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[SK_BUFF]: Introduce ipv6_hdr(), remove skb->nh.ipv6h

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Now the skb->nh union has just one member, .raw, i.e. it is just like the
skb->mac union, strange, no? I'm just leaving it like that till the transport
layer is done with, when we'll rename skb->mac.raw to skb->mac_header (or
->mac_header_offset?), ditto for ->{h,nh}.

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 17:54:47 -07:00
committed by David S. Miller
parent d0a92be05e
commit 0660e03f6b
59 changed files with 296 additions and 292 deletions
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20
net/ipv6/mip6.c
View File

@@ -129,7 +129,7 @@ static struct mip6_report_rate_limiter mip6_report_rl = {
static int mip6_destopt_input(struct xfrm_state *x, struct sk_buff *skb)
{
struct ipv6hdr *iph = skb->nh.ipv6h;
struct ipv6hdr *iph = ipv6_hdr(skb);
struct ipv6_destopt_hdr *destopt = (struct ipv6_destopt_hdr *)skb->data;
if (!ipv6_addr_equal(&iph->saddr, (struct in6_addr *)x->coaddr) &&
@@ -223,16 +223,16 @@ static int mip6_destopt_reject(struct xfrm_state *x, struct sk_buff *skb, struct
skb_get_timestamp(skb, &stamp);
if (!mip6_report_rl_allow(&stamp, &skb->nh.ipv6h->daddr,
hao ? &hao->addr : &skb->nh.ipv6h->saddr,
if (!mip6_report_rl_allow(&stamp, &ipv6_hdr(skb)->daddr,
hao ? &hao->addr : &ipv6_hdr(skb)->saddr,
opt->iif))
goto out;
memset(&sel, 0, sizeof(sel));
memcpy(&sel.daddr, (xfrm_address_t *)&skb->nh.ipv6h->daddr,
memcpy(&sel.daddr, (xfrm_address_t *)&ipv6_hdr(skb)->daddr,
sizeof(sel.daddr));
sel.prefixlen_d = 128;
memcpy(&sel.saddr, (xfrm_address_t *)&skb->nh.ipv6h->saddr,
memcpy(&sel.saddr, (xfrm_address_t *)&ipv6_hdr(skb)->saddr,
sizeof(sel.saddr));
sel.prefixlen_s = 128;
sel.family = AF_INET6;
@@ -256,12 +256,13 @@ static int mip6_destopt_offset(struct xfrm_state *x, struct sk_buff *skb,
u8 **nexthdr)
{
u16 offset = sizeof(struct ipv6hdr);
struct ipv6_opt_hdr *exthdr = (struct ipv6_opt_hdr*)(skb->nh.ipv6h + 1);
struct ipv6_opt_hdr *exthdr =
(struct ipv6_opt_hdr *)(ipv6_hdr(skb) + 1);
const unsigned char *nh = skb_network_header(skb);
unsigned int packet_len = skb->tail - nh;
int found_rhdr = 0;
*nexthdr = &skb->nh.ipv6h->nexthdr;
*nexthdr = &ipv6_hdr(skb)->nexthdr;
while (offset + 1 <= packet_len) {
@@ -387,12 +388,13 @@ static int mip6_rthdr_offset(struct xfrm_state *x, struct sk_buff *skb,
u8 **nexthdr)
{
u16 offset = sizeof(struct ipv6hdr);
struct ipv6_opt_hdr *exthdr = (struct ipv6_opt_hdr*)(skb->nh.ipv6h + 1);
struct ipv6_opt_hdr *exthdr =
(struct ipv6_opt_hdr *)(ipv6_hdr(skb) + 1);
const unsigned char *nh = skb_network_header(skb);
unsigned int packet_len = skb->tail - nh;
int found_rhdr = 0;
*nexthdr = &skb->nh.ipv6h->nexthdr;
*nexthdr = &ipv6_hdr(skb)->nexthdr;
while (offset + 1 <= packet_len) {