From 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:53:30 +0200 Subject: Adding upstream version 8.4.4. Signed-off-by: Daniel Baumann --- lib/route_opaque.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 lib/route_opaque.h (limited to 'lib/route_opaque.h') diff --git a/lib/route_opaque.h b/lib/route_opaque.h new file mode 100644 index 0000000..bf6081c --- /dev/null +++ b/lib/route_opaque.h @@ -0,0 +1,61 @@ +/* Opaque data for Zebra from other daemons. + * + * Copyright (C) 2021 Donatas Abraitis + * + * This file is part of FRRouting (FRR). + * + * FRR is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2, or (at your option) any later version. + * + * FRR is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef FRR_ROUTE_OPAQUE_H +#define FRR_ROUTE_OPAQUE_H + +#include "assert.h" +#include "zclient.h" + +/* copied from bgpd/bgp_community.h */ +#define COMMUNITY_SIZE 4 +/* copied from bgpd/bgp_lcommunity.h */ +#define LCOMMUNITY_SIZE 12 +/* copied from bgpd/bgp_route.h */ +#define BGP_MAX_SELECTION_REASON_STR_BUF 32 + +struct bgp_zebra_opaque { + char aspath[256]; + + /* Show at least 10 communities AA:BB */ + char community[COMMUNITY_SIZE * 20]; + + /* Show at least 10 large-communities AA:BB:CC */ + char lcommunity[LCOMMUNITY_SIZE * 30]; + + /* 32 bytes seems enough because of + * bgp_path_selection_confed_as_path which is + * `Confederation based AS Path`. + */ + char selection_reason[BGP_MAX_SELECTION_REASON_STR_BUF]; +}; + +struct ospf_zebra_opaque { + char path_type[32]; + char area_id[INET_ADDRSTRLEN]; + char tag[16]; +}; + +static_assert(sizeof(struct bgp_zebra_opaque) <= ZAPI_MESSAGE_OPAQUE_LENGTH, + "BGP opaque data shouldn't be larger than zebra's buffer"); +static_assert(sizeof(struct ospf_zebra_opaque) <= ZAPI_MESSAGE_OPAQUE_LENGTH, + "OSPF opaque data shouldn't be larger than zebra's buffer"); + +#endif /* FRR_ROUTE_OPAQUE_H */ -- cgit v1.2.3