Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1 | /* |
Ajit Khaparde | d2145cd | 2011-03-16 08:20:46 +0000 | [diff] [blame] | 2 | * Copyright (C) 2005 - 2011 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 | |
| 18 | #include "be.h" |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 19 | #include "be_cmds.h" |
Stephen Hemminger | 65f71b8 | 2009-03-27 00:25:24 -0700 | [diff] [blame] | 20 | #include <asm/div64.h> |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 21 | |
| 22 | MODULE_VERSION(DRV_VER); |
| 23 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
| 24 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); |
| 25 | MODULE_AUTHOR("ServerEngines Corporation"); |
| 26 | MODULE_LICENSE("GPL"); |
| 27 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 28 | static ushort rx_frag_size = 2048; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 29 | static unsigned int num_vfs; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 30 | module_param(rx_frag_size, ushort, S_IRUGO); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 31 | module_param(num_vfs, uint, S_IRUGO); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 32 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
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 | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 35 | static bool multi_rxq = true; |
| 36 | module_param(multi_rxq, bool, S_IRUGO | S_IWUSR); |
| 37 | MODULE_PARM_DESC(multi_rxq, "Multi Rx Queue support. Enabled by default"); |
| 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)}, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 45 | { 0 } |
| 46 | }; |
| 47 | MODULE_DEVICE_TABLE(pci, be_dev_ids); |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 48 | /* UE Status Low CSR */ |
| 49 | static char *ue_status_low_desc[] = { |
| 50 | "CEV", |
| 51 | "CTX", |
| 52 | "DBUF", |
| 53 | "ERX", |
| 54 | "Host", |
| 55 | "MPU", |
| 56 | "NDMA", |
| 57 | "PTC ", |
| 58 | "RDMA ", |
| 59 | "RXF ", |
| 60 | "RXIPS ", |
| 61 | "RXULP0 ", |
| 62 | "RXULP1 ", |
| 63 | "RXULP2 ", |
| 64 | "TIM ", |
| 65 | "TPOST ", |
| 66 | "TPRE ", |
| 67 | "TXIPS ", |
| 68 | "TXULP0 ", |
| 69 | "TXULP1 ", |
| 70 | "UC ", |
| 71 | "WDMA ", |
| 72 | "TXULP2 ", |
| 73 | "HOST1 ", |
| 74 | "P0_OB_LINK ", |
| 75 | "P1_OB_LINK ", |
| 76 | "HOST_GPIO ", |
| 77 | "MBOX ", |
| 78 | "AXGMAC0", |
| 79 | "AXGMAC1", |
| 80 | "JTAG", |
| 81 | "MPU_INTPEND" |
| 82 | }; |
| 83 | /* UE Status High CSR */ |
| 84 | static char *ue_status_hi_desc[] = { |
| 85 | "LPCMEMHOST", |
| 86 | "MGMT_MAC", |
| 87 | "PCS0ONLINE", |
| 88 | "MPU_IRAM", |
| 89 | "PCS1ONLINE", |
| 90 | "PCTL0", |
| 91 | "PCTL1", |
| 92 | "PMEM", |
| 93 | "RR", |
| 94 | "TXPB", |
| 95 | "RXPP", |
| 96 | "XAUI", |
| 97 | "TXP", |
| 98 | "ARM", |
| 99 | "IPC", |
| 100 | "HOST2", |
| 101 | "HOST3", |
| 102 | "HOST4", |
| 103 | "HOST5", |
| 104 | "HOST6", |
| 105 | "HOST7", |
| 106 | "HOST8", |
| 107 | "HOST9", |
| 108 | "NETC" |
| 109 | "Unknown", |
| 110 | "Unknown", |
| 111 | "Unknown", |
| 112 | "Unknown", |
| 113 | "Unknown", |
| 114 | "Unknown", |
| 115 | "Unknown", |
| 116 | "Unknown" |
| 117 | }; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 118 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 119 | static inline bool be_multi_rxq(struct be_adapter *adapter) |
| 120 | { |
| 121 | return (adapter->num_rx_qs > 1); |
| 122 | } |
| 123 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 124 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
| 125 | { |
| 126 | struct be_dma_mem *mem = &q->dma_mem; |
| 127 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 128 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 129 | mem->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, |
| 133 | u16 len, u16 entry_size) |
| 134 | { |
| 135 | struct be_dma_mem *mem = &q->dma_mem; |
| 136 | |
| 137 | memset(q, 0, sizeof(*q)); |
| 138 | q->len = len; |
| 139 | q->entry_size = entry_size; |
| 140 | mem->size = len * entry_size; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 141 | mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
| 142 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 143 | if (!mem->va) |
| 144 | return -1; |
| 145 | memset(mem->va, 0, mem->size); |
| 146 | return 0; |
| 147 | } |
| 148 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 149 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 150 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 151 | u8 __iomem *addr = adapter->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 152 | u32 reg = ioread32(addr); |
| 153 | u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 154 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 155 | if (adapter->eeh_err) |
| 156 | return; |
| 157 | |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 158 | if (!enabled && enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 159 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 160 | else if (enabled && !enable) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 161 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 162 | else |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 163 | return; |
Sathya Perla | 5f0b849 | 2009-07-27 22:52:56 +0000 | [diff] [blame] | 164 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 165 | iowrite32(reg, addr); |
| 166 | } |
| 167 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 168 | 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] | 169 | { |
| 170 | u32 val = 0; |
| 171 | val |= qid & DB_RQ_RING_ID_MASK; |
| 172 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 173 | |
| 174 | wmb(); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 175 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 176 | } |
| 177 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 178 | static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 179 | { |
| 180 | u32 val = 0; |
| 181 | val |= qid & DB_TXULP_RING_ID_MASK; |
| 182 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 183 | |
| 184 | wmb(); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 185 | iowrite32(val, adapter->db + DB_TXULP1_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 186 | } |
| 187 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 188 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 189 | bool arm, bool clear_int, u16 num_popped) |
| 190 | { |
| 191 | u32 val = 0; |
| 192 | val |= qid & DB_EQ_RING_ID_MASK; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 193 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
| 194 | DB_EQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 195 | |
| 196 | if (adapter->eeh_err) |
| 197 | return; |
| 198 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 199 | if (arm) |
| 200 | val |= 1 << DB_EQ_REARM_SHIFT; |
| 201 | if (clear_int) |
| 202 | val |= 1 << DB_EQ_CLR_SHIFT; |
| 203 | val |= 1 << DB_EQ_EVNT_SHIFT; |
| 204 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 205 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 206 | } |
| 207 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 208 | 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] | 209 | { |
| 210 | u32 val = 0; |
| 211 | val |= qid & DB_CQ_RING_ID_MASK; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 212 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
| 213 | DB_CQ_RING_ID_EXT_MASK_SHIFT); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 214 | |
| 215 | if (adapter->eeh_err) |
| 216 | return; |
| 217 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 218 | if (arm) |
| 219 | val |= 1 << DB_CQ_REARM_SHIFT; |
| 220 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 221 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 222 | } |
| 223 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 224 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
| 225 | { |
| 226 | struct be_adapter *adapter = netdev_priv(netdev); |
| 227 | struct sockaddr *addr = p; |
| 228 | int status = 0; |
| 229 | |
Ajit Khaparde | ca9e498 | 2009-11-29 17:56:26 +0000 | [diff] [blame] | 230 | if (!is_valid_ether_addr(addr->sa_data)) |
| 231 | return -EADDRNOTAVAIL; |
| 232 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 233 | /* MAC addr configuration will be done in hardware for VFs |
| 234 | * by their corresponding PFs. Just copy to netdev addr here |
| 235 | */ |
| 236 | if (!be_physfn(adapter)) |
| 237 | goto netdev_addr; |
| 238 | |
Ajit Khaparde | f8617e0 | 2011-02-11 13:36:37 +0000 | [diff] [blame] | 239 | status = be_cmd_pmac_del(adapter, adapter->if_handle, |
| 240 | adapter->pmac_id, 0); |
Sathya Perla | a65027e | 2009-08-17 00:58:04 +0000 | [diff] [blame] | 241 | if (status) |
| 242 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 243 | |
Sathya Perla | a65027e | 2009-08-17 00:58:04 +0000 | [diff] [blame] | 244 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
Ajit Khaparde | f8617e0 | 2011-02-11 13:36:37 +0000 | [diff] [blame] | 245 | adapter->if_handle, &adapter->pmac_id, 0); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 246 | netdev_addr: |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 247 | if (!status) |
| 248 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
| 249 | |
| 250 | return status; |
| 251 | } |
| 252 | |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 253 | void netdev_stats_update(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 254 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 255 | struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats_cmd.va); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 256 | struct be_rxf_stats *rxf_stats = &hw_stats->rxf; |
| 257 | struct be_port_rxf_stats *port_stats = |
| 258 | &rxf_stats->port[adapter->port_num]; |
Ajit Khaparde | 78122a5 | 2009-10-07 03:11:20 -0700 | [diff] [blame] | 259 | struct net_device_stats *dev_stats = &adapter->netdev->stats; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 260 | struct be_erx_stats *erx_stats = &hw_stats->erx; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 261 | struct be_rx_obj *rxo; |
| 262 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 263 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 264 | memset(dev_stats, 0, sizeof(*dev_stats)); |
| 265 | for_all_rx_queues(adapter, rxo, i) { |
| 266 | dev_stats->rx_packets += rx_stats(rxo)->rx_pkts; |
| 267 | dev_stats->rx_bytes += rx_stats(rxo)->rx_bytes; |
| 268 | dev_stats->multicast += rx_stats(rxo)->rx_mcast_pkts; |
| 269 | /* no space in linux buffers: best possible approximation */ |
| 270 | dev_stats->rx_dropped += |
| 271 | erx_stats->rx_drops_no_fragments[rxo->q.id]; |
| 272 | } |
| 273 | |
| 274 | dev_stats->tx_packets = tx_stats(adapter)->be_tx_pkts; |
| 275 | dev_stats->tx_bytes = tx_stats(adapter)->be_tx_bytes; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 276 | |
| 277 | /* bad pkts received */ |
| 278 | dev_stats->rx_errors = port_stats->rx_crc_errors + |
| 279 | port_stats->rx_alignment_symbol_errors + |
| 280 | port_stats->rx_in_range_errors + |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 281 | port_stats->rx_out_range_errors + |
| 282 | port_stats->rx_frame_too_long + |
| 283 | port_stats->rx_dropped_too_small + |
| 284 | port_stats->rx_dropped_too_short + |
| 285 | port_stats->rx_dropped_header_too_small + |
| 286 | port_stats->rx_dropped_tcp_length + |
| 287 | port_stats->rx_dropped_runt + |
| 288 | port_stats->rx_tcp_checksum_errs + |
| 289 | port_stats->rx_ip_checksum_errs + |
| 290 | port_stats->rx_udp_checksum_errs; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 291 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 292 | /* detailed rx errors */ |
| 293 | dev_stats->rx_length_errors = port_stats->rx_in_range_errors + |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 294 | port_stats->rx_out_range_errors + |
| 295 | port_stats->rx_frame_too_long; |
| 296 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 297 | dev_stats->rx_crc_errors = port_stats->rx_crc_errors; |
| 298 | |
| 299 | /* frame alignment errors */ |
| 300 | dev_stats->rx_frame_errors = port_stats->rx_alignment_symbol_errors; |
Sathya Perla | 6811086 | 2009-06-10 02:21:16 +0000 | [diff] [blame] | 301 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 302 | /* receiver fifo overrun */ |
| 303 | /* drops_no_pbuf is no per i/f, it's per BE card */ |
| 304 | dev_stats->rx_fifo_errors = port_stats->rx_fifo_overflow + |
| 305 | port_stats->rx_input_fifo_overflow + |
| 306 | rxf_stats->rx_drops_no_pbuf; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 307 | } |
| 308 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 309 | void be_link_status_update(struct be_adapter *adapter, bool link_up) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 310 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 311 | struct net_device *netdev = adapter->netdev; |
| 312 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 313 | /* If link came up or went down */ |
Sathya Perla | a8f447bd | 2009-06-18 00:10:27 +0000 | [diff] [blame] | 314 | if (adapter->link_up != link_up) { |
Ajit Khaparde | 0dffc83 | 2009-11-29 17:57:46 +0000 | [diff] [blame] | 315 | adapter->link_speed = -1; |
Sathya Perla | a8f447bd | 2009-06-18 00:10:27 +0000 | [diff] [blame] | 316 | if (link_up) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 317 | netif_carrier_on(netdev); |
| 318 | printk(KERN_INFO "%s: Link up\n", netdev->name); |
Sathya Perla | a8f447bd | 2009-06-18 00:10:27 +0000 | [diff] [blame] | 319 | } else { |
Sathya Perla | a8f447bd | 2009-06-18 00:10:27 +0000 | [diff] [blame] | 320 | netif_carrier_off(netdev); |
| 321 | printk(KERN_INFO "%s: Link down\n", netdev->name); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 322 | } |
Sathya Perla | a8f447bd | 2009-06-18 00:10:27 +0000 | [diff] [blame] | 323 | adapter->link_up = link_up; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 324 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | /* Update the EQ delay n BE based on the RX frags consumed / sec */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 328 | static void be_rx_eqd_update(struct be_adapter *adapter, struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 329 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 330 | struct be_eq_obj *rx_eq = &rxo->rx_eq; |
| 331 | struct be_rx_stats *stats = &rxo->stats; |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 332 | ulong now = jiffies; |
| 333 | u32 eqd; |
| 334 | |
| 335 | if (!rx_eq->enable_aic) |
| 336 | return; |
| 337 | |
| 338 | /* Wrapped around */ |
| 339 | if (time_before(now, stats->rx_fps_jiffies)) { |
| 340 | stats->rx_fps_jiffies = now; |
| 341 | return; |
| 342 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 343 | |
| 344 | /* Update once a second */ |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 345 | if ((now - stats->rx_fps_jiffies) < HZ) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 346 | return; |
| 347 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 348 | stats->rx_fps = (stats->rx_frags - stats->prev_rx_frags) / |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 349 | ((now - stats->rx_fps_jiffies) / HZ); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 350 | |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 351 | stats->rx_fps_jiffies = now; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 352 | stats->prev_rx_frags = stats->rx_frags; |
| 353 | eqd = stats->rx_fps / 110000; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 354 | eqd = eqd << 3; |
| 355 | if (eqd > rx_eq->max_eqd) |
| 356 | eqd = rx_eq->max_eqd; |
| 357 | if (eqd < rx_eq->min_eqd) |
| 358 | eqd = rx_eq->min_eqd; |
| 359 | if (eqd < 10) |
| 360 | eqd = 0; |
| 361 | if (eqd != rx_eq->cur_eqd) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 362 | be_cmd_modify_eqd(adapter, rx_eq->q.id, eqd); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 363 | |
| 364 | rx_eq->cur_eqd = eqd; |
| 365 | } |
| 366 | |
Stephen Hemminger | 65f71b8 | 2009-03-27 00:25:24 -0700 | [diff] [blame] | 367 | static u32 be_calc_rate(u64 bytes, unsigned long ticks) |
| 368 | { |
| 369 | u64 rate = bytes; |
| 370 | |
| 371 | do_div(rate, ticks / HZ); |
| 372 | rate <<= 3; /* bytes/sec -> bits/sec */ |
| 373 | do_div(rate, 1000000ul); /* MB/Sec */ |
| 374 | |
| 375 | return rate; |
| 376 | } |
| 377 | |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 378 | static void be_tx_rate_update(struct be_adapter *adapter) |
| 379 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 380 | struct be_tx_stats *stats = tx_stats(adapter); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 381 | ulong now = jiffies; |
| 382 | |
| 383 | /* Wrapped around? */ |
| 384 | if (time_before(now, stats->be_tx_jiffies)) { |
| 385 | stats->be_tx_jiffies = now; |
| 386 | return; |
| 387 | } |
| 388 | |
| 389 | /* Update tx rate once in two seconds */ |
| 390 | if ((now - stats->be_tx_jiffies) > 2 * HZ) { |
Stephen Hemminger | 65f71b8 | 2009-03-27 00:25:24 -0700 | [diff] [blame] | 391 | stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes |
| 392 | - stats->be_tx_bytes_prev, |
| 393 | now - stats->be_tx_jiffies); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 394 | stats->be_tx_jiffies = now; |
| 395 | stats->be_tx_bytes_prev = stats->be_tx_bytes; |
| 396 | } |
| 397 | } |
| 398 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 399 | static void be_tx_stats_update(struct be_adapter *adapter, |
Ajit Khaparde | 91992e4 | 2010-02-19 13:57:12 +0000 | [diff] [blame] | 400 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 401 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 402 | struct be_tx_stats *stats = tx_stats(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 403 | stats->be_tx_reqs++; |
| 404 | stats->be_tx_wrbs += wrb_cnt; |
| 405 | stats->be_tx_bytes += copied; |
Ajit Khaparde | 91992e4 | 2010-02-19 13:57:12 +0000 | [diff] [blame] | 406 | stats->be_tx_pkts += (gso_segs ? gso_segs : 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 407 | if (stopped) |
| 408 | stats->be_tx_stops++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 409 | } |
| 410 | |
| 411 | /* Determine number of WRB entries needed to xmit data in an skb */ |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 412 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
| 413 | bool *dummy) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 414 | { |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 415 | int cnt = (skb->len > skb->data_len); |
| 416 | |
| 417 | cnt += skb_shinfo(skb)->nr_frags; |
| 418 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 419 | /* to account for hdr wrb */ |
| 420 | cnt++; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 421 | if (lancer_chip(adapter) || !(cnt & 1)) { |
| 422 | *dummy = false; |
| 423 | } else { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 424 | /* add a dummy to make it an even num */ |
| 425 | cnt++; |
| 426 | *dummy = true; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 427 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 428 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
| 429 | return cnt; |
| 430 | } |
| 431 | |
| 432 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) |
| 433 | { |
| 434 | wrb->frag_pa_hi = upper_32_bits(addr); |
| 435 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; |
| 436 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; |
| 437 | } |
| 438 | |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 439 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
| 440 | struct sk_buff *skb, u32 wrb_cnt, u32 len) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 441 | { |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 442 | u8 vlan_prio = 0; |
| 443 | u16 vlan_tag = 0; |
| 444 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 445 | memset(hdr, 0, sizeof(*hdr)); |
| 446 | |
| 447 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); |
| 448 | |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 449 | if (skb_is_gso(skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 450 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
| 451 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, |
| 452 | hdr, skb_shinfo(skb)->gso_size); |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 453 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 454 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 455 | if (lancer_chip(adapter) && adapter->sli_family == |
| 456 | LANCER_A0_SLI_FAMILY) { |
| 457 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, ipcs, hdr, 1); |
| 458 | if (is_tcp_pkt(skb)) |
| 459 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, |
| 460 | tcpcs, hdr, 1); |
| 461 | else if (is_udp_pkt(skb)) |
| 462 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, |
| 463 | udpcs, hdr, 1); |
| 464 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 465 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| 466 | if (is_tcp_pkt(skb)) |
| 467 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); |
| 468 | else if (is_udp_pkt(skb)) |
| 469 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); |
| 470 | } |
| 471 | |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 472 | if (adapter->vlan_grp && vlan_tx_tag_present(skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 473 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 474 | vlan_tag = vlan_tx_tag_get(skb); |
| 475 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; |
| 476 | /* If vlan priority provided by OS is NOT in available bmap */ |
| 477 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) |
| 478 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | |
| 479 | adapter->recommended_prio; |
| 480 | 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] | 481 | } |
| 482 | |
| 483 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); |
| 484 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); |
| 485 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); |
| 486 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); |
| 487 | } |
| 488 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 489 | 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] | 490 | bool unmap_single) |
| 491 | { |
| 492 | dma_addr_t dma; |
| 493 | |
| 494 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); |
| 495 | |
| 496 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; |
FUJITA Tomonori | b681ee7 | 2010-04-04 21:40:18 +0000 | [diff] [blame] | 497 | if (wrb->frag_len) { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 498 | if (unmap_single) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 499 | dma_unmap_single(dev, dma, wrb->frag_len, |
| 500 | DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 501 | else |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 502 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 503 | } |
| 504 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 505 | |
| 506 | static int make_tx_wrbs(struct be_adapter *adapter, |
| 507 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) |
| 508 | { |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 509 | dma_addr_t busaddr; |
| 510 | int i, copied = 0; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 511 | struct device *dev = &adapter->pdev->dev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 512 | struct sk_buff *first_skb = skb; |
| 513 | struct be_queue_info *txq = &adapter->tx_obj.q; |
| 514 | struct be_eth_wrb *wrb; |
| 515 | struct be_eth_hdr_wrb *hdr; |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 516 | bool map_single = false; |
| 517 | u16 map_head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 518 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 519 | hdr = queue_head_node(txq); |
| 520 | queue_head_inc(txq); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 521 | map_head = txq->head; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 522 | |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 523 | if (skb->len > skb->data_len) { |
Eric Dumazet | e743d31 | 2010-04-14 15:59:40 -0700 | [diff] [blame] | 524 | int len = skb_headlen(skb); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 525 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
| 526 | if (dma_mapping_error(dev, busaddr)) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 527 | goto dma_err; |
| 528 | map_single = true; |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 529 | wrb = queue_head_node(txq); |
| 530 | wrb_fill(wrb, busaddr, len); |
| 531 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 532 | queue_head_inc(txq); |
| 533 | copied += len; |
| 534 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 535 | |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 536 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
| 537 | struct skb_frag_struct *frag = |
| 538 | &skb_shinfo(skb)->frags[i]; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 539 | busaddr = dma_map_page(dev, frag->page, frag->page_offset, |
| 540 | frag->size, DMA_TO_DEVICE); |
| 541 | if (dma_mapping_error(dev, busaddr)) |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 542 | goto dma_err; |
David S. Miller | ebc8d2a | 2009-06-09 01:01:31 -0700 | [diff] [blame] | 543 | wrb = queue_head_node(txq); |
| 544 | wrb_fill(wrb, busaddr, frag->size); |
| 545 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 546 | queue_head_inc(txq); |
| 547 | copied += frag->size; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | if (dummy_wrb) { |
| 551 | wrb = queue_head_node(txq); |
| 552 | wrb_fill(wrb, 0, 0); |
| 553 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
| 554 | queue_head_inc(txq); |
| 555 | } |
| 556 | |
Somnath Kotur | cc4ce02 | 2010-10-21 07:11:14 -0700 | [diff] [blame] | 557 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 558 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
| 559 | |
| 560 | return copied; |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 561 | dma_err: |
| 562 | txq->head = map_head; |
| 563 | while (copied) { |
| 564 | wrb = queue_head_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 565 | unmap_tx_frag(dev, wrb, map_single); |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 566 | map_single = false; |
| 567 | copied -= wrb->frag_len; |
| 568 | queue_head_inc(txq); |
| 569 | } |
| 570 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 571 | } |
| 572 | |
Stephen Hemminger | 61357325 | 2009-08-31 19:50:58 +0000 | [diff] [blame] | 573 | static netdev_tx_t be_xmit(struct sk_buff *skb, |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 574 | struct net_device *netdev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 575 | { |
| 576 | struct be_adapter *adapter = netdev_priv(netdev); |
| 577 | struct be_tx_obj *tx_obj = &adapter->tx_obj; |
| 578 | struct be_queue_info *txq = &tx_obj->q; |
| 579 | u32 wrb_cnt = 0, copied = 0; |
| 580 | u32 start = txq->head; |
| 581 | bool dummy_wrb, stopped = false; |
| 582 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 583 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 584 | |
| 585 | copied = make_tx_wrbs(adapter, skb, wrb_cnt, dummy_wrb); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 586 | if (copied) { |
| 587 | /* record the sent skb in the sent_skb table */ |
| 588 | BUG_ON(tx_obj->sent_skb_list[start]); |
| 589 | tx_obj->sent_skb_list[start] = skb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 590 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 591 | /* Ensure txq has space for the next skb; Else stop the queue |
| 592 | * *BEFORE* ringing the tx doorbell, so that we serialze the |
| 593 | * tx compls of the current transmit which'll wake up the queue |
| 594 | */ |
Sathya Perla | 7101e11 | 2010-03-22 20:41:12 +0000 | [diff] [blame] | 595 | atomic_add(wrb_cnt, &txq->used); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 596 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
| 597 | txq->len) { |
| 598 | netif_stop_queue(netdev); |
| 599 | stopped = true; |
| 600 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 601 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 602 | be_txq_notify(adapter, txq->id, wrb_cnt); |
| 603 | |
Ajit Khaparde | 91992e4 | 2010-02-19 13:57:12 +0000 | [diff] [blame] | 604 | be_tx_stats_update(adapter, wrb_cnt, copied, |
| 605 | skb_shinfo(skb)->gso_segs, stopped); |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 606 | } else { |
| 607 | txq->head = start; |
| 608 | dev_kfree_skb_any(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 609 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 610 | return NETDEV_TX_OK; |
| 611 | } |
| 612 | |
| 613 | static int be_change_mtu(struct net_device *netdev, int new_mtu) |
| 614 | { |
| 615 | struct be_adapter *adapter = netdev_priv(netdev); |
| 616 | if (new_mtu < BE_MIN_MTU || |
Ajit Khaparde | 34a89b8 | 2010-02-09 01:32:43 +0000 | [diff] [blame] | 617 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
| 618 | (ETH_HLEN + ETH_FCS_LEN))) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 619 | dev_info(&adapter->pdev->dev, |
| 620 | "MTU must be between %d and %d bytes\n", |
Ajit Khaparde | 34a89b8 | 2010-02-09 01:32:43 +0000 | [diff] [blame] | 621 | BE_MIN_MTU, |
| 622 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 623 | return -EINVAL; |
| 624 | } |
| 625 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", |
| 626 | netdev->mtu, new_mtu); |
| 627 | netdev->mtu = new_mtu; |
| 628 | return 0; |
| 629 | } |
| 630 | |
| 631 | /* |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 632 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
| 633 | * If the user configures more, place BE in vlan promiscuous mode. |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 634 | */ |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 635 | static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 636 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 637 | u16 vtag[BE_NUM_VLANS_SUPPORTED]; |
| 638 | u16 ntags = 0, i; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 639 | int status = 0; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 640 | u32 if_handle; |
| 641 | |
| 642 | if (vf) { |
| 643 | if_handle = adapter->vf_cfg[vf_num].vf_if_handle; |
| 644 | vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag); |
| 645 | status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0); |
| 646 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 647 | |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 648 | if (adapter->vlans_added <= adapter->max_vlans) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 649 | /* Construct VLAN Table to give to HW */ |
Jesse Gross | b738127 | 2010-10-20 13:56:02 +0000 | [diff] [blame] | 650 | for (i = 0; i < VLAN_N_VID; i++) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 651 | if (adapter->vlan_tag[i]) { |
| 652 | vtag[ntags] = cpu_to_le16(i); |
| 653 | ntags++; |
| 654 | } |
| 655 | } |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 656 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
| 657 | vtag, ntags, 1, 0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 658 | } else { |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 659 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
| 660 | NULL, 0, 1, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 661 | } |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 662 | |
Sathya Perla | b31c50a | 2009-09-17 10:30:13 -0700 | [diff] [blame] | 663 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | static void be_vlan_register(struct net_device *netdev, struct vlan_group *grp) |
| 667 | { |
| 668 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 669 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 670 | adapter->vlan_grp = grp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | static void be_vlan_add_vid(struct net_device *netdev, u16 vid) |
| 674 | { |
| 675 | struct be_adapter *adapter = netdev_priv(netdev); |
| 676 | |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 677 | adapter->vlans_added++; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 678 | if (!be_physfn(adapter)) |
| 679 | return; |
| 680 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 681 | adapter->vlan_tag[vid] = 1; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 682 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 683 | be_vid_config(adapter, false, 0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) |
| 687 | { |
| 688 | struct be_adapter *adapter = netdev_priv(netdev); |
| 689 | |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 690 | adapter->vlans_added--; |
| 691 | vlan_group_set_device(adapter->vlan_grp, vid, NULL); |
| 692 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 693 | if (!be_physfn(adapter)) |
| 694 | return; |
| 695 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 696 | adapter->vlan_tag[vid] = 0; |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 697 | if (adapter->vlans_added <= adapter->max_vlans) |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 698 | be_vid_config(adapter, false, 0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 699 | } |
| 700 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 701 | static void be_set_multicast_list(struct net_device *netdev) |
| 702 | { |
| 703 | struct be_adapter *adapter = netdev_priv(netdev); |
| 704 | |
| 705 | if (netdev->flags & IFF_PROMISC) { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 706 | be_cmd_promiscuous_config(adapter, adapter->port_num, 1); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 707 | adapter->promiscuous = true; |
| 708 | goto done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 709 | } |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 710 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 711 | /* BE was previously in promiscuous mode; disable it */ |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 712 | if (adapter->promiscuous) { |
| 713 | adapter->promiscuous = false; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 714 | be_cmd_promiscuous_config(adapter, adapter->port_num, 0); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 715 | } |
| 716 | |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 717 | /* Enable multicast promisc if num configured exceeds what we support */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 718 | if (netdev->flags & IFF_ALLMULTI || |
| 719 | netdev_mc_count(netdev) > BE_MAX_MC) { |
Jiri Pirko | 0ddf477 | 2010-02-20 00:13:58 +0000 | [diff] [blame] | 720 | be_cmd_multicast_set(adapter, adapter->if_handle, NULL, |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 721 | &adapter->mc_cmd_mem); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 722 | goto done; |
| 723 | } |
| 724 | |
Jiri Pirko | 0ddf477 | 2010-02-20 00:13:58 +0000 | [diff] [blame] | 725 | be_cmd_multicast_set(adapter, adapter->if_handle, netdev, |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 726 | &adapter->mc_cmd_mem); |
Sathya Perla | 24307ee | 2009-06-18 00:09:25 +0000 | [diff] [blame] | 727 | done: |
| 728 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 729 | } |
| 730 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 731 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 732 | { |
| 733 | struct be_adapter *adapter = netdev_priv(netdev); |
| 734 | int status; |
| 735 | |
| 736 | if (!adapter->sriov_enabled) |
| 737 | return -EPERM; |
| 738 | |
| 739 | if (!is_valid_ether_addr(mac) || (vf >= num_vfs)) |
| 740 | return -EINVAL; |
| 741 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 742 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) |
| 743 | status = be_cmd_pmac_del(adapter, |
| 744 | adapter->vf_cfg[vf].vf_if_handle, |
Ajit Khaparde | f8617e0 | 2011-02-11 13:36:37 +0000 | [diff] [blame] | 745 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 746 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 747 | status = be_cmd_pmac_add(adapter, mac, |
| 748 | adapter->vf_cfg[vf].vf_if_handle, |
Ajit Khaparde | f8617e0 | 2011-02-11 13:36:37 +0000 | [diff] [blame] | 749 | &adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 750 | |
| 751 | if (status) |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 752 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
| 753 | mac, vf); |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 754 | else |
| 755 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); |
| 756 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 757 | return status; |
| 758 | } |
| 759 | |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 760 | static int be_get_vf_config(struct net_device *netdev, int vf, |
| 761 | struct ifla_vf_info *vi) |
| 762 | { |
| 763 | struct be_adapter *adapter = netdev_priv(netdev); |
| 764 | |
| 765 | if (!adapter->sriov_enabled) |
| 766 | return -EPERM; |
| 767 | |
| 768 | if (vf >= num_vfs) |
| 769 | return -EINVAL; |
| 770 | |
| 771 | vi->vf = vf; |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 772 | vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate; |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 773 | vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag; |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 774 | vi->qos = 0; |
| 775 | memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN); |
| 776 | |
| 777 | return 0; |
| 778 | } |
| 779 | |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 780 | static int be_set_vf_vlan(struct net_device *netdev, |
| 781 | int vf, u16 vlan, u8 qos) |
| 782 | { |
| 783 | struct be_adapter *adapter = netdev_priv(netdev); |
| 784 | int status = 0; |
| 785 | |
| 786 | if (!adapter->sriov_enabled) |
| 787 | return -EPERM; |
| 788 | |
| 789 | if ((vf >= num_vfs) || (vlan > 4095)) |
| 790 | return -EINVAL; |
| 791 | |
| 792 | if (vlan) { |
| 793 | adapter->vf_cfg[vf].vf_vlan_tag = vlan; |
| 794 | adapter->vlans_added++; |
| 795 | } else { |
| 796 | adapter->vf_cfg[vf].vf_vlan_tag = 0; |
| 797 | adapter->vlans_added--; |
| 798 | } |
| 799 | |
| 800 | status = be_vid_config(adapter, true, vf); |
| 801 | |
| 802 | if (status) |
| 803 | dev_info(&adapter->pdev->dev, |
| 804 | "VLAN %d config on VF %d failed\n", vlan, vf); |
| 805 | return status; |
| 806 | } |
| 807 | |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 808 | static int be_set_vf_tx_rate(struct net_device *netdev, |
| 809 | int vf, int rate) |
| 810 | { |
| 811 | struct be_adapter *adapter = netdev_priv(netdev); |
| 812 | int status = 0; |
| 813 | |
| 814 | if (!adapter->sriov_enabled) |
| 815 | return -EPERM; |
| 816 | |
| 817 | if ((vf >= num_vfs) || (rate < 0)) |
| 818 | return -EINVAL; |
| 819 | |
| 820 | if (rate > 10000) |
| 821 | rate = 10000; |
| 822 | |
| 823 | adapter->vf_cfg[vf].vf_tx_rate = rate; |
Ajit Khaparde | 856c401 | 2011-02-11 13:32:32 +0000 | [diff] [blame] | 824 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 825 | |
| 826 | if (status) |
| 827 | dev_info(&adapter->pdev->dev, |
| 828 | "tx rate %d on VF %d failed\n", rate, vf); |
| 829 | return status; |
| 830 | } |
| 831 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 832 | static void be_rx_rate_update(struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 833 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 834 | struct be_rx_stats *stats = &rxo->stats; |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 835 | ulong now = jiffies; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 836 | |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 837 | /* Wrapped around */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 838 | if (time_before(now, stats->rx_jiffies)) { |
| 839 | stats->rx_jiffies = now; |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 840 | return; |
| 841 | } |
| 842 | |
| 843 | /* Update the rate once in two seconds */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 844 | if ((now - stats->rx_jiffies) < 2 * HZ) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 845 | return; |
| 846 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 847 | stats->rx_rate = be_calc_rate(stats->rx_bytes - stats->rx_bytes_prev, |
| 848 | now - stats->rx_jiffies); |
| 849 | stats->rx_jiffies = now; |
| 850 | stats->rx_bytes_prev = stats->rx_bytes; |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 851 | } |
| 852 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 853 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 854 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 855 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 856 | struct be_rx_stats *stats = &rxo->stats; |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 857 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 858 | stats->rx_compl++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 859 | stats->rx_frags += rxcp->num_rcvd; |
| 860 | stats->rx_bytes += rxcp->pkt_size; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 861 | stats->rx_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 862 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 863 | stats->rx_mcast_pkts++; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 864 | if (rxcp->err) |
| 865 | stats->rxcp_err++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 866 | } |
| 867 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 868 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 869 | { |
Padmanabh Ratnakar | 19fad86 | 2011-03-07 03:08:16 +0000 | [diff] [blame] | 870 | /* L4 checksum is not reliable for non TCP/UDP packets. |
| 871 | * Also ignore ipcksm for ipv6 pkts */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 872 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
| 873 | (rxcp->ip_csum || rxcp->ipv6); |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 874 | } |
| 875 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 876 | static struct be_rx_page_info * |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 877 | get_rx_page_info(struct be_adapter *adapter, |
| 878 | struct be_rx_obj *rxo, |
| 879 | u16 frag_idx) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 880 | { |
| 881 | struct be_rx_page_info *rx_page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 882 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 883 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 884 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 885 | BUG_ON(!rx_page_info->page); |
| 886 | |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 887 | if (rx_page_info->last_page_user) { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 888 | dma_unmap_page(&adapter->pdev->dev, |
| 889 | dma_unmap_addr(rx_page_info, bus), |
| 890 | adapter->big_page_size, DMA_FROM_DEVICE); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 891 | rx_page_info->last_page_user = false; |
| 892 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 893 | |
| 894 | atomic_dec(&rxq->used); |
| 895 | return rx_page_info; |
| 896 | } |
| 897 | |
| 898 | /* Throwaway the data in the Rx completion */ |
| 899 | static void be_rx_compl_discard(struct be_adapter *adapter, |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 900 | struct be_rx_obj *rxo, |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 901 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 902 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 903 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 904 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 905 | u16 i, num_rcvd = rxcp->num_rcvd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 906 | |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 907 | for (i = 0; i < num_rcvd; i++) { |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 908 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 909 | put_page(page_info->page); |
| 910 | memset(page_info, 0, sizeof(*page_info)); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 911 | index_inc(&rxcp->rxq_idx, rxq->len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 912 | } |
| 913 | } |
| 914 | |
| 915 | /* |
| 916 | * skb_fill_rx_data forms a complete skb for an ether frame |
| 917 | * indicated by rxcp. |
| 918 | */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 919 | static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo, |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 920 | struct sk_buff *skb, struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 921 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 922 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 923 | struct be_rx_page_info *page_info; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 924 | u16 i, j; |
| 925 | u16 hdr_len, curr_frag_len, remaining; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 926 | u8 *start; |
| 927 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 928 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 929 | start = page_address(page_info->page) + page_info->page_offset; |
| 930 | prefetch(start); |
| 931 | |
| 932 | /* Copy data in the first descriptor of this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 933 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 934 | |
| 935 | /* Copy the header portion into skb_data */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 936 | hdr_len = min(BE_HDR_LEN, curr_frag_len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 937 | memcpy(skb->data, start, hdr_len); |
| 938 | skb->len = curr_frag_len; |
| 939 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ |
| 940 | /* Complete packet has now been moved to data */ |
| 941 | put_page(page_info->page); |
| 942 | skb->data_len = 0; |
| 943 | skb->tail += curr_frag_len; |
| 944 | } else { |
| 945 | skb_shinfo(skb)->nr_frags = 1; |
| 946 | skb_shinfo(skb)->frags[0].page = page_info->page; |
| 947 | skb_shinfo(skb)->frags[0].page_offset = |
| 948 | page_info->page_offset + hdr_len; |
| 949 | skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len; |
| 950 | skb->data_len = curr_frag_len - hdr_len; |
| 951 | skb->tail += hdr_len; |
| 952 | } |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 953 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 954 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 955 | if (rxcp->pkt_size <= rx_frag_size) { |
| 956 | BUG_ON(rxcp->num_rcvd != 1); |
| 957 | return; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 958 | } |
| 959 | |
| 960 | /* More frags present for this completion */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 961 | index_inc(&rxcp->rxq_idx, rxq->len); |
| 962 | remaining = rxcp->pkt_size - curr_frag_len; |
| 963 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { |
| 964 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
| 965 | curr_frag_len = min(remaining, rx_frag_size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 966 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 967 | /* Coalesce all frags from the same physical page in one slot */ |
| 968 | if (page_info->page_offset == 0) { |
| 969 | /* Fresh page */ |
| 970 | j++; |
| 971 | skb_shinfo(skb)->frags[j].page = page_info->page; |
| 972 | skb_shinfo(skb)->frags[j].page_offset = |
| 973 | page_info->page_offset; |
| 974 | skb_shinfo(skb)->frags[j].size = 0; |
| 975 | skb_shinfo(skb)->nr_frags++; |
| 976 | } else { |
| 977 | put_page(page_info->page); |
| 978 | } |
| 979 | |
| 980 | skb_shinfo(skb)->frags[j].size += curr_frag_len; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 981 | skb->len += curr_frag_len; |
| 982 | skb->data_len += curr_frag_len; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 983 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 984 | remaining -= curr_frag_len; |
| 985 | index_inc(&rxcp->rxq_idx, rxq->len); |
Ajit Khaparde | 205859a | 2010-02-09 01:34:21 +0000 | [diff] [blame] | 986 | page_info->page = NULL; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 987 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 988 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 989 | } |
| 990 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 991 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 992 | static void be_rx_compl_process(struct be_adapter *adapter, |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 993 | struct be_rx_obj *rxo, |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 994 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 995 | { |
| 996 | struct sk_buff *skb; |
Sathya Perla | 8942042 | 2010-02-17 01:35:26 +0000 | [diff] [blame] | 997 | |
Eric Dumazet | 89d71a6 | 2009-10-13 05:34:20 +0000 | [diff] [blame] | 998 | skb = netdev_alloc_skb_ip_align(adapter->netdev, BE_HDR_LEN); |
Sathya Perla | a058a63 | 2010-02-17 01:34:22 +0000 | [diff] [blame] | 999 | if (unlikely(!skb)) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1000 | if (net_ratelimit()) |
| 1001 | dev_warn(&adapter->pdev->dev, "skb alloc failed\n"); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1002 | be_rx_compl_discard(adapter, rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1003 | return; |
| 1004 | } |
| 1005 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1006 | skb_fill_rx_data(adapter, rxo, skb, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1007 | |
Somnath Kotur | c6ce2f4 | 2010-10-25 01:11:58 +0000 | [diff] [blame] | 1008 | if (likely(adapter->rx_csum && csum_passed(rxcp))) |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 1009 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Somnath Kotur | c6ce2f4 | 2010-10-25 01:11:58 +0000 | [diff] [blame] | 1010 | else |
| 1011 | skb_checksum_none_assert(skb); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1012 | |
| 1013 | skb->truesize = skb->len + sizeof(struct sk_buff); |
| 1014 | skb->protocol = eth_type_trans(skb, adapter->netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1015 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1016 | if (unlikely(rxcp->vlanf)) { |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 1017 | if (!adapter->vlan_grp || adapter->vlans_added == 0) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1018 | kfree_skb(skb); |
| 1019 | return; |
| 1020 | } |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1021 | vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, rxcp->vid); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1022 | } else { |
| 1023 | netif_receive_skb(skb); |
| 1024 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1025 | } |
| 1026 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1027 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
| 1028 | static void be_rx_compl_process_gro(struct be_adapter *adapter, |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1029 | struct be_rx_obj *rxo, |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1030 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1031 | { |
| 1032 | struct be_rx_page_info *page_info; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1033 | struct sk_buff *skb = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1034 | struct be_queue_info *rxq = &rxo->q; |
| 1035 | struct be_eq_obj *eq_obj = &rxo->rx_eq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1036 | u16 remaining, curr_frag_len; |
| 1037 | u16 i, j; |
Ajit Khaparde | 3968fa1 | 2011-02-20 11:41:53 +0000 | [diff] [blame] | 1038 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1039 | skb = napi_get_frags(&eq_obj->napi); |
| 1040 | if (!skb) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1041 | be_rx_compl_discard(adapter, rxo, rxcp); |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1042 | return; |
| 1043 | } |
| 1044 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1045 | remaining = rxcp->pkt_size; |
| 1046 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { |
| 1047 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1048 | |
| 1049 | curr_frag_len = min(remaining, rx_frag_size); |
| 1050 | |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1051 | /* Coalesce all frags from the same physical page in one slot */ |
| 1052 | if (i == 0 || page_info->page_offset == 0) { |
| 1053 | /* First frag or Fresh page */ |
| 1054 | j++; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1055 | skb_shinfo(skb)->frags[j].page = page_info->page; |
| 1056 | skb_shinfo(skb)->frags[j].page_offset = |
| 1057 | page_info->page_offset; |
| 1058 | skb_shinfo(skb)->frags[j].size = 0; |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1059 | } else { |
| 1060 | put_page(page_info->page); |
| 1061 | } |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1062 | skb_shinfo(skb)->frags[j].size += curr_frag_len; |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1063 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1064 | remaining -= curr_frag_len; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1065 | index_inc(&rxcp->rxq_idx, rxq->len); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1066 | memset(page_info, 0, sizeof(*page_info)); |
| 1067 | } |
Ajit Khaparde | bd46cb6 | 2009-06-26 02:51:07 +0000 | [diff] [blame] | 1068 | BUG_ON(j > MAX_SKB_FRAGS); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1069 | |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1070 | skb_shinfo(skb)->nr_frags = j + 1; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1071 | skb->len = rxcp->pkt_size; |
| 1072 | skb->data_len = rxcp->pkt_size; |
| 1073 | skb->truesize += rxcp->pkt_size; |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1074 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 1075 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1076 | if (likely(!rxcp->vlanf)) |
Ajit Khaparde | 5be93b9 | 2009-07-21 12:36:19 -0700 | [diff] [blame] | 1077 | napi_gro_frags(&eq_obj->napi); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1078 | else |
| 1079 | vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, rxcp->vid); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1080 | } |
| 1081 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1082 | static void be_parse_rx_compl_v1(struct be_adapter *adapter, |
| 1083 | struct be_eth_rx_compl *compl, |
| 1084 | struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1085 | { |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1086 | rxcp->pkt_size = |
| 1087 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); |
| 1088 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); |
| 1089 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); |
| 1090 | 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] | 1091 | 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] | 1092 | rxcp->ip_csum = |
| 1093 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); |
| 1094 | rxcp->l4_csum = |
| 1095 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); |
| 1096 | rxcp->ipv6 = |
| 1097 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); |
| 1098 | rxcp->rxq_idx = |
| 1099 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); |
| 1100 | rxcp->num_rcvd = |
| 1101 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); |
| 1102 | rxcp->pkt_type = |
| 1103 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); |
| 1104 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, compl); |
| 1105 | rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, compl); |
| 1106 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1107 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1108 | static void be_parse_rx_compl_v0(struct be_adapter *adapter, |
| 1109 | struct be_eth_rx_compl *compl, |
| 1110 | struct be_rx_compl_info *rxcp) |
| 1111 | { |
| 1112 | rxcp->pkt_size = |
| 1113 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); |
| 1114 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); |
| 1115 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); |
| 1116 | 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] | 1117 | 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] | 1118 | rxcp->ip_csum = |
| 1119 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); |
| 1120 | rxcp->l4_csum = |
| 1121 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); |
| 1122 | rxcp->ipv6 = |
| 1123 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); |
| 1124 | rxcp->rxq_idx = |
| 1125 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); |
| 1126 | rxcp->num_rcvd = |
| 1127 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); |
| 1128 | rxcp->pkt_type = |
| 1129 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); |
| 1130 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, compl); |
| 1131 | rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, compl); |
| 1132 | } |
| 1133 | |
| 1134 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) |
| 1135 | { |
| 1136 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); |
| 1137 | struct be_rx_compl_info *rxcp = &rxo->rxcp; |
| 1138 | struct be_adapter *adapter = rxo->adapter; |
| 1139 | |
| 1140 | /* For checking the valid bit it is Ok to use either definition as the |
| 1141 | * valid bit is at the same position in both v0 and v1 Rx compl */ |
| 1142 | 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] | 1143 | return NULL; |
| 1144 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1145 | rmb(); |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1146 | be_dws_le_to_cpu(compl, sizeof(*compl)); |
| 1147 | |
| 1148 | if (adapter->be3_native) |
| 1149 | be_parse_rx_compl_v1(adapter, compl, rxcp); |
| 1150 | else |
| 1151 | be_parse_rx_compl_v0(adapter, compl, rxcp); |
| 1152 | |
| 1153 | /* vlanf could be wrongly set in some cards. ignore if vtm is not set */ |
| 1154 | if ((adapter->function_mode & 0x400) && !rxcp->vtm) |
| 1155 | rxcp->vlanf = 0; |
| 1156 | |
| 1157 | if (!lancer_chip(adapter)) |
| 1158 | rxcp->vid = swab16(rxcp->vid); |
| 1159 | |
| 1160 | if ((adapter->pvid == rxcp->vid) && !adapter->vlan_tag[rxcp->vid]) |
| 1161 | rxcp->vlanf = 0; |
| 1162 | |
| 1163 | /* As the compl has been parsed, reset it; we wont touch it again */ |
| 1164 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1165 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1166 | queue_tail_inc(&rxo->cq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1167 | return rxcp; |
| 1168 | } |
| 1169 | |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1170 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1171 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1172 | u32 order = get_order(size); |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1173 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1174 | if (order > 0) |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1175 | gfp |= __GFP_COMP; |
| 1176 | return alloc_pages(gfp, order); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1177 | } |
| 1178 | |
| 1179 | /* |
| 1180 | * Allocate a page, split it to fragments of size rx_frag_size and post as |
| 1181 | * receive buffers to BE |
| 1182 | */ |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1183 | 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] | 1184 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1185 | struct be_adapter *adapter = rxo->adapter; |
| 1186 | struct be_rx_page_info *page_info_tbl = rxo->page_info_tbl; |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1187 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1188 | struct be_queue_info *rxq = &rxo->q; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1189 | struct page *pagep = NULL; |
| 1190 | struct be_eth_rx_d *rxd; |
| 1191 | u64 page_dmaaddr = 0, frag_dmaaddr; |
| 1192 | u32 posted, page_offset = 0; |
| 1193 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1194 | page_info = &rxo->page_info_tbl[rxq->head]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1195 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
| 1196 | if (!pagep) { |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1197 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1198 | if (unlikely(!pagep)) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1199 | rxo->stats.rx_post_fail++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1200 | break; |
| 1201 | } |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1202 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, |
| 1203 | 0, adapter->big_page_size, |
| 1204 | DMA_FROM_DEVICE); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1205 | page_info->page_offset = 0; |
| 1206 | } else { |
| 1207 | get_page(pagep); |
| 1208 | page_info->page_offset = page_offset + rx_frag_size; |
| 1209 | } |
| 1210 | page_offset = page_info->page_offset; |
| 1211 | page_info->page = pagep; |
FUJITA Tomonori | fac6da5 | 2010-04-01 16:53:22 +0000 | [diff] [blame] | 1212 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1213 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
| 1214 | |
| 1215 | rxd = queue_head_node(rxq); |
| 1216 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); |
| 1217 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1218 | |
| 1219 | /* Any space left in the current big page for another frag? */ |
| 1220 | if ((page_offset + rx_frag_size + rx_frag_size) > |
| 1221 | adapter->big_page_size) { |
| 1222 | pagep = NULL; |
| 1223 | page_info->last_page_user = true; |
| 1224 | } |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1225 | |
| 1226 | prev_page_info = page_info; |
| 1227 | queue_head_inc(rxq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1228 | page_info = &page_info_tbl[rxq->head]; |
| 1229 | } |
| 1230 | if (pagep) |
Sathya Perla | 26d92f9 | 2010-01-21 22:52:08 -0800 | [diff] [blame] | 1231 | prev_page_info->last_page_user = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1232 | |
| 1233 | if (posted) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1234 | atomic_add(posted, &rxq->used); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1235 | be_rxq_notify(adapter, rxq->id, posted); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1236 | } else if (atomic_read(&rxq->used) == 0) { |
| 1237 | /* Let be_worker replenish when memory is available */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1238 | rxo->rx_post_starved = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1239 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1240 | } |
| 1241 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1242 | 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] | 1243 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1244 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
| 1245 | |
| 1246 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) |
| 1247 | return NULL; |
| 1248 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1249 | rmb(); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1250 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
| 1251 | |
| 1252 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; |
| 1253 | |
| 1254 | queue_tail_inc(tx_cq); |
| 1255 | return txcp; |
| 1256 | } |
| 1257 | |
| 1258 | static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index) |
| 1259 | { |
| 1260 | struct be_queue_info *txq = &adapter->tx_obj.q; |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1261 | struct be_eth_wrb *wrb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1262 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
| 1263 | struct sk_buff *sent_skb; |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1264 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
| 1265 | bool unmap_skb_hdr = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1266 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1267 | sent_skb = sent_skbs[txq->tail]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1268 | BUG_ON(!sent_skb); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1269 | sent_skbs[txq->tail] = NULL; |
| 1270 | |
| 1271 | /* skip header wrb */ |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1272 | queue_tail_inc(txq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1273 | |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1274 | do { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1275 | cur_index = txq->tail; |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1276 | wrb = queue_tail_node(txq); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 1277 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
| 1278 | (unmap_skb_hdr && skb_headlen(sent_skb))); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1279 | unmap_skb_hdr = false; |
| 1280 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1281 | num_wrbs++; |
| 1282 | queue_tail_inc(txq); |
Sathya Perla | ec43b1a | 2010-03-22 20:41:34 +0000 | [diff] [blame] | 1283 | } while (cur_index != last_index); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1284 | |
| 1285 | atomic_sub(num_wrbs, &txq->used); |
Alexander Duyck | a73b796 | 2009-12-02 16:48:18 +0000 | [diff] [blame] | 1286 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1287 | kfree_skb(sent_skb); |
| 1288 | } |
| 1289 | |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1290 | static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj) |
| 1291 | { |
| 1292 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); |
| 1293 | |
| 1294 | if (!eqe->evt) |
| 1295 | return NULL; |
| 1296 | |
Sathya Perla | f3eb62d | 2010-06-29 00:11:17 +0000 | [diff] [blame] | 1297 | rmb(); |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1298 | eqe->evt = le32_to_cpu(eqe->evt); |
| 1299 | queue_tail_inc(&eq_obj->q); |
| 1300 | return eqe; |
| 1301 | } |
| 1302 | |
| 1303 | static int event_handle(struct be_adapter *adapter, |
| 1304 | struct be_eq_obj *eq_obj) |
| 1305 | { |
| 1306 | struct be_eq_entry *eqe; |
| 1307 | u16 num = 0; |
| 1308 | |
| 1309 | while ((eqe = event_get(eq_obj)) != NULL) { |
| 1310 | eqe->evt = 0; |
| 1311 | num++; |
| 1312 | } |
| 1313 | |
| 1314 | /* Deal with any spurious interrupts that come |
| 1315 | * without events |
| 1316 | */ |
| 1317 | be_eq_notify(adapter, eq_obj->q.id, true, true, num); |
| 1318 | if (num) |
| 1319 | napi_schedule(&eq_obj->napi); |
| 1320 | |
| 1321 | return num; |
| 1322 | } |
| 1323 | |
| 1324 | /* Just read and notify events without processing them. |
| 1325 | * Used at the time of destroying event queues */ |
| 1326 | static void be_eq_clean(struct be_adapter *adapter, |
| 1327 | struct be_eq_obj *eq_obj) |
| 1328 | { |
| 1329 | struct be_eq_entry *eqe; |
| 1330 | u16 num = 0; |
| 1331 | |
| 1332 | while ((eqe = event_get(eq_obj)) != NULL) { |
| 1333 | eqe->evt = 0; |
| 1334 | num++; |
| 1335 | } |
| 1336 | |
| 1337 | if (num) |
| 1338 | be_eq_notify(adapter, eq_obj->q.id, false, true, num); |
| 1339 | } |
| 1340 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1341 | static void be_rx_q_clean(struct be_adapter *adapter, struct be_rx_obj *rxo) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1342 | { |
| 1343 | struct be_rx_page_info *page_info; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1344 | struct be_queue_info *rxq = &rxo->q; |
| 1345 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1346 | struct be_rx_compl_info *rxcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1347 | u16 tail; |
| 1348 | |
| 1349 | /* First cleanup pending rx completions */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1350 | while ((rxcp = be_rx_compl_get(rxo)) != NULL) { |
| 1351 | be_rx_compl_discard(adapter, rxo, rxcp); |
Sathya Perla | 6464281 | 2010-12-01 01:04:17 +0000 | [diff] [blame] | 1352 | be_cq_notify(adapter, rx_cq->id, false, 1); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1353 | } |
| 1354 | |
| 1355 | /* Then free posted rx buffer that were not used */ |
| 1356 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; |
Sathya Perla | cdab23b | 2009-08-10 03:43:23 +0000 | [diff] [blame] | 1357 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1358 | page_info = get_rx_page_info(adapter, rxo, tail); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1359 | put_page(page_info->page); |
| 1360 | memset(page_info, 0, sizeof(*page_info)); |
| 1361 | } |
| 1362 | BUG_ON(atomic_read(&rxq->used)); |
| 1363 | } |
| 1364 | |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1365 | static void be_tx_compl_clean(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1366 | { |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1367 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1368 | struct be_queue_info *txq = &adapter->tx_obj.q; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1369 | struct be_eth_tx_compl *txcp; |
| 1370 | u16 end_idx, cmpl = 0, timeo = 0; |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1371 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
| 1372 | struct sk_buff *sent_skb; |
| 1373 | bool dummy_wrb; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1374 | |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1375 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ |
| 1376 | do { |
| 1377 | while ((txcp = be_tx_compl_get(tx_cq))) { |
| 1378 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, |
| 1379 | wrb_index, txcp); |
| 1380 | be_tx_compl_process(adapter, end_idx); |
| 1381 | cmpl++; |
| 1382 | } |
| 1383 | if (cmpl) { |
| 1384 | be_cq_notify(adapter, tx_cq->id, false, cmpl); |
| 1385 | cmpl = 0; |
| 1386 | } |
| 1387 | |
| 1388 | if (atomic_read(&txq->used) == 0 || ++timeo > 200) |
| 1389 | break; |
| 1390 | |
| 1391 | mdelay(1); |
| 1392 | } while (true); |
| 1393 | |
| 1394 | if (atomic_read(&txq->used)) |
| 1395 | dev_err(&adapter->pdev->dev, "%d pending tx-completions\n", |
| 1396 | atomic_read(&txq->used)); |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1397 | |
| 1398 | /* free posted tx for which compls will never arrive */ |
| 1399 | while (atomic_read(&txq->used)) { |
| 1400 | sent_skb = sent_skbs[txq->tail]; |
| 1401 | end_idx = txq->tail; |
| 1402 | index_adv(&end_idx, |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1403 | wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1, |
| 1404 | txq->len); |
Sathya Perla | b03388d | 2010-02-18 00:37:17 +0000 | [diff] [blame] | 1405 | be_tx_compl_process(adapter, end_idx); |
| 1406 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1407 | } |
| 1408 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1409 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
| 1410 | { |
| 1411 | struct be_queue_info *q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1412 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1413 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1414 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1415 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1416 | be_queue_free(adapter, q); |
| 1417 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1418 | q = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1419 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1420 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1421 | be_queue_free(adapter, q); |
| 1422 | } |
| 1423 | |
| 1424 | /* Must be called only after TX qs are created as MCC shares TX EQ */ |
| 1425 | static int be_mcc_queues_create(struct be_adapter *adapter) |
| 1426 | { |
| 1427 | struct be_queue_info *q, *cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1428 | |
| 1429 | /* Alloc MCC compl queue */ |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1430 | cq = &adapter->mcc_obj.cq; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1431 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
Sathya Perla | efd2e40 | 2009-07-27 22:53:10 +0000 | [diff] [blame] | 1432 | sizeof(struct be_mcc_compl))) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1433 | goto err; |
| 1434 | |
| 1435 | /* Ask BE to create MCC compl queue; share TX's eq */ |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1436 | if (be_cmd_cq_create(adapter, cq, &adapter->tx_eq.q, false, true, 0)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1437 | goto mcc_cq_free; |
| 1438 | |
| 1439 | /* Alloc MCC queue */ |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1440 | q = &adapter->mcc_obj.q; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1441 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
| 1442 | goto mcc_cq_destroy; |
| 1443 | |
| 1444 | /* Ask BE to create MCC queue */ |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1445 | if (be_cmd_mccq_create(adapter, q, cq)) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1446 | goto mcc_q_free; |
| 1447 | |
| 1448 | return 0; |
| 1449 | |
| 1450 | mcc_q_free: |
| 1451 | be_queue_free(adapter, q); |
| 1452 | mcc_cq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1453 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1454 | mcc_cq_free: |
| 1455 | be_queue_free(adapter, cq); |
| 1456 | err: |
| 1457 | return -1; |
| 1458 | } |
| 1459 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1460 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
| 1461 | { |
| 1462 | struct be_queue_info *q; |
| 1463 | |
| 1464 | q = &adapter->tx_obj.q; |
Sathya Perla | a8e9179 | 2009-08-10 03:42:43 +0000 | [diff] [blame] | 1465 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1466 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1467 | be_queue_free(adapter, q); |
| 1468 | |
| 1469 | q = &adapter->tx_obj.cq; |
| 1470 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1471 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1472 | be_queue_free(adapter, q); |
| 1473 | |
Sathya Perla | 859b1e4 | 2009-08-10 03:43:51 +0000 | [diff] [blame] | 1474 | /* Clear any residual events */ |
| 1475 | be_eq_clean(adapter, &adapter->tx_eq); |
| 1476 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1477 | q = &adapter->tx_eq.q; |
| 1478 | if (q->created) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1479 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1480 | be_queue_free(adapter, q); |
| 1481 | } |
| 1482 | |
| 1483 | static int be_tx_queues_create(struct be_adapter *adapter) |
| 1484 | { |
| 1485 | struct be_queue_info *eq, *q, *cq; |
| 1486 | |
| 1487 | adapter->tx_eq.max_eqd = 0; |
| 1488 | adapter->tx_eq.min_eqd = 0; |
| 1489 | adapter->tx_eq.cur_eqd = 96; |
| 1490 | adapter->tx_eq.enable_aic = false; |
| 1491 | /* Alloc Tx Event queue */ |
| 1492 | eq = &adapter->tx_eq.q; |
| 1493 | if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, sizeof(struct be_eq_entry))) |
| 1494 | return -1; |
| 1495 | |
| 1496 | /* Ask BE to create Tx Event queue */ |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1497 | if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd)) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1498 | goto tx_eq_free; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1499 | |
| 1500 | adapter->tx_eq.msix_vec_idx = adapter->msix_vec_next_idx++; |
| 1501 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1502 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1503 | /* Alloc TX eth compl queue */ |
| 1504 | cq = &adapter->tx_obj.cq; |
| 1505 | if (be_queue_alloc(adapter, cq, TX_CQ_LEN, |
| 1506 | sizeof(struct be_eth_tx_compl))) |
| 1507 | goto tx_eq_destroy; |
| 1508 | |
| 1509 | /* Ask BE to create Tx eth compl queue */ |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1510 | if (be_cmd_cq_create(adapter, cq, eq, false, false, 3)) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1511 | goto tx_cq_free; |
| 1512 | |
| 1513 | /* Alloc TX eth queue */ |
| 1514 | q = &adapter->tx_obj.q; |
| 1515 | if (be_queue_alloc(adapter, q, TX_Q_LEN, sizeof(struct be_eth_wrb))) |
| 1516 | goto tx_cq_destroy; |
| 1517 | |
| 1518 | /* Ask BE to create Tx eth queue */ |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1519 | if (be_cmd_txq_create(adapter, q, cq)) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1520 | goto tx_q_free; |
| 1521 | return 0; |
| 1522 | |
| 1523 | tx_q_free: |
| 1524 | be_queue_free(adapter, q); |
| 1525 | tx_cq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1526 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1527 | tx_cq_free: |
| 1528 | be_queue_free(adapter, cq); |
| 1529 | tx_eq_destroy: |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1530 | be_cmd_q_destroy(adapter, eq, QTYPE_EQ); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1531 | tx_eq_free: |
| 1532 | be_queue_free(adapter, eq); |
| 1533 | return -1; |
| 1534 | } |
| 1535 | |
| 1536 | static void be_rx_queues_destroy(struct be_adapter *adapter) |
| 1537 | { |
| 1538 | struct be_queue_info *q; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1539 | struct be_rx_obj *rxo; |
| 1540 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1541 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1542 | for_all_rx_queues(adapter, rxo, i) { |
| 1543 | q = &rxo->q; |
| 1544 | if (q->created) { |
| 1545 | be_cmd_q_destroy(adapter, q, QTYPE_RXQ); |
| 1546 | /* After the rxq is invalidated, wait for a grace time |
| 1547 | * of 1ms for all dma to end and the flush compl to |
| 1548 | * arrive |
| 1549 | */ |
| 1550 | mdelay(1); |
| 1551 | be_rx_q_clean(adapter, rxo); |
| 1552 | } |
| 1553 | be_queue_free(adapter, q); |
Sathya Perla | 8942042 | 2010-02-17 01:35:26 +0000 | [diff] [blame] | 1554 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1555 | q = &rxo->cq; |
| 1556 | if (q->created) |
| 1557 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
| 1558 | be_queue_free(adapter, q); |
| 1559 | |
| 1560 | /* Clear any residual events */ |
| 1561 | q = &rxo->rx_eq.q; |
| 1562 | if (q->created) { |
| 1563 | be_eq_clean(adapter, &rxo->rx_eq); |
| 1564 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); |
| 1565 | } |
| 1566 | be_queue_free(adapter, q); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1567 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1568 | } |
| 1569 | |
| 1570 | static int be_rx_queues_create(struct be_adapter *adapter) |
| 1571 | { |
| 1572 | struct be_queue_info *eq, *q, *cq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1573 | struct be_rx_obj *rxo; |
| 1574 | int rc, i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1575 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1576 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1577 | for_all_rx_queues(adapter, rxo, i) { |
| 1578 | rxo->adapter = adapter; |
| 1579 | rxo->rx_eq.max_eqd = BE_MAX_EQD; |
| 1580 | rxo->rx_eq.enable_aic = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1581 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1582 | /* EQ */ |
| 1583 | eq = &rxo->rx_eq.q; |
| 1584 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, |
| 1585 | sizeof(struct be_eq_entry)); |
| 1586 | if (rc) |
| 1587 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1588 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1589 | rc = be_cmd_eq_create(adapter, eq, rxo->rx_eq.cur_eqd); |
| 1590 | if (rc) |
| 1591 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1592 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1593 | rxo->rx_eq.msix_vec_idx = adapter->msix_vec_next_idx++; |
| 1594 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1595 | /* CQ */ |
| 1596 | cq = &rxo->cq; |
| 1597 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, |
| 1598 | sizeof(struct be_eth_rx_compl)); |
| 1599 | if (rc) |
| 1600 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1601 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1602 | rc = be_cmd_cq_create(adapter, cq, eq, false, false, 3); |
| 1603 | if (rc) |
| 1604 | goto err; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1605 | /* Rx Q */ |
| 1606 | q = &rxo->q; |
| 1607 | rc = be_queue_alloc(adapter, q, RX_Q_LEN, |
| 1608 | sizeof(struct be_eth_rx_d)); |
| 1609 | if (rc) |
| 1610 | goto err; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1611 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1612 | rc = be_cmd_rxq_create(adapter, q, cq->id, rx_frag_size, |
| 1613 | BE_MAX_JUMBO_FRAME_SIZE, adapter->if_handle, |
| 1614 | (i > 0) ? 1 : 0/* rss enable */, &rxo->rss_id); |
| 1615 | if (rc) |
| 1616 | goto err; |
| 1617 | } |
| 1618 | |
| 1619 | if (be_multi_rxq(adapter)) { |
| 1620 | u8 rsstable[MAX_RSS_QS]; |
| 1621 | |
| 1622 | for_all_rss_queues(adapter, rxo, i) |
| 1623 | rsstable[i] = rxo->rss_id; |
| 1624 | |
| 1625 | rc = be_cmd_rss_config(adapter, rsstable, |
| 1626 | adapter->num_rx_qs - 1); |
| 1627 | if (rc) |
| 1628 | goto err; |
| 1629 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1630 | |
| 1631 | return 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1632 | err: |
| 1633 | be_rx_queues_destroy(adapter); |
| 1634 | return -1; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1635 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1636 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1637 | static bool event_peek(struct be_eq_obj *eq_obj) |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 1638 | { |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1639 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); |
| 1640 | if (!eqe->evt) |
| 1641 | return false; |
| 1642 | else |
| 1643 | return true; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 1644 | } |
| 1645 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1646 | static irqreturn_t be_intx(int irq, void *dev) |
| 1647 | { |
| 1648 | struct be_adapter *adapter = dev; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1649 | struct be_rx_obj *rxo; |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1650 | int isr, i, tx = 0 , rx = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1651 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1652 | if (lancer_chip(adapter)) { |
| 1653 | if (event_peek(&adapter->tx_eq)) |
| 1654 | tx = event_handle(adapter, &adapter->tx_eq); |
| 1655 | for_all_rx_queues(adapter, rxo, i) { |
| 1656 | if (event_peek(&rxo->rx_eq)) |
| 1657 | rx |= event_handle(adapter, &rxo->rx_eq); |
| 1658 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1659 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1660 | if (!(tx || rx)) |
| 1661 | return IRQ_NONE; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1662 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1663 | } else { |
| 1664 | isr = ioread32(adapter->csr + CEV_ISR0_OFFSET + |
| 1665 | (adapter->tx_eq.q.id / 8) * CEV_ISR_SIZE); |
| 1666 | if (!isr) |
| 1667 | return IRQ_NONE; |
| 1668 | |
| 1669 | if ((1 << adapter->tx_eq.msix_vec_idx & isr)) |
| 1670 | event_handle(adapter, &adapter->tx_eq); |
| 1671 | |
| 1672 | for_all_rx_queues(adapter, rxo, i) { |
| 1673 | if ((1 << rxo->rx_eq.msix_vec_idx & isr)) |
| 1674 | event_handle(adapter, &rxo->rx_eq); |
| 1675 | } |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1676 | } |
Sathya Perla | c001c21 | 2009-07-01 01:06:07 +0000 | [diff] [blame] | 1677 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1678 | return IRQ_HANDLED; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1679 | } |
| 1680 | |
| 1681 | static irqreturn_t be_msix_rx(int irq, void *dev) |
| 1682 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1683 | struct be_rx_obj *rxo = dev; |
| 1684 | struct be_adapter *adapter = rxo->adapter; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1685 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1686 | event_handle(adapter, &rxo->rx_eq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1687 | |
| 1688 | return IRQ_HANDLED; |
| 1689 | } |
| 1690 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1691 | static irqreturn_t be_msix_tx_mcc(int irq, void *dev) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1692 | { |
| 1693 | struct be_adapter *adapter = dev; |
| 1694 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1695 | event_handle(adapter, &adapter->tx_eq); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1696 | |
| 1697 | return IRQ_HANDLED; |
| 1698 | } |
| 1699 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1700 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1701 | { |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1702 | return (rxcp->tcpf && !rxcp->err) ? true : false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1703 | } |
| 1704 | |
stephen hemminger | 49b0522 | 2010-10-21 07:50:48 +0000 | [diff] [blame] | 1705 | static int be_poll_rx(struct napi_struct *napi, int budget) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1706 | { |
| 1707 | struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1708 | struct be_rx_obj *rxo = container_of(rx_eq, struct be_rx_obj, rx_eq); |
| 1709 | struct be_adapter *adapter = rxo->adapter; |
| 1710 | struct be_queue_info *rx_cq = &rxo->cq; |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1711 | struct be_rx_compl_info *rxcp; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1712 | u32 work_done; |
| 1713 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1714 | rxo->stats.rx_polls++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1715 | for (work_done = 0; work_done < budget; work_done++) { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1716 | rxcp = be_rx_compl_get(rxo); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1717 | if (!rxcp) |
| 1718 | break; |
| 1719 | |
Padmanabh Ratnakar | e80d9da | 2011-03-07 03:07:58 +0000 | [diff] [blame] | 1720 | /* Ignore flush completions */ |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1721 | if (rxcp->num_rcvd) { |
| 1722 | if (do_gro(rxcp)) |
Sathya Perla | 6464281 | 2010-12-01 01:04:17 +0000 | [diff] [blame] | 1723 | be_rx_compl_process_gro(adapter, rxo, rxcp); |
| 1724 | else |
| 1725 | be_rx_compl_process(adapter, rxo, rxcp); |
| 1726 | } |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 1727 | be_rx_stats_update(rxo, rxcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1728 | } |
| 1729 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1730 | /* Refill the queue */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1731 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1732 | be_post_rx_frags(rxo, GFP_ATOMIC); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1733 | |
| 1734 | /* All consumed */ |
| 1735 | if (work_done < budget) { |
| 1736 | napi_complete(napi); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1737 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1738 | } else { |
| 1739 | /* More to be consumed; continue with interrupts disabled */ |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 1740 | be_cq_notify(adapter, rx_cq->id, false, work_done); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1741 | } |
| 1742 | return work_done; |
| 1743 | } |
| 1744 | |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 1745 | /* As TX and MCC share the same EQ check for both TX and MCC completions. |
| 1746 | * For TX/MCC we don't honour budget; consume everything |
| 1747 | */ |
| 1748 | static int be_poll_tx_mcc(struct napi_struct *napi, int budget) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1749 | { |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 1750 | struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi); |
| 1751 | struct be_adapter *adapter = |
| 1752 | container_of(tx_eq, struct be_adapter, tx_eq); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1753 | struct be_queue_info *txq = &adapter->tx_obj.q; |
| 1754 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1755 | struct be_eth_tx_compl *txcp; |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 1756 | int tx_compl = 0, mcc_compl, status = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1757 | u16 end_idx; |
| 1758 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1759 | while ((txcp = be_tx_compl_get(tx_cq))) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1760 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 1761 | wrb_index, txcp); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1762 | be_tx_compl_process(adapter, end_idx); |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 1763 | tx_compl++; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1764 | } |
| 1765 | |
Sathya Perla | f31e50a | 2010-03-02 03:56:39 -0800 | [diff] [blame] | 1766 | mcc_compl = be_process_mcc(adapter, &status); |
| 1767 | |
| 1768 | napi_complete(napi); |
| 1769 | |
| 1770 | if (mcc_compl) { |
| 1771 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; |
| 1772 | be_cq_notify(adapter, mcc_obj->cq.id, true, mcc_compl); |
| 1773 | } |
| 1774 | |
| 1775 | if (tx_compl) { |
| 1776 | be_cq_notify(adapter, adapter->tx_obj.cq.id, true, tx_compl); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1777 | |
| 1778 | /* As Tx wrbs have been freed up, wake up netdev queue if |
| 1779 | * it was stopped due to lack of tx wrbs. |
| 1780 | */ |
| 1781 | if (netif_queue_stopped(adapter->netdev) && |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1782 | atomic_read(&txq->used) < txq->len / 2) { |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 1783 | netif_wake_queue(adapter->netdev); |
| 1784 | } |
| 1785 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1786 | tx_stats(adapter)->be_tx_events++; |
| 1787 | tx_stats(adapter)->be_tx_compl += tx_compl; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1788 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1789 | |
| 1790 | return 1; |
| 1791 | } |
| 1792 | |
Ajit Khaparde | d053de9 | 2010-09-03 06:23:30 +0000 | [diff] [blame] | 1793 | void be_detect_dump_ue(struct be_adapter *adapter) |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 1794 | { |
| 1795 | u32 ue_status_lo, ue_status_hi, ue_status_lo_mask, ue_status_hi_mask; |
| 1796 | u32 i; |
| 1797 | |
| 1798 | pci_read_config_dword(adapter->pdev, |
| 1799 | PCICFG_UE_STATUS_LOW, &ue_status_lo); |
| 1800 | pci_read_config_dword(adapter->pdev, |
| 1801 | PCICFG_UE_STATUS_HIGH, &ue_status_hi); |
| 1802 | pci_read_config_dword(adapter->pdev, |
| 1803 | PCICFG_UE_STATUS_LOW_MASK, &ue_status_lo_mask); |
| 1804 | pci_read_config_dword(adapter->pdev, |
| 1805 | PCICFG_UE_STATUS_HI_MASK, &ue_status_hi_mask); |
| 1806 | |
| 1807 | ue_status_lo = (ue_status_lo & (~ue_status_lo_mask)); |
| 1808 | ue_status_hi = (ue_status_hi & (~ue_status_hi_mask)); |
| 1809 | |
Ajit Khaparde | d053de9 | 2010-09-03 06:23:30 +0000 | [diff] [blame] | 1810 | if (ue_status_lo || ue_status_hi) { |
| 1811 | adapter->ue_detected = true; |
Ajit Khaparde | 7acc208 | 2011-02-11 13:38:17 +0000 | [diff] [blame] | 1812 | adapter->eeh_err = true; |
Ajit Khaparde | d053de9 | 2010-09-03 06:23:30 +0000 | [diff] [blame] | 1813 | dev_err(&adapter->pdev->dev, "UE Detected!!\n"); |
| 1814 | } |
| 1815 | |
Ajit Khaparde | 7c18527 | 2010-07-29 06:16:33 +0000 | [diff] [blame] | 1816 | if (ue_status_lo) { |
| 1817 | for (i = 0; ue_status_lo; ue_status_lo >>= 1, i++) { |
| 1818 | if (ue_status_lo & 1) |
| 1819 | dev_err(&adapter->pdev->dev, |
| 1820 | "UE: %s bit set\n", ue_status_low_desc[i]); |
| 1821 | } |
| 1822 | } |
| 1823 | if (ue_status_hi) { |
| 1824 | for (i = 0; ue_status_hi; ue_status_hi >>= 1, i++) { |
| 1825 | if (ue_status_hi & 1) |
| 1826 | dev_err(&adapter->pdev->dev, |
| 1827 | "UE: %s bit set\n", ue_status_hi_desc[i]); |
| 1828 | } |
| 1829 | } |
| 1830 | |
| 1831 | } |
| 1832 | |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1833 | static void be_worker(struct work_struct *work) |
| 1834 | { |
| 1835 | struct be_adapter *adapter = |
| 1836 | container_of(work, struct be_adapter, work.work); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1837 | struct be_rx_obj *rxo; |
| 1838 | int i; |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1839 | |
Somnath Kotur | f203af7 | 2010-10-25 23:01:03 +0000 | [diff] [blame] | 1840 | /* when interrupts are not yet enabled, just reap any pending |
| 1841 | * mcc completions */ |
| 1842 | if (!netif_running(adapter->netdev)) { |
| 1843 | int mcc_compl, status = 0; |
| 1844 | |
| 1845 | mcc_compl = be_process_mcc(adapter, &status); |
| 1846 | |
| 1847 | if (mcc_compl) { |
| 1848 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; |
| 1849 | be_cq_notify(adapter, mcc_obj->cq.id, false, mcc_compl); |
| 1850 | } |
Ajit Khaparde | 9b037f3 | 2011-02-11 13:38:29 +0000 | [diff] [blame] | 1851 | |
| 1852 | if (!adapter->ue_detected && !lancer_chip(adapter)) |
| 1853 | be_detect_dump_ue(adapter); |
| 1854 | |
Somnath Kotur | f203af7 | 2010-10-25 23:01:03 +0000 | [diff] [blame] | 1855 | goto reschedule; |
| 1856 | } |
| 1857 | |
Ajit Khaparde | b2aebe6 | 2011-02-20 11:41:39 +0000 | [diff] [blame] | 1858 | if (!adapter->stats_cmd_sent) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1859 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1860 | |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1861 | be_tx_rate_update(adapter); |
Sathya Perla | 4097f66 | 2009-03-24 16:40:13 -0700 | [diff] [blame] | 1862 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1863 | for_all_rx_queues(adapter, rxo, i) { |
| 1864 | be_rx_rate_update(rxo); |
| 1865 | be_rx_eqd_update(adapter, rxo); |
| 1866 | |
| 1867 | if (rxo->rx_post_starved) { |
| 1868 | rxo->rx_post_starved = false; |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 1869 | be_post_rx_frags(rxo, GFP_KERNEL); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1870 | } |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1871 | } |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1872 | if (!adapter->ue_detected && !lancer_chip(adapter)) |
Ajit Khaparde | d053de9 | 2010-09-03 06:23:30 +0000 | [diff] [blame] | 1873 | be_detect_dump_ue(adapter); |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1874 | |
Somnath Kotur | f203af7 | 2010-10-25 23:01:03 +0000 | [diff] [blame] | 1875 | reschedule: |
Sathya Perla | ea1dae1 | 2009-03-19 23:56:20 -0700 | [diff] [blame] | 1876 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
| 1877 | } |
| 1878 | |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 1879 | static void be_msix_disable(struct be_adapter *adapter) |
| 1880 | { |
| 1881 | if (adapter->msix_enabled) { |
| 1882 | pci_disable_msix(adapter->pdev); |
| 1883 | adapter->msix_enabled = false; |
| 1884 | } |
| 1885 | } |
| 1886 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1887 | static int be_num_rxqs_get(struct be_adapter *adapter) |
| 1888 | { |
| 1889 | if (multi_rxq && (adapter->function_caps & BE_FUNCTION_CAPS_RSS) && |
| 1890 | !adapter->sriov_enabled && !(adapter->function_mode & 0x400)) { |
| 1891 | return 1 + MAX_RSS_QS; /* one default non-RSS queue */ |
| 1892 | } else { |
| 1893 | dev_warn(&adapter->pdev->dev, |
| 1894 | "No support for multiple RX queues\n"); |
| 1895 | return 1; |
| 1896 | } |
| 1897 | } |
| 1898 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1899 | static void be_msix_enable(struct be_adapter *adapter) |
| 1900 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1901 | #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */ |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1902 | int i, status; |
| 1903 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1904 | adapter->num_rx_qs = be_num_rxqs_get(adapter); |
| 1905 | |
| 1906 | for (i = 0; i < (adapter->num_rx_qs + 1); i++) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1907 | adapter->msix_entries[i].entry = i; |
| 1908 | |
| 1909 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1910 | adapter->num_rx_qs + 1); |
| 1911 | if (status == 0) { |
| 1912 | goto done; |
| 1913 | } else if (status >= BE_MIN_MSIX_VECTORS) { |
| 1914 | if (pci_enable_msix(adapter->pdev, adapter->msix_entries, |
| 1915 | status) == 0) { |
| 1916 | adapter->num_rx_qs = status - 1; |
| 1917 | dev_warn(&adapter->pdev->dev, |
| 1918 | "Could alloc only %d MSIx vectors. " |
| 1919 | "Using %d RX Qs\n", status, adapter->num_rx_qs); |
| 1920 | goto done; |
| 1921 | } |
| 1922 | } |
| 1923 | return; |
| 1924 | done: |
| 1925 | adapter->msix_enabled = true; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1926 | } |
| 1927 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1928 | static void be_sriov_enable(struct be_adapter *adapter) |
| 1929 | { |
Sarveshwar Bandi | 344dbf1 | 2010-07-09 01:43:55 +0000 | [diff] [blame] | 1930 | be_check_sriov_fn_type(adapter); |
Ajit Khaparde | 6dedec8 | 2010-07-29 06:15:32 +0000 | [diff] [blame] | 1931 | #ifdef CONFIG_PCI_IOV |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1932 | if (be_physfn(adapter) && num_vfs) { |
Ajit Khaparde | 6dedec8 | 2010-07-29 06:15:32 +0000 | [diff] [blame] | 1933 | int status; |
| 1934 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1935 | status = pci_enable_sriov(adapter->pdev, num_vfs); |
| 1936 | adapter->sriov_enabled = status ? false : true; |
| 1937 | } |
| 1938 | #endif |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 1939 | } |
| 1940 | |
| 1941 | static void be_sriov_disable(struct be_adapter *adapter) |
| 1942 | { |
| 1943 | #ifdef CONFIG_PCI_IOV |
| 1944 | if (adapter->sriov_enabled) { |
| 1945 | pci_disable_sriov(adapter->pdev); |
| 1946 | adapter->sriov_enabled = false; |
| 1947 | } |
| 1948 | #endif |
| 1949 | } |
| 1950 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1951 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
| 1952 | struct be_eq_obj *eq_obj) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1953 | { |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1954 | return adapter->msix_entries[eq_obj->msix_vec_idx].vector; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 1955 | } |
| 1956 | |
| 1957 | static int be_request_irq(struct be_adapter *adapter, |
| 1958 | struct be_eq_obj *eq_obj, |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1959 | void *handler, char *desc, void *context) |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 1960 | { |
| 1961 | struct net_device *netdev = adapter->netdev; |
| 1962 | int vec; |
| 1963 | |
| 1964 | sprintf(eq_obj->desc, "%s-%s", netdev->name, desc); |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1965 | vec = be_msix_vec_get(adapter, eq_obj); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1966 | return request_irq(vec, handler, 0, eq_obj->desc, context); |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 1967 | } |
| 1968 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1969 | static void be_free_irq(struct be_adapter *adapter, struct be_eq_obj *eq_obj, |
| 1970 | void *context) |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 1971 | { |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 1972 | int vec = be_msix_vec_get(adapter, eq_obj); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1973 | free_irq(vec, context); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1974 | } |
| 1975 | |
| 1976 | static int be_msix_register(struct be_adapter *adapter) |
| 1977 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1978 | struct be_rx_obj *rxo; |
| 1979 | int status, i; |
| 1980 | char qname[10]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1981 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1982 | status = be_request_irq(adapter, &adapter->tx_eq, be_msix_tx_mcc, "tx", |
| 1983 | adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1984 | if (status) |
| 1985 | goto err; |
| 1986 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1987 | for_all_rx_queues(adapter, rxo, i) { |
| 1988 | sprintf(qname, "rxq%d", i); |
| 1989 | status = be_request_irq(adapter, &rxo->rx_eq, be_msix_rx, |
| 1990 | qname, rxo); |
| 1991 | if (status) |
| 1992 | goto err_msix; |
| 1993 | } |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 1994 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1995 | return 0; |
Sathya Perla | b628bde | 2009-08-17 00:58:26 +0000 | [diff] [blame] | 1996 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 1997 | err_msix: |
| 1998 | be_free_irq(adapter, &adapter->tx_eq, adapter); |
| 1999 | |
| 2000 | for (i--, rxo = &adapter->rx_obj[i]; i >= 0; i--, rxo--) |
| 2001 | be_free_irq(adapter, &rxo->rx_eq, rxo); |
| 2002 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2003 | err: |
| 2004 | dev_warn(&adapter->pdev->dev, |
| 2005 | "MSIX Request IRQ failed - err %d\n", status); |
| 2006 | pci_disable_msix(adapter->pdev); |
| 2007 | adapter->msix_enabled = false; |
| 2008 | return status; |
| 2009 | } |
| 2010 | |
| 2011 | static int be_irq_register(struct be_adapter *adapter) |
| 2012 | { |
| 2013 | struct net_device *netdev = adapter->netdev; |
| 2014 | int status; |
| 2015 | |
| 2016 | if (adapter->msix_enabled) { |
| 2017 | status = be_msix_register(adapter); |
| 2018 | if (status == 0) |
| 2019 | goto done; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2020 | /* INTx is not supported for VF */ |
| 2021 | if (!be_physfn(adapter)) |
| 2022 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2023 | } |
| 2024 | |
| 2025 | /* INTx */ |
| 2026 | netdev->irq = adapter->pdev->irq; |
| 2027 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, |
| 2028 | adapter); |
| 2029 | if (status) { |
| 2030 | dev_err(&adapter->pdev->dev, |
| 2031 | "INTx request IRQ failed - err %d\n", status); |
| 2032 | return status; |
| 2033 | } |
| 2034 | done: |
| 2035 | adapter->isr_registered = true; |
| 2036 | return 0; |
| 2037 | } |
| 2038 | |
| 2039 | static void be_irq_unregister(struct be_adapter *adapter) |
| 2040 | { |
| 2041 | struct net_device *netdev = adapter->netdev; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2042 | struct be_rx_obj *rxo; |
| 2043 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2044 | |
| 2045 | if (!adapter->isr_registered) |
| 2046 | return; |
| 2047 | |
| 2048 | /* INTx */ |
| 2049 | if (!adapter->msix_enabled) { |
| 2050 | free_irq(netdev->irq, adapter); |
| 2051 | goto done; |
| 2052 | } |
| 2053 | |
| 2054 | /* MSIx */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2055 | be_free_irq(adapter, &adapter->tx_eq, adapter); |
| 2056 | |
| 2057 | for_all_rx_queues(adapter, rxo, i) |
| 2058 | be_free_irq(adapter, &rxo->rx_eq, rxo); |
| 2059 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2060 | done: |
| 2061 | adapter->isr_registered = false; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2062 | } |
| 2063 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2064 | static int be_close(struct net_device *netdev) |
| 2065 | { |
| 2066 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2067 | struct be_rx_obj *rxo; |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2068 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2069 | int vec, i; |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2070 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2071 | be_async_mcc_disable(adapter); |
| 2072 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2073 | netif_carrier_off(netdev); |
| 2074 | adapter->link_up = false; |
| 2075 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2076 | if (!lancer_chip(adapter)) |
| 2077 | be_intr_set(adapter, false); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2078 | |
Padmanabh Ratnakar | 63fcb27 | 2011-03-07 03:09:17 +0000 | [diff] [blame] | 2079 | for_all_rx_queues(adapter, rxo, i) |
| 2080 | napi_disable(&rxo->rx_eq.napi); |
| 2081 | |
| 2082 | napi_disable(&tx_eq->napi); |
| 2083 | |
| 2084 | if (lancer_chip(adapter)) { |
| 2085 | be_cq_notify(adapter, adapter->tx_obj.cq.id, false, 0); |
| 2086 | be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0); |
| 2087 | for_all_rx_queues(adapter, rxo, i) |
| 2088 | be_cq_notify(adapter, rxo->cq.id, false, 0); |
| 2089 | } |
| 2090 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2091 | if (adapter->msix_enabled) { |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2092 | vec = be_msix_vec_get(adapter, tx_eq); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2093 | synchronize_irq(vec); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2094 | |
| 2095 | for_all_rx_queues(adapter, rxo, i) { |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2096 | vec = be_msix_vec_get(adapter, &rxo->rx_eq); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2097 | synchronize_irq(vec); |
| 2098 | } |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2099 | } else { |
| 2100 | synchronize_irq(netdev->irq); |
| 2101 | } |
| 2102 | be_irq_unregister(adapter); |
| 2103 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2104 | /* Wait for all pending tx completions to arrive so that |
| 2105 | * all tx skbs are freed. |
| 2106 | */ |
| 2107 | be_tx_compl_clean(adapter); |
| 2108 | |
| 2109 | return 0; |
| 2110 | } |
| 2111 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2112 | static int be_open(struct net_device *netdev) |
| 2113 | { |
| 2114 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2115 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2116 | struct be_rx_obj *rxo; |
Sathya Perla | a8f447bd | 2009-06-18 00:10:27 +0000 | [diff] [blame] | 2117 | bool link_up; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2118 | int status, i; |
Sarveshwar Bandi | 0388f25 | 2009-10-28 04:15:20 -0700 | [diff] [blame] | 2119 | u8 mac_speed; |
| 2120 | u16 link_speed; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2121 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2122 | for_all_rx_queues(adapter, rxo, i) { |
Eric Dumazet | 1829b08 | 2011-03-01 05:48:12 +0000 | [diff] [blame] | 2123 | be_post_rx_frags(rxo, GFP_KERNEL); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2124 | napi_enable(&rxo->rx_eq.napi); |
| 2125 | } |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2126 | napi_enable(&tx_eq->napi); |
| 2127 | |
| 2128 | be_irq_register(adapter); |
| 2129 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2130 | if (!lancer_chip(adapter)) |
| 2131 | be_intr_set(adapter, true); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2132 | |
| 2133 | /* The evt queues are created in unarmed state; arm them */ |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2134 | for_all_rx_queues(adapter, rxo, i) { |
| 2135 | be_eq_notify(adapter, rxo->rx_eq.q.id, true, false, 0); |
| 2136 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
| 2137 | } |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2138 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2139 | |
Sathya Perla | 7a1e9b2 | 2010-02-17 01:35:11 +0000 | [diff] [blame] | 2140 | /* Now that interrupts are on we can process async mcc */ |
| 2141 | be_async_mcc_enable(adapter); |
| 2142 | |
Sarveshwar Bandi | 0388f25 | 2009-10-28 04:15:20 -0700 | [diff] [blame] | 2143 | status = be_cmd_link_status_query(adapter, &link_up, &mac_speed, |
| 2144 | &link_speed); |
Sathya Perla | a8f447bd | 2009-06-18 00:10:27 +0000 | [diff] [blame] | 2145 | if (status) |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2146 | goto err; |
Sathya Perla | a8f447bd | 2009-06-18 00:10:27 +0000 | [diff] [blame] | 2147 | be_link_status_update(adapter, link_up); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2148 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2149 | if (be_physfn(adapter)) { |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 2150 | status = be_vid_config(adapter, false, 0); |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2151 | if (status) |
| 2152 | goto err; |
| 2153 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2154 | status = be_cmd_set_flow_control(adapter, |
| 2155 | adapter->tx_fc, adapter->rx_fc); |
| 2156 | if (status) |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2157 | goto err; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2158 | } |
Ajit Khaparde | 4f2aa89 | 2009-11-06 02:07:32 +0000 | [diff] [blame] | 2159 | |
Sathya Perla | 889cd4b | 2010-05-30 23:33:45 +0000 | [diff] [blame] | 2160 | return 0; |
| 2161 | err: |
| 2162 | be_close(adapter->netdev); |
| 2163 | return -EIO; |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2164 | } |
| 2165 | |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2166 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
| 2167 | { |
| 2168 | struct be_dma_mem cmd; |
| 2169 | int status = 0; |
| 2170 | u8 mac[ETH_ALEN]; |
| 2171 | |
| 2172 | memset(mac, 0, ETH_ALEN); |
| 2173 | |
| 2174 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2175 | cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
| 2176 | GFP_KERNEL); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2177 | if (cmd.va == NULL) |
| 2178 | return -1; |
| 2179 | memset(cmd.va, 0, cmd.size); |
| 2180 | |
| 2181 | if (enable) { |
| 2182 | status = pci_write_config_dword(adapter->pdev, |
| 2183 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); |
| 2184 | if (status) { |
| 2185 | dev_err(&adapter->pdev->dev, |
Frans Pop | 2381a55 | 2010-03-24 07:57:36 +0000 | [diff] [blame] | 2186 | "Could not enable Wake-on-lan\n"); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2187 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
| 2188 | cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2189 | return status; |
| 2190 | } |
| 2191 | status = be_cmd_enable_magic_wol(adapter, |
| 2192 | adapter->netdev->dev_addr, &cmd); |
| 2193 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); |
| 2194 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); |
| 2195 | } else { |
| 2196 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); |
| 2197 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); |
| 2198 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); |
| 2199 | } |
| 2200 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2201 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 2202 | return status; |
| 2203 | } |
| 2204 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2205 | /* |
| 2206 | * Generate a seed MAC address from the PF MAC Address using jhash. |
| 2207 | * MAC Address for VFs are assigned incrementally starting from the seed. |
| 2208 | * These addresses are programmed in the ASIC by the PF and the VF driver |
| 2209 | * queries for the MAC address during its probe. |
| 2210 | */ |
| 2211 | static inline int be_vf_eth_addr_config(struct be_adapter *adapter) |
| 2212 | { |
| 2213 | u32 vf = 0; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2214 | int status = 0; |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2215 | u8 mac[ETH_ALEN]; |
| 2216 | |
| 2217 | be_vf_eth_addr_generate(adapter, mac); |
| 2218 | |
| 2219 | for (vf = 0; vf < num_vfs; vf++) { |
| 2220 | status = be_cmd_pmac_add(adapter, mac, |
| 2221 | adapter->vf_cfg[vf].vf_if_handle, |
Ajit Khaparde | f8617e0 | 2011-02-11 13:36:37 +0000 | [diff] [blame] | 2222 | &adapter->vf_cfg[vf].vf_pmac_id, |
| 2223 | vf + 1); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2224 | if (status) |
| 2225 | dev_err(&adapter->pdev->dev, |
| 2226 | "Mac address add failed for VF %d\n", vf); |
| 2227 | else |
| 2228 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); |
| 2229 | |
| 2230 | mac[5] += 1; |
| 2231 | } |
| 2232 | return status; |
| 2233 | } |
| 2234 | |
| 2235 | static inline void be_vf_eth_addr_rem(struct be_adapter *adapter) |
| 2236 | { |
| 2237 | u32 vf; |
| 2238 | |
| 2239 | for (vf = 0; vf < num_vfs; vf++) { |
| 2240 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) |
| 2241 | be_cmd_pmac_del(adapter, |
| 2242 | adapter->vf_cfg[vf].vf_if_handle, |
Ajit Khaparde | f8617e0 | 2011-02-11 13:36:37 +0000 | [diff] [blame] | 2243 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2244 | } |
| 2245 | } |
| 2246 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2247 | static int be_setup(struct be_adapter *adapter) |
| 2248 | { |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2249 | struct net_device *netdev = adapter->netdev; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2250 | u32 cap_flags, en_flags, vf = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2251 | int status; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2252 | u8 mac[ETH_ALEN]; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2253 | |
Padmanabh Ratnakar | f21b538 | 2011-03-07 03:09:36 +0000 | [diff] [blame] | 2254 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | |
| 2255 | BE_IF_FLAGS_BROADCAST | |
| 2256 | BE_IF_FLAGS_MULTICAST; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2257 | |
| 2258 | if (be_physfn(adapter)) { |
| 2259 | cap_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS | |
| 2260 | BE_IF_FLAGS_PROMISCUOUS | |
| 2261 | BE_IF_FLAGS_PASS_L3L4_ERRORS; |
| 2262 | en_flags |= BE_IF_FLAGS_PASS_L3L4_ERRORS; |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2263 | |
| 2264 | if (be_multi_rxq(adapter)) { |
| 2265 | cap_flags |= BE_IF_FLAGS_RSS; |
| 2266 | en_flags |= BE_IF_FLAGS_RSS; |
| 2267 | } |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2268 | } |
Sathya Perla | 73d540f | 2009-10-14 20:20:42 +0000 | [diff] [blame] | 2269 | |
| 2270 | status = be_cmd_if_create(adapter, cap_flags, en_flags, |
| 2271 | netdev->dev_addr, false/* pmac_invalid */, |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2272 | &adapter->if_handle, &adapter->pmac_id, 0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2273 | if (status != 0) |
| 2274 | goto do_none; |
| 2275 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2276 | if (be_physfn(adapter)) { |
Ajit Khaparde | c99ac3e | 2011-02-11 13:35:02 +0000 | [diff] [blame] | 2277 | if (adapter->sriov_enabled) { |
| 2278 | while (vf < num_vfs) { |
| 2279 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | |
| 2280 | BE_IF_FLAGS_BROADCAST; |
| 2281 | status = be_cmd_if_create(adapter, cap_flags, |
| 2282 | en_flags, mac, true, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 2283 | &adapter->vf_cfg[vf].vf_if_handle, |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2284 | NULL, vf+1); |
Ajit Khaparde | c99ac3e | 2011-02-11 13:35:02 +0000 | [diff] [blame] | 2285 | if (status) { |
| 2286 | dev_err(&adapter->pdev->dev, |
| 2287 | "Interface Create failed for VF %d\n", |
| 2288 | vf); |
| 2289 | goto if_destroy; |
| 2290 | } |
| 2291 | adapter->vf_cfg[vf].vf_pmac_id = |
| 2292 | BE_INVALID_PMAC_ID; |
| 2293 | vf++; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2294 | } |
Sarveshwar Bandi | 84e5b9f | 2010-05-27 16:28:15 -0700 | [diff] [blame] | 2295 | } |
Ajit Khaparde | c99ac3e | 2011-02-11 13:35:02 +0000 | [diff] [blame] | 2296 | } else { |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2297 | status = be_cmd_mac_addr_query(adapter, mac, |
| 2298 | MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); |
| 2299 | if (!status) { |
| 2300 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); |
| 2301 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); |
| 2302 | } |
| 2303 | } |
| 2304 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2305 | status = be_tx_queues_create(adapter); |
| 2306 | if (status != 0) |
| 2307 | goto if_destroy; |
| 2308 | |
| 2309 | status = be_rx_queues_create(adapter); |
| 2310 | if (status != 0) |
| 2311 | goto tx_qs_destroy; |
| 2312 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2313 | status = be_mcc_queues_create(adapter); |
| 2314 | if (status != 0) |
| 2315 | goto rx_qs_destroy; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2316 | |
Ajit Khaparde | 0dffc83 | 2009-11-29 17:57:46 +0000 | [diff] [blame] | 2317 | adapter->link_speed = -1; |
| 2318 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2319 | return 0; |
| 2320 | |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2321 | be_mcc_queues_destroy(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2322 | rx_qs_destroy: |
| 2323 | be_rx_queues_destroy(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2324 | tx_qs_destroy: |
| 2325 | be_tx_queues_destroy(adapter); |
| 2326 | if_destroy: |
Ajit Khaparde | c99ac3e | 2011-02-11 13:35:02 +0000 | [diff] [blame] | 2327 | if (be_physfn(adapter) && adapter->sriov_enabled) |
| 2328 | for (vf = 0; vf < num_vfs; vf++) |
| 2329 | if (adapter->vf_cfg[vf].vf_if_handle) |
| 2330 | be_cmd_if_destroy(adapter, |
Ajit Khaparde | 658681f | 2011-02-11 13:34:46 +0000 | [diff] [blame] | 2331 | adapter->vf_cfg[vf].vf_if_handle, |
| 2332 | vf + 1); |
| 2333 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2334 | do_none: |
| 2335 | return status; |
| 2336 | } |
| 2337 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2338 | static int be_clear(struct be_adapter *adapter) |
| 2339 | { |
Ajit Khaparde | 7ab8b0b | 2011-02-11 13:35:56 +0000 | [diff] [blame] | 2340 | int vf; |
| 2341 | |
Ajit Khaparde | c99ac3e | 2011-02-11 13:35:02 +0000 | [diff] [blame] | 2342 | if (be_physfn(adapter) && adapter->sriov_enabled) |
Ajit Khaparde | 6d87f5c | 2010-08-25 00:32:33 +0000 | [diff] [blame] | 2343 | be_vf_eth_addr_rem(adapter); |
| 2344 | |
Sathya Perla | 1a8887d | 2009-08-17 00:58:41 +0000 | [diff] [blame] | 2345 | be_mcc_queues_destroy(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2346 | be_rx_queues_destroy(adapter); |
| 2347 | be_tx_queues_destroy(adapter); |
| 2348 | |
Ajit Khaparde | 7ab8b0b | 2011-02-11 13:35:56 +0000 | [diff] [blame] | 2349 | if (be_physfn(adapter) && adapter->sriov_enabled) |
| 2350 | for (vf = 0; vf < num_vfs; vf++) |
| 2351 | if (adapter->vf_cfg[vf].vf_if_handle) |
| 2352 | be_cmd_if_destroy(adapter, |
| 2353 | adapter->vf_cfg[vf].vf_if_handle, |
| 2354 | vf + 1); |
| 2355 | |
Ajit Khaparde | 658681f | 2011-02-11 13:34:46 +0000 | [diff] [blame] | 2356 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2357 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 2358 | /* tell fw we're done with firing cmds */ |
| 2359 | be_cmd_fw_clean(adapter); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2360 | return 0; |
| 2361 | } |
| 2362 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2363 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2364 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 2365 | static bool be_flash_redboot(struct be_adapter *adapter, |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2366 | const u8 *p, u32 img_start, int image_size, |
| 2367 | int hdr_size) |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 2368 | { |
| 2369 | u32 crc_offset; |
| 2370 | u8 flashed_crc[4]; |
| 2371 | int status; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2372 | |
| 2373 | crc_offset = hdr_size + img_start + image_size - 4; |
| 2374 | |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 2375 | p += crc_offset; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2376 | |
| 2377 | status = be_cmd_get_flash_crc(adapter, flashed_crc, |
Ajit Khaparde | f510fc6 | 2010-03-31 01:47:45 +0000 | [diff] [blame] | 2378 | (image_size - 4)); |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 2379 | if (status) { |
| 2380 | dev_err(&adapter->pdev->dev, |
| 2381 | "could not get crc from flash, not flashing redboot\n"); |
| 2382 | return false; |
| 2383 | } |
| 2384 | |
| 2385 | /*update redboot only if crc does not match*/ |
| 2386 | if (!memcmp(flashed_crc, p, 4)) |
| 2387 | return false; |
| 2388 | else |
| 2389 | return true; |
Sarveshwar Bandi | fa9a6fe | 2009-11-20 14:23:47 -0800 | [diff] [blame] | 2390 | } |
| 2391 | |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2392 | static int be_flash_data(struct be_adapter *adapter, |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2393 | const struct firmware *fw, |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2394 | struct be_dma_mem *flash_cmd, int num_of_images) |
| 2395 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2396 | { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2397 | int status = 0, i, filehdr_size = 0; |
| 2398 | u32 total_bytes = 0, flash_op; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2399 | int num_bytes; |
| 2400 | const u8 *p = fw->data; |
| 2401 | struct be_cmd_write_flashrom *req = flash_cmd->va; |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 2402 | const struct flash_comp *pflashcomp; |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 2403 | int num_comp; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2404 | |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 2405 | static const struct flash_comp gen3_flash_types[9] = { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2406 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE, |
| 2407 | FLASH_IMAGE_MAX_SIZE_g3}, |
| 2408 | { FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT, |
| 2409 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3}, |
| 2410 | { FLASH_iSCSI_BIOS_START_g3, IMG_TYPE_BIOS, |
| 2411 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, |
| 2412 | { FLASH_PXE_BIOS_START_g3, IMG_TYPE_PXE_BIOS, |
| 2413 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, |
| 2414 | { FLASH_FCoE_BIOS_START_g3, IMG_TYPE_FCOE_BIOS, |
| 2415 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, |
| 2416 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, IMG_TYPE_ISCSI_BACKUP, |
| 2417 | FLASH_IMAGE_MAX_SIZE_g3}, |
| 2418 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, IMG_TYPE_FCOE_FW_ACTIVE, |
| 2419 | FLASH_IMAGE_MAX_SIZE_g3}, |
| 2420 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP, |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 2421 | FLASH_IMAGE_MAX_SIZE_g3}, |
| 2422 | { FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW, |
| 2423 | FLASH_NCSI_IMAGE_MAX_SIZE_g3} |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2424 | }; |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 2425 | static const struct flash_comp gen2_flash_types[8] = { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2426 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE, |
| 2427 | FLASH_IMAGE_MAX_SIZE_g2}, |
| 2428 | { FLASH_REDBOOT_START_g2, IMG_TYPE_REDBOOT, |
| 2429 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2}, |
| 2430 | { FLASH_iSCSI_BIOS_START_g2, IMG_TYPE_BIOS, |
| 2431 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, |
| 2432 | { FLASH_PXE_BIOS_START_g2, IMG_TYPE_PXE_BIOS, |
| 2433 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, |
| 2434 | { FLASH_FCoE_BIOS_START_g2, IMG_TYPE_FCOE_BIOS, |
| 2435 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, |
| 2436 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, IMG_TYPE_ISCSI_BACKUP, |
| 2437 | FLASH_IMAGE_MAX_SIZE_g2}, |
| 2438 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, IMG_TYPE_FCOE_FW_ACTIVE, |
| 2439 | FLASH_IMAGE_MAX_SIZE_g2}, |
| 2440 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, IMG_TYPE_FCOE_FW_BACKUP, |
| 2441 | FLASH_IMAGE_MAX_SIZE_g2} |
| 2442 | }; |
| 2443 | |
| 2444 | if (adapter->generation == BE_GEN3) { |
| 2445 | pflashcomp = gen3_flash_types; |
| 2446 | filehdr_size = sizeof(struct flash_file_hdr_g3); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 2447 | num_comp = ARRAY_SIZE(gen3_flash_types); |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2448 | } else { |
| 2449 | pflashcomp = gen2_flash_types; |
| 2450 | filehdr_size = sizeof(struct flash_file_hdr_g2); |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 2451 | num_comp = ARRAY_SIZE(gen2_flash_types); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2452 | } |
Sarveshwar Bandi | 9fe9693 | 2010-03-02 22:37:28 +0000 | [diff] [blame] | 2453 | for (i = 0; i < num_comp; i++) { |
| 2454 | if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) && |
| 2455 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) |
| 2456 | continue; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2457 | if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) && |
| 2458 | (!be_flash_redboot(adapter, fw->data, |
Ajit Khaparde | fae21a4 | 2011-02-11 13:37:42 +0000 | [diff] [blame] | 2459 | pflashcomp[i].offset, pflashcomp[i].size, filehdr_size + |
| 2460 | (num_of_images * sizeof(struct image_hdr))))) |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2461 | continue; |
| 2462 | p = fw->data; |
| 2463 | p += filehdr_size + pflashcomp[i].offset |
| 2464 | + (num_of_images * sizeof(struct image_hdr)); |
| 2465 | if (p + pflashcomp[i].size > fw->data + fw->size) |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2466 | return -1; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2467 | total_bytes = pflashcomp[i].size; |
| 2468 | while (total_bytes) { |
| 2469 | if (total_bytes > 32*1024) |
| 2470 | num_bytes = 32*1024; |
| 2471 | else |
| 2472 | num_bytes = total_bytes; |
| 2473 | total_bytes -= num_bytes; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2474 | |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2475 | if (!total_bytes) |
| 2476 | flash_op = FLASHROM_OPER_FLASH; |
| 2477 | else |
| 2478 | flash_op = FLASHROM_OPER_SAVE; |
| 2479 | memcpy(req->params.data_buf, p, num_bytes); |
| 2480 | p += num_bytes; |
| 2481 | status = be_cmd_write_flashrom(adapter, flash_cmd, |
| 2482 | pflashcomp[i].optype, flash_op, num_bytes); |
| 2483 | if (status) { |
| 2484 | dev_err(&adapter->pdev->dev, |
| 2485 | "cmd to write to flash rom failed.\n"); |
| 2486 | return -1; |
| 2487 | } |
| 2488 | yield(); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2489 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2490 | } |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2491 | return 0; |
| 2492 | } |
| 2493 | |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2494 | static int get_ufigen_type(struct flash_file_hdr_g2 *fhdr) |
| 2495 | { |
| 2496 | if (fhdr == NULL) |
| 2497 | return 0; |
| 2498 | if (fhdr->build[0] == '3') |
| 2499 | return BE_GEN3; |
| 2500 | else if (fhdr->build[0] == '2') |
| 2501 | return BE_GEN2; |
| 2502 | else |
| 2503 | return 0; |
| 2504 | } |
| 2505 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2506 | int be_load_fw(struct be_adapter *adapter, u8 *func) |
| 2507 | { |
| 2508 | char fw_file[ETHTOOL_FLASH_MAX_FILENAME]; |
| 2509 | const struct firmware *fw; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2510 | struct flash_file_hdr_g2 *fhdr; |
| 2511 | struct flash_file_hdr_g3 *fhdr3; |
| 2512 | struct image_hdr *img_hdr_ptr = NULL; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2513 | struct be_dma_mem flash_cmd; |
Ajit Khaparde | 8b93b71 | 2010-03-31 01:57:10 +0000 | [diff] [blame] | 2514 | int status, i = 0, num_imgs = 0; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2515 | const u8 *p; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2516 | |
Sarveshwar Bandi | d9efd2a | 2010-11-18 23:44:45 +0000 | [diff] [blame] | 2517 | if (!netif_running(adapter->netdev)) { |
| 2518 | dev_err(&adapter->pdev->dev, |
| 2519 | "Firmware load not allowed (interface is down)\n"); |
| 2520 | return -EPERM; |
| 2521 | } |
| 2522 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2523 | strcpy(fw_file, func); |
| 2524 | |
| 2525 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); |
| 2526 | if (status) |
| 2527 | goto fw_exit; |
| 2528 | |
| 2529 | p = fw->data; |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2530 | fhdr = (struct flash_file_hdr_g2 *) p; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2531 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
| 2532 | |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2533 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom) + 32*1024; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2534 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
| 2535 | &flash_cmd.dma, GFP_KERNEL); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2536 | if (!flash_cmd.va) { |
| 2537 | status = -ENOMEM; |
| 2538 | dev_err(&adapter->pdev->dev, |
| 2539 | "Memory allocation failure while flashing\n"); |
| 2540 | goto fw_exit; |
| 2541 | } |
| 2542 | |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2543 | if ((adapter->generation == BE_GEN3) && |
| 2544 | (get_ufigen_type(fhdr) == BE_GEN3)) { |
| 2545 | fhdr3 = (struct flash_file_hdr_g3 *) fw->data; |
Ajit Khaparde | 8b93b71 | 2010-03-31 01:57:10 +0000 | [diff] [blame] | 2546 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
| 2547 | for (i = 0; i < num_imgs; i++) { |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2548 | img_hdr_ptr = (struct image_hdr *) (fw->data + |
| 2549 | (sizeof(struct flash_file_hdr_g3) + |
Ajit Khaparde | 8b93b71 | 2010-03-31 01:57:10 +0000 | [diff] [blame] | 2550 | i * sizeof(struct image_hdr))); |
| 2551 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) |
| 2552 | status = be_flash_data(adapter, fw, &flash_cmd, |
| 2553 | num_imgs); |
Ajit Khaparde | 3f0d456 | 2010-02-09 01:30:35 +0000 | [diff] [blame] | 2554 | } |
| 2555 | } else if ((adapter->generation == BE_GEN2) && |
| 2556 | (get_ufigen_type(fhdr) == BE_GEN2)) { |
| 2557 | status = be_flash_data(adapter, fw, &flash_cmd, 0); |
| 2558 | } else { |
| 2559 | dev_err(&adapter->pdev->dev, |
| 2560 | "UFI and Interface are not compatible for flashing\n"); |
| 2561 | status = -1; |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2562 | } |
| 2563 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2564 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
| 2565 | flash_cmd.dma); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2566 | if (status) { |
| 2567 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); |
| 2568 | goto fw_exit; |
| 2569 | } |
| 2570 | |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 2571 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
Ajit Khaparde | 8451748 | 2009-09-04 03:12:16 +0000 | [diff] [blame] | 2572 | |
| 2573 | fw_exit: |
| 2574 | release_firmware(fw); |
| 2575 | return status; |
| 2576 | } |
| 2577 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2578 | static struct net_device_ops be_netdev_ops = { |
| 2579 | .ndo_open = be_open, |
| 2580 | .ndo_stop = be_close, |
| 2581 | .ndo_start_xmit = be_xmit, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2582 | .ndo_set_rx_mode = be_set_multicast_list, |
| 2583 | .ndo_set_mac_address = be_mac_addr_set, |
| 2584 | .ndo_change_mtu = be_change_mtu, |
| 2585 | .ndo_validate_addr = eth_validate_addr, |
| 2586 | .ndo_vlan_rx_register = be_vlan_register, |
| 2587 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
| 2588 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 2589 | .ndo_set_vf_mac = be_set_vf_mac, |
Ajit Khaparde | 1da87b7 | 2010-07-23 01:51:22 +0000 | [diff] [blame] | 2590 | .ndo_set_vf_vlan = be_set_vf_vlan, |
Ajit Khaparde | e1d1873 | 2010-07-23 01:52:13 +0000 | [diff] [blame] | 2591 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
Ajit Khaparde | 64600ea | 2010-07-23 01:50:34 +0000 | [diff] [blame] | 2592 | .ndo_get_vf_config = be_get_vf_config |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2593 | }; |
| 2594 | |
| 2595 | static void be_netdev_init(struct net_device *netdev) |
| 2596 | { |
| 2597 | struct be_adapter *adapter = netdev_priv(netdev); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2598 | struct be_rx_obj *rxo; |
| 2599 | int i; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2600 | |
| 2601 | netdev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_RX | NETIF_F_TSO | |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 2602 | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | |
| 2603 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
Ajit Khaparde | 49e4b847 | 2010-06-14 04:56:07 +0000 | [diff] [blame] | 2604 | NETIF_F_GRO | NETIF_F_TSO6; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2605 | |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 2606 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | |
| 2607 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
Ajit Khaparde | 51c5987 | 2009-11-29 17:54:54 +0000 | [diff] [blame] | 2608 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2609 | if (lancer_chip(adapter)) |
| 2610 | netdev->vlan_features |= NETIF_F_TSO6; |
| 2611 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2612 | netdev->flags |= IFF_MULTICAST; |
| 2613 | |
Ajit Khaparde | 728a997 | 2009-04-13 15:41:22 -0700 | [diff] [blame] | 2614 | adapter->rx_csum = true; |
| 2615 | |
Ajit Khaparde | 9e90c96 | 2009-11-06 02:06:59 +0000 | [diff] [blame] | 2616 | /* Default settings for Rx and Tx flow control */ |
| 2617 | adapter->rx_fc = true; |
| 2618 | adapter->tx_fc = true; |
| 2619 | |
Ajit Khaparde | c190e3c | 2009-09-04 03:12:29 +0000 | [diff] [blame] | 2620 | netif_set_gso_max_size(netdev, 65535); |
| 2621 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2622 | BE_SET_NETDEV_OPS(netdev, &be_netdev_ops); |
| 2623 | |
| 2624 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); |
| 2625 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2626 | for_all_rx_queues(adapter, rxo, i) |
| 2627 | netif_napi_add(netdev, &rxo->rx_eq.napi, be_poll_rx, |
| 2628 | BE_NAPI_WEIGHT); |
| 2629 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2630 | netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx_mcc, |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2631 | BE_NAPI_WEIGHT); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2632 | } |
| 2633 | |
| 2634 | static void be_unmap_pci_bars(struct be_adapter *adapter) |
| 2635 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2636 | if (adapter->csr) |
| 2637 | iounmap(adapter->csr); |
| 2638 | if (adapter->db) |
| 2639 | iounmap(adapter->db); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2640 | if (adapter->pcicfg && be_physfn(adapter)) |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2641 | iounmap(adapter->pcicfg); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2642 | } |
| 2643 | |
| 2644 | static int be_map_pci_bars(struct be_adapter *adapter) |
| 2645 | { |
| 2646 | u8 __iomem *addr; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2647 | int pcicfg_reg, db_reg; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2648 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2649 | if (lancer_chip(adapter)) { |
| 2650 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 0), |
| 2651 | pci_resource_len(adapter->pdev, 0)); |
| 2652 | if (addr == NULL) |
| 2653 | return -ENOMEM; |
| 2654 | adapter->db = addr; |
| 2655 | return 0; |
| 2656 | } |
| 2657 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2658 | if (be_physfn(adapter)) { |
| 2659 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2), |
| 2660 | pci_resource_len(adapter->pdev, 2)); |
| 2661 | if (addr == NULL) |
| 2662 | return -ENOMEM; |
| 2663 | adapter->csr = addr; |
| 2664 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2665 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2666 | if (adapter->generation == BE_GEN2) { |
| 2667 | pcicfg_reg = 1; |
| 2668 | db_reg = 4; |
| 2669 | } else { |
| 2670 | pcicfg_reg = 0; |
| 2671 | if (be_physfn(adapter)) |
| 2672 | db_reg = 4; |
| 2673 | else |
| 2674 | db_reg = 0; |
| 2675 | } |
| 2676 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, db_reg), |
| 2677 | pci_resource_len(adapter->pdev, db_reg)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2678 | if (addr == NULL) |
| 2679 | goto pci_map_err; |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2680 | adapter->db = addr; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2681 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2682 | if (be_physfn(adapter)) { |
| 2683 | addr = ioremap_nocache( |
| 2684 | pci_resource_start(adapter->pdev, pcicfg_reg), |
| 2685 | pci_resource_len(adapter->pdev, pcicfg_reg)); |
| 2686 | if (addr == NULL) |
| 2687 | goto pci_map_err; |
| 2688 | adapter->pcicfg = addr; |
| 2689 | } else |
| 2690 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2691 | |
| 2692 | return 0; |
| 2693 | pci_map_err: |
| 2694 | be_unmap_pci_bars(adapter); |
| 2695 | return -ENOMEM; |
| 2696 | } |
| 2697 | |
| 2698 | |
| 2699 | static void be_ctrl_cleanup(struct be_adapter *adapter) |
| 2700 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2701 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2702 | |
| 2703 | be_unmap_pci_bars(adapter); |
| 2704 | |
| 2705 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2706 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 2707 | mem->dma); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2708 | |
| 2709 | mem = &adapter->mc_cmd_mem; |
| 2710 | if (mem->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2711 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
| 2712 | mem->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2713 | } |
| 2714 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2715 | static int be_ctrl_init(struct be_adapter *adapter) |
| 2716 | { |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2717 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
| 2718 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2719 | struct be_dma_mem *mc_cmd_mem = &adapter->mc_cmd_mem; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2720 | int status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2721 | |
| 2722 | status = be_map_pci_bars(adapter); |
| 2723 | if (status) |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2724 | goto done; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2725 | |
| 2726 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2727 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
| 2728 | mbox_mem_alloc->size, |
| 2729 | &mbox_mem_alloc->dma, |
| 2730 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2731 | if (!mbox_mem_alloc->va) { |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2732 | status = -ENOMEM; |
| 2733 | goto unmap_pci_bars; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2734 | } |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2735 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2736 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
| 2737 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); |
| 2738 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); |
| 2739 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2740 | |
| 2741 | mc_cmd_mem->size = sizeof(struct be_cmd_req_mcast_mac_config); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2742 | mc_cmd_mem->va = dma_alloc_coherent(&adapter->pdev->dev, |
| 2743 | mc_cmd_mem->size, &mc_cmd_mem->dma, |
| 2744 | GFP_KERNEL); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2745 | if (mc_cmd_mem->va == NULL) { |
| 2746 | status = -ENOMEM; |
| 2747 | goto free_mbox; |
| 2748 | } |
| 2749 | memset(mc_cmd_mem->va, 0, mc_cmd_mem->size); |
| 2750 | |
Ivan Vecera | 2984961 | 2010-12-14 05:43:19 +0000 | [diff] [blame] | 2751 | mutex_init(&adapter->mbox_lock); |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2752 | spin_lock_init(&adapter->mcc_lock); |
| 2753 | spin_lock_init(&adapter->mcc_cq_lock); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2754 | |
Sarveshwar Bandi | dd131e7 | 2010-05-25 16:16:32 -0700 | [diff] [blame] | 2755 | init_completion(&adapter->flash_compl); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 2756 | pci_save_state(adapter->pdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2757 | return 0; |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2758 | |
| 2759 | free_mbox: |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2760 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
| 2761 | mbox_mem_alloc->va, mbox_mem_alloc->dma); |
Sathya Perla | e7b909a | 2009-11-22 22:01:10 +0000 | [diff] [blame] | 2762 | |
| 2763 | unmap_pci_bars: |
| 2764 | be_unmap_pci_bars(adapter); |
| 2765 | |
| 2766 | done: |
| 2767 | return status; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2768 | } |
| 2769 | |
| 2770 | static void be_stats_cleanup(struct be_adapter *adapter) |
| 2771 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2772 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2773 | |
| 2774 | if (cmd->va) |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2775 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
| 2776 | cmd->va, cmd->dma); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2777 | } |
| 2778 | |
| 2779 | static int be_stats_init(struct be_adapter *adapter) |
| 2780 | { |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2781 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2782 | |
| 2783 | cmd->size = sizeof(struct be_cmd_req_get_stats); |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2784 | cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
| 2785 | GFP_KERNEL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2786 | if (cmd->va == NULL) |
| 2787 | return -1; |
David S. Miller | d291b9a | 2010-01-28 21:36:21 -0800 | [diff] [blame] | 2788 | memset(cmd->va, 0, cmd->size); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2789 | return 0; |
| 2790 | } |
| 2791 | |
| 2792 | static void __devexit be_remove(struct pci_dev *pdev) |
| 2793 | { |
| 2794 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2795 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2796 | if (!adapter) |
| 2797 | return; |
| 2798 | |
Somnath Kotur | f203af7 | 2010-10-25 23:01:03 +0000 | [diff] [blame] | 2799 | cancel_delayed_work_sync(&adapter->work); |
| 2800 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2801 | unregister_netdev(adapter->netdev); |
| 2802 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 2803 | be_clear(adapter); |
| 2804 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2805 | be_stats_cleanup(adapter); |
| 2806 | |
| 2807 | be_ctrl_cleanup(adapter); |
| 2808 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2809 | be_sriov_disable(adapter); |
| 2810 | |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 2811 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2812 | |
| 2813 | pci_set_drvdata(pdev, NULL); |
| 2814 | pci_release_regions(pdev); |
| 2815 | pci_disable_device(pdev); |
| 2816 | |
| 2817 | free_netdev(adapter->netdev); |
| 2818 | } |
| 2819 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 2820 | static int be_get_config(struct be_adapter *adapter) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2821 | { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2822 | int status; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 2823 | u8 mac[ETH_ALEN]; |
Sathya Perla | 43a04fdc | 2009-10-14 20:21:17 +0000 | [diff] [blame] | 2824 | |
Sathya Perla | 8788fdc | 2009-07-27 22:52:03 +0000 | [diff] [blame] | 2825 | status = be_cmd_get_fw_ver(adapter, adapter->fw_ver); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2826 | if (status) |
| 2827 | return status; |
| 2828 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 2829 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
| 2830 | &adapter->function_mode, &adapter->function_caps); |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 2831 | if (status) |
| 2832 | return status; |
| 2833 | |
| 2834 | memset(mac, 0, ETH_ALEN); |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2835 | |
| 2836 | if (be_physfn(adapter)) { |
| 2837 | status = be_cmd_mac_addr_query(adapter, mac, |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 2838 | MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0); |
Ajit Khaparde | ca9e498 | 2009-11-29 17:56:26 +0000 | [diff] [blame] | 2839 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2840 | if (status) |
| 2841 | return status; |
Ajit Khaparde | ca9e498 | 2009-11-29 17:56:26 +0000 | [diff] [blame] | 2842 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2843 | if (!is_valid_ether_addr(mac)) |
| 2844 | return -EADDRNOTAVAIL; |
| 2845 | |
| 2846 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); |
| 2847 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); |
| 2848 | } |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 2849 | |
Ajit Khaparde | 3486be2 | 2010-07-23 02:04:54 +0000 | [diff] [blame] | 2850 | if (adapter->function_mode & 0x400) |
Ajit Khaparde | 82903e4 | 2010-02-09 01:34:57 +0000 | [diff] [blame] | 2851 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4; |
| 2852 | else |
| 2853 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; |
| 2854 | |
Ajit Khaparde | 9e1453c | 2011-02-20 11:42:22 +0000 | [diff] [blame] | 2855 | status = be_cmd_get_cntl_attributes(adapter); |
| 2856 | if (status) |
| 2857 | return status; |
| 2858 | |
Sathya Perla | 2e588f8 | 2011-03-11 02:49:26 +0000 | [diff] [blame] | 2859 | be_cmd_check_native_mode(adapter); |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 2860 | return 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2861 | } |
| 2862 | |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2863 | static int be_dev_family_check(struct be_adapter *adapter) |
| 2864 | { |
| 2865 | struct pci_dev *pdev = adapter->pdev; |
| 2866 | u32 sli_intf = 0, if_type; |
| 2867 | |
| 2868 | switch (pdev->device) { |
| 2869 | case BE_DEVICE_ID1: |
| 2870 | case OC_DEVICE_ID1: |
| 2871 | adapter->generation = BE_GEN2; |
| 2872 | break; |
| 2873 | case BE_DEVICE_ID2: |
| 2874 | case OC_DEVICE_ID2: |
| 2875 | adapter->generation = BE_GEN3; |
| 2876 | break; |
| 2877 | case OC_DEVICE_ID3: |
| 2878 | pci_read_config_dword(pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
| 2879 | if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> |
| 2880 | SLI_INTF_IF_TYPE_SHIFT; |
| 2881 | |
| 2882 | if (((sli_intf & SLI_INTF_VALID_MASK) != SLI_INTF_VALID) || |
| 2883 | if_type != 0x02) { |
| 2884 | dev_err(&pdev->dev, "SLI_INTF reg val is not valid\n"); |
| 2885 | return -EINVAL; |
| 2886 | } |
| 2887 | if (num_vfs > 0) { |
| 2888 | dev_err(&pdev->dev, "VFs not supported\n"); |
| 2889 | return -EINVAL; |
| 2890 | } |
| 2891 | adapter->sli_family = ((sli_intf & SLI_INTF_FAMILY_MASK) >> |
| 2892 | SLI_INTF_FAMILY_SHIFT); |
| 2893 | adapter->generation = BE_GEN3; |
| 2894 | break; |
| 2895 | default: |
| 2896 | adapter->generation = 0; |
| 2897 | } |
| 2898 | return 0; |
| 2899 | } |
| 2900 | |
Padmanabh Ratnakar | 37eed1c | 2011-03-07 03:08:36 +0000 | [diff] [blame] | 2901 | static int lancer_wait_ready(struct be_adapter *adapter) |
| 2902 | { |
| 2903 | #define SLIPORT_READY_TIMEOUT 500 |
| 2904 | u32 sliport_status; |
| 2905 | int status = 0, i; |
| 2906 | |
| 2907 | for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) { |
| 2908 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); |
| 2909 | if (sliport_status & SLIPORT_STATUS_RDY_MASK) |
| 2910 | break; |
| 2911 | |
| 2912 | msleep(20); |
| 2913 | } |
| 2914 | |
| 2915 | if (i == SLIPORT_READY_TIMEOUT) |
| 2916 | status = -1; |
| 2917 | |
| 2918 | return status; |
| 2919 | } |
| 2920 | |
| 2921 | static int lancer_test_and_set_rdy_state(struct be_adapter *adapter) |
| 2922 | { |
| 2923 | int status; |
| 2924 | u32 sliport_status, err, reset_needed; |
| 2925 | status = lancer_wait_ready(adapter); |
| 2926 | if (!status) { |
| 2927 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); |
| 2928 | err = sliport_status & SLIPORT_STATUS_ERR_MASK; |
| 2929 | reset_needed = sliport_status & SLIPORT_STATUS_RN_MASK; |
| 2930 | if (err && reset_needed) { |
| 2931 | iowrite32(SLI_PORT_CONTROL_IP_MASK, |
| 2932 | adapter->db + SLIPORT_CONTROL_OFFSET); |
| 2933 | |
| 2934 | /* check adapter has corrected the error */ |
| 2935 | status = lancer_wait_ready(adapter); |
| 2936 | sliport_status = ioread32(adapter->db + |
| 2937 | SLIPORT_STATUS_OFFSET); |
| 2938 | sliport_status &= (SLIPORT_STATUS_ERR_MASK | |
| 2939 | SLIPORT_STATUS_RN_MASK); |
| 2940 | if (status || sliport_status) |
| 2941 | status = -1; |
| 2942 | } else if (err || reset_needed) { |
| 2943 | status = -1; |
| 2944 | } |
| 2945 | } |
| 2946 | return status; |
| 2947 | } |
| 2948 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2949 | static int __devinit be_probe(struct pci_dev *pdev, |
| 2950 | const struct pci_device_id *pdev_id) |
| 2951 | { |
| 2952 | int status = 0; |
| 2953 | struct be_adapter *adapter; |
| 2954 | struct net_device *netdev; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2955 | |
| 2956 | status = pci_enable_device(pdev); |
| 2957 | if (status) |
| 2958 | goto do_none; |
| 2959 | |
| 2960 | status = pci_request_regions(pdev, DRV_NAME); |
| 2961 | if (status) |
| 2962 | goto disable_dev; |
| 2963 | pci_set_master(pdev); |
| 2964 | |
| 2965 | netdev = alloc_etherdev(sizeof(struct be_adapter)); |
| 2966 | if (netdev == NULL) { |
| 2967 | status = -ENOMEM; |
| 2968 | goto rel_reg; |
| 2969 | } |
| 2970 | adapter = netdev_priv(netdev); |
| 2971 | adapter->pdev = pdev; |
| 2972 | pci_set_drvdata(pdev, adapter); |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2973 | |
| 2974 | status = be_dev_family_check(adapter); |
Sathya Perla | 63657b9 | 2010-12-01 01:02:28 +0000 | [diff] [blame] | 2975 | if (status) |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 2976 | goto free_netdev; |
| 2977 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2978 | adapter->netdev = netdev; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 2979 | SET_NETDEV_DEV(netdev, &pdev->dev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2980 | |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2981 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2982 | if (!status) { |
| 2983 | netdev->features |= NETIF_F_HIGHDMA; |
| 2984 | } else { |
Ivan Vecera | 2b7bceb | 2011-02-02 08:05:12 +0000 | [diff] [blame] | 2985 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2986 | if (status) { |
| 2987 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); |
| 2988 | goto free_netdev; |
| 2989 | } |
| 2990 | } |
| 2991 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 2992 | be_sriov_enable(adapter); |
| 2993 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 2994 | status = be_ctrl_init(adapter); |
| 2995 | if (status) |
| 2996 | goto free_netdev; |
| 2997 | |
Padmanabh Ratnakar | 37eed1c | 2011-03-07 03:08:36 +0000 | [diff] [blame] | 2998 | if (lancer_chip(adapter)) { |
| 2999 | status = lancer_test_and_set_rdy_state(adapter); |
| 3000 | if (status) { |
| 3001 | dev_err(&pdev->dev, "Adapter in non recoverable error\n"); |
| 3002 | goto free_netdev; |
| 3003 | } |
| 3004 | } |
| 3005 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 3006 | /* sync up with fw's ready state */ |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 3007 | if (be_physfn(adapter)) { |
| 3008 | status = be_cmd_POST(adapter); |
| 3009 | if (status) |
| 3010 | goto ctrl_clean; |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 3011 | } |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 3012 | |
| 3013 | /* tell fw we're ready to fire cmds */ |
| 3014 | status = be_cmd_fw_init(adapter); |
| 3015 | if (status) |
| 3016 | goto ctrl_clean; |
| 3017 | |
Ajit Khaparde | a4b4dfa | 2011-02-11 13:36:57 +0000 | [diff] [blame] | 3018 | status = be_cmd_reset_function(adapter); |
| 3019 | if (status) |
| 3020 | goto ctrl_clean; |
Sarveshwar Bandi | 556ae19 | 2010-05-24 18:38:25 -0700 | [diff] [blame] | 3021 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3022 | status = be_stats_init(adapter); |
| 3023 | if (status) |
| 3024 | goto ctrl_clean; |
| 3025 | |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 3026 | status = be_get_config(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3027 | if (status) |
| 3028 | goto stats_clean; |
| 3029 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3030 | be_msix_enable(adapter); |
| 3031 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3032 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3033 | |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3034 | status = be_setup(adapter); |
| 3035 | if (status) |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3036 | goto msix_disable; |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 3037 | |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3038 | be_netdev_init(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3039 | status = register_netdev(netdev); |
| 3040 | if (status != 0) |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3041 | goto unsetup; |
Somnath Kotur | 63a7694 | 2010-10-25 01:11:10 +0000 | [diff] [blame] | 3042 | netif_carrier_off(netdev); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3043 | |
Ajit Khaparde | e631936 | 2011-02-11 13:35:41 +0000 | [diff] [blame] | 3044 | if (be_physfn(adapter) && adapter->sriov_enabled) { |
| 3045 | status = be_vf_eth_addr_config(adapter); |
| 3046 | if (status) |
| 3047 | goto unreg_netdev; |
| 3048 | } |
| 3049 | |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 3050 | dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); |
Somnath Kotur | f203af7 | 2010-10-25 23:01:03 +0000 | [diff] [blame] | 3051 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3052 | return 0; |
| 3053 | |
Ajit Khaparde | e631936 | 2011-02-11 13:35:41 +0000 | [diff] [blame] | 3054 | unreg_netdev: |
| 3055 | unregister_netdev(netdev); |
Sathya Perla | 5fb379e | 2009-06-18 00:02:59 +0000 | [diff] [blame] | 3056 | unsetup: |
| 3057 | be_clear(adapter); |
Sathya Perla | 3abcded | 2010-10-03 22:12:27 -0700 | [diff] [blame] | 3058 | msix_disable: |
| 3059 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3060 | stats_clean: |
| 3061 | be_stats_cleanup(adapter); |
| 3062 | ctrl_clean: |
| 3063 | be_ctrl_cleanup(adapter); |
| 3064 | free_netdev: |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 3065 | be_sriov_disable(adapter); |
Sathya Perla | fe6d2a3 | 2010-11-21 23:25:50 +0000 | [diff] [blame] | 3066 | free_netdev(netdev); |
Sathya Perla | 8d56ff1 | 2009-11-22 22:02:26 +0000 | [diff] [blame] | 3067 | pci_set_drvdata(pdev, NULL); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3068 | rel_reg: |
| 3069 | pci_release_regions(pdev); |
| 3070 | disable_dev: |
| 3071 | pci_disable_device(pdev); |
| 3072 | do_none: |
Ajit Khaparde | c4ca237 | 2009-05-18 15:38:55 -0700 | [diff] [blame] | 3073 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3074 | return status; |
| 3075 | } |
| 3076 | |
| 3077 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) |
| 3078 | { |
| 3079 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 3080 | struct net_device *netdev = adapter->netdev; |
| 3081 | |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 3082 | cancel_delayed_work_sync(&adapter->work); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3083 | if (adapter->wol) |
| 3084 | be_setup_wol(adapter, true); |
| 3085 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3086 | netif_device_detach(netdev); |
| 3087 | if (netif_running(netdev)) { |
| 3088 | rtnl_lock(); |
| 3089 | be_close(netdev); |
| 3090 | rtnl_unlock(); |
| 3091 | } |
Ajit Khaparde | 9e90c96 | 2009-11-06 02:06:59 +0000 | [diff] [blame] | 3092 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc); |
Sarveshwar Bandi | 9b0365f | 2009-08-12 21:01:29 +0000 | [diff] [blame] | 3093 | be_clear(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3094 | |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 3095 | be_msix_disable(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3096 | pci_save_state(pdev); |
| 3097 | pci_disable_device(pdev); |
| 3098 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 3099 | return 0; |
| 3100 | } |
| 3101 | |
| 3102 | static int be_resume(struct pci_dev *pdev) |
| 3103 | { |
| 3104 | int status = 0; |
| 3105 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 3106 | struct net_device *netdev = adapter->netdev; |
| 3107 | |
| 3108 | netif_device_detach(netdev); |
| 3109 | |
| 3110 | status = pci_enable_device(pdev); |
| 3111 | if (status) |
| 3112 | return status; |
| 3113 | |
| 3114 | pci_set_power_state(pdev, 0); |
| 3115 | pci_restore_state(pdev); |
| 3116 | |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 3117 | be_msix_enable(adapter); |
Sathya Perla | 2243e2e | 2009-11-22 22:02:03 +0000 | [diff] [blame] | 3118 | /* tell fw we're ready to fire cmds */ |
| 3119 | status = be_cmd_fw_init(adapter); |
| 3120 | if (status) |
| 3121 | return status; |
| 3122 | |
Sarveshwar Bandi | 9b0365f | 2009-08-12 21:01:29 +0000 | [diff] [blame] | 3123 | be_setup(adapter); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3124 | if (netif_running(netdev)) { |
| 3125 | rtnl_lock(); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3126 | be_open(netdev); |
| 3127 | rtnl_unlock(); |
| 3128 | } |
| 3129 | netif_device_attach(netdev); |
Ajit Khaparde | 71d8d1b | 2009-12-03 06:16:59 +0000 | [diff] [blame] | 3130 | |
| 3131 | if (adapter->wol) |
| 3132 | be_setup_wol(adapter, false); |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 3133 | |
| 3134 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3135 | return 0; |
| 3136 | } |
| 3137 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 3138 | /* |
| 3139 | * An FLR will stop BE from DMAing any data. |
| 3140 | */ |
| 3141 | static void be_shutdown(struct pci_dev *pdev) |
| 3142 | { |
| 3143 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 3144 | struct net_device *netdev = adapter->netdev; |
| 3145 | |
Ajit Khaparde | a4ca055 | 2011-02-11 13:38:03 +0000 | [diff] [blame] | 3146 | if (netif_running(netdev)) |
| 3147 | cancel_delayed_work_sync(&adapter->work); |
| 3148 | |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 3149 | netif_device_detach(netdev); |
| 3150 | |
| 3151 | be_cmd_reset_function(adapter); |
| 3152 | |
| 3153 | if (adapter->wol) |
| 3154 | be_setup_wol(adapter, true); |
| 3155 | |
| 3156 | pci_disable_device(pdev); |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 3157 | } |
| 3158 | |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 3159 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
| 3160 | pci_channel_state_t state) |
| 3161 | { |
| 3162 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 3163 | struct net_device *netdev = adapter->netdev; |
| 3164 | |
| 3165 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); |
| 3166 | |
| 3167 | adapter->eeh_err = true; |
| 3168 | |
| 3169 | netif_device_detach(netdev); |
| 3170 | |
| 3171 | if (netif_running(netdev)) { |
| 3172 | rtnl_lock(); |
| 3173 | be_close(netdev); |
| 3174 | rtnl_unlock(); |
| 3175 | } |
| 3176 | be_clear(adapter); |
| 3177 | |
| 3178 | if (state == pci_channel_io_perm_failure) |
| 3179 | return PCI_ERS_RESULT_DISCONNECT; |
| 3180 | |
| 3181 | pci_disable_device(pdev); |
| 3182 | |
| 3183 | return PCI_ERS_RESULT_NEED_RESET; |
| 3184 | } |
| 3185 | |
| 3186 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) |
| 3187 | { |
| 3188 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 3189 | int status; |
| 3190 | |
| 3191 | dev_info(&adapter->pdev->dev, "EEH reset\n"); |
| 3192 | adapter->eeh_err = false; |
| 3193 | |
| 3194 | status = pci_enable_device(pdev); |
| 3195 | if (status) |
| 3196 | return PCI_ERS_RESULT_DISCONNECT; |
| 3197 | |
| 3198 | pci_set_master(pdev); |
| 3199 | pci_set_power_state(pdev, 0); |
| 3200 | pci_restore_state(pdev); |
| 3201 | |
| 3202 | /* Check if card is ok and fw is ready */ |
| 3203 | status = be_cmd_POST(adapter); |
| 3204 | if (status) |
| 3205 | return PCI_ERS_RESULT_DISCONNECT; |
| 3206 | |
| 3207 | return PCI_ERS_RESULT_RECOVERED; |
| 3208 | } |
| 3209 | |
| 3210 | static void be_eeh_resume(struct pci_dev *pdev) |
| 3211 | { |
| 3212 | int status = 0; |
| 3213 | struct be_adapter *adapter = pci_get_drvdata(pdev); |
| 3214 | struct net_device *netdev = adapter->netdev; |
| 3215 | |
| 3216 | dev_info(&adapter->pdev->dev, "EEH resume\n"); |
| 3217 | |
| 3218 | pci_save_state(pdev); |
| 3219 | |
| 3220 | /* tell fw we're ready to fire cmds */ |
| 3221 | status = be_cmd_fw_init(adapter); |
| 3222 | if (status) |
| 3223 | goto err; |
| 3224 | |
| 3225 | status = be_setup(adapter); |
| 3226 | if (status) |
| 3227 | goto err; |
| 3228 | |
| 3229 | if (netif_running(netdev)) { |
| 3230 | status = be_open(netdev); |
| 3231 | if (status) |
| 3232 | goto err; |
| 3233 | } |
| 3234 | netif_device_attach(netdev); |
| 3235 | return; |
| 3236 | err: |
| 3237 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 3238 | } |
| 3239 | |
| 3240 | static struct pci_error_handlers be_eeh_handlers = { |
| 3241 | .error_detected = be_eeh_err_detected, |
| 3242 | .slot_reset = be_eeh_reset, |
| 3243 | .resume = be_eeh_resume, |
| 3244 | }; |
| 3245 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3246 | static struct pci_driver be_driver = { |
| 3247 | .name = DRV_NAME, |
| 3248 | .id_table = be_dev_ids, |
| 3249 | .probe = be_probe, |
| 3250 | .remove = be_remove, |
| 3251 | .suspend = be_suspend, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 3252 | .resume = be_resume, |
Sathya Perla | 82456b0 | 2010-02-17 01:35:37 +0000 | [diff] [blame] | 3253 | .shutdown = be_shutdown, |
Sathya Perla | cf58847 | 2010-02-14 21:22:01 +0000 | [diff] [blame] | 3254 | .err_handler = &be_eeh_handlers |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3255 | }; |
| 3256 | |
| 3257 | static int __init be_init_module(void) |
| 3258 | { |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 3259 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
| 3260 | rx_frag_size != 2048) { |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3261 | printk(KERN_WARNING DRV_NAME |
| 3262 | " : Module param rx_frag_size must be 2048/4096/8192." |
| 3263 | " Using 2048\n"); |
| 3264 | rx_frag_size = 2048; |
| 3265 | } |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3266 | |
Sarveshwar Bandi | ba343c7 | 2010-03-31 02:56:12 +0000 | [diff] [blame] | 3267 | if (num_vfs > 32) { |
| 3268 | printk(KERN_WARNING DRV_NAME |
| 3269 | " : Module param num_vfs must not be greater than 32." |
| 3270 | "Using 32\n"); |
| 3271 | num_vfs = 32; |
| 3272 | } |
| 3273 | |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 3274 | return pci_register_driver(&be_driver); |
| 3275 | } |
| 3276 | module_init(be_init_module); |
| 3277 | |
| 3278 | static void __exit be_exit_module(void) |
| 3279 | { |
| 3280 | pci_unregister_driver(&be_driver); |
| 3281 | } |
| 3282 | module_exit(be_exit_module); |