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Merge commit '300e4008f02382b87409dabb52a317b8336de55b' into integrated

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Conflicts:

	nest/neighbor.c
This commit is contained in:
Ondrej Zajicek 2014-04-29 16:40:23 +02:00
commit 91ea1b134b
6 changed files with 48 additions and 18 deletions
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3
doc/bird.sgml
View File

@ -707,6 +707,9 @@ This argument can be omitted if there exists only a single instance.
that is routes, their metrics and (in case the <cf/all/ switch is given)
all their attributes.
<tag>show bfd sessions [<m/name/]</tag>
Show information about BFD sessions.
<p>You can specify a <m/prefix/ if you want to print routes for a
specific network. If you use <cf>for <m/prefix or IP/</cf>, you'll get
the entry which will be used for forwarding of packets to the given

21
misc/bird.init
View File

@ -22,14 +22,19 @@
BIRD4="yes"
BIRD6="yes"
BIRD4ARGS=
BIRD6ARGS=
[ -f /etc/bird.conf ] || BIRD4="no"
[ -f /usr/sbin/bird ] || BIRD4="no"
[ "${NETWORKING}" = "yes" ] || BIRD4="no"
[ -f /etc/bird-6.conf ] || BIRD6="no"
[ -f /etc/bird6.conf ] || BIRD6="no"
[ -f /usr/sbin/bird6 ] || BIRD6="no"
[ "${NETWORKING_IPV6}" = "yes" ] || BIRD6="no"
[ -e /etc/sysconfig/bird ] && . /etc/sysconfig/bird
RETVAL=0
# See how we were called.
@ -38,7 +43,7 @@ case "$1" in
if [ "$BIRD4" = "yes" ]
then
echo -n "Starting BIRD for IPv4: "
daemon bird
daemon bird ${BIRD4ARGS}
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/bird
@ -46,7 +51,7 @@ case "$1" in
if [ "$BIRD6" = "yes" ]
then
echo -n "Starting BIRD for IPv6: "
daemon bird6
daemon bird6 ${BIRD6ARGS}
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/bird6
@ -76,13 +81,17 @@ case "$1" in
RETVAL=$?
;;
reload)
killall -HUP bird
killall -HUP bird6
killproc bird -HUP
RETVAL=$?
echo
echo -n "Reloading BIRD for IPv6: "
killproc bird6 -HUP
RETVAL=$?
echo
;;
*)
echo "Usage: bird.init {start|stop|status|restart|reload}"
exit 1
esac
exit $REVAL
exit $RETVAL

1
nest/iface.h
View File

@ -108,6 +108,7 @@ typedef struct neighbor {
node n; /* Node in global neighbor list */
node if_n; /* Node in per-interface neighbor list */
ip_addr addr; /* Address of the neighbor */
struct ifa *ifa; /* Ifa on related iface */
struct iface *iface; /* Interface it's connected to */
struct proto *proto; /* Protocol this belongs to */
void *data; /* Protocol-specific data */

36
nest/neighbor.c
View File

@ -56,14 +56,20 @@ neigh_hash(struct proto *p, ip_addr *a)
}
static int
if_connected(ip_addr *a, struct iface *i) /* -1=error, 1=match, 0=no match */
if_connected(ip_addr *a, struct iface *i, struct ifa **ap)
{
struct ifa *b;
if (!(i->flags & IF_UP))
{
*ap = NULL;
return -1;
}
WALK_LIST(b, i->addrs)
{
*ap = b;
if (ipa_equal(*a, b->ip))
return SCOPE_HOST;
if (b->flags & IA_PEER)
@ -79,12 +85,17 @@ if_connected(ip_addr *a, struct iface *i) /* -1=error, 1=match, 0=no match */
if ((b->pxlen < (BITS_PER_IP_ADDRESS - 1)) &&
(ipa_equal(*a, b->prefix) || /* Network address */
ipa_equal(*a, b->brd))) /* Broadcast */
{
*ap = NULL;
return -1;
}
return b->scope;
}
}
}
*ap = NULL;
return -1;
}
@ -116,6 +127,7 @@ neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
int class, scope = -1;
unsigned int h = neigh_hash(p, a);
struct iface *i;
struct ifa *addr;
WALK_LIST(n, neigh_hash_table[h]) /* Search the cache */
if (n->proto == p && ipa_equal(*a, n->addr) && (!ifa || (ifa == n->iface)))
@ -131,7 +143,7 @@ neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
if (ifa)
{
scope = if_connected(a, ifa);
scope = if_connected(a, ifa, &addr);
flags |= NEF_BIND;
if ((scope < 0) && (flags & NEF_ONLINK))
@ -139,7 +151,7 @@ neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
}
else
WALK_LIST(i, iface_list)
if ((scope = if_connected(a, i)) >= 0)
if ((scope = if_connected(a, i, &addr)) >= 0)
{
ifa = i;
break;
@ -164,6 +176,7 @@ neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
scope = -1;
}
n->iface = ifa;
n->ifa = addr;
n->proto = p;
n->data = NULL;
n->aux = 0;
@ -215,9 +228,10 @@ neigh_dump_all(void)
}
static void
neigh_up(neighbor *n, struct iface *i, int scope)
neigh_up(neighbor *n, struct iface *i, int scope, struct ifa *a)
{
n->iface = i;
n->ifa = a;
n->scope = scope;
add_tail(&i->neighbors, &n->if_n);
rem_node(&n->n);
@ -234,6 +248,7 @@ neigh_down(neighbor *n)
rem_node(&n->if_n);
if (! (n->flags & NEF_BIND))
n->iface = NULL;
n->ifa = NULL;
n->scope = -1;
if (n->proto->neigh_notify && n->proto->core_state != FS_FLUSHING)
n->proto->neigh_notify(n);
@ -244,13 +259,14 @@ neigh_down(neighbor *n)
/* Respawn neighbor if there is another matching prefix */
struct iface *i;
struct ifa *a;
int scope;
if (!n->iface)
WALK_LIST(i, iface_list)
if ((scope = if_connected(&n->addr, i)) >= 0)
if ((scope = if_connected(&n->addr, i, &a)) >= 0)
{
neigh_up(n, i, scope);
neigh_up(n, i, scope, a);
return;
}
}
@ -271,13 +287,14 @@ neigh_down(neighbor *n)
void
neigh_if_up(struct iface *i)
{
struct ifa *a;
neighbor *n, *next;
int scope;
WALK_LIST_DELSAFE(n, next, sticky_neigh_list)
if ((!n->iface || n->iface == i) &&
((scope = if_connected(&n->addr, i)) >= 0))
neigh_up(n, i, scope);
((scope = if_connected(&n->addr, i, &a)) >= 0))
neigh_up(n, i, scope, a);
}
/**
@ -338,8 +355,9 @@ neigh_ifa_update(struct ifa *a)
/* Remove all neighbors whose scope has changed */
WALK_LIST_DELSAFE(x, y, i->neighbors)
{
struct ifa *aa;
neighbor *n = SKIP_BACK(neighbor, if_n, x);
if (if_connected(&n->addr, i) != n->scope)
if (if_connected(&n->addr, i, &aa) != n->scope)
neigh_down(n);
}

2
proto/bfd/bfd.c
View File

@ -740,7 +740,7 @@ bfd_neigh_notify(struct neighbor *nb)
if ((nb->scope > 0) && !n->req)
{
ip_addr local = ipa_nonzero(n->local) ? n->local : nb->iface->addr->ip;
ip_addr local = ipa_nonzero(n->local) ? n->local : nb->ifa->ip;
n->req = bfd_request_session(p->p.pool, n->addr, local, nb->iface, NULL, NULL);
}

3
proto/bgp/bgp.c
View File

@ -718,9 +718,8 @@ bgp_start_neighbor(struct bgp_proto *p)
{
/* Called only for single-hop BGP sessions */
/* Remove this ? */
if (ipa_zero(p->source_addr))
p->source_addr = p->neigh->iface->addr->ip;
p->source_addr = p->neigh->ifa->ip;
#ifdef IPV6
{