diff options
| author | Renato Westphal <renato@opensourcerouting.org> | 2017-04-22 10:55:27 -0300 |
|---|---|---|
| committer | Renato Westphal <renato@opensourcerouting.org> | 2017-04-26 10:37:15 -0300 |
| commit | 097e36bff70904ec081657a27200a98078c7a831 (patch) | |
| tree | 8e1eb5dc17e2a9f94de8bc0a9622eb835612bbb3 /ldpd/packet.c | |
| parent | 7c2abbd734a8dab416e378be7b200797b2331e47 (diff) | |
ldpd: allow targeted neighbors over any interface
It's doesn't make sense to enforce that a targeted-hello is received
on an LDP-enabled interface. It should be possible, for example, to use
LDP only to signal pseudowires and other another protocol (e.g. RSVP-TE)
to create end-to-end LSPs.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
Diffstat (limited to 'ldpd/packet.c')
| -rw-r--r-- | ldpd/packet.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/ldpd/packet.c b/ldpd/packet.c index 75e1a9a027..df6bd8e57a 100644 --- a/ldpd/packet.c +++ b/ldpd/packet.c @@ -27,7 +27,7 @@ #include "sockopt.h" static struct iface *disc_find_iface(unsigned int, int, - union ldpd_addr *, int); + union ldpd_addr *); static int session_read(struct thread *); static int session_write(struct thread *); static ssize_t session_get_pdu(struct ibuf_read *, char **); @@ -134,7 +134,7 @@ disc_recv_packet(struct thread *thread) int af; union ldpd_addr src; unsigned int ifindex = 0; - struct iface *iface; + struct iface *iface = NULL; uint16_t len; struct ldp_hdr ldp_hdr; uint16_t pdu_len; @@ -212,9 +212,11 @@ disc_recv_packet(struct thread *thread) ifindex = getsockopt_ifindex(af, &m); /* find a matching interface */ - iface = disc_find_iface(ifindex, af, &src, multicast); - if (iface == NULL) - return (0); + if (multicast) { + iface = disc_find_iface(ifindex, af, &src); + if (iface == NULL) + return (0); + } /* check packet size */ len = (uint16_t)r; @@ -280,8 +282,7 @@ disc_recv_packet(struct thread *thread) } static struct iface * -disc_find_iface(unsigned int ifindex, int af, union ldpd_addr *src, - int multicast) +disc_find_iface(unsigned int ifindex, int af, union ldpd_addr *src) { struct iface *iface; struct iface_af *ia; @@ -299,7 +300,7 @@ disc_find_iface(unsigned int ifindex, int af, union ldpd_addr *src, * "Link-local IPv6 address MUST be used as the source IP address in * IPv6 LDP Link Hellos". */ - if (multicast && af == AF_INET6 && !IN6_IS_ADDR_LINKLOCAL(&src->v6)) + if (af == AF_INET6 && !IN6_IS_ADDR_LINKLOCAL(&src->v6)) return (NULL); return (iface); |