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qcacmn: replenish complete rx_refill ring in UMAC reset

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In case of UMAC reset if in_use buffers are sufficient
to fill complete RX refill ring we are replenishing
only 1/3rd ring at pre-reset.

In case of low threshold interrupts disabled ring might
be never refilled. At post reset refill complete ring.

Change-Id: I0e4ed942120619ef357bc91f8cbbab8c1fd1b06e
CRs-Fixed: 3628996
This commit is contained in:
Chaithanya Garrepalli
2023-09-29 15:54:21 +05:30
committed by Rahul Choudhary
parent c779207718
commit 47296136e3
3 changed files with 43 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
dp/wifi3.0/dp_main.c
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@@ -1974,8 +1974,6 @@ int dp_process_lmac_rings(struct dp_intr *int_ctx, int total_budget)
}
if (int_ctx->host2rxdma_ring_mask & (1 << mac_for_pdev)) {
union dp_rx_desc_list_elem_t *desc_list = NULL;
union dp_rx_desc_list_elem_t *tail = NULL;
struct dp_srng *rx_refill_buf_ring;
struct rx_desc_pool *rx_desc_pool;
@@ -1990,13 +1988,11 @@ int dp_process_lmac_rings(struct dp_intr *int_ctx, int total_budget)
intr_stats->num_host2rxdma_ring_masks++;
if (!rx_refill_lt_disable)
dp_rx_buffers_lt_replenish_simple(soc,
mac_for_pdev,
rx_refill_buf_ring,
rx_desc_pool,
0,
&desc_list,
&tail);
dp_rx_buffers_lt_replenish_simple
(soc, mac_for_pdev,
rx_refill_buf_ring,
rx_desc_pool,
false);
}
}
@@ -11936,6 +11932,7 @@ static QDF_STATUS dp_umac_reset_handle_post_reset_complete(struct dp_soc *soc)
{
QDF_STATUS status;
qdf_nbuf_t nbuf_list = soc->umac_reset_ctx.nbuf_list;
uint8_t mac_id;
soc->umac_reset_ctx.nbuf_list = NULL;
@@ -11959,6 +11956,19 @@ static QDF_STATUS dp_umac_reset_handle_post_reset_complete(struct dp_soc *soc)
nbuf_list = nbuf;
}
/*
* at pre-reset if in_use descriptors are not sufficient we replenish
* only 1/3 of the ring. Try to replenish full ring here.
*/
for (mac_id = 0; mac_id < MAX_PDEV_CNT; mac_id++) {
struct dp_srng *dp_rxdma_srng =
&soc->rx_refill_buf_ring[mac_id];
struct rx_desc_pool *rx_desc_pool = &soc->rx_desc_buf[mac_id];
dp_rx_buffers_lt_replenish_simple(soc, mac_id, dp_rxdma_srng,
rx_desc_pool, true);
}
dp_umac_reset_info("Umac reset done on soc %pK\n trigger start : %u us "
"trigger done : %u us prereset : %u us\n"
"postreset : %u us \n postreset complete: %u us \n",