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/sctp.h> 46 #include <linux/pkt_sched.h> 47 #include <linux/ipv6.h> 48 #include <net/checksum.h> 49 #include <net/ip6_checksum.h> 50 #include <linux/ethtool.h> 51 #include <linux/if_vlan.h> 52 #include <linux/if_bridge.h> 53 #include <linux/clocksource.h> 54 #include <linux/net_tstamp.h> 55 #include <linux/ptp_clock_kernel.h> 56 #include "i40e_type.h" 57 #include "i40e_prototype.h" 58 #ifdef I40E_FCOE 59 #include "i40e_fcoe.h" 60 #endif 61 #include "i40e_virtchnl.h" 62 #include "i40e_virtchnl_pf.h" 63 #include "i40e_txrx.h" 64 #include "i40e_dcb.h" 65 66 /* Useful i40e defaults */ 67 #define I40E_BASE_PF_SEID 16 68 #define I40E_BASE_VSI_SEID 512 69 #define I40E_BASE_VEB_SEID 288 70 #define I40E_MAX_VEB 16 71 72 #define I40E_MAX_NUM_DESCRIPTORS 4096 73 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) 74 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 75 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 76 #define I40E_MIN_NUM_DESCRIPTORS 64 77 #define I40E_MIN_MSIX 2 78 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ 79 #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */ 80 /* max 16 qps */ 81 #define i40e_default_queues_per_vmdq(pf) \ 82 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1) 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_pf_get_max_q_per_tc(pf) \ 86 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64) 87 #define I40E_FDIR_RING 0 88 #define I40E_FDIR_RING_COUNT 32 89 #ifdef I40E_FCOE 90 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */ 91 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */ 92 #endif /* I40E_FCOE */ 93 #define I40E_MAX_AQ_BUF_SIZE 4096 94 #define I40E_AQ_LEN 256 95 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */ 96 #define I40E_MAX_USER_PRIORITY 8 97 #define I40E_DEFAULT_MSG_ENABLE 4 98 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 99 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16) 100 101 /* Ethtool Private Flags */ 102 #define I40E_PRIV_FLAGS_NPAR_FLAG BIT(0) 103 #define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1) 104 #define I40E_PRIV_FLAGS_FD_ATR BIT(2) 105 #define I40E_PRIV_FLAGS_VEB_STATS BIT(3) 106 #define I40E_PRIV_FLAGS_PS BIT(4) 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 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 191 192 enum i40e_fd_stat_idx { 193 I40E_FD_STAT_ATR, 194 I40E_FD_STAT_SB, 195 I40E_FD_STAT_ATR_TUNNEL, 196 I40E_FD_STAT_PF_COUNT 197 }; 198 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 199 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 200 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 201 #define I40E_FD_SB_STAT_IDX(pf_id) \ 202 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 203 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ 204 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) 205 206 struct i40e_fdir_filter { 207 struct hlist_node fdir_node; 208 /* filter ipnut set */ 209 u8 flow_type; 210 u8 ip4_proto; 211 /* TX packet view of src and dst */ 212 __be32 dst_ip[4]; 213 __be32 src_ip[4]; 214 __be16 src_port; 215 __be16 dst_port; 216 __be32 sctp_v_tag; 217 /* filter control */ 218 u16 q_index; 219 u8 flex_off; 220 u8 pctype; 221 u16 dest_vsi; 222 u8 dest_ctl; 223 u8 fd_status; 224 u16 cnt_index; 225 u32 fd_id; 226 }; 227 228 #define I40E_ETH_P_LLDP 0x88cc 229 230 #define I40E_DCB_PRIO_TYPE_STRICT 0 231 #define I40E_DCB_PRIO_TYPE_ETS 1 232 #define I40E_DCB_STRICT_PRIO_CREDITS 127 233 #define I40E_MAX_USER_PRIORITY 8 234 /* DCB per TC information data structure */ 235 struct i40e_tc_info { 236 u16 qoffset; /* Queue offset from base queue */ 237 u16 qcount; /* Total Queues */ 238 u8 netdev_tc; /* Netdev TC index if netdev associated */ 239 }; 240 241 /* TC configuration data structure */ 242 struct i40e_tc_configuration { 243 u8 numtc; /* Total number of enabled TCs */ 244 u8 enabled_tc; /* TC map */ 245 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 246 }; 247 248 struct i40e_udp_port_config { 249 __be16 index; 250 u8 type; 251 }; 252 253 /* struct that defines the Ethernet device */ 254 struct i40e_pf { 255 struct pci_dev *pdev; 256 struct i40e_hw hw; 257 unsigned long state; 258 struct msix_entry *msix_entries; 259 bool fc_autoneg_status; 260 261 u16 eeprom_version; 262 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 263 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 264 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 265 u16 num_req_vfs; /* num VFs requested for this VF */ 266 u16 num_vf_qps; /* num queue pairs per VF */ 267 #ifdef I40E_FCOE 268 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */ 269 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 270 #endif /* I40E_FCOE */ 271 u16 num_lan_qps; /* num lan queues this PF has set up */ 272 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 273 int queues_left; /* queues left unclaimed */ 274 u16 alloc_rss_size; /* allocated RSS queues */ 275 u16 rss_size_max; /* HW defined max RSS queues */ 276 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 277 u16 num_alloc_vsi; /* num VSIs this driver supports */ 278 u8 atr_sample_rate; 279 bool wol_en; 280 281 struct hlist_head fdir_filter_list; 282 u16 fdir_pf_active_filters; 283 unsigned long fd_flush_timestamp; 284 u32 fd_flush_cnt; 285 u32 fd_add_err; 286 u32 fd_atr_cnt; 287 u32 fd_tcp_rule; 288 289 struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 290 u16 pending_udp_bitmap; 291 292 enum i40e_interrupt_policy int_policy; 293 u16 rx_itr_default; 294 u16 tx_itr_default; 295 u32 msg_enable; 296 char int_name[I40E_INT_NAME_STR_LEN]; 297 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 298 unsigned long service_timer_period; 299 unsigned long service_timer_previous; 300 struct timer_list service_timer; 301 struct work_struct service_task; 302 303 u64 flags; 304 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1) 305 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2) 306 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3) 307 #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4) 308 #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5) 309 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6) 310 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7) 311 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8) 312 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9) 313 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10) 314 #ifdef I40E_FCOE 315 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11) 316 #endif /* I40E_FCOE */ 317 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13) 318 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14) 319 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15) 320 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17) 321 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18) 322 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19) 323 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20) 324 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21) 325 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22) 326 #define I40E_FLAG_PTP BIT_ULL(25) 327 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26) 328 #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27) 329 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28) 330 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29) 331 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31) 332 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32) 333 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33) 334 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34) 335 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35) 336 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37) 337 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38) 338 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39) 339 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) 340 #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41) 341 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42) 342 #define I40E_FLAG_PF_MAC BIT_ULL(50) 343 344 /* tracks features that get auto disabled by errors */ 345 u64 auto_disable_flags; 346 347 #ifdef I40E_FCOE 348 struct i40e_fcoe fcoe; 349 350 #endif /* I40E_FCOE */ 351 bool stat_offsets_loaded; 352 struct i40e_hw_port_stats stats; 353 struct i40e_hw_port_stats stats_offsets; 354 u32 tx_timeout_count; 355 u32 tx_timeout_recovery_level; 356 unsigned long tx_timeout_last_recovery; 357 u32 tx_sluggish_count; 358 u32 hw_csum_rx_error; 359 u32 led_status; 360 u16 corer_count; /* Core reset count */ 361 u16 globr_count; /* Global reset count */ 362 u16 empr_count; /* EMP reset count */ 363 u16 pfr_count; /* PF reset count */ 364 u16 sw_int_count; /* SW interrupt count */ 365 366 struct mutex switch_mutex; 367 u16 lan_vsi; /* our default LAN VSI */ 368 u16 lan_veb; /* initial relay, if exists */ 369 #define I40E_NO_VEB 0xffff 370 #define I40E_NO_VSI 0xffff 371 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 372 struct i40e_vsi **vsi; 373 struct i40e_veb *veb[I40E_MAX_VEB]; 374 375 struct i40e_lump_tracking *qp_pile; 376 struct i40e_lump_tracking *irq_pile; 377 378 /* switch config info */ 379 u16 pf_seid; 380 u16 main_vsi_seid; 381 u16 mac_seid; 382 struct kobject *switch_kobj; 383 #ifdef CONFIG_DEBUG_FS 384 struct dentry *i40e_dbg_pf; 385 #endif /* CONFIG_DEBUG_FS */ 386 bool cur_promisc; 387 388 u16 instance; /* A unique number per i40e_pf instance in the system */ 389 390 /* sr-iov config info */ 391 struct i40e_vf *vf; 392 int num_alloc_vfs; /* actual number of VFs allocated */ 393 u32 vf_aq_requests; 394 395 /* DCBx/DCBNL capability for PF that indicates 396 * whether DCBx is managed by firmware or host 397 * based agent (LLDPAD). Also, indicates what 398 * flavor of DCBx protocol (IEEE/CEE) is supported 399 * by the device. For now we're supporting IEEE 400 * mode only. 401 */ 402 u16 dcbx_cap; 403 404 u32 fcoe_hmc_filt_num; 405 u32 fcoe_hmc_cntx_num; 406 struct i40e_filter_control_settings filter_settings; 407 408 struct ptp_clock *ptp_clock; 409 struct ptp_clock_info ptp_caps; 410 struct sk_buff *ptp_tx_skb; 411 struct hwtstamp_config tstamp_config; 412 unsigned long last_rx_ptp_check; 413 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 414 u64 ptp_base_adj; 415 u32 tx_hwtstamp_timeouts; 416 u32 rx_hwtstamp_cleared; 417 bool ptp_tx; 418 bool ptp_rx; 419 u16 rss_table_size; /* HW RSS table size */ 420 /* These are only valid in NPAR modes */ 421 u32 npar_max_bw; 422 u32 npar_min_bw; 423 424 u32 ioremap_len; 425 u32 fd_inv; 426 }; 427 428 struct i40e_mac_filter { 429 struct list_head list; 430 u8 macaddr[ETH_ALEN]; 431 #define I40E_VLAN_ANY -1 432 s16 vlan; 433 u8 counter; /* number of instances of this filter */ 434 bool is_vf; /* filter belongs to a VF */ 435 bool is_netdev; /* filter belongs to a netdev */ 436 bool changed; /* filter needs to be sync'd to the HW */ 437 bool is_laa; /* filter is a Locally Administered Address */ 438 }; 439 440 struct i40e_veb { 441 struct i40e_pf *pf; 442 u16 idx; 443 u16 veb_idx; /* index of VEB parent */ 444 u16 seid; 445 u16 uplink_seid; 446 u16 stats_idx; /* index of VEB parent */ 447 u8 enabled_tc; 448 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 449 u16 flags; 450 u16 bw_limit; 451 u8 bw_max_quanta; 452 bool is_abs_credits; 453 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 454 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 455 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 456 struct kobject *kobj; 457 bool stat_offsets_loaded; 458 struct i40e_eth_stats stats; 459 struct i40e_eth_stats stats_offsets; 460 struct i40e_veb_tc_stats tc_stats; 461 struct i40e_veb_tc_stats tc_stats_offsets; 462 }; 463 464 /* struct that defines a VSI, associated with a dev */ 465 struct i40e_vsi { 466 struct net_device *netdev; 467 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 468 bool netdev_registered; 469 bool stat_offsets_loaded; 470 471 u32 current_netdev_flags; 472 unsigned long state; 473 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) 474 #define I40E_VSI_FLAG_VEB_OWNER BIT(1) 475 unsigned long flags; 476 477 /* Per VSI lock to protect elements/list (MAC filter) */ 478 spinlock_t mac_filter_list_lock; 479 struct list_head mac_filter_list; 480 481 /* VSI stats */ 482 struct rtnl_link_stats64 net_stats; 483 struct rtnl_link_stats64 net_stats_offsets; 484 struct i40e_eth_stats eth_stats; 485 struct i40e_eth_stats eth_stats_offsets; 486 #ifdef I40E_FCOE 487 struct i40e_fcoe_stats fcoe_stats; 488 struct i40e_fcoe_stats fcoe_stats_offsets; 489 bool fcoe_stat_offsets_loaded; 490 #endif 491 u32 tx_restart; 492 u32 tx_busy; 493 u64 tx_linearize; 494 u64 tx_force_wb; 495 u32 rx_buf_failed; 496 u32 rx_page_failed; 497 498 /* These are containers of ring pointers, allocated at run-time */ 499 struct i40e_ring **rx_rings; 500 struct i40e_ring **tx_rings; 501 502 u16 work_limit; 503 /* high bit set means dynamic, use accessor routines to read/write. 504 * hardware only supports 2us resolution for the ITR registers. 505 * these values always store the USER setting, and must be converted 506 * before programming to a register. 507 */ 508 u16 rx_itr_setting; 509 u16 tx_itr_setting; 510 u16 int_rate_limit; /* value in usecs */ 511 512 u16 rss_table_size; /* HW RSS table size */ 513 u16 rss_size; /* Allocated RSS queues */ 514 u8 *rss_hkey_user; /* User configured hash keys */ 515 u8 *rss_lut_user; /* User configured lookup table entries */ 516 517 u16 max_frame; 518 u16 rx_hdr_len; 519 u16 rx_buf_len; 520 u8 dtype; 521 522 /* List of q_vectors allocated to this VSI */ 523 struct i40e_q_vector **q_vectors; 524 int num_q_vectors; 525 int base_vector; 526 bool irqs_ready; 527 528 u16 seid; /* HW index of this VSI (absolute index) */ 529 u16 id; /* VSI number */ 530 u16 uplink_seid; 531 532 u16 base_queue; /* vsi's first queue in hw array */ 533 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 534 u16 req_queue_pairs; /* User requested queue pairs */ 535 u16 num_queue_pairs; /* Used tx and rx pairs */ 536 u16 num_desc; 537 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 538 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 539 540 struct i40e_tc_configuration tc_config; 541 struct i40e_aqc_vsi_properties_data info; 542 543 /* VSI BW limit (absolute across all TCs) */ 544 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 545 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 546 547 /* Relative TC credits across VSIs */ 548 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 549 /* TC BW limit credits within VSI */ 550 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 551 /* TC BW limit max quanta within VSI */ 552 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 553 554 struct i40e_pf *back; /* Backreference to associated PF */ 555 u16 idx; /* index in pf->vsi[] */ 556 u16 veb_idx; /* index of VEB parent */ 557 struct kobject *kobj; /* sysfs object */ 558 bool current_isup; /* Sync 'link up' logging */ 559 560 /* VSI specific handlers */ 561 irqreturn_t (*irq_handler)(int irq, void *data); 562 563 /* current rxnfc data */ 564 struct ethtool_rxnfc rxnfc; /* current rss hash opts */ 565 } ____cacheline_internodealigned_in_smp; 566 567 struct i40e_netdev_priv { 568 struct i40e_vsi *vsi; 569 }; 570 571 /* struct that defines an interrupt vector */ 572 struct i40e_q_vector { 573 struct i40e_vsi *vsi; 574 575 u16 v_idx; /* index in the vsi->q_vector array. */ 576 u16 reg_idx; /* register index of the interrupt */ 577 578 struct napi_struct napi; 579 580 struct i40e_ring_container rx; 581 struct i40e_ring_container tx; 582 583 u8 num_ringpairs; /* total number of ring pairs in vector */ 584 585 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */ 586 unsigned long hung_detected; /* Set/Reset for hung_detection logic */ 587 588 cpumask_t affinity_mask; 589 struct rcu_head rcu; /* to avoid race with update stats on free */ 590 char name[I40E_INT_NAME_STR_LEN]; 591 bool arm_wb_state; 592 #define ITR_COUNTDOWN_START 100 593 u8 itr_countdown; /* when 0 should adjust ITR */ 594 } ____cacheline_internodealigned_in_smp; 595 596 /* lan device */ 597 struct i40e_device { 598 struct list_head list; 599 struct i40e_pf *pf; 600 }; 601 602 /** 603 * i40e_nvm_version_str - format the NVM version strings 604 * @hw: ptr to the hardware info 605 **/ 606 static inline char *i40e_nvm_version_str(struct i40e_hw *hw) 607 { 608 static char buf[32]; 609 u32 full_ver; 610 u8 ver, patch; 611 u16 build; 612 613 full_ver = hw->nvm.oem_ver; 614 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); 615 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) & 616 I40E_OEM_VER_BUILD_MASK); 617 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); 618 619 snprintf(buf, sizeof(buf), 620 "%x.%02x 0x%x %d.%d.%d", 621 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 622 I40E_NVM_VERSION_HI_SHIFT, 623 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 624 I40E_NVM_VERSION_LO_SHIFT, 625 hw->nvm.eetrack, ver, build, patch); 626 627 return buf; 628 } 629 630 /** 631 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 632 * @netdev: the corresponding netdev 633 * 634 * Return the PF struct for the given netdev 635 **/ 636 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 637 { 638 struct i40e_netdev_priv *np = netdev_priv(netdev); 639 struct i40e_vsi *vsi = np->vsi; 640 641 return vsi->back; 642 } 643 644 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 645 irqreturn_t (*irq_handler)(int, void *)) 646 { 647 vsi->irq_handler = irq_handler; 648 } 649 650 /** 651 * i40e_rx_is_programming_status - check for programming status descriptor 652 * @qw: the first quad word of the program status descriptor 653 * 654 * The value of in the descriptor length field indicate if this 655 * is a programming status descriptor for flow director or FCoE 656 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 657 * it is a packet descriptor. 658 **/ 659 static inline bool i40e_rx_is_programming_status(u64 qw) 660 { 661 return I40E_RX_PROG_STATUS_DESC_LENGTH == 662 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 663 } 664 665 /** 666 * i40e_get_fd_cnt_all - get the total FD filter space available 667 * @pf: pointer to the PF struct 668 **/ 669 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 670 { 671 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 672 } 673 674 /* needed by i40e_ethtool.c */ 675 int i40e_up(struct i40e_vsi *vsi); 676 void i40e_down(struct i40e_vsi *vsi); 677 extern const char i40e_driver_name[]; 678 extern const char i40e_driver_version_str[]; 679 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 680 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 681 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 682 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 683 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 684 void i40e_update_stats(struct i40e_vsi *vsi); 685 void i40e_update_eth_stats(struct i40e_vsi *vsi); 686 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 687 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 688 bool printconfig); 689 690 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 691 struct i40e_pf *pf, bool add); 692 int i40e_add_del_fdir(struct i40e_vsi *vsi, 693 struct i40e_fdir_filter *input, bool add); 694 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 695 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 696 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 697 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 698 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 699 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 700 void i40e_set_ethtool_ops(struct net_device *netdev); 701 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 702 u8 *macaddr, s16 vlan, 703 bool is_vf, bool is_netdev); 704 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 705 bool is_vf, bool is_netdev); 706 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 707 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 708 u16 uplink, u32 param1); 709 int i40e_vsi_release(struct i40e_vsi *vsi); 710 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 711 struct i40e_vsi *start_vsi); 712 #ifdef I40E_FCOE 713 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 714 struct i40e_vsi_context *ctxt, 715 u8 enabled_tc, bool is_add); 716 #endif 717 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 718 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 719 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 720 u16 downlink_seid, u8 enabled_tc); 721 void i40e_veb_release(struct i40e_veb *veb); 722 723 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 724 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 725 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 726 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 727 void i40e_pf_reset_stats(struct i40e_pf *pf); 728 #ifdef CONFIG_DEBUG_FS 729 void i40e_dbg_pf_init(struct i40e_pf *pf); 730 void i40e_dbg_pf_exit(struct i40e_pf *pf); 731 void i40e_dbg_init(void); 732 void i40e_dbg_exit(void); 733 #else 734 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 735 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 736 static inline void i40e_dbg_init(void) {} 737 static inline void i40e_dbg_exit(void) {} 738 #endif /* CONFIG_DEBUG_FS*/ 739 /** 740 * i40e_irq_dynamic_enable - Enable default interrupt generation settings 741 * @vsi: pointer to a vsi 742 * @vector: enable a particular Hw Interrupt vector, without base_vector 743 **/ 744 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) 745 { 746 struct i40e_pf *pf = vsi->back; 747 struct i40e_hw *hw = &pf->hw; 748 u32 val; 749 750 val = I40E_PFINT_DYN_CTLN_INTENA_MASK | 751 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | 752 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); 753 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); 754 /* skip the flush */ 755 } 756 757 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 758 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 759 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 760 #ifdef I40E_FCOE 761 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 762 struct net_device *netdev, 763 struct rtnl_link_stats64 *storage); 764 int i40e_set_mac(struct net_device *netdev, void *p); 765 void i40e_set_rx_mode(struct net_device *netdev); 766 #endif 767 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 768 #ifdef I40E_FCOE 769 void i40e_tx_timeout(struct net_device *netdev); 770 int i40e_vlan_rx_add_vid(struct net_device *netdev, 771 __always_unused __be16 proto, u16 vid); 772 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 773 __always_unused __be16 proto, u16 vid); 774 #endif 775 int i40e_open(struct net_device *netdev); 776 int i40e_vsi_open(struct i40e_vsi *vsi); 777 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 778 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 779 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 780 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 781 bool is_vf, bool is_netdev); 782 int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, u8 *macaddr, 783 bool is_vf, bool is_netdev); 784 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 785 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 786 bool is_vf, bool is_netdev); 787 #ifdef I40E_FCOE 788 int i40e_close(struct net_device *netdev); 789 int i40e_setup_tc(struct net_device *netdev, u8 tc); 790 void i40e_netpoll(struct net_device *netdev); 791 int i40e_fcoe_enable(struct net_device *netdev); 792 int i40e_fcoe_disable(struct net_device *netdev); 793 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 794 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 795 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 796 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 797 void i40e_init_pf_fcoe(struct i40e_pf *pf); 798 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 799 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 800 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 801 union i40e_rx_desc *rx_desc, 802 struct sk_buff *skb); 803 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 804 union i40e_rx_desc *rx_desc, u8 prog_id); 805 #endif /* I40E_FCOE */ 806 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 807 #ifdef CONFIG_I40E_DCB 808 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 809 struct i40e_dcbx_config *old_cfg, 810 struct i40e_dcbx_config *new_cfg); 811 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 812 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 813 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 814 struct i40e_dcbx_config *old_cfg, 815 struct i40e_dcbx_config *new_cfg); 816 #endif /* CONFIG_I40E_DCB */ 817 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 818 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 819 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 820 void i40e_ptp_set_increment(struct i40e_pf *pf); 821 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 822 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 823 void i40e_ptp_init(struct i40e_pf *pf); 824 void i40e_ptp_stop(struct i40e_pf *pf); 825 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 826 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); 827 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); 828 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); 829 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); 830 #endif /* _I40E_H_ */ 831