diff options
| author | Donatas Abraitis <donatas.abraitis@gmail.com> | 2021-02-25 19:46:49 +0200 |
|---|---|---|
| committer | Donatas Abraitis <donatas.abraitis@gmail.com> | 2021-03-04 21:32:36 +0200 |
| commit | ef56aee47c7da33db54bb8554ca71ac4247842d3 (patch) | |
| tree | 0ce8bfd360f8aa996bd883233ef1268f445b1ce3 /bgpd/bgp_packet.c | |
| parent | b764e4682a462e2e93196b42edc2f797713bb52e (diff) | |
bgpd: Add BGP Extended message support
Implement https://www.rfc-editor.org/rfc/rfc8654.txt
```
> | jq '."192.168.10.25".neighborCapabilities.extendedMessage'
"advertisedAndReceived"
```
Another side is Bird:
```
BIRD 2.0.7 ready.
Name Proto Table State Since Info
v4 BGP --- up 19:39:15.689 Established
BGP state: Established
Neighbor address: 192.168.10.123
Neighbor AS: 65534
Local AS: 65025
Neighbor ID: 192.168.100.1
Local capabilities
Multiprotocol
AF announced: ipv4
Route refresh
Extended message
Graceful restart
4-octet AS numbers
Enhanced refresh
Long-lived graceful restart
Neighbor capabilities
Multiprotocol
AF announced: ipv4
Route refresh
Extended message
Graceful restart
4-octet AS numbers
ADD-PATH
RX: ipv4
TX:
Enhanced refresh
Session: external AS4
Source address: 192.168.10.25
Hold timer: 140.139/180
Keepalive timer: 9.484/60
Channel ipv4
State: UP
Table: master4
Preference: 100
Input filter: ACCEPT
Output filter: ACCEPT
Routes: 9 imported, 3 exported, 8 preferred
Route change stats: received rejected filtered ignored accepted
Import updates: 9 0 0 0 9
Import withdraws: 2 0 --- 2 0
Export updates: 11 8 0 --- 3
Export withdraws: 0 --- --- --- 0
BGP Next hop: 192.168.10.25
```
Tested at least as well with to make sure it works with backward compat.:
ExaBGP 4.0.2-1c737d99.
Arista vEOS 4.21.14M
Testing by injecint 10k routes with:
```
sharp install routes 172.16.0.1 nexthop 192.168.10.123 10000
```
Before extended message support:
```
2021/03/01 07:18:51 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:51 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:51 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:51 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:51 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:51 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:52 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:52 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:52 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:52 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:52 BGP: u1:s1 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/03/01 07:18:52 BGP: u1:s1 send UPDATE len 2186 (max message len: 4096) numpfx 427
2021/03/01 07:18:53 BGP: u1:s1 send UPDATE len 3421 (max message len: 4096) numpfx 674
```
After extended message support:
```
2021/03/01 07:20:11 BGP: u1:s1 send UPDATE len 50051 (max message len: 65535) numpfx 10000
```
Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
Diffstat (limited to 'bgpd/bgp_packet.c')
| -rw-r--r-- | bgpd/bgp_packet.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/bgpd/bgp_packet.c b/bgpd/bgp_packet.c index c2e2de1c73..ff2cc26d42 100644 --- a/bgpd/bgp_packet.c +++ b/bgpd/bgp_packet.c @@ -144,7 +144,7 @@ static struct stream *bgp_update_packet_eor(struct peer *peer, afi_t afi, zlog_debug("send End-of-RIB for %s to %s", get_afi_safi_str(afi, safi, false), peer->host); - s = stream_new(BGP_MAX_PACKET_SIZE); + s = stream_new(peer->max_packet_size); /* Make BGP update packet. */ bgp_packet_set_marker(s, BGP_MSG_UPDATE); @@ -726,7 +726,7 @@ void bgp_notify_send_with_data(struct peer *peer, uint8_t code, /* ============================================== */ /* Allocate new stream. */ - s = stream_new(BGP_MAX_PACKET_SIZE); + s = stream_new(peer->max_packet_size); /* Make notify packet. */ bgp_packet_set_marker(s, BGP_MSG_NOTIFY); @@ -864,7 +864,7 @@ void bgp_route_refresh_send(struct peer *peer, afi_t afi, safi_t safi, /* Convert AFI, SAFI to values for packet. */ bgp_map_afi_safi_int2iana(afi, safi, &pkt_afi, &pkt_safi); - s = stream_new(BGP_MAX_PACKET_SIZE); + s = stream_new(peer->max_packet_size); /* Make BGP update packet. */ if (CHECK_FLAG(peer->cap, PEER_CAP_REFRESH_NEW_RCV)) @@ -963,7 +963,7 @@ void bgp_capability_send(struct peer *peer, afi_t afi, safi_t safi, /* Convert AFI, SAFI to values for packet. */ bgp_map_afi_safi_int2iana(afi, safi, &pkt_afi, &pkt_safi); - s = stream_new(BGP_MAX_PACKET_SIZE); + s = stream_new(peer->max_packet_size); /* Make BGP update packet. */ bgp_packet_set_marker(s, BGP_MSG_CAPABILITY); |