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[IPV6] MIP6: Add socket option and ancillary data interface of routing header type 2.

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Add socket option and ancillary data interface of routing header type
2.  Mobile IPv6 application will use this to send binding
acknowledgement with the header without relation of confirmed route
optimization (binding).

Based on MIPL2 kernel patch.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Masahide NAKAMURA 2006-08-23 19:17:12 -07:00 committed by David S. Miller
parent 65d4ed9221
commit 280a9d3400
2 changed files with 16 additions and 5 deletions
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11
net/ipv6/datagram.c
View File

@ -648,10 +648,13 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
rthdr = (struct ipv6_rt_hdr *)CMSG_DATA(cmsg);
/*
* TYPE 0
*/
if (rthdr->type) {
switch (rthdr->type) {
case IPV6_SRCRT_TYPE_0:
#ifdef CONFIG_IPV6_MIP6
case IPV6_SRCRT_TYPE_2:
#endif
break;
default:
err = -EINVAL;
goto exit_f;
}

10
net/ipv6/ipv6_sockglue.c
View File

@ -407,8 +407,16 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
/* routing header option needs extra check */
if (optname == IPV6_RTHDR && opt->srcrt) {
struct ipv6_rt_hdr *rthdr = opt->srcrt;
if (rthdr->type)
switch (rthdr->type) {
case IPV6_SRCRT_TYPE_0:
#ifdef CONFIG_IPV6_MIP6
case IPV6_SRCRT_TYPE_2:
#endif
break;
default:
goto sticky_done;
}
if ((rthdr->hdrlen & 1) ||
(rthdr->hdrlen >> 1) != rthdr->segments_left)
goto sticky_done;