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Commit bbe735e4 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller
Browse files

[SK_BUFF]: Introduce skb_network_offset() 



For the quite common 'skb->nh.raw - skb->data' sequence.

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e7dd65da

drivers/isdn/i4l/isdn_net.c

+1 −1
Original line number Diff line number Diff line
@@ -1121,7 +1121,7 @@ isdn_net_adjust_hdr(struct sk_buff *skb, struct net_device *dev) 
	if (!skb)

		return;

	if (lp->p_encap == ISDN_NET_ENCAP_ETHER) {

		int pullsize = (ulong)skb->nh.raw - (ulong)skb->data - ETH_HLEN;

		const int pullsize = skb_network_offset(skb) - ETH_HLEN;

		if (pullsize > 0) {

			printk(KERN_DEBUG "isdn_net: Pull junk %d\n", pullsize);

			skb_pull(skb, pullsize);

drivers/net/atl1/atl1_main.c

+1 −1
Original line number Diff line number Diff line
@@ -1300,7 +1300,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, 
			    ~csum_tcpudp_magic(skb->nh.iph->saddr,

					       skb->nh.iph->daddr, 0,

					       IPPROTO_TCP, 0);

			ipofst = skb->nh.raw - skb->data;

			ipofst = skb_network_offset(skb);

			if (ipofst != ENET_HEADER_SIZE) /* 802.3 frame */

				tso->tsopl |= 1 << TSO_PARAM_ETHTYPE_SHIFT;

drivers/net/chelsio/sge.c

+1 −1
Original line number Diff line number Diff line
@@ -1865,7 +1865,7 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) 


		++st->tx_tso;



		eth_type = skb->nh.raw - skb->data == ETH_HLEN ?

		eth_type = skb_network_offset(skb) == ETH_HLEN ?

			CPL_ETH_II : CPL_ETH_II_VLAN;



		hdr = (struct cpl_tx_pkt_lso *)skb_push(skb, sizeof(*hdr));

drivers/net/cxgb3/sge.c

+1 −1
Original line number Diff line number Diff line
@@ -897,7 +897,7 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb, 
		d->flit[2] = 0;

		cntrl |= V_TXPKT_OPCODE(CPL_TX_PKT_LSO);

		hdr->cntrl = htonl(cntrl);

		eth_type = skb->nh.raw - skb->data == ETH_HLEN ?

		eth_type = skb_network_offset(skb) == ETH_HLEN ?

		    CPL_ETH_II : CPL_ETH_II_VLAN;

		tso_info |= V_LSO_ETH_TYPE(eth_type) |

		    V_LSO_IPHDR_WORDS(skb->nh.iph->ihl) |

drivers/net/e1000/e1000_main.c

+1 −1
Original line number Diff line number Diff line
@@ -2910,7 +2910,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, 
						 0);

			ipcse = 0;

		}

		ipcss = skb->nh.raw - skb->data;

		ipcss = skb_network_offset(skb);

		ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;

		tucss = skb->h.raw - skb->data;

		tucso = (void *)&(skb->h.th->check) - (void *)skb->data;