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qcacmn: Strip additional bytes from skb containing Rx payload

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In existing code, the RX payload buffer for M-copy mode contained
RX MSDU payload followed by additional TLV data.

Add change to strip the skb and only provide MSDU payload

Change-Id: I9834fabfb0e26404a620d8419e7c570fff68f182
This commit is contained in:
Soumya Bhat 2018-03-13 14:10:24 +05:30 • committed by nshrivas
commit dc8aca8501
2 changed files with 15 additions and 5 deletions
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10
dp/wifi3.0/dp_rx_mon_status.c
View file

@ -216,7 +216,7 @@ dp_rx_handle_mcopy_mode(struct dp_soc *soc, struct dp_pdev *pdev,
{
uint8_t size = 0;
if (ppdu_info->first_msdu_payload == NULL)
if (ppdu_info->msdu_info.first_msdu_payload == NULL)
return QDF_STATUS_SUCCESS;
if (pdev->m_copy_id.rx_ppdu_id == ppdu_info->com_info.ppdu_id)
@ -225,12 +225,16 @@ dp_rx_handle_mcopy_mode(struct dp_soc *soc, struct dp_pdev *pdev,
pdev->m_copy_id.rx_ppdu_id = ppdu_info->com_info.ppdu_id;
/* Include 2 bytes of reserved space appended to the msdu payload */
size = (ppdu_info->first_msdu_payload - qdf_nbuf_data(nbuf)) + 2;
ppdu_info->first_msdu_payload = NULL;
size = (ppdu_info->msdu_info.first_msdu_payload -
qdf_nbuf_data(nbuf)) + 2;
ppdu_info->msdu_info.first_msdu_payload = NULL;
if (qdf_nbuf_pull_head(nbuf, size) == NULL)
return QDF_STATUS_SUCCESS;
/* only retain RX MSDU payload in the skb */
qdf_nbuf_trim_tail(nbuf, qdf_nbuf_len(nbuf) -
ppdu_info->msdu_info.payload_len);
dp_wdi_event_handler(WDI_EVENT_RX_DATA, soc,
nbuf, HTT_INVALID_PEER, WDI_NO_VAL, pdev->pdev_id);
return QDF_STATUS_E_ALREADY;