diff options
| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2012-04-02 15:21:06 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-04-12 00:24:01 +0400 |
| commit | e66a8ddff72e85605f2212a0ebc666c7e9116641 (patch) | |
| tree | 3e7771b8eecf67db45fe8c71691f8abe5258e71f /drivers/net/wireless/rt2x00/rt2x00mac.c | |
| parent | cefa5fd29756c608cd9ad67a358324972f7fbc25 (diff) | |
| download | linux-e66a8ddff72e85605f2212a0ebc666c7e9116641.tar.xz | |
rt2x00: do not generate seqno in h/w if QOS is disabled
This is workaround H/W or F/W bug, see in code comments. Without the fix
ping can receive duplicated ICMP frames while associated with legacy AP.
Reported-by: Walter Goldens <goldenstranger@yahoo.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00mac.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 2df2eb6d3e06..b49773ef72f2 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -709,9 +709,19 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, rt2x00dev->intf_associated--; rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated); + + clear_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags); } /* + * Check for access point which do not support 802.11e . We have to + * generate data frames sequence number in S/W for such AP, because + * of H/W bug. + */ + if (changes & BSS_CHANGED_QOS && !bss_conf->qos) + set_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags); + + /* * When the erp information has changed, we should perform * additional configuration steps. For all other changes we are done. */ |