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bgpd, lib, zebra: Add ability to retrieve ifp without specifying a vrf

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There are cases where we get an interface name but do not have a
corresponding vrf.  We care about getting an interface pointer
so just provide a function that searches all vrf's for the ifp.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reviewed-by: Radhicak Mahankali <radhika@cumulusnetworks.com>
Reviewed-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2016-03-23 12:38:30 -07:00
parent b359768d22
commit f896287128
4 changed files with 21 additions and 2 deletions
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2
bgpd/bgp_routemap.c
View File

@ -949,7 +949,7 @@ route_match_interface (void *rule, struct prefix *prefix,
if (!info || !info->attr)
return RMAP_NOMATCH;
ifp = if_lookup_by_name ((char *)rule);
ifp = if_lookup_by_name_all_vrf ((char *)rule);
if (ifp == NULL || ifp->ifindex != info->attr->nh_ifindex)
return RMAP_NOMATCH;

18
lib/if.c
View File

@ -290,6 +290,24 @@ if_lookup_by_name_vrf (const char *name, vrf_id_t vrf_id)
return NULL;
}
struct interface *
if_lookup_by_name_all_vrf (const char *name)
{
struct interface *ifp;
struct vrf *vrf = NULL;
vrf_iter_t iter;
for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter))
{
vrf = vrf_iter2vrf (iter);
ifp = if_lookup_by_name_vrf (name, vrf->vrf_id);
if (ifp)
return ifp;
}
return NULL;
}
struct interface *
if_lookup_by_name (const char *name)
{

1
lib/if.h
View File

@ -287,6 +287,7 @@ extern struct interface *if_lookup_prefix_vrf (struct prefix *prefix,
extern struct interface *if_lookup_by_name (const char *ifname);
extern struct interface *if_get_by_name (const char *ifname);
extern struct interface *if_lookup_by_name_all_vrf (const char *ifname);
extern struct interface *if_lookup_by_name_vrf (const char *ifname,
vrf_id_t vrf_id);
extern struct interface *if_get_by_name_vrf (const char *ifname,

2
zebra/zebra_ptm.c
View File

@ -492,7 +492,7 @@ zebra_ptm_handle_msg_cb(void *arg, void *in_ctxt)
}
if (strcmp(ZEBRA_PTM_INVALID_PORT_NAME, port_str)) {
ifp = if_lookup_by_name(port_str);
ifp = if_lookup_by_name_all_vrf(port_str);
if (!ifp) {
zlog_err("%s: %s not found in interface list", __func__, port_str);