qcacmn: replenish used nbuf for DS flows
in case of DS pkts the same pkt which is received in RX path (REO2PPE) can be refilled back to wifi rxdma CRs-Fixed: 3381462 Change-Id: I3762c91110ffcc95162bf068b7a1ed3e41904824
This commit is contained in:
Tallapragada Kalyan
committed by
Madan Koyyalamudi
Madan Koyyalamudi
parent
55435d303a
commit
ee4fb4380c
@@ -131,6 +131,7 @@ struct dp_rx_desc_dbg_info {
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* steering
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* @chip_id: chip_id indicating MLO chip_id
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* valid or used only in case of multi-chip MLO
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* @reuse_nbuf: VA of the "skb" which is being reused
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* @magic:
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* @nbuf_data_addr: VA of nbuf data posted
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* @dbg_info:
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@@ -138,9 +139,14 @@ struct dp_rx_desc_dbg_info {
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* @unmapped: used to mark rx_desc an unmapped if the corresponding
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* nbuf is already unmapped
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* @in_err_state: Nbuf sanity failed for this descriptor.
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* @has_reuse_nbuf: the nbuf associated with this desc is also saved in
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* reuse_nbuf field
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*/
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struct dp_rx_desc {
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qdf_nbuf_t nbuf;
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#ifdef WLAN_SUPPORT_PPEDS
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qdf_nbuf_t reuse_nbuf;
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#endif
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uint8_t *rx_buf_start;
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qdf_dma_addr_t paddr_buf_start;
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uint32_t cookie;
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@@ -153,7 +159,8 @@ struct dp_rx_desc {
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#endif
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uint8_t in_use:1,
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unmapped:1,
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in_err_state:1;
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in_err_state:1,
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has_reuse_nbuf:1;
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};
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#ifndef QCA_HOST_MODE_WIFI_DISABLED
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@@ -209,6 +216,9 @@ struct dp_rx_desc {
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#define dp_rx_add_to_free_desc_list(head, tail, new) \
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__dp_rx_add_to_free_desc_list(head, tail, new, __func__)
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#define dp_rx_add_to_free_desc_list_reuse(head, tail, new) \
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__dp_rx_add_to_free_desc_list_reuse(head, tail, new, __func__)
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#define dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
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num_buffers, desc_list, tail, req_only) \
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__dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
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@@ -1710,6 +1720,33 @@ __dp_rx_buffers_no_map_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
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union dp_rx_desc_list_elem_t **desc_list,
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union dp_rx_desc_list_elem_t **tail);
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/**
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* __dp_rx_comp2refill_replenish() - replenish rxdma ring with rx nbufs
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* use direct APIs to get invalidate
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* and get the physical address of the
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* nbuf instead of map api,called during
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* dp rx initialization and at the end
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* of dp_rx_process.
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*
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* @dp_soc: core txrx main context
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* @mac_id: mac_id which is one of 3 mac_ids
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* @dp_rxdma_srng: dp rxdma circular ring
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* @rx_desc_pool: Pointer to free Rx descriptor pool
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* @num_req_buffers: number of buffer to be replenished
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* @desc_list: list of descs if called from dp_rx_process
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* or NULL during dp rx initialization or out of buffer
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* interrupt.
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* @tail: tail of descs list
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* Return: return success or failure
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*/
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QDF_STATUS
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__dp_rx_comp2refill_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
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struct dp_srng *dp_rxdma_srng,
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struct rx_desc_pool *rx_desc_pool,
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uint32_t num_req_buffers,
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union dp_rx_desc_list_elem_t **desc_list,
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union dp_rx_desc_list_elem_t **tail);
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/**
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* __dp_rx_buffers_no_map_lt_replenish() - replenish rxdma ring with rx nbufs
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* use direct APIs to get invalidate
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@@ -1825,6 +1862,58 @@ void dp_rx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
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qdf_nbuf_t nbuf);
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#endif /* QCA_PEER_EXT_STATS */
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#ifdef WLAN_SUPPORT_PPEDS
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static inline
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void dp_rx_set_reuse_nbuf(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf)
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{
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rx_desc->reuse_nbuf = nbuf;
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rx_desc->has_reuse_nbuf = true;
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}
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/**
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* __dp_rx_add_to_free_desc_list_reuse() - Adds to a local free descriptor list
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* this list will reused
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*
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* @head: pointer to the head of local free list
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* @tail: pointer to the tail of local free list
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* @new: new descriptor that is added to the free list
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* @func_name: caller func name
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*
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* Return: void:
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*/
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static inline
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void __dp_rx_add_to_free_desc_list_reuse(union dp_rx_desc_list_elem_t **head,
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union dp_rx_desc_list_elem_t **tail,
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struct dp_rx_desc *new,
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const char *func_name)
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{
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qdf_assert(head && new);
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dp_rx_desc_update_dbg_info(new, func_name, RX_DESC_IN_FREELIST);
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new->nbuf = NULL;
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((union dp_rx_desc_list_elem_t *)new)->next = *head;
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*head = (union dp_rx_desc_list_elem_t *)new;
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/* reset tail if head->next is NULL */
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if (!*tail || !(*head)->next)
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*tail = *head;
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}
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#else
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static inline
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void dp_rx_set_reuse_nbuf(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf)
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{
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}
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static inline
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void __dp_rx_add_to_free_desc_list_reuse(union dp_rx_desc_list_elem_t **head,
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union dp_rx_desc_list_elem_t **tail,
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struct dp_rx_desc *new,
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const char *func_name)
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{
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}
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#endif
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#ifdef RX_DESC_DEBUG_CHECK
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/**
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* dp_rx_desc_check_magic() - check the magic value in dp_rx_desc
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@@ -1858,6 +1947,8 @@ void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
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rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
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rx_desc->unmapped = 0;
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rx_desc->nbuf_data_addr = (uint8_t *)qdf_nbuf_data(rx_desc->nbuf);
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dp_rx_set_reuse_nbuf(rx_desc, rx_desc->nbuf);
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rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
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}
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/**
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@@ -1913,6 +2004,8 @@ void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
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struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
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{
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rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
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dp_rx_set_reuse_nbuf(rx_desc, rx_desc->nbuf);
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rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
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rx_desc->unmapped = 0;
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}
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@@ -2436,6 +2529,18 @@ void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
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num_req_buffers, desc_list, tail);
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}
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static inline
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void dp_rx_comp2refill_replenish(struct dp_soc *soc, uint32_t mac_id,
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struct dp_srng *rxdma_srng,
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struct rx_desc_pool *rx_desc_pool,
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uint32_t num_req_buffers,
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union dp_rx_desc_list_elem_t **desc_list,
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union dp_rx_desc_list_elem_t **tail)
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{
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__dp_rx_comp2refill_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
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num_req_buffers, desc_list, tail);
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}
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static inline
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void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
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struct dp_srng *rxdma_srng,
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@@ -2466,10 +2571,8 @@ qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
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qdf_nbuf_t nbuf,
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uint32_t buf_size)
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{
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if (nbuf->recycled_for_ds) {
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nbuf->recycled_for_ds = 0;
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if (nbuf->recycled_for_ds)
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return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
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}
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if (unlikely(!nbuf->fast_recycled)) {
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qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
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@@ -2491,6 +2594,7 @@ qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
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}
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nbuf->fast_recycled = 0;
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return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
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}
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#endif
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