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authorArtem Glazychev <artem.glazychev@xored.com>2021-05-28 19:09:14 +0700
committerDamjan Marion <dmarion@me.com>2021-10-08 11:38:56 +0000
commitea96292985760b7fc3af54669e3eab35e7561a10 (patch)
tree05a0317fb9cb7460f86056e16d256e448147eeaa /src/vnet/vxlan-gpe/vxlan_gpe.c
parent3f59c639609be9768f592111e5f8a8a2c23db3ac (diff)
vxlan-gpe: add udp-port configuration support
similar behavior as here: 839dcc0fb7313638d9b8f52a9db81350dddfe461 Type: improvement Signed-off-by: Artem Glazychev <artem.glazychev@xored.com> Change-Id: I1b0a8f8f3dab48839e27df7065cf5f786cf0b5e9
Diffstat (limited to 'src/vnet/vxlan-gpe/vxlan_gpe.c')
-rw-r--r--src/vnet/vxlan-gpe/vxlan_gpe.c61
1 files changed, 39 insertions, 22 deletions
diff --git a/src/vnet/vxlan-gpe/vxlan_gpe.c b/src/vnet/vxlan-gpe/vxlan_gpe.c
index 6fd0561099b..17ffcadcd9f 100644
--- a/src/vnet/vxlan-gpe/vxlan_gpe.c
+++ b/src/vnet/vxlan-gpe/vxlan_gpe.c
@@ -87,11 +87,12 @@ format_vxlan_gpe_tunnel (u8 * s, va_list * 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] 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,
- t->vni, t->encap_fib_index, t->sw_if_index);
+ s = format (s,
+ "[%d] lcl %U rmt %U lcl_port %d rmt_port %d 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, t->local_port,
+ t->remote_port, t->vni, t->encap_fib_index, t->sw_if_index);
#if 0
/* next_dpo not yet used by vxlan-gpe-encap node */
@@ -248,12 +249,14 @@ const static fib_node_vft_t vxlan_gpe_vft = {
.fnv_back_walk = vxlan_gpe_tunnel_back_walk,
};
-#define foreach_gpe_copy_field \
-_(vni) \
-_(protocol) \
-_(mcast_sw_if_index) \
-_(encap_fib_index) \
-_(decap_fib_index)
+#define foreach_gpe_copy_field \
+ _ (vni) \
+ _ (protocol) \
+ _ (mcast_sw_if_index) \
+ _ (encap_fib_index) \
+ _ (decap_fib_index) \
+ _ (local_port) \
+ _ (remote_port)
#define foreach_copy_ipv4 { \
_(local.ip4.as_u32) \
@@ -304,8 +307,8 @@ vxlan4_gpe_rewrite (vxlan_gpe_tunnel_t * t, u32 extension_size,
ip0->checksum = ip4_header_checksum (ip0);
/* UDP header, randomize src port on something, maybe? */
- h0->udp.src_port = clib_host_to_net_u16 (4790);
- h0->udp.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE);
+ h0->udp.src_port = clib_host_to_net_u16 (t->local_port);
+ h0->udp.dst_port = clib_host_to_net_u16 (t->remote_port);
/* VXLAN header. Are we having fun yet? */
h0->vxlan.flags = VXLAN_GPE_FLAGS_I | VXLAN_GPE_FLAGS_P;
@@ -363,8 +366,8 @@ vxlan6_gpe_rewrite (vxlan_gpe_tunnel_t * t, u32 extension_size,
ip0->dst_address.as_u64[1] = t->remote.ip6.as_u64[1];
/* UDP header, randomize src port on something, maybe? */
- h0->udp.src_port = clib_host_to_net_u16 (4790);
- h0->udp.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE);
+ h0->udp.src_port = clib_host_to_net_u16 (t->local_port);
+ h0->udp.dst_port = clib_host_to_net_u16 (t->remote_port);
/* VXLAN header. Are we having fun yet? */
h0->vxlan.flags = VXLAN_GPE_FLAGS_I | VXLAN_GPE_FLAGS_P;
@@ -453,12 +456,19 @@ int vnet_vxlan_gpe_add_del_tunnel
vxlan6_gpe_tunnel_key_t key6, *key6_copy;
u32 is_ip6 = a->is_ip6;
+ /* Set udp-ports */
+ if (a->local_port == 0)
+ a->local_port = is_ip6 ? UDP_DST_PORT_VXLAN6_GPE : UDP_DST_PORT_VXLAN_GPE;
+
+ if (a->remote_port == 0)
+ a->remote_port = is_ip6 ? UDP_DST_PORT_VXLAN6_GPE : UDP_DST_PORT_VXLAN_GPE;
+
if (!is_ip6)
{
key4.local = a->local.ip4.as_u32;
key4.remote = a->remote.ip4.as_u32;
key4.vni = clib_host_to_net_u32 (a->vni << 8);
- key4.pad = 0;
+ key4.port = (u32) clib_host_to_net_u16 (a->local_port);
p = hash_get_mem (ngm->vxlan4_gpe_tunnel_by_key, &key4);
}
@@ -469,6 +479,7 @@ int vnet_vxlan_gpe_add_del_tunnel
key6.remote.as_u64[0] = a->remote.ip6.as_u64[0];
key6.remote.as_u64[1] = a->remote.ip6.as_u64[1];
key6.vni = clib_host_to_net_u32 (a->vni << 8);
+ key6.port = (u32) clib_host_to_net_u16 (a->local_port);
p = hash_get_mem (ngm->vxlan6_gpe_tunnel_by_key, &key6);
}
@@ -719,12 +730,12 @@ int vnet_vxlan_gpe_add_del_tunnel
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 */ );
+ if (!is_ip6 && !udp_is_valid_dst_port (a->local_port, 1))
+ udp_register_dst_port (ngm->vlib_main, a->local_port,
+ vxlan4_gpe_input_node.index, 1 /* is_ip4 */);
+ if (is_ip6 && !udp_is_valid_dst_port (a->remote_port, 0))
+ udp_register_dst_port (ngm->vlib_main, a->remote_port,
+ vxlan6_gpe_input_node.index, 0 /* is_ip4 */);
}
return 0;
@@ -749,6 +760,8 @@ vxlan_gpe_add_del_tunnel_command_fn (vlib_main_t * vm,
u8 protocol = VXLAN_GPE_PROTOCOL_IP4;
u32 vni;
u8 vni_set = 0;
+ u32 local_port = 0;
+ u32 remote_port = 0;
int rv;
u32 tmp;
vnet_vxlan_gpe_add_del_tunnel_args_t _a, *a = &_a;
@@ -833,6 +846,10 @@ vxlan_gpe_add_del_tunnel_command_fn (vlib_main_t * vm,
}
else if (unformat (line_input, "vni %d", &vni))
vni_set = 1;
+ else if (unformat (line_input, "local_port %d", &local_port))
+ ;
+ else if (unformat (line_input, "remote_port %d", &remote_port))
+ ;
else if (unformat (line_input, "next-ip4"))
protocol = VXLAN_GPE_PROTOCOL_IP4;
else if (unformat (line_input, "next-ip6"))