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ath9k: Fix PHY error processing 

Parse the PHY error details only for the last fragment
in case descriptors are chained.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2013-08-14 09:11:15 +05:30 committed by John W. Linville
parent 3105b67276
commit 6b87d71c1a
1 changed files with 12 additions and 11 deletions
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23
drivers/net/wireless/ath/ath9k/recv.c
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@ -803,8 +803,6 @@ static bool ath9k_rx_accept(struct ath_common *common,
rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
mic_error = false;
}
if (rx_stats->rs_status & ATH9K_RXERR_PHY)
return false;
if ((rx_stats->rs_status & ATH9K_RXERR_DECRYPT) ||
(!is_mc && (rx_stats->rs_status & ATH9K_RXERR_KEYMISS))) {
@ -1087,6 +1085,18 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
ath9k_process_tsf(rx_stats, rx_status, tsf);
/*
* Process PHY errors and return so that the packet
* can be dropped.
*/
if (rx_stats->rs_status & ATH9K_RXERR_PHY) {
ath9k_dfs_process_phyerr(sc, hdr, rx_stats, rx_status->mactime);
if (ath_process_fft(sc, hdr, rx_stats, rx_status->mactime))
RX_STAT_INC(rx_spectral);
return -EINVAL;
}
/*
* everything but the rate is checked here, the rate check is done
* separately to avoid doing two lookups for a rate for each frame.
@ -1265,15 +1275,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
rxs = IEEE80211_SKB_RXCB(hdr_skb);
memset(rxs, 0, sizeof(struct ieee80211_rx_status));
if (rs.rs_status & ATH9K_RXERR_PHY) {
ath9k_dfs_process_phyerr(sc, hdr, &rs, rxs->mactime);
if (ath_process_fft(sc, hdr, &rs, rxs->mactime)) {
RX_STAT_INC(rx_spectral);
goto requeue_drop_frag;
}
}
retval = ath9k_rx_skb_preprocess(sc, hdr, &rs, rxs,
&decrypt_error, tsf);
if (retval)