1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2015 Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 * The full GNU General Public License is included in this distribution in 19 * the file called "COPYING". 20 * 21 * Contact Information: 22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 ******************************************************************************/ 26 27 #ifndef _I40E_H_ 28 #define _I40E_H_ 29 30 #include <net/tcp.h> 31 #include <net/udp.h> 32 #include <linux/types.h> 33 #include <linux/errno.h> 34 #include <linux/module.h> 35 #include <linux/pci.h> 36 #include <linux/aer.h> 37 #include <linux/netdevice.h> 38 #include <linux/ioport.h> 39 #include <linux/iommu.h> 40 #include <linux/slab.h> 41 #include <linux/list.h> 42 #include <linux/string.h> 43 #include <linux/in.h> 44 #include <linux/ip.h> 45 #include <linux/tcp.h> 46 #include <linux/sctp.h> 47 #include <linux/pkt_sched.h> 48 #include <linux/ipv6.h> 49 #include <net/checksum.h> 50 #include <net/ip6_checksum.h> 51 #include <linux/ethtool.h> 52 #include <linux/if_vlan.h> 53 #include <linux/if_bridge.h> 54 #include <linux/clocksource.h> 55 #include <linux/net_tstamp.h> 56 #include <linux/ptp_clock_kernel.h> 57 #include "i40e_type.h" 58 #include "i40e_prototype.h" 59 #ifdef I40E_FCOE 60 #include "i40e_fcoe.h" 61 #endif 62 #include "i40e_virtchnl.h" 63 #include "i40e_virtchnl_pf.h" 64 #include "i40e_txrx.h" 65 #include "i40e_dcb.h" 66 67 /* Useful i40e defaults */ 68 #define I40E_BASE_PF_SEID 16 69 #define I40E_BASE_VSI_SEID 512 70 #define I40E_BASE_VEB_SEID 288 71 #define I40E_MAX_VEB 16 72 73 #define I40E_MAX_NUM_DESCRIPTORS 4096 74 #define I40E_MAX_REGISTER 0x800000 75 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) 76 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 77 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 78 #define I40E_MIN_NUM_DESCRIPTORS 64 79 #define I40E_MIN_MSIX 2 80 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ 81 #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */ 82 #define I40E_DEFAULT_QUEUES_PER_VMDQ 2 /* max 16 qps */ 83 #define I40E_DEFAULT_QUEUES_PER_VF 4 84 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ 85 #define I40E_MAX_QUEUES_PER_TC 64 /* should be a power of 2 */ 86 #define I40E_FDIR_RING 0 87 #define I40E_FDIR_RING_COUNT 32 88 #ifdef I40E_FCOE 89 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */ 90 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */ 91 #endif /* I40E_FCOE */ 92 #define I40E_MAX_AQ_BUF_SIZE 4096 93 #define I40E_AQ_LEN 256 94 #define I40E_AQ_WORK_LIMIT 32 95 #define I40E_MAX_USER_PRIORITY 8 96 #define I40E_DEFAULT_MSG_ENABLE 4 97 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 98 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 9) 99 100 /* Ethtool Private Flags */ 101 #define I40E_PRIV_FLAGS_NPAR_FLAG (1 << 0) 102 103 #define I40E_NVM_VERSION_LO_SHIFT 0 104 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 105 #define I40E_NVM_VERSION_HI_SHIFT 12 106 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 107 108 /* The values in here are decimal coded as hex as is the case in the NVM map*/ 109 #define I40E_CURRENT_NVM_VERSION_HI 0x2 110 #define I40E_CURRENT_NVM_VERSION_LO 0x40 111 112 /* magic for getting defines into strings */ 113 #define STRINGIFY(foo) #foo 114 #define XSTRINGIFY(bar) STRINGIFY(bar) 115 116 #define I40E_RX_DESC(R, i) \ 117 ((ring_is_16byte_desc_enabled(R)) \ 118 ? (union i40e_32byte_rx_desc *) \ 119 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \ 120 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))) 121 #define I40E_TX_DESC(R, i) \ 122 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 123 #define I40E_TX_CTXTDESC(R, i) \ 124 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 125 #define I40E_TX_FDIRDESC(R, i) \ 126 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 127 128 /* default to trying for four seconds */ 129 #define I40E_TRY_LINK_TIMEOUT (4 * HZ) 130 131 /* driver state flags */ 132 enum i40e_state_t { 133 __I40E_TESTING, 134 __I40E_CONFIG_BUSY, 135 __I40E_CONFIG_DONE, 136 __I40E_DOWN, 137 __I40E_NEEDS_RESTART, 138 __I40E_SERVICE_SCHED, 139 __I40E_ADMINQ_EVENT_PENDING, 140 __I40E_MDD_EVENT_PENDING, 141 __I40E_VFLR_EVENT_PENDING, 142 __I40E_RESET_RECOVERY_PENDING, 143 __I40E_RESET_INTR_RECEIVED, 144 __I40E_REINIT_REQUESTED, 145 __I40E_PF_RESET_REQUESTED, 146 __I40E_CORE_RESET_REQUESTED, 147 __I40E_GLOBAL_RESET_REQUESTED, 148 __I40E_EMP_RESET_REQUESTED, 149 __I40E_EMP_RESET_INTR_RECEIVED, 150 __I40E_FILTER_OVERFLOW_PROMISC, 151 __I40E_SUSPENDED, 152 __I40E_PTP_TX_IN_PROGRESS, 153 __I40E_BAD_EEPROM, 154 __I40E_DOWN_REQUESTED, 155 __I40E_FD_FLUSH_REQUESTED, 156 __I40E_RESET_FAILED, 157 __I40E_PORT_TX_SUSPENDED, 158 __I40E_VF_DISABLE, 159 }; 160 161 enum i40e_interrupt_policy { 162 I40E_INTERRUPT_BEST_CASE, 163 I40E_INTERRUPT_MEDIUM, 164 I40E_INTERRUPT_LOWEST 165 }; 166 167 struct i40e_lump_tracking { 168 u16 num_entries; 169 u16 search_hint; 170 u16 list[0]; 171 #define I40E_PILE_VALID_BIT 0x8000 172 }; 173 174 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 175 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 176 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 177 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 178 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) 179 180 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) 181 182 enum i40e_fd_stat_idx { 183 I40E_FD_STAT_ATR, 184 I40E_FD_STAT_SB, 185 I40E_FD_STAT_ATR_TUNNEL, 186 I40E_FD_STAT_PF_COUNT 187 }; 188 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 189 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 190 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 191 #define I40E_FD_SB_STAT_IDX(pf_id) \ 192 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 193 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ 194 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) 195 196 struct i40e_fdir_filter { 197 struct hlist_node fdir_node; 198 /* filter ipnut set */ 199 u8 flow_type; 200 u8 ip4_proto; 201 /* TX packet view of src and dst */ 202 __be32 dst_ip[4]; 203 __be32 src_ip[4]; 204 __be16 src_port; 205 __be16 dst_port; 206 __be32 sctp_v_tag; 207 /* filter control */ 208 u16 q_index; 209 u8 flex_off; 210 u8 pctype; 211 u16 dest_vsi; 212 u8 dest_ctl; 213 u8 fd_status; 214 u16 cnt_index; 215 u32 fd_id; 216 }; 217 218 #define I40E_ETH_P_LLDP 0x88cc 219 220 #define I40E_DCB_PRIO_TYPE_STRICT 0 221 #define I40E_DCB_PRIO_TYPE_ETS 1 222 #define I40E_DCB_STRICT_PRIO_CREDITS 127 223 #define I40E_MAX_USER_PRIORITY 8 224 /* DCB per TC information data structure */ 225 struct i40e_tc_info { 226 u16 qoffset; /* Queue offset from base queue */ 227 u16 qcount; /* Total Queues */ 228 u8 netdev_tc; /* Netdev TC index if netdev associated */ 229 }; 230 231 /* TC configuration data structure */ 232 struct i40e_tc_configuration { 233 u8 numtc; /* Total number of enabled TCs */ 234 u8 enabled_tc; /* TC map */ 235 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 236 }; 237 238 /* struct that defines the Ethernet device */ 239 struct i40e_pf { 240 struct pci_dev *pdev; 241 struct i40e_hw hw; 242 unsigned long state; 243 unsigned long link_check_timeout; 244 struct msix_entry *msix_entries; 245 bool fc_autoneg_status; 246 247 u16 eeprom_version; 248 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 249 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 250 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 251 u16 num_req_vfs; /* num VFs requested for this VF */ 252 u16 num_vf_qps; /* num queue pairs per VF */ 253 #ifdef I40E_FCOE 254 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */ 255 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 256 #endif /* I40E_FCOE */ 257 u16 num_lan_qps; /* num lan queues this PF has set up */ 258 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 259 int queues_left; /* queues left unclaimed */ 260 u16 rss_size; /* num queues in the RSS array */ 261 u16 rss_size_max; /* HW defined max RSS queues */ 262 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 263 u16 num_alloc_vsi; /* num VSIs this driver supports */ 264 u8 atr_sample_rate; 265 bool wol_en; 266 267 struct hlist_head fdir_filter_list; 268 u16 fdir_pf_active_filters; 269 unsigned long fd_flush_timestamp; 270 u32 fd_flush_cnt; 271 u32 fd_add_err; 272 u32 fd_atr_cnt; 273 u32 fd_tcp_rule; 274 275 #ifdef CONFIG_I40E_VXLAN 276 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 277 u16 pending_vxlan_bitmap; 278 279 #endif 280 enum i40e_interrupt_policy int_policy; 281 u16 rx_itr_default; 282 u16 tx_itr_default; 283 u32 msg_enable; 284 char int_name[I40E_INT_NAME_STR_LEN]; 285 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 286 unsigned long service_timer_period; 287 unsigned long service_timer_previous; 288 struct timer_list service_timer; 289 struct work_struct service_task; 290 291 u64 flags; 292 #define I40E_FLAG_RX_CSUM_ENABLED (u64)(1 << 1) 293 #define I40E_FLAG_MSI_ENABLED (u64)(1 << 2) 294 #define I40E_FLAG_MSIX_ENABLED (u64)(1 << 3) 295 #define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4) 296 #define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5) 297 #define I40E_FLAG_RSS_ENABLED (u64)(1 << 6) 298 #define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7) 299 #define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8) 300 #define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9) 301 #ifdef I40E_FCOE 302 #define I40E_FLAG_FCOE_ENABLED (u64)(1 << 11) 303 #endif /* I40E_FCOE */ 304 #define I40E_FLAG_IN_NETPOLL (u64)(1 << 12) 305 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13) 306 #define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14) 307 #define I40E_FLAG_FILTER_SYNC (u64)(1 << 15) 308 #define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17) 309 #define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18) 310 #define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19) 311 #define I40E_FLAG_DCB_ENABLED (u64)(1 << 20) 312 #define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21) 313 #define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22) 314 #define I40E_FLAG_PTP (u64)(1 << 25) 315 #define I40E_FLAG_MFP_ENABLED (u64)(1 << 26) 316 #ifdef CONFIG_I40E_VXLAN 317 #define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27) 318 #endif 319 #define I40E_FLAG_PORT_ID_VALID (u64)(1 << 28) 320 #define I40E_FLAG_DCB_CAPABLE (u64)(1 << 29) 321 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) 322 323 /* tracks features that get auto disabled by errors */ 324 u64 auto_disable_flags; 325 326 #ifdef I40E_FCOE 327 struct i40e_fcoe fcoe; 328 329 #endif /* I40E_FCOE */ 330 bool stat_offsets_loaded; 331 struct i40e_hw_port_stats stats; 332 struct i40e_hw_port_stats stats_offsets; 333 u32 tx_timeout_count; 334 u32 tx_timeout_recovery_level; 335 unsigned long tx_timeout_last_recovery; 336 u32 tx_sluggish_count; 337 u32 hw_csum_rx_error; 338 u32 led_status; 339 u16 corer_count; /* Core reset count */ 340 u16 globr_count; /* Global reset count */ 341 u16 empr_count; /* EMP reset count */ 342 u16 pfr_count; /* PF reset count */ 343 u16 sw_int_count; /* SW interrupt count */ 344 345 struct mutex switch_mutex; 346 u16 lan_vsi; /* our default LAN VSI */ 347 u16 lan_veb; /* initial relay, if exists */ 348 #define I40E_NO_VEB 0xffff 349 #define I40E_NO_VSI 0xffff 350 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 351 struct i40e_vsi **vsi; 352 struct i40e_veb *veb[I40E_MAX_VEB]; 353 354 struct i40e_lump_tracking *qp_pile; 355 struct i40e_lump_tracking *irq_pile; 356 357 /* switch config info */ 358 u16 pf_seid; 359 u16 main_vsi_seid; 360 u16 mac_seid; 361 struct kobject *switch_kobj; 362 #ifdef CONFIG_DEBUG_FS 363 struct dentry *i40e_dbg_pf; 364 #endif /* CONFIG_DEBUG_FS */ 365 366 u16 instance; /* A unique number per i40e_pf instance in the system */ 367 368 /* sr-iov config info */ 369 struct i40e_vf *vf; 370 int num_alloc_vfs; /* actual number of VFs allocated */ 371 u32 vf_aq_requests; 372 373 /* DCBx/DCBNL capability for PF that indicates 374 * whether DCBx is managed by firmware or host 375 * based agent (LLDPAD). Also, indicates what 376 * flavor of DCBx protocol (IEEE/CEE) is supported 377 * by the device. For now we're supporting IEEE 378 * mode only. 379 */ 380 u16 dcbx_cap; 381 382 u32 fcoe_hmc_filt_num; 383 u32 fcoe_hmc_cntx_num; 384 struct i40e_filter_control_settings filter_settings; 385 386 struct ptp_clock *ptp_clock; 387 struct ptp_clock_info ptp_caps; 388 struct sk_buff *ptp_tx_skb; 389 struct hwtstamp_config tstamp_config; 390 unsigned long last_rx_ptp_check; 391 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 392 u64 ptp_base_adj; 393 u32 tx_hwtstamp_timeouts; 394 u32 rx_hwtstamp_cleared; 395 bool ptp_tx; 396 bool ptp_rx; 397 u16 rss_table_size; 398 /* These are only valid in NPAR modes */ 399 u32 npar_max_bw; 400 u32 npar_min_bw; 401 }; 402 403 struct i40e_mac_filter { 404 struct list_head list; 405 u8 macaddr[ETH_ALEN]; 406 #define I40E_VLAN_ANY -1 407 s16 vlan; 408 u8 counter; /* number of instances of this filter */ 409 bool is_vf; /* filter belongs to a VF */ 410 bool is_netdev; /* filter belongs to a netdev */ 411 bool changed; /* filter needs to be sync'd to the HW */ 412 bool is_laa; /* filter is a Locally Administered Address */ 413 }; 414 415 struct i40e_veb { 416 struct i40e_pf *pf; 417 u16 idx; 418 u16 veb_idx; /* index of VEB parent */ 419 u16 seid; 420 u16 uplink_seid; 421 u16 stats_idx; /* index of VEB parent */ 422 u8 enabled_tc; 423 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 424 u16 flags; 425 u16 bw_limit; 426 u8 bw_max_quanta; 427 bool is_abs_credits; 428 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 429 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 430 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 431 struct kobject *kobj; 432 bool stat_offsets_loaded; 433 struct i40e_eth_stats stats; 434 struct i40e_eth_stats stats_offsets; 435 }; 436 437 /* struct that defines a VSI, associated with a dev */ 438 struct i40e_vsi { 439 struct net_device *netdev; 440 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 441 bool netdev_registered; 442 bool stat_offsets_loaded; 443 444 u32 current_netdev_flags; 445 unsigned long state; 446 #define I40E_VSI_FLAG_FILTER_CHANGED (1<<0) 447 #define I40E_VSI_FLAG_VEB_OWNER (1<<1) 448 unsigned long flags; 449 450 struct list_head mac_filter_list; 451 452 /* VSI stats */ 453 struct rtnl_link_stats64 net_stats; 454 struct rtnl_link_stats64 net_stats_offsets; 455 struct i40e_eth_stats eth_stats; 456 struct i40e_eth_stats eth_stats_offsets; 457 #ifdef I40E_FCOE 458 struct i40e_fcoe_stats fcoe_stats; 459 struct i40e_fcoe_stats fcoe_stats_offsets; 460 bool fcoe_stat_offsets_loaded; 461 #endif 462 u32 tx_restart; 463 u32 tx_busy; 464 u32 rx_buf_failed; 465 u32 rx_page_failed; 466 467 /* These are containers of ring pointers, allocated at run-time */ 468 struct i40e_ring **rx_rings; 469 struct i40e_ring **tx_rings; 470 471 u16 work_limit; 472 /* high bit set means dynamic, use accessor routines to read/write. 473 * hardware only supports 2us resolution for the ITR registers. 474 * these values always store the USER setting, and must be converted 475 * before programming to a register. 476 */ 477 u16 rx_itr_setting; 478 u16 tx_itr_setting; 479 480 u16 rss_table_size; 481 u16 rss_size; 482 483 u16 max_frame; 484 u16 rx_hdr_len; 485 u16 rx_buf_len; 486 u8 dtype; 487 488 /* List of q_vectors allocated to this VSI */ 489 struct i40e_q_vector **q_vectors; 490 int num_q_vectors; 491 int base_vector; 492 bool irqs_ready; 493 494 u16 seid; /* HW index of this VSI (absolute index) */ 495 u16 id; /* VSI number */ 496 u16 uplink_seid; 497 498 u16 base_queue; /* vsi's first queue in hw array */ 499 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 500 u16 req_queue_pairs; /* User requested queue pairs */ 501 u16 num_queue_pairs; /* Used tx and rx pairs */ 502 u16 num_desc; 503 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 504 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 505 506 struct i40e_tc_configuration tc_config; 507 struct i40e_aqc_vsi_properties_data info; 508 509 /* VSI BW limit (absolute across all TCs) */ 510 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 511 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 512 513 /* Relative TC credits across VSIs */ 514 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 515 /* TC BW limit credits within VSI */ 516 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 517 /* TC BW limit max quanta within VSI */ 518 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 519 520 struct i40e_pf *back; /* Backreference to associated PF */ 521 u16 idx; /* index in pf->vsi[] */ 522 u16 veb_idx; /* index of VEB parent */ 523 struct kobject *kobj; /* sysfs object */ 524 525 /* VSI specific handlers */ 526 irqreturn_t (*irq_handler)(int irq, void *data); 527 528 /* current rxnfc data */ 529 struct ethtool_rxnfc rxnfc; /* current rss hash opts */ 530 } ____cacheline_internodealigned_in_smp; 531 532 struct i40e_netdev_priv { 533 struct i40e_vsi *vsi; 534 }; 535 536 /* struct that defines an interrupt vector */ 537 struct i40e_q_vector { 538 struct i40e_vsi *vsi; 539 540 u16 v_idx; /* index in the vsi->q_vector array. */ 541 u16 reg_idx; /* register index of the interrupt */ 542 543 struct napi_struct napi; 544 545 struct i40e_ring_container rx; 546 struct i40e_ring_container tx; 547 548 u8 num_ringpairs; /* total number of ring pairs in vector */ 549 550 cpumask_t affinity_mask; 551 struct rcu_head rcu; /* to avoid race with update stats on free */ 552 char name[I40E_INT_NAME_STR_LEN]; 553 } ____cacheline_internodealigned_in_smp; 554 555 /* lan device */ 556 struct i40e_device { 557 struct list_head list; 558 struct i40e_pf *pf; 559 }; 560 561 /** 562 * i40e_fw_version_str - format the FW and NVM version strings 563 * @hw: ptr to the hardware info 564 **/ 565 static inline char *i40e_fw_version_str(struct i40e_hw *hw) 566 { 567 static char buf[32]; 568 569 snprintf(buf, sizeof(buf), 570 "f%d.%d.%05d a%d.%d n%x.%02x e%x", 571 hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.fw_build, 572 hw->aq.api_maj_ver, hw->aq.api_min_ver, 573 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 574 I40E_NVM_VERSION_HI_SHIFT, 575 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 576 I40E_NVM_VERSION_LO_SHIFT, 577 (hw->nvm.eetrack & 0xffffff)); 578 579 return buf; 580 } 581 582 /** 583 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 584 * @netdev: the corresponding netdev 585 * 586 * Return the PF struct for the given netdev 587 **/ 588 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 589 { 590 struct i40e_netdev_priv *np = netdev_priv(netdev); 591 struct i40e_vsi *vsi = np->vsi; 592 593 return vsi->back; 594 } 595 596 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 597 irqreturn_t (*irq_handler)(int, void *)) 598 { 599 vsi->irq_handler = irq_handler; 600 } 601 602 /** 603 * i40e_rx_is_programming_status - check for programming status descriptor 604 * @qw: the first quad word of the program status descriptor 605 * 606 * The value of in the descriptor length field indicate if this 607 * is a programming status descriptor for flow director or FCoE 608 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 609 * it is a packet descriptor. 610 **/ 611 static inline bool i40e_rx_is_programming_status(u64 qw) 612 { 613 return I40E_RX_PROG_STATUS_DESC_LENGTH == 614 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 615 } 616 617 /** 618 * i40e_get_fd_cnt_all - get the total FD filter space available 619 * @pf: pointer to the PF struct 620 **/ 621 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 622 { 623 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 624 } 625 626 /* needed by i40e_ethtool.c */ 627 int i40e_up(struct i40e_vsi *vsi); 628 void i40e_down(struct i40e_vsi *vsi); 629 extern const char i40e_driver_name[]; 630 extern const char i40e_driver_version_str[]; 631 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 632 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 633 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 634 void i40e_update_stats(struct i40e_vsi *vsi); 635 void i40e_update_eth_stats(struct i40e_vsi *vsi); 636 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 637 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 638 bool printconfig); 639 640 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 641 struct i40e_pf *pf, bool add); 642 int i40e_add_del_fdir(struct i40e_vsi *vsi, 643 struct i40e_fdir_filter *input, bool add); 644 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 645 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 646 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 647 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 648 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 649 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 650 void i40e_set_ethtool_ops(struct net_device *netdev); 651 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 652 u8 *macaddr, s16 vlan, 653 bool is_vf, bool is_netdev); 654 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 655 bool is_vf, bool is_netdev); 656 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 657 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 658 u16 uplink, u32 param1); 659 int i40e_vsi_release(struct i40e_vsi *vsi); 660 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 661 struct i40e_vsi *start_vsi); 662 #ifdef I40E_FCOE 663 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 664 struct i40e_vsi_context *ctxt, 665 u8 enabled_tc, bool is_add); 666 #endif 667 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 668 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 669 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 670 u16 downlink_seid, u8 enabled_tc); 671 void i40e_veb_release(struct i40e_veb *veb); 672 673 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 674 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 675 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 676 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 677 void i40e_pf_reset_stats(struct i40e_pf *pf); 678 #ifdef CONFIG_DEBUG_FS 679 void i40e_dbg_pf_init(struct i40e_pf *pf); 680 void i40e_dbg_pf_exit(struct i40e_pf *pf); 681 void i40e_dbg_init(void); 682 void i40e_dbg_exit(void); 683 #else 684 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 685 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 686 static inline void i40e_dbg_init(void) {} 687 static inline void i40e_dbg_exit(void) {} 688 #endif /* CONFIG_DEBUG_FS*/ 689 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); 690 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 691 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 692 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 693 #ifdef I40E_FCOE 694 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 695 struct net_device *netdev, 696 struct rtnl_link_stats64 *storage); 697 int i40e_set_mac(struct net_device *netdev, void *p); 698 void i40e_set_rx_mode(struct net_device *netdev); 699 #endif 700 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 701 #ifdef I40E_FCOE 702 void i40e_tx_timeout(struct net_device *netdev); 703 int i40e_vlan_rx_add_vid(struct net_device *netdev, 704 __always_unused __be16 proto, u16 vid); 705 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 706 __always_unused __be16 proto, u16 vid); 707 #endif 708 int i40e_open(struct net_device *netdev); 709 int i40e_vsi_open(struct i40e_vsi *vsi); 710 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 711 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 712 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 713 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 714 bool is_vf, bool is_netdev); 715 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 716 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 717 bool is_vf, bool is_netdev); 718 #ifdef I40E_FCOE 719 int i40e_close(struct net_device *netdev); 720 int i40e_setup_tc(struct net_device *netdev, u8 tc); 721 void i40e_netpoll(struct net_device *netdev); 722 int i40e_fcoe_enable(struct net_device *netdev); 723 int i40e_fcoe_disable(struct net_device *netdev); 724 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 725 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 726 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 727 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 728 int i40e_init_pf_fcoe(struct i40e_pf *pf); 729 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 730 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 731 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 732 union i40e_rx_desc *rx_desc, 733 struct sk_buff *skb); 734 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 735 union i40e_rx_desc *rx_desc, u8 prog_id); 736 #endif /* I40E_FCOE */ 737 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 738 #ifdef CONFIG_I40E_DCB 739 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 740 struct i40e_dcbx_config *old_cfg, 741 struct i40e_dcbx_config *new_cfg); 742 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 743 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 744 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 745 struct i40e_dcbx_config *old_cfg, 746 struct i40e_dcbx_config *new_cfg); 747 #endif /* CONFIG_I40E_DCB */ 748 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 749 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 750 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 751 void i40e_ptp_set_increment(struct i40e_pf *pf); 752 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 753 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 754 void i40e_ptp_init(struct i40e_pf *pf); 755 void i40e_ptp_stop(struct i40e_pf *pf); 756 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 757 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); 758 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); 759 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); 760 #endif /* _I40E_H_ */ 761