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BGP: protocol specific state information cleanup

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This commit is contained in:
Maria Matejka 2024-11-20 20:04:33 +01:00
parent 74800729c0
commit d2ad795c1e
3 changed files with 29 additions and 63 deletions
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7
proto/bgp/attrs.c
View File

@ -1303,11 +1303,6 @@ struct ea_class ea_bgp_close_bmp = {
.type = T_OPAQUE,
};
struct ea_class ea_bgp_close_bmp_set = {
.name = "bgp_close_bmp_set",
.type = T_INT,
};
struct ea_class ea_bgp_as4_session = {
.name = "bgp_as4_session",
.type = T_INT,
@ -1346,7 +1341,7 @@ bgp_register_attrs(void)
EA_REGISTER_ALL(
&ea_bgp_rem_id, &ea_bgp_rem_as, &ea_bgp_loc_as, &ea_bgp_rem_ip, &ea_bgp_peer_type, &ea_bgp_afi,
&ea_bgp_in_conn_local_open_msg, &ea_bgp_out_conn_local_open_msg, &ea_bgp_in_conn_remote_open_msg,
&ea_bgp_out_conn_remote_open_msg, &ea_bgp_close_bmp, &ea_bgp_close_bmp_set, &ea_bgp_as4_session,
&ea_bgp_out_conn_remote_open_msg, &ea_bgp_close_bmp, &ea_bgp_as4_session,
&ea_bgp_state_startup, &ea_bgp_in_conn_state, &ea_bgp_out_conn_state,
&ea_bgp_in_conn_sk, &ea_bgp_out_conn_sk, &ea_bgp_as4_in_conn, &ea_bgp_as4_out_conn
);

72
proto/bgp/bgp.c
View File

@ -837,30 +837,20 @@ bgp_conn_leave_established_state(struct bgp_conn *conn, struct bgp_proto *p)
if (p->p.proto_state == PS_UP)
bgp_stop(p, 0, NULL, 0);
#ifdef CONFIG_BMP
struct {
struct closing_bgp closing_struct;
byte data[conn->notify_size];
} to_ea;
to_ea.closing_struct = (struct closing_bgp) {
.err_class = p->last_error_class,
.err_code = conn->notify_code,
.err_subcode = conn->notify_subcode,
.length = conn->notify_size,
uint adsz;
struct bgp_session_close_ad *bscad = alloca(adsz = sizeof *bscad + conn->notify_size);
*bscad = (struct bgp_session_close_ad) {
.ad.length = adsz - sizeof(adata),
.last_error_class = p->last_error_class,
.notify_code = conn->notify_code,
.notify_subcode = conn->notify_subcode,
};
memcpy(to_ea.data, conn->notify_data, conn->notify_size);
memcpy(bscad->data, conn->notify_data, conn->notify_size);
ea_set_attr(&p->p.ea_state, EA_LITERAL_STORE_ADATA(&ea_bgp_close_bmp, 0, &to_ea.closing_struct, sizeof(to_ea)));
ea_set_attr(&p->p.ea_state, EA_LITERAL_EMBEDDED(&ea_bgp_close_bmp_set, 0, 1));
ea_set_attr(&p->p.ea_state, EA_LITERAL_DIRECT_ADATA(&ea_bgp_close_bmp, 0, &bscad->ad));
p->p.ea_state = ea_lookup(p->p.ea_state, 0, EALS_CUSTOM);
proto_announce_state_later(&p->p, p->p.ea_state);
//bmp_peer_down(p, p->last_error_class,
// conn->notify_code, conn->notify_subcode,
// conn->notify_data, conn->notify_size);
#endif
}
void
@ -1274,21 +1264,24 @@ bgp_setup_sk(struct bgp_conn *conn, sock *s)
s->fast_rx = 1;
conn->sk = s;
struct bgp_conn_sk_ea sk_ea = {
struct bgp_conn_sk_ad sk_ad = {
.ad = { .length = sizeof sk_ad - sizeof sk_ad.ad },
.saddr = s->saddr,
.daddr = s->daddr,
.sport = s->sport,
.dport = s->dport
.dport = s->dport,
};
ea_list *attr = conn->bgp->p.ea_state;
if (conn == &conn->bgp->incoming_conn)
ea_set_attr(&attr, EA_LITERAL_STORE_ADATA(&ea_bgp_in_conn_sk, 0, (byte*)(&sk_ea), sizeof(sk_ea)));
ea_set_attr(&attr, EA_LITERAL_DIRECT_ADATA(&ea_bgp_in_conn_sk, 0, &sk_ad.ad));
else
{
ASSERT_DIE(conn == &conn->bgp->outgoing_conn);
ea_set_attr(&attr, EA_LITERAL_STORE_ADATA(&ea_bgp_out_conn_sk, 0, (byte*)(&sk_ea), sizeof(sk_ea)));
ea_set_attr(&attr, EA_LITERAL_DIRECT_ADATA(&ea_bgp_out_conn_sk, 0, &sk_ad.ad));
}
conn->bgp->p.ea_state = ea_lookup(conn->bgp->p.ea_state, 0, EALS_CUSTOM);
proto_announce_state_later(&conn->bgp->p, attr);
}
@ -1994,9 +1987,12 @@ bgp_init(struct proto_config *CF)
/* Add MPLS channel */
proto_configure_mpls_channel(P, CF, RTS_BGP);
PST_LOCKED(ts)
bgp_state_to_eattr(P, ts->states[P->id]);
ea_set_attr(&p->p.ea_state, EA_LITERAL_STORE_ADATA(&ea_bgp_rem_ip, 0, &cf->remote_ip, sizeof(ip_addr)));
ea_set_attr(&p->p.ea_state, EA_LITERAL_EMBEDDED(&ea_bgp_peer_type, 0, cf->peer_type));
ea_set_attr(&p->p.ea_state, EA_LITERAL_EMBEDDED(&ea_bgp_loc_as, 0, cf->local_as));
ea_set_attr(&p->p.ea_state, EA_LITERAL_EMBEDDED(&ea_bgp_rem_as, 0, cf->remote_as));
proto_announce_state_later(&p->p, p->p.ea_state);
return P;
}
@ -2463,11 +2459,6 @@ bgp_reconfigure(struct proto *P, struct proto_config *CF)
/* We should update our copy of configuration ptr as old configuration will be freed */
p->cf = new;
ea_list *eal = proto_get_state(p->p.id);
ea_set_attr(&eal, EA_LITERAL_EMBEDDED(&ea_bgp_peer_type, 0, p->cf->peer_type));
p->p.ea_state = ea_lookup(p->p.ea_state, 0, EALS_CUSTOM);
proto_announce_state_later(&p->p, eal);
/* Check whether existing connections are compatible with required capabilities */
struct bgp_conn *ci = &p->incoming_conn;
if (((ci->state == BS_OPENCONFIRM) || (ci->state == BS_ESTABLISHED)) && !bgp_check_capabilities(ci))
@ -2674,27 +2665,6 @@ bgp_get_status(struct proto *P, byte *buf)
bsprintf(buf, "%-14s%s%s", bgp_state_dsc(p), err1, err2);
}
int
bgp_state_to_eattr(struct proto *P, struct ea_list *state)
{
struct bgp_proto *p = (struct bgp_proto *) P;
ea_set_attr(&state, EA_LITERAL_EMBEDDED(&ea_bgp_rem_id, 0, p->remote_id));
ea_set_attr(&state, EA_LITERAL_STORE_ADATA(&ea_bgp_rem_ip, 0, &p->remote_ip, sizeof(ip_addr)));
ea_set_attr(&state, EA_LITERAL_EMBEDDED(&ea_bgp_peer_type, 0, p->cf->peer_type));
ea_set_attr(&state, EA_LITERAL_EMBEDDED(&ea_bgp_loc_as, 0, p->local_as));
ea_set_attr(&state, EA_LITERAL_EMBEDDED(&ea_bgp_rem_as, 0, p->remote_as));
ea_set_attr(&state, EA_LITERAL_EMBEDDED(&ea_bgp_as4_session, 0, p->as4_session));
ea_set_attr(&state, EA_LITERAL_STORE_ADATA(&ea_bgp_in_conn_local_open_msg, 0, NULL, 0));
ea_set_attr(&state, EA_LITERAL_STORE_ADATA(&ea_bgp_in_conn_remote_open_msg, 0, NULL, 0));
ea_set_attr(&state, EA_LITERAL_STORE_ADATA(&ea_bgp_out_conn_local_open_msg, 0, NULL, 0));
ea_set_attr(&state, EA_LITERAL_STORE_ADATA(&ea_bgp_out_conn_remote_open_msg, 0, NULL, 0));
ea_set_attr(&state, EA_LITERAL_STORE_ADATA(&ea_bgp_close_bmp, 0, NULL, 0));
ea_set_attr(&state, EA_LITERAL_EMBEDDED(&ea_bgp_close_bmp_set, 0, 0));
return 1;
}
static void
bgp_show_afis(int code, char *s, u32 *afis, uint count)
{

13
proto/bgp/bgp.h
View File

@ -319,18 +319,19 @@ struct bgp_conn {
uint hold_time, keepalive_time, send_hold_time; /* Times calculated from my and neighbor's requirements */
};
struct bgp_conn_sk_ea {
struct bgp_conn_sk_ad {
adata ad;
ip_addr saddr;
ip_addr daddr;
int sport;
int dport;
};
struct closing_bgp {
int err_class;
int err_code;
int err_subcode;
int length;
struct bgp_session_close_ad {
adata ad;
int notify_code;
int notify_subcode;
u8 last_error_class;
byte data[0];
};