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[IPV6]: Add ifindex field to ND user option messages.

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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 Rmi Denis-Courmont.

Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pierre Ynard 2007-11-12 17:58:35 -08:00 committed by David S. Miller
parent 325d22df7b
commit dbb2ed2485
2 changed files with 3 additions and 0 deletions
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2
include/linux/rtnetlink.h
View File

@ -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 */
};

1
net/ipv6/ndisc.c
View File

@ -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;