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qcacmn: Filter rx fcs error frames for m_copy mode

瀏覽代碼 
Filter fcs_err frames and pass only first fcs ok msdu payload
from ppdu to upper layer

Change-Id: Ibf739193275f4f5a5c3e786abbbaa45165b5aa13
CRs-Fixed: 2439392
此提交包含在：
Amir Patel
2019-05-15 20:49:57 +05:30
提交者 nshrivas
父節點 f4667d4ba0
當前提交 57e7e055f2
共有 5 個檔案被更改，包括 183 行新增 和 17 行删除
下載 Patch 檔 下載差異檔 展開所有檔案 折疊所有檔案

120
dp/wifi3.0/dp_rx_mon_status.c
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@@ -311,6 +311,56 @@ static void dp_rx_stats_update(struct dp_pdev *pdev, struct dp_peer *peer,
}
#endif
/*
* dp_rx_get_fcs_ok_msdu() - get ppdu status buffer containing fcs_ok msdu
* @pdev: pdev object
* @ppdu_info: ppdu info object
*
* Return: nbuf
*/
static inline qdf_nbuf_t
dp_rx_get_fcs_ok_msdu(struct dp_pdev *pdev,
struct hal_rx_ppdu_info *ppdu_info)
{
uint16_t mpdu_fcs_ok;
qdf_nbuf_t status_nbuf = NULL;
unsigned long int fcs_ok_bitmap;
/* If fcs_ok_bitmap is zero, no need to procees further */
if (qdf_unlikely(!ppdu_info->com_info.mpdu_fcs_ok_bitmap))
return NULL;
/* Obtain fcs_ok passed index from bitmap
* this index is used to get fcs passed first msdu payload
*/
fcs_ok_bitmap = ppdu_info->com_info.mpdu_fcs_ok_bitmap;
mpdu_fcs_ok = qdf_find_first_bit(&fcs_ok_bitmap, HAL_RX_MAX_MPDU);
/* Get status buffer by indexing mpdu_fcs_ok index
* containing first msdu payload with fcs passed
* and clone the buffer
*/
status_nbuf = ppdu_info->ppdu_msdu_info[mpdu_fcs_ok].nbuf;
/* Take ref of status nbuf as this nbuf is to be
* freeed by upper layer.
*/
qdf_nbuf_ref(status_nbuf);
/* Free the ppdu status buffer queue */
qdf_nbuf_queue_free(&pdev->rx_ppdu_buf_q);
return status_nbuf;
}
static inline void
dp_rx_handle_ppdu_status_buf(struct dp_pdev *pdev,
struct hal_rx_ppdu_info *ppdu_info,
qdf_nbuf_t status_nbuf)
{
qdf_nbuf_queue_add(&pdev->rx_ppdu_buf_q, status_nbuf);
}
/**
* dp_rx_handle_mcopy_mode() - Allocate and deliver first MSDU payload
* @soc: core txrx main context
@@ -329,7 +379,7 @@ dp_rx_handle_mcopy_mode(struct dp_soc *soc, struct dp_pdev *pdev,
struct ieee80211_frame *wh;
uint32_t *nbuf_data;
if (!ppdu_info->msdu_info.first_msdu_payload)
if (!ppdu_info->fcs_ok_msdu_info.first_msdu_payload)
return QDF_STATUS_SUCCESS;
if (pdev->m_copy_id.rx_ppdu_id == ppdu_info->com_info.ppdu_id)
@@ -337,11 +387,12 @@ 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;
wh = (struct ieee80211_frame *)(ppdu_info->msdu_info.first_msdu_payload
+ 4);
size = (ppdu_info->msdu_info.first_msdu_payload -
wh = (struct ieee80211_frame *)
(ppdu_info->fcs_ok_msdu_info.first_msdu_payload + 4);
size = (ppdu_info->fcs_ok_msdu_info.first_msdu_payload -
qdf_nbuf_data(nbuf));
ppdu_info->msdu_info.first_msdu_payload = NULL;
ppdu_info->fcs_ok_msdu_info.first_msdu_payload = NULL;
if (qdf_nbuf_pull_head(nbuf, size) == NULL)
return QDF_STATUS_SUCCESS;
@@ -357,7 +408,7 @@ dp_rx_handle_mcopy_mode(struct dp_soc *soc, struct dp_pdev *pdev,
*nbuf_data = pdev->ppdu_info.com_info.ppdu_id;
/* only retain RX MSDU payload in the skb */
qdf_nbuf_trim_tail(nbuf, qdf_nbuf_len(nbuf) -
ppdu_info->msdu_info.payload_len);
ppdu_info->fcs_ok_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;
@@ -371,6 +422,49 @@ dp_rx_handle_mcopy_mode(struct dp_soc *soc, struct dp_pdev *pdev,
}
#endif
#ifdef FEATURE_PERPKT_INFO
static inline void
dp_rx_process_mcopy_mode(struct dp_soc *soc, struct dp_pdev *pdev,
struct hal_rx_ppdu_info *ppdu_info,
uint32_t tlv_status,
qdf_nbuf_t status_nbuf)
{
QDF_STATUS mcopy_status;
if (qdf_unlikely(!ppdu_info->com_info.mpdu_cnt)) {
qdf_nbuf_free(status_nbuf);
return;
}
/* Add buffers to queue until we receive
* HAL_TLV_STATUS_PPDU_DONE
*/
dp_rx_handle_ppdu_status_buf(pdev, ppdu_info, status_nbuf);
/* If tlv_status is PPDU_DONE, process rx_ppdu_buf_q
* and devliver fcs_ok msdu buffer
*/
if (tlv_status == HAL_TLV_STATUS_PPDU_DONE) {
/* Get rx ppdu status buffer having fcs ok msdu */
status_nbuf = dp_rx_get_fcs_ok_msdu(pdev, ppdu_info);
if (status_nbuf) {
mcopy_status = dp_rx_handle_mcopy_mode(soc, pdev,
ppdu_info,
status_nbuf);
if (mcopy_status == QDF_STATUS_SUCCESS)
qdf_nbuf_free(status_nbuf);
}
}
}
#else
static inline void
dp_rx_process_mcopy_mode(struct dp_soc *soc, struct dp_pdev *pdev,
struct hal_rx_ppdu_info *ppdu_info,
uint32_t tlv_status,
qdf_nbuf_t status_nbuf)
{
}
#endif
/**
* dp_rx_handle_smart_mesh_mode() - Deliver header for smart mesh
* @soc: Datapath SOC handle
@@ -571,7 +665,6 @@ dp_rx_mon_status_process_tlv(struct dp_soc *soc, uint32_t mac_id,
uint8_t *rx_tlv;
uint8_t *rx_tlv_start;
uint32_t tlv_status = HAL_TLV_STATUS_BUF_DONE;
QDF_STATUS m_copy_status = QDF_STATUS_SUCCESS;
QDF_STATUS enh_log_status = QDF_STATUS_SUCCESS;
struct cdp_pdev_mon_stats *rx_mon_stats;
int smart_mesh_status;
@@ -601,7 +694,8 @@ dp_rx_mon_status_process_tlv(struct dp_soc *soc, uint32_t mac_id,
(rx_enh_capture_mode != CDP_RX_ENH_CAPTURE_DISABLED)) {
do {
tlv_status = hal_rx_status_get_tlv_info(rx_tlv,
ppdu_info, pdev->soc->hal_soc);
ppdu_info, pdev->soc->hal_soc,
status_nbuf);
dp_rx_mon_update_dbg_ppdu_stats(ppdu_info,
rx_mon_stats);
@@ -643,11 +737,10 @@ dp_rx_mon_status_process_tlv(struct dp_soc *soc, uint32_t mac_id,
pdev, ppdu_info, status_nbuf);
if (smart_mesh_status)
qdf_nbuf_free(status_nbuf);
} else if (pdev->mcopy_mode) {
m_copy_status = dp_rx_handle_mcopy_mode(soc,
pdev, ppdu_info, status_nbuf);
if (m_copy_status == QDF_STATUS_SUCCESS)
qdf_nbuf_free(status_nbuf);
} else if (qdf_unlikely(pdev->mcopy_mode)) {
dp_rx_process_mcopy_mode(soc, pdev,
ppdu_info, tlv_status,
status_nbuf);
} else if (rx_enh_capture_mode != CDP_RX_ENH_CAPTURE_DISABLED) {
if (!nbuf_used)
qdf_nbuf_free(status_nbuf);
@@ -1118,6 +1211,7 @@ dp_rx_pdev_mon_status_attach(struct dp_pdev *pdev, int ring_id) {
return status;
qdf_nbuf_queue_init(&pdev->rx_status_q);
qdf_nbuf_queue_init(&pdev->rx_ppdu_buf_q);
pdev->mon_ppdu_status = DP_PPDU_STATUS_START;