Treat ND option 31 as userland (DNSSL support)
As specified in RFC6106, DNSSL option contains one or more domain names of DNS suffixes. 8-bit identifier of the DNSSL option type as assigned by the IANA is 31. This option should also be treated as userland. Signed-off-by: Alexey I. Froloff <raorn@raorn.name> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -34,6 +34,7 @@ enum {
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__ND_OPT_ARRAY_MAX,
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__ND_OPT_ARRAY_MAX,
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ND_OPT_ROUTE_INFO = 24, /* RFC4191 */
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ND_OPT_ROUTE_INFO = 24, /* RFC4191 */
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ND_OPT_RDNSS = 25, /* RFC5006 */
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ND_OPT_RDNSS = 25, /* RFC5006 */
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ND_OPT_DNSSL = 31, /* RFC6106 */
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__ND_OPT_MAX
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__ND_OPT_MAX
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};
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};
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@ -15,6 +15,7 @@
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/*
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/*
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* Changes:
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* Changes:
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*
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*
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* Alexey I. Froloff : RFC6106 (DNSSL) support
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* Pierre Ynard : export userland ND options
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* Pierre Ynard : export userland ND options
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* through netlink (RDNSS support)
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* through netlink (RDNSS support)
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* Lars Fenneberg : fixed MTU setting on receipt
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* Lars Fenneberg : fixed MTU setting on receipt
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@ -228,7 +229,8 @@ static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur,
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static inline int ndisc_is_useropt(struct nd_opt_hdr *opt)
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static inline int ndisc_is_useropt(struct nd_opt_hdr *opt)
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{
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{
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return opt->nd_opt_type == ND_OPT_RDNSS;
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return opt->nd_opt_type == ND_OPT_RDNSS ||
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opt->nd_opt_type == ND_OPT_DNSSL;
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}
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}
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static struct nd_opt_hdr *ndisc_next_useropt(struct nd_opt_hdr *cur,
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static struct nd_opt_hdr *ndisc_next_useropt(struct nd_opt_hdr *cur,
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