samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacmn: Handle insufficient headroom

Browse Source 
If headroom is insufficient during ppdu metadata receive,
reallocate headroom.

Change-Id: Ib3c5295ce73eaab5a5ff6b37f0f37361e7135b9c
This commit is contained in:
syed touqeer pasha
2020-06-05 21:10:29 +05:30
committed by nshrivas
parent 60f7ef7fb1
commit f2d33c938b
1 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
dp/wifi3.0/dp_tx.c
View File

@@ -2786,6 +2786,7 @@ dp_get_completion_indication_for_stack(struct dp_soc *soc,
uint32_t ppdu_id = ts->ppdu_id; uint32_t ppdu_id = ts->ppdu_id;
uint8_t first_msdu = ts->first_msdu; uint8_t first_msdu = ts->first_msdu;
uint8_t last_msdu = ts->last_msdu; uint8_t last_msdu = ts->last_msdu;
uint32_t txcap_hdr_size = sizeof(struct tx_capture_hdr);
if (qdf_unlikely(!pdev->tx_sniffer_enable && !pdev->mcopy_mode && if (qdf_unlikely(!pdev->tx_sniffer_enable && !pdev->mcopy_mode &&
!pdev->latency_capture_enable)) !pdev->latency_capture_enable))
@@ -2816,7 +2817,16 @@ dp_get_completion_indication_for_stack(struct dp_soc *soc,
pdev->m_copy_id.tx_peer_id = peer_id; pdev->m_copy_id.tx_peer_id = peer_id;
} }
if (!qdf_nbuf_push_head(netbuf, sizeof(struct tx_capture_hdr))) { if (qdf_unlikely(qdf_nbuf_headroom(netbuf) < txcap_hdr_size)) {
netbuf = qdf_nbuf_realloc_headroom(netbuf, txcap_hdr_size);
if (!netbuf) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
FL("No headroom"));
return QDF_STATUS_E_NOMEM;
}
}
if (!qdf_nbuf_push_head(netbuf, txcap_hdr_size)) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
FL("No headroom")); FL("No headroom"));
return QDF_STATUS_E_NOMEM; return QDF_STATUS_E_NOMEM;