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); |
| 250 | struct sockaddr *addr = p; |
| 251 | int status = 0; |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 252 | u8 current_mac[ETH_ALEN]; |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 253 | u32 pmac_id = adapter->pmac_id[0]; |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 254 | bool active_mac = true; |
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 | |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 259 | /* For BE VF, MAC address is already activated by PF. |
| 260 | * Hence only operation left is updating netdev->devaddr. |
| 261 | * Update it if user is passing the same MAC which was used |
| 262 | * during configuring VF MAC from PF(Hypervisor). |
| 263 | */ |
| 264 | if (!lancer_chip(adapter) && !be_physfn(adapter)) { |
| 265 | status = be_cmd_mac_addr_query(adapter, current_mac, |
| 266 | false, adapter->if_handle, 0); |
| 267 | if (!status && !memcmp(current_mac, addr->sa_data, ETH_ALEN)) |
| 268 | goto done; |
| 269 | else |
| 270 | goto err; |
| 271 | } |
| 272 | |
| 273 | if (!memcmp(addr->sa_data, netdev->dev_addr, ETH_ALEN)) |
| 274 | goto done; |
| 275 | |
| 276 | /* For Lancer check if any MAC is active. |
| 277 | * If active, get its mac id. |
| 278 | */ |
| 279 | if (lancer_chip(adapter) && !be_physfn(adapter)) |
| 280 | be_cmd_get_mac_from_list(adapter, current_mac, &active_mac, |
| 281 | &pmac_id, 0); |
| 282 | |
| 283 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
| 284 | adapter->if_handle, |
| 285 | &adapter->pmac_id[0], 0); |
| 286 | |
Sathya Perla | a65027e | 2009-08-17 00:58:04 +0000 | [diff] [blame] | 287 | if (status) |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 288 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 289 | |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 290 | if (active_mac) |
| 291 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 292 | pmac_id, 0); |
| 293 | done: |
Somnath Kotur | e3a7ae2 | 2011-10-27 07:14:05 +0000 | [diff] [blame] | 294 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
| 295 | return 0; |
| 296 | err: |
| 297 | dev_err(&adapter->pdev->dev, "MAC %pM set 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; |
Sathya Perla | d45b9d3 | 2012-01-29 20:17:39 +0000 | [diff] [blame] | 356 | drvs->rx_address_mismatch_drops = |
| 357 | port_stats->rx_address_mismatch_drops + |
| 358 | port_stats->rx_vlan_mismatch_drops; |
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; |
Sathya Perla | d45b9d3 | 2012-01-29 20:17:39 +0000 | [diff] [blame] | 407 | drvs->rx_address_mismatch_drops = port_stats->rx_address_mismatch_drops; |
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; |
| 413 | drvs->jabber_events = port_stats->jabber_events; |
| 414 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 415 | 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] | 416 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
| 417 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 418 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
| 419 | 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] | 420 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
| 421 | } |
| 422 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 423 | static void populate_lancer_stats(struct be_adapter *adapter) |
| 424 | { |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 425 | |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 426 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 427 | struct lancer_pport_stats *pport_stats = |
| 428 | pport_stats_from_cmd(adapter); |
| 429 | |
| 430 | be_dws_le_to_cpu(pport_stats, sizeof(*pport_stats)); |
| 431 | drvs->rx_pause_frames = pport_stats->rx_pause_frames_lo; |
| 432 | drvs->rx_crc_errors = pport_stats->rx_crc_errors_lo; |
| 433 | drvs->rx_control_frames = pport_stats->rx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 434 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 435 | drvs->rx_frame_too_long = pport_stats->rx_frames_too_long_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 436 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; |
| 437 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; |
| 438 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; |
| 439 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; |
| 440 | drvs->rx_dropped_tcp_length = |
| 441 | pport_stats->rx_dropped_invalid_tcp_length; |
| 442 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; |
| 443 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; |
| 444 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; |
| 445 | drvs->rx_dropped_header_too_small = |
| 446 | pport_stats->rx_dropped_header_too_small; |
| 447 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Sathya Perla | d45b9d3 | 2012-01-29 20:17:39 +0000 | [diff] [blame] | 448 | drvs->rx_address_mismatch_drops = |
| 449 | pport_stats->rx_address_mismatch_drops + |
| 450 | pport_stats->rx_vlan_mismatch_drops; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 451 | drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 452 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 453 | drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; |
| 454 | drvs->tx_controlframes = pport_stats->tx_control_frames_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 455 | drvs->jabber_events = pport_stats->rx_jabbers; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 456 | drvs->forwarded_packets = pport_stats->num_forwards_lo; |
| 457 | drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 458 | drvs->rx_drops_too_many_frags = |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 459 | pport_stats->rx_drops_too_many_frags_lo; |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 460 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 461 | |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 462 | static void accumulate_16bit_val(u32 *acc, u16 val) |
| 463 | { |
| 464 | #define lo(x) (x & 0xFFFF) |
| 465 | #define hi(x) (x & 0xFFFF0000) |
| 466 | bool wrapped = val < lo(*acc); |
| 467 | u32 newacc = hi(*acc) + val; |
| 468 | |
| 469 | if (wrapped) |
| 470 | newacc += 65536; |
| 471 | ACCESS_ONCE(*acc) = newacc; |
| 472 | } |
| 473 | |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 474 | void be_parse_stats(struct be_adapter *adapter) |
| 475 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 476 | struct be_erx_stats_v1 *erx = be_erx_stats_from_cmd(adapter); |
| 477 | struct be_rx_obj *rxo; |
| 478 | int i; |
| 479 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 480 | if (lancer_chip(adapter)) { |
| 481 | populate_lancer_stats(adapter); |
Selvin Xavier | 005d569 | 2011-05-16 07:36:35 +0000 | [diff] [blame] | 482 | } else { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 483 | if (BE2_chip(adapter)) |
| 484 | populate_be_v0_stats(adapter); |
| 485 | else |
| 486 | /* for BE3 and Skyhawk */ |
| 487 | populate_be_v1_stats(adapter); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 488 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 489 | /* as erx_v1 is longer than v0, ok to use v1 for v0 access */ |
| 490 | for_all_rx_queues(adapter, rxo, i) { |
| 491 | /* below erx HW counter can actually wrap around after |
| 492 | * 65535. Driver accumulates a 32-bit value |
| 493 | */ |
| 494 | accumulate_16bit_val(&rx_stats(rxo)->rx_drops_no_frags, |
| 495 | (u16)erx->rx_drops_no_fragments \ |
| 496 | [rxo->q.id]); |
| 497 | } |
Sathya Perla | 09c1c68 | 2011-08-22 19:41:53 +0000 | [diff] [blame] | 498 | } |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 499 | } |
| 500 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 501 | static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, |
| 502 | struct rtnl_link_stats64 *stats) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 503 | { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 504 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 505 | struct be_drv_stats *drvs = &adapter->drv_stats; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 506 | struct be_rx_obj *rxo; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 507 | struct be_tx_obj *txo; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 508 | u64 pkts, bytes; |
| 509 | unsigned int start; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 510 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 511 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 512 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 513 | const struct be_rx_stats *rx_stats = rx_stats(rxo); |
| 514 | do { |
| 515 | start = u64_stats_fetch_begin_bh(&rx_stats->sync); |
| 516 | pkts = rx_stats(rxo)->rx_pkts; |
| 517 | bytes = rx_stats(rxo)->rx_bytes; |
| 518 | } while (u64_stats_fetch_retry_bh(&rx_stats->sync, start)); |
| 519 | stats->rx_packets += pkts; |
| 520 | stats->rx_bytes += bytes; |
| 521 | stats->multicast += rx_stats(rxo)->rx_mcast_pkts; |
| 522 | stats->rx_dropped += rx_stats(rxo)->rx_drops_no_skbs + |
| 523 | rx_stats(rxo)->rx_drops_no_frags; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 524 | } |
| 525 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 526 | for_all_tx_queues(adapter, txo, i) { |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 527 | const struct be_tx_stats *tx_stats = tx_stats(txo); |
| 528 | do { |
| 529 | start = u64_stats_fetch_begin_bh(&tx_stats->sync); |
| 530 | pkts = tx_stats(txo)->tx_pkts; |
| 531 | bytes = tx_stats(txo)->tx_bytes; |
| 532 | } while (u64_stats_fetch_retry_bh(&tx_stats->sync, start)); |
| 533 | stats->tx_packets += pkts; |
| 534 | stats->tx_bytes += bytes; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 535 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 536 | |
| 537 | /* bad pkts received */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 538 | stats->rx_errors = drvs->rx_crc_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 539 | drvs->rx_alignment_symbol_errors + |
| 540 | drvs->rx_in_range_errors + |
| 541 | drvs->rx_out_range_errors + |
| 542 | drvs->rx_frame_too_long + |
| 543 | drvs->rx_dropped_too_small + |
| 544 | drvs->rx_dropped_too_short + |
| 545 | drvs->rx_dropped_header_too_small + |
| 546 | drvs->rx_dropped_tcp_length + |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 547 | drvs->rx_dropped_runt; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 548 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 549 | /* detailed rx errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 550 | stats->rx_length_errors = drvs->rx_in_range_errors + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 551 | drvs->rx_out_range_errors + |
| 552 | drvs->rx_frame_too_long; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 553 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 554 | stats->rx_crc_errors = drvs->rx_crc_errors; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 555 | |
| 556 | /* frame alignment errors */ |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 557 | stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 558 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 559 | /* receiver fifo overrun */ |
| 560 | /* 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] | 561 | stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 562 | drvs->rx_input_fifo_overflow_drop + |
| 563 | drvs->rx_drops_no_pbuf; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 564 | return stats; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 565 | } |
| 566 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 567 | void be_link_status_update(struct be_adapter *adapter, u8 link_status) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 568 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 569 | struct net_device *netdev = adapter->netdev; |
| 570 | |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 571 | if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { |
Sathya Perla | ea172a0 | 2011-08-02 19:57:42 +0000 | [diff] [blame] | 572 | netif_carrier_off(netdev); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 573 | adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 574 | } |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 575 | |
| 576 | if ((link_status & LINK_STATUS_MASK) == LINK_UP) |
| 577 | netif_carrier_on(netdev); |
| 578 | else |
| 579 | netif_carrier_off(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 580 | } |
| 581 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 582 | static void be_tx_stats_update(struct be_tx_obj *txo, |
Ajit Khaparde | 91992e4 | 2010-02-19 13:57:12 +0000 | [diff] [blame] | 583 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 584 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 585 | struct be_tx_stats *stats = tx_stats(txo); |
| 586 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 587 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 588 | stats->tx_reqs++; |
| 589 | stats->tx_wrbs += wrb_cnt; |
| 590 | stats->tx_bytes += copied; |
| 591 | stats->tx_pkts += (gso_segs ? gso_segs : 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 592 | if (stopped) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 593 | stats->tx_stops++; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 594 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 595 | } |
| 596 | |
| 597 | /* Determine number of WRB entries needed to xmit data in an skb */ |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 598 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
| 599 | bool *dummy) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 600 | { |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 601 | int cnt = (skb->len > skb->data_len); |
| 602 | |
| 603 | cnt += skb_shinfo(skb)->nr_frags; |
| 604 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 605 | /* to account for hdr wrb */ |
| 606 | cnt++; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 607 | if (lancer_chip(adapter) || !(cnt & 1)) { |
| 608 | *dummy = false; |
| 609 | } else { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 610 | /* add a dummy to make it an even num */ |
| 611 | cnt++; |
| 612 | *dummy = true; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 613 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 614 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
| 615 | return cnt; |
| 616 | } |
| 617 | |
| 618 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) |
| 619 | { |
| 620 | wrb->frag_pa_hi = upper_32_bits(addr); |
| 621 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; |
| 622 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; |
Somnath Kotur | 89b1f49 | 2012-06-24 19:40:55 +0000 | [diff] [blame] | 623 | wrb->rsvd0 = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 624 | } |
| 625 | |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 626 | static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, |
| 627 | struct sk_buff *skb) |
| 628 | { |
| 629 | u8 vlan_prio; |
| 630 | u16 vlan_tag; |
| 631 | |
| 632 | vlan_tag = vlan_tx_tag_get(skb); |
| 633 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; |
| 634 | /* If vlan priority provided by OS is NOT in available bmap */ |
| 635 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) |
| 636 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | |
| 637 | adapter->recommended_prio; |
| 638 | |
| 639 | return vlan_tag; |
| 640 | } |
| 641 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 642 | static int be_vlan_tag_chk(struct be_adapter *adapter, struct sk_buff *skb) |
| 643 | { |
| 644 | return vlan_tx_tag_present(skb) || adapter->pvid; |
| 645 | } |
| 646 | |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 647 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
| 648 | struct sk_buff *skb, u32 wrb_cnt, u32 len) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 649 | { |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 650 | u16 vlan_tag; |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 651 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 652 | memset(hdr, 0, sizeof(*hdr)); |
| 653 | |
| 654 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); |
| 655 | |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 656 | if (skb_is_gso(skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 657 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
| 658 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, |
| 659 | hdr, skb_shinfo(skb)->gso_size); |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 660 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 661 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 662 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| 663 | if (is_tcp_pkt(skb)) |
| 664 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); |
| 665 | else if (is_udp_pkt(skb)) |
| 666 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); |
| 667 | } |
| 668 | |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 669 | if (vlan_tx_tag_present(skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 670 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 671 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 672 | 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] | 673 | } |
| 674 | |
| 675 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); |
| 676 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); |
| 677 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); |
| 678 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); |
| 679 | } |
| 680 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 681 | 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] | 682 | bool unmap_single) |
| 683 | { |
| 684 | dma_addr_t dma; |
| 685 | |
| 686 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); |
| 687 | |
| 688 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; |
FUJITA Tomonori | b681ee7 | 2010-04-04 21:40:18 +0000 | [diff] [blame] | 689 | if (wrb->frag_len) { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 690 | if (unmap_single) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 691 | dma_unmap_single(dev, dma, wrb->frag_len, |
| 692 | DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 693 | else |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 694 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 695 | } |
| 696 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 697 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 698 | static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 699 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) |
| 700 | { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 701 | dma_addr_t busaddr; |
| 702 | int i, copied = 0; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 703 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 704 | struct sk_buff *first_skb = skb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 705 | struct be_eth_wrb *wrb; |
| 706 | struct be_eth_hdr_wrb *hdr; |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 707 | bool map_single = false; |
| 708 | u16 map_head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 709 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 710 | hdr = queue_head_node(txq); |
| 711 | queue_head_inc(txq); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 712 | map_head = txq->head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 713 | |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 714 | if (skb->len > skb->data_len) { |
Eric Dumazet | e743d31 | 2010-04-14 15:59:40 -0700 | [diff] [blame] | 715 | int len = skb_headlen(skb); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 716 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
| 717 | if (dma_mapping_error(dev, busaddr)) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 718 | goto dma_err; |
| 719 | map_single = true; |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 720 | wrb = queue_head_node(txq); |
| 721 | wrb_fill(wrb, busaddr, len); |
| 722 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 723 | queue_head_inc(txq); |
| 724 | copied += len; |
| 725 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 726 | |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 727 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 728 | const struct skb_frag_struct *frag = |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 729 | &skb_shinfo(skb)->frags[i]; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 730 | busaddr = skb_frag_dma_map(dev, frag, 0, |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 731 | skb_frag_size(frag), DMA_TO_DEVICE); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 732 | if (dma_mapping_error(dev, busaddr)) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 733 | goto dma_err; |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 734 | wrb = queue_head_node(txq); |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 735 | wrb_fill(wrb, busaddr, skb_frag_size(frag)); |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 736 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 737 | queue_head_inc(txq); |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 738 | copied += skb_frag_size(frag); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 739 | } |
| 740 | |
| 741 | if (dummy_wrb) { |
| 742 | wrb = queue_head_node(txq); |
| 743 | wrb_fill(wrb, 0, 0); |
| 744 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 745 | queue_head_inc(txq); |
| 746 | } |
| 747 | |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 748 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 749 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
| 750 | |
| 751 | return copied; |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 752 | dma_err: |
| 753 | txq->head = map_head; |
| 754 | while (copied) { |
| 755 | wrb = queue_head_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 756 | unmap_tx_frag(dev, wrb, map_single); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 757 | map_single = false; |
| 758 | copied -= wrb->frag_len; |
| 759 | queue_head_inc(txq); |
| 760 | } |
| 761 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 762 | } |
| 763 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 764 | static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, |
| 765 | struct sk_buff *skb) |
| 766 | { |
| 767 | u16 vlan_tag = 0; |
| 768 | |
| 769 | skb = skb_share_check(skb, GFP_ATOMIC); |
| 770 | if (unlikely(!skb)) |
| 771 | return skb; |
| 772 | |
| 773 | if (vlan_tx_tag_present(skb)) { |
| 774 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 775 | __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 776 | skb->vlan_tci = 0; |
| 777 | } |
| 778 | |
| 779 | return skb; |
| 780 | } |
| 781 | |
Stephen Hemminger | 61357325 | 2009-08-31 19:50:58 +0000 | [diff] [blame] | 782 | static netdev_tx_t be_xmit(struct sk_buff *skb, |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 783 | struct net_device *netdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 784 | { |
| 785 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 786 | struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)]; |
| 787 | struct be_queue_info *txq = &txo->q; |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 788 | struct iphdr *ip = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 789 | u32 wrb_cnt = 0, copied = 0; |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 790 | u32 start = txq->head, eth_hdr_len; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 791 | bool dummy_wrb, stopped = false; |
| 792 | |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 793 | eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? |
| 794 | VLAN_ETH_HLEN : ETH_HLEN; |
| 795 | |
| 796 | /* HW has a bug which considers padding bytes as legal |
| 797 | * and modifies the IPv4 hdr's 'tot_len' field |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 798 | */ |
Somnath Kotur | 93040ae | 2012-06-26 22:32:10 +0000 | [diff] [blame] | 799 | if (skb->len <= 60 && be_vlan_tag_chk(adapter, skb) && |
| 800 | is_ipv4_pkt(skb)) { |
| 801 | ip = (struct iphdr *)ip_hdr(skb); |
| 802 | pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); |
| 803 | } |
| 804 | |
| 805 | /* HW has a bug wherein it will calculate CSUM for VLAN |
| 806 | * pkts even though it is disabled. |
| 807 | * Manually insert VLAN in pkt. |
| 808 | */ |
| 809 | if (skb->ip_summed != CHECKSUM_PARTIAL && |
| 810 | be_vlan_tag_chk(adapter, skb)) { |
| 811 | skb = be_insert_vlan_in_pkt(adapter, skb); |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 812 | if (unlikely(!skb)) |
| 813 | goto tx_drop; |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 814 | } |
| 815 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 816 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 817 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 818 | copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 819 | if (copied) { |
Eric Dumazet | cd8f76c | 2012-06-07 22:59:59 +0000 | [diff] [blame] | 820 | int gso_segs = skb_shinfo(skb)->gso_segs; |
| 821 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 822 | /* record the sent skb in the sent_skb table */ |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 823 | BUG_ON(txo->sent_skb_list[start]); |
| 824 | txo->sent_skb_list[start] = skb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 825 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 826 | /* Ensure txq has space for the next skb; Else stop the queue |
| 827 | * *BEFORE* ringing the tx doorbell, so that we serialze the |
| 828 | * tx compls of the current transmit which'll wake up the queue |
| 829 | */ |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 830 | atomic_add(wrb_cnt, &txq->used); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 831 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
| 832 | txq->len) { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 833 | netif_stop_subqueue(netdev, skb_get_queue_mapping(skb)); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 834 | stopped = true; |
| 835 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 836 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame^] | 837 | be_txq_notify(adapter, txo, wrb_cnt); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 838 | |
Eric Dumazet | cd8f76c | 2012-06-07 22:59:59 +0000 | [diff] [blame] | 839 | be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 840 | } else { |
| 841 | txq->head = start; |
| 842 | dev_kfree_skb_any(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 843 | } |
Ajit Khaparde | 1ded132 | 2011-12-09 13:53:17 +0000 | [diff] [blame] | 844 | tx_drop: |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 845 | return NETDEV_TX_OK; |
| 846 | } |
| 847 | |
| 848 | static int be_change_mtu(struct net_device *netdev, int new_mtu) |
| 849 | { |
| 850 | struct be_adapter *adapter = netdev_priv(netdev); |
| 851 | if (new_mtu < BE_MIN_MTU || |
Ajit Khaparde | 34a89b8 | 2010-02-09 01:32:43 +0000 | [diff] [blame] | 852 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
| 853 | (ETH_HLEN + ETH_FCS_LEN))) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 854 | dev_info(&adapter->pdev->dev, |
| 855 | "MTU must be between %d and %d bytes\n", |
Ajit Khaparde | 34a89b8 | 2010-02-09 01:32:43 +0000 | [diff] [blame] | 856 | BE_MIN_MTU, |
| 857 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 858 | return -EINVAL; |
| 859 | } |
| 860 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", |
| 861 | netdev->mtu, new_mtu); |
| 862 | netdev->mtu = new_mtu; |
| 863 | return 0; |
| 864 | } |
| 865 | |
| 866 | /* |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 867 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
| 868 | * If the user configures more, place BE in vlan promiscuous mode. |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 869 | */ |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 870 | static int be_vid_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 871 | { |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 872 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
| 873 | u16 num = 0, i; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 874 | int status = 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 875 | |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 876 | /* No need to further configure vids if in promiscuous mode */ |
| 877 | if (adapter->promiscuous) |
| 878 | return 0; |
| 879 | |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 880 | if (adapter->vlans_added > adapter->max_vlans) |
| 881 | goto set_vlan_promisc; |
| 882 | |
| 883 | /* Construct VLAN Table to give to HW */ |
| 884 | for (i = 0; i < VLAN_N_VID; i++) |
| 885 | if (adapter->vlan_tag[i]) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 886 | vids[num++] = cpu_to_le16(i); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 887 | |
| 888 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 889 | vids, num, 1, 0); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 890 | |
| 891 | /* Set to VLAN promisc mode as setting VLAN filter failed */ |
| 892 | if (status) { |
| 893 | dev_info(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n"); |
| 894 | dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering.\n"); |
| 895 | goto set_vlan_promisc; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 896 | } |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 897 | |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 898 | return status; |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 899 | |
| 900 | set_vlan_promisc: |
| 901 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
| 902 | NULL, 0, 1, 1); |
| 903 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 904 | } |
| 905 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 906 | 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] | 907 | { |
| 908 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 909 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 910 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 911 | if (!lancer_chip(adapter) && !be_physfn(adapter)) { |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 912 | status = -EINVAL; |
| 913 | goto ret; |
| 914 | } |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 915 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 916 | /* Packets with VID 0 are always received by Lancer by default */ |
| 917 | if (lancer_chip(adapter) && vid == 0) |
| 918 | goto ret; |
| 919 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 920 | adapter->vlan_tag[vid] = 1; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 921 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 922 | status = be_vid_config(adapter); |
Jiri Pirko | 8e58613 | 2011-12-08 19:52:37 -0500 | [diff] [blame] | 923 | |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 924 | if (!status) |
| 925 | adapter->vlans_added++; |
| 926 | else |
| 927 | adapter->vlan_tag[vid] = 0; |
| 928 | ret: |
| 929 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 930 | } |
| 931 | |
Patrick McHardy | 80d5c36 | 2013-04-19 02:04:28 +0000 | [diff] [blame] | 932 | 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] | 933 | { |
| 934 | struct be_adapter *adapter = netdev_priv(netdev); |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 935 | int status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 936 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 937 | if (!lancer_chip(adapter) && !be_physfn(adapter)) { |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 938 | status = -EINVAL; |
| 939 | goto ret; |
| 940 | } |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 941 | |
Padmanabh Ratnakar | a85e998 | 2012-10-20 06:02:40 +0000 | [diff] [blame] | 942 | /* Packets with VID 0 are always received by Lancer by default */ |
| 943 | if (lancer_chip(adapter) && vid == 0) |
| 944 | goto ret; |
| 945 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 946 | adapter->vlan_tag[vid] = 0; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 947 | if (adapter->vlans_added <= adapter->max_vlans) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 948 | status = be_vid_config(adapter); |
Jiri Pirko | 8e58613 | 2011-12-08 19:52:37 -0500 | [diff] [blame] | 949 | |
Ajit Khaparde | 80817cb | 2011-12-30 12:15:12 +0000 | [diff] [blame] | 950 | if (!status) |
| 951 | adapter->vlans_added--; |
| 952 | else |
| 953 | adapter->vlan_tag[vid] = 1; |
| 954 | ret: |
| 955 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 956 | } |
| 957 | |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 958 | static void be_set_rx_mode(struct net_device *netdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 959 | { |
| 960 | struct be_adapter *adapter = netdev_priv(netdev); |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 961 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 962 | |
| 963 | if (netdev->flags & IFF_PROMISC) { |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 964 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 965 | adapter->promiscuous = true; |
| 966 | goto done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 967 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 968 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 969 | /* BE was previously in promiscuous mode; disable it */ |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 970 | if (adapter->promiscuous) { |
| 971 | adapter->promiscuous = false; |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 972 | be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); |
Sathya Perla | c0e64ef | 2011-08-02 19:57:43 +0000 | [diff] [blame] | 973 | |
| 974 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 975 | be_vid_config(adapter); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 976 | } |
| 977 | |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 978 | /* Enable multicast promisc if num configured exceeds what we support */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 979 | if (netdev->flags & IFF_ALLMULTI || |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 980 | netdev_mc_count(netdev) > adapter->max_mcast_mac) { |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 981 | be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 982 | goto done; |
| 983 | } |
| 984 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 985 | if (netdev_uc_count(netdev) != adapter->uc_macs) { |
| 986 | struct netdev_hw_addr *ha; |
| 987 | int i = 1; /* First slot is claimed by the Primary MAC */ |
| 988 | |
| 989 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) { |
| 990 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 991 | adapter->pmac_id[i], 0); |
| 992 | } |
| 993 | |
| 994 | if (netdev_uc_count(netdev) > adapter->max_pmac_cnt) { |
| 995 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
| 996 | adapter->promiscuous = true; |
| 997 | goto done; |
| 998 | } |
| 999 | |
| 1000 | netdev_for_each_uc_addr(ha, adapter->netdev) { |
| 1001 | adapter->uc_macs++; /* First slot is for Primary MAC */ |
| 1002 | be_cmd_pmac_add(adapter, (u8 *)ha->addr, |
| 1003 | adapter->if_handle, |
| 1004 | &adapter->pmac_id[adapter->uc_macs], 0); |
| 1005 | } |
| 1006 | } |
| 1007 | |
Padmanabh Ratnakar | 0fc16eb | 2012-04-25 01:46:06 +0000 | [diff] [blame] | 1008 | status = be_cmd_rx_filter(adapter, IFF_MULTICAST, ON); |
| 1009 | |
| 1010 | /* Set to MCAST promisc mode if setting MULTICAST address fails */ |
| 1011 | if (status) { |
| 1012 | dev_info(&adapter->pdev->dev, "Exhausted multicast HW filters.\n"); |
| 1013 | dev_info(&adapter->pdev->dev, "Disabling HW multicast filtering.\n"); |
| 1014 | be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); |
| 1015 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 1016 | done: |
| 1017 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1018 | } |
| 1019 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1020 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 1021 | { |
| 1022 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1023 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1024 | int status; |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 1025 | bool active_mac = false; |
| 1026 | u32 pmac_id; |
| 1027 | u8 old_mac[ETH_ALEN]; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1028 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1029 | if (!sriov_enabled(adapter)) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1030 | return -EPERM; |
| 1031 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1032 | if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1033 | return -EINVAL; |
| 1034 | |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1035 | if (lancer_chip(adapter)) { |
Padmanabh Ratnakar | 704e4c8 | 2012-10-20 06:02:13 +0000 | [diff] [blame] | 1036 | status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac, |
| 1037 | &pmac_id, vf + 1); |
| 1038 | if (!status && active_mac) |
| 1039 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 1040 | pmac_id, vf + 1); |
| 1041 | |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1042 | status = be_cmd_set_mac_list(adapter, mac, 1, vf + 1); |
| 1043 | } else { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1044 | status = be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 1045 | vf_cfg->pmac_id, vf + 1); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1046 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1047 | status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, |
| 1048 | &vf_cfg->pmac_id, vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 1049 | } |
| 1050 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1051 | if (status) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1052 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
| 1053 | mac, vf); |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1054 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1055 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1056 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1057 | return status; |
| 1058 | } |
| 1059 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1060 | static int be_get_vf_config(struct net_device *netdev, int vf, |
| 1061 | struct ifla_vf_info *vi) |
| 1062 | { |
| 1063 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1064 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1065 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1066 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1067 | return -EPERM; |
| 1068 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1069 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1070 | return -EINVAL; |
| 1071 | |
| 1072 | vi->vf = vf; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1073 | vi->tx_rate = vf_cfg->tx_rate; |
| 1074 | vi->vlan = vf_cfg->vlan_tag; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1075 | vi->qos = 0; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1076 | memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 1077 | |
| 1078 | return 0; |
| 1079 | } |
| 1080 | |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1081 | static int be_set_vf_vlan(struct net_device *netdev, |
| 1082 | int vf, u16 vlan, u8 qos) |
| 1083 | { |
| 1084 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1085 | int status = 0; |
| 1086 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1087 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1088 | return -EPERM; |
| 1089 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1090 | if (vf >= adapter->num_vfs || vlan > 4095) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1091 | return -EINVAL; |
| 1092 | |
| 1093 | if (vlan) { |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 1094 | if (adapter->vf_cfg[vf].vlan_tag != vlan) { |
| 1095 | /* If this is new value, program it. Else skip. */ |
| 1096 | adapter->vf_cfg[vf].vlan_tag = vlan; |
| 1097 | |
| 1098 | status = be_cmd_set_hsw_config(adapter, vlan, |
| 1099 | vf + 1, adapter->vf_cfg[vf].if_handle); |
| 1100 | } |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1101 | } else { |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 1102 | /* Reset Transparent Vlan Tagging. */ |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1103 | adapter->vf_cfg[vf].vlan_tag = 0; |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 1104 | vlan = adapter->vf_cfg[vf].def_vid; |
| 1105 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, |
| 1106 | adapter->vf_cfg[vf].if_handle); |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1107 | } |
| 1108 | |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 1109 | |
| 1110 | if (status) |
| 1111 | dev_info(&adapter->pdev->dev, |
| 1112 | "VLAN %d config on VF %d failed\n", vlan, vf); |
| 1113 | return status; |
| 1114 | } |
| 1115 | |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1116 | static int be_set_vf_tx_rate(struct net_device *netdev, |
| 1117 | int vf, int rate) |
| 1118 | { |
| 1119 | struct be_adapter *adapter = netdev_priv(netdev); |
| 1120 | int status = 0; |
| 1121 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 1122 | if (!sriov_enabled(adapter)) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1123 | return -EPERM; |
| 1124 | |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1125 | if (vf >= adapter->num_vfs) |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1126 | return -EINVAL; |
| 1127 | |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1128 | if (rate < 100 || rate > 10000) { |
| 1129 | dev_err(&adapter->pdev->dev, |
| 1130 | "tx rate must be between 100 and 10000 Mbps\n"); |
| 1131 | return -EINVAL; |
| 1132 | } |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1133 | |
Padmanabh Ratnakar | d5c1847 | 2012-10-20 06:01:53 +0000 | [diff] [blame] | 1134 | if (lancer_chip(adapter)) |
| 1135 | status = be_cmd_set_profile_config(adapter, rate / 10, vf + 1); |
| 1136 | else |
| 1137 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1138 | |
| 1139 | if (status) |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1140 | dev_err(&adapter->pdev->dev, |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1141 | "tx rate %d on VF %d failed\n", rate, vf); |
Ajit Khaparde | 94f434c | 2011-12-30 12:15:30 +0000 | [diff] [blame] | 1142 | else |
| 1143 | adapter->vf_cfg[vf].tx_rate = rate; |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 1144 | return status; |
| 1145 | } |
| 1146 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 1147 | static int be_find_vfs(struct be_adapter *adapter, int vf_state) |
| 1148 | { |
| 1149 | struct pci_dev *dev, *pdev = adapter->pdev; |
Ivan Vecera | 2f6a026 | 2012-10-01 01:56:55 +0000 | [diff] [blame] | 1150 | int vfs = 0, assigned_vfs = 0, pos; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 1151 | u16 offset, stride; |
| 1152 | |
| 1153 | pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); |
Sathya Perla | d79c0a2 | 2012-06-05 19:37:22 +0000 | [diff] [blame] | 1154 | if (!pos) |
| 1155 | return 0; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 1156 | pci_read_config_word(pdev, pos + PCI_SRIOV_VF_OFFSET, &offset); |
| 1157 | pci_read_config_word(pdev, pos + PCI_SRIOV_VF_STRIDE, &stride); |
| 1158 | |
| 1159 | dev = pci_get_device(pdev->vendor, PCI_ANY_ID, NULL); |
| 1160 | while (dev) { |
Ivan Vecera | 2f6a026 | 2012-10-01 01:56:55 +0000 | [diff] [blame] | 1161 | if (dev->is_virtfn && pci_physfn(dev) == pdev) { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 1162 | vfs++; |
| 1163 | if (dev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) |
| 1164 | assigned_vfs++; |
| 1165 | } |
| 1166 | dev = pci_get_device(pdev->vendor, PCI_ANY_ID, dev); |
| 1167 | } |
| 1168 | return (vf_state == ASSIGNED) ? assigned_vfs : vfs; |
| 1169 | } |
| 1170 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1171 | 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] | 1172 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1173 | struct be_rx_stats *stats = rx_stats(&adapter->rx_obj[eqo->idx]); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1174 | ulong now = jiffies; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1175 | ulong delta = now - stats->rx_jiffies; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1176 | u64 pkts; |
| 1177 | unsigned int start, eqd; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1178 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1179 | if (!eqo->enable_aic) { |
| 1180 | eqd = eqo->eqd; |
| 1181 | goto modify_eqd; |
| 1182 | } |
| 1183 | |
| 1184 | if (eqo->idx >= adapter->num_rx_qs) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1185 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1186 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1187 | stats = rx_stats(&adapter->rx_obj[eqo->idx]); |
| 1188 | |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1189 | /* Wrapped around */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1190 | if (time_before(now, stats->rx_jiffies)) { |
| 1191 | stats->rx_jiffies = now; |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1192 | return; |
| 1193 | } |
| 1194 | |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1195 | /* Update once a second */ |
| 1196 | if (delta < HZ) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1197 | return; |
| 1198 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1199 | do { |
| 1200 | start = u64_stats_fetch_begin_bh(&stats->sync); |
| 1201 | pkts = stats->rx_pkts; |
| 1202 | } while (u64_stats_fetch_retry_bh(&stats->sync, start)); |
| 1203 | |
Eric Dumazet | 68c3e5a | 2011-08-09 06:23:07 +0000 | [diff] [blame] | 1204 | stats->rx_pps = (unsigned long)(pkts - stats->rx_pkts_prev) / (delta / HZ); |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1205 | stats->rx_pkts_prev = pkts; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1206 | stats->rx_jiffies = now; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1207 | eqd = (stats->rx_pps / 110000) << 3; |
| 1208 | eqd = min(eqd, eqo->max_eqd); |
| 1209 | eqd = max(eqd, eqo->min_eqd); |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1210 | if (eqd < 10) |
| 1211 | eqd = 0; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1212 | |
| 1213 | modify_eqd: |
| 1214 | if (eqd != eqo->cur_eqd) { |
| 1215 | be_cmd_modify_eqd(adapter, eqo->q.id, eqd); |
| 1216 | eqo->cur_eqd = eqd; |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1217 | } |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1218 | } |
| 1219 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1220 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1221 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1222 | { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1223 | struct be_rx_stats *stats = rx_stats(rxo); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1224 | |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1225 | u64_stats_update_begin(&stats->sync); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1226 | stats->rx_compl++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1227 | stats->rx_bytes += rxcp->pkt_size; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1228 | stats->rx_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1229 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1230 | stats->rx_mcast_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1231 | if (rxcp->err) |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1232 | stats->rx_compl_err++; |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 1233 | u64_stats_update_end(&stats->sync); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1234 | } |
| 1235 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1236 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1237 | { |
Padmanabh Ratnakar | 19fad86 | 2011-03-07 03:08:16 +0000 | [diff] [blame] | 1238 | /* L4 checksum is not reliable for non TCP/UDP packets. |
| 1239 | * Also ignore ipcksm for ipv6 pkts */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1240 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
| 1241 | (rxcp->ip_csum || rxcp->ipv6); |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1242 | } |
| 1243 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1244 | static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo, |
| 1245 | u16 frag_idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1246 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1247 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1248 | struct be_rx_page_info *rx_page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1249 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1250 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1251 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1252 | BUG_ON(!rx_page_info->page); |
| 1253 | |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1254 | if (rx_page_info->last_page_user) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1255 | dma_unmap_page(&adapter->pdev->dev, |
| 1256 | dma_unmap_addr(rx_page_info, bus), |
| 1257 | adapter->big_page_size, DMA_FROM_DEVICE); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1258 | rx_page_info->last_page_user = false; |
| 1259 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1260 | |
| 1261 | atomic_dec(&rxq->used); |
| 1262 | return rx_page_info; |
| 1263 | } |
| 1264 | |
| 1265 | /* Throwaway the data in the Rx completion */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1266 | static void be_rx_compl_discard(struct be_rx_obj *rxo, |
| 1267 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1268 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1269 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1270 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1271 | u16 i, num_rcvd = rxcp->num_rcvd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1272 | |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1273 | for (i = 0; i < num_rcvd; i++) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1274 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1275 | put_page(page_info->page); |
| 1276 | memset(page_info, 0, sizeof(*page_info)); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1277 | index_inc(&rxcp->rxq_idx, rxq->len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1278 | } |
| 1279 | } |
| 1280 | |
| 1281 | /* |
| 1282 | * skb_fill_rx_data forms a complete skb for an ether frame |
| 1283 | * indicated by rxcp. |
| 1284 | */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1285 | static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, |
| 1286 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1287 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1288 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1289 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1290 | u16 i, j; |
| 1291 | u16 hdr_len, curr_frag_len, remaining; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1292 | u8 *start; |
| 1293 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1294 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1295 | start = page_address(page_info->page) + page_info->page_offset; |
| 1296 | prefetch(start); |
| 1297 | |
| 1298 | /* Copy data in the first descriptor of this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1299 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1300 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1301 | skb->len = curr_frag_len; |
| 1302 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1303 | memcpy(skb->data, start, curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1304 | /* Complete packet has now been moved to data */ |
| 1305 | put_page(page_info->page); |
| 1306 | skb->data_len = 0; |
| 1307 | skb->tail += curr_frag_len; |
| 1308 | } else { |
Eric Dumazet | ac1ae5f | 2012-07-13 03:19:41 +0000 | [diff] [blame] | 1309 | hdr_len = ETH_HLEN; |
| 1310 | memcpy(skb->data, start, hdr_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1311 | skb_shinfo(skb)->nr_frags = 1; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1312 | skb_frag_set_page(skb, 0, page_info->page); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1313 | skb_shinfo(skb)->frags[0].page_offset = |
| 1314 | page_info->page_offset + hdr_len; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1315 | 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] | 1316 | skb->data_len = curr_frag_len - hdr_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1317 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1318 | skb->tail += hdr_len; |
| 1319 | } |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1320 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1321 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1322 | if (rxcp->pkt_size <= rx_frag_size) { |
| 1323 | BUG_ON(rxcp->num_rcvd != 1); |
| 1324 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1325 | } |
| 1326 | |
| 1327 | /* More frags present for this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1328 | index_inc(&rxcp->rxq_idx, rxq->len); |
| 1329 | remaining = rxcp->pkt_size - curr_frag_len; |
| 1330 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1331 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1332 | curr_frag_len = min(remaining, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1333 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1334 | /* Coalesce all frags from the same physical page in one slot */ |
| 1335 | if (page_info->page_offset == 0) { |
| 1336 | /* Fresh page */ |
| 1337 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1338 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1339 | skb_shinfo(skb)->frags[j].page_offset = |
| 1340 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1341 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1342 | skb_shinfo(skb)->nr_frags++; |
| 1343 | } else { |
| 1344 | put_page(page_info->page); |
| 1345 | } |
| 1346 | |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1347 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1348 | skb->len += curr_frag_len; |
| 1349 | skb->data_len += curr_frag_len; |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1350 | skb->truesize += rx_frag_size; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1351 | remaining -= curr_frag_len; |
| 1352 | index_inc(&rxcp->rxq_idx, rxq->len); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 1353 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1354 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1355 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1356 | } |
| 1357 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1358 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1359 | static void be_rx_compl_process(struct be_rx_obj *rxo, |
| 1360 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1361 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1362 | struct be_adapter *adapter = rxo->adapter; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1363 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1364 | struct sk_buff *skb; |
Sathya Perla | 8942042 | 2010-02-17 01:35:26 +0000 | [diff] [blame] | 1365 | |
Eric Dumazet | bb349bb | 2012-01-25 03:56:30 +0000 | [diff] [blame] | 1366 | skb = netdev_alloc_skb_ip_align(netdev, BE_RX_SKB_ALLOC_SIZE); |
Sathya Perla | a058a63 | 2010-02-17 01:34:22 +0000 | [diff] [blame] | 1367 | if (unlikely(!skb)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1368 | rx_stats(rxo)->rx_drops_no_skbs++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1369 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1370 | return; |
| 1371 | } |
| 1372 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1373 | skb_fill_rx_data(rxo, skb, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1374 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1375 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1376 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | c6ce2f4 | 2010-10-25 01:11:58 +0000 | [diff] [blame] | 1377 | else |
| 1378 | skb_checksum_none_assert(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1379 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 1380 | skb->protocol = eth_type_trans(skb, netdev); |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1381 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1382 | if (netdev->features & NETIF_F_RXHASH) |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1383 | skb->rxhash = rxcp->rss_hash; |
| 1384 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1385 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1386 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1387 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1388 | |
| 1389 | netif_receive_skb(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1390 | } |
| 1391 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1392 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1393 | void be_rx_compl_process_gro(struct be_rx_obj *rxo, struct napi_struct *napi, |
| 1394 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1395 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1396 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1397 | struct be_rx_page_info *page_info; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1398 | struct sk_buff *skb = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1399 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1400 | u16 remaining, curr_frag_len; |
| 1401 | u16 i, j; |
Ajit Khaparde | 3968fa1 | 2011-02-20 11:41:53 +0000 | [diff] [blame] | 1402 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1403 | skb = napi_get_frags(napi); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1404 | if (!skb) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1405 | be_rx_compl_discard(rxo, rxcp); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1406 | return; |
| 1407 | } |
| 1408 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1409 | remaining = rxcp->pkt_size; |
| 1410 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1411 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1412 | |
| 1413 | curr_frag_len = min(remaining, rx_frag_size); |
| 1414 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1415 | /* Coalesce all frags from the same physical page in one slot */ |
| 1416 | if (i == 0 || page_info->page_offset == 0) { |
| 1417 | /* First frag or Fresh page */ |
| 1418 | j++; |
Ian Campbell | b061b39 | 2011-08-29 23:18:23 +0000 | [diff] [blame] | 1419 | skb_frag_set_page(skb, j, page_info->page); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1420 | skb_shinfo(skb)->frags[j].page_offset = |
| 1421 | page_info->page_offset; |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1422 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1423 | } else { |
| 1424 | put_page(page_info->page); |
| 1425 | } |
Eric Dumazet | 9e903e0 | 2011-10-18 21:00:24 +0000 | [diff] [blame] | 1426 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
Eric Dumazet | bdb28a9 | 2011-10-13 06:31:02 +0000 | [diff] [blame] | 1427 | skb->truesize += rx_frag_size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1428 | remaining -= curr_frag_len; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1429 | index_inc(&rxcp->rxq_idx, rxq->len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1430 | memset(page_info, 0, sizeof(*page_info)); |
| 1431 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1432 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1433 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1434 | skb_shinfo(skb)->nr_frags = j + 1; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1435 | skb->len = rxcp->pkt_size; |
| 1436 | skb->data_len = rxcp->pkt_size; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1437 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | aaa6dae | 2012-05-02 03:40:49 +0000 | [diff] [blame] | 1438 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1439 | if (adapter->netdev->features & NETIF_F_RXHASH) |
| 1440 | skb->rxhash = rxcp->rss_hash; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1441 | |
Jiri Pirko | 343e43c | 2011-08-25 02:50:51 +0000 | [diff] [blame] | 1442 | if (rxcp->vlanf) |
Patrick McHardy | 86a9bad | 2013-04-19 02:04:30 +0000 | [diff] [blame] | 1443 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
Ajit Khaparde | 4c5102f | 2011-07-12 22:10:01 -0700 | [diff] [blame] | 1444 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1445 | napi_gro_frags(napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1446 | } |
| 1447 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1448 | static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, |
| 1449 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1450 | { |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1451 | rxcp->pkt_size = |
| 1452 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); |
| 1453 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); |
| 1454 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); |
| 1455 | 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] | 1456 | 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] | 1457 | rxcp->ip_csum = |
| 1458 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); |
| 1459 | rxcp->l4_csum = |
| 1460 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); |
| 1461 | rxcp->ipv6 = |
| 1462 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); |
| 1463 | rxcp->rxq_idx = |
| 1464 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); |
| 1465 | rxcp->num_rcvd = |
| 1466 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); |
| 1467 | rxcp->pkt_type = |
| 1468 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1469 | rxcp->rss_hash = |
Sarveshwar Bandi | c297977 | 2012-07-25 21:29:50 +0000 | [diff] [blame] | 1470 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1471 | if (rxcp->vlanf) { |
| 1472 | 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] | 1473 | compl); |
| 1474 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, |
| 1475 | compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1476 | } |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 1477 | 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] | 1478 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1479 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1480 | static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, |
| 1481 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1482 | { |
| 1483 | rxcp->pkt_size = |
| 1484 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); |
| 1485 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); |
| 1486 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); |
| 1487 | 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] | 1488 | 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] | 1489 | rxcp->ip_csum = |
| 1490 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); |
| 1491 | rxcp->l4_csum = |
| 1492 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); |
| 1493 | rxcp->ipv6 = |
| 1494 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); |
| 1495 | rxcp->rxq_idx = |
| 1496 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); |
| 1497 | rxcp->num_rcvd = |
| 1498 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); |
| 1499 | rxcp->pkt_type = |
| 1500 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 1501 | rxcp->rss_hash = |
Sarveshwar Bandi | c297977 | 2012-07-25 21:29:50 +0000 | [diff] [blame] | 1502 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1503 | if (rxcp->vlanf) { |
| 1504 | 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] | 1505 | compl); |
| 1506 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, |
| 1507 | compl); |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1508 | } |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 1509 | rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, compl); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1510 | } |
| 1511 | |
| 1512 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) |
| 1513 | { |
| 1514 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); |
| 1515 | struct be_rx_compl_info *rxcp = &rxo->rxcp; |
| 1516 | struct be_adapter *adapter = rxo->adapter; |
| 1517 | |
| 1518 | /* For checking the valid bit it is Ok to use either definition as the |
| 1519 | * valid bit is at the same position in both v0 and v1 Rx compl */ |
| 1520 | 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] | 1521 | return NULL; |
| 1522 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1523 | rmb(); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1524 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
| 1525 | |
| 1526 | if (adapter->be3_native) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1527 | be_parse_rx_compl_v1(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1528 | else |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1529 | be_parse_rx_compl_v0(compl, rxcp); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1530 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1531 | if (rxcp->vlanf) { |
| 1532 | /* vlanf could be wrongly set in some cards. |
| 1533 | * ignore if vtm is not set */ |
Sathya Perla | 752961a | 2011-10-24 02:45:03 +0000 | [diff] [blame] | 1534 | if ((adapter->function_mode & FLEX10_MODE) && !rxcp->vtm) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1535 | rxcp->vlanf = 0; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1536 | |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1537 | if (!lancer_chip(adapter)) |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1538 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1539 | |
Somnath Kotur | 939cf30 | 2011-08-18 21:51:49 -0700 | [diff] [blame] | 1540 | if (adapter->pvid == (rxcp->vlan_tag & VLAN_VID_MASK) && |
David S. Miller | 3c709f8 | 2011-05-11 14:26:15 -0400 | [diff] [blame] | 1541 | !adapter->vlan_tag[rxcp->vlan_tag]) |
Sathya Perla | 15d7218 | 2011-03-21 20:49:26 +0000 | [diff] [blame] | 1542 | rxcp->vlanf = 0; |
| 1543 | } |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1544 | |
| 1545 | /* As the compl has been parsed, reset it; we wont touch it again */ |
| 1546 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1547 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1548 | queue_tail_inc(&rxo->cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1549 | return rxcp; |
| 1550 | } |
| 1551 | |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1552 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1553 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1554 | u32 order = get_order(size); |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1555 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1556 | if (order > 0) |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1557 | gfp |= __GFP_COMP; |
| 1558 | return alloc_pages(gfp, order); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1559 | } |
| 1560 | |
| 1561 | /* |
| 1562 | * Allocate a page, split it to fragments of size rx_frag_size and post as |
| 1563 | * receive buffers to BE |
| 1564 | */ |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1565 | 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] | 1566 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1567 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1568 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1569 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1570 | struct page *pagep = NULL; |
| 1571 | struct be_eth_rx_d *rxd; |
| 1572 | u64 page_dmaaddr = 0, frag_dmaaddr; |
| 1573 | u32 posted, page_offset = 0; |
| 1574 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1575 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1576 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
| 1577 | if (!pagep) { |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1578 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1579 | if (unlikely(!pagep)) { |
Sathya Perla | ac124ff | 2011-07-25 19:10:14 +0000 | [diff] [blame] | 1580 | rx_stats(rxo)->rx_post_fail++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1581 | break; |
| 1582 | } |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1583 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, |
| 1584 | 0, adapter->big_page_size, |
| 1585 | DMA_FROM_DEVICE); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1586 | page_info->page_offset = 0; |
| 1587 | } else { |
| 1588 | get_page(pagep); |
| 1589 | page_info->page_offset = page_offset + rx_frag_size; |
| 1590 | } |
| 1591 | page_offset = page_info->page_offset; |
| 1592 | page_info->page = pagep; |
FUJITA Tomonori | fac6da5 | 2010-04-01 16:53:22 +0000 | [diff] [blame] | 1593 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1594 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
| 1595 | |
| 1596 | rxd = queue_head_node(rxq); |
| 1597 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); |
| 1598 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1599 | |
| 1600 | /* Any space left in the current big page for another frag? */ |
| 1601 | if ((page_offset + rx_frag_size + rx_frag_size) > |
| 1602 | adapter->big_page_size) { |
| 1603 | pagep = NULL; |
| 1604 | page_info->last_page_user = true; |
| 1605 | } |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1606 | |
| 1607 | prev_page_info = page_info; |
| 1608 | queue_head_inc(rxq); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1609 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1610 | } |
| 1611 | if (pagep) |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1612 | prev_page_info->last_page_user = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1613 | |
| 1614 | if (posted) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1615 | atomic_add(posted, &rxq->used); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1616 | be_rxq_notify(adapter, rxq->id, posted); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1617 | } else if (atomic_read(&rxq->used) == 0) { |
| 1618 | /* Let be_worker replenish when memory is available */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1619 | rxo->rx_post_starved = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1620 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1621 | } |
| 1622 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1623 | 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] | 1624 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1625 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
| 1626 | |
| 1627 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) |
| 1628 | return NULL; |
| 1629 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1630 | rmb(); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1631 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
| 1632 | |
| 1633 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; |
| 1634 | |
| 1635 | queue_tail_inc(tx_cq); |
| 1636 | return txcp; |
| 1637 | } |
| 1638 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1639 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
| 1640 | struct be_tx_obj *txo, u16 last_index) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1641 | { |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1642 | struct be_queue_info *txq = &txo->q; |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1643 | struct be_eth_wrb *wrb; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1644 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1645 | struct sk_buff *sent_skb; |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1646 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
| 1647 | bool unmap_skb_hdr = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1648 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1649 | sent_skb = sent_skbs[txq->tail]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1650 | BUG_ON(!sent_skb); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1651 | sent_skbs[txq->tail] = NULL; |
| 1652 | |
| 1653 | /* skip header wrb */ |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1654 | queue_tail_inc(txq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1655 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1656 | do { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1657 | cur_index = txq->tail; |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1658 | wrb = queue_tail_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1659 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
| 1660 | (unmap_skb_hdr && skb_headlen(sent_skb))); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1661 | unmap_skb_hdr = false; |
| 1662 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1663 | num_wrbs++; |
| 1664 | queue_tail_inc(txq); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1665 | } while (cur_index != last_index); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1666 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1667 | kfree_skb(sent_skb); |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 1668 | return num_wrbs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1669 | } |
| 1670 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1671 | /* Return the number of events in the event queue */ |
| 1672 | static inline int events_get(struct be_eq_obj *eqo) |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1673 | { |
| 1674 | struct be_eq_entry *eqe; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1675 | int num = 0; |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1676 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1677 | do { |
| 1678 | eqe = queue_tail_node(&eqo->q); |
| 1679 | if (eqe->evt == 0) |
| 1680 | break; |
| 1681 | |
| 1682 | rmb(); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1683 | eqe->evt = 0; |
| 1684 | num++; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1685 | queue_tail_inc(&eqo->q); |
| 1686 | } while (true); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1687 | |
| 1688 | return num; |
| 1689 | } |
| 1690 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1691 | /* Leaves the EQ is disarmed state */ |
| 1692 | static void be_eq_clean(struct be_eq_obj *eqo) |
| 1693 | { |
| 1694 | int num = events_get(eqo); |
| 1695 | |
| 1696 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, num); |
| 1697 | } |
| 1698 | |
| 1699 | static void be_rx_cq_clean(struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1700 | { |
| 1701 | struct be_rx_page_info *page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1702 | struct be_queue_info *rxq = &rxo->q; |
| 1703 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1704 | struct be_rx_compl_info *rxcp; |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 1705 | struct be_adapter *adapter = rxo->adapter; |
| 1706 | int flush_wait = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1707 | u16 tail; |
| 1708 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 1709 | /* Consume pending rx completions. |
| 1710 | * Wait for the flush completion (identified by zero num_rcvd) |
| 1711 | * to arrive. Notify CQ even when there are no more CQ entries |
| 1712 | * for HW to flush partially coalesced CQ entries. |
| 1713 | * In Lancer, there is no need to wait for flush compl. |
| 1714 | */ |
| 1715 | for (;;) { |
| 1716 | rxcp = be_rx_compl_get(rxo); |
| 1717 | if (rxcp == NULL) { |
| 1718 | if (lancer_chip(adapter)) |
| 1719 | break; |
| 1720 | |
| 1721 | if (flush_wait++ > 10 || be_hw_error(adapter)) { |
| 1722 | dev_warn(&adapter->pdev->dev, |
| 1723 | "did not receive flush compl\n"); |
| 1724 | break; |
| 1725 | } |
| 1726 | be_cq_notify(adapter, rx_cq->id, true, 0); |
| 1727 | mdelay(1); |
| 1728 | } else { |
| 1729 | be_rx_compl_discard(rxo, rxcp); |
| 1730 | be_cq_notify(adapter, rx_cq->id, true, 1); |
| 1731 | if (rxcp->num_rcvd == 0) |
| 1732 | break; |
| 1733 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1734 | } |
| 1735 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 1736 | /* After cleanup, leave the CQ in unarmed state */ |
| 1737 | be_cq_notify(adapter, rx_cq->id, false, 0); |
| 1738 | |
| 1739 | /* Then free posted rx buffers that were not used */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1740 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; |
Sathya Perla | cdab23b | 2009-08-10 03:43:23 +0000 | [diff] [blame] | 1741 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1742 | page_info = get_rx_page_info(rxo, tail); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1743 | put_page(page_info->page); |
| 1744 | memset(page_info, 0, sizeof(*page_info)); |
| 1745 | } |
| 1746 | BUG_ON(atomic_read(&rxq->used)); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 1747 | rxq->tail = rxq->head = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1748 | } |
| 1749 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1750 | static void be_tx_compl_clean(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1751 | { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1752 | struct be_tx_obj *txo; |
| 1753 | struct be_queue_info *txq; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1754 | struct be_eth_tx_compl *txcp; |
Padmanabh Ratnakar | 4d586b8 | 2011-05-10 05:13:57 +0000 | [diff] [blame] | 1755 | u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1756 | struct sk_buff *sent_skb; |
| 1757 | bool dummy_wrb; |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1758 | int i, pending_txqs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1759 | |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1760 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ |
| 1761 | do { |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1762 | pending_txqs = adapter->num_tx_qs; |
| 1763 | |
| 1764 | for_all_tx_queues(adapter, txo, i) { |
| 1765 | txq = &txo->q; |
| 1766 | while ((txcp = be_tx_compl_get(&txo->cq))) { |
| 1767 | end_idx = |
| 1768 | AMAP_GET_BITS(struct amap_eth_tx_compl, |
| 1769 | wrb_index, txcp); |
| 1770 | num_wrbs += be_tx_compl_process(adapter, txo, |
| 1771 | end_idx); |
| 1772 | cmpl++; |
| 1773 | } |
| 1774 | if (cmpl) { |
| 1775 | be_cq_notify(adapter, txo->cq.id, false, cmpl); |
| 1776 | atomic_sub(num_wrbs, &txq->used); |
| 1777 | cmpl = 0; |
| 1778 | num_wrbs = 0; |
| 1779 | } |
| 1780 | if (atomic_read(&txq->used) == 0) |
| 1781 | pending_txqs--; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1782 | } |
| 1783 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1784 | if (pending_txqs == 0 || ++timeo > 200) |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1785 | break; |
| 1786 | |
| 1787 | mdelay(1); |
| 1788 | } while (true); |
| 1789 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1790 | for_all_tx_queues(adapter, txo, i) { |
| 1791 | txq = &txo->q; |
| 1792 | if (atomic_read(&txq->used)) |
| 1793 | dev_err(&adapter->pdev->dev, "%d pending tx-compls\n", |
| 1794 | atomic_read(&txq->used)); |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1795 | |
Sathya Perla | 0ae57bb | 2012-02-23 18:50:14 +0000 | [diff] [blame] | 1796 | /* free posted tx for which compls will never arrive */ |
| 1797 | while (atomic_read(&txq->used)) { |
| 1798 | sent_skb = txo->sent_skb_list[txq->tail]; |
| 1799 | end_idx = txq->tail; |
| 1800 | num_wrbs = wrb_cnt_for_skb(adapter, sent_skb, |
| 1801 | &dummy_wrb); |
| 1802 | index_adv(&end_idx, num_wrbs - 1, txq->len); |
| 1803 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); |
| 1804 | atomic_sub(num_wrbs, &txq->used); |
| 1805 | } |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1806 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1807 | } |
| 1808 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1809 | static void be_evt_queues_destroy(struct be_adapter *adapter) |
| 1810 | { |
| 1811 | struct be_eq_obj *eqo; |
| 1812 | int i; |
| 1813 | |
| 1814 | for_all_evt_queues(adapter, eqo, i) { |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 1815 | if (eqo->q.created) { |
| 1816 | be_eq_clean(eqo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1817 | be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); |
Padmanabh Ratnakar | 19d59aa | 2012-07-12 03:57:21 +0000 | [diff] [blame] | 1818 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1819 | be_queue_free(adapter, &eqo->q); |
| 1820 | } |
| 1821 | } |
| 1822 | |
| 1823 | static int be_evt_queues_create(struct be_adapter *adapter) |
| 1824 | { |
| 1825 | struct be_queue_info *eq; |
| 1826 | struct be_eq_obj *eqo; |
| 1827 | int i, rc; |
| 1828 | |
| 1829 | adapter->num_evt_qs = num_irqs(adapter); |
| 1830 | |
| 1831 | for_all_evt_queues(adapter, eqo, i) { |
| 1832 | eqo->adapter = adapter; |
| 1833 | eqo->tx_budget = BE_TX_BUDGET; |
| 1834 | eqo->idx = i; |
| 1835 | eqo->max_eqd = BE_MAX_EQD; |
| 1836 | eqo->enable_aic = true; |
| 1837 | |
| 1838 | eq = &eqo->q; |
| 1839 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, |
| 1840 | sizeof(struct be_eq_entry)); |
| 1841 | if (rc) |
| 1842 | return rc; |
| 1843 | |
| 1844 | rc = be_cmd_eq_create(adapter, eq, eqo->cur_eqd); |
| 1845 | if (rc) |
| 1846 | return rc; |
| 1847 | } |
Sathya Perla | 1cfafab | 2012-02-23 18:50:15 +0000 | [diff] [blame] | 1848 | return 0; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1849 | } |
| 1850 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1851 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
| 1852 | { |
| 1853 | struct be_queue_info *q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1854 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1855 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1856 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1857 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1858 | be_queue_free(adapter, q); |
| 1859 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1860 | q = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1861 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1862 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1863 | be_queue_free(adapter, q); |
| 1864 | } |
| 1865 | |
| 1866 | /* Must be called only after TX qs are created as MCC shares TX EQ */ |
| 1867 | static int be_mcc_queues_create(struct be_adapter *adapter) |
| 1868 | { |
| 1869 | struct be_queue_info *q, *cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1870 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1871 | cq = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1872 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
Sathya Perla | efd2e40 | 2009-07-27 22:53:10 +0000 | [diff] [blame] | 1873 | sizeof(struct be_mcc_compl))) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1874 | goto err; |
| 1875 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1876 | /* Use the default EQ for MCC completions */ |
| 1877 | 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] | 1878 | goto mcc_cq_free; |
| 1879 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1880 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1881 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
| 1882 | goto mcc_cq_destroy; |
| 1883 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1884 | if (be_cmd_mccq_create(adapter, q, cq)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1885 | goto mcc_q_free; |
| 1886 | |
| 1887 | return 0; |
| 1888 | |
| 1889 | mcc_q_free: |
| 1890 | be_queue_free(adapter, q); |
| 1891 | mcc_cq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1892 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1893 | mcc_cq_free: |
| 1894 | be_queue_free(adapter, cq); |
| 1895 | err: |
| 1896 | return -1; |
| 1897 | } |
| 1898 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1899 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
| 1900 | { |
| 1901 | struct be_queue_info *q; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1902 | struct be_tx_obj *txo; |
| 1903 | u8 i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1904 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1905 | for_all_tx_queues(adapter, txo, i) { |
| 1906 | q = &txo->q; |
| 1907 | if (q->created) |
| 1908 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
| 1909 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1910 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1911 | q = &txo->cq; |
| 1912 | if (q->created) |
| 1913 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 1914 | be_queue_free(adapter, q); |
| 1915 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1916 | } |
| 1917 | |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 1918 | static int be_num_txqs_want(struct be_adapter *adapter) |
| 1919 | { |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 1920 | if ((!lancer_chip(adapter) && sriov_want(adapter)) || |
| 1921 | be_is_mc(adapter) || |
| 1922 | (!lancer_chip(adapter) && !be_physfn(adapter)) || |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 1923 | BE2_chip(adapter)) |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 1924 | return 1; |
| 1925 | else |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 1926 | return adapter->max_tx_queues; |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 1927 | } |
| 1928 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1929 | static int be_tx_cqs_create(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1930 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1931 | struct be_queue_info *cq, *eq; |
| 1932 | int status; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1933 | struct be_tx_obj *txo; |
| 1934 | u8 i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1935 | |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 1936 | adapter->num_tx_qs = be_num_txqs_want(adapter); |
Padmanabh Ratnakar | 3bb62f4 | 2011-11-25 05:48:06 +0000 | [diff] [blame] | 1937 | if (adapter->num_tx_qs != MAX_TX_QS) { |
| 1938 | rtnl_lock(); |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 1939 | netif_set_real_num_tx_queues(adapter->netdev, |
| 1940 | adapter->num_tx_qs); |
Padmanabh Ratnakar | 3bb62f4 | 2011-11-25 05:48:06 +0000 | [diff] [blame] | 1941 | rtnl_unlock(); |
| 1942 | } |
Sathya Perla | dafc0fe | 2011-10-24 02:45:02 +0000 | [diff] [blame] | 1943 | |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1944 | for_all_tx_queues(adapter, txo, i) { |
| 1945 | cq = &txo->cq; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1946 | status = be_queue_alloc(adapter, cq, TX_CQ_LEN, |
| 1947 | sizeof(struct be_eth_tx_compl)); |
| 1948 | if (status) |
| 1949 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1950 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1951 | /* If num_evt_qs is less than num_tx_qs, then more than |
| 1952 | * one txq share an eq |
| 1953 | */ |
| 1954 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 1955 | status = be_cmd_cq_create(adapter, cq, eq, false, 3); |
| 1956 | if (status) |
| 1957 | return status; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 1958 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1959 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1960 | } |
| 1961 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1962 | static int be_tx_qs_create(struct be_adapter *adapter) |
| 1963 | { |
| 1964 | struct be_tx_obj *txo; |
| 1965 | int i, status; |
| 1966 | |
| 1967 | for_all_tx_queues(adapter, txo, i) { |
| 1968 | status = be_queue_alloc(adapter, &txo->q, TX_Q_LEN, |
| 1969 | sizeof(struct be_eth_wrb)); |
| 1970 | if (status) |
| 1971 | return status; |
| 1972 | |
Vasundhara Volam | 94d73aa | 2013-04-21 23:28:14 +0000 | [diff] [blame^] | 1973 | status = be_cmd_txq_create(adapter, txo); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1974 | if (status) |
| 1975 | return status; |
| 1976 | } |
| 1977 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 1978 | dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n", |
| 1979 | adapter->num_tx_qs); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1980 | return 0; |
| 1981 | } |
| 1982 | |
| 1983 | static void be_rx_cqs_destroy(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1984 | { |
| 1985 | struct be_queue_info *q; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1986 | struct be_rx_obj *rxo; |
| 1987 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1988 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1989 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1990 | q = &rxo->cq; |
| 1991 | if (q->created) |
| 1992 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 1993 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1994 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1995 | } |
| 1996 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1997 | static int be_rx_cqs_create(struct be_adapter *adapter) |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 1998 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 1999 | struct be_queue_info *eq, *cq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2000 | struct be_rx_obj *rxo; |
| 2001 | int rc, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2002 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2003 | /* We'll create as many RSS rings as there are irqs. |
| 2004 | * But when there's only one irq there's no use creating RSS rings |
| 2005 | */ |
| 2006 | adapter->num_rx_qs = (num_irqs(adapter) > 1) ? |
| 2007 | num_irqs(adapter) + 1 : 1; |
Sathya Perla | 7f64006 | 2012-06-05 19:37:20 +0000 | [diff] [blame] | 2008 | if (adapter->num_rx_qs != MAX_RX_QS) { |
| 2009 | rtnl_lock(); |
| 2010 | netif_set_real_num_rx_queues(adapter->netdev, |
| 2011 | adapter->num_rx_qs); |
| 2012 | rtnl_unlock(); |
| 2013 | } |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2014 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2015 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2016 | for_all_rx_queues(adapter, rxo, i) { |
| 2017 | rxo->adapter = adapter; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2018 | cq = &rxo->cq; |
| 2019 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, |
| 2020 | sizeof(struct be_eth_rx_compl)); |
| 2021 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2022 | return rc; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2023 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2024 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
| 2025 | rc = be_cmd_cq_create(adapter, cq, eq, false, 3); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2026 | if (rc) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2027 | return rc; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2028 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2029 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2030 | dev_info(&adapter->pdev->dev, |
| 2031 | "created %d RSS queue(s) and 1 default RX queue\n", |
| 2032 | adapter->num_rx_qs - 1); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2033 | return 0; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2034 | } |
| 2035 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2036 | static irqreturn_t be_intx(int irq, void *dev) |
| 2037 | { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2038 | struct be_eq_obj *eqo = dev; |
| 2039 | struct be_adapter *adapter = eqo->adapter; |
| 2040 | int num_evts = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2041 | |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2042 | /* IRQ is not expected when NAPI is scheduled as the EQ |
| 2043 | * will not be armed. |
| 2044 | * But, this can happen on Lancer INTx where it takes |
| 2045 | * a while to de-assert INTx or in BE2 where occasionaly |
| 2046 | * an interrupt may be raised even when EQ is unarmed. |
| 2047 | * If NAPI is already scheduled, then counting & notifying |
| 2048 | * events will orphan them. |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2049 | */ |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2050 | if (napi_schedule_prep(&eqo->napi)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2051 | num_evts = events_get(eqo); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2052 | __napi_schedule(&eqo->napi); |
| 2053 | if (num_evts) |
| 2054 | eqo->spurious_intr = 0; |
| 2055 | } |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2056 | be_eq_notify(adapter, eqo->q.id, false, true, num_evts); |
Sathya Perla | d0b9cec | 2013-01-11 22:47:02 +0000 | [diff] [blame] | 2057 | |
| 2058 | /* Return IRQ_HANDLED only for the the first spurious intr |
| 2059 | * after a valid intr to stop the kernel from branding |
| 2060 | * this irq as a bad one! |
| 2061 | */ |
| 2062 | if (num_evts || eqo->spurious_intr++ == 0) |
| 2063 | return IRQ_HANDLED; |
| 2064 | else |
| 2065 | return IRQ_NONE; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2066 | } |
| 2067 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2068 | static irqreturn_t be_msix(int irq, void *dev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2069 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2070 | struct be_eq_obj *eqo = dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2071 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2072 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 2073 | napi_schedule(&eqo->napi); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2074 | return IRQ_HANDLED; |
| 2075 | } |
| 2076 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2077 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2078 | { |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2079 | return (rxcp->tcpf && !rxcp->err) ? true : false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2080 | } |
| 2081 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2082 | static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, |
| 2083 | int budget) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2084 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2085 | struct be_adapter *adapter = rxo->adapter; |
| 2086 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2087 | struct be_rx_compl_info *rxcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2088 | u32 work_done; |
| 2089 | |
| 2090 | for (work_done = 0; work_done < budget; work_done++) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2091 | rxcp = be_rx_compl_get(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2092 | if (!rxcp) |
| 2093 | break; |
| 2094 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2095 | /* Is it a flush compl that has no data */ |
| 2096 | if (unlikely(rxcp->num_rcvd == 0)) |
| 2097 | goto loop_continue; |
| 2098 | |
| 2099 | /* Discard compl with partial DMA Lancer B0 */ |
| 2100 | if (unlikely(!rxcp->pkt_size)) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2101 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2102 | goto loop_continue; |
Sathya Perla | 6464281 | 2010-12-01 01:04:17 +0000 | [diff] [blame] | 2103 | } |
Padmanabh Ratnakar | 009dd87 | 2011-05-10 05:12:17 +0000 | [diff] [blame] | 2104 | |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2105 | /* On BE drop pkts that arrive due to imperfect filtering in |
| 2106 | * promiscuous mode on some skews |
| 2107 | */ |
| 2108 | if (unlikely(rxcp->port != adapter->port_num && |
| 2109 | !lancer_chip(adapter))) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2110 | be_rx_compl_discard(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2111 | goto loop_continue; |
| 2112 | } |
| 2113 | |
| 2114 | if (do_gro(rxcp)) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2115 | be_rx_compl_process_gro(rxo, napi, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2116 | else |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2117 | be_rx_compl_process(rxo, rxcp); |
Sathya Perla | 12004ae | 2011-08-02 19:57:46 +0000 | [diff] [blame] | 2118 | loop_continue: |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2119 | be_rx_stats_update(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2120 | } |
| 2121 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2122 | if (work_done) { |
| 2123 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
Padmanabh Ratnakar | 9372cac | 2011-11-03 01:49:55 +0000 | [diff] [blame] | 2124 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2125 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) |
| 2126 | be_post_rx_frags(rxo, GFP_ATOMIC); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2127 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2128 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2129 | return work_done; |
| 2130 | } |
| 2131 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2132 | static bool be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, |
| 2133 | int budget, int idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2134 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2135 | struct be_eth_tx_compl *txcp; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2136 | int num_wrbs = 0, work_done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2137 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2138 | for (work_done = 0; work_done < budget; work_done++) { |
| 2139 | txcp = be_tx_compl_get(&txo->cq); |
| 2140 | if (!txcp) |
| 2141 | break; |
| 2142 | num_wrbs += be_tx_compl_process(adapter, txo, |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2143 | AMAP_GET_BITS(struct amap_eth_tx_compl, |
| 2144 | wrb_index, txcp)); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2145 | } |
| 2146 | |
| 2147 | if (work_done) { |
| 2148 | be_cq_notify(adapter, txo->cq.id, true, work_done); |
| 2149 | atomic_sub(num_wrbs, &txo->q.used); |
| 2150 | |
| 2151 | /* As Tx wrbs have been freed up, wake up netdev queue |
| 2152 | * if it was stopped due to lack of tx wrbs. */ |
| 2153 | if (__netif_subqueue_stopped(adapter->netdev, idx) && |
| 2154 | atomic_read(&txo->q.used) < txo->q.len / 2) { |
| 2155 | netif_wake_subqueue(adapter->netdev, idx); |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2156 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2157 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2158 | u64_stats_update_begin(&tx_stats(txo)->sync_compl); |
| 2159 | tx_stats(txo)->tx_compl += work_done; |
| 2160 | u64_stats_update_end(&tx_stats(txo)->sync_compl); |
| 2161 | } |
| 2162 | return (work_done < budget); /* Done */ |
| 2163 | } |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2164 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2165 | int be_poll(struct napi_struct *napi, int budget) |
| 2166 | { |
| 2167 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); |
| 2168 | struct be_adapter *adapter = eqo->adapter; |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2169 | int max_work = 0, work, i, num_evts; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2170 | bool tx_done; |
Sathya Perla | 3c8def9 | 2011-06-12 20:01:58 +0000 | [diff] [blame] | 2171 | |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2172 | num_evts = events_get(eqo); |
| 2173 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2174 | /* Process all TXQs serviced by this EQ */ |
| 2175 | for (i = eqo->idx; i < adapter->num_tx_qs; i += adapter->num_evt_qs) { |
| 2176 | tx_done = be_process_tx(adapter, &adapter->tx_obj[i], |
| 2177 | eqo->tx_budget, i); |
| 2178 | if (!tx_done) |
| 2179 | max_work = budget; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2180 | } |
| 2181 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2182 | /* This loop will iterate twice for EQ0 in which |
| 2183 | * completions of the last RXQ (default one) are also processed |
| 2184 | * For other EQs the loop iterates only once |
| 2185 | */ |
| 2186 | for (i = eqo->idx; i < adapter->num_rx_qs; i += adapter->num_evt_qs) { |
| 2187 | work = be_process_rx(&adapter->rx_obj[i], napi, budget); |
| 2188 | max_work = max(work, max_work); |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 2189 | } |
| 2190 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2191 | if (is_mcc_eqo(eqo)) |
| 2192 | be_process_mcc(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2193 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2194 | if (max_work < budget) { |
| 2195 | napi_complete(napi); |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2196 | be_eq_notify(adapter, eqo->q.id, true, false, num_evts); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2197 | } else { |
| 2198 | /* As we'll continue in polling mode, count and clear events */ |
Sathya Perla | 0b545a6 | 2012-11-23 00:27:18 +0000 | [diff] [blame] | 2199 | be_eq_notify(adapter, eqo->q.id, false, false, num_evts); |
Padmanabh Ratnakar | 93c8670 | 2011-12-19 01:53:35 +0000 | [diff] [blame] | 2200 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2201 | return max_work; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2202 | } |
| 2203 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2204 | void be_detect_error(struct be_adapter *adapter) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2205 | { |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2206 | u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; |
| 2207 | u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2208 | u32 i; |
| 2209 | |
Sathya Perla | d23e946 | 2012-12-17 19:38:51 +0000 | [diff] [blame] | 2210 | if (be_hw_error(adapter)) |
Sathya Perla | 72f0248 | 2011-11-10 19:17:58 +0000 | [diff] [blame] | 2211 | return; |
| 2212 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2213 | if (lancer_chip(adapter)) { |
| 2214 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); |
| 2215 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
| 2216 | sliport_err1 = ioread32(adapter->db + |
| 2217 | SLIPORT_ERROR1_OFFSET); |
| 2218 | sliport_err2 = ioread32(adapter->db + |
| 2219 | SLIPORT_ERROR2_OFFSET); |
| 2220 | } |
| 2221 | } else { |
| 2222 | pci_read_config_dword(adapter->pdev, |
| 2223 | PCICFG_UE_STATUS_LOW, &ue_lo); |
| 2224 | pci_read_config_dword(adapter->pdev, |
| 2225 | PCICFG_UE_STATUS_HIGH, &ue_hi); |
| 2226 | pci_read_config_dword(adapter->pdev, |
| 2227 | PCICFG_UE_STATUS_LOW_MASK, &ue_lo_mask); |
| 2228 | pci_read_config_dword(adapter->pdev, |
| 2229 | PCICFG_UE_STATUS_HI_MASK, &ue_hi_mask); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2230 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2231 | ue_lo = (ue_lo & ~ue_lo_mask); |
| 2232 | ue_hi = (ue_hi & ~ue_hi_mask); |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2233 | } |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2234 | |
Ajit Khaparde | 1451ae6 | 2012-10-08 18:18:21 +0000 | [diff] [blame] | 2235 | /* On certain platforms BE hardware can indicate spurious UEs. |
| 2236 | * Allow the h/w to stop working completely in case of a real UE. |
| 2237 | * Hence not setting the hw_error for UE detection. |
| 2238 | */ |
| 2239 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2240 | adapter->hw_error = true; |
Sathya Perla | 434b364 | 2011-11-10 19:17:59 +0000 | [diff] [blame] | 2241 | dev_err(&adapter->pdev->dev, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2242 | "Error detected in the card\n"); |
| 2243 | } |
| 2244 | |
| 2245 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { |
| 2246 | dev_err(&adapter->pdev->dev, |
| 2247 | "ERR: sliport status 0x%x\n", sliport_status); |
| 2248 | dev_err(&adapter->pdev->dev, |
| 2249 | "ERR: sliport error1 0x%x\n", sliport_err1); |
| 2250 | dev_err(&adapter->pdev->dev, |
| 2251 | "ERR: sliport error2 0x%x\n", sliport_err2); |
Ajit Khaparde | d053de9 | 2010-09-03 06:23:30 +0000 | [diff] [blame] | 2252 | } |
| 2253 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2254 | if (ue_lo) { |
| 2255 | for (i = 0; ue_lo; ue_lo >>= 1, i++) { |
| 2256 | if (ue_lo & 1) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2257 | dev_err(&adapter->pdev->dev, |
| 2258 | "UE: %s bit set\n", ue_status_low_desc[i]); |
| 2259 | } |
| 2260 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 2261 | |
Padmanabh Ratnakar | e1cfb67 | 2011-11-03 01:50:08 +0000 | [diff] [blame] | 2262 | if (ue_hi) { |
| 2263 | for (i = 0; ue_hi; ue_hi >>= 1, i++) { |
| 2264 | if (ue_hi & 1) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 2265 | dev_err(&adapter->pdev->dev, |
| 2266 | "UE: %s bit set\n", ue_status_hi_desc[i]); |
| 2267 | } |
| 2268 | } |
| 2269 | |
| 2270 | } |
| 2271 | |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2272 | static void be_msix_disable(struct be_adapter *adapter) |
| 2273 | { |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2274 | if (msix_enabled(adapter)) { |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2275 | pci_disable_msix(adapter->pdev); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2276 | adapter->num_msix_vec = 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2277 | } |
| 2278 | } |
| 2279 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2280 | static uint be_num_rss_want(struct be_adapter *adapter) |
| 2281 | { |
Yuval Mintz | 30e80b5 | 2012-07-01 03:19:00 +0000 | [diff] [blame] | 2282 | u32 num = 0; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2283 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2284 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2285 | (lancer_chip(adapter) || |
| 2286 | (!sriov_want(adapter) && be_physfn(adapter)))) { |
| 2287 | num = adapter->max_rss_queues; |
Yuval Mintz | 30e80b5 | 2012-07-01 03:19:00 +0000 | [diff] [blame] | 2288 | num = min_t(u32, num, (u32)netif_get_num_default_rss_queues()); |
| 2289 | } |
| 2290 | return num; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2291 | } |
| 2292 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2293 | static void be_msix_enable(struct be_adapter *adapter) |
| 2294 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2295 | #define BE_MIN_MSIX_VECTORS 1 |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2296 | int i, status, num_vec, num_roce_vec = 0; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2297 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2298 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2299 | /* If RSS queues are not used, need a vec for default RX Q */ |
| 2300 | num_vec = min(be_num_rss_want(adapter), num_online_cpus()); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2301 | if (be_roce_supported(adapter)) { |
| 2302 | num_roce_vec = min_t(u32, MAX_ROCE_MSIX_VECTORS, |
| 2303 | (num_online_cpus() + 1)); |
| 2304 | num_roce_vec = min(num_roce_vec, MAX_ROCE_EQS); |
| 2305 | num_vec += num_roce_vec; |
| 2306 | num_vec = min(num_vec, MAX_MSIX_VECTORS); |
| 2307 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2308 | num_vec = max(num_vec, BE_MIN_MSIX_VECTORS); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2309 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2310 | for (i = 0; i < num_vec; i++) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2311 | adapter->msix_entries[i].entry = i; |
| 2312 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2313 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2314 | if (status == 0) { |
| 2315 | goto done; |
| 2316 | } else if (status >= BE_MIN_MSIX_VECTORS) { |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2317 | num_vec = status; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2318 | if (pci_enable_msix(adapter->pdev, adapter->msix_entries, |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2319 | num_vec) == 0) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2320 | goto done; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2321 | } |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2322 | |
| 2323 | dev_warn(dev, "MSIx enable failed\n"); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2324 | return; |
| 2325 | done: |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2326 | if (be_roce_supported(adapter)) { |
| 2327 | if (num_vec > num_roce_vec) { |
| 2328 | adapter->num_msix_vec = num_vec - num_roce_vec; |
| 2329 | adapter->num_msix_roce_vec = |
| 2330 | num_vec - adapter->num_msix_vec; |
| 2331 | } else { |
| 2332 | adapter->num_msix_vec = num_vec; |
| 2333 | adapter->num_msix_roce_vec = 0; |
| 2334 | } |
| 2335 | } else |
| 2336 | adapter->num_msix_vec = num_vec; |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 2337 | dev_info(dev, "enabled %d MSI-x vector(s)\n", adapter->num_msix_vec); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2338 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2339 | } |
| 2340 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2341 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2342 | struct be_eq_obj *eqo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2343 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2344 | return adapter->msix_entries[eqo->idx].vector; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2345 | } |
| 2346 | |
| 2347 | static int be_msix_register(struct be_adapter *adapter) |
| 2348 | { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2349 | struct net_device *netdev = adapter->netdev; |
| 2350 | struct be_eq_obj *eqo; |
| 2351 | int status, i, vec; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2352 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2353 | for_all_evt_queues(adapter, eqo, i) { |
| 2354 | sprintf(eqo->desc, "%s-q%d", netdev->name, i); |
| 2355 | vec = be_msix_vec_get(adapter, eqo); |
| 2356 | status = request_irq(vec, be_msix, 0, eqo->desc, eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2357 | if (status) |
| 2358 | goto err_msix; |
| 2359 | } |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 2360 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2361 | return 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2362 | err_msix: |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2363 | for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) |
| 2364 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
| 2365 | dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", |
| 2366 | status); |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2367 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2368 | return status; |
| 2369 | } |
| 2370 | |
| 2371 | static int be_irq_register(struct be_adapter *adapter) |
| 2372 | { |
| 2373 | struct net_device *netdev = adapter->netdev; |
| 2374 | int status; |
| 2375 | |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2376 | if (msix_enabled(adapter)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2377 | status = be_msix_register(adapter); |
| 2378 | if (status == 0) |
| 2379 | goto done; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2380 | /* INTx is not supported for VF */ |
| 2381 | if (!be_physfn(adapter)) |
| 2382 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2383 | } |
| 2384 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2385 | /* INTx: only the first EQ is used */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2386 | netdev->irq = adapter->pdev->irq; |
| 2387 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2388 | &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2389 | if (status) { |
| 2390 | dev_err(&adapter->pdev->dev, |
| 2391 | "INTx request IRQ failed - err %d\n", status); |
| 2392 | return status; |
| 2393 | } |
| 2394 | done: |
| 2395 | adapter->isr_registered = true; |
| 2396 | return 0; |
| 2397 | } |
| 2398 | |
| 2399 | static void be_irq_unregister(struct be_adapter *adapter) |
| 2400 | { |
| 2401 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2402 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2403 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2404 | |
| 2405 | if (!adapter->isr_registered) |
| 2406 | return; |
| 2407 | |
| 2408 | /* INTx */ |
Sathya Perla | ac6a0c4 | 2011-03-21 20:49:25 +0000 | [diff] [blame] | 2409 | if (!msix_enabled(adapter)) { |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 2410 | free_irq(netdev->irq, &adapter->eq_obj[0]); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2411 | goto done; |
| 2412 | } |
| 2413 | |
| 2414 | /* MSIx */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2415 | for_all_evt_queues(adapter, eqo, i) |
| 2416 | free_irq(be_msix_vec_get(adapter, eqo), eqo); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2417 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2418 | done: |
| 2419 | adapter->isr_registered = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2420 | } |
| 2421 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2422 | static void be_rx_qs_destroy(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2423 | { |
| 2424 | struct be_queue_info *q; |
| 2425 | struct be_rx_obj *rxo; |
| 2426 | int i; |
| 2427 | |
| 2428 | for_all_rx_queues(adapter, rxo, i) { |
| 2429 | q = &rxo->q; |
| 2430 | if (q->created) { |
| 2431 | be_cmd_rxq_destroy(adapter, q); |
| 2432 | /* After the rxq is invalidated, wait for a grace time |
| 2433 | * of 1ms for all dma to end and the flush compl to |
| 2434 | * arrive |
| 2435 | */ |
| 2436 | mdelay(1); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2437 | be_rx_cq_clean(rxo); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2438 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2439 | be_queue_free(adapter, q); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2440 | } |
| 2441 | } |
| 2442 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2443 | static int be_close(struct net_device *netdev) |
| 2444 | { |
| 2445 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2446 | struct be_eq_obj *eqo; |
| 2447 | int i; |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2448 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2449 | be_roce_dev_close(adapter); |
| 2450 | |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 2451 | for_all_evt_queues(adapter, eqo, i) |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2452 | napi_disable(&eqo->napi); |
Sathya Perla | a323d9b | 2012-12-17 19:38:50 +0000 | [diff] [blame] | 2453 | |
| 2454 | be_async_mcc_disable(adapter); |
| 2455 | |
| 2456 | /* Wait for all pending tx completions to arrive so that |
| 2457 | * all tx skbs are freed. |
| 2458 | */ |
| 2459 | be_tx_compl_clean(adapter); |
| 2460 | |
| 2461 | be_rx_qs_destroy(adapter); |
| 2462 | |
| 2463 | for_all_evt_queues(adapter, eqo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2464 | if (msix_enabled(adapter)) |
| 2465 | synchronize_irq(be_msix_vec_get(adapter, eqo)); |
| 2466 | else |
| 2467 | synchronize_irq(netdev->irq); |
| 2468 | be_eq_clean(eqo); |
Padmanabh Ratnakar | 63fcb27 | 2011-03-07 03:09:17 +0000 | [diff] [blame] | 2469 | } |
| 2470 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2471 | be_irq_unregister(adapter); |
| 2472 | |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2473 | return 0; |
| 2474 | } |
| 2475 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2476 | static int be_rx_qs_create(struct be_adapter *adapter) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2477 | { |
| 2478 | struct be_rx_obj *rxo; |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 2479 | int rc, i, j; |
| 2480 | u8 rsstable[128]; |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2481 | |
| 2482 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2483 | rc = be_queue_alloc(adapter, &rxo->q, RX_Q_LEN, |
| 2484 | sizeof(struct be_eth_rx_d)); |
| 2485 | if (rc) |
| 2486 | return rc; |
| 2487 | } |
| 2488 | |
| 2489 | /* The FW would like the default RXQ to be created first */ |
| 2490 | rxo = default_rxo(adapter); |
| 2491 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, rx_frag_size, |
| 2492 | adapter->if_handle, false, &rxo->rss_id); |
| 2493 | if (rc) |
| 2494 | return rc; |
| 2495 | |
| 2496 | for_all_rss_queues(adapter, rxo, i) { |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2497 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2498 | rx_frag_size, adapter->if_handle, |
| 2499 | true, &rxo->rss_id); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2500 | if (rc) |
| 2501 | return rc; |
| 2502 | } |
| 2503 | |
| 2504 | if (be_multi_rxq(adapter)) { |
Padmanabh Ratnakar | e9008ee | 2011-11-25 05:48:53 +0000 | [diff] [blame] | 2505 | for (j = 0; j < 128; j += adapter->num_rx_qs - 1) { |
| 2506 | for_all_rss_queues(adapter, rxo, i) { |
| 2507 | if ((j + i) >= 128) |
| 2508 | break; |
| 2509 | rsstable[j + i] = rxo->rss_id; |
| 2510 | } |
| 2511 | } |
| 2512 | rc = be_cmd_rss_config(adapter, rsstable, 128); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2513 | if (rc) |
| 2514 | return rc; |
| 2515 | } |
| 2516 | |
| 2517 | /* First time posting */ |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2518 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2519 | be_post_rx_frags(rxo, GFP_KERNEL); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2520 | return 0; |
| 2521 | } |
| 2522 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2523 | static int be_open(struct net_device *netdev) |
| 2524 | { |
| 2525 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2526 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2527 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2528 | struct be_tx_obj *txo; |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 2529 | u8 link_status; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2530 | int status, i; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2531 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2532 | status = be_rx_qs_create(adapter); |
Sathya Perla | 482c9e7 | 2011-06-29 23:33:17 +0000 | [diff] [blame] | 2533 | if (status) |
| 2534 | goto err; |
| 2535 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2536 | be_irq_register(adapter); |
| 2537 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2538 | for_all_rx_queues(adapter, rxo, i) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2539 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2540 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2541 | for_all_tx_queues(adapter, txo, i) |
| 2542 | be_cq_notify(adapter, txo->cq.id, true, 0); |
| 2543 | |
Sathya Perla | 7a1e9b2 | 2010-02-17 01:35:11 +0000 | [diff] [blame] | 2544 | be_async_mcc_enable(adapter); |
| 2545 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2546 | for_all_evt_queues(adapter, eqo, i) { |
| 2547 | napi_enable(&eqo->napi); |
| 2548 | be_eq_notify(adapter, eqo->q.id, true, false, 0); |
| 2549 | } |
| 2550 | |
Sathya Perla | 323ff71 | 2012-09-28 04:39:43 +0000 | [diff] [blame] | 2551 | status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); |
Ajit Khaparde | b236916a | 2011-12-30 12:15:40 +0000 | [diff] [blame] | 2552 | if (!status) |
| 2553 | be_link_status_update(adapter, link_status); |
| 2554 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 2555 | be_roce_dev_open(adapter); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2556 | return 0; |
| 2557 | err: |
| 2558 | be_close(adapter->netdev); |
| 2559 | return -EIO; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2560 | } |
| 2561 | |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2562 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
| 2563 | { |
| 2564 | struct be_dma_mem cmd; |
| 2565 | int status = 0; |
| 2566 | u8 mac[ETH_ALEN]; |
| 2567 | |
| 2568 | memset(mac, 0, ETH_ALEN); |
| 2569 | |
| 2570 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2571 | cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 2572 | GFP_KERNEL | __GFP_ZERO); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2573 | if (cmd.va == NULL) |
| 2574 | return -1; |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2575 | |
| 2576 | if (enable) { |
| 2577 | status = pci_write_config_dword(adapter->pdev, |
| 2578 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); |
| 2579 | if (status) { |
| 2580 | dev_err(&adapter->pdev->dev, |
Frans Pop | 2381a55 | 2010-03-24 07:57:36 +0000 | [diff] [blame] | 2581 | "Could not enable Wake-on-lan\n"); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2582 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
| 2583 | cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2584 | return status; |
| 2585 | } |
| 2586 | status = be_cmd_enable_magic_wol(adapter, |
| 2587 | adapter->netdev->dev_addr, &cmd); |
| 2588 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); |
| 2589 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); |
| 2590 | } else { |
| 2591 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); |
| 2592 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); |
| 2593 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); |
| 2594 | } |
| 2595 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2596 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2597 | return status; |
| 2598 | } |
| 2599 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2600 | /* |
| 2601 | * Generate a seed MAC address from the PF MAC Address using jhash. |
| 2602 | * MAC Address for VFs are assigned incrementally starting from the seed. |
| 2603 | * These addresses are programmed in the ASIC by the PF and the VF driver |
| 2604 | * queries for the MAC address during its probe. |
| 2605 | */ |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2606 | static int be_vf_eth_addr_config(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2607 | { |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2608 | u32 vf; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2609 | int status = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2610 | u8 mac[ETH_ALEN]; |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2611 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2612 | |
| 2613 | be_vf_eth_addr_generate(adapter, mac); |
| 2614 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2615 | for_all_vfs(adapter, vf_cfg, vf) { |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2616 | if (lancer_chip(adapter)) { |
| 2617 | status = be_cmd_set_mac_list(adapter, mac, 1, vf + 1); |
| 2618 | } else { |
| 2619 | status = be_cmd_pmac_add(adapter, mac, |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2620 | vf_cfg->if_handle, |
| 2621 | &vf_cfg->pmac_id, vf + 1); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2622 | } |
| 2623 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2624 | if (status) |
| 2625 | dev_err(&adapter->pdev->dev, |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2626 | "Mac address assignment failed for VF %d\n", vf); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2627 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2628 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2629 | |
| 2630 | mac[5] += 1; |
| 2631 | } |
| 2632 | return status; |
| 2633 | } |
| 2634 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2635 | static int be_vfs_mac_query(struct be_adapter *adapter) |
| 2636 | { |
| 2637 | int status, vf; |
| 2638 | u8 mac[ETH_ALEN]; |
| 2639 | struct be_vf_cfg *vf_cfg; |
| 2640 | bool active; |
| 2641 | |
| 2642 | for_all_vfs(adapter, vf_cfg, vf) { |
| 2643 | be_cmd_get_mac_from_list(adapter, mac, &active, |
| 2644 | &vf_cfg->pmac_id, 0); |
| 2645 | |
| 2646 | status = be_cmd_mac_addr_query(adapter, mac, false, |
| 2647 | vf_cfg->if_handle, 0); |
| 2648 | if (status) |
| 2649 | return status; |
| 2650 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
| 2651 | } |
| 2652 | return 0; |
| 2653 | } |
| 2654 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2655 | static void be_vf_clear(struct be_adapter *adapter) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2656 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2657 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2658 | u32 vf; |
| 2659 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2660 | if (be_find_vfs(adapter, ASSIGNED)) { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2661 | dev_warn(&adapter->pdev->dev, |
| 2662 | "VFs are assigned to VMs: not disabling VFs\n"); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2663 | goto done; |
| 2664 | } |
| 2665 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2666 | for_all_vfs(adapter, vf_cfg, vf) { |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2667 | if (lancer_chip(adapter)) |
| 2668 | be_cmd_set_mac_list(adapter, NULL, 0, vf + 1); |
| 2669 | else |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2670 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
| 2671 | vf_cfg->pmac_id, vf + 1); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2672 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2673 | be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); |
| 2674 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2675 | pci_disable_sriov(adapter->pdev); |
| 2676 | done: |
| 2677 | kfree(adapter->vf_cfg); |
| 2678 | adapter->num_vfs = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2679 | } |
| 2680 | |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2681 | static int be_clear(struct be_adapter *adapter) |
| 2682 | { |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 2683 | int i = 1; |
| 2684 | |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 2685 | if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { |
| 2686 | cancel_delayed_work_sync(&adapter->work); |
| 2687 | adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; |
| 2688 | } |
| 2689 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2690 | if (sriov_enabled(adapter)) |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2691 | be_vf_clear(adapter); |
| 2692 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 2693 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) |
| 2694 | be_cmd_pmac_del(adapter, adapter->if_handle, |
| 2695 | adapter->pmac_id[i], 0); |
| 2696 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2697 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2698 | |
| 2699 | be_mcc_queues_destroy(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2700 | be_rx_cqs_destroy(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2701 | be_tx_queues_destroy(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2702 | be_evt_queues_destroy(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2703 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2704 | kfree(adapter->pmac_id); |
| 2705 | adapter->pmac_id = NULL; |
| 2706 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2707 | be_msix_disable(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2708 | return 0; |
| 2709 | } |
| 2710 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2711 | static int be_vfs_if_create(struct be_adapter *adapter) |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2712 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2713 | struct be_vf_cfg *vf_cfg; |
| 2714 | u32 cap_flags, en_flags, vf; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2715 | int status; |
| 2716 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2717 | cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 2718 | BE_IF_FLAGS_MULTICAST; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2719 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2720 | for_all_vfs(adapter, vf_cfg, vf) { |
| 2721 | if (!BE3_chip(adapter)) |
| 2722 | be_cmd_get_profile_config(adapter, &cap_flags, vf + 1); |
| 2723 | |
| 2724 | /* If a FW profile exists, then cap_flags are updated */ |
| 2725 | en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | |
| 2726 | BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_MULTICAST); |
| 2727 | status = be_cmd_if_create(adapter, cap_flags, en_flags, |
| 2728 | &vf_cfg->if_handle, vf + 1); |
| 2729 | if (status) |
| 2730 | goto err; |
| 2731 | } |
| 2732 | err: |
| 2733 | return status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2734 | } |
| 2735 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2736 | static int be_vf_setup_init(struct be_adapter *adapter) |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2737 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2738 | struct be_vf_cfg *vf_cfg; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2739 | int vf; |
| 2740 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2741 | adapter->vf_cfg = kcalloc(adapter->num_vfs, sizeof(*vf_cfg), |
| 2742 | GFP_KERNEL); |
| 2743 | if (!adapter->vf_cfg) |
| 2744 | return -ENOMEM; |
| 2745 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2746 | for_all_vfs(adapter, vf_cfg, vf) { |
| 2747 | vf_cfg->if_handle = -1; |
| 2748 | vf_cfg->pmac_id = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2749 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2750 | return 0; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2751 | } |
| 2752 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2753 | static int be_vf_setup(struct be_adapter *adapter) |
| 2754 | { |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2755 | struct be_vf_cfg *vf_cfg; |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 2756 | u16 def_vlan, lnk_speed; |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2757 | int status, old_vfs, vf; |
| 2758 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2759 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2760 | old_vfs = be_find_vfs(adapter, ENABLED); |
| 2761 | if (old_vfs) { |
| 2762 | dev_info(dev, "%d VFs are already enabled\n", old_vfs); |
| 2763 | if (old_vfs != num_vfs) |
| 2764 | dev_warn(dev, "Ignoring num_vfs=%d setting\n", num_vfs); |
| 2765 | adapter->num_vfs = old_vfs; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2766 | } else { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2767 | if (num_vfs > adapter->dev_num_vfs) |
| 2768 | dev_info(dev, "Device supports %d VFs and not %d\n", |
| 2769 | adapter->dev_num_vfs, num_vfs); |
| 2770 | adapter->num_vfs = min_t(u16, num_vfs, adapter->dev_num_vfs); |
| 2771 | |
| 2772 | status = pci_enable_sriov(adapter->pdev, num_vfs); |
| 2773 | if (status) { |
| 2774 | dev_err(dev, "SRIOV enable failed\n"); |
| 2775 | adapter->num_vfs = 0; |
| 2776 | return 0; |
| 2777 | } |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2778 | } |
| 2779 | |
| 2780 | status = be_vf_setup_init(adapter); |
| 2781 | if (status) |
| 2782 | goto err; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2783 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2784 | if (old_vfs) { |
| 2785 | for_all_vfs(adapter, vf_cfg, vf) { |
| 2786 | status = be_cmd_get_if_id(adapter, vf_cfg, vf); |
| 2787 | if (status) |
| 2788 | goto err; |
| 2789 | } |
| 2790 | } else { |
| 2791 | status = be_vfs_if_create(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2792 | if (status) |
| 2793 | goto err; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2794 | } |
| 2795 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2796 | if (old_vfs) { |
| 2797 | status = be_vfs_mac_query(adapter); |
| 2798 | if (status) |
| 2799 | goto err; |
| 2800 | } else { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2801 | status = be_vf_eth_addr_config(adapter); |
| 2802 | if (status) |
| 2803 | goto err; |
| 2804 | } |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2805 | |
Sathya Perla | 11ac75e | 2011-12-13 00:58:50 +0000 | [diff] [blame] | 2806 | for_all_vfs(adapter, vf_cfg, vf) { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2807 | /* BE3 FW, by default, caps VF TX-rate to 100mbps. |
| 2808 | * Allow full available bandwidth |
| 2809 | */ |
| 2810 | if (BE3_chip(adapter) && !old_vfs) |
| 2811 | be_cmd_set_qos(adapter, 1000, vf+1); |
| 2812 | |
| 2813 | status = be_cmd_link_status_query(adapter, &lnk_speed, |
| 2814 | NULL, vf + 1); |
| 2815 | if (!status) |
| 2816 | vf_cfg->tx_rate = lnk_speed; |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 2817 | |
| 2818 | status = be_cmd_get_hsw_config(adapter, &def_vlan, |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2819 | vf + 1, vf_cfg->if_handle); |
Ajit Khaparde | f1f3ee1 | 2012-03-18 06:23:41 +0000 | [diff] [blame] | 2820 | if (status) |
| 2821 | goto err; |
| 2822 | vf_cfg->def_vid = def_vlan; |
Padmanabh Ratnakar | dcf7ebb | 2012-10-20 06:03:49 +0000 | [diff] [blame] | 2823 | |
| 2824 | be_cmd_enable_vf(adapter, vf + 1); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2825 | } |
| 2826 | return 0; |
| 2827 | err: |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2828 | dev_err(dev, "VF setup failed\n"); |
| 2829 | be_vf_clear(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2830 | return status; |
| 2831 | } |
| 2832 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2833 | static void be_setup_init(struct be_adapter *adapter) |
| 2834 | { |
| 2835 | adapter->vlan_prio_bmap = 0xff; |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 2836 | adapter->phy.link_speed = -1; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2837 | adapter->if_handle = -1; |
| 2838 | adapter->be3_native = false; |
| 2839 | adapter->promiscuous = false; |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 2840 | if (be_physfn(adapter)) |
| 2841 | adapter->cmd_privileges = MAX_PRIVILEGES; |
| 2842 | else |
| 2843 | adapter->cmd_privileges = MIN_PRIVILEGES; |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2844 | } |
| 2845 | |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2846 | static int be_get_mac_addr(struct be_adapter *adapter, u8 *mac, u32 if_handle, |
| 2847 | bool *active_mac, u32 *pmac_id) |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2848 | { |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2849 | int status = 0; |
Padmanabh Ratnakar | e5e1ee8 | 2012-02-03 09:50:17 +0000 | [diff] [blame] | 2850 | |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2851 | if (!is_zero_ether_addr(adapter->netdev->perm_addr)) { |
| 2852 | memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); |
| 2853 | if (!lancer_chip(adapter) && !be_physfn(adapter)) |
| 2854 | *active_mac = true; |
| 2855 | else |
| 2856 | *active_mac = false; |
Padmanabh Ratnakar | e5e1ee8 | 2012-02-03 09:50:17 +0000 | [diff] [blame] | 2857 | |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2858 | return status; |
Padmanabh Ratnakar | e5e1ee8 | 2012-02-03 09:50:17 +0000 | [diff] [blame] | 2859 | } |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2860 | |
| 2861 | if (lancer_chip(adapter)) { |
| 2862 | status = be_cmd_get_mac_from_list(adapter, mac, |
| 2863 | active_mac, pmac_id, 0); |
| 2864 | if (*active_mac) { |
Sathya Perla | 5ee4979 | 2012-09-28 04:39:41 +0000 | [diff] [blame] | 2865 | status = be_cmd_mac_addr_query(adapter, mac, false, |
| 2866 | if_handle, *pmac_id); |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2867 | } |
| 2868 | } else if (be_physfn(adapter)) { |
| 2869 | /* For BE3, for PF get permanent MAC */ |
Sathya Perla | 5ee4979 | 2012-09-28 04:39:41 +0000 | [diff] [blame] | 2870 | status = be_cmd_mac_addr_query(adapter, mac, true, 0, 0); |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2871 | *active_mac = false; |
| 2872 | } else { |
| 2873 | /* For BE3, for VF get soft MAC assigned by PF*/ |
Sathya Perla | 5ee4979 | 2012-09-28 04:39:41 +0000 | [diff] [blame] | 2874 | status = be_cmd_mac_addr_query(adapter, mac, false, |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2875 | if_handle, 0); |
| 2876 | *active_mac = true; |
| 2877 | } |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 2878 | return status; |
| 2879 | } |
| 2880 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2881 | static void be_get_resources(struct be_adapter *adapter) |
| 2882 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2883 | u16 dev_num_vfs; |
| 2884 | int pos, status; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2885 | bool profile_present = false; |
| 2886 | |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2887 | if (!BEx_chip(adapter)) { |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2888 | status = be_cmd_get_func_config(adapter); |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2889 | if (!status) |
| 2890 | profile_present = true; |
| 2891 | } |
| 2892 | |
| 2893 | if (profile_present) { |
| 2894 | /* Sanity fixes for Lancer */ |
| 2895 | adapter->max_pmac_cnt = min_t(u16, adapter->max_pmac_cnt, |
| 2896 | BE_UC_PMAC_COUNT); |
| 2897 | adapter->max_vlans = min_t(u16, adapter->max_vlans, |
| 2898 | BE_NUM_VLANS_SUPPORTED); |
| 2899 | adapter->max_mcast_mac = min_t(u16, adapter->max_mcast_mac, |
| 2900 | BE_MAX_MC); |
| 2901 | adapter->max_tx_queues = min_t(u16, adapter->max_tx_queues, |
| 2902 | MAX_TX_QS); |
| 2903 | adapter->max_rss_queues = min_t(u16, adapter->max_rss_queues, |
| 2904 | BE3_MAX_RSS_QS); |
| 2905 | adapter->max_event_queues = min_t(u16, |
| 2906 | adapter->max_event_queues, |
| 2907 | BE3_MAX_RSS_QS); |
| 2908 | |
| 2909 | if (adapter->max_rss_queues && |
| 2910 | adapter->max_rss_queues == adapter->max_rx_queues) |
| 2911 | adapter->max_rss_queues -= 1; |
| 2912 | |
| 2913 | if (adapter->max_event_queues < adapter->max_rss_queues) |
| 2914 | adapter->max_rss_queues = adapter->max_event_queues; |
| 2915 | |
| 2916 | } else { |
| 2917 | if (be_physfn(adapter)) |
| 2918 | adapter->max_pmac_cnt = BE_UC_PMAC_COUNT; |
| 2919 | else |
| 2920 | adapter->max_pmac_cnt = BE_VF_UC_PMAC_COUNT; |
| 2921 | |
| 2922 | if (adapter->function_mode & FLEX10_MODE) |
| 2923 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/8; |
| 2924 | else |
| 2925 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; |
| 2926 | |
| 2927 | adapter->max_mcast_mac = BE_MAX_MC; |
| 2928 | adapter->max_tx_queues = MAX_TX_QS; |
| 2929 | adapter->max_rss_queues = (adapter->be3_native) ? |
| 2930 | BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; |
| 2931 | adapter->max_event_queues = BE3_MAX_RSS_QS; |
| 2932 | |
| 2933 | adapter->if_cap_flags = BE_IF_FLAGS_UNTAGGED | |
| 2934 | BE_IF_FLAGS_BROADCAST | |
| 2935 | BE_IF_FLAGS_MULTICAST | |
| 2936 | BE_IF_FLAGS_PASS_L3L4_ERRORS | |
| 2937 | BE_IF_FLAGS_MCAST_PROMISCUOUS | |
| 2938 | BE_IF_FLAGS_VLAN_PROMISCUOUS | |
| 2939 | BE_IF_FLAGS_PROMISCUOUS; |
| 2940 | |
| 2941 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) |
| 2942 | adapter->if_cap_flags |= BE_IF_FLAGS_RSS; |
| 2943 | } |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2944 | |
| 2945 | pos = pci_find_ext_capability(adapter->pdev, PCI_EXT_CAP_ID_SRIOV); |
| 2946 | if (pos) { |
| 2947 | pci_read_config_word(adapter->pdev, pos + PCI_SRIOV_TOTAL_VF, |
| 2948 | &dev_num_vfs); |
| 2949 | if (BE3_chip(adapter)) |
| 2950 | dev_num_vfs = min_t(u16, dev_num_vfs, MAX_VFS); |
| 2951 | adapter->dev_num_vfs = dev_num_vfs; |
| 2952 | } |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2953 | } |
| 2954 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2955 | /* Routine to query per function resource limits */ |
| 2956 | static int be_get_config(struct be_adapter *adapter) |
| 2957 | { |
Sathya Perla | 4c87661 | 2013-02-03 20:30:11 +0000 | [diff] [blame] | 2958 | int status; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2959 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2960 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
| 2961 | &adapter->function_mode, |
| 2962 | &adapter->function_caps); |
| 2963 | if (status) |
| 2964 | goto err; |
| 2965 | |
| 2966 | be_get_resources(adapter); |
| 2967 | |
| 2968 | /* primary mac needs 1 pmac entry */ |
| 2969 | adapter->pmac_id = kcalloc(adapter->max_pmac_cnt + 1, |
| 2970 | sizeof(u32), GFP_KERNEL); |
| 2971 | if (!adapter->pmac_id) { |
| 2972 | status = -ENOMEM; |
| 2973 | goto err; |
| 2974 | } |
| 2975 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2976 | err: |
| 2977 | return status; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2978 | } |
| 2979 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2980 | static int be_setup(struct be_adapter *adapter) |
| 2981 | { |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2982 | struct device *dev = &adapter->pdev->dev; |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2983 | u32 en_flags; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 2984 | u32 tx_fc, rx_fc; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2985 | int status; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2986 | u8 mac[ETH_ALEN]; |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 2987 | bool active_mac; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2988 | |
Sathya Perla | 3012803 | 2011-11-10 19:17:57 +0000 | [diff] [blame] | 2989 | be_setup_init(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 2990 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2991 | if (!lancer_chip(adapter)) |
| 2992 | be_cmd_req_native_mode(adapter); |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 2993 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 2994 | status = be_get_config(adapter); |
| 2995 | if (status) |
| 2996 | goto err; |
Sathya Perla | 2dc1deb | 2011-07-19 19:52:33 +0000 | [diff] [blame] | 2997 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 2998 | be_msix_enable(adapter); |
| 2999 | |
| 3000 | status = be_evt_queues_create(adapter); |
| 3001 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3002 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3003 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3004 | status = be_tx_cqs_create(adapter); |
| 3005 | if (status) |
| 3006 | goto err; |
| 3007 | |
| 3008 | status = be_rx_cqs_create(adapter); |
| 3009 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3010 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3011 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3012 | status = be_mcc_queues_create(adapter); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3013 | if (status) |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3014 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3015 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3016 | be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); |
| 3017 | /* In UMC mode FW does not return right privileges. |
| 3018 | * Override with correct privilege equivalent to PF. |
| 3019 | */ |
| 3020 | if (be_is_mc(adapter)) |
| 3021 | adapter->cmd_privileges = MAX_PRIVILEGES; |
| 3022 | |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3023 | en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
| 3024 | BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS; |
Padmanabh Ratnakar | 5d5adb9 | 2011-11-16 02:03:32 +0000 | [diff] [blame] | 3025 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3026 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3027 | en_flags |= BE_IF_FLAGS_RSS; |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3028 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3029 | en_flags = en_flags & adapter->if_cap_flags; |
Padmanabh Ratnakar | 0b13fb4 | 2012-07-18 02:51:58 +0000 | [diff] [blame] | 3030 | |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3031 | status = be_cmd_if_create(adapter, adapter->if_cap_flags, en_flags, |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3032 | &adapter->if_handle, 0); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3033 | if (status != 0) |
| 3034 | goto err; |
| 3035 | |
Padmanabh Ratnakar | 1578e77 | 2012-06-07 04:37:08 +0000 | [diff] [blame] | 3036 | memset(mac, 0, ETH_ALEN); |
| 3037 | active_mac = false; |
| 3038 | status = be_get_mac_addr(adapter, mac, adapter->if_handle, |
| 3039 | &active_mac, &adapter->pmac_id[0]); |
| 3040 | if (status != 0) |
| 3041 | goto err; |
| 3042 | |
| 3043 | if (!active_mac) { |
| 3044 | status = be_cmd_pmac_add(adapter, mac, adapter->if_handle, |
| 3045 | &adapter->pmac_id[0], 0); |
| 3046 | if (status != 0) |
| 3047 | goto err; |
| 3048 | } |
| 3049 | |
| 3050 | if (is_zero_ether_addr(adapter->netdev->dev_addr)) { |
| 3051 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); |
| 3052 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3053 | } |
Ajit Khaparde | 0dffc83 | 2009-11-29 17:57:46 +0000 | [diff] [blame] | 3054 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3055 | status = be_tx_qs_create(adapter); |
| 3056 | if (status) |
| 3057 | goto err; |
| 3058 | |
Sathya Perla | 04b7117 | 2011-09-27 13:30:27 -0400 | [diff] [blame] | 3059 | be_cmd_get_fw_ver(adapter, adapter->fw_ver, NULL); |
Somnath Kotur | 5a56eb1 | 2011-09-30 07:24:28 +0000 | [diff] [blame] | 3060 | |
Sathya Perla | 1d1e9a4 | 2012-06-05 19:37:17 +0000 | [diff] [blame] | 3061 | if (adapter->vlans_added) |
Sathya Perla | 10329df | 2012-06-05 19:37:18 +0000 | [diff] [blame] | 3062 | be_vid_config(adapter); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3063 | |
| 3064 | be_set_rx_mode(adapter->netdev); |
| 3065 | |
Ajit Khaparde | ddc3f5c | 2012-04-26 15:42:31 +0000 | [diff] [blame] | 3066 | be_cmd_get_flow_control(adapter, &tx_fc, &rx_fc); |
Padmanabh Ratnakar | 590c391 | 2011-11-25 05:47:26 +0000 | [diff] [blame] | 3067 | |
Ajit Khaparde | ddc3f5c | 2012-04-26 15:42:31 +0000 | [diff] [blame] | 3068 | if (rx_fc != adapter->rx_fc || tx_fc != adapter->tx_fc) |
| 3069 | be_cmd_set_flow_control(adapter, adapter->tx_fc, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3070 | adapter->rx_fc); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3071 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3072 | if (be_physfn(adapter) && num_vfs) { |
| 3073 | if (adapter->dev_num_vfs) |
| 3074 | be_vf_setup(adapter); |
| 3075 | else |
| 3076 | dev_warn(dev, "device doesn't support SRIOV\n"); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3077 | } |
| 3078 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3079 | status = be_cmd_get_phy_info(adapter); |
| 3080 | if (!status && be_pause_supported(adapter)) |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3081 | adapter->phy.fc_autoneg = 1; |
| 3082 | |
Sathya Perla | 191eb75 | 2012-02-23 18:50:13 +0000 | [diff] [blame] | 3083 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 3084 | adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 3085 | return 0; |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3086 | err: |
| 3087 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3088 | return status; |
| 3089 | } |
| 3090 | |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3091 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3092 | static void be_netpoll(struct net_device *netdev) |
| 3093 | { |
| 3094 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3095 | struct be_eq_obj *eqo; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3096 | int i; |
| 3097 | |
Sathya Perla | e49cc34 | 2012-11-27 19:50:02 +0000 | [diff] [blame] | 3098 | for_all_evt_queues(adapter, eqo, i) { |
| 3099 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
| 3100 | napi_schedule(&eqo->napi); |
| 3101 | } |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3102 | |
| 3103 | return; |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3104 | } |
| 3105 | #endif |
| 3106 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3107 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3108 | char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "}; |
| 3109 | |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3110 | static bool be_flash_redboot(struct be_adapter *adapter, |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3111 | const u8 *p, u32 img_start, int image_size, |
| 3112 | int hdr_size) |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3113 | { |
| 3114 | u32 crc_offset; |
| 3115 | u8 flashed_crc[4]; |
| 3116 | int status; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3117 | |
| 3118 | crc_offset = hdr_size + img_start + image_size - 4; |
| 3119 | |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3120 | p += crc_offset; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3121 | |
| 3122 | status = be_cmd_get_flash_crc(adapter, flashed_crc, |
Ajit Khaparde | f510fc6 | 2010-03-31 01:47:45 +0000 | [diff] [blame] | 3123 | (image_size - 4)); |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3124 | if (status) { |
| 3125 | dev_err(&adapter->pdev->dev, |
| 3126 | "could not get crc from flash, not flashing redboot\n"); |
| 3127 | return false; |
| 3128 | } |
| 3129 | |
| 3130 | /*update redboot only if crc does not match*/ |
| 3131 | if (!memcmp(flashed_crc, p, 4)) |
| 3132 | return false; |
| 3133 | else |
| 3134 | return true; |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 3135 | } |
| 3136 | |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3137 | static bool phy_flashing_required(struct be_adapter *adapter) |
| 3138 | { |
Ajit Khaparde | 42f11cf | 2012-04-21 18:53:22 +0000 | [diff] [blame] | 3139 | return (adapter->phy.phy_type == TN_8022 && |
| 3140 | adapter->phy.interface_type == PHY_TYPE_BASET_10GB); |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3141 | } |
| 3142 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3143 | static bool is_comp_in_ufi(struct be_adapter *adapter, |
| 3144 | struct flash_section_info *fsec, int type) |
| 3145 | { |
| 3146 | int i = 0, img_type = 0; |
| 3147 | struct flash_section_info_g2 *fsec_g2 = NULL; |
| 3148 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3149 | if (BE2_chip(adapter)) |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3150 | fsec_g2 = (struct flash_section_info_g2 *)fsec; |
| 3151 | |
| 3152 | for (i = 0; i < MAX_FLASH_COMP; i++) { |
| 3153 | if (fsec_g2) |
| 3154 | img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type); |
| 3155 | else |
| 3156 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); |
| 3157 | |
| 3158 | if (img_type == type) |
| 3159 | return true; |
| 3160 | } |
| 3161 | return false; |
| 3162 | |
| 3163 | } |
| 3164 | |
| 3165 | struct flash_section_info *get_fsec_info(struct be_adapter *adapter, |
| 3166 | int header_size, |
| 3167 | const struct firmware *fw) |
| 3168 | { |
| 3169 | struct flash_section_info *fsec = NULL; |
| 3170 | const u8 *p = fw->data; |
| 3171 | |
| 3172 | p += header_size; |
| 3173 | while (p < (fw->data + fw->size)) { |
| 3174 | fsec = (struct flash_section_info *)p; |
| 3175 | if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie))) |
| 3176 | return fsec; |
| 3177 | p += 32; |
| 3178 | } |
| 3179 | return NULL; |
| 3180 | } |
| 3181 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3182 | static int be_flash(struct be_adapter *adapter, const u8 *img, |
| 3183 | struct be_dma_mem *flash_cmd, int optype, int img_size) |
| 3184 | { |
| 3185 | u32 total_bytes = 0, flash_op, num_bytes = 0; |
| 3186 | int status = 0; |
| 3187 | struct be_cmd_write_flashrom *req = flash_cmd->va; |
| 3188 | |
| 3189 | total_bytes = img_size; |
| 3190 | while (total_bytes) { |
| 3191 | num_bytes = min_t(u32, 32*1024, total_bytes); |
| 3192 | |
| 3193 | total_bytes -= num_bytes; |
| 3194 | |
| 3195 | if (!total_bytes) { |
| 3196 | if (optype == OPTYPE_PHY_FW) |
| 3197 | flash_op = FLASHROM_OPER_PHY_FLASH; |
| 3198 | else |
| 3199 | flash_op = FLASHROM_OPER_FLASH; |
| 3200 | } else { |
| 3201 | if (optype == OPTYPE_PHY_FW) |
| 3202 | flash_op = FLASHROM_OPER_PHY_SAVE; |
| 3203 | else |
| 3204 | flash_op = FLASHROM_OPER_SAVE; |
| 3205 | } |
| 3206 | |
Padmanabh Ratnakar | be71644 | 2012-10-22 23:02:44 +0000 | [diff] [blame] | 3207 | memcpy(req->data_buf, img, num_bytes); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3208 | img += num_bytes; |
| 3209 | status = be_cmd_write_flashrom(adapter, flash_cmd, optype, |
| 3210 | flash_op, num_bytes); |
| 3211 | if (status) { |
| 3212 | if (status == ILLEGAL_IOCTL_REQ && |
| 3213 | optype == OPTYPE_PHY_FW) |
| 3214 | break; |
| 3215 | dev_err(&adapter->pdev->dev, |
| 3216 | "cmd to write to flash rom failed.\n"); |
| 3217 | return status; |
| 3218 | } |
| 3219 | } |
| 3220 | return 0; |
| 3221 | } |
| 3222 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3223 | /* For BE2 and BE3 */ |
| 3224 | static int be_flash_BEx(struct be_adapter *adapter, |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3225 | const struct firmware *fw, |
| 3226 | struct be_dma_mem *flash_cmd, |
| 3227 | int num_of_images) |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3228 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3229 | { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3230 | int status = 0, i, filehdr_size = 0; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3231 | int img_hdrs_size = (num_of_images * sizeof(struct image_hdr)); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3232 | const u8 *p = fw->data; |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 3233 | const struct flash_comp *pflashcomp; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3234 | int num_comp, redboot; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3235 | struct flash_section_info *fsec = NULL; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3236 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3237 | struct flash_comp gen3_flash_types[] = { |
| 3238 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, OPTYPE_ISCSI_ACTIVE, |
| 3239 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_iSCSI}, |
| 3240 | { FLASH_REDBOOT_START_g3, OPTYPE_REDBOOT, |
| 3241 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3, IMAGE_BOOT_CODE}, |
| 3242 | { FLASH_iSCSI_BIOS_START_g3, OPTYPE_BIOS, |
| 3243 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_ISCSI}, |
| 3244 | { FLASH_PXE_BIOS_START_g3, OPTYPE_PXE_BIOS, |
| 3245 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_PXE}, |
| 3246 | { FLASH_FCoE_BIOS_START_g3, OPTYPE_FCOE_BIOS, |
| 3247 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_FCoE}, |
| 3248 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, OPTYPE_ISCSI_BACKUP, |
| 3249 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 3250 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, OPTYPE_FCOE_FW_ACTIVE, |
| 3251 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_FCoE}, |
| 3252 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, OPTYPE_FCOE_FW_BACKUP, |
| 3253 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_FCoE}, |
| 3254 | { FLASH_NCSI_START_g3, OPTYPE_NCSI_FW, |
| 3255 | FLASH_NCSI_IMAGE_MAX_SIZE_g3, IMAGE_NCSI}, |
| 3256 | { FLASH_PHY_FW_START_g3, OPTYPE_PHY_FW, |
| 3257 | FLASH_PHY_FW_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_PHY} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3258 | }; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3259 | |
| 3260 | struct flash_comp gen2_flash_types[] = { |
| 3261 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, OPTYPE_ISCSI_ACTIVE, |
| 3262 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_iSCSI}, |
| 3263 | { FLASH_REDBOOT_START_g2, OPTYPE_REDBOOT, |
| 3264 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2, IMAGE_BOOT_CODE}, |
| 3265 | { FLASH_iSCSI_BIOS_START_g2, OPTYPE_BIOS, |
| 3266 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_ISCSI}, |
| 3267 | { FLASH_PXE_BIOS_START_g2, OPTYPE_PXE_BIOS, |
| 3268 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_PXE}, |
| 3269 | { FLASH_FCoE_BIOS_START_g2, OPTYPE_FCOE_BIOS, |
| 3270 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_FCoE}, |
| 3271 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, OPTYPE_ISCSI_BACKUP, |
| 3272 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_iSCSI}, |
| 3273 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, OPTYPE_FCOE_FW_ACTIVE, |
| 3274 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_FCoE}, |
| 3275 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, OPTYPE_FCOE_FW_BACKUP, |
| 3276 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_FCoE} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3277 | }; |
| 3278 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3279 | if (BE3_chip(adapter)) { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3280 | pflashcomp = gen3_flash_types; |
| 3281 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 3282 | num_comp = ARRAY_SIZE(gen3_flash_types); |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3283 | } else { |
| 3284 | pflashcomp = gen2_flash_types; |
| 3285 | filehdr_size = sizeof(struct flash_file_hdr_g2); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 3286 | num_comp = ARRAY_SIZE(gen2_flash_types); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3287 | } |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3288 | |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3289 | /* Get flash section info*/ |
| 3290 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 3291 | if (!fsec) { |
| 3292 | dev_err(&adapter->pdev->dev, |
| 3293 | "Invalid Cookie. UFI corrupted ?\n"); |
| 3294 | return -1; |
| 3295 | } |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 3296 | for (i = 0; i < num_comp; i++) { |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3297 | if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type)) |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 3298 | continue; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3299 | |
| 3300 | if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) && |
| 3301 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) |
| 3302 | continue; |
| 3303 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3304 | if (pflashcomp[i].optype == OPTYPE_PHY_FW && |
| 3305 | !phy_flashing_required(adapter)) |
| 3306 | continue; |
| 3307 | |
| 3308 | if (pflashcomp[i].optype == OPTYPE_REDBOOT) { |
| 3309 | redboot = be_flash_redboot(adapter, fw->data, |
| 3310 | pflashcomp[i].offset, pflashcomp[i].size, |
| 3311 | filehdr_size + img_hdrs_size); |
| 3312 | if (!redboot) |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3313 | continue; |
| 3314 | } |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3315 | |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3316 | p = fw->data; |
Padmanabh Ratnakar | c165541e | 2012-04-25 01:47:15 +0000 | [diff] [blame] | 3317 | p += filehdr_size + pflashcomp[i].offset + img_hdrs_size; |
Sathya Perla | 306f134 | 2011-08-02 19:57:45 +0000 | [diff] [blame] | 3318 | if (p + pflashcomp[i].size > fw->data + fw->size) |
| 3319 | return -1; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3320 | |
| 3321 | status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype, |
| 3322 | pflashcomp[i].size); |
| 3323 | if (status) { |
| 3324 | dev_err(&adapter->pdev->dev, |
| 3325 | "Flashing section type %d failed.\n", |
| 3326 | pflashcomp[i].img_type); |
| 3327 | return status; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3328 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3329 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3330 | return 0; |
| 3331 | } |
| 3332 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3333 | static int be_flash_skyhawk(struct be_adapter *adapter, |
| 3334 | const struct firmware *fw, |
| 3335 | struct be_dma_mem *flash_cmd, int num_of_images) |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3336 | { |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3337 | int status = 0, i, filehdr_size = 0; |
| 3338 | int img_offset, img_size, img_optype, redboot; |
| 3339 | int img_hdrs_size = num_of_images * sizeof(struct image_hdr); |
| 3340 | const u8 *p = fw->data; |
| 3341 | struct flash_section_info *fsec = NULL; |
| 3342 | |
| 3343 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
| 3344 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); |
| 3345 | if (!fsec) { |
| 3346 | dev_err(&adapter->pdev->dev, |
| 3347 | "Invalid Cookie. UFI corrupted ?\n"); |
| 3348 | return -1; |
| 3349 | } |
| 3350 | |
| 3351 | for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) { |
| 3352 | img_offset = le32_to_cpu(fsec->fsec_entry[i].offset); |
| 3353 | img_size = le32_to_cpu(fsec->fsec_entry[i].pad_size); |
| 3354 | |
| 3355 | switch (le32_to_cpu(fsec->fsec_entry[i].type)) { |
| 3356 | case IMAGE_FIRMWARE_iSCSI: |
| 3357 | img_optype = OPTYPE_ISCSI_ACTIVE; |
| 3358 | break; |
| 3359 | case IMAGE_BOOT_CODE: |
| 3360 | img_optype = OPTYPE_REDBOOT; |
| 3361 | break; |
| 3362 | case IMAGE_OPTION_ROM_ISCSI: |
| 3363 | img_optype = OPTYPE_BIOS; |
| 3364 | break; |
| 3365 | case IMAGE_OPTION_ROM_PXE: |
| 3366 | img_optype = OPTYPE_PXE_BIOS; |
| 3367 | break; |
| 3368 | case IMAGE_OPTION_ROM_FCoE: |
| 3369 | img_optype = OPTYPE_FCOE_BIOS; |
| 3370 | break; |
| 3371 | case IMAGE_FIRMWARE_BACKUP_iSCSI: |
| 3372 | img_optype = OPTYPE_ISCSI_BACKUP; |
| 3373 | break; |
| 3374 | case IMAGE_NCSI: |
| 3375 | img_optype = OPTYPE_NCSI_FW; |
| 3376 | break; |
| 3377 | default: |
| 3378 | continue; |
| 3379 | } |
| 3380 | |
| 3381 | if (img_optype == OPTYPE_REDBOOT) { |
| 3382 | redboot = be_flash_redboot(adapter, fw->data, |
| 3383 | img_offset, img_size, |
| 3384 | filehdr_size + img_hdrs_size); |
| 3385 | if (!redboot) |
| 3386 | continue; |
| 3387 | } |
| 3388 | |
| 3389 | p = fw->data; |
| 3390 | p += filehdr_size + img_offset + img_hdrs_size; |
| 3391 | if (p + img_size > fw->data + fw->size) |
| 3392 | return -1; |
| 3393 | |
| 3394 | status = be_flash(adapter, p, flash_cmd, img_optype, img_size); |
| 3395 | if (status) { |
| 3396 | dev_err(&adapter->pdev->dev, |
| 3397 | "Flashing section type %d failed.\n", |
| 3398 | fsec->fsec_entry[i].type); |
| 3399 | return status; |
| 3400 | } |
| 3401 | } |
| 3402 | return 0; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3403 | } |
| 3404 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3405 | static int lancer_wait_idle(struct be_adapter *adapter) |
| 3406 | { |
| 3407 | #define SLIPORT_IDLE_TIMEOUT 30 |
| 3408 | u32 reg_val; |
| 3409 | int status = 0, i; |
| 3410 | |
| 3411 | for (i = 0; i < SLIPORT_IDLE_TIMEOUT; i++) { |
| 3412 | reg_val = ioread32(adapter->db + PHYSDEV_CONTROL_OFFSET); |
| 3413 | if ((reg_val & PHYSDEV_CONTROL_INP_MASK) == 0) |
| 3414 | break; |
| 3415 | |
| 3416 | ssleep(1); |
| 3417 | } |
| 3418 | |
| 3419 | if (i == SLIPORT_IDLE_TIMEOUT) |
| 3420 | status = -1; |
| 3421 | |
| 3422 | return status; |
| 3423 | } |
| 3424 | |
| 3425 | static int lancer_fw_reset(struct be_adapter *adapter) |
| 3426 | { |
| 3427 | int status = 0; |
| 3428 | |
| 3429 | status = lancer_wait_idle(adapter); |
| 3430 | if (status) |
| 3431 | return status; |
| 3432 | |
| 3433 | iowrite32(PHYSDEV_CONTROL_FW_RESET_MASK, adapter->db + |
| 3434 | PHYSDEV_CONTROL_OFFSET); |
| 3435 | |
| 3436 | return status; |
| 3437 | } |
| 3438 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3439 | static int lancer_fw_download(struct be_adapter *adapter, |
| 3440 | const struct firmware *fw) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3441 | { |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3442 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) |
| 3443 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" |
| 3444 | struct be_dma_mem flash_cmd; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3445 | const u8 *data_ptr = NULL; |
| 3446 | u8 *dest_image_ptr = NULL; |
| 3447 | size_t image_size = 0; |
| 3448 | u32 chunk_size = 0; |
| 3449 | u32 data_written = 0; |
| 3450 | u32 offset = 0; |
| 3451 | int status = 0; |
| 3452 | u8 add_status = 0; |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3453 | u8 change_status; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3454 | |
| 3455 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { |
| 3456 | dev_err(&adapter->pdev->dev, |
| 3457 | "FW Image not properly aligned. " |
| 3458 | "Length must be 4 byte aligned.\n"); |
| 3459 | status = -EINVAL; |
| 3460 | goto lancer_fw_exit; |
| 3461 | } |
| 3462 | |
| 3463 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) |
| 3464 | + LANCER_FW_DOWNLOAD_CHUNK; |
| 3465 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
Joe Perches | d0320f7 | 2013-03-14 13:07:21 +0000 | [diff] [blame] | 3466 | &flash_cmd.dma, GFP_KERNEL); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3467 | if (!flash_cmd.va) { |
| 3468 | status = -ENOMEM; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3469 | goto lancer_fw_exit; |
| 3470 | } |
| 3471 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3472 | dest_image_ptr = flash_cmd.va + |
| 3473 | sizeof(struct lancer_cmd_req_write_object); |
| 3474 | image_size = fw->size; |
| 3475 | data_ptr = fw->data; |
| 3476 | |
| 3477 | while (image_size) { |
| 3478 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); |
| 3479 | |
| 3480 | /* Copy the image chunk content. */ |
| 3481 | memcpy(dest_image_ptr, data_ptr, chunk_size); |
| 3482 | |
| 3483 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3484 | chunk_size, offset, |
| 3485 | LANCER_FW_DOWNLOAD_LOCATION, |
| 3486 | &data_written, &change_status, |
| 3487 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3488 | if (status) |
| 3489 | break; |
| 3490 | |
| 3491 | offset += data_written; |
| 3492 | data_ptr += data_written; |
| 3493 | image_size -= data_written; |
| 3494 | } |
| 3495 | |
| 3496 | if (!status) { |
| 3497 | /* Commit the FW written */ |
| 3498 | status = lancer_cmd_write_object(adapter, &flash_cmd, |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3499 | 0, offset, |
| 3500 | LANCER_FW_DOWNLOAD_LOCATION, |
| 3501 | &data_written, &change_status, |
| 3502 | &add_status); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3503 | } |
| 3504 | |
| 3505 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
| 3506 | flash_cmd.dma); |
| 3507 | if (status) { |
| 3508 | dev_err(&adapter->pdev->dev, |
| 3509 | "Firmware load error. " |
| 3510 | "Status code: 0x%x Additional Status: 0x%x\n", |
| 3511 | status, add_status); |
| 3512 | goto lancer_fw_exit; |
| 3513 | } |
| 3514 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3515 | if (change_status == LANCER_FW_RESET_NEEDED) { |
| 3516 | status = lancer_fw_reset(adapter); |
| 3517 | if (status) { |
| 3518 | dev_err(&adapter->pdev->dev, |
| 3519 | "Adapter busy for FW reset.\n" |
| 3520 | "New FW will not be active.\n"); |
| 3521 | goto lancer_fw_exit; |
| 3522 | } |
| 3523 | } else if (change_status != LANCER_NO_RESET_NEEDED) { |
| 3524 | dev_err(&adapter->pdev->dev, |
| 3525 | "System reboot required for new FW" |
| 3526 | " to be active\n"); |
| 3527 | } |
| 3528 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3529 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
| 3530 | lancer_fw_exit: |
| 3531 | return status; |
| 3532 | } |
| 3533 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3534 | #define UFI_TYPE2 2 |
| 3535 | #define UFI_TYPE3 3 |
| 3536 | #define UFI_TYPE4 4 |
| 3537 | static int be_get_ufi_type(struct be_adapter *adapter, |
| 3538 | struct flash_file_hdr_g2 *fhdr) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3539 | { |
| 3540 | if (fhdr == NULL) |
| 3541 | goto be_get_ufi_exit; |
| 3542 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3543 | if (skyhawk_chip(adapter) && fhdr->build[0] == '4') |
| 3544 | return UFI_TYPE4; |
| 3545 | else if (BE3_chip(adapter) && fhdr->build[0] == '3') |
| 3546 | return UFI_TYPE3; |
| 3547 | else if (BE2_chip(adapter) && fhdr->build[0] == '2') |
| 3548 | return UFI_TYPE2; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3549 | |
| 3550 | be_get_ufi_exit: |
| 3551 | dev_err(&adapter->pdev->dev, |
| 3552 | "UFI and Interface are not compatible for flashing\n"); |
| 3553 | return -1; |
| 3554 | } |
| 3555 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3556 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) |
| 3557 | { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3558 | struct flash_file_hdr_g2 *fhdr; |
| 3559 | struct flash_file_hdr_g3 *fhdr3; |
| 3560 | struct image_hdr *img_hdr_ptr = NULL; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3561 | struct be_dma_mem flash_cmd; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3562 | const u8 *p; |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3563 | int status = 0, i = 0, num_imgs = 0, ufi_type = 0; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3564 | |
Padmanabh Ratnakar | be71644 | 2012-10-22 23:02:44 +0000 | [diff] [blame] | 3565 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3566 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
| 3567 | &flash_cmd.dma, GFP_KERNEL); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3568 | if (!flash_cmd.va) { |
| 3569 | status = -ENOMEM; |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3570 | goto be_fw_exit; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3571 | } |
| 3572 | |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3573 | p = fw->data; |
| 3574 | fhdr = (struct flash_file_hdr_g2 *)p; |
| 3575 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3576 | ufi_type = be_get_ufi_type(adapter, fhdr); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3577 | |
| 3578 | fhdr3 = (struct flash_file_hdr_g3 *)fw->data; |
| 3579 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
| 3580 | for (i = 0; i < num_imgs; i++) { |
| 3581 | img_hdr_ptr = (struct image_hdr *)(fw->data + |
| 3582 | (sizeof(struct flash_file_hdr_g3) + |
| 3583 | i * sizeof(struct image_hdr))); |
| 3584 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) { |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3585 | if (ufi_type == UFI_TYPE4) |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3586 | status = be_flash_skyhawk(adapter, fw, |
| 3587 | &flash_cmd, num_imgs); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3588 | else if (ufi_type == UFI_TYPE3) |
| 3589 | status = be_flash_BEx(adapter, fw, &flash_cmd, |
| 3590 | num_imgs); |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 3591 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3592 | } |
| 3593 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3594 | if (ufi_type == UFI_TYPE2) |
| 3595 | status = be_flash_BEx(adapter, fw, &flash_cmd, 0); |
Padmanabh Ratnakar | 773a2d7 | 2012-10-20 06:04:16 +0000 | [diff] [blame] | 3596 | else if (ufi_type == -1) |
| 3597 | status = -1; |
| 3598 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3599 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
| 3600 | flash_cmd.dma); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3601 | if (status) { |
| 3602 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3603 | goto be_fw_exit; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3604 | } |
| 3605 | |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 3606 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3607 | |
Shripad Nunjundarao | 485bf56 | 2011-05-16 07:36:59 +0000 | [diff] [blame] | 3608 | be_fw_exit: |
| 3609 | return status; |
| 3610 | } |
| 3611 | |
| 3612 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) |
| 3613 | { |
| 3614 | const struct firmware *fw; |
| 3615 | int status; |
| 3616 | |
| 3617 | if (!netif_running(adapter->netdev)) { |
| 3618 | dev_err(&adapter->pdev->dev, |
| 3619 | "Firmware load not allowed (interface is down)\n"); |
| 3620 | return -1; |
| 3621 | } |
| 3622 | |
| 3623 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); |
| 3624 | if (status) |
| 3625 | goto fw_exit; |
| 3626 | |
| 3627 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
| 3628 | |
| 3629 | if (lancer_chip(adapter)) |
| 3630 | status = lancer_fw_download(adapter, fw); |
| 3631 | else |
| 3632 | status = be_fw_download(adapter, fw); |
| 3633 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 3634 | fw_exit: |
| 3635 | release_firmware(fw); |
| 3636 | return status; |
| 3637 | } |
| 3638 | |
stephen hemminger | e5686ad | 2012-01-05 19:10:25 +0000 | [diff] [blame] | 3639 | static const struct net_device_ops be_netdev_ops = { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3640 | .ndo_open = be_open, |
| 3641 | .ndo_stop = be_close, |
| 3642 | .ndo_start_xmit = be_xmit, |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 3643 | .ndo_set_rx_mode = be_set_rx_mode, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3644 | .ndo_set_mac_address = be_mac_addr_set, |
| 3645 | .ndo_change_mtu = be_change_mtu, |
Sathya Perla | ab1594e | 2011-07-25 19:10:15 +0000 | [diff] [blame] | 3646 | .ndo_get_stats64 = be_get_stats64, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3647 | .ndo_validate_addr = eth_validate_addr, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3648 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
| 3649 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 3650 | .ndo_set_vf_mac = be_set_vf_mac, |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 3651 | .ndo_set_vf_vlan = be_set_vf_vlan, |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 3652 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
Ivan Vecera | 6626873 | 2011-12-08 01:31:21 +0000 | [diff] [blame] | 3653 | .ndo_get_vf_config = be_get_vf_config, |
| 3654 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3655 | .ndo_poll_controller = be_netpoll, |
| 3656 | #endif |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3657 | }; |
| 3658 | |
| 3659 | static void be_netdev_init(struct net_device *netdev) |
| 3660 | { |
| 3661 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3662 | struct be_eq_obj *eqo; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3663 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3664 | |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 3665 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 3666 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 3667 | NETIF_F_HW_VLAN_CTAG_TX; |
Michał Mirosław | 8b8ddc6 | 2011-04-08 02:38:47 +0000 | [diff] [blame] | 3668 | if (be_multi_rxq(adapter)) |
| 3669 | netdev->hw_features |= NETIF_F_RXHASH; |
Michał Mirosław | 6332c8d | 2011-04-07 02:43:48 +0000 | [diff] [blame] | 3670 | |
| 3671 | netdev->features |= netdev->hw_features | |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 3672 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; |
Ajit Khaparde | 4b97291 | 2011-04-06 18:07:43 +0000 | [diff] [blame] | 3673 | |
Padmanabh Ratnakar | eb8a50d | 2011-06-11 15:58:46 -0700 | [diff] [blame] | 3674 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 3675 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
Ajit Khaparde | 51c5987 | 2009-11-29 17:54:54 +0000 | [diff] [blame] | 3676 | |
Ajit Khaparde | fbc13f0 | 2012-03-18 06:23:21 +0000 | [diff] [blame] | 3677 | netdev->priv_flags |= IFF_UNICAST_FLT; |
| 3678 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3679 | netdev->flags |= IFF_MULTICAST; |
| 3680 | |
Sarveshwar Bandi | b7e5887 | 2012-06-13 19:51:43 +0000 | [diff] [blame] | 3681 | netif_set_gso_max_size(netdev, 65535 - ETH_HLEN); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 3682 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3683 | netdev->netdev_ops = &be_netdev_ops; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3684 | |
| 3685 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); |
| 3686 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 3687 | for_all_evt_queues(adapter, eqo, i) |
| 3688 | netif_napi_add(netdev, &eqo->napi, be_poll, BE_NAPI_WEIGHT); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3689 | } |
| 3690 | |
| 3691 | static void be_unmap_pci_bars(struct be_adapter *adapter) |
| 3692 | { |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 3693 | if (adapter->csr) |
| 3694 | pci_iounmap(adapter->pdev, adapter->csr); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3695 | if (adapter->db) |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3696 | pci_iounmap(adapter->pdev, adapter->db); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3697 | } |
| 3698 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3699 | static int db_bar(struct be_adapter *adapter) |
| 3700 | { |
| 3701 | if (lancer_chip(adapter) || !be_physfn(adapter)) |
| 3702 | return 0; |
| 3703 | else |
| 3704 | return 4; |
| 3705 | } |
| 3706 | |
| 3707 | static int be_roce_map_pci_bars(struct be_adapter *adapter) |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3708 | { |
Sathya Perla | dbf0f2a | 2012-11-06 17:49:00 +0000 | [diff] [blame] | 3709 | if (skyhawk_chip(adapter)) { |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3710 | adapter->roce_db.size = 4096; |
| 3711 | adapter->roce_db.io_addr = pci_resource_start(adapter->pdev, |
| 3712 | db_bar(adapter)); |
| 3713 | adapter->roce_db.total_size = pci_resource_len(adapter->pdev, |
| 3714 | db_bar(adapter)); |
| 3715 | } |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3716 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3717 | } |
| 3718 | |
| 3719 | static int be_map_pci_bars(struct be_adapter *adapter) |
| 3720 | { |
| 3721 | u8 __iomem *addr; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3722 | u32 sli_intf; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3723 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3724 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 3725 | adapter->if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> |
| 3726 | SLI_INTF_IF_TYPE_SHIFT; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 3727 | |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 3728 | if (BEx_chip(adapter) && be_physfn(adapter)) { |
| 3729 | adapter->csr = pci_iomap(adapter->pdev, 2, 0); |
| 3730 | if (adapter->csr == NULL) |
| 3731 | return -ENOMEM; |
| 3732 | } |
| 3733 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3734 | addr = pci_iomap(adapter->pdev, db_bar(adapter), 0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3735 | if (addr == NULL) |
| 3736 | goto pci_map_err; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3737 | adapter->db = addr; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3738 | |
| 3739 | be_roce_map_pci_bars(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3740 | return 0; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3741 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3742 | pci_map_err: |
| 3743 | be_unmap_pci_bars(adapter); |
| 3744 | return -ENOMEM; |
| 3745 | } |
| 3746 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3747 | static void be_ctrl_cleanup(struct be_adapter *adapter) |
| 3748 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3749 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3750 | |
| 3751 | be_unmap_pci_bars(adapter); |
| 3752 | |
| 3753 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3754 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 3755 | mem->dma); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3756 | |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 3757 | mem = &adapter->rx_filter; |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3758 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3759 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 3760 | mem->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3761 | } |
| 3762 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3763 | static int be_ctrl_init(struct be_adapter *adapter) |
| 3764 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3765 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
| 3766 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 3767 | struct be_dma_mem *rx_filter = &adapter->rx_filter; |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3768 | u32 sli_intf; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3769 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3770 | |
Sathya Perla | ce66f78 | 2012-11-06 17:48:58 +0000 | [diff] [blame] | 3771 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 3772 | adapter->sli_family = (sli_intf & SLI_INTF_FAMILY_MASK) >> |
| 3773 | SLI_INTF_FAMILY_SHIFT; |
| 3774 | adapter->virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; |
| 3775 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3776 | status = be_map_pci_bars(adapter); |
| 3777 | if (status) |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3778 | goto done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3779 | |
| 3780 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3781 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
| 3782 | mbox_mem_alloc->size, |
| 3783 | &mbox_mem_alloc->dma, |
| 3784 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3785 | if (!mbox_mem_alloc->va) { |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3786 | status = -ENOMEM; |
| 3787 | goto unmap_pci_bars; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3788 | } |
| 3789 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
| 3790 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); |
| 3791 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); |
| 3792 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3793 | |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 3794 | rx_filter->size = sizeof(struct be_cmd_req_rx_filter); |
| 3795 | rx_filter->va = dma_alloc_coherent(&adapter->pdev->dev, rx_filter->size, |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 3796 | &rx_filter->dma, |
| 3797 | GFP_KERNEL | __GFP_ZERO); |
Sathya Perla | 5b8821b | 2011-08-02 19:57:44 +0000 | [diff] [blame] | 3798 | if (rx_filter->va == NULL) { |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3799 | status = -ENOMEM; |
| 3800 | goto free_mbox; |
| 3801 | } |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 3802 | |
Ivan Vecera | 2984961 | 2010-12-14 05:43:19 +0000 | [diff] [blame] | 3803 | mutex_init(&adapter->mbox_lock); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 3804 | spin_lock_init(&adapter->mcc_lock); |
| 3805 | spin_lock_init(&adapter->mcc_cq_lock); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3806 | |
Sarveshwar Bandi | dd131e7 | 2010-05-25 16:16:32 -0700 | [diff] [blame] | 3807 | init_completion(&adapter->flash_compl); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 3808 | pci_save_state(adapter->pdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3809 | return 0; |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3810 | |
| 3811 | free_mbox: |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3812 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
| 3813 | mbox_mem_alloc->va, mbox_mem_alloc->dma); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 3814 | |
| 3815 | unmap_pci_bars: |
| 3816 | be_unmap_pci_bars(adapter); |
| 3817 | |
| 3818 | done: |
| 3819 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3820 | } |
| 3821 | |
| 3822 | static void be_stats_cleanup(struct be_adapter *adapter) |
| 3823 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3824 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3825 | |
| 3826 | if (cmd->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3827 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
| 3828 | cmd->va, cmd->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3829 | } |
| 3830 | |
| 3831 | static int be_stats_init(struct be_adapter *adapter) |
| 3832 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3833 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3834 | |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3835 | if (lancer_chip(adapter)) |
| 3836 | cmd->size = sizeof(struct lancer_cmd_req_pport_stats); |
| 3837 | else if (BE2_chip(adapter)) |
Ajit Khaparde | 89a88ab | 2011-05-16 07:36:18 +0000 | [diff] [blame] | 3838 | cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
Sathya Perla | ca34fe3 | 2012-11-06 17:48:56 +0000 | [diff] [blame] | 3839 | else |
| 3840 | /* BE3 and Skyhawk */ |
| 3841 | cmd->size = sizeof(struct be_cmd_req_get_stats_v1); |
| 3842 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 3843 | cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
Joe Perches | 1f9061d2 | 2013-03-15 07:23:58 +0000 | [diff] [blame] | 3844 | GFP_KERNEL | __GFP_ZERO); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3845 | if (cmd->va == NULL) |
| 3846 | return -1; |
| 3847 | return 0; |
| 3848 | } |
| 3849 | |
Bill Pemberton | 3bc6b06 | 2012-12-03 09:23:09 -0500 | [diff] [blame] | 3850 | static void be_remove(struct pci_dev *pdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3851 | { |
| 3852 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 3853 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3854 | if (!adapter) |
| 3855 | return; |
| 3856 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3857 | be_roce_dev_remove(adapter); |
Somnath Kotur | 8cef7a7 | 2013-03-14 02:41:51 +0000 | [diff] [blame] | 3858 | be_intr_set(adapter, false); |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 3859 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3860 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
| 3861 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3862 | unregister_netdev(adapter->netdev); |
| 3863 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3864 | be_clear(adapter); |
| 3865 | |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 3866 | /* tell fw we're done with firing cmds */ |
| 3867 | be_cmd_fw_clean(adapter); |
| 3868 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3869 | be_stats_cleanup(adapter); |
| 3870 | |
| 3871 | be_ctrl_cleanup(adapter); |
| 3872 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 3873 | pci_disable_pcie_error_reporting(pdev); |
| 3874 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3875 | pci_set_drvdata(pdev, NULL); |
| 3876 | pci_release_regions(pdev); |
| 3877 | pci_disable_device(pdev); |
| 3878 | |
| 3879 | free_netdev(adapter->netdev); |
| 3880 | } |
| 3881 | |
Ajit Khaparde | 4762f6c | 2012-03-18 06:23:11 +0000 | [diff] [blame] | 3882 | bool be_is_wol_supported(struct be_adapter *adapter) |
| 3883 | { |
| 3884 | return ((adapter->wol_cap & BE_WOL_CAP) && |
| 3885 | !be_is_wol_excluded(adapter)) ? true : false; |
| 3886 | } |
| 3887 | |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 3888 | u32 be_get_fw_log_level(struct be_adapter *adapter) |
| 3889 | { |
| 3890 | struct be_dma_mem extfat_cmd; |
| 3891 | struct be_fat_conf_params *cfgs; |
| 3892 | int status; |
| 3893 | u32 level = 0; |
| 3894 | int j; |
| 3895 | |
Padmanabh Ratnakar | f25b119 | 2012-10-20 06:02:52 +0000 | [diff] [blame] | 3896 | if (lancer_chip(adapter)) |
| 3897 | return 0; |
| 3898 | |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 3899 | memset(&extfat_cmd, 0, sizeof(struct be_dma_mem)); |
| 3900 | extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps); |
| 3901 | extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size, |
| 3902 | &extfat_cmd.dma); |
| 3903 | |
| 3904 | if (!extfat_cmd.va) { |
| 3905 | dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n", |
| 3906 | __func__); |
| 3907 | goto err; |
| 3908 | } |
| 3909 | |
| 3910 | status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd); |
| 3911 | if (!status) { |
| 3912 | cfgs = (struct be_fat_conf_params *)(extfat_cmd.va + |
| 3913 | sizeof(struct be_cmd_resp_hdr)); |
Anton Blanchard | ac46a46 | 2012-07-24 15:05:25 +0000 | [diff] [blame] | 3914 | 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] | 3915 | if (cfgs->module[0].trace_lvl[j].mode == MODE_UART) |
| 3916 | level = cfgs->module[0].trace_lvl[j].dbg_lvl; |
| 3917 | } |
| 3918 | } |
| 3919 | pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va, |
| 3920 | extfat_cmd.dma); |
| 3921 | err: |
| 3922 | return level; |
| 3923 | } |
Padmanabh Ratnakar | abb9395 | 2012-10-20 06:01:41 +0000 | [diff] [blame] | 3924 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 3925 | static int be_get_initial_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3926 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3927 | int status; |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 3928 | u32 level; |
Sathya Perla | 43a04fdc | 2009-10-14 20:21:17 +0000 | [diff] [blame] | 3929 | |
Ajit Khaparde | 9e1453c | 2011-02-20 11:42:22 +0000 | [diff] [blame] | 3930 | status = be_cmd_get_cntl_attributes(adapter); |
| 3931 | if (status) |
| 3932 | return status; |
| 3933 | |
Ajit Khaparde | 4762f6c | 2012-03-18 06:23:11 +0000 | [diff] [blame] | 3934 | status = be_cmd_get_acpi_wol_cap(adapter); |
| 3935 | if (status) { |
| 3936 | /* in case of a failure to get wol capabillities |
| 3937 | * check the exclusion list to determine WOL capability */ |
| 3938 | if (!be_is_wol_excluded(adapter)) |
| 3939 | adapter->wol_cap |= BE_WOL_CAP; |
| 3940 | } |
| 3941 | |
| 3942 | if (be_is_wol_supported(adapter)) |
| 3943 | adapter->wol = true; |
| 3944 | |
Padmanabh Ratnakar | 7aeb215 | 2012-07-12 03:56:46 +0000 | [diff] [blame] | 3945 | /* Must be a power of 2 or else MODULO will BUG_ON */ |
| 3946 | adapter->be_get_temp_freq = 64; |
| 3947 | |
Somnath Kotur | 941a77d | 2012-05-17 22:59:03 +0000 | [diff] [blame] | 3948 | level = be_get_fw_log_level(adapter); |
| 3949 | adapter->msg_enable = level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; |
| 3950 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 3951 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3952 | } |
| 3953 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3954 | static int lancer_recover_func(struct be_adapter *adapter) |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 3955 | { |
| 3956 | int status; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 3957 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3958 | status = lancer_test_and_set_rdy_state(adapter); |
| 3959 | if (status) |
| 3960 | goto err; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 3961 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3962 | if (netif_running(adapter->netdev)) |
| 3963 | be_close(adapter->netdev); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 3964 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3965 | be_clear(adapter); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 3966 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3967 | adapter->hw_error = false; |
| 3968 | adapter->fw_timeout = false; |
| 3969 | |
| 3970 | status = be_setup(adapter); |
| 3971 | if (status) |
| 3972 | goto err; |
| 3973 | |
| 3974 | if (netif_running(adapter->netdev)) { |
| 3975 | status = be_open(adapter->netdev); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 3976 | if (status) |
| 3977 | goto err; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 3978 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3979 | |
| 3980 | dev_err(&adapter->pdev->dev, |
| 3981 | "Adapter SLIPORT recovery succeeded\n"); |
| 3982 | return 0; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 3983 | err: |
Padmanabh Ratnakar | 67297ad | 2012-10-20 06:02:27 +0000 | [diff] [blame] | 3984 | if (adapter->eeh_error) |
| 3985 | dev_err(&adapter->pdev->dev, |
| 3986 | "Adapter SLIPORT recovery failed\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 3987 | |
| 3988 | return status; |
| 3989 | } |
| 3990 | |
| 3991 | static void be_func_recovery_task(struct work_struct *work) |
| 3992 | { |
| 3993 | struct be_adapter *adapter = |
| 3994 | container_of(work, struct be_adapter, func_recovery_work.work); |
| 3995 | int status; |
| 3996 | |
| 3997 | be_detect_error(adapter); |
| 3998 | |
| 3999 | if (adapter->hw_error && lancer_chip(adapter)) { |
| 4000 | |
| 4001 | if (adapter->eeh_error) |
| 4002 | goto out; |
| 4003 | |
| 4004 | rtnl_lock(); |
| 4005 | netif_device_detach(adapter->netdev); |
| 4006 | rtnl_unlock(); |
| 4007 | |
| 4008 | status = lancer_recover_func(adapter); |
| 4009 | |
| 4010 | if (!status) |
| 4011 | netif_device_attach(adapter->netdev); |
| 4012 | } |
| 4013 | |
| 4014 | out: |
| 4015 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4016 | msecs_to_jiffies(1000)); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4017 | } |
| 4018 | |
| 4019 | static void be_worker(struct work_struct *work) |
| 4020 | { |
| 4021 | struct be_adapter *adapter = |
| 4022 | container_of(work, struct be_adapter, work.work); |
| 4023 | struct be_rx_obj *rxo; |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4024 | struct be_eq_obj *eqo; |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4025 | int i; |
| 4026 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4027 | /* when interrupts are not yet enabled, just reap any pending |
| 4028 | * mcc completions */ |
| 4029 | if (!netif_running(adapter->netdev)) { |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 4030 | local_bh_disable(); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4031 | be_process_mcc(adapter); |
Amerigo Wang | 072a9c4 | 2012-08-24 21:41:11 +0000 | [diff] [blame] | 4032 | local_bh_enable(); |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4033 | goto reschedule; |
| 4034 | } |
| 4035 | |
| 4036 | if (!adapter->stats_cmd_sent) { |
| 4037 | if (lancer_chip(adapter)) |
| 4038 | lancer_cmd_get_pport_stats(adapter, |
| 4039 | &adapter->stats_cmd); |
| 4040 | else |
| 4041 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
| 4042 | } |
| 4043 | |
Padmanabh Ratnakar | 7aeb215 | 2012-07-12 03:56:46 +0000 | [diff] [blame] | 4044 | if (MODULO(adapter->work_counter, adapter->be_get_temp_freq) == 0) |
| 4045 | be_cmd_get_die_temperature(adapter); |
| 4046 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4047 | for_all_rx_queues(adapter, rxo, i) { |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4048 | if (rxo->rx_post_starved) { |
| 4049 | rxo->rx_post_starved = false; |
| 4050 | be_post_rx_frags(rxo, GFP_KERNEL); |
| 4051 | } |
| 4052 | } |
| 4053 | |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4054 | for_all_evt_queues(adapter, eqo, i) |
| 4055 | be_eqd_update(adapter, eqo); |
| 4056 | |
Padmanabh Ratnakar | d8110f6 | 2011-11-25 05:48:23 +0000 | [diff] [blame] | 4057 | reschedule: |
| 4058 | adapter->work_counter++; |
| 4059 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 4060 | } |
| 4061 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4062 | static bool be_reset_required(struct be_adapter *adapter) |
| 4063 | { |
Sathya Perla | d79c0a2 | 2012-06-05 19:37:22 +0000 | [diff] [blame] | 4064 | return be_find_vfs(adapter, ENABLED) > 0 ? false : true; |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4065 | } |
| 4066 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 4067 | static char *mc_name(struct be_adapter *adapter) |
| 4068 | { |
| 4069 | if (adapter->function_mode & FLEX10_MODE) |
| 4070 | return "FLEX10"; |
| 4071 | else if (adapter->function_mode & VNIC_MODE) |
| 4072 | return "vNIC"; |
| 4073 | else if (adapter->function_mode & UMC_ENABLED) |
| 4074 | return "UMC"; |
| 4075 | else |
| 4076 | return ""; |
| 4077 | } |
| 4078 | |
| 4079 | static inline char *func_name(struct be_adapter *adapter) |
| 4080 | { |
| 4081 | return be_physfn(adapter) ? "PF" : "VF"; |
| 4082 | } |
| 4083 | |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 4084 | 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] | 4085 | { |
| 4086 | int status = 0; |
| 4087 | struct be_adapter *adapter; |
| 4088 | struct net_device *netdev; |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 4089 | char port_name; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4090 | |
| 4091 | status = pci_enable_device(pdev); |
| 4092 | if (status) |
| 4093 | goto do_none; |
| 4094 | |
| 4095 | status = pci_request_regions(pdev, DRV_NAME); |
| 4096 | if (status) |
| 4097 | goto disable_dev; |
| 4098 | pci_set_master(pdev); |
| 4099 | |
Sathya Perla | 7f64006 | 2012-06-05 19:37:20 +0000 | [diff] [blame] | 4100 | netdev = alloc_etherdev_mqs(sizeof(*adapter), MAX_TX_QS, MAX_RX_QS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4101 | if (netdev == NULL) { |
| 4102 | status = -ENOMEM; |
| 4103 | goto rel_reg; |
| 4104 | } |
| 4105 | adapter = netdev_priv(netdev); |
| 4106 | adapter->pdev = pdev; |
| 4107 | pci_set_drvdata(pdev, adapter); |
| 4108 | adapter->netdev = netdev; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4109 | SET_NETDEV_DEV(netdev, &pdev->dev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4110 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4111 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4112 | if (!status) { |
| 4113 | netdev->features |= NETIF_F_HIGHDMA; |
| 4114 | } else { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 4115 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4116 | if (status) { |
| 4117 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); |
| 4118 | goto free_netdev; |
| 4119 | } |
| 4120 | } |
| 4121 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 4122 | status = pci_enable_pcie_error_reporting(pdev); |
| 4123 | if (status) |
| 4124 | dev_err(&pdev->dev, "Could not use PCIe error reporting\n"); |
| 4125 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4126 | status = be_ctrl_init(adapter); |
| 4127 | if (status) |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4128 | goto free_netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4129 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4130 | /* sync up with fw's ready state */ |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4131 | if (be_physfn(adapter)) { |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4132 | status = be_fw_wait_ready(adapter); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4133 | if (status) |
| 4134 | goto ctrl_clean; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 4135 | } |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4136 | |
| 4137 | /* tell fw we're ready to fire cmds */ |
| 4138 | status = be_cmd_fw_init(adapter); |
| 4139 | if (status) |
| 4140 | goto ctrl_clean; |
| 4141 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4142 | if (be_reset_required(adapter)) { |
| 4143 | status = be_cmd_reset_function(adapter); |
| 4144 | if (status) |
| 4145 | goto ctrl_clean; |
| 4146 | } |
Sarveshwar Bandi | 556ae19 | 2010-05-24 18:38:25 -0700 | [diff] [blame] | 4147 | |
Somnath Kotur | 8cef7a7 | 2013-03-14 02:41:51 +0000 | [diff] [blame] | 4148 | /* Wait for interrupts to quiesce after an FLR */ |
| 4149 | msleep(100); |
| 4150 | |
| 4151 | /* Allow interrupts for other ULPs running on NIC function */ |
| 4152 | be_intr_set(adapter, true); |
Sathya Perla | 10ef9ab | 2012-02-09 18:05:27 +0000 | [diff] [blame] | 4153 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4154 | status = be_stats_init(adapter); |
| 4155 | if (status) |
| 4156 | goto ctrl_clean; |
| 4157 | |
Sathya Perla | 39f1d94 | 2012-05-08 19:41:24 +0000 | [diff] [blame] | 4158 | status = be_get_initial_config(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4159 | if (status) |
| 4160 | goto stats_clean; |
| 4161 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4162 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4163 | INIT_DELAYED_WORK(&adapter->func_recovery_work, be_func_recovery_task); |
Sathya Perla | a54769f | 2011-10-24 02:45:00 +0000 | [diff] [blame] | 4164 | adapter->rx_fc = adapter->tx_fc = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4165 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4166 | status = be_setup(adapter); |
| 4167 | if (status) |
Sathya Perla | 55f5c3c | 2012-09-28 04:39:42 +0000 | [diff] [blame] | 4168 | goto stats_clean; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4169 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 4170 | be_netdev_init(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4171 | status = register_netdev(netdev); |
| 4172 | if (status != 0) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4173 | goto unsetup; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4174 | |
Parav Pandit | 045508a | 2012-03-26 14:27:13 +0000 | [diff] [blame] | 4175 | be_roce_dev_add(adapter); |
| 4176 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4177 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4178 | msecs_to_jiffies(1000)); |
Padmanabh Ratnakar | b4e32a7 | 2012-07-12 03:57:35 +0000 | [diff] [blame] | 4179 | |
| 4180 | be_cmd_query_port_name(adapter, &port_name); |
| 4181 | |
Sathya Perla | d379142 | 2012-09-28 04:39:44 +0000 | [diff] [blame] | 4182 | dev_info(&pdev->dev, "%s: %s %s port %c\n", nic_name(pdev), |
| 4183 | func_name(adapter), mc_name(adapter), port_name); |
Somnath Kotur | 34b1ef0 | 2011-06-01 00:33:22 +0000 | [diff] [blame] | 4184 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4185 | return 0; |
| 4186 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 4187 | unsetup: |
| 4188 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4189 | stats_clean: |
| 4190 | be_stats_cleanup(adapter); |
| 4191 | ctrl_clean: |
| 4192 | be_ctrl_cleanup(adapter); |
Sathya Perla | f9449ab | 2011-10-24 02:45:01 +0000 | [diff] [blame] | 4193 | free_netdev: |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 4194 | free_netdev(netdev); |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 4195 | pci_set_drvdata(pdev, NULL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4196 | rel_reg: |
| 4197 | pci_release_regions(pdev); |
| 4198 | disable_dev: |
| 4199 | pci_disable_device(pdev); |
| 4200 | do_none: |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 4201 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4202 | return status; |
| 4203 | } |
| 4204 | |
| 4205 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) |
| 4206 | { |
| 4207 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4208 | struct net_device *netdev = adapter->netdev; |
| 4209 | |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 4210 | if (adapter->wol) |
| 4211 | be_setup_wol(adapter, true); |
| 4212 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4213 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
| 4214 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4215 | netif_device_detach(netdev); |
| 4216 | if (netif_running(netdev)) { |
| 4217 | rtnl_lock(); |
| 4218 | be_close(netdev); |
| 4219 | rtnl_unlock(); |
| 4220 | } |
Sarveshwar Bandi | 9b0365f | 2009-08-12 21:01:29 +0000 | [diff] [blame] | 4221 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4222 | |
| 4223 | pci_save_state(pdev); |
| 4224 | pci_disable_device(pdev); |
| 4225 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 4226 | return 0; |
| 4227 | } |
| 4228 | |
| 4229 | static int be_resume(struct pci_dev *pdev) |
| 4230 | { |
| 4231 | int status = 0; |
| 4232 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4233 | struct net_device *netdev = adapter->netdev; |
| 4234 | |
| 4235 | netif_device_detach(netdev); |
| 4236 | |
| 4237 | status = pci_enable_device(pdev); |
| 4238 | if (status) |
| 4239 | return status; |
| 4240 | |
| 4241 | pci_set_power_state(pdev, 0); |
| 4242 | pci_restore_state(pdev); |
| 4243 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 4244 | /* tell fw we're ready to fire cmds */ |
| 4245 | status = be_cmd_fw_init(adapter); |
| 4246 | if (status) |
| 4247 | return status; |
| 4248 | |
Sarveshwar Bandi | 9b0365f | 2009-08-12 21:01:29 +0000 | [diff] [blame] | 4249 | be_setup(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4250 | if (netif_running(netdev)) { |
| 4251 | rtnl_lock(); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4252 | be_open(netdev); |
| 4253 | rtnl_unlock(); |
| 4254 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4255 | |
| 4256 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4257 | msecs_to_jiffies(1000)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4258 | netif_device_attach(netdev); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 4259 | |
| 4260 | if (adapter->wol) |
| 4261 | be_setup_wol(adapter, false); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 4262 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4263 | return 0; |
| 4264 | } |
| 4265 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4266 | /* |
| 4267 | * An FLR will stop BE from DMAing any data. |
| 4268 | */ |
| 4269 | static void be_shutdown(struct pci_dev *pdev) |
| 4270 | { |
| 4271 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4272 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 4273 | if (!adapter) |
| 4274 | return; |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4275 | |
Sathya Perla | 0f4a682 | 2011-03-21 20:49:28 +0000 | [diff] [blame] | 4276 | cancel_delayed_work_sync(&adapter->work); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4277 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 4278 | |
Ajit Khaparde | 2d5d415 | 2011-04-06 05:53:13 +0000 | [diff] [blame] | 4279 | netif_device_detach(adapter->netdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4280 | |
Ajit Khaparde | 5784186 | 2011-04-06 18:08:43 +0000 | [diff] [blame] | 4281 | be_cmd_reset_function(adapter); |
| 4282 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4283 | pci_disable_device(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4284 | } |
| 4285 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4286 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
| 4287 | pci_channel_state_t state) |
| 4288 | { |
| 4289 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4290 | struct net_device *netdev = adapter->netdev; |
| 4291 | |
| 4292 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); |
| 4293 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4294 | adapter->eeh_error = true; |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4295 | |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4296 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
| 4297 | |
| 4298 | rtnl_lock(); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4299 | netif_device_detach(netdev); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4300 | rtnl_unlock(); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4301 | |
| 4302 | if (netif_running(netdev)) { |
| 4303 | rtnl_lock(); |
| 4304 | be_close(netdev); |
| 4305 | rtnl_unlock(); |
| 4306 | } |
| 4307 | be_clear(adapter); |
| 4308 | |
| 4309 | if (state == pci_channel_io_perm_failure) |
| 4310 | return PCI_ERS_RESULT_DISCONNECT; |
| 4311 | |
| 4312 | pci_disable_device(pdev); |
| 4313 | |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 4314 | /* The error could cause the FW to trigger a flash debug dump. |
| 4315 | * Resetting the card while flash dump is in progress |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 4316 | * can cause it not to recover; wait for it to finish. |
| 4317 | * Wait only for first function as it is needed only once per |
| 4318 | * adapter. |
Somnath Kotur | eeb7fc7 | 2012-05-02 03:41:01 +0000 | [diff] [blame] | 4319 | */ |
Padmanabh Ratnakar | c8a5416 | 2012-10-20 06:03:37 +0000 | [diff] [blame] | 4320 | if (pdev->devfn == 0) |
| 4321 | ssleep(30); |
| 4322 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4323 | return PCI_ERS_RESULT_NEED_RESET; |
| 4324 | } |
| 4325 | |
| 4326 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) |
| 4327 | { |
| 4328 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4329 | int status; |
| 4330 | |
| 4331 | dev_info(&adapter->pdev->dev, "EEH reset\n"); |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4332 | be_clear_all_error(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4333 | |
| 4334 | status = pci_enable_device(pdev); |
| 4335 | if (status) |
| 4336 | return PCI_ERS_RESULT_DISCONNECT; |
| 4337 | |
| 4338 | pci_set_master(pdev); |
| 4339 | pci_set_power_state(pdev, 0); |
| 4340 | pci_restore_state(pdev); |
| 4341 | |
| 4342 | /* Check if card is ok and fw is ready */ |
Sathya Perla | c5b3ad4 | 2013-03-05 22:23:20 +0000 | [diff] [blame] | 4343 | dev_info(&adapter->pdev->dev, |
| 4344 | "Waiting for FW to be ready after EEH reset\n"); |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4345 | status = be_fw_wait_ready(adapter); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4346 | if (status) |
| 4347 | return PCI_ERS_RESULT_DISCONNECT; |
| 4348 | |
Sathya Perla | d6b6d98 | 2012-09-05 01:56:48 +0000 | [diff] [blame] | 4349 | pci_cleanup_aer_uncorrect_error_status(pdev); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4350 | return PCI_ERS_RESULT_RECOVERED; |
| 4351 | } |
| 4352 | |
| 4353 | static void be_eeh_resume(struct pci_dev *pdev) |
| 4354 | { |
| 4355 | int status = 0; |
| 4356 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 4357 | struct net_device *netdev = adapter->netdev; |
| 4358 | |
| 4359 | dev_info(&adapter->pdev->dev, "EEH resume\n"); |
| 4360 | |
| 4361 | pci_save_state(pdev); |
| 4362 | |
| 4363 | /* tell fw we're ready to fire cmds */ |
| 4364 | status = be_cmd_fw_init(adapter); |
| 4365 | if (status) |
| 4366 | goto err; |
| 4367 | |
Padmanabh Ratnakar | bf99e50 | 2012-07-12 03:56:58 +0000 | [diff] [blame] | 4368 | status = be_cmd_reset_function(adapter); |
| 4369 | if (status) |
| 4370 | goto err; |
| 4371 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4372 | status = be_setup(adapter); |
| 4373 | if (status) |
| 4374 | goto err; |
| 4375 | |
| 4376 | if (netif_running(netdev)) { |
| 4377 | status = be_open(netdev); |
| 4378 | if (status) |
| 4379 | goto err; |
| 4380 | } |
Padmanabh Ratnakar | f67ef7b | 2012-07-12 03:57:09 +0000 | [diff] [blame] | 4381 | |
| 4382 | schedule_delayed_work(&adapter->func_recovery_work, |
| 4383 | msecs_to_jiffies(1000)); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4384 | netif_device_attach(netdev); |
| 4385 | return; |
| 4386 | err: |
| 4387 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4388 | } |
| 4389 | |
Stephen Hemminger | 3646f0e | 2012-09-07 09:33:15 -0700 | [diff] [blame] | 4390 | static const struct pci_error_handlers be_eeh_handlers = { |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4391 | .error_detected = be_eeh_err_detected, |
| 4392 | .slot_reset = be_eeh_reset, |
| 4393 | .resume = be_eeh_resume, |
| 4394 | }; |
| 4395 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4396 | static struct pci_driver be_driver = { |
| 4397 | .name = DRV_NAME, |
| 4398 | .id_table = be_dev_ids, |
| 4399 | .probe = be_probe, |
| 4400 | .remove = be_remove, |
| 4401 | .suspend = be_suspend, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4402 | .resume = be_resume, |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 4403 | .shutdown = be_shutdown, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 4404 | .err_handler = &be_eeh_handlers |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4405 | }; |
| 4406 | |
| 4407 | static int __init be_init_module(void) |
| 4408 | { |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 4409 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
| 4410 | rx_frag_size != 2048) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4411 | printk(KERN_WARNING DRV_NAME |
| 4412 | " : Module param rx_frag_size must be 2048/4096/8192." |
| 4413 | " Using 2048\n"); |
| 4414 | rx_frag_size = 2048; |
| 4415 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4416 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 4417 | return pci_register_driver(&be_driver); |
| 4418 | } |
| 4419 | module_init(be_init_module); |
| 4420 | |
| 4421 | static void __exit be_exit_module(void) |
| 4422 | { |
| 4423 | pci_unregister_driver(&be_driver); |
| 4424 | } |
| 4425 | module_exit(be_exit_module); |