#include <vnet/mfib/mfib_table.h>
#include <vnet/adj/adj_mcast.h>
#include <vnet/adj/rewrite.h>
+#include <vnet/dpo/drop_dpo.h>
#include <vnet/interface.h>
#include <vnet/flow/flow.h>
#include <vnet/udp/udp_local.h>
vxlan_main_t vxlan_main;
+static u32
+vxlan_eth_flag_change (vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 flags)
+{
+ /* nothing for now */
+ return 0;
+}
+
static u8 *
format_decap_next (u8 * s, va_list * args)
{
vxlan_tunnel_t *t = va_arg (*args, vxlan_tunnel_t *);
s = format (s,
- "[%d] instance %d src %U dst %U vni %d fib-idx %d sw-if-idx %d ",
- t->dev_instance, t->user_instance,
- format_ip46_address, &t->src, IP46_TYPE_ANY,
- format_ip46_address, &t->dst, IP46_TYPE_ANY,
- t->vni, t->encap_fib_index, t->sw_if_index);
+ "[%d] instance %d src %U dst %U src_port %d dst_port %d vni %d "
+ "fib-idx %d sw-if-idx %d ",
+ t->dev_instance, t->user_instance, format_ip46_address, &t->src,
+ IP46_TYPE_ANY, format_ip46_address, &t->dst, IP46_TYPE_ANY,
+ t->src_port, t->dst_port, t->vni, t->encap_fib_index,
+ t->sw_if_index);
s = format (s, "encap-dpo-idx %d ", t->next_dpo.dpoi_index);
* skip single bucket load balance dpo's */
while (DPO_LOAD_BALANCE == dpo.dpoi_type)
{
- load_balance_t *lb = load_balance_get (dpo.dpoi_index);
+ const load_balance_t *lb;
+ const dpo_id_t *choice;
+
+ lb = load_balance_get (dpo.dpoi_index);
if (lb->lb_n_buckets > 1)
break;
- dpo_copy (&dpo, load_balance_get_bucket_i (lb, 0));
+ choice = load_balance_get_bucket_i (lb, 0);
+
+ if (DPO_RECEIVE == choice->dpoi_type)
+ dpo_copy (&dpo, drop_dpo_get (choice->dpoi_proto));
+ else
+ dpo_copy (&dpo, choice);
}
u32 encap_index = is_ip4 ?
.fnv_back_walk = vxlan_tunnel_back_walk,
};
-
-#define foreach_copy_field \
-_(vni) \
-_(mcast_sw_if_index) \
-_(encap_fib_index) \
-_(decap_next_index) \
-_(src) \
-_(dst)
+#define foreach_copy_field \
+ _ (vni) \
+ _ (mcast_sw_if_index) \
+ _ (encap_fib_index) \
+ _ (decap_next_index) \
+ _ (src) \
+ _ (dst) \
+ _ (src_port) \
+ _ (dst_port)
static void
vxlan_rewrite (vxlan_tunnel_t * t, bool is_ip6)
}
/* UDP header, randomize src port on something, maybe? */
- udp->src_port = clib_host_to_net_u16 (4789);
- udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_vxlan);
+ udp->src_port = clib_host_to_net_u16 (t->src_port);
+ udp->dst_port = clib_host_to_net_u16 (t->dst_port);
/* VXLAN header */
vnet_set_vni_and_flags (vxlan, t->vni);
vxlan4_tunnel_key_t key4;
vxlan6_tunnel_key_t key6;
u32 is_ip6 = a->is_ip6;
+ vlib_main_t *vm = vlib_get_main ();
+ u8 hw_addr[6];
+
+ /* Set udp-ports */
+ if (a->src_port == 0)
+ a->src_port = is_ip6 ? UDP_DST_PORT_vxlan6 : UDP_DST_PORT_vxlan;
+
+ if (a->dst_port == 0)
+ a->dst_port = is_ip6 ? UDP_DST_PORT_vxlan6 : UDP_DST_PORT_vxlan;
int not_found;
if (!is_ip6)
{
/* ip4 mcast is indexed by mcast addr only */
key4.key[0] = ip46_address_is_multicast (&a->dst) ?
- a->dst.ip4.as_u32 :
- a->dst.ip4.as_u32 | (((u64) a->src.ip4.as_u32) << 32);
- key4.key[1] = (((u64) a->encap_fib_index) << 32)
- | clib_host_to_net_u32 (a->vni << 8);
+ a->dst.ip4.as_u32 :
+ a->dst.ip4.as_u32 | (((u64) a->src.ip4.as_u32) << 32);
+ key4.key[1] = ((u64) clib_host_to_net_u16 (a->src_port) << 48) |
+ (((u64) a->encap_fib_index) << 32) |
+ clib_host_to_net_u32 (a->vni << 8);
not_found =
clib_bihash_search_inline_16_8 (&vxm->vxlan4_tunnel_by_key, &key4);
p = (void *) &key4.value;
{
key6.key[0] = a->dst.ip6.as_u64[0];
key6.key[1] = a->dst.ip6.as_u64[1];
- key6.key[2] = (((u64) a->encap_fib_index) << 32)
- | clib_host_to_net_u32 (a->vni << 8);
+ key6.key[2] = (((u64) clib_host_to_net_u16 (a->src_port) << 48) |
+ ((u64) a->encap_fib_index) << 32) |
+ clib_host_to_net_u32 (a->vni << 8);
not_found =
clib_bihash_search_inline_24_8 (&vxm->vxlan6_tunnel_by_key, &key6);
p = (void *) &key6.value;
pool_put (vxm->tunnels, t);
return VNET_API_ERROR_INSTANCE_IN_USE;
}
+
hash_set (vxm->instance_used, user_instance, 1);
t->dev_instance = dev_instance; /* actual */
- t->user_instance = user_instance; /* name */
+ t->user_instance = user_instance; /* name */
t->flow_index = ~0;
- t->hw_if_index = vnet_register_interface
- (vnm, vxlan_device_class.index, dev_instance,
- vxlan_hw_class.index, dev_instance);
+ if (a->is_l3)
+ t->hw_if_index =
+ vnet_register_interface (vnm, vxlan_device_class.index, dev_instance,
+ vxlan_hw_class.index, dev_instance);
+ else
+ {
+ f64 now = vlib_time_now (vm);
+ u32 rnd;
+ rnd = (u32) (now * 1e6);
+ rnd = random_u32 (&rnd);
+ memcpy (hw_addr + 2, &rnd, sizeof (rnd));
+ hw_addr[0] = 2;
+ hw_addr[1] = 0xfe;
+ if (ethernet_register_interface (
+ vnm, vxlan_device_class.index, dev_instance, hw_addr,
+ &t->hw_if_index, vxlan_eth_flag_change))
+ {
+ hash_unset (vxm->instance_used, t->user_instance);
+
+ pool_put (vxm->tunnels, t);
+ return VNET_API_ERROR_SYSCALL_ERROR_2;
+ }
+ }
+
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, t->hw_if_index);
/* Set vxlan tunnel output node */
if (add_failed)
{
- vnet_delete_hw_interface (vnm, t->hw_if_index);
+ if (a->is_l3)
+ vnet_delete_hw_interface (vnm, t->hw_if_index);
+ else
+ ethernet_delete_interface (vnm, t->hw_if_index);
hash_unset (vxm->instance_used, t->user_instance);
pool_put (vxm->tunnels, t);
return VNET_API_ERROR_INVALID_REGISTRATION;
mcast_shared_remove (&t->dst);
}
- vnet_delete_hw_interface (vnm, t->hw_if_index);
+ vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, t->hw_if_index);
+ if (hw->dev_class_index == vxlan_device_class.index)
+ vnet_delete_hw_interface (vnm, t->hw_if_index);
+ else
+ ethernet_delete_interface (vnm, t->hw_if_index);
hash_unset (vxm->instance_used, t->user_instance);
fib_node_deinit (&t->node);
if (a->is_add)
{
/* register udp ports */
- if (!is_ip6 && !udp_is_valid_dst_port (UDP_DST_PORT_vxlan, 1))
- udp_register_dst_port (vxm->vlib_main, UDP_DST_PORT_vxlan,
+ if (!is_ip6 && !udp_is_valid_dst_port (a->src_port, 1))
+ udp_register_dst_port (vxm->vlib_main, a->src_port,
vxlan4_input_node.index, 1);
- if (is_ip6 && !udp_is_valid_dst_port (UDP_DST_PORT_vxlan6, 0))
- udp_register_dst_port (vxm->vlib_main, UDP_DST_PORT_vxlan6,
+ if (is_ip6 && !udp_is_valid_dst_port (a->src_port, 0))
+ udp_register_dst_port (vxm->vlib_main, a->src_port,
vxlan6_input_node.index, 0);
}
u8 grp_set = 0;
u8 ipv4_set = 0;
u8 ipv6_set = 0;
+ u8 is_l3 = 0;
u32 instance = ~0;
u32 encap_fib_index = 0;
u32 mcast_sw_if_index = ~0;
u32 decap_next_index = VXLAN_INPUT_NEXT_L2_INPUT;
u32 vni = 0;
+ u32 src_port = 0;
+ u32 dst_port = 0;
u32 table_id;
clib_error_t *parse_error = NULL;
encap_fib_index =
fib_table_find (fib_ip_proto (ipv6_set), table_id);
}
+ else if (unformat (line_input, "l3"))
+ is_l3 = 1;
else if (unformat (line_input, "decap-next %U", unformat_decap_next,
&decap_next_index, ipv4_set))
;
else if (unformat (line_input, "vni %d", &vni))
;
+ else if (unformat (line_input, "src_port %d", &src_port))
+ ;
+ else if (unformat (line_input, "dst_port %d", &dst_port))
+ ;
else
{
parse_error = clib_error_return (0, "parse error: '%U'",
if (parse_error)
return parse_error;
+ if (is_l3 && decap_next_index == VXLAN_INPUT_NEXT_L2_INPUT)
+ {
+ vlib_node_t *node = vlib_get_node_by_name (
+ vm, (u8 *) (ipv4_set ? "ip4-input" : "ip6-input"));
+ decap_next_index = get_decap_next_for_node (node->index, ipv4_set);
+ }
+
if (encap_fib_index == ~0)
return clib_error_return (0, "nonexistent encap-vrf-id %d", table_id);
if (vni >> 24)
return clib_error_return (0, "vni %d out of range", vni);
- vnet_vxlan_add_del_tunnel_args_t a = {
- .is_add = is_add,
- .is_ip6 = ipv6_set,
- .instance = instance,
+ vnet_vxlan_add_del_tunnel_args_t a = { .is_add = is_add,
+ .is_ip6 = ipv6_set,
+ .is_l3 = is_l3,
+ .instance = instance,
#define _(x) .x = x,
- foreach_copy_field
+ foreach_copy_field
#undef _
};
*
* @cliexpar
* Example of how to create a VXLAN Tunnel:
- * @cliexcmd{create vxlan tunnel src 10.0.3.1 dst 10.0.3.3 vni 13 encap-vrf-id 7}
+ * @cliexcmd{create vxlan tunnel src 10.0.3.1 dst 10.0.3.3 vni 13 encap-vrf-id
+ 7}
* Example of how to create a VXLAN Tunnel with a known name, vxlan_tunnel42:
* @cliexcmd{create vxlan tunnel src 10.0.3.1 dst 10.0.3.3 instance 42}
- * Example of how to create a multicast VXLAN Tunnel with a known name, vxlan_tunnel23:
- * @cliexcmd{create vxlan tunnel src 10.0.3.1 group 239.1.1.1 GigabitEthernet0/8/0 instance 23}
+ * Example of how to create a multicast VXLAN Tunnel with a known name,
+ vxlan_tunnel23:
+ * @cliexcmd{create vxlan tunnel src 10.0.3.1 group 239.1.1.1
+ GigabitEthernet0/8/0 instance 23}
+ * Example of how to create a VXLAN Tunnel with custom udp-ports:
+ * @cliexcmd{create vxlan tunnel src 10.0.3.1 dst 10.0.3.3 vni 13 src_port
+ 59000 dst_port 59001}
* Example of how to delete a VXLAN Tunnel:
* @cliexcmd{create vxlan tunnel src 10.0.3.1 dst 10.0.3.3 vni 13 del}
?*/
VLIB_CLI_COMMAND (create_vxlan_tunnel_command, static) = {
.path = "create vxlan tunnel",
.short_help =
- "create vxlan tunnel src <local-vtep-addr>"
- " {dst <remote-vtep-addr>|group <mcast-vtep-addr> <intf-name>} vni <nn>"
- " [instance <id>]"
- " [encap-vrf-id <nn>] [decap-next [l2|node <name>]] [del]",
+ "create vxlan tunnel src <local-vtep-addr>"
+ " {dst <remote-vtep-addr>|group <mcast-vtep-addr> <intf-name>} vni <nn>"
+ " [instance <id>]"
+ " [encap-vrf-id <nn>] [decap-next [l2|node <name>]] [del] [l3]"
+ " [src_port <local-vtep-udp-port>] [dst_port <remote-vtep-udp-port>]",
.function = vxlan_add_del_tunnel_command_fn,
};
/* *INDENT-ON* */
* @cliexpar
* Example of how to display the VXLAN Tunnel entries:
* @cliexstart{show vxlan tunnel}
- * [0] src 10.0.3.1 dst 10.0.3.3 vni 13 encap_fib_index 0 sw_if_index 5 decap_next l2
+ * [0] src 10.0.3.1 dst 10.0.3.3 src_port 4789 dst_port 4789 vni 13
+ encap_fib_index 0 sw_if_index 5 decap_next l2
* @cliexend
?*/
/* *INDENT-OFF* */
.dst_addr.addr = t->src.ip4,
.src_addr.mask.as_u32 = ~0,
.dst_addr.mask.as_u32 = ~0,
- .dst_port.port = UDP_DST_PORT_vxlan,
+ .dst_port.port = t->src_port,
.dst_port.mask = 0xFF,
.vni = t->vni,
}