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ath10k: add ath10k_htt_rx_amsdu_allowed function 

Introduce ath10k_htt_rx_amsdu_allowed() function, that
group code for checking if skip amsdu packets.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Janusz Dziedzic 2014-03-19 07:09:40 +01:00 committed by Kalle Valo
parent 7f06ea1e79
commit 2acc4eb2d0
1 changed files with 51 additions and 44 deletions
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95
drivers/net/wireless/ath/ath10k/htt_rx.c
View File

@ -952,6 +952,55 @@ static int ath10k_unchain_msdu(struct sk_buff *msdu_head)
return 0;
}
static bool ath10k_htt_rx_amsdu_allowed(struct ath10k_htt *htt,
struct sk_buff *head,
struct htt_rx_info *info)
{
enum htt_rx_mpdu_status status = info->status;
if (!head) {
ath10k_warn("htt rx no data!\n");
return false;
}
if (head->len == 0) {
ath10k_dbg(ATH10K_DBG_HTT,
"htt rx dropping due to zero-len\n");
return false;
}
if (ath10k_htt_rx_has_decrypt_err(head)) {
ath10k_dbg(ATH10K_DBG_HTT,
"htt rx dropping due to decrypt-err\n");
return false;
}
/* Skip mgmt frames while we handle this in WMI */
if (status == HTT_RX_IND_MPDU_STATUS_MGMT_CTRL ||
ath10k_htt_rx_is_mgmt(head)) {
ath10k_dbg(ATH10K_DBG_HTT, "htt rx mgmt ctrl\n");
return false;
}
if (status != HTT_RX_IND_MPDU_STATUS_OK &&
status != HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR &&
status != HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER &&
!htt->ar->monitor_enabled) {
ath10k_dbg(ATH10K_DBG_HTT,
"htt rx ignoring frame w/ status %d\n",
status);
return false;
}
if (test_bit(ATH10K_CAC_RUNNING, &htt->ar->dev_flags)) {
ath10k_dbg(ATH10K_DBG_HTT,
"htt rx CAC running\n");
return false;
}
return true;
}
static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
struct htt_rx_indication *rx)
{
@ -984,7 +1033,6 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
for (j = 0; j < mpdu_ranges[i].mpdu_count; j++) {
struct sk_buff *msdu_head, *msdu_tail;
enum htt_rx_mpdu_status status;
int msdu_chaining;
msdu_head = NULL;
@ -995,49 +1043,8 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
&msdu_head,
&msdu_tail);
if (!msdu_head) {
ath10k_warn("htt rx no data!\n");
continue;
}
if (msdu_head->len == 0) {
ath10k_dbg(ATH10K_DBG_HTT,
"htt rx dropping due to zero-len\n");
ath10k_htt_rx_free_msdu_chain(msdu_head);
continue;
}
if (ath10k_htt_rx_has_decrypt_err(msdu_head)) {
ath10k_dbg(ATH10K_DBG_HTT,
"htt rx dropping due to decrypt-err\n");
ath10k_htt_rx_free_msdu_chain(msdu_head);
continue;
}
status = info.status;
/* Skip mgmt frames while we handle this in WMI */
if (status == HTT_RX_IND_MPDU_STATUS_MGMT_CTRL ||
ath10k_htt_rx_is_mgmt(msdu_head)) {
ath10k_dbg(ATH10K_DBG_HTT, "htt rx mgmt ctrl\n");
ath10k_htt_rx_free_msdu_chain(msdu_head);
continue;
}
if (status != HTT_RX_IND_MPDU_STATUS_OK &&
status != HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR &&
status != HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER &&
!htt->ar->monitor_enabled) {
ath10k_dbg(ATH10K_DBG_HTT,
"htt rx ignoring frame w/ status %d\n",
status);
ath10k_htt_rx_free_msdu_chain(msdu_head);
continue;
}
if (test_bit(ATH10K_CAC_RUNNING, &htt->ar->dev_flags)) {
ath10k_dbg(ATH10K_DBG_HTT,
"htt rx CAC running\n");
if (!ath10k_htt_rx_amsdu_allowed(htt, msdu_head,
&info)) {
ath10k_htt_rx_free_msdu_chain(msdu_head);
continue;
}