1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2016 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/hashtable.h> 43 #include <linux/string.h> 44 #include <linux/in.h> 45 #include <linux/ip.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_client.h" 63 #include "i40e_virtchnl.h" 64 #include "i40e_virtchnl_pf.h" 65 #include "i40e_txrx.h" 66 #include "i40e_dcb.h" 67 68 /* Useful i40e defaults */ 69 #define I40E_MAX_VEB 16 70 71 #define I40E_MAX_NUM_DESCRIPTORS 4096 72 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) 73 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 74 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 75 #define I40E_MIN_NUM_DESCRIPTORS 64 76 #define I40E_MIN_MSIX 2 77 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ 78 #define I40E_MIN_VSI_ALLOC 83 /* LAN, ATR, FCOE, 64 VF */ 79 /* max 16 qps */ 80 #define i40e_default_queues_per_vmdq(pf) \ 81 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1) 82 #define I40E_DEFAULT_QUEUES_PER_VF 4 83 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ 84 #define i40e_pf_get_max_q_per_tc(pf) \ 85 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64) 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 66 /* max number of VFs + a little */ 95 #define I40E_MAX_USER_PRIORITY 8 96 #define I40E_DEFAULT_TRAFFIC_CLASS BIT(0) 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_MFP_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_HW_ATR_EVICT BIT(4) 107 #define I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT BIT(5) 108 109 #define I40E_NVM_VERSION_LO_SHIFT 0 110 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 111 #define I40E_NVM_VERSION_HI_SHIFT 12 112 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 113 #define I40E_OEM_VER_BUILD_MASK 0xffff 114 #define I40E_OEM_VER_PATCH_MASK 0xff 115 #define I40E_OEM_VER_BUILD_SHIFT 8 116 #define I40E_OEM_VER_SHIFT 24 117 #define I40E_PHY_DEBUG_ALL \ 118 (I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \ 119 I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW) 120 121 /* The values in here are decimal coded as hex as is the case in the NVM map*/ 122 #define I40E_CURRENT_NVM_VERSION_HI 0x2 123 #define I40E_CURRENT_NVM_VERSION_LO 0x40 124 125 #define I40E_RX_DESC(R, i) \ 126 (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])) 127 #define I40E_TX_DESC(R, i) \ 128 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 129 #define I40E_TX_CTXTDESC(R, i) \ 130 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 131 #define I40E_TX_FDIRDESC(R, i) \ 132 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 133 134 /* default to trying for four seconds */ 135 #define I40E_TRY_LINK_TIMEOUT (4 * HZ) 136 137 /** 138 * i40e_is_mac_710 - Return true if MAC is X710/XL710 139 * @hw: ptr to the hardware info 140 **/ 141 static inline bool i40e_is_mac_710(struct i40e_hw *hw) 142 { 143 if ((hw->mac.type == I40E_MAC_X710) || 144 (hw->mac.type == I40E_MAC_XL710)) 145 return true; 146 147 return false; 148 } 149 150 /* driver state flags */ 151 enum i40e_state_t { 152 __I40E_TESTING, 153 __I40E_CONFIG_BUSY, 154 __I40E_CONFIG_DONE, 155 __I40E_DOWN, 156 __I40E_NEEDS_RESTART, 157 __I40E_SERVICE_SCHED, 158 __I40E_ADMINQ_EVENT_PENDING, 159 __I40E_MDD_EVENT_PENDING, 160 __I40E_VFLR_EVENT_PENDING, 161 __I40E_RESET_RECOVERY_PENDING, 162 __I40E_RESET_INTR_RECEIVED, 163 __I40E_REINIT_REQUESTED, 164 __I40E_PF_RESET_REQUESTED, 165 __I40E_CORE_RESET_REQUESTED, 166 __I40E_GLOBAL_RESET_REQUESTED, 167 __I40E_EMP_RESET_REQUESTED, 168 __I40E_EMP_RESET_INTR_RECEIVED, 169 __I40E_FILTER_OVERFLOW_PROMISC, 170 __I40E_SUSPENDED, 171 __I40E_PTP_TX_IN_PROGRESS, 172 __I40E_BAD_EEPROM, 173 __I40E_DOWN_REQUESTED, 174 __I40E_FD_FLUSH_REQUESTED, 175 __I40E_RESET_FAILED, 176 __I40E_PORT_TX_SUSPENDED, 177 __I40E_VF_DISABLE, 178 }; 179 180 enum i40e_interrupt_policy { 181 I40E_INTERRUPT_BEST_CASE, 182 I40E_INTERRUPT_MEDIUM, 183 I40E_INTERRUPT_LOWEST 184 }; 185 186 struct i40e_lump_tracking { 187 u16 num_entries; 188 u16 search_hint; 189 u16 list[0]; 190 #define I40E_PILE_VALID_BIT 0x8000 191 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2) 192 }; 193 194 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 195 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 196 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 197 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 198 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) 199 200 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) 201 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 202 #define I40E_VF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4) 203 204 enum i40e_fd_stat_idx { 205 I40E_FD_STAT_ATR, 206 I40E_FD_STAT_SB, 207 I40E_FD_STAT_ATR_TUNNEL, 208 I40E_FD_STAT_PF_COUNT 209 }; 210 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 211 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 212 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 213 #define I40E_FD_SB_STAT_IDX(pf_id) \ 214 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 215 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ 216 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) 217 218 struct i40e_fdir_filter { 219 struct hlist_node fdir_node; 220 /* filter ipnut set */ 221 u8 flow_type; 222 u8 ip4_proto; 223 /* TX packet view of src and dst */ 224 __be32 dst_ip[4]; 225 __be32 src_ip[4]; 226 __be16 src_port; 227 __be16 dst_port; 228 __be32 sctp_v_tag; 229 /* filter control */ 230 u16 q_index; 231 u8 flex_off; 232 u8 pctype; 233 u16 dest_vsi; 234 u8 dest_ctl; 235 u8 fd_status; 236 u16 cnt_index; 237 u32 fd_id; 238 }; 239 240 #define I40E_ETH_P_LLDP 0x88cc 241 242 #define I40E_DCB_PRIO_TYPE_STRICT 0 243 #define I40E_DCB_PRIO_TYPE_ETS 1 244 #define I40E_DCB_STRICT_PRIO_CREDITS 127 245 /* DCB per TC information data structure */ 246 struct i40e_tc_info { 247 u16 qoffset; /* Queue offset from base queue */ 248 u16 qcount; /* Total Queues */ 249 u8 netdev_tc; /* Netdev TC index if netdev associated */ 250 }; 251 252 /* TC configuration data structure */ 253 struct i40e_tc_configuration { 254 u8 numtc; /* Total number of enabled TCs */ 255 u8 enabled_tc; /* TC map */ 256 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 257 }; 258 259 struct i40e_udp_port_config { 260 __be16 index; 261 u8 type; 262 }; 263 264 /* struct that defines the Ethernet device */ 265 struct i40e_pf { 266 struct pci_dev *pdev; 267 struct i40e_hw hw; 268 unsigned long state; 269 struct msix_entry *msix_entries; 270 bool fc_autoneg_status; 271 272 u16 eeprom_version; 273 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 274 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 275 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 276 u16 num_req_vfs; /* num VFs requested for this VF */ 277 u16 num_vf_qps; /* num queue pairs per VF */ 278 #ifdef I40E_FCOE 279 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */ 280 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 281 #endif /* I40E_FCOE */ 282 u16 num_lan_qps; /* num lan queues this PF has set up */ 283 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 284 u16 num_fdsb_msix; /* num queue vectors for sideband Fdir */ 285 u16 num_iwarp_msix; /* num of iwarp vectors for this PF */ 286 int iwarp_base_vector; 287 int queues_left; /* queues left unclaimed */ 288 u16 alloc_rss_size; /* allocated RSS queues */ 289 u16 rss_size_max; /* HW defined max RSS queues */ 290 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 291 u16 num_alloc_vsi; /* num VSIs this driver supports */ 292 u8 atr_sample_rate; 293 bool wol_en; 294 295 struct hlist_head fdir_filter_list; 296 u16 fdir_pf_active_filters; 297 unsigned long fd_flush_timestamp; 298 u32 fd_flush_cnt; 299 u32 fd_add_err; 300 u32 fd_atr_cnt; 301 u32 fd_tcp_rule; 302 303 struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 304 u16 pending_udp_bitmap; 305 306 enum i40e_interrupt_policy int_policy; 307 u16 rx_itr_default; 308 u16 tx_itr_default; 309 u32 msg_enable; 310 char int_name[I40E_INT_NAME_STR_LEN]; 311 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 312 unsigned long service_timer_period; 313 unsigned long service_timer_previous; 314 struct timer_list service_timer; 315 struct work_struct service_task; 316 317 u64 flags; 318 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1) 319 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2) 320 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3) 321 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6) 322 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7) 323 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8) 324 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9) 325 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10) 326 #ifdef I40E_FCOE 327 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11) 328 #endif /* I40E_FCOE */ 329 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14) 330 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15) 331 #define I40E_FLAG_SERVICE_CLIENT_REQUESTED BIT_ULL(16) 332 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17) 333 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18) 334 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19) 335 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20) 336 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21) 337 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22) 338 #define I40E_FLAG_PTP BIT_ULL(25) 339 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26) 340 #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27) 341 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28) 342 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29) 343 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31) 344 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32) 345 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33) 346 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34) 347 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35) 348 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37) 349 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38) 350 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39) 351 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) 352 #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41) 353 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42) 354 #define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43) 355 #define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44) 356 #define I40E_FLAG_NO_DCB_SUPPORT BIT_ULL(45) 357 #define I40E_FLAG_USE_SET_LLDP_MIB BIT_ULL(46) 358 #define I40E_FLAG_STOP_FW_LLDP BIT_ULL(47) 359 #define I40E_FLAG_PHY_CONTROLS_LEDS BIT_ULL(48) 360 #define I40E_FLAG_PF_MAC BIT_ULL(50) 361 #define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT_ULL(51) 362 #define I40E_FLAG_HAVE_CRT_RETIMER BIT_ULL(52) 363 #define I40E_FLAG_PTP_L4_CAPABLE BIT_ULL(53) 364 365 /* tracks features that get auto disabled by errors */ 366 u64 auto_disable_flags; 367 368 #ifdef I40E_FCOE 369 struct i40e_fcoe fcoe; 370 371 #endif /* I40E_FCOE */ 372 bool stat_offsets_loaded; 373 struct i40e_hw_port_stats stats; 374 struct i40e_hw_port_stats stats_offsets; 375 u32 tx_timeout_count; 376 u32 tx_timeout_recovery_level; 377 unsigned long tx_timeout_last_recovery; 378 u32 tx_sluggish_count; 379 u32 hw_csum_rx_error; 380 u32 led_status; 381 u16 corer_count; /* Core reset count */ 382 u16 globr_count; /* Global reset count */ 383 u16 empr_count; /* EMP reset count */ 384 u16 pfr_count; /* PF reset count */ 385 u16 sw_int_count; /* SW interrupt count */ 386 387 struct mutex switch_mutex; 388 u16 lan_vsi; /* our default LAN VSI */ 389 u16 lan_veb; /* initial relay, if exists */ 390 #define I40E_NO_VEB 0xffff 391 #define I40E_NO_VSI 0xffff 392 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 393 struct i40e_vsi **vsi; 394 struct i40e_veb *veb[I40E_MAX_VEB]; 395 396 struct i40e_lump_tracking *qp_pile; 397 struct i40e_lump_tracking *irq_pile; 398 399 /* switch config info */ 400 u16 pf_seid; 401 u16 main_vsi_seid; 402 u16 mac_seid; 403 struct kobject *switch_kobj; 404 #ifdef CONFIG_DEBUG_FS 405 struct dentry *i40e_dbg_pf; 406 #endif /* CONFIG_DEBUG_FS */ 407 bool cur_promisc; 408 409 u16 instance; /* A unique number per i40e_pf instance in the system */ 410 411 /* sr-iov config info */ 412 struct i40e_vf *vf; 413 int num_alloc_vfs; /* actual number of VFs allocated */ 414 u32 vf_aq_requests; 415 u32 arq_overflows; /* Not fatal, possibly indicative of problems */ 416 417 /* DCBx/DCBNL capability for PF that indicates 418 * whether DCBx is managed by firmware or host 419 * based agent (LLDPAD). Also, indicates what 420 * flavor of DCBx protocol (IEEE/CEE) is supported 421 * by the device. For now we're supporting IEEE 422 * mode only. 423 */ 424 u16 dcbx_cap; 425 426 u32 fcoe_hmc_filt_num; 427 u32 fcoe_hmc_cntx_num; 428 struct i40e_filter_control_settings filter_settings; 429 430 struct ptp_clock *ptp_clock; 431 struct ptp_clock_info ptp_caps; 432 struct sk_buff *ptp_tx_skb; 433 struct hwtstamp_config tstamp_config; 434 struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */ 435 u64 ptp_base_adj; 436 u32 tx_hwtstamp_timeouts; 437 u32 rx_hwtstamp_cleared; 438 u32 latch_event_flags; 439 spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */ 440 unsigned long latch_events[4]; 441 bool ptp_tx; 442 bool ptp_rx; 443 u16 rss_table_size; /* HW RSS table size */ 444 /* These are only valid in NPAR modes */ 445 u32 npar_max_bw; 446 u32 npar_min_bw; 447 448 u32 ioremap_len; 449 u32 fd_inv; 450 u16 phy_led_val; 451 }; 452 453 /** 454 * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key 455 * @macaddr: the MAC Address as the base key 456 * 457 * Simply copies the address and returns it as a u64 for hashing 458 **/ 459 static inline u64 i40e_addr_to_hkey(const u8 *macaddr) 460 { 461 u64 key = 0; 462 463 ether_addr_copy((u8 *)&key, macaddr); 464 return key; 465 } 466 467 enum i40e_filter_state { 468 I40E_FILTER_INVALID = 0, /* Invalid state */ 469 I40E_FILTER_NEW, /* New, not sent to FW yet */ 470 I40E_FILTER_ACTIVE, /* Added to switch by FW */ 471 I40E_FILTER_FAILED, /* Rejected by FW */ 472 I40E_FILTER_REMOVE, /* To be removed */ 473 /* There is no 'removed' state; the filter struct is freed */ 474 }; 475 struct i40e_mac_filter { 476 struct hlist_node hlist; 477 u8 macaddr[ETH_ALEN]; 478 #define I40E_VLAN_ANY -1 479 s16 vlan; 480 enum i40e_filter_state state; 481 }; 482 483 struct i40e_veb { 484 struct i40e_pf *pf; 485 u16 idx; 486 u16 veb_idx; /* index of VEB parent */ 487 u16 seid; 488 u16 uplink_seid; 489 u16 stats_idx; /* index of VEB parent */ 490 u8 enabled_tc; 491 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 492 u16 flags; 493 u16 bw_limit; 494 u8 bw_max_quanta; 495 bool is_abs_credits; 496 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 497 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 498 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 499 struct kobject *kobj; 500 bool stat_offsets_loaded; 501 struct i40e_eth_stats stats; 502 struct i40e_eth_stats stats_offsets; 503 struct i40e_veb_tc_stats tc_stats; 504 struct i40e_veb_tc_stats tc_stats_offsets; 505 }; 506 507 /* struct that defines a VSI, associated with a dev */ 508 struct i40e_vsi { 509 struct net_device *netdev; 510 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 511 bool netdev_registered; 512 bool stat_offsets_loaded; 513 514 u32 current_netdev_flags; 515 unsigned long state; 516 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) 517 #define I40E_VSI_FLAG_VEB_OWNER BIT(1) 518 unsigned long flags; 519 520 /* Per VSI lock to protect elements/hash (MAC filter) */ 521 spinlock_t mac_filter_hash_lock; 522 /* Fixed size hash table with 2^8 buckets for MAC filters */ 523 DECLARE_HASHTABLE(mac_filter_hash, 8); 524 bool has_vlan_filter; 525 526 /* VSI stats */ 527 struct rtnl_link_stats64 net_stats; 528 struct rtnl_link_stats64 net_stats_offsets; 529 struct i40e_eth_stats eth_stats; 530 struct i40e_eth_stats eth_stats_offsets; 531 #ifdef I40E_FCOE 532 struct i40e_fcoe_stats fcoe_stats; 533 struct i40e_fcoe_stats fcoe_stats_offsets; 534 bool fcoe_stat_offsets_loaded; 535 #endif 536 u32 tx_restart; 537 u32 tx_busy; 538 u64 tx_linearize; 539 u64 tx_force_wb; 540 u64 tx_lost_interrupt; 541 u32 rx_buf_failed; 542 u32 rx_page_failed; 543 544 /* These are containers of ring pointers, allocated at run-time */ 545 struct i40e_ring **rx_rings; 546 struct i40e_ring **tx_rings; 547 548 u32 active_filters; 549 u32 promisc_threshold; 550 551 u16 work_limit; 552 u16 int_rate_limit; /* value in usecs */ 553 554 u16 rss_table_size; /* HW RSS table size */ 555 u16 rss_size; /* Allocated RSS queues */ 556 u8 *rss_hkey_user; /* User configured hash keys */ 557 u8 *rss_lut_user; /* User configured lookup table entries */ 558 559 560 u16 max_frame; 561 u16 rx_buf_len; 562 563 /* List of q_vectors allocated to this VSI */ 564 struct i40e_q_vector **q_vectors; 565 int num_q_vectors; 566 int base_vector; 567 bool irqs_ready; 568 569 u16 seid; /* HW index of this VSI (absolute index) */ 570 u16 id; /* VSI number */ 571 u16 uplink_seid; 572 573 u16 base_queue; /* vsi's first queue in hw array */ 574 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 575 u16 req_queue_pairs; /* User requested queue pairs */ 576 u16 num_queue_pairs; /* Used tx and rx pairs */ 577 u16 num_desc; 578 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 579 s16 vf_id; /* Virtual function ID for SRIOV VSIs */ 580 581 struct i40e_tc_configuration tc_config; 582 struct i40e_aqc_vsi_properties_data info; 583 584 /* VSI BW limit (absolute across all TCs) */ 585 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 586 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 587 588 /* Relative TC credits across VSIs */ 589 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 590 /* TC BW limit credits within VSI */ 591 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 592 /* TC BW limit max quanta within VSI */ 593 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 594 595 struct i40e_pf *back; /* Backreference to associated PF */ 596 u16 idx; /* index in pf->vsi[] */ 597 u16 veb_idx; /* index of VEB parent */ 598 struct kobject *kobj; /* sysfs object */ 599 bool current_isup; /* Sync 'link up' logging */ 600 enum i40e_aq_link_speed current_speed; /* Sync link speed logging */ 601 602 void *priv; /* client driver data reference. */ 603 604 /* VSI specific handlers */ 605 irqreturn_t (*irq_handler)(int irq, void *data); 606 } ____cacheline_internodealigned_in_smp; 607 608 struct i40e_netdev_priv { 609 struct i40e_vsi *vsi; 610 }; 611 612 /* struct that defines an interrupt vector */ 613 struct i40e_q_vector { 614 struct i40e_vsi *vsi; 615 616 u16 v_idx; /* index in the vsi->q_vector array. */ 617 u16 reg_idx; /* register index of the interrupt */ 618 619 struct napi_struct napi; 620 621 struct i40e_ring_container rx; 622 struct i40e_ring_container tx; 623 624 u8 num_ringpairs; /* total number of ring pairs in vector */ 625 626 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */ 627 unsigned long hung_detected; /* Set/Reset for hung_detection logic */ 628 629 cpumask_t affinity_mask; 630 struct irq_affinity_notify affinity_notify; 631 632 struct rcu_head rcu; /* to avoid race with update stats on free */ 633 char name[I40E_INT_NAME_STR_LEN]; 634 bool arm_wb_state; 635 #define ITR_COUNTDOWN_START 100 636 u8 itr_countdown; /* when 0 should adjust ITR */ 637 } ____cacheline_internodealigned_in_smp; 638 639 /* lan device */ 640 struct i40e_device { 641 struct list_head list; 642 struct i40e_pf *pf; 643 }; 644 645 /** 646 * i40e_nvm_version_str - format the NVM version strings 647 * @hw: ptr to the hardware info 648 **/ 649 static inline char *i40e_nvm_version_str(struct i40e_hw *hw) 650 { 651 static char buf[32]; 652 u32 full_ver; 653 u8 ver, patch; 654 u16 build; 655 656 full_ver = hw->nvm.oem_ver; 657 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); 658 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) & 659 I40E_OEM_VER_BUILD_MASK); 660 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); 661 662 snprintf(buf, sizeof(buf), 663 "%x.%02x 0x%x %d.%d.%d", 664 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 665 I40E_NVM_VERSION_HI_SHIFT, 666 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 667 I40E_NVM_VERSION_LO_SHIFT, 668 hw->nvm.eetrack, ver, build, patch); 669 670 return buf; 671 } 672 673 /** 674 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 675 * @netdev: the corresponding netdev 676 * 677 * Return the PF struct for the given netdev 678 **/ 679 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 680 { 681 struct i40e_netdev_priv *np = netdev_priv(netdev); 682 struct i40e_vsi *vsi = np->vsi; 683 684 return vsi->back; 685 } 686 687 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 688 irqreturn_t (*irq_handler)(int, void *)) 689 { 690 vsi->irq_handler = irq_handler; 691 } 692 693 /** 694 * i40e_rx_is_programming_status - check for programming status descriptor 695 * @qw: the first quad word of the program status descriptor 696 * 697 * The value of in the descriptor length field indicate if this 698 * is a programming status descriptor for flow director or FCoE 699 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 700 * it is a packet descriptor. 701 **/ 702 static inline bool i40e_rx_is_programming_status(u64 qw) 703 { 704 return I40E_RX_PROG_STATUS_DESC_LENGTH == 705 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 706 } 707 708 /** 709 * i40e_get_fd_cnt_all - get the total FD filter space available 710 * @pf: pointer to the PF struct 711 **/ 712 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 713 { 714 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 715 } 716 717 /* needed by i40e_ethtool.c */ 718 int i40e_up(struct i40e_vsi *vsi); 719 void i40e_down(struct i40e_vsi *vsi); 720 extern const char i40e_driver_name[]; 721 extern const char i40e_driver_version_str[]; 722 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 723 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 724 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 725 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 726 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut, 727 u16 rss_table_size, u16 rss_size); 728 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 729 /** 730 * i40e_find_vsi_by_type - Find and return Flow Director VSI 731 * @pf: PF to search for VSI 732 * @type: Value indicating type of VSI we are looking for 733 **/ 734 static inline struct i40e_vsi * 735 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type) 736 { 737 int i; 738 739 for (i = 0; i < pf->num_alloc_vsi; i++) { 740 struct i40e_vsi *vsi = pf->vsi[i]; 741 742 if (vsi && vsi->type == type) 743 return vsi; 744 } 745 746 return NULL; 747 } 748 void i40e_update_stats(struct i40e_vsi *vsi); 749 void i40e_update_eth_stats(struct i40e_vsi *vsi); 750 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 751 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 752 bool printconfig); 753 754 int i40e_add_del_fdir(struct i40e_vsi *vsi, 755 struct i40e_fdir_filter *input, bool add); 756 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 757 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 758 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 759 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 760 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 761 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 762 void i40e_set_ethtool_ops(struct net_device *netdev); 763 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 764 const u8 *macaddr, s16 vlan); 765 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan); 766 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 767 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 768 u16 uplink, u32 param1); 769 int i40e_vsi_release(struct i40e_vsi *vsi); 770 #ifdef I40E_FCOE 771 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 772 struct i40e_vsi_context *ctxt, 773 u8 enabled_tc, bool is_add); 774 #endif 775 void i40e_service_event_schedule(struct i40e_pf *pf); 776 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, 777 u8 *msg, u16 len); 778 779 int i40e_vsi_start_rings(struct i40e_vsi *vsi); 780 void i40e_vsi_stop_rings(struct i40e_vsi *vsi); 781 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 782 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 783 u16 downlink_seid, u8 enabled_tc); 784 void i40e_veb_release(struct i40e_veb *veb); 785 786 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 787 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 788 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 789 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 790 void i40e_pf_reset_stats(struct i40e_pf *pf); 791 #ifdef CONFIG_DEBUG_FS 792 void i40e_dbg_pf_init(struct i40e_pf *pf); 793 void i40e_dbg_pf_exit(struct i40e_pf *pf); 794 void i40e_dbg_init(void); 795 void i40e_dbg_exit(void); 796 #else 797 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 798 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 799 static inline void i40e_dbg_init(void) {} 800 static inline void i40e_dbg_exit(void) {} 801 #endif /* CONFIG_DEBUG_FS*/ 802 /* needed by client drivers */ 803 int i40e_lan_add_device(struct i40e_pf *pf); 804 int i40e_lan_del_device(struct i40e_pf *pf); 805 void i40e_client_subtask(struct i40e_pf *pf); 806 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi); 807 void i40e_notify_client_of_netdev_open(struct i40e_vsi *vsi); 808 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset); 809 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs); 810 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id); 811 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id, 812 enum i40e_client_type type); 813 /** 814 * i40e_irq_dynamic_enable - Enable default interrupt generation settings 815 * @vsi: pointer to a vsi 816 * @vector: enable a particular Hw Interrupt vector, without base_vector 817 **/ 818 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) 819 { 820 struct i40e_pf *pf = vsi->back; 821 struct i40e_hw *hw = &pf->hw; 822 u32 val; 823 824 /* definitely clear the PBA here, as this function is meant to 825 * clean out all previous interrupts AND enable the interrupt 826 */ 827 val = I40E_PFINT_DYN_CTLN_INTENA_MASK | 828 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | 829 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); 830 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); 831 /* skip the flush */ 832 } 833 834 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 835 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba); 836 #ifdef I40E_FCOE 837 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 838 struct net_device *netdev, 839 struct rtnl_link_stats64 *storage); 840 int i40e_set_mac(struct net_device *netdev, void *p); 841 void i40e_set_rx_mode(struct net_device *netdev); 842 #endif 843 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 844 #ifdef I40E_FCOE 845 void i40e_tx_timeout(struct net_device *netdev); 846 int i40e_vlan_rx_add_vid(struct net_device *netdev, 847 __always_unused __be16 proto, u16 vid); 848 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 849 __always_unused __be16 proto, u16 vid); 850 #endif 851 int i40e_open(struct net_device *netdev); 852 int i40e_close(struct net_device *netdev); 853 int i40e_vsi_open(struct i40e_vsi *vsi); 854 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 855 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); 856 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 857 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); 858 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 859 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, 860 const u8 *macaddr); 861 int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, const u8 *macaddr); 862 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 863 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr); 864 #ifdef I40E_FCOE 865 int __i40e_setup_tc(struct net_device *netdev, u32 handle, __be16 proto, 866 struct tc_to_netdev *tc); 867 void i40e_netpoll(struct net_device *netdev); 868 int i40e_fcoe_enable(struct net_device *netdev); 869 int i40e_fcoe_disable(struct net_device *netdev); 870 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 871 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 872 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 873 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 874 void i40e_init_pf_fcoe(struct i40e_pf *pf); 875 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 876 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 877 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 878 union i40e_rx_desc *rx_desc, 879 struct sk_buff *skb); 880 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 881 union i40e_rx_desc *rx_desc, u8 prog_id); 882 #endif /* I40E_FCOE */ 883 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 884 #ifdef CONFIG_I40E_DCB 885 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 886 struct i40e_dcbx_config *old_cfg, 887 struct i40e_dcbx_config *new_cfg); 888 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 889 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 890 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 891 struct i40e_dcbx_config *old_cfg, 892 struct i40e_dcbx_config *new_cfg); 893 #endif /* CONFIG_I40E_DCB */ 894 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 895 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 896 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 897 void i40e_ptp_set_increment(struct i40e_pf *pf); 898 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 899 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 900 void i40e_ptp_init(struct i40e_pf *pf); 901 void i40e_ptp_stop(struct i40e_pf *pf); 902 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 903 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); 904 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); 905 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); 906 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); 907 #endif /* _I40E_H_ */ 908