diff options
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 4daafb07602f..fd580614085b 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1607,23 +1607,16 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) /* * Change STA power saving mode only at the end of a frame - * exchange sequence. + * exchange sequence, and only for a data or management + * frame as specified in IEEE 802.11-2016 11.2.3.2 */ if (!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS) && !ieee80211_has_morefrags(hdr->frame_control) && - !ieee80211_is_back_req(hdr->frame_control) && + (ieee80211_is_mgmt(hdr->frame_control) || + ieee80211_is_data(hdr->frame_control)) && !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) && (rx->sdata->vif.type == NL80211_IFTYPE_AP || - rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && - /* - * PM bit is only checked in frames where it isn't reserved, - * in AP mode it's reserved in non-bufferable management frames - * (cf. IEEE 802.11-2012 8.2.4.1.7 Power Management field) - * BAR frames should be ignored as specified in - * IEEE 802.11-2012 10.2.1.2. - */ - (!ieee80211_is_mgmt(hdr->frame_control) || - ieee80211_is_bufferable_mmpdu(hdr->frame_control))) { + rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) { if (test_sta_flag(sta, WLAN_STA_PS_STA)) { if (!ieee80211_has_pm(hdr->frame_control)) sta_ps_end(sta); |