1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. 4 * 5 * Derived from Intel e1000 driver 6 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. 7 */ 8 9 #ifndef _ATL1C_H_ 10 #define _ATL1C_H_ 11 12 #include <linux/interrupt.h> 13 #include <linux/types.h> 14 #include <linux/errno.h> 15 #include <linux/module.h> 16 #include <linux/pci.h> 17 #include <linux/netdevice.h> 18 #include <linux/etherdevice.h> 19 #include <linux/skbuff.h> 20 #include <linux/ioport.h> 21 #include <linux/slab.h> 22 #include <linux/list.h> 23 #include <linux/delay.h> 24 #include <linux/sched.h> 25 #include <linux/in.h> 26 #include <linux/ip.h> 27 #include <linux/ipv6.h> 28 #include <linux/udp.h> 29 #include <linux/mii.h> 30 #include <linux/io.h> 31 #include <linux/vmalloc.h> 32 #include <linux/pagemap.h> 33 #include <linux/tcp.h> 34 #include <linux/ethtool.h> 35 #include <linux/if_vlan.h> 36 #include <linux/workqueue.h> 37 #include <net/checksum.h> 38 #include <net/ip6_checksum.h> 39 40 #include "atl1c_hw.h" 41 42 /* Wake Up Filter Control */ 43 #define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ 44 #define AT_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ 45 #define AT_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ 46 #define AT_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ 47 #define AT_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ 48 49 #define AT_VLAN_TO_TAG(_vlan, _tag) \ 50 _tag = ((((_vlan) >> 8) & 0xFF) |\ 51 (((_vlan) & 0xFF) << 8)) 52 53 #define AT_TAG_TO_VLAN(_tag, _vlan) \ 54 _vlan = ((((_tag) >> 8) & 0xFF) |\ 55 (((_tag) & 0xFF) << 8)) 56 57 #define SPEED_0 0xffff 58 #define HALF_DUPLEX 1 59 #define FULL_DUPLEX 2 60 61 #define AT_RX_BUF_SIZE (ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN) 62 #define MAX_JUMBO_FRAME_SIZE (6*1024) 63 64 #define AT_MAX_RECEIVE_QUEUE 4 65 #define AT_DEF_RECEIVE_QUEUE 1 66 #define AT_MAX_TRANSMIT_QUEUE 2 67 68 #define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL 69 #define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL 70 71 #define AT_TX_WATCHDOG (5 * HZ) 72 #define AT_MAX_INT_WORK 5 73 #define AT_TWSI_EEPROM_TIMEOUT 100 74 #define AT_HW_MAX_IDLE_DELAY 10 75 #define AT_SUSPEND_LINK_TIMEOUT 100 76 77 #define AT_ASPM_L0S_TIMER 6 78 #define AT_ASPM_L1_TIMER 12 79 #define AT_LCKDET_TIMER 12 80 81 #define ATL1C_PCIE_L0S_L1_DISABLE 0x01 82 #define ATL1C_PCIE_PHY_RESET 0x02 83 84 #define ATL1C_ASPM_L0s_ENABLE 0x0001 85 #define ATL1C_ASPM_L1_ENABLE 0x0002 86 87 #define AT_REGS_LEN (74 * sizeof(u32)) 88 #define AT_EEPROM_LEN 512 89 90 #define ATL1C_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i])) 91 #define ATL1C_RFD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_rx_free_desc) 92 #define ATL1C_TPD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_tpd_desc) 93 #define ATL1C_RRD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_recv_ret_status) 94 95 /* tpd word 1 bit 0:7 General Checksum task offload */ 96 #define TPD_L4HDR_OFFSET_MASK 0x00FF 97 #define TPD_L4HDR_OFFSET_SHIFT 0 98 99 /* tpd word 1 bit 0:7 Large Send task offload (IPv4/IPV6) */ 100 #define TPD_TCPHDR_OFFSET_MASK 0x00FF 101 #define TPD_TCPHDR_OFFSET_SHIFT 0 102 103 /* tpd word 1 bit 0:7 Custom Checksum task offload */ 104 #define TPD_PLOADOFFSET_MASK 0x00FF 105 #define TPD_PLOADOFFSET_SHIFT 0 106 107 /* tpd word 1 bit 8:17 */ 108 #define TPD_CCSUM_EN_MASK 0x0001 109 #define TPD_CCSUM_EN_SHIFT 8 110 #define TPD_IP_CSUM_MASK 0x0001 111 #define TPD_IP_CSUM_SHIFT 9 112 #define TPD_TCP_CSUM_MASK 0x0001 113 #define TPD_TCP_CSUM_SHIFT 10 114 #define TPD_UDP_CSUM_MASK 0x0001 115 #define TPD_UDP_CSUM_SHIFT 11 116 #define TPD_LSO_EN_MASK 0x0001 /* TCP Large Send Offload */ 117 #define TPD_LSO_EN_SHIFT 12 118 #define TPD_LSO_VER_MASK 0x0001 119 #define TPD_LSO_VER_SHIFT 13 /* 0 : ipv4; 1 : ipv4/ipv6 */ 120 #define TPD_CON_VTAG_MASK 0x0001 121 #define TPD_CON_VTAG_SHIFT 14 122 #define TPD_INS_VTAG_MASK 0x0001 123 #define TPD_INS_VTAG_SHIFT 15 124 #define TPD_IPV4_PACKET_MASK 0x0001 /* valid when LSO VER is 1 */ 125 #define TPD_IPV4_PACKET_SHIFT 16 126 #define TPD_ETH_TYPE_MASK 0x0001 127 #define TPD_ETH_TYPE_SHIFT 17 /* 0 : 802.3 frame; 1 : Ethernet */ 128 129 /* tpd word 18:25 Custom Checksum task offload */ 130 #define TPD_CCSUM_OFFSET_MASK 0x00FF 131 #define TPD_CCSUM_OFFSET_SHIFT 18 132 #define TPD_CCSUM_EPAD_MASK 0x0001 133 #define TPD_CCSUM_EPAD_SHIFT 30 134 135 /* tpd word 18:30 Large Send task offload (IPv4/IPV6) */ 136 #define TPD_MSS_MASK 0x1FFF 137 #define TPD_MSS_SHIFT 18 138 139 #define TPD_EOP_MASK 0x0001 140 #define TPD_EOP_SHIFT 31 141 142 struct atl1c_tpd_desc { 143 __le16 buffer_len; /* include 4-byte CRC */ 144 __le16 vlan_tag; 145 __le32 word1; 146 __le64 buffer_addr; 147 }; 148 149 struct atl1c_tpd_ext_desc { 150 u32 reservd_0; 151 __le32 word1; 152 __le32 pkt_len; 153 u32 reservd_1; 154 }; 155 /* rrs word 0 bit 0:31 */ 156 #define RRS_RX_CSUM_MASK 0xFFFF 157 #define RRS_RX_CSUM_SHIFT 0 158 #define RRS_RX_RFD_CNT_MASK 0x000F 159 #define RRS_RX_RFD_CNT_SHIFT 16 160 #define RRS_RX_RFD_INDEX_MASK 0x0FFF 161 #define RRS_RX_RFD_INDEX_SHIFT 20 162 163 /* rrs flag bit 0:16 */ 164 #define RRS_HEAD_LEN_MASK 0x00FF 165 #define RRS_HEAD_LEN_SHIFT 0 166 #define RRS_HDS_TYPE_MASK 0x0003 167 #define RRS_HDS_TYPE_SHIFT 8 168 #define RRS_CPU_NUM_MASK 0x0003 169 #define RRS_CPU_NUM_SHIFT 10 170 #define RRS_HASH_FLG_MASK 0x000F 171 #define RRS_HASH_FLG_SHIFT 12 172 173 #define RRS_HDS_TYPE_HEAD 1 174 #define RRS_HDS_TYPE_DATA 2 175 176 #define RRS_IS_NO_HDS_TYPE(flag) \ 177 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == 0) 178 179 #define RRS_IS_HDS_HEAD(flag) \ 180 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \ 181 RRS_HDS_TYPE_HEAD) 182 183 #define RRS_IS_HDS_DATA(flag) \ 184 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \ 185 RRS_HDS_TYPE_DATA) 186 187 /* rrs word 3 bit 0:31 */ 188 #define RRS_PKT_SIZE_MASK 0x3FFF 189 #define RRS_PKT_SIZE_SHIFT 0 190 #define RRS_ERR_L4_CSUM_MASK 0x0001 191 #define RRS_ERR_L4_CSUM_SHIFT 14 192 #define RRS_ERR_IP_CSUM_MASK 0x0001 193 #define RRS_ERR_IP_CSUM_SHIFT 15 194 #define RRS_VLAN_INS_MASK 0x0001 195 #define RRS_VLAN_INS_SHIFT 16 196 #define RRS_PROT_ID_MASK 0x0007 197 #define RRS_PROT_ID_SHIFT 17 198 #define RRS_RX_ERR_SUM_MASK 0x0001 199 #define RRS_RX_ERR_SUM_SHIFT 20 200 #define RRS_RX_ERR_CRC_MASK 0x0001 201 #define RRS_RX_ERR_CRC_SHIFT 21 202 #define RRS_RX_ERR_FAE_MASK 0x0001 203 #define RRS_RX_ERR_FAE_SHIFT 22 204 #define RRS_RX_ERR_TRUNC_MASK 0x0001 205 #define RRS_RX_ERR_TRUNC_SHIFT 23 206 #define RRS_RX_ERR_RUNC_MASK 0x0001 207 #define RRS_RX_ERR_RUNC_SHIFT 24 208 #define RRS_RX_ERR_ICMP_MASK 0x0001 209 #define RRS_RX_ERR_ICMP_SHIFT 25 210 #define RRS_PACKET_BCAST_MASK 0x0001 211 #define RRS_PACKET_BCAST_SHIFT 26 212 #define RRS_PACKET_MCAST_MASK 0x0001 213 #define RRS_PACKET_MCAST_SHIFT 27 214 #define RRS_PACKET_TYPE_MASK 0x0001 215 #define RRS_PACKET_TYPE_SHIFT 28 216 #define RRS_FIFO_FULL_MASK 0x0001 217 #define RRS_FIFO_FULL_SHIFT 29 218 #define RRS_802_3_LEN_ERR_MASK 0x0001 219 #define RRS_802_3_LEN_ERR_SHIFT 30 220 #define RRS_RXD_UPDATED_MASK 0x0001 221 #define RRS_RXD_UPDATED_SHIFT 31 222 223 #define RRS_ERR_L4_CSUM 0x00004000 224 #define RRS_ERR_IP_CSUM 0x00008000 225 #define RRS_VLAN_INS 0x00010000 226 #define RRS_RX_ERR_SUM 0x00100000 227 #define RRS_RX_ERR_CRC 0x00200000 228 #define RRS_802_3_LEN_ERR 0x40000000 229 #define RRS_RXD_UPDATED 0x80000000 230 231 #define RRS_PACKET_TYPE_802_3 1 232 #define RRS_PACKET_TYPE_ETH 0 233 #define RRS_PACKET_IS_ETH(word) \ 234 ((((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK) == \ 235 RRS_PACKET_TYPE_ETH) 236 #define RRS_RXD_IS_VALID(word) \ 237 ((((word) >> RRS_RXD_UPDATED_SHIFT) & RRS_RXD_UPDATED_MASK) == 1) 238 239 #define RRS_PACKET_PROT_IS_IPV4_ONLY(word) \ 240 ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 1) 241 #define RRS_PACKET_PROT_IS_IPV6_ONLY(word) \ 242 ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 6) 243 244 struct atl1c_recv_ret_status { 245 __le32 word0; 246 __le32 rss_hash; 247 __le16 vlan_tag; 248 __le16 flag; 249 __le32 word3; 250 }; 251 252 /* RFD descriptor */ 253 struct atl1c_rx_free_desc { 254 __le64 buffer_addr; 255 }; 256 257 /* DMA Order Settings */ 258 enum atl1c_dma_order { 259 atl1c_dma_ord_in = 1, 260 atl1c_dma_ord_enh = 2, 261 atl1c_dma_ord_out = 4 262 }; 263 264 enum atl1c_dma_rcb { 265 atl1c_rcb_64 = 0, 266 atl1c_rcb_128 = 1 267 }; 268 269 enum atl1c_mac_speed { 270 atl1c_mac_speed_0 = 0, 271 atl1c_mac_speed_10_100 = 1, 272 atl1c_mac_speed_1000 = 2 273 }; 274 275 enum atl1c_dma_req_block { 276 atl1c_dma_req_128 = 0, 277 atl1c_dma_req_256 = 1, 278 atl1c_dma_req_512 = 2, 279 atl1c_dma_req_1024 = 3, 280 atl1c_dma_req_2048 = 4, 281 atl1c_dma_req_4096 = 5 282 }; 283 284 285 enum atl1c_nic_type { 286 athr_l1c = 0, 287 athr_l2c = 1, 288 athr_l2c_b, 289 athr_l2c_b2, 290 athr_l1d, 291 athr_l1d_2, 292 }; 293 294 enum atl1c_trans_queue { 295 atl1c_trans_normal = 0, 296 atl1c_trans_high = 1 297 }; 298 299 struct atl1c_hw_stats { 300 /* rx */ 301 unsigned long rx_ok; /* The number of good packet received. */ 302 unsigned long rx_bcast; /* The number of good broadcast packet received. */ 303 unsigned long rx_mcast; /* The number of good multicast packet received. */ 304 unsigned long rx_pause; /* The number of Pause packet received. */ 305 unsigned long rx_ctrl; /* The number of Control packet received other than Pause frame. */ 306 unsigned long rx_fcs_err; /* The number of packets with bad FCS. */ 307 unsigned long rx_len_err; /* The number of packets with mismatch of length field and actual size. */ 308 unsigned long rx_byte_cnt; /* The number of bytes of good packet received. FCS is NOT included. */ 309 unsigned long rx_runt; /* The number of packets received that are less than 64 byte long and with good FCS. */ 310 unsigned long rx_frag; /* The number of packets received that are less than 64 byte long and with bad FCS. */ 311 unsigned long rx_sz_64; /* The number of good and bad packets received that are 64 byte long. */ 312 unsigned long rx_sz_65_127; /* The number of good and bad packets received that are between 65 and 127-byte long. */ 313 unsigned long rx_sz_128_255; /* The number of good and bad packets received that are between 128 and 255-byte long. */ 314 unsigned long rx_sz_256_511; /* The number of good and bad packets received that are between 256 and 511-byte long. */ 315 unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */ 316 unsigned long rx_sz_1024_1518; /* The number of good and bad packets received that are between 1024 and 1518-byte long. */ 317 unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */ 318 unsigned long rx_sz_ov; /* The number of good and bad packets received that are more than MTU size truncated by Selene. */ 319 unsigned long rx_rxf_ov; /* The number of frame dropped due to occurrence of RX FIFO overflow. */ 320 unsigned long rx_rrd_ov; /* The number of frame dropped due to occurrence of RRD overflow. */ 321 unsigned long rx_align_err; /* Alignment Error */ 322 unsigned long rx_bcast_byte_cnt; /* The byte count of broadcast packet received, excluding FCS. */ 323 unsigned long rx_mcast_byte_cnt; /* The byte count of multicast packet received, excluding FCS. */ 324 unsigned long rx_err_addr; /* The number of packets dropped due to address filtering. */ 325 326 /* tx */ 327 unsigned long tx_ok; /* The number of good packet transmitted. */ 328 unsigned long tx_bcast; /* The number of good broadcast packet transmitted. */ 329 unsigned long tx_mcast; /* The number of good multicast packet transmitted. */ 330 unsigned long tx_pause; /* The number of Pause packet transmitted. */ 331 unsigned long tx_exc_defer; /* The number of packets transmitted with excessive deferral. */ 332 unsigned long tx_ctrl; /* The number of packets transmitted is a control frame, excluding Pause frame. */ 333 unsigned long tx_defer; /* The number of packets transmitted that is deferred. */ 334 unsigned long tx_byte_cnt; /* The number of bytes of data transmitted. FCS is NOT included. */ 335 unsigned long tx_sz_64; /* The number of good and bad packets transmitted that are 64 byte long. */ 336 unsigned long tx_sz_65_127; /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */ 337 unsigned long tx_sz_128_255; /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */ 338 unsigned long tx_sz_256_511; /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */ 339 unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */ 340 unsigned long tx_sz_1024_1518; /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */ 341 unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */ 342 unsigned long tx_1_col; /* The number of packets subsequently transmitted successfully with a single prior collision. */ 343 unsigned long tx_2_col; /* The number of packets subsequently transmitted successfully with multiple prior collisions. */ 344 unsigned long tx_late_col; /* The number of packets transmitted with late collisions. */ 345 unsigned long tx_abort_col; /* The number of transmit packets aborted due to excessive collisions. */ 346 unsigned long tx_underrun; /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ 347 unsigned long tx_rd_eop; /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */ 348 unsigned long tx_len_err; /* The number of transmit packets with length field does NOT match the actual frame size. */ 349 unsigned long tx_trunc; /* The number of transmit packets truncated due to size exceeding MTU. */ 350 unsigned long tx_bcast_byte; /* The byte count of broadcast packet transmitted, excluding FCS. */ 351 unsigned long tx_mcast_byte; /* The byte count of multicast packet transmitted, excluding FCS. */ 352 }; 353 354 struct atl1c_hw { 355 u8 __iomem *hw_addr; /* inner register address */ 356 struct atl1c_adapter *adapter; 357 enum atl1c_nic_type nic_type; 358 enum atl1c_dma_order dma_order; 359 enum atl1c_dma_rcb rcb_value; 360 enum atl1c_dma_req_block dmar_block; 361 362 u16 device_id; 363 u16 vendor_id; 364 u16 subsystem_id; 365 u16 subsystem_vendor_id; 366 u8 revision_id; 367 u16 phy_id1; 368 u16 phy_id2; 369 370 u32 intr_mask; 371 372 u8 preamble_len; 373 u16 max_frame_size; 374 u16 min_frame_size; 375 376 enum atl1c_mac_speed mac_speed; 377 bool mac_duplex; 378 bool hibernate; 379 u16 media_type; 380 #define MEDIA_TYPE_AUTO_SENSOR 0 381 #define MEDIA_TYPE_100M_FULL 1 382 #define MEDIA_TYPE_100M_HALF 2 383 #define MEDIA_TYPE_10M_FULL 3 384 #define MEDIA_TYPE_10M_HALF 4 385 386 u16 autoneg_advertised; 387 u16 mii_autoneg_adv_reg; 388 u16 mii_1000t_ctrl_reg; 389 390 u16 tx_imt; /* TX Interrupt Moderator timer ( 2us resolution) */ 391 u16 rx_imt; /* RX Interrupt Moderator timer ( 2us resolution) */ 392 u16 ict; /* Interrupt Clear timer (2us resolution) */ 393 u16 ctrl_flags; 394 #define ATL1C_INTR_CLEAR_ON_READ 0x0001 395 #define ATL1C_INTR_MODRT_ENABLE 0x0002 396 #define ATL1C_CMB_ENABLE 0x0004 397 #define ATL1C_SMB_ENABLE 0x0010 398 #define ATL1C_TXQ_MODE_ENHANCE 0x0020 399 #define ATL1C_RX_IPV6_CHKSUM 0x0040 400 #define ATL1C_ASPM_L0S_SUPPORT 0x0080 401 #define ATL1C_ASPM_L1_SUPPORT 0x0100 402 #define ATL1C_ASPM_CTRL_MON 0x0200 403 #define ATL1C_HIB_DISABLE 0x0400 404 #define ATL1C_APS_MODE_ENABLE 0x0800 405 #define ATL1C_LINK_EXT_SYNC 0x1000 406 #define ATL1C_CLK_GATING_EN 0x2000 407 #define ATL1C_FPGA_VERSION 0x8000 408 u16 link_cap_flags; 409 #define ATL1C_LINK_CAP_1000M 0x0001 410 u32 smb_timer; 411 412 u16 rrd_thresh; /* Threshold of number of RRD produced to trigger 413 interrupt request */ 414 u16 tpd_thresh; 415 u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. */ 416 u8 rfd_burst; 417 u32 base_cpu; 418 u32 indirect_tab; 419 u8 mac_addr[ETH_ALEN]; 420 u8 perm_mac_addr[ETH_ALEN]; 421 422 bool phy_configured; 423 bool re_autoneg; 424 bool emi_ca; 425 bool msi_lnkpatch; /* link patch for specific platforms */ 426 }; 427 428 /* 429 * atl1c_ring_header represents a single, contiguous block of DMA space 430 * mapped for the three descriptor rings (tpd, rfd, rrd) described below 431 */ 432 struct atl1c_ring_header { 433 void *desc; /* virtual address */ 434 dma_addr_t dma; /* physical address*/ 435 unsigned int size; /* length in bytes */ 436 }; 437 438 /* 439 * atl1c_buffer is wrapper around a pointer to a socket buffer 440 * so a DMA handle can be stored along with the skb 441 */ 442 struct atl1c_buffer { 443 struct sk_buff *skb; /* socket buffer */ 444 u16 length; /* rx buffer length */ 445 u16 flags; /* information of buffer */ 446 #define ATL1C_BUFFER_FREE 0x0001 447 #define ATL1C_BUFFER_BUSY 0x0002 448 #define ATL1C_BUFFER_STATE_MASK 0x0003 449 450 #define ATL1C_PCIMAP_SINGLE 0x0004 451 #define ATL1C_PCIMAP_PAGE 0x0008 452 #define ATL1C_PCIMAP_TYPE_MASK 0x000C 453 454 #define ATL1C_PCIMAP_TODEVICE 0x0010 455 #define ATL1C_PCIMAP_FROMDEVICE 0x0020 456 #define ATL1C_PCIMAP_DIRECTION_MASK 0x0030 457 dma_addr_t dma; 458 }; 459 460 #define ATL1C_SET_BUFFER_STATE(buff, state) do { \ 461 ((buff)->flags) &= ~ATL1C_BUFFER_STATE_MASK; \ 462 ((buff)->flags) |= (state); \ 463 } while (0) 464 465 #define ATL1C_SET_PCIMAP_TYPE(buff, type, direction) do { \ 466 ((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK; \ 467 ((buff)->flags) |= (type); \ 468 ((buff)->flags) &= ~ATL1C_PCIMAP_DIRECTION_MASK; \ 469 ((buff)->flags) |= (direction); \ 470 } while (0) 471 472 /* transimit packet descriptor (tpd) ring */ 473 struct atl1c_tpd_ring { 474 void *desc; /* descriptor ring virtual address */ 475 dma_addr_t dma; /* descriptor ring physical address */ 476 u16 size; /* descriptor ring length in bytes */ 477 u16 count; /* number of descriptors in the ring */ 478 u16 next_to_use; 479 atomic_t next_to_clean; 480 struct atl1c_buffer *buffer_info; 481 }; 482 483 /* receive free descriptor (rfd) ring */ 484 struct atl1c_rfd_ring { 485 void *desc; /* descriptor ring virtual address */ 486 dma_addr_t dma; /* descriptor ring physical address */ 487 u16 size; /* descriptor ring length in bytes */ 488 u16 count; /* number of descriptors in the ring */ 489 u16 next_to_use; 490 u16 next_to_clean; 491 struct atl1c_buffer *buffer_info; 492 }; 493 494 /* receive return descriptor (rrd) ring */ 495 struct atl1c_rrd_ring { 496 void *desc; /* descriptor ring virtual address */ 497 dma_addr_t dma; /* descriptor ring physical address */ 498 u16 size; /* descriptor ring length in bytes */ 499 u16 count; /* number of descriptors in the ring */ 500 u16 next_to_use; 501 u16 next_to_clean; 502 }; 503 504 /* board specific private data structure */ 505 struct atl1c_adapter { 506 struct net_device *netdev; 507 struct pci_dev *pdev; 508 struct napi_struct napi; 509 struct page *rx_page; 510 unsigned int rx_page_offset; 511 unsigned int rx_frag_size; 512 struct atl1c_hw hw; 513 struct atl1c_hw_stats hw_stats; 514 struct mii_if_info mii; /* MII interface info */ 515 u16 rx_buffer_len; 516 517 unsigned long flags; 518 #define __AT_TESTING 0x0001 519 #define __AT_RESETTING 0x0002 520 #define __AT_DOWN 0x0003 521 unsigned long work_event; 522 #define ATL1C_WORK_EVENT_RESET 0 523 #define ATL1C_WORK_EVENT_LINK_CHANGE 1 524 u32 msg_enable; 525 526 bool have_msi; 527 u32 wol; 528 u16 link_speed; 529 u16 link_duplex; 530 531 spinlock_t mdio_lock; 532 atomic_t irq_sem; 533 534 struct work_struct common_task; 535 struct timer_list watchdog_timer; 536 struct timer_list phy_config_timer; 537 538 /* All Descriptor memory */ 539 struct atl1c_ring_header ring_header; 540 struct atl1c_tpd_ring tpd_ring[AT_MAX_TRANSMIT_QUEUE]; 541 struct atl1c_rfd_ring rfd_ring; 542 struct atl1c_rrd_ring rrd_ring; 543 u32 bd_number; /* board number;*/ 544 }; 545 546 #define AT_WRITE_REG(a, reg, value) ( \ 547 writel((value), ((a)->hw_addr + reg))) 548 549 #define AT_WRITE_FLUSH(a) (\ 550 readl((a)->hw_addr)) 551 552 #define AT_READ_REG(a, reg, pdata) do { \ 553 if (unlikely((a)->hibernate)) { \ 554 readl((a)->hw_addr + reg); \ 555 *(u32 *)pdata = readl((a)->hw_addr + reg); \ 556 } else { \ 557 *(u32 *)pdata = readl((a)->hw_addr + reg); \ 558 } \ 559 } while (0) 560 561 #define AT_WRITE_REGB(a, reg, value) (\ 562 writeb((value), ((a)->hw_addr + reg))) 563 564 #define AT_READ_REGB(a, reg) (\ 565 readb((a)->hw_addr + reg)) 566 567 #define AT_WRITE_REGW(a, reg, value) (\ 568 writew((value), ((a)->hw_addr + reg))) 569 570 #define AT_READ_REGW(a, reg, pdata) do { \ 571 if (unlikely((a)->hibernate)) { \ 572 readw((a)->hw_addr + reg); \ 573 *(u16 *)pdata = readw((a)->hw_addr + reg); \ 574 } else { \ 575 *(u16 *)pdata = readw((a)->hw_addr + reg); \ 576 } \ 577 } while (0) 578 579 #define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \ 580 writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))) 581 582 #define AT_READ_REG_ARRAY(a, reg, offset) ( \ 583 readl(((a)->hw_addr + reg) + ((offset) << 2))) 584 585 extern char atl1c_driver_name[]; 586 extern char atl1c_driver_version[]; 587 588 void atl1c_reinit_locked(struct atl1c_adapter *adapter); 589 s32 atl1c_reset_hw(struct atl1c_hw *hw); 590 void atl1c_set_ethtool_ops(struct net_device *netdev); 591 #endif /* _ATL1C_H_ */ 592