Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1 | /* |
Vasundhara Volam | 4026382 | 2014-02-12 16:09:07 +0530 | [diff] [blame] | 2 | * Copyright (C) 2005 - 2014 Emulex |
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 | |
Benoit Taine | 9baa3c3 | 2014-08-08 15:56:03 +0200 | [diff] [blame] | 44 | static const struct pci_device_id be_dev_ids[] = { |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 45 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
Ajit Khaparde | 59fd5d8 | 2009-10-29 01:11:06 -0700 | [diff] [blame] | 46 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 47 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
| 48 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 49 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
Mammatha Edhala | 12f4d0a | 2011-05-18 03:26:22 +0000 | [diff] [blame] | 50 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, |
Ajit Khaparde | ecedb6a | 2011-12-15 06:31:38 +0000 | [diff] [blame] | 51 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID5)}, |
Padmanabh Ratnakar | 76b7353 | 2012-10-20 06:04:40 +0000 | [diff] [blame] | 52 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID6)}, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 53 | { 0 } |
| 54 | }; |
| 55 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 56 | /* UE Status Low CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 57 | static const char * const ue_status_low_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 58 | "CEV", |
| 59 | "CTX", |
| 60 | "DBUF", |
| 61 | "ERX", |
| 62 | "Host", |
| 63 | "MPU", |
| 64 | "NDMA", |
| 65 | "PTC ", |
| 66 | "RDMA ", |
| 67 | "RXF ", |
| 68 | "RXIPS ", |
| 69 | "RXULP0 ", |
| 70 | "RXULP1 ", |
| 71 | "RXULP2 ", |
| 72 | "TIM ", |
| 73 | "TPOST ", |
| 74 | "TPRE ", |
| 75 | "TXIPS ", |
| 76 | "TXULP0 ", |
| 77 | "TXULP1 ", |
| 78 | "UC ", |
| 79 | "WDMA ", |
| 80 | "TXULP2 ", |
| 81 | "HOST1 ", |
| 82 | "P0_OB_LINK ", |
| 83 | "P1_OB_LINK ", |
| 84 | "HOST_GPIO ", |
| 85 | "MBOX ", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 86 | "ERX2 ", |
| 87 | "SPARE ", |
| 88 | "JTAG ", |
| 89 | "MPU_INTPEND " |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 90 | }; |
Kalesh AP | e2fb1af | 2014-09-19 15:46:58 +0530 | [diff] [blame] | 91 | |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 92 | /* UE Status High CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 93 | static const char * const ue_status_hi_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 94 | "LPCMEMHOST", |
| 95 | "MGMT_MAC", |
| 96 | "PCS0ONLINE", |
| 97 | "MPU_IRAM", |
| 98 | "PCS1ONLINE", |
| 99 | "PCTL0", |
| 100 | "PCTL1", |
| 101 | "PMEM", |
| 102 | "RR", |
| 103 | "TXPB", |
| 104 | "RXPP", |
| 105 | "XAUI", |
| 106 | "TXP", |
| 107 | "ARM", |
| 108 | "IPC", |
| 109 | "HOST2", |
| 110 | "HOST3", |
| 111 | "HOST4", |
| 112 | "HOST5", |
| 113 | "HOST6", |
| 114 | "HOST7", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 115 | "ECRC", |
| 116 | "Poison TLP", |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 117 | "NETC", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 118 | "PERIPH", |
| 119 | "LLTXULP", |
| 120 | "D2P", |
| 121 | "RCON", |
| 122 | "LDMA", |
| 123 | "LLTXP", |
| 124 | "LLTXPB", |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 125 | "Unknown" |
| 126 | }; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 127 | |
| 128 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
| 129 | { |
| 130 | struct be_dma_mem *mem = &q->dma_mem; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 131 | |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 132 | if (mem->va) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 133 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 134 | mem->dma); |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 135 | mem->va = NULL; |
| 136 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | 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] | 140 | u16 len, u16 entry_size) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 141 | { |
| 142 | struct be_dma_mem *mem = &q->dma_mem; |
| 143 | |
| 144 | memset(q, 0, sizeof(*q)); |
| 145 | q->len = len; |
| 146 | q->entry_size = entry_size; |
| 147 | mem->size = len * entry_size; |
Joe Perches | ede23fa | 2013-08-26 22:45:23 -0700 | [diff] [blame] | 148 | mem->va = dma_zalloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
| 149 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 150 | if (!mem->va) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 151 | return -ENOMEM; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 152 | return 0; |
| 153 | } |
| 154 | |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 155 | static void be_reg_intr_set(struct be_adapter *adapter, bool enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 156 | { |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 157 | u32 reg, enabled; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 158 | |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 159 | pci_read_config_dword(adapter->pdev, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 160 | ®); |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 161 | enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
| 162 | |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 163 | if (!enabled && enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 164 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 165 | else if (enabled && !enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 166 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 167 | else |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 168 | return; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 169 | |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 170 | pci_write_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 171 | PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, reg); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 172 | } |
| 173 | |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 174 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
| 175 | { |
| 176 | int status = 0; |
| 177 | |
| 178 | /* On lancer interrupts can't be controlled via this register */ |
| 179 | if (lancer_chip(adapter)) |
| 180 | return; |
| 181 | |
| 182 | if (adapter->eeh_error) |
| 183 | return; |
| 184 | |
| 185 | status = be_cmd_intr_set(adapter, enable); |
| 186 | if (status) |
| 187 | be_reg_intr_set(adapter, enable); |
| 188 | } |
| 189 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 190 | 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] | 191 | { |
| 192 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 193 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 194 | val |= qid & DB_RQ_RING_ID_MASK; |
| 195 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 196 | |
| 197 | wmb(); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 198 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 199 | } |
| 200 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 201 | static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 202 | u16 posted) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 203 | { |
| 204 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 205 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 206 | val |= txo->q.id & DB_TXULP_RING_ID_MASK; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 207 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 208 | |
| 209 | wmb(); |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 210 | iowrite32(val, adapter->db + txo->db_offset); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 211 | } |
| 212 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 213 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 214 | bool arm, bool clear_int, u16 num_popped) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 215 | { |
| 216 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 217 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 218 | val |= qid & DB_EQ_RING_ID_MASK; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 219 | 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] | 220 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 221 | if (adapter->eeh_error) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 222 | return; |
| 223 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 224 | if (arm) |
| 225 | val |= 1 << DB_EQ_REARM_SHIFT; |
| 226 | if (clear_int) |
| 227 | val |= 1 << DB_EQ_CLR_SHIFT; |
| 228 | val |= 1 << DB_EQ_EVNT_SHIFT; |
| 229 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 230 | iowrite32(val, adapter->db + DB_EQ_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 | 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] | 234 | { |
| 235 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 236 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 237 | val |= qid & DB_CQ_RING_ID_MASK; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 238 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
| 239 | DB_CQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 240 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 241 | if (adapter->eeh_error) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 242 | return; |
| 243 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 244 | if (arm) |
| 245 | val |= 1 << DB_CQ_REARM_SHIFT; |
| 246 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 247 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 248 | } |
| 249 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 250 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
| 251 | { |
| 252 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 253 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 254 | struct sockaddr *addr = p; |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 255 | int status; |
| 256 | u8 mac[ETH_ALEN]; |
| 257 | u32 old_pmac_id = adapter->pmac_id[0], curr_pmac_id = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 258 | |
Ajit Khaparde | ca9e498 | 2009-11-29 17:56:26 +0000 | [diff] [blame] | 259 | if (!is_valid_ether_addr(addr->sa_data)) |
| 260 | return -EADDRNOTAVAIL; |
| 261 | |
Vasundhara Volam | ff32f8a | 2014-01-15 13:23:35 +0530 | [diff] [blame] | 262 | /* Proceed further only if, User provided MAC is different |
| 263 | * from active MAC |
| 264 | */ |
| 265 | if (ether_addr_equal(addr->sa_data, netdev->dev_addr)) |
| 266 | return 0; |
| 267 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 268 | /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT |
| 269 | * privilege or if PF did not provision the new MAC address. |
| 270 | * On BE3, this cmd will always fail if the VF doesn't have the |
| 271 | * FILTMGMT privilege. This failure is OK, only if the PF programmed |
| 272 | * the MAC for the VF. |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 273 | */ |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 274 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
| 275 | adapter->if_handle, &adapter->pmac_id[0], 0); |
| 276 | if (!status) { |
| 277 | curr_pmac_id = adapter->pmac_id[0]; |
| 278 | |
| 279 | /* Delete the old programmed MAC. This call may fail if the |
| 280 | * old MAC was already deleted by the PF driver. |
| 281 | */ |
| 282 | if (adapter->pmac_id[0] != old_pmac_id) |
| 283 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 284 | old_pmac_id, 0); |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 285 | } |
| 286 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 287 | /* Decide if the new MAC is successfully activated only after |
| 288 | * querying the FW |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 289 | */ |
Suresh Reddy | b188f09 | 2014-01-15 13:23:39 +0530 | [diff] [blame] | 290 | status = be_cmd_get_active_mac(adapter, curr_pmac_id, mac, |
| 291 | adapter->if_handle, true, 0); |
Sathya Perla | a65027e | 2009-08-17 00:58:04 +0000 | [diff] [blame] | 292 | if (status) |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 293 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 294 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 295 | /* The MAC change did not happen, either due to lack of privilege |
| 296 | * or PF didn't pre-provision. |
| 297 | */ |
dingtianhong | 61d23e9 | 2013-12-30 15:40:43 +0800 | [diff] [blame] | 298 | if (!ether_addr_equal(addr->sa_data, mac)) { |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 299 | status = -EPERM; |
| 300 | goto err; |
| 301 | } |
| 302 | |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 303 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 304 | dev_info(dev, "MAC address changed to %pM\n", mac); |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 305 | return 0; |
| 306 | err: |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 307 | 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] | 308 | return status; |
| 309 | } |
| 310 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 311 | /* BE2 supports only v0 cmd */ |
| 312 | static void *hw_stats_from_cmd(struct be_adapter *adapter) |
| 313 | { |
| 314 | if (BE2_chip(adapter)) { |
| 315 | struct be_cmd_resp_get_stats_v0 *cmd = adapter->stats_cmd.va; |
| 316 | |
| 317 | return &cmd->hw_stats; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 318 | } else if (BE3_chip(adapter)) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 319 | struct be_cmd_resp_get_stats_v1 *cmd = adapter->stats_cmd.va; |
| 320 | |
| 321 | return &cmd->hw_stats; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 322 | } else { |
| 323 | struct be_cmd_resp_get_stats_v2 *cmd = adapter->stats_cmd.va; |
| 324 | |
| 325 | return &cmd->hw_stats; |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 326 | } |
| 327 | } |
| 328 | |
| 329 | /* BE2 supports only v0 cmd */ |
| 330 | static void *be_erx_stats_from_cmd(struct be_adapter *adapter) |
| 331 | { |
| 332 | if (BE2_chip(adapter)) { |
| 333 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 334 | |
| 335 | return &hw_stats->erx; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 336 | } else if (BE3_chip(adapter)) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 337 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 338 | |
| 339 | return &hw_stats->erx; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 340 | } else { |
| 341 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); |
| 342 | |
| 343 | return &hw_stats->erx; |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 344 | } |
| 345 | } |
| 346 | |
| 347 | static void populate_be_v0_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 348 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 349 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 350 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 351 | struct be_rxf_stats_v0 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 352 | struct be_port_rxf_stats_v0 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 353 | &rxf_stats->port[adapter->port_num]; |
| 354 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 355 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 356 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 357 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 358 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 359 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 360 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 361 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 362 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 363 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 364 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 365 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 366 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; |
| 367 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 368 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 369 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 370 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 371 | drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 372 | drvs->rx_dropped_header_too_small = |
| 373 | port_stats->rx_dropped_header_too_small; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 374 | drvs->rx_address_filtered = |
| 375 | port_stats->rx_address_filtered + |
| 376 | port_stats->rx_vlan_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 377 | drvs->rx_alignment_symbol_errors = |
| 378 | port_stats->rx_alignment_symbol_errors; |
| 379 | |
| 380 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 381 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 382 | |
| 383 | if (adapter->port_num) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 384 | drvs->jabber_events = rxf_stats->port1_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 385 | else |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 386 | drvs->jabber_events = rxf_stats->port0_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 387 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 388 | 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] | 389 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 390 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 391 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 392 | 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] | 393 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 394 | } |
| 395 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 396 | static void populate_be_v1_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 397 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 398 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 399 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 400 | struct be_rxf_stats_v1 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 401 | struct be_port_rxf_stats_v1 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 402 | &rxf_stats->port[adapter->port_num]; |
| 403 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 404 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 405 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 02fe702 | 2011-12-09 13:53:09 +0000 | [diff] [blame] | 406 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 407 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 408 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 409 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 410 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 411 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 412 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 413 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 414 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 415 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 416 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 417 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 418 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 419 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 420 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 421 | drvs->rx_dropped_header_too_small = |
| 422 | port_stats->rx_dropped_header_too_small; |
| 423 | drvs->rx_input_fifo_overflow_drop = |
| 424 | port_stats->rx_input_fifo_overflow_drop; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 425 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 426 | drvs->rx_alignment_symbol_errors = |
| 427 | port_stats->rx_alignment_symbol_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 428 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 429 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 430 | drvs->tx_controlframes = port_stats->tx_controlframes; |
Ajit Khaparde | b5adffc4 | 2013-05-01 09:38:00 +0000 | [diff] [blame] | 431 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 432 | drvs->jabber_events = port_stats->jabber_events; |
| 433 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 434 | 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] | 435 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 436 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 437 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 438 | 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] | 439 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 440 | } |
| 441 | |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 442 | static void populate_be_v2_stats(struct be_adapter *adapter) |
| 443 | { |
| 444 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); |
| 445 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 446 | struct be_rxf_stats_v2 *rxf_stats = &hw_stats->rxf; |
| 447 | struct be_port_rxf_stats_v2 *port_stats = |
| 448 | &rxf_stats->port[adapter->port_num]; |
| 449 | struct be_drv_stats *drvs = &adapter->drv_stats; |
| 450 | |
| 451 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
| 452 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 453 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
| 454 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 455 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 456 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 457 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 458 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 459 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 460 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 461 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 462 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 463 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 464 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 465 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 466 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 467 | drvs->rx_dropped_header_too_small = |
| 468 | port_stats->rx_dropped_header_too_small; |
| 469 | drvs->rx_input_fifo_overflow_drop = |
| 470 | port_stats->rx_input_fifo_overflow_drop; |
| 471 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
| 472 | drvs->rx_alignment_symbol_errors = |
| 473 | port_stats->rx_alignment_symbol_errors; |
| 474 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
| 475 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 476 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 477 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
| 478 | drvs->jabber_events = port_stats->jabber_events; |
| 479 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
| 480 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
| 481 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 482 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
| 483 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 484 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; |
| 485 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 486 | if (be_roce_supported(adapter)) { |
Ajit Khaparde | 461ae37 | 2013-10-03 16:16:50 -0500 | [diff] [blame] | 487 | drvs->rx_roce_bytes_lsd = port_stats->roce_bytes_received_lsd; |
| 488 | drvs->rx_roce_bytes_msd = port_stats->roce_bytes_received_msd; |
| 489 | drvs->rx_roce_frames = port_stats->roce_frames_received; |
| 490 | drvs->roce_drops_crc = port_stats->roce_drops_crc; |
| 491 | drvs->roce_drops_payload_len = |
| 492 | port_stats->roce_drops_payload_len; |
| 493 | } |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 494 | } |
| 495 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 496 | static void populate_lancer_stats(struct be_adapter *adapter) |
| 497 | { |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 498 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 499 | struct lancer_pport_stats *pport_stats = pport_stats_from_cmd(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 500 | |
| 501 | be_dws_le_to_cpu(pport_stats, sizeof(*pport_stats)); |
| 502 | drvs->rx_pause_frames = pport_stats->rx_pause_frames_lo; |
| 503 | drvs->rx_crc_errors = pport_stats->rx_crc_errors_lo; |
| 504 | drvs->rx_control_frames = pport_stats->rx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 505 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 506 | drvs->rx_frame_too_long = pport_stats->rx_frames_too_long_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 507 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; |
| 508 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; |
| 509 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; |
| 510 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; |
| 511 | drvs->rx_dropped_tcp_length = |
| 512 | pport_stats->rx_dropped_invalid_tcp_length; |
| 513 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; |
| 514 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; |
| 515 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; |
| 516 | drvs->rx_dropped_header_too_small = |
| 517 | pport_stats->rx_dropped_header_too_small; |
| 518 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 519 | drvs->rx_address_filtered = |
| 520 | pport_stats->rx_address_filtered + |
| 521 | pport_stats->rx_vlan_filtered; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 522 | drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 523 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 524 | drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; |
| 525 | drvs->tx_controlframes = pport_stats->tx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 526 | drvs->jabber_events = pport_stats->rx_jabbers; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 527 | drvs->forwarded_packets = pport_stats->num_forwards_lo; |
| 528 | drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 529 | drvs->rx_drops_too_many_frags = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 530 | pport_stats->rx_drops_too_many_frags_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 531 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 532 | |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 533 | static void accumulate_16bit_val(u32 *acc, u16 val) |
| 534 | { |
| 535 | #define lo(x) (x & 0xFFFF) |
| 536 | #define hi(x) (x & 0xFFFF0000) |
| 537 | bool wrapped = val < lo(*acc); |
| 538 | u32 newacc = hi(*acc) + val; |
| 539 | |
| 540 | if (wrapped) |
| 541 | newacc += 65536; |
| 542 | ACCESS_ONCE(*acc) = newacc; |
| 543 | } |
| 544 | |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 545 | static void populate_erx_stats(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 546 | struct be_rx_obj *rxo, u32 erx_stat) |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 547 | { |
| 548 | if (!BEx_chip(adapter)) |
| 549 | rx_stats(rxo)->rx_drops_no_frags = erx_stat; |
| 550 | else |
| 551 | /* below erx HW counter can actually wrap around after |
| 552 | * 65535. Driver accumulates a 32-bit value |
| 553 | */ |
| 554 | accumulate_16bit_val(&rx_stats(rxo)->rx_drops_no_frags, |
| 555 | (u16)erx_stat); |
| 556 | } |
| 557 | |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 558 | void be_parse_stats(struct be_adapter *adapter) |
| 559 | { |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 560 | struct be_erx_stats_v2 *erx = be_erx_stats_from_cmd(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 561 | struct be_rx_obj *rxo; |
| 562 | int i; |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 563 | u32 erx_stat; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 564 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 565 | if (lancer_chip(adapter)) { |
| 566 | populate_lancer_stats(adapter); |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 567 | } else { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 568 | if (BE2_chip(adapter)) |
| 569 | populate_be_v0_stats(adapter); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 570 | else if (BE3_chip(adapter)) |
| 571 | /* for BE3 */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 572 | populate_be_v1_stats(adapter); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 573 | else |
| 574 | populate_be_v2_stats(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 575 | |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 576 | /* 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] | 577 | for_all_rx_queues(adapter, rxo, i) { |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 578 | erx_stat = erx->rx_drops_no_fragments[rxo->q.id]; |
| 579 | populate_erx_stats(adapter, rxo, erx_stat); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 580 | } |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 581 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 582 | } |
| 583 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 584 | static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 585 | struct rtnl_link_stats64 *stats) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 586 | { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 587 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 588 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 589 | struct be_rx_obj *rxo; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 590 | struct be_tx_obj *txo; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 591 | u64 pkts, bytes; |
| 592 | unsigned int start; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 593 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 594 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 595 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 596 | const struct be_rx_stats *rx_stats = rx_stats(rxo); |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 597 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 598 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 599 | start = u64_stats_fetch_begin_irq(&rx_stats->sync); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 600 | pkts = rx_stats(rxo)->rx_pkts; |
| 601 | bytes = rx_stats(rxo)->rx_bytes; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 602 | } while (u64_stats_fetch_retry_irq(&rx_stats->sync, start)); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 603 | stats->rx_packets += pkts; |
| 604 | stats->rx_bytes += bytes; |
| 605 | stats->multicast += rx_stats(rxo)->rx_mcast_pkts; |
| 606 | stats->rx_dropped += rx_stats(rxo)->rx_drops_no_skbs + |
| 607 | rx_stats(rxo)->rx_drops_no_frags; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 608 | } |
| 609 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 610 | for_all_tx_queues(adapter, txo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 611 | const struct be_tx_stats *tx_stats = tx_stats(txo); |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 612 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 613 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 614 | start = u64_stats_fetch_begin_irq(&tx_stats->sync); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 615 | pkts = tx_stats(txo)->tx_pkts; |
| 616 | bytes = tx_stats(txo)->tx_bytes; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 617 | } while (u64_stats_fetch_retry_irq(&tx_stats->sync, start)); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 618 | stats->tx_packets += pkts; |
| 619 | stats->tx_bytes += bytes; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 620 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 621 | |
| 622 | /* bad pkts received */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 623 | stats->rx_errors = drvs->rx_crc_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 624 | drvs->rx_alignment_symbol_errors + |
| 625 | drvs->rx_in_range_errors + |
| 626 | drvs->rx_out_range_errors + |
| 627 | drvs->rx_frame_too_long + |
| 628 | drvs->rx_dropped_too_small + |
| 629 | drvs->rx_dropped_too_short + |
| 630 | drvs->rx_dropped_header_too_small + |
| 631 | drvs->rx_dropped_tcp_length + |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 632 | drvs->rx_dropped_runt; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 633 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 634 | /* detailed rx errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 635 | stats->rx_length_errors = drvs->rx_in_range_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 636 | drvs->rx_out_range_errors + |
| 637 | drvs->rx_frame_too_long; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 638 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 639 | stats->rx_crc_errors = drvs->rx_crc_errors; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 640 | |
| 641 | /* frame alignment errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 642 | stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 643 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 644 | /* receiver fifo overrun */ |
| 645 | /* 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] | 646 | stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 647 | drvs->rx_input_fifo_overflow_drop + |
| 648 | drvs->rx_drops_no_pbuf; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 649 | return stats; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 650 | } |
| 651 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 652 | void be_link_status_update(struct be_adapter *adapter, u8 link_status) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 653 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 654 | struct net_device *netdev = adapter->netdev; |
| 655 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 656 | if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { |
Sathya Perla | ea172a0 | 2011-08-02 19:57:42 +0000 | [diff] [blame] | 657 | netif_carrier_off(netdev); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 658 | adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 659 | } |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 660 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 661 | if (link_status) |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 662 | netif_carrier_on(netdev); |
| 663 | else |
| 664 | netif_carrier_off(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 665 | } |
| 666 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 667 | 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] | 668 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 669 | struct be_tx_stats *stats = tx_stats(txo); |
| 670 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 671 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 672 | stats->tx_reqs++; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 673 | stats->tx_bytes += skb->len; |
| 674 | stats->tx_pkts += (skb_shinfo(skb)->gso_segs ? : 1); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 675 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 676 | } |
| 677 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 678 | /* Returns number of WRBs needed for the skb */ |
| 679 | static u32 skb_wrb_cnt(struct sk_buff *skb) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 680 | { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 681 | /* +1 for the header wrb */ |
| 682 | return 1 + (skb_headlen(skb) ? 1 : 0) + skb_shinfo(skb)->nr_frags; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 683 | } |
| 684 | |
| 685 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) |
| 686 | { |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 687 | wrb->frag_pa_hi = cpu_to_le32(upper_32_bits(addr)); |
| 688 | wrb->frag_pa_lo = cpu_to_le32(lower_32_bits(addr)); |
| 689 | wrb->frag_len = cpu_to_le32(len & ETH_WRB_FRAG_LEN_MASK); |
| 690 | wrb->rsvd0 = 0; |
| 691 | } |
| 692 | |
| 693 | /* A dummy wrb is just all zeros. Using a separate routine for dummy-wrb |
| 694 | * to avoid the swap and shift/mask operations in wrb_fill(). |
| 695 | */ |
| 696 | static inline void wrb_fill_dummy(struct be_eth_wrb *wrb) |
| 697 | { |
| 698 | wrb->frag_pa_hi = 0; |
| 699 | wrb->frag_pa_lo = 0; |
| 700 | wrb->frag_len = 0; |
Somnath Kotur | 89b1f49 | 2012-06-24 19:40:55 +0000 | [diff] [blame] | 701 | wrb->rsvd0 = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 702 | } |
| 703 | |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 704 | static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 705 | struct sk_buff *skb) |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 706 | { |
| 707 | u8 vlan_prio; |
| 708 | u16 vlan_tag; |
| 709 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 710 | vlan_tag = skb_vlan_tag_get(skb); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 711 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; |
| 712 | /* If vlan priority provided by OS is NOT in available bmap */ |
| 713 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) |
| 714 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | |
| 715 | adapter->recommended_prio; |
| 716 | |
| 717 | return vlan_tag; |
| 718 | } |
| 719 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 720 | /* Used only for IP tunnel packets */ |
| 721 | static u16 skb_inner_ip_proto(struct sk_buff *skb) |
| 722 | { |
| 723 | return (inner_ip_hdr(skb)->version == 4) ? |
| 724 | inner_ip_hdr(skb)->protocol : inner_ipv6_hdr(skb)->nexthdr; |
| 725 | } |
| 726 | |
| 727 | static u16 skb_ip_proto(struct sk_buff *skb) |
| 728 | { |
| 729 | return (ip_hdr(skb)->version == 4) ? |
| 730 | ip_hdr(skb)->protocol : ipv6_hdr(skb)->nexthdr; |
| 731 | } |
| 732 | |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 733 | static inline bool be_is_txq_full(struct be_tx_obj *txo) |
| 734 | { |
| 735 | return atomic_read(&txo->q.used) + BE_MAX_TX_FRAG_COUNT >= txo->q.len; |
| 736 | } |
| 737 | |
| 738 | static inline bool be_can_txq_wake(struct be_tx_obj *txo) |
| 739 | { |
| 740 | return atomic_read(&txo->q.used) < txo->q.len / 2; |
| 741 | } |
| 742 | |
| 743 | static inline bool be_is_tx_compl_pending(struct be_tx_obj *txo) |
| 744 | { |
| 745 | return atomic_read(&txo->q.used) > txo->pend_wrb_cnt; |
| 746 | } |
| 747 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 748 | static void be_get_wrb_params_from_skb(struct be_adapter *adapter, |
| 749 | struct sk_buff *skb, |
| 750 | struct be_wrb_params *wrb_params) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 751 | { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 752 | u16 proto; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 753 | |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 754 | if (skb_is_gso(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 755 | BE_WRB_F_SET(wrb_params->features, LSO, 1); |
| 756 | wrb_params->lso_mss = skb_shinfo(skb)->gso_size; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 757 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 758 | BE_WRB_F_SET(wrb_params->features, LSO6, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 759 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 760 | if (skb->encapsulation) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 761 | BE_WRB_F_SET(wrb_params->features, IPCS, 1); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 762 | proto = skb_inner_ip_proto(skb); |
| 763 | } else { |
| 764 | proto = skb_ip_proto(skb); |
| 765 | } |
| 766 | if (proto == IPPROTO_TCP) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 767 | BE_WRB_F_SET(wrb_params->features, TCPCS, 1); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 768 | else if (proto == IPPROTO_UDP) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 769 | BE_WRB_F_SET(wrb_params->features, UDPCS, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 770 | } |
| 771 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 772 | if (skb_vlan_tag_present(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 773 | BE_WRB_F_SET(wrb_params->features, VLAN, 1); |
| 774 | wrb_params->vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 775 | } |
| 776 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 777 | BE_WRB_F_SET(wrb_params->features, CRC, 1); |
| 778 | } |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 779 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 780 | static void wrb_fill_hdr(struct be_adapter *adapter, |
| 781 | struct be_eth_hdr_wrb *hdr, |
| 782 | struct be_wrb_params *wrb_params, |
| 783 | struct sk_buff *skb) |
| 784 | { |
| 785 | memset(hdr, 0, sizeof(*hdr)); |
| 786 | |
| 787 | SET_TX_WRB_HDR_BITS(crc, hdr, |
| 788 | BE_WRB_F_GET(wrb_params->features, CRC)); |
| 789 | SET_TX_WRB_HDR_BITS(ipcs, hdr, |
| 790 | BE_WRB_F_GET(wrb_params->features, IPCS)); |
| 791 | SET_TX_WRB_HDR_BITS(tcpcs, hdr, |
| 792 | BE_WRB_F_GET(wrb_params->features, TCPCS)); |
| 793 | SET_TX_WRB_HDR_BITS(udpcs, hdr, |
| 794 | BE_WRB_F_GET(wrb_params->features, UDPCS)); |
| 795 | |
| 796 | SET_TX_WRB_HDR_BITS(lso, hdr, |
| 797 | BE_WRB_F_GET(wrb_params->features, LSO)); |
| 798 | SET_TX_WRB_HDR_BITS(lso6, hdr, |
| 799 | BE_WRB_F_GET(wrb_params->features, LSO6)); |
| 800 | SET_TX_WRB_HDR_BITS(lso_mss, hdr, wrb_params->lso_mss); |
| 801 | |
| 802 | /* Hack to skip HW VLAN tagging needs evt = 1, compl = 0. When this |
| 803 | * hack is not needed, the evt bit is set while ringing DB. |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 804 | */ |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 805 | SET_TX_WRB_HDR_BITS(event, hdr, |
| 806 | BE_WRB_F_GET(wrb_params->features, VLAN_SKIP_HW)); |
| 807 | SET_TX_WRB_HDR_BITS(vlan, hdr, |
| 808 | BE_WRB_F_GET(wrb_params->features, VLAN)); |
| 809 | SET_TX_WRB_HDR_BITS(vlan_tag, hdr, wrb_params->vlan_tag); |
| 810 | |
| 811 | SET_TX_WRB_HDR_BITS(num_wrb, hdr, skb_wrb_cnt(skb)); |
| 812 | SET_TX_WRB_HDR_BITS(len, hdr, skb->len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 813 | } |
| 814 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 815 | 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] | 816 | bool unmap_single) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 817 | { |
| 818 | dma_addr_t dma; |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 819 | u32 frag_len = le32_to_cpu(wrb->frag_len); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 820 | |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 821 | |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 822 | dma = (u64)le32_to_cpu(wrb->frag_pa_hi) << 32 | |
| 823 | (u64)le32_to_cpu(wrb->frag_pa_lo); |
| 824 | if (frag_len) { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 825 | if (unmap_single) |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 826 | dma_unmap_single(dev, dma, frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 827 | else |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 828 | dma_unmap_page(dev, dma, frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 829 | } |
| 830 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 831 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 832 | /* Grab a WRB header for xmit */ |
| 833 | static u16 be_tx_get_wrb_hdr(struct be_tx_obj *txo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 834 | { |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 835 | u16 head = txo->q.head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 836 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 837 | queue_head_inc(&txo->q); |
| 838 | return head; |
| 839 | } |
| 840 | |
| 841 | /* Set up the WRB header for xmit */ |
| 842 | static void be_tx_setup_wrb_hdr(struct be_adapter *adapter, |
| 843 | struct be_tx_obj *txo, |
| 844 | struct be_wrb_params *wrb_params, |
| 845 | struct sk_buff *skb, u16 head) |
| 846 | { |
| 847 | u32 num_frags = skb_wrb_cnt(skb); |
| 848 | struct be_queue_info *txq = &txo->q; |
| 849 | struct be_eth_hdr_wrb *hdr = queue_index_node(txq, head); |
| 850 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 851 | wrb_fill_hdr(adapter, hdr, wrb_params, skb); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 852 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
| 853 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 854 | BUG_ON(txo->sent_skb_list[head]); |
| 855 | txo->sent_skb_list[head] = skb; |
| 856 | txo->last_req_hdr = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 857 | atomic_add(num_frags, &txq->used); |
| 858 | txo->last_req_wrb_cnt = num_frags; |
| 859 | txo->pend_wrb_cnt += num_frags; |
| 860 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 861 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 862 | /* Setup a WRB fragment (buffer descriptor) for xmit */ |
| 863 | static void be_tx_setup_wrb_frag(struct be_tx_obj *txo, dma_addr_t busaddr, |
| 864 | int len) |
| 865 | { |
| 866 | struct be_eth_wrb *wrb; |
| 867 | struct be_queue_info *txq = &txo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 868 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 869 | wrb = queue_head_node(txq); |
| 870 | wrb_fill(wrb, busaddr, len); |
| 871 | queue_head_inc(txq); |
| 872 | } |
| 873 | |
| 874 | /* Bring the queue back to the state it was in before be_xmit_enqueue() routine |
| 875 | * was invoked. The producer index is restored to the previous packet and the |
| 876 | * WRBs of the current packet are unmapped. Invoked to handle tx setup errors. |
| 877 | */ |
| 878 | static void be_xmit_restore(struct be_adapter *adapter, |
| 879 | struct be_tx_obj *txo, u16 head, bool map_single, |
| 880 | u32 copied) |
| 881 | { |
| 882 | struct device *dev; |
| 883 | struct be_eth_wrb *wrb; |
| 884 | struct be_queue_info *txq = &txo->q; |
| 885 | |
| 886 | dev = &adapter->pdev->dev; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 887 | txq->head = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 888 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 889 | /* skip the first wrb (hdr); it's not mapped */ |
| 890 | queue_head_inc(txq); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 891 | while (copied) { |
| 892 | wrb = queue_head_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 893 | unmap_tx_frag(dev, wrb, map_single); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 894 | map_single = false; |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 895 | copied -= le32_to_cpu(wrb->frag_len); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 896 | queue_head_inc(txq); |
| 897 | } |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 898 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 899 | txq->head = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 900 | } |
| 901 | |
| 902 | /* Enqueue the given packet for transmit. This routine allocates WRBs for the |
| 903 | * packet, dma maps the packet buffers and sets up the WRBs. Returns the number |
| 904 | * of WRBs used up by the packet. |
| 905 | */ |
| 906 | static u32 be_xmit_enqueue(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 907 | struct sk_buff *skb, |
| 908 | struct be_wrb_params *wrb_params) |
| 909 | { |
| 910 | u32 i, copied = 0, wrb_cnt = skb_wrb_cnt(skb); |
| 911 | struct device *dev = &adapter->pdev->dev; |
| 912 | struct be_queue_info *txq = &txo->q; |
| 913 | bool map_single = false; |
| 914 | u16 head = txq->head; |
| 915 | dma_addr_t busaddr; |
| 916 | int len; |
| 917 | |
| 918 | head = be_tx_get_wrb_hdr(txo); |
| 919 | |
| 920 | if (skb->len > skb->data_len) { |
| 921 | len = skb_headlen(skb); |
| 922 | |
| 923 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
| 924 | if (dma_mapping_error(dev, busaddr)) |
| 925 | goto dma_err; |
| 926 | map_single = true; |
| 927 | be_tx_setup_wrb_frag(txo, busaddr, len); |
| 928 | copied += len; |
| 929 | } |
| 930 | |
| 931 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
| 932 | const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; |
| 933 | len = skb_frag_size(frag); |
| 934 | |
| 935 | busaddr = skb_frag_dma_map(dev, frag, 0, len, DMA_TO_DEVICE); |
| 936 | if (dma_mapping_error(dev, busaddr)) |
| 937 | goto dma_err; |
| 938 | be_tx_setup_wrb_frag(txo, busaddr, len); |
| 939 | copied += len; |
| 940 | } |
| 941 | |
| 942 | be_tx_setup_wrb_hdr(adapter, txo, wrb_params, skb, head); |
| 943 | |
| 944 | be_tx_stats_update(txo, skb); |
| 945 | return wrb_cnt; |
| 946 | |
| 947 | dma_err: |
| 948 | adapter->drv_stats.dma_map_errors++; |
| 949 | be_xmit_restore(adapter, txo, head, map_single, copied); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 950 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 951 | } |
| 952 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 953 | static inline int qnq_async_evt_rcvd(struct be_adapter *adapter) |
| 954 | { |
| 955 | return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD; |
| 956 | } |
| 957 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 958 | 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] | 959 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 960 | struct be_wrb_params |
| 961 | *wrb_params) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 962 | { |
| 963 | u16 vlan_tag = 0; |
| 964 | |
| 965 | skb = skb_share_check(skb, GFP_ATOMIC); |
| 966 | if (unlikely(!skb)) |
| 967 | return skb; |
| 968 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 969 | if (skb_vlan_tag_present(skb)) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 970 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Sarveshwar Bandi | 52fe29e | 2013-07-16 12:44:02 +0530 | [diff] [blame] | 971 | |
| 972 | if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { |
| 973 | if (!vlan_tag) |
| 974 | vlan_tag = adapter->pvid; |
| 975 | /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to |
| 976 | * skip VLAN insertion |
| 977 | */ |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 978 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Sarveshwar Bandi | 52fe29e | 2013-07-16 12:44:02 +0530 | [diff] [blame] | 979 | } |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 980 | |
| 981 | if (vlan_tag) { |
Jiri Pirko | 62749e2 | 2014-11-19 14:04:58 +0100 | [diff] [blame] | 982 | skb = vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), |
| 983 | vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 984 | if (unlikely(!skb)) |
| 985 | return skb; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 986 | skb->vlan_tci = 0; |
| 987 | } |
| 988 | |
| 989 | /* Insert the outer VLAN, if any */ |
| 990 | if (adapter->qnq_vid) { |
| 991 | vlan_tag = adapter->qnq_vid; |
Jiri Pirko | 62749e2 | 2014-11-19 14:04:58 +0100 | [diff] [blame] | 992 | skb = vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), |
| 993 | vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 994 | if (unlikely(!skb)) |
| 995 | return skb; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 996 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 997 | } |
| 998 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 999 | return skb; |
| 1000 | } |
| 1001 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1002 | static bool be_ipv6_exthdr_check(struct sk_buff *skb) |
| 1003 | { |
| 1004 | struct ethhdr *eh = (struct ethhdr *)skb->data; |
| 1005 | u16 offset = ETH_HLEN; |
| 1006 | |
| 1007 | if (eh->h_proto == htons(ETH_P_IPV6)) { |
| 1008 | struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset); |
| 1009 | |
| 1010 | offset += sizeof(struct ipv6hdr); |
| 1011 | if (ip6h->nexthdr != NEXTHDR_TCP && |
| 1012 | ip6h->nexthdr != NEXTHDR_UDP) { |
| 1013 | struct ipv6_opt_hdr *ehdr = |
Kalesh AP | 504fbf1 | 2014-09-19 15:47:00 +0530 | [diff] [blame] | 1014 | (struct ipv6_opt_hdr *)(skb->data + offset); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1015 | |
| 1016 | /* offending pkt: 2nd byte following IPv6 hdr is 0xff */ |
| 1017 | if (ehdr->hdrlen == 0xff) |
| 1018 | return true; |
| 1019 | } |
| 1020 | } |
| 1021 | return false; |
| 1022 | } |
| 1023 | |
| 1024 | static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb) |
| 1025 | { |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1026 | return skb_vlan_tag_present(skb) || adapter->pvid || adapter->qnq_vid; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1027 | } |
| 1028 | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1029 | 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] | 1030 | { |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1031 | return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1032 | } |
| 1033 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1034 | static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, |
| 1035 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1036 | struct be_wrb_params |
| 1037 | *wrb_params) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1038 | { |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1039 | struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1040 | unsigned int eth_hdr_len; |
| 1041 | struct iphdr *ip; |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1042 | |
Ajit Khaparde | 1297f9d | 2013-04-24 11:52:28 +0000 | [diff] [blame] | 1043 | /* For padded packets, BE HW modifies tot_len field in IP header |
| 1044 | * incorrecly when VLAN tag is inserted by HW. |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 1045 | * For padded packets, Lancer computes incorrect checksum. |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1046 | */ |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1047 | eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? |
| 1048 | VLAN_ETH_HLEN : ETH_HLEN; |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 1049 | if (skb->len <= 60 && |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1050 | (lancer_chip(adapter) || skb_vlan_tag_present(skb)) && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1051 | is_ipv4_pkt(skb)) { |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1052 | ip = (struct iphdr *)ip_hdr(skb); |
| 1053 | pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); |
| 1054 | } |
| 1055 | |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1056 | /* If vlan tag is already inlined in the packet, skip HW VLAN |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1057 | * tagging in pvid-tagging mode |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1058 | */ |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1059 | if (be_pvid_tagging_enabled(adapter) && |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1060 | veh->h_vlan_proto == htons(ETH_P_8021Q)) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1061 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1062 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1063 | /* HW has a bug wherein it will calculate CSUM for VLAN |
| 1064 | * pkts even though it is disabled. |
| 1065 | * Manually insert VLAN in pkt. |
| 1066 | */ |
| 1067 | if (skb->ip_summed != CHECKSUM_PARTIAL && |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1068 | skb_vlan_tag_present(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1069 | skb = be_insert_vlan_in_pkt(adapter, skb, wrb_params); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1070 | if (unlikely(!skb)) |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1071 | goto err; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1072 | } |
| 1073 | |
| 1074 | /* HW may lockup when VLAN HW tagging is requested on |
| 1075 | * certain ipv6 packets. Drop such pkts if the HW workaround to |
| 1076 | * skip HW tagging is not enabled by FW. |
| 1077 | */ |
| 1078 | if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) && |
Kalesh AP | cd3307aa | 2014-09-19 15:47:02 +0530 | [diff] [blame] | 1079 | (adapter->pvid || adapter->qnq_vid) && |
| 1080 | !qnq_async_evt_rcvd(adapter))) |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1081 | goto tx_drop; |
| 1082 | |
| 1083 | /* Manual VLAN tag insertion to prevent: |
| 1084 | * ASIC lockup when the ASIC inserts VLAN tag into |
| 1085 | * certain ipv6 packets. Insert VLAN tags in driver, |
| 1086 | * and set event, completion, vlan bits accordingly |
| 1087 | * in the Tx WRB. |
| 1088 | */ |
| 1089 | if (be_ipv6_tx_stall_chk(adapter, skb) && |
| 1090 | be_vlan_tag_tx_chk(adapter, skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1091 | skb = be_insert_vlan_in_pkt(adapter, skb, wrb_params); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1092 | if (unlikely(!skb)) |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1093 | goto err; |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1094 | } |
| 1095 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1096 | return skb; |
| 1097 | tx_drop: |
| 1098 | dev_kfree_skb_any(skb); |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1099 | err: |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1100 | return NULL; |
| 1101 | } |
| 1102 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1103 | static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, |
| 1104 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1105 | struct be_wrb_params *wrb_params) |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1106 | { |
| 1107 | /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or |
| 1108 | * less may cause a transmit stall on that port. So the work-around is |
| 1109 | * to pad short packets (<= 32 bytes) to a 36-byte length. |
| 1110 | */ |
| 1111 | if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { |
Alexander Duyck | 74b6939 | 2014-12-03 08:17:46 -0800 | [diff] [blame] | 1112 | if (skb_put_padto(skb, 36)) |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1113 | return NULL; |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1114 | } |
| 1115 | |
| 1116 | if (BEx_chip(adapter) || lancer_chip(adapter)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1117 | skb = be_lancer_xmit_workarounds(adapter, skb, wrb_params); |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1118 | if (!skb) |
| 1119 | return NULL; |
| 1120 | } |
| 1121 | |
| 1122 | return skb; |
| 1123 | } |
| 1124 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1125 | static void be_xmit_flush(struct be_adapter *adapter, struct be_tx_obj *txo) |
| 1126 | { |
| 1127 | struct be_queue_info *txq = &txo->q; |
| 1128 | struct be_eth_hdr_wrb *hdr = queue_index_node(txq, txo->last_req_hdr); |
| 1129 | |
| 1130 | /* Mark the last request eventable if it hasn't been marked already */ |
| 1131 | if (!(hdr->dw[2] & cpu_to_le32(TX_HDR_WRB_EVT))) |
| 1132 | hdr->dw[2] |= cpu_to_le32(TX_HDR_WRB_EVT | TX_HDR_WRB_COMPL); |
| 1133 | |
| 1134 | /* compose a dummy wrb if there are odd set of wrbs to notify */ |
| 1135 | if (!lancer_chip(adapter) && (txo->pend_wrb_cnt & 1)) { |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 1136 | wrb_fill_dummy(queue_head_node(txq)); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1137 | queue_head_inc(txq); |
| 1138 | atomic_inc(&txq->used); |
| 1139 | txo->pend_wrb_cnt++; |
| 1140 | hdr->dw[2] &= ~cpu_to_le32(TX_HDR_WRB_NUM_MASK << |
| 1141 | TX_HDR_WRB_NUM_SHIFT); |
| 1142 | hdr->dw[2] |= cpu_to_le32((txo->last_req_wrb_cnt + 1) << |
| 1143 | TX_HDR_WRB_NUM_SHIFT); |
| 1144 | } |
| 1145 | be_txq_notify(adapter, txo, txo->pend_wrb_cnt); |
| 1146 | txo->pend_wrb_cnt = 0; |
| 1147 | } |
| 1148 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1149 | static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) |
| 1150 | { |
| 1151 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1152 | u16 q_idx = skb_get_queue_mapping(skb); |
| 1153 | struct be_tx_obj *txo = &adapter->tx_obj[q_idx]; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1154 | struct be_wrb_params wrb_params = { 0 }; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1155 | bool flush = !skb->xmit_more; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1156 | u16 wrb_cnt; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1157 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1158 | skb = be_xmit_workarounds(adapter, skb, &wrb_params); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1159 | if (unlikely(!skb)) |
| 1160 | goto drop; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1161 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1162 | be_get_wrb_params_from_skb(adapter, skb, &wrb_params); |
| 1163 | |
| 1164 | wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1165 | if (unlikely(!wrb_cnt)) { |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1166 | dev_kfree_skb_any(skb); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1167 | goto drop; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1168 | } |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1169 | |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 1170 | if (be_is_txq_full(txo)) { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1171 | netif_stop_subqueue(netdev, q_idx); |
| 1172 | tx_stats(txo)->tx_stops++; |
| 1173 | } |
| 1174 | |
| 1175 | if (flush || __netif_subqueue_stopped(netdev, q_idx)) |
| 1176 | be_xmit_flush(adapter, txo); |
| 1177 | |
| 1178 | return NETDEV_TX_OK; |
| 1179 | drop: |
| 1180 | tx_stats(txo)->tx_drv_drops++; |
| 1181 | /* Flush the already enqueued tx requests */ |
| 1182 | if (flush && txo->pend_wrb_cnt) |
| 1183 | be_xmit_flush(adapter, txo); |
| 1184 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1185 | return NETDEV_TX_OK; |
| 1186 | } |
| 1187 | |
| 1188 | static int be_change_mtu(struct net_device *netdev, int new_mtu) |
| 1189 | { |
| 1190 | struct be_adapter *adapter = netdev_priv(netdev); |
Kalesh AP | 0d3f5cc | 2014-09-02 09:56:53 +0530 | [diff] [blame] | 1191 | struct device *dev = &adapter->pdev->dev; |
| 1192 | |
| 1193 | if (new_mtu < BE_MIN_MTU || new_mtu > BE_MAX_MTU) { |
| 1194 | dev_info(dev, "MTU must be between %d and %d bytes\n", |
| 1195 | BE_MIN_MTU, BE_MAX_MTU); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1196 | return -EINVAL; |
| 1197 | } |
Kalesh AP | 0d3f5cc | 2014-09-02 09:56:53 +0530 | [diff] [blame] | 1198 | |
| 1199 | dev_info(dev, "MTU changed from %d to %d bytes\n", |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1200 | netdev->mtu, new_mtu); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1201 | netdev->mtu = new_mtu; |
| 1202 | return 0; |
| 1203 | } |
| 1204 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1205 | static inline bool be_in_all_promisc(struct be_adapter *adapter) |
| 1206 | { |
| 1207 | return (adapter->if_flags & BE_IF_FLAGS_ALL_PROMISCUOUS) == |
| 1208 | BE_IF_FLAGS_ALL_PROMISCUOUS; |
| 1209 | } |
| 1210 | |
| 1211 | static int be_set_vlan_promisc(struct be_adapter *adapter) |
| 1212 | { |
| 1213 | struct device *dev = &adapter->pdev->dev; |
| 1214 | int status; |
| 1215 | |
| 1216 | if (adapter->if_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) |
| 1217 | return 0; |
| 1218 | |
| 1219 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_VLAN_PROMISCUOUS, ON); |
| 1220 | if (!status) { |
| 1221 | dev_info(dev, "Enabled VLAN promiscuous mode\n"); |
| 1222 | adapter->if_flags |= BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 1223 | } else { |
| 1224 | dev_err(dev, "Failed to enable VLAN promiscuous mode\n"); |
| 1225 | } |
| 1226 | return status; |
| 1227 | } |
| 1228 | |
| 1229 | static int be_clear_vlan_promisc(struct be_adapter *adapter) |
| 1230 | { |
| 1231 | struct device *dev = &adapter->pdev->dev; |
| 1232 | int status; |
| 1233 | |
| 1234 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_VLAN_PROMISCUOUS, OFF); |
| 1235 | if (!status) { |
| 1236 | dev_info(dev, "Disabling VLAN promiscuous mode\n"); |
| 1237 | adapter->if_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 1238 | } |
| 1239 | return status; |
| 1240 | } |
| 1241 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1242 | /* |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1243 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
| 1244 | * If the user configures more, place BE in vlan promiscuous mode. |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1245 | */ |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1246 | static int be_vid_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1247 | { |
Vasundhara Volam | 5076266 | 2014-09-12 17:39:14 +0530 | [diff] [blame] | 1248 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1249 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1250 | u16 num = 0, i = 0; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1251 | int status = 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1252 | |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1253 | /* No need to further configure vids if in promiscuous mode */ |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1254 | if (be_in_all_promisc(adapter)) |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1255 | return 0; |
| 1256 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 1257 | if (adapter->vlans_added > be_max_vlans(adapter)) |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1258 | return be_set_vlan_promisc(adapter); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1259 | |
| 1260 | /* Construct VLAN Table to give to HW */ |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1261 | for_each_set_bit(i, adapter->vids, VLAN_N_VID) |
| 1262 | vids[num++] = cpu_to_le16(i); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1263 | |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1264 | status = be_cmd_vlan_config(adapter, adapter->if_handle, vids, num, 0); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1265 | if (status) { |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1266 | dev_err(dev, "Setting HW VLAN filtering failed\n"); |
Ajit Khaparde | d9d604f | 2013-09-27 15:17:58 -0500 | [diff] [blame] | 1267 | /* Set to VLAN promisc mode as setting VLAN filter failed */ |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 1268 | if (addl_status(status) == |
| 1269 | MCC_ADDL_STATUS_INSUFFICIENT_RESOURCES) |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1270 | return be_set_vlan_promisc(adapter); |
| 1271 | } else if (adapter->if_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) { |
| 1272 | status = be_clear_vlan_promisc(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1273 | } |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1274 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1275 | } |
| 1276 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1277 | 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] | 1278 | { |
| 1279 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1280 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1281 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1282 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1283 | if (lancer_chip(adapter) && vid == 0) |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1284 | return status; |
| 1285 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1286 | if (test_bit(vid, adapter->vids)) |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1287 | return status; |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1288 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1289 | set_bit(vid, adapter->vids); |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1290 | adapter->vlans_added++; |
Jiri Pirko | 8e58613 | 2011-12-08 19:52:37 -0500 | [diff] [blame] | 1291 | |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1292 | status = be_vid_config(adapter); |
| 1293 | if (status) { |
| 1294 | adapter->vlans_added--; |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1295 | clear_bit(vid, adapter->vids); |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1296 | } |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1297 | |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1298 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1299 | } |
| 1300 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1301 | 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] | 1302 | { |
| 1303 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1304 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1305 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1306 | if (lancer_chip(adapter) && vid == 0) |
Kalesh AP | 9d4dfe4 | 2014-06-30 13:01:33 +0530 | [diff] [blame] | 1307 | return 0; |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1308 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1309 | clear_bit(vid, adapter->vids); |
Kalesh AP | 9d4dfe4 | 2014-06-30 13:01:33 +0530 | [diff] [blame] | 1310 | adapter->vlans_added--; |
| 1311 | |
| 1312 | return be_vid_config(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1313 | } |
| 1314 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1315 | static void be_clear_all_promisc(struct be_adapter *adapter) |
Somnath kotur | 7ad0945 | 2014-03-03 14:24:43 +0530 | [diff] [blame] | 1316 | { |
Sathya Perla | ac34b74 | 2015-02-06 08:18:40 -0500 | [diff] [blame] | 1317 | be_cmd_rx_filter(adapter, BE_IF_FLAGS_ALL_PROMISCUOUS, OFF); |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1318 | adapter->if_flags &= ~BE_IF_FLAGS_ALL_PROMISCUOUS; |
| 1319 | } |
| 1320 | |
| 1321 | static void be_set_all_promisc(struct be_adapter *adapter) |
| 1322 | { |
| 1323 | be_cmd_rx_filter(adapter, BE_IF_FLAGS_ALL_PROMISCUOUS, ON); |
| 1324 | adapter->if_flags |= BE_IF_FLAGS_ALL_PROMISCUOUS; |
| 1325 | } |
| 1326 | |
| 1327 | static void be_set_mc_promisc(struct be_adapter *adapter) |
| 1328 | { |
| 1329 | int status; |
| 1330 | |
| 1331 | if (adapter->if_flags & BE_IF_FLAGS_MCAST_PROMISCUOUS) |
| 1332 | return; |
| 1333 | |
| 1334 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_MCAST_PROMISCUOUS, ON); |
| 1335 | if (!status) |
| 1336 | adapter->if_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS; |
| 1337 | } |
| 1338 | |
| 1339 | static void be_set_mc_list(struct be_adapter *adapter) |
| 1340 | { |
| 1341 | int status; |
| 1342 | |
| 1343 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_MULTICAST, ON); |
| 1344 | if (!status) |
| 1345 | adapter->if_flags &= ~BE_IF_FLAGS_MCAST_PROMISCUOUS; |
| 1346 | else |
| 1347 | be_set_mc_promisc(adapter); |
| 1348 | } |
| 1349 | |
| 1350 | static void be_set_uc_list(struct be_adapter *adapter) |
| 1351 | { |
| 1352 | struct netdev_hw_addr *ha; |
| 1353 | int i = 1; /* First slot is claimed by the Primary MAC */ |
| 1354 | |
| 1355 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) |
| 1356 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 1357 | adapter->pmac_id[i], 0); |
| 1358 | |
| 1359 | if (netdev_uc_count(adapter->netdev) > be_max_uc(adapter)) { |
| 1360 | be_set_all_promisc(adapter); |
| 1361 | return; |
| 1362 | } |
| 1363 | |
| 1364 | netdev_for_each_uc_addr(ha, adapter->netdev) { |
| 1365 | adapter->uc_macs++; /* First slot is for Primary MAC */ |
| 1366 | be_cmd_pmac_add(adapter, (u8 *)ha->addr, adapter->if_handle, |
| 1367 | &adapter->pmac_id[adapter->uc_macs], 0); |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | static void be_clear_uc_list(struct be_adapter *adapter) |
| 1372 | { |
| 1373 | int i; |
| 1374 | |
| 1375 | for (i = 1; i < (adapter->uc_macs + 1); i++) |
| 1376 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 1377 | adapter->pmac_id[i], 0); |
| 1378 | adapter->uc_macs = 0; |
Somnath kotur | 7ad0945 | 2014-03-03 14:24:43 +0530 | [diff] [blame] | 1379 | } |
| 1380 | |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 1381 | static void be_set_rx_mode(struct net_device *netdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1382 | { |
| 1383 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1384 | |
| 1385 | if (netdev->flags & IFF_PROMISC) { |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1386 | be_set_all_promisc(adapter); |
| 1387 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1388 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1389 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1390 | /* Interface was previously in promiscuous mode; disable it */ |
| 1391 | if (be_in_all_promisc(adapter)) { |
| 1392 | be_clear_all_promisc(adapter); |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1393 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1394 | be_vid_config(adapter); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1395 | } |
| 1396 | |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 1397 | /* Enable multicast promisc if num configured exceeds what we support */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1398 | if (netdev->flags & IFF_ALLMULTI || |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1399 | netdev_mc_count(netdev) > be_max_mc(adapter)) { |
| 1400 | be_set_mc_promisc(adapter); |
Kalesh AP | a079488 | 2014-05-30 19:06:23 +0530 | [diff] [blame] | 1401 | return; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1402 | } |
Kalesh AP | a079488 | 2014-05-30 19:06:23 +0530 | [diff] [blame] | 1403 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1404 | if (netdev_uc_count(netdev) != adapter->uc_macs) |
| 1405 | be_set_uc_list(adapter); |
| 1406 | |
| 1407 | be_set_mc_list(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1408 | } |
| 1409 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1410 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 1411 | { |
| 1412 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1413 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1414 | int status; |
| 1415 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1416 | if (!sriov_enabled(adapter)) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1417 | return -EPERM; |
| 1418 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1419 | if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1420 | return -EINVAL; |
| 1421 | |
Vasundhara Volam | 3c31aaf | 2014-08-01 17:47:31 +0530 | [diff] [blame] | 1422 | /* Proceed further only if user provided MAC is different |
| 1423 | * from active MAC |
| 1424 | */ |
| 1425 | if (ether_addr_equal(mac, vf_cfg->mac_addr)) |
| 1426 | return 0; |
| 1427 | |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 1428 | if (BEx_chip(adapter)) { |
| 1429 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, vf_cfg->pmac_id, |
| 1430 | vf + 1); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1431 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1432 | status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, |
| 1433 | &vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 1434 | } else { |
| 1435 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, |
| 1436 | vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1437 | } |
| 1438 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1439 | if (status) { |
| 1440 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed: %#x", |
| 1441 | mac, vf, status); |
| 1442 | return be_cmd_status(status); |
| 1443 | } |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1444 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1445 | ether_addr_copy(vf_cfg->mac_addr, mac); |
| 1446 | |
| 1447 | return 0; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1448 | } |
| 1449 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1450 | static int be_get_vf_config(struct net_device *netdev, int vf, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1451 | struct ifla_vf_info *vi) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1452 | { |
| 1453 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1454 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1455 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1456 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1457 | return -EPERM; |
| 1458 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1459 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1460 | return -EINVAL; |
| 1461 | |
| 1462 | vi->vf = vf; |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1463 | vi->max_tx_rate = vf_cfg->tx_rate; |
| 1464 | vi->min_tx_rate = 0; |
Ajit Khaparde | a60b3a1 | 2013-09-27 15:18:56 -0500 | [diff] [blame] | 1465 | vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK; |
| 1466 | vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1467 | memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1468 | vi->linkstate = adapter->vf_cfg[vf].plink_tracking; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1469 | |
| 1470 | return 0; |
| 1471 | } |
| 1472 | |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1473 | static int be_set_vf_tvt(struct be_adapter *adapter, int vf, u16 vlan) |
| 1474 | { |
| 1475 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
| 1476 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
| 1477 | int vf_if_id = vf_cfg->if_handle; |
| 1478 | int status; |
| 1479 | |
| 1480 | /* Enable Transparent VLAN Tagging */ |
| 1481 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, vf_if_id, 0); |
| 1482 | if (status) |
| 1483 | return status; |
| 1484 | |
| 1485 | /* Clear pre-programmed VLAN filters on VF if any, if TVT is enabled */ |
| 1486 | vids[0] = 0; |
| 1487 | status = be_cmd_vlan_config(adapter, vf_if_id, vids, 1, vf + 1); |
| 1488 | if (!status) |
| 1489 | dev_info(&adapter->pdev->dev, |
| 1490 | "Cleared guest VLANs on VF%d", vf); |
| 1491 | |
| 1492 | /* After TVT is enabled, disallow VFs to program VLAN filters */ |
| 1493 | if (vf_cfg->privileges & BE_PRIV_FILTMGMT) { |
| 1494 | status = be_cmd_set_fn_privileges(adapter, vf_cfg->privileges & |
| 1495 | ~BE_PRIV_FILTMGMT, vf + 1); |
| 1496 | if (!status) |
| 1497 | vf_cfg->privileges &= ~BE_PRIV_FILTMGMT; |
| 1498 | } |
| 1499 | return 0; |
| 1500 | } |
| 1501 | |
| 1502 | static int be_clear_vf_tvt(struct be_adapter *adapter, int vf) |
| 1503 | { |
| 1504 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
| 1505 | struct device *dev = &adapter->pdev->dev; |
| 1506 | int status; |
| 1507 | |
| 1508 | /* Reset Transparent VLAN Tagging. */ |
| 1509 | status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID, vf + 1, |
| 1510 | vf_cfg->if_handle, 0); |
| 1511 | if (status) |
| 1512 | return status; |
| 1513 | |
| 1514 | /* Allow VFs to program VLAN filtering */ |
| 1515 | if (!(vf_cfg->privileges & BE_PRIV_FILTMGMT)) { |
| 1516 | status = be_cmd_set_fn_privileges(adapter, vf_cfg->privileges | |
| 1517 | BE_PRIV_FILTMGMT, vf + 1); |
| 1518 | if (!status) { |
| 1519 | vf_cfg->privileges |= BE_PRIV_FILTMGMT; |
| 1520 | dev_info(dev, "VF%d: FILTMGMT priv enabled", vf); |
| 1521 | } |
| 1522 | } |
| 1523 | |
| 1524 | dev_info(dev, |
| 1525 | "Disable/re-enable i/f in VM to clear Transparent VLAN tag"); |
| 1526 | return 0; |
| 1527 | } |
| 1528 | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1529 | static int be_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1530 | { |
| 1531 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1532 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1533 | int status; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1534 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1535 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1536 | return -EPERM; |
| 1537 | |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1538 | if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1539 | return -EINVAL; |
| 1540 | |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1541 | if (vlan || qos) { |
| 1542 | vlan |= qos << VLAN_PRIO_SHIFT; |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1543 | status = be_set_vf_tvt(adapter, vf, vlan); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1544 | } else { |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1545 | status = be_clear_vf_tvt(adapter, vf); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1546 | } |
| 1547 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1548 | if (status) { |
| 1549 | dev_err(&adapter->pdev->dev, |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 1550 | "VLAN %d config on VF %d failed : %#x\n", vlan, vf, |
| 1551 | status); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1552 | return be_cmd_status(status); |
| 1553 | } |
| 1554 | |
| 1555 | vf_cfg->vlan_tag = vlan; |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1556 | return 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1557 | } |
| 1558 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1559 | static int be_set_vf_tx_rate(struct net_device *netdev, int vf, |
| 1560 | int min_tx_rate, int max_tx_rate) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1561 | { |
| 1562 | struct be_adapter *adapter = netdev_priv(netdev); |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1563 | struct device *dev = &adapter->pdev->dev; |
| 1564 | int percent_rate, status = 0; |
| 1565 | u16 link_speed = 0; |
| 1566 | u8 link_status; |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1567 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1568 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1569 | return -EPERM; |
| 1570 | |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1571 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1572 | return -EINVAL; |
| 1573 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1574 | if (min_tx_rate) |
| 1575 | return -EINVAL; |
| 1576 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1577 | if (!max_tx_rate) |
| 1578 | goto config_qos; |
| 1579 | |
| 1580 | status = be_cmd_link_status_query(adapter, &link_speed, |
| 1581 | &link_status, 0); |
| 1582 | if (status) |
| 1583 | goto err; |
| 1584 | |
| 1585 | if (!link_status) { |
| 1586 | 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] | 1587 | status = -ENETDOWN; |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1588 | goto err; |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1589 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1590 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1591 | if (max_tx_rate < 100 || max_tx_rate > link_speed) { |
| 1592 | dev_err(dev, "TX-rate must be between 100 and %d Mbps\n", |
| 1593 | link_speed); |
| 1594 | status = -EINVAL; |
| 1595 | goto err; |
| 1596 | } |
| 1597 | |
| 1598 | /* On Skyhawk the QOS setting must be done only as a % value */ |
| 1599 | percent_rate = link_speed / 100; |
| 1600 | if (skyhawk_chip(adapter) && (max_tx_rate % percent_rate)) { |
| 1601 | dev_err(dev, "TX-rate must be a multiple of %d Mbps\n", |
| 1602 | percent_rate); |
| 1603 | status = -EINVAL; |
| 1604 | goto err; |
| 1605 | } |
| 1606 | |
| 1607 | config_qos: |
| 1608 | 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] | 1609 | if (status) |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1610 | goto err; |
| 1611 | |
| 1612 | adapter->vf_cfg[vf].tx_rate = max_tx_rate; |
| 1613 | return 0; |
| 1614 | |
| 1615 | err: |
| 1616 | dev_err(dev, "TX-rate setting of %dMbps on VF%d failed\n", |
| 1617 | max_tx_rate, vf); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1618 | return be_cmd_status(status); |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1619 | } |
Kalesh AP | e2fb1af | 2014-09-19 15:46:58 +0530 | [diff] [blame] | 1620 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1621 | static int be_set_vf_link_state(struct net_device *netdev, int vf, |
| 1622 | int link_state) |
| 1623 | { |
| 1624 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1625 | int status; |
| 1626 | |
| 1627 | if (!sriov_enabled(adapter)) |
| 1628 | return -EPERM; |
| 1629 | |
| 1630 | if (vf >= adapter->num_vfs) |
| 1631 | return -EINVAL; |
| 1632 | |
| 1633 | status = be_cmd_set_logical_link_config(adapter, link_state, vf+1); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1634 | if (status) { |
| 1635 | dev_err(&adapter->pdev->dev, |
| 1636 | "Link state change on VF %d failed: %#x\n", vf, status); |
| 1637 | return be_cmd_status(status); |
| 1638 | } |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1639 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1640 | adapter->vf_cfg[vf].plink_tracking = link_state; |
| 1641 | |
| 1642 | return 0; |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1643 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1644 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1645 | static void be_aic_update(struct be_aic_obj *aic, u64 rx_pkts, u64 tx_pkts, |
| 1646 | ulong now) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1647 | { |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1648 | aic->rx_pkts_prev = rx_pkts; |
| 1649 | aic->tx_reqs_prev = tx_pkts; |
| 1650 | aic->jiffies = now; |
| 1651 | } |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1652 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1653 | static void be_eqd_update(struct be_adapter *adapter) |
| 1654 | { |
| 1655 | struct be_set_eqd set_eqd[MAX_EVT_QS]; |
| 1656 | int eqd, i, num = 0, start; |
| 1657 | struct be_aic_obj *aic; |
| 1658 | struct be_eq_obj *eqo; |
| 1659 | struct be_rx_obj *rxo; |
| 1660 | struct be_tx_obj *txo; |
| 1661 | u64 rx_pkts, tx_pkts; |
| 1662 | ulong now; |
| 1663 | u32 pps, delta; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1664 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1665 | for_all_evt_queues(adapter, eqo, i) { |
| 1666 | aic = &adapter->aic_obj[eqo->idx]; |
| 1667 | if (!aic->enable) { |
| 1668 | if (aic->jiffies) |
| 1669 | aic->jiffies = 0; |
| 1670 | eqd = aic->et_eqd; |
| 1671 | goto modify_eqd; |
| 1672 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1673 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1674 | rxo = &adapter->rx_obj[eqo->idx]; |
| 1675 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1676 | start = u64_stats_fetch_begin_irq(&rxo->stats.sync); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1677 | rx_pkts = rxo->stats.rx_pkts; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1678 | } while (u64_stats_fetch_retry_irq(&rxo->stats.sync, start)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1679 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1680 | txo = &adapter->tx_obj[eqo->idx]; |
| 1681 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1682 | start = u64_stats_fetch_begin_irq(&txo->stats.sync); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1683 | tx_pkts = txo->stats.tx_reqs; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1684 | } while (u64_stats_fetch_retry_irq(&txo->stats.sync, start)); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1685 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1686 | /* Skip, if wrapped around or first calculation */ |
| 1687 | now = jiffies; |
| 1688 | if (!aic->jiffies || time_before(now, aic->jiffies) || |
| 1689 | rx_pkts < aic->rx_pkts_prev || |
| 1690 | tx_pkts < aic->tx_reqs_prev) { |
| 1691 | be_aic_update(aic, rx_pkts, tx_pkts, now); |
| 1692 | continue; |
| 1693 | } |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1694 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1695 | delta = jiffies_to_msecs(now - aic->jiffies); |
| 1696 | pps = (((u32)(rx_pkts - aic->rx_pkts_prev) * 1000) / delta) + |
| 1697 | (((u32)(tx_pkts - aic->tx_reqs_prev) * 1000) / delta); |
| 1698 | eqd = (pps / 15000) << 2; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1699 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1700 | if (eqd < 8) |
| 1701 | eqd = 0; |
| 1702 | eqd = min_t(u32, eqd, aic->max_eqd); |
| 1703 | eqd = max_t(u32, eqd, aic->min_eqd); |
| 1704 | |
| 1705 | be_aic_update(aic, rx_pkts, tx_pkts, now); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1706 | modify_eqd: |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1707 | if (eqd != aic->prev_eqd) { |
| 1708 | set_eqd[num].delay_multiplier = (eqd * 65)/100; |
| 1709 | set_eqd[num].eq_id = eqo->q.id; |
| 1710 | aic->prev_eqd = eqd; |
| 1711 | num++; |
| 1712 | } |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1713 | } |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1714 | |
| 1715 | if (num) |
| 1716 | be_cmd_modify_eqd(adapter, set_eqd, num); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1717 | } |
| 1718 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1719 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1720 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1721 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1722 | struct be_rx_stats *stats = rx_stats(rxo); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1723 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1724 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1725 | stats->rx_compl++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1726 | stats->rx_bytes += rxcp->pkt_size; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1727 | stats->rx_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1728 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1729 | stats->rx_mcast_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1730 | if (rxcp->err) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1731 | stats->rx_compl_err++; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1732 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1733 | } |
| 1734 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1735 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1736 | { |
Padmanabh Ratnakar | 19fad86 | 2011-03-07 03:08:16 +0000 | [diff] [blame] | 1737 | /* L4 checksum is not reliable for non TCP/UDP packets. |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1738 | * Also ignore ipcksm for ipv6 pkts |
| 1739 | */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1740 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1741 | (rxcp->ip_csum || rxcp->ipv6) && !rxcp->err; |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1742 | } |
| 1743 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1744 | 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] | 1745 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1746 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1747 | struct be_rx_page_info *rx_page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1748 | struct be_queue_info *rxq = &rxo->q; |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1749 | u16 frag_idx = rxq->tail; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1750 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1751 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1752 | BUG_ON(!rx_page_info->page); |
| 1753 | |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1754 | if (rx_page_info->last_frag) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1755 | dma_unmap_page(&adapter->pdev->dev, |
| 1756 | dma_unmap_addr(rx_page_info, bus), |
| 1757 | adapter->big_page_size, DMA_FROM_DEVICE); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1758 | rx_page_info->last_frag = false; |
| 1759 | } else { |
| 1760 | dma_sync_single_for_cpu(&adapter->pdev->dev, |
| 1761 | dma_unmap_addr(rx_page_info, bus), |
| 1762 | rx_frag_size, DMA_FROM_DEVICE); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1763 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1764 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1765 | queue_tail_inc(rxq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1766 | atomic_dec(&rxq->used); |
| 1767 | return rx_page_info; |
| 1768 | } |
| 1769 | |
| 1770 | /* Throwaway the data in the Rx completion */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1771 | static void be_rx_compl_discard(struct be_rx_obj *rxo, |
| 1772 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1773 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1774 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1775 | u16 i, num_rcvd = rxcp->num_rcvd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1776 | |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1777 | for (i = 0; i < num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1778 | page_info = get_rx_page_info(rxo); |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1779 | put_page(page_info->page); |
| 1780 | memset(page_info, 0, sizeof(*page_info)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1781 | } |
| 1782 | } |
| 1783 | |
| 1784 | /* |
| 1785 | * skb_fill_rx_data forms a complete skb for an ether frame |
| 1786 | * indicated by rxcp. |
| 1787 | */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1788 | static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, |
| 1789 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1790 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1791 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1792 | u16 i, j; |
| 1793 | u16 hdr_len, curr_frag_len, remaining; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1794 | u8 *start; |
| 1795 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1796 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1797 | start = page_address(page_info->page) + page_info->page_offset; |
| 1798 | prefetch(start); |
| 1799 | |
| 1800 | /* Copy data in the first descriptor of this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1801 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1802 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1803 | skb->len = curr_frag_len; |
| 1804 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1805 | memcpy(skb->data, start, curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1806 | /* Complete packet has now been moved to data */ |
| 1807 | put_page(page_info->page); |
| 1808 | skb->data_len = 0; |
| 1809 | skb->tail += curr_frag_len; |
| 1810 | } else { |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1811 | hdr_len = ETH_HLEN; |
| 1812 | memcpy(skb->data, start, hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1813 | skb_shinfo(skb)->nr_frags = 1; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1814 | skb_frag_set_page(skb, 0, page_info->page); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1815 | skb_shinfo(skb)->frags[0].page_offset = |
| 1816 | page_info->page_offset + hdr_len; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1817 | skb_frag_size_set(&skb_shinfo(skb)->frags[0], |
| 1818 | curr_frag_len - hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1819 | skb->data_len = curr_frag_len - hdr_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1820 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1821 | skb->tail += hdr_len; |
| 1822 | } |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1823 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1824 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1825 | if (rxcp->pkt_size <= rx_frag_size) { |
| 1826 | BUG_ON(rxcp->num_rcvd != 1); |
| 1827 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1828 | } |
| 1829 | |
| 1830 | /* More frags present for this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1831 | remaining = rxcp->pkt_size - curr_frag_len; |
| 1832 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1833 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1834 | curr_frag_len = min(remaining, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1835 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1836 | /* Coalesce all frags from the same physical page in one slot */ |
| 1837 | if (page_info->page_offset == 0) { |
| 1838 | /* Fresh page */ |
| 1839 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1840 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1841 | skb_shinfo(skb)->frags[j].page_offset = |
| 1842 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1843 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1844 | skb_shinfo(skb)->nr_frags++; |
| 1845 | } else { |
| 1846 | put_page(page_info->page); |
| 1847 | } |
| 1848 | |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1849 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1850 | skb->len += curr_frag_len; |
| 1851 | skb->data_len += curr_frag_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1852 | skb->truesize += rx_frag_size; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1853 | remaining -= curr_frag_len; |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1854 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1855 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1856 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1857 | } |
| 1858 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1859 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1860 | 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] | 1861 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1862 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1863 | struct be_adapter *adapter = rxo->adapter; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1864 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1865 | struct sk_buff *skb; |
Sathya Perla | 8942042 | 2010-02-17 01:35:26 +0000 | [diff] [blame] | 1866 | |
Eric Dumazet | bb349bb | 2012-01-25 03:56:30 +0000 | [diff] [blame] | 1867 | skb = netdev_alloc_skb_ip_align(netdev, BE_RX_SKB_ALLOC_SIZE); |
Sathya Perla | a058a63 | 2010-02-17 01:34:22 +0000 | [diff] [blame] | 1868 | if (unlikely(!skb)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1869 | rx_stats(rxo)->rx_drops_no_skbs++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1870 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1871 | return; |
| 1872 | } |
| 1873 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1874 | skb_fill_rx_data(rxo, skb, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1875 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1876 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1877 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | c6ce2f4 | 2010-10-25 01:11:58 +0000 | [diff] [blame] | 1878 | else |
| 1879 | skb_checksum_none_assert(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1880 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1881 | skb->protocol = eth_type_trans(skb, netdev); |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1882 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1883 | if (netdev->features & NETIF_F_RXHASH) |
Tom Herbert | d2464c8 | 2013-12-17 23:23:51 -0800 | [diff] [blame] | 1884 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1885 | |
Tom Herbert | b6c0e89 | 2014-08-27 21:27:17 -0700 | [diff] [blame] | 1886 | skb->csum_level = rxcp->tunneled; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1887 | skb_mark_napi_id(skb, napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1888 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1889 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1890 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1891 | |
| 1892 | netif_receive_skb(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1893 | } |
| 1894 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1895 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 1896 | static void be_rx_compl_process_gro(struct be_rx_obj *rxo, |
| 1897 | struct napi_struct *napi, |
| 1898 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1899 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1900 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1901 | struct be_rx_page_info *page_info; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1902 | struct sk_buff *skb = NULL; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1903 | u16 remaining, curr_frag_len; |
| 1904 | u16 i, j; |
Ajit Khaparde | 3968fa1 | 2011-02-20 11:41:53 +0000 | [diff] [blame] | 1905 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1906 | skb = napi_get_frags(napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1907 | if (!skb) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1908 | be_rx_compl_discard(rxo, rxcp); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1909 | return; |
| 1910 | } |
| 1911 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1912 | remaining = rxcp->pkt_size; |
| 1913 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1914 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1915 | |
| 1916 | curr_frag_len = min(remaining, rx_frag_size); |
| 1917 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1918 | /* Coalesce all frags from the same physical page in one slot */ |
| 1919 | if (i == 0 || page_info->page_offset == 0) { |
| 1920 | /* First frag or Fresh page */ |
| 1921 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1922 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1923 | skb_shinfo(skb)->frags[j].page_offset = |
| 1924 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1925 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1926 | } else { |
| 1927 | put_page(page_info->page); |
| 1928 | } |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1929 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1930 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1931 | remaining -= curr_frag_len; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1932 | memset(page_info, 0, sizeof(*page_info)); |
| 1933 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1934 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1935 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1936 | skb_shinfo(skb)->nr_frags = j + 1; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1937 | skb->len = rxcp->pkt_size; |
| 1938 | skb->data_len = rxcp->pkt_size; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1939 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1940 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1941 | if (adapter->netdev->features & NETIF_F_RXHASH) |
Tom Herbert | d2464c8 | 2013-12-17 23:23:51 -0800 | [diff] [blame] | 1942 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1943 | |
Tom Herbert | b6c0e89 | 2014-08-27 21:27:17 -0700 | [diff] [blame] | 1944 | skb->csum_level = rxcp->tunneled; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1945 | skb_mark_napi_id(skb, napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1946 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1947 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1948 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1949 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1950 | napi_gro_frags(napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1951 | } |
| 1952 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1953 | static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, |
| 1954 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1955 | { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1956 | rxcp->pkt_size = GET_RX_COMPL_V1_BITS(pktsize, compl); |
| 1957 | rxcp->vlanf = GET_RX_COMPL_V1_BITS(vtp, compl); |
| 1958 | rxcp->err = GET_RX_COMPL_V1_BITS(err, compl); |
| 1959 | rxcp->tcpf = GET_RX_COMPL_V1_BITS(tcpf, compl); |
| 1960 | rxcp->udpf = GET_RX_COMPL_V1_BITS(udpf, compl); |
| 1961 | rxcp->ip_csum = GET_RX_COMPL_V1_BITS(ipcksm, compl); |
| 1962 | rxcp->l4_csum = GET_RX_COMPL_V1_BITS(l4_cksm, compl); |
| 1963 | rxcp->ipv6 = GET_RX_COMPL_V1_BITS(ip_version, compl); |
| 1964 | rxcp->num_rcvd = GET_RX_COMPL_V1_BITS(numfrags, compl); |
| 1965 | rxcp->pkt_type = GET_RX_COMPL_V1_BITS(cast_enc, compl); |
| 1966 | rxcp->rss_hash = GET_RX_COMPL_V1_BITS(rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1967 | if (rxcp->vlanf) { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1968 | rxcp->qnq = GET_RX_COMPL_V1_BITS(qnq, compl); |
| 1969 | rxcp->vlan_tag = GET_RX_COMPL_V1_BITS(vlan_tag, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1970 | } |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1971 | rxcp->port = GET_RX_COMPL_V1_BITS(port, compl); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1972 | rxcp->tunneled = |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1973 | GET_RX_COMPL_V1_BITS(tunneled, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1974 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1975 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1976 | static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, |
| 1977 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1978 | { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1979 | rxcp->pkt_size = GET_RX_COMPL_V0_BITS(pktsize, compl); |
| 1980 | rxcp->vlanf = GET_RX_COMPL_V0_BITS(vtp, compl); |
| 1981 | rxcp->err = GET_RX_COMPL_V0_BITS(err, compl); |
| 1982 | rxcp->tcpf = GET_RX_COMPL_V0_BITS(tcpf, compl); |
| 1983 | rxcp->udpf = GET_RX_COMPL_V0_BITS(udpf, compl); |
| 1984 | rxcp->ip_csum = GET_RX_COMPL_V0_BITS(ipcksm, compl); |
| 1985 | rxcp->l4_csum = GET_RX_COMPL_V0_BITS(l4_cksm, compl); |
| 1986 | rxcp->ipv6 = GET_RX_COMPL_V0_BITS(ip_version, compl); |
| 1987 | rxcp->num_rcvd = GET_RX_COMPL_V0_BITS(numfrags, compl); |
| 1988 | rxcp->pkt_type = GET_RX_COMPL_V0_BITS(cast_enc, compl); |
| 1989 | rxcp->rss_hash = GET_RX_COMPL_V0_BITS(rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1990 | if (rxcp->vlanf) { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1991 | rxcp->qnq = GET_RX_COMPL_V0_BITS(qnq, compl); |
| 1992 | rxcp->vlan_tag = GET_RX_COMPL_V0_BITS(vlan_tag, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1993 | } |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1994 | rxcp->port = GET_RX_COMPL_V0_BITS(port, compl); |
| 1995 | rxcp->ip_frag = GET_RX_COMPL_V0_BITS(ip_frag, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1996 | } |
| 1997 | |
| 1998 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) |
| 1999 | { |
| 2000 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); |
| 2001 | struct be_rx_compl_info *rxcp = &rxo->rxcp; |
| 2002 | struct be_adapter *adapter = rxo->adapter; |
| 2003 | |
| 2004 | /* For checking the valid bit it is Ok to use either definition as the |
| 2005 | * valid bit is at the same position in both v0 and v1 Rx compl */ |
| 2006 | 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] | 2007 | return NULL; |
| 2008 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 2009 | rmb(); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2010 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
| 2011 | |
| 2012 | if (adapter->be3_native) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2013 | be_parse_rx_compl_v1(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2014 | else |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2015 | be_parse_rx_compl_v0(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2016 | |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 2017 | if (rxcp->ip_frag) |
| 2018 | rxcp->l4_csum = 0; |
| 2019 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2020 | if (rxcp->vlanf) { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 2021 | /* In QNQ modes, if qnq bit is not set, then the packet was |
| 2022 | * tagged only with the transparent outer vlan-tag and must |
| 2023 | * not be treated as a vlan packet by host |
| 2024 | */ |
| 2025 | if (be_is_qnq_mode(adapter) && !rxcp->qnq) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2026 | rxcp->vlanf = 0; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2027 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2028 | if (!lancer_chip(adapter)) |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 2029 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2030 | |
Somnath Kotur | 939cf30 | 2011-08-18 21:51:49 -0700 | [diff] [blame] | 2031 | if (adapter->pvid == (rxcp->vlan_tag & VLAN_VID_MASK) && |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 2032 | !test_bit(rxcp->vlan_tag, adapter->vids)) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 2033 | rxcp->vlanf = 0; |
| 2034 | } |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2035 | |
| 2036 | /* As the compl has been parsed, reset it; we wont touch it again */ |
| 2037 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2038 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2039 | queue_tail_inc(&rxo->cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2040 | return rxcp; |
| 2041 | } |
| 2042 | |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2043 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2044 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2045 | u32 order = get_order(size); |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2046 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2047 | if (order > 0) |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2048 | gfp |= __GFP_COMP; |
| 2049 | return alloc_pages(gfp, order); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2050 | } |
| 2051 | |
| 2052 | /* |
| 2053 | * Allocate a page, split it to fragments of size rx_frag_size and post as |
| 2054 | * receive buffers to BE |
| 2055 | */ |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2056 | 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] | 2057 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2058 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 2059 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2060 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2061 | struct page *pagep = NULL; |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2062 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2063 | struct be_eth_rx_d *rxd; |
| 2064 | u64 page_dmaaddr = 0, frag_dmaaddr; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2065 | u32 posted, page_offset = 0, notify = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2066 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2067 | page_info = &rxo->page_info_tbl[rxq->head]; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2068 | for (posted = 0; posted < frags_needed && !page_info->page; posted++) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2069 | if (!pagep) { |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2070 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2071 | if (unlikely(!pagep)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 2072 | rx_stats(rxo)->rx_post_fail++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2073 | break; |
| 2074 | } |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2075 | page_dmaaddr = dma_map_page(dev, pagep, 0, |
| 2076 | adapter->big_page_size, |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2077 | DMA_FROM_DEVICE); |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2078 | if (dma_mapping_error(dev, page_dmaaddr)) { |
| 2079 | put_page(pagep); |
| 2080 | pagep = NULL; |
Vasundhara Volam | d3de154 | 2014-09-02 09:56:50 +0530 | [diff] [blame] | 2081 | adapter->drv_stats.dma_map_errors++; |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2082 | break; |
| 2083 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2084 | page_offset = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2085 | } else { |
| 2086 | get_page(pagep); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2087 | page_offset += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2088 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2089 | page_info->page_offset = page_offset; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2090 | page_info->page = pagep; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2091 | |
| 2092 | rxd = queue_head_node(rxq); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2093 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2094 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); |
| 2095 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2096 | |
| 2097 | /* Any space left in the current big page for another frag? */ |
| 2098 | if ((page_offset + rx_frag_size + rx_frag_size) > |
| 2099 | adapter->big_page_size) { |
| 2100 | pagep = NULL; |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2101 | page_info->last_frag = true; |
| 2102 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
| 2103 | } else { |
| 2104 | dma_unmap_addr_set(page_info, bus, frag_dmaaddr); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2105 | } |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 2106 | |
| 2107 | prev_page_info = page_info; |
| 2108 | queue_head_inc(rxq); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2109 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2110 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2111 | |
| 2112 | /* Mark the last frag of a page when we break out of the above loop |
| 2113 | * with no more slots available in the RXQ |
| 2114 | */ |
| 2115 | if (pagep) { |
| 2116 | prev_page_info->last_frag = true; |
| 2117 | dma_unmap_addr_set(prev_page_info, bus, page_dmaaddr); |
| 2118 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2119 | |
| 2120 | if (posted) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2121 | atomic_add(posted, &rxq->used); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2122 | if (rxo->rx_post_starved) |
| 2123 | rxo->rx_post_starved = false; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2124 | do { |
Ajit Khaparde | 69304cc | 2015-04-08 16:59:48 -0500 | [diff] [blame] | 2125 | notify = min(MAX_NUM_POST_ERX_DB, posted); |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2126 | be_rxq_notify(adapter, rxq->id, notify); |
| 2127 | posted -= notify; |
| 2128 | } while (posted); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 2129 | } else if (atomic_read(&rxq->used) == 0) { |
| 2130 | /* Let be_worker replenish when memory is available */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2131 | rxo->rx_post_starved = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2132 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2133 | } |
| 2134 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2135 | 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] | 2136 | { |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2137 | struct be_queue_info *tx_cq = &txo->cq; |
| 2138 | struct be_tx_compl_info *txcp = &txo->txcp; |
| 2139 | struct be_eth_tx_compl *compl = queue_tail_node(tx_cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2140 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2141 | if (compl->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2142 | return NULL; |
| 2143 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2144 | /* Ensure load ordering of valid bit dword and other dwords below */ |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 2145 | rmb(); |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2146 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2147 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2148 | txcp->status = GET_TX_COMPL_BITS(status, compl); |
| 2149 | txcp->end_index = GET_TX_COMPL_BITS(wrb_index, compl); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2150 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2151 | compl->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2152 | queue_tail_inc(tx_cq); |
| 2153 | return txcp; |
| 2154 | } |
| 2155 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2156 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2157 | struct be_tx_obj *txo, u16 last_index) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2158 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2159 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2160 | struct be_queue_info *txq = &txo->q; |
| 2161 | u16 frag_index, num_wrbs = 0; |
| 2162 | struct sk_buff *skb = NULL; |
| 2163 | bool unmap_skb_hdr = false; |
| 2164 | struct be_eth_wrb *wrb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2165 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 2166 | do { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2167 | if (sent_skbs[txq->tail]) { |
| 2168 | /* Free skb from prev req */ |
| 2169 | if (skb) |
| 2170 | dev_consume_skb_any(skb); |
| 2171 | skb = sent_skbs[txq->tail]; |
| 2172 | sent_skbs[txq->tail] = NULL; |
| 2173 | queue_tail_inc(txq); /* skip hdr wrb */ |
| 2174 | num_wrbs++; |
| 2175 | unmap_skb_hdr = true; |
| 2176 | } |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 2177 | wrb = queue_tail_node(txq); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2178 | frag_index = txq->tail; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2179 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2180 | (unmap_skb_hdr && skb_headlen(skb))); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 2181 | unmap_skb_hdr = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2182 | queue_tail_inc(txq); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2183 | num_wrbs++; |
| 2184 | } while (frag_index != last_index); |
| 2185 | dev_consume_skb_any(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2186 | |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 2187 | return num_wrbs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2188 | } |
| 2189 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2190 | /* Return the number of events in the event queue */ |
| 2191 | static inline int events_get(struct be_eq_obj *eqo) |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2192 | { |
| 2193 | struct be_eq_entry *eqe; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2194 | int num = 0; |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2195 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2196 | do { |
| 2197 | eqe = queue_tail_node(&eqo->q); |
| 2198 | if (eqe->evt == 0) |
| 2199 | break; |
| 2200 | |
| 2201 | rmb(); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2202 | eqe->evt = 0; |
| 2203 | num++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2204 | queue_tail_inc(&eqo->q); |
| 2205 | } while (true); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2206 | |
| 2207 | return num; |
| 2208 | } |
| 2209 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2210 | /* Leaves the EQ is disarmed state */ |
| 2211 | static void be_eq_clean(struct be_eq_obj *eqo) |
| 2212 | { |
| 2213 | int num = events_get(eqo); |
| 2214 | |
| 2215 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, num); |
| 2216 | } |
| 2217 | |
| 2218 | static void be_rx_cq_clean(struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2219 | { |
| 2220 | struct be_rx_page_info *page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2221 | struct be_queue_info *rxq = &rxo->q; |
| 2222 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2223 | struct be_rx_compl_info *rxcp; |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2224 | struct be_adapter *adapter = rxo->adapter; |
| 2225 | int flush_wait = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2226 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2227 | /* Consume pending rx completions. |
| 2228 | * Wait for the flush completion (identified by zero num_rcvd) |
| 2229 | * to arrive. Notify CQ even when there are no more CQ entries |
| 2230 | * for HW to flush partially coalesced CQ entries. |
| 2231 | * In Lancer, there is no need to wait for flush compl. |
| 2232 | */ |
| 2233 | for (;;) { |
| 2234 | rxcp = be_rx_compl_get(rxo); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 2235 | if (!rxcp) { |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2236 | if (lancer_chip(adapter)) |
| 2237 | break; |
| 2238 | |
| 2239 | if (flush_wait++ > 10 || be_hw_error(adapter)) { |
| 2240 | dev_warn(&adapter->pdev->dev, |
| 2241 | "did not receive flush compl\n"); |
| 2242 | break; |
| 2243 | } |
| 2244 | be_cq_notify(adapter, rx_cq->id, true, 0); |
| 2245 | mdelay(1); |
| 2246 | } else { |
| 2247 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 3f5dffe | 2013-05-08 02:05:49 +0000 | [diff] [blame] | 2248 | be_cq_notify(adapter, rx_cq->id, false, 1); |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2249 | if (rxcp->num_rcvd == 0) |
| 2250 | break; |
| 2251 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2252 | } |
| 2253 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2254 | /* After cleanup, leave the CQ in unarmed state */ |
| 2255 | be_cq_notify(adapter, rx_cq->id, false, 0); |
| 2256 | |
| 2257 | /* Then free posted rx buffers that were not used */ |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2258 | while (atomic_read(&rxq->used) > 0) { |
| 2259 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2260 | put_page(page_info->page); |
| 2261 | memset(page_info, 0, sizeof(*page_info)); |
| 2262 | } |
| 2263 | BUG_ON(atomic_read(&rxq->used)); |
Kalesh AP | 5f820b6 | 2014-09-19 15:47:01 +0530 | [diff] [blame] | 2264 | rxq->tail = 0; |
| 2265 | rxq->head = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2266 | } |
| 2267 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2268 | static void be_tx_compl_clean(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2269 | { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2270 | u16 end_idx, notified_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
| 2271 | struct device *dev = &adapter->pdev->dev; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2272 | struct be_tx_compl_info *txcp; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2273 | struct be_queue_info *txq; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2274 | struct be_tx_obj *txo; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2275 | int i, pending_txqs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2276 | |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2277 | /* Stop polling for compls when HW has been silent for 10ms */ |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2278 | do { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2279 | pending_txqs = adapter->num_tx_qs; |
| 2280 | |
| 2281 | for_all_tx_queues(adapter, txo, i) { |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2282 | cmpl = 0; |
| 2283 | num_wrbs = 0; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2284 | txq = &txo->q; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2285 | while ((txcp = be_tx_compl_get(txo))) { |
| 2286 | num_wrbs += |
| 2287 | be_tx_compl_process(adapter, txo, |
| 2288 | txcp->end_index); |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2289 | cmpl++; |
| 2290 | } |
| 2291 | if (cmpl) { |
| 2292 | be_cq_notify(adapter, txo->cq.id, false, cmpl); |
| 2293 | atomic_sub(num_wrbs, &txq->used); |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2294 | timeo = 0; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2295 | } |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 2296 | if (!be_is_tx_compl_pending(txo)) |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2297 | pending_txqs--; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2298 | } |
| 2299 | |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2300 | if (pending_txqs == 0 || ++timeo > 10 || be_hw_error(adapter)) |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2301 | break; |
| 2302 | |
| 2303 | mdelay(1); |
| 2304 | } while (true); |
| 2305 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2306 | /* Free enqueued TX that was never notified to HW */ |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2307 | for_all_tx_queues(adapter, txo, i) { |
| 2308 | txq = &txo->q; |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2309 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2310 | if (atomic_read(&txq->used)) { |
| 2311 | dev_info(dev, "txq%d: cleaning %d pending tx-wrbs\n", |
| 2312 | i, atomic_read(&txq->used)); |
| 2313 | notified_idx = txq->tail; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2314 | end_idx = txq->tail; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2315 | index_adv(&end_idx, atomic_read(&txq->used) - 1, |
| 2316 | txq->len); |
| 2317 | /* Use the tx-compl process logic to handle requests |
| 2318 | * that were not sent to the HW. |
| 2319 | */ |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2320 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); |
| 2321 | atomic_sub(num_wrbs, &txq->used); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2322 | BUG_ON(atomic_read(&txq->used)); |
| 2323 | txo->pend_wrb_cnt = 0; |
| 2324 | /* Since hw was never notified of these requests, |
| 2325 | * reset TXQ indices |
| 2326 | */ |
| 2327 | txq->head = notified_idx; |
| 2328 | txq->tail = notified_idx; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2329 | } |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2330 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2331 | } |
| 2332 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2333 | static void be_evt_queues_destroy(struct be_adapter *adapter) |
| 2334 | { |
| 2335 | struct be_eq_obj *eqo; |
| 2336 | int i; |
| 2337 | |
| 2338 | for_all_evt_queues(adapter, eqo, i) { |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 2339 | if (eqo->q.created) { |
| 2340 | be_eq_clean(eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2341 | be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2342 | napi_hash_del(&eqo->napi); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2343 | netif_napi_del(&eqo->napi); |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 2344 | } |
Padmanabh Ratnakar | d658d98 | 2015-03-26 03:05:08 -0400 | [diff] [blame] | 2345 | free_cpumask_var(eqo->affinity_mask); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2346 | be_queue_free(adapter, &eqo->q); |
| 2347 | } |
| 2348 | } |
| 2349 | |
| 2350 | static int be_evt_queues_create(struct be_adapter *adapter) |
| 2351 | { |
| 2352 | struct be_queue_info *eq; |
| 2353 | struct be_eq_obj *eqo; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2354 | struct be_aic_obj *aic; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2355 | int i, rc; |
| 2356 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2357 | adapter->num_evt_qs = min_t(u16, num_irqs(adapter), |
| 2358 | adapter->cfg_num_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2359 | |
| 2360 | for_all_evt_queues(adapter, eqo, i) { |
Padmanabh Ratnakar | d658d98 | 2015-03-26 03:05:08 -0400 | [diff] [blame] | 2361 | if (!zalloc_cpumask_var(&eqo->affinity_mask, GFP_KERNEL)) |
| 2362 | return -ENOMEM; |
| 2363 | cpumask_set_cpu_local_first(i, dev_to_node(&adapter->pdev->dev), |
| 2364 | eqo->affinity_mask); |
| 2365 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2366 | netif_napi_add(adapter->netdev, &eqo->napi, be_poll, |
| 2367 | BE_NAPI_WEIGHT); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2368 | napi_hash_add(&eqo->napi); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2369 | aic = &adapter->aic_obj[i]; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2370 | eqo->adapter = adapter; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2371 | eqo->idx = i; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2372 | aic->max_eqd = BE_MAX_EQD; |
| 2373 | aic->enable = true; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2374 | |
| 2375 | eq = &eqo->q; |
| 2376 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2377 | sizeof(struct be_eq_entry)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2378 | if (rc) |
| 2379 | return rc; |
| 2380 | |
Sathya Perla | f2f781a | 2013-08-27 16:57:30 +0530 | [diff] [blame] | 2381 | rc = be_cmd_eq_create(adapter, eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2382 | if (rc) |
| 2383 | return rc; |
| 2384 | } |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 2385 | return 0; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2386 | } |
| 2387 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2388 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
| 2389 | { |
| 2390 | struct be_queue_info *q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2391 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2392 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2393 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2394 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2395 | be_queue_free(adapter, q); |
| 2396 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2397 | q = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2398 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2399 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2400 | be_queue_free(adapter, q); |
| 2401 | } |
| 2402 | |
| 2403 | /* Must be called only after TX qs are created as MCC shares TX EQ */ |
| 2404 | static int be_mcc_queues_create(struct be_adapter *adapter) |
| 2405 | { |
| 2406 | struct be_queue_info *q, *cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2407 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2408 | cq = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2409 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2410 | sizeof(struct be_mcc_compl))) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2411 | goto err; |
| 2412 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2413 | /* Use the default EQ for MCC completions */ |
| 2414 | 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] | 2415 | goto mcc_cq_free; |
| 2416 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2417 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2418 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
| 2419 | goto mcc_cq_destroy; |
| 2420 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2421 | if (be_cmd_mccq_create(adapter, q, cq)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2422 | goto mcc_q_free; |
| 2423 | |
| 2424 | return 0; |
| 2425 | |
| 2426 | mcc_q_free: |
| 2427 | be_queue_free(adapter, q); |
| 2428 | mcc_cq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2429 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2430 | mcc_cq_free: |
| 2431 | be_queue_free(adapter, cq); |
| 2432 | err: |
| 2433 | return -1; |
| 2434 | } |
| 2435 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2436 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
| 2437 | { |
| 2438 | struct be_queue_info *q; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2439 | struct be_tx_obj *txo; |
| 2440 | u8 i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2441 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2442 | for_all_tx_queues(adapter, txo, i) { |
| 2443 | q = &txo->q; |
| 2444 | if (q->created) |
| 2445 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
| 2446 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2447 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2448 | q = &txo->cq; |
| 2449 | if (q->created) |
| 2450 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2451 | be_queue_free(adapter, q); |
| 2452 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2453 | } |
| 2454 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 2455 | static int be_tx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2456 | { |
Sathya Perla | 73f394e | 2015-03-26 03:05:09 -0400 | [diff] [blame] | 2457 | struct be_queue_info *cq; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2458 | struct be_tx_obj *txo; |
Sathya Perla | 73f394e | 2015-03-26 03:05:09 -0400 | [diff] [blame] | 2459 | struct be_eq_obj *eqo; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2460 | int status, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2461 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2462 | adapter->num_tx_qs = min(adapter->num_evt_qs, be_max_txqs(adapter)); |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 2463 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2464 | for_all_tx_queues(adapter, txo, i) { |
| 2465 | cq = &txo->cq; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2466 | status = be_queue_alloc(adapter, cq, TX_CQ_LEN, |
| 2467 | sizeof(struct be_eth_tx_compl)); |
| 2468 | if (status) |
| 2469 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2470 | |
John Stultz | 827da44 | 2013-10-07 15:51:58 -0700 | [diff] [blame] | 2471 | u64_stats_init(&txo->stats.sync); |
| 2472 | u64_stats_init(&txo->stats.sync_compl); |
| 2473 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2474 | /* If num_evt_qs is less than num_tx_qs, then more than |
| 2475 | * one txq share an eq |
| 2476 | */ |
Sathya Perla | 73f394e | 2015-03-26 03:05:09 -0400 | [diff] [blame] | 2477 | eqo = &adapter->eq_obj[i % adapter->num_evt_qs]; |
| 2478 | status = be_cmd_cq_create(adapter, cq, &eqo->q, false, 3); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2479 | if (status) |
| 2480 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2481 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2482 | status = be_queue_alloc(adapter, &txo->q, TX_Q_LEN, |
| 2483 | sizeof(struct be_eth_wrb)); |
| 2484 | if (status) |
| 2485 | return status; |
| 2486 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 2487 | status = be_cmd_txq_create(adapter, txo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2488 | if (status) |
| 2489 | return status; |
Sathya Perla | 73f394e | 2015-03-26 03:05:09 -0400 | [diff] [blame] | 2490 | |
| 2491 | netif_set_xps_queue(adapter->netdev, eqo->affinity_mask, |
| 2492 | eqo->idx); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2493 | } |
| 2494 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2495 | dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n", |
| 2496 | adapter->num_tx_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2497 | return 0; |
| 2498 | } |
| 2499 | |
| 2500 | static void be_rx_cqs_destroy(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2501 | { |
| 2502 | struct be_queue_info *q; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2503 | struct be_rx_obj *rxo; |
| 2504 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2505 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2506 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2507 | q = &rxo->cq; |
| 2508 | if (q->created) |
| 2509 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2510 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2511 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2512 | } |
| 2513 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2514 | static int be_rx_cqs_create(struct be_adapter *adapter) |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2515 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2516 | struct be_queue_info *eq, *cq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2517 | struct be_rx_obj *rxo; |
| 2518 | int rc, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2519 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2520 | /* We can create as many RSS rings as there are EQs. */ |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 2521 | adapter->num_rss_qs = adapter->num_evt_qs; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2522 | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 2523 | /* We'll use RSS only if atleast 2 RSS rings are supported. */ |
| 2524 | if (adapter->num_rss_qs <= 1) |
| 2525 | adapter->num_rss_qs = 0; |
| 2526 | |
| 2527 | adapter->num_rx_qs = adapter->num_rss_qs + adapter->need_def_rxq; |
| 2528 | |
| 2529 | /* When the interface is not capable of RSS rings (and there is no |
| 2530 | * need to create a default RXQ) we'll still need one RXQ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2531 | */ |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 2532 | if (adapter->num_rx_qs == 0) |
| 2533 | adapter->num_rx_qs = 1; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2534 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2535 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2536 | for_all_rx_queues(adapter, rxo, i) { |
| 2537 | rxo->adapter = adapter; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2538 | cq = &rxo->cq; |
| 2539 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2540 | sizeof(struct be_eth_rx_compl)); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2541 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2542 | return rc; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2543 | |
John Stultz | 827da44 | 2013-10-07 15:51:58 -0700 | [diff] [blame] | 2544 | u64_stats_init(&rxo->stats.sync); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2545 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 2546 | rc = be_cmd_cq_create(adapter, cq, eq, false, 3); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2547 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2548 | return rc; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2549 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2550 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2551 | dev_info(&adapter->pdev->dev, |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 2552 | "created %d RX queue(s)\n", adapter->num_rx_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2553 | return 0; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2554 | } |
| 2555 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2556 | static irqreturn_t be_intx(int irq, void *dev) |
| 2557 | { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2558 | struct be_eq_obj *eqo = dev; |
| 2559 | struct be_adapter *adapter = eqo->adapter; |
| 2560 | int num_evts = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2561 | |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2562 | /* IRQ is not expected when NAPI is scheduled as the EQ |
| 2563 | * will not be armed. |
| 2564 | * But, this can happen on Lancer INTx where it takes |
| 2565 | * a while to de-assert INTx or in BE2 where occasionaly |
| 2566 | * an interrupt may be raised even when EQ is unarmed. |
| 2567 | * If NAPI is already scheduled, then counting & notifying |
| 2568 | * events will orphan them. |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2569 | */ |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2570 | if (napi_schedule_prep(&eqo->napi)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2571 | num_evts = events_get(eqo); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2572 | __napi_schedule(&eqo->napi); |
| 2573 | if (num_evts) |
| 2574 | eqo->spurious_intr = 0; |
| 2575 | } |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2576 | be_eq_notify(adapter, eqo->q.id, false, true, num_evts); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2577 | |
| 2578 | /* Return IRQ_HANDLED only for the the first spurious intr |
| 2579 | * after a valid intr to stop the kernel from branding |
| 2580 | * this irq as a bad one! |
| 2581 | */ |
| 2582 | if (num_evts || eqo->spurious_intr++ == 0) |
| 2583 | return IRQ_HANDLED; |
| 2584 | else |
| 2585 | return IRQ_NONE; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2586 | } |
| 2587 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2588 | static irqreturn_t be_msix(int irq, void *dev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2589 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2590 | struct be_eq_obj *eqo = dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2591 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2592 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 2593 | napi_schedule(&eqo->napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2594 | return IRQ_HANDLED; |
| 2595 | } |
| 2596 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2597 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2598 | { |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 2599 | return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2600 | } |
| 2601 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2602 | 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] | 2603 | int budget, int polling) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2604 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2605 | struct be_adapter *adapter = rxo->adapter; |
| 2606 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2607 | struct be_rx_compl_info *rxcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2608 | u32 work_done; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2609 | u32 frags_consumed = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2610 | |
| 2611 | for (work_done = 0; work_done < budget; work_done++) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2612 | rxcp = be_rx_compl_get(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2613 | if (!rxcp) |
| 2614 | break; |
| 2615 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2616 | /* Is it a flush compl that has no data */ |
| 2617 | if (unlikely(rxcp->num_rcvd == 0)) |
| 2618 | goto loop_continue; |
| 2619 | |
| 2620 | /* Discard compl with partial DMA Lancer B0 */ |
| 2621 | if (unlikely(!rxcp->pkt_size)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2622 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2623 | goto loop_continue; |
Sathya Perla | 6464281 | 2010-12-01 01:04:17 +0000 | [diff] [blame] | 2624 | } |
Padmanabh Ratnakar | 009dd87 | 2011-05-10 05:12:17 +0000 | [diff] [blame] | 2625 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2626 | /* On BE drop pkts that arrive due to imperfect filtering in |
| 2627 | * promiscuous mode on some skews |
| 2628 | */ |
| 2629 | if (unlikely(rxcp->port != adapter->port_num && |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2630 | !lancer_chip(adapter))) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2631 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2632 | goto loop_continue; |
| 2633 | } |
| 2634 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2635 | /* Don't do gro when we're busy_polling */ |
| 2636 | if (do_gro(rxcp) && polling != BUSY_POLLING) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2637 | be_rx_compl_process_gro(rxo, napi, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2638 | else |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2639 | be_rx_compl_process(rxo, napi, rxcp); |
| 2640 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2641 | loop_continue: |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2642 | frags_consumed += rxcp->num_rcvd; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2643 | be_rx_stats_update(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2644 | } |
| 2645 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2646 | if (work_done) { |
| 2647 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
Padmanabh Ratnakar | 9372cac | 2011-11-03 01:49:55 +0000 | [diff] [blame] | 2648 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2649 | /* When an rx-obj gets into post_starved state, just |
| 2650 | * let be_worker do the posting. |
| 2651 | */ |
| 2652 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM && |
| 2653 | !rxo->rx_post_starved) |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2654 | be_post_rx_frags(rxo, GFP_ATOMIC, |
| 2655 | max_t(u32, MAX_RX_POST, |
| 2656 | frags_consumed)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2657 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2658 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2659 | return work_done; |
| 2660 | } |
| 2661 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2662 | 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] | 2663 | { |
| 2664 | switch (status) { |
| 2665 | case BE_TX_COMP_HDR_PARSE_ERR: |
| 2666 | tx_stats(txo)->tx_hdr_parse_err++; |
| 2667 | break; |
| 2668 | case BE_TX_COMP_NDMA_ERR: |
| 2669 | tx_stats(txo)->tx_dma_err++; |
| 2670 | break; |
| 2671 | case BE_TX_COMP_ACL_ERR: |
| 2672 | tx_stats(txo)->tx_spoof_check_err++; |
| 2673 | break; |
| 2674 | } |
| 2675 | } |
| 2676 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2677 | 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] | 2678 | { |
| 2679 | switch (status) { |
| 2680 | case LANCER_TX_COMP_LSO_ERR: |
| 2681 | tx_stats(txo)->tx_tso_err++; |
| 2682 | break; |
| 2683 | case LANCER_TX_COMP_HSW_DROP_MAC_ERR: |
| 2684 | case LANCER_TX_COMP_HSW_DROP_VLAN_ERR: |
| 2685 | tx_stats(txo)->tx_spoof_check_err++; |
| 2686 | break; |
| 2687 | case LANCER_TX_COMP_QINQ_ERR: |
| 2688 | tx_stats(txo)->tx_qinq_err++; |
| 2689 | break; |
| 2690 | case LANCER_TX_COMP_PARITY_ERR: |
| 2691 | tx_stats(txo)->tx_internal_parity_err++; |
| 2692 | break; |
| 2693 | case LANCER_TX_COMP_DMA_ERR: |
| 2694 | tx_stats(txo)->tx_dma_err++; |
| 2695 | break; |
| 2696 | } |
| 2697 | } |
| 2698 | |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 2699 | static void be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 2700 | int idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2701 | { |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 2702 | int num_wrbs = 0, work_done = 0; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2703 | struct be_tx_compl_info *txcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2704 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2705 | while ((txcp = be_tx_compl_get(txo))) { |
| 2706 | num_wrbs += be_tx_compl_process(adapter, txo, txcp->end_index); |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 2707 | work_done++; |
| 2708 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2709 | if (txcp->status) { |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 2710 | if (lancer_chip(adapter)) |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2711 | lancer_update_tx_err(txo, txcp->status); |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 2712 | else |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2713 | be_update_tx_err(txo, txcp->status); |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 2714 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2715 | } |
| 2716 | |
| 2717 | if (work_done) { |
| 2718 | be_cq_notify(adapter, txo->cq.id, true, work_done); |
| 2719 | atomic_sub(num_wrbs, &txo->q.used); |
| 2720 | |
| 2721 | /* As Tx wrbs have been freed up, wake up netdev queue |
| 2722 | * if it was stopped due to lack of tx wrbs. */ |
| 2723 | if (__netif_subqueue_stopped(adapter->netdev, idx) && |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 2724 | be_can_txq_wake(txo)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2725 | netif_wake_subqueue(adapter->netdev, idx); |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2726 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2727 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2728 | u64_stats_update_begin(&tx_stats(txo)->sync_compl); |
| 2729 | tx_stats(txo)->tx_compl += work_done; |
| 2730 | u64_stats_update_end(&tx_stats(txo)->sync_compl); |
| 2731 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2732 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2733 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 2734 | #ifdef CONFIG_NET_RX_BUSY_POLL |
| 2735 | static inline bool be_lock_napi(struct be_eq_obj *eqo) |
| 2736 | { |
| 2737 | bool status = true; |
| 2738 | |
| 2739 | spin_lock(&eqo->lock); /* BH is already disabled */ |
| 2740 | if (eqo->state & BE_EQ_LOCKED) { |
| 2741 | WARN_ON(eqo->state & BE_EQ_NAPI); |
| 2742 | eqo->state |= BE_EQ_NAPI_YIELD; |
| 2743 | status = false; |
| 2744 | } else { |
| 2745 | eqo->state = BE_EQ_NAPI; |
| 2746 | } |
| 2747 | spin_unlock(&eqo->lock); |
| 2748 | return status; |
| 2749 | } |
| 2750 | |
| 2751 | static inline void be_unlock_napi(struct be_eq_obj *eqo) |
| 2752 | { |
| 2753 | spin_lock(&eqo->lock); /* BH is already disabled */ |
| 2754 | |
| 2755 | WARN_ON(eqo->state & (BE_EQ_POLL | BE_EQ_NAPI_YIELD)); |
| 2756 | eqo->state = BE_EQ_IDLE; |
| 2757 | |
| 2758 | spin_unlock(&eqo->lock); |
| 2759 | } |
| 2760 | |
| 2761 | static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) |
| 2762 | { |
| 2763 | bool status = true; |
| 2764 | |
| 2765 | spin_lock_bh(&eqo->lock); |
| 2766 | if (eqo->state & BE_EQ_LOCKED) { |
| 2767 | eqo->state |= BE_EQ_POLL_YIELD; |
| 2768 | status = false; |
| 2769 | } else { |
| 2770 | eqo->state |= BE_EQ_POLL; |
| 2771 | } |
| 2772 | spin_unlock_bh(&eqo->lock); |
| 2773 | return status; |
| 2774 | } |
| 2775 | |
| 2776 | static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) |
| 2777 | { |
| 2778 | spin_lock_bh(&eqo->lock); |
| 2779 | |
| 2780 | WARN_ON(eqo->state & (BE_EQ_NAPI)); |
| 2781 | eqo->state = BE_EQ_IDLE; |
| 2782 | |
| 2783 | spin_unlock_bh(&eqo->lock); |
| 2784 | } |
| 2785 | |
| 2786 | static inline void be_enable_busy_poll(struct be_eq_obj *eqo) |
| 2787 | { |
| 2788 | spin_lock_init(&eqo->lock); |
| 2789 | eqo->state = BE_EQ_IDLE; |
| 2790 | } |
| 2791 | |
| 2792 | static inline void be_disable_busy_poll(struct be_eq_obj *eqo) |
| 2793 | { |
| 2794 | local_bh_disable(); |
| 2795 | |
| 2796 | /* It's enough to just acquire napi lock on the eqo to stop |
| 2797 | * be_busy_poll() from processing any queueus. |
| 2798 | */ |
| 2799 | while (!be_lock_napi(eqo)) |
| 2800 | mdelay(1); |
| 2801 | |
| 2802 | local_bh_enable(); |
| 2803 | } |
| 2804 | |
| 2805 | #else /* CONFIG_NET_RX_BUSY_POLL */ |
| 2806 | |
| 2807 | static inline bool be_lock_napi(struct be_eq_obj *eqo) |
| 2808 | { |
| 2809 | return true; |
| 2810 | } |
| 2811 | |
| 2812 | static inline void be_unlock_napi(struct be_eq_obj *eqo) |
| 2813 | { |
| 2814 | } |
| 2815 | |
| 2816 | static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) |
| 2817 | { |
| 2818 | return false; |
| 2819 | } |
| 2820 | |
| 2821 | static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) |
| 2822 | { |
| 2823 | } |
| 2824 | |
| 2825 | static inline void be_enable_busy_poll(struct be_eq_obj *eqo) |
| 2826 | { |
| 2827 | } |
| 2828 | |
| 2829 | static inline void be_disable_busy_poll(struct be_eq_obj *eqo) |
| 2830 | { |
| 2831 | } |
| 2832 | #endif /* CONFIG_NET_RX_BUSY_POLL */ |
| 2833 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2834 | int be_poll(struct napi_struct *napi, int budget) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2835 | { |
| 2836 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 2837 | struct be_adapter *adapter = eqo->adapter; |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2838 | int max_work = 0, work, i, num_evts; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2839 | struct be_rx_obj *rxo; |
Sathya Perla | a4906ea | 2014-09-02 09:56:56 +0530 | [diff] [blame] | 2840 | struct be_tx_obj *txo; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2841 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2842 | num_evts = events_get(eqo); |
| 2843 | |
Sathya Perla | a4906ea | 2014-09-02 09:56:56 +0530 | [diff] [blame] | 2844 | for_all_tx_queues_on_eq(adapter, eqo, txo, i) |
| 2845 | be_process_tx(adapter, txo, i); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2846 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2847 | if (be_lock_napi(eqo)) { |
| 2848 | /* This loop will iterate twice for EQ0 in which |
| 2849 | * completions of the last RXQ (default one) are also processed |
| 2850 | * For other EQs the loop iterates only once |
| 2851 | */ |
| 2852 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 2853 | work = be_process_rx(rxo, napi, budget, NAPI_POLLING); |
| 2854 | max_work = max(work, max_work); |
| 2855 | } |
| 2856 | be_unlock_napi(eqo); |
| 2857 | } else { |
| 2858 | max_work = budget; |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 2859 | } |
| 2860 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2861 | if (is_mcc_eqo(eqo)) |
| 2862 | be_process_mcc(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2863 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2864 | if (max_work < budget) { |
| 2865 | napi_complete(napi); |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2866 | be_eq_notify(adapter, eqo->q.id, true, false, num_evts); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2867 | } else { |
| 2868 | /* As we'll continue in polling mode, count and clear events */ |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2869 | be_eq_notify(adapter, eqo->q.id, false, false, num_evts); |
Padmanabh Ratnakar | 93c8670 | 2011-12-19 01:53:35 +0000 | [diff] [blame] | 2870 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2871 | return max_work; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2872 | } |
| 2873 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2874 | #ifdef CONFIG_NET_RX_BUSY_POLL |
| 2875 | static int be_busy_poll(struct napi_struct *napi) |
| 2876 | { |
| 2877 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 2878 | struct be_adapter *adapter = eqo->adapter; |
| 2879 | struct be_rx_obj *rxo; |
| 2880 | int i, work = 0; |
| 2881 | |
| 2882 | if (!be_lock_busy_poll(eqo)) |
| 2883 | return LL_FLUSH_BUSY; |
| 2884 | |
| 2885 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 2886 | work = be_process_rx(rxo, napi, 4, BUSY_POLLING); |
| 2887 | if (work) |
| 2888 | break; |
| 2889 | } |
| 2890 | |
| 2891 | be_unlock_busy_poll(eqo); |
| 2892 | return work; |
| 2893 | } |
| 2894 | #endif |
| 2895 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2896 | void be_detect_error(struct be_adapter *adapter) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2897 | { |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2898 | u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; |
| 2899 | u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2900 | u32 i; |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2901 | bool error_detected = false; |
| 2902 | struct device *dev = &adapter->pdev->dev; |
| 2903 | struct net_device *netdev = adapter->netdev; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2904 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2905 | if (be_hw_error(adapter)) |
Sathya Perla | 72f0248 | 2011-11-10 19:17:58 +0000 | [diff] [blame] | 2906 | return; |
| 2907 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2908 | if (lancer_chip(adapter)) { |
| 2909 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); |
| 2910 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
| 2911 | sliport_err1 = ioread32(adapter->db + |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2912 | SLIPORT_ERROR1_OFFSET); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2913 | sliport_err2 = ioread32(adapter->db + |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2914 | SLIPORT_ERROR2_OFFSET); |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2915 | adapter->hw_error = true; |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 2916 | error_detected = true; |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2917 | /* Do not log error messages if its a FW reset */ |
| 2918 | if (sliport_err1 == SLIPORT_ERROR_FW_RESET1 && |
| 2919 | sliport_err2 == SLIPORT_ERROR_FW_RESET2) { |
| 2920 | dev_info(dev, "Firmware update in progress\n"); |
| 2921 | } else { |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2922 | dev_err(dev, "Error detected in the card\n"); |
| 2923 | dev_err(dev, "ERR: sliport status 0x%x\n", |
| 2924 | sliport_status); |
| 2925 | dev_err(dev, "ERR: sliport error1 0x%x\n", |
| 2926 | sliport_err1); |
| 2927 | dev_err(dev, "ERR: sliport error2 0x%x\n", |
| 2928 | sliport_err2); |
| 2929 | } |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2930 | } |
| 2931 | } else { |
Suresh Reddy | 25848c9 | 2015-03-20 06:28:25 -0400 | [diff] [blame] | 2932 | ue_lo = ioread32(adapter->pcicfg + PCICFG_UE_STATUS_LOW); |
| 2933 | ue_hi = ioread32(adapter->pcicfg + PCICFG_UE_STATUS_HIGH); |
| 2934 | ue_lo_mask = ioread32(adapter->pcicfg + |
| 2935 | PCICFG_UE_STATUS_LOW_MASK); |
| 2936 | ue_hi_mask = ioread32(adapter->pcicfg + |
| 2937 | PCICFG_UE_STATUS_HI_MASK); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2938 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2939 | ue_lo = (ue_lo & ~ue_lo_mask); |
| 2940 | ue_hi = (ue_hi & ~ue_hi_mask); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2941 | |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2942 | /* On certain platforms BE hardware can indicate spurious UEs. |
| 2943 | * Allow HW to stop working completely in case of a real UE. |
| 2944 | * Hence not setting the hw_error for UE detection. |
| 2945 | */ |
| 2946 | |
| 2947 | if (ue_lo || ue_hi) { |
| 2948 | error_detected = true; |
| 2949 | dev_err(dev, |
| 2950 | "Unrecoverable Error detected in the adapter"); |
| 2951 | dev_err(dev, "Please reboot server to recover"); |
| 2952 | if (skyhawk_chip(adapter)) |
| 2953 | adapter->hw_error = true; |
| 2954 | for (i = 0; ue_lo; ue_lo >>= 1, i++) { |
| 2955 | if (ue_lo & 1) |
| 2956 | dev_err(dev, "UE: %s bit set\n", |
| 2957 | ue_status_low_desc[i]); |
| 2958 | } |
| 2959 | for (i = 0; ue_hi; ue_hi >>= 1, i++) { |
| 2960 | if (ue_hi & 1) |
| 2961 | dev_err(dev, "UE: %s bit set\n", |
| 2962 | ue_status_hi_desc[i]); |
| 2963 | } |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 2964 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2965 | } |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2966 | if (error_detected) |
| 2967 | netif_carrier_off(netdev); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2968 | } |
| 2969 | |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2970 | static void be_msix_disable(struct be_adapter *adapter) |
| 2971 | { |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2972 | if (msix_enabled(adapter)) { |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2973 | pci_disable_msix(adapter->pdev); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2974 | adapter->num_msix_vec = 0; |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2975 | adapter->num_msix_roce_vec = 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2976 | } |
| 2977 | } |
| 2978 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2979 | static int be_msix_enable(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2980 | { |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 2981 | int i, num_vec; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2982 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2983 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2984 | /* If RoCE is supported, program the max number of NIC vectors that |
| 2985 | * may be configured via set-channels, along with vectors needed for |
| 2986 | * RoCe. Else, just program the number we'll use initially. |
| 2987 | */ |
| 2988 | if (be_roce_supported(adapter)) |
| 2989 | num_vec = min_t(int, 2 * be_max_eqs(adapter), |
| 2990 | 2 * num_online_cpus()); |
| 2991 | else |
| 2992 | num_vec = adapter->cfg_num_qs; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2993 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2994 | for (i = 0; i < num_vec; i++) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2995 | adapter->msix_entries[i].entry = i; |
| 2996 | |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 2997 | num_vec = pci_enable_msix_range(adapter->pdev, adapter->msix_entries, |
| 2998 | MIN_MSIX_VECTORS, num_vec); |
| 2999 | if (num_vec < 0) |
| 3000 | goto fail; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 3001 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3002 | if (be_roce_supported(adapter) && num_vec > MIN_MSIX_VECTORS) { |
| 3003 | adapter->num_msix_roce_vec = num_vec / 2; |
| 3004 | dev_info(dev, "enabled %d MSI-x vector(s) for RoCE\n", |
| 3005 | adapter->num_msix_roce_vec); |
| 3006 | } |
| 3007 | |
| 3008 | adapter->num_msix_vec = num_vec - adapter->num_msix_roce_vec; |
| 3009 | |
| 3010 | dev_info(dev, "enabled %d MSI-x vector(s) for NIC\n", |
| 3011 | adapter->num_msix_vec); |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 3012 | return 0; |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 3013 | |
| 3014 | fail: |
| 3015 | dev_warn(dev, "MSIx enable failed\n"); |
| 3016 | |
| 3017 | /* INTx is not supported in VFs, so fail probe if enable_msix fails */ |
| 3018 | if (!be_physfn(adapter)) |
| 3019 | return num_vec; |
| 3020 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3021 | } |
| 3022 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 3023 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3024 | struct be_eq_obj *eqo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3025 | { |
Sathya Perla | f2f781a | 2013-08-27 16:57:30 +0530 | [diff] [blame] | 3026 | return adapter->msix_entries[eqo->msix_idx].vector; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3027 | } |
| 3028 | |
| 3029 | static int be_msix_register(struct be_adapter *adapter) |
| 3030 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3031 | struct net_device *netdev = adapter->netdev; |
| 3032 | struct be_eq_obj *eqo; |
| 3033 | int status, i, vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3034 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3035 | for_all_evt_queues(adapter, eqo, i) { |
| 3036 | sprintf(eqo->desc, "%s-q%d", netdev->name, i); |
| 3037 | vec = be_msix_vec_get(adapter, eqo); |
| 3038 | status = request_irq(vec, be_msix, 0, eqo->desc, eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3039 | if (status) |
| 3040 | goto err_msix; |
Padmanabh Ratnakar | d658d98 | 2015-03-26 03:05:08 -0400 | [diff] [blame] | 3041 | |
| 3042 | irq_set_affinity_hint(vec, eqo->affinity_mask); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3043 | } |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 3044 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3045 | return 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3046 | err_msix: |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3047 | for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) |
| 3048 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
| 3049 | dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3050 | status); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3051 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3052 | return status; |
| 3053 | } |
| 3054 | |
| 3055 | static int be_irq_register(struct be_adapter *adapter) |
| 3056 | { |
| 3057 | struct net_device *netdev = adapter->netdev; |
| 3058 | int status; |
| 3059 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3060 | if (msix_enabled(adapter)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3061 | status = be_msix_register(adapter); |
| 3062 | if (status == 0) |
| 3063 | goto done; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 3064 | /* INTx is not supported for VF */ |
| 3065 | if (!be_physfn(adapter)) |
| 3066 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3067 | } |
| 3068 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3069 | /* INTx: only the first EQ is used */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3070 | netdev->irq = adapter->pdev->irq; |
| 3071 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3072 | &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3073 | if (status) { |
| 3074 | dev_err(&adapter->pdev->dev, |
| 3075 | "INTx request IRQ failed - err %d\n", status); |
| 3076 | return status; |
| 3077 | } |
| 3078 | done: |
| 3079 | adapter->isr_registered = true; |
| 3080 | return 0; |
| 3081 | } |
| 3082 | |
| 3083 | static void be_irq_unregister(struct be_adapter *adapter) |
| 3084 | { |
| 3085 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3086 | struct be_eq_obj *eqo; |
Padmanabh Ratnakar | d658d98 | 2015-03-26 03:05:08 -0400 | [diff] [blame] | 3087 | int i, vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3088 | |
| 3089 | if (!adapter->isr_registered) |
| 3090 | return; |
| 3091 | |
| 3092 | /* INTx */ |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3093 | if (!msix_enabled(adapter)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3094 | free_irq(netdev->irq, &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3095 | goto done; |
| 3096 | } |
| 3097 | |
| 3098 | /* MSIx */ |
Padmanabh Ratnakar | d658d98 | 2015-03-26 03:05:08 -0400 | [diff] [blame] | 3099 | for_all_evt_queues(adapter, eqo, i) { |
| 3100 | vec = be_msix_vec_get(adapter, eqo); |
| 3101 | irq_set_affinity_hint(vec, NULL); |
| 3102 | free_irq(vec, eqo); |
| 3103 | } |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3104 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3105 | done: |
| 3106 | adapter->isr_registered = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3107 | } |
| 3108 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3109 | static void be_rx_qs_destroy(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3110 | { |
| 3111 | struct be_queue_info *q; |
| 3112 | struct be_rx_obj *rxo; |
| 3113 | int i; |
| 3114 | |
| 3115 | for_all_rx_queues(adapter, rxo, i) { |
| 3116 | q = &rxo->q; |
| 3117 | if (q->created) { |
| 3118 | be_cmd_rxq_destroy(adapter, q); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3119 | be_rx_cq_clean(rxo); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3120 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3121 | be_queue_free(adapter, q); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3122 | } |
| 3123 | } |
| 3124 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3125 | static int be_close(struct net_device *netdev) |
| 3126 | { |
| 3127 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3128 | struct be_eq_obj *eqo; |
| 3129 | int i; |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3130 | |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 3131 | /* This protection is needed as be_close() may be called even when the |
| 3132 | * adapter is in cleared state (after eeh perm failure) |
| 3133 | */ |
| 3134 | if (!(adapter->flags & BE_FLAGS_SETUP_DONE)) |
| 3135 | return 0; |
| 3136 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3137 | be_roce_dev_close(adapter); |
| 3138 | |
Ivan Vecera | dff345c5 | 2013-11-27 08:59:32 +0100 | [diff] [blame] | 3139 | if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { |
| 3140 | for_all_evt_queues(adapter, eqo, i) { |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3141 | napi_disable(&eqo->napi); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3142 | be_disable_busy_poll(eqo); |
| 3143 | } |
David S. Miller | 71237b6 | 2013-11-28 18:53:36 -0500 | [diff] [blame] | 3144 | adapter->flags &= ~BE_FLAGS_NAPI_ENABLED; |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3145 | } |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3146 | |
| 3147 | be_async_mcc_disable(adapter); |
| 3148 | |
| 3149 | /* Wait for all pending tx completions to arrive so that |
| 3150 | * all tx skbs are freed. |
| 3151 | */ |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 3152 | netif_tx_disable(netdev); |
Sathya Perla | 6e1f997 | 2013-08-22 12:23:41 +0530 | [diff] [blame] | 3153 | be_tx_compl_clean(adapter); |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3154 | |
| 3155 | be_rx_qs_destroy(adapter); |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 3156 | be_clear_uc_list(adapter); |
Ajit Khaparde | d11a347 | 2013-11-18 10:44:37 -0600 | [diff] [blame] | 3157 | |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3158 | for_all_evt_queues(adapter, eqo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3159 | if (msix_enabled(adapter)) |
| 3160 | synchronize_irq(be_msix_vec_get(adapter, eqo)); |
| 3161 | else |
| 3162 | synchronize_irq(netdev->irq); |
| 3163 | be_eq_clean(eqo); |
Padmanabh Ratnakar | 63fcb27 | 2011-03-07 03:09:17 +0000 | [diff] [blame] | 3164 | } |
| 3165 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3166 | be_irq_unregister(adapter); |
| 3167 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3168 | return 0; |
| 3169 | } |
| 3170 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3171 | static int be_rx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3172 | { |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3173 | struct rss_info *rss = &adapter->rss_info; |
| 3174 | u8 rss_key[RSS_HASH_KEY_LEN]; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3175 | struct be_rx_obj *rxo; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3176 | int rc, i, j; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3177 | |
| 3178 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3179 | rc = be_queue_alloc(adapter, &rxo->q, RX_Q_LEN, |
| 3180 | sizeof(struct be_eth_rx_d)); |
| 3181 | if (rc) |
| 3182 | return rc; |
| 3183 | } |
| 3184 | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3185 | if (adapter->need_def_rxq || !adapter->num_rss_qs) { |
| 3186 | rxo = default_rxo(adapter); |
| 3187 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
| 3188 | rx_frag_size, adapter->if_handle, |
| 3189 | false, &rxo->rss_id); |
| 3190 | if (rc) |
| 3191 | return rc; |
| 3192 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3193 | |
| 3194 | for_all_rss_queues(adapter, rxo, i) { |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3195 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3196 | rx_frag_size, adapter->if_handle, |
| 3197 | true, &rxo->rss_id); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3198 | if (rc) |
| 3199 | return rc; |
| 3200 | } |
| 3201 | |
| 3202 | if (be_multi_rxq(adapter)) { |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3203 | 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] | 3204 | for_all_rss_queues(adapter, rxo, i) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3205 | if ((j + i) >= RSS_INDIR_TABLE_LEN) |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3206 | break; |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3207 | rss->rsstable[j + i] = rxo->rss_id; |
| 3208 | rss->rss_queue[j + i] = i; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3209 | } |
| 3210 | } |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3211 | rss->rss_flags = RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | |
| 3212 | RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6; |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 3213 | |
| 3214 | if (!BEx_chip(adapter)) |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3215 | rss->rss_flags |= RSS_ENABLE_UDP_IPV4 | |
| 3216 | RSS_ENABLE_UDP_IPV6; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3217 | } else { |
| 3218 | /* Disable RSS, if only default RX Q is created */ |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3219 | rss->rss_flags = RSS_ENABLE_NONE; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3220 | } |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 3221 | |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3222 | netdev_rss_key_fill(rss_key, RSS_HASH_KEY_LEN); |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3223 | rc = be_cmd_rss_config(adapter, rss->rsstable, rss->rss_flags, |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3224 | 128, rss_key); |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3225 | if (rc) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3226 | rss->rss_flags = RSS_ENABLE_NONE; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3227 | return rc; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3228 | } |
| 3229 | |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3230 | memcpy(rss->rss_hkey, rss_key, RSS_HASH_KEY_LEN); |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3231 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3232 | /* First time posting */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3233 | for_all_rx_queues(adapter, rxo, i) |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 3234 | be_post_rx_frags(rxo, GFP_KERNEL, MAX_RX_POST); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3235 | return 0; |
| 3236 | } |
| 3237 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3238 | static int be_open(struct net_device *netdev) |
| 3239 | { |
| 3240 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3241 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3242 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3243 | struct be_tx_obj *txo; |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 3244 | u8 link_status; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3245 | int status, i; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3246 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3247 | status = be_rx_qs_create(adapter); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3248 | if (status) |
| 3249 | goto err; |
| 3250 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 3251 | status = be_irq_register(adapter); |
| 3252 | if (status) |
| 3253 | goto err; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3254 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3255 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3256 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3257 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3258 | for_all_tx_queues(adapter, txo, i) |
| 3259 | be_cq_notify(adapter, txo->cq.id, true, 0); |
| 3260 | |
Sathya Perla | 7a1e9b2 | 2010-02-17 01:35:11 +0000 | [diff] [blame] | 3261 | be_async_mcc_enable(adapter); |
| 3262 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3263 | for_all_evt_queues(adapter, eqo, i) { |
| 3264 | napi_enable(&eqo->napi); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3265 | be_enable_busy_poll(eqo); |
Suresh Reddy | 4cad9f3 | 2014-07-11 14:03:01 +0530 | [diff] [blame] | 3266 | be_eq_notify(adapter, eqo->q.id, true, true, 0); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3267 | } |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3268 | adapter->flags |= BE_FLAGS_NAPI_ENABLED; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3269 | |
Sathya Perla | 323ff71 | 2012-09-28 04:39:43 +0000 | [diff] [blame] | 3270 | status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 3271 | if (!status) |
| 3272 | be_link_status_update(adapter, link_status); |
| 3273 | |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 3274 | netif_tx_start_all_queues(netdev); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3275 | be_roce_dev_open(adapter); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3276 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3277 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3278 | if (skyhawk_chip(adapter)) |
| 3279 | vxlan_get_rx_port(netdev); |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3280 | #endif |
| 3281 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3282 | return 0; |
| 3283 | err: |
| 3284 | be_close(adapter->netdev); |
| 3285 | return -EIO; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3286 | } |
| 3287 | |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3288 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
| 3289 | { |
| 3290 | struct be_dma_mem cmd; |
| 3291 | int status = 0; |
| 3292 | u8 mac[ETH_ALEN]; |
| 3293 | |
Joe Perches | c7bf716 | 2015-03-02 19:54:47 -0800 | [diff] [blame] | 3294 | eth_zero_addr(mac); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3295 | |
| 3296 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); |
Joe Perches | ede23fa | 2013-08-26 22:45:23 -0700 | [diff] [blame] | 3297 | cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
| 3298 | GFP_KERNEL); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 3299 | if (!cmd.va) |
Kalesh AP | 6b56868 | 2014-07-17 16:20:22 +0530 | [diff] [blame] | 3300 | return -ENOMEM; |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3301 | |
| 3302 | if (enable) { |
| 3303 | status = pci_write_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3304 | PCICFG_PM_CONTROL_OFFSET, |
| 3305 | PCICFG_PM_CONTROL_MASK); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3306 | if (status) { |
| 3307 | dev_err(&adapter->pdev->dev, |
Frans Pop | 2381a55 | 2010-03-24 07:57:36 +0000 | [diff] [blame] | 3308 | "Could not enable Wake-on-lan\n"); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3309 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
| 3310 | cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3311 | return status; |
| 3312 | } |
| 3313 | status = be_cmd_enable_magic_wol(adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3314 | adapter->netdev->dev_addr, |
| 3315 | &cmd); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3316 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); |
| 3317 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); |
| 3318 | } else { |
| 3319 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); |
| 3320 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); |
| 3321 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); |
| 3322 | } |
| 3323 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3324 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3325 | return status; |
| 3326 | } |
| 3327 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 3328 | static void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac) |
| 3329 | { |
| 3330 | u32 addr; |
| 3331 | |
| 3332 | addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0); |
| 3333 | |
| 3334 | mac[5] = (u8)(addr & 0xFF); |
| 3335 | mac[4] = (u8)((addr >> 8) & 0xFF); |
| 3336 | mac[3] = (u8)((addr >> 16) & 0xFF); |
| 3337 | /* Use the OUI from the current MAC address */ |
| 3338 | memcpy(mac, adapter->netdev->dev_addr, 3); |
| 3339 | } |
| 3340 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3341 | /* |
| 3342 | * Generate a seed MAC address from the PF MAC Address using jhash. |
| 3343 | * MAC Address for VFs are assigned incrementally starting from the seed. |
| 3344 | * These addresses are programmed in the ASIC by the PF and the VF driver |
| 3345 | * queries for the MAC address during its probe. |
| 3346 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3347 | static int be_vf_eth_addr_config(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3348 | { |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3349 | u32 vf; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3350 | int status = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3351 | u8 mac[ETH_ALEN]; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3352 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3353 | |
| 3354 | be_vf_eth_addr_generate(adapter, mac); |
| 3355 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3356 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3357 | if (BEx_chip(adapter)) |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3358 | status = be_cmd_pmac_add(adapter, mac, |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3359 | vf_cfg->if_handle, |
| 3360 | &vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3361 | else |
| 3362 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, |
| 3363 | vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3364 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3365 | if (status) |
| 3366 | dev_err(&adapter->pdev->dev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3367 | "Mac address assignment failed for VF %d\n", |
| 3368 | vf); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3369 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3370 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3371 | |
| 3372 | mac[5] += 1; |
| 3373 | } |
| 3374 | return status; |
| 3375 | } |
| 3376 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3377 | static int be_vfs_mac_query(struct be_adapter *adapter) |
| 3378 | { |
| 3379 | int status, vf; |
| 3380 | u8 mac[ETH_ALEN]; |
| 3381 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3382 | |
| 3383 | for_all_vfs(adapter, vf_cfg, vf) { |
Suresh Reddy | b188f09 | 2014-01-15 13:23:39 +0530 | [diff] [blame] | 3384 | status = be_cmd_get_active_mac(adapter, vf_cfg->pmac_id, |
| 3385 | mac, vf_cfg->if_handle, |
| 3386 | false, vf+1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3387 | if (status) |
| 3388 | return status; |
| 3389 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
| 3390 | } |
| 3391 | return 0; |
| 3392 | } |
| 3393 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3394 | static void be_vf_clear(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3395 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3396 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3397 | u32 vf; |
| 3398 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 3399 | if (pci_vfs_assigned(adapter->pdev)) { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3400 | dev_warn(&adapter->pdev->dev, |
| 3401 | "VFs are assigned to VMs: not disabling VFs\n"); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3402 | goto done; |
| 3403 | } |
| 3404 | |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 3405 | pci_disable_sriov(adapter->pdev); |
| 3406 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3407 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3408 | if (BEx_chip(adapter)) |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3409 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 3410 | vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3411 | else |
| 3412 | be_cmd_set_mac(adapter, NULL, vf_cfg->if_handle, |
| 3413 | vf + 1); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3414 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3415 | be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); |
| 3416 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3417 | done: |
| 3418 | kfree(adapter->vf_cfg); |
| 3419 | adapter->num_vfs = 0; |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 3420 | adapter->flags &= ~BE_FLAGS_SRIOV_ENABLED; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3421 | } |
| 3422 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3423 | static void be_clear_queues(struct be_adapter *adapter) |
| 3424 | { |
| 3425 | be_mcc_queues_destroy(adapter); |
| 3426 | be_rx_cqs_destroy(adapter); |
| 3427 | be_tx_queues_destroy(adapter); |
| 3428 | be_evt_queues_destroy(adapter); |
| 3429 | } |
| 3430 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3431 | static void be_cancel_worker(struct be_adapter *adapter) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3432 | { |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3433 | if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { |
| 3434 | cancel_delayed_work_sync(&adapter->work); |
| 3435 | adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; |
| 3436 | } |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3437 | } |
| 3438 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 3439 | static void be_cancel_err_detection(struct be_adapter *adapter) |
| 3440 | { |
| 3441 | if (adapter->flags & BE_FLAGS_ERR_DETECTION_SCHEDULED) { |
| 3442 | cancel_delayed_work_sync(&adapter->be_err_detection_work); |
| 3443 | adapter->flags &= ~BE_FLAGS_ERR_DETECTION_SCHEDULED; |
| 3444 | } |
| 3445 | } |
| 3446 | |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3447 | static void be_mac_clear(struct be_adapter *adapter) |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3448 | { |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3449 | if (adapter->pmac_id) { |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 3450 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 3451 | adapter->pmac_id[0], 0); |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3452 | kfree(adapter->pmac_id); |
| 3453 | adapter->pmac_id = NULL; |
| 3454 | } |
| 3455 | } |
| 3456 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3457 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3458 | static void be_disable_vxlan_offloads(struct be_adapter *adapter) |
| 3459 | { |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 3460 | struct net_device *netdev = adapter->netdev; |
| 3461 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3462 | if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) |
| 3463 | be_cmd_manage_iface(adapter, adapter->if_handle, |
| 3464 | OP_CONVERT_TUNNEL_TO_NORMAL); |
| 3465 | |
| 3466 | if (adapter->vxlan_port) |
| 3467 | be_cmd_set_vxlan_port(adapter, 0); |
| 3468 | |
| 3469 | adapter->flags &= ~BE_FLAGS_VXLAN_OFFLOADS; |
| 3470 | adapter->vxlan_port = 0; |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 3471 | |
| 3472 | netdev->hw_enc_features = 0; |
| 3473 | netdev->hw_features &= ~(NETIF_F_GSO_UDP_TUNNEL); |
Sriharsha Basavapatna | ac9a3d8 | 2014-12-19 10:00:18 +0530 | [diff] [blame] | 3474 | netdev->features &= ~(NETIF_F_GSO_UDP_TUNNEL); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3475 | } |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3476 | #endif |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3477 | |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 3478 | static u16 be_calculate_vf_qs(struct be_adapter *adapter, u16 num_vfs) |
| 3479 | { |
| 3480 | struct be_resources res = adapter->pool_res; |
| 3481 | u16 num_vf_qs = 1; |
| 3482 | |
| 3483 | /* Distribute the queue resources equally among the PF and it's VFs |
| 3484 | * Do not distribute queue resources in multi-channel configuration. |
| 3485 | */ |
| 3486 | if (num_vfs && !be_is_mc(adapter)) { |
| 3487 | /* If number of VFs requested is 8 less than max supported, |
| 3488 | * assign 8 queue pairs to the PF and divide the remaining |
| 3489 | * resources evenly among the VFs |
| 3490 | */ |
| 3491 | if (num_vfs < (be_max_vfs(adapter) - 8)) |
| 3492 | num_vf_qs = (res.max_rss_qs - 8) / num_vfs; |
| 3493 | else |
| 3494 | num_vf_qs = res.max_rss_qs / num_vfs; |
| 3495 | |
| 3496 | /* Skyhawk-R chip supports only MAX_RSS_IFACES RSS capable |
| 3497 | * interfaces per port. Provide RSS on VFs, only if number |
| 3498 | * of VFs requested is less than MAX_RSS_IFACES limit. |
| 3499 | */ |
| 3500 | if (num_vfs >= MAX_RSS_IFACES) |
| 3501 | num_vf_qs = 1; |
| 3502 | } |
| 3503 | return num_vf_qs; |
| 3504 | } |
| 3505 | |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3506 | static int be_clear(struct be_adapter *adapter) |
| 3507 | { |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 3508 | struct pci_dev *pdev = adapter->pdev; |
| 3509 | u16 num_vf_qs; |
| 3510 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3511 | be_cancel_worker(adapter); |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3512 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3513 | if (sriov_enabled(adapter)) |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3514 | be_vf_clear(adapter); |
| 3515 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3516 | /* Re-configure FW to distribute resources evenly across max-supported |
| 3517 | * number of VFs, only when VFs are not already enabled. |
| 3518 | */ |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 3519 | if (skyhawk_chip(adapter) && be_physfn(adapter) && |
| 3520 | !pci_vfs_assigned(pdev)) { |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 3521 | num_vf_qs = be_calculate_vf_qs(adapter, |
| 3522 | pci_sriov_get_totalvfs(pdev)); |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3523 | be_cmd_set_sriov_config(adapter, adapter->pool_res, |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 3524 | pci_sriov_get_totalvfs(pdev), |
| 3525 | num_vf_qs); |
| 3526 | } |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3527 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3528 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3529 | be_disable_vxlan_offloads(adapter); |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3530 | #endif |
Sathya Perla | 2d17f40 | 2013-07-23 15:25:04 +0530 | [diff] [blame] | 3531 | /* delete the primary mac along with the uc-mac list */ |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3532 | be_mac_clear(adapter); |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 3533 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3534 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3535 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3536 | be_clear_queues(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3537 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3538 | be_msix_disable(adapter); |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 3539 | adapter->flags &= ~BE_FLAGS_SETUP_DONE; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3540 | return 0; |
| 3541 | } |
| 3542 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3543 | static int be_if_create(struct be_adapter *adapter, u32 *if_handle, |
| 3544 | u32 cap_flags, u32 vf) |
| 3545 | { |
| 3546 | u32 en_flags; |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3547 | |
| 3548 | en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 3549 | BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3550 | BE_IF_FLAGS_RSS | BE_IF_FLAGS_DEFQ_RSS; |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3551 | |
| 3552 | en_flags &= cap_flags; |
| 3553 | |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 3554 | return be_cmd_if_create(adapter, cap_flags, en_flags, if_handle, vf); |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3555 | } |
| 3556 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3557 | static int be_vfs_if_create(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3558 | { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3559 | struct be_resources res = {0}; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3560 | struct be_vf_cfg *vf_cfg; |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3561 | u32 cap_flags, vf; |
| 3562 | int status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3563 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3564 | /* If a FW profile exists, then cap_flags are updated */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3565 | cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 3566 | BE_IF_FLAGS_MULTICAST; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3567 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3568 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3569 | if (!BE3_chip(adapter)) { |
| 3570 | status = be_cmd_get_profile_config(adapter, &res, |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 3571 | RESOURCE_LIMITS, |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3572 | vf + 1); |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 3573 | if (!status) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3574 | cap_flags = res.if_cap_flags; |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 3575 | /* Prevent VFs from enabling VLAN promiscuous |
| 3576 | * mode |
| 3577 | */ |
| 3578 | cap_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 3579 | } |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3580 | } |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3581 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3582 | status = be_if_create(adapter, &vf_cfg->if_handle, |
| 3583 | cap_flags, vf + 1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3584 | if (status) |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3585 | return status; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3586 | } |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3587 | |
| 3588 | return 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3589 | } |
| 3590 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3591 | static int be_vf_setup_init(struct be_adapter *adapter) |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3592 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3593 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3594 | int vf; |
| 3595 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3596 | adapter->vf_cfg = kcalloc(adapter->num_vfs, sizeof(*vf_cfg), |
| 3597 | GFP_KERNEL); |
| 3598 | if (!adapter->vf_cfg) |
| 3599 | return -ENOMEM; |
| 3600 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3601 | for_all_vfs(adapter, vf_cfg, vf) { |
| 3602 | vf_cfg->if_handle = -1; |
| 3603 | vf_cfg->pmac_id = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3604 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3605 | return 0; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3606 | } |
| 3607 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3608 | static int be_vf_setup(struct be_adapter *adapter) |
| 3609 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3610 | struct device *dev = &adapter->pdev->dev; |
Somnath Kotur | c502224 | 2014-03-03 14:24:20 +0530 | [diff] [blame] | 3611 | struct be_vf_cfg *vf_cfg; |
| 3612 | int status, old_vfs, vf; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3613 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 3614 | old_vfs = pci_num_vf(adapter->pdev); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3615 | |
| 3616 | status = be_vf_setup_init(adapter); |
| 3617 | if (status) |
| 3618 | goto err; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3619 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3620 | if (old_vfs) { |
| 3621 | for_all_vfs(adapter, vf_cfg, vf) { |
| 3622 | status = be_cmd_get_if_id(adapter, vf_cfg, vf); |
| 3623 | if (status) |
| 3624 | goto err; |
| 3625 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3626 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3627 | status = be_vfs_mac_query(adapter); |
| 3628 | if (status) |
| 3629 | goto err; |
| 3630 | } else { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3631 | status = be_vfs_if_create(adapter); |
| 3632 | if (status) |
| 3633 | goto err; |
| 3634 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3635 | status = be_vf_eth_addr_config(adapter); |
| 3636 | if (status) |
| 3637 | goto err; |
| 3638 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3639 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3640 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3641 | /* Allow VFs to programs MAC/VLAN filters */ |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 3642 | status = be_cmd_get_fn_privileges(adapter, &vf_cfg->privileges, |
| 3643 | vf + 1); |
| 3644 | if (!status && !(vf_cfg->privileges & BE_PRIV_FILTMGMT)) { |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3645 | status = be_cmd_set_fn_privileges(adapter, |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 3646 | vf_cfg->privileges | |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3647 | BE_PRIV_FILTMGMT, |
| 3648 | vf + 1); |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 3649 | if (!status) { |
| 3650 | vf_cfg->privileges |= BE_PRIV_FILTMGMT; |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3651 | dev_info(dev, "VF%d has FILTMGMT privilege\n", |
| 3652 | vf); |
Vasundhara Volam | 435452a | 2015-03-20 06:28:23 -0400 | [diff] [blame] | 3653 | } |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3654 | } |
| 3655 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 3656 | /* Allow full available bandwidth */ |
| 3657 | if (!old_vfs) |
| 3658 | be_cmd_config_qos(adapter, 0, 0, vf + 1); |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 3659 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 3660 | if (!old_vfs) { |
Vasundhara Volam | 0599863 | 2013-10-01 15:59:59 +0530 | [diff] [blame] | 3661 | be_cmd_enable_vf(adapter, vf + 1); |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 3662 | be_cmd_set_logical_link_config(adapter, |
| 3663 | IFLA_VF_LINK_STATE_AUTO, |
| 3664 | vf+1); |
| 3665 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3666 | } |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 3667 | |
| 3668 | if (!old_vfs) { |
| 3669 | status = pci_enable_sriov(adapter->pdev, adapter->num_vfs); |
| 3670 | if (status) { |
| 3671 | dev_err(dev, "SRIOV enable failed\n"); |
| 3672 | adapter->num_vfs = 0; |
| 3673 | goto err; |
| 3674 | } |
| 3675 | } |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 3676 | |
| 3677 | adapter->flags |= BE_FLAGS_SRIOV_ENABLED; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3678 | return 0; |
| 3679 | err: |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3680 | dev_err(dev, "VF setup failed\n"); |
| 3681 | be_vf_clear(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3682 | return status; |
| 3683 | } |
| 3684 | |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3685 | /* Converting function_mode bits on BE3 to SH mc_type enums */ |
| 3686 | |
| 3687 | static u8 be_convert_mc_type(u32 function_mode) |
| 3688 | { |
Suresh Reddy | 66064db | 2014-06-23 16:41:29 +0530 | [diff] [blame] | 3689 | if (function_mode & VNIC_MODE && function_mode & QNQ_MODE) |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3690 | return vNIC1; |
Suresh Reddy | 66064db | 2014-06-23 16:41:29 +0530 | [diff] [blame] | 3691 | else if (function_mode & QNQ_MODE) |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3692 | return FLEX10; |
| 3693 | else if (function_mode & VNIC_MODE) |
| 3694 | return vNIC2; |
| 3695 | else if (function_mode & UMC_ENABLED) |
| 3696 | return UMC; |
| 3697 | else |
| 3698 | return MC_NONE; |
| 3699 | } |
| 3700 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3701 | /* On BE2/BE3 FW does not suggest the supported limits */ |
| 3702 | static void BEx_get_resources(struct be_adapter *adapter, |
| 3703 | struct be_resources *res) |
| 3704 | { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3705 | bool use_sriov = adapter->num_vfs ? 1 : 0; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3706 | |
| 3707 | if (be_physfn(adapter)) |
| 3708 | res->max_uc_mac = BE_UC_PMAC_COUNT; |
| 3709 | else |
| 3710 | res->max_uc_mac = BE_VF_UC_PMAC_COUNT; |
| 3711 | |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3712 | adapter->mc_type = be_convert_mc_type(adapter->function_mode); |
| 3713 | |
| 3714 | if (be_is_mc(adapter)) { |
| 3715 | /* Assuming that there are 4 channels per port, |
| 3716 | * when multi-channel is enabled |
| 3717 | */ |
| 3718 | if (be_is_qnq_mode(adapter)) |
| 3719 | res->max_vlans = BE_NUM_VLANS_SUPPORTED/8; |
| 3720 | else |
| 3721 | /* In a non-qnq multichannel mode, the pvid |
| 3722 | * takes up one vlan entry |
| 3723 | */ |
| 3724 | res->max_vlans = (BE_NUM_VLANS_SUPPORTED / 4) - 1; |
| 3725 | } else { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3726 | res->max_vlans = BE_NUM_VLANS_SUPPORTED; |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3727 | } |
| 3728 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3729 | res->max_mcast_mac = BE_MAX_MC; |
| 3730 | |
Vasundhara Volam | a5243da | 2014-03-11 18:53:07 +0530 | [diff] [blame] | 3731 | /* 1) For BE3 1Gb ports, FW does not support multiple TXQs |
| 3732 | * 2) Create multiple TX rings on a BE3-R multi-channel interface |
| 3733 | * *only* if it is RSS-capable. |
| 3734 | */ |
| 3735 | if (BE2_chip(adapter) || use_sriov || (adapter->port_num > 1) || |
| 3736 | !be_physfn(adapter) || (be_is_mc(adapter) && |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 3737 | !(adapter->function_caps & BE_FUNCTION_CAPS_RSS))) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3738 | res->max_tx_qs = 1; |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 3739 | } else if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { |
| 3740 | struct be_resources super_nic_res = {0}; |
| 3741 | |
| 3742 | /* On a SuperNIC profile, the driver needs to use the |
| 3743 | * GET_PROFILE_CONFIG cmd to query the per-function TXQ limits |
| 3744 | */ |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 3745 | be_cmd_get_profile_config(adapter, &super_nic_res, |
| 3746 | RESOURCE_LIMITS, 0); |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 3747 | /* Some old versions of BE3 FW don't report max_tx_qs value */ |
| 3748 | res->max_tx_qs = super_nic_res.max_tx_qs ? : BE3_MAX_TX_QS; |
| 3749 | } else { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3750 | res->max_tx_qs = BE3_MAX_TX_QS; |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 3751 | } |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3752 | |
| 3753 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && |
| 3754 | !use_sriov && be_physfn(adapter)) |
| 3755 | res->max_rss_qs = (adapter->be3_native) ? |
| 3756 | BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; |
| 3757 | res->max_rx_qs = res->max_rss_qs + 1; |
| 3758 | |
Suresh Reddy | e3dc867 | 2014-01-06 13:02:25 +0530 | [diff] [blame] | 3759 | if (be_physfn(adapter)) |
Vasundhara Volam | d3518e2 | 2014-07-17 16:20:29 +0530 | [diff] [blame] | 3760 | res->max_evt_qs = (be_max_vfs(adapter) > 0) ? |
Suresh Reddy | e3dc867 | 2014-01-06 13:02:25 +0530 | [diff] [blame] | 3761 | BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS; |
| 3762 | else |
| 3763 | res->max_evt_qs = 1; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3764 | |
| 3765 | res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3766 | res->if_cap_flags &= ~BE_IF_FLAGS_DEFQ_RSS; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3767 | if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) |
| 3768 | res->if_cap_flags &= ~BE_IF_FLAGS_RSS; |
| 3769 | } |
| 3770 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3771 | static void be_setup_init(struct be_adapter *adapter) |
| 3772 | { |
| 3773 | adapter->vlan_prio_bmap = 0xff; |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3774 | adapter->phy.link_speed = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3775 | adapter->if_handle = -1; |
| 3776 | adapter->be3_native = false; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 3777 | adapter->if_flags = 0; |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3778 | if (be_physfn(adapter)) |
| 3779 | adapter->cmd_privileges = MAX_PRIVILEGES; |
| 3780 | else |
| 3781 | adapter->cmd_privileges = MIN_PRIVILEGES; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3782 | } |
| 3783 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3784 | static int be_get_sriov_config(struct be_adapter *adapter) |
| 3785 | { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3786 | struct be_resources res = {0}; |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3787 | int max_vfs, old_vfs; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3788 | |
Vasundhara Volam | f285873 | 2015-03-04 00:44:33 -0500 | [diff] [blame] | 3789 | be_cmd_get_profile_config(adapter, &res, RESOURCE_LIMITS, 0); |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3790 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 3791 | /* Some old versions of BE3 FW don't report max_vfs value */ |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3792 | if (BE3_chip(adapter) && !res.max_vfs) { |
| 3793 | max_vfs = pci_sriov_get_totalvfs(adapter->pdev); |
| 3794 | res.max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; |
| 3795 | } |
| 3796 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3797 | adapter->pool_res = res; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3798 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 3799 | /* If during previous unload of the driver, the VFs were not disabled, |
| 3800 | * then we cannot rely on the PF POOL limits for the TotalVFs value. |
| 3801 | * Instead use the TotalVFs value stored in the pci-dev struct. |
| 3802 | */ |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3803 | old_vfs = pci_num_vf(adapter->pdev); |
| 3804 | if (old_vfs) { |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 3805 | dev_info(&adapter->pdev->dev, "%d VFs are already enabled\n", |
| 3806 | old_vfs); |
| 3807 | |
| 3808 | adapter->pool_res.max_vfs = |
| 3809 | pci_sriov_get_totalvfs(adapter->pdev); |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3810 | adapter->num_vfs = old_vfs; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3811 | } |
| 3812 | |
| 3813 | return 0; |
| 3814 | } |
| 3815 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 3816 | static void be_alloc_sriov_res(struct be_adapter *adapter) |
| 3817 | { |
| 3818 | int old_vfs = pci_num_vf(adapter->pdev); |
| 3819 | u16 num_vf_qs; |
| 3820 | int status; |
| 3821 | |
| 3822 | be_get_sriov_config(adapter); |
| 3823 | |
| 3824 | if (!old_vfs) |
| 3825 | pci_sriov_set_totalvfs(adapter->pdev, be_max_vfs(adapter)); |
| 3826 | |
| 3827 | /* When the HW is in SRIOV capable configuration, the PF-pool |
| 3828 | * resources are given to PF during driver load, if there are no |
| 3829 | * old VFs. This facility is not available in BE3 FW. |
| 3830 | * Also, this is done by FW in Lancer chip. |
| 3831 | */ |
| 3832 | if (skyhawk_chip(adapter) && be_max_vfs(adapter) && !old_vfs) { |
| 3833 | num_vf_qs = be_calculate_vf_qs(adapter, 0); |
| 3834 | status = be_cmd_set_sriov_config(adapter, adapter->pool_res, 0, |
| 3835 | num_vf_qs); |
| 3836 | if (status) |
| 3837 | dev_err(&adapter->pdev->dev, |
| 3838 | "Failed to optimize SRIOV resources\n"); |
| 3839 | } |
| 3840 | } |
| 3841 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3842 | static int be_get_resources(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3843 | { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3844 | struct device *dev = &adapter->pdev->dev; |
| 3845 | struct be_resources res = {0}; |
| 3846 | int status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3847 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3848 | if (BEx_chip(adapter)) { |
| 3849 | BEx_get_resources(adapter, &res); |
| 3850 | adapter->res = res; |
| 3851 | } |
| 3852 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3853 | /* For Lancer, SH etc read per-function resource limits from FW. |
| 3854 | * GET_FUNC_CONFIG returns per function guaranteed limits. |
| 3855 | * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits |
| 3856 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3857 | if (!BEx_chip(adapter)) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3858 | status = be_cmd_get_func_config(adapter, &res); |
| 3859 | if (status) |
| 3860 | return status; |
| 3861 | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3862 | /* If a deafault RXQ must be created, we'll use up one RSSQ*/ |
| 3863 | if (res.max_rss_qs && res.max_rss_qs == res.max_rx_qs && |
| 3864 | !(res.if_cap_flags & BE_IF_FLAGS_DEFQ_RSS)) |
| 3865 | res.max_rss_qs -= 1; |
| 3866 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3867 | /* If RoCE may be enabled stash away half the EQs for RoCE */ |
| 3868 | if (be_roce_supported(adapter)) |
| 3869 | res.max_evt_qs /= 2; |
| 3870 | adapter->res = res; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3871 | } |
| 3872 | |
Vasundhara Volam | 71bb8bd | 2015-03-04 00:44:32 -0500 | [diff] [blame] | 3873 | /* If FW supports RSS default queue, then skip creating non-RSS |
| 3874 | * queue for non-IP traffic. |
| 3875 | */ |
| 3876 | adapter->need_def_rxq = (be_if_cap_flags(adapter) & |
| 3877 | BE_IF_FLAGS_DEFQ_RSS) ? 0 : 1; |
| 3878 | |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 3879 | dev_info(dev, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n", |
| 3880 | be_max_txqs(adapter), be_max_rxqs(adapter), |
| 3881 | be_max_rss(adapter), be_max_eqs(adapter), |
| 3882 | be_max_vfs(adapter)); |
| 3883 | dev_info(dev, "Max: uc-macs %d, mc-macs %d, vlans %d\n", |
| 3884 | be_max_uc(adapter), be_max_mc(adapter), |
| 3885 | be_max_vlans(adapter)); |
| 3886 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 3887 | /* Sanitize cfg_num_qs based on HW and platform limits */ |
| 3888 | adapter->cfg_num_qs = min_t(u16, netif_get_num_default_rss_queues(), |
| 3889 | be_max_qs(adapter)); |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3890 | return 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3891 | } |
| 3892 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3893 | static int be_get_config(struct be_adapter *adapter) |
| 3894 | { |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 3895 | int status, level; |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 3896 | u16 profile_id; |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 3897 | |
| 3898 | status = be_cmd_get_cntl_attributes(adapter); |
| 3899 | if (status) |
| 3900 | return status; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3901 | |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 3902 | status = be_cmd_query_fw_cfg(adapter); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3903 | if (status) |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3904 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3905 | |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 3906 | if (BEx_chip(adapter)) { |
| 3907 | level = be_cmd_get_fw_log_level(adapter); |
| 3908 | adapter->msg_enable = |
| 3909 | level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; |
| 3910 | } |
| 3911 | |
| 3912 | be_cmd_get_acpi_wol_cap(adapter); |
| 3913 | |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 3914 | be_cmd_query_port_name(adapter); |
| 3915 | |
| 3916 | if (be_physfn(adapter)) { |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 3917 | status = be_cmd_get_active_profile(adapter, &profile_id); |
| 3918 | if (!status) |
| 3919 | dev_info(&adapter->pdev->dev, |
| 3920 | "Using profile 0x%x\n", profile_id); |
Vasundhara Volam | 962bcb7 | 2014-07-17 16:20:30 +0530 | [diff] [blame] | 3921 | } |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3922 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3923 | status = be_get_resources(adapter); |
| 3924 | if (status) |
| 3925 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3926 | |
Ravikumar Nelavelli | 46ee9c1 | 2014-03-11 18:53:06 +0530 | [diff] [blame] | 3927 | adapter->pmac_id = kcalloc(be_max_uc(adapter), |
| 3928 | sizeof(*adapter->pmac_id), GFP_KERNEL); |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3929 | if (!adapter->pmac_id) |
| 3930 | return -ENOMEM; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3931 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3932 | return 0; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3933 | } |
| 3934 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 3935 | static int be_mac_setup(struct be_adapter *adapter) |
| 3936 | { |
| 3937 | u8 mac[ETH_ALEN]; |
| 3938 | int status; |
| 3939 | |
| 3940 | if (is_zero_ether_addr(adapter->netdev->dev_addr)) { |
| 3941 | status = be_cmd_get_perm_mac(adapter, mac); |
| 3942 | if (status) |
| 3943 | return status; |
| 3944 | |
| 3945 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); |
| 3946 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); |
| 3947 | } else { |
| 3948 | /* Maybe the HW was reset; dev_addr must be re-programmed */ |
| 3949 | memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); |
| 3950 | } |
| 3951 | |
Ajit Khaparde | 2c7a9dc | 2013-11-22 12:51:28 -0600 | [diff] [blame] | 3952 | /* For BE3-R VFs, the PF programs the initial MAC address */ |
| 3953 | if (!(BEx_chip(adapter) && be_virtfn(adapter))) |
| 3954 | be_cmd_pmac_add(adapter, mac, adapter->if_handle, |
| 3955 | &adapter->pmac_id[0], 0); |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 3956 | return 0; |
| 3957 | } |
| 3958 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3959 | static void be_schedule_worker(struct be_adapter *adapter) |
| 3960 | { |
| 3961 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 3962 | adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; |
| 3963 | } |
| 3964 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 3965 | static void be_schedule_err_detection(struct be_adapter *adapter) |
| 3966 | { |
| 3967 | schedule_delayed_work(&adapter->be_err_detection_work, |
| 3968 | msecs_to_jiffies(1000)); |
| 3969 | adapter->flags |= BE_FLAGS_ERR_DETECTION_SCHEDULED; |
| 3970 | } |
| 3971 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3972 | static int be_setup_queues(struct be_adapter *adapter) |
| 3973 | { |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3974 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3975 | int status; |
| 3976 | |
| 3977 | status = be_evt_queues_create(adapter); |
| 3978 | if (status) |
| 3979 | goto err; |
| 3980 | |
| 3981 | status = be_tx_qs_create(adapter); |
| 3982 | if (status) |
| 3983 | goto err; |
| 3984 | |
| 3985 | status = be_rx_cqs_create(adapter); |
| 3986 | if (status) |
| 3987 | goto err; |
| 3988 | |
| 3989 | status = be_mcc_queues_create(adapter); |
| 3990 | if (status) |
| 3991 | goto err; |
| 3992 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3993 | status = netif_set_real_num_rx_queues(netdev, adapter->num_rx_qs); |
| 3994 | if (status) |
| 3995 | goto err; |
| 3996 | |
| 3997 | status = netif_set_real_num_tx_queues(netdev, adapter->num_tx_qs); |
| 3998 | if (status) |
| 3999 | goto err; |
| 4000 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 4001 | return 0; |
| 4002 | err: |
| 4003 | dev_err(&adapter->pdev->dev, "queue_setup failed\n"); |
| 4004 | return status; |
| 4005 | } |
| 4006 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4007 | int be_update_queues(struct be_adapter *adapter) |
| 4008 | { |
| 4009 | struct net_device *netdev = adapter->netdev; |
| 4010 | int status; |
| 4011 | |
| 4012 | if (netif_running(netdev)) |
| 4013 | be_close(netdev); |
| 4014 | |
| 4015 | be_cancel_worker(adapter); |
| 4016 | |
| 4017 | /* If any vectors have been shared with RoCE we cannot re-program |
| 4018 | * the MSIx table. |
| 4019 | */ |
| 4020 | if (!adapter->num_msix_roce_vec) |
| 4021 | be_msix_disable(adapter); |
| 4022 | |
| 4023 | be_clear_queues(adapter); |
| 4024 | |
| 4025 | if (!msix_enabled(adapter)) { |
| 4026 | status = be_msix_enable(adapter); |
| 4027 | if (status) |
| 4028 | return status; |
| 4029 | } |
| 4030 | |
| 4031 | status = be_setup_queues(adapter); |
| 4032 | if (status) |
| 4033 | return status; |
| 4034 | |
| 4035 | be_schedule_worker(adapter); |
| 4036 | |
| 4037 | if (netif_running(netdev)) |
| 4038 | status = be_open(netdev); |
| 4039 | |
| 4040 | return status; |
| 4041 | } |
| 4042 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 4043 | static inline int fw_major_num(const char *fw_ver) |
| 4044 | { |
| 4045 | int fw_major = 0, i; |
| 4046 | |
| 4047 | i = sscanf(fw_ver, "%d.", &fw_major); |
| 4048 | if (i != 1) |
| 4049 | return 0; |
| 4050 | |
| 4051 | return fw_major; |
| 4052 | } |
| 4053 | |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 4054 | /* If any VFs are already enabled don't FLR the PF */ |
| 4055 | static bool be_reset_required(struct be_adapter *adapter) |
| 4056 | { |
| 4057 | return pci_num_vf(adapter->pdev) ? false : true; |
| 4058 | } |
| 4059 | |
| 4060 | /* Wait for the FW to be ready and perform the required initialization */ |
| 4061 | static int be_func_init(struct be_adapter *adapter) |
| 4062 | { |
| 4063 | int status; |
| 4064 | |
| 4065 | status = be_fw_wait_ready(adapter); |
| 4066 | if (status) |
| 4067 | return status; |
| 4068 | |
| 4069 | if (be_reset_required(adapter)) { |
| 4070 | status = be_cmd_reset_function(adapter); |
| 4071 | if (status) |
| 4072 | return status; |
| 4073 | |
| 4074 | /* Wait for interrupts to quiesce after an FLR */ |
| 4075 | msleep(100); |
| 4076 | |
| 4077 | /* We can clear all errors when function reset succeeds */ |
| 4078 | be_clear_all_error(adapter); |
| 4079 | } |
| 4080 | |
| 4081 | /* Tell FW we're ready to fire cmds */ |
| 4082 | status = be_cmd_fw_init(adapter); |
| 4083 | if (status) |
| 4084 | return status; |
| 4085 | |
| 4086 | /* Allow interrupts for other ULPs running on NIC function */ |
| 4087 | be_intr_set(adapter, true); |
| 4088 | |
| 4089 | return 0; |
| 4090 | } |
| 4091 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4092 | static int be_setup(struct be_adapter *adapter) |
| 4093 | { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4094 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4095 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4096 | |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 4097 | status = be_func_init(adapter); |
| 4098 | if (status) |
| 4099 | return status; |
| 4100 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 4101 | be_setup_init(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4102 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4103 | if (!lancer_chip(adapter)) |
| 4104 | be_cmd_req_native_mode(adapter); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4105 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 4106 | if (!BE2_chip(adapter) && be_physfn(adapter)) |
| 4107 | be_alloc_sriov_res(adapter); |
| 4108 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4109 | status = be_get_config(adapter); |
| 4110 | if (status) |
| 4111 | goto err; |
Sathya Perla | 2dc1deb | 2011-07-19 19:52:33 +0000 | [diff] [blame] | 4112 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 4113 | status = be_msix_enable(adapter); |
| 4114 | if (status) |
| 4115 | goto err; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4116 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 4117 | status = be_if_create(adapter, &adapter->if_handle, |
| 4118 | be_if_cap_flags(adapter), 0); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4119 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4120 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4121 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4122 | /* Updating real_num_tx/rx_queues() requires rtnl_lock() */ |
| 4123 | rtnl_lock(); |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 4124 | status = be_setup_queues(adapter); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4125 | rtnl_unlock(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4126 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4127 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4128 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4129 | be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4130 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 4131 | status = be_mac_setup(adapter); |
| 4132 | if (status) |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 4133 | goto err; |
| 4134 | |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 4135 | be_cmd_get_fw_ver(adapter); |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 4136 | dev_info(dev, "FW version is %s\n", adapter->fw_ver); |
Somnath Kotur | 5a56eb1 | 2011-09-30 07:24:28 +0000 | [diff] [blame] | 4137 | |
Somnath Kotur | e9e2a90 | 2013-10-24 14:37:53 +0530 | [diff] [blame] | 4138 | if (BE2_chip(adapter) && fw_major_num(adapter->fw_ver) < 4) { |
Vasundhara Volam | 5076266 | 2014-09-12 17:39:14 +0530 | [diff] [blame] | 4139 | 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] | 4140 | adapter->fw_ver); |
| 4141 | dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); |
| 4142 | } |
| 4143 | |
Sathya Perla | 1d1e9a4 | 2012-06-05 19:37:17 +0000 | [diff] [blame] | 4144 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 4145 | be_vid_config(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4146 | |
| 4147 | be_set_rx_mode(adapter->netdev); |
| 4148 | |
Kalesh AP | 00d594c | 2015-01-20 03:51:44 -0500 | [diff] [blame] | 4149 | status = be_cmd_set_flow_control(adapter, adapter->tx_fc, |
| 4150 | adapter->rx_fc); |
| 4151 | if (status) |
| 4152 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, |
| 4153 | &adapter->rx_fc); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 4154 | |
Kalesh AP | 00d594c | 2015-01-20 03:51:44 -0500 | [diff] [blame] | 4155 | dev_info(&adapter->pdev->dev, "HW Flow control - TX:%d RX:%d\n", |
| 4156 | adapter->tx_fc, adapter->rx_fc); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4157 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 4158 | if (be_physfn(adapter)) |
| 4159 | be_cmd_set_logical_link_config(adapter, |
| 4160 | IFLA_VF_LINK_STATE_AUTO, 0); |
| 4161 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4162 | if (adapter->num_vfs) |
| 4163 | be_vf_setup(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4164 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4165 | status = be_cmd_get_phy_info(adapter); |
| 4166 | if (!status && be_pause_supported(adapter)) |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 4167 | adapter->phy.fc_autoneg = 1; |
| 4168 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4169 | be_schedule_worker(adapter); |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 4170 | adapter->flags |= BE_FLAGS_SETUP_DONE; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4171 | return 0; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4172 | err: |
| 4173 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4174 | return status; |
| 4175 | } |
| 4176 | |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4177 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 4178 | static void be_netpoll(struct net_device *netdev) |
| 4179 | { |
| 4180 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4181 | struct be_eq_obj *eqo; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4182 | int i; |
| 4183 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 4184 | for_all_evt_queues(adapter, eqo, i) { |
| 4185 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 4186 | napi_schedule(&eqo->napi); |
| 4187 | } |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4188 | } |
| 4189 | #endif |
| 4190 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4191 | static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "}; |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 4192 | |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 4193 | static bool phy_flashing_required(struct be_adapter *adapter) |
| 4194 | { |
Vasundhara Volam | e02cfd9 | 2015-01-20 03:51:48 -0500 | [diff] [blame] | 4195 | return (adapter->phy.phy_type == PHY_TYPE_TN_8022 && |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 4196 | adapter->phy.interface_type == PHY_TYPE_BASET_10GB); |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 4197 | } |
| 4198 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4199 | static bool is_comp_in_ufi(struct be_adapter *adapter, |
| 4200 | struct flash_section_info *fsec, int type) |
| 4201 | { |
| 4202 | int i = 0, img_type = 0; |
| 4203 | struct flash_section_info_g2 *fsec_g2 = NULL; |
| 4204 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4205 | if (BE2_chip(adapter)) |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4206 | fsec_g2 = (struct flash_section_info_g2 *)fsec; |
| 4207 | |
| 4208 | for (i = 0; i < MAX_FLASH_COMP; i++) { |
| 4209 | if (fsec_g2) |
| 4210 | img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type); |
| 4211 | else |
| 4212 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); |
| 4213 | |
| 4214 | if (img_type == type) |
| 4215 | return true; |
| 4216 | } |
| 4217 | return false; |
| 4218 | |
| 4219 | } |
| 4220 | |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 4221 | static struct flash_section_info *get_fsec_info(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4222 | int header_size, |
| 4223 | const struct firmware *fw) |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4224 | { |
| 4225 | struct flash_section_info *fsec = NULL; |
| 4226 | const u8 *p = fw->data; |
| 4227 | |
| 4228 | p += header_size; |
| 4229 | while (p < (fw->data + fw->size)) { |
| 4230 | fsec = (struct flash_section_info *)p; |
| 4231 | if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie))) |
| 4232 | return fsec; |
| 4233 | p += 32; |
| 4234 | } |
| 4235 | return NULL; |
| 4236 | } |
| 4237 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4238 | static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p, |
| 4239 | u32 img_offset, u32 img_size, int hdr_size, |
| 4240 | u16 img_optype, bool *crc_match) |
| 4241 | { |
| 4242 | u32 crc_offset; |
| 4243 | int status; |
| 4244 | u8 crc[4]; |
| 4245 | |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4246 | status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_offset, |
| 4247 | img_size - 4); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4248 | if (status) |
| 4249 | return status; |
| 4250 | |
| 4251 | crc_offset = hdr_size + img_offset + img_size - 4; |
| 4252 | |
| 4253 | /* Skip flashing, if crc of flashed region matches */ |
| 4254 | if (!memcmp(crc, p + crc_offset, 4)) |
| 4255 | *crc_match = true; |
| 4256 | else |
| 4257 | *crc_match = false; |
| 4258 | |
| 4259 | return status; |
| 4260 | } |
| 4261 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4262 | static int be_flash(struct be_adapter *adapter, const u8 *img, |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4263 | struct be_dma_mem *flash_cmd, int optype, int img_size, |
| 4264 | u32 img_offset) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4265 | { |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4266 | u32 flash_op, num_bytes, total_bytes = img_size, bytes_sent = 0; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4267 | struct be_cmd_write_flashrom *req = flash_cmd->va; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4268 | int status; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4269 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4270 | while (total_bytes) { |
| 4271 | num_bytes = min_t(u32, 32*1024, total_bytes); |
| 4272 | |
| 4273 | total_bytes -= num_bytes; |
| 4274 | |
| 4275 | if (!total_bytes) { |
| 4276 | if (optype == OPTYPE_PHY_FW) |
| 4277 | flash_op = FLASHROM_OPER_PHY_FLASH; |
| 4278 | else |
| 4279 | flash_op = FLASHROM_OPER_FLASH; |
| 4280 | } else { |
| 4281 | if (optype == OPTYPE_PHY_FW) |
| 4282 | flash_op = FLASHROM_OPER_PHY_SAVE; |
| 4283 | else |
| 4284 | flash_op = FLASHROM_OPER_SAVE; |
| 4285 | } |
| 4286 | |
Padmanabh Ratnakar | be71644 | 2012-10-22 23:02:44 +0000 | [diff] [blame] | 4287 | memcpy(req->data_buf, img, num_bytes); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4288 | img += num_bytes; |
| 4289 | status = be_cmd_write_flashrom(adapter, flash_cmd, optype, |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4290 | flash_op, img_offset + |
| 4291 | bytes_sent, num_bytes); |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 4292 | if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST && |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4293 | optype == OPTYPE_PHY_FW) |
| 4294 | break; |
| 4295 | else if (status) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4296 | return status; |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4297 | |
| 4298 | bytes_sent += num_bytes; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4299 | } |
| 4300 | return 0; |
| 4301 | } |
| 4302 | |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4303 | /* For BE2, BE3 and BE3-R */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4304 | static int be_flash_BEx(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4305 | const struct firmware *fw, |
| 4306 | struct be_dma_mem *flash_cmd, int num_of_images) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4307 | { |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4308 | int img_hdrs_size = (num_of_images * sizeof(struct image_hdr)); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4309 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4310 | struct flash_section_info *fsec = NULL; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4311 | int status, i, filehdr_size, num_comp; |
| 4312 | const struct flash_comp *pflashcomp; |
| 4313 | bool crc_match; |
| 4314 | const u8 *p; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4315 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4316 | struct flash_comp gen3_flash_types[] = { |
| 4317 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, OPTYPE_ISCSI_ACTIVE, |
| 4318 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_iSCSI}, |
| 4319 | { FLASH_REDBOOT_START_g3, OPTYPE_REDBOOT, |
| 4320 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3, IMAGE_BOOT_CODE}, |
| 4321 | { FLASH_iSCSI_BIOS_START_g3, OPTYPE_BIOS, |
| 4322 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_ISCSI}, |
| 4323 | { FLASH_PXE_BIOS_START_g3, OPTYPE_PXE_BIOS, |
| 4324 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_PXE}, |
| 4325 | { FLASH_FCoE_BIOS_START_g3, OPTYPE_FCOE_BIOS, |
| 4326 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_FCoE}, |
| 4327 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, OPTYPE_ISCSI_BACKUP, |
| 4328 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 4329 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, OPTYPE_FCOE_FW_ACTIVE, |
| 4330 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_FCoE}, |
| 4331 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, OPTYPE_FCOE_FW_BACKUP, |
| 4332 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_FCoE}, |
| 4333 | { FLASH_NCSI_START_g3, OPTYPE_NCSI_FW, |
| 4334 | FLASH_NCSI_IMAGE_MAX_SIZE_g3, IMAGE_NCSI}, |
| 4335 | { FLASH_PHY_FW_START_g3, OPTYPE_PHY_FW, |
| 4336 | FLASH_PHY_FW_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_PHY} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4337 | }; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4338 | |
| 4339 | struct flash_comp gen2_flash_types[] = { |
| 4340 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, OPTYPE_ISCSI_ACTIVE, |
| 4341 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_iSCSI}, |
| 4342 | { FLASH_REDBOOT_START_g2, OPTYPE_REDBOOT, |
| 4343 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2, IMAGE_BOOT_CODE}, |
| 4344 | { FLASH_iSCSI_BIOS_START_g2, OPTYPE_BIOS, |
| 4345 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_ISCSI}, |
| 4346 | { FLASH_PXE_BIOS_START_g2, OPTYPE_PXE_BIOS, |
| 4347 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_PXE}, |
| 4348 | { FLASH_FCoE_BIOS_START_g2, OPTYPE_FCOE_BIOS, |
| 4349 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_FCoE}, |
| 4350 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, OPTYPE_ISCSI_BACKUP, |
| 4351 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 4352 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, OPTYPE_FCOE_FW_ACTIVE, |
| 4353 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_FCoE}, |
| 4354 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, OPTYPE_FCOE_FW_BACKUP, |
| 4355 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_FCoE} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4356 | }; |
| 4357 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4358 | if (BE3_chip(adapter)) { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4359 | pflashcomp = gen3_flash_types; |
| 4360 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 4361 | num_comp = ARRAY_SIZE(gen3_flash_types); |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4362 | } else { |
| 4363 | pflashcomp = gen2_flash_types; |
| 4364 | filehdr_size = sizeof(struct flash_file_hdr_g2); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 4365 | num_comp = ARRAY_SIZE(gen2_flash_types); |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4366 | img_hdrs_size = 0; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4367 | } |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4368 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4369 | /* Get flash section info*/ |
| 4370 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 4371 | if (!fsec) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4372 | dev_err(dev, "Invalid Cookie. FW image may be corrupted\n"); |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4373 | return -1; |
| 4374 | } |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 4375 | for (i = 0; i < num_comp; i++) { |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4376 | if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type)) |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 4377 | continue; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4378 | |
| 4379 | if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) && |
| 4380 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) |
| 4381 | continue; |
| 4382 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4383 | if (pflashcomp[i].optype == OPTYPE_PHY_FW && |
| 4384 | !phy_flashing_required(adapter)) |
| 4385 | continue; |
| 4386 | |
| 4387 | if (pflashcomp[i].optype == OPTYPE_REDBOOT) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4388 | status = be_check_flash_crc(adapter, fw->data, |
| 4389 | pflashcomp[i].offset, |
| 4390 | pflashcomp[i].size, |
| 4391 | filehdr_size + |
| 4392 | img_hdrs_size, |
| 4393 | OPTYPE_REDBOOT, &crc_match); |
| 4394 | if (status) { |
| 4395 | dev_err(dev, |
| 4396 | "Could not get CRC for 0x%x region\n", |
| 4397 | pflashcomp[i].optype); |
| 4398 | continue; |
| 4399 | } |
| 4400 | |
| 4401 | if (crc_match) |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 4402 | continue; |
| 4403 | } |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4404 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4405 | p = fw->data + filehdr_size + pflashcomp[i].offset + |
| 4406 | img_hdrs_size; |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 4407 | if (p + pflashcomp[i].size > fw->data + fw->size) |
| 4408 | return -1; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4409 | |
| 4410 | status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype, |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4411 | pflashcomp[i].size, 0); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4412 | if (status) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4413 | dev_err(dev, "Flashing section type 0x%x failed\n", |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4414 | pflashcomp[i].img_type); |
| 4415 | return status; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4416 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4417 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4418 | return 0; |
| 4419 | } |
| 4420 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4421 | static u16 be_get_img_optype(struct flash_section_entry fsec_entry) |
| 4422 | { |
| 4423 | u32 img_type = le32_to_cpu(fsec_entry.type); |
| 4424 | u16 img_optype = le16_to_cpu(fsec_entry.optype); |
| 4425 | |
| 4426 | if (img_optype != 0xFFFF) |
| 4427 | return img_optype; |
| 4428 | |
| 4429 | switch (img_type) { |
| 4430 | case IMAGE_FIRMWARE_iSCSI: |
| 4431 | img_optype = OPTYPE_ISCSI_ACTIVE; |
| 4432 | break; |
| 4433 | case IMAGE_BOOT_CODE: |
| 4434 | img_optype = OPTYPE_REDBOOT; |
| 4435 | break; |
| 4436 | case IMAGE_OPTION_ROM_ISCSI: |
| 4437 | img_optype = OPTYPE_BIOS; |
| 4438 | break; |
| 4439 | case IMAGE_OPTION_ROM_PXE: |
| 4440 | img_optype = OPTYPE_PXE_BIOS; |
| 4441 | break; |
| 4442 | case IMAGE_OPTION_ROM_FCoE: |
| 4443 | img_optype = OPTYPE_FCOE_BIOS; |
| 4444 | break; |
| 4445 | case IMAGE_FIRMWARE_BACKUP_iSCSI: |
| 4446 | img_optype = OPTYPE_ISCSI_BACKUP; |
| 4447 | break; |
| 4448 | case IMAGE_NCSI: |
| 4449 | img_optype = OPTYPE_NCSI_FW; |
| 4450 | break; |
| 4451 | case IMAGE_FLASHISM_JUMPVECTOR: |
| 4452 | img_optype = OPTYPE_FLASHISM_JUMPVECTOR; |
| 4453 | break; |
| 4454 | case IMAGE_FIRMWARE_PHY: |
| 4455 | img_optype = OPTYPE_SH_PHY_FW; |
| 4456 | break; |
| 4457 | case IMAGE_REDBOOT_DIR: |
| 4458 | img_optype = OPTYPE_REDBOOT_DIR; |
| 4459 | break; |
| 4460 | case IMAGE_REDBOOT_CONFIG: |
| 4461 | img_optype = OPTYPE_REDBOOT_CONFIG; |
| 4462 | break; |
| 4463 | case IMAGE_UFI_DIR: |
| 4464 | img_optype = OPTYPE_UFI_DIR; |
| 4465 | break; |
| 4466 | default: |
| 4467 | break; |
| 4468 | } |
| 4469 | |
| 4470 | return img_optype; |
| 4471 | } |
| 4472 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4473 | static int be_flash_skyhawk(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4474 | const struct firmware *fw, |
| 4475 | struct be_dma_mem *flash_cmd, int num_of_images) |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4476 | { |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4477 | int img_hdrs_size = num_of_images * sizeof(struct image_hdr); |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4478 | bool crc_match, old_fw_img, flash_offset_support = true; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4479 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4480 | struct flash_section_info *fsec = NULL; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4481 | u32 img_offset, img_size, img_type; |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4482 | u16 img_optype, flash_optype; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4483 | int status, i, filehdr_size; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4484 | const u8 *p; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4485 | |
| 4486 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
| 4487 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 4488 | if (!fsec) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4489 | dev_err(dev, "Invalid Cookie. FW image may be corrupted\n"); |
Kalesh AP | 56ace3a | 2014-07-17 16:20:20 +0530 | [diff] [blame] | 4490 | return -EINVAL; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4491 | } |
| 4492 | |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4493 | retry_flash: |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4494 | for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) { |
| 4495 | img_offset = le32_to_cpu(fsec->fsec_entry[i].offset); |
| 4496 | img_size = le32_to_cpu(fsec->fsec_entry[i].pad_size); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4497 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); |
| 4498 | img_optype = be_get_img_optype(fsec->fsec_entry[i]); |
| 4499 | old_fw_img = fsec->fsec_entry[i].optype == 0xFFFF; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4500 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4501 | if (img_optype == 0xFFFF) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4502 | continue; |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4503 | |
| 4504 | if (flash_offset_support) |
| 4505 | flash_optype = OPTYPE_OFFSET_SPECIFIED; |
| 4506 | else |
| 4507 | flash_optype = img_optype; |
| 4508 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4509 | /* Don't bother verifying CRC if an old FW image is being |
| 4510 | * flashed |
| 4511 | */ |
| 4512 | if (old_fw_img) |
| 4513 | goto flash; |
| 4514 | |
| 4515 | status = be_check_flash_crc(adapter, fw->data, img_offset, |
| 4516 | img_size, filehdr_size + |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4517 | img_hdrs_size, flash_optype, |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4518 | &crc_match); |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 4519 | if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST || |
| 4520 | base_status(status) == MCC_STATUS_ILLEGAL_FIELD) { |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4521 | /* The current FW image on the card does not support |
| 4522 | * OFFSET based flashing. Retry using older mechanism |
| 4523 | * of OPTYPE based flashing |
| 4524 | */ |
| 4525 | if (flash_optype == OPTYPE_OFFSET_SPECIFIED) { |
| 4526 | flash_offset_support = false; |
| 4527 | goto retry_flash; |
| 4528 | } |
| 4529 | |
| 4530 | /* The current FW image on the card does not recognize |
| 4531 | * the new FLASH op_type. The FW download is partially |
| 4532 | * complete. Reboot the server now to enable FW image |
| 4533 | * to recognize the new FLASH op_type. To complete the |
| 4534 | * remaining process, download the same FW again after |
| 4535 | * the reboot. |
| 4536 | */ |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4537 | dev_err(dev, "Flash incomplete. Reset the server\n"); |
| 4538 | dev_err(dev, "Download FW image again after reset\n"); |
| 4539 | return -EAGAIN; |
| 4540 | } else if (status) { |
| 4541 | dev_err(dev, "Could not get CRC for 0x%x region\n", |
| 4542 | img_optype); |
| 4543 | return -EFAULT; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4544 | } |
| 4545 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4546 | if (crc_match) |
| 4547 | continue; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4548 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4549 | flash: |
| 4550 | p = fw->data + filehdr_size + img_offset + img_hdrs_size; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4551 | if (p + img_size > fw->data + fw->size) |
| 4552 | return -1; |
| 4553 | |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4554 | status = be_flash(adapter, p, flash_cmd, flash_optype, img_size, |
| 4555 | img_offset); |
| 4556 | |
| 4557 | /* The current FW image on the card does not support OFFSET |
| 4558 | * based flashing. Retry using older mechanism of OPTYPE based |
| 4559 | * flashing |
| 4560 | */ |
| 4561 | if (base_status(status) == MCC_STATUS_ILLEGAL_FIELD && |
| 4562 | flash_optype == OPTYPE_OFFSET_SPECIFIED) { |
| 4563 | flash_offset_support = false; |
| 4564 | goto retry_flash; |
| 4565 | } |
| 4566 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4567 | /* For old FW images ignore ILLEGAL_FIELD error or errors on |
| 4568 | * UFI_DIR region |
| 4569 | */ |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 4570 | if (old_fw_img && |
| 4571 | (base_status(status) == MCC_STATUS_ILLEGAL_FIELD || |
| 4572 | (img_optype == OPTYPE_UFI_DIR && |
| 4573 | base_status(status) == MCC_STATUS_FAILED))) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4574 | continue; |
| 4575 | } else if (status) { |
| 4576 | dev_err(dev, "Flashing section type 0x%x failed\n", |
| 4577 | img_type); |
| 4578 | return -EFAULT; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4579 | } |
| 4580 | } |
| 4581 | return 0; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4582 | } |
| 4583 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4584 | static int lancer_fw_download(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4585 | const struct firmware *fw) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4586 | { |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4587 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) |
| 4588 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4589 | struct device *dev = &adapter->pdev->dev; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4590 | struct be_dma_mem flash_cmd; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4591 | const u8 *data_ptr = NULL; |
| 4592 | u8 *dest_image_ptr = NULL; |
| 4593 | size_t image_size = 0; |
| 4594 | u32 chunk_size = 0; |
| 4595 | u32 data_written = 0; |
| 4596 | u32 offset = 0; |
| 4597 | int status = 0; |
| 4598 | u8 add_status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4599 | u8 change_status; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4600 | |
| 4601 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4602 | dev_err(dev, "FW image size should be multiple of 4\n"); |
Kalesh AP | 3fb8cb8 | 2014-09-02 09:56:52 +0530 | [diff] [blame] | 4603 | return -EINVAL; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4604 | } |
| 4605 | |
| 4606 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) |
| 4607 | + LANCER_FW_DOWNLOAD_CHUNK; |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4608 | flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, |
Joe Perches | d0320f7 | 2013-03-14 13:07:21 +0000 | [diff] [blame] | 4609 | &flash_cmd.dma, GFP_KERNEL); |
Kalesh AP | 3fb8cb8 | 2014-09-02 09:56:52 +0530 | [diff] [blame] | 4610 | if (!flash_cmd.va) |
| 4611 | return -ENOMEM; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4612 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4613 | dest_image_ptr = flash_cmd.va + |
| 4614 | sizeof(struct lancer_cmd_req_write_object); |
| 4615 | image_size = fw->size; |
| 4616 | data_ptr = fw->data; |
| 4617 | |
| 4618 | while (image_size) { |
| 4619 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); |
| 4620 | |
| 4621 | /* Copy the image chunk content. */ |
| 4622 | memcpy(dest_image_ptr, data_ptr, chunk_size); |
| 4623 | |
| 4624 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4625 | chunk_size, offset, |
| 4626 | LANCER_FW_DOWNLOAD_LOCATION, |
| 4627 | &data_written, &change_status, |
| 4628 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4629 | if (status) |
| 4630 | break; |
| 4631 | |
| 4632 | offset += data_written; |
| 4633 | data_ptr += data_written; |
| 4634 | image_size -= data_written; |
| 4635 | } |
| 4636 | |
| 4637 | if (!status) { |
| 4638 | /* Commit the FW written */ |
| 4639 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4640 | 0, offset, |
| 4641 | LANCER_FW_DOWNLOAD_LOCATION, |
| 4642 | &data_written, &change_status, |
| 4643 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4644 | } |
| 4645 | |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4646 | dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4647 | if (status) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4648 | dev_err(dev, "Firmware load error\n"); |
Kalesh AP | 3fb8cb8 | 2014-09-02 09:56:52 +0530 | [diff] [blame] | 4649 | return be_cmd_status(status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4650 | } |
| 4651 | |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4652 | dev_info(dev, "Firmware flashed successfully\n"); |
| 4653 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4654 | if (change_status == LANCER_FW_RESET_NEEDED) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4655 | dev_info(dev, "Resetting adapter to activate new FW\n"); |
Somnath Kotur | 5c51081 | 2013-05-30 02:52:23 +0000 | [diff] [blame] | 4656 | status = lancer_physdev_ctrl(adapter, |
| 4657 | PHYSDEV_CONTROL_FW_RESET_MASK); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4658 | if (status) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4659 | dev_err(dev, "Adapter busy, could not reset FW\n"); |
| 4660 | dev_err(dev, "Reboot server to activate new FW\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4661 | } |
| 4662 | } else if (change_status != LANCER_NO_RESET_NEEDED) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4663 | dev_info(dev, "Reboot server to activate new FW\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4664 | } |
Kalesh AP | 3fb8cb8 | 2014-09-02 09:56:52 +0530 | [diff] [blame] | 4665 | |
| 4666 | return 0; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4667 | } |
| 4668 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4669 | #define BE2_UFI 2 |
| 4670 | #define BE3_UFI 3 |
| 4671 | #define BE3R_UFI 10 |
| 4672 | #define SH_UFI 4 |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4673 | #define SH_P2_UFI 11 |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4674 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4675 | static int be_get_ufi_type(struct be_adapter *adapter, |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4676 | struct flash_file_hdr_g3 *fhdr) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4677 | { |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4678 | if (!fhdr) { |
| 4679 | dev_err(&adapter->pdev->dev, "Invalid FW UFI file"); |
| 4680 | return -1; |
| 4681 | } |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4682 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4683 | /* First letter of the build version is used to identify |
| 4684 | * which chip this image file is meant for. |
| 4685 | */ |
| 4686 | switch (fhdr->build[0]) { |
| 4687 | case BLD_STR_UFI_TYPE_SH: |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4688 | return (fhdr->asic_type_rev == ASIC_REV_P2) ? SH_P2_UFI : |
| 4689 | SH_UFI; |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4690 | case BLD_STR_UFI_TYPE_BE3: |
| 4691 | return (fhdr->asic_type_rev == ASIC_REV_B0) ? BE3R_UFI : |
| 4692 | BE3_UFI; |
| 4693 | case BLD_STR_UFI_TYPE_BE2: |
| 4694 | return BE2_UFI; |
| 4695 | default: |
| 4696 | return -1; |
| 4697 | } |
| 4698 | } |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4699 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4700 | /* Check if the flash image file is compatible with the adapter that |
| 4701 | * is being flashed. |
| 4702 | * BE3 chips with asic-rev B0 must be flashed only with BE3R_UFI type. |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4703 | * Skyhawk chips with asic-rev P2 must be flashed only with SH_P2_UFI type. |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4704 | */ |
| 4705 | static bool be_check_ufi_compatibility(struct be_adapter *adapter, |
| 4706 | struct flash_file_hdr_g3 *fhdr) |
| 4707 | { |
| 4708 | int ufi_type = be_get_ufi_type(adapter, fhdr); |
| 4709 | |
| 4710 | switch (ufi_type) { |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4711 | case SH_P2_UFI: |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4712 | return skyhawk_chip(adapter); |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4713 | case SH_UFI: |
| 4714 | return (skyhawk_chip(adapter) && |
| 4715 | adapter->asic_rev < ASIC_REV_P2); |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4716 | case BE3R_UFI: |
| 4717 | return BE3_chip(adapter); |
| 4718 | case BE3_UFI: |
| 4719 | return (BE3_chip(adapter) && adapter->asic_rev < ASIC_REV_B0); |
| 4720 | case BE2_UFI: |
| 4721 | return BE2_chip(adapter); |
| 4722 | default: |
| 4723 | return false; |
| 4724 | } |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4725 | } |
| 4726 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4727 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) |
| 4728 | { |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4729 | struct device *dev = &adapter->pdev->dev; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4730 | struct flash_file_hdr_g3 *fhdr3; |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4731 | struct image_hdr *img_hdr_ptr; |
| 4732 | int status = 0, i, num_imgs; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4733 | struct be_dma_mem flash_cmd; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4734 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4735 | fhdr3 = (struct flash_file_hdr_g3 *)fw->data; |
| 4736 | if (!be_check_ufi_compatibility(adapter, fhdr3)) { |
| 4737 | dev_err(dev, "Flash image is not compatible with adapter\n"); |
| 4738 | return -EINVAL; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4739 | } |
| 4740 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4741 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom); |
| 4742 | flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma, |
| 4743 | GFP_KERNEL); |
| 4744 | if (!flash_cmd.va) |
| 4745 | return -ENOMEM; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4746 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4747 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
| 4748 | for (i = 0; i < num_imgs; i++) { |
| 4749 | img_hdr_ptr = (struct image_hdr *)(fw->data + |
| 4750 | (sizeof(struct flash_file_hdr_g3) + |
| 4751 | i * sizeof(struct image_hdr))); |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4752 | if (!BE2_chip(adapter) && |
| 4753 | le32_to_cpu(img_hdr_ptr->imageid) != 1) |
| 4754 | continue; |
| 4755 | |
| 4756 | if (skyhawk_chip(adapter)) |
| 4757 | status = be_flash_skyhawk(adapter, fw, &flash_cmd, |
| 4758 | num_imgs); |
| 4759 | else |
| 4760 | status = be_flash_BEx(adapter, fw, &flash_cmd, |
| 4761 | num_imgs); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4762 | } |
| 4763 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4764 | dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma); |
| 4765 | if (!status) |
| 4766 | dev_info(dev, "Firmware flashed successfully\n"); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4767 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4768 | return status; |
| 4769 | } |
| 4770 | |
| 4771 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) |
| 4772 | { |
| 4773 | const struct firmware *fw; |
| 4774 | int status; |
| 4775 | |
| 4776 | if (!netif_running(adapter->netdev)) { |
| 4777 | dev_err(&adapter->pdev->dev, |
| 4778 | "Firmware load not allowed (interface is down)\n"); |
Kalesh AP | 940a3fc | 2014-07-17 16:20:19 +0530 | [diff] [blame] | 4779 | return -ENETDOWN; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4780 | } |
| 4781 | |
| 4782 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); |
| 4783 | if (status) |
| 4784 | goto fw_exit; |
| 4785 | |
| 4786 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
| 4787 | |
| 4788 | if (lancer_chip(adapter)) |
| 4789 | status = lancer_fw_download(adapter, fw); |
| 4790 | else |
| 4791 | status = be_fw_download(adapter, fw); |
| 4792 | |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 4793 | if (!status) |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 4794 | be_cmd_get_fw_ver(adapter); |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 4795 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4796 | fw_exit: |
| 4797 | release_firmware(fw); |
| 4798 | return status; |
| 4799 | } |
| 4800 | |
Roopa Prabhu | add511b | 2015-01-29 22:40:12 -0800 | [diff] [blame] | 4801 | static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, |
| 4802 | u16 flags) |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4803 | { |
| 4804 | struct be_adapter *adapter = netdev_priv(dev); |
| 4805 | struct nlattr *attr, *br_spec; |
| 4806 | int rem; |
| 4807 | int status = 0; |
| 4808 | u16 mode = 0; |
| 4809 | |
| 4810 | if (!sriov_enabled(adapter)) |
| 4811 | return -EOPNOTSUPP; |
| 4812 | |
| 4813 | br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
Thomas Graf | 4ea85e8 | 2014-11-26 13:42:18 +0100 | [diff] [blame] | 4814 | if (!br_spec) |
| 4815 | return -EINVAL; |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4816 | |
| 4817 | nla_for_each_nested(attr, br_spec, rem) { |
| 4818 | if (nla_type(attr) != IFLA_BRIDGE_MODE) |
| 4819 | continue; |
| 4820 | |
Thomas Graf | b7c1a31 | 2014-11-26 13:42:17 +0100 | [diff] [blame] | 4821 | if (nla_len(attr) < sizeof(mode)) |
| 4822 | return -EINVAL; |
| 4823 | |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4824 | mode = nla_get_u16(attr); |
| 4825 | if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) |
| 4826 | return -EINVAL; |
| 4827 | |
| 4828 | status = be_cmd_set_hsw_config(adapter, 0, 0, |
| 4829 | adapter->if_handle, |
| 4830 | mode == BRIDGE_MODE_VEPA ? |
| 4831 | PORT_FWD_TYPE_VEPA : |
| 4832 | PORT_FWD_TYPE_VEB); |
| 4833 | if (status) |
| 4834 | goto err; |
| 4835 | |
| 4836 | dev_info(&adapter->pdev->dev, "enabled switch mode: %s\n", |
| 4837 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); |
| 4838 | |
| 4839 | return status; |
| 4840 | } |
| 4841 | err: |
| 4842 | dev_err(&adapter->pdev->dev, "Failed to set switch mode %s\n", |
| 4843 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); |
| 4844 | |
| 4845 | return status; |
| 4846 | } |
| 4847 | |
| 4848 | 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] | 4849 | struct net_device *dev, u32 filter_mask, |
| 4850 | int nlflags) |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4851 | { |
| 4852 | struct be_adapter *adapter = netdev_priv(dev); |
| 4853 | int status = 0; |
| 4854 | u8 hsw_mode; |
| 4855 | |
| 4856 | if (!sriov_enabled(adapter)) |
| 4857 | return 0; |
| 4858 | |
| 4859 | /* BE and Lancer chips support VEB mode only */ |
| 4860 | if (BEx_chip(adapter) || lancer_chip(adapter)) { |
| 4861 | hsw_mode = PORT_FWD_TYPE_VEB; |
| 4862 | } else { |
| 4863 | status = be_cmd_get_hsw_config(adapter, NULL, 0, |
| 4864 | adapter->if_handle, &hsw_mode); |
| 4865 | if (status) |
| 4866 | return 0; |
| 4867 | } |
| 4868 | |
| 4869 | return ndo_dflt_bridge_getlink(skb, pid, seq, dev, |
| 4870 | hsw_mode == PORT_FWD_TYPE_VEPA ? |
Scott Feldman | 2c3c031 | 2014-11-28 14:34:25 +0100 | [diff] [blame] | 4871 | BRIDGE_MODE_VEPA : BRIDGE_MODE_VEB, |
Nicolas Dichtel | 46c264d | 2015-04-28 18:33:49 +0200 | [diff] [blame] | 4872 | 0, 0, nlflags); |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4873 | } |
| 4874 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4875 | #ifdef CONFIG_BE2NET_VXLAN |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4876 | /* VxLAN offload Notes: |
| 4877 | * |
| 4878 | * The stack defines tunnel offload flags (hw_enc_features) for IP and doesn't |
| 4879 | * distinguish various types of transports (VxLAN, GRE, NVGRE ..). So, offload |
| 4880 | * is expected to work across all types of IP tunnels once exported. Skyhawk |
| 4881 | * supports offloads for either VxLAN or NVGRE, exclusively. So we export VxLAN |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 4882 | * offloads in hw_enc_features only when a VxLAN port is added. If other (non |
| 4883 | * VxLAN) tunnels are configured while VxLAN offloads are enabled, offloads for |
| 4884 | * those other tunnels are unexported on the fly through ndo_features_check(). |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4885 | * |
| 4886 | * Skyhawk supports VxLAN offloads only for one UDP dport. So, if the stack |
| 4887 | * adds more than one port, disable offloads and don't re-enable them again |
| 4888 | * until after all the tunnels are removed. |
| 4889 | */ |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4890 | static void be_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family, |
| 4891 | __be16 port) |
| 4892 | { |
| 4893 | struct be_adapter *adapter = netdev_priv(netdev); |
| 4894 | struct device *dev = &adapter->pdev->dev; |
| 4895 | int status; |
| 4896 | |
| 4897 | if (lancer_chip(adapter) || BEx_chip(adapter)) |
| 4898 | return; |
| 4899 | |
| 4900 | if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) { |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4901 | dev_info(dev, |
| 4902 | "Only one UDP port supported for VxLAN offloads\n"); |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4903 | dev_info(dev, "Disabling VxLAN offloads\n"); |
| 4904 | adapter->vxlan_port_count++; |
| 4905 | goto err; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4906 | } |
| 4907 | |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4908 | if (adapter->vxlan_port_count++ >= 1) |
| 4909 | return; |
| 4910 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4911 | status = be_cmd_manage_iface(adapter, adapter->if_handle, |
| 4912 | OP_CONVERT_NORMAL_TO_TUNNEL); |
| 4913 | if (status) { |
| 4914 | dev_warn(dev, "Failed to convert normal interface to tunnel\n"); |
| 4915 | goto err; |
| 4916 | } |
| 4917 | |
| 4918 | status = be_cmd_set_vxlan_port(adapter, port); |
| 4919 | if (status) { |
| 4920 | dev_warn(dev, "Failed to add VxLAN port\n"); |
| 4921 | goto err; |
| 4922 | } |
| 4923 | adapter->flags |= BE_FLAGS_VXLAN_OFFLOADS; |
| 4924 | adapter->vxlan_port = port; |
| 4925 | |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4926 | netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
| 4927 | NETIF_F_TSO | NETIF_F_TSO6 | |
| 4928 | NETIF_F_GSO_UDP_TUNNEL; |
| 4929 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; |
Sriharsha Basavapatna | ac9a3d8 | 2014-12-19 10:00:18 +0530 | [diff] [blame] | 4930 | netdev->features |= NETIF_F_GSO_UDP_TUNNEL; |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4931 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4932 | dev_info(dev, "Enabled VxLAN offloads for UDP port %d\n", |
| 4933 | be16_to_cpu(port)); |
| 4934 | return; |
| 4935 | err: |
| 4936 | be_disable_vxlan_offloads(adapter); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4937 | } |
| 4938 | |
| 4939 | static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, |
| 4940 | __be16 port) |
| 4941 | { |
| 4942 | struct be_adapter *adapter = netdev_priv(netdev); |
| 4943 | |
| 4944 | if (lancer_chip(adapter) || BEx_chip(adapter)) |
| 4945 | return; |
| 4946 | |
| 4947 | if (adapter->vxlan_port != port) |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4948 | goto done; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4949 | |
| 4950 | be_disable_vxlan_offloads(adapter); |
| 4951 | |
| 4952 | dev_info(&adapter->pdev->dev, |
| 4953 | "Disabled VxLAN offloads for UDP port %d\n", |
| 4954 | be16_to_cpu(port)); |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4955 | done: |
| 4956 | adapter->vxlan_port_count--; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4957 | } |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 4958 | |
Jesse Gross | 5f35227 | 2014-12-23 22:37:26 -0800 | [diff] [blame] | 4959 | static netdev_features_t be_features_check(struct sk_buff *skb, |
| 4960 | struct net_device *dev, |
| 4961 | netdev_features_t features) |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 4962 | { |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 4963 | struct be_adapter *adapter = netdev_priv(dev); |
| 4964 | u8 l4_hdr = 0; |
| 4965 | |
| 4966 | /* The code below restricts offload features for some tunneled packets. |
| 4967 | * Offload features for normal (non tunnel) packets are unchanged. |
| 4968 | */ |
| 4969 | if (!skb->encapsulation || |
| 4970 | !(adapter->flags & BE_FLAGS_VXLAN_OFFLOADS)) |
| 4971 | return features; |
| 4972 | |
| 4973 | /* It's an encapsulated packet and VxLAN offloads are enabled. We |
| 4974 | * should disable tunnel offload features if it's not a VxLAN packet, |
| 4975 | * as tunnel offloads have been enabled only for VxLAN. This is done to |
| 4976 | * allow other tunneled traffic like GRE work fine while VxLAN |
| 4977 | * offloads are configured in Skyhawk-R. |
| 4978 | */ |
| 4979 | switch (vlan_get_protocol(skb)) { |
| 4980 | case htons(ETH_P_IP): |
| 4981 | l4_hdr = ip_hdr(skb)->protocol; |
| 4982 | break; |
| 4983 | case htons(ETH_P_IPV6): |
| 4984 | l4_hdr = ipv6_hdr(skb)->nexthdr; |
| 4985 | break; |
| 4986 | default: |
| 4987 | return features; |
| 4988 | } |
| 4989 | |
| 4990 | if (l4_hdr != IPPROTO_UDP || |
| 4991 | skb->inner_protocol_type != ENCAP_TYPE_ETHER || |
| 4992 | skb->inner_protocol != htons(ETH_P_TEB) || |
| 4993 | skb_inner_mac_header(skb) - skb_transport_header(skb) != |
| 4994 | sizeof(struct udphdr) + sizeof(struct vxlanhdr)) |
| 4995 | return features & ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK); |
| 4996 | |
| 4997 | return features; |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 4998 | } |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4999 | #endif |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5000 | |
stephen hemminger | e5686ad | 2012-01-05 19:10:25 +0000 | [diff] [blame] | 5001 | static const struct net_device_ops be_netdev_ops = { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5002 | .ndo_open = be_open, |
| 5003 | .ndo_stop = be_close, |
| 5004 | .ndo_start_xmit = be_xmit, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 5005 | .ndo_set_rx_mode = be_set_rx_mode, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5006 | .ndo_set_mac_address = be_mac_addr_set, |
| 5007 | .ndo_change_mtu = be_change_mtu, |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 5008 | .ndo_get_stats64 = be_get_stats64, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5009 | .ndo_validate_addr = eth_validate_addr, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5010 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
| 5011 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 5012 | .ndo_set_vf_mac = be_set_vf_mac, |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 5013 | .ndo_set_vf_vlan = be_set_vf_vlan, |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 5014 | .ndo_set_vf_rate = be_set_vf_tx_rate, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 5015 | .ndo_get_vf_config = be_get_vf_config, |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 5016 | .ndo_set_vf_link_state = be_set_vf_link_state, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 5017 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 5018 | .ndo_poll_controller = be_netpoll, |
| 5019 | #endif |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 5020 | .ndo_bridge_setlink = be_ndo_bridge_setlink, |
| 5021 | .ndo_bridge_getlink = be_ndo_bridge_getlink, |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 5022 | #ifdef CONFIG_NET_RX_BUSY_POLL |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5023 | .ndo_busy_poll = be_busy_poll, |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 5024 | #endif |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 5025 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 5026 | .ndo_add_vxlan_port = be_add_vxlan_port, |
| 5027 | .ndo_del_vxlan_port = be_del_vxlan_port, |
Jesse Gross | 5f35227 | 2014-12-23 22:37:26 -0800 | [diff] [blame] | 5028 | .ndo_features_check = be_features_check, |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 5029 | #endif |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5030 | }; |
| 5031 | |
| 5032 | static void be_netdev_init(struct net_device *netdev) |
| 5033 | { |
| 5034 | struct be_adapter *adapter = netdev_priv(netdev); |
| 5035 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 5036 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 5037 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 5038 | NETIF_F_HW_VLAN_CTAG_TX; |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 5039 | if (be_multi_rxq(adapter)) |
| 5040 | netdev->hw_features |= NETIF_F_RXHASH; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 5041 | |
| 5042 | netdev->features |= netdev->hw_features | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 5043 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 5044 | |
Padmanabh Ratnakar | eb8a50d | 2011-06-11 15:58:46 -0700 | [diff] [blame] | 5045 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 5046 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
Ajit Khaparde | 51c5987 | 2009-11-29 17:54:54 +0000 | [diff] [blame] | 5047 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 5048 | netdev->priv_flags |= IFF_UNICAST_FLT; |
| 5049 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5050 | netdev->flags |= IFF_MULTICAST; |
| 5051 | |
Sarveshwar Bandi | b7e5887 | 2012-06-13 19:51:43 +0000 | [diff] [blame] | 5052 | netif_set_gso_max_size(netdev, 65535 - ETH_HLEN); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 5053 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 5054 | netdev->netdev_ops = &be_netdev_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5055 | |
Wilfried Klaebe | 7ad24ea | 2014-05-11 00:12:32 +0000 | [diff] [blame] | 5056 | netdev->ethtool_ops = &be_ethtool_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5057 | } |
| 5058 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 5059 | static void be_cleanup(struct be_adapter *adapter) |
| 5060 | { |
| 5061 | struct net_device *netdev = adapter->netdev; |
| 5062 | |
| 5063 | rtnl_lock(); |
| 5064 | netif_device_detach(netdev); |
| 5065 | if (netif_running(netdev)) |
| 5066 | be_close(netdev); |
| 5067 | rtnl_unlock(); |
| 5068 | |
| 5069 | be_clear(adapter); |
| 5070 | } |
| 5071 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5072 | static int be_resume(struct be_adapter *adapter) |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5073 | { |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5074 | struct net_device *netdev = adapter->netdev; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5075 | int status; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5076 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5077 | status = be_setup(adapter); |
| 5078 | if (status) |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5079 | return status; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5080 | |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5081 | if (netif_running(netdev)) { |
| 5082 | status = be_open(netdev); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5083 | if (status) |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5084 | return status; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5085 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5086 | |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5087 | netif_device_attach(netdev); |
| 5088 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5089 | return 0; |
| 5090 | } |
| 5091 | |
| 5092 | static int be_err_recover(struct be_adapter *adapter) |
| 5093 | { |
| 5094 | struct device *dev = &adapter->pdev->dev; |
| 5095 | int status; |
| 5096 | |
| 5097 | status = be_resume(adapter); |
| 5098 | if (status) |
| 5099 | goto err; |
| 5100 | |
Sathya Perla | 9fa465c | 2015-02-23 04:20:13 -0500 | [diff] [blame] | 5101 | dev_info(dev, "Adapter recovery successful\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5102 | return 0; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5103 | err: |
Sathya Perla | 9fa465c | 2015-02-23 04:20:13 -0500 | [diff] [blame] | 5104 | if (be_physfn(adapter)) |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 5105 | dev_err(dev, "Adapter recovery failed\n"); |
Sathya Perla | 9fa465c | 2015-02-23 04:20:13 -0500 | [diff] [blame] | 5106 | else |
| 5107 | dev_err(dev, "Re-trying adapter recovery\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5108 | |
| 5109 | return status; |
| 5110 | } |
| 5111 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5112 | static void be_err_detection_task(struct work_struct *work) |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5113 | { |
| 5114 | struct be_adapter *adapter = |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5115 | container_of(work, struct be_adapter, |
| 5116 | be_err_detection_work.work); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5117 | int status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5118 | |
| 5119 | be_detect_error(adapter); |
| 5120 | |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5121 | if (adapter->hw_error) { |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 5122 | be_cleanup(adapter); |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5123 | |
| 5124 | /* As of now error recovery support is in Lancer only */ |
| 5125 | if (lancer_chip(adapter)) |
| 5126 | status = be_err_recover(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5127 | } |
| 5128 | |
Sathya Perla | 9fa465c | 2015-02-23 04:20:13 -0500 | [diff] [blame] | 5129 | /* Always attempt recovery on VFs */ |
| 5130 | if (!status || be_virtfn(adapter)) |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5131 | be_schedule_err_detection(adapter); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5132 | } |
| 5133 | |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5134 | static void be_log_sfp_info(struct be_adapter *adapter) |
| 5135 | { |
| 5136 | int status; |
| 5137 | |
| 5138 | status = be_cmd_query_sfp_info(adapter); |
| 5139 | if (!status) { |
| 5140 | dev_err(&adapter->pdev->dev, |
| 5141 | "Unqualified SFP+ detected on %c from %s part no: %s", |
| 5142 | adapter->port_name, adapter->phy.vendor_name, |
| 5143 | adapter->phy.vendor_pn); |
| 5144 | } |
| 5145 | adapter->flags &= ~BE_FLAGS_EVT_INCOMPATIBLE_SFP; |
| 5146 | } |
| 5147 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5148 | static void be_worker(struct work_struct *work) |
| 5149 | { |
| 5150 | struct be_adapter *adapter = |
| 5151 | container_of(work, struct be_adapter, work.work); |
| 5152 | struct be_rx_obj *rxo; |
| 5153 | int i; |
| 5154 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5155 | /* when interrupts are not yet enabled, just reap any pending |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5156 | * mcc completions |
| 5157 | */ |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5158 | if (!netif_running(adapter->netdev)) { |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 5159 | local_bh_disable(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 5160 | be_process_mcc(adapter); |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 5161 | local_bh_enable(); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5162 | goto reschedule; |
| 5163 | } |
| 5164 | |
| 5165 | if (!adapter->stats_cmd_sent) { |
| 5166 | if (lancer_chip(adapter)) |
| 5167 | lancer_cmd_get_pport_stats(adapter, |
Kalesh AP | cd3307aa | 2014-09-19 15:47:02 +0530 | [diff] [blame] | 5168 | &adapter->stats_cmd); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5169 | else |
| 5170 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
| 5171 | } |
| 5172 | |
Vasundhara Volam | d696b5e | 2013-08-06 09:27:16 +0530 | [diff] [blame] | 5173 | if (be_physfn(adapter) && |
| 5174 | MODULO(adapter->work_counter, adapter->be_get_temp_freq) == 0) |
Padmanabh Ratnakar | 7aeb215 | 2012-07-12 03:56:46 +0000 | [diff] [blame] | 5175 | be_cmd_get_die_temperature(adapter); |
| 5176 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5177 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 5178 | /* Replenish RX-queues starved due to memory |
| 5179 | * allocation failures. |
| 5180 | */ |
| 5181 | if (rxo->rx_post_starved) |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 5182 | be_post_rx_frags(rxo, GFP_KERNEL, MAX_RX_POST); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5183 | } |
| 5184 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 5185 | be_eqd_update(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 5186 | |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5187 | if (adapter->flags & BE_FLAGS_EVT_INCOMPATIBLE_SFP) |
| 5188 | be_log_sfp_info(adapter); |
| 5189 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5190 | reschedule: |
| 5191 | adapter->work_counter++; |
| 5192 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 5193 | } |
| 5194 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5195 | static void be_unmap_pci_bars(struct be_adapter *adapter) |
| 5196 | { |
| 5197 | if (adapter->csr) |
| 5198 | pci_iounmap(adapter->pdev, adapter->csr); |
| 5199 | if (adapter->db) |
| 5200 | pci_iounmap(adapter->pdev, adapter->db); |
| 5201 | } |
| 5202 | |
| 5203 | static int db_bar(struct be_adapter *adapter) |
| 5204 | { |
| 5205 | if (lancer_chip(adapter) || !be_physfn(adapter)) |
| 5206 | return 0; |
| 5207 | else |
| 5208 | return 4; |
| 5209 | } |
| 5210 | |
| 5211 | static int be_roce_map_pci_bars(struct be_adapter *adapter) |
| 5212 | { |
| 5213 | if (skyhawk_chip(adapter)) { |
| 5214 | adapter->roce_db.size = 4096; |
| 5215 | adapter->roce_db.io_addr = pci_resource_start(adapter->pdev, |
| 5216 | db_bar(adapter)); |
| 5217 | adapter->roce_db.total_size = pci_resource_len(adapter->pdev, |
| 5218 | db_bar(adapter)); |
| 5219 | } |
| 5220 | return 0; |
| 5221 | } |
| 5222 | |
| 5223 | static int be_map_pci_bars(struct be_adapter *adapter) |
| 5224 | { |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5225 | struct pci_dev *pdev = adapter->pdev; |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5226 | u8 __iomem *addr; |
| 5227 | u32 sli_intf; |
| 5228 | |
| 5229 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 5230 | adapter->sli_family = (sli_intf & SLI_INTF_FAMILY_MASK) >> |
| 5231 | SLI_INTF_FAMILY_SHIFT; |
| 5232 | adapter->virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; |
| 5233 | |
| 5234 | if (BEx_chip(adapter) && be_physfn(adapter)) { |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5235 | adapter->csr = pci_iomap(pdev, 2, 0); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5236 | if (!adapter->csr) |
| 5237 | return -ENOMEM; |
| 5238 | } |
| 5239 | |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5240 | addr = pci_iomap(pdev, db_bar(adapter), 0); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5241 | if (!addr) |
| 5242 | goto pci_map_err; |
| 5243 | adapter->db = addr; |
| 5244 | |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5245 | if (skyhawk_chip(adapter) || BEx_chip(adapter)) { |
| 5246 | if (be_physfn(adapter)) { |
| 5247 | /* PCICFG is the 2nd BAR in BE2 */ |
| 5248 | addr = pci_iomap(pdev, BE2_chip(adapter) ? 1 : 0, 0); |
| 5249 | if (!addr) |
| 5250 | goto pci_map_err; |
| 5251 | adapter->pcicfg = addr; |
| 5252 | } else { |
| 5253 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; |
| 5254 | } |
| 5255 | } |
| 5256 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5257 | be_roce_map_pci_bars(adapter); |
| 5258 | return 0; |
| 5259 | |
| 5260 | pci_map_err: |
David S. Miller | 0fa74a4 | 2015-03-20 18:51:09 -0400 | [diff] [blame] | 5261 | dev_err(&pdev->dev, "Error in mapping PCI BARs\n"); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5262 | be_unmap_pci_bars(adapter); |
| 5263 | return -ENOMEM; |
| 5264 | } |
| 5265 | |
| 5266 | static void be_drv_cleanup(struct be_adapter *adapter) |
| 5267 | { |
| 5268 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
| 5269 | struct device *dev = &adapter->pdev->dev; |
| 5270 | |
| 5271 | if (mem->va) |
| 5272 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5273 | |
| 5274 | mem = &adapter->rx_filter; |
| 5275 | if (mem->va) |
| 5276 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5277 | |
| 5278 | mem = &adapter->stats_cmd; |
| 5279 | if (mem->va) |
| 5280 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5281 | } |
| 5282 | |
| 5283 | /* Allocate and initialize various fields in be_adapter struct */ |
| 5284 | static int be_drv_init(struct be_adapter *adapter) |
| 5285 | { |
| 5286 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
| 5287 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; |
| 5288 | struct be_dma_mem *rx_filter = &adapter->rx_filter; |
| 5289 | struct be_dma_mem *stats_cmd = &adapter->stats_cmd; |
| 5290 | struct device *dev = &adapter->pdev->dev; |
| 5291 | int status = 0; |
| 5292 | |
| 5293 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; |
| 5294 | mbox_mem_alloc->va = dma_alloc_coherent(dev, mbox_mem_alloc->size, |
| 5295 | &mbox_mem_alloc->dma, |
| 5296 | GFP_KERNEL); |
| 5297 | if (!mbox_mem_alloc->va) |
| 5298 | return -ENOMEM; |
| 5299 | |
| 5300 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
| 5301 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); |
| 5302 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); |
| 5303 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); |
| 5304 | |
| 5305 | rx_filter->size = sizeof(struct be_cmd_req_rx_filter); |
| 5306 | rx_filter->va = dma_zalloc_coherent(dev, rx_filter->size, |
| 5307 | &rx_filter->dma, GFP_KERNEL); |
| 5308 | if (!rx_filter->va) { |
| 5309 | status = -ENOMEM; |
| 5310 | goto free_mbox; |
| 5311 | } |
| 5312 | |
| 5313 | if (lancer_chip(adapter)) |
| 5314 | stats_cmd->size = sizeof(struct lancer_cmd_req_pport_stats); |
| 5315 | else if (BE2_chip(adapter)) |
| 5316 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
| 5317 | else if (BE3_chip(adapter)) |
| 5318 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v1); |
| 5319 | else |
| 5320 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v2); |
| 5321 | stats_cmd->va = dma_zalloc_coherent(dev, stats_cmd->size, |
| 5322 | &stats_cmd->dma, GFP_KERNEL); |
| 5323 | if (!stats_cmd->va) { |
| 5324 | status = -ENOMEM; |
| 5325 | goto free_rx_filter; |
| 5326 | } |
| 5327 | |
| 5328 | mutex_init(&adapter->mbox_lock); |
| 5329 | spin_lock_init(&adapter->mcc_lock); |
| 5330 | spin_lock_init(&adapter->mcc_cq_lock); |
| 5331 | init_completion(&adapter->et_cmd_compl); |
| 5332 | |
| 5333 | pci_save_state(adapter->pdev); |
| 5334 | |
| 5335 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5336 | INIT_DELAYED_WORK(&adapter->be_err_detection_work, |
| 5337 | be_err_detection_task); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5338 | |
| 5339 | adapter->rx_fc = true; |
| 5340 | adapter->tx_fc = true; |
| 5341 | |
| 5342 | /* Must be a power of 2 or else MODULO will BUG_ON */ |
| 5343 | adapter->be_get_temp_freq = 64; |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5344 | |
| 5345 | return 0; |
| 5346 | |
| 5347 | free_rx_filter: |
| 5348 | dma_free_coherent(dev, rx_filter->size, rx_filter->va, rx_filter->dma); |
| 5349 | free_mbox: |
| 5350 | dma_free_coherent(dev, mbox_mem_alloc->size, mbox_mem_alloc->va, |
| 5351 | mbox_mem_alloc->dma); |
| 5352 | return status; |
| 5353 | } |
| 5354 | |
| 5355 | static void be_remove(struct pci_dev *pdev) |
| 5356 | { |
| 5357 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5358 | |
| 5359 | if (!adapter) |
| 5360 | return; |
| 5361 | |
| 5362 | be_roce_dev_remove(adapter); |
| 5363 | be_intr_set(adapter, false); |
| 5364 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5365 | be_cancel_err_detection(adapter); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5366 | |
| 5367 | unregister_netdev(adapter->netdev); |
| 5368 | |
| 5369 | be_clear(adapter); |
| 5370 | |
| 5371 | /* tell fw we're done with firing cmds */ |
| 5372 | be_cmd_fw_clean(adapter); |
| 5373 | |
| 5374 | be_unmap_pci_bars(adapter); |
| 5375 | be_drv_cleanup(adapter); |
| 5376 | |
| 5377 | pci_disable_pcie_error_reporting(pdev); |
| 5378 | |
| 5379 | pci_release_regions(pdev); |
| 5380 | pci_disable_device(pdev); |
| 5381 | |
| 5382 | free_netdev(adapter->netdev); |
| 5383 | } |
| 5384 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5385 | static char *mc_name(struct be_adapter *adapter) |
| 5386 | { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 5387 | char *str = ""; /* default */ |
| 5388 | |
| 5389 | switch (adapter->mc_type) { |
| 5390 | case UMC: |
| 5391 | str = "UMC"; |
| 5392 | break; |
| 5393 | case FLEX10: |
| 5394 | str = "FLEX10"; |
| 5395 | break; |
| 5396 | case vNIC1: |
| 5397 | str = "vNIC-1"; |
| 5398 | break; |
| 5399 | case nPAR: |
| 5400 | str = "nPAR"; |
| 5401 | break; |
| 5402 | case UFP: |
| 5403 | str = "UFP"; |
| 5404 | break; |
| 5405 | case vNIC2: |
| 5406 | str = "vNIC-2"; |
| 5407 | break; |
| 5408 | default: |
| 5409 | str = ""; |
| 5410 | } |
| 5411 | |
| 5412 | return str; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5413 | } |
| 5414 | |
| 5415 | static inline char *func_name(struct be_adapter *adapter) |
| 5416 | { |
| 5417 | return be_physfn(adapter) ? "PF" : "VF"; |
| 5418 | } |
| 5419 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 5420 | static inline char *nic_name(struct pci_dev *pdev) |
| 5421 | { |
| 5422 | switch (pdev->device) { |
| 5423 | case OC_DEVICE_ID1: |
| 5424 | return OC_NAME; |
| 5425 | case OC_DEVICE_ID2: |
| 5426 | return OC_NAME_BE; |
| 5427 | case OC_DEVICE_ID3: |
| 5428 | case OC_DEVICE_ID4: |
| 5429 | return OC_NAME_LANCER; |
| 5430 | case BE_DEVICE_ID2: |
| 5431 | return BE3_NAME; |
| 5432 | case OC_DEVICE_ID5: |
| 5433 | case OC_DEVICE_ID6: |
| 5434 | return OC_NAME_SH; |
| 5435 | default: |
| 5436 | return BE_NAME; |
| 5437 | } |
| 5438 | } |
| 5439 | |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 5440 | 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] | 5441 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5442 | struct be_adapter *adapter; |
| 5443 | struct net_device *netdev; |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5444 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5445 | |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 5446 | dev_info(&pdev->dev, "%s version is %s\n", DRV_NAME, DRV_VER); |
| 5447 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5448 | status = pci_enable_device(pdev); |
| 5449 | if (status) |
| 5450 | goto do_none; |
| 5451 | |
| 5452 | status = pci_request_regions(pdev, DRV_NAME); |
| 5453 | if (status) |
| 5454 | goto disable_dev; |
| 5455 | pci_set_master(pdev); |
| 5456 | |
Sathya Perla | 7f64006 | 2012-06-05 19:37:20 +0000 | [diff] [blame] | 5457 | netdev = alloc_etherdev_mqs(sizeof(*adapter), MAX_TX_QS, MAX_RX_QS); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 5458 | if (!netdev) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5459 | status = -ENOMEM; |
| 5460 | goto rel_reg; |
| 5461 | } |
| 5462 | adapter = netdev_priv(netdev); |
| 5463 | adapter->pdev = pdev; |
| 5464 | pci_set_drvdata(pdev, adapter); |
| 5465 | adapter->netdev = netdev; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 5466 | SET_NETDEV_DEV(netdev, &pdev->dev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5467 | |
Russell King | 4c15c24 | 2013-06-26 23:49:11 +0100 | [diff] [blame] | 5468 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5469 | if (!status) { |
| 5470 | netdev->features |= NETIF_F_HIGHDMA; |
| 5471 | } else { |
Russell King | 4c15c24 | 2013-06-26 23:49:11 +0100 | [diff] [blame] | 5472 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5473 | if (status) { |
| 5474 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); |
| 5475 | goto free_netdev; |
| 5476 | } |
| 5477 | } |
| 5478 | |
Kalesh AP | 2f951a9 | 2014-09-12 17:39:21 +0530 | [diff] [blame] | 5479 | status = pci_enable_pcie_error_reporting(pdev); |
| 5480 | if (!status) |
| 5481 | dev_info(&pdev->dev, "PCIe error reporting enabled\n"); |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 5482 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5483 | status = be_map_pci_bars(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5484 | if (status) |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 5485 | goto free_netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5486 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5487 | status = be_drv_init(adapter); |
| 5488 | if (status) |
| 5489 | goto unmap_bars; |
| 5490 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5491 | status = be_setup(adapter); |
| 5492 | if (status) |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5493 | goto drv_cleanup; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 5494 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 5495 | be_netdev_init(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5496 | status = register_netdev(netdev); |
| 5497 | if (status != 0) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5498 | goto unsetup; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5499 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 5500 | be_roce_dev_add(adapter); |
| 5501 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5502 | be_schedule_err_detection(adapter); |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 5503 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5504 | 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] | 5505 | func_name(adapter), mc_name(adapter), adapter->port_name); |
Somnath Kotur | 34b1ef0 | 2011-06-01 00:33:22 +0000 | [diff] [blame] | 5506 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5507 | return 0; |
| 5508 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5509 | unsetup: |
| 5510 | be_clear(adapter); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5511 | drv_cleanup: |
| 5512 | be_drv_cleanup(adapter); |
| 5513 | unmap_bars: |
| 5514 | be_unmap_pci_bars(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 5515 | free_netdev: |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 5516 | free_netdev(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5517 | rel_reg: |
| 5518 | pci_release_regions(pdev); |
| 5519 | disable_dev: |
| 5520 | pci_disable_device(pdev); |
| 5521 | do_none: |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 5522 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5523 | return status; |
| 5524 | } |
| 5525 | |
| 5526 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) |
| 5527 | { |
| 5528 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5529 | |
Suresh Reddy | 76a9e08 | 2014-01-15 13:23:40 +0530 | [diff] [blame] | 5530 | if (adapter->wol_en) |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 5531 | be_setup_wol(adapter, true); |
| 5532 | |
Ajit Khaparde | d4360d6 | 2013-11-22 12:51:09 -0600 | [diff] [blame] | 5533 | be_intr_set(adapter, false); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5534 | be_cancel_err_detection(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5535 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 5536 | be_cleanup(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5537 | |
| 5538 | pci_save_state(pdev); |
| 5539 | pci_disable_device(pdev); |
| 5540 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 5541 | return 0; |
| 5542 | } |
| 5543 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5544 | static int be_pci_resume(struct pci_dev *pdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5545 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5546 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5547 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5548 | |
| 5549 | status = pci_enable_device(pdev); |
| 5550 | if (status) |
| 5551 | return status; |
| 5552 | |
Yijing Wang | 1ca0151 | 2013-06-27 20:53:42 +0800 | [diff] [blame] | 5553 | pci_set_power_state(pdev, PCI_D0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5554 | pci_restore_state(pdev); |
| 5555 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5556 | status = be_resume(adapter); |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 5557 | if (status) |
| 5558 | return status; |
| 5559 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5560 | be_schedule_err_detection(adapter); |
| 5561 | |
Suresh Reddy | 76a9e08 | 2014-01-15 13:23:40 +0530 | [diff] [blame] | 5562 | if (adapter->wol_en) |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 5563 | be_setup_wol(adapter, false); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 5564 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5565 | return 0; |
| 5566 | } |
| 5567 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5568 | /* |
| 5569 | * An FLR will stop BE from DMAing any data. |
| 5570 | */ |
| 5571 | static void be_shutdown(struct pci_dev *pdev) |
| 5572 | { |
| 5573 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5574 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 5575 | if (!adapter) |
| 5576 | return; |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5577 | |
Devesh Sharma | d114f99 | 2014-06-10 19:32:15 +0530 | [diff] [blame] | 5578 | be_roce_dev_shutdown(adapter); |
Sathya Perla | 0f4a682 | 2011-03-21 20:49:28 +0000 | [diff] [blame] | 5579 | cancel_delayed_work_sync(&adapter->work); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5580 | be_cancel_err_detection(adapter); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 5581 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 5582 | netif_device_detach(adapter->netdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5583 | |
Ajit Khaparde | 5784186 | 2011-04-06 18:08:43 +0000 | [diff] [blame] | 5584 | be_cmd_reset_function(adapter); |
| 5585 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5586 | pci_disable_device(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5587 | } |
| 5588 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5589 | 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] | 5590 | pci_channel_state_t state) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5591 | { |
| 5592 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5593 | |
| 5594 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); |
| 5595 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5596 | if (!adapter->eeh_error) { |
| 5597 | adapter->eeh_error = true; |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5598 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5599 | be_cancel_err_detection(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5600 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 5601 | be_cleanup(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5602 | } |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5603 | |
| 5604 | if (state == pci_channel_io_perm_failure) |
| 5605 | return PCI_ERS_RESULT_DISCONNECT; |
| 5606 | |
| 5607 | pci_disable_device(pdev); |
| 5608 | |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 5609 | /* The error could cause the FW to trigger a flash debug dump. |
| 5610 | * Resetting the card while flash dump is in progress |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 5611 | * can cause it not to recover; wait for it to finish. |
| 5612 | * Wait only for first function as it is needed only once per |
| 5613 | * adapter. |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 5614 | */ |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 5615 | if (pdev->devfn == 0) |
| 5616 | ssleep(30); |
| 5617 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5618 | return PCI_ERS_RESULT_NEED_RESET; |
| 5619 | } |
| 5620 | |
| 5621 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) |
| 5622 | { |
| 5623 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5624 | int status; |
| 5625 | |
| 5626 | dev_info(&adapter->pdev->dev, "EEH reset\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5627 | |
| 5628 | status = pci_enable_device(pdev); |
| 5629 | if (status) |
| 5630 | return PCI_ERS_RESULT_DISCONNECT; |
| 5631 | |
| 5632 | pci_set_master(pdev); |
Yijing Wang | 1ca0151 | 2013-06-27 20:53:42 +0800 | [diff] [blame] | 5633 | pci_set_power_state(pdev, PCI_D0); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5634 | pci_restore_state(pdev); |
| 5635 | |
| 5636 | /* Check if card is ok and fw is ready */ |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 5637 | dev_info(&adapter->pdev->dev, |
| 5638 | "Waiting for FW to be ready after EEH reset\n"); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 5639 | status = be_fw_wait_ready(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5640 | if (status) |
| 5641 | return PCI_ERS_RESULT_DISCONNECT; |
| 5642 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 5643 | pci_cleanup_aer_uncorrect_error_status(pdev); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5644 | be_clear_all_error(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5645 | return PCI_ERS_RESULT_RECOVERED; |
| 5646 | } |
| 5647 | |
| 5648 | static void be_eeh_resume(struct pci_dev *pdev) |
| 5649 | { |
| 5650 | int status = 0; |
| 5651 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5652 | |
| 5653 | dev_info(&adapter->pdev->dev, "EEH resume\n"); |
| 5654 | |
| 5655 | pci_save_state(pdev); |
| 5656 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5657 | status = be_resume(adapter); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 5658 | if (status) |
| 5659 | goto err; |
| 5660 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5661 | be_schedule_err_detection(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5662 | return; |
| 5663 | err: |
| 5664 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5665 | } |
| 5666 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 5667 | static int be_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) |
| 5668 | { |
| 5669 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5670 | u16 num_vf_qs; |
| 5671 | int status; |
| 5672 | |
| 5673 | if (!num_vfs) |
| 5674 | be_vf_clear(adapter); |
| 5675 | |
| 5676 | adapter->num_vfs = num_vfs; |
| 5677 | |
| 5678 | if (adapter->num_vfs == 0 && pci_vfs_assigned(pdev)) { |
| 5679 | dev_warn(&pdev->dev, |
| 5680 | "Cannot disable VFs while they are assigned\n"); |
| 5681 | return -EBUSY; |
| 5682 | } |
| 5683 | |
| 5684 | /* When the HW is in SRIOV capable configuration, the PF-pool resources |
| 5685 | * are equally distributed across the max-number of VFs. The user may |
| 5686 | * request only a subset of the max-vfs to be enabled. |
| 5687 | * Based on num_vfs, redistribute the resources across num_vfs so that |
| 5688 | * each VF will have access to more number of resources. |
| 5689 | * This facility is not available in BE3 FW. |
| 5690 | * Also, this is done by FW in Lancer chip. |
| 5691 | */ |
| 5692 | if (skyhawk_chip(adapter) && !pci_num_vf(pdev)) { |
| 5693 | num_vf_qs = be_calculate_vf_qs(adapter, adapter->num_vfs); |
| 5694 | status = be_cmd_set_sriov_config(adapter, adapter->pool_res, |
| 5695 | adapter->num_vfs, num_vf_qs); |
| 5696 | if (status) |
| 5697 | dev_err(&pdev->dev, |
| 5698 | "Failed to optimize SR-IOV resources\n"); |
| 5699 | } |
| 5700 | |
| 5701 | status = be_get_resources(adapter); |
| 5702 | if (status) |
| 5703 | return be_cmd_status(status); |
| 5704 | |
| 5705 | /* Updating real_num_tx/rx_queues() requires rtnl_lock() */ |
| 5706 | rtnl_lock(); |
| 5707 | status = be_update_queues(adapter); |
| 5708 | rtnl_unlock(); |
| 5709 | if (status) |
| 5710 | return be_cmd_status(status); |
| 5711 | |
| 5712 | if (adapter->num_vfs) |
| 5713 | status = be_vf_setup(adapter); |
| 5714 | |
| 5715 | if (!status) |
| 5716 | return adapter->num_vfs; |
| 5717 | |
| 5718 | return 0; |
| 5719 | } |
| 5720 | |
Stephen Hemminger | 3646f0e | 2012-09-07 09:33:15 -0700 | [diff] [blame] | 5721 | static const struct pci_error_handlers be_eeh_handlers = { |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5722 | .error_detected = be_eeh_err_detected, |
| 5723 | .slot_reset = be_eeh_reset, |
| 5724 | .resume = be_eeh_resume, |
| 5725 | }; |
| 5726 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5727 | static struct pci_driver be_driver = { |
| 5728 | .name = DRV_NAME, |
| 5729 | .id_table = be_dev_ids, |
| 5730 | .probe = be_probe, |
| 5731 | .remove = be_remove, |
| 5732 | .suspend = be_suspend, |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5733 | .resume = be_pci_resume, |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5734 | .shutdown = be_shutdown, |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 5735 | .sriov_configure = be_pci_sriov_configure, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5736 | .err_handler = &be_eeh_handlers |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5737 | }; |
| 5738 | |
| 5739 | static int __init be_init_module(void) |
| 5740 | { |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 5741 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
| 5742 | rx_frag_size != 2048) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5743 | printk(KERN_WARNING DRV_NAME |
| 5744 | " : Module param rx_frag_size must be 2048/4096/8192." |
| 5745 | " Using 2048\n"); |
| 5746 | rx_frag_size = 2048; |
| 5747 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5748 | |
Vasundhara Volam | ace40af | 2015-03-04 00:44:34 -0500 | [diff] [blame] | 5749 | if (num_vfs > 0) { |
| 5750 | pr_info(DRV_NAME " : Module param num_vfs is obsolete."); |
| 5751 | pr_info(DRV_NAME " : Use sysfs method to enable VFs\n"); |
| 5752 | } |
| 5753 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5754 | return pci_register_driver(&be_driver); |
| 5755 | } |
| 5756 | module_init(be_init_module); |
| 5757 | |
| 5758 | static void __exit be_exit_module(void) |
| 5759 | { |
| 5760 | pci_unregister_driver(&be_driver); |
| 5761 | } |
| 5762 | module_exit(be_exit_module); |