[SK_BUFF]: Introduce skb_network_offset()
For the quite common 'skb->nh.raw - skb->data' sequence.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index e3f1816..793a61b 100644
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -1300,7 +1300,7 @@
~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;
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 47fa8dc..8cdee67 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -1865,7 +1865,7 @@
++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));
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 4dd7120..7e9e9db 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -897,7 +897,7 @@
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) |
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index b28a915..8616101 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2910,7 +2910,7 @@
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;
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 1d01919..c7a7093 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -952,7 +952,7 @@
* frame (skb->data) and the start of the IP hdr.
* l4os is the distance between the start of the
* l3 hdr and the l4 hdr */
- fcb->l3os = (u16)(skb->nh.raw - skb->data - GMAC_FCB_LEN);
+ fcb->l3os = (u16)(skb_network_offset(skb) - GMAC_FCB_LEN);
fcb->l4os = (u16)(skb->h.raw - skb->nh.raw);
fcb->flags = flags;
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index afc2ec7..cfb791b 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1195,7 +1195,7 @@
skb->h.th->check = ~csum_tcpudp_magic(skb->nh.iph->saddr,
skb->nh.iph->daddr,
0, IPPROTO_TCP, 0);
- ipcss = skb->nh.raw - skb->data;
+ ipcss = skb_network_offset(skb);
ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
ipcse = skb->h.raw - skb->data - 1;
tucss = skb->h.raw - skb->data;
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 6537574..625e11e 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -386,7 +386,7 @@
}
adapter->stats.xmitcsummed++;
desc->tcp_hdr_offset = skb->h.raw - skb->data;
- desc->ip_hdr_offset = skb->nh.raw - skb->data;
+ desc->ip_hdr_offset = skb_network_offset(skb);
}
int netxen_is_flash_supported(struct netxen_adapter *adapter)