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[SK_BUFF]: More skb_put related skb_reset_transport_header 

This time we have to set it to skb->tail that is not anymore equal to
skb->data, so we either add a new helper or just add the skb->tail - skb->data
offset, for now do the later.

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 2007-03-14 21:05:37 -03:00 committed by David S. Miller
parent 55f79cc0c0
commit d10ba34b00
4 changed files with 19 additions and 12 deletions
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3
net/ipv4/igmp.c
View File

@ -333,7 +333,8 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
((u8*)&pip[1])[2] = 0;
((u8*)&pip[1])[3] = 0;
skb->h.raw = skb_put(skb, sizeof(*pig));
skb->h.raw = skb->nh.raw + sizeof(struct iphdr) + 4;
skb_put(skb, sizeof(*pig));
pig = igmpv3_report_hdr(skb);
pig->type = IGMPV3_HOST_MEMBERSHIP_REPORT;
pig->resv1 = 0;

3
net/ipv4/ipvs/ip_vs_xmit.c
View File

@ -323,6 +323,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
struct iphdr *old_iph = ip_hdr(skb);
u8 tos = old_iph->tos;
__be16 df = old_iph->frag_off;
unsigned char *old_h = skb_transport_header(skb);
struct iphdr *iph; /* Our new IP header */
int max_headroom; /* The extra header space needed */
int mtu;
@ -380,7 +381,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
old_iph = ip_hdr(skb);
}
skb->h.raw = (void *) old_iph;
skb->h.raw = old_h;
/* fix old IP header checksum */
ip_send_check(old_iph);

5
net/ipv6/mcast.c
View File

@ -1423,8 +1423,9 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
memcpy(skb_put(skb, sizeof(ra)), ra, sizeof(ra));
pmr =(struct mld2_report *)skb_put(skb, sizeof(*pmr));
skb->h.raw = (unsigned char *)pmr;
skb_set_transport_header(skb, skb->tail - skb->data);
skb_put(skb, sizeof(*pmr));
pmr = (struct mld2_report *)skb_transport_header(skb);
pmr->type = ICMPV6_MLD2_REPORT;
pmr->resv1 = 0;
pmr->csum = 0;

20
net/ipv6/ndisc.c
View File

@ -492,8 +492,9 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
skb_reserve(skb, LL_RESERVED_SPACE(dev));
ip6_nd_hdr(sk, skb, dev, src_addr, daddr, IPPROTO_ICMPV6, len);
msg = (struct nd_msg *)skb_put(skb, len);
skb->h.raw = (unsigned char*)msg;
skb_set_transport_header(skb, skb->tail - skb->data);
skb_put(skb, len);
msg = (struct nd_msg *)skb_transport_header(skb);
msg->icmph.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT;
msg->icmph.icmp6_code = 0;
@ -583,8 +584,9 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
skb_reserve(skb, LL_RESERVED_SPACE(dev));
ip6_nd_hdr(sk, skb, dev, saddr, daddr, IPPROTO_ICMPV6, len);
msg = (struct nd_msg *)skb_put(skb, len);
skb->h.raw = (unsigned char*)msg;
skb_set_transport_header(skb, skb->tail - skb->data);
skb_put(skb, len);
msg = (struct nd_msg *)skb_transport_header(skb);
msg->icmph.icmp6_type = NDISC_NEIGHBOUR_SOLICITATION;
msg->icmph.icmp6_code = 0;
msg->icmph.icmp6_cksum = 0;
@ -683,8 +685,9 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
skb_reserve(skb, LL_RESERVED_SPACE(dev));
ip6_nd_hdr(sk, skb, dev, saddr, daddr, IPPROTO_ICMPV6, len);
hdr = (struct icmp6hdr *)skb_put(skb, len);
skb->h.raw = (unsigned char*)hdr;
skb_set_transport_header(skb, skb->tail - skb->data);
skb_put(skb, len);
hdr = icmp6_hdr(skb);
hdr->icmp6_type = NDISC_ROUTER_SOLICITATION;
hdr->icmp6_code = 0;
hdr->icmp6_cksum = 0;
@ -1519,8 +1522,9 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
ip6_nd_hdr(sk, buff, dev, &saddr_buf, &ipv6_hdr(skb)->saddr,
IPPROTO_ICMPV6, len);
icmph = (struct icmp6hdr *)skb_put(buff, len);
buff->h.raw = (unsigned char*)icmph;
skb_set_transport_header(buff, buff->tail - buff->data);
skb_put(buff, len);
icmph = icmp6_hdr(buff);
memset(icmph, 0, sizeof(struct icmp6hdr));
icmph->icmp6_type = NDISC_REDIRECT;