From mboxrd@z Thu Jan 1 00:00:00 1970 From: Seth Forshee Date: Mon, 16 Dec 2013 16:01:00 -0600 Subject: [RFC PATCH 8/8] b43: Set B43_MACCTL_HWPS when PM should be set In-Reply-To: <1387231260-2849-1-git-send-email-seth.forshee@canonical.com> References: <1387231260-2849-1-git-send-email-seth.forshee@canonical.com> Message-ID: <1387231260-2849-9-git-send-email-seth.forshee@canonical.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Johannes Berg Cc: linux-wireless@vger.kernel.org, b43-dev@lists.infradead.org, brcm80211-dev-list@broadcom.com, "John W. Linville" , Stefano Brivio , Arend van Spriel , Seth Forshee Even though powersave is not supported the HWPS bit still needs to be set in order to transmit nullfunc frames with PM set. Add support for the change_ps callback to set this bit whenever the powersave mode requires PM to be set. Signed-off-by: Seth Forshee --- drivers/net/wireless/b43/main.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index bc6ba1c..d883160 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4030,6 +4030,21 @@ out_unlock_mutex: mutex_unlock(&wl->mutex); } +static void b43_op_change_ps(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct b43_wl *wl = hw_to_b43_wl(hw); + unsigned int ps_flags; + + if (vif->ps_mode == IEEE80211_VIF_PS_DOZE || + vif->ps_mode == IEEE80211_VIF_PS_AWAKE_PM) + ps_flags = B43_PS_ENABLED; + else + ps_flags = B43_PS_DISABLED; + + b43_power_saving_ctl_bits(wl->current_dev, ps_flags); +} + static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) @@ -5031,6 +5046,7 @@ static const struct ieee80211_ops b43_hw_ops = { .remove_interface = b43_op_remove_interface, .config = b43_op_config, .bss_info_changed = b43_op_bss_info_changed, + .change_ps = b43_op_change_ps, .configure_filter = b43_op_configure_filter, .set_key = b43_op_set_key, .update_tkip_key = b43_op_update_tkip_key, -- 1.8.3.2