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); |
| 29 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
| 30 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); |
Sarveshwar Bandi | 00d3d51 | 2013-01-28 04:17:01 +0000 | [diff] [blame] | 31 | MODULE_AUTHOR("Emulex Corporation"); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 32 | MODULE_LICENSE("GPL"); |
| 33 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 34 | static unsigned int num_vfs; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 35 | module_param(num_vfs, uint, S_IRUGO); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 36 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 37 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 38 | static ushort rx_frag_size = 2048; |
| 39 | module_param(rx_frag_size, ushort, S_IRUGO); |
| 40 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
| 41 | |
Benoit Taine | 9baa3c3 | 2014-08-08 15:56:03 +0200 | [diff] [blame^] | 42 | static const struct pci_device_id be_dev_ids[] = { |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 43 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
Ajit Khaparde | 59fd5d8 | 2009-10-29 01:11:06 -0700 | [diff] [blame] | 44 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 45 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
| 46 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 47 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
Mammatha Edhala | 12f4d0a | 2011-05-18 03:26:22 +0000 | [diff] [blame] | 48 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, |
Ajit Khaparde | ecedb6a | 2011-12-15 06:31:38 +0000 | [diff] [blame] | 49 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID5)}, |
Padmanabh Ratnakar | 76b7353 | 2012-10-20 06:04:40 +0000 | [diff] [blame] | 50 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID6)}, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 51 | { 0 } |
| 52 | }; |
| 53 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 54 | /* UE Status Low CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 55 | static const char * const ue_status_low_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 56 | "CEV", |
| 57 | "CTX", |
| 58 | "DBUF", |
| 59 | "ERX", |
| 60 | "Host", |
| 61 | "MPU", |
| 62 | "NDMA", |
| 63 | "PTC ", |
| 64 | "RDMA ", |
| 65 | "RXF ", |
| 66 | "RXIPS ", |
| 67 | "RXULP0 ", |
| 68 | "RXULP1 ", |
| 69 | "RXULP2 ", |
| 70 | "TIM ", |
| 71 | "TPOST ", |
| 72 | "TPRE ", |
| 73 | "TXIPS ", |
| 74 | "TXULP0 ", |
| 75 | "TXULP1 ", |
| 76 | "UC ", |
| 77 | "WDMA ", |
| 78 | "TXULP2 ", |
| 79 | "HOST1 ", |
| 80 | "P0_OB_LINK ", |
| 81 | "P1_OB_LINK ", |
| 82 | "HOST_GPIO ", |
| 83 | "MBOX ", |
Vasundhara Volam | 6bdf8f5 | 2014-07-17 16:20:25 +0530 | [diff] [blame] | 84 | "ERX2 ", |
| 85 | "SPARE ", |
| 86 | "JTAG ", |
| 87 | "MPU_INTPEND " |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 88 | }; |
| 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 | |
Sathya Perla | 752961a | 2011-10-24 02:45:03 +0000 | [diff] [blame] | 125 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 126 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
| 127 | { |
| 128 | struct be_dma_mem *mem = &q->dma_mem; |
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; |
| 190 | val |= qid & DB_RQ_RING_ID_MASK; |
| 191 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 192 | |
| 193 | wmb(); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 194 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 195 | } |
| 196 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 197 | static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 198 | u16 posted) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 199 | { |
| 200 | u32 val = 0; |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 201 | val |= txo->q.id & DB_TXULP_RING_ID_MASK; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 202 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 203 | |
| 204 | wmb(); |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 205 | iowrite32(val, adapter->db + txo->db_offset); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 206 | } |
| 207 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 208 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 209 | bool arm, bool clear_int, u16 num_popped) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 210 | { |
| 211 | u32 val = 0; |
| 212 | val |= qid & DB_EQ_RING_ID_MASK; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 213 | 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] | 214 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 215 | if (adapter->eeh_error) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 216 | return; |
| 217 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 218 | if (arm) |
| 219 | val |= 1 << DB_EQ_REARM_SHIFT; |
| 220 | if (clear_int) |
| 221 | val |= 1 << DB_EQ_CLR_SHIFT; |
| 222 | val |= 1 << DB_EQ_EVNT_SHIFT; |
| 223 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 224 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 225 | } |
| 226 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 227 | 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] | 228 | { |
| 229 | u32 val = 0; |
| 230 | val |= qid & DB_CQ_RING_ID_MASK; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 231 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
| 232 | DB_CQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 233 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 234 | if (adapter->eeh_error) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 235 | return; |
| 236 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 237 | if (arm) |
| 238 | val |= 1 << DB_CQ_REARM_SHIFT; |
| 239 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 240 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 241 | } |
| 242 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 243 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
| 244 | { |
| 245 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 246 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 247 | struct sockaddr *addr = p; |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 248 | int status; |
| 249 | u8 mac[ETH_ALEN]; |
| 250 | u32 old_pmac_id = adapter->pmac_id[0], curr_pmac_id = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 251 | |
Ajit Khaparde | ca9e498 | 2009-11-29 17:56:26 +0000 | [diff] [blame] | 252 | if (!is_valid_ether_addr(addr->sa_data)) |
| 253 | return -EADDRNOTAVAIL; |
| 254 | |
Vasundhara Volam | ff32f8a | 2014-01-15 13:23:35 +0530 | [diff] [blame] | 255 | /* Proceed further only if, User provided MAC is different |
| 256 | * from active MAC |
| 257 | */ |
| 258 | if (ether_addr_equal(addr->sa_data, netdev->dev_addr)) |
| 259 | return 0; |
| 260 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 261 | /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT |
| 262 | * privilege or if PF did not provision the new MAC address. |
| 263 | * On BE3, this cmd will always fail if the VF doesn't have the |
| 264 | * FILTMGMT privilege. This failure is OK, only if the PF programmed |
| 265 | * the MAC for the VF. |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 266 | */ |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 267 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
| 268 | adapter->if_handle, &adapter->pmac_id[0], 0); |
| 269 | if (!status) { |
| 270 | curr_pmac_id = adapter->pmac_id[0]; |
| 271 | |
| 272 | /* Delete the old programmed MAC. This call may fail if the |
| 273 | * old MAC was already deleted by the PF driver. |
| 274 | */ |
| 275 | if (adapter->pmac_id[0] != old_pmac_id) |
| 276 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 277 | old_pmac_id, 0); |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 278 | } |
| 279 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 280 | /* Decide if the new MAC is successfully activated only after |
| 281 | * querying the FW |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 282 | */ |
Suresh Reddy | b188f09 | 2014-01-15 13:23:39 +0530 | [diff] [blame] | 283 | status = be_cmd_get_active_mac(adapter, curr_pmac_id, mac, |
| 284 | adapter->if_handle, true, 0); |
Sathya Perla | a65027e | 2009-08-17 00:58:04 +0000 | [diff] [blame] | 285 | if (status) |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 286 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 287 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 288 | /* The MAC change did not happen, either due to lack of privilege |
| 289 | * or PF didn't pre-provision. |
| 290 | */ |
dingtianhong | 61d23e9 | 2013-12-30 15:40:43 +0800 | [diff] [blame] | 291 | if (!ether_addr_equal(addr->sa_data, mac)) { |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 292 | status = -EPERM; |
| 293 | goto err; |
| 294 | } |
| 295 | |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 296 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 297 | dev_info(dev, "MAC address changed to %pM\n", mac); |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 298 | return 0; |
| 299 | err: |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 300 | 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] | 301 | return status; |
| 302 | } |
| 303 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 304 | /* BE2 supports only v0 cmd */ |
| 305 | static void *hw_stats_from_cmd(struct be_adapter *adapter) |
| 306 | { |
| 307 | if (BE2_chip(adapter)) { |
| 308 | struct be_cmd_resp_get_stats_v0 *cmd = adapter->stats_cmd.va; |
| 309 | |
| 310 | return &cmd->hw_stats; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 311 | } else if (BE3_chip(adapter)) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 312 | struct be_cmd_resp_get_stats_v1 *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 { |
| 316 | struct be_cmd_resp_get_stats_v2 *cmd = adapter->stats_cmd.va; |
| 317 | |
| 318 | return &cmd->hw_stats; |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 319 | } |
| 320 | } |
| 321 | |
| 322 | /* BE2 supports only v0 cmd */ |
| 323 | static void *be_erx_stats_from_cmd(struct be_adapter *adapter) |
| 324 | { |
| 325 | if (BE2_chip(adapter)) { |
| 326 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 327 | |
| 328 | return &hw_stats->erx; |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 329 | } else if (BE3_chip(adapter)) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 330 | struct be_hw_stats_v1 *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 { |
| 334 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); |
| 335 | |
| 336 | return &hw_stats->erx; |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 337 | } |
| 338 | } |
| 339 | |
| 340 | static void populate_be_v0_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 341 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 342 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 343 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 344 | struct be_rxf_stats_v0 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 345 | struct be_port_rxf_stats_v0 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 346 | &rxf_stats->port[adapter->port_num]; |
| 347 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 348 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 349 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 350 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 351 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 352 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 353 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 354 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 355 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 356 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 357 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 358 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 359 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; |
| 360 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 361 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 362 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 363 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 364 | drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 365 | drvs->rx_dropped_header_too_small = |
| 366 | port_stats->rx_dropped_header_too_small; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 367 | drvs->rx_address_filtered = |
| 368 | port_stats->rx_address_filtered + |
| 369 | port_stats->rx_vlan_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 370 | drvs->rx_alignment_symbol_errors = |
| 371 | port_stats->rx_alignment_symbol_errors; |
| 372 | |
| 373 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 374 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 375 | |
| 376 | if (adapter->port_num) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 377 | drvs->jabber_events = rxf_stats->port1_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 378 | else |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 379 | drvs->jabber_events = rxf_stats->port0_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 380 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 381 | 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] | 382 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 383 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 384 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 385 | 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] | 386 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 387 | } |
| 388 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 389 | static void populate_be_v1_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 390 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 391 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 392 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 393 | struct be_rxf_stats_v1 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 394 | struct be_port_rxf_stats_v1 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 395 | &rxf_stats->port[adapter->port_num]; |
| 396 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 397 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 398 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 02fe702 | 2011-12-09 13:53:09 +0000 | [diff] [blame] | 399 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 400 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 401 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 402 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 403 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 404 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 405 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 406 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 407 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 408 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 409 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 410 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 411 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 412 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 413 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 414 | drvs->rx_dropped_header_too_small = |
| 415 | port_stats->rx_dropped_header_too_small; |
| 416 | drvs->rx_input_fifo_overflow_drop = |
| 417 | port_stats->rx_input_fifo_overflow_drop; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 418 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 419 | drvs->rx_alignment_symbol_errors = |
| 420 | port_stats->rx_alignment_symbol_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 421 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 422 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 423 | drvs->tx_controlframes = port_stats->tx_controlframes; |
Ajit Khaparde | b5adffc4 | 2013-05-01 09:38:00 +0000 | [diff] [blame] | 424 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 425 | drvs->jabber_events = port_stats->jabber_events; |
| 426 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 427 | 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] | 428 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 429 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 430 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 431 | 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] | 432 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 433 | } |
| 434 | |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 435 | static void populate_be_v2_stats(struct be_adapter *adapter) |
| 436 | { |
| 437 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); |
| 438 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 439 | struct be_rxf_stats_v2 *rxf_stats = &hw_stats->rxf; |
| 440 | struct be_port_rxf_stats_v2 *port_stats = |
| 441 | &rxf_stats->port[adapter->port_num]; |
| 442 | struct be_drv_stats *drvs = &adapter->drv_stats; |
| 443 | |
| 444 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
| 445 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 446 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
| 447 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 448 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 449 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 450 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 451 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 452 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 453 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 454 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 455 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 456 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 457 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 458 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 459 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 460 | drvs->rx_dropped_header_too_small = |
| 461 | port_stats->rx_dropped_header_too_small; |
| 462 | drvs->rx_input_fifo_overflow_drop = |
| 463 | port_stats->rx_input_fifo_overflow_drop; |
| 464 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
| 465 | drvs->rx_alignment_symbol_errors = |
| 466 | port_stats->rx_alignment_symbol_errors; |
| 467 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
| 468 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 469 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 470 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
| 471 | drvs->jabber_events = port_stats->jabber_events; |
| 472 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
| 473 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
| 474 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 475 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
| 476 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 477 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; |
| 478 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 479 | if (be_roce_supported(adapter)) { |
Ajit Khaparde | 461ae37 | 2013-10-03 16:16:50 -0500 | [diff] [blame] | 480 | drvs->rx_roce_bytes_lsd = port_stats->roce_bytes_received_lsd; |
| 481 | drvs->rx_roce_bytes_msd = port_stats->roce_bytes_received_msd; |
| 482 | drvs->rx_roce_frames = port_stats->roce_frames_received; |
| 483 | drvs->roce_drops_crc = port_stats->roce_drops_crc; |
| 484 | drvs->roce_drops_payload_len = |
| 485 | port_stats->roce_drops_payload_len; |
| 486 | } |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 487 | } |
| 488 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 489 | static void populate_lancer_stats(struct be_adapter *adapter) |
| 490 | { |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 491 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 492 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 493 | struct lancer_pport_stats *pport_stats = pport_stats_from_cmd(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 494 | |
| 495 | be_dws_le_to_cpu(pport_stats, sizeof(*pport_stats)); |
| 496 | drvs->rx_pause_frames = pport_stats->rx_pause_frames_lo; |
| 497 | drvs->rx_crc_errors = pport_stats->rx_crc_errors_lo; |
| 498 | drvs->rx_control_frames = pport_stats->rx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 499 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 500 | drvs->rx_frame_too_long = pport_stats->rx_frames_too_long_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 501 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; |
| 502 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; |
| 503 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; |
| 504 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; |
| 505 | drvs->rx_dropped_tcp_length = |
| 506 | pport_stats->rx_dropped_invalid_tcp_length; |
| 507 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; |
| 508 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; |
| 509 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; |
| 510 | drvs->rx_dropped_header_too_small = |
| 511 | pport_stats->rx_dropped_header_too_small; |
| 512 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 513 | drvs->rx_address_filtered = |
| 514 | pport_stats->rx_address_filtered + |
| 515 | pport_stats->rx_vlan_filtered; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 516 | drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 517 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 518 | drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; |
| 519 | drvs->tx_controlframes = pport_stats->tx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 520 | drvs->jabber_events = pport_stats->rx_jabbers; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 521 | drvs->forwarded_packets = pport_stats->num_forwards_lo; |
| 522 | drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 523 | drvs->rx_drops_too_many_frags = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 524 | pport_stats->rx_drops_too_many_frags_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 525 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 526 | |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 527 | static void accumulate_16bit_val(u32 *acc, u16 val) |
| 528 | { |
| 529 | #define lo(x) (x & 0xFFFF) |
| 530 | #define hi(x) (x & 0xFFFF0000) |
| 531 | bool wrapped = val < lo(*acc); |
| 532 | u32 newacc = hi(*acc) + val; |
| 533 | |
| 534 | if (wrapped) |
| 535 | newacc += 65536; |
| 536 | ACCESS_ONCE(*acc) = newacc; |
| 537 | } |
| 538 | |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 539 | static void populate_erx_stats(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 540 | struct be_rx_obj *rxo, u32 erx_stat) |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 541 | { |
| 542 | if (!BEx_chip(adapter)) |
| 543 | rx_stats(rxo)->rx_drops_no_frags = erx_stat; |
| 544 | else |
| 545 | /* below erx HW counter can actually wrap around after |
| 546 | * 65535. Driver accumulates a 32-bit value |
| 547 | */ |
| 548 | accumulate_16bit_val(&rx_stats(rxo)->rx_drops_no_frags, |
| 549 | (u16)erx_stat); |
| 550 | } |
| 551 | |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 552 | void be_parse_stats(struct be_adapter *adapter) |
| 553 | { |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 554 | struct be_erx_stats_v2 *erx = be_erx_stats_from_cmd(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 555 | struct be_rx_obj *rxo; |
| 556 | int i; |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 557 | u32 erx_stat; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 558 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 559 | if (lancer_chip(adapter)) { |
| 560 | populate_lancer_stats(adapter); |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 561 | } else { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 562 | if (BE2_chip(adapter)) |
| 563 | populate_be_v0_stats(adapter); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 564 | else if (BE3_chip(adapter)) |
| 565 | /* for BE3 */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 566 | populate_be_v1_stats(adapter); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 567 | else |
| 568 | populate_be_v2_stats(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 569 | |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 570 | /* 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] | 571 | for_all_rx_queues(adapter, rxo, i) { |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 572 | erx_stat = erx->rx_drops_no_fragments[rxo->q.id]; |
| 573 | populate_erx_stats(adapter, rxo, erx_stat); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 574 | } |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 575 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 576 | } |
| 577 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 578 | static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 579 | struct rtnl_link_stats64 *stats) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 580 | { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 581 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 582 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 583 | struct be_rx_obj *rxo; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 584 | struct be_tx_obj *txo; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 585 | u64 pkts, bytes; |
| 586 | unsigned int start; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 587 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 588 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 589 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 590 | const struct be_rx_stats *rx_stats = rx_stats(rxo); |
| 591 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 592 | start = u64_stats_fetch_begin_irq(&rx_stats->sync); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 593 | pkts = rx_stats(rxo)->rx_pkts; |
| 594 | bytes = rx_stats(rxo)->rx_bytes; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 595 | } while (u64_stats_fetch_retry_irq(&rx_stats->sync, start)); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 596 | stats->rx_packets += pkts; |
| 597 | stats->rx_bytes += bytes; |
| 598 | stats->multicast += rx_stats(rxo)->rx_mcast_pkts; |
| 599 | stats->rx_dropped += rx_stats(rxo)->rx_drops_no_skbs + |
| 600 | rx_stats(rxo)->rx_drops_no_frags; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 601 | } |
| 602 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 603 | for_all_tx_queues(adapter, txo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 604 | const struct be_tx_stats *tx_stats = tx_stats(txo); |
| 605 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 606 | start = u64_stats_fetch_begin_irq(&tx_stats->sync); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 607 | pkts = tx_stats(txo)->tx_pkts; |
| 608 | bytes = tx_stats(txo)->tx_bytes; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 609 | } while (u64_stats_fetch_retry_irq(&tx_stats->sync, start)); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 610 | stats->tx_packets += pkts; |
| 611 | stats->tx_bytes += bytes; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 612 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 613 | |
| 614 | /* bad pkts received */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 615 | stats->rx_errors = drvs->rx_crc_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 616 | drvs->rx_alignment_symbol_errors + |
| 617 | drvs->rx_in_range_errors + |
| 618 | drvs->rx_out_range_errors + |
| 619 | drvs->rx_frame_too_long + |
| 620 | drvs->rx_dropped_too_small + |
| 621 | drvs->rx_dropped_too_short + |
| 622 | drvs->rx_dropped_header_too_small + |
| 623 | drvs->rx_dropped_tcp_length + |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 624 | drvs->rx_dropped_runt; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 625 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 626 | /* detailed rx errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 627 | stats->rx_length_errors = drvs->rx_in_range_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 628 | drvs->rx_out_range_errors + |
| 629 | drvs->rx_frame_too_long; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 630 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 631 | stats->rx_crc_errors = drvs->rx_crc_errors; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 632 | |
| 633 | /* frame alignment errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 634 | stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 635 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 636 | /* receiver fifo overrun */ |
| 637 | /* 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] | 638 | stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 639 | drvs->rx_input_fifo_overflow_drop + |
| 640 | drvs->rx_drops_no_pbuf; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 641 | return stats; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 642 | } |
| 643 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 644 | void be_link_status_update(struct be_adapter *adapter, u8 link_status) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 645 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 646 | struct net_device *netdev = adapter->netdev; |
| 647 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 648 | if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { |
Sathya Perla | ea172a0 | 2011-08-02 19:57:42 +0000 | [diff] [blame] | 649 | netif_carrier_off(netdev); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 650 | adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 651 | } |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 652 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 653 | if (link_status) |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 654 | netif_carrier_on(netdev); |
| 655 | else |
| 656 | netif_carrier_off(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 657 | } |
| 658 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 659 | static void be_tx_stats_update(struct be_tx_obj *txo, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 660 | u32 wrb_cnt, u32 copied, u32 gso_segs, |
| 661 | bool stopped) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 662 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 663 | struct be_tx_stats *stats = tx_stats(txo); |
| 664 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 665 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 666 | stats->tx_reqs++; |
| 667 | stats->tx_wrbs += wrb_cnt; |
| 668 | stats->tx_bytes += copied; |
| 669 | stats->tx_pkts += (gso_segs ? gso_segs : 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 670 | if (stopped) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 671 | stats->tx_stops++; |
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 | |
| 675 | /* Determine number of WRB entries needed to xmit data in an skb */ |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 676 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 677 | bool *dummy) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 678 | { |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 679 | int cnt = (skb->len > skb->data_len); |
| 680 | |
| 681 | cnt += skb_shinfo(skb)->nr_frags; |
| 682 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 683 | /* to account for hdr wrb */ |
| 684 | cnt++; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 685 | if (lancer_chip(adapter) || !(cnt & 1)) { |
| 686 | *dummy = false; |
| 687 | } else { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 688 | /* add a dummy to make it an even num */ |
| 689 | cnt++; |
| 690 | *dummy = true; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 691 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 692 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
| 693 | return cnt; |
| 694 | } |
| 695 | |
| 696 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) |
| 697 | { |
| 698 | wrb->frag_pa_hi = upper_32_bits(addr); |
| 699 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; |
| 700 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; |
Somnath Kotur | 89b1f49 | 2012-06-24 19:40:55 +0000 | [diff] [blame] | 701 | wrb->rsvd0 = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 702 | } |
| 703 | |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 704 | static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 705 | struct sk_buff *skb) |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 706 | { |
| 707 | u8 vlan_prio; |
| 708 | u16 vlan_tag; |
| 709 | |
| 710 | vlan_tag = vlan_tx_tag_get(skb); |
| 711 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; |
| 712 | /* If vlan priority provided by OS is NOT in available bmap */ |
| 713 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) |
| 714 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | |
| 715 | adapter->recommended_prio; |
| 716 | |
| 717 | return vlan_tag; |
| 718 | } |
| 719 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 720 | /* Used only for IP tunnel packets */ |
| 721 | static u16 skb_inner_ip_proto(struct sk_buff *skb) |
| 722 | { |
| 723 | return (inner_ip_hdr(skb)->version == 4) ? |
| 724 | inner_ip_hdr(skb)->protocol : inner_ipv6_hdr(skb)->nexthdr; |
| 725 | } |
| 726 | |
| 727 | static u16 skb_ip_proto(struct sk_buff *skb) |
| 728 | { |
| 729 | return (ip_hdr(skb)->version == 4) ? |
| 730 | ip_hdr(skb)->protocol : ipv6_hdr(skb)->nexthdr; |
| 731 | } |
| 732 | |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 733 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 734 | struct sk_buff *skb, u32 wrb_cnt, u32 len, |
| 735 | bool skip_hw_vlan) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 736 | { |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 737 | u16 vlan_tag, proto; |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 738 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 739 | memset(hdr, 0, sizeof(*hdr)); |
| 740 | |
| 741 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); |
| 742 | |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 743 | if (skb_is_gso(skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 744 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
| 745 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, |
| 746 | hdr, skb_shinfo(skb)->gso_size); |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 747 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 748 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 749 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 750 | if (skb->encapsulation) { |
| 751 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, ipcs, hdr, 1); |
| 752 | proto = skb_inner_ip_proto(skb); |
| 753 | } else { |
| 754 | proto = skb_ip_proto(skb); |
| 755 | } |
| 756 | if (proto == IPPROTO_TCP) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 757 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 758 | else if (proto == IPPROTO_UDP) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 759 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); |
| 760 | } |
| 761 | |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 762 | if (vlan_tx_tag_present(skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 763 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 764 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 765 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 766 | } |
| 767 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 768 | /* To skip HW VLAN tagging: evt = 1, compl = 0 */ |
| 769 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, !skip_hw_vlan); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 770 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 771 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); |
| 772 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); |
| 773 | } |
| 774 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 775 | 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] | 776 | bool unmap_single) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 777 | { |
| 778 | dma_addr_t dma; |
| 779 | |
| 780 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); |
| 781 | |
| 782 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; |
FUJITA Tomonori | b681ee7 | 2010-04-04 21:40:18 +0000 | [diff] [blame] | 783 | if (wrb->frag_len) { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 784 | if (unmap_single) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 785 | dma_unmap_single(dev, dma, wrb->frag_len, |
| 786 | DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 787 | else |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 788 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 789 | } |
| 790 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 791 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 792 | static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 793 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb, |
| 794 | bool skip_hw_vlan) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 795 | { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 796 | dma_addr_t busaddr; |
| 797 | int i, copied = 0; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 798 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 799 | struct sk_buff *first_skb = skb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 800 | struct be_eth_wrb *wrb; |
| 801 | struct be_eth_hdr_wrb *hdr; |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 802 | bool map_single = false; |
| 803 | u16 map_head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 804 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 805 | hdr = queue_head_node(txq); |
| 806 | queue_head_inc(txq); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 807 | map_head = txq->head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 808 | |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 809 | if (skb->len > skb->data_len) { |
Eric Dumazet | e743d31 | 2010-04-14 15:59:40 -0700 | [diff] [blame] | 810 | int len = skb_headlen(skb); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 811 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
| 812 | if (dma_mapping_error(dev, busaddr)) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 813 | goto dma_err; |
| 814 | map_single = true; |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 815 | wrb = queue_head_node(txq); |
| 816 | wrb_fill(wrb, busaddr, len); |
| 817 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 818 | queue_head_inc(txq); |
| 819 | copied += len; |
| 820 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 821 | |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 822 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 823 | const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 824 | busaddr = skb_frag_dma_map(dev, frag, 0, |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 825 | skb_frag_size(frag), DMA_TO_DEVICE); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 826 | if (dma_mapping_error(dev, busaddr)) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 827 | goto dma_err; |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 828 | wrb = queue_head_node(txq); |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 829 | wrb_fill(wrb, busaddr, skb_frag_size(frag)); |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 830 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 831 | queue_head_inc(txq); |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 832 | copied += skb_frag_size(frag); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 833 | } |
| 834 | |
| 835 | if (dummy_wrb) { |
| 836 | wrb = queue_head_node(txq); |
| 837 | wrb_fill(wrb, 0, 0); |
| 838 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 839 | queue_head_inc(txq); |
| 840 | } |
| 841 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 842 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied, skip_hw_vlan); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 843 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
| 844 | |
| 845 | return copied; |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 846 | dma_err: |
| 847 | txq->head = map_head; |
| 848 | while (copied) { |
| 849 | wrb = queue_head_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 850 | unmap_tx_frag(dev, wrb, map_single); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 851 | map_single = false; |
| 852 | copied -= wrb->frag_len; |
| 853 | queue_head_inc(txq); |
| 854 | } |
| 855 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 856 | } |
| 857 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 858 | 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] | 859 | struct sk_buff *skb, |
| 860 | bool *skip_hw_vlan) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 861 | { |
| 862 | u16 vlan_tag = 0; |
| 863 | |
| 864 | skb = skb_share_check(skb, GFP_ATOMIC); |
| 865 | if (unlikely(!skb)) |
| 866 | return skb; |
| 867 | |
Sarveshwar Bandi | efee8e8 | 2013-05-13 20:28:20 +0000 | [diff] [blame] | 868 | if (vlan_tx_tag_present(skb)) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 869 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Sarveshwar Bandi | 52fe29e | 2013-07-16 12:44:02 +0530 | [diff] [blame] | 870 | |
| 871 | if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { |
| 872 | if (!vlan_tag) |
| 873 | vlan_tag = adapter->pvid; |
| 874 | /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to |
| 875 | * skip VLAN insertion |
| 876 | */ |
| 877 | if (skip_hw_vlan) |
| 878 | *skip_hw_vlan = true; |
| 879 | } |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 880 | |
| 881 | if (vlan_tag) { |
David S. Miller | 5871768 | 2013-04-30 03:50:54 -0400 | [diff] [blame] | 882 | skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 883 | if (unlikely(!skb)) |
| 884 | return skb; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 885 | skb->vlan_tci = 0; |
| 886 | } |
| 887 | |
| 888 | /* Insert the outer VLAN, if any */ |
| 889 | if (adapter->qnq_vid) { |
| 890 | vlan_tag = adapter->qnq_vid; |
David S. Miller | 5871768 | 2013-04-30 03:50:54 -0400 | [diff] [blame] | 891 | skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 892 | if (unlikely(!skb)) |
| 893 | return skb; |
| 894 | if (skip_hw_vlan) |
| 895 | *skip_hw_vlan = true; |
| 896 | } |
| 897 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 898 | return skb; |
| 899 | } |
| 900 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 901 | static bool be_ipv6_exthdr_check(struct sk_buff *skb) |
| 902 | { |
| 903 | struct ethhdr *eh = (struct ethhdr *)skb->data; |
| 904 | u16 offset = ETH_HLEN; |
| 905 | |
| 906 | if (eh->h_proto == htons(ETH_P_IPV6)) { |
| 907 | struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset); |
| 908 | |
| 909 | offset += sizeof(struct ipv6hdr); |
| 910 | if (ip6h->nexthdr != NEXTHDR_TCP && |
| 911 | ip6h->nexthdr != NEXTHDR_UDP) { |
| 912 | struct ipv6_opt_hdr *ehdr = |
| 913 | (struct ipv6_opt_hdr *) (skb->data + offset); |
| 914 | |
| 915 | /* offending pkt: 2nd byte following IPv6 hdr is 0xff */ |
| 916 | if (ehdr->hdrlen == 0xff) |
| 917 | return true; |
| 918 | } |
| 919 | } |
| 920 | return false; |
| 921 | } |
| 922 | |
| 923 | static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb) |
| 924 | { |
| 925 | return vlan_tx_tag_present(skb) || adapter->pvid || adapter->qnq_vid; |
| 926 | } |
| 927 | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 928 | 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] | 929 | { |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 930 | return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 931 | } |
| 932 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 933 | static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, |
| 934 | struct sk_buff *skb, |
| 935 | bool *skip_hw_vlan) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 936 | { |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 937 | struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 938 | unsigned int eth_hdr_len; |
| 939 | struct iphdr *ip; |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 940 | |
Ajit Khaparde | 1297f9d | 2013-04-24 11:52:28 +0000 | [diff] [blame] | 941 | /* For padded packets, BE HW modifies tot_len field in IP header |
| 942 | * incorrecly when VLAN tag is inserted by HW. |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 943 | * For padded packets, Lancer computes incorrect checksum. |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 944 | */ |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 945 | eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? |
| 946 | VLAN_ETH_HLEN : ETH_HLEN; |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 947 | if (skb->len <= 60 && |
| 948 | (lancer_chip(adapter) || vlan_tx_tag_present(skb)) && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 949 | is_ipv4_pkt(skb)) { |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 950 | ip = (struct iphdr *)ip_hdr(skb); |
| 951 | pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); |
| 952 | } |
| 953 | |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 954 | /* If vlan tag is already inlined in the packet, skip HW VLAN |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 955 | * tagging in pvid-tagging mode |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 956 | */ |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 957 | if (be_pvid_tagging_enabled(adapter) && |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 958 | veh->h_vlan_proto == htons(ETH_P_8021Q)) |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 959 | *skip_hw_vlan = true; |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 960 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 961 | /* HW has a bug wherein it will calculate CSUM for VLAN |
| 962 | * pkts even though it is disabled. |
| 963 | * Manually insert VLAN in pkt. |
| 964 | */ |
| 965 | if (skb->ip_summed != CHECKSUM_PARTIAL && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 966 | vlan_tx_tag_present(skb)) { |
| 967 | skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 968 | if (unlikely(!skb)) |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 969 | goto err; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 970 | } |
| 971 | |
| 972 | /* HW may lockup when VLAN HW tagging is requested on |
| 973 | * certain ipv6 packets. Drop such pkts if the HW workaround to |
| 974 | * skip HW tagging is not enabled by FW. |
| 975 | */ |
| 976 | if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 977 | (adapter->pvid || adapter->qnq_vid) && |
| 978 | !qnq_async_evt_rcvd(adapter))) |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 979 | goto tx_drop; |
| 980 | |
| 981 | /* Manual VLAN tag insertion to prevent: |
| 982 | * ASIC lockup when the ASIC inserts VLAN tag into |
| 983 | * certain ipv6 packets. Insert VLAN tags in driver, |
| 984 | * and set event, completion, vlan bits accordingly |
| 985 | * in the Tx WRB. |
| 986 | */ |
| 987 | if (be_ipv6_tx_stall_chk(adapter, skb) && |
| 988 | be_vlan_tag_tx_chk(adapter, skb)) { |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 989 | skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 990 | if (unlikely(!skb)) |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 991 | goto err; |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 992 | } |
| 993 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 994 | return skb; |
| 995 | tx_drop: |
| 996 | dev_kfree_skb_any(skb); |
Vasundhara Volam | c912895 | 2014-03-03 14:25:07 +0530 | [diff] [blame] | 997 | err: |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 998 | return NULL; |
| 999 | } |
| 1000 | |
Vasundhara Volam | ec495fa | 2014-03-03 14:25:38 +0530 | [diff] [blame] | 1001 | static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, |
| 1002 | struct sk_buff *skb, |
| 1003 | bool *skip_hw_vlan) |
| 1004 | { |
| 1005 | /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or |
| 1006 | * less may cause a transmit stall on that port. So the work-around is |
| 1007 | * to pad short packets (<= 32 bytes) to a 36-byte length. |
| 1008 | */ |
| 1009 | if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { |
| 1010 | if (skb_padto(skb, 36)) |
| 1011 | return NULL; |
| 1012 | skb->len = 36; |
| 1013 | } |
| 1014 | |
| 1015 | if (BEx_chip(adapter) || lancer_chip(adapter)) { |
| 1016 | skb = be_lancer_xmit_workarounds(adapter, skb, skip_hw_vlan); |
| 1017 | if (!skb) |
| 1018 | return NULL; |
| 1019 | } |
| 1020 | |
| 1021 | return skb; |
| 1022 | } |
| 1023 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1024 | static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) |
| 1025 | { |
| 1026 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1027 | struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)]; |
| 1028 | struct be_queue_info *txq = &txo->q; |
| 1029 | bool dummy_wrb, stopped = false; |
| 1030 | u32 wrb_cnt = 0, copied = 0; |
| 1031 | bool skip_hw_vlan = false; |
| 1032 | u32 start = txq->head; |
| 1033 | |
| 1034 | skb = be_xmit_workarounds(adapter, skb, &skip_hw_vlan); |
Sathya Perla | bc61752 | 2013-10-01 16:00:01 +0530 | [diff] [blame] | 1035 | if (!skb) { |
| 1036 | tx_stats(txo)->tx_drv_drops++; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1037 | return NETDEV_TX_OK; |
Sathya Perla | bc61752 | 2013-10-01 16:00:01 +0530 | [diff] [blame] | 1038 | } |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 1039 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1040 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1041 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 1042 | copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb, |
| 1043 | skip_hw_vlan); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1044 | if (copied) { |
Eric Dumazet | cd8f76c | 2012-06-07 22:59:59 +0000 | [diff] [blame] | 1045 | int gso_segs = skb_shinfo(skb)->gso_segs; |
| 1046 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1047 | /* record the sent skb in the sent_skb table */ |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1048 | BUG_ON(txo->sent_skb_list[start]); |
| 1049 | txo->sent_skb_list[start] = skb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1050 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1051 | /* Ensure txq has space for the next skb; Else stop the queue |
| 1052 | * *BEFORE* ringing the tx doorbell, so that we serialze the |
| 1053 | * tx compls of the current transmit which'll wake up the queue |
| 1054 | */ |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 1055 | atomic_add(wrb_cnt, &txq->used); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1056 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
| 1057 | txq->len) { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1058 | netif_stop_subqueue(netdev, skb_get_queue_mapping(skb)); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1059 | stopped = true; |
| 1060 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1061 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 1062 | be_txq_notify(adapter, txo, wrb_cnt); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1063 | |
Eric Dumazet | cd8f76c | 2012-06-07 22:59:59 +0000 | [diff] [blame] | 1064 | be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1065 | } else { |
| 1066 | txq->head = start; |
Sathya Perla | bc61752 | 2013-10-01 16:00:01 +0530 | [diff] [blame] | 1067 | tx_stats(txo)->tx_drv_drops++; |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 1068 | dev_kfree_skb_any(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1069 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1070 | return NETDEV_TX_OK; |
| 1071 | } |
| 1072 | |
| 1073 | static int be_change_mtu(struct net_device *netdev, int new_mtu) |
| 1074 | { |
| 1075 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1076 | if (new_mtu < BE_MIN_MTU || |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1077 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1078 | dev_info(&adapter->pdev->dev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1079 | "MTU must be between %d and %d bytes\n", |
| 1080 | BE_MIN_MTU, |
| 1081 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1082 | return -EINVAL; |
| 1083 | } |
| 1084 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1085 | netdev->mtu, new_mtu); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1086 | netdev->mtu = new_mtu; |
| 1087 | return 0; |
| 1088 | } |
| 1089 | |
| 1090 | /* |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1091 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
| 1092 | * If the user configures more, place BE in vlan promiscuous mode. |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1093 | */ |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1094 | static int be_vid_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1095 | { |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1096 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1097 | u16 num = 0, i = 0; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1098 | int status = 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1099 | |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1100 | /* No need to further configure vids if in promiscuous mode */ |
| 1101 | if (adapter->promiscuous) |
| 1102 | return 0; |
| 1103 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 1104 | if (adapter->vlans_added > be_max_vlans(adapter)) |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1105 | goto set_vlan_promisc; |
| 1106 | |
| 1107 | /* Construct VLAN Table to give to HW */ |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1108 | for_each_set_bit(i, adapter->vids, VLAN_N_VID) |
| 1109 | vids[num++] = cpu_to_le16(i); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1110 | |
Kalesh AP | 4d567d9 | 2014-05-09 13:29:17 +0530 | [diff] [blame] | 1111 | status = be_cmd_vlan_config(adapter, adapter->if_handle, vids, num); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1112 | if (status) { |
Ajit Khaparde | d9d604f | 2013-09-27 15:17:58 -0500 | [diff] [blame] | 1113 | /* Set to VLAN promisc mode as setting VLAN filter failed */ |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 1114 | if (addl_status(status) == |
| 1115 | MCC_ADDL_STATUS_INSUFFICIENT_RESOURCES) |
Ajit Khaparde | d9d604f | 2013-09-27 15:17:58 -0500 | [diff] [blame] | 1116 | goto set_vlan_promisc; |
| 1117 | dev_err(&adapter->pdev->dev, |
| 1118 | "Setting HW VLAN filtering failed.\n"); |
| 1119 | } else { |
| 1120 | if (adapter->flags & BE_FLAGS_VLAN_PROMISC) { |
| 1121 | /* hw VLAN filtering re-enabled. */ |
| 1122 | status = be_cmd_rx_filter(adapter, |
| 1123 | BE_FLAGS_VLAN_PROMISC, OFF); |
| 1124 | if (!status) { |
| 1125 | dev_info(&adapter->pdev->dev, |
| 1126 | "Disabling VLAN Promiscuous mode.\n"); |
| 1127 | adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; |
Ajit Khaparde | d9d604f | 2013-09-27 15:17:58 -0500 | [diff] [blame] | 1128 | } |
| 1129 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1130 | } |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1131 | |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 1132 | return status; |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1133 | |
| 1134 | set_vlan_promisc: |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1135 | if (adapter->flags & BE_FLAGS_VLAN_PROMISC) |
| 1136 | return 0; |
Ajit Khaparde | d9d604f | 2013-09-27 15:17:58 -0500 | [diff] [blame] | 1137 | |
| 1138 | status = be_cmd_rx_filter(adapter, BE_FLAGS_VLAN_PROMISC, ON); |
| 1139 | if (!status) { |
| 1140 | dev_info(&adapter->pdev->dev, "Enable VLAN Promiscuous mode\n"); |
Ajit Khaparde | d9d604f | 2013-09-27 15:17:58 -0500 | [diff] [blame] | 1141 | adapter->flags |= BE_FLAGS_VLAN_PROMISC; |
| 1142 | } else |
| 1143 | dev_err(&adapter->pdev->dev, |
| 1144 | "Failed to enable VLAN Promiscuous mode.\n"); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1145 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1146 | } |
| 1147 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1148 | 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] | 1149 | { |
| 1150 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1151 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1152 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1153 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1154 | if (lancer_chip(adapter) && vid == 0) |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1155 | return status; |
| 1156 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1157 | if (test_bit(vid, adapter->vids)) |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1158 | return status; |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1159 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1160 | set_bit(vid, adapter->vids); |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1161 | adapter->vlans_added++; |
Jiri Pirko | 8e58613 | 2011-12-08 19:52:37 -0500 | [diff] [blame] | 1162 | |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1163 | status = be_vid_config(adapter); |
| 1164 | if (status) { |
| 1165 | adapter->vlans_added--; |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1166 | clear_bit(vid, adapter->vids); |
Somnath Kotur | a6b74e0 | 2014-01-21 15:50:55 +0530 | [diff] [blame] | 1167 | } |
Vasundhara Volam | 48291c2 | 2014-03-11 18:53:08 +0530 | [diff] [blame] | 1168 | |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1169 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1170 | } |
| 1171 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1172 | 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] | 1173 | { |
| 1174 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1175 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1176 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1177 | if (lancer_chip(adapter) && vid == 0) |
Kalesh AP | 9d4dfe4 | 2014-06-30 13:01:33 +0530 | [diff] [blame] | 1178 | return 0; |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1179 | |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1180 | clear_bit(vid, adapter->vids); |
Kalesh AP | 9d4dfe4 | 2014-06-30 13:01:33 +0530 | [diff] [blame] | 1181 | adapter->vlans_added--; |
| 1182 | |
| 1183 | return be_vid_config(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1184 | } |
| 1185 | |
Somnath kotur | 7ad0945 | 2014-03-03 14:24:43 +0530 | [diff] [blame] | 1186 | static void be_clear_promisc(struct be_adapter *adapter) |
| 1187 | { |
| 1188 | adapter->promiscuous = false; |
Kalesh AP | a079488 | 2014-05-30 19:06:23 +0530 | [diff] [blame] | 1189 | adapter->flags &= ~(BE_FLAGS_VLAN_PROMISC | BE_FLAGS_MCAST_PROMISC); |
Somnath kotur | 7ad0945 | 2014-03-03 14:24:43 +0530 | [diff] [blame] | 1190 | |
| 1191 | be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); |
| 1192 | } |
| 1193 | |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 1194 | static void be_set_rx_mode(struct net_device *netdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1195 | { |
| 1196 | struct be_adapter *adapter = netdev_priv(netdev); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1197 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1198 | |
| 1199 | if (netdev->flags & IFF_PROMISC) { |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 1200 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1201 | adapter->promiscuous = true; |
| 1202 | goto done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1203 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1204 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1205 | /* BE was previously in promiscuous mode; disable it */ |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1206 | if (adapter->promiscuous) { |
Somnath kotur | 7ad0945 | 2014-03-03 14:24:43 +0530 | [diff] [blame] | 1207 | be_clear_promisc(adapter); |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1208 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1209 | be_vid_config(adapter); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1210 | } |
| 1211 | |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 1212 | /* Enable multicast promisc if num configured exceeds what we support */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1213 | if (netdev->flags & IFF_ALLMULTI || |
Kalesh AP | a079488 | 2014-05-30 19:06:23 +0530 | [diff] [blame] | 1214 | netdev_mc_count(netdev) > be_max_mc(adapter)) |
| 1215 | goto set_mcast_promisc; |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1216 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 1217 | if (netdev_uc_count(netdev) != adapter->uc_macs) { |
| 1218 | struct netdev_hw_addr *ha; |
| 1219 | int i = 1; /* First slot is claimed by the Primary MAC */ |
| 1220 | |
| 1221 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) { |
| 1222 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 1223 | adapter->pmac_id[i], 0); |
| 1224 | } |
| 1225 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 1226 | if (netdev_uc_count(netdev) > be_max_uc(adapter)) { |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 1227 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
| 1228 | adapter->promiscuous = true; |
| 1229 | goto done; |
| 1230 | } |
| 1231 | |
| 1232 | netdev_for_each_uc_addr(ha, adapter->netdev) { |
| 1233 | adapter->uc_macs++; /* First slot is for Primary MAC */ |
| 1234 | be_cmd_pmac_add(adapter, (u8 *)ha->addr, |
| 1235 | adapter->if_handle, |
| 1236 | &adapter->pmac_id[adapter->uc_macs], 0); |
| 1237 | } |
| 1238 | } |
| 1239 | |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1240 | status = be_cmd_rx_filter(adapter, IFF_MULTICAST, ON); |
Kalesh AP | a079488 | 2014-05-30 19:06:23 +0530 | [diff] [blame] | 1241 | if (!status) { |
| 1242 | if (adapter->flags & BE_FLAGS_MCAST_PROMISC) |
| 1243 | adapter->flags &= ~BE_FLAGS_MCAST_PROMISC; |
| 1244 | goto done; |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1245 | } |
Kalesh AP | a079488 | 2014-05-30 19:06:23 +0530 | [diff] [blame] | 1246 | |
| 1247 | set_mcast_promisc: |
| 1248 | if (adapter->flags & BE_FLAGS_MCAST_PROMISC) |
| 1249 | return; |
| 1250 | |
| 1251 | /* Set to MCAST promisc mode if setting MULTICAST address fails |
| 1252 | * or if num configured exceeds what we support |
| 1253 | */ |
| 1254 | status = be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); |
| 1255 | if (!status) |
| 1256 | adapter->flags |= BE_FLAGS_MCAST_PROMISC; |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1257 | done: |
| 1258 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1259 | } |
| 1260 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1261 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 1262 | { |
| 1263 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1264 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1265 | int status; |
| 1266 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1267 | if (!sriov_enabled(adapter)) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1268 | return -EPERM; |
| 1269 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1270 | if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1271 | return -EINVAL; |
| 1272 | |
Vasundhara Volam | 3c31aaf | 2014-08-01 17:47:31 +0530 | [diff] [blame] | 1273 | /* Proceed further only if user provided MAC is different |
| 1274 | * from active MAC |
| 1275 | */ |
| 1276 | if (ether_addr_equal(mac, vf_cfg->mac_addr)) |
| 1277 | return 0; |
| 1278 | |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 1279 | if (BEx_chip(adapter)) { |
| 1280 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, vf_cfg->pmac_id, |
| 1281 | vf + 1); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1282 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1283 | status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, |
| 1284 | &vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 1285 | } else { |
| 1286 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, |
| 1287 | vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1288 | } |
| 1289 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1290 | if (status) { |
| 1291 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed: %#x", |
| 1292 | mac, vf, status); |
| 1293 | return be_cmd_status(status); |
| 1294 | } |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1295 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1296 | ether_addr_copy(vf_cfg->mac_addr, mac); |
| 1297 | |
| 1298 | return 0; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1299 | } |
| 1300 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1301 | static int be_get_vf_config(struct net_device *netdev, int vf, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1302 | struct ifla_vf_info *vi) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1303 | { |
| 1304 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1305 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1306 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1307 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1308 | return -EPERM; |
| 1309 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1310 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1311 | return -EINVAL; |
| 1312 | |
| 1313 | vi->vf = vf; |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1314 | vi->max_tx_rate = vf_cfg->tx_rate; |
| 1315 | vi->min_tx_rate = 0; |
Ajit Khaparde | a60b3a1 | 2013-09-27 15:18:56 -0500 | [diff] [blame] | 1316 | vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK; |
| 1317 | vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1318 | memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1319 | vi->linkstate = adapter->vf_cfg[vf].plink_tracking; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1320 | |
| 1321 | return 0; |
| 1322 | } |
| 1323 | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1324 | 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] | 1325 | { |
| 1326 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1327 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1328 | int status = 0; |
| 1329 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1330 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1331 | return -EPERM; |
| 1332 | |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1333 | if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1334 | return -EINVAL; |
| 1335 | |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1336 | if (vlan || qos) { |
| 1337 | vlan |= qos << VLAN_PRIO_SHIFT; |
Somnath Kotur | c502224 | 2014-03-03 14:24:20 +0530 | [diff] [blame] | 1338 | if (vf_cfg->vlan_tag != vlan) |
Ajit Khaparde | b9fc0e53 | 2013-09-27 15:18:46 -0500 | [diff] [blame] | 1339 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, |
| 1340 | vf_cfg->if_handle, 0); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1341 | } else { |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 1342 | /* Reset Transparent Vlan Tagging. */ |
Somnath Kotur | c502224 | 2014-03-03 14:24:20 +0530 | [diff] [blame] | 1343 | status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID, |
| 1344 | vf + 1, vf_cfg->if_handle, 0); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1345 | } |
| 1346 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1347 | if (status) { |
| 1348 | dev_err(&adapter->pdev->dev, |
| 1349 | "VLAN %d config on VF %d failed : %#x\n", vlan, |
| 1350 | vf, status); |
| 1351 | return be_cmd_status(status); |
| 1352 | } |
| 1353 | |
| 1354 | vf_cfg->vlan_tag = vlan; |
| 1355 | |
| 1356 | return 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1357 | } |
| 1358 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1359 | static int be_set_vf_tx_rate(struct net_device *netdev, int vf, |
| 1360 | int min_tx_rate, int max_tx_rate) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1361 | { |
| 1362 | struct be_adapter *adapter = netdev_priv(netdev); |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1363 | struct device *dev = &adapter->pdev->dev; |
| 1364 | int percent_rate, status = 0; |
| 1365 | u16 link_speed = 0; |
| 1366 | u8 link_status; |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1367 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1368 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1369 | return -EPERM; |
| 1370 | |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1371 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1372 | return -EINVAL; |
| 1373 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1374 | if (min_tx_rate) |
| 1375 | return -EINVAL; |
| 1376 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1377 | if (!max_tx_rate) |
| 1378 | goto config_qos; |
| 1379 | |
| 1380 | status = be_cmd_link_status_query(adapter, &link_speed, |
| 1381 | &link_status, 0); |
| 1382 | if (status) |
| 1383 | goto err; |
| 1384 | |
| 1385 | if (!link_status) { |
| 1386 | 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] | 1387 | status = -ENETDOWN; |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1388 | goto err; |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1389 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1390 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1391 | if (max_tx_rate < 100 || max_tx_rate > link_speed) { |
| 1392 | dev_err(dev, "TX-rate must be between 100 and %d Mbps\n", |
| 1393 | link_speed); |
| 1394 | status = -EINVAL; |
| 1395 | goto err; |
| 1396 | } |
| 1397 | |
| 1398 | /* On Skyhawk the QOS setting must be done only as a % value */ |
| 1399 | percent_rate = link_speed / 100; |
| 1400 | if (skyhawk_chip(adapter) && (max_tx_rate % percent_rate)) { |
| 1401 | dev_err(dev, "TX-rate must be a multiple of %d Mbps\n", |
| 1402 | percent_rate); |
| 1403 | status = -EINVAL; |
| 1404 | goto err; |
| 1405 | } |
| 1406 | |
| 1407 | config_qos: |
| 1408 | 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] | 1409 | if (status) |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 1410 | goto err; |
| 1411 | |
| 1412 | adapter->vf_cfg[vf].tx_rate = max_tx_rate; |
| 1413 | return 0; |
| 1414 | |
| 1415 | err: |
| 1416 | dev_err(dev, "TX-rate setting of %dMbps on VF%d failed\n", |
| 1417 | max_tx_rate, vf); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1418 | return be_cmd_status(status); |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1419 | } |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1420 | static int be_set_vf_link_state(struct net_device *netdev, int vf, |
| 1421 | int link_state) |
| 1422 | { |
| 1423 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1424 | int status; |
| 1425 | |
| 1426 | if (!sriov_enabled(adapter)) |
| 1427 | return -EPERM; |
| 1428 | |
| 1429 | if (vf >= adapter->num_vfs) |
| 1430 | return -EINVAL; |
| 1431 | |
| 1432 | status = be_cmd_set_logical_link_config(adapter, link_state, vf+1); |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1433 | if (status) { |
| 1434 | dev_err(&adapter->pdev->dev, |
| 1435 | "Link state change on VF %d failed: %#x\n", vf, status); |
| 1436 | return be_cmd_status(status); |
| 1437 | } |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1438 | |
Kalesh AP | abccf23 | 2014-07-17 16:20:24 +0530 | [diff] [blame] | 1439 | adapter->vf_cfg[vf].plink_tracking = link_state; |
| 1440 | |
| 1441 | return 0; |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 1442 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1443 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1444 | static void be_aic_update(struct be_aic_obj *aic, u64 rx_pkts, u64 tx_pkts, |
| 1445 | ulong now) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1446 | { |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1447 | aic->rx_pkts_prev = rx_pkts; |
| 1448 | aic->tx_reqs_prev = tx_pkts; |
| 1449 | aic->jiffies = now; |
| 1450 | } |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1451 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1452 | static void be_eqd_update(struct be_adapter *adapter) |
| 1453 | { |
| 1454 | struct be_set_eqd set_eqd[MAX_EVT_QS]; |
| 1455 | int eqd, i, num = 0, start; |
| 1456 | struct be_aic_obj *aic; |
| 1457 | struct be_eq_obj *eqo; |
| 1458 | struct be_rx_obj *rxo; |
| 1459 | struct be_tx_obj *txo; |
| 1460 | u64 rx_pkts, tx_pkts; |
| 1461 | ulong now; |
| 1462 | u32 pps, delta; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1463 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1464 | for_all_evt_queues(adapter, eqo, i) { |
| 1465 | aic = &adapter->aic_obj[eqo->idx]; |
| 1466 | if (!aic->enable) { |
| 1467 | if (aic->jiffies) |
| 1468 | aic->jiffies = 0; |
| 1469 | eqd = aic->et_eqd; |
| 1470 | goto modify_eqd; |
| 1471 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1472 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1473 | rxo = &adapter->rx_obj[eqo->idx]; |
| 1474 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1475 | start = u64_stats_fetch_begin_irq(&rxo->stats.sync); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1476 | rx_pkts = rxo->stats.rx_pkts; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1477 | } while (u64_stats_fetch_retry_irq(&rxo->stats.sync, start)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1478 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1479 | txo = &adapter->tx_obj[eqo->idx]; |
| 1480 | do { |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1481 | start = u64_stats_fetch_begin_irq(&txo->stats.sync); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1482 | tx_pkts = txo->stats.tx_reqs; |
Eric W. Biederman | 57a7744 | 2014-03-13 21:26:42 -0700 | [diff] [blame] | 1483 | } while (u64_stats_fetch_retry_irq(&txo->stats.sync, start)); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1484 | |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1485 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1486 | /* Skip, if wrapped around or first calculation */ |
| 1487 | now = jiffies; |
| 1488 | if (!aic->jiffies || time_before(now, aic->jiffies) || |
| 1489 | rx_pkts < aic->rx_pkts_prev || |
| 1490 | tx_pkts < aic->tx_reqs_prev) { |
| 1491 | be_aic_update(aic, rx_pkts, tx_pkts, now); |
| 1492 | continue; |
| 1493 | } |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1494 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1495 | delta = jiffies_to_msecs(now - aic->jiffies); |
| 1496 | pps = (((u32)(rx_pkts - aic->rx_pkts_prev) * 1000) / delta) + |
| 1497 | (((u32)(tx_pkts - aic->tx_reqs_prev) * 1000) / delta); |
| 1498 | eqd = (pps / 15000) << 2; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1499 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1500 | if (eqd < 8) |
| 1501 | eqd = 0; |
| 1502 | eqd = min_t(u32, eqd, aic->max_eqd); |
| 1503 | eqd = max_t(u32, eqd, aic->min_eqd); |
| 1504 | |
| 1505 | be_aic_update(aic, rx_pkts, tx_pkts, now); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1506 | modify_eqd: |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1507 | if (eqd != aic->prev_eqd) { |
| 1508 | set_eqd[num].delay_multiplier = (eqd * 65)/100; |
| 1509 | set_eqd[num].eq_id = eqo->q.id; |
| 1510 | aic->prev_eqd = eqd; |
| 1511 | num++; |
| 1512 | } |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1513 | } |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 1514 | |
| 1515 | if (num) |
| 1516 | be_cmd_modify_eqd(adapter, set_eqd, num); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1517 | } |
| 1518 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1519 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1520 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1521 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1522 | struct be_rx_stats *stats = rx_stats(rxo); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1523 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1524 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1525 | stats->rx_compl++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1526 | stats->rx_bytes += rxcp->pkt_size; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1527 | stats->rx_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1528 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1529 | stats->rx_mcast_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1530 | if (rxcp->err) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1531 | stats->rx_compl_err++; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1532 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1533 | } |
| 1534 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1535 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1536 | { |
Padmanabh Ratnakar | 19fad86 | 2011-03-07 03:08:16 +0000 | [diff] [blame] | 1537 | /* L4 checksum is not reliable for non TCP/UDP packets. |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1538 | * Also ignore ipcksm for ipv6 pkts |
| 1539 | */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1540 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1541 | (rxcp->ip_csum || rxcp->ipv6) && !rxcp->err; |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1542 | } |
| 1543 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1544 | 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] | 1545 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1546 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1547 | struct be_rx_page_info *rx_page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1548 | struct be_queue_info *rxq = &rxo->q; |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1549 | u16 frag_idx = rxq->tail; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1550 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1551 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1552 | BUG_ON(!rx_page_info->page); |
| 1553 | |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1554 | if (rx_page_info->last_frag) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1555 | dma_unmap_page(&adapter->pdev->dev, |
| 1556 | dma_unmap_addr(rx_page_info, bus), |
| 1557 | adapter->big_page_size, DMA_FROM_DEVICE); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1558 | rx_page_info->last_frag = false; |
| 1559 | } else { |
| 1560 | dma_sync_single_for_cpu(&adapter->pdev->dev, |
| 1561 | dma_unmap_addr(rx_page_info, bus), |
| 1562 | rx_frag_size, DMA_FROM_DEVICE); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1563 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1564 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1565 | queue_tail_inc(rxq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1566 | atomic_dec(&rxq->used); |
| 1567 | return rx_page_info; |
| 1568 | } |
| 1569 | |
| 1570 | /* Throwaway the data in the Rx completion */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1571 | static void be_rx_compl_discard(struct be_rx_obj *rxo, |
| 1572 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1573 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1574 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1575 | u16 i, num_rcvd = rxcp->num_rcvd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1576 | |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1577 | for (i = 0; i < num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1578 | page_info = get_rx_page_info(rxo); |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1579 | put_page(page_info->page); |
| 1580 | memset(page_info, 0, sizeof(*page_info)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1581 | } |
| 1582 | } |
| 1583 | |
| 1584 | /* |
| 1585 | * skb_fill_rx_data forms a complete skb for an ether frame |
| 1586 | * indicated by rxcp. |
| 1587 | */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1588 | static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, |
| 1589 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1590 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1591 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1592 | u16 i, j; |
| 1593 | u16 hdr_len, curr_frag_len, remaining; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1594 | u8 *start; |
| 1595 | |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1596 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1597 | start = page_address(page_info->page) + page_info->page_offset; |
| 1598 | prefetch(start); |
| 1599 | |
| 1600 | /* Copy data in the first descriptor of this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1601 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1602 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1603 | skb->len = curr_frag_len; |
| 1604 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1605 | memcpy(skb->data, start, curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1606 | /* Complete packet has now been moved to data */ |
| 1607 | put_page(page_info->page); |
| 1608 | skb->data_len = 0; |
| 1609 | skb->tail += curr_frag_len; |
| 1610 | } else { |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1611 | hdr_len = ETH_HLEN; |
| 1612 | memcpy(skb->data, start, hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1613 | skb_shinfo(skb)->nr_frags = 1; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1614 | skb_frag_set_page(skb, 0, page_info->page); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1615 | skb_shinfo(skb)->frags[0].page_offset = |
| 1616 | page_info->page_offset + hdr_len; |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1617 | skb_frag_size_set(&skb_shinfo(skb)->frags[0], |
| 1618 | curr_frag_len - hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1619 | skb->data_len = curr_frag_len - hdr_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1620 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1621 | skb->tail += hdr_len; |
| 1622 | } |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1623 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1624 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1625 | if (rxcp->pkt_size <= rx_frag_size) { |
| 1626 | BUG_ON(rxcp->num_rcvd != 1); |
| 1627 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1628 | } |
| 1629 | |
| 1630 | /* More frags present for this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1631 | remaining = rxcp->pkt_size - curr_frag_len; |
| 1632 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1633 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1634 | curr_frag_len = min(remaining, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1635 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1636 | /* Coalesce all frags from the same physical page in one slot */ |
| 1637 | if (page_info->page_offset == 0) { |
| 1638 | /* Fresh page */ |
| 1639 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1640 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1641 | skb_shinfo(skb)->frags[j].page_offset = |
| 1642 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1643 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1644 | skb_shinfo(skb)->nr_frags++; |
| 1645 | } else { |
| 1646 | put_page(page_info->page); |
| 1647 | } |
| 1648 | |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1649 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1650 | skb->len += curr_frag_len; |
| 1651 | skb->data_len += curr_frag_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1652 | skb->truesize += rx_frag_size; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1653 | remaining -= curr_frag_len; |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1654 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1655 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1656 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1657 | } |
| 1658 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1659 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1660 | 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] | 1661 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1662 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1663 | struct be_adapter *adapter = rxo->adapter; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1664 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1665 | struct sk_buff *skb; |
Sathya Perla | 8942042 | 2010-02-17 01:35:26 +0000 | [diff] [blame] | 1666 | |
Eric Dumazet | bb349bb | 2012-01-25 03:56:30 +0000 | [diff] [blame] | 1667 | skb = netdev_alloc_skb_ip_align(netdev, BE_RX_SKB_ALLOC_SIZE); |
Sathya Perla | a058a63 | 2010-02-17 01:34:22 +0000 | [diff] [blame] | 1668 | if (unlikely(!skb)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1669 | rx_stats(rxo)->rx_drops_no_skbs++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1670 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1671 | return; |
| 1672 | } |
| 1673 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1674 | skb_fill_rx_data(rxo, skb, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1675 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1676 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1677 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | c6ce2f4 | 2010-10-25 01:11:58 +0000 | [diff] [blame] | 1678 | else |
| 1679 | skb_checksum_none_assert(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1680 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1681 | skb->protocol = eth_type_trans(skb, netdev); |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1682 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1683 | if (netdev->features & NETIF_F_RXHASH) |
Tom Herbert | d2464c8 | 2013-12-17 23:23:51 -0800 | [diff] [blame] | 1684 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1685 | |
| 1686 | skb->encapsulation = rxcp->tunneled; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1687 | skb_mark_napi_id(skb, napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1688 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1689 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1690 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1691 | |
| 1692 | netif_receive_skb(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1693 | } |
| 1694 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1695 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 1696 | static void be_rx_compl_process_gro(struct be_rx_obj *rxo, |
| 1697 | struct napi_struct *napi, |
| 1698 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1699 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1700 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1701 | struct be_rx_page_info *page_info; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1702 | struct sk_buff *skb = NULL; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1703 | u16 remaining, curr_frag_len; |
| 1704 | u16 i, j; |
Ajit Khaparde | 3968fa1 | 2011-02-20 11:41:53 +0000 | [diff] [blame] | 1705 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1706 | skb = napi_get_frags(napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1707 | if (!skb) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1708 | be_rx_compl_discard(rxo, rxcp); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1709 | return; |
| 1710 | } |
| 1711 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1712 | remaining = rxcp->pkt_size; |
| 1713 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 1714 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1715 | |
| 1716 | curr_frag_len = min(remaining, rx_frag_size); |
| 1717 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1718 | /* Coalesce all frags from the same physical page in one slot */ |
| 1719 | if (i == 0 || page_info->page_offset == 0) { |
| 1720 | /* First frag or Fresh page */ |
| 1721 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1722 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1723 | skb_shinfo(skb)->frags[j].page_offset = |
| 1724 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1725 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1726 | } else { |
| 1727 | put_page(page_info->page); |
| 1728 | } |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1729 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1730 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1731 | remaining -= curr_frag_len; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1732 | memset(page_info, 0, sizeof(*page_info)); |
| 1733 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1734 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1735 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1736 | skb_shinfo(skb)->nr_frags = j + 1; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1737 | skb->len = rxcp->pkt_size; |
| 1738 | skb->data_len = rxcp->pkt_size; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1739 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1740 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1741 | if (adapter->netdev->features & NETIF_F_RXHASH) |
Tom Herbert | d2464c8 | 2013-12-17 23:23:51 -0800 | [diff] [blame] | 1742 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1743 | |
| 1744 | skb->encapsulation = rxcp->tunneled; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1745 | skb_mark_napi_id(skb, napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1746 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1747 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1748 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1749 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1750 | napi_gro_frags(napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1751 | } |
| 1752 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1753 | static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, |
| 1754 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1755 | { |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1756 | rxcp->pkt_size = |
| 1757 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); |
| 1758 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); |
| 1759 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); |
| 1760 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, tcpf, compl); |
Padmanabh Ratnakar | 9ecb42f | 2011-03-15 14:57:09 -0700 | [diff] [blame] | 1761 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, udpf, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1762 | rxcp->ip_csum = |
| 1763 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); |
| 1764 | rxcp->l4_csum = |
| 1765 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); |
| 1766 | rxcp->ipv6 = |
| 1767 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1768 | rxcp->num_rcvd = |
| 1769 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); |
| 1770 | rxcp->pkt_type = |
| 1771 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1772 | rxcp->rss_hash = |
Sarveshwar Bandi | c297977 | 2012-07-25 21:29:50 +0000 | [diff] [blame] | 1773 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1774 | if (rxcp->vlanf) { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1775 | rxcp->qnq = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, qnq, |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1776 | compl); |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1777 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, |
| 1778 | vlan_tag, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1779 | } |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 1780 | rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, port, compl); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 1781 | rxcp->tunneled = |
| 1782 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, tunneled, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1783 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1784 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1785 | static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, |
| 1786 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1787 | { |
| 1788 | rxcp->pkt_size = |
| 1789 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); |
| 1790 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); |
| 1791 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); |
| 1792 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, tcpf, compl); |
Padmanabh Ratnakar | 9ecb42f | 2011-03-15 14:57:09 -0700 | [diff] [blame] | 1793 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, udpf, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1794 | rxcp->ip_csum = |
| 1795 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); |
| 1796 | rxcp->l4_csum = |
| 1797 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); |
| 1798 | rxcp->ipv6 = |
| 1799 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1800 | rxcp->num_rcvd = |
| 1801 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); |
| 1802 | rxcp->pkt_type = |
| 1803 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1804 | rxcp->rss_hash = |
Sarveshwar Bandi | c297977 | 2012-07-25 21:29:50 +0000 | [diff] [blame] | 1805 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1806 | if (rxcp->vlanf) { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1807 | rxcp->qnq = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, qnq, |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1808 | compl); |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1809 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, |
| 1810 | vlan_tag, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1811 | } |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 1812 | rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, compl); |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 1813 | rxcp->ip_frag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, |
| 1814 | ip_frag, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1815 | } |
| 1816 | |
| 1817 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) |
| 1818 | { |
| 1819 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); |
| 1820 | struct be_rx_compl_info *rxcp = &rxo->rxcp; |
| 1821 | struct be_adapter *adapter = rxo->adapter; |
| 1822 | |
| 1823 | /* For checking the valid bit it is Ok to use either definition as the |
| 1824 | * valid bit is at the same position in both v0 and v1 Rx compl */ |
| 1825 | 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] | 1826 | return NULL; |
| 1827 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1828 | rmb(); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1829 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
| 1830 | |
| 1831 | if (adapter->be3_native) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1832 | be_parse_rx_compl_v1(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1833 | else |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1834 | be_parse_rx_compl_v0(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1835 | |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 1836 | if (rxcp->ip_frag) |
| 1837 | rxcp->l4_csum = 0; |
| 1838 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1839 | if (rxcp->vlanf) { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 1840 | /* In QNQ modes, if qnq bit is not set, then the packet was |
| 1841 | * tagged only with the transparent outer vlan-tag and must |
| 1842 | * not be treated as a vlan packet by host |
| 1843 | */ |
| 1844 | if (be_is_qnq_mode(adapter) && !rxcp->qnq) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1845 | rxcp->vlanf = 0; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1846 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1847 | if (!lancer_chip(adapter)) |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1848 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1849 | |
Somnath Kotur | 939cf30 | 2011-08-18 21:51:49 -0700 | [diff] [blame] | 1850 | if (adapter->pvid == (rxcp->vlan_tag & VLAN_VID_MASK) && |
Ravikumar Nelavelli | f6cbd36 | 2014-05-09 13:29:16 +0530 | [diff] [blame] | 1851 | !test_bit(rxcp->vlan_tag, adapter->vids)) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1852 | rxcp->vlanf = 0; |
| 1853 | } |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1854 | |
| 1855 | /* As the compl has been parsed, reset it; we wont touch it again */ |
| 1856 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1857 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1858 | queue_tail_inc(&rxo->cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1859 | return rxcp; |
| 1860 | } |
| 1861 | |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1862 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1863 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1864 | u32 order = get_order(size); |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1865 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1866 | if (order > 0) |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1867 | gfp |= __GFP_COMP; |
| 1868 | return alloc_pages(gfp, order); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1869 | } |
| 1870 | |
| 1871 | /* |
| 1872 | * Allocate a page, split it to fragments of size rx_frag_size and post as |
| 1873 | * receive buffers to BE |
| 1874 | */ |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1875 | static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1876 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1877 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1878 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1879 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1880 | struct page *pagep = NULL; |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 1881 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1882 | struct be_eth_rx_d *rxd; |
| 1883 | u64 page_dmaaddr = 0, frag_dmaaddr; |
| 1884 | u32 posted, page_offset = 0; |
| 1885 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1886 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1887 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
| 1888 | if (!pagep) { |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1889 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1890 | if (unlikely(!pagep)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1891 | rx_stats(rxo)->rx_post_fail++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1892 | break; |
| 1893 | } |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 1894 | page_dmaaddr = dma_map_page(dev, pagep, 0, |
| 1895 | adapter->big_page_size, |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1896 | DMA_FROM_DEVICE); |
Ivan Vecera | ba42fad | 2014-01-15 11:11:34 +0100 | [diff] [blame] | 1897 | if (dma_mapping_error(dev, page_dmaaddr)) { |
| 1898 | put_page(pagep); |
| 1899 | pagep = NULL; |
| 1900 | rx_stats(rxo)->rx_post_fail++; |
| 1901 | break; |
| 1902 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1903 | page_offset = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1904 | } else { |
| 1905 | get_page(pagep); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1906 | page_offset += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1907 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1908 | page_info->page_offset = page_offset; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1909 | page_info->page = pagep; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1910 | |
| 1911 | rxd = queue_head_node(rxq); |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1912 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1913 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); |
| 1914 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1915 | |
| 1916 | /* Any space left in the current big page for another frag? */ |
| 1917 | if ((page_offset + rx_frag_size + rx_frag_size) > |
| 1918 | adapter->big_page_size) { |
| 1919 | pagep = NULL; |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1920 | page_info->last_frag = true; |
| 1921 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
| 1922 | } else { |
| 1923 | dma_unmap_addr_set(page_info, bus, frag_dmaaddr); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1924 | } |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1925 | |
| 1926 | prev_page_info = page_info; |
| 1927 | queue_head_inc(rxq); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1928 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1929 | } |
Sathya Perla | e50287b | 2014-03-04 12:14:38 +0530 | [diff] [blame] | 1930 | |
| 1931 | /* Mark the last frag of a page when we break out of the above loop |
| 1932 | * with no more slots available in the RXQ |
| 1933 | */ |
| 1934 | if (pagep) { |
| 1935 | prev_page_info->last_frag = true; |
| 1936 | dma_unmap_addr_set(prev_page_info, bus, page_dmaaddr); |
| 1937 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1938 | |
| 1939 | if (posted) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1940 | atomic_add(posted, &rxq->used); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 1941 | if (rxo->rx_post_starved) |
| 1942 | rxo->rx_post_starved = false; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1943 | be_rxq_notify(adapter, rxq->id, posted); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1944 | } else if (atomic_read(&rxq->used) == 0) { |
| 1945 | /* Let be_worker replenish when memory is available */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1946 | rxo->rx_post_starved = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1947 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1948 | } |
| 1949 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1950 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1951 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1952 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
| 1953 | |
| 1954 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) |
| 1955 | return NULL; |
| 1956 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1957 | rmb(); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1958 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
| 1959 | |
| 1960 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; |
| 1961 | |
| 1962 | queue_tail_inc(tx_cq); |
| 1963 | return txcp; |
| 1964 | } |
| 1965 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1966 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 1967 | struct be_tx_obj *txo, u16 last_index) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1968 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1969 | struct be_queue_info *txq = &txo->q; |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1970 | struct be_eth_wrb *wrb; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1971 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1972 | struct sk_buff *sent_skb; |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1973 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
| 1974 | bool unmap_skb_hdr = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1975 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1976 | sent_skb = sent_skbs[txq->tail]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1977 | BUG_ON(!sent_skb); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1978 | sent_skbs[txq->tail] = NULL; |
| 1979 | |
| 1980 | /* skip header wrb */ |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1981 | queue_tail_inc(txq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1982 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1983 | do { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1984 | cur_index = txq->tail; |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1985 | wrb = queue_tail_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1986 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
| 1987 | (unmap_skb_hdr && skb_headlen(sent_skb))); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1988 | unmap_skb_hdr = false; |
| 1989 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1990 | num_wrbs++; |
| 1991 | queue_tail_inc(txq); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1992 | } while (cur_index != last_index); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1993 | |
Eric W. Biederman | d8ec2c0 | 2014-03-11 14:19:50 -0700 | [diff] [blame] | 1994 | dev_kfree_skb_any(sent_skb); |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 1995 | return num_wrbs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1996 | } |
| 1997 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1998 | /* Return the number of events in the event queue */ |
| 1999 | static inline int events_get(struct be_eq_obj *eqo) |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2000 | { |
| 2001 | struct be_eq_entry *eqe; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2002 | int num = 0; |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2003 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2004 | do { |
| 2005 | eqe = queue_tail_node(&eqo->q); |
| 2006 | if (eqe->evt == 0) |
| 2007 | break; |
| 2008 | |
| 2009 | rmb(); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2010 | eqe->evt = 0; |
| 2011 | num++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2012 | queue_tail_inc(&eqo->q); |
| 2013 | } while (true); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 2014 | |
| 2015 | return num; |
| 2016 | } |
| 2017 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2018 | /* Leaves the EQ is disarmed state */ |
| 2019 | static void be_eq_clean(struct be_eq_obj *eqo) |
| 2020 | { |
| 2021 | int num = events_get(eqo); |
| 2022 | |
| 2023 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, num); |
| 2024 | } |
| 2025 | |
| 2026 | static void be_rx_cq_clean(struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2027 | { |
| 2028 | struct be_rx_page_info *page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2029 | struct be_queue_info *rxq = &rxo->q; |
| 2030 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2031 | struct be_rx_compl_info *rxcp; |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2032 | struct be_adapter *adapter = rxo->adapter; |
| 2033 | int flush_wait = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2034 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2035 | /* Consume pending rx completions. |
| 2036 | * Wait for the flush completion (identified by zero num_rcvd) |
| 2037 | * to arrive. Notify CQ even when there are no more CQ entries |
| 2038 | * for HW to flush partially coalesced CQ entries. |
| 2039 | * In Lancer, there is no need to wait for flush compl. |
| 2040 | */ |
| 2041 | for (;;) { |
| 2042 | rxcp = be_rx_compl_get(rxo); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 2043 | if (!rxcp) { |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2044 | if (lancer_chip(adapter)) |
| 2045 | break; |
| 2046 | |
| 2047 | if (flush_wait++ > 10 || be_hw_error(adapter)) { |
| 2048 | dev_warn(&adapter->pdev->dev, |
| 2049 | "did not receive flush compl\n"); |
| 2050 | break; |
| 2051 | } |
| 2052 | be_cq_notify(adapter, rx_cq->id, true, 0); |
| 2053 | mdelay(1); |
| 2054 | } else { |
| 2055 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 3f5dffe | 2013-05-08 02:05:49 +0000 | [diff] [blame] | 2056 | be_cq_notify(adapter, rx_cq->id, false, 1); |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2057 | if (rxcp->num_rcvd == 0) |
| 2058 | break; |
| 2059 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2060 | } |
| 2061 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2062 | /* After cleanup, leave the CQ in unarmed state */ |
| 2063 | be_cq_notify(adapter, rx_cq->id, false, 0); |
| 2064 | |
| 2065 | /* Then free posted rx buffers that were not used */ |
Suresh Reddy | 0b0ef1d | 2014-01-15 13:23:38 +0530 | [diff] [blame] | 2066 | while (atomic_read(&rxq->used) > 0) { |
| 2067 | page_info = get_rx_page_info(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2068 | put_page(page_info->page); |
| 2069 | memset(page_info, 0, sizeof(*page_info)); |
| 2070 | } |
| 2071 | BUG_ON(atomic_read(&rxq->used)); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2072 | rxq->tail = rxq->head = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2073 | } |
| 2074 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2075 | static void be_tx_compl_clean(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2076 | { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2077 | struct be_tx_obj *txo; |
| 2078 | struct be_queue_info *txq; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2079 | struct be_eth_tx_compl *txcp; |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 2080 | u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2081 | struct sk_buff *sent_skb; |
| 2082 | bool dummy_wrb; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2083 | int i, pending_txqs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2084 | |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2085 | /* Stop polling for compls when HW has been silent for 10ms */ |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2086 | do { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2087 | pending_txqs = adapter->num_tx_qs; |
| 2088 | |
| 2089 | for_all_tx_queues(adapter, txo, i) { |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2090 | cmpl = 0; |
| 2091 | num_wrbs = 0; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2092 | txq = &txo->q; |
| 2093 | while ((txcp = be_tx_compl_get(&txo->cq))) { |
| 2094 | end_idx = |
| 2095 | AMAP_GET_BITS(struct amap_eth_tx_compl, |
| 2096 | wrb_index, txcp); |
| 2097 | num_wrbs += be_tx_compl_process(adapter, txo, |
| 2098 | end_idx); |
| 2099 | cmpl++; |
| 2100 | } |
| 2101 | if (cmpl) { |
| 2102 | be_cq_notify(adapter, txo->cq.id, false, cmpl); |
| 2103 | atomic_sub(num_wrbs, &txq->used); |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2104 | timeo = 0; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2105 | } |
| 2106 | if (atomic_read(&txq->used) == 0) |
| 2107 | pending_txqs--; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2108 | } |
| 2109 | |
Vasundhara Volam | 1a3d071 | 2014-04-14 16:12:40 +0530 | [diff] [blame] | 2110 | if (pending_txqs == 0 || ++timeo > 10 || be_hw_error(adapter)) |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 2111 | break; |
| 2112 | |
| 2113 | mdelay(1); |
| 2114 | } while (true); |
| 2115 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2116 | for_all_tx_queues(adapter, txo, i) { |
| 2117 | txq = &txo->q; |
| 2118 | if (atomic_read(&txq->used)) |
| 2119 | dev_err(&adapter->pdev->dev, "%d pending tx-compls\n", |
| 2120 | atomic_read(&txq->used)); |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2121 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 2122 | /* free posted tx for which compls will never arrive */ |
| 2123 | while (atomic_read(&txq->used)) { |
| 2124 | sent_skb = txo->sent_skb_list[txq->tail]; |
| 2125 | end_idx = txq->tail; |
| 2126 | num_wrbs = wrb_cnt_for_skb(adapter, sent_skb, |
| 2127 | &dummy_wrb); |
| 2128 | index_adv(&end_idx, num_wrbs - 1, txq->len); |
| 2129 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); |
| 2130 | atomic_sub(num_wrbs, &txq->used); |
| 2131 | } |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 2132 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2133 | } |
| 2134 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2135 | static void be_evt_queues_destroy(struct be_adapter *adapter) |
| 2136 | { |
| 2137 | struct be_eq_obj *eqo; |
| 2138 | int i; |
| 2139 | |
| 2140 | for_all_evt_queues(adapter, eqo, i) { |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 2141 | if (eqo->q.created) { |
| 2142 | be_eq_clean(eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2143 | be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2144 | napi_hash_del(&eqo->napi); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2145 | netif_napi_del(&eqo->napi); |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 2146 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2147 | be_queue_free(adapter, &eqo->q); |
| 2148 | } |
| 2149 | } |
| 2150 | |
| 2151 | static int be_evt_queues_create(struct be_adapter *adapter) |
| 2152 | { |
| 2153 | struct be_queue_info *eq; |
| 2154 | struct be_eq_obj *eqo; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2155 | struct be_aic_obj *aic; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2156 | int i, rc; |
| 2157 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2158 | adapter->num_evt_qs = min_t(u16, num_irqs(adapter), |
| 2159 | adapter->cfg_num_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2160 | |
| 2161 | for_all_evt_queues(adapter, eqo, i) { |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2162 | netif_napi_add(adapter->netdev, &eqo->napi, be_poll, |
| 2163 | BE_NAPI_WEIGHT); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2164 | napi_hash_add(&eqo->napi); |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2165 | aic = &adapter->aic_obj[i]; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2166 | eqo->adapter = adapter; |
| 2167 | eqo->tx_budget = BE_TX_BUDGET; |
| 2168 | eqo->idx = i; |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 2169 | aic->max_eqd = BE_MAX_EQD; |
| 2170 | aic->enable = true; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2171 | |
| 2172 | eq = &eqo->q; |
| 2173 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2174 | sizeof(struct be_eq_entry)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2175 | if (rc) |
| 2176 | return rc; |
| 2177 | |
Sathya Perla | f2f781a | 2013-08-27 16:57:30 +0530 | [diff] [blame] | 2178 | rc = be_cmd_eq_create(adapter, eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2179 | if (rc) |
| 2180 | return rc; |
| 2181 | } |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 2182 | return 0; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2183 | } |
| 2184 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2185 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
| 2186 | { |
| 2187 | struct be_queue_info *q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2188 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2189 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2190 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2191 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2192 | be_queue_free(adapter, q); |
| 2193 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2194 | q = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2195 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2196 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2197 | be_queue_free(adapter, q); |
| 2198 | } |
| 2199 | |
| 2200 | /* Must be called only after TX qs are created as MCC shares TX EQ */ |
| 2201 | static int be_mcc_queues_create(struct be_adapter *adapter) |
| 2202 | { |
| 2203 | struct be_queue_info *q, *cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2204 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2205 | cq = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2206 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2207 | sizeof(struct be_mcc_compl))) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2208 | goto err; |
| 2209 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2210 | /* Use the default EQ for MCC completions */ |
| 2211 | 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] | 2212 | goto mcc_cq_free; |
| 2213 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2214 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2215 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
| 2216 | goto mcc_cq_destroy; |
| 2217 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2218 | if (be_cmd_mccq_create(adapter, q, cq)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2219 | goto mcc_q_free; |
| 2220 | |
| 2221 | return 0; |
| 2222 | |
| 2223 | mcc_q_free: |
| 2224 | be_queue_free(adapter, q); |
| 2225 | mcc_cq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2226 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2227 | mcc_cq_free: |
| 2228 | be_queue_free(adapter, cq); |
| 2229 | err: |
| 2230 | return -1; |
| 2231 | } |
| 2232 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2233 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
| 2234 | { |
| 2235 | struct be_queue_info *q; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2236 | struct be_tx_obj *txo; |
| 2237 | u8 i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2238 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2239 | for_all_tx_queues(adapter, txo, i) { |
| 2240 | q = &txo->q; |
| 2241 | if (q->created) |
| 2242 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
| 2243 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2244 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2245 | q = &txo->cq; |
| 2246 | if (q->created) |
| 2247 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2248 | be_queue_free(adapter, q); |
| 2249 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2250 | } |
| 2251 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 2252 | static int be_tx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2253 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2254 | struct be_queue_info *cq, *eq; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2255 | struct be_tx_obj *txo; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2256 | int status, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2257 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2258 | 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] | 2259 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2260 | for_all_tx_queues(adapter, txo, i) { |
| 2261 | cq = &txo->cq; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2262 | status = be_queue_alloc(adapter, cq, TX_CQ_LEN, |
| 2263 | sizeof(struct be_eth_tx_compl)); |
| 2264 | if (status) |
| 2265 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2266 | |
John Stultz | 827da44 | 2013-10-07 15:51:58 -0700 | [diff] [blame] | 2267 | u64_stats_init(&txo->stats.sync); |
| 2268 | u64_stats_init(&txo->stats.sync_compl); |
| 2269 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2270 | /* If num_evt_qs is less than num_tx_qs, then more than |
| 2271 | * one txq share an eq |
| 2272 | */ |
| 2273 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 2274 | status = be_cmd_cq_create(adapter, cq, eq, false, 3); |
| 2275 | if (status) |
| 2276 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2277 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2278 | status = be_queue_alloc(adapter, &txo->q, TX_Q_LEN, |
| 2279 | sizeof(struct be_eth_wrb)); |
| 2280 | if (status) |
| 2281 | return status; |
| 2282 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 2283 | status = be_cmd_txq_create(adapter, txo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2284 | if (status) |
| 2285 | return status; |
| 2286 | } |
| 2287 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2288 | dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n", |
| 2289 | adapter->num_tx_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2290 | return 0; |
| 2291 | } |
| 2292 | |
| 2293 | static void be_rx_cqs_destroy(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2294 | { |
| 2295 | struct be_queue_info *q; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2296 | struct be_rx_obj *rxo; |
| 2297 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2298 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2299 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2300 | q = &rxo->cq; |
| 2301 | if (q->created) |
| 2302 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2303 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2304 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2305 | } |
| 2306 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2307 | static int be_rx_cqs_create(struct be_adapter *adapter) |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2308 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2309 | struct be_queue_info *eq, *cq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2310 | struct be_rx_obj *rxo; |
| 2311 | int rc, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2312 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2313 | /* We can create as many RSS rings as there are EQs. */ |
| 2314 | adapter->num_rx_qs = adapter->num_evt_qs; |
| 2315 | |
| 2316 | /* We'll use RSS only if atleast 2 RSS rings are supported. |
| 2317 | * 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] | 2318 | */ |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2319 | if (adapter->num_rx_qs > 1) |
| 2320 | adapter->num_rx_qs++; |
| 2321 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2322 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2323 | for_all_rx_queues(adapter, rxo, i) { |
| 2324 | rxo->adapter = adapter; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2325 | cq = &rxo->cq; |
| 2326 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2327 | sizeof(struct be_eth_rx_compl)); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2328 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2329 | return rc; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2330 | |
John Stultz | 827da44 | 2013-10-07 15:51:58 -0700 | [diff] [blame] | 2331 | u64_stats_init(&rxo->stats.sync); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2332 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 2333 | rc = be_cmd_cq_create(adapter, cq, eq, false, 3); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2334 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2335 | return rc; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2336 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2337 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2338 | dev_info(&adapter->pdev->dev, |
| 2339 | "created %d RSS queue(s) and 1 default RX queue\n", |
| 2340 | adapter->num_rx_qs - 1); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2341 | return 0; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2342 | } |
| 2343 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2344 | static irqreturn_t be_intx(int irq, void *dev) |
| 2345 | { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2346 | struct be_eq_obj *eqo = dev; |
| 2347 | struct be_adapter *adapter = eqo->adapter; |
| 2348 | int num_evts = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2349 | |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2350 | /* IRQ is not expected when NAPI is scheduled as the EQ |
| 2351 | * will not be armed. |
| 2352 | * But, this can happen on Lancer INTx where it takes |
| 2353 | * a while to de-assert INTx or in BE2 where occasionaly |
| 2354 | * an interrupt may be raised even when EQ is unarmed. |
| 2355 | * If NAPI is already scheduled, then counting & notifying |
| 2356 | * events will orphan them. |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2357 | */ |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2358 | if (napi_schedule_prep(&eqo->napi)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2359 | num_evts = events_get(eqo); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2360 | __napi_schedule(&eqo->napi); |
| 2361 | if (num_evts) |
| 2362 | eqo->spurious_intr = 0; |
| 2363 | } |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2364 | be_eq_notify(adapter, eqo->q.id, false, true, num_evts); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2365 | |
| 2366 | /* Return IRQ_HANDLED only for the the first spurious intr |
| 2367 | * after a valid intr to stop the kernel from branding |
| 2368 | * this irq as a bad one! |
| 2369 | */ |
| 2370 | if (num_evts || eqo->spurious_intr++ == 0) |
| 2371 | return IRQ_HANDLED; |
| 2372 | else |
| 2373 | return IRQ_NONE; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2374 | } |
| 2375 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2376 | static irqreturn_t be_msix(int irq, void *dev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2377 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2378 | struct be_eq_obj *eqo = dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2379 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2380 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 2381 | napi_schedule(&eqo->napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2382 | return IRQ_HANDLED; |
| 2383 | } |
| 2384 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2385 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2386 | { |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 2387 | return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2388 | } |
| 2389 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2390 | 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] | 2391 | int budget, int polling) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2392 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2393 | struct be_adapter *adapter = rxo->adapter; |
| 2394 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2395 | struct be_rx_compl_info *rxcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2396 | u32 work_done; |
| 2397 | |
| 2398 | for (work_done = 0; work_done < budget; work_done++) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2399 | rxcp = be_rx_compl_get(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2400 | if (!rxcp) |
| 2401 | break; |
| 2402 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2403 | /* Is it a flush compl that has no data */ |
| 2404 | if (unlikely(rxcp->num_rcvd == 0)) |
| 2405 | goto loop_continue; |
| 2406 | |
| 2407 | /* Discard compl with partial DMA Lancer B0 */ |
| 2408 | if (unlikely(!rxcp->pkt_size)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2409 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2410 | goto loop_continue; |
Sathya Perla | 6464281 | 2010-12-01 01:04:17 +0000 | [diff] [blame] | 2411 | } |
Padmanabh Ratnakar | 009dd87 | 2011-05-10 05:12:17 +0000 | [diff] [blame] | 2412 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2413 | /* On BE drop pkts that arrive due to imperfect filtering in |
| 2414 | * promiscuous mode on some skews |
| 2415 | */ |
| 2416 | if (unlikely(rxcp->port != adapter->port_num && |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2417 | !lancer_chip(adapter))) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2418 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2419 | goto loop_continue; |
| 2420 | } |
| 2421 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2422 | /* Don't do gro when we're busy_polling */ |
| 2423 | if (do_gro(rxcp) && polling != BUSY_POLLING) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2424 | be_rx_compl_process_gro(rxo, napi, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2425 | else |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2426 | be_rx_compl_process(rxo, napi, rxcp); |
| 2427 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2428 | loop_continue: |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2429 | be_rx_stats_update(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2430 | } |
| 2431 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2432 | if (work_done) { |
| 2433 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
Padmanabh Ratnakar | 9372cac | 2011-11-03 01:49:55 +0000 | [diff] [blame] | 2434 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2435 | /* When an rx-obj gets into post_starved state, just |
| 2436 | * let be_worker do the posting. |
| 2437 | */ |
| 2438 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM && |
| 2439 | !rxo->rx_post_starved) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2440 | be_post_rx_frags(rxo, GFP_ATOMIC); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2441 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2442 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2443 | return work_done; |
| 2444 | } |
| 2445 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2446 | static bool be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 2447 | int budget, int idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2448 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2449 | struct be_eth_tx_compl *txcp; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2450 | int num_wrbs = 0, work_done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2451 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2452 | for (work_done = 0; work_done < budget; work_done++) { |
| 2453 | txcp = be_tx_compl_get(&txo->cq); |
| 2454 | if (!txcp) |
| 2455 | break; |
| 2456 | num_wrbs += be_tx_compl_process(adapter, txo, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2457 | AMAP_GET_BITS(struct |
| 2458 | amap_eth_tx_compl, |
| 2459 | wrb_index, txcp)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2460 | } |
| 2461 | |
| 2462 | if (work_done) { |
| 2463 | be_cq_notify(adapter, txo->cq.id, true, work_done); |
| 2464 | atomic_sub(num_wrbs, &txo->q.used); |
| 2465 | |
| 2466 | /* As Tx wrbs have been freed up, wake up netdev queue |
| 2467 | * if it was stopped due to lack of tx wrbs. */ |
| 2468 | if (__netif_subqueue_stopped(adapter->netdev, idx) && |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2469 | atomic_read(&txo->q.used) < txo->q.len / 2) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2470 | netif_wake_subqueue(adapter->netdev, idx); |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2471 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2472 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2473 | u64_stats_update_begin(&tx_stats(txo)->sync_compl); |
| 2474 | tx_stats(txo)->tx_compl += work_done; |
| 2475 | u64_stats_update_end(&tx_stats(txo)->sync_compl); |
| 2476 | } |
| 2477 | return (work_done < budget); /* Done */ |
| 2478 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2479 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2480 | int be_poll(struct napi_struct *napi, int budget) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2481 | { |
| 2482 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 2483 | struct be_adapter *adapter = eqo->adapter; |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2484 | int max_work = 0, work, i, num_evts; |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2485 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2486 | bool tx_done; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2487 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2488 | num_evts = events_get(eqo); |
| 2489 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2490 | /* Process all TXQs serviced by this EQ */ |
| 2491 | for (i = eqo->idx; i < adapter->num_tx_qs; i += adapter->num_evt_qs) { |
| 2492 | tx_done = be_process_tx(adapter, &adapter->tx_obj[i], |
| 2493 | eqo->tx_budget, i); |
| 2494 | if (!tx_done) |
| 2495 | max_work = budget; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2496 | } |
| 2497 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2498 | if (be_lock_napi(eqo)) { |
| 2499 | /* This loop will iterate twice for EQ0 in which |
| 2500 | * completions of the last RXQ (default one) are also processed |
| 2501 | * For other EQs the loop iterates only once |
| 2502 | */ |
| 2503 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 2504 | work = be_process_rx(rxo, napi, budget, NAPI_POLLING); |
| 2505 | max_work = max(work, max_work); |
| 2506 | } |
| 2507 | be_unlock_napi(eqo); |
| 2508 | } else { |
| 2509 | max_work = budget; |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 2510 | } |
| 2511 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2512 | if (is_mcc_eqo(eqo)) |
| 2513 | be_process_mcc(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2514 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2515 | if (max_work < budget) { |
| 2516 | napi_complete(napi); |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2517 | be_eq_notify(adapter, eqo->q.id, true, false, num_evts); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2518 | } else { |
| 2519 | /* As we'll continue in polling mode, count and clear events */ |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2520 | be_eq_notify(adapter, eqo->q.id, false, false, num_evts); |
Padmanabh Ratnakar | 93c8670 | 2011-12-19 01:53:35 +0000 | [diff] [blame] | 2521 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2522 | return max_work; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2523 | } |
| 2524 | |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2525 | #ifdef CONFIG_NET_RX_BUSY_POLL |
| 2526 | static int be_busy_poll(struct napi_struct *napi) |
| 2527 | { |
| 2528 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 2529 | struct be_adapter *adapter = eqo->adapter; |
| 2530 | struct be_rx_obj *rxo; |
| 2531 | int i, work = 0; |
| 2532 | |
| 2533 | if (!be_lock_busy_poll(eqo)) |
| 2534 | return LL_FLUSH_BUSY; |
| 2535 | |
| 2536 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { |
| 2537 | work = be_process_rx(rxo, napi, 4, BUSY_POLLING); |
| 2538 | if (work) |
| 2539 | break; |
| 2540 | } |
| 2541 | |
| 2542 | be_unlock_busy_poll(eqo); |
| 2543 | return work; |
| 2544 | } |
| 2545 | #endif |
| 2546 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2547 | void be_detect_error(struct be_adapter *adapter) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2548 | { |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2549 | u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; |
| 2550 | u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2551 | u32 i; |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2552 | bool error_detected = false; |
| 2553 | struct device *dev = &adapter->pdev->dev; |
| 2554 | struct net_device *netdev = adapter->netdev; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2555 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2556 | if (be_hw_error(adapter)) |
Sathya Perla | 72f0248 | 2011-11-10 19:17:58 +0000 | [diff] [blame] | 2557 | return; |
| 2558 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2559 | if (lancer_chip(adapter)) { |
| 2560 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); |
| 2561 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
| 2562 | sliport_err1 = ioread32(adapter->db + |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2563 | SLIPORT_ERROR1_OFFSET); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2564 | sliport_err2 = ioread32(adapter->db + |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2565 | SLIPORT_ERROR2_OFFSET); |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2566 | adapter->hw_error = true; |
| 2567 | /* Do not log error messages if its a FW reset */ |
| 2568 | if (sliport_err1 == SLIPORT_ERROR_FW_RESET1 && |
| 2569 | sliport_err2 == SLIPORT_ERROR_FW_RESET2) { |
| 2570 | dev_info(dev, "Firmware update in progress\n"); |
| 2571 | } else { |
| 2572 | error_detected = true; |
| 2573 | dev_err(dev, "Error detected in the card\n"); |
| 2574 | dev_err(dev, "ERR: sliport status 0x%x\n", |
| 2575 | sliport_status); |
| 2576 | dev_err(dev, "ERR: sliport error1 0x%x\n", |
| 2577 | sliport_err1); |
| 2578 | dev_err(dev, "ERR: sliport error2 0x%x\n", |
| 2579 | sliport_err2); |
| 2580 | } |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2581 | } |
| 2582 | } else { |
| 2583 | pci_read_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2584 | PCICFG_UE_STATUS_LOW, &ue_lo); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2585 | pci_read_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2586 | PCICFG_UE_STATUS_HIGH, &ue_hi); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2587 | pci_read_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2588 | PCICFG_UE_STATUS_LOW_MASK, &ue_lo_mask); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2589 | pci_read_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2590 | PCICFG_UE_STATUS_HI_MASK, &ue_hi_mask); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2591 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2592 | ue_lo = (ue_lo & ~ue_lo_mask); |
| 2593 | ue_hi = (ue_hi & ~ue_hi_mask); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2594 | |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2595 | /* On certain platforms BE hardware can indicate spurious UEs. |
| 2596 | * Allow HW to stop working completely in case of a real UE. |
| 2597 | * Hence not setting the hw_error for UE detection. |
| 2598 | */ |
| 2599 | |
| 2600 | if (ue_lo || ue_hi) { |
| 2601 | error_detected = true; |
| 2602 | dev_err(dev, |
| 2603 | "Unrecoverable Error detected in the adapter"); |
| 2604 | dev_err(dev, "Please reboot server to recover"); |
| 2605 | if (skyhawk_chip(adapter)) |
| 2606 | adapter->hw_error = true; |
| 2607 | for (i = 0; ue_lo; ue_lo >>= 1, i++) { |
| 2608 | if (ue_lo & 1) |
| 2609 | dev_err(dev, "UE: %s bit set\n", |
| 2610 | ue_status_low_desc[i]); |
| 2611 | } |
| 2612 | for (i = 0; ue_hi; ue_hi >>= 1, i++) { |
| 2613 | if (ue_hi & 1) |
| 2614 | dev_err(dev, "UE: %s bit set\n", |
| 2615 | ue_status_hi_desc[i]); |
| 2616 | } |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 2617 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2618 | } |
Somnath Kotur | eb0eecc | 2014-02-12 16:07:54 +0530 | [diff] [blame] | 2619 | if (error_detected) |
| 2620 | netif_carrier_off(netdev); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2621 | } |
| 2622 | |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2623 | static void be_msix_disable(struct be_adapter *adapter) |
| 2624 | { |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2625 | if (msix_enabled(adapter)) { |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2626 | pci_disable_msix(adapter->pdev); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2627 | adapter->num_msix_vec = 0; |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 2628 | adapter->num_msix_roce_vec = 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2629 | } |
| 2630 | } |
| 2631 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2632 | static int be_msix_enable(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2633 | { |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 2634 | int i, num_vec; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2635 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2636 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2637 | /* If RoCE is supported, program the max number of NIC vectors that |
| 2638 | * may be configured via set-channels, along with vectors needed for |
| 2639 | * RoCe. Else, just program the number we'll use initially. |
| 2640 | */ |
| 2641 | if (be_roce_supported(adapter)) |
| 2642 | num_vec = min_t(int, 2 * be_max_eqs(adapter), |
| 2643 | 2 * num_online_cpus()); |
| 2644 | else |
| 2645 | num_vec = adapter->cfg_num_qs; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2646 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2647 | for (i = 0; i < num_vec; i++) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2648 | adapter->msix_entries[i].entry = i; |
| 2649 | |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 2650 | num_vec = pci_enable_msix_range(adapter->pdev, adapter->msix_entries, |
| 2651 | MIN_MSIX_VECTORS, num_vec); |
| 2652 | if (num_vec < 0) |
| 2653 | goto fail; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2654 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 2655 | if (be_roce_supported(adapter) && num_vec > MIN_MSIX_VECTORS) { |
| 2656 | adapter->num_msix_roce_vec = num_vec / 2; |
| 2657 | dev_info(dev, "enabled %d MSI-x vector(s) for RoCE\n", |
| 2658 | adapter->num_msix_roce_vec); |
| 2659 | } |
| 2660 | |
| 2661 | adapter->num_msix_vec = num_vec - adapter->num_msix_roce_vec; |
| 2662 | |
| 2663 | dev_info(dev, "enabled %d MSI-x vector(s) for NIC\n", |
| 2664 | adapter->num_msix_vec); |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2665 | return 0; |
Alexander Gordeev | 7dc4c06 | 2014-02-18 11:11:40 +0100 | [diff] [blame] | 2666 | |
| 2667 | fail: |
| 2668 | dev_warn(dev, "MSIx enable failed\n"); |
| 2669 | |
| 2670 | /* INTx is not supported in VFs, so fail probe if enable_msix fails */ |
| 2671 | if (!be_physfn(adapter)) |
| 2672 | return num_vec; |
| 2673 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2674 | } |
| 2675 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2676 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2677 | struct be_eq_obj *eqo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2678 | { |
Sathya Perla | f2f781a | 2013-08-27 16:57:30 +0530 | [diff] [blame] | 2679 | return adapter->msix_entries[eqo->msix_idx].vector; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2680 | } |
| 2681 | |
| 2682 | static int be_msix_register(struct be_adapter *adapter) |
| 2683 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2684 | struct net_device *netdev = adapter->netdev; |
| 2685 | struct be_eq_obj *eqo; |
| 2686 | int status, i, vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2687 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2688 | for_all_evt_queues(adapter, eqo, i) { |
| 2689 | sprintf(eqo->desc, "%s-q%d", netdev->name, i); |
| 2690 | vec = be_msix_vec_get(adapter, eqo); |
| 2691 | status = request_irq(vec, be_msix, 0, eqo->desc, eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2692 | if (status) |
| 2693 | goto err_msix; |
| 2694 | } |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2695 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2696 | return 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2697 | err_msix: |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2698 | for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) |
| 2699 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
| 2700 | dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2701 | status); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2702 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2703 | return status; |
| 2704 | } |
| 2705 | |
| 2706 | static int be_irq_register(struct be_adapter *adapter) |
| 2707 | { |
| 2708 | struct net_device *netdev = adapter->netdev; |
| 2709 | int status; |
| 2710 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2711 | if (msix_enabled(adapter)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2712 | status = be_msix_register(adapter); |
| 2713 | if (status == 0) |
| 2714 | goto done; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2715 | /* INTx is not supported for VF */ |
| 2716 | if (!be_physfn(adapter)) |
| 2717 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2718 | } |
| 2719 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2720 | /* INTx: only the first EQ is used */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2721 | netdev->irq = adapter->pdev->irq; |
| 2722 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2723 | &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2724 | if (status) { |
| 2725 | dev_err(&adapter->pdev->dev, |
| 2726 | "INTx request IRQ failed - err %d\n", status); |
| 2727 | return status; |
| 2728 | } |
| 2729 | done: |
| 2730 | adapter->isr_registered = true; |
| 2731 | return 0; |
| 2732 | } |
| 2733 | |
| 2734 | static void be_irq_unregister(struct be_adapter *adapter) |
| 2735 | { |
| 2736 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2737 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2738 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2739 | |
| 2740 | if (!adapter->isr_registered) |
| 2741 | return; |
| 2742 | |
| 2743 | /* INTx */ |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2744 | if (!msix_enabled(adapter)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2745 | free_irq(netdev->irq, &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2746 | goto done; |
| 2747 | } |
| 2748 | |
| 2749 | /* MSIx */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2750 | for_all_evt_queues(adapter, eqo, i) |
| 2751 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2752 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2753 | done: |
| 2754 | adapter->isr_registered = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2755 | } |
| 2756 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2757 | static void be_rx_qs_destroy(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2758 | { |
| 2759 | struct be_queue_info *q; |
| 2760 | struct be_rx_obj *rxo; |
| 2761 | int i; |
| 2762 | |
| 2763 | for_all_rx_queues(adapter, rxo, i) { |
| 2764 | q = &rxo->q; |
| 2765 | if (q->created) { |
| 2766 | be_cmd_rxq_destroy(adapter, q); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2767 | be_rx_cq_clean(rxo); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2768 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2769 | be_queue_free(adapter, q); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2770 | } |
| 2771 | } |
| 2772 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2773 | static int be_close(struct net_device *netdev) |
| 2774 | { |
| 2775 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2776 | struct be_eq_obj *eqo; |
| 2777 | int i; |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2778 | |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 2779 | /* This protection is needed as be_close() may be called even when the |
| 2780 | * adapter is in cleared state (after eeh perm failure) |
| 2781 | */ |
| 2782 | if (!(adapter->flags & BE_FLAGS_SETUP_DONE)) |
| 2783 | return 0; |
| 2784 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2785 | be_roce_dev_close(adapter); |
| 2786 | |
Ivan Vecera | dff345c5 | 2013-11-27 08:59:32 +0100 | [diff] [blame] | 2787 | if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { |
| 2788 | for_all_evt_queues(adapter, eqo, i) { |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 2789 | napi_disable(&eqo->napi); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2790 | be_disable_busy_poll(eqo); |
| 2791 | } |
David S. Miller | 71237b6 | 2013-11-28 18:53:36 -0500 | [diff] [blame] | 2792 | adapter->flags &= ~BE_FLAGS_NAPI_ENABLED; |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 2793 | } |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 2794 | |
| 2795 | be_async_mcc_disable(adapter); |
| 2796 | |
| 2797 | /* Wait for all pending tx completions to arrive so that |
| 2798 | * all tx skbs are freed. |
| 2799 | */ |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 2800 | netif_tx_disable(netdev); |
Sathya Perla | 6e1f997 | 2013-08-22 12:23:41 +0530 | [diff] [blame] | 2801 | be_tx_compl_clean(adapter); |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 2802 | |
| 2803 | be_rx_qs_destroy(adapter); |
| 2804 | |
Ajit Khaparde | d11a347 | 2013-11-18 10:44:37 -0600 | [diff] [blame] | 2805 | for (i = 1; i < (adapter->uc_macs + 1); i++) |
| 2806 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 2807 | adapter->pmac_id[i], 0); |
| 2808 | adapter->uc_macs = 0; |
| 2809 | |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 2810 | for_all_evt_queues(adapter, eqo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2811 | if (msix_enabled(adapter)) |
| 2812 | synchronize_irq(be_msix_vec_get(adapter, eqo)); |
| 2813 | else |
| 2814 | synchronize_irq(netdev->irq); |
| 2815 | be_eq_clean(eqo); |
Padmanabh Ratnakar | 63fcb27 | 2011-03-07 03:09:17 +0000 | [diff] [blame] | 2816 | } |
| 2817 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2818 | be_irq_unregister(adapter); |
| 2819 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2820 | return 0; |
| 2821 | } |
| 2822 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2823 | static int be_rx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2824 | { |
| 2825 | struct be_rx_obj *rxo; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 2826 | int rc, i, j; |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2827 | u8 rss_hkey[RSS_HASH_KEY_LEN]; |
| 2828 | struct rss_info *rss = &adapter->rss_info; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2829 | |
| 2830 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2831 | rc = be_queue_alloc(adapter, &rxo->q, RX_Q_LEN, |
| 2832 | sizeof(struct be_eth_rx_d)); |
| 2833 | if (rc) |
| 2834 | return rc; |
| 2835 | } |
| 2836 | |
| 2837 | /* The FW would like the default RXQ to be created first */ |
| 2838 | rxo = default_rxo(adapter); |
| 2839 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, rx_frag_size, |
| 2840 | adapter->if_handle, false, &rxo->rss_id); |
| 2841 | if (rc) |
| 2842 | return rc; |
| 2843 | |
| 2844 | for_all_rss_queues(adapter, rxo, i) { |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2845 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2846 | rx_frag_size, adapter->if_handle, |
| 2847 | true, &rxo->rss_id); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2848 | if (rc) |
| 2849 | return rc; |
| 2850 | } |
| 2851 | |
| 2852 | if (be_multi_rxq(adapter)) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2853 | for (j = 0; j < RSS_INDIR_TABLE_LEN; |
| 2854 | j += adapter->num_rx_qs - 1) { |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 2855 | for_all_rss_queues(adapter, rxo, i) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2856 | if ((j + i) >= RSS_INDIR_TABLE_LEN) |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 2857 | break; |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2858 | rss->rsstable[j + i] = rxo->rss_id; |
| 2859 | rss->rss_queue[j + i] = i; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 2860 | } |
| 2861 | } |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2862 | rss->rss_flags = RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | |
| 2863 | RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6; |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 2864 | |
| 2865 | if (!BEx_chip(adapter)) |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2866 | rss->rss_flags |= RSS_ENABLE_UDP_IPV4 | |
| 2867 | RSS_ENABLE_UDP_IPV6; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 2868 | } else { |
| 2869 | /* Disable RSS, if only default RX Q is created */ |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2870 | rss->rss_flags = RSS_ENABLE_NONE; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 2871 | } |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 2872 | |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2873 | get_random_bytes(rss_hkey, RSS_HASH_KEY_LEN); |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2874 | rc = be_cmd_rss_config(adapter, rss->rsstable, rss->rss_flags, |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2875 | 128, rss_hkey); |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 2876 | if (rc) { |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2877 | rss->rss_flags = RSS_ENABLE_NONE; |
Vasundhara Volam | da1388d | 2014-01-06 13:02:23 +0530 | [diff] [blame] | 2878 | return rc; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2879 | } |
| 2880 | |
Venkata Duvvuru | e255787 | 2014-04-21 15:38:00 +0530 | [diff] [blame] | 2881 | memcpy(rss->rss_hkey, rss_hkey, RSS_HASH_KEY_LEN); |
| 2882 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2883 | /* First time posting */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2884 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2885 | be_post_rx_frags(rxo, GFP_KERNEL); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2886 | return 0; |
| 2887 | } |
| 2888 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2889 | static int be_open(struct net_device *netdev) |
| 2890 | { |
| 2891 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2892 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2893 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2894 | struct be_tx_obj *txo; |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 2895 | u8 link_status; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2896 | int status, i; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2897 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2898 | status = be_rx_qs_create(adapter); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2899 | if (status) |
| 2900 | goto err; |
| 2901 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2902 | status = be_irq_register(adapter); |
| 2903 | if (status) |
| 2904 | goto err; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2905 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2906 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2907 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2908 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2909 | for_all_tx_queues(adapter, txo, i) |
| 2910 | be_cq_notify(adapter, txo->cq.id, true, 0); |
| 2911 | |
Sathya Perla | 7a1e9b2 | 2010-02-17 01:35:11 +0000 | [diff] [blame] | 2912 | be_async_mcc_enable(adapter); |
| 2913 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2914 | for_all_evt_queues(adapter, eqo, i) { |
| 2915 | napi_enable(&eqo->napi); |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 2916 | be_enable_busy_poll(eqo); |
Suresh Reddy | 4cad9f3 | 2014-07-11 14:03:01 +0530 | [diff] [blame] | 2917 | be_eq_notify(adapter, eqo->q.id, true, true, 0); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2918 | } |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 2919 | adapter->flags |= BE_FLAGS_NAPI_ENABLED; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2920 | |
Sathya Perla | 323ff71 | 2012-09-28 04:39:43 +0000 | [diff] [blame] | 2921 | status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 2922 | if (!status) |
| 2923 | be_link_status_update(adapter, link_status); |
| 2924 | |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 2925 | netif_tx_start_all_queues(netdev); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2926 | be_roce_dev_open(adapter); |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 2927 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 2928 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 2929 | if (skyhawk_chip(adapter)) |
| 2930 | vxlan_get_rx_port(netdev); |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 2931 | #endif |
| 2932 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2933 | return 0; |
| 2934 | err: |
| 2935 | be_close(adapter->netdev); |
| 2936 | return -EIO; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2937 | } |
| 2938 | |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2939 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
| 2940 | { |
| 2941 | struct be_dma_mem cmd; |
| 2942 | int status = 0; |
| 2943 | u8 mac[ETH_ALEN]; |
| 2944 | |
| 2945 | memset(mac, 0, ETH_ALEN); |
| 2946 | |
| 2947 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); |
Joe Perches | ede23fa | 2013-08-26 22:45:23 -0700 | [diff] [blame] | 2948 | cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
| 2949 | GFP_KERNEL); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 2950 | if (!cmd.va) |
Kalesh AP | 6b56868 | 2014-07-17 16:20:22 +0530 | [diff] [blame] | 2951 | return -ENOMEM; |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2952 | |
| 2953 | if (enable) { |
| 2954 | status = pci_write_config_dword(adapter->pdev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2955 | PCICFG_PM_CONTROL_OFFSET, |
| 2956 | PCICFG_PM_CONTROL_MASK); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2957 | if (status) { |
| 2958 | dev_err(&adapter->pdev->dev, |
Frans Pop | 2381a55 | 2010-03-24 07:57:36 +0000 | [diff] [blame] | 2959 | "Could not enable Wake-on-lan\n"); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2960 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
| 2961 | cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2962 | return status; |
| 2963 | } |
| 2964 | status = be_cmd_enable_magic_wol(adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 2965 | adapter->netdev->dev_addr, |
| 2966 | &cmd); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2967 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); |
| 2968 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); |
| 2969 | } else { |
| 2970 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); |
| 2971 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); |
| 2972 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); |
| 2973 | } |
| 2974 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2975 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2976 | return status; |
| 2977 | } |
| 2978 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2979 | /* |
| 2980 | * Generate a seed MAC address from the PF MAC Address using jhash. |
| 2981 | * MAC Address for VFs are assigned incrementally starting from the seed. |
| 2982 | * These addresses are programmed in the ASIC by the PF and the VF driver |
| 2983 | * queries for the MAC address during its probe. |
| 2984 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2985 | static int be_vf_eth_addr_config(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2986 | { |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2987 | u32 vf; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2988 | int status = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2989 | u8 mac[ETH_ALEN]; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2990 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2991 | |
| 2992 | be_vf_eth_addr_generate(adapter, mac); |
| 2993 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2994 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 2995 | if (BEx_chip(adapter)) |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2996 | status = be_cmd_pmac_add(adapter, mac, |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2997 | vf_cfg->if_handle, |
| 2998 | &vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 2999 | else |
| 3000 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, |
| 3001 | vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3002 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3003 | if (status) |
| 3004 | dev_err(&adapter->pdev->dev, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3005 | "Mac address assignment failed for VF %d\n", |
| 3006 | vf); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3007 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3008 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3009 | |
| 3010 | mac[5] += 1; |
| 3011 | } |
| 3012 | return status; |
| 3013 | } |
| 3014 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3015 | static int be_vfs_mac_query(struct be_adapter *adapter) |
| 3016 | { |
| 3017 | int status, vf; |
| 3018 | u8 mac[ETH_ALEN]; |
| 3019 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3020 | |
| 3021 | for_all_vfs(adapter, vf_cfg, vf) { |
Suresh Reddy | b188f09 | 2014-01-15 13:23:39 +0530 | [diff] [blame] | 3022 | status = be_cmd_get_active_mac(adapter, vf_cfg->pmac_id, |
| 3023 | mac, vf_cfg->if_handle, |
| 3024 | false, vf+1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3025 | if (status) |
| 3026 | return status; |
| 3027 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
| 3028 | } |
| 3029 | return 0; |
| 3030 | } |
| 3031 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3032 | static void be_vf_clear(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3033 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3034 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3035 | u32 vf; |
| 3036 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 3037 | if (pci_vfs_assigned(adapter->pdev)) { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3038 | dev_warn(&adapter->pdev->dev, |
| 3039 | "VFs are assigned to VMs: not disabling VFs\n"); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3040 | goto done; |
| 3041 | } |
| 3042 | |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 3043 | pci_disable_sriov(adapter->pdev); |
| 3044 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3045 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3046 | if (BEx_chip(adapter)) |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3047 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 3048 | vf_cfg->pmac_id, vf + 1); |
Sathya Perla | 3175d8c | 2013-07-23 15:25:03 +0530 | [diff] [blame] | 3049 | else |
| 3050 | be_cmd_set_mac(adapter, NULL, vf_cfg->if_handle, |
| 3051 | vf + 1); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3052 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3053 | be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); |
| 3054 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3055 | done: |
| 3056 | kfree(adapter->vf_cfg); |
| 3057 | adapter->num_vfs = 0; |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 3058 | adapter->flags &= ~BE_FLAGS_SRIOV_ENABLED; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 3059 | } |
| 3060 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3061 | static void be_clear_queues(struct be_adapter *adapter) |
| 3062 | { |
| 3063 | be_mcc_queues_destroy(adapter); |
| 3064 | be_rx_cqs_destroy(adapter); |
| 3065 | be_tx_queues_destroy(adapter); |
| 3066 | be_evt_queues_destroy(adapter); |
| 3067 | } |
| 3068 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3069 | static void be_cancel_worker(struct be_adapter *adapter) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3070 | { |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3071 | if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { |
| 3072 | cancel_delayed_work_sync(&adapter->work); |
| 3073 | adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; |
| 3074 | } |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3075 | } |
| 3076 | |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3077 | static void be_mac_clear(struct be_adapter *adapter) |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3078 | { |
| 3079 | int i; |
| 3080 | |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3081 | if (adapter->pmac_id) { |
| 3082 | for (i = 0; i < (adapter->uc_macs + 1); i++) |
| 3083 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 3084 | adapter->pmac_id[i], 0); |
| 3085 | adapter->uc_macs = 0; |
| 3086 | |
| 3087 | kfree(adapter->pmac_id); |
| 3088 | adapter->pmac_id = NULL; |
| 3089 | } |
| 3090 | } |
| 3091 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3092 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3093 | static void be_disable_vxlan_offloads(struct be_adapter *adapter) |
| 3094 | { |
| 3095 | if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) |
| 3096 | be_cmd_manage_iface(adapter, adapter->if_handle, |
| 3097 | OP_CONVERT_TUNNEL_TO_NORMAL); |
| 3098 | |
| 3099 | if (adapter->vxlan_port) |
| 3100 | be_cmd_set_vxlan_port(adapter, 0); |
| 3101 | |
| 3102 | adapter->flags &= ~BE_FLAGS_VXLAN_OFFLOADS; |
| 3103 | adapter->vxlan_port = 0; |
| 3104 | } |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3105 | #endif |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3106 | |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3107 | static int be_clear(struct be_adapter *adapter) |
| 3108 | { |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3109 | be_cancel_worker(adapter); |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3110 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3111 | if (sriov_enabled(adapter)) |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3112 | be_vf_clear(adapter); |
| 3113 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3114 | /* Re-configure FW to distribute resources evenly across max-supported |
| 3115 | * number of VFs, only when VFs are not already enabled. |
| 3116 | */ |
| 3117 | if (be_physfn(adapter) && !pci_vfs_assigned(adapter->pdev)) |
| 3118 | be_cmd_set_sriov_config(adapter, adapter->pool_res, |
| 3119 | pci_sriov_get_totalvfs(adapter->pdev)); |
| 3120 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3121 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 3122 | be_disable_vxlan_offloads(adapter); |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 3123 | #endif |
Sathya Perla | 2d17f40 | 2013-07-23 15:25:04 +0530 | [diff] [blame] | 3124 | /* delete the primary mac along with the uc-mac list */ |
Somnath Kotur | b05004a | 2013-12-05 12:08:16 +0530 | [diff] [blame] | 3125 | be_mac_clear(adapter); |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 3126 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3127 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3128 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3129 | be_clear_queues(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3130 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3131 | be_msix_disable(adapter); |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 3132 | adapter->flags &= ~BE_FLAGS_SETUP_DONE; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3133 | return 0; |
| 3134 | } |
| 3135 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3136 | static int be_vfs_if_create(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3137 | { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3138 | struct be_resources res = {0}; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3139 | struct be_vf_cfg *vf_cfg; |
| 3140 | u32 cap_flags, en_flags, vf; |
Antonio Alecrim Jr | 922bbe8 | 2013-09-13 14:05:49 -0300 | [diff] [blame] | 3141 | int status = 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3142 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3143 | cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 3144 | BE_IF_FLAGS_MULTICAST; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3145 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3146 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3147 | if (!BE3_chip(adapter)) { |
| 3148 | status = be_cmd_get_profile_config(adapter, &res, |
| 3149 | vf + 1); |
| 3150 | if (!status) |
| 3151 | cap_flags = res.if_cap_flags; |
| 3152 | } |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3153 | |
| 3154 | /* If a FW profile exists, then cap_flags are updated */ |
| 3155 | en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3156 | BE_IF_FLAGS_BROADCAST | |
| 3157 | BE_IF_FLAGS_MULTICAST); |
| 3158 | status = |
| 3159 | be_cmd_if_create(adapter, cap_flags, en_flags, |
| 3160 | &vf_cfg->if_handle, vf + 1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3161 | if (status) |
| 3162 | goto err; |
| 3163 | } |
| 3164 | err: |
| 3165 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3166 | } |
| 3167 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3168 | static int be_vf_setup_init(struct be_adapter *adapter) |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3169 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3170 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3171 | int vf; |
| 3172 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3173 | adapter->vf_cfg = kcalloc(adapter->num_vfs, sizeof(*vf_cfg), |
| 3174 | GFP_KERNEL); |
| 3175 | if (!adapter->vf_cfg) |
| 3176 | return -ENOMEM; |
| 3177 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3178 | for_all_vfs(adapter, vf_cfg, vf) { |
| 3179 | vf_cfg->if_handle = -1; |
| 3180 | vf_cfg->pmac_id = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3181 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3182 | return 0; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3183 | } |
| 3184 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3185 | static int be_vf_setup(struct be_adapter *adapter) |
| 3186 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3187 | struct device *dev = &adapter->pdev->dev; |
Somnath Kotur | c502224 | 2014-03-03 14:24:20 +0530 | [diff] [blame] | 3188 | struct be_vf_cfg *vf_cfg; |
| 3189 | int status, old_vfs, vf; |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3190 | u32 privileges; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3191 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 3192 | old_vfs = pci_num_vf(adapter->pdev); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3193 | |
| 3194 | status = be_vf_setup_init(adapter); |
| 3195 | if (status) |
| 3196 | goto err; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3197 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3198 | if (old_vfs) { |
| 3199 | for_all_vfs(adapter, vf_cfg, vf) { |
| 3200 | status = be_cmd_get_if_id(adapter, vf_cfg, vf); |
| 3201 | if (status) |
| 3202 | goto err; |
| 3203 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3204 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3205 | status = be_vfs_mac_query(adapter); |
| 3206 | if (status) |
| 3207 | goto err; |
| 3208 | } else { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3209 | status = be_vfs_if_create(adapter); |
| 3210 | if (status) |
| 3211 | goto err; |
| 3212 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3213 | status = be_vf_eth_addr_config(adapter); |
| 3214 | if (status) |
| 3215 | goto err; |
| 3216 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3217 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 3218 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame] | 3219 | /* Allow VFs to programs MAC/VLAN filters */ |
| 3220 | status = be_cmd_get_fn_privileges(adapter, &privileges, vf + 1); |
| 3221 | if (!status && !(privileges & BE_PRIV_FILTMGMT)) { |
| 3222 | status = be_cmd_set_fn_privileges(adapter, |
| 3223 | privileges | |
| 3224 | BE_PRIV_FILTMGMT, |
| 3225 | vf + 1); |
| 3226 | if (!status) |
| 3227 | dev_info(dev, "VF%d has FILTMGMT privilege\n", |
| 3228 | vf); |
| 3229 | } |
| 3230 | |
Ravikumar Nelavelli | 0f77ba7 | 2014-05-30 19:06:24 +0530 | [diff] [blame] | 3231 | /* Allow full available bandwidth */ |
| 3232 | if (!old_vfs) |
| 3233 | be_cmd_config_qos(adapter, 0, 0, vf + 1); |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 3234 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 3235 | if (!old_vfs) { |
Vasundhara Volam | 0599863 | 2013-10-01 15:59:59 +0530 | [diff] [blame] | 3236 | be_cmd_enable_vf(adapter, vf + 1); |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 3237 | be_cmd_set_logical_link_config(adapter, |
| 3238 | IFLA_VF_LINK_STATE_AUTO, |
| 3239 | vf+1); |
| 3240 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3241 | } |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 3242 | |
| 3243 | if (!old_vfs) { |
| 3244 | status = pci_enable_sriov(adapter->pdev, adapter->num_vfs); |
| 3245 | if (status) { |
| 3246 | dev_err(dev, "SRIOV enable failed\n"); |
| 3247 | adapter->num_vfs = 0; |
| 3248 | goto err; |
| 3249 | } |
| 3250 | } |
Vasundhara Volam | f174c7e | 2014-07-17 16:20:31 +0530 | [diff] [blame] | 3251 | |
| 3252 | adapter->flags |= BE_FLAGS_SRIOV_ENABLED; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3253 | return 0; |
| 3254 | err: |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3255 | dev_err(dev, "VF setup failed\n"); |
| 3256 | be_vf_clear(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3257 | return status; |
| 3258 | } |
| 3259 | |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3260 | /* Converting function_mode bits on BE3 to SH mc_type enums */ |
| 3261 | |
| 3262 | static u8 be_convert_mc_type(u32 function_mode) |
| 3263 | { |
Suresh Reddy | 66064db | 2014-06-23 16:41:29 +0530 | [diff] [blame] | 3264 | if (function_mode & VNIC_MODE && function_mode & QNQ_MODE) |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3265 | return vNIC1; |
Suresh Reddy | 66064db | 2014-06-23 16:41:29 +0530 | [diff] [blame] | 3266 | else if (function_mode & QNQ_MODE) |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3267 | return FLEX10; |
| 3268 | else if (function_mode & VNIC_MODE) |
| 3269 | return vNIC2; |
| 3270 | else if (function_mode & UMC_ENABLED) |
| 3271 | return UMC; |
| 3272 | else |
| 3273 | return MC_NONE; |
| 3274 | } |
| 3275 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3276 | /* On BE2/BE3 FW does not suggest the supported limits */ |
| 3277 | static void BEx_get_resources(struct be_adapter *adapter, |
| 3278 | struct be_resources *res) |
| 3279 | { |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3280 | bool use_sriov = adapter->num_vfs ? 1 : 0; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3281 | |
| 3282 | if (be_physfn(adapter)) |
| 3283 | res->max_uc_mac = BE_UC_PMAC_COUNT; |
| 3284 | else |
| 3285 | res->max_uc_mac = BE_VF_UC_PMAC_COUNT; |
| 3286 | |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3287 | adapter->mc_type = be_convert_mc_type(adapter->function_mode); |
| 3288 | |
| 3289 | if (be_is_mc(adapter)) { |
| 3290 | /* Assuming that there are 4 channels per port, |
| 3291 | * when multi-channel is enabled |
| 3292 | */ |
| 3293 | if (be_is_qnq_mode(adapter)) |
| 3294 | res->max_vlans = BE_NUM_VLANS_SUPPORTED/8; |
| 3295 | else |
| 3296 | /* In a non-qnq multichannel mode, the pvid |
| 3297 | * takes up one vlan entry |
| 3298 | */ |
| 3299 | res->max_vlans = (BE_NUM_VLANS_SUPPORTED / 4) - 1; |
| 3300 | } else { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3301 | res->max_vlans = BE_NUM_VLANS_SUPPORTED; |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 3302 | } |
| 3303 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3304 | res->max_mcast_mac = BE_MAX_MC; |
| 3305 | |
Vasundhara Volam | a5243da | 2014-03-11 18:53:07 +0530 | [diff] [blame] | 3306 | /* 1) For BE3 1Gb ports, FW does not support multiple TXQs |
| 3307 | * 2) Create multiple TX rings on a BE3-R multi-channel interface |
| 3308 | * *only* if it is RSS-capable. |
| 3309 | */ |
| 3310 | if (BE2_chip(adapter) || use_sriov || (adapter->port_num > 1) || |
| 3311 | !be_physfn(adapter) || (be_is_mc(adapter) && |
| 3312 | !(adapter->function_caps & BE_FUNCTION_CAPS_RSS))) |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3313 | res->max_tx_qs = 1; |
| 3314 | else |
| 3315 | res->max_tx_qs = BE3_MAX_TX_QS; |
| 3316 | |
| 3317 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && |
| 3318 | !use_sriov && be_physfn(adapter)) |
| 3319 | res->max_rss_qs = (adapter->be3_native) ? |
| 3320 | BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; |
| 3321 | res->max_rx_qs = res->max_rss_qs + 1; |
| 3322 | |
Suresh Reddy | e3dc867 | 2014-01-06 13:02:25 +0530 | [diff] [blame] | 3323 | if (be_physfn(adapter)) |
Vasundhara Volam | d3518e2 | 2014-07-17 16:20:29 +0530 | [diff] [blame] | 3324 | res->max_evt_qs = (be_max_vfs(adapter) > 0) ? |
Suresh Reddy | e3dc867 | 2014-01-06 13:02:25 +0530 | [diff] [blame] | 3325 | BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS; |
| 3326 | else |
| 3327 | res->max_evt_qs = 1; |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3328 | |
| 3329 | res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; |
| 3330 | if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) |
| 3331 | res->if_cap_flags &= ~BE_IF_FLAGS_RSS; |
| 3332 | } |
| 3333 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3334 | static void be_setup_init(struct be_adapter *adapter) |
| 3335 | { |
| 3336 | adapter->vlan_prio_bmap = 0xff; |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3337 | adapter->phy.link_speed = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3338 | adapter->if_handle = -1; |
| 3339 | adapter->be3_native = false; |
| 3340 | adapter->promiscuous = false; |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3341 | if (be_physfn(adapter)) |
| 3342 | adapter->cmd_privileges = MAX_PRIVILEGES; |
| 3343 | else |
| 3344 | adapter->cmd_privileges = MIN_PRIVILEGES; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3345 | } |
| 3346 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3347 | static int be_get_sriov_config(struct be_adapter *adapter) |
| 3348 | { |
| 3349 | struct device *dev = &adapter->pdev->dev; |
| 3350 | struct be_resources res = {0}; |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3351 | int max_vfs, old_vfs; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3352 | |
| 3353 | /* Some old versions of BE3 FW don't report max_vfs value */ |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3354 | be_cmd_get_profile_config(adapter, &res, 0); |
| 3355 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3356 | if (BE3_chip(adapter) && !res.max_vfs) { |
| 3357 | max_vfs = pci_sriov_get_totalvfs(adapter->pdev); |
| 3358 | res.max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; |
| 3359 | } |
| 3360 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3361 | adapter->pool_res = res; |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3362 | |
| 3363 | if (!be_max_vfs(adapter)) { |
| 3364 | if (num_vfs) |
| 3365 | dev_warn(dev, "device doesn't support SRIOV\n"); |
| 3366 | adapter->num_vfs = 0; |
| 3367 | return 0; |
| 3368 | } |
| 3369 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3370 | pci_sriov_set_totalvfs(adapter->pdev, be_max_vfs(adapter)); |
| 3371 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3372 | /* validate num_vfs module param */ |
| 3373 | old_vfs = pci_num_vf(adapter->pdev); |
| 3374 | if (old_vfs) { |
| 3375 | dev_info(dev, "%d VFs are already enabled\n", old_vfs); |
| 3376 | if (old_vfs != num_vfs) |
| 3377 | dev_warn(dev, "Ignoring num_vfs=%d setting\n", num_vfs); |
| 3378 | adapter->num_vfs = old_vfs; |
| 3379 | } else { |
| 3380 | if (num_vfs > be_max_vfs(adapter)) { |
| 3381 | dev_info(dev, "Resources unavailable to init %d VFs\n", |
| 3382 | num_vfs); |
| 3383 | dev_info(dev, "Limiting to %d VFs\n", |
| 3384 | be_max_vfs(adapter)); |
| 3385 | } |
| 3386 | adapter->num_vfs = min_t(u16, num_vfs, be_max_vfs(adapter)); |
| 3387 | } |
| 3388 | |
| 3389 | return 0; |
| 3390 | } |
| 3391 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3392 | static int be_get_resources(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3393 | { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3394 | struct device *dev = &adapter->pdev->dev; |
| 3395 | struct be_resources res = {0}; |
| 3396 | int status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3397 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3398 | if (BEx_chip(adapter)) { |
| 3399 | BEx_get_resources(adapter, &res); |
| 3400 | adapter->res = res; |
| 3401 | } |
| 3402 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3403 | /* For Lancer, SH etc read per-function resource limits from FW. |
| 3404 | * GET_FUNC_CONFIG returns per function guaranteed limits. |
| 3405 | * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits |
| 3406 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3407 | if (!BEx_chip(adapter)) { |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3408 | status = be_cmd_get_func_config(adapter, &res); |
| 3409 | if (status) |
| 3410 | return status; |
| 3411 | |
| 3412 | /* If RoCE may be enabled stash away half the EQs for RoCE */ |
| 3413 | if (be_roce_supported(adapter)) |
| 3414 | res.max_evt_qs /= 2; |
| 3415 | adapter->res = res; |
| 3416 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3417 | dev_info(dev, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n", |
| 3418 | be_max_txqs(adapter), be_max_rxqs(adapter), |
| 3419 | be_max_rss(adapter), be_max_eqs(adapter), |
| 3420 | be_max_vfs(adapter)); |
| 3421 | dev_info(dev, "Max: uc-macs %d, mc-macs %d, vlans %d\n", |
| 3422 | be_max_uc(adapter), be_max_mc(adapter), |
| 3423 | be_max_vlans(adapter)); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3424 | } |
| 3425 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3426 | return 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3427 | } |
| 3428 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3429 | static void be_sriov_config(struct be_adapter *adapter) |
| 3430 | { |
| 3431 | struct device *dev = &adapter->pdev->dev; |
| 3432 | int status; |
| 3433 | |
| 3434 | status = be_get_sriov_config(adapter); |
| 3435 | if (status) { |
| 3436 | dev_err(dev, "Failed to query SR-IOV configuration\n"); |
| 3437 | dev_err(dev, "SR-IOV cannot be enabled\n"); |
| 3438 | return; |
| 3439 | } |
| 3440 | |
| 3441 | /* When the HW is in SRIOV capable configuration, the PF-pool |
| 3442 | * resources are equally distributed across the max-number of |
| 3443 | * VFs. The user may request only a subset of the max-vfs to be |
| 3444 | * enabled. Based on num_vfs, redistribute the resources across |
| 3445 | * num_vfs so that each VF will have access to more number of |
| 3446 | * resources. This facility is not available in BE3 FW. |
| 3447 | * Also, this is done by FW in Lancer chip. |
| 3448 | */ |
| 3449 | if (be_max_vfs(adapter) && !pci_num_vf(adapter->pdev)) { |
| 3450 | status = be_cmd_set_sriov_config(adapter, |
| 3451 | adapter->pool_res, |
| 3452 | adapter->num_vfs); |
| 3453 | if (status) |
| 3454 | dev_err(dev, "Failed to optimize SR-IOV resources\n"); |
| 3455 | } |
| 3456 | } |
| 3457 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3458 | static int be_get_config(struct be_adapter *adapter) |
| 3459 | { |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 3460 | u16 profile_id; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3461 | int status; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3462 | |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 3463 | status = be_cmd_query_fw_cfg(adapter); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3464 | if (status) |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3465 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3466 | |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 3467 | if (be_physfn(adapter)) { |
| 3468 | status = be_cmd_get_active_profile(adapter, &profile_id); |
| 3469 | if (!status) |
| 3470 | dev_info(&adapter->pdev->dev, |
| 3471 | "Using profile 0x%x\n", profile_id); |
Vasundhara Volam | 962bcb7 | 2014-07-17 16:20:30 +0530 | [diff] [blame] | 3472 | } |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3473 | |
Sathya Perla | d3d1831 | 2014-08-01 17:47:30 +0530 | [diff] [blame] | 3474 | if (!BE2_chip(adapter) && be_physfn(adapter)) |
| 3475 | be_sriov_config(adapter); |
Vasundhara Volam | 542963b | 2014-01-15 13:23:33 +0530 | [diff] [blame] | 3476 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3477 | status = be_get_resources(adapter); |
| 3478 | if (status) |
| 3479 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3480 | |
Ravikumar Nelavelli | 46ee9c1 | 2014-03-11 18:53:06 +0530 | [diff] [blame] | 3481 | adapter->pmac_id = kcalloc(be_max_uc(adapter), |
| 3482 | sizeof(*adapter->pmac_id), GFP_KERNEL); |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3483 | if (!adapter->pmac_id) |
| 3484 | return -ENOMEM; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3485 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 3486 | /* Sanitize cfg_num_qs based on HW and platform limits */ |
| 3487 | adapter->cfg_num_qs = min(adapter->cfg_num_qs, be_max_qs(adapter)); |
| 3488 | |
| 3489 | return 0; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3490 | } |
| 3491 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 3492 | static int be_mac_setup(struct be_adapter *adapter) |
| 3493 | { |
| 3494 | u8 mac[ETH_ALEN]; |
| 3495 | int status; |
| 3496 | |
| 3497 | if (is_zero_ether_addr(adapter->netdev->dev_addr)) { |
| 3498 | status = be_cmd_get_perm_mac(adapter, mac); |
| 3499 | if (status) |
| 3500 | return status; |
| 3501 | |
| 3502 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); |
| 3503 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); |
| 3504 | } else { |
| 3505 | /* Maybe the HW was reset; dev_addr must be re-programmed */ |
| 3506 | memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); |
| 3507 | } |
| 3508 | |
Ajit Khaparde | 2c7a9dc | 2013-11-22 12:51:28 -0600 | [diff] [blame] | 3509 | /* For BE3-R VFs, the PF programs the initial MAC address */ |
| 3510 | if (!(BEx_chip(adapter) && be_virtfn(adapter))) |
| 3511 | be_cmd_pmac_add(adapter, mac, adapter->if_handle, |
| 3512 | &adapter->pmac_id[0], 0); |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 3513 | return 0; |
| 3514 | } |
| 3515 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3516 | static void be_schedule_worker(struct be_adapter *adapter) |
| 3517 | { |
| 3518 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 3519 | adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; |
| 3520 | } |
| 3521 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3522 | static int be_setup_queues(struct be_adapter *adapter) |
| 3523 | { |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3524 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3525 | int status; |
| 3526 | |
| 3527 | status = be_evt_queues_create(adapter); |
| 3528 | if (status) |
| 3529 | goto err; |
| 3530 | |
| 3531 | status = be_tx_qs_create(adapter); |
| 3532 | if (status) |
| 3533 | goto err; |
| 3534 | |
| 3535 | status = be_rx_cqs_create(adapter); |
| 3536 | if (status) |
| 3537 | goto err; |
| 3538 | |
| 3539 | status = be_mcc_queues_create(adapter); |
| 3540 | if (status) |
| 3541 | goto err; |
| 3542 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3543 | status = netif_set_real_num_rx_queues(netdev, adapter->num_rx_qs); |
| 3544 | if (status) |
| 3545 | goto err; |
| 3546 | |
| 3547 | status = netif_set_real_num_tx_queues(netdev, adapter->num_tx_qs); |
| 3548 | if (status) |
| 3549 | goto err; |
| 3550 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3551 | return 0; |
| 3552 | err: |
| 3553 | dev_err(&adapter->pdev->dev, "queue_setup failed\n"); |
| 3554 | return status; |
| 3555 | } |
| 3556 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3557 | int be_update_queues(struct be_adapter *adapter) |
| 3558 | { |
| 3559 | struct net_device *netdev = adapter->netdev; |
| 3560 | int status; |
| 3561 | |
| 3562 | if (netif_running(netdev)) |
| 3563 | be_close(netdev); |
| 3564 | |
| 3565 | be_cancel_worker(adapter); |
| 3566 | |
| 3567 | /* If any vectors have been shared with RoCE we cannot re-program |
| 3568 | * the MSIx table. |
| 3569 | */ |
| 3570 | if (!adapter->num_msix_roce_vec) |
| 3571 | be_msix_disable(adapter); |
| 3572 | |
| 3573 | be_clear_queues(adapter); |
| 3574 | |
| 3575 | if (!msix_enabled(adapter)) { |
| 3576 | status = be_msix_enable(adapter); |
| 3577 | if (status) |
| 3578 | return status; |
| 3579 | } |
| 3580 | |
| 3581 | status = be_setup_queues(adapter); |
| 3582 | if (status) |
| 3583 | return status; |
| 3584 | |
| 3585 | be_schedule_worker(adapter); |
| 3586 | |
| 3587 | if (netif_running(netdev)) |
| 3588 | status = be_open(netdev); |
| 3589 | |
| 3590 | return status; |
| 3591 | } |
| 3592 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3593 | static int be_setup(struct be_adapter *adapter) |
| 3594 | { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3595 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3596 | u32 tx_fc, rx_fc, en_flags; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3597 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3598 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3599 | be_setup_init(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3600 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3601 | if (!lancer_chip(adapter)) |
| 3602 | be_cmd_req_native_mode(adapter); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3603 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3604 | status = be_get_config(adapter); |
| 3605 | if (status) |
| 3606 | goto err; |
Sathya Perla | 2dc1deb | 2011-07-19 19:52:33 +0000 | [diff] [blame] | 3607 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 3608 | status = be_msix_enable(adapter); |
| 3609 | if (status) |
| 3610 | goto err; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3611 | |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3612 | en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 3613 | BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS; |
| 3614 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) |
| 3615 | en_flags |= BE_IF_FLAGS_RSS; |
| 3616 | en_flags = en_flags & be_if_cap_flags(adapter); |
| 3617 | status = be_cmd_if_create(adapter, be_if_cap_flags(adapter), en_flags, |
| 3618 | &adapter->if_handle, 0); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3619 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3620 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3621 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3622 | /* Updating real_num_tx/rx_queues() requires rtnl_lock() */ |
| 3623 | rtnl_lock(); |
Sathya Perla | 7707133 | 2013-08-27 16:57:34 +0530 | [diff] [blame] | 3624 | status = be_setup_queues(adapter); |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3625 | rtnl_unlock(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3626 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3627 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3628 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3629 | be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3630 | |
Sathya Perla | 95046b9 | 2013-07-23 15:25:02 +0530 | [diff] [blame] | 3631 | status = be_mac_setup(adapter); |
| 3632 | if (status) |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3633 | goto err; |
| 3634 | |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 3635 | be_cmd_get_fw_ver(adapter); |
Somnath Kotur | 5a56eb1 | 2011-09-30 07:24:28 +0000 | [diff] [blame] | 3636 | |
Somnath Kotur | e9e2a90 | 2013-10-24 14:37:53 +0530 | [diff] [blame] | 3637 | if (BE2_chip(adapter) && fw_major_num(adapter->fw_ver) < 4) { |
| 3638 | dev_err(dev, "Firmware on card is old(%s), IRQs may not work.", |
| 3639 | adapter->fw_ver); |
| 3640 | dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); |
| 3641 | } |
| 3642 | |
Sathya Perla | 1d1e9a4 | 2012-06-05 19:37:17 +0000 | [diff] [blame] | 3643 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 3644 | be_vid_config(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3645 | |
| 3646 | be_set_rx_mode(adapter->netdev); |
| 3647 | |
Suresh Reddy | 76a9e08 | 2014-01-15 13:23:40 +0530 | [diff] [blame] | 3648 | be_cmd_get_acpi_wol_cap(adapter); |
| 3649 | |
Ajit Khaparde | ddc3f5c | 2012-04-26 15:42:31 +0000 | [diff] [blame] | 3650 | be_cmd_get_flow_control(adapter, &tx_fc, &rx_fc); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3651 | |
Ajit Khaparde | ddc3f5c | 2012-04-26 15:42:31 +0000 | [diff] [blame] | 3652 | if (rx_fc != adapter->rx_fc || tx_fc != adapter->tx_fc) |
| 3653 | be_cmd_set_flow_control(adapter, adapter->tx_fc, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3654 | adapter->rx_fc); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3655 | |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 3656 | if (be_physfn(adapter)) |
| 3657 | be_cmd_set_logical_link_config(adapter, |
| 3658 | IFLA_VF_LINK_STATE_AUTO, 0); |
| 3659 | |
Vasundhara Volam | bec84e6 | 2014-06-30 13:01:32 +0530 | [diff] [blame] | 3660 | if (adapter->num_vfs) |
| 3661 | be_vf_setup(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3662 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3663 | status = be_cmd_get_phy_info(adapter); |
| 3664 | if (!status && be_pause_supported(adapter)) |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3665 | adapter->phy.fc_autoneg = 1; |
| 3666 | |
Sathya Perla | 68d7bdc | 2013-08-27 16:57:35 +0530 | [diff] [blame] | 3667 | be_schedule_worker(adapter); |
Kalesh AP | e1ad8e3 | 2014-04-14 16:12:41 +0530 | [diff] [blame] | 3668 | adapter->flags |= BE_FLAGS_SETUP_DONE; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3669 | return 0; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3670 | err: |
| 3671 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3672 | return status; |
| 3673 | } |
| 3674 | |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3675 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3676 | static void be_netpoll(struct net_device *netdev) |
| 3677 | { |
| 3678 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3679 | struct be_eq_obj *eqo; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3680 | int i; |
| 3681 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3682 | for_all_evt_queues(adapter, eqo, i) { |
| 3683 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 3684 | napi_schedule(&eqo->napi); |
| 3685 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3686 | |
| 3687 | return; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3688 | } |
| 3689 | #endif |
| 3690 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3691 | static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "}; |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3692 | |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3693 | static bool phy_flashing_required(struct be_adapter *adapter) |
| 3694 | { |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3695 | return (adapter->phy.phy_type == TN_8022 && |
| 3696 | adapter->phy.interface_type == PHY_TYPE_BASET_10GB); |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3697 | } |
| 3698 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3699 | static bool is_comp_in_ufi(struct be_adapter *adapter, |
| 3700 | struct flash_section_info *fsec, int type) |
| 3701 | { |
| 3702 | int i = 0, img_type = 0; |
| 3703 | struct flash_section_info_g2 *fsec_g2 = NULL; |
| 3704 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3705 | if (BE2_chip(adapter)) |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3706 | fsec_g2 = (struct flash_section_info_g2 *)fsec; |
| 3707 | |
| 3708 | for (i = 0; i < MAX_FLASH_COMP; i++) { |
| 3709 | if (fsec_g2) |
| 3710 | img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type); |
| 3711 | else |
| 3712 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); |
| 3713 | |
| 3714 | if (img_type == type) |
| 3715 | return true; |
| 3716 | } |
| 3717 | return false; |
| 3718 | |
| 3719 | } |
| 3720 | |
Jingoo Han | 4188e7d | 2013-08-05 18:02:02 +0900 | [diff] [blame] | 3721 | static struct flash_section_info *get_fsec_info(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3722 | int header_size, |
| 3723 | const struct firmware *fw) |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3724 | { |
| 3725 | struct flash_section_info *fsec = NULL; |
| 3726 | const u8 *p = fw->data; |
| 3727 | |
| 3728 | p += header_size; |
| 3729 | while (p < (fw->data + fw->size)) { |
| 3730 | fsec = (struct flash_section_info *)p; |
| 3731 | if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie))) |
| 3732 | return fsec; |
| 3733 | p += 32; |
| 3734 | } |
| 3735 | return NULL; |
| 3736 | } |
| 3737 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3738 | static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p, |
| 3739 | u32 img_offset, u32 img_size, int hdr_size, |
| 3740 | u16 img_optype, bool *crc_match) |
| 3741 | { |
| 3742 | u32 crc_offset; |
| 3743 | int status; |
| 3744 | u8 crc[4]; |
| 3745 | |
| 3746 | status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_size - 4); |
| 3747 | if (status) |
| 3748 | return status; |
| 3749 | |
| 3750 | crc_offset = hdr_size + img_offset + img_size - 4; |
| 3751 | |
| 3752 | /* Skip flashing, if crc of flashed region matches */ |
| 3753 | if (!memcmp(crc, p + crc_offset, 4)) |
| 3754 | *crc_match = true; |
| 3755 | else |
| 3756 | *crc_match = false; |
| 3757 | |
| 3758 | return status; |
| 3759 | } |
| 3760 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3761 | static int be_flash(struct be_adapter *adapter, const u8 *img, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3762 | struct be_dma_mem *flash_cmd, int optype, int img_size) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3763 | { |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3764 | struct be_cmd_write_flashrom *req = flash_cmd->va; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3765 | u32 total_bytes, flash_op, num_bytes; |
| 3766 | int status; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3767 | |
| 3768 | total_bytes = img_size; |
| 3769 | while (total_bytes) { |
| 3770 | num_bytes = min_t(u32, 32*1024, total_bytes); |
| 3771 | |
| 3772 | total_bytes -= num_bytes; |
| 3773 | |
| 3774 | if (!total_bytes) { |
| 3775 | if (optype == OPTYPE_PHY_FW) |
| 3776 | flash_op = FLASHROM_OPER_PHY_FLASH; |
| 3777 | else |
| 3778 | flash_op = FLASHROM_OPER_FLASH; |
| 3779 | } else { |
| 3780 | if (optype == OPTYPE_PHY_FW) |
| 3781 | flash_op = FLASHROM_OPER_PHY_SAVE; |
| 3782 | else |
| 3783 | flash_op = FLASHROM_OPER_SAVE; |
| 3784 | } |
| 3785 | |
Padmanabh Ratnakar | be71644 | 2012-10-22 23:02:44 +0000 | [diff] [blame] | 3786 | memcpy(req->data_buf, img, num_bytes); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3787 | img += num_bytes; |
| 3788 | status = be_cmd_write_flashrom(adapter, flash_cmd, optype, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3789 | flash_op, num_bytes); |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 3790 | if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST && |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3791 | optype == OPTYPE_PHY_FW) |
| 3792 | break; |
| 3793 | else if (status) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3794 | return status; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3795 | } |
| 3796 | return 0; |
| 3797 | } |
| 3798 | |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3799 | /* For BE2, BE3 and BE3-R */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3800 | static int be_flash_BEx(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3801 | const struct firmware *fw, |
| 3802 | struct be_dma_mem *flash_cmd, int num_of_images) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3803 | { |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3804 | int img_hdrs_size = (num_of_images * sizeof(struct image_hdr)); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3805 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3806 | struct flash_section_info *fsec = NULL; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3807 | int status, i, filehdr_size, num_comp; |
| 3808 | const struct flash_comp *pflashcomp; |
| 3809 | bool crc_match; |
| 3810 | const u8 *p; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3811 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3812 | struct flash_comp gen3_flash_types[] = { |
| 3813 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, OPTYPE_ISCSI_ACTIVE, |
| 3814 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_iSCSI}, |
| 3815 | { FLASH_REDBOOT_START_g3, OPTYPE_REDBOOT, |
| 3816 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3, IMAGE_BOOT_CODE}, |
| 3817 | { FLASH_iSCSI_BIOS_START_g3, OPTYPE_BIOS, |
| 3818 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_ISCSI}, |
| 3819 | { FLASH_PXE_BIOS_START_g3, OPTYPE_PXE_BIOS, |
| 3820 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_PXE}, |
| 3821 | { FLASH_FCoE_BIOS_START_g3, OPTYPE_FCOE_BIOS, |
| 3822 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_FCoE}, |
| 3823 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, OPTYPE_ISCSI_BACKUP, |
| 3824 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 3825 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, OPTYPE_FCOE_FW_ACTIVE, |
| 3826 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_FCoE}, |
| 3827 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, OPTYPE_FCOE_FW_BACKUP, |
| 3828 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_FCoE}, |
| 3829 | { FLASH_NCSI_START_g3, OPTYPE_NCSI_FW, |
| 3830 | FLASH_NCSI_IMAGE_MAX_SIZE_g3, IMAGE_NCSI}, |
| 3831 | { FLASH_PHY_FW_START_g3, OPTYPE_PHY_FW, |
| 3832 | FLASH_PHY_FW_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_PHY} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3833 | }; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3834 | |
| 3835 | struct flash_comp gen2_flash_types[] = { |
| 3836 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, OPTYPE_ISCSI_ACTIVE, |
| 3837 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_iSCSI}, |
| 3838 | { FLASH_REDBOOT_START_g2, OPTYPE_REDBOOT, |
| 3839 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2, IMAGE_BOOT_CODE}, |
| 3840 | { FLASH_iSCSI_BIOS_START_g2, OPTYPE_BIOS, |
| 3841 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_ISCSI}, |
| 3842 | { FLASH_PXE_BIOS_START_g2, OPTYPE_PXE_BIOS, |
| 3843 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_PXE}, |
| 3844 | { FLASH_FCoE_BIOS_START_g2, OPTYPE_FCOE_BIOS, |
| 3845 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_FCoE}, |
| 3846 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, OPTYPE_ISCSI_BACKUP, |
| 3847 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 3848 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, OPTYPE_FCOE_FW_ACTIVE, |
| 3849 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_FCoE}, |
| 3850 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, OPTYPE_FCOE_FW_BACKUP, |
| 3851 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_FCoE} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3852 | }; |
| 3853 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3854 | if (BE3_chip(adapter)) { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3855 | pflashcomp = gen3_flash_types; |
| 3856 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 3857 | num_comp = ARRAY_SIZE(gen3_flash_types); |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3858 | } else { |
| 3859 | pflashcomp = gen2_flash_types; |
| 3860 | filehdr_size = sizeof(struct flash_file_hdr_g2); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 3861 | num_comp = ARRAY_SIZE(gen2_flash_types); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3862 | } |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3863 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3864 | /* Get flash section info*/ |
| 3865 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 3866 | if (!fsec) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3867 | dev_err(dev, "Invalid Cookie. FW image may be corrupted\n"); |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3868 | return -1; |
| 3869 | } |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 3870 | for (i = 0; i < num_comp; i++) { |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3871 | if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type)) |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 3872 | continue; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3873 | |
| 3874 | if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) && |
| 3875 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) |
| 3876 | continue; |
| 3877 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3878 | if (pflashcomp[i].optype == OPTYPE_PHY_FW && |
| 3879 | !phy_flashing_required(adapter)) |
| 3880 | continue; |
| 3881 | |
| 3882 | if (pflashcomp[i].optype == OPTYPE_REDBOOT) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3883 | status = be_check_flash_crc(adapter, fw->data, |
| 3884 | pflashcomp[i].offset, |
| 3885 | pflashcomp[i].size, |
| 3886 | filehdr_size + |
| 3887 | img_hdrs_size, |
| 3888 | OPTYPE_REDBOOT, &crc_match); |
| 3889 | if (status) { |
| 3890 | dev_err(dev, |
| 3891 | "Could not get CRC for 0x%x region\n", |
| 3892 | pflashcomp[i].optype); |
| 3893 | continue; |
| 3894 | } |
| 3895 | |
| 3896 | if (crc_match) |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3897 | continue; |
| 3898 | } |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3899 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3900 | p = fw->data + filehdr_size + pflashcomp[i].offset + |
| 3901 | img_hdrs_size; |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3902 | if (p + pflashcomp[i].size > fw->data + fw->size) |
| 3903 | return -1; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3904 | |
| 3905 | status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3906 | pflashcomp[i].size); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3907 | if (status) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3908 | dev_err(dev, "Flashing section type 0x%x failed\n", |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3909 | pflashcomp[i].img_type); |
| 3910 | return status; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3911 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3912 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3913 | return 0; |
| 3914 | } |
| 3915 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3916 | static u16 be_get_img_optype(struct flash_section_entry fsec_entry) |
| 3917 | { |
| 3918 | u32 img_type = le32_to_cpu(fsec_entry.type); |
| 3919 | u16 img_optype = le16_to_cpu(fsec_entry.optype); |
| 3920 | |
| 3921 | if (img_optype != 0xFFFF) |
| 3922 | return img_optype; |
| 3923 | |
| 3924 | switch (img_type) { |
| 3925 | case IMAGE_FIRMWARE_iSCSI: |
| 3926 | img_optype = OPTYPE_ISCSI_ACTIVE; |
| 3927 | break; |
| 3928 | case IMAGE_BOOT_CODE: |
| 3929 | img_optype = OPTYPE_REDBOOT; |
| 3930 | break; |
| 3931 | case IMAGE_OPTION_ROM_ISCSI: |
| 3932 | img_optype = OPTYPE_BIOS; |
| 3933 | break; |
| 3934 | case IMAGE_OPTION_ROM_PXE: |
| 3935 | img_optype = OPTYPE_PXE_BIOS; |
| 3936 | break; |
| 3937 | case IMAGE_OPTION_ROM_FCoE: |
| 3938 | img_optype = OPTYPE_FCOE_BIOS; |
| 3939 | break; |
| 3940 | case IMAGE_FIRMWARE_BACKUP_iSCSI: |
| 3941 | img_optype = OPTYPE_ISCSI_BACKUP; |
| 3942 | break; |
| 3943 | case IMAGE_NCSI: |
| 3944 | img_optype = OPTYPE_NCSI_FW; |
| 3945 | break; |
| 3946 | case IMAGE_FLASHISM_JUMPVECTOR: |
| 3947 | img_optype = OPTYPE_FLASHISM_JUMPVECTOR; |
| 3948 | break; |
| 3949 | case IMAGE_FIRMWARE_PHY: |
| 3950 | img_optype = OPTYPE_SH_PHY_FW; |
| 3951 | break; |
| 3952 | case IMAGE_REDBOOT_DIR: |
| 3953 | img_optype = OPTYPE_REDBOOT_DIR; |
| 3954 | break; |
| 3955 | case IMAGE_REDBOOT_CONFIG: |
| 3956 | img_optype = OPTYPE_REDBOOT_CONFIG; |
| 3957 | break; |
| 3958 | case IMAGE_UFI_DIR: |
| 3959 | img_optype = OPTYPE_UFI_DIR; |
| 3960 | break; |
| 3961 | default: |
| 3962 | break; |
| 3963 | } |
| 3964 | |
| 3965 | return img_optype; |
| 3966 | } |
| 3967 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3968 | static int be_flash_skyhawk(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 3969 | const struct firmware *fw, |
| 3970 | struct be_dma_mem *flash_cmd, int num_of_images) |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3971 | { |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3972 | int img_hdrs_size = num_of_images * sizeof(struct image_hdr); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3973 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3974 | struct flash_section_info *fsec = NULL; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3975 | u32 img_offset, img_size, img_type; |
| 3976 | int status, i, filehdr_size; |
| 3977 | bool crc_match, old_fw_img; |
| 3978 | u16 img_optype; |
| 3979 | const u8 *p; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3980 | |
| 3981 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
| 3982 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 3983 | if (!fsec) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3984 | dev_err(dev, "Invalid Cookie. FW image may be corrupted\n"); |
Kalesh AP | 56ace3a | 2014-07-17 16:20:20 +0530 | [diff] [blame] | 3985 | return -EINVAL; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3986 | } |
| 3987 | |
| 3988 | for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) { |
| 3989 | img_offset = le32_to_cpu(fsec->fsec_entry[i].offset); |
| 3990 | img_size = le32_to_cpu(fsec->fsec_entry[i].pad_size); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3991 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); |
| 3992 | img_optype = be_get_img_optype(fsec->fsec_entry[i]); |
| 3993 | old_fw_img = fsec->fsec_entry[i].optype == 0xFFFF; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3994 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3995 | if (img_optype == 0xFFFF) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3996 | continue; |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 3997 | /* Don't bother verifying CRC if an old FW image is being |
| 3998 | * flashed |
| 3999 | */ |
| 4000 | if (old_fw_img) |
| 4001 | goto flash; |
| 4002 | |
| 4003 | status = be_check_flash_crc(adapter, fw->data, img_offset, |
| 4004 | img_size, filehdr_size + |
| 4005 | img_hdrs_size, img_optype, |
| 4006 | &crc_match); |
| 4007 | /* The current FW image on the card does not recognize the new |
| 4008 | * FLASH op_type. The FW download is partially complete. |
| 4009 | * Reboot the server now to enable FW image to recognize the |
| 4010 | * new FLASH op_type. To complete the remaining process, |
| 4011 | * download the same FW again after the reboot. |
| 4012 | */ |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 4013 | if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST || |
| 4014 | base_status(status) == MCC_STATUS_ILLEGAL_FIELD) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4015 | dev_err(dev, "Flash incomplete. Reset the server\n"); |
| 4016 | dev_err(dev, "Download FW image again after reset\n"); |
| 4017 | return -EAGAIN; |
| 4018 | } else if (status) { |
| 4019 | dev_err(dev, "Could not get CRC for 0x%x region\n", |
| 4020 | img_optype); |
| 4021 | return -EFAULT; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4022 | } |
| 4023 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4024 | if (crc_match) |
| 4025 | continue; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4026 | |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4027 | flash: |
| 4028 | p = fw->data + filehdr_size + img_offset + img_hdrs_size; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4029 | if (p + img_size > fw->data + fw->size) |
| 4030 | return -1; |
| 4031 | |
| 4032 | status = be_flash(adapter, p, flash_cmd, img_optype, img_size); |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4033 | /* For old FW images ignore ILLEGAL_FIELD error or errors on |
| 4034 | * UFI_DIR region |
| 4035 | */ |
Kalesh AP | 4c60005 | 2014-05-30 19:06:26 +0530 | [diff] [blame] | 4036 | if (old_fw_img && |
| 4037 | (base_status(status) == MCC_STATUS_ILLEGAL_FIELD || |
| 4038 | (img_optype == OPTYPE_UFI_DIR && |
| 4039 | base_status(status) == MCC_STATUS_FAILED))) { |
Vasundhara Volam | 96c9b2e | 2014-05-30 19:06:25 +0530 | [diff] [blame] | 4040 | continue; |
| 4041 | } else if (status) { |
| 4042 | dev_err(dev, "Flashing section type 0x%x failed\n", |
| 4043 | img_type); |
| 4044 | return -EFAULT; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4045 | } |
| 4046 | } |
| 4047 | return 0; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4048 | } |
| 4049 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4050 | static int lancer_fw_download(struct be_adapter *adapter, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4051 | const struct firmware *fw) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4052 | { |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4053 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) |
| 4054 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" |
| 4055 | struct be_dma_mem flash_cmd; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4056 | const u8 *data_ptr = NULL; |
| 4057 | u8 *dest_image_ptr = NULL; |
| 4058 | size_t image_size = 0; |
| 4059 | u32 chunk_size = 0; |
| 4060 | u32 data_written = 0; |
| 4061 | u32 offset = 0; |
| 4062 | int status = 0; |
| 4063 | u8 add_status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4064 | u8 change_status; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4065 | |
| 4066 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { |
| 4067 | dev_err(&adapter->pdev->dev, |
| 4068 | "FW Image not properly aligned. " |
| 4069 | "Length must be 4 byte aligned.\n"); |
| 4070 | status = -EINVAL; |
| 4071 | goto lancer_fw_exit; |
| 4072 | } |
| 4073 | |
| 4074 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) |
| 4075 | + LANCER_FW_DOWNLOAD_CHUNK; |
| 4076 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
Joe Perches | d0320f7 | 2013-03-14 13:07:21 +0000 | [diff] [blame] | 4077 | &flash_cmd.dma, GFP_KERNEL); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4078 | if (!flash_cmd.va) { |
| 4079 | status = -ENOMEM; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4080 | goto lancer_fw_exit; |
| 4081 | } |
| 4082 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4083 | dest_image_ptr = flash_cmd.va + |
| 4084 | sizeof(struct lancer_cmd_req_write_object); |
| 4085 | image_size = fw->size; |
| 4086 | data_ptr = fw->data; |
| 4087 | |
| 4088 | while (image_size) { |
| 4089 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); |
| 4090 | |
| 4091 | /* Copy the image chunk content. */ |
| 4092 | memcpy(dest_image_ptr, data_ptr, chunk_size); |
| 4093 | |
| 4094 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4095 | chunk_size, offset, |
| 4096 | LANCER_FW_DOWNLOAD_LOCATION, |
| 4097 | &data_written, &change_status, |
| 4098 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4099 | if (status) |
| 4100 | break; |
| 4101 | |
| 4102 | offset += data_written; |
| 4103 | data_ptr += data_written; |
| 4104 | image_size -= data_written; |
| 4105 | } |
| 4106 | |
| 4107 | if (!status) { |
| 4108 | /* Commit the FW written */ |
| 4109 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4110 | 0, offset, |
| 4111 | LANCER_FW_DOWNLOAD_LOCATION, |
| 4112 | &data_written, &change_status, |
| 4113 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4114 | } |
| 4115 | |
| 4116 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4117 | flash_cmd.dma); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4118 | if (status) { |
| 4119 | dev_err(&adapter->pdev->dev, |
| 4120 | "Firmware load error. " |
| 4121 | "Status code: 0x%x Additional Status: 0x%x\n", |
| 4122 | status, add_status); |
| 4123 | goto lancer_fw_exit; |
| 4124 | } |
| 4125 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4126 | if (change_status == LANCER_FW_RESET_NEEDED) { |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 4127 | dev_info(&adapter->pdev->dev, |
| 4128 | "Resetting adapter to activate new FW\n"); |
Somnath Kotur | 5c51081 | 2013-05-30 02:52:23 +0000 | [diff] [blame] | 4129 | status = lancer_physdev_ctrl(adapter, |
| 4130 | PHYSDEV_CONTROL_FW_RESET_MASK); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4131 | if (status) { |
| 4132 | dev_err(&adapter->pdev->dev, |
| 4133 | "Adapter busy for FW reset.\n" |
| 4134 | "New FW will not be active.\n"); |
| 4135 | goto lancer_fw_exit; |
| 4136 | } |
| 4137 | } else if (change_status != LANCER_NO_RESET_NEEDED) { |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4138 | dev_err(&adapter->pdev->dev, |
| 4139 | "System reboot required for new FW to be active\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4140 | } |
| 4141 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4142 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
| 4143 | lancer_fw_exit: |
| 4144 | return status; |
| 4145 | } |
| 4146 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4147 | #define UFI_TYPE2 2 |
| 4148 | #define UFI_TYPE3 3 |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4149 | #define UFI_TYPE3R 10 |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4150 | #define UFI_TYPE4 4 |
| 4151 | static int be_get_ufi_type(struct be_adapter *adapter, |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4152 | struct flash_file_hdr_g3 *fhdr) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4153 | { |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 4154 | if (!fhdr) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4155 | goto be_get_ufi_exit; |
| 4156 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4157 | if (skyhawk_chip(adapter) && fhdr->build[0] == '4') |
| 4158 | return UFI_TYPE4; |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4159 | else if (BE3_chip(adapter) && fhdr->build[0] == '3') { |
| 4160 | if (fhdr->asic_type_rev == 0x10) |
| 4161 | return UFI_TYPE3R; |
| 4162 | else |
| 4163 | return UFI_TYPE3; |
| 4164 | } else if (BE2_chip(adapter) && fhdr->build[0] == '2') |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4165 | return UFI_TYPE2; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4166 | |
| 4167 | be_get_ufi_exit: |
| 4168 | dev_err(&adapter->pdev->dev, |
| 4169 | "UFI and Interface are not compatible for flashing\n"); |
| 4170 | return -1; |
| 4171 | } |
| 4172 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4173 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) |
| 4174 | { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4175 | struct flash_file_hdr_g3 *fhdr3; |
| 4176 | struct image_hdr *img_hdr_ptr = NULL; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4177 | struct be_dma_mem flash_cmd; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4178 | const u8 *p; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4179 | int status = 0, i = 0, num_imgs = 0, ufi_type = 0; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4180 | |
Padmanabh Ratnakar | be71644 | 2012-10-22 23:02:44 +0000 | [diff] [blame] | 4181 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4182 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
| 4183 | &flash_cmd.dma, GFP_KERNEL); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4184 | if (!flash_cmd.va) { |
| 4185 | status = -ENOMEM; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4186 | goto be_fw_exit; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4187 | } |
| 4188 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4189 | p = fw->data; |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4190 | fhdr3 = (struct flash_file_hdr_g3 *)p; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4191 | |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4192 | ufi_type = be_get_ufi_type(adapter, fhdr3); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4193 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4194 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
| 4195 | for (i = 0; i < num_imgs; i++) { |
| 4196 | img_hdr_ptr = (struct image_hdr *)(fw->data + |
| 4197 | (sizeof(struct flash_file_hdr_g3) + |
| 4198 | i * sizeof(struct image_hdr))); |
| 4199 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) { |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4200 | switch (ufi_type) { |
| 4201 | case UFI_TYPE4: |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4202 | status = be_flash_skyhawk(adapter, fw, |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4203 | &flash_cmd, num_imgs); |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4204 | break; |
| 4205 | case UFI_TYPE3R: |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4206 | status = be_flash_BEx(adapter, fw, &flash_cmd, |
| 4207 | num_imgs); |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4208 | break; |
| 4209 | case UFI_TYPE3: |
| 4210 | /* Do not flash this ufi on BE3-R cards */ |
| 4211 | if (adapter->asic_rev < 0x10) |
| 4212 | status = be_flash_BEx(adapter, fw, |
| 4213 | &flash_cmd, |
| 4214 | num_imgs); |
| 4215 | else { |
Kalesh AP | 56ace3a | 2014-07-17 16:20:20 +0530 | [diff] [blame] | 4216 | status = -EINVAL; |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 4217 | dev_err(&adapter->pdev->dev, |
| 4218 | "Can't load BE3 UFI on BE3R\n"); |
| 4219 | } |
| 4220 | } |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 4221 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4222 | } |
| 4223 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4224 | if (ufi_type == UFI_TYPE2) |
| 4225 | status = be_flash_BEx(adapter, fw, &flash_cmd, 0); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4226 | else if (ufi_type == -1) |
Kalesh AP | 56ace3a | 2014-07-17 16:20:20 +0530 | [diff] [blame] | 4227 | status = -EINVAL; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 4228 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4229 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
| 4230 | flash_cmd.dma); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4231 | if (status) { |
| 4232 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4233 | goto be_fw_exit; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4234 | } |
| 4235 | |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 4236 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4237 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4238 | be_fw_exit: |
| 4239 | return status; |
| 4240 | } |
| 4241 | |
| 4242 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) |
| 4243 | { |
| 4244 | const struct firmware *fw; |
| 4245 | int status; |
| 4246 | |
| 4247 | if (!netif_running(adapter->netdev)) { |
| 4248 | dev_err(&adapter->pdev->dev, |
| 4249 | "Firmware load not allowed (interface is down)\n"); |
Kalesh AP | 940a3fc | 2014-07-17 16:20:19 +0530 | [diff] [blame] | 4250 | return -ENETDOWN; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 4251 | } |
| 4252 | |
| 4253 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); |
| 4254 | if (status) |
| 4255 | goto fw_exit; |
| 4256 | |
| 4257 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
| 4258 | |
| 4259 | if (lancer_chip(adapter)) |
| 4260 | status = lancer_fw_download(adapter, fw); |
| 4261 | else |
| 4262 | status = be_fw_download(adapter, fw); |
| 4263 | |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 4264 | if (!status) |
Kalesh AP | e97e3cd | 2014-07-17 16:20:26 +0530 | [diff] [blame] | 4265 | be_cmd_get_fw_ver(adapter); |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 4266 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 4267 | fw_exit: |
| 4268 | release_firmware(fw); |
| 4269 | return status; |
| 4270 | } |
| 4271 | |
Sathya Perla | 748b539 | 2014-05-09 13:29:13 +0530 | [diff] [blame] | 4272 | static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh) |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4273 | { |
| 4274 | struct be_adapter *adapter = netdev_priv(dev); |
| 4275 | struct nlattr *attr, *br_spec; |
| 4276 | int rem; |
| 4277 | int status = 0; |
| 4278 | u16 mode = 0; |
| 4279 | |
| 4280 | if (!sriov_enabled(adapter)) |
| 4281 | return -EOPNOTSUPP; |
| 4282 | |
| 4283 | br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
| 4284 | |
| 4285 | nla_for_each_nested(attr, br_spec, rem) { |
| 4286 | if (nla_type(attr) != IFLA_BRIDGE_MODE) |
| 4287 | continue; |
| 4288 | |
| 4289 | mode = nla_get_u16(attr); |
| 4290 | if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) |
| 4291 | return -EINVAL; |
| 4292 | |
| 4293 | status = be_cmd_set_hsw_config(adapter, 0, 0, |
| 4294 | adapter->if_handle, |
| 4295 | mode == BRIDGE_MODE_VEPA ? |
| 4296 | PORT_FWD_TYPE_VEPA : |
| 4297 | PORT_FWD_TYPE_VEB); |
| 4298 | if (status) |
| 4299 | goto err; |
| 4300 | |
| 4301 | dev_info(&adapter->pdev->dev, "enabled switch mode: %s\n", |
| 4302 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); |
| 4303 | |
| 4304 | return status; |
| 4305 | } |
| 4306 | err: |
| 4307 | dev_err(&adapter->pdev->dev, "Failed to set switch mode %s\n", |
| 4308 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); |
| 4309 | |
| 4310 | return status; |
| 4311 | } |
| 4312 | |
| 4313 | 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] | 4314 | struct net_device *dev, u32 filter_mask) |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4315 | { |
| 4316 | struct be_adapter *adapter = netdev_priv(dev); |
| 4317 | int status = 0; |
| 4318 | u8 hsw_mode; |
| 4319 | |
| 4320 | if (!sriov_enabled(adapter)) |
| 4321 | return 0; |
| 4322 | |
| 4323 | /* BE and Lancer chips support VEB mode only */ |
| 4324 | if (BEx_chip(adapter) || lancer_chip(adapter)) { |
| 4325 | hsw_mode = PORT_FWD_TYPE_VEB; |
| 4326 | } else { |
| 4327 | status = be_cmd_get_hsw_config(adapter, NULL, 0, |
| 4328 | adapter->if_handle, &hsw_mode); |
| 4329 | if (status) |
| 4330 | return 0; |
| 4331 | } |
| 4332 | |
| 4333 | return ndo_dflt_bridge_getlink(skb, pid, seq, dev, |
| 4334 | hsw_mode == PORT_FWD_TYPE_VEPA ? |
| 4335 | BRIDGE_MODE_VEPA : BRIDGE_MODE_VEB); |
| 4336 | } |
| 4337 | |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4338 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4339 | static void be_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family, |
| 4340 | __be16 port) |
| 4341 | { |
| 4342 | struct be_adapter *adapter = netdev_priv(netdev); |
| 4343 | struct device *dev = &adapter->pdev->dev; |
| 4344 | int status; |
| 4345 | |
| 4346 | if (lancer_chip(adapter) || BEx_chip(adapter)) |
| 4347 | return; |
| 4348 | |
| 4349 | if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) { |
| 4350 | dev_warn(dev, "Cannot add UDP port %d for VxLAN offloads\n", |
| 4351 | be16_to_cpu(port)); |
| 4352 | dev_info(dev, |
| 4353 | "Only one UDP port supported for VxLAN offloads\n"); |
| 4354 | return; |
| 4355 | } |
| 4356 | |
| 4357 | status = be_cmd_manage_iface(adapter, adapter->if_handle, |
| 4358 | OP_CONVERT_NORMAL_TO_TUNNEL); |
| 4359 | if (status) { |
| 4360 | dev_warn(dev, "Failed to convert normal interface to tunnel\n"); |
| 4361 | goto err; |
| 4362 | } |
| 4363 | |
| 4364 | status = be_cmd_set_vxlan_port(adapter, port); |
| 4365 | if (status) { |
| 4366 | dev_warn(dev, "Failed to add VxLAN port\n"); |
| 4367 | goto err; |
| 4368 | } |
| 4369 | adapter->flags |= BE_FLAGS_VXLAN_OFFLOADS; |
| 4370 | adapter->vxlan_port = port; |
| 4371 | |
| 4372 | dev_info(dev, "Enabled VxLAN offloads for UDP port %d\n", |
| 4373 | be16_to_cpu(port)); |
| 4374 | return; |
| 4375 | err: |
| 4376 | be_disable_vxlan_offloads(adapter); |
| 4377 | return; |
| 4378 | } |
| 4379 | |
| 4380 | static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, |
| 4381 | __be16 port) |
| 4382 | { |
| 4383 | struct be_adapter *adapter = netdev_priv(netdev); |
| 4384 | |
| 4385 | if (lancer_chip(adapter) || BEx_chip(adapter)) |
| 4386 | return; |
| 4387 | |
| 4388 | if (adapter->vxlan_port != port) |
| 4389 | return; |
| 4390 | |
| 4391 | be_disable_vxlan_offloads(adapter); |
| 4392 | |
| 4393 | dev_info(&adapter->pdev->dev, |
| 4394 | "Disabled VxLAN offloads for UDP port %d\n", |
| 4395 | be16_to_cpu(port)); |
| 4396 | } |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4397 | #endif |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4398 | |
stephen hemminger | e5686ad | 2012-01-05 19:10:25 +0000 | [diff] [blame] | 4399 | static const struct net_device_ops be_netdev_ops = { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4400 | .ndo_open = be_open, |
| 4401 | .ndo_stop = be_close, |
| 4402 | .ndo_start_xmit = be_xmit, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4403 | .ndo_set_rx_mode = be_set_rx_mode, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4404 | .ndo_set_mac_address = be_mac_addr_set, |
| 4405 | .ndo_change_mtu = be_change_mtu, |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 4406 | .ndo_get_stats64 = be_get_stats64, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4407 | .ndo_validate_addr = eth_validate_addr, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4408 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
| 4409 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 4410 | .ndo_set_vf_mac = be_set_vf_mac, |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 4411 | .ndo_set_vf_vlan = be_set_vf_vlan, |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 4412 | .ndo_set_vf_rate = be_set_vf_tx_rate, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4413 | .ndo_get_vf_config = be_get_vf_config, |
Suresh Reddy | bdce2ad | 2014-03-11 18:53:04 +0530 | [diff] [blame] | 4414 | .ndo_set_vf_link_state = be_set_vf_link_state, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 4415 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 4416 | .ndo_poll_controller = be_netpoll, |
| 4417 | #endif |
Ajit Khaparde | a77dcb8 | 2013-08-30 15:01:16 -0500 | [diff] [blame] | 4418 | .ndo_bridge_setlink = be_ndo_bridge_setlink, |
| 4419 | .ndo_bridge_getlink = be_ndo_bridge_getlink, |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 4420 | #ifdef CONFIG_NET_RX_BUSY_POLL |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4421 | .ndo_busy_poll = be_busy_poll, |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 4422 | #endif |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4423 | #ifdef CONFIG_BE2NET_VXLAN |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4424 | .ndo_add_vxlan_port = be_add_vxlan_port, |
| 4425 | .ndo_del_vxlan_port = be_del_vxlan_port, |
Sathya Perla | c5abe7c | 2014-04-01 12:33:59 +0530 | [diff] [blame] | 4426 | #endif |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4427 | }; |
| 4428 | |
| 4429 | static void be_netdev_init(struct net_device *netdev) |
| 4430 | { |
| 4431 | struct be_adapter *adapter = netdev_priv(netdev); |
| 4432 | |
Sathya Perla | c9c4714 | 2014-03-27 10:46:19 +0530 | [diff] [blame] | 4433 | if (skyhawk_chip(adapter)) { |
| 4434 | netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
| 4435 | NETIF_F_TSO | NETIF_F_TSO6 | |
| 4436 | NETIF_F_GSO_UDP_TUNNEL; |
| 4437 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; |
| 4438 | } |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 4439 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 4440 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 4441 | NETIF_F_HW_VLAN_CTAG_TX; |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 4442 | if (be_multi_rxq(adapter)) |
| 4443 | netdev->hw_features |= NETIF_F_RXHASH; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 4444 | |
| 4445 | netdev->features |= netdev->hw_features | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 4446 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 4447 | |
Padmanabh Ratnakar | eb8a50d | 2011-06-11 15:58:46 -0700 | [diff] [blame] | 4448 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 4449 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
Ajit Khaparde | 51c5987 | 2009-11-29 17:54:54 +0000 | [diff] [blame] | 4450 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 4451 | netdev->priv_flags |= IFF_UNICAST_FLT; |
| 4452 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4453 | netdev->flags |= IFF_MULTICAST; |
| 4454 | |
Sarveshwar Bandi | b7e5887 | 2012-06-13 19:51:43 +0000 | [diff] [blame] | 4455 | netif_set_gso_max_size(netdev, 65535 - ETH_HLEN); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 4456 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4457 | netdev->netdev_ops = &be_netdev_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4458 | |
Wilfried Klaebe | 7ad24ea | 2014-05-11 00:12:32 +0000 | [diff] [blame] | 4459 | netdev->ethtool_ops = &be_ethtool_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4460 | } |
| 4461 | |
| 4462 | static void be_unmap_pci_bars(struct be_adapter *adapter) |
| 4463 | { |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 4464 | if (adapter->csr) |
| 4465 | pci_iounmap(adapter->pdev, adapter->csr); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 4466 | if (adapter->db) |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 4467 | pci_iounmap(adapter->pdev, adapter->db); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 4468 | } |
| 4469 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 4470 | static int db_bar(struct be_adapter *adapter) |
| 4471 | { |
| 4472 | if (lancer_chip(adapter) || !be_physfn(adapter)) |
| 4473 | return 0; |
| 4474 | else |
| 4475 | return 4; |
| 4476 | } |
| 4477 | |
| 4478 | static int be_roce_map_pci_bars(struct be_adapter *adapter) |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 4479 | { |
Sathya Perla | dbf0f2a | 2012-11-06 17:49:00 +0000 | [diff] [blame] | 4480 | if (skyhawk_chip(adapter)) { |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 4481 | adapter->roce_db.size = 4096; |
| 4482 | adapter->roce_db.io_addr = pci_resource_start(adapter->pdev, |
| 4483 | db_bar(adapter)); |
| 4484 | adapter->roce_db.total_size = pci_resource_len(adapter->pdev, |
| 4485 | db_bar(adapter)); |
| 4486 | } |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 4487 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4488 | } |
| 4489 | |
| 4490 | static int be_map_pci_bars(struct be_adapter *adapter) |
| 4491 | { |
| 4492 | u8 __iomem *addr; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 4493 | |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 4494 | if (BEx_chip(adapter) && be_physfn(adapter)) { |
| 4495 | adapter->csr = pci_iomap(adapter->pdev, 2, 0); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 4496 | if (!adapter->csr) |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 4497 | return -ENOMEM; |
| 4498 | } |
| 4499 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 4500 | addr = pci_iomap(adapter->pdev, db_bar(adapter), 0); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 4501 | if (!addr) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4502 | goto pci_map_err; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 4503 | adapter->db = addr; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 4504 | |
| 4505 | be_roce_map_pci_bars(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4506 | return 0; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 4507 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4508 | pci_map_err: |
| 4509 | be_unmap_pci_bars(adapter); |
| 4510 | return -ENOMEM; |
| 4511 | } |
| 4512 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4513 | static void be_ctrl_cleanup(struct be_adapter *adapter) |
| 4514 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 4515 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4516 | |
| 4517 | be_unmap_pci_bars(adapter); |
| 4518 | |
| 4519 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4520 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 4521 | mem->dma); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 4522 | |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 4523 | mem = &adapter->rx_filter; |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 4524 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4525 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 4526 | mem->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4527 | } |
| 4528 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4529 | static int be_ctrl_init(struct be_adapter *adapter) |
| 4530 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 4531 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
| 4532 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 4533 | struct be_dma_mem *rx_filter = &adapter->rx_filter; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 4534 | u32 sli_intf; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4535 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4536 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 4537 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 4538 | adapter->sli_family = (sli_intf & SLI_INTF_FAMILY_MASK) >> |
| 4539 | SLI_INTF_FAMILY_SHIFT; |
| 4540 | adapter->virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; |
| 4541 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4542 | status = be_map_pci_bars(adapter); |
| 4543 | if (status) |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 4544 | goto done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4545 | |
| 4546 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4547 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
| 4548 | mbox_mem_alloc->size, |
| 4549 | &mbox_mem_alloc->dma, |
| 4550 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4551 | if (!mbox_mem_alloc->va) { |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 4552 | status = -ENOMEM; |
| 4553 | goto unmap_pci_bars; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4554 | } |
| 4555 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
| 4556 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); |
| 4557 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); |
| 4558 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 4559 | |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 4560 | rx_filter->size = sizeof(struct be_cmd_req_rx_filter); |
Joe Perches | ede23fa | 2013-08-26 22:45:23 -0700 | [diff] [blame] | 4561 | rx_filter->va = dma_zalloc_coherent(&adapter->pdev->dev, |
| 4562 | rx_filter->size, &rx_filter->dma, |
| 4563 | GFP_KERNEL); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 4564 | if (!rx_filter->va) { |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 4565 | status = -ENOMEM; |
| 4566 | goto free_mbox; |
| 4567 | } |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 4568 | |
Ivan Vecera | 2984961 | 2010-12-14 05:43:19 +0000 | [diff] [blame] | 4569 | mutex_init(&adapter->mbox_lock); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 4570 | spin_lock_init(&adapter->mcc_lock); |
| 4571 | spin_lock_init(&adapter->mcc_cq_lock); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4572 | |
Suresh Reddy | 5eeff63 | 2014-01-06 13:02:24 +0530 | [diff] [blame] | 4573 | init_completion(&adapter->et_cmd_compl); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4574 | pci_save_state(adapter->pdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4575 | return 0; |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 4576 | |
| 4577 | free_mbox: |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4578 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
| 4579 | mbox_mem_alloc->va, mbox_mem_alloc->dma); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 4580 | |
| 4581 | unmap_pci_bars: |
| 4582 | be_unmap_pci_bars(adapter); |
| 4583 | |
| 4584 | done: |
| 4585 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4586 | } |
| 4587 | |
| 4588 | static void be_stats_cleanup(struct be_adapter *adapter) |
| 4589 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 4590 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4591 | |
| 4592 | if (cmd->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4593 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
| 4594 | cmd->va, cmd->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4595 | } |
| 4596 | |
| 4597 | static int be_stats_init(struct be_adapter *adapter) |
| 4598 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 4599 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4600 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4601 | if (lancer_chip(adapter)) |
| 4602 | cmd->size = sizeof(struct lancer_cmd_req_pport_stats); |
| 4603 | else if (BE2_chip(adapter)) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 4604 | cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 4605 | else if (BE3_chip(adapter)) |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4606 | cmd->size = sizeof(struct be_cmd_req_get_stats_v1); |
Ajit Khaparde | 6100086 | 2013-10-03 16:16:33 -0500 | [diff] [blame] | 4607 | else |
| 4608 | /* ALL non-BE ASICs */ |
| 4609 | cmd->size = sizeof(struct be_cmd_req_get_stats_v2); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 4610 | |
Joe Perches | ede23fa | 2013-08-26 22:45:23 -0700 | [diff] [blame] | 4611 | cmd->va = dma_zalloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
| 4612 | GFP_KERNEL); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 4613 | if (!cmd->va) |
Kalesh AP | 6b56868 | 2014-07-17 16:20:22 +0530 | [diff] [blame] | 4614 | return -ENOMEM; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4615 | return 0; |
| 4616 | } |
| 4617 | |
Bill Pemberton | 3bc6b06 | 2012-12-03 09:23:09 -0500 | [diff] [blame] | 4618 | static void be_remove(struct pci_dev *pdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4619 | { |
| 4620 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 4621 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4622 | if (!adapter) |
| 4623 | return; |
| 4624 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 4625 | be_roce_dev_remove(adapter); |
Somnath Kotur | 8cef7a7 | 2013-03-14 02:41:51 +0000 | [diff] [blame] | 4626 | be_intr_set(adapter, false); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 4627 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4628 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
| 4629 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4630 | unregister_netdev(adapter->netdev); |
| 4631 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4632 | be_clear(adapter); |
| 4633 | |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4634 | /* tell fw we're done with firing cmds */ |
| 4635 | be_cmd_fw_clean(adapter); |
| 4636 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4637 | be_stats_cleanup(adapter); |
| 4638 | |
| 4639 | be_ctrl_cleanup(adapter); |
| 4640 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 4641 | pci_disable_pcie_error_reporting(pdev); |
| 4642 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4643 | pci_release_regions(pdev); |
| 4644 | pci_disable_device(pdev); |
| 4645 | |
| 4646 | free_netdev(adapter->netdev); |
| 4647 | } |
| 4648 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4649 | static int be_get_initial_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4650 | { |
Vasundhara Volam | baaa08d | 2014-01-15 13:23:34 +0530 | [diff] [blame] | 4651 | int status, level; |
Sathya Perla | 43a04fdc | 2009-10-14 20:21:17 +0000 | [diff] [blame] | 4652 | |
Ajit Khaparde | 9e1453c | 2011-02-20 11:42:22 +0000 | [diff] [blame] | 4653 | status = be_cmd_get_cntl_attributes(adapter); |
| 4654 | if (status) |
| 4655 | return status; |
| 4656 | |
Padmanabh Ratnakar | 7aeb215 | 2012-07-12 03:56:46 +0000 | [diff] [blame] | 4657 | /* Must be a power of 2 or else MODULO will BUG_ON */ |
| 4658 | adapter->be_get_temp_freq = 64; |
| 4659 | |
Vasundhara Volam | baaa08d | 2014-01-15 13:23:34 +0530 | [diff] [blame] | 4660 | if (BEx_chip(adapter)) { |
| 4661 | level = be_cmd_get_fw_log_level(adapter); |
| 4662 | adapter->msg_enable = |
| 4663 | level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; |
| 4664 | } |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 4665 | |
Sathya Perla | 92bf14a | 2013-08-27 16:57:32 +0530 | [diff] [blame] | 4666 | adapter->cfg_num_qs = netif_get_num_default_rss_queues(); |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4667 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4668 | } |
| 4669 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4670 | static int lancer_recover_func(struct be_adapter *adapter) |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4671 | { |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4672 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4673 | int status; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4674 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4675 | status = lancer_test_and_set_rdy_state(adapter); |
| 4676 | if (status) |
| 4677 | goto err; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4678 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4679 | if (netif_running(adapter->netdev)) |
| 4680 | be_close(adapter->netdev); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4681 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4682 | be_clear(adapter); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4683 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4684 | be_clear_all_error(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4685 | |
| 4686 | status = be_setup(adapter); |
| 4687 | if (status) |
| 4688 | goto err; |
| 4689 | |
| 4690 | if (netif_running(adapter->netdev)) { |
| 4691 | status = be_open(adapter->netdev); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4692 | if (status) |
| 4693 | goto err; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4694 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4695 | |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 4696 | dev_err(dev, "Adapter recovery successful\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4697 | return 0; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4698 | err: |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4699 | if (status == -EAGAIN) |
| 4700 | dev_err(dev, "Waiting for resource provisioning\n"); |
| 4701 | else |
Somnath Kotur | 4bebb56 | 2013-12-05 12:07:55 +0530 | [diff] [blame] | 4702 | dev_err(dev, "Adapter recovery failed\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4703 | |
| 4704 | return status; |
| 4705 | } |
| 4706 | |
| 4707 | static void be_func_recovery_task(struct work_struct *work) |
| 4708 | { |
| 4709 | struct be_adapter *adapter = |
| 4710 | container_of(work, struct be_adapter, func_recovery_work.work); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4711 | int status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4712 | |
| 4713 | be_detect_error(adapter); |
| 4714 | |
| 4715 | if (adapter->hw_error && lancer_chip(adapter)) { |
| 4716 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4717 | rtnl_lock(); |
| 4718 | netif_device_detach(adapter->netdev); |
| 4719 | rtnl_unlock(); |
| 4720 | |
| 4721 | status = lancer_recover_func(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4722 | if (!status) |
| 4723 | netif_device_attach(adapter->netdev); |
| 4724 | } |
| 4725 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4726 | /* In Lancer, for all errors other than provisioning error (-EAGAIN), |
| 4727 | * no need to attempt further recovery. |
| 4728 | */ |
| 4729 | if (!status || status == -EAGAIN) |
| 4730 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4731 | msecs_to_jiffies(1000)); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4732 | } |
| 4733 | |
| 4734 | static void be_worker(struct work_struct *work) |
| 4735 | { |
| 4736 | struct be_adapter *adapter = |
| 4737 | container_of(work, struct be_adapter, work.work); |
| 4738 | struct be_rx_obj *rxo; |
| 4739 | int i; |
| 4740 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4741 | /* when interrupts are not yet enabled, just reap any pending |
| 4742 | * mcc completions */ |
| 4743 | if (!netif_running(adapter->netdev)) { |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 4744 | local_bh_disable(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4745 | be_process_mcc(adapter); |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 4746 | local_bh_enable(); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4747 | goto reschedule; |
| 4748 | } |
| 4749 | |
| 4750 | if (!adapter->stats_cmd_sent) { |
| 4751 | if (lancer_chip(adapter)) |
| 4752 | lancer_cmd_get_pport_stats(adapter, |
| 4753 | &adapter->stats_cmd); |
| 4754 | else |
| 4755 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
| 4756 | } |
| 4757 | |
Vasundhara Volam | d696b5e | 2013-08-06 09:27:16 +0530 | [diff] [blame] | 4758 | if (be_physfn(adapter) && |
| 4759 | MODULO(adapter->work_counter, adapter->be_get_temp_freq) == 0) |
Padmanabh Ratnakar | 7aeb215 | 2012-07-12 03:56:46 +0000 | [diff] [blame] | 4760 | be_cmd_get_die_temperature(adapter); |
| 4761 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4762 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 6384a4d | 2013-10-25 10:40:16 +0530 | [diff] [blame] | 4763 | /* Replenish RX-queues starved due to memory |
| 4764 | * allocation failures. |
| 4765 | */ |
| 4766 | if (rxo->rx_post_starved) |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4767 | be_post_rx_frags(rxo, GFP_KERNEL); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4768 | } |
| 4769 | |
Sathya Perla | 2632baf | 2013-10-01 16:00:00 +0530 | [diff] [blame] | 4770 | be_eqd_update(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4771 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4772 | reschedule: |
| 4773 | adapter->work_counter++; |
| 4774 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 4775 | } |
| 4776 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 4777 | /* If any VFs are already enabled don't FLR the PF */ |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4778 | static bool be_reset_required(struct be_adapter *adapter) |
| 4779 | { |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 4780 | return pci_num_vf(adapter->pdev) ? false : true; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4781 | } |
| 4782 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 4783 | static char *mc_name(struct be_adapter *adapter) |
| 4784 | { |
Vasundhara Volam | f93f160 | 2014-02-12 16:09:25 +0530 | [diff] [blame] | 4785 | char *str = ""; /* default */ |
| 4786 | |
| 4787 | switch (adapter->mc_type) { |
| 4788 | case UMC: |
| 4789 | str = "UMC"; |
| 4790 | break; |
| 4791 | case FLEX10: |
| 4792 | str = "FLEX10"; |
| 4793 | break; |
| 4794 | case vNIC1: |
| 4795 | str = "vNIC-1"; |
| 4796 | break; |
| 4797 | case nPAR: |
| 4798 | str = "nPAR"; |
| 4799 | break; |
| 4800 | case UFP: |
| 4801 | str = "UFP"; |
| 4802 | break; |
| 4803 | case vNIC2: |
| 4804 | str = "vNIC-2"; |
| 4805 | break; |
| 4806 | default: |
| 4807 | str = ""; |
| 4808 | } |
| 4809 | |
| 4810 | return str; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 4811 | } |
| 4812 | |
| 4813 | static inline char *func_name(struct be_adapter *adapter) |
| 4814 | { |
| 4815 | return be_physfn(adapter) ? "PF" : "VF"; |
| 4816 | } |
| 4817 | |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 4818 | 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] | 4819 | { |
| 4820 | int status = 0; |
| 4821 | struct be_adapter *adapter; |
| 4822 | struct net_device *netdev; |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 4823 | char port_name; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4824 | |
| 4825 | status = pci_enable_device(pdev); |
| 4826 | if (status) |
| 4827 | goto do_none; |
| 4828 | |
| 4829 | status = pci_request_regions(pdev, DRV_NAME); |
| 4830 | if (status) |
| 4831 | goto disable_dev; |
| 4832 | pci_set_master(pdev); |
| 4833 | |
Sathya Perla | 7f64006 | 2012-06-05 19:37:20 +0000 | [diff] [blame] | 4834 | netdev = alloc_etherdev_mqs(sizeof(*adapter), MAX_TX_QS, MAX_RX_QS); |
Kalesh AP | ddf1169 | 2014-07-17 16:20:28 +0530 | [diff] [blame] | 4835 | if (!netdev) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4836 | status = -ENOMEM; |
| 4837 | goto rel_reg; |
| 4838 | } |
| 4839 | adapter = netdev_priv(netdev); |
| 4840 | adapter->pdev = pdev; |
| 4841 | pci_set_drvdata(pdev, adapter); |
| 4842 | adapter->netdev = netdev; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4843 | SET_NETDEV_DEV(netdev, &pdev->dev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4844 | |
Russell King | 4c15c24 | 2013-06-26 23:49:11 +0100 | [diff] [blame] | 4845 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4846 | if (!status) { |
| 4847 | netdev->features |= NETIF_F_HIGHDMA; |
| 4848 | } else { |
Russell King | 4c15c24 | 2013-06-26 23:49:11 +0100 | [diff] [blame] | 4849 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4850 | if (status) { |
| 4851 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); |
| 4852 | goto free_netdev; |
| 4853 | } |
| 4854 | } |
| 4855 | |
Ajit Khaparde | ea58c18 | 2013-10-18 16:06:24 -0500 | [diff] [blame] | 4856 | if (be_physfn(adapter)) { |
| 4857 | status = pci_enable_pcie_error_reporting(pdev); |
| 4858 | if (!status) |
| 4859 | dev_info(&pdev->dev, "PCIe error reporting enabled\n"); |
| 4860 | } |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 4861 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4862 | status = be_ctrl_init(adapter); |
| 4863 | if (status) |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4864 | goto free_netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4865 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4866 | /* sync up with fw's ready state */ |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4867 | if (be_physfn(adapter)) { |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4868 | status = be_fw_wait_ready(adapter); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4869 | if (status) |
| 4870 | goto ctrl_clean; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4871 | } |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4872 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4873 | if (be_reset_required(adapter)) { |
| 4874 | status = be_cmd_reset_function(adapter); |
| 4875 | if (status) |
| 4876 | goto ctrl_clean; |
Sarveshwar Bandi | 556ae19 | 2010-05-24 18:38:25 -0700 | [diff] [blame] | 4877 | |
Kalesh AP | 2d177be | 2013-04-28 22:22:29 +0000 | [diff] [blame] | 4878 | /* Wait for interrupts to quiesce after an FLR */ |
| 4879 | msleep(100); |
| 4880 | } |
Somnath Kotur | 8cef7a7 | 2013-03-14 02:41:51 +0000 | [diff] [blame] | 4881 | |
| 4882 | /* Allow interrupts for other ULPs running on NIC function */ |
| 4883 | be_intr_set(adapter, true); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4884 | |
Kalesh AP | 2d177be | 2013-04-28 22:22:29 +0000 | [diff] [blame] | 4885 | /* tell fw we're ready to fire cmds */ |
| 4886 | status = be_cmd_fw_init(adapter); |
| 4887 | if (status) |
| 4888 | goto ctrl_clean; |
| 4889 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4890 | status = be_stats_init(adapter); |
| 4891 | if (status) |
| 4892 | goto ctrl_clean; |
| 4893 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4894 | status = be_get_initial_config(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4895 | if (status) |
| 4896 | goto stats_clean; |
| 4897 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4898 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4899 | INIT_DELAYED_WORK(&adapter->func_recovery_work, be_func_recovery_task); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4900 | adapter->rx_fc = adapter->tx_fc = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4901 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4902 | status = be_setup(adapter); |
| 4903 | if (status) |
Sathya Perla | 55f5c3c | 2012-09-28 04:39:42 +0000 | [diff] [blame] | 4904 | goto stats_clean; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4905 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 4906 | be_netdev_init(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4907 | status = register_netdev(netdev); |
| 4908 | if (status != 0) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4909 | goto unsetup; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4910 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 4911 | be_roce_dev_add(adapter); |
| 4912 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4913 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4914 | msecs_to_jiffies(1000)); |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 4915 | |
| 4916 | be_cmd_query_port_name(adapter, &port_name); |
| 4917 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 4918 | dev_info(&pdev->dev, "%s: %s %s port %c\n", nic_name(pdev), |
| 4919 | func_name(adapter), mc_name(adapter), port_name); |
Somnath Kotur | 34b1ef0 | 2011-06-01 00:33:22 +0000 | [diff] [blame] | 4920 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4921 | return 0; |
| 4922 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4923 | unsetup: |
| 4924 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4925 | stats_clean: |
| 4926 | be_stats_cleanup(adapter); |
| 4927 | ctrl_clean: |
| 4928 | be_ctrl_cleanup(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4929 | free_netdev: |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 4930 | free_netdev(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4931 | rel_reg: |
| 4932 | pci_release_regions(pdev); |
| 4933 | disable_dev: |
| 4934 | pci_disable_device(pdev); |
| 4935 | do_none: |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 4936 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4937 | return status; |
| 4938 | } |
| 4939 | |
| 4940 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) |
| 4941 | { |
| 4942 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4943 | struct net_device *netdev = adapter->netdev; |
| 4944 | |
Suresh Reddy | 76a9e08 | 2014-01-15 13:23:40 +0530 | [diff] [blame] | 4945 | if (adapter->wol_en) |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 4946 | be_setup_wol(adapter, true); |
| 4947 | |
Ajit Khaparde | d4360d6 | 2013-11-22 12:51:09 -0600 | [diff] [blame] | 4948 | be_intr_set(adapter, false); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4949 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
| 4950 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4951 | netif_device_detach(netdev); |
| 4952 | if (netif_running(netdev)) { |
| 4953 | rtnl_lock(); |
| 4954 | be_close(netdev); |
| 4955 | rtnl_unlock(); |
| 4956 | } |
Sarveshwar Bandi | 9b0365f | 2009-08-12 21:01:29 +0000 | [diff] [blame] | 4957 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4958 | |
| 4959 | pci_save_state(pdev); |
| 4960 | pci_disable_device(pdev); |
| 4961 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 4962 | return 0; |
| 4963 | } |
| 4964 | |
| 4965 | static int be_resume(struct pci_dev *pdev) |
| 4966 | { |
| 4967 | int status = 0; |
| 4968 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4969 | struct net_device *netdev = adapter->netdev; |
| 4970 | |
| 4971 | netif_device_detach(netdev); |
| 4972 | |
| 4973 | status = pci_enable_device(pdev); |
| 4974 | if (status) |
| 4975 | return status; |
| 4976 | |
Yijing Wang | 1ca0151 | 2013-06-27 20:53:42 +0800 | [diff] [blame] | 4977 | pci_set_power_state(pdev, PCI_D0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4978 | pci_restore_state(pdev); |
| 4979 | |
Sarveshwar Bandi | dd5746b | 2013-08-23 14:59:33 +0530 | [diff] [blame] | 4980 | status = be_fw_wait_ready(adapter); |
| 4981 | if (status) |
| 4982 | return status; |
| 4983 | |
Ajit Khaparde | d4360d6 | 2013-11-22 12:51:09 -0600 | [diff] [blame] | 4984 | be_intr_set(adapter, true); |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4985 | /* tell fw we're ready to fire cmds */ |
| 4986 | status = be_cmd_fw_init(adapter); |
| 4987 | if (status) |
| 4988 | return status; |
| 4989 | |
Sarveshwar Bandi | 9b0365f | 2009-08-12 21:01:29 +0000 | [diff] [blame] | 4990 | be_setup(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4991 | if (netif_running(netdev)) { |
| 4992 | rtnl_lock(); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4993 | be_open(netdev); |
| 4994 | rtnl_unlock(); |
| 4995 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4996 | |
| 4997 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4998 | msecs_to_jiffies(1000)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4999 | netif_device_attach(netdev); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 5000 | |
Suresh Reddy | 76a9e08 | 2014-01-15 13:23:40 +0530 | [diff] [blame] | 5001 | if (adapter->wol_en) |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 5002 | be_setup_wol(adapter, false); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 5003 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5004 | return 0; |
| 5005 | } |
| 5006 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5007 | /* |
| 5008 | * An FLR will stop BE from DMAing any data. |
| 5009 | */ |
| 5010 | static void be_shutdown(struct pci_dev *pdev) |
| 5011 | { |
| 5012 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5013 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 5014 | if (!adapter) |
| 5015 | return; |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5016 | |
Sathya Perla | 0f4a682 | 2011-03-21 20:49:28 +0000 | [diff] [blame] | 5017 | cancel_delayed_work_sync(&adapter->work); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5018 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 5019 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 5020 | netif_device_detach(adapter->netdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5021 | |
Ajit Khaparde | 5784186 | 2011-04-06 18:08:43 +0000 | [diff] [blame] | 5022 | be_cmd_reset_function(adapter); |
| 5023 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5024 | pci_disable_device(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5025 | } |
| 5026 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5027 | 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] | 5028 | pci_channel_state_t state) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5029 | { |
| 5030 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5031 | struct net_device *netdev = adapter->netdev; |
| 5032 | |
| 5033 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); |
| 5034 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5035 | if (!adapter->eeh_error) { |
| 5036 | adapter->eeh_error = true; |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5037 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5038 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5039 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5040 | rtnl_lock(); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5041 | netif_device_detach(netdev); |
| 5042 | if (netif_running(netdev)) |
| 5043 | be_close(netdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5044 | rtnl_unlock(); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5045 | |
| 5046 | be_clear(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5047 | } |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5048 | |
| 5049 | if (state == pci_channel_io_perm_failure) |
| 5050 | return PCI_ERS_RESULT_DISCONNECT; |
| 5051 | |
| 5052 | pci_disable_device(pdev); |
| 5053 | |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 5054 | /* The error could cause the FW to trigger a flash debug dump. |
| 5055 | * Resetting the card while flash dump is in progress |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 5056 | * can cause it not to recover; wait for it to finish. |
| 5057 | * Wait only for first function as it is needed only once per |
| 5058 | * adapter. |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 5059 | */ |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 5060 | if (pdev->devfn == 0) |
| 5061 | ssleep(30); |
| 5062 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5063 | return PCI_ERS_RESULT_NEED_RESET; |
| 5064 | } |
| 5065 | |
| 5066 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) |
| 5067 | { |
| 5068 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5069 | int status; |
| 5070 | |
| 5071 | dev_info(&adapter->pdev->dev, "EEH reset\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5072 | |
| 5073 | status = pci_enable_device(pdev); |
| 5074 | if (status) |
| 5075 | return PCI_ERS_RESULT_DISCONNECT; |
| 5076 | |
| 5077 | pci_set_master(pdev); |
Yijing Wang | 1ca0151 | 2013-06-27 20:53:42 +0800 | [diff] [blame] | 5078 | pci_set_power_state(pdev, PCI_D0); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5079 | pci_restore_state(pdev); |
| 5080 | |
| 5081 | /* Check if card is ok and fw is ready */ |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 5082 | dev_info(&adapter->pdev->dev, |
| 5083 | "Waiting for FW to be ready after EEH reset\n"); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 5084 | status = be_fw_wait_ready(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5085 | if (status) |
| 5086 | return PCI_ERS_RESULT_DISCONNECT; |
| 5087 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 5088 | pci_cleanup_aer_uncorrect_error_status(pdev); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 5089 | be_clear_all_error(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5090 | return PCI_ERS_RESULT_RECOVERED; |
| 5091 | } |
| 5092 | |
| 5093 | static void be_eeh_resume(struct pci_dev *pdev) |
| 5094 | { |
| 5095 | int status = 0; |
| 5096 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 5097 | struct net_device *netdev = adapter->netdev; |
| 5098 | |
| 5099 | dev_info(&adapter->pdev->dev, "EEH resume\n"); |
| 5100 | |
| 5101 | pci_save_state(pdev); |
| 5102 | |
Kalesh AP | 2d177be | 2013-04-28 22:22:29 +0000 | [diff] [blame] | 5103 | status = be_cmd_reset_function(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5104 | if (status) |
| 5105 | goto err; |
| 5106 | |
Kalesh AP | 03a58ba | 2014-05-13 14:03:11 +0530 | [diff] [blame] | 5107 | /* On some BE3 FW versions, after a HW reset, |
| 5108 | * interrupts will remain disabled for each function. |
| 5109 | * So, explicitly enable interrupts |
| 5110 | */ |
| 5111 | be_intr_set(adapter, true); |
| 5112 | |
Kalesh AP | 2d177be | 2013-04-28 22:22:29 +0000 | [diff] [blame] | 5113 | /* tell fw we're ready to fire cmds */ |
| 5114 | status = be_cmd_fw_init(adapter); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 5115 | if (status) |
| 5116 | goto err; |
| 5117 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5118 | status = be_setup(adapter); |
| 5119 | if (status) |
| 5120 | goto err; |
| 5121 | |
| 5122 | if (netif_running(netdev)) { |
| 5123 | status = be_open(netdev); |
| 5124 | if (status) |
| 5125 | goto err; |
| 5126 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 5127 | |
| 5128 | schedule_delayed_work(&adapter->func_recovery_work, |
| 5129 | msecs_to_jiffies(1000)); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5130 | netif_device_attach(netdev); |
| 5131 | return; |
| 5132 | err: |
| 5133 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5134 | } |
| 5135 | |
Stephen Hemminger | 3646f0e | 2012-09-07 09:33:15 -0700 | [diff] [blame] | 5136 | static const struct pci_error_handlers be_eeh_handlers = { |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5137 | .error_detected = be_eeh_err_detected, |
| 5138 | .slot_reset = be_eeh_reset, |
| 5139 | .resume = be_eeh_resume, |
| 5140 | }; |
| 5141 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5142 | static struct pci_driver be_driver = { |
| 5143 | .name = DRV_NAME, |
| 5144 | .id_table = be_dev_ids, |
| 5145 | .probe = be_probe, |
| 5146 | .remove = be_remove, |
| 5147 | .suspend = be_suspend, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5148 | .resume = be_resume, |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 5149 | .shutdown = be_shutdown, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 5150 | .err_handler = &be_eeh_handlers |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5151 | }; |
| 5152 | |
| 5153 | static int __init be_init_module(void) |
| 5154 | { |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 5155 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
| 5156 | rx_frag_size != 2048) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5157 | printk(KERN_WARNING DRV_NAME |
| 5158 | " : Module param rx_frag_size must be 2048/4096/8192." |
| 5159 | " Using 2048\n"); |
| 5160 | rx_frag_size = 2048; |
| 5161 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5162 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 5163 | return pci_register_driver(&be_driver); |
| 5164 | } |
| 5165 | module_init(be_init_module); |
| 5166 | |
| 5167 | static void __exit be_exit_module(void) |
| 5168 | { |
| 5169 | pci_unregister_driver(&be_driver); |
| 5170 | } |
| 5171 | module_exit(be_exit_module); |