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rt2x00: Do not increment sequence number while re-transmitting the frames

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coolsnowwolf 2019-03-01 16:34:16 +08:00
parent 5a207287e6
commit c96a9b1ff6
1 changed files with 39 additions and 0 deletions
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39
package/kernel/mac80211/patches/rt2x00/987-rt2x00-do-not-increment-management-frame-sequence-number-while-retry.patch Normal file
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@ -0,0 +1,39 @@
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
index 1ab507c..f62f7c0 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
@@ -207,22 +207,20 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
*/
if (test_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags))
__clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags);
- else
- /* H/W will generate sequence number */
- return;
+ else {
+ /*
+ * rt2800 has a beacon problem(beacon is sent with same sequence
+ * number more than once)with software generated sequence number.
+ * So for beacons,hardware will generate sequence number and for
+ * other Management frames software will generate sequence number.
+ */
+ if (ieee80211_is_beacon(hdr->frame_control))
+ return;
+ else
+ __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags);
+ }
}
- /*
- * The hardware is not able to insert a sequence number. Assign a
- * software generated one here.
- *
- * This is wrong because beacons are not getting sequence
- * numbers assigned properly.
- *
- * A secondary problem exists for drivers that cannot toggle
- * sequence counting per-frame, since those will override the
- * sequence counter given by mac80211.
- */
if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
seqno = atomic_add_return(0x10, &intf->seqno);
else