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Merge pull request #2072 from donaldsharp/blackhole_this

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zebra: Allow blackhole route deletion for prefixes
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Russ White 2018-04-20 07:58:03 -04:00 committed by GitHub
commit ea1c08342f
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1 changed files with 11 additions and 1 deletions
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12
zebra/rt_netlink.c
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@ -1350,7 +1350,17 @@ static int netlink_route_multipath(int cmd, struct prefix *p,
req.r.rtm_src_len = src_p ? src_p->prefixlen : 0; req.r.rtm_src_len = src_p ? src_p->prefixlen : 0;
req.r.rtm_protocol = zebra2proto(re->type); req.r.rtm_protocol = zebra2proto(re->type);
req.r.rtm_scope = RT_SCOPE_UNIVERSE; req.r.rtm_scope = RT_SCOPE_UNIVERSE;
req.r.rtm_type = RTN_UNICAST;
/*
* blackhole routes are not RTN_UNICAST, they are
* RTN_ BLACKHOLE|UNREACHABLE|PROHIBIT
* so setting this value as a RTN_UNICAST would
* cause the route lookup of just the prefix
* to fail. So no need to specify this for
* the RTM_DELROUTE case
*/
if (cmd != RTM_DELROUTE)
req.r.rtm_type = RTN_UNICAST;
addattr_l(&req.n, sizeof req, RTA_DST, &p->u.prefix, bytelen); addattr_l(&req.n, sizeof req, RTA_DST, &p->u.prefix, bytelen);
if (src_p) if (src_p)