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_PF_COUNT 186 }; 187 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 188 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 189 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 190 #define I40E_FD_SB_STAT_IDX(pf_id) \ 191 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 192 193 struct i40e_fdir_filter { 194 struct hlist_node fdir_node; 195 /* filter ipnut set */ 196 u8 flow_type; 197 u8 ip4_proto; 198 /* TX packet view of src and dst */ 199 __be32 dst_ip[4]; 200 __be32 src_ip[4]; 201 __be16 src_port; 202 __be16 dst_port; 203 __be32 sctp_v_tag; 204 /* filter control */ 205 u16 q_index; 206 u8 flex_off; 207 u8 pctype; 208 u16 dest_vsi; 209 u8 dest_ctl; 210 u8 fd_status; 211 u16 cnt_index; 212 u32 fd_id; 213 }; 214 215 #define I40E_ETH_P_LLDP 0x88cc 216 217 #define I40E_DCB_PRIO_TYPE_STRICT 0 218 #define I40E_DCB_PRIO_TYPE_ETS 1 219 #define I40E_DCB_STRICT_PRIO_CREDITS 127 220 #define I40E_MAX_USER_PRIORITY 8 221 /* DCB per TC information data structure */ 222 struct i40e_tc_info { 223 u16 qoffset; /* Queue offset from base queue */ 224 u16 qcount; /* Total Queues */ 225 u8 netdev_tc; /* Netdev TC index if netdev associated */ 226 }; 227 228 /* TC configuration data structure */ 229 struct i40e_tc_configuration { 230 u8 numtc; /* Total number of enabled TCs */ 231 u8 enabled_tc; /* TC map */ 232 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 233 }; 234 235 /* struct that defines the Ethernet device */ 236 struct i40e_pf { 237 struct pci_dev *pdev; 238 struct i40e_hw hw; 239 unsigned long state; 240 unsigned long link_check_timeout; 241 struct msix_entry *msix_entries; 242 bool fc_autoneg_status; 243 244 u16 eeprom_version; 245 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 246 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 247 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 248 u16 num_req_vfs; /* num VFs requested for this VF */ 249 u16 num_vf_qps; /* num queue pairs per VF */ 250 #ifdef I40E_FCOE 251 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */ 252 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 253 #endif /* I40E_FCOE */ 254 u16 num_lan_qps; /* num lan queues this PF has set up */ 255 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 256 int queues_left; /* queues left unclaimed */ 257 u16 rss_size; /* num queues in the RSS array */ 258 u16 rss_size_max; /* HW defined max RSS queues */ 259 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 260 u16 num_alloc_vsi; /* num VSIs this driver supports */ 261 u8 atr_sample_rate; 262 bool wol_en; 263 264 struct hlist_head fdir_filter_list; 265 u16 fdir_pf_active_filters; 266 u16 fd_sb_cnt_idx; 267 u16 fd_atr_cnt_idx; 268 unsigned long fd_flush_timestamp; 269 u32 fd_flush_cnt; 270 u32 fd_add_err; 271 u32 fd_atr_cnt; 272 u32 fd_tcp_rule; 273 274 #ifdef CONFIG_I40E_VXLAN 275 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 276 u16 pending_vxlan_bitmap; 277 278 #endif 279 enum i40e_interrupt_policy int_policy; 280 u16 rx_itr_default; 281 u16 tx_itr_default; 282 u32 msg_enable; 283 char int_name[I40E_INT_NAME_STR_LEN]; 284 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 285 unsigned long service_timer_period; 286 unsigned long service_timer_previous; 287 struct timer_list service_timer; 288 struct work_struct service_task; 289 290 u64 flags; 291 #define I40E_FLAG_RX_CSUM_ENABLED (u64)(1 << 1) 292 #define I40E_FLAG_MSI_ENABLED (u64)(1 << 2) 293 #define I40E_FLAG_MSIX_ENABLED (u64)(1 << 3) 294 #define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4) 295 #define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5) 296 #define I40E_FLAG_RSS_ENABLED (u64)(1 << 6) 297 #define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7) 298 #define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8) 299 #define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9) 300 #ifdef I40E_FCOE 301 #define I40E_FLAG_FCOE_ENABLED (u64)(1 << 11) 302 #endif /* I40E_FCOE */ 303 #define I40E_FLAG_IN_NETPOLL (u64)(1 << 12) 304 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13) 305 #define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14) 306 #define I40E_FLAG_FILTER_SYNC (u64)(1 << 15) 307 #define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17) 308 #define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18) 309 #define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19) 310 #define I40E_FLAG_DCB_ENABLED (u64)(1 << 20) 311 #define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21) 312 #define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22) 313 #define I40E_FLAG_PTP (u64)(1 << 25) 314 #define I40E_FLAG_MFP_ENABLED (u64)(1 << 26) 315 #ifdef CONFIG_I40E_VXLAN 316 #define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27) 317 #endif 318 #define I40E_FLAG_PORT_ID_VALID (u64)(1 << 28) 319 #define I40E_FLAG_DCB_CAPABLE (u64)(1 << 29) 320 321 /* tracks features that get auto disabled by errors */ 322 u64 auto_disable_flags; 323 324 #ifdef I40E_FCOE 325 struct i40e_fcoe fcoe; 326 327 #endif /* I40E_FCOE */ 328 bool stat_offsets_loaded; 329 struct i40e_hw_port_stats stats; 330 struct i40e_hw_port_stats stats_offsets; 331 u32 tx_timeout_count; 332 u32 tx_timeout_recovery_level; 333 unsigned long tx_timeout_last_recovery; 334 u32 tx_sluggish_count; 335 u32 hw_csum_rx_error; 336 u32 led_status; 337 u16 corer_count; /* Core reset count */ 338 u16 globr_count; /* Global reset count */ 339 u16 empr_count; /* EMP reset count */ 340 u16 pfr_count; /* PF reset count */ 341 u16 sw_int_count; /* SW interrupt count */ 342 343 struct mutex switch_mutex; 344 u16 lan_vsi; /* our default LAN VSI */ 345 u16 lan_veb; /* initial relay, if exists */ 346 #define I40E_NO_VEB 0xffff 347 #define I40E_NO_VSI 0xffff 348 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 349 struct i40e_vsi **vsi; 350 struct i40e_veb *veb[I40E_MAX_VEB]; 351 352 struct i40e_lump_tracking *qp_pile; 353 struct i40e_lump_tracking *irq_pile; 354 355 /* switch config info */ 356 u16 pf_seid; 357 u16 main_vsi_seid; 358 u16 mac_seid; 359 struct kobject *switch_kobj; 360 #ifdef CONFIG_DEBUG_FS 361 struct dentry *i40e_dbg_pf; 362 #endif /* CONFIG_DEBUG_FS */ 363 364 u16 instance; /* A unique number per i40e_pf instance in the system */ 365 366 /* sr-iov config info */ 367 struct i40e_vf *vf; 368 int num_alloc_vfs; /* actual number of VFs allocated */ 369 u32 vf_aq_requests; 370 371 /* DCBx/DCBNL capability for PF that indicates 372 * whether DCBx is managed by firmware or host 373 * based agent (LLDPAD). Also, indicates what 374 * flavor of DCBx protocol (IEEE/CEE) is supported 375 * by the device. For now we're supporting IEEE 376 * mode only. 377 */ 378 u16 dcbx_cap; 379 380 u32 fcoe_hmc_filt_num; 381 u32 fcoe_hmc_cntx_num; 382 struct i40e_filter_control_settings filter_settings; 383 384 struct ptp_clock *ptp_clock; 385 struct ptp_clock_info ptp_caps; 386 struct sk_buff *ptp_tx_skb; 387 struct hwtstamp_config tstamp_config; 388 unsigned long last_rx_ptp_check; 389 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 390 u64 ptp_base_adj; 391 u32 tx_hwtstamp_timeouts; 392 u32 rx_hwtstamp_cleared; 393 bool ptp_tx; 394 bool ptp_rx; 395 u16 rss_table_size; 396 /* These are only valid in NPAR modes */ 397 u32 npar_max_bw; 398 u32 npar_min_bw; 399 }; 400 401 struct i40e_mac_filter { 402 struct list_head list; 403 u8 macaddr[ETH_ALEN]; 404 #define I40E_VLAN_ANY -1 405 s16 vlan; 406 u8 counter; /* number of instances of this filter */ 407 bool is_vf; /* filter belongs to a VF */ 408 bool is_netdev; /* filter belongs to a netdev */ 409 bool changed; /* filter needs to be sync'd to the HW */ 410 bool is_laa; /* filter is a Locally Administered Address */ 411 }; 412 413 struct i40e_veb { 414 struct i40e_pf *pf; 415 u16 idx; 416 u16 veb_idx; /* index of VEB parent */ 417 u16 seid; 418 u16 uplink_seid; 419 u16 stats_idx; /* index of VEB parent */ 420 u8 enabled_tc; 421 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 422 u16 flags; 423 u16 bw_limit; 424 u8 bw_max_quanta; 425 bool is_abs_credits; 426 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 427 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 428 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 429 struct kobject *kobj; 430 bool stat_offsets_loaded; 431 struct i40e_eth_stats stats; 432 struct i40e_eth_stats stats_offsets; 433 }; 434 435 /* struct that defines a VSI, associated with a dev */ 436 struct i40e_vsi { 437 struct net_device *netdev; 438 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 439 bool netdev_registered; 440 bool stat_offsets_loaded; 441 442 u32 current_netdev_flags; 443 unsigned long state; 444 #define I40E_VSI_FLAG_FILTER_CHANGED (1<<0) 445 #define I40E_VSI_FLAG_VEB_OWNER (1<<1) 446 unsigned long flags; 447 448 struct list_head mac_filter_list; 449 450 /* VSI stats */ 451 struct rtnl_link_stats64 net_stats; 452 struct rtnl_link_stats64 net_stats_offsets; 453 struct i40e_eth_stats eth_stats; 454 struct i40e_eth_stats eth_stats_offsets; 455 #ifdef I40E_FCOE 456 struct i40e_fcoe_stats fcoe_stats; 457 struct i40e_fcoe_stats fcoe_stats_offsets; 458 bool fcoe_stat_offsets_loaded; 459 #endif 460 u32 tx_restart; 461 u32 tx_busy; 462 u32 rx_buf_failed; 463 u32 rx_page_failed; 464 465 /* These are containers of ring pointers, allocated at run-time */ 466 struct i40e_ring **rx_rings; 467 struct i40e_ring **tx_rings; 468 469 u16 work_limit; 470 /* high bit set means dynamic, use accessor routines to read/write. 471 * hardware only supports 2us resolution for the ITR registers. 472 * these values always store the USER setting, and must be converted 473 * before programming to a register. 474 */ 475 u16 rx_itr_setting; 476 u16 tx_itr_setting; 477 478 u16 rss_table_size; 479 u16 rss_size; 480 481 u16 max_frame; 482 u16 rx_hdr_len; 483 u16 rx_buf_len; 484 u8 dtype; 485 486 /* List of q_vectors allocated to this VSI */ 487 struct i40e_q_vector **q_vectors; 488 int num_q_vectors; 489 int base_vector; 490 bool irqs_ready; 491 492 u16 seid; /* HW index of this VSI (absolute index) */ 493 u16 id; /* VSI number */ 494 u16 uplink_seid; 495 496 u16 base_queue; /* vsi's first queue in hw array */ 497 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 498 u16 req_queue_pairs; /* User requested queue pairs */ 499 u16 num_queue_pairs; /* Used tx and rx pairs */ 500 u16 num_desc; 501 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 502 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 503 504 struct i40e_tc_configuration tc_config; 505 struct i40e_aqc_vsi_properties_data info; 506 507 /* VSI BW limit (absolute across all TCs) */ 508 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 509 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 510 511 /* Relative TC credits across VSIs */ 512 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 513 /* TC BW limit credits within VSI */ 514 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 515 /* TC BW limit max quanta within VSI */ 516 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 517 518 struct i40e_pf *back; /* Backreference to associated PF */ 519 u16 idx; /* index in pf->vsi[] */ 520 u16 veb_idx; /* index of VEB parent */ 521 struct kobject *kobj; /* sysfs object */ 522 523 /* VSI specific handlers */ 524 irqreturn_t (*irq_handler)(int irq, void *data); 525 526 /* current rxnfc data */ 527 struct ethtool_rxnfc rxnfc; /* current rss hash opts */ 528 } ____cacheline_internodealigned_in_smp; 529 530 struct i40e_netdev_priv { 531 struct i40e_vsi *vsi; 532 }; 533 534 /* struct that defines an interrupt vector */ 535 struct i40e_q_vector { 536 struct i40e_vsi *vsi; 537 538 u16 v_idx; /* index in the vsi->q_vector array. */ 539 u16 reg_idx; /* register index of the interrupt */ 540 541 struct napi_struct napi; 542 543 struct i40e_ring_container rx; 544 struct i40e_ring_container tx; 545 546 u8 num_ringpairs; /* total number of ring pairs in vector */ 547 548 cpumask_t affinity_mask; 549 struct rcu_head rcu; /* to avoid race with update stats on free */ 550 char name[I40E_INT_NAME_STR_LEN]; 551 } ____cacheline_internodealigned_in_smp; 552 553 /* lan device */ 554 struct i40e_device { 555 struct list_head list; 556 struct i40e_pf *pf; 557 }; 558 559 /** 560 * i40e_fw_version_str - format the FW and NVM version strings 561 * @hw: ptr to the hardware info 562 **/ 563 static inline char *i40e_fw_version_str(struct i40e_hw *hw) 564 { 565 static char buf[32]; 566 567 snprintf(buf, sizeof(buf), 568 "f%d.%d.%05d a%d.%d n%x.%02x e%x", 569 hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.fw_build, 570 hw->aq.api_maj_ver, hw->aq.api_min_ver, 571 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 572 I40E_NVM_VERSION_HI_SHIFT, 573 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 574 I40E_NVM_VERSION_LO_SHIFT, 575 (hw->nvm.eetrack & 0xffffff)); 576 577 return buf; 578 } 579 580 /** 581 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 582 * @netdev: the corresponding netdev 583 * 584 * Return the PF struct for the given netdev 585 **/ 586 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 587 { 588 struct i40e_netdev_priv *np = netdev_priv(netdev); 589 struct i40e_vsi *vsi = np->vsi; 590 591 return vsi->back; 592 } 593 594 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 595 irqreturn_t (*irq_handler)(int, void *)) 596 { 597 vsi->irq_handler = irq_handler; 598 } 599 600 /** 601 * i40e_rx_is_programming_status - check for programming status descriptor 602 * @qw: the first quad word of the program status descriptor 603 * 604 * The value of in the descriptor length field indicate if this 605 * is a programming status descriptor for flow director or FCoE 606 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 607 * it is a packet descriptor. 608 **/ 609 static inline bool i40e_rx_is_programming_status(u64 qw) 610 { 611 return I40E_RX_PROG_STATUS_DESC_LENGTH == 612 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 613 } 614 615 /** 616 * i40e_get_fd_cnt_all - get the total FD filter space available 617 * @pf: pointer to the PF struct 618 **/ 619 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 620 { 621 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 622 } 623 624 /* needed by i40e_ethtool.c */ 625 int i40e_up(struct i40e_vsi *vsi); 626 void i40e_down(struct i40e_vsi *vsi); 627 extern const char i40e_driver_name[]; 628 extern const char i40e_driver_version_str[]; 629 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 630 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 631 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 632 void i40e_update_stats(struct i40e_vsi *vsi); 633 void i40e_update_eth_stats(struct i40e_vsi *vsi); 634 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 635 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 636 bool printconfig); 637 638 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 639 struct i40e_pf *pf, bool add); 640 int i40e_add_del_fdir(struct i40e_vsi *vsi, 641 struct i40e_fdir_filter *input, bool add); 642 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 643 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 644 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 645 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 646 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 647 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 648 void i40e_set_ethtool_ops(struct net_device *netdev); 649 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 650 u8 *macaddr, s16 vlan, 651 bool is_vf, bool is_netdev); 652 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 653 bool is_vf, bool is_netdev); 654 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 655 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 656 u16 uplink, u32 param1); 657 int i40e_vsi_release(struct i40e_vsi *vsi); 658 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 659 struct i40e_vsi *start_vsi); 660 #ifdef I40E_FCOE 661 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 662 struct i40e_vsi_context *ctxt, 663 u8 enabled_tc, bool is_add); 664 #endif 665 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 666 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 667 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 668 u16 downlink_seid, u8 enabled_tc); 669 void i40e_veb_release(struct i40e_veb *veb); 670 671 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 672 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 673 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 674 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 675 void i40e_pf_reset_stats(struct i40e_pf *pf); 676 #ifdef CONFIG_DEBUG_FS 677 void i40e_dbg_pf_init(struct i40e_pf *pf); 678 void i40e_dbg_pf_exit(struct i40e_pf *pf); 679 void i40e_dbg_init(void); 680 void i40e_dbg_exit(void); 681 #else 682 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 683 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 684 static inline void i40e_dbg_init(void) {} 685 static inline void i40e_dbg_exit(void) {} 686 #endif /* CONFIG_DEBUG_FS*/ 687 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); 688 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 689 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 690 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 691 #ifdef I40E_FCOE 692 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 693 struct net_device *netdev, 694 struct rtnl_link_stats64 *storage); 695 int i40e_set_mac(struct net_device *netdev, void *p); 696 void i40e_set_rx_mode(struct net_device *netdev); 697 #endif 698 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 699 #ifdef I40E_FCOE 700 void i40e_tx_timeout(struct net_device *netdev); 701 int i40e_vlan_rx_add_vid(struct net_device *netdev, 702 __always_unused __be16 proto, u16 vid); 703 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 704 __always_unused __be16 proto, u16 vid); 705 #endif 706 int i40e_open(struct net_device *netdev); 707 int i40e_vsi_open(struct i40e_vsi *vsi); 708 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 709 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 710 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 711 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 712 bool is_vf, bool is_netdev); 713 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 714 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 715 bool is_vf, bool is_netdev); 716 #ifdef I40E_FCOE 717 int i40e_close(struct net_device *netdev); 718 int i40e_setup_tc(struct net_device *netdev, u8 tc); 719 void i40e_netpoll(struct net_device *netdev); 720 int i40e_fcoe_enable(struct net_device *netdev); 721 int i40e_fcoe_disable(struct net_device *netdev); 722 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 723 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 724 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 725 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 726 int i40e_init_pf_fcoe(struct i40e_pf *pf); 727 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 728 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 729 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 730 union i40e_rx_desc *rx_desc, 731 struct sk_buff *skb); 732 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 733 union i40e_rx_desc *rx_desc, u8 prog_id); 734 #endif /* I40E_FCOE */ 735 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 736 #ifdef CONFIG_I40E_DCB 737 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 738 struct i40e_dcbx_config *old_cfg, 739 struct i40e_dcbx_config *new_cfg); 740 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 741 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 742 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 743 struct i40e_dcbx_config *old_cfg, 744 struct i40e_dcbx_config *new_cfg); 745 #endif /* CONFIG_I40E_DCB */ 746 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 747 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 748 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 749 void i40e_ptp_set_increment(struct i40e_pf *pf); 750 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 751 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 752 void i40e_ptp_init(struct i40e_pf *pf); 753 void i40e_ptp_stop(struct i40e_pf *pf); 754 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 755 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); 756 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); 757 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); 758 #endif /* _I40E_H_ */ 759