| /* |
| * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef _DP_RX_H |
| #define _DP_RX_H |
| |
| #include "hal_rx.h" |
| #include "dp_tx.h" |
| #include "dp_peer.h" |
| #include "dp_internal.h" |
| |
| #ifdef RXDMA_OPTIMIZATION |
| #ifdef NO_RX_PKT_HDR_TLV |
| #define RX_BUFFER_ALIGNMENT 0 |
| #else |
| #define RX_BUFFER_ALIGNMENT 128 |
| #endif /* NO_RX_PKT_HDR_TLV */ |
| #else /* RXDMA_OPTIMIZATION */ |
| #define RX_BUFFER_ALIGNMENT 4 |
| #endif /* RXDMA_OPTIMIZATION */ |
| |
| #ifdef QCA_HOST2FW_RXBUF_RING |
| #define DP_WBM2SW_RBM HAL_RX_BUF_RBM_SW1_BM |
| |
| /** |
| * For MCL cases, allocate as many RX descriptors as buffers in the SW2RXDMA |
| * ring. This value may need to be tuned later. |
| */ |
| #define DP_RX_DESC_ALLOC_MULTIPLIER 1 |
| #else |
| #define DP_WBM2SW_RBM HAL_RX_BUF_RBM_SW3_BM |
| |
| /** |
| * AP use cases need to allocate more RX Descriptors than the number of |
| * entries avaialable in the SW2RXDMA buffer replenish ring. This is to account |
| * for frames sitting in REO queues, HW-HW DMA rings etc. Hence using a |
| * multiplication factor of 3, to allocate three times as many RX descriptors |
| * as RX buffers. |
| */ |
| #define DP_RX_DESC_ALLOC_MULTIPLIER 3 |
| #endif /* QCA_HOST2FW_RXBUF_RING */ |
| |
| #define RX_BUFFER_RESERVATION 0 |
| |
| #define DP_PEER_METADATA_PEER_ID_MASK 0x0000ffff |
| #define DP_PEER_METADATA_PEER_ID_SHIFT 0 |
| #define DP_PEER_METADATA_VDEV_ID_MASK 0x00070000 |
| #define DP_PEER_METADATA_VDEV_ID_SHIFT 16 |
| |
| #define DP_PEER_METADATA_PEER_ID_GET(_peer_metadata) \ |
| (((_peer_metadata) & DP_PEER_METADATA_PEER_ID_MASK) \ |
| >> DP_PEER_METADATA_PEER_ID_SHIFT) |
| |
| #define DP_PEER_METADATA_ID_GET(_peer_metadata) \ |
| (((_peer_metadata) & DP_PEER_METADATA_VDEV_ID_MASK) \ |
| >> DP_PEER_METADATA_VDEV_ID_SHIFT) |
| |
| #define DP_RX_DESC_MAGIC 0xdec0de |
| |
| /** |
| * struct dp_rx_desc |
| * |
| * @nbuf : VA of the "skb" posted |
| * @rx_buf_start : VA of the original Rx buffer, before |
| * movement of any skb->data pointer |
| * @cookie : index into the sw array which holds |
| * the sw Rx descriptors |
| * Cookie space is 21 bits: |
| * lower 18 bits -- index |
| * upper 3 bits -- pool_id |
| * @pool_id : pool Id for which this allocated. |
| * Can only be used if there is no flow |
| * steering |
| * @in_use rx_desc is in use |
| * @unmapped used to mark rx_desc an unmapped if the corresponding |
| * nbuf is already unmapped |
| */ |
| struct dp_rx_desc { |
| qdf_nbuf_t nbuf; |
| uint8_t *rx_buf_start; |
| uint32_t cookie; |
| uint8_t pool_id; |
| #ifdef RX_DESC_DEBUG_CHECK |
| uint32_t magic; |
| #endif |
| uint8_t in_use:1, |
| unmapped:1; |
| }; |
| |
| /* RX Descriptor Multi Page memory alloc related */ |
| #define DP_RX_DESC_OFFSET_NUM_BITS 8 |
| #define DP_RX_DESC_PAGE_ID_NUM_BITS 8 |
| #define DP_RX_DESC_POOL_ID_NUM_BITS 4 |
| |
| #define DP_RX_DESC_PAGE_ID_SHIFT DP_RX_DESC_OFFSET_NUM_BITS |
| #define DP_RX_DESC_POOL_ID_SHIFT \ |
| (DP_RX_DESC_OFFSET_NUM_BITS + DP_RX_DESC_PAGE_ID_NUM_BITS) |
| #define RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK \ |
| (((1 << DP_RX_DESC_POOL_ID_NUM_BITS) - 1) << DP_RX_DESC_POOL_ID_SHIFT) |
| #define RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK \ |
| (((1 << DP_RX_DESC_PAGE_ID_NUM_BITS) - 1) << \ |
| DP_RX_DESC_PAGE_ID_SHIFT) |
| #define RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK \ |
| ((1 << DP_RX_DESC_OFFSET_NUM_BITS) - 1) |
| #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(_cookie) \ |
| (((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK) >> \ |
| DP_RX_DESC_POOL_ID_SHIFT) |
| #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(_cookie) \ |
| (((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK) >> \ |
| DP_RX_DESC_PAGE_ID_SHIFT) |
| #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(_cookie) \ |
| ((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK) |
| |
| #define RX_DESC_COOKIE_INDEX_SHIFT 0 |
| #define RX_DESC_COOKIE_INDEX_MASK 0x3ffff /* 18 bits */ |
| #define RX_DESC_COOKIE_POOL_ID_SHIFT 18 |
| #define RX_DESC_COOKIE_POOL_ID_MASK 0x1c0000 |
| |
| #define DP_RX_DESC_COOKIE_MAX \ |
| (RX_DESC_COOKIE_INDEX_MASK | RX_DESC_COOKIE_POOL_ID_MASK) |
| |
| #define DP_RX_DESC_COOKIE_POOL_ID_GET(_cookie) \ |
| (((_cookie) & RX_DESC_COOKIE_POOL_ID_MASK) >> \ |
| RX_DESC_COOKIE_POOL_ID_SHIFT) |
| |
| #define DP_RX_DESC_COOKIE_INDEX_GET(_cookie) \ |
| (((_cookie) & RX_DESC_COOKIE_INDEX_MASK) >> \ |
| RX_DESC_COOKIE_INDEX_SHIFT) |
| |
| /* DOC: Offset to obtain LLC hdr |
| * |
| * In the case of Wifi parse error |
| * to reach LLC header from beginning |
| * of VLAN tag we need to skip 8 bytes. |
| * Vlan_tag(4)+length(2)+length added |
| * by HW(2) = 8 bytes. |
| */ |
| #define DP_SKIP_VLAN 8 |
| |
| /** |
| * struct dp_rx_cached_buf - rx cached buffer |
| * @list: linked list node |
| * @buf: skb buffer |
| */ |
| struct dp_rx_cached_buf { |
| qdf_list_node_t node; |
| qdf_nbuf_t buf; |
| }; |
| |
| /* |
| *dp_rx_xor_block() - xor block of data |
| *@b: destination data block |
| *@a: source data block |
| *@len: length of the data to process |
| * |
| *Returns: None |
| */ |
| static inline void dp_rx_xor_block(uint8_t *b, const uint8_t *a, qdf_size_t len) |
| { |
| qdf_size_t i; |
| |
| for (i = 0; i < len; i++) |
| b[i] ^= a[i]; |
| } |
| |
| /* |
| *dp_rx_rotl() - rotate the bits left |
| *@val: unsigned integer input value |
| *@bits: number of bits |
| * |
| *Returns: Integer with left rotated by number of 'bits' |
| */ |
| static inline uint32_t dp_rx_rotl(uint32_t val, int bits) |
| { |
| return (val << bits) | (val >> (32 - bits)); |
| } |
| |
| /* |
| *dp_rx_rotr() - rotate the bits right |
| *@val: unsigned integer input value |
| *@bits: number of bits |
| * |
| *Returns: Integer with right rotated by number of 'bits' |
| */ |
| static inline uint32_t dp_rx_rotr(uint32_t val, int bits) |
| { |
| return (val >> bits) | (val << (32 - bits)); |
| } |
| |
| /* |
| * dp_set_rx_queue() - set queue_mapping in skb |
| * @nbuf: skb |
| * @queue_id: rx queue_id |
| * |
| * Return: void |
| */ |
| #ifdef QCA_OL_RX_MULTIQ_SUPPORT |
| static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id) |
| { |
| qdf_nbuf_record_rx_queue(nbuf, queue_id); |
| return; |
| } |
| #else |
| static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id) |
| { |
| } |
| #endif |
| |
| /* |
| *dp_rx_xswap() - swap the bits left |
| *@val: unsigned integer input value |
| * |
| *Returns: Integer with bits swapped |
| */ |
| static inline uint32_t dp_rx_xswap(uint32_t val) |
| { |
| return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8); |
| } |
| |
| /* |
| *dp_rx_get_le32_split() - get little endian 32 bits split |
| *@b0: byte 0 |
| *@b1: byte 1 |
| *@b2: byte 2 |
| *@b3: byte 3 |
| * |
| *Returns: Integer with split little endian 32 bits |
| */ |
| static inline uint32_t dp_rx_get_le32_split(uint8_t b0, uint8_t b1, uint8_t b2, |
| uint8_t b3) |
| { |
| return b0 | (b1 << 8) | (b2 << 16) | (b3 << 24); |
| } |
| |
| /* |
| *dp_rx_get_le32() - get little endian 32 bits |
| *@b0: byte 0 |
| *@b1: byte 1 |
| *@b2: byte 2 |
| *@b3: byte 3 |
| * |
| *Returns: Integer with little endian 32 bits |
| */ |
| static inline uint32_t dp_rx_get_le32(const uint8_t *p) |
| { |
| return dp_rx_get_le32_split(p[0], p[1], p[2], p[3]); |
| } |
| |
| /* |
| * dp_rx_put_le32() - put little endian 32 bits |
| * @p: destination char array |
| * @v: source 32-bit integer |
| * |
| * Returns: None |
| */ |
| static inline void dp_rx_put_le32(uint8_t *p, uint32_t v) |
| { |
| p[0] = (v) & 0xff; |
| p[1] = (v >> 8) & 0xff; |
| p[2] = (v >> 16) & 0xff; |
| p[3] = (v >> 24) & 0xff; |
| } |
| |
| /* Extract michal mic block of data */ |
| #define dp_rx_michael_block(l, r) \ |
| do { \ |
| r ^= dp_rx_rotl(l, 17); \ |
| l += r; \ |
| r ^= dp_rx_xswap(l); \ |
| l += r; \ |
| r ^= dp_rx_rotl(l, 3); \ |
| l += r; \ |
| r ^= dp_rx_rotr(l, 2); \ |
| l += r; \ |
| } while (0) |
| |
| /** |
| * struct dp_rx_desc_list_elem_t |
| * |
| * @next : Next pointer to form free list |
| * @rx_desc : DP Rx descriptor |
| */ |
| union dp_rx_desc_list_elem_t { |
| union dp_rx_desc_list_elem_t *next; |
| struct dp_rx_desc rx_desc; |
| }; |
| |
| #ifdef RX_DESC_MULTI_PAGE_ALLOC |
| /** |
| * dp_rx_desc_find() - find dp rx descriptor from page ID and offset |
| * @page_id: Page ID |
| * @offset: Offset of the descriptor element |
| * |
| * Return: RX descriptor element |
| */ |
| union dp_rx_desc_list_elem_t *dp_rx_desc_find(uint16_t page_id, uint16_t offset, |
| struct rx_desc_pool *rx_pool); |
| |
| static inline |
| struct dp_rx_desc *dp_get_rx_desc_from_cookie(struct dp_soc *soc, |
| struct rx_desc_pool *pool, |
| uint32_t cookie) |
| { |
| uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie); |
| uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie); |
| uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie); |
| struct rx_desc_pool *rx_desc_pool; |
| union dp_rx_desc_list_elem_t *rx_desc_elem; |
| |
| if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS)) |
| return NULL; |
| |
| rx_desc_pool = &pool[pool_id]; |
| rx_desc_elem = (union dp_rx_desc_list_elem_t *) |
| (rx_desc_pool->desc_pages.cacheable_pages[page_id] + |
| rx_desc_pool->elem_size * offset); |
| |
| return &rx_desc_elem->rx_desc; |
| } |
| |
| /** |
| * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of |
| * the Rx descriptor on Rx DMA source ring buffer |
| * @soc: core txrx main context |
| * @cookie: cookie used to lookup virtual address |
| * |
| * Return: Pointer to the Rx descriptor |
| */ |
| static inline |
| struct dp_rx_desc *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, |
| uint32_t cookie) |
| { |
| return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_buf[0], cookie); |
| } |
| |
| /** |
| * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of |
| * the Rx descriptor on monitor ring buffer |
| * @soc: core txrx main context |
| * @cookie: cookie used to lookup virtual address |
| * |
| * Return: Pointer to the Rx descriptor |
| */ |
| static inline |
| struct dp_rx_desc *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, |
| uint32_t cookie) |
| { |
| return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_mon[0], cookie); |
| } |
| |
| /** |
| * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of |
| * the Rx descriptor on monitor status ring buffer |
| * @soc: core txrx main context |
| * @cookie: cookie used to lookup virtual address |
| * |
| * Return: Pointer to the Rx descriptor |
| */ |
| static inline |
| struct dp_rx_desc *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, |
| uint32_t cookie) |
| { |
| return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_status[0], cookie); |
| } |
| #else |
| /** |
| * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of |
| * the Rx descriptor on Rx DMA source ring buffer |
| * @soc: core txrx main context |
| * @cookie: cookie used to lookup virtual address |
| * |
| * Return: void *: Virtual Address of the Rx descriptor |
| */ |
| static inline |
| void *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, uint32_t cookie) |
| { |
| uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie); |
| uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie); |
| struct rx_desc_pool *rx_desc_pool; |
| |
| if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS)) |
| return NULL; |
| |
| rx_desc_pool = &soc->rx_desc_buf[pool_id]; |
| |
| if (qdf_unlikely(index >= rx_desc_pool->pool_size)) |
| return NULL; |
| |
| return &(soc->rx_desc_buf[pool_id].array[index].rx_desc); |
| } |
| |
| /** |
| * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of |
| * the Rx descriptor on monitor ring buffer |
| * @soc: core txrx main context |
| * @cookie: cookie used to lookup virtual address |
| * |
| * Return: void *: Virtual Address of the Rx descriptor |
| */ |
| static inline |
| void *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, uint32_t cookie) |
| { |
| uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie); |
| uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie); |
| /* TODO */ |
| /* Add sanity for pool_id & index */ |
| return &(soc->rx_desc_mon[pool_id].array[index].rx_desc); |
| } |
| |
| /** |
| * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of |
| * the Rx descriptor on monitor status ring buffer |
| * @soc: core txrx main context |
| * @cookie: cookie used to lookup virtual address |
| * |
| * Return: void *: Virtual Address of the Rx descriptor |
| */ |
| static inline |
| void *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, uint32_t cookie) |
| { |
| uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie); |
| uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie); |
| /* TODO */ |
| /* Add sanity for pool_id & index */ |
| return &(soc->rx_desc_status[pool_id].array[index].rx_desc); |
| } |
| #endif /* RX_DESC_MULTI_PAGE_ALLOC */ |
| |
| void dp_rx_add_desc_list_to_free_list(struct dp_soc *soc, |
| union dp_rx_desc_list_elem_t **local_desc_list, |
| union dp_rx_desc_list_elem_t **tail, |
| uint16_t pool_id, |
| struct rx_desc_pool *rx_desc_pool); |
| |
| uint16_t dp_rx_get_free_desc_list(struct dp_soc *soc, uint32_t pool_id, |
| struct rx_desc_pool *rx_desc_pool, |
| uint16_t num_descs, |
| union dp_rx_desc_list_elem_t **desc_list, |
| union dp_rx_desc_list_elem_t **tail); |
| |
| |
| QDF_STATUS dp_rx_pdev_attach(struct dp_pdev *pdev); |
| |
| void dp_rx_pdev_detach(struct dp_pdev *pdev); |
| |
| |
| uint32_t |
| dp_rx_process(struct dp_intr *int_ctx, void *hal_ring, uint8_t reo_ring_num, |
| uint32_t quota); |
| |
| /** |
| * dp_rx_err_process() - Processes error frames routed to REO error ring |
| * @int_ctx: pointer to DP interrupt context |
| * @soc: core txrx main context |
| * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced |
| * @quota: No. of units (packets) that can be serviced in one shot. |
| * |
| * This function implements error processing and top level demultiplexer |
| * for all the frames routed to REO error ring. |
| * |
| * Return: uint32_t: No. of elements processed |
| */ |
| uint32_t dp_rx_err_process(struct dp_intr *int_ctx, struct dp_soc *soc, |
| void *hal_ring, uint32_t quota); |
| |
| /** |
| * dp_rx_wbm_err_process() - Processes error frames routed to WBM release ring |
| * @int_ctx: pointer to DP interrupt context |
| * @soc: core txrx main context |
| * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced |
| * @quota: No. of units (packets) that can be serviced in one shot. |
| * |
| * This function implements error processing and top level demultiplexer |
| * for all the frames routed to WBM2HOST sw release ring. |
| * |
| * Return: uint32_t: No. of elements processed |
| */ |
| uint32_t |
| dp_rx_wbm_err_process(struct dp_intr *int_ctx, struct dp_soc *soc, |
| void *hal_ring, uint32_t quota); |
| |
| /** |
| * dp_rx_sg_create() - create a frag_list for MSDUs which are spread across |
| * multiple nbufs. |
| * @nbuf: pointer to the first msdu of an amsdu. |
| * @rx_tlv_hdr: pointer to the start of RX TLV headers. |
| * |
| * This function implements the creation of RX frag_list for cases |
| * where an MSDU is spread across multiple nbufs. |
| * |
| * Return: returns the head nbuf which contains complete frag_list. |
| */ |
| qdf_nbuf_t dp_rx_sg_create(qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr); |
| |
| /* |
| * dp_rx_desc_pool_alloc() - create a pool of software rx_descs |
| * at the time of dp rx initialization |
| * |
| * @soc: core txrx main context |
| * @pool_id: pool_id which is one of 3 mac_ids |
| * @pool_size: number of Rx descriptor in the pool |
| * @rx_desc_pool: rx descriptor pool pointer |
| * |
| * Return: QDF status |
| */ |
| QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc, uint32_t pool_id, |
| uint32_t pool_size, struct rx_desc_pool *pool); |
| |
| /* |
| * dp_rx_desc_nbuf_and_pool_free() - free the sw rx desc pool called during |
| * de-initialization of wifi module. |
| * |
| * @soc: core txrx main context |
| * @pool_id: pool_id which is one of 3 mac_ids |
| * @rx_desc_pool: rx descriptor pool pointer |
| * |
| * Return: None |
| */ |
| void dp_rx_desc_nbuf_and_pool_free(struct dp_soc *soc, uint32_t pool_id, |
| struct rx_desc_pool *rx_desc_pool); |
| |
| /* |
| * dp_rx_desc_nbuf_free() - free the sw rx desc nbufs called during |
| * de-initialization of wifi module. |
| * |
| * @soc: core txrx main context |
| * @pool_id: pool_id which is one of 3 mac_ids |
| * @rx_desc_pool: rx descriptor pool pointer |
| * |
| * Return: None |
| */ |
| void dp_rx_desc_nbuf_free(struct dp_soc *soc, |
| struct rx_desc_pool *rx_desc_pool); |
| |
| /* |
| * dp_rx_desc_pool_free() - free the sw rx desc array called during |
| * de-initialization of wifi module. |
| * |
| * @soc: core txrx main context |
| * @rx_desc_pool: rx descriptor pool pointer |
| * |
| * Return: None |
| */ |
| void dp_rx_desc_pool_free(struct dp_soc *soc, |
| struct rx_desc_pool *rx_desc_pool); |
| |
| void dp_rx_deliver_raw(struct dp_vdev *vdev, qdf_nbuf_t nbuf_list, |
| struct dp_peer *peer); |
| |
| /** |
| * dp_rx_add_to_free_desc_list() - Adds to a local free descriptor list |
| * |
| * @head: pointer to the head of local free list |
| * @tail: pointer to the tail of local free list |
| * @new: new descriptor that is added to the free list |
| * |
| * Return: void: |
| */ |
| static inline |
| void dp_rx_add_to_free_desc_list(union dp_rx_desc_list_elem_t **head, |
| union dp_rx_desc_list_elem_t **tail, |
| struct dp_rx_desc *new) |
| { |
| qdf_assert(head && new); |
| |
| new->nbuf = NULL; |
| new->in_use = 0; |
| |
| ((union dp_rx_desc_list_elem_t *)new)->next = *head; |
| *head = (union dp_rx_desc_list_elem_t *)new; |
| if (!*tail) |
| *tail = *head; |
| |
| } |
| |
| uint8_t dp_rx_process_invalid_peer(struct dp_soc *soc, qdf_nbuf_t nbuf, |
| uint8_t mac_id); |
| void dp_rx_process_invalid_peer_wrapper(struct dp_soc *soc, |
| qdf_nbuf_t mpdu, bool mpdu_done, uint8_t mac_id); |
| void dp_rx_process_mic_error(struct dp_soc *soc, qdf_nbuf_t nbuf, |
| uint8_t *rx_tlv_hdr, struct dp_peer *peer); |
| void dp_2k_jump_handle(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, |
| uint16_t peer_id, uint8_t tid); |
| |
| |
| #define DP_RX_LIST_APPEND(head, tail, elem) \ |
| do { \ |
| if (!(head)) { \ |
| (head) = (elem); \ |
| QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head) = 1;\ |
| } else { \ |
| qdf_nbuf_set_next((tail), (elem)); \ |
| QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head)++; \ |
| } \ |
| (tail) = (elem); \ |
| qdf_nbuf_set_next((tail), NULL); \ |
| } while (0) |
| |
| #ifndef BUILD_X86 |
| static inline int check_x86_paddr(struct dp_soc *dp_soc, qdf_nbuf_t *rx_netbuf, |
| qdf_dma_addr_t *paddr, struct dp_pdev *pdev) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| #else |
| #define MAX_RETRY 100 |
| static inline int check_x86_paddr(struct dp_soc *dp_soc, qdf_nbuf_t *rx_netbuf, |
| qdf_dma_addr_t *paddr, struct dp_pdev *pdev) |
| { |
| uint32_t nbuf_retry = 0; |
| int32_t ret; |
| const uint32_t x86_phy_addr = 0x50000000; |
| /* |
| * in M2M emulation platforms (x86) the memory below 0x50000000 |
| * is reserved for target use, so any memory allocated in this |
| * region should not be used by host |
| */ |
| do { |
| if (qdf_likely(*paddr > x86_phy_addr)) |
| return QDF_STATUS_SUCCESS; |
| else { |
| QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
| "phy addr %pK exceeded 0x50000000 trying again", |
| paddr); |
| |
| nbuf_retry++; |
| if ((*rx_netbuf)) { |
| qdf_nbuf_unmap_single(dp_soc->osdev, *rx_netbuf, |
| QDF_DMA_FROM_DEVICE); |
| /* Not freeing buffer intentionally. |
| * Observed that same buffer is getting |
| * re-allocated resulting in longer load time |
| * WMI init timeout. |
| * This buffer is anyway not useful so skip it. |
| **/ |
| } |
| |
| *rx_netbuf = qdf_nbuf_alloc(dp_soc->osdev, |
| RX_BUFFER_SIZE, |
| RX_BUFFER_RESERVATION, |
| RX_BUFFER_ALIGNMENT, |
| FALSE); |
| |
| if (qdf_unlikely(!(*rx_netbuf))) |
| return QDF_STATUS_E_FAILURE; |
| |
| ret = qdf_nbuf_map_single(dp_soc->osdev, *rx_netbuf, |
| QDF_DMA_FROM_DEVICE); |
| |
| if (qdf_unlikely(ret == QDF_STATUS_E_FAILURE)) { |
| qdf_nbuf_free(*rx_netbuf); |
| *rx_netbuf = NULL; |
| continue; |
| } |
| |
| *paddr = qdf_nbuf_get_frag_paddr(*rx_netbuf, 0); |
| } |
| } while (nbuf_retry < MAX_RETRY); |
| |
| if ((*rx_netbuf)) { |
| qdf_nbuf_unmap_single(dp_soc->osdev, *rx_netbuf, |
| QDF_DMA_FROM_DEVICE); |
| qdf_nbuf_free(*rx_netbuf); |
| } |
| |
| return QDF_STATUS_E_FAILURE; |
| } |
| #endif |
| |
| /** |
| * dp_rx_cookie_2_link_desc_va() - Converts cookie to a virtual address of |
| * the MSDU Link Descriptor |
| * @soc: core txrx main context |
| * @buf_info: buf_info include cookie that used to lookup virtual address of |
| * link descriptor Normally this is just an index into a per SOC array. |
| * |
| * This is the VA of the link descriptor, that HAL layer later uses to |
| * retrieve the list of MSDU's for a given MPDU. |
| * |
| * Return: void *: Virtual Address of the Rx descriptor |
| */ |
| static inline |
| void *dp_rx_cookie_2_link_desc_va(struct dp_soc *soc, |
| struct hal_buf_info *buf_info) |
| { |
| void *link_desc_va; |
| uint32_t bank_id = LINK_DESC_COOKIE_BANK_ID(buf_info->sw_cookie); |
| |
| |
| /* TODO */ |
| /* Add sanity for cookie */ |
| |
| link_desc_va = soc->link_desc_banks[bank_id].base_vaddr + |
| (buf_info->paddr - |
| soc->link_desc_banks[bank_id].base_paddr); |
| |
| return link_desc_va; |
| } |
| |
| /** |
| * dp_rx_cookie_2_mon_link_desc_va() - Converts cookie to a virtual address of |
| * the MSDU Link Descriptor |
| * @pdev: core txrx pdev context |
| * @buf_info: buf_info includes cookie that used to lookup virtual address of |
| * link descriptor. Normally this is just an index into a per pdev array. |
| * |
| * This is the VA of the link descriptor in monitor mode destination ring, |
| * that HAL layer later uses to retrieve the list of MSDU's for a given MPDU. |
| * |
| * Return: void *: Virtual Address of the Rx descriptor |
| */ |
| static inline |
| void *dp_rx_cookie_2_mon_link_desc_va(struct dp_pdev *pdev, |
| struct hal_buf_info *buf_info, |
| int mac_id) |
| { |
| void *link_desc_va; |
| int mac_for_pdev = dp_get_mac_id_for_mac(pdev->soc, mac_id); |
| |
| /* TODO */ |
| /* Add sanity for cookie */ |
| |
| link_desc_va = |
| pdev->link_desc_banks[mac_for_pdev][buf_info->sw_cookie].base_vaddr + |
| (buf_info->paddr - |
| pdev->link_desc_banks[mac_for_pdev][buf_info->sw_cookie].base_paddr); |
| |
| return link_desc_va; |
| } |
| |
| /** |
| * dp_rx_defrag_concat() - Concatenate the fragments |
| * |
| * @dst: destination pointer to the buffer |
| * @src: source pointer from where the fragment payload is to be copied |
| * |
| * Return: QDF_STATUS |
| */ |
| static inline QDF_STATUS dp_rx_defrag_concat(qdf_nbuf_t dst, qdf_nbuf_t src) |
| { |
| /* |
| * Inside qdf_nbuf_cat, if it is necessary to reallocate dst |
| * to provide space for src, the headroom portion is copied from |
| * the original dst buffer to the larger new dst buffer. |
| * (This is needed, because the headroom of the dst buffer |
| * contains the rx desc.) |
| */ |
| if (!qdf_nbuf_cat(dst, src)) { |
| /* |
| * qdf_nbuf_cat does not free the src memory. |
| * Free src nbuf before returning |
| * For failure case the caller takes of freeing the nbuf |
| */ |
| qdf_nbuf_free(src); |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| return QDF_STATUS_E_DEFRAG_ERROR; |
| } |
| |
| #ifndef FEATURE_WDS |
| static inline QDF_STATUS dp_rx_ast_set_active(struct dp_soc *soc, uint16_t sa_idx, bool is_active) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline void |
| dp_rx_wds_srcport_learn(struct dp_soc *soc, |
| uint8_t *rx_tlv_hdr, |
| struct dp_peer *ta_peer, |
| qdf_nbuf_t nbuf) |
| { |
| } |
| #endif |
| |
| /* |
| * dp_rx_desc_dump() - dump the sw rx descriptor |
| * |
| * @rx_desc: sw rx descriptor |
| */ |
| static inline void dp_rx_desc_dump(struct dp_rx_desc *rx_desc) |
| { |
| QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_FATAL, |
| "rx_desc->nbuf: %pK, rx_desc->cookie: %d, rx_desc->pool_id: %d, rx_desc->in_use: %d, rx_desc->unmapped: %d", |
| rx_desc->nbuf, rx_desc->cookie, rx_desc->pool_id, |
| rx_desc->in_use, rx_desc->unmapped); |
| } |
| |
| /* |
| * check_qwrap_multicast_loopback() - Check if rx packet is a loopback packet. |
| * In qwrap mode, packets originated from |
| * any vdev should not loopback and |
| * should be dropped. |
| * @vdev: vdev on which rx packet is received |
| * @nbuf: rx pkt |
| * |
| */ |
| #if ATH_SUPPORT_WRAP |
| static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev, |
| qdf_nbuf_t nbuf) |
| { |
| struct dp_vdev *psta_vdev; |
| struct dp_pdev *pdev = vdev->pdev; |
| uint8_t *data = qdf_nbuf_data(nbuf); |
| |
| if (qdf_unlikely(vdev->proxysta_vdev)) { |
| /* In qwrap isolation mode, allow loopback packets as all |
| * packets go to RootAP and Loopback on the mpsta. |
| */ |
| if (vdev->isolation_vdev) |
| return false; |
| TAILQ_FOREACH(psta_vdev, &pdev->vdev_list, vdev_list_elem) { |
| if (qdf_unlikely(psta_vdev->proxysta_vdev && |
| !qdf_mem_cmp(psta_vdev->mac_addr.raw, |
| &data[QDF_MAC_ADDR_SIZE], |
| QDF_MAC_ADDR_SIZE))) { |
| /* Drop packet if source address is equal to |
| * any of the vdev addresses. |
| */ |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| #else |
| static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev, |
| qdf_nbuf_t nbuf) |
| { |
| return false; |
| } |
| #endif |
| |
| #if defined(WLAN_SUPPORT_RX_TAG_STATISTICS) && \ |
| defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) |
| /** |
| * dp_rx_update_rx_protocol_tag_stats() - Increments the protocol tag stats |
| * for the given protocol type |
| * @soc: core txrx main context |
| * @pdev: TXRX pdev context for which stats should be incremented |
| * @protocol_index: Protocol index for which the stats should be incremented |
| * @ring_index: REO ring number from which this tag was received. |
| * |
| * Since HKv2 is a SMP, two or more cores may simultaneously receive packets |
| * of same type, and hence attempt to increment counters for the same protocol |
| * type at the same time. This creates the possibility of missing stats. |
| * |
| * For example, when two or more CPUs have each read the old tag value, V, |
| * for protocol type, P and each increment the value to V+1. Instead, the |
| * operations should have been sequenced to achieve a final value of V+2. |
| * |
| * In order to avoid this scenario, we can either use locks or store stats |
| * on a per-CPU basis. Since tagging happens in the core data path, locks |
| * are not preferred. Instead, we use a per-ring counter, since each CPU |
| * operates on a REO ring. |
| * |
| * Return: void |
| */ |
| static inline void dp_rx_update_rx_protocol_tag_stats(struct dp_pdev *pdev, |
| uint16_t protocol_index, |
| uint16_t ring_index) |
| { |
| if (ring_index >= MAX_REO_DEST_RINGS) |
| return; |
| |
| pdev->reo_proto_tag_stats[ring_index][protocol_index].tag_ctr++; |
| } |
| #else |
| static inline void dp_rx_update_rx_protocol_tag_stats(struct dp_pdev *pdev, |
| uint16_t protocol_index, |
| uint16_t ring_index) |
| { |
| } |
| #endif /* WLAN_SUPPORT_RX_TAG_STATISTICS */ |
| |
| #if defined(WLAN_SUPPORT_RX_TAG_STATISTICS) && \ |
| defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) |
| /** |
| * dp_rx_update_rx_err_protocol_tag_stats() - Increments the protocol tag stats |
| * for the given protocol type |
| * received from exception ring |
| * @soc: core txrx main context |
| * @pdev: TXRX pdev context for which stats should be incremented |
| * @protocol_index: Protocol index for which the stats should be incremented |
| * |
| * In HKv2, all exception packets are received on Ring-0 (along with normal |
| * Rx). Hence tags are maintained separately for exception ring as well. |
| * |
| * Return: void |
| */ |
| static inline |
| void dp_rx_update_rx_err_protocol_tag_stats(struct dp_pdev *pdev, |
| uint16_t protocol_index) |
| { |
| pdev->rx_err_proto_tag_stats[protocol_index].tag_ctr++; |
| } |
| #else |
| static inline |
| void dp_rx_update_rx_err_protocol_tag_stats(struct dp_pdev *pdev, |
| uint16_t protocol_index) |
| { |
| } |
| #endif /* WLAN_SUPPORT_RX_TAG_STATISTICS */ |
| /** |
| * dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV |
| * and set the corresponding tag in QDF packet |
| * @soc: core txrx main context |
| * @vdev: vdev on which the packet is received |
| * @nbuf: QDF pkt buffer on which the protocol tag should be set |
| * @rx_tlv_hdr: rBbase address where the RX TLVs starts |
| * @ring_index: REO ring number, not used for error & monitor ring |
| * @is_reo_exception: flag to indicate if rx from REO ring or exception ring |
| * @is_update_stats: flag to indicate whether to update stats or not |
| * Return: void |
| */ |
| #ifdef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG |
| static inline void |
| dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev, |
| qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, |
| uint16_t ring_index, |
| bool is_reo_exception, bool is_update_stats) |
| { |
| uint16_t cce_metadata = RX_PROTOCOL_TAG_START_OFFSET; |
| bool cce_match = false; |
| struct dp_pdev *pdev; |
| uint16_t protocol_tag = 0; |
| |
| if (qdf_unlikely(!vdev)) |
| return; |
| |
| pdev = vdev->pdev; |
| |
| if (qdf_likely(!pdev->is_rx_protocol_tagging_enabled)) |
| return; |
| |
| /* |
| * In case of raw frames, rx_attention and rx_msdu_end tlv |
| * may be stale or invalid. Do not tag such frames. |
| * Default decap_type is set to ethernet for monitor vdev, |
| * therefore, cannot check decap_type for monitor mode. |
| * We will call this only for eth frames from dp_rx_mon_dest.c. |
| */ |
| if (qdf_likely(!(pdev->monitor_vdev && pdev->monitor_vdev == vdev) && |
| (vdev->rx_decap_type != htt_cmn_pkt_type_ethernet))) |
| return; |
| |
| /* |
| * Check whether HW has filled in the CCE metadata in |
| * this packet, if not filled, just return |
| */ |
| if (qdf_likely(!hal_rx_msdu_cce_match_get(rx_tlv_hdr))) |
| return; |
| |
| cce_match = true; |
| /* Get the cce_metadata from RX MSDU TLV */ |
| cce_metadata = (hal_rx_msdu_cce_metadata_get(rx_tlv_hdr) & |
| RX_MSDU_END_16_CCE_METADATA_MASK); |
| /* |
| * Received CCE metadata should be within the |
| * valid limits |
| */ |
| qdf_assert_always((cce_metadata >= RX_PROTOCOL_TAG_START_OFFSET) && |
| (cce_metadata < (RX_PROTOCOL_TAG_START_OFFSET + |
| RX_PROTOCOL_TAG_MAX))); |
| |
| /* |
| * The CCE metadata received is just the |
| * packet_type + RX_PROTOCOL_TAG_START_OFFSET |
| */ |
| cce_metadata -= RX_PROTOCOL_TAG_START_OFFSET; |
| |
| /* |
| * Update the QDF packet with the user-specified |
| * tag/metadata by looking up tag value for |
| * received protocol type. |
| */ |
| protocol_tag = pdev->rx_proto_tag_map[cce_metadata].tag; |
| qdf_nbuf_set_rx_protocol_tag(nbuf, protocol_tag); |
| QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_LOW, |
| "Seq:%u decap:%u CCE Match:%d ProtoID:%u Tag:%u US:%d", |
| hal_rx_get_rx_sequence(rx_tlv_hdr), |
| vdev->rx_decap_type, cce_match, cce_metadata, |
| protocol_tag, is_update_stats); |
| |
| if (qdf_likely(!is_update_stats)) |
| return; |
| |
| if (qdf_unlikely(is_reo_exception)) { |
| dp_rx_update_rx_err_protocol_tag_stats(pdev, |
| cce_metadata); |
| } else { |
| dp_rx_update_rx_protocol_tag_stats(pdev, |
| cce_metadata, |
| ring_index); |
| } |
| |
| } |
| #else |
| static inline void |
| dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev, |
| qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, |
| uint16_t ring_index, |
| bool is_reo_exception, bool is_update_stats) |
| { |
| /* Stub API */ |
| } |
| #endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */ |
| |
| /** |
| * dp_rx_mon_update_protocol_tag() - Performs necessary checks for monitor mode |
| * and then tags appropriate packets |
| * @soc: core txrx main context |
| * @vdev: pdev on which packet is received |
| * @msdu: QDF packet buffer on which the protocol tag should be set |
| * @rx_desc: base address where the RX TLVs start |
| * Return: void |
| */ |
| #ifdef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG |
| static inline |
| void dp_rx_mon_update_protocol_tag(struct dp_soc *soc, struct dp_pdev *dp_pdev, |
| qdf_nbuf_t msdu, void *rx_desc) |
| { |
| uint32_t msdu_ppdu_id = 0; |
| struct mon_rx_status *mon_recv_status; |
| |
| if (qdf_likely(!dp_pdev->is_rx_protocol_tagging_enabled)) |
| return; |
| |
| if (qdf_likely(!dp_pdev->monitor_vdev)) |
| return; |
| |
| if (qdf_likely(1 != dp_pdev->ppdu_info.rx_status.rxpcu_filter_pass)) |
| return; |
| |
| msdu_ppdu_id = HAL_RX_HW_DESC_GET_PPDUID_GET(rx_desc); |
| |
| if (msdu_ppdu_id != dp_pdev->ppdu_info.com_info.ppdu_id) { |
| QDF_TRACE(QDF_MODULE_ID_DP, |
| QDF_TRACE_LEVEL_ERROR, |
| "msdu_ppdu_id=%x,com_info.ppdu_id=%x", |
| msdu_ppdu_id, |
| dp_pdev->ppdu_info.com_info.ppdu_id); |
| return; |
| } |
| |
| /* |
| * Update the protocol tag in SKB for packets received on BSS. |
| * Do not update tag stats since it would double actual received count |
| */ |
| mon_recv_status = &dp_pdev->ppdu_info.rx_status; |
| if (mon_recv_status->frame_control_info_valid && |
| ((mon_recv_status->frame_control & IEEE80211_FC0_TYPE_MASK) == |
| IEEE80211_FC0_TYPE_DATA)) { |
| dp_rx_update_protocol_tag(soc, |
| dp_pdev->monitor_vdev, |
| msdu, rx_desc, |
| MAX_REO_DEST_RINGS, |
| false, false); |
| } |
| } |
| #else |
| static inline |
| void dp_rx_mon_update_protocol_tag(struct dp_soc *soc, struct dp_pdev *dp_pdev, |
| qdf_nbuf_t msdu, void *rx_desc) |
| { |
| /* Stub API */ |
| } |
| #endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */ |
| /* |
| * dp_rx_buffers_replenish() - replenish rxdma ring with rx nbufs |
| * called during dp rx initialization |
| * and at the end of dp_rx_process. |
| * |
| * @soc: core txrx main context |
| * @mac_id: mac_id which is one of 3 mac_ids |
| * @dp_rxdma_srng: dp rxdma circular ring |
| * @rx_desc_pool: Pointer to free Rx descriptor pool |
| * @num_req_buffers: number of buffer to be replenished |
| * @desc_list: list of descs if called from dp_rx_process |
| * or NULL during dp rx initialization or out of buffer |
| * interrupt. |
| * @tail: tail of descs list |
| * Return: return success or failure |
| */ |
| QDF_STATUS dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id, |
| struct dp_srng *dp_rxdma_srng, |
| struct rx_desc_pool *rx_desc_pool, |
| uint32_t num_req_buffers, |
| union dp_rx_desc_list_elem_t **desc_list, |
| union dp_rx_desc_list_elem_t **tail); |
| |
| /** |
| * dp_rx_link_desc_return() - Return a MPDU link descriptor to HW |
| * (WBM), following error handling |
| * |
| * @soc: core DP main context |
| * @buf_addr_info: opaque pointer to the REO error ring descriptor |
| * @buf_addr_info: void pointer to the buffer_addr_info |
| * @bm_action: put to idle_list or release to msdu_list |
| * Return: QDF_STATUS |
| */ |
| QDF_STATUS |
| dp_rx_link_desc_return(struct dp_soc *soc, void *ring_desc, uint8_t bm_action); |
| |
| QDF_STATUS |
| dp_rx_link_desc_buf_return(struct dp_soc *soc, struct dp_srng *dp_rxdma_srng, |
| void *buf_addr_info, uint8_t bm_action); |
| /** |
| * dp_rx_link_desc_return_by_addr - Return a MPDU link descriptor to |
| * (WBM) by address |
| * |
| * @soc: core DP main context |
| * @link_desc_addr: link descriptor addr |
| * |
| * Return: QDF_STATUS |
| */ |
| QDF_STATUS |
| dp_rx_link_desc_return_by_addr(struct dp_soc *soc, void *link_desc_addr, |
| uint8_t bm_action); |
| |
| /** |
| * dp_rxdma_err_process() - RxDMA error processing functionality |
| * @soc: core txrx main contex |
| * @mac_id: mac id which is one of 3 mac_ids |
| * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced |
| * @quota: No. of units (packets) that can be serviced in one shot. |
| * |
| * Return: num of buffers processed |
| */ |
| uint32_t |
| dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc, |
| uint32_t mac_id, uint32_t quota); |
| |
| void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
| uint8_t *rx_tlv_hdr, struct dp_peer *peer); |
| QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
| uint8_t *rx_tlv_hdr); |
| |
| int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr, struct dp_vdev *vdev, |
| struct dp_peer *peer); |
| |
| qdf_nbuf_t |
| dp_rx_nbuf_prepare(struct dp_soc *soc, struct dp_pdev *pdev); |
| |
| /* |
| * dp_rx_dump_info_and_assert() - dump RX Ring info and Rx Desc info |
| * |
| * @soc: core txrx main context |
| * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced |
| * @ring_desc: opaque pointer to the RX ring descriptor |
| * @rx_desc: host rs descriptor |
| * |
| * Return: void |
| */ |
| void dp_rx_dump_info_and_assert(struct dp_soc *soc, void *hal_ring, |
| void *ring_desc, struct dp_rx_desc *rx_desc); |
| |
| void dp_rx_compute_delay(struct dp_vdev *vdev, qdf_nbuf_t nbuf); |
| #ifdef RX_DESC_DEBUG_CHECK |
| /** |
| * dp_rx_desc_check_magic() - check the magic value in dp_rx_desc |
| * @rx_desc: rx descriptor pointer |
| * |
| * Return: true, if magic is correct, else false. |
| */ |
| static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc) |
| { |
| if (qdf_unlikely(rx_desc->magic != DP_RX_DESC_MAGIC)) |
| return false; |
| |
| rx_desc->magic = 0; |
| return true; |
| } |
| |
| /** |
| * dp_rx_desc_prep() - prepare rx desc |
| * @rx_desc: rx descriptor pointer to be prepared |
| * @nbuf: nbuf to be associated with rx_desc |
| * |
| * Note: assumption is that we are associating a nbuf which is mapped |
| * |
| * Return: none |
| */ |
| static inline void dp_rx_desc_prep(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf) |
| { |
| rx_desc->magic = DP_RX_DESC_MAGIC; |
| rx_desc->nbuf = nbuf; |
| rx_desc->unmapped = 0; |
| } |
| |
| #else |
| |
| static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc) |
| { |
| return true; |
| } |
| |
| static inline void dp_rx_desc_prep(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf) |
| { |
| rx_desc->nbuf = nbuf; |
| rx_desc->unmapped = 0; |
| } |
| #endif /* RX_DESC_DEBUG_CHECK */ |
| |
| void dp_rx_process_rxdma_err(struct dp_soc *soc, qdf_nbuf_t nbuf, |
| uint8_t *rx_tlv_hdr, struct dp_peer *peer, |
| uint8_t err_code, uint8_t mac_id); |
| |
| #ifdef PEER_CACHE_RX_PKTS |
| /** |
| * dp_rx_flush_rx_cached() - flush cached rx frames |
| * @peer: peer |
| * @drop: set flag to drop frames |
| * |
| * Return: None |
| */ |
| void dp_rx_flush_rx_cached(struct dp_peer *peer, bool drop); |
| #else |
| static inline void dp_rx_flush_rx_cached(struct dp_peer *peer, bool drop) |
| { |
| } |
| #endif |
| #endif /* _DP_RX_H */ |