1 /* 2 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #ifndef _DP_RX_H 21 #define _DP_RX_H 22 23 #include "hal_rx.h" 24 #include "dp_peer.h" 25 #include "dp_internal.h" 26 #include <qdf_tracepoint.h> 27 #include "dp_ipa.h" 28 29 #ifdef RXDMA_OPTIMIZATION 30 #ifndef RX_DATA_BUFFER_ALIGNMENT 31 #define RX_DATA_BUFFER_ALIGNMENT 128 32 #endif 33 #ifndef RX_MONITOR_BUFFER_ALIGNMENT 34 #define RX_MONITOR_BUFFER_ALIGNMENT 128 35 #endif 36 #else /* RXDMA_OPTIMIZATION */ 37 #define RX_DATA_BUFFER_ALIGNMENT 4 38 #define RX_MONITOR_BUFFER_ALIGNMENT 4 39 #endif /* RXDMA_OPTIMIZATION */ 40 41 #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1) 42 #define DP_WBM2SW_RBM(sw0_bm_id) HAL_RX_BUF_RBM_SW1_BM(sw0_bm_id) 43 /* RBM value used for re-injecting defragmented packets into REO */ 44 #define DP_DEFRAG_RBM(sw0_bm_id) HAL_RX_BUF_RBM_SW3_BM(sw0_bm_id) 45 #endif 46 47 /* Max buffer in invalid peer SG list*/ 48 #define DP_MAX_INVALID_BUFFERS 10 49 #ifdef DP_INVALID_PEER_ASSERT 50 #define DP_PDEV_INVALID_PEER_MSDU_CHECK(head, tail) \ 51 do { \ 52 qdf_assert_always(!(head)); \ 53 qdf_assert_always(!(tail)); \ 54 } while (0) 55 #else 56 #define DP_PDEV_INVALID_PEER_MSDU_CHECK(head, tail) /* no op */ 57 #endif 58 59 #define RX_BUFFER_RESERVATION 0 60 #ifdef BE_PKTLOG_SUPPORT 61 #define BUFFER_RESIDUE 1 62 #define RX_MON_MIN_HEAD_ROOM 64 63 #endif 64 65 #define DP_DEFAULT_NOISEFLOOR (-96) 66 67 #define DP_RX_DESC_MAGIC 0xdec0de 68 69 #define dp_rx_alert(params...) QDF_TRACE_FATAL(QDF_MODULE_ID_DP_RX, params) 70 #define dp_rx_err(params...) QDF_TRACE_ERROR(QDF_MODULE_ID_DP_RX, params) 71 #define dp_rx_warn(params...) QDF_TRACE_WARN(QDF_MODULE_ID_DP_RX, params) 72 #define dp_rx_info(params...) \ 73 __QDF_TRACE_FL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params) 74 #define dp_rx_info_rl(params...) \ 75 __QDF_TRACE_RL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params) 76 #define dp_rx_debug(params...) QDF_TRACE_DEBUG(QDF_MODULE_ID_DP_RX, params) 77 78 /** 79 * enum dp_rx_desc_state 80 * 81 * @RX_DESC_REPLENISH: rx desc replenished 82 * @RX_DESC_FREELIST: rx desc in freelist 83 */ 84 enum dp_rx_desc_state { 85 RX_DESC_REPLENISHED, 86 RX_DESC_IN_FREELIST, 87 }; 88 89 #ifndef QCA_HOST_MODE_WIFI_DISABLED 90 /** 91 * struct dp_rx_desc_dbg_info 92 * 93 * @freelist_caller: name of the function that put the 94 * the rx desc in freelist 95 * @freelist_ts: timestamp when the rx desc is put in 96 * a freelist 97 * @replenish_caller: name of the function that last 98 * replenished the rx desc 99 * @replenish_ts: last replenish timestamp 100 * @prev_nbuf: previous nbuf info 101 * @prev_nbuf_data_addr: previous nbuf data address 102 */ 103 struct dp_rx_desc_dbg_info { 104 char freelist_caller[QDF_MEM_FUNC_NAME_SIZE]; 105 uint64_t freelist_ts; 106 char replenish_caller[QDF_MEM_FUNC_NAME_SIZE]; 107 uint64_t replenish_ts; 108 qdf_nbuf_t prev_nbuf; 109 uint8_t *prev_nbuf_data_addr; 110 }; 111 112 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 113 114 /** 115 * struct dp_rx_desc 116 * 117 * @nbuf : VA of the "skb" posted 118 * @rx_buf_start : VA of the original Rx buffer, before 119 * movement of any skb->data pointer 120 * @paddr_buf_start : PA of the original Rx buffer, before 121 * movement of any frag pointer 122 * @cookie : index into the sw array which holds 123 * the sw Rx descriptors 124 * Cookie space is 21 bits: 125 * lower 18 bits -- index 126 * upper 3 bits -- pool_id 127 * @pool_id : pool Id for which this allocated. 128 * Can only be used if there is no flow 129 * steering 130 * @chip_id : chip_id indicating MLO chip_id 131 * valid or used only in case of multi-chip MLO 132 * @in_use rx_desc is in use 133 * @unmapped used to mark rx_desc an unmapped if the corresponding 134 * nbuf is already unmapped 135 * @in_err_state : Nbuf sanity failed for this descriptor. 136 * @nbuf_data_addr : VA of nbuf data posted 137 */ 138 struct dp_rx_desc { 139 qdf_nbuf_t nbuf; 140 uint8_t *rx_buf_start; 141 qdf_dma_addr_t paddr_buf_start; 142 uint32_t cookie; 143 uint8_t pool_id; 144 uint8_t chip_id; 145 #ifdef RX_DESC_DEBUG_CHECK 146 uint32_t magic; 147 uint8_t *nbuf_data_addr; 148 struct dp_rx_desc_dbg_info *dbg_info; 149 #endif 150 uint8_t in_use:1, 151 unmapped:1, 152 in_err_state:1; 153 }; 154 155 #ifndef QCA_HOST_MODE_WIFI_DISABLED 156 #ifdef ATH_RX_PRI_SAVE 157 #define DP_RX_TID_SAVE(_nbuf, _tid) \ 158 (qdf_nbuf_set_priority(_nbuf, _tid)) 159 #else 160 #define DP_RX_TID_SAVE(_nbuf, _tid) 161 #endif 162 163 /* RX Descriptor Multi Page memory alloc related */ 164 #define DP_RX_DESC_OFFSET_NUM_BITS 8 165 #define DP_RX_DESC_PAGE_ID_NUM_BITS 8 166 #define DP_RX_DESC_POOL_ID_NUM_BITS 4 167 168 #define DP_RX_DESC_PAGE_ID_SHIFT DP_RX_DESC_OFFSET_NUM_BITS 169 #define DP_RX_DESC_POOL_ID_SHIFT \ 170 (DP_RX_DESC_OFFSET_NUM_BITS + DP_RX_DESC_PAGE_ID_NUM_BITS) 171 #define RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK \ 172 (((1 << DP_RX_DESC_POOL_ID_NUM_BITS) - 1) << DP_RX_DESC_POOL_ID_SHIFT) 173 #define RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK \ 174 (((1 << DP_RX_DESC_PAGE_ID_NUM_BITS) - 1) << \ 175 DP_RX_DESC_PAGE_ID_SHIFT) 176 #define RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK \ 177 ((1 << DP_RX_DESC_OFFSET_NUM_BITS) - 1) 178 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(_cookie) \ 179 (((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK) >> \ 180 DP_RX_DESC_POOL_ID_SHIFT) 181 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(_cookie) \ 182 (((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK) >> \ 183 DP_RX_DESC_PAGE_ID_SHIFT) 184 #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(_cookie) \ 185 ((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK) 186 187 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 188 189 #define RX_DESC_COOKIE_INDEX_SHIFT 0 190 #define RX_DESC_COOKIE_INDEX_MASK 0x3ffff /* 18 bits */ 191 #define RX_DESC_COOKIE_POOL_ID_SHIFT 18 192 #define RX_DESC_COOKIE_POOL_ID_MASK 0x1c0000 193 194 #define DP_RX_DESC_COOKIE_MAX \ 195 (RX_DESC_COOKIE_INDEX_MASK | RX_DESC_COOKIE_POOL_ID_MASK) 196 197 #define DP_RX_DESC_COOKIE_POOL_ID_GET(_cookie) \ 198 (((_cookie) & RX_DESC_COOKIE_POOL_ID_MASK) >> \ 199 RX_DESC_COOKIE_POOL_ID_SHIFT) 200 201 #define DP_RX_DESC_COOKIE_INDEX_GET(_cookie) \ 202 (((_cookie) & RX_DESC_COOKIE_INDEX_MASK) >> \ 203 RX_DESC_COOKIE_INDEX_SHIFT) 204 205 #define dp_rx_add_to_free_desc_list(head, tail, new) \ 206 __dp_rx_add_to_free_desc_list(head, tail, new, __func__) 207 208 #define dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \ 209 num_buffers, desc_list, tail, req_only) \ 210 __dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \ 211 num_buffers, desc_list, tail, req_only, \ 212 __func__) 213 214 #ifdef WLAN_SUPPORT_RX_FISA 215 /** 216 * dp_rx_set_hdr_pad() - set l3 padding in nbuf cb 217 * @nbuf: pkt skb pointer 218 * @l3_padding: l3 padding 219 * 220 * Return: None 221 */ 222 static inline 223 void dp_rx_set_hdr_pad(qdf_nbuf_t nbuf, uint32_t l3_padding) 224 { 225 QDF_NBUF_CB_RX_PACKET_L3_HDR_PAD(nbuf) = l3_padding; 226 } 227 #else 228 static inline 229 void dp_rx_set_hdr_pad(qdf_nbuf_t nbuf, uint32_t l3_padding) 230 { 231 } 232 #endif 233 234 #ifdef DP_RX_SPECIAL_FRAME_NEED 235 /** 236 * dp_rx_is_special_frame() - check is RX frame special needed 237 * 238 * @nbuf: RX skb pointer 239 * @frame_mask: the mask for special frame needed 240 * 241 * Check is RX frame wanted matched with mask 242 * 243 * Return: true - special frame needed, false - no 244 */ 245 static inline 246 bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask) 247 { 248 if (((frame_mask & FRAME_MASK_IPV4_ARP) && 249 qdf_nbuf_is_ipv4_arp_pkt(nbuf)) || 250 ((frame_mask & FRAME_MASK_IPV4_DHCP) && 251 qdf_nbuf_is_ipv4_dhcp_pkt(nbuf)) || 252 ((frame_mask & FRAME_MASK_IPV4_EAPOL) && 253 qdf_nbuf_is_ipv4_eapol_pkt(nbuf)) || 254 ((frame_mask & FRAME_MASK_IPV6_DHCP) && 255 qdf_nbuf_is_ipv6_dhcp_pkt(nbuf))) 256 return true; 257 258 return false; 259 } 260 261 /** 262 * dp_rx_deliver_special_frame() - Deliver the RX special frame to stack 263 * if matches mask 264 * 265 * @soc: Datapath soc handler 266 * @peer: pointer to DP peer 267 * @nbuf: pointer to the skb of RX frame 268 * @frame_mask: the mask for special frame needed 269 * @rx_tlv_hdr: start of rx tlv header 270 * 271 * note: Msdu_len must have been stored in QDF_NBUF_CB_RX_PKT_LEN(nbuf) and 272 * single nbuf is expected. 273 * 274 * return: true - nbuf has been delivered to stack, false - not. 275 */ 276 bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_txrx_peer *peer, 277 qdf_nbuf_t nbuf, uint32_t frame_mask, 278 uint8_t *rx_tlv_hdr); 279 #else 280 static inline 281 bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask) 282 { 283 return false; 284 } 285 286 static inline 287 bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_txrx_peer *peer, 288 qdf_nbuf_t nbuf, uint32_t frame_mask, 289 uint8_t *rx_tlv_hdr) 290 { 291 return false; 292 } 293 #endif 294 295 #ifdef FEATURE_RX_LINKSPEED_ROAM_TRIGGER 296 /** 297 * dp_rx_data_is_specific() - Used to exclude specific frames 298 * not practical for getting rx 299 * stats like rate, mcs, nss, etc. 300 * 301 * @hal-soc_hdl: soc handler 302 * @rx_tlv_hdr: rx tlv header 303 * @nbuf: RX skb pointer 304 * 305 * Return: true - a specific frame not suitable 306 * for getting rx stats from it. 307 * false - a common frame suitable for 308 * getting rx stats from it. 309 */ 310 static inline 311 bool dp_rx_data_is_specific(hal_soc_handle_t hal_soc_hdl, 312 uint8_t *rx_tlv_hdr, 313 qdf_nbuf_t nbuf) 314 { 315 if (qdf_unlikely(qdf_nbuf_is_da_mcbc(nbuf))) 316 return true; 317 318 if (!hal_rx_tlv_first_mpdu_get(hal_soc_hdl, rx_tlv_hdr)) 319 return true; 320 321 if (!hal_rx_msdu_end_first_msdu_get(hal_soc_hdl, rx_tlv_hdr)) 322 return true; 323 324 /* ARP, EAPOL is neither IPV6 ETH nor IPV4 ETH from L3 level */ 325 if (qdf_likely(hal_rx_tlv_l3_type_get(hal_soc_hdl, rx_tlv_hdr) == 326 QDF_NBUF_TRAC_IPV4_ETH_TYPE)) { 327 if (qdf_nbuf_is_ipv4_dhcp_pkt(nbuf)) 328 return true; 329 } else if (qdf_likely(hal_rx_tlv_l3_type_get(hal_soc_hdl, rx_tlv_hdr) == 330 QDF_NBUF_TRAC_IPV6_ETH_TYPE)) { 331 if (qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)) 332 return true; 333 } else { 334 return true; 335 } 336 return false; 337 } 338 #else 339 static inline 340 bool dp_rx_data_is_specific(hal_soc_handle_t hal_soc_hdl, 341 uint8_t *rx_tlv_hdr, 342 qdf_nbuf_t nbuf) 343 344 { 345 /* 346 * default return is true to make sure that rx stats 347 * will not be handled when this feature is disabled 348 */ 349 return true; 350 } 351 #endif /* FEATURE_RX_LINKSPEED_ROAM_TRIGGER */ 352 353 #ifndef QCA_HOST_MODE_WIFI_DISABLED 354 #ifdef DP_RX_DISABLE_NDI_MDNS_FORWARDING 355 static inline 356 bool dp_rx_check_ndi_mdns_fwding(struct dp_txrx_peer *ta_txrx_peer, 357 qdf_nbuf_t nbuf) 358 { 359 if (ta_txrx_peer->vdev->opmode == wlan_op_mode_ndi && 360 qdf_nbuf_is_ipv6_mdns_pkt(nbuf)) { 361 DP_PEER_PER_PKT_STATS_INC(ta_txrx_peer, 362 rx.intra_bss.mdns_no_fwd, 1); 363 return false; 364 } 365 return true; 366 } 367 #else 368 static inline 369 bool dp_rx_check_ndi_mdns_fwding(struct dp_txrx_peer *ta_txrx_peer, 370 qdf_nbuf_t nbuf) 371 { 372 return true; 373 } 374 #endif 375 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 376 377 /* DOC: Offset to obtain LLC hdr 378 * 379 * In the case of Wifi parse error 380 * to reach LLC header from beginning 381 * of VLAN tag we need to skip 8 bytes. 382 * Vlan_tag(4)+length(2)+length added 383 * by HW(2) = 8 bytes. 384 */ 385 #define DP_SKIP_VLAN 8 386 387 #ifndef QCA_HOST_MODE_WIFI_DISABLED 388 389 /** 390 * struct dp_rx_cached_buf - rx cached buffer 391 * @list: linked list node 392 * @buf: skb buffer 393 */ 394 struct dp_rx_cached_buf { 395 qdf_list_node_t node; 396 qdf_nbuf_t buf; 397 }; 398 399 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 400 401 /* 402 *dp_rx_xor_block() - xor block of data 403 *@b: destination data block 404 *@a: source data block 405 *@len: length of the data to process 406 * 407 *Returns: None 408 */ 409 static inline void dp_rx_xor_block(uint8_t *b, const uint8_t *a, qdf_size_t len) 410 { 411 qdf_size_t i; 412 413 for (i = 0; i < len; i++) 414 b[i] ^= a[i]; 415 } 416 417 /* 418 *dp_rx_rotl() - rotate the bits left 419 *@val: unsigned integer input value 420 *@bits: number of bits 421 * 422 *Returns: Integer with left rotated by number of 'bits' 423 */ 424 static inline uint32_t dp_rx_rotl(uint32_t val, int bits) 425 { 426 return (val << bits) | (val >> (32 - bits)); 427 } 428 429 /* 430 *dp_rx_rotr() - rotate the bits right 431 *@val: unsigned integer input value 432 *@bits: number of bits 433 * 434 *Returns: Integer with right rotated by number of 'bits' 435 */ 436 static inline uint32_t dp_rx_rotr(uint32_t val, int bits) 437 { 438 return (val >> bits) | (val << (32 - bits)); 439 } 440 441 /* 442 * dp_set_rx_queue() - set queue_mapping in skb 443 * @nbuf: skb 444 * @queue_id: rx queue_id 445 * 446 * Return: void 447 */ 448 #ifdef QCA_OL_RX_MULTIQ_SUPPORT 449 static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id) 450 { 451 qdf_nbuf_record_rx_queue(nbuf, queue_id); 452 return; 453 } 454 #else 455 static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id) 456 { 457 } 458 #endif 459 460 /* 461 *dp_rx_xswap() - swap the bits left 462 *@val: unsigned integer input value 463 * 464 *Returns: Integer with bits swapped 465 */ 466 static inline uint32_t dp_rx_xswap(uint32_t val) 467 { 468 return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8); 469 } 470 471 /* 472 *dp_rx_get_le32_split() - get little endian 32 bits split 473 *@b0: byte 0 474 *@b1: byte 1 475 *@b2: byte 2 476 *@b3: byte 3 477 * 478 *Returns: Integer with split little endian 32 bits 479 */ 480 static inline uint32_t dp_rx_get_le32_split(uint8_t b0, uint8_t b1, uint8_t b2, 481 uint8_t b3) 482 { 483 return b0 | (b1 << 8) | (b2 << 16) | (b3 << 24); 484 } 485 486 /* 487 *dp_rx_get_le32() - get little endian 32 bits 488 *@b0: byte 0 489 *@b1: byte 1 490 *@b2: byte 2 491 *@b3: byte 3 492 * 493 *Returns: Integer with little endian 32 bits 494 */ 495 static inline uint32_t dp_rx_get_le32(const uint8_t *p) 496 { 497 return dp_rx_get_le32_split(p[0], p[1], p[2], p[3]); 498 } 499 500 /* 501 * dp_rx_put_le32() - put little endian 32 bits 502 * @p: destination char array 503 * @v: source 32-bit integer 504 * 505 * Returns: None 506 */ 507 static inline void dp_rx_put_le32(uint8_t *p, uint32_t v) 508 { 509 p[0] = (v) & 0xff; 510 p[1] = (v >> 8) & 0xff; 511 p[2] = (v >> 16) & 0xff; 512 p[3] = (v >> 24) & 0xff; 513 } 514 515 /* Extract michal mic block of data */ 516 #define dp_rx_michael_block(l, r) \ 517 do { \ 518 r ^= dp_rx_rotl(l, 17); \ 519 l += r; \ 520 r ^= dp_rx_xswap(l); \ 521 l += r; \ 522 r ^= dp_rx_rotl(l, 3); \ 523 l += r; \ 524 r ^= dp_rx_rotr(l, 2); \ 525 l += r; \ 526 } while (0) 527 528 /** 529 * struct dp_rx_desc_list_elem_t 530 * 531 * @next : Next pointer to form free list 532 * @rx_desc : DP Rx descriptor 533 */ 534 union dp_rx_desc_list_elem_t { 535 union dp_rx_desc_list_elem_t *next; 536 struct dp_rx_desc rx_desc; 537 }; 538 539 #ifdef RX_DESC_MULTI_PAGE_ALLOC 540 /** 541 * dp_rx_desc_find() - find dp rx descriptor from page ID and offset 542 * @page_id: Page ID 543 * @offset: Offset of the descriptor element 544 * 545 * Return: RX descriptor element 546 */ 547 union dp_rx_desc_list_elem_t *dp_rx_desc_find(uint16_t page_id, uint16_t offset, 548 struct rx_desc_pool *rx_pool); 549 550 static inline 551 struct dp_rx_desc *dp_get_rx_desc_from_cookie(struct dp_soc *soc, 552 struct rx_desc_pool *pool, 553 uint32_t cookie) 554 { 555 uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie); 556 uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie); 557 uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie); 558 struct rx_desc_pool *rx_desc_pool; 559 union dp_rx_desc_list_elem_t *rx_desc_elem; 560 561 if (qdf_unlikely(pool_id >= MAX_PDEV_CNT)) 562 return NULL; 563 564 rx_desc_pool = &pool[pool_id]; 565 rx_desc_elem = (union dp_rx_desc_list_elem_t *) 566 (rx_desc_pool->desc_pages.cacheable_pages[page_id] + 567 rx_desc_pool->elem_size * offset); 568 569 return &rx_desc_elem->rx_desc; 570 } 571 572 static inline 573 struct dp_rx_desc *dp_get_rx_mon_status_desc_from_cookie(struct dp_soc *soc, 574 struct rx_desc_pool *pool, 575 uint32_t cookie) 576 { 577 uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie); 578 uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie); 579 uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie); 580 struct rx_desc_pool *rx_desc_pool; 581 union dp_rx_desc_list_elem_t *rx_desc_elem; 582 583 if (qdf_unlikely(pool_id >= NUM_RXDMA_RINGS_PER_PDEV)) 584 return NULL; 585 586 rx_desc_pool = &pool[pool_id]; 587 rx_desc_elem = (union dp_rx_desc_list_elem_t *) 588 (rx_desc_pool->desc_pages.cacheable_pages[page_id] + 589 rx_desc_pool->elem_size * offset); 590 591 return &rx_desc_elem->rx_desc; 592 } 593 594 /** 595 * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of 596 * the Rx descriptor on Rx DMA source ring buffer 597 * @soc: core txrx main context 598 * @cookie: cookie used to lookup virtual address 599 * 600 * Return: Pointer to the Rx descriptor 601 */ 602 static inline 603 struct dp_rx_desc *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, 604 uint32_t cookie) 605 { 606 return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_buf[0], cookie); 607 } 608 609 /** 610 * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of 611 * the Rx descriptor on monitor ring buffer 612 * @soc: core txrx main context 613 * @cookie: cookie used to lookup virtual address 614 * 615 * Return: Pointer to the Rx descriptor 616 */ 617 static inline 618 struct dp_rx_desc *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, 619 uint32_t cookie) 620 { 621 return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_mon[0], cookie); 622 } 623 624 /** 625 * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of 626 * the Rx descriptor on monitor status ring buffer 627 * @soc: core txrx main context 628 * @cookie: cookie used to lookup virtual address 629 * 630 * Return: Pointer to the Rx descriptor 631 */ 632 static inline 633 struct dp_rx_desc *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, 634 uint32_t cookie) 635 { 636 return dp_get_rx_mon_status_desc_from_cookie(soc, 637 &soc->rx_desc_status[0], 638 cookie); 639 } 640 #else 641 642 void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id, 643 uint32_t pool_size, 644 struct rx_desc_pool *rx_desc_pool); 645 646 /** 647 * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of 648 * the Rx descriptor on Rx DMA source ring buffer 649 * @soc: core txrx main context 650 * @cookie: cookie used to lookup virtual address 651 * 652 * Return: void *: Virtual Address of the Rx descriptor 653 */ 654 static inline 655 void *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, uint32_t cookie) 656 { 657 uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie); 658 uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie); 659 struct rx_desc_pool *rx_desc_pool; 660 661 if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS)) 662 return NULL; 663 664 rx_desc_pool = &soc->rx_desc_buf[pool_id]; 665 666 if (qdf_unlikely(index >= rx_desc_pool->pool_size)) 667 return NULL; 668 669 return &rx_desc_pool->array[index].rx_desc; 670 } 671 672 /** 673 * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of 674 * the Rx descriptor on monitor ring buffer 675 * @soc: core txrx main context 676 * @cookie: cookie used to lookup virtual address 677 * 678 * Return: void *: Virtual Address of the Rx descriptor 679 */ 680 static inline 681 void *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, uint32_t cookie) 682 { 683 uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie); 684 uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie); 685 /* TODO */ 686 /* Add sanity for pool_id & index */ 687 return &(soc->rx_desc_mon[pool_id].array[index].rx_desc); 688 } 689 690 /** 691 * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of 692 * the Rx descriptor on monitor status ring buffer 693 * @soc: core txrx main context 694 * @cookie: cookie used to lookup virtual address 695 * 696 * Return: void *: Virtual Address of the Rx descriptor 697 */ 698 static inline 699 void *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, uint32_t cookie) 700 { 701 uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie); 702 uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie); 703 /* TODO */ 704 /* Add sanity for pool_id & index */ 705 return &(soc->rx_desc_status[pool_id].array[index].rx_desc); 706 } 707 #endif /* RX_DESC_MULTI_PAGE_ALLOC */ 708 709 #ifndef QCA_HOST_MODE_WIFI_DISABLED 710 711 static inline bool dp_rx_check_ap_bridge(struct dp_vdev *vdev) 712 { 713 return vdev->ap_bridge_enabled; 714 } 715 716 #ifdef DP_RX_DESC_COOKIE_INVALIDATE 717 static inline QDF_STATUS 718 dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc) 719 { 720 if (qdf_unlikely(HAL_RX_REO_BUF_COOKIE_INVALID_GET(ring_desc))) 721 return QDF_STATUS_E_FAILURE; 722 723 HAL_RX_REO_BUF_COOKIE_INVALID_SET(ring_desc); 724 return QDF_STATUS_SUCCESS; 725 } 726 727 /** 728 * dp_rx_cookie_reset_invalid_bit() - Reset the invalid bit of the cookie 729 * field in ring descriptor 730 * @ring_desc: ring descriptor 731 * 732 * Return: None 733 */ 734 static inline void 735 dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc) 736 { 737 HAL_RX_REO_BUF_COOKIE_INVALID_RESET(ring_desc); 738 } 739 #else 740 static inline QDF_STATUS 741 dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc) 742 { 743 return QDF_STATUS_SUCCESS; 744 } 745 746 static inline void 747 dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc) 748 { 749 } 750 #endif 751 752 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 753 754 #if defined(RX_DESC_MULTI_PAGE_ALLOC) && \ 755 defined(DP_WAR_VALIDATE_RX_ERR_MSDU_COOKIE) 756 /** 757 * dp_rx_is_sw_cookie_valid() - check whether SW cookie valid 758 * @soc: dp soc ref 759 * @cookie: Rx buf SW cookie value 760 * 761 * Return: true if cookie is valid else false 762 */ 763 static inline bool dp_rx_is_sw_cookie_valid(struct dp_soc *soc, 764 uint32_t cookie) 765 { 766 uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie); 767 uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie); 768 uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie); 769 struct rx_desc_pool *rx_desc_pool; 770 771 if (qdf_unlikely(pool_id >= MAX_PDEV_CNT)) 772 goto fail; 773 774 rx_desc_pool = &soc->rx_desc_buf[pool_id]; 775 776 if (page_id >= rx_desc_pool->desc_pages.num_pages || 777 offset >= rx_desc_pool->desc_pages.num_element_per_page) 778 goto fail; 779 780 return true; 781 782 fail: 783 DP_STATS_INC(soc, rx.err.invalid_cookie, 1); 784 return false; 785 } 786 #else 787 /** 788 * dp_rx_is_sw_cookie_valid() - check whether SW cookie valid 789 * @soc: dp soc ref 790 * @cookie: Rx buf SW cookie value 791 * 792 * When multi page alloc is disabled SW cookie validness is 793 * checked while fetching Rx descriptor, so no need to check here 794 * Return: true if cookie is valid else false 795 */ 796 static inline bool dp_rx_is_sw_cookie_valid(struct dp_soc *soc, 797 uint32_t cookie) 798 { 799 return true; 800 } 801 #endif 802 803 QDF_STATUS dp_rx_desc_pool_is_allocated(struct rx_desc_pool *rx_desc_pool); 804 QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc, 805 uint32_t pool_size, 806 struct rx_desc_pool *rx_desc_pool); 807 808 void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id, 809 uint32_t pool_size, 810 struct rx_desc_pool *rx_desc_pool); 811 812 void dp_rx_add_desc_list_to_free_list(struct dp_soc *soc, 813 union dp_rx_desc_list_elem_t **local_desc_list, 814 union dp_rx_desc_list_elem_t **tail, 815 uint16_t pool_id, 816 struct rx_desc_pool *rx_desc_pool); 817 818 uint16_t dp_rx_get_free_desc_list(struct dp_soc *soc, uint32_t pool_id, 819 struct rx_desc_pool *rx_desc_pool, 820 uint16_t num_descs, 821 union dp_rx_desc_list_elem_t **desc_list, 822 union dp_rx_desc_list_elem_t **tail); 823 824 QDF_STATUS dp_rx_pdev_desc_pool_alloc(struct dp_pdev *pdev); 825 void dp_rx_pdev_desc_pool_free(struct dp_pdev *pdev); 826 827 QDF_STATUS dp_rx_pdev_desc_pool_init(struct dp_pdev *pdev); 828 void dp_rx_pdev_desc_pool_deinit(struct dp_pdev *pdev); 829 void dp_rx_desc_pool_deinit(struct dp_soc *soc, 830 struct rx_desc_pool *rx_desc_pool, 831 uint32_t pool_id); 832 833 QDF_STATUS dp_rx_pdev_attach(struct dp_pdev *pdev); 834 QDF_STATUS dp_rx_pdev_buffers_alloc(struct dp_pdev *pdev); 835 void dp_rx_pdev_buffers_free(struct dp_pdev *pdev); 836 837 void dp_rx_pdev_detach(struct dp_pdev *pdev); 838 839 void dp_print_napi_stats(struct dp_soc *soc); 840 841 /** 842 * dp_rx_vdev_detach() - detach vdev from dp rx 843 * @vdev: virtual device instance 844 * 845 * Return: QDF_STATUS_SUCCESS: success 846 * QDF_STATUS_E_RESOURCES: Error return 847 */ 848 QDF_STATUS dp_rx_vdev_detach(struct dp_vdev *vdev); 849 850 #ifndef QCA_HOST_MODE_WIFI_DISABLED 851 852 uint32_t 853 dp_rx_process(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl, 854 uint8_t reo_ring_num, 855 uint32_t quota); 856 857 /** 858 * dp_rx_err_process() - Processes error frames routed to REO error ring 859 * @int_ctx: pointer to DP interrupt context 860 * @soc: core txrx main context 861 * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced 862 * @quota: No. of units (packets) that can be serviced in one shot. 863 * 864 * This function implements error processing and top level demultiplexer 865 * for all the frames routed to REO error ring. 866 * 867 * Return: uint32_t: No. of elements processed 868 */ 869 uint32_t dp_rx_err_process(struct dp_intr *int_ctx, struct dp_soc *soc, 870 hal_ring_handle_t hal_ring_hdl, uint32_t quota); 871 872 /** 873 * dp_rx_wbm_err_process() - Processes error frames routed to WBM release ring 874 * @int_ctx: pointer to DP interrupt context 875 * @soc: core txrx main context 876 * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced 877 * @quota: No. of units (packets) that can be serviced in one shot. 878 * 879 * This function implements error processing and top level demultiplexer 880 * for all the frames routed to WBM2HOST sw release ring. 881 * 882 * Return: uint32_t: No. of elements processed 883 */ 884 uint32_t 885 dp_rx_wbm_err_process(struct dp_intr *int_ctx, struct dp_soc *soc, 886 hal_ring_handle_t hal_ring_hdl, uint32_t quota); 887 888 /** 889 * dp_rx_sg_create() - create a frag_list for MSDUs which are spread across 890 * multiple nbufs. 891 * @soc: core txrx main context 892 * @nbuf: pointer to the first msdu of an amsdu. 893 * 894 * This function implements the creation of RX frag_list for cases 895 * where an MSDU is spread across multiple nbufs. 896 * 897 * Return: returns the head nbuf which contains complete frag_list. 898 */ 899 qdf_nbuf_t dp_rx_sg_create(struct dp_soc *soc, qdf_nbuf_t nbuf); 900 901 /** 902 * dp_rx_is_sg_supported() - SG packets processing supported or not. 903 * 904 * Return: returns true when processing is supported else false. 905 */ 906 bool dp_rx_is_sg_supported(void); 907 908 /* 909 * dp_rx_desc_nbuf_and_pool_free() - free the sw rx desc pool called during 910 * de-initialization of wifi module. 911 * 912 * @soc: core txrx main context 913 * @pool_id: pool_id which is one of 3 mac_ids 914 * @rx_desc_pool: rx descriptor pool pointer 915 * 916 * Return: None 917 */ 918 void dp_rx_desc_nbuf_and_pool_free(struct dp_soc *soc, uint32_t pool_id, 919 struct rx_desc_pool *rx_desc_pool); 920 921 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 922 923 /* 924 * dp_rx_desc_nbuf_free() - free the sw rx desc nbufs called during 925 * de-initialization of wifi module. 926 * 927 * @soc: core txrx main context 928 * @pool_id: pool_id which is one of 3 mac_ids 929 * @rx_desc_pool: rx descriptor pool pointer 930 * 931 * Return: None 932 */ 933 void dp_rx_desc_nbuf_free(struct dp_soc *soc, 934 struct rx_desc_pool *rx_desc_pool); 935 936 #ifdef DP_RX_MON_MEM_FRAG 937 /* 938 * dp_rx_desc_frag_free() - free the sw rx desc frag called during 939 * de-initialization of wifi module. 940 * 941 * @soc: core txrx main context 942 * @rx_desc_pool: rx descriptor pool pointer 943 * 944 * Return: None 945 */ 946 void dp_rx_desc_frag_free(struct dp_soc *soc, 947 struct rx_desc_pool *rx_desc_pool); 948 #else 949 static inline 950 void dp_rx_desc_frag_free(struct dp_soc *soc, 951 struct rx_desc_pool *rx_desc_pool) 952 { 953 } 954 #endif 955 /* 956 * dp_rx_desc_pool_free() - free the sw rx desc array called during 957 * de-initialization of wifi module. 958 * 959 * @soc: core txrx main context 960 * @rx_desc_pool: rx descriptor pool pointer 961 * 962 * Return: None 963 */ 964 void dp_rx_desc_pool_free(struct dp_soc *soc, 965 struct rx_desc_pool *rx_desc_pool); 966 967 void dp_rx_deliver_raw(struct dp_vdev *vdev, qdf_nbuf_t nbuf_list, 968 struct dp_txrx_peer *peer); 969 970 #ifdef RX_DESC_LOGGING 971 /* 972 * dp_rx_desc_alloc_dbg_info() - Alloc memory for rx descriptor debug 973 * structure 974 * @rx_desc: rx descriptor pointer 975 * 976 * Return: None 977 */ 978 static inline 979 void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc) 980 { 981 rx_desc->dbg_info = qdf_mem_malloc(sizeof(struct dp_rx_desc_dbg_info)); 982 } 983 984 /* 985 * dp_rx_desc_free_dbg_info() - Free rx descriptor debug 986 * structure memory 987 * @rx_desc: rx descriptor pointer 988 * 989 * Return: None 990 */ 991 static inline 992 void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc) 993 { 994 qdf_mem_free(rx_desc->dbg_info); 995 } 996 997 /* 998 * dp_rx_desc_update_dbg_info() - Update rx descriptor debug info 999 * structure memory 1000 * @rx_desc: rx descriptor pointer 1001 * 1002 * Return: None 1003 */ 1004 static 1005 void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc, 1006 const char *func_name, uint8_t flag) 1007 { 1008 struct dp_rx_desc_dbg_info *info = rx_desc->dbg_info; 1009 1010 if (!info) 1011 return; 1012 1013 if (flag == RX_DESC_REPLENISHED) { 1014 qdf_str_lcopy(info->replenish_caller, func_name, 1015 QDF_MEM_FUNC_NAME_SIZE); 1016 info->replenish_ts = qdf_get_log_timestamp(); 1017 } else { 1018 qdf_str_lcopy(info->freelist_caller, func_name, 1019 QDF_MEM_FUNC_NAME_SIZE); 1020 info->freelist_ts = qdf_get_log_timestamp(); 1021 info->prev_nbuf = rx_desc->nbuf; 1022 info->prev_nbuf_data_addr = rx_desc->nbuf_data_addr; 1023 rx_desc->nbuf_data_addr = NULL; 1024 } 1025 } 1026 #else 1027 1028 static inline 1029 void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc) 1030 { 1031 } 1032 1033 static inline 1034 void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc) 1035 { 1036 } 1037 1038 static inline 1039 void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc, 1040 const char *func_name, uint8_t flag) 1041 { 1042 } 1043 #endif /* RX_DESC_LOGGING */ 1044 1045 /** 1046 * dp_rx_add_to_free_desc_list() - Adds to a local free descriptor list 1047 * 1048 * @head: pointer to the head of local free list 1049 * @tail: pointer to the tail of local free list 1050 * @new: new descriptor that is added to the free list 1051 * @func_name: caller func name 1052 * 1053 * Return: void: 1054 */ 1055 static inline 1056 void __dp_rx_add_to_free_desc_list(union dp_rx_desc_list_elem_t **head, 1057 union dp_rx_desc_list_elem_t **tail, 1058 struct dp_rx_desc *new, const char *func_name) 1059 { 1060 qdf_assert(head && new); 1061 1062 dp_rx_desc_update_dbg_info(new, func_name, RX_DESC_IN_FREELIST); 1063 1064 new->nbuf = NULL; 1065 new->in_use = 0; 1066 1067 ((union dp_rx_desc_list_elem_t *)new)->next = *head; 1068 *head = (union dp_rx_desc_list_elem_t *)new; 1069 /* reset tail if head->next is NULL */ 1070 if (!*tail || !(*head)->next) 1071 *tail = *head; 1072 } 1073 1074 uint8_t dp_rx_process_invalid_peer(struct dp_soc *soc, qdf_nbuf_t nbuf, 1075 uint8_t mac_id); 1076 void dp_rx_process_invalid_peer_wrapper(struct dp_soc *soc, 1077 qdf_nbuf_t mpdu, bool mpdu_done, uint8_t mac_id); 1078 void dp_rx_process_mic_error(struct dp_soc *soc, qdf_nbuf_t nbuf, 1079 uint8_t *rx_tlv_hdr, struct dp_txrx_peer *peer); 1080 void dp_2k_jump_handle(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, 1081 uint16_t peer_id, uint8_t tid); 1082 1083 #define DP_RX_HEAD_APPEND(head, elem) \ 1084 do { \ 1085 qdf_nbuf_set_next((elem), (head)); \ 1086 (head) = (elem); \ 1087 } while (0) 1088 1089 1090 #define DP_RX_LIST_APPEND(head, tail, elem) \ 1091 do { \ 1092 if (!(head)) { \ 1093 (head) = (elem); \ 1094 QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head) = 1;\ 1095 } else { \ 1096 qdf_nbuf_set_next((tail), (elem)); \ 1097 QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head)++; \ 1098 } \ 1099 (tail) = (elem); \ 1100 qdf_nbuf_set_next((tail), NULL); \ 1101 } while (0) 1102 1103 #define DP_RX_MERGE_TWO_LIST(phead, ptail, chead, ctail) \ 1104 do { \ 1105 if (!(phead)) { \ 1106 (phead) = (chead); \ 1107 } else { \ 1108 qdf_nbuf_set_next((ptail), (chead)); \ 1109 QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(phead) += \ 1110 QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(chead); \ 1111 } \ 1112 (ptail) = (ctail); \ 1113 qdf_nbuf_set_next((ptail), NULL); \ 1114 } while (0) 1115 1116 #if defined(QCA_PADDR_CHECK_ON_3TH_PLATFORM) 1117 /* 1118 * on some third-party platform, the memory below 0x2000 1119 * is reserved for target use, so any memory allocated in this 1120 * region should not be used by host 1121 */ 1122 #define MAX_RETRY 50 1123 #define DP_PHY_ADDR_RESERVED 0x2000 1124 #elif defined(BUILD_X86) 1125 /* 1126 * in M2M emulation platforms (x86) the memory below 0x50000000 1127 * is reserved for target use, so any memory allocated in this 1128 * region should not be used by host 1129 */ 1130 #define MAX_RETRY 100 1131 #define DP_PHY_ADDR_RESERVED 0x50000000 1132 #endif 1133 1134 #if defined(QCA_PADDR_CHECK_ON_3TH_PLATFORM) || defined(BUILD_X86) 1135 /** 1136 * dp_check_paddr() - check if current phy address is valid or not 1137 * @dp_soc: core txrx main context 1138 * @rx_netbuf: skb buffer 1139 * @paddr: physical address 1140 * @rx_desc_pool: struct of rx descriptor pool 1141 * check if the physical address of the nbuf->data is less 1142 * than DP_PHY_ADDR_RESERVED then free the nbuf and try 1143 * allocating new nbuf. We can try for 100 times. 1144 * 1145 * This is a temp WAR till we fix it properly. 1146 * 1147 * Return: success or failure. 1148 */ 1149 static inline 1150 int dp_check_paddr(struct dp_soc *dp_soc, 1151 qdf_nbuf_t *rx_netbuf, 1152 qdf_dma_addr_t *paddr, 1153 struct rx_desc_pool *rx_desc_pool) 1154 { 1155 uint32_t nbuf_retry = 0; 1156 int32_t ret; 1157 1158 if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED)) 1159 return QDF_STATUS_SUCCESS; 1160 1161 do { 1162 dp_debug("invalid phy addr 0x%llx, trying again", 1163 (uint64_t)(*paddr)); 1164 nbuf_retry++; 1165 if ((*rx_netbuf)) { 1166 /* Not freeing buffer intentionally. 1167 * Observed that same buffer is getting 1168 * re-allocated resulting in longer load time 1169 * WMI init timeout. 1170 * This buffer is anyway not useful so skip it. 1171 *.Add such buffer to invalid list and free 1172 *.them when driver unload. 1173 **/ 1174 qdf_nbuf_unmap_nbytes_single(dp_soc->osdev, 1175 *rx_netbuf, 1176 QDF_DMA_FROM_DEVICE, 1177 rx_desc_pool->buf_size); 1178 qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue, 1179 *rx_netbuf); 1180 } 1181 1182 *rx_netbuf = qdf_nbuf_alloc(dp_soc->osdev, 1183 rx_desc_pool->buf_size, 1184 RX_BUFFER_RESERVATION, 1185 rx_desc_pool->buf_alignment, 1186 FALSE); 1187 1188 if (qdf_unlikely(!(*rx_netbuf))) 1189 return QDF_STATUS_E_FAILURE; 1190 1191 ret = qdf_nbuf_map_nbytes_single(dp_soc->osdev, 1192 *rx_netbuf, 1193 QDF_DMA_FROM_DEVICE, 1194 rx_desc_pool->buf_size); 1195 1196 if (qdf_unlikely(ret == QDF_STATUS_E_FAILURE)) { 1197 qdf_nbuf_free(*rx_netbuf); 1198 *rx_netbuf = NULL; 1199 continue; 1200 } 1201 1202 *paddr = qdf_nbuf_get_frag_paddr(*rx_netbuf, 0); 1203 1204 if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED)) 1205 return QDF_STATUS_SUCCESS; 1206 1207 } while (nbuf_retry < MAX_RETRY); 1208 1209 if ((*rx_netbuf)) { 1210 qdf_nbuf_unmap_nbytes_single(dp_soc->osdev, 1211 *rx_netbuf, 1212 QDF_DMA_FROM_DEVICE, 1213 rx_desc_pool->buf_size); 1214 qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue, 1215 *rx_netbuf); 1216 } 1217 1218 return QDF_STATUS_E_FAILURE; 1219 } 1220 1221 #else 1222 static inline 1223 int dp_check_paddr(struct dp_soc *dp_soc, 1224 qdf_nbuf_t *rx_netbuf, 1225 qdf_dma_addr_t *paddr, 1226 struct rx_desc_pool *rx_desc_pool) 1227 { 1228 return QDF_STATUS_SUCCESS; 1229 } 1230 1231 #endif 1232 1233 /** 1234 * dp_rx_cookie_2_link_desc_va() - Converts cookie to a virtual address of 1235 * the MSDU Link Descriptor 1236 * @soc: core txrx main context 1237 * @buf_info: buf_info includes cookie that is used to lookup 1238 * virtual address of link descriptor after deriving the page id 1239 * and the offset or index of the desc on the associatde page. 1240 * 1241 * This is the VA of the link descriptor, that HAL layer later uses to 1242 * retrieve the list of MSDU's for a given MPDU. 1243 * 1244 * Return: void *: Virtual Address of the Rx descriptor 1245 */ 1246 static inline 1247 void *dp_rx_cookie_2_link_desc_va(struct dp_soc *soc, 1248 struct hal_buf_info *buf_info) 1249 { 1250 void *link_desc_va; 1251 struct qdf_mem_multi_page_t *pages; 1252 uint16_t page_id = LINK_DESC_COOKIE_PAGE_ID(buf_info->sw_cookie); 1253 1254 pages = &soc->link_desc_pages; 1255 if (!pages) 1256 return NULL; 1257 if (qdf_unlikely(page_id >= pages->num_pages)) 1258 return NULL; 1259 link_desc_va = pages->dma_pages[page_id].page_v_addr_start + 1260 (buf_info->paddr - pages->dma_pages[page_id].page_p_addr); 1261 return link_desc_va; 1262 } 1263 1264 #ifndef QCA_HOST_MODE_WIFI_DISABLED 1265 #ifdef DISABLE_EAPOL_INTRABSS_FWD 1266 #ifdef WLAN_FEATURE_11BE_MLO 1267 static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev, 1268 qdf_nbuf_t nbuf) 1269 { 1270 struct qdf_mac_addr *self_mld_mac_addr = 1271 (struct qdf_mac_addr *)vdev->mld_mac_addr.raw; 1272 return qdf_is_macaddr_equal(self_mld_mac_addr, 1273 (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) + 1274 QDF_NBUF_DEST_MAC_OFFSET); 1275 } 1276 #else 1277 static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev, 1278 qdf_nbuf_t nbuf) 1279 { 1280 return false; 1281 } 1282 #endif 1283 1284 static inline bool dp_nbuf_dst_addr_is_self_addr(struct dp_vdev *vdev, 1285 qdf_nbuf_t nbuf) 1286 { 1287 return qdf_is_macaddr_equal((struct qdf_mac_addr *)vdev->mac_addr.raw, 1288 (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) + 1289 QDF_NBUF_DEST_MAC_OFFSET); 1290 } 1291 1292 /* 1293 * dp_rx_intrabss_eapol_drop_check() - API For EAPOL 1294 * pkt with DA not equal to vdev mac addr, fwd is not allowed. 1295 * @soc: core txrx main context 1296 * @ta_txrx_peer: source peer entry 1297 * @rx_tlv_hdr: start address of rx tlvs 1298 * @nbuf: nbuf that has to be intrabss forwarded 1299 * 1300 * Return: true if it is forwarded else false 1301 */ 1302 static inline 1303 bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc, 1304 struct dp_txrx_peer *ta_txrx_peer, 1305 uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf) 1306 { 1307 if (qdf_unlikely(qdf_nbuf_is_ipv4_eapol_pkt(nbuf) && 1308 !(dp_nbuf_dst_addr_is_self_addr(ta_txrx_peer->vdev, 1309 nbuf) || 1310 dp_nbuf_dst_addr_is_mld_addr(ta_txrx_peer->vdev, 1311 nbuf)))) { 1312 qdf_nbuf_free(nbuf); 1313 DP_STATS_INC(soc, rx.err.intrabss_eapol_drop, 1); 1314 return true; 1315 } 1316 1317 return false; 1318 } 1319 #else /* DISABLE_EAPOL_INTRABSS_FWD */ 1320 1321 static inline 1322 bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc, 1323 struct dp_txrx_peer *ta_txrx_peer, 1324 uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf) 1325 { 1326 return false; 1327 } 1328 #endif /* DISABLE_EAPOL_INTRABSS_FWD */ 1329 1330 bool dp_rx_intrabss_mcbc_fwd(struct dp_soc *soc, 1331 struct dp_txrx_peer *ta_txrx_peer, 1332 uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf, 1333 struct cdp_tid_rx_stats *tid_stats); 1334 1335 bool dp_rx_intrabss_ucast_fwd(struct dp_soc *soc, 1336 struct dp_txrx_peer *ta_txrx_peer, 1337 uint8_t tx_vdev_id, 1338 uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf, 1339 struct cdp_tid_rx_stats *tid_stats); 1340 1341 /** 1342 * dp_rx_defrag_concat() - Concatenate the fragments 1343 * 1344 * @dst: destination pointer to the buffer 1345 * @src: source pointer from where the fragment payload is to be copied 1346 * 1347 * Return: QDF_STATUS 1348 */ 1349 static inline QDF_STATUS dp_rx_defrag_concat(qdf_nbuf_t dst, qdf_nbuf_t src) 1350 { 1351 /* 1352 * Inside qdf_nbuf_cat, if it is necessary to reallocate dst 1353 * to provide space for src, the headroom portion is copied from 1354 * the original dst buffer to the larger new dst buffer. 1355 * (This is needed, because the headroom of the dst buffer 1356 * contains the rx desc.) 1357 */ 1358 if (!qdf_nbuf_cat(dst, src)) { 1359 /* 1360 * qdf_nbuf_cat does not free the src memory. 1361 * Free src nbuf before returning 1362 * For failure case the caller takes of freeing the nbuf 1363 */ 1364 qdf_nbuf_free(src); 1365 return QDF_STATUS_SUCCESS; 1366 } 1367 1368 return QDF_STATUS_E_DEFRAG_ERROR; 1369 } 1370 1371 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 1372 1373 #ifndef FEATURE_WDS 1374 void dp_rx_da_learn(struct dp_soc *soc, uint8_t *rx_tlv_hdr, 1375 struct dp_txrx_peer *ta_txrx_peer, qdf_nbuf_t nbuf); 1376 1377 static inline QDF_STATUS dp_rx_ast_set_active(struct dp_soc *soc, uint16_t sa_idx, bool is_active) 1378 { 1379 return QDF_STATUS_SUCCESS; 1380 } 1381 1382 static inline void 1383 dp_rx_wds_srcport_learn(struct dp_soc *soc, 1384 uint8_t *rx_tlv_hdr, 1385 struct dp_txrx_peer *txrx_peer, 1386 qdf_nbuf_t nbuf, 1387 struct hal_rx_msdu_metadata msdu_metadata) 1388 { 1389 } 1390 1391 static inline void 1392 dp_rx_ipa_wds_srcport_learn(struct dp_soc *soc, 1393 struct dp_peer *ta_peer, qdf_nbuf_t nbuf, 1394 struct hal_rx_msdu_metadata msdu_end_info, 1395 bool ad4_valid, bool chfrag_start) 1396 { 1397 } 1398 #endif 1399 1400 /* 1401 * dp_rx_desc_dump() - dump the sw rx descriptor 1402 * 1403 * @rx_desc: sw rx descriptor 1404 */ 1405 static inline void dp_rx_desc_dump(struct dp_rx_desc *rx_desc) 1406 { 1407 dp_info("rx_desc->nbuf: %pK, rx_desc->cookie: %d, rx_desc->pool_id: %d, rx_desc->in_use: %d, rx_desc->unmapped: %d", 1408 rx_desc->nbuf, rx_desc->cookie, rx_desc->pool_id, 1409 rx_desc->in_use, rx_desc->unmapped); 1410 } 1411 1412 #ifndef QCA_HOST_MODE_WIFI_DISABLED 1413 1414 /* 1415 * check_qwrap_multicast_loopback() - Check if rx packet is a loopback packet. 1416 * In qwrap mode, packets originated from 1417 * any vdev should not loopback and 1418 * should be dropped. 1419 * @vdev: vdev on which rx packet is received 1420 * @nbuf: rx pkt 1421 * 1422 */ 1423 #if ATH_SUPPORT_WRAP 1424 static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev, 1425 qdf_nbuf_t nbuf) 1426 { 1427 struct dp_vdev *psta_vdev; 1428 struct dp_pdev *pdev = vdev->pdev; 1429 uint8_t *data = qdf_nbuf_data(nbuf); 1430 1431 if (qdf_unlikely(vdev->proxysta_vdev)) { 1432 /* In qwrap isolation mode, allow loopback packets as all 1433 * packets go to RootAP and Loopback on the mpsta. 1434 */ 1435 if (vdev->isolation_vdev) 1436 return false; 1437 TAILQ_FOREACH(psta_vdev, &pdev->vdev_list, vdev_list_elem) { 1438 if (qdf_unlikely(psta_vdev->proxysta_vdev && 1439 !qdf_mem_cmp(psta_vdev->mac_addr.raw, 1440 &data[QDF_MAC_ADDR_SIZE], 1441 QDF_MAC_ADDR_SIZE))) { 1442 /* Drop packet if source address is equal to 1443 * any of the vdev addresses. 1444 */ 1445 return true; 1446 } 1447 } 1448 } 1449 return false; 1450 } 1451 #else 1452 static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev, 1453 qdf_nbuf_t nbuf) 1454 { 1455 return false; 1456 } 1457 #endif 1458 1459 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 1460 1461 #if defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) ||\ 1462 defined(WLAN_SUPPORT_RX_TAG_STATISTICS) ||\ 1463 defined(WLAN_SUPPORT_RX_FLOW_TAG) 1464 #include "dp_rx_tag.h" 1465 #endif 1466 1467 #if !defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) &&\ 1468 !defined(WLAN_SUPPORT_RX_FLOW_TAG) 1469 /** 1470 * dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV 1471 * and set the corresponding tag in QDF packet 1472 * @soc: core txrx main context 1473 * @vdev: vdev on which the packet is received 1474 * @nbuf: QDF pkt buffer on which the protocol tag should be set 1475 * @rx_tlv_hdr: rBbase address where the RX TLVs starts 1476 * @ring_index: REO ring number, not used for error & monitor ring 1477 * @is_reo_exception: flag to indicate if rx from REO ring or exception ring 1478 * @is_update_stats: flag to indicate whether to update stats or not 1479 * Return: void 1480 */ 1481 static inline void 1482 dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev, 1483 qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, 1484 uint16_t ring_index, 1485 bool is_reo_exception, bool is_update_stats) 1486 { 1487 } 1488 #endif 1489 1490 #ifndef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG 1491 /** 1492 * dp_rx_err_cce_drop() - Reads CCE metadata from the RX MSDU end TLV 1493 * and returns whether cce metadata matches 1494 * @soc: core txrx main context 1495 * @vdev: vdev on which the packet is received 1496 * @nbuf: QDF pkt buffer on which the protocol tag should be set 1497 * @rx_tlv_hdr: rBbase address where the RX TLVs starts 1498 * Return: bool 1499 */ 1500 static inline bool 1501 dp_rx_err_cce_drop(struct dp_soc *soc, struct dp_vdev *vdev, 1502 qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr) 1503 { 1504 return false; 1505 } 1506 1507 #endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */ 1508 1509 #ifndef WLAN_SUPPORT_RX_FLOW_TAG 1510 /** 1511 * dp_rx_update_flow_tag() - Reads FSE metadata from the RX MSDU end TLV 1512 * and set the corresponding tag in QDF packet 1513 * @soc: core txrx main context 1514 * @vdev: vdev on which the packet is received 1515 * @nbuf: QDF pkt buffer on which the protocol tag should be set 1516 * @rx_tlv_hdr: base address where the RX TLVs starts 1517 * @is_update_stats: flag to indicate whether to update stats or not 1518 * 1519 * Return: void 1520 */ 1521 static inline void 1522 dp_rx_update_flow_tag(struct dp_soc *soc, struct dp_vdev *vdev, 1523 qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, bool update_stats) 1524 { 1525 } 1526 #endif /* WLAN_SUPPORT_RX_FLOW_TAG */ 1527 1528 #define CRITICAL_BUFFER_THRESHOLD 64 1529 /* 1530 * dp_rx_buffers_replenish() - replenish rxdma ring with rx nbufs 1531 * called during dp rx initialization 1532 * and at the end of dp_rx_process. 1533 * 1534 * @soc: core txrx main context 1535 * @mac_id: mac_id which is one of 3 mac_ids 1536 * @dp_rxdma_srng: dp rxdma circular ring 1537 * @rx_desc_pool: Pointer to free Rx descriptor pool 1538 * @num_req_buffers: number of buffer to be replenished 1539 * @desc_list: list of descs if called from dp_rx_process 1540 * or NULL during dp rx initialization or out of buffer 1541 * interrupt. 1542 * @tail: tail of descs list 1543 * @req_only: If true don't replenish more than req buffers 1544 * @func_name: name of the caller function 1545 * Return: return success or failure 1546 */ 1547 QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id, 1548 struct dp_srng *dp_rxdma_srng, 1549 struct rx_desc_pool *rx_desc_pool, 1550 uint32_t num_req_buffers, 1551 union dp_rx_desc_list_elem_t **desc_list, 1552 union dp_rx_desc_list_elem_t **tail, 1553 bool req_only, 1554 const char *func_name); 1555 /* 1556 * __dp_rx_buffers_no_map_replenish() - replenish rxdma ring with rx nbufs 1557 * use direct APIs to get invalidate 1558 * and get the physical address of the 1559 * nbuf instead of map api,called during 1560 * dp rx initialization and at the end 1561 * of dp_rx_process. 1562 * 1563 * @soc: core txrx main context 1564 * @mac_id: mac_id which is one of 3 mac_ids 1565 * @dp_rxdma_srng: dp rxdma circular ring 1566 * @rx_desc_pool: Pointer to free Rx descriptor pool 1567 * @num_req_buffers: number of buffer to be replenished 1568 * @desc_list: list of descs if called from dp_rx_process 1569 * or NULL during dp rx initialization or out of buffer 1570 * interrupt. 1571 * @tail: tail of descs list 1572 * Return: return success or failure 1573 */ 1574 QDF_STATUS 1575 __dp_rx_buffers_no_map_replenish(struct dp_soc *dp_soc, uint32_t mac_id, 1576 struct dp_srng *dp_rxdma_srng, 1577 struct rx_desc_pool *rx_desc_pool, 1578 uint32_t num_req_buffers, 1579 union dp_rx_desc_list_elem_t **desc_list, 1580 union dp_rx_desc_list_elem_t **tail); 1581 1582 /* 1583 * __dp_rx_buffers_no_map__lt_replenish() - replenish rxdma ring with rx nbufs 1584 * use direct APIs to get invalidate 1585 * and get the physical address of the 1586 * nbuf instead of map api,called when 1587 * low threshold interrupt is triggered 1588 * 1589 * @soc: core txrx main context 1590 * @mac_id: mac_id which is one of 3 mac_ids 1591 * @dp_rxdma_srng: dp rxdma circular ring 1592 * @rx_desc_pool: Pointer to free Rx descriptor pool 1593 * Return: return success or failure 1594 */ 1595 QDF_STATUS 1596 __dp_rx_buffers_no_map_lt_replenish(struct dp_soc *dp_soc, uint32_t mac_id, 1597 struct dp_srng *dp_rxdma_srng, 1598 struct rx_desc_pool *rx_desc_pool); 1599 /* 1600 * __dp_pdev_rx_buffers_no_map_attach() - replenish rxdma ring with rx nbufs 1601 * use direct APIs to get invalidate 1602 * and get the physical address of the 1603 * nbuf instead of map api,called during 1604 * dp rx initialization. 1605 * 1606 * @soc: core txrx main context 1607 * @mac_id: mac_id which is one of 3 mac_ids 1608 * @dp_rxdma_srng: dp rxdma circular ring 1609 * @rx_desc_pool: Pointer to free Rx descriptor pool 1610 * @num_req_buffers: number of buffer to be replenished 1611 * Return: return success or failure 1612 */ 1613 QDF_STATUS __dp_pdev_rx_buffers_no_map_attach(struct dp_soc *dp_soc, 1614 uint32_t mac_id, 1615 struct dp_srng *dp_rxdma_srng, 1616 struct rx_desc_pool *rx_desc_pool, 1617 uint32_t num_req_buffers); 1618 1619 /* 1620 * dp_pdev_rx_buffers_attach() - replenish rxdma ring with rx nbufs 1621 * called during dp rx initialization 1622 * 1623 * @soc: core txrx main context 1624 * @mac_id: mac_id which is one of 3 mac_ids 1625 * @dp_rxdma_srng: dp rxdma circular ring 1626 * @rx_desc_pool: Pointer to free Rx descriptor pool 1627 * @num_req_buffers: number of buffer to be replenished 1628 * 1629 * Return: return success or failure 1630 */ 1631 QDF_STATUS 1632 dp_pdev_rx_buffers_attach(struct dp_soc *dp_soc, uint32_t mac_id, 1633 struct dp_srng *dp_rxdma_srng, 1634 struct rx_desc_pool *rx_desc_pool, 1635 uint32_t num_req_buffers); 1636 1637 /** 1638 * dp_rx_link_desc_return() - Return a MPDU link descriptor to HW 1639 * (WBM), following error handling 1640 * 1641 * @soc: core DP main context 1642 * @buf_addr_info: opaque pointer to the REO error ring descriptor 1643 * @buf_addr_info: void pointer to the buffer_addr_info 1644 * @bm_action: put to idle_list or release to msdu_list 1645 * 1646 * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS 1647 */ 1648 QDF_STATUS 1649 dp_rx_link_desc_return(struct dp_soc *soc, hal_ring_desc_t ring_desc, 1650 uint8_t bm_action); 1651 1652 /** 1653 * dp_rx_link_desc_return_by_addr - Return a MPDU link descriptor to 1654 * (WBM) by address 1655 * 1656 * @soc: core DP main context 1657 * @link_desc_addr: link descriptor addr 1658 * 1659 * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS 1660 */ 1661 QDF_STATUS 1662 dp_rx_link_desc_return_by_addr(struct dp_soc *soc, 1663 hal_buff_addrinfo_t link_desc_addr, 1664 uint8_t bm_action); 1665 1666 /** 1667 * dp_rxdma_err_process() - RxDMA error processing functionality 1668 * @soc: core txrx main context 1669 * @mac_id: mac id which is one of 3 mac_ids 1670 * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced 1671 * @quota: No. of units (packets) that can be serviced in one shot. 1672 * 1673 * Return: num of buffers processed 1674 */ 1675 uint32_t 1676 dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc, 1677 uint32_t mac_id, uint32_t quota); 1678 1679 void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf, 1680 uint8_t *rx_tlv_hdr, struct dp_txrx_peer *peer); 1681 QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf, 1682 uint8_t *rx_tlv_hdr); 1683 1684 int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr, struct dp_vdev *vdev, 1685 struct dp_txrx_peer *peer); 1686 1687 /* 1688 * dp_rx_dump_info_and_assert() - dump RX Ring info and Rx Desc info 1689 * 1690 * @soc: core txrx main context 1691 * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced 1692 * @ring_desc: opaque pointer to the RX ring descriptor 1693 * @rx_desc: host rx descriptor 1694 * 1695 * Return: void 1696 */ 1697 void dp_rx_dump_info_and_assert(struct dp_soc *soc, 1698 hal_ring_handle_t hal_ring_hdl, 1699 hal_ring_desc_t ring_desc, 1700 struct dp_rx_desc *rx_desc); 1701 1702 void dp_rx_compute_delay(struct dp_vdev *vdev, qdf_nbuf_t nbuf); 1703 1704 #ifdef QCA_PEER_EXT_STATS 1705 void dp_rx_compute_tid_delay(struct cdp_delay_tid_stats *stats, 1706 qdf_nbuf_t nbuf); 1707 #endif /* QCA_PEER_EXT_STATS */ 1708 1709 #ifdef RX_DESC_DEBUG_CHECK 1710 /** 1711 * dp_rx_desc_check_magic() - check the magic value in dp_rx_desc 1712 * @rx_desc: rx descriptor pointer 1713 * 1714 * Return: true, if magic is correct, else false. 1715 */ 1716 static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc) 1717 { 1718 if (qdf_unlikely(rx_desc->magic != DP_RX_DESC_MAGIC)) 1719 return false; 1720 1721 rx_desc->magic = 0; 1722 return true; 1723 } 1724 1725 /** 1726 * dp_rx_desc_prep() - prepare rx desc 1727 * @rx_desc: rx descriptor pointer to be prepared 1728 * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info * 1729 * 1730 * Note: assumption is that we are associating a nbuf which is mapped 1731 * 1732 * Return: none 1733 */ 1734 static inline 1735 void dp_rx_desc_prep(struct dp_rx_desc *rx_desc, 1736 struct dp_rx_nbuf_frag_info *nbuf_frag_info_t) 1737 { 1738 rx_desc->magic = DP_RX_DESC_MAGIC; 1739 rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf; 1740 rx_desc->unmapped = 0; 1741 rx_desc->nbuf_data_addr = (uint8_t *)qdf_nbuf_data(rx_desc->nbuf); 1742 } 1743 1744 /** 1745 * dp_rx_desc_frag_prep() - prepare rx desc 1746 * @rx_desc: rx descriptor pointer to be prepared 1747 * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info * 1748 * 1749 * Note: assumption is that we frag address is mapped 1750 * 1751 * Return: none 1752 */ 1753 #ifdef DP_RX_MON_MEM_FRAG 1754 static inline 1755 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc, 1756 struct dp_rx_nbuf_frag_info *nbuf_frag_info_t) 1757 { 1758 rx_desc->magic = DP_RX_DESC_MAGIC; 1759 rx_desc->rx_buf_start = 1760 (uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr); 1761 rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr; 1762 rx_desc->unmapped = 0; 1763 } 1764 #else 1765 static inline 1766 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc, 1767 struct dp_rx_nbuf_frag_info *nbuf_frag_info_t) 1768 { 1769 } 1770 #endif /* DP_RX_MON_MEM_FRAG */ 1771 1772 /** 1773 * dp_rx_desc_paddr_sanity_check() - paddr sanity for ring desc vs rx_desc 1774 * @rx_desc: rx descriptor 1775 * @ring_paddr: paddr obatined from the ring 1776 * 1777 * Returns: QDF_STATUS 1778 */ 1779 static inline 1780 bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc, 1781 uint64_t ring_paddr) 1782 { 1783 return (ring_paddr == qdf_nbuf_get_frag_paddr(rx_desc->nbuf, 0)); 1784 } 1785 #else 1786 1787 static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc) 1788 { 1789 return true; 1790 } 1791 1792 static inline 1793 void dp_rx_desc_prep(struct dp_rx_desc *rx_desc, 1794 struct dp_rx_nbuf_frag_info *nbuf_frag_info_t) 1795 { 1796 rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf; 1797 rx_desc->unmapped = 0; 1798 } 1799 1800 #ifdef DP_RX_MON_MEM_FRAG 1801 static inline 1802 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc, 1803 struct dp_rx_nbuf_frag_info *nbuf_frag_info_t) 1804 { 1805 rx_desc->rx_buf_start = 1806 (uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr); 1807 rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr; 1808 rx_desc->unmapped = 0; 1809 } 1810 #else 1811 static inline 1812 void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc, 1813 struct dp_rx_nbuf_frag_info *nbuf_frag_info_t) 1814 { 1815 } 1816 #endif /* DP_RX_MON_MEM_FRAG */ 1817 1818 static inline 1819 bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc, 1820 uint64_t ring_paddr) 1821 { 1822 return true; 1823 } 1824 #endif /* RX_DESC_DEBUG_CHECK */ 1825 1826 void dp_rx_enable_mon_dest_frag(struct rx_desc_pool *rx_desc_pool, 1827 bool is_mon_dest_desc); 1828 1829 void dp_rx_process_rxdma_err(struct dp_soc *soc, qdf_nbuf_t nbuf, 1830 uint8_t *rx_tlv_hdr, struct dp_txrx_peer *peer, 1831 uint8_t err_code, uint8_t mac_id); 1832 1833 #ifndef QCA_MULTIPASS_SUPPORT 1834 static inline 1835 bool dp_rx_multipass_process(struct dp_txrx_peer *peer, qdf_nbuf_t nbuf, 1836 uint8_t tid) 1837 { 1838 return false; 1839 } 1840 #else 1841 bool dp_rx_multipass_process(struct dp_txrx_peer *peer, qdf_nbuf_t nbuf, 1842 uint8_t tid); 1843 #endif 1844 1845 #ifndef QCA_HOST_MODE_WIFI_DISABLED 1846 1847 #ifndef WLAN_RX_PKT_CAPTURE_ENH 1848 static inline 1849 QDF_STATUS dp_peer_set_rx_capture_enabled(struct dp_pdev *pdev, 1850 struct dp_peer *peer_handle, 1851 bool value, uint8_t *mac_addr) 1852 { 1853 return QDF_STATUS_SUCCESS; 1854 } 1855 #endif 1856 1857 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 1858 1859 /** 1860 * dp_rx_deliver_to_stack() - deliver pkts to network stack 1861 * Caller to hold peer refcount and check for valid peer 1862 * @soc: soc 1863 * @vdev: vdev 1864 * @txrx_peer: txrx peer 1865 * @nbuf_head: skb list head 1866 * @nbuf_tail: skb list tail 1867 * 1868 * Return: QDF_STATUS 1869 */ 1870 QDF_STATUS dp_rx_deliver_to_stack(struct dp_soc *soc, 1871 struct dp_vdev *vdev, 1872 struct dp_txrx_peer *peer, 1873 qdf_nbuf_t nbuf_head, 1874 qdf_nbuf_t nbuf_tail); 1875 1876 #ifdef QCA_SUPPORT_EAPOL_OVER_CONTROL_PORT 1877 /** 1878 * dp_rx_eapol_deliver_to_stack() - deliver pkts to network stack 1879 * caller to hold peer refcount and check for valid peer 1880 * @soc: soc 1881 * @vdev: vdev 1882 * @peer: peer 1883 * @nbuf_head: skb list head 1884 * @nbuf_tail: skb list tail 1885 * 1886 * return: QDF_STATUS 1887 */ 1888 QDF_STATUS dp_rx_eapol_deliver_to_stack(struct dp_soc *soc, 1889 struct dp_vdev *vdev, 1890 struct dp_txrx_peer *peer, 1891 qdf_nbuf_t nbuf_head, 1892 qdf_nbuf_t nbuf_tail); 1893 #endif 1894 1895 #ifndef QCA_HOST_MODE_WIFI_DISABLED 1896 1897 #ifdef QCA_OL_RX_LOCK_LESS_ACCESS 1898 /* 1899 * dp_rx_ring_access_start()- Wrapper function to log access start of a hal ring 1900 * @int_ctx: pointer to DP interrupt context 1901 * @dp_soc - DP soc structure pointer 1902 * @hal_ring_hdl - HAL ring handle 1903 * 1904 * Return: 0 on success; error on failure 1905 */ 1906 static inline int 1907 dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc, 1908 hal_ring_handle_t hal_ring_hdl) 1909 { 1910 return hal_srng_access_start_unlocked(soc->hal_soc, hal_ring_hdl); 1911 } 1912 1913 /* 1914 * dp_rx_ring_access_end()- Wrapper function to log access end of a hal ring 1915 * @int_ctx: pointer to DP interrupt context 1916 * @dp_soc - DP soc structure pointer 1917 * @hal_ring_hdl - HAL ring handle 1918 * 1919 * Return - None 1920 */ 1921 static inline void 1922 dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc, 1923 hal_ring_handle_t hal_ring_hdl) 1924 { 1925 hal_srng_access_end_unlocked(soc->hal_soc, hal_ring_hdl); 1926 } 1927 #else 1928 static inline int 1929 dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc, 1930 hal_ring_handle_t hal_ring_hdl) 1931 { 1932 return dp_srng_access_start(int_ctx, soc, hal_ring_hdl); 1933 } 1934 1935 static inline void 1936 dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc, 1937 hal_ring_handle_t hal_ring_hdl) 1938 { 1939 dp_srng_access_end(int_ctx, soc, hal_ring_hdl); 1940 } 1941 #endif 1942 1943 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 1944 1945 /* 1946 * dp_rx_wbm_sg_list_reset() - Initialize sg list 1947 * 1948 * This api should be called at soc init and afterevery sg processing. 1949 *@soc: DP SOC handle 1950 */ 1951 static inline void dp_rx_wbm_sg_list_reset(struct dp_soc *soc) 1952 { 1953 if (soc) { 1954 soc->wbm_sg_param.wbm_is_first_msdu_in_sg = false; 1955 soc->wbm_sg_param.wbm_sg_nbuf_head = NULL; 1956 soc->wbm_sg_param.wbm_sg_nbuf_tail = NULL; 1957 soc->wbm_sg_param.wbm_sg_desc_msdu_len = 0; 1958 } 1959 } 1960 1961 /* 1962 * dp_rx_wbm_sg_list_deinit() - De-initialize sg list 1963 * 1964 * This api should be called in down path, to avoid any leak. 1965 *@soc: DP SOC handle 1966 */ 1967 static inline void dp_rx_wbm_sg_list_deinit(struct dp_soc *soc) 1968 { 1969 if (soc) { 1970 if (soc->wbm_sg_param.wbm_sg_nbuf_head) 1971 qdf_nbuf_list_free(soc->wbm_sg_param.wbm_sg_nbuf_head); 1972 1973 dp_rx_wbm_sg_list_reset(soc); 1974 } 1975 } 1976 1977 #ifndef QCA_HOST_MODE_WIFI_DISABLED 1978 1979 #ifdef WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL 1980 #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \ 1981 do { \ 1982 if (!soc->rx_buff_pool[rx_desc->pool_id].is_initialized) { \ 1983 DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf); \ 1984 break; \ 1985 } \ 1986 DP_RX_LIST_APPEND(ebuf_head, ebuf_tail, rx_desc->nbuf); \ 1987 if (!qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)) { \ 1988 if (!dp_rx_buffer_pool_refill(soc, ebuf_head, \ 1989 rx_desc->pool_id)) \ 1990 DP_RX_MERGE_TWO_LIST(head, tail, \ 1991 ebuf_head, ebuf_tail);\ 1992 ebuf_head = NULL; \ 1993 ebuf_tail = NULL; \ 1994 } \ 1995 } while (0) 1996 #else 1997 #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \ 1998 DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf) 1999 #endif /* WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL */ 2000 2001 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 2002 2003 /* 2004 * dp_rx_link_desc_refill_duplicate_check() - check if link desc duplicate 2005 to refill 2006 * @soc: DP SOC handle 2007 * @buf_info: the last link desc buf info 2008 * @ring_buf_info: current buf address pointor including link desc 2009 * 2010 * return: none. 2011 */ 2012 void dp_rx_link_desc_refill_duplicate_check( 2013 struct dp_soc *soc, 2014 struct hal_buf_info *buf_info, 2015 hal_buff_addrinfo_t ring_buf_info); 2016 2017 #ifdef WLAN_FEATURE_PKT_CAPTURE_V2 2018 /** 2019 * dp_rx_deliver_to_pkt_capture() - deliver rx packet to packet capture 2020 * @soc : dp_soc handle 2021 * @pdev: dp_pdev handle 2022 * @peer_id: peer_id of the peer for which completion came 2023 * @ppdu_id: ppdu_id 2024 * @netbuf: Buffer pointer 2025 * 2026 * This function is used to deliver rx packet to packet capture 2027 */ 2028 void dp_rx_deliver_to_pkt_capture(struct dp_soc *soc, struct dp_pdev *pdev, 2029 uint16_t peer_id, uint32_t is_offload, 2030 qdf_nbuf_t netbuf); 2031 void dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf, 2032 uint32_t is_offload); 2033 #else 2034 static inline void 2035 dp_rx_deliver_to_pkt_capture(struct dp_soc *soc, struct dp_pdev *pdev, 2036 uint16_t peer_id, uint32_t is_offload, 2037 qdf_nbuf_t netbuf) 2038 { 2039 } 2040 2041 static inline void 2042 dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf, 2043 uint32_t is_offload) 2044 { 2045 } 2046 #endif 2047 2048 #ifndef QCA_HOST_MODE_WIFI_DISABLED 2049 #ifdef FEATURE_MEC 2050 /** 2051 * dp_rx_mcast_echo_check() - check if the mcast pkt is a loop 2052 * back on same vap or a different vap. 2053 * @soc: core DP main context 2054 * @peer: dp peer handler 2055 * @rx_tlv_hdr: start of the rx TLV header 2056 * @nbuf: pkt buffer 2057 * 2058 * Return: bool (true if it is a looped back pkt else false) 2059 * 2060 */ 2061 bool dp_rx_mcast_echo_check(struct dp_soc *soc, 2062 struct dp_txrx_peer *peer, 2063 uint8_t *rx_tlv_hdr, 2064 qdf_nbuf_t nbuf); 2065 #else 2066 static inline bool dp_rx_mcast_echo_check(struct dp_soc *soc, 2067 struct dp_txrx_peer *peer, 2068 uint8_t *rx_tlv_hdr, 2069 qdf_nbuf_t nbuf) 2070 { 2071 return false; 2072 } 2073 #endif /* FEATURE_MEC */ 2074 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 2075 2076 #ifdef RECEIVE_OFFLOAD 2077 void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv, 2078 qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt); 2079 #else 2080 static inline 2081 void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv, 2082 qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt) 2083 { 2084 } 2085 #endif 2086 2087 void dp_rx_msdu_stats_update(struct dp_soc *soc, qdf_nbuf_t nbuf, 2088 uint8_t *rx_tlv_hdr, struct dp_txrx_peer *peer, 2089 uint8_t ring_id, 2090 struct cdp_tid_rx_stats *tid_stats); 2091 2092 void dp_rx_deliver_to_stack_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf); 2093 2094 uint32_t dp_rx_srng_get_num_pending(hal_soc_handle_t hal_soc, 2095 hal_ring_handle_t hal_ring_hdl, 2096 uint32_t num_entries, 2097 bool *near_full); 2098 2099 #ifdef WLAN_FEATURE_DP_RX_RING_HISTORY 2100 void dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num, 2101 hal_ring_desc_t ring_desc); 2102 #else 2103 static inline void 2104 dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num, 2105 hal_ring_desc_t ring_desc) 2106 { 2107 } 2108 #endif 2109 2110 #ifndef QCA_HOST_MODE_WIFI_DISABLED 2111 #ifdef RX_DESC_SANITY_WAR 2112 QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc, 2113 hal_ring_handle_t hal_ring_hdl, 2114 hal_ring_desc_t ring_desc, 2115 struct dp_rx_desc *rx_desc); 2116 #else 2117 static inline 2118 QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc, 2119 hal_ring_handle_t hal_ring_hdl, 2120 hal_ring_desc_t ring_desc, 2121 struct dp_rx_desc *rx_desc) 2122 { 2123 return QDF_STATUS_SUCCESS; 2124 } 2125 #endif 2126 2127 #ifdef DP_RX_DROP_RAW_FRM 2128 bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf); 2129 #else 2130 static inline 2131 bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf) 2132 { 2133 return false; 2134 } 2135 #endif 2136 2137 #ifdef RX_DESC_DEBUG_CHECK 2138 QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc, 2139 hal_ring_desc_t ring_desc, 2140 struct dp_rx_desc *rx_desc); 2141 #else 2142 static inline 2143 QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc, 2144 hal_ring_desc_t ring_desc, 2145 struct dp_rx_desc *rx_desc) 2146 { 2147 return QDF_STATUS_SUCCESS; 2148 } 2149 #endif 2150 2151 #ifdef WLAN_DP_FEATURE_SW_LATENCY_MGR 2152 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf); 2153 #else 2154 static inline 2155 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf) 2156 { 2157 } 2158 #endif 2159 2160 /** 2161 * dp_rx_cksum_offload() - set the nbuf checksum as defined by hardware. 2162 * @nbuf: pointer to the first msdu of an amsdu. 2163 * @rx_tlv_hdr: pointer to the start of RX TLV headers. 2164 * 2165 * The ipsumed field of the skb is set based on whether HW validated the 2166 * IP/TCP/UDP checksum. 2167 * 2168 * Return: void 2169 */ 2170 #if defined(MAX_PDEV_CNT) && (MAX_PDEV_CNT == 1) 2171 static inline 2172 void dp_rx_cksum_offload(struct dp_pdev *pdev, 2173 qdf_nbuf_t nbuf, 2174 uint8_t *rx_tlv_hdr) 2175 { 2176 qdf_nbuf_rx_cksum_t cksum = {0}; 2177 //TODO - Move this to ring desc api 2178 //HAL_RX_MSDU_DESC_IP_CHKSUM_FAIL_GET 2179 //HAL_RX_MSDU_DESC_TCP_UDP_CHKSUM_FAIL_GET 2180 uint32_t ip_csum_err, tcp_udp_csum_er; 2181 2182 hal_rx_tlv_csum_err_get(pdev->soc->hal_soc, rx_tlv_hdr, &ip_csum_err, 2183 &tcp_udp_csum_er); 2184 2185 if (qdf_likely(!ip_csum_err && !tcp_udp_csum_er)) { 2186 cksum.l4_result = QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY; 2187 qdf_nbuf_set_rx_cksum(nbuf, &cksum); 2188 } else { 2189 DP_STATS_INCC(pdev, err.ip_csum_err, 1, ip_csum_err); 2190 DP_STATS_INCC(pdev, err.tcp_udp_csum_err, 1, tcp_udp_csum_er); 2191 } 2192 } 2193 #else 2194 static inline 2195 void dp_rx_cksum_offload(struct dp_pdev *pdev, 2196 qdf_nbuf_t nbuf, 2197 uint8_t *rx_tlv_hdr) 2198 { 2199 } 2200 #endif 2201 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 2202 2203 #ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT 2204 static inline 2205 bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped, 2206 int max_reap_limit) 2207 { 2208 bool limit_hit = false; 2209 2210 limit_hit = 2211 (num_reaped >= max_reap_limit) ? true : false; 2212 2213 if (limit_hit) 2214 DP_STATS_INC(soc, rx.reap_loop_pkt_limit_hit, 1) 2215 2216 return limit_hit; 2217 } 2218 2219 static inline 2220 bool dp_rx_enable_eol_data_check(struct dp_soc *soc) 2221 { 2222 return soc->wlan_cfg_ctx->rx_enable_eol_data_check; 2223 } 2224 2225 static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc) 2226 { 2227 struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx; 2228 2229 return cfg->rx_reap_loop_pkt_limit; 2230 } 2231 #else 2232 static inline 2233 bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped, 2234 int max_reap_limit) 2235 { 2236 return false; 2237 } 2238 2239 static inline 2240 bool dp_rx_enable_eol_data_check(struct dp_soc *soc) 2241 { 2242 return false; 2243 } 2244 2245 static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc) 2246 { 2247 return 0; 2248 } 2249 #endif /* WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT */ 2250 2251 void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf); 2252 2253 #ifdef QCA_SUPPORT_WDS_EXTENDED 2254 /** 2255 * dp_rx_is_list_ready() - Make different lists for 4-address 2256 and 3-address frames 2257 * @nbuf_head: skb list head 2258 * @vdev: vdev 2259 * @txrx_peer : txrx_peer 2260 * @peer_id: peer id of new received frame 2261 * @vdev_id: vdev_id of new received frame 2262 * 2263 * Return: true if peer_ids are different. 2264 */ 2265 static inline bool 2266 dp_rx_is_list_ready(qdf_nbuf_t nbuf_head, 2267 struct dp_vdev *vdev, 2268 struct dp_txrx_peer *txrx_peer, 2269 uint16_t peer_id, 2270 uint8_t vdev_id) 2271 { 2272 if (nbuf_head && txrx_peer && txrx_peer->peer_id != peer_id) 2273 return true; 2274 2275 return false; 2276 } 2277 #else 2278 static inline bool 2279 dp_rx_is_list_ready(qdf_nbuf_t nbuf_head, 2280 struct dp_vdev *vdev, 2281 struct dp_txrx_peer *txrx_peer, 2282 uint16_t peer_id, 2283 uint8_t vdev_id) 2284 { 2285 if (nbuf_head && vdev && (vdev->vdev_id != vdev_id)) 2286 return true; 2287 2288 return false; 2289 } 2290 #endif 2291 2292 #ifdef WLAN_FEATURE_MARK_FIRST_WAKEUP_PACKET 2293 /** 2294 * dp_rx_mark_first_packet_after_wow_wakeup - get first packet after wow wakeup 2295 * @pdev: pointer to dp_pdev structure 2296 * @rx_tlv: pointer to rx_pkt_tlvs structure 2297 * @nbuf: pointer to skb buffer 2298 * 2299 * Return: None 2300 */ 2301 void dp_rx_mark_first_packet_after_wow_wakeup(struct dp_pdev *pdev, 2302 uint8_t *rx_tlv, 2303 qdf_nbuf_t nbuf); 2304 #else 2305 static inline void 2306 dp_rx_mark_first_packet_after_wow_wakeup(struct dp_pdev *pdev, 2307 uint8_t *rx_tlv, 2308 qdf_nbuf_t nbuf) 2309 { 2310 } 2311 #endif 2312 2313 #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1) 2314 static inline uint8_t 2315 dp_rx_get_defrag_bm_id(struct dp_soc *soc) 2316 { 2317 return DP_DEFRAG_RBM(soc->wbm_sw0_bm_id); 2318 } 2319 2320 static inline uint8_t 2321 dp_rx_get_rx_bm_id(struct dp_soc *soc) 2322 { 2323 return DP_WBM2SW_RBM(soc->wbm_sw0_bm_id); 2324 } 2325 #else 2326 static inline uint8_t 2327 dp_rx_get_rx_bm_id(struct dp_soc *soc) 2328 { 2329 struct wlan_cfg_dp_soc_ctxt *cfg_ctx = soc->wlan_cfg_ctx; 2330 uint8_t wbm2_sw_rx_rel_ring_id; 2331 2332 wbm2_sw_rx_rel_ring_id = wlan_cfg_get_rx_rel_ring_id(cfg_ctx); 2333 2334 return HAL_RX_BUF_RBM_SW_BM(soc->wbm_sw0_bm_id, 2335 wbm2_sw_rx_rel_ring_id); 2336 } 2337 2338 static inline uint8_t 2339 dp_rx_get_defrag_bm_id(struct dp_soc *soc) 2340 { 2341 return dp_rx_get_rx_bm_id(soc); 2342 } 2343 #endif 2344 2345 static inline uint16_t 2346 dp_rx_peer_metadata_peer_id_get(struct dp_soc *soc, uint32_t peer_metadata) 2347 { 2348 return soc->arch_ops.dp_rx_peer_metadata_peer_id_get(soc, 2349 peer_metadata); 2350 } 2351 2352 /** 2353 * dp_rx_desc_pool_init_generic() - Generic Rx descriptors initialization 2354 * @soc: SOC handle 2355 * @rx_desc_pool: pointer to RX descriptor pool 2356 * @pool_id: pool ID 2357 * 2358 * Return: None 2359 */ 2360 QDF_STATUS dp_rx_desc_pool_init_generic(struct dp_soc *soc, 2361 struct rx_desc_pool *rx_desc_pool, 2362 uint32_t pool_id); 2363 2364 void dp_rx_desc_pool_deinit_generic(struct dp_soc *soc, 2365 struct rx_desc_pool *rx_desc_pool, 2366 uint32_t pool_id); 2367 2368 /** 2369 * dp_rx_pkt_tracepoints_enabled() - Get the state of rx pkt tracepoint 2370 * 2371 * Return: True if any rx pkt tracepoint is enabled else false 2372 */ 2373 static inline 2374 bool dp_rx_pkt_tracepoints_enabled(void) 2375 { 2376 return (qdf_trace_dp_rx_tcp_pkt_enabled() || 2377 qdf_trace_dp_rx_udp_pkt_enabled() || 2378 qdf_trace_dp_rx_pkt_enabled()); 2379 } 2380 2381 #if defined(QCA_DP_RX_NBUF_NO_MAP_UNMAP) && !defined(BUILD_X86) 2382 static inline 2383 QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id, 2384 struct dp_srng *rxdma_srng, 2385 struct rx_desc_pool *rx_desc_pool, 2386 uint32_t num_req_buffers) 2387 { 2388 return __dp_pdev_rx_buffers_no_map_attach(soc, mac_id, 2389 rxdma_srng, 2390 rx_desc_pool, 2391 num_req_buffers); 2392 } 2393 2394 static inline 2395 void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id, 2396 struct dp_srng *rxdma_srng, 2397 struct rx_desc_pool *rx_desc_pool, 2398 uint32_t num_req_buffers, 2399 union dp_rx_desc_list_elem_t **desc_list, 2400 union dp_rx_desc_list_elem_t **tail) 2401 { 2402 __dp_rx_buffers_no_map_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, 2403 num_req_buffers, desc_list, tail); 2404 } 2405 2406 static inline 2407 void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id, 2408 struct dp_srng *rxdma_srng, 2409 struct rx_desc_pool *rx_desc_pool, 2410 uint32_t num_req_buffers, 2411 union dp_rx_desc_list_elem_t **desc_list, 2412 union dp_rx_desc_list_elem_t **tail) 2413 { 2414 __dp_rx_buffers_no_map_lt_replenish(soc, mac_id, rxdma_srng, 2415 rx_desc_pool); 2416 } 2417 2418 static inline 2419 qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc, 2420 qdf_nbuf_t nbuf, 2421 uint32_t buf_size) 2422 { 2423 qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data, 2424 (void *)(nbuf->data + buf_size)); 2425 2426 return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data); 2427 } 2428 2429 static inline 2430 qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc, 2431 qdf_nbuf_t nbuf, 2432 uint32_t buf_size) 2433 { 2434 qdf_nbuf_dma_inv_range((void *)nbuf->data, 2435 (void *)(nbuf->data + buf_size)); 2436 2437 return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data); 2438 } 2439 2440 #if !defined(SPECULATIVE_READ_DISABLED) 2441 static inline 2442 void dp_rx_nbuf_unmap(struct dp_soc *soc, 2443 struct dp_rx_desc *rx_desc, 2444 uint8_t reo_ring_num) 2445 { 2446 struct rx_desc_pool *rx_desc_pool; 2447 qdf_nbuf_t nbuf; 2448 2449 rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id]; 2450 nbuf = rx_desc->nbuf; 2451 2452 qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data, 2453 (void *)(nbuf->data + rx_desc_pool->buf_size)); 2454 } 2455 2456 static inline 2457 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc, 2458 struct rx_desc_pool *rx_desc_pool, 2459 qdf_nbuf_t nbuf) 2460 { 2461 qdf_nbuf_dma_inv_range((void *)nbuf->data, 2462 (void *)(nbuf->data + rx_desc_pool->buf_size)); 2463 } 2464 2465 #else 2466 static inline 2467 void dp_rx_nbuf_unmap(struct dp_soc *soc, 2468 struct dp_rx_desc *rx_desc, 2469 uint8_t reo_ring_num) 2470 { 2471 } 2472 2473 static inline 2474 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc, 2475 struct rx_desc_pool *rx_desc_pool, 2476 qdf_nbuf_t nbuf) 2477 { 2478 } 2479 #endif 2480 2481 static inline 2482 void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id, 2483 uint32_t bufs_reaped) 2484 { 2485 } 2486 2487 static inline 2488 qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc, 2489 struct rx_desc_pool *rx_desc_pool) 2490 { 2491 return qdf_nbuf_alloc_simple(soc->osdev, rx_desc_pool->buf_size, 2492 RX_BUFFER_RESERVATION, 2493 rx_desc_pool->buf_alignment, FALSE); 2494 } 2495 2496 static inline 2497 void dp_rx_nbuf_free(qdf_nbuf_t nbuf) 2498 { 2499 qdf_nbuf_free_simple(nbuf); 2500 } 2501 #else 2502 static inline 2503 QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id, 2504 struct dp_srng *rxdma_srng, 2505 struct rx_desc_pool *rx_desc_pool, 2506 uint32_t num_req_buffers) 2507 { 2508 return dp_pdev_rx_buffers_attach(soc, mac_id, 2509 rxdma_srng, 2510 rx_desc_pool, 2511 num_req_buffers); 2512 } 2513 2514 static inline 2515 void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id, 2516 struct dp_srng *rxdma_srng, 2517 struct rx_desc_pool *rx_desc_pool, 2518 uint32_t num_req_buffers, 2519 union dp_rx_desc_list_elem_t **desc_list, 2520 union dp_rx_desc_list_elem_t **tail) 2521 { 2522 dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, 2523 num_req_buffers, desc_list, tail, false); 2524 } 2525 2526 static inline 2527 void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id, 2528 struct dp_srng *rxdma_srng, 2529 struct rx_desc_pool *rx_desc_pool, 2530 uint32_t num_req_buffers, 2531 union dp_rx_desc_list_elem_t **desc_list, 2532 union dp_rx_desc_list_elem_t **tail) 2533 { 2534 dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, 2535 num_req_buffers, desc_list, tail, false); 2536 } 2537 2538 static inline 2539 qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc, 2540 qdf_nbuf_t nbuf, 2541 uint32_t buf_size) 2542 { 2543 return (qdf_dma_addr_t)NULL; 2544 } 2545 2546 static inline 2547 qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc, 2548 qdf_nbuf_t nbuf, 2549 uint32_t buf_size) 2550 { 2551 return (qdf_dma_addr_t)NULL; 2552 } 2553 2554 static inline 2555 void dp_rx_nbuf_unmap(struct dp_soc *soc, 2556 struct dp_rx_desc *rx_desc, 2557 uint8_t reo_ring_num) 2558 { 2559 struct rx_desc_pool *rx_desc_pool; 2560 2561 rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id]; 2562 dp_ipa_reo_ctx_buf_mapping_lock(soc, reo_ring_num); 2563 dp_ipa_handle_rx_buf_smmu_mapping(soc, rx_desc->nbuf, 2564 rx_desc_pool->buf_size, 2565 false, __func__, __LINE__); 2566 2567 qdf_nbuf_unmap_nbytes_single(soc->osdev, rx_desc->nbuf, 2568 QDF_DMA_FROM_DEVICE, 2569 rx_desc_pool->buf_size); 2570 2571 dp_ipa_reo_ctx_buf_mapping_unlock(soc, reo_ring_num); 2572 } 2573 2574 static inline 2575 void dp_rx_nbuf_unmap_pool(struct dp_soc *soc, 2576 struct rx_desc_pool *rx_desc_pool, 2577 qdf_nbuf_t nbuf) 2578 { 2579 dp_ipa_handle_rx_buf_smmu_mapping(soc, nbuf, rx_desc_pool->buf_size, 2580 false, __func__, __LINE__); 2581 qdf_nbuf_unmap_nbytes_single(soc->osdev, nbuf, QDF_DMA_FROM_DEVICE, 2582 rx_desc_pool->buf_size); 2583 } 2584 2585 static inline 2586 void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id, 2587 uint32_t bufs_reaped) 2588 { 2589 int cpu_id = qdf_get_cpu(); 2590 2591 DP_STATS_INC(soc, rx.ring_packets[cpu_id][ring_id], bufs_reaped); 2592 } 2593 2594 static inline 2595 qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc, 2596 struct rx_desc_pool *rx_desc_pool) 2597 { 2598 return qdf_nbuf_alloc(soc->osdev, rx_desc_pool->buf_size, 2599 RX_BUFFER_RESERVATION, 2600 rx_desc_pool->buf_alignment, FALSE); 2601 } 2602 2603 static inline 2604 void dp_rx_nbuf_free(qdf_nbuf_t nbuf) 2605 { 2606 qdf_nbuf_free(nbuf); 2607 } 2608 #endif 2609 2610 #ifdef DP_UMAC_HW_RESET_SUPPORT 2611 /* 2612 * dp_rx_desc_reuse() - Reuse the rx descriptors to fill the rx buf ring 2613 * 2614 * @soc: core txrx main context 2615 * @nbuf_list: nbuf list for delayed free 2616 * 2617 * Return: void 2618 */ 2619 void dp_rx_desc_reuse(struct dp_soc *soc, qdf_nbuf_t *nbuf_list); 2620 2621 /* 2622 * dp_rx_desc_delayed_free() - Delayed free of the rx descs 2623 * 2624 * @soc: core txrx main context 2625 * 2626 * Return: void 2627 */ 2628 void dp_rx_desc_delayed_free(struct dp_soc *soc); 2629 #endif 2630 2631 /** 2632 * dp_rx_get_txrx_peer_and_vdev() - Get txrx peer and vdev from peer id 2633 * @nbuf : pointer to the first msdu of an amsdu. 2634 * @peer_id : Peer id of the peer 2635 * @txrx_ref_handle : Buffer to save the handle for txrx peer's reference 2636 * @pkt_capture_offload : Flag indicating if pkt capture offload is needed 2637 * @vdev : Buffer to hold pointer to vdev 2638 * @rx_pdev : Buffer to hold pointer to rx pdev 2639 * @dsf : delay stats flag 2640 * @old_tid : Old tid 2641 * 2642 * Get txrx peer and vdev from peer id 2643 * 2644 * Return: Pointer to txrx peer 2645 */ 2646 static inline struct dp_txrx_peer * 2647 dp_rx_get_txrx_peer_and_vdev(struct dp_soc *soc, 2648 qdf_nbuf_t nbuf, 2649 uint16_t peer_id, 2650 dp_txrx_ref_handle *txrx_ref_handle, 2651 bool pkt_capture_offload, 2652 struct dp_vdev **vdev, 2653 struct dp_pdev **rx_pdev, 2654 uint32_t *dsf, 2655 uint32_t *old_tid) 2656 { 2657 struct dp_txrx_peer *txrx_peer = NULL; 2658 2659 txrx_peer = dp_txrx_peer_get_ref_by_id(soc, peer_id, txrx_ref_handle, 2660 DP_MOD_ID_RX); 2661 2662 if (qdf_likely(txrx_peer)) { 2663 *vdev = txrx_peer->vdev; 2664 } else { 2665 nbuf->next = NULL; 2666 dp_rx_deliver_to_pkt_capture_no_peer(soc, nbuf, 2667 pkt_capture_offload); 2668 if (!pkt_capture_offload) 2669 dp_rx_deliver_to_stack_no_peer(soc, nbuf); 2670 2671 goto end; 2672 } 2673 2674 if (qdf_unlikely(!(*vdev))) { 2675 qdf_nbuf_free(nbuf); 2676 DP_STATS_INC(soc, rx.err.invalid_vdev, 1); 2677 goto end; 2678 } 2679 2680 *rx_pdev = (*vdev)->pdev; 2681 *dsf = (*rx_pdev)->delay_stats_flag; 2682 *old_tid = 0xff; 2683 2684 end: 2685 return txrx_peer; 2686 } 2687 2688 static inline QDF_STATUS 2689 dp_peer_rx_reorder_queue_setup(struct dp_soc *soc, struct dp_peer *peer, 2690 int tid, uint32_t ba_window_size) 2691 { 2692 return soc->arch_ops.dp_peer_rx_reorder_queue_setup(soc, 2693 peer, tid, 2694 ba_window_size); 2695 } 2696 2697 static inline 2698 void dp_rx_nbuf_list_deliver(struct dp_soc *soc, 2699 struct dp_vdev *vdev, 2700 struct dp_txrx_peer *txrx_peer, 2701 uint16_t peer_id, 2702 uint8_t pkt_capture_offload, 2703 qdf_nbuf_t deliver_list_head, 2704 qdf_nbuf_t deliver_list_tail) 2705 { 2706 qdf_nbuf_t nbuf, next; 2707 2708 if (qdf_likely(deliver_list_head)) { 2709 if (qdf_likely(txrx_peer)) { 2710 dp_rx_deliver_to_pkt_capture(soc, vdev->pdev, peer_id, 2711 pkt_capture_offload, 2712 deliver_list_head); 2713 if (!pkt_capture_offload) 2714 dp_rx_deliver_to_stack(soc, vdev, txrx_peer, 2715 deliver_list_head, 2716 deliver_list_tail); 2717 } else { 2718 nbuf = deliver_list_head; 2719 while (nbuf) { 2720 next = nbuf->next; 2721 nbuf->next = NULL; 2722 dp_rx_deliver_to_stack_no_peer(soc, nbuf); 2723 nbuf = next; 2724 } 2725 } 2726 } 2727 } 2728 2729 #ifdef DP_TX_RX_TPUT_SIMULATE 2730 /* 2731 * Change this macro value to simulate different RX T-put, 2732 * if OTA is 100 Mbps, to simulate 200 Mbps, then multiplication factor 2733 * is 2, set macro value as 1 (multiplication factor - 1). 2734 */ 2735 #define DP_RX_PKTS_DUPLICATE_CNT 0 2736 static inline 2737 void dp_rx_nbuf_list_dup_deliver(struct dp_soc *soc, 2738 struct dp_vdev *vdev, 2739 struct dp_txrx_peer *txrx_peer, 2740 uint16_t peer_id, 2741 uint8_t pkt_capture_offload, 2742 qdf_nbuf_t ori_list_head, 2743 qdf_nbuf_t ori_list_tail) 2744 { 2745 qdf_nbuf_t new_skb = NULL; 2746 qdf_nbuf_t new_list_head = NULL; 2747 qdf_nbuf_t new_list_tail = NULL; 2748 qdf_nbuf_t nbuf = NULL; 2749 int i; 2750 2751 for (i = 0; i < DP_RX_PKTS_DUPLICATE_CNT; i++) { 2752 nbuf = ori_list_head; 2753 new_list_head = NULL; 2754 new_list_tail = NULL; 2755 2756 while (nbuf) { 2757 new_skb = qdf_nbuf_copy(nbuf); 2758 if (qdf_likely(new_skb)) 2759 DP_RX_LIST_APPEND(new_list_head, 2760 new_list_tail, 2761 new_skb); 2762 else 2763 dp_err("copy skb failed"); 2764 2765 nbuf = qdf_nbuf_next(nbuf); 2766 } 2767 2768 /* deliver the copied nbuf list */ 2769 dp_rx_nbuf_list_deliver(soc, vdev, txrx_peer, peer_id, 2770 pkt_capture_offload, 2771 new_list_head, 2772 new_list_tail); 2773 } 2774 2775 /* deliver the original skb_list */ 2776 dp_rx_nbuf_list_deliver(soc, vdev, txrx_peer, peer_id, 2777 pkt_capture_offload, 2778 ori_list_head, 2779 ori_list_tail); 2780 } 2781 2782 #define DP_RX_DELIVER_TO_STACK dp_rx_nbuf_list_dup_deliver 2783 2784 #else /* !DP_TX_RX_TPUT_SIMULATE */ 2785 2786 #define DP_RX_DELIVER_TO_STACK dp_rx_nbuf_list_deliver 2787 2788 #endif /* DP_TX_RX_TPUT_SIMULATE */ 2789 2790 #endif /* _DP_RX_H */ 2791