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Diffstat (limited to 'zebra/connected.c')
-rw-r--r--zebra/connected.c87
1 files changed, 63 insertions, 24 deletions
diff --git a/zebra/connected.c b/zebra/connected.c
index ee0823f..404f892 100644
--- a/zebra/connected.c
+++ b/zebra/connected.c
@@ -48,7 +48,7 @@ static void connected_withdraw(struct connected *ifc)
UNSET_FLAG(ifc->conf, ZEBRA_IFC_QUEUED);
if (!CHECK_FLAG(ifc->conf, ZEBRA_IFC_CONFIGURED)) {
- listnode_delete(ifc->ifp->connected, ifc);
+ if_connected_del(ifc->ifp->connected, ifc);
connected_free(&ifc);
}
}
@@ -65,7 +65,7 @@ static void connected_announce(struct interface *ifp, struct connected *ifc)
UNSET_FLAG(ifc->flags, ZEBRA_IFA_UNNUMBERED);
}
- listnode_add(ifp->connected, ifc);
+ if_connected_add_tail(ifp->connected, ifc);
/* Update interface address information to protocol daemon. */
if (ifc->address->family == AF_INET)
@@ -84,9 +84,8 @@ struct connected *connected_check(struct interface *ifp,
{
const struct prefix *p = pu.p;
struct connected *ifc;
- struct listnode *node;
- for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc))
+ frr_each (if_connected, ifp->connected, ifc)
if (prefix_same(ifc->address, p))
return ifc;
@@ -101,9 +100,8 @@ struct connected *connected_check_ptp(struct interface *ifp,
const struct prefix *p = pu.p;
const struct prefix *d = du.p;
struct connected *ifc;
- struct listnode *node;
- for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) {
+ frr_each (if_connected, ifp->connected, ifc) {
if (!prefix_same(ifc->address, p))
continue;
if (!CONNECTED_PEER(ifc) && !d)
@@ -182,7 +180,7 @@ static void connected_update(struct interface *ifp, struct connected *ifc)
void connected_up(struct interface *ifp, struct connected *ifc)
{
afi_t afi;
- struct prefix p;
+ struct prefix p, plocal;
struct nexthop nh = {
.type = NEXTHOP_TYPE_IFINDEX,
.ifindex = ifp->ifindex,
@@ -192,8 +190,8 @@ void connected_up(struct interface *ifp, struct connected *ifc)
uint32_t metric;
uint32_t flags = 0;
uint32_t count = 0;
- struct listnode *cnode;
struct connected *c;
+ bool install_local = true;
zvrf = ifp->vrf->info;
if (!zvrf) {
@@ -210,6 +208,7 @@ void connected_up(struct interface *ifp, struct connected *ifc)
UNSET_FLAG(ifc->conf, ZEBRA_IFC_DOWN);
prefix_copy(&p, CONNECTED_PREFIX(ifc));
+ prefix_copy(&plocal, ifc->address);
/* Apply mask to the network. */
apply_mask(&p);
@@ -224,6 +223,8 @@ void connected_up(struct interface *ifp, struct connected *ifc)
*/
if (prefix_ipv4_any((struct prefix_ipv4 *)&p))
return;
+
+ plocal.prefixlen = IPV4_MAX_BITLEN;
break;
case AFI_IP6:
#ifndef GNU_LINUX
@@ -231,6 +232,11 @@ void connected_up(struct interface *ifp, struct connected *ifc)
if (IN6_IS_ADDR_UNSPECIFIED(&p.u.prefix6))
return;
#endif
+
+ if (IN6_IS_ADDR_LINKLOCAL(&plocal.u.prefix6))
+ install_local = false;
+
+ plocal.prefixlen = IPV6_MAX_BITLEN;
break;
case AFI_UNSPEC:
case AFI_L2VPN:
@@ -262,7 +268,7 @@ void connected_up(struct interface *ifp, struct connected *ifc)
* for all the addresses on an interface that
* resolve to the same network and mask
*/
- for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) {
+ frr_each (if_connected, ifp->connected, c) {
struct prefix cp;
prefix_copy(&cp, CONNECTED_PREFIX(c));
@@ -276,13 +282,24 @@ void connected_up(struct interface *ifp, struct connected *ifc)
return;
}
- rib_add(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_CONNECT, 0,
- flags, &p, NULL, &nh, 0, zvrf->table_id, metric, 0, 0, 0,
- false);
+ if (!CHECK_FLAG(ifc->flags, ZEBRA_IFA_NOPREFIXROUTE)) {
+ rib_add(afi, SAFI_UNICAST, zvrf->vrf->vrf_id,
+ ZEBRA_ROUTE_CONNECT, 0, flags, &p, NULL, &nh, 0,
+ zvrf->table_id, metric, 0, 0, 0, false);
- rib_add(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_CONNECT, 0,
- flags, &p, NULL, &nh, 0, zvrf->table_id, metric, 0, 0, 0,
- false);
+ rib_add(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id,
+ ZEBRA_ROUTE_CONNECT, 0, flags, &p, NULL, &nh, 0,
+ zvrf->table_id, metric, 0, 0, 0, false);
+ }
+
+ if (install_local) {
+ rib_add(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_LOCAL,
+ 0, flags, &plocal, NULL, &nh, 0, zvrf->table_id, 0, 0,
+ 0, 0, false);
+ rib_add(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id,
+ ZEBRA_ROUTE_LOCAL, 0, flags, &plocal, NULL, &nh, 0,
+ zvrf->table_id, 0, 0, 0, 0, false);
+ }
/* Schedule LSP forwarding entries for processing, if appropriate. */
if (zvrf->vrf->vrf_id == VRF_DEFAULT) {
@@ -368,7 +385,7 @@ void connected_add_ipv4(struct interface *ifp, int flags,
void connected_down(struct interface *ifp, struct connected *ifc)
{
afi_t afi;
- struct prefix p;
+ struct prefix p, plocal;
struct nexthop nh = {
.type = NEXTHOP_TYPE_IFINDEX,
.ifindex = ifp->ifindex,
@@ -376,8 +393,8 @@ void connected_down(struct interface *ifp, struct connected *ifc)
};
struct zebra_vrf *zvrf;
uint32_t count = 0;
- struct listnode *cnode;
struct connected *c;
+ bool remove_local = true;
zvrf = ifp->vrf->info;
if (!zvrf) {
@@ -403,6 +420,7 @@ void connected_down(struct interface *ifp, struct connected *ifc)
}
prefix_copy(&p, CONNECTED_PREFIX(ifc));
+ prefix_copy(&plocal, ifc->address);
/* Apply mask to the network. */
apply_mask(&p);
@@ -417,10 +435,18 @@ void connected_down(struct interface *ifp, struct connected *ifc)
*/
if (prefix_ipv4_any((struct prefix_ipv4 *)&p))
return;
+
+ plocal.prefixlen = IPV4_MAX_BITLEN;
break;
case AFI_IP6:
if (IN6_IS_ADDR_UNSPECIFIED(&p.u.prefix6))
return;
+
+ plocal.prefixlen = IPV6_MAX_BITLEN;
+
+ if (IN6_IS_ADDR_LINKLOCAL(&plocal.u.prefix6))
+ remove_local = false;
+
break;
case AFI_UNSPEC:
case AFI_L2VPN:
@@ -439,7 +465,7 @@ void connected_down(struct interface *ifp, struct connected *ifc)
* allow the deletion when are removing the last
* one.
*/
- for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) {
+ frr_each (if_connected, ifp->connected, c) {
struct prefix cp;
prefix_copy(&cp, CONNECTED_PREFIX(c));
@@ -457,11 +483,25 @@ void connected_down(struct interface *ifp, struct connected *ifc)
* Same logic as for connected_up(): push the changes into the
* head.
*/
- rib_delete(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_CONNECT, 0,
- 0, &p, NULL, &nh, 0, zvrf->table_id, 0, 0, false);
+ if (!CHECK_FLAG(ifc->flags, ZEBRA_IFA_NOPREFIXROUTE)) {
+ rib_delete(afi, SAFI_UNICAST, zvrf->vrf->vrf_id,
+ ZEBRA_ROUTE_CONNECT, 0, 0, &p, NULL, &nh, 0,
+ zvrf->table_id, 0, 0, false);
+
+ rib_delete(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id,
+ ZEBRA_ROUTE_CONNECT, 0, 0, &p, NULL, &nh, 0,
+ zvrf->table_id, 0, 0, false);
+ }
+
+ if (remove_local) {
+ rib_delete(afi, SAFI_UNICAST, zvrf->vrf->vrf_id,
+ ZEBRA_ROUTE_LOCAL, 0, 0, &plocal, NULL, &nh, 0,
+ zvrf->table_id, 0, 0, false);
- rib_delete(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_CONNECT,
- 0, 0, &p, NULL, &nh, 0, zvrf->table_id, 0, 0, false);
+ rib_delete(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id,
+ ZEBRA_ROUTE_LOCAL, 0, 0, &plocal, NULL, &nh, 0,
+ zvrf->table_id, 0, 0, false);
+ }
/* Schedule LSP forwarding entries for processing, if appropriate. */
if (zvrf->vrf->vrf_id == VRF_DEFAULT) {
@@ -616,9 +656,8 @@ void connected_delete_ipv6(struct interface *ifp,
int connected_is_unnumbered(struct interface *ifp)
{
struct connected *connected;
- struct listnode *node;
- for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, connected)) {
+ frr_each (if_connected, ifp->connected, connected) {
if (CHECK_FLAG(connected->conf, ZEBRA_IFC_REAL)
&& connected->address->family == AF_INET)
return CHECK_FLAG(connected->flags,
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-11 19:43:56 +0000