1 /* Synopsys DesignWare Core Enterprise Ethernet (XLGMAC) Driver 2 * 3 * Copyright (c) 2017 Synopsys, Inc. (www.synopsys.com) 4 * 5 * This program is dual-licensed; you may select either version 2 of 6 * the GNU General Public License ("GPL") or BSD license ("BSD"). 7 * 8 * This Synopsys DWC XLGMAC software driver and associated documentation 9 * (hereinafter the "Software") is an unsupported proprietary work of 10 * Synopsys, Inc. unless otherwise expressly agreed to in writing between 11 * Synopsys and you. The Software IS NOT an item of Licensed Software or a 12 * Licensed Product under any End User Software License Agreement or 13 * Agreement for Licensed Products with Synopsys or any supplement thereto. 14 * Synopsys is a registered trademark of Synopsys, Inc. Other names included 15 * in the SOFTWARE may be the trademarks of their respective owners. 16 */ 17 18 #include <linux/kernel.h> 19 #include <linux/module.h> 20 21 #include "dwc-xlgmac.h" 22 #include "dwc-xlgmac-reg.h" 23 24 MODULE_LICENSE("Dual BSD/GPL"); 25 26 static int debug = -1; 27 module_param(debug, int, 0644); 28 MODULE_PARM_DESC(debug, "DWC ethernet debug level (0=none,...,16=all)"); 29 static const u32 default_msg_level = (NETIF_MSG_LINK | NETIF_MSG_IFDOWN | 30 NETIF_MSG_IFUP); 31 32 static unsigned char dev_addr[6] = {0, 0x55, 0x7b, 0xb5, 0x7d, 0xf7}; 33 34 static void xlgmac_read_mac_addr(struct xlgmac_pdata *pdata) 35 { 36 struct net_device *netdev = pdata->netdev; 37 38 /* Currently it uses a static mac address for test */ 39 memcpy(pdata->mac_addr, dev_addr, netdev->addr_len); 40 } 41 42 static void xlgmac_default_config(struct xlgmac_pdata *pdata) 43 { 44 pdata->tx_osp_mode = DMA_OSP_ENABLE; 45 pdata->tx_sf_mode = MTL_TSF_ENABLE; 46 pdata->rx_sf_mode = MTL_RSF_DISABLE; 47 pdata->pblx8 = DMA_PBL_X8_ENABLE; 48 pdata->tx_pbl = DMA_PBL_32; 49 pdata->rx_pbl = DMA_PBL_32; 50 pdata->tx_threshold = MTL_TX_THRESHOLD_128; 51 pdata->rx_threshold = MTL_RX_THRESHOLD_128; 52 pdata->tx_pause = 1; 53 pdata->rx_pause = 1; 54 pdata->phy_speed = SPEED_25000; 55 pdata->sysclk_rate = XLGMAC_SYSCLOCK; 56 57 strlcpy(pdata->drv_name, XLGMAC_DRV_NAME, sizeof(pdata->drv_name)); 58 strlcpy(pdata->drv_ver, XLGMAC_DRV_VERSION, sizeof(pdata->drv_ver)); 59 } 60 61 static void xlgmac_init_all_ops(struct xlgmac_pdata *pdata) 62 { 63 xlgmac_init_desc_ops(&pdata->desc_ops); 64 xlgmac_init_hw_ops(&pdata->hw_ops); 65 } 66 67 static int xlgmac_init(struct xlgmac_pdata *pdata) 68 { 69 struct xlgmac_hw_ops *hw_ops = &pdata->hw_ops; 70 struct net_device *netdev = pdata->netdev; 71 unsigned int i; 72 int ret; 73 74 /* Set default configuration data */ 75 xlgmac_default_config(pdata); 76 77 /* Set irq, base_addr, MAC address, */ 78 netdev->irq = pdata->dev_irq; 79 netdev->base_addr = (unsigned long)pdata->mac_regs; 80 xlgmac_read_mac_addr(pdata); 81 memcpy(netdev->dev_addr, pdata->mac_addr, netdev->addr_len); 82 83 /* Set all the function pointers */ 84 xlgmac_init_all_ops(pdata); 85 86 /* Issue software reset to device */ 87 hw_ops->exit(pdata); 88 89 /* Populate the hardware features */ 90 xlgmac_get_all_hw_features(pdata); 91 xlgmac_print_all_hw_features(pdata); 92 93 /* TODO: Set the PHY mode to XLGMII */ 94 95 /* Set the DMA mask */ 96 ret = dma_set_mask_and_coherent(pdata->dev, 97 DMA_BIT_MASK(pdata->hw_feat.dma_width)); 98 if (ret) { 99 dev_err(pdata->dev, "dma_set_mask_and_coherent failed\n"); 100 return ret; 101 } 102 103 /* Channel and ring params initializtion 104 * pdata->channel_count; 105 * pdata->tx_ring_count; 106 * pdata->rx_ring_count; 107 * pdata->tx_desc_count; 108 * pdata->rx_desc_count; 109 */ 110 BUILD_BUG_ON_NOT_POWER_OF_2(XLGMAC_TX_DESC_CNT); 111 pdata->tx_desc_count = XLGMAC_TX_DESC_CNT; 112 if (pdata->tx_desc_count & (pdata->tx_desc_count - 1)) { 113 dev_err(pdata->dev, "tx descriptor count (%d) is not valid\n", 114 pdata->tx_desc_count); 115 ret = -EINVAL; 116 return ret; 117 } 118 BUILD_BUG_ON_NOT_POWER_OF_2(XLGMAC_RX_DESC_CNT); 119 pdata->rx_desc_count = XLGMAC_RX_DESC_CNT; 120 if (pdata->rx_desc_count & (pdata->rx_desc_count - 1)) { 121 dev_err(pdata->dev, "rx descriptor count (%d) is not valid\n", 122 pdata->rx_desc_count); 123 ret = -EINVAL; 124 return ret; 125 } 126 127 pdata->tx_ring_count = min_t(unsigned int, num_online_cpus(), 128 pdata->hw_feat.tx_ch_cnt); 129 pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count, 130 pdata->hw_feat.tx_q_cnt); 131 pdata->tx_q_count = pdata->tx_ring_count; 132 ret = netif_set_real_num_tx_queues(netdev, pdata->tx_q_count); 133 if (ret) { 134 dev_err(pdata->dev, "error setting real tx queue count\n"); 135 return ret; 136 } 137 138 pdata->rx_ring_count = min_t(unsigned int, 139 netif_get_num_default_rss_queues(), 140 pdata->hw_feat.rx_ch_cnt); 141 pdata->rx_ring_count = min_t(unsigned int, pdata->rx_ring_count, 142 pdata->hw_feat.rx_q_cnt); 143 pdata->rx_q_count = pdata->rx_ring_count; 144 ret = netif_set_real_num_rx_queues(netdev, pdata->rx_q_count); 145 if (ret) { 146 dev_err(pdata->dev, "error setting real rx queue count\n"); 147 return ret; 148 } 149 150 pdata->channel_count = 151 max_t(unsigned int, pdata->tx_ring_count, pdata->rx_ring_count); 152 153 /* Initialize RSS hash key and lookup table */ 154 netdev_rss_key_fill(pdata->rss_key, sizeof(pdata->rss_key)); 155 156 for (i = 0; i < XLGMAC_RSS_MAX_TABLE_SIZE; i++) 157 pdata->rss_table[i] = XLGMAC_SET_REG_BITS( 158 pdata->rss_table[i], 159 MAC_RSSDR_DMCH_POS, 160 MAC_RSSDR_DMCH_LEN, 161 i % pdata->rx_ring_count); 162 163 pdata->rss_options = XLGMAC_SET_REG_BITS( 164 pdata->rss_options, 165 MAC_RSSCR_IP2TE_POS, 166 MAC_RSSCR_IP2TE_LEN, 1); 167 pdata->rss_options = XLGMAC_SET_REG_BITS( 168 pdata->rss_options, 169 MAC_RSSCR_TCP4TE_POS, 170 MAC_RSSCR_TCP4TE_LEN, 1); 171 pdata->rss_options = XLGMAC_SET_REG_BITS( 172 pdata->rss_options, 173 MAC_RSSCR_UDP4TE_POS, 174 MAC_RSSCR_UDP4TE_LEN, 1); 175 176 /* Set device operations */ 177 netdev->netdev_ops = xlgmac_get_netdev_ops(); 178 netdev->ethtool_ops = xlgmac_get_ethtool_ops(); 179 180 /* Set device features */ 181 if (pdata->hw_feat.tso) { 182 netdev->hw_features = NETIF_F_TSO; 183 netdev->hw_features |= NETIF_F_TSO6; 184 netdev->hw_features |= NETIF_F_SG; 185 netdev->hw_features |= NETIF_F_IP_CSUM; 186 netdev->hw_features |= NETIF_F_IPV6_CSUM; 187 } else if (pdata->hw_feat.tx_coe) { 188 netdev->hw_features = NETIF_F_IP_CSUM; 189 netdev->hw_features |= NETIF_F_IPV6_CSUM; 190 } 191 192 if (pdata->hw_feat.rx_coe) { 193 netdev->hw_features |= NETIF_F_RXCSUM; 194 netdev->hw_features |= NETIF_F_GRO; 195 } 196 197 if (pdata->hw_feat.rss) 198 netdev->hw_features |= NETIF_F_RXHASH; 199 200 netdev->vlan_features |= netdev->hw_features; 201 202 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; 203 if (pdata->hw_feat.sa_vlan_ins) 204 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; 205 if (pdata->hw_feat.vlhash) 206 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; 207 208 netdev->features |= netdev->hw_features; 209 pdata->netdev_features = netdev->features; 210 211 netdev->priv_flags |= IFF_UNICAST_FLT; 212 213 /* Use default watchdog timeout */ 214 netdev->watchdog_timeo = 0; 215 216 /* Tx coalesce parameters initialization */ 217 pdata->tx_usecs = XLGMAC_INIT_DMA_TX_USECS; 218 pdata->tx_frames = XLGMAC_INIT_DMA_TX_FRAMES; 219 220 /* Rx coalesce parameters initialization */ 221 pdata->rx_riwt = hw_ops->usec_to_riwt(pdata, XLGMAC_INIT_DMA_RX_USECS); 222 pdata->rx_usecs = XLGMAC_INIT_DMA_RX_USECS; 223 pdata->rx_frames = XLGMAC_INIT_DMA_RX_FRAMES; 224 225 return 0; 226 } 227 228 int xlgmac_drv_probe(struct device *dev, struct xlgmac_resources *res) 229 { 230 struct xlgmac_pdata *pdata; 231 struct net_device *netdev; 232 int ret; 233 234 netdev = alloc_etherdev_mq(sizeof(struct xlgmac_pdata), 235 XLGMAC_MAX_DMA_CHANNELS); 236 237 if (!netdev) { 238 dev_err(dev, "alloc_etherdev failed\n"); 239 return -ENOMEM; 240 } 241 242 SET_NETDEV_DEV(netdev, dev); 243 dev_set_drvdata(dev, netdev); 244 pdata = netdev_priv(netdev); 245 pdata->dev = dev; 246 pdata->netdev = netdev; 247 248 pdata->dev_irq = res->irq; 249 pdata->mac_regs = res->addr; 250 251 mutex_init(&pdata->rss_mutex); 252 pdata->msg_enable = netif_msg_init(debug, default_msg_level); 253 254 ret = xlgmac_init(pdata); 255 if (ret) { 256 dev_err(dev, "xlgmac init failed\n"); 257 goto err_free_netdev; 258 } 259 260 ret = register_netdev(netdev); 261 if (ret) { 262 dev_err(dev, "net device registration failed\n"); 263 goto err_free_netdev; 264 } 265 266 return 0; 267 268 err_free_netdev: 269 free_netdev(netdev); 270 271 return ret; 272 } 273 274 int xlgmac_drv_remove(struct device *dev) 275 { 276 struct net_device *netdev = dev_get_drvdata(dev); 277 278 unregister_netdev(netdev); 279 free_netdev(netdev); 280 281 return 0; 282 } 283 284 void xlgmac_dump_tx_desc(struct xlgmac_pdata *pdata, 285 struct xlgmac_ring *ring, 286 unsigned int idx, 287 unsigned int count, 288 unsigned int flag) 289 { 290 struct xlgmac_desc_data *desc_data; 291 struct xlgmac_dma_desc *dma_desc; 292 293 while (count--) { 294 desc_data = XLGMAC_GET_DESC_DATA(ring, idx); 295 dma_desc = desc_data->dma_desc; 296 297 netdev_dbg(pdata->netdev, "TX: dma_desc=%p, dma_desc_addr=%pad\n", 298 desc_data->dma_desc, &desc_data->dma_desc_addr); 299 netdev_dbg(pdata->netdev, 300 "TX_NORMAL_DESC[%d %s] = %08x:%08x:%08x:%08x\n", idx, 301 (flag == 1) ? "QUEUED FOR TX" : "TX BY DEVICE", 302 le32_to_cpu(dma_desc->desc0), 303 le32_to_cpu(dma_desc->desc1), 304 le32_to_cpu(dma_desc->desc2), 305 le32_to_cpu(dma_desc->desc3)); 306 307 idx++; 308 } 309 } 310 311 void xlgmac_dump_rx_desc(struct xlgmac_pdata *pdata, 312 struct xlgmac_ring *ring, 313 unsigned int idx) 314 { 315 struct xlgmac_desc_data *desc_data; 316 struct xlgmac_dma_desc *dma_desc; 317 318 desc_data = XLGMAC_GET_DESC_DATA(ring, idx); 319 dma_desc = desc_data->dma_desc; 320 321 netdev_dbg(pdata->netdev, "RX: dma_desc=%p, dma_desc_addr=%pad\n", 322 desc_data->dma_desc, &desc_data->dma_desc_addr); 323 netdev_dbg(pdata->netdev, 324 "RX_NORMAL_DESC[%d RX BY DEVICE] = %08x:%08x:%08x:%08x\n", 325 idx, 326 le32_to_cpu(dma_desc->desc0), 327 le32_to_cpu(dma_desc->desc1), 328 le32_to_cpu(dma_desc->desc2), 329 le32_to_cpu(dma_desc->desc3)); 330 } 331 332 void xlgmac_print_pkt(struct net_device *netdev, 333 struct sk_buff *skb, bool tx_rx) 334 { 335 struct ethhdr *eth = (struct ethhdr *)skb->data; 336 unsigned char buffer[128]; 337 unsigned int i; 338 339 netdev_dbg(netdev, "\n************** SKB dump ****************\n"); 340 341 netdev_dbg(netdev, "%s packet of %d bytes\n", 342 (tx_rx ? "TX" : "RX"), skb->len); 343 344 netdev_dbg(netdev, "Dst MAC addr: %pM\n", eth->h_dest); 345 netdev_dbg(netdev, "Src MAC addr: %pM\n", eth->h_source); 346 netdev_dbg(netdev, "Protocol: %#06hx\n", ntohs(eth->h_proto)); 347 348 for (i = 0; i < skb->len; i += 32) { 349 unsigned int len = min(skb->len - i, 32U); 350 351 hex_dump_to_buffer(&skb->data[i], len, 32, 1, 352 buffer, sizeof(buffer), false); 353 netdev_dbg(netdev, " %#06x: %s\n", i, buffer); 354 } 355 356 netdev_dbg(netdev, "\n************** SKB dump ****************\n"); 357 } 358 359 void xlgmac_get_all_hw_features(struct xlgmac_pdata *pdata) 360 { 361 struct xlgmac_hw_features *hw_feat = &pdata->hw_feat; 362 unsigned int mac_hfr0, mac_hfr1, mac_hfr2; 363 364 mac_hfr0 = readl(pdata->mac_regs + MAC_HWF0R); 365 mac_hfr1 = readl(pdata->mac_regs + MAC_HWF1R); 366 mac_hfr2 = readl(pdata->mac_regs + MAC_HWF2R); 367 368 memset(hw_feat, 0, sizeof(*hw_feat)); 369 370 hw_feat->version = readl(pdata->mac_regs + MAC_VR); 371 372 /* Hardware feature register 0 */ 373 hw_feat->phyifsel = XLGMAC_GET_REG_BITS(mac_hfr0, 374 MAC_HWF0R_PHYIFSEL_POS, 375 MAC_HWF0R_PHYIFSEL_LEN); 376 hw_feat->vlhash = XLGMAC_GET_REG_BITS(mac_hfr0, 377 MAC_HWF0R_VLHASH_POS, 378 MAC_HWF0R_VLHASH_LEN); 379 hw_feat->sma = XLGMAC_GET_REG_BITS(mac_hfr0, 380 MAC_HWF0R_SMASEL_POS, 381 MAC_HWF0R_SMASEL_LEN); 382 hw_feat->rwk = XLGMAC_GET_REG_BITS(mac_hfr0, 383 MAC_HWF0R_RWKSEL_POS, 384 MAC_HWF0R_RWKSEL_LEN); 385 hw_feat->mgk = XLGMAC_GET_REG_BITS(mac_hfr0, 386 MAC_HWF0R_MGKSEL_POS, 387 MAC_HWF0R_MGKSEL_LEN); 388 hw_feat->mmc = XLGMAC_GET_REG_BITS(mac_hfr0, 389 MAC_HWF0R_MMCSEL_POS, 390 MAC_HWF0R_MMCSEL_LEN); 391 hw_feat->aoe = XLGMAC_GET_REG_BITS(mac_hfr0, 392 MAC_HWF0R_ARPOFFSEL_POS, 393 MAC_HWF0R_ARPOFFSEL_LEN); 394 hw_feat->ts = XLGMAC_GET_REG_BITS(mac_hfr0, 395 MAC_HWF0R_TSSEL_POS, 396 MAC_HWF0R_TSSEL_LEN); 397 hw_feat->eee = XLGMAC_GET_REG_BITS(mac_hfr0, 398 MAC_HWF0R_EEESEL_POS, 399 MAC_HWF0R_EEESEL_LEN); 400 hw_feat->tx_coe = XLGMAC_GET_REG_BITS(mac_hfr0, 401 MAC_HWF0R_TXCOESEL_POS, 402 MAC_HWF0R_TXCOESEL_LEN); 403 hw_feat->rx_coe = XLGMAC_GET_REG_BITS(mac_hfr0, 404 MAC_HWF0R_RXCOESEL_POS, 405 MAC_HWF0R_RXCOESEL_LEN); 406 hw_feat->addn_mac = XLGMAC_GET_REG_BITS(mac_hfr0, 407 MAC_HWF0R_ADDMACADRSEL_POS, 408 MAC_HWF0R_ADDMACADRSEL_LEN); 409 hw_feat->ts_src = XLGMAC_GET_REG_BITS(mac_hfr0, 410 MAC_HWF0R_TSSTSSEL_POS, 411 MAC_HWF0R_TSSTSSEL_LEN); 412 hw_feat->sa_vlan_ins = XLGMAC_GET_REG_BITS(mac_hfr0, 413 MAC_HWF0R_SAVLANINS_POS, 414 MAC_HWF0R_SAVLANINS_LEN); 415 416 /* Hardware feature register 1 */ 417 hw_feat->rx_fifo_size = XLGMAC_GET_REG_BITS(mac_hfr1, 418 MAC_HWF1R_RXFIFOSIZE_POS, 419 MAC_HWF1R_RXFIFOSIZE_LEN); 420 hw_feat->tx_fifo_size = XLGMAC_GET_REG_BITS(mac_hfr1, 421 MAC_HWF1R_TXFIFOSIZE_POS, 422 MAC_HWF1R_TXFIFOSIZE_LEN); 423 hw_feat->adv_ts_hi = XLGMAC_GET_REG_BITS(mac_hfr1, 424 MAC_HWF1R_ADVTHWORD_POS, 425 MAC_HWF1R_ADVTHWORD_LEN); 426 hw_feat->dma_width = XLGMAC_GET_REG_BITS(mac_hfr1, 427 MAC_HWF1R_ADDR64_POS, 428 MAC_HWF1R_ADDR64_LEN); 429 hw_feat->dcb = XLGMAC_GET_REG_BITS(mac_hfr1, 430 MAC_HWF1R_DCBEN_POS, 431 MAC_HWF1R_DCBEN_LEN); 432 hw_feat->sph = XLGMAC_GET_REG_BITS(mac_hfr1, 433 MAC_HWF1R_SPHEN_POS, 434 MAC_HWF1R_SPHEN_LEN); 435 hw_feat->tso = XLGMAC_GET_REG_BITS(mac_hfr1, 436 MAC_HWF1R_TSOEN_POS, 437 MAC_HWF1R_TSOEN_LEN); 438 hw_feat->dma_debug = XLGMAC_GET_REG_BITS(mac_hfr1, 439 MAC_HWF1R_DBGMEMA_POS, 440 MAC_HWF1R_DBGMEMA_LEN); 441 hw_feat->rss = XLGMAC_GET_REG_BITS(mac_hfr1, 442 MAC_HWF1R_RSSEN_POS, 443 MAC_HWF1R_RSSEN_LEN); 444 hw_feat->tc_cnt = XLGMAC_GET_REG_BITS(mac_hfr1, 445 MAC_HWF1R_NUMTC_POS, 446 MAC_HWF1R_NUMTC_LEN); 447 hw_feat->hash_table_size = XLGMAC_GET_REG_BITS(mac_hfr1, 448 MAC_HWF1R_HASHTBLSZ_POS, 449 MAC_HWF1R_HASHTBLSZ_LEN); 450 hw_feat->l3l4_filter_num = XLGMAC_GET_REG_BITS(mac_hfr1, 451 MAC_HWF1R_L3L4FNUM_POS, 452 MAC_HWF1R_L3L4FNUM_LEN); 453 454 /* Hardware feature register 2 */ 455 hw_feat->rx_q_cnt = XLGMAC_GET_REG_BITS(mac_hfr2, 456 MAC_HWF2R_RXQCNT_POS, 457 MAC_HWF2R_RXQCNT_LEN); 458 hw_feat->tx_q_cnt = XLGMAC_GET_REG_BITS(mac_hfr2, 459 MAC_HWF2R_TXQCNT_POS, 460 MAC_HWF2R_TXQCNT_LEN); 461 hw_feat->rx_ch_cnt = XLGMAC_GET_REG_BITS(mac_hfr2, 462 MAC_HWF2R_RXCHCNT_POS, 463 MAC_HWF2R_RXCHCNT_LEN); 464 hw_feat->tx_ch_cnt = XLGMAC_GET_REG_BITS(mac_hfr2, 465 MAC_HWF2R_TXCHCNT_POS, 466 MAC_HWF2R_TXCHCNT_LEN); 467 hw_feat->pps_out_num = XLGMAC_GET_REG_BITS(mac_hfr2, 468 MAC_HWF2R_PPSOUTNUM_POS, 469 MAC_HWF2R_PPSOUTNUM_LEN); 470 hw_feat->aux_snap_num = XLGMAC_GET_REG_BITS(mac_hfr2, 471 MAC_HWF2R_AUXSNAPNUM_POS, 472 MAC_HWF2R_AUXSNAPNUM_LEN); 473 474 /* Translate the Hash Table size into actual number */ 475 switch (hw_feat->hash_table_size) { 476 case 0: 477 break; 478 case 1: 479 hw_feat->hash_table_size = 64; 480 break; 481 case 2: 482 hw_feat->hash_table_size = 128; 483 break; 484 case 3: 485 hw_feat->hash_table_size = 256; 486 break; 487 } 488 489 /* Translate the address width setting into actual number */ 490 switch (hw_feat->dma_width) { 491 case 0: 492 hw_feat->dma_width = 32; 493 break; 494 case 1: 495 hw_feat->dma_width = 40; 496 break; 497 case 2: 498 hw_feat->dma_width = 48; 499 break; 500 default: 501 hw_feat->dma_width = 32; 502 } 503 504 /* The Queue, Channel and TC counts are zero based so increment them 505 * to get the actual number 506 */ 507 hw_feat->rx_q_cnt++; 508 hw_feat->tx_q_cnt++; 509 hw_feat->rx_ch_cnt++; 510 hw_feat->tx_ch_cnt++; 511 hw_feat->tc_cnt++; 512 } 513 514 void xlgmac_print_all_hw_features(struct xlgmac_pdata *pdata) 515 { 516 char __maybe_unused *str = NULL; 517 518 XLGMAC_PR("\n"); 519 XLGMAC_PR("=====================================================\n"); 520 XLGMAC_PR("\n"); 521 XLGMAC_PR("HW support following features\n"); 522 XLGMAC_PR("\n"); 523 /* HW Feature Register0 */ 524 XLGMAC_PR("VLAN Hash Filter Selected : %s\n", 525 pdata->hw_feat.vlhash ? "YES" : "NO"); 526 XLGMAC_PR("SMA (MDIO) Interface : %s\n", 527 pdata->hw_feat.sma ? "YES" : "NO"); 528 XLGMAC_PR("PMT Remote Wake-up Packet Enable : %s\n", 529 pdata->hw_feat.rwk ? "YES" : "NO"); 530 XLGMAC_PR("PMT Magic Packet Enable : %s\n", 531 pdata->hw_feat.mgk ? "YES" : "NO"); 532 XLGMAC_PR("RMON/MMC Module Enable : %s\n", 533 pdata->hw_feat.mmc ? "YES" : "NO"); 534 XLGMAC_PR("ARP Offload Enabled : %s\n", 535 pdata->hw_feat.aoe ? "YES" : "NO"); 536 XLGMAC_PR("IEEE 1588-2008 Timestamp Enabled : %s\n", 537 pdata->hw_feat.ts ? "YES" : "NO"); 538 XLGMAC_PR("Energy Efficient Ethernet Enabled : %s\n", 539 pdata->hw_feat.eee ? "YES" : "NO"); 540 XLGMAC_PR("Transmit Checksum Offload Enabled : %s\n", 541 pdata->hw_feat.tx_coe ? "YES" : "NO"); 542 XLGMAC_PR("Receive Checksum Offload Enabled : %s\n", 543 pdata->hw_feat.rx_coe ? "YES" : "NO"); 544 XLGMAC_PR("Additional MAC Addresses 1-31 Selected : %s\n", 545 pdata->hw_feat.addn_mac ? "YES" : "NO"); 546 547 switch (pdata->hw_feat.ts_src) { 548 case 0: 549 str = "RESERVED"; 550 break; 551 case 1: 552 str = "INTERNAL"; 553 break; 554 case 2: 555 str = "EXTERNAL"; 556 break; 557 case 3: 558 str = "BOTH"; 559 break; 560 } 561 XLGMAC_PR("Timestamp System Time Source : %s\n", str); 562 563 XLGMAC_PR("Source Address or VLAN Insertion Enable : %s\n", 564 pdata->hw_feat.sa_vlan_ins ? "YES" : "NO"); 565 566 /* HW Feature Register1 */ 567 switch (pdata->hw_feat.rx_fifo_size) { 568 case 0: 569 str = "128 bytes"; 570 break; 571 case 1: 572 str = "256 bytes"; 573 break; 574 case 2: 575 str = "512 bytes"; 576 break; 577 case 3: 578 str = "1 KBytes"; 579 break; 580 case 4: 581 str = "2 KBytes"; 582 break; 583 case 5: 584 str = "4 KBytes"; 585 break; 586 case 6: 587 str = "8 KBytes"; 588 break; 589 case 7: 590 str = "16 KBytes"; 591 break; 592 case 8: 593 str = "32 kBytes"; 594 break; 595 case 9: 596 str = "64 KBytes"; 597 break; 598 case 10: 599 str = "128 KBytes"; 600 break; 601 case 11: 602 str = "256 KBytes"; 603 break; 604 default: 605 str = "RESERVED"; 606 } 607 XLGMAC_PR("MTL Receive FIFO Size : %s\n", str); 608 609 switch (pdata->hw_feat.tx_fifo_size) { 610 case 0: 611 str = "128 bytes"; 612 break; 613 case 1: 614 str = "256 bytes"; 615 break; 616 case 2: 617 str = "512 bytes"; 618 break; 619 case 3: 620 str = "1 KBytes"; 621 break; 622 case 4: 623 str = "2 KBytes"; 624 break; 625 case 5: 626 str = "4 KBytes"; 627 break; 628 case 6: 629 str = "8 KBytes"; 630 break; 631 case 7: 632 str = "16 KBytes"; 633 break; 634 case 8: 635 str = "32 kBytes"; 636 break; 637 case 9: 638 str = "64 KBytes"; 639 break; 640 case 10: 641 str = "128 KBytes"; 642 break; 643 case 11: 644 str = "256 KBytes"; 645 break; 646 default: 647 str = "RESERVED"; 648 } 649 XLGMAC_PR("MTL Transmit FIFO Size : %s\n", str); 650 651 XLGMAC_PR("IEEE 1588 High Word Register Enable : %s\n", 652 pdata->hw_feat.adv_ts_hi ? "YES" : "NO"); 653 XLGMAC_PR("Address width : %u\n", 654 pdata->hw_feat.dma_width); 655 XLGMAC_PR("DCB Feature Enable : %s\n", 656 pdata->hw_feat.dcb ? "YES" : "NO"); 657 XLGMAC_PR("Split Header Feature Enable : %s\n", 658 pdata->hw_feat.sph ? "YES" : "NO"); 659 XLGMAC_PR("TCP Segmentation Offload Enable : %s\n", 660 pdata->hw_feat.tso ? "YES" : "NO"); 661 XLGMAC_PR("DMA Debug Registers Enabled : %s\n", 662 pdata->hw_feat.dma_debug ? "YES" : "NO"); 663 XLGMAC_PR("RSS Feature Enabled : %s\n", 664 pdata->hw_feat.rss ? "YES" : "NO"); 665 XLGMAC_PR("Number of Traffic classes : %u\n", 666 (pdata->hw_feat.tc_cnt)); 667 XLGMAC_PR("Hash Table Size : %u\n", 668 pdata->hw_feat.hash_table_size); 669 XLGMAC_PR("Total number of L3 or L4 Filters : %u\n", 670 pdata->hw_feat.l3l4_filter_num); 671 672 /* HW Feature Register2 */ 673 XLGMAC_PR("Number of MTL Receive Queues : %u\n", 674 pdata->hw_feat.rx_q_cnt); 675 XLGMAC_PR("Number of MTL Transmit Queues : %u\n", 676 pdata->hw_feat.tx_q_cnt); 677 XLGMAC_PR("Number of DMA Receive Channels : %u\n", 678 pdata->hw_feat.rx_ch_cnt); 679 XLGMAC_PR("Number of DMA Transmit Channels : %u\n", 680 pdata->hw_feat.tx_ch_cnt); 681 682 switch (pdata->hw_feat.pps_out_num) { 683 case 0: 684 str = "No PPS output"; 685 break; 686 case 1: 687 str = "1 PPS output"; 688 break; 689 case 2: 690 str = "2 PPS output"; 691 break; 692 case 3: 693 str = "3 PPS output"; 694 break; 695 case 4: 696 str = "4 PPS output"; 697 break; 698 default: 699 str = "RESERVED"; 700 } 701 XLGMAC_PR("Number of PPS Outputs : %s\n", str); 702 703 switch (pdata->hw_feat.aux_snap_num) { 704 case 0: 705 str = "No auxiliary input"; 706 break; 707 case 1: 708 str = "1 auxiliary input"; 709 break; 710 case 2: 711 str = "2 auxiliary input"; 712 break; 713 case 3: 714 str = "3 auxiliary input"; 715 break; 716 case 4: 717 str = "4 auxiliary input"; 718 break; 719 default: 720 str = "RESERVED"; 721 } 722 XLGMAC_PR("Number of Auxiliary Snapshot Inputs : %s", str); 723 724 XLGMAC_PR("\n"); 725 XLGMAC_PR("=====================================================\n"); 726 XLGMAC_PR("\n"); 727 } 728