Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1 | /* |
Vasundhara Volam | c7bb15a | 2013-03-06 20:05:05 +0000 | [diff] [blame] | 2 | * Copyright (C) 2005 - 2013 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> |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 24 | |
| 25 | MODULE_VERSION(DRV_VER); |
| 26 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
| 27 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); |
Sarveshwar Bandi | 00d3d51 | 2013-01-28 04:17:01 +0000 | [diff] [blame] | 28 | MODULE_AUTHOR("Emulex Corporation"); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 29 | MODULE_LICENSE("GPL"); |
| 30 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 31 | static unsigned int num_vfs; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 32 | module_param(num_vfs, uint, S_IRUGO); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 33 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 34 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 35 | static ushort rx_frag_size = 2048; |
| 36 | module_param(rx_frag_size, ushort, S_IRUGO); |
| 37 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
| 38 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 39 | static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 40 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
Ajit Khaparde | 59fd5d8 | 2009-10-29 01:11:06 -0700 | [diff] [blame] | 41 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 42 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
| 43 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 44 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
Mammatha Edhala | 12f4d0a | 2011-05-18 03:26:22 +0000 | [diff] [blame] | 45 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, |
Ajit Khaparde | ecedb6a | 2011-12-15 06:31:38 +0000 | [diff] [blame] | 46 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID5)}, |
Padmanabh Ratnakar | 76b7353 | 2012-10-20 06:04:40 +0000 | [diff] [blame] | 47 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID6)}, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 48 | { 0 } |
| 49 | }; |
| 50 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 51 | /* UE Status Low CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 52 | static const char * const ue_status_low_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 53 | "CEV", |
| 54 | "CTX", |
| 55 | "DBUF", |
| 56 | "ERX", |
| 57 | "Host", |
| 58 | "MPU", |
| 59 | "NDMA", |
| 60 | "PTC ", |
| 61 | "RDMA ", |
| 62 | "RXF ", |
| 63 | "RXIPS ", |
| 64 | "RXULP0 ", |
| 65 | "RXULP1 ", |
| 66 | "RXULP2 ", |
| 67 | "TIM ", |
| 68 | "TPOST ", |
| 69 | "TPRE ", |
| 70 | "TXIPS ", |
| 71 | "TXULP0 ", |
| 72 | "TXULP1 ", |
| 73 | "UC ", |
| 74 | "WDMA ", |
| 75 | "TXULP2 ", |
| 76 | "HOST1 ", |
| 77 | "P0_OB_LINK ", |
| 78 | "P1_OB_LINK ", |
| 79 | "HOST_GPIO ", |
| 80 | "MBOX ", |
| 81 | "AXGMAC0", |
| 82 | "AXGMAC1", |
| 83 | "JTAG", |
| 84 | "MPU_INTPEND" |
| 85 | }; |
| 86 | /* UE Status High CSR */ |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 87 | static const char * const ue_status_hi_desc[] = { |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 88 | "LPCMEMHOST", |
| 89 | "MGMT_MAC", |
| 90 | "PCS0ONLINE", |
| 91 | "MPU_IRAM", |
| 92 | "PCS1ONLINE", |
| 93 | "PCTL0", |
| 94 | "PCTL1", |
| 95 | "PMEM", |
| 96 | "RR", |
| 97 | "TXPB", |
| 98 | "RXPP", |
| 99 | "XAUI", |
| 100 | "TXP", |
| 101 | "ARM", |
| 102 | "IPC", |
| 103 | "HOST2", |
| 104 | "HOST3", |
| 105 | "HOST4", |
| 106 | "HOST5", |
| 107 | "HOST6", |
| 108 | "HOST7", |
| 109 | "HOST8", |
| 110 | "HOST9", |
Joe Perches | 42c8b11 | 2011-07-09 02:56:56 -0700 | [diff] [blame] | 111 | "NETC", |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 112 | "Unknown", |
| 113 | "Unknown", |
| 114 | "Unknown", |
| 115 | "Unknown", |
| 116 | "Unknown", |
| 117 | "Unknown", |
| 118 | "Unknown", |
| 119 | "Unknown" |
| 120 | }; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 121 | |
Sathya Perla | 752961a | 2011-10-24 02:45:03 +0000 | [diff] [blame] | 122 | /* Is BE in a multi-channel mode */ |
| 123 | static inline bool be_is_mc(struct be_adapter *adapter) { |
| 124 | return (adapter->function_mode & FLEX10_MODE || |
| 125 | adapter->function_mode & VNIC_MODE || |
| 126 | adapter->function_mode & UMC_ENABLED); |
| 127 | } |
| 128 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 129 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
| 130 | { |
| 131 | struct be_dma_mem *mem = &q->dma_mem; |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 132 | if (mem->va) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 133 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 134 | mem->dma); |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 135 | mem->va = NULL; |
| 136 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, |
| 140 | u16 len, u16 entry_size) |
| 141 | { |
| 142 | struct be_dma_mem *mem = &q->dma_mem; |
| 143 | |
| 144 | memset(q, 0, sizeof(*q)); |
| 145 | q->len = len; |
| 146 | q->entry_size = entry_size; |
| 147 | mem->size = len * entry_size; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 148 | mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 149 | GFP_KERNEL | __GFP_ZERO); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 150 | if (!mem->va) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 151 | return -ENOMEM; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 152 | return 0; |
| 153 | } |
| 154 | |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 155 | static void be_reg_intr_set(struct be_adapter *adapter, bool enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 156 | { |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 157 | u32 reg, enabled; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 158 | |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 159 | pci_read_config_dword(adapter->pdev, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, |
| 160 | ®); |
| 161 | enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
| 162 | |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 163 | if (!enabled && enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 164 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 165 | else if (enabled && !enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 166 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 167 | else |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 168 | return; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 169 | |
Sathya Perla | db3ea78 | 2011-08-22 19:41:52 +0000 | [diff] [blame] | 170 | pci_write_config_dword(adapter->pdev, |
| 171 | PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, reg); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 172 | } |
| 173 | |
Somnath Kotur | 68c45a2 | 2013-03-14 02:42:07 +0000 | [diff] [blame] | 174 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
| 175 | { |
| 176 | int status = 0; |
| 177 | |
| 178 | /* On lancer interrupts can't be controlled via this register */ |
| 179 | if (lancer_chip(adapter)) |
| 180 | return; |
| 181 | |
| 182 | if (adapter->eeh_error) |
| 183 | return; |
| 184 | |
| 185 | status = be_cmd_intr_set(adapter, enable); |
| 186 | if (status) |
| 187 | be_reg_intr_set(adapter, enable); |
| 188 | } |
| 189 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 190 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 191 | { |
| 192 | u32 val = 0; |
| 193 | val |= qid & DB_RQ_RING_ID_MASK; |
| 194 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 195 | |
| 196 | wmb(); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 197 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 200 | static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 201 | u16 posted) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 202 | { |
| 203 | u32 val = 0; |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 204 | val |= txo->q.id & DB_TXULP_RING_ID_MASK; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 205 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 206 | |
| 207 | wmb(); |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 208 | iowrite32(val, adapter->db + txo->db_offset); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 209 | } |
| 210 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 211 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 212 | bool arm, bool clear_int, u16 num_popped) |
| 213 | { |
| 214 | u32 val = 0; |
| 215 | val |= qid & DB_EQ_RING_ID_MASK; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 216 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
| 217 | DB_EQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 218 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 219 | if (adapter->eeh_error) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 220 | return; |
| 221 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 222 | if (arm) |
| 223 | val |= 1 << DB_EQ_REARM_SHIFT; |
| 224 | if (clear_int) |
| 225 | val |= 1 << DB_EQ_CLR_SHIFT; |
| 226 | val |= 1 << DB_EQ_EVNT_SHIFT; |
| 227 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 228 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 229 | } |
| 230 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 231 | 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] | 232 | { |
| 233 | u32 val = 0; |
| 234 | val |= qid & DB_CQ_RING_ID_MASK; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 235 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
| 236 | DB_CQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 237 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 238 | if (adapter->eeh_error) |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 239 | return; |
| 240 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 241 | if (arm) |
| 242 | val |= 1 << DB_CQ_REARM_SHIFT; |
| 243 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 244 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 245 | } |
| 246 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 247 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
| 248 | { |
| 249 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 250 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 251 | struct sockaddr *addr = p; |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 252 | int status; |
| 253 | u8 mac[ETH_ALEN]; |
| 254 | u32 old_pmac_id = adapter->pmac_id[0], curr_pmac_id = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 255 | |
Ajit Khaparde | ca9e498 | 2009-11-29 17:56:26 +0000 | [diff] [blame] | 256 | if (!is_valid_ether_addr(addr->sa_data)) |
| 257 | return -EADDRNOTAVAIL; |
| 258 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 259 | /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT |
| 260 | * privilege or if PF did not provision the new MAC address. |
| 261 | * On BE3, this cmd will always fail if the VF doesn't have the |
| 262 | * FILTMGMT privilege. This failure is OK, only if the PF programmed |
| 263 | * the MAC for the VF. |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 264 | */ |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 265 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
| 266 | adapter->if_handle, &adapter->pmac_id[0], 0); |
| 267 | if (!status) { |
| 268 | curr_pmac_id = adapter->pmac_id[0]; |
| 269 | |
| 270 | /* Delete the old programmed MAC. This call may fail if the |
| 271 | * old MAC was already deleted by the PF driver. |
| 272 | */ |
| 273 | if (adapter->pmac_id[0] != old_pmac_id) |
| 274 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 275 | old_pmac_id, 0); |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 276 | } |
| 277 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 278 | /* Decide if the new MAC is successfully activated only after |
| 279 | * querying the FW |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 280 | */ |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 281 | status = be_cmd_get_active_mac(adapter, curr_pmac_id, mac); |
Sathya Perla | a65027e | 2009-08-17 00:58:04 +0000 | [diff] [blame] | 282 | if (status) |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 283 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 284 | |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 285 | /* The MAC change did not happen, either due to lack of privilege |
| 286 | * or PF didn't pre-provision. |
| 287 | */ |
| 288 | if (memcmp(addr->sa_data, mac, ETH_ALEN)) { |
| 289 | status = -EPERM; |
| 290 | goto err; |
| 291 | } |
| 292 | |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 293 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 294 | dev_info(dev, "MAC address changed to %pM\n", mac); |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 295 | return 0; |
| 296 | err: |
Sathya Perla | 5a712c1 | 2013-07-23 15:24:59 +0530 | [diff] [blame] | 297 | 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] | 298 | return status; |
| 299 | } |
| 300 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 301 | /* BE2 supports only v0 cmd */ |
| 302 | static void *hw_stats_from_cmd(struct be_adapter *adapter) |
| 303 | { |
| 304 | if (BE2_chip(adapter)) { |
| 305 | struct be_cmd_resp_get_stats_v0 *cmd = adapter->stats_cmd.va; |
| 306 | |
| 307 | return &cmd->hw_stats; |
| 308 | } else { |
| 309 | struct be_cmd_resp_get_stats_v1 *cmd = adapter->stats_cmd.va; |
| 310 | |
| 311 | return &cmd->hw_stats; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | /* BE2 supports only v0 cmd */ |
| 316 | static void *be_erx_stats_from_cmd(struct be_adapter *adapter) |
| 317 | { |
| 318 | if (BE2_chip(adapter)) { |
| 319 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 320 | |
| 321 | return &hw_stats->erx; |
| 322 | } else { |
| 323 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 324 | |
| 325 | return &hw_stats->erx; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | static void populate_be_v0_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 330 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 331 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
| 332 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 333 | struct be_rxf_stats_v0 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 334 | struct be_port_rxf_stats_v0 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 335 | &rxf_stats->port[adapter->port_num]; |
| 336 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 337 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 338 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 339 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 340 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 341 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 342 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 343 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 344 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 345 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 346 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 347 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 348 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; |
| 349 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 350 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 351 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 352 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 353 | drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 354 | drvs->rx_dropped_header_too_small = |
| 355 | port_stats->rx_dropped_header_too_small; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 356 | drvs->rx_address_filtered = |
| 357 | port_stats->rx_address_filtered + |
| 358 | port_stats->rx_vlan_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 359 | drvs->rx_alignment_symbol_errors = |
| 360 | port_stats->rx_alignment_symbol_errors; |
| 361 | |
| 362 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 363 | drvs->tx_controlframes = port_stats->tx_controlframes; |
| 364 | |
| 365 | if (adapter->port_num) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 366 | drvs->jabber_events = rxf_stats->port1_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 367 | else |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 368 | drvs->jabber_events = rxf_stats->port0_jabber_events; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 369 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 370 | 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] | 371 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 372 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 373 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 374 | 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] | 375 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 376 | } |
| 377 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 378 | static void populate_be_v1_stats(struct be_adapter *adapter) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 379 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 380 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
| 381 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; |
| 382 | struct be_rxf_stats_v1 *rxf_stats = &hw_stats->rxf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 383 | struct be_port_rxf_stats_v1 *port_stats = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 384 | &rxf_stats->port[adapter->port_num]; |
| 385 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 386 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 387 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
Ajit Khaparde | 02fe702 | 2011-12-09 13:53:09 +0000 | [diff] [blame] | 388 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
| 389 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 390 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
| 391 | drvs->rx_crc_errors = port_stats->rx_crc_errors; |
| 392 | drvs->rx_control_frames = port_stats->rx_control_frames; |
| 393 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; |
| 394 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; |
| 395 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; |
| 396 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; |
| 397 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; |
| 398 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; |
| 399 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; |
| 400 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; |
| 401 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; |
| 402 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; |
| 403 | drvs->rx_dropped_header_too_small = |
| 404 | port_stats->rx_dropped_header_too_small; |
| 405 | drvs->rx_input_fifo_overflow_drop = |
| 406 | port_stats->rx_input_fifo_overflow_drop; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 407 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 408 | drvs->rx_alignment_symbol_errors = |
| 409 | port_stats->rx_alignment_symbol_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 410 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 411 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
| 412 | drvs->tx_controlframes = port_stats->tx_controlframes; |
Ajit Khaparde | b5adffc4 | 2013-05-01 09:38:00 +0000 | [diff] [blame] | 413 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 414 | drvs->jabber_events = port_stats->jabber_events; |
| 415 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 416 | 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] | 417 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 418 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 419 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 420 | 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] | 421 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 422 | } |
| 423 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 424 | static void populate_lancer_stats(struct be_adapter *adapter) |
| 425 | { |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 426 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 427 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 428 | struct lancer_pport_stats *pport_stats = |
| 429 | pport_stats_from_cmd(adapter); |
| 430 | |
| 431 | be_dws_le_to_cpu(pport_stats, sizeof(*pport_stats)); |
| 432 | drvs->rx_pause_frames = pport_stats->rx_pause_frames_lo; |
| 433 | drvs->rx_crc_errors = pport_stats->rx_crc_errors_lo; |
| 434 | drvs->rx_control_frames = pport_stats->rx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 435 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 436 | drvs->rx_frame_too_long = pport_stats->rx_frames_too_long_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 437 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; |
| 438 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; |
| 439 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; |
| 440 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; |
| 441 | drvs->rx_dropped_tcp_length = |
| 442 | pport_stats->rx_dropped_invalid_tcp_length; |
| 443 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; |
| 444 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; |
| 445 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; |
| 446 | drvs->rx_dropped_header_too_small = |
| 447 | pport_stats->rx_dropped_header_too_small; |
| 448 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Suresh Reddy | 18fb06a | 2013-04-25 23:03:21 +0000 | [diff] [blame] | 449 | drvs->rx_address_filtered = |
| 450 | pport_stats->rx_address_filtered + |
| 451 | pport_stats->rx_vlan_filtered; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 452 | drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 453 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 454 | drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; |
| 455 | drvs->tx_controlframes = pport_stats->tx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 456 | drvs->jabber_events = pport_stats->rx_jabbers; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 457 | drvs->forwarded_packets = pport_stats->num_forwards_lo; |
| 458 | drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 459 | drvs->rx_drops_too_many_frags = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 460 | pport_stats->rx_drops_too_many_frags_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 461 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 462 | |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 463 | static void accumulate_16bit_val(u32 *acc, u16 val) |
| 464 | { |
| 465 | #define lo(x) (x & 0xFFFF) |
| 466 | #define hi(x) (x & 0xFFFF0000) |
| 467 | bool wrapped = val < lo(*acc); |
| 468 | u32 newacc = hi(*acc) + val; |
| 469 | |
| 470 | if (wrapped) |
| 471 | newacc += 65536; |
| 472 | ACCESS_ONCE(*acc) = newacc; |
| 473 | } |
| 474 | |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 475 | void populate_erx_stats(struct be_adapter *adapter, |
| 476 | struct be_rx_obj *rxo, |
| 477 | u32 erx_stat) |
| 478 | { |
| 479 | if (!BEx_chip(adapter)) |
| 480 | rx_stats(rxo)->rx_drops_no_frags = erx_stat; |
| 481 | else |
| 482 | /* below erx HW counter can actually wrap around after |
| 483 | * 65535. Driver accumulates a 32-bit value |
| 484 | */ |
| 485 | accumulate_16bit_val(&rx_stats(rxo)->rx_drops_no_frags, |
| 486 | (u16)erx_stat); |
| 487 | } |
| 488 | |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 489 | void be_parse_stats(struct be_adapter *adapter) |
| 490 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 491 | struct be_erx_stats_v1 *erx = be_erx_stats_from_cmd(adapter); |
| 492 | struct be_rx_obj *rxo; |
| 493 | int i; |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 494 | u32 erx_stat; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 495 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 496 | if (lancer_chip(adapter)) { |
| 497 | populate_lancer_stats(adapter); |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 498 | } else { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 499 | if (BE2_chip(adapter)) |
| 500 | populate_be_v0_stats(adapter); |
| 501 | else |
| 502 | /* for BE3 and Skyhawk */ |
| 503 | populate_be_v1_stats(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 504 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 505 | /* as erx_v1 is longer than v0, ok to use v1 for v0 access */ |
| 506 | for_all_rx_queues(adapter, rxo, i) { |
Ajit Khaparde | a6c578e | 2013-05-01 09:37:27 +0000 | [diff] [blame] | 507 | erx_stat = erx->rx_drops_no_fragments[rxo->q.id]; |
| 508 | populate_erx_stats(adapter, rxo, erx_stat); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 509 | } |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 510 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 511 | } |
| 512 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 513 | static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, |
| 514 | struct rtnl_link_stats64 *stats) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 515 | { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 516 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 517 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 518 | struct be_rx_obj *rxo; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 519 | struct be_tx_obj *txo; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 520 | u64 pkts, bytes; |
| 521 | unsigned int start; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 522 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 523 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 524 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 525 | const struct be_rx_stats *rx_stats = rx_stats(rxo); |
| 526 | do { |
| 527 | start = u64_stats_fetch_begin_bh(&rx_stats->sync); |
| 528 | pkts = rx_stats(rxo)->rx_pkts; |
| 529 | bytes = rx_stats(rxo)->rx_bytes; |
| 530 | } while (u64_stats_fetch_retry_bh(&rx_stats->sync, start)); |
| 531 | stats->rx_packets += pkts; |
| 532 | stats->rx_bytes += bytes; |
| 533 | stats->multicast += rx_stats(rxo)->rx_mcast_pkts; |
| 534 | stats->rx_dropped += rx_stats(rxo)->rx_drops_no_skbs + |
| 535 | rx_stats(rxo)->rx_drops_no_frags; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 536 | } |
| 537 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 538 | for_all_tx_queues(adapter, txo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 539 | const struct be_tx_stats *tx_stats = tx_stats(txo); |
| 540 | do { |
| 541 | start = u64_stats_fetch_begin_bh(&tx_stats->sync); |
| 542 | pkts = tx_stats(txo)->tx_pkts; |
| 543 | bytes = tx_stats(txo)->tx_bytes; |
| 544 | } while (u64_stats_fetch_retry_bh(&tx_stats->sync, start)); |
| 545 | stats->tx_packets += pkts; |
| 546 | stats->tx_bytes += bytes; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 547 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 548 | |
| 549 | /* bad pkts received */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 550 | stats->rx_errors = drvs->rx_crc_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 551 | drvs->rx_alignment_symbol_errors + |
| 552 | drvs->rx_in_range_errors + |
| 553 | drvs->rx_out_range_errors + |
| 554 | drvs->rx_frame_too_long + |
| 555 | drvs->rx_dropped_too_small + |
| 556 | drvs->rx_dropped_too_short + |
| 557 | drvs->rx_dropped_header_too_small + |
| 558 | drvs->rx_dropped_tcp_length + |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 559 | drvs->rx_dropped_runt; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 560 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 561 | /* detailed rx errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 562 | stats->rx_length_errors = drvs->rx_in_range_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 563 | drvs->rx_out_range_errors + |
| 564 | drvs->rx_frame_too_long; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 565 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 566 | stats->rx_crc_errors = drvs->rx_crc_errors; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 567 | |
| 568 | /* frame alignment errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 569 | stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 570 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 571 | /* receiver fifo overrun */ |
| 572 | /* 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] | 573 | stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 574 | drvs->rx_input_fifo_overflow_drop + |
| 575 | drvs->rx_drops_no_pbuf; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 576 | return stats; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 577 | } |
| 578 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 579 | void be_link_status_update(struct be_adapter *adapter, u8 link_status) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 580 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 581 | struct net_device *netdev = adapter->netdev; |
| 582 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 583 | if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { |
Sathya Perla | ea172a0 | 2011-08-02 19:57:42 +0000 | [diff] [blame] | 584 | netif_carrier_off(netdev); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 585 | adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 586 | } |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 587 | |
| 588 | if ((link_status & LINK_STATUS_MASK) == LINK_UP) |
| 589 | netif_carrier_on(netdev); |
| 590 | else |
| 591 | netif_carrier_off(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 592 | } |
| 593 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 594 | static void be_tx_stats_update(struct be_tx_obj *txo, |
Ajit Khaparde | 91992e4 | 2010-02-19 13:57:12 +0000 | [diff] [blame] | 595 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 596 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 597 | struct be_tx_stats *stats = tx_stats(txo); |
| 598 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 599 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 600 | stats->tx_reqs++; |
| 601 | stats->tx_wrbs += wrb_cnt; |
| 602 | stats->tx_bytes += copied; |
| 603 | stats->tx_pkts += (gso_segs ? gso_segs : 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 604 | if (stopped) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 605 | stats->tx_stops++; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 606 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 607 | } |
| 608 | |
| 609 | /* Determine number of WRB entries needed to xmit data in an skb */ |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 610 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
| 611 | bool *dummy) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 612 | { |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 613 | int cnt = (skb->len > skb->data_len); |
| 614 | |
| 615 | cnt += skb_shinfo(skb)->nr_frags; |
| 616 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 617 | /* to account for hdr wrb */ |
| 618 | cnt++; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 619 | if (lancer_chip(adapter) || !(cnt & 1)) { |
| 620 | *dummy = false; |
| 621 | } else { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 622 | /* add a dummy to make it an even num */ |
| 623 | cnt++; |
| 624 | *dummy = true; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 625 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 626 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
| 627 | return cnt; |
| 628 | } |
| 629 | |
| 630 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) |
| 631 | { |
| 632 | wrb->frag_pa_hi = upper_32_bits(addr); |
| 633 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; |
| 634 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; |
Somnath Kotur | 89b1f49 | 2012-06-24 19:40:55 +0000 | [diff] [blame] | 635 | wrb->rsvd0 = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 636 | } |
| 637 | |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 638 | static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, |
| 639 | struct sk_buff *skb) |
| 640 | { |
| 641 | u8 vlan_prio; |
| 642 | u16 vlan_tag; |
| 643 | |
| 644 | vlan_tag = vlan_tx_tag_get(skb); |
| 645 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; |
| 646 | /* If vlan priority provided by OS is NOT in available bmap */ |
| 647 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) |
| 648 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | |
| 649 | adapter->recommended_prio; |
| 650 | |
| 651 | return vlan_tag; |
| 652 | } |
| 653 | |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 654 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 655 | struct sk_buff *skb, u32 wrb_cnt, u32 len, bool skip_hw_vlan) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 656 | { |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 657 | u16 vlan_tag; |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 658 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 659 | memset(hdr, 0, sizeof(*hdr)); |
| 660 | |
| 661 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); |
| 662 | |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 663 | if (skb_is_gso(skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 664 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
| 665 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, |
| 666 | hdr, skb_shinfo(skb)->gso_size); |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 667 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 668 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 669 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| 670 | if (is_tcp_pkt(skb)) |
| 671 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); |
| 672 | else if (is_udp_pkt(skb)) |
| 673 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); |
| 674 | } |
| 675 | |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 676 | if (vlan_tx_tag_present(skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 677 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 678 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 679 | 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] | 680 | } |
| 681 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 682 | /* To skip HW VLAN tagging: evt = 1, compl = 0 */ |
| 683 | 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] | 684 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 685 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); |
| 686 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); |
| 687 | } |
| 688 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 689 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 690 | bool unmap_single) |
| 691 | { |
| 692 | dma_addr_t dma; |
| 693 | |
| 694 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); |
| 695 | |
| 696 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; |
FUJITA Tomonori | b681ee7 | 2010-04-04 21:40:18 +0000 | [diff] [blame] | 697 | if (wrb->frag_len) { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 698 | if (unmap_single) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 699 | dma_unmap_single(dev, dma, wrb->frag_len, |
| 700 | DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 701 | else |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 702 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 703 | } |
| 704 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 705 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 706 | static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 707 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb, |
| 708 | bool skip_hw_vlan) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 709 | { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 710 | dma_addr_t busaddr; |
| 711 | int i, copied = 0; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 712 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 713 | struct sk_buff *first_skb = skb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 714 | struct be_eth_wrb *wrb; |
| 715 | struct be_eth_hdr_wrb *hdr; |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 716 | bool map_single = false; |
| 717 | u16 map_head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 718 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 719 | hdr = queue_head_node(txq); |
| 720 | queue_head_inc(txq); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 721 | map_head = txq->head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 722 | |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 723 | if (skb->len > skb->data_len) { |
Eric Dumazet | e743d31 | 2010-04-14 15:59:40 -0700 | [diff] [blame] | 724 | int len = skb_headlen(skb); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 725 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
| 726 | if (dma_mapping_error(dev, busaddr)) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 727 | goto dma_err; |
| 728 | map_single = true; |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 729 | wrb = queue_head_node(txq); |
| 730 | wrb_fill(wrb, busaddr, len); |
| 731 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 732 | queue_head_inc(txq); |
| 733 | copied += len; |
| 734 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 735 | |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 736 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 737 | const struct skb_frag_struct *frag = |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 738 | &skb_shinfo(skb)->frags[i]; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 739 | busaddr = skb_frag_dma_map(dev, frag, 0, |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 740 | skb_frag_size(frag), DMA_TO_DEVICE); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 741 | if (dma_mapping_error(dev, busaddr)) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 742 | goto dma_err; |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 743 | wrb = queue_head_node(txq); |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 744 | wrb_fill(wrb, busaddr, skb_frag_size(frag)); |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 745 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 746 | queue_head_inc(txq); |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 747 | copied += skb_frag_size(frag); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 748 | } |
| 749 | |
| 750 | if (dummy_wrb) { |
| 751 | wrb = queue_head_node(txq); |
| 752 | wrb_fill(wrb, 0, 0); |
| 753 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 754 | queue_head_inc(txq); |
| 755 | } |
| 756 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 757 | 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] | 758 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
| 759 | |
| 760 | return copied; |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 761 | dma_err: |
| 762 | txq->head = map_head; |
| 763 | while (copied) { |
| 764 | wrb = queue_head_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 765 | unmap_tx_frag(dev, wrb, map_single); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 766 | map_single = false; |
| 767 | copied -= wrb->frag_len; |
| 768 | queue_head_inc(txq); |
| 769 | } |
| 770 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 771 | } |
| 772 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 773 | 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] | 774 | struct sk_buff *skb, |
| 775 | bool *skip_hw_vlan) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 776 | { |
| 777 | u16 vlan_tag = 0; |
| 778 | |
| 779 | skb = skb_share_check(skb, GFP_ATOMIC); |
| 780 | if (unlikely(!skb)) |
| 781 | return skb; |
| 782 | |
Sarveshwar Bandi | efee8e8 | 2013-05-13 20:28:20 +0000 | [diff] [blame] | 783 | if (vlan_tx_tag_present(skb)) |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 784 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Sarveshwar Bandi | 52fe29e | 2013-07-16 12:44:02 +0530 | [diff] [blame] | 785 | |
| 786 | if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { |
| 787 | if (!vlan_tag) |
| 788 | vlan_tag = adapter->pvid; |
| 789 | /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to |
| 790 | * skip VLAN insertion |
| 791 | */ |
| 792 | if (skip_hw_vlan) |
| 793 | *skip_hw_vlan = true; |
| 794 | } |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 795 | |
| 796 | if (vlan_tag) { |
David S. Miller | 5871768 | 2013-04-30 03:50:54 -0400 | [diff] [blame] | 797 | skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 798 | if (unlikely(!skb)) |
| 799 | return skb; |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 800 | skb->vlan_tci = 0; |
| 801 | } |
| 802 | |
| 803 | /* Insert the outer VLAN, if any */ |
| 804 | if (adapter->qnq_vid) { |
| 805 | vlan_tag = adapter->qnq_vid; |
David S. Miller | 5871768 | 2013-04-30 03:50:54 -0400 | [diff] [blame] | 806 | skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 807 | if (unlikely(!skb)) |
| 808 | return skb; |
| 809 | if (skip_hw_vlan) |
| 810 | *skip_hw_vlan = true; |
| 811 | } |
| 812 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 813 | return skb; |
| 814 | } |
| 815 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 816 | static bool be_ipv6_exthdr_check(struct sk_buff *skb) |
| 817 | { |
| 818 | struct ethhdr *eh = (struct ethhdr *)skb->data; |
| 819 | u16 offset = ETH_HLEN; |
| 820 | |
| 821 | if (eh->h_proto == htons(ETH_P_IPV6)) { |
| 822 | struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset); |
| 823 | |
| 824 | offset += sizeof(struct ipv6hdr); |
| 825 | if (ip6h->nexthdr != NEXTHDR_TCP && |
| 826 | ip6h->nexthdr != NEXTHDR_UDP) { |
| 827 | struct ipv6_opt_hdr *ehdr = |
| 828 | (struct ipv6_opt_hdr *) (skb->data + offset); |
| 829 | |
| 830 | /* offending pkt: 2nd byte following IPv6 hdr is 0xff */ |
| 831 | if (ehdr->hdrlen == 0xff) |
| 832 | return true; |
| 833 | } |
| 834 | } |
| 835 | return false; |
| 836 | } |
| 837 | |
| 838 | static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb) |
| 839 | { |
| 840 | return vlan_tx_tag_present(skb) || adapter->pvid || adapter->qnq_vid; |
| 841 | } |
| 842 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 843 | static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, |
| 844 | struct sk_buff *skb) |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 845 | { |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 846 | return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 847 | } |
| 848 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 849 | static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, |
| 850 | struct sk_buff *skb, |
| 851 | bool *skip_hw_vlan) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 852 | { |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 853 | struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 854 | unsigned int eth_hdr_len; |
| 855 | struct iphdr *ip; |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 856 | |
Somnath Kotur | 4826566 | 2013-05-26 21:08:47 +0000 | [diff] [blame] | 857 | /* Lancer ASIC has a bug wherein packets that are 32 bytes or less |
| 858 | * may cause a transmit stall on that port. So the work-around is to |
| 859 | * pad such packets to a 36-byte length. |
| 860 | */ |
| 861 | if (unlikely(lancer_chip(adapter) && skb->len <= 32)) { |
| 862 | if (skb_padto(skb, 36)) |
| 863 | goto tx_drop; |
| 864 | skb->len = 36; |
| 865 | } |
| 866 | |
Ajit Khaparde | 1297f9d | 2013-04-24 11:52:28 +0000 | [diff] [blame] | 867 | /* For padded packets, BE HW modifies tot_len field in IP header |
| 868 | * incorrecly when VLAN tag is inserted by HW. |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 869 | * For padded packets, Lancer computes incorrect checksum. |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 870 | */ |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 871 | eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? |
| 872 | VLAN_ETH_HLEN : ETH_HLEN; |
Somnath Kotur | 3904dcc | 2013-05-26 21:09:06 +0000 | [diff] [blame] | 873 | if (skb->len <= 60 && |
| 874 | (lancer_chip(adapter) || vlan_tx_tag_present(skb)) && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 875 | is_ipv4_pkt(skb)) { |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 876 | ip = (struct iphdr *)ip_hdr(skb); |
| 877 | pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); |
| 878 | } |
| 879 | |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 880 | /* If vlan tag is already inlined in the packet, skip HW VLAN |
| 881 | * tagging in UMC mode |
| 882 | */ |
| 883 | if ((adapter->function_mode & UMC_ENABLED) && |
| 884 | veh->h_vlan_proto == htons(ETH_P_8021Q)) |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 885 | *skip_hw_vlan = true; |
Ajit Khaparde | d2cb6ce | 2013-04-24 11:53:08 +0000 | [diff] [blame] | 886 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 887 | /* HW has a bug wherein it will calculate CSUM for VLAN |
| 888 | * pkts even though it is disabled. |
| 889 | * Manually insert VLAN in pkt. |
| 890 | */ |
| 891 | if (skb->ip_summed != CHECKSUM_PARTIAL && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 892 | vlan_tx_tag_present(skb)) { |
| 893 | skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 894 | if (unlikely(!skb)) |
| 895 | goto tx_drop; |
| 896 | } |
| 897 | |
| 898 | /* HW may lockup when VLAN HW tagging is requested on |
| 899 | * certain ipv6 packets. Drop such pkts if the HW workaround to |
| 900 | * skip HW tagging is not enabled by FW. |
| 901 | */ |
| 902 | if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) && |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 903 | (adapter->pvid || adapter->qnq_vid) && |
| 904 | !qnq_async_evt_rcvd(adapter))) |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 905 | goto tx_drop; |
| 906 | |
| 907 | /* Manual VLAN tag insertion to prevent: |
| 908 | * ASIC lockup when the ASIC inserts VLAN tag into |
| 909 | * certain ipv6 packets. Insert VLAN tags in driver, |
| 910 | * and set event, completion, vlan bits accordingly |
| 911 | * in the Tx WRB. |
| 912 | */ |
| 913 | if (be_ipv6_tx_stall_chk(adapter, skb) && |
| 914 | be_vlan_tag_tx_chk(adapter, skb)) { |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 915 | skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 916 | if (unlikely(!skb)) |
| 917 | goto tx_drop; |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 918 | } |
| 919 | |
Sathya Perla | ee9c799 | 2013-05-22 23:04:55 +0000 | [diff] [blame] | 920 | return skb; |
| 921 | tx_drop: |
| 922 | dev_kfree_skb_any(skb); |
| 923 | return NULL; |
| 924 | } |
| 925 | |
| 926 | static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) |
| 927 | { |
| 928 | struct be_adapter *adapter = netdev_priv(netdev); |
| 929 | struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)]; |
| 930 | struct be_queue_info *txq = &txo->q; |
| 931 | bool dummy_wrb, stopped = false; |
| 932 | u32 wrb_cnt = 0, copied = 0; |
| 933 | bool skip_hw_vlan = false; |
| 934 | u32 start = txq->head; |
| 935 | |
| 936 | skb = be_xmit_workarounds(adapter, skb, &skip_hw_vlan); |
| 937 | if (!skb) |
| 938 | return NETDEV_TX_OK; |
| 939 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 940 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 941 | |
Ajit Khaparde | bc0c340 | 2013-04-24 11:52:50 +0000 | [diff] [blame] | 942 | copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb, |
| 943 | skip_hw_vlan); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 944 | if (copied) { |
Eric Dumazet | cd8f76c | 2012-06-07 22:59:59 +0000 | [diff] [blame] | 945 | int gso_segs = skb_shinfo(skb)->gso_segs; |
| 946 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 947 | /* record the sent skb in the sent_skb table */ |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 948 | BUG_ON(txo->sent_skb_list[start]); |
| 949 | txo->sent_skb_list[start] = skb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 950 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 951 | /* Ensure txq has space for the next skb; Else stop the queue |
| 952 | * *BEFORE* ringing the tx doorbell, so that we serialze the |
| 953 | * tx compls of the current transmit which'll wake up the queue |
| 954 | */ |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 955 | atomic_add(wrb_cnt, &txq->used); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 956 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
| 957 | txq->len) { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 958 | netif_stop_subqueue(netdev, skb_get_queue_mapping(skb)); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 959 | stopped = true; |
| 960 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 961 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 962 | be_txq_notify(adapter, txo, wrb_cnt); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 963 | |
Eric Dumazet | cd8f76c | 2012-06-07 22:59:59 +0000 | [diff] [blame] | 964 | be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 965 | } else { |
| 966 | txq->head = start; |
| 967 | dev_kfree_skb_any(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 968 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 969 | return NETDEV_TX_OK; |
| 970 | } |
| 971 | |
| 972 | static int be_change_mtu(struct net_device *netdev, int new_mtu) |
| 973 | { |
| 974 | struct be_adapter *adapter = netdev_priv(netdev); |
| 975 | if (new_mtu < BE_MIN_MTU || |
Ajit Khaparde | 34a89b8 | 2010-02-09 01:32:43 +0000 | [diff] [blame] | 976 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
| 977 | (ETH_HLEN + ETH_FCS_LEN))) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 978 | dev_info(&adapter->pdev->dev, |
| 979 | "MTU must be between %d and %d bytes\n", |
Ajit Khaparde | 34a89b8 | 2010-02-09 01:32:43 +0000 | [diff] [blame] | 980 | BE_MIN_MTU, |
| 981 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 982 | return -EINVAL; |
| 983 | } |
| 984 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", |
| 985 | netdev->mtu, new_mtu); |
| 986 | netdev->mtu = new_mtu; |
| 987 | return 0; |
| 988 | } |
| 989 | |
| 990 | /* |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 991 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
| 992 | * If the user configures more, place BE in vlan promiscuous mode. |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 993 | */ |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 994 | static int be_vid_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 995 | { |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 996 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
| 997 | u16 num = 0, i; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 998 | int status = 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 999 | |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1000 | /* No need to further configure vids if in promiscuous mode */ |
| 1001 | if (adapter->promiscuous) |
| 1002 | return 0; |
| 1003 | |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1004 | if (adapter->vlans_added > adapter->max_vlans) |
| 1005 | goto set_vlan_promisc; |
| 1006 | |
| 1007 | /* Construct VLAN Table to give to HW */ |
| 1008 | for (i = 0; i < VLAN_N_VID; i++) |
| 1009 | if (adapter->vlan_tag[i]) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1010 | vids[num++] = cpu_to_le16(i); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1011 | |
| 1012 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1013 | vids, num, 1, 0); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1014 | |
| 1015 | /* Set to VLAN promisc mode as setting VLAN filter failed */ |
| 1016 | if (status) { |
| 1017 | dev_info(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n"); |
| 1018 | dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering.\n"); |
| 1019 | goto set_vlan_promisc; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1020 | } |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1021 | |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 1022 | return status; |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1023 | |
| 1024 | set_vlan_promisc: |
| 1025 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
| 1026 | NULL, 0, 1, 1); |
| 1027 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1028 | } |
| 1029 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1030 | 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] | 1031 | { |
| 1032 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1033 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1034 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1035 | if (!lancer_chip(adapter) && !be_physfn(adapter)) { |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1036 | status = -EINVAL; |
| 1037 | goto ret; |
| 1038 | } |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1039 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1040 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1041 | if (lancer_chip(adapter) && vid == 0) |
| 1042 | goto ret; |
| 1043 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1044 | adapter->vlan_tag[vid] = 1; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1045 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1046 | status = be_vid_config(adapter); |
Jiri Pirko | 8e58613 | 2011-12-08 19:52:37 -0500 | [diff] [blame] | 1047 | |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1048 | if (!status) |
| 1049 | adapter->vlans_added++; |
| 1050 | else |
| 1051 | adapter->vlan_tag[vid] = 0; |
| 1052 | ret: |
| 1053 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1054 | } |
| 1055 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 1056 | 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] | 1057 | { |
| 1058 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1059 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1060 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1061 | if (!lancer_chip(adapter) && !be_physfn(adapter)) { |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1062 | status = -EINVAL; |
| 1063 | goto ret; |
| 1064 | } |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1065 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 1066 | /* Packets with VID 0 are always received by Lancer by default */ |
| 1067 | if (lancer_chip(adapter) && vid == 0) |
| 1068 | goto ret; |
| 1069 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1070 | adapter->vlan_tag[vid] = 0; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1071 | if (adapter->vlans_added <= adapter->max_vlans) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1072 | status = be_vid_config(adapter); |
Jiri Pirko | 8e58613 | 2011-12-08 19:52:37 -0500 | [diff] [blame] | 1073 | |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 1074 | if (!status) |
| 1075 | adapter->vlans_added--; |
| 1076 | else |
| 1077 | adapter->vlan_tag[vid] = 1; |
| 1078 | ret: |
| 1079 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1080 | } |
| 1081 | |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 1082 | static void be_set_rx_mode(struct net_device *netdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1083 | { |
| 1084 | struct be_adapter *adapter = netdev_priv(netdev); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1085 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1086 | |
| 1087 | if (netdev->flags & IFF_PROMISC) { |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 1088 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1089 | adapter->promiscuous = true; |
| 1090 | goto done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1091 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1092 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1093 | /* BE was previously in promiscuous mode; disable it */ |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1094 | if (adapter->promiscuous) { |
| 1095 | adapter->promiscuous = false; |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 1096 | be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 1097 | |
| 1098 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 1099 | be_vid_config(adapter); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1100 | } |
| 1101 | |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 1102 | /* Enable multicast promisc if num configured exceeds what we support */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1103 | if (netdev->flags & IFF_ALLMULTI || |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 1104 | netdev_mc_count(netdev) > adapter->max_mcast_mac) { |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 1105 | be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1106 | goto done; |
| 1107 | } |
| 1108 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 1109 | if (netdev_uc_count(netdev) != adapter->uc_macs) { |
| 1110 | struct netdev_hw_addr *ha; |
| 1111 | int i = 1; /* First slot is claimed by the Primary MAC */ |
| 1112 | |
| 1113 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) { |
| 1114 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 1115 | adapter->pmac_id[i], 0); |
| 1116 | } |
| 1117 | |
| 1118 | if (netdev_uc_count(netdev) > adapter->max_pmac_cnt) { |
| 1119 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
| 1120 | adapter->promiscuous = true; |
| 1121 | goto done; |
| 1122 | } |
| 1123 | |
| 1124 | netdev_for_each_uc_addr(ha, adapter->netdev) { |
| 1125 | adapter->uc_macs++; /* First slot is for Primary MAC */ |
| 1126 | be_cmd_pmac_add(adapter, (u8 *)ha->addr, |
| 1127 | adapter->if_handle, |
| 1128 | &adapter->pmac_id[adapter->uc_macs], 0); |
| 1129 | } |
| 1130 | } |
| 1131 | |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1132 | status = be_cmd_rx_filter(adapter, IFF_MULTICAST, ON); |
| 1133 | |
| 1134 | /* Set to MCAST promisc mode if setting MULTICAST address fails */ |
| 1135 | if (status) { |
| 1136 | dev_info(&adapter->pdev->dev, "Exhausted multicast HW filters.\n"); |
| 1137 | dev_info(&adapter->pdev->dev, "Disabling HW multicast filtering.\n"); |
| 1138 | be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); |
| 1139 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1140 | done: |
| 1141 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1142 | } |
| 1143 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1144 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 1145 | { |
| 1146 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1147 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1148 | int status; |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 1149 | bool active_mac = false; |
| 1150 | u32 pmac_id; |
| 1151 | u8 old_mac[ETH_ALEN]; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1152 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1153 | if (!sriov_enabled(adapter)) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1154 | return -EPERM; |
| 1155 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1156 | if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1157 | return -EINVAL; |
| 1158 | |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1159 | if (lancer_chip(adapter)) { |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 1160 | status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac, |
| 1161 | &pmac_id, vf + 1); |
| 1162 | if (!status && active_mac) |
| 1163 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 1164 | pmac_id, vf + 1); |
| 1165 | |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1166 | status = be_cmd_set_mac_list(adapter, mac, 1, vf + 1); |
| 1167 | } else { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1168 | status = be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 1169 | vf_cfg->pmac_id, vf + 1); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1170 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1171 | status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, |
| 1172 | &vf_cfg->pmac_id, vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1173 | } |
| 1174 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1175 | if (status) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1176 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
| 1177 | mac, vf); |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1178 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1179 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1180 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1181 | return status; |
| 1182 | } |
| 1183 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1184 | static int be_get_vf_config(struct net_device *netdev, int vf, |
| 1185 | struct ifla_vf_info *vi) |
| 1186 | { |
| 1187 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1188 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1189 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1190 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1191 | return -EPERM; |
| 1192 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1193 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1194 | return -EINVAL; |
| 1195 | |
| 1196 | vi->vf = vf; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1197 | vi->tx_rate = vf_cfg->tx_rate; |
| 1198 | vi->vlan = vf_cfg->vlan_tag; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1199 | vi->qos = 0; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1200 | memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1201 | |
| 1202 | return 0; |
| 1203 | } |
| 1204 | |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1205 | static int be_set_vf_vlan(struct net_device *netdev, |
| 1206 | int vf, u16 vlan, u8 qos) |
| 1207 | { |
| 1208 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1209 | int status = 0; |
| 1210 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1211 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1212 | return -EPERM; |
| 1213 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1214 | if (vf >= adapter->num_vfs || vlan > 4095) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1215 | return -EINVAL; |
| 1216 | |
| 1217 | if (vlan) { |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 1218 | if (adapter->vf_cfg[vf].vlan_tag != vlan) { |
| 1219 | /* If this is new value, program it. Else skip. */ |
| 1220 | adapter->vf_cfg[vf].vlan_tag = vlan; |
| 1221 | |
| 1222 | status = be_cmd_set_hsw_config(adapter, vlan, |
| 1223 | vf + 1, adapter->vf_cfg[vf].if_handle); |
| 1224 | } |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1225 | } else { |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 1226 | /* Reset Transparent Vlan Tagging. */ |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1227 | adapter->vf_cfg[vf].vlan_tag = 0; |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 1228 | vlan = adapter->vf_cfg[vf].def_vid; |
| 1229 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, |
| 1230 | adapter->vf_cfg[vf].if_handle); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1231 | } |
| 1232 | |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1233 | |
| 1234 | if (status) |
| 1235 | dev_info(&adapter->pdev->dev, |
| 1236 | "VLAN %d config on VF %d failed\n", vlan, vf); |
| 1237 | return status; |
| 1238 | } |
| 1239 | |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1240 | static int be_set_vf_tx_rate(struct net_device *netdev, |
| 1241 | int vf, int rate) |
| 1242 | { |
| 1243 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1244 | int status = 0; |
| 1245 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1246 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1247 | return -EPERM; |
| 1248 | |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1249 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1250 | return -EINVAL; |
| 1251 | |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1252 | if (rate < 100 || rate > 10000) { |
| 1253 | dev_err(&adapter->pdev->dev, |
| 1254 | "tx rate must be between 100 and 10000 Mbps\n"); |
| 1255 | return -EINVAL; |
| 1256 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1257 | |
Padmanabh Ratnakar | d5c1847 | 2012-10-20 06:01:53 +0000 | [diff] [blame] | 1258 | if (lancer_chip(adapter)) |
| 1259 | status = be_cmd_set_profile_config(adapter, rate / 10, vf + 1); |
| 1260 | else |
| 1261 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1262 | |
| 1263 | if (status) |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1264 | dev_err(&adapter->pdev->dev, |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1265 | "tx rate %d on VF %d failed\n", rate, vf); |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1266 | else |
| 1267 | adapter->vf_cfg[vf].tx_rate = rate; |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1268 | return status; |
| 1269 | } |
| 1270 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1271 | static void be_eqd_update(struct be_adapter *adapter, struct be_eq_obj *eqo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1272 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1273 | struct be_rx_stats *stats = rx_stats(&adapter->rx_obj[eqo->idx]); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1274 | ulong now = jiffies; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1275 | ulong delta = now - stats->rx_jiffies; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1276 | u64 pkts; |
| 1277 | unsigned int start, eqd; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1278 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1279 | if (!eqo->enable_aic) { |
| 1280 | eqd = eqo->eqd; |
| 1281 | goto modify_eqd; |
| 1282 | } |
| 1283 | |
| 1284 | if (eqo->idx >= adapter->num_rx_qs) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1285 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1286 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1287 | stats = rx_stats(&adapter->rx_obj[eqo->idx]); |
| 1288 | |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1289 | /* Wrapped around */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1290 | if (time_before(now, stats->rx_jiffies)) { |
| 1291 | stats->rx_jiffies = now; |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1292 | return; |
| 1293 | } |
| 1294 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1295 | /* Update once a second */ |
| 1296 | if (delta < HZ) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1297 | return; |
| 1298 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1299 | do { |
| 1300 | start = u64_stats_fetch_begin_bh(&stats->sync); |
| 1301 | pkts = stats->rx_pkts; |
| 1302 | } while (u64_stats_fetch_retry_bh(&stats->sync, start)); |
| 1303 | |
Eric Dumazet | 68c3e5a | 2011-08-09 06:23:07 +0000 | [diff] [blame] | 1304 | stats->rx_pps = (unsigned long)(pkts - stats->rx_pkts_prev) / (delta / HZ); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1305 | stats->rx_pkts_prev = pkts; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1306 | stats->rx_jiffies = now; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1307 | eqd = (stats->rx_pps / 110000) << 3; |
| 1308 | eqd = min(eqd, eqo->max_eqd); |
| 1309 | eqd = max(eqd, eqo->min_eqd); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1310 | if (eqd < 10) |
| 1311 | eqd = 0; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1312 | |
| 1313 | modify_eqd: |
| 1314 | if (eqd != eqo->cur_eqd) { |
| 1315 | be_cmd_modify_eqd(adapter, eqo->q.id, eqd); |
| 1316 | eqo->cur_eqd = eqd; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1317 | } |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1318 | } |
| 1319 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1320 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1321 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1322 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1323 | struct be_rx_stats *stats = rx_stats(rxo); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1324 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1325 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1326 | stats->rx_compl++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1327 | stats->rx_bytes += rxcp->pkt_size; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1328 | stats->rx_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1329 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1330 | stats->rx_mcast_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1331 | if (rxcp->err) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1332 | stats->rx_compl_err++; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1333 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1334 | } |
| 1335 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1336 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1337 | { |
Padmanabh Ratnakar | 19fad86 | 2011-03-07 03:08:16 +0000 | [diff] [blame] | 1338 | /* L4 checksum is not reliable for non TCP/UDP packets. |
| 1339 | * Also ignore ipcksm for ipv6 pkts */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1340 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
| 1341 | (rxcp->ip_csum || rxcp->ipv6); |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1342 | } |
| 1343 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1344 | static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo, |
| 1345 | u16 frag_idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1346 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1347 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1348 | struct be_rx_page_info *rx_page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1349 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1350 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1351 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1352 | BUG_ON(!rx_page_info->page); |
| 1353 | |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1354 | if (rx_page_info->last_page_user) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1355 | dma_unmap_page(&adapter->pdev->dev, |
| 1356 | dma_unmap_addr(rx_page_info, bus), |
| 1357 | adapter->big_page_size, DMA_FROM_DEVICE); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1358 | rx_page_info->last_page_user = false; |
| 1359 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1360 | |
| 1361 | atomic_dec(&rxq->used); |
| 1362 | return rx_page_info; |
| 1363 | } |
| 1364 | |
| 1365 | /* Throwaway the data in the Rx completion */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1366 | static void be_rx_compl_discard(struct be_rx_obj *rxo, |
| 1367 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1368 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1369 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1370 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1371 | u16 i, num_rcvd = rxcp->num_rcvd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1372 | |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1373 | for (i = 0; i < num_rcvd; i++) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1374 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1375 | put_page(page_info->page); |
| 1376 | memset(page_info, 0, sizeof(*page_info)); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1377 | index_inc(&rxcp->rxq_idx, rxq->len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1378 | } |
| 1379 | } |
| 1380 | |
| 1381 | /* |
| 1382 | * skb_fill_rx_data forms a complete skb for an ether frame |
| 1383 | * indicated by rxcp. |
| 1384 | */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1385 | static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, |
| 1386 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1387 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1388 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1389 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1390 | u16 i, j; |
| 1391 | u16 hdr_len, curr_frag_len, remaining; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1392 | u8 *start; |
| 1393 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1394 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1395 | start = page_address(page_info->page) + page_info->page_offset; |
| 1396 | prefetch(start); |
| 1397 | |
| 1398 | /* Copy data in the first descriptor of this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1399 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1400 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1401 | skb->len = curr_frag_len; |
| 1402 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1403 | memcpy(skb->data, start, curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1404 | /* Complete packet has now been moved to data */ |
| 1405 | put_page(page_info->page); |
| 1406 | skb->data_len = 0; |
| 1407 | skb->tail += curr_frag_len; |
| 1408 | } else { |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1409 | hdr_len = ETH_HLEN; |
| 1410 | memcpy(skb->data, start, hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1411 | skb_shinfo(skb)->nr_frags = 1; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1412 | skb_frag_set_page(skb, 0, page_info->page); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1413 | skb_shinfo(skb)->frags[0].page_offset = |
| 1414 | page_info->page_offset + hdr_len; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1415 | skb_frag_size_set(&skb_shinfo(skb)->frags[0], curr_frag_len - hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1416 | skb->data_len = curr_frag_len - hdr_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1417 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1418 | skb->tail += hdr_len; |
| 1419 | } |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1420 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1421 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1422 | if (rxcp->pkt_size <= rx_frag_size) { |
| 1423 | BUG_ON(rxcp->num_rcvd != 1); |
| 1424 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1425 | } |
| 1426 | |
| 1427 | /* More frags present for this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1428 | index_inc(&rxcp->rxq_idx, rxq->len); |
| 1429 | remaining = rxcp->pkt_size - curr_frag_len; |
| 1430 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1431 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1432 | curr_frag_len = min(remaining, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1433 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1434 | /* Coalesce all frags from the same physical page in one slot */ |
| 1435 | if (page_info->page_offset == 0) { |
| 1436 | /* Fresh page */ |
| 1437 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1438 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1439 | skb_shinfo(skb)->frags[j].page_offset = |
| 1440 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1441 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1442 | skb_shinfo(skb)->nr_frags++; |
| 1443 | } else { |
| 1444 | put_page(page_info->page); |
| 1445 | } |
| 1446 | |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1447 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1448 | skb->len += curr_frag_len; |
| 1449 | skb->data_len += curr_frag_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1450 | skb->truesize += rx_frag_size; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1451 | remaining -= curr_frag_len; |
| 1452 | index_inc(&rxcp->rxq_idx, rxq->len); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1453 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1454 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1455 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1456 | } |
| 1457 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1458 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1459 | static void be_rx_compl_process(struct be_rx_obj *rxo, |
| 1460 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1461 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1462 | struct be_adapter *adapter = rxo->adapter; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1463 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1464 | struct sk_buff *skb; |
Sathya Perla | 8942042 | 2010-02-17 01:35:26 +0000 | [diff] [blame] | 1465 | |
Eric Dumazet | bb349bb | 2012-01-25 03:56:30 +0000 | [diff] [blame] | 1466 | skb = netdev_alloc_skb_ip_align(netdev, BE_RX_SKB_ALLOC_SIZE); |
Sathya Perla | a058a63 | 2010-02-17 01:34:22 +0000 | [diff] [blame] | 1467 | if (unlikely(!skb)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1468 | rx_stats(rxo)->rx_drops_no_skbs++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1469 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1470 | return; |
| 1471 | } |
| 1472 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1473 | skb_fill_rx_data(rxo, skb, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1474 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1475 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1476 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | c6ce2f4 | 2010-10-25 01:11:58 +0000 | [diff] [blame] | 1477 | else |
| 1478 | skb_checksum_none_assert(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1479 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1480 | skb->protocol = eth_type_trans(skb, netdev); |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1481 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1482 | if (netdev->features & NETIF_F_RXHASH) |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1483 | skb->rxhash = rxcp->rss_hash; |
| 1484 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1485 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1486 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1487 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1488 | |
| 1489 | netif_receive_skb(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1490 | } |
| 1491 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1492 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1493 | void be_rx_compl_process_gro(struct be_rx_obj *rxo, struct napi_struct *napi, |
| 1494 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1495 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1496 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1497 | struct be_rx_page_info *page_info; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1498 | struct sk_buff *skb = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1499 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1500 | u16 remaining, curr_frag_len; |
| 1501 | u16 i, j; |
Ajit Khaparde | 3968fa1 | 2011-02-20 11:41:53 +0000 | [diff] [blame] | 1502 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1503 | skb = napi_get_frags(napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1504 | if (!skb) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1505 | be_rx_compl_discard(rxo, rxcp); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1506 | return; |
| 1507 | } |
| 1508 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1509 | remaining = rxcp->pkt_size; |
| 1510 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1511 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1512 | |
| 1513 | curr_frag_len = min(remaining, rx_frag_size); |
| 1514 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1515 | /* Coalesce all frags from the same physical page in one slot */ |
| 1516 | if (i == 0 || page_info->page_offset == 0) { |
| 1517 | /* First frag or Fresh page */ |
| 1518 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1519 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1520 | skb_shinfo(skb)->frags[j].page_offset = |
| 1521 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1522 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1523 | } else { |
| 1524 | put_page(page_info->page); |
| 1525 | } |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1526 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1527 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1528 | remaining -= curr_frag_len; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1529 | index_inc(&rxcp->rxq_idx, rxq->len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1530 | memset(page_info, 0, sizeof(*page_info)); |
| 1531 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1532 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1533 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1534 | skb_shinfo(skb)->nr_frags = j + 1; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1535 | skb->len = rxcp->pkt_size; |
| 1536 | skb->data_len = rxcp->pkt_size; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1537 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1538 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1539 | if (adapter->netdev->features & NETIF_F_RXHASH) |
| 1540 | skb->rxhash = rxcp->rss_hash; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1541 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1542 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1543 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1544 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1545 | napi_gro_frags(napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1546 | } |
| 1547 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1548 | static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, |
| 1549 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1550 | { |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1551 | rxcp->pkt_size = |
| 1552 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); |
| 1553 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); |
| 1554 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); |
| 1555 | 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] | 1556 | 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] | 1557 | rxcp->ip_csum = |
| 1558 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); |
| 1559 | rxcp->l4_csum = |
| 1560 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); |
| 1561 | rxcp->ipv6 = |
| 1562 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); |
| 1563 | rxcp->rxq_idx = |
| 1564 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); |
| 1565 | rxcp->num_rcvd = |
| 1566 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); |
| 1567 | rxcp->pkt_type = |
| 1568 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1569 | rxcp->rss_hash = |
Sarveshwar Bandi | c297977 | 2012-07-25 21:29:50 +0000 | [diff] [blame] | 1570 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1571 | if (rxcp->vlanf) { |
| 1572 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1573 | compl); |
| 1574 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, |
| 1575 | compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1576 | } |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 1577 | rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, port, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1578 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1579 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1580 | static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, |
| 1581 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1582 | { |
| 1583 | rxcp->pkt_size = |
| 1584 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); |
| 1585 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); |
| 1586 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); |
| 1587 | 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] | 1588 | 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] | 1589 | rxcp->ip_csum = |
| 1590 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); |
| 1591 | rxcp->l4_csum = |
| 1592 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); |
| 1593 | rxcp->ipv6 = |
| 1594 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); |
| 1595 | rxcp->rxq_idx = |
| 1596 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); |
| 1597 | rxcp->num_rcvd = |
| 1598 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); |
| 1599 | rxcp->pkt_type = |
| 1600 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1601 | rxcp->rss_hash = |
Sarveshwar Bandi | c297977 | 2012-07-25 21:29:50 +0000 | [diff] [blame] | 1602 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1603 | if (rxcp->vlanf) { |
| 1604 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1605 | compl); |
| 1606 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, |
| 1607 | compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1608 | } |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 1609 | 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] | 1610 | rxcp->ip_frag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, |
| 1611 | ip_frag, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1612 | } |
| 1613 | |
| 1614 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) |
| 1615 | { |
| 1616 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); |
| 1617 | struct be_rx_compl_info *rxcp = &rxo->rxcp; |
| 1618 | struct be_adapter *adapter = rxo->adapter; |
| 1619 | |
| 1620 | /* For checking the valid bit it is Ok to use either definition as the |
| 1621 | * valid bit is at the same position in both v0 and v1 Rx compl */ |
| 1622 | 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] | 1623 | return NULL; |
| 1624 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1625 | rmb(); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1626 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
| 1627 | |
| 1628 | if (adapter->be3_native) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1629 | be_parse_rx_compl_v1(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1630 | else |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1631 | be_parse_rx_compl_v0(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1632 | |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 1633 | if (rxcp->ip_frag) |
| 1634 | rxcp->l4_csum = 0; |
| 1635 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1636 | if (rxcp->vlanf) { |
| 1637 | /* vlanf could be wrongly set in some cards. |
| 1638 | * ignore if vtm is not set */ |
Sathya Perla | 752961a | 2011-10-24 02:45:03 +0000 | [diff] [blame] | 1639 | if ((adapter->function_mode & FLEX10_MODE) && !rxcp->vtm) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1640 | rxcp->vlanf = 0; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1641 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1642 | if (!lancer_chip(adapter)) |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1643 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1644 | |
Somnath Kotur | 939cf30 | 2011-08-18 21:51:49 -0700 | [diff] [blame] | 1645 | if (adapter->pvid == (rxcp->vlan_tag & VLAN_VID_MASK) && |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1646 | !adapter->vlan_tag[rxcp->vlan_tag]) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1647 | rxcp->vlanf = 0; |
| 1648 | } |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1649 | |
| 1650 | /* As the compl has been parsed, reset it; we wont touch it again */ |
| 1651 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1652 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1653 | queue_tail_inc(&rxo->cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1654 | return rxcp; |
| 1655 | } |
| 1656 | |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1657 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1658 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1659 | u32 order = get_order(size); |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1660 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1661 | if (order > 0) |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1662 | gfp |= __GFP_COMP; |
| 1663 | return alloc_pages(gfp, order); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1664 | } |
| 1665 | |
| 1666 | /* |
| 1667 | * Allocate a page, split it to fragments of size rx_frag_size and post as |
| 1668 | * receive buffers to BE |
| 1669 | */ |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1670 | 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] | 1671 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1672 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1673 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1674 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1675 | struct page *pagep = NULL; |
| 1676 | struct be_eth_rx_d *rxd; |
| 1677 | u64 page_dmaaddr = 0, frag_dmaaddr; |
| 1678 | u32 posted, page_offset = 0; |
| 1679 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1680 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1681 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
| 1682 | if (!pagep) { |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1683 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1684 | if (unlikely(!pagep)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1685 | rx_stats(rxo)->rx_post_fail++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1686 | break; |
| 1687 | } |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1688 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, |
| 1689 | 0, adapter->big_page_size, |
| 1690 | DMA_FROM_DEVICE); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1691 | page_info->page_offset = 0; |
| 1692 | } else { |
| 1693 | get_page(pagep); |
| 1694 | page_info->page_offset = page_offset + rx_frag_size; |
| 1695 | } |
| 1696 | page_offset = page_info->page_offset; |
| 1697 | page_info->page = pagep; |
FUJITA Tomonori | fac6da5 | 2010-04-01 16:53:22 +0000 | [diff] [blame] | 1698 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1699 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
| 1700 | |
| 1701 | rxd = queue_head_node(rxq); |
| 1702 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); |
| 1703 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1704 | |
| 1705 | /* Any space left in the current big page for another frag? */ |
| 1706 | if ((page_offset + rx_frag_size + rx_frag_size) > |
| 1707 | adapter->big_page_size) { |
| 1708 | pagep = NULL; |
| 1709 | page_info->last_page_user = true; |
| 1710 | } |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1711 | |
| 1712 | prev_page_info = page_info; |
| 1713 | queue_head_inc(rxq); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1714 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1715 | } |
| 1716 | if (pagep) |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1717 | prev_page_info->last_page_user = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1718 | |
| 1719 | if (posted) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1720 | atomic_add(posted, &rxq->used); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1721 | be_rxq_notify(adapter, rxq->id, posted); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1722 | } else if (atomic_read(&rxq->used) == 0) { |
| 1723 | /* Let be_worker replenish when memory is available */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1724 | rxo->rx_post_starved = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1725 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1726 | } |
| 1727 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1728 | 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] | 1729 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1730 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
| 1731 | |
| 1732 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) |
| 1733 | return NULL; |
| 1734 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1735 | rmb(); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1736 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
| 1737 | |
| 1738 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; |
| 1739 | |
| 1740 | queue_tail_inc(tx_cq); |
| 1741 | return txcp; |
| 1742 | } |
| 1743 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1744 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
| 1745 | struct be_tx_obj *txo, u16 last_index) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1746 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1747 | struct be_queue_info *txq = &txo->q; |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1748 | struct be_eth_wrb *wrb; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1749 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1750 | struct sk_buff *sent_skb; |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1751 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
| 1752 | bool unmap_skb_hdr = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1753 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1754 | sent_skb = sent_skbs[txq->tail]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1755 | BUG_ON(!sent_skb); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1756 | sent_skbs[txq->tail] = NULL; |
| 1757 | |
| 1758 | /* skip header wrb */ |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1759 | queue_tail_inc(txq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1760 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1761 | do { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1762 | cur_index = txq->tail; |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1763 | wrb = queue_tail_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1764 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
| 1765 | (unmap_skb_hdr && skb_headlen(sent_skb))); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1766 | unmap_skb_hdr = false; |
| 1767 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1768 | num_wrbs++; |
| 1769 | queue_tail_inc(txq); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1770 | } while (cur_index != last_index); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1771 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1772 | kfree_skb(sent_skb); |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 1773 | return num_wrbs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1774 | } |
| 1775 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1776 | /* Return the number of events in the event queue */ |
| 1777 | static inline int events_get(struct be_eq_obj *eqo) |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1778 | { |
| 1779 | struct be_eq_entry *eqe; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1780 | int num = 0; |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1781 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1782 | do { |
| 1783 | eqe = queue_tail_node(&eqo->q); |
| 1784 | if (eqe->evt == 0) |
| 1785 | break; |
| 1786 | |
| 1787 | rmb(); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1788 | eqe->evt = 0; |
| 1789 | num++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1790 | queue_tail_inc(&eqo->q); |
| 1791 | } while (true); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1792 | |
| 1793 | return num; |
| 1794 | } |
| 1795 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1796 | /* Leaves the EQ is disarmed state */ |
| 1797 | static void be_eq_clean(struct be_eq_obj *eqo) |
| 1798 | { |
| 1799 | int num = events_get(eqo); |
| 1800 | |
| 1801 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, num); |
| 1802 | } |
| 1803 | |
| 1804 | static void be_rx_cq_clean(struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1805 | { |
| 1806 | struct be_rx_page_info *page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1807 | struct be_queue_info *rxq = &rxo->q; |
| 1808 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1809 | struct be_rx_compl_info *rxcp; |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 1810 | struct be_adapter *adapter = rxo->adapter; |
| 1811 | int flush_wait = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1812 | u16 tail; |
| 1813 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 1814 | /* Consume pending rx completions. |
| 1815 | * Wait for the flush completion (identified by zero num_rcvd) |
| 1816 | * to arrive. Notify CQ even when there are no more CQ entries |
| 1817 | * for HW to flush partially coalesced CQ entries. |
| 1818 | * In Lancer, there is no need to wait for flush compl. |
| 1819 | */ |
| 1820 | for (;;) { |
| 1821 | rxcp = be_rx_compl_get(rxo); |
| 1822 | if (rxcp == NULL) { |
| 1823 | if (lancer_chip(adapter)) |
| 1824 | break; |
| 1825 | |
| 1826 | if (flush_wait++ > 10 || be_hw_error(adapter)) { |
| 1827 | dev_warn(&adapter->pdev->dev, |
| 1828 | "did not receive flush compl\n"); |
| 1829 | break; |
| 1830 | } |
| 1831 | be_cq_notify(adapter, rx_cq->id, true, 0); |
| 1832 | mdelay(1); |
| 1833 | } else { |
| 1834 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 3f5dffe | 2013-05-08 02:05:49 +0000 | [diff] [blame] | 1835 | be_cq_notify(adapter, rx_cq->id, false, 1); |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 1836 | if (rxcp->num_rcvd == 0) |
| 1837 | break; |
| 1838 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1839 | } |
| 1840 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 1841 | /* After cleanup, leave the CQ in unarmed state */ |
| 1842 | be_cq_notify(adapter, rx_cq->id, false, 0); |
| 1843 | |
| 1844 | /* Then free posted rx buffers that were not used */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1845 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; |
Sathya Perla | cdab23b | 2009-08-10 03:43:23 +0000 | [diff] [blame] | 1846 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1847 | page_info = get_rx_page_info(rxo, tail); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1848 | put_page(page_info->page); |
| 1849 | memset(page_info, 0, sizeof(*page_info)); |
| 1850 | } |
| 1851 | BUG_ON(atomic_read(&rxq->used)); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 1852 | rxq->tail = rxq->head = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1853 | } |
| 1854 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1855 | static void be_tx_compl_clean(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1856 | { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1857 | struct be_tx_obj *txo; |
| 1858 | struct be_queue_info *txq; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1859 | struct be_eth_tx_compl *txcp; |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 1860 | u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1861 | struct sk_buff *sent_skb; |
| 1862 | bool dummy_wrb; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1863 | int i, pending_txqs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1864 | |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1865 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ |
| 1866 | do { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1867 | pending_txqs = adapter->num_tx_qs; |
| 1868 | |
| 1869 | for_all_tx_queues(adapter, txo, i) { |
| 1870 | txq = &txo->q; |
| 1871 | while ((txcp = be_tx_compl_get(&txo->cq))) { |
| 1872 | end_idx = |
| 1873 | AMAP_GET_BITS(struct amap_eth_tx_compl, |
| 1874 | wrb_index, txcp); |
| 1875 | num_wrbs += be_tx_compl_process(adapter, txo, |
| 1876 | end_idx); |
| 1877 | cmpl++; |
| 1878 | } |
| 1879 | if (cmpl) { |
| 1880 | be_cq_notify(adapter, txo->cq.id, false, cmpl); |
| 1881 | atomic_sub(num_wrbs, &txq->used); |
| 1882 | cmpl = 0; |
| 1883 | num_wrbs = 0; |
| 1884 | } |
| 1885 | if (atomic_read(&txq->used) == 0) |
| 1886 | pending_txqs--; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1887 | } |
| 1888 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1889 | if (pending_txqs == 0 || ++timeo > 200) |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1890 | break; |
| 1891 | |
| 1892 | mdelay(1); |
| 1893 | } while (true); |
| 1894 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1895 | for_all_tx_queues(adapter, txo, i) { |
| 1896 | txq = &txo->q; |
| 1897 | if (atomic_read(&txq->used)) |
| 1898 | dev_err(&adapter->pdev->dev, "%d pending tx-compls\n", |
| 1899 | atomic_read(&txq->used)); |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1900 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1901 | /* free posted tx for which compls will never arrive */ |
| 1902 | while (atomic_read(&txq->used)) { |
| 1903 | sent_skb = txo->sent_skb_list[txq->tail]; |
| 1904 | end_idx = txq->tail; |
| 1905 | num_wrbs = wrb_cnt_for_skb(adapter, sent_skb, |
| 1906 | &dummy_wrb); |
| 1907 | index_adv(&end_idx, num_wrbs - 1, txq->len); |
| 1908 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); |
| 1909 | atomic_sub(num_wrbs, &txq->used); |
| 1910 | } |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1911 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1912 | } |
| 1913 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1914 | static void be_evt_queues_destroy(struct be_adapter *adapter) |
| 1915 | { |
| 1916 | struct be_eq_obj *eqo; |
| 1917 | int i; |
| 1918 | |
| 1919 | for_all_evt_queues(adapter, eqo, i) { |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 1920 | if (eqo->q.created) { |
| 1921 | be_eq_clean(eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1922 | be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 1923 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1924 | be_queue_free(adapter, &eqo->q); |
| 1925 | } |
| 1926 | } |
| 1927 | |
| 1928 | static int be_evt_queues_create(struct be_adapter *adapter) |
| 1929 | { |
| 1930 | struct be_queue_info *eq; |
| 1931 | struct be_eq_obj *eqo; |
| 1932 | int i, rc; |
| 1933 | |
| 1934 | adapter->num_evt_qs = num_irqs(adapter); |
| 1935 | |
| 1936 | for_all_evt_queues(adapter, eqo, i) { |
| 1937 | eqo->adapter = adapter; |
| 1938 | eqo->tx_budget = BE_TX_BUDGET; |
| 1939 | eqo->idx = i; |
| 1940 | eqo->max_eqd = BE_MAX_EQD; |
| 1941 | eqo->enable_aic = true; |
| 1942 | |
| 1943 | eq = &eqo->q; |
| 1944 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, |
| 1945 | sizeof(struct be_eq_entry)); |
| 1946 | if (rc) |
| 1947 | return rc; |
| 1948 | |
| 1949 | rc = be_cmd_eq_create(adapter, eq, eqo->cur_eqd); |
| 1950 | if (rc) |
| 1951 | return rc; |
| 1952 | } |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 1953 | return 0; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1954 | } |
| 1955 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1956 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
| 1957 | { |
| 1958 | struct be_queue_info *q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1959 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1960 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1961 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1962 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1963 | be_queue_free(adapter, q); |
| 1964 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1965 | q = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1966 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1967 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1968 | be_queue_free(adapter, q); |
| 1969 | } |
| 1970 | |
| 1971 | /* Must be called only after TX qs are created as MCC shares TX EQ */ |
| 1972 | static int be_mcc_queues_create(struct be_adapter *adapter) |
| 1973 | { |
| 1974 | struct be_queue_info *q, *cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1975 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1976 | cq = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1977 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
Sathya Perla | efd2e40 | 2009-07-27 22:53:10 +0000 | [diff] [blame] | 1978 | sizeof(struct be_mcc_compl))) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1979 | goto err; |
| 1980 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1981 | /* Use the default EQ for MCC completions */ |
| 1982 | 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] | 1983 | goto mcc_cq_free; |
| 1984 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1985 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1986 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
| 1987 | goto mcc_cq_destroy; |
| 1988 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1989 | if (be_cmd_mccq_create(adapter, q, cq)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1990 | goto mcc_q_free; |
| 1991 | |
| 1992 | return 0; |
| 1993 | |
| 1994 | mcc_q_free: |
| 1995 | be_queue_free(adapter, q); |
| 1996 | mcc_cq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1997 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1998 | mcc_cq_free: |
| 1999 | be_queue_free(adapter, cq); |
| 2000 | err: |
| 2001 | return -1; |
| 2002 | } |
| 2003 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2004 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
| 2005 | { |
| 2006 | struct be_queue_info *q; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2007 | struct be_tx_obj *txo; |
| 2008 | u8 i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2009 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2010 | for_all_tx_queues(adapter, txo, i) { |
| 2011 | q = &txo->q; |
| 2012 | if (q->created) |
| 2013 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
| 2014 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2015 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2016 | q = &txo->cq; |
| 2017 | if (q->created) |
| 2018 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2019 | be_queue_free(adapter, q); |
| 2020 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2021 | } |
| 2022 | |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 2023 | static int be_num_txqs_want(struct be_adapter *adapter) |
| 2024 | { |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2025 | if ((!lancer_chip(adapter) && sriov_want(adapter)) || |
| 2026 | be_is_mc(adapter) || |
| 2027 | (!lancer_chip(adapter) && !be_physfn(adapter)) || |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 2028 | BE2_chip(adapter)) |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 2029 | return 1; |
| 2030 | else |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2031 | return adapter->max_tx_queues; |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 2032 | } |
| 2033 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2034 | static int be_tx_cqs_create(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2035 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2036 | struct be_queue_info *cq, *eq; |
| 2037 | int status; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2038 | struct be_tx_obj *txo; |
| 2039 | u8 i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2040 | |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 2041 | adapter->num_tx_qs = be_num_txqs_want(adapter); |
Padmanabh Ratnakar | 3bb62f4 | 2011-11-25 05:48:06 +0000 | [diff] [blame] | 2042 | if (adapter->num_tx_qs != MAX_TX_QS) { |
| 2043 | rtnl_lock(); |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 2044 | netif_set_real_num_tx_queues(adapter->netdev, |
| 2045 | adapter->num_tx_qs); |
Padmanabh Ratnakar | 3bb62f4 | 2011-11-25 05:48:06 +0000 | [diff] [blame] | 2046 | rtnl_unlock(); |
| 2047 | } |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 2048 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2049 | for_all_tx_queues(adapter, txo, i) { |
| 2050 | cq = &txo->cq; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2051 | status = be_queue_alloc(adapter, cq, TX_CQ_LEN, |
| 2052 | sizeof(struct be_eth_tx_compl)); |
| 2053 | if (status) |
| 2054 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2055 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2056 | /* If num_evt_qs is less than num_tx_qs, then more than |
| 2057 | * one txq share an eq |
| 2058 | */ |
| 2059 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 2060 | status = be_cmd_cq_create(adapter, cq, eq, false, 3); |
| 2061 | if (status) |
| 2062 | return status; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2063 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2064 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2065 | } |
| 2066 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2067 | static int be_tx_qs_create(struct be_adapter *adapter) |
| 2068 | { |
| 2069 | struct be_tx_obj *txo; |
| 2070 | int i, status; |
| 2071 | |
| 2072 | for_all_tx_queues(adapter, txo, i) { |
| 2073 | status = be_queue_alloc(adapter, &txo->q, TX_Q_LEN, |
| 2074 | sizeof(struct be_eth_wrb)); |
| 2075 | if (status) |
| 2076 | return status; |
| 2077 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame] | 2078 | status = be_cmd_txq_create(adapter, txo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2079 | if (status) |
| 2080 | return status; |
| 2081 | } |
| 2082 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2083 | dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n", |
| 2084 | adapter->num_tx_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2085 | return 0; |
| 2086 | } |
| 2087 | |
| 2088 | static void be_rx_cqs_destroy(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2089 | { |
| 2090 | struct be_queue_info *q; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2091 | struct be_rx_obj *rxo; |
| 2092 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2093 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2094 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2095 | q = &rxo->cq; |
| 2096 | if (q->created) |
| 2097 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 2098 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2099 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2100 | } |
| 2101 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2102 | static int be_rx_cqs_create(struct be_adapter *adapter) |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2103 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2104 | struct be_queue_info *eq, *cq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2105 | struct be_rx_obj *rxo; |
| 2106 | int rc, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2107 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2108 | /* We'll create as many RSS rings as there are irqs. |
| 2109 | * But when there's only one irq there's no use creating RSS rings |
| 2110 | */ |
| 2111 | adapter->num_rx_qs = (num_irqs(adapter) > 1) ? |
| 2112 | num_irqs(adapter) + 1 : 1; |
Sathya Perla | 7f64006 | 2012-06-05 19:37:20 +0000 | [diff] [blame] | 2113 | if (adapter->num_rx_qs != MAX_RX_QS) { |
| 2114 | rtnl_lock(); |
| 2115 | netif_set_real_num_rx_queues(adapter->netdev, |
| 2116 | adapter->num_rx_qs); |
| 2117 | rtnl_unlock(); |
| 2118 | } |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2119 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2120 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2121 | for_all_rx_queues(adapter, rxo, i) { |
| 2122 | rxo->adapter = adapter; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2123 | cq = &rxo->cq; |
| 2124 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, |
| 2125 | sizeof(struct be_eth_rx_compl)); |
| 2126 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2127 | return rc; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2128 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2129 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 2130 | rc = be_cmd_cq_create(adapter, cq, eq, false, 3); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2131 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2132 | return rc; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2133 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2134 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2135 | dev_info(&adapter->pdev->dev, |
| 2136 | "created %d RSS queue(s) and 1 default RX queue\n", |
| 2137 | adapter->num_rx_qs - 1); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2138 | return 0; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2139 | } |
| 2140 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2141 | static irqreturn_t be_intx(int irq, void *dev) |
| 2142 | { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2143 | struct be_eq_obj *eqo = dev; |
| 2144 | struct be_adapter *adapter = eqo->adapter; |
| 2145 | int num_evts = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2146 | |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2147 | /* IRQ is not expected when NAPI is scheduled as the EQ |
| 2148 | * will not be armed. |
| 2149 | * But, this can happen on Lancer INTx where it takes |
| 2150 | * a while to de-assert INTx or in BE2 where occasionaly |
| 2151 | * an interrupt may be raised even when EQ is unarmed. |
| 2152 | * If NAPI is already scheduled, then counting & notifying |
| 2153 | * events will orphan them. |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2154 | */ |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2155 | if (napi_schedule_prep(&eqo->napi)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2156 | num_evts = events_get(eqo); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2157 | __napi_schedule(&eqo->napi); |
| 2158 | if (num_evts) |
| 2159 | eqo->spurious_intr = 0; |
| 2160 | } |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2161 | be_eq_notify(adapter, eqo->q.id, false, true, num_evts); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2162 | |
| 2163 | /* Return IRQ_HANDLED only for the the first spurious intr |
| 2164 | * after a valid intr to stop the kernel from branding |
| 2165 | * this irq as a bad one! |
| 2166 | */ |
| 2167 | if (num_evts || eqo->spurious_intr++ == 0) |
| 2168 | return IRQ_HANDLED; |
| 2169 | else |
| 2170 | return IRQ_NONE; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2171 | } |
| 2172 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2173 | static irqreturn_t be_msix(int irq, void *dev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2174 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2175 | struct be_eq_obj *eqo = dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2176 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2177 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 2178 | napi_schedule(&eqo->napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2179 | return IRQ_HANDLED; |
| 2180 | } |
| 2181 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2182 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2183 | { |
Somnath Kotur | e38b170 | 2013-05-29 22:55:56 +0000 | [diff] [blame] | 2184 | return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2185 | } |
| 2186 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2187 | static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, |
| 2188 | int budget) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2189 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2190 | struct be_adapter *adapter = rxo->adapter; |
| 2191 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2192 | struct be_rx_compl_info *rxcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2193 | u32 work_done; |
| 2194 | |
| 2195 | for (work_done = 0; work_done < budget; work_done++) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2196 | rxcp = be_rx_compl_get(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2197 | if (!rxcp) |
| 2198 | break; |
| 2199 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2200 | /* Is it a flush compl that has no data */ |
| 2201 | if (unlikely(rxcp->num_rcvd == 0)) |
| 2202 | goto loop_continue; |
| 2203 | |
| 2204 | /* Discard compl with partial DMA Lancer B0 */ |
| 2205 | if (unlikely(!rxcp->pkt_size)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2206 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2207 | goto loop_continue; |
Sathya Perla | 6464281 | 2010-12-01 01:04:17 +0000 | [diff] [blame] | 2208 | } |
Padmanabh Ratnakar | 009dd87 | 2011-05-10 05:12:17 +0000 | [diff] [blame] | 2209 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2210 | /* On BE drop pkts that arrive due to imperfect filtering in |
| 2211 | * promiscuous mode on some skews |
| 2212 | */ |
| 2213 | if (unlikely(rxcp->port != adapter->port_num && |
| 2214 | !lancer_chip(adapter))) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2215 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2216 | goto loop_continue; |
| 2217 | } |
| 2218 | |
| 2219 | if (do_gro(rxcp)) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2220 | be_rx_compl_process_gro(rxo, napi, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2221 | else |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2222 | be_rx_compl_process(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2223 | loop_continue: |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2224 | be_rx_stats_update(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2225 | } |
| 2226 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2227 | if (work_done) { |
| 2228 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
Padmanabh Ratnakar | 9372cac | 2011-11-03 01:49:55 +0000 | [diff] [blame] | 2229 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2230 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) |
| 2231 | be_post_rx_frags(rxo, GFP_ATOMIC); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2232 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2233 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2234 | return work_done; |
| 2235 | } |
| 2236 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2237 | static bool be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 2238 | int budget, int idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2239 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2240 | struct be_eth_tx_compl *txcp; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2241 | int num_wrbs = 0, work_done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2242 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2243 | for (work_done = 0; work_done < budget; work_done++) { |
| 2244 | txcp = be_tx_compl_get(&txo->cq); |
| 2245 | if (!txcp) |
| 2246 | break; |
| 2247 | num_wrbs += be_tx_compl_process(adapter, txo, |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2248 | AMAP_GET_BITS(struct amap_eth_tx_compl, |
| 2249 | wrb_index, txcp)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2250 | } |
| 2251 | |
| 2252 | if (work_done) { |
| 2253 | be_cq_notify(adapter, txo->cq.id, true, work_done); |
| 2254 | atomic_sub(num_wrbs, &txo->q.used); |
| 2255 | |
| 2256 | /* As Tx wrbs have been freed up, wake up netdev queue |
| 2257 | * if it was stopped due to lack of tx wrbs. */ |
| 2258 | if (__netif_subqueue_stopped(adapter->netdev, idx) && |
| 2259 | atomic_read(&txo->q.used) < txo->q.len / 2) { |
| 2260 | netif_wake_subqueue(adapter->netdev, idx); |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2261 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2262 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2263 | u64_stats_update_begin(&tx_stats(txo)->sync_compl); |
| 2264 | tx_stats(txo)->tx_compl += work_done; |
| 2265 | u64_stats_update_end(&tx_stats(txo)->sync_compl); |
| 2266 | } |
| 2267 | return (work_done < budget); /* Done */ |
| 2268 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2269 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2270 | int be_poll(struct napi_struct *napi, int budget) |
| 2271 | { |
| 2272 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 2273 | struct be_adapter *adapter = eqo->adapter; |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2274 | int max_work = 0, work, i, num_evts; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2275 | bool tx_done; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2276 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2277 | num_evts = events_get(eqo); |
| 2278 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2279 | /* Process all TXQs serviced by this EQ */ |
| 2280 | for (i = eqo->idx; i < adapter->num_tx_qs; i += adapter->num_evt_qs) { |
| 2281 | tx_done = be_process_tx(adapter, &adapter->tx_obj[i], |
| 2282 | eqo->tx_budget, i); |
| 2283 | if (!tx_done) |
| 2284 | max_work = budget; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2285 | } |
| 2286 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2287 | /* This loop will iterate twice for EQ0 in which |
| 2288 | * completions of the last RXQ (default one) are also processed |
| 2289 | * For other EQs the loop iterates only once |
| 2290 | */ |
| 2291 | for (i = eqo->idx; i < adapter->num_rx_qs; i += adapter->num_evt_qs) { |
| 2292 | work = be_process_rx(&adapter->rx_obj[i], napi, budget); |
| 2293 | max_work = max(work, max_work); |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 2294 | } |
| 2295 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2296 | if (is_mcc_eqo(eqo)) |
| 2297 | be_process_mcc(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2298 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2299 | if (max_work < budget) { |
| 2300 | napi_complete(napi); |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2301 | be_eq_notify(adapter, eqo->q.id, true, false, num_evts); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2302 | } else { |
| 2303 | /* As we'll continue in polling mode, count and clear events */ |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2304 | be_eq_notify(adapter, eqo->q.id, false, false, num_evts); |
Padmanabh Ratnakar | 93c8670 | 2011-12-19 01:53:35 +0000 | [diff] [blame] | 2305 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2306 | return max_work; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2307 | } |
| 2308 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2309 | void be_detect_error(struct be_adapter *adapter) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2310 | { |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2311 | u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; |
| 2312 | u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2313 | u32 i; |
| 2314 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2315 | if (be_hw_error(adapter)) |
Sathya Perla | 72f0248 | 2011-11-10 19:17:58 +0000 | [diff] [blame] | 2316 | return; |
| 2317 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2318 | if (lancer_chip(adapter)) { |
| 2319 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); |
| 2320 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
| 2321 | sliport_err1 = ioread32(adapter->db + |
| 2322 | SLIPORT_ERROR1_OFFSET); |
| 2323 | sliport_err2 = ioread32(adapter->db + |
| 2324 | SLIPORT_ERROR2_OFFSET); |
| 2325 | } |
| 2326 | } else { |
| 2327 | pci_read_config_dword(adapter->pdev, |
| 2328 | PCICFG_UE_STATUS_LOW, &ue_lo); |
| 2329 | pci_read_config_dword(adapter->pdev, |
| 2330 | PCICFG_UE_STATUS_HIGH, &ue_hi); |
| 2331 | pci_read_config_dword(adapter->pdev, |
| 2332 | PCICFG_UE_STATUS_LOW_MASK, &ue_lo_mask); |
| 2333 | pci_read_config_dword(adapter->pdev, |
| 2334 | PCICFG_UE_STATUS_HI_MASK, &ue_hi_mask); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2335 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2336 | ue_lo = (ue_lo & ~ue_lo_mask); |
| 2337 | ue_hi = (ue_hi & ~ue_hi_mask); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2338 | } |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2339 | |
Ajit Khaparde | 1451ae6 | 2012-10-08 18:18:21 +0000 | [diff] [blame] | 2340 | /* On certain platforms BE hardware can indicate spurious UEs. |
| 2341 | * Allow the h/w to stop working completely in case of a real UE. |
| 2342 | * Hence not setting the hw_error for UE detection. |
| 2343 | */ |
| 2344 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2345 | adapter->hw_error = true; |
Sathya Perla | 434b364 | 2011-11-10 19:17:59 +0000 | [diff] [blame] | 2346 | dev_err(&adapter->pdev->dev, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2347 | "Error detected in the card\n"); |
| 2348 | } |
| 2349 | |
| 2350 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
| 2351 | dev_err(&adapter->pdev->dev, |
| 2352 | "ERR: sliport status 0x%x\n", sliport_status); |
| 2353 | dev_err(&adapter->pdev->dev, |
| 2354 | "ERR: sliport error1 0x%x\n", sliport_err1); |
| 2355 | dev_err(&adapter->pdev->dev, |
| 2356 | "ERR: sliport error2 0x%x\n", sliport_err2); |
Ajit Khaparde | d053de9 | 2010-09-03 06:23:30 +0000 | [diff] [blame] | 2357 | } |
| 2358 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2359 | if (ue_lo) { |
| 2360 | for (i = 0; ue_lo; ue_lo >>= 1, i++) { |
| 2361 | if (ue_lo & 1) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2362 | dev_err(&adapter->pdev->dev, |
| 2363 | "UE: %s bit set\n", ue_status_low_desc[i]); |
| 2364 | } |
| 2365 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2366 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2367 | if (ue_hi) { |
| 2368 | for (i = 0; ue_hi; ue_hi >>= 1, i++) { |
| 2369 | if (ue_hi & 1) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2370 | dev_err(&adapter->pdev->dev, |
| 2371 | "UE: %s bit set\n", ue_status_hi_desc[i]); |
| 2372 | } |
| 2373 | } |
| 2374 | |
| 2375 | } |
| 2376 | |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2377 | static void be_msix_disable(struct be_adapter *adapter) |
| 2378 | { |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2379 | if (msix_enabled(adapter)) { |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2380 | pci_disable_msix(adapter->pdev); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2381 | adapter->num_msix_vec = 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2382 | } |
| 2383 | } |
| 2384 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2385 | static uint be_num_rss_want(struct be_adapter *adapter) |
| 2386 | { |
Yuval Mintz | 30e80b5 | 2012-07-01 03:19:00 +0000 | [diff] [blame] | 2387 | u32 num = 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2388 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2389 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2390 | (lancer_chip(adapter) || |
| 2391 | (!sriov_want(adapter) && be_physfn(adapter)))) { |
| 2392 | num = adapter->max_rss_queues; |
Yuval Mintz | 30e80b5 | 2012-07-01 03:19:00 +0000 | [diff] [blame] | 2393 | num = min_t(u32, num, (u32)netif_get_num_default_rss_queues()); |
| 2394 | } |
| 2395 | return num; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2396 | } |
| 2397 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2398 | static int be_msix_enable(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2399 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2400 | #define BE_MIN_MSIX_VECTORS 1 |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2401 | int i, status, num_vec, num_roce_vec = 0; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2402 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2403 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2404 | /* If RSS queues are not used, need a vec for default RX Q */ |
| 2405 | num_vec = min(be_num_rss_want(adapter), num_online_cpus()); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2406 | if (be_roce_supported(adapter)) { |
| 2407 | num_roce_vec = min_t(u32, MAX_ROCE_MSIX_VECTORS, |
| 2408 | (num_online_cpus() + 1)); |
| 2409 | num_roce_vec = min(num_roce_vec, MAX_ROCE_EQS); |
| 2410 | num_vec += num_roce_vec; |
| 2411 | num_vec = min(num_vec, MAX_MSIX_VECTORS); |
| 2412 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2413 | num_vec = max(num_vec, BE_MIN_MSIX_VECTORS); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2414 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2415 | for (i = 0; i < num_vec; i++) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2416 | adapter->msix_entries[i].entry = i; |
| 2417 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2418 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2419 | if (status == 0) { |
| 2420 | goto done; |
| 2421 | } else if (status >= BE_MIN_MSIX_VECTORS) { |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2422 | num_vec = status; |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2423 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, |
| 2424 | num_vec); |
| 2425 | if (!status) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2426 | goto done; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2427 | } |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2428 | |
| 2429 | dev_warn(dev, "MSIx enable failed\n"); |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2430 | /* INTx is not supported in VFs, so fail probe if enable_msix fails */ |
| 2431 | if (!be_physfn(adapter)) |
| 2432 | return status; |
| 2433 | return 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2434 | done: |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2435 | if (be_roce_supported(adapter)) { |
| 2436 | if (num_vec > num_roce_vec) { |
| 2437 | adapter->num_msix_vec = num_vec - num_roce_vec; |
| 2438 | adapter->num_msix_roce_vec = |
| 2439 | num_vec - adapter->num_msix_vec; |
| 2440 | } else { |
| 2441 | adapter->num_msix_vec = num_vec; |
| 2442 | adapter->num_msix_roce_vec = 0; |
| 2443 | } |
| 2444 | } else |
| 2445 | adapter->num_msix_vec = num_vec; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2446 | dev_info(dev, "enabled %d MSI-x vector(s)\n", adapter->num_msix_vec); |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2447 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2448 | } |
| 2449 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2450 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2451 | struct be_eq_obj *eqo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2452 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2453 | return adapter->msix_entries[eqo->idx].vector; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2454 | } |
| 2455 | |
| 2456 | static int be_msix_register(struct be_adapter *adapter) |
| 2457 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2458 | struct net_device *netdev = adapter->netdev; |
| 2459 | struct be_eq_obj *eqo; |
| 2460 | int status, i, vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2461 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2462 | for_all_evt_queues(adapter, eqo, i) { |
| 2463 | sprintf(eqo->desc, "%s-q%d", netdev->name, i); |
| 2464 | vec = be_msix_vec_get(adapter, eqo); |
| 2465 | status = request_irq(vec, be_msix, 0, eqo->desc, eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2466 | if (status) |
| 2467 | goto err_msix; |
| 2468 | } |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2469 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2470 | return 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2471 | err_msix: |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2472 | for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) |
| 2473 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
| 2474 | dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", |
| 2475 | status); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2476 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2477 | return status; |
| 2478 | } |
| 2479 | |
| 2480 | static int be_irq_register(struct be_adapter *adapter) |
| 2481 | { |
| 2482 | struct net_device *netdev = adapter->netdev; |
| 2483 | int status; |
| 2484 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2485 | if (msix_enabled(adapter)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2486 | status = be_msix_register(adapter); |
| 2487 | if (status == 0) |
| 2488 | goto done; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2489 | /* INTx is not supported for VF */ |
| 2490 | if (!be_physfn(adapter)) |
| 2491 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2492 | } |
| 2493 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2494 | /* INTx: only the first EQ is used */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2495 | netdev->irq = adapter->pdev->irq; |
| 2496 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2497 | &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2498 | if (status) { |
| 2499 | dev_err(&adapter->pdev->dev, |
| 2500 | "INTx request IRQ failed - err %d\n", status); |
| 2501 | return status; |
| 2502 | } |
| 2503 | done: |
| 2504 | adapter->isr_registered = true; |
| 2505 | return 0; |
| 2506 | } |
| 2507 | |
| 2508 | static void be_irq_unregister(struct be_adapter *adapter) |
| 2509 | { |
| 2510 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2511 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2512 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2513 | |
| 2514 | if (!adapter->isr_registered) |
| 2515 | return; |
| 2516 | |
| 2517 | /* INTx */ |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2518 | if (!msix_enabled(adapter)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2519 | free_irq(netdev->irq, &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2520 | goto done; |
| 2521 | } |
| 2522 | |
| 2523 | /* MSIx */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2524 | for_all_evt_queues(adapter, eqo, i) |
| 2525 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2526 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2527 | done: |
| 2528 | adapter->isr_registered = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2529 | } |
| 2530 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2531 | static void be_rx_qs_destroy(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2532 | { |
| 2533 | struct be_queue_info *q; |
| 2534 | struct be_rx_obj *rxo; |
| 2535 | int i; |
| 2536 | |
| 2537 | for_all_rx_queues(adapter, rxo, i) { |
| 2538 | q = &rxo->q; |
| 2539 | if (q->created) { |
| 2540 | be_cmd_rxq_destroy(adapter, q); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2541 | be_rx_cq_clean(rxo); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2542 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2543 | be_queue_free(adapter, q); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2544 | } |
| 2545 | } |
| 2546 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2547 | static int be_close(struct net_device *netdev) |
| 2548 | { |
| 2549 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2550 | struct be_eq_obj *eqo; |
| 2551 | int i; |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2552 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2553 | be_roce_dev_close(adapter); |
| 2554 | |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 2555 | if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { |
| 2556 | for_all_evt_queues(adapter, eqo, i) |
| 2557 | napi_disable(&eqo->napi); |
| 2558 | adapter->flags &= ~BE_FLAGS_NAPI_ENABLED; |
| 2559 | } |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 2560 | |
| 2561 | be_async_mcc_disable(adapter); |
| 2562 | |
| 2563 | /* Wait for all pending tx completions to arrive so that |
| 2564 | * all tx skbs are freed. |
| 2565 | */ |
| 2566 | be_tx_compl_clean(adapter); |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 2567 | netif_tx_disable(netdev); |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 2568 | |
| 2569 | be_rx_qs_destroy(adapter); |
| 2570 | |
| 2571 | for_all_evt_queues(adapter, eqo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2572 | if (msix_enabled(adapter)) |
| 2573 | synchronize_irq(be_msix_vec_get(adapter, eqo)); |
| 2574 | else |
| 2575 | synchronize_irq(netdev->irq); |
| 2576 | be_eq_clean(eqo); |
Padmanabh Ratnakar | 63fcb27 | 2011-03-07 03:09:17 +0000 | [diff] [blame] | 2577 | } |
| 2578 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2579 | be_irq_unregister(adapter); |
| 2580 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2581 | return 0; |
| 2582 | } |
| 2583 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2584 | static int be_rx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2585 | { |
| 2586 | struct be_rx_obj *rxo; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 2587 | int rc, i, j; |
| 2588 | u8 rsstable[128]; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2589 | |
| 2590 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2591 | rc = be_queue_alloc(adapter, &rxo->q, RX_Q_LEN, |
| 2592 | sizeof(struct be_eth_rx_d)); |
| 2593 | if (rc) |
| 2594 | return rc; |
| 2595 | } |
| 2596 | |
| 2597 | /* The FW would like the default RXQ to be created first */ |
| 2598 | rxo = default_rxo(adapter); |
| 2599 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, rx_frag_size, |
| 2600 | adapter->if_handle, false, &rxo->rss_id); |
| 2601 | if (rc) |
| 2602 | return rc; |
| 2603 | |
| 2604 | for_all_rss_queues(adapter, rxo, i) { |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2605 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2606 | rx_frag_size, adapter->if_handle, |
| 2607 | true, &rxo->rss_id); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2608 | if (rc) |
| 2609 | return rc; |
| 2610 | } |
| 2611 | |
| 2612 | if (be_multi_rxq(adapter)) { |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 2613 | for (j = 0; j < 128; j += adapter->num_rx_qs - 1) { |
| 2614 | for_all_rss_queues(adapter, rxo, i) { |
| 2615 | if ((j + i) >= 128) |
| 2616 | break; |
| 2617 | rsstable[j + i] = rxo->rss_id; |
| 2618 | } |
| 2619 | } |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 2620 | adapter->rss_flags = RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | |
| 2621 | RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6; |
| 2622 | |
| 2623 | if (!BEx_chip(adapter)) |
| 2624 | adapter->rss_flags |= RSS_ENABLE_UDP_IPV4 | |
| 2625 | RSS_ENABLE_UDP_IPV6; |
| 2626 | |
| 2627 | rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, |
| 2628 | 128); |
| 2629 | if (rc) { |
| 2630 | adapter->rss_flags = 0; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2631 | return rc; |
Suresh Reddy | 594ad54 | 2013-04-25 23:03:20 +0000 | [diff] [blame] | 2632 | } |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2633 | } |
| 2634 | |
| 2635 | /* First time posting */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2636 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2637 | be_post_rx_frags(rxo, GFP_KERNEL); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2638 | return 0; |
| 2639 | } |
| 2640 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2641 | static int be_open(struct net_device *netdev) |
| 2642 | { |
| 2643 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2644 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2645 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2646 | struct be_tx_obj *txo; |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 2647 | u8 link_status; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2648 | int status, i; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2649 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2650 | status = be_rx_qs_create(adapter); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2651 | if (status) |
| 2652 | goto err; |
| 2653 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 2654 | status = be_irq_register(adapter); |
| 2655 | if (status) |
| 2656 | goto err; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2657 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2658 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2659 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2660 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2661 | for_all_tx_queues(adapter, txo, i) |
| 2662 | be_cq_notify(adapter, txo->cq.id, true, 0); |
| 2663 | |
Sathya Perla | 7a1e9b2 | 2010-02-17 01:35:11 +0000 | [diff] [blame] | 2664 | be_async_mcc_enable(adapter); |
| 2665 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2666 | for_all_evt_queues(adapter, eqo, i) { |
| 2667 | napi_enable(&eqo->napi); |
| 2668 | be_eq_notify(adapter, eqo->q.id, true, false, 0); |
| 2669 | } |
Somnath Kotur | 04d3d62 | 2013-05-02 03:36:55 +0000 | [diff] [blame] | 2670 | adapter->flags |= BE_FLAGS_NAPI_ENABLED; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2671 | |
Sathya Perla | 323ff71 | 2012-09-28 04:39:43 +0000 | [diff] [blame] | 2672 | status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 2673 | if (!status) |
| 2674 | be_link_status_update(adapter, link_status); |
| 2675 | |
Sathya Perla | fba8755 | 2013-05-08 02:05:50 +0000 | [diff] [blame] | 2676 | netif_tx_start_all_queues(netdev); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2677 | be_roce_dev_open(adapter); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2678 | return 0; |
| 2679 | err: |
| 2680 | be_close(adapter->netdev); |
| 2681 | return -EIO; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2682 | } |
| 2683 | |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2684 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
| 2685 | { |
| 2686 | struct be_dma_mem cmd; |
| 2687 | int status = 0; |
| 2688 | u8 mac[ETH_ALEN]; |
| 2689 | |
| 2690 | memset(mac, 0, ETH_ALEN); |
| 2691 | |
| 2692 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2693 | cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 2694 | GFP_KERNEL | __GFP_ZERO); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2695 | if (cmd.va == NULL) |
| 2696 | return -1; |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2697 | |
| 2698 | if (enable) { |
| 2699 | status = pci_write_config_dword(adapter->pdev, |
| 2700 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); |
| 2701 | if (status) { |
| 2702 | dev_err(&adapter->pdev->dev, |
Frans Pop | 2381a55 | 2010-03-24 07:57:36 +0000 | [diff] [blame] | 2703 | "Could not enable Wake-on-lan\n"); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2704 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
| 2705 | cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2706 | return status; |
| 2707 | } |
| 2708 | status = be_cmd_enable_magic_wol(adapter, |
| 2709 | adapter->netdev->dev_addr, &cmd); |
| 2710 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); |
| 2711 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); |
| 2712 | } else { |
| 2713 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); |
| 2714 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); |
| 2715 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); |
| 2716 | } |
| 2717 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2718 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2719 | return status; |
| 2720 | } |
| 2721 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2722 | /* |
| 2723 | * Generate a seed MAC address from the PF MAC Address using jhash. |
| 2724 | * MAC Address for VFs are assigned incrementally starting from the seed. |
| 2725 | * These addresses are programmed in the ASIC by the PF and the VF driver |
| 2726 | * queries for the MAC address during its probe. |
| 2727 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2728 | static int be_vf_eth_addr_config(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2729 | { |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2730 | u32 vf; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2731 | int status = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2732 | u8 mac[ETH_ALEN]; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2733 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2734 | |
| 2735 | be_vf_eth_addr_generate(adapter, mac); |
| 2736 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2737 | for_all_vfs(adapter, vf_cfg, vf) { |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2738 | if (lancer_chip(adapter)) { |
| 2739 | status = be_cmd_set_mac_list(adapter, mac, 1, vf + 1); |
| 2740 | } else { |
| 2741 | status = be_cmd_pmac_add(adapter, mac, |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2742 | vf_cfg->if_handle, |
| 2743 | &vf_cfg->pmac_id, vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2744 | } |
| 2745 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2746 | if (status) |
| 2747 | dev_err(&adapter->pdev->dev, |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2748 | "Mac address assignment failed for VF %d\n", vf); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2749 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2750 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2751 | |
| 2752 | mac[5] += 1; |
| 2753 | } |
| 2754 | return status; |
| 2755 | } |
| 2756 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2757 | static int be_vfs_mac_query(struct be_adapter *adapter) |
| 2758 | { |
| 2759 | int status, vf; |
| 2760 | u8 mac[ETH_ALEN]; |
| 2761 | struct be_vf_cfg *vf_cfg; |
| 2762 | bool active; |
| 2763 | |
| 2764 | for_all_vfs(adapter, vf_cfg, vf) { |
| 2765 | be_cmd_get_mac_from_list(adapter, mac, &active, |
| 2766 | &vf_cfg->pmac_id, 0); |
| 2767 | |
| 2768 | status = be_cmd_mac_addr_query(adapter, mac, false, |
| 2769 | vf_cfg->if_handle, 0); |
| 2770 | if (status) |
| 2771 | return status; |
| 2772 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
| 2773 | } |
| 2774 | return 0; |
| 2775 | } |
| 2776 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2777 | static void be_vf_clear(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2778 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2779 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2780 | u32 vf; |
| 2781 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 2782 | if (pci_vfs_assigned(adapter->pdev)) { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2783 | dev_warn(&adapter->pdev->dev, |
| 2784 | "VFs are assigned to VMs: not disabling VFs\n"); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2785 | goto done; |
| 2786 | } |
| 2787 | |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 2788 | pci_disable_sriov(adapter->pdev); |
| 2789 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2790 | for_all_vfs(adapter, vf_cfg, vf) { |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2791 | if (lancer_chip(adapter)) |
| 2792 | be_cmd_set_mac_list(adapter, NULL, 0, vf + 1); |
| 2793 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2794 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 2795 | vf_cfg->pmac_id, vf + 1); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2796 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2797 | be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); |
| 2798 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2799 | done: |
| 2800 | kfree(adapter->vf_cfg); |
| 2801 | adapter->num_vfs = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2802 | } |
| 2803 | |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2804 | static int be_clear(struct be_adapter *adapter) |
| 2805 | { |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 2806 | int i = 1; |
| 2807 | |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 2808 | if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { |
| 2809 | cancel_delayed_work_sync(&adapter->work); |
| 2810 | adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; |
| 2811 | } |
| 2812 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2813 | if (sriov_enabled(adapter)) |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2814 | be_vf_clear(adapter); |
| 2815 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 2816 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) |
| 2817 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 2818 | adapter->pmac_id[i], 0); |
| 2819 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2820 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2821 | |
| 2822 | be_mcc_queues_destroy(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2823 | be_rx_cqs_destroy(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2824 | be_tx_queues_destroy(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2825 | be_evt_queues_destroy(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2826 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2827 | kfree(adapter->pmac_id); |
| 2828 | adapter->pmac_id = NULL; |
| 2829 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2830 | be_msix_disable(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2831 | return 0; |
| 2832 | } |
| 2833 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2834 | static int be_vfs_if_create(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2835 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2836 | struct be_vf_cfg *vf_cfg; |
| 2837 | u32 cap_flags, en_flags, vf; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2838 | int status; |
| 2839 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2840 | cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 2841 | BE_IF_FLAGS_MULTICAST; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2842 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2843 | for_all_vfs(adapter, vf_cfg, vf) { |
| 2844 | if (!BE3_chip(adapter)) |
Vasundhara Volam | a05f99d | 2013-04-21 23:28:17 +0000 | [diff] [blame] | 2845 | be_cmd_get_profile_config(adapter, &cap_flags, |
| 2846 | NULL, vf + 1); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2847 | |
| 2848 | /* If a FW profile exists, then cap_flags are updated */ |
| 2849 | en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | |
| 2850 | BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_MULTICAST); |
| 2851 | status = be_cmd_if_create(adapter, cap_flags, en_flags, |
| 2852 | &vf_cfg->if_handle, vf + 1); |
| 2853 | if (status) |
| 2854 | goto err; |
| 2855 | } |
| 2856 | err: |
| 2857 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2858 | } |
| 2859 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2860 | static int be_vf_setup_init(struct be_adapter *adapter) |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2861 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2862 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2863 | int vf; |
| 2864 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2865 | adapter->vf_cfg = kcalloc(adapter->num_vfs, sizeof(*vf_cfg), |
| 2866 | GFP_KERNEL); |
| 2867 | if (!adapter->vf_cfg) |
| 2868 | return -ENOMEM; |
| 2869 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2870 | for_all_vfs(adapter, vf_cfg, vf) { |
| 2871 | vf_cfg->if_handle = -1; |
| 2872 | vf_cfg->pmac_id = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2873 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2874 | return 0; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2875 | } |
| 2876 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2877 | static int be_vf_setup(struct be_adapter *adapter) |
| 2878 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2879 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 2880 | u16 def_vlan, lnk_speed; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2881 | int status, old_vfs, vf; |
| 2882 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame^] | 2883 | u32 privileges; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2884 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 2885 | old_vfs = pci_num_vf(adapter->pdev); |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2886 | if (old_vfs) { |
| 2887 | dev_info(dev, "%d VFs are already enabled\n", old_vfs); |
| 2888 | if (old_vfs != num_vfs) |
| 2889 | dev_warn(dev, "Ignoring num_vfs=%d setting\n", num_vfs); |
| 2890 | adapter->num_vfs = old_vfs; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2891 | } else { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2892 | if (num_vfs > adapter->dev_num_vfs) |
| 2893 | dev_info(dev, "Device supports %d VFs and not %d\n", |
| 2894 | adapter->dev_num_vfs, num_vfs); |
| 2895 | adapter->num_vfs = min_t(u16, num_vfs, adapter->dev_num_vfs); |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 2896 | if (!adapter->num_vfs) |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2897 | return 0; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2898 | } |
| 2899 | |
| 2900 | status = be_vf_setup_init(adapter); |
| 2901 | if (status) |
| 2902 | goto err; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2903 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2904 | if (old_vfs) { |
| 2905 | for_all_vfs(adapter, vf_cfg, vf) { |
| 2906 | status = be_cmd_get_if_id(adapter, vf_cfg, vf); |
| 2907 | if (status) |
| 2908 | goto err; |
| 2909 | } |
| 2910 | } else { |
| 2911 | status = be_vfs_if_create(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2912 | if (status) |
| 2913 | goto err; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2914 | } |
| 2915 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2916 | if (old_vfs) { |
| 2917 | status = be_vfs_mac_query(adapter); |
| 2918 | if (status) |
| 2919 | goto err; |
| 2920 | } else { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2921 | status = be_vf_eth_addr_config(adapter); |
| 2922 | if (status) |
| 2923 | goto err; |
| 2924 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2925 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2926 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 04a0602 | 2013-07-23 15:25:00 +0530 | [diff] [blame^] | 2927 | /* Allow VFs to programs MAC/VLAN filters */ |
| 2928 | status = be_cmd_get_fn_privileges(adapter, &privileges, vf + 1); |
| 2929 | if (!status && !(privileges & BE_PRIV_FILTMGMT)) { |
| 2930 | status = be_cmd_set_fn_privileges(adapter, |
| 2931 | privileges | |
| 2932 | BE_PRIV_FILTMGMT, |
| 2933 | vf + 1); |
| 2934 | if (!status) |
| 2935 | dev_info(dev, "VF%d has FILTMGMT privilege\n", |
| 2936 | vf); |
| 2937 | } |
| 2938 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2939 | /* BE3 FW, by default, caps VF TX-rate to 100mbps. |
| 2940 | * Allow full available bandwidth |
| 2941 | */ |
| 2942 | if (BE3_chip(adapter) && !old_vfs) |
| 2943 | be_cmd_set_qos(adapter, 1000, vf+1); |
| 2944 | |
| 2945 | status = be_cmd_link_status_query(adapter, &lnk_speed, |
| 2946 | NULL, vf + 1); |
| 2947 | if (!status) |
| 2948 | vf_cfg->tx_rate = lnk_speed; |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 2949 | |
| 2950 | status = be_cmd_get_hsw_config(adapter, &def_vlan, |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2951 | vf + 1, vf_cfg->if_handle); |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 2952 | if (status) |
| 2953 | goto err; |
| 2954 | vf_cfg->def_vid = def_vlan; |
Padmanabh Ratnakar | dcf7ebb | 2012-10-20 06:03:49 +0000 | [diff] [blame] | 2955 | |
| 2956 | be_cmd_enable_vf(adapter, vf + 1); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2957 | } |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 2958 | |
| 2959 | if (!old_vfs) { |
| 2960 | status = pci_enable_sriov(adapter->pdev, adapter->num_vfs); |
| 2961 | if (status) { |
| 2962 | dev_err(dev, "SRIOV enable failed\n"); |
| 2963 | adapter->num_vfs = 0; |
| 2964 | goto err; |
| 2965 | } |
| 2966 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2967 | return 0; |
| 2968 | err: |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2969 | dev_err(dev, "VF setup failed\n"); |
| 2970 | be_vf_clear(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2971 | return status; |
| 2972 | } |
| 2973 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2974 | static void be_setup_init(struct be_adapter *adapter) |
| 2975 | { |
| 2976 | adapter->vlan_prio_bmap = 0xff; |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 2977 | adapter->phy.link_speed = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2978 | adapter->if_handle = -1; |
| 2979 | adapter->be3_native = false; |
| 2980 | adapter->promiscuous = false; |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 2981 | if (be_physfn(adapter)) |
| 2982 | adapter->cmd_privileges = MAX_PRIVILEGES; |
| 2983 | else |
| 2984 | adapter->cmd_privileges = MIN_PRIVILEGES; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2985 | } |
| 2986 | |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2987 | static int be_get_mac_addr(struct be_adapter *adapter, u8 *mac, u32 if_handle, |
| 2988 | bool *active_mac, u32 *pmac_id) |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2989 | { |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2990 | int status = 0; |
Padmanabh Ratnakar | e5e1ee8 | 2012-02-03 09:50:17 +0000 | [diff] [blame] | 2991 | |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2992 | if (!is_zero_ether_addr(adapter->netdev->perm_addr)) { |
| 2993 | memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); |
| 2994 | if (!lancer_chip(adapter) && !be_physfn(adapter)) |
| 2995 | *active_mac = true; |
| 2996 | else |
| 2997 | *active_mac = false; |
Padmanabh Ratnakar | e5e1ee8 | 2012-02-03 09:50:17 +0000 | [diff] [blame] | 2998 | |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2999 | return status; |
Padmanabh Ratnakar | e5e1ee8 | 2012-02-03 09:50:17 +0000 | [diff] [blame] | 3000 | } |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3001 | |
| 3002 | if (lancer_chip(adapter)) { |
| 3003 | status = be_cmd_get_mac_from_list(adapter, mac, |
| 3004 | active_mac, pmac_id, 0); |
| 3005 | if (*active_mac) { |
Sathya Perla | 5ee4979 | 2012-09-28 04:39:41 +0000 | [diff] [blame] | 3006 | status = be_cmd_mac_addr_query(adapter, mac, false, |
| 3007 | if_handle, *pmac_id); |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3008 | } |
| 3009 | } else if (be_physfn(adapter)) { |
| 3010 | /* For BE3, for PF get permanent MAC */ |
Sathya Perla | 5ee4979 | 2012-09-28 04:39:41 +0000 | [diff] [blame] | 3011 | status = be_cmd_mac_addr_query(adapter, mac, true, 0, 0); |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3012 | *active_mac = false; |
| 3013 | } else { |
| 3014 | /* For BE3, for VF get soft MAC assigned by PF*/ |
Sathya Perla | 5ee4979 | 2012-09-28 04:39:41 +0000 | [diff] [blame] | 3015 | status = be_cmd_mac_addr_query(adapter, mac, false, |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3016 | if_handle, 0); |
| 3017 | *active_mac = true; |
| 3018 | } |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3019 | return status; |
| 3020 | } |
| 3021 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3022 | static void be_get_resources(struct be_adapter *adapter) |
| 3023 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3024 | u16 dev_num_vfs; |
| 3025 | int pos, status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3026 | bool profile_present = false; |
Vasundhara Volam | a05f99d | 2013-04-21 23:28:17 +0000 | [diff] [blame] | 3027 | u16 txq_count = 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3028 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3029 | if (!BEx_chip(adapter)) { |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3030 | status = be_cmd_get_func_config(adapter); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3031 | if (!status) |
| 3032 | profile_present = true; |
Vasundhara Volam | a05f99d | 2013-04-21 23:28:17 +0000 | [diff] [blame] | 3033 | } else if (BE3_chip(adapter) && be_physfn(adapter)) { |
| 3034 | be_cmd_get_profile_config(adapter, NULL, &txq_count, 0); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3035 | } |
| 3036 | |
| 3037 | if (profile_present) { |
| 3038 | /* Sanity fixes for Lancer */ |
| 3039 | adapter->max_pmac_cnt = min_t(u16, adapter->max_pmac_cnt, |
| 3040 | BE_UC_PMAC_COUNT); |
| 3041 | adapter->max_vlans = min_t(u16, adapter->max_vlans, |
| 3042 | BE_NUM_VLANS_SUPPORTED); |
| 3043 | adapter->max_mcast_mac = min_t(u16, adapter->max_mcast_mac, |
| 3044 | BE_MAX_MC); |
| 3045 | adapter->max_tx_queues = min_t(u16, adapter->max_tx_queues, |
| 3046 | MAX_TX_QS); |
| 3047 | adapter->max_rss_queues = min_t(u16, adapter->max_rss_queues, |
| 3048 | BE3_MAX_RSS_QS); |
| 3049 | adapter->max_event_queues = min_t(u16, |
| 3050 | adapter->max_event_queues, |
| 3051 | BE3_MAX_RSS_QS); |
| 3052 | |
| 3053 | if (adapter->max_rss_queues && |
| 3054 | adapter->max_rss_queues == adapter->max_rx_queues) |
| 3055 | adapter->max_rss_queues -= 1; |
| 3056 | |
| 3057 | if (adapter->max_event_queues < adapter->max_rss_queues) |
| 3058 | adapter->max_rss_queues = adapter->max_event_queues; |
| 3059 | |
| 3060 | } else { |
| 3061 | if (be_physfn(adapter)) |
| 3062 | adapter->max_pmac_cnt = BE_UC_PMAC_COUNT; |
| 3063 | else |
| 3064 | adapter->max_pmac_cnt = BE_VF_UC_PMAC_COUNT; |
| 3065 | |
| 3066 | if (adapter->function_mode & FLEX10_MODE) |
| 3067 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/8; |
| 3068 | else |
| 3069 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; |
| 3070 | |
| 3071 | adapter->max_mcast_mac = BE_MAX_MC; |
Vasundhara Volam | a05f99d | 2013-04-21 23:28:17 +0000 | [diff] [blame] | 3072 | adapter->max_tx_queues = txq_count ? txq_count : MAX_TX_QS; |
| 3073 | adapter->max_tx_queues = min_t(u16, adapter->max_tx_queues, |
| 3074 | MAX_TX_QS); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3075 | adapter->max_rss_queues = (adapter->be3_native) ? |
| 3076 | BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; |
| 3077 | adapter->max_event_queues = BE3_MAX_RSS_QS; |
| 3078 | |
| 3079 | adapter->if_cap_flags = BE_IF_FLAGS_UNTAGGED | |
| 3080 | BE_IF_FLAGS_BROADCAST | |
| 3081 | BE_IF_FLAGS_MULTICAST | |
| 3082 | BE_IF_FLAGS_PASS_L3L4_ERRORS | |
| 3083 | BE_IF_FLAGS_MCAST_PROMISCUOUS | |
| 3084 | BE_IF_FLAGS_VLAN_PROMISCUOUS | |
| 3085 | BE_IF_FLAGS_PROMISCUOUS; |
| 3086 | |
| 3087 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) |
| 3088 | adapter->if_cap_flags |= BE_IF_FLAGS_RSS; |
| 3089 | } |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3090 | |
| 3091 | pos = pci_find_ext_capability(adapter->pdev, PCI_EXT_CAP_ID_SRIOV); |
| 3092 | if (pos) { |
| 3093 | pci_read_config_word(adapter->pdev, pos + PCI_SRIOV_TOTAL_VF, |
| 3094 | &dev_num_vfs); |
| 3095 | if (BE3_chip(adapter)) |
| 3096 | dev_num_vfs = min_t(u16, dev_num_vfs, MAX_VFS); |
| 3097 | adapter->dev_num_vfs = dev_num_vfs; |
| 3098 | } |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3099 | } |
| 3100 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3101 | /* Routine to query per function resource limits */ |
| 3102 | static int be_get_config(struct be_adapter *adapter) |
| 3103 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 3104 | int status; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3105 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3106 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
| 3107 | &adapter->function_mode, |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3108 | &adapter->function_caps, |
| 3109 | &adapter->asic_rev); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3110 | if (status) |
| 3111 | goto err; |
| 3112 | |
| 3113 | be_get_resources(adapter); |
| 3114 | |
| 3115 | /* primary mac needs 1 pmac entry */ |
| 3116 | adapter->pmac_id = kcalloc(adapter->max_pmac_cnt + 1, |
| 3117 | sizeof(u32), GFP_KERNEL); |
| 3118 | if (!adapter->pmac_id) { |
| 3119 | status = -ENOMEM; |
| 3120 | goto err; |
| 3121 | } |
| 3122 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3123 | err: |
| 3124 | return status; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3125 | } |
| 3126 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3127 | static int be_setup(struct be_adapter *adapter) |
| 3128 | { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3129 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3130 | u32 en_flags; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3131 | u32 tx_fc, rx_fc; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3132 | int status; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 3133 | u8 mac[ETH_ALEN]; |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3134 | bool active_mac; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3135 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 3136 | be_setup_init(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3137 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3138 | if (!lancer_chip(adapter)) |
| 3139 | be_cmd_req_native_mode(adapter); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3140 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3141 | status = be_get_config(adapter); |
| 3142 | if (status) |
| 3143 | goto err; |
Sathya Perla | 2dc1deb | 2011-07-19 19:52:33 +0000 | [diff] [blame] | 3144 | |
Somnath Kotur | c2bba3d | 2013-05-02 03:37:08 +0000 | [diff] [blame] | 3145 | status = be_msix_enable(adapter); |
| 3146 | if (status) |
| 3147 | goto err; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3148 | |
| 3149 | status = be_evt_queues_create(adapter); |
| 3150 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3151 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3152 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3153 | status = be_tx_cqs_create(adapter); |
| 3154 | if (status) |
| 3155 | goto err; |
| 3156 | |
| 3157 | status = be_rx_cqs_create(adapter); |
| 3158 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3159 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3160 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3161 | status = be_mcc_queues_create(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3162 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3163 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3164 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3165 | be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); |
| 3166 | /* In UMC mode FW does not return right privileges. |
| 3167 | * Override with correct privilege equivalent to PF. |
| 3168 | */ |
| 3169 | if (be_is_mc(adapter)) |
| 3170 | adapter->cmd_privileges = MAX_PRIVILEGES; |
| 3171 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3172 | en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 3173 | BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS; |
Padmanabh Ratnakar | 5d5adb9 | 2011-11-16 02:03:32 +0000 | [diff] [blame] | 3174 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3175 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3176 | en_flags |= BE_IF_FLAGS_RSS; |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3177 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3178 | en_flags = en_flags & adapter->if_cap_flags; |
Padmanabh Ratnakar | 0b13fb4 | 2012-07-18 02:51:58 +0000 | [diff] [blame] | 3179 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3180 | status = be_cmd_if_create(adapter, adapter->if_cap_flags, en_flags, |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3181 | &adapter->if_handle, 0); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3182 | if (status != 0) |
| 3183 | goto err; |
| 3184 | |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3185 | memset(mac, 0, ETH_ALEN); |
| 3186 | active_mac = false; |
| 3187 | status = be_get_mac_addr(adapter, mac, adapter->if_handle, |
| 3188 | &active_mac, &adapter->pmac_id[0]); |
| 3189 | if (status != 0) |
| 3190 | goto err; |
| 3191 | |
| 3192 | if (!active_mac) { |
| 3193 | status = be_cmd_pmac_add(adapter, mac, adapter->if_handle, |
| 3194 | &adapter->pmac_id[0], 0); |
| 3195 | if (status != 0) |
| 3196 | goto err; |
| 3197 | } |
| 3198 | |
| 3199 | if (is_zero_ether_addr(adapter->netdev->dev_addr)) { |
| 3200 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); |
| 3201 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3202 | } |
Ajit Khaparde | 0dffc83 | 2009-11-29 17:57:46 +0000 | [diff] [blame] | 3203 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3204 | status = be_tx_qs_create(adapter); |
| 3205 | if (status) |
| 3206 | goto err; |
| 3207 | |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 3208 | be_cmd_get_fw_ver(adapter, adapter->fw_ver, adapter->fw_on_flash); |
Somnath Kotur | 5a56eb1 | 2011-09-30 07:24:28 +0000 | [diff] [blame] | 3209 | |
Sathya Perla | 1d1e9a4 | 2012-06-05 19:37:17 +0000 | [diff] [blame] | 3210 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 3211 | be_vid_config(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3212 | |
| 3213 | be_set_rx_mode(adapter->netdev); |
| 3214 | |
Ajit Khaparde | ddc3f5c | 2012-04-26 15:42:31 +0000 | [diff] [blame] | 3215 | be_cmd_get_flow_control(adapter, &tx_fc, &rx_fc); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3216 | |
Ajit Khaparde | ddc3f5c | 2012-04-26 15:42:31 +0000 | [diff] [blame] | 3217 | if (rx_fc != adapter->rx_fc || tx_fc != adapter->tx_fc) |
| 3218 | be_cmd_set_flow_control(adapter, adapter->tx_fc, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3219 | adapter->rx_fc); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3220 | |
Sathya Perla | b4c1df9 | 2013-05-08 02:05:47 +0000 | [diff] [blame] | 3221 | if (be_physfn(adapter)) { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3222 | if (adapter->dev_num_vfs) |
| 3223 | be_vf_setup(adapter); |
| 3224 | else |
| 3225 | dev_warn(dev, "device doesn't support SRIOV\n"); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3226 | } |
| 3227 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3228 | status = be_cmd_get_phy_info(adapter); |
| 3229 | if (!status && be_pause_supported(adapter)) |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3230 | adapter->phy.fc_autoneg = 1; |
| 3231 | |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3232 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 3233 | adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3234 | return 0; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3235 | err: |
| 3236 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3237 | return status; |
| 3238 | } |
| 3239 | |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3240 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3241 | static void be_netpoll(struct net_device *netdev) |
| 3242 | { |
| 3243 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3244 | struct be_eq_obj *eqo; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3245 | int i; |
| 3246 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3247 | for_all_evt_queues(adapter, eqo, i) { |
| 3248 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 3249 | napi_schedule(&eqo->napi); |
| 3250 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3251 | |
| 3252 | return; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3253 | } |
| 3254 | #endif |
| 3255 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3256 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3257 | char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "}; |
| 3258 | |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3259 | static bool be_flash_redboot(struct be_adapter *adapter, |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3260 | const u8 *p, u32 img_start, int image_size, |
| 3261 | int hdr_size) |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3262 | { |
| 3263 | u32 crc_offset; |
| 3264 | u8 flashed_crc[4]; |
| 3265 | int status; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3266 | |
| 3267 | crc_offset = hdr_size + img_start + image_size - 4; |
| 3268 | |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3269 | p += crc_offset; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3270 | |
| 3271 | status = be_cmd_get_flash_crc(adapter, flashed_crc, |
Ajit Khaparde | f510fc6 | 2010-03-31 01:47:45 +0000 | [diff] [blame] | 3272 | (image_size - 4)); |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3273 | if (status) { |
| 3274 | dev_err(&adapter->pdev->dev, |
| 3275 | "could not get crc from flash, not flashing redboot\n"); |
| 3276 | return false; |
| 3277 | } |
| 3278 | |
| 3279 | /*update redboot only if crc does not match*/ |
| 3280 | if (!memcmp(flashed_crc, p, 4)) |
| 3281 | return false; |
| 3282 | else |
| 3283 | return true; |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3284 | } |
| 3285 | |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3286 | static bool phy_flashing_required(struct be_adapter *adapter) |
| 3287 | { |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3288 | return (adapter->phy.phy_type == TN_8022 && |
| 3289 | adapter->phy.interface_type == PHY_TYPE_BASET_10GB); |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3290 | } |
| 3291 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3292 | static bool is_comp_in_ufi(struct be_adapter *adapter, |
| 3293 | struct flash_section_info *fsec, int type) |
| 3294 | { |
| 3295 | int i = 0, img_type = 0; |
| 3296 | struct flash_section_info_g2 *fsec_g2 = NULL; |
| 3297 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3298 | if (BE2_chip(adapter)) |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3299 | fsec_g2 = (struct flash_section_info_g2 *)fsec; |
| 3300 | |
| 3301 | for (i = 0; i < MAX_FLASH_COMP; i++) { |
| 3302 | if (fsec_g2) |
| 3303 | img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type); |
| 3304 | else |
| 3305 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); |
| 3306 | |
| 3307 | if (img_type == type) |
| 3308 | return true; |
| 3309 | } |
| 3310 | return false; |
| 3311 | |
| 3312 | } |
| 3313 | |
| 3314 | struct flash_section_info *get_fsec_info(struct be_adapter *adapter, |
| 3315 | int header_size, |
| 3316 | const struct firmware *fw) |
| 3317 | { |
| 3318 | struct flash_section_info *fsec = NULL; |
| 3319 | const u8 *p = fw->data; |
| 3320 | |
| 3321 | p += header_size; |
| 3322 | while (p < (fw->data + fw->size)) { |
| 3323 | fsec = (struct flash_section_info *)p; |
| 3324 | if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie))) |
| 3325 | return fsec; |
| 3326 | p += 32; |
| 3327 | } |
| 3328 | return NULL; |
| 3329 | } |
| 3330 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3331 | static int be_flash(struct be_adapter *adapter, const u8 *img, |
| 3332 | struct be_dma_mem *flash_cmd, int optype, int img_size) |
| 3333 | { |
| 3334 | u32 total_bytes = 0, flash_op, num_bytes = 0; |
| 3335 | int status = 0; |
| 3336 | struct be_cmd_write_flashrom *req = flash_cmd->va; |
| 3337 | |
| 3338 | total_bytes = img_size; |
| 3339 | while (total_bytes) { |
| 3340 | num_bytes = min_t(u32, 32*1024, total_bytes); |
| 3341 | |
| 3342 | total_bytes -= num_bytes; |
| 3343 | |
| 3344 | if (!total_bytes) { |
| 3345 | if (optype == OPTYPE_PHY_FW) |
| 3346 | flash_op = FLASHROM_OPER_PHY_FLASH; |
| 3347 | else |
| 3348 | flash_op = FLASHROM_OPER_FLASH; |
| 3349 | } else { |
| 3350 | if (optype == OPTYPE_PHY_FW) |
| 3351 | flash_op = FLASHROM_OPER_PHY_SAVE; |
| 3352 | else |
| 3353 | flash_op = FLASHROM_OPER_SAVE; |
| 3354 | } |
| 3355 | |
Padmanabh Ratnakar | be71644 | 2012-10-22 23:02:44 +0000 | [diff] [blame] | 3356 | memcpy(req->data_buf, img, num_bytes); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3357 | img += num_bytes; |
| 3358 | status = be_cmd_write_flashrom(adapter, flash_cmd, optype, |
| 3359 | flash_op, num_bytes); |
| 3360 | if (status) { |
| 3361 | if (status == ILLEGAL_IOCTL_REQ && |
| 3362 | optype == OPTYPE_PHY_FW) |
| 3363 | break; |
| 3364 | dev_err(&adapter->pdev->dev, |
| 3365 | "cmd to write to flash rom failed.\n"); |
| 3366 | return status; |
| 3367 | } |
| 3368 | } |
| 3369 | return 0; |
| 3370 | } |
| 3371 | |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3372 | /* For BE2, BE3 and BE3-R */ |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3373 | static int be_flash_BEx(struct be_adapter *adapter, |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3374 | const struct firmware *fw, |
| 3375 | struct be_dma_mem *flash_cmd, |
| 3376 | int num_of_images) |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3377 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3378 | { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3379 | int status = 0, i, filehdr_size = 0; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3380 | int img_hdrs_size = (num_of_images * sizeof(struct image_hdr)); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3381 | const u8 *p = fw->data; |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 3382 | const struct flash_comp *pflashcomp; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3383 | int num_comp, redboot; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3384 | struct flash_section_info *fsec = NULL; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3385 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3386 | struct flash_comp gen3_flash_types[] = { |
| 3387 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, OPTYPE_ISCSI_ACTIVE, |
| 3388 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_iSCSI}, |
| 3389 | { FLASH_REDBOOT_START_g3, OPTYPE_REDBOOT, |
| 3390 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3, IMAGE_BOOT_CODE}, |
| 3391 | { FLASH_iSCSI_BIOS_START_g3, OPTYPE_BIOS, |
| 3392 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_ISCSI}, |
| 3393 | { FLASH_PXE_BIOS_START_g3, OPTYPE_PXE_BIOS, |
| 3394 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_PXE}, |
| 3395 | { FLASH_FCoE_BIOS_START_g3, OPTYPE_FCOE_BIOS, |
| 3396 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_FCoE}, |
| 3397 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, OPTYPE_ISCSI_BACKUP, |
| 3398 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 3399 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, OPTYPE_FCOE_FW_ACTIVE, |
| 3400 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_FCoE}, |
| 3401 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, OPTYPE_FCOE_FW_BACKUP, |
| 3402 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_FCoE}, |
| 3403 | { FLASH_NCSI_START_g3, OPTYPE_NCSI_FW, |
| 3404 | FLASH_NCSI_IMAGE_MAX_SIZE_g3, IMAGE_NCSI}, |
| 3405 | { FLASH_PHY_FW_START_g3, OPTYPE_PHY_FW, |
| 3406 | FLASH_PHY_FW_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_PHY} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3407 | }; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3408 | |
| 3409 | struct flash_comp gen2_flash_types[] = { |
| 3410 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, OPTYPE_ISCSI_ACTIVE, |
| 3411 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_iSCSI}, |
| 3412 | { FLASH_REDBOOT_START_g2, OPTYPE_REDBOOT, |
| 3413 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2, IMAGE_BOOT_CODE}, |
| 3414 | { FLASH_iSCSI_BIOS_START_g2, OPTYPE_BIOS, |
| 3415 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_ISCSI}, |
| 3416 | { FLASH_PXE_BIOS_START_g2, OPTYPE_PXE_BIOS, |
| 3417 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_PXE}, |
| 3418 | { FLASH_FCoE_BIOS_START_g2, OPTYPE_FCOE_BIOS, |
| 3419 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_FCoE}, |
| 3420 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, OPTYPE_ISCSI_BACKUP, |
| 3421 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 3422 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, OPTYPE_FCOE_FW_ACTIVE, |
| 3423 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_FCoE}, |
| 3424 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, OPTYPE_FCOE_FW_BACKUP, |
| 3425 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_FCoE} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3426 | }; |
| 3427 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3428 | if (BE3_chip(adapter)) { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3429 | pflashcomp = gen3_flash_types; |
| 3430 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 3431 | num_comp = ARRAY_SIZE(gen3_flash_types); |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3432 | } else { |
| 3433 | pflashcomp = gen2_flash_types; |
| 3434 | filehdr_size = sizeof(struct flash_file_hdr_g2); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 3435 | num_comp = ARRAY_SIZE(gen2_flash_types); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3436 | } |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3437 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3438 | /* Get flash section info*/ |
| 3439 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 3440 | if (!fsec) { |
| 3441 | dev_err(&adapter->pdev->dev, |
| 3442 | "Invalid Cookie. UFI corrupted ?\n"); |
| 3443 | return -1; |
| 3444 | } |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 3445 | for (i = 0; i < num_comp; i++) { |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3446 | if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type)) |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 3447 | continue; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3448 | |
| 3449 | if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) && |
| 3450 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) |
| 3451 | continue; |
| 3452 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3453 | if (pflashcomp[i].optype == OPTYPE_PHY_FW && |
| 3454 | !phy_flashing_required(adapter)) |
| 3455 | continue; |
| 3456 | |
| 3457 | if (pflashcomp[i].optype == OPTYPE_REDBOOT) { |
| 3458 | redboot = be_flash_redboot(adapter, fw->data, |
| 3459 | pflashcomp[i].offset, pflashcomp[i].size, |
| 3460 | filehdr_size + img_hdrs_size); |
| 3461 | if (!redboot) |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3462 | continue; |
| 3463 | } |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3464 | |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3465 | p = fw->data; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3466 | p += filehdr_size + pflashcomp[i].offset + img_hdrs_size; |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3467 | if (p + pflashcomp[i].size > fw->data + fw->size) |
| 3468 | return -1; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3469 | |
| 3470 | status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype, |
| 3471 | pflashcomp[i].size); |
| 3472 | if (status) { |
| 3473 | dev_err(&adapter->pdev->dev, |
| 3474 | "Flashing section type %d failed.\n", |
| 3475 | pflashcomp[i].img_type); |
| 3476 | return status; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3477 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3478 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3479 | return 0; |
| 3480 | } |
| 3481 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3482 | static int be_flash_skyhawk(struct be_adapter *adapter, |
| 3483 | const struct firmware *fw, |
| 3484 | struct be_dma_mem *flash_cmd, int num_of_images) |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3485 | { |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3486 | int status = 0, i, filehdr_size = 0; |
| 3487 | int img_offset, img_size, img_optype, redboot; |
| 3488 | int img_hdrs_size = num_of_images * sizeof(struct image_hdr); |
| 3489 | const u8 *p = fw->data; |
| 3490 | struct flash_section_info *fsec = NULL; |
| 3491 | |
| 3492 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
| 3493 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 3494 | if (!fsec) { |
| 3495 | dev_err(&adapter->pdev->dev, |
| 3496 | "Invalid Cookie. UFI corrupted ?\n"); |
| 3497 | return -1; |
| 3498 | } |
| 3499 | |
| 3500 | for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) { |
| 3501 | img_offset = le32_to_cpu(fsec->fsec_entry[i].offset); |
| 3502 | img_size = le32_to_cpu(fsec->fsec_entry[i].pad_size); |
| 3503 | |
| 3504 | switch (le32_to_cpu(fsec->fsec_entry[i].type)) { |
| 3505 | case IMAGE_FIRMWARE_iSCSI: |
| 3506 | img_optype = OPTYPE_ISCSI_ACTIVE; |
| 3507 | break; |
| 3508 | case IMAGE_BOOT_CODE: |
| 3509 | img_optype = OPTYPE_REDBOOT; |
| 3510 | break; |
| 3511 | case IMAGE_OPTION_ROM_ISCSI: |
| 3512 | img_optype = OPTYPE_BIOS; |
| 3513 | break; |
| 3514 | case IMAGE_OPTION_ROM_PXE: |
| 3515 | img_optype = OPTYPE_PXE_BIOS; |
| 3516 | break; |
| 3517 | case IMAGE_OPTION_ROM_FCoE: |
| 3518 | img_optype = OPTYPE_FCOE_BIOS; |
| 3519 | break; |
| 3520 | case IMAGE_FIRMWARE_BACKUP_iSCSI: |
| 3521 | img_optype = OPTYPE_ISCSI_BACKUP; |
| 3522 | break; |
| 3523 | case IMAGE_NCSI: |
| 3524 | img_optype = OPTYPE_NCSI_FW; |
| 3525 | break; |
| 3526 | default: |
| 3527 | continue; |
| 3528 | } |
| 3529 | |
| 3530 | if (img_optype == OPTYPE_REDBOOT) { |
| 3531 | redboot = be_flash_redboot(adapter, fw->data, |
| 3532 | img_offset, img_size, |
| 3533 | filehdr_size + img_hdrs_size); |
| 3534 | if (!redboot) |
| 3535 | continue; |
| 3536 | } |
| 3537 | |
| 3538 | p = fw->data; |
| 3539 | p += filehdr_size + img_offset + img_hdrs_size; |
| 3540 | if (p + img_size > fw->data + fw->size) |
| 3541 | return -1; |
| 3542 | |
| 3543 | status = be_flash(adapter, p, flash_cmd, img_optype, img_size); |
| 3544 | if (status) { |
| 3545 | dev_err(&adapter->pdev->dev, |
| 3546 | "Flashing section type %d failed.\n", |
| 3547 | fsec->fsec_entry[i].type); |
| 3548 | return status; |
| 3549 | } |
| 3550 | } |
| 3551 | return 0; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3552 | } |
| 3553 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3554 | static int lancer_fw_download(struct be_adapter *adapter, |
| 3555 | const struct firmware *fw) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3556 | { |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3557 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) |
| 3558 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" |
| 3559 | struct be_dma_mem flash_cmd; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3560 | const u8 *data_ptr = NULL; |
| 3561 | u8 *dest_image_ptr = NULL; |
| 3562 | size_t image_size = 0; |
| 3563 | u32 chunk_size = 0; |
| 3564 | u32 data_written = 0; |
| 3565 | u32 offset = 0; |
| 3566 | int status = 0; |
| 3567 | u8 add_status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3568 | u8 change_status; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3569 | |
| 3570 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { |
| 3571 | dev_err(&adapter->pdev->dev, |
| 3572 | "FW Image not properly aligned. " |
| 3573 | "Length must be 4 byte aligned.\n"); |
| 3574 | status = -EINVAL; |
| 3575 | goto lancer_fw_exit; |
| 3576 | } |
| 3577 | |
| 3578 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) |
| 3579 | + LANCER_FW_DOWNLOAD_CHUNK; |
| 3580 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
Joe Perches | d0320f7 | 2013-03-14 13:07:21 +0000 | [diff] [blame] | 3581 | &flash_cmd.dma, GFP_KERNEL); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3582 | if (!flash_cmd.va) { |
| 3583 | status = -ENOMEM; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3584 | goto lancer_fw_exit; |
| 3585 | } |
| 3586 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3587 | dest_image_ptr = flash_cmd.va + |
| 3588 | sizeof(struct lancer_cmd_req_write_object); |
| 3589 | image_size = fw->size; |
| 3590 | data_ptr = fw->data; |
| 3591 | |
| 3592 | while (image_size) { |
| 3593 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); |
| 3594 | |
| 3595 | /* Copy the image chunk content. */ |
| 3596 | memcpy(dest_image_ptr, data_ptr, chunk_size); |
| 3597 | |
| 3598 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3599 | chunk_size, offset, |
| 3600 | LANCER_FW_DOWNLOAD_LOCATION, |
| 3601 | &data_written, &change_status, |
| 3602 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3603 | if (status) |
| 3604 | break; |
| 3605 | |
| 3606 | offset += data_written; |
| 3607 | data_ptr += data_written; |
| 3608 | image_size -= data_written; |
| 3609 | } |
| 3610 | |
| 3611 | if (!status) { |
| 3612 | /* Commit the FW written */ |
| 3613 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3614 | 0, offset, |
| 3615 | LANCER_FW_DOWNLOAD_LOCATION, |
| 3616 | &data_written, &change_status, |
| 3617 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3618 | } |
| 3619 | |
| 3620 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
| 3621 | flash_cmd.dma); |
| 3622 | if (status) { |
| 3623 | dev_err(&adapter->pdev->dev, |
| 3624 | "Firmware load error. " |
| 3625 | "Status code: 0x%x Additional Status: 0x%x\n", |
| 3626 | status, add_status); |
| 3627 | goto lancer_fw_exit; |
| 3628 | } |
| 3629 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3630 | if (change_status == LANCER_FW_RESET_NEEDED) { |
Somnath Kotur | 5c51081 | 2013-05-30 02:52:23 +0000 | [diff] [blame] | 3631 | status = lancer_physdev_ctrl(adapter, |
| 3632 | PHYSDEV_CONTROL_FW_RESET_MASK); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3633 | if (status) { |
| 3634 | dev_err(&adapter->pdev->dev, |
| 3635 | "Adapter busy for FW reset.\n" |
| 3636 | "New FW will not be active.\n"); |
| 3637 | goto lancer_fw_exit; |
| 3638 | } |
| 3639 | } else if (change_status != LANCER_NO_RESET_NEEDED) { |
| 3640 | dev_err(&adapter->pdev->dev, |
| 3641 | "System reboot required for new FW" |
| 3642 | " to be active\n"); |
| 3643 | } |
| 3644 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3645 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
| 3646 | lancer_fw_exit: |
| 3647 | return status; |
| 3648 | } |
| 3649 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3650 | #define UFI_TYPE2 2 |
| 3651 | #define UFI_TYPE3 3 |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3652 | #define UFI_TYPE3R 10 |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3653 | #define UFI_TYPE4 4 |
| 3654 | static int be_get_ufi_type(struct be_adapter *adapter, |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3655 | struct flash_file_hdr_g3 *fhdr) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3656 | { |
| 3657 | if (fhdr == NULL) |
| 3658 | goto be_get_ufi_exit; |
| 3659 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3660 | if (skyhawk_chip(adapter) && fhdr->build[0] == '4') |
| 3661 | return UFI_TYPE4; |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3662 | else if (BE3_chip(adapter) && fhdr->build[0] == '3') { |
| 3663 | if (fhdr->asic_type_rev == 0x10) |
| 3664 | return UFI_TYPE3R; |
| 3665 | else |
| 3666 | return UFI_TYPE3; |
| 3667 | } else if (BE2_chip(adapter) && fhdr->build[0] == '2') |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3668 | return UFI_TYPE2; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3669 | |
| 3670 | be_get_ufi_exit: |
| 3671 | dev_err(&adapter->pdev->dev, |
| 3672 | "UFI and Interface are not compatible for flashing\n"); |
| 3673 | return -1; |
| 3674 | } |
| 3675 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3676 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) |
| 3677 | { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3678 | struct flash_file_hdr_g3 *fhdr3; |
| 3679 | struct image_hdr *img_hdr_ptr = NULL; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3680 | struct be_dma_mem flash_cmd; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3681 | const u8 *p; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3682 | int status = 0, i = 0, num_imgs = 0, ufi_type = 0; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3683 | |
Padmanabh Ratnakar | be71644 | 2012-10-22 23:02:44 +0000 | [diff] [blame] | 3684 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3685 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
| 3686 | &flash_cmd.dma, GFP_KERNEL); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3687 | if (!flash_cmd.va) { |
| 3688 | status = -ENOMEM; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3689 | goto be_fw_exit; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3690 | } |
| 3691 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3692 | p = fw->data; |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3693 | fhdr3 = (struct flash_file_hdr_g3 *)p; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3694 | |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3695 | ufi_type = be_get_ufi_type(adapter, fhdr3); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3696 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3697 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
| 3698 | for (i = 0; i < num_imgs; i++) { |
| 3699 | img_hdr_ptr = (struct image_hdr *)(fw->data + |
| 3700 | (sizeof(struct flash_file_hdr_g3) + |
| 3701 | i * sizeof(struct image_hdr))); |
| 3702 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) { |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3703 | switch (ufi_type) { |
| 3704 | case UFI_TYPE4: |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3705 | status = be_flash_skyhawk(adapter, fw, |
| 3706 | &flash_cmd, num_imgs); |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3707 | break; |
| 3708 | case UFI_TYPE3R: |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3709 | status = be_flash_BEx(adapter, fw, &flash_cmd, |
| 3710 | num_imgs); |
Vasundhara Volam | 0ad3157 | 2013-04-21 23:28:16 +0000 | [diff] [blame] | 3711 | break; |
| 3712 | case UFI_TYPE3: |
| 3713 | /* Do not flash this ufi on BE3-R cards */ |
| 3714 | if (adapter->asic_rev < 0x10) |
| 3715 | status = be_flash_BEx(adapter, fw, |
| 3716 | &flash_cmd, |
| 3717 | num_imgs); |
| 3718 | else { |
| 3719 | status = -1; |
| 3720 | dev_err(&adapter->pdev->dev, |
| 3721 | "Can't load BE3 UFI on BE3R\n"); |
| 3722 | } |
| 3723 | } |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3724 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3725 | } |
| 3726 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3727 | if (ufi_type == UFI_TYPE2) |
| 3728 | status = be_flash_BEx(adapter, fw, &flash_cmd, 0); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3729 | else if (ufi_type == -1) |
| 3730 | status = -1; |
| 3731 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3732 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
| 3733 | flash_cmd.dma); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3734 | if (status) { |
| 3735 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3736 | goto be_fw_exit; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3737 | } |
| 3738 | |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 3739 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3740 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3741 | be_fw_exit: |
| 3742 | return status; |
| 3743 | } |
| 3744 | |
| 3745 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) |
| 3746 | { |
| 3747 | const struct firmware *fw; |
| 3748 | int status; |
| 3749 | |
| 3750 | if (!netif_running(adapter->netdev)) { |
| 3751 | dev_err(&adapter->pdev->dev, |
| 3752 | "Firmware load not allowed (interface is down)\n"); |
| 3753 | return -1; |
| 3754 | } |
| 3755 | |
| 3756 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); |
| 3757 | if (status) |
| 3758 | goto fw_exit; |
| 3759 | |
| 3760 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
| 3761 | |
| 3762 | if (lancer_chip(adapter)) |
| 3763 | status = lancer_fw_download(adapter, fw); |
| 3764 | else |
| 3765 | status = be_fw_download(adapter, fw); |
| 3766 | |
Somnath Kotur | eeb65ce | 2013-05-26 21:08:36 +0000 | [diff] [blame] | 3767 | if (!status) |
| 3768 | be_cmd_get_fw_ver(adapter, adapter->fw_ver, |
| 3769 | adapter->fw_on_flash); |
| 3770 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3771 | fw_exit: |
| 3772 | release_firmware(fw); |
| 3773 | return status; |
| 3774 | } |
| 3775 | |
stephen hemminger | e5686ad | 2012-01-05 19:10:25 +0000 | [diff] [blame] | 3776 | static const struct net_device_ops be_netdev_ops = { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3777 | .ndo_open = be_open, |
| 3778 | .ndo_stop = be_close, |
| 3779 | .ndo_start_xmit = be_xmit, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3780 | .ndo_set_rx_mode = be_set_rx_mode, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3781 | .ndo_set_mac_address = be_mac_addr_set, |
| 3782 | .ndo_change_mtu = be_change_mtu, |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 3783 | .ndo_get_stats64 = be_get_stats64, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3784 | .ndo_validate_addr = eth_validate_addr, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3785 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
| 3786 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 3787 | .ndo_set_vf_mac = be_set_vf_mac, |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 3788 | .ndo_set_vf_vlan = be_set_vf_vlan, |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 3789 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3790 | .ndo_get_vf_config = be_get_vf_config, |
| 3791 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3792 | .ndo_poll_controller = be_netpoll, |
| 3793 | #endif |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3794 | }; |
| 3795 | |
| 3796 | static void be_netdev_init(struct net_device *netdev) |
| 3797 | { |
| 3798 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3799 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3800 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3801 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 3802 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 3803 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 3804 | NETIF_F_HW_VLAN_CTAG_TX; |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 3805 | if (be_multi_rxq(adapter)) |
| 3806 | netdev->hw_features |= NETIF_F_RXHASH; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 3807 | |
| 3808 | netdev->features |= netdev->hw_features | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 3809 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 3810 | |
Padmanabh Ratnakar | eb8a50d | 2011-06-11 15:58:46 -0700 | [diff] [blame] | 3811 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 3812 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
Ajit Khaparde | 51c5987 | 2009-11-29 17:54:54 +0000 | [diff] [blame] | 3813 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 3814 | netdev->priv_flags |= IFF_UNICAST_FLT; |
| 3815 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3816 | netdev->flags |= IFF_MULTICAST; |
| 3817 | |
Sarveshwar Bandi | b7e5887 | 2012-06-13 19:51:43 +0000 | [diff] [blame] | 3818 | netif_set_gso_max_size(netdev, 65535 - ETH_HLEN); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 3819 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3820 | netdev->netdev_ops = &be_netdev_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3821 | |
| 3822 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); |
| 3823 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3824 | for_all_evt_queues(adapter, eqo, i) |
| 3825 | netif_napi_add(netdev, &eqo->napi, be_poll, BE_NAPI_WEIGHT); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3826 | } |
| 3827 | |
| 3828 | static void be_unmap_pci_bars(struct be_adapter *adapter) |
| 3829 | { |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 3830 | if (adapter->csr) |
| 3831 | pci_iounmap(adapter->pdev, adapter->csr); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3832 | if (adapter->db) |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3833 | pci_iounmap(adapter->pdev, adapter->db); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3834 | } |
| 3835 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3836 | static int db_bar(struct be_adapter *adapter) |
| 3837 | { |
| 3838 | if (lancer_chip(adapter) || !be_physfn(adapter)) |
| 3839 | return 0; |
| 3840 | else |
| 3841 | return 4; |
| 3842 | } |
| 3843 | |
| 3844 | static int be_roce_map_pci_bars(struct be_adapter *adapter) |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3845 | { |
Sathya Perla | dbf0f2a | 2012-11-06 17:49:00 +0000 | [diff] [blame] | 3846 | if (skyhawk_chip(adapter)) { |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3847 | adapter->roce_db.size = 4096; |
| 3848 | adapter->roce_db.io_addr = pci_resource_start(adapter->pdev, |
| 3849 | db_bar(adapter)); |
| 3850 | adapter->roce_db.total_size = pci_resource_len(adapter->pdev, |
| 3851 | db_bar(adapter)); |
| 3852 | } |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3853 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3854 | } |
| 3855 | |
| 3856 | static int be_map_pci_bars(struct be_adapter *adapter) |
| 3857 | { |
| 3858 | u8 __iomem *addr; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3859 | u32 sli_intf; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3860 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3861 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 3862 | adapter->if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> |
| 3863 | SLI_INTF_IF_TYPE_SHIFT; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 3864 | |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 3865 | if (BEx_chip(adapter) && be_physfn(adapter)) { |
| 3866 | adapter->csr = pci_iomap(adapter->pdev, 2, 0); |
| 3867 | if (adapter->csr == NULL) |
| 3868 | return -ENOMEM; |
| 3869 | } |
| 3870 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3871 | addr = pci_iomap(adapter->pdev, db_bar(adapter), 0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3872 | if (addr == NULL) |
| 3873 | goto pci_map_err; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3874 | adapter->db = addr; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3875 | |
| 3876 | be_roce_map_pci_bars(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3877 | return 0; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3878 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3879 | pci_map_err: |
| 3880 | be_unmap_pci_bars(adapter); |
| 3881 | return -ENOMEM; |
| 3882 | } |
| 3883 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3884 | static void be_ctrl_cleanup(struct be_adapter *adapter) |
| 3885 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3886 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3887 | |
| 3888 | be_unmap_pci_bars(adapter); |
| 3889 | |
| 3890 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3891 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 3892 | mem->dma); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3893 | |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 3894 | mem = &adapter->rx_filter; |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3895 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3896 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 3897 | mem->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3898 | } |
| 3899 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3900 | static int be_ctrl_init(struct be_adapter *adapter) |
| 3901 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3902 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
| 3903 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 3904 | struct be_dma_mem *rx_filter = &adapter->rx_filter; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3905 | u32 sli_intf; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3906 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3907 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3908 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 3909 | adapter->sli_family = (sli_intf & SLI_INTF_FAMILY_MASK) >> |
| 3910 | SLI_INTF_FAMILY_SHIFT; |
| 3911 | adapter->virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; |
| 3912 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3913 | status = be_map_pci_bars(adapter); |
| 3914 | if (status) |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3915 | goto done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3916 | |
| 3917 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3918 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
| 3919 | mbox_mem_alloc->size, |
| 3920 | &mbox_mem_alloc->dma, |
| 3921 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3922 | if (!mbox_mem_alloc->va) { |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3923 | status = -ENOMEM; |
| 3924 | goto unmap_pci_bars; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3925 | } |
| 3926 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
| 3927 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); |
| 3928 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); |
| 3929 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3930 | |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 3931 | rx_filter->size = sizeof(struct be_cmd_req_rx_filter); |
| 3932 | rx_filter->va = dma_alloc_coherent(&adapter->pdev->dev, rx_filter->size, |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 3933 | &rx_filter->dma, |
| 3934 | GFP_KERNEL | __GFP_ZERO); |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 3935 | if (rx_filter->va == NULL) { |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3936 | status = -ENOMEM; |
| 3937 | goto free_mbox; |
| 3938 | } |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 3939 | |
Ivan Vecera | 2984961 | 2010-12-14 05:43:19 +0000 | [diff] [blame] | 3940 | mutex_init(&adapter->mbox_lock); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3941 | spin_lock_init(&adapter->mcc_lock); |
| 3942 | spin_lock_init(&adapter->mcc_cq_lock); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3943 | |
Sarveshwar Bandi | dd131e7 | 2010-05-25 16:16:32 -0700 | [diff] [blame] | 3944 | init_completion(&adapter->flash_compl); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 3945 | pci_save_state(adapter->pdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3946 | return 0; |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3947 | |
| 3948 | free_mbox: |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3949 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
| 3950 | mbox_mem_alloc->va, mbox_mem_alloc->dma); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3951 | |
| 3952 | unmap_pci_bars: |
| 3953 | be_unmap_pci_bars(adapter); |
| 3954 | |
| 3955 | done: |
| 3956 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3957 | } |
| 3958 | |
| 3959 | static void be_stats_cleanup(struct be_adapter *adapter) |
| 3960 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3961 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3962 | |
| 3963 | if (cmd->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3964 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
| 3965 | cmd->va, cmd->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3966 | } |
| 3967 | |
| 3968 | static int be_stats_init(struct be_adapter *adapter) |
| 3969 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3970 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3971 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3972 | if (lancer_chip(adapter)) |
| 3973 | cmd->size = sizeof(struct lancer_cmd_req_pport_stats); |
| 3974 | else if (BE2_chip(adapter)) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 3975 | cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3976 | else |
| 3977 | /* BE3 and Skyhawk */ |
| 3978 | cmd->size = sizeof(struct be_cmd_req_get_stats_v1); |
| 3979 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3980 | cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 3981 | GFP_KERNEL | __GFP_ZERO); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3982 | if (cmd->va == NULL) |
| 3983 | return -1; |
| 3984 | return 0; |
| 3985 | } |
| 3986 | |
Bill Pemberton | 3bc6b06 | 2012-12-03 09:23:09 -0500 | [diff] [blame] | 3987 | static void be_remove(struct pci_dev *pdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3988 | { |
| 3989 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 3990 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3991 | if (!adapter) |
| 3992 | return; |
| 3993 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3994 | be_roce_dev_remove(adapter); |
Somnath Kotur | 8cef7a7 | 2013-03-14 02:41:51 +0000 | [diff] [blame] | 3995 | be_intr_set(adapter, false); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3996 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3997 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
| 3998 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3999 | unregister_netdev(adapter->netdev); |
| 4000 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4001 | be_clear(adapter); |
| 4002 | |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4003 | /* tell fw we're done with firing cmds */ |
| 4004 | be_cmd_fw_clean(adapter); |
| 4005 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4006 | be_stats_cleanup(adapter); |
| 4007 | |
| 4008 | be_ctrl_cleanup(adapter); |
| 4009 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 4010 | pci_disable_pcie_error_reporting(pdev); |
| 4011 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4012 | pci_set_drvdata(pdev, NULL); |
| 4013 | pci_release_regions(pdev); |
| 4014 | pci_disable_device(pdev); |
| 4015 | |
| 4016 | free_netdev(adapter->netdev); |
| 4017 | } |
| 4018 | |
Ajit Khaparde | 4762f6c | 2012-03-18 06:23:11 +0000 | [diff] [blame] | 4019 | bool be_is_wol_supported(struct be_adapter *adapter) |
| 4020 | { |
| 4021 | return ((adapter->wol_cap & BE_WOL_CAP) && |
| 4022 | !be_is_wol_excluded(adapter)) ? true : false; |
| 4023 | } |
| 4024 | |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 4025 | u32 be_get_fw_log_level(struct be_adapter *adapter) |
| 4026 | { |
| 4027 | struct be_dma_mem extfat_cmd; |
| 4028 | struct be_fat_conf_params *cfgs; |
| 4029 | int status; |
| 4030 | u32 level = 0; |
| 4031 | int j; |
| 4032 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 4033 | if (lancer_chip(adapter)) |
| 4034 | return 0; |
| 4035 | |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 4036 | memset(&extfat_cmd, 0, sizeof(struct be_dma_mem)); |
| 4037 | extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps); |
| 4038 | extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size, |
| 4039 | &extfat_cmd.dma); |
| 4040 | |
| 4041 | if (!extfat_cmd.va) { |
| 4042 | dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n", |
| 4043 | __func__); |
| 4044 | goto err; |
| 4045 | } |
| 4046 | |
| 4047 | status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd); |
| 4048 | if (!status) { |
| 4049 | cfgs = (struct be_fat_conf_params *)(extfat_cmd.va + |
| 4050 | sizeof(struct be_cmd_resp_hdr)); |
Anton Blanchard | ac46a46 | 2012-07-24 15:05:25 +0000 | [diff] [blame] | 4051 | for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) { |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 4052 | if (cfgs->module[0].trace_lvl[j].mode == MODE_UART) |
| 4053 | level = cfgs->module[0].trace_lvl[j].dbg_lvl; |
| 4054 | } |
| 4055 | } |
| 4056 | pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va, |
| 4057 | extfat_cmd.dma); |
| 4058 | err: |
| 4059 | return level; |
| 4060 | } |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 4061 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4062 | static int be_get_initial_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4063 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4064 | int status; |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 4065 | u32 level; |
Sathya Perla | 43a04fdc | 2009-10-14 20:21:17 +0000 | [diff] [blame] | 4066 | |
Ajit Khaparde | 9e1453c | 2011-02-20 11:42:22 +0000 | [diff] [blame] | 4067 | status = be_cmd_get_cntl_attributes(adapter); |
| 4068 | if (status) |
| 4069 | return status; |
| 4070 | |
Ajit Khaparde | 4762f6c | 2012-03-18 06:23:11 +0000 | [diff] [blame] | 4071 | status = be_cmd_get_acpi_wol_cap(adapter); |
| 4072 | if (status) { |
| 4073 | /* in case of a failure to get wol capabillities |
| 4074 | * check the exclusion list to determine WOL capability */ |
| 4075 | if (!be_is_wol_excluded(adapter)) |
| 4076 | adapter->wol_cap |= BE_WOL_CAP; |
| 4077 | } |
| 4078 | |
| 4079 | if (be_is_wol_supported(adapter)) |
| 4080 | adapter->wol = true; |
| 4081 | |
Padmanabh Ratnakar | 7aeb215 | 2012-07-12 03:56:46 +0000 | [diff] [blame] | 4082 | /* Must be a power of 2 or else MODULO will BUG_ON */ |
| 4083 | adapter->be_get_temp_freq = 64; |
| 4084 | |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 4085 | level = be_get_fw_log_level(adapter); |
| 4086 | adapter->msg_enable = level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; |
| 4087 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4088 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4089 | } |
| 4090 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4091 | static int lancer_recover_func(struct be_adapter *adapter) |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4092 | { |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4093 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4094 | int status; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4095 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4096 | status = lancer_test_and_set_rdy_state(adapter); |
| 4097 | if (status) |
| 4098 | goto err; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4099 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4100 | if (netif_running(adapter->netdev)) |
| 4101 | be_close(adapter->netdev); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4102 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4103 | be_clear(adapter); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4104 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4105 | be_clear_all_error(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4106 | |
| 4107 | status = be_setup(adapter); |
| 4108 | if (status) |
| 4109 | goto err; |
| 4110 | |
| 4111 | if (netif_running(adapter->netdev)) { |
| 4112 | status = be_open(adapter->netdev); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4113 | if (status) |
| 4114 | goto err; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4115 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4116 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4117 | dev_err(dev, "Error recovery successful\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4118 | return 0; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4119 | err: |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4120 | if (status == -EAGAIN) |
| 4121 | dev_err(dev, "Waiting for resource provisioning\n"); |
| 4122 | else |
| 4123 | dev_err(dev, "Error recovery failed\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4124 | |
| 4125 | return status; |
| 4126 | } |
| 4127 | |
| 4128 | static void be_func_recovery_task(struct work_struct *work) |
| 4129 | { |
| 4130 | struct be_adapter *adapter = |
| 4131 | container_of(work, struct be_adapter, func_recovery_work.work); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4132 | int status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4133 | |
| 4134 | be_detect_error(adapter); |
| 4135 | |
| 4136 | if (adapter->hw_error && lancer_chip(adapter)) { |
| 4137 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4138 | rtnl_lock(); |
| 4139 | netif_device_detach(adapter->netdev); |
| 4140 | rtnl_unlock(); |
| 4141 | |
| 4142 | status = lancer_recover_func(adapter); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4143 | if (!status) |
| 4144 | netif_device_attach(adapter->netdev); |
| 4145 | } |
| 4146 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4147 | /* In Lancer, for all errors other than provisioning error (-EAGAIN), |
| 4148 | * no need to attempt further recovery. |
| 4149 | */ |
| 4150 | if (!status || status == -EAGAIN) |
| 4151 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4152 | msecs_to_jiffies(1000)); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4153 | } |
| 4154 | |
| 4155 | static void be_worker(struct work_struct *work) |
| 4156 | { |
| 4157 | struct be_adapter *adapter = |
| 4158 | container_of(work, struct be_adapter, work.work); |
| 4159 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4160 | struct be_eq_obj *eqo; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4161 | int i; |
| 4162 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4163 | /* when interrupts are not yet enabled, just reap any pending |
| 4164 | * mcc completions */ |
| 4165 | if (!netif_running(adapter->netdev)) { |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 4166 | local_bh_disable(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4167 | be_process_mcc(adapter); |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 4168 | local_bh_enable(); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4169 | goto reschedule; |
| 4170 | } |
| 4171 | |
| 4172 | if (!adapter->stats_cmd_sent) { |
| 4173 | if (lancer_chip(adapter)) |
| 4174 | lancer_cmd_get_pport_stats(adapter, |
| 4175 | &adapter->stats_cmd); |
| 4176 | else |
| 4177 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
| 4178 | } |
| 4179 | |
Padmanabh Ratnakar | 7aeb215 | 2012-07-12 03:56:46 +0000 | [diff] [blame] | 4180 | if (MODULO(adapter->work_counter, adapter->be_get_temp_freq) == 0) |
| 4181 | be_cmd_get_die_temperature(adapter); |
| 4182 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4183 | for_all_rx_queues(adapter, rxo, i) { |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4184 | if (rxo->rx_post_starved) { |
| 4185 | rxo->rx_post_starved = false; |
| 4186 | be_post_rx_frags(rxo, GFP_KERNEL); |
| 4187 | } |
| 4188 | } |
| 4189 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4190 | for_all_evt_queues(adapter, eqo, i) |
| 4191 | be_eqd_update(adapter, eqo); |
| 4192 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4193 | reschedule: |
| 4194 | adapter->work_counter++; |
| 4195 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 4196 | } |
| 4197 | |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 4198 | /* If any VFs are already enabled don't FLR the PF */ |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4199 | static bool be_reset_required(struct be_adapter *adapter) |
| 4200 | { |
Sathya Perla | 257a3fe | 2013-06-14 15:54:51 +0530 | [diff] [blame] | 4201 | return pci_num_vf(adapter->pdev) ? false : true; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4202 | } |
| 4203 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 4204 | static char *mc_name(struct be_adapter *adapter) |
| 4205 | { |
| 4206 | if (adapter->function_mode & FLEX10_MODE) |
| 4207 | return "FLEX10"; |
| 4208 | else if (adapter->function_mode & VNIC_MODE) |
| 4209 | return "vNIC"; |
| 4210 | else if (adapter->function_mode & UMC_ENABLED) |
| 4211 | return "UMC"; |
| 4212 | else |
| 4213 | return ""; |
| 4214 | } |
| 4215 | |
| 4216 | static inline char *func_name(struct be_adapter *adapter) |
| 4217 | { |
| 4218 | return be_physfn(adapter) ? "PF" : "VF"; |
| 4219 | } |
| 4220 | |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 4221 | 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] | 4222 | { |
| 4223 | int status = 0; |
| 4224 | struct be_adapter *adapter; |
| 4225 | struct net_device *netdev; |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 4226 | char port_name; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4227 | |
| 4228 | status = pci_enable_device(pdev); |
| 4229 | if (status) |
| 4230 | goto do_none; |
| 4231 | |
| 4232 | status = pci_request_regions(pdev, DRV_NAME); |
| 4233 | if (status) |
| 4234 | goto disable_dev; |
| 4235 | pci_set_master(pdev); |
| 4236 | |
Sathya Perla | 7f64006 | 2012-06-05 19:37:20 +0000 | [diff] [blame] | 4237 | netdev = alloc_etherdev_mqs(sizeof(*adapter), MAX_TX_QS, MAX_RX_QS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4238 | if (netdev == NULL) { |
| 4239 | status = -ENOMEM; |
| 4240 | goto rel_reg; |
| 4241 | } |
| 4242 | adapter = netdev_priv(netdev); |
| 4243 | adapter->pdev = pdev; |
| 4244 | pci_set_drvdata(pdev, adapter); |
| 4245 | adapter->netdev = netdev; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4246 | SET_NETDEV_DEV(netdev, &pdev->dev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4247 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4248 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4249 | if (!status) { |
Craig Hada | 2bd92cd | 2013-04-21 23:28:18 +0000 | [diff] [blame] | 4250 | status = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); |
| 4251 | if (status < 0) { |
| 4252 | dev_err(&pdev->dev, "dma_set_coherent_mask failed\n"); |
| 4253 | goto free_netdev; |
| 4254 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4255 | netdev->features |= NETIF_F_HIGHDMA; |
| 4256 | } else { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4257 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); |
Somnath Kotur | 0c5fed0 | 2013-06-11 17:18:22 +0530 | [diff] [blame] | 4258 | if (!status) |
| 4259 | status = dma_set_coherent_mask(&pdev->dev, |
| 4260 | DMA_BIT_MASK(32)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4261 | if (status) { |
| 4262 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); |
| 4263 | goto free_netdev; |
| 4264 | } |
| 4265 | } |
| 4266 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 4267 | status = pci_enable_pcie_error_reporting(pdev); |
| 4268 | if (status) |
| 4269 | dev_err(&pdev->dev, "Could not use PCIe error reporting\n"); |
| 4270 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4271 | status = be_ctrl_init(adapter); |
| 4272 | if (status) |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4273 | goto free_netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4274 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4275 | /* sync up with fw's ready state */ |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4276 | if (be_physfn(adapter)) { |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4277 | status = be_fw_wait_ready(adapter); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4278 | if (status) |
| 4279 | goto ctrl_clean; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4280 | } |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4281 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4282 | if (be_reset_required(adapter)) { |
| 4283 | status = be_cmd_reset_function(adapter); |
| 4284 | if (status) |
| 4285 | goto ctrl_clean; |
Sarveshwar Bandi | 556ae19 | 2010-05-24 18:38:25 -0700 | [diff] [blame] | 4286 | |
Kalesh AP | 2d177be | 2013-04-28 22:22:29 +0000 | [diff] [blame] | 4287 | /* Wait for interrupts to quiesce after an FLR */ |
| 4288 | msleep(100); |
| 4289 | } |
Somnath Kotur | 8cef7a7 | 2013-03-14 02:41:51 +0000 | [diff] [blame] | 4290 | |
| 4291 | /* Allow interrupts for other ULPs running on NIC function */ |
| 4292 | be_intr_set(adapter, true); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4293 | |
Kalesh AP | 2d177be | 2013-04-28 22:22:29 +0000 | [diff] [blame] | 4294 | /* tell fw we're ready to fire cmds */ |
| 4295 | status = be_cmd_fw_init(adapter); |
| 4296 | if (status) |
| 4297 | goto ctrl_clean; |
| 4298 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4299 | status = be_stats_init(adapter); |
| 4300 | if (status) |
| 4301 | goto ctrl_clean; |
| 4302 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4303 | status = be_get_initial_config(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4304 | if (status) |
| 4305 | goto stats_clean; |
| 4306 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4307 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4308 | INIT_DELAYED_WORK(&adapter->func_recovery_work, be_func_recovery_task); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4309 | adapter->rx_fc = adapter->tx_fc = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4310 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4311 | status = be_setup(adapter); |
| 4312 | if (status) |
Sathya Perla | 55f5c3c | 2012-09-28 04:39:42 +0000 | [diff] [blame] | 4313 | goto stats_clean; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4314 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 4315 | be_netdev_init(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4316 | status = register_netdev(netdev); |
| 4317 | if (status != 0) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4318 | goto unsetup; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4319 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 4320 | be_roce_dev_add(adapter); |
| 4321 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4322 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4323 | msecs_to_jiffies(1000)); |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 4324 | |
| 4325 | be_cmd_query_port_name(adapter, &port_name); |
| 4326 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 4327 | dev_info(&pdev->dev, "%s: %s %s port %c\n", nic_name(pdev), |
| 4328 | func_name(adapter), mc_name(adapter), port_name); |
Somnath Kotur | 34b1ef0 | 2011-06-01 00:33:22 +0000 | [diff] [blame] | 4329 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4330 | return 0; |
| 4331 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4332 | unsetup: |
| 4333 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4334 | stats_clean: |
| 4335 | be_stats_cleanup(adapter); |
| 4336 | ctrl_clean: |
| 4337 | be_ctrl_cleanup(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4338 | free_netdev: |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 4339 | free_netdev(netdev); |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 4340 | pci_set_drvdata(pdev, NULL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4341 | rel_reg: |
| 4342 | pci_release_regions(pdev); |
| 4343 | disable_dev: |
| 4344 | pci_disable_device(pdev); |
| 4345 | do_none: |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 4346 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4347 | return status; |
| 4348 | } |
| 4349 | |
| 4350 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) |
| 4351 | { |
| 4352 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4353 | struct net_device *netdev = adapter->netdev; |
| 4354 | |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 4355 | if (adapter->wol) |
| 4356 | be_setup_wol(adapter, true); |
| 4357 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4358 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
| 4359 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4360 | netif_device_detach(netdev); |
| 4361 | if (netif_running(netdev)) { |
| 4362 | rtnl_lock(); |
| 4363 | be_close(netdev); |
| 4364 | rtnl_unlock(); |
| 4365 | } |
Sarveshwar Bandi | 9b0365f | 2009-08-12 21:01:29 +0000 | [diff] [blame] | 4366 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4367 | |
| 4368 | pci_save_state(pdev); |
| 4369 | pci_disable_device(pdev); |
| 4370 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 4371 | return 0; |
| 4372 | } |
| 4373 | |
| 4374 | static int be_resume(struct pci_dev *pdev) |
| 4375 | { |
| 4376 | int status = 0; |
| 4377 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4378 | struct net_device *netdev = adapter->netdev; |
| 4379 | |
| 4380 | netif_device_detach(netdev); |
| 4381 | |
| 4382 | status = pci_enable_device(pdev); |
| 4383 | if (status) |
| 4384 | return status; |
| 4385 | |
Yijing Wang | 1ca0151 | 2013-06-27 20:53:42 +0800 | [diff] [blame] | 4386 | pci_set_power_state(pdev, PCI_D0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4387 | pci_restore_state(pdev); |
| 4388 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4389 | /* tell fw we're ready to fire cmds */ |
| 4390 | status = be_cmd_fw_init(adapter); |
| 4391 | if (status) |
| 4392 | return status; |
| 4393 | |
Sarveshwar Bandi | 9b0365f | 2009-08-12 21:01:29 +0000 | [diff] [blame] | 4394 | be_setup(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4395 | if (netif_running(netdev)) { |
| 4396 | rtnl_lock(); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4397 | be_open(netdev); |
| 4398 | rtnl_unlock(); |
| 4399 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4400 | |
| 4401 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4402 | msecs_to_jiffies(1000)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4403 | netif_device_attach(netdev); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 4404 | |
| 4405 | if (adapter->wol) |
| 4406 | be_setup_wol(adapter, false); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 4407 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4408 | return 0; |
| 4409 | } |
| 4410 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4411 | /* |
| 4412 | * An FLR will stop BE from DMAing any data. |
| 4413 | */ |
| 4414 | static void be_shutdown(struct pci_dev *pdev) |
| 4415 | { |
| 4416 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4417 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 4418 | if (!adapter) |
| 4419 | return; |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4420 | |
Sathya Perla | 0f4a682 | 2011-03-21 20:49:28 +0000 | [diff] [blame] | 4421 | cancel_delayed_work_sync(&adapter->work); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4422 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 4423 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 4424 | netif_device_detach(adapter->netdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4425 | |
Ajit Khaparde | 5784186 | 2011-04-06 18:08:43 +0000 | [diff] [blame] | 4426 | be_cmd_reset_function(adapter); |
| 4427 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4428 | pci_disable_device(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4429 | } |
| 4430 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4431 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
| 4432 | pci_channel_state_t state) |
| 4433 | { |
| 4434 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4435 | struct net_device *netdev = adapter->netdev; |
| 4436 | |
| 4437 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); |
| 4438 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4439 | if (!adapter->eeh_error) { |
| 4440 | adapter->eeh_error = true; |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4441 | |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4442 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4443 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4444 | rtnl_lock(); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4445 | netif_device_detach(netdev); |
| 4446 | if (netif_running(netdev)) |
| 4447 | be_close(netdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4448 | rtnl_unlock(); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4449 | |
| 4450 | be_clear(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4451 | } |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4452 | |
| 4453 | if (state == pci_channel_io_perm_failure) |
| 4454 | return PCI_ERS_RESULT_DISCONNECT; |
| 4455 | |
| 4456 | pci_disable_device(pdev); |
| 4457 | |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 4458 | /* The error could cause the FW to trigger a flash debug dump. |
| 4459 | * Resetting the card while flash dump is in progress |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 4460 | * can cause it not to recover; wait for it to finish. |
| 4461 | * Wait only for first function as it is needed only once per |
| 4462 | * adapter. |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 4463 | */ |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 4464 | if (pdev->devfn == 0) |
| 4465 | ssleep(30); |
| 4466 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4467 | return PCI_ERS_RESULT_NEED_RESET; |
| 4468 | } |
| 4469 | |
| 4470 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) |
| 4471 | { |
| 4472 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4473 | int status; |
| 4474 | |
| 4475 | dev_info(&adapter->pdev->dev, "EEH reset\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4476 | |
| 4477 | status = pci_enable_device(pdev); |
| 4478 | if (status) |
| 4479 | return PCI_ERS_RESULT_DISCONNECT; |
| 4480 | |
| 4481 | pci_set_master(pdev); |
Yijing Wang | 1ca0151 | 2013-06-27 20:53:42 +0800 | [diff] [blame] | 4482 | pci_set_power_state(pdev, PCI_D0); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4483 | pci_restore_state(pdev); |
| 4484 | |
| 4485 | /* Check if card is ok and fw is ready */ |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 4486 | dev_info(&adapter->pdev->dev, |
| 4487 | "Waiting for FW to be ready after EEH reset\n"); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4488 | status = be_fw_wait_ready(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4489 | if (status) |
| 4490 | return PCI_ERS_RESULT_DISCONNECT; |
| 4491 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 4492 | pci_cleanup_aer_uncorrect_error_status(pdev); |
Somnath Kotur | 01e5b2c | 2013-05-29 22:56:17 +0000 | [diff] [blame] | 4493 | be_clear_all_error(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4494 | return PCI_ERS_RESULT_RECOVERED; |
| 4495 | } |
| 4496 | |
| 4497 | static void be_eeh_resume(struct pci_dev *pdev) |
| 4498 | { |
| 4499 | int status = 0; |
| 4500 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4501 | struct net_device *netdev = adapter->netdev; |
| 4502 | |
| 4503 | dev_info(&adapter->pdev->dev, "EEH resume\n"); |
| 4504 | |
| 4505 | pci_save_state(pdev); |
| 4506 | |
Kalesh AP | 2d177be | 2013-04-28 22:22:29 +0000 | [diff] [blame] | 4507 | status = be_cmd_reset_function(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4508 | if (status) |
| 4509 | goto err; |
| 4510 | |
Kalesh AP | 2d177be | 2013-04-28 22:22:29 +0000 | [diff] [blame] | 4511 | /* tell fw we're ready to fire cmds */ |
| 4512 | status = be_cmd_fw_init(adapter); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4513 | if (status) |
| 4514 | goto err; |
| 4515 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4516 | status = be_setup(adapter); |
| 4517 | if (status) |
| 4518 | goto err; |
| 4519 | |
| 4520 | if (netif_running(netdev)) { |
| 4521 | status = be_open(netdev); |
| 4522 | if (status) |
| 4523 | goto err; |
| 4524 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4525 | |
| 4526 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4527 | msecs_to_jiffies(1000)); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4528 | netif_device_attach(netdev); |
| 4529 | return; |
| 4530 | err: |
| 4531 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4532 | } |
| 4533 | |
Stephen Hemminger | 3646f0e | 2012-09-07 09:33:15 -0700 | [diff] [blame] | 4534 | static const struct pci_error_handlers be_eeh_handlers = { |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4535 | .error_detected = be_eeh_err_detected, |
| 4536 | .slot_reset = be_eeh_reset, |
| 4537 | .resume = be_eeh_resume, |
| 4538 | }; |
| 4539 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4540 | static struct pci_driver be_driver = { |
| 4541 | .name = DRV_NAME, |
| 4542 | .id_table = be_dev_ids, |
| 4543 | .probe = be_probe, |
| 4544 | .remove = be_remove, |
| 4545 | .suspend = be_suspend, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4546 | .resume = be_resume, |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4547 | .shutdown = be_shutdown, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4548 | .err_handler = &be_eeh_handlers |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4549 | }; |
| 4550 | |
| 4551 | static int __init be_init_module(void) |
| 4552 | { |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 4553 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
| 4554 | rx_frag_size != 2048) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4555 | printk(KERN_WARNING DRV_NAME |
| 4556 | " : Module param rx_frag_size must be 2048/4096/8192." |
| 4557 | " Using 2048\n"); |
| 4558 | rx_frag_size = 2048; |
| 4559 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4560 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4561 | return pci_register_driver(&be_driver); |
| 4562 | } |
| 4563 | module_init(be_init_module); |
| 4564 | |
| 4565 | static void __exit be_exit_module(void) |
| 4566 | { |
| 4567 | pci_unregister_driver(&be_driver); |
| 4568 | } |
| 4569 | module_exit(be_exit_module); |