From 595db7f16506d2c82a3478e9f8dab00c8733d386 Mon Sep 17 00:00:00 2001 From: paul Date: Sun, 25 May 2003 21:35:06 +0000 Subject: Add back support for null0 interface blackhole routes. --- lib/zclient.c | 50 +++++++++++++++++++++++++++++++------------------- lib/zebra.h | 1 + 2 files changed, 32 insertions(+), 19 deletions(-) (limited to 'lib') diff --git a/lib/zclient.c b/lib/zclient.c index ebf685a0..bb7747fa 100644 --- a/lib/zclient.c +++ b/lib/zclient.c @@ -317,18 +317,24 @@ zapi_ipv4_add (struct zclient *zclient, struct prefix_ipv4 *p, /* Nexthop, ifindex, distance and metric information. */ if (CHECK_FLAG (api->message, ZAPI_MESSAGE_NEXTHOP)) { - stream_putc (s, api->nexthop_num + api->ifindex_num); - + if (CHECK_FLAG (api->flags, ZEBRA_FLAG_BLACKHOLE)) + { + stream_putc (s, 1); + stream_putc (s, ZEBRA_NEXTHOP_BLACKHOLE); + } + else + stream_putc (s, api->nexthop_num + api->ifindex_num); + for (i = 0; i < api->nexthop_num; i++) - { - stream_putc (s, ZEBRA_NEXTHOP_IPV4); - stream_put_in_addr (s, api->nexthop[i]); - } + { + stream_putc (s, ZEBRA_NEXTHOP_IPV4); + stream_put_in_addr (s, api->nexthop[i]); + } for (i = 0; i < api->ifindex_num; i++) - { - stream_putc (s, ZEBRA_NEXTHOP_IFINDEX); - stream_putl (s, api->ifindex[i]); - } + { + stream_putc (s, ZEBRA_NEXTHOP_IFINDEX); + stream_putl (s, api->ifindex[i]); + } } if (CHECK_FLAG (api->message, ZAPI_MESSAGE_DISTANCE)) @@ -371,18 +377,24 @@ zapi_ipv4_delete (struct zclient *zclient, struct prefix_ipv4 *p, /* Nexthop, ifindex, distance and metric information. */ if (CHECK_FLAG (api->message, ZAPI_MESSAGE_NEXTHOP)) { - stream_putc (s, api->nexthop_num + api->ifindex_num); + if (CHECK_FLAG (api->flags, ZEBRA_FLAG_BLACKHOLE)) + { + stream_putc (s, 1); + stream_putc (s, ZEBRA_NEXTHOP_BLACKHOLE); + } + else + stream_putc (s, api->nexthop_num + api->ifindex_num); for (i = 0; i < api->nexthop_num; i++) - { - stream_putc (s, ZEBRA_NEXTHOP_IPV4); - stream_put_in_addr (s, api->nexthop[i]); - } + { + stream_putc (s, ZEBRA_NEXTHOP_IPV4); + stream_put_in_addr (s, api->nexthop[i]); + } for (i = 0; i < api->ifindex_num; i++) - { - stream_putc (s, ZEBRA_NEXTHOP_IFINDEX); - stream_putl (s, api->ifindex[i]); - } + { + stream_putc (s, ZEBRA_NEXTHOP_IFINDEX); + stream_putl (s, api->ifindex[i]); + } } if (CHECK_FLAG (api->message, ZAPI_MESSAGE_DISTANCE)) diff --git a/lib/zebra.h b/lib/zebra.h index baad6d6a..7b1e8011 100644 --- a/lib/zebra.h +++ b/lib/zebra.h @@ -271,6 +271,7 @@ struct in_pktinfo #define ZEBRA_NEXTHOP_IPV6 6 #define ZEBRA_NEXTHOP_IPV6_IFINDEX 7 #define ZEBRA_NEXTHOP_IPV6_IFNAME 8 +#define ZEBRA_NEXTHOP_BLACKHOLE 9 #ifndef INADDR_LOOPBACK #define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */ -- cgit v1.2.1