wl1251: get PS Poll and Nullfunc templates from mac80211

Now that mac80211 creates templates for PS Poll and Nullfunc frames, use
them instead of creating our own.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 16 insertions, 42 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 4e373f3dbc43..6cce86462fac 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -563,45 +563,6 @@ static void wl1251_op_remove_interface(struct ieee80211_hw *hw,
         mutex_unlock(&wl->mutex);
 }
 
-static int wl1251_build_null_data(struct wl1251 *wl)
-{
-        struct wl12xx_null_data_template template;
-
-        if (!is_zero_ether_addr(wl->bssid)) {
-                memcpy(template.header.da, wl->bssid, ETH_ALEN);
-                memcpy(template.header.bssid, wl->bssid, ETH_ALEN);
-        } else {
-                memset(template.header.da, 0xff, ETH_ALEN);
-                memset(template.header.bssid, 0xff, ETH_ALEN);
-        }
-
-        memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
-        template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
-                                                IEEE80211_STYPE_NULLFUNC |
-                                                IEEE80211_FCTL_TODS);
-
-        return wl1251_cmd_template_set(wl, CMD_NULL_DATA, &template,
-                                       sizeof(template));
-
-}
-
-static int wl1251_build_ps_poll(struct wl1251 *wl, u16 aid)
-{
-        struct wl12xx_ps_poll_template template;
-
-        memcpy(template.bssid, wl->bssid, ETH_ALEN);
-        memcpy(template.ta, wl->mac_addr, ETH_ALEN);
-
-        /* aid in PS-Poll has its two MSBs each set to 1 */
-        template.aid = cpu_to_le16(1 << 15 | 1 << 14 | aid);
-
-        template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
-
-        return wl1251_cmd_template_set(wl, CMD_PS_POLL, &template,
-                                       sizeof(template));
-
-}
-
 static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
 {
         struct wl1251 *wl = hw->priv;
@@ -1101,7 +1062,7 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
 {
         enum wl1251_cmd_ps_mode mode;
         struct wl1251 *wl = hw->priv;
-        struct sk_buff *beacon;
+        struct sk_buff *beacon, *skb;
         int ret;
 
         wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed");
@@ -1115,7 +1076,13 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
         if (changed & BSS_CHANGED_BSSID) {
                 memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
 
-                ret = wl1251_build_null_data(wl);
+                skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
+                if (!skb)
+                        goto out_sleep;
+
+                ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA,
+                                              skb->data, skb->len);
+                dev_kfree_skb(skb);
                 if (ret < 0)
                         goto out;
 
@@ -1136,7 +1103,14 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
                                                           wl->dtim_period);
                         wl->aid = bss_conf->aid;
 
-                        ret = wl1251_build_ps_poll(wl, wl->aid);
+                        skb = ieee80211_pspoll_get(wl->hw, wl->vif);
+                        if (!skb)
+                                goto out_sleep;
+
+                        ret = wl1251_cmd_template_set(wl, CMD_PS_POLL,
+                                                      skb->data,
+                                                      skb->len);
+                        dev_kfree_skb(skb);
                         if (ret < 0)
                                 goto out_sleep;