diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index d6545b3538b..77fbc46624b 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -2088,6 +2088,21 @@ static int ath9k_tx(struct ieee80211_hw *hw, goto exit; } + if (sc->hw->conf.flags & IEEE80211_CONF_PS) { + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + /* + * mac80211 does not set PM field for normal data frames, so we + * need to update that based on the current PS mode. + */ + if (ieee80211_is_data(hdr->frame_control) && + !ieee80211_is_nullfunc(hdr->frame_control) && + !ieee80211_has_pm(hdr->frame_control)) { + DPRINTF(sc, ATH_DBG_PS, "Add PM=1 for a TX frame " + "while in PS mode\n"); + hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); + } + } + if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) { /* * We are using PS-Poll and mac80211 can request TX while in |