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[SK_BUFF]: Introduce skb_transport_offset()

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

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-04-25 17:55:53 -07:00
committed by David S. Miller
parent badff6d01a
commit ea2ae17d64
26 changed files with 64 additions and 64 deletions
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10
drivers/net/e1000/e1000_main.c
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@ -2887,7 +2887,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
return err;
}
hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
hdr_len = (skb_transport_offset(skb) + (skb->h.th->doff << 2));
mss = skb_shinfo(skb)->gso_size;
if (skb->protocol == htons(ETH_P_IP)) {
struct iphdr *iph = ip_hdr(skb);
@ -2897,7 +2897,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
iph->daddr, 0,
IPPROTO_TCP, 0);
cmd_length = E1000_TXD_CMD_IP;
ipcse = skb->h.raw - skb->data - 1;
ipcse = skb_transport_offset(skb) - 1;
} else if (skb->protocol == htons(ETH_P_IPV6)) {
ipv6_hdr(skb)->payload_len = 0;
skb->h.th->check =
@ -2908,7 +2908,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
}
ipcss = skb_network_offset(skb);
ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
tucss = skb->h.raw - skb->data;
tucss = skb_transport_offset(skb);
tucso = (void *)&(skb->h.th->check) - (void *)skb->data;
tucse = 0;
@ -2950,7 +2950,7 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
uint8_t css;
if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
css = skb->h.raw - skb->data;
css = skb_transport_offset(skb);
i = tx_ring->next_to_use;
buffer_info = &tx_ring->buffer_info[i];
@ -3292,7 +3292,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
* points to just header, pull a few bytes of payload from
* frags into skb->data */
hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
hdr_len = (skb_transport_offset(skb) + (skb->h.th->doff << 2));
if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
switch (adapter->hw.mac_type) {
unsigned int pull_size;