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| author | Donatas Abraitis <donatas.abraitis@gmail.com> | 2020-01-17 15:04:18 +0100 |
|---|---|---|
| committer | Donatas Abraitis <donatas.abraitis@gmail.com> | 2020-01-17 15:20:28 +0100 |
| commit | fde246e8353af2c870c1ec833a63f6cc7f8d8144 (patch) | |
| tree | abfdc9717cf2710571a47856bfda153772d4e680 /bgpd/bgp_updgrp_packet.c | |
| parent | doc: Add some words about `neighbor <X> maximum-prefix-out` cmd (diff) | |
| download | frr-fde246e8353af2c870c1ec833a63f6cc7f8d8144.tar.xz frr-fde246e8353af2c870c1ec833a63f6cc7f8d8144.zip | |
bgpd: Add an option to limit outgoing prefixes
Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
Diffstat (limited to 'bgpd/bgp_updgrp_packet.c')
| -rw-r--r-- | bgpd/bgp_updgrp_packet.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/bgpd/bgp_updgrp_packet.c b/bgpd/bgp_updgrp_packet.c index 9329c8d89..39eb06528 100644 --- a/bgpd/bgp_updgrp_packet.c +++ b/bgpd/bgp_updgrp_packet.c @@ -744,6 +744,22 @@ struct bpacket *subgroup_update_packet(struct update_subgroup *subgrp) addpath_tx_id = adj->addpath_tx_id; path = adv->pathi; + /* Check if we need to add a prefix to the packet if + * maximum-prefix-out is set for the peer. + */ + if (CHECK_FLAG(peer->af_flags[afi][safi], + PEER_FLAG_MAX_PREFIX_OUT) + && subgrp->scount >= peer->pmax_out[afi][safi]) { + if (BGP_DEBUG(update, UPDATE_OUT) + || BGP_DEBUG(update, UPDATE_PREFIX)) { + zlog_debug( + "%s reached maximum prefix to be send (%" PRIu32 + ")", + peer->host, peer->pmax_out[afi][safi]); + } + goto next; + } + space_remaining = STREAM_CONCAT_REMAIN(s, snlri, STREAM_SIZE(s)) - BGP_MAX_PACKET_SIZE_OVERFLOW; space_needed = @@ -894,7 +910,7 @@ struct bpacket *subgroup_update_packet(struct update_subgroup *subgrp) subgrp->scount++; adj->attr = bgp_attr_intern(adv->baa->attr); - +next: adv = bgp_advertise_clean_subgroup(subgrp, adj); } |