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-rw-r--r--drivers/net/wireless/hostap/hostap_80211_tx.c6
-rw-r--r--drivers/net/wireless/hostap/hostap_ap.c30
-rw-r--r--drivers/net/wireless/hostap/hostap_ap.h9
-rw-r--r--drivers/net/wireless/hostap/hostap_wlan.h17
4 files changed, 30 insertions, 32 deletions
diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c
index 8f39871d6908..cfb3ecc783fa 100644
--- a/drivers/net/wireless/hostap/hostap_80211_tx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_tx.c
@@ -226,7 +226,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
meta = (struct hostap_skb_tx_data *) skb->cb;
memset(meta, 0, sizeof(*meta));
meta->magic = HOSTAP_SKB_TX_DATA_MAGIC;
- meta->wds = use_wds;
+ if (use_wds)
+ meta->flags |= HOSTAP_TX_FLAGS_WDS;
meta->ethertype = ethertype;
meta->iface = iface;
@@ -410,7 +411,8 @@ int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
case AP_TX_CONTINUE_NOT_AUTHORIZED:
if (local->ieee_802_1x &&
HOSTAP_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA &&
- meta->ethertype != ETH_P_PAE && !meta->wds) {
+ meta->ethertype != ETH_P_PAE &&
+ !(meta->flags & HOSTAP_TX_FLAGS_WDS)) {
printk(KERN_DEBUG "%s: dropped frame to unauthorized "
"port (IEEE 802.1X): ethertype=0x%04x\n",
dev->name, meta->ethertype);
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index c9aeefcd7612..550855a91509 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -1840,6 +1840,8 @@ static void ap_handle_dropped_data(local_info_t *local,
static void pspoll_send_buffered(local_info_t *local, struct sta_info *sta,
struct sk_buff *skb)
{
+ struct hostap_skb_tx_data *meta;
+
if (!(sta->flags & WLAN_STA_PS)) {
/* Station has moved to non-PS mode, so send all buffered
* frames using normal device queue. */
@@ -1849,11 +1851,11 @@ static void pspoll_send_buffered(local_info_t *local, struct sta_info *sta,
/* add a flag for hostap_handle_sta_tx() to know that this skb should
* be passed through even though STA is using PS */
- memcpy(skb->cb, AP_SKB_CB_MAGIC, AP_SKB_CB_MAGIC_LEN);
- skb->cb[AP_SKB_CB_MAGIC_LEN] = AP_SKB_CB_BUFFERED_FRAME;
+ meta = (struct hostap_skb_tx_data *) skb->cb;
+ meta->flags |= HOSTAP_TX_FLAGS_BUFFERED_FRAME;
if (!skb_queue_empty(&sta->tx_buf)) {
/* indicate to STA that more frames follow */
- skb->cb[AP_SKB_CB_MAGIC_LEN] |= AP_SKB_CB_ADD_MOREDATA;
+ meta->flags |= HOSTAP_TX_FLAGS_ADD_MOREDATA;
}
dev_queue_xmit(skb);
}
@@ -2707,7 +2709,8 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx)
atomic_inc(&sta->users);
spin_unlock(&local->ap->sta_table_lock);
- if (local->iw_mode == IW_MODE_MASTER && sta == NULL && !meta->wds &&
+ if (local->iw_mode == IW_MODE_MASTER && sta == NULL &&
+ !(meta->flags & HOSTAP_TX_FLAGS_WDS) &&
meta->iface->type != HOSTAP_INTERFACE_MASTER &&
meta->iface->type != HOSTAP_INTERFACE_AP) {
#if 0
@@ -2743,18 +2746,15 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx)
if (!(sta->flags & WLAN_STA_PS))
goto out;
- if (memcmp(skb->cb, AP_SKB_CB_MAGIC, AP_SKB_CB_MAGIC_LEN) == 0) {
- if (skb->cb[AP_SKB_CB_MAGIC_LEN] & AP_SKB_CB_ADD_MOREDATA) {
- /* indicate to STA that more frames follow */
- hdr->frame_control |=
- __constant_cpu_to_le16(WLAN_FC_MOREDATA);
- }
+ if (meta->flags & HOSTAP_TX_FLAGS_ADD_MOREDATA) {
+ /* indicate to STA that more frames follow */
+ hdr->frame_control |= __constant_cpu_to_le16(WLAN_FC_MOREDATA);
+ }
- if (skb->cb[AP_SKB_CB_MAGIC_LEN] & AP_SKB_CB_BUFFERED_FRAME) {
- /* packet was already buffered and now send due to
- * PS poll, so do not rebuffer it */
- goto out;
- }
+ if (meta->flags & HOSTAP_TX_FLAGS_BUFFERED_FRAME) {
+ /* packet was already buffered and now send due to
+ * PS poll, so do not rebuffer it */
+ goto out;
}
if (skb_queue_len(&sta->tx_buf) >= STA_MAX_TX_BUFFER) {
diff --git a/drivers/net/wireless/hostap/hostap_ap.h b/drivers/net/wireless/hostap/hostap_ap.h
index 137f78e4532b..512abc2c83a3 100644
--- a/drivers/net/wireless/hostap/hostap_ap.h
+++ b/drivers/net/wireless/hostap/hostap_ap.h
@@ -6,15 +6,6 @@
/* maximum number of frames to buffer per STA */
#define STA_MAX_TX_BUFFER 32
-/* Flags used in skb->cb[6] to control how the packet is handled in TX path.
- * skb->cb[0..5] must contain magic value 'hostap' to indicate that cb[6] is
- * used. */
-#define AP_SKB_CB_MAGIC "hostap"
-#define AP_SKB_CB_MAGIC_LEN 6
-#define AP_SKB_CB_BUFFERED_FRAME BIT(0)
-#define AP_SKB_CB_ADD_MOREDATA BIT(1)
-
-
/* STA flags */
#define WLAN_STA_AUTH BIT(0)
#define WLAN_STA_ASSOC BIT(1)
diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h
index a632d45f334d..6f5bea8a5c23 100644
--- a/drivers/net/wireless/hostap/hostap_wlan.h
+++ b/drivers/net/wireless/hostap/hostap_wlan.h
@@ -941,16 +941,21 @@ struct hostap_interface {
#define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
-/* TX meta data - stored in skb->cb buffer, so this must be not increase over
- * 48-byte limit */
+/*
+ * TX meta data - stored in skb->cb buffer, so this must not be increased over
+ * the 40-byte limit
+ */
struct hostap_skb_tx_data {
- unsigned int magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
- int rate; /* transmit rate */
+ u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
+ u8 rate; /* transmit rate */
+#define HOSTAP_TX_FLAGS_WDS BIT(0)
+#define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
+#define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
+ u8 flags; /* HOSTAP_TX_FLAGS_* */
+ u16 tx_cb_idx;
struct hostap_interface *iface;
unsigned long jiffies; /* queueing timestamp */
- int wds;
unsigned short ethertype;
- int tx_cb_idx;
};