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 */ 132enum 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 161enum i40e_interrupt_policy { 162 I40E_INTERRUPT_BEST_CASE, 163 I40E_INTERRUPT_MEDIUM, 164 I40E_INTERRUPT_LOWEST 165}; 166 167struct 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 182enum 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 193struct 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 */ 222struct 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 */ 229struct 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 */ 236struct 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#define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) 321 322 /* tracks features that get auto disabled by errors */ 323 u64 auto_disable_flags; 324 325#ifdef I40E_FCOE 326 struct i40e_fcoe fcoe; 327 328#endif /* I40E_FCOE */ 329 bool stat_offsets_loaded; 330 struct i40e_hw_port_stats stats; 331 struct i40e_hw_port_stats stats_offsets; 332 u32 tx_timeout_count; 333 u32 tx_timeout_recovery_level; 334 unsigned long tx_timeout_last_recovery; 335 u32 tx_sluggish_count; 336 u32 hw_csum_rx_error; 337 u32 led_status; 338 u16 corer_count; /* Core reset count */ 339 u16 globr_count; /* Global reset count */ 340 u16 empr_count; /* EMP reset count */ 341 u16 pfr_count; /* PF reset count */ 342 u16 sw_int_count; /* SW interrupt count */ 343 344 struct mutex switch_mutex; 345 u16 lan_vsi; /* our default LAN VSI */ 346 u16 lan_veb; /* initial relay, if exists */ 347#define I40E_NO_VEB 0xffff 348#define I40E_NO_VSI 0xffff 349 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 350 struct i40e_vsi **vsi; 351 struct i40e_veb *veb[I40E_MAX_VEB]; 352 353 struct i40e_lump_tracking *qp_pile; 354 struct i40e_lump_tracking *irq_pile; 355 356 /* switch config info */ 357 u16 pf_seid; 358 u16 main_vsi_seid; 359 u16 mac_seid; 360 struct kobject *switch_kobj; 361#ifdef CONFIG_DEBUG_FS 362 struct dentry *i40e_dbg_pf; 363#endif /* CONFIG_DEBUG_FS */ 364 365 u16 instance; /* A unique number per i40e_pf instance in the system */ 366 367 /* sr-iov config info */ 368 struct i40e_vf *vf; 369 int num_alloc_vfs; /* actual number of VFs allocated */ 370 u32 vf_aq_requests; 371 372 /* DCBx/DCBNL capability for PF that indicates 373 * whether DCBx is managed by firmware or host 374 * based agent (LLDPAD). Also, indicates what 375 * flavor of DCBx protocol (IEEE/CEE) is supported 376 * by the device. For now we're supporting IEEE 377 * mode only. 378 */ 379 u16 dcbx_cap; 380 381 u32 fcoe_hmc_filt_num; 382 u32 fcoe_hmc_cntx_num; 383 struct i40e_filter_control_settings filter_settings; 384 385 struct ptp_clock *ptp_clock; 386 struct ptp_clock_info ptp_caps; 387 struct sk_buff *ptp_tx_skb; 388 struct hwtstamp_config tstamp_config; 389 unsigned long last_rx_ptp_check; 390 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 391 u64 ptp_base_adj; 392 u32 tx_hwtstamp_timeouts; 393 u32 rx_hwtstamp_cleared; 394 bool ptp_tx; 395 bool ptp_rx; 396 u16 rss_table_size; 397 /* These are only valid in NPAR modes */ 398 u32 npar_max_bw; 399 u32 npar_min_bw; 400}; 401 402struct i40e_mac_filter { 403 struct list_head list; 404 u8 macaddr[ETH_ALEN]; 405#define I40E_VLAN_ANY -1 406 s16 vlan; 407 u8 counter; /* number of instances of this filter */ 408 bool is_vf; /* filter belongs to a VF */ 409 bool is_netdev; /* filter belongs to a netdev */ 410 bool changed; /* filter needs to be sync'd to the HW */ 411 bool is_laa; /* filter is a Locally Administered Address */ 412}; 413 414struct i40e_veb { 415 struct i40e_pf *pf; 416 u16 idx; 417 u16 veb_idx; /* index of VEB parent */ 418 u16 seid; 419 u16 uplink_seid; 420 u16 stats_idx; /* index of VEB parent */ 421 u8 enabled_tc; 422 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 423 u16 flags; 424 u16 bw_limit; 425 u8 bw_max_quanta; 426 bool is_abs_credits; 427 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 428 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 429 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 430 struct kobject *kobj; 431 bool stat_offsets_loaded; 432 struct i40e_eth_stats stats; 433 struct i40e_eth_stats stats_offsets; 434}; 435 436/* struct that defines a VSI, associated with a dev */ 437struct i40e_vsi { 438 struct net_device *netdev; 439 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 440 bool netdev_registered; 441 bool stat_offsets_loaded; 442 443 u32 current_netdev_flags; 444 unsigned long state; 445#define I40E_VSI_FLAG_FILTER_CHANGED (1<<0) 446#define I40E_VSI_FLAG_VEB_OWNER (1<<1) 447 unsigned long flags; 448 449 struct list_head mac_filter_list; 450 451 /* VSI stats */ 452 struct rtnl_link_stats64 net_stats; 453 struct rtnl_link_stats64 net_stats_offsets; 454 struct i40e_eth_stats eth_stats; 455 struct i40e_eth_stats eth_stats_offsets; 456#ifdef I40E_FCOE 457 struct i40e_fcoe_stats fcoe_stats; 458 struct i40e_fcoe_stats fcoe_stats_offsets; 459 bool fcoe_stat_offsets_loaded; 460#endif 461 u32 tx_restart; 462 u32 tx_busy; 463 u32 rx_buf_failed; 464 u32 rx_page_failed; 465 466 /* These are containers of ring pointers, allocated at run-time */ 467 struct i40e_ring **rx_rings; 468 struct i40e_ring **tx_rings; 469 470 u16 work_limit; 471 /* high bit set means dynamic, use accessor routines to read/write. 472 * hardware only supports 2us resolution for the ITR registers. 473 * these values always store the USER setting, and must be converted 474 * before programming to a register. 475 */ 476 u16 rx_itr_setting; 477 u16 tx_itr_setting; 478 479 u16 rss_table_size; 480 u16 rss_size; 481 482 u16 max_frame; 483 u16 rx_hdr_len; 484 u16 rx_buf_len; 485 u8 dtype; 486 487 /* List of q_vectors allocated to this VSI */ 488 struct i40e_q_vector **q_vectors; 489 int num_q_vectors; 490 int base_vector; 491 bool irqs_ready; 492 493 u16 seid; /* HW index of this VSI (absolute index) */ 494 u16 id; /* VSI number */ 495 u16 uplink_seid; 496 497 u16 base_queue; /* vsi's first queue in hw array */ 498 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 499 u16 req_queue_pairs; /* User requested queue pairs */ 500 u16 num_queue_pairs; /* Used tx and rx pairs */ 501 u16 num_desc; 502 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 503 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 504 505 struct i40e_tc_configuration tc_config; 506 struct i40e_aqc_vsi_properties_data info; 507 508 /* VSI BW limit (absolute across all TCs) */ 509 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 510 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 511 512 /* Relative TC credits across VSIs */ 513 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 514 /* TC BW limit credits within VSI */ 515 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 516 /* TC BW limit max quanta within VSI */ 517 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 518 519 struct i40e_pf *back; /* Backreference to associated PF */ 520 u16 idx; /* index in pf->vsi[] */ 521 u16 veb_idx; /* index of VEB parent */ 522 struct kobject *kobj; /* sysfs object */ 523 524 /* VSI specific handlers */ 525 irqreturn_t (*irq_handler)(int irq, void *data); 526 527 /* current rxnfc data */ 528 struct ethtool_rxnfc rxnfc; /* current rss hash opts */ 529} ____cacheline_internodealigned_in_smp; 530 531struct i40e_netdev_priv { 532 struct i40e_vsi *vsi; 533}; 534 535/* struct that defines an interrupt vector */ 536struct i40e_q_vector { 537 struct i40e_vsi *vsi; 538 539 u16 v_idx; /* index in the vsi->q_vector array. */ 540 u16 reg_idx; /* register index of the interrupt */ 541 542 struct napi_struct napi; 543 544 struct i40e_ring_container rx; 545 struct i40e_ring_container tx; 546 547 u8 num_ringpairs; /* total number of ring pairs in vector */ 548 549 cpumask_t affinity_mask; 550 struct rcu_head rcu; /* to avoid race with update stats on free */ 551 char name[I40E_INT_NAME_STR_LEN]; 552} ____cacheline_internodealigned_in_smp; 553 554/* lan device */ 555struct i40e_device { 556 struct list_head list; 557 struct i40e_pf *pf; 558}; 559 560/** 561 * i40e_fw_version_str - format the FW and NVM version strings 562 * @hw: ptr to the hardware info 563 **/ 564static inline char *i40e_fw_version_str(struct i40e_hw *hw) 565{ 566 static char buf[32]; 567 568 snprintf(buf, sizeof(buf), 569 "f%d.%d.%05d a%d.%d n%x.%02x e%x", 570 hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.fw_build, 571 hw->aq.api_maj_ver, hw->aq.api_min_ver, 572 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 573 I40E_NVM_VERSION_HI_SHIFT, 574 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 575 I40E_NVM_VERSION_LO_SHIFT, 576 (hw->nvm.eetrack & 0xffffff)); 577 578 return buf; 579} 580 581/** 582 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 583 * @netdev: the corresponding netdev 584 * 585 * Return the PF struct for the given netdev 586 **/ 587static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 588{ 589 struct i40e_netdev_priv *np = netdev_priv(netdev); 590 struct i40e_vsi *vsi = np->vsi; 591 592 return vsi->back; 593} 594 595static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 596 irqreturn_t (*irq_handler)(int, void *)) 597{ 598 vsi->irq_handler = irq_handler; 599} 600 601/** 602 * i40e_rx_is_programming_status - check for programming status descriptor 603 * @qw: the first quad word of the program status descriptor 604 * 605 * The value of in the descriptor length field indicate if this 606 * is a programming status descriptor for flow director or FCoE 607 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 608 * it is a packet descriptor. 609 **/ 610static inline bool i40e_rx_is_programming_status(u64 qw) 611{ 612 return I40E_RX_PROG_STATUS_DESC_LENGTH == 613 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 614} 615 616/** 617 * i40e_get_fd_cnt_all - get the total FD filter space available 618 * @pf: pointer to the PF struct 619 **/ 620static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 621{ 622 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 623} 624 625/* needed by i40e_ethtool.c */ 626int i40e_up(struct i40e_vsi *vsi); 627void i40e_down(struct i40e_vsi *vsi); 628extern const char i40e_driver_name[]; 629extern const char i40e_driver_version_str[]; 630void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 631void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 632struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 633void i40e_update_stats(struct i40e_vsi *vsi); 634void i40e_update_eth_stats(struct i40e_vsi *vsi); 635struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 636int i40e_fetch_switch_configuration(struct i40e_pf *pf, 637 bool printconfig); 638 639int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 640 struct i40e_pf *pf, bool add); 641int i40e_add_del_fdir(struct i40e_vsi *vsi, 642 struct i40e_fdir_filter *input, bool add); 643void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 644u32 i40e_get_current_fd_count(struct i40e_pf *pf); 645u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 646u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 647u32 i40e_get_global_fd_count(struct i40e_pf *pf); 648bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 649void i40e_set_ethtool_ops(struct net_device *netdev); 650struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 651 u8 *macaddr, s16 vlan, 652 bool is_vf, bool is_netdev); 653void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 654 bool is_vf, bool is_netdev); 655int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 656struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 657 u16 uplink, u32 param1); 658int i40e_vsi_release(struct i40e_vsi *vsi); 659struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 660 struct i40e_vsi *start_vsi); 661#ifdef I40E_FCOE 662void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 663 struct i40e_vsi_context *ctxt, 664 u8 enabled_tc, bool is_add); 665#endif 666int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 667int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 668struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 669 u16 downlink_seid, u8 enabled_tc); 670void i40e_veb_release(struct i40e_veb *veb); 671 672int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 673i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 674void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 675void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 676void i40e_pf_reset_stats(struct i40e_pf *pf); 677#ifdef CONFIG_DEBUG_FS 678void i40e_dbg_pf_init(struct i40e_pf *pf); 679void i40e_dbg_pf_exit(struct i40e_pf *pf); 680void i40e_dbg_init(void); 681void i40e_dbg_exit(void); 682#else 683static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 684static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 685static inline void i40e_dbg_init(void) {} 686static inline void i40e_dbg_exit(void) {} 687#endif /* CONFIG_DEBUG_FS*/ 688void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); 689void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 690void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 691void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 692#ifdef I40E_FCOE 693struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 694 struct net_device *netdev, 695 struct rtnl_link_stats64 *storage); 696int i40e_set_mac(struct net_device *netdev, void *p); 697void i40e_set_rx_mode(struct net_device *netdev); 698#endif 699int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 700#ifdef I40E_FCOE 701void i40e_tx_timeout(struct net_device *netdev); 702int i40e_vlan_rx_add_vid(struct net_device *netdev, 703 __always_unused __be16 proto, u16 vid); 704int i40e_vlan_rx_kill_vid(struct net_device *netdev, 705 __always_unused __be16 proto, u16 vid); 706#endif 707int i40e_open(struct net_device *netdev); 708int i40e_vsi_open(struct i40e_vsi *vsi); 709void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 710int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 711int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 712struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 713 bool is_vf, bool is_netdev); 714bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 715struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 716 bool is_vf, bool is_netdev); 717#ifdef I40E_FCOE 718int i40e_close(struct net_device *netdev); 719int i40e_setup_tc(struct net_device *netdev, u8 tc); 720void i40e_netpoll(struct net_device *netdev); 721int i40e_fcoe_enable(struct net_device *netdev); 722int i40e_fcoe_disable(struct net_device *netdev); 723int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 724u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 725void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 726void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 727int i40e_init_pf_fcoe(struct i40e_pf *pf); 728int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 729void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 730int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 731 union i40e_rx_desc *rx_desc, 732 struct sk_buff *skb); 733void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 734 union i40e_rx_desc *rx_desc, u8 prog_id); 735#endif /* I40E_FCOE */ 736void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 737#ifdef CONFIG_I40E_DCB 738void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 739 struct i40e_dcbx_config *old_cfg, 740 struct i40e_dcbx_config *new_cfg); 741void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 742void i40e_dcbnl_setup(struct i40e_vsi *vsi); 743bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 744 struct i40e_dcbx_config *old_cfg, 745 struct i40e_dcbx_config *new_cfg); 746#endif /* CONFIG_I40E_DCB */ 747void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 748void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 749void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 750void i40e_ptp_set_increment(struct i40e_pf *pf); 751int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 752int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 753void i40e_ptp_init(struct i40e_pf *pf); 754void i40e_ptp_stop(struct i40e_pf *pf); 755int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 756i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); 757i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); 758i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); 759#endif /* _I40E_H_ */ 760