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qcacmn: Fix rx buffer IPA map/unmap for exception cases

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IPA unmapping is skipped for WBM internal error case,
do IPA unmapping for rx buffer received in WBM error case.

While reinjecting RX buffer back to REO, software rx desc
unmapped field is not set in sequence which may lead to
map without unmap error in IPA module. So reset the unmapped
filed after IPA mapping is complete.

Change-Id: I42c1eaa1620f975d47ce2938c95b6b89dbbd3eca
CRs-Fixed: 2952671
This commit is contained in:
Karthik Kantamneni
2021-05-20 10:41:46 +05:30
committed by Madan Koyyalamudi
parent cfbfcf3b21
commit bbd65e7a59
2 changed files with 20 additions and 6 deletions
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18
dp/wifi3.0/dp_rx_err.c
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@@ -2654,6 +2654,7 @@ dp_wbm_int_err_mpdu_pop(struct dp_soc *soc, uint32_t mac_id,
struct hal_buf_info buf_info;
uint32_t rx_bufs_used = 0, msdu_cnt, i;
uint32_t rx_link_buf_info[HAL_RX_BUFFINFO_NUM_DWORDS];
struct rx_desc_pool *rx_desc_pool;
msdu = 0;
@@ -2681,10 +2682,23 @@ dp_wbm_int_err_mpdu_pop(struct dp_soc *soc, uint32_t mac_id,
soc,
msdu_list.sw_cookie[i]);
qdf_assert_always(rx_desc);
rx_desc_pool =
&soc->rx_desc_buf[rx_desc->pool_id];
msdu = rx_desc->nbuf;
qdf_nbuf_unmap_single(soc->osdev, msdu,
QDF_DMA_FROM_DEVICE);
dp_ipa_rx_buf_smmu_mapping_lock(soc);
dp_ipa_handle_rx_buf_smmu_mapping(
soc, msdu,
rx_desc_pool->buf_size,
false);
qdf_nbuf_unmap_nbytes_single(
soc->osdev,
msdu,
QDF_DMA_FROM_DEVICE,
rx_desc_pool->buf_size);
rx_desc->unmapped = 1;
dp_ipa_rx_buf_smmu_mapping_unlock(soc);
dp_rx_buffer_pool_nbuf_free(soc, msdu,
rx_desc->pool_id);