samsung-sm8650/android_kernel_samsung_sm8650-modules
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qcacmn: Fix the ppdu id and buffer reading issue

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Read the ppdu id from MPDU start TLV instead of
ATTENTION TLV. The MPDU could extend to multiple
SKB buffer. The ATTENTION TLV will be in the TLV
of last SKB buffer. MPDU start will be in the
first SKB buffer in MPDU. Read ppdu id from MPDU
start TLV guarentee the correct reading
The msdu count in MPDU from REO entrance ring is for
msdu count for decap frame or MPDU count for not decap
frame. msdu length in msdu desc info is for msdu
length for decap frame or MPDU length for not decap
frame. The MPDU could extend to multiple SKB.
The continous bit in msdu desc info indicate if
the MPDU/MSDU extend to next SKB. code is modified
accordingly.

Change-Id: If9aeb278f84a57d64651e1f877b5185f6db63cd2
This commit is contained in:
Kai Chen
2017-07-15 18:49:02 -07:00
committed by snandini
parent cdc307f70b
commit 634d53f81b
4 changed files with 69 additions and 37 deletions
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25
hal/wifi3.0/hal_api_mon.h
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@@ -158,12 +158,13 @@ HAL_RX_DESC_GET_80211_HDR(void *hw_desc_addr) {
static inline
uint32_t HAL_RX_MON_HW_DESC_GET_PPDUID_GET(void *hw_desc_addr)
{
struct rx_attention *rx_attn;
struct rx_mpdu_info *rx_mpdu_info;
struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
rx_attn = &rx_desc->attn_tlv.rx_attn;
rx_mpdu_info =
&rx_desc->mpdu_start_tlv.rx_mpdu_start.rx_mpdu_info_details;
return HAL_RX_GET(rx_attn, RX_ATTENTION_0, PHY_PPDU_ID);
return HAL_RX_GET(rx_mpdu_info, RX_MPDU_INFO_0, PHY_PPDU_ID);
}
/* TODO: Move all Rx descriptor functions to hal_rx.h to avoid duplication */
@@ -205,15 +206,13 @@ uint32_t hal_rx_desc_is_first_msdu(void *hw_desc_addr)
* the current descriptor
* @ buf_info: structure to return the buffer information
* @ msdu_cnt: pointer to msdu count in MPDU
* @ mpdu_fcs_err: pointer to valuable of mpdu fcs error
* Return: void
*/
static inline
void hal_rx_reo_ent_buf_paddr_get(void *rx_desc,
struct hal_buf_info *buf_info,
void **pp_buf_addr_info,
uint32_t *msdu_cnt,
bool *mpdu_fcs_err
uint32_t *msdu_cnt
)
{
struct reo_entrance_ring *reo_ent_ring =
@@ -221,24 +220,10 @@ void hal_rx_reo_ent_buf_paddr_get(void *rx_desc,
struct buffer_addr_info *buf_addr_info;
struct rx_mpdu_desc_info *rx_mpdu_desc_info_details;
uint32_t loop_cnt;
uint32_t rxdma_push_reason;
uint32_t rxdma_error_code;
rx_mpdu_desc_info_details =
&reo_ent_ring->reo_level_mpdu_frame_info.rx_mpdu_desc_info_details;
rxdma_push_reason = HAL_RX_GET(reo_ent_ring, REO_ENTRANCE_RING_6,
RXDMA_PUSH_REASON);
*mpdu_fcs_err = false;
if (rxdma_push_reason == HAL_RX_WBM_RXDMA_PSH_RSN_ERROR) {
rxdma_error_code = HAL_RX_GET(reo_ent_ring,
REO_ENTRANCE_RING_6, RXDMA_ERROR_CODE);
if (rxdma_error_code == HAL_RXDMA_ERR_FCS)
*mpdu_fcs_err = true;
}
*msdu_cnt = HAL_RX_GET(rx_mpdu_desc_info_details,
RX_MPDU_DESC_INFO_0, MSDU_COUNT);