diff options
Diffstat (limited to 'proto/bgp')
-rw-r--r-- | proto/bgp/bgp.c | 63 | ||||
-rw-r--r-- | proto/bgp/bgp.h | 1 | ||||
-rw-r--r-- | proto/bgp/config.Y | 6 | ||||
-rw-r--r-- | proto/bgp/packets.c | 3 |
4 files changed, 40 insertions, 33 deletions
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c index 4dd4b7be..cf743dff 100644 --- a/proto/bgp/bgp.c +++ b/proto/bgp/bgp.c @@ -542,22 +542,6 @@ bgp_active(struct bgp_proto *p) bgp_start_timer(conn->connect_retry_timer, delay); } -int -bgp_apply_limits(struct bgp_proto *p) -{ - if (p->cf->route_limit && (p->p.stats.imp_routes > p->cf->route_limit)) - { - log(L_WARN "%s: Route limit exceeded, shutting down", p->p.name); - bgp_store_error(p, NULL, BE_AUTO_DOWN, BEA_ROUTE_LIMIT_EXCEEDED); - bgp_update_startup_delay(p); - bgp_stop(p, 1); // Errcode 6, 1 - max number of prefixes reached - return -1; - } - - return 0; -} - - /** * bgp_connect - initiate an outgoing connection * @p: BGP instance @@ -868,24 +852,46 @@ static int bgp_shutdown(struct proto *P) { struct bgp_proto *p = (struct bgp_proto *) P; - unsigned subcode; + unsigned subcode = 0; BGP_TRACE(D_EVENTS, "Shutdown requested"); - bgp_store_error(p, NULL, BE_MAN_DOWN, 0); - if (P->reconfiguring) + switch (P->down_code) { - if (P->cf_new) - subcode = 6; // Errcode 6, 6 - other configuration change + case PDC_CF_REMOVE: + case PDC_CF_DISABLE: + subcode = 3; // Errcode 6, 3 - peer de-configured + break; + + case PDC_CF_RESTART: + subcode = 6; // Errcode 6, 6 - other configuration change + break; + + case PDC_CMD_DISABLE: + subcode = 2; // Errcode 6, 2 - administrative shutdown + break; + + case PDC_CMD_RESTART: + subcode = 4; // Errcode 6, 4 - administrative reset + break; + + case PDC_IN_LIMIT_HIT: + subcode = 1; // Errcode 6, 1 - max number of prefixes reached + log(L_WARN "%s: Route limit exceeded, shutting down", p->p.name); + + bgp_store_error(p, NULL, BE_AUTO_DOWN, BEA_ROUTE_LIMIT_EXCEEDED); + if (P->cf->in_limit->action == PLA_RESTART) + bgp_update_startup_delay(p); else - subcode = 3; // Errcode 6, 3 - peer de-configured + p->startup_delay = 0; + goto done; } - else - subcode = 2; // Errcode 6, 2 - administrative shutdown + bgp_store_error(p, NULL, BE_MAN_DOWN, 0); p->startup_delay = 0; - bgp_stop(p, subcode); + done: + bgp_stop(p, subcode); return p->p.proto_state; } @@ -969,6 +975,10 @@ bgp_check_config(struct bgp_config *c) /* Different default for gw_mode */ if (!c->gw_mode) c->gw_mode = (c->multihop || internal) ? GW_RECURSIVE : GW_DIRECT; + + /* Disable after error incompatible with restart limit action */ + if (c->c.in_limit && (c->c.in_limit->action == PLA_RESTART) && c->disable_after_error) + c->c.in_limit->action = PLA_DISABLE; } static int @@ -1116,9 +1126,6 @@ bgp_get_status(struct proto *P, byte *buf) bsprintf(buf, "%-14s%s%s", bgp_state_dsc(p), err1, err2); } -static inline bird_clock_t tm_remains(timer *t) -{ return t->expires ? t->expires - now : 0; } - static void bgp_show_proto_info(struct proto *P) { diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index a8c5818e..aa2db4b0 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -152,7 +152,6 @@ void bgp_conn_enter_established_state(struct bgp_conn *conn); void bgp_conn_enter_close_state(struct bgp_conn *conn); void bgp_conn_enter_idle_state(struct bgp_conn *conn); void bgp_store_error(struct bgp_proto *p, struct bgp_conn *c, u8 class, u32 code); -int bgp_apply_limits(struct bgp_proto *p); void bgp_stop(struct bgp_proto *p, unsigned subcode); diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y index 78ca52de..5feaea0d 100644 --- a/proto/bgp/config.Y +++ b/proto/bgp/config.Y @@ -98,7 +98,11 @@ bgp_proto: | bgp_proto CAPABILITIES bool ';' { BGP_CFG->capabilities = $3; } | bgp_proto ADVERTISE IPV4 bool ';' { BGP_CFG->advertise_ipv4 = $4; } | bgp_proto PASSWORD TEXT ';' { BGP_CFG->password = $3; } - | bgp_proto ROUTE LIMIT expr ';' { BGP_CFG->route_limit = $4; } + | bgp_proto ROUTE LIMIT expr ';' { + this_proto->in_limit = cfg_allocz(sizeof(struct proto_limit)); + this_proto->in_limit->limit = $4; + this_proto->in_limit->action = PLA_RESTART; + } | bgp_proto PASSIVE bool ';' { BGP_CFG->passive = $3; } | bgp_proto INTERPRET COMMUNITIES bool ';' { BGP_CFG->interpret_communities = $4; } | bgp_proto IGP TABLE rtable ';' { BGP_CFG->igp_table = $4; } diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c index d3e9b6a1..168025d0 100644 --- a/proto/bgp/packets.c +++ b/proto/bgp/packets.c @@ -915,9 +915,6 @@ bgp_do_rx_update(struct bgp_conn *conn, if (n = net_find(p->p.table, prefix, pxlen)) rte_update(p->p.table, n, &p->p, &p->p, NULL); } - - if (bgp_apply_limits(p) < 0) - goto done; } done: |