#include <vnet/adj/adj_nbr.h>
#include <vnet/mpls/mpls.h>
#include <vnet/l2/l2_input.h>
-#include <vnet/nhrp/nhrp.h>
+#include <vnet/teib/teib.h>
u8 *
format_gre_tunnel_type (u8 * s, va_list * args)
}
static void
-gre_nhrp_mk_key (const gre_tunnel_t * t,
- const nhrp_entry_t * ne, gre_tunnel_key_t * key)
+gre_teib_mk_key (const gre_tunnel_t * t,
+ const teib_entry_t * ne, gre_tunnel_key_t * key)
{
const fib_prefix_t *nh;
- nh = nhrp_entry_get_nh (ne);
+ nh = teib_entry_get_nh (ne);
/* construct the key using mode P2P so it can be found in the DP */
if (FIB_PROTOCOL_IP4 == nh->fp_proto)
gre_mk_key4 (t->tunnel_src.ip4,
nh->fp_addr.ip4,
- nhrp_entry_get_fib_index (ne),
+ teib_entry_get_fib_index (ne),
t->type, TUNNEL_MODE_P2P, 0, &key->gtk_v4);
else
gre_mk_key6 (&t->tunnel_src.ip6,
&nh->fp_addr.ip6,
- nhrp_entry_get_fib_index (ne),
+ teib_entry_get_fib_index (ne),
t->type, TUNNEL_MODE_P2P, 0, &key->gtk_v6);
}
+/**
+ * An NHRP entry has been added
+ */
static void
-gre_nhrp_entry_added (const nhrp_entry_t * ne)
+gre_teib_entry_added (const teib_entry_t * ne)
{
gre_main_t *gm = &gre_main;
+ const ip46_address_t *nh;
gre_tunnel_key_t key;
gre_tunnel_t *t;
u32 sw_if_index;
u32 t_idx;
- sw_if_index = nhrp_entry_get_sw_if_index (ne);
+ sw_if_index = teib_entry_get_sw_if_index (ne);
if (vec_len (gm->tunnel_index_by_sw_if_index) < sw_if_index)
return;
if (INDEX_INVALID == t_idx)
return;
+ /* entry has been added on an interface for which there is a GRE tunnel */
t = pool_elt_at_index (gm->tunnels, t_idx);
- gre_nhrp_mk_key (t, ne, &key);
+ if (t->mode != TUNNEL_MODE_MP)
+ return;
+
+ /* the next-hop (underlay) of the NHRP entry will form part of the key for
+ * ingress lookup to match packets to this interface */
+ gre_teib_mk_key (t, ne, &key);
gre_tunnel_db_add (t, &key);
+
+ /* update the rewrites for each of the adjacencies for this peer (overlay)
+ * using the next-hop (underlay) */
+ mgre_walk_ctx_t ctx = {
+ .t = t,
+ .ne = ne
+ };
+ nh = teib_entry_get_peer (ne);
+ adj_nbr_walk_nh (teib_entry_get_sw_if_index (ne),
+ (ip46_address_is_ip4 (nh) ?
+ FIB_PROTOCOL_IP4 :
+ FIB_PROTOCOL_IP6), nh, mgre_mk_complete_walk, &ctx);
}
static void
-gre_nhrp_entry_deleted (const nhrp_entry_t * ne)
+gre_teib_entry_deleted (const teib_entry_t * ne)
{
gre_main_t *gm = &gre_main;
+ const ip46_address_t *nh;
gre_tunnel_key_t key;
gre_tunnel_t *t;
u32 sw_if_index;
u32 t_idx;
- sw_if_index = nhrp_entry_get_sw_if_index (ne);
+ sw_if_index = teib_entry_get_sw_if_index (ne);
if (vec_len (gm->tunnel_index_by_sw_if_index) < sw_if_index)
return;
t = pool_elt_at_index (gm->tunnels, t_idx);
- gre_nhrp_mk_key (t, ne, &key);
+ /* remove the next-hop as an ingress lookup key */
+ gre_teib_mk_key (t, ne, &key);
gre_tunnel_db_remove (t, &key);
+
+ nh = teib_entry_get_peer (ne);
+
+ /* make all the adjacencies incomplete */
+ adj_nbr_walk_nh (teib_entry_get_sw_if_index (ne),
+ (ip46_address_is_ip4 (nh) ?
+ FIB_PROTOCOL_IP4 :
+ FIB_PROTOCOL_IP6), nh, mgre_mk_incomplete_walk, t);
}
static walk_rc_t
-gre_tunnel_delete_nhrp_walk (index_t nei, void *ctx)
+gre_tunnel_delete_teib_walk (index_t nei, void *ctx)
{
gre_tunnel_t *t = ctx;
gre_tunnel_key_t key;
- gre_nhrp_mk_key (t, nhrp_entry_get (nei), &key);
+ gre_teib_mk_key (t, teib_entry_get (nei), &key);
gre_tunnel_db_remove (t, &key);
return (WALK_CONTINUE);
}
static walk_rc_t
-gre_tunnel_add_nhrp_walk (index_t nei, void *ctx)
+gre_tunnel_add_teib_walk (index_t nei, void *ctx)
{
gre_tunnel_t *t = ctx;
gre_tunnel_key_t key;
- gre_nhrp_mk_key (t, nhrp_entry_get (nei), &key);
+ gre_teib_mk_key (t, teib_entry_get (nei), &key);
gre_tunnel_db_add (t, &key);
return (WALK_CONTINUE);
t->type = a->type;
t->mode = a->mode;
+ t->flags = a->flags;
if (t->type == GRE_TUNNEL_TYPE_ERSPAN)
t->session_id = a->session_id;
}
/* Set GRE tunnel interface output node (not used for L3 payload) */
- vnet_set_interface_output_node (vnm, hw_if_index, gre_encap_node.index);
+ if (GRE_TUNNEL_TYPE_ERSPAN == t->type)
+ vnet_set_interface_output_node (vnm, hw_if_index,
+ gre_erspan_encap_node.index);
+ else
+ vnet_set_interface_output_node (vnm, hw_if_index,
+ gre_teb_encap_node.index);
hi = vnet_get_hw_interface (vnm, hw_if_index);
sw_if_index = hi->sw_if_index;
gre_tunnel_db_add (t, &key);
if (t->mode == TUNNEL_MODE_MP)
- nhrp_walk_itf (t->sw_if_index, gre_tunnel_add_nhrp_walk, t);
+ teib_walk_itf (t->sw_if_index, gre_tunnel_add_teib_walk, t);
if (t->type == GRE_TUNNEL_TYPE_ERSPAN)
{
return VNET_API_ERROR_NO_SUCH_ENTRY;
if (t->mode == TUNNEL_MODE_MP)
- nhrp_walk_itf (t->sw_if_index, gre_tunnel_delete_nhrp_walk, t);
+ teib_walk_itf (t->sw_if_index, gre_tunnel_delete_teib_walk, t);
sw_if_index = t->sw_if_index;
vnet_sw_interface_set_flags (vnm, sw_if_index, 0 /* down */ );
};
/* *INDENT-ON* */
-const static nhrp_vft_t gre_nhrp_vft = {
- .nv_added = gre_nhrp_entry_added,
- .nv_deleted = gre_nhrp_entry_deleted,
+const static teib_vft_t gre_teib_vft = {
+ .nv_added = gre_teib_entry_added,
+ .nv_deleted = gre_teib_entry_deleted,
};
/* force inclusion from application's main.c */
clib_error_t *
gre_interface_init (vlib_main_t * vm)
{
- nhrp_register (&gre_nhrp_vft);
+ teib_register (&gre_teib_vft);
return (NULL);
}