> From: YOSHIFUJI Hideaki <[EMAIL PROTECTED]>
> Date: Thu, 24 Aug 2006 00:02:24 +0900
>
> > In receiving Mobile IPv6 home address option which is a TLV carried
> > by destination options header, kernel will try to mangle source adderss
> > of packet. Think of cloned skbuff it is required to replace it by
> > the parser just like routing header case.
> > This is a framework to achieve that to allow TLV parser to replace
> > inbound skbuff pointer.
> >
> > Signed-off-by: Masahide NAKAMURA <[EMAIL PROTECTED]>
> > Signed-off-by: YOSHIFUJI Hideaki <[EMAIL PROTECTED]>
>
> Applied to net-2.6.19, thanks a lot.
>
I've found issue about the patch above.
This is a fix for it, to update IP6CB when cloned skbuff is received at HAO.
Signed-off-by: Masahide NAKAMURA <[EMAIL PROTECTED]>
---
net/ipv6/exthdrs.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index f4c7629..ec93a1d 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -233,9 +233,14 @@ static int ipv6_dest_hao(struct sk_buff
if (skb_cloned(skb)) {
struct sk_buff *skb2 = skb_copy(skb, GFP_ATOMIC);
+ struct inet6_skb_parm *opt2;
+
if (skb2 == NULL)
goto discard;
+ opt2 = IP6CB(skb2);
+ memcpy(opt2, opt, sizeof(*opt2));
+
kfree_skb(skb);
/* update all variable using below by copied skbuff */
@@ -296,6 +301,7 @@ #endif
if (ip6_parse_tlv(tlvprocdestopt_lst, skbp)) {
skb = *skbp;
skb->h.raw += ((skb->h.raw[1]+1)<<3);
+ opt = IP6CB(skb);
#ifdef CONFIG_IPV6_MIP6
opt->nhoff = dstbuf;
#else
@@ -690,6 +696,7 @@ int ipv6_parse_hopopts(struct sk_buff **
if (ip6_parse_tlv(tlvprochopopt_lst, skbp)) {
skb = *skbp;
skb->h.raw += (skb->h.raw[1]+1)<<3;
+ opt = IP6CB(skb);
opt->nhoff = sizeof(struct ipv6hdr);
return 1;
}
--
1.4.2
-
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