mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-24 21:54:36 +02:00
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
This commit is contained in:
parent
7f55641908
commit
7e7db3e39c
@ -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)
|
Loading…
Reference in New Issue
Block a user