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| author | Felix Fietkau <nbd@openwrt.org> | 2010-05-04 08:01:58 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2010-05-04 08:01:58 +0000 |
| commit | 34ad2a0b71ab9e6e67199fb0cc4a859b66e7f821 (patch) | |
| tree | fb973211d7536d2f65de147513bf4c4282e3f00e /package/mac80211 | |
| parent | 724e84146d14d4dc399c35497c89aba5fc75a1de (diff) | |
| download | upstream-34ad2a0b71ab9e6e67199fb0cc4a859b66e7f821.tar.gz upstream-34ad2a0b71ab9e6e67199fb0cc4a859b66e7f821.tar.bz2 upstream-34ad2a0b71ab9e6e67199fb0cc4a859b66e7f821.zip | |
ath9k: fix filtering out multi-descriptor frames, which can cause issues with 11n links because of bogus rx status data
SVN-Revision: 21351
Diffstat (limited to 'package/mac80211')
| -rw-r--r-- | package/mac80211/patches/550-ath9k_no_multi_desc_frames.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/package/mac80211/patches/550-ath9k_no_multi_desc_frames.patch b/package/mac80211/patches/550-ath9k_no_multi_desc_frames.patch new file mode 100644 index 0000000000..3bc730e32e --- /dev/null +++ b/package/mac80211/patches/550-ath9k_no_multi_desc_frames.patch @@ -0,0 +1,24 @@ +--- a/drivers/net/wireless/ath/ath9k/common.c ++++ b/drivers/net/wireless/ath/ath9k/common.c +@@ -57,13 +57,19 @@ static bool ath9k_rx_accept(struct ath_c + * rs_more indicates chained descriptors which can be used + * to link buffers together for a sort of scatter-gather + * operation. +- * ++ * reject the frame, we don't support scatter-gather yet and ++ * the frame is probably corrupt anyway ++ */ ++ if (rx_stats->rs_more) ++ return false; ++ ++ /* + * 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 + * rs_more will be false at the last element of the chained + * descriptors. + */ +- if (!rx_stats->rs_more && rx_stats->rs_status != 0) { ++ if (rx_stats->rs_status != 0) { + if (rx_stats->rs_status & ATH9K_RXERR_CRC) + rxs->flag |= RX_FLAG_FAILED_FCS_CRC; + if (rx_stats->rs_status & ATH9K_RXERR_PHY) |