From dbb2ed24851a290616d66212dc75373fd863d636 Mon Sep 17 00:00:00 2001 From: Pierre Ynard Date: Mon, 12 Nov 2007 17:58:35 -0800 Subject: [PATCH] [IPV6]: Add ifindex field to ND user option messages. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Userland neighbor discovery options are typically heavily involved with the interface on which thay are received: add a missing ifindex field to the original struct. Thanks to Rémi Denis-Courmont. Signed-off-by: Pierre Ynard Signed-off-by: David S. Miller --- include/linux/rtnetlink.h | 2 ++ net/ipv6/ndisc.c | 1 + 2 files changed, 3 insertions(+) diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 5bf618241ab..4e81836191d 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -491,9 +491,11 @@ struct nduseroptmsg unsigned char nduseropt_family; unsigned char nduseropt_pad1; unsigned short nduseropt_opts_len; /* Total length of options */ + int nduseropt_ifindex; __u8 nduseropt_icmp_type; __u8 nduseropt_icmp_code; unsigned short nduseropt_pad2; + unsigned int nduseropt_pad3; /* Followed by one or more ND options */ }; diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 36f7dbfb6db..67997a74ddc 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1037,6 +1037,7 @@ static void ndisc_ra_useropt(struct sk_buff *ra, struct nd_opt_hdr *opt) ndmsg = nlmsg_data(nlh); ndmsg->nduseropt_family = AF_INET6; + ndmsg->nduseropt_ifindex = ra->dev->ifindex; ndmsg->nduseropt_icmp_type = icmp6h->icmp6_type; ndmsg->nduseropt_icmp_code = icmp6h->icmp6_code; ndmsg->nduseropt_opts_len = opt->nd_opt_len << 3; -- 2.11.4.GIT