summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/wl12xx/main.c7
-rw-r--r--drivers/net/wireless/wl12xx/tx.c27
2 files changed, 18 insertions, 16 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index a2d16933ccb..f76be5ad8ab 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1477,11 +1477,14 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
struct wl1271 *wl = hw->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_vif *vif = info->control.vif;
- struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
+ struct wl12xx_vif *wlvif = NULL;
unsigned long flags;
int q, mapping;
u8 hlid;
+ if (vif)
+ wlvif = wl12xx_vif_to_data(vif);
+
mapping = skb_get_queue_mapping(skb);
q = wl1271_tx_get_queue(mapping);
@@ -1491,7 +1494,7 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
/* queue the packet */
if (hlid == WL12XX_INVALID_LINK_ID ||
- !test_bit(hlid, wlvif->links_map)) {
+ (wlvif && !test_bit(hlid, wlvif->links_map))) {
wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q);
dev_kfree_skb(skb);
goto out;
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index 27a45e1459c..c7ad4f5976c 100644
--- a/drivers/net/wireless/wl12xx/tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -185,7 +185,7 @@ u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif,
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- if (wl12xx_is_dummy_packet(wl, skb))
+ if (!wlvif || wl12xx_is_dummy_packet(wl, skb))
return wl->system_hlid;
if (wlvif->bss_type == BSS_TYPE_AP_BSS)
@@ -264,7 +264,8 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct wl12xx_vif *wlvif,
ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
wl->tx_allocated_pkts[ac]++;
- if (!is_dummy && wlvif->bss_type == BSS_TYPE_AP_BSS &&
+ if (!is_dummy && wlvif &&
+ wlvif->bss_type == BSS_TYPE_AP_BSS &&
test_bit(hlid, wlvif->ap.sta_hlid_map))
wl->links[hlid].allocated_pkts++;
@@ -307,7 +308,7 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif,
desc->start_time = cpu_to_le32(hosttime - wl->time_offset);
is_dummy = wl12xx_is_dummy_packet(wl, skb);
- if (is_dummy || wlvif->bss_type != BSS_TYPE_AP_BSS)
+ if (is_dummy || !wlvif || wlvif->bss_type != BSS_TYPE_AP_BSS)
desc->life_time = cpu_to_le16(TX_HW_MGMT_PKT_LIFETIME_TU);
else
desc->life_time = cpu_to_le16(TX_HW_AP_MODE_PKT_LIFETIME_TU);
@@ -326,14 +327,14 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif,
TX_HW_ATTR_SESSION_COUNTER;
tx_attr |= TX_HW_ATTR_TX_DUMMY_REQ;
- } else {
+ } else if (wlvif) {
/* configure the tx attributes */
tx_attr = wlvif->session_counter <<
TX_HW_ATTR_OFST_SESSION_COUNTER;
}
desc->hlid = hlid;
- if (is_dummy)
+ if (is_dummy || !wlvif)
rate_idx = 0;
else if (wlvif->bss_type != BSS_TYPE_AP_BSS) {
/* if the packets are destined for AP (have a STA entry)
@@ -446,7 +447,7 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif,
wl1271_tx_fill_hdr(wl, wlvif, skb, extra, info, hlid);
- if (!is_dummy && wlvif->bss_type == BSS_TYPE_AP_BSS) {
+ if (!is_dummy && wlvif && wlvif->bss_type == BSS_TYPE_AP_BSS) {
wl1271_tx_ap_update_inconnection_sta(wl, skb);
wl1271_tx_regulate_link(wl, wlvif, hlid);
}
@@ -623,6 +624,9 @@ static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
}
}
+ if (!skb)
+ skb = wl12xx_lnk_skb_dequeue(wl, &wl->links[wl->system_hlid]);
+
if (!skb &&
test_and_clear_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) {
int q;
@@ -716,19 +720,14 @@ void wl1271_tx_work_locked(struct wl1271 *wl)
return;
while ((skb = wl1271_skb_dequeue(wl))) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
bool has_data = false;
wlvif = NULL;
- if (!wl12xx_is_dummy_packet(wl, skb)) {
- struct ieee80211_tx_info *info;
- struct ieee80211_vif *vif;
+ if (!wl12xx_is_dummy_packet(wl, skb) && info->control.vif)
+ wlvif = wl12xx_vif_to_data(info->control.vif);
- info = IEEE80211_SKB_CB(skb);
- vif = info->control.vif;
- wlvif = wl12xx_vif_to_data(vif);
- }
has_data = wlvif && wl1271_tx_is_data_present(skb);
-
ret = wl1271_prepare_tx_frame(wl, wlvif, skb, buf_offset);
if (ret == -EAGAIN) {
/*