diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-05-04 08:01:58 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-05-04 08:01:58 +0000 |
| commit | 7e7db3e39c7ab30e8f5ce309e77c5700c5e58e43 (patch) | |
| tree | a9c024f2fe96ccf0db495f638b2fd012e8a4a887 | |
| parent | 7f55641908bb5ef37bad8f3d79af5d6e3ad859f5 (diff) | |
ath9k: fix filtering out multi-descriptor frames, which can cause issues with 11n links because of bogus rx status data
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21351 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -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 000000000..3bc730e32 --- /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) |