int wl1271_cmd_build_null_data(struct wl1271 *wl)
{
struct sk_buff *skb = NULL;
int size;
void *ptr;
int ret = -ENOMEM;
if (wl->bss_type == BSS_TYPE_IBSS) {
size = sizeof(struct wl12xx_null_data_template);
ptr = NULL;
} else {
skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
if (!skb)
goto out;
size = skb->len;
ptr = skb->data;
}
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0,
WL1271_RATE_AUTOMATIC);
out:
dev_kfree_skb(skb);
if (ret)
wl1271_warning("cmd buld null data failed %d", ret);
return ret;
}
int wl1271_cmd_build_klv_null_data(struct wl1271 *wl)
{
struct sk_buff *skb = NULL;
int ret = -ENOMEM;
skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
if (!skb)
goto out;
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV,
skb->data, skb->len,
CMD_TEMPL_KLV_IDX_NULL_DATA,
WL1271_RATE_AUTOMATIC);
out:
dev_kfree_skb(skb);
if (ret)
wl1271_warning("cmd build klv null data failed %d", ret);
return ret;
}
int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl,
struct wl12xx_vif *wlvif)
{
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
struct sk_buff *skb = NULL;
int ret = -ENOMEM;
skb = ieee80211_nullfunc_get(wl->hw, vif);
if (!skb)
goto out;
ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV,
skb->data, skb->len,
wlvif->sta.klv_template_id,
wlvif->basic_rate);
out:
dev_kfree_skb(skb);
if (ret)
wl1271_warning("cmd build klv null data failed %d", ret);
return ret;
}