39e9428b90
Type: feature Add a new plugin to support HA using VRRPv3 (RFC 5798). Change-Id: Iaa2c37e6172f8f41e9165f178f44d481f6e247b9 Signed-off-by: Matthew Smith <mgsmith@netgate.com>
147 lines
3.6 KiB
C
147 lines
3.6 KiB
C
/*
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* Copyright 2019-2020 Rubicon Communications, LLC (Netgate)
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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#include <vnet/vnet.h>
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#include <vnet/api_errno.h>
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#include <vnet/ip/ip.h>
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#include <vnet/interface.h>
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#include <plugins/vrrp/vrrp.h>
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#include <plugins/vrrp/vrrp_packet.h>
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u8 *
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format_vrrp_vr_flags (u8 * s, va_list * args)
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{
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vrrp_vr_flags_t flags = va_arg (*args, vrrp_vr_flags_t);
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s = format (s, "preempt %s accept %s unicast %s",
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(flags & VRRP_VR_PREEMPT) ? "yes" : "no",
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(flags & VRRP_VR_ACCEPT) ? "yes" : "no",
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(flags & VRRP_VR_UNICAST) ? "yes" : "no");
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return s;
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}
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u8 *
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format_vrrp_vr_addrs (u8 * s, va_list * args)
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{
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int is_ipv6 = va_arg (*args, int);
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ip46_address_t *addrs = va_arg (*args, ip46_address_t *);
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ip46_address_t *addr;
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vec_foreach (addr, addrs)
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{
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s = format (s, "%U ",
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(is_ipv6) ? format_ip6_address : format_ip4_address,
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(is_ipv6) ? (u8 *) & addr->ip6 : (u8 *) & addr->ip4);
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}
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return s;
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}
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u8 *
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format_vrrp_vr_state (u8 * s, va_list * args)
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{
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vrrp_vr_state_t state = va_arg (*args, vrrp_vr_state_t);
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switch (state)
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{
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#define _(v,f,n) case VRRP_VR_STATE_##f: s = format (s, n); break;
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foreach_vrrp_vr_state
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#undef _
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default:
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s = format (s, "Unknown");
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break;
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}
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return s;
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}
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u8 *
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format_vrrp_vr_key (u8 * s, va_list * args)
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{
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vrrp_main_t *vmp = &vrrp_main;
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vrrp_vr_t *vr = va_arg (*args, vrrp_vr_t *);
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vrrp_vr_config_t *vrc = &vr->config;
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s = format (s, "[%d] sw_if_index %u VR ID %u IPv%d",
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vr - vmp->vrs, vrc->sw_if_index,
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vrc->vr_id, (vrc->flags & VRRP_VR_IPV6) ? 6 : 4);
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return s;
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}
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u8 *
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format_vrrp_vr_track_ifs (u8 * s, va_list * args)
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{
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vrrp_vr_tracking_if_t *track_ifs = va_arg (*args, vrrp_vr_tracking_if_t *);
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vrrp_vr_tracking_if_t *track_if;
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vec_foreach (track_if, track_ifs)
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s = format (s, "sw_if_index %u priority %u ",
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track_if->sw_if_index, track_if->priority);
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return s;
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}
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u8 *
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format_vrrp_vr (u8 * s, va_list * args)
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{
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vrrp_vr_t *vr = va_arg (*args, vrrp_vr_t *);
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s = format (s, "%U\n", format_vrrp_vr_key, vr);
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s = format (s, " state %U flags: %U\n",
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format_vrrp_vr_state, vr->runtime.state,
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format_vrrp_vr_flags, vr->config.flags);
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s = format (s, " priority: configured %u adjusted %u\n",
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vr->config.priority, vrrp_vr_priority (vr));
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s = format (s, " timers: adv interval %u "
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"master adv %u skew %u master down %u\n",
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vr->config.adv_interval, vr->runtime.master_adv_int,
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vr->runtime.skew, vr->runtime.master_down_int);
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s = format (s, " virtual MAC %U\n", format_ethernet_address,
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&vr->runtime.mac);
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s = format (s, " addresses %U\n", format_vrrp_vr_addrs,
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(vr->config.flags & VRRP_VR_IPV6) != 0, vr->config.vr_addrs);
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s = format (s, " peer addresses %U\n", format_vrrp_vr_addrs,
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(vr->config.flags & VRRP_VR_IPV6) != 0, vr->config.peer_addrs);
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s = format (s, " tracked interfaces %U\n", format_vrrp_vr_track_ifs,
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vr->tracking.interfaces);
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return s;
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}
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u8 *
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format_vrrp_packet_hdr (u8 * s, va_list * args)
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{
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vrrp_header_t *pkt = va_arg (*args, vrrp_header_t *);
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u32 version = pkt->vrrp_version_and_type >> 4;
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s = format (s, "ver %u, type %u, VRID %u, prio %u, "
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"n_addrs %u, interval %u%ss, csum 0x%x",
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version, pkt->vrrp_version_and_type & 0xf,
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pkt->vr_id, pkt->priority, pkt->n_addrs,
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clib_net_to_host_u16 (pkt->rsvd_and_max_adv_int),
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(version == 3) ? "c" : "", pkt->checksum);
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return s;
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}
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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