diff options
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_mac.c')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_mac.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 0a70149df3f..98a574a4a46 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -866,6 +866,14 @@ static int fill_ctrlset(struct zd_mac *mac, ZD_ASSERT(frag_len <= 0xffff); + /* + * Firmware computes the duration itself (for all frames except PSPoll) + * and needs the field set to 0 at input, otherwise firmware messes up + * duration_id and sets bits 14 and 15 on. + */ + if (!ieee80211_is_pspoll(hdr->frame_control)) + hdr->duration_id = 0; + txrate = ieee80211_get_tx_rate(mac->hw, info); cs->modulation = txrate->hw_value; |