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 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 33 | static unsigned int num_vfs; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 34 | module_param(num_vfs, uint, S_IRUGO); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 35 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 36 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 37 | static ushort rx_frag_size = 2048; |
| 38 | module_param(rx_frag_size, ushort, S_IRUGO); |
| 39 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
| 40 | |
Benoit Taine | 9baa3c3 | 2014-08-08 15:56:03 +0200 | [diff] [blame] | 41 | static const struct pci_device_id be_dev_ids[] = { |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 42 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
Ajit Khaparde | 59fd5d8 | 2009-10-29 01:11:06 -0700 | [diff] [blame] | 43 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 44 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
| 45 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 46 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
Mammatha Edhala | 12f4d0a | 2011-05-18 03:26:22 +0000 | [diff] [blame] | 47 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, |
Ajit Khaparde | ecedb6a | 2011-12-15 06:31:38 +0000 | [diff] [blame] | 48 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID5)}, |
Padmanabh Ratnakar | 76b7353 | 2012-10-20 06:04:40 +0000 | [diff] [blame] | 49 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID6)}, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 50 | { 0 } |
| 51 | }; |
| 52 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 53 | /* UE Status Low CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 54 | static const char * const ue_status_low_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 55 | "CEV", |
| 56 | "CTX", |
| 57 | "DBUF", |
| 58 | "ERX", |
| 59 | "Host", |
| 60 | "MPU", |
| 61 | "NDMA", |
| 62 | "PTC ", |
| 63 | "RDMA ", |
| 64 | "RXF ", |
| 65 | "RXIPS ", |
| 66 | "RXULP0 ", |
| 67 | "RXULP1 ", |
| 68 | "RXULP2 ", |
| 69 | "TIM ", |
| 70 | "TPOST ", |
| 71 | "TPRE ", |
| 72 | "TXIPS ", |
| 73 | "TXULP0 ", |
| 74 | "TXULP1 ", |
| 75 | "UC ", |
| 76 | "WDMA ", |
| 77 | "TXULP2 ", |
| 78 | "HOST1 ", |
| 79 | "P0_OB_LINK ", |
| 80 | "P1_OB_LINK ", |
| 81 | "HOST_GPIO ", |
| 82 | "MBOX ", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 83 | "ERX2 ", |
| 84 | "SPARE ", |
| 85 | "JTAG ", |
| 86 | "MPU_INTPEND " |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 87 | }; |
Kalesh AP | e2fb1af | 2014-09-19 15:46:58 +0530 | [diff] [blame] | 88 | |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 89 | /* UE Status High CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 90 | static const char * const ue_status_hi_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 91 | "LPCMEMHOST", |
| 92 | "MGMT_MAC", |
| 93 | "PCS0ONLINE", |
| 94 | "MPU_IRAM", |
| 95 | "PCS1ONLINE", |
| 96 | "PCTL0", |
| 97 | "PCTL1", |
| 98 | "PMEM", |
| 99 | "RR", |
| 100 | "TXPB", |
| 101 | "RXPP", |
| 102 | "XAUI", |
| 103 | "TXP", |
| 104 | "ARM", |
| 105 | "IPC", |
| 106 | "HOST2", |
| 107 | "HOST3", |
| 108 | "HOST4", |
| 109 | "HOST5", |
| 110 | "HOST6", |
| 111 | "HOST7", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 112 | "ECRC", |
| 113 | "Poison TLP", |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 114 | "NETC", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 115 | "PERIPH", |
| 116 | "LLTXULP", |
| 117 | "D2P", |
| 118 | "RCON", |
| 119 | "LDMA", |
| 120 | "LLTXP", |
| 121 | "LLTXPB", |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 122 | "Unknown" |
| 123 | }; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 124 | |
| 125 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
| 126 | { |
| 127 | struct be_dma_mem *mem = &q->dma_mem; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 128 | |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 129 | if (mem->va) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 130 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 131 | mem->dma); |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 132 | mem->va = NULL; |
| 133 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | 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] | 137 | u16 len, u16 entry_size) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 138 | { |
| 139 | struct be_dma_mem *mem = &q->dma_mem; |
| 140 | |
| 141 | memset(q, 0, sizeof(*q)); |
| 142 | q->len = len; |
| 143 | q->entry_size = entry_size; |
| 144 | mem->size = len * entry_size; |
Joe Perches | ede23fa | 2013-08-26 22:45:23 -0700 | [diff] [blame] | 145 | mem->va = dma_zalloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
| 146 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 147 | if (!mem->va) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 148 | return -ENOMEM; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 149 | return 0; |
| 150 | } |
| 151 | |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 152 | static void be_reg_intr_set(struct be_adapter *adapter, bool enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 153 | { |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 154 | u32 reg, enabled; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 155 | |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 156 | pci_read_config_dword(adapter->pdev, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 157 | ®); |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 158 | enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
| 159 | |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 160 | if (!enabled && enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 161 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 162 | else if (enabled && !enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 163 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 164 | else |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 165 | return; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 166 | |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 167 | pci_write_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 168 | PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, reg); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 169 | } |
| 170 | |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 171 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
| 172 | { |
| 173 | int status = 0; |
| 174 | |
| 175 | /* On lancer interrupts can't be controlled via this register */ |
| 176 | if (lancer_chip(adapter)) |
| 177 | return; |
| 178 | |
| 179 | if (adapter->eeh_error) |
| 180 | return; |
| 181 | |
| 182 | status = be_cmd_intr_set(adapter, enable); |
| 183 | if (status) |
| 184 | be_reg_intr_set(adapter, enable); |
| 185 | } |
| 186 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 187 | 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] | 188 | { |
| 189 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 190 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 191 | val |= qid & DB_RQ_RING_ID_MASK; |
| 192 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 193 | |
| 194 | wmb(); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 195 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 196 | } |
| 197 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 198 | static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 199 | u16 posted) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 200 | { |
| 201 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 202 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 203 | val |= txo->q.id & DB_TXULP_RING_ID_MASK; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 204 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 205 | |
| 206 | wmb(); |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 207 | iowrite32(val, adapter->db + txo->db_offset); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 208 | } |
| 209 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 210 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 211 | bool arm, bool clear_int, u16 num_popped) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 212 | { |
| 213 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 214 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 215 | val |= qid & DB_EQ_RING_ID_MASK; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 216 | 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] | 217 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 218 | if (adapter->eeh_error) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 219 | return; |
| 220 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 221 | if (arm) |
| 222 | val |= 1 << DB_EQ_REARM_SHIFT; |
| 223 | if (clear_int) |
| 224 | val |= 1 << DB_EQ_CLR_SHIFT; |
| 225 | val |= 1 << DB_EQ_EVNT_SHIFT; |
| 226 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 227 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 228 | } |
| 229 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 230 | 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] | 231 | { |
| 232 | u32 val = 0; |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 233 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 234 | val |= qid & DB_CQ_RING_ID_MASK; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 235 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
| 236 | DB_CQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 237 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 238 | if (adapter->eeh_error) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 239 | return; |
| 240 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 241 | if (arm) |
| 242 | val |= 1 << DB_CQ_REARM_SHIFT; |
| 243 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 244 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 245 | } |
| 246 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 247 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
| 248 | { |
| 249 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 250 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 251 | struct sockaddr *addr = p; |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 252 | int status; |
| 253 | u8 mac[ETH_ALEN]; |
| 254 | u32 old_pmac_id = adapter->pmac_id[0], curr_pmac_id = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 255 | |
Ajit Khaparde | ca9e498 | 2009-11-29 17:56:26 +0000 | [diff] [blame] | 256 | if (!is_valid_ether_addr(addr->sa_data)) |
| 257 | return -EADDRNOTAVAIL; |
| 258 | |
Vasundhara Volam | ff32f8a | 2014-01-15 13:23:35 +0530 | [diff] [blame] | 259 | /* Proceed further only if, User provided MAC is different |
| 260 | * from active MAC |
| 261 | */ |
| 262 | if (ether_addr_equal(addr->sa_data, netdev->dev_addr)) |
| 263 | return 0; |
| 264 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 265 | /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT |
| 266 | * privilege or if PF did not provision the new MAC address. |
| 267 | * On BE3, this cmd will always fail if the VF doesn't have the |
| 268 | * FILTMGMT privilege. This failure is OK, only if the PF programmed |
| 269 | * the MAC for the VF. |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 270 | */ |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 271 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
| 272 | adapter->if_handle, &adapter->pmac_id[0], 0); |
| 273 | if (!status) { |
| 274 | curr_pmac_id = adapter->pmac_id[0]; |
| 275 | |
| 276 | /* Delete the old programmed MAC. This call may fail if the |
| 277 | * old MAC was already deleted by the PF driver. |
| 278 | */ |
| 279 | if (adapter->pmac_id[0] != old_pmac_id) |
| 280 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 281 | old_pmac_id, 0); |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 282 | } |
| 283 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 284 | /* Decide if the new MAC is successfully activated only after |
| 285 | * querying the FW |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 286 | */ |
Suresh Reddy | b188f09 | 2014-01-15 13:23:39 +0530 | [diff] [blame] | 287 | status = be_cmd_get_active_mac(adapter, curr_pmac_id, mac, |
| 288 | adapter->if_handle, true, 0); |
Sathya Perla | a65027e | 2009-08-17 00:58:04 +0000 | [diff] [blame] | 289 | if (status) |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 290 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 291 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 292 | /* The MAC change did not happen, either due to lack of privilege |
| 293 | * or PF didn't pre-provision. |
| 294 | */ |
dingtianhong | 61d23e9 | 2013-12-30 15:40:43 +0800 | [diff] [blame] | 295 | if (!ether_addr_equal(addr->sa_data, mac)) { |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 296 | status = -EPERM; |
| 297 | goto err; |
| 298 | } |
| 299 | |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 300 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 301 | dev_info(dev, "MAC address changed to %pM\n", mac); |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 302 | return 0; |
| 303 | err: |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 304 | 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] | 305 | return status; |
| 306 | } |
| 307 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 308 | /* BE2 supports only v0 cmd */ |
| 309 | static void *hw_stats_from_cmd(struct be_adapter *adapter) |
| 310 | { |
| 311 | if (BE2_chip(adapter)) { |
| 312 | struct be_cmd_resp_get_stats_v0 *cmd = adapter->stats_cmd.va; |
| 313 | |
| 314 | return &cmd->hw_stats; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 315 | } else if (BE3_chip(adapter)) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 316 | struct be_cmd_resp_get_stats_v1 *cmd = adapter->stats_cmd.va; |
| 317 | |
| 318 | return &cmd->hw_stats; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 319 | } else { |
| 320 | struct be_cmd_resp_get_stats_v2 *cmd = adapter->stats_cmd.va; |
| 321 | |
| 322 | return &cmd->hw_stats; |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 323 | } |
| 324 | } |
| 325 | |
| 326 | /* BE2 supports only v0 cmd */ |
| 327 | static void *be_erx_stats_from_cmd(struct be_adapter *adapter) |
| 328 | { |
| 329 | if (BE2_chip(adapter)) { |
| 330 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 331 | |
| 332 | return &hw_stats->erx; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 333 | } else if (BE3_chip(adapter)) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 334 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 335 | |
| 336 | return &hw_stats->erx; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 337 | } else { |
| 338 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); |
| 339 | |
| 340 | return &hw_stats->erx; |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 341 | } |
| 342 | } |
| 343 | |
| 344 | static void populate_be_v0_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 345 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 346 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 347 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 348 | struct be_rxf_stats_v0 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 349 | struct be_port_rxf_stats_v0 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 350 | &rxf_stats->port[adapter->port_num]; |
| 351 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 352 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 353 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 354 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 355 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 356 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 357 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 358 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 359 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 360 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 361 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 362 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 363 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; |
| 364 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 365 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 366 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 367 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 368 | drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 369 | drvs->rx_dropped_header_too_small = |
| 370 | port_stats->rx_dropped_header_too_small; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 371 | drvs->rx_address_filtered = |
| 372 | port_stats->rx_address_filtered + |
| 373 | port_stats->rx_vlan_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 374 | drvs->rx_alignment_symbol_errors = |
| 375 | port_stats->rx_alignment_symbol_errors; |
| 376 | |
| 377 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 378 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 379 | |
| 380 | if (adapter->port_num) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 381 | drvs->jabber_events = rxf_stats->port1_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 382 | else |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 383 | drvs->jabber_events = rxf_stats->port0_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 384 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 385 | 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] | 386 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 387 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 388 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 389 | 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] | 390 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 391 | } |
| 392 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 393 | static void populate_be_v1_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 394 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 395 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 396 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 397 | struct be_rxf_stats_v1 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 398 | struct be_port_rxf_stats_v1 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 399 | &rxf_stats->port[adapter->port_num]; |
| 400 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 401 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 402 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 02fe702 | 2011-12-09 13:53:09 +0000 | [diff] [blame] | 403 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 404 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 405 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 406 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 407 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 408 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 409 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 410 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 411 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 412 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 413 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 414 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 415 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 416 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 417 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 418 | drvs->rx_dropped_header_too_small = |
| 419 | port_stats->rx_dropped_header_too_small; |
| 420 | drvs->rx_input_fifo_overflow_drop = |
| 421 | port_stats->rx_input_fifo_overflow_drop; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 422 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 423 | drvs->rx_alignment_symbol_errors = |
| 424 | port_stats->rx_alignment_symbol_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 425 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 426 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 427 | drvs->tx_controlframes = port_stats->tx_controlframes; |
Ajit Khaparde | b5adffc4 | 2013-05-01 09:38:00 +0000 | [diff] [blame] | 428 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 429 | drvs->jabber_events = port_stats->jabber_events; |
| 430 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 431 | 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] | 432 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 433 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 434 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 435 | 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] | 436 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 437 | } |
| 438 | |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 439 | static void populate_be_v2_stats(struct be_adapter *adapter) |
| 440 | { |
| 441 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); |
| 442 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 443 | struct be_rxf_stats_v2 *rxf_stats = &hw_stats->rxf; |
| 444 | struct be_port_rxf_stats_v2 *port_stats = |
| 445 | &rxf_stats->port[adapter->port_num]; |
| 446 | struct be_drv_stats *drvs = &adapter->drv_stats; |
| 447 | |
| 448 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
| 449 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 450 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
| 451 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 452 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 453 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 454 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 455 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 456 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 457 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 458 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 459 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 460 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 461 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 462 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 463 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 464 | drvs->rx_dropped_header_too_small = |
| 465 | port_stats->rx_dropped_header_too_small; |
| 466 | drvs->rx_input_fifo_overflow_drop = |
| 467 | port_stats->rx_input_fifo_overflow_drop; |
| 468 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
| 469 | drvs->rx_alignment_symbol_errors = |
| 470 | port_stats->rx_alignment_symbol_errors; |
| 471 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
| 472 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 473 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 474 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
| 475 | drvs->jabber_events = port_stats->jabber_events; |
| 476 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
| 477 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
| 478 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 479 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
| 480 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 481 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; |
| 482 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 483 | if (be_roce_supported(adapter)) { |
Ajit Khaparde | 461ae37 | 2013-10-03 16:16:50 -0500 | [diff] [blame] | 484 | drvs->rx_roce_bytes_lsd = port_stats->roce_bytes_received_lsd; |
| 485 | drvs->rx_roce_bytes_msd = port_stats->roce_bytes_received_msd; |
| 486 | drvs->rx_roce_frames = port_stats->roce_frames_received; |
| 487 | drvs->roce_drops_crc = port_stats->roce_drops_crc; |
| 488 | drvs->roce_drops_payload_len = |
| 489 | port_stats->roce_drops_payload_len; |
| 490 | } |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 491 | } |
| 492 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 493 | static void populate_lancer_stats(struct be_adapter *adapter) |
| 494 | { |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 495 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 496 | struct lancer_pport_stats *pport_stats = pport_stats_from_cmd(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 497 | |
| 498 | be_dws_le_to_cpu(pport_stats, sizeof(*pport_stats)); |
| 499 | drvs->rx_pause_frames = pport_stats->rx_pause_frames_lo; |
| 500 | drvs->rx_crc_errors = pport_stats->rx_crc_errors_lo; |
| 501 | drvs->rx_control_frames = pport_stats->rx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 502 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 503 | drvs->rx_frame_too_long = pport_stats->rx_frames_too_long_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 504 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; |
| 505 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; |
| 506 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; |
| 507 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; |
| 508 | drvs->rx_dropped_tcp_length = |
| 509 | pport_stats->rx_dropped_invalid_tcp_length; |
| 510 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; |
| 511 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; |
| 512 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; |
| 513 | drvs->rx_dropped_header_too_small = |
| 514 | pport_stats->rx_dropped_header_too_small; |
| 515 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 516 | drvs->rx_address_filtered = |
| 517 | pport_stats->rx_address_filtered + |
| 518 | pport_stats->rx_vlan_filtered; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 519 | drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 520 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 521 | drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; |
| 522 | drvs->tx_controlframes = pport_stats->tx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 523 | drvs->jabber_events = pport_stats->rx_jabbers; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 524 | drvs->forwarded_packets = pport_stats->num_forwards_lo; |
| 525 | drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 526 | drvs->rx_drops_too_many_frags = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 527 | pport_stats->rx_drops_too_many_frags_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 528 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 529 | |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 530 | static void accumulate_16bit_val(u32 *acc, u16 val) |
| 531 | { |
| 532 | #define lo(x) (x & 0xFFFF) |
| 533 | #define hi(x) (x & 0xFFFF0000) |
| 534 | bool wrapped = val < lo(*acc); |
| 535 | u32 newacc = hi(*acc) + val; |
| 536 | |
| 537 | if (wrapped) |
| 538 | newacc += 65536; |
| 539 | ACCESS_ONCE(*acc) = newacc; |
| 540 | } |
| 541 | |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 542 | static void populate_erx_stats(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 543 | struct be_rx_obj *rxo, u32 erx_stat) |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 544 | { |
| 545 | if (!BEx_chip(adapter)) |
| 546 | rx_stats(rxo)->rx_drops_no_frags = erx_stat; |
| 547 | else |
| 548 | /* below erx HW counter can actually wrap around after |
| 549 | * 65535. Driver accumulates a 32-bit value |
| 550 | */ |
| 551 | accumulate_16bit_val(&rx_stats(rxo)->rx_drops_no_frags, |
| 552 | (u16)erx_stat); |
| 553 | } |
| 554 | |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 555 | void be_parse_stats(struct be_adapter *adapter) |
| 556 | { |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 557 | struct be_erx_stats_v2 *erx = be_erx_stats_from_cmd(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 558 | struct be_rx_obj *rxo; |
| 559 | int i; |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 560 | u32 erx_stat; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 561 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 562 | if (lancer_chip(adapter)) { |
| 563 | populate_lancer_stats(adapter); |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 564 | } else { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 565 | if (BE2_chip(adapter)) |
| 566 | populate_be_v0_stats(adapter); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 567 | else if (BE3_chip(adapter)) |
| 568 | /* for BE3 */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 569 | populate_be_v1_stats(adapter); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 570 | else |
| 571 | populate_be_v2_stats(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 572 | |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 573 | /* 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] | 574 | for_all_rx_queues(adapter, rxo, i) { |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 575 | erx_stat = erx->rx_drops_no_fragments[rxo->q.id]; |
| 576 | populate_erx_stats(adapter, rxo, erx_stat); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 577 | } |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 578 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 579 | } |
| 580 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 581 | static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 582 | struct rtnl_link_stats64 *stats) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 583 | { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 584 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 585 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 586 | struct be_rx_obj *rxo; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 587 | struct be_tx_obj *txo; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 588 | u64 pkts, bytes; |
| 589 | unsigned int start; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 590 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 591 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 592 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 593 | const struct be_rx_stats *rx_stats = rx_stats(rxo); |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 594 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 595 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 596 | start = u64_stats_fetch_begin_irq(&rx_stats->sync); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 597 | pkts = rx_stats(rxo)->rx_pkts; |
| 598 | bytes = rx_stats(rxo)->rx_bytes; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 599 | } while (u64_stats_fetch_retry_irq(&rx_stats->sync, start)); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 600 | stats->rx_packets += pkts; |
| 601 | stats->rx_bytes += bytes; |
| 602 | stats->multicast += rx_stats(rxo)->rx_mcast_pkts; |
| 603 | stats->rx_dropped += rx_stats(rxo)->rx_drops_no_skbs + |
| 604 | rx_stats(rxo)->rx_drops_no_frags; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 605 | } |
| 606 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 607 | for_all_tx_queues(adapter, txo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 608 | const struct be_tx_stats *tx_stats = tx_stats(txo); |
Kalesh AP | 03d28ff | 2014-09-19 15:46:56 +0530 | [diff] [blame] | 609 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 610 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 611 | start = u64_stats_fetch_begin_irq(&tx_stats->sync); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 612 | pkts = tx_stats(txo)->tx_pkts; |
| 613 | bytes = tx_stats(txo)->tx_bytes; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 614 | } while (u64_stats_fetch_retry_irq(&tx_stats->sync, start)); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 615 | stats->tx_packets += pkts; |
| 616 | stats->tx_bytes += bytes; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 617 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 618 | |
| 619 | /* bad pkts received */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 620 | stats->rx_errors = drvs->rx_crc_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 621 | drvs->rx_alignment_symbol_errors + |
| 622 | drvs->rx_in_range_errors + |
| 623 | drvs->rx_out_range_errors + |
| 624 | drvs->rx_frame_too_long + |
| 625 | drvs->rx_dropped_too_small + |
| 626 | drvs->rx_dropped_too_short + |
| 627 | drvs->rx_dropped_header_too_small + |
| 628 | drvs->rx_dropped_tcp_length + |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 629 | drvs->rx_dropped_runt; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 630 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 631 | /* detailed rx errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 632 | stats->rx_length_errors = drvs->rx_in_range_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 633 | drvs->rx_out_range_errors + |
| 634 | drvs->rx_frame_too_long; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 635 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 636 | stats->rx_crc_errors = drvs->rx_crc_errors; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 637 | |
| 638 | /* frame alignment errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 639 | stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 640 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 641 | /* receiver fifo overrun */ |
| 642 | /* 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] | 643 | stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 644 | drvs->rx_input_fifo_overflow_drop + |
| 645 | drvs->rx_drops_no_pbuf; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 646 | return stats; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 647 | } |
| 648 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 649 | void be_link_status_update(struct be_adapter *adapter, u8 link_status) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 650 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 651 | struct net_device *netdev = adapter->netdev; |
| 652 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 653 | if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { |
Sathya Perla | ea172a0 | 2011-08-02 19:57:42 +0000 | [diff] [blame] | 654 | netif_carrier_off(netdev); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 655 | adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 656 | } |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 657 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 658 | if (link_status) |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 659 | netif_carrier_on(netdev); |
| 660 | else |
| 661 | netif_carrier_off(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 662 | } |
| 663 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 664 | 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] | 665 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 666 | struct be_tx_stats *stats = tx_stats(txo); |
| 667 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 668 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 669 | stats->tx_reqs++; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 670 | stats->tx_bytes += skb->len; |
| 671 | stats->tx_pkts += (skb_shinfo(skb)->gso_segs ? : 1); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 672 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 673 | } |
| 674 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 675 | /* Returns number of WRBs needed for the skb */ |
| 676 | static u32 skb_wrb_cnt(struct sk_buff *skb) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 677 | { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 678 | /* +1 for the header wrb */ |
| 679 | return 1 + (skb_headlen(skb) ? 1 : 0) + skb_shinfo(skb)->nr_frags; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 680 | } |
| 681 | |
| 682 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) |
| 683 | { |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 684 | wrb->frag_pa_hi = cpu_to_le32(upper_32_bits(addr)); |
| 685 | wrb->frag_pa_lo = cpu_to_le32(lower_32_bits(addr)); |
| 686 | wrb->frag_len = cpu_to_le32(len & ETH_WRB_FRAG_LEN_MASK); |
| 687 | wrb->rsvd0 = 0; |
| 688 | } |
| 689 | |
| 690 | /* A dummy wrb is just all zeros. Using a separate routine for dummy-wrb |
| 691 | * to avoid the swap and shift/mask operations in wrb_fill(). |
| 692 | */ |
| 693 | static inline void wrb_fill_dummy(struct be_eth_wrb *wrb) |
| 694 | { |
| 695 | wrb->frag_pa_hi = 0; |
| 696 | wrb->frag_pa_lo = 0; |
| 697 | wrb->frag_len = 0; |
Somnath Kotur | 89b1f49 | 2012-06-24 19:40:55 +0000 | [diff] [blame] | 698 | wrb->rsvd0 = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 699 | } |
| 700 | |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 701 | static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 702 | struct sk_buff *skb) |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 703 | { |
| 704 | u8 vlan_prio; |
| 705 | u16 vlan_tag; |
| 706 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 707 | vlan_tag = skb_vlan_tag_get(skb); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 708 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; |
| 709 | /* If vlan priority provided by OS is NOT in available bmap */ |
| 710 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) |
| 711 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | |
| 712 | adapter->recommended_prio; |
| 713 | |
| 714 | return vlan_tag; |
| 715 | } |
| 716 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 717 | /* Used only for IP tunnel packets */ |
| 718 | static u16 skb_inner_ip_proto(struct sk_buff *skb) |
| 719 | { |
| 720 | return (inner_ip_hdr(skb)->version == 4) ? |
| 721 | inner_ip_hdr(skb)->protocol : inner_ipv6_hdr(skb)->nexthdr; |
| 722 | } |
| 723 | |
| 724 | static u16 skb_ip_proto(struct sk_buff *skb) |
| 725 | { |
| 726 | return (ip_hdr(skb)->version == 4) ? |
| 727 | ip_hdr(skb)->protocol : ipv6_hdr(skb)->nexthdr; |
| 728 | } |
| 729 | |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 730 | static inline bool be_is_txq_full(struct be_tx_obj *txo) |
| 731 | { |
| 732 | return atomic_read(&txo->q.used) + BE_MAX_TX_FRAG_COUNT >= txo->q.len; |
| 733 | } |
| 734 | |
| 735 | static inline bool be_can_txq_wake(struct be_tx_obj *txo) |
| 736 | { |
| 737 | return atomic_read(&txo->q.used) < txo->q.len / 2; |
| 738 | } |
| 739 | |
| 740 | static inline bool be_is_tx_compl_pending(struct be_tx_obj *txo) |
| 741 | { |
| 742 | return atomic_read(&txo->q.used) > txo->pend_wrb_cnt; |
| 743 | } |
| 744 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 745 | static void be_get_wrb_params_from_skb(struct be_adapter *adapter, |
| 746 | struct sk_buff *skb, |
| 747 | struct be_wrb_params *wrb_params) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 748 | { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 749 | u16 proto; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 750 | |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 751 | if (skb_is_gso(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 752 | BE_WRB_F_SET(wrb_params->features, LSO, 1); |
| 753 | wrb_params->lso_mss = skb_shinfo(skb)->gso_size; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 754 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 755 | BE_WRB_F_SET(wrb_params->features, LSO6, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 756 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 757 | if (skb->encapsulation) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 758 | BE_WRB_F_SET(wrb_params->features, IPCS, 1); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 759 | proto = skb_inner_ip_proto(skb); |
| 760 | } else { |
| 761 | proto = skb_ip_proto(skb); |
| 762 | } |
| 763 | if (proto == IPPROTO_TCP) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 764 | BE_WRB_F_SET(wrb_params->features, TCPCS, 1); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 765 | else if (proto == IPPROTO_UDP) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 766 | BE_WRB_F_SET(wrb_params->features, UDPCS, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 767 | } |
| 768 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 769 | if (skb_vlan_tag_present(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 770 | BE_WRB_F_SET(wrb_params->features, VLAN, 1); |
| 771 | wrb_params->vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 772 | } |
| 773 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 774 | BE_WRB_F_SET(wrb_params->features, CRC, 1); |
| 775 | } |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 776 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 777 | static void wrb_fill_hdr(struct be_adapter *adapter, |
| 778 | struct be_eth_hdr_wrb *hdr, |
| 779 | struct be_wrb_params *wrb_params, |
| 780 | struct sk_buff *skb) |
| 781 | { |
| 782 | memset(hdr, 0, sizeof(*hdr)); |
| 783 | |
| 784 | SET_TX_WRB_HDR_BITS(crc, hdr, |
| 785 | BE_WRB_F_GET(wrb_params->features, CRC)); |
| 786 | SET_TX_WRB_HDR_BITS(ipcs, hdr, |
| 787 | BE_WRB_F_GET(wrb_params->features, IPCS)); |
| 788 | SET_TX_WRB_HDR_BITS(tcpcs, hdr, |
| 789 | BE_WRB_F_GET(wrb_params->features, TCPCS)); |
| 790 | SET_TX_WRB_HDR_BITS(udpcs, hdr, |
| 791 | BE_WRB_F_GET(wrb_params->features, UDPCS)); |
| 792 | |
| 793 | SET_TX_WRB_HDR_BITS(lso, hdr, |
| 794 | BE_WRB_F_GET(wrb_params->features, LSO)); |
| 795 | SET_TX_WRB_HDR_BITS(lso6, hdr, |
| 796 | BE_WRB_F_GET(wrb_params->features, LSO6)); |
| 797 | SET_TX_WRB_HDR_BITS(lso_mss, hdr, wrb_params->lso_mss); |
| 798 | |
| 799 | /* Hack to skip HW VLAN tagging needs evt = 1, compl = 0. When this |
| 800 | * hack is not needed, the evt bit is set while ringing DB. |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 801 | */ |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 802 | SET_TX_WRB_HDR_BITS(event, hdr, |
| 803 | BE_WRB_F_GET(wrb_params->features, VLAN_SKIP_HW)); |
| 804 | SET_TX_WRB_HDR_BITS(vlan, hdr, |
| 805 | BE_WRB_F_GET(wrb_params->features, VLAN)); |
| 806 | SET_TX_WRB_HDR_BITS(vlan_tag, hdr, wrb_params->vlan_tag); |
| 807 | |
| 808 | SET_TX_WRB_HDR_BITS(num_wrb, hdr, skb_wrb_cnt(skb)); |
| 809 | SET_TX_WRB_HDR_BITS(len, hdr, skb->len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 810 | } |
| 811 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 812 | 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] | 813 | bool unmap_single) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 814 | { |
| 815 | dma_addr_t dma; |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 816 | u32 frag_len = le32_to_cpu(wrb->frag_len); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 817 | |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 818 | |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 819 | dma = (u64)le32_to_cpu(wrb->frag_pa_hi) << 32 | |
| 820 | (u64)le32_to_cpu(wrb->frag_pa_lo); |
| 821 | if (frag_len) { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 822 | if (unmap_single) |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 823 | dma_unmap_single(dev, dma, frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 824 | else |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 825 | dma_unmap_page(dev, dma, frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 826 | } |
| 827 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 828 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 829 | /* Grab a WRB header for xmit */ |
| 830 | static u16 be_tx_get_wrb_hdr(struct be_tx_obj *txo) |
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 | u16 head = txo->q.head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 833 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 834 | queue_head_inc(&txo->q); |
| 835 | return head; |
| 836 | } |
| 837 | |
| 838 | /* Set up the WRB header for xmit */ |
| 839 | static void be_tx_setup_wrb_hdr(struct be_adapter *adapter, |
| 840 | struct be_tx_obj *txo, |
| 841 | struct be_wrb_params *wrb_params, |
| 842 | struct sk_buff *skb, u16 head) |
| 843 | { |
| 844 | u32 num_frags = skb_wrb_cnt(skb); |
| 845 | struct be_queue_info *txq = &txo->q; |
| 846 | struct be_eth_hdr_wrb *hdr = queue_index_node(txq, head); |
| 847 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 848 | wrb_fill_hdr(adapter, hdr, wrb_params, skb); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 849 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
| 850 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 851 | BUG_ON(txo->sent_skb_list[head]); |
| 852 | txo->sent_skb_list[head] = skb; |
| 853 | txo->last_req_hdr = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 854 | atomic_add(num_frags, &txq->used); |
| 855 | txo->last_req_wrb_cnt = num_frags; |
| 856 | txo->pend_wrb_cnt += num_frags; |
| 857 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 858 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 859 | /* Setup a WRB fragment (buffer descriptor) for xmit */ |
| 860 | static void be_tx_setup_wrb_frag(struct be_tx_obj *txo, dma_addr_t busaddr, |
| 861 | int len) |
| 862 | { |
| 863 | struct be_eth_wrb *wrb; |
| 864 | struct be_queue_info *txq = &txo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 865 | |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 866 | wrb = queue_head_node(txq); |
| 867 | wrb_fill(wrb, busaddr, len); |
| 868 | queue_head_inc(txq); |
| 869 | } |
| 870 | |
| 871 | /* Bring the queue back to the state it was in before be_xmit_enqueue() routine |
| 872 | * was invoked. The producer index is restored to the previous packet and the |
| 873 | * WRBs of the current packet are unmapped. Invoked to handle tx setup errors. |
| 874 | */ |
| 875 | static void be_xmit_restore(struct be_adapter *adapter, |
| 876 | struct be_tx_obj *txo, u16 head, bool map_single, |
| 877 | u32 copied) |
| 878 | { |
| 879 | struct device *dev; |
| 880 | struct be_eth_wrb *wrb; |
| 881 | struct be_queue_info *txq = &txo->q; |
| 882 | |
| 883 | dev = &adapter->pdev->dev; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 884 | txq->head = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 885 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 886 | /* skip the first wrb (hdr); it's not mapped */ |
| 887 | queue_head_inc(txq); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 888 | while (copied) { |
| 889 | wrb = queue_head_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 890 | unmap_tx_frag(dev, wrb, map_single); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 891 | map_single = false; |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 892 | copied -= le32_to_cpu(wrb->frag_len); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 893 | queue_head_inc(txq); |
| 894 | } |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 895 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 896 | txq->head = head; |
Sriharsha Basavapatna | 79a0d7d | 2015-02-16 08:03:46 +0530 | [diff] [blame] | 897 | } |
| 898 | |
| 899 | /* Enqueue the given packet for transmit. This routine allocates WRBs for the |
| 900 | * packet, dma maps the packet buffers and sets up the WRBs. Returns the number |
| 901 | * of WRBs used up by the packet. |
| 902 | */ |
| 903 | static u32 be_xmit_enqueue(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 904 | struct sk_buff *skb, |
| 905 | struct be_wrb_params *wrb_params) |
| 906 | { |
| 907 | u32 i, copied = 0, wrb_cnt = skb_wrb_cnt(skb); |
| 908 | struct device *dev = &adapter->pdev->dev; |
| 909 | struct be_queue_info *txq = &txo->q; |
| 910 | bool map_single = false; |
| 911 | u16 head = txq->head; |
| 912 | dma_addr_t busaddr; |
| 913 | int len; |
| 914 | |
| 915 | head = be_tx_get_wrb_hdr(txo); |
| 916 | |
| 917 | if (skb->len > skb->data_len) { |
| 918 | len = skb_headlen(skb); |
| 919 | |
| 920 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
| 921 | if (dma_mapping_error(dev, busaddr)) |
| 922 | goto dma_err; |
| 923 | map_single = true; |
| 924 | be_tx_setup_wrb_frag(txo, busaddr, len); |
| 925 | copied += len; |
| 926 | } |
| 927 | |
| 928 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
| 929 | const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; |
| 930 | len = skb_frag_size(frag); |
| 931 | |
| 932 | busaddr = skb_frag_dma_map(dev, frag, 0, len, DMA_TO_DEVICE); |
| 933 | if (dma_mapping_error(dev, busaddr)) |
| 934 | goto dma_err; |
| 935 | be_tx_setup_wrb_frag(txo, busaddr, len); |
| 936 | copied += len; |
| 937 | } |
| 938 | |
| 939 | be_tx_setup_wrb_hdr(adapter, txo, wrb_params, skb, head); |
| 940 | |
| 941 | be_tx_stats_update(txo, skb); |
| 942 | return wrb_cnt; |
| 943 | |
| 944 | dma_err: |
| 945 | adapter->drv_stats.dma_map_errors++; |
| 946 | be_xmit_restore(adapter, txo, head, map_single, copied); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 947 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 948 | } |
| 949 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 950 | static inline int qnq_async_evt_rcvd(struct be_adapter *adapter) |
| 951 | { |
| 952 | return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD; |
| 953 | } |
| 954 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 955 | 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] | 956 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 957 | struct be_wrb_params |
| 958 | *wrb_params) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 959 | { |
| 960 | u16 vlan_tag = 0; |
| 961 | |
| 962 | skb = skb_share_check(skb, GFP_ATOMIC); |
| 963 | if (unlikely(!skb)) |
| 964 | return skb; |
| 965 | |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 966 | if (skb_vlan_tag_present(skb)) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 967 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Sarveshwar Bandi | 52fe29e | 2013-07-16 12:44:02 +0530 | [diff] [blame] | 968 | |
| 969 | if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { |
| 970 | if (!vlan_tag) |
| 971 | vlan_tag = adapter->pvid; |
| 972 | /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to |
| 973 | * skip VLAN insertion |
| 974 | */ |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 975 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Sarveshwar Bandi | 52fe29e | 2013-07-16 12:44:02 +0530 | [diff] [blame] | 976 | } |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 977 | |
| 978 | if (vlan_tag) { |
Jiri Pirko | 62749e2 | 2014-11-19 14:04:58 +0100 | [diff] [blame] | 979 | skb = vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), |
| 980 | vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 981 | if (unlikely(!skb)) |
| 982 | return skb; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 983 | skb->vlan_tci = 0; |
| 984 | } |
| 985 | |
| 986 | /* Insert the outer VLAN, if any */ |
| 987 | if (adapter->qnq_vid) { |
| 988 | vlan_tag = adapter->qnq_vid; |
Jiri Pirko | 62749e2 | 2014-11-19 14:04:58 +0100 | [diff] [blame] | 989 | skb = vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), |
| 990 | vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 991 | if (unlikely(!skb)) |
| 992 | return skb; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 993 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 994 | } |
| 995 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 996 | return skb; |
| 997 | } |
| 998 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 999 | static bool be_ipv6_exthdr_check(struct sk_buff *skb) |
| 1000 | { |
| 1001 | struct ethhdr *eh = (struct ethhdr *)skb->data; |
| 1002 | u16 offset = ETH_HLEN; |
| 1003 | |
| 1004 | if (eh->h_proto == htons(ETH_P_IPV6)) { |
| 1005 | struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset); |
| 1006 | |
| 1007 | offset += sizeof(struct ipv6hdr); |
| 1008 | if (ip6h->nexthdr != NEXTHDR_TCP && |
| 1009 | ip6h->nexthdr != NEXTHDR_UDP) { |
| 1010 | struct ipv6_opt_hdr *ehdr = |
Kalesh AP | 504fbf1 | 2014-09-19 15:47:00 +0530 | [diff] [blame] | 1011 | (struct ipv6_opt_hdr *)(skb->data + offset); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1012 | |
| 1013 | /* offending pkt: 2nd byte following IPv6 hdr is 0xff */ |
| 1014 | if (ehdr->hdrlen == 0xff) |
| 1015 | return true; |
| 1016 | } |
| 1017 | } |
| 1018 | return false; |
| 1019 | } |
| 1020 | |
| 1021 | static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb) |
| 1022 | { |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1023 | return skb_vlan_tag_present(skb) || adapter->pvid || adapter->qnq_vid; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1024 | } |
| 1025 | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1026 | 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] | 1027 | { |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1028 | return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1029 | } |
| 1030 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1031 | static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, |
| 1032 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1033 | struct be_wrb_params |
| 1034 | *wrb_params) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1035 | { |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1036 | struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1037 | unsigned int eth_hdr_len; |
| 1038 | struct iphdr *ip; |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1039 | |
Ajit Khaparde | 1297f9d | 2013-04-24 11:52:28 +0000 | [diff] [blame] | 1040 | /* For padded packets, BE HW modifies tot_len field in IP header |
| 1041 | * incorrecly when VLAN tag is inserted by HW. |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 1042 | * For padded packets, Lancer computes incorrect checksum. |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1043 | */ |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1044 | eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? |
| 1045 | VLAN_ETH_HLEN : ETH_HLEN; |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 1046 | if (skb->len <= 60 && |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1047 | (lancer_chip(adapter) || skb_vlan_tag_present(skb)) && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1048 | is_ipv4_pkt(skb)) { |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1049 | ip = (struct iphdr *)ip_hdr(skb); |
| 1050 | pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); |
| 1051 | } |
| 1052 | |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1053 | /* If vlan tag is already inlined in the packet, skip HW VLAN |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1054 | * tagging in pvid-tagging mode |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1055 | */ |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1056 | if (be_pvid_tagging_enabled(adapter) && |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1057 | veh->h_vlan_proto == htons(ETH_P_8021Q)) |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1058 | BE_WRB_F_SET(wrb_params->features, VLAN_SKIP_HW, 1); |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 1059 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 1060 | /* HW has a bug wherein it will calculate CSUM for VLAN |
| 1061 | * pkts even though it is disabled. |
| 1062 | * Manually insert VLAN in pkt. |
| 1063 | */ |
| 1064 | if (skb->ip_summed != CHECKSUM_PARTIAL && |
Jiri Pirko | df8a39d | 2015-01-13 17:13:44 +0100 | [diff] [blame] | 1065 | skb_vlan_tag_present(skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1066 | skb = be_insert_vlan_in_pkt(adapter, skb, wrb_params); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1067 | if (unlikely(!skb)) |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1068 | goto err; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1069 | } |
| 1070 | |
| 1071 | /* HW may lockup when VLAN HW tagging is requested on |
| 1072 | * certain ipv6 packets. Drop such pkts if the HW workaround to |
| 1073 | * skip HW tagging is not enabled by FW. |
| 1074 | */ |
| 1075 | if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) && |
Kalesh AP | cd3307aa | 2014-09-19 15:47:02 +0530 | [diff] [blame] | 1076 | (adapter->pvid || adapter->qnq_vid) && |
| 1077 | !qnq_async_evt_rcvd(adapter))) |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1078 | goto tx_drop; |
| 1079 | |
| 1080 | /* Manual VLAN tag insertion to prevent: |
| 1081 | * ASIC lockup when the ASIC inserts VLAN tag into |
| 1082 | * certain ipv6 packets. Insert VLAN tags in driver, |
| 1083 | * and set event, completion, vlan bits accordingly |
| 1084 | * in the Tx WRB. |
| 1085 | */ |
| 1086 | if (be_ipv6_tx_stall_chk(adapter, skb) && |
| 1087 | be_vlan_tag_tx_chk(adapter, skb)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1088 | skb = be_insert_vlan_in_pkt(adapter, skb, wrb_params); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1089 | if (unlikely(!skb)) |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1090 | goto err; |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 1091 | } |
| 1092 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1093 | return skb; |
| 1094 | tx_drop: |
| 1095 | dev_kfree_skb_any(skb); |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 1096 | err: |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1097 | return NULL; |
| 1098 | } |
| 1099 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1100 | static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, |
| 1101 | struct sk_buff *skb, |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1102 | struct be_wrb_params *wrb_params) |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1103 | { |
| 1104 | /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or |
| 1105 | * less may cause a transmit stall on that port. So the work-around is |
| 1106 | * to pad short packets (<= 32 bytes) to a 36-byte length. |
| 1107 | */ |
| 1108 | if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { |
Alexander Duyck | 74b6939 | 2014-12-03 08:17:46 -0800 | [diff] [blame] | 1109 | if (skb_put_padto(skb, 36)) |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1110 | return NULL; |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1111 | } |
| 1112 | |
| 1113 | if (BEx_chip(adapter) || lancer_chip(adapter)) { |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1114 | skb = be_lancer_xmit_workarounds(adapter, skb, wrb_params); |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1115 | if (!skb) |
| 1116 | return NULL; |
| 1117 | } |
| 1118 | |
| 1119 | return skb; |
| 1120 | } |
| 1121 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1122 | static void be_xmit_flush(struct be_adapter *adapter, struct be_tx_obj *txo) |
| 1123 | { |
| 1124 | struct be_queue_info *txq = &txo->q; |
| 1125 | struct be_eth_hdr_wrb *hdr = queue_index_node(txq, txo->last_req_hdr); |
| 1126 | |
| 1127 | /* Mark the last request eventable if it hasn't been marked already */ |
| 1128 | if (!(hdr->dw[2] & cpu_to_le32(TX_HDR_WRB_EVT))) |
| 1129 | hdr->dw[2] |= cpu_to_le32(TX_HDR_WRB_EVT | TX_HDR_WRB_COMPL); |
| 1130 | |
| 1131 | /* compose a dummy wrb if there are odd set of wrbs to notify */ |
| 1132 | if (!lancer_chip(adapter) && (txo->pend_wrb_cnt & 1)) { |
Sathya Perla | f986afc | 2015-02-06 08:18:43 -0500 | [diff] [blame] | 1133 | wrb_fill_dummy(queue_head_node(txq)); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1134 | queue_head_inc(txq); |
| 1135 | atomic_inc(&txq->used); |
| 1136 | txo->pend_wrb_cnt++; |
| 1137 | hdr->dw[2] &= ~cpu_to_le32(TX_HDR_WRB_NUM_MASK << |
| 1138 | TX_HDR_WRB_NUM_SHIFT); |
| 1139 | hdr->dw[2] |= cpu_to_le32((txo->last_req_wrb_cnt + 1) << |
| 1140 | TX_HDR_WRB_NUM_SHIFT); |
| 1141 | } |
| 1142 | be_txq_notify(adapter, txo, txo->pend_wrb_cnt); |
| 1143 | txo->pend_wrb_cnt = 0; |
| 1144 | } |
| 1145 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1146 | static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) |
| 1147 | { |
| 1148 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1149 | u16 q_idx = skb_get_queue_mapping(skb); |
| 1150 | struct be_tx_obj *txo = &adapter->tx_obj[q_idx]; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1151 | struct be_wrb_params wrb_params = { 0 }; |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1152 | bool flush = !skb->xmit_more; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1153 | u16 wrb_cnt; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1154 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1155 | skb = be_xmit_workarounds(adapter, skb, &wrb_params); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1156 | if (unlikely(!skb)) |
| 1157 | goto drop; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1158 | |
Sriharsha Basavapatna | 804abcd | 2015-02-16 08:03:45 +0530 | [diff] [blame] | 1159 | be_get_wrb_params_from_skb(adapter, skb, &wrb_params); |
| 1160 | |
| 1161 | wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1162 | if (unlikely(!wrb_cnt)) { |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1163 | dev_kfree_skb_any(skb); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1164 | goto drop; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1165 | } |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1166 | |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 1167 | if (be_is_txq_full(txo)) { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 1168 | netif_stop_subqueue(netdev, q_idx); |
| 1169 | tx_stats(txo)->tx_stops++; |
| 1170 | } |
| 1171 | |
| 1172 | if (flush || __netif_subqueue_stopped(netdev, q_idx)) |
| 1173 | be_xmit_flush(adapter, txo); |
| 1174 | |
| 1175 | return NETDEV_TX_OK; |
| 1176 | drop: |
| 1177 | tx_stats(txo)->tx_drv_drops++; |
| 1178 | /* Flush the already enqueued tx requests */ |
| 1179 | if (flush && txo->pend_wrb_cnt) |
| 1180 | be_xmit_flush(adapter, txo); |
| 1181 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1182 | return NETDEV_TX_OK; |
| 1183 | } |
| 1184 | |
| 1185 | static int be_change_mtu(struct net_device *netdev, int new_mtu) |
| 1186 | { |
| 1187 | struct be_adapter *adapter = netdev_priv(netdev); |
Kalesh AP | 0d3f5cc | 2014-09-02 09:56:53 +0530 | [diff] [blame] | 1188 | struct device *dev = &adapter->pdev->dev; |
| 1189 | |
| 1190 | if (new_mtu < BE_MIN_MTU || new_mtu > BE_MAX_MTU) { |
| 1191 | dev_info(dev, "MTU must be between %d and %d bytes\n", |
| 1192 | BE_MIN_MTU, BE_MAX_MTU); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1193 | return -EINVAL; |
| 1194 | } |
Kalesh AP | 0d3f5cc | 2014-09-02 09:56:53 +0530 | [diff] [blame] | 1195 | |
| 1196 | dev_info(dev, "MTU changed from %d to %d bytes\n", |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1197 | netdev->mtu, new_mtu); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1198 | netdev->mtu = new_mtu; |
| 1199 | return 0; |
| 1200 | } |
| 1201 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1202 | static inline bool be_in_all_promisc(struct be_adapter *adapter) |
| 1203 | { |
| 1204 | return (adapter->if_flags & BE_IF_FLAGS_ALL_PROMISCUOUS) == |
| 1205 | BE_IF_FLAGS_ALL_PROMISCUOUS; |
| 1206 | } |
| 1207 | |
| 1208 | static int be_set_vlan_promisc(struct be_adapter *adapter) |
| 1209 | { |
| 1210 | struct device *dev = &adapter->pdev->dev; |
| 1211 | int status; |
| 1212 | |
| 1213 | if (adapter->if_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) |
| 1214 | return 0; |
| 1215 | |
| 1216 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_VLAN_PROMISCUOUS, ON); |
| 1217 | if (!status) { |
| 1218 | dev_info(dev, "Enabled VLAN promiscuous mode\n"); |
| 1219 | adapter->if_flags |= BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 1220 | } else { |
| 1221 | dev_err(dev, "Failed to enable VLAN promiscuous mode\n"); |
| 1222 | } |
| 1223 | return status; |
| 1224 | } |
| 1225 | |
| 1226 | static int be_clear_vlan_promisc(struct be_adapter *adapter) |
| 1227 | { |
| 1228 | struct device *dev = &adapter->pdev->dev; |
| 1229 | int status; |
| 1230 | |
| 1231 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_VLAN_PROMISCUOUS, OFF); |
| 1232 | if (!status) { |
| 1233 | dev_info(dev, "Disabling VLAN promiscuous mode\n"); |
| 1234 | adapter->if_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS; |
| 1235 | } |
| 1236 | return status; |
| 1237 | } |
| 1238 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1239 | /* |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1240 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
| 1241 | * If the user configures more, place BE in vlan promiscuous mode. |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1242 | */ |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1243 | static int be_vid_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1244 | { |
Vasundhara Volam | 5076266 | 2014-09-12 17:39:14 +0530 | [diff] [blame] | 1245 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1246 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1247 | u16 num = 0, i = 0; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1248 | int status = 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1249 | |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1250 | /* No need to further configure vids if in promiscuous mode */ |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1251 | if (be_in_all_promisc(adapter)) |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1252 | return 0; |
| 1253 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 1254 | if (adapter->vlans_added > be_max_vlans(adapter)) |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1255 | return be_set_vlan_promisc(adapter); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1256 | |
| 1257 | /* Construct VLAN Table to give to HW */ |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1258 | for_each_set_bit(i, adapter->vids, VLAN_N_VID) |
| 1259 | vids[num++] = cpu_to_le16(i); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1260 | |
Kalesh AP | 4d567d9 | 2014-05-09 13:29:17 +0530 | [diff] [blame] | 1261 | status = be_cmd_vlan_config(adapter, adapter->if_handle, vids, num); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1262 | if (status) { |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1263 | dev_err(dev, "Setting HW VLAN filtering failed\n"); |
Ajit Khaparde | d9d604f | 2013-09-27 15:17:58 -0500 | [diff] [blame] | 1264 | /* Set to VLAN promisc mode as setting VLAN filter failed */ |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 1265 | if (addl_status(status) == |
| 1266 | MCC_ADDL_STATUS_INSUFFICIENT_RESOURCES) |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1267 | return be_set_vlan_promisc(adapter); |
| 1268 | } else if (adapter->if_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) { |
| 1269 | status = be_clear_vlan_promisc(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1270 | } |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1271 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1272 | } |
| 1273 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1274 | 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] | 1275 | { |
| 1276 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1277 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1278 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1279 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1280 | if (lancer_chip(adapter) && vid == 0) |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1281 | return status; |
| 1282 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1283 | if (test_bit(vid, adapter->vids)) |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1284 | return status; |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1285 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1286 | set_bit(vid, adapter->vids); |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1287 | adapter->vlans_added++; |
Jiri Pirko | 8e58613 | 2011-12-08 19:52:37 -0500 | [diff] [blame] | 1288 | |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1289 | status = be_vid_config(adapter); |
| 1290 | if (status) { |
| 1291 | adapter->vlans_added--; |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1292 | clear_bit(vid, adapter->vids); |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1293 | } |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1294 | |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1295 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1296 | } |
| 1297 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1298 | 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] | 1299 | { |
| 1300 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1301 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1302 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1303 | if (lancer_chip(adapter) && vid == 0) |
Kalesh AP | 9d4dfe4 | 2014-06-30 13:01:33 +0530 | [diff] [blame] | 1304 | return 0; |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1305 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1306 | clear_bit(vid, adapter->vids); |
Kalesh AP | 9d4dfe4 | 2014-06-30 13:01:33 +0530 | [diff] [blame] | 1307 | adapter->vlans_added--; |
| 1308 | |
| 1309 | return be_vid_config(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1310 | } |
| 1311 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1312 | static void be_clear_all_promisc(struct be_adapter *adapter) |
Somnath kotur | 7ad0945 | 2014-03-03 14:24:43 +0530 | [diff] [blame] | 1313 | { |
Sathya Perla | ac34b74 | 2015-02-06 08:18:40 -0500 | [diff] [blame] | 1314 | be_cmd_rx_filter(adapter, BE_IF_FLAGS_ALL_PROMISCUOUS, OFF); |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1315 | adapter->if_flags &= ~BE_IF_FLAGS_ALL_PROMISCUOUS; |
| 1316 | } |
| 1317 | |
| 1318 | static void be_set_all_promisc(struct be_adapter *adapter) |
| 1319 | { |
| 1320 | be_cmd_rx_filter(adapter, BE_IF_FLAGS_ALL_PROMISCUOUS, ON); |
| 1321 | adapter->if_flags |= BE_IF_FLAGS_ALL_PROMISCUOUS; |
| 1322 | } |
| 1323 | |
| 1324 | static void be_set_mc_promisc(struct be_adapter *adapter) |
| 1325 | { |
| 1326 | int status; |
| 1327 | |
| 1328 | if (adapter->if_flags & BE_IF_FLAGS_MCAST_PROMISCUOUS) |
| 1329 | return; |
| 1330 | |
| 1331 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_MCAST_PROMISCUOUS, ON); |
| 1332 | if (!status) |
| 1333 | adapter->if_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS; |
| 1334 | } |
| 1335 | |
| 1336 | static void be_set_mc_list(struct be_adapter *adapter) |
| 1337 | { |
| 1338 | int status; |
| 1339 | |
| 1340 | status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_MULTICAST, ON); |
| 1341 | if (!status) |
| 1342 | adapter->if_flags &= ~BE_IF_FLAGS_MCAST_PROMISCUOUS; |
| 1343 | else |
| 1344 | be_set_mc_promisc(adapter); |
| 1345 | } |
| 1346 | |
| 1347 | static void be_set_uc_list(struct be_adapter *adapter) |
| 1348 | { |
| 1349 | struct netdev_hw_addr *ha; |
| 1350 | int i = 1; /* First slot is claimed by the Primary MAC */ |
| 1351 | |
| 1352 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) |
| 1353 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 1354 | adapter->pmac_id[i], 0); |
| 1355 | |
| 1356 | if (netdev_uc_count(adapter->netdev) > be_max_uc(adapter)) { |
| 1357 | be_set_all_promisc(adapter); |
| 1358 | return; |
| 1359 | } |
| 1360 | |
| 1361 | netdev_for_each_uc_addr(ha, adapter->netdev) { |
| 1362 | adapter->uc_macs++; /* First slot is for Primary MAC */ |
| 1363 | be_cmd_pmac_add(adapter, (u8 *)ha->addr, adapter->if_handle, |
| 1364 | &adapter->pmac_id[adapter->uc_macs], 0); |
| 1365 | } |
| 1366 | } |
| 1367 | |
| 1368 | static void be_clear_uc_list(struct be_adapter *adapter) |
| 1369 | { |
| 1370 | int i; |
| 1371 | |
| 1372 | for (i = 1; i < (adapter->uc_macs + 1); i++) |
| 1373 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 1374 | adapter->pmac_id[i], 0); |
| 1375 | adapter->uc_macs = 0; |
Somnath kotur | 7ad0945 | 2014-03-03 14:24:43 +0530 | [diff] [blame] | 1376 | } |
| 1377 | |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 1378 | static void be_set_rx_mode(struct net_device *netdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1379 | { |
| 1380 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1381 | |
| 1382 | if (netdev->flags & IFF_PROMISC) { |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1383 | be_set_all_promisc(adapter); |
| 1384 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1385 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1386 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1387 | /* Interface was previously in promiscuous mode; disable it */ |
| 1388 | if (be_in_all_promisc(adapter)) { |
| 1389 | be_clear_all_promisc(adapter); |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1390 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1391 | be_vid_config(adapter); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1392 | } |
| 1393 | |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 1394 | /* Enable multicast promisc if num configured exceeds what we support */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1395 | if (netdev->flags & IFF_ALLMULTI || |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1396 | netdev_mc_count(netdev) > be_max_mc(adapter)) { |
| 1397 | be_set_mc_promisc(adapter); |
Kalesh AP | a079488 | 2014-05-30 19:06:23 +0530 | [diff] [blame] | 1398 | return; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1399 | } |
Kalesh AP | a079488 | 2014-05-30 19:06:23 +0530 | [diff] [blame] | 1400 | |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 1401 | if (netdev_uc_count(netdev) != adapter->uc_macs) |
| 1402 | be_set_uc_list(adapter); |
| 1403 | |
| 1404 | be_set_mc_list(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1405 | } |
| 1406 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1407 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 1408 | { |
| 1409 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1410 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1411 | int status; |
| 1412 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1413 | if (!sriov_enabled(adapter)) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1414 | return -EPERM; |
| 1415 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1416 | if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1417 | return -EINVAL; |
| 1418 | |
Vasundhara Volam | 3c31aaf | 2014-08-01 17:47:31 +0530 | [diff] [blame] | 1419 | /* Proceed further only if user provided MAC is different |
| 1420 | * from active MAC |
| 1421 | */ |
| 1422 | if (ether_addr_equal(mac, vf_cfg->mac_addr)) |
| 1423 | return 0; |
| 1424 | |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 1425 | if (BEx_chip(adapter)) { |
| 1426 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, vf_cfg->pmac_id, |
| 1427 | vf + 1); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1428 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1429 | status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, |
| 1430 | &vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 1431 | } else { |
| 1432 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, |
| 1433 | vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1434 | } |
| 1435 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1436 | if (status) { |
| 1437 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed: %#x", |
| 1438 | mac, vf, status); |
| 1439 | return be_cmd_status(status); |
| 1440 | } |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1441 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1442 | ether_addr_copy(vf_cfg->mac_addr, mac); |
| 1443 | |
| 1444 | return 0; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1445 | } |
| 1446 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1447 | static int be_get_vf_config(struct net_device *netdev, int vf, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1448 | struct ifla_vf_info *vi) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1449 | { |
| 1450 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1451 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1452 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1453 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1454 | return -EPERM; |
| 1455 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1456 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1457 | return -EINVAL; |
| 1458 | |
| 1459 | vi->vf = vf; |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1460 | vi->max_tx_rate = vf_cfg->tx_rate; |
| 1461 | vi->min_tx_rate = 0; |
Ajit Khaparde | a60b3a1 | 2013-09-27 15:18:56 -0500 | [diff] [blame] | 1462 | vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK; |
| 1463 | vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1464 | memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1465 | vi->linkstate = adapter->vf_cfg[vf].plink_tracking; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1466 | |
| 1467 | return 0; |
| 1468 | } |
| 1469 | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1470 | 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] | 1471 | { |
| 1472 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1473 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1474 | int status = 0; |
| 1475 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1476 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1477 | return -EPERM; |
| 1478 | |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1479 | if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1480 | return -EINVAL; |
| 1481 | |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1482 | if (vlan || qos) { |
| 1483 | vlan |= qos << VLAN_PRIO_SHIFT; |
Somnath Kotur | c502224 | 2014-03-03 14:24:20 +0530 | [diff] [blame] | 1484 | if (vf_cfg->vlan_tag != vlan) |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1485 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, |
| 1486 | vf_cfg->if_handle, 0); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1487 | } else { |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 1488 | /* Reset Transparent Vlan Tagging. */ |
Somnath Kotur | c502224 | 2014-03-03 14:24:20 +0530 | [diff] [blame] | 1489 | status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID, |
| 1490 | vf + 1, vf_cfg->if_handle, 0); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1491 | } |
| 1492 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1493 | if (status) { |
| 1494 | dev_err(&adapter->pdev->dev, |
| 1495 | "VLAN %d config on VF %d failed : %#x\n", vlan, |
| 1496 | vf, status); |
| 1497 | return be_cmd_status(status); |
| 1498 | } |
| 1499 | |
| 1500 | vf_cfg->vlan_tag = vlan; |
| 1501 | |
| 1502 | return 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1503 | } |
| 1504 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1505 | static int be_set_vf_tx_rate(struct net_device *netdev, int vf, |
| 1506 | int min_tx_rate, int max_tx_rate) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1507 | { |
| 1508 | struct be_adapter *adapter = netdev_priv(netdev); |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1509 | struct device *dev = &adapter->pdev->dev; |
| 1510 | int percent_rate, status = 0; |
| 1511 | u16 link_speed = 0; |
| 1512 | u8 link_status; |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1513 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1514 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1515 | return -EPERM; |
| 1516 | |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1517 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1518 | return -EINVAL; |
| 1519 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1520 | if (min_tx_rate) |
| 1521 | return -EINVAL; |
| 1522 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1523 | if (!max_tx_rate) |
| 1524 | goto config_qos; |
| 1525 | |
| 1526 | status = be_cmd_link_status_query(adapter, &link_speed, |
| 1527 | &link_status, 0); |
| 1528 | if (status) |
| 1529 | goto err; |
| 1530 | |
| 1531 | if (!link_status) { |
| 1532 | 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] | 1533 | status = -ENETDOWN; |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1534 | goto err; |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1535 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1536 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1537 | if (max_tx_rate < 100 || max_tx_rate > link_speed) { |
| 1538 | dev_err(dev, "TX-rate must be between 100 and %d Mbps\n", |
| 1539 | link_speed); |
| 1540 | status = -EINVAL; |
| 1541 | goto err; |
| 1542 | } |
| 1543 | |
| 1544 | /* On Skyhawk the QOS setting must be done only as a % value */ |
| 1545 | percent_rate = link_speed / 100; |
| 1546 | if (skyhawk_chip(adapter) && (max_tx_rate % percent_rate)) { |
| 1547 | dev_err(dev, "TX-rate must be a multiple of %d Mbps\n", |
| 1548 | percent_rate); |
| 1549 | status = -EINVAL; |
| 1550 | goto err; |
| 1551 | } |
| 1552 | |
| 1553 | config_qos: |
| 1554 | 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] | 1555 | if (status) |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1556 | goto err; |
| 1557 | |
| 1558 | adapter->vf_cfg[vf].tx_rate = max_tx_rate; |
| 1559 | return 0; |
| 1560 | |
| 1561 | err: |
| 1562 | dev_err(dev, "TX-rate setting of %dMbps on VF%d failed\n", |
| 1563 | max_tx_rate, vf); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1564 | return be_cmd_status(status); |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1565 | } |
Kalesh AP | e2fb1af | 2014-09-19 15:46:58 +0530 | [diff] [blame] | 1566 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1567 | static int be_set_vf_link_state(struct net_device *netdev, int vf, |
| 1568 | int link_state) |
| 1569 | { |
| 1570 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1571 | int status; |
| 1572 | |
| 1573 | if (!sriov_enabled(adapter)) |
| 1574 | return -EPERM; |
| 1575 | |
| 1576 | if (vf >= adapter->num_vfs) |
| 1577 | return -EINVAL; |
| 1578 | |
| 1579 | status = be_cmd_set_logical_link_config(adapter, link_state, vf+1); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1580 | if (status) { |
| 1581 | dev_err(&adapter->pdev->dev, |
| 1582 | "Link state change on VF %d failed: %#x\n", vf, status); |
| 1583 | return be_cmd_status(status); |
| 1584 | } |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1585 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1586 | adapter->vf_cfg[vf].plink_tracking = link_state; |
| 1587 | |
| 1588 | return 0; |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1589 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1590 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1591 | static void be_aic_update(struct be_aic_obj *aic, u64 rx_pkts, u64 tx_pkts, |
| 1592 | ulong now) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1593 | { |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1594 | aic->rx_pkts_prev = rx_pkts; |
| 1595 | aic->tx_reqs_prev = tx_pkts; |
| 1596 | aic->jiffies = now; |
| 1597 | } |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1598 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1599 | static void be_eqd_update(struct be_adapter *adapter) |
| 1600 | { |
| 1601 | struct be_set_eqd set_eqd[MAX_EVT_QS]; |
| 1602 | int eqd, i, num = 0, start; |
| 1603 | struct be_aic_obj *aic; |
| 1604 | struct be_eq_obj *eqo; |
| 1605 | struct be_rx_obj *rxo; |
| 1606 | struct be_tx_obj *txo; |
| 1607 | u64 rx_pkts, tx_pkts; |
| 1608 | ulong now; |
| 1609 | u32 pps, delta; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1610 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1611 | for_all_evt_queues(adapter, eqo, i) { |
| 1612 | aic = &adapter->aic_obj[eqo->idx]; |
| 1613 | if (!aic->enable) { |
| 1614 | if (aic->jiffies) |
| 1615 | aic->jiffies = 0; |
| 1616 | eqd = aic->et_eqd; |
| 1617 | goto modify_eqd; |
| 1618 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1619 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1620 | rxo = &adapter->rx_obj[eqo->idx]; |
| 1621 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1622 | start = u64_stats_fetch_begin_irq(&rxo->stats.sync); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1623 | rx_pkts = rxo->stats.rx_pkts; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1624 | } while (u64_stats_fetch_retry_irq(&rxo->stats.sync, start)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1625 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1626 | txo = &adapter->tx_obj[eqo->idx]; |
| 1627 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1628 | start = u64_stats_fetch_begin_irq(&txo->stats.sync); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1629 | tx_pkts = txo->stats.tx_reqs; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1630 | } while (u64_stats_fetch_retry_irq(&txo->stats.sync, start)); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1631 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1632 | /* Skip, if wrapped around or first calculation */ |
| 1633 | now = jiffies; |
| 1634 | if (!aic->jiffies || time_before(now, aic->jiffies) || |
| 1635 | rx_pkts < aic->rx_pkts_prev || |
| 1636 | tx_pkts < aic->tx_reqs_prev) { |
| 1637 | be_aic_update(aic, rx_pkts, tx_pkts, now); |
| 1638 | continue; |
| 1639 | } |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1640 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1641 | delta = jiffies_to_msecs(now - aic->jiffies); |
| 1642 | pps = (((u32)(rx_pkts - aic->rx_pkts_prev) * 1000) / delta) + |
| 1643 | (((u32)(tx_pkts - aic->tx_reqs_prev) * 1000) / delta); |
| 1644 | eqd = (pps / 15000) << 2; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1645 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1646 | if (eqd < 8) |
| 1647 | eqd = 0; |
| 1648 | eqd = min_t(u32, eqd, aic->max_eqd); |
| 1649 | eqd = max_t(u32, eqd, aic->min_eqd); |
| 1650 | |
| 1651 | be_aic_update(aic, rx_pkts, tx_pkts, now); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1652 | modify_eqd: |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1653 | if (eqd != aic->prev_eqd) { |
| 1654 | set_eqd[num].delay_multiplier = (eqd * 65)/100; |
| 1655 | set_eqd[num].eq_id = eqo->q.id; |
| 1656 | aic->prev_eqd = eqd; |
| 1657 | num++; |
| 1658 | } |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1659 | } |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1660 | |
| 1661 | if (num) |
| 1662 | be_cmd_modify_eqd(adapter, set_eqd, num); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1663 | } |
| 1664 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1665 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1666 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1667 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1668 | struct be_rx_stats *stats = rx_stats(rxo); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1669 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1670 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1671 | stats->rx_compl++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1672 | stats->rx_bytes += rxcp->pkt_size; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1673 | stats->rx_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1674 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1675 | stats->rx_mcast_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1676 | if (rxcp->err) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1677 | stats->rx_compl_err++; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1678 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1679 | } |
| 1680 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1681 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1682 | { |
Padmanabh Ratnakar | 19fad86 | 2011-03-07 03:08:16 +0000 | [diff] [blame] | 1683 | /* L4 checksum is not reliable for non TCP/UDP packets. |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1684 | * Also ignore ipcksm for ipv6 pkts |
| 1685 | */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1686 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1687 | (rxcp->ip_csum || rxcp->ipv6) && !rxcp->err; |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1688 | } |
| 1689 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1690 | 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] | 1691 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1692 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1693 | struct be_rx_page_info *rx_page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1694 | struct be_queue_info *rxq = &rxo->q; |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1695 | u16 frag_idx = rxq->tail; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1696 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1697 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1698 | BUG_ON(!rx_page_info->page); |
| 1699 | |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1700 | if (rx_page_info->last_frag) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1701 | dma_unmap_page(&adapter->pdev->dev, |
| 1702 | dma_unmap_addr(rx_page_info, bus), |
| 1703 | adapter->big_page_size, DMA_FROM_DEVICE); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1704 | rx_page_info->last_frag = false; |
| 1705 | } else { |
| 1706 | dma_sync_single_for_cpu(&adapter->pdev->dev, |
| 1707 | dma_unmap_addr(rx_page_info, bus), |
| 1708 | rx_frag_size, DMA_FROM_DEVICE); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1709 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1710 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1711 | queue_tail_inc(rxq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1712 | atomic_dec(&rxq->used); |
| 1713 | return rx_page_info; |
| 1714 | } |
| 1715 | |
| 1716 | /* Throwaway the data in the Rx completion */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1717 | static void be_rx_compl_discard(struct be_rx_obj *rxo, |
| 1718 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1719 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1720 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1721 | u16 i, num_rcvd = rxcp->num_rcvd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1722 | |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1723 | for (i = 0; i < num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1724 | page_info = get_rx_page_info(rxo); |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1725 | put_page(page_info->page); |
| 1726 | memset(page_info, 0, sizeof(*page_info)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1727 | } |
| 1728 | } |
| 1729 | |
| 1730 | /* |
| 1731 | * skb_fill_rx_data forms a complete skb for an ether frame |
| 1732 | * indicated by rxcp. |
| 1733 | */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1734 | static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, |
| 1735 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1736 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1737 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1738 | u16 i, j; |
| 1739 | u16 hdr_len, curr_frag_len, remaining; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1740 | u8 *start; |
| 1741 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1742 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1743 | start = page_address(page_info->page) + page_info->page_offset; |
| 1744 | prefetch(start); |
| 1745 | |
| 1746 | /* Copy data in the first descriptor of this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1747 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1748 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1749 | skb->len = curr_frag_len; |
| 1750 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1751 | memcpy(skb->data, start, curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1752 | /* Complete packet has now been moved to data */ |
| 1753 | put_page(page_info->page); |
| 1754 | skb->data_len = 0; |
| 1755 | skb->tail += curr_frag_len; |
| 1756 | } else { |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1757 | hdr_len = ETH_HLEN; |
| 1758 | memcpy(skb->data, start, hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1759 | skb_shinfo(skb)->nr_frags = 1; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1760 | skb_frag_set_page(skb, 0, page_info->page); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1761 | skb_shinfo(skb)->frags[0].page_offset = |
| 1762 | page_info->page_offset + hdr_len; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1763 | skb_frag_size_set(&skb_shinfo(skb)->frags[0], |
| 1764 | curr_frag_len - hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1765 | skb->data_len = curr_frag_len - hdr_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1766 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1767 | skb->tail += hdr_len; |
| 1768 | } |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1769 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1770 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1771 | if (rxcp->pkt_size <= rx_frag_size) { |
| 1772 | BUG_ON(rxcp->num_rcvd != 1); |
| 1773 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1774 | } |
| 1775 | |
| 1776 | /* More frags present for this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1777 | remaining = rxcp->pkt_size - curr_frag_len; |
| 1778 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1779 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1780 | curr_frag_len = min(remaining, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1781 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1782 | /* Coalesce all frags from the same physical page in one slot */ |
| 1783 | if (page_info->page_offset == 0) { |
| 1784 | /* Fresh page */ |
| 1785 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1786 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1787 | skb_shinfo(skb)->frags[j].page_offset = |
| 1788 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1789 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1790 | skb_shinfo(skb)->nr_frags++; |
| 1791 | } else { |
| 1792 | put_page(page_info->page); |
| 1793 | } |
| 1794 | |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1795 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1796 | skb->len += curr_frag_len; |
| 1797 | skb->data_len += curr_frag_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1798 | skb->truesize += rx_frag_size; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1799 | remaining -= curr_frag_len; |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1800 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1801 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1802 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1803 | } |
| 1804 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1805 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1806 | 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] | 1807 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1808 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1809 | struct be_adapter *adapter = rxo->adapter; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1810 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1811 | struct sk_buff *skb; |
Sathya Perla | 8942042 | 2010-02-17 01:35:26 +0000 | [diff] [blame] | 1812 | |
Eric Dumazet | bb349bb | 2012-01-25 03:56:30 +0000 | [diff] [blame] | 1813 | skb = netdev_alloc_skb_ip_align(netdev, BE_RX_SKB_ALLOC_SIZE); |
Sathya Perla | a058a63 | 2010-02-17 01:34:22 +0000 | [diff] [blame] | 1814 | if (unlikely(!skb)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1815 | rx_stats(rxo)->rx_drops_no_skbs++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1816 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1817 | return; |
| 1818 | } |
| 1819 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1820 | skb_fill_rx_data(rxo, skb, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1821 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1822 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1823 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | c6ce2f4 | 2010-10-25 01:11:58 +0000 | [diff] [blame] | 1824 | else |
| 1825 | skb_checksum_none_assert(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1826 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1827 | skb->protocol = eth_type_trans(skb, netdev); |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1828 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1829 | if (netdev->features & NETIF_F_RXHASH) |
Tom Herbert | d2464c8 | 2013-12-17 23:23:51 -0800 | [diff] [blame] | 1830 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1831 | |
Tom Herbert | b6c0e89 | 2014-08-27 21:27:17 -0700 | [diff] [blame] | 1832 | skb->csum_level = rxcp->tunneled; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1833 | skb_mark_napi_id(skb, napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1834 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1835 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1836 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1837 | |
| 1838 | netif_receive_skb(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1839 | } |
| 1840 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1841 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 1842 | static void be_rx_compl_process_gro(struct be_rx_obj *rxo, |
| 1843 | struct napi_struct *napi, |
| 1844 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1845 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1846 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1847 | struct be_rx_page_info *page_info; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1848 | struct sk_buff *skb = NULL; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1849 | u16 remaining, curr_frag_len; |
| 1850 | u16 i, j; |
Ajit Khaparde | 3968fa1 | 2011-02-20 11:41:53 +0000 | [diff] [blame] | 1851 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1852 | skb = napi_get_frags(napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1853 | if (!skb) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1854 | be_rx_compl_discard(rxo, rxcp); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1855 | return; |
| 1856 | } |
| 1857 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1858 | remaining = rxcp->pkt_size; |
| 1859 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1860 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1861 | |
| 1862 | curr_frag_len = min(remaining, rx_frag_size); |
| 1863 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1864 | /* Coalesce all frags from the same physical page in one slot */ |
| 1865 | if (i == 0 || page_info->page_offset == 0) { |
| 1866 | /* First frag or Fresh page */ |
| 1867 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1868 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1869 | skb_shinfo(skb)->frags[j].page_offset = |
| 1870 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1871 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1872 | } else { |
| 1873 | put_page(page_info->page); |
| 1874 | } |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1875 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1876 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1877 | remaining -= curr_frag_len; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1878 | memset(page_info, 0, sizeof(*page_info)); |
| 1879 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1880 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1881 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1882 | skb_shinfo(skb)->nr_frags = j + 1; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1883 | skb->len = rxcp->pkt_size; |
| 1884 | skb->data_len = rxcp->pkt_size; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1885 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1886 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1887 | if (adapter->netdev->features & NETIF_F_RXHASH) |
Tom Herbert | d2464c8 | 2013-12-17 23:23:51 -0800 | [diff] [blame] | 1888 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1889 | |
Tom Herbert | b6c0e89 | 2014-08-27 21:27:17 -0700 | [diff] [blame] | 1890 | skb->csum_level = rxcp->tunneled; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1891 | skb_mark_napi_id(skb, napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1892 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1893 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1894 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1895 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1896 | napi_gro_frags(napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1897 | } |
| 1898 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1899 | static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, |
| 1900 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1901 | { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1902 | rxcp->pkt_size = GET_RX_COMPL_V1_BITS(pktsize, compl); |
| 1903 | rxcp->vlanf = GET_RX_COMPL_V1_BITS(vtp, compl); |
| 1904 | rxcp->err = GET_RX_COMPL_V1_BITS(err, compl); |
| 1905 | rxcp->tcpf = GET_RX_COMPL_V1_BITS(tcpf, compl); |
| 1906 | rxcp->udpf = GET_RX_COMPL_V1_BITS(udpf, compl); |
| 1907 | rxcp->ip_csum = GET_RX_COMPL_V1_BITS(ipcksm, compl); |
| 1908 | rxcp->l4_csum = GET_RX_COMPL_V1_BITS(l4_cksm, compl); |
| 1909 | rxcp->ipv6 = GET_RX_COMPL_V1_BITS(ip_version, compl); |
| 1910 | rxcp->num_rcvd = GET_RX_COMPL_V1_BITS(numfrags, compl); |
| 1911 | rxcp->pkt_type = GET_RX_COMPL_V1_BITS(cast_enc, compl); |
| 1912 | rxcp->rss_hash = GET_RX_COMPL_V1_BITS(rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1913 | if (rxcp->vlanf) { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1914 | rxcp->qnq = GET_RX_COMPL_V1_BITS(qnq, compl); |
| 1915 | rxcp->vlan_tag = GET_RX_COMPL_V1_BITS(vlan_tag, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1916 | } |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1917 | rxcp->port = GET_RX_COMPL_V1_BITS(port, compl); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1918 | rxcp->tunneled = |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1919 | GET_RX_COMPL_V1_BITS(tunneled, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1920 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1921 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1922 | static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, |
| 1923 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1924 | { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1925 | rxcp->pkt_size = GET_RX_COMPL_V0_BITS(pktsize, compl); |
| 1926 | rxcp->vlanf = GET_RX_COMPL_V0_BITS(vtp, compl); |
| 1927 | rxcp->err = GET_RX_COMPL_V0_BITS(err, compl); |
| 1928 | rxcp->tcpf = GET_RX_COMPL_V0_BITS(tcpf, compl); |
| 1929 | rxcp->udpf = GET_RX_COMPL_V0_BITS(udpf, compl); |
| 1930 | rxcp->ip_csum = GET_RX_COMPL_V0_BITS(ipcksm, compl); |
| 1931 | rxcp->l4_csum = GET_RX_COMPL_V0_BITS(l4_cksm, compl); |
| 1932 | rxcp->ipv6 = GET_RX_COMPL_V0_BITS(ip_version, compl); |
| 1933 | rxcp->num_rcvd = GET_RX_COMPL_V0_BITS(numfrags, compl); |
| 1934 | rxcp->pkt_type = GET_RX_COMPL_V0_BITS(cast_enc, compl); |
| 1935 | rxcp->rss_hash = GET_RX_COMPL_V0_BITS(rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1936 | if (rxcp->vlanf) { |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1937 | rxcp->qnq = GET_RX_COMPL_V0_BITS(qnq, compl); |
| 1938 | rxcp->vlan_tag = GET_RX_COMPL_V0_BITS(vlan_tag, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1939 | } |
Sathya Perla | c3c18bc | 2014-09-02 09:56:47 +0530 | [diff] [blame] | 1940 | rxcp->port = GET_RX_COMPL_V0_BITS(port, compl); |
| 1941 | rxcp->ip_frag = GET_RX_COMPL_V0_BITS(ip_frag, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1942 | } |
| 1943 | |
| 1944 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) |
| 1945 | { |
| 1946 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); |
| 1947 | struct be_rx_compl_info *rxcp = &rxo->rxcp; |
| 1948 | struct be_adapter *adapter = rxo->adapter; |
| 1949 | |
| 1950 | /* For checking the valid bit it is Ok to use either definition as the |
| 1951 | * valid bit is at the same position in both v0 and v1 Rx compl */ |
| 1952 | 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] | 1953 | return NULL; |
| 1954 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1955 | rmb(); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1956 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
| 1957 | |
| 1958 | if (adapter->be3_native) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1959 | be_parse_rx_compl_v1(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1960 | else |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1961 | be_parse_rx_compl_v0(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1962 | |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 1963 | if (rxcp->ip_frag) |
| 1964 | rxcp->l4_csum = 0; |
| 1965 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1966 | if (rxcp->vlanf) { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1967 | /* In QNQ modes, if qnq bit is not set, then the packet was |
| 1968 | * tagged only with the transparent outer vlan-tag and must |
| 1969 | * not be treated as a vlan packet by host |
| 1970 | */ |
| 1971 | if (be_is_qnq_mode(adapter) && !rxcp->qnq) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1972 | rxcp->vlanf = 0; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1973 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1974 | if (!lancer_chip(adapter)) |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1975 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1976 | |
Somnath Kotur | 939cf30 | 2011-08-18 21:51:49 -0700 | [diff] [blame] | 1977 | if (adapter->pvid == (rxcp->vlan_tag & VLAN_VID_MASK) && |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1978 | !test_bit(rxcp->vlan_tag, adapter->vids)) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1979 | rxcp->vlanf = 0; |
| 1980 | } |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1981 | |
| 1982 | /* As the compl has been parsed, reset it; we wont touch it again */ |
| 1983 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1984 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1985 | queue_tail_inc(&rxo->cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1986 | return rxcp; |
| 1987 | } |
| 1988 | |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1989 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1990 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1991 | u32 order = get_order(size); |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1992 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1993 | if (order > 0) |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1994 | gfp |= __GFP_COMP; |
| 1995 | return alloc_pages(gfp, order); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1996 | } |
| 1997 | |
| 1998 | /* |
| 1999 | * Allocate a page, split it to fragments of size rx_frag_size and post as |
| 2000 | * receive buffers to BE |
| 2001 | */ |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2002 | 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] | 2003 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2004 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 2005 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2006 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2007 | struct page *pagep = NULL; |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2008 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2009 | struct be_eth_rx_d *rxd; |
| 2010 | u64 page_dmaaddr = 0, frag_dmaaddr; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2011 | u32 posted, page_offset = 0, notify = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2012 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2013 | page_info = &rxo->page_info_tbl[rxq->head]; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2014 | for (posted = 0; posted < frags_needed && !page_info->page; posted++) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2015 | if (!pagep) { |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2016 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2017 | if (unlikely(!pagep)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 2018 | rx_stats(rxo)->rx_post_fail++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2019 | break; |
| 2020 | } |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2021 | page_dmaaddr = dma_map_page(dev, pagep, 0, |
| 2022 | adapter->big_page_size, |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2023 | DMA_FROM_DEVICE); |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2024 | if (dma_mapping_error(dev, page_dmaaddr)) { |
| 2025 | put_page(pagep); |
| 2026 | pagep = NULL; |
Vasundhara Volam | d3de154 | 2014-09-02 09:56:50 +0530 | [diff] [blame] | 2027 | adapter->drv_stats.dma_map_errors++; |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 2028 | break; |
| 2029 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2030 | page_offset = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2031 | } else { |
| 2032 | get_page(pagep); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2033 | page_offset += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2034 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2035 | page_info->page_offset = page_offset; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2036 | page_info->page = pagep; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2037 | |
| 2038 | rxd = queue_head_node(rxq); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2039 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2040 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); |
| 2041 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2042 | |
| 2043 | /* Any space left in the current big page for another frag? */ |
| 2044 | if ((page_offset + rx_frag_size + rx_frag_size) > |
| 2045 | adapter->big_page_size) { |
| 2046 | pagep = NULL; |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2047 | page_info->last_frag = true; |
| 2048 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
| 2049 | } else { |
| 2050 | dma_unmap_addr_set(page_info, bus, frag_dmaaddr); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2051 | } |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 2052 | |
| 2053 | prev_page_info = page_info; |
| 2054 | queue_head_inc(rxq); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2055 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2056 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 2057 | |
| 2058 | /* Mark the last frag of a page when we break out of the above loop |
| 2059 | * with no more slots available in the RXQ |
| 2060 | */ |
| 2061 | if (pagep) { |
| 2062 | prev_page_info->last_frag = true; |
| 2063 | dma_unmap_addr_set(prev_page_info, bus, page_dmaaddr); |
| 2064 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2065 | |
| 2066 | if (posted) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2067 | atomic_add(posted, &rxq->used); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2068 | if (rxo->rx_post_starved) |
| 2069 | rxo->rx_post_starved = false; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2070 | do { |
| 2071 | notify = min(256u, posted); |
| 2072 | be_rxq_notify(adapter, rxq->id, notify); |
| 2073 | posted -= notify; |
| 2074 | } while (posted); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 2075 | } else if (atomic_read(&rxq->used) == 0) { |
| 2076 | /* Let be_worker replenish when memory is available */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2077 | rxo->rx_post_starved = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2078 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2079 | } |
| 2080 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2081 | 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] | 2082 | { |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2083 | struct be_queue_info *tx_cq = &txo->cq; |
| 2084 | struct be_tx_compl_info *txcp = &txo->txcp; |
| 2085 | struct be_eth_tx_compl *compl = queue_tail_node(tx_cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2086 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2087 | if (compl->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2088 | return NULL; |
| 2089 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2090 | /* Ensure load ordering of valid bit dword and other dwords below */ |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 2091 | rmb(); |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2092 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2093 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2094 | txcp->status = GET_TX_COMPL_BITS(status, compl); |
| 2095 | txcp->end_index = GET_TX_COMPL_BITS(wrb_index, compl); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2096 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2097 | compl->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2098 | queue_tail_inc(tx_cq); |
| 2099 | return txcp; |
| 2100 | } |
| 2101 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2102 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2103 | struct be_tx_obj *txo, u16 last_index) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2104 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2105 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2106 | struct be_queue_info *txq = &txo->q; |
| 2107 | u16 frag_index, num_wrbs = 0; |
| 2108 | struct sk_buff *skb = NULL; |
| 2109 | bool unmap_skb_hdr = false; |
| 2110 | struct be_eth_wrb *wrb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2111 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 2112 | do { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2113 | if (sent_skbs[txq->tail]) { |
| 2114 | /* Free skb from prev req */ |
| 2115 | if (skb) |
| 2116 | dev_consume_skb_any(skb); |
| 2117 | skb = sent_skbs[txq->tail]; |
| 2118 | sent_skbs[txq->tail] = NULL; |
| 2119 | queue_tail_inc(txq); /* skip hdr wrb */ |
| 2120 | num_wrbs++; |
| 2121 | unmap_skb_hdr = true; |
| 2122 | } |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 2123 | wrb = queue_tail_node(txq); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2124 | frag_index = txq->tail; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2125 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2126 | (unmap_skb_hdr && skb_headlen(skb))); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 2127 | unmap_skb_hdr = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2128 | queue_tail_inc(txq); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2129 | num_wrbs++; |
| 2130 | } while (frag_index != last_index); |
| 2131 | dev_consume_skb_any(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2132 | |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 2133 | return num_wrbs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2134 | } |
| 2135 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2136 | /* Return the number of events in the event queue */ |
| 2137 | static inline int events_get(struct be_eq_obj *eqo) |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2138 | { |
| 2139 | struct be_eq_entry *eqe; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2140 | int num = 0; |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2141 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2142 | do { |
| 2143 | eqe = queue_tail_node(&eqo->q); |
| 2144 | if (eqe->evt == 0) |
| 2145 | break; |
| 2146 | |
| 2147 | rmb(); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2148 | eqe->evt = 0; |
| 2149 | num++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2150 | queue_tail_inc(&eqo->q); |
| 2151 | } while (true); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2152 | |
| 2153 | return num; |
| 2154 | } |
| 2155 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2156 | /* Leaves the EQ is disarmed state */ |
| 2157 | static void be_eq_clean(struct be_eq_obj *eqo) |
| 2158 | { |
| 2159 | int num = events_get(eqo); |
| 2160 | |
| 2161 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, num); |
| 2162 | } |
| 2163 | |
| 2164 | static void be_rx_cq_clean(struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2165 | { |
| 2166 | struct be_rx_page_info *page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2167 | struct be_queue_info *rxq = &rxo->q; |
| 2168 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2169 | struct be_rx_compl_info *rxcp; |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2170 | struct be_adapter *adapter = rxo->adapter; |
| 2171 | int flush_wait = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2172 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2173 | /* Consume pending rx completions. |
| 2174 | * Wait for the flush completion (identified by zero num_rcvd) |
| 2175 | * to arrive. Notify CQ even when there are no more CQ entries |
| 2176 | * for HW to flush partially coalesced CQ entries. |
| 2177 | * In Lancer, there is no need to wait for flush compl. |
| 2178 | */ |
| 2179 | for (;;) { |
| 2180 | rxcp = be_rx_compl_get(rxo); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 2181 | if (!rxcp) { |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2182 | if (lancer_chip(adapter)) |
| 2183 | break; |
| 2184 | |
| 2185 | if (flush_wait++ > 10 || be_hw_error(adapter)) { |
| 2186 | dev_warn(&adapter->pdev->dev, |
| 2187 | "did not receive flush compl\n"); |
| 2188 | break; |
| 2189 | } |
| 2190 | be_cq_notify(adapter, rx_cq->id, true, 0); |
| 2191 | mdelay(1); |
| 2192 | } else { |
| 2193 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 3f5dffe | 2013-05-08 02:05:49 +0000 | [diff] [blame] | 2194 | be_cq_notify(adapter, rx_cq->id, false, 1); |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2195 | if (rxcp->num_rcvd == 0) |
| 2196 | break; |
| 2197 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2198 | } |
| 2199 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2200 | /* After cleanup, leave the CQ in unarmed state */ |
| 2201 | be_cq_notify(adapter, rx_cq->id, false, 0); |
| 2202 | |
| 2203 | /* Then free posted rx buffers that were not used */ |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2204 | while (atomic_read(&rxq->used) > 0) { |
| 2205 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2206 | put_page(page_info->page); |
| 2207 | memset(page_info, 0, sizeof(*page_info)); |
| 2208 | } |
| 2209 | BUG_ON(atomic_read(&rxq->used)); |
Kalesh AP | 5f820b6 | 2014-09-19 15:47:01 +0530 | [diff] [blame] | 2210 | rxq->tail = 0; |
| 2211 | rxq->head = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2212 | } |
| 2213 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2214 | static void be_tx_compl_clean(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2215 | { |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2216 | u16 end_idx, notified_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
| 2217 | struct device *dev = &adapter->pdev->dev; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2218 | struct be_tx_compl_info *txcp; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2219 | struct be_queue_info *txq; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2220 | struct be_tx_obj *txo; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2221 | int i, pending_txqs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2222 | |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2223 | /* Stop polling for compls when HW has been silent for 10ms */ |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2224 | do { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2225 | pending_txqs = adapter->num_tx_qs; |
| 2226 | |
| 2227 | for_all_tx_queues(adapter, txo, i) { |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2228 | cmpl = 0; |
| 2229 | num_wrbs = 0; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2230 | txq = &txo->q; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2231 | while ((txcp = be_tx_compl_get(txo))) { |
| 2232 | num_wrbs += |
| 2233 | be_tx_compl_process(adapter, txo, |
| 2234 | txcp->end_index); |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2235 | cmpl++; |
| 2236 | } |
| 2237 | if (cmpl) { |
| 2238 | be_cq_notify(adapter, txo->cq.id, false, cmpl); |
| 2239 | atomic_sub(num_wrbs, &txq->used); |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2240 | timeo = 0; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2241 | } |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 2242 | if (!be_is_tx_compl_pending(txo)) |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2243 | pending_txqs--; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2244 | } |
| 2245 | |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2246 | if (pending_txqs == 0 || ++timeo > 10 || be_hw_error(adapter)) |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2247 | break; |
| 2248 | |
| 2249 | mdelay(1); |
| 2250 | } while (true); |
| 2251 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2252 | /* Free enqueued TX that was never notified to HW */ |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2253 | for_all_tx_queues(adapter, txo, i) { |
| 2254 | txq = &txo->q; |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2255 | |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2256 | if (atomic_read(&txq->used)) { |
| 2257 | dev_info(dev, "txq%d: cleaning %d pending tx-wrbs\n", |
| 2258 | i, atomic_read(&txq->used)); |
| 2259 | notified_idx = txq->tail; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2260 | end_idx = txq->tail; |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2261 | index_adv(&end_idx, atomic_read(&txq->used) - 1, |
| 2262 | txq->len); |
| 2263 | /* Use the tx-compl process logic to handle requests |
| 2264 | * that were not sent to the HW. |
| 2265 | */ |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2266 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); |
| 2267 | atomic_sub(num_wrbs, &txq->used); |
Sathya Perla | 5f07b3c | 2015-01-05 05:48:34 -0500 | [diff] [blame] | 2268 | BUG_ON(atomic_read(&txq->used)); |
| 2269 | txo->pend_wrb_cnt = 0; |
| 2270 | /* Since hw was never notified of these requests, |
| 2271 | * reset TXQ indices |
| 2272 | */ |
| 2273 | txq->head = notified_idx; |
| 2274 | txq->tail = notified_idx; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2275 | } |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2276 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2277 | } |
| 2278 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2279 | static void be_evt_queues_destroy(struct be_adapter *adapter) |
| 2280 | { |
| 2281 | struct be_eq_obj *eqo; |
| 2282 | int i; |
| 2283 | |
| 2284 | for_all_evt_queues(adapter, eqo, i) { |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 2285 | if (eqo->q.created) { |
| 2286 | be_eq_clean(eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2287 | be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2288 | napi_hash_del(&eqo->napi); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2289 | netif_napi_del(&eqo->napi); |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 2290 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2291 | be_queue_free(adapter, &eqo->q); |
| 2292 | } |
| 2293 | } |
| 2294 | |
| 2295 | static int be_evt_queues_create(struct be_adapter *adapter) |
| 2296 | { |
| 2297 | struct be_queue_info *eq; |
| 2298 | struct be_eq_obj *eqo; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2299 | struct be_aic_obj *aic; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2300 | int i, rc; |
| 2301 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2302 | adapter->num_evt_qs = min_t(u16, num_irqs(adapter), |
| 2303 | adapter->cfg_num_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2304 | |
| 2305 | for_all_evt_queues(adapter, eqo, i) { |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2306 | netif_napi_add(adapter->netdev, &eqo->napi, be_poll, |
| 2307 | BE_NAPI_WEIGHT); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2308 | napi_hash_add(&eqo->napi); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2309 | aic = &adapter->aic_obj[i]; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2310 | eqo->adapter = adapter; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2311 | eqo->idx = i; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2312 | aic->max_eqd = BE_MAX_EQD; |
| 2313 | aic->enable = true; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2314 | |
| 2315 | eq = &eqo->q; |
| 2316 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2317 | sizeof(struct be_eq_entry)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2318 | if (rc) |
| 2319 | return rc; |
| 2320 | |
Sathya Perla | f2f781a | 2013-08-27 16:57:30 +0530 | [diff] [blame] | 2321 | rc = be_cmd_eq_create(adapter, eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2322 | if (rc) |
| 2323 | return rc; |
| 2324 | } |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 2325 | return 0; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2326 | } |
| 2327 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2328 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
| 2329 | { |
| 2330 | struct be_queue_info *q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2331 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2332 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2333 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2334 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2335 | be_queue_free(adapter, q); |
| 2336 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2337 | q = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2338 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2339 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2340 | be_queue_free(adapter, q); |
| 2341 | } |
| 2342 | |
| 2343 | /* Must be called only after TX qs are created as MCC shares TX EQ */ |
| 2344 | static int be_mcc_queues_create(struct be_adapter *adapter) |
| 2345 | { |
| 2346 | struct be_queue_info *q, *cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2347 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2348 | cq = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2349 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2350 | sizeof(struct be_mcc_compl))) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2351 | goto err; |
| 2352 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2353 | /* Use the default EQ for MCC completions */ |
| 2354 | 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] | 2355 | goto mcc_cq_free; |
| 2356 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2357 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2358 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
| 2359 | goto mcc_cq_destroy; |
| 2360 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2361 | if (be_cmd_mccq_create(adapter, q, cq)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2362 | goto mcc_q_free; |
| 2363 | |
| 2364 | return 0; |
| 2365 | |
| 2366 | mcc_q_free: |
| 2367 | be_queue_free(adapter, q); |
| 2368 | mcc_cq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2369 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2370 | mcc_cq_free: |
| 2371 | be_queue_free(adapter, cq); |
| 2372 | err: |
| 2373 | return -1; |
| 2374 | } |
| 2375 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2376 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
| 2377 | { |
| 2378 | struct be_queue_info *q; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2379 | struct be_tx_obj *txo; |
| 2380 | u8 i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2381 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2382 | for_all_tx_queues(adapter, txo, i) { |
| 2383 | q = &txo->q; |
| 2384 | if (q->created) |
| 2385 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
| 2386 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2387 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2388 | q = &txo->cq; |
| 2389 | if (q->created) |
| 2390 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2391 | be_queue_free(adapter, q); |
| 2392 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2393 | } |
| 2394 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 2395 | static int be_tx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2396 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2397 | struct be_queue_info *cq, *eq; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2398 | struct be_tx_obj *txo; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2399 | int status, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2400 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2401 | 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] | 2402 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2403 | for_all_tx_queues(adapter, txo, i) { |
| 2404 | cq = &txo->cq; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2405 | status = be_queue_alloc(adapter, cq, TX_CQ_LEN, |
| 2406 | sizeof(struct be_eth_tx_compl)); |
| 2407 | if (status) |
| 2408 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2409 | |
John Stultz | 827da44 | 2013-10-07 15:51:58 -0700 | [diff] [blame] | 2410 | u64_stats_init(&txo->stats.sync); |
| 2411 | u64_stats_init(&txo->stats.sync_compl); |
| 2412 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2413 | /* If num_evt_qs is less than num_tx_qs, then more than |
| 2414 | * one txq share an eq |
| 2415 | */ |
| 2416 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 2417 | status = be_cmd_cq_create(adapter, cq, eq, false, 3); |
| 2418 | if (status) |
| 2419 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2420 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2421 | status = be_queue_alloc(adapter, &txo->q, TX_Q_LEN, |
| 2422 | sizeof(struct be_eth_wrb)); |
| 2423 | if (status) |
| 2424 | return status; |
| 2425 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 2426 | status = be_cmd_txq_create(adapter, txo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2427 | if (status) |
| 2428 | return status; |
| 2429 | } |
| 2430 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2431 | dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n", |
| 2432 | adapter->num_tx_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2433 | return 0; |
| 2434 | } |
| 2435 | |
| 2436 | static void be_rx_cqs_destroy(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2437 | { |
| 2438 | struct be_queue_info *q; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2439 | struct be_rx_obj *rxo; |
| 2440 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2441 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2442 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2443 | q = &rxo->cq; |
| 2444 | if (q->created) |
| 2445 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2446 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2447 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2448 | } |
| 2449 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2450 | static int be_rx_cqs_create(struct be_adapter *adapter) |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2451 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2452 | struct be_queue_info *eq, *cq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2453 | struct be_rx_obj *rxo; |
| 2454 | int rc, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2455 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2456 | /* We can create as many RSS rings as there are EQs. */ |
| 2457 | adapter->num_rx_qs = adapter->num_evt_qs; |
| 2458 | |
| 2459 | /* We'll use RSS only if atleast 2 RSS rings are supported. |
| 2460 | * When RSS is used, we'll need a default RXQ for non-IP traffic. |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2461 | */ |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2462 | if (adapter->num_rx_qs > 1) |
| 2463 | adapter->num_rx_qs++; |
| 2464 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2465 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2466 | for_all_rx_queues(adapter, rxo, i) { |
| 2467 | rxo->adapter = adapter; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2468 | cq = &rxo->cq; |
| 2469 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2470 | sizeof(struct be_eth_rx_compl)); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2471 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2472 | return rc; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2473 | |
John Stultz | 827da44 | 2013-10-07 15:51:58 -0700 | [diff] [blame] | 2474 | u64_stats_init(&rxo->stats.sync); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2475 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 2476 | rc = be_cmd_cq_create(adapter, cq, eq, false, 3); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2477 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2478 | return rc; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2479 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2480 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2481 | dev_info(&adapter->pdev->dev, |
| 2482 | "created %d RSS queue(s) and 1 default RX queue\n", |
| 2483 | adapter->num_rx_qs - 1); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2484 | return 0; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2485 | } |
| 2486 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2487 | static irqreturn_t be_intx(int irq, void *dev) |
| 2488 | { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2489 | struct be_eq_obj *eqo = dev; |
| 2490 | struct be_adapter *adapter = eqo->adapter; |
| 2491 | int num_evts = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2492 | |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2493 | /* IRQ is not expected when NAPI is scheduled as the EQ |
| 2494 | * will not be armed. |
| 2495 | * But, this can happen on Lancer INTx where it takes |
| 2496 | * a while to de-assert INTx or in BE2 where occasionaly |
| 2497 | * an interrupt may be raised even when EQ is unarmed. |
| 2498 | * If NAPI is already scheduled, then counting & notifying |
| 2499 | * events will orphan them. |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2500 | */ |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2501 | if (napi_schedule_prep(&eqo->napi)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2502 | num_evts = events_get(eqo); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2503 | __napi_schedule(&eqo->napi); |
| 2504 | if (num_evts) |
| 2505 | eqo->spurious_intr = 0; |
| 2506 | } |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2507 | be_eq_notify(adapter, eqo->q.id, false, true, num_evts); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2508 | |
| 2509 | /* Return IRQ_HANDLED only for the the first spurious intr |
| 2510 | * after a valid intr to stop the kernel from branding |
| 2511 | * this irq as a bad one! |
| 2512 | */ |
| 2513 | if (num_evts || eqo->spurious_intr++ == 0) |
| 2514 | return IRQ_HANDLED; |
| 2515 | else |
| 2516 | return IRQ_NONE; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2517 | } |
| 2518 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2519 | static irqreturn_t be_msix(int irq, void *dev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2520 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2521 | struct be_eq_obj *eqo = dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2522 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2523 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 2524 | napi_schedule(&eqo->napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2525 | return IRQ_HANDLED; |
| 2526 | } |
| 2527 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2528 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2529 | { |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 2530 | return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2531 | } |
| 2532 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2533 | 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] | 2534 | int budget, int polling) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2535 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2536 | struct be_adapter *adapter = rxo->adapter; |
| 2537 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2538 | struct be_rx_compl_info *rxcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2539 | u32 work_done; |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2540 | u32 frags_consumed = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2541 | |
| 2542 | for (work_done = 0; work_done < budget; work_done++) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2543 | rxcp = be_rx_compl_get(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2544 | if (!rxcp) |
| 2545 | break; |
| 2546 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2547 | /* Is it a flush compl that has no data */ |
| 2548 | if (unlikely(rxcp->num_rcvd == 0)) |
| 2549 | goto loop_continue; |
| 2550 | |
| 2551 | /* Discard compl with partial DMA Lancer B0 */ |
| 2552 | if (unlikely(!rxcp->pkt_size)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2553 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2554 | goto loop_continue; |
Sathya Perla | 6464281 | 2010-12-01 01:04:17 +0000 | [diff] [blame] | 2555 | } |
Padmanabh Ratnakar | 009dd87 | 2011-05-10 05:12:17 +0000 | [diff] [blame] | 2556 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2557 | /* On BE drop pkts that arrive due to imperfect filtering in |
| 2558 | * promiscuous mode on some skews |
| 2559 | */ |
| 2560 | if (unlikely(rxcp->port != adapter->port_num && |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2561 | !lancer_chip(adapter))) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2562 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2563 | goto loop_continue; |
| 2564 | } |
| 2565 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2566 | /* Don't do gro when we're busy_polling */ |
| 2567 | if (do_gro(rxcp) && polling != BUSY_POLLING) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2568 | be_rx_compl_process_gro(rxo, napi, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2569 | else |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2570 | be_rx_compl_process(rxo, napi, rxcp); |
| 2571 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2572 | loop_continue: |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2573 | frags_consumed += rxcp->num_rcvd; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2574 | be_rx_stats_update(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2575 | } |
| 2576 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2577 | if (work_done) { |
| 2578 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
Padmanabh Ratnakar | 9372cac | 2011-11-03 01:49:55 +0000 | [diff] [blame] | 2579 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2580 | /* When an rx-obj gets into post_starved state, just |
| 2581 | * let be_worker do the posting. |
| 2582 | */ |
| 2583 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM && |
| 2584 | !rxo->rx_post_starved) |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 2585 | be_post_rx_frags(rxo, GFP_ATOMIC, |
| 2586 | max_t(u32, MAX_RX_POST, |
| 2587 | frags_consumed)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2588 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2589 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2590 | return work_done; |
| 2591 | } |
| 2592 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2593 | 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] | 2594 | { |
| 2595 | switch (status) { |
| 2596 | case BE_TX_COMP_HDR_PARSE_ERR: |
| 2597 | tx_stats(txo)->tx_hdr_parse_err++; |
| 2598 | break; |
| 2599 | case BE_TX_COMP_NDMA_ERR: |
| 2600 | tx_stats(txo)->tx_dma_err++; |
| 2601 | break; |
| 2602 | case BE_TX_COMP_ACL_ERR: |
| 2603 | tx_stats(txo)->tx_spoof_check_err++; |
| 2604 | break; |
| 2605 | } |
| 2606 | } |
| 2607 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2608 | 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] | 2609 | { |
| 2610 | switch (status) { |
| 2611 | case LANCER_TX_COMP_LSO_ERR: |
| 2612 | tx_stats(txo)->tx_tso_err++; |
| 2613 | break; |
| 2614 | case LANCER_TX_COMP_HSW_DROP_MAC_ERR: |
| 2615 | case LANCER_TX_COMP_HSW_DROP_VLAN_ERR: |
| 2616 | tx_stats(txo)->tx_spoof_check_err++; |
| 2617 | break; |
| 2618 | case LANCER_TX_COMP_QINQ_ERR: |
| 2619 | tx_stats(txo)->tx_qinq_err++; |
| 2620 | break; |
| 2621 | case LANCER_TX_COMP_PARITY_ERR: |
| 2622 | tx_stats(txo)->tx_internal_parity_err++; |
| 2623 | break; |
| 2624 | case LANCER_TX_COMP_DMA_ERR: |
| 2625 | tx_stats(txo)->tx_dma_err++; |
| 2626 | break; |
| 2627 | } |
| 2628 | } |
| 2629 | |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 2630 | static void be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 2631 | int idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2632 | { |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 2633 | int num_wrbs = 0, work_done = 0; |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2634 | struct be_tx_compl_info *txcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2635 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2636 | while ((txcp = be_tx_compl_get(txo))) { |
| 2637 | num_wrbs += be_tx_compl_process(adapter, txo, txcp->end_index); |
Sathya Perla | c8f6461 | 2014-09-02 09:56:55 +0530 | [diff] [blame] | 2638 | work_done++; |
| 2639 | |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2640 | if (txcp->status) { |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 2641 | if (lancer_chip(adapter)) |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2642 | lancer_update_tx_err(txo, txcp->status); |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 2643 | else |
Sriharsha Basavapatna | 152ffe5 | 2015-02-16 08:03:47 +0530 | [diff] [blame] | 2644 | be_update_tx_err(txo, txcp->status); |
Kalesh AP | 512bb8a | 2014-09-02 09:56:49 +0530 | [diff] [blame] | 2645 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2646 | } |
| 2647 | |
| 2648 | if (work_done) { |
| 2649 | be_cq_notify(adapter, txo->cq.id, true, work_done); |
| 2650 | atomic_sub(num_wrbs, &txo->q.used); |
| 2651 | |
| 2652 | /* As Tx wrbs have been freed up, wake up netdev queue |
| 2653 | * if it was stopped due to lack of tx wrbs. */ |
| 2654 | if (__netif_subqueue_stopped(adapter->netdev, idx) && |
Sriharsha Basavapatna | cf5671e | 2015-02-16 08:03:48 +0530 | [diff] [blame] | 2655 | be_can_txq_wake(txo)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2656 | netif_wake_subqueue(adapter->netdev, idx); |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2657 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2658 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2659 | u64_stats_update_begin(&tx_stats(txo)->sync_compl); |
| 2660 | tx_stats(txo)->tx_compl += work_done; |
| 2661 | u64_stats_update_end(&tx_stats(txo)->sync_compl); |
| 2662 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2663 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2664 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 2665 | #ifdef CONFIG_NET_RX_BUSY_POLL |
| 2666 | static inline bool be_lock_napi(struct be_eq_obj *eqo) |
| 2667 | { |
| 2668 | bool status = true; |
| 2669 | |
| 2670 | spin_lock(&eqo->lock); /* BH is already disabled */ |
| 2671 | if (eqo->state & BE_EQ_LOCKED) { |
| 2672 | WARN_ON(eqo->state & BE_EQ_NAPI); |
| 2673 | eqo->state |= BE_EQ_NAPI_YIELD; |
| 2674 | status = false; |
| 2675 | } else { |
| 2676 | eqo->state = BE_EQ_NAPI; |
| 2677 | } |
| 2678 | spin_unlock(&eqo->lock); |
| 2679 | return status; |
| 2680 | } |
| 2681 | |
| 2682 | static inline void be_unlock_napi(struct be_eq_obj *eqo) |
| 2683 | { |
| 2684 | spin_lock(&eqo->lock); /* BH is already disabled */ |
| 2685 | |
| 2686 | WARN_ON(eqo->state & (BE_EQ_POLL | BE_EQ_NAPI_YIELD)); |
| 2687 | eqo->state = BE_EQ_IDLE; |
| 2688 | |
| 2689 | spin_unlock(&eqo->lock); |
| 2690 | } |
| 2691 | |
| 2692 | static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) |
| 2693 | { |
| 2694 | bool status = true; |
| 2695 | |
| 2696 | spin_lock_bh(&eqo->lock); |
| 2697 | if (eqo->state & BE_EQ_LOCKED) { |
| 2698 | eqo->state |= BE_EQ_POLL_YIELD; |
| 2699 | status = false; |
| 2700 | } else { |
| 2701 | eqo->state |= BE_EQ_POLL; |
| 2702 | } |
| 2703 | spin_unlock_bh(&eqo->lock); |
| 2704 | return status; |
| 2705 | } |
| 2706 | |
| 2707 | static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) |
| 2708 | { |
| 2709 | spin_lock_bh(&eqo->lock); |
| 2710 | |
| 2711 | WARN_ON(eqo->state & (BE_EQ_NAPI)); |
| 2712 | eqo->state = BE_EQ_IDLE; |
| 2713 | |
| 2714 | spin_unlock_bh(&eqo->lock); |
| 2715 | } |
| 2716 | |
| 2717 | static inline void be_enable_busy_poll(struct be_eq_obj *eqo) |
| 2718 | { |
| 2719 | spin_lock_init(&eqo->lock); |
| 2720 | eqo->state = BE_EQ_IDLE; |
| 2721 | } |
| 2722 | |
| 2723 | static inline void be_disable_busy_poll(struct be_eq_obj *eqo) |
| 2724 | { |
| 2725 | local_bh_disable(); |
| 2726 | |
| 2727 | /* It's enough to just acquire napi lock on the eqo to stop |
| 2728 | * be_busy_poll() from processing any queueus. |
| 2729 | */ |
| 2730 | while (!be_lock_napi(eqo)) |
| 2731 | mdelay(1); |
| 2732 | |
| 2733 | local_bh_enable(); |
| 2734 | } |
| 2735 | |
| 2736 | #else /* CONFIG_NET_RX_BUSY_POLL */ |
| 2737 | |
| 2738 | static inline bool be_lock_napi(struct be_eq_obj *eqo) |
| 2739 | { |
| 2740 | return true; |
| 2741 | } |
| 2742 | |
| 2743 | static inline void be_unlock_napi(struct be_eq_obj *eqo) |
| 2744 | { |
| 2745 | } |
| 2746 | |
| 2747 | static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) |
| 2748 | { |
| 2749 | return false; |
| 2750 | } |
| 2751 | |
| 2752 | static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) |
| 2753 | { |
| 2754 | } |
| 2755 | |
| 2756 | static inline void be_enable_busy_poll(struct be_eq_obj *eqo) |
| 2757 | { |
| 2758 | } |
| 2759 | |
| 2760 | static inline void be_disable_busy_poll(struct be_eq_obj *eqo) |
| 2761 | { |
| 2762 | } |
| 2763 | #endif /* CONFIG_NET_RX_BUSY_POLL */ |
| 2764 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2765 | int be_poll(struct napi_struct *napi, int budget) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2766 | { |
| 2767 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 2768 | struct be_adapter *adapter = eqo->adapter; |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2769 | int max_work = 0, work, i, num_evts; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2770 | struct be_rx_obj *rxo; |
Sathya Perla | a4906ea | 2014-09-02 09:56:56 +0530 | [diff] [blame] | 2771 | struct be_tx_obj *txo; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2772 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2773 | num_evts = events_get(eqo); |
| 2774 | |
Sathya Perla | a4906ea | 2014-09-02 09:56:56 +0530 | [diff] [blame] | 2775 | for_all_tx_queues_on_eq(adapter, eqo, txo, i) |
| 2776 | be_process_tx(adapter, txo, i); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2777 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2778 | if (be_lock_napi(eqo)) { |
| 2779 | /* This loop will iterate twice for EQ0 in which |
| 2780 | * completions of the last RXQ (default one) are also processed |
| 2781 | * For other EQs the loop iterates only once |
| 2782 | */ |
| 2783 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 2784 | work = be_process_rx(rxo, napi, budget, NAPI_POLLING); |
| 2785 | max_work = max(work, max_work); |
| 2786 | } |
| 2787 | be_unlock_napi(eqo); |
| 2788 | } else { |
| 2789 | max_work = budget; |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 2790 | } |
| 2791 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2792 | if (is_mcc_eqo(eqo)) |
| 2793 | be_process_mcc(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2794 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2795 | if (max_work < budget) { |
| 2796 | napi_complete(napi); |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2797 | be_eq_notify(adapter, eqo->q.id, true, false, num_evts); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2798 | } else { |
| 2799 | /* As we'll continue in polling mode, count and clear events */ |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2800 | be_eq_notify(adapter, eqo->q.id, false, false, num_evts); |
Padmanabh Ratnakar | 93c8670 | 2011-12-19 01:53:35 +0000 | [diff] [blame] | 2801 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2802 | return max_work; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2803 | } |
| 2804 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2805 | #ifdef CONFIG_NET_RX_BUSY_POLL |
| 2806 | static int be_busy_poll(struct napi_struct *napi) |
| 2807 | { |
| 2808 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 2809 | struct be_adapter *adapter = eqo->adapter; |
| 2810 | struct be_rx_obj *rxo; |
| 2811 | int i, work = 0; |
| 2812 | |
| 2813 | if (!be_lock_busy_poll(eqo)) |
| 2814 | return LL_FLUSH_BUSY; |
| 2815 | |
| 2816 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 2817 | work = be_process_rx(rxo, napi, 4, BUSY_POLLING); |
| 2818 | if (work) |
| 2819 | break; |
| 2820 | } |
| 2821 | |
| 2822 | be_unlock_busy_poll(eqo); |
| 2823 | return work; |
| 2824 | } |
| 2825 | #endif |
| 2826 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2827 | void be_detect_error(struct be_adapter *adapter) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2828 | { |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2829 | u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; |
| 2830 | u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2831 | u32 i; |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2832 | bool error_detected = false; |
| 2833 | struct device *dev = &adapter->pdev->dev; |
| 2834 | struct net_device *netdev = adapter->netdev; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2835 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2836 | if (be_hw_error(adapter)) |
Sathya Perla | 72f0248 | 2011-11-10 19:17:58 +0000 | [diff] [blame] | 2837 | return; |
| 2838 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2839 | if (lancer_chip(adapter)) { |
| 2840 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); |
| 2841 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
| 2842 | sliport_err1 = ioread32(adapter->db + |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2843 | SLIPORT_ERROR1_OFFSET); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2844 | sliport_err2 = ioread32(adapter->db + |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2845 | SLIPORT_ERROR2_OFFSET); |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2846 | adapter->hw_error = true; |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 2847 | error_detected = true; |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2848 | /* Do not log error messages if its a FW reset */ |
| 2849 | if (sliport_err1 == SLIPORT_ERROR_FW_RESET1 && |
| 2850 | sliport_err2 == SLIPORT_ERROR_FW_RESET2) { |
| 2851 | dev_info(dev, "Firmware update in progress\n"); |
| 2852 | } else { |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2853 | dev_err(dev, "Error detected in the card\n"); |
| 2854 | dev_err(dev, "ERR: sliport status 0x%x\n", |
| 2855 | sliport_status); |
| 2856 | dev_err(dev, "ERR: sliport error1 0x%x\n", |
| 2857 | sliport_err1); |
| 2858 | dev_err(dev, "ERR: sliport error2 0x%x\n", |
| 2859 | sliport_err2); |
| 2860 | } |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2861 | } |
| 2862 | } else { |
| 2863 | pci_read_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2864 | PCICFG_UE_STATUS_LOW, &ue_lo); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2865 | pci_read_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2866 | PCICFG_UE_STATUS_HIGH, &ue_hi); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2867 | pci_read_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2868 | PCICFG_UE_STATUS_LOW_MASK, &ue_lo_mask); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2869 | pci_read_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2870 | PCICFG_UE_STATUS_HI_MASK, &ue_hi_mask); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2871 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2872 | ue_lo = (ue_lo & ~ue_lo_mask); |
| 2873 | ue_hi = (ue_hi & ~ue_hi_mask); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2874 | |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2875 | /* On certain platforms BE hardware can indicate spurious UEs. |
| 2876 | * Allow HW to stop working completely in case of a real UE. |
| 2877 | * Hence not setting the hw_error for UE detection. |
| 2878 | */ |
| 2879 | |
| 2880 | if (ue_lo || ue_hi) { |
| 2881 | error_detected = true; |
| 2882 | dev_err(dev, |
| 2883 | "Unrecoverable Error detected in the adapter"); |
| 2884 | dev_err(dev, "Please reboot server to recover"); |
| 2885 | if (skyhawk_chip(adapter)) |
| 2886 | adapter->hw_error = true; |
| 2887 | for (i = 0; ue_lo; ue_lo >>= 1, i++) { |
| 2888 | if (ue_lo & 1) |
| 2889 | dev_err(dev, "UE: %s bit set\n", |
| 2890 | ue_status_low_desc[i]); |
| 2891 | } |
| 2892 | for (i = 0; ue_hi; ue_hi >>= 1, i++) { |
| 2893 | if (ue_hi & 1) |
| 2894 | dev_err(dev, "UE: %s bit set\n", |
| 2895 | ue_status_hi_desc[i]); |
| 2896 | } |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 2897 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2898 | } |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2899 | if (error_detected) |
| 2900 | netif_carrier_off(netdev); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2901 | } |
| 2902 | |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2903 | static void be_msix_disable(struct be_adapter *adapter) |
| 2904 | { |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2905 | if (msix_enabled(adapter)) { |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2906 | pci_disable_msix(adapter->pdev); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2907 | adapter->num_msix_vec = 0; |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2908 | adapter->num_msix_roce_vec = 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2909 | } |
| 2910 | } |
| 2911 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2912 | static int be_msix_enable(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2913 | { |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 2914 | int i, num_vec; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2915 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2916 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2917 | /* If RoCE is supported, program the max number of NIC vectors that |
| 2918 | * may be configured via set-channels, along with vectors needed for |
| 2919 | * RoCe. Else, just program the number we'll use initially. |
| 2920 | */ |
| 2921 | if (be_roce_supported(adapter)) |
| 2922 | num_vec = min_t(int, 2 * be_max_eqs(adapter), |
| 2923 | 2 * num_online_cpus()); |
| 2924 | else |
| 2925 | num_vec = adapter->cfg_num_qs; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2926 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2927 | for (i = 0; i < num_vec; i++) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2928 | adapter->msix_entries[i].entry = i; |
| 2929 | |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 2930 | num_vec = pci_enable_msix_range(adapter->pdev, adapter->msix_entries, |
| 2931 | MIN_MSIX_VECTORS, num_vec); |
| 2932 | if (num_vec < 0) |
| 2933 | goto fail; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2934 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2935 | if (be_roce_supported(adapter) && num_vec > MIN_MSIX_VECTORS) { |
| 2936 | adapter->num_msix_roce_vec = num_vec / 2; |
| 2937 | dev_info(dev, "enabled %d MSI-x vector(s) for RoCE\n", |
| 2938 | adapter->num_msix_roce_vec); |
| 2939 | } |
| 2940 | |
| 2941 | adapter->num_msix_vec = num_vec - adapter->num_msix_roce_vec; |
| 2942 | |
| 2943 | dev_info(dev, "enabled %d MSI-x vector(s) for NIC\n", |
| 2944 | adapter->num_msix_vec); |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2945 | return 0; |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 2946 | |
| 2947 | fail: |
| 2948 | dev_warn(dev, "MSIx enable failed\n"); |
| 2949 | |
| 2950 | /* INTx is not supported in VFs, so fail probe if enable_msix fails */ |
| 2951 | if (!be_physfn(adapter)) |
| 2952 | return num_vec; |
| 2953 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2954 | } |
| 2955 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2956 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2957 | struct be_eq_obj *eqo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2958 | { |
Sathya Perla | f2f781a | 2013-08-27 16:57:30 +0530 | [diff] [blame] | 2959 | return adapter->msix_entries[eqo->msix_idx].vector; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2960 | } |
| 2961 | |
| 2962 | static int be_msix_register(struct be_adapter *adapter) |
| 2963 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2964 | struct net_device *netdev = adapter->netdev; |
| 2965 | struct be_eq_obj *eqo; |
| 2966 | int status, i, vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2967 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2968 | for_all_evt_queues(adapter, eqo, i) { |
| 2969 | sprintf(eqo->desc, "%s-q%d", netdev->name, i); |
| 2970 | vec = be_msix_vec_get(adapter, eqo); |
| 2971 | status = request_irq(vec, be_msix, 0, eqo->desc, eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2972 | if (status) |
| 2973 | goto err_msix; |
| 2974 | } |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2975 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2976 | return 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2977 | err_msix: |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2978 | for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) |
| 2979 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
| 2980 | dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2981 | status); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2982 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2983 | return status; |
| 2984 | } |
| 2985 | |
| 2986 | static int be_irq_register(struct be_adapter *adapter) |
| 2987 | { |
| 2988 | struct net_device *netdev = adapter->netdev; |
| 2989 | int status; |
| 2990 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2991 | if (msix_enabled(adapter)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2992 | status = be_msix_register(adapter); |
| 2993 | if (status == 0) |
| 2994 | goto done; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2995 | /* INTx is not supported for VF */ |
| 2996 | if (!be_physfn(adapter)) |
| 2997 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2998 | } |
| 2999 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3000 | /* INTx: only the first EQ is used */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3001 | netdev->irq = adapter->pdev->irq; |
| 3002 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3003 | &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3004 | if (status) { |
| 3005 | dev_err(&adapter->pdev->dev, |
| 3006 | "INTx request IRQ failed - err %d\n", status); |
| 3007 | return status; |
| 3008 | } |
| 3009 | done: |
| 3010 | adapter->isr_registered = true; |
| 3011 | return 0; |
| 3012 | } |
| 3013 | |
| 3014 | static void be_irq_unregister(struct be_adapter *adapter) |
| 3015 | { |
| 3016 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3017 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3018 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3019 | |
| 3020 | if (!adapter->isr_registered) |
| 3021 | return; |
| 3022 | |
| 3023 | /* INTx */ |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 3024 | if (!msix_enabled(adapter)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3025 | free_irq(netdev->irq, &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3026 | goto done; |
| 3027 | } |
| 3028 | |
| 3029 | /* MSIx */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3030 | for_all_evt_queues(adapter, eqo, i) |
| 3031 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3032 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3033 | done: |
| 3034 | adapter->isr_registered = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3035 | } |
| 3036 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3037 | static void be_rx_qs_destroy(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3038 | { |
| 3039 | struct be_queue_info *q; |
| 3040 | struct be_rx_obj *rxo; |
| 3041 | int i; |
| 3042 | |
| 3043 | for_all_rx_queues(adapter, rxo, i) { |
| 3044 | q = &rxo->q; |
| 3045 | if (q->created) { |
| 3046 | be_cmd_rxq_destroy(adapter, q); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3047 | be_rx_cq_clean(rxo); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3048 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3049 | be_queue_free(adapter, q); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3050 | } |
| 3051 | } |
| 3052 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3053 | static int be_close(struct net_device *netdev) |
| 3054 | { |
| 3055 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3056 | struct be_eq_obj *eqo; |
| 3057 | int i; |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3058 | |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 3059 | /* This protection is needed as be_close() may be called even when the |
| 3060 | * adapter is in cleared state (after eeh perm failure) |
| 3061 | */ |
| 3062 | if (!(adapter->flags & BE_FLAGS_SETUP_DONE)) |
| 3063 | return 0; |
| 3064 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3065 | be_roce_dev_close(adapter); |
| 3066 | |
Ivan Vecera | dff345c5 | 2013-11-27 08:59:32 +0100 | [diff] [blame] | 3067 | if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { |
| 3068 | for_all_evt_queues(adapter, eqo, i) { |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3069 | napi_disable(&eqo->napi); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3070 | be_disable_busy_poll(eqo); |
| 3071 | } |
David S. Miller | 71237b6 | 2013-11-28 18:53:36 -0500 | [diff] [blame] | 3072 | adapter->flags &= ~BE_FLAGS_NAPI_ENABLED; |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3073 | } |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3074 | |
| 3075 | be_async_mcc_disable(adapter); |
| 3076 | |
| 3077 | /* Wait for all pending tx completions to arrive so that |
| 3078 | * all tx skbs are freed. |
| 3079 | */ |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 3080 | netif_tx_disable(netdev); |
Sathya Perla | 6e1f997 | 2013-08-22 12:23:41 +0530 | [diff] [blame] | 3081 | be_tx_compl_clean(adapter); |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3082 | |
| 3083 | be_rx_qs_destroy(adapter); |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 3084 | be_clear_uc_list(adapter); |
Ajit Khaparde | d11a347 | 2013-11-18 10:44:37 -0600 | [diff] [blame] | 3085 | |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 3086 | for_all_evt_queues(adapter, eqo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3087 | if (msix_enabled(adapter)) |
| 3088 | synchronize_irq(be_msix_vec_get(adapter, eqo)); |
| 3089 | else |
| 3090 | synchronize_irq(netdev->irq); |
| 3091 | be_eq_clean(eqo); |
Padmanabh Ratnakar | 63fcb27 | 2011-03-07 03:09:17 +0000 | [diff] [blame] | 3092 | } |
| 3093 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3094 | be_irq_unregister(adapter); |
| 3095 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3096 | return 0; |
| 3097 | } |
| 3098 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3099 | static int be_rx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3100 | { |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3101 | struct rss_info *rss = &adapter->rss_info; |
| 3102 | u8 rss_key[RSS_HASH_KEY_LEN]; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3103 | struct be_rx_obj *rxo; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3104 | int rc, i, j; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3105 | |
| 3106 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3107 | rc = be_queue_alloc(adapter, &rxo->q, RX_Q_LEN, |
| 3108 | sizeof(struct be_eth_rx_d)); |
| 3109 | if (rc) |
| 3110 | return rc; |
| 3111 | } |
| 3112 | |
| 3113 | /* The FW would like the default RXQ to be created first */ |
| 3114 | rxo = default_rxo(adapter); |
| 3115 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, rx_frag_size, |
| 3116 | adapter->if_handle, false, &rxo->rss_id); |
| 3117 | if (rc) |
| 3118 | return rc; |
| 3119 | |
| 3120 | for_all_rss_queues(adapter, rxo, i) { |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3121 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3122 | rx_frag_size, adapter->if_handle, |
| 3123 | true, &rxo->rss_id); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3124 | if (rc) |
| 3125 | return rc; |
| 3126 | } |
| 3127 | |
| 3128 | if (be_multi_rxq(adapter)) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3129 | for (j = 0; j < RSS_INDIR_TABLE_LEN; |
| 3130 | j += adapter->num_rx_qs - 1) { |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3131 | for_all_rss_queues(adapter, rxo, i) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3132 | if ((j + i) >= RSS_INDIR_TABLE_LEN) |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3133 | break; |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3134 | rss->rsstable[j + i] = rxo->rss_id; |
| 3135 | rss->rss_queue[j + i] = i; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 3136 | } |
| 3137 | } |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3138 | rss->rss_flags = RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | |
| 3139 | RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6; |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 3140 | |
| 3141 | if (!BEx_chip(adapter)) |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3142 | rss->rss_flags |= RSS_ENABLE_UDP_IPV4 | |
| 3143 | RSS_ENABLE_UDP_IPV6; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3144 | } else { |
| 3145 | /* Disable RSS, if only default RX Q is created */ |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3146 | rss->rss_flags = RSS_ENABLE_NONE; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3147 | } |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 3148 | |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3149 | netdev_rss_key_fill(rss_key, RSS_HASH_KEY_LEN); |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3150 | rc = be_cmd_rss_config(adapter, rss->rsstable, rss->rss_flags, |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3151 | 128, rss_key); |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3152 | if (rc) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3153 | rss->rss_flags = RSS_ENABLE_NONE; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 3154 | return rc; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3155 | } |
| 3156 | |
Eric Dumazet | 1dcf7b1 | 2014-11-16 06:23:10 -0800 | [diff] [blame] | 3157 | memcpy(rss->rss_hkey, rss_key, RSS_HASH_KEY_LEN); |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 3158 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3159 | /* First time posting */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3160 | for_all_rx_queues(adapter, rxo, i) |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 3161 | be_post_rx_frags(rxo, GFP_KERNEL, MAX_RX_POST); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3162 | return 0; |
| 3163 | } |
| 3164 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3165 | static int be_open(struct net_device *netdev) |
| 3166 | { |
| 3167 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3168 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3169 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3170 | struct be_tx_obj *txo; |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 3171 | u8 link_status; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3172 | int status, i; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3173 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3174 | status = be_rx_qs_create(adapter); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 3175 | if (status) |
| 3176 | goto err; |
| 3177 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 3178 | status = be_irq_register(adapter); |
| 3179 | if (status) |
| 3180 | goto err; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3181 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3182 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3183 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3184 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3185 | for_all_tx_queues(adapter, txo, i) |
| 3186 | be_cq_notify(adapter, txo->cq.id, true, 0); |
| 3187 | |
Sathya Perla | 7a1e9b2 | 2010-02-17 01:35:11 +0000 | [diff] [blame] | 3188 | be_async_mcc_enable(adapter); |
| 3189 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3190 | for_all_evt_queues(adapter, eqo, i) { |
| 3191 | napi_enable(&eqo->napi); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 3192 | be_enable_busy_poll(eqo); |
Suresh Reddy | 4cad9f3 | 2014-07-11 14:03:01 +0530 | [diff] [blame] | 3193 | be_eq_notify(adapter, eqo->q.id, true, true, 0); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3194 | } |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 3195 | adapter->flags |= BE_FLAGS_NAPI_ENABLED; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3196 | |
Sathya Perla | 323ff71 | 2012-09-28 04:39:43 +0000 | [diff] [blame] | 3197 | status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 3198 | if (!status) |
| 3199 | be_link_status_update(adapter, link_status); |
| 3200 | |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 3201 | netif_tx_start_all_queues(netdev); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3202 | be_roce_dev_open(adapter); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3203 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3204 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3205 | if (skyhawk_chip(adapter)) |
| 3206 | vxlan_get_rx_port(netdev); |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3207 | #endif |
| 3208 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 3209 | return 0; |
| 3210 | err: |
| 3211 | be_close(adapter->netdev); |
| 3212 | return -EIO; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3213 | } |
| 3214 | |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3215 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
| 3216 | { |
| 3217 | struct be_dma_mem cmd; |
| 3218 | int status = 0; |
| 3219 | u8 mac[ETH_ALEN]; |
| 3220 | |
Joe Perches | c7bf716 | 2015-03-02 19:54:47 -0800 | [diff] [blame^] | 3221 | eth_zero_addr(mac); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3222 | |
| 3223 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); |
Joe Perches | ede23fa | 2013-08-26 22:45:23 -0700 | [diff] [blame] | 3224 | cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
| 3225 | GFP_KERNEL); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 3226 | if (!cmd.va) |
Kalesh AP | 6b56868 | 2014-07-17 16:20:22 +0530 | [diff] [blame] | 3227 | return -ENOMEM; |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3228 | |
| 3229 | if (enable) { |
| 3230 | status = pci_write_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3231 | PCICFG_PM_CONTROL_OFFSET, |
| 3232 | PCICFG_PM_CONTROL_MASK); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3233 | if (status) { |
| 3234 | dev_err(&adapter->pdev->dev, |
Frans Pop | 2381a55 | 2010-03-24 07:57:36 +0000 | [diff] [blame] | 3235 | "Could not enable Wake-on-lan\n"); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3236 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
| 3237 | cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3238 | return status; |
| 3239 | } |
| 3240 | status = be_cmd_enable_magic_wol(adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3241 | adapter->netdev->dev_addr, |
| 3242 | &cmd); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3243 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); |
| 3244 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); |
| 3245 | } else { |
| 3246 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); |
| 3247 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); |
| 3248 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); |
| 3249 | } |
| 3250 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3251 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3252 | return status; |
| 3253 | } |
| 3254 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 3255 | static void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac) |
| 3256 | { |
| 3257 | u32 addr; |
| 3258 | |
| 3259 | addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0); |
| 3260 | |
| 3261 | mac[5] = (u8)(addr & 0xFF); |
| 3262 | mac[4] = (u8)((addr >> 8) & 0xFF); |
| 3263 | mac[3] = (u8)((addr >> 16) & 0xFF); |
| 3264 | /* Use the OUI from the current MAC address */ |
| 3265 | memcpy(mac, adapter->netdev->dev_addr, 3); |
| 3266 | } |
| 3267 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3268 | /* |
| 3269 | * Generate a seed MAC address from the PF MAC Address using jhash. |
| 3270 | * MAC Address for VFs are assigned incrementally starting from the seed. |
| 3271 | * These addresses are programmed in the ASIC by the PF and the VF driver |
| 3272 | * queries for the MAC address during its probe. |
| 3273 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3274 | static int be_vf_eth_addr_config(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3275 | { |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3276 | u32 vf; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3277 | int status = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3278 | u8 mac[ETH_ALEN]; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3279 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3280 | |
| 3281 | be_vf_eth_addr_generate(adapter, mac); |
| 3282 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3283 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3284 | if (BEx_chip(adapter)) |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3285 | status = be_cmd_pmac_add(adapter, mac, |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3286 | vf_cfg->if_handle, |
| 3287 | &vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3288 | else |
| 3289 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, |
| 3290 | vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3291 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3292 | if (status) |
| 3293 | dev_err(&adapter->pdev->dev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3294 | "Mac address assignment failed for VF %d\n", |
| 3295 | vf); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3296 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3297 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3298 | |
| 3299 | mac[5] += 1; |
| 3300 | } |
| 3301 | return status; |
| 3302 | } |
| 3303 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3304 | static int be_vfs_mac_query(struct be_adapter *adapter) |
| 3305 | { |
| 3306 | int status, vf; |
| 3307 | u8 mac[ETH_ALEN]; |
| 3308 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3309 | |
| 3310 | for_all_vfs(adapter, vf_cfg, vf) { |
Suresh Reddy | b188f09 | 2014-01-15 13:23:39 +0530 | [diff] [blame] | 3311 | status = be_cmd_get_active_mac(adapter, vf_cfg->pmac_id, |
| 3312 | mac, vf_cfg->if_handle, |
| 3313 | false, vf+1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3314 | if (status) |
| 3315 | return status; |
| 3316 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
| 3317 | } |
| 3318 | return 0; |
| 3319 | } |
| 3320 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3321 | static void be_vf_clear(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3322 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3323 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3324 | u32 vf; |
| 3325 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 3326 | if (pci_vfs_assigned(adapter->pdev)) { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3327 | dev_warn(&adapter->pdev->dev, |
| 3328 | "VFs are assigned to VMs: not disabling VFs\n"); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3329 | goto done; |
| 3330 | } |
| 3331 | |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 3332 | pci_disable_sriov(adapter->pdev); |
| 3333 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3334 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3335 | if (BEx_chip(adapter)) |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3336 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 3337 | vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3338 | else |
| 3339 | be_cmd_set_mac(adapter, NULL, vf_cfg->if_handle, |
| 3340 | vf + 1); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3341 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3342 | be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); |
| 3343 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3344 | done: |
| 3345 | kfree(adapter->vf_cfg); |
| 3346 | adapter->num_vfs = 0; |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 3347 | adapter->flags &= ~BE_FLAGS_SRIOV_ENABLED; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3348 | } |
| 3349 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3350 | static void be_clear_queues(struct be_adapter *adapter) |
| 3351 | { |
| 3352 | be_mcc_queues_destroy(adapter); |
| 3353 | be_rx_cqs_destroy(adapter); |
| 3354 | be_tx_queues_destroy(adapter); |
| 3355 | be_evt_queues_destroy(adapter); |
| 3356 | } |
| 3357 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3358 | static void be_cancel_worker(struct be_adapter *adapter) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3359 | { |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3360 | if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { |
| 3361 | cancel_delayed_work_sync(&adapter->work); |
| 3362 | adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; |
| 3363 | } |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3364 | } |
| 3365 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 3366 | static void be_cancel_err_detection(struct be_adapter *adapter) |
| 3367 | { |
| 3368 | if (adapter->flags & BE_FLAGS_ERR_DETECTION_SCHEDULED) { |
| 3369 | cancel_delayed_work_sync(&adapter->be_err_detection_work); |
| 3370 | adapter->flags &= ~BE_FLAGS_ERR_DETECTION_SCHEDULED; |
| 3371 | } |
| 3372 | } |
| 3373 | |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3374 | static void be_mac_clear(struct be_adapter *adapter) |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3375 | { |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3376 | if (adapter->pmac_id) { |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 3377 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 3378 | adapter->pmac_id[0], 0); |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3379 | kfree(adapter->pmac_id); |
| 3380 | adapter->pmac_id = NULL; |
| 3381 | } |
| 3382 | } |
| 3383 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3384 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3385 | static void be_disable_vxlan_offloads(struct be_adapter *adapter) |
| 3386 | { |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 3387 | struct net_device *netdev = adapter->netdev; |
| 3388 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3389 | if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) |
| 3390 | be_cmd_manage_iface(adapter, adapter->if_handle, |
| 3391 | OP_CONVERT_TUNNEL_TO_NORMAL); |
| 3392 | |
| 3393 | if (adapter->vxlan_port) |
| 3394 | be_cmd_set_vxlan_port(adapter, 0); |
| 3395 | |
| 3396 | adapter->flags &= ~BE_FLAGS_VXLAN_OFFLOADS; |
| 3397 | adapter->vxlan_port = 0; |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 3398 | |
| 3399 | netdev->hw_enc_features = 0; |
| 3400 | netdev->hw_features &= ~(NETIF_F_GSO_UDP_TUNNEL); |
Sriharsha Basavapatna | ac9a3d8 | 2014-12-19 10:00:18 +0530 | [diff] [blame] | 3401 | netdev->features &= ~(NETIF_F_GSO_UDP_TUNNEL); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3402 | } |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3403 | #endif |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3404 | |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3405 | static int be_clear(struct be_adapter *adapter) |
| 3406 | { |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3407 | be_cancel_worker(adapter); |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3408 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3409 | if (sriov_enabled(adapter)) |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3410 | be_vf_clear(adapter); |
| 3411 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3412 | /* Re-configure FW to distribute resources evenly across max-supported |
| 3413 | * number of VFs, only when VFs are not already enabled. |
| 3414 | */ |
| 3415 | if (be_physfn(adapter) && !pci_vfs_assigned(adapter->pdev)) |
| 3416 | be_cmd_set_sriov_config(adapter, adapter->pool_res, |
| 3417 | pci_sriov_get_totalvfs(adapter->pdev)); |
| 3418 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3419 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3420 | be_disable_vxlan_offloads(adapter); |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3421 | #endif |
Sathya Perla | 2d17f40 | 2013-07-23 15:25:04 +0530 | [diff] [blame] | 3422 | /* delete the primary mac along with the uc-mac list */ |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3423 | be_mac_clear(adapter); |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 3424 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3425 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3426 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3427 | be_clear_queues(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3428 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3429 | be_msix_disable(adapter); |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 3430 | adapter->flags &= ~BE_FLAGS_SETUP_DONE; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3431 | return 0; |
| 3432 | } |
| 3433 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3434 | static int be_if_create(struct be_adapter *adapter, u32 *if_handle, |
| 3435 | u32 cap_flags, u32 vf) |
| 3436 | { |
| 3437 | u32 en_flags; |
| 3438 | int status; |
| 3439 | |
| 3440 | en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 3441 | BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS | |
| 3442 | BE_IF_FLAGS_RSS; |
| 3443 | |
| 3444 | en_flags &= cap_flags; |
| 3445 | |
| 3446 | status = be_cmd_if_create(adapter, cap_flags, en_flags, |
| 3447 | if_handle, vf); |
| 3448 | |
| 3449 | return status; |
| 3450 | } |
| 3451 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3452 | static int be_vfs_if_create(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3453 | { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3454 | struct be_resources res = {0}; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3455 | struct be_vf_cfg *vf_cfg; |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3456 | u32 cap_flags, vf; |
| 3457 | int status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3458 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3459 | /* If a FW profile exists, then cap_flags are updated */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3460 | cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 3461 | BE_IF_FLAGS_MULTICAST; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3462 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3463 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3464 | if (!BE3_chip(adapter)) { |
| 3465 | status = be_cmd_get_profile_config(adapter, &res, |
| 3466 | vf + 1); |
| 3467 | if (!status) |
| 3468 | cap_flags = res.if_cap_flags; |
| 3469 | } |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3470 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3471 | status = be_if_create(adapter, &vf_cfg->if_handle, |
| 3472 | cap_flags, vf + 1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3473 | if (status) |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3474 | return status; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3475 | } |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 3476 | |
| 3477 | return 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3478 | } |
| 3479 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3480 | static int be_vf_setup_init(struct be_adapter *adapter) |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3481 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3482 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3483 | int vf; |
| 3484 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3485 | adapter->vf_cfg = kcalloc(adapter->num_vfs, sizeof(*vf_cfg), |
| 3486 | GFP_KERNEL); |
| 3487 | if (!adapter->vf_cfg) |
| 3488 | return -ENOMEM; |
| 3489 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3490 | for_all_vfs(adapter, vf_cfg, vf) { |
| 3491 | vf_cfg->if_handle = -1; |
| 3492 | vf_cfg->pmac_id = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3493 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3494 | return 0; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3495 | } |
| 3496 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3497 | static int be_vf_setup(struct be_adapter *adapter) |
| 3498 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3499 | struct device *dev = &adapter->pdev->dev; |
Somnath Kotur | c502224 | 2014-03-03 14:24:20 +0530 | [diff] [blame] | 3500 | struct be_vf_cfg *vf_cfg; |
| 3501 | int status, old_vfs, vf; |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3502 | u32 privileges; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3503 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 3504 | old_vfs = pci_num_vf(adapter->pdev); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3505 | |
| 3506 | status = be_vf_setup_init(adapter); |
| 3507 | if (status) |
| 3508 | goto err; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3509 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3510 | if (old_vfs) { |
| 3511 | for_all_vfs(adapter, vf_cfg, vf) { |
| 3512 | status = be_cmd_get_if_id(adapter, vf_cfg, vf); |
| 3513 | if (status) |
| 3514 | goto err; |
| 3515 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3516 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3517 | status = be_vfs_mac_query(adapter); |
| 3518 | if (status) |
| 3519 | goto err; |
| 3520 | } else { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3521 | status = be_vfs_if_create(adapter); |
| 3522 | if (status) |
| 3523 | goto err; |
| 3524 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3525 | status = be_vf_eth_addr_config(adapter); |
| 3526 | if (status) |
| 3527 | goto err; |
| 3528 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3529 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3530 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3531 | /* Allow VFs to programs MAC/VLAN filters */ |
| 3532 | status = be_cmd_get_fn_privileges(adapter, &privileges, vf + 1); |
| 3533 | if (!status && !(privileges & BE_PRIV_FILTMGMT)) { |
| 3534 | status = be_cmd_set_fn_privileges(adapter, |
| 3535 | privileges | |
| 3536 | BE_PRIV_FILTMGMT, |
| 3537 | vf + 1); |
| 3538 | if (!status) |
| 3539 | dev_info(dev, "VF%d has FILTMGMT privilege\n", |
| 3540 | vf); |
| 3541 | } |
| 3542 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 3543 | /* Allow full available bandwidth */ |
| 3544 | if (!old_vfs) |
| 3545 | be_cmd_config_qos(adapter, 0, 0, vf + 1); |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 3546 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 3547 | if (!old_vfs) { |
Vasundhara Volam | 0599863 | 2013-10-01 15:59:59 +0530 | [diff] [blame] | 3548 | be_cmd_enable_vf(adapter, vf + 1); |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 3549 | be_cmd_set_logical_link_config(adapter, |
| 3550 | IFLA_VF_LINK_STATE_AUTO, |
| 3551 | vf+1); |
| 3552 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3553 | } |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 3554 | |
| 3555 | if (!old_vfs) { |
| 3556 | status = pci_enable_sriov(adapter->pdev, adapter->num_vfs); |
| 3557 | if (status) { |
| 3558 | dev_err(dev, "SRIOV enable failed\n"); |
| 3559 | adapter->num_vfs = 0; |
| 3560 | goto err; |
| 3561 | } |
| 3562 | } |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 3563 | |
| 3564 | adapter->flags |= BE_FLAGS_SRIOV_ENABLED; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3565 | return 0; |
| 3566 | err: |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3567 | dev_err(dev, "VF setup failed\n"); |
| 3568 | be_vf_clear(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3569 | return status; |
| 3570 | } |
| 3571 | |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3572 | /* Converting function_mode bits on BE3 to SH mc_type enums */ |
| 3573 | |
| 3574 | static u8 be_convert_mc_type(u32 function_mode) |
| 3575 | { |
Suresh Reddy | 66064db | 2014-06-23 16:41:29 +0530 | [diff] [blame] | 3576 | if (function_mode & VNIC_MODE && function_mode & QNQ_MODE) |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3577 | return vNIC1; |
Suresh Reddy | 66064db | 2014-06-23 16:41:29 +0530 | [diff] [blame] | 3578 | else if (function_mode & QNQ_MODE) |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3579 | return FLEX10; |
| 3580 | else if (function_mode & VNIC_MODE) |
| 3581 | return vNIC2; |
| 3582 | else if (function_mode & UMC_ENABLED) |
| 3583 | return UMC; |
| 3584 | else |
| 3585 | return MC_NONE; |
| 3586 | } |
| 3587 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3588 | /* On BE2/BE3 FW does not suggest the supported limits */ |
| 3589 | static void BEx_get_resources(struct be_adapter *adapter, |
| 3590 | struct be_resources *res) |
| 3591 | { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3592 | bool use_sriov = adapter->num_vfs ? 1 : 0; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3593 | |
| 3594 | if (be_physfn(adapter)) |
| 3595 | res->max_uc_mac = BE_UC_PMAC_COUNT; |
| 3596 | else |
| 3597 | res->max_uc_mac = BE_VF_UC_PMAC_COUNT; |
| 3598 | |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3599 | adapter->mc_type = be_convert_mc_type(adapter->function_mode); |
| 3600 | |
| 3601 | if (be_is_mc(adapter)) { |
| 3602 | /* Assuming that there are 4 channels per port, |
| 3603 | * when multi-channel is enabled |
| 3604 | */ |
| 3605 | if (be_is_qnq_mode(adapter)) |
| 3606 | res->max_vlans = BE_NUM_VLANS_SUPPORTED/8; |
| 3607 | else |
| 3608 | /* In a non-qnq multichannel mode, the pvid |
| 3609 | * takes up one vlan entry |
| 3610 | */ |
| 3611 | res->max_vlans = (BE_NUM_VLANS_SUPPORTED / 4) - 1; |
| 3612 | } else { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3613 | res->max_vlans = BE_NUM_VLANS_SUPPORTED; |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3614 | } |
| 3615 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3616 | res->max_mcast_mac = BE_MAX_MC; |
| 3617 | |
Vasundhara Volam | a5243da | 2014-03-11 18:53:07 +0530 | [diff] [blame] | 3618 | /* 1) For BE3 1Gb ports, FW does not support multiple TXQs |
| 3619 | * 2) Create multiple TX rings on a BE3-R multi-channel interface |
| 3620 | * *only* if it is RSS-capable. |
| 3621 | */ |
| 3622 | if (BE2_chip(adapter) || use_sriov || (adapter->port_num > 1) || |
| 3623 | !be_physfn(adapter) || (be_is_mc(adapter) && |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 3624 | !(adapter->function_caps & BE_FUNCTION_CAPS_RSS))) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3625 | res->max_tx_qs = 1; |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 3626 | } else if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { |
| 3627 | struct be_resources super_nic_res = {0}; |
| 3628 | |
| 3629 | /* On a SuperNIC profile, the driver needs to use the |
| 3630 | * GET_PROFILE_CONFIG cmd to query the per-function TXQ limits |
| 3631 | */ |
| 3632 | be_cmd_get_profile_config(adapter, &super_nic_res, 0); |
| 3633 | /* Some old versions of BE3 FW don't report max_tx_qs value */ |
| 3634 | res->max_tx_qs = super_nic_res.max_tx_qs ? : BE3_MAX_TX_QS; |
| 3635 | } else { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3636 | res->max_tx_qs = BE3_MAX_TX_QS; |
Suresh Reddy | a28277d | 2014-09-02 09:56:57 +0530 | [diff] [blame] | 3637 | } |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3638 | |
| 3639 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && |
| 3640 | !use_sriov && be_physfn(adapter)) |
| 3641 | res->max_rss_qs = (adapter->be3_native) ? |
| 3642 | BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; |
| 3643 | res->max_rx_qs = res->max_rss_qs + 1; |
| 3644 | |
Suresh Reddy | e3dc867 | 2014-01-06 13:02:25 +0530 | [diff] [blame] | 3645 | if (be_physfn(adapter)) |
Vasundhara Volam | d3518e2 | 2014-07-17 16:20:29 +0530 | [diff] [blame] | 3646 | res->max_evt_qs = (be_max_vfs(adapter) > 0) ? |
Suresh Reddy | e3dc867 | 2014-01-06 13:02:25 +0530 | [diff] [blame] | 3647 | BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS; |
| 3648 | else |
| 3649 | res->max_evt_qs = 1; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3650 | |
| 3651 | res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; |
| 3652 | if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) |
| 3653 | res->if_cap_flags &= ~BE_IF_FLAGS_RSS; |
| 3654 | } |
| 3655 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3656 | static void be_setup_init(struct be_adapter *adapter) |
| 3657 | { |
| 3658 | adapter->vlan_prio_bmap = 0xff; |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3659 | adapter->phy.link_speed = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3660 | adapter->if_handle = -1; |
| 3661 | adapter->be3_native = false; |
Sathya Perla | f66b7cf | 2015-02-06 08:18:41 -0500 | [diff] [blame] | 3662 | adapter->if_flags = 0; |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3663 | if (be_physfn(adapter)) |
| 3664 | adapter->cmd_privileges = MAX_PRIVILEGES; |
| 3665 | else |
| 3666 | adapter->cmd_privileges = MIN_PRIVILEGES; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3667 | } |
| 3668 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3669 | static int be_get_sriov_config(struct be_adapter *adapter) |
| 3670 | { |
| 3671 | struct device *dev = &adapter->pdev->dev; |
| 3672 | struct be_resources res = {0}; |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3673 | int max_vfs, old_vfs; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3674 | |
| 3675 | /* Some old versions of BE3 FW don't report max_vfs value */ |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3676 | be_cmd_get_profile_config(adapter, &res, 0); |
| 3677 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3678 | if (BE3_chip(adapter) && !res.max_vfs) { |
| 3679 | max_vfs = pci_sriov_get_totalvfs(adapter->pdev); |
| 3680 | res.max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; |
| 3681 | } |
| 3682 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3683 | adapter->pool_res = res; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3684 | |
| 3685 | if (!be_max_vfs(adapter)) { |
| 3686 | if (num_vfs) |
Vasundhara Volam | 5076266 | 2014-09-12 17:39:14 +0530 | [diff] [blame] | 3687 | dev_warn(dev, "SRIOV is disabled. Ignoring num_vfs\n"); |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3688 | adapter->num_vfs = 0; |
| 3689 | return 0; |
| 3690 | } |
| 3691 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3692 | pci_sriov_set_totalvfs(adapter->pdev, be_max_vfs(adapter)); |
| 3693 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3694 | /* validate num_vfs module param */ |
| 3695 | old_vfs = pci_num_vf(adapter->pdev); |
| 3696 | if (old_vfs) { |
| 3697 | dev_info(dev, "%d VFs are already enabled\n", old_vfs); |
| 3698 | if (old_vfs != num_vfs) |
| 3699 | dev_warn(dev, "Ignoring num_vfs=%d setting\n", num_vfs); |
| 3700 | adapter->num_vfs = old_vfs; |
| 3701 | } else { |
| 3702 | if (num_vfs > be_max_vfs(adapter)) { |
| 3703 | dev_info(dev, "Resources unavailable to init %d VFs\n", |
| 3704 | num_vfs); |
| 3705 | dev_info(dev, "Limiting to %d VFs\n", |
| 3706 | be_max_vfs(adapter)); |
| 3707 | } |
| 3708 | adapter->num_vfs = min_t(u16, num_vfs, be_max_vfs(adapter)); |
| 3709 | } |
| 3710 | |
| 3711 | return 0; |
| 3712 | } |
| 3713 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3714 | static int be_get_resources(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3715 | { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3716 | struct device *dev = &adapter->pdev->dev; |
| 3717 | struct be_resources res = {0}; |
| 3718 | int status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3719 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3720 | if (BEx_chip(adapter)) { |
| 3721 | BEx_get_resources(adapter, &res); |
| 3722 | adapter->res = res; |
| 3723 | } |
| 3724 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3725 | /* For Lancer, SH etc read per-function resource limits from FW. |
| 3726 | * GET_FUNC_CONFIG returns per function guaranteed limits. |
| 3727 | * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits |
| 3728 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3729 | if (!BEx_chip(adapter)) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3730 | status = be_cmd_get_func_config(adapter, &res); |
| 3731 | if (status) |
| 3732 | return status; |
| 3733 | |
| 3734 | /* If RoCE may be enabled stash away half the EQs for RoCE */ |
| 3735 | if (be_roce_supported(adapter)) |
| 3736 | res.max_evt_qs /= 2; |
| 3737 | adapter->res = res; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3738 | } |
| 3739 | |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 3740 | dev_info(dev, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n", |
| 3741 | be_max_txqs(adapter), be_max_rxqs(adapter), |
| 3742 | be_max_rss(adapter), be_max_eqs(adapter), |
| 3743 | be_max_vfs(adapter)); |
| 3744 | dev_info(dev, "Max: uc-macs %d, mc-macs %d, vlans %d\n", |
| 3745 | be_max_uc(adapter), be_max_mc(adapter), |
| 3746 | be_max_vlans(adapter)); |
| 3747 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3748 | return 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3749 | } |
| 3750 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3751 | static void be_sriov_config(struct be_adapter *adapter) |
| 3752 | { |
| 3753 | struct device *dev = &adapter->pdev->dev; |
| 3754 | int status; |
| 3755 | |
| 3756 | status = be_get_sriov_config(adapter); |
| 3757 | if (status) { |
| 3758 | dev_err(dev, "Failed to query SR-IOV configuration\n"); |
| 3759 | dev_err(dev, "SR-IOV cannot be enabled\n"); |
| 3760 | return; |
| 3761 | } |
| 3762 | |
| 3763 | /* When the HW is in SRIOV capable configuration, the PF-pool |
| 3764 | * resources are equally distributed across the max-number of |
| 3765 | * VFs. The user may request only a subset of the max-vfs to be |
| 3766 | * enabled. Based on num_vfs, redistribute the resources across |
| 3767 | * num_vfs so that each VF will have access to more number of |
| 3768 | * resources. This facility is not available in BE3 FW. |
| 3769 | * Also, this is done by FW in Lancer chip. |
| 3770 | */ |
| 3771 | if (be_max_vfs(adapter) && !pci_num_vf(adapter->pdev)) { |
| 3772 | status = be_cmd_set_sriov_config(adapter, |
| 3773 | adapter->pool_res, |
| 3774 | adapter->num_vfs); |
| 3775 | if (status) |
| 3776 | dev_err(dev, "Failed to optimize SR-IOV resources\n"); |
| 3777 | } |
| 3778 | } |
| 3779 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3780 | static int be_get_config(struct be_adapter *adapter) |
| 3781 | { |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 3782 | int status, level; |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 3783 | u16 profile_id; |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 3784 | |
| 3785 | status = be_cmd_get_cntl_attributes(adapter); |
| 3786 | if (status) |
| 3787 | return status; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3788 | |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 3789 | status = be_cmd_query_fw_cfg(adapter); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3790 | if (status) |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3791 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3792 | |
Sathya Perla | 6b085ba | 2015-02-23 04:20:09 -0500 | [diff] [blame] | 3793 | if (BEx_chip(adapter)) { |
| 3794 | level = be_cmd_get_fw_log_level(adapter); |
| 3795 | adapter->msg_enable = |
| 3796 | level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; |
| 3797 | } |
| 3798 | |
| 3799 | be_cmd_get_acpi_wol_cap(adapter); |
| 3800 | |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 3801 | be_cmd_query_port_name(adapter); |
| 3802 | |
| 3803 | if (be_physfn(adapter)) { |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 3804 | status = be_cmd_get_active_profile(adapter, &profile_id); |
| 3805 | if (!status) |
| 3806 | dev_info(&adapter->pdev->dev, |
| 3807 | "Using profile 0x%x\n", profile_id); |
Vasundhara Volam | 962bcb7 | 2014-07-17 16:20:30 +0530 | [diff] [blame] | 3808 | } |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3809 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3810 | if (!BE2_chip(adapter) && be_physfn(adapter)) |
| 3811 | be_sriov_config(adapter); |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 3812 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3813 | status = be_get_resources(adapter); |
| 3814 | if (status) |
| 3815 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3816 | |
Ravikumar Nelavelli | 46ee9c1 | 2014-03-11 18:53:06 +0530 | [diff] [blame] | 3817 | adapter->pmac_id = kcalloc(be_max_uc(adapter), |
| 3818 | sizeof(*adapter->pmac_id), GFP_KERNEL); |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3819 | if (!adapter->pmac_id) |
| 3820 | return -ENOMEM; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3821 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3822 | /* Sanitize cfg_num_qs based on HW and platform limits */ |
| 3823 | adapter->cfg_num_qs = min(adapter->cfg_num_qs, be_max_qs(adapter)); |
| 3824 | |
| 3825 | return 0; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3826 | } |
| 3827 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 3828 | static int be_mac_setup(struct be_adapter *adapter) |
| 3829 | { |
| 3830 | u8 mac[ETH_ALEN]; |
| 3831 | int status; |
| 3832 | |
| 3833 | if (is_zero_ether_addr(adapter->netdev->dev_addr)) { |
| 3834 | status = be_cmd_get_perm_mac(adapter, mac); |
| 3835 | if (status) |
| 3836 | return status; |
| 3837 | |
| 3838 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); |
| 3839 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); |
| 3840 | } else { |
| 3841 | /* Maybe the HW was reset; dev_addr must be re-programmed */ |
| 3842 | memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); |
| 3843 | } |
| 3844 | |
Ajit Khaparde | 2c7a9dc | 2013-11-22 12:51:28 -0600 | [diff] [blame] | 3845 | /* For BE3-R VFs, the PF programs the initial MAC address */ |
| 3846 | if (!(BEx_chip(adapter) && be_virtfn(adapter))) |
| 3847 | be_cmd_pmac_add(adapter, mac, adapter->if_handle, |
| 3848 | &adapter->pmac_id[0], 0); |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 3849 | return 0; |
| 3850 | } |
| 3851 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3852 | static void be_schedule_worker(struct be_adapter *adapter) |
| 3853 | { |
| 3854 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 3855 | adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; |
| 3856 | } |
| 3857 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 3858 | static void be_schedule_err_detection(struct be_adapter *adapter) |
| 3859 | { |
| 3860 | schedule_delayed_work(&adapter->be_err_detection_work, |
| 3861 | msecs_to_jiffies(1000)); |
| 3862 | adapter->flags |= BE_FLAGS_ERR_DETECTION_SCHEDULED; |
| 3863 | } |
| 3864 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3865 | static int be_setup_queues(struct be_adapter *adapter) |
| 3866 | { |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3867 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3868 | int status; |
| 3869 | |
| 3870 | status = be_evt_queues_create(adapter); |
| 3871 | if (status) |
| 3872 | goto err; |
| 3873 | |
| 3874 | status = be_tx_qs_create(adapter); |
| 3875 | if (status) |
| 3876 | goto err; |
| 3877 | |
| 3878 | status = be_rx_cqs_create(adapter); |
| 3879 | if (status) |
| 3880 | goto err; |
| 3881 | |
| 3882 | status = be_mcc_queues_create(adapter); |
| 3883 | if (status) |
| 3884 | goto err; |
| 3885 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3886 | status = netif_set_real_num_rx_queues(netdev, adapter->num_rx_qs); |
| 3887 | if (status) |
| 3888 | goto err; |
| 3889 | |
| 3890 | status = netif_set_real_num_tx_queues(netdev, adapter->num_tx_qs); |
| 3891 | if (status) |
| 3892 | goto err; |
| 3893 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3894 | return 0; |
| 3895 | err: |
| 3896 | dev_err(&adapter->pdev->dev, "queue_setup failed\n"); |
| 3897 | return status; |
| 3898 | } |
| 3899 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3900 | int be_update_queues(struct be_adapter *adapter) |
| 3901 | { |
| 3902 | struct net_device *netdev = adapter->netdev; |
| 3903 | int status; |
| 3904 | |
| 3905 | if (netif_running(netdev)) |
| 3906 | be_close(netdev); |
| 3907 | |
| 3908 | be_cancel_worker(adapter); |
| 3909 | |
| 3910 | /* If any vectors have been shared with RoCE we cannot re-program |
| 3911 | * the MSIx table. |
| 3912 | */ |
| 3913 | if (!adapter->num_msix_roce_vec) |
| 3914 | be_msix_disable(adapter); |
| 3915 | |
| 3916 | be_clear_queues(adapter); |
| 3917 | |
| 3918 | if (!msix_enabled(adapter)) { |
| 3919 | status = be_msix_enable(adapter); |
| 3920 | if (status) |
| 3921 | return status; |
| 3922 | } |
| 3923 | |
| 3924 | status = be_setup_queues(adapter); |
| 3925 | if (status) |
| 3926 | return status; |
| 3927 | |
| 3928 | be_schedule_worker(adapter); |
| 3929 | |
| 3930 | if (netif_running(netdev)) |
| 3931 | status = be_open(netdev); |
| 3932 | |
| 3933 | return status; |
| 3934 | } |
| 3935 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 3936 | static inline int fw_major_num(const char *fw_ver) |
| 3937 | { |
| 3938 | int fw_major = 0, i; |
| 3939 | |
| 3940 | i = sscanf(fw_ver, "%d.", &fw_major); |
| 3941 | if (i != 1) |
| 3942 | return 0; |
| 3943 | |
| 3944 | return fw_major; |
| 3945 | } |
| 3946 | |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 3947 | /* If any VFs are already enabled don't FLR the PF */ |
| 3948 | static bool be_reset_required(struct be_adapter *adapter) |
| 3949 | { |
| 3950 | return pci_num_vf(adapter->pdev) ? false : true; |
| 3951 | } |
| 3952 | |
| 3953 | /* Wait for the FW to be ready and perform the required initialization */ |
| 3954 | static int be_func_init(struct be_adapter *adapter) |
| 3955 | { |
| 3956 | int status; |
| 3957 | |
| 3958 | status = be_fw_wait_ready(adapter); |
| 3959 | if (status) |
| 3960 | return status; |
| 3961 | |
| 3962 | if (be_reset_required(adapter)) { |
| 3963 | status = be_cmd_reset_function(adapter); |
| 3964 | if (status) |
| 3965 | return status; |
| 3966 | |
| 3967 | /* Wait for interrupts to quiesce after an FLR */ |
| 3968 | msleep(100); |
| 3969 | |
| 3970 | /* We can clear all errors when function reset succeeds */ |
| 3971 | be_clear_all_error(adapter); |
| 3972 | } |
| 3973 | |
| 3974 | /* Tell FW we're ready to fire cmds */ |
| 3975 | status = be_cmd_fw_init(adapter); |
| 3976 | if (status) |
| 3977 | return status; |
| 3978 | |
| 3979 | /* Allow interrupts for other ULPs running on NIC function */ |
| 3980 | be_intr_set(adapter, true); |
| 3981 | |
| 3982 | return 0; |
| 3983 | } |
| 3984 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3985 | static int be_setup(struct be_adapter *adapter) |
| 3986 | { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3987 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3988 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3989 | |
Sathya Perla | f962f84 | 2015-02-23 04:20:16 -0500 | [diff] [blame] | 3990 | status = be_func_init(adapter); |
| 3991 | if (status) |
| 3992 | return status; |
| 3993 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3994 | be_setup_init(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3995 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3996 | if (!lancer_chip(adapter)) |
| 3997 | be_cmd_req_native_mode(adapter); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3998 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3999 | status = be_get_config(adapter); |
| 4000 | if (status) |
| 4001 | goto err; |
Sathya Perla | 2dc1deb | 2011-07-19 19:52:33 +0000 | [diff] [blame] | 4002 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 4003 | status = be_msix_enable(adapter); |
| 4004 | if (status) |
| 4005 | goto err; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4006 | |
Kalesh AP | 0700d81 | 2015-01-20 03:51:43 -0500 | [diff] [blame] | 4007 | status = be_if_create(adapter, &adapter->if_handle, |
| 4008 | be_if_cap_flags(adapter), 0); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4009 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4010 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4011 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4012 | /* Updating real_num_tx/rx_queues() requires rtnl_lock() */ |
| 4013 | rtnl_lock(); |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 4014 | status = be_setup_queues(adapter); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4015 | rtnl_unlock(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4016 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4017 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4018 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4019 | be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4020 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 4021 | status = be_mac_setup(adapter); |
| 4022 | if (status) |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 4023 | goto err; |
| 4024 | |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 4025 | be_cmd_get_fw_ver(adapter); |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 4026 | dev_info(dev, "FW version is %s\n", adapter->fw_ver); |
Somnath Kotur | 5a56eb1 | 2011-09-30 07:24:28 +0000 | [diff] [blame] | 4027 | |
Somnath Kotur | e9e2a90 | 2013-10-24 14:37:53 +0530 | [diff] [blame] | 4028 | if (BE2_chip(adapter) && fw_major_num(adapter->fw_ver) < 4) { |
Vasundhara Volam | 5076266 | 2014-09-12 17:39:14 +0530 | [diff] [blame] | 4029 | 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] | 4030 | adapter->fw_ver); |
| 4031 | dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); |
| 4032 | } |
| 4033 | |
Sathya Perla | 1d1e9a4 | 2012-06-05 19:37:17 +0000 | [diff] [blame] | 4034 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 4035 | be_vid_config(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4036 | |
| 4037 | be_set_rx_mode(adapter->netdev); |
| 4038 | |
Kalesh AP | 00d594c | 2015-01-20 03:51:44 -0500 | [diff] [blame] | 4039 | status = be_cmd_set_flow_control(adapter, adapter->tx_fc, |
| 4040 | adapter->rx_fc); |
| 4041 | if (status) |
| 4042 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, |
| 4043 | &adapter->rx_fc); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 4044 | |
Kalesh AP | 00d594c | 2015-01-20 03:51:44 -0500 | [diff] [blame] | 4045 | dev_info(&adapter->pdev->dev, "HW Flow control - TX:%d RX:%d\n", |
| 4046 | adapter->tx_fc, adapter->rx_fc); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4047 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 4048 | if (be_physfn(adapter)) |
| 4049 | be_cmd_set_logical_link_config(adapter, |
| 4050 | IFLA_VF_LINK_STATE_AUTO, 0); |
| 4051 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 4052 | if (adapter->num_vfs) |
| 4053 | be_vf_setup(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4054 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4055 | status = be_cmd_get_phy_info(adapter); |
| 4056 | if (!status && be_pause_supported(adapter)) |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 4057 | adapter->phy.fc_autoneg = 1; |
| 4058 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 4059 | be_schedule_worker(adapter); |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 4060 | adapter->flags |= BE_FLAGS_SETUP_DONE; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4061 | return 0; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4062 | err: |
| 4063 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4064 | return status; |
| 4065 | } |
| 4066 | |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4067 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 4068 | static void be_netpoll(struct net_device *netdev) |
| 4069 | { |
| 4070 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4071 | struct be_eq_obj *eqo; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4072 | int i; |
| 4073 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 4074 | for_all_evt_queues(adapter, eqo, i) { |
| 4075 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 4076 | napi_schedule(&eqo->napi); |
| 4077 | } |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4078 | } |
| 4079 | #endif |
| 4080 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4081 | static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "}; |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 4082 | |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 4083 | static bool phy_flashing_required(struct be_adapter *adapter) |
| 4084 | { |
Vasundhara Volam | e02cfd9 | 2015-01-20 03:51:48 -0500 | [diff] [blame] | 4085 | return (adapter->phy.phy_type == PHY_TYPE_TN_8022 && |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 4086 | adapter->phy.interface_type == PHY_TYPE_BASET_10GB); |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 4087 | } |
| 4088 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4089 | static bool is_comp_in_ufi(struct be_adapter *adapter, |
| 4090 | struct flash_section_info *fsec, int type) |
| 4091 | { |
| 4092 | int i = 0, img_type = 0; |
| 4093 | struct flash_section_info_g2 *fsec_g2 = NULL; |
| 4094 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4095 | if (BE2_chip(adapter)) |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4096 | fsec_g2 = (struct flash_section_info_g2 *)fsec; |
| 4097 | |
| 4098 | for (i = 0; i < MAX_FLASH_COMP; i++) { |
| 4099 | if (fsec_g2) |
| 4100 | img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type); |
| 4101 | else |
| 4102 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); |
| 4103 | |
| 4104 | if (img_type == type) |
| 4105 | return true; |
| 4106 | } |
| 4107 | return false; |
| 4108 | |
| 4109 | } |
| 4110 | |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 4111 | static struct flash_section_info *get_fsec_info(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4112 | int header_size, |
| 4113 | const struct firmware *fw) |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4114 | { |
| 4115 | struct flash_section_info *fsec = NULL; |
| 4116 | const u8 *p = fw->data; |
| 4117 | |
| 4118 | p += header_size; |
| 4119 | while (p < (fw->data + fw->size)) { |
| 4120 | fsec = (struct flash_section_info *)p; |
| 4121 | if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie))) |
| 4122 | return fsec; |
| 4123 | p += 32; |
| 4124 | } |
| 4125 | return NULL; |
| 4126 | } |
| 4127 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4128 | static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p, |
| 4129 | u32 img_offset, u32 img_size, int hdr_size, |
| 4130 | u16 img_optype, bool *crc_match) |
| 4131 | { |
| 4132 | u32 crc_offset; |
| 4133 | int status; |
| 4134 | u8 crc[4]; |
| 4135 | |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4136 | status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_offset, |
| 4137 | img_size - 4); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4138 | if (status) |
| 4139 | return status; |
| 4140 | |
| 4141 | crc_offset = hdr_size + img_offset + img_size - 4; |
| 4142 | |
| 4143 | /* Skip flashing, if crc of flashed region matches */ |
| 4144 | if (!memcmp(crc, p + crc_offset, 4)) |
| 4145 | *crc_match = true; |
| 4146 | else |
| 4147 | *crc_match = false; |
| 4148 | |
| 4149 | return status; |
| 4150 | } |
| 4151 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4152 | static int be_flash(struct be_adapter *adapter, const u8 *img, |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4153 | struct be_dma_mem *flash_cmd, int optype, int img_size, |
| 4154 | u32 img_offset) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4155 | { |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4156 | u32 flash_op, num_bytes, total_bytes = img_size, bytes_sent = 0; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4157 | struct be_cmd_write_flashrom *req = flash_cmd->va; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4158 | int status; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4159 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4160 | while (total_bytes) { |
| 4161 | num_bytes = min_t(u32, 32*1024, total_bytes); |
| 4162 | |
| 4163 | total_bytes -= num_bytes; |
| 4164 | |
| 4165 | if (!total_bytes) { |
| 4166 | if (optype == OPTYPE_PHY_FW) |
| 4167 | flash_op = FLASHROM_OPER_PHY_FLASH; |
| 4168 | else |
| 4169 | flash_op = FLASHROM_OPER_FLASH; |
| 4170 | } else { |
| 4171 | if (optype == OPTYPE_PHY_FW) |
| 4172 | flash_op = FLASHROM_OPER_PHY_SAVE; |
| 4173 | else |
| 4174 | flash_op = FLASHROM_OPER_SAVE; |
| 4175 | } |
| 4176 | |
Padmanabh Ratnakar | be71644 | 2012-10-22 23:02:44 +0000 | [diff] [blame] | 4177 | memcpy(req->data_buf, img, num_bytes); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4178 | img += num_bytes; |
| 4179 | status = be_cmd_write_flashrom(adapter, flash_cmd, optype, |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4180 | flash_op, img_offset + |
| 4181 | bytes_sent, num_bytes); |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 4182 | if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST && |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4183 | optype == OPTYPE_PHY_FW) |
| 4184 | break; |
| 4185 | else if (status) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4186 | return status; |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4187 | |
| 4188 | bytes_sent += num_bytes; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4189 | } |
| 4190 | return 0; |
| 4191 | } |
| 4192 | |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4193 | /* For BE2, BE3 and BE3-R */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4194 | static int be_flash_BEx(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4195 | const struct firmware *fw, |
| 4196 | struct be_dma_mem *flash_cmd, int num_of_images) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4197 | { |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4198 | int img_hdrs_size = (num_of_images * sizeof(struct image_hdr)); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4199 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4200 | struct flash_section_info *fsec = NULL; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4201 | int status, i, filehdr_size, num_comp; |
| 4202 | const struct flash_comp *pflashcomp; |
| 4203 | bool crc_match; |
| 4204 | const u8 *p; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4205 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4206 | struct flash_comp gen3_flash_types[] = { |
| 4207 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, OPTYPE_ISCSI_ACTIVE, |
| 4208 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_iSCSI}, |
| 4209 | { FLASH_REDBOOT_START_g3, OPTYPE_REDBOOT, |
| 4210 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3, IMAGE_BOOT_CODE}, |
| 4211 | { FLASH_iSCSI_BIOS_START_g3, OPTYPE_BIOS, |
| 4212 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_ISCSI}, |
| 4213 | { FLASH_PXE_BIOS_START_g3, OPTYPE_PXE_BIOS, |
| 4214 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_PXE}, |
| 4215 | { FLASH_FCoE_BIOS_START_g3, OPTYPE_FCOE_BIOS, |
| 4216 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_FCoE}, |
| 4217 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, OPTYPE_ISCSI_BACKUP, |
| 4218 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 4219 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, OPTYPE_FCOE_FW_ACTIVE, |
| 4220 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_FCoE}, |
| 4221 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, OPTYPE_FCOE_FW_BACKUP, |
| 4222 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_FCoE}, |
| 4223 | { FLASH_NCSI_START_g3, OPTYPE_NCSI_FW, |
| 4224 | FLASH_NCSI_IMAGE_MAX_SIZE_g3, IMAGE_NCSI}, |
| 4225 | { FLASH_PHY_FW_START_g3, OPTYPE_PHY_FW, |
| 4226 | FLASH_PHY_FW_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_PHY} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4227 | }; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4228 | |
| 4229 | struct flash_comp gen2_flash_types[] = { |
| 4230 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, OPTYPE_ISCSI_ACTIVE, |
| 4231 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_iSCSI}, |
| 4232 | { FLASH_REDBOOT_START_g2, OPTYPE_REDBOOT, |
| 4233 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2, IMAGE_BOOT_CODE}, |
| 4234 | { FLASH_iSCSI_BIOS_START_g2, OPTYPE_BIOS, |
| 4235 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_ISCSI}, |
| 4236 | { FLASH_PXE_BIOS_START_g2, OPTYPE_PXE_BIOS, |
| 4237 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_PXE}, |
| 4238 | { FLASH_FCoE_BIOS_START_g2, OPTYPE_FCOE_BIOS, |
| 4239 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_FCoE}, |
| 4240 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, OPTYPE_ISCSI_BACKUP, |
| 4241 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 4242 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, OPTYPE_FCOE_FW_ACTIVE, |
| 4243 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_FCoE}, |
| 4244 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, OPTYPE_FCOE_FW_BACKUP, |
| 4245 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_FCoE} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4246 | }; |
| 4247 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4248 | if (BE3_chip(adapter)) { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4249 | pflashcomp = gen3_flash_types; |
| 4250 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 4251 | num_comp = ARRAY_SIZE(gen3_flash_types); |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4252 | } else { |
| 4253 | pflashcomp = gen2_flash_types; |
| 4254 | filehdr_size = sizeof(struct flash_file_hdr_g2); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 4255 | num_comp = ARRAY_SIZE(gen2_flash_types); |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4256 | img_hdrs_size = 0; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4257 | } |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4258 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4259 | /* Get flash section info*/ |
| 4260 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 4261 | if (!fsec) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4262 | dev_err(dev, "Invalid Cookie. FW image may be corrupted\n"); |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4263 | return -1; |
| 4264 | } |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 4265 | for (i = 0; i < num_comp; i++) { |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4266 | if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type)) |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 4267 | continue; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4268 | |
| 4269 | if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) && |
| 4270 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) |
| 4271 | continue; |
| 4272 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4273 | if (pflashcomp[i].optype == OPTYPE_PHY_FW && |
| 4274 | !phy_flashing_required(adapter)) |
| 4275 | continue; |
| 4276 | |
| 4277 | if (pflashcomp[i].optype == OPTYPE_REDBOOT) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4278 | status = be_check_flash_crc(adapter, fw->data, |
| 4279 | pflashcomp[i].offset, |
| 4280 | pflashcomp[i].size, |
| 4281 | filehdr_size + |
| 4282 | img_hdrs_size, |
| 4283 | OPTYPE_REDBOOT, &crc_match); |
| 4284 | if (status) { |
| 4285 | dev_err(dev, |
| 4286 | "Could not get CRC for 0x%x region\n", |
| 4287 | pflashcomp[i].optype); |
| 4288 | continue; |
| 4289 | } |
| 4290 | |
| 4291 | if (crc_match) |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 4292 | continue; |
| 4293 | } |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 4294 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4295 | p = fw->data + filehdr_size + pflashcomp[i].offset + |
| 4296 | img_hdrs_size; |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 4297 | if (p + pflashcomp[i].size > fw->data + fw->size) |
| 4298 | return -1; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4299 | |
| 4300 | status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype, |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4301 | pflashcomp[i].size, 0); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4302 | if (status) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4303 | dev_err(dev, "Flashing section type 0x%x failed\n", |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4304 | pflashcomp[i].img_type); |
| 4305 | return status; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4306 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4307 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4308 | return 0; |
| 4309 | } |
| 4310 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4311 | static u16 be_get_img_optype(struct flash_section_entry fsec_entry) |
| 4312 | { |
| 4313 | u32 img_type = le32_to_cpu(fsec_entry.type); |
| 4314 | u16 img_optype = le16_to_cpu(fsec_entry.optype); |
| 4315 | |
| 4316 | if (img_optype != 0xFFFF) |
| 4317 | return img_optype; |
| 4318 | |
| 4319 | switch (img_type) { |
| 4320 | case IMAGE_FIRMWARE_iSCSI: |
| 4321 | img_optype = OPTYPE_ISCSI_ACTIVE; |
| 4322 | break; |
| 4323 | case IMAGE_BOOT_CODE: |
| 4324 | img_optype = OPTYPE_REDBOOT; |
| 4325 | break; |
| 4326 | case IMAGE_OPTION_ROM_ISCSI: |
| 4327 | img_optype = OPTYPE_BIOS; |
| 4328 | break; |
| 4329 | case IMAGE_OPTION_ROM_PXE: |
| 4330 | img_optype = OPTYPE_PXE_BIOS; |
| 4331 | break; |
| 4332 | case IMAGE_OPTION_ROM_FCoE: |
| 4333 | img_optype = OPTYPE_FCOE_BIOS; |
| 4334 | break; |
| 4335 | case IMAGE_FIRMWARE_BACKUP_iSCSI: |
| 4336 | img_optype = OPTYPE_ISCSI_BACKUP; |
| 4337 | break; |
| 4338 | case IMAGE_NCSI: |
| 4339 | img_optype = OPTYPE_NCSI_FW; |
| 4340 | break; |
| 4341 | case IMAGE_FLASHISM_JUMPVECTOR: |
| 4342 | img_optype = OPTYPE_FLASHISM_JUMPVECTOR; |
| 4343 | break; |
| 4344 | case IMAGE_FIRMWARE_PHY: |
| 4345 | img_optype = OPTYPE_SH_PHY_FW; |
| 4346 | break; |
| 4347 | case IMAGE_REDBOOT_DIR: |
| 4348 | img_optype = OPTYPE_REDBOOT_DIR; |
| 4349 | break; |
| 4350 | case IMAGE_REDBOOT_CONFIG: |
| 4351 | img_optype = OPTYPE_REDBOOT_CONFIG; |
| 4352 | break; |
| 4353 | case IMAGE_UFI_DIR: |
| 4354 | img_optype = OPTYPE_UFI_DIR; |
| 4355 | break; |
| 4356 | default: |
| 4357 | break; |
| 4358 | } |
| 4359 | |
| 4360 | return img_optype; |
| 4361 | } |
| 4362 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4363 | static int be_flash_skyhawk(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4364 | const struct firmware *fw, |
| 4365 | struct be_dma_mem *flash_cmd, int num_of_images) |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4366 | { |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4367 | int img_hdrs_size = num_of_images * sizeof(struct image_hdr); |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4368 | bool crc_match, old_fw_img, flash_offset_support = true; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4369 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4370 | struct flash_section_info *fsec = NULL; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4371 | u32 img_offset, img_size, img_type; |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4372 | u16 img_optype, flash_optype; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4373 | int status, i, filehdr_size; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4374 | const u8 *p; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4375 | |
| 4376 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
| 4377 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 4378 | if (!fsec) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4379 | dev_err(dev, "Invalid Cookie. FW image may be corrupted\n"); |
Kalesh AP | 56ace3a | 2014-07-17 16:20:20 +0530 | [diff] [blame] | 4380 | return -EINVAL; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4381 | } |
| 4382 | |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4383 | retry_flash: |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4384 | for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) { |
| 4385 | img_offset = le32_to_cpu(fsec->fsec_entry[i].offset); |
| 4386 | img_size = le32_to_cpu(fsec->fsec_entry[i].pad_size); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4387 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); |
| 4388 | img_optype = be_get_img_optype(fsec->fsec_entry[i]); |
| 4389 | old_fw_img = fsec->fsec_entry[i].optype == 0xFFFF; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4390 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4391 | if (img_optype == 0xFFFF) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4392 | continue; |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4393 | |
| 4394 | if (flash_offset_support) |
| 4395 | flash_optype = OPTYPE_OFFSET_SPECIFIED; |
| 4396 | else |
| 4397 | flash_optype = img_optype; |
| 4398 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4399 | /* Don't bother verifying CRC if an old FW image is being |
| 4400 | * flashed |
| 4401 | */ |
| 4402 | if (old_fw_img) |
| 4403 | goto flash; |
| 4404 | |
| 4405 | status = be_check_flash_crc(adapter, fw->data, img_offset, |
| 4406 | img_size, filehdr_size + |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4407 | img_hdrs_size, flash_optype, |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4408 | &crc_match); |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 4409 | if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST || |
| 4410 | base_status(status) == MCC_STATUS_ILLEGAL_FIELD) { |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4411 | /* The current FW image on the card does not support |
| 4412 | * OFFSET based flashing. Retry using older mechanism |
| 4413 | * of OPTYPE based flashing |
| 4414 | */ |
| 4415 | if (flash_optype == OPTYPE_OFFSET_SPECIFIED) { |
| 4416 | flash_offset_support = false; |
| 4417 | goto retry_flash; |
| 4418 | } |
| 4419 | |
| 4420 | /* The current FW image on the card does not recognize |
| 4421 | * the new FLASH op_type. The FW download is partially |
| 4422 | * complete. Reboot the server now to enable FW image |
| 4423 | * to recognize the new FLASH op_type. To complete the |
| 4424 | * remaining process, download the same FW again after |
| 4425 | * the reboot. |
| 4426 | */ |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4427 | dev_err(dev, "Flash incomplete. Reset the server\n"); |
| 4428 | dev_err(dev, "Download FW image again after reset\n"); |
| 4429 | return -EAGAIN; |
| 4430 | } else if (status) { |
| 4431 | dev_err(dev, "Could not get CRC for 0x%x region\n", |
| 4432 | img_optype); |
| 4433 | return -EFAULT; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4434 | } |
| 4435 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4436 | if (crc_match) |
| 4437 | continue; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4438 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4439 | flash: |
| 4440 | p = fw->data + filehdr_size + img_offset + img_hdrs_size; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4441 | if (p + img_size > fw->data + fw->size) |
| 4442 | return -1; |
| 4443 | |
Vasundhara Volam | 70a7b52 | 2015-02-06 08:18:39 -0500 | [diff] [blame] | 4444 | status = be_flash(adapter, p, flash_cmd, flash_optype, img_size, |
| 4445 | img_offset); |
| 4446 | |
| 4447 | /* The current FW image on the card does not support OFFSET |
| 4448 | * based flashing. Retry using older mechanism of OPTYPE based |
| 4449 | * flashing |
| 4450 | */ |
| 4451 | if (base_status(status) == MCC_STATUS_ILLEGAL_FIELD && |
| 4452 | flash_optype == OPTYPE_OFFSET_SPECIFIED) { |
| 4453 | flash_offset_support = false; |
| 4454 | goto retry_flash; |
| 4455 | } |
| 4456 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4457 | /* For old FW images ignore ILLEGAL_FIELD error or errors on |
| 4458 | * UFI_DIR region |
| 4459 | */ |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 4460 | if (old_fw_img && |
| 4461 | (base_status(status) == MCC_STATUS_ILLEGAL_FIELD || |
| 4462 | (img_optype == OPTYPE_UFI_DIR && |
| 4463 | base_status(status) == MCC_STATUS_FAILED))) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4464 | continue; |
| 4465 | } else if (status) { |
| 4466 | dev_err(dev, "Flashing section type 0x%x failed\n", |
| 4467 | img_type); |
| 4468 | return -EFAULT; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4469 | } |
| 4470 | } |
| 4471 | return 0; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4472 | } |
| 4473 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4474 | static int lancer_fw_download(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4475 | const struct firmware *fw) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4476 | { |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4477 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) |
| 4478 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4479 | struct device *dev = &adapter->pdev->dev; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4480 | struct be_dma_mem flash_cmd; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4481 | const u8 *data_ptr = NULL; |
| 4482 | u8 *dest_image_ptr = NULL; |
| 4483 | size_t image_size = 0; |
| 4484 | u32 chunk_size = 0; |
| 4485 | u32 data_written = 0; |
| 4486 | u32 offset = 0; |
| 4487 | int status = 0; |
| 4488 | u8 add_status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4489 | u8 change_status; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4490 | |
| 4491 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4492 | dev_err(dev, "FW image size should be multiple of 4\n"); |
Kalesh AP | 3fb8cb8 | 2014-09-02 09:56:52 +0530 | [diff] [blame] | 4493 | return -EINVAL; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4494 | } |
| 4495 | |
| 4496 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) |
| 4497 | + LANCER_FW_DOWNLOAD_CHUNK; |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4498 | flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, |
Joe Perches | d0320f7 | 2013-03-14 13:07:21 +0000 | [diff] [blame] | 4499 | &flash_cmd.dma, GFP_KERNEL); |
Kalesh AP | 3fb8cb8 | 2014-09-02 09:56:52 +0530 | [diff] [blame] | 4500 | if (!flash_cmd.va) |
| 4501 | return -ENOMEM; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4502 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4503 | dest_image_ptr = flash_cmd.va + |
| 4504 | sizeof(struct lancer_cmd_req_write_object); |
| 4505 | image_size = fw->size; |
| 4506 | data_ptr = fw->data; |
| 4507 | |
| 4508 | while (image_size) { |
| 4509 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); |
| 4510 | |
| 4511 | /* Copy the image chunk content. */ |
| 4512 | memcpy(dest_image_ptr, data_ptr, chunk_size); |
| 4513 | |
| 4514 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4515 | chunk_size, offset, |
| 4516 | LANCER_FW_DOWNLOAD_LOCATION, |
| 4517 | &data_written, &change_status, |
| 4518 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4519 | if (status) |
| 4520 | break; |
| 4521 | |
| 4522 | offset += data_written; |
| 4523 | data_ptr += data_written; |
| 4524 | image_size -= data_written; |
| 4525 | } |
| 4526 | |
| 4527 | if (!status) { |
| 4528 | /* Commit the FW written */ |
| 4529 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4530 | 0, offset, |
| 4531 | LANCER_FW_DOWNLOAD_LOCATION, |
| 4532 | &data_written, &change_status, |
| 4533 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4534 | } |
| 4535 | |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4536 | 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] | 4537 | if (status) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4538 | dev_err(dev, "Firmware load error\n"); |
Kalesh AP | 3fb8cb8 | 2014-09-02 09:56:52 +0530 | [diff] [blame] | 4539 | return be_cmd_status(status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4540 | } |
| 4541 | |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4542 | dev_info(dev, "Firmware flashed successfully\n"); |
| 4543 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4544 | if (change_status == LANCER_FW_RESET_NEEDED) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4545 | dev_info(dev, "Resetting adapter to activate new FW\n"); |
Somnath Kotur | 5c51081 | 2013-05-30 02:52:23 +0000 | [diff] [blame] | 4546 | status = lancer_physdev_ctrl(adapter, |
| 4547 | PHYSDEV_CONTROL_FW_RESET_MASK); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4548 | if (status) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4549 | dev_err(dev, "Adapter busy, could not reset FW\n"); |
| 4550 | dev_err(dev, "Reboot server to activate new FW\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4551 | } |
| 4552 | } else if (change_status != LANCER_NO_RESET_NEEDED) { |
Kalesh AP | bb864e0 | 2014-09-02 09:56:51 +0530 | [diff] [blame] | 4553 | dev_info(dev, "Reboot server to activate new FW\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4554 | } |
Kalesh AP | 3fb8cb8 | 2014-09-02 09:56:52 +0530 | [diff] [blame] | 4555 | |
| 4556 | return 0; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4557 | } |
| 4558 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4559 | #define BE2_UFI 2 |
| 4560 | #define BE3_UFI 3 |
| 4561 | #define BE3R_UFI 10 |
| 4562 | #define SH_UFI 4 |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4563 | #define SH_P2_UFI 11 |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4564 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4565 | static int be_get_ufi_type(struct be_adapter *adapter, |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4566 | struct flash_file_hdr_g3 *fhdr) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4567 | { |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4568 | if (!fhdr) { |
| 4569 | dev_err(&adapter->pdev->dev, "Invalid FW UFI file"); |
| 4570 | return -1; |
| 4571 | } |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4572 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4573 | /* First letter of the build version is used to identify |
| 4574 | * which chip this image file is meant for. |
| 4575 | */ |
| 4576 | switch (fhdr->build[0]) { |
| 4577 | case BLD_STR_UFI_TYPE_SH: |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4578 | return (fhdr->asic_type_rev == ASIC_REV_P2) ? SH_P2_UFI : |
| 4579 | SH_UFI; |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4580 | case BLD_STR_UFI_TYPE_BE3: |
| 4581 | return (fhdr->asic_type_rev == ASIC_REV_B0) ? BE3R_UFI : |
| 4582 | BE3_UFI; |
| 4583 | case BLD_STR_UFI_TYPE_BE2: |
| 4584 | return BE2_UFI; |
| 4585 | default: |
| 4586 | return -1; |
| 4587 | } |
| 4588 | } |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4589 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4590 | /* Check if the flash image file is compatible with the adapter that |
| 4591 | * is being flashed. |
| 4592 | * 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] | 4593 | * 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] | 4594 | */ |
| 4595 | static bool be_check_ufi_compatibility(struct be_adapter *adapter, |
| 4596 | struct flash_file_hdr_g3 *fhdr) |
| 4597 | { |
| 4598 | int ufi_type = be_get_ufi_type(adapter, fhdr); |
| 4599 | |
| 4600 | switch (ufi_type) { |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4601 | case SH_P2_UFI: |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4602 | return skyhawk_chip(adapter); |
Vasundhara Volam | 81a9e22 | 2015-02-06 08:18:38 -0500 | [diff] [blame] | 4603 | case SH_UFI: |
| 4604 | return (skyhawk_chip(adapter) && |
| 4605 | adapter->asic_rev < ASIC_REV_P2); |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4606 | case BE3R_UFI: |
| 4607 | return BE3_chip(adapter); |
| 4608 | case BE3_UFI: |
| 4609 | return (BE3_chip(adapter) && adapter->asic_rev < ASIC_REV_B0); |
| 4610 | case BE2_UFI: |
| 4611 | return BE2_chip(adapter); |
| 4612 | default: |
| 4613 | return false; |
| 4614 | } |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4615 | } |
| 4616 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4617 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) |
| 4618 | { |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4619 | struct device *dev = &adapter->pdev->dev; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4620 | struct flash_file_hdr_g3 *fhdr3; |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4621 | struct image_hdr *img_hdr_ptr; |
| 4622 | int status = 0, i, num_imgs; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4623 | struct be_dma_mem flash_cmd; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4624 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4625 | fhdr3 = (struct flash_file_hdr_g3 *)fw->data; |
| 4626 | if (!be_check_ufi_compatibility(adapter, fhdr3)) { |
| 4627 | dev_err(dev, "Flash image is not compatible with adapter\n"); |
| 4628 | return -EINVAL; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4629 | } |
| 4630 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4631 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom); |
| 4632 | flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma, |
| 4633 | GFP_KERNEL); |
| 4634 | if (!flash_cmd.va) |
| 4635 | return -ENOMEM; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4636 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4637 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
| 4638 | for (i = 0; i < num_imgs; i++) { |
| 4639 | img_hdr_ptr = (struct image_hdr *)(fw->data + |
| 4640 | (sizeof(struct flash_file_hdr_g3) + |
| 4641 | i * sizeof(struct image_hdr))); |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4642 | if (!BE2_chip(adapter) && |
| 4643 | le32_to_cpu(img_hdr_ptr->imageid) != 1) |
| 4644 | continue; |
| 4645 | |
| 4646 | if (skyhawk_chip(adapter)) |
| 4647 | status = be_flash_skyhawk(adapter, fw, &flash_cmd, |
| 4648 | num_imgs); |
| 4649 | else |
| 4650 | status = be_flash_BEx(adapter, fw, &flash_cmd, |
| 4651 | num_imgs); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4652 | } |
| 4653 | |
Vasundhara Volam | 5d3acd0 | 2015-02-06 08:18:37 -0500 | [diff] [blame] | 4654 | dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma); |
| 4655 | if (!status) |
| 4656 | dev_info(dev, "Firmware flashed successfully\n"); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4657 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4658 | return status; |
| 4659 | } |
| 4660 | |
| 4661 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) |
| 4662 | { |
| 4663 | const struct firmware *fw; |
| 4664 | int status; |
| 4665 | |
| 4666 | if (!netif_running(adapter->netdev)) { |
| 4667 | dev_err(&adapter->pdev->dev, |
| 4668 | "Firmware load not allowed (interface is down)\n"); |
Kalesh AP | 940a3fc | 2014-07-17 16:20:19 +0530 | [diff] [blame] | 4669 | return -ENETDOWN; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4670 | } |
| 4671 | |
| 4672 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); |
| 4673 | if (status) |
| 4674 | goto fw_exit; |
| 4675 | |
| 4676 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
| 4677 | |
| 4678 | if (lancer_chip(adapter)) |
| 4679 | status = lancer_fw_download(adapter, fw); |
| 4680 | else |
| 4681 | status = be_fw_download(adapter, fw); |
| 4682 | |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 4683 | if (!status) |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 4684 | be_cmd_get_fw_ver(adapter); |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 4685 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4686 | fw_exit: |
| 4687 | release_firmware(fw); |
| 4688 | return status; |
| 4689 | } |
| 4690 | |
Roopa Prabhu | add511b | 2015-01-29 22:40:12 -0800 | [diff] [blame] | 4691 | static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, |
| 4692 | u16 flags) |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4693 | { |
| 4694 | struct be_adapter *adapter = netdev_priv(dev); |
| 4695 | struct nlattr *attr, *br_spec; |
| 4696 | int rem; |
| 4697 | int status = 0; |
| 4698 | u16 mode = 0; |
| 4699 | |
| 4700 | if (!sriov_enabled(adapter)) |
| 4701 | return -EOPNOTSUPP; |
| 4702 | |
| 4703 | br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
Thomas Graf | 4ea85e8 | 2014-11-26 13:42:18 +0100 | [diff] [blame] | 4704 | if (!br_spec) |
| 4705 | return -EINVAL; |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4706 | |
| 4707 | nla_for_each_nested(attr, br_spec, rem) { |
| 4708 | if (nla_type(attr) != IFLA_BRIDGE_MODE) |
| 4709 | continue; |
| 4710 | |
Thomas Graf | b7c1a31 | 2014-11-26 13:42:17 +0100 | [diff] [blame] | 4711 | if (nla_len(attr) < sizeof(mode)) |
| 4712 | return -EINVAL; |
| 4713 | |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4714 | mode = nla_get_u16(attr); |
| 4715 | if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) |
| 4716 | return -EINVAL; |
| 4717 | |
| 4718 | status = be_cmd_set_hsw_config(adapter, 0, 0, |
| 4719 | adapter->if_handle, |
| 4720 | mode == BRIDGE_MODE_VEPA ? |
| 4721 | PORT_FWD_TYPE_VEPA : |
| 4722 | PORT_FWD_TYPE_VEB); |
| 4723 | if (status) |
| 4724 | goto err; |
| 4725 | |
| 4726 | dev_info(&adapter->pdev->dev, "enabled switch mode: %s\n", |
| 4727 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); |
| 4728 | |
| 4729 | return status; |
| 4730 | } |
| 4731 | err: |
| 4732 | dev_err(&adapter->pdev->dev, "Failed to set switch mode %s\n", |
| 4733 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); |
| 4734 | |
| 4735 | return status; |
| 4736 | } |
| 4737 | |
| 4738 | static int be_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4739 | struct net_device *dev, u32 filter_mask) |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4740 | { |
| 4741 | struct be_adapter *adapter = netdev_priv(dev); |
| 4742 | int status = 0; |
| 4743 | u8 hsw_mode; |
| 4744 | |
| 4745 | if (!sriov_enabled(adapter)) |
| 4746 | return 0; |
| 4747 | |
| 4748 | /* BE and Lancer chips support VEB mode only */ |
| 4749 | if (BEx_chip(adapter) || lancer_chip(adapter)) { |
| 4750 | hsw_mode = PORT_FWD_TYPE_VEB; |
| 4751 | } else { |
| 4752 | status = be_cmd_get_hsw_config(adapter, NULL, 0, |
| 4753 | adapter->if_handle, &hsw_mode); |
| 4754 | if (status) |
| 4755 | return 0; |
| 4756 | } |
| 4757 | |
| 4758 | return ndo_dflt_bridge_getlink(skb, pid, seq, dev, |
| 4759 | hsw_mode == PORT_FWD_TYPE_VEPA ? |
Scott Feldman | 2c3c031 | 2014-11-28 14:34:25 +0100 | [diff] [blame] | 4760 | BRIDGE_MODE_VEPA : BRIDGE_MODE_VEB, |
| 4761 | 0, 0); |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4762 | } |
| 4763 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4764 | #ifdef CONFIG_BE2NET_VXLAN |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4765 | /* VxLAN offload Notes: |
| 4766 | * |
| 4767 | * The stack defines tunnel offload flags (hw_enc_features) for IP and doesn't |
| 4768 | * distinguish various types of transports (VxLAN, GRE, NVGRE ..). So, offload |
| 4769 | * is expected to work across all types of IP tunnels once exported. Skyhawk |
| 4770 | * supports offloads for either VxLAN or NVGRE, exclusively. So we export VxLAN |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 4771 | * offloads in hw_enc_features only when a VxLAN port is added. If other (non |
| 4772 | * VxLAN) tunnels are configured while VxLAN offloads are enabled, offloads for |
| 4773 | * those other tunnels are unexported on the fly through ndo_features_check(). |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4774 | * |
| 4775 | * Skyhawk supports VxLAN offloads only for one UDP dport. So, if the stack |
| 4776 | * adds more than one port, disable offloads and don't re-enable them again |
| 4777 | * until after all the tunnels are removed. |
| 4778 | */ |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4779 | static void be_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family, |
| 4780 | __be16 port) |
| 4781 | { |
| 4782 | struct be_adapter *adapter = netdev_priv(netdev); |
| 4783 | struct device *dev = &adapter->pdev->dev; |
| 4784 | int status; |
| 4785 | |
| 4786 | if (lancer_chip(adapter) || BEx_chip(adapter)) |
| 4787 | return; |
| 4788 | |
| 4789 | if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) { |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4790 | dev_info(dev, |
| 4791 | "Only one UDP port supported for VxLAN offloads\n"); |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4792 | dev_info(dev, "Disabling VxLAN offloads\n"); |
| 4793 | adapter->vxlan_port_count++; |
| 4794 | goto err; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4795 | } |
| 4796 | |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4797 | if (adapter->vxlan_port_count++ >= 1) |
| 4798 | return; |
| 4799 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4800 | status = be_cmd_manage_iface(adapter, adapter->if_handle, |
| 4801 | OP_CONVERT_NORMAL_TO_TUNNEL); |
| 4802 | if (status) { |
| 4803 | dev_warn(dev, "Failed to convert normal interface to tunnel\n"); |
| 4804 | goto err; |
| 4805 | } |
| 4806 | |
| 4807 | status = be_cmd_set_vxlan_port(adapter, port); |
| 4808 | if (status) { |
| 4809 | dev_warn(dev, "Failed to add VxLAN port\n"); |
| 4810 | goto err; |
| 4811 | } |
| 4812 | adapter->flags |= BE_FLAGS_VXLAN_OFFLOADS; |
| 4813 | adapter->vxlan_port = port; |
| 4814 | |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4815 | netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
| 4816 | NETIF_F_TSO | NETIF_F_TSO6 | |
| 4817 | NETIF_F_GSO_UDP_TUNNEL; |
| 4818 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; |
Sriharsha Basavapatna | ac9a3d8 | 2014-12-19 10:00:18 +0530 | [diff] [blame] | 4819 | netdev->features |= NETIF_F_GSO_UDP_TUNNEL; |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4820 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4821 | dev_info(dev, "Enabled VxLAN offloads for UDP port %d\n", |
| 4822 | be16_to_cpu(port)); |
| 4823 | return; |
| 4824 | err: |
| 4825 | be_disable_vxlan_offloads(adapter); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4826 | } |
| 4827 | |
| 4828 | static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, |
| 4829 | __be16 port) |
| 4830 | { |
| 4831 | struct be_adapter *adapter = netdev_priv(netdev); |
| 4832 | |
| 4833 | if (lancer_chip(adapter) || BEx_chip(adapter)) |
| 4834 | return; |
| 4835 | |
| 4836 | if (adapter->vxlan_port != port) |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4837 | goto done; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4838 | |
| 4839 | be_disable_vxlan_offloads(adapter); |
| 4840 | |
| 4841 | dev_info(&adapter->pdev->dev, |
| 4842 | "Disabled VxLAN offloads for UDP port %d\n", |
| 4843 | be16_to_cpu(port)); |
Sriharsha Basavapatna | 630f4b7 | 2014-12-11 03:24:47 -0500 | [diff] [blame] | 4844 | done: |
| 4845 | adapter->vxlan_port_count--; |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4846 | } |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 4847 | |
Jesse Gross | 5f35227 | 2014-12-23 22:37:26 -0800 | [diff] [blame] | 4848 | static netdev_features_t be_features_check(struct sk_buff *skb, |
| 4849 | struct net_device *dev, |
| 4850 | netdev_features_t features) |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 4851 | { |
Sriharsha Basavapatna | 16dde0d | 2015-01-15 16:08:43 +0530 | [diff] [blame] | 4852 | struct be_adapter *adapter = netdev_priv(dev); |
| 4853 | u8 l4_hdr = 0; |
| 4854 | |
| 4855 | /* The code below restricts offload features for some tunneled packets. |
| 4856 | * Offload features for normal (non tunnel) packets are unchanged. |
| 4857 | */ |
| 4858 | if (!skb->encapsulation || |
| 4859 | !(adapter->flags & BE_FLAGS_VXLAN_OFFLOADS)) |
| 4860 | return features; |
| 4861 | |
| 4862 | /* It's an encapsulated packet and VxLAN offloads are enabled. We |
| 4863 | * should disable tunnel offload features if it's not a VxLAN packet, |
| 4864 | * as tunnel offloads have been enabled only for VxLAN. This is done to |
| 4865 | * allow other tunneled traffic like GRE work fine while VxLAN |
| 4866 | * offloads are configured in Skyhawk-R. |
| 4867 | */ |
| 4868 | switch (vlan_get_protocol(skb)) { |
| 4869 | case htons(ETH_P_IP): |
| 4870 | l4_hdr = ip_hdr(skb)->protocol; |
| 4871 | break; |
| 4872 | case htons(ETH_P_IPV6): |
| 4873 | l4_hdr = ipv6_hdr(skb)->nexthdr; |
| 4874 | break; |
| 4875 | default: |
| 4876 | return features; |
| 4877 | } |
| 4878 | |
| 4879 | if (l4_hdr != IPPROTO_UDP || |
| 4880 | skb->inner_protocol_type != ENCAP_TYPE_ETHER || |
| 4881 | skb->inner_protocol != htons(ETH_P_TEB) || |
| 4882 | skb_inner_mac_header(skb) - skb_transport_header(skb) != |
| 4883 | sizeof(struct udphdr) + sizeof(struct vxlanhdr)) |
| 4884 | return features & ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK); |
| 4885 | |
| 4886 | return features; |
Joe Stringer | 725d548 | 2014-11-13 16:38:13 -0800 | [diff] [blame] | 4887 | } |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4888 | #endif |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4889 | |
stephen hemminger | e5686ad | 2012-01-05 19:10:25 +0000 | [diff] [blame] | 4890 | static const struct net_device_ops be_netdev_ops = { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4891 | .ndo_open = be_open, |
| 4892 | .ndo_stop = be_close, |
| 4893 | .ndo_start_xmit = be_xmit, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4894 | .ndo_set_rx_mode = be_set_rx_mode, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4895 | .ndo_set_mac_address = be_mac_addr_set, |
| 4896 | .ndo_change_mtu = be_change_mtu, |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 4897 | .ndo_get_stats64 = be_get_stats64, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4898 | .ndo_validate_addr = eth_validate_addr, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4899 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
| 4900 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 4901 | .ndo_set_vf_mac = be_set_vf_mac, |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 4902 | .ndo_set_vf_vlan = be_set_vf_vlan, |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 4903 | .ndo_set_vf_rate = be_set_vf_tx_rate, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4904 | .ndo_get_vf_config = be_get_vf_config, |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 4905 | .ndo_set_vf_link_state = be_set_vf_link_state, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4906 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 4907 | .ndo_poll_controller = be_netpoll, |
| 4908 | #endif |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4909 | .ndo_bridge_setlink = be_ndo_bridge_setlink, |
| 4910 | .ndo_bridge_getlink = be_ndo_bridge_getlink, |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 4911 | #ifdef CONFIG_NET_RX_BUSY_POLL |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4912 | .ndo_busy_poll = be_busy_poll, |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 4913 | #endif |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4914 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4915 | .ndo_add_vxlan_port = be_add_vxlan_port, |
| 4916 | .ndo_del_vxlan_port = be_del_vxlan_port, |
Jesse Gross | 5f35227 | 2014-12-23 22:37:26 -0800 | [diff] [blame] | 4917 | .ndo_features_check = be_features_check, |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4918 | #endif |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4919 | }; |
| 4920 | |
| 4921 | static void be_netdev_init(struct net_device *netdev) |
| 4922 | { |
| 4923 | struct be_adapter *adapter = netdev_priv(netdev); |
| 4924 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 4925 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 4926 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 4927 | NETIF_F_HW_VLAN_CTAG_TX; |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 4928 | if (be_multi_rxq(adapter)) |
| 4929 | netdev->hw_features |= NETIF_F_RXHASH; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 4930 | |
| 4931 | netdev->features |= netdev->hw_features | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 4932 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 4933 | |
Padmanabh Ratnakar | eb8a50d | 2011-06-11 15:58:46 -0700 | [diff] [blame] | 4934 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 4935 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
Ajit Khaparde | 51c5987 | 2009-11-29 17:54:54 +0000 | [diff] [blame] | 4936 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 4937 | netdev->priv_flags |= IFF_UNICAST_FLT; |
| 4938 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4939 | netdev->flags |= IFF_MULTICAST; |
| 4940 | |
Sarveshwar Bandi | b7e5887 | 2012-06-13 19:51:43 +0000 | [diff] [blame] | 4941 | netif_set_gso_max_size(netdev, 65535 - ETH_HLEN); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 4942 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4943 | netdev->netdev_ops = &be_netdev_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4944 | |
Wilfried Klaebe | 7ad24ea | 2014-05-11 00:12:32 +0000 | [diff] [blame] | 4945 | netdev->ethtool_ops = &be_ethtool_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4946 | } |
| 4947 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 4948 | static void be_cleanup(struct be_adapter *adapter) |
| 4949 | { |
| 4950 | struct net_device *netdev = adapter->netdev; |
| 4951 | |
| 4952 | rtnl_lock(); |
| 4953 | netif_device_detach(netdev); |
| 4954 | if (netif_running(netdev)) |
| 4955 | be_close(netdev); |
| 4956 | rtnl_unlock(); |
| 4957 | |
| 4958 | be_clear(adapter); |
| 4959 | } |
| 4960 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 4961 | static int be_resume(struct be_adapter *adapter) |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4962 | { |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 4963 | struct net_device *netdev = adapter->netdev; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4964 | int status; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4965 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4966 | status = be_setup(adapter); |
| 4967 | if (status) |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 4968 | return status; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4969 | |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 4970 | if (netif_running(netdev)) { |
| 4971 | status = be_open(netdev); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4972 | if (status) |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 4973 | return status; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4974 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4975 | |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 4976 | netif_device_attach(netdev); |
| 4977 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 4978 | return 0; |
| 4979 | } |
| 4980 | |
| 4981 | static int be_err_recover(struct be_adapter *adapter) |
| 4982 | { |
| 4983 | struct device *dev = &adapter->pdev->dev; |
| 4984 | int status; |
| 4985 | |
| 4986 | status = be_resume(adapter); |
| 4987 | if (status) |
| 4988 | goto err; |
| 4989 | |
Sathya Perla | 9fa465c | 2015-02-23 04:20:13 -0500 | [diff] [blame] | 4990 | dev_info(dev, "Adapter recovery successful\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4991 | return 0; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4992 | err: |
Sathya Perla | 9fa465c | 2015-02-23 04:20:13 -0500 | [diff] [blame] | 4993 | if (be_physfn(adapter)) |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 4994 | dev_err(dev, "Adapter recovery failed\n"); |
Sathya Perla | 9fa465c | 2015-02-23 04:20:13 -0500 | [diff] [blame] | 4995 | else |
| 4996 | dev_err(dev, "Re-trying adapter recovery\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4997 | |
| 4998 | return status; |
| 4999 | } |
| 5000 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5001 | static void be_err_detection_task(struct work_struct *work) |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5002 | { |
| 5003 | struct be_adapter *adapter = |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5004 | container_of(work, struct be_adapter, |
| 5005 | be_err_detection_work.work); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5006 | int status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5007 | |
| 5008 | be_detect_error(adapter); |
| 5009 | |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5010 | if (adapter->hw_error) { |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 5011 | be_cleanup(adapter); |
Kalesh AP | d0e1b31 | 2015-02-23 04:20:12 -0500 | [diff] [blame] | 5012 | |
| 5013 | /* As of now error recovery support is in Lancer only */ |
| 5014 | if (lancer_chip(adapter)) |
| 5015 | status = be_err_recover(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5016 | } |
| 5017 | |
Sathya Perla | 9fa465c | 2015-02-23 04:20:13 -0500 | [diff] [blame] | 5018 | /* Always attempt recovery on VFs */ |
| 5019 | if (!status || be_virtfn(adapter)) |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5020 | be_schedule_err_detection(adapter); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5021 | } |
| 5022 | |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5023 | static void be_log_sfp_info(struct be_adapter *adapter) |
| 5024 | { |
| 5025 | int status; |
| 5026 | |
| 5027 | status = be_cmd_query_sfp_info(adapter); |
| 5028 | if (!status) { |
| 5029 | dev_err(&adapter->pdev->dev, |
| 5030 | "Unqualified SFP+ detected on %c from %s part no: %s", |
| 5031 | adapter->port_name, adapter->phy.vendor_name, |
| 5032 | adapter->phy.vendor_pn); |
| 5033 | } |
| 5034 | adapter->flags &= ~BE_FLAGS_EVT_INCOMPATIBLE_SFP; |
| 5035 | } |
| 5036 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5037 | static void be_worker(struct work_struct *work) |
| 5038 | { |
| 5039 | struct be_adapter *adapter = |
| 5040 | container_of(work, struct be_adapter, work.work); |
| 5041 | struct be_rx_obj *rxo; |
| 5042 | int i; |
| 5043 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5044 | /* when interrupts are not yet enabled, just reap any pending |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5045 | * mcc completions |
| 5046 | */ |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5047 | if (!netif_running(adapter->netdev)) { |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 5048 | local_bh_disable(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 5049 | be_process_mcc(adapter); |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 5050 | local_bh_enable(); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5051 | goto reschedule; |
| 5052 | } |
| 5053 | |
| 5054 | if (!adapter->stats_cmd_sent) { |
| 5055 | if (lancer_chip(adapter)) |
| 5056 | lancer_cmd_get_pport_stats(adapter, |
Kalesh AP | cd3307aa | 2014-09-19 15:47:02 +0530 | [diff] [blame] | 5057 | &adapter->stats_cmd); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5058 | else |
| 5059 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
| 5060 | } |
| 5061 | |
Vasundhara Volam | d696b5e | 2013-08-06 09:27:16 +0530 | [diff] [blame] | 5062 | if (be_physfn(adapter) && |
| 5063 | MODULO(adapter->work_counter, adapter->be_get_temp_freq) == 0) |
Padmanabh Ratnakar | 7aeb215 | 2012-07-12 03:56:46 +0000 | [diff] [blame] | 5064 | be_cmd_get_die_temperature(adapter); |
| 5065 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5066 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 5067 | /* Replenish RX-queues starved due to memory |
| 5068 | * allocation failures. |
| 5069 | */ |
| 5070 | if (rxo->rx_post_starved) |
Ajit Khaparde | c30d726 | 2014-09-12 17:39:16 +0530 | [diff] [blame] | 5071 | be_post_rx_frags(rxo, GFP_KERNEL, MAX_RX_POST); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5072 | } |
| 5073 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 5074 | be_eqd_update(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 5075 | |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5076 | if (adapter->flags & BE_FLAGS_EVT_INCOMPATIBLE_SFP) |
| 5077 | be_log_sfp_info(adapter); |
| 5078 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 5079 | reschedule: |
| 5080 | adapter->work_counter++; |
| 5081 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 5082 | } |
| 5083 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5084 | static void be_unmap_pci_bars(struct be_adapter *adapter) |
| 5085 | { |
| 5086 | if (adapter->csr) |
| 5087 | pci_iounmap(adapter->pdev, adapter->csr); |
| 5088 | if (adapter->db) |
| 5089 | pci_iounmap(adapter->pdev, adapter->db); |
| 5090 | } |
| 5091 | |
| 5092 | static int db_bar(struct be_adapter *adapter) |
| 5093 | { |
| 5094 | if (lancer_chip(adapter) || !be_physfn(adapter)) |
| 5095 | return 0; |
| 5096 | else |
| 5097 | return 4; |
| 5098 | } |
| 5099 | |
| 5100 | static int be_roce_map_pci_bars(struct be_adapter *adapter) |
| 5101 | { |
| 5102 | if (skyhawk_chip(adapter)) { |
| 5103 | adapter->roce_db.size = 4096; |
| 5104 | adapter->roce_db.io_addr = pci_resource_start(adapter->pdev, |
| 5105 | db_bar(adapter)); |
| 5106 | adapter->roce_db.total_size = pci_resource_len(adapter->pdev, |
| 5107 | db_bar(adapter)); |
| 5108 | } |
| 5109 | return 0; |
| 5110 | } |
| 5111 | |
| 5112 | static int be_map_pci_bars(struct be_adapter *adapter) |
| 5113 | { |
| 5114 | u8 __iomem *addr; |
| 5115 | u32 sli_intf; |
| 5116 | |
| 5117 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 5118 | adapter->sli_family = (sli_intf & SLI_INTF_FAMILY_MASK) >> |
| 5119 | SLI_INTF_FAMILY_SHIFT; |
| 5120 | adapter->virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; |
| 5121 | |
| 5122 | if (BEx_chip(adapter) && be_physfn(adapter)) { |
| 5123 | adapter->csr = pci_iomap(adapter->pdev, 2, 0); |
| 5124 | if (!adapter->csr) |
| 5125 | return -ENOMEM; |
| 5126 | } |
| 5127 | |
| 5128 | addr = pci_iomap(adapter->pdev, db_bar(adapter), 0); |
| 5129 | if (!addr) |
| 5130 | goto pci_map_err; |
| 5131 | adapter->db = addr; |
| 5132 | |
| 5133 | be_roce_map_pci_bars(adapter); |
| 5134 | return 0; |
| 5135 | |
| 5136 | pci_map_err: |
| 5137 | dev_err(&adapter->pdev->dev, "Error in mapping PCI BARs\n"); |
| 5138 | be_unmap_pci_bars(adapter); |
| 5139 | return -ENOMEM; |
| 5140 | } |
| 5141 | |
| 5142 | static void be_drv_cleanup(struct be_adapter *adapter) |
| 5143 | { |
| 5144 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
| 5145 | struct device *dev = &adapter->pdev->dev; |
| 5146 | |
| 5147 | if (mem->va) |
| 5148 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5149 | |
| 5150 | mem = &adapter->rx_filter; |
| 5151 | if (mem->va) |
| 5152 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5153 | |
| 5154 | mem = &adapter->stats_cmd; |
| 5155 | if (mem->va) |
| 5156 | dma_free_coherent(dev, mem->size, mem->va, mem->dma); |
| 5157 | } |
| 5158 | |
| 5159 | /* Allocate and initialize various fields in be_adapter struct */ |
| 5160 | static int be_drv_init(struct be_adapter *adapter) |
| 5161 | { |
| 5162 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
| 5163 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; |
| 5164 | struct be_dma_mem *rx_filter = &adapter->rx_filter; |
| 5165 | struct be_dma_mem *stats_cmd = &adapter->stats_cmd; |
| 5166 | struct device *dev = &adapter->pdev->dev; |
| 5167 | int status = 0; |
| 5168 | |
| 5169 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; |
| 5170 | mbox_mem_alloc->va = dma_alloc_coherent(dev, mbox_mem_alloc->size, |
| 5171 | &mbox_mem_alloc->dma, |
| 5172 | GFP_KERNEL); |
| 5173 | if (!mbox_mem_alloc->va) |
| 5174 | return -ENOMEM; |
| 5175 | |
| 5176 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
| 5177 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); |
| 5178 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); |
| 5179 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); |
| 5180 | |
| 5181 | rx_filter->size = sizeof(struct be_cmd_req_rx_filter); |
| 5182 | rx_filter->va = dma_zalloc_coherent(dev, rx_filter->size, |
| 5183 | &rx_filter->dma, GFP_KERNEL); |
| 5184 | if (!rx_filter->va) { |
| 5185 | status = -ENOMEM; |
| 5186 | goto free_mbox; |
| 5187 | } |
| 5188 | |
| 5189 | if (lancer_chip(adapter)) |
| 5190 | stats_cmd->size = sizeof(struct lancer_cmd_req_pport_stats); |
| 5191 | else if (BE2_chip(adapter)) |
| 5192 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
| 5193 | else if (BE3_chip(adapter)) |
| 5194 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v1); |
| 5195 | else |
| 5196 | stats_cmd->size = sizeof(struct be_cmd_req_get_stats_v2); |
| 5197 | stats_cmd->va = dma_zalloc_coherent(dev, stats_cmd->size, |
| 5198 | &stats_cmd->dma, GFP_KERNEL); |
| 5199 | if (!stats_cmd->va) { |
| 5200 | status = -ENOMEM; |
| 5201 | goto free_rx_filter; |
| 5202 | } |
| 5203 | |
| 5204 | mutex_init(&adapter->mbox_lock); |
| 5205 | spin_lock_init(&adapter->mcc_lock); |
| 5206 | spin_lock_init(&adapter->mcc_cq_lock); |
| 5207 | init_completion(&adapter->et_cmd_compl); |
| 5208 | |
| 5209 | pci_save_state(adapter->pdev); |
| 5210 | |
| 5211 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5212 | INIT_DELAYED_WORK(&adapter->be_err_detection_work, |
| 5213 | be_err_detection_task); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5214 | |
| 5215 | adapter->rx_fc = true; |
| 5216 | adapter->tx_fc = true; |
| 5217 | |
| 5218 | /* Must be a power of 2 or else MODULO will BUG_ON */ |
| 5219 | adapter->be_get_temp_freq = 64; |
| 5220 | adapter->cfg_num_qs = netif_get_num_default_rss_queues(); |
| 5221 | |
| 5222 | return 0; |
| 5223 | |
| 5224 | free_rx_filter: |
| 5225 | dma_free_coherent(dev, rx_filter->size, rx_filter->va, rx_filter->dma); |
| 5226 | free_mbox: |
| 5227 | dma_free_coherent(dev, mbox_mem_alloc->size, mbox_mem_alloc->va, |
| 5228 | mbox_mem_alloc->dma); |
| 5229 | return status; |
| 5230 | } |
| 5231 | |
| 5232 | static void be_remove(struct pci_dev *pdev) |
| 5233 | { |
| 5234 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5235 | |
| 5236 | if (!adapter) |
| 5237 | return; |
| 5238 | |
| 5239 | be_roce_dev_remove(adapter); |
| 5240 | be_intr_set(adapter, false); |
| 5241 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5242 | be_cancel_err_detection(adapter); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5243 | |
| 5244 | unregister_netdev(adapter->netdev); |
| 5245 | |
| 5246 | be_clear(adapter); |
| 5247 | |
| 5248 | /* tell fw we're done with firing cmds */ |
| 5249 | be_cmd_fw_clean(adapter); |
| 5250 | |
| 5251 | be_unmap_pci_bars(adapter); |
| 5252 | be_drv_cleanup(adapter); |
| 5253 | |
| 5254 | pci_disable_pcie_error_reporting(pdev); |
| 5255 | |
| 5256 | pci_release_regions(pdev); |
| 5257 | pci_disable_device(pdev); |
| 5258 | |
| 5259 | free_netdev(adapter->netdev); |
| 5260 | } |
| 5261 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5262 | static char *mc_name(struct be_adapter *adapter) |
| 5263 | { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 5264 | char *str = ""; /* default */ |
| 5265 | |
| 5266 | switch (adapter->mc_type) { |
| 5267 | case UMC: |
| 5268 | str = "UMC"; |
| 5269 | break; |
| 5270 | case FLEX10: |
| 5271 | str = "FLEX10"; |
| 5272 | break; |
| 5273 | case vNIC1: |
| 5274 | str = "vNIC-1"; |
| 5275 | break; |
| 5276 | case nPAR: |
| 5277 | str = "nPAR"; |
| 5278 | break; |
| 5279 | case UFP: |
| 5280 | str = "UFP"; |
| 5281 | break; |
| 5282 | case vNIC2: |
| 5283 | str = "vNIC-2"; |
| 5284 | break; |
| 5285 | default: |
| 5286 | str = ""; |
| 5287 | } |
| 5288 | |
| 5289 | return str; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5290 | } |
| 5291 | |
| 5292 | static inline char *func_name(struct be_adapter *adapter) |
| 5293 | { |
| 5294 | return be_physfn(adapter) ? "PF" : "VF"; |
| 5295 | } |
| 5296 | |
Sathya Perla | f7062ee | 2015-02-06 08:18:35 -0500 | [diff] [blame] | 5297 | static inline char *nic_name(struct pci_dev *pdev) |
| 5298 | { |
| 5299 | switch (pdev->device) { |
| 5300 | case OC_DEVICE_ID1: |
| 5301 | return OC_NAME; |
| 5302 | case OC_DEVICE_ID2: |
| 5303 | return OC_NAME_BE; |
| 5304 | case OC_DEVICE_ID3: |
| 5305 | case OC_DEVICE_ID4: |
| 5306 | return OC_NAME_LANCER; |
| 5307 | case BE_DEVICE_ID2: |
| 5308 | return BE3_NAME; |
| 5309 | case OC_DEVICE_ID5: |
| 5310 | case OC_DEVICE_ID6: |
| 5311 | return OC_NAME_SH; |
| 5312 | default: |
| 5313 | return BE_NAME; |
| 5314 | } |
| 5315 | } |
| 5316 | |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 5317 | 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] | 5318 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5319 | struct be_adapter *adapter; |
| 5320 | struct net_device *netdev; |
Vasundhara Volam | 2125237 | 2015-02-06 08:18:42 -0500 | [diff] [blame] | 5321 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5322 | |
Sathya Perla | acbafeb | 2014-09-02 09:56:46 +0530 | [diff] [blame] | 5323 | dev_info(&pdev->dev, "%s version is %s\n", DRV_NAME, DRV_VER); |
| 5324 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5325 | status = pci_enable_device(pdev); |
| 5326 | if (status) |
| 5327 | goto do_none; |
| 5328 | |
| 5329 | status = pci_request_regions(pdev, DRV_NAME); |
| 5330 | if (status) |
| 5331 | goto disable_dev; |
| 5332 | pci_set_master(pdev); |
| 5333 | |
Sathya Perla | 7f64006 | 2012-06-05 19:37:20 +0000 | [diff] [blame] | 5334 | netdev = alloc_etherdev_mqs(sizeof(*adapter), MAX_TX_QS, MAX_RX_QS); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 5335 | if (!netdev) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5336 | status = -ENOMEM; |
| 5337 | goto rel_reg; |
| 5338 | } |
| 5339 | adapter = netdev_priv(netdev); |
| 5340 | adapter->pdev = pdev; |
| 5341 | pci_set_drvdata(pdev, adapter); |
| 5342 | adapter->netdev = netdev; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 5343 | SET_NETDEV_DEV(netdev, &pdev->dev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5344 | |
Russell King | 4c15c24 | 2013-06-26 23:49:11 +0100 | [diff] [blame] | 5345 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5346 | if (!status) { |
| 5347 | netdev->features |= NETIF_F_HIGHDMA; |
| 5348 | } else { |
Russell King | 4c15c24 | 2013-06-26 23:49:11 +0100 | [diff] [blame] | 5349 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5350 | if (status) { |
| 5351 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); |
| 5352 | goto free_netdev; |
| 5353 | } |
| 5354 | } |
| 5355 | |
Kalesh AP | 2f951a9 | 2014-09-12 17:39:21 +0530 | [diff] [blame] | 5356 | status = pci_enable_pcie_error_reporting(pdev); |
| 5357 | if (!status) |
| 5358 | dev_info(&pdev->dev, "PCIe error reporting enabled\n"); |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 5359 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5360 | status = be_map_pci_bars(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5361 | if (status) |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 5362 | goto free_netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5363 | |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5364 | status = be_drv_init(adapter); |
| 5365 | if (status) |
| 5366 | goto unmap_bars; |
| 5367 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5368 | status = be_setup(adapter); |
| 5369 | if (status) |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5370 | goto drv_cleanup; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 5371 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 5372 | be_netdev_init(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5373 | status = register_netdev(netdev); |
| 5374 | if (status != 0) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5375 | goto unsetup; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5376 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 5377 | be_roce_dev_add(adapter); |
| 5378 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5379 | be_schedule_err_detection(adapter); |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 5380 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 5381 | 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] | 5382 | func_name(adapter), mc_name(adapter), adapter->port_name); |
Somnath Kotur | 34b1ef0 | 2011-06-01 00:33:22 +0000 | [diff] [blame] | 5383 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5384 | return 0; |
| 5385 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 5386 | unsetup: |
| 5387 | be_clear(adapter); |
Sathya Perla | 78fad34e | 2015-02-23 04:20:08 -0500 | [diff] [blame] | 5388 | drv_cleanup: |
| 5389 | be_drv_cleanup(adapter); |
| 5390 | unmap_bars: |
| 5391 | be_unmap_pci_bars(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 5392 | free_netdev: |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 5393 | free_netdev(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5394 | rel_reg: |
| 5395 | pci_release_regions(pdev); |
| 5396 | disable_dev: |
| 5397 | pci_disable_device(pdev); |
| 5398 | do_none: |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 5399 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5400 | return status; |
| 5401 | } |
| 5402 | |
| 5403 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) |
| 5404 | { |
| 5405 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5406 | |
Suresh Reddy | 76a9e08 | 2014-01-15 13:23:40 +0530 | [diff] [blame] | 5407 | if (adapter->wol_en) |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 5408 | be_setup_wol(adapter, true); |
| 5409 | |
Ajit Khaparde | d4360d6 | 2013-11-22 12:51:09 -0600 | [diff] [blame] | 5410 | be_intr_set(adapter, false); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5411 | be_cancel_err_detection(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5412 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 5413 | be_cleanup(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5414 | |
| 5415 | pci_save_state(pdev); |
| 5416 | pci_disable_device(pdev); |
| 5417 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 5418 | return 0; |
| 5419 | } |
| 5420 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5421 | static int be_pci_resume(struct pci_dev *pdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5422 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5423 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5424 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5425 | |
| 5426 | status = pci_enable_device(pdev); |
| 5427 | if (status) |
| 5428 | return status; |
| 5429 | |
Yijing Wang | 1ca0151 | 2013-06-27 20:53:42 +0800 | [diff] [blame] | 5430 | pci_set_power_state(pdev, PCI_D0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5431 | pci_restore_state(pdev); |
| 5432 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5433 | status = be_resume(adapter); |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 5434 | if (status) |
| 5435 | return status; |
| 5436 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5437 | be_schedule_err_detection(adapter); |
| 5438 | |
Suresh Reddy | 76a9e08 | 2014-01-15 13:23:40 +0530 | [diff] [blame] | 5439 | if (adapter->wol_en) |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 5440 | be_setup_wol(adapter, false); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 5441 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5442 | return 0; |
| 5443 | } |
| 5444 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5445 | /* |
| 5446 | * An FLR will stop BE from DMAing any data. |
| 5447 | */ |
| 5448 | static void be_shutdown(struct pci_dev *pdev) |
| 5449 | { |
| 5450 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5451 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 5452 | if (!adapter) |
| 5453 | return; |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5454 | |
Devesh Sharma | d114f99 | 2014-06-10 19:32:15 +0530 | [diff] [blame] | 5455 | be_roce_dev_shutdown(adapter); |
Sathya Perla | 0f4a682 | 2011-03-21 20:49:28 +0000 | [diff] [blame] | 5456 | cancel_delayed_work_sync(&adapter->work); |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5457 | be_cancel_err_detection(adapter); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 5458 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 5459 | netif_device_detach(adapter->netdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5460 | |
Ajit Khaparde | 5784186 | 2011-04-06 18:08:43 +0000 | [diff] [blame] | 5461 | be_cmd_reset_function(adapter); |
| 5462 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5463 | pci_disable_device(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5464 | } |
| 5465 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5466 | 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] | 5467 | pci_channel_state_t state) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5468 | { |
| 5469 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5470 | |
| 5471 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); |
| 5472 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5473 | if (!adapter->eeh_error) { |
| 5474 | adapter->eeh_error = true; |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5475 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5476 | be_cancel_err_detection(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5477 | |
Kalesh AP | 87ac1a5 | 2015-02-23 04:20:15 -0500 | [diff] [blame] | 5478 | be_cleanup(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5479 | } |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5480 | |
| 5481 | if (state == pci_channel_io_perm_failure) |
| 5482 | return PCI_ERS_RESULT_DISCONNECT; |
| 5483 | |
| 5484 | pci_disable_device(pdev); |
| 5485 | |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 5486 | /* The error could cause the FW to trigger a flash debug dump. |
| 5487 | * Resetting the card while flash dump is in progress |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 5488 | * can cause it not to recover; wait for it to finish. |
| 5489 | * Wait only for first function as it is needed only once per |
| 5490 | * adapter. |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 5491 | */ |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 5492 | if (pdev->devfn == 0) |
| 5493 | ssleep(30); |
| 5494 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5495 | return PCI_ERS_RESULT_NEED_RESET; |
| 5496 | } |
| 5497 | |
| 5498 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) |
| 5499 | { |
| 5500 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5501 | int status; |
| 5502 | |
| 5503 | dev_info(&adapter->pdev->dev, "EEH reset\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5504 | |
| 5505 | status = pci_enable_device(pdev); |
| 5506 | if (status) |
| 5507 | return PCI_ERS_RESULT_DISCONNECT; |
| 5508 | |
| 5509 | pci_set_master(pdev); |
Yijing Wang | 1ca0151 | 2013-06-27 20:53:42 +0800 | [diff] [blame] | 5510 | pci_set_power_state(pdev, PCI_D0); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5511 | pci_restore_state(pdev); |
| 5512 | |
| 5513 | /* Check if card is ok and fw is ready */ |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 5514 | dev_info(&adapter->pdev->dev, |
| 5515 | "Waiting for FW to be ready after EEH reset\n"); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 5516 | status = be_fw_wait_ready(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5517 | if (status) |
| 5518 | return PCI_ERS_RESULT_DISCONNECT; |
| 5519 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 5520 | pci_cleanup_aer_uncorrect_error_status(pdev); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5521 | be_clear_all_error(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5522 | return PCI_ERS_RESULT_RECOVERED; |
| 5523 | } |
| 5524 | |
| 5525 | static void be_eeh_resume(struct pci_dev *pdev) |
| 5526 | { |
| 5527 | int status = 0; |
| 5528 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5529 | |
| 5530 | dev_info(&adapter->pdev->dev, "EEH resume\n"); |
| 5531 | |
| 5532 | pci_save_state(pdev); |
| 5533 | |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5534 | status = be_resume(adapter); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 5535 | if (status) |
| 5536 | goto err; |
| 5537 | |
Sathya Perla | eb7dd46 | 2015-02-23 04:20:11 -0500 | [diff] [blame] | 5538 | be_schedule_err_detection(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5539 | return; |
| 5540 | err: |
| 5541 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5542 | } |
| 5543 | |
Stephen Hemminger | 3646f0e | 2012-09-07 09:33:15 -0700 | [diff] [blame] | 5544 | static const struct pci_error_handlers be_eeh_handlers = { |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5545 | .error_detected = be_eeh_err_detected, |
| 5546 | .slot_reset = be_eeh_reset, |
| 5547 | .resume = be_eeh_resume, |
| 5548 | }; |
| 5549 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5550 | static struct pci_driver be_driver = { |
| 5551 | .name = DRV_NAME, |
| 5552 | .id_table = be_dev_ids, |
| 5553 | .probe = be_probe, |
| 5554 | .remove = be_remove, |
| 5555 | .suspend = be_suspend, |
Kalesh AP | 484d76f | 2015-02-23 04:20:14 -0500 | [diff] [blame] | 5556 | .resume = be_pci_resume, |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5557 | .shutdown = be_shutdown, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5558 | .err_handler = &be_eeh_handlers |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5559 | }; |
| 5560 | |
| 5561 | static int __init be_init_module(void) |
| 5562 | { |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 5563 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
| 5564 | rx_frag_size != 2048) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5565 | printk(KERN_WARNING DRV_NAME |
| 5566 | " : Module param rx_frag_size must be 2048/4096/8192." |
| 5567 | " Using 2048\n"); |
| 5568 | rx_frag_size = 2048; |
| 5569 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5570 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5571 | return pci_register_driver(&be_driver); |
| 5572 | } |
| 5573 | module_init(be_init_module); |
| 5574 | |
| 5575 | static void __exit be_exit_module(void) |
| 5576 | { |
| 5577 | pci_unregister_driver(&be_driver); |
| 5578 | } |
| 5579 | module_exit(be_exit_module); |