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bgpd: bmp afi/safi sync for loc-rib

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added afi/safi monitoring synchronisation for loc-rib
added peer_type_flag to bmp_eor signature, only set to BMP_PEER_TYPE_LOC_RIB and to 0 in other cases like it was before
updated tracelog to include peer_type_flag value

Signed-off-by: Maxence Younsi <mx.yns@outlook.fr>
This commit is contained in:
mxyns 2022-07-27 17:56:00 +02:00 committed by Maxence Younsi
parent 3d07f70f95
commit c5512950f5
2 changed files with 36 additions and 12 deletions
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45
bgpd/bgp_bmp.c
View File

@ -764,7 +764,7 @@ static int bmp_peer_backward(struct peer *peer)
return 0;
}
static void bmp_eor(struct bmp *bmp, afi_t afi, safi_t safi, uint8_t flags)
static void bmp_eor(struct bmp *bmp, afi_t afi, safi_t safi, uint8_t flags, uint8_t peer_type_flag)
{
struct peer *peer;
struct listnode *node;
@ -772,7 +772,7 @@ static void bmp_eor(struct bmp *bmp, afi_t afi, safi_t safi, uint8_t flags)
iana_afi_t pkt_afi = IANA_AFI_IPV4;
iana_safi_t pkt_safi = IANA_SAFI_UNICAST;
frrtrace(3, frr_bgp, bmp_eor, afi, safi, flags);
frrtrace(3, frr_bgp, bmp_eor, afi, safi, flags, peer_type_flag);
s = stream_new(BGP_MAX_PACKET_SIZE);
@ -808,7 +808,7 @@ static void bmp_eor(struct bmp *bmp, afi_t afi, safi_t safi, uint8_t flags)
bmp_common_hdr(s2, BMP_VERSION_3,
BMP_TYPE_ROUTE_MONITORING);
bmp_per_peer_hdr(s2, peer, flags, BMP_PEER_TYPE_GLOBAL_INSTANCE, NULL, NULL);
bmp_per_peer_hdr(s2, peer, flags, peer_type_flag, NULL, NULL);
stream_putl_at(s2, BMP_LENGTH_POS,
stream_get_endp(s) + stream_get_endp(s2));
@ -945,6 +945,7 @@ static void bmp_monitor(struct bmp *bmp, struct peer *peer, uint8_t flags,
static bool bmp_wrsync(struct bmp *bmp, struct pullwr *pullwr)
{
zlog_info("bmp: sync ran!");
afi_t afi;
safi_t safi;
@ -1042,8 +1043,10 @@ afibreak:
zlog_info("bmp[%s] %s %s table completed (EoR)",
bmp->remote, afi2str(afi),
safi2str(safi));
bmp_eor(bmp, afi, safi, BMP_PEER_FLAG_L);
bmp_eor(bmp, afi, safi, 0);
bmp_eor(bmp, afi, safi, BMP_PEER_FLAG_L, BMP_PEER_TYPE_GLOBAL_INSTANCE);
bmp_eor(bmp, afi, safi, 0, BMP_PEER_TYPE_GLOBAL_INSTANCE);
bmp_eor(bmp, afi, safi, 0, BMP_PEER_TYPE_LOC_RIB_INSTANCE);
bmp->afistate[afi][safi] = BMP_AFI_LIVE;
bmp->syncafi = AFI_MAX;
@ -1055,10 +1058,12 @@ afibreak:
}
/* TODO BMP add BMP_MON_LOC_RIB case */
if (bmp->targets->afimon[afi][safi] & BMP_MON_POSTPOLICY) {
if (bmp->targets->afimon[afi][safi] & BMP_MON_POSTPOLICY
|| bmp->targets->afimon[afi][safi] & BMP_MON_LOC_RIB) {
for (bpiter = bgp_dest_get_bgp_path_info(bn); bpiter;
bpiter = bpiter->next) {
if (!CHECK_FLAG(bpiter->flags, BGP_PATH_VALID))
if (!CHECK_FLAG(bpiter->flags, BGP_PATH_VALID)
&& !CHECK_FLAG(bpiter->flags, BGP_PATH_SELECTED))
continue;
if (bpiter->peer->qobj_node.nid
<= bmp->syncpeerid)
@ -1107,10 +1112,26 @@ afibreak:
(safi == SAFI_MPLS_VPN))
prd = (struct prefix_rd *)bgp_dest_get_prefix(bmp->syncrdpos);
if (bpi)
if (bpi && CHECK_FLAG(bpi->flags, BGP_PATH_SELECTED)
&& CHECK_FLAG(bmp->targets->afimon[afi][safi], BMP_MON_LOC_RIB)) {
uint8_t peer_distinguisher[8] = {0};
if (bmp->targets->bgp->inst_type != VRF_DEFAULT) {
memcpy(peer_distinguisher,
&bmp->targets->bgp->vrf_id,
sizeof(vrf_id_t));
}
bmp_monitor(bmp, bpi->peer, 0,
BMP_PEER_TYPE_LOC_RIB_INSTANCE, peer_distinguisher, bn_p,
prd, bpi->attr, afi, safi, bpi->uptime);
}
if (bpi && CHECK_FLAG(bpi->flags, BGP_PATH_VALID)
&& CHECK_FLAG(bmp->targets->afimon[afi][safi], BMP_MON_POSTPOLICY))
bmp_monitor(bmp, bpi->peer, BMP_PEER_FLAG_L,
BMP_PEER_TYPE_GLOBAL_INSTANCE, NULL, bn_p, prd,
bpi->attr, afi, safi, bpi->uptime);
BMP_PEER_TYPE_GLOBAL_INSTANCE, NULL, bn_p,
prd, bpi->attr, afi, safi, bpi->uptime);
if (adjin)
bmp_monitor(bmp, adjin->peer, 0, BMP_PEER_TYPE_GLOBAL_INSTANCE,
NULL, bn_p, prd, adjin->attr, afi, safi,
@ -2395,6 +2416,7 @@ DEFPY(bmp_monitor_cfg, bmp_monitor_cmd,
if (prev == bt->afimon[afi][safi])
return CMD_SUCCESS;
vty_out(vty, "setting sync states\n");
frr_each (bmp_session, &bt->sessions, bmp) {
if (bmp->syncafi == afi && bmp->syncsafi == safi) {
bmp->syncafi = AFI_MAX;
@ -2405,7 +2427,8 @@ DEFPY(bmp_monitor_cfg, bmp_monitor_cmd,
bmp->afistate[afi][safi] = BMP_AFI_INACTIVE;
continue;
}
vty_out(vty, "%s needs sync now\n", get_afi_safi_str(afi, safi, false));
zlog_info("bmp: %s needs sync now\n", get_afi_safi_str(afi, safi, false));
bmp->afistate[afi][safi] = BMP_AFI_NEEDSYNC;
}

3
bgpd/bgp_trace.h
View File

@ -135,11 +135,12 @@ TRACEPOINT_LOGLEVEL(frr_bgp, bmp_mirror_packet, TRACE_INFO)
TRACEPOINT_EVENT(
frr_bgp,
bmp_eor,
TP_ARGS(afi_t, afi, safi_t, safi, uint8_t, flags),
TP_ARGS(afi_t, afi, safi_t, safi, uint8_t, flags, peer_type_flag),
TP_FIELDS(
ctf_integer(afi_t, afi, afi)
ctf_integer(safi_t, safi, safi)
ctf_integer(uint8_t, flags, flags)
ctf_integer(uint8_t, peer_type_flag, peer_type_flag)
)
)