samsung-sm8650/android_kernel_samsung_sm8650-modules
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Kod Konular Değişiklik İstekleri İşlemler Paketler Projeler Sürüm Wiki Aktivite

qcacmn: Ignore monitor pkt ring TLVs during flush

Kaynağa Gözat 
TLVs in monitor packet buffers might be incomplete during
RXDMA flush, and should not be used to check PPDU IDs against
status ring PPDU IDs. This was causing stall in monitor
destination ring processing.

Change-Id: I99729beb65936477ea42cf5939da2036f36ee303
CRs-Fixed: 2193051
Bu işleme şunda yer alıyor:
Karunakar Dasineni
2018-02-23 22:11:01 -08:00
işlemeyi yapan: snandini
ebeveyn 394f93bbbc
işleme de3c3a0c11
1 değiştirilmiş dosya ile 37 ekleme ve 20 silme
Yama Dosyasını İndir Diff Dosyasını İndir Tüm dosyaları genişlet Tüm dosyaları daralt

57
dp/wifi3.0/dp_rx_mon_dest.c
Dosyayı Görüntüle

@@ -144,6 +144,7 @@ dp_rx_mon_mpdu_pop(struct dp_soc *soc, uint32_t mac_id,
uint32_t i;
uint32_t total_frag_len = 0, frag_len = 0;
bool is_frag, is_first_msdu;
bool check_ppdu_id = true;
msdu_len = 0;
msdu = 0;
@@ -154,6 +155,13 @@ dp_rx_mon_mpdu_pop(struct dp_soc *soc, uint32_t mac_id,
hal_rx_reo_ent_buf_paddr_get(rxdma_dst_ring_desc, &buf_info,
&p_last_buf_addr_info, &msdu_cnt);
if ((hal_rx_reo_ent_rxdma_push_reason_get(rxdma_dst_ring_desc) ==
HAL_RX_WBM_RXDMA_PSH_RSN_ERROR) &&
qdf_unlikely(hal_rx_reo_ent_rxdma_error_code_get(
rxdma_dst_ring_desc) == HAL_RXDMA_ERR_FLUSH_REQUEST)) {
check_ppdu_id = false;
}
is_frag = false;
is_first_msdu = true;
@@ -184,30 +192,39 @@ dp_rx_mon_mpdu_pop(struct dp_soc *soc, uint32_t mac_id,
rx_desc_tlv = HAL_RX_MON_DEST_GET_DESC(data);
if (is_first_msdu) {
msdu_ppdu_id =
HAL_RX_MON_HW_DESC_GET_PPDUID_GET(rx_desc_tlv);
is_first_msdu = false;
}
QDF_TRACE(QDF_MODULE_ID_DP,
QDF_TRACE_LEVEL_DEBUG,
"[%s][%d] i=%d, ppdu_id=%x, msdu_ppdu_id=%x last_ppdu_id=%x num msdus = %u",
__func__, __LINE__, i,
*ppdu_id, msdu_ppdu_id, last_ppdu_id,
num_msdus);
QDF_TRACE_LEVEL_DEBUG,
"[%s] i=%d, ppdu_id=%x, "
"last_ppdu_id=%x num_msdus = %u\n",
__func__, i, *ppdu_id,
last_ppdu_id, num_msdus);
if (qdf_likely(check_ppdu_id)) {
if (is_first_msdu) {
msdu_ppdu_id =
HAL_RX_MON_HW_DESC_GET_PPDUID_GET(
rx_desc_tlv);
is_first_msdu = false;
}
if (*ppdu_id > msdu_ppdu_id)
QDF_TRACE(QDF_MODULE_ID_DP,
QDF_TRACE_LEVEL_WARN,
"[%s][%d] ppdu_id=%d msdu_ppdu_id=%d",
__func__, __LINE__, *ppdu_id,
msdu_ppdu_id);
QDF_TRACE_LEVEL_DEBUG,
"[%s] msdu_ppdu_id=%x\n",
__func__, msdu_ppdu_id);
if ((*ppdu_id < msdu_ppdu_id) && (*ppdu_id >
last_ppdu_id)) {
*ppdu_id = msdu_ppdu_id;
return rx_bufs_used;
if (*ppdu_id > msdu_ppdu_id)
QDF_TRACE(QDF_MODULE_ID_DP,
QDF_TRACE_LEVEL_WARN,
"[%s][%d] ppdu_id=%d "
"msdu_ppdu_id=%d\n",
__func__, __LINE__, *ppdu_id,
msdu_ppdu_id);
if ((*ppdu_id < msdu_ppdu_id) && (*ppdu_id >
last_ppdu_id)) {
*ppdu_id = msdu_ppdu_id;
return rx_bufs_used;
}
}
if (hal_rx_desc_is_first_msdu(rx_desc_tlv))