This patch adds the 6LoWPAN Context Option (6CO) as userspace option to
processing such options inside RA messages in userspace.
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>
Cc: James Morris <jmorris@xxxxxxxxx>
Cc: Hideaki YOSHIFUJI <yoshfuji@xxxxxxxxxxxxxx>
Cc: Patrick McHardy <kaber@xxxxxxxxx>
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
include/net/ndisc.h | 1 +
net/ipv6/ndisc.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 2d8edaa..944258d 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -35,6 +35,7 @@ enum {
ND_OPT_ROUTE_INFO = 24, /* RFC4191 */
ND_OPT_RDNSS = 25, /* RFC5006 */
ND_OPT_DNSSL = 31, /* RFC6106 */
+ ND_OPT_6CO = 34, /* RFC6775 */
__ND_OPT_MAX
};
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index d6161e1..bed154e 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -188,7 +188,8 @@ 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 ||
- opt->nd_opt_type == ND_OPT_DNSSL;
+ opt->nd_opt_type == ND_OPT_DNSSL ||
+ opt->nd_opt_type == ND_OPT_6CO;
}
static struct nd_opt_hdr *ndisc_next_useropt(struct nd_opt_hdr *cur,
--
2.6.1
--
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