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 37 #include "iavf_type.h" 38 #include <linux/avf/virtchnl.h> 39 #include "iavf_txrx.h" 40 #include "iavf_fdir.h" 41 #include "iavf_adv_rss.h" 42 #include <linux/bitmap.h> 43 44 #define DEFAULT_DEBUG_LEVEL_SHIFT 3 45 #define PFX "iavf: " 46 47 int iavf_status_to_errno(enum iavf_status status); 48 int virtchnl_status_to_errno(enum virtchnl_status_code v_status); 49 50 /* VSI state flags shared with common code */ 51 enum iavf_vsi_state_t { 52 __IAVF_VSI_DOWN, 53 /* This must be last as it determines the size of the BITMAP */ 54 __IAVF_VSI_STATE_SIZE__, 55 }; 56 57 /* dummy struct to make common code less painful */ 58 struct iavf_vsi { 59 struct iavf_adapter *back; 60 struct net_device *netdev; 61 u16 seid; 62 u16 id; 63 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__); 64 int base_vector; 65 u16 qs_handle; 66 void *priv; /* client driver data reference. */ 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 (sizeof(struct virtchnl_vf_resource) + \ 96 (IAVF_MAX_VF_VSI * \ 97 sizeof(struct virtchnl_vsi_resource))) 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 struct delayed_work client_task; 260 wait_queue_head_t down_waitqueue; 261 wait_queue_head_t reset_waitqueue; 262 wait_queue_head_t vc_waitqueue; 263 struct iavf_q_vector *q_vectors; 264 struct list_head vlan_filter_list; 265 int num_vlan_filters; 266 struct list_head mac_filter_list; 267 struct mutex crit_lock; 268 struct mutex client_lock; 269 /* Lock to protect accesses to MAC and VLAN lists */ 270 spinlock_t mac_vlan_list_lock; 271 char misc_vector_name[IFNAMSIZ + 9]; 272 int num_active_queues; 273 int num_req_queues; 274 275 /* TX */ 276 struct iavf_ring *tx_rings; 277 u32 tx_timeout_count; 278 u32 tx_desc_count; 279 280 /* RX */ 281 struct iavf_ring *rx_rings; 282 u64 hw_csum_rx_error; 283 u32 rx_desc_count; 284 int num_msix_vectors; 285 int num_rdma_msix; 286 int rdma_base_vector; 287 u32 client_pending; 288 struct iavf_client_instance *cinst; 289 struct msix_entry *msix_entries; 290 291 u32 flags; 292 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0) 293 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3) 294 #define IAVF_FLAG_RESET_PENDING BIT(4) 295 #define IAVF_FLAG_RESET_NEEDED BIT(5) 296 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6) 297 #define IAVF_FLAG_SERVICE_CLIENT_REQUESTED BIT(9) 298 #define IAVF_FLAG_CLIENT_NEEDS_OPEN BIT(10) 299 #define IAVF_FLAG_CLIENT_NEEDS_CLOSE BIT(11) 300 #define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(12) 301 #define IAVF_FLAG_PROMISC_ON BIT(13) 302 #define IAVF_FLAG_ALLMULTI_ON BIT(14) 303 #define IAVF_FLAG_LEGACY_RX BIT(15) 304 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16) 305 #define IAVF_FLAG_QUEUES_DISABLED BIT(17) 306 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18) 307 #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20) 308 /* duplicates for common code */ 309 #define IAVF_FLAG_DCB_ENABLED 0 310 /* flags for admin queue service task */ 311 u64 aq_required; 312 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0) 313 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1) 314 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2) 315 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3) 316 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4) 317 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5) 318 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6) 319 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7) 320 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8) 321 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */ 322 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10) 323 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */ 324 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11) 325 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12) 326 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13) 327 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14) 328 #define IAVF_FLAG_AQ_REQUEST_PROMISC BIT_ULL(15) 329 #define IAVF_FLAG_AQ_RELEASE_PROMISC BIT_ULL(16) 330 #define IAVF_FLAG_AQ_REQUEST_ALLMULTI BIT_ULL(17) 331 #define IAVF_FLAG_AQ_RELEASE_ALLMULTI BIT_ULL(18) 332 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19) 333 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20) 334 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21) 335 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22) 336 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23) 337 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24) 338 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25) 339 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26) 340 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27) 341 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28) 342 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29) 343 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30) 344 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31) 345 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32) 346 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33) 347 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34) 348 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35) 349 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36) 350 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37) 351 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38) 352 353 /* flags for processing extended capability messages during 354 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires 355 * both a SEND and a RECV step, which must be processed in sequence. 356 * 357 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will 358 * process one flag at a time during each state loop. 359 */ 360 u64 extended_caps; 361 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0) 362 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1) 363 364 #define IAVF_EXTENDED_CAPS \ 365 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \ 366 IAVF_EXTENDED_CAP_RECV_VLAN_V2) 367 368 /* OS defined structs */ 369 struct net_device *netdev; 370 struct pci_dev *pdev; 371 372 struct iavf_hw hw; /* defined in iavf_type.h */ 373 374 enum iavf_state_t state; 375 enum iavf_state_t last_state; 376 unsigned long crit_section; 377 378 struct delayed_work watchdog_task; 379 bool netdev_registered; 380 bool link_up; 381 enum virtchnl_link_speed link_speed; 382 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set 383 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if 384 * this field is valid. This field should be used going forward and the 385 * enum virtchnl_link_speed above should be considered the legacy way of 386 * storing/communicating link speeds. 387 */ 388 u32 link_speed_mbps; 389 390 enum virtchnl_ops current_op; 391 #define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \ 392 (_a)->vf_res->vf_cap_flags & \ 393 VIRTCHNL_VF_OFFLOAD_RDMA : \ 394 0) 395 #define CLIENT_ENABLED(_a) ((_a)->cinst) 396 /* RSS by the PF should be preferred over RSS via other methods. */ 397 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \ 398 VIRTCHNL_VF_OFFLOAD_RSS_PF) 399 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \ 400 VIRTCHNL_VF_OFFLOAD_RSS_AQ) 401 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \ 402 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \ 403 VIRTCHNL_VF_OFFLOAD_RSS_PF))) 404 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 405 VIRTCHNL_VF_OFFLOAD_VLAN) 406 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 407 VIRTCHNL_VF_OFFLOAD_VLAN_V2) 408 #define VLAN_V2_FILTERING_ALLOWED(_a) \ 409 (VLAN_V2_ALLOWED((_a)) && \ 410 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \ 411 (_a)->vlan_v2_caps.filtering.filtering_support.inner)) 412 #define VLAN_FILTERING_ALLOWED(_a) \ 413 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a))) 414 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 415 VIRTCHNL_VF_CAP_ADV_LINK_SPEED) 416 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 417 VIRTCHNL_VF_OFFLOAD_FDIR_PF) 418 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 419 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) 420 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */ 421 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */ 422 struct virtchnl_version_info pf_version; 423 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \ 424 ((_a)->pf_version.minor == 1)) 425 struct virtchnl_vlan_caps vlan_v2_caps; 426 u16 msg_enable; 427 struct iavf_eth_stats current_stats; 428 struct iavf_vsi vsi; 429 u32 aq_wait_count; 430 /* RSS stuff */ 431 u64 hena; 432 u16 rss_key_size; 433 u16 rss_lut_size; 434 u8 *rss_key; 435 u8 *rss_lut; 436 /* ADQ related members */ 437 struct iavf_channel_config ch_config; 438 u8 num_tc; 439 struct list_head cloud_filter_list; 440 /* lock to protect access to the cloud filter list */ 441 spinlock_t cloud_filter_list_lock; 442 u16 num_cloud_filters; 443 /* snapshot of "num_active_queues" before setup_tc for qdisc add 444 * is invoked. This information is useful during qdisc del flow, 445 * to restore correct number of queues 446 */ 447 int orig_num_active_queues; 448 449 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */ 450 u16 fdir_active_fltr; 451 struct list_head fdir_list_head; 452 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */ 453 454 struct list_head adv_rss_list_head; 455 spinlock_t adv_rss_lock; /* protect the RSS management list */ 456 }; 457 458 459 /* Ethtool Private Flags */ 460 461 /* lan device, used by client interface */ 462 struct iavf_device { 463 struct list_head list; 464 struct iavf_adapter *vf; 465 }; 466 467 /* needed by iavf_ethtool.c */ 468 extern char iavf_driver_name[]; 469 470 static inline const char *iavf_state_str(enum iavf_state_t state) 471 { 472 switch (state) { 473 case __IAVF_STARTUP: 474 return "__IAVF_STARTUP"; 475 case __IAVF_REMOVE: 476 return "__IAVF_REMOVE"; 477 case __IAVF_INIT_VERSION_CHECK: 478 return "__IAVF_INIT_VERSION_CHECK"; 479 case __IAVF_INIT_GET_RESOURCES: 480 return "__IAVF_INIT_GET_RESOURCES"; 481 case __IAVF_INIT_EXTENDED_CAPS: 482 return "__IAVF_INIT_EXTENDED_CAPS"; 483 case __IAVF_INIT_CONFIG_ADAPTER: 484 return "__IAVF_INIT_CONFIG_ADAPTER"; 485 case __IAVF_INIT_SW: 486 return "__IAVF_INIT_SW"; 487 case __IAVF_INIT_FAILED: 488 return "__IAVF_INIT_FAILED"; 489 case __IAVF_RESETTING: 490 return "__IAVF_RESETTING"; 491 case __IAVF_COMM_FAILED: 492 return "__IAVF_COMM_FAILED"; 493 case __IAVF_DOWN: 494 return "__IAVF_DOWN"; 495 case __IAVF_DOWN_PENDING: 496 return "__IAVF_DOWN_PENDING"; 497 case __IAVF_TESTING: 498 return "__IAVF_TESTING"; 499 case __IAVF_RUNNING: 500 return "__IAVF_RUNNING"; 501 default: 502 return "__IAVF_UNKNOWN_STATE"; 503 } 504 } 505 506 static inline void iavf_change_state(struct iavf_adapter *adapter, 507 enum iavf_state_t state) 508 { 509 if (adapter->state != state) { 510 adapter->last_state = adapter->state; 511 adapter->state = state; 512 } 513 dev_dbg(&adapter->pdev->dev, 514 "state transition from:%s to:%s\n", 515 iavf_state_str(adapter->last_state), 516 iavf_state_str(adapter->state)); 517 } 518 519 int iavf_up(struct iavf_adapter *adapter); 520 void iavf_down(struct iavf_adapter *adapter); 521 int iavf_process_config(struct iavf_adapter *adapter); 522 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter); 523 void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags); 524 void iavf_schedule_request_stats(struct iavf_adapter *adapter); 525 void iavf_schedule_finish_config(struct iavf_adapter *adapter); 526 void iavf_reset(struct iavf_adapter *adapter); 527 void iavf_set_ethtool_ops(struct net_device *netdev); 528 void iavf_update_stats(struct iavf_adapter *adapter); 529 void iavf_free_all_tx_resources(struct iavf_adapter *adapter); 530 void iavf_free_all_rx_resources(struct iavf_adapter *adapter); 531 532 void iavf_napi_add_all(struct iavf_adapter *adapter); 533 void iavf_napi_del_all(struct iavf_adapter *adapter); 534 535 int iavf_send_api_ver(struct iavf_adapter *adapter); 536 int iavf_verify_api_ver(struct iavf_adapter *adapter); 537 int iavf_send_vf_config_msg(struct iavf_adapter *adapter); 538 int iavf_get_vf_config(struct iavf_adapter *adapter); 539 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter); 540 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter); 541 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter); 542 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter); 543 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush); 544 void iavf_configure_queues(struct iavf_adapter *adapter); 545 void iavf_deconfigure_queues(struct iavf_adapter *adapter); 546 void iavf_enable_queues(struct iavf_adapter *adapter); 547 void iavf_disable_queues(struct iavf_adapter *adapter); 548 void iavf_map_queues(struct iavf_adapter *adapter); 549 int iavf_request_queues(struct iavf_adapter *adapter, int num); 550 void iavf_add_ether_addrs(struct iavf_adapter *adapter); 551 void iavf_del_ether_addrs(struct iavf_adapter *adapter); 552 void iavf_add_vlans(struct iavf_adapter *adapter); 553 void iavf_del_vlans(struct iavf_adapter *adapter); 554 void iavf_set_promiscuous(struct iavf_adapter *adapter, int flags); 555 void iavf_request_stats(struct iavf_adapter *adapter); 556 int iavf_request_reset(struct iavf_adapter *adapter); 557 void iavf_get_hena(struct iavf_adapter *adapter); 558 void iavf_set_hena(struct iavf_adapter *adapter); 559 void iavf_set_rss_key(struct iavf_adapter *adapter); 560 void iavf_set_rss_lut(struct iavf_adapter *adapter); 561 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter); 562 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter); 563 void iavf_virtchnl_completion(struct iavf_adapter *adapter, 564 enum virtchnl_ops v_opcode, 565 enum iavf_status v_retval, u8 *msg, u16 msglen); 566 int iavf_config_rss(struct iavf_adapter *adapter); 567 int iavf_lan_add_device(struct iavf_adapter *adapter); 568 int iavf_lan_del_device(struct iavf_adapter *adapter); 569 void iavf_client_subtask(struct iavf_adapter *adapter); 570 void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len); 571 void iavf_notify_client_l2_params(struct iavf_vsi *vsi); 572 void iavf_notify_client_open(struct iavf_vsi *vsi); 573 void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset); 574 void iavf_enable_channels(struct iavf_adapter *adapter); 575 void iavf_disable_channels(struct iavf_adapter *adapter); 576 void iavf_add_cloud_filter(struct iavf_adapter *adapter); 577 void iavf_del_cloud_filter(struct iavf_adapter *adapter); 578 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 579 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 580 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 581 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 582 void iavf_add_fdir_filter(struct iavf_adapter *adapter); 583 void iavf_del_fdir_filter(struct iavf_adapter *adapter); 584 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter); 585 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter); 586 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter, 587 const u8 *macaddr); 588 int iavf_wait_for_reset(struct iavf_adapter *adapter); 589 #endif /* _IAVF_H_ */ 590