diff options
| author | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-08-13 18:22:07 +0200 |
|---|---|---|
| committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-08-14 06:02:33 +0200 |
| commit | b7d7599ce3576f28310af18b403fed49a0840b67 (patch) | |
| tree | 7d7dc8f052d564c3fdbc49eea529f22850ab44ff /proto/bgp | |
| parent | dfe63ed84d42178a53b01071c64f23250e74d6d9 (diff) | |
BGP: implement Adj-RIB-Out
The patch implements optional internal export table to a channel and
hooks it to BGP so it can be used as Adj-RIB-Out. When enabled, all
exported (post-filtered) routes are stored there. An export table can be
examined using e.g. 'show route export table bgp1.ipv4'.
Diffstat (limited to 'proto/bgp')
| -rw-r--r-- | proto/bgp/bgp.c | 4 | ||||
| -rw-r--r-- | proto/bgp/bgp.h | 1 | ||||
| -rw-r--r-- | proto/bgp/config.Y | 1 |
3 files changed, 6 insertions, 0 deletions
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c index c08e5ee9..01f61e81 100644 --- a/proto/bgp/bgp.c +++ b/proto/bgp/bgp.c @@ -1721,6 +1721,9 @@ bgp_channel_start(struct channel *C) if (c->cf->import_table) channel_setup_in_table(C); + if (c->cf->export_table) + channel_setup_out_table(C); + c->stale_timer = tm_new_init(c->pool, bgp_long_lived_stale_timeout, c, 0, 0); c->next_hop_addr = c->cf->next_hop_addr; @@ -2067,6 +2070,7 @@ bgp_channel_reconfigure(struct channel *C, struct channel_config *CC, int *impor (new->ext_next_hop != old->ext_next_hop) || (new->add_path != old->add_path) || (new->import_table != old->import_table) || + (new->export_table != old->export_table) || (IGP_TABLE(new, ip4) != IGP_TABLE(old, ip4)) || (IGP_TABLE(new, ip6) != IGP_TABLE(old, ip6))) return 0; diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index 2651677c..f9a19d53 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -150,6 +150,7 @@ struct bgp_channel_config { u8 ext_next_hop; /* Allow both IPv4 and IPv6 next hops */ u8 add_path; /* Use ADD-PATH extension [RFC 7911] */ u8 import_table; /* Use c.in_table as Adj-RIB-In */ + u8 export_table; /* Use c.out_table as Adj-RIB-Out */ struct rtable_config *igp_table_ip4; /* Table for recursive IPv4 next hop lookups */ struct rtable_config *igp_table_ip6; /* Table for recursive IPv6 next hop lookups */ diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y index bbc7d9a4..1407315d 100644 --- a/proto/bgp/config.Y +++ b/proto/bgp/config.Y @@ -255,6 +255,7 @@ bgp_channel_item: | ADD PATHS TX { BGP_CC->add_path = BGP_ADD_PATH_TX; } | ADD PATHS bool { BGP_CC->add_path = $3 ? BGP_ADD_PATH_FULL : 0; } | IMPORT TABLE bool { BGP_CC->import_table = $3; } + | EXPORT TABLE bool { BGP_CC->export_table = $3; } | IGP TABLE rtable { if (BGP_CC->desc->no_igp) cf_error("IGP table not allowed here"); |