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 <linux/bitfield.h> 41 #include "i40e_type.h" 42 #include "i40e_prototype.h" 43 #include <linux/net/intel/i40e_client.h> 44 #include <linux/avf/virtchnl.h> 45 #include "i40e_virtchnl_pf.h" 46 #include "i40e_txrx.h" 47 #include "i40e_dcb.h" 48 49 /* Useful i40e defaults */ 50 #define I40E_MAX_VEB 16 51 52 #define I40E_MAX_NUM_DESCRIPTORS 4096 53 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) 54 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 55 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 56 #define I40E_MIN_NUM_DESCRIPTORS 64 57 #define I40E_MIN_MSIX 2 58 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ 59 #define I40E_MIN_VSI_ALLOC 83 /* LAN, ATR, FCOE, 64 VF */ 60 /* max 16 qps */ 61 #define i40e_default_queues_per_vmdq(pf) \ 62 (((pf)->hw_features & I40E_HW_RSS_AQ_CAPABLE) ? 4 : 1) 63 #define I40E_DEFAULT_QUEUES_PER_VF 4 64 #define I40E_MAX_VF_QUEUES 16 65 #define i40e_pf_get_max_q_per_tc(pf) \ 66 (((pf)->hw_features & I40E_HW_128_QP_RSS_CAPABLE) ? 128 : 64) 67 #define I40E_FDIR_RING_COUNT 32 68 #define I40E_MAX_AQ_BUF_SIZE 4096 69 #define I40E_AQ_LEN 256 70 #define I40E_MIN_ARQ_LEN 1 71 #define I40E_MIN_ASQ_LEN 2 72 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */ 73 #define I40E_MAX_USER_PRIORITY 8 74 #define I40E_DEFAULT_TRAFFIC_CLASS BIT(0) 75 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 76 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16) 77 78 #define I40E_NVM_VERSION_LO_SHIFT 0 79 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 80 #define I40E_NVM_VERSION_HI_SHIFT 12 81 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 82 #define I40E_OEM_VER_BUILD_MASK 0xffff 83 #define I40E_OEM_VER_PATCH_MASK 0xff 84 #define I40E_OEM_VER_BUILD_SHIFT 8 85 #define I40E_OEM_VER_SHIFT 24 86 #define I40E_PHY_DEBUG_ALL \ 87 (I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \ 88 I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW) 89 90 #define I40E_OEM_EETRACK_ID 0xffffffff 91 #define I40E_OEM_GEN_SHIFT 24 92 #define I40E_OEM_SNAP_MASK 0x00ff0000 93 #define I40E_OEM_SNAP_SHIFT 16 94 #define I40E_OEM_RELEASE_MASK 0x0000ffff 95 96 #define I40E_RX_DESC(R, i) \ 97 (&(((union i40e_rx_desc *)((R)->desc))[i])) 98 #define I40E_TX_DESC(R, i) \ 99 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 100 #define I40E_TX_CTXTDESC(R, i) \ 101 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 102 #define I40E_TX_FDIRDESC(R, i) \ 103 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 104 105 /* BW rate limiting */ 106 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */ 107 #define I40E_BW_MBPS_DIVISOR 125000 /* rate / (1000000 / 8) Mbps */ 108 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* accumulate 4 credits max */ 109 110 /* driver state flags */ 111 enum i40e_state_t { 112 __I40E_TESTING, 113 __I40E_CONFIG_BUSY, 114 __I40E_CONFIG_DONE, 115 __I40E_DOWN, 116 __I40E_SERVICE_SCHED, 117 __I40E_ADMINQ_EVENT_PENDING, 118 __I40E_MDD_EVENT_PENDING, 119 __I40E_VFLR_EVENT_PENDING, 120 __I40E_RESET_RECOVERY_PENDING, 121 __I40E_TIMEOUT_RECOVERY_PENDING, 122 __I40E_MISC_IRQ_REQUESTED, 123 __I40E_RESET_INTR_RECEIVED, 124 __I40E_REINIT_REQUESTED, 125 __I40E_PF_RESET_REQUESTED, 126 __I40E_PF_RESET_AND_REBUILD_REQUESTED, 127 __I40E_CORE_RESET_REQUESTED, 128 __I40E_GLOBAL_RESET_REQUESTED, 129 __I40E_EMP_RESET_INTR_RECEIVED, 130 __I40E_SUSPENDED, 131 __I40E_PTP_TX_IN_PROGRESS, 132 __I40E_BAD_EEPROM, 133 __I40E_DOWN_REQUESTED, 134 __I40E_FD_FLUSH_REQUESTED, 135 __I40E_FD_ATR_AUTO_DISABLED, 136 __I40E_FD_SB_AUTO_DISABLED, 137 __I40E_RESET_FAILED, 138 __I40E_PORT_SUSPENDED, 139 __I40E_VF_DISABLE, 140 __I40E_MACVLAN_SYNC_PENDING, 141 __I40E_TEMP_LINK_POLLING, 142 __I40E_CLIENT_SERVICE_REQUESTED, 143 __I40E_CLIENT_L2_CHANGE, 144 __I40E_CLIENT_RESET, 145 __I40E_VIRTCHNL_OP_PENDING, 146 __I40E_RECOVERY_MODE, 147 __I40E_VF_RESETS_DISABLED, /* disable resets during i40e_remove */ 148 __I40E_IN_REMOVE, 149 __I40E_VFS_RELEASING, 150 /* This must be last as it determines the size of the BITMAP */ 151 __I40E_STATE_SIZE__, 152 }; 153 154 #define I40E_PF_RESET_FLAG BIT_ULL(__I40E_PF_RESET_REQUESTED) 155 #define I40E_PF_RESET_AND_REBUILD_FLAG \ 156 BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED) 157 158 /* VSI state flags */ 159 enum i40e_vsi_state_t { 160 __I40E_VSI_DOWN, 161 __I40E_VSI_NEEDS_RESTART, 162 __I40E_VSI_SYNCING_FILTERS, 163 __I40E_VSI_OVERFLOW_PROMISC, 164 __I40E_VSI_REINIT_REQUESTED, 165 __I40E_VSI_DOWN_REQUESTED, 166 __I40E_VSI_RELEASING, 167 /* This must be last as it determines the size of the BITMAP */ 168 __I40E_VSI_STATE_SIZE__, 169 }; 170 171 enum i40e_interrupt_policy { 172 I40E_INTERRUPT_BEST_CASE, 173 I40E_INTERRUPT_MEDIUM, 174 I40E_INTERRUPT_LOWEST 175 }; 176 177 struct i40e_lump_tracking { 178 u16 num_entries; 179 u16 list[0]; 180 #define I40E_PILE_VALID_BIT 0x8000 181 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2) 182 }; 183 184 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 185 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 186 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 187 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 188 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) 189 190 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) 191 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 192 #define I40E_VF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4) 193 194 enum i40e_fd_stat_idx { 195 I40E_FD_STAT_ATR, 196 I40E_FD_STAT_SB, 197 I40E_FD_STAT_ATR_TUNNEL, 198 I40E_FD_STAT_PF_COUNT 199 }; 200 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 201 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 202 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 203 #define I40E_FD_SB_STAT_IDX(pf_id) \ 204 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 205 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ 206 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) 207 208 /* The following structure contains the data parsed from the user-defined 209 * field of the ethtool_rx_flow_spec structure. 210 */ 211 struct i40e_rx_flow_userdef { 212 bool flex_filter; 213 u16 flex_word; 214 u16 flex_offset; 215 }; 216 217 struct i40e_fdir_filter { 218 struct hlist_node fdir_node; 219 /* filter ipnut set */ 220 u8 flow_type; 221 u8 ipl4_proto; 222 /* TX packet view of src and dst */ 223 __be32 dst_ip; 224 __be32 src_ip; 225 __be32 dst_ip6[4]; 226 __be32 src_ip6[4]; 227 __be16 src_port; 228 __be16 dst_port; 229 __be32 sctp_v_tag; 230 231 __be16 vlan_etype; 232 __be16 vlan_tag; 233 /* Flexible data to match within the packet payload */ 234 __be16 flex_word; 235 u16 flex_offset; 236 bool flex_filter; 237 238 /* filter control */ 239 u16 q_index; 240 u8 flex_off; 241 u8 pctype; 242 u16 dest_vsi; 243 u8 dest_ctl; 244 u8 fd_status; 245 u16 cnt_index; 246 u32 fd_id; 247 }; 248 249 #define I40E_CLOUD_FIELD_OMAC BIT(0) 250 #define I40E_CLOUD_FIELD_IMAC BIT(1) 251 #define I40E_CLOUD_FIELD_IVLAN BIT(2) 252 #define I40E_CLOUD_FIELD_TEN_ID BIT(3) 253 #define I40E_CLOUD_FIELD_IIP BIT(4) 254 255 #define I40E_CLOUD_FILTER_FLAGS_OMAC I40E_CLOUD_FIELD_OMAC 256 #define I40E_CLOUD_FILTER_FLAGS_IMAC I40E_CLOUD_FIELD_IMAC 257 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN (I40E_CLOUD_FIELD_IMAC | \ 258 I40E_CLOUD_FIELD_IVLAN) 259 #define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID (I40E_CLOUD_FIELD_IMAC | \ 260 I40E_CLOUD_FIELD_TEN_ID) 261 #define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \ 262 I40E_CLOUD_FIELD_IMAC | \ 263 I40E_CLOUD_FIELD_TEN_ID) 264 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \ 265 I40E_CLOUD_FIELD_IVLAN | \ 266 I40E_CLOUD_FIELD_TEN_ID) 267 #define I40E_CLOUD_FILTER_FLAGS_IIP I40E_CLOUD_FIELD_IIP 268 269 struct i40e_cloud_filter { 270 struct hlist_node cloud_node; 271 unsigned long cookie; 272 /* cloud filter input set follows */ 273 u8 dst_mac[ETH_ALEN]; 274 u8 src_mac[ETH_ALEN]; 275 __be16 vlan_id; 276 u16 seid; /* filter control */ 277 __be16 dst_port; 278 __be16 src_port; 279 u32 tenant_id; 280 union { 281 struct { 282 struct in_addr dst_ip; 283 struct in_addr src_ip; 284 } v4; 285 struct { 286 struct in6_addr dst_ip6; 287 struct in6_addr src_ip6; 288 } v6; 289 } ip; 290 #define dst_ipv6 ip.v6.dst_ip6.s6_addr32 291 #define src_ipv6 ip.v6.src_ip6.s6_addr32 292 #define dst_ipv4 ip.v4.dst_ip.s_addr 293 #define src_ipv4 ip.v4.src_ip.s_addr 294 u16 n_proto; /* Ethernet Protocol */ 295 u8 ip_proto; /* IPPROTO value */ 296 u8 flags; 297 #define I40E_CLOUD_TNL_TYPE_NONE 0xff 298 u8 tunnel_type; 299 }; 300 301 #define I40E_DCB_PRIO_TYPE_STRICT 0 302 #define I40E_DCB_PRIO_TYPE_ETS 1 303 #define I40E_DCB_STRICT_PRIO_CREDITS 127 304 /* DCB per TC information data structure */ 305 struct i40e_tc_info { 306 u16 qoffset; /* Queue offset from base queue */ 307 u16 qcount; /* Total Queues */ 308 u8 netdev_tc; /* Netdev TC index if netdev associated */ 309 }; 310 311 /* TC configuration data structure */ 312 struct i40e_tc_configuration { 313 u8 numtc; /* Total number of enabled TCs */ 314 u8 enabled_tc; /* TC map */ 315 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 316 }; 317 318 #define I40E_UDP_PORT_INDEX_UNUSED 255 319 struct i40e_udp_port_config { 320 /* AdminQ command interface expects port number in Host byte order */ 321 u16 port; 322 u8 type; 323 u8 filter_index; 324 }; 325 326 #define I40_DDP_FLASH_REGION 100 327 #define I40E_PROFILE_INFO_SIZE 48 328 #define I40E_MAX_PROFILE_NUM 16 329 #define I40E_PROFILE_LIST_SIZE \ 330 (I40E_PROFILE_INFO_SIZE * I40E_MAX_PROFILE_NUM + 4) 331 #define I40E_DDP_PROFILE_PATH "intel/i40e/ddp/" 332 #define I40E_DDP_PROFILE_NAME_MAX 64 333 334 int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size, 335 bool is_add); 336 int i40e_ddp_flash(struct net_device *netdev, struct ethtool_flash *flash); 337 338 struct i40e_ddp_profile_list { 339 u32 p_count; 340 struct i40e_profile_info p_info[]; 341 }; 342 343 struct i40e_ddp_old_profile_list { 344 struct list_head list; 345 size_t old_ddp_size; 346 u8 old_ddp_buf[]; 347 }; 348 349 /* macros related to FLX_PIT */ 350 #define I40E_FLEX_SET_FSIZE(fsize) (((fsize) << \ 351 I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \ 352 I40E_PRTQF_FLX_PIT_FSIZE_MASK) 353 #define I40E_FLEX_SET_DST_WORD(dst) (((dst) << \ 354 I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \ 355 I40E_PRTQF_FLX_PIT_DEST_OFF_MASK) 356 #define I40E_FLEX_SET_SRC_WORD(src) (((src) << \ 357 I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \ 358 I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK) 359 #define I40E_FLEX_PREP_VAL(dst, fsize, src) (I40E_FLEX_SET_DST_WORD(dst) | \ 360 I40E_FLEX_SET_FSIZE(fsize) | \ 361 I40E_FLEX_SET_SRC_WORD(src)) 362 363 364 #define I40E_MAX_FLEX_SRC_OFFSET 0x1F 365 366 /* macros related to GLQF_ORT */ 367 #define I40E_ORT_SET_IDX(idx) (((idx) << \ 368 I40E_GLQF_ORT_PIT_INDX_SHIFT) & \ 369 I40E_GLQF_ORT_PIT_INDX_MASK) 370 371 #define I40E_ORT_SET_COUNT(count) (((count) << \ 372 I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \ 373 I40E_GLQF_ORT_FIELD_CNT_MASK) 374 375 #define I40E_ORT_SET_PAYLOAD(payload) (((payload) << \ 376 I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \ 377 I40E_GLQF_ORT_FLX_PAYLOAD_MASK) 378 379 #define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \ 380 I40E_ORT_SET_COUNT(count) | \ 381 I40E_ORT_SET_PAYLOAD(payload)) 382 383 #define I40E_L3_GLQF_ORT_IDX 34 384 #define I40E_L4_GLQF_ORT_IDX 35 385 386 /* Flex PIT register index */ 387 #define I40E_FLEX_PIT_IDX_START_L3 3 388 #define I40E_FLEX_PIT_IDX_START_L4 6 389 390 #define I40E_FLEX_PIT_TABLE_SIZE 3 391 392 #define I40E_FLEX_DEST_UNUSED 63 393 394 #define I40E_FLEX_INDEX_ENTRIES 8 395 396 /* Flex MASK to disable all flexible entries */ 397 #define I40E_FLEX_INPUT_MASK (I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \ 398 I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \ 399 I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \ 400 I40E_FLEX_56_MASK | I40E_FLEX_57_MASK) 401 402 struct i40e_flex_pit { 403 struct list_head list; 404 u16 src_offset; 405 u8 pit_index; 406 }; 407 408 struct i40e_fwd_adapter { 409 struct net_device *netdev; 410 int bit_no; 411 }; 412 413 struct i40e_channel { 414 struct list_head list; 415 bool initialized; 416 u8 type; 417 u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */ 418 u16 stat_counter_idx; 419 u16 base_queue; 420 u16 num_queue_pairs; /* Requested by user */ 421 u16 seid; 422 423 u8 enabled_tc; 424 struct i40e_aqc_vsi_properties_data info; 425 426 u64 max_tx_rate; 427 struct i40e_fwd_adapter *fwd; 428 429 /* track this channel belongs to which VSI */ 430 struct i40e_vsi *parent_vsi; 431 }; 432 433 struct i40e_ptp_pins_settings; 434 435 static inline bool i40e_is_channel_macvlan(struct i40e_channel *ch) 436 { 437 return !!ch->fwd; 438 } 439 440 static inline const u8 *i40e_channel_mac(struct i40e_channel *ch) 441 { 442 if (i40e_is_channel_macvlan(ch)) 443 return ch->fwd->netdev->dev_addr; 444 else 445 return NULL; 446 } 447 448 /* struct that defines the Ethernet device */ 449 struct i40e_pf { 450 struct pci_dev *pdev; 451 struct i40e_hw hw; 452 DECLARE_BITMAP(state, __I40E_STATE_SIZE__); 453 struct msix_entry *msix_entries; 454 bool fc_autoneg_status; 455 456 u16 eeprom_version; 457 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 458 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 459 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 460 u16 num_req_vfs; /* num VFs requested for this PF */ 461 u16 num_vf_qps; /* num queue pairs per VF */ 462 u16 num_lan_qps; /* num lan queues this PF has set up */ 463 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 464 u16 num_fdsb_msix; /* num queue vectors for sideband Fdir */ 465 u16 num_iwarp_msix; /* num of iwarp vectors for this PF */ 466 int iwarp_base_vector; 467 int queues_left; /* queues left unclaimed */ 468 u16 alloc_rss_size; /* allocated RSS queues */ 469 u16 rss_size_max; /* HW defined max RSS queues */ 470 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 471 u16 num_alloc_vsi; /* num VSIs this driver supports */ 472 u8 atr_sample_rate; 473 bool wol_en; 474 475 struct hlist_head fdir_filter_list; 476 u16 fdir_pf_active_filters; 477 unsigned long fd_flush_timestamp; 478 u32 fd_flush_cnt; 479 u32 fd_add_err; 480 u32 fd_atr_cnt; 481 482 /* Book-keeping of side-band filter count per flow-type. 483 * This is used to detect and handle input set changes for 484 * respective flow-type. 485 */ 486 u16 fd_tcp4_filter_cnt; 487 u16 fd_udp4_filter_cnt; 488 u16 fd_sctp4_filter_cnt; 489 u16 fd_ip4_filter_cnt; 490 491 u16 fd_tcp6_filter_cnt; 492 u16 fd_udp6_filter_cnt; 493 u16 fd_sctp6_filter_cnt; 494 u16 fd_ip6_filter_cnt; 495 496 /* Flexible filter table values that need to be programmed into 497 * hardware, which expects L3 and L4 to be programmed separately. We 498 * need to ensure that the values are in ascended order and don't have 499 * duplicates, so we track each L3 and L4 values in separate lists. 500 */ 501 struct list_head l3_flex_pit_list; 502 struct list_head l4_flex_pit_list; 503 504 struct udp_tunnel_nic_shared udp_tunnel_shared; 505 struct udp_tunnel_nic_info udp_tunnel_nic; 506 507 struct hlist_head cloud_filter_list; 508 u16 num_cloud_filters; 509 510 enum i40e_interrupt_policy int_policy; 511 u16 rx_itr_default; 512 u16 tx_itr_default; 513 u32 msg_enable; 514 char int_name[I40E_INT_NAME_STR_LEN]; 515 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 516 unsigned long service_timer_period; 517 unsigned long service_timer_previous; 518 struct timer_list service_timer; 519 struct work_struct service_task; 520 521 u32 hw_features; 522 #define I40E_HW_RSS_AQ_CAPABLE BIT(0) 523 #define I40E_HW_128_QP_RSS_CAPABLE BIT(1) 524 #define I40E_HW_ATR_EVICT_CAPABLE BIT(2) 525 #define I40E_HW_WB_ON_ITR_CAPABLE BIT(3) 526 #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT(4) 527 #define I40E_HW_NO_PCI_LINK_CHECK BIT(5) 528 #define I40E_HW_100M_SGMII_CAPABLE BIT(6) 529 #define I40E_HW_NO_DCB_SUPPORT BIT(7) 530 #define I40E_HW_USE_SET_LLDP_MIB BIT(8) 531 #define I40E_HW_GENEVE_OFFLOAD_CAPABLE BIT(9) 532 #define I40E_HW_PTP_L4_CAPABLE BIT(10) 533 #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE BIT(11) 534 #define I40E_HW_HAVE_CRT_RETIMER BIT(13) 535 #define I40E_HW_OUTER_UDP_CSUM_CAPABLE BIT(14) 536 #define I40E_HW_PHY_CONTROLS_LEDS BIT(15) 537 #define I40E_HW_STOP_FW_LLDP BIT(16) 538 #define I40E_HW_PORT_ID_VALID BIT(17) 539 #define I40E_HW_RESTART_AUTONEG BIT(18) 540 541 u32 flags; 542 #define I40E_FLAG_RX_CSUM_ENABLED BIT(0) 543 #define I40E_FLAG_MSI_ENABLED BIT(1) 544 #define I40E_FLAG_MSIX_ENABLED BIT(2) 545 #define I40E_FLAG_RSS_ENABLED BIT(3) 546 #define I40E_FLAG_VMDQ_ENABLED BIT(4) 547 #define I40E_FLAG_SRIOV_ENABLED BIT(5) 548 #define I40E_FLAG_DCB_CAPABLE BIT(6) 549 #define I40E_FLAG_DCB_ENABLED BIT(7) 550 #define I40E_FLAG_FD_SB_ENABLED BIT(8) 551 #define I40E_FLAG_FD_ATR_ENABLED BIT(9) 552 #define I40E_FLAG_MFP_ENABLED BIT(10) 553 #define I40E_FLAG_HW_ATR_EVICT_ENABLED BIT(11) 554 #define I40E_FLAG_VEB_MODE_ENABLED BIT(12) 555 #define I40E_FLAG_VEB_STATS_ENABLED BIT(13) 556 #define I40E_FLAG_LINK_POLLING_ENABLED BIT(14) 557 #define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT(15) 558 #define I40E_FLAG_LEGACY_RX BIT(16) 559 #define I40E_FLAG_PTP BIT(17) 560 #define I40E_FLAG_IWARP_ENABLED BIT(18) 561 #define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED BIT(19) 562 #define I40E_FLAG_SOURCE_PRUNING_DISABLED BIT(20) 563 #define I40E_FLAG_TC_MQPRIO BIT(21) 564 #define I40E_FLAG_FD_SB_INACTIVE BIT(22) 565 #define I40E_FLAG_FD_SB_TO_CLOUD_FILTER BIT(23) 566 #define I40E_FLAG_DISABLE_FW_LLDP BIT(24) 567 #define I40E_FLAG_RS_FEC BIT(25) 568 #define I40E_FLAG_BASE_R_FEC BIT(26) 569 #define I40E_FLAG_VF_VLAN_PRUNING BIT(27) 570 /* TOTAL_PORT_SHUTDOWN 571 * Allows to physically disable the link on the NIC's port. 572 * If enabled, (after link down request from the OS) 573 * no link, traffic or led activity is possible on that port. 574 * 575 * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the 576 * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true 577 * and cannot be disabled by system admin at that time. 578 * The functionalities are exclusive in terms of configuration, but they also 579 * have similar behavior (allowing to disable physical link of the port), 580 * with following differences: 581 * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is 582 * supported by whole family of 7xx Intel Ethernet Controllers 583 * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS) 584 * only if motherboard's BIOS and NIC's FW has support of it 585 * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down 586 * by sending phy_type=0 to NIC's FW 587 * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead 588 * the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK) 589 * in abilities field of i40e_aq_set_phy_config structure 590 */ 591 #define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED BIT(27) 592 593 struct i40e_client_instance *cinst; 594 bool stat_offsets_loaded; 595 struct i40e_hw_port_stats stats; 596 struct i40e_hw_port_stats stats_offsets; 597 u32 tx_timeout_count; 598 u32 tx_timeout_recovery_level; 599 unsigned long tx_timeout_last_recovery; 600 u32 tx_sluggish_count; 601 u32 hw_csum_rx_error; 602 u32 led_status; 603 u16 corer_count; /* Core reset count */ 604 u16 globr_count; /* Global reset count */ 605 u16 empr_count; /* EMP reset count */ 606 u16 pfr_count; /* PF reset count */ 607 u16 sw_int_count; /* SW interrupt count */ 608 609 struct mutex switch_mutex; 610 u16 lan_vsi; /* our default LAN VSI */ 611 u16 lan_veb; /* initial relay, if exists */ 612 #define I40E_NO_VEB 0xffff 613 #define I40E_NO_VSI 0xffff 614 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 615 struct i40e_vsi **vsi; 616 struct i40e_veb *veb[I40E_MAX_VEB]; 617 618 struct i40e_lump_tracking *qp_pile; 619 struct i40e_lump_tracking *irq_pile; 620 621 /* switch config info */ 622 u16 pf_seid; 623 u16 main_vsi_seid; 624 u16 mac_seid; 625 struct kobject *switch_kobj; 626 #ifdef CONFIG_DEBUG_FS 627 struct dentry *i40e_dbg_pf; 628 #endif /* CONFIG_DEBUG_FS */ 629 bool cur_promisc; 630 631 u16 instance; /* A unique number per i40e_pf instance in the system */ 632 633 /* sr-iov config info */ 634 struct i40e_vf *vf; 635 int num_alloc_vfs; /* actual number of VFs allocated */ 636 u32 vf_aq_requests; 637 u32 arq_overflows; /* Not fatal, possibly indicative of problems */ 638 639 /* DCBx/DCBNL capability for PF that indicates 640 * whether DCBx is managed by firmware or host 641 * based agent (LLDPAD). Also, indicates what 642 * flavor of DCBx protocol (IEEE/CEE) is supported 643 * by the device. For now we're supporting IEEE 644 * mode only. 645 */ 646 u16 dcbx_cap; 647 648 struct i40e_filter_control_settings filter_settings; 649 struct i40e_rx_pb_config pb_cfg; /* Current Rx packet buffer config */ 650 struct i40e_dcbx_config tmp_cfg; 651 652 /* GPIO defines used by PTP */ 653 #define I40E_SDP3_2 18 654 #define I40E_SDP3_3 19 655 #define I40E_GPIO_4 20 656 #define I40E_LED2_0 26 657 #define I40E_LED2_1 27 658 #define I40E_LED3_0 28 659 #define I40E_LED3_1 29 660 #define I40E_GLGEN_GPIO_SET_SDP_DATA_HI \ 661 (1 << I40E_GLGEN_GPIO_SET_SDP_DATA_SHIFT) 662 #define I40E_GLGEN_GPIO_SET_DRV_SDP_DATA \ 663 (1 << I40E_GLGEN_GPIO_SET_DRIVE_SDP_SHIFT) 664 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_0 \ 665 (0 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT) 666 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_1 \ 667 (1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT) 668 #define I40E_GLGEN_GPIO_CTL_RESERVED BIT(2) 669 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z \ 670 (1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_SHIFT) 671 #define I40E_GLGEN_GPIO_CTL_DIR_OUT \ 672 (1 << I40E_GLGEN_GPIO_CTL_PIN_DIR_SHIFT) 673 #define I40E_GLGEN_GPIO_CTL_TRI_DRV_HI \ 674 (1 << I40E_GLGEN_GPIO_CTL_TRI_CTL_SHIFT) 675 #define I40E_GLGEN_GPIO_CTL_OUT_HI_RST \ 676 (1 << I40E_GLGEN_GPIO_CTL_OUT_CTL_SHIFT) 677 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_0 \ 678 (3 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) 679 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_1 \ 680 (4 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) 681 #define I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN \ 682 (0x3F << I40E_GLGEN_GPIO_CTL_PHY_PIN_NAME_SHIFT) 683 #define I40E_GLGEN_GPIO_CTL_OUT_DEFAULT \ 684 (1 << I40E_GLGEN_GPIO_CTL_OUT_DEFAULT_SHIFT) 685 #define I40E_GLGEN_GPIO_CTL_PORT_0_IN_TIMESYNC_0 \ 686 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 687 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \ 688 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0) 689 #define I40E_GLGEN_GPIO_CTL_PORT_1_IN_TIMESYNC_0 \ 690 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 691 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \ 692 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1) 693 #define I40E_GLGEN_GPIO_CTL_PORT_0_OUT_TIMESYNC_1 \ 694 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 695 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 696 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 697 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0) 698 #define I40E_GLGEN_GPIO_CTL_PORT_1_OUT_TIMESYNC_1 \ 699 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 700 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 701 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 702 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1) 703 #define I40E_GLGEN_GPIO_CTL_LED_INIT \ 704 (I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z | \ 705 I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 706 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | \ 707 I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 708 I40E_GLGEN_GPIO_CTL_OUT_DEFAULT | \ 709 I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN) 710 #define I40E_PRTTSYN_AUX_1_INSTNT \ 711 (1 << I40E_PRTTSYN_AUX_1_INSTNT_SHIFT) 712 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE \ 713 (1 << I40E_PRTTSYN_AUX_0_OUT_ENA_SHIFT) 714 #define I40E_PRTTSYN_AUX_0_OUT_CLK_MOD (3 << I40E_PRTTSYN_AUX_0_OUTMOD_SHIFT) 715 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE_CLK_MOD \ 716 (I40E_PRTTSYN_AUX_0_OUT_ENABLE | I40E_PRTTSYN_AUX_0_OUT_CLK_MOD) 717 #define I40E_PTP_HALF_SECOND 500000000LL /* nano seconds */ 718 #define I40E_PTP_2_SEC_DELAY 2 719 720 struct ptp_clock *ptp_clock; 721 struct ptp_clock_info ptp_caps; 722 struct sk_buff *ptp_tx_skb; 723 unsigned long ptp_tx_start; 724 struct hwtstamp_config tstamp_config; 725 struct timespec64 ptp_prev_hw_time; 726 struct work_struct ptp_pps_work; 727 struct work_struct ptp_extts0_work; 728 struct work_struct ptp_extts1_work; 729 ktime_t ptp_reset_start; 730 struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */ 731 u32 ptp_adj_mult; 732 u32 tx_hwtstamp_timeouts; 733 u32 tx_hwtstamp_skipped; 734 u32 rx_hwtstamp_cleared; 735 u32 latch_event_flags; 736 u64 ptp_pps_start; 737 u32 pps_delay; 738 spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */ 739 struct ptp_pin_desc ptp_pin[3]; 740 unsigned long latch_events[4]; 741 bool ptp_tx; 742 bool ptp_rx; 743 struct i40e_ptp_pins_settings *ptp_pins; 744 u16 rss_table_size; /* HW RSS table size */ 745 u32 max_bw; 746 u32 min_bw; 747 748 u32 ioremap_len; 749 u32 fd_inv; 750 u16 phy_led_val; 751 752 u16 override_q_count; 753 u16 last_sw_conf_flags; 754 u16 last_sw_conf_valid_flags; 755 /* List to keep previous DDP profiles to be rolled back in the future */ 756 struct list_head ddp_old_prof; 757 }; 758 759 /** 760 * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key 761 * @macaddr: the MAC Address as the base key 762 * 763 * Simply copies the address and returns it as a u64 for hashing 764 **/ 765 static inline u64 i40e_addr_to_hkey(const u8 *macaddr) 766 { 767 u64 key = 0; 768 769 ether_addr_copy((u8 *)&key, macaddr); 770 return key; 771 } 772 773 enum i40e_filter_state { 774 I40E_FILTER_INVALID = 0, /* Invalid state */ 775 I40E_FILTER_NEW, /* New, not sent to FW yet */ 776 I40E_FILTER_ACTIVE, /* Added to switch by FW */ 777 I40E_FILTER_FAILED, /* Rejected by FW */ 778 I40E_FILTER_REMOVE, /* To be removed */ 779 /* There is no 'removed' state; the filter struct is freed */ 780 }; 781 struct i40e_mac_filter { 782 struct hlist_node hlist; 783 u8 macaddr[ETH_ALEN]; 784 #define I40E_VLAN_ANY -1 785 s16 vlan; 786 enum i40e_filter_state state; 787 }; 788 789 /* Wrapper structure to keep track of filters while we are preparing to send 790 * firmware commands. We cannot send firmware commands while holding a 791 * spinlock, since it might sleep. To avoid this, we wrap the added filters in 792 * a separate structure, which will track the state change and update the real 793 * filter while under lock. We can't simply hold the filters in a separate 794 * list, as this opens a window for a race condition when adding new MAC 795 * addresses to all VLANs, or when adding new VLANs to all MAC addresses. 796 */ 797 struct i40e_new_mac_filter { 798 struct hlist_node hlist; 799 struct i40e_mac_filter *f; 800 801 /* Track future changes to state separately */ 802 enum i40e_filter_state state; 803 }; 804 805 struct i40e_veb { 806 struct i40e_pf *pf; 807 u16 idx; 808 u16 veb_idx; /* index of VEB parent */ 809 u16 seid; 810 u16 uplink_seid; 811 u16 stats_idx; /* index of VEB parent */ 812 u8 enabled_tc; 813 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 814 u16 flags; 815 u16 bw_limit; 816 u8 bw_max_quanta; 817 bool is_abs_credits; 818 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 819 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 820 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 821 struct kobject *kobj; 822 bool stat_offsets_loaded; 823 struct i40e_eth_stats stats; 824 struct i40e_eth_stats stats_offsets; 825 struct i40e_veb_tc_stats tc_stats; 826 struct i40e_veb_tc_stats tc_stats_offsets; 827 }; 828 829 /* struct that defines a VSI, associated with a dev */ 830 struct i40e_vsi { 831 struct net_device *netdev; 832 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 833 bool netdev_registered; 834 bool stat_offsets_loaded; 835 836 u32 current_netdev_flags; 837 DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__); 838 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) 839 #define I40E_VSI_FLAG_VEB_OWNER BIT(1) 840 unsigned long flags; 841 842 /* Per VSI lock to protect elements/hash (MAC filter) */ 843 spinlock_t mac_filter_hash_lock; 844 /* Fixed size hash table with 2^8 buckets for MAC filters */ 845 DECLARE_HASHTABLE(mac_filter_hash, 8); 846 bool has_vlan_filter; 847 848 /* VSI stats */ 849 struct rtnl_link_stats64 net_stats; 850 struct rtnl_link_stats64 net_stats_offsets; 851 struct i40e_eth_stats eth_stats; 852 struct i40e_eth_stats eth_stats_offsets; 853 u64 tx_restart; 854 u64 tx_busy; 855 u64 tx_linearize; 856 u64 tx_force_wb; 857 u64 tx_stopped; 858 u64 rx_buf_failed; 859 u64 rx_page_failed; 860 u64 rx_page_reuse; 861 u64 rx_page_alloc; 862 u64 rx_page_waive; 863 u64 rx_page_busy; 864 865 /* These are containers of ring pointers, allocated at run-time */ 866 struct i40e_ring **rx_rings; 867 struct i40e_ring **tx_rings; 868 struct i40e_ring **xdp_rings; /* XDP Tx rings */ 869 870 u32 active_filters; 871 u32 promisc_threshold; 872 873 u16 work_limit; 874 u16 int_rate_limit; /* value in usecs */ 875 876 u16 rss_table_size; /* HW RSS table size */ 877 u16 rss_size; /* Allocated RSS queues */ 878 u8 *rss_hkey_user; /* User configured hash keys */ 879 u8 *rss_lut_user; /* User configured lookup table entries */ 880 881 882 u16 max_frame; 883 u16 rx_buf_len; 884 885 struct bpf_prog *xdp_prog; 886 887 /* List of q_vectors allocated to this VSI */ 888 struct i40e_q_vector **q_vectors; 889 int num_q_vectors; 890 int base_vector; 891 bool irqs_ready; 892 893 u16 seid; /* HW index of this VSI (absolute index) */ 894 u16 id; /* VSI number */ 895 u16 uplink_seid; 896 897 u16 base_queue; /* vsi's first queue in hw array */ 898 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 899 u16 req_queue_pairs; /* User requested queue pairs */ 900 u16 num_queue_pairs; /* Used tx and rx pairs */ 901 u16 num_tx_desc; 902 u16 num_rx_desc; 903 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 904 s16 vf_id; /* Virtual function ID for SRIOV VSIs */ 905 906 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */ 907 struct i40e_tc_configuration tc_config; 908 struct i40e_aqc_vsi_properties_data info; 909 910 /* VSI BW limit (absolute across all TCs) */ 911 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 912 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 913 914 /* Relative TC credits across VSIs */ 915 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 916 /* TC BW limit credits within VSI */ 917 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 918 /* TC BW limit max quanta within VSI */ 919 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 920 921 struct i40e_pf *back; /* Backreference to associated PF */ 922 u16 idx; /* index in pf->vsi[] */ 923 u16 veb_idx; /* index of VEB parent */ 924 struct kobject *kobj; /* sysfs object */ 925 bool current_isup; /* Sync 'link up' logging */ 926 enum i40e_aq_link_speed current_speed; /* Sync link speed logging */ 927 928 /* channel specific fields */ 929 u16 cnt_q_avail; /* num of queues available for channel usage */ 930 u16 orig_rss_size; 931 u16 current_rss_size; 932 bool reconfig_rss; 933 934 u16 next_base_queue; /* next queue to be used for channel setup */ 935 936 struct list_head ch_list; 937 u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS]; 938 939 /* macvlan fields */ 940 #define I40E_MAX_MACVLANS 128 /* Max HW vectors - 1 on FVL */ 941 #define I40E_MIN_MACVLAN_VECTORS 2 /* Min vectors to enable macvlans */ 942 DECLARE_BITMAP(fwd_bitmask, I40E_MAX_MACVLANS); 943 struct list_head macvlan_list; 944 int macvlan_cnt; 945 946 void *priv; /* client driver data reference. */ 947 948 /* VSI specific handlers */ 949 irqreturn_t (*irq_handler)(int irq, void *data); 950 951 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */ 952 } ____cacheline_internodealigned_in_smp; 953 954 struct i40e_netdev_priv { 955 struct i40e_vsi *vsi; 956 }; 957 958 extern struct ida i40e_client_ida; 959 960 /* struct that defines an interrupt vector */ 961 struct i40e_q_vector { 962 struct i40e_vsi *vsi; 963 964 u16 v_idx; /* index in the vsi->q_vector array. */ 965 u16 reg_idx; /* register index of the interrupt */ 966 967 struct napi_struct napi; 968 969 struct i40e_ring_container rx; 970 struct i40e_ring_container tx; 971 972 u8 itr_countdown; /* when 0 should adjust adaptive ITR */ 973 u8 num_ringpairs; /* total number of ring pairs in vector */ 974 975 cpumask_t affinity_mask; 976 struct irq_affinity_notify affinity_notify; 977 978 struct rcu_head rcu; /* to avoid race with update stats on free */ 979 char name[I40E_INT_NAME_STR_LEN]; 980 bool arm_wb_state; 981 } ____cacheline_internodealigned_in_smp; 982 983 /* lan device */ 984 struct i40e_device { 985 struct list_head list; 986 struct i40e_pf *pf; 987 }; 988 989 /** 990 * i40e_nvm_version_str - format the NVM version strings 991 * @hw: ptr to the hardware info 992 **/ 993 static inline char *i40e_nvm_version_str(struct i40e_hw *hw) 994 { 995 static char buf[32]; 996 u32 full_ver; 997 998 full_ver = hw->nvm.oem_ver; 999 1000 if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) { 1001 u8 gen, snap; 1002 u16 release; 1003 1004 gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT); 1005 snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >> 1006 I40E_OEM_SNAP_SHIFT); 1007 release = (u16)(full_ver & I40E_OEM_RELEASE_MASK); 1008 1009 snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release); 1010 } else { 1011 u8 ver, patch; 1012 u16 build; 1013 1014 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); 1015 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) & 1016 I40E_OEM_VER_BUILD_MASK); 1017 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); 1018 1019 snprintf(buf, sizeof(buf), 1020 "%x.%02x 0x%x %d.%d.%d", 1021 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 1022 I40E_NVM_VERSION_HI_SHIFT, 1023 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 1024 I40E_NVM_VERSION_LO_SHIFT, 1025 hw->nvm.eetrack, ver, build, patch); 1026 } 1027 1028 return buf; 1029 } 1030 1031 /** 1032 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 1033 * @netdev: the corresponding netdev 1034 * 1035 * Return the PF struct for the given netdev 1036 **/ 1037 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 1038 { 1039 struct i40e_netdev_priv *np = netdev_priv(netdev); 1040 struct i40e_vsi *vsi = np->vsi; 1041 1042 return vsi->back; 1043 } 1044 1045 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 1046 irqreturn_t (*irq_handler)(int, void *)) 1047 { 1048 vsi->irq_handler = irq_handler; 1049 } 1050 1051 /** 1052 * i40e_get_fd_cnt_all - get the total FD filter space available 1053 * @pf: pointer to the PF struct 1054 **/ 1055 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 1056 { 1057 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 1058 } 1059 1060 /** 1061 * i40e_read_fd_input_set - reads value of flow director input set register 1062 * @pf: pointer to the PF struct 1063 * @addr: register addr 1064 * 1065 * This function reads value of flow director input set register 1066 * specified by 'addr' (which is specific to flow-type) 1067 **/ 1068 static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr) 1069 { 1070 u64 val; 1071 1072 val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1)); 1073 val <<= 32; 1074 val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0)); 1075 1076 return val; 1077 } 1078 1079 /** 1080 * i40e_write_fd_input_set - writes value into flow director input set register 1081 * @pf: pointer to the PF struct 1082 * @addr: register addr 1083 * @val: value to be written 1084 * 1085 * This function writes specified value to the register specified by 'addr'. 1086 * This register is input set register based on flow-type. 1087 **/ 1088 static inline void i40e_write_fd_input_set(struct i40e_pf *pf, 1089 u16 addr, u64 val) 1090 { 1091 i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1), 1092 (u32)(val >> 32)); 1093 i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0), 1094 (u32)(val & 0xFFFFFFFFULL)); 1095 } 1096 1097 /** 1098 * i40e_get_pf_count - get PCI PF count. 1099 * @hw: pointer to a hw. 1100 * 1101 * Reports the function number of the highest PCI physical 1102 * function plus 1 as it is loaded from the NVM. 1103 * 1104 * Return: PCI PF count. 1105 **/ 1106 static inline u32 i40e_get_pf_count(struct i40e_hw *hw) 1107 { 1108 return FIELD_GET(I40E_GLGEN_PCIFCNCNT_PCIPFCNT_MASK, 1109 rd32(hw, I40E_GLGEN_PCIFCNCNT)); 1110 } 1111 1112 /* needed by i40e_ethtool.c */ 1113 int i40e_up(struct i40e_vsi *vsi); 1114 void i40e_down(struct i40e_vsi *vsi); 1115 extern const char i40e_driver_name[]; 1116 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 1117 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired); 1118 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 1119 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 1120 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut, 1121 u16 rss_table_size, u16 rss_size); 1122 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 1123 /** 1124 * i40e_find_vsi_by_type - Find and return Flow Director VSI 1125 * @pf: PF to search for VSI 1126 * @type: Value indicating type of VSI we are looking for 1127 **/ 1128 static inline struct i40e_vsi * 1129 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type) 1130 { 1131 int i; 1132 1133 for (i = 0; i < pf->num_alloc_vsi; i++) { 1134 struct i40e_vsi *vsi = pf->vsi[i]; 1135 1136 if (vsi && vsi->type == type) 1137 return vsi; 1138 } 1139 1140 return NULL; 1141 } 1142 void i40e_update_stats(struct i40e_vsi *vsi); 1143 void i40e_update_veb_stats(struct i40e_veb *veb); 1144 void i40e_update_eth_stats(struct i40e_vsi *vsi); 1145 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 1146 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 1147 bool printconfig); 1148 1149 int i40e_add_del_fdir(struct i40e_vsi *vsi, 1150 struct i40e_fdir_filter *input, bool add); 1151 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 1152 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 1153 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 1154 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 1155 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 1156 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 1157 void i40e_set_ethtool_ops(struct net_device *netdev); 1158 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 1159 const u8 *macaddr, s16 vlan); 1160 void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f); 1161 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan); 1162 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 1163 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 1164 u16 uplink, u32 param1); 1165 int i40e_vsi_release(struct i40e_vsi *vsi); 1166 void i40e_service_event_schedule(struct i40e_pf *pf); 1167 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, 1168 u8 *msg, u16 len); 1169 1170 int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, bool is_xdp, 1171 bool enable); 1172 int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable); 1173 int i40e_vsi_start_rings(struct i40e_vsi *vsi); 1174 void i40e_vsi_stop_rings(struct i40e_vsi *vsi); 1175 void i40e_vsi_stop_rings_no_wait(struct i40e_vsi *vsi); 1176 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi); 1177 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 1178 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 1179 u16 downlink_seid, u8 enabled_tc); 1180 void i40e_veb_release(struct i40e_veb *veb); 1181 1182 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 1183 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 1184 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 1185 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 1186 void i40e_pf_reset_stats(struct i40e_pf *pf); 1187 #ifdef CONFIG_DEBUG_FS 1188 void i40e_dbg_pf_init(struct i40e_pf *pf); 1189 void i40e_dbg_pf_exit(struct i40e_pf *pf); 1190 void i40e_dbg_init(void); 1191 void i40e_dbg_exit(void); 1192 #else 1193 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 1194 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 1195 static inline void i40e_dbg_init(void) {} 1196 static inline void i40e_dbg_exit(void) {} 1197 #endif /* CONFIG_DEBUG_FS*/ 1198 /* needed by client drivers */ 1199 int i40e_lan_add_device(struct i40e_pf *pf); 1200 int i40e_lan_del_device(struct i40e_pf *pf); 1201 void i40e_client_subtask(struct i40e_pf *pf); 1202 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi); 1203 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset); 1204 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs); 1205 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id); 1206 void i40e_client_update_msix_info(struct i40e_pf *pf); 1207 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id); 1208 /** 1209 * i40e_irq_dynamic_enable - Enable default interrupt generation settings 1210 * @vsi: pointer to a vsi 1211 * @vector: enable a particular Hw Interrupt vector, without base_vector 1212 **/ 1213 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) 1214 { 1215 struct i40e_pf *pf = vsi->back; 1216 struct i40e_hw *hw = &pf->hw; 1217 u32 val; 1218 1219 val = I40E_PFINT_DYN_CTLN_INTENA_MASK | 1220 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | 1221 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); 1222 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); 1223 /* skip the flush */ 1224 } 1225 1226 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 1227 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 1228 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 1229 int i40e_open(struct net_device *netdev); 1230 int i40e_close(struct net_device *netdev); 1231 int i40e_vsi_open(struct i40e_vsi *vsi); 1232 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 1233 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); 1234 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid); 1235 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); 1236 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid); 1237 struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi, 1238 const u8 *macaddr); 1239 int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr); 1240 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 1241 int i40e_count_filters(struct i40e_vsi *vsi); 1242 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr); 1243 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 1244 static inline bool i40e_is_sw_dcb(struct i40e_pf *pf) 1245 { 1246 return !!(pf->flags & I40E_FLAG_DISABLE_FW_LLDP); 1247 } 1248 1249 #ifdef CONFIG_I40E_DCB 1250 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 1251 struct i40e_dcbx_config *old_cfg, 1252 struct i40e_dcbx_config *new_cfg); 1253 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 1254 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 1255 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 1256 struct i40e_dcbx_config *old_cfg, 1257 struct i40e_dcbx_config *new_cfg); 1258 int i40e_hw_dcb_config(struct i40e_pf *pf, struct i40e_dcbx_config *new_cfg); 1259 int i40e_dcb_sw_default_config(struct i40e_pf *pf); 1260 #endif /* CONFIG_I40E_DCB */ 1261 void i40e_ptp_rx_hang(struct i40e_pf *pf); 1262 void i40e_ptp_tx_hang(struct i40e_pf *pf); 1263 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 1264 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 1265 void i40e_ptp_set_increment(struct i40e_pf *pf); 1266 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 1267 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 1268 void i40e_ptp_save_hw_time(struct i40e_pf *pf); 1269 void i40e_ptp_restore_hw_time(struct i40e_pf *pf); 1270 void i40e_ptp_init(struct i40e_pf *pf); 1271 void i40e_ptp_stop(struct i40e_pf *pf); 1272 int i40e_ptp_alloc_pins(struct i40e_pf *pf); 1273 int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset); 1274 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 1275 i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf); 1276 i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf); 1277 i40e_status i40e_commit_partition_bw_setting(struct i40e_pf *pf); 1278 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); 1279 1280 void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags); 1281 1282 static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi) 1283 { 1284 return !!READ_ONCE(vsi->xdp_prog); 1285 } 1286 1287 int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch); 1288 int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate); 1289 int i40e_add_del_cloud_filter(struct i40e_vsi *vsi, 1290 struct i40e_cloud_filter *filter, 1291 bool add); 1292 int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi, 1293 struct i40e_cloud_filter *filter, 1294 bool add); 1295 1296 /** 1297 * i40e_is_tc_mqprio_enabled - check if TC MQPRIO is enabled on PF 1298 * @pf: pointer to a pf. 1299 * 1300 * Check and return value of flag I40E_FLAG_TC_MQPRIO. 1301 * 1302 * Return: I40E_FLAG_TC_MQPRIO set state. 1303 **/ 1304 static inline u32 i40e_is_tc_mqprio_enabled(struct i40e_pf *pf) 1305 { 1306 return pf->flags & I40E_FLAG_TC_MQPRIO; 1307 } 1308 1309 #endif /* _I40E_H_ */ 1310