1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2014 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/slab.h> 40 #include <linux/list.h> 41 #include <linux/string.h> 42 #include <linux/in.h> 43 #include <linux/ip.h> 44 #include <linux/tcp.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/clocksource.h> 53 #include <linux/net_tstamp.h> 54 #include <linux/ptp_clock_kernel.h> 55 #include "i40e_type.h" 56 #include "i40e_prototype.h" 57 #ifdef I40E_FCOE 58 #include "i40e_fcoe.h" 59 #endif 60 #include "i40e_virtchnl.h" 61 #include "i40e_virtchnl_pf.h" 62 #include "i40e_txrx.h" 63 #include "i40e_dcb.h" 64 65 /* Useful i40e defaults */ 66 #define I40E_BASE_PF_SEID 16 67 #define I40E_BASE_VSI_SEID 512 68 #define I40E_BASE_VEB_SEID 288 69 #define I40E_MAX_VEB 16 70 71 #define I40E_MAX_NUM_DESCRIPTORS 4096 72 #define I40E_MAX_REGISTER 0x800000 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 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */ 79 #define I40E_DEFAULT_QUEUES_PER_VMDQ 2 /* max 16 qps */ 80 #define I40E_DEFAULT_QUEUES_PER_VF 4 81 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ 82 #define I40E_MAX_QUEUES_PER_TC 64 /* should be a power of 2 */ 83 #define I40E_FDIR_RING 0 84 #define I40E_FDIR_RING_COUNT 32 85 #ifdef I40E_FCOE 86 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */ 87 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */ 88 #endif /* I40E_FCOE */ 89 #define I40E_MAX_AQ_BUF_SIZE 4096 90 #define I40E_AQ_LEN 256 91 #define I40E_AQ_WORK_LIMIT 32 92 #define I40E_MAX_USER_PRIORITY 8 93 #define I40E_DEFAULT_MSG_ENABLE 4 94 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 95 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 9) 96 97 #define I40E_NVM_VERSION_LO_SHIFT 0 98 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 99 #define I40E_NVM_VERSION_HI_SHIFT 12 100 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 101 102 /* The values in here are decimal coded as hex as is the case in the NVM map*/ 103 #define I40E_CURRENT_NVM_VERSION_HI 0x2 104 #define I40E_CURRENT_NVM_VERSION_LO 0x40 105 106 /* magic for getting defines into strings */ 107 #define STRINGIFY(foo) #foo 108 #define XSTRINGIFY(bar) STRINGIFY(bar) 109 110 #define I40E_RX_DESC(R, i) \ 111 ((ring_is_16byte_desc_enabled(R)) \ 112 ? (union i40e_32byte_rx_desc *) \ 113 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \ 114 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))) 115 #define I40E_TX_DESC(R, i) \ 116 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 117 #define I40E_TX_CTXTDESC(R, i) \ 118 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 119 #define I40E_TX_FDIRDESC(R, i) \ 120 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 121 122 /* default to trying for four seconds */ 123 #define I40E_TRY_LINK_TIMEOUT (4 * HZ) 124 125 /* driver state flags */ 126 enum i40e_state_t { 127 __I40E_TESTING, 128 __I40E_CONFIG_BUSY, 129 __I40E_CONFIG_DONE, 130 __I40E_DOWN, 131 __I40E_NEEDS_RESTART, 132 __I40E_SERVICE_SCHED, 133 __I40E_ADMINQ_EVENT_PENDING, 134 __I40E_MDD_EVENT_PENDING, 135 __I40E_VFLR_EVENT_PENDING, 136 __I40E_RESET_RECOVERY_PENDING, 137 __I40E_RESET_INTR_RECEIVED, 138 __I40E_REINIT_REQUESTED, 139 __I40E_PF_RESET_REQUESTED, 140 __I40E_CORE_RESET_REQUESTED, 141 __I40E_GLOBAL_RESET_REQUESTED, 142 __I40E_EMP_RESET_REQUESTED, 143 __I40E_FILTER_OVERFLOW_PROMISC, 144 __I40E_SUSPENDED, 145 __I40E_PTP_TX_IN_PROGRESS, 146 __I40E_BAD_EEPROM, 147 __I40E_DOWN_REQUESTED, 148 __I40E_FD_FLUSH_REQUESTED, 149 __I40E_RESET_FAILED, 150 __I40E_PORT_TX_SUSPENDED, 151 __I40E_VF_DISABLE, 152 }; 153 154 enum i40e_interrupt_policy { 155 I40E_INTERRUPT_BEST_CASE, 156 I40E_INTERRUPT_MEDIUM, 157 I40E_INTERRUPT_LOWEST 158 }; 159 160 struct i40e_lump_tracking { 161 u16 num_entries; 162 u16 search_hint; 163 u16 list[0]; 164 #define I40E_PILE_VALID_BIT 0x8000 165 }; 166 167 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 168 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 169 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 170 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 171 172 enum i40e_fd_stat_idx { 173 I40E_FD_STAT_ATR, 174 I40E_FD_STAT_SB, 175 I40E_FD_STAT_PF_COUNT 176 }; 177 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 178 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 179 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 180 #define I40E_FD_SB_STAT_IDX(pf_id) \ 181 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 182 183 struct i40e_fdir_filter { 184 struct hlist_node fdir_node; 185 /* filter ipnut set */ 186 u8 flow_type; 187 u8 ip4_proto; 188 /* TX packet view of src and dst */ 189 __be32 dst_ip[4]; 190 __be32 src_ip[4]; 191 __be16 src_port; 192 __be16 dst_port; 193 __be32 sctp_v_tag; 194 /* filter control */ 195 u16 q_index; 196 u8 flex_off; 197 u8 pctype; 198 u16 dest_vsi; 199 u8 dest_ctl; 200 u8 fd_status; 201 u16 cnt_index; 202 u32 fd_id; 203 }; 204 205 #define I40E_ETH_P_LLDP 0x88cc 206 207 #define I40E_DCB_PRIO_TYPE_STRICT 0 208 #define I40E_DCB_PRIO_TYPE_ETS 1 209 #define I40E_DCB_STRICT_PRIO_CREDITS 127 210 #define I40E_MAX_USER_PRIORITY 8 211 /* DCB per TC information data structure */ 212 struct i40e_tc_info { 213 u16 qoffset; /* Queue offset from base queue */ 214 u16 qcount; /* Total Queues */ 215 u8 netdev_tc; /* Netdev TC index if netdev associated */ 216 }; 217 218 /* TC configuration data structure */ 219 struct i40e_tc_configuration { 220 u8 numtc; /* Total number of enabled TCs */ 221 u8 enabled_tc; /* TC map */ 222 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 223 }; 224 225 /* struct that defines the Ethernet device */ 226 struct i40e_pf { 227 struct pci_dev *pdev; 228 struct i40e_hw hw; 229 unsigned long state; 230 unsigned long link_check_timeout; 231 struct msix_entry *msix_entries; 232 bool fc_autoneg_status; 233 234 u16 eeprom_version; 235 u16 num_vmdq_vsis; /* num vmdq vsis this pf has set up */ 236 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 237 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 238 u16 num_req_vfs; /* num vfs requested for this vf */ 239 u16 num_vf_qps; /* num queue pairs per vf */ 240 #ifdef I40E_FCOE 241 u16 num_fcoe_qps; /* num fcoe queues this pf has set up */ 242 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 243 #endif /* I40E_FCOE */ 244 u16 num_lan_qps; /* num lan queues this pf has set up */ 245 u16 num_lan_msix; /* num queue vectors for the base pf vsi */ 246 int queues_left; /* queues left unclaimed */ 247 u16 rss_size; /* num queues in the RSS array */ 248 u16 rss_size_max; /* HW defined max RSS queues */ 249 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 250 u16 num_alloc_vsi; /* num VSIs this driver supports */ 251 u8 atr_sample_rate; 252 bool wol_en; 253 254 struct hlist_head fdir_filter_list; 255 u16 fdir_pf_active_filters; 256 u16 fd_sb_cnt_idx; 257 u16 fd_atr_cnt_idx; 258 unsigned long fd_flush_timestamp; 259 u32 fd_flush_cnt; 260 u32 fd_add_err; 261 u32 fd_atr_cnt; 262 u32 fd_tcp_rule; 263 264 #ifdef CONFIG_I40E_VXLAN 265 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 266 u16 pending_vxlan_bitmap; 267 268 #endif 269 enum i40e_interrupt_policy int_policy; 270 u16 rx_itr_default; 271 u16 tx_itr_default; 272 u16 msg_enable; 273 char int_name[I40E_INT_NAME_STR_LEN]; 274 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 275 unsigned long service_timer_period; 276 unsigned long service_timer_previous; 277 struct timer_list service_timer; 278 struct work_struct service_task; 279 280 u64 flags; 281 #define I40E_FLAG_RX_CSUM_ENABLED (u64)(1 << 1) 282 #define I40E_FLAG_MSI_ENABLED (u64)(1 << 2) 283 #define I40E_FLAG_MSIX_ENABLED (u64)(1 << 3) 284 #define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4) 285 #define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5) 286 #define I40E_FLAG_RSS_ENABLED (u64)(1 << 6) 287 #define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7) 288 #define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8) 289 #define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9) 290 #ifdef I40E_FCOE 291 #define I40E_FLAG_FCOE_ENABLED (u64)(1 << 11) 292 #endif /* I40E_FCOE */ 293 #define I40E_FLAG_IN_NETPOLL (u64)(1 << 12) 294 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13) 295 #define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14) 296 #define I40E_FLAG_FILTER_SYNC (u64)(1 << 15) 297 #define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17) 298 #define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18) 299 #define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19) 300 #define I40E_FLAG_DCB_ENABLED (u64)(1 << 20) 301 #define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21) 302 #define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22) 303 #define I40E_FLAG_PTP (u64)(1 << 25) 304 #define I40E_FLAG_MFP_ENABLED (u64)(1 << 26) 305 #ifdef CONFIG_I40E_VXLAN 306 #define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27) 307 #endif 308 #define I40E_FLAG_PORT_ID_VALID (u64)(1 << 28) 309 #define I40E_FLAG_DCB_CAPABLE (u64)(1 << 29) 310 311 /* tracks features that get auto disabled by errors */ 312 u64 auto_disable_flags; 313 314 #ifdef I40E_FCOE 315 struct i40e_fcoe fcoe; 316 317 #endif /* I40E_FCOE */ 318 bool stat_offsets_loaded; 319 struct i40e_hw_port_stats stats; 320 struct i40e_hw_port_stats stats_offsets; 321 u32 tx_timeout_count; 322 u32 tx_timeout_recovery_level; 323 unsigned long tx_timeout_last_recovery; 324 u32 tx_sluggish_count; 325 u32 hw_csum_rx_error; 326 u32 led_status; 327 u16 corer_count; /* Core reset count */ 328 u16 globr_count; /* Global reset count */ 329 u16 empr_count; /* EMP reset count */ 330 u16 pfr_count; /* PF reset count */ 331 u16 sw_int_count; /* SW interrupt count */ 332 333 struct mutex switch_mutex; 334 u16 lan_vsi; /* our default LAN VSI */ 335 u16 lan_veb; /* initial relay, if exists */ 336 #define I40E_NO_VEB 0xffff 337 #define I40E_NO_VSI 0xffff 338 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 339 struct i40e_vsi **vsi; 340 struct i40e_veb *veb[I40E_MAX_VEB]; 341 342 struct i40e_lump_tracking *qp_pile; 343 struct i40e_lump_tracking *irq_pile; 344 345 /* switch config info */ 346 u16 pf_seid; 347 u16 main_vsi_seid; 348 u16 mac_seid; 349 struct kobject *switch_kobj; 350 #ifdef CONFIG_DEBUG_FS 351 struct dentry *i40e_dbg_pf; 352 #endif /* CONFIG_DEBUG_FS */ 353 354 u16 instance; /* A unique number per i40e_pf instance in the system */ 355 356 /* sr-iov config info */ 357 struct i40e_vf *vf; 358 int num_alloc_vfs; /* actual number of VFs allocated */ 359 u32 vf_aq_requests; 360 361 /* DCBx/DCBNL capability for PF that indicates 362 * whether DCBx is managed by firmware or host 363 * based agent (LLDPAD). Also, indicates what 364 * flavor of DCBx protocol (IEEE/CEE) is supported 365 * by the device. For now we're supporting IEEE 366 * mode only. 367 */ 368 u16 dcbx_cap; 369 370 u32 fcoe_hmc_filt_num; 371 u32 fcoe_hmc_cntx_num; 372 struct i40e_filter_control_settings filter_settings; 373 374 struct ptp_clock *ptp_clock; 375 struct ptp_clock_info ptp_caps; 376 struct sk_buff *ptp_tx_skb; 377 struct hwtstamp_config tstamp_config; 378 unsigned long last_rx_ptp_check; 379 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 380 u64 ptp_base_adj; 381 u32 tx_hwtstamp_timeouts; 382 u32 rx_hwtstamp_cleared; 383 bool ptp_tx; 384 bool ptp_rx; 385 u16 rss_table_size; 386 }; 387 388 struct i40e_mac_filter { 389 struct list_head list; 390 u8 macaddr[ETH_ALEN]; 391 #define I40E_VLAN_ANY -1 392 s16 vlan; 393 u8 counter; /* number of instances of this filter */ 394 bool is_vf; /* filter belongs to a VF */ 395 bool is_netdev; /* filter belongs to a netdev */ 396 bool changed; /* filter needs to be sync'd to the HW */ 397 bool is_laa; /* filter is a Locally Administered Address */ 398 }; 399 400 struct i40e_veb { 401 struct i40e_pf *pf; 402 u16 idx; 403 u16 veb_idx; /* index of VEB parent */ 404 u16 seid; 405 u16 uplink_seid; 406 u16 stats_idx; /* index of VEB parent */ 407 u8 enabled_tc; 408 u16 flags; 409 u16 bw_limit; 410 u8 bw_max_quanta; 411 bool is_abs_credits; 412 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 413 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 414 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 415 struct kobject *kobj; 416 bool stat_offsets_loaded; 417 struct i40e_eth_stats stats; 418 struct i40e_eth_stats stats_offsets; 419 }; 420 421 /* struct that defines a VSI, associated with a dev */ 422 struct i40e_vsi { 423 struct net_device *netdev; 424 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 425 bool netdev_registered; 426 bool stat_offsets_loaded; 427 428 u32 current_netdev_flags; 429 unsigned long state; 430 #define I40E_VSI_FLAG_FILTER_CHANGED (1<<0) 431 #define I40E_VSI_FLAG_VEB_OWNER (1<<1) 432 unsigned long flags; 433 434 struct list_head mac_filter_list; 435 436 /* VSI stats */ 437 struct rtnl_link_stats64 net_stats; 438 struct rtnl_link_stats64 net_stats_offsets; 439 struct i40e_eth_stats eth_stats; 440 struct i40e_eth_stats eth_stats_offsets; 441 #ifdef I40E_FCOE 442 struct i40e_fcoe_stats fcoe_stats; 443 struct i40e_fcoe_stats fcoe_stats_offsets; 444 bool fcoe_stat_offsets_loaded; 445 #endif 446 u32 tx_restart; 447 u32 tx_busy; 448 u32 rx_buf_failed; 449 u32 rx_page_failed; 450 451 /* These are containers of ring pointers, allocated at run-time */ 452 struct i40e_ring **rx_rings; 453 struct i40e_ring **tx_rings; 454 455 u16 work_limit; 456 /* high bit set means dynamic, use accessor routines to read/write. 457 * hardware only supports 2us resolution for the ITR registers. 458 * these values always store the USER setting, and must be converted 459 * before programming to a register. 460 */ 461 u16 rx_itr_setting; 462 u16 tx_itr_setting; 463 464 u16 max_frame; 465 u16 rx_hdr_len; 466 u16 rx_buf_len; 467 u8 dtype; 468 469 /* List of q_vectors allocated to this VSI */ 470 struct i40e_q_vector **q_vectors; 471 int num_q_vectors; 472 int base_vector; 473 bool irqs_ready; 474 475 u16 seid; /* HW index of this VSI (absolute index) */ 476 u16 id; /* VSI number */ 477 u16 uplink_seid; 478 479 u16 base_queue; /* vsi's first queue in hw array */ 480 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 481 u16 num_queue_pairs; /* Used tx and rx pairs */ 482 u16 num_desc; 483 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 484 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 485 486 struct i40e_tc_configuration tc_config; 487 struct i40e_aqc_vsi_properties_data info; 488 489 /* VSI BW limit (absolute across all TCs) */ 490 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 491 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 492 493 /* Relative TC credits across VSIs */ 494 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 495 /* TC BW limit credits within VSI */ 496 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 497 /* TC BW limit max quanta within VSI */ 498 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 499 500 struct i40e_pf *back; /* Backreference to associated PF */ 501 u16 idx; /* index in pf->vsi[] */ 502 u16 veb_idx; /* index of VEB parent */ 503 struct kobject *kobj; /* sysfs object */ 504 505 /* VSI specific handlers */ 506 irqreturn_t (*irq_handler)(int irq, void *data); 507 } ____cacheline_internodealigned_in_smp; 508 509 struct i40e_netdev_priv { 510 struct i40e_vsi *vsi; 511 }; 512 513 /* struct that defines an interrupt vector */ 514 struct i40e_q_vector { 515 struct i40e_vsi *vsi; 516 517 u16 v_idx; /* index in the vsi->q_vector array. */ 518 u16 reg_idx; /* register index of the interrupt */ 519 520 struct napi_struct napi; 521 522 struct i40e_ring_container rx; 523 struct i40e_ring_container tx; 524 525 u8 num_ringpairs; /* total number of ring pairs in vector */ 526 527 cpumask_t affinity_mask; 528 struct rcu_head rcu; /* to avoid race with update stats on free */ 529 char name[I40E_INT_NAME_STR_LEN]; 530 } ____cacheline_internodealigned_in_smp; 531 532 /* lan device */ 533 struct i40e_device { 534 struct list_head list; 535 struct i40e_pf *pf; 536 }; 537 538 /** 539 * i40e_fw_version_str - format the FW and NVM version strings 540 * @hw: ptr to the hardware info 541 **/ 542 static inline char *i40e_fw_version_str(struct i40e_hw *hw) 543 { 544 static char buf[32]; 545 546 snprintf(buf, sizeof(buf), 547 "f%d.%d a%d.%d n%02x.%02x e%08x", 548 hw->aq.fw_maj_ver, hw->aq.fw_min_ver, 549 hw->aq.api_maj_ver, hw->aq.api_min_ver, 550 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 551 I40E_NVM_VERSION_HI_SHIFT, 552 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 553 I40E_NVM_VERSION_LO_SHIFT, 554 hw->nvm.eetrack); 555 556 return buf; 557 } 558 559 /** 560 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 561 * @netdev: the corresponding netdev 562 * 563 * Return the PF struct for the given netdev 564 **/ 565 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 566 { 567 struct i40e_netdev_priv *np = netdev_priv(netdev); 568 struct i40e_vsi *vsi = np->vsi; 569 570 return vsi->back; 571 } 572 573 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 574 irqreturn_t (*irq_handler)(int, void *)) 575 { 576 vsi->irq_handler = irq_handler; 577 } 578 579 /** 580 * i40e_rx_is_programming_status - check for programming status descriptor 581 * @qw: the first quad word of the program status descriptor 582 * 583 * The value of in the descriptor length field indicate if this 584 * is a programming status descriptor for flow director or FCoE 585 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 586 * it is a packet descriptor. 587 **/ 588 static inline bool i40e_rx_is_programming_status(u64 qw) 589 { 590 return I40E_RX_PROG_STATUS_DESC_LENGTH == 591 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 592 } 593 594 /** 595 * i40e_get_fd_cnt_all - get the total FD filter space available 596 * @pf: pointer to the pf struct 597 **/ 598 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 599 { 600 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 601 } 602 603 /* needed by i40e_ethtool.c */ 604 int i40e_up(struct i40e_vsi *vsi); 605 void i40e_down(struct i40e_vsi *vsi); 606 extern const char i40e_driver_name[]; 607 extern const char i40e_driver_version_str[]; 608 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 609 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 610 void i40e_update_stats(struct i40e_vsi *vsi); 611 void i40e_update_eth_stats(struct i40e_vsi *vsi); 612 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 613 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 614 bool printconfig); 615 616 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 617 struct i40e_pf *pf, bool add); 618 int i40e_add_del_fdir(struct i40e_vsi *vsi, 619 struct i40e_fdir_filter *input, bool add); 620 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 621 int i40e_get_current_fd_count(struct i40e_pf *pf); 622 int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 623 int i40e_get_current_atr_cnt(struct i40e_pf *pf); 624 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 625 void i40e_set_ethtool_ops(struct net_device *netdev); 626 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 627 u8 *macaddr, s16 vlan, 628 bool is_vf, bool is_netdev); 629 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 630 bool is_vf, bool is_netdev); 631 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 632 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 633 u16 uplink, u32 param1); 634 int i40e_vsi_release(struct i40e_vsi *vsi); 635 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 636 struct i40e_vsi *start_vsi); 637 #ifdef I40E_FCOE 638 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 639 struct i40e_vsi_context *ctxt, 640 u8 enabled_tc, bool is_add); 641 #endif 642 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 643 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 644 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 645 u16 downlink_seid, u8 enabled_tc); 646 void i40e_veb_release(struct i40e_veb *veb); 647 648 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 649 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 650 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 651 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 652 void i40e_pf_reset_stats(struct i40e_pf *pf); 653 #ifdef CONFIG_DEBUG_FS 654 void i40e_dbg_pf_init(struct i40e_pf *pf); 655 void i40e_dbg_pf_exit(struct i40e_pf *pf); 656 void i40e_dbg_init(void); 657 void i40e_dbg_exit(void); 658 #else 659 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 660 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 661 static inline void i40e_dbg_init(void) {} 662 static inline void i40e_dbg_exit(void) {} 663 #endif /* CONFIG_DEBUG_FS*/ 664 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); 665 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 666 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 667 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 668 #ifdef I40E_FCOE 669 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 670 struct net_device *netdev, 671 struct rtnl_link_stats64 *storage); 672 int i40e_set_mac(struct net_device *netdev, void *p); 673 void i40e_set_rx_mode(struct net_device *netdev); 674 #endif 675 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 676 #ifdef I40E_FCOE 677 void i40e_tx_timeout(struct net_device *netdev); 678 int i40e_vlan_rx_add_vid(struct net_device *netdev, 679 __always_unused __be16 proto, u16 vid); 680 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 681 __always_unused __be16 proto, u16 vid); 682 #endif 683 int i40e_vsi_open(struct i40e_vsi *vsi); 684 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 685 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 686 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 687 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 688 bool is_vf, bool is_netdev); 689 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 690 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 691 bool is_vf, bool is_netdev); 692 #ifdef I40E_FCOE 693 int i40e_open(struct net_device *netdev); 694 int i40e_close(struct net_device *netdev); 695 int i40e_setup_tc(struct net_device *netdev, u8 tc); 696 void i40e_netpoll(struct net_device *netdev); 697 int i40e_fcoe_enable(struct net_device *netdev); 698 int i40e_fcoe_disable(struct net_device *netdev); 699 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 700 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 701 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 702 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 703 int i40e_init_pf_fcoe(struct i40e_pf *pf); 704 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 705 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 706 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 707 union i40e_rx_desc *rx_desc, 708 struct sk_buff *skb); 709 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 710 union i40e_rx_desc *rx_desc, u8 prog_id); 711 #endif /* I40E_FCOE */ 712 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 713 #ifdef CONFIG_I40E_DCB 714 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 715 struct i40e_dcbx_config *new_cfg); 716 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 717 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 718 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 719 struct i40e_dcbx_config *old_cfg, 720 struct i40e_dcbx_config *new_cfg); 721 #endif /* CONFIG_I40E_DCB */ 722 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 723 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 724 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 725 void i40e_ptp_set_increment(struct i40e_pf *pf); 726 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 727 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 728 void i40e_ptp_init(struct i40e_pf *pf); 729 void i40e_ptp_stop(struct i40e_pf *pf); 730 #endif /* _I40E_H_ */ 731