* limitations under the License.
*/
#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <vnet/ip/format.h>
vxlan_gpe_main_t vxlan_gpe_main;
s = format (s, "[%d] local: %U remote: %U ",
t - gm->tunnels,
- format_ip4_address, &t->local,
- format_ip4_address, &t->remote);
+ format_ip46_address, &t->local,
+ format_ip46_address, &t->remote);
+
+ s = format (s, " vxlan VNI %d ", t->vni);
switch (t->protocol)
{
t->encap_fib_index,
t->decap_fib_index);
- s = format (s, " vxlan VNI %d ", t->vni);
-
return s;
}
#define foreach_gpe_copy_field \
-_(local.as_u32) \
-_(remote.as_u32) \
_(vni) \
_(protocol) \
_(encap_fib_index) \
-_(decap_fib_index)
-
-#define foreach_copy_field \
-_(src.as_u32) \
-_(dst.as_u32) \
-_(vni) \
-_(encap_fib_index) \
_(decap_fib_index) \
_(decap_next_index)
+#define foreach_copy_ipv4 { \
+ _(local.ip4.as_u32) \
+ _(remote.ip4.as_u32) \
+}
+#define foreach_copy_ipv6 { \
+ _(local.ip6.as_u64[0]) \
+ _(local.ip6.as_u64[1]) \
+ _(remote.ip6.as_u64[0]) \
+ _(remote.ip6.as_u64[1]) \
+}
-static int vxlan_gpe_rewrite (vxlan_gpe_tunnel_t * t)
+
+static int vxlan4_gpe_rewrite (vxlan_gpe_tunnel_t * t)
{
u8 *rw = 0;
ip4_header_t * ip0;
ip0->protocol = IP_PROTOCOL_UDP;
/* we fix up the ip4 header length and checksum after-the-fact */
- ip0->src_address.as_u32 = t->local.as_u32;
- ip0->dst_address.as_u32 = t->remote.as_u32;
+ ip0->src_address.as_u32 = t->local.ip4.as_u32;
+ ip0->dst_address.as_u32 = t->remote.ip4.as_u32;
ip0->checksum = ip4_header_checksum (ip0);
/* UDP header, randomize src port on something, maybe? */
return (0);
}
+static int vxlan6_gpe_rewrite (vxlan_gpe_tunnel_t * t)
+{
+ u8 *rw = 0;
+ ip6_header_t * ip0;
+ ip6_vxlan_gpe_header_t * h0;
+ int len;
+
+ len = sizeof (*h0);
+
+ vec_validate_aligned (rw, len-1, CLIB_CACHE_LINE_BYTES);
+
+ h0 = (ip6_vxlan_gpe_header_t *) rw;
+
+ /* Fixed portion of the (outer) ip4 header */
+ ip0 = &h0->ip6;
+ ip0->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32(6 << 28);
+ ip0->hop_limit = 255;
+ ip0->protocol = IP_PROTOCOL_UDP;
+
+ ip0->src_address.as_u64[0] = t->local.ip6.as_u64[0];
+ ip0->src_address.as_u64[1] = t->local.ip6.as_u64[1];
+ ip0->dst_address.as_u64[0] = t->remote.ip6.as_u64[0];
+ 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);
+
+ /* VXLAN header. Are we having fun yet? */
+ h0->vxlan.flags = VXLAN_GPE_FLAGS_I | VXLAN_GPE_FLAGS_P;
+ h0->vxlan.ver_res = VXLAN_GPE_VERSION;
+ h0->vxlan.protocol = VXLAN_GPE_PROTOCOL_IP4;
+ h0->vxlan.vni_res = clib_host_to_net_u32 (t->vni<<8);
+
+ t->rewrite = rw;
+ return (0);
+}
+
int vnet_vxlan_gpe_add_del_tunnel
(vnet_vxlan_gpe_add_del_tunnel_args_t *a, u32 * sw_if_indexp)
{
u32 hw_if_index = ~0;
u32 sw_if_index = ~0;
int rv;
- vxlan_gpe_tunnel_key_t key, *key_copy;
+ vxlan4_gpe_tunnel_key_t key4, *key4_copy;
+ vxlan6_gpe_tunnel_key_t key6, *key6_copy;
hash_pair_t *hp;
- key.local = a->local.as_u32;
- key.remote = a->remote.as_u32;
- key.vni = clib_host_to_net_u32 (a->vni << 8);
- key.pad = 0;
-
- p = hash_get_mem (gm->vxlan_gpe_tunnel_by_key, &key);
+ if (!a->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;
+
+ p = hash_get_mem(gm->vxlan4_gpe_tunnel_by_key, &key4);
+ }
+ else
+ {
+ key6.local.as_u64[0] = a->local.ip6.as_u64[0];
+ key6.local.as_u64[1] = a->local.ip6.as_u64[1];
+ 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);
+
+ p = hash_get(gm->vxlan6_gpe_tunnel_by_key, &key6);
+ }
if (a->is_add)
{
/* copy from arg structure */
#define _(x) t->x = a->x;
foreach_gpe_copy_field;
+ if (!a->is_ip6) foreach_copy_ipv4
+ else foreach_copy_ipv6
#undef _
- rv = vxlan_gpe_rewrite (t);
+ if (a->is_ip6) {
+ /* copy the key */
+ t->key6 = key6;
+ }
+
+ if (!a->is_ip6) t->flags |= VXLAN_GPE_TUNNEL_IS_IPV4;
+
+ if (!a->is_ip6) {
+ rv = vxlan4_gpe_rewrite (t);
+ } else {
+ rv = vxlan6_gpe_rewrite (t);
+ }
if (rv)
- {
+ {
pool_put (gm->tunnels, t);
return rv;
- }
-
- key_copy = clib_mem_alloc (sizeof (*key_copy));
- clib_memcpy (key_copy, &key, sizeof (*key_copy));
+ }
- hash_set_mem (gm->vxlan_gpe_tunnel_by_key, key_copy,
- t - gm->tunnels);
+ if (!a->is_ip6)
+ {
+ key4_copy = clib_mem_alloc (sizeof (*key4_copy));
+ clib_memcpy (key4_copy, &key4, sizeof (*key4_copy));
+ hash_set_mem (gm->vxlan4_gpe_tunnel_by_key, key4_copy,
+ t - gm->tunnels);
+ }
+ else
+ {
+ key6_copy = clib_mem_alloc (sizeof (*key6_copy));
+ clib_memcpy (key6_copy, &key4, sizeof (*key6_copy));
+ hash_set_mem (gm->vxlan4_gpe_tunnel_by_key, key6_copy,
+ t - gm->tunnels);
+ }
if (vec_len (gm->free_vxlan_gpe_tunnel_hw_if_indices) > 0)
{
vnet_sw_interface_set_flags (vnm, t->sw_if_index, 0 /* down */);
vec_add1 (gm->free_vxlan_gpe_tunnel_hw_if_indices, t->hw_if_index);
- hp = hash_get_pair (gm->vxlan_gpe_tunnel_by_key, &key);
- key_copy = (void *)(hp->key);
- hash_unset_mem (gm->vxlan_gpe_tunnel_by_key, &key);
- clib_mem_free (key_copy);
+ if (!a->is_ip6)
+ {
+ hp = hash_get_pair (gm->vxlan4_gpe_tunnel_by_key, &key4);
+ key4_copy = (void *)(hp->key);
+ hash_unset_mem (gm->vxlan4_gpe_tunnel_by_key, &key4);
+ clib_mem_free (key4_copy);
+ }
+ else
+ {
+ hp = hash_get_pair (gm->vxlan6_gpe_tunnel_by_key, &key6);
+ key6_copy = (void *)(hp->key);
+ hash_unset_mem (gm->vxlan4_gpe_tunnel_by_key, &key6);
+ clib_mem_free (key6_copy);
+ }
vec_free (t->rewrite);
pool_put (gm->tunnels, t);
return 0;
}
-static u32 fib_index_from_fib_id (u32 fib_id)
+static u32 fib4_index_from_fib_id (u32 fib_id)
{
ip4_main_t * im = &ip4_main;
uword * p;
return p[0];
}
+static u32 fib6_index_from_fib_id (u32 fib_id)
+{
+ ip6_main_t * im = &ip6_main;
+ uword * p;
+
+ p = hash_get (im->fib_index_by_table_id, fib_id);
+ if (!p)
+ return ~0;
+
+ return p[0];
+}
+
static uword unformat_gpe_decap_next (unformat_input_t * input, va_list * args)
{
u32 * result = va_arg (*args, u32 *);
{
unformat_input_t _line_input, * line_input = &_line_input;
u8 is_add = 1;
- ip4_address_t local, remote;
+ ip46_address_t local, remote;
u8 local_set = 0;
u8 remote_set = 0;
+ u8 ipv4_set = 0;
+ u8 ipv6_set = 0;
u32 encap_fib_index = 0;
u32 decap_fib_index = 0;
u8 protocol = VXLAN_GPE_PROTOCOL_IP4;
if (unformat (line_input, "del"))
is_add = 0;
else if (unformat (line_input, "local %U",
- unformat_ip4_address, &local))
+ unformat_ip4_address, &local.ip4))
+ {
local_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (line_input, "remote %U",
+ unformat_ip4_address, &remote.ip4))
+ {
+ remote_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (line_input, "local %U",
+ unformat_ip6_address, &local.ip6))
+ {
+ local_set = 1;
+ ipv6_set = 1;
+ }
else if (unformat (line_input, "remote %U",
- unformat_ip4_address, &remote))
+ unformat_ip6_address, &remote.ip6))
+ {
remote_set = 1;
+ ipv6_set = 1;
+ }
else if (unformat (line_input, "encap-vrf-id %d", &tmp))
{
- encap_fib_index = fib_index_from_fib_id (tmp);
+ if (ipv6_set)
+ encap_fib_index = fib6_index_from_fib_id (tmp);
+ else
+ encap_fib_index = fib4_index_from_fib_id (tmp);
+
if (encap_fib_index == ~0)
return clib_error_return (0, "nonexistent encap fib id %d", tmp);
}
else if (unformat (line_input, "decap-vrf-id %d", &tmp))
{
- decap_fib_index = fib_index_from_fib_id (tmp);
+
+ if (ipv6_set)
+ decap_fib_index = fib6_index_from_fib_id (tmp);
+ else
+ decap_fib_index = fib4_index_from_fib_id (tmp);
+
if (decap_fib_index == ~0)
return clib_error_return (0, "nonexistent decap fib id %d", tmp);
}
if (remote_set == 0)
return clib_error_return (0, "tunnel remote address not specified");
+ if (ipv4_set && ipv6_set)
+ return clib_error_return (0, "both IPv4 and IPv6 addresses specified");
+
+ if ((ipv4_set && memcmp(&local.ip4, &remote.ip4, sizeof(local.ip4)) == 0) ||
+ (ipv6_set && memcmp(&local.ip6, &remote.ip6, sizeof(local.ip6)) == 0))
+ return clib_error_return (0, "src and dst addresses are identical");
+
if (vni_set == 0)
return clib_error_return (0, "vni not specified");
memset (a, 0, sizeof (*a));
a->is_add = is_add;
+ a->is_ip6 = ipv6_set;
#define _(x) a->x = x;
foreach_gpe_copy_field;
+ if (ipv4_set) foreach_copy_ipv4
+ else foreach_copy_ipv6
#undef _
rv = vnet_vxlan_gpe_add_del_tunnel (a, &sw_if_index);
VLIB_CLI_COMMAND (create_vxlan_gpe_tunnel_command, static) = {
.path = "create vxlan-gpe tunnel",
.short_help =
- "create vxlan-gpe tunnel local <ip4-addr> remote <ip4-addr>"
+ "create vxlan-gpe tunnel local <local-addr> remote <remote-addr>"
" vni <nn> [next-ip4][next-ip6][next-ethernet][next-nsh]"
" [encap-vrf-id <nn>] [decap-vrf-id <nn>]"
" [del]\n",
gm->vnet_main = vnet_get_main();
gm->vlib_main = vm;
-
- gm->vxlan_gpe_tunnel_by_key
- = hash_create_mem (0, sizeof(vxlan_gpe_tunnel_key_t), sizeof (uword));
- udp_register_dst_port (vm, UDP_DST_PORT_vxlan_gpe,
- vxlan_gpe_input_node.index, 1 /* is_ip4 */);
+ gm->vxlan4_gpe_tunnel_by_key
+ = hash_create_mem (0, sizeof(vxlan4_gpe_tunnel_key_t), sizeof (uword));
+
+ gm->vxlan6_gpe_tunnel_by_key
+ = hash_create_mem (0, sizeof(vxlan6_gpe_tunnel_key_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 */);
return 0;
}
Code Review / vpp.git / blobdiff