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c45fb58dd3
The nexthop tracking was correctly registering the nexthops in
the SAFI_UNICAST table, but we need to apply them to the
SAFI_MULTICAST mroute information( if any ) as well.
donna.cumulusnetworks.com# conf t
donna.cumulusnetworks.com(config)# ip mroute 230.0.4.0/24 192.168.210.50
donna.cumulusnetworks.com(config)# end
donna.cumulusnetworks.com# show ip rpf
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR, f - OpenFabric,
> - selected route, * - FIB route
C>* 10.0.2.0/24 is directly connected, enp0s3, 00:08:28
C>* 192.168.209.0/24 is directly connected, enp0s8, 00:08:28
C>* 192.168.210.0/24 is directly connected, enp0s9, 00:08:28
S>* 230.0.4.0/24 [1/0] via 192.168.210.50, enp0s9, 00:07:56
S>* 230.0.5.0/24 [1/0] via 192.168.210.50, enp0s9, 00:07:17
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
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* Static NHT code.
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* Copyright (C) 2018 Cumulus Networks, Inc.
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* Donald Sharp
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include "prefix.h"
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#include "table.h"
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#include "vrf.h"
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#include "nexthop.h"
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#include "static_vrf.h"
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#include "static_routes.h"
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#include "static_zebra.h"
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#include "static_nht.h"
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static void static_nht_update_safi(struct prefix *p, uint32_t nh_num,
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afi_t afi, safi_t safi, struct vrf *vrf,
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vrf_id_t nh_vrf_id)
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{
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struct route_table *stable;
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struct static_route *si;
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struct static_vrf *svrf;
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struct route_node *rn;
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bool orig;
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bool reinstall;
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svrf = vrf->info;
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if (!svrf)
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return;
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stable = static_vrf_static_table(afi, safi, svrf);
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if (!stable)
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return;
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for (rn = route_top(stable); rn; rn = route_next(rn)) {
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reinstall = false;
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for (si = rn->info; si; si = si->next) {
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if (si->nh_vrf_id != nh_vrf_id)
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return;
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if (si->type != STATIC_IPV4_GATEWAY
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&& si->type != STATIC_IPV4_GATEWAY_IFNAME
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&& si->type != STATIC_IPV6_GATEWAY
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&& si->type != STATIC_IPV6_GATEWAY_IFNAME)
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return;
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orig = si->nh_valid;
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if (p->family == AF_INET
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&& p->u.prefix4.s_addr == si->addr.ipv4.s_addr)
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si->nh_valid = !!nh_num;
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if (p->family == AF_INET6
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&& memcmp(&p->u.prefix6, &si->addr.ipv6, 16) == 0)
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si->nh_valid = !!nh_num;
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if (orig != si->nh_valid)
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reinstall = true;
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if (reinstall) {
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static_zebra_route_add(rn, si, vrf->vrf_id,
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safi, true);
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reinstall = false;
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}
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}
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}
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}
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void static_nht_update(struct prefix *p, uint32_t nh_num, afi_t afi,
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vrf_id_t nh_vrf_id)
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{
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struct vrf *vrf;
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RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
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static_nht_update_safi(p, nh_num, afi, SAFI_UNICAST,
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vrf, nh_vrf_id);
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static_nht_update_safi(p, nh_num, afi, SAFI_MULTICAST,
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vrf, nh_vrf_id);
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}
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}
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