1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 2013 - 2021 Intel Corporation. */ 3 4 #ifndef _I40E_H_ 5 #define _I40E_H_ 6 7 #include <net/tcp.h> 8 #include <net/udp.h> 9 #include <linux/types.h> 10 #include <linux/errno.h> 11 #include <linux/module.h> 12 #include <linux/pci.h> 13 #include <linux/aer.h> 14 #include <linux/netdevice.h> 15 #include <linux/ioport.h> 16 #include <linux/iommu.h> 17 #include <linux/slab.h> 18 #include <linux/list.h> 19 #include <linux/hashtable.h> 20 #include <linux/string.h> 21 #include <linux/in.h> 22 #include <linux/ip.h> 23 #include <linux/sctp.h> 24 #include <linux/pkt_sched.h> 25 #include <linux/ipv6.h> 26 #include <net/checksum.h> 27 #include <net/ip6_checksum.h> 28 #include <linux/ethtool.h> 29 #include <linux/if_vlan.h> 30 #include <linux/if_macvlan.h> 31 #include <linux/if_bridge.h> 32 #include <linux/clocksource.h> 33 #include <linux/net_tstamp.h> 34 #include <linux/ptp_clock_kernel.h> 35 #include <net/pkt_cls.h> 36 #include <net/tc_act/tc_gact.h> 37 #include <net/tc_act/tc_mirred.h> 38 #include <net/udp_tunnel.h> 39 #include <net/xdp_sock.h> 40 #include "i40e_type.h" 41 #include "i40e_prototype.h" 42 #include <linux/net/intel/i40e_client.h> 43 #include <linux/avf/virtchnl.h> 44 #include "i40e_virtchnl_pf.h" 45 #include "i40e_txrx.h" 46 #include "i40e_dcb.h" 47 48 /* Useful i40e defaults */ 49 #define I40E_MAX_VEB 16 50 51 #define I40E_MAX_NUM_DESCRIPTORS 4096 52 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) 53 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 54 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 55 #define I40E_MIN_NUM_DESCRIPTORS 64 56 #define I40E_MIN_MSIX 2 57 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ 58 #define I40E_MIN_VSI_ALLOC 83 /* LAN, ATR, FCOE, 64 VF */ 59 /* max 16 qps */ 60 #define i40e_default_queues_per_vmdq(pf) \ 61 (((pf)->hw_features & I40E_HW_RSS_AQ_CAPABLE) ? 4 : 1) 62 #define I40E_DEFAULT_QUEUES_PER_VF 4 63 #define I40E_MAX_VF_QUEUES 16 64 #define i40e_pf_get_max_q_per_tc(pf) \ 65 (((pf)->hw_features & I40E_HW_128_QP_RSS_CAPABLE) ? 128 : 64) 66 #define I40E_FDIR_RING_COUNT 32 67 #define I40E_MAX_AQ_BUF_SIZE 4096 68 #define I40E_AQ_LEN 256 69 #define I40E_MIN_ARQ_LEN 1 70 #define I40E_MIN_ASQ_LEN 2 71 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */ 72 #define I40E_MAX_USER_PRIORITY 8 73 #define I40E_DEFAULT_TRAFFIC_CLASS BIT(0) 74 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 75 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16) 76 77 #define I40E_NVM_VERSION_LO_SHIFT 0 78 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 79 #define I40E_NVM_VERSION_HI_SHIFT 12 80 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 81 #define I40E_OEM_VER_BUILD_MASK 0xffff 82 #define I40E_OEM_VER_PATCH_MASK 0xff 83 #define I40E_OEM_VER_BUILD_SHIFT 8 84 #define I40E_OEM_VER_SHIFT 24 85 #define I40E_PHY_DEBUG_ALL \ 86 (I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \ 87 I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW) 88 89 #define I40E_OEM_EETRACK_ID 0xffffffff 90 #define I40E_OEM_GEN_SHIFT 24 91 #define I40E_OEM_SNAP_MASK 0x00ff0000 92 #define I40E_OEM_SNAP_SHIFT 16 93 #define I40E_OEM_RELEASE_MASK 0x0000ffff 94 95 #define I40E_RX_DESC(R, i) \ 96 (&(((union i40e_rx_desc *)((R)->desc))[i])) 97 #define I40E_TX_DESC(R, i) \ 98 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 99 #define I40E_TX_CTXTDESC(R, i) \ 100 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 101 #define I40E_TX_FDIRDESC(R, i) \ 102 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 103 104 /* BW rate limiting */ 105 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */ 106 #define I40E_BW_MBPS_DIVISOR 125000 /* rate / (1000000 / 8) Mbps */ 107 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* accumulate 4 credits max */ 108 109 /* driver state flags */ 110 enum i40e_state_t { 111 __I40E_TESTING, 112 __I40E_CONFIG_BUSY, 113 __I40E_CONFIG_DONE, 114 __I40E_DOWN, 115 __I40E_SERVICE_SCHED, 116 __I40E_ADMINQ_EVENT_PENDING, 117 __I40E_MDD_EVENT_PENDING, 118 __I40E_VFLR_EVENT_PENDING, 119 __I40E_RESET_RECOVERY_PENDING, 120 __I40E_TIMEOUT_RECOVERY_PENDING, 121 __I40E_MISC_IRQ_REQUESTED, 122 __I40E_RESET_INTR_RECEIVED, 123 __I40E_REINIT_REQUESTED, 124 __I40E_PF_RESET_REQUESTED, 125 __I40E_PF_RESET_AND_REBUILD_REQUESTED, 126 __I40E_CORE_RESET_REQUESTED, 127 __I40E_GLOBAL_RESET_REQUESTED, 128 __I40E_EMP_RESET_INTR_RECEIVED, 129 __I40E_SUSPENDED, 130 __I40E_PTP_TX_IN_PROGRESS, 131 __I40E_BAD_EEPROM, 132 __I40E_DOWN_REQUESTED, 133 __I40E_FD_FLUSH_REQUESTED, 134 __I40E_FD_ATR_AUTO_DISABLED, 135 __I40E_FD_SB_AUTO_DISABLED, 136 __I40E_RESET_FAILED, 137 __I40E_PORT_SUSPENDED, 138 __I40E_VF_DISABLE, 139 __I40E_MACVLAN_SYNC_PENDING, 140 __I40E_TEMP_LINK_POLLING, 141 __I40E_CLIENT_SERVICE_REQUESTED, 142 __I40E_CLIENT_L2_CHANGE, 143 __I40E_CLIENT_RESET, 144 __I40E_VIRTCHNL_OP_PENDING, 145 __I40E_RECOVERY_MODE, 146 __I40E_VF_RESETS_DISABLED, /* disable resets during i40e_remove */ 147 __I40E_VFS_RELEASING, 148 /* This must be last as it determines the size of the BITMAP */ 149 __I40E_STATE_SIZE__, 150 }; 151 152 #define I40E_PF_RESET_FLAG BIT_ULL(__I40E_PF_RESET_REQUESTED) 153 #define I40E_PF_RESET_AND_REBUILD_FLAG \ 154 BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED) 155 156 /* VSI state flags */ 157 enum i40e_vsi_state_t { 158 __I40E_VSI_DOWN, 159 __I40E_VSI_NEEDS_RESTART, 160 __I40E_VSI_SYNCING_FILTERS, 161 __I40E_VSI_OVERFLOW_PROMISC, 162 __I40E_VSI_REINIT_REQUESTED, 163 __I40E_VSI_DOWN_REQUESTED, 164 __I40E_VSI_RELEASING, 165 /* This must be last as it determines the size of the BITMAP */ 166 __I40E_VSI_STATE_SIZE__, 167 }; 168 169 enum i40e_interrupt_policy { 170 I40E_INTERRUPT_BEST_CASE, 171 I40E_INTERRUPT_MEDIUM, 172 I40E_INTERRUPT_LOWEST 173 }; 174 175 struct i40e_lump_tracking { 176 u16 num_entries; 177 u16 search_hint; 178 u16 list[0]; 179 #define I40E_PILE_VALID_BIT 0x8000 180 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2) 181 }; 182 183 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 184 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 185 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 186 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 187 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) 188 189 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) 190 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 191 #define I40E_VF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4) 192 193 enum i40e_fd_stat_idx { 194 I40E_FD_STAT_ATR, 195 I40E_FD_STAT_SB, 196 I40E_FD_STAT_ATR_TUNNEL, 197 I40E_FD_STAT_PF_COUNT 198 }; 199 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 200 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 201 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 202 #define I40E_FD_SB_STAT_IDX(pf_id) \ 203 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 204 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ 205 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) 206 207 /* The following structure contains the data parsed from the user-defined 208 * field of the ethtool_rx_flow_spec structure. 209 */ 210 struct i40e_rx_flow_userdef { 211 bool flex_filter; 212 u16 flex_word; 213 u16 flex_offset; 214 }; 215 216 struct i40e_fdir_filter { 217 struct hlist_node fdir_node; 218 /* filter ipnut set */ 219 u8 flow_type; 220 u8 ipl4_proto; 221 /* TX packet view of src and dst */ 222 __be32 dst_ip; 223 __be32 src_ip; 224 __be32 dst_ip6[4]; 225 __be32 src_ip6[4]; 226 __be16 src_port; 227 __be16 dst_port; 228 __be32 sctp_v_tag; 229 230 __be16 vlan_etype; 231 __be16 vlan_tag; 232 /* Flexible data to match within the packet payload */ 233 __be16 flex_word; 234 u16 flex_offset; 235 bool flex_filter; 236 237 /* filter control */ 238 u16 q_index; 239 u8 flex_off; 240 u8 pctype; 241 u16 dest_vsi; 242 u8 dest_ctl; 243 u8 fd_status; 244 u16 cnt_index; 245 u32 fd_id; 246 }; 247 248 #define I40E_CLOUD_FIELD_OMAC BIT(0) 249 #define I40E_CLOUD_FIELD_IMAC BIT(1) 250 #define I40E_CLOUD_FIELD_IVLAN BIT(2) 251 #define I40E_CLOUD_FIELD_TEN_ID BIT(3) 252 #define I40E_CLOUD_FIELD_IIP BIT(4) 253 254 #define I40E_CLOUD_FILTER_FLAGS_OMAC I40E_CLOUD_FIELD_OMAC 255 #define I40E_CLOUD_FILTER_FLAGS_IMAC I40E_CLOUD_FIELD_IMAC 256 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN (I40E_CLOUD_FIELD_IMAC | \ 257 I40E_CLOUD_FIELD_IVLAN) 258 #define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID (I40E_CLOUD_FIELD_IMAC | \ 259 I40E_CLOUD_FIELD_TEN_ID) 260 #define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \ 261 I40E_CLOUD_FIELD_IMAC | \ 262 I40E_CLOUD_FIELD_TEN_ID) 263 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \ 264 I40E_CLOUD_FIELD_IVLAN | \ 265 I40E_CLOUD_FIELD_TEN_ID) 266 #define I40E_CLOUD_FILTER_FLAGS_IIP I40E_CLOUD_FIELD_IIP 267 268 struct i40e_cloud_filter { 269 struct hlist_node cloud_node; 270 unsigned long cookie; 271 /* cloud filter input set follows */ 272 u8 dst_mac[ETH_ALEN]; 273 u8 src_mac[ETH_ALEN]; 274 __be16 vlan_id; 275 u16 seid; /* filter control */ 276 __be16 dst_port; 277 __be16 src_port; 278 u32 tenant_id; 279 union { 280 struct { 281 struct in_addr dst_ip; 282 struct in_addr src_ip; 283 } v4; 284 struct { 285 struct in6_addr dst_ip6; 286 struct in6_addr src_ip6; 287 } v6; 288 } ip; 289 #define dst_ipv6 ip.v6.dst_ip6.s6_addr32 290 #define src_ipv6 ip.v6.src_ip6.s6_addr32 291 #define dst_ipv4 ip.v4.dst_ip.s_addr 292 #define src_ipv4 ip.v4.src_ip.s_addr 293 u16 n_proto; /* Ethernet Protocol */ 294 u8 ip_proto; /* IPPROTO value */ 295 u8 flags; 296 #define I40E_CLOUD_TNL_TYPE_NONE 0xff 297 u8 tunnel_type; 298 }; 299 300 #define I40E_DCB_PRIO_TYPE_STRICT 0 301 #define I40E_DCB_PRIO_TYPE_ETS 1 302 #define I40E_DCB_STRICT_PRIO_CREDITS 127 303 /* DCB per TC information data structure */ 304 struct i40e_tc_info { 305 u16 qoffset; /* Queue offset from base queue */ 306 u16 qcount; /* Total Queues */ 307 u8 netdev_tc; /* Netdev TC index if netdev associated */ 308 }; 309 310 /* TC configuration data structure */ 311 struct i40e_tc_configuration { 312 u8 numtc; /* Total number of enabled TCs */ 313 u8 enabled_tc; /* TC map */ 314 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 315 }; 316 317 #define I40E_UDP_PORT_INDEX_UNUSED 255 318 struct i40e_udp_port_config { 319 /* AdminQ command interface expects port number in Host byte order */ 320 u16 port; 321 u8 type; 322 u8 filter_index; 323 }; 324 325 #define I40_DDP_FLASH_REGION 100 326 #define I40E_PROFILE_INFO_SIZE 48 327 #define I40E_MAX_PROFILE_NUM 16 328 #define I40E_PROFILE_LIST_SIZE \ 329 (I40E_PROFILE_INFO_SIZE * I40E_MAX_PROFILE_NUM + 4) 330 #define I40E_DDP_PROFILE_PATH "intel/i40e/ddp/" 331 #define I40E_DDP_PROFILE_NAME_MAX 64 332 333 int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size, 334 bool is_add); 335 int i40e_ddp_flash(struct net_device *netdev, struct ethtool_flash *flash); 336 337 struct i40e_ddp_profile_list { 338 u32 p_count; 339 struct i40e_profile_info p_info[]; 340 }; 341 342 struct i40e_ddp_old_profile_list { 343 struct list_head list; 344 size_t old_ddp_size; 345 u8 old_ddp_buf[]; 346 }; 347 348 /* macros related to FLX_PIT */ 349 #define I40E_FLEX_SET_FSIZE(fsize) (((fsize) << \ 350 I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \ 351 I40E_PRTQF_FLX_PIT_FSIZE_MASK) 352 #define I40E_FLEX_SET_DST_WORD(dst) (((dst) << \ 353 I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \ 354 I40E_PRTQF_FLX_PIT_DEST_OFF_MASK) 355 #define I40E_FLEX_SET_SRC_WORD(src) (((src) << \ 356 I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \ 357 I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK) 358 #define I40E_FLEX_PREP_VAL(dst, fsize, src) (I40E_FLEX_SET_DST_WORD(dst) | \ 359 I40E_FLEX_SET_FSIZE(fsize) | \ 360 I40E_FLEX_SET_SRC_WORD(src)) 361 362 363 #define I40E_MAX_FLEX_SRC_OFFSET 0x1F 364 365 /* macros related to GLQF_ORT */ 366 #define I40E_ORT_SET_IDX(idx) (((idx) << \ 367 I40E_GLQF_ORT_PIT_INDX_SHIFT) & \ 368 I40E_GLQF_ORT_PIT_INDX_MASK) 369 370 #define I40E_ORT_SET_COUNT(count) (((count) << \ 371 I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \ 372 I40E_GLQF_ORT_FIELD_CNT_MASK) 373 374 #define I40E_ORT_SET_PAYLOAD(payload) (((payload) << \ 375 I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \ 376 I40E_GLQF_ORT_FLX_PAYLOAD_MASK) 377 378 #define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \ 379 I40E_ORT_SET_COUNT(count) | \ 380 I40E_ORT_SET_PAYLOAD(payload)) 381 382 #define I40E_L3_GLQF_ORT_IDX 34 383 #define I40E_L4_GLQF_ORT_IDX 35 384 385 /* Flex PIT register index */ 386 #define I40E_FLEX_PIT_IDX_START_L3 3 387 #define I40E_FLEX_PIT_IDX_START_L4 6 388 389 #define I40E_FLEX_PIT_TABLE_SIZE 3 390 391 #define I40E_FLEX_DEST_UNUSED 63 392 393 #define I40E_FLEX_INDEX_ENTRIES 8 394 395 /* Flex MASK to disable all flexible entries */ 396 #define I40E_FLEX_INPUT_MASK (I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \ 397 I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \ 398 I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \ 399 I40E_FLEX_56_MASK | I40E_FLEX_57_MASK) 400 401 struct i40e_flex_pit { 402 struct list_head list; 403 u16 src_offset; 404 u8 pit_index; 405 }; 406 407 struct i40e_fwd_adapter { 408 struct net_device *netdev; 409 int bit_no; 410 }; 411 412 struct i40e_channel { 413 struct list_head list; 414 bool initialized; 415 u8 type; 416 u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */ 417 u16 stat_counter_idx; 418 u16 base_queue; 419 u16 num_queue_pairs; /* Requested by user */ 420 u16 seid; 421 422 u8 enabled_tc; 423 struct i40e_aqc_vsi_properties_data info; 424 425 u64 max_tx_rate; 426 struct i40e_fwd_adapter *fwd; 427 428 /* track this channel belongs to which VSI */ 429 struct i40e_vsi *parent_vsi; 430 }; 431 432 struct i40e_ptp_pins_settings; 433 434 static inline bool i40e_is_channel_macvlan(struct i40e_channel *ch) 435 { 436 return !!ch->fwd; 437 } 438 439 static inline const u8 *i40e_channel_mac(struct i40e_channel *ch) 440 { 441 if (i40e_is_channel_macvlan(ch)) 442 return ch->fwd->netdev->dev_addr; 443 else 444 return NULL; 445 } 446 447 /* struct that defines the Ethernet device */ 448 struct i40e_pf { 449 struct pci_dev *pdev; 450 struct i40e_hw hw; 451 DECLARE_BITMAP(state, __I40E_STATE_SIZE__); 452 struct msix_entry *msix_entries; 453 bool fc_autoneg_status; 454 455 u16 eeprom_version; 456 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 457 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 458 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 459 u16 num_req_vfs; /* num VFs requested for this PF */ 460 u16 num_vf_qps; /* num queue pairs per VF */ 461 u16 num_lan_qps; /* num lan queues this PF has set up */ 462 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 463 u16 num_fdsb_msix; /* num queue vectors for sideband Fdir */ 464 u16 num_iwarp_msix; /* num of iwarp vectors for this PF */ 465 int iwarp_base_vector; 466 int queues_left; /* queues left unclaimed */ 467 u16 alloc_rss_size; /* allocated RSS queues */ 468 u16 rss_size_max; /* HW defined max RSS queues */ 469 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 470 u16 num_alloc_vsi; /* num VSIs this driver supports */ 471 u8 atr_sample_rate; 472 bool wol_en; 473 474 struct hlist_head fdir_filter_list; 475 u16 fdir_pf_active_filters; 476 unsigned long fd_flush_timestamp; 477 u32 fd_flush_cnt; 478 u32 fd_add_err; 479 u32 fd_atr_cnt; 480 481 /* Book-keeping of side-band filter count per flow-type. 482 * This is used to detect and handle input set changes for 483 * respective flow-type. 484 */ 485 u16 fd_tcp4_filter_cnt; 486 u16 fd_udp4_filter_cnt; 487 u16 fd_sctp4_filter_cnt; 488 u16 fd_ip4_filter_cnt; 489 490 u16 fd_tcp6_filter_cnt; 491 u16 fd_udp6_filter_cnt; 492 u16 fd_sctp6_filter_cnt; 493 u16 fd_ip6_filter_cnt; 494 495 /* Flexible filter table values that need to be programmed into 496 * hardware, which expects L3 and L4 to be programmed separately. We 497 * need to ensure that the values are in ascended order and don't have 498 * duplicates, so we track each L3 and L4 values in separate lists. 499 */ 500 struct list_head l3_flex_pit_list; 501 struct list_head l4_flex_pit_list; 502 503 struct udp_tunnel_nic_shared udp_tunnel_shared; 504 struct udp_tunnel_nic_info udp_tunnel_nic; 505 506 struct hlist_head cloud_filter_list; 507 u16 num_cloud_filters; 508 509 enum i40e_interrupt_policy int_policy; 510 u16 rx_itr_default; 511 u16 tx_itr_default; 512 u32 msg_enable; 513 char int_name[I40E_INT_NAME_STR_LEN]; 514 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 515 unsigned long service_timer_period; 516 unsigned long service_timer_previous; 517 struct timer_list service_timer; 518 struct work_struct service_task; 519 520 u32 hw_features; 521 #define I40E_HW_RSS_AQ_CAPABLE BIT(0) 522 #define I40E_HW_128_QP_RSS_CAPABLE BIT(1) 523 #define I40E_HW_ATR_EVICT_CAPABLE BIT(2) 524 #define I40E_HW_WB_ON_ITR_CAPABLE BIT(3) 525 #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT(4) 526 #define I40E_HW_NO_PCI_LINK_CHECK BIT(5) 527 #define I40E_HW_100M_SGMII_CAPABLE BIT(6) 528 #define I40E_HW_NO_DCB_SUPPORT BIT(7) 529 #define I40E_HW_USE_SET_LLDP_MIB BIT(8) 530 #define I40E_HW_GENEVE_OFFLOAD_CAPABLE BIT(9) 531 #define I40E_HW_PTP_L4_CAPABLE BIT(10) 532 #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE BIT(11) 533 #define I40E_HW_HAVE_CRT_RETIMER BIT(13) 534 #define I40E_HW_OUTER_UDP_CSUM_CAPABLE BIT(14) 535 #define I40E_HW_PHY_CONTROLS_LEDS BIT(15) 536 #define I40E_HW_STOP_FW_LLDP BIT(16) 537 #define I40E_HW_PORT_ID_VALID BIT(17) 538 #define I40E_HW_RESTART_AUTONEG BIT(18) 539 540 u32 flags; 541 #define I40E_FLAG_RX_CSUM_ENABLED BIT(0) 542 #define I40E_FLAG_MSI_ENABLED BIT(1) 543 #define I40E_FLAG_MSIX_ENABLED BIT(2) 544 #define I40E_FLAG_RSS_ENABLED BIT(3) 545 #define I40E_FLAG_VMDQ_ENABLED BIT(4) 546 #define I40E_FLAG_SRIOV_ENABLED BIT(5) 547 #define I40E_FLAG_DCB_CAPABLE BIT(6) 548 #define I40E_FLAG_DCB_ENABLED BIT(7) 549 #define I40E_FLAG_FD_SB_ENABLED BIT(8) 550 #define I40E_FLAG_FD_ATR_ENABLED BIT(9) 551 #define I40E_FLAG_MFP_ENABLED BIT(10) 552 #define I40E_FLAG_HW_ATR_EVICT_ENABLED BIT(11) 553 #define I40E_FLAG_VEB_MODE_ENABLED BIT(12) 554 #define I40E_FLAG_VEB_STATS_ENABLED BIT(13) 555 #define I40E_FLAG_LINK_POLLING_ENABLED BIT(14) 556 #define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT(15) 557 #define I40E_FLAG_LEGACY_RX BIT(16) 558 #define I40E_FLAG_PTP BIT(17) 559 #define I40E_FLAG_IWARP_ENABLED BIT(18) 560 #define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED BIT(19) 561 #define I40E_FLAG_SOURCE_PRUNING_DISABLED BIT(20) 562 #define I40E_FLAG_TC_MQPRIO BIT(21) 563 #define I40E_FLAG_FD_SB_INACTIVE BIT(22) 564 #define I40E_FLAG_FD_SB_TO_CLOUD_FILTER BIT(23) 565 #define I40E_FLAG_DISABLE_FW_LLDP BIT(24) 566 #define I40E_FLAG_RS_FEC BIT(25) 567 #define I40E_FLAG_BASE_R_FEC BIT(26) 568 /* TOTAL_PORT_SHUTDOWN 569 * Allows to physically disable the link on the NIC's port. 570 * If enabled, (after link down request from the OS) 571 * no link, traffic or led activity is possible on that port. 572 * 573 * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the 574 * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true 575 * and cannot be disabled by system admin at that time. 576 * The functionalities are exclusive in terms of configuration, but they also 577 * have similar behavior (allowing to disable physical link of the port), 578 * with following differences: 579 * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is 580 * supported by whole family of 7xx Intel Ethernet Controllers 581 * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS) 582 * only if motherboard's BIOS and NIC's FW has support of it 583 * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down 584 * by sending phy_type=0 to NIC's FW 585 * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead 586 * the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK) 587 * in abilities field of i40e_aq_set_phy_config structure 588 */ 589 #define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED BIT(27) 590 591 struct i40e_client_instance *cinst; 592 bool stat_offsets_loaded; 593 struct i40e_hw_port_stats stats; 594 struct i40e_hw_port_stats stats_offsets; 595 u32 tx_timeout_count; 596 u32 tx_timeout_recovery_level; 597 unsigned long tx_timeout_last_recovery; 598 u32 tx_sluggish_count; 599 u32 hw_csum_rx_error; 600 u32 led_status; 601 u16 corer_count; /* Core reset count */ 602 u16 globr_count; /* Global reset count */ 603 u16 empr_count; /* EMP reset count */ 604 u16 pfr_count; /* PF reset count */ 605 u16 sw_int_count; /* SW interrupt count */ 606 607 struct mutex switch_mutex; 608 u16 lan_vsi; /* our default LAN VSI */ 609 u16 lan_veb; /* initial relay, if exists */ 610 #define I40E_NO_VEB 0xffff 611 #define I40E_NO_VSI 0xffff 612 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 613 struct i40e_vsi **vsi; 614 struct i40e_veb *veb[I40E_MAX_VEB]; 615 616 struct i40e_lump_tracking *qp_pile; 617 struct i40e_lump_tracking *irq_pile; 618 619 /* switch config info */ 620 u16 pf_seid; 621 u16 main_vsi_seid; 622 u16 mac_seid; 623 struct kobject *switch_kobj; 624 #ifdef CONFIG_DEBUG_FS 625 struct dentry *i40e_dbg_pf; 626 #endif /* CONFIG_DEBUG_FS */ 627 bool cur_promisc; 628 629 u16 instance; /* A unique number per i40e_pf instance in the system */ 630 631 /* sr-iov config info */ 632 struct i40e_vf *vf; 633 int num_alloc_vfs; /* actual number of VFs allocated */ 634 u32 vf_aq_requests; 635 u32 arq_overflows; /* Not fatal, possibly indicative of problems */ 636 637 /* DCBx/DCBNL capability for PF that indicates 638 * whether DCBx is managed by firmware or host 639 * based agent (LLDPAD). Also, indicates what 640 * flavor of DCBx protocol (IEEE/CEE) is supported 641 * by the device. For now we're supporting IEEE 642 * mode only. 643 */ 644 u16 dcbx_cap; 645 646 struct i40e_filter_control_settings filter_settings; 647 struct i40e_rx_pb_config pb_cfg; /* Current Rx packet buffer config */ 648 struct i40e_dcbx_config tmp_cfg; 649 650 /* GPIO defines used by PTP */ 651 #define I40E_SDP3_2 18 652 #define I40E_SDP3_3 19 653 #define I40E_GPIO_4 20 654 #define I40E_LED2_0 26 655 #define I40E_LED2_1 27 656 #define I40E_LED3_0 28 657 #define I40E_LED3_1 29 658 #define I40E_GLGEN_GPIO_SET_SDP_DATA_HI \ 659 (1 << I40E_GLGEN_GPIO_SET_SDP_DATA_SHIFT) 660 #define I40E_GLGEN_GPIO_SET_DRV_SDP_DATA \ 661 (1 << I40E_GLGEN_GPIO_SET_DRIVE_SDP_SHIFT) 662 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_0 \ 663 (0 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT) 664 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_1 \ 665 (1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT) 666 #define I40E_GLGEN_GPIO_CTL_RESERVED BIT(2) 667 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z \ 668 (1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_SHIFT) 669 #define I40E_GLGEN_GPIO_CTL_DIR_OUT \ 670 (1 << I40E_GLGEN_GPIO_CTL_PIN_DIR_SHIFT) 671 #define I40E_GLGEN_GPIO_CTL_TRI_DRV_HI \ 672 (1 << I40E_GLGEN_GPIO_CTL_TRI_CTL_SHIFT) 673 #define I40E_GLGEN_GPIO_CTL_OUT_HI_RST \ 674 (1 << I40E_GLGEN_GPIO_CTL_OUT_CTL_SHIFT) 675 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_0 \ 676 (3 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) 677 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_1 \ 678 (4 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) 679 #define I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN \ 680 (0x3F << I40E_GLGEN_GPIO_CTL_PHY_PIN_NAME_SHIFT) 681 #define I40E_GLGEN_GPIO_CTL_OUT_DEFAULT \ 682 (1 << I40E_GLGEN_GPIO_CTL_OUT_DEFAULT_SHIFT) 683 #define I40E_GLGEN_GPIO_CTL_PORT_0_IN_TIMESYNC_0 \ 684 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 685 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \ 686 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0) 687 #define I40E_GLGEN_GPIO_CTL_PORT_1_IN_TIMESYNC_0 \ 688 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 689 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \ 690 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1) 691 #define I40E_GLGEN_GPIO_CTL_PORT_0_OUT_TIMESYNC_1 \ 692 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 693 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 694 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 695 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0) 696 #define I40E_GLGEN_GPIO_CTL_PORT_1_OUT_TIMESYNC_1 \ 697 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 698 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 699 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 700 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1) 701 #define I40E_GLGEN_GPIO_CTL_LED_INIT \ 702 (I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z | \ 703 I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 704 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | \ 705 I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 706 I40E_GLGEN_GPIO_CTL_OUT_DEFAULT | \ 707 I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN) 708 #define I40E_PRTTSYN_AUX_1_INSTNT \ 709 (1 << I40E_PRTTSYN_AUX_1_INSTNT_SHIFT) 710 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE \ 711 (1 << I40E_PRTTSYN_AUX_0_OUT_ENA_SHIFT) 712 #define I40E_PRTTSYN_AUX_0_OUT_CLK_MOD (3 << I40E_PRTTSYN_AUX_0_OUTMOD_SHIFT) 713 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE_CLK_MOD \ 714 (I40E_PRTTSYN_AUX_0_OUT_ENABLE | I40E_PRTTSYN_AUX_0_OUT_CLK_MOD) 715 #define I40E_PTP_HALF_SECOND 500000000LL /* nano seconds */ 716 #define I40E_PTP_2_SEC_DELAY 2 717 718 struct ptp_clock *ptp_clock; 719 struct ptp_clock_info ptp_caps; 720 struct sk_buff *ptp_tx_skb; 721 unsigned long ptp_tx_start; 722 struct hwtstamp_config tstamp_config; 723 struct timespec64 ptp_prev_hw_time; 724 struct work_struct ptp_pps_work; 725 struct work_struct ptp_extts0_work; 726 struct work_struct ptp_extts1_work; 727 ktime_t ptp_reset_start; 728 struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */ 729 u32 ptp_adj_mult; 730 u32 tx_hwtstamp_timeouts; 731 u32 tx_hwtstamp_skipped; 732 u32 rx_hwtstamp_cleared; 733 u32 latch_event_flags; 734 u64 ptp_pps_start; 735 u32 pps_delay; 736 spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */ 737 struct ptp_pin_desc ptp_pin[3]; 738 unsigned long latch_events[4]; 739 bool ptp_tx; 740 bool ptp_rx; 741 struct i40e_ptp_pins_settings *ptp_pins; 742 u16 rss_table_size; /* HW RSS table size */ 743 u32 max_bw; 744 u32 min_bw; 745 746 u32 ioremap_len; 747 u32 fd_inv; 748 u16 phy_led_val; 749 750 u16 override_q_count; 751 u16 last_sw_conf_flags; 752 u16 last_sw_conf_valid_flags; 753 /* List to keep previous DDP profiles to be rolled back in the future */ 754 struct list_head ddp_old_prof; 755 }; 756 757 /** 758 * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key 759 * @macaddr: the MAC Address as the base key 760 * 761 * Simply copies the address and returns it as a u64 for hashing 762 **/ 763 static inline u64 i40e_addr_to_hkey(const u8 *macaddr) 764 { 765 u64 key = 0; 766 767 ether_addr_copy((u8 *)&key, macaddr); 768 return key; 769 } 770 771 enum i40e_filter_state { 772 I40E_FILTER_INVALID = 0, /* Invalid state */ 773 I40E_FILTER_NEW, /* New, not sent to FW yet */ 774 I40E_FILTER_ACTIVE, /* Added to switch by FW */ 775 I40E_FILTER_FAILED, /* Rejected by FW */ 776 I40E_FILTER_REMOVE, /* To be removed */ 777 /* There is no 'removed' state; the filter struct is freed */ 778 }; 779 struct i40e_mac_filter { 780 struct hlist_node hlist; 781 u8 macaddr[ETH_ALEN]; 782 #define I40E_VLAN_ANY -1 783 s16 vlan; 784 enum i40e_filter_state state; 785 }; 786 787 /* Wrapper structure to keep track of filters while we are preparing to send 788 * firmware commands. We cannot send firmware commands while holding a 789 * spinlock, since it might sleep. To avoid this, we wrap the added filters in 790 * a separate structure, which will track the state change and update the real 791 * filter while under lock. We can't simply hold the filters in a separate 792 * list, as this opens a window for a race condition when adding new MAC 793 * addresses to all VLANs, or when adding new VLANs to all MAC addresses. 794 */ 795 struct i40e_new_mac_filter { 796 struct hlist_node hlist; 797 struct i40e_mac_filter *f; 798 799 /* Track future changes to state separately */ 800 enum i40e_filter_state state; 801 }; 802 803 struct i40e_veb { 804 struct i40e_pf *pf; 805 u16 idx; 806 u16 veb_idx; /* index of VEB parent */ 807 u16 seid; 808 u16 uplink_seid; 809 u16 stats_idx; /* index of VEB parent */ 810 u8 enabled_tc; 811 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 812 u16 flags; 813 u16 bw_limit; 814 u8 bw_max_quanta; 815 bool is_abs_credits; 816 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 817 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 818 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 819 struct kobject *kobj; 820 bool stat_offsets_loaded; 821 struct i40e_eth_stats stats; 822 struct i40e_eth_stats stats_offsets; 823 struct i40e_veb_tc_stats tc_stats; 824 struct i40e_veb_tc_stats tc_stats_offsets; 825 }; 826 827 /* struct that defines a VSI, associated with a dev */ 828 struct i40e_vsi { 829 struct net_device *netdev; 830 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 831 bool netdev_registered; 832 bool stat_offsets_loaded; 833 834 u32 current_netdev_flags; 835 DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__); 836 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) 837 #define I40E_VSI_FLAG_VEB_OWNER BIT(1) 838 unsigned long flags; 839 840 /* Per VSI lock to protect elements/hash (MAC filter) */ 841 spinlock_t mac_filter_hash_lock; 842 /* Fixed size hash table with 2^8 buckets for MAC filters */ 843 DECLARE_HASHTABLE(mac_filter_hash, 8); 844 bool has_vlan_filter; 845 846 /* VSI stats */ 847 struct rtnl_link_stats64 net_stats; 848 struct rtnl_link_stats64 net_stats_offsets; 849 struct i40e_eth_stats eth_stats; 850 struct i40e_eth_stats eth_stats_offsets; 851 u32 tx_restart; 852 u32 tx_busy; 853 u64 tx_linearize; 854 u64 tx_force_wb; 855 u32 rx_buf_failed; 856 u32 rx_page_failed; 857 858 /* These are containers of ring pointers, allocated at run-time */ 859 struct i40e_ring **rx_rings; 860 struct i40e_ring **tx_rings; 861 struct i40e_ring **xdp_rings; /* XDP Tx rings */ 862 863 u32 active_filters; 864 u32 promisc_threshold; 865 866 u16 work_limit; 867 u16 int_rate_limit; /* value in usecs */ 868 869 u16 rss_table_size; /* HW RSS table size */ 870 u16 rss_size; /* Allocated RSS queues */ 871 u8 *rss_hkey_user; /* User configured hash keys */ 872 u8 *rss_lut_user; /* User configured lookup table entries */ 873 874 875 u16 max_frame; 876 u16 rx_buf_len; 877 878 struct bpf_prog *xdp_prog; 879 880 /* List of q_vectors allocated to this VSI */ 881 struct i40e_q_vector **q_vectors; 882 int num_q_vectors; 883 int base_vector; 884 bool irqs_ready; 885 886 u16 seid; /* HW index of this VSI (absolute index) */ 887 u16 id; /* VSI number */ 888 u16 uplink_seid; 889 890 u16 base_queue; /* vsi's first queue in hw array */ 891 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 892 u16 req_queue_pairs; /* User requested queue pairs */ 893 u16 num_queue_pairs; /* Used tx and rx pairs */ 894 u16 num_tx_desc; 895 u16 num_rx_desc; 896 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 897 s16 vf_id; /* Virtual function ID for SRIOV VSIs */ 898 899 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */ 900 struct i40e_tc_configuration tc_config; 901 struct i40e_aqc_vsi_properties_data info; 902 903 /* VSI BW limit (absolute across all TCs) */ 904 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 905 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 906 907 /* Relative TC credits across VSIs */ 908 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 909 /* TC BW limit credits within VSI */ 910 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 911 /* TC BW limit max quanta within VSI */ 912 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 913 914 struct i40e_pf *back; /* Backreference to associated PF */ 915 u16 idx; /* index in pf->vsi[] */ 916 u16 veb_idx; /* index of VEB parent */ 917 struct kobject *kobj; /* sysfs object */ 918 bool current_isup; /* Sync 'link up' logging */ 919 enum i40e_aq_link_speed current_speed; /* Sync link speed logging */ 920 921 /* channel specific fields */ 922 u16 cnt_q_avail; /* num of queues available for channel usage */ 923 u16 orig_rss_size; 924 u16 current_rss_size; 925 bool reconfig_rss; 926 927 u16 next_base_queue; /* next queue to be used for channel setup */ 928 929 struct list_head ch_list; 930 u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS]; 931 932 /* macvlan fields */ 933 #define I40E_MAX_MACVLANS 128 /* Max HW vectors - 1 on FVL */ 934 #define I40E_MIN_MACVLAN_VECTORS 2 /* Min vectors to enable macvlans */ 935 DECLARE_BITMAP(fwd_bitmask, I40E_MAX_MACVLANS); 936 struct list_head macvlan_list; 937 int macvlan_cnt; 938 939 void *priv; /* client driver data reference. */ 940 941 /* VSI specific handlers */ 942 irqreturn_t (*irq_handler)(int irq, void *data); 943 944 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */ 945 } ____cacheline_internodealigned_in_smp; 946 947 struct i40e_netdev_priv { 948 struct i40e_vsi *vsi; 949 }; 950 951 extern struct ida i40e_client_ida; 952 953 /* struct that defines an interrupt vector */ 954 struct i40e_q_vector { 955 struct i40e_vsi *vsi; 956 957 u16 v_idx; /* index in the vsi->q_vector array. */ 958 u16 reg_idx; /* register index of the interrupt */ 959 960 struct napi_struct napi; 961 962 struct i40e_ring_container rx; 963 struct i40e_ring_container tx; 964 965 u8 itr_countdown; /* when 0 should adjust adaptive ITR */ 966 u8 num_ringpairs; /* total number of ring pairs in vector */ 967 968 cpumask_t affinity_mask; 969 struct irq_affinity_notify affinity_notify; 970 971 struct rcu_head rcu; /* to avoid race with update stats on free */ 972 char name[I40E_INT_NAME_STR_LEN]; 973 bool arm_wb_state; 974 } ____cacheline_internodealigned_in_smp; 975 976 /* lan device */ 977 struct i40e_device { 978 struct list_head list; 979 struct i40e_pf *pf; 980 }; 981 982 /** 983 * i40e_nvm_version_str - format the NVM version strings 984 * @hw: ptr to the hardware info 985 **/ 986 static inline char *i40e_nvm_version_str(struct i40e_hw *hw) 987 { 988 static char buf[32]; 989 u32 full_ver; 990 991 full_ver = hw->nvm.oem_ver; 992 993 if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) { 994 u8 gen, snap; 995 u16 release; 996 997 gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT); 998 snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >> 999 I40E_OEM_SNAP_SHIFT); 1000 release = (u16)(full_ver & I40E_OEM_RELEASE_MASK); 1001 1002 snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release); 1003 } else { 1004 u8 ver, patch; 1005 u16 build; 1006 1007 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); 1008 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) & 1009 I40E_OEM_VER_BUILD_MASK); 1010 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); 1011 1012 snprintf(buf, sizeof(buf), 1013 "%x.%02x 0x%x %d.%d.%d", 1014 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 1015 I40E_NVM_VERSION_HI_SHIFT, 1016 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 1017 I40E_NVM_VERSION_LO_SHIFT, 1018 hw->nvm.eetrack, ver, build, patch); 1019 } 1020 1021 return buf; 1022 } 1023 1024 /** 1025 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 1026 * @netdev: the corresponding netdev 1027 * 1028 * Return the PF struct for the given netdev 1029 **/ 1030 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 1031 { 1032 struct i40e_netdev_priv *np = netdev_priv(netdev); 1033 struct i40e_vsi *vsi = np->vsi; 1034 1035 return vsi->back; 1036 } 1037 1038 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 1039 irqreturn_t (*irq_handler)(int, void *)) 1040 { 1041 vsi->irq_handler = irq_handler; 1042 } 1043 1044 /** 1045 * i40e_get_fd_cnt_all - get the total FD filter space available 1046 * @pf: pointer to the PF struct 1047 **/ 1048 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 1049 { 1050 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 1051 } 1052 1053 /** 1054 * i40e_read_fd_input_set - reads value of flow director input set register 1055 * @pf: pointer to the PF struct 1056 * @addr: register addr 1057 * 1058 * This function reads value of flow director input set register 1059 * specified by 'addr' (which is specific to flow-type) 1060 **/ 1061 static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr) 1062 { 1063 u64 val; 1064 1065 val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1)); 1066 val <<= 32; 1067 val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0)); 1068 1069 return val; 1070 } 1071 1072 /** 1073 * i40e_write_fd_input_set - writes value into flow director input set register 1074 * @pf: pointer to the PF struct 1075 * @addr: register addr 1076 * @val: value to be written 1077 * 1078 * This function writes specified value to the register specified by 'addr'. 1079 * This register is input set register based on flow-type. 1080 **/ 1081 static inline void i40e_write_fd_input_set(struct i40e_pf *pf, 1082 u16 addr, u64 val) 1083 { 1084 i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1), 1085 (u32)(val >> 32)); 1086 i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0), 1087 (u32)(val & 0xFFFFFFFFULL)); 1088 } 1089 1090 /* needed by i40e_ethtool.c */ 1091 int i40e_up(struct i40e_vsi *vsi); 1092 void i40e_down(struct i40e_vsi *vsi); 1093 extern const char i40e_driver_name[]; 1094 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 1095 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired); 1096 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 1097 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 1098 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut, 1099 u16 rss_table_size, u16 rss_size); 1100 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 1101 /** 1102 * i40e_find_vsi_by_type - Find and return Flow Director VSI 1103 * @pf: PF to search for VSI 1104 * @type: Value indicating type of VSI we are looking for 1105 **/ 1106 static inline struct i40e_vsi * 1107 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type) 1108 { 1109 int i; 1110 1111 for (i = 0; i < pf->num_alloc_vsi; i++) { 1112 struct i40e_vsi *vsi = pf->vsi[i]; 1113 1114 if (vsi && vsi->type == type) 1115 return vsi; 1116 } 1117 1118 return NULL; 1119 } 1120 void i40e_update_stats(struct i40e_vsi *vsi); 1121 void i40e_update_veb_stats(struct i40e_veb *veb); 1122 void i40e_update_eth_stats(struct i40e_vsi *vsi); 1123 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 1124 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 1125 bool printconfig); 1126 1127 int i40e_add_del_fdir(struct i40e_vsi *vsi, 1128 struct i40e_fdir_filter *input, bool add); 1129 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 1130 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 1131 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 1132 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 1133 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 1134 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 1135 void i40e_set_ethtool_ops(struct net_device *netdev); 1136 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 1137 const u8 *macaddr, s16 vlan); 1138 void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f); 1139 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan); 1140 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 1141 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 1142 u16 uplink, u32 param1); 1143 int i40e_vsi_release(struct i40e_vsi *vsi); 1144 void i40e_service_event_schedule(struct i40e_pf *pf); 1145 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, 1146 u8 *msg, u16 len); 1147 1148 int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, bool is_xdp, 1149 bool enable); 1150 int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable); 1151 int i40e_vsi_start_rings(struct i40e_vsi *vsi); 1152 void i40e_vsi_stop_rings(struct i40e_vsi *vsi); 1153 void i40e_vsi_stop_rings_no_wait(struct i40e_vsi *vsi); 1154 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi); 1155 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 1156 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 1157 u16 downlink_seid, u8 enabled_tc); 1158 void i40e_veb_release(struct i40e_veb *veb); 1159 1160 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 1161 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 1162 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 1163 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 1164 void i40e_pf_reset_stats(struct i40e_pf *pf); 1165 #ifdef CONFIG_DEBUG_FS 1166 void i40e_dbg_pf_init(struct i40e_pf *pf); 1167 void i40e_dbg_pf_exit(struct i40e_pf *pf); 1168 void i40e_dbg_init(void); 1169 void i40e_dbg_exit(void); 1170 #else 1171 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 1172 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 1173 static inline void i40e_dbg_init(void) {} 1174 static inline void i40e_dbg_exit(void) {} 1175 #endif /* CONFIG_DEBUG_FS*/ 1176 /* needed by client drivers */ 1177 int i40e_lan_add_device(struct i40e_pf *pf); 1178 int i40e_lan_del_device(struct i40e_pf *pf); 1179 void i40e_client_subtask(struct i40e_pf *pf); 1180 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi); 1181 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset); 1182 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs); 1183 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id); 1184 void i40e_client_update_msix_info(struct i40e_pf *pf); 1185 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id); 1186 /** 1187 * i40e_irq_dynamic_enable - Enable default interrupt generation settings 1188 * @vsi: pointer to a vsi 1189 * @vector: enable a particular Hw Interrupt vector, without base_vector 1190 **/ 1191 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) 1192 { 1193 struct i40e_pf *pf = vsi->back; 1194 struct i40e_hw *hw = &pf->hw; 1195 u32 val; 1196 1197 val = I40E_PFINT_DYN_CTLN_INTENA_MASK | 1198 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | 1199 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); 1200 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); 1201 /* skip the flush */ 1202 } 1203 1204 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 1205 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 1206 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 1207 int i40e_open(struct net_device *netdev); 1208 int i40e_close(struct net_device *netdev); 1209 int i40e_vsi_open(struct i40e_vsi *vsi); 1210 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 1211 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); 1212 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid); 1213 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); 1214 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid); 1215 struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi, 1216 const u8 *macaddr); 1217 int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr); 1218 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 1219 int i40e_count_filters(struct i40e_vsi *vsi); 1220 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr); 1221 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 1222 static inline bool i40e_is_sw_dcb(struct i40e_pf *pf) 1223 { 1224 return !!(pf->flags & I40E_FLAG_DISABLE_FW_LLDP); 1225 } 1226 1227 #ifdef CONFIG_I40E_DCB 1228 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 1229 struct i40e_dcbx_config *old_cfg, 1230 struct i40e_dcbx_config *new_cfg); 1231 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 1232 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 1233 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 1234 struct i40e_dcbx_config *old_cfg, 1235 struct i40e_dcbx_config *new_cfg); 1236 int i40e_hw_dcb_config(struct i40e_pf *pf, struct i40e_dcbx_config *new_cfg); 1237 int i40e_dcb_sw_default_config(struct i40e_pf *pf); 1238 #endif /* CONFIG_I40E_DCB */ 1239 void i40e_ptp_rx_hang(struct i40e_pf *pf); 1240 void i40e_ptp_tx_hang(struct i40e_pf *pf); 1241 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 1242 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 1243 void i40e_ptp_set_increment(struct i40e_pf *pf); 1244 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 1245 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 1246 void i40e_ptp_save_hw_time(struct i40e_pf *pf); 1247 void i40e_ptp_restore_hw_time(struct i40e_pf *pf); 1248 void i40e_ptp_init(struct i40e_pf *pf); 1249 void i40e_ptp_stop(struct i40e_pf *pf); 1250 int i40e_ptp_alloc_pins(struct i40e_pf *pf); 1251 int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset); 1252 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 1253 i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf); 1254 i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf); 1255 i40e_status i40e_commit_partition_bw_setting(struct i40e_pf *pf); 1256 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); 1257 1258 void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags); 1259 1260 static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi) 1261 { 1262 return !!READ_ONCE(vsi->xdp_prog); 1263 } 1264 1265 int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch); 1266 int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate); 1267 int i40e_add_del_cloud_filter(struct i40e_vsi *vsi, 1268 struct i40e_cloud_filter *filter, 1269 bool add); 1270 int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi, 1271 struct i40e_cloud_filter *filter, 1272 bool add); 1273 #endif /* _I40E_H_ */ 1274