Beacons+TIM are created/updated for beaconing only when BSS_CHANGED_BEACON. This is not compliant with power-saving stations. Fix it by updating beacon templates on mac80211 set_tim callback.
Signed-off-by: Ali MJ Al-Nasrawy <[email protected]> --- .../broadcom/brcm80211/brcmsmac/mac80211_if.c | 21 +++++++++++++++++++ .../broadcom/brcm80211/brcmsmac/main.h | 1 + 2 files changed, 22 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c index ddfdfe1..85e7b77 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c @@ -502,6 +502,7 @@ brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) } spin_lock_bh(&wl->lock); + wl->wlc->vif = vif; wl->mute_tx = false; brcms_c_mute(wl->wlc, false); if (vif->type == NL80211_IFTYPE_STATION) @@ -937,6 +938,25 @@ static void brcms_ops_set_tsf(struct ieee80211_hw *hw, spin_unlock_bh(&wl->lock); } +static int brcms_ops_beacon_set_tim(struct ieee80211_hw *hw, + struct ieee80211_sta *sta, bool set) +{ + struct brcms_info *wl = hw->priv; + struct sk_buff *beacon; + u16 tim_offset = 0; + + beacon = ieee80211_beacon_get_tim(hw, wl->wlc->vif, + &tim_offset, NULL); + if (beacon){ + spin_lock_bh(&wl->lock); + brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset, + wl->wlc->vif->bss_conf.dtim_period); + spin_unlock_bh(&wl->lock); + } + + return 0; +} + static const struct ieee80211_ops brcms_ops = { .tx = brcms_ops_tx, .start = brcms_ops_start, @@ -955,6 +975,7 @@ static const struct ieee80211_ops brcms_ops = { .flush = brcms_ops_flush, .get_tsf = brcms_ops_get_tsf, .set_tsf = brcms_ops_set_tsf, + .set_tim = brcms_ops_beacon_set_tim, }; void brcms_dpc(unsigned long data) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.h b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.h index c4d135c..6ece25c 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.h @@ -568,6 +568,7 @@ struct brcms_c_info { u16 beacon_tim_offset; u16 beacon_dtim_period; struct sk_buff *probe_resp; + struct ieee80211_vif *vif; }; /* antsel module specific state */ -- 2.18.0
