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ath10k: handle TKIP MIC error correctly

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We should check MIC error flag base on
rx_attention, to have consistent status
of MIC failure and FCS error.

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 2013-12-13 13:44:16 +01:00 committed by Kalle Valo
parent 2b6a6a90c3
commit 2256940010
3 changed files with 17 additions and 1 deletions
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1
drivers/net/wireless/ath/ath10k/htt.h
View File

@ -1183,6 +1183,7 @@ struct htt_rx_info {
} rate;
bool fcs_err;
bool amsdu_more;
bool mic_err;
};
struct ath10k_htt {

15
drivers/net/wireless/ath/ath10k/htt_rx.c
View File

@ -838,6 +838,20 @@ static bool ath10k_htt_rx_has_fcs_err(struct sk_buff *skb)
return false;
}
static bool ath10k_htt_rx_has_mic_err(struct sk_buff *skb)
{
struct htt_rx_desc *rxd;
u32 flags;
rxd = (void *)skb->data - sizeof(*rxd);
flags = __le32_to_cpu(rxd->attention.flags);
if (flags & RX_ATTENTION_FLAGS_TKIP_MIC_ERR)
return true;
return false;
}
static int ath10k_htt_rx_get_csum_state(struct sk_buff *skb)
{
struct htt_rx_desc *rxd;
@ -960,6 +974,7 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
info.skb = msdu_head;
info.fcs_err = ath10k_htt_rx_has_fcs_err(msdu_head);
info.mic_err = ath10k_htt_rx_has_mic_err(msdu_head);
info.signal = ATH10K_DEFAULT_NOISE_FLOOR;
info.signal += rx->ppdu.combined_rssi;

2
drivers/net/wireless/ath/ath10k/txrx.c
View File

@ -231,7 +231,7 @@ void ath10k_process_rx(struct ath10k *ar, struct htt_rx_info *info)
~IEEE80211_FCTL_PROTECTED);
}
if (info->status == HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR)
if (info->mic_err)
status->flag |= RX_FLAG_MMIC_ERROR;
if (info->fcs_err)