mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-23 02:01:55 +00:00
Merge commit '300e4008f02382b87409dabb52a317b8336de55b' into integrated
Conflicts: nest/neighbor.c
This commit is contained in:
commit
91ea1b134b
@ -707,6 +707,9 @@ This argument can be omitted if there exists only a single instance.
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that is routes, their metrics and (in case the <cf/all/ switch is given)
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that is routes, their metrics and (in case the <cf/all/ switch is given)
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all their attributes.
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all their attributes.
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<tag>show bfd sessions [<m/name/]</tag>
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Show information about BFD sessions.
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<p>You can specify a <m/prefix/ if you want to print routes for a
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<p>You can specify a <m/prefix/ if you want to print routes for a
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specific network. If you use <cf>for <m/prefix or IP/</cf>, you'll get
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specific network. If you use <cf>for <m/prefix or IP/</cf>, you'll get
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the entry which will be used for forwarding of packets to the given
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the entry which will be used for forwarding of packets to the given
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@ -22,14 +22,19 @@
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BIRD4="yes"
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BIRD4="yes"
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BIRD6="yes"
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BIRD6="yes"
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BIRD4ARGS=
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BIRD6ARGS=
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[ -f /etc/bird.conf ] || BIRD4="no"
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[ -f /etc/bird.conf ] || BIRD4="no"
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[ -f /usr/sbin/bird ] || BIRD4="no"
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[ -f /usr/sbin/bird ] || BIRD4="no"
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[ "${NETWORKING}" = "yes" ] || BIRD4="no"
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[ "${NETWORKING}" = "yes" ] || BIRD4="no"
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[ -f /etc/bird-6.conf ] || BIRD6="no"
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[ -f /etc/bird6.conf ] || BIRD6="no"
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[ -f /usr/sbin/bird6 ] || BIRD6="no"
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[ -f /usr/sbin/bird6 ] || BIRD6="no"
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[ "${NETWORKING_IPV6}" = "yes" ] || BIRD6="no"
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[ "${NETWORKING_IPV6}" = "yes" ] || BIRD6="no"
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[ -e /etc/sysconfig/bird ] && . /etc/sysconfig/bird
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RETVAL=0
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RETVAL=0
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# See how we were called.
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# See how we were called.
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@ -38,7 +43,7 @@ case "$1" in
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if [ "$BIRD4" = "yes" ]
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if [ "$BIRD4" = "yes" ]
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then
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then
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echo -n "Starting BIRD for IPv4: "
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echo -n "Starting BIRD for IPv4: "
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daemon bird
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daemon bird ${BIRD4ARGS}
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RETVAL=$?
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RETVAL=$?
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echo
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echo
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[ $RETVAL -eq 0 ] && touch /var/lock/subsys/bird
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[ $RETVAL -eq 0 ] && touch /var/lock/subsys/bird
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@ -46,7 +51,7 @@ case "$1" in
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if [ "$BIRD6" = "yes" ]
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if [ "$BIRD6" = "yes" ]
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then
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then
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echo -n "Starting BIRD for IPv6: "
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echo -n "Starting BIRD for IPv6: "
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daemon bird6
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daemon bird6 ${BIRD6ARGS}
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RETVAL=$?
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RETVAL=$?
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echo
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echo
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[ $RETVAL -eq 0 ] && touch /var/lock/subsys/bird6
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[ $RETVAL -eq 0 ] && touch /var/lock/subsys/bird6
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@ -76,13 +81,17 @@ case "$1" in
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RETVAL=$?
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RETVAL=$?
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;;
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;;
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reload)
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reload)
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killall -HUP bird
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killproc bird -HUP
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killall -HUP bird6
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RETVAL=$?
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RETVAL=$?
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echo
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echo -n "Reloading BIRD for IPv6: "
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killproc bird6 -HUP
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RETVAL=$?
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echo
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;;
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;;
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*)
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*)
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echo "Usage: bird.init {start|stop|status|restart|reload}"
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echo "Usage: bird.init {start|stop|status|restart|reload}"
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exit 1
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exit 1
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esac
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esac
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exit $REVAL
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exit $RETVAL
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@ -108,6 +108,7 @@ typedef struct neighbor {
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node n; /* Node in global neighbor list */
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node n; /* Node in global neighbor list */
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node if_n; /* Node in per-interface neighbor list */
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node if_n; /* Node in per-interface neighbor list */
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ip_addr addr; /* Address of the neighbor */
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ip_addr addr; /* Address of the neighbor */
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struct ifa *ifa; /* Ifa on related iface */
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struct iface *iface; /* Interface it's connected to */
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struct iface *iface; /* Interface it's connected to */
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struct proto *proto; /* Protocol this belongs to */
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struct proto *proto; /* Protocol this belongs to */
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void *data; /* Protocol-specific data */
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void *data; /* Protocol-specific data */
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@ -56,14 +56,20 @@ neigh_hash(struct proto *p, ip_addr *a)
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}
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}
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static int
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static int
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if_connected(ip_addr *a, struct iface *i) /* -1=error, 1=match, 0=no match */
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if_connected(ip_addr *a, struct iface *i, struct ifa **ap)
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{
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{
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struct ifa *b;
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struct ifa *b;
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if (!(i->flags & IF_UP))
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if (!(i->flags & IF_UP))
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{
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*ap = NULL;
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return -1;
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return -1;
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}
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WALK_LIST(b, i->addrs)
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WALK_LIST(b, i->addrs)
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{
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{
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*ap = b;
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if (ipa_equal(*a, b->ip))
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if (ipa_equal(*a, b->ip))
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return SCOPE_HOST;
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return SCOPE_HOST;
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if (b->flags & IA_PEER)
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if (b->flags & IA_PEER)
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@ -79,12 +85,17 @@ if_connected(ip_addr *a, struct iface *i) /* -1=error, 1=match, 0=no match */
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if ((b->pxlen < (BITS_PER_IP_ADDRESS - 1)) &&
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if ((b->pxlen < (BITS_PER_IP_ADDRESS - 1)) &&
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(ipa_equal(*a, b->prefix) || /* Network address */
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(ipa_equal(*a, b->prefix) || /* Network address */
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ipa_equal(*a, b->brd))) /* Broadcast */
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ipa_equal(*a, b->brd))) /* Broadcast */
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{
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*ap = NULL;
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return -1;
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return -1;
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}
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return b->scope;
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return b->scope;
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}
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}
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}
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}
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}
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}
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*ap = NULL;
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return -1;
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return -1;
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}
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}
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@ -116,6 +127,7 @@ neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
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int class, scope = -1;
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int class, scope = -1;
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unsigned int h = neigh_hash(p, a);
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unsigned int h = neigh_hash(p, a);
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struct iface *i;
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struct iface *i;
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struct ifa *addr;
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WALK_LIST(n, neigh_hash_table[h]) /* Search the cache */
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WALK_LIST(n, neigh_hash_table[h]) /* Search the cache */
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if (n->proto == p && ipa_equal(*a, n->addr) && (!ifa || (ifa == n->iface)))
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if (n->proto == p && ipa_equal(*a, n->addr) && (!ifa || (ifa == n->iface)))
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@ -131,7 +143,7 @@ neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
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if (ifa)
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if (ifa)
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{
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{
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scope = if_connected(a, ifa);
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scope = if_connected(a, ifa, &addr);
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flags |= NEF_BIND;
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flags |= NEF_BIND;
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if ((scope < 0) && (flags & NEF_ONLINK))
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if ((scope < 0) && (flags & NEF_ONLINK))
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@ -139,7 +151,7 @@ neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
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}
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}
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else
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else
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WALK_LIST(i, iface_list)
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WALK_LIST(i, iface_list)
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if ((scope = if_connected(a, i)) >= 0)
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if ((scope = if_connected(a, i, &addr)) >= 0)
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{
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{
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ifa = i;
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ifa = i;
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break;
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break;
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@ -164,6 +176,7 @@ neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
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scope = -1;
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scope = -1;
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}
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}
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n->iface = ifa;
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n->iface = ifa;
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n->ifa = addr;
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n->proto = p;
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n->proto = p;
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n->data = NULL;
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n->data = NULL;
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n->aux = 0;
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n->aux = 0;
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@ -215,9 +228,10 @@ neigh_dump_all(void)
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}
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}
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static void
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static void
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neigh_up(neighbor *n, struct iface *i, int scope)
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neigh_up(neighbor *n, struct iface *i, int scope, struct ifa *a)
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{
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{
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n->iface = i;
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n->iface = i;
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n->ifa = a;
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n->scope = scope;
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n->scope = scope;
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add_tail(&i->neighbors, &n->if_n);
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add_tail(&i->neighbors, &n->if_n);
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rem_node(&n->n);
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rem_node(&n->n);
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@ -234,6 +248,7 @@ neigh_down(neighbor *n)
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rem_node(&n->if_n);
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rem_node(&n->if_n);
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if (! (n->flags & NEF_BIND))
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if (! (n->flags & NEF_BIND))
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n->iface = NULL;
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n->iface = NULL;
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n->ifa = NULL;
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n->scope = -1;
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n->scope = -1;
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if (n->proto->neigh_notify && n->proto->core_state != FS_FLUSHING)
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if (n->proto->neigh_notify && n->proto->core_state != FS_FLUSHING)
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n->proto->neigh_notify(n);
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n->proto->neigh_notify(n);
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@ -244,13 +259,14 @@ neigh_down(neighbor *n)
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/* Respawn neighbor if there is another matching prefix */
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/* Respawn neighbor if there is another matching prefix */
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struct iface *i;
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struct iface *i;
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struct ifa *a;
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int scope;
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int scope;
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if (!n->iface)
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if (!n->iface)
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WALK_LIST(i, iface_list)
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WALK_LIST(i, iface_list)
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if ((scope = if_connected(&n->addr, i)) >= 0)
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if ((scope = if_connected(&n->addr, i, &a)) >= 0)
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{
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{
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neigh_up(n, i, scope);
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neigh_up(n, i, scope, a);
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return;
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return;
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}
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}
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}
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}
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@ -271,13 +287,14 @@ neigh_down(neighbor *n)
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void
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void
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neigh_if_up(struct iface *i)
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neigh_if_up(struct iface *i)
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{
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{
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struct ifa *a;
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neighbor *n, *next;
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neighbor *n, *next;
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int scope;
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int scope;
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WALK_LIST_DELSAFE(n, next, sticky_neigh_list)
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WALK_LIST_DELSAFE(n, next, sticky_neigh_list)
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if ((!n->iface || n->iface == i) &&
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if ((!n->iface || n->iface == i) &&
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((scope = if_connected(&n->addr, i)) >= 0))
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((scope = if_connected(&n->addr, i, &a)) >= 0))
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neigh_up(n, i, scope);
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neigh_up(n, i, scope, a);
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}
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}
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/**
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/**
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@ -338,8 +355,9 @@ neigh_ifa_update(struct ifa *a)
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/* Remove all neighbors whose scope has changed */
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/* Remove all neighbors whose scope has changed */
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WALK_LIST_DELSAFE(x, y, i->neighbors)
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WALK_LIST_DELSAFE(x, y, i->neighbors)
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{
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{
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struct ifa *aa;
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neighbor *n = SKIP_BACK(neighbor, if_n, x);
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neighbor *n = SKIP_BACK(neighbor, if_n, x);
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if (if_connected(&n->addr, i) != n->scope)
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if (if_connected(&n->addr, i, &aa) != n->scope)
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neigh_down(n);
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neigh_down(n);
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}
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}
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@ -740,7 +740,7 @@ bfd_neigh_notify(struct neighbor *nb)
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if ((nb->scope > 0) && !n->req)
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if ((nb->scope > 0) && !n->req)
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{
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{
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ip_addr local = ipa_nonzero(n->local) ? n->local : nb->iface->addr->ip;
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ip_addr local = ipa_nonzero(n->local) ? n->local : nb->ifa->ip;
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n->req = bfd_request_session(p->p.pool, n->addr, local, nb->iface, NULL, NULL);
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n->req = bfd_request_session(p->p.pool, n->addr, local, nb->iface, NULL, NULL);
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}
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}
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@ -718,9 +718,8 @@ bgp_start_neighbor(struct bgp_proto *p)
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{
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{
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/* Called only for single-hop BGP sessions */
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/* Called only for single-hop BGP sessions */
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/* Remove this ? */
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if (ipa_zero(p->source_addr))
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if (ipa_zero(p->source_addr))
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p->source_addr = p->neigh->iface->addr->ip;
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p->source_addr = p->neigh->ifa->ip;
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#ifdef IPV6
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#ifdef IPV6
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{
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{
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