Merge branch 'linux-2.6' into for-2.6.22

6 files changed, 47 insertions, 35 deletions

diff --git a/drivers/net/wireless/hostap/Kconfig b/drivers/net/wireless/hostap/Kconfig
index 308f773ad566..1fef33169fdd 100644
--- a/drivers/net/wireless/hostap/Kconfig
+++ b/drivers/net/wireless/hostap/Kconfig
@@ -1,6 +1,7 @@
 config HOSTAP
         tristate "IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)"
-        depends on NET_RADIO
+        depends on WLAN_80211
+        select WIRELESS_EXT
         select IEEE80211
         select IEEE80211_CRYPT_WEP
         ---help---
diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c
index 7e04dc94b3bc..cbedc9ee740a 100644
--- a/drivers/net/wireless/hostap/hostap_80211_rx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_rx.c
@@ -167,7 +167,7 @@ hdr->f.status = s; hdr->f.len = l; hdr->f.data = d
 
         ret = skb->len - phdrlen;
         skb->dev = dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, hdrlen);
         if (prism_header)
                 skb_pull(skb, phdrlen);
@@ -933,12 +933,14 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
                 if (frag == 0) {
                         /* copy first fragment (including full headers) into
                          * beginning of the fragment cache skb */
-                        memcpy(skb_put(frag_skb, flen), skb->data, flen);
+                        skb_copy_from_linear_data(skb, skb_put(frag_skb, flen),
+                                                  flen);
                 } else {
                         /* append frame payload to the end of the fragment
                          * cache skb */
-                        memcpy(skb_put(frag_skb, flen), skb->data + hdrlen,
-                               flen);
+                        skb_copy_from_linear_data_offset(skb, hdrlen,
+                                                         skb_put(frag_skb,
+                                                                 flen), flen);
                 }
                 dev_kfree_skb(skb);
                 skb = NULL;
@@ -1044,8 +1046,9 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
             skb->len >= ETH_HLEN + ETH_ALEN) {
                 /* Non-standard frame: get addr4 from its bogus location after
                  * the payload */
-                memcpy(skb->data + ETH_ALEN,
-                       skb->data + skb->len - ETH_ALEN, ETH_ALEN);
+                skb_copy_from_linear_data_offset(skb, skb->len - ETH_ALEN,
+                                                 skb->data + ETH_ALEN,
+                                                 ETH_ALEN);
                 skb_trim(skb, skb->len - ETH_ALEN);
         }
 
@@ -1073,17 +1076,17 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
 
         if (skb2 != NULL) {
                 /* send to wireless media */
-                skb2->protocol = __constant_htons(ETH_P_802_3);
-                skb2->mac.raw = skb2->nh.raw = skb2->data;
-                /* skb2->nh.raw = skb2->data + ETH_HLEN; */
                 skb2->dev = dev;
+                skb2->protocol = __constant_htons(ETH_P_802_3);
+                skb_reset_mac_header(skb2);
+                skb_reset_network_header(skb2);
+                /* skb2->network_header += ETH_HLEN; */
                 dev_queue_xmit(skb2);
         }
 
         if (skb) {
                 skb->protocol = eth_type_trans(skb, dev);
                 memset(skb->cb, 0, sizeof(skb->cb));
-                skb->dev = dev;
                 netif_rx(skb);
         }
 
diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c
index 4a5be70c0419..246fac0e8001 100644
--- a/drivers/net/wireless/hostap/hostap_80211_tx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_tx.c
@@ -146,7 +146,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS;
                         /* From&To DS: Addr1 = RA, Addr2 = TA, Addr3 = DA,
                          * Addr4 = SA */
-                        memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+                        skb_copy_from_linear_data_offset(skb, ETH_ALEN,
+                                                         &hdr.addr4, ETH_ALEN);
                         hdr_len += ETH_ALEN;
                 } else {
                         /* bogus 4-addr format to workaround Prism2 station
@@ -159,7 +160,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         /* SA from skb->data + ETH_ALEN will be added after
                          * frame payload; use hdr.addr4 as a temporary buffer
                          */
-                        memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+                        skb_copy_from_linear_data_offset(skb, ETH_ALEN,
+                                                         &hdr.addr4, ETH_ALEN);
                         need_tailroom += ETH_ALEN;
                 }
 
@@ -174,24 +176,27 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 else
                         memcpy(&hdr.addr1, local->bssid, ETH_ALEN);
                 memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
-                memcpy(&hdr.addr3, skb->data, ETH_ALEN);
+                skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
         } else if (local->iw_mode == IW_MODE_MASTER && !to_assoc_ap) {
                 fc |= IEEE80211_FCTL_FROMDS;
                 /* From DS: Addr1 = DA, Addr2 = BSSID, Addr3 = SA */
-                memcpy(&hdr.addr1, skb->data, ETH_ALEN);
+                skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
                 memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
-                memcpy(&hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN);
+                skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr3,
+                                                 ETH_ALEN);
         } else if (local->iw_mode == IW_MODE_INFRA || to_assoc_ap) {
                 fc |= IEEE80211_FCTL_TODS;
                 /* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */
                 memcpy(&hdr.addr1, to_assoc_ap ?
                        local->assoc_ap_addr : local->bssid, ETH_ALEN);
-                memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
-                memcpy(&hdr.addr3, skb->data, ETH_ALEN);
+                skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
+                                                 ETH_ALEN);
+                skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
         } else if (local->iw_mode == IW_MODE_ADHOC) {
                 /* not From/To DS: Addr1 = DA, Addr2 = SA, Addr3 = BSSID */
-                memcpy(&hdr.addr1, skb->data, ETH_ALEN);
-                memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
+                skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
+                skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
+                                                 ETH_ALEN);
                 memcpy(&hdr.addr3, local->bssid, ETH_ALEN);
         }
 
@@ -237,7 +242,7 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
         iface->stats.tx_packets++;
         iface->stats.tx_bytes += skb->len;
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         meta = (struct hostap_skb_tx_data *) skb->cb;
         memset(meta, 0, sizeof(*meta));
         meta->magic = HOSTAP_SKB_TX_DATA_MAGIC;
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index efb8cf3bd8ad..4ca8a27b8c55 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -982,7 +982,8 @@ static void prism2_send_mgmt(struct net_device *dev,
         meta->tx_cb_idx = tx_cb_idx;
 
         skb->dev = dev;
-        skb->mac.raw = skb->nh.raw = skb->data;
+        skb_reset_mac_header(skb);
+        skb_reset_network_header(skb);
         dev_queue_xmit(skb);
 }
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
@@ -1276,8 +1277,8 @@ static char * ap_auth_make_challenge(struct ap_data *ap)
                 return NULL;
         }
 
-        memcpy(tmpbuf, skb->data + ap->crypt->extra_mpdu_prefix_len,
-               WLAN_AUTH_CHALLENGE_LEN);
+        skb_copy_from_linear_data_offset(skb, ap->crypt->extra_mpdu_prefix_len,
+                                         tmpbuf, WLAN_AUTH_CHALLENGE_LEN);
         dev_kfree_skb(skb);
 
         return tmpbuf;
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 3079378fb8cd..fb01fb95a9f0 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -1838,13 +1838,14 @@ static int prism2_tx_80211(struct sk_buff *skb, struct net_device *dev)
 
         /* skb->data starts with txdesc->frame_control */
         hdr_len = 24;
-        memcpy(&txdesc.frame_control, skb->data, hdr_len);
+        skb_copy_from_linear_data(skb, &txdesc.frame_control, hdr_len);
         fc = le16_to_cpu(txdesc.frame_control);
         if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA &&
             (fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS) &&
             skb->len >= 30) {
                 /* Addr4 */
-                memcpy(txdesc.addr4, skb->data + hdr_len, ETH_ALEN);
+                skb_copy_from_linear_data_offset(skb, hdr_len, txdesc.addr4,
+                                                 ETH_ALEN);
                 hdr_len += ETH_ALEN;
         }
 
@@ -2217,7 +2218,7 @@ static void hostap_tx_callback(local_info_t *local,
                 memcpy(skb_put(skb, len), payload, len);
 
         skb->dev = local->dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
 
         cb->func(skb, ok, cb->data);
 }
diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c
index 9077e6edde34..1f9edd91565d 100644
--- a/drivers/net/wireless/hostap/hostap_main.c
+++ b/drivers/net/wireless/hostap/hostap_main.c
@@ -590,20 +590,20 @@ void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx)
 
 int hostap_80211_header_parse(struct sk_buff *skb, unsigned char *haddr)
 {
-        memcpy(haddr, skb->mac.raw + 10, ETH_ALEN); /* addr2 */
+        memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
         return ETH_ALEN;
 }
 
 
 int hostap_80211_prism_header_parse(struct sk_buff *skb, unsigned char *haddr)
 {
-        if (*(u32 *)skb->mac.raw == LWNG_CAP_DID_BASE) {
-                memcpy(haddr, skb->mac.raw +
-                       sizeof(struct linux_wlan_ng_prism_hdr) + 10,
+        const unsigned char *mac = skb_mac_header(skb);
+
+        if (*(u32 *)mac == LWNG_CAP_DID_BASE) {
+                memcpy(haddr, mac + sizeof(struct linux_wlan_ng_prism_hdr) + 10,
                        ETH_ALEN); /* addr2 */
-        } else { /* (*(u32 *)skb->mac.raw == htonl(LWNG_CAPHDR_VERSION)) */
-                memcpy(haddr, skb->mac.raw +
-                       sizeof(struct linux_wlan_ng_cap_hdr) + 10,
+        } else { /* (*(u32 *)mac == htonl(LWNG_CAPHDR_VERSION)) */
+                memcpy(haddr, mac + sizeof(struct linux_wlan_ng_cap_hdr) + 10,
                        ETH_ALEN); /* addr2 */
         }
         return ETH_ALEN;
@@ -1063,7 +1063,8 @@ int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype,
         meta->iface = netdev_priv(dev);
 
         skb->dev = dev;
-        skb->mac.raw = skb->nh.raw = skb->data;
+        skb_reset_mac_header(skb);
+        skb_reset_network_header(skb);
         dev_queue_xmit(skb);
 
         return 0;