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 #include <net/net_shaper.h> 38 39 #include "iavf_type.h" 40 #include <linux/avf/virtchnl.h> 41 #include "iavf_txrx.h" 42 #include "iavf_fdir.h" 43 #include "iavf_adv_rss.h" 44 #include "iavf_types.h" 45 #include <linux/bitmap.h> 46 47 #define DEFAULT_DEBUG_LEVEL_SHIFT 3 48 #define PFX "iavf: " 49 50 int iavf_status_to_errno(enum iavf_status status); 51 int virtchnl_status_to_errno(enum virtchnl_status_code v_status); 52 53 /* VSI state flags shared with common code */ 54 enum iavf_vsi_state_t { 55 __IAVF_VSI_DOWN, 56 /* This must be last as it determines the size of the BITMAP */ 57 __IAVF_VSI_STATE_SIZE__, 58 }; 59 60 /* dummy struct to make common code less painful */ 61 struct iavf_vsi { 62 struct iavf_adapter *back; 63 struct net_device *netdev; 64 u16 seid; 65 u16 id; 66 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__); 67 int base_vector; 68 u16 qs_handle; 69 }; 70 71 /* How many Rx Buffers do we bundle into one write to the hardware ? */ 72 #define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */ 73 #define IAVF_DEFAULT_TXD 512 74 #define IAVF_DEFAULT_RXD 512 75 #define IAVF_MAX_TXD 4096 76 #define IAVF_MIN_TXD 64 77 #define IAVF_MAX_RXD 4096 78 #define IAVF_MIN_RXD 64 79 #define IAVF_REQ_DESCRIPTOR_MULTIPLE 32 80 #define IAVF_MAX_AQ_BUF_SIZE 4096 81 #define IAVF_AQ_LEN 32 82 #define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */ 83 84 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) 85 86 #define IAVF_RX_DESC(R, i) (&(((struct iavf_rx_desc *)((R)->desc))[i])) 87 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i])) 88 #define IAVF_TX_CTXTDESC(R, i) \ 89 (&(((struct iavf_tx_context_desc *)((R)->desc))[i])) 90 #define IAVF_MAX_REQ_QUEUES 16 91 92 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4) 93 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4) 94 #define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */ 95 #define IAVF_MBPS_QUANTA 50 96 97 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE \ 98 virtchnl_struct_size((struct virtchnl_vf_resource *)NULL, \ 99 vsi_res, IAVF_MAX_VF_VSI) 100 101 /* MAX_MSIX_Q_VECTORS of these are allocated, 102 * but we only use one per queue-specific vector. 103 */ 104 struct iavf_q_vector { 105 struct iavf_adapter *adapter; 106 struct iavf_vsi *vsi; 107 struct napi_struct napi; 108 struct iavf_ring_container rx; 109 struct iavf_ring_container tx; 110 u32 ring_mask; 111 u8 itr_countdown; /* when 0 should adjust adaptive ITR */ 112 u8 num_ringpairs; /* total number of ring pairs in vector */ 113 u16 v_idx; /* index in the vsi->q_vector array. */ 114 u16 reg_idx; /* register index of the interrupt */ 115 char name[IFNAMSIZ + 15]; 116 bool arm_wb_state; 117 cpumask_t affinity_mask; 118 struct irq_affinity_notify affinity_notify; 119 }; 120 121 /* Helper macros to switch between ints/sec and what the register uses. 122 * And yes, it's the same math going both ways. The lowest value 123 * supported by all of the iavf hardware is 8. 124 */ 125 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \ 126 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8) 127 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG 128 129 #define IAVF_DESC_UNUSED(R) \ 130 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ 131 (R)->next_to_clean - (R)->next_to_use - 1) 132 133 #define OTHER_VECTOR 1 134 #define NONQ_VECS (OTHER_VECTOR) 135 136 #define MIN_MSIX_Q_VECTORS 1 137 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS) 138 139 #define IAVF_QUEUE_END_OF_LIST 0x7FF 140 #define IAVF_FREE_VECTOR 0x7FFF 141 struct iavf_mac_filter { 142 struct list_head list; 143 u8 macaddr[ETH_ALEN]; 144 struct { 145 u8 is_new_mac:1; /* filter is new, wait for PF decision */ 146 u8 remove:1; /* filter needs to be removed */ 147 u8 add:1; /* filter needs to be added */ 148 u8 is_primary:1; /* filter is a default VF MAC */ 149 u8 add_handled:1; /* received response for filter add */ 150 u8 padding:3; 151 }; 152 }; 153 154 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid }) 155 struct iavf_vlan { 156 u16 vid; 157 u16 tpid; 158 }; 159 160 enum iavf_vlan_state_t { 161 IAVF_VLAN_INVALID, 162 IAVF_VLAN_ADD, /* filter needs to be added */ 163 IAVF_VLAN_IS_NEW, /* filter is new, wait for PF answer */ 164 IAVF_VLAN_ACTIVE, /* filter is accepted by PF */ 165 IAVF_VLAN_DISABLE, /* filter needs to be deleted by PF, then marked INACTIVE */ 166 IAVF_VLAN_INACTIVE, /* filter is inactive, we are in IFF_DOWN */ 167 IAVF_VLAN_REMOVE, /* filter needs to be removed from list */ 168 }; 169 170 struct iavf_vlan_filter { 171 struct list_head list; 172 struct iavf_vlan vlan; 173 enum iavf_vlan_state_t state; 174 }; 175 176 #define IAVF_MAX_TRAFFIC_CLASS 4 177 /* State of traffic class creation */ 178 enum iavf_tc_state_t { 179 __IAVF_TC_INVALID, /* no traffic class, default state */ 180 __IAVF_TC_RUNNING, /* traffic classes have been created */ 181 }; 182 183 /* channel info */ 184 struct iavf_channel_config { 185 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS]; 186 enum iavf_tc_state_t state; 187 u8 total_qps; 188 }; 189 190 /* State of cloud filter */ 191 enum iavf_cloud_filter_state_t { 192 __IAVF_CF_INVALID, /* cloud filter not added */ 193 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */ 194 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */ 195 __IAVF_CF_ACTIVE, /* cloud filter is active */ 196 }; 197 198 /* Driver state. The order of these is important! */ 199 enum iavf_state_t { 200 __IAVF_STARTUP, /* driver loaded, probe complete */ 201 __IAVF_REMOVE, /* driver is being unloaded */ 202 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */ 203 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */ 204 __IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */ 205 __IAVF_INIT_CONFIG_ADAPTER, 206 __IAVF_INIT_SW, /* got resources, setting up structs */ 207 __IAVF_INIT_FAILED, /* init failed, restarting procedure */ 208 __IAVF_RESETTING, /* in reset */ 209 __IAVF_COMM_FAILED, /* communication with PF failed */ 210 /* Below here, watchdog is running */ 211 __IAVF_DOWN, /* ready, can be opened */ 212 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */ 213 __IAVF_TESTING, /* in ethtool self-test */ 214 __IAVF_RUNNING, /* opened, working */ 215 }; 216 217 enum iavf_critical_section_t { 218 __IAVF_IN_REMOVE_TASK, /* device being removed */ 219 }; 220 221 #define IAVF_CLOUD_FIELD_OMAC 0x01 222 #define IAVF_CLOUD_FIELD_IMAC 0x02 223 #define IAVF_CLOUD_FIELD_IVLAN 0x04 224 #define IAVF_CLOUD_FIELD_TEN_ID 0x08 225 #define IAVF_CLOUD_FIELD_IIP 0x10 226 227 #define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC 228 #define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC 229 #define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\ 230 IAVF_CLOUD_FIELD_IVLAN) 231 #define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\ 232 IAVF_CLOUD_FIELD_TEN_ID) 233 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\ 234 IAVF_CLOUD_FIELD_IMAC |\ 235 IAVF_CLOUD_FIELD_TEN_ID) 236 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\ 237 IAVF_CLOUD_FIELD_IVLAN |\ 238 IAVF_CLOUD_FIELD_TEN_ID) 239 #define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP 240 241 /* bookkeeping of cloud filters */ 242 struct iavf_cloud_filter { 243 enum iavf_cloud_filter_state_t state; 244 struct list_head list; 245 struct virtchnl_filter f; 246 unsigned long cookie; 247 bool del; /* filter needs to be deleted */ 248 bool add; /* filter needs to be added */ 249 }; 250 251 #define IAVF_RESET_WAIT_MS 10 252 #define IAVF_RESET_WAIT_DETECTED_COUNT 500 253 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000 254 255 #define IAVF_MAX_QOS_TC_NUM 8 256 #define IAVF_DEFAULT_QUANTA_SIZE 1024 257 258 /* board specific private data structure */ 259 struct iavf_adapter { 260 struct workqueue_struct *wq; 261 struct work_struct reset_task; 262 struct work_struct adminq_task; 263 struct work_struct finish_config; 264 wait_queue_head_t down_waitqueue; 265 wait_queue_head_t reset_waitqueue; 266 wait_queue_head_t vc_waitqueue; 267 struct iavf_q_vector *q_vectors; 268 struct list_head vlan_filter_list; 269 int num_vlan_filters; 270 struct list_head mac_filter_list; 271 /* Lock to protect accesses to MAC and VLAN lists */ 272 spinlock_t mac_vlan_list_lock; 273 char misc_vector_name[IFNAMSIZ + 9]; 274 u8 rxdid; 275 int num_active_queues; 276 int num_req_queues; 277 278 /* TX */ 279 struct iavf_ring *tx_rings; 280 u32 tx_timeout_count; 281 u32 tx_desc_count; 282 283 /* RX */ 284 struct iavf_ring *rx_rings; 285 u64 hw_csum_rx_error; 286 u32 rx_desc_count; 287 int num_msix_vectors; 288 struct msix_entry *msix_entries; 289 290 u32 flags; 291 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0) 292 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3) 293 #define IAVF_FLAG_RESET_PENDING BIT(4) 294 #define IAVF_FLAG_RESET_NEEDED BIT(5) 295 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6) 296 /* BIT(15) is free, was IAVF_FLAG_LEGACY_RX */ 297 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16) 298 #define IAVF_FLAG_QUEUES_DISABLED BIT(17) 299 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18) 300 #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20) 301 #define IAVF_FLAG_FDIR_ENABLED BIT(21) 302 /* duplicates for common code */ 303 #define IAVF_FLAG_DCB_ENABLED 0 304 /* flags for admin queue service task */ 305 u64 aq_required; 306 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0) 307 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1) 308 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2) 309 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3) 310 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4) 311 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5) 312 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6) 313 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7) 314 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8) 315 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */ 316 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10) 317 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */ 318 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11) 319 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12) 320 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13) 321 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14) 322 #define IAVF_FLAG_AQ_SET_RSS_HFUNC BIT_ULL(15) 323 #define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE BIT_ULL(16) 324 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19) 325 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20) 326 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21) 327 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22) 328 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23) 329 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24) 330 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25) 331 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26) 332 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27) 333 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28) 334 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29) 335 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30) 336 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31) 337 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32) 338 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33) 339 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34) 340 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35) 341 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36) 342 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37) 343 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38) 344 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES_BW BIT_ULL(39) 345 #define IAVF_FLAG_AQ_CFG_QUEUES_QUANTA_SIZE BIT_ULL(40) 346 #define IAVF_FLAG_AQ_GET_QOS_CAPS BIT_ULL(41) 347 #define IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS BIT_ULL(42) 348 #define IAVF_FLAG_AQ_GET_PTP_CAPS BIT_ULL(43) 349 #define IAVF_FLAG_AQ_SEND_PTP_CMD BIT_ULL(44) 350 351 /* AQ messages that must be sent after IAVF_FLAG_AQ_GET_CONFIG, in 352 * order to negotiated extended capabilities. 353 */ 354 #define IAVF_FLAG_AQ_EXTENDED_CAPS \ 355 (IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS | \ 356 IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS | \ 357 IAVF_FLAG_AQ_GET_PTP_CAPS) 358 359 /* flags for processing extended capability messages during 360 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires 361 * both a SEND and a RECV step, which must be processed in sequence. 362 * 363 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will 364 * process one flag at a time during each state loop. 365 */ 366 u64 extended_caps; 367 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0) 368 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1) 369 #define IAVF_EXTENDED_CAP_SEND_RXDID BIT_ULL(2) 370 #define IAVF_EXTENDED_CAP_RECV_RXDID BIT_ULL(3) 371 #define IAVF_EXTENDED_CAP_SEND_PTP BIT_ULL(4) 372 #define IAVF_EXTENDED_CAP_RECV_PTP BIT_ULL(5) 373 374 #define IAVF_EXTENDED_CAPS \ 375 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \ 376 IAVF_EXTENDED_CAP_RECV_VLAN_V2 | \ 377 IAVF_EXTENDED_CAP_SEND_RXDID | \ 378 IAVF_EXTENDED_CAP_RECV_RXDID | \ 379 IAVF_EXTENDED_CAP_SEND_PTP | \ 380 IAVF_EXTENDED_CAP_RECV_PTP) 381 382 /* Lock to prevent possible clobbering of 383 * current_netdev_promisc_flags 384 */ 385 spinlock_t current_netdev_promisc_flags_lock; 386 netdev_features_t current_netdev_promisc_flags; 387 388 /* OS defined structs */ 389 struct net_device *netdev; 390 struct pci_dev *pdev; 391 392 struct iavf_hw hw; /* defined in iavf_type.h */ 393 394 enum iavf_state_t state; 395 enum iavf_state_t last_state; 396 unsigned long crit_section; 397 398 struct delayed_work watchdog_task; 399 bool link_up; 400 enum virtchnl_link_speed link_speed; 401 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set 402 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if 403 * this field is valid. This field should be used going forward and the 404 * enum virtchnl_link_speed above should be considered the legacy way of 405 * storing/communicating link speeds. 406 */ 407 u32 link_speed_mbps; 408 409 enum virtchnl_ops current_op; 410 /* RSS by the PF should be preferred over RSS via other methods. */ 411 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \ 412 VIRTCHNL_VF_OFFLOAD_RSS_PF) 413 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \ 414 VIRTCHNL_VF_OFFLOAD_RSS_AQ) 415 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \ 416 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \ 417 VIRTCHNL_VF_OFFLOAD_RSS_PF))) 418 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 419 VIRTCHNL_VF_OFFLOAD_VLAN) 420 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 421 VIRTCHNL_VF_OFFLOAD_VLAN_V2) 422 #define CRC_OFFLOAD_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 423 VIRTCHNL_VF_OFFLOAD_CRC) 424 #define TC_U32_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 425 VIRTCHNL_VF_OFFLOAD_TC_U32) 426 #define VLAN_V2_FILTERING_ALLOWED(_a) \ 427 (VLAN_V2_ALLOWED((_a)) && \ 428 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \ 429 (_a)->vlan_v2_caps.filtering.filtering_support.inner)) 430 #define VLAN_FILTERING_ALLOWED(_a) \ 431 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a))) 432 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 433 VIRTCHNL_VF_CAP_ADV_LINK_SPEED) 434 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 435 VIRTCHNL_VF_OFFLOAD_FDIR_PF) 436 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 437 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) 438 #define QOS_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 439 VIRTCHNL_VF_OFFLOAD_QOS) 440 #define IAVF_RXDID_ALLOWED(a) \ 441 ((a)->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) 442 #define IAVF_PTP_ALLOWED(a) \ 443 ((a)->vf_res->vf_cap_flags & VIRTCHNL_VF_CAP_PTP) 444 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */ 445 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */ 446 struct virtchnl_version_info pf_version; 447 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \ 448 ((_a)->pf_version.minor == 1)) 449 struct virtchnl_vlan_caps vlan_v2_caps; 450 u64 supp_rxdids; 451 struct iavf_ptp ptp; 452 u16 msg_enable; 453 struct iavf_eth_stats current_stats; 454 struct virtchnl_qos_cap_list *qos_caps; 455 struct iavf_vsi vsi; 456 u32 aq_wait_count; 457 /* RSS stuff */ 458 enum virtchnl_rss_algorithm hfunc; 459 u64 hena; 460 u16 rss_key_size; 461 u16 rss_lut_size; 462 u8 *rss_key; 463 u8 *rss_lut; 464 /* ADQ related members */ 465 struct iavf_channel_config ch_config; 466 u8 num_tc; 467 struct list_head cloud_filter_list; 468 /* lock to protect access to the cloud filter list */ 469 spinlock_t cloud_filter_list_lock; 470 u16 num_cloud_filters; 471 /* snapshot of "num_active_queues" before setup_tc for qdisc add 472 * is invoked. This information is useful during qdisc del flow, 473 * to restore correct number of queues 474 */ 475 int orig_num_active_queues; 476 477 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */ 478 u16 fdir_active_fltr; 479 u16 raw_fdir_active_fltr; 480 struct list_head fdir_list_head; 481 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */ 482 483 struct list_head adv_rss_list_head; 484 spinlock_t adv_rss_lock; /* protect the RSS management list */ 485 }; 486 487 /* Must be called with fdir_fltr_lock lock held */ 488 static inline bool iavf_fdir_max_reached(struct iavf_adapter *adapter) 489 { 490 return adapter->fdir_active_fltr + adapter->raw_fdir_active_fltr >= 491 IAVF_MAX_FDIR_FILTERS; 492 } 493 494 static inline void 495 iavf_inc_fdir_active_fltr(struct iavf_adapter *adapter, 496 struct iavf_fdir_fltr *fltr) 497 { 498 if (iavf_is_raw_fdir(fltr)) 499 adapter->raw_fdir_active_fltr++; 500 else 501 adapter->fdir_active_fltr++; 502 } 503 504 static inline void 505 iavf_dec_fdir_active_fltr(struct iavf_adapter *adapter, 506 struct iavf_fdir_fltr *fltr) 507 { 508 if (iavf_is_raw_fdir(fltr)) 509 adapter->raw_fdir_active_fltr--; 510 else 511 adapter->fdir_active_fltr--; 512 } 513 514 /* Ethtool Private Flags */ 515 516 /* needed by iavf_ethtool.c */ 517 extern char iavf_driver_name[]; 518 519 static inline const char *iavf_state_str(enum iavf_state_t state) 520 { 521 switch (state) { 522 case __IAVF_STARTUP: 523 return "__IAVF_STARTUP"; 524 case __IAVF_REMOVE: 525 return "__IAVF_REMOVE"; 526 case __IAVF_INIT_VERSION_CHECK: 527 return "__IAVF_INIT_VERSION_CHECK"; 528 case __IAVF_INIT_GET_RESOURCES: 529 return "__IAVF_INIT_GET_RESOURCES"; 530 case __IAVF_INIT_EXTENDED_CAPS: 531 return "__IAVF_INIT_EXTENDED_CAPS"; 532 case __IAVF_INIT_CONFIG_ADAPTER: 533 return "__IAVF_INIT_CONFIG_ADAPTER"; 534 case __IAVF_INIT_SW: 535 return "__IAVF_INIT_SW"; 536 case __IAVF_INIT_FAILED: 537 return "__IAVF_INIT_FAILED"; 538 case __IAVF_RESETTING: 539 return "__IAVF_RESETTING"; 540 case __IAVF_COMM_FAILED: 541 return "__IAVF_COMM_FAILED"; 542 case __IAVF_DOWN: 543 return "__IAVF_DOWN"; 544 case __IAVF_DOWN_PENDING: 545 return "__IAVF_DOWN_PENDING"; 546 case __IAVF_TESTING: 547 return "__IAVF_TESTING"; 548 case __IAVF_RUNNING: 549 return "__IAVF_RUNNING"; 550 default: 551 return "__IAVF_UNKNOWN_STATE"; 552 } 553 } 554 555 static inline void iavf_change_state(struct iavf_adapter *adapter, 556 enum iavf_state_t state) 557 { 558 if (adapter->state != state) { 559 adapter->last_state = adapter->state; 560 adapter->state = state; 561 } 562 dev_dbg(&adapter->pdev->dev, 563 "state transition from:%s to:%s\n", 564 iavf_state_str(adapter->last_state), 565 iavf_state_str(adapter->state)); 566 } 567 568 void iavf_down(struct iavf_adapter *adapter); 569 int iavf_process_config(struct iavf_adapter *adapter); 570 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter); 571 void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags); 572 void iavf_schedule_aq_request(struct iavf_adapter *adapter, u64 flags); 573 void iavf_schedule_finish_config(struct iavf_adapter *adapter); 574 void iavf_set_ethtool_ops(struct net_device *netdev); 575 void iavf_free_all_tx_resources(struct iavf_adapter *adapter); 576 void iavf_free_all_rx_resources(struct iavf_adapter *adapter); 577 578 int iavf_send_api_ver(struct iavf_adapter *adapter); 579 int iavf_verify_api_ver(struct iavf_adapter *adapter); 580 int iavf_send_vf_config_msg(struct iavf_adapter *adapter); 581 int iavf_get_vf_config(struct iavf_adapter *adapter); 582 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter); 583 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter); 584 int iavf_send_vf_supported_rxdids_msg(struct iavf_adapter *adapter); 585 int iavf_get_vf_supported_rxdids(struct iavf_adapter *adapter); 586 int iavf_send_vf_ptp_caps_msg(struct iavf_adapter *adapter); 587 int iavf_get_vf_ptp_caps(struct iavf_adapter *adapter); 588 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter); 589 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter); 590 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush); 591 void iavf_configure_queues(struct iavf_adapter *adapter); 592 void iavf_enable_queues(struct iavf_adapter *adapter); 593 void iavf_disable_queues(struct iavf_adapter *adapter); 594 void iavf_map_queues(struct iavf_adapter *adapter); 595 void iavf_add_ether_addrs(struct iavf_adapter *adapter); 596 void iavf_del_ether_addrs(struct iavf_adapter *adapter); 597 void iavf_add_vlans(struct iavf_adapter *adapter); 598 void iavf_del_vlans(struct iavf_adapter *adapter); 599 void iavf_set_promiscuous(struct iavf_adapter *adapter); 600 bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter); 601 void iavf_request_stats(struct iavf_adapter *adapter); 602 int iavf_request_reset(struct iavf_adapter *adapter); 603 void iavf_get_hena(struct iavf_adapter *adapter); 604 void iavf_set_hena(struct iavf_adapter *adapter); 605 void iavf_set_rss_key(struct iavf_adapter *adapter); 606 void iavf_set_rss_lut(struct iavf_adapter *adapter); 607 void iavf_set_rss_hfunc(struct iavf_adapter *adapter); 608 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter); 609 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter); 610 void iavf_virtchnl_completion(struct iavf_adapter *adapter, 611 enum virtchnl_ops v_opcode, 612 enum iavf_status v_retval, u8 *msg, u16 msglen); 613 int iavf_config_rss(struct iavf_adapter *adapter); 614 void iavf_cfg_queues_bw(struct iavf_adapter *adapter); 615 void iavf_cfg_queues_quanta_size(struct iavf_adapter *adapter); 616 void iavf_get_qos_caps(struct iavf_adapter *adapter); 617 void iavf_enable_channels(struct iavf_adapter *adapter); 618 void iavf_disable_channels(struct iavf_adapter *adapter); 619 void iavf_add_cloud_filter(struct iavf_adapter *adapter); 620 void iavf_del_cloud_filter(struct iavf_adapter *adapter); 621 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 622 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 623 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 624 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 625 void iavf_add_fdir_filter(struct iavf_adapter *adapter); 626 void iavf_del_fdir_filter(struct iavf_adapter *adapter); 627 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter); 628 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter); 629 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter, 630 const u8 *macaddr); 631 int iavf_wait_for_reset(struct iavf_adapter *adapter); 632 #endif /* _IAVF_H_ */ 633