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-rw-r--r--include/net/ndisc.h1
-rw-r--r--net/ipv6/ndisc.c4
2 files changed, 4 insertions, 1 deletions
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 6f9c25a76cd1..c02b6ad3f6c5 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -34,6 +34,7 @@ enum {
__ND_OPT_ARRAY_MAX,
ND_OPT_ROUTE_INFO = 24, /* RFC4191 */
ND_OPT_RDNSS = 25, /* RFC5006 */
+ ND_OPT_DNSSL = 31, /* RFC6106 */
__ND_OPT_MAX
};
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 1d6fb0c94da1..7cb236e8e261 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -15,6 +15,7 @@
/*
* Changes:
*
+ * Alexey I. Froloff : RFC6106 (DNSSL) support
* Pierre Ynard : export userland ND options
* through netlink (RDNSS support)
* Lars Fenneberg : fixed MTU setting on receipt
@@ -228,7 +229,8 @@ static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur,
static inline int ndisc_is_useropt(struct nd_opt_hdr *opt)
{
- return opt->nd_opt_type == ND_OPT_RDNSS;
+ return opt->nd_opt_type == ND_OPT_RDNSS ||
+ opt->nd_opt_type == ND_OPT_DNSSL;
}
static struct nd_opt_hdr *ndisc_next_useropt(struct nd_opt_hdr *cur,