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-rw-r--r--lib/if.c65
-rw-r--r--lib/if.h12
-rw-r--r--ospfd/ospf_interface.c4
-rw-r--r--pimd/pim_iface.c2
-rw-r--r--zebra/if_netlink.c7
-rw-r--r--zebra/kernel_socket.c2
6 files changed, 60 insertions, 32 deletions
diff --git a/lib/if.c b/lib/if.c
index 590893b68..c704ea9bc 100644
--- a/lib/if.c
+++ b/lib/if.c
@@ -141,25 +141,16 @@ static int if_cmp_index_func(const struct interface *ifp1,
}
/* Create new interface structure. */
-static struct interface *if_create_backend(const char *name, ifindex_t ifindex,
- vrf_id_t vrf_id)
+static struct interface *if_new(vrf_id_t vrf_id)
{
- struct vrf *vrf = vrf_get(vrf_id, NULL);
struct interface *ifp;
ifp = XCALLOC(MTYPE_IF, sizeof(struct interface));
- ifp->vrf_id = vrf_id;
- if (name) {
- strlcpy(ifp->name, name, sizeof(ifp->name));
- IFNAME_RB_INSERT(vrf, ifp);
- } else
- ifp->name[0] = '\0';
+ ifp->ifindex = IFINDEX_INTERNAL;
+ ifp->name[0] = '\0';
- if (ifindex != IFINDEX_INTERNAL)
- if_set_index(ifp, ifindex);
- else
- ifp->ifindex = ifindex; /* doesn't add it to the list */
+ ifp->vrf_id = vrf_id;
ifp->connected = list_new();
ifp->connected->del = (void (*)(void *))connected_free;
@@ -171,7 +162,6 @@ static struct interface *if_create_backend(const char *name, ifindex_t ifindex,
SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION);
QOBJ_REG(ifp, interface);
- hook_call(if_add, ifp);
return ifp;
}
@@ -203,14 +193,28 @@ void if_down_via_zapi(struct interface *ifp)
(*ifp_master.down_hook)(ifp);
}
-struct interface *if_create(const char *name, vrf_id_t vrf_id)
+struct interface *if_create_name(const char *name, vrf_id_t vrf_id)
{
- return if_create_backend(name, IFINDEX_INTERNAL, vrf_id);
+ struct interface *ifp;
+
+ ifp = if_new(vrf_id);
+
+ if_set_name(ifp, name);
+
+ hook_call(if_add, ifp);
+ return ifp;
}
struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id)
{
- return if_create_backend(NULL, ifindex, vrf_id);
+ struct interface *ifp;
+
+ ifp = if_new(vrf_id);
+
+ if_set_index(ifp, ifindex);
+
+ hook_call(if_add, ifp);
+ return ifp;
}
/* Create new interface structure. */
@@ -516,7 +520,7 @@ struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id)
ifp = if_lookup_by_name(name, vrf_id);
if (ifp)
return ifp;
- return if_create(name, vrf_id);
+ return if_create_name(name, vrf_id);
case VRF_BACKEND_VRF_LITE:
ifp = if_lookup_by_name_all_vrf(name);
if (ifp) {
@@ -528,7 +532,7 @@ struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id)
if_update_to_new_vrf(ifp, vrf_id);
return ifp;
}
- return if_create(name, vrf_id);
+ return if_create_name(name, vrf_id);
}
return NULL;
@@ -566,14 +570,14 @@ void if_set_index(struct interface *ifp, ifindex_t ifindex)
{
struct vrf *vrf;
- vrf = vrf_lookup_by_id(ifp->vrf_id);
+ vrf = vrf_get(ifp->vrf_id, NULL);
assert(vrf);
if (ifp->ifindex == ifindex)
return;
if (ifp->ifindex != IFINDEX_INTERNAL)
- IFINDEX_RB_REMOVE(vrf, ifp)
+ IFINDEX_RB_REMOVE(vrf, ifp);
ifp->ifindex = ifindex;
@@ -581,6 +585,25 @@ void if_set_index(struct interface *ifp, ifindex_t ifindex)
IFINDEX_RB_INSERT(vrf, ifp)
}
+void if_set_name(struct interface *ifp, const char *name)
+{
+ struct vrf *vrf;
+
+ vrf = vrf_get(ifp->vrf_id, NULL);
+ assert(vrf);
+
+ if (if_cmp_name_func(ifp->name, name) == 0)
+ return;
+
+ if (ifp->name[0] != '\0')
+ IFNAME_RB_REMOVE(vrf, ifp);
+
+ strlcpy(ifp->name, name, sizeof(ifp->name));
+
+ if (ifp->name[0] != '\0')
+ IFNAME_RB_INSERT(vrf, ifp);
+}
+
/* Does interface up ? */
int if_is_up(const struct interface *ifp)
{
diff --git a/lib/if.h b/lib/if.h
index 51db7bb8e..1ee6561e8 100644
--- a/lib/if.h
+++ b/lib/if.h
@@ -479,7 +479,11 @@ extern int if_cmp_name_func(const char *p1, const char *p2);
* else think before you use VRF_UNKNOWN
*/
extern void if_update_to_new_vrf(struct interface *, vrf_id_t vrf_id);
-extern struct interface *if_create(const char *name, vrf_id_t vrf_id);
+
+/* Create new interface, adds to name list only */
+extern struct interface *if_create_name(const char *name, vrf_id_t vrf_id);
+
+/* Create new interface, adds to index list only */
extern struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id);
extern struct interface *if_lookup_by_index(ifindex_t, vrf_id_t vrf_id);
extern struct interface *if_lookup_by_index_all_vrf(ifindex_t);
@@ -492,13 +496,15 @@ extern struct interface *if_lookup_prefix(struct prefix *prefix,
size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz,
struct interface ***result, vrf_id_t vrf_id);
-/* These 3 functions are to be used when the ifname argument is terminated
- by a '\0' character: */
extern struct interface *if_lookup_by_name_all_vrf(const char *ifname);
extern struct interface *if_lookup_by_name(const char *ifname, vrf_id_t vrf_id);
extern struct interface *if_get_by_name(const char *ifname, vrf_id_t vrf_id);
extern struct interface *if_get_by_ifindex(ifindex_t ifindex, vrf_id_t vrf_id);
+
+/* Sets the index and adds to index list */
extern void if_set_index(struct interface *ifp, ifindex_t ifindex);
+/* Sets the name and adds to name list */
+extern void if_set_name(struct interface *ifp, const char *name);
/* Delete the interface, but do not free the structure, and leave it in the
interface list. It is often advisable to leave the pseudo interface
diff --git a/ospfd/ospf_interface.c b/ospfd/ospf_interface.c
index 3407d1bad..1f5e0da94 100644
--- a/ospfd/ospf_interface.c
+++ b/ospfd/ospf_interface.c
@@ -847,9 +847,9 @@ struct ospf_interface *ospf_vl_new(struct ospf *ospf,
ospf->vrf_id);
snprintf(ifname, sizeof(ifname), "VLINK%u", vlink_count);
- vi = if_create(ifname, ospf->vrf_id);
+ vi = if_create_name(ifname, ospf->vrf_id);
/*
- * if_create sets ZEBRA_INTERFACE_LINKDETECTION
+ * if_create_name sets ZEBRA_INTERFACE_LINKDETECTION
* virtual links don't need this.
*/
UNSET_FLAG(vi->status, ZEBRA_INTERFACE_LINKDETECTION);
diff --git a/pimd/pim_iface.c b/pimd/pim_iface.c
index bc8dedc4f..3ee9caebc 100644
--- a/pimd/pim_iface.c
+++ b/pimd/pim_iface.c
@@ -1476,7 +1476,7 @@ void pim_if_create_pimreg(struct pim_instance *pim)
snprintf(pimreg_name, sizeof(pimreg_name), "pimreg%u",
pim->vrf->data.l.table_id);
- pim->regiface = if_create(pimreg_name, pim->vrf_id);
+ pim->regiface = if_create_name(pimreg_name, pim->vrf_id);
pim->regiface->ifindex = PIM_OIF_PIM_REGISTER_VIF;
pim_if_new(pim->regiface, false, false, true,
diff --git a/zebra/if_netlink.c b/zebra/if_netlink.c
index 35cb3a6f5..4e9b09361 100644
--- a/zebra/if_netlink.c
+++ b/zebra/if_netlink.c
@@ -606,7 +606,6 @@ static int netlink_interface(struct nlmsghdr *h, ns_id_t ns_id, int startup)
ifindex_t link_ifindex = IFINDEX_INTERNAL;
ifindex_t bond_ifindex = IFINDEX_INTERNAL;
struct zebra_if *zif;
- struct vrf *vrf = NULL;
zns = zebra_ns_lookup(ns_id);
ifi = NLMSG_DATA(h);
@@ -690,7 +689,6 @@ static int netlink_interface(struct nlmsghdr *h, ns_id_t ns_id, int startup)
if (tb[IFLA_LINK])
link_ifindex = *(ifindex_t *)RTA_DATA(tb[IFLA_LINK]);
- vrf = vrf_get(vrf_id, NULL);
/* Add interface.
* We add by index first because in some cases such as the master
* interface, we have the index before we have the name. Fixing
@@ -699,8 +697,9 @@ static int netlink_interface(struct nlmsghdr *h, ns_id_t ns_id, int startup)
*/
ifp = if_get_by_ifindex(ifi->ifi_index, vrf_id);
set_ifindex(ifp, ifi->ifi_index, zns); /* add it to ns struct */
- strlcpy(ifp->name, name, sizeof(ifp->name));
- IFNAME_RB_INSERT(vrf, ifp);
+
+ if_set_name(ifp, name);
+
ifp->flags = ifi->ifi_flags & 0x0000fffff;
ifp->mtu6 = ifp->mtu = *(uint32_t *)RTA_DATA(tb[IFLA_MTU]);
ifp->metric = 0;
diff --git a/zebra/kernel_socket.c b/zebra/kernel_socket.c
index 60fbbcc05..f5aca2341 100644
--- a/zebra/kernel_socket.c
+++ b/zebra/kernel_socket.c
@@ -643,7 +643,7 @@ int ifm_read(struct if_msghdr *ifm)
if (ifp == NULL) {
/* Interface that zebra was not previously aware of, so
* create. */
- ifp = if_create(ifname, VRF_DEFAULT);
+ ifp = if_create_name(ifname, VRF_DEFAULT);
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug("%s: creating ifp for ifindex %d",
__func__, ifm->ifm_index);