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