[SK_BUFF]: Introduce skb_reset_mac_header(skb)

For the common, open coded 'skb->mac.raw = skb->data' operation, so that we can
later turn skb->mac.raw into a offset, reducing the size of struct sk_buff in
64bit land while possibly keeping it as a pointer on 32bit.

This one touches just the most simple case, next will handle the slightly more
"complex" cases.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

85 files changed, 119 insertions, 109 deletions

diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 04e31f86c10a..859303730b2f 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -55,7 +55,7 @@ static int uml_net_rx(struct net_device *dev)
 
         skb->dev = dev;
         skb_put(skb, dev->mtu);
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         pkt_len = (*lp->read)(lp->fd, &skb, lp);
 
         if (pkt_len > 0) {
diff --git a/arch/xtensa/platform-iss/network.c b/arch/xtensa/platform-iss/network.c
index 8ebfc8761229..ab05bff40104 100644
--- a/arch/xtensa/platform-iss/network.c
+++ b/arch/xtensa/platform-iss/network.c
@@ -386,7 +386,7 @@ static int iss_net_rx(struct net_device *dev)
         /* Setup skb */
 
         skb->dev = dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         pkt_len = lp->tp.read(lp, &skb);
         skb_put(skb, pkt_len);
 
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 4ab7b40e8c5a..74062dc4e90d 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -27,7 +27,8 @@ new_skb(ulong len)
 
         skb = alloc_skb(len, GFP_ATOMIC);
         if (skb) {
-                skb->nh.raw = skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
+                skb->nh.raw = skb->data;
                 skb->protocol = __constant_htons(ETH_P_AOE);
                 skb->priority = 0;
                 skb->next = skb->prev = NULL;
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index 03e44b337eb0..db2346f4d207 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -834,7 +834,7 @@ static inline u16 ether1394_type_trans(struct sk_buff *skb,
         struct eth1394hdr *eth;
         unsigned char *rawp;
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull (skb, ETH1394_HLEN);
         eth = eth1394_hdr(skb);
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 2b242a4823f8..c722e5c141b3 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -408,7 +408,7 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
         skb_put_frags(skb, IPOIB_CM_HEAD_SIZE, wc->byte_len, newskb);
 
         skb->protocol = ((struct ipoib_header *) skb->data)->proto;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, IPOIB_ENCAP_LEN);
 
         dev->last_rx = jiffies;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index ba0ee5cf2ad7..93f74567897e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -216,7 +216,7 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
         if (wc->slid != priv->local_lid ||
             wc->src_qp != priv->qp->qp_num) {
                 skb->protocol = ((struct ipoib_header *) skb->data)->proto;
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
                 skb_pull(skb, IPOIB_ENCAP_LEN);
 
                 dev->last_rx = jiffies;
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 838b3734e2b6..fadb9291bc1b 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1366,7 +1366,7 @@ isdn_net_type_trans(struct sk_buff *skb, struct net_device *dev)
         struct ethhdr *eth;
         unsigned char *rawp;
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, ETH_HLEN);
         eth = eth_hdr(skb);
 
@@ -1786,7 +1786,7 @@ isdn_net_receive(struct net_device *ndev, struct sk_buff *skb)
         }
         skb->dev = ndev;
         skb->pkt_type = PACKET_HOST;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
 #ifdef ISDN_DEBUG_NET_DUMP
         isdn_dumppkt("R:", skb->data, skb->len, 40);
 #endif
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 1b2df80c3bce..be915051cb2e 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -1167,7 +1167,7 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
                 mlp->huptimer = 0;
 #endif /* CONFIG_IPPP_FILTER */
         skb->dev = dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         netif_rx(skb);
         /* net_dev->local->stats.rx_packets++; done in isdn_net.c */
         return;
diff --git a/drivers/message/fusion/mptlan.c b/drivers/message/fusion/mptlan.c
index b691292ff599..d5b878d56280 100644
--- a/drivers/message/fusion/mptlan.c
+++ b/drivers/message/fusion/mptlan.c
@@ -753,7 +753,7 @@ mpt_lan_sdu_send (struct sk_buff *skb, struct net_device *dev)
         /* Set the mac.raw pointer, since this apparently isn't getting
          * done before we get the skb. Pull the data pointer past the mac data.
          */
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, 12);
 
         dma = pci_map_single(mpt_dev->pcidev, skb->data, skb->len,
@@ -1549,7 +1549,7 @@ mpt_lan_type_trans(struct sk_buff *skb, struct net_device *dev)
         struct mpt_lan_ohdr *fch = (struct mpt_lan_ohdr *)skb->data;
         struct fcllc *fcllc;
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, sizeof(struct mpt_lan_ohdr));
 
         if (fch->dtype == htons(0xffff)) {
diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c
index dba5e5165452..28cb79cee910 100644
--- a/drivers/net/appletalk/cops.c
+++ b/drivers/net/appletalk/cops.c
@@ -853,7 +853,7 @@ static void cops_rx(struct net_device *dev)
                 return;
         }
 
-        skb->mac.raw    = skb->data;    /* Point to entire packet. */
+        skb_reset_mac_header(skb);    /* Point to entire packet. */
         skb_pull(skb,3);
         skb->h.raw      = skb->data;    /* Point to data (Skip header). */
 
diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c
index 2ea44ce49810..12682439f8bd 100644
--- a/drivers/net/appletalk/ltpc.c
+++ b/drivers/net/appletalk/ltpc.c
@@ -770,7 +770,7 @@ static int sendup_buffer (struct net_device *dev)
         skb->data[0] = dnode;
         skb->data[1] = snode;
         skb->data[2] = llaptype;
-        skb->mac.raw = skb->data;       /* save pointer to llap header */
+        skb_reset_mac_header(skb);      /* save pointer to llap header */
         skb_pull(skb,3);
 
         /* copy ddp(s,e)hdr + contents */
diff --git a/drivers/net/arcnet/arc-rawmode.c b/drivers/net/arcnet/arc-rawmode.c
index 6318814a11a8..e0a18e7c73cb 100644
--- a/drivers/net/arcnet/arc-rawmode.c
+++ b/drivers/net/arcnet/arc-rawmode.c
@@ -110,7 +110,7 @@ static void rx(struct net_device *dev, int bufnum,
 
         pkt = (struct archdr *) skb->data;
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, ARC_HDR_SIZE);
 
         /* up to sizeof(pkt->soft) has already been copied from the card */
diff --git a/drivers/net/arcnet/capmode.c b/drivers/net/arcnet/capmode.c
index 66485585ab39..6c764b66e9cc 100644
--- a/drivers/net/arcnet/capmode.c
+++ b/drivers/net/arcnet/capmode.c
@@ -122,10 +122,8 @@ static void rx(struct net_device *dev, int bufnum,
         }
         skb_put(skb, length + ARC_HDR_SIZE + sizeof(int));
         skb->dev = dev;
-
-        pkt = (struct archdr *) skb->data;
-
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
+        pkt = (struct archdr *)skb->mac.raw;
         skb_pull(skb, ARC_HDR_SIZE);
 
         /* up to sizeof(pkt->soft) has already been copied from the card */
@@ -270,9 +268,8 @@ static int ack_tx(struct net_device *dev, int acked)
   skb_put(ackskb, length + ARC_HDR_SIZE );
   ackskb->dev = dev;
 
-  ackpkt = (struct archdr *) ackskb->data;
-
-  ackskb->mac.raw = ackskb->data;
+  skb_reset_mac_header(ackskb);
+  ackpkt = (struct archdr *)ackskb->mac.raw;
   /* skb_pull(ackskb, ARC_HDR_SIZE); */
 
 
diff --git a/drivers/net/arcnet/rfc1051.c b/drivers/net/arcnet/rfc1051.c
index 6d6c69f036ef..2de8877ece29 100644
--- a/drivers/net/arcnet/rfc1051.c
+++ b/drivers/net/arcnet/rfc1051.c
@@ -94,7 +94,7 @@ static unsigned short type_trans(struct sk_buff *skb, struct net_device *dev)
         int hdr_size = ARC_HDR_SIZE + RFC1051_HDR_SIZE;
 
         /* Pull off the arcnet header. */
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, hdr_size);
 
         if (pkt->hard.dest == 0)
diff --git a/drivers/net/arcnet/rfc1201.c b/drivers/net/arcnet/rfc1201.c
index bee34226abfa..460a095000c2 100644
--- a/drivers/net/arcnet/rfc1201.c
+++ b/drivers/net/arcnet/rfc1201.c
@@ -96,7 +96,7 @@ static unsigned short type_trans(struct sk_buff *skb, struct net_device *dev)
         int hdr_size = ARC_HDR_SIZE + RFC1201_HDR_SIZE;
 
         /* Pull off the arcnet header. */
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, hdr_size);
 
         if (pkt->hard.dest == 0)
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 3fb354d9c515..e3c9e2e56d14 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -884,7 +884,7 @@ static int ad_lacpdu_send(struct port *port)
         }
 
         skb->dev = slave->dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->nh.raw = skb->data + ETH_HLEN;
         skb->protocol = PKT_TYPE_LACPDU;
         skb->priority = TC_PRIO_CONTROL;
@@ -928,7 +928,7 @@ static int ad_marker_send(struct port *port, struct marker *marker)
         skb_reserve(skb, 16);
 
         skb->dev = slave->dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->nh.raw = skb->data + ETH_HLEN;
         skb->protocol = PKT_TYPE_LACPDU;
 
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 217a2eedee0a..916162ca0c98 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -890,7 +890,7 @@ static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[])
                 data = skb_put(skb, size);
                 memcpy(data, &pkt, size);
 
-                skb->mac.raw = data;
+                skb_reset_mac_header(skb);
                 skb->nh.raw = data + ETH_HLEN;
                 skb->protocol = pkt.type;
                 skb->priority = TC_PRIO_CONTROL;
@@ -1266,7 +1266,7 @@ int bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
         u8 *hash_start = NULL;
         int res = 1;
 
-        skb->mac.raw = (unsigned char *)skb->data;
+        skb_reset_mac_header(skb);
         eth_data = eth_hdr(skb);
 
         /* make sure that the curr_active_slave and the slaves list do
diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index 199e5066acf3..ebcf35e4cf5b 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -783,7 +783,7 @@ static int do_trace(struct t3cdev *dev, struct sk_buff *skb)
         skb->protocol = htons(0xffff);
         skb->dev = dev->lldev;
         skb_pull(skb, sizeof(*p));
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         netif_receive_skb(skb);
         return 0;
 }
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 8946f7aa97cd..b5cf2a60834d 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -1620,7 +1620,8 @@ static inline int rx_offload(struct t3cdev *tdev, struct sge_rspq *rq,
                              unsigned int gather_idx)
 {
         rq->offload_pkts++;
-        skb->mac.raw = skb->nh.raw = skb->h.raw = skb->data;
+        skb_reset_mac_header(skb);
+        skb->nh.raw = skb->h.raw = skb->data;
 
         if (rq->polling) {
                 rx_gather[gather_idx++] = skb;
diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c
index cebf8c374bc5..0f10758226fa 100644
--- a/drivers/net/irda/ali-ircc.c
+++ b/drivers/net/irda/ali-ircc.c
@@ -1932,7 +1932,7 @@ static int  ali_ircc_dma_receive_complete(struct ali_ircc_cb *self)
                         self->stats.rx_packets++;
 
                         skb->dev = self->netdev;
-                        skb->mac.raw  = skb->data;
+                        skb_reset_mac_header(skb);
                         skb->protocol = htons(ETH_P_IRDA);
                         netif_rx(skb);
                         self->netdev->last_rx = jiffies;
diff --git a/drivers/net/irda/au1k_ir.c b/drivers/net/irda/au1k_ir.c
index 37914dc5b90e..27afd0f367d6 100644
--- a/drivers/net/irda/au1k_ir.c
+++ b/drivers/net/irda/au1k_ir.c
@@ -606,7 +606,7 @@ static int au1k_irda_rx(struct net_device *dev)
                                 skb_put(skb, count-2);
                         memcpy(skb->data, (void *)pDB->vaddr, count-2);
                         skb->dev = dev;
-                        skb->mac.raw = skb->data;
+                        skb_reset_mac_header(skb);
                         skb->protocol = htons(ETH_P_IRDA);
                         netif_rx(skb);
                         prxd->count_0 = 0;
diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c
index 11af0ae7510e..ddfa6c38a16b 100644
--- a/drivers/net/irda/donauboe.c
+++ b/drivers/net/irda/donauboe.c
@@ -1286,7 +1286,7 @@ dumpbufs(self->rx_bufs[self->rxs],len,'<');
 
                       self->stats.rx_packets++;
                       skb->dev = self->netdev;
-                      skb->mac.raw = skb->data;
+                      skb_reset_mac_header(skb);
                       skb->protocol = htons (ETH_P_IRDA);
                     }
                   else
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 1d510bdc9b84..6ef375a095f4 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -921,7 +921,7 @@ static void irda_usb_receive(struct urb *urb)
 
         /* Ask the networking layer to queue the packet for the IrDA stack */
         dataskb->dev = self->netdev;
-        dataskb->mac.raw  = dataskb->data;
+        skb_reset_mac_header(dataskb);
         dataskb->protocol = htons(ETH_P_IRDA);
         len = dataskb->len;
         netif_rx(dataskb);
diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c
index f0c61f3b2a82..3ff1f4b33c06 100644
--- a/drivers/net/irda/mcs7780.c
+++ b/drivers/net/irda/mcs7780.c
@@ -428,7 +428,7 @@ static void mcs_unwrap_mir(struct mcs_cb *mcs, __u8 *buf, int len)
         skb_reserve(skb, 1);
         memcpy(skb->data, buf, new_len);
         skb_put(skb, new_len);
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->protocol = htons(ETH_P_IRDA);
         skb->dev = mcs->netdev;
 
@@ -481,7 +481,7 @@ static void mcs_unwrap_fir(struct mcs_cb *mcs, __u8 *buf, int len)
         skb_reserve(skb, 1);
         memcpy(skb->data, buf, new_len);
         skb_put(skb, new_len);
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->protocol = htons(ETH_P_IRDA);
         skb->dev = mcs->netdev;
 
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index 29b5ccd29d0b..8ce7dad582f4 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -1881,7 +1881,7 @@ static int nsc_ircc_dma_receive_complete(struct nsc_ircc_cb *self, int iobase)
                         self->stats.rx_packets++;
 
                         skb->dev = self->netdev;
-                        skb->mac.raw  = skb->data;
+                        skb_reset_mac_header(skb);
                         skb->protocol = htons(ETH_P_IRDA);
                         netif_rx(skb);
                         self->netdev->last_rx = jiffies;
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
index 2272156af31e..f35d7d42624e 100644
--- a/drivers/net/irda/pxaficp_ir.c
+++ b/drivers/net/irda/pxaficp_ir.c
@@ -391,7 +391,7 @@ static void pxa_irda_fir_irq_eif(struct pxa_irda *si, struct net_device *dev, in
 
                 /* Feed it to IrLAP  */
                 skb->dev = dev;
-                skb->mac.raw  = skb->data;
+                skb_reset_mac_header(skb);
                 skb->protocol = htons(ETH_P_IRDA);
                 netif_rx(skb);
 
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index 937372d00398..056639f72bec 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -504,7 +504,7 @@ static void sa1100_irda_fir_error(struct sa1100_irda *si, struct net_device *dev
 
                 skb_put(skb, len);
                 skb->dev = dev;
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
                 skb->protocol = htons(ETH_P_IRDA);
                 si->stats.rx_packets++;
                 si->stats.rx_bytes += len;
diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c
index 31c623381ea8..103a2d18ed2f 100644
--- a/drivers/net/irda/smsc-ircc2.c
+++ b/drivers/net/irda/smsc-ircc2.c
@@ -1412,7 +1412,7 @@ static void smsc_ircc_dma_receive_complete(struct smsc_ircc_cb *self)
         self->stats.rx_bytes += len;
 
         skb->dev = self->netdev;
-        skb->mac.raw  = skb->data;
+        skb_reset_mac_header(skb);
         skb->protocol = htons(ETH_P_IRDA);
         netif_rx(skb);
 }
diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c
index 20d306fea4cb..a22175f4ea81 100644
--- a/drivers/net/irda/stir4200.c
+++ b/drivers/net/irda/stir4200.c
@@ -364,7 +364,7 @@ static void fir_eof(struct stir_cb *stir)
 
         skb_put(skb, len);
 
-        skb->mac.raw  = skb->data;
+        skb_reset_mac_header(skb);
         skb->protocol = htons(ETH_P_IRDA);
         skb->dev = stir->netdev;
 
diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c
index c3ed9b3067e5..5ff416314604 100644
--- a/drivers/net/irda/via-ircc.c
+++ b/drivers/net/irda/via-ircc.c
@@ -1125,7 +1125,7 @@ static int via_ircc_dma_receive_complete(struct via_ircc_cb *self,
                 self->stats.rx_bytes += len;
                 self->stats.rx_packets++;
                 skb->dev = self->netdev;
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
                 skb->protocol = htons(ETH_P_IRDA);
                 netif_rx(skb);
                 return TRUE;
@@ -1198,7 +1198,7 @@ F01_E */
                 self->stats.rx_bytes += len;
                 self->stats.rx_packets++;
                 skb->dev = self->netdev;
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
                 skb->protocol = htons(ETH_P_IRDA);
                 netif_rx(skb);
 
@@ -1244,7 +1244,7 @@ static int upload_rxdata(struct via_ircc_cb *self, int iobase)
         self->stats.rx_bytes += len;
         self->stats.rx_packets++;
         skb->dev = self->netdev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->protocol = htons(ETH_P_IRDA);
         netif_rx(skb);
         if (st_fifo->len < (MAX_RX_WINDOW + 2)) {
@@ -1313,7 +1313,7 @@ static int RxTimerHandler(struct via_ircc_cb *self, int iobase)
                         self->stats.rx_bytes += len;
                         self->stats.rx_packets++;
                         skb->dev = self->netdev;
-                        skb->mac.raw = skb->data;
+                        skb_reset_mac_header(skb);
                         skb->protocol = htons(ETH_P_IRDA);
                         netif_rx(skb);
                 }               //while
diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c
index 3457e9d8b667..79b407f3a49a 100644
--- a/drivers/net/irda/vlsi_ir.c
+++ b/drivers/net/irda/vlsi_ir.c
@@ -595,7 +595,7 @@ static int vlsi_process_rx(struct vlsi_ring *r, struct ring_descr *rd)
         rd->skb = NULL;
         skb->dev = ndev;
         memcpy(skb_put(skb,len), rd->buf, len);
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         if (in_interrupt())
                 netif_rx(skb);
         else
diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c
index 4212657fa4f9..bee445130952 100644
--- a/drivers/net/irda/w83977af_ir.c
+++ b/drivers/net/irda/w83977af_ir.c
@@ -919,7 +919,7 @@ int w83977af_dma_receive_complete(struct w83977af_ir *self)
                         self->stats.rx_packets++;
                         
                         skb->dev = self->netdev;
-                        skb->mac.raw  = skb->data;
+                        skb_reset_mac_header(skb);
                         skb->protocol = htons(ETH_P_IRDA);
                         netif_rx(skb);
                         self->netdev->last_rx = jiffies;
diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c
index ee26ef52289f..de092658db6c 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -368,7 +368,7 @@ static __be16 myri_type_trans(struct sk_buff *skb, struct net_device *dev)
         struct ethhdr *eth;
         unsigned char *rawp;
 
-        skb->mac.raw = (((unsigned char *)skb->data) + MYRI_PAD_LEN);
+        skb->mac.raw = skb->data + MYRI_PAD_LEN;
         skb_pull(skb, dev->hard_header_len);
         eth = eth_hdr(skb);
 
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index ef58e4128782..18f1790aab9a 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1685,7 +1685,7 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
                         skb_pull_rcsum(skb, 2);
                         skb->dev = ppp->dev;
                         skb->protocol = htons(npindex_to_ethertype[npi]);
-                        skb->mac.raw = skb->data;
+                        skb_reset_mac_header(skb);
                         netif_rx(skb);
                         ppp->dev->last_rx = jiffies;
                 }
diff --git a/drivers/net/sb1000.c b/drivers/net/sb1000.c
index b9fa4fbb1398..1de3eec1a792 100644
--- a/drivers/net/sb1000.c
+++ b/drivers/net/sb1000.c
@@ -834,7 +834,7 @@ printk("cm0: IP identification: %02x%02x  fragment offset: %02x%02x\n", buffer[3
                         goto dropped_frame;
                 }
                 skb->dev = dev;
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
                 skb->protocol = (unsigned short) buffer[NewDatagramHeaderSkip + 16];
                 insw(ioaddr, skb_put(skb, NewDatagramDataSize),
                         NewDatagramDataSize / 2);
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index a57aa010cb25..288d8559f8c5 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -256,7 +256,7 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun, struct iovec *iv,
 
         switch (tun->flags & TUN_TYPE_MASK) {
         case TUN_TUN_DEV:
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
                 skb->protocol = pi.proto;
                 skb->dev = tun->dev;
                 break;
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 5b82e4fd0d73..c198511ec3f5 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -773,7 +773,7 @@ static int sppp_rx_done(struct channel_data *chan)
         }
         chan->rx_skb->protocol = htons(ETH_P_WAN_PPP);
         chan->rx_skb->dev = chan->pppdev.dev;
-        chan->rx_skb->mac.raw = chan->rx_skb->data;
+        skb_reset_mac_header(chan->rx_skb)
         chan->stats.rx_packets++;
         chan->stats.rx_bytes += chan->cosa->rxsize;
         netif_rx(chan->rx_skb);
diff --git a/drivers/net/wan/cycx_x25.c b/drivers/net/wan/cycx_x25.c
index a631d1c2fa14..016b3ff3ea5e 100644
--- a/drivers/net/wan/cycx_x25.c
+++ b/drivers/net/wan/cycx_x25.c
@@ -834,7 +834,7 @@ static void cycx_x25_irq_rx(struct cycx_device *card, struct cycx_x25_cmd *cmd)
         ++chan->ifstats.rx_packets;
         chan->ifstats.rx_bytes += pktlen;
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         netif_rx(skb);
         dev->last_rx = jiffies;         /* timestamp */
 }
diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
index 736987559432..66be20c292b6 100644
--- a/drivers/net/wan/dlci.c
+++ b/drivers/net/wan/dlci.c
@@ -176,7 +176,7 @@ static void dlci_receive(struct sk_buff *skb, struct net_device *dev)
         if (process)
         {
                 /* we've set up the protocol, so discard the header */
-                skb->mac.raw = skb->data; 
+                skb_reset_mac_header(skb);
                 skb_pull(skb, header);
                 dlp->stats.rx_bytes += skb->len;
                 netif_rx(skb);
diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c
index c45d6a83339d..58a53b6d9b42 100644
--- a/drivers/net/wan/farsync.c
+++ b/drivers/net/wan/farsync.c
@@ -864,7 +864,7 @@ fst_tx_dma_complete(struct fst_card_info *card, struct fst_port_info *port,
 static __be16 farsync_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
         skb->dev = dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->pkt_type = PACKET_HOST;
         return htons(ETH_P_CUST);
 }
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 2b54f1bc3a0d..6d288839ddaa 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -1667,7 +1667,7 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
             skb_put (skb, len);
             skb->protocol = lmc_proto_type(sc, skb);
             skb->protocol = htons(ETH_P_WAN_PPP);
-            skb->mac.raw = skb->data;
+            skb_reset_mac_header(skb);
 //            skb->nh.raw = skb->data;
             skb->dev = dev;
             lmc_proto_netif(sc, skb);
@@ -1705,7 +1705,7 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
             memcpy(skb_put(nsb, len), skb->data, len);
             
             nsb->protocol = lmc_proto_type(sc, skb);
-            nsb->mac.raw = nsb->data;
+            skb_reset_mac_header(nsb);
 //            nsb->nh.raw = nsb->data;
             nsb->dev = dev;
             lmc_proto_netif(sc, nsb);
diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c
index 62184dee377c..edbc55528be5 100644
--- a/drivers/net/wan/pc300_drv.c
+++ b/drivers/net/wan/pc300_drv.c
@@ -1755,7 +1755,7 @@ cpc_trace(struct net_device *dev, struct sk_buff *skb_main, char rx_tx)
 
         skb->dev = dev;
         skb->protocol = htons(ETH_P_CUST);
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->pkt_type = PACKET_HOST;
         skb->len = 10 + skb_main->len;
 
diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c
index 5873c346e7e9..de02a07259cf 100644
--- a/drivers/net/wan/pc300_tty.c
+++ b/drivers/net/wan/pc300_tty.c
@@ -1003,7 +1003,7 @@ static void cpc_tty_trace(pc300dev_t *dev, char* buf, int len, char rxtx)
         skb_put (skb, 10 + len); 
         skb->dev = dev->dev; 
         skb->protocol = htons(ETH_P_CUST); 
-        skb->mac.raw = skb->data; 
+        skb_reset_mac_header(skb);
         skb->pkt_type = PACKET_HOST; 
         skb->len = 10 + len; 
 
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index e50b1482d792..692a23f9834d 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -3411,7 +3411,7 @@ badrx:
                         OUT4500( apriv, EVACK, EV_RX);
 
                         if (test_bit(FLAG_802_11, &apriv->flags)) {
-                                skb->mac.raw = skb->data;
+                                skb_reset_mac_header(skb);
                                 skb->pkt_type = PACKET_OTHERHOST;
                                 skb->dev = apriv->wifidev;
                                 skb->protocol = htons(ETH_P_802_2);
@@ -3746,7 +3746,7 @@ void mpi_receive_802_11 (struct airo_info *ai)
                 wireless_spy_update(ai->dev, sa, &wstats);
         }
 #endif /* IW_WIRELESS_SPY */
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->pkt_type = PACKET_OTHERHOST;
         skb->dev = ai->wifidev;
         skb->protocol = htons(ETH_P_802_2);
diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c
index f78ee26d787a..e4082f9d766b 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);
@@ -1073,10 +1073,11 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
 
         if (skb2 != NULL) {
                 /* send to wireless media */
+                skb2->dev = dev;
                 skb2->protocol = __constant_htons(ETH_P_802_3);
-                skb2->mac.raw = skb2->nh.raw = skb2->data;
+                skb_reset_mac_header(skb2);
+                skb2->nh.raw = skb2->data;
                 /* skb2->nh.raw = skb2->data + ETH_HLEN; */
-                skb2->dev = dev;
                 dev_queue_xmit(skb2);
         }
 
diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c
index 4a5be70c0419..159baef18e4a 100644
--- a/drivers/net/wireless/hostap/hostap_80211_tx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_tx.c
@@ -237,7 +237,7 @@ 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..cc18f9686d27 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->nh.raw = skb->data;
         dev_queue_xmit(skb);
 }
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 3079378fb8cd..9003ff7d151a 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -2217,7 +2217,7 @@ 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..0e29ff762879 100644
--- a/drivers/net/wireless/hostap/hostap_main.c
+++ b/drivers/net/wireless/hostap/hostap_main.c
@@ -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->nh.raw = skb->data;
         dev_queue_xmit(skb);
 
         return 0;
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index c878a2f3239c..b04c56a25cc5 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -8133,7 +8133,7 @@ static void ipw_handle_mgmt_packet(struct ipw_priv *priv,
                 skb->dev = priv->ieee->dev;
 
                 /* Point raw at the ieee80211_stats */
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
 
                 skb->pkt_type = PACKET_OTHERHOST;
                 skb->protocol = __constant_htons(ETH_P_80211_STATS);
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 3f9d78d059b5..f1415bff527f 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -770,7 +770,7 @@ static void orinoco_rx_monitor(struct net_device *dev, u16 rxfid,
 
         /* Copy the 802.11 header to the skb */
         memcpy(skb_put(skb, hdrlen), &(desc->frame_ctl), hdrlen);
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
 
         /* If any, copy the data from the card to the skb */
         if (datalen > 0) {
diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c
index fc2e0f3a896e..6ebfff034242 100644
--- a/drivers/net/wireless/prism54/islpci_eth.c
+++ b/drivers/net/wireless/prism54/islpci_eth.c
@@ -303,7 +303,7 @@ islpci_monitor_rx(islpci_private *priv, struct sk_buff **skb)
                 skb_pull(*skb, sizeof (struct rfmon_header));
 
         (*skb)->protocol = htons(ETH_P_802_2);
-        (*skb)->mac.raw = (*skb)->data;
+        skb_reset_mac_header(*skb);
         (*skb)->pkt_type = PACKET_OTHERHOST;
 
         return 0;
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index f5ce1c6063d8..2a299a0676a6 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -2009,7 +2009,7 @@ static void deliver_packet(struct strip *strip_info, STRIP_Header * header,
                        packetlen);
                 skb->dev = get_strip_dev(strip_info);
                 skb->protocol = header->protocol;
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
 
                 /* Having put a fake header on the front of the sk_buff for the */
                 /* benefit of tools like tcpdump, skb_pull now 'consumes' that  */
diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
index 0d6d5fcc128b..787c01317042 100644
--- a/drivers/s390/net/ctcmain.c
+++ b/drivers/s390/net/ctcmain.c
@@ -455,7 +455,7 @@ ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
                         return;
                 }
                 skb_put(pskb, header->length);
-                pskb->mac.raw = pskb->data;
+                skb_reset_mac_header(pskb);
                 len -= header->length;
                 skb = dev_alloc_skb(pskb->len);
                 if (!skb) {
@@ -473,7 +473,7 @@ ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
                         return;
                 }
                 memcpy(skb_put(skb, pskb->len), pskb->data, pskb->len);
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
                 skb->dev = pskb->dev;
                 skb->protocol = pskb->protocol;
                 pskb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 594320ca1b7c..82edf2014402 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -635,7 +635,7 @@ static void netiucv_unpack_skb(struct iucv_connection *conn,
                         return;
                 }
                 skb_put(pskb, header->next);
-                pskb->mac.raw = pskb->data;
+                skb_reset_mac_header(pskb);
                 skb = dev_alloc_skb(pskb->len);
                 if (!skb) {
                         PRINT_WARN("%s Out of memory in netiucv_unpack_skb\n",
@@ -646,7 +646,7 @@ static void netiucv_unpack_skb(struct iucv_connection *conn,
                         return;
                 }
                 memcpy(skb_put(skb, pskb->len), pskb->data, pskb->len);
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
                 skb->dev = pskb->dev;
                 skb->protocol = pskb->protocol;
                 pskb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c
index 7c735e1fe063..910a8ab66b05 100644
--- a/drivers/s390/net/qeth_eddp.c
+++ b/drivers/s390/net/qeth_eddp.c
@@ -486,7 +486,7 @@ qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
                 return -ENOMEM;
         }
         if (qhdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) {
-                skb->mac.raw = (skb->data) + sizeof(struct qeth_hdr);
+                skb->mac.raw = skb->data + sizeof(struct qeth_hdr);
                 memcpy(&eddp->mac, eth_hdr(skb), ETH_HLEN);
 #ifdef CONFIG_QETH_VLAN
                 if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) {
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index d502b77adf6b..28822025b791 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -2278,7 +2278,7 @@ qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
             (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
                 return tr_type_trans(skb,dev);
 #endif /* CONFIG_TR */
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, ETH_HLEN );
         eth = eth_hdr(skb);
 
@@ -2461,7 +2461,7 @@ qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
         if (card->options.fake_ll)
                 qeth_rebuild_skb_fake_ll(card, skb, hdr);
         else
-                skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
         skb->ip_summed = card->options.checksum_type;
         if (card->options.checksum_type == HW_CHECKSUMMING){
                 if ( (hdr->hdr.l3.ext_flags &
diff --git a/include/linux/hdlc.h b/include/linux/hdlc.h
index d4b333938f73..0fe562af9c8c 100644
--- a/include/linux/hdlc.h
+++ b/include/linux/hdlc.h
@@ -132,8 +132,8 @@ static __inline__ __be16 hdlc_type_trans(struct sk_buff *skb,
 {
         hdlc_device *hdlc = dev_to_hdlc(dev);
 
-        skb->mac.raw  = skb->data;
-        skb->dev      = dev;
+        skb->dev = dev;
+        skb_reset_mac_header(skb);
 
         if (hdlc->proto->type_trans)
                 return hdlc->proto->type_trans(skb, dev);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index df229bd5f1a9..748f254b50cc 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -960,6 +960,11 @@ static inline void skb_reserve(struct sk_buff *skb, int len)
         skb->tail += len;
 }
 
+static inline void skb_reset_mac_header(struct sk_buff *skb)
+{
+        skb->mac.raw = skb->data;
+}
+
 /*
  * CPUs often take a performance hit when accessing unaligned memory
  * locations. The actual performance hit varies, it can be small if the
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 47ff2f46e908..99a4e364c74a 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -263,8 +263,8 @@ static __inline__ void ax25_cb_put(ax25_cb *ax25)
 static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
         skb->dev      = dev;
+        skb_reset_mac_header(skb);
         skb->pkt_type = PACKET_HOST;
-        skb->mac.raw  = skb->data;
         return htons(ETH_P_AX25);
 }
 
diff --git a/include/net/x25device.h b/include/net/x25device.h
index 1d10c879f7e2..1415bcf93980 100644
--- a/include/net/x25device.h
+++ b/include/net/x25device.h
@@ -7,8 +7,8 @@
 
 static inline __be16 x25_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
-        skb->mac.raw = skb->data;
         skb->dev = dev;
+        skb_reset_mac_header(skb);
         skb->pkt_type = PACKET_HOST;
         
         return htons(ETH_P_X25);
diff --git a/net/802/fddi.c b/net/802/fddi.c
index f8a0c9f6fec9..91dde41b5481 100644
--- a/net/802/fddi.c
+++ b/net/802/fddi.c
@@ -131,7 +131,7 @@ __be16 fddi_type_trans(struct sk_buff *skb, struct net_device *dev)
          */
 
         skb->dev = dev;
-        skb->mac.raw = skb->data;       /* point to frame control (FC) */
+        skb_reset_mac_header(skb);      /* point to frame control (FC) */
 
         if(fddi->hdr.llc_8022_1.dsap==0xe0)
         {
diff --git a/net/802/hippi.c b/net/802/hippi.c
index 138302c14ee6..d87190038edb 100644
--- a/net/802/hippi.c
+++ b/net/802/hippi.c
@@ -131,7 +131,7 @@ __be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev)
          * set the raw address here.
          */
         skb->dev = dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         hip = (struct hippi_hdr *)skb->mac.raw;
         skb_pull(skb, HIPPI_HLEN);
 
diff --git a/net/802/tr.c b/net/802/tr.c
index 987d91559bcc..eb2de0d16208 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -194,7 +194,7 @@ __be16 tr_type_trans(struct sk_buff *skb, struct net_device *dev)
         unsigned riflen=0;
 
         skb->dev = dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         trh = tr_hdr(skb);
 
         if(trh->saddr[0] & TR_RII)
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index c444f5eda22d..900d42ca8a50 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -458,7 +458,7 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
         /* FIXME: tcpdump shows that pointer to mac header is 2 bytes earlier,
            than should be. What else should I set? */
         skb_pull(skb, plen);
-        skb->mac.raw = ((char *) (skb->data)) - ETH_HLEN;
+        skb->mac.raw = skb->data - ETH_HLEN;
         skb->pkt_type = PACKET_HOST;
 #ifdef CONFIG_BR2684_FAST_TRANS
         skb->protocol = ((u16 *) skb->data)[-1];
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 8c3825816085..ccba24ffb966 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -213,7 +213,7 @@ static void clip_push(struct atm_vcc *vcc, struct sk_buff *skb)
                 return;
         }
         ATM_SKB(skb)->vcc = vcc;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         if (!clip_vcc->encap
             || skb->len < RFC1483LLC_LEN
             || memcmp(skb->data, llc_oui, sizeof (llc_oui)))
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 4a6b26becadc..6d11b0633d5a 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -122,7 +122,7 @@ int ax25_rx_iframe(ax25_cb *ax25, struct sk_buff *skb)
                 }
 
                 skb_pull(skb, 1);       /* Remove PID */
-                skb->mac.raw  = skb->nh.raw;
+                skb_reset_mac_header(skb);
                 skb->nh.raw   = skb->data;
                 skb->dev      = ax25->ax25_dev->dev;
                 skb->pkt_type = PACKET_HOST;
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index f7ade186bf93..b1c2fa96c69e 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -326,7 +326,7 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
                 return 0;
         }
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
 
         /* Verify and pull out header */
         if (!skb_pull(skb, __bnep_rx_hlen[type & BNEP_TYPE_MASK]))
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 905a39c33a16..b22ada529cc3 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -37,7 +37,7 @@ int br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
         br->statistics.tx_packets++;
         br->statistics.tx_bytes += skb->len;
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, ETH_HLEN);
 
         if (dest[0] & 1)
diff --git a/net/core/dev.c b/net/core/dev.c
index 424d6d0e98f8..2fcaf5bc4a9c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1066,7 +1066,7 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
                            set by sender, so that the second statement is
                            just protection against buggy protocols.
                          */
-                        skb2->mac.raw = skb2->data;
+                        skb_reset_mac_header(skb2);
 
                         if (skb2->nh.raw < skb2->data ||
                             skb2->nh.raw > skb2->tail) {
@@ -1206,7 +1206,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
 
         BUG_ON(skb_shinfo(skb)->frag_list);
 
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->mac_len = skb->nh.raw - skb->data;
         __skb_pull(skb, skb->mac_len);
 
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 32a9f80b5f19..0ad3896bbf62 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -324,7 +324,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
         iph->check    = ip_fast_csum((unsigned char *)iph, iph->ihl);
 
         eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb->protocol = eth->h_proto = htons(ETH_P_IP);
         memcpy(eth->h_source, np->local_mac, 6);
         memcpy(eth->h_dest, np->remote_mac, 6);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 336958fbbcb2..8f6ebd0d3693 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1928,7 +1928,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                 nskb->mac_len = skb->mac_len;
 
                 skb_reserve(nskb, headroom);
-                nskb->mac.raw = nskb->data;
+                skb_reset_mac_header(nskb);
                 nskb->nh.raw = nskb->data + skb->mac_len;
                 nskb->h.raw = nskb->nh.raw + (skb->h.raw - skb->nh.raw);
                 memcpy(skb_put(nskb, doffset), skb->data, doffset);
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index c1b5502f195b..ef94ca56d7bd 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1537,7 +1537,7 @@ int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void *arg)
         skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
         if (skb == NULL)
                 return -ENOBUFS;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         cb = DN_SKB_CB(skb);
 
         if (rta[RTA_SRC-1])
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 01ecbe42b1e7..0ac2524f3b68 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -157,7 +157,7 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev)
         unsigned char *rawp;
 
         skb->dev = dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, ETH_HLEN);
         eth = eth_hdr(skb);
 
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index d5f5c6616689..f39bf7c41012 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -42,7 +42,7 @@ static void ieee80211_monitor_rx(struct ieee80211_device *ieee,
         u16 fc = le16_to_cpu(hdr->frame_ctl);
 
         skb->dev = ieee->dev;
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_pull(skb, ieee80211_get_hdrlen(fc));
         skb->pkt_type = PACKET_OTHERHOST;
         skb->protocol = __constant_htons(ETH_P_80211_RAW);
@@ -789,10 +789,11 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 
         if (skb2 != NULL) {
                 /* send to wireless media */
+                skb2->dev = dev;
                 skb2->protocol = __constant_htons(ETH_P_802_3);
-                skb2->mac.raw = skb2->nh.raw = skb2->data;
+                skb_reset_mac_header(skb2);
+                skb2->nh.raw = skb2->data;
                 /* skb2->nh.raw = skb2->data + ETH_HLEN; */
-                skb2->dev = dev;
                 dev_queue_xmit(skb2);
         }
 #endif
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 9151da642318..88f8aae873f4 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -616,7 +616,7 @@ static int ipgre_rcv(struct sk_buff *skb)
                                 offset += 4;
                 }
 
-                skb->mac.raw = skb->nh.raw;
+                skb_reset_mac_header(skb);
                 skb->nh.raw = __pskb_pull(skb, offset);
                 skb_postpull_rcsum(skb, skb->h.raw, offset);
                 skb->pkt_type = PACKET_HOST;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 5db301b33372..ddba857bd243 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -95,7 +95,7 @@ __inline__ void ip_send_check(struct iphdr *iph)
 /* dev_loopback_xmit for use with netfilter. */
 static int ip_dev_loopback_xmit(struct sk_buff *newskb)
 {
-        newskb->mac.raw = newskb->data;
+        skb_reset_mac_header(newskb);
         __skb_pull(newskb, newskb->nh.raw - newskb->data);
         newskb->pkt_type = PACKET_LOOPBACK;
         newskb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0b3d7bf40f4e..29ee7be45aa6 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2747,7 +2747,8 @@ int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
         /* Reserve room for dummy headers, this skb can pass
            through good chunk of routing engine.
          */
-        skb->mac.raw = skb->nh.raw = skb->data;
+        skb_reset_mac_header(skb);
+        skb->nh.raw = skb->data;
 
         /* Bugfix: need to give ip_route_input enough of an IP header to not gag. */
         skb->nh.iph->protocol = IPPROTO_ICMP;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 7e25043d826c..a5f4562b5d29 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -88,7 +88,7 @@ static inline int ip6_output_finish(struct sk_buff *skb)
 /* dev_loopback_xmit for use with netfilter. */
 static int ip6_dev_loopback_xmit(struct sk_buff *newskb)
 {
-        newskb->mac.raw = newskb->data;
+        skb_reset_mac_header(newskb);
         __skb_pull(newskb, newskb->nh.raw - newskb->data);
         newskb->pkt_type = PACKET_LOOPBACK;
         newskb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index cc08cc48e9e9..0aa4762f53f7 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2218,7 +2218,7 @@ int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
         /* Reserve room for dummy headers, this skb can pass
            through good chunk of routing engine.
          */
-        skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
         skb_reserve(skb, MAX_HEADER + sizeof(struct ipv6hdr));
 
         rt = (struct rt6_info*) ip6_route_output(NULL, &fl);
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 0b04603e9c47..1b7e2490e2e1 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -93,7 +93,8 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb)
 {
         /* Some common init stuff */
         skb->dev = self->netdev;
-        skb->h.raw = skb->nh.raw = skb->mac.raw = skb->data;
+        skb_reset_mac_header(skb);
+        skb->h.raw = skb->nh.raw = skb->data;
         skb->protocol = htons(ETH_P_IRDA);
         skb->priority = TC_PRIO_BESTEFFORT;
 
diff --git a/net/irda/wrapper.c b/net/irda/wrapper.c
index 5abfb71aae8d..2acc66dfb558 100644
--- a/net/irda/wrapper.c
+++ b/net/irda/wrapper.c
@@ -256,7 +256,7 @@ async_bump(struct net_device *dev,
 
         /* Feed it to IrLAP layer */
         dataskb->dev = dev;
-        dataskb->mac.raw  = dataskb->data;
+        skb_reset_mac_header(dataskb);
         dataskb->protocol = htons(ETH_P_IRDA);
 
         netif_rx(dataskb);
diff --git a/net/llc/llc_output.c b/net/llc/llc_output.c
index f4291f349e92..729e25108275 100644
--- a/net/llc/llc_output.c
+++ b/net/llc/llc_output.c
@@ -52,7 +52,7 @@ int llc_mac_hdr_init(struct sk_buff *skb,
                 if (da) {
                         memcpy(trh->daddr, da, dev->addr_len);
                         tr_source_route(skb, trh, dev);
-                        skb->mac.raw = skb->data;
+                        skb_reset_mac_header(skb);
                 }
                 break;
         }
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 9a97ed6e6910..17c3f1ef83e9 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -56,7 +56,7 @@ int nr_rx_ip(struct sk_buff *skb, struct net_device *dev)
 
         /* Spoof incoming device */
         skb->dev      = dev;
-        skb->mac.raw  = skb->nh.raw;
+        skb_reset_mac_header(skb);
         skb->nh.raw   = skb->data;
         skb->pkt_type = PACKET_HOST;
 
diff --git a/net/wanrouter/wanmain.c b/net/wanrouter/wanmain.c
index 5d2d93dc0837..c49e223084f1 100644
--- a/net/wanrouter/wanmain.c
+++ b/net/wanrouter/wanmain.c
@@ -339,7 +339,7 @@ __be16 wanrouter_type_trans(struct sk_buff *skb, struct net_device *dev)
         skb->protocol = ethertype;
         skb->pkt_type = PACKET_HOST;    /*      Physically point to point */
         skb_pull(skb, cnt);
-        skb->mac.raw  = skb->data;
+        skb_reset_mac_header(skb);
         return ethertype;
 }