#include <vnet/ip/format.h>
#include <vnet/fib/fib_entry.h>
#include <vnet/fib/fib_table.h>
+#include <vnet/fib/fib_entry_track.h>
#include <vnet/mfib/mfib_table.h>
#include <vnet/adj/adj_mcast.h>
#include <vnet/interface.h>
vxlan_gpe_main_t vxlan_gpe_main;
+static u8 *
+format_decap_next (u8 * s, va_list * args)
+{
+ vxlan_gpe_tunnel_t *t = va_arg (*args, vxlan_gpe_tunnel_t *);
+
+ switch (t->protocol)
+ {
+ case VXLAN_GPE_PROTOCOL_IP4:
+ s = format (s, "protocol ip4 fib-idx %d", t->decap_fib_index);
+ break;
+ case VXLAN_GPE_PROTOCOL_IP6:
+ s = format (s, "protocol ip6 fib-idx %d", t->decap_fib_index);
+ break;
+ case VXLAN_GPE_PROTOCOL_ETHERNET:
+ s = format (s, "protocol ethernet");
+ break;
+ case VXLAN_GPE_PROTOCOL_NSH:
+ s = format (s, "protocol nsh");
+ break;
+ default:
+ s = format (s, "protocol unknown %d", t->protocol);
+ }
+
+ return s;
+}
+
/**
- * @brief Tracing function for VXLAN GPE tunnel packets
+ * @brief Format function for VXLAN GPE tunnel
*
* @param *s formatting string
* @param *args
vxlan_gpe_tunnel_t *t = va_arg (*args, vxlan_gpe_tunnel_t *);
vxlan_gpe_main_t *ngm = &vxlan_gpe_main;
- s = format (s, "[%d] local: %U remote: %U ",
+ s = format (s, "[%d] lcl %U rmt %U vni %d fib-idx %d sw-if-idx %d ",
t - ngm->tunnels,
format_ip46_address, &t->local, IP46_TYPE_ANY,
- format_ip46_address, &t->remote, IP46_TYPE_ANY);
+ format_ip46_address, &t->remote, IP46_TYPE_ANY,
+ t->vni, t->encap_fib_index, t->sw_if_index);
- s = format (s, " vxlan VNI %d ", t->vni);
+#if 0
+ /* next_dpo not yet used by vxlan-gpe-encap node */
+ s = format (s, "encap-dpo-idx %d ", t->next_dpo.dpoi_index);
+ */
+#endif
+ s = format (s, "decap-next-%U ", format_decap_next, t);
- switch (t->protocol)
- {
- case VXLAN_GPE_PROTOCOL_IP4:
- s = format (s, "next-protocol ip4");
- break;
- case VXLAN_GPE_PROTOCOL_IP6:
- s = format (s, "next-protocol ip6");
- break;
- case VXLAN_GPE_PROTOCOL_ETHERNET:
- s = format (s, "next-protocol ethernet");
- break;
- case VXLAN_GPE_PROTOCOL_NSH:
- s = format (s, "next-protocol nsh");
- break;
- default:
- s = format (s, "next-protocol unknown %d", t->protocol);
- }
-
- if (ip46_address_is_multicast (&t->remote))
- s = format (s, "mcast_sw_if_index %d ", t->mcast_sw_if_index);
-
- s = format (s, " fibs: (encap %d, decap %d)",
- t->encap_fib_index, t->decap_fib_index);
+ if (PREDICT_FALSE (ip46_address_is_multicast (&t->remote)))
+ s = format (s, "mcast-sw-if-idx %d ", t->mcast_sw_if_index);
return s;
}
return format (s, "vxlan_gpe_tunnel%d", dev_instance);
}
-static uword
-dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- clib_warning ("you shouldn't be here, leaking buffers...");
- return frame->n_vectors;
-}
-
/**
* @brief CLI function for VXLAN GPE admin up/down
*
.name = "VXLAN_GPE",
.format_device_name = format_vxlan_gpe_name,
.format_tx_trace = format_vxlan_gpe_encap_trace,
- .tx_function = dummy_interface_tx,
.admin_up_down_function = vxlan_gpe_interface_admin_up_down,
};
/* *INDENT-ON* */
return (0);
}
-static void
-hash_set_key_copy (uword ** h, void *key, uword v)
-{
- size_t ksz = hash_header (*h)->user;
- void *copy = clib_mem_alloc (ksz);
- clib_memcpy (copy, key, ksz);
- hash_set_mem (*h, copy, v);
-}
-
-static void
-hash_unset_key_free (uword ** h, void *key)
-{
- hash_pair_t *hp = hash_get_pair_mem (*h, key);
- ASSERT (hp);
- key = uword_to_pointer (hp->key, void *);
- hash_unset_mem (*h, key);
- clib_mem_free (key);
-}
-
-static uword
-vtep_addr_ref (ip46_address_t * ip)
-{
- uword *vtep = ip46_address_is_ip4 (ip) ?
- hash_get (vxlan_gpe_main.vtep4, ip->ip4.as_u32) :
- hash_get_mem (vxlan_gpe_main.vtep6, &ip->ip6);
- if (vtep)
- return ++(*vtep);
- ip46_address_is_ip4 (ip) ?
- hash_set (vxlan_gpe_main.vtep4, ip->ip4.as_u32, 1) :
- hash_set_key_copy (&vxlan_gpe_main.vtep6, &ip->ip6, 1);
- return 1;
-}
-
-static uword
-vtep_addr_unref (ip46_address_t * ip)
-{
- uword *vtep = ip46_address_is_ip4 (ip) ?
- hash_get (vxlan_gpe_main.vtep4, ip->ip4.as_u32) :
- hash_get_mem (vxlan_gpe_main.vtep6, &ip->ip6);
- ASSERT (vtep);
- if (--(*vtep) != 0)
- return *vtep;
- ip46_address_is_ip4 (ip) ?
- hash_unset (vxlan_gpe_main.vtep4, ip->ip4.as_u32) :
- hash_unset_key_free (&vxlan_gpe_main.vtep6, &ip->ip6);
- return 0;
-}
-
/* *INDENT-OFF* */
typedef CLIB_PACKED(union {
struct {
{
ASSERT (ip46_address_is_multicast (ip));
uword *p = hash_get_mem (vxlan_gpe_main.mcast_shared, ip);
- ASSERT (p);
+ ALWAYS_ASSERT (p);
return (mcast_shared_t)
{
.as_u64 = *p};
.mfib_entry_index = mfei,
};
- hash_set_key_copy (&vxlan_gpe_main.mcast_shared, remote, new_ep.as_u64);
+ hash_set_mem_alloc (&vxlan_gpe_main.mcast_shared, remote, new_ep.as_u64);
}
static inline void
adj_unlock (ep.mcast_adj_index);
mfib_table_entry_delete_index (ep.mfib_entry_index, MFIB_SOURCE_VXLAN_GPE);
- hash_unset_key_free (&vxlan_gpe_main.mcast_shared, remote);
-}
-
-static inline fib_protocol_t
-fib_ip_proto (bool is_ip6)
-{
- return (is_ip6) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
+ hash_unset_mem_free (&vxlan_gpe_main.mcast_shared, remote);
}
/**
return VNET_API_ERROR_TUNNEL_EXIST;
pool_get_aligned (ngm->tunnels, t, CLIB_CACHE_LINE_BYTES);
- memset (t, 0, sizeof (*t));
+ clib_memset (t, 0, sizeof (*t));
/* copy from arg structure */
+/* *INDENT-OFF* */
#define _(x) t->x = a->x;
foreach_gpe_copy_field;
if (!a->is_ip6)
foreach_copy_ipv4
- else
+ else
foreach_copy_ipv6
#undef _
- if (!a->is_ip6)
- t->flags |= VXLAN_GPE_TUNNEL_IS_IPV4;
+/* *INDENT-ON* */
+
+ if (!a->is_ip6)
+ t->flags |= VXLAN_GPE_TUNNEL_IS_IPV4;
if (!a->is_ip6)
{
if (!is_ip6)
{
key4_copy = clib_mem_alloc (sizeof (*key4_copy));
- clib_memcpy (key4_copy, &key4, sizeof (*key4_copy));
+ clib_memcpy_fast (key4_copy, &key4, sizeof (*key4_copy));
hash_set_mem (ngm->vxlan4_gpe_tunnel_by_key, key4_copy,
t - ngm->tunnels);
}
else
{
key6_copy = clib_mem_alloc (sizeof (*key6_copy));
- clib_memcpy (key6_copy, &key6, sizeof (*key6_copy));
+ clib_memcpy_fast (key6_copy, &key6, sizeof (*key6_copy));
hash_set_mem (ngm->vxlan6_gpe_tunnel_by_key, key6_copy,
t - ngm->tunnels);
}
(vnm, vxlan_gpe_device_class.index, t - ngm->tunnels,
vxlan_gpe_hw_class.index, t - ngm->tunnels);
hi = vnet_get_hw_interface (vnm, hw_if_index);
- hi->output_node_index = vxlan_gpe_encap_node.index;
}
+ /* Set vxlan-gpe tunnel output node */
+ u32 encap_index = vxlan_gpe_encap_node.index;
+ vnet_set_interface_output_node (vnm, hw_if_index, encap_index);
+
t->hw_if_index = hw_if_index;
t->sw_if_index = sw_if_index = hi->sw_if_index;
vec_validate_init_empty (ngm->tunnel_index_by_sw_if_index, sw_if_index,
VNET_SW_INTERFACE_FLAG_ADMIN_UP);
fib_node_init (&t->node, FIB_NODE_TYPE_VXLAN_GPE_TUNNEL);
fib_prefix_t tun_remote_pfx;
- u32 encap_index = vxlan_gpe_encap_node.index;
vnet_flood_class_t flood_class = VNET_FLOOD_CLASS_TUNNEL_NORMAL;
fib_prefix_from_ip46_addr (&t->remote, &tun_remote_pfx);
* when the forwarding for the entry updates, and the tunnel can
* re-stack accordingly
*/
- vtep_addr_ref (&t->local);
- t->fib_entry_index = fib_table_entry_special_add
- (t->encap_fib_index, &tun_remote_pfx, FIB_SOURCE_RR,
- FIB_ENTRY_FLAG_NONE);
- t->sibling_index = fib_entry_child_add
- (t->fib_entry_index, FIB_NODE_TYPE_VXLAN_GPE_TUNNEL,
- t - ngm->tunnels);
+ vtep_addr_ref (&ngm->vtep_table, t->encap_fib_index, &t->local);
+ t->fib_entry_index = fib_entry_track (t->encap_fib_index,
+ &tun_remote_pfx,
+ FIB_NODE_TYPE_VXLAN_GPE_TUNNEL,
+ t - ngm->tunnels,
+ &t->sibling_index);
vxlan_gpe_tunnel_restack_dpo (t);
}
else
{
/* Multicast tunnel -
- * as the same mcast group can be used for mutiple mcast tunnels
- * with different VNIs, create the output fib adjecency only if
+ * as the same mcast group can be used for multiple mcast tunnels
+ * with different VNIs, create the output fib adjacency only if
* it does not already exist
*/
fib_protocol_t fp = fib_ip_proto (is_ip6);
- if (vtep_addr_ref (&t->remote) == 1)
+ if (vtep_addr_ref (&ngm->vtep_table,
+ t->encap_fib_index, &t->remote) == 1)
{
fib_node_index_t mfei;
adj_index_t ai;
.frp_addr = zero_addr,
.frp_sw_if_index = 0xffffffff,
.frp_fib_index = ~0,
- .frp_weight = 0,
+ .frp_weight = 1,
.frp_flags = FIB_ROUTE_PATH_LOCAL,
+ .frp_mitf_flags = MFIB_ITF_FLAG_FORWARD,
};
const mfib_prefix_t mpfx = {
.fp_proto = fp,
*/
mfib_table_entry_path_update (t->encap_fib_index,
&mpfx,
- MFIB_SOURCE_VXLAN_GPE,
- &path, MFIB_ITF_FLAG_FORWARD);
+ MFIB_SOURCE_VXLAN_GPE, &path);
path.frp_sw_if_index = a->mcast_sw_if_index;
path.frp_flags = FIB_ROUTE_PATH_FLAG_NONE;
+ path.frp_mitf_flags = MFIB_ITF_FLAG_ACCEPT;
mfei = mfib_table_entry_path_update (t->encap_fib_index,
&mpfx,
MFIB_SOURCE_VXLAN_GPE,
- &path,
- MFIB_ITF_FLAG_ACCEPT);
+ &path);
/*
* Create the mcast adjacency to send traffic to the group
flood_class = VNET_FLOOD_CLASS_TUNNEL_MASTER;
}
- /* Set vxlan tunnel output node */
- hi->output_node_index = encap_index;
-
vnet_get_sw_interface (vnet_get_main (), sw_if_index)->flood_class =
flood_class;
}
vnet_sw_interface_set_flags (vnm, t->sw_if_index, 0 /* down */ );
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, t->sw_if_index);
si->flags |= VNET_SW_INTERFACE_FLAG_HIDDEN;
- set_int_l2_mode (ngm->vlib_main, vnm, MODE_L3, t->sw_if_index, 0, 0, 0,
- 0);
+ set_int_l2_mode (ngm->vlib_main, vnm, MODE_L3, t->sw_if_index, 0,
+ L2_BD_PORT_TYPE_NORMAL, 0, 0);
vec_add1 (ngm->free_vxlan_gpe_tunnel_hw_if_indices, t->hw_if_index);
ngm->tunnel_index_by_sw_if_index[t->sw_if_index] = ~0;
if (!is_ip6)
hash_unset (ngm->vxlan4_gpe_tunnel_by_key, key4.as_u64);
else
- hash_unset_key_free (&ngm->vxlan6_gpe_tunnel_by_key, &key6);
+ hash_unset_mem_free (&ngm->vxlan6_gpe_tunnel_by_key, &key6);
if (!ip46_address_is_multicast (&t->remote))
{
- vtep_addr_unref (&t->local);
- fib_entry_child_remove (t->fib_entry_index, t->sibling_index);
- fib_table_entry_delete_index (t->fib_entry_index, FIB_SOURCE_RR);
+ vtep_addr_unref (&ngm->vtep_table, t->encap_fib_index, &t->local);
+ fib_entry_untrack (t->fib_entry_index, t->sibling_index);
}
- else if (vtep_addr_unref (&t->remote) == 0)
+ else if (vtep_addr_unref (&ngm->vtep_table,
+ t->encap_fib_index, &t->remote) == 0)
{
mcast_shared_remove (&t->remote);
}
if (sw_if_indexp)
*sw_if_indexp = sw_if_index;
+ if (a->is_add)
+ {
+ /* register udp ports */
+ if (!is_ip6 && !udp_is_valid_dst_port (UDP_DST_PORT_VXLAN_GPE, 1))
+ udp_register_dst_port (ngm->vlib_main, UDP_DST_PORT_VXLAN_GPE,
+ vxlan4_gpe_input_node.index, 1 /* is_ip4 */ );
+ if (is_ip6 && !udp_is_valid_dst_port (UDP_DST_PORT_VXLAN6_GPE, 0))
+ udp_register_dst_port (ngm->vlib_main, UDP_DST_PORT_VXLAN6_GPE,
+ vxlan6_gpe_input_node.index, 0 /* is_ip4 */ );
+ }
+
return 0;
}
goto done;
}
- memset (a, 0, sizeof (*a));
+ clib_memset (a, 0, sizeof (*a));
a->is_add = is_add;
a->is_ip6 = ipv6_set;
+/* *INDENT-OFF* */
#define _(x) a->x = x;
foreach_gpe_copy_field;
if (ipv4_set)
foreach_copy_ipv4
- else
+ else
foreach_copy_ipv6
#undef _
- rv = vnet_vxlan_gpe_add_del_tunnel (a, &sw_if_index);
+/* *INDENT-ON* */
+
+ rv = vnet_vxlan_gpe_add_del_tunnel (a, &sw_if_index);
switch (rv)
{
* center or be separated geographically as long as they are reachable
* through the underlay L3 network.
*
- * You can refer to this kind of L2 overlay bridge domain as a VXLAN-GPE sengment.
+ * You can refer to this kind of L2 overlay bridge domain as a VXLAN-GPE segment.
*
* @cliexpar
* Example of how to create a VXLAN-GPE Tunnel:
- * @cliexcmd{create vxlan-gpe tunnel local 10.0.3.1 local 10.0.3.3 vni 13 encap-vrf-id 7}
- * Example of how to delete a VXLAN Tunnel:
- * @cliexcmd{create vxlan tunnel src 10.0.3.1 remote 10.0.3.3 vni 13 del}
+ * @cliexcmd{create vxlan-gpe tunnel local 10.0.3.1 remote 10.0.3.3 vni 13 encap-vrf-id 7}
+ * Example of how to delete a VXLAN-GPE Tunnel:
+ * @cliexcmd{create vxlan-gpe tunnel local 10.0.3.1 remote 10.0.3.3 vni 13 del}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (create_vxlan_gpe_tunnel_command, static) = {
* ip4-lookup [2]
* @cliexend
*
- * Example of how to display the feature enabed on an interface:
+ * Example of how to display the feature enabled on an interface:
* @cliexstart{show ip interface features GigabitEthernet2/0/0}
* IP feature paths configured on GigabitEthernet2/0/0...
* ...
* ip6-lookup [2]
* @cliexend
*
- * Example of how to display the feature enabed on an interface:
+ * Example of how to display the feature enabled on an interface:
* @cliexstart{show ip interface features GigabitEthernet2/0/0}
* IP feature paths configured on GigabitEthernet2/0/0...
* ...
VLIB_CLI_COMMAND (set_interface_ip6_vxlan_gpe_bypass_command, static) = {
.path = "set interface ip6 vxlan-gpe-bypass",
.function = set_ip6_vxlan_gpe_bypass,
- .short_help = "set interface ip vxlan-gpe-bypass <interface> [del]",
+ .short_help = "set interface ip6 vxlan-gpe-bypass <interface> [del]",
};
/* *INDENT-ON* */
ngm->mcast_shared = hash_create_mem (0,
sizeof (ip46_address_t),
sizeof (mcast_shared_t));
- ngm->vtep6 = hash_create_mem (0, sizeof (ip6_address_t), sizeof (uword));
-
- udp_register_dst_port (vm, UDP_DST_PORT_VXLAN_GPE,
- vxlan4_gpe_input_node.index, 1 /* is_ip4 */ );
- udp_register_dst_port (vm, UDP_DST_PORT_VXLAN6_GPE,
- vxlan6_gpe_input_node.index, 0 /* is_ip4 */ );
+ ngm->vtep_table = vtep_table_create ();
/* Register the list of standard decap protocols supported */
vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_IP4,
vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_IP6,
VXLAN_GPE_INPUT_NEXT_IP6_INPUT);
vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_ETHERNET,
- VXLAN_GPE_INPUT_NEXT_ETHERNET_INPUT);
+ VXLAN_GPE_INPUT_NEXT_L2_INPUT);
fib_node_register_type (FIB_NODE_TYPE_VXLAN_GPE_TUNNEL, &vxlan_gpe_vft);