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bgpd: bmp, handle imported bgp instances in bmp_mirror

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Modify the bmp_mirror() function to export the route update information
to all BMP instances importing it.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2024-09-20 16:50:07 +02:00
parent ee605d80ab
commit b1ebe54b29
1 changed files with 35 additions and 21 deletions
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38
bgpd/bgp_bmp.c
View file

@ -752,11 +752,13 @@ static void bmp_mirror_cull(struct bmp_bgp *bmpbgp)
static int bmp_mirror_packet(struct peer *peer, uint8_t type, bgp_size_t size, static int bmp_mirror_packet(struct peer *peer, uint8_t type, bgp_size_t size,
struct stream *packet) struct stream *packet)
{ {
struct bmp_bgp *bmpbgp = bmp_bgp_find(peer->bgp); struct bmp_bgp *bmpbgp;
struct timeval tv; struct timeval tv;
struct bmp_mirrorq *qitem; struct bmp_mirrorq *qitem = NULL;
struct bmp_targets *bt; struct bmp_targets *bt;
struct bmp *bmp; struct bmp *bmp;
struct bgp *bgp_vrf;
struct listnode *node;
frrtrace(3, frr_bgp, bmp_mirror_packet, peer, type, packet); frrtrace(3, frr_bgp, bmp_mirror_packet, peer, type, packet);
@ -772,8 +774,6 @@ static int bmp_mirror_packet(struct peer *peer, uint8_t type, bgp_size_t size,
memcpy(bbpeer->open_rx, packet->data, size); memcpy(bbpeer->open_rx, packet->data, size);
} }
if (!bmpbgp)
return 0;
qitem = XCALLOC(MTYPE_BMP_MIRRORQ, sizeof(*qitem) + size); qitem = XCALLOC(MTYPE_BMP_MIRRORQ, sizeof(*qitem) + size);
qitem->peerid = peer->qobj_node.nid; qitem->peerid = peer->qobj_node.nid;
@ -781,27 +781,41 @@ static int bmp_mirror_packet(struct peer *peer, uint8_t type, bgp_size_t size,
qitem->len = size; qitem->len = size;
memcpy(qitem->data, packet->data, size); memcpy(qitem->data, packet->data, size);
frr_each(bmp_targets, &bmpbgp->targets, bt) { for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp_vrf)) {
bmpbgp = bmp_bgp_find(bgp_vrf);
if (!bmpbgp)
continue;
frr_each (bmp_targets, &bmpbgp->targets, bt) {
if (!bt->mirror) if (!bt->mirror)
continue; continue;
frr_each(bmp_session, &bt->sessions, bmp) {
if (bgp_vrf != peer->bgp && !bmp_imported_bgp_find(bt, peer->bgp->name))
continue;
frr_each (bmp_session, &bt->sessions, bmp) {
if (!qitem) {
qitem = XCALLOC(MTYPE_BMP_MIRRORQ, sizeof(*qitem) + size);
qitem->peerid = peer->qobj_node.nid;
qitem->tv = tv;
qitem->len = size;
memcpy(qitem->data, packet->data, size);
}
qitem->refcount++; qitem->refcount++;
if (!bmp->mirrorpos) if (!bmp->mirrorpos)
bmp->mirrorpos = qitem; bmp->mirrorpos = qitem;
pullwr_bump(bmp->pullwr); pullwr_bump(bmp->pullwr);
} }
}
if (qitem->refcount == 0)
XFREE(MTYPE_BMP_MIRRORQ, qitem);
else {
bmpbgp->mirror_qsize += sizeof(*qitem) + size; bmpbgp->mirror_qsize += sizeof(*qitem) + size;
bmp_mirrorq_add_tail(&bmpbgp->mirrorq, qitem); bmp_mirrorq_add_tail(&bmpbgp->mirrorq, qitem);
bmp_mirror_cull(bmpbgp); bmp_mirror_cull(bmpbgp);
bmpbgp->mirror_qsizemax = MAX(bmpbgp->mirror_qsizemax, bmpbgp->mirror_qsizemax = MAX(bmpbgp->mirror_qsizemax, bmpbgp->mirror_qsize);
bmpbgp->mirror_qsize);
} }
}
if (qitem && qitem->refcount == 0)
XFREE(MTYPE_BMP_MIRRORQ, qitem);
return 0; return 0;
} }