static int
bridge_table_add(struct vr_rtable * _unused, struct vr_route_req *rt)
{
int ret;
if (!vn_rtable)
return -EINVAL;
if (IS_MAC_ZERO(rt->rtr_req.rtr_mac))
return -EINVAL;
rt->rtr_nh = vrouter_get_nexthop(rt->rtr_req.rtr_rid,
rt->rtr_req.rtr_nh_id);
if (!rt->rtr_nh)
return -ENOENT;
if ((!(rt->rtr_req.rtr_label_flags & VR_RT_LABEL_VALID_FLAG)) &&
(rt->rtr_nh->nh_type == NH_TUNNEL)) {
vrouter_put_nexthop(rt->rtr_nh);
return -EINVAL;
}
ret = __bridge_table_add(rt);
vrouter_put_nexthop(rt->rtr_nh);
return ret;
}
static int
bridge_table_dump(struct vr_rtable * __unsued, struct vr_route_req *rt)
{
int ret = 0;
struct vr_message_dumper *dumper;
char *mac;
dumper = vr_message_dump_init(&rt->rtr_req);
if (!dumper) {
ret = -ENOMEM;
goto generate_response;
}
if (rt->rtr_req.rtr_mac_size != VR_ETHER_ALEN)
return -EINVAL;
mac = (char *)(((vr_route_req *)(dumper->dump_req))->rtr_mac);
if (!mac) {
ret = -EINVAL;
goto generate_response;
}
if (IS_MAC_ZERO(mac))
dumper->dump_been_to_marker = 1;
ret = __bridge_table_dump(dumper);
generate_response:
vr_message_dump_exit(dumper, ret);
return 0;
}
/*
* adds a route to the corresponding vrf table. returns 0 on
* success and non-zero otherwise
*/
static int
mtrie_add(struct vr_rtable * _unused, struct vr_route_req *rt)
{
unsigned int vrf_id = rt->rtr_req.rtr_vrf_id;
struct ip_mtrie *mtrie = vrfid_to_mtrie(vrf_id, rt->rtr_req.rtr_family);
int ret;
struct vr_route_req tmp_req;
mtrie = (mtrie ? mtrie : mtrie_alloc_vrf(vrf_id, rt->rtr_req.rtr_family));
if (!mtrie)
return -ENOMEM;
rt->rtr_nh = vrouter_get_nexthop(rt->rtr_req.rtr_rid, rt->rtr_req.rtr_nh_id);
if (!rt->rtr_nh)
return -ENOENT;
if ((!(rt->rtr_req.rtr_label_flags & VR_RT_LABEL_VALID_FLAG)) &&
(rt->rtr_nh->nh_type == NH_TUNNEL)) {
vrouter_put_nexthop(rt->rtr_nh);
return -EINVAL;
}
rt->rtr_req.rtr_index = VR_BE_INVALID_INDEX;
if ((rt->rtr_req.rtr_mac_size == VR_ETHER_ALEN) &&
(!IS_MAC_ZERO(rt->rtr_req.rtr_mac))) {
tmp_req.rtr_req.rtr_index = rt->rtr_req.rtr_index;
tmp_req.rtr_req.rtr_mac_size = VR_ETHER_ALEN;
tmp_req.rtr_req.rtr_mac = rt->rtr_req.rtr_mac;
tmp_req.rtr_req.rtr_vrf_id = rt->rtr_req.rtr_vrf_id;
if (!vr_bridge_lookup(tmp_req.rtr_req.rtr_vrf_id, &tmp_req))
return -ENOENT;
rt->rtr_req.rtr_index = tmp_req.rtr_req.rtr_index;
}
if (!(rt->rtr_req.rtr_label_flags & VR_RT_LABEL_VALID_FLAG)) {
rt->rtr_req.rtr_label = 0xFFFFFF;
} else {
rt->rtr_req.rtr_label &= 0xFFFFFF;
}
ret = __mtrie_add(mtrie, rt, 1);
vrouter_put_nexthop(rt->rtr_nh);
return ret;
}
/*
* Delete a route from the table.
* prefix is in network byte order.
* returns 0 on failure; or non-zero if an entry was found.
*
* When deleting a route:
* - Move all descendent bucket (not covered by more-specifics) with the
* parent of this node.
* - If any buckets contain the same next-hop result, the bucket can be
* deleted. Memory should be freed after a delay in order to deal with
* concurrency.
*/
static int
mtrie_delete(struct vr_rtable * _unused, struct vr_route_req *rt)
{
int vrf_id = rt->rtr_req.rtr_vrf_id;
struct ip_mtrie *rtable;
struct vr_route_req lreq;
rtable = vrfid_to_mtrie(vrf_id, rt->rtr_req.rtr_family);
if (!rtable)
return -ENOENT;
rt->rtr_nh = vrouter_get_nexthop(rt->rtr_req.rtr_rid, rt->rtr_req.rtr_nh_id);
if (!rt->rtr_nh)
return -ENOENT;
rt->rtr_req.rtr_index = VR_BE_INVALID_INDEX;
if ((rt->rtr_req.rtr_mac_size == VR_ETHER_ALEN) &&
(!IS_MAC_ZERO(rt->rtr_req.rtr_mac))) {
lreq.rtr_req.rtr_index = rt->rtr_req.rtr_index;
lreq.rtr_req.rtr_mac_size = VR_ETHER_ALEN;
lreq.rtr_req.rtr_mac = rt->rtr_req.rtr_mac;
lreq.rtr_req.rtr_vrf_id = vrf_id;
if (!vr_bridge_lookup(vrf_id, &lreq))
return -ENOENT;
rt->rtr_req.rtr_index = lreq.rtr_req.rtr_index;
}
if (!(rt->rtr_req.rtr_label_flags & VR_RT_LABEL_VALID_FLAG)) {
rt->rtr_req.rtr_label = 0xFFFFFF;
} else {
rt->rtr_req.rtr_label &= 0xFFFFFF;
}
__mtrie_delete(rt, &rtable->root, 0, 0, 1);
vrouter_put_nexthop(rt->rtr_nh);
return 0;
}