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 /* max 16 qps */ 83 #define i40e_default_queues_per_vmdq(pf) \ 84 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1) 85 #define I40E_DEFAULT_QUEUES_PER_VF 4 86 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ 87 #define i40e_pf_get_max_q_per_tc(pf) \ 88 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64) 89 #define I40E_FDIR_RING 0 90 #define I40E_FDIR_RING_COUNT 32 91 #ifdef I40E_FCOE 92 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */ 93 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */ 94 #endif /* I40E_FCOE */ 95 #define I40E_MAX_AQ_BUF_SIZE 4096 96 #define I40E_AQ_LEN 256 97 #define I40E_AQ_WORK_LIMIT 32 98 #define I40E_MAX_USER_PRIORITY 8 99 #define I40E_DEFAULT_MSG_ENABLE 4 100 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 101 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 9) 102 103 /* Ethtool Private Flags */ 104 #define I40E_PRIV_FLAGS_NPAR_FLAG BIT(0) 105 106 #define I40E_NVM_VERSION_LO_SHIFT 0 107 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 108 #define I40E_NVM_VERSION_HI_SHIFT 12 109 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 110 111 /* The values in here are decimal coded as hex as is the case in the NVM map*/ 112 #define I40E_CURRENT_NVM_VERSION_HI 0x2 113 #define I40E_CURRENT_NVM_VERSION_LO 0x40 114 115 /* magic for getting defines into strings */ 116 #define STRINGIFY(foo) #foo 117 #define XSTRINGIFY(bar) STRINGIFY(bar) 118 119 #define I40E_RX_DESC(R, i) \ 120 ((ring_is_16byte_desc_enabled(R)) \ 121 ? (union i40e_32byte_rx_desc *) \ 122 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \ 123 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))) 124 #define I40E_TX_DESC(R, i) \ 125 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 126 #define I40E_TX_CTXTDESC(R, i) \ 127 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 128 #define I40E_TX_FDIRDESC(R, i) \ 129 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 130 131 /* default to trying for four seconds */ 132 #define I40E_TRY_LINK_TIMEOUT (4 * HZ) 133 134 /* driver state flags */ 135 enum i40e_state_t { 136 __I40E_TESTING, 137 __I40E_CONFIG_BUSY, 138 __I40E_CONFIG_DONE, 139 __I40E_DOWN, 140 __I40E_NEEDS_RESTART, 141 __I40E_SERVICE_SCHED, 142 __I40E_ADMINQ_EVENT_PENDING, 143 __I40E_MDD_EVENT_PENDING, 144 __I40E_VFLR_EVENT_PENDING, 145 __I40E_RESET_RECOVERY_PENDING, 146 __I40E_RESET_INTR_RECEIVED, 147 __I40E_REINIT_REQUESTED, 148 __I40E_PF_RESET_REQUESTED, 149 __I40E_CORE_RESET_REQUESTED, 150 __I40E_GLOBAL_RESET_REQUESTED, 151 __I40E_EMP_RESET_REQUESTED, 152 __I40E_EMP_RESET_INTR_RECEIVED, 153 __I40E_FILTER_OVERFLOW_PROMISC, 154 __I40E_SUSPENDED, 155 __I40E_PTP_TX_IN_PROGRESS, 156 __I40E_BAD_EEPROM, 157 __I40E_DOWN_REQUESTED, 158 __I40E_FD_FLUSH_REQUESTED, 159 __I40E_RESET_FAILED, 160 __I40E_PORT_TX_SUSPENDED, 161 __I40E_VF_DISABLE, 162 }; 163 164 enum i40e_interrupt_policy { 165 I40E_INTERRUPT_BEST_CASE, 166 I40E_INTERRUPT_MEDIUM, 167 I40E_INTERRUPT_LOWEST 168 }; 169 170 struct i40e_lump_tracking { 171 u16 num_entries; 172 u16 search_hint; 173 u16 list[0]; 174 #define I40E_PILE_VALID_BIT 0x8000 175 }; 176 177 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 178 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 179 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 180 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 181 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) 182 183 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) 184 185 enum i40e_fd_stat_idx { 186 I40E_FD_STAT_ATR, 187 I40E_FD_STAT_SB, 188 I40E_FD_STAT_ATR_TUNNEL, 189 I40E_FD_STAT_PF_COUNT 190 }; 191 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 192 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 193 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 194 #define I40E_FD_SB_STAT_IDX(pf_id) \ 195 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 196 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ 197 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) 198 199 struct i40e_fdir_filter { 200 struct hlist_node fdir_node; 201 /* filter ipnut set */ 202 u8 flow_type; 203 u8 ip4_proto; 204 /* TX packet view of src and dst */ 205 __be32 dst_ip[4]; 206 __be32 src_ip[4]; 207 __be16 src_port; 208 __be16 dst_port; 209 __be32 sctp_v_tag; 210 /* filter control */ 211 u16 q_index; 212 u8 flex_off; 213 u8 pctype; 214 u16 dest_vsi; 215 u8 dest_ctl; 216 u8 fd_status; 217 u16 cnt_index; 218 u32 fd_id; 219 }; 220 221 #define I40E_ETH_P_LLDP 0x88cc 222 223 #define I40E_DCB_PRIO_TYPE_STRICT 0 224 #define I40E_DCB_PRIO_TYPE_ETS 1 225 #define I40E_DCB_STRICT_PRIO_CREDITS 127 226 #define I40E_MAX_USER_PRIORITY 8 227 /* DCB per TC information data structure */ 228 struct i40e_tc_info { 229 u16 qoffset; /* Queue offset from base queue */ 230 u16 qcount; /* Total Queues */ 231 u8 netdev_tc; /* Netdev TC index if netdev associated */ 232 }; 233 234 /* TC configuration data structure */ 235 struct i40e_tc_configuration { 236 u8 numtc; /* Total number of enabled TCs */ 237 u8 enabled_tc; /* TC map */ 238 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 239 }; 240 241 /* struct that defines the Ethernet device */ 242 struct i40e_pf { 243 struct pci_dev *pdev; 244 struct i40e_hw hw; 245 unsigned long state; 246 unsigned long link_check_timeout; 247 struct msix_entry *msix_entries; 248 bool fc_autoneg_status; 249 250 u16 eeprom_version; 251 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 252 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 253 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 254 u16 num_req_vfs; /* num VFs requested for this VF */ 255 u16 num_vf_qps; /* num queue pairs per VF */ 256 #ifdef I40E_FCOE 257 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */ 258 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 259 #endif /* I40E_FCOE */ 260 u16 num_lan_qps; /* num lan queues this PF has set up */ 261 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 262 int queues_left; /* queues left unclaimed */ 263 u16 rss_size; /* num queues in the RSS array */ 264 u16 rss_size_max; /* HW defined max RSS queues */ 265 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 266 u16 num_alloc_vsi; /* num VSIs this driver supports */ 267 u8 atr_sample_rate; 268 bool wol_en; 269 270 struct hlist_head fdir_filter_list; 271 u16 fdir_pf_active_filters; 272 unsigned long fd_flush_timestamp; 273 u32 fd_flush_cnt; 274 u32 fd_add_err; 275 u32 fd_atr_cnt; 276 u32 fd_tcp_rule; 277 278 #ifdef CONFIG_I40E_VXLAN 279 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 280 u16 pending_vxlan_bitmap; 281 282 #endif 283 enum i40e_interrupt_policy int_policy; 284 u16 rx_itr_default; 285 u16 tx_itr_default; 286 u32 msg_enable; 287 char int_name[I40E_INT_NAME_STR_LEN]; 288 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 289 unsigned long service_timer_period; 290 unsigned long service_timer_previous; 291 struct timer_list service_timer; 292 struct work_struct service_task; 293 294 u64 flags; 295 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1) 296 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2) 297 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3) 298 #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4) 299 #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5) 300 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6) 301 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7) 302 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8) 303 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9) 304 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10) 305 #ifdef I40E_FCOE 306 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11) 307 #endif /* I40E_FCOE */ 308 #define I40E_FLAG_IN_NETPOLL BIT_ULL(12) 309 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13) 310 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14) 311 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15) 312 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17) 313 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18) 314 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19) 315 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20) 316 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21) 317 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22) 318 #define I40E_FLAG_PTP BIT_ULL(25) 319 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26) 320 #ifdef CONFIG_I40E_VXLAN 321 #define I40E_FLAG_VXLAN_FILTER_SYNC BIT_ULL(27) 322 #endif 323 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28) 324 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29) 325 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31) 326 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32) 327 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33) 328 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34) 329 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35) 330 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38) 331 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) 332 333 /* tracks features that get auto disabled by errors */ 334 u64 auto_disable_flags; 335 336 #ifdef I40E_FCOE 337 struct i40e_fcoe fcoe; 338 339 #endif /* I40E_FCOE */ 340 bool stat_offsets_loaded; 341 struct i40e_hw_port_stats stats; 342 struct i40e_hw_port_stats stats_offsets; 343 u32 tx_timeout_count; 344 u32 tx_timeout_recovery_level; 345 unsigned long tx_timeout_last_recovery; 346 u32 tx_sluggish_count; 347 u32 hw_csum_rx_error; 348 u32 led_status; 349 u16 corer_count; /* Core reset count */ 350 u16 globr_count; /* Global reset count */ 351 u16 empr_count; /* EMP reset count */ 352 u16 pfr_count; /* PF reset count */ 353 u16 sw_int_count; /* SW interrupt count */ 354 355 struct mutex switch_mutex; 356 u16 lan_vsi; /* our default LAN VSI */ 357 u16 lan_veb; /* initial relay, if exists */ 358 #define I40E_NO_VEB 0xffff 359 #define I40E_NO_VSI 0xffff 360 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 361 struct i40e_vsi **vsi; 362 struct i40e_veb *veb[I40E_MAX_VEB]; 363 364 struct i40e_lump_tracking *qp_pile; 365 struct i40e_lump_tracking *irq_pile; 366 367 /* switch config info */ 368 u16 pf_seid; 369 u16 main_vsi_seid; 370 u16 mac_seid; 371 struct kobject *switch_kobj; 372 #ifdef CONFIG_DEBUG_FS 373 struct dentry *i40e_dbg_pf; 374 #endif /* CONFIG_DEBUG_FS */ 375 bool cur_promisc; 376 377 u16 instance; /* A unique number per i40e_pf instance in the system */ 378 379 /* sr-iov config info */ 380 struct i40e_vf *vf; 381 int num_alloc_vfs; /* actual number of VFs allocated */ 382 u32 vf_aq_requests; 383 384 /* DCBx/DCBNL capability for PF that indicates 385 * whether DCBx is managed by firmware or host 386 * based agent (LLDPAD). Also, indicates what 387 * flavor of DCBx protocol (IEEE/CEE) is supported 388 * by the device. For now we're supporting IEEE 389 * mode only. 390 */ 391 u16 dcbx_cap; 392 393 u32 fcoe_hmc_filt_num; 394 u32 fcoe_hmc_cntx_num; 395 struct i40e_filter_control_settings filter_settings; 396 397 struct ptp_clock *ptp_clock; 398 struct ptp_clock_info ptp_caps; 399 struct sk_buff *ptp_tx_skb; 400 struct hwtstamp_config tstamp_config; 401 unsigned long last_rx_ptp_check; 402 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 403 u64 ptp_base_adj; 404 u32 tx_hwtstamp_timeouts; 405 u32 rx_hwtstamp_cleared; 406 bool ptp_tx; 407 bool ptp_rx; 408 u16 rss_table_size; 409 /* These are only valid in NPAR modes */ 410 u32 npar_max_bw; 411 u32 npar_min_bw; 412 }; 413 414 struct i40e_mac_filter { 415 struct list_head list; 416 u8 macaddr[ETH_ALEN]; 417 #define I40E_VLAN_ANY -1 418 s16 vlan; 419 u8 counter; /* number of instances of this filter */ 420 bool is_vf; /* filter belongs to a VF */ 421 bool is_netdev; /* filter belongs to a netdev */ 422 bool changed; /* filter needs to be sync'd to the HW */ 423 bool is_laa; /* filter is a Locally Administered Address */ 424 }; 425 426 struct i40e_veb { 427 struct i40e_pf *pf; 428 u16 idx; 429 u16 veb_idx; /* index of VEB parent */ 430 u16 seid; 431 u16 uplink_seid; 432 u16 stats_idx; /* index of VEB parent */ 433 u8 enabled_tc; 434 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 435 u16 flags; 436 u16 bw_limit; 437 u8 bw_max_quanta; 438 bool is_abs_credits; 439 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 440 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 441 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 442 struct kobject *kobj; 443 bool stat_offsets_loaded; 444 struct i40e_eth_stats stats; 445 struct i40e_eth_stats stats_offsets; 446 struct i40e_veb_tc_stats tc_stats; 447 struct i40e_veb_tc_stats tc_stats_offsets; 448 }; 449 450 /* struct that defines a VSI, associated with a dev */ 451 struct i40e_vsi { 452 struct net_device *netdev; 453 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 454 bool netdev_registered; 455 bool stat_offsets_loaded; 456 457 u32 current_netdev_flags; 458 unsigned long state; 459 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) 460 #define I40E_VSI_FLAG_VEB_OWNER BIT(1) 461 unsigned long flags; 462 463 struct list_head mac_filter_list; 464 465 /* VSI stats */ 466 struct rtnl_link_stats64 net_stats; 467 struct rtnl_link_stats64 net_stats_offsets; 468 struct i40e_eth_stats eth_stats; 469 struct i40e_eth_stats eth_stats_offsets; 470 #ifdef I40E_FCOE 471 struct i40e_fcoe_stats fcoe_stats; 472 struct i40e_fcoe_stats fcoe_stats_offsets; 473 bool fcoe_stat_offsets_loaded; 474 #endif 475 u32 tx_restart; 476 u32 tx_busy; 477 u32 rx_buf_failed; 478 u32 rx_page_failed; 479 480 /* These are containers of ring pointers, allocated at run-time */ 481 struct i40e_ring **rx_rings; 482 struct i40e_ring **tx_rings; 483 484 u16 work_limit; 485 /* high bit set means dynamic, use accessor routines to read/write. 486 * hardware only supports 2us resolution for the ITR registers. 487 * these values always store the USER setting, and must be converted 488 * before programming to a register. 489 */ 490 u16 rx_itr_setting; 491 u16 tx_itr_setting; 492 493 u16 rss_table_size; 494 u16 rss_size; 495 496 u16 max_frame; 497 u16 rx_hdr_len; 498 u16 rx_buf_len; 499 u8 dtype; 500 501 /* List of q_vectors allocated to this VSI */ 502 struct i40e_q_vector **q_vectors; 503 int num_q_vectors; 504 int base_vector; 505 bool irqs_ready; 506 507 u16 seid; /* HW index of this VSI (absolute index) */ 508 u16 id; /* VSI number */ 509 u16 uplink_seid; 510 511 u16 base_queue; /* vsi's first queue in hw array */ 512 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 513 u16 req_queue_pairs; /* User requested queue pairs */ 514 u16 num_queue_pairs; /* Used tx and rx pairs */ 515 u16 num_desc; 516 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 517 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 518 519 struct i40e_tc_configuration tc_config; 520 struct i40e_aqc_vsi_properties_data info; 521 522 /* VSI BW limit (absolute across all TCs) */ 523 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 524 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 525 526 /* Relative TC credits across VSIs */ 527 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 528 /* TC BW limit credits within VSI */ 529 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 530 /* TC BW limit max quanta within VSI */ 531 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 532 533 struct i40e_pf *back; /* Backreference to associated PF */ 534 u16 idx; /* index in pf->vsi[] */ 535 u16 veb_idx; /* index of VEB parent */ 536 struct kobject *kobj; /* sysfs object */ 537 538 /* VSI specific handlers */ 539 irqreturn_t (*irq_handler)(int irq, void *data); 540 541 /* current rxnfc data */ 542 struct ethtool_rxnfc rxnfc; /* current rss hash opts */ 543 } ____cacheline_internodealigned_in_smp; 544 545 struct i40e_netdev_priv { 546 struct i40e_vsi *vsi; 547 }; 548 549 /* struct that defines an interrupt vector */ 550 struct i40e_q_vector { 551 struct i40e_vsi *vsi; 552 553 u16 v_idx; /* index in the vsi->q_vector array. */ 554 u16 reg_idx; /* register index of the interrupt */ 555 556 struct napi_struct napi; 557 558 struct i40e_ring_container rx; 559 struct i40e_ring_container tx; 560 561 u8 num_ringpairs; /* total number of ring pairs in vector */ 562 563 cpumask_t affinity_mask; 564 struct rcu_head rcu; /* to avoid race with update stats on free */ 565 char name[I40E_INT_NAME_STR_LEN]; 566 bool arm_wb_state; 567 } ____cacheline_internodealigned_in_smp; 568 569 /* lan device */ 570 struct i40e_device { 571 struct list_head list; 572 struct i40e_pf *pf; 573 }; 574 575 /** 576 * i40e_fw_version_str - format the FW and NVM version strings 577 * @hw: ptr to the hardware info 578 **/ 579 static inline char *i40e_fw_version_str(struct i40e_hw *hw) 580 { 581 static char buf[32]; 582 583 snprintf(buf, sizeof(buf), 584 "f%d.%d.%05d a%d.%d n%x.%02x e%x", 585 hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.fw_build, 586 hw->aq.api_maj_ver, hw->aq.api_min_ver, 587 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 588 I40E_NVM_VERSION_HI_SHIFT, 589 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 590 I40E_NVM_VERSION_LO_SHIFT, 591 (hw->nvm.eetrack & 0xffffff)); 592 593 return buf; 594 } 595 596 /** 597 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 598 * @netdev: the corresponding netdev 599 * 600 * Return the PF struct for the given netdev 601 **/ 602 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 603 { 604 struct i40e_netdev_priv *np = netdev_priv(netdev); 605 struct i40e_vsi *vsi = np->vsi; 606 607 return vsi->back; 608 } 609 610 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 611 irqreturn_t (*irq_handler)(int, void *)) 612 { 613 vsi->irq_handler = irq_handler; 614 } 615 616 /** 617 * i40e_rx_is_programming_status - check for programming status descriptor 618 * @qw: the first quad word of the program status descriptor 619 * 620 * The value of in the descriptor length field indicate if this 621 * is a programming status descriptor for flow director or FCoE 622 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 623 * it is a packet descriptor. 624 **/ 625 static inline bool i40e_rx_is_programming_status(u64 qw) 626 { 627 return I40E_RX_PROG_STATUS_DESC_LENGTH == 628 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 629 } 630 631 /** 632 * i40e_get_fd_cnt_all - get the total FD filter space available 633 * @pf: pointer to the PF struct 634 **/ 635 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 636 { 637 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 638 } 639 640 /* needed by i40e_ethtool.c */ 641 int i40e_up(struct i40e_vsi *vsi); 642 void i40e_down(struct i40e_vsi *vsi); 643 extern const char i40e_driver_name[]; 644 extern const char i40e_driver_version_str[]; 645 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 646 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 647 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 648 void i40e_update_stats(struct i40e_vsi *vsi); 649 void i40e_update_eth_stats(struct i40e_vsi *vsi); 650 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 651 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 652 bool printconfig); 653 654 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 655 struct i40e_pf *pf, bool add); 656 int i40e_add_del_fdir(struct i40e_vsi *vsi, 657 struct i40e_fdir_filter *input, bool add); 658 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 659 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 660 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 661 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 662 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 663 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 664 void i40e_set_ethtool_ops(struct net_device *netdev); 665 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 666 u8 *macaddr, s16 vlan, 667 bool is_vf, bool is_netdev); 668 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 669 bool is_vf, bool is_netdev); 670 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 671 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 672 u16 uplink, u32 param1); 673 int i40e_vsi_release(struct i40e_vsi *vsi); 674 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 675 struct i40e_vsi *start_vsi); 676 #ifdef I40E_FCOE 677 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 678 struct i40e_vsi_context *ctxt, 679 u8 enabled_tc, bool is_add); 680 #endif 681 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 682 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 683 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 684 u16 downlink_seid, u8 enabled_tc); 685 void i40e_veb_release(struct i40e_veb *veb); 686 687 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 688 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 689 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 690 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 691 void i40e_pf_reset_stats(struct i40e_pf *pf); 692 #ifdef CONFIG_DEBUG_FS 693 void i40e_dbg_pf_init(struct i40e_pf *pf); 694 void i40e_dbg_pf_exit(struct i40e_pf *pf); 695 void i40e_dbg_init(void); 696 void i40e_dbg_exit(void); 697 #else 698 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 699 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 700 static inline void i40e_dbg_init(void) {} 701 static inline void i40e_dbg_exit(void) {} 702 #endif /* CONFIG_DEBUG_FS*/ 703 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); 704 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 705 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 706 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 707 #ifdef I40E_FCOE 708 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 709 struct net_device *netdev, 710 struct rtnl_link_stats64 *storage); 711 int i40e_set_mac(struct net_device *netdev, void *p); 712 void i40e_set_rx_mode(struct net_device *netdev); 713 #endif 714 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 715 #ifdef I40E_FCOE 716 void i40e_tx_timeout(struct net_device *netdev); 717 int i40e_vlan_rx_add_vid(struct net_device *netdev, 718 __always_unused __be16 proto, u16 vid); 719 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 720 __always_unused __be16 proto, u16 vid); 721 #endif 722 int i40e_open(struct net_device *netdev); 723 int i40e_vsi_open(struct i40e_vsi *vsi); 724 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 725 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 726 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 727 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 728 bool is_vf, bool is_netdev); 729 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 730 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 731 bool is_vf, bool is_netdev); 732 #ifdef I40E_FCOE 733 int i40e_close(struct net_device *netdev); 734 int i40e_setup_tc(struct net_device *netdev, u8 tc); 735 void i40e_netpoll(struct net_device *netdev); 736 int i40e_fcoe_enable(struct net_device *netdev); 737 int i40e_fcoe_disable(struct net_device *netdev); 738 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 739 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 740 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 741 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 742 int i40e_init_pf_fcoe(struct i40e_pf *pf); 743 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 744 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 745 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 746 union i40e_rx_desc *rx_desc, 747 struct sk_buff *skb); 748 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 749 union i40e_rx_desc *rx_desc, u8 prog_id); 750 #endif /* I40E_FCOE */ 751 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 752 #ifdef CONFIG_I40E_DCB 753 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 754 struct i40e_dcbx_config *old_cfg, 755 struct i40e_dcbx_config *new_cfg); 756 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 757 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 758 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 759 struct i40e_dcbx_config *old_cfg, 760 struct i40e_dcbx_config *new_cfg); 761 #endif /* CONFIG_I40E_DCB */ 762 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 763 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 764 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 765 void i40e_ptp_set_increment(struct i40e_pf *pf); 766 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 767 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 768 void i40e_ptp_init(struct i40e_pf *pf); 769 void i40e_ptp_stop(struct i40e_pf *pf); 770 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 771 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); 772 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); 773 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); 774 #endif /* _I40E_H_ */ 775