Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 - QLogic Corporation. |
| 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 |
| 7 | * as published by the Free Software Foundation; either version 2 |
| 8 | * of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 18 | * MA 02111-1307, USA. |
| 19 | * |
| 20 | * The full GNU General Public License is included in this distribution |
| 21 | * in the file called "COPYING". |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include <linux/netdevice.h> |
| 26 | #include <linux/delay.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 27 | #include <linux/slab.h> |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 28 | #include <linux/if_vlan.h> |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 29 | #include "qlcnic.h" |
| 30 | |
| 31 | struct crb_addr_pair { |
| 32 | u32 addr; |
| 33 | u32 data; |
| 34 | }; |
| 35 | |
| 36 | #define QLCNIC_MAX_CRB_XFORM 60 |
| 37 | static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM]; |
| 38 | |
| 39 | #define crb_addr_transform(name) \ |
| 40 | (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \ |
| 41 | QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20) |
| 42 | |
| 43 | #define QLCNIC_ADDR_ERROR (0xffffffff) |
| 44 | |
| 45 | static void |
| 46 | qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, |
| 47 | struct qlcnic_host_rds_ring *rds_ring); |
| 48 | |
Sony Chacko | 4e70812 | 2010-08-31 17:17:44 +0000 | [diff] [blame] | 49 | static int |
| 50 | qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter); |
| 51 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 52 | static void crb_addr_transform_setup(void) |
| 53 | { |
| 54 | crb_addr_transform(XDMA); |
| 55 | crb_addr_transform(TIMR); |
| 56 | crb_addr_transform(SRE); |
| 57 | crb_addr_transform(SQN3); |
| 58 | crb_addr_transform(SQN2); |
| 59 | crb_addr_transform(SQN1); |
| 60 | crb_addr_transform(SQN0); |
| 61 | crb_addr_transform(SQS3); |
| 62 | crb_addr_transform(SQS2); |
| 63 | crb_addr_transform(SQS1); |
| 64 | crb_addr_transform(SQS0); |
| 65 | crb_addr_transform(RPMX7); |
| 66 | crb_addr_transform(RPMX6); |
| 67 | crb_addr_transform(RPMX5); |
| 68 | crb_addr_transform(RPMX4); |
| 69 | crb_addr_transform(RPMX3); |
| 70 | crb_addr_transform(RPMX2); |
| 71 | crb_addr_transform(RPMX1); |
| 72 | crb_addr_transform(RPMX0); |
| 73 | crb_addr_transform(ROMUSB); |
| 74 | crb_addr_transform(SN); |
| 75 | crb_addr_transform(QMN); |
| 76 | crb_addr_transform(QMS); |
| 77 | crb_addr_transform(PGNI); |
| 78 | crb_addr_transform(PGND); |
| 79 | crb_addr_transform(PGN3); |
| 80 | crb_addr_transform(PGN2); |
| 81 | crb_addr_transform(PGN1); |
| 82 | crb_addr_transform(PGN0); |
| 83 | crb_addr_transform(PGSI); |
| 84 | crb_addr_transform(PGSD); |
| 85 | crb_addr_transform(PGS3); |
| 86 | crb_addr_transform(PGS2); |
| 87 | crb_addr_transform(PGS1); |
| 88 | crb_addr_transform(PGS0); |
| 89 | crb_addr_transform(PS); |
| 90 | crb_addr_transform(PH); |
| 91 | crb_addr_transform(NIU); |
| 92 | crb_addr_transform(I2Q); |
| 93 | crb_addr_transform(EG); |
| 94 | crb_addr_transform(MN); |
| 95 | crb_addr_transform(MS); |
| 96 | crb_addr_transform(CAS2); |
| 97 | crb_addr_transform(CAS1); |
| 98 | crb_addr_transform(CAS0); |
| 99 | crb_addr_transform(CAM); |
| 100 | crb_addr_transform(C2C1); |
| 101 | crb_addr_transform(C2C0); |
| 102 | crb_addr_transform(SMB); |
| 103 | crb_addr_transform(OCM0); |
| 104 | crb_addr_transform(I2C0); |
| 105 | } |
| 106 | |
| 107 | void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter) |
| 108 | { |
| 109 | struct qlcnic_recv_context *recv_ctx; |
| 110 | struct qlcnic_host_rds_ring *rds_ring; |
| 111 | struct qlcnic_rx_buffer *rx_buf; |
| 112 | int i, ring; |
| 113 | |
| 114 | recv_ctx = &adapter->recv_ctx; |
| 115 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| 116 | rds_ring = &recv_ctx->rds_rings[ring]; |
| 117 | for (i = 0; i < rds_ring->num_desc; ++i) { |
| 118 | rx_buf = &(rds_ring->rx_buf_arr[i]); |
Amit Kumar Salecha | 9665982 | 2010-06-22 03:18:58 +0000 | [diff] [blame] | 119 | if (rx_buf->skb == NULL) |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 120 | continue; |
Amit Kumar Salecha | 9665982 | 2010-06-22 03:18:58 +0000 | [diff] [blame] | 121 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 122 | pci_unmap_single(adapter->pdev, |
| 123 | rx_buf->dma, |
| 124 | rds_ring->dma_size, |
| 125 | PCI_DMA_FROMDEVICE); |
Amit Kumar Salecha | 9665982 | 2010-06-22 03:18:58 +0000 | [diff] [blame] | 126 | |
| 127 | dev_kfree_skb_any(rx_buf->skb); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
Amit Kumar Salecha | 8a15ad1 | 2010-06-22 03:19:01 +0000 | [diff] [blame] | 132 | void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter) |
| 133 | { |
| 134 | struct qlcnic_recv_context *recv_ctx; |
| 135 | struct qlcnic_host_rds_ring *rds_ring; |
| 136 | struct qlcnic_rx_buffer *rx_buf; |
| 137 | int i, ring; |
| 138 | |
| 139 | recv_ctx = &adapter->recv_ctx; |
| 140 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| 141 | rds_ring = &recv_ctx->rds_rings[ring]; |
| 142 | |
Amit Kumar Salecha | 8a15ad1 | 2010-06-22 03:19:01 +0000 | [diff] [blame] | 143 | INIT_LIST_HEAD(&rds_ring->free_list); |
| 144 | |
| 145 | rx_buf = rds_ring->rx_buf_arr; |
| 146 | for (i = 0; i < rds_ring->num_desc; i++) { |
| 147 | list_add_tail(&rx_buf->list, |
| 148 | &rds_ring->free_list); |
| 149 | rx_buf++; |
| 150 | } |
Amit Kumar Salecha | 8a15ad1 | 2010-06-22 03:19:01 +0000 | [diff] [blame] | 151 | } |
| 152 | } |
| 153 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 154 | void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter) |
| 155 | { |
| 156 | struct qlcnic_cmd_buffer *cmd_buf; |
| 157 | struct qlcnic_skb_frag *buffrag; |
| 158 | int i, j; |
| 159 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; |
| 160 | |
| 161 | cmd_buf = tx_ring->cmd_buf_arr; |
| 162 | for (i = 0; i < tx_ring->num_desc; i++) { |
| 163 | buffrag = cmd_buf->frag_array; |
| 164 | if (buffrag->dma) { |
| 165 | pci_unmap_single(adapter->pdev, buffrag->dma, |
| 166 | buffrag->length, PCI_DMA_TODEVICE); |
| 167 | buffrag->dma = 0ULL; |
| 168 | } |
| 169 | for (j = 0; j < cmd_buf->frag_count; j++) { |
| 170 | buffrag++; |
| 171 | if (buffrag->dma) { |
| 172 | pci_unmap_page(adapter->pdev, buffrag->dma, |
| 173 | buffrag->length, |
| 174 | PCI_DMA_TODEVICE); |
| 175 | buffrag->dma = 0ULL; |
| 176 | } |
| 177 | } |
| 178 | if (cmd_buf->skb) { |
| 179 | dev_kfree_skb_any(cmd_buf->skb); |
| 180 | cmd_buf->skb = NULL; |
| 181 | } |
| 182 | cmd_buf++; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter) |
| 187 | { |
| 188 | struct qlcnic_recv_context *recv_ctx; |
| 189 | struct qlcnic_host_rds_ring *rds_ring; |
| 190 | struct qlcnic_host_tx_ring *tx_ring; |
| 191 | int ring; |
| 192 | |
| 193 | recv_ctx = &adapter->recv_ctx; |
| 194 | |
| 195 | if (recv_ctx->rds_rings == NULL) |
| 196 | goto skip_rds; |
| 197 | |
| 198 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| 199 | rds_ring = &recv_ctx->rds_rings[ring]; |
| 200 | vfree(rds_ring->rx_buf_arr); |
| 201 | rds_ring->rx_buf_arr = NULL; |
| 202 | } |
| 203 | kfree(recv_ctx->rds_rings); |
| 204 | |
| 205 | skip_rds: |
| 206 | if (adapter->tx_ring == NULL) |
| 207 | return; |
| 208 | |
| 209 | tx_ring = adapter->tx_ring; |
| 210 | vfree(tx_ring->cmd_buf_arr); |
Rajesh K Borundia | ef71ff8 | 2010-06-17 02:56:41 +0000 | [diff] [blame] | 211 | tx_ring->cmd_buf_arr = NULL; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 212 | kfree(adapter->tx_ring); |
Rajesh K Borundia | ef71ff8 | 2010-06-17 02:56:41 +0000 | [diff] [blame] | 213 | adapter->tx_ring = NULL; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter) |
| 217 | { |
| 218 | struct qlcnic_recv_context *recv_ctx; |
| 219 | struct qlcnic_host_rds_ring *rds_ring; |
| 220 | struct qlcnic_host_sds_ring *sds_ring; |
| 221 | struct qlcnic_host_tx_ring *tx_ring; |
| 222 | struct qlcnic_rx_buffer *rx_buf; |
| 223 | int ring, i, size; |
| 224 | |
| 225 | struct qlcnic_cmd_buffer *cmd_buf_arr; |
| 226 | struct net_device *netdev = adapter->netdev; |
| 227 | |
| 228 | size = sizeof(struct qlcnic_host_tx_ring); |
| 229 | tx_ring = kzalloc(size, GFP_KERNEL); |
| 230 | if (tx_ring == NULL) { |
| 231 | dev_err(&netdev->dev, "failed to allocate tx ring struct\n"); |
| 232 | return -ENOMEM; |
| 233 | } |
| 234 | adapter->tx_ring = tx_ring; |
| 235 | |
| 236 | tx_ring->num_desc = adapter->num_txd; |
| 237 | tx_ring->txq = netdev_get_tx_queue(netdev, 0); |
| 238 | |
Eric Dumazet | 89bf67f | 2010-11-22 00:15:06 +0000 | [diff] [blame^] | 239 | cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 240 | if (cmd_buf_arr == NULL) { |
| 241 | dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n"); |
Anirban Chakraborty | aadd818 | 2010-05-17 01:22:08 +0000 | [diff] [blame] | 242 | goto err_out; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 243 | } |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 244 | tx_ring->cmd_buf_arr = cmd_buf_arr; |
| 245 | |
| 246 | recv_ctx = &adapter->recv_ctx; |
| 247 | |
| 248 | size = adapter->max_rds_rings * sizeof(struct qlcnic_host_rds_ring); |
| 249 | rds_ring = kzalloc(size, GFP_KERNEL); |
| 250 | if (rds_ring == NULL) { |
| 251 | dev_err(&netdev->dev, "failed to allocate rds ring struct\n"); |
Anirban Chakraborty | aadd818 | 2010-05-17 01:22:08 +0000 | [diff] [blame] | 252 | goto err_out; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 253 | } |
| 254 | recv_ctx->rds_rings = rds_ring; |
| 255 | |
| 256 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| 257 | rds_ring = &recv_ctx->rds_rings[ring]; |
| 258 | switch (ring) { |
| 259 | case RCV_RING_NORMAL: |
| 260 | rds_ring->num_desc = adapter->num_rxd; |
Sritej Velaga | ff1b1bf8 | 2010-10-07 23:46:10 +0000 | [diff] [blame] | 261 | rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN; |
Amit Kumar Salecha | 251a84c | 2010-05-13 03:07:46 +0000 | [diff] [blame] | 262 | rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 263 | break; |
| 264 | |
| 265 | case RCV_RING_JUMBO: |
| 266 | rds_ring->num_desc = adapter->num_jumbo_rxd; |
| 267 | rds_ring->dma_size = |
Sritej Velaga | ff1b1bf8 | 2010-10-07 23:46:10 +0000 | [diff] [blame] | 268 | QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 269 | |
| 270 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) |
| 271 | rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA; |
| 272 | |
| 273 | rds_ring->skb_size = |
| 274 | rds_ring->dma_size + NET_IP_ALIGN; |
| 275 | break; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 276 | } |
| 277 | rds_ring->rx_buf_arr = (struct qlcnic_rx_buffer *) |
Eric Dumazet | 89bf67f | 2010-11-22 00:15:06 +0000 | [diff] [blame^] | 278 | vzalloc(RCV_BUFF_RINGSIZE(rds_ring)); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 279 | if (rds_ring->rx_buf_arr == NULL) { |
| 280 | dev_err(&netdev->dev, "Failed to allocate " |
| 281 | "rx buffer ring %d\n", ring); |
| 282 | goto err_out; |
| 283 | } |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 284 | INIT_LIST_HEAD(&rds_ring->free_list); |
| 285 | /* |
| 286 | * Now go through all of them, set reference handles |
| 287 | * and put them in the queues. |
| 288 | */ |
| 289 | rx_buf = rds_ring->rx_buf_arr; |
| 290 | for (i = 0; i < rds_ring->num_desc; i++) { |
| 291 | list_add_tail(&rx_buf->list, |
| 292 | &rds_ring->free_list); |
| 293 | rx_buf->ref_handle = i; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 294 | rx_buf++; |
| 295 | } |
| 296 | spin_lock_init(&rds_ring->lock); |
| 297 | } |
| 298 | |
| 299 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
| 300 | sds_ring = &recv_ctx->sds_rings[ring]; |
| 301 | sds_ring->irq = adapter->msix_entries[ring].vector; |
| 302 | sds_ring->adapter = adapter; |
| 303 | sds_ring->num_desc = adapter->num_rxd; |
| 304 | |
| 305 | for (i = 0; i < NUM_RCV_DESC_RINGS; i++) |
| 306 | INIT_LIST_HEAD(&sds_ring->free_list[i]); |
| 307 | } |
| 308 | |
| 309 | return 0; |
| 310 | |
| 311 | err_out: |
| 312 | qlcnic_free_sw_resources(adapter); |
| 313 | return -ENOMEM; |
| 314 | } |
| 315 | |
| 316 | /* |
| 317 | * Utility to translate from internal Phantom CRB address |
| 318 | * to external PCI CRB address. |
| 319 | */ |
| 320 | static u32 qlcnic_decode_crb_addr(u32 addr) |
| 321 | { |
| 322 | int i; |
| 323 | u32 base_addr, offset, pci_base; |
| 324 | |
| 325 | crb_addr_transform_setup(); |
| 326 | |
| 327 | pci_base = QLCNIC_ADDR_ERROR; |
| 328 | base_addr = addr & 0xfff00000; |
| 329 | offset = addr & 0x000fffff; |
| 330 | |
| 331 | for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) { |
| 332 | if (crb_addr_xform[i] == base_addr) { |
| 333 | pci_base = i << 20; |
| 334 | break; |
| 335 | } |
| 336 | } |
| 337 | if (pci_base == QLCNIC_ADDR_ERROR) |
| 338 | return pci_base; |
| 339 | else |
| 340 | return pci_base + offset; |
| 341 | } |
| 342 | |
| 343 | #define QLCNIC_MAX_ROM_WAIT_USEC 100 |
| 344 | |
| 345 | static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) |
| 346 | { |
| 347 | long timeout = 0; |
| 348 | long done = 0; |
| 349 | |
| 350 | cond_resched(); |
| 351 | |
| 352 | while (done == 0) { |
| 353 | done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS); |
| 354 | done &= 2; |
| 355 | if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) { |
| 356 | dev_err(&adapter->pdev->dev, |
| 357 | "Timeout reached waiting for rom done"); |
| 358 | return -EIO; |
| 359 | } |
| 360 | udelay(1); |
| 361 | } |
| 362 | return 0; |
| 363 | } |
| 364 | |
| 365 | static int do_rom_fast_read(struct qlcnic_adapter *adapter, |
| 366 | int addr, int *valp) |
| 367 | { |
| 368 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr); |
| 369 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); |
| 370 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3); |
| 371 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb); |
| 372 | if (qlcnic_wait_rom_done(adapter)) { |
| 373 | dev_err(&adapter->pdev->dev, "Error waiting for rom done\n"); |
| 374 | return -EIO; |
| 375 | } |
| 376 | /* reset abyte_cnt and dummy_byte_cnt */ |
| 377 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0); |
| 378 | udelay(10); |
| 379 | QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); |
| 380 | |
| 381 | *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA); |
| 382 | return 0; |
| 383 | } |
| 384 | |
| 385 | static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, |
| 386 | u8 *bytes, size_t size) |
| 387 | { |
| 388 | int addridx; |
| 389 | int ret = 0; |
| 390 | |
| 391 | for (addridx = addr; addridx < (addr + size); addridx += 4) { |
| 392 | int v; |
| 393 | ret = do_rom_fast_read(adapter, addridx, &v); |
| 394 | if (ret != 0) |
| 395 | break; |
| 396 | *(__le32 *)bytes = cpu_to_le32(v); |
| 397 | bytes += 4; |
| 398 | } |
| 399 | |
| 400 | return ret; |
| 401 | } |
| 402 | |
| 403 | int |
| 404 | qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, |
| 405 | u8 *bytes, size_t size) |
| 406 | { |
| 407 | int ret; |
| 408 | |
| 409 | ret = qlcnic_rom_lock(adapter); |
| 410 | if (ret < 0) |
| 411 | return ret; |
| 412 | |
| 413 | ret = do_rom_fast_read_words(adapter, addr, bytes, size); |
| 414 | |
| 415 | qlcnic_rom_unlock(adapter); |
| 416 | return ret; |
| 417 | } |
| 418 | |
| 419 | int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, int addr, int *valp) |
| 420 | { |
| 421 | int ret; |
| 422 | |
| 423 | if (qlcnic_rom_lock(adapter) != 0) |
| 424 | return -EIO; |
| 425 | |
| 426 | ret = do_rom_fast_read(adapter, addr, valp); |
| 427 | qlcnic_rom_unlock(adapter); |
| 428 | return ret; |
| 429 | } |
| 430 | |
| 431 | int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) |
| 432 | { |
| 433 | int addr, val; |
| 434 | int i, n, init_delay; |
| 435 | struct crb_addr_pair *buf; |
| 436 | unsigned offset; |
| 437 | u32 off; |
| 438 | struct pci_dev *pdev = adapter->pdev; |
| 439 | |
Sony Chacko | d406683 | 2010-08-19 05:08:31 +0000 | [diff] [blame] | 440 | QLCWR32(adapter, CRB_CMDPEG_STATE, 0); |
| 441 | QLCWR32(adapter, CRB_RCVPEG_STATE, 0); |
| 442 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 443 | qlcnic_rom_lock(adapter); |
Sucheta Chakraborty | 469c221 | 2010-06-17 02:56:38 +0000 | [diff] [blame] | 444 | QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 445 | qlcnic_rom_unlock(adapter); |
| 446 | |
Sony Chacko | d406683 | 2010-08-19 05:08:31 +0000 | [diff] [blame] | 447 | /* Init HW CRB block */ |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 448 | if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) || |
| 449 | qlcnic_rom_fast_read(adapter, 4, &n) != 0) { |
| 450 | dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n); |
| 451 | return -EIO; |
| 452 | } |
| 453 | offset = n & 0xffffU; |
| 454 | n = (n >> 16) & 0xffffU; |
| 455 | |
| 456 | if (n >= 1024) { |
| 457 | dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n"); |
| 458 | return -EIO; |
| 459 | } |
| 460 | |
| 461 | buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); |
| 462 | if (buf == NULL) { |
| 463 | dev_err(&pdev->dev, "Unable to calloc memory for rom read.\n"); |
| 464 | return -ENOMEM; |
| 465 | } |
| 466 | |
| 467 | for (i = 0; i < n; i++) { |
| 468 | if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 || |
| 469 | qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) { |
| 470 | kfree(buf); |
| 471 | return -EIO; |
| 472 | } |
| 473 | |
| 474 | buf[i].addr = addr; |
| 475 | buf[i].data = val; |
| 476 | } |
| 477 | |
| 478 | for (i = 0; i < n; i++) { |
| 479 | |
| 480 | off = qlcnic_decode_crb_addr(buf[i].addr); |
| 481 | if (off == QLCNIC_ADDR_ERROR) { |
| 482 | dev_err(&pdev->dev, "CRB init value out of range %x\n", |
| 483 | buf[i].addr); |
| 484 | continue; |
| 485 | } |
| 486 | off += QLCNIC_PCI_CRBSPACE; |
| 487 | |
| 488 | if (off & 1) |
| 489 | continue; |
| 490 | |
| 491 | /* skipping cold reboot MAGIC */ |
| 492 | if (off == QLCNIC_CAM_RAM(0x1fc)) |
| 493 | continue; |
| 494 | if (off == (QLCNIC_CRB_I2C0 + 0x1c)) |
| 495 | continue; |
| 496 | if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */ |
| 497 | continue; |
| 498 | if (off == (ROMUSB_GLB + 0xa8)) |
| 499 | continue; |
| 500 | if (off == (ROMUSB_GLB + 0xc8)) /* core clock */ |
| 501 | continue; |
| 502 | if (off == (ROMUSB_GLB + 0x24)) /* MN clock */ |
| 503 | continue; |
| 504 | if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */ |
| 505 | continue; |
| 506 | if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET) |
| 507 | continue; |
| 508 | /* skip the function enable register */ |
| 509 | if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION)) |
| 510 | continue; |
| 511 | if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2)) |
| 512 | continue; |
| 513 | if ((off & 0x0ff00000) == QLCNIC_CRB_SMB) |
| 514 | continue; |
| 515 | |
| 516 | init_delay = 1; |
| 517 | /* After writing this register, HW needs time for CRB */ |
| 518 | /* to quiet down (else crb_window returns 0xffffffff) */ |
| 519 | if (off == QLCNIC_ROMUSB_GLB_SW_RESET) |
| 520 | init_delay = 1000; |
| 521 | |
| 522 | QLCWR32(adapter, off, buf[i].data); |
| 523 | |
| 524 | msleep(init_delay); |
| 525 | } |
| 526 | kfree(buf); |
| 527 | |
Sony Chacko | d406683 | 2010-08-19 05:08:31 +0000 | [diff] [blame] | 528 | /* Initialize protocol process engine */ |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 529 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 530 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8); |
| 531 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 532 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0); |
| 533 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0); |
| 534 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0); |
| 535 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0); |
| 536 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0); |
| 537 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0); |
| 538 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0); |
| 539 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0); |
Sony Chacko | d406683 | 2010-08-19 05:08:31 +0000 | [diff] [blame] | 540 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0); |
| 541 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0); |
| 542 | msleep(1); |
| 543 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); |
| 544 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 545 | return 0; |
| 546 | } |
| 547 | |
Sony Chacko | 4e70812 | 2010-08-31 17:17:44 +0000 | [diff] [blame] | 548 | static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter) |
| 549 | { |
| 550 | u32 val; |
| 551 | int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT; |
| 552 | |
| 553 | do { |
| 554 | val = QLCRD32(adapter, CRB_CMDPEG_STATE); |
| 555 | |
| 556 | switch (val) { |
| 557 | case PHAN_INITIALIZE_COMPLETE: |
| 558 | case PHAN_INITIALIZE_ACK: |
| 559 | return 0; |
| 560 | case PHAN_INITIALIZE_FAILED: |
| 561 | goto out_err; |
| 562 | default: |
| 563 | break; |
| 564 | } |
| 565 | |
| 566 | msleep(QLCNIC_CMDPEG_CHECK_DELAY); |
| 567 | |
| 568 | } while (--retries); |
| 569 | |
| 570 | QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); |
| 571 | |
| 572 | out_err: |
| 573 | dev_err(&adapter->pdev->dev, "Command Peg initialization not " |
| 574 | "complete, state: 0x%x.\n", val); |
| 575 | return -EIO; |
| 576 | } |
| 577 | |
| 578 | static int |
| 579 | qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter) |
| 580 | { |
| 581 | u32 val; |
| 582 | int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT; |
| 583 | |
| 584 | do { |
| 585 | val = QLCRD32(adapter, CRB_RCVPEG_STATE); |
| 586 | |
| 587 | if (val == PHAN_PEG_RCV_INITIALIZED) |
| 588 | return 0; |
| 589 | |
| 590 | msleep(QLCNIC_RCVPEG_CHECK_DELAY); |
| 591 | |
| 592 | } while (--retries); |
| 593 | |
| 594 | if (!retries) { |
| 595 | dev_err(&adapter->pdev->dev, "Receive Peg initialization not " |
| 596 | "complete, state: 0x%x.\n", val); |
| 597 | return -EIO; |
| 598 | } |
| 599 | |
| 600 | return 0; |
| 601 | } |
| 602 | |
Sucheta Chakraborty | b3a2464 | 2010-05-13 03:07:48 +0000 | [diff] [blame] | 603 | int |
Sony Chacko | d406683 | 2010-08-19 05:08:31 +0000 | [diff] [blame] | 604 | qlcnic_check_fw_status(struct qlcnic_adapter *adapter) |
| 605 | { |
Sony Chacko | 4e70812 | 2010-08-31 17:17:44 +0000 | [diff] [blame] | 606 | int err; |
Sony Chacko | d406683 | 2010-08-19 05:08:31 +0000 | [diff] [blame] | 607 | |
Sony Chacko | 4e70812 | 2010-08-31 17:17:44 +0000 | [diff] [blame] | 608 | err = qlcnic_cmd_peg_ready(adapter); |
| 609 | if (err) |
| 610 | return err; |
Sony Chacko | d406683 | 2010-08-19 05:08:31 +0000 | [diff] [blame] | 611 | |
Sony Chacko | 4e70812 | 2010-08-31 17:17:44 +0000 | [diff] [blame] | 612 | err = qlcnic_receive_peg_ready(adapter); |
| 613 | if (err) |
| 614 | return err; |
| 615 | |
| 616 | QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK); |
| 617 | |
| 618 | return err; |
Sony Chacko | d406683 | 2010-08-19 05:08:31 +0000 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | int |
Sucheta Chakraborty | aa5e18c | 2010-04-01 19:01:32 +0000 | [diff] [blame] | 622 | qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) { |
| 623 | |
| 624 | int timeo; |
Sucheta Chakraborty | b3a2464 | 2010-05-13 03:07:48 +0000 | [diff] [blame] | 625 | u32 val; |
| 626 | |
Anirban Chakraborty | 45918e2 | 2010-06-29 07:52:12 +0000 | [diff] [blame] | 627 | val = QLCRD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO); |
| 628 | val = QLC_DEV_GET_DRV(val, adapter->portnum); |
| 629 | if ((val & 0x3) != QLCNIC_TYPE_NIC) { |
| 630 | dev_err(&adapter->pdev->dev, |
| 631 | "Not an Ethernet NIC func=%u\n", val); |
| 632 | return -EIO; |
Sucheta Chakraborty | b3a2464 | 2010-05-13 03:07:48 +0000 | [diff] [blame] | 633 | } |
Anirban Chakraborty | 45918e2 | 2010-06-29 07:52:12 +0000 | [diff] [blame] | 634 | adapter->physical_port = (val >> 2); |
Sucheta Chakraborty | aa5e18c | 2010-04-01 19:01:32 +0000 | [diff] [blame] | 635 | if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo)) |
Sony Chacko | 251b036 | 2010-08-19 05:08:24 +0000 | [diff] [blame] | 636 | timeo = QLCNIC_INIT_TIMEOUT_SECS; |
Sucheta Chakraborty | aa5e18c | 2010-04-01 19:01:32 +0000 | [diff] [blame] | 637 | |
| 638 | adapter->dev_init_timeo = timeo; |
| 639 | |
| 640 | if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo)) |
Sony Chacko | 251b036 | 2010-08-19 05:08:24 +0000 | [diff] [blame] | 641 | timeo = QLCNIC_RESET_TIMEOUT_SECS; |
Sucheta Chakraborty | aa5e18c | 2010-04-01 19:01:32 +0000 | [diff] [blame] | 642 | |
| 643 | adapter->reset_ack_timeo = timeo; |
Sucheta Chakraborty | b3a2464 | 2010-05-13 03:07:48 +0000 | [diff] [blame] | 644 | |
| 645 | return 0; |
Sucheta Chakraborty | aa5e18c | 2010-04-01 19:01:32 +0000 | [diff] [blame] | 646 | } |
| 647 | |
schacko | 8f89138 | 2010-06-17 02:56:40 +0000 | [diff] [blame] | 648 | int |
| 649 | qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter) |
| 650 | { |
| 651 | u32 ver = -1, min_ver; |
| 652 | |
| 653 | qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET, (int *)&ver); |
| 654 | |
| 655 | ver = QLCNIC_DECODE_VERSION(ver); |
| 656 | min_ver = QLCNIC_MIN_FW_VERSION; |
| 657 | |
| 658 | if (ver < min_ver) { |
| 659 | dev_err(&adapter->pdev->dev, |
| 660 | "firmware version %d.%d.%d unsupported." |
| 661 | "Min supported version %d.%d.%d\n", |
| 662 | _major(ver), _minor(ver), _build(ver), |
| 663 | _major(min_ver), _minor(min_ver), _build(min_ver)); |
| 664 | return -EINVAL; |
| 665 | } |
| 666 | |
| 667 | return 0; |
| 668 | } |
| 669 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 670 | static int |
| 671 | qlcnic_has_mn(struct qlcnic_adapter *adapter) |
| 672 | { |
schacko | 8f89138 | 2010-06-17 02:56:40 +0000 | [diff] [blame] | 673 | u32 capability; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 674 | capability = 0; |
| 675 | |
Amit Kumar Salecha | 251a84c | 2010-05-13 03:07:46 +0000 | [diff] [blame] | 676 | capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY); |
| 677 | if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) |
| 678 | return 1; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 679 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 680 | return 0; |
| 681 | } |
| 682 | |
| 683 | static |
| 684 | struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section) |
| 685 | { |
| 686 | u32 i; |
| 687 | struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; |
| 688 | __le32 entries = cpu_to_le32(directory->num_entries); |
| 689 | |
| 690 | for (i = 0; i < entries; i++) { |
| 691 | |
| 692 | __le32 offs = cpu_to_le32(directory->findex) + |
| 693 | (i * cpu_to_le32(directory->entry_size)); |
| 694 | __le32 tab_type = cpu_to_le32(*((u32 *)&unirom[offs] + 8)); |
| 695 | |
| 696 | if (tab_type == section) |
| 697 | return (struct uni_table_desc *) &unirom[offs]; |
| 698 | } |
| 699 | |
| 700 | return NULL; |
| 701 | } |
| 702 | |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 703 | #define FILEHEADER_SIZE (14 * 4) |
| 704 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 705 | static int |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 706 | qlcnic_validate_header(struct qlcnic_adapter *adapter) |
| 707 | { |
| 708 | const u8 *unirom = adapter->fw->data; |
| 709 | struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; |
| 710 | __le32 fw_file_size = adapter->fw->size; |
| 711 | __le32 entries; |
| 712 | __le32 entry_size; |
| 713 | __le32 tab_size; |
| 714 | |
| 715 | if (fw_file_size < FILEHEADER_SIZE) |
| 716 | return -EINVAL; |
| 717 | |
| 718 | entries = cpu_to_le32(directory->num_entries); |
| 719 | entry_size = cpu_to_le32(directory->entry_size); |
| 720 | tab_size = cpu_to_le32(directory->findex) + (entries * entry_size); |
| 721 | |
| 722 | if (fw_file_size < tab_size) |
| 723 | return -EINVAL; |
| 724 | |
| 725 | return 0; |
| 726 | } |
| 727 | |
| 728 | static int |
| 729 | qlcnic_validate_bootld(struct qlcnic_adapter *adapter) |
| 730 | { |
| 731 | struct uni_table_desc *tab_desc; |
| 732 | struct uni_data_desc *descr; |
| 733 | const u8 *unirom = adapter->fw->data; |
| 734 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + |
| 735 | QLCNIC_UNI_BOOTLD_IDX_OFF)); |
| 736 | __le32 offs; |
| 737 | __le32 tab_size; |
| 738 | __le32 data_size; |
| 739 | |
| 740 | tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD); |
| 741 | |
| 742 | if (!tab_desc) |
| 743 | return -EINVAL; |
| 744 | |
| 745 | tab_size = cpu_to_le32(tab_desc->findex) + |
Amit Kumar Salecha | 22dfaa8 | 2010-04-01 19:01:35 +0000 | [diff] [blame] | 746 | (cpu_to_le32(tab_desc->entry_size) * (idx + 1)); |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 747 | |
| 748 | if (adapter->fw->size < tab_size) |
| 749 | return -EINVAL; |
| 750 | |
| 751 | offs = cpu_to_le32(tab_desc->findex) + |
| 752 | (cpu_to_le32(tab_desc->entry_size) * (idx)); |
| 753 | descr = (struct uni_data_desc *)&unirom[offs]; |
| 754 | |
Amit Kumar Salecha | 22dfaa8 | 2010-04-01 19:01:35 +0000 | [diff] [blame] | 755 | data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size); |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 756 | |
| 757 | if (adapter->fw->size < data_size) |
| 758 | return -EINVAL; |
| 759 | |
| 760 | return 0; |
| 761 | } |
| 762 | |
| 763 | static int |
| 764 | qlcnic_validate_fw(struct qlcnic_adapter *adapter) |
| 765 | { |
| 766 | struct uni_table_desc *tab_desc; |
| 767 | struct uni_data_desc *descr; |
| 768 | const u8 *unirom = adapter->fw->data; |
| 769 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + |
| 770 | QLCNIC_UNI_FIRMWARE_IDX_OFF)); |
| 771 | __le32 offs; |
| 772 | __le32 tab_size; |
| 773 | __le32 data_size; |
| 774 | |
| 775 | tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW); |
| 776 | |
| 777 | if (!tab_desc) |
| 778 | return -EINVAL; |
| 779 | |
| 780 | tab_size = cpu_to_le32(tab_desc->findex) + |
Amit Kumar Salecha | 22dfaa8 | 2010-04-01 19:01:35 +0000 | [diff] [blame] | 781 | (cpu_to_le32(tab_desc->entry_size) * (idx + 1)); |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 782 | |
| 783 | if (adapter->fw->size < tab_size) |
| 784 | return -EINVAL; |
| 785 | |
| 786 | offs = cpu_to_le32(tab_desc->findex) + |
| 787 | (cpu_to_le32(tab_desc->entry_size) * (idx)); |
| 788 | descr = (struct uni_data_desc *)&unirom[offs]; |
Amit Kumar Salecha | 22dfaa8 | 2010-04-01 19:01:35 +0000 | [diff] [blame] | 789 | data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size); |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 790 | |
| 791 | if (adapter->fw->size < data_size) |
| 792 | return -EINVAL; |
| 793 | |
| 794 | return 0; |
| 795 | } |
| 796 | |
| 797 | static int |
| 798 | qlcnic_validate_product_offs(struct qlcnic_adapter *adapter) |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 799 | { |
| 800 | struct uni_table_desc *ptab_descr; |
| 801 | const u8 *unirom = adapter->fw->data; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 802 | int mn_present = qlcnic_has_mn(adapter); |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 803 | __le32 entries; |
| 804 | __le32 entry_size; |
| 805 | __le32 tab_size; |
| 806 | u32 i; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 807 | |
| 808 | ptab_descr = qlcnic_get_table_desc(unirom, |
| 809 | QLCNIC_UNI_DIR_SECT_PRODUCT_TBL); |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 810 | if (!ptab_descr) |
| 811 | return -EINVAL; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 812 | |
| 813 | entries = cpu_to_le32(ptab_descr->num_entries); |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 814 | entry_size = cpu_to_le32(ptab_descr->entry_size); |
| 815 | tab_size = cpu_to_le32(ptab_descr->findex) + (entries * entry_size); |
| 816 | |
| 817 | if (adapter->fw->size < tab_size) |
| 818 | return -EINVAL; |
| 819 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 820 | nomn: |
| 821 | for (i = 0; i < entries; i++) { |
| 822 | |
| 823 | __le32 flags, file_chiprev, offs; |
| 824 | u8 chiprev = adapter->ahw.revision_id; |
| 825 | u32 flagbit; |
| 826 | |
| 827 | offs = cpu_to_le32(ptab_descr->findex) + |
| 828 | (i * cpu_to_le32(ptab_descr->entry_size)); |
| 829 | flags = cpu_to_le32(*((int *)&unirom[offs] + |
| 830 | QLCNIC_UNI_FLAGS_OFF)); |
| 831 | file_chiprev = cpu_to_le32(*((int *)&unirom[offs] + |
| 832 | QLCNIC_UNI_CHIP_REV_OFF)); |
| 833 | |
| 834 | flagbit = mn_present ? 1 : 2; |
| 835 | |
| 836 | if ((chiprev == file_chiprev) && |
| 837 | ((1ULL << flagbit) & flags)) { |
| 838 | adapter->file_prd_off = offs; |
| 839 | return 0; |
| 840 | } |
| 841 | } |
| 842 | if (mn_present) { |
| 843 | mn_present = 0; |
| 844 | goto nomn; |
| 845 | } |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 846 | return -EINVAL; |
| 847 | } |
| 848 | |
| 849 | static int |
| 850 | qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter) |
| 851 | { |
| 852 | if (qlcnic_validate_header(adapter)) { |
| 853 | dev_err(&adapter->pdev->dev, |
| 854 | "unified image: header validation failed\n"); |
| 855 | return -EINVAL; |
| 856 | } |
| 857 | |
| 858 | if (qlcnic_validate_product_offs(adapter)) { |
| 859 | dev_err(&adapter->pdev->dev, |
| 860 | "unified image: product validation failed\n"); |
| 861 | return -EINVAL; |
| 862 | } |
| 863 | |
| 864 | if (qlcnic_validate_bootld(adapter)) { |
| 865 | dev_err(&adapter->pdev->dev, |
| 866 | "unified image: bootld validation failed\n"); |
| 867 | return -EINVAL; |
| 868 | } |
| 869 | |
| 870 | if (qlcnic_validate_fw(adapter)) { |
| 871 | dev_err(&adapter->pdev->dev, |
| 872 | "unified image: firmware validation failed\n"); |
| 873 | return -EINVAL; |
| 874 | } |
| 875 | |
| 876 | return 0; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 877 | } |
| 878 | |
| 879 | static |
| 880 | struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter, |
| 881 | u32 section, u32 idx_offset) |
| 882 | { |
| 883 | const u8 *unirom = adapter->fw->data; |
| 884 | int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] + |
| 885 | idx_offset)); |
| 886 | struct uni_table_desc *tab_desc; |
| 887 | __le32 offs; |
| 888 | |
| 889 | tab_desc = qlcnic_get_table_desc(unirom, section); |
| 890 | |
| 891 | if (tab_desc == NULL) |
| 892 | return NULL; |
| 893 | |
| 894 | offs = cpu_to_le32(tab_desc->findex) + |
| 895 | (cpu_to_le32(tab_desc->entry_size) * idx); |
| 896 | |
| 897 | return (struct uni_data_desc *)&unirom[offs]; |
| 898 | } |
| 899 | |
| 900 | static u8 * |
| 901 | qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter) |
| 902 | { |
| 903 | u32 offs = QLCNIC_BOOTLD_START; |
| 904 | |
| 905 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) |
| 906 | offs = cpu_to_le32((qlcnic_get_data_desc(adapter, |
| 907 | QLCNIC_UNI_DIR_SECT_BOOTLD, |
| 908 | QLCNIC_UNI_BOOTLD_IDX_OFF))->findex); |
| 909 | |
| 910 | return (u8 *)&adapter->fw->data[offs]; |
| 911 | } |
| 912 | |
| 913 | static u8 * |
| 914 | qlcnic_get_fw_offs(struct qlcnic_adapter *adapter) |
| 915 | { |
| 916 | u32 offs = QLCNIC_IMAGE_START; |
| 917 | |
| 918 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) |
| 919 | offs = cpu_to_le32((qlcnic_get_data_desc(adapter, |
| 920 | QLCNIC_UNI_DIR_SECT_FW, |
| 921 | QLCNIC_UNI_FIRMWARE_IDX_OFF))->findex); |
| 922 | |
| 923 | return (u8 *)&adapter->fw->data[offs]; |
| 924 | } |
| 925 | |
| 926 | static __le32 |
| 927 | qlcnic_get_fw_size(struct qlcnic_adapter *adapter) |
| 928 | { |
| 929 | if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE) |
| 930 | return cpu_to_le32((qlcnic_get_data_desc(adapter, |
| 931 | QLCNIC_UNI_DIR_SECT_FW, |
| 932 | QLCNIC_UNI_FIRMWARE_IDX_OFF))->size); |
| 933 | else |
| 934 | return cpu_to_le32( |
| 935 | *(u32 *)&adapter->fw->data[QLCNIC_FW_SIZE_OFFSET]); |
| 936 | } |
| 937 | |
| 938 | static __le32 |
| 939 | qlcnic_get_fw_version(struct qlcnic_adapter *adapter) |
| 940 | { |
| 941 | struct uni_data_desc *fw_data_desc; |
| 942 | const struct firmware *fw = adapter->fw; |
| 943 | __le32 major, minor, sub; |
| 944 | const u8 *ver_str; |
| 945 | int i, ret; |
| 946 | |
| 947 | if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE) |
| 948 | return cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET]); |
| 949 | |
| 950 | fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, |
| 951 | QLCNIC_UNI_FIRMWARE_IDX_OFF); |
| 952 | ver_str = fw->data + cpu_to_le32(fw_data_desc->findex) + |
| 953 | cpu_to_le32(fw_data_desc->size) - 17; |
| 954 | |
| 955 | for (i = 0; i < 12; i++) { |
| 956 | if (!strncmp(&ver_str[i], "REV=", 4)) { |
| 957 | ret = sscanf(&ver_str[i+4], "%u.%u.%u ", |
| 958 | &major, &minor, &sub); |
| 959 | if (ret != 3) |
| 960 | return 0; |
| 961 | else |
| 962 | return major + (minor << 8) + (sub << 16); |
| 963 | } |
| 964 | } |
| 965 | |
| 966 | return 0; |
| 967 | } |
| 968 | |
| 969 | static __le32 |
| 970 | qlcnic_get_bios_version(struct qlcnic_adapter *adapter) |
| 971 | { |
| 972 | const struct firmware *fw = adapter->fw; |
| 973 | __le32 bios_ver, prd_off = adapter->file_prd_off; |
| 974 | |
| 975 | if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE) |
| 976 | return cpu_to_le32( |
| 977 | *(u32 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET]); |
| 978 | |
| 979 | bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off]) |
| 980 | + QLCNIC_UNI_BIOS_VERSION_OFF)); |
| 981 | |
Amit Kumar Salecha | addd5ab | 2010-03-08 00:14:49 +0000 | [diff] [blame] | 982 | return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 983 | } |
| 984 | |
Sucheta Chakraborty | 091754a | 2010-08-19 05:08:32 +0000 | [diff] [blame] | 985 | static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter) |
| 986 | { |
| 987 | if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID)) |
| 988 | dev_info(&adapter->pdev->dev, "Resetting rom_lock\n"); |
| 989 | |
| 990 | qlcnic_pcie_sem_unlock(adapter, 2); |
| 991 | } |
| 992 | |
Sony Chacko | 4e70812 | 2010-08-31 17:17:44 +0000 | [diff] [blame] | 993 | static int |
| 994 | qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter) |
| 995 | { |
| 996 | u32 heartbeat, ret = -EIO; |
| 997 | int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; |
| 998 | |
| 999 | adapter->heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); |
| 1000 | |
| 1001 | do { |
| 1002 | msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); |
| 1003 | heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); |
| 1004 | if (heartbeat != adapter->heartbeat) { |
| 1005 | ret = QLCNIC_RCODE_SUCCESS; |
| 1006 | break; |
| 1007 | } |
| 1008 | } while (--retries); |
| 1009 | |
| 1010 | return ret; |
| 1011 | } |
| 1012 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1013 | int |
| 1014 | qlcnic_need_fw_reset(struct qlcnic_adapter *adapter) |
| 1015 | { |
Sony Chacko | 4e70812 | 2010-08-31 17:17:44 +0000 | [diff] [blame] | 1016 | if (qlcnic_check_fw_hearbeat(adapter)) { |
Sucheta Chakraborty | 091754a | 2010-08-19 05:08:32 +0000 | [diff] [blame] | 1017 | qlcnic_rom_lock_recovery(adapter); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1018 | return 1; |
Sucheta Chakraborty | 091754a | 2010-08-19 05:08:32 +0000 | [diff] [blame] | 1019 | } |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1020 | |
Sucheta Chakraborty | 091754a | 2010-08-19 05:08:32 +0000 | [diff] [blame] | 1021 | if (adapter->need_fw_reset) |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1022 | return 1; |
| 1023 | |
Amit Kumar Salecha | 97f29d8 | 2010-09-16 19:14:42 +0000 | [diff] [blame] | 1024 | if (adapter->fw) |
| 1025 | return 1; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1026 | |
| 1027 | return 0; |
| 1028 | } |
| 1029 | |
| 1030 | static const char *fw_name[] = { |
| 1031 | QLCNIC_UNIFIED_ROMIMAGE_NAME, |
| 1032 | QLCNIC_FLASH_ROMIMAGE_NAME, |
| 1033 | }; |
| 1034 | |
| 1035 | int |
| 1036 | qlcnic_load_firmware(struct qlcnic_adapter *adapter) |
| 1037 | { |
| 1038 | u64 *ptr64; |
| 1039 | u32 i, flashaddr, size; |
| 1040 | const struct firmware *fw = adapter->fw; |
| 1041 | struct pci_dev *pdev = adapter->pdev; |
| 1042 | |
| 1043 | dev_info(&pdev->dev, "loading firmware from %s\n", |
| 1044 | fw_name[adapter->fw_type]); |
| 1045 | |
| 1046 | if (fw) { |
| 1047 | __le64 data; |
| 1048 | |
| 1049 | size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; |
| 1050 | |
| 1051 | ptr64 = (u64 *)qlcnic_get_bootld_offs(adapter); |
| 1052 | flashaddr = QLCNIC_BOOTLD_START; |
| 1053 | |
| 1054 | for (i = 0; i < size; i++) { |
| 1055 | data = cpu_to_le64(ptr64[i]); |
| 1056 | |
| 1057 | if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data)) |
| 1058 | return -EIO; |
| 1059 | |
| 1060 | flashaddr += 8; |
| 1061 | } |
| 1062 | |
| 1063 | size = (__force u32)qlcnic_get_fw_size(adapter) / 8; |
| 1064 | |
| 1065 | ptr64 = (u64 *)qlcnic_get_fw_offs(adapter); |
| 1066 | flashaddr = QLCNIC_IMAGE_START; |
| 1067 | |
| 1068 | for (i = 0; i < size; i++) { |
| 1069 | data = cpu_to_le64(ptr64[i]); |
| 1070 | |
| 1071 | if (qlcnic_pci_mem_write_2M(adapter, |
| 1072 | flashaddr, data)) |
| 1073 | return -EIO; |
| 1074 | |
| 1075 | flashaddr += 8; |
| 1076 | } |
Amit Kumar Salecha | 0bc92b5 | 2010-04-01 19:01:28 +0000 | [diff] [blame] | 1077 | |
| 1078 | size = (__force u32)qlcnic_get_fw_size(adapter) % 8; |
| 1079 | if (size) { |
| 1080 | data = cpu_to_le64(ptr64[i]); |
| 1081 | |
| 1082 | if (qlcnic_pci_mem_write_2M(adapter, |
| 1083 | flashaddr, data)) |
| 1084 | return -EIO; |
| 1085 | } |
| 1086 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1087 | } else { |
| 1088 | u64 data; |
| 1089 | u32 hi, lo; |
| 1090 | |
| 1091 | size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; |
| 1092 | flashaddr = QLCNIC_BOOTLD_START; |
| 1093 | |
| 1094 | for (i = 0; i < size; i++) { |
| 1095 | if (qlcnic_rom_fast_read(adapter, |
| 1096 | flashaddr, (int *)&lo) != 0) |
| 1097 | return -EIO; |
| 1098 | if (qlcnic_rom_fast_read(adapter, |
| 1099 | flashaddr + 4, (int *)&hi) != 0) |
| 1100 | return -EIO; |
| 1101 | |
| 1102 | data = (((u64)hi << 32) | lo); |
| 1103 | |
| 1104 | if (qlcnic_pci_mem_write_2M(adapter, |
| 1105 | flashaddr, data)) |
| 1106 | return -EIO; |
| 1107 | |
| 1108 | flashaddr += 8; |
| 1109 | } |
| 1110 | } |
| 1111 | msleep(1); |
| 1112 | |
| 1113 | QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020); |
| 1114 | QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e); |
| 1115 | return 0; |
| 1116 | } |
| 1117 | |
| 1118 | static int |
| 1119 | qlcnic_validate_firmware(struct qlcnic_adapter *adapter) |
| 1120 | { |
| 1121 | __le32 val; |
schacko | 8f89138 | 2010-06-17 02:56:40 +0000 | [diff] [blame] | 1122 | u32 ver, bios, min_size; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1123 | struct pci_dev *pdev = adapter->pdev; |
| 1124 | const struct firmware *fw = adapter->fw; |
| 1125 | u8 fw_type = adapter->fw_type; |
| 1126 | |
| 1127 | if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) { |
Sucheta Chakraborty | b7eff10 | 2010-03-08 00:14:48 +0000 | [diff] [blame] | 1128 | if (qlcnic_validate_unified_romimage(adapter)) |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1129 | return -EINVAL; |
| 1130 | |
| 1131 | min_size = QLCNIC_UNI_FW_MIN_SIZE; |
| 1132 | } else { |
| 1133 | val = cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]); |
| 1134 | if ((__force u32)val != QLCNIC_BDINFO_MAGIC) |
| 1135 | return -EINVAL; |
| 1136 | |
| 1137 | min_size = QLCNIC_FW_MIN_SIZE; |
| 1138 | } |
| 1139 | |
| 1140 | if (fw->size < min_size) |
| 1141 | return -EINVAL; |
| 1142 | |
| 1143 | val = qlcnic_get_fw_version(adapter); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1144 | ver = QLCNIC_DECODE_VERSION(val); |
| 1145 | |
schacko | 8f89138 | 2010-06-17 02:56:40 +0000 | [diff] [blame] | 1146 | if (ver < QLCNIC_MIN_FW_VERSION) { |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1147 | dev_err(&pdev->dev, |
| 1148 | "%s: firmware version %d.%d.%d unsupported\n", |
| 1149 | fw_name[fw_type], _major(ver), _minor(ver), _build(ver)); |
| 1150 | return -EINVAL; |
| 1151 | } |
| 1152 | |
| 1153 | val = qlcnic_get_bios_version(adapter); |
| 1154 | qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios); |
| 1155 | if ((__force u32)val != bios) { |
| 1156 | dev_err(&pdev->dev, "%s: firmware bios is incompatible\n", |
| 1157 | fw_name[fw_type]); |
| 1158 | return -EINVAL; |
| 1159 | } |
| 1160 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1161 | QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC); |
| 1162 | return 0; |
| 1163 | } |
| 1164 | |
| 1165 | static void |
| 1166 | qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter) |
| 1167 | { |
| 1168 | u8 fw_type; |
| 1169 | |
| 1170 | switch (adapter->fw_type) { |
| 1171 | case QLCNIC_UNKNOWN_ROMIMAGE: |
| 1172 | fw_type = QLCNIC_UNIFIED_ROMIMAGE; |
| 1173 | break; |
| 1174 | |
| 1175 | case QLCNIC_UNIFIED_ROMIMAGE: |
| 1176 | default: |
| 1177 | fw_type = QLCNIC_FLASH_ROMIMAGE; |
| 1178 | break; |
| 1179 | } |
| 1180 | |
| 1181 | adapter->fw_type = fw_type; |
| 1182 | } |
| 1183 | |
| 1184 | |
| 1185 | |
| 1186 | void qlcnic_request_firmware(struct qlcnic_adapter *adapter) |
| 1187 | { |
| 1188 | struct pci_dev *pdev = adapter->pdev; |
| 1189 | int rc; |
| 1190 | |
| 1191 | adapter->fw_type = QLCNIC_UNKNOWN_ROMIMAGE; |
| 1192 | |
| 1193 | next: |
| 1194 | qlcnic_get_next_fwtype(adapter); |
| 1195 | |
| 1196 | if (adapter->fw_type == QLCNIC_FLASH_ROMIMAGE) { |
| 1197 | adapter->fw = NULL; |
| 1198 | } else { |
| 1199 | rc = request_firmware(&adapter->fw, |
| 1200 | fw_name[adapter->fw_type], &pdev->dev); |
| 1201 | if (rc != 0) |
| 1202 | goto next; |
| 1203 | |
| 1204 | rc = qlcnic_validate_firmware(adapter); |
| 1205 | if (rc != 0) { |
| 1206 | release_firmware(adapter->fw); |
| 1207 | msleep(1); |
| 1208 | goto next; |
| 1209 | } |
| 1210 | } |
| 1211 | } |
| 1212 | |
| 1213 | |
| 1214 | void |
| 1215 | qlcnic_release_firmware(struct qlcnic_adapter *adapter) |
| 1216 | { |
| 1217 | if (adapter->fw) |
| 1218 | release_firmware(adapter->fw); |
| 1219 | adapter->fw = NULL; |
| 1220 | } |
| 1221 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1222 | static void |
| 1223 | qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, |
| 1224 | struct qlcnic_fw_msg *msg) |
| 1225 | { |
| 1226 | u32 cable_OUI; |
| 1227 | u16 cable_len; |
| 1228 | u16 link_speed; |
| 1229 | u8 link_status, module, duplex, autoneg; |
| 1230 | struct net_device *netdev = adapter->netdev; |
| 1231 | |
| 1232 | adapter->has_link_events = 1; |
| 1233 | |
| 1234 | cable_OUI = msg->body[1] & 0xffffffff; |
| 1235 | cable_len = (msg->body[1] >> 32) & 0xffff; |
| 1236 | link_speed = (msg->body[1] >> 48) & 0xffff; |
| 1237 | |
| 1238 | link_status = msg->body[2] & 0xff; |
| 1239 | duplex = (msg->body[2] >> 16) & 0xff; |
| 1240 | autoneg = (msg->body[2] >> 24) & 0xff; |
| 1241 | |
| 1242 | module = (msg->body[2] >> 8) & 0xff; |
| 1243 | if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) |
| 1244 | dev_info(&netdev->dev, "unsupported cable: OUI 0x%x, " |
| 1245 | "length %d\n", cable_OUI, cable_len); |
| 1246 | else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN) |
| 1247 | dev_info(&netdev->dev, "unsupported cable length %d\n", |
| 1248 | cable_len); |
| 1249 | |
| 1250 | qlcnic_advert_link_change(adapter, link_status); |
| 1251 | |
| 1252 | if (duplex == LINKEVENT_FULL_DUPLEX) |
| 1253 | adapter->link_duplex = DUPLEX_FULL; |
| 1254 | else |
| 1255 | adapter->link_duplex = DUPLEX_HALF; |
| 1256 | |
| 1257 | adapter->module_type = module; |
| 1258 | adapter->link_autoneg = autoneg; |
| 1259 | adapter->link_speed = link_speed; |
| 1260 | } |
| 1261 | |
| 1262 | static void |
| 1263 | qlcnic_handle_fw_message(int desc_cnt, int index, |
| 1264 | struct qlcnic_host_sds_ring *sds_ring) |
| 1265 | { |
| 1266 | struct qlcnic_fw_msg msg; |
| 1267 | struct status_desc *desc; |
| 1268 | int i = 0, opcode; |
| 1269 | |
| 1270 | while (desc_cnt > 0 && i < 8) { |
| 1271 | desc = &sds_ring->desc_head[index]; |
| 1272 | msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]); |
| 1273 | msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]); |
| 1274 | |
| 1275 | index = get_next_index(index, sds_ring->num_desc); |
| 1276 | desc_cnt--; |
| 1277 | } |
| 1278 | |
| 1279 | opcode = qlcnic_get_nic_msg_opcode(msg.body[0]); |
| 1280 | switch (opcode) { |
| 1281 | case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE: |
| 1282 | qlcnic_handle_linkevent(sds_ring->adapter, &msg); |
| 1283 | break; |
| 1284 | default: |
| 1285 | break; |
| 1286 | } |
| 1287 | } |
| 1288 | |
| 1289 | static int |
| 1290 | qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter, |
| 1291 | struct qlcnic_host_rds_ring *rds_ring, |
| 1292 | struct qlcnic_rx_buffer *buffer) |
| 1293 | { |
| 1294 | struct sk_buff *skb; |
| 1295 | dma_addr_t dma; |
| 1296 | struct pci_dev *pdev = adapter->pdev; |
| 1297 | |
Amit Kumar Salecha | 9665982 | 2010-06-22 03:18:58 +0000 | [diff] [blame] | 1298 | skb = dev_alloc_skb(rds_ring->skb_size); |
| 1299 | if (!skb) { |
Sucheta Chakraborty | 8bfe8b9 | 2010-03-08 00:14:46 +0000 | [diff] [blame] | 1300 | adapter->stats.skb_alloc_failure++; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1301 | return -ENOMEM; |
Sucheta Chakraborty | 8bfe8b9 | 2010-03-08 00:14:46 +0000 | [diff] [blame] | 1302 | } |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1303 | |
Eric Dumazet | 04746ff | 2010-09-17 22:58:08 -0700 | [diff] [blame] | 1304 | skb_reserve(skb, NET_IP_ALIGN); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1305 | |
| 1306 | dma = pci_map_single(pdev, skb->data, |
| 1307 | rds_ring->dma_size, PCI_DMA_FROMDEVICE); |
| 1308 | |
| 1309 | if (pci_dma_mapping_error(pdev, dma)) { |
Amit Kumar Salecha | 8ae6df9 | 2010-04-22 02:51:35 +0000 | [diff] [blame] | 1310 | adapter->stats.rx_dma_map_error++; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1311 | dev_kfree_skb_any(skb); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1312 | return -ENOMEM; |
| 1313 | } |
| 1314 | |
| 1315 | buffer->skb = skb; |
| 1316 | buffer->dma = dma; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1317 | |
| 1318 | return 0; |
| 1319 | } |
| 1320 | |
| 1321 | static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter, |
| 1322 | struct qlcnic_host_rds_ring *rds_ring, u16 index, u16 cksum) |
| 1323 | { |
| 1324 | struct qlcnic_rx_buffer *buffer; |
| 1325 | struct sk_buff *skb; |
| 1326 | |
| 1327 | buffer = &rds_ring->rx_buf_arr[index]; |
| 1328 | |
Amit Kumar Salecha | 9665982 | 2010-06-22 03:18:58 +0000 | [diff] [blame] | 1329 | if (unlikely(buffer->skb == NULL)) { |
| 1330 | WARN_ON(1); |
| 1331 | return NULL; |
| 1332 | } |
| 1333 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1334 | pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size, |
| 1335 | PCI_DMA_FROMDEVICE); |
| 1336 | |
| 1337 | skb = buffer->skb; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1338 | |
Amit Kumar Salecha | d807b3f | 2010-08-31 17:17:53 +0000 | [diff] [blame] | 1339 | if (likely(adapter->rx_csum && (cksum == STATUS_CKSUM_OK || |
| 1340 | cksum == STATUS_CKSUM_LOOP))) { |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1341 | adapter->stats.csummed++; |
| 1342 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 1343 | } else { |
Eric Dumazet | bc8acf2 | 2010-09-02 13:07:41 -0700 | [diff] [blame] | 1344 | skb_checksum_none_assert(skb); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1345 | } |
| 1346 | |
| 1347 | skb->dev = adapter->netdev; |
| 1348 | |
| 1349 | buffer->skb = NULL; |
Amit Kumar Salecha | 9665982 | 2010-06-22 03:18:58 +0000 | [diff] [blame] | 1350 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1351 | return skb; |
| 1352 | } |
| 1353 | |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 1354 | static int |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1355 | qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter, struct sk_buff *skb, |
| 1356 | u16 *vlan_tag) |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 1357 | { |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 1358 | struct ethhdr *eth_hdr; |
| 1359 | |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1360 | if (!__vlan_get_tag(skb, vlan_tag)) { |
| 1361 | eth_hdr = (struct ethhdr *) skb->data; |
| 1362 | memmove(skb->data + VLAN_HLEN, eth_hdr, ETH_ALEN * 2); |
| 1363 | skb_pull(skb, VLAN_HLEN); |
| 1364 | } |
| 1365 | if (!adapter->pvid) |
| 1366 | return 0; |
| 1367 | |
| 1368 | if (*vlan_tag == adapter->pvid) { |
| 1369 | /* Outer vlan tag. Packet should follow non-vlan path */ |
| 1370 | *vlan_tag = 0xffff; |
| 1371 | return 0; |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 1372 | } |
| 1373 | if (adapter->flags & QLCNIC_TAGGING_ENABLED) |
| 1374 | return 0; |
| 1375 | |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1376 | return -EINVAL; |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 1377 | } |
| 1378 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1379 | static struct qlcnic_rx_buffer * |
| 1380 | qlcnic_process_rcv(struct qlcnic_adapter *adapter, |
| 1381 | struct qlcnic_host_sds_ring *sds_ring, |
| 1382 | int ring, u64 sts_data0) |
| 1383 | { |
| 1384 | struct net_device *netdev = adapter->netdev; |
| 1385 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; |
| 1386 | struct qlcnic_rx_buffer *buffer; |
| 1387 | struct sk_buff *skb; |
| 1388 | struct qlcnic_host_rds_ring *rds_ring; |
| 1389 | int index, length, cksum, pkt_offset; |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1390 | u16 vid = 0xffff; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1391 | |
| 1392 | if (unlikely(ring >= adapter->max_rds_rings)) |
| 1393 | return NULL; |
| 1394 | |
| 1395 | rds_ring = &recv_ctx->rds_rings[ring]; |
| 1396 | |
| 1397 | index = qlcnic_get_sts_refhandle(sts_data0); |
| 1398 | if (unlikely(index >= rds_ring->num_desc)) |
| 1399 | return NULL; |
| 1400 | |
| 1401 | buffer = &rds_ring->rx_buf_arr[index]; |
| 1402 | |
| 1403 | length = qlcnic_get_sts_totallength(sts_data0); |
| 1404 | cksum = qlcnic_get_sts_status(sts_data0); |
| 1405 | pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0); |
| 1406 | |
| 1407 | skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); |
| 1408 | if (!skb) |
| 1409 | return buffer; |
| 1410 | |
| 1411 | if (length > rds_ring->skb_size) |
| 1412 | skb_put(skb, rds_ring->skb_size); |
| 1413 | else |
| 1414 | skb_put(skb, length); |
| 1415 | |
| 1416 | if (pkt_offset) |
| 1417 | skb_pull(skb, pkt_offset); |
| 1418 | |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1419 | if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) { |
| 1420 | adapter->stats.rxdropped++; |
| 1421 | dev_kfree_skb(skb); |
| 1422 | return buffer; |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 1423 | } |
| 1424 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1425 | skb->protocol = eth_type_trans(skb, netdev); |
| 1426 | |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1427 | if ((vid != 0xffff) && adapter->vlgrp) |
Amit Kumar Salecha | 5718d3b | 2010-09-16 19:14:40 +0000 | [diff] [blame] | 1428 | vlan_gro_receive(&sds_ring->napi, adapter->vlgrp, vid, skb); |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1429 | else |
| 1430 | napi_gro_receive(&sds_ring->napi, skb); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1431 | |
| 1432 | adapter->stats.rx_pkts++; |
| 1433 | adapter->stats.rxbytes += length; |
| 1434 | |
| 1435 | return buffer; |
| 1436 | } |
| 1437 | |
| 1438 | #define QLC_TCP_HDR_SIZE 20 |
| 1439 | #define QLC_TCP_TS_OPTION_SIZE 12 |
| 1440 | #define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE) |
| 1441 | |
| 1442 | static struct qlcnic_rx_buffer * |
| 1443 | qlcnic_process_lro(struct qlcnic_adapter *adapter, |
| 1444 | struct qlcnic_host_sds_ring *sds_ring, |
| 1445 | int ring, u64 sts_data0, u64 sts_data1) |
| 1446 | { |
| 1447 | struct net_device *netdev = adapter->netdev; |
| 1448 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; |
| 1449 | struct qlcnic_rx_buffer *buffer; |
| 1450 | struct sk_buff *skb; |
| 1451 | struct qlcnic_host_rds_ring *rds_ring; |
| 1452 | struct iphdr *iph; |
| 1453 | struct tcphdr *th; |
| 1454 | bool push, timestamp; |
| 1455 | int l2_hdr_offset, l4_hdr_offset; |
| 1456 | int index; |
| 1457 | u16 lro_length, length, data_offset; |
| 1458 | u32 seq_number; |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1459 | u16 vid = 0xffff; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1460 | |
| 1461 | if (unlikely(ring > adapter->max_rds_rings)) |
| 1462 | return NULL; |
| 1463 | |
| 1464 | rds_ring = &recv_ctx->rds_rings[ring]; |
| 1465 | |
| 1466 | index = qlcnic_get_lro_sts_refhandle(sts_data0); |
| 1467 | if (unlikely(index > rds_ring->num_desc)) |
| 1468 | return NULL; |
| 1469 | |
| 1470 | buffer = &rds_ring->rx_buf_arr[index]; |
| 1471 | |
| 1472 | timestamp = qlcnic_get_lro_sts_timestamp(sts_data0); |
| 1473 | lro_length = qlcnic_get_lro_sts_length(sts_data0); |
| 1474 | l2_hdr_offset = qlcnic_get_lro_sts_l2_hdr_offset(sts_data0); |
| 1475 | l4_hdr_offset = qlcnic_get_lro_sts_l4_hdr_offset(sts_data0); |
| 1476 | push = qlcnic_get_lro_sts_push_flag(sts_data0); |
| 1477 | seq_number = qlcnic_get_lro_sts_seq_number(sts_data1); |
| 1478 | |
| 1479 | skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK); |
| 1480 | if (!skb) |
| 1481 | return buffer; |
| 1482 | |
| 1483 | if (timestamp) |
| 1484 | data_offset = l4_hdr_offset + QLC_TCP_TS_HDR_SIZE; |
| 1485 | else |
| 1486 | data_offset = l4_hdr_offset + QLC_TCP_HDR_SIZE; |
| 1487 | |
| 1488 | skb_put(skb, lro_length + data_offset); |
| 1489 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1490 | skb_pull(skb, l2_hdr_offset); |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 1491 | |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1492 | if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) { |
| 1493 | adapter->stats.rxdropped++; |
| 1494 | dev_kfree_skb(skb); |
| 1495 | return buffer; |
Amit Kumar Salecha | 8cf61f8 | 2010-08-25 04:03:03 +0000 | [diff] [blame] | 1496 | } |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1497 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1498 | skb->protocol = eth_type_trans(skb, netdev); |
| 1499 | |
| 1500 | iph = (struct iphdr *)skb->data; |
| 1501 | th = (struct tcphdr *)(skb->data + (iph->ihl << 2)); |
| 1502 | |
| 1503 | length = (iph->ihl << 2) + (th->doff << 2) + lro_length; |
| 1504 | iph->tot_len = htons(length); |
| 1505 | iph->check = 0; |
| 1506 | iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl); |
| 1507 | th->psh = push; |
| 1508 | th->seq = htonl(seq_number); |
| 1509 | |
| 1510 | length = skb->len; |
| 1511 | |
Amit Kumar Salecha | d579066 | 2010-09-16 19:14:39 +0000 | [diff] [blame] | 1512 | if ((vid != 0xffff) && adapter->vlgrp) |
| 1513 | vlan_hwaccel_receive_skb(skb, adapter->vlgrp, vid); |
| 1514 | else |
| 1515 | netif_receive_skb(skb); |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1516 | |
| 1517 | adapter->stats.lro_pkts++; |
Sucheta Chakraborty | 8bfe8b9 | 2010-03-08 00:14:46 +0000 | [diff] [blame] | 1518 | adapter->stats.lrobytes += length; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1519 | |
| 1520 | return buffer; |
| 1521 | } |
| 1522 | |
| 1523 | int |
| 1524 | qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max) |
| 1525 | { |
| 1526 | struct qlcnic_adapter *adapter = sds_ring->adapter; |
| 1527 | struct list_head *cur; |
| 1528 | struct status_desc *desc; |
| 1529 | struct qlcnic_rx_buffer *rxbuf; |
| 1530 | u64 sts_data0, sts_data1; |
| 1531 | |
| 1532 | int count = 0; |
| 1533 | int opcode, ring, desc_cnt; |
| 1534 | u32 consumer = sds_ring->consumer; |
| 1535 | |
| 1536 | while (count < max) { |
| 1537 | desc = &sds_ring->desc_head[consumer]; |
| 1538 | sts_data0 = le64_to_cpu(desc->status_desc_data[0]); |
| 1539 | |
| 1540 | if (!(sts_data0 & STATUS_OWNER_HOST)) |
| 1541 | break; |
| 1542 | |
| 1543 | desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0); |
| 1544 | opcode = qlcnic_get_sts_opcode(sts_data0); |
| 1545 | |
| 1546 | switch (opcode) { |
| 1547 | case QLCNIC_RXPKT_DESC: |
| 1548 | case QLCNIC_OLD_RXPKT_DESC: |
| 1549 | case QLCNIC_SYN_OFFLOAD: |
| 1550 | ring = qlcnic_get_sts_type(sts_data0); |
| 1551 | rxbuf = qlcnic_process_rcv(adapter, sds_ring, |
| 1552 | ring, sts_data0); |
| 1553 | break; |
| 1554 | case QLCNIC_LRO_DESC: |
| 1555 | ring = qlcnic_get_lro_sts_type(sts_data0); |
| 1556 | sts_data1 = le64_to_cpu(desc->status_desc_data[1]); |
| 1557 | rxbuf = qlcnic_process_lro(adapter, sds_ring, |
| 1558 | ring, sts_data0, sts_data1); |
| 1559 | break; |
| 1560 | case QLCNIC_RESPONSE_DESC: |
| 1561 | qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring); |
| 1562 | default: |
| 1563 | goto skip; |
| 1564 | } |
| 1565 | |
| 1566 | WARN_ON(desc_cnt > 1); |
| 1567 | |
Amit Kumar Salecha | 9665982 | 2010-06-22 03:18:58 +0000 | [diff] [blame] | 1568 | if (likely(rxbuf)) |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1569 | list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]); |
Amit Kumar Salecha | 8ae6df9 | 2010-04-22 02:51:35 +0000 | [diff] [blame] | 1570 | else |
| 1571 | adapter->stats.null_rxbuf++; |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1572 | |
| 1573 | skip: |
| 1574 | for (; desc_cnt > 0; desc_cnt--) { |
| 1575 | desc = &sds_ring->desc_head[consumer]; |
| 1576 | desc->status_desc_data[0] = |
| 1577 | cpu_to_le64(STATUS_OWNER_PHANTOM); |
| 1578 | consumer = get_next_index(consumer, sds_ring->num_desc); |
| 1579 | } |
| 1580 | count++; |
| 1581 | } |
| 1582 | |
| 1583 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| 1584 | struct qlcnic_host_rds_ring *rds_ring = |
| 1585 | &adapter->recv_ctx.rds_rings[ring]; |
| 1586 | |
| 1587 | if (!list_empty(&sds_ring->free_list[ring])) { |
| 1588 | list_for_each(cur, &sds_ring->free_list[ring]) { |
| 1589 | rxbuf = list_entry(cur, |
| 1590 | struct qlcnic_rx_buffer, list); |
| 1591 | qlcnic_alloc_rx_skb(adapter, rds_ring, rxbuf); |
| 1592 | } |
| 1593 | spin_lock(&rds_ring->lock); |
| 1594 | list_splice_tail_init(&sds_ring->free_list[ring], |
| 1595 | &rds_ring->free_list); |
| 1596 | spin_unlock(&rds_ring->lock); |
| 1597 | } |
| 1598 | |
| 1599 | qlcnic_post_rx_buffers_nodb(adapter, rds_ring); |
| 1600 | } |
| 1601 | |
| 1602 | if (count) { |
| 1603 | sds_ring->consumer = consumer; |
| 1604 | writel(consumer, sds_ring->crb_sts_consumer); |
| 1605 | } |
| 1606 | |
| 1607 | return count; |
| 1608 | } |
| 1609 | |
| 1610 | void |
| 1611 | qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid, |
| 1612 | struct qlcnic_host_rds_ring *rds_ring) |
| 1613 | { |
| 1614 | struct rcv_desc *pdesc; |
| 1615 | struct qlcnic_rx_buffer *buffer; |
| 1616 | int producer, count = 0; |
| 1617 | struct list_head *head; |
| 1618 | |
| 1619 | producer = rds_ring->producer; |
| 1620 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1621 | head = &rds_ring->free_list; |
| 1622 | while (!list_empty(head)) { |
| 1623 | |
| 1624 | buffer = list_entry(head->next, struct qlcnic_rx_buffer, list); |
| 1625 | |
| 1626 | if (!buffer->skb) { |
| 1627 | if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer)) |
| 1628 | break; |
| 1629 | } |
| 1630 | |
| 1631 | count++; |
| 1632 | list_del(&buffer->list); |
| 1633 | |
| 1634 | /* make a rcv descriptor */ |
| 1635 | pdesc = &rds_ring->desc_head[producer]; |
| 1636 | pdesc->addr_buffer = cpu_to_le64(buffer->dma); |
| 1637 | pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); |
| 1638 | pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); |
| 1639 | |
| 1640 | producer = get_next_index(producer, rds_ring->num_desc); |
| 1641 | } |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1642 | |
| 1643 | if (count) { |
| 1644 | rds_ring->producer = producer; |
| 1645 | writel((producer-1) & (rds_ring->num_desc-1), |
| 1646 | rds_ring->crb_rcv_producer); |
| 1647 | } |
| 1648 | } |
| 1649 | |
| 1650 | static void |
| 1651 | qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, |
| 1652 | struct qlcnic_host_rds_ring *rds_ring) |
| 1653 | { |
| 1654 | struct rcv_desc *pdesc; |
| 1655 | struct qlcnic_rx_buffer *buffer; |
| 1656 | int producer, count = 0; |
| 1657 | struct list_head *head; |
| 1658 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1659 | if (!spin_trylock(&rds_ring->lock)) |
| 1660 | return; |
| 1661 | |
Amit Kumar Salecha | ed6f135 | 2010-04-22 02:51:40 +0000 | [diff] [blame] | 1662 | producer = rds_ring->producer; |
| 1663 | |
Amit Kumar Salecha | af19b49 | 2010-01-13 00:37:25 +0000 | [diff] [blame] | 1664 | head = &rds_ring->free_list; |
| 1665 | while (!list_empty(head)) { |
| 1666 | |
| 1667 | buffer = list_entry(head->next, struct qlcnic_rx_buffer, list); |
| 1668 | |
| 1669 | if (!buffer->skb) { |
| 1670 | if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer)) |
| 1671 | break; |
| 1672 | } |
| 1673 | |
| 1674 | count++; |
| 1675 | list_del(&buffer->list); |
| 1676 | |
| 1677 | /* make a rcv descriptor */ |
| 1678 | pdesc = &rds_ring->desc_head[producer]; |
| 1679 | pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); |
| 1680 | pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); |
| 1681 | pdesc->addr_buffer = cpu_to_le64(buffer->dma); |
| 1682 | |
| 1683 | producer = get_next_index(producer, rds_ring->num_desc); |
| 1684 | } |
| 1685 | |
| 1686 | if (count) { |
| 1687 | rds_ring->producer = producer; |
| 1688 | writel((producer - 1) & (rds_ring->num_desc - 1), |
| 1689 | rds_ring->crb_rcv_producer); |
| 1690 | } |
| 1691 | spin_unlock(&rds_ring->lock); |
| 1692 | } |
| 1693 | |
Amit Kumar Salecha | 31dee69 | 2010-10-04 04:20:09 +0000 | [diff] [blame] | 1694 | static void dump_skb(struct sk_buff *skb) |
| 1695 | { |
| 1696 | int i; |
| 1697 | unsigned char *data = skb->data; |
| 1698 | |
| 1699 | for (i = 0; i < skb->len; i++) { |
| 1700 | printk("%02x ", data[i]); |
| 1701 | if ((i & 0x0f) == 8) |
| 1702 | printk("\n"); |
| 1703 | } |
| 1704 | } |
| 1705 | |
Amit Kumar Salecha | cdaff18 | 2010-02-01 05:25:00 +0000 | [diff] [blame] | 1706 | static struct qlcnic_rx_buffer * |
| 1707 | qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter, |
| 1708 | struct qlcnic_host_sds_ring *sds_ring, |
| 1709 | int ring, u64 sts_data0) |
| 1710 | { |
| 1711 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; |
| 1712 | struct qlcnic_rx_buffer *buffer; |
| 1713 | struct sk_buff *skb; |
| 1714 | struct qlcnic_host_rds_ring *rds_ring; |
| 1715 | int index, length, cksum, pkt_offset; |
| 1716 | |
| 1717 | if (unlikely(ring >= adapter->max_rds_rings)) |
| 1718 | return NULL; |
| 1719 | |
| 1720 | rds_ring = &recv_ctx->rds_rings[ring]; |
| 1721 | |
| 1722 | index = qlcnic_get_sts_refhandle(sts_data0); |
| 1723 | if (unlikely(index >= rds_ring->num_desc)) |
| 1724 | return NULL; |
| 1725 | |
| 1726 | buffer = &rds_ring->rx_buf_arr[index]; |
| 1727 | |
| 1728 | length = qlcnic_get_sts_totallength(sts_data0); |
| 1729 | cksum = qlcnic_get_sts_status(sts_data0); |
| 1730 | pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0); |
| 1731 | |
| 1732 | skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); |
| 1733 | if (!skb) |
| 1734 | return buffer; |
| 1735 | |
Amit Kumar Salecha | 31dee69 | 2010-10-04 04:20:09 +0000 | [diff] [blame] | 1736 | if (length > rds_ring->skb_size) |
| 1737 | skb_put(skb, rds_ring->skb_size); |
| 1738 | else |
| 1739 | skb_put(skb, length); |
Amit Kumar Salecha | cdaff18 | 2010-02-01 05:25:00 +0000 | [diff] [blame] | 1740 | |
| 1741 | if (pkt_offset) |
| 1742 | skb_pull(skb, pkt_offset); |
| 1743 | |
Amit Kumar Salecha | cdaff18 | 2010-02-01 05:25:00 +0000 | [diff] [blame] | 1744 | if (!qlcnic_check_loopback_buff(skb->data)) |
| 1745 | adapter->diag_cnt++; |
Amit Kumar Salecha | 31dee69 | 2010-10-04 04:20:09 +0000 | [diff] [blame] | 1746 | else |
| 1747 | dump_skb(skb); |
Amit Kumar Salecha | cdaff18 | 2010-02-01 05:25:00 +0000 | [diff] [blame] | 1748 | |
| 1749 | dev_kfree_skb_any(skb); |
Sucheta Chakraborty | 8bfe8b9 | 2010-03-08 00:14:46 +0000 | [diff] [blame] | 1750 | adapter->stats.rx_pkts++; |
| 1751 | adapter->stats.rxbytes += length; |
Amit Kumar Salecha | cdaff18 | 2010-02-01 05:25:00 +0000 | [diff] [blame] | 1752 | |
| 1753 | return buffer; |
| 1754 | } |
| 1755 | |
| 1756 | void |
| 1757 | qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) |
| 1758 | { |
| 1759 | struct qlcnic_adapter *adapter = sds_ring->adapter; |
| 1760 | struct status_desc *desc; |
| 1761 | struct qlcnic_rx_buffer *rxbuf; |
| 1762 | u64 sts_data0; |
| 1763 | |
| 1764 | int opcode, ring, desc_cnt; |
| 1765 | u32 consumer = sds_ring->consumer; |
| 1766 | |
| 1767 | desc = &sds_ring->desc_head[consumer]; |
| 1768 | sts_data0 = le64_to_cpu(desc->status_desc_data[0]); |
| 1769 | |
| 1770 | if (!(sts_data0 & STATUS_OWNER_HOST)) |
| 1771 | return; |
| 1772 | |
| 1773 | desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0); |
| 1774 | opcode = qlcnic_get_sts_opcode(sts_data0); |
| 1775 | |
| 1776 | ring = qlcnic_get_sts_type(sts_data0); |
| 1777 | rxbuf = qlcnic_process_rcv_diag(adapter, sds_ring, |
| 1778 | ring, sts_data0); |
| 1779 | |
| 1780 | desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM); |
| 1781 | consumer = get_next_index(consumer, sds_ring->num_desc); |
| 1782 | |
| 1783 | sds_ring->consumer = consumer; |
| 1784 | writel(consumer, sds_ring->crb_sts_consumer); |
| 1785 | } |
Anirban Chakraborty | 2e9d722 | 2010-06-01 11:28:51 +0000 | [diff] [blame] | 1786 | |
| 1787 | void |
| 1788 | qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2, |
| 1789 | u8 alt_mac, u8 *mac) |
| 1790 | { |
| 1791 | u32 mac_low, mac_high; |
| 1792 | int i; |
| 1793 | |
| 1794 | mac_low = QLCRD32(adapter, off1); |
| 1795 | mac_high = QLCRD32(adapter, off2); |
| 1796 | |
| 1797 | if (alt_mac) { |
| 1798 | mac_low |= (mac_low >> 16) | (mac_high << 16); |
| 1799 | mac_high >>= 16; |
| 1800 | } |
| 1801 | |
| 1802 | for (i = 0; i < 2; i++) |
| 1803 | mac[i] = (u8)(mac_high >> ((1 - i) * 8)); |
| 1804 | for (i = 2; i < 6; i++) |
| 1805 | mac[i] = (u8)(mac_low >> ((5 - i) * 8)); |
| 1806 | } |