1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 2013 - 2018 Intel Corporation. */ 3 4 #ifndef _IAVF_H_ 5 #define _IAVF_H_ 6 7 #include <linux/module.h> 8 #include <linux/pci.h> 9 #include <linux/netdevice.h> 10 #include <linux/vmalloc.h> 11 #include <linux/interrupt.h> 12 #include <linux/ethtool.h> 13 #include <linux/if_vlan.h> 14 #include <linux/ip.h> 15 #include <linux/tcp.h> 16 #include <linux/sctp.h> 17 #include <linux/ipv6.h> 18 #include <linux/kernel.h> 19 #include <linux/bitops.h> 20 #include <linux/timer.h> 21 #include <linux/workqueue.h> 22 #include <linux/wait.h> 23 #include <linux/delay.h> 24 #include <linux/gfp.h> 25 #include <linux/skbuff.h> 26 #include <linux/dma-mapping.h> 27 #include <linux/etherdevice.h> 28 #include <linux/socket.h> 29 #include <linux/jiffies.h> 30 #include <net/ip6_checksum.h> 31 #include <net/pkt_cls.h> 32 #include <net/pkt_sched.h> 33 #include <net/udp.h> 34 #include <net/tc_act/tc_gact.h> 35 #include <net/tc_act/tc_mirred.h> 36 #include <net/tc_act/tc_skbedit.h> 37 38 #include "iavf_type.h" 39 #include <linux/avf/virtchnl.h> 40 #include "iavf_txrx.h" 41 #include "iavf_fdir.h" 42 #include "iavf_adv_rss.h" 43 #include <linux/bitmap.h> 44 45 #define DEFAULT_DEBUG_LEVEL_SHIFT 3 46 #define PFX "iavf: " 47 48 int iavf_status_to_errno(enum iavf_status status); 49 int virtchnl_status_to_errno(enum virtchnl_status_code v_status); 50 51 /* VSI state flags shared with common code */ 52 enum iavf_vsi_state_t { 53 __IAVF_VSI_DOWN, 54 /* This must be last as it determines the size of the BITMAP */ 55 __IAVF_VSI_STATE_SIZE__, 56 }; 57 58 /* dummy struct to make common code less painful */ 59 struct iavf_vsi { 60 struct iavf_adapter *back; 61 struct net_device *netdev; 62 u16 seid; 63 u16 id; 64 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__); 65 int base_vector; 66 u16 qs_handle; 67 }; 68 69 /* How many Rx Buffers do we bundle into one write to the hardware ? */ 70 #define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */ 71 #define IAVF_DEFAULT_TXD 512 72 #define IAVF_DEFAULT_RXD 512 73 #define IAVF_MAX_TXD 4096 74 #define IAVF_MIN_TXD 64 75 #define IAVF_MAX_RXD 4096 76 #define IAVF_MIN_RXD 64 77 #define IAVF_REQ_DESCRIPTOR_MULTIPLE 32 78 #define IAVF_MAX_AQ_BUF_SIZE 4096 79 #define IAVF_AQ_LEN 32 80 #define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */ 81 82 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) 83 84 #define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i])) 85 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i])) 86 #define IAVF_TX_CTXTDESC(R, i) \ 87 (&(((struct iavf_tx_context_desc *)((R)->desc))[i])) 88 #define IAVF_MAX_REQ_QUEUES 16 89 90 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4) 91 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4) 92 #define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */ 93 #define IAVF_MBPS_QUANTA 50 94 95 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE \ 96 virtchnl_struct_size((struct virtchnl_vf_resource *)NULL, \ 97 vsi_res, IAVF_MAX_VF_VSI) 98 99 /* MAX_MSIX_Q_VECTORS of these are allocated, 100 * but we only use one per queue-specific vector. 101 */ 102 struct iavf_q_vector { 103 struct iavf_adapter *adapter; 104 struct iavf_vsi *vsi; 105 struct napi_struct napi; 106 struct iavf_ring_container rx; 107 struct iavf_ring_container tx; 108 u32 ring_mask; 109 u8 itr_countdown; /* when 0 should adjust adaptive ITR */ 110 u8 num_ringpairs; /* total number of ring pairs in vector */ 111 u16 v_idx; /* index in the vsi->q_vector array. */ 112 u16 reg_idx; /* register index of the interrupt */ 113 char name[IFNAMSIZ + 15]; 114 bool arm_wb_state; 115 cpumask_t affinity_mask; 116 struct irq_affinity_notify affinity_notify; 117 }; 118 119 /* Helper macros to switch between ints/sec and what the register uses. 120 * And yes, it's the same math going both ways. The lowest value 121 * supported by all of the iavf hardware is 8. 122 */ 123 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \ 124 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8) 125 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG 126 127 #define IAVF_DESC_UNUSED(R) \ 128 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ 129 (R)->next_to_clean - (R)->next_to_use - 1) 130 131 #define OTHER_VECTOR 1 132 #define NONQ_VECS (OTHER_VECTOR) 133 134 #define MIN_MSIX_Q_VECTORS 1 135 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS) 136 137 #define IAVF_QUEUE_END_OF_LIST 0x7FF 138 #define IAVF_FREE_VECTOR 0x7FFF 139 struct iavf_mac_filter { 140 struct list_head list; 141 u8 macaddr[ETH_ALEN]; 142 struct { 143 u8 is_new_mac:1; /* filter is new, wait for PF decision */ 144 u8 remove:1; /* filter needs to be removed */ 145 u8 add:1; /* filter needs to be added */ 146 u8 is_primary:1; /* filter is a default VF MAC */ 147 u8 add_handled:1; /* received response for filter add */ 148 u8 padding:3; 149 }; 150 }; 151 152 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid }) 153 struct iavf_vlan { 154 u16 vid; 155 u16 tpid; 156 }; 157 158 enum iavf_vlan_state_t { 159 IAVF_VLAN_INVALID, 160 IAVF_VLAN_ADD, /* filter needs to be added */ 161 IAVF_VLAN_IS_NEW, /* filter is new, wait for PF answer */ 162 IAVF_VLAN_ACTIVE, /* filter is accepted by PF */ 163 IAVF_VLAN_DISABLE, /* filter needs to be deleted by PF, then marked INACTIVE */ 164 IAVF_VLAN_INACTIVE, /* filter is inactive, we are in IFF_DOWN */ 165 IAVF_VLAN_REMOVE, /* filter needs to be removed from list */ 166 }; 167 168 struct iavf_vlan_filter { 169 struct list_head list; 170 struct iavf_vlan vlan; 171 enum iavf_vlan_state_t state; 172 }; 173 174 #define IAVF_MAX_TRAFFIC_CLASS 4 175 /* State of traffic class creation */ 176 enum iavf_tc_state_t { 177 __IAVF_TC_INVALID, /* no traffic class, default state */ 178 __IAVF_TC_RUNNING, /* traffic classes have been created */ 179 }; 180 181 /* channel info */ 182 struct iavf_channel_config { 183 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS]; 184 enum iavf_tc_state_t state; 185 u8 total_qps; 186 }; 187 188 /* State of cloud filter */ 189 enum iavf_cloud_filter_state_t { 190 __IAVF_CF_INVALID, /* cloud filter not added */ 191 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */ 192 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */ 193 __IAVF_CF_ACTIVE, /* cloud filter is active */ 194 }; 195 196 /* Driver state. The order of these is important! */ 197 enum iavf_state_t { 198 __IAVF_STARTUP, /* driver loaded, probe complete */ 199 __IAVF_REMOVE, /* driver is being unloaded */ 200 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */ 201 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */ 202 __IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */ 203 __IAVF_INIT_CONFIG_ADAPTER, 204 __IAVF_INIT_SW, /* got resources, setting up structs */ 205 __IAVF_INIT_FAILED, /* init failed, restarting procedure */ 206 __IAVF_RESETTING, /* in reset */ 207 __IAVF_COMM_FAILED, /* communication with PF failed */ 208 /* Below here, watchdog is running */ 209 __IAVF_DOWN, /* ready, can be opened */ 210 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */ 211 __IAVF_TESTING, /* in ethtool self-test */ 212 __IAVF_RUNNING, /* opened, working */ 213 }; 214 215 enum iavf_critical_section_t { 216 __IAVF_IN_REMOVE_TASK, /* device being removed */ 217 }; 218 219 #define IAVF_CLOUD_FIELD_OMAC 0x01 220 #define IAVF_CLOUD_FIELD_IMAC 0x02 221 #define IAVF_CLOUD_FIELD_IVLAN 0x04 222 #define IAVF_CLOUD_FIELD_TEN_ID 0x08 223 #define IAVF_CLOUD_FIELD_IIP 0x10 224 225 #define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC 226 #define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC 227 #define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\ 228 IAVF_CLOUD_FIELD_IVLAN) 229 #define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\ 230 IAVF_CLOUD_FIELD_TEN_ID) 231 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\ 232 IAVF_CLOUD_FIELD_IMAC |\ 233 IAVF_CLOUD_FIELD_TEN_ID) 234 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\ 235 IAVF_CLOUD_FIELD_IVLAN |\ 236 IAVF_CLOUD_FIELD_TEN_ID) 237 #define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP 238 239 /* bookkeeping of cloud filters */ 240 struct iavf_cloud_filter { 241 enum iavf_cloud_filter_state_t state; 242 struct list_head list; 243 struct virtchnl_filter f; 244 unsigned long cookie; 245 bool del; /* filter needs to be deleted */ 246 bool add; /* filter needs to be added */ 247 }; 248 249 #define IAVF_RESET_WAIT_MS 10 250 #define IAVF_RESET_WAIT_DETECTED_COUNT 500 251 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000 252 253 /* board specific private data structure */ 254 struct iavf_adapter { 255 struct workqueue_struct *wq; 256 struct work_struct reset_task; 257 struct work_struct adminq_task; 258 struct work_struct finish_config; 259 wait_queue_head_t down_waitqueue; 260 wait_queue_head_t reset_waitqueue; 261 wait_queue_head_t vc_waitqueue; 262 struct iavf_q_vector *q_vectors; 263 struct list_head vlan_filter_list; 264 int num_vlan_filters; 265 struct list_head mac_filter_list; 266 struct mutex crit_lock; 267 /* Lock to protect accesses to MAC and VLAN lists */ 268 spinlock_t mac_vlan_list_lock; 269 char misc_vector_name[IFNAMSIZ + 9]; 270 int num_active_queues; 271 int num_req_queues; 272 273 /* TX */ 274 struct iavf_ring *tx_rings; 275 u32 tx_timeout_count; 276 u32 tx_desc_count; 277 278 /* RX */ 279 struct iavf_ring *rx_rings; 280 u64 hw_csum_rx_error; 281 u32 rx_desc_count; 282 int num_msix_vectors; 283 struct msix_entry *msix_entries; 284 285 u32 flags; 286 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0) 287 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3) 288 #define IAVF_FLAG_RESET_PENDING BIT(4) 289 #define IAVF_FLAG_RESET_NEEDED BIT(5) 290 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6) 291 /* BIT(15) is free, was IAVF_FLAG_LEGACY_RX */ 292 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16) 293 #define IAVF_FLAG_QUEUES_DISABLED BIT(17) 294 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18) 295 #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20) 296 #define IAVF_FLAG_FDIR_ENABLED BIT(21) 297 /* duplicates for common code */ 298 #define IAVF_FLAG_DCB_ENABLED 0 299 /* flags for admin queue service task */ 300 u64 aq_required; 301 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0) 302 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1) 303 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2) 304 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3) 305 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4) 306 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5) 307 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6) 308 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7) 309 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8) 310 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */ 311 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10) 312 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */ 313 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11) 314 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12) 315 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13) 316 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14) 317 #define IAVF_FLAG_AQ_SET_RSS_HFUNC BIT_ULL(15) 318 #define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE BIT_ULL(16) 319 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19) 320 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20) 321 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21) 322 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22) 323 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23) 324 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24) 325 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25) 326 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26) 327 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27) 328 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28) 329 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29) 330 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30) 331 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31) 332 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32) 333 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33) 334 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34) 335 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35) 336 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36) 337 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37) 338 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38) 339 340 /* flags for processing extended capability messages during 341 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires 342 * both a SEND and a RECV step, which must be processed in sequence. 343 * 344 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will 345 * process one flag at a time during each state loop. 346 */ 347 u64 extended_caps; 348 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0) 349 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1) 350 351 #define IAVF_EXTENDED_CAPS \ 352 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \ 353 IAVF_EXTENDED_CAP_RECV_VLAN_V2) 354 355 /* Lock to prevent possible clobbering of 356 * current_netdev_promisc_flags 357 */ 358 spinlock_t current_netdev_promisc_flags_lock; 359 netdev_features_t current_netdev_promisc_flags; 360 361 /* OS defined structs */ 362 struct net_device *netdev; 363 struct pci_dev *pdev; 364 365 struct iavf_hw hw; /* defined in iavf_type.h */ 366 367 enum iavf_state_t state; 368 enum iavf_state_t last_state; 369 unsigned long crit_section; 370 371 struct delayed_work watchdog_task; 372 bool link_up; 373 enum virtchnl_link_speed link_speed; 374 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set 375 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if 376 * this field is valid. This field should be used going forward and the 377 * enum virtchnl_link_speed above should be considered the legacy way of 378 * storing/communicating link speeds. 379 */ 380 u32 link_speed_mbps; 381 382 enum virtchnl_ops current_op; 383 /* RSS by the PF should be preferred over RSS via other methods. */ 384 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \ 385 VIRTCHNL_VF_OFFLOAD_RSS_PF) 386 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \ 387 VIRTCHNL_VF_OFFLOAD_RSS_AQ) 388 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \ 389 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \ 390 VIRTCHNL_VF_OFFLOAD_RSS_PF))) 391 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 392 VIRTCHNL_VF_OFFLOAD_VLAN) 393 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 394 VIRTCHNL_VF_OFFLOAD_VLAN_V2) 395 #define CRC_OFFLOAD_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 396 VIRTCHNL_VF_OFFLOAD_CRC) 397 #define TC_U32_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 398 VIRTCHNL_VF_OFFLOAD_TC_U32) 399 #define VLAN_V2_FILTERING_ALLOWED(_a) \ 400 (VLAN_V2_ALLOWED((_a)) && \ 401 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \ 402 (_a)->vlan_v2_caps.filtering.filtering_support.inner)) 403 #define VLAN_FILTERING_ALLOWED(_a) \ 404 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a))) 405 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 406 VIRTCHNL_VF_CAP_ADV_LINK_SPEED) 407 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 408 VIRTCHNL_VF_OFFLOAD_FDIR_PF) 409 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 410 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) 411 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */ 412 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */ 413 struct virtchnl_version_info pf_version; 414 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \ 415 ((_a)->pf_version.minor == 1)) 416 struct virtchnl_vlan_caps vlan_v2_caps; 417 u16 msg_enable; 418 struct iavf_eth_stats current_stats; 419 struct iavf_vsi vsi; 420 u32 aq_wait_count; 421 /* RSS stuff */ 422 enum virtchnl_rss_algorithm hfunc; 423 u64 hena; 424 u16 rss_key_size; 425 u16 rss_lut_size; 426 u8 *rss_key; 427 u8 *rss_lut; 428 /* ADQ related members */ 429 struct iavf_channel_config ch_config; 430 u8 num_tc; 431 struct list_head cloud_filter_list; 432 /* lock to protect access to the cloud filter list */ 433 spinlock_t cloud_filter_list_lock; 434 u16 num_cloud_filters; 435 /* snapshot of "num_active_queues" before setup_tc for qdisc add 436 * is invoked. This information is useful during qdisc del flow, 437 * to restore correct number of queues 438 */ 439 int orig_num_active_queues; 440 441 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */ 442 u16 fdir_active_fltr; 443 u16 raw_fdir_active_fltr; 444 struct list_head fdir_list_head; 445 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */ 446 447 struct list_head adv_rss_list_head; 448 spinlock_t adv_rss_lock; /* protect the RSS management list */ 449 }; 450 451 /* Must be called with fdir_fltr_lock lock held */ 452 static inline bool iavf_fdir_max_reached(struct iavf_adapter *adapter) 453 { 454 return adapter->fdir_active_fltr + adapter->raw_fdir_active_fltr >= 455 IAVF_MAX_FDIR_FILTERS; 456 } 457 458 static inline void 459 iavf_inc_fdir_active_fltr(struct iavf_adapter *adapter, 460 struct iavf_fdir_fltr *fltr) 461 { 462 if (iavf_is_raw_fdir(fltr)) 463 adapter->raw_fdir_active_fltr++; 464 else 465 adapter->fdir_active_fltr++; 466 } 467 468 static inline void 469 iavf_dec_fdir_active_fltr(struct iavf_adapter *adapter, 470 struct iavf_fdir_fltr *fltr) 471 { 472 if (iavf_is_raw_fdir(fltr)) 473 adapter->raw_fdir_active_fltr--; 474 else 475 adapter->fdir_active_fltr--; 476 } 477 478 /* Ethtool Private Flags */ 479 480 /* needed by iavf_ethtool.c */ 481 extern char iavf_driver_name[]; 482 483 static inline const char *iavf_state_str(enum iavf_state_t state) 484 { 485 switch (state) { 486 case __IAVF_STARTUP: 487 return "__IAVF_STARTUP"; 488 case __IAVF_REMOVE: 489 return "__IAVF_REMOVE"; 490 case __IAVF_INIT_VERSION_CHECK: 491 return "__IAVF_INIT_VERSION_CHECK"; 492 case __IAVF_INIT_GET_RESOURCES: 493 return "__IAVF_INIT_GET_RESOURCES"; 494 case __IAVF_INIT_EXTENDED_CAPS: 495 return "__IAVF_INIT_EXTENDED_CAPS"; 496 case __IAVF_INIT_CONFIG_ADAPTER: 497 return "__IAVF_INIT_CONFIG_ADAPTER"; 498 case __IAVF_INIT_SW: 499 return "__IAVF_INIT_SW"; 500 case __IAVF_INIT_FAILED: 501 return "__IAVF_INIT_FAILED"; 502 case __IAVF_RESETTING: 503 return "__IAVF_RESETTING"; 504 case __IAVF_COMM_FAILED: 505 return "__IAVF_COMM_FAILED"; 506 case __IAVF_DOWN: 507 return "__IAVF_DOWN"; 508 case __IAVF_DOWN_PENDING: 509 return "__IAVF_DOWN_PENDING"; 510 case __IAVF_TESTING: 511 return "__IAVF_TESTING"; 512 case __IAVF_RUNNING: 513 return "__IAVF_RUNNING"; 514 default: 515 return "__IAVF_UNKNOWN_STATE"; 516 } 517 } 518 519 static inline void iavf_change_state(struct iavf_adapter *adapter, 520 enum iavf_state_t state) 521 { 522 if (adapter->state != state) { 523 adapter->last_state = adapter->state; 524 adapter->state = state; 525 } 526 dev_dbg(&adapter->pdev->dev, 527 "state transition from:%s to:%s\n", 528 iavf_state_str(adapter->last_state), 529 iavf_state_str(adapter->state)); 530 } 531 532 int iavf_up(struct iavf_adapter *adapter); 533 void iavf_down(struct iavf_adapter *adapter); 534 int iavf_process_config(struct iavf_adapter *adapter); 535 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter); 536 void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags); 537 void iavf_schedule_aq_request(struct iavf_adapter *adapter, u64 flags); 538 void iavf_schedule_finish_config(struct iavf_adapter *adapter); 539 void iavf_reset(struct iavf_adapter *adapter); 540 void iavf_set_ethtool_ops(struct net_device *netdev); 541 void iavf_update_stats(struct iavf_adapter *adapter); 542 void iavf_free_all_tx_resources(struct iavf_adapter *adapter); 543 void iavf_free_all_rx_resources(struct iavf_adapter *adapter); 544 545 void iavf_napi_add_all(struct iavf_adapter *adapter); 546 void iavf_napi_del_all(struct iavf_adapter *adapter); 547 548 int iavf_send_api_ver(struct iavf_adapter *adapter); 549 int iavf_verify_api_ver(struct iavf_adapter *adapter); 550 int iavf_send_vf_config_msg(struct iavf_adapter *adapter); 551 int iavf_get_vf_config(struct iavf_adapter *adapter); 552 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter); 553 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter); 554 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter); 555 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter); 556 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush); 557 void iavf_configure_queues(struct iavf_adapter *adapter); 558 void iavf_deconfigure_queues(struct iavf_adapter *adapter); 559 void iavf_enable_queues(struct iavf_adapter *adapter); 560 void iavf_disable_queues(struct iavf_adapter *adapter); 561 void iavf_map_queues(struct iavf_adapter *adapter); 562 int iavf_request_queues(struct iavf_adapter *adapter, int num); 563 void iavf_add_ether_addrs(struct iavf_adapter *adapter); 564 void iavf_del_ether_addrs(struct iavf_adapter *adapter); 565 void iavf_add_vlans(struct iavf_adapter *adapter); 566 void iavf_del_vlans(struct iavf_adapter *adapter); 567 void iavf_set_promiscuous(struct iavf_adapter *adapter); 568 bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter); 569 void iavf_request_stats(struct iavf_adapter *adapter); 570 int iavf_request_reset(struct iavf_adapter *adapter); 571 void iavf_get_hena(struct iavf_adapter *adapter); 572 void iavf_set_hena(struct iavf_adapter *adapter); 573 void iavf_set_rss_key(struct iavf_adapter *adapter); 574 void iavf_set_rss_lut(struct iavf_adapter *adapter); 575 void iavf_set_rss_hfunc(struct iavf_adapter *adapter); 576 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter); 577 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter); 578 void iavf_virtchnl_completion(struct iavf_adapter *adapter, 579 enum virtchnl_ops v_opcode, 580 enum iavf_status v_retval, u8 *msg, u16 msglen); 581 int iavf_config_rss(struct iavf_adapter *adapter); 582 int iavf_lan_add_device(struct iavf_adapter *adapter); 583 int iavf_lan_del_device(struct iavf_adapter *adapter); 584 void iavf_enable_channels(struct iavf_adapter *adapter); 585 void iavf_disable_channels(struct iavf_adapter *adapter); 586 void iavf_add_cloud_filter(struct iavf_adapter *adapter); 587 void iavf_del_cloud_filter(struct iavf_adapter *adapter); 588 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 589 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 590 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 591 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 592 void iavf_add_fdir_filter(struct iavf_adapter *adapter); 593 void iavf_del_fdir_filter(struct iavf_adapter *adapter); 594 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter); 595 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter); 596 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter, 597 const u8 *macaddr); 598 int iavf_wait_for_reset(struct iavf_adapter *adapter); 599 #endif /* _IAVF_H_ */ 600