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qcacmn: fix rx path dma-inv-range, unmap-single issues

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In case of duplicated rx descriptors from hardware,
it will hit issues in __dma_inv_range(), __qdf_nbuf_unmap_single.
Detect the duplicates, skip processing them, drop the mpdu.

CRs-Fixed: 2413816
Change-Id: I7efd4b0c1bda5578578927bb22fe9d487758897d
This commit is contained in:
nwzhao 2019-02-14 11:54:25 -08:00 • committed by nshrivas
commit d7196d8dd4
2 changed files with 24 additions and 7 deletions
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8
hal/wifi3.0/hal_rx.h
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@ -1941,6 +1941,8 @@ struct hal_rx_msdu_list {
struct hal_rx_msdu_desc_info msdu_info[HAL_RX_NUM_MSDU_DESC];
uint32_t sw_cookie[HAL_RX_NUM_MSDU_DESC];
uint8_t rbm[HAL_RX_NUM_MSDU_DESC];
/* physical address of the msdu */
uint64_t paddr[HAL_RX_NUM_MSDU_DESC];
};
struct hal_buf_info {
@ -2038,8 +2040,12 @@ static inline void hal_rx_msdu_list_get(struct hal_soc *hal_soc,
msdu_list->sw_cookie[i] =
HAL_RX_BUF_COOKIE_GET(
&msdu_details[i].buffer_addr_info_details);
msdu_list->rbm[i] = HAL_RX_BUF_RBM_GET(
msdu_list->rbm[i] = HAL_RX_BUF_RBM_GET(
&msdu_details[i].buffer_addr_info_details);
msdu_list->paddr[i] = HAL_RX_BUFFER_ADDR_31_0_GET(
&msdu_details[i].buffer_addr_info_details) |
(uint64_t)HAL_RX_BUFFER_ADDR_39_32_GET(
&msdu_details[i].buffer_addr_info_details) << 32;
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
"[%s][%d] i=%d sw_cookie=%d",
__func__, __LINE__, i, msdu_list->sw_cookie[i]);