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_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) 75 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 76 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 77 #define I40E_MIN_NUM_DESCRIPTORS 64 78 #define I40E_MIN_MSIX 2 79 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ 80 #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */ 81 /* max 16 qps */ 82 #define i40e_default_queues_per_vmdq(pf) \ 83 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1) 84 #define I40E_DEFAULT_QUEUES_PER_VF 4 85 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ 86 #define i40e_pf_get_max_q_per_tc(pf) \ 87 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64) 88 #define I40E_FDIR_RING 0 89 #define I40E_FDIR_RING_COUNT 32 90 #ifdef I40E_FCOE 91 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */ 92 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */ 93 #endif /* I40E_FCOE */ 94 #define I40E_MAX_AQ_BUF_SIZE 4096 95 #define I40E_AQ_LEN 256 96 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */ 97 #define I40E_MAX_USER_PRIORITY 8 98 #define I40E_DEFAULT_MSG_ENABLE 4 99 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 100 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16) 101 102 /* Ethtool Private Flags */ 103 #define I40E_PRIV_FLAGS_NPAR_FLAG BIT(0) 104 #define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1) 105 #define I40E_PRIV_FLAGS_FD_ATR BIT(2) 106 #define I40E_PRIV_FLAGS_VEB_STATS BIT(3) 107 108 #define I40E_NVM_VERSION_LO_SHIFT 0 109 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 110 #define I40E_NVM_VERSION_HI_SHIFT 12 111 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 112 #define I40E_OEM_VER_BUILD_MASK 0xffff 113 #define I40E_OEM_VER_PATCH_MASK 0xff 114 #define I40E_OEM_VER_BUILD_SHIFT 8 115 #define I40E_OEM_VER_SHIFT 24 116 117 /* The values in here are decimal coded as hex as is the case in the NVM map*/ 118 #define I40E_CURRENT_NVM_VERSION_HI 0x2 119 #define I40E_CURRENT_NVM_VERSION_LO 0x40 120 121 /* magic for getting defines into strings */ 122 #define STRINGIFY(foo) #foo 123 #define XSTRINGIFY(bar) STRINGIFY(bar) 124 125 #define I40E_RX_DESC(R, i) \ 126 ((ring_is_16byte_desc_enabled(R)) \ 127 ? (union i40e_32byte_rx_desc *) \ 128 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \ 129 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))) 130 #define I40E_TX_DESC(R, i) \ 131 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 132 #define I40E_TX_CTXTDESC(R, i) \ 133 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 134 #define I40E_TX_FDIRDESC(R, i) \ 135 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 136 137 /* default to trying for four seconds */ 138 #define I40E_TRY_LINK_TIMEOUT (4 * HZ) 139 140 /* driver state flags */ 141 enum i40e_state_t { 142 __I40E_TESTING, 143 __I40E_CONFIG_BUSY, 144 __I40E_CONFIG_DONE, 145 __I40E_DOWN, 146 __I40E_NEEDS_RESTART, 147 __I40E_SERVICE_SCHED, 148 __I40E_ADMINQ_EVENT_PENDING, 149 __I40E_MDD_EVENT_PENDING, 150 __I40E_VFLR_EVENT_PENDING, 151 __I40E_RESET_RECOVERY_PENDING, 152 __I40E_RESET_INTR_RECEIVED, 153 __I40E_REINIT_REQUESTED, 154 __I40E_PF_RESET_REQUESTED, 155 __I40E_CORE_RESET_REQUESTED, 156 __I40E_GLOBAL_RESET_REQUESTED, 157 __I40E_EMP_RESET_REQUESTED, 158 __I40E_EMP_RESET_INTR_RECEIVED, 159 __I40E_FILTER_OVERFLOW_PROMISC, 160 __I40E_SUSPENDED, 161 __I40E_PTP_TX_IN_PROGRESS, 162 __I40E_BAD_EEPROM, 163 __I40E_DOWN_REQUESTED, 164 __I40E_FD_FLUSH_REQUESTED, 165 __I40E_RESET_FAILED, 166 __I40E_PORT_TX_SUSPENDED, 167 __I40E_VF_DISABLE, 168 }; 169 170 enum i40e_interrupt_policy { 171 I40E_INTERRUPT_BEST_CASE, 172 I40E_INTERRUPT_MEDIUM, 173 I40E_INTERRUPT_LOWEST 174 }; 175 176 struct i40e_lump_tracking { 177 u16 num_entries; 178 u16 search_hint; 179 u16 list[0]; 180 #define I40E_PILE_VALID_BIT 0x8000 181 }; 182 183 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 184 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 185 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 186 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 187 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) 188 189 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) 190 191 enum i40e_fd_stat_idx { 192 I40E_FD_STAT_ATR, 193 I40E_FD_STAT_SB, 194 I40E_FD_STAT_ATR_TUNNEL, 195 I40E_FD_STAT_PF_COUNT 196 }; 197 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 198 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 199 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 200 #define I40E_FD_SB_STAT_IDX(pf_id) \ 201 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 202 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ 203 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) 204 205 struct i40e_fdir_filter { 206 struct hlist_node fdir_node; 207 /* filter ipnut set */ 208 u8 flow_type; 209 u8 ip4_proto; 210 /* TX packet view of src and dst */ 211 __be32 dst_ip[4]; 212 __be32 src_ip[4]; 213 __be16 src_port; 214 __be16 dst_port; 215 __be32 sctp_v_tag; 216 /* filter control */ 217 u16 q_index; 218 u8 flex_off; 219 u8 pctype; 220 u16 dest_vsi; 221 u8 dest_ctl; 222 u8 fd_status; 223 u16 cnt_index; 224 u32 fd_id; 225 }; 226 227 #define I40E_ETH_P_LLDP 0x88cc 228 229 #define I40E_DCB_PRIO_TYPE_STRICT 0 230 #define I40E_DCB_PRIO_TYPE_ETS 1 231 #define I40E_DCB_STRICT_PRIO_CREDITS 127 232 #define I40E_MAX_USER_PRIORITY 8 233 /* DCB per TC information data structure */ 234 struct i40e_tc_info { 235 u16 qoffset; /* Queue offset from base queue */ 236 u16 qcount; /* Total Queues */ 237 u8 netdev_tc; /* Netdev TC index if netdev associated */ 238 }; 239 240 /* TC configuration data structure */ 241 struct i40e_tc_configuration { 242 u8 numtc; /* Total number of enabled TCs */ 243 u8 enabled_tc; /* TC map */ 244 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 245 }; 246 247 /* struct that defines the Ethernet device */ 248 struct i40e_pf { 249 struct pci_dev *pdev; 250 struct i40e_hw hw; 251 unsigned long state; 252 struct msix_entry *msix_entries; 253 bool fc_autoneg_status; 254 255 u16 eeprom_version; 256 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 257 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 258 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 259 u16 num_req_vfs; /* num VFs requested for this VF */ 260 u16 num_vf_qps; /* num queue pairs per VF */ 261 #ifdef I40E_FCOE 262 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */ 263 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 264 #endif /* I40E_FCOE */ 265 u16 num_lan_qps; /* num lan queues this PF has set up */ 266 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 267 int queues_left; /* queues left unclaimed */ 268 u16 rss_size; /* num queues in the RSS array */ 269 u16 rss_size_max; /* HW defined max RSS queues */ 270 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 271 u16 num_alloc_vsi; /* num VSIs this driver supports */ 272 u8 atr_sample_rate; 273 bool wol_en; 274 275 struct hlist_head fdir_filter_list; 276 u16 fdir_pf_active_filters; 277 unsigned long fd_flush_timestamp; 278 u32 fd_flush_cnt; 279 u32 fd_add_err; 280 u32 fd_atr_cnt; 281 u32 fd_tcp_rule; 282 283 #ifdef CONFIG_I40E_VXLAN 284 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 285 u16 pending_vxlan_bitmap; 286 287 #endif 288 enum i40e_interrupt_policy int_policy; 289 u16 rx_itr_default; 290 u16 tx_itr_default; 291 u32 msg_enable; 292 char int_name[I40E_INT_NAME_STR_LEN]; 293 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 294 unsigned long service_timer_period; 295 unsigned long service_timer_previous; 296 struct timer_list service_timer; 297 struct work_struct service_task; 298 299 u64 flags; 300 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1) 301 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2) 302 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3) 303 #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4) 304 #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5) 305 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6) 306 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7) 307 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8) 308 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9) 309 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10) 310 #ifdef I40E_FCOE 311 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11) 312 #endif /* I40E_FCOE */ 313 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13) 314 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14) 315 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15) 316 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17) 317 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18) 318 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19) 319 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20) 320 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21) 321 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22) 322 #define I40E_FLAG_PTP BIT_ULL(25) 323 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26) 324 #ifdef CONFIG_I40E_VXLAN 325 #define I40E_FLAG_VXLAN_FILTER_SYNC BIT_ULL(27) 326 #endif 327 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28) 328 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29) 329 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31) 330 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32) 331 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33) 332 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34) 333 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35) 334 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37) 335 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38) 336 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39) 337 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) 338 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42) 339 340 /* tracks features that get auto disabled by errors */ 341 u64 auto_disable_flags; 342 343 #ifdef I40E_FCOE 344 struct i40e_fcoe fcoe; 345 346 #endif /* I40E_FCOE */ 347 bool stat_offsets_loaded; 348 struct i40e_hw_port_stats stats; 349 struct i40e_hw_port_stats stats_offsets; 350 u32 tx_timeout_count; 351 u32 tx_timeout_recovery_level; 352 unsigned long tx_timeout_last_recovery; 353 u32 tx_sluggish_count; 354 u32 hw_csum_rx_error; 355 u32 led_status; 356 u16 corer_count; /* Core reset count */ 357 u16 globr_count; /* Global reset count */ 358 u16 empr_count; /* EMP reset count */ 359 u16 pfr_count; /* PF reset count */ 360 u16 sw_int_count; /* SW interrupt count */ 361 362 struct mutex switch_mutex; 363 u16 lan_vsi; /* our default LAN VSI */ 364 u16 lan_veb; /* initial relay, if exists */ 365 #define I40E_NO_VEB 0xffff 366 #define I40E_NO_VSI 0xffff 367 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 368 struct i40e_vsi **vsi; 369 struct i40e_veb *veb[I40E_MAX_VEB]; 370 371 struct i40e_lump_tracking *qp_pile; 372 struct i40e_lump_tracking *irq_pile; 373 374 /* switch config info */ 375 u16 pf_seid; 376 u16 main_vsi_seid; 377 u16 mac_seid; 378 struct kobject *switch_kobj; 379 #ifdef CONFIG_DEBUG_FS 380 struct dentry *i40e_dbg_pf; 381 #endif /* CONFIG_DEBUG_FS */ 382 bool cur_promisc; 383 384 u16 instance; /* A unique number per i40e_pf instance in the system */ 385 386 /* sr-iov config info */ 387 struct i40e_vf *vf; 388 int num_alloc_vfs; /* actual number of VFs allocated */ 389 u32 vf_aq_requests; 390 391 /* DCBx/DCBNL capability for PF that indicates 392 * whether DCBx is managed by firmware or host 393 * based agent (LLDPAD). Also, indicates what 394 * flavor of DCBx protocol (IEEE/CEE) is supported 395 * by the device. For now we're supporting IEEE 396 * mode only. 397 */ 398 u16 dcbx_cap; 399 400 u32 fcoe_hmc_filt_num; 401 u32 fcoe_hmc_cntx_num; 402 struct i40e_filter_control_settings filter_settings; 403 404 struct ptp_clock *ptp_clock; 405 struct ptp_clock_info ptp_caps; 406 struct sk_buff *ptp_tx_skb; 407 struct hwtstamp_config tstamp_config; 408 unsigned long last_rx_ptp_check; 409 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 410 u64 ptp_base_adj; 411 u32 tx_hwtstamp_timeouts; 412 u32 rx_hwtstamp_cleared; 413 bool ptp_tx; 414 bool ptp_rx; 415 u16 rss_table_size; 416 /* These are only valid in NPAR modes */ 417 u32 npar_max_bw; 418 u32 npar_min_bw; 419 420 u32 ioremap_len; 421 u32 fd_inv; 422 }; 423 424 struct i40e_mac_filter { 425 struct list_head list; 426 u8 macaddr[ETH_ALEN]; 427 #define I40E_VLAN_ANY -1 428 s16 vlan; 429 u8 counter; /* number of instances of this filter */ 430 bool is_vf; /* filter belongs to a VF */ 431 bool is_netdev; /* filter belongs to a netdev */ 432 bool changed; /* filter needs to be sync'd to the HW */ 433 bool is_laa; /* filter is a Locally Administered Address */ 434 }; 435 436 struct i40e_veb { 437 struct i40e_pf *pf; 438 u16 idx; 439 u16 veb_idx; /* index of VEB parent */ 440 u16 seid; 441 u16 uplink_seid; 442 u16 stats_idx; /* index of VEB parent */ 443 u8 enabled_tc; 444 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 445 u16 flags; 446 u16 bw_limit; 447 u8 bw_max_quanta; 448 bool is_abs_credits; 449 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 450 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 451 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 452 struct kobject *kobj; 453 bool stat_offsets_loaded; 454 struct i40e_eth_stats stats; 455 struct i40e_eth_stats stats_offsets; 456 struct i40e_veb_tc_stats tc_stats; 457 struct i40e_veb_tc_stats tc_stats_offsets; 458 }; 459 460 /* struct that defines a VSI, associated with a dev */ 461 struct i40e_vsi { 462 struct net_device *netdev; 463 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 464 bool netdev_registered; 465 bool stat_offsets_loaded; 466 467 u32 current_netdev_flags; 468 unsigned long state; 469 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) 470 #define I40E_VSI_FLAG_VEB_OWNER BIT(1) 471 unsigned long flags; 472 473 /* Per VSI lock to protect elements/list (MAC filter) */ 474 spinlock_t mac_filter_list_lock; 475 struct list_head mac_filter_list; 476 477 /* VSI stats */ 478 struct rtnl_link_stats64 net_stats; 479 struct rtnl_link_stats64 net_stats_offsets; 480 struct i40e_eth_stats eth_stats; 481 struct i40e_eth_stats eth_stats_offsets; 482 #ifdef I40E_FCOE 483 struct i40e_fcoe_stats fcoe_stats; 484 struct i40e_fcoe_stats fcoe_stats_offsets; 485 bool fcoe_stat_offsets_loaded; 486 #endif 487 u32 tx_restart; 488 u32 tx_busy; 489 u64 tx_linearize; 490 u32 rx_buf_failed; 491 u32 rx_page_failed; 492 493 /* These are containers of ring pointers, allocated at run-time */ 494 struct i40e_ring **rx_rings; 495 struct i40e_ring **tx_rings; 496 497 u16 work_limit; 498 /* high bit set means dynamic, use accessor routines to read/write. 499 * hardware only supports 2us resolution for the ITR registers. 500 * these values always store the USER setting, and must be converted 501 * before programming to a register. 502 */ 503 u16 rx_itr_setting; 504 u16 tx_itr_setting; 505 u16 int_rate_limit; /* value in usecs */ 506 507 u16 rss_table_size; 508 u16 rss_size; 509 510 u16 max_frame; 511 u16 rx_hdr_len; 512 u16 rx_buf_len; 513 u8 dtype; 514 515 /* List of q_vectors allocated to this VSI */ 516 struct i40e_q_vector **q_vectors; 517 int num_q_vectors; 518 int base_vector; 519 bool irqs_ready; 520 521 u16 seid; /* HW index of this VSI (absolute index) */ 522 u16 id; /* VSI number */ 523 u16 uplink_seid; 524 525 u16 base_queue; /* vsi's first queue in hw array */ 526 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 527 u16 req_queue_pairs; /* User requested queue pairs */ 528 u16 num_queue_pairs; /* Used tx and rx pairs */ 529 u16 num_desc; 530 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 531 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 532 533 struct i40e_tc_configuration tc_config; 534 struct i40e_aqc_vsi_properties_data info; 535 536 /* VSI BW limit (absolute across all TCs) */ 537 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 538 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 539 540 /* Relative TC credits across VSIs */ 541 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 542 /* TC BW limit credits within VSI */ 543 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 544 /* TC BW limit max quanta within VSI */ 545 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 546 547 struct i40e_pf *back; /* Backreference to associated PF */ 548 u16 idx; /* index in pf->vsi[] */ 549 u16 veb_idx; /* index of VEB parent */ 550 struct kobject *kobj; /* sysfs object */ 551 bool current_isup; /* Sync 'link up' logging */ 552 553 /* VSI specific handlers */ 554 irqreturn_t (*irq_handler)(int irq, void *data); 555 556 /* current rxnfc data */ 557 struct ethtool_rxnfc rxnfc; /* current rss hash opts */ 558 } ____cacheline_internodealigned_in_smp; 559 560 struct i40e_netdev_priv { 561 struct i40e_vsi *vsi; 562 }; 563 564 /* struct that defines an interrupt vector */ 565 struct i40e_q_vector { 566 struct i40e_vsi *vsi; 567 568 u16 v_idx; /* index in the vsi->q_vector array. */ 569 u16 reg_idx; /* register index of the interrupt */ 570 571 struct napi_struct napi; 572 573 struct i40e_ring_container rx; 574 struct i40e_ring_container tx; 575 576 u8 num_ringpairs; /* total number of ring pairs in vector */ 577 578 cpumask_t affinity_mask; 579 struct rcu_head rcu; /* to avoid race with update stats on free */ 580 char name[I40E_INT_NAME_STR_LEN]; 581 bool arm_wb_state; 582 #define ITR_COUNTDOWN_START 100 583 u8 itr_countdown; /* when 0 should adjust ITR */ 584 } ____cacheline_internodealigned_in_smp; 585 586 /* lan device */ 587 struct i40e_device { 588 struct list_head list; 589 struct i40e_pf *pf; 590 }; 591 592 /** 593 * i40e_nvm_version_str - format the NVM version strings 594 * @hw: ptr to the hardware info 595 **/ 596 static inline char *i40e_nvm_version_str(struct i40e_hw *hw) 597 { 598 static char buf[32]; 599 u32 full_ver; 600 u8 ver, patch; 601 u16 build; 602 603 full_ver = hw->nvm.oem_ver; 604 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); 605 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) 606 & I40E_OEM_VER_BUILD_MASK); 607 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); 608 609 snprintf(buf, sizeof(buf), 610 "%x.%02x 0x%x %d.%d.%d", 611 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 612 I40E_NVM_VERSION_HI_SHIFT, 613 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 614 I40E_NVM_VERSION_LO_SHIFT, 615 hw->nvm.eetrack, ver, build, patch); 616 617 return buf; 618 } 619 620 /** 621 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 622 * @netdev: the corresponding netdev 623 * 624 * Return the PF struct for the given netdev 625 **/ 626 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 627 { 628 struct i40e_netdev_priv *np = netdev_priv(netdev); 629 struct i40e_vsi *vsi = np->vsi; 630 631 return vsi->back; 632 } 633 634 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 635 irqreturn_t (*irq_handler)(int, void *)) 636 { 637 vsi->irq_handler = irq_handler; 638 } 639 640 /** 641 * i40e_rx_is_programming_status - check for programming status descriptor 642 * @qw: the first quad word of the program status descriptor 643 * 644 * The value of in the descriptor length field indicate if this 645 * is a programming status descriptor for flow director or FCoE 646 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 647 * it is a packet descriptor. 648 **/ 649 static inline bool i40e_rx_is_programming_status(u64 qw) 650 { 651 return I40E_RX_PROG_STATUS_DESC_LENGTH == 652 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 653 } 654 655 /** 656 * i40e_get_fd_cnt_all - get the total FD filter space available 657 * @pf: pointer to the PF struct 658 **/ 659 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 660 { 661 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 662 } 663 664 /* needed by i40e_ethtool.c */ 665 int i40e_up(struct i40e_vsi *vsi); 666 void i40e_down(struct i40e_vsi *vsi); 667 extern const char i40e_driver_name[]; 668 extern const char i40e_driver_version_str[]; 669 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 670 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 671 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 672 void i40e_update_stats(struct i40e_vsi *vsi); 673 void i40e_update_eth_stats(struct i40e_vsi *vsi); 674 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 675 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 676 bool printconfig); 677 678 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 679 struct i40e_pf *pf, bool add); 680 int i40e_add_del_fdir(struct i40e_vsi *vsi, 681 struct i40e_fdir_filter *input, bool add); 682 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 683 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 684 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 685 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 686 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 687 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 688 void i40e_set_ethtool_ops(struct net_device *netdev); 689 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 690 u8 *macaddr, s16 vlan, 691 bool is_vf, bool is_netdev); 692 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 693 bool is_vf, bool is_netdev); 694 int i40e_sync_vsi_filters(struct i40e_vsi *vsi, bool grab_rtnl); 695 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 696 u16 uplink, u32 param1); 697 int i40e_vsi_release(struct i40e_vsi *vsi); 698 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 699 struct i40e_vsi *start_vsi); 700 #ifdef I40E_FCOE 701 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 702 struct i40e_vsi_context *ctxt, 703 u8 enabled_tc, bool is_add); 704 #endif 705 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 706 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 707 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 708 u16 downlink_seid, u8 enabled_tc); 709 void i40e_veb_release(struct i40e_veb *veb); 710 711 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 712 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 713 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 714 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 715 void i40e_pf_reset_stats(struct i40e_pf *pf); 716 #ifdef CONFIG_DEBUG_FS 717 void i40e_dbg_pf_init(struct i40e_pf *pf); 718 void i40e_dbg_pf_exit(struct i40e_pf *pf); 719 void i40e_dbg_init(void); 720 void i40e_dbg_exit(void); 721 #else 722 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 723 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 724 static inline void i40e_dbg_init(void) {} 725 static inline void i40e_dbg_exit(void) {} 726 #endif /* CONFIG_DEBUG_FS*/ 727 /** 728 * i40e_irq_dynamic_enable - Enable default interrupt generation settings 729 * @vsi: pointer to a vsi 730 * @vector: enable a particular Hw Interrupt vector, without base_vector 731 **/ 732 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) 733 { 734 struct i40e_pf *pf = vsi->back; 735 struct i40e_hw *hw = &pf->hw; 736 u32 val; 737 738 val = I40E_PFINT_DYN_CTLN_INTENA_MASK | 739 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | 740 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); 741 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); 742 /* skip the flush */ 743 } 744 745 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 746 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 747 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 748 #ifdef I40E_FCOE 749 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 750 struct net_device *netdev, 751 struct rtnl_link_stats64 *storage); 752 int i40e_set_mac(struct net_device *netdev, void *p); 753 void i40e_set_rx_mode(struct net_device *netdev); 754 #endif 755 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 756 #ifdef I40E_FCOE 757 void i40e_tx_timeout(struct net_device *netdev); 758 int i40e_vlan_rx_add_vid(struct net_device *netdev, 759 __always_unused __be16 proto, u16 vid); 760 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 761 __always_unused __be16 proto, u16 vid); 762 #endif 763 int i40e_open(struct net_device *netdev); 764 int i40e_vsi_open(struct i40e_vsi *vsi); 765 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 766 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 767 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 768 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 769 bool is_vf, bool is_netdev); 770 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 771 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 772 bool is_vf, bool is_netdev); 773 #ifdef I40E_FCOE 774 int i40e_close(struct net_device *netdev); 775 int i40e_setup_tc(struct net_device *netdev, u8 tc); 776 void i40e_netpoll(struct net_device *netdev); 777 int i40e_fcoe_enable(struct net_device *netdev); 778 int i40e_fcoe_disable(struct net_device *netdev); 779 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 780 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 781 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 782 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 783 void i40e_init_pf_fcoe(struct i40e_pf *pf); 784 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 785 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 786 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 787 union i40e_rx_desc *rx_desc, 788 struct sk_buff *skb); 789 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 790 union i40e_rx_desc *rx_desc, u8 prog_id); 791 #endif /* I40E_FCOE */ 792 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 793 #ifdef CONFIG_I40E_DCB 794 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 795 struct i40e_dcbx_config *old_cfg, 796 struct i40e_dcbx_config *new_cfg); 797 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 798 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 799 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 800 struct i40e_dcbx_config *old_cfg, 801 struct i40e_dcbx_config *new_cfg); 802 #endif /* CONFIG_I40E_DCB */ 803 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 804 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 805 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 806 void i40e_ptp_set_increment(struct i40e_pf *pf); 807 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 808 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 809 void i40e_ptp_init(struct i40e_pf *pf); 810 void i40e_ptp_stop(struct i40e_pf *pf); 811 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 812 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); 813 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); 814 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); 815 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); 816 #endif /* _I40E_H_ */ 817