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link_gre6: really support encaplimit option

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This option is documented in gre6 help, but was not supported.

Fixes: af89576d7a ("iproute2: GRE over IPv6 tunnel support.")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
This commit is contained in:
Nicolas Dichtel 2017-06-14 18:45:42 +02:00 committed by Stephen Hemminger
parent a9ae195a21
commit a11b7b71a6
1 changed files with 12 additions and 0 deletions
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12
ip/link_gre6.c
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@ -355,6 +355,18 @@ get_failed:
invarg("invalid fwmark\n", *argv);
flags &= ~IP6_TNL_F_USE_ORIG_FWMARK;
}
} else if (strcmp(*argv, "encaplimit") == 0) {
NEXT_ARG();
if (strcmp(*argv, "none") == 0) {
flags |= IP6_TNL_F_IGN_ENCAP_LIMIT;
} else {
__u8 uval;
if (get_u8(&uval, *argv, 0) < -1)
invarg("invalid ELIM", *argv);
encap_limit = uval;
flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT;
}
} else
usage();
argc--; argv++;