diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index acd013353cc7..8ecf409476cd 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -213,8 +213,19 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, __set_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); - if (!test_bit(REQUIRE_SW_SEQNO, &rt2x00dev->cap_flags)) - return; + if (!test_bit(REQUIRE_SW_SEQNO, &rt2x00dev->cap_flags)) { + /* + * rt2800 has a H/W (or F/W) bug, device incorrectly increase + * seqno on retransmited data (non-QOS) frames. To workaround + * the problem let's generate seqno in software if QOS is + * disabled. + */ + if (test_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags)) + __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); + else + /* H/W will generate sequence number */ + return; + } /* * The hardware is not able to insert a sequence number. Assign a |