*/
#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
#include <vnet/gre/gre.h>
#include <vnet/ip/format.h>
-#include <vnet/fib/ip4_fib.h>
-#include <vnet/fib/ip6_fib.h>
+#include <vnet/fib/fib_table.h>
#include <vnet/adj/adj_midchain.h>
#include <vnet/adj/adj_nbr.h>
#include <vnet/mpls/mpls.h>
}
}
+/**
+ * mgre_tunnel_stack
+ *
+ * 'stack' (resolve the recursion for) the tunnel's midchain adjacency
+ */
+static void
+mgre_tunnel_stack (adj_index_t ai)
+{
+ gre_main_t *gm = &gre_main;
+ const ip_adjacency_t *adj;
+ const gre_tunnel_t *gt;
+ u32 sw_if_index;
+
+ adj = adj_get (ai);
+ sw_if_index = adj->rewrite_header.sw_if_index;
+
+ if ((vec_len (gm->tunnel_index_by_sw_if_index) <= sw_if_index) ||
+ (~0 == gm->tunnel_index_by_sw_if_index[sw_if_index]))
+ return;
+
+ gt = pool_elt_at_index (gm->tunnels,
+ gm->tunnel_index_by_sw_if_index[sw_if_index]);
+
+ if ((vnet_hw_interface_get_flags (vnet_get_main (), gt->hw_if_index) &
+ VNET_HW_INTERFACE_FLAG_LINK_UP) == 0)
+ {
+ adj_midchain_delegate_unstack (ai);
+ }
+ else
+ {
+ const teib_entry_t *ne;
+
+ ne = teib_entry_find_46 (sw_if_index, adj->ia_nh_proto,
+ &adj->sub_type.nbr.next_hop);
+ if (NULL != ne)
+ teib_entry_adj_stack (ne, ai);
+ }
+}
+
/**
* @brief Call back when restacking all adjacencies on a GRE interface
*/
return (ADJ_WALK_RC_CONTINUE);
}
+static adj_walk_rc_t
+mgre_adj_walk_cb (adj_index_t ai, void *ctx)
+{
+ mgre_tunnel_stack (ai);
+
+ return (ADJ_WALK_RC_CONTINUE);
+}
static void
gre_tunnel_restack (gre_tunnel_t * gt)
*/
FOR_EACH_FIB_IP_PROTOCOL (proto)
{
- adj_nbr_walk (gt->sw_if_index, proto, gre_adj_walk_cb, NULL);
+ switch (gt->mode)
+ {
+ case TUNNEL_MODE_P2P:
+ adj_nbr_walk (gt->sw_if_index, proto, gre_adj_walk_cb, NULL);
+ break;
+ case TUNNEL_MODE_MP:
+ adj_nbr_walk (gt->sw_if_index, proto, mgre_adj_walk_cb, NULL);
+ break;
+ }
}
}
}
/**
- * An NHRP entry has been added
+ * An TEIB entry has been added
*/
static void
gre_teib_entry_added (const teib_entry_t * ne)
gre_tunnel_add_teib_walk (index_t nei, void *ctx)
{
gre_tunnel_t *t = ctx;
- gre_tunnel_key_t key;
+ gre_tunnel_key_t key = {};
gre_teib_mk_key (t, teib_entry_get (nei), &key);
gre_tunnel_db_add (t, &key);
{
gre_main_t *gm = &gre_main;
vnet_main_t *vnm = gm->vnet_main;
- ip4_main_t *im4 = &ip4_main;
- ip6_main_t *im6 = &ip6_main;
gre_tunnel_t *t;
vnet_hw_interface_t *hi;
u32 hw_if_index, sw_if_index;
- clib_error_t *error;
u8 is_ipv6 = a->is_ipv6;
gre_tunnel_key_t key;
}
else
{
+ vnet_eth_interface_registration_t eir = {};
+
/* Default MAC address (d00b:eed0:0000 + sw_if_index) */
u8 address[6] =
{ 0xd0, 0x0b, 0xee, 0xd0, (u8) (t_idx >> 8), (u8) t_idx };
- error =
- ethernet_register_interface (vnm, gre_device_class.index, t_idx,
- address, &hw_if_index, 0);
- if (error)
- {
- clib_error_report (error);
- return VNET_API_ERROR_INVALID_REGISTRATION;
- }
+
+ eir.dev_class_index = gre_device_class.index;
+ eir.dev_instance = t_idx;
+ eir.address = address;
+ hw_if_index = vnet_eth_register_interface (vnm, &eir);
}
/* Set GRE tunnel interface output node (not used for L3 payload) */
if (!is_ipv6)
{
- vec_validate (im4->fib_index_by_sw_if_index, sw_if_index);
- hi->min_packet_bytes =
- 64 + sizeof (gre_header_t) + sizeof (ip4_header_t);
+ hi->frame_overhead = sizeof (gre_header_t) + sizeof (ip4_header_t);
+ hi->min_frame_size = hi->frame_overhead + 64;
}
else
{
- vec_validate (im6->fib_index_by_sw_if_index, sw_if_index);
- hi->min_packet_bytes =
- 64 + sizeof (gre_header_t) + sizeof (ip6_header_t);
+ hi->frame_overhead = sizeof (gre_header_t) + sizeof (ip6_header_t);
+ hi->min_frame_size = hi->frame_overhead + 64;
}
/* Standard default gre MTU. */
{
t->l2_adj_index = adj_nbr_add_or_lock
(t->tunnel_dst.fp_proto, VNET_LINK_ETHERNET, &zero_addr, sw_if_index);
+ vnet_set_interface_l3_output_node (gm->vlib_main, sw_if_index,
+ (u8 *) "tunnel-output-no-count");
gre_update_adj (vnm, t->sw_if_index, t->l2_adj_index);
}
-
+ else
+ {
+ vnet_set_interface_l3_output_node (gm->vlib_main, sw_if_index,
+ (u8 *) "tunnel-output");
+ }
if (sw_if_indexp)
*sw_if_indexp = sw_if_index;
clib_mem_free (t->gre_sn);
}
+ vnet_reset_interface_l3_output_node (gm->vlib_main, sw_if_index);
hash_unset (gm->instance_used, t->user_instance);
gre_tunnel_db_remove (t, &key);
pool_put (gm->tunnels, t);
{
u32 outer_fib_index;
- if (!a->is_ipv6)
- outer_fib_index = ip4_fib_index_from_table_id (a->outer_table_id);
- else
- outer_fib_index = ip6_fib_index_from_table_id (a->outer_table_id);
+ outer_fib_index = fib_table_find ((a->is_ipv6 ?
+ FIB_PROTOCOL_IP6 :
+ FIB_PROTOCOL_IP4), a->outer_table_id);
if (~0 == outer_fib_index)
return VNET_API_ERROR_NO_SUCH_FIB;
u32 outer_table_id = 0;
gre_tunnel_type_t t_type = GRE_TUNNEL_TYPE_L3;
tunnel_mode_t t_mode = TUNNEL_MODE_P2P;
+ tunnel_encap_decap_flags_t flags = TUNNEL_ENCAP_DECAP_FLAG_NONE;
u32 session_id = 0;
int rv;
u8 is_add = 1;
t_type = GRE_TUNNEL_TYPE_TEB;
else if (unformat (line_input, "erspan %d", &session_id))
t_type = GRE_TUNNEL_TYPE_ERSPAN;
+ else
+ if (unformat
+ (line_input, "flags %U", unformat_tunnel_encap_decap_flags,
+ &flags))
+ ;
else
{
error = clib_error_return (0, "unknown input `%U'",
a->session_id = session_id;
a->is_ipv6 = !ip46_address_is_ip4 (&src);
a->instance = instance;
+ a->flags = flags;
clib_memcpy (&a->src, &src, sizeof (a->src));
clib_memcpy (&a->dst, &dst, sizeof (a->dst));
VLIB_CLI_COMMAND (create_gre_tunnel_command, static) = {
.path = "create gre tunnel",
.short_help = "create gre tunnel src <addr> dst <addr> [instance <n>] "
- "[outer-fib-id <fib>] [teb | erspan <session-id>] [del]",
+ "[outer-fib-id <fib>] [teb | erspan <session-id>] [del] "
+ "[multipoint]",
.function = create_gre_tunnel_command_fn,
};
/* *INDENT-ON* */
if (~0 == ti)
{
/* *INDENT-OFF* */
- pool_foreach (t, gm->tunnels,
- ({
+ pool_foreach (t, gm->tunnels)
+ {
vlib_cli_output (vm, "%U", format_gre_tunnel, t);
- }));
+ }
/* *INDENT-ON* */
}
else