From 0112118fd6e0f52beec7e2e34e8c0660e229ed23 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 13 Jul 2011 15:39:26 +0000 Subject: [PATCH] ath9k: add some more fixes to the mic failure handling rework patch, backport of r27607 SVN-Revision: 27608 --- .../patches/550-ath9k_mmic_verify.patch | 35 +++++++++++++++---- 1 file changed, 28 insertions(+), 7 deletions(-) diff --git a/package/mac80211/patches/550-ath9k_mmic_verify.patch b/package/mac80211/patches/550-ath9k_mmic_verify.patch index 1918e11d7c..a6b2502bf2 100644 --- a/package/mac80211/patches/550-ath9k_mmic_verify.patch +++ b/package/mac80211/patches/550-ath9k_mmic_verify.patch @@ -24,12 +24,31 @@ if (!rx_stats->rs_datalen) return false; /* -@@ -850,25 +853,9 @@ static bool ath9k_rx_accept(struct ath_c +@@ -838,6 +841,11 @@ static bool ath9k_rx_accept(struct ath_c + if (rx_stats->rs_more) + return true; + ++ mic_error = is_valid_tkip && !ieee80211_is_ctl(fc) && ++ !ieee80211_has_morefrags(fc) && ++ !(le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG) && ++ (rx_stats->rs_status & ATH9K_RXERR_MIC); ++ + /* + * The rx_stats->rs_status will not be set until the end of the + * chained descriptors so it can be ignored if rs_more is set. The +@@ -845,30 +853,18 @@ static bool ath9k_rx_accept(struct ath_c + * descriptors. + */ + if (rx_stats->rs_status != 0) { +- if (rx_stats->rs_status & ATH9K_RXERR_CRC) ++ if (rx_stats->rs_status & ATH9K_RXERR_CRC) { + 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) { -+ if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) + if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) { *decrypt_error = true; - } else if (rx_stats->rs_status & ATH9K_RXERR_MIC) { - bool is_mc; @@ -39,7 +58,7 @@ - * decrypted using a valid TKIP key. - */ - is_mc = !!is_multicast_ether_addr(hdr->addr1); - +- - if (!ieee80211_is_ctl(fc) && - !ieee80211_has_morefrags(fc) && - !(le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG) && @@ -47,11 +66,13 @@ - rxs->flag |= RX_FLAG_MMIC_ERROR; - else - rx_stats->rs_status &= ~ATH9K_RXERR_MIC; -- } ++ mic_error = false; + } ++ /* * Reject error frames with the exception of * decryption and MIC failures. For monitor mode, -@@ -886,6 +873,18 @@ static bool ath9k_rx_accept(struct ath_c +@@ -886,6 +882,18 @@ static bool ath9k_rx_accept(struct ath_c } } } @@ -70,7 +91,7 @@ return true; } -@@ -1940,6 +1939,9 @@ int ath_rx_tasklet(struct ath_softc *sc, +@@ -1940,6 +1948,9 @@ int ath_rx_tasklet(struct ath_softc *sc, sc->rx.rxotherant = 0; } -- 2.30.2