Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch

This commit is contained in:
David S. Miller
2011-12-03 22:53:31 -05:00
42 changed files with 6000 additions and 52 deletions

View File

@ -57,6 +57,9 @@ int ipv6_ext_hdr(u8 nexthdr)
* it returns NULL.
* - First fragment header is skipped, not-first ones
* are considered as unparsable.
* - Reports the offset field of the final fragment header so it is
* possible to tell whether this is a first fragment, later fragment,
* or not fragmented.
* - ESP is unparsable for now and considered like
* normal payload protocol.
* - Note also special handling of AUTH header. Thanks to IPsec wizards.
@ -64,10 +67,13 @@ int ipv6_ext_hdr(u8 nexthdr)
* --ANK (980726)
*/
int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp)
int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp,
__be16 *frag_offp)
{
u8 nexthdr = *nexthdrp;
*frag_offp = 0;
while (ipv6_ext_hdr(nexthdr)) {
struct ipv6_opt_hdr _hdr, *hp;
int hdrlen;
@ -87,7 +93,8 @@ int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp)
if (fp == NULL)
return -1;
if (ntohs(*fp) & ~0x7)
*frag_offp = *fp;
if (ntohs(*frag_offp) & ~0x7)
break;
hdrlen = 8;
} else if (nexthdr == NEXTHDR_AUTH)

View File

@ -135,11 +135,12 @@ static int is_ineligible(struct sk_buff *skb)
int ptr = (u8 *)(ipv6_hdr(skb) + 1) - skb->data;
int len = skb->len - ptr;
__u8 nexthdr = ipv6_hdr(skb)->nexthdr;
__be16 frag_off;
if (len < 0)
return 1;
ptr = ipv6_skip_exthdr(skb, ptr, &nexthdr);
ptr = ipv6_skip_exthdr(skb, ptr, &nexthdr, &frag_off);
if (ptr < 0)
return 0;
if (nexthdr == IPPROTO_ICMPV6) {
@ -596,6 +597,7 @@ static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info)
int inner_offset;
int hash;
u8 nexthdr;
__be16 frag_off;
if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
return;
@ -603,7 +605,8 @@ static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info)
nexthdr = ((struct ipv6hdr *)skb->data)->nexthdr;
if (ipv6_ext_hdr(nexthdr)) {
/* now skip over extension headers */
inner_offset = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &nexthdr);
inner_offset = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr),
&nexthdr, &frag_off);
if (inner_offset<0)
return;
} else {

View File

@ -280,6 +280,7 @@ int ip6_mc_input(struct sk_buff *skb)
u8 *ptr = skb_network_header(skb) + opt->ra;
struct icmp6hdr *icmp6;
u8 nexthdr = hdr->nexthdr;
__be16 frag_off;
int offset;
/* Check if the value of Router Alert
@ -293,7 +294,7 @@ int ip6_mc_input(struct sk_buff *skb)
goto out;
}
offset = ipv6_skip_exthdr(skb, sizeof(*hdr),
&nexthdr);
&nexthdr, &frag_off);
if (offset < 0)
goto out;

View File

@ -329,10 +329,11 @@ static int ip6_forward_proxy_check(struct sk_buff *skb)
{
struct ipv6hdr *hdr = ipv6_hdr(skb);
u8 nexthdr = hdr->nexthdr;
__be16 frag_off;
int offset;
if (ipv6_ext_hdr(nexthdr)) {
offset = ipv6_skip_exthdr(skb, sizeof(*hdr), &nexthdr);
offset = ipv6_skip_exthdr(skb, sizeof(*hdr), &nexthdr, &frag_off);
if (offset < 0)
return 0;
} else

View File

@ -49,6 +49,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
const __u8 tclass = DEFAULT_TOS_VALUE;
struct dst_entry *dst = NULL;
u8 proto;
__be16 frag_off;
struct flowi6 fl6;
if ((!(ipv6_addr_type(&oip6h->saddr) & IPV6_ADDR_UNICAST)) ||
@ -58,7 +59,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
}
proto = oip6h->nexthdr;
tcphoff = ipv6_skip_exthdr(oldskb, ((u8*)(oip6h+1) - oldskb->data), &proto);
tcphoff = ipv6_skip_exthdr(oldskb, ((u8*)(oip6h+1) - oldskb->data), &proto, &frag_off);
if ((tcphoff < 0) || (tcphoff > oldskb->len)) {
pr_debug("Cannot get TCP header.\n");