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qcacmn: replenish used nbuf for DS flows

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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
2023-01-13 18:33:52 +05:30
committed by Madan Koyyalamudi
parent 55435d303a
commit ee4fb4380c
4 changed files with 234 additions and 7 deletions
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99
dp/wifi3.0/dp_rx.c
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@@ -458,7 +458,9 @@ __dp_rx_buffers_no_map_lt_replenish(struct dp_soc *soc, uint32_t mac_id,
qdf_assert_always(rxdma_ring_entry);
desc_list->rx_desc.nbuf = nbuf;
dp_rx_set_reuse_nbuf(&desc_list->rx_desc, nbuf);
desc_list->rx_desc.rx_buf_start = nbuf->data;
desc_list->rx_desc.paddr_buf_start = paddr;
desc_list->rx_desc.unmapped = 0;
/* rx_desc.in_use should be zero at this time*/
@@ -560,7 +562,9 @@ __dp_rx_buffers_no_map_replenish(struct dp_soc *soc, uint32_t mac_id,
break;
(*desc_list)->rx_desc.nbuf = nbuf;
dp_rx_set_reuse_nbuf(&(*desc_list)->rx_desc, nbuf);
(*desc_list)->rx_desc.rx_buf_start = nbuf->data;
(*desc_list)->rx_desc.paddr_buf_start = QDF_NBUF_CB_PADDR(nbuf);
(*desc_list)->rx_desc.unmapped = 0;
/* rx_desc.in_use should be zero at this time*/
@@ -600,6 +604,99 @@ __dp_rx_buffers_no_map_replenish(struct dp_soc *soc, uint32_t mac_id,
return QDF_STATUS_SUCCESS;
}
#ifdef WLAN_SUPPORT_PPEDS
QDF_STATUS
__dp_rx_comp2refill_replenish(struct dp_soc *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)
{
struct dp_pdev *dp_pdev = dp_get_pdev_for_lmac_id(soc, mac_id);
uint32_t count;
void *rxdma_ring_entry;
union dp_rx_desc_list_elem_t *next;
union dp_rx_desc_list_elem_t *cur;
void *rxdma_srng;
qdf_nbuf_t nbuf;
rxdma_srng = dp_rxdma_srng->hal_srng;
if (qdf_unlikely(!dp_pdev)) {
dp_rx_err("%pK: pdev is null for mac_id = %d",
soc, mac_id);
return QDF_STATUS_E_FAILURE;
}
if (qdf_unlikely(!rxdma_srng)) {
dp_rx_debug("%pK: rxdma srng not initialized", soc);
DP_STATS_INC(dp_pdev, replenish.rxdma_err, num_req_buffers);
return QDF_STATUS_E_FAILURE;
}
hal_srng_access_start(soc->hal_soc, rxdma_srng);
for (count = 0; count < num_req_buffers; count++) {
next = (*desc_list)->next;
qdf_prefetch(next);
rxdma_ring_entry = (struct dp_buffer_addr_info *)
hal_srng_src_get_next(soc->hal_soc, rxdma_srng);
if (!rxdma_ring_entry)
break;
(*desc_list)->rx_desc.in_use = 1;
(*desc_list)->rx_desc.in_err_state = 0;
(*desc_list)->rx_desc.nbuf = (*desc_list)->rx_desc.reuse_nbuf;
hal_rxdma_buff_addr_info_set(soc->hal_soc, rxdma_ring_entry,
(*desc_list)->rx_desc.paddr_buf_start,
(*desc_list)->rx_desc.cookie,
rx_desc_pool->owner);
*desc_list = next;
}
hal_srng_access_end(soc->hal_soc, rxdma_srng);
/* No need to count the number of bytes received during replenish.
* Therefore set replenish.pkts.bytes as 0.
*/
DP_STATS_INC_PKT(dp_pdev, replenish.pkts, count, 0);
DP_STATS_INC(dp_pdev, buf_freelist, (num_req_buffers - count));
/*
* add any available free desc back to the free list
*/
cur = *desc_list;
for ( ; count < num_req_buffers; count++) {
next = cur->next;
qdf_prefetch(next);
nbuf = cur->rx_desc.reuse_nbuf;
cur->rx_desc.nbuf = NULL;
cur->rx_desc.in_use = 0;
cur->rx_desc.has_reuse_nbuf = false;
cur->rx_desc.reuse_nbuf = NULL;
if (!nbuf->recycled_for_ds)
dp_rx_nbuf_unmap_pool(soc, rx_desc_pool, nbuf);
nbuf->recycled_for_ds = 0;
nbuf->fast_recycled = 0;
qdf_nbuf_free(nbuf);
cur = next;
}
if (*desc_list)
dp_rx_add_desc_list_to_free_list(soc, desc_list, tail,
mac_id, rx_desc_pool);
return QDF_STATUS_SUCCESS;
}
#endif
QDF_STATUS __dp_pdev_rx_buffers_no_map_attach(struct dp_soc *soc,
uint32_t mac_id,
struct dp_srng *dp_rxdma_srng,
@@ -665,7 +762,9 @@ QDF_STATUS __dp_pdev_rx_buffers_no_map_attach(struct dp_soc *soc,
qdf_assert_always(rxdma_ring_entry);
desc_list->rx_desc.nbuf = nbuf;
dp_rx_set_reuse_nbuf(&desc_list->rx_desc, nbuf);
desc_list->rx_desc.rx_buf_start = nbuf->data;
desc_list->rx_desc.paddr_buf_start = paddr;
desc_list->rx_desc.unmapped = 0;
/* rx_desc.in_use should be zero at this time*/