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/netdevice.h> 14 #include <linux/ioport.h> 15 #include <linux/iommu.h> 16 #include <linux/slab.h> 17 #include <linux/list.h> 18 #include <linux/hashtable.h> 19 #include <linux/string.h> 20 #include <linux/in.h> 21 #include <linux/ip.h> 22 #include <linux/sctp.h> 23 #include <linux/pkt_sched.h> 24 #include <linux/ipv6.h> 25 #include <net/checksum.h> 26 #include <net/ip6_checksum.h> 27 #include <linux/ethtool.h> 28 #include <linux/if_vlan.h> 29 #include <linux/if_macvlan.h> 30 #include <linux/if_bridge.h> 31 #include <linux/clocksource.h> 32 #include <linux/net_tstamp.h> 33 #include <linux/ptp_clock_kernel.h> 34 #include <net/pkt_cls.h> 35 #include <net/pkt_sched.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[]; 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 #define I40E_QINT_TQCTL_VAL(qp, vector, nextq_type) \ 403 (I40E_QINT_TQCTL_CAUSE_ENA_MASK | \ 404 (I40E_TX_ITR << I40E_QINT_TQCTL_ITR_INDX_SHIFT) | \ 405 ((vector) << I40E_QINT_TQCTL_MSIX_INDX_SHIFT) | \ 406 ((qp) << I40E_QINT_TQCTL_NEXTQ_INDX_SHIFT) | \ 407 (I40E_QUEUE_TYPE_##nextq_type << I40E_QINT_TQCTL_NEXTQ_TYPE_SHIFT)) 408 409 #define I40E_QINT_RQCTL_VAL(qp, vector, nextq_type) \ 410 (I40E_QINT_RQCTL_CAUSE_ENA_MASK | \ 411 (I40E_RX_ITR << I40E_QINT_RQCTL_ITR_INDX_SHIFT) | \ 412 ((vector) << I40E_QINT_RQCTL_MSIX_INDX_SHIFT) | \ 413 ((qp) << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) | \ 414 (I40E_QUEUE_TYPE_##nextq_type << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT)) 415 416 struct i40e_flex_pit { 417 struct list_head list; 418 u16 src_offset; 419 u8 pit_index; 420 }; 421 422 struct i40e_fwd_adapter { 423 struct net_device *netdev; 424 int bit_no; 425 }; 426 427 struct i40e_channel { 428 struct list_head list; 429 bool initialized; 430 u8 type; 431 u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */ 432 u16 stat_counter_idx; 433 u16 base_queue; 434 u16 num_queue_pairs; /* Requested by user */ 435 u16 seid; 436 437 u8 enabled_tc; 438 struct i40e_aqc_vsi_properties_data info; 439 440 u64 max_tx_rate; 441 struct i40e_fwd_adapter *fwd; 442 443 /* track this channel belongs to which VSI */ 444 struct i40e_vsi *parent_vsi; 445 }; 446 447 struct i40e_ptp_pins_settings; 448 449 static inline bool i40e_is_channel_macvlan(struct i40e_channel *ch) 450 { 451 return !!ch->fwd; 452 } 453 454 static inline const u8 *i40e_channel_mac(struct i40e_channel *ch) 455 { 456 if (i40e_is_channel_macvlan(ch)) 457 return ch->fwd->netdev->dev_addr; 458 else 459 return NULL; 460 } 461 462 /* struct that defines the Ethernet device */ 463 struct i40e_pf { 464 struct pci_dev *pdev; 465 struct i40e_hw hw; 466 DECLARE_BITMAP(state, __I40E_STATE_SIZE__); 467 struct msix_entry *msix_entries; 468 bool fc_autoneg_status; 469 470 u16 eeprom_version; 471 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 472 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 473 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 474 u16 num_req_vfs; /* num VFs requested for this PF */ 475 u16 num_vf_qps; /* num queue pairs per VF */ 476 u16 num_lan_qps; /* num lan queues this PF has set up */ 477 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 478 u16 num_fdsb_msix; /* num queue vectors for sideband Fdir */ 479 u16 num_iwarp_msix; /* num of iwarp vectors for this PF */ 480 int iwarp_base_vector; 481 int queues_left; /* queues left unclaimed */ 482 u16 alloc_rss_size; /* allocated RSS queues */ 483 u16 rss_size_max; /* HW defined max RSS queues */ 484 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 485 u16 num_alloc_vsi; /* num VSIs this driver supports */ 486 u8 atr_sample_rate; 487 bool wol_en; 488 489 struct hlist_head fdir_filter_list; 490 u16 fdir_pf_active_filters; 491 unsigned long fd_flush_timestamp; 492 u32 fd_flush_cnt; 493 u32 fd_add_err; 494 u32 fd_atr_cnt; 495 496 /* Book-keeping of side-band filter count per flow-type. 497 * This is used to detect and handle input set changes for 498 * respective flow-type. 499 */ 500 u16 fd_tcp4_filter_cnt; 501 u16 fd_udp4_filter_cnt; 502 u16 fd_sctp4_filter_cnt; 503 u16 fd_ip4_filter_cnt; 504 505 u16 fd_tcp6_filter_cnt; 506 u16 fd_udp6_filter_cnt; 507 u16 fd_sctp6_filter_cnt; 508 u16 fd_ip6_filter_cnt; 509 510 /* Flexible filter table values that need to be programmed into 511 * hardware, which expects L3 and L4 to be programmed separately. We 512 * need to ensure that the values are in ascended order and don't have 513 * duplicates, so we track each L3 and L4 values in separate lists. 514 */ 515 struct list_head l3_flex_pit_list; 516 struct list_head l4_flex_pit_list; 517 518 struct udp_tunnel_nic_shared udp_tunnel_shared; 519 struct udp_tunnel_nic_info udp_tunnel_nic; 520 521 struct hlist_head cloud_filter_list; 522 u16 num_cloud_filters; 523 524 enum i40e_interrupt_policy int_policy; 525 u16 rx_itr_default; 526 u16 tx_itr_default; 527 u32 msg_enable; 528 char int_name[I40E_INT_NAME_STR_LEN]; 529 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 530 unsigned long service_timer_period; 531 unsigned long service_timer_previous; 532 struct timer_list service_timer; 533 struct work_struct service_task; 534 535 u32 hw_features; 536 #define I40E_HW_RSS_AQ_CAPABLE BIT(0) 537 #define I40E_HW_128_QP_RSS_CAPABLE BIT(1) 538 #define I40E_HW_ATR_EVICT_CAPABLE BIT(2) 539 #define I40E_HW_WB_ON_ITR_CAPABLE BIT(3) 540 #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT(4) 541 #define I40E_HW_NO_PCI_LINK_CHECK BIT(5) 542 #define I40E_HW_100M_SGMII_CAPABLE BIT(6) 543 #define I40E_HW_NO_DCB_SUPPORT BIT(7) 544 #define I40E_HW_USE_SET_LLDP_MIB BIT(8) 545 #define I40E_HW_GENEVE_OFFLOAD_CAPABLE BIT(9) 546 #define I40E_HW_PTP_L4_CAPABLE BIT(10) 547 #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE BIT(11) 548 #define I40E_HW_HAVE_CRT_RETIMER BIT(13) 549 #define I40E_HW_OUTER_UDP_CSUM_CAPABLE BIT(14) 550 #define I40E_HW_PHY_CONTROLS_LEDS BIT(15) 551 #define I40E_HW_STOP_FW_LLDP BIT(16) 552 #define I40E_HW_PORT_ID_VALID BIT(17) 553 #define I40E_HW_RESTART_AUTONEG BIT(18) 554 555 u32 flags; 556 #define I40E_FLAG_RX_CSUM_ENABLED BIT(0) 557 #define I40E_FLAG_MSI_ENABLED BIT(1) 558 #define I40E_FLAG_MSIX_ENABLED BIT(2) 559 #define I40E_FLAG_RSS_ENABLED BIT(3) 560 #define I40E_FLAG_VMDQ_ENABLED BIT(4) 561 #define I40E_FLAG_SRIOV_ENABLED BIT(5) 562 #define I40E_FLAG_DCB_CAPABLE BIT(6) 563 #define I40E_FLAG_DCB_ENABLED BIT(7) 564 #define I40E_FLAG_FD_SB_ENABLED BIT(8) 565 #define I40E_FLAG_FD_ATR_ENABLED BIT(9) 566 #define I40E_FLAG_MFP_ENABLED BIT(10) 567 #define I40E_FLAG_HW_ATR_EVICT_ENABLED BIT(11) 568 #define I40E_FLAG_VEB_MODE_ENABLED BIT(12) 569 #define I40E_FLAG_VEB_STATS_ENABLED BIT(13) 570 #define I40E_FLAG_LINK_POLLING_ENABLED BIT(14) 571 #define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT(15) 572 #define I40E_FLAG_LEGACY_RX BIT(16) 573 #define I40E_FLAG_PTP BIT(17) 574 #define I40E_FLAG_IWARP_ENABLED BIT(18) 575 #define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED BIT(19) 576 #define I40E_FLAG_SOURCE_PRUNING_DISABLED BIT(20) 577 #define I40E_FLAG_TC_MQPRIO BIT(21) 578 #define I40E_FLAG_FD_SB_INACTIVE BIT(22) 579 #define I40E_FLAG_FD_SB_TO_CLOUD_FILTER BIT(23) 580 #define I40E_FLAG_DISABLE_FW_LLDP BIT(24) 581 #define I40E_FLAG_RS_FEC BIT(25) 582 #define I40E_FLAG_BASE_R_FEC BIT(26) 583 /* TOTAL_PORT_SHUTDOWN 584 * Allows to physically disable the link on the NIC's port. 585 * If enabled, (after link down request from the OS) 586 * no link, traffic or led activity is possible on that port. 587 * 588 * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the 589 * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true 590 * and cannot be disabled by system admin at that time. 591 * The functionalities are exclusive in terms of configuration, but they also 592 * have similar behavior (allowing to disable physical link of the port), 593 * with following differences: 594 * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is 595 * supported by whole family of 7xx Intel Ethernet Controllers 596 * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS) 597 * only if motherboard's BIOS and NIC's FW has support of it 598 * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down 599 * by sending phy_type=0 to NIC's FW 600 * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead 601 * the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK) 602 * in abilities field of i40e_aq_set_phy_config structure 603 */ 604 #define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED BIT(27) 605 #define I40E_FLAG_VF_VLAN_PRUNING BIT(28) 606 607 struct i40e_client_instance *cinst; 608 bool stat_offsets_loaded; 609 struct i40e_hw_port_stats stats; 610 struct i40e_hw_port_stats stats_offsets; 611 u32 tx_timeout_count; 612 u32 tx_timeout_recovery_level; 613 unsigned long tx_timeout_last_recovery; 614 u32 tx_sluggish_count; 615 u32 hw_csum_rx_error; 616 u32 led_status; 617 u16 corer_count; /* Core reset count */ 618 u16 globr_count; /* Global reset count */ 619 u16 empr_count; /* EMP reset count */ 620 u16 pfr_count; /* PF reset count */ 621 u16 sw_int_count; /* SW interrupt count */ 622 623 struct mutex switch_mutex; 624 u16 lan_vsi; /* our default LAN VSI */ 625 u16 lan_veb; /* initial relay, if exists */ 626 #define I40E_NO_VEB 0xffff 627 #define I40E_NO_VSI 0xffff 628 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 629 struct i40e_vsi **vsi; 630 struct i40e_veb *veb[I40E_MAX_VEB]; 631 632 struct i40e_lump_tracking *qp_pile; 633 struct i40e_lump_tracking *irq_pile; 634 635 /* switch config info */ 636 u16 pf_seid; 637 u16 main_vsi_seid; 638 u16 mac_seid; 639 struct kobject *switch_kobj; 640 #ifdef CONFIG_DEBUG_FS 641 struct dentry *i40e_dbg_pf; 642 #endif /* CONFIG_DEBUG_FS */ 643 bool cur_promisc; 644 645 u16 instance; /* A unique number per i40e_pf instance in the system */ 646 647 /* sr-iov config info */ 648 struct i40e_vf *vf; 649 int num_alloc_vfs; /* actual number of VFs allocated */ 650 u32 vf_aq_requests; 651 u32 arq_overflows; /* Not fatal, possibly indicative of problems */ 652 653 /* DCBx/DCBNL capability for PF that indicates 654 * whether DCBx is managed by firmware or host 655 * based agent (LLDPAD). Also, indicates what 656 * flavor of DCBx protocol (IEEE/CEE) is supported 657 * by the device. For now we're supporting IEEE 658 * mode only. 659 */ 660 u16 dcbx_cap; 661 662 struct i40e_filter_control_settings filter_settings; 663 struct i40e_rx_pb_config pb_cfg; /* Current Rx packet buffer config */ 664 struct i40e_dcbx_config tmp_cfg; 665 666 /* GPIO defines used by PTP */ 667 #define I40E_SDP3_2 18 668 #define I40E_SDP3_3 19 669 #define I40E_GPIO_4 20 670 #define I40E_LED2_0 26 671 #define I40E_LED2_1 27 672 #define I40E_LED3_0 28 673 #define I40E_LED3_1 29 674 #define I40E_GLGEN_GPIO_SET_SDP_DATA_HI \ 675 (1 << I40E_GLGEN_GPIO_SET_SDP_DATA_SHIFT) 676 #define I40E_GLGEN_GPIO_SET_DRV_SDP_DATA \ 677 (1 << I40E_GLGEN_GPIO_SET_DRIVE_SDP_SHIFT) 678 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_0 \ 679 (0 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT) 680 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_1 \ 681 (1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT) 682 #define I40E_GLGEN_GPIO_CTL_RESERVED BIT(2) 683 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z \ 684 (1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_SHIFT) 685 #define I40E_GLGEN_GPIO_CTL_DIR_OUT \ 686 (1 << I40E_GLGEN_GPIO_CTL_PIN_DIR_SHIFT) 687 #define I40E_GLGEN_GPIO_CTL_TRI_DRV_HI \ 688 (1 << I40E_GLGEN_GPIO_CTL_TRI_CTL_SHIFT) 689 #define I40E_GLGEN_GPIO_CTL_OUT_HI_RST \ 690 (1 << I40E_GLGEN_GPIO_CTL_OUT_CTL_SHIFT) 691 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_0 \ 692 (3 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) 693 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_1 \ 694 (4 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) 695 #define I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN \ 696 (0x3F << I40E_GLGEN_GPIO_CTL_PHY_PIN_NAME_SHIFT) 697 #define I40E_GLGEN_GPIO_CTL_OUT_DEFAULT \ 698 (1 << I40E_GLGEN_GPIO_CTL_OUT_DEFAULT_SHIFT) 699 #define I40E_GLGEN_GPIO_CTL_PORT_0_IN_TIMESYNC_0 \ 700 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 701 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \ 702 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0) 703 #define I40E_GLGEN_GPIO_CTL_PORT_1_IN_TIMESYNC_0 \ 704 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 705 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \ 706 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1) 707 #define I40E_GLGEN_GPIO_CTL_PORT_0_OUT_TIMESYNC_1 \ 708 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 709 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 710 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 711 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0) 712 #define I40E_GLGEN_GPIO_CTL_PORT_1_OUT_TIMESYNC_1 \ 713 (I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \ 714 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 715 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 716 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1) 717 #define I40E_GLGEN_GPIO_CTL_LED_INIT \ 718 (I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z | \ 719 I40E_GLGEN_GPIO_CTL_DIR_OUT | \ 720 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | \ 721 I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \ 722 I40E_GLGEN_GPIO_CTL_OUT_DEFAULT | \ 723 I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN) 724 #define I40E_PRTTSYN_AUX_1_INSTNT \ 725 (1 << I40E_PRTTSYN_AUX_1_INSTNT_SHIFT) 726 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE \ 727 (1 << I40E_PRTTSYN_AUX_0_OUT_ENA_SHIFT) 728 #define I40E_PRTTSYN_AUX_0_OUT_CLK_MOD (3 << I40E_PRTTSYN_AUX_0_OUTMOD_SHIFT) 729 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE_CLK_MOD \ 730 (I40E_PRTTSYN_AUX_0_OUT_ENABLE | I40E_PRTTSYN_AUX_0_OUT_CLK_MOD) 731 #define I40E_PTP_HALF_SECOND 500000000LL /* nano seconds */ 732 #define I40E_PTP_2_SEC_DELAY 2 733 734 struct ptp_clock *ptp_clock; 735 struct ptp_clock_info ptp_caps; 736 struct sk_buff *ptp_tx_skb; 737 unsigned long ptp_tx_start; 738 struct hwtstamp_config tstamp_config; 739 struct timespec64 ptp_prev_hw_time; 740 struct work_struct ptp_pps_work; 741 struct work_struct ptp_extts0_work; 742 struct work_struct ptp_extts1_work; 743 ktime_t ptp_reset_start; 744 struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */ 745 u32 ptp_adj_mult; 746 u32 tx_hwtstamp_timeouts; 747 u32 tx_hwtstamp_skipped; 748 u32 rx_hwtstamp_cleared; 749 u32 latch_event_flags; 750 u64 ptp_pps_start; 751 u32 pps_delay; 752 spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */ 753 struct ptp_pin_desc ptp_pin[3]; 754 unsigned long latch_events[4]; 755 bool ptp_tx; 756 bool ptp_rx; 757 struct i40e_ptp_pins_settings *ptp_pins; 758 u16 rss_table_size; /* HW RSS table size */ 759 u32 max_bw; 760 u32 min_bw; 761 762 u32 ioremap_len; 763 u32 fd_inv; 764 u16 phy_led_val; 765 766 u16 override_q_count; 767 u16 last_sw_conf_flags; 768 u16 last_sw_conf_valid_flags; 769 /* List to keep previous DDP profiles to be rolled back in the future */ 770 struct list_head ddp_old_prof; 771 }; 772 773 /** 774 * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key 775 * @macaddr: the MAC Address as the base key 776 * 777 * Simply copies the address and returns it as a u64 for hashing 778 **/ 779 static inline u64 i40e_addr_to_hkey(const u8 *macaddr) 780 { 781 u64 key = 0; 782 783 ether_addr_copy((u8 *)&key, macaddr); 784 return key; 785 } 786 787 enum i40e_filter_state { 788 I40E_FILTER_INVALID = 0, /* Invalid state */ 789 I40E_FILTER_NEW, /* New, not sent to FW yet */ 790 I40E_FILTER_ACTIVE, /* Added to switch by FW */ 791 I40E_FILTER_FAILED, /* Rejected by FW */ 792 I40E_FILTER_REMOVE, /* To be removed */ 793 /* There is no 'removed' state; the filter struct is freed */ 794 }; 795 struct i40e_mac_filter { 796 struct hlist_node hlist; 797 u8 macaddr[ETH_ALEN]; 798 #define I40E_VLAN_ANY -1 799 s16 vlan; 800 enum i40e_filter_state state; 801 }; 802 803 /* Wrapper structure to keep track of filters while we are preparing to send 804 * firmware commands. We cannot send firmware commands while holding a 805 * spinlock, since it might sleep. To avoid this, we wrap the added filters in 806 * a separate structure, which will track the state change and update the real 807 * filter while under lock. We can't simply hold the filters in a separate 808 * list, as this opens a window for a race condition when adding new MAC 809 * addresses to all VLANs, or when adding new VLANs to all MAC addresses. 810 */ 811 struct i40e_new_mac_filter { 812 struct hlist_node hlist; 813 struct i40e_mac_filter *f; 814 815 /* Track future changes to state separately */ 816 enum i40e_filter_state state; 817 }; 818 819 struct i40e_veb { 820 struct i40e_pf *pf; 821 u16 idx; 822 u16 veb_idx; /* index of VEB parent */ 823 u16 seid; 824 u16 uplink_seid; 825 u16 stats_idx; /* index of VEB parent */ 826 u8 enabled_tc; 827 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 828 u16 flags; 829 u16 bw_limit; 830 u8 bw_max_quanta; 831 bool is_abs_credits; 832 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 833 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 834 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 835 struct kobject *kobj; 836 bool stat_offsets_loaded; 837 struct i40e_eth_stats stats; 838 struct i40e_eth_stats stats_offsets; 839 struct i40e_veb_tc_stats tc_stats; 840 struct i40e_veb_tc_stats tc_stats_offsets; 841 }; 842 843 /* struct that defines a VSI, associated with a dev */ 844 struct i40e_vsi { 845 struct net_device *netdev; 846 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 847 bool netdev_registered; 848 bool stat_offsets_loaded; 849 850 u32 current_netdev_flags; 851 DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__); 852 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) 853 #define I40E_VSI_FLAG_VEB_OWNER BIT(1) 854 unsigned long flags; 855 856 /* Per VSI lock to protect elements/hash (MAC filter) */ 857 spinlock_t mac_filter_hash_lock; 858 /* Fixed size hash table with 2^8 buckets for MAC filters */ 859 DECLARE_HASHTABLE(mac_filter_hash, 8); 860 bool has_vlan_filter; 861 862 /* VSI stats */ 863 struct rtnl_link_stats64 net_stats; 864 struct rtnl_link_stats64 net_stats_offsets; 865 struct i40e_eth_stats eth_stats; 866 struct i40e_eth_stats eth_stats_offsets; 867 u64 tx_restart; 868 u64 tx_busy; 869 u64 tx_linearize; 870 u64 tx_force_wb; 871 u64 tx_stopped; 872 u64 rx_buf_failed; 873 u64 rx_page_failed; 874 u64 rx_page_reuse; 875 u64 rx_page_alloc; 876 u64 rx_page_waive; 877 u64 rx_page_busy; 878 879 /* These are containers of ring pointers, allocated at run-time */ 880 struct i40e_ring **rx_rings; 881 struct i40e_ring **tx_rings; 882 struct i40e_ring **xdp_rings; /* XDP Tx rings */ 883 884 u32 active_filters; 885 u32 promisc_threshold; 886 887 u16 work_limit; 888 u16 int_rate_limit; /* value in usecs */ 889 890 u16 rss_table_size; /* HW RSS table size */ 891 u16 rss_size; /* Allocated RSS queues */ 892 u8 *rss_hkey_user; /* User configured hash keys */ 893 u8 *rss_lut_user; /* User configured lookup table entries */ 894 895 896 u16 max_frame; 897 u16 rx_buf_len; 898 899 struct bpf_prog *xdp_prog; 900 901 /* List of q_vectors allocated to this VSI */ 902 struct i40e_q_vector **q_vectors; 903 int num_q_vectors; 904 int base_vector; 905 bool irqs_ready; 906 907 u16 seid; /* HW index of this VSI (absolute index) */ 908 u16 id; /* VSI number */ 909 u16 uplink_seid; 910 911 u16 base_queue; /* vsi's first queue in hw array */ 912 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 913 u16 req_queue_pairs; /* User requested queue pairs */ 914 u16 num_queue_pairs; /* Used tx and rx pairs */ 915 u16 num_tx_desc; 916 u16 num_rx_desc; 917 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 918 s16 vf_id; /* Virtual function ID for SRIOV VSIs */ 919 920 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */ 921 struct i40e_tc_configuration tc_config; 922 struct i40e_aqc_vsi_properties_data info; 923 924 /* VSI BW limit (absolute across all TCs) */ 925 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 926 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 927 928 /* Relative TC credits across VSIs */ 929 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 930 /* TC BW limit credits within VSI */ 931 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 932 /* TC BW limit max quanta within VSI */ 933 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 934 935 struct i40e_pf *back; /* Backreference to associated PF */ 936 u16 idx; /* index in pf->vsi[] */ 937 u16 veb_idx; /* index of VEB parent */ 938 struct kobject *kobj; /* sysfs object */ 939 bool current_isup; /* Sync 'link up' logging */ 940 enum i40e_aq_link_speed current_speed; /* Sync link speed logging */ 941 942 /* channel specific fields */ 943 u16 cnt_q_avail; /* num of queues available for channel usage */ 944 u16 orig_rss_size; 945 u16 current_rss_size; 946 bool reconfig_rss; 947 948 u16 next_base_queue; /* next queue to be used for channel setup */ 949 950 struct list_head ch_list; 951 u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS]; 952 953 /* macvlan fields */ 954 #define I40E_MAX_MACVLANS 128 /* Max HW vectors - 1 on FVL */ 955 #define I40E_MIN_MACVLAN_VECTORS 2 /* Min vectors to enable macvlans */ 956 DECLARE_BITMAP(fwd_bitmask, I40E_MAX_MACVLANS); 957 struct list_head macvlan_list; 958 int macvlan_cnt; 959 960 void *priv; /* client driver data reference. */ 961 962 /* VSI specific handlers */ 963 irqreturn_t (*irq_handler)(int irq, void *data); 964 965 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */ 966 } ____cacheline_internodealigned_in_smp; 967 968 struct i40e_netdev_priv { 969 struct i40e_vsi *vsi; 970 }; 971 972 extern struct ida i40e_client_ida; 973 974 /* struct that defines an interrupt vector */ 975 struct i40e_q_vector { 976 struct i40e_vsi *vsi; 977 978 u16 v_idx; /* index in the vsi->q_vector array. */ 979 u16 reg_idx; /* register index of the interrupt */ 980 981 struct napi_struct napi; 982 983 struct i40e_ring_container rx; 984 struct i40e_ring_container tx; 985 986 u8 itr_countdown; /* when 0 should adjust adaptive ITR */ 987 u8 num_ringpairs; /* total number of ring pairs in vector */ 988 989 cpumask_t affinity_mask; 990 struct irq_affinity_notify affinity_notify; 991 992 struct rcu_head rcu; /* to avoid race with update stats on free */ 993 char name[I40E_INT_NAME_STR_LEN]; 994 bool arm_wb_state; 995 int irq_num; /* IRQ assigned to this q_vector */ 996 } ____cacheline_internodealigned_in_smp; 997 998 /* lan device */ 999 struct i40e_device { 1000 struct list_head list; 1001 struct i40e_pf *pf; 1002 }; 1003 1004 /** 1005 * i40e_nvm_version_str - format the NVM version strings 1006 * @hw: ptr to the hardware info 1007 **/ 1008 static inline char *i40e_nvm_version_str(struct i40e_hw *hw) 1009 { 1010 static char buf[32]; 1011 u32 full_ver; 1012 1013 full_ver = hw->nvm.oem_ver; 1014 1015 if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) { 1016 u8 gen, snap; 1017 u16 release; 1018 1019 gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT); 1020 snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >> 1021 I40E_OEM_SNAP_SHIFT); 1022 release = (u16)(full_ver & I40E_OEM_RELEASE_MASK); 1023 1024 snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release); 1025 } else { 1026 u8 ver, patch; 1027 u16 build; 1028 1029 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); 1030 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) & 1031 I40E_OEM_VER_BUILD_MASK); 1032 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); 1033 1034 snprintf(buf, sizeof(buf), 1035 "%x.%02x 0x%x %d.%d.%d", 1036 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 1037 I40E_NVM_VERSION_HI_SHIFT, 1038 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 1039 I40E_NVM_VERSION_LO_SHIFT, 1040 hw->nvm.eetrack, ver, build, patch); 1041 } 1042 1043 return buf; 1044 } 1045 1046 /** 1047 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 1048 * @netdev: the corresponding netdev 1049 * 1050 * Return the PF struct for the given netdev 1051 **/ 1052 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 1053 { 1054 struct i40e_netdev_priv *np = netdev_priv(netdev); 1055 struct i40e_vsi *vsi = np->vsi; 1056 1057 return vsi->back; 1058 } 1059 1060 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 1061 irqreturn_t (*irq_handler)(int, void *)) 1062 { 1063 vsi->irq_handler = irq_handler; 1064 } 1065 1066 /** 1067 * i40e_get_fd_cnt_all - get the total FD filter space available 1068 * @pf: pointer to the PF struct 1069 **/ 1070 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 1071 { 1072 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 1073 } 1074 1075 /** 1076 * i40e_read_fd_input_set - reads value of flow director input set register 1077 * @pf: pointer to the PF struct 1078 * @addr: register addr 1079 * 1080 * This function reads value of flow director input set register 1081 * specified by 'addr' (which is specific to flow-type) 1082 **/ 1083 static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr) 1084 { 1085 u64 val; 1086 1087 val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1)); 1088 val <<= 32; 1089 val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0)); 1090 1091 return val; 1092 } 1093 1094 /** 1095 * i40e_write_fd_input_set - writes value into flow director input set register 1096 * @pf: pointer to the PF struct 1097 * @addr: register addr 1098 * @val: value to be written 1099 * 1100 * This function writes specified value to the register specified by 'addr'. 1101 * This register is input set register based on flow-type. 1102 **/ 1103 static inline void i40e_write_fd_input_set(struct i40e_pf *pf, 1104 u16 addr, u64 val) 1105 { 1106 i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1), 1107 (u32)(val >> 32)); 1108 i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0), 1109 (u32)(val & 0xFFFFFFFFULL)); 1110 } 1111 1112 /** 1113 * i40e_get_pf_count - get PCI PF count. 1114 * @hw: pointer to a hw. 1115 * 1116 * Reports the function number of the highest PCI physical 1117 * function plus 1 as it is loaded from the NVM. 1118 * 1119 * Return: PCI PF count. 1120 **/ 1121 static inline u32 i40e_get_pf_count(struct i40e_hw *hw) 1122 { 1123 return FIELD_GET(I40E_GLGEN_PCIFCNCNT_PCIPFCNT_MASK, 1124 rd32(hw, I40E_GLGEN_PCIFCNCNT)); 1125 } 1126 1127 /* needed by i40e_ethtool.c */ 1128 int i40e_up(struct i40e_vsi *vsi); 1129 void i40e_down(struct i40e_vsi *vsi); 1130 extern const char i40e_driver_name[]; 1131 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 1132 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired); 1133 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 1134 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 1135 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut, 1136 u16 rss_table_size, u16 rss_size); 1137 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 1138 /** 1139 * i40e_find_vsi_by_type - Find and return Flow Director VSI 1140 * @pf: PF to search for VSI 1141 * @type: Value indicating type of VSI we are looking for 1142 **/ 1143 static inline struct i40e_vsi * 1144 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type) 1145 { 1146 int i; 1147 1148 for (i = 0; i < pf->num_alloc_vsi; i++) { 1149 struct i40e_vsi *vsi = pf->vsi[i]; 1150 1151 if (vsi && vsi->type == type) 1152 return vsi; 1153 } 1154 1155 return NULL; 1156 } 1157 void i40e_update_stats(struct i40e_vsi *vsi); 1158 void i40e_update_veb_stats(struct i40e_veb *veb); 1159 void i40e_update_eth_stats(struct i40e_vsi *vsi); 1160 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 1161 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 1162 bool printconfig); 1163 1164 int i40e_add_del_fdir(struct i40e_vsi *vsi, 1165 struct i40e_fdir_filter *input, bool add); 1166 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 1167 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 1168 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 1169 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 1170 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 1171 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 1172 void i40e_set_ethtool_ops(struct net_device *netdev); 1173 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 1174 const u8 *macaddr, s16 vlan); 1175 void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f); 1176 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan); 1177 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 1178 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 1179 u16 uplink, u32 param1); 1180 int i40e_vsi_release(struct i40e_vsi *vsi); 1181 void i40e_service_event_schedule(struct i40e_pf *pf); 1182 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, 1183 u8 *msg, u16 len); 1184 1185 int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, bool is_xdp, 1186 bool enable); 1187 int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable); 1188 int i40e_vsi_start_rings(struct i40e_vsi *vsi); 1189 void i40e_vsi_stop_rings(struct i40e_vsi *vsi); 1190 void i40e_vsi_stop_rings_no_wait(struct i40e_vsi *vsi); 1191 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi); 1192 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 1193 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 1194 u16 downlink_seid, u8 enabled_tc); 1195 void i40e_veb_release(struct i40e_veb *veb); 1196 1197 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 1198 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 1199 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 1200 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 1201 void i40e_pf_reset_stats(struct i40e_pf *pf); 1202 #ifdef CONFIG_DEBUG_FS 1203 void i40e_dbg_pf_init(struct i40e_pf *pf); 1204 void i40e_dbg_pf_exit(struct i40e_pf *pf); 1205 void i40e_dbg_init(void); 1206 void i40e_dbg_exit(void); 1207 #else 1208 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 1209 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 1210 static inline void i40e_dbg_init(void) {} 1211 static inline void i40e_dbg_exit(void) {} 1212 #endif /* CONFIG_DEBUG_FS*/ 1213 /* needed by client drivers */ 1214 int i40e_lan_add_device(struct i40e_pf *pf); 1215 int i40e_lan_del_device(struct i40e_pf *pf); 1216 void i40e_client_subtask(struct i40e_pf *pf); 1217 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi); 1218 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset); 1219 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs); 1220 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id); 1221 void i40e_client_update_msix_info(struct i40e_pf *pf); 1222 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id); 1223 /** 1224 * i40e_irq_dynamic_enable - Enable default interrupt generation settings 1225 * @vsi: pointer to a vsi 1226 * @vector: enable a particular Hw Interrupt vector, without base_vector 1227 **/ 1228 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) 1229 { 1230 struct i40e_pf *pf = vsi->back; 1231 struct i40e_hw *hw = &pf->hw; 1232 u32 val; 1233 1234 val = I40E_PFINT_DYN_CTLN_INTENA_MASK | 1235 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | 1236 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); 1237 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); 1238 /* skip the flush */ 1239 } 1240 1241 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 1242 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 1243 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 1244 int i40e_open(struct net_device *netdev); 1245 int i40e_close(struct net_device *netdev); 1246 int i40e_vsi_open(struct i40e_vsi *vsi); 1247 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 1248 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); 1249 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid); 1250 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); 1251 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid); 1252 struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi, 1253 const u8 *macaddr); 1254 int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr); 1255 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 1256 int i40e_count_filters(struct i40e_vsi *vsi); 1257 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr); 1258 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 1259 static inline bool i40e_is_sw_dcb(struct i40e_pf *pf) 1260 { 1261 return !!(pf->flags & I40E_FLAG_DISABLE_FW_LLDP); 1262 } 1263 1264 #ifdef CONFIG_I40E_DCB 1265 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 1266 struct i40e_dcbx_config *old_cfg, 1267 struct i40e_dcbx_config *new_cfg); 1268 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 1269 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 1270 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 1271 struct i40e_dcbx_config *old_cfg, 1272 struct i40e_dcbx_config *new_cfg); 1273 int i40e_hw_dcb_config(struct i40e_pf *pf, struct i40e_dcbx_config *new_cfg); 1274 int i40e_dcb_sw_default_config(struct i40e_pf *pf); 1275 #endif /* CONFIG_I40E_DCB */ 1276 void i40e_ptp_rx_hang(struct i40e_pf *pf); 1277 void i40e_ptp_tx_hang(struct i40e_pf *pf); 1278 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 1279 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 1280 void i40e_ptp_set_increment(struct i40e_pf *pf); 1281 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 1282 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 1283 void i40e_ptp_save_hw_time(struct i40e_pf *pf); 1284 void i40e_ptp_restore_hw_time(struct i40e_pf *pf); 1285 void i40e_ptp_init(struct i40e_pf *pf); 1286 void i40e_ptp_stop(struct i40e_pf *pf); 1287 int i40e_ptp_alloc_pins(struct i40e_pf *pf); 1288 int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset); 1289 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 1290 int i40e_get_partition_bw_setting(struct i40e_pf *pf); 1291 int i40e_set_partition_bw_setting(struct i40e_pf *pf); 1292 int i40e_commit_partition_bw_setting(struct i40e_pf *pf); 1293 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); 1294 1295 void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags); 1296 1297 static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi) 1298 { 1299 return !!READ_ONCE(vsi->xdp_prog); 1300 } 1301 1302 int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch); 1303 int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate); 1304 int i40e_add_del_cloud_filter(struct i40e_vsi *vsi, 1305 struct i40e_cloud_filter *filter, 1306 bool add); 1307 int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi, 1308 struct i40e_cloud_filter *filter, 1309 bool add); 1310 1311 /** 1312 * i40e_is_tc_mqprio_enabled - check if TC MQPRIO is enabled on PF 1313 * @pf: pointer to a pf. 1314 * 1315 * Check and return value of flag I40E_FLAG_TC_MQPRIO. 1316 * 1317 * Return: I40E_FLAG_TC_MQPRIO set state. 1318 **/ 1319 static inline u32 i40e_is_tc_mqprio_enabled(struct i40e_pf *pf) 1320 { 1321 return pf->flags & I40E_FLAG_TC_MQPRIO; 1322 } 1323 1324 #endif /* _I40E_H_ */ 1325