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-rw-r--r--include/net/ieee80211.h23
-rw-r--r--net/ieee80211/ieee80211_rx.c58
-rw-r--r--net/ieee80211/ieee80211_tx.c64
3 files changed, 130 insertions, 15 deletions
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index 5e11ccf..43cf2e5 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -769,6 +769,27 @@ struct ieee80211_device {
int (*hard_start_xmit) (struct ieee80211_txb * txb,
struct net_device * dev);
int (*reset_port) (struct net_device * dev);
+ int (*is_queue_full) (struct net_device * dev, int pri);
+
+ /* Typical STA methods */
+ int (*handle_auth) (struct net_device * dev,
+ struct ieee80211_auth * auth);
+ int (*handle_disassoc) (struct net_device * dev,
+ struct ieee80211_disassoc * assoc);
+ int (*handle_beacon) (struct net_device * dev,
+ struct ieee80211_beacon * beacon,
+ struct ieee80211_network * network);
+ int (*handle_probe_response) (struct net_device * dev,
+ struct ieee80211_probe_response * resp,
+ struct ieee80211_network * network);
+ int (*handle_assoc_response) (struct net_device * dev,
+ struct ieee80211_assoc_response * resp,
+ struct ieee80211_network * network);
+
+ /* Typical AP methods */
+ int (*handle_assoc_request) (struct net_device * dev);
+ int (*handle_reassoc_request) (struct net_device * dev,
+ struct ieee80211_reassoc_request * req);
/* This must be the last item so that it points to the data
* allocated beyond this structure by alloc_ieee80211 */
@@ -877,6 +898,8 @@ extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
/* ieee80211_tx.c */
extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);
extern void ieee80211_txb_free(struct ieee80211_txb *);
+extern int ieee80211_tx_frame(struct ieee80211_device *ieee,
+ struct ieee80211_hdr *frame, int len);
/* ieee80211_rx.c */
extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 71d14c7..d1ae282 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -1029,12 +1029,18 @@ static inline void update_network(struct ieee80211_network *dst,
/* dst->last_associate is not overwritten */
}
+static inline int is_beacon(int fc)
+{
+ return (WLAN_FC_GET_STYPE(le16_to_cpu(fc)) == IEEE80211_STYPE_BEACON);
+}
+
static inline void ieee80211_process_probe_response(struct ieee80211_device
*ieee, struct
ieee80211_probe_response
*beacon, struct ieee80211_rx_stats
*stats)
{
+ struct net_device *dev = ieee->dev;
struct ieee80211_network network;
struct ieee80211_network *target;
struct ieee80211_network *oldest = NULL;
@@ -1070,11 +1076,10 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device
escape_essid(info_element->data,
info_element->len),
MAC_ARG(beacon->header.addr3),
- WLAN_FC_GET_STYPE(le16_to_cpu
- (beacon->header.
- frame_ctl)) ==
- IEEE80211_STYPE_PROBE_RESP ?
- "PROBE RESPONSE" : "BEACON");
+ is_beacon(le16_to_cpu
+ (beacon->header.
+ frame_ctl)) ?
+ "BEACON" : "PROBE RESPONSE");
return;
}
@@ -1123,11 +1128,10 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device
escape_essid(network.ssid,
network.ssid_len),
MAC_ARG(network.bssid),
- WLAN_FC_GET_STYPE(le16_to_cpu
- (beacon->header.
- frame_ctl)) ==
- IEEE80211_STYPE_PROBE_RESP ?
- "PROBE RESPONSE" : "BEACON");
+ is_beacon(le16_to_cpu
+ (beacon->header.
+ frame_ctl)) ?
+ "BEACON" : "PROBE RESPONSE");
#endif
memcpy(target, &network, sizeof(*target));
list_add_tail(&target->list, &ieee->network_list);
@@ -1136,15 +1140,22 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device
escape_essid(target->ssid,
target->ssid_len),
MAC_ARG(target->bssid),
- WLAN_FC_GET_STYPE(le16_to_cpu
- (beacon->header.
- frame_ctl)) ==
- IEEE80211_STYPE_PROBE_RESP ?
- "PROBE RESPONSE" : "BEACON");
+ is_beacon(le16_to_cpu
+ (beacon->header.
+ frame_ctl)) ?
+ "BEACON" : "PROBE RESPONSE");
update_network(target, &network);
}
spin_unlock_irqrestore(&ieee->lock, flags);
+
+ if (is_beacon(le16_to_cpu(beacon->header.frame_ctl))) {
+ if (ieee->handle_beacon != NULL)
+ ieee->handle_beacon(dev, beacon, &network);
+ } else {
+ if (ieee->handle_probe_response != NULL)
+ ieee->handle_probe_response(dev, beacon, &network);
+ }
}
void ieee80211_rx_mgt(struct ieee80211_device *ieee,
@@ -1185,6 +1196,23 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
ieee80211_probe_response *)
header, stats);
break;
+ case IEEE80211_STYPE_AUTH:
+
+ IEEE80211_DEBUG_MGMT("recieved auth (%d)\n",
+ WLAN_FC_GET_STYPE(le16_to_cpu
+ (header->frame_ctl)));
+
+ if (ieee->handle_auth != NULL)
+ ieee->handle_auth(ieee->dev,
+ (struct ieee80211_auth *)header);
+ break;
+
+ case IEEE80211_STYPE_DISASSOC:
+ if (ieee->handle_disassoc != NULL)
+ ieee->handle_disassoc(ieee->dev,
+ (struct ieee80211_disassoc *)
+ header);
+ break;
default:
IEEE80211_DEBUG_MGMT("received UNKNOWN (%d)\n",
diff --git a/net/ieee80211/ieee80211_tx.c b/net/ieee80211/ieee80211_tx.c
index cdee41c..f505aa1 100644
--- a/net/ieee80211/ieee80211_tx.c
+++ b/net/ieee80211/ieee80211_tx.c
@@ -459,7 +459,71 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
stats->tx_errors++;
return 1;
+}
+
+/* Incoming 802.11 strucure is converted to a TXB
+ * a block of 802.11 fragment packets (stored as skbs) */
+int ieee80211_tx_frame(struct ieee80211_device *ieee,
+ struct ieee80211_hdr *frame, int len)
+{
+ struct ieee80211_txb *txb = NULL;
+ unsigned long flags;
+ struct net_device_stats *stats = &ieee->stats;
+ struct sk_buff *skb_frag;
+
+ spin_lock_irqsave(&ieee->lock, flags);
+
+ /* If there is no driver handler to take the TXB, dont' bother
+ * creating it... */
+ if (!ieee->hard_start_xmit) {
+ printk(KERN_WARNING "%s: No xmit handler.\n", ieee->dev->name);
+ goto success;
+ }
+ if (unlikely(len < 24)) {
+ printk(KERN_WARNING "%s: skb too small (%d).\n",
+ ieee->dev->name, len);
+ goto success;
+ }
+
+ /* When we allocate the TXB we allocate enough space for the reserve
+ * and full fragment bytes (bytes_per_frag doesn't include prefix,
+ * postfix, header, FCS, etc.) */
+ txb = ieee80211_alloc_txb(1, len, GFP_ATOMIC);
+ if (unlikely(!txb)) {
+ printk(KERN_WARNING "%s: Could not allocate TXB\n",
+ ieee->dev->name);
+ goto failed;
+ }
+ txb->encrypted = 0;
+ txb->payload_size = len;
+
+ skb_frag = txb->fragments[0];
+
+ memcpy(skb_put(skb_frag, len), frame, len);
+
+ if (ieee->config &
+ (CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
+ skb_put(skb_frag, 4);
+
+ success:
+ spin_unlock_irqrestore(&ieee->lock, flags);
+
+ if (txb) {
+ if ((*ieee->hard_start_xmit) (txb, ieee->dev) == 0) {
+ stats->tx_packets++;
+ stats->tx_bytes += txb->payload_size;
+ return 0;
+ }
+ ieee80211_txb_free(txb);
+ }
+ return 0;
+
+ failed:
+ spin_unlock_irqrestore(&ieee->lock, flags);
+ stats->tx_errors++;
+ return 1;
}
+EXPORT_SYMBOL(ieee80211_tx_frame);
EXPORT_SYMBOL(ieee80211_txb_free);
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