X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fieee80211%2Fieee80211_tx.c;h=d8b02603cbe5d9a86811b88c5510620cfec42a94;hb=d692ef6dcd20da60786470654410e85f29c2ddd9;hp=3fca4345ebe523ccb1a2b0ec57a5c7a987f0824d;hpb=1c9e8ef7f731c2548414644e5bf540c38c85aff0;p=linux-2.6-omap-h63xx.git

diff --git a/net/ieee80211/ieee80211_tx.c b/net/ieee80211/ieee80211_tx.c
index 3fca4345ebe..d8b02603cbe 100644
--- a/net/ieee80211/ieee80211_tx.c
+++ b/net/ieee80211/ieee80211_tx.c
@@ -126,7 +126,7 @@ payload of each frame is reduced to 492 bytes.
 static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
 static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
 
-static int ieee80211_copy_snap(u8 * data, u16 h_proto)
+static int ieee80211_copy_snap(u8 * data, __be16 h_proto)
 {
 	struct ieee80211_snap_hdr *snap;
 	u8 *oui;
@@ -136,7 +136,7 @@ static int ieee80211_copy_snap(u8 * data, u16 h_proto)
 	snap->ssap = 0xaa;
 	snap->ctrl = 0x03;
 
-	if (h_proto == 0x8137 || h_proto == 0x80f3)
+	if (h_proto == htons(ETH_P_AARP) || h_proto == htons(ETH_P_IPX))
 		oui = P802_1H_OUI;
 	else
 		oui = RFC1042_OUI;
@@ -144,7 +144,7 @@ static int ieee80211_copy_snap(u8 * data, u16 h_proto)
 	snap->oui[1] = oui[1];
 	snap->oui[2] = oui[2];
 
-	*(u16 *) (data + SNAP_SIZE) = htons(h_proto);
+	memcpy(data + SNAP_SIZE, &h_proto, sizeof(u16));
 
 	return SNAP_SIZE + sizeof(u16);
 }
@@ -228,7 +228,7 @@ static int ieee80211_classify(struct sk_buff *skb)
 	if (eth->h_proto != htons(ETH_P_IP))
 		return 0;
 
-	ip = skb->nh.iph;
+	ip = ip_hdr(skb);
 	switch (ip->tos & 0xfc) {
 	case 0x20:
 		return 2;
@@ -260,7 +260,8 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 	    rts_required;
 	unsigned long flags;
 	struct net_device_stats *stats = &ieee->stats;
-	int ether_type, encrypt, host_encrypt, host_encrypt_msdu, host_build_iv;
+	int encrypt, host_encrypt, host_encrypt_msdu, host_build_iv;
+	__be16 ether_type;
 	int bytes, fc, hdr_len;
 	struct sk_buff *skb_frag;
 	struct ieee80211_hdr_3addrqos header = {/* Ensure zero initialized */
@@ -291,11 +292,11 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 		goto success;
 	}
 
-	ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto);
+	ether_type = ((struct ethhdr *)skb->data)->h_proto;
 
 	crypt = ieee->crypt[ieee->tx_keyidx];
 
-	encrypt = !(ether_type == ETH_P_PAE && ieee->ieee802_1x) &&
+	encrypt = !(ether_type == htons(ETH_P_PAE) && ieee->ieee802_1x) &&
 	    ieee->sec.encrypt;
 
 	host_encrypt = ieee->host_encrypt && encrypt && crypt;
@@ -303,14 +304,14 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 	host_build_iv = ieee->host_build_iv && encrypt && crypt;
 
 	if (!encrypt && ieee->ieee802_1x &&
-	    ieee->drop_unencrypted && ether_type != ETH_P_PAE) {
+	    ieee->drop_unencrypted && ether_type != htons(ETH_P_PAE)) {
 		stats->tx_dropped++;
 		goto success;
 	}
 
 	/* Save source and destination addresses */
-	memcpy(dest, skb->data, ETH_ALEN);
-	memcpy(src, skb->data + ETH_ALEN, ETH_ALEN);
+	skb_copy_from_linear_data(skb, dest, ETH_ALEN);
+	skb_copy_from_linear_data_offset(skb, ETH_ALEN, src, ETH_ALEN);
 
 	if (host_encrypt || host_build_iv)
 		fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA |
@@ -363,7 +364,7 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 		snapped = 1;
 		ieee80211_copy_snap(skb_put(skb_new, SNAP_SIZE + sizeof(u16)),
 				    ether_type);
-		memcpy(skb_put(skb_new, skb->len), skb->data, skb->len);
+		skb_copy_from_linear_data(skb, skb_put(skb_new, skb->len), skb->len);
 		res = crypt->ops->encrypt_msdu(skb_new, hdr_len, crypt->priv);
 		if (res < 0) {
 			IEEE80211_ERROR("msdu encryption failed\n");
@@ -492,7 +493,7 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 			bytes -= SNAP_SIZE + sizeof(u16);
 		}
 
-		memcpy(skb_put(skb_frag, bytes), skb->data, bytes);
+		skb_copy_from_linear_data(skb, skb_put(skb_frag, bytes), bytes);
 
 		/* Advance the SKB... */
 		skb_pull(skb, bytes);