* limitations under the License.
*/
#include <vnet/vxlan/vxlan.h>
+#include <vnet/ip/format.h>
vxlan_main_t vxlan_main;
s = format (s,
"[%d] %U (src) %U (dst) vni %d encap_fib_index %d",
t - ngm->tunnels,
- format_ip4_address, &t->src,
- format_ip4_address, &t->dst,
+ format_ip46_address, &t->src,
+ format_ip46_address, &t->dst,
t->vni,
t->encap_fib_index);
s = format (s, " decap_next %U\n", format_decap_next, t->decap_next_index);
};
#define foreach_copy_field \
-_(src.as_u32) \
-_(dst.as_u32) \
_(vni) \
_(encap_fib_index) \
_(decap_next_index)
-static int vxlan_rewrite (vxlan_tunnel_t * t)
+#define foreach_copy_ipv4 { \
+ _(src.ip4.as_u32) \
+ _(dst.ip4.as_u32) \
+}
+
+#define foreach_copy_ipv6 { \
+ _(src.ip6.as_u64[0]) \
+ _(src.ip6.as_u64[1]) \
+ _(dst.ip6.as_u64[0]) \
+ _(dst.ip6.as_u64[1]) \
+}
+
+static int vxlan4_rewrite (vxlan_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->src.as_u32;
- ip0->dst_address.as_u32 = t->dst.as_u32;
+ ip0->src_address.as_u32 = t->src.ip4.as_u32;
+ ip0->dst_address.as_u32 = t->dst.ip4.as_u32;
ip0->checksum = ip4_header_checksum (ip0);
/* UDP header, randomize src port on something, maybe? */
return (0);
}
+static int vxlan6_rewrite (vxlan_tunnel_t * t)
+{
+ u8 *rw = 0;
+ ip6_header_t * ip0;
+ ip6_vxlan_header_t * h0;
+ int len = sizeof (*h0);
+
+ vec_validate_aligned (rw, len-1, CLIB_CACHE_LINE_BYTES);
+
+ h0 = (ip6_vxlan_header_t *) rw;
+
+ /* Fixed portion of the (outer) ip6 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->src.ip6.as_u64[0];
+ ip0->src_address.as_u64[1] = t->src.ip6.as_u64[1];
+ ip0->dst_address.as_u64[0] = t->dst.ip6.as_u64[0];
+ ip0->dst_address.as_u64[1] = t->dst.ip6.as_u64[1];
+
+ /* UDP header, randomize src port on something, maybe? */
+ h0->udp.src_port = clib_host_to_net_u16 (4789);
+ h0->udp.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_vxlan);
+
+ /* VXLAN header */
+ vnet_set_vni_and_flags(&h0->vxlan, t->vni);
+
+ t->rewrite = rw;
+ return (0);
+}
+
int vnet_vxlan_add_del_tunnel
(vnet_vxlan_add_del_tunnel_args_t *a, u32 * sw_if_indexp)
{
vxlan_tunnel_t *t = 0;
vnet_main_t * vnm = vxm->vnet_main;
ip4_main_t * im4 = &ip4_main;
+ ip6_main_t * im6 = &ip6_main;
vnet_hw_interface_t * hi;
uword * p;
u32 hw_if_index = ~0;
u32 sw_if_index = ~0;
int rv;
- vxlan_tunnel_key_t key;
+ vxlan4_tunnel_key_t key4;
+ vxlan6_tunnel_key_t key6;
+
+ if (!a->is_ip6) {
+ key4.src = a->dst.ip4.as_u32; /* decap src in key is encap dst in config */
+ key4.vni = clib_host_to_net_u32 (a->vni << 8);
- key.src = a->dst.as_u32; /* decap src in key is encap dst in config */
- key.vni = clib_host_to_net_u32 (a->vni << 8);
+ p = hash_get (vxm->vxlan4_tunnel_by_key, key4.as_u64);
+ } else {
+ key6.src.as_u64[0] = a->dst.ip6.as_u64[0];
+ key6.src.as_u64[1] = a->dst.ip6.as_u64[1];
+ key6.vni = clib_host_to_net_u32 (a->vni << 8);
- p = hash_get (vxm->vxlan_tunnel_by_key, key.as_u64);
+ p = hash_get (vxm->vxlan6_tunnel_by_key, pointer_to_uword(&key6));
+ }
if (a->is_add)
{
/* copy from arg structure */
#define _(x) t->x = a->x;
foreach_copy_field;
+ if (!a->is_ip6) foreach_copy_ipv4
+ else foreach_copy_ipv6
#undef _
- rv = vxlan_rewrite (t);
+ if (a->is_ip6) {
+ /* copy the key */
+ t->key6 = key6;
+ }
+
+ if (!a->is_ip6) t->flags |= VXLAN_TUNNEL_IS_IPV4;
+
+ if (!a->is_ip6) {
+ rv = vxlan4_rewrite (t);
+ } else {
+ rv = vxlan6_rewrite (t);
+ }
if (rv)
{
return rv;
}
- hash_set (vxm->vxlan_tunnel_by_key, key.as_u64, t - vxm->tunnels);
+ if (!a->is_ip6)
+ hash_set (vxm->vxlan4_tunnel_by_key, key4.as_u64, t - vxm->tunnels);
+ else
+ hash_set (vxm->vxlan6_tunnel_by_key, pointer_to_uword(&t->key6), t - vxm->tunnels);
if (vec_len (vxm->free_vxlan_tunnel_hw_if_indices) > 0)
{
}
vnet_sw_interface_set_flags (vnm, sw_if_index,
VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+ if (!a->is_ip6) {
vec_validate (im4->fib_index_by_sw_if_index, sw_if_index);
im4->fib_index_by_sw_if_index[sw_if_index] = t->encap_fib_index;
+ } else {
+ vec_validate (im6->fib_index_by_sw_if_index, sw_if_index);
+ im6->fib_index_by_sw_if_index[sw_if_index] = t->encap_fib_index;
+ }
}
else
{
vxm->tunnel_index_by_sw_if_index[t->sw_if_index] = ~0;
- hash_unset (vxm->vxlan_tunnel_by_key, key.as_u64);
+ if (!a->is_ip6)
+ hash_unset (vxm->vxlan4_tunnel_by_key, key4.as_u64);
+ else
+ hash_unset (vxm->vxlan6_tunnel_by_key, pointer_to_uword(&key6));
vec_free (t->rewrite);
- t->rewrite = vxlan_dummy_rewrite;
+ if (!a->is_ip6) {
+ t->rewrite = vxlan4_dummy_rewrite;
+ } else {
+ t->rewrite = vxlan6_dummy_rewrite;
+ }
pool_put (vxm->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_decap_next (unformat_input_t * input, va_list * args)
{
u32 * result = va_arg (*args, u32 *);
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, * line_input = &_line_input;
- ip4_address_t src, dst;
+ ip46_address_t src, dst;
u8 is_add = 1;
u8 src_set = 0;
u8 dst_set = 0;
+ u8 ipv4_set = 0;
+ u8 ipv6_set = 0;
u32 encap_fib_index = 0;
u32 decap_next_index = ~0;
u32 vni = 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
if (unformat (line_input, "del"))
- is_add = 0;
+ {
+ is_add = 0;
+ }
+ else if (unformat (line_input, "src %U",
+ unformat_ip4_address, &src.ip4))
+ {
+ src_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (line_input, "dst %U",
+ unformat_ip4_address, &dst.ip4))
+ {
+ dst_set = 1;
+ ipv4_set = 1;
+ }
else if (unformat (line_input, "src %U",
- unformat_ip4_address, &src))
- src_set = 1;
+ unformat_ip6_address, &src.ip6))
+ {
+ src_set = 1;
+ ipv6_set = 1;
+ }
else if (unformat (line_input, "dst %U",
- unformat_ip4_address, &dst))
- dst_set = 1;
+ unformat_ip6_address, &dst.ip6))
+ {
+ dst_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-vrf-id %d", tmp);
}
if (dst_set == 0)
return clib_error_return (0, "tunnel dst address not specified");
+ if (ipv4_set && ipv6_set)
+ return clib_error_return (0, "both IPv4 and IPv6 addresses specified");
+
+ if ((ipv4_set && memcmp(&src.ip4, &dst.ip4, sizeof(src.ip4)) == 0) ||
+ (ipv6_set && memcmp(&src.ip6, &dst.ip6, sizeof(src.ip6)) == 0))
+ return clib_error_return (0, "src and dst addresses are identical");
+
if (vni == 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_copy_field;
+ if (ipv4_set) foreach_copy_ipv4
+ else foreach_copy_ipv6
#undef _
rv = vnet_vxlan_add_del_tunnel (a, 0 /* hw_if_indexp */);
.function = show_vxlan_tunnel_command_fn,
};
+
clib_error_t *vxlan_init (vlib_main_t *vm)
{
vxlan_main_t * vxm = &vxlan_main;
- ip4_vxlan_header_t * hdr;
- ip4_header_t * ip;
+ ip4_vxlan_header_t * hdr4;
+ ip4_header_t * ip4;
+ ip6_vxlan_header_t * hdr6;
+ ip6_header_t * ip6;
vxm->vnet_main = vnet_get_main();
vxm->vlib_main = vm;
+ /* initialize the ip6 hash */
+ vxm->vxlan6_tunnel_by_key = hash_create_mem(0,
+ sizeof(vxlan6_tunnel_key_t),
+ sizeof(uword));
+
/* init dummy rewrite string for deleted vxlan tunnels */
- _vec_len(vxlan_dummy_rewrite) = sizeof(ip4_vxlan_header_t);
- hdr = (ip4_vxlan_header_t *) vxlan_dummy_rewrite;
- ip = &hdr->ip4;
+ _vec_len(vxlan4_dummy_rewrite) = sizeof(ip4_vxlan_header_t);
+ hdr4 = (ip4_vxlan_header_t *) vxlan4_dummy_rewrite;
+ ip4 = &hdr4->ip4;
/* minimal rewrite setup, see vxlan_rewite() above as reference */
- ip->ip_version_and_header_length = 0x45;
- ip->checksum = ip4_header_checksum (ip);
+ ip4->ip_version_and_header_length = 0x45;
+ ip4->checksum = ip4_header_checksum (ip4);
+
+ /* Same again for IPv6 */
+ _vec_len(vxlan6_dummy_rewrite) = sizeof(ip6_vxlan_header_t);
+ hdr6 = (ip6_vxlan_header_t *) vxlan6_dummy_rewrite;
+ ip6 = &hdr6->ip6;
+ /* minimal rewrite setup, see vxlan_rewite() above as reference */
+ ip6->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32(6 << 28);
udp_register_dst_port (vm, UDP_DST_PORT_vxlan,
- vxlan_input_node.index, 1 /* is_ip4 */);
+ vxlan4_input_node.index, /* is_ip4 */ 1);
+ udp_register_dst_port (vm, UDP_DST_PORT_vxlan6,
+ vxlan6_input_node.index, /* is_ip4 */ 0);
return 0;
}
VLIB_INIT_FUNCTION(vxlan_init);
-
Code Review / vpp.git / blobdiff