diff options
Diffstat (limited to 'proto/bgp')
-rw-r--r-- | proto/bgp/attrs.c | 32 | ||||
-rw-r--r-- | proto/bgp/bgp.c | 22 | ||||
-rw-r--r-- | proto/bgp/bgp.h | 2 | ||||
-rw-r--r-- | proto/bgp/config.Y | 2 | ||||
-rw-r--r-- | proto/bgp/packets.c | 6 |
5 files changed, 35 insertions, 29 deletions
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index 4cfabf1..9bcd4f8 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -47,7 +47,7 @@ bgp_check_origin(struct bgp_proto *p UNUSED, byte *a, int len UNUSED) } static void -bgp_format_origin(eattr *a, byte *buf, int buflen) +bgp_format_origin(eattr *a, byte *buf, int buflen UNUSED) { static char *bgp_origin_names[] = { "IGP", "EGP", "Incomplete" }; @@ -257,14 +257,14 @@ static struct attr_desc bgp_attr_table[] = { NULL, NULL }, { "cluster_list", -1, BAF_OPTIONAL, EAF_TYPE_INT_SET, 0, /* BA_CLUSTER_LIST */ bgp_check_cluster_list, bgp_format_cluster_list }, - { NULL, }, /* BA_DPA */ - { NULL, }, /* BA_ADVERTISER */ - { NULL, }, /* BA_RCID_PATH */ + { .name = NULL }, /* BA_DPA */ + { .name = NULL }, /* BA_ADVERTISER */ + { .name = NULL }, /* BA_RCID_PATH */ { "mp_reach_nlri", -1, BAF_OPTIONAL, EAF_TYPE_OPAQUE, 1, /* BA_MP_REACH_NLRI */ bgp_check_reach_nlri, NULL }, { "mp_unreach_nlri", -1, BAF_OPTIONAL, EAF_TYPE_OPAQUE, 1, /* BA_MP_UNREACH_NLRI */ bgp_check_unreach_nlri, NULL }, - { NULL, }, /* BA_EXTENDED_COMM */ + { .name = NULL }, /* BA_EXTENDED_COMM */ { "as4_path", -1, BAF_OPTIONAL | BAF_TRANSITIVE, EAF_TYPE_OPAQUE, 1, /* BA_AS4_PATH */ NULL, NULL }, { "as4_aggregator", -1, BAF_OPTIONAL | BAF_TRANSITIVE, EAF_TYPE_OPAQUE, 1, /* BA_AS4_PATH */ @@ -772,7 +772,7 @@ bgp_free_bucket(struct bgp_proto *p, struct bgp_bucket *buck) } void -bgp_rt_notify(struct proto *P, net *n, rte *new, rte *old UNUSED, ea_list *attrs) +bgp_rt_notify(struct proto *P, rtable *tbl UNUSED, net *n, rte *new, rte *old UNUSED, ea_list *attrs) { struct bgp_proto *p = (struct bgp_proto *) P; struct bgp_bucket *buck; @@ -1070,16 +1070,6 @@ bgp_rte_better(rte *new, rte *old) /* Skipping RFC 4271 9.1.2.2. e) */ /* We don't have interior distances */ - /* RFC 4456 9. b) Compare cluster list lengths */ - x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_CLUSTER_LIST)); - y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_CLUSTER_LIST)); - n = x ? int_set_get_size(x->u.ptr) : 0; - o = y ? int_set_get_size(y->u.ptr) : 0; - if (n < o) - return 1; - if (n > o) - return 0; - /* RFC 4271 9.1.2.2. f) Compare BGP identifiers */ /* RFC 4456 9. a) Use ORIGINATOR_ID instead of local neighor ID */ x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_ORIGINATOR_ID)); @@ -1099,6 +1089,16 @@ bgp_rte_better(rte *new, rte *old) if (n > o) return 0; + /* RFC 4456 9. b) Compare cluster list lengths */ + x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_CLUSTER_LIST)); + y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_CLUSTER_LIST)); + n = x ? int_set_get_size(x->u.ptr) : 0; + o = y ? int_set_get_size(y->u.ptr) : 0; + if (n < o) + return 1; + if (n > o) + return 0; + /* RFC 4271 9.1.2.2. g) Compare peer IP adresses */ return (ipa_compare(new_bgp->cf->remote_ip, old_bgp->cf->remote_ip) < 0); } diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c index 215dc81..4410c04 100644 --- a/proto/bgp/bgp.c +++ b/proto/bgp/bgp.c @@ -203,7 +203,7 @@ bgp_start_timer(timer *t, int value) void bgp_close_conn(struct bgp_conn *conn) { - struct bgp_proto *p = conn->bgp; + // struct bgp_proto *p = conn->bgp; DBG("BGP: Closing connection\n"); conn->packets_to_send = 0; @@ -237,7 +237,7 @@ bgp_update_startup_delay(struct bgp_proto *p) DBG("BGP: Updating startup delay\n"); - if (p->last_proto_error && ((now - p->last_proto_error) >= cf->error_amnesia_time)) + if (p->last_proto_error && ((now - p->last_proto_error) >= (int) cf->error_amnesia_time)) p->startup_delay = 0; p->last_proto_error = now; @@ -492,7 +492,7 @@ bgp_setup_conn(struct bgp_proto *p, struct bgp_conn *conn) } static void -bgp_setup_sk(struct bgp_proto *p, struct bgp_conn *conn, sock *s) +bgp_setup_sk(struct bgp_conn *conn, sock *s) { s->data = conn; s->err_hook = bgp_sock_err; @@ -555,7 +555,7 @@ bgp_connect(struct bgp_proto *p) /* Enter Connect state and start establishing c s->tx_hook = bgp_connected; BGP_TRACE(D_EVENTS, "Connecting to %I from local address %I", s->daddr, s->saddr); bgp_setup_conn(p, conn); - bgp_setup_sk(p, conn, s); + bgp_setup_sk(conn, s); bgp_conn_set_state(conn, BS_CONNECT); if (sk_open(s)) { @@ -601,7 +601,7 @@ bgp_incoming_connection(sock *sk, int dummy UNUSED) goto err; bgp_setup_conn(p, &p->incoming_conn); - bgp_setup_sk(p, &p->incoming_conn, sk); + bgp_setup_sk(&p->incoming_conn, sk); sk_set_ttl(sk, p->cf->multihop ? : 1); bgp_send_open(&p->incoming_conn); return 0; @@ -614,6 +614,15 @@ bgp_incoming_connection(sock *sk, int dummy UNUSED) return 0; } +static void +bgp_listen_sock_err(sock *sk UNUSED, int err) +{ + if (err == ECONNABORTED) + log(L_WARN "BGP: Incoming connection aborted"); + else + log(L_ERR "BGP: Error on incoming socket: %M", err); +} + static sock * bgp_setup_listen_sk(ip_addr addr, unsigned port, u32 flags) { @@ -627,9 +636,10 @@ bgp_setup_listen_sk(ip_addr addr, unsigned port, u32 flags) s->rbsize = BGP_RX_BUFFER_SIZE; s->tbsize = BGP_TX_BUFFER_SIZE; s->rx_hook = bgp_incoming_connection; + s->err_hook = bgp_listen_sock_err; if (sk_open(s)) { - log(L_ERR "Unable to open incoming BGP socket"); + log(L_ERR "BGP: Unable to open incoming socket"); rfree(s); return NULL; } diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index 7f574ed..1a29195 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -179,7 +179,7 @@ byte *bgp_attach_attr_wa(struct ea_list **to, struct linpool *pool, unsigned att struct rta *bgp_decode_attrs(struct bgp_conn *conn, byte *a, unsigned int len, struct linpool *pool, int mandatory); int bgp_get_attr(struct eattr *e, byte *buf, int buflen); int bgp_rte_better(struct rte *, struct rte *); -void bgp_rt_notify(struct proto *, struct network *, struct rte *, struct rte *, struct ea_list *); +void bgp_rt_notify(struct proto *P, rtable *tbl UNUSED, net *n, rte *new, rte *old UNUSED, ea_list *attrs); int bgp_import_control(struct proto *, struct rte **, struct ea_list **, struct linpool *); void bgp_attr_init(struct bgp_proto *); unsigned int bgp_encode_attrs(struct bgp_proto *p, byte *w, ea_list *attrs, int remains); diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y index 095e1ce..f882aaa 100644 --- a/proto/bgp/config.Y +++ b/proto/bgp/config.Y @@ -59,7 +59,7 @@ bgp_proto: BGP_CFG->remote_ip = $3; BGP_CFG->remote_as = $5; } - | bgp_proto RR CLUSTER ID expr ';' { BGP_CFG->rr_cluster_id = $5; } + | bgp_proto RR CLUSTER ID idval ';' { BGP_CFG->rr_cluster_id = $5; } | bgp_proto RR CLIENT ';' { BGP_CFG->rr_client = 1; } | bgp_proto RS CLIENT ';' { BGP_CFG->rs_client = 1; } | bgp_proto HOLD TIME expr ';' { BGP_CFG->hold_time = $4; } diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c index 329efb3..2baa6e3 100644 --- a/proto/bgp/packets.c +++ b/proto/bgp/packets.c @@ -44,7 +44,6 @@ static byte * mrt_put_bgp4_hdr(byte *buf, struct bgp_conn *conn, int as4) { struct bgp_proto *p = conn->bgp; - ip_addr local_addr; if (as4) { @@ -614,7 +613,7 @@ bgp_tx(sock *sk) void bgp_parse_capabilities(struct bgp_conn *conn, byte *opt, int len) { - struct bgp_proto *p = conn->bgp; + // struct bgp_proto *p = conn->bgp; int cl; while (len > 0) @@ -915,7 +914,6 @@ bgp_do_rx_update(struct bgp_conn *conn, rta *a = NULL; ip_addr prefix; net *n; - rte e; int err = 0, pxlen; p->mp_reach_len = 0; @@ -937,8 +935,6 @@ bgp_do_rx_update(struct bgp_conn *conn, DO_NLRI(mp_reach) { - int i; - /* Create fake NEXT_HOP attribute */ if (len < 1 || (*x != 16 && *x != 32) || len < *x + 2) goto bad; |