AcoSail/kernel_optimize_test
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[SK_BUFF]: Introduce ipipv6_hdr(), remove skb->h.ipv6h

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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 2007-04-10 21:06:25 -07:00 committed by David S. Miller
parent b0061ce49c
commit 39b89160df
4 changed files with 11 additions and 7 deletions
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5
include/linux/ipv6.h
View File

@ -228,6 +228,11 @@ static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb)
return (struct ipv6hdr *)skb_network_header(skb);
}
static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb)
{
return (struct ipv6hdr *)skb->h.raw;
}
/*
This structure contains results of exthdrs parsing
as offsets from skb->nh.

1
include/linux/skbuff.h
View File

@ -237,7 +237,6 @@ struct sk_buff {
/* 4 byte hole on 64 bit*/
union {
struct ipv6hdr *ipv6h;
unsigned char *raw;
} h;

4
net/ipv6/xfrm6_mode_beet.c
View File

@ -47,8 +47,8 @@ static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
skb_reset_network_header(skb);
top_iph = ipv6_hdr(skb);
skb->nh.raw = &top_iph->nexthdr;
skb->h.ipv6h = top_iph + 1;
skb->h.raw = skb->nh.raw + sizeof(struct ipv6hdr);
skb->nh.raw += offsetof(struct ipv6hdr, nexthdr);
ipv6_addr_copy(&top_iph->saddr, (struct in6_addr *)&x->props.saddr);
ipv6_addr_copy(&top_iph->daddr, (struct in6_addr *)&x->id.daddr);

8
net/ipv6/xfrm6_mode_tunnel.c
View File

@ -19,7 +19,7 @@
static inline void ipip6_ecn_decapsulate(struct sk_buff *skb)
{
struct ipv6hdr *outer_iph = ipv6_hdr(skb);
struct ipv6hdr *inner_iph = skb->h.ipv6h;
struct ipv6hdr *inner_iph = ipipv6_hdr(skb);
if (INET_ECN_is_ce(ipv6_get_dsfield(outer_iph)))
IP6_ECN_set_ce(inner_iph);
@ -55,8 +55,8 @@ static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
skb_reset_network_header(skb);
top_iph = ipv6_hdr(skb);
skb->nh.raw = &top_iph->nexthdr;
skb->h.ipv6h = top_iph + 1;
skb->h.raw = skb->nh.raw + sizeof(struct ipv6hdr);
skb->nh.raw += offsetof(struct ipv6hdr, nexthdr);
top_iph->version = 6;
if (xdst->route->ops->family == AF_INET6) {
@ -102,7 +102,7 @@ static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
nh = skb_network_header(skb);
if (nh[IP6CB(skb)->nhoff] == IPPROTO_IPV6) {
if (x->props.flags & XFRM_STATE_DECAP_DSCP)
ipv6_copy_dscp(ipv6_hdr(skb), skb->h.ipv6h);
ipv6_copy_dscp(ipv6_hdr(skb), ipipv6_hdr(skb));
if (!(x->props.flags & XFRM_STATE_NOECN))
ipip6_ecn_decapsulate(skb);
} else {