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BFD protocol, ready for release.

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Supports OSPF and BGP and also statically configured sessions.
This commit is contained in:
Ondrej Zajicek
2013-11-19 22:33:48 +01:00
parent 0e175f9f0f
commit 1ec522538f
25 changed files with 1043 additions and 227 deletions
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37
proto/bfd/packets.c
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@@ -62,7 +62,7 @@ bfd_format_flags(u8 flags, char *buf)
void
bfd_send_ctl(struct bfd_proto *p, struct bfd_session *s, int final)
{
sock *sk = s->bsock->sk;
sock *sk = s->ifa->sk;
struct bfd_ctl_packet *pkt = (struct bfd_ctl_packet *) sk->tbuf;
char fb[8];
@@ -143,7 +143,7 @@ bfd_rx_hook(sock *sk, int len)
s = bfd_find_session_by_addr(p, sk->faddr);
/* FIXME: better session matching and message */
if (!s || !s->opened)
if (!s)
return 1;
}
@@ -155,7 +155,7 @@ bfd_rx_hook(sock *sk, int len)
u32 old_tx_int = s->des_min_tx_int;
u32 old_rx_int = s->rem_min_rx_int;
s->rem_id = ntohl(pkt->snd_id);
s->rem_id= ntohl(pkt->snd_id);
s->rem_state = bfd_pkt_get_state(pkt);
s->rem_diag = bfd_pkt_get_diag(pkt);
s->rem_demand_mode = pkt->flags & BFD_FLAG_DEMAND;
@@ -213,7 +213,7 @@ bfd_open_rx_sk(struct bfd_proto *p, int multihop)
return NULL;
}
static inline sock *
sock *
bfd_open_tx_sk(struct bfd_proto *p, ip_addr local, struct iface *ifa)
{
sock *sk = sk_new(p->tpool);
@@ -246,32 +246,3 @@ bfd_open_tx_sk(struct bfd_proto *p, ip_addr local, struct iface *ifa)
rfree(sk);
return NULL;
}
struct bfd_socket *
bfd_get_socket(struct bfd_proto *p, ip_addr local, struct iface *ifa)
{
struct bfd_socket *sk;
WALK_LIST(sk, p->sock_list)
if (ipa_equal(sk->sk->saddr, local) && (sk->sk->iface == ifa))
return sk->uc++, sk;
sk = mb_allocz(p->tpool, sizeof(struct bfd_socket));
sk->sk = bfd_open_tx_sk(p, local, ifa);
sk->uc = 1;
add_tail(&p->sock_list, &sk->n);
return sk;
}
void
bfd_free_socket(struct bfd_socket *sk)
{
if (!sk || --sk->uc)
return;
rem_node(&sk->n);
sk_stop(sk->sk);
rfree(sk->sk);
mb_free(sk);
}