Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1 | /* |
Somnath Kotur | 7dfbe7d | 2016-06-22 08:54:56 -0400 | [diff] [blame] | 2 | * Copyright (C) 2005 - 2016 Broadcom |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3 | * All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License version 2 |
| 7 | * as published by the Free Software Foundation. The full GNU General |
| 8 | * Public License is included in this distribution in the file called COPYING. |
| 9 | * |
| 10 | * Contact Information: |
Ajit Khaparde | d2145cd | 2011-03-16 08:20:46 +0000 | [diff] [blame] | 11 | * linux-drivers@emulex.com |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 12 | * |
Ajit Khaparde | d2145cd | 2011-03-16 08:20:46 +0000 | [diff] [blame] | 13 | * Emulex |
| 14 | * 3333 Susan Street |
| 15 | * Costa Mesa, CA 92626 |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 16 | */ |
| 17 | |
Paul Gortmaker | 70c7160 | 2011-05-22 16:47:17 -0400 | [diff] [blame] | 18 | #include <linux/prefetch.h> |
Paul Gortmaker | 9d9779e | 2011-07-03 15:21:01 -0400 | [diff] [blame] | 19 | #include <linux/module.h> |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 20 | #include "be.h" |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 21 | #include "be_cmds.h" |
Stephen Hemminger | 65f71b8 | 2009-03-27 00:25:24 -0700 | [diff] [blame] | 22 | #include <asm/div64.h> |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 23 | #include <linux/aer.h> |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 24 | #include <linux/if_bridge.h> |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 25 | #include <net/busy_poll.h> |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 26 | #include <net/vxlan.h> |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 27 | |
| 28 | MODULE_VERSION(DRV_VER); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 29 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); |
Sarveshwar Bandi | 00d3d51 | 2013-01-28 04:17:01 +0000 | [diff] [blame] | 30 | MODULE_AUTHOR("Emulex Corporation"); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 31 | MODULE_LICENSE("GPL"); |
| 32 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 33 | /* num_vfs module param is obsolete. |
| 34 | * Use sysfs method to enable/disable VFs. |
| 35 | */ |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 36 | static unsigned int num_vfs; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 37 | module_param(num_vfs, uint, S_IRUGO); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 38 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 39 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 40 | static ushort rx_frag_size = 2048; |
| 41 | module_param(rx_frag_size, ushort, S_IRUGO); |
| 42 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
| 43 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 44 | /* Per-module error detection/recovery workq shared across all functions. |
| 45 | * Each function schedules its own work request on this shared workq. |
| 46 | */ |
Wei Yongjun | e6053dd | 2016-09-25 15:40:36 +0000 | [diff] [blame] | 47 | static struct workqueue_struct *be_err_recovery_workq; |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 48 | |
Benoit Taine | 9baa3c3 | 2014-08-08 15:56:03 +0200 | [diff] [blame] | 49 | static const struct pci_device_id be_dev_ids[] = { |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 50 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
Ajit Khaparde | 59fd5d8 | 2009-10-29 01:11:06 -0700 | [diff] [blame] | 51 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 52 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
| 53 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 54 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
Mammatha Edhala | 12f4d0a | 2011-05-18 03:26:22 +0000 | [diff] [blame] | 55 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, |
Ajit Khaparde | ecedb6a | 2011-12-15 06:31:38 +0000 | [diff] [blame] | 56 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID5)}, |
Padmanabh Ratnakar | 76b7353 | 2012-10-20 06:04:40 +0000 | [diff] [blame] | 57 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID6)}, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 58 | { 0 } |
| 59 | }; |
| 60 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 61 | |
| 62 | /* Workqueue used by all functions for defering cmd calls to the adapter */ |
Wei Yongjun | e6053dd | 2016-09-25 15:40:36 +0000 | [diff] [blame] | 63 | static struct workqueue_struct *be_wq; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 64 | |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 65 | /* UE Status Low CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 66 | static const char * const ue_status_low_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 67 | "CEV", |
| 68 | "CTX", |
| 69 | "DBUF", |
| 70 | "ERX", |
| 71 | "Host", |
| 72 | "MPU", |
| 73 | "NDMA", |
| 74 | "PTC ", |
| 75 | "RDMA ", |
| 76 | "RXF ", |
| 77 | "RXIPS ", |
| 78 | "RXULP0 ", |
| 79 | "RXULP1 ", |
| 80 | "RXULP2 ", |
| 81 | "TIM ", |
| 82 | "TPOST ", |
| 83 | "TPRE ", |
| 84 | "TXIPS ", |
| 85 | "TXULP0 ", |
| 86 | "TXULP1 ", |
| 87 | "UC ", |
| 88 | "WDMA ", |
| 89 | "TXULP2 ", |
| 90 | "HOST1 ", |
| 91 | "P0_OB_LINK ", |
| 92 | "P1_OB_LINK ", |
| 93 | "HOST_GPIO ", |
| 94 | "MBOX ", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 95 | "ERX2 ", |
| 96 | "SPARE ", |
| 97 | "JTAG ", |
| 98 | "MPU_INTPEND " |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 99 | }; |
Kalesh AP | e2fb1af | 2014-09-19 15:46:58 +0530 | [diff] [blame] | 100 | |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 101 | /* UE Status High CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 102 | static const char * const ue_status_hi_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 103 | "LPCMEMHOST", |
| 104 | "MGMT_MAC", |
| 105 | "PCS0ONLINE", |
| 106 | "MPU_IRAM", |
| 107 | "PCS1ONLINE", |
| 108 | "PCTL0", |
| 109 | "PCTL1", |
| 110 | "PMEM", |
| 111 | "RR", |
| 112 | "TXPB", |
| 113 | "RXPP", |
| 114 | "XAUI", |
| 115 | "TXP", |
| 116 | "ARM", |
| 117 | "IPC", |
| 118 | "HOST2", |
| 119 | "HOST3", |
| 120 | "HOST4", |
| 121 | "HOST5", |
| 122 | "HOST6", |
| 123 | "HOST7", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 124 | "ECRC", |
| 125 | "Poison TLP", |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 126 | "NETC", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 127 | "PERIPH", |
| 128 | "LLTXULP", |
| 129 | "D2P", |
| 130 | "RCON", |
| 131 | "LDMA", |
| 132 | "LLTXP", |
| 133 | "LLTXPB", |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 134 | "Unknown" |
| 135 | }; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 136 | |
Venkat Duvvuru | c1bb0a5 | 2016-03-02 06:00:28 -0500 | [diff] [blame] | 137 | #define BE_VF_IF_EN_FLAGS (BE_IF_FLAGS_UNTAGGED | \ |
| 138 | BE_IF_FLAGS_BROADCAST | \ |
| 139 | BE_IF_FLAGS_MULTICAST | \ |
| 140 | BE_IF_FLAGS_PASS_L3L4_ERRORS) |
| 141 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 142 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
| 143 | { |
| 144 | struct be_dma_mem *mem = &q->dma_mem; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 145 | |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 146 | if (mem->va) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 147 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 148 | mem->dma); |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 149 | mem->va = NULL; |
| 150 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 154 | u16 len, u16 entry_size) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 155 | { |
| 156 | struct be_dma_mem *mem = &q->dma_mem; |
| 157 | |
| 158 | memset(q, 0, sizeof(*q)); |
| 159 | q->len = len; |
| 160 | q->entry_size = entry_size; |
| 161 | mem->size = len * entry_size; |
Joe Perches | ede23fa | 2013-08-26 22:45:23 -0700 | [diff] [blame] | 162 | mem->va = dma_zalloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
| 163 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 164 | if (!mem->va) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 165 | return -ENOMEM; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 166 | return 0; |
| 167 | } |
| 168 | |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 169 | static void be_reg_intr_set(struct be_adapter *adapter, bool enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 170 | { |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 171 | u32 reg, enabled; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 172 | |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 173 | pci_read_config_dword(adapter->pdev, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 174 | ®); |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 175 | enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
| 176 | |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 177 | if (!enabled && enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 178 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 179 | else if (enabled && !enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 180 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 181 | else |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 182 | return; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 183 | |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 184 | pci_write_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 185 | PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, reg); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 186 | } |
| 187 | |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 188 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
| 189 | { |
| 190 | int status = 0; |
| 191 | |
| 192 | /* On lancer interrupts can't be controlled via this register */ |
| 193 | if (lancer_chip(adapter)) |
| 194 | return; |
| 195 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 196 | if (be_check_error(adapter, BE_ERROR_EEH)) |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 197 | return; |
| 198 | |
| 199 | status = be_cmd_intr_set(adapter, enable); |
| 200 | if (status) |
| 201 | be_reg_intr_set(adapter, enable); |
| 202 | } |
| 203 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 204 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 205 | { |
| 206 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 207 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 208 | if (be_check_error(adapter, BE_ERROR_HW)) |
| 209 | return; |
| 210 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 211 | val |= qid & DB_RQ_RING_ID_MASK; |
| 212 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 213 | |
| 214 | wmb(); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 215 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 216 | } |
| 217 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 218 | static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 219 | u16 posted) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 220 | { |
| 221 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 222 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 223 | if (be_check_error(adapter, BE_ERROR_HW)) |
| 224 | return; |
| 225 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 226 | val |= txo->q.id & DB_TXULP_RING_ID_MASK; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 227 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 228 | |
| 229 | wmb(); |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 230 | iowrite32(val, adapter->db + txo->db_offset); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 231 | } |
| 232 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 233 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 234 | bool arm, bool clear_int, u16 num_popped, |
| 235 | u32 eq_delay_mult_enc) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 236 | { |
| 237 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 238 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 239 | val |= qid & DB_EQ_RING_ID_MASK; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 240 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << DB_EQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 241 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 242 | if (be_check_error(adapter, BE_ERROR_HW)) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 243 | return; |
| 244 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 245 | if (arm) |
| 246 | val |= 1 << DB_EQ_REARM_SHIFT; |
| 247 | if (clear_int) |
| 248 | val |= 1 << DB_EQ_CLR_SHIFT; |
| 249 | val |= 1 << DB_EQ_EVNT_SHIFT; |
| 250 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 251 | val |= eq_delay_mult_enc << DB_EQ_R2I_DLY_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 252 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 253 | } |
| 254 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 255 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 256 | { |
| 257 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 258 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 259 | val |= qid & DB_CQ_RING_ID_MASK; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 260 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
| 261 | DB_CQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 262 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 263 | if (be_check_error(adapter, BE_ERROR_HW)) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 264 | return; |
| 265 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 266 | if (arm) |
| 267 | val |= 1 << DB_CQ_REARM_SHIFT; |
| 268 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 269 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 270 | } |
| 271 | |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 272 | static int be_dev_mac_add(struct be_adapter *adapter, u8 *mac) |
| 273 | { |
| 274 | int i; |
| 275 | |
| 276 | /* Check if mac has already been added as part of uc-list */ |
| 277 | for (i = 0; i < adapter->uc_macs; i++) { |
Ivan Vecera | b4c3022 | 2017-01-06 20:30:02 +0100 | [diff] [blame] | 278 | if (ether_addr_equal(adapter->uc_list[i].mac, mac)) { |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 279 | /* mac already added, skip addition */ |
| 280 | adapter->pmac_id[0] = adapter->pmac_id[i + 1]; |
| 281 | return 0; |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | return be_cmd_pmac_add(adapter, mac, adapter->if_handle, |
| 286 | &adapter->pmac_id[0], 0); |
| 287 | } |
| 288 | |
| 289 | static void be_dev_mac_del(struct be_adapter *adapter, int pmac_id) |
| 290 | { |
| 291 | int i; |
| 292 | |
| 293 | /* Skip deletion if the programmed mac is |
| 294 | * being used in uc-list |
| 295 | */ |
| 296 | for (i = 0; i < adapter->uc_macs; i++) { |
| 297 | if (adapter->pmac_id[i + 1] == pmac_id) |
| 298 | return; |
| 299 | } |
| 300 | be_cmd_pmac_del(adapter, adapter->if_handle, pmac_id, 0); |
| 301 | } |
| 302 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 303 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
| 304 | { |
| 305 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 306 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 307 | struct sockaddr *addr = p; |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 308 | int status; |
| 309 | u8 mac[ETH_ALEN]; |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 310 | u32 old_pmac_id = adapter->pmac_id[0]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 311 | |
Ajit Khaparde | ca9e498 | 2009-11-29 17:56:26 +0000 | [diff] [blame] | 312 | if (!is_valid_ether_addr(addr->sa_data)) |
| 313 | return -EADDRNOTAVAIL; |
| 314 | |
Vasundhara Volam | ff32f8a | 2014-01-15 13:23:35 +0530 | [diff] [blame] | 315 | /* Proceed further only if, User provided MAC is different |
| 316 | * from active MAC |
| 317 | */ |
Suresh Reddy | c27ebf5 | 2016-09-07 19:57:53 +0530 | [diff] [blame] | 318 | if (ether_addr_equal(addr->sa_data, adapter->dev_mac)) |
Vasundhara Volam | ff32f8a | 2014-01-15 13:23:35 +0530 | [diff] [blame] | 319 | return 0; |
| 320 | |
Ivan Vecera | cc43996 | 2017-01-13 22:38:29 +0100 | [diff] [blame] | 321 | /* BE3 VFs without FILTMGMT privilege are not allowed to set its MAC |
| 322 | * address |
| 323 | */ |
| 324 | if (BEx_chip(adapter) && be_virtfn(adapter) && |
| 325 | !check_privilege(adapter, BE_PRIV_FILTMGMT)) |
| 326 | return -EPERM; |
| 327 | |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 328 | /* if device is not running, copy MAC to netdev->dev_addr */ |
| 329 | if (!netif_running(netdev)) |
| 330 | goto done; |
| 331 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 332 | /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT |
| 333 | * privilege or if PF did not provision the new MAC address. |
| 334 | * On BE3, this cmd will always fail if the VF doesn't have the |
| 335 | * FILTMGMT privilege. This failure is OK, only if the PF programmed |
| 336 | * the MAC for the VF. |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 337 | */ |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 338 | mutex_lock(&adapter->rx_filter_lock); |
| 339 | status = be_dev_mac_add(adapter, (u8 *)addr->sa_data); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 340 | if (!status) { |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 341 | |
| 342 | /* Delete the old programmed MAC. This call may fail if the |
| 343 | * old MAC was already deleted by the PF driver. |
| 344 | */ |
| 345 | if (adapter->pmac_id[0] != old_pmac_id) |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 346 | be_dev_mac_del(adapter, old_pmac_id); |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 347 | } |
| 348 | |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 349 | mutex_unlock(&adapter->rx_filter_lock); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 350 | /* Decide if the new MAC is successfully activated only after |
| 351 | * querying the FW |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 352 | */ |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 353 | status = be_cmd_get_active_mac(adapter, adapter->pmac_id[0], mac, |
Suresh Reddy | b188f09 | 2014-01-15 13:23:39 +0530 | [diff] [blame] | 354 | adapter->if_handle, true, 0); |
Sathya Perla | a65027e | 2009-08-17 00:58:04 +0000 | [diff] [blame] | 355 | if (status) |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 356 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 357 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 358 | /* The MAC change did not happen, either due to lack of privilege |
| 359 | * or PF didn't pre-provision. |
| 360 | */ |
dingtianhong | 61d23e9 | 2013-12-30 15:40:43 +0800 | [diff] [blame] | 361 | if (!ether_addr_equal(addr->sa_data, mac)) { |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 362 | status = -EPERM; |
| 363 | goto err; |
| 364 | } |
Ivan Vecera | 6129fd9 | 2017-01-31 20:01:31 +0100 | [diff] [blame] | 365 | |
| 366 | /* Remember currently programmed MAC */ |
Suresh Reddy | c27ebf5 | 2016-09-07 19:57:53 +0530 | [diff] [blame] | 367 | ether_addr_copy(adapter->dev_mac, addr->sa_data); |
Ivan Vecera | 6129fd9 | 2017-01-31 20:01:31 +0100 | [diff] [blame] | 368 | done: |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 369 | ether_addr_copy(netdev->dev_addr, addr->sa_data); |
| 370 | dev_info(dev, "MAC address changed to %pM\n", addr->sa_data); |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 371 | return 0; |
| 372 | err: |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 373 | dev_warn(dev, "MAC address change to %pM failed\n", addr->sa_data); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 374 | return status; |
| 375 | } |
| 376 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 377 | /* BE2 supports only v0 cmd */ |
| 378 | static void *hw_stats_from_cmd(struct be_adapter *adapter) |
| 379 | { |
| 380 | if (BE2_chip(adapter)) { |
| 381 | struct be_cmd_resp_get_stats_v0 *cmd = adapter->stats_cmd.va; |
| 382 | |
| 383 | return &cmd->hw_stats; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 384 | } else if (BE3_chip(adapter)) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 385 | struct be_cmd_resp_get_stats_v1 *cmd = adapter->stats_cmd.va; |
| 386 | |
| 387 | return &cmd->hw_stats; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 388 | } else { |
| 389 | struct be_cmd_resp_get_stats_v2 *cmd = adapter->stats_cmd.va; |
| 390 | |
| 391 | return &cmd->hw_stats; |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 392 | } |
| 393 | } |
| 394 | |
| 395 | /* BE2 supports only v0 cmd */ |
| 396 | static void *be_erx_stats_from_cmd(struct be_adapter *adapter) |
| 397 | { |
| 398 | if (BE2_chip(adapter)) { |
| 399 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 400 | |
| 401 | return &hw_stats->erx; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 402 | } else if (BE3_chip(adapter)) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 403 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 404 | |
| 405 | return &hw_stats->erx; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 406 | } else { |
| 407 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); |
| 408 | |
| 409 | return &hw_stats->erx; |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 410 | } |
| 411 | } |
| 412 | |
| 413 | static void populate_be_v0_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 414 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 415 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 416 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 417 | struct be_rxf_stats_v0 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 418 | struct be_port_rxf_stats_v0 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 419 | &rxf_stats->port[adapter->port_num]; |
| 420 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 421 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 422 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 423 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 424 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 425 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 426 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 427 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 428 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 429 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 430 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 431 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 432 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; |
| 433 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 434 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 435 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 436 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 437 | drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 438 | drvs->rx_dropped_header_too_small = |
| 439 | port_stats->rx_dropped_header_too_small; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 440 | drvs->rx_address_filtered = |
| 441 | port_stats->rx_address_filtered + |
| 442 | port_stats->rx_vlan_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 443 | drvs->rx_alignment_symbol_errors = |
| 444 | port_stats->rx_alignment_symbol_errors; |
| 445 | |
| 446 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 447 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 448 | |
| 449 | if (adapter->port_num) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 450 | drvs->jabber_events = rxf_stats->port1_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 451 | else |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 452 | drvs->jabber_events = rxf_stats->port0_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 453 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 454 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 455 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 456 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 457 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 458 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 459 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 460 | } |
| 461 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 462 | static void populate_be_v1_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 463 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 464 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 465 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 466 | struct be_rxf_stats_v1 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 467 | struct be_port_rxf_stats_v1 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 468 | &rxf_stats->port[adapter->port_num]; |
| 469 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 470 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 471 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 02fe702 | 2011-12-09 13:53:09 +0000 | [diff] [blame] | 472 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 473 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 474 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 475 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 476 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 477 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 478 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 479 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 480 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 481 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 482 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 483 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 484 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 485 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 486 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 487 | drvs->rx_dropped_header_too_small = |
| 488 | port_stats->rx_dropped_header_too_small; |
| 489 | drvs->rx_input_fifo_overflow_drop = |
| 490 | port_stats->rx_input_fifo_overflow_drop; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 491 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 492 | drvs->rx_alignment_symbol_errors = |
| 493 | port_stats->rx_alignment_symbol_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 494 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 495 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 496 | drvs->tx_controlframes = port_stats->tx_controlframes; |
Ajit Khaparde | b5adffc4 | 2013-05-01 09:38:00 +0000 | [diff] [blame] | 497 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 498 | drvs->jabber_events = port_stats->jabber_events; |
| 499 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 500 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 501 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 502 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 503 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 504 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 505 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 506 | } |
| 507 | |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 508 | static void populate_be_v2_stats(struct be_adapter *adapter) |
| 509 | { |
| 510 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); |
| 511 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 512 | struct be_rxf_stats_v2 *rxf_stats = &hw_stats->rxf; |
| 513 | struct be_port_rxf_stats_v2 *port_stats = |
| 514 | &rxf_stats->port[adapter->port_num]; |
| 515 | struct be_drv_stats *drvs = &adapter->drv_stats; |
| 516 | |
| 517 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
| 518 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 519 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
| 520 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 521 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 522 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 523 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 524 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 525 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 526 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 527 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 528 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 529 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 530 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 531 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 532 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 533 | drvs->rx_dropped_header_too_small = |
| 534 | port_stats->rx_dropped_header_too_small; |
| 535 | drvs->rx_input_fifo_overflow_drop = |
| 536 | port_stats->rx_input_fifo_overflow_drop; |
| 537 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
| 538 | drvs->rx_alignment_symbol_errors = |
| 539 | port_stats->rx_alignment_symbol_errors; |
| 540 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
| 541 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 542 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 543 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
| 544 | drvs->jabber_events = port_stats->jabber_events; |
| 545 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
| 546 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
| 547 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 548 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
| 549 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 550 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; |
| 551 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 552 | if (be_roce_supported(adapter)) { |
Ajit Khaparde | 461ae37 | 2013-10-03 16:16:50 -0500 | [diff] [blame] | 553 | drvs->rx_roce_bytes_lsd = port_stats->roce_bytes_received_lsd; |
| 554 | drvs->rx_roce_bytes_msd = port_stats->roce_bytes_received_msd; |
| 555 | drvs->rx_roce_frames = port_stats->roce_frames_received; |
| 556 | drvs->roce_drops_crc = port_stats->roce_drops_crc; |
| 557 | drvs->roce_drops_payload_len = |
| 558 | port_stats->roce_drops_payload_len; |
| 559 | } |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 560 | } |
| 561 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 562 | static void populate_lancer_stats(struct be_adapter *adapter) |
| 563 | { |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 564 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 565 | struct lancer_pport_stats *pport_stats = pport_stats_from_cmd(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 566 | |
| 567 | be_dws_le_to_cpu(pport_stats, sizeof(*pport_stats)); |
| 568 | drvs->rx_pause_frames = pport_stats->rx_pause_frames_lo; |
| 569 | drvs->rx_crc_errors = pport_stats->rx_crc_errors_lo; |
| 570 | drvs->rx_control_frames = pport_stats->rx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 571 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 572 | drvs->rx_frame_too_long = pport_stats->rx_frames_too_long_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 573 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; |
| 574 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; |
| 575 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; |
| 576 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; |
| 577 | drvs->rx_dropped_tcp_length = |
| 578 | pport_stats->rx_dropped_invalid_tcp_length; |
| 579 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; |
| 580 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; |
| 581 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; |
| 582 | drvs->rx_dropped_header_too_small = |
| 583 | pport_stats->rx_dropped_header_too_small; |
| 584 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 585 | drvs->rx_address_filtered = |
| 586 | pport_stats->rx_address_filtered + |
| 587 | pport_stats->rx_vlan_filtered; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 588 | drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 589 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 590 | drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; |
| 591 | drvs->tx_controlframes = pport_stats->tx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 592 | drvs->jabber_events = pport_stats->rx_jabbers; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 593 | drvs->forwarded_packets = pport_stats->num_forwards_lo; |
| 594 | drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 595 | drvs->rx_drops_too_many_frags = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 596 | pport_stats->rx_drops_too_many_frags_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 597 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 598 | |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 599 | static void accumulate_16bit_val(u32 *acc, u16 val) |
| 600 | { |
| 601 | #define lo(x) (x & 0xFFFF) |
| 602 | #define hi(x) (x & 0xFFFF0000) |
| 603 | bool wrapped = val < lo(*acc); |
| 604 | u32 newacc = hi(*acc) + val; |
| 605 | |
| 606 | if (wrapped) |
| 607 | newacc += 65536; |
| 608 | ACCESS_ONCE(*acc) = newacc; |
| 609 | } |
| 610 | |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 611 | static void populate_erx_stats(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 612 | struct be_rx_obj *rxo, u32 erx_stat) |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 613 | { |
| 614 | if (!BEx_chip(adapter)) |
| 615 | rx_stats(rxo)->rx_drops_no_frags = erx_stat; |
| 616 | else |
| 617 | /* below erx HW counter can actually wrap around after |
| 618 | * 65535. Driver accumulates a 32-bit value |
| 619 | */ |
| 620 | accumulate_16bit_val(&rx_stats(rxo)->rx_drops_no_frags, |
| 621 | (u16)erx_stat); |
| 622 | } |
| 623 | |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 624 | void be_parse_stats(struct be_adapter *adapter) |
| 625 | { |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 626 | struct be_erx_stats_v2 *erx = be_erx_stats_from_cmd(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 627 | struct be_rx_obj *rxo; |
| 628 | int i; |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 629 | u32 erx_stat; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 630 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 631 | if (lancer_chip(adapter)) { |
| 632 | populate_lancer_stats(adapter); |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 633 | } else { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 634 | if (BE2_chip(adapter)) |
| 635 | populate_be_v0_stats(adapter); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 636 | else if (BE3_chip(adapter)) |
| 637 | /* for BE3 */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 638 | populate_be_v1_stats(adapter); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 639 | else |
| 640 | populate_be_v2_stats(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 641 | |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 642 | /* erx_v2 is longer than v0, v1. use v2 for v0, v1 access */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 643 | for_all_rx_queues(adapter, rxo, i) { |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 644 | erx_stat = erx->rx_drops_no_fragments[rxo->q.id]; |
| 645 | populate_erx_stats(adapter, rxo, erx_stat); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 646 | } |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 647 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 648 | } |
| 649 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 650 | static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 651 | struct rtnl_link_stats64 *stats) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 652 | { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 653 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 654 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 655 | struct be_rx_obj *rxo; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 656 | struct be_tx_obj *txo; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 657 | u64 pkts, bytes; |
| 658 | unsigned int start; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 659 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 660 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 661 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 662 | const struct be_rx_stats *rx_stats = rx_stats(rxo); |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 663 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 664 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 665 | start = u64_stats_fetch_begin_irq(&rx_stats->sync); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 666 | pkts = rx_stats(rxo)->rx_pkts; |
| 667 | bytes = rx_stats(rxo)->rx_bytes; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 668 | } while (u64_stats_fetch_retry_irq(&rx_stats->sync, start)); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 669 | stats->rx_packets += pkts; |
| 670 | stats->rx_bytes += bytes; |
| 671 | stats->multicast += rx_stats(rxo)->rx_mcast_pkts; |
| 672 | stats->rx_dropped += rx_stats(rxo)->rx_drops_no_skbs + |
| 673 | rx_stats(rxo)->rx_drops_no_frags; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 674 | } |
| 675 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 676 | for_all_tx_queues(adapter, txo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 677 | const struct be_tx_stats *tx_stats = tx_stats(txo); |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 678 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 679 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 680 | start = u64_stats_fetch_begin_irq(&tx_stats->sync); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 681 | pkts = tx_stats(txo)->tx_pkts; |
| 682 | bytes = tx_stats(txo)->tx_bytes; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 683 | } while (u64_stats_fetch_retry_irq(&tx_stats->sync, start)); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 684 | stats->tx_packets += pkts; |
| 685 | stats->tx_bytes += bytes; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 686 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 687 | |
| 688 | /* bad pkts received */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 689 | stats->rx_errors = drvs->rx_crc_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 690 | drvs->rx_alignment_symbol_errors + |
| 691 | drvs->rx_in_range_errors + |
| 692 | drvs->rx_out_range_errors + |
| 693 | drvs->rx_frame_too_long + |
| 694 | drvs->rx_dropped_too_small + |
| 695 | drvs->rx_dropped_too_short + |
| 696 | drvs->rx_dropped_header_too_small + |
| 697 | drvs->rx_dropped_tcp_length + |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 698 | drvs->rx_dropped_runt; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 699 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 700 | /* detailed rx errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 701 | stats->rx_length_errors = drvs->rx_in_range_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 702 | drvs->rx_out_range_errors + |
| 703 | drvs->rx_frame_too_long; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 704 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 705 | stats->rx_crc_errors = drvs->rx_crc_errors; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 706 | |
| 707 | /* frame alignment errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 708 | stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 709 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 710 | /* receiver fifo overrun */ |
| 711 | /* drops_no_pbuf is no per i/f, it's per BE card */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 712 | stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 713 | drvs->rx_input_fifo_overflow_drop + |
| 714 | drvs->rx_drops_no_pbuf; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 715 | return stats; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 716 | } |
| 717 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 718 | void be_link_status_update(struct be_adapter *adapter, u8 link_status) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 719 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 720 | struct net_device *netdev = adapter->netdev; |
| 721 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 722 | if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { |
Sathya Perla | ea172a0 | 2011-08-02 19:57:42 +0000 | [diff] [blame] | 723 | netif_carrier_off(netdev); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 724 | adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 725 | } |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 726 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 727 | if (link_status) |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 728 | netif_carrier_on(netdev); |
| 729 | else |
| 730 | netif_carrier_off(netdev); |
Ivan Vecera | 1882489 | 2015-04-30 11:59:49 +0200 | [diff] [blame] | 731 | |
| 732 | netdev_info(netdev, "Link is %s\n", link_status ? "Up" : "Down"); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 733 | } |
| 734 | |
Sriharsha Basavapatna | f3d6ad8 | 2016-10-09 09:58:52 +0530 | [diff] [blame] | 735 | static int be_gso_hdr_len(struct sk_buff *skb) |
| 736 | { |
| 737 | if (skb->encapsulation) |
| 738 | return skb_inner_transport_offset(skb) + |
| 739 | inner_tcp_hdrlen(skb); |
| 740 | return skb_transport_offset(skb) + tcp_hdrlen(skb); |
| 741 | } |
| 742 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 743 | static void be_tx_stats_update(struct be_tx_obj *txo, struct sk_buff *skb) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 744 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 745 | struct be_tx_stats *stats = tx_stats(txo); |
Sriharsha Basavapatna | f3d6ad8 | 2016-10-09 09:58:52 +0530 | [diff] [blame] | 746 | u32 tx_pkts = skb_shinfo(skb)->gso_segs ? : 1; |
| 747 | /* Account for headers which get duplicated in TSO pkt */ |
| 748 | u32 dup_hdr_len = tx_pkts > 1 ? be_gso_hdr_len(skb) * (tx_pkts - 1) : 0; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 749 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 750 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 751 | stats->tx_reqs++; |
Sriharsha Basavapatna | f3d6ad8 | 2016-10-09 09:58:52 +0530 | [diff] [blame] | 752 | stats->tx_bytes += skb->len + dup_hdr_len; |
Sriharsha Basavapatna | 8670f2a | 2015-07-29 19:35:32 +0530 | [diff] [blame] | 753 | stats->tx_pkts += tx_pkts; |
| 754 | if (skb->encapsulation && skb->ip_summed == CHECKSUM_PARTIAL) |
| 755 | stats->tx_vxlan_offload_pkts += tx_pkts; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 756 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 757 | } |
| 758 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 759 | /* Returns number of WRBs needed for the skb */ |
| 760 | static u32 skb_wrb_cnt(struct sk_buff *skb) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 761 | { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 762 | /* +1 for the header wrb */ |
| 763 | return 1 + (skb_headlen(skb) ? 1 : 0) + skb_shinfo(skb)->nr_frags; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 764 | } |
| 765 | |
| 766 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) |
| 767 | { |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 768 | wrb->frag_pa_hi = cpu_to_le32(upper_32_bits(addr)); |
| 769 | wrb->frag_pa_lo = cpu_to_le32(lower_32_bits(addr)); |
| 770 | wrb->frag_len = cpu_to_le32(len & ETH_WRB_FRAG_LEN_MASK); |
| 771 | wrb->rsvd0 = 0; |
| 772 | } |
| 773 | |
| 774 | /* A dummy wrb is just all zeros. Using a separate routine for dummy-wrb |
| 775 | * to avoid the swap and shift/mask operations in wrb_fill(). |
| 776 | */ |
| 777 | static inline void wrb_fill_dummy(struct be_eth_wrb *wrb) |
| 778 | { |
| 779 | wrb->frag_pa_hi = 0; |
| 780 | wrb->frag_pa_lo = 0; |
| 781 | wrb->frag_len = 0; |
Somnath Kotur | 89b1f49 | 2012-06-24 19:40:55 +0000 | [diff] [blame] | 782 | wrb->rsvd0 = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 783 | } |
| 784 | |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 785 | static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 786 | struct sk_buff *skb) |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 787 | { |
| 788 | u8 vlan_prio; |
| 789 | u16 vlan_tag; |
| 790 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 791 | vlan_tag = skb_vlan_tag_get(skb); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 792 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; |
| 793 | /* If vlan priority provided by OS is NOT in available bmap */ |
| 794 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) |
| 795 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | |
Sathya Perla | fdf81bf | 2015-12-30 01:29:01 -0500 | [diff] [blame] | 796 | adapter->recommended_prio_bits; |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 797 | |
| 798 | return vlan_tag; |
| 799 | } |
| 800 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 801 | /* Used only for IP tunnel packets */ |
| 802 | static u16 skb_inner_ip_proto(struct sk_buff *skb) |
| 803 | { |
| 804 | return (inner_ip_hdr(skb)->version == 4) ? |
| 805 | inner_ip_hdr(skb)->protocol : inner_ipv6_hdr(skb)->nexthdr; |
| 806 | } |
| 807 | |
| 808 | static u16 skb_ip_proto(struct sk_buff *skb) |
| 809 | { |
| 810 | return (ip_hdr(skb)->version == 4) ? |
| 811 | ip_hdr(skb)->protocol : ipv6_hdr(skb)->nexthdr; |
| 812 | } |
| 813 | |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 814 | static inline bool be_is_txq_full(struct be_tx_obj *txo) |
| 815 | { |
| 816 | return atomic_read(&txo->q.used) + BE_MAX_TX_FRAG_COUNT >= txo->q.len; |
| 817 | } |
| 818 | |
| 819 | static inline bool be_can_txq_wake(struct be_tx_obj *txo) |
| 820 | { |
| 821 | return atomic_read(&txo->q.used) < txo->q.len / 2; |
| 822 | } |
| 823 | |
| 824 | static inline bool be_is_tx_compl_pending(struct be_tx_obj *txo) |
| 825 | { |
| 826 | return atomic_read(&txo->q.used) > txo->pend_wrb_cnt; |
| 827 | } |
| 828 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 829 | static void be_get_wrb_params_from_skb(struct be_adapter *adapter, |
| 830 | struct sk_buff *skb, |
| 831 | struct be_wrb_params *wrb_params) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 832 | { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 833 | u16 proto; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 834 | |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 835 | if (skb_is_gso(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 836 | BE_WRB_F_SET(wrb_params->features, LSO, 1); |
| 837 | wrb_params->lso_mss = skb_shinfo(skb)->gso_size; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 838 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 839 | BE_WRB_F_SET(wrb_params->features, LSO6, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 840 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 841 | if (skb->encapsulation) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 842 | BE_WRB_F_SET(wrb_params->features, IPCS, 1); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 843 | proto = skb_inner_ip_proto(skb); |
| 844 | } else { |
| 845 | proto = skb_ip_proto(skb); |
| 846 | } |
| 847 | if (proto == IPPROTO_TCP) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 848 | BE_WRB_F_SET(wrb_params->features, TCPCS, 1); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 849 | else if (proto == IPPROTO_UDP) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 850 | BE_WRB_F_SET(wrb_params->features, UDPCS, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 851 | } |
| 852 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 853 | if (skb_vlan_tag_present(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 854 | BE_WRB_F_SET(wrb_params->features, VLAN, 1); |
| 855 | wrb_params->vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 856 | } |
| 857 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 858 | BE_WRB_F_SET(wrb_params->features, CRC, 1); |
| 859 | } |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 860 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 861 | static void wrb_fill_hdr(struct be_adapter *adapter, |
| 862 | struct be_eth_hdr_wrb *hdr, |
| 863 | struct be_wrb_params *wrb_params, |
| 864 | struct sk_buff *skb) |
| 865 | { |
| 866 | memset(hdr, 0, sizeof(*hdr)); |
| 867 | |
| 868 | SET_TX_WRB_HDR_BITS(crc, hdr, |
| 869 | BE_WRB_F_GET(wrb_params->features, CRC)); |
| 870 | SET_TX_WRB_HDR_BITS(ipcs, hdr, |
| 871 | BE_WRB_F_GET(wrb_params->features, IPCS)); |
| 872 | SET_TX_WRB_HDR_BITS(tcpcs, hdr, |
| 873 | BE_WRB_F_GET(wrb_params->features, TCPCS)); |
| 874 | SET_TX_WRB_HDR_BITS(udpcs, hdr, |
| 875 | BE_WRB_F_GET(wrb_params->features, UDPCS)); |
| 876 | |
| 877 | SET_TX_WRB_HDR_BITS(lso, hdr, |
| 878 | BE_WRB_F_GET(wrb_params->features, LSO)); |
| 879 | SET_TX_WRB_HDR_BITS(lso6, hdr, |
| 880 | BE_WRB_F_GET(wrb_params->features, LSO6)); |
| 881 | SET_TX_WRB_HDR_BITS(lso_mss, hdr, wrb_params->lso_mss); |
| 882 | |
| 883 | /* Hack to skip HW VLAN tagging needs evt = 1, compl = 0. When this |
| 884 | * hack is not needed, the evt bit is set while ringing DB. |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 885 | */ |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 886 | SET_TX_WRB_HDR_BITS(event, hdr, |
| 887 | BE_WRB_F_GET(wrb_params->features, VLAN_SKIP_HW)); |
| 888 | SET_TX_WRB_HDR_BITS(vlan, hdr, |
| 889 | BE_WRB_F_GET(wrb_params->features, VLAN)); |
| 890 | SET_TX_WRB_HDR_BITS(vlan_tag, hdr, wrb_params->vlan_tag); |
| 891 | |
| 892 | SET_TX_WRB_HDR_BITS(num_wrb, hdr, skb_wrb_cnt(skb)); |
| 893 | SET_TX_WRB_HDR_BITS(len, hdr, skb->len); |
Venkata Duvvuru | 760c295 | 2015-05-13 13:00:14 +0530 | [diff] [blame] | 894 | SET_TX_WRB_HDR_BITS(mgmt, hdr, |
| 895 | BE_WRB_F_GET(wrb_params->features, OS2BMC)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 896 | } |
| 897 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 898 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 899 | bool unmap_single) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 900 | { |
| 901 | dma_addr_t dma; |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 902 | u32 frag_len = le32_to_cpu(wrb->frag_len); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 903 | |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 904 | |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 905 | dma = (u64)le32_to_cpu(wrb->frag_pa_hi) << 32 | |
| 906 | (u64)le32_to_cpu(wrb->frag_pa_lo); |
| 907 | if (frag_len) { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 908 | if (unmap_single) |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 909 | dma_unmap_single(dev, dma, frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 910 | else |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 911 | dma_unmap_page(dev, dma, frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 912 | } |
| 913 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 914 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 915 | /* Grab a WRB header for xmit */ |
ajit.khaparde@broadcom.com | b0fd2eb | 2016-02-23 00:33:48 +0530 | [diff] [blame] | 916 | static u32 be_tx_get_wrb_hdr(struct be_tx_obj *txo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 917 | { |
ajit.khaparde@broadcom.com | b0fd2eb | 2016-02-23 00:33:48 +0530 | [diff] [blame] | 918 | u32 head = txo->q.head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 919 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 920 | queue_head_inc(&txo->q); |
| 921 | return head; |
| 922 | } |
| 923 | |
| 924 | /* Set up the WRB header for xmit */ |
| 925 | static void be_tx_setup_wrb_hdr(struct be_adapter *adapter, |
| 926 | struct be_tx_obj *txo, |
| 927 | struct be_wrb_params *wrb_params, |
| 928 | struct sk_buff *skb, u16 head) |
| 929 | { |
| 930 | u32 num_frags = skb_wrb_cnt(skb); |
| 931 | struct be_queue_info *txq = &txo->q; |
| 932 | struct be_eth_hdr_wrb *hdr = queue_index_node(txq, head); |
| 933 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 934 | wrb_fill_hdr(adapter, hdr, wrb_params, skb); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 935 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
| 936 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 937 | BUG_ON(txo->sent_skb_list[head]); |
| 938 | txo->sent_skb_list[head] = skb; |
| 939 | txo->last_req_hdr = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 940 | atomic_add(num_frags, &txq->used); |
| 941 | txo->last_req_wrb_cnt = num_frags; |
| 942 | txo->pend_wrb_cnt += num_frags; |
| 943 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 944 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 945 | /* Setup a WRB fragment (buffer descriptor) for xmit */ |
| 946 | static void be_tx_setup_wrb_frag(struct be_tx_obj *txo, dma_addr_t busaddr, |
| 947 | int len) |
| 948 | { |
| 949 | struct be_eth_wrb *wrb; |
| 950 | struct be_queue_info *txq = &txo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 951 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 952 | wrb = queue_head_node(txq); |
| 953 | wrb_fill(wrb, busaddr, len); |
| 954 | queue_head_inc(txq); |
| 955 | } |
| 956 | |
| 957 | /* Bring the queue back to the state it was in before be_xmit_enqueue() routine |
| 958 | * was invoked. The producer index is restored to the previous packet and the |
| 959 | * WRBs of the current packet are unmapped. Invoked to handle tx setup errors. |
| 960 | */ |
| 961 | static void be_xmit_restore(struct be_adapter *adapter, |
ajit.khaparde@broadcom.com | b0fd2eb | 2016-02-23 00:33:48 +0530 | [diff] [blame] | 962 | struct be_tx_obj *txo, u32 head, bool map_single, |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 963 | u32 copied) |
| 964 | { |
| 965 | struct device *dev; |
| 966 | struct be_eth_wrb *wrb; |
| 967 | struct be_queue_info *txq = &txo->q; |
| 968 | |
| 969 | dev = &adapter->pdev->dev; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 970 | txq->head = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 971 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 972 | /* skip the first wrb (hdr); it's not mapped */ |
| 973 | queue_head_inc(txq); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 974 | while (copied) { |
| 975 | wrb = queue_head_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 976 | unmap_tx_frag(dev, wrb, map_single); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 977 | map_single = false; |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 978 | copied -= le32_to_cpu(wrb->frag_len); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 979 | queue_head_inc(txq); |
| 980 | } |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 981 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 982 | txq->head = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 983 | } |
| 984 | |
| 985 | /* Enqueue the given packet for transmit. This routine allocates WRBs for the |
| 986 | * packet, dma maps the packet buffers and sets up the WRBs. Returns the number |
| 987 | * of WRBs used up by the packet. |
| 988 | */ |
| 989 | static u32 be_xmit_enqueue(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 990 | struct sk_buff *skb, |
| 991 | struct be_wrb_params *wrb_params) |
| 992 | { |
| 993 | u32 i, copied = 0, wrb_cnt = skb_wrb_cnt(skb); |
| 994 | struct device *dev = &adapter->pdev->dev; |
| 995 | struct be_queue_info *txq = &txo->q; |
| 996 | bool map_single = false; |
ajit.khaparde@broadcom.com | b0fd2eb | 2016-02-23 00:33:48 +0530 | [diff] [blame] | 997 | u32 head = txq->head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 998 | dma_addr_t busaddr; |
| 999 | int len; |
| 1000 | |
| 1001 | head = be_tx_get_wrb_hdr(txo); |
| 1002 | |
| 1003 | if (skb->len > skb->data_len) { |
| 1004 | len = skb_headlen(skb); |
| 1005 | |
| 1006 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
| 1007 | if (dma_mapping_error(dev, busaddr)) |
| 1008 | goto dma_err; |
| 1009 | map_single = true; |
| 1010 | be_tx_setup_wrb_frag(txo, busaddr, len); |
| 1011 | copied += len; |
| 1012 | } |
| 1013 | |
| 1014 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
| 1015 | const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; |
| 1016 | len = skb_frag_size(frag); |
| 1017 | |
| 1018 | busaddr = skb_frag_dma_map(dev, frag, 0, len, DMA_TO_DEVICE); |
| 1019 | if (dma_mapping_error(dev, busaddr)) |
| 1020 | goto dma_err; |
| 1021 | be_tx_setup_wrb_frag(txo, busaddr, len); |
| 1022 | copied += len; |
| 1023 | } |
| 1024 | |
| 1025 | be_tx_setup_wrb_hdr(adapter, txo, wrb_params, skb, head); |
| 1026 | |
| 1027 | be_tx_stats_update(txo, skb); |
| 1028 | return wrb_cnt; |
| 1029 | |
| 1030 | dma_err: |
| 1031 | adapter->drv_stats.dma_map_errors++; |
| 1032 | be_xmit_restore(adapter, txo, head, map_single, copied); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 1033 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1034 | } |
| 1035 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 1036 | static inline int qnq_async_evt_rcvd(struct be_adapter *adapter) |
| 1037 | { |
| 1038 | return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD; |
| 1039 | } |
| 1040 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1041 | static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1042 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1043 | struct be_wrb_params |
| 1044 | *wrb_params) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1045 | { |
| 1046 | u16 vlan_tag = 0; |
| 1047 | |
| 1048 | skb = skb_share_check(skb, GFP_ATOMIC); |
| 1049 | if (unlikely(!skb)) |
| 1050 | return skb; |
| 1051 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1052 | if (skb_vlan_tag_present(skb)) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1053 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Sarveshwar Bandi | 52fe29e | 2013-07-16 12:44:02 +0530 | [diff] [blame] | 1054 | |
| 1055 | if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { |
| 1056 | if (!vlan_tag) |
| 1057 | vlan_tag = adapter->pvid; |
| 1058 | /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to |
| 1059 | * skip VLAN insertion |
| 1060 | */ |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1061 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Sarveshwar Bandi | 52fe29e | 2013-07-16 12:44:02 +0530 | [diff] [blame] | 1062 | } |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1063 | |
| 1064 | if (vlan_tag) { |
Jiri Pirko | 62749e2 | 2014-11-19 14:04:58 +0100 | [diff] [blame] | 1065 | skb = vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), |
| 1066 | vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1067 | if (unlikely(!skb)) |
| 1068 | return skb; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1069 | skb->vlan_tci = 0; |
| 1070 | } |
| 1071 | |
| 1072 | /* Insert the outer VLAN, if any */ |
| 1073 | if (adapter->qnq_vid) { |
| 1074 | vlan_tag = adapter->qnq_vid; |
Jiri Pirko | 62749e2 | 2014-11-19 14:04:58 +0100 | [diff] [blame] | 1075 | skb = vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), |
| 1076 | vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1077 | if (unlikely(!skb)) |
| 1078 | return skb; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1079 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1080 | } |
| 1081 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1082 | return skb; |
| 1083 | } |
| 1084 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1085 | static bool be_ipv6_exthdr_check(struct sk_buff *skb) |
| 1086 | { |
| 1087 | struct ethhdr *eh = (struct ethhdr *)skb->data; |
| 1088 | u16 offset = ETH_HLEN; |
| 1089 | |
| 1090 | if (eh->h_proto == htons(ETH_P_IPV6)) { |
| 1091 | struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset); |
| 1092 | |
| 1093 | offset += sizeof(struct ipv6hdr); |
| 1094 | if (ip6h->nexthdr != NEXTHDR_TCP && |
| 1095 | ip6h->nexthdr != NEXTHDR_UDP) { |
| 1096 | struct ipv6_opt_hdr *ehdr = |
Kalesh AP | 504fbf1 | 2014-09-19 15:47:00 +0530 | [diff] [blame] | 1097 | (struct ipv6_opt_hdr *)(skb->data + offset); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1098 | |
| 1099 | /* offending pkt: 2nd byte following IPv6 hdr is 0xff */ |
| 1100 | if (ehdr->hdrlen == 0xff) |
| 1101 | return true; |
| 1102 | } |
| 1103 | } |
| 1104 | return false; |
| 1105 | } |
| 1106 | |
| 1107 | static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb) |
| 1108 | { |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1109 | return skb_vlan_tag_present(skb) || adapter->pvid || adapter->qnq_vid; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1110 | } |
| 1111 | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1112 | static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, struct sk_buff *skb) |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1113 | { |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1114 | return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1115 | } |
| 1116 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1117 | static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, |
| 1118 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1119 | struct be_wrb_params |
| 1120 | *wrb_params) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1121 | { |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1122 | struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1123 | unsigned int eth_hdr_len; |
| 1124 | struct iphdr *ip; |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1125 | |
Ajit Khaparde | 1297f9d | 2013-04-24 11:52:28 +0000 | [diff] [blame] | 1126 | /* For padded packets, BE HW modifies tot_len field in IP header |
| 1127 | * incorrecly when VLAN tag is inserted by HW. |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 1128 | * For padded packets, Lancer computes incorrect checksum. |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1129 | */ |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1130 | eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? |
| 1131 | VLAN_ETH_HLEN : ETH_HLEN; |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 1132 | if (skb->len <= 60 && |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1133 | (lancer_chip(adapter) || skb_vlan_tag_present(skb)) && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1134 | is_ipv4_pkt(skb)) { |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1135 | ip = (struct iphdr *)ip_hdr(skb); |
| 1136 | pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); |
| 1137 | } |
| 1138 | |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1139 | /* If vlan tag is already inlined in the packet, skip HW VLAN |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1140 | * tagging in pvid-tagging mode |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1141 | */ |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1142 | if (be_pvid_tagging_enabled(adapter) && |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1143 | veh->h_vlan_proto == htons(ETH_P_8021Q)) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1144 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1145 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1146 | /* HW has a bug wherein it will calculate CSUM for VLAN |
| 1147 | * pkts even though it is disabled. |
| 1148 | * Manually insert VLAN in pkt. |
| 1149 | */ |
| 1150 | if (skb->ip_summed != CHECKSUM_PARTIAL && |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1151 | skb_vlan_tag_present(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1152 | skb = be_insert_vlan_in_pkt(adapter, skb, wrb_params); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1153 | if (unlikely(!skb)) |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1154 | goto err; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1155 | } |
| 1156 | |
| 1157 | /* HW may lockup when VLAN HW tagging is requested on |
| 1158 | * certain ipv6 packets. Drop such pkts if the HW workaround to |
| 1159 | * skip HW tagging is not enabled by FW. |
| 1160 | */ |
| 1161 | if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) && |
Kalesh AP | cd3307aa | 2014-09-19 15:47:02 +0530 | [diff] [blame] | 1162 | (adapter->pvid || adapter->qnq_vid) && |
| 1163 | !qnq_async_evt_rcvd(adapter))) |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1164 | goto tx_drop; |
| 1165 | |
| 1166 | /* Manual VLAN tag insertion to prevent: |
| 1167 | * ASIC lockup when the ASIC inserts VLAN tag into |
| 1168 | * certain ipv6 packets. Insert VLAN tags in driver, |
| 1169 | * and set event, completion, vlan bits accordingly |
| 1170 | * in the Tx WRB. |
| 1171 | */ |
| 1172 | if (be_ipv6_tx_stall_chk(adapter, skb) && |
| 1173 | be_vlan_tag_tx_chk(adapter, skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1174 | skb = be_insert_vlan_in_pkt(adapter, skb, wrb_params); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1175 | if (unlikely(!skb)) |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1176 | goto err; |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1177 | } |
| 1178 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1179 | return skb; |
| 1180 | tx_drop: |
| 1181 | dev_kfree_skb_any(skb); |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1182 | err: |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1183 | return NULL; |
| 1184 | } |
| 1185 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1186 | static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, |
| 1187 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1188 | struct be_wrb_params *wrb_params) |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1189 | { |
ajit.khaparde@broadcom.com | 127bfce | 2016-02-23 00:35:01 +0530 | [diff] [blame] | 1190 | int err; |
| 1191 | |
Suresh Reddy | 8227e99 | 2015-10-12 03:47:19 -0400 | [diff] [blame] | 1192 | /* Lancer, SH and BE3 in SRIOV mode have a bug wherein |
| 1193 | * packets that are 32b or less may cause a transmit stall |
| 1194 | * on that port. The workaround is to pad such packets |
| 1195 | * (len <= 32 bytes) to a minimum length of 36b. |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1196 | */ |
Suresh Reddy | 8227e99 | 2015-10-12 03:47:19 -0400 | [diff] [blame] | 1197 | if (skb->len <= 32) { |
Alexander Duyck | 74b6939 | 2014-12-03 08:17:46 -0800 | [diff] [blame] | 1198 | if (skb_put_padto(skb, 36)) |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1199 | return NULL; |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1200 | } |
| 1201 | |
| 1202 | if (BEx_chip(adapter) || lancer_chip(adapter)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1203 | skb = be_lancer_xmit_workarounds(adapter, skb, wrb_params); |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1204 | if (!skb) |
| 1205 | return NULL; |
| 1206 | } |
| 1207 | |
ajit.khaparde@broadcom.com | 127bfce | 2016-02-23 00:35:01 +0530 | [diff] [blame] | 1208 | /* The stack can send us skbs with length greater than |
| 1209 | * what the HW can handle. Trim the extra bytes. |
| 1210 | */ |
| 1211 | WARN_ON_ONCE(skb->len > BE_MAX_GSO_SIZE); |
| 1212 | err = pskb_trim(skb, BE_MAX_GSO_SIZE); |
| 1213 | WARN_ON(err); |
| 1214 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1215 | return skb; |
| 1216 | } |
| 1217 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1218 | static void be_xmit_flush(struct be_adapter *adapter, struct be_tx_obj *txo) |
| 1219 | { |
| 1220 | struct be_queue_info *txq = &txo->q; |
| 1221 | struct be_eth_hdr_wrb *hdr = queue_index_node(txq, txo->last_req_hdr); |
| 1222 | |
| 1223 | /* Mark the last request eventable if it hasn't been marked already */ |
| 1224 | if (!(hdr->dw[2] & cpu_to_le32(TX_HDR_WRB_EVT))) |
| 1225 | hdr->dw[2] |= cpu_to_le32(TX_HDR_WRB_EVT | TX_HDR_WRB_COMPL); |
| 1226 | |
| 1227 | /* compose a dummy wrb if there are odd set of wrbs to notify */ |
| 1228 | if (!lancer_chip(adapter) && (txo->pend_wrb_cnt & 1)) { |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 1229 | wrb_fill_dummy(queue_head_node(txq)); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1230 | queue_head_inc(txq); |
| 1231 | atomic_inc(&txq->used); |
| 1232 | txo->pend_wrb_cnt++; |
| 1233 | hdr->dw[2] &= ~cpu_to_le32(TX_HDR_WRB_NUM_MASK << |
| 1234 | TX_HDR_WRB_NUM_SHIFT); |
| 1235 | hdr->dw[2] |= cpu_to_le32((txo->last_req_wrb_cnt + 1) << |
| 1236 | TX_HDR_WRB_NUM_SHIFT); |
| 1237 | } |
| 1238 | be_txq_notify(adapter, txo, txo->pend_wrb_cnt); |
| 1239 | txo->pend_wrb_cnt = 0; |
| 1240 | } |
| 1241 | |
Venkata Duvvuru | 760c295 | 2015-05-13 13:00:14 +0530 | [diff] [blame] | 1242 | /* OS2BMC related */ |
| 1243 | |
| 1244 | #define DHCP_CLIENT_PORT 68 |
| 1245 | #define DHCP_SERVER_PORT 67 |
| 1246 | #define NET_BIOS_PORT1 137 |
| 1247 | #define NET_BIOS_PORT2 138 |
| 1248 | #define DHCPV6_RAS_PORT 547 |
| 1249 | |
| 1250 | #define is_mc_allowed_on_bmc(adapter, eh) \ |
| 1251 | (!is_multicast_filt_enabled(adapter) && \ |
| 1252 | is_multicast_ether_addr(eh->h_dest) && \ |
| 1253 | !is_broadcast_ether_addr(eh->h_dest)) |
| 1254 | |
| 1255 | #define is_bc_allowed_on_bmc(adapter, eh) \ |
| 1256 | (!is_broadcast_filt_enabled(adapter) && \ |
| 1257 | is_broadcast_ether_addr(eh->h_dest)) |
| 1258 | |
| 1259 | #define is_arp_allowed_on_bmc(adapter, skb) \ |
| 1260 | (is_arp(skb) && is_arp_filt_enabled(adapter)) |
| 1261 | |
| 1262 | #define is_broadcast_packet(eh, adapter) \ |
| 1263 | (is_multicast_ether_addr(eh->h_dest) && \ |
| 1264 | !compare_ether_addr(eh->h_dest, adapter->netdev->broadcast)) |
| 1265 | |
| 1266 | #define is_arp(skb) (skb->protocol == htons(ETH_P_ARP)) |
| 1267 | |
| 1268 | #define is_arp_filt_enabled(adapter) \ |
| 1269 | (adapter->bmc_filt_mask & (BMC_FILT_BROADCAST_ARP)) |
| 1270 | |
| 1271 | #define is_dhcp_client_filt_enabled(adapter) \ |
| 1272 | (adapter->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_CLIENT) |
| 1273 | |
| 1274 | #define is_dhcp_srvr_filt_enabled(adapter) \ |
| 1275 | (adapter->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_SERVER) |
| 1276 | |
| 1277 | #define is_nbios_filt_enabled(adapter) \ |
| 1278 | (adapter->bmc_filt_mask & BMC_FILT_BROADCAST_NET_BIOS) |
| 1279 | |
| 1280 | #define is_ipv6_na_filt_enabled(adapter) \ |
| 1281 | (adapter->bmc_filt_mask & \ |
| 1282 | BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER) |
| 1283 | |
| 1284 | #define is_ipv6_ra_filt_enabled(adapter) \ |
| 1285 | (adapter->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RA) |
| 1286 | |
| 1287 | #define is_ipv6_ras_filt_enabled(adapter) \ |
| 1288 | (adapter->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RAS) |
| 1289 | |
| 1290 | #define is_broadcast_filt_enabled(adapter) \ |
| 1291 | (adapter->bmc_filt_mask & BMC_FILT_BROADCAST) |
| 1292 | |
| 1293 | #define is_multicast_filt_enabled(adapter) \ |
| 1294 | (adapter->bmc_filt_mask & BMC_FILT_MULTICAST) |
| 1295 | |
| 1296 | static bool be_send_pkt_to_bmc(struct be_adapter *adapter, |
| 1297 | struct sk_buff **skb) |
| 1298 | { |
| 1299 | struct ethhdr *eh = (struct ethhdr *)(*skb)->data; |
| 1300 | bool os2bmc = false; |
| 1301 | |
| 1302 | if (!be_is_os2bmc_enabled(adapter)) |
| 1303 | goto done; |
| 1304 | |
| 1305 | if (!is_multicast_ether_addr(eh->h_dest)) |
| 1306 | goto done; |
| 1307 | |
| 1308 | if (is_mc_allowed_on_bmc(adapter, eh) || |
| 1309 | is_bc_allowed_on_bmc(adapter, eh) || |
| 1310 | is_arp_allowed_on_bmc(adapter, (*skb))) { |
| 1311 | os2bmc = true; |
| 1312 | goto done; |
| 1313 | } |
| 1314 | |
| 1315 | if ((*skb)->protocol == htons(ETH_P_IPV6)) { |
| 1316 | struct ipv6hdr *hdr = ipv6_hdr((*skb)); |
| 1317 | u8 nexthdr = hdr->nexthdr; |
| 1318 | |
| 1319 | if (nexthdr == IPPROTO_ICMPV6) { |
| 1320 | struct icmp6hdr *icmp6 = icmp6_hdr((*skb)); |
| 1321 | |
| 1322 | switch (icmp6->icmp6_type) { |
| 1323 | case NDISC_ROUTER_ADVERTISEMENT: |
| 1324 | os2bmc = is_ipv6_ra_filt_enabled(adapter); |
| 1325 | goto done; |
| 1326 | case NDISC_NEIGHBOUR_ADVERTISEMENT: |
| 1327 | os2bmc = is_ipv6_na_filt_enabled(adapter); |
| 1328 | goto done; |
| 1329 | default: |
| 1330 | break; |
| 1331 | } |
| 1332 | } |
| 1333 | } |
| 1334 | |
| 1335 | if (is_udp_pkt((*skb))) { |
| 1336 | struct udphdr *udp = udp_hdr((*skb)); |
| 1337 | |
Venkat Duvvuru | 1645d99 | 2015-07-10 05:32:47 -0400 | [diff] [blame] | 1338 | switch (ntohs(udp->dest)) { |
Venkata Duvvuru | 760c295 | 2015-05-13 13:00:14 +0530 | [diff] [blame] | 1339 | case DHCP_CLIENT_PORT: |
| 1340 | os2bmc = is_dhcp_client_filt_enabled(adapter); |
| 1341 | goto done; |
| 1342 | case DHCP_SERVER_PORT: |
| 1343 | os2bmc = is_dhcp_srvr_filt_enabled(adapter); |
| 1344 | goto done; |
| 1345 | case NET_BIOS_PORT1: |
| 1346 | case NET_BIOS_PORT2: |
| 1347 | os2bmc = is_nbios_filt_enabled(adapter); |
| 1348 | goto done; |
| 1349 | case DHCPV6_RAS_PORT: |
| 1350 | os2bmc = is_ipv6_ras_filt_enabled(adapter); |
| 1351 | goto done; |
| 1352 | default: |
| 1353 | break; |
| 1354 | } |
| 1355 | } |
| 1356 | done: |
| 1357 | /* For packets over a vlan, which are destined |
| 1358 | * to BMC, asic expects the vlan to be inline in the packet. |
| 1359 | */ |
| 1360 | if (os2bmc) |
| 1361 | *skb = be_insert_vlan_in_pkt(adapter, *skb, NULL); |
| 1362 | |
| 1363 | return os2bmc; |
| 1364 | } |
| 1365 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1366 | static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) |
| 1367 | { |
| 1368 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1369 | u16 q_idx = skb_get_queue_mapping(skb); |
| 1370 | struct be_tx_obj *txo = &adapter->tx_obj[q_idx]; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1371 | struct be_wrb_params wrb_params = { 0 }; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1372 | bool flush = !skb->xmit_more; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1373 | u16 wrb_cnt; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1374 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1375 | skb = be_xmit_workarounds(adapter, skb, &wrb_params); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1376 | if (unlikely(!skb)) |
| 1377 | goto drop; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1378 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1379 | be_get_wrb_params_from_skb(adapter, skb, &wrb_params); |
| 1380 | |
| 1381 | wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1382 | if (unlikely(!wrb_cnt)) { |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1383 | dev_kfree_skb_any(skb); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1384 | goto drop; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1385 | } |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1386 | |
Venkata Duvvuru | 760c295 | 2015-05-13 13:00:14 +0530 | [diff] [blame] | 1387 | /* if os2bmc is enabled and if the pkt is destined to bmc, |
| 1388 | * enqueue the pkt a 2nd time with mgmt bit set. |
| 1389 | */ |
| 1390 | if (be_send_pkt_to_bmc(adapter, &skb)) { |
| 1391 | BE_WRB_F_SET(wrb_params.features, OS2BMC, 1); |
| 1392 | wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params); |
| 1393 | if (unlikely(!wrb_cnt)) |
| 1394 | goto drop; |
| 1395 | else |
| 1396 | skb_get(skb); |
| 1397 | } |
| 1398 | |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 1399 | if (be_is_txq_full(txo)) { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1400 | netif_stop_subqueue(netdev, q_idx); |
| 1401 | tx_stats(txo)->tx_stops++; |
| 1402 | } |
| 1403 | |
| 1404 | if (flush || __netif_subqueue_stopped(netdev, q_idx)) |
| 1405 | be_xmit_flush(adapter, txo); |
| 1406 | |
| 1407 | return NETDEV_TX_OK; |
| 1408 | drop: |
| 1409 | tx_stats(txo)->tx_drv_drops++; |
| 1410 | /* Flush the already enqueued tx requests */ |
| 1411 | if (flush && txo->pend_wrb_cnt) |
| 1412 | be_xmit_flush(adapter, txo); |
| 1413 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1414 | return NETDEV_TX_OK; |
| 1415 | } |
| 1416 | |
| 1417 | static int be_change_mtu(struct net_device *netdev, int new_mtu) |
| 1418 | { |
| 1419 | struct be_adapter *adapter = netdev_priv(netdev); |
Kalesh AP | 0d3f5cc | 2014-09-02 09:56:53 +0530 | [diff] [blame] | 1420 | struct device *dev = &adapter->pdev->dev; |
| 1421 | |
| 1422 | if (new_mtu < BE_MIN_MTU || new_mtu > BE_MAX_MTU) { |
| 1423 | dev_info(dev, "MTU must be between %d and %d bytes\n", |
| 1424 | BE_MIN_MTU, BE_MAX_MTU); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1425 | return -EINVAL; |
| 1426 | } |
Kalesh AP | 0d3f5cc | 2014-09-02 09:56:53 +0530 | [diff] [blame] | 1427 | |
| 1428 | dev_info(dev, "MTU changed from %d to %d bytes\n", |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1429 | netdev->mtu, new_mtu); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1430 | netdev->mtu = new_mtu; |
| 1431 | return 0; |
| 1432 | } |
| 1433 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1434 | static inline bool be_in_all_promisc(struct be_adapter *adapter) |
| 1435 | { |
| 1436 | return (adapter->if_flags & BE_IF_FLAGS_ALL_PROMISCUOUS) == |
| 1437 | BE_IF_FLAGS_ALL_PROMISCUOUS; |
| 1438 | } |
| 1439 | |
| 1440 | static int be_set_vlan_promisc(struct be_adapter *adapter) |
| 1441 | { |
| 1442 | struct device *dev = &adapter->pdev->dev; |
| 1443 | int status; |
| 1444 | |
| 1445 | if (adapter->if_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) |
| 1446 | return 0; |
| 1447 | |
| 1448 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_VLAN_PROMISCUOUS, ON); |
| 1449 | if (!status) { |
| 1450 | dev_info(dev, "Enabled VLAN promiscuous mode\n"); |
| 1451 | adapter->if_flags |= BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 1452 | } else { |
| 1453 | dev_err(dev, "Failed to enable VLAN promiscuous mode\n"); |
| 1454 | } |
| 1455 | return status; |
| 1456 | } |
| 1457 | |
| 1458 | static int be_clear_vlan_promisc(struct be_adapter *adapter) |
| 1459 | { |
| 1460 | struct device *dev = &adapter->pdev->dev; |
| 1461 | int status; |
| 1462 | |
| 1463 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_VLAN_PROMISCUOUS, OFF); |
| 1464 | if (!status) { |
| 1465 | dev_info(dev, "Disabling VLAN promiscuous mode\n"); |
| 1466 | adapter->if_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 1467 | } |
| 1468 | return status; |
| 1469 | } |
| 1470 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1471 | /* |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1472 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
| 1473 | * If the user configures more, place BE in vlan promiscuous mode. |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1474 | */ |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1475 | static int be_vid_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1476 | { |
Vasundhara Volam | 5076266 | 2014-09-12 17:39:14 +0530 | [diff] [blame] | 1477 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1478 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1479 | u16 num = 0, i = 0; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1480 | int status = 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1481 | |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1482 | /* No need to change the VLAN state if the I/F is in promiscuous */ |
| 1483 | if (adapter->netdev->flags & IFF_PROMISC) |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1484 | return 0; |
| 1485 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 1486 | if (adapter->vlans_added > be_max_vlans(adapter)) |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1487 | return be_set_vlan_promisc(adapter); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1488 | |
Somnath Kotur | 841f60f | 2016-07-27 05:26:15 -0400 | [diff] [blame] | 1489 | if (adapter->if_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) { |
| 1490 | status = be_clear_vlan_promisc(adapter); |
| 1491 | if (status) |
| 1492 | return status; |
| 1493 | } |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1494 | /* Construct VLAN Table to give to HW */ |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1495 | for_each_set_bit(i, adapter->vids, VLAN_N_VID) |
| 1496 | vids[num++] = cpu_to_le16(i); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1497 | |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1498 | status = be_cmd_vlan_config(adapter, adapter->if_handle, vids, num, 0); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1499 | if (status) { |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1500 | dev_err(dev, "Setting HW VLAN filtering failed\n"); |
Ajit Khaparde | d9d604f | 2013-09-27 15:17:58 -0500 | [diff] [blame] | 1501 | /* Set to VLAN promisc mode as setting VLAN filter failed */ |
Kalesh AP | 77be8c1 | 2015-05-06 05:30:35 -0400 | [diff] [blame] | 1502 | if (addl_status(status) == MCC_ADDL_STATUS_INSUFFICIENT_VLANS || |
| 1503 | addl_status(status) == |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 1504 | MCC_ADDL_STATUS_INSUFFICIENT_RESOURCES) |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1505 | return be_set_vlan_promisc(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1506 | } |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1507 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1508 | } |
| 1509 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1510 | static int be_vlan_add_vid(struct net_device *netdev, __be16 proto, u16 vid) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1511 | { |
| 1512 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1513 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1514 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1515 | mutex_lock(&adapter->rx_filter_lock); |
| 1516 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1517 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1518 | if (lancer_chip(adapter) && vid == 0) |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1519 | goto done; |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1520 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1521 | if (test_bit(vid, adapter->vids)) |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1522 | goto done; |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1523 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1524 | set_bit(vid, adapter->vids); |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1525 | adapter->vlans_added++; |
Jiri Pirko | 8e58613 | 2011-12-08 19:52:37 -0500 | [diff] [blame] | 1526 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1527 | status = be_vid_config(adapter); |
| 1528 | done: |
| 1529 | mutex_unlock(&adapter->rx_filter_lock); |
| 1530 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1531 | } |
| 1532 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1533 | static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1534 | { |
| 1535 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1536 | int status = 0; |
| 1537 | |
| 1538 | mutex_lock(&adapter->rx_filter_lock); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1539 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1540 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1541 | if (lancer_chip(adapter) && vid == 0) |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1542 | goto done; |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1543 | |
Sriharsha Basavapatna | 41dcdfb | 2016-02-03 09:49:18 +0530 | [diff] [blame] | 1544 | if (!test_bit(vid, adapter->vids)) |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1545 | goto done; |
Sriharsha Basavapatna | 41dcdfb | 2016-02-03 09:49:18 +0530 | [diff] [blame] | 1546 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1547 | clear_bit(vid, adapter->vids); |
Kalesh AP | 9d4dfe4 | 2014-06-30 13:01:33 +0530 | [diff] [blame] | 1548 | adapter->vlans_added--; |
| 1549 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1550 | status = be_vid_config(adapter); |
| 1551 | done: |
| 1552 | mutex_unlock(&adapter->rx_filter_lock); |
| 1553 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1554 | } |
| 1555 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1556 | static void be_set_all_promisc(struct be_adapter *adapter) |
| 1557 | { |
| 1558 | be_cmd_rx_filter(adapter, BE_IF_FLAGS_ALL_PROMISCUOUS, ON); |
| 1559 | adapter->if_flags |= BE_IF_FLAGS_ALL_PROMISCUOUS; |
| 1560 | } |
| 1561 | |
| 1562 | static void be_set_mc_promisc(struct be_adapter *adapter) |
| 1563 | { |
| 1564 | int status; |
| 1565 | |
| 1566 | if (adapter->if_flags & BE_IF_FLAGS_MCAST_PROMISCUOUS) |
| 1567 | return; |
| 1568 | |
| 1569 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_MCAST_PROMISCUOUS, ON); |
| 1570 | if (!status) |
| 1571 | adapter->if_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS; |
| 1572 | } |
| 1573 | |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1574 | static void be_set_uc_promisc(struct be_adapter *adapter) |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1575 | { |
| 1576 | int status; |
| 1577 | |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1578 | if (adapter->if_flags & BE_IF_FLAGS_PROMISCUOUS) |
| 1579 | return; |
| 1580 | |
| 1581 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_PROMISCUOUS, ON); |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1582 | if (!status) |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1583 | adapter->if_flags |= BE_IF_FLAGS_PROMISCUOUS; |
| 1584 | } |
| 1585 | |
| 1586 | static void be_clear_uc_promisc(struct be_adapter *adapter) |
| 1587 | { |
| 1588 | int status; |
| 1589 | |
| 1590 | if (!(adapter->if_flags & BE_IF_FLAGS_PROMISCUOUS)) |
| 1591 | return; |
| 1592 | |
| 1593 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_PROMISCUOUS, OFF); |
| 1594 | if (!status) |
| 1595 | adapter->if_flags &= ~BE_IF_FLAGS_PROMISCUOUS; |
| 1596 | } |
| 1597 | |
| 1598 | /* The below 2 functions are the callback args for __dev_mc_sync/dev_uc_sync(). |
| 1599 | * We use a single callback function for both sync and unsync. We really don't |
| 1600 | * add/remove addresses through this callback. But, we use it to detect changes |
| 1601 | * to the uc/mc lists. The entire uc/mc list is programmed in be_set_rx_mode(). |
| 1602 | */ |
| 1603 | static int be_uc_list_update(struct net_device *netdev, |
| 1604 | const unsigned char *addr) |
| 1605 | { |
| 1606 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1607 | |
| 1608 | adapter->update_uc_list = true; |
| 1609 | return 0; |
| 1610 | } |
| 1611 | |
| 1612 | static int be_mc_list_update(struct net_device *netdev, |
| 1613 | const unsigned char *addr) |
| 1614 | { |
| 1615 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1616 | |
| 1617 | adapter->update_mc_list = true; |
| 1618 | return 0; |
| 1619 | } |
| 1620 | |
| 1621 | static void be_set_mc_list(struct be_adapter *adapter) |
| 1622 | { |
| 1623 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1624 | struct netdev_hw_addr *ha; |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1625 | bool mc_promisc = false; |
| 1626 | int status; |
| 1627 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1628 | netif_addr_lock_bh(netdev); |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1629 | __dev_mc_sync(netdev, be_mc_list_update, be_mc_list_update); |
| 1630 | |
| 1631 | if (netdev->flags & IFF_PROMISC) { |
| 1632 | adapter->update_mc_list = false; |
| 1633 | } else if (netdev->flags & IFF_ALLMULTI || |
| 1634 | netdev_mc_count(netdev) > be_max_mc(adapter)) { |
| 1635 | /* Enable multicast promisc if num configured exceeds |
| 1636 | * what we support |
| 1637 | */ |
| 1638 | mc_promisc = true; |
| 1639 | adapter->update_mc_list = false; |
| 1640 | } else if (adapter->if_flags & BE_IF_FLAGS_MCAST_PROMISCUOUS) { |
| 1641 | /* Update mc-list unconditionally if the iface was previously |
| 1642 | * in mc-promisc mode and now is out of that mode. |
| 1643 | */ |
| 1644 | adapter->update_mc_list = true; |
| 1645 | } |
| 1646 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1647 | if (adapter->update_mc_list) { |
| 1648 | int i = 0; |
| 1649 | |
| 1650 | /* cache the mc-list in adapter */ |
| 1651 | netdev_for_each_mc_addr(ha, netdev) { |
| 1652 | ether_addr_copy(adapter->mc_list[i].mac, ha->addr); |
| 1653 | i++; |
| 1654 | } |
| 1655 | adapter->mc_count = netdev_mc_count(netdev); |
| 1656 | } |
| 1657 | netif_addr_unlock_bh(netdev); |
| 1658 | |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1659 | if (mc_promisc) { |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1660 | be_set_mc_promisc(adapter); |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1661 | } else if (adapter->update_mc_list) { |
| 1662 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_MULTICAST, ON); |
| 1663 | if (!status) |
| 1664 | adapter->if_flags &= ~BE_IF_FLAGS_MCAST_PROMISCUOUS; |
| 1665 | else |
| 1666 | be_set_mc_promisc(adapter); |
| 1667 | |
| 1668 | adapter->update_mc_list = false; |
| 1669 | } |
| 1670 | } |
| 1671 | |
| 1672 | static void be_clear_mc_list(struct be_adapter *adapter) |
| 1673 | { |
| 1674 | struct net_device *netdev = adapter->netdev; |
| 1675 | |
| 1676 | __dev_mc_unsync(netdev, NULL); |
| 1677 | be_cmd_rx_filter(adapter, BE_IF_FLAGS_MULTICAST, OFF); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1678 | adapter->mc_count = 0; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1679 | } |
| 1680 | |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 1681 | static int be_uc_mac_add(struct be_adapter *adapter, int uc_idx) |
| 1682 | { |
Ivan Vecera | b4c3022 | 2017-01-06 20:30:02 +0100 | [diff] [blame] | 1683 | if (ether_addr_equal(adapter->uc_list[uc_idx].mac, adapter->dev_mac)) { |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 1684 | adapter->pmac_id[uc_idx + 1] = adapter->pmac_id[0]; |
| 1685 | return 0; |
| 1686 | } |
| 1687 | |
Ivan Vecera | b4c3022 | 2017-01-06 20:30:02 +0100 | [diff] [blame] | 1688 | return be_cmd_pmac_add(adapter, adapter->uc_list[uc_idx].mac, |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 1689 | adapter->if_handle, |
| 1690 | &adapter->pmac_id[uc_idx + 1], 0); |
| 1691 | } |
| 1692 | |
| 1693 | static void be_uc_mac_del(struct be_adapter *adapter, int pmac_id) |
| 1694 | { |
| 1695 | if (pmac_id == adapter->pmac_id[0]) |
| 1696 | return; |
| 1697 | |
| 1698 | be_cmd_pmac_del(adapter, adapter->if_handle, pmac_id, 0); |
| 1699 | } |
| 1700 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1701 | static void be_set_uc_list(struct be_adapter *adapter) |
| 1702 | { |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1703 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1704 | struct netdev_hw_addr *ha; |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1705 | bool uc_promisc = false; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1706 | int curr_uc_macs = 0, i; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1707 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1708 | netif_addr_lock_bh(netdev); |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1709 | __dev_uc_sync(netdev, be_uc_list_update, be_uc_list_update); |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1710 | |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1711 | if (netdev->flags & IFF_PROMISC) { |
| 1712 | adapter->update_uc_list = false; |
| 1713 | } else if (netdev_uc_count(netdev) > (be_max_uc(adapter) - 1)) { |
| 1714 | uc_promisc = true; |
| 1715 | adapter->update_uc_list = false; |
| 1716 | } else if (adapter->if_flags & BE_IF_FLAGS_PROMISCUOUS) { |
| 1717 | /* Update uc-list unconditionally if the iface was previously |
| 1718 | * in uc-promisc mode and now is out of that mode. |
| 1719 | */ |
| 1720 | adapter->update_uc_list = true; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1721 | } |
| 1722 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1723 | if (adapter->update_uc_list) { |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1724 | /* cache the uc-list in adapter array */ |
Ivan Vecera | e3a252a | 2017-01-06 21:59:30 +0100 | [diff] [blame] | 1725 | i = 0; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1726 | netdev_for_each_uc_addr(ha, netdev) { |
| 1727 | ether_addr_copy(adapter->uc_list[i].mac, ha->addr); |
| 1728 | i++; |
| 1729 | } |
| 1730 | curr_uc_macs = netdev_uc_count(netdev); |
| 1731 | } |
| 1732 | netif_addr_unlock_bh(netdev); |
| 1733 | |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1734 | if (uc_promisc) { |
| 1735 | be_set_uc_promisc(adapter); |
| 1736 | } else if (adapter->update_uc_list) { |
| 1737 | be_clear_uc_promisc(adapter); |
| 1738 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1739 | for (i = 0; i < adapter->uc_macs; i++) |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 1740 | be_uc_mac_del(adapter, adapter->pmac_id[i + 1]); |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1741 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1742 | for (i = 0; i < curr_uc_macs; i++) |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 1743 | be_uc_mac_add(adapter, i); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1744 | adapter->uc_macs = curr_uc_macs; |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1745 | adapter->update_uc_list = false; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1746 | } |
| 1747 | } |
| 1748 | |
| 1749 | static void be_clear_uc_list(struct be_adapter *adapter) |
| 1750 | { |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1751 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1752 | int i; |
| 1753 | |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1754 | __dev_uc_unsync(netdev, NULL); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1755 | for (i = 0; i < adapter->uc_macs; i++) |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 1756 | be_uc_mac_del(adapter, adapter->pmac_id[i + 1]); |
| 1757 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1758 | adapter->uc_macs = 0; |
Somnath kotur | 7ad0945 | 2014-03-03 14:24:43 +0530 | [diff] [blame] | 1759 | } |
| 1760 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1761 | static void __be_set_rx_mode(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1762 | { |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1763 | struct net_device *netdev = adapter->netdev; |
| 1764 | |
| 1765 | mutex_lock(&adapter->rx_filter_lock); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1766 | |
| 1767 | if (netdev->flags & IFF_PROMISC) { |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1768 | if (!be_in_all_promisc(adapter)) |
| 1769 | be_set_all_promisc(adapter); |
| 1770 | } else if (be_in_all_promisc(adapter)) { |
| 1771 | /* We need to re-program the vlan-list or clear |
| 1772 | * vlan-promisc mode (if needed) when the interface |
| 1773 | * comes out of promisc mode. |
| 1774 | */ |
| 1775 | be_vid_config(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1776 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1777 | |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 1778 | be_set_uc_list(adapter); |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1779 | be_set_mc_list(adapter); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 1780 | |
| 1781 | mutex_unlock(&adapter->rx_filter_lock); |
| 1782 | } |
| 1783 | |
| 1784 | static void be_work_set_rx_mode(struct work_struct *work) |
| 1785 | { |
| 1786 | struct be_cmd_work *cmd_work = |
| 1787 | container_of(work, struct be_cmd_work, work); |
| 1788 | |
| 1789 | __be_set_rx_mode(cmd_work->adapter); |
| 1790 | kfree(cmd_work); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1791 | } |
| 1792 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1793 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 1794 | { |
| 1795 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1796 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1797 | int status; |
| 1798 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1799 | if (!sriov_enabled(adapter)) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1800 | return -EPERM; |
| 1801 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1802 | if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1803 | return -EINVAL; |
| 1804 | |
Vasundhara Volam | 3c31aaf | 2014-08-01 17:47:31 +0530 | [diff] [blame] | 1805 | /* Proceed further only if user provided MAC is different |
| 1806 | * from active MAC |
| 1807 | */ |
| 1808 | if (ether_addr_equal(mac, vf_cfg->mac_addr)) |
| 1809 | return 0; |
| 1810 | |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 1811 | if (BEx_chip(adapter)) { |
| 1812 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, vf_cfg->pmac_id, |
| 1813 | vf + 1); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1814 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1815 | status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, |
| 1816 | &vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 1817 | } else { |
| 1818 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, |
| 1819 | vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1820 | } |
| 1821 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1822 | if (status) { |
| 1823 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed: %#x", |
| 1824 | mac, vf, status); |
| 1825 | return be_cmd_status(status); |
| 1826 | } |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1827 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1828 | ether_addr_copy(vf_cfg->mac_addr, mac); |
| 1829 | |
| 1830 | return 0; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1831 | } |
| 1832 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1833 | static int be_get_vf_config(struct net_device *netdev, int vf, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1834 | struct ifla_vf_info *vi) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1835 | { |
| 1836 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1837 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1838 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1839 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1840 | return -EPERM; |
| 1841 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1842 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1843 | return -EINVAL; |
| 1844 | |
| 1845 | vi->vf = vf; |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1846 | vi->max_tx_rate = vf_cfg->tx_rate; |
| 1847 | vi->min_tx_rate = 0; |
Ajit Khaparde | a60b3a1 | 2013-09-27 15:18:56 -0500 | [diff] [blame] | 1848 | vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK; |
| 1849 | vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1850 | memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1851 | vi->linkstate = adapter->vf_cfg[vf].plink_tracking; |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 1852 | vi->spoofchk = adapter->vf_cfg[vf].spoofchk; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1853 | |
| 1854 | return 0; |
| 1855 | } |
| 1856 | |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1857 | static int be_set_vf_tvt(struct be_adapter *adapter, int vf, u16 vlan) |
| 1858 | { |
| 1859 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
| 1860 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
| 1861 | int vf_if_id = vf_cfg->if_handle; |
| 1862 | int status; |
| 1863 | |
| 1864 | /* Enable Transparent VLAN Tagging */ |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 1865 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, vf_if_id, 0, 0); |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1866 | if (status) |
| 1867 | return status; |
| 1868 | |
| 1869 | /* Clear pre-programmed VLAN filters on VF if any, if TVT is enabled */ |
| 1870 | vids[0] = 0; |
| 1871 | status = be_cmd_vlan_config(adapter, vf_if_id, vids, 1, vf + 1); |
| 1872 | if (!status) |
| 1873 | dev_info(&adapter->pdev->dev, |
| 1874 | "Cleared guest VLANs on VF%d", vf); |
| 1875 | |
| 1876 | /* After TVT is enabled, disallow VFs to program VLAN filters */ |
| 1877 | if (vf_cfg->privileges & BE_PRIV_FILTMGMT) { |
| 1878 | status = be_cmd_set_fn_privileges(adapter, vf_cfg->privileges & |
| 1879 | ~BE_PRIV_FILTMGMT, vf + 1); |
| 1880 | if (!status) |
| 1881 | vf_cfg->privileges &= ~BE_PRIV_FILTMGMT; |
| 1882 | } |
| 1883 | return 0; |
| 1884 | } |
| 1885 | |
| 1886 | static int be_clear_vf_tvt(struct be_adapter *adapter, int vf) |
| 1887 | { |
| 1888 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
| 1889 | struct device *dev = &adapter->pdev->dev; |
| 1890 | int status; |
| 1891 | |
| 1892 | /* Reset Transparent VLAN Tagging. */ |
| 1893 | status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID, vf + 1, |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 1894 | vf_cfg->if_handle, 0, 0); |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1895 | if (status) |
| 1896 | return status; |
| 1897 | |
| 1898 | /* Allow VFs to program VLAN filtering */ |
| 1899 | if (!(vf_cfg->privileges & BE_PRIV_FILTMGMT)) { |
| 1900 | status = be_cmd_set_fn_privileges(adapter, vf_cfg->privileges | |
| 1901 | BE_PRIV_FILTMGMT, vf + 1); |
| 1902 | if (!status) { |
| 1903 | vf_cfg->privileges |= BE_PRIV_FILTMGMT; |
| 1904 | dev_info(dev, "VF%d: FILTMGMT priv enabled", vf); |
| 1905 | } |
| 1906 | } |
| 1907 | |
| 1908 | dev_info(dev, |
| 1909 | "Disable/re-enable i/f in VM to clear Transparent VLAN tag"); |
| 1910 | return 0; |
| 1911 | } |
| 1912 | |
Moshe Shemesh | 79aab09 | 2016-09-22 12:11:15 +0300 | [diff] [blame] | 1913 | static int be_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos, |
| 1914 | __be16 vlan_proto) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1915 | { |
| 1916 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1917 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1918 | int status; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1919 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1920 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1921 | return -EPERM; |
| 1922 | |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1923 | if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1924 | return -EINVAL; |
| 1925 | |
Moshe Shemesh | 79aab09 | 2016-09-22 12:11:15 +0300 | [diff] [blame] | 1926 | if (vlan_proto != htons(ETH_P_8021Q)) |
| 1927 | return -EPROTONOSUPPORT; |
| 1928 | |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1929 | if (vlan || qos) { |
| 1930 | vlan |= qos << VLAN_PRIO_SHIFT; |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1931 | status = be_set_vf_tvt(adapter, vf, vlan); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1932 | } else { |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1933 | status = be_clear_vf_tvt(adapter, vf); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1934 | } |
| 1935 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1936 | if (status) { |
| 1937 | dev_err(&adapter->pdev->dev, |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1938 | "VLAN %d config on VF %d failed : %#x\n", vlan, vf, |
| 1939 | status); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1940 | return be_cmd_status(status); |
| 1941 | } |
| 1942 | |
| 1943 | vf_cfg->vlan_tag = vlan; |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1944 | return 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1945 | } |
| 1946 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1947 | static int be_set_vf_tx_rate(struct net_device *netdev, int vf, |
| 1948 | int min_tx_rate, int max_tx_rate) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1949 | { |
| 1950 | struct be_adapter *adapter = netdev_priv(netdev); |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1951 | struct device *dev = &adapter->pdev->dev; |
| 1952 | int percent_rate, status = 0; |
| 1953 | u16 link_speed = 0; |
| 1954 | u8 link_status; |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1955 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1956 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1957 | return -EPERM; |
| 1958 | |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1959 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1960 | return -EINVAL; |
| 1961 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1962 | if (min_tx_rate) |
| 1963 | return -EINVAL; |
| 1964 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1965 | if (!max_tx_rate) |
| 1966 | goto config_qos; |
| 1967 | |
| 1968 | status = be_cmd_link_status_query(adapter, &link_speed, |
| 1969 | &link_status, 0); |
| 1970 | if (status) |
| 1971 | goto err; |
| 1972 | |
| 1973 | if (!link_status) { |
| 1974 | dev_err(dev, "TX-rate setting not allowed when link is down\n"); |
Kalesh AP | 940a3fc | 2014-07-17 16:20:19 +0530 | [diff] [blame] | 1975 | status = -ENETDOWN; |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1976 | goto err; |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1977 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1978 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1979 | if (max_tx_rate < 100 || max_tx_rate > link_speed) { |
| 1980 | dev_err(dev, "TX-rate must be between 100 and %d Mbps\n", |
| 1981 | link_speed); |
| 1982 | status = -EINVAL; |
| 1983 | goto err; |
| 1984 | } |
| 1985 | |
| 1986 | /* On Skyhawk the QOS setting must be done only as a % value */ |
| 1987 | percent_rate = link_speed / 100; |
| 1988 | if (skyhawk_chip(adapter) && (max_tx_rate % percent_rate)) { |
| 1989 | dev_err(dev, "TX-rate must be a multiple of %d Mbps\n", |
| 1990 | percent_rate); |
| 1991 | status = -EINVAL; |
| 1992 | goto err; |
| 1993 | } |
| 1994 | |
| 1995 | config_qos: |
| 1996 | status = be_cmd_config_qos(adapter, max_tx_rate, link_speed, vf + 1); |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1997 | if (status) |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1998 | goto err; |
| 1999 | |
| 2000 | adapter->vf_cfg[vf].tx_rate = max_tx_rate; |
| 2001 | return 0; |
| 2002 | |
| 2003 | err: |
| 2004 | dev_err(dev, "TX-rate setting of %dMbps on VF%d failed\n", |
| 2005 | max_tx_rate, vf); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 2006 | return be_cmd_status(status); |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 2007 | } |
Kalesh AP | e2fb1af | 2014-09-19 15:46:58 +0530 | [diff] [blame] | 2008 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 2009 | static int be_set_vf_link_state(struct net_device *netdev, int vf, |
| 2010 | int link_state) |
| 2011 | { |
| 2012 | struct be_adapter *adapter = netdev_priv(netdev); |
| 2013 | int status; |
| 2014 | |
| 2015 | if (!sriov_enabled(adapter)) |
| 2016 | return -EPERM; |
| 2017 | |
| 2018 | if (vf >= adapter->num_vfs) |
| 2019 | return -EINVAL; |
| 2020 | |
| 2021 | status = be_cmd_set_logical_link_config(adapter, link_state, vf+1); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 2022 | if (status) { |
| 2023 | dev_err(&adapter->pdev->dev, |
| 2024 | "Link state change on VF %d failed: %#x\n", vf, status); |
| 2025 | return be_cmd_status(status); |
| 2026 | } |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 2027 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 2028 | adapter->vf_cfg[vf].plink_tracking = link_state; |
| 2029 | |
| 2030 | return 0; |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 2031 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 2032 | |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 2033 | static int be_set_vf_spoofchk(struct net_device *netdev, int vf, bool enable) |
| 2034 | { |
| 2035 | struct be_adapter *adapter = netdev_priv(netdev); |
| 2036 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
| 2037 | u8 spoofchk; |
| 2038 | int status; |
| 2039 | |
| 2040 | if (!sriov_enabled(adapter)) |
| 2041 | return -EPERM; |
| 2042 | |
| 2043 | if (vf >= adapter->num_vfs) |
| 2044 | return -EINVAL; |
| 2045 | |
| 2046 | if (BEx_chip(adapter)) |
| 2047 | return -EOPNOTSUPP; |
| 2048 | |
| 2049 | if (enable == vf_cfg->spoofchk) |
| 2050 | return 0; |
| 2051 | |
| 2052 | spoofchk = enable ? ENABLE_MAC_SPOOFCHK : DISABLE_MAC_SPOOFCHK; |
| 2053 | |
| 2054 | status = be_cmd_set_hsw_config(adapter, 0, vf + 1, vf_cfg->if_handle, |
| 2055 | 0, spoofchk); |
| 2056 | if (status) { |
| 2057 | dev_err(&adapter->pdev->dev, |
| 2058 | "Spoofchk change on VF %d failed: %#x\n", vf, status); |
| 2059 | return be_cmd_status(status); |
| 2060 | } |
| 2061 | |
| 2062 | vf_cfg->spoofchk = enable; |
| 2063 | return 0; |
| 2064 | } |
| 2065 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2066 | static void be_aic_update(struct be_aic_obj *aic, u64 rx_pkts, u64 tx_pkts, |
| 2067 | ulong now) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2068 | { |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2069 | aic->rx_pkts_prev = rx_pkts; |
| 2070 | aic->tx_reqs_prev = tx_pkts; |
| 2071 | aic->jiffies = now; |
| 2072 | } |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 2073 | |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 2074 | static int be_get_new_eqd(struct be_eq_obj *eqo) |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2075 | { |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 2076 | struct be_adapter *adapter = eqo->adapter; |
| 2077 | int eqd, start; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2078 | struct be_aic_obj *aic; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2079 | struct be_rx_obj *rxo; |
| 2080 | struct be_tx_obj *txo; |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 2081 | u64 rx_pkts = 0, tx_pkts = 0; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2082 | ulong now; |
| 2083 | u32 pps, delta; |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 2084 | int i; |
| 2085 | |
| 2086 | aic = &adapter->aic_obj[eqo->idx]; |
| 2087 | if (!aic->enable) { |
| 2088 | if (aic->jiffies) |
| 2089 | aic->jiffies = 0; |
| 2090 | eqd = aic->et_eqd; |
| 2091 | return eqd; |
| 2092 | } |
| 2093 | |
| 2094 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 2095 | do { |
| 2096 | start = u64_stats_fetch_begin_irq(&rxo->stats.sync); |
| 2097 | rx_pkts += rxo->stats.rx_pkts; |
| 2098 | } while (u64_stats_fetch_retry_irq(&rxo->stats.sync, start)); |
| 2099 | } |
| 2100 | |
| 2101 | for_all_tx_queues_on_eq(adapter, eqo, txo, i) { |
| 2102 | do { |
| 2103 | start = u64_stats_fetch_begin_irq(&txo->stats.sync); |
| 2104 | tx_pkts += txo->stats.tx_reqs; |
| 2105 | } while (u64_stats_fetch_retry_irq(&txo->stats.sync, start)); |
| 2106 | } |
| 2107 | |
| 2108 | /* Skip, if wrapped around or first calculation */ |
| 2109 | now = jiffies; |
| 2110 | if (!aic->jiffies || time_before(now, aic->jiffies) || |
| 2111 | rx_pkts < aic->rx_pkts_prev || |
| 2112 | tx_pkts < aic->tx_reqs_prev) { |
| 2113 | be_aic_update(aic, rx_pkts, tx_pkts, now); |
| 2114 | return aic->prev_eqd; |
| 2115 | } |
| 2116 | |
| 2117 | delta = jiffies_to_msecs(now - aic->jiffies); |
| 2118 | if (delta == 0) |
| 2119 | return aic->prev_eqd; |
| 2120 | |
| 2121 | pps = (((u32)(rx_pkts - aic->rx_pkts_prev) * 1000) / delta) + |
| 2122 | (((u32)(tx_pkts - aic->tx_reqs_prev) * 1000) / delta); |
| 2123 | eqd = (pps / 15000) << 2; |
| 2124 | |
| 2125 | if (eqd < 8) |
| 2126 | eqd = 0; |
| 2127 | eqd = min_t(u32, eqd, aic->max_eqd); |
| 2128 | eqd = max_t(u32, eqd, aic->min_eqd); |
| 2129 | |
| 2130 | be_aic_update(aic, rx_pkts, tx_pkts, now); |
| 2131 | |
| 2132 | return eqd; |
| 2133 | } |
| 2134 | |
| 2135 | /* For Skyhawk-R only */ |
| 2136 | static u32 be_get_eq_delay_mult_enc(struct be_eq_obj *eqo) |
| 2137 | { |
| 2138 | struct be_adapter *adapter = eqo->adapter; |
| 2139 | struct be_aic_obj *aic = &adapter->aic_obj[eqo->idx]; |
| 2140 | ulong now = jiffies; |
| 2141 | int eqd; |
| 2142 | u32 mult_enc; |
| 2143 | |
| 2144 | if (!aic->enable) |
| 2145 | return 0; |
| 2146 | |
Padmanabh Ratnakar | 3c0d49a | 2016-02-03 09:49:23 +0530 | [diff] [blame] | 2147 | if (jiffies_to_msecs(now - aic->jiffies) < 1) |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 2148 | eqd = aic->prev_eqd; |
| 2149 | else |
| 2150 | eqd = be_get_new_eqd(eqo); |
| 2151 | |
| 2152 | if (eqd > 100) |
| 2153 | mult_enc = R2I_DLY_ENC_1; |
| 2154 | else if (eqd > 60) |
| 2155 | mult_enc = R2I_DLY_ENC_2; |
| 2156 | else if (eqd > 20) |
| 2157 | mult_enc = R2I_DLY_ENC_3; |
| 2158 | else |
| 2159 | mult_enc = R2I_DLY_ENC_0; |
| 2160 | |
| 2161 | aic->prev_eqd = eqd; |
| 2162 | |
| 2163 | return mult_enc; |
| 2164 | } |
| 2165 | |
| 2166 | void be_eqd_update(struct be_adapter *adapter, bool force_update) |
| 2167 | { |
| 2168 | struct be_set_eqd set_eqd[MAX_EVT_QS]; |
| 2169 | struct be_aic_obj *aic; |
| 2170 | struct be_eq_obj *eqo; |
| 2171 | int i, num = 0, eqd; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2172 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2173 | for_all_evt_queues(adapter, eqo, i) { |
| 2174 | aic = &adapter->aic_obj[eqo->idx]; |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 2175 | eqd = be_get_new_eqd(eqo); |
| 2176 | if (force_update || eqd != aic->prev_eqd) { |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2177 | set_eqd[num].delay_multiplier = (eqd * 65)/100; |
| 2178 | set_eqd[num].eq_id = eqo->q.id; |
| 2179 | aic->prev_eqd = eqd; |
| 2180 | num++; |
| 2181 | } |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 2182 | } |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2183 | |
| 2184 | if (num) |
| 2185 | be_cmd_modify_eqd(adapter, set_eqd, num); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 2186 | } |
| 2187 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2188 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2189 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 2190 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 2191 | struct be_rx_stats *stats = rx_stats(rxo); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 2192 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 2193 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2194 | stats->rx_compl++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2195 | stats->rx_bytes += rxcp->pkt_size; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2196 | stats->rx_pkts++; |
Sriharsha Basavapatna | 8670f2a | 2015-07-29 19:35:32 +0530 | [diff] [blame] | 2197 | if (rxcp->tunneled) |
| 2198 | stats->rx_vxlan_offload_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2199 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2200 | stats->rx_mcast_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2201 | if (rxcp->err) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 2202 | stats->rx_compl_err++; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 2203 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2204 | } |
| 2205 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2206 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 2207 | { |
Padmanabh Ratnakar | 19fad86 | 2011-03-07 03:08:16 +0000 | [diff] [blame] | 2208 | /* L4 checksum is not reliable for non TCP/UDP packets. |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 2209 | * Also ignore ipcksm for ipv6 pkts |
| 2210 | */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2211 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 2212 | (rxcp->ip_csum || rxcp->ipv6) && !rxcp->err; |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 2213 | } |
| 2214 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2215 | static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2216 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2217 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2218 | struct be_rx_page_info *rx_page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2219 | struct be_queue_info *rxq = &rxo->q; |
ajit.khaparde@broadcom.com | b0fd2eb | 2016-02-23 00:33:48 +0530 | [diff] [blame] | 2220 | u32 frag_idx = rxq->tail; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2221 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2222 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2223 | BUG_ON(!rx_page_info->page); |
| 2224 | |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2225 | if (rx_page_info->last_frag) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2226 | dma_unmap_page(&adapter->pdev->dev, |
| 2227 | dma_unmap_addr(rx_page_info, bus), |
| 2228 | adapter->big_page_size, DMA_FROM_DEVICE); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2229 | rx_page_info->last_frag = false; |
| 2230 | } else { |
| 2231 | dma_sync_single_for_cpu(&adapter->pdev->dev, |
| 2232 | dma_unmap_addr(rx_page_info, bus), |
| 2233 | rx_frag_size, DMA_FROM_DEVICE); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 2234 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2235 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2236 | queue_tail_inc(rxq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2237 | atomic_dec(&rxq->used); |
| 2238 | return rx_page_info; |
| 2239 | } |
| 2240 | |
| 2241 | /* Throwaway the data in the Rx completion */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2242 | static void be_rx_compl_discard(struct be_rx_obj *rxo, |
| 2243 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2244 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2245 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2246 | u16 i, num_rcvd = rxcp->num_rcvd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2247 | |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 2248 | for (i = 0; i < num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2249 | page_info = get_rx_page_info(rxo); |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 2250 | put_page(page_info->page); |
| 2251 | memset(page_info, 0, sizeof(*page_info)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2252 | } |
| 2253 | } |
| 2254 | |
| 2255 | /* |
| 2256 | * skb_fill_rx_data forms a complete skb for an ether frame |
| 2257 | * indicated by rxcp. |
| 2258 | */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2259 | static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, |
| 2260 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2261 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2262 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2263 | u16 i, j; |
| 2264 | u16 hdr_len, curr_frag_len, remaining; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2265 | u8 *start; |
| 2266 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2267 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2268 | start = page_address(page_info->page) + page_info->page_offset; |
| 2269 | prefetch(start); |
| 2270 | |
| 2271 | /* Copy data in the first descriptor of this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2272 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2273 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2274 | skb->len = curr_frag_len; |
| 2275 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 2276 | memcpy(skb->data, start, curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2277 | /* Complete packet has now been moved to data */ |
| 2278 | put_page(page_info->page); |
| 2279 | skb->data_len = 0; |
| 2280 | skb->tail += curr_frag_len; |
| 2281 | } else { |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 2282 | hdr_len = ETH_HLEN; |
| 2283 | memcpy(skb->data, start, hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2284 | skb_shinfo(skb)->nr_frags = 1; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 2285 | skb_frag_set_page(skb, 0, page_info->page); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2286 | skb_shinfo(skb)->frags[0].page_offset = |
| 2287 | page_info->page_offset + hdr_len; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2288 | skb_frag_size_set(&skb_shinfo(skb)->frags[0], |
| 2289 | curr_frag_len - hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2290 | skb->data_len = curr_frag_len - hdr_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 2291 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2292 | skb->tail += hdr_len; |
| 2293 | } |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 2294 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2295 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2296 | if (rxcp->pkt_size <= rx_frag_size) { |
| 2297 | BUG_ON(rxcp->num_rcvd != 1); |
| 2298 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2299 | } |
| 2300 | |
| 2301 | /* More frags present for this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2302 | remaining = rxcp->pkt_size - curr_frag_len; |
| 2303 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2304 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2305 | curr_frag_len = min(remaining, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2306 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 2307 | /* Coalesce all frags from the same physical page in one slot */ |
| 2308 | if (page_info->page_offset == 0) { |
| 2309 | /* Fresh page */ |
| 2310 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 2311 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 2312 | skb_shinfo(skb)->frags[j].page_offset = |
| 2313 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 2314 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 2315 | skb_shinfo(skb)->nr_frags++; |
| 2316 | } else { |
| 2317 | put_page(page_info->page); |
| 2318 | } |
| 2319 | |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 2320 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2321 | skb->len += curr_frag_len; |
| 2322 | skb->data_len += curr_frag_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 2323 | skb->truesize += rx_frag_size; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2324 | remaining -= curr_frag_len; |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 2325 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2326 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 2327 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2328 | } |
| 2329 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2330 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2331 | static void be_rx_compl_process(struct be_rx_obj *rxo, struct napi_struct *napi, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2332 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2333 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2334 | struct be_adapter *adapter = rxo->adapter; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 2335 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2336 | struct sk_buff *skb; |
Sathya Perla | 8942042 | 2010-02-17 01:35:26 +0000 | [diff] [blame] | 2337 | |
Eric Dumazet | bb349bb | 2012-01-25 03:56:30 +0000 | [diff] [blame] | 2338 | skb = netdev_alloc_skb_ip_align(netdev, BE_RX_SKB_ALLOC_SIZE); |
Sathya Perla | a058a63 | 2010-02-17 01:34:22 +0000 | [diff] [blame] | 2339 | if (unlikely(!skb)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 2340 | rx_stats(rxo)->rx_drops_no_skbs++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2341 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2342 | return; |
| 2343 | } |
| 2344 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2345 | skb_fill_rx_data(rxo, skb, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2346 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 2347 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 2348 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | c6ce2f4 | 2010-10-25 01:11:58 +0000 | [diff] [blame] | 2349 | else |
| 2350 | skb_checksum_none_assert(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2351 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 2352 | skb->protocol = eth_type_trans(skb, netdev); |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 2353 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2354 | if (netdev->features & NETIF_F_RXHASH) |
Tom Herbert | d2464c8 | 2013-12-17 23:23:51 -0800 | [diff] [blame] | 2355 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 2356 | |
Tom Herbert | b6c0e89 | 2014-08-27 21:27:17 -0700 | [diff] [blame] | 2357 | skb->csum_level = rxcp->tunneled; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2358 | skb_mark_napi_id(skb, napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2359 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 2360 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 2361 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 2362 | |
| 2363 | netif_receive_skb(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2364 | } |
| 2365 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2366 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 2367 | static void be_rx_compl_process_gro(struct be_rx_obj *rxo, |
| 2368 | struct napi_struct *napi, |
| 2369 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2370 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2371 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2372 | struct be_rx_page_info *page_info; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2373 | struct sk_buff *skb = NULL; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2374 | u16 remaining, curr_frag_len; |
| 2375 | u16 i, j; |
Ajit Khaparde | 3968fa1 | 2011-02-20 11:41:53 +0000 | [diff] [blame] | 2376 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2377 | skb = napi_get_frags(napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2378 | if (!skb) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2379 | be_rx_compl_discard(rxo, rxcp); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2380 | return; |
| 2381 | } |
| 2382 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2383 | remaining = rxcp->pkt_size; |
| 2384 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2385 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2386 | |
| 2387 | curr_frag_len = min(remaining, rx_frag_size); |
| 2388 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 2389 | /* Coalesce all frags from the same physical page in one slot */ |
| 2390 | if (i == 0 || page_info->page_offset == 0) { |
| 2391 | /* First frag or Fresh page */ |
| 2392 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 2393 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2394 | skb_shinfo(skb)->frags[j].page_offset = |
| 2395 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 2396 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 2397 | } else { |
| 2398 | put_page(page_info->page); |
| 2399 | } |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 2400 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 2401 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2402 | remaining -= curr_frag_len; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2403 | memset(page_info, 0, sizeof(*page_info)); |
| 2404 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 2405 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2406 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2407 | skb_shinfo(skb)->nr_frags = j + 1; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2408 | skb->len = rxcp->pkt_size; |
| 2409 | skb->data_len = rxcp->pkt_size; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2410 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 2411 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 2412 | if (adapter->netdev->features & NETIF_F_RXHASH) |
Tom Herbert | d2464c8 | 2013-12-17 23:23:51 -0800 | [diff] [blame] | 2413 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 2414 | |
Tom Herbert | b6c0e89 | 2014-08-27 21:27:17 -0700 | [diff] [blame] | 2415 | skb->csum_level = rxcp->tunneled; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 2416 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 2417 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 2418 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 2419 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2420 | napi_gro_frags(napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2421 | } |
| 2422 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2423 | static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, |
| 2424 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2425 | { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 2426 | rxcp->pkt_size = GET_RX_COMPL_V1_BITS(pktsize, compl); |
| 2427 | rxcp->vlanf = GET_RX_COMPL_V1_BITS(vtp, compl); |
| 2428 | rxcp->err = GET_RX_COMPL_V1_BITS(err, compl); |
| 2429 | rxcp->tcpf = GET_RX_COMPL_V1_BITS(tcpf, compl); |
| 2430 | rxcp->udpf = GET_RX_COMPL_V1_BITS(udpf, compl); |
| 2431 | rxcp->ip_csum = GET_RX_COMPL_V1_BITS(ipcksm, compl); |
| 2432 | rxcp->l4_csum = GET_RX_COMPL_V1_BITS(l4_cksm, compl); |
| 2433 | rxcp->ipv6 = GET_RX_COMPL_V1_BITS(ip_version, compl); |
| 2434 | rxcp->num_rcvd = GET_RX_COMPL_V1_BITS(numfrags, compl); |
| 2435 | rxcp->pkt_type = GET_RX_COMPL_V1_BITS(cast_enc, compl); |
| 2436 | rxcp->rss_hash = GET_RX_COMPL_V1_BITS(rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2437 | if (rxcp->vlanf) { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 2438 | rxcp->qnq = GET_RX_COMPL_V1_BITS(qnq, compl); |
| 2439 | rxcp->vlan_tag = GET_RX_COMPL_V1_BITS(vlan_tag, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2440 | } |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 2441 | rxcp->port = GET_RX_COMPL_V1_BITS(port, compl); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 2442 | rxcp->tunneled = |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 2443 | GET_RX_COMPL_V1_BITS(tunneled, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2444 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2445 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2446 | static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, |
| 2447 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2448 | { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 2449 | rxcp->pkt_size = GET_RX_COMPL_V0_BITS(pktsize, compl); |
| 2450 | rxcp->vlanf = GET_RX_COMPL_V0_BITS(vtp, compl); |
| 2451 | rxcp->err = GET_RX_COMPL_V0_BITS(err, compl); |
| 2452 | rxcp->tcpf = GET_RX_COMPL_V0_BITS(tcpf, compl); |
| 2453 | rxcp->udpf = GET_RX_COMPL_V0_BITS(udpf, compl); |
| 2454 | rxcp->ip_csum = GET_RX_COMPL_V0_BITS(ipcksm, compl); |
| 2455 | rxcp->l4_csum = GET_RX_COMPL_V0_BITS(l4_cksm, compl); |
| 2456 | rxcp->ipv6 = GET_RX_COMPL_V0_BITS(ip_version, compl); |
| 2457 | rxcp->num_rcvd = GET_RX_COMPL_V0_BITS(numfrags, compl); |
| 2458 | rxcp->pkt_type = GET_RX_COMPL_V0_BITS(cast_enc, compl); |
| 2459 | rxcp->rss_hash = GET_RX_COMPL_V0_BITS(rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2460 | if (rxcp->vlanf) { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 2461 | rxcp->qnq = GET_RX_COMPL_V0_BITS(qnq, compl); |
| 2462 | rxcp->vlan_tag = GET_RX_COMPL_V0_BITS(vlan_tag, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2463 | } |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 2464 | rxcp->port = GET_RX_COMPL_V0_BITS(port, compl); |
| 2465 | rxcp->ip_frag = GET_RX_COMPL_V0_BITS(ip_frag, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2466 | } |
| 2467 | |
| 2468 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) |
| 2469 | { |
| 2470 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); |
| 2471 | struct be_rx_compl_info *rxcp = &rxo->rxcp; |
| 2472 | struct be_adapter *adapter = rxo->adapter; |
| 2473 | |
| 2474 | /* For checking the valid bit it is Ok to use either definition as the |
| 2475 | * valid bit is at the same position in both v0 and v1 Rx compl */ |
| 2476 | if (compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] == 0) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2477 | return NULL; |
| 2478 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 2479 | rmb(); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2480 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
| 2481 | |
| 2482 | if (adapter->be3_native) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2483 | be_parse_rx_compl_v1(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2484 | else |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2485 | be_parse_rx_compl_v0(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2486 | |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 2487 | if (rxcp->ip_frag) |
| 2488 | rxcp->l4_csum = 0; |
| 2489 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2490 | if (rxcp->vlanf) { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 2491 | /* In QNQ modes, if qnq bit is not set, then the packet was |
| 2492 | * tagged only with the transparent outer vlan-tag and must |
| 2493 | * not be treated as a vlan packet by host |
| 2494 | */ |
| 2495 | if (be_is_qnq_mode(adapter) && !rxcp->qnq) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2496 | rxcp->vlanf = 0; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2497 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2498 | if (!lancer_chip(adapter)) |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 2499 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2500 | |
Somnath Kotur | 939cf30 | 2011-08-18 21:51:49 -0700 | [diff] [blame] | 2501 | if (adapter->pvid == (rxcp->vlan_tag & VLAN_VID_MASK) && |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 2502 | !test_bit(rxcp->vlan_tag, adapter->vids)) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2503 | rxcp->vlanf = 0; |
| 2504 | } |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2505 | |
| 2506 | /* As the compl has been parsed, reset it; we wont touch it again */ |
| 2507 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2508 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2509 | queue_tail_inc(&rxo->cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2510 | return rxcp; |
| 2511 | } |
| 2512 | |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2513 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2514 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2515 | u32 order = get_order(size); |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2516 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2517 | if (order > 0) |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2518 | gfp |= __GFP_COMP; |
| 2519 | return alloc_pages(gfp, order); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2520 | } |
| 2521 | |
| 2522 | /* |
| 2523 | * Allocate a page, split it to fragments of size rx_frag_size and post as |
| 2524 | * receive buffers to BE |
| 2525 | */ |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2526 | static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp, u32 frags_needed) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2527 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2528 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 2529 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2530 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2531 | struct page *pagep = NULL; |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2532 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2533 | struct be_eth_rx_d *rxd; |
| 2534 | u64 page_dmaaddr = 0, frag_dmaaddr; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2535 | u32 posted, page_offset = 0, notify = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2536 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2537 | page_info = &rxo->page_info_tbl[rxq->head]; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2538 | for (posted = 0; posted < frags_needed && !page_info->page; posted++) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2539 | if (!pagep) { |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2540 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2541 | if (unlikely(!pagep)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 2542 | rx_stats(rxo)->rx_post_fail++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2543 | break; |
| 2544 | } |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2545 | page_dmaaddr = dma_map_page(dev, pagep, 0, |
| 2546 | adapter->big_page_size, |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2547 | DMA_FROM_DEVICE); |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2548 | if (dma_mapping_error(dev, page_dmaaddr)) { |
| 2549 | put_page(pagep); |
| 2550 | pagep = NULL; |
Vasundhara Volam | d3de154 | 2014-09-02 09:56:50 +0530 | [diff] [blame] | 2551 | adapter->drv_stats.dma_map_errors++; |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2552 | break; |
| 2553 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2554 | page_offset = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2555 | } else { |
| 2556 | get_page(pagep); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2557 | page_offset += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2558 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2559 | page_info->page_offset = page_offset; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2560 | page_info->page = pagep; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2561 | |
| 2562 | rxd = queue_head_node(rxq); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2563 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2564 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); |
| 2565 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2566 | |
| 2567 | /* Any space left in the current big page for another frag? */ |
| 2568 | if ((page_offset + rx_frag_size + rx_frag_size) > |
| 2569 | adapter->big_page_size) { |
| 2570 | pagep = NULL; |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2571 | page_info->last_frag = true; |
| 2572 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
| 2573 | } else { |
| 2574 | dma_unmap_addr_set(page_info, bus, frag_dmaaddr); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2575 | } |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 2576 | |
| 2577 | prev_page_info = page_info; |
| 2578 | queue_head_inc(rxq); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2579 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2580 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2581 | |
| 2582 | /* Mark the last frag of a page when we break out of the above loop |
| 2583 | * with no more slots available in the RXQ |
| 2584 | */ |
| 2585 | if (pagep) { |
| 2586 | prev_page_info->last_frag = true; |
| 2587 | dma_unmap_addr_set(prev_page_info, bus, page_dmaaddr); |
| 2588 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2589 | |
| 2590 | if (posted) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2591 | atomic_add(posted, &rxq->used); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2592 | if (rxo->rx_post_starved) |
| 2593 | rxo->rx_post_starved = false; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2594 | do { |
Ajit Khaparde | 69304cc | 2015-04-08 16:59:48 -0500 | [diff] [blame] | 2595 | notify = min(MAX_NUM_POST_ERX_DB, posted); |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2596 | be_rxq_notify(adapter, rxq->id, notify); |
| 2597 | posted -= notify; |
| 2598 | } while (posted); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 2599 | } else if (atomic_read(&rxq->used) == 0) { |
| 2600 | /* Let be_worker replenish when memory is available */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2601 | rxo->rx_post_starved = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2602 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2603 | } |
| 2604 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2605 | static struct be_tx_compl_info *be_tx_compl_get(struct be_tx_obj *txo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2606 | { |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2607 | struct be_queue_info *tx_cq = &txo->cq; |
| 2608 | struct be_tx_compl_info *txcp = &txo->txcp; |
| 2609 | struct be_eth_tx_compl *compl = queue_tail_node(tx_cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2610 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2611 | if (compl->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2612 | return NULL; |
| 2613 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2614 | /* Ensure load ordering of valid bit dword and other dwords below */ |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 2615 | rmb(); |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2616 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2617 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2618 | txcp->status = GET_TX_COMPL_BITS(status, compl); |
| 2619 | txcp->end_index = GET_TX_COMPL_BITS(wrb_index, compl); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2620 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2621 | compl->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2622 | queue_tail_inc(tx_cq); |
| 2623 | return txcp; |
| 2624 | } |
| 2625 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2626 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2627 | struct be_tx_obj *txo, u16 last_index) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2628 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2629 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2630 | struct be_queue_info *txq = &txo->q; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2631 | struct sk_buff *skb = NULL; |
| 2632 | bool unmap_skb_hdr = false; |
| 2633 | struct be_eth_wrb *wrb; |
ajit.khaparde@broadcom.com | b0fd2eb | 2016-02-23 00:33:48 +0530 | [diff] [blame] | 2634 | u16 num_wrbs = 0; |
| 2635 | u32 frag_index; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2636 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 2637 | do { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2638 | if (sent_skbs[txq->tail]) { |
| 2639 | /* Free skb from prev req */ |
| 2640 | if (skb) |
| 2641 | dev_consume_skb_any(skb); |
| 2642 | skb = sent_skbs[txq->tail]; |
| 2643 | sent_skbs[txq->tail] = NULL; |
| 2644 | queue_tail_inc(txq); /* skip hdr wrb */ |
| 2645 | num_wrbs++; |
| 2646 | unmap_skb_hdr = true; |
| 2647 | } |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 2648 | wrb = queue_tail_node(txq); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2649 | frag_index = txq->tail; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2650 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2651 | (unmap_skb_hdr && skb_headlen(skb))); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 2652 | unmap_skb_hdr = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2653 | queue_tail_inc(txq); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2654 | num_wrbs++; |
| 2655 | } while (frag_index != last_index); |
| 2656 | dev_consume_skb_any(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2657 | |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 2658 | return num_wrbs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2659 | } |
| 2660 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2661 | /* Return the number of events in the event queue */ |
| 2662 | static inline int events_get(struct be_eq_obj *eqo) |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2663 | { |
| 2664 | struct be_eq_entry *eqe; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2665 | int num = 0; |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2666 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2667 | do { |
| 2668 | eqe = queue_tail_node(&eqo->q); |
| 2669 | if (eqe->evt == 0) |
| 2670 | break; |
| 2671 | |
| 2672 | rmb(); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2673 | eqe->evt = 0; |
| 2674 | num++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2675 | queue_tail_inc(&eqo->q); |
| 2676 | } while (true); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2677 | |
| 2678 | return num; |
| 2679 | } |
| 2680 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2681 | /* Leaves the EQ is disarmed state */ |
| 2682 | static void be_eq_clean(struct be_eq_obj *eqo) |
| 2683 | { |
| 2684 | int num = events_get(eqo); |
| 2685 | |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 2686 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, num, 0); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2687 | } |
| 2688 | |
Kalesh AP | 99b4430 | 2015-08-05 03:27:49 -0400 | [diff] [blame] | 2689 | /* Free posted rx buffers that were not used */ |
| 2690 | static void be_rxq_clean(struct be_rx_obj *rxo) |
| 2691 | { |
| 2692 | struct be_queue_info *rxq = &rxo->q; |
| 2693 | struct be_rx_page_info *page_info; |
| 2694 | |
| 2695 | while (atomic_read(&rxq->used) > 0) { |
| 2696 | page_info = get_rx_page_info(rxo); |
| 2697 | put_page(page_info->page); |
| 2698 | memset(page_info, 0, sizeof(*page_info)); |
| 2699 | } |
| 2700 | BUG_ON(atomic_read(&rxq->used)); |
| 2701 | rxq->tail = 0; |
| 2702 | rxq->head = 0; |
| 2703 | } |
| 2704 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2705 | static void be_rx_cq_clean(struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2706 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2707 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2708 | struct be_rx_compl_info *rxcp; |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2709 | struct be_adapter *adapter = rxo->adapter; |
| 2710 | int flush_wait = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2711 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2712 | /* Consume pending rx completions. |
| 2713 | * Wait for the flush completion (identified by zero num_rcvd) |
| 2714 | * to arrive. Notify CQ even when there are no more CQ entries |
| 2715 | * for HW to flush partially coalesced CQ entries. |
| 2716 | * In Lancer, there is no need to wait for flush compl. |
| 2717 | */ |
| 2718 | for (;;) { |
| 2719 | rxcp = be_rx_compl_get(rxo); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 2720 | if (!rxcp) { |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2721 | if (lancer_chip(adapter)) |
| 2722 | break; |
| 2723 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 2724 | if (flush_wait++ > 50 || |
| 2725 | be_check_error(adapter, |
| 2726 | BE_ERROR_HW)) { |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2727 | dev_warn(&adapter->pdev->dev, |
| 2728 | "did not receive flush compl\n"); |
| 2729 | break; |
| 2730 | } |
| 2731 | be_cq_notify(adapter, rx_cq->id, true, 0); |
| 2732 | mdelay(1); |
| 2733 | } else { |
| 2734 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 3f5dffe | 2013-05-08 02:05:49 +0000 | [diff] [blame] | 2735 | be_cq_notify(adapter, rx_cq->id, false, 1); |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2736 | if (rxcp->num_rcvd == 0) |
| 2737 | break; |
| 2738 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2739 | } |
| 2740 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2741 | /* After cleanup, leave the CQ in unarmed state */ |
| 2742 | be_cq_notify(adapter, rx_cq->id, false, 0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2743 | } |
| 2744 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2745 | static void be_tx_compl_clean(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2746 | { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2747 | struct device *dev = &adapter->pdev->dev; |
ajit.khaparde@broadcom.com | b0fd2eb | 2016-02-23 00:33:48 +0530 | [diff] [blame] | 2748 | u16 cmpl = 0, timeo = 0, num_wrbs = 0; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2749 | struct be_tx_compl_info *txcp; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2750 | struct be_queue_info *txq; |
ajit.khaparde@broadcom.com | b0fd2eb | 2016-02-23 00:33:48 +0530 | [diff] [blame] | 2751 | u32 end_idx, notified_idx; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2752 | struct be_tx_obj *txo; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2753 | int i, pending_txqs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2754 | |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2755 | /* Stop polling for compls when HW has been silent for 10ms */ |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2756 | do { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2757 | pending_txqs = adapter->num_tx_qs; |
| 2758 | |
| 2759 | for_all_tx_queues(adapter, txo, i) { |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2760 | cmpl = 0; |
| 2761 | num_wrbs = 0; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2762 | txq = &txo->q; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2763 | while ((txcp = be_tx_compl_get(txo))) { |
| 2764 | num_wrbs += |
| 2765 | be_tx_compl_process(adapter, txo, |
| 2766 | txcp->end_index); |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2767 | cmpl++; |
| 2768 | } |
| 2769 | if (cmpl) { |
| 2770 | be_cq_notify(adapter, txo->cq.id, false, cmpl); |
| 2771 | atomic_sub(num_wrbs, &txq->used); |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2772 | timeo = 0; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2773 | } |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 2774 | if (!be_is_tx_compl_pending(txo)) |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2775 | pending_txqs--; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2776 | } |
| 2777 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 2778 | if (pending_txqs == 0 || ++timeo > 10 || |
| 2779 | be_check_error(adapter, BE_ERROR_HW)) |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2780 | break; |
| 2781 | |
| 2782 | mdelay(1); |
| 2783 | } while (true); |
| 2784 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2785 | /* Free enqueued TX that was never notified to HW */ |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2786 | for_all_tx_queues(adapter, txo, i) { |
| 2787 | txq = &txo->q; |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2788 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2789 | if (atomic_read(&txq->used)) { |
| 2790 | dev_info(dev, "txq%d: cleaning %d pending tx-wrbs\n", |
| 2791 | i, atomic_read(&txq->used)); |
| 2792 | notified_idx = txq->tail; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2793 | end_idx = txq->tail; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2794 | index_adv(&end_idx, atomic_read(&txq->used) - 1, |
| 2795 | txq->len); |
| 2796 | /* Use the tx-compl process logic to handle requests |
| 2797 | * that were not sent to the HW. |
| 2798 | */ |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2799 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); |
| 2800 | atomic_sub(num_wrbs, &txq->used); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2801 | BUG_ON(atomic_read(&txq->used)); |
| 2802 | txo->pend_wrb_cnt = 0; |
| 2803 | /* Since hw was never notified of these requests, |
| 2804 | * reset TXQ indices |
| 2805 | */ |
| 2806 | txq->head = notified_idx; |
| 2807 | txq->tail = notified_idx; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2808 | } |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2809 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2810 | } |
| 2811 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2812 | static void be_evt_queues_destroy(struct be_adapter *adapter) |
| 2813 | { |
| 2814 | struct be_eq_obj *eqo; |
| 2815 | int i; |
| 2816 | |
| 2817 | for_all_evt_queues(adapter, eqo, i) { |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 2818 | if (eqo->q.created) { |
| 2819 | be_eq_clean(eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2820 | be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2821 | netif_napi_del(&eqo->napi); |
Kalesh AP | 649886a | 2015-08-05 03:27:50 -0400 | [diff] [blame] | 2822 | free_cpumask_var(eqo->affinity_mask); |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 2823 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2824 | be_queue_free(adapter, &eqo->q); |
| 2825 | } |
| 2826 | } |
| 2827 | |
| 2828 | static int be_evt_queues_create(struct be_adapter *adapter) |
| 2829 | { |
| 2830 | struct be_queue_info *eq; |
| 2831 | struct be_eq_obj *eqo; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2832 | struct be_aic_obj *aic; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2833 | int i, rc; |
| 2834 | |
Sathya Perla | e261768 | 2016-06-22 08:54:54 -0400 | [diff] [blame] | 2835 | /* need enough EQs to service both RX and TX queues */ |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2836 | adapter->num_evt_qs = min_t(u16, num_irqs(adapter), |
Sathya Perla | e261768 | 2016-06-22 08:54:54 -0400 | [diff] [blame] | 2837 | max(adapter->cfg_num_rx_irqs, |
| 2838 | adapter->cfg_num_tx_irqs)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2839 | |
| 2840 | for_all_evt_queues(adapter, eqo, i) { |
Rusty Russell | f36963c | 2015-05-09 03:14:13 +0930 | [diff] [blame] | 2841 | int numa_node = dev_to_node(&adapter->pdev->dev); |
Kalesh AP | 649886a | 2015-08-05 03:27:50 -0400 | [diff] [blame] | 2842 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2843 | aic = &adapter->aic_obj[i]; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2844 | eqo->adapter = adapter; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2845 | eqo->idx = i; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2846 | aic->max_eqd = BE_MAX_EQD; |
| 2847 | aic->enable = true; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2848 | |
| 2849 | eq = &eqo->q; |
| 2850 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2851 | sizeof(struct be_eq_entry)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2852 | if (rc) |
| 2853 | return rc; |
| 2854 | |
Sathya Perla | f2f781a | 2013-08-27 16:57:30 +0530 | [diff] [blame] | 2855 | rc = be_cmd_eq_create(adapter, eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2856 | if (rc) |
| 2857 | return rc; |
Kalesh AP | 649886a | 2015-08-05 03:27:50 -0400 | [diff] [blame] | 2858 | |
| 2859 | if (!zalloc_cpumask_var(&eqo->affinity_mask, GFP_KERNEL)) |
| 2860 | return -ENOMEM; |
| 2861 | cpumask_set_cpu(cpumask_local_spread(i, numa_node), |
| 2862 | eqo->affinity_mask); |
| 2863 | netif_napi_add(adapter->netdev, &eqo->napi, be_poll, |
| 2864 | BE_NAPI_WEIGHT); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2865 | } |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 2866 | return 0; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2867 | } |
| 2868 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2869 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
| 2870 | { |
| 2871 | struct be_queue_info *q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2872 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2873 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2874 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2875 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2876 | be_queue_free(adapter, q); |
| 2877 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2878 | q = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2879 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2880 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2881 | be_queue_free(adapter, q); |
| 2882 | } |
| 2883 | |
| 2884 | /* Must be called only after TX qs are created as MCC shares TX EQ */ |
| 2885 | static int be_mcc_queues_create(struct be_adapter *adapter) |
| 2886 | { |
| 2887 | struct be_queue_info *q, *cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2888 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2889 | cq = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2890 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2891 | sizeof(struct be_mcc_compl))) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2892 | goto err; |
| 2893 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2894 | /* Use the default EQ for MCC completions */ |
| 2895 | if (be_cmd_cq_create(adapter, cq, &mcc_eqo(adapter)->q, true, 0)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2896 | goto mcc_cq_free; |
| 2897 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2898 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2899 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
| 2900 | goto mcc_cq_destroy; |
| 2901 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2902 | if (be_cmd_mccq_create(adapter, q, cq)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2903 | goto mcc_q_free; |
| 2904 | |
| 2905 | return 0; |
| 2906 | |
| 2907 | mcc_q_free: |
| 2908 | be_queue_free(adapter, q); |
| 2909 | mcc_cq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2910 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2911 | mcc_cq_free: |
| 2912 | be_queue_free(adapter, cq); |
| 2913 | err: |
| 2914 | return -1; |
| 2915 | } |
| 2916 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2917 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
| 2918 | { |
| 2919 | struct be_queue_info *q; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2920 | struct be_tx_obj *txo; |
| 2921 | u8 i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2922 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2923 | for_all_tx_queues(adapter, txo, i) { |
| 2924 | q = &txo->q; |
| 2925 | if (q->created) |
| 2926 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
| 2927 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2928 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2929 | q = &txo->cq; |
| 2930 | if (q->created) |
| 2931 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2932 | be_queue_free(adapter, q); |
| 2933 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2934 | } |
| 2935 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 2936 | static int be_tx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2937 | { |
Sathya Perla | 73f394e | 2015-03-26 03:05:09 -0400 | [diff] [blame] | 2938 | struct be_queue_info *cq; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2939 | struct be_tx_obj *txo; |
Sathya Perla | 73f394e | 2015-03-26 03:05:09 -0400 | [diff] [blame] | 2940 | struct be_eq_obj *eqo; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2941 | int status, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2942 | |
Sathya Perla | e261768 | 2016-06-22 08:54:54 -0400 | [diff] [blame] | 2943 | adapter->num_tx_qs = min(adapter->num_evt_qs, adapter->cfg_num_tx_irqs); |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 2944 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2945 | for_all_tx_queues(adapter, txo, i) { |
| 2946 | cq = &txo->cq; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2947 | status = be_queue_alloc(adapter, cq, TX_CQ_LEN, |
| 2948 | sizeof(struct be_eth_tx_compl)); |
| 2949 | if (status) |
| 2950 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2951 | |
John Stultz | 827da44 | 2013-10-07 15:51:58 -0700 | [diff] [blame] | 2952 | u64_stats_init(&txo->stats.sync); |
| 2953 | u64_stats_init(&txo->stats.sync_compl); |
| 2954 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2955 | /* If num_evt_qs is less than num_tx_qs, then more than |
| 2956 | * one txq share an eq |
| 2957 | */ |
Sathya Perla | 73f394e | 2015-03-26 03:05:09 -0400 | [diff] [blame] | 2958 | eqo = &adapter->eq_obj[i % adapter->num_evt_qs]; |
| 2959 | status = be_cmd_cq_create(adapter, cq, &eqo->q, false, 3); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2960 | if (status) |
| 2961 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2962 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2963 | status = be_queue_alloc(adapter, &txo->q, TX_Q_LEN, |
| 2964 | sizeof(struct be_eth_wrb)); |
| 2965 | if (status) |
| 2966 | return status; |
| 2967 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 2968 | status = be_cmd_txq_create(adapter, txo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2969 | if (status) |
| 2970 | return status; |
Sathya Perla | 73f394e | 2015-03-26 03:05:09 -0400 | [diff] [blame] | 2971 | |
| 2972 | netif_set_xps_queue(adapter->netdev, eqo->affinity_mask, |
| 2973 | eqo->idx); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2974 | } |
| 2975 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2976 | dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n", |
| 2977 | adapter->num_tx_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2978 | return 0; |
| 2979 | } |
| 2980 | |
| 2981 | static void be_rx_cqs_destroy(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2982 | { |
| 2983 | struct be_queue_info *q; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2984 | struct be_rx_obj *rxo; |
| 2985 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2986 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2987 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2988 | q = &rxo->cq; |
| 2989 | if (q->created) |
| 2990 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2991 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2992 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2993 | } |
| 2994 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2995 | static int be_rx_cqs_create(struct be_adapter *adapter) |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2996 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2997 | struct be_queue_info *eq, *cq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2998 | struct be_rx_obj *rxo; |
| 2999 | int rc, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3000 | |
Sathya Perla | e261768 | 2016-06-22 08:54:54 -0400 | [diff] [blame] | 3001 | adapter->num_rss_qs = |
| 3002 | min(adapter->num_evt_qs, adapter->cfg_num_rx_irqs); |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3003 | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3004 | /* We'll use RSS only if atleast 2 RSS rings are supported. */ |
Sathya Perla | e261768 | 2016-06-22 08:54:54 -0400 | [diff] [blame] | 3005 | if (adapter->num_rss_qs < 2) |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3006 | adapter->num_rss_qs = 0; |
| 3007 | |
| 3008 | adapter->num_rx_qs = adapter->num_rss_qs + adapter->need_def_rxq; |
| 3009 | |
| 3010 | /* When the interface is not capable of RSS rings (and there is no |
| 3011 | * need to create a default RXQ) we'll still need one RXQ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3012 | */ |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3013 | if (adapter->num_rx_qs == 0) |
| 3014 | adapter->num_rx_qs = 1; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3015 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3016 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3017 | for_all_rx_queues(adapter, rxo, i) { |
| 3018 | rxo->adapter = adapter; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3019 | cq = &rxo->cq; |
| 3020 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3021 | sizeof(struct be_eth_rx_compl)); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3022 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3023 | return rc; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3024 | |
John Stultz | 827da44 | 2013-10-07 15:51:58 -0700 | [diff] [blame] | 3025 | u64_stats_init(&rxo->stats.sync); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3026 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 3027 | rc = be_cmd_cq_create(adapter, cq, eq, false, 3); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3028 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3029 | return rc; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3030 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3031 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 3032 | dev_info(&adapter->pdev->dev, |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3033 | "created %d RX queue(s)\n", adapter->num_rx_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3034 | return 0; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 3035 | } |
| 3036 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3037 | static irqreturn_t be_intx(int irq, void *dev) |
| 3038 | { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3039 | struct be_eq_obj *eqo = dev; |
| 3040 | struct be_adapter *adapter = eqo->adapter; |
| 3041 | int num_evts = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3042 | |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 3043 | /* IRQ is not expected when NAPI is scheduled as the EQ |
| 3044 | * will not be armed. |
| 3045 | * But, this can happen on Lancer INTx where it takes |
| 3046 | * a while to de-assert INTx or in BE2 where occasionaly |
| 3047 | * an interrupt may be raised even when EQ is unarmed. |
| 3048 | * If NAPI is already scheduled, then counting & notifying |
| 3049 | * events will orphan them. |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3050 | */ |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 3051 | if (napi_schedule_prep(&eqo->napi)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3052 | num_evts = events_get(eqo); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 3053 | __napi_schedule(&eqo->napi); |
| 3054 | if (num_evts) |
| 3055 | eqo->spurious_intr = 0; |
| 3056 | } |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 3057 | be_eq_notify(adapter, eqo->q.id, false, true, num_evts, 0); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 3058 | |
| 3059 | /* Return IRQ_HANDLED only for the the first spurious intr |
| 3060 | * after a valid intr to stop the kernel from branding |
| 3061 | * this irq as a bad one! |
| 3062 | */ |
| 3063 | if (num_evts || eqo->spurious_intr++ == 0) |
| 3064 | return IRQ_HANDLED; |
| 3065 | else |
| 3066 | return IRQ_NONE; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3067 | } |
| 3068 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3069 | static irqreturn_t be_msix(int irq, void *dev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3070 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3071 | struct be_eq_obj *eqo = dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3072 | |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 3073 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0, 0); |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 3074 | napi_schedule(&eqo->napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3075 | return IRQ_HANDLED; |
| 3076 | } |
| 3077 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 3078 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3079 | { |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 3080 | return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3081 | } |
| 3082 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3083 | static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3084 | int budget, int polling) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3085 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3086 | struct be_adapter *adapter = rxo->adapter; |
| 3087 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 3088 | struct be_rx_compl_info *rxcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3089 | u32 work_done; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 3090 | u32 frags_consumed = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3091 | |
| 3092 | for (work_done = 0; work_done < budget; work_done++) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3093 | rxcp = be_rx_compl_get(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3094 | if (!rxcp) |
| 3095 | break; |
| 3096 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 3097 | /* Is it a flush compl that has no data */ |
| 3098 | if (unlikely(rxcp->num_rcvd == 0)) |
| 3099 | goto loop_continue; |
| 3100 | |
| 3101 | /* Discard compl with partial DMA Lancer B0 */ |
| 3102 | if (unlikely(!rxcp->pkt_size)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3103 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 3104 | goto loop_continue; |
Sathya Perla | 6464281 | 2010-12-01 01:04:17 +0000 | [diff] [blame] | 3105 | } |
Padmanabh Ratnakar | 009dd87 | 2011-05-10 05:12:17 +0000 | [diff] [blame] | 3106 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 3107 | /* On BE drop pkts that arrive due to imperfect filtering in |
| 3108 | * promiscuous mode on some skews |
| 3109 | */ |
| 3110 | if (unlikely(rxcp->port != adapter->port_num && |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3111 | !lancer_chip(adapter))) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3112 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 3113 | goto loop_continue; |
| 3114 | } |
| 3115 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3116 | /* Don't do gro when we're busy_polling */ |
| 3117 | if (do_gro(rxcp) && polling != BUSY_POLLING) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3118 | be_rx_compl_process_gro(rxo, napi, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 3119 | else |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3120 | be_rx_compl_process(rxo, napi, rxcp); |
| 3121 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 3122 | loop_continue: |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 3123 | frags_consumed += rxcp->num_rcvd; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 3124 | be_rx_stats_update(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3125 | } |
| 3126 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3127 | if (work_done) { |
| 3128 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
Padmanabh Ratnakar | 9372cac | 2011-11-03 01:49:55 +0000 | [diff] [blame] | 3129 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3130 | /* When an rx-obj gets into post_starved state, just |
| 3131 | * let be_worker do the posting. |
| 3132 | */ |
| 3133 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM && |
| 3134 | !rxo->rx_post_starved) |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 3135 | be_post_rx_frags(rxo, GFP_ATOMIC, |
| 3136 | max_t(u32, MAX_RX_POST, |
| 3137 | frags_consumed)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3138 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3139 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3140 | return work_done; |
| 3141 | } |
| 3142 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 3143 | static inline void be_update_tx_err(struct be_tx_obj *txo, u8 status) |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 3144 | { |
| 3145 | switch (status) { |
| 3146 | case BE_TX_COMP_HDR_PARSE_ERR: |
| 3147 | tx_stats(txo)->tx_hdr_parse_err++; |
| 3148 | break; |
| 3149 | case BE_TX_COMP_NDMA_ERR: |
| 3150 | tx_stats(txo)->tx_dma_err++; |
| 3151 | break; |
| 3152 | case BE_TX_COMP_ACL_ERR: |
| 3153 | tx_stats(txo)->tx_spoof_check_err++; |
| 3154 | break; |
| 3155 | } |
| 3156 | } |
| 3157 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 3158 | static inline void lancer_update_tx_err(struct be_tx_obj *txo, u8 status) |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 3159 | { |
| 3160 | switch (status) { |
| 3161 | case LANCER_TX_COMP_LSO_ERR: |
| 3162 | tx_stats(txo)->tx_tso_err++; |
| 3163 | break; |
| 3164 | case LANCER_TX_COMP_HSW_DROP_MAC_ERR: |
| 3165 | case LANCER_TX_COMP_HSW_DROP_VLAN_ERR: |
| 3166 | tx_stats(txo)->tx_spoof_check_err++; |
| 3167 | break; |
| 3168 | case LANCER_TX_COMP_QINQ_ERR: |
| 3169 | tx_stats(txo)->tx_qinq_err++; |
| 3170 | break; |
| 3171 | case LANCER_TX_COMP_PARITY_ERR: |
| 3172 | tx_stats(txo)->tx_internal_parity_err++; |
| 3173 | break; |
| 3174 | case LANCER_TX_COMP_DMA_ERR: |
| 3175 | tx_stats(txo)->tx_dma_err++; |
| 3176 | break; |
| 3177 | } |
| 3178 | } |
| 3179 | |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 3180 | static void be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 3181 | int idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3182 | { |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 3183 | int num_wrbs = 0, work_done = 0; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 3184 | struct be_tx_compl_info *txcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3185 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 3186 | while ((txcp = be_tx_compl_get(txo))) { |
| 3187 | num_wrbs += be_tx_compl_process(adapter, txo, txcp->end_index); |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 3188 | work_done++; |
| 3189 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 3190 | if (txcp->status) { |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 3191 | if (lancer_chip(adapter)) |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 3192 | lancer_update_tx_err(txo, txcp->status); |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 3193 | else |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 3194 | be_update_tx_err(txo, txcp->status); |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 3195 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3196 | } |
| 3197 | |
| 3198 | if (work_done) { |
| 3199 | be_cq_notify(adapter, txo->cq.id, true, work_done); |
| 3200 | atomic_sub(num_wrbs, &txo->q.used); |
| 3201 | |
| 3202 | /* As Tx wrbs have been freed up, wake up netdev queue |
| 3203 | * if it was stopped due to lack of tx wrbs. */ |
| 3204 | if (__netif_subqueue_stopped(adapter->netdev, idx) && |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 3205 | be_can_txq_wake(txo)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3206 | netif_wake_subqueue(adapter->netdev, idx); |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 3207 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 3208 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3209 | u64_stats_update_begin(&tx_stats(txo)->sync_compl); |
| 3210 | tx_stats(txo)->tx_compl += work_done; |
| 3211 | u64_stats_update_end(&tx_stats(txo)->sync_compl); |
| 3212 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3213 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 3214 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 3215 | #ifdef CONFIG_NET_RX_BUSY_POLL |
| 3216 | static inline bool be_lock_napi(struct be_eq_obj *eqo) |
| 3217 | { |
| 3218 | bool status = true; |
| 3219 | |
| 3220 | spin_lock(&eqo->lock); /* BH is already disabled */ |
| 3221 | if (eqo->state & BE_EQ_LOCKED) { |
| 3222 | WARN_ON(eqo->state & BE_EQ_NAPI); |
| 3223 | eqo->state |= BE_EQ_NAPI_YIELD; |
| 3224 | status = false; |
| 3225 | } else { |
| 3226 | eqo->state = BE_EQ_NAPI; |
| 3227 | } |
| 3228 | spin_unlock(&eqo->lock); |
| 3229 | return status; |
| 3230 | } |
| 3231 | |
| 3232 | static inline void be_unlock_napi(struct be_eq_obj *eqo) |
| 3233 | { |
| 3234 | spin_lock(&eqo->lock); /* BH is already disabled */ |
| 3235 | |
| 3236 | WARN_ON(eqo->state & (BE_EQ_POLL | BE_EQ_NAPI_YIELD)); |
| 3237 | eqo->state = BE_EQ_IDLE; |
| 3238 | |
| 3239 | spin_unlock(&eqo->lock); |
| 3240 | } |
| 3241 | |
| 3242 | static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) |
| 3243 | { |
| 3244 | bool status = true; |
| 3245 | |
| 3246 | spin_lock_bh(&eqo->lock); |
| 3247 | if (eqo->state & BE_EQ_LOCKED) { |
| 3248 | eqo->state |= BE_EQ_POLL_YIELD; |
| 3249 | status = false; |
| 3250 | } else { |
| 3251 | eqo->state |= BE_EQ_POLL; |
| 3252 | } |
| 3253 | spin_unlock_bh(&eqo->lock); |
| 3254 | return status; |
| 3255 | } |
| 3256 | |
| 3257 | static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) |
| 3258 | { |
| 3259 | spin_lock_bh(&eqo->lock); |
| 3260 | |
| 3261 | WARN_ON(eqo->state & (BE_EQ_NAPI)); |
| 3262 | eqo->state = BE_EQ_IDLE; |
| 3263 | |
| 3264 | spin_unlock_bh(&eqo->lock); |
| 3265 | } |
| 3266 | |
| 3267 | static inline void be_enable_busy_poll(struct be_eq_obj *eqo) |
| 3268 | { |
| 3269 | spin_lock_init(&eqo->lock); |
| 3270 | eqo->state = BE_EQ_IDLE; |
| 3271 | } |
| 3272 | |
| 3273 | static inline void be_disable_busy_poll(struct be_eq_obj *eqo) |
| 3274 | { |
| 3275 | local_bh_disable(); |
| 3276 | |
| 3277 | /* It's enough to just acquire napi lock on the eqo to stop |
| 3278 | * be_busy_poll() from processing any queueus. |
| 3279 | */ |
| 3280 | while (!be_lock_napi(eqo)) |
| 3281 | mdelay(1); |
| 3282 | |
| 3283 | local_bh_enable(); |
| 3284 | } |
| 3285 | |
| 3286 | #else /* CONFIG_NET_RX_BUSY_POLL */ |
| 3287 | |
| 3288 | static inline bool be_lock_napi(struct be_eq_obj *eqo) |
| 3289 | { |
| 3290 | return true; |
| 3291 | } |
| 3292 | |
| 3293 | static inline void be_unlock_napi(struct be_eq_obj *eqo) |
| 3294 | { |
| 3295 | } |
| 3296 | |
| 3297 | static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) |
| 3298 | { |
| 3299 | return false; |
| 3300 | } |
| 3301 | |
| 3302 | static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) |
| 3303 | { |
| 3304 | } |
| 3305 | |
| 3306 | static inline void be_enable_busy_poll(struct be_eq_obj *eqo) |
| 3307 | { |
| 3308 | } |
| 3309 | |
| 3310 | static inline void be_disable_busy_poll(struct be_eq_obj *eqo) |
| 3311 | { |
| 3312 | } |
| 3313 | #endif /* CONFIG_NET_RX_BUSY_POLL */ |
| 3314 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3315 | int be_poll(struct napi_struct *napi, int budget) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3316 | { |
| 3317 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 3318 | struct be_adapter *adapter = eqo->adapter; |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 3319 | int max_work = 0, work, i, num_evts; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3320 | struct be_rx_obj *rxo; |
Sathya Perla | a4906ea | 2014-09-02 09:56:56 +0530 | [diff] [blame] | 3321 | struct be_tx_obj *txo; |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 3322 | u32 mult_enc = 0; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 3323 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 3324 | num_evts = events_get(eqo); |
| 3325 | |
Sathya Perla | a4906ea | 2014-09-02 09:56:56 +0530 | [diff] [blame] | 3326 | for_all_tx_queues_on_eq(adapter, eqo, txo, i) |
| 3327 | be_process_tx(adapter, txo, i); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3328 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3329 | if (be_lock_napi(eqo)) { |
| 3330 | /* This loop will iterate twice for EQ0 in which |
| 3331 | * completions of the last RXQ (default one) are also processed |
| 3332 | * For other EQs the loop iterates only once |
| 3333 | */ |
| 3334 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 3335 | work = be_process_rx(rxo, napi, budget, NAPI_POLLING); |
| 3336 | max_work = max(work, max_work); |
| 3337 | } |
| 3338 | be_unlock_napi(eqo); |
| 3339 | } else { |
| 3340 | max_work = budget; |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 3341 | } |
| 3342 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3343 | if (is_mcc_eqo(eqo)) |
| 3344 | be_process_mcc(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3345 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3346 | if (max_work < budget) { |
| 3347 | napi_complete(napi); |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 3348 | |
| 3349 | /* Skyhawk EQ_DB has a provision to set the rearm to interrupt |
| 3350 | * delay via a delay multiplier encoding value |
| 3351 | */ |
| 3352 | if (skyhawk_chip(adapter)) |
| 3353 | mult_enc = be_get_eq_delay_mult_enc(eqo); |
| 3354 | |
| 3355 | be_eq_notify(adapter, eqo->q.id, true, false, num_evts, |
| 3356 | mult_enc); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3357 | } else { |
| 3358 | /* As we'll continue in polling mode, count and clear events */ |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 3359 | be_eq_notify(adapter, eqo->q.id, false, false, num_evts, 0); |
Padmanabh Ratnakar | 93c8670 | 2011-12-19 01:53:35 +0000 | [diff] [blame] | 3360 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3361 | return max_work; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3362 | } |
| 3363 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3364 | #ifdef CONFIG_NET_RX_BUSY_POLL |
| 3365 | static int be_busy_poll(struct napi_struct *napi) |
| 3366 | { |
| 3367 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 3368 | struct be_adapter *adapter = eqo->adapter; |
| 3369 | struct be_rx_obj *rxo; |
| 3370 | int i, work = 0; |
| 3371 | |
| 3372 | if (!be_lock_busy_poll(eqo)) |
| 3373 | return LL_FLUSH_BUSY; |
| 3374 | |
| 3375 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 3376 | work = be_process_rx(rxo, napi, 4, BUSY_POLLING); |
| 3377 | if (work) |
| 3378 | break; |
| 3379 | } |
| 3380 | |
| 3381 | be_unlock_busy_poll(eqo); |
| 3382 | return work; |
| 3383 | } |
| 3384 | #endif |
| 3385 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3386 | void be_detect_error(struct be_adapter *adapter) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 3387 | { |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 3388 | u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; |
| 3389 | u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 3390 | u32 i; |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 3391 | struct device *dev = &adapter->pdev->dev; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 3392 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 3393 | if (be_check_error(adapter, BE_ERROR_HW)) |
Sathya Perla | 72f0248 | 2011-11-10 19:17:58 +0000 | [diff] [blame] | 3394 | return; |
| 3395 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 3396 | if (lancer_chip(adapter)) { |
| 3397 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); |
| 3398 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 3399 | be_set_error(adapter, BE_ERROR_UE); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 3400 | sliport_err1 = ioread32(adapter->db + |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3401 | SLIPORT_ERROR1_OFFSET); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 3402 | sliport_err2 = ioread32(adapter->db + |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3403 | SLIPORT_ERROR2_OFFSET); |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 3404 | /* Do not log error messages if its a FW reset */ |
| 3405 | if (sliport_err1 == SLIPORT_ERROR_FW_RESET1 && |
| 3406 | sliport_err2 == SLIPORT_ERROR_FW_RESET2) { |
| 3407 | dev_info(dev, "Firmware update in progress\n"); |
| 3408 | } else { |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 3409 | dev_err(dev, "Error detected in the card\n"); |
| 3410 | dev_err(dev, "ERR: sliport status 0x%x\n", |
| 3411 | sliport_status); |
| 3412 | dev_err(dev, "ERR: sliport error1 0x%x\n", |
| 3413 | sliport_err1); |
| 3414 | dev_err(dev, "ERR: sliport error2 0x%x\n", |
| 3415 | sliport_err2); |
| 3416 | } |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 3417 | } |
| 3418 | } else { |
Suresh Reddy | 25848c9 | 2015-03-20 06:28:25 -0400 | [diff] [blame] | 3419 | ue_lo = ioread32(adapter->pcicfg + PCICFG_UE_STATUS_LOW); |
| 3420 | ue_hi = ioread32(adapter->pcicfg + PCICFG_UE_STATUS_HIGH); |
| 3421 | ue_lo_mask = ioread32(adapter->pcicfg + |
| 3422 | PCICFG_UE_STATUS_LOW_MASK); |
| 3423 | ue_hi_mask = ioread32(adapter->pcicfg + |
| 3424 | PCICFG_UE_STATUS_HI_MASK); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 3425 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3426 | ue_lo = (ue_lo & ~ue_lo_mask); |
| 3427 | ue_hi = (ue_hi & ~ue_hi_mask); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 3428 | |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 3429 | /* On certain platforms BE hardware can indicate spurious UEs. |
| 3430 | * Allow HW to stop working completely in case of a real UE. |
| 3431 | * Hence not setting the hw_error for UE detection. |
| 3432 | */ |
| 3433 | |
| 3434 | if (ue_lo || ue_hi) { |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 3435 | dev_err(dev, "Error detected in the adapter"); |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 3436 | if (skyhawk_chip(adapter)) |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 3437 | be_set_error(adapter, BE_ERROR_UE); |
| 3438 | |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 3439 | for (i = 0; ue_lo; ue_lo >>= 1, i++) { |
| 3440 | if (ue_lo & 1) |
| 3441 | dev_err(dev, "UE: %s bit set\n", |
| 3442 | ue_status_low_desc[i]); |
| 3443 | } |
| 3444 | for (i = 0; ue_hi; ue_hi >>= 1, i++) { |
| 3445 | if (ue_hi & 1) |
| 3446 | dev_err(dev, "UE: %s bit set\n", |
| 3447 | ue_status_hi_desc[i]); |
| 3448 | } |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 3449 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3450 | } |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 3451 | } |
| 3452 | |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 3453 | static void be_msix_disable(struct be_adapter *adapter) |
| 3454 | { |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3455 | if (msix_enabled(adapter)) { |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 3456 | pci_disable_msix(adapter->pdev); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3457 | adapter->num_msix_vec = 0; |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3458 | adapter->num_msix_roce_vec = 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3459 | } |
| 3460 | } |
| 3461 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 3462 | static int be_msix_enable(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3463 | { |
Dan Carpenter | 6fde0e6 | 2016-06-29 17:39:43 +0300 | [diff] [blame] | 3464 | unsigned int i, max_roce_eqs; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 3465 | struct device *dev = &adapter->pdev->dev; |
Dan Carpenter | 6fde0e6 | 2016-06-29 17:39:43 +0300 | [diff] [blame] | 3466 | int num_vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3467 | |
Sathya Perla | ce7faf0 | 2016-06-22 08:54:53 -0400 | [diff] [blame] | 3468 | /* If RoCE is supported, program the max number of vectors that |
| 3469 | * could be used for NIC and RoCE, else, just program the number |
| 3470 | * we'll use initially. |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3471 | */ |
Sathya Perla | e261768 | 2016-06-22 08:54:54 -0400 | [diff] [blame] | 3472 | if (be_roce_supported(adapter)) { |
| 3473 | max_roce_eqs = |
| 3474 | be_max_func_eqs(adapter) - be_max_nic_eqs(adapter); |
| 3475 | max_roce_eqs = min(max_roce_eqs, num_online_cpus()); |
| 3476 | num_vec = be_max_any_irqs(adapter) + max_roce_eqs; |
| 3477 | } else { |
| 3478 | num_vec = max(adapter->cfg_num_rx_irqs, |
| 3479 | adapter->cfg_num_tx_irqs); |
| 3480 | } |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3481 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3482 | for (i = 0; i < num_vec; i++) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3483 | adapter->msix_entries[i].entry = i; |
| 3484 | |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 3485 | num_vec = pci_enable_msix_range(adapter->pdev, adapter->msix_entries, |
| 3486 | MIN_MSIX_VECTORS, num_vec); |
| 3487 | if (num_vec < 0) |
| 3488 | goto fail; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 3489 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3490 | if (be_roce_supported(adapter) && num_vec > MIN_MSIX_VECTORS) { |
| 3491 | adapter->num_msix_roce_vec = num_vec / 2; |
| 3492 | dev_info(dev, "enabled %d MSI-x vector(s) for RoCE\n", |
| 3493 | adapter->num_msix_roce_vec); |
| 3494 | } |
| 3495 | |
| 3496 | adapter->num_msix_vec = num_vec - adapter->num_msix_roce_vec; |
| 3497 | |
| 3498 | dev_info(dev, "enabled %d MSI-x vector(s) for NIC\n", |
| 3499 | adapter->num_msix_vec); |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 3500 | return 0; |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 3501 | |
| 3502 | fail: |
| 3503 | dev_warn(dev, "MSIx enable failed\n"); |
| 3504 | |
| 3505 | /* INTx is not supported in VFs, so fail probe if enable_msix fails */ |
Kalesh AP | 18c57c7 | 2015-05-06 05:30:38 -0400 | [diff] [blame] | 3506 | if (be_virtfn(adapter)) |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 3507 | return num_vec; |
| 3508 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3509 | } |
| 3510 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 3511 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3512 | struct be_eq_obj *eqo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3513 | { |
Sathya Perla | f2f781a | 2013-08-27 16:57:30 +0530 | [diff] [blame] | 3514 | return adapter->msix_entries[eqo->msix_idx].vector; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3515 | } |
| 3516 | |
| 3517 | static int be_msix_register(struct be_adapter *adapter) |
| 3518 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3519 | struct net_device *netdev = adapter->netdev; |
| 3520 | struct be_eq_obj *eqo; |
| 3521 | int status, i, vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3522 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3523 | for_all_evt_queues(adapter, eqo, i) { |
| 3524 | sprintf(eqo->desc, "%s-q%d", netdev->name, i); |
| 3525 | vec = be_msix_vec_get(adapter, eqo); |
| 3526 | status = request_irq(vec, be_msix, 0, eqo->desc, eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3527 | if (status) |
| 3528 | goto err_msix; |
Padmanabh Ratnakar | d658d98 | 2015-03-26 03:05:08 -0400 | [diff] [blame] | 3529 | |
| 3530 | irq_set_affinity_hint(vec, eqo->affinity_mask); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3531 | } |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 3532 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3533 | return 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3534 | err_msix: |
Venkat Duvvuru | 6e3cd5f | 2015-12-18 01:40:50 +0530 | [diff] [blame] | 3535 | for (i--; i >= 0; i--) { |
| 3536 | eqo = &adapter->eq_obj[i]; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3537 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
Venkat Duvvuru | 6e3cd5f | 2015-12-18 01:40:50 +0530 | [diff] [blame] | 3538 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3539 | dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3540 | status); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3541 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3542 | return status; |
| 3543 | } |
| 3544 | |
| 3545 | static int be_irq_register(struct be_adapter *adapter) |
| 3546 | { |
| 3547 | struct net_device *netdev = adapter->netdev; |
| 3548 | int status; |
| 3549 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3550 | if (msix_enabled(adapter)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3551 | status = be_msix_register(adapter); |
| 3552 | if (status == 0) |
| 3553 | goto done; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 3554 | /* INTx is not supported for VF */ |
Kalesh AP | 18c57c7 | 2015-05-06 05:30:38 -0400 | [diff] [blame] | 3555 | if (be_virtfn(adapter)) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 3556 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3557 | } |
| 3558 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3559 | /* INTx: only the first EQ is used */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3560 | netdev->irq = adapter->pdev->irq; |
| 3561 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3562 | &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3563 | if (status) { |
| 3564 | dev_err(&adapter->pdev->dev, |
| 3565 | "INTx request IRQ failed - err %d\n", status); |
| 3566 | return status; |
| 3567 | } |
| 3568 | done: |
| 3569 | adapter->isr_registered = true; |
| 3570 | return 0; |
| 3571 | } |
| 3572 | |
| 3573 | static void be_irq_unregister(struct be_adapter *adapter) |
| 3574 | { |
| 3575 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3576 | struct be_eq_obj *eqo; |
Padmanabh Ratnakar | d658d98 | 2015-03-26 03:05:08 -0400 | [diff] [blame] | 3577 | int i, vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3578 | |
| 3579 | if (!adapter->isr_registered) |
| 3580 | return; |
| 3581 | |
| 3582 | /* INTx */ |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3583 | if (!msix_enabled(adapter)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3584 | free_irq(netdev->irq, &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3585 | goto done; |
| 3586 | } |
| 3587 | |
| 3588 | /* MSIx */ |
Padmanabh Ratnakar | d658d98 | 2015-03-26 03:05:08 -0400 | [diff] [blame] | 3589 | for_all_evt_queues(adapter, eqo, i) { |
| 3590 | vec = be_msix_vec_get(adapter, eqo); |
| 3591 | irq_set_affinity_hint(vec, NULL); |
| 3592 | free_irq(vec, eqo); |
| 3593 | } |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3594 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3595 | done: |
| 3596 | adapter->isr_registered = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3597 | } |
| 3598 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3599 | static void be_rx_qs_destroy(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3600 | { |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 3601 | struct rss_info *rss = &adapter->rss_info; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3602 | struct be_queue_info *q; |
| 3603 | struct be_rx_obj *rxo; |
| 3604 | int i; |
| 3605 | |
| 3606 | for_all_rx_queues(adapter, rxo, i) { |
| 3607 | q = &rxo->q; |
| 3608 | if (q->created) { |
Kalesh AP | 99b4430 | 2015-08-05 03:27:49 -0400 | [diff] [blame] | 3609 | /* If RXQs are destroyed while in an "out of buffer" |
| 3610 | * state, there is a possibility of an HW stall on |
| 3611 | * Lancer. So, post 64 buffers to each queue to relieve |
| 3612 | * the "out of buffer" condition. |
| 3613 | * Make sure there's space in the RXQ before posting. |
| 3614 | */ |
| 3615 | if (lancer_chip(adapter)) { |
| 3616 | be_rx_cq_clean(rxo); |
| 3617 | if (atomic_read(&q->used) == 0) |
| 3618 | be_post_rx_frags(rxo, GFP_KERNEL, |
| 3619 | MAX_RX_POST); |
| 3620 | } |
| 3621 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3622 | be_cmd_rxq_destroy(adapter, q); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3623 | be_rx_cq_clean(rxo); |
Kalesh AP | 99b4430 | 2015-08-05 03:27:49 -0400 | [diff] [blame] | 3624 | be_rxq_clean(rxo); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3625 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3626 | be_queue_free(adapter, q); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3627 | } |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 3628 | |
| 3629 | if (rss->rss_flags) { |
| 3630 | rss->rss_flags = RSS_ENABLE_NONE; |
| 3631 | be_cmd_rss_config(adapter, rss->rsstable, rss->rss_flags, |
| 3632 | 128, rss->rss_hkey); |
| 3633 | } |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3634 | } |
| 3635 | |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3636 | static void be_disable_if_filters(struct be_adapter *adapter) |
| 3637 | { |
Ivan Vecera | 02434de | 2017-01-13 22:38:28 +0100 | [diff] [blame] | 3638 | /* Don't delete MAC on BE3 VFs without FILTMGMT privilege */ |
| 3639 | if (!BEx_chip(adapter) || !be_virtfn(adapter) || |
Ivan Vecera | 6129fd9 | 2017-01-31 20:01:31 +0100 | [diff] [blame] | 3640 | check_privilege(adapter, BE_PRIV_FILTMGMT)) { |
Ivan Vecera | 02434de | 2017-01-13 22:38:28 +0100 | [diff] [blame] | 3641 | be_dev_mac_del(adapter, adapter->pmac_id[0]); |
Ivan Vecera | 6129fd9 | 2017-01-31 20:01:31 +0100 | [diff] [blame] | 3642 | eth_zero_addr(adapter->dev_mac); |
| 3643 | } |
Ivan Vecera | 02434de | 2017-01-13 22:38:28 +0100 | [diff] [blame] | 3644 | |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3645 | be_clear_uc_list(adapter); |
Sriharsha Basavapatna | 92fbb1d | 2016-07-27 05:26:17 -0400 | [diff] [blame] | 3646 | be_clear_mc_list(adapter); |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3647 | |
| 3648 | /* The IFACE flags are enabled in the open path and cleared |
| 3649 | * in the close path. When a VF gets detached from the host and |
| 3650 | * assigned to a VM the following happens: |
| 3651 | * - VF's IFACE flags get cleared in the detach path |
| 3652 | * - IFACE create is issued by the VF in the attach path |
| 3653 | * Due to a bug in the BE3/Skyhawk-R FW |
| 3654 | * (Lancer FW doesn't have the bug), the IFACE capability flags |
| 3655 | * specified along with the IFACE create cmd issued by a VF are not |
| 3656 | * honoured by FW. As a consequence, if a *new* driver |
| 3657 | * (that enables/disables IFACE flags in open/close) |
| 3658 | * is loaded in the host and an *old* driver is * used by a VM/VF, |
| 3659 | * the IFACE gets created *without* the needed flags. |
| 3660 | * To avoid this, disable RX-filter flags only for Lancer. |
| 3661 | */ |
| 3662 | if (lancer_chip(adapter)) { |
| 3663 | be_cmd_rx_filter(adapter, BE_IF_ALL_FILT_FLAGS, OFF); |
| 3664 | adapter->if_flags &= ~BE_IF_ALL_FILT_FLAGS; |
| 3665 | } |
| 3666 | } |
| 3667 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3668 | static int be_close(struct net_device *netdev) |
| 3669 | { |
| 3670 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3671 | struct be_eq_obj *eqo; |
| 3672 | int i; |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3673 | |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 3674 | /* This protection is needed as be_close() may be called even when the |
| 3675 | * adapter is in cleared state (after eeh perm failure) |
| 3676 | */ |
| 3677 | if (!(adapter->flags & BE_FLAGS_SETUP_DONE)) |
| 3678 | return 0; |
| 3679 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 3680 | /* Before attempting cleanup ensure all the pending cmds in the |
| 3681 | * config_wq have finished execution |
| 3682 | */ |
| 3683 | flush_workqueue(be_wq); |
| 3684 | |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3685 | be_disable_if_filters(adapter); |
| 3686 | |
Ivan Vecera | dff345c5 | 2013-11-27 08:59:32 +0100 | [diff] [blame] | 3687 | if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { |
| 3688 | for_all_evt_queues(adapter, eqo, i) { |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3689 | napi_disable(&eqo->napi); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3690 | be_disable_busy_poll(eqo); |
| 3691 | } |
David S. Miller | 71237b6 | 2013-11-28 18:53:36 -0500 | [diff] [blame] | 3692 | adapter->flags &= ~BE_FLAGS_NAPI_ENABLED; |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3693 | } |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3694 | |
| 3695 | be_async_mcc_disable(adapter); |
| 3696 | |
| 3697 | /* Wait for all pending tx completions to arrive so that |
| 3698 | * all tx skbs are freed. |
| 3699 | */ |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 3700 | netif_tx_disable(netdev); |
Sathya Perla | 6e1f997 | 2013-08-22 12:23:41 +0530 | [diff] [blame] | 3701 | be_tx_compl_clean(adapter); |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3702 | |
| 3703 | be_rx_qs_destroy(adapter); |
Ajit Khaparde | d11a347 | 2013-11-18 10:44:37 -0600 | [diff] [blame] | 3704 | |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3705 | for_all_evt_queues(adapter, eqo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3706 | if (msix_enabled(adapter)) |
| 3707 | synchronize_irq(be_msix_vec_get(adapter, eqo)); |
| 3708 | else |
| 3709 | synchronize_irq(netdev->irq); |
| 3710 | be_eq_clean(eqo); |
Padmanabh Ratnakar | 63fcb27 | 2011-03-07 03:09:17 +0000 | [diff] [blame] | 3711 | } |
| 3712 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3713 | be_irq_unregister(adapter); |
| 3714 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3715 | return 0; |
| 3716 | } |
| 3717 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3718 | static int be_rx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3719 | { |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3720 | struct rss_info *rss = &adapter->rss_info; |
| 3721 | u8 rss_key[RSS_HASH_KEY_LEN]; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3722 | struct be_rx_obj *rxo; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3723 | int rc, i, j; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3724 | |
| 3725 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3726 | rc = be_queue_alloc(adapter, &rxo->q, RX_Q_LEN, |
| 3727 | sizeof(struct be_eth_rx_d)); |
| 3728 | if (rc) |
| 3729 | return rc; |
| 3730 | } |
| 3731 | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3732 | if (adapter->need_def_rxq || !adapter->num_rss_qs) { |
| 3733 | rxo = default_rxo(adapter); |
| 3734 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
| 3735 | rx_frag_size, adapter->if_handle, |
| 3736 | false, &rxo->rss_id); |
| 3737 | if (rc) |
| 3738 | return rc; |
| 3739 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3740 | |
| 3741 | for_all_rss_queues(adapter, rxo, i) { |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3742 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3743 | rx_frag_size, adapter->if_handle, |
| 3744 | true, &rxo->rss_id); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3745 | if (rc) |
| 3746 | return rc; |
| 3747 | } |
| 3748 | |
| 3749 | if (be_multi_rxq(adapter)) { |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3750 | for (j = 0; j < RSS_INDIR_TABLE_LEN; j += adapter->num_rss_qs) { |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3751 | for_all_rss_queues(adapter, rxo, i) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3752 | if ((j + i) >= RSS_INDIR_TABLE_LEN) |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3753 | break; |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3754 | rss->rsstable[j + i] = rxo->rss_id; |
| 3755 | rss->rss_queue[j + i] = i; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3756 | } |
| 3757 | } |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3758 | rss->rss_flags = RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | |
| 3759 | RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6; |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 3760 | |
| 3761 | if (!BEx_chip(adapter)) |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3762 | rss->rss_flags |= RSS_ENABLE_UDP_IPV4 | |
| 3763 | RSS_ENABLE_UDP_IPV6; |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 3764 | |
| 3765 | netdev_rss_key_fill(rss_key, RSS_HASH_KEY_LEN); |
| 3766 | rc = be_cmd_rss_config(adapter, rss->rsstable, rss->rss_flags, |
| 3767 | RSS_INDIR_TABLE_LEN, rss_key); |
| 3768 | if (rc) { |
| 3769 | rss->rss_flags = RSS_ENABLE_NONE; |
| 3770 | return rc; |
| 3771 | } |
| 3772 | |
| 3773 | memcpy(rss->rss_hkey, rss_key, RSS_HASH_KEY_LEN); |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3774 | } else { |
| 3775 | /* Disable RSS, if only default RX Q is created */ |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3776 | rss->rss_flags = RSS_ENABLE_NONE; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3777 | } |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 3778 | |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3779 | |
Suresh Reddy | b02e60c | 2015-05-06 05:30:36 -0400 | [diff] [blame] | 3780 | /* Post 1 less than RXQ-len to avoid head being equal to tail, |
| 3781 | * which is a queue empty condition |
| 3782 | */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3783 | for_all_rx_queues(adapter, rxo, i) |
Suresh Reddy | b02e60c | 2015-05-06 05:30:36 -0400 | [diff] [blame] | 3784 | be_post_rx_frags(rxo, GFP_KERNEL, RX_Q_LEN - 1); |
| 3785 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3786 | return 0; |
| 3787 | } |
| 3788 | |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3789 | static int be_enable_if_filters(struct be_adapter *adapter) |
| 3790 | { |
| 3791 | int status; |
| 3792 | |
Venkat Duvvuru | c1bb0a5 | 2016-03-02 06:00:28 -0500 | [diff] [blame] | 3793 | status = be_cmd_rx_filter(adapter, BE_IF_FILT_FLAGS_BASIC, ON); |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3794 | if (status) |
| 3795 | return status; |
| 3796 | |
Ivan Vecera | 6129fd9 | 2017-01-31 20:01:31 +0100 | [diff] [blame] | 3797 | /* Normally this condition usually true as the ->dev_mac is zeroed. |
| 3798 | * But on BE3 VFs the initial MAC is pre-programmed by PF and |
| 3799 | * subsequent be_dev_mac_add() can fail (after fresh boot) |
| 3800 | */ |
| 3801 | if (!ether_addr_equal(adapter->dev_mac, adapter->netdev->dev_addr)) { |
| 3802 | int old_pmac_id = -1; |
| 3803 | |
| 3804 | /* Remember old programmed MAC if any - can happen on BE3 VF */ |
| 3805 | if (!is_zero_ether_addr(adapter->dev_mac)) |
| 3806 | old_pmac_id = adapter->pmac_id[0]; |
| 3807 | |
Suresh Reddy | 988d44b | 2016-09-07 19:57:52 +0530 | [diff] [blame] | 3808 | status = be_dev_mac_add(adapter, adapter->netdev->dev_addr); |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3809 | if (status) |
| 3810 | return status; |
Ivan Vecera | 6129fd9 | 2017-01-31 20:01:31 +0100 | [diff] [blame] | 3811 | |
| 3812 | /* Delete the old programmed MAC as we successfully programmed |
| 3813 | * a new MAC |
| 3814 | */ |
| 3815 | if (old_pmac_id >= 0 && old_pmac_id != adapter->pmac_id[0]) |
| 3816 | be_dev_mac_del(adapter, old_pmac_id); |
| 3817 | |
Suresh Reddy | c27ebf5 | 2016-09-07 19:57:53 +0530 | [diff] [blame] | 3818 | ether_addr_copy(adapter->dev_mac, adapter->netdev->dev_addr); |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3819 | } |
| 3820 | |
| 3821 | if (adapter->vlans_added) |
| 3822 | be_vid_config(adapter); |
| 3823 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 3824 | __be_set_rx_mode(adapter); |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3825 | |
| 3826 | return 0; |
| 3827 | } |
| 3828 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3829 | static int be_open(struct net_device *netdev) |
| 3830 | { |
| 3831 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3832 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3833 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3834 | struct be_tx_obj *txo; |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 3835 | u8 link_status; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3836 | int status, i; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3837 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3838 | status = be_rx_qs_create(adapter); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3839 | if (status) |
| 3840 | goto err; |
| 3841 | |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 3842 | status = be_enable_if_filters(adapter); |
| 3843 | if (status) |
| 3844 | goto err; |
| 3845 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 3846 | status = be_irq_register(adapter); |
| 3847 | if (status) |
| 3848 | goto err; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3849 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3850 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3851 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3852 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3853 | for_all_tx_queues(adapter, txo, i) |
| 3854 | be_cq_notify(adapter, txo->cq.id, true, 0); |
| 3855 | |
Sathya Perla | 7a1e9b2 | 2010-02-17 01:35:11 +0000 | [diff] [blame] | 3856 | be_async_mcc_enable(adapter); |
| 3857 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3858 | for_all_evt_queues(adapter, eqo, i) { |
| 3859 | napi_enable(&eqo->napi); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3860 | be_enable_busy_poll(eqo); |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 3861 | be_eq_notify(adapter, eqo->q.id, true, true, 0, 0); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3862 | } |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3863 | adapter->flags |= BE_FLAGS_NAPI_ENABLED; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3864 | |
Sathya Perla | 323ff71 | 2012-09-28 04:39:43 +0000 | [diff] [blame] | 3865 | status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 3866 | if (!status) |
| 3867 | be_link_status_update(adapter, link_status); |
| 3868 | |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 3869 | netif_tx_start_all_queues(netdev); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3870 | if (skyhawk_chip(adapter)) |
Alexander Duyck | bde6b7c | 2016-06-16 12:21:43 -0700 | [diff] [blame] | 3871 | udp_tunnel_get_rx_info(netdev); |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3872 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3873 | return 0; |
| 3874 | err: |
| 3875 | be_close(adapter->netdev); |
| 3876 | return -EIO; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3877 | } |
| 3878 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 3879 | static void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac) |
| 3880 | { |
| 3881 | u32 addr; |
| 3882 | |
| 3883 | addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0); |
| 3884 | |
| 3885 | mac[5] = (u8)(addr & 0xFF); |
| 3886 | mac[4] = (u8)((addr >> 8) & 0xFF); |
| 3887 | mac[3] = (u8)((addr >> 16) & 0xFF); |
| 3888 | /* Use the OUI from the current MAC address */ |
| 3889 | memcpy(mac, adapter->netdev->dev_addr, 3); |
| 3890 | } |
| 3891 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3892 | /* |
| 3893 | * Generate a seed MAC address from the PF MAC Address using jhash. |
| 3894 | * MAC Address for VFs are assigned incrementally starting from the seed. |
| 3895 | * These addresses are programmed in the ASIC by the PF and the VF driver |
| 3896 | * queries for the MAC address during its probe. |
| 3897 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3898 | static int be_vf_eth_addr_config(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3899 | { |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3900 | u32 vf; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3901 | int status = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3902 | u8 mac[ETH_ALEN]; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3903 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3904 | |
| 3905 | be_vf_eth_addr_generate(adapter, mac); |
| 3906 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3907 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3908 | if (BEx_chip(adapter)) |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3909 | status = be_cmd_pmac_add(adapter, mac, |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3910 | vf_cfg->if_handle, |
| 3911 | &vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3912 | else |
| 3913 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, |
| 3914 | vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3915 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3916 | if (status) |
| 3917 | dev_err(&adapter->pdev->dev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3918 | "Mac address assignment failed for VF %d\n", |
| 3919 | vf); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3920 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3921 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3922 | |
| 3923 | mac[5] += 1; |
| 3924 | } |
| 3925 | return status; |
| 3926 | } |
| 3927 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3928 | static int be_vfs_mac_query(struct be_adapter *adapter) |
| 3929 | { |
| 3930 | int status, vf; |
| 3931 | u8 mac[ETH_ALEN]; |
| 3932 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3933 | |
| 3934 | for_all_vfs(adapter, vf_cfg, vf) { |
Suresh Reddy | b188f09 | 2014-01-15 13:23:39 +0530 | [diff] [blame] | 3935 | status = be_cmd_get_active_mac(adapter, vf_cfg->pmac_id, |
| 3936 | mac, vf_cfg->if_handle, |
| 3937 | false, vf+1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3938 | if (status) |
| 3939 | return status; |
| 3940 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
| 3941 | } |
| 3942 | return 0; |
| 3943 | } |
| 3944 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3945 | static void be_vf_clear(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3946 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3947 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3948 | u32 vf; |
| 3949 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 3950 | if (pci_vfs_assigned(adapter->pdev)) { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3951 | dev_warn(&adapter->pdev->dev, |
| 3952 | "VFs are assigned to VMs: not disabling VFs\n"); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3953 | goto done; |
| 3954 | } |
| 3955 | |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 3956 | pci_disable_sriov(adapter->pdev); |
| 3957 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3958 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3959 | if (BEx_chip(adapter)) |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3960 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 3961 | vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3962 | else |
| 3963 | be_cmd_set_mac(adapter, NULL, vf_cfg->if_handle, |
| 3964 | vf + 1); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3965 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3966 | be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); |
| 3967 | } |
Somnath Kotur | 884476b | 2016-06-22 08:54:55 -0400 | [diff] [blame] | 3968 | |
| 3969 | if (BE3_chip(adapter)) |
| 3970 | be_cmd_set_hsw_config(adapter, 0, 0, |
| 3971 | adapter->if_handle, |
| 3972 | PORT_FWD_TYPE_PASSTHRU, 0); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3973 | done: |
| 3974 | kfree(adapter->vf_cfg); |
| 3975 | adapter->num_vfs = 0; |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 3976 | adapter->flags &= ~BE_FLAGS_SRIOV_ENABLED; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3977 | } |
| 3978 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3979 | static void be_clear_queues(struct be_adapter *adapter) |
| 3980 | { |
| 3981 | be_mcc_queues_destroy(adapter); |
| 3982 | be_rx_cqs_destroy(adapter); |
| 3983 | be_tx_queues_destroy(adapter); |
| 3984 | be_evt_queues_destroy(adapter); |
| 3985 | } |
| 3986 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3987 | static void be_cancel_worker(struct be_adapter *adapter) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3988 | { |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3989 | if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { |
| 3990 | cancel_delayed_work_sync(&adapter->work); |
| 3991 | adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; |
| 3992 | } |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3993 | } |
| 3994 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 3995 | static void be_cancel_err_detection(struct be_adapter *adapter) |
| 3996 | { |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 3997 | struct be_error_recovery *err_rec = &adapter->error_recovery; |
| 3998 | |
| 3999 | if (!be_err_recovery_workq) |
| 4000 | return; |
| 4001 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 4002 | if (adapter->flags & BE_FLAGS_ERR_DETECTION_SCHEDULED) { |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 4003 | cancel_delayed_work_sync(&err_rec->err_detection_work); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 4004 | adapter->flags &= ~BE_FLAGS_ERR_DETECTION_SCHEDULED; |
| 4005 | } |
| 4006 | } |
| 4007 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4008 | static void be_disable_vxlan_offloads(struct be_adapter *adapter) |
| 4009 | { |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4010 | struct net_device *netdev = adapter->netdev; |
| 4011 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4012 | if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) |
| 4013 | be_cmd_manage_iface(adapter, adapter->if_handle, |
| 4014 | OP_CONVERT_TUNNEL_TO_NORMAL); |
| 4015 | |
| 4016 | if (adapter->vxlan_port) |
| 4017 | be_cmd_set_vxlan_port(adapter, 0); |
| 4018 | |
| 4019 | adapter->flags &= ~BE_FLAGS_VXLAN_OFFLOADS; |
| 4020 | adapter->vxlan_port = 0; |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4021 | |
| 4022 | netdev->hw_enc_features = 0; |
| 4023 | netdev->hw_features &= ~(NETIF_F_GSO_UDP_TUNNEL); |
Sriharsha Basavapatna | ac9a3d8 | 2014-12-19 10:00:18 +0530 | [diff] [blame] | 4024 | netdev->features &= ~(NETIF_F_GSO_UDP_TUNNEL); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4025 | } |
| 4026 | |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4027 | static void be_calculate_vf_res(struct be_adapter *adapter, u16 num_vfs, |
| 4028 | struct be_resources *vft_res) |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4029 | { |
| 4030 | struct be_resources res = adapter->pool_res; |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4031 | u32 vf_if_cap_flags = res.vf_if_cap_flags; |
| 4032 | struct be_resources res_mod = {0}; |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4033 | u16 num_vf_qs = 1; |
| 4034 | |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4035 | /* Distribute the queue resources among the PF and it's VFs */ |
| 4036 | if (num_vfs) { |
| 4037 | /* Divide the rx queues evenly among the VFs and the PF, capped |
| 4038 | * at VF-EQ-count. Any remainder queues belong to the PF. |
| 4039 | */ |
Sriharsha Basavapatna | ee9ad28 | 2016-02-03 09:49:19 +0530 | [diff] [blame] | 4040 | num_vf_qs = min(SH_VF_MAX_NIC_EQS, |
| 4041 | res.max_rss_qs / (num_vfs + 1)); |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4042 | |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4043 | /* Skyhawk-R chip supports only MAX_PORT_RSS_TABLES |
| 4044 | * RSS Tables per port. Provide RSS on VFs, only if number of |
| 4045 | * VFs requested is less than it's PF Pool's RSS Tables limit. |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4046 | */ |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4047 | if (num_vfs >= be_max_pf_pool_rss_tables(adapter)) |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4048 | num_vf_qs = 1; |
| 4049 | } |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4050 | |
| 4051 | /* Resource with fields set to all '1's by GET_PROFILE_CONFIG cmd, |
| 4052 | * which are modifiable using SET_PROFILE_CONFIG cmd. |
| 4053 | */ |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4054 | be_cmd_get_profile_config(adapter, &res_mod, NULL, ACTIVE_PROFILE_TYPE, |
| 4055 | RESOURCE_MODIFIABLE, 0); |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4056 | |
| 4057 | /* If RSS IFACE capability flags are modifiable for a VF, set the |
| 4058 | * capability flag as valid and set RSS and DEFQ_RSS IFACE flags if |
| 4059 | * more than 1 RSSQ is available for a VF. |
| 4060 | * Otherwise, provision only 1 queue pair for VF. |
| 4061 | */ |
| 4062 | if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_RSS) { |
| 4063 | vft_res->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT); |
| 4064 | if (num_vf_qs > 1) { |
| 4065 | vf_if_cap_flags |= BE_IF_FLAGS_RSS; |
| 4066 | if (res.if_cap_flags & BE_IF_FLAGS_DEFQ_RSS) |
| 4067 | vf_if_cap_flags |= BE_IF_FLAGS_DEFQ_RSS; |
| 4068 | } else { |
| 4069 | vf_if_cap_flags &= ~(BE_IF_FLAGS_RSS | |
| 4070 | BE_IF_FLAGS_DEFQ_RSS); |
| 4071 | } |
| 4072 | } else { |
| 4073 | num_vf_qs = 1; |
| 4074 | } |
| 4075 | |
| 4076 | if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) { |
| 4077 | vft_res->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT); |
| 4078 | vf_if_cap_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 4079 | } |
| 4080 | |
| 4081 | vft_res->vf_if_cap_flags = vf_if_cap_flags; |
| 4082 | vft_res->max_rx_qs = num_vf_qs; |
| 4083 | vft_res->max_rss_qs = num_vf_qs; |
| 4084 | vft_res->max_tx_qs = res.max_tx_qs / (num_vfs + 1); |
| 4085 | vft_res->max_cq_count = res.max_cq_count / (num_vfs + 1); |
| 4086 | |
| 4087 | /* Distribute unicast MACs, VLANs, IFACE count and MCCQ count equally |
| 4088 | * among the PF and it's VFs, if the fields are changeable |
| 4089 | */ |
| 4090 | if (res_mod.max_uc_mac == FIELD_MODIFIABLE) |
| 4091 | vft_res->max_uc_mac = res.max_uc_mac / (num_vfs + 1); |
| 4092 | |
| 4093 | if (res_mod.max_vlans == FIELD_MODIFIABLE) |
| 4094 | vft_res->max_vlans = res.max_vlans / (num_vfs + 1); |
| 4095 | |
| 4096 | if (res_mod.max_iface_count == FIELD_MODIFIABLE) |
| 4097 | vft_res->max_iface_count = res.max_iface_count / (num_vfs + 1); |
| 4098 | |
| 4099 | if (res_mod.max_mcc_count == FIELD_MODIFIABLE) |
| 4100 | vft_res->max_mcc_count = res.max_mcc_count / (num_vfs + 1); |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4101 | } |
| 4102 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 4103 | static void be_if_destroy(struct be_adapter *adapter) |
| 4104 | { |
| 4105 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
| 4106 | |
| 4107 | kfree(adapter->pmac_id); |
| 4108 | adapter->pmac_id = NULL; |
| 4109 | |
| 4110 | kfree(adapter->mc_list); |
| 4111 | adapter->mc_list = NULL; |
| 4112 | |
| 4113 | kfree(adapter->uc_list); |
| 4114 | adapter->uc_list = NULL; |
| 4115 | } |
| 4116 | |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 4117 | static int be_clear(struct be_adapter *adapter) |
| 4118 | { |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4119 | struct pci_dev *pdev = adapter->pdev; |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4120 | struct be_resources vft_res = {0}; |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4121 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4122 | be_cancel_worker(adapter); |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 4123 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 4124 | flush_workqueue(be_wq); |
| 4125 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 4126 | if (sriov_enabled(adapter)) |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4127 | be_vf_clear(adapter); |
| 4128 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4129 | /* Re-configure FW to distribute resources evenly across max-supported |
| 4130 | * number of VFs, only when VFs are not already enabled. |
| 4131 | */ |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4132 | if (skyhawk_chip(adapter) && be_physfn(adapter) && |
| 4133 | !pci_vfs_assigned(pdev)) { |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4134 | be_calculate_vf_res(adapter, |
| 4135 | pci_sriov_get_totalvfs(pdev), |
| 4136 | &vft_res); |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4137 | be_cmd_set_sriov_config(adapter, adapter->pool_res, |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4138 | pci_sriov_get_totalvfs(pdev), |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4139 | &vft_res); |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4140 | } |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4141 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4142 | be_disable_vxlan_offloads(adapter); |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 4143 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 4144 | be_if_destroy(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4145 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 4146 | be_clear_queues(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4147 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4148 | be_msix_disable(adapter); |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 4149 | adapter->flags &= ~BE_FLAGS_SETUP_DONE; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4150 | return 0; |
| 4151 | } |
| 4152 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4153 | static int be_vfs_if_create(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4154 | { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4155 | struct be_resources res = {0}; |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 4156 | u32 cap_flags, en_flags, vf; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4157 | struct be_vf_cfg *vf_cfg; |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 4158 | int status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4159 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 4160 | /* If a FW profile exists, then cap_flags are updated */ |
Venkat Duvvuru | c1bb0a5 | 2016-03-02 06:00:28 -0500 | [diff] [blame] | 4161 | cap_flags = BE_VF_IF_EN_FLAGS; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4162 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4163 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4164 | if (!BE3_chip(adapter)) { |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4165 | status = be_cmd_get_profile_config(adapter, &res, NULL, |
| 4166 | ACTIVE_PROFILE_TYPE, |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 4167 | RESOURCE_LIMITS, |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4168 | vf + 1); |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 4169 | if (!status) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4170 | cap_flags = res.if_cap_flags; |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 4171 | /* Prevent VFs from enabling VLAN promiscuous |
| 4172 | * mode |
| 4173 | */ |
| 4174 | cap_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 4175 | } |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4176 | } |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4177 | |
Venkat Duvvuru | c1bb0a5 | 2016-03-02 06:00:28 -0500 | [diff] [blame] | 4178 | /* PF should enable IF flags during proxy if_create call */ |
| 4179 | en_flags = cap_flags & BE_VF_IF_EN_FLAGS; |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 4180 | status = be_cmd_if_create(adapter, cap_flags, en_flags, |
| 4181 | &vf_cfg->if_handle, vf + 1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4182 | if (status) |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 4183 | return status; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4184 | } |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 4185 | |
| 4186 | return 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4187 | } |
| 4188 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4189 | static int be_vf_setup_init(struct be_adapter *adapter) |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4190 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 4191 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4192 | int vf; |
| 4193 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4194 | adapter->vf_cfg = kcalloc(adapter->num_vfs, sizeof(*vf_cfg), |
| 4195 | GFP_KERNEL); |
| 4196 | if (!adapter->vf_cfg) |
| 4197 | return -ENOMEM; |
| 4198 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 4199 | for_all_vfs(adapter, vf_cfg, vf) { |
| 4200 | vf_cfg->if_handle = -1; |
| 4201 | vf_cfg->pmac_id = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4202 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4203 | return 0; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4204 | } |
| 4205 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4206 | static int be_vf_setup(struct be_adapter *adapter) |
| 4207 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4208 | struct device *dev = &adapter->pdev->dev; |
Somnath Kotur | c502224 | 2014-03-03 14:24:20 +0530 | [diff] [blame] | 4209 | struct be_vf_cfg *vf_cfg; |
| 4210 | int status, old_vfs, vf; |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 4211 | bool spoofchk; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4212 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 4213 | old_vfs = pci_num_vf(adapter->pdev); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4214 | |
| 4215 | status = be_vf_setup_init(adapter); |
| 4216 | if (status) |
| 4217 | goto err; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4218 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4219 | if (old_vfs) { |
| 4220 | for_all_vfs(adapter, vf_cfg, vf) { |
| 4221 | status = be_cmd_get_if_id(adapter, vf_cfg, vf); |
| 4222 | if (status) |
| 4223 | goto err; |
| 4224 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4225 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4226 | status = be_vfs_mac_query(adapter); |
| 4227 | if (status) |
| 4228 | goto err; |
| 4229 | } else { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4230 | status = be_vfs_if_create(adapter); |
| 4231 | if (status) |
| 4232 | goto err; |
| 4233 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4234 | status = be_vf_eth_addr_config(adapter); |
| 4235 | if (status) |
| 4236 | goto err; |
| 4237 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4238 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 4239 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 4240 | /* Allow VFs to programs MAC/VLAN filters */ |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 4241 | status = be_cmd_get_fn_privileges(adapter, &vf_cfg->privileges, |
| 4242 | vf + 1); |
| 4243 | if (!status && !(vf_cfg->privileges & BE_PRIV_FILTMGMT)) { |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 4244 | status = be_cmd_set_fn_privileges(adapter, |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 4245 | vf_cfg->privileges | |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 4246 | BE_PRIV_FILTMGMT, |
| 4247 | vf + 1); |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 4248 | if (!status) { |
| 4249 | vf_cfg->privileges |= BE_PRIV_FILTMGMT; |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 4250 | dev_info(dev, "VF%d has FILTMGMT privilege\n", |
| 4251 | vf); |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 4252 | } |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 4253 | } |
| 4254 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 4255 | /* Allow full available bandwidth */ |
| 4256 | if (!old_vfs) |
| 4257 | be_cmd_config_qos(adapter, 0, 0, vf + 1); |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 4258 | |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 4259 | status = be_cmd_get_hsw_config(adapter, NULL, vf + 1, |
| 4260 | vf_cfg->if_handle, NULL, |
| 4261 | &spoofchk); |
| 4262 | if (!status) |
| 4263 | vf_cfg->spoofchk = spoofchk; |
| 4264 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 4265 | if (!old_vfs) { |
Vasundhara Volam | 0599863 | 2013-10-01 15:59:59 +0530 | [diff] [blame] | 4266 | be_cmd_enable_vf(adapter, vf + 1); |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 4267 | be_cmd_set_logical_link_config(adapter, |
| 4268 | IFLA_VF_LINK_STATE_AUTO, |
| 4269 | vf+1); |
| 4270 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4271 | } |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 4272 | |
| 4273 | if (!old_vfs) { |
| 4274 | status = pci_enable_sriov(adapter->pdev, adapter->num_vfs); |
| 4275 | if (status) { |
| 4276 | dev_err(dev, "SRIOV enable failed\n"); |
| 4277 | adapter->num_vfs = 0; |
| 4278 | goto err; |
| 4279 | } |
| 4280 | } |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 4281 | |
Somnath Kotur | 884476b | 2016-06-22 08:54:55 -0400 | [diff] [blame] | 4282 | if (BE3_chip(adapter)) { |
| 4283 | /* On BE3, enable VEB only when SRIOV is enabled */ |
| 4284 | status = be_cmd_set_hsw_config(adapter, 0, 0, |
| 4285 | adapter->if_handle, |
| 4286 | PORT_FWD_TYPE_VEB, 0); |
| 4287 | if (status) |
| 4288 | goto err; |
| 4289 | } |
| 4290 | |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 4291 | adapter->flags |= BE_FLAGS_SRIOV_ENABLED; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4292 | return 0; |
| 4293 | err: |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 4294 | dev_err(dev, "VF setup failed\n"); |
| 4295 | be_vf_clear(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4296 | return status; |
| 4297 | } |
| 4298 | |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 4299 | /* Converting function_mode bits on BE3 to SH mc_type enums */ |
| 4300 | |
| 4301 | static u8 be_convert_mc_type(u32 function_mode) |
| 4302 | { |
Suresh Reddy | 66064db | 2014-06-23 16:41:29 +0530 | [diff] [blame] | 4303 | if (function_mode & VNIC_MODE && function_mode & QNQ_MODE) |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 4304 | return vNIC1; |
Suresh Reddy | 66064db | 2014-06-23 16:41:29 +0530 | [diff] [blame] | 4305 | else if (function_mode & QNQ_MODE) |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 4306 | return FLEX10; |
| 4307 | else if (function_mode & VNIC_MODE) |
| 4308 | return vNIC2; |
| 4309 | else if (function_mode & UMC_ENABLED) |
| 4310 | return UMC; |
| 4311 | else |
| 4312 | return MC_NONE; |
| 4313 | } |
| 4314 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4315 | /* On BE2/BE3 FW does not suggest the supported limits */ |
| 4316 | static void BEx_get_resources(struct be_adapter *adapter, |
| 4317 | struct be_resources *res) |
| 4318 | { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4319 | bool use_sriov = adapter->num_vfs ? 1 : 0; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4320 | |
| 4321 | if (be_physfn(adapter)) |
| 4322 | res->max_uc_mac = BE_UC_PMAC_COUNT; |
| 4323 | else |
| 4324 | res->max_uc_mac = BE_VF_UC_PMAC_COUNT; |
| 4325 | |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 4326 | adapter->mc_type = be_convert_mc_type(adapter->function_mode); |
| 4327 | |
| 4328 | if (be_is_mc(adapter)) { |
| 4329 | /* Assuming that there are 4 channels per port, |
| 4330 | * when multi-channel is enabled |
| 4331 | */ |
| 4332 | if (be_is_qnq_mode(adapter)) |
| 4333 | res->max_vlans = BE_NUM_VLANS_SUPPORTED/8; |
| 4334 | else |
| 4335 | /* In a non-qnq multichannel mode, the pvid |
| 4336 | * takes up one vlan entry |
| 4337 | */ |
| 4338 | res->max_vlans = (BE_NUM_VLANS_SUPPORTED / 4) - 1; |
| 4339 | } else { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4340 | res->max_vlans = BE_NUM_VLANS_SUPPORTED; |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 4341 | } |
| 4342 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4343 | res->max_mcast_mac = BE_MAX_MC; |
| 4344 | |
Vasundhara Volam | a5243da | 2014-03-11 18:53:07 +0530 | [diff] [blame] | 4345 | /* 1) For BE3 1Gb ports, FW does not support multiple TXQs |
| 4346 | * 2) Create multiple TX rings on a BE3-R multi-channel interface |
| 4347 | * *only* if it is RSS-capable. |
| 4348 | */ |
| 4349 | if (BE2_chip(adapter) || use_sriov || (adapter->port_num > 1) || |
Kalesh AP | 18c57c7 | 2015-05-06 05:30:38 -0400 | [diff] [blame] | 4350 | be_virtfn(adapter) || |
| 4351 | (be_is_mc(adapter) && |
| 4352 | !(adapter->function_caps & BE_FUNCTION_CAPS_RSS))) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4353 | res->max_tx_qs = 1; |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 4354 | } else if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { |
| 4355 | struct be_resources super_nic_res = {0}; |
| 4356 | |
| 4357 | /* On a SuperNIC profile, the driver needs to use the |
| 4358 | * GET_PROFILE_CONFIG cmd to query the per-function TXQ limits |
| 4359 | */ |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4360 | be_cmd_get_profile_config(adapter, &super_nic_res, NULL, |
| 4361 | ACTIVE_PROFILE_TYPE, RESOURCE_LIMITS, |
| 4362 | 0); |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 4363 | /* Some old versions of BE3 FW don't report max_tx_qs value */ |
| 4364 | res->max_tx_qs = super_nic_res.max_tx_qs ? : BE3_MAX_TX_QS; |
| 4365 | } else { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4366 | res->max_tx_qs = BE3_MAX_TX_QS; |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 4367 | } |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4368 | |
| 4369 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && |
| 4370 | !use_sriov && be_physfn(adapter)) |
| 4371 | res->max_rss_qs = (adapter->be3_native) ? |
| 4372 | BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; |
| 4373 | res->max_rx_qs = res->max_rss_qs + 1; |
| 4374 | |
Suresh Reddy | e3dc867 | 2014-01-06 13:02:25 +0530 | [diff] [blame] | 4375 | if (be_physfn(adapter)) |
Vasundhara Volam | d3518e2 | 2014-07-17 16:20:29 +0530 | [diff] [blame] | 4376 | res->max_evt_qs = (be_max_vfs(adapter) > 0) ? |
Suresh Reddy | e3dc867 | 2014-01-06 13:02:25 +0530 | [diff] [blame] | 4377 | BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS; |
| 4378 | else |
| 4379 | res->max_evt_qs = 1; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4380 | |
| 4381 | res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 4382 | res->if_cap_flags &= ~BE_IF_FLAGS_DEFQ_RSS; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4383 | if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) |
| 4384 | res->if_cap_flags &= ~BE_IF_FLAGS_RSS; |
| 4385 | } |
| 4386 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4387 | static void be_setup_init(struct be_adapter *adapter) |
| 4388 | { |
| 4389 | adapter->vlan_prio_bmap = 0xff; |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 4390 | adapter->phy.link_speed = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4391 | adapter->if_handle = -1; |
| 4392 | adapter->be3_native = false; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 4393 | adapter->if_flags = 0; |
Ajit Khaparde | 51d1f98 | 2016-02-10 22:45:54 +0530 | [diff] [blame] | 4394 | adapter->phy_state = BE_UNKNOWN_PHY_STATE; |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4395 | if (be_physfn(adapter)) |
| 4396 | adapter->cmd_privileges = MAX_PRIVILEGES; |
| 4397 | else |
| 4398 | adapter->cmd_privileges = MIN_PRIVILEGES; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4399 | } |
| 4400 | |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4401 | /* HW supports only MAX_PORT_RSS_TABLES RSS Policy Tables per port. |
| 4402 | * However, this HW limitation is not exposed to the host via any SLI cmd. |
| 4403 | * As a result, in the case of SRIOV and in particular multi-partition configs |
| 4404 | * the driver needs to calcuate a proportional share of RSS Tables per PF-pool |
| 4405 | * for distribution between the VFs. This self-imposed limit will determine the |
| 4406 | * no: of VFs for which RSS can be enabled. |
| 4407 | */ |
Baoyou Xie | d766e7e | 2016-09-18 16:35:29 +0800 | [diff] [blame] | 4408 | static void be_calculate_pf_pool_rss_tables(struct be_adapter *adapter) |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4409 | { |
| 4410 | struct be_port_resources port_res = {0}; |
| 4411 | u8 rss_tables_on_port; |
| 4412 | u16 max_vfs = be_max_vfs(adapter); |
| 4413 | |
| 4414 | be_cmd_get_profile_config(adapter, NULL, &port_res, SAVED_PROFILE_TYPE, |
| 4415 | RESOURCE_LIMITS, 0); |
| 4416 | |
| 4417 | rss_tables_on_port = MAX_PORT_RSS_TABLES - port_res.nic_pfs; |
| 4418 | |
| 4419 | /* Each PF Pool's RSS Tables limit = |
| 4420 | * PF's Max VFs / Total_Max_VFs on Port * RSS Tables on Port |
| 4421 | */ |
| 4422 | adapter->pool_res.max_rss_tables = |
| 4423 | max_vfs * rss_tables_on_port / port_res.max_vfs; |
| 4424 | } |
| 4425 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4426 | static int be_get_sriov_config(struct be_adapter *adapter) |
| 4427 | { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4428 | struct be_resources res = {0}; |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 4429 | int max_vfs, old_vfs; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4430 | |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4431 | be_cmd_get_profile_config(adapter, &res, NULL, ACTIVE_PROFILE_TYPE, |
| 4432 | RESOURCE_LIMITS, 0); |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 4433 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4434 | /* Some old versions of BE3 FW don't report max_vfs value */ |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4435 | if (BE3_chip(adapter) && !res.max_vfs) { |
| 4436 | max_vfs = pci_sriov_get_totalvfs(adapter->pdev); |
| 4437 | res.max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; |
| 4438 | } |
| 4439 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 4440 | adapter->pool_res = res; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4441 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4442 | /* If during previous unload of the driver, the VFs were not disabled, |
| 4443 | * then we cannot rely on the PF POOL limits for the TotalVFs value. |
| 4444 | * Instead use the TotalVFs value stored in the pci-dev struct. |
| 4445 | */ |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4446 | old_vfs = pci_num_vf(adapter->pdev); |
| 4447 | if (old_vfs) { |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4448 | dev_info(&adapter->pdev->dev, "%d VFs are already enabled\n", |
| 4449 | old_vfs); |
| 4450 | |
| 4451 | adapter->pool_res.max_vfs = |
| 4452 | pci_sriov_get_totalvfs(adapter->pdev); |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4453 | adapter->num_vfs = old_vfs; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4454 | } |
| 4455 | |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4456 | if (skyhawk_chip(adapter) && be_max_vfs(adapter) && !old_vfs) { |
| 4457 | be_calculate_pf_pool_rss_tables(adapter); |
| 4458 | dev_info(&adapter->pdev->dev, |
| 4459 | "RSS can be enabled for all VFs if num_vfs <= %d\n", |
| 4460 | be_max_pf_pool_rss_tables(adapter)); |
| 4461 | } |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4462 | return 0; |
| 4463 | } |
| 4464 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4465 | static void be_alloc_sriov_res(struct be_adapter *adapter) |
| 4466 | { |
| 4467 | int old_vfs = pci_num_vf(adapter->pdev); |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4468 | struct be_resources vft_res = {0}; |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4469 | int status; |
| 4470 | |
| 4471 | be_get_sriov_config(adapter); |
| 4472 | |
| 4473 | if (!old_vfs) |
| 4474 | pci_sriov_set_totalvfs(adapter->pdev, be_max_vfs(adapter)); |
| 4475 | |
| 4476 | /* When the HW is in SRIOV capable configuration, the PF-pool |
| 4477 | * resources are given to PF during driver load, if there are no |
| 4478 | * old VFs. This facility is not available in BE3 FW. |
| 4479 | * Also, this is done by FW in Lancer chip. |
| 4480 | */ |
| 4481 | if (skyhawk_chip(adapter) && be_max_vfs(adapter) && !old_vfs) { |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4482 | be_calculate_vf_res(adapter, 0, &vft_res); |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4483 | status = be_cmd_set_sriov_config(adapter, adapter->pool_res, 0, |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 4484 | &vft_res); |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4485 | if (status) |
| 4486 | dev_err(&adapter->pdev->dev, |
| 4487 | "Failed to optimize SRIOV resources\n"); |
| 4488 | } |
| 4489 | } |
| 4490 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4491 | static int be_get_resources(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4492 | { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4493 | struct device *dev = &adapter->pdev->dev; |
| 4494 | struct be_resources res = {0}; |
| 4495 | int status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4496 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4497 | /* For Lancer, SH etc read per-function resource limits from FW. |
| 4498 | * GET_FUNC_CONFIG returns per function guaranteed limits. |
| 4499 | * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits |
| 4500 | */ |
Sathya Perla | ce7faf0 | 2016-06-22 08:54:53 -0400 | [diff] [blame] | 4501 | if (BEx_chip(adapter)) { |
| 4502 | BEx_get_resources(adapter, &res); |
| 4503 | } else { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4504 | status = be_cmd_get_func_config(adapter, &res); |
| 4505 | if (status) |
| 4506 | return status; |
| 4507 | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 4508 | /* If a deafault RXQ must be created, we'll use up one RSSQ*/ |
| 4509 | if (res.max_rss_qs && res.max_rss_qs == res.max_rx_qs && |
| 4510 | !(res.if_cap_flags & BE_IF_FLAGS_DEFQ_RSS)) |
| 4511 | res.max_rss_qs -= 1; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4512 | } |
| 4513 | |
Sathya Perla | ce7faf0 | 2016-06-22 08:54:53 -0400 | [diff] [blame] | 4514 | /* If RoCE is supported stash away half the EQs for RoCE */ |
| 4515 | res.max_nic_evt_qs = be_roce_supported(adapter) ? |
| 4516 | res.max_evt_qs / 2 : res.max_evt_qs; |
| 4517 | adapter->res = res; |
| 4518 | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 4519 | /* If FW supports RSS default queue, then skip creating non-RSS |
| 4520 | * queue for non-IP traffic. |
| 4521 | */ |
| 4522 | adapter->need_def_rxq = (be_if_cap_flags(adapter) & |
| 4523 | BE_IF_FLAGS_DEFQ_RSS) ? 0 : 1; |
| 4524 | |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 4525 | dev_info(dev, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n", |
| 4526 | be_max_txqs(adapter), be_max_rxqs(adapter), |
Sathya Perla | ce7faf0 | 2016-06-22 08:54:53 -0400 | [diff] [blame] | 4527 | be_max_rss(adapter), be_max_nic_eqs(adapter), |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 4528 | be_max_vfs(adapter)); |
| 4529 | dev_info(dev, "Max: uc-macs %d, mc-macs %d, vlans %d\n", |
| 4530 | be_max_uc(adapter), be_max_mc(adapter), |
| 4531 | be_max_vlans(adapter)); |
| 4532 | |
Sathya Perla | e261768 | 2016-06-22 08:54:54 -0400 | [diff] [blame] | 4533 | /* Ensure RX and TX queues are created in pairs at init time */ |
| 4534 | adapter->cfg_num_rx_irqs = |
| 4535 | min_t(u16, netif_get_num_default_rss_queues(), |
| 4536 | be_max_qp_irqs(adapter)); |
| 4537 | adapter->cfg_num_tx_irqs = adapter->cfg_num_rx_irqs; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4538 | return 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4539 | } |
| 4540 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4541 | static int be_get_config(struct be_adapter *adapter) |
| 4542 | { |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 4543 | int status, level; |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 4544 | u16 profile_id; |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 4545 | |
Suresh Reddy | 980df24 | 2015-12-30 01:29:03 -0500 | [diff] [blame] | 4546 | status = be_cmd_get_cntl_attributes(adapter); |
| 4547 | if (status) |
| 4548 | return status; |
| 4549 | |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 4550 | status = be_cmd_query_fw_cfg(adapter); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4551 | if (status) |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4552 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4553 | |
Venkat Duvvuru | fd7ff6f | 2015-12-30 01:29:04 -0500 | [diff] [blame] | 4554 | if (!lancer_chip(adapter) && be_physfn(adapter)) |
| 4555 | be_cmd_get_fat_dump_len(adapter, &adapter->fat_dump_len); |
| 4556 | |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 4557 | if (BEx_chip(adapter)) { |
| 4558 | level = be_cmd_get_fw_log_level(adapter); |
| 4559 | adapter->msg_enable = |
| 4560 | level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; |
| 4561 | } |
| 4562 | |
| 4563 | be_cmd_get_acpi_wol_cap(adapter); |
Sriharsha Basavapatna | 45f13df | 2016-06-06 07:22:09 -0400 | [diff] [blame] | 4564 | pci_enable_wake(adapter->pdev, PCI_D3hot, adapter->wol_en); |
| 4565 | pci_enable_wake(adapter->pdev, PCI_D3cold, adapter->wol_en); |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 4566 | |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 4567 | be_cmd_query_port_name(adapter); |
| 4568 | |
| 4569 | if (be_physfn(adapter)) { |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 4570 | status = be_cmd_get_active_profile(adapter, &profile_id); |
| 4571 | if (!status) |
| 4572 | dev_info(&adapter->pdev->dev, |
| 4573 | "Using profile 0x%x\n", profile_id); |
Vasundhara Volam | 962bcb7 | 2014-07-17 16:20:30 +0530 | [diff] [blame] | 4574 | } |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4575 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4576 | return 0; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4577 | } |
| 4578 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 4579 | static int be_mac_setup(struct be_adapter *adapter) |
| 4580 | { |
| 4581 | u8 mac[ETH_ALEN]; |
| 4582 | int status; |
| 4583 | |
| 4584 | if (is_zero_ether_addr(adapter->netdev->dev_addr)) { |
| 4585 | status = be_cmd_get_perm_mac(adapter, mac); |
| 4586 | if (status) |
| 4587 | return status; |
| 4588 | |
| 4589 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); |
| 4590 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); |
Ivan Vecera | 6129fd9 | 2017-01-31 20:01:31 +0100 | [diff] [blame] | 4591 | |
| 4592 | /* Initial MAC for BE3 VFs is already programmed by PF */ |
| 4593 | if (BEx_chip(adapter) && be_virtfn(adapter)) |
| 4594 | memcpy(adapter->dev_mac, mac, ETH_ALEN); |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 4595 | } |
| 4596 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 4597 | return 0; |
| 4598 | } |
| 4599 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4600 | static void be_schedule_worker(struct be_adapter *adapter) |
| 4601 | { |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 4602 | queue_delayed_work(be_wq, &adapter->work, msecs_to_jiffies(1000)); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4603 | adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; |
| 4604 | } |
| 4605 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 4606 | static void be_destroy_err_recovery_workq(void) |
| 4607 | { |
| 4608 | if (!be_err_recovery_workq) |
| 4609 | return; |
| 4610 | |
| 4611 | flush_workqueue(be_err_recovery_workq); |
| 4612 | destroy_workqueue(be_err_recovery_workq); |
| 4613 | be_err_recovery_workq = NULL; |
| 4614 | } |
| 4615 | |
Padmanabh Ratnakar | 972f37b | 2016-02-03 09:49:22 +0530 | [diff] [blame] | 4616 | static void be_schedule_err_detection(struct be_adapter *adapter, u32 delay) |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 4617 | { |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 4618 | struct be_error_recovery *err_rec = &adapter->error_recovery; |
| 4619 | |
| 4620 | if (!be_err_recovery_workq) |
| 4621 | return; |
| 4622 | |
| 4623 | queue_delayed_work(be_err_recovery_workq, &err_rec->err_detection_work, |
| 4624 | msecs_to_jiffies(delay)); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 4625 | adapter->flags |= BE_FLAGS_ERR_DETECTION_SCHEDULED; |
| 4626 | } |
| 4627 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 4628 | static int be_setup_queues(struct be_adapter *adapter) |
| 4629 | { |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4630 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 4631 | int status; |
| 4632 | |
| 4633 | status = be_evt_queues_create(adapter); |
| 4634 | if (status) |
| 4635 | goto err; |
| 4636 | |
| 4637 | status = be_tx_qs_create(adapter); |
| 4638 | if (status) |
| 4639 | goto err; |
| 4640 | |
| 4641 | status = be_rx_cqs_create(adapter); |
| 4642 | if (status) |
| 4643 | goto err; |
| 4644 | |
| 4645 | status = be_mcc_queues_create(adapter); |
| 4646 | if (status) |
| 4647 | goto err; |
| 4648 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4649 | status = netif_set_real_num_rx_queues(netdev, adapter->num_rx_qs); |
| 4650 | if (status) |
| 4651 | goto err; |
| 4652 | |
| 4653 | status = netif_set_real_num_tx_queues(netdev, adapter->num_tx_qs); |
| 4654 | if (status) |
| 4655 | goto err; |
| 4656 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 4657 | return 0; |
| 4658 | err: |
| 4659 | dev_err(&adapter->pdev->dev, "queue_setup failed\n"); |
| 4660 | return status; |
| 4661 | } |
| 4662 | |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 4663 | static int be_if_create(struct be_adapter *adapter) |
| 4664 | { |
| 4665 | u32 en_flags = BE_IF_FLAGS_RSS | BE_IF_FLAGS_DEFQ_RSS; |
| 4666 | u32 cap_flags = be_if_cap_flags(adapter); |
| 4667 | int status; |
| 4668 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 4669 | /* alloc required memory for other filtering fields */ |
| 4670 | adapter->pmac_id = kcalloc(be_max_uc(adapter), |
| 4671 | sizeof(*adapter->pmac_id), GFP_KERNEL); |
| 4672 | if (!adapter->pmac_id) |
| 4673 | return -ENOMEM; |
| 4674 | |
| 4675 | adapter->mc_list = kcalloc(be_max_mc(adapter), |
| 4676 | sizeof(*adapter->mc_list), GFP_KERNEL); |
| 4677 | if (!adapter->mc_list) |
| 4678 | return -ENOMEM; |
| 4679 | |
| 4680 | adapter->uc_list = kcalloc(be_max_uc(adapter), |
| 4681 | sizeof(*adapter->uc_list), GFP_KERNEL); |
| 4682 | if (!adapter->uc_list) |
| 4683 | return -ENOMEM; |
| 4684 | |
Sathya Perla | e261768 | 2016-06-22 08:54:54 -0400 | [diff] [blame] | 4685 | if (adapter->cfg_num_rx_irqs == 1) |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 4686 | cap_flags &= ~(BE_IF_FLAGS_DEFQ_RSS | BE_IF_FLAGS_RSS); |
| 4687 | |
| 4688 | en_flags &= cap_flags; |
| 4689 | /* will enable all the needed filter flags in be_open() */ |
| 4690 | status = be_cmd_if_create(adapter, be_if_cap_flags(adapter), en_flags, |
| 4691 | &adapter->if_handle, 0); |
| 4692 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 4693 | if (status) |
| 4694 | return status; |
| 4695 | |
| 4696 | return 0; |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 4697 | } |
| 4698 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4699 | int be_update_queues(struct be_adapter *adapter) |
| 4700 | { |
| 4701 | struct net_device *netdev = adapter->netdev; |
| 4702 | int status; |
| 4703 | |
| 4704 | if (netif_running(netdev)) |
| 4705 | be_close(netdev); |
| 4706 | |
| 4707 | be_cancel_worker(adapter); |
| 4708 | |
| 4709 | /* If any vectors have been shared with RoCE we cannot re-program |
| 4710 | * the MSIx table. |
| 4711 | */ |
| 4712 | if (!adapter->num_msix_roce_vec) |
| 4713 | be_msix_disable(adapter); |
| 4714 | |
| 4715 | be_clear_queues(adapter); |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 4716 | status = be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
| 4717 | if (status) |
| 4718 | return status; |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4719 | |
| 4720 | if (!msix_enabled(adapter)) { |
| 4721 | status = be_msix_enable(adapter); |
| 4722 | if (status) |
| 4723 | return status; |
| 4724 | } |
| 4725 | |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 4726 | status = be_if_create(adapter); |
| 4727 | if (status) |
| 4728 | return status; |
| 4729 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4730 | status = be_setup_queues(adapter); |
| 4731 | if (status) |
| 4732 | return status; |
| 4733 | |
| 4734 | be_schedule_worker(adapter); |
| 4735 | |
| 4736 | if (netif_running(netdev)) |
| 4737 | status = be_open(netdev); |
| 4738 | |
| 4739 | return status; |
| 4740 | } |
| 4741 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 4742 | static inline int fw_major_num(const char *fw_ver) |
| 4743 | { |
| 4744 | int fw_major = 0, i; |
| 4745 | |
| 4746 | i = sscanf(fw_ver, "%d.", &fw_major); |
| 4747 | if (i != 1) |
| 4748 | return 0; |
| 4749 | |
| 4750 | return fw_major; |
| 4751 | } |
| 4752 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 4753 | /* If it is error recovery, FLR the PF |
| 4754 | * Else if any VFs are already enabled don't FLR the PF |
| 4755 | */ |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 4756 | static bool be_reset_required(struct be_adapter *adapter) |
| 4757 | { |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 4758 | if (be_error_recovering(adapter)) |
| 4759 | return true; |
| 4760 | else |
| 4761 | return pci_num_vf(adapter->pdev) == 0; |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 4762 | } |
| 4763 | |
| 4764 | /* Wait for the FW to be ready and perform the required initialization */ |
| 4765 | static int be_func_init(struct be_adapter *adapter) |
| 4766 | { |
| 4767 | int status; |
| 4768 | |
| 4769 | status = be_fw_wait_ready(adapter); |
| 4770 | if (status) |
| 4771 | return status; |
| 4772 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 4773 | /* FW is now ready; clear errors to allow cmds/doorbell */ |
| 4774 | be_clear_error(adapter, BE_CLEAR_ALL); |
| 4775 | |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 4776 | if (be_reset_required(adapter)) { |
| 4777 | status = be_cmd_reset_function(adapter); |
| 4778 | if (status) |
| 4779 | return status; |
| 4780 | |
| 4781 | /* Wait for interrupts to quiesce after an FLR */ |
| 4782 | msleep(100); |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 4783 | } |
| 4784 | |
| 4785 | /* Tell FW we're ready to fire cmds */ |
| 4786 | status = be_cmd_fw_init(adapter); |
| 4787 | if (status) |
| 4788 | return status; |
| 4789 | |
| 4790 | /* Allow interrupts for other ULPs running on NIC function */ |
| 4791 | be_intr_set(adapter, true); |
| 4792 | |
| 4793 | return 0; |
| 4794 | } |
| 4795 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4796 | static int be_setup(struct be_adapter *adapter) |
| 4797 | { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4798 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4799 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4800 | |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 4801 | status = be_func_init(adapter); |
| 4802 | if (status) |
| 4803 | return status; |
| 4804 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4805 | be_setup_init(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4806 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4807 | if (!lancer_chip(adapter)) |
| 4808 | be_cmd_req_native_mode(adapter); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4809 | |
Suresh Reddy | 980df24 | 2015-12-30 01:29:03 -0500 | [diff] [blame] | 4810 | /* invoke this cmd first to get pf_num and vf_num which are needed |
| 4811 | * for issuing profile related cmds |
| 4812 | */ |
| 4813 | if (!BEx_chip(adapter)) { |
| 4814 | status = be_cmd_get_func_config(adapter, NULL); |
| 4815 | if (status) |
| 4816 | return status; |
| 4817 | } |
Somnath Kotur | 72ef3a8 | 2015-10-12 03:47:20 -0400 | [diff] [blame] | 4818 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4819 | status = be_get_config(adapter); |
| 4820 | if (status) |
| 4821 | goto err; |
Sathya Perla | 2dc1deb | 2011-07-19 19:52:33 +0000 | [diff] [blame] | 4822 | |
Somnath Kotur | de2b1e0 | 2016-06-06 07:22:10 -0400 | [diff] [blame] | 4823 | if (!BE2_chip(adapter) && be_physfn(adapter)) |
| 4824 | be_alloc_sriov_res(adapter); |
| 4825 | |
| 4826 | status = be_get_resources(adapter); |
| 4827 | if (status) |
| 4828 | goto err; |
| 4829 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 4830 | status = be_msix_enable(adapter); |
| 4831 | if (status) |
| 4832 | goto err; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4833 | |
Kalesh AP | bcc8414 | 2015-08-05 03:27:48 -0400 | [diff] [blame] | 4834 | /* will enable all the needed filter flags in be_open() */ |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 4835 | status = be_if_create(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4836 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4837 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4838 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4839 | /* Updating real_num_tx/rx_queues() requires rtnl_lock() */ |
| 4840 | rtnl_lock(); |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 4841 | status = be_setup_queues(adapter); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4842 | rtnl_unlock(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4843 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4844 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4845 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4846 | be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4847 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 4848 | status = be_mac_setup(adapter); |
| 4849 | if (status) |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 4850 | goto err; |
| 4851 | |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 4852 | be_cmd_get_fw_ver(adapter); |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 4853 | dev_info(dev, "FW version is %s\n", adapter->fw_ver); |
Somnath Kotur | 5a56eb1 | 2011-09-30 07:24:28 +0000 | [diff] [blame] | 4854 | |
Somnath Kotur | e9e2a90 | 2013-10-24 14:37:53 +0530 | [diff] [blame] | 4855 | if (BE2_chip(adapter) && fw_major_num(adapter->fw_ver) < 4) { |
Vasundhara Volam | 5076266 | 2014-09-12 17:39:14 +0530 | [diff] [blame] | 4856 | dev_err(dev, "Firmware on card is old(%s), IRQs may not work", |
Somnath Kotur | e9e2a90 | 2013-10-24 14:37:53 +0530 | [diff] [blame] | 4857 | adapter->fw_ver); |
| 4858 | dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); |
| 4859 | } |
| 4860 | |
Kalesh AP | 00d594c | 2015-01-20 03:51:44 -0500 | [diff] [blame] | 4861 | status = be_cmd_set_flow_control(adapter, adapter->tx_fc, |
| 4862 | adapter->rx_fc); |
| 4863 | if (status) |
| 4864 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, |
| 4865 | &adapter->rx_fc); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 4866 | |
Kalesh AP | 00d594c | 2015-01-20 03:51:44 -0500 | [diff] [blame] | 4867 | dev_info(&adapter->pdev->dev, "HW Flow control - TX:%d RX:%d\n", |
| 4868 | adapter->tx_fc, adapter->rx_fc); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4869 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 4870 | if (be_physfn(adapter)) |
| 4871 | be_cmd_set_logical_link_config(adapter, |
| 4872 | IFLA_VF_LINK_STATE_AUTO, 0); |
| 4873 | |
Somnath Kotur | 884476b | 2016-06-22 08:54:55 -0400 | [diff] [blame] | 4874 | /* BE3 EVB echoes broadcast/multicast packets back to PF's vport |
| 4875 | * confusing a linux bridge or OVS that it might be connected to. |
| 4876 | * Set the EVB to PASSTHRU mode which effectively disables the EVB |
| 4877 | * when SRIOV is not enabled. |
| 4878 | */ |
| 4879 | if (BE3_chip(adapter)) |
| 4880 | be_cmd_set_hsw_config(adapter, 0, 0, adapter->if_handle, |
| 4881 | PORT_FWD_TYPE_PASSTHRU, 0); |
| 4882 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4883 | if (adapter->num_vfs) |
| 4884 | be_vf_setup(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4885 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4886 | status = be_cmd_get_phy_info(adapter); |
| 4887 | if (!status && be_pause_supported(adapter)) |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 4888 | adapter->phy.fc_autoneg = 1; |
| 4889 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 4890 | if (be_physfn(adapter) && !lancer_chip(adapter)) |
| 4891 | be_cmd_set_features(adapter); |
| 4892 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4893 | be_schedule_worker(adapter); |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 4894 | adapter->flags |= BE_FLAGS_SETUP_DONE; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4895 | return 0; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4896 | err: |
| 4897 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4898 | return status; |
| 4899 | } |
| 4900 | |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4901 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 4902 | static void be_netpoll(struct net_device *netdev) |
| 4903 | { |
| 4904 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4905 | struct be_eq_obj *eqo; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4906 | int i; |
| 4907 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 4908 | for_all_evt_queues(adapter, eqo, i) { |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 4909 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0, 0); |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 4910 | napi_schedule(&eqo->napi); |
| 4911 | } |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4912 | } |
| 4913 | #endif |
| 4914 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4915 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) |
| 4916 | { |
| 4917 | const struct firmware *fw; |
| 4918 | int status; |
| 4919 | |
| 4920 | if (!netif_running(adapter->netdev)) { |
| 4921 | dev_err(&adapter->pdev->dev, |
| 4922 | "Firmware load not allowed (interface is down)\n"); |
Kalesh AP | 940a3fc | 2014-07-17 16:20:19 +0530 | [diff] [blame] | 4923 | return -ENETDOWN; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4924 | } |
| 4925 | |
| 4926 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); |
| 4927 | if (status) |
| 4928 | goto fw_exit; |
| 4929 | |
| 4930 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
| 4931 | |
| 4932 | if (lancer_chip(adapter)) |
| 4933 | status = lancer_fw_download(adapter, fw); |
| 4934 | else |
| 4935 | status = be_fw_download(adapter, fw); |
| 4936 | |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 4937 | if (!status) |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 4938 | be_cmd_get_fw_ver(adapter); |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 4939 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4940 | fw_exit: |
| 4941 | release_firmware(fw); |
| 4942 | return status; |
| 4943 | } |
| 4944 | |
Roopa Prabhu | add511b | 2015-01-29 22:40:12 -0800 | [diff] [blame] | 4945 | static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, |
| 4946 | u16 flags) |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4947 | { |
| 4948 | struct be_adapter *adapter = netdev_priv(dev); |
| 4949 | struct nlattr *attr, *br_spec; |
| 4950 | int rem; |
| 4951 | int status = 0; |
| 4952 | u16 mode = 0; |
| 4953 | |
| 4954 | if (!sriov_enabled(adapter)) |
| 4955 | return -EOPNOTSUPP; |
| 4956 | |
| 4957 | br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
Thomas Graf | 4ea85e8 | 2014-11-26 13:42:18 +0100 | [diff] [blame] | 4958 | if (!br_spec) |
| 4959 | return -EINVAL; |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4960 | |
| 4961 | nla_for_each_nested(attr, br_spec, rem) { |
| 4962 | if (nla_type(attr) != IFLA_BRIDGE_MODE) |
| 4963 | continue; |
| 4964 | |
Thomas Graf | b7c1a31 | 2014-11-26 13:42:17 +0100 | [diff] [blame] | 4965 | if (nla_len(attr) < sizeof(mode)) |
| 4966 | return -EINVAL; |
| 4967 | |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4968 | mode = nla_get_u16(attr); |
Suresh Reddy | ac0f5fb | 2015-12-30 01:28:57 -0500 | [diff] [blame] | 4969 | if (BE3_chip(adapter) && mode == BRIDGE_MODE_VEPA) |
| 4970 | return -EOPNOTSUPP; |
| 4971 | |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4972 | if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) |
| 4973 | return -EINVAL; |
| 4974 | |
| 4975 | status = be_cmd_set_hsw_config(adapter, 0, 0, |
| 4976 | adapter->if_handle, |
| 4977 | mode == BRIDGE_MODE_VEPA ? |
| 4978 | PORT_FWD_TYPE_VEPA : |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 4979 | PORT_FWD_TYPE_VEB, 0); |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4980 | if (status) |
| 4981 | goto err; |
| 4982 | |
| 4983 | dev_info(&adapter->pdev->dev, "enabled switch mode: %s\n", |
| 4984 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); |
| 4985 | |
| 4986 | return status; |
| 4987 | } |
| 4988 | err: |
| 4989 | dev_err(&adapter->pdev->dev, "Failed to set switch mode %s\n", |
| 4990 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); |
| 4991 | |
| 4992 | return status; |
| 4993 | } |
| 4994 | |
| 4995 | static int be_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
Nicolas Dichtel | 46c264d | 2015-04-28 18:33:49 +0200 | [diff] [blame] | 4996 | struct net_device *dev, u32 filter_mask, |
| 4997 | int nlflags) |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4998 | { |
| 4999 | struct be_adapter *adapter = netdev_priv(dev); |
| 5000 | int status = 0; |
| 5001 | u8 hsw_mode; |
| 5002 | |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 5003 | /* BE and Lancer chips support VEB mode only */ |
| 5004 | if (BEx_chip(adapter) || lancer_chip(adapter)) { |
Ivan Vecera | 8431706 | 2016-02-11 12:42:26 +0100 | [diff] [blame] | 5005 | /* VEB is disabled in non-SR-IOV profiles on BE3/Lancer */ |
| 5006 | if (!pci_sriov_get_totalvfs(adapter->pdev)) |
| 5007 | return 0; |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 5008 | hsw_mode = PORT_FWD_TYPE_VEB; |
| 5009 | } else { |
| 5010 | status = be_cmd_get_hsw_config(adapter, NULL, 0, |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 5011 | adapter->if_handle, &hsw_mode, |
| 5012 | NULL); |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 5013 | if (status) |
| 5014 | return 0; |
Kalesh Purayil | ff9ed19 | 2015-07-10 05:32:44 -0400 | [diff] [blame] | 5015 | |
| 5016 | if (hsw_mode == PORT_FWD_TYPE_PASSTHRU) |
| 5017 | return 0; |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 5018 | } |
| 5019 | |
| 5020 | return ndo_dflt_bridge_getlink(skb, pid, seq, dev, |
| 5021 | hsw_mode == PORT_FWD_TYPE_VEPA ? |
Scott Feldman | 2c3c031 | 2014-11-28 14:34:25 +0100 | [diff] [blame] | 5022 | BRIDGE_MODE_VEPA : BRIDGE_MODE_VEB, |
Scott Feldman | 7d4f8d8 | 2015-06-22 00:27:17 -0700 | [diff] [blame] | 5023 | 0, 0, nlflags, filter_mask, NULL); |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 5024 | } |
| 5025 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5026 | static struct be_cmd_work *be_alloc_work(struct be_adapter *adapter, |
| 5027 | void (*func)(struct work_struct *)) |
| 5028 | { |
| 5029 | struct be_cmd_work *work; |
| 5030 | |
| 5031 | work = kzalloc(sizeof(*work), GFP_ATOMIC); |
| 5032 | if (!work) { |
| 5033 | dev_err(&adapter->pdev->dev, |
| 5034 | "be_work memory allocation failed\n"); |
| 5035 | return NULL; |
| 5036 | } |
| 5037 | |
| 5038 | INIT_WORK(&work->work, func); |
| 5039 | work->adapter = adapter; |
| 5040 | return work; |
| 5041 | } |
| 5042 | |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5043 | /* VxLAN offload Notes: |
| 5044 | * |
| 5045 | * The stack defines tunnel offload flags (hw_enc_features) for IP and doesn't |
| 5046 | * distinguish various types of transports (VxLAN, GRE, NVGRE ..). So, offload |
| 5047 | * is expected to work across all types of IP tunnels once exported. Skyhawk |
| 5048 | * supports offloads for either VxLAN or NVGRE, exclusively. So we export VxLAN |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 5049 | * offloads in hw_enc_features only when a VxLAN port is added. If other (non |
| 5050 | * VxLAN) tunnels are configured while VxLAN offloads are enabled, offloads for |
| 5051 | * those other tunnels are unexported on the fly through ndo_features_check(). |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5052 | * |
| 5053 | * Skyhawk supports VxLAN offloads only for one UDP dport. So, if the stack |
| 5054 | * adds more than one port, disable offloads and don't re-enable them again |
| 5055 | * until after all the tunnels are removed. |
| 5056 | */ |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5057 | static void be_work_add_vxlan_port(struct work_struct *work) |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5058 | { |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5059 | struct be_cmd_work *cmd_work = |
| 5060 | container_of(work, struct be_cmd_work, work); |
| 5061 | struct be_adapter *adapter = cmd_work->adapter; |
| 5062 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5063 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5064 | __be16 port = cmd_work->info.vxlan_port; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5065 | int status; |
| 5066 | |
Jiri Benc | 1e5b311 | 2015-09-17 16:11:13 +0200 | [diff] [blame] | 5067 | if (adapter->vxlan_port == port && adapter->vxlan_port_count) { |
| 5068 | adapter->vxlan_port_aliases++; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5069 | goto done; |
Jiri Benc | 1e5b311 | 2015-09-17 16:11:13 +0200 | [diff] [blame] | 5070 | } |
| 5071 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5072 | if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) { |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5073 | dev_info(dev, |
| 5074 | "Only one UDP port supported for VxLAN offloads\n"); |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5075 | dev_info(dev, "Disabling VxLAN offloads\n"); |
| 5076 | adapter->vxlan_port_count++; |
| 5077 | goto err; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5078 | } |
| 5079 | |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5080 | if (adapter->vxlan_port_count++ >= 1) |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5081 | goto done; |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5082 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5083 | status = be_cmd_manage_iface(adapter, adapter->if_handle, |
| 5084 | OP_CONVERT_NORMAL_TO_TUNNEL); |
| 5085 | if (status) { |
| 5086 | dev_warn(dev, "Failed to convert normal interface to tunnel\n"); |
| 5087 | goto err; |
| 5088 | } |
| 5089 | |
| 5090 | status = be_cmd_set_vxlan_port(adapter, port); |
| 5091 | if (status) { |
| 5092 | dev_warn(dev, "Failed to add VxLAN port\n"); |
| 5093 | goto err; |
| 5094 | } |
| 5095 | adapter->flags |= BE_FLAGS_VXLAN_OFFLOADS; |
| 5096 | adapter->vxlan_port = port; |
| 5097 | |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5098 | netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
| 5099 | NETIF_F_TSO | NETIF_F_TSO6 | |
| 5100 | NETIF_F_GSO_UDP_TUNNEL; |
| 5101 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; |
Sriharsha Basavapatna | ac9a3d8 | 2014-12-19 10:00:18 +0530 | [diff] [blame] | 5102 | netdev->features |= NETIF_F_GSO_UDP_TUNNEL; |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5103 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5104 | dev_info(dev, "Enabled VxLAN offloads for UDP port %d\n", |
| 5105 | be16_to_cpu(port)); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5106 | goto done; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5107 | err: |
| 5108 | be_disable_vxlan_offloads(adapter); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5109 | done: |
| 5110 | kfree(cmd_work); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5111 | } |
| 5112 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5113 | static void be_work_del_vxlan_port(struct work_struct *work) |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5114 | { |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5115 | struct be_cmd_work *cmd_work = |
| 5116 | container_of(work, struct be_cmd_work, work); |
| 5117 | struct be_adapter *adapter = cmd_work->adapter; |
| 5118 | __be16 port = cmd_work->info.vxlan_port; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5119 | |
| 5120 | if (adapter->vxlan_port != port) |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5121 | goto done; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5122 | |
Jiri Benc | 1e5b311 | 2015-09-17 16:11:13 +0200 | [diff] [blame] | 5123 | if (adapter->vxlan_port_aliases) { |
| 5124 | adapter->vxlan_port_aliases--; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5125 | goto out; |
Jiri Benc | 1e5b311 | 2015-09-17 16:11:13 +0200 | [diff] [blame] | 5126 | } |
| 5127 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5128 | be_disable_vxlan_offloads(adapter); |
| 5129 | |
| 5130 | dev_info(&adapter->pdev->dev, |
| 5131 | "Disabled VxLAN offloads for UDP port %d\n", |
| 5132 | be16_to_cpu(port)); |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 5133 | done: |
| 5134 | adapter->vxlan_port_count--; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5135 | out: |
| 5136 | kfree(cmd_work); |
| 5137 | } |
| 5138 | |
| 5139 | static void be_cfg_vxlan_port(struct net_device *netdev, |
| 5140 | struct udp_tunnel_info *ti, |
| 5141 | void (*func)(struct work_struct *)) |
| 5142 | { |
| 5143 | struct be_adapter *adapter = netdev_priv(netdev); |
| 5144 | struct be_cmd_work *cmd_work; |
| 5145 | |
| 5146 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
| 5147 | return; |
| 5148 | |
| 5149 | if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter)) |
| 5150 | return; |
| 5151 | |
| 5152 | cmd_work = be_alloc_work(adapter, func); |
| 5153 | if (cmd_work) { |
| 5154 | cmd_work->info.vxlan_port = ti->port; |
| 5155 | queue_work(be_wq, &cmd_work->work); |
| 5156 | } |
| 5157 | } |
| 5158 | |
| 5159 | static void be_del_vxlan_port(struct net_device *netdev, |
| 5160 | struct udp_tunnel_info *ti) |
| 5161 | { |
| 5162 | be_cfg_vxlan_port(netdev, ti, be_work_del_vxlan_port); |
| 5163 | } |
| 5164 | |
| 5165 | static void be_add_vxlan_port(struct net_device *netdev, |
| 5166 | struct udp_tunnel_info *ti) |
| 5167 | { |
| 5168 | be_cfg_vxlan_port(netdev, ti, be_work_add_vxlan_port); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5169 | } |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 5170 | |
Jesse Gross | 5f35227 | 2014-12-23 22:37:26 -0800 | [diff] [blame] | 5171 | static netdev_features_t be_features_check(struct sk_buff *skb, |
| 5172 | struct net_device *dev, |
| 5173 | netdev_features_t features) |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 5174 | { |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 5175 | struct be_adapter *adapter = netdev_priv(dev); |
| 5176 | u8 l4_hdr = 0; |
| 5177 | |
Vlad Yasevich | 9c6cfd5 | 2017-05-23 13:38:42 -0400 | [diff] [blame] | 5178 | /* The code below restricts offload features for some tunneled and |
| 5179 | * Q-in-Q packets. |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 5180 | * Offload features for normal (non tunnel) packets are unchanged. |
| 5181 | */ |
Vlad Yasevich | 9c6cfd5 | 2017-05-23 13:38:42 -0400 | [diff] [blame] | 5182 | features = vlan_features_check(skb, features); |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 5183 | if (!skb->encapsulation || |
| 5184 | !(adapter->flags & BE_FLAGS_VXLAN_OFFLOADS)) |
| 5185 | return features; |
| 5186 | |
| 5187 | /* It's an encapsulated packet and VxLAN offloads are enabled. We |
| 5188 | * should disable tunnel offload features if it's not a VxLAN packet, |
| 5189 | * as tunnel offloads have been enabled only for VxLAN. This is done to |
| 5190 | * allow other tunneled traffic like GRE work fine while VxLAN |
| 5191 | * offloads are configured in Skyhawk-R. |
| 5192 | */ |
| 5193 | switch (vlan_get_protocol(skb)) { |
| 5194 | case htons(ETH_P_IP): |
| 5195 | l4_hdr = ip_hdr(skb)->protocol; |
| 5196 | break; |
| 5197 | case htons(ETH_P_IPV6): |
| 5198 | l4_hdr = ipv6_hdr(skb)->nexthdr; |
| 5199 | break; |
| 5200 | default: |
| 5201 | return features; |
| 5202 | } |
| 5203 | |
| 5204 | if (l4_hdr != IPPROTO_UDP || |
| 5205 | skb->inner_protocol_type != ENCAP_TYPE_ETHER || |
| 5206 | skb->inner_protocol != htons(ETH_P_TEB) || |
| 5207 | skb_inner_mac_header(skb) - skb_transport_header(skb) != |
Sabrina Dubroca | 49fc90b | 2017-01-03 16:26:04 +0100 | [diff] [blame] | 5208 | sizeof(struct udphdr) + sizeof(struct vxlanhdr) || |
| 5209 | !adapter->vxlan_port || |
| 5210 | udp_hdr(skb)->dest != adapter->vxlan_port) |
Tom Herbert | a188222 | 2015-12-14 11:19:43 -0800 | [diff] [blame] | 5211 | return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 5212 | |
| 5213 | return features; |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 5214 | } |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5215 | |
Sriharsha Basavapatna | a155a5d | 2015-07-22 11:15:12 +0530 | [diff] [blame] | 5216 | static int be_get_phys_port_id(struct net_device *dev, |
| 5217 | struct netdev_phys_item_id *ppid) |
| 5218 | { |
| 5219 | int i, id_len = CNTL_SERIAL_NUM_WORDS * CNTL_SERIAL_NUM_WORD_SZ + 1; |
| 5220 | struct be_adapter *adapter = netdev_priv(dev); |
| 5221 | u8 *id; |
| 5222 | |
| 5223 | if (MAX_PHYS_ITEM_ID_LEN < id_len) |
| 5224 | return -ENOSPC; |
| 5225 | |
| 5226 | ppid->id[0] = adapter->hba_port_num + 1; |
| 5227 | id = &ppid->id[1]; |
| 5228 | for (i = CNTL_SERIAL_NUM_WORDS - 1; i >= 0; |
| 5229 | i--, id += CNTL_SERIAL_NUM_WORD_SZ) |
| 5230 | memcpy(id, &adapter->serial_num[i], CNTL_SERIAL_NUM_WORD_SZ); |
| 5231 | |
| 5232 | ppid->id_len = id_len; |
| 5233 | |
| 5234 | return 0; |
| 5235 | } |
| 5236 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5237 | static void be_set_rx_mode(struct net_device *dev) |
| 5238 | { |
| 5239 | struct be_adapter *adapter = netdev_priv(dev); |
| 5240 | struct be_cmd_work *work; |
| 5241 | |
| 5242 | work = be_alloc_work(adapter, be_work_set_rx_mode); |
| 5243 | if (work) |
| 5244 | queue_work(be_wq, &work->work); |
| 5245 | } |
| 5246 | |
stephen hemminger | e5686ad | 2012-01-05 19:10:25 +0000 | [diff] [blame] | 5247 | static const struct net_device_ops be_netdev_ops = { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5248 | .ndo_open = be_open, |
| 5249 | .ndo_stop = be_close, |
| 5250 | .ndo_start_xmit = be_xmit, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 5251 | .ndo_set_rx_mode = be_set_rx_mode, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5252 | .ndo_set_mac_address = be_mac_addr_set, |
| 5253 | .ndo_change_mtu = be_change_mtu, |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 5254 | .ndo_get_stats64 = be_get_stats64, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5255 | .ndo_validate_addr = eth_validate_addr, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5256 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
| 5257 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 5258 | .ndo_set_vf_mac = be_set_vf_mac, |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 5259 | .ndo_set_vf_vlan = be_set_vf_vlan, |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 5260 | .ndo_set_vf_rate = be_set_vf_tx_rate, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 5261 | .ndo_get_vf_config = be_get_vf_config, |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 5262 | .ndo_set_vf_link_state = be_set_vf_link_state, |
Kalesh AP | e7bcbd7 | 2015-05-06 05:30:32 -0400 | [diff] [blame] | 5263 | .ndo_set_vf_spoofchk = be_set_vf_spoofchk, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 5264 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 5265 | .ndo_poll_controller = be_netpoll, |
| 5266 | #endif |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 5267 | .ndo_bridge_setlink = be_ndo_bridge_setlink, |
| 5268 | .ndo_bridge_getlink = be_ndo_bridge_getlink, |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 5269 | #ifdef CONFIG_NET_RX_BUSY_POLL |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5270 | .ndo_busy_poll = be_busy_poll, |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 5271 | #endif |
Alexander Duyck | bde6b7c | 2016-06-16 12:21:43 -0700 | [diff] [blame] | 5272 | .ndo_udp_tunnel_add = be_add_vxlan_port, |
| 5273 | .ndo_udp_tunnel_del = be_del_vxlan_port, |
Jesse Gross | 5f35227 | 2014-12-23 22:37:26 -0800 | [diff] [blame] | 5274 | .ndo_features_check = be_features_check, |
Sriharsha Basavapatna | a155a5d | 2015-07-22 11:15:12 +0530 | [diff] [blame] | 5275 | .ndo_get_phys_port_id = be_get_phys_port_id, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5276 | }; |
| 5277 | |
| 5278 | static void be_netdev_init(struct net_device *netdev) |
| 5279 | { |
| 5280 | struct be_adapter *adapter = netdev_priv(netdev); |
| 5281 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 5282 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 5283 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 5284 | NETIF_F_HW_VLAN_CTAG_TX; |
Ajit Khaparde | 6221906 | 2016-02-10 22:45:53 +0530 | [diff] [blame] | 5285 | if ((be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS)) |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 5286 | netdev->hw_features |= NETIF_F_RXHASH; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 5287 | |
| 5288 | netdev->features |= netdev->hw_features | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 5289 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 5290 | |
Padmanabh Ratnakar | eb8a50d | 2011-06-11 15:58:46 -0700 | [diff] [blame] | 5291 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 5292 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
Ajit Khaparde | 51c5987 | 2009-11-29 17:54:54 +0000 | [diff] [blame] | 5293 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 5294 | netdev->priv_flags |= IFF_UNICAST_FLT; |
| 5295 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5296 | netdev->flags |= IFF_MULTICAST; |
| 5297 | |
ajit.khaparde@broadcom.com | 127bfce | 2016-02-23 00:35:01 +0530 | [diff] [blame] | 5298 | netif_set_gso_max_size(netdev, BE_MAX_GSO_SIZE - ETH_HLEN); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 5299 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 5300 | netdev->netdev_ops = &be_netdev_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5301 | |
Wilfried Klaebe | 7ad24ea | 2014-05-11 00:12:32 +0000 | [diff] [blame] | 5302 | netdev->ethtool_ops = &be_ethtool_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5303 | } |
| 5304 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 5305 | static void be_cleanup(struct be_adapter *adapter) |
| 5306 | { |
| 5307 | struct net_device *netdev = adapter->netdev; |
| 5308 | |
| 5309 | rtnl_lock(); |
| 5310 | netif_device_detach(netdev); |
| 5311 | if (netif_running(netdev)) |
| 5312 | be_close(netdev); |
| 5313 | rtnl_unlock(); |
| 5314 | |
| 5315 | be_clear(adapter); |
| 5316 | } |
| 5317 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5318 | static int be_resume(struct be_adapter *adapter) |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5319 | { |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5320 | struct net_device *netdev = adapter->netdev; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5321 | int status; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5322 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5323 | status = be_setup(adapter); |
| 5324 | if (status) |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5325 | return status; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5326 | |
Hannes Frederic Sowa | 08d9910 | 2016-04-18 21:19:42 +0200 | [diff] [blame] | 5327 | rtnl_lock(); |
| 5328 | if (netif_running(netdev)) |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5329 | status = be_open(netdev); |
Hannes Frederic Sowa | 08d9910 | 2016-04-18 21:19:42 +0200 | [diff] [blame] | 5330 | rtnl_unlock(); |
| 5331 | |
| 5332 | if (status) |
| 5333 | return status; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5334 | |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5335 | netif_device_attach(netdev); |
| 5336 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5337 | return 0; |
| 5338 | } |
| 5339 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5340 | static void be_soft_reset(struct be_adapter *adapter) |
| 5341 | { |
| 5342 | u32 val; |
| 5343 | |
| 5344 | dev_info(&adapter->pdev->dev, "Initiating chip soft reset\n"); |
| 5345 | val = ioread32(adapter->pcicfg + SLIPORT_SOFTRESET_OFFSET); |
| 5346 | val |= SLIPORT_SOFTRESET_SR_MASK; |
| 5347 | iowrite32(val, adapter->pcicfg + SLIPORT_SOFTRESET_OFFSET); |
| 5348 | } |
| 5349 | |
| 5350 | static bool be_err_is_recoverable(struct be_adapter *adapter) |
| 5351 | { |
| 5352 | struct be_error_recovery *err_rec = &adapter->error_recovery; |
| 5353 | unsigned long initial_idle_time = |
| 5354 | msecs_to_jiffies(ERR_RECOVERY_IDLE_TIME); |
| 5355 | unsigned long recovery_interval = |
| 5356 | msecs_to_jiffies(ERR_RECOVERY_INTERVAL); |
| 5357 | u16 ue_err_code; |
| 5358 | u32 val; |
| 5359 | |
| 5360 | val = be_POST_stage_get(adapter); |
| 5361 | if ((val & POST_STAGE_RECOVERABLE_ERR) != POST_STAGE_RECOVERABLE_ERR) |
| 5362 | return false; |
| 5363 | ue_err_code = val & POST_ERR_RECOVERY_CODE_MASK; |
| 5364 | if (ue_err_code == 0) |
| 5365 | return false; |
| 5366 | |
| 5367 | dev_err(&adapter->pdev->dev, "Recoverable HW error code: 0x%x\n", |
| 5368 | ue_err_code); |
| 5369 | |
| 5370 | if (jiffies - err_rec->probe_time <= initial_idle_time) { |
| 5371 | dev_err(&adapter->pdev->dev, |
| 5372 | "Cannot recover within %lu sec from driver load\n", |
| 5373 | jiffies_to_msecs(initial_idle_time) / MSEC_PER_SEC); |
| 5374 | return false; |
| 5375 | } |
| 5376 | |
| 5377 | if (err_rec->last_recovery_time && |
| 5378 | (jiffies - err_rec->last_recovery_time <= recovery_interval)) { |
| 5379 | dev_err(&adapter->pdev->dev, |
| 5380 | "Cannot recover within %lu sec from last recovery\n", |
| 5381 | jiffies_to_msecs(recovery_interval) / MSEC_PER_SEC); |
| 5382 | return false; |
| 5383 | } |
| 5384 | |
| 5385 | if (ue_err_code == err_rec->last_err_code) { |
| 5386 | dev_err(&adapter->pdev->dev, |
| 5387 | "Cannot recover from a consecutive TPE error\n"); |
| 5388 | return false; |
| 5389 | } |
| 5390 | |
| 5391 | err_rec->last_recovery_time = jiffies; |
| 5392 | err_rec->last_err_code = ue_err_code; |
| 5393 | return true; |
| 5394 | } |
| 5395 | |
| 5396 | static int be_tpe_recover(struct be_adapter *adapter) |
| 5397 | { |
| 5398 | struct be_error_recovery *err_rec = &adapter->error_recovery; |
| 5399 | int status = -EAGAIN; |
| 5400 | u32 val; |
| 5401 | |
| 5402 | switch (err_rec->recovery_state) { |
| 5403 | case ERR_RECOVERY_ST_NONE: |
| 5404 | err_rec->recovery_state = ERR_RECOVERY_ST_DETECT; |
| 5405 | err_rec->resched_delay = ERR_RECOVERY_UE_DETECT_DURATION; |
| 5406 | break; |
| 5407 | |
| 5408 | case ERR_RECOVERY_ST_DETECT: |
| 5409 | val = be_POST_stage_get(adapter); |
| 5410 | if ((val & POST_STAGE_RECOVERABLE_ERR) != |
| 5411 | POST_STAGE_RECOVERABLE_ERR) { |
| 5412 | dev_err(&adapter->pdev->dev, |
| 5413 | "Unrecoverable HW error detected: 0x%x\n", val); |
| 5414 | status = -EINVAL; |
| 5415 | err_rec->resched_delay = 0; |
| 5416 | break; |
| 5417 | } |
| 5418 | |
| 5419 | dev_err(&adapter->pdev->dev, "Recoverable HW error detected\n"); |
| 5420 | |
| 5421 | /* Only PF0 initiates Chip Soft Reset. But PF0 must wait UE2SR |
| 5422 | * milliseconds before it checks for final error status in |
| 5423 | * SLIPORT_SEMAPHORE to determine if recovery criteria is met. |
| 5424 | * If it does, then PF0 initiates a Soft Reset. |
| 5425 | */ |
| 5426 | if (adapter->pf_num == 0) { |
| 5427 | err_rec->recovery_state = ERR_RECOVERY_ST_RESET; |
| 5428 | err_rec->resched_delay = err_rec->ue_to_reset_time - |
| 5429 | ERR_RECOVERY_UE_DETECT_DURATION; |
| 5430 | break; |
| 5431 | } |
| 5432 | |
| 5433 | err_rec->recovery_state = ERR_RECOVERY_ST_PRE_POLL; |
| 5434 | err_rec->resched_delay = err_rec->ue_to_poll_time - |
| 5435 | ERR_RECOVERY_UE_DETECT_DURATION; |
| 5436 | break; |
| 5437 | |
| 5438 | case ERR_RECOVERY_ST_RESET: |
| 5439 | if (!be_err_is_recoverable(adapter)) { |
| 5440 | dev_err(&adapter->pdev->dev, |
| 5441 | "Failed to meet recovery criteria\n"); |
| 5442 | status = -EIO; |
| 5443 | err_rec->resched_delay = 0; |
| 5444 | break; |
| 5445 | } |
| 5446 | be_soft_reset(adapter); |
| 5447 | err_rec->recovery_state = ERR_RECOVERY_ST_PRE_POLL; |
| 5448 | err_rec->resched_delay = err_rec->ue_to_poll_time - |
| 5449 | err_rec->ue_to_reset_time; |
| 5450 | break; |
| 5451 | |
| 5452 | case ERR_RECOVERY_ST_PRE_POLL: |
| 5453 | err_rec->recovery_state = ERR_RECOVERY_ST_REINIT; |
| 5454 | err_rec->resched_delay = 0; |
| 5455 | status = 0; /* done */ |
| 5456 | break; |
| 5457 | |
| 5458 | default: |
| 5459 | status = -EINVAL; |
| 5460 | err_rec->resched_delay = 0; |
| 5461 | break; |
| 5462 | } |
| 5463 | |
| 5464 | return status; |
| 5465 | } |
| 5466 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5467 | static int be_err_recover(struct be_adapter *adapter) |
| 5468 | { |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5469 | int status; |
| 5470 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5471 | if (!lancer_chip(adapter)) { |
| 5472 | if (!adapter->error_recovery.recovery_supported || |
| 5473 | adapter->priv_flags & BE_DISABLE_TPE_RECOVERY) |
| 5474 | return -EIO; |
| 5475 | status = be_tpe_recover(adapter); |
| 5476 | if (status) |
| 5477 | goto err; |
| 5478 | } |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5479 | |
| 5480 | /* Wait for adapter to reach quiescent state before |
| 5481 | * destroying queues |
| 5482 | */ |
| 5483 | status = be_fw_wait_ready(adapter); |
| 5484 | if (status) |
| 5485 | goto err; |
| 5486 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5487 | adapter->flags |= BE_FLAGS_TRY_RECOVERY; |
| 5488 | |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5489 | be_cleanup(adapter); |
| 5490 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5491 | status = be_resume(adapter); |
| 5492 | if (status) |
| 5493 | goto err; |
| 5494 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5495 | adapter->flags &= ~BE_FLAGS_TRY_RECOVERY; |
| 5496 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5497 | err: |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5498 | return status; |
| 5499 | } |
| 5500 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5501 | static void be_err_detection_task(struct work_struct *work) |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5502 | { |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5503 | struct be_error_recovery *err_rec = |
| 5504 | container_of(work, struct be_error_recovery, |
| 5505 | err_detection_work.work); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5506 | struct be_adapter *adapter = |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5507 | container_of(err_rec, struct be_adapter, |
| 5508 | error_recovery); |
| 5509 | u32 resched_delay = ERR_RECOVERY_DETECTION_DELAY; |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5510 | struct device *dev = &adapter->pdev->dev; |
| 5511 | int recovery_status; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5512 | |
| 5513 | be_detect_error(adapter); |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5514 | if (!be_check_error(adapter, BE_ERROR_HW)) |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5515 | goto reschedule_task; |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5516 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5517 | recovery_status = be_err_recover(adapter); |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5518 | if (!recovery_status) { |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5519 | err_rec->recovery_retries = 0; |
| 5520 | err_rec->recovery_state = ERR_RECOVERY_ST_NONE; |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5521 | dev_info(dev, "Adapter recovery successful\n"); |
| 5522 | goto reschedule_task; |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5523 | } else if (!lancer_chip(adapter) && err_rec->resched_delay) { |
| 5524 | /* BEx/SH recovery state machine */ |
| 5525 | if (adapter->pf_num == 0 && |
| 5526 | err_rec->recovery_state > ERR_RECOVERY_ST_DETECT) |
| 5527 | dev_err(&adapter->pdev->dev, |
| 5528 | "Adapter recovery in progress\n"); |
| 5529 | resched_delay = err_rec->resched_delay; |
| 5530 | goto reschedule_task; |
| 5531 | } else if (lancer_chip(adapter) && be_virtfn(adapter)) { |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5532 | /* For VFs, check if PF have allocated resources |
| 5533 | * every second. |
| 5534 | */ |
| 5535 | dev_err(dev, "Re-trying adapter recovery\n"); |
| 5536 | goto reschedule_task; |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5537 | } else if (lancer_chip(adapter) && err_rec->recovery_retries++ < |
| 5538 | ERR_RECOVERY_MAX_RETRY_COUNT) { |
Padmanabh Ratnakar | 972f37b | 2016-02-03 09:49:22 +0530 | [diff] [blame] | 5539 | /* In case of another error during recovery, it takes 30 sec |
| 5540 | * for adapter to come out of error. Retry error recovery after |
| 5541 | * this time interval. |
| 5542 | */ |
| 5543 | dev_err(&adapter->pdev->dev, "Re-trying adapter recovery\n"); |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5544 | resched_delay = ERR_RECOVERY_RETRY_DELAY; |
Padmanabh Ratnakar | 972f37b | 2016-02-03 09:49:22 +0530 | [diff] [blame] | 5545 | goto reschedule_task; |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5546 | } else { |
| 5547 | dev_err(dev, "Adapter recovery failed\n"); |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5548 | dev_err(dev, "Please reboot server to recover\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5549 | } |
| 5550 | |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5551 | return; |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5552 | |
Padmanabh Ratnakar | 1babbad | 2016-02-03 09:49:21 +0530 | [diff] [blame] | 5553 | reschedule_task: |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5554 | be_schedule_err_detection(adapter, resched_delay); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5555 | } |
| 5556 | |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5557 | static void be_log_sfp_info(struct be_adapter *adapter) |
| 5558 | { |
| 5559 | int status; |
| 5560 | |
| 5561 | status = be_cmd_query_sfp_info(adapter); |
| 5562 | if (!status) { |
| 5563 | dev_err(&adapter->pdev->dev, |
Ajit Khaparde | 51d1f98 | 2016-02-10 22:45:54 +0530 | [diff] [blame] | 5564 | "Port %c: %s Vendor: %s part no: %s", |
| 5565 | adapter->port_name, |
| 5566 | be_misconfig_evt_port_state[adapter->phy_state], |
| 5567 | adapter->phy.vendor_name, |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5568 | adapter->phy.vendor_pn); |
| 5569 | } |
Ajit Khaparde | 51d1f98 | 2016-02-10 22:45:54 +0530 | [diff] [blame] | 5570 | adapter->flags &= ~BE_FLAGS_PHY_MISCONFIGURED; |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5571 | } |
| 5572 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5573 | static void be_worker(struct work_struct *work) |
| 5574 | { |
| 5575 | struct be_adapter *adapter = |
| 5576 | container_of(work, struct be_adapter, work.work); |
| 5577 | struct be_rx_obj *rxo; |
| 5578 | int i; |
| 5579 | |
Guilherme G. Piccoli | d348061 | 2016-07-26 17:39:42 -0300 | [diff] [blame] | 5580 | if (be_physfn(adapter) && |
| 5581 | MODULO(adapter->work_counter, adapter->be_get_temp_freq) == 0) |
| 5582 | be_cmd_get_die_temperature(adapter); |
| 5583 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5584 | /* when interrupts are not yet enabled, just reap any pending |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5585 | * mcc completions |
| 5586 | */ |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5587 | if (!netif_running(adapter->netdev)) { |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 5588 | local_bh_disable(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 5589 | be_process_mcc(adapter); |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 5590 | local_bh_enable(); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5591 | goto reschedule; |
| 5592 | } |
| 5593 | |
| 5594 | if (!adapter->stats_cmd_sent) { |
| 5595 | if (lancer_chip(adapter)) |
| 5596 | lancer_cmd_get_pport_stats(adapter, |
Kalesh AP | cd3307aa | 2014-09-19 15:47:02 +0530 | [diff] [blame] | 5597 | &adapter->stats_cmd); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5598 | else |
| 5599 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
| 5600 | } |
| 5601 | |
| 5602 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 5603 | /* Replenish RX-queues starved due to memory |
| 5604 | * allocation failures. |
| 5605 | */ |
| 5606 | if (rxo->rx_post_starved) |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 5607 | be_post_rx_frags(rxo, GFP_KERNEL, MAX_RX_POST); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5608 | } |
| 5609 | |
Padmanabh Ratnakar | 2094777 | 2015-05-06 05:30:33 -0400 | [diff] [blame] | 5610 | /* EQ-delay update for Skyhawk is done while notifying EQ */ |
| 5611 | if (!skyhawk_chip(adapter)) |
| 5612 | be_eqd_update(adapter, false); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 5613 | |
Ajit Khaparde | 51d1f98 | 2016-02-10 22:45:54 +0530 | [diff] [blame] | 5614 | if (adapter->flags & BE_FLAGS_PHY_MISCONFIGURED) |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5615 | be_log_sfp_info(adapter); |
| 5616 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5617 | reschedule: |
| 5618 | adapter->work_counter++; |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5619 | queue_delayed_work(be_wq, &adapter->work, msecs_to_jiffies(1000)); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5620 | } |
| 5621 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5622 | static void be_unmap_pci_bars(struct be_adapter *adapter) |
| 5623 | { |
| 5624 | if (adapter->csr) |
| 5625 | pci_iounmap(adapter->pdev, adapter->csr); |
| 5626 | if (adapter->db) |
| 5627 | pci_iounmap(adapter->pdev, adapter->db); |
Douglas Miller | a69bf3c | 2016-03-04 15:36:56 -0600 | [diff] [blame] | 5628 | if (adapter->pcicfg && adapter->pcicfg_mapped) |
| 5629 | pci_iounmap(adapter->pdev, adapter->pcicfg); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5630 | } |
| 5631 | |
| 5632 | static int db_bar(struct be_adapter *adapter) |
| 5633 | { |
Kalesh AP | 18c57c7 | 2015-05-06 05:30:38 -0400 | [diff] [blame] | 5634 | if (lancer_chip(adapter) || be_virtfn(adapter)) |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5635 | return 0; |
| 5636 | else |
| 5637 | return 4; |
| 5638 | } |
| 5639 | |
| 5640 | static int be_roce_map_pci_bars(struct be_adapter *adapter) |
| 5641 | { |
| 5642 | if (skyhawk_chip(adapter)) { |
| 5643 | adapter->roce_db.size = 4096; |
| 5644 | adapter->roce_db.io_addr = pci_resource_start(adapter->pdev, |
| 5645 | db_bar(adapter)); |
| 5646 | adapter->roce_db.total_size = pci_resource_len(adapter->pdev, |
| 5647 | db_bar(adapter)); |
| 5648 | } |
| 5649 | return 0; |
| 5650 | } |
| 5651 | |
| 5652 | static int be_map_pci_bars(struct be_adapter *adapter) |
| 5653 | { |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5654 | struct pci_dev *pdev = adapter->pdev; |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5655 | u8 __iomem *addr; |
| 5656 | u32 sli_intf; |
| 5657 | |
| 5658 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 5659 | adapter->sli_family = (sli_intf & SLI_INTF_FAMILY_MASK) >> |
| 5660 | SLI_INTF_FAMILY_SHIFT; |
| 5661 | adapter->virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; |
| 5662 | |
| 5663 | if (BEx_chip(adapter) && be_physfn(adapter)) { |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5664 | adapter->csr = pci_iomap(pdev, 2, 0); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5665 | if (!adapter->csr) |
| 5666 | return -ENOMEM; |
| 5667 | } |
| 5668 | |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5669 | addr = pci_iomap(pdev, db_bar(adapter), 0); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5670 | if (!addr) |
| 5671 | goto pci_map_err; |
| 5672 | adapter->db = addr; |
| 5673 | |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5674 | if (skyhawk_chip(adapter) || BEx_chip(adapter)) { |
| 5675 | if (be_physfn(adapter)) { |
| 5676 | /* PCICFG is the 2nd BAR in BE2 */ |
| 5677 | addr = pci_iomap(pdev, BE2_chip(adapter) ? 1 : 0, 0); |
| 5678 | if (!addr) |
| 5679 | goto pci_map_err; |
| 5680 | adapter->pcicfg = addr; |
Douglas Miller | a69bf3c | 2016-03-04 15:36:56 -0600 | [diff] [blame] | 5681 | adapter->pcicfg_mapped = true; |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5682 | } else { |
| 5683 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; |
Douglas Miller | a69bf3c | 2016-03-04 15:36:56 -0600 | [diff] [blame] | 5684 | adapter->pcicfg_mapped = false; |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5685 | } |
| 5686 | } |
| 5687 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5688 | be_roce_map_pci_bars(adapter); |
| 5689 | return 0; |
| 5690 | |
| 5691 | pci_map_err: |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5692 | dev_err(&pdev->dev, "Error in mapping PCI BARs\n"); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5693 | be_unmap_pci_bars(adapter); |
| 5694 | return -ENOMEM; |
| 5695 | } |
| 5696 | |
| 5697 | static void be_drv_cleanup(struct be_adapter *adapter) |
| 5698 | { |
| 5699 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
| 5700 | struct device *dev = &adapter->pdev->dev; |
| 5701 | |
| 5702 | if (mem->va) |
| 5703 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5704 | |
| 5705 | mem = &adapter->rx_filter; |
| 5706 | if (mem->va) |
| 5707 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5708 | |
| 5709 | mem = &adapter->stats_cmd; |
| 5710 | if (mem->va) |
| 5711 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5712 | } |
| 5713 | |
| 5714 | /* Allocate and initialize various fields in be_adapter struct */ |
| 5715 | static int be_drv_init(struct be_adapter *adapter) |
| 5716 | { |
| 5717 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
| 5718 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; |
| 5719 | struct be_dma_mem *rx_filter = &adapter->rx_filter; |
| 5720 | struct be_dma_mem *stats_cmd = &adapter->stats_cmd; |
| 5721 | struct device *dev = &adapter->pdev->dev; |
| 5722 | int status = 0; |
| 5723 | |
| 5724 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; |
Sriharsha Basavapatna | e51000db | 2015-06-05 15:33:59 +0530 | [diff] [blame] | 5725 | mbox_mem_alloc->va = dma_zalloc_coherent(dev, mbox_mem_alloc->size, |
| 5726 | &mbox_mem_alloc->dma, |
| 5727 | GFP_KERNEL); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5728 | if (!mbox_mem_alloc->va) |
| 5729 | return -ENOMEM; |
| 5730 | |
| 5731 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
| 5732 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); |
| 5733 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5734 | |
| 5735 | rx_filter->size = sizeof(struct be_cmd_req_rx_filter); |
| 5736 | rx_filter->va = dma_zalloc_coherent(dev, rx_filter->size, |
| 5737 | &rx_filter->dma, GFP_KERNEL); |
| 5738 | if (!rx_filter->va) { |
| 5739 | status = -ENOMEM; |
| 5740 | goto free_mbox; |
| 5741 | } |
| 5742 | |
| 5743 | if (lancer_chip(adapter)) |
| 5744 | stats_cmd->size = sizeof(struct lancer_cmd_req_pport_stats); |
| 5745 | else if (BE2_chip(adapter)) |
| 5746 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
| 5747 | else if (BE3_chip(adapter)) |
| 5748 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v1); |
| 5749 | else |
| 5750 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v2); |
| 5751 | stats_cmd->va = dma_zalloc_coherent(dev, stats_cmd->size, |
| 5752 | &stats_cmd->dma, GFP_KERNEL); |
| 5753 | if (!stats_cmd->va) { |
| 5754 | status = -ENOMEM; |
| 5755 | goto free_rx_filter; |
| 5756 | } |
| 5757 | |
| 5758 | mutex_init(&adapter->mbox_lock); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 5759 | mutex_init(&adapter->mcc_lock); |
| 5760 | mutex_init(&adapter->rx_filter_lock); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5761 | spin_lock_init(&adapter->mcc_cq_lock); |
| 5762 | init_completion(&adapter->et_cmd_compl); |
| 5763 | |
| 5764 | pci_save_state(adapter->pdev); |
| 5765 | |
| 5766 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5767 | |
| 5768 | adapter->error_recovery.recovery_state = ERR_RECOVERY_ST_NONE; |
| 5769 | adapter->error_recovery.resched_delay = 0; |
| 5770 | INIT_DELAYED_WORK(&adapter->error_recovery.err_detection_work, |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5771 | be_err_detection_task); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5772 | |
| 5773 | adapter->rx_fc = true; |
| 5774 | adapter->tx_fc = true; |
| 5775 | |
| 5776 | /* Must be a power of 2 or else MODULO will BUG_ON */ |
| 5777 | adapter->be_get_temp_freq = 64; |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5778 | |
| 5779 | return 0; |
| 5780 | |
| 5781 | free_rx_filter: |
| 5782 | dma_free_coherent(dev, rx_filter->size, rx_filter->va, rx_filter->dma); |
| 5783 | free_mbox: |
| 5784 | dma_free_coherent(dev, mbox_mem_alloc->size, mbox_mem_alloc->va, |
| 5785 | mbox_mem_alloc->dma); |
| 5786 | return status; |
| 5787 | } |
| 5788 | |
| 5789 | static void be_remove(struct pci_dev *pdev) |
| 5790 | { |
| 5791 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5792 | |
| 5793 | if (!adapter) |
| 5794 | return; |
| 5795 | |
| 5796 | be_roce_dev_remove(adapter); |
| 5797 | be_intr_set(adapter, false); |
| 5798 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5799 | be_cancel_err_detection(adapter); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5800 | |
| 5801 | unregister_netdev(adapter->netdev); |
| 5802 | |
| 5803 | be_clear(adapter); |
| 5804 | |
Somnath Kotur | f72099e | 2016-09-07 19:57:50 +0530 | [diff] [blame] | 5805 | if (!pci_vfs_assigned(adapter->pdev)) |
| 5806 | be_cmd_reset_function(adapter); |
| 5807 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5808 | /* tell fw we're done with firing cmds */ |
| 5809 | be_cmd_fw_clean(adapter); |
| 5810 | |
| 5811 | be_unmap_pci_bars(adapter); |
| 5812 | be_drv_cleanup(adapter); |
| 5813 | |
| 5814 | pci_disable_pcie_error_reporting(pdev); |
| 5815 | |
| 5816 | pci_release_regions(pdev); |
| 5817 | pci_disable_device(pdev); |
| 5818 | |
| 5819 | free_netdev(adapter->netdev); |
| 5820 | } |
| 5821 | |
Arnd Bergmann | 9a03259 | 2015-05-18 23:06:45 +0200 | [diff] [blame] | 5822 | static ssize_t be_hwmon_show_temp(struct device *dev, |
| 5823 | struct device_attribute *dev_attr, |
| 5824 | char *buf) |
Venkata Duvvuru | 29e9122 | 2015-05-13 13:00:12 +0530 | [diff] [blame] | 5825 | { |
| 5826 | struct be_adapter *adapter = dev_get_drvdata(dev); |
| 5827 | |
| 5828 | /* Unit: millidegree Celsius */ |
| 5829 | if (adapter->hwmon_info.be_on_die_temp == BE_INVALID_DIE_TEMP) |
| 5830 | return -EIO; |
| 5831 | else |
| 5832 | return sprintf(buf, "%u\n", |
| 5833 | adapter->hwmon_info.be_on_die_temp * 1000); |
| 5834 | } |
| 5835 | |
| 5836 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, |
| 5837 | be_hwmon_show_temp, NULL, 1); |
| 5838 | |
| 5839 | static struct attribute *be_hwmon_attrs[] = { |
| 5840 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
| 5841 | NULL |
| 5842 | }; |
| 5843 | |
| 5844 | ATTRIBUTE_GROUPS(be_hwmon); |
| 5845 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5846 | static char *mc_name(struct be_adapter *adapter) |
| 5847 | { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 5848 | char *str = ""; /* default */ |
| 5849 | |
| 5850 | switch (adapter->mc_type) { |
| 5851 | case UMC: |
| 5852 | str = "UMC"; |
| 5853 | break; |
| 5854 | case FLEX10: |
| 5855 | str = "FLEX10"; |
| 5856 | break; |
| 5857 | case vNIC1: |
| 5858 | str = "vNIC-1"; |
| 5859 | break; |
| 5860 | case nPAR: |
| 5861 | str = "nPAR"; |
| 5862 | break; |
| 5863 | case UFP: |
| 5864 | str = "UFP"; |
| 5865 | break; |
| 5866 | case vNIC2: |
| 5867 | str = "vNIC-2"; |
| 5868 | break; |
| 5869 | default: |
| 5870 | str = ""; |
| 5871 | } |
| 5872 | |
| 5873 | return str; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5874 | } |
| 5875 | |
| 5876 | static inline char *func_name(struct be_adapter *adapter) |
| 5877 | { |
| 5878 | return be_physfn(adapter) ? "PF" : "VF"; |
| 5879 | } |
| 5880 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 5881 | static inline char *nic_name(struct pci_dev *pdev) |
| 5882 | { |
| 5883 | switch (pdev->device) { |
| 5884 | case OC_DEVICE_ID1: |
| 5885 | return OC_NAME; |
| 5886 | case OC_DEVICE_ID2: |
| 5887 | return OC_NAME_BE; |
| 5888 | case OC_DEVICE_ID3: |
| 5889 | case OC_DEVICE_ID4: |
| 5890 | return OC_NAME_LANCER; |
| 5891 | case BE_DEVICE_ID2: |
| 5892 | return BE3_NAME; |
| 5893 | case OC_DEVICE_ID5: |
| 5894 | case OC_DEVICE_ID6: |
| 5895 | return OC_NAME_SH; |
| 5896 | default: |
| 5897 | return BE_NAME; |
| 5898 | } |
| 5899 | } |
| 5900 | |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 5901 | static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5902 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5903 | struct be_adapter *adapter; |
| 5904 | struct net_device *netdev; |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5905 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5906 | |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 5907 | dev_info(&pdev->dev, "%s version is %s\n", DRV_NAME, DRV_VER); |
| 5908 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5909 | status = pci_enable_device(pdev); |
| 5910 | if (status) |
| 5911 | goto do_none; |
| 5912 | |
| 5913 | status = pci_request_regions(pdev, DRV_NAME); |
| 5914 | if (status) |
| 5915 | goto disable_dev; |
| 5916 | pci_set_master(pdev); |
| 5917 | |
Sathya Perla | 7f64006 | 2012-06-05 19:37:20 +0000 | [diff] [blame] | 5918 | netdev = alloc_etherdev_mqs(sizeof(*adapter), MAX_TX_QS, MAX_RX_QS); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 5919 | if (!netdev) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5920 | status = -ENOMEM; |
| 5921 | goto rel_reg; |
| 5922 | } |
| 5923 | adapter = netdev_priv(netdev); |
| 5924 | adapter->pdev = pdev; |
| 5925 | pci_set_drvdata(pdev, adapter); |
| 5926 | adapter->netdev = netdev; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 5927 | SET_NETDEV_DEV(netdev, &pdev->dev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5928 | |
Russell King | 4c15c24 | 2013-06-26 23:49:11 +0100 | [diff] [blame] | 5929 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5930 | if (!status) { |
| 5931 | netdev->features |= NETIF_F_HIGHDMA; |
| 5932 | } else { |
Russell King | 4c15c24 | 2013-06-26 23:49:11 +0100 | [diff] [blame] | 5933 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5934 | if (status) { |
| 5935 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); |
| 5936 | goto free_netdev; |
| 5937 | } |
| 5938 | } |
| 5939 | |
Kalesh AP | 2f951a9 | 2014-09-12 17:39:21 +0530 | [diff] [blame] | 5940 | status = pci_enable_pcie_error_reporting(pdev); |
| 5941 | if (!status) |
| 5942 | dev_info(&pdev->dev, "PCIe error reporting enabled\n"); |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 5943 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5944 | status = be_map_pci_bars(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5945 | if (status) |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 5946 | goto free_netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5947 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5948 | status = be_drv_init(adapter); |
| 5949 | if (status) |
| 5950 | goto unmap_bars; |
| 5951 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5952 | status = be_setup(adapter); |
| 5953 | if (status) |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5954 | goto drv_cleanup; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 5955 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 5956 | be_netdev_init(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5957 | status = register_netdev(netdev); |
| 5958 | if (status != 0) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5959 | goto unsetup; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5960 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 5961 | be_roce_dev_add(adapter); |
| 5962 | |
Padmanabh Ratnakar | 972f37b | 2016-02-03 09:49:22 +0530 | [diff] [blame] | 5963 | be_schedule_err_detection(adapter, ERR_DETECTION_DELAY); |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 5964 | adapter->error_recovery.probe_time = jiffies; |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 5965 | |
Venkata Duvvuru | 29e9122 | 2015-05-13 13:00:12 +0530 | [diff] [blame] | 5966 | /* On Die temperature not supported for VF. */ |
Arnd Bergmann | 9a03259 | 2015-05-18 23:06:45 +0200 | [diff] [blame] | 5967 | if (be_physfn(adapter) && IS_ENABLED(CONFIG_BE2NET_HWMON)) { |
Venkata Duvvuru | 29e9122 | 2015-05-13 13:00:12 +0530 | [diff] [blame] | 5968 | adapter->hwmon_info.hwmon_dev = |
| 5969 | devm_hwmon_device_register_with_groups(&pdev->dev, |
| 5970 | DRV_NAME, |
| 5971 | adapter, |
| 5972 | be_hwmon_groups); |
| 5973 | adapter->hwmon_info.be_on_die_temp = BE_INVALID_DIE_TEMP; |
| 5974 | } |
| 5975 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5976 | dev_info(&pdev->dev, "%s: %s %s port %c\n", nic_name(pdev), |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5977 | func_name(adapter), mc_name(adapter), adapter->port_name); |
Somnath Kotur | 34b1ef0 | 2011-06-01 00:33:22 +0000 | [diff] [blame] | 5978 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5979 | return 0; |
| 5980 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5981 | unsetup: |
| 5982 | be_clear(adapter); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5983 | drv_cleanup: |
| 5984 | be_drv_cleanup(adapter); |
| 5985 | unmap_bars: |
| 5986 | be_unmap_pci_bars(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 5987 | free_netdev: |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 5988 | free_netdev(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5989 | rel_reg: |
| 5990 | pci_release_regions(pdev); |
| 5991 | disable_dev: |
| 5992 | pci_disable_device(pdev); |
| 5993 | do_none: |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 5994 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5995 | return status; |
| 5996 | } |
| 5997 | |
| 5998 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) |
| 5999 | { |
| 6000 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6001 | |
Ajit Khaparde | d4360d6 | 2013-11-22 12:51:09 -0600 | [diff] [blame] | 6002 | be_intr_set(adapter, false); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 6003 | be_cancel_err_detection(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 6004 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 6005 | be_cleanup(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6006 | |
| 6007 | pci_save_state(pdev); |
| 6008 | pci_disable_device(pdev); |
| 6009 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 6010 | return 0; |
| 6011 | } |
| 6012 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 6013 | static int be_pci_resume(struct pci_dev *pdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6014 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6015 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 6016 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6017 | |
| 6018 | status = pci_enable_device(pdev); |
| 6019 | if (status) |
| 6020 | return status; |
| 6021 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6022 | pci_restore_state(pdev); |
| 6023 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 6024 | status = be_resume(adapter); |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 6025 | if (status) |
| 6026 | return status; |
| 6027 | |
Padmanabh Ratnakar | 972f37b | 2016-02-03 09:49:22 +0530 | [diff] [blame] | 6028 | be_schedule_err_detection(adapter, ERR_DETECTION_DELAY); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 6029 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6030 | return 0; |
| 6031 | } |
| 6032 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 6033 | /* |
| 6034 | * An FLR will stop BE from DMAing any data. |
| 6035 | */ |
| 6036 | static void be_shutdown(struct pci_dev *pdev) |
| 6037 | { |
| 6038 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 6039 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 6040 | if (!adapter) |
| 6041 | return; |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 6042 | |
Devesh Sharma | d114f99 | 2014-06-10 19:32:15 +0530 | [diff] [blame] | 6043 | be_roce_dev_shutdown(adapter); |
Sathya Perla | 0f4a682 | 2011-03-21 20:49:28 +0000 | [diff] [blame] | 6044 | cancel_delayed_work_sync(&adapter->work); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 6045 | be_cancel_err_detection(adapter); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 6046 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 6047 | netif_device_detach(adapter->netdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 6048 | |
Ajit Khaparde | 5784186 | 2011-04-06 18:08:43 +0000 | [diff] [blame] | 6049 | be_cmd_reset_function(adapter); |
| 6050 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 6051 | pci_disable_device(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 6052 | } |
| 6053 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6054 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 6055 | pci_channel_state_t state) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6056 | { |
| 6057 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6058 | |
| 6059 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); |
| 6060 | |
Padmanabh Ratnakar | 68f2279 | 2016-02-18 03:09:34 +0530 | [diff] [blame] | 6061 | be_roce_dev_remove(adapter); |
| 6062 | |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 6063 | if (!be_check_error(adapter, BE_ERROR_EEH)) { |
| 6064 | be_set_error(adapter, BE_ERROR_EEH); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6065 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 6066 | be_cancel_err_detection(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 6067 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 6068 | be_cleanup(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6069 | } |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6070 | |
| 6071 | if (state == pci_channel_io_perm_failure) |
| 6072 | return PCI_ERS_RESULT_DISCONNECT; |
| 6073 | |
| 6074 | pci_disable_device(pdev); |
| 6075 | |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 6076 | /* The error could cause the FW to trigger a flash debug dump. |
| 6077 | * Resetting the card while flash dump is in progress |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 6078 | * can cause it not to recover; wait for it to finish. |
| 6079 | * Wait only for first function as it is needed only once per |
| 6080 | * adapter. |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 6081 | */ |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 6082 | if (pdev->devfn == 0) |
| 6083 | ssleep(30); |
| 6084 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6085 | return PCI_ERS_RESULT_NEED_RESET; |
| 6086 | } |
| 6087 | |
| 6088 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) |
| 6089 | { |
| 6090 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 6091 | int status; |
| 6092 | |
| 6093 | dev_info(&adapter->pdev->dev, "EEH reset\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6094 | |
| 6095 | status = pci_enable_device(pdev); |
| 6096 | if (status) |
| 6097 | return PCI_ERS_RESULT_DISCONNECT; |
| 6098 | |
| 6099 | pci_set_master(pdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6100 | pci_restore_state(pdev); |
| 6101 | |
| 6102 | /* Check if card is ok and fw is ready */ |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 6103 | dev_info(&adapter->pdev->dev, |
| 6104 | "Waiting for FW to be ready after EEH reset\n"); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 6105 | status = be_fw_wait_ready(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6106 | if (status) |
| 6107 | return PCI_ERS_RESULT_DISCONNECT; |
| 6108 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 6109 | pci_cleanup_aer_uncorrect_error_status(pdev); |
Venkata Duvvuru | 954f682 | 2015-05-13 13:00:13 +0530 | [diff] [blame] | 6110 | be_clear_error(adapter, BE_CLEAR_ALL); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6111 | return PCI_ERS_RESULT_RECOVERED; |
| 6112 | } |
| 6113 | |
| 6114 | static void be_eeh_resume(struct pci_dev *pdev) |
| 6115 | { |
| 6116 | int status = 0; |
| 6117 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6118 | |
| 6119 | dev_info(&adapter->pdev->dev, "EEH resume\n"); |
| 6120 | |
| 6121 | pci_save_state(pdev); |
| 6122 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 6123 | status = be_resume(adapter); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 6124 | if (status) |
| 6125 | goto err; |
| 6126 | |
Padmanabh Ratnakar | 68f2279 | 2016-02-18 03:09:34 +0530 | [diff] [blame] | 6127 | be_roce_dev_add(adapter); |
| 6128 | |
Padmanabh Ratnakar | 972f37b | 2016-02-03 09:49:22 +0530 | [diff] [blame] | 6129 | be_schedule_err_detection(adapter, ERR_DETECTION_DELAY); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6130 | return; |
| 6131 | err: |
| 6132 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6133 | } |
| 6134 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 6135 | static int be_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) |
| 6136 | { |
| 6137 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 6138 | struct be_resources vft_res = {0}; |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 6139 | int status; |
| 6140 | |
| 6141 | if (!num_vfs) |
| 6142 | be_vf_clear(adapter); |
| 6143 | |
| 6144 | adapter->num_vfs = num_vfs; |
| 6145 | |
| 6146 | if (adapter->num_vfs == 0 && pci_vfs_assigned(pdev)) { |
| 6147 | dev_warn(&pdev->dev, |
| 6148 | "Cannot disable VFs while they are assigned\n"); |
| 6149 | return -EBUSY; |
| 6150 | } |
| 6151 | |
| 6152 | /* When the HW is in SRIOV capable configuration, the PF-pool resources |
| 6153 | * are equally distributed across the max-number of VFs. The user may |
| 6154 | * request only a subset of the max-vfs to be enabled. |
| 6155 | * Based on num_vfs, redistribute the resources across num_vfs so that |
| 6156 | * each VF will have access to more number of resources. |
| 6157 | * This facility is not available in BE3 FW. |
| 6158 | * Also, this is done by FW in Lancer chip. |
| 6159 | */ |
| 6160 | if (skyhawk_chip(adapter) && !pci_num_vf(pdev)) { |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 6161 | be_calculate_vf_res(adapter, adapter->num_vfs, |
| 6162 | &vft_res); |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 6163 | status = be_cmd_set_sriov_config(adapter, adapter->pool_res, |
Suresh Reddy | b9263cb | 2016-06-06 07:22:08 -0400 | [diff] [blame] | 6164 | adapter->num_vfs, &vft_res); |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 6165 | if (status) |
| 6166 | dev_err(&pdev->dev, |
| 6167 | "Failed to optimize SR-IOV resources\n"); |
| 6168 | } |
| 6169 | |
| 6170 | status = be_get_resources(adapter); |
| 6171 | if (status) |
| 6172 | return be_cmd_status(status); |
| 6173 | |
| 6174 | /* Updating real_num_tx/rx_queues() requires rtnl_lock() */ |
| 6175 | rtnl_lock(); |
| 6176 | status = be_update_queues(adapter); |
| 6177 | rtnl_unlock(); |
| 6178 | if (status) |
| 6179 | return be_cmd_status(status); |
| 6180 | |
| 6181 | if (adapter->num_vfs) |
| 6182 | status = be_vf_setup(adapter); |
| 6183 | |
| 6184 | if (!status) |
| 6185 | return adapter->num_vfs; |
| 6186 | |
| 6187 | return 0; |
| 6188 | } |
| 6189 | |
Stephen Hemminger | 3646f0e | 2012-09-07 09:33:15 -0700 | [diff] [blame] | 6190 | static const struct pci_error_handlers be_eeh_handlers = { |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6191 | .error_detected = be_eeh_err_detected, |
| 6192 | .slot_reset = be_eeh_reset, |
| 6193 | .resume = be_eeh_resume, |
| 6194 | }; |
| 6195 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6196 | static struct pci_driver be_driver = { |
| 6197 | .name = DRV_NAME, |
| 6198 | .id_table = be_dev_ids, |
| 6199 | .probe = be_probe, |
| 6200 | .remove = be_remove, |
| 6201 | .suspend = be_suspend, |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 6202 | .resume = be_pci_resume, |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 6203 | .shutdown = be_shutdown, |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 6204 | .sriov_configure = be_pci_sriov_configure, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 6205 | .err_handler = &be_eeh_handlers |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6206 | }; |
| 6207 | |
| 6208 | static int __init be_init_module(void) |
| 6209 | { |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 6210 | int status; |
| 6211 | |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 6212 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
| 6213 | rx_frag_size != 2048) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6214 | printk(KERN_WARNING DRV_NAME |
| 6215 | " : Module param rx_frag_size must be 2048/4096/8192." |
| 6216 | " Using 2048\n"); |
| 6217 | rx_frag_size = 2048; |
| 6218 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6219 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 6220 | if (num_vfs > 0) { |
| 6221 | pr_info(DRV_NAME " : Module param num_vfs is obsolete."); |
| 6222 | pr_info(DRV_NAME " : Use sysfs method to enable VFs\n"); |
| 6223 | } |
| 6224 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 6225 | be_wq = create_singlethread_workqueue("be_wq"); |
| 6226 | if (!be_wq) { |
| 6227 | pr_warn(DRV_NAME "workqueue creation failed\n"); |
| 6228 | return -1; |
| 6229 | } |
| 6230 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 6231 | be_err_recovery_workq = |
| 6232 | create_singlethread_workqueue("be_err_recover"); |
| 6233 | if (!be_err_recovery_workq) |
| 6234 | pr_warn(DRV_NAME "Could not create error recovery workqueue\n"); |
| 6235 | |
| 6236 | status = pci_register_driver(&be_driver); |
| 6237 | if (status) { |
| 6238 | destroy_workqueue(be_wq); |
| 6239 | be_destroy_err_recovery_workq(); |
| 6240 | } |
| 6241 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6242 | } |
| 6243 | module_init(be_init_module); |
| 6244 | |
| 6245 | static void __exit be_exit_module(void) |
| 6246 | { |
| 6247 | pci_unregister_driver(&be_driver); |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 6248 | |
Sriharsha Basavapatna | 710f3e5 | 2016-09-07 19:57:49 +0530 | [diff] [blame] | 6249 | be_destroy_err_recovery_workq(); |
| 6250 | |
Sathya Perla | b717241 | 2016-07-27 05:26:18 -0400 | [diff] [blame] | 6251 | if (be_wq) |
| 6252 | destroy_workqueue(be_wq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 6253 | } |
| 6254 | module_exit(be_exit_module); |