#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>
* This makes it possible for servers to be co-located in the same data
* 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 GENEVE
- * (Virtual eXtensible VLAN) segment.
*/
geneve_main_t geneve_main;
+u8 *
+format_geneve_encap_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ geneve_encap_trace_t *t = va_arg (*args, geneve_encap_trace_t *);
+
+ s = format (s, "GENEVE encap to geneve_tunnel%d vni %d",
+ t->tunnel_index, t->vni);
+ return s;
+}
+
static u8 *
format_decap_next (u8 * s, va_list * args)
{
geneve_tunnel_t *t = va_arg (*args, geneve_tunnel_t *);
geneve_main_t *ngm = &geneve_main;
- s = format (s, "[%d] local %U remote %U vni %d sw_if_index %d ",
+ 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->sw_if_index);
+ t->vni, t->encap_fib_index, t->sw_if_index);
+
+ s = format (s, "encap-dpo-idx %d ", t->next_dpo.dpoi_index);
+ s = format (s, "decap-next-%U ", format_decap_next, t->decap_next_index);
- if (ip46_address_is_multicast (&t->remote))
- s = format (s, "mcast_sw_if_index %d ", t->mcast_sw_if_index);
+ if (PREDICT_FALSE (ip46_address_is_multicast (&t->remote)))
+ s = format (s, "mcast-sw-if-idx %d ", t->mcast_sw_if_index);
- s = format (s, "encap_fib_index %d fib_entry_index %d decap_next %U\n",
- t->encap_fib_index, t->fib_entry_index,
- format_decap_next, t->decap_next_index);
return s;
}
return format (s, "geneve_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;
-}
-
static clib_error_t *
geneve_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
.name = "GENEVE",
.format_device_name = format_geneve_name,
.format_tx_trace = format_geneve_encap_trace,
- .tx_function = dummy_interface_tx,
.admin_up_down_function = geneve_interface_admin_up_down,
};
/* *INDENT-ON* */
static geneve_tunnel_t *
geneve_tunnel_from_fib_node (fib_node_t * node)
{
-#if (CLIB_DEBUG > 0)
ASSERT (FIB_NODE_TYPE_GENEVE_TUNNEL == node->fn_type);
-#endif
return ((geneve_tunnel_t *) (((char *) node) -
STRUCT_OFFSET_OF (geneve_tunnel_t, node)));
}
vnet_set_geneve_oamframe_bit (geneve, 0);
vnet_set_geneve_critical_bit (geneve, 0);
vnet_set_geneve_protocol (geneve, GENEVE_ETH_PROTOCOL);
+
+ vnet_geneve_hdr_1word_hton (geneve);
+
vnet_set_geneve_vni (geneve, t->vni);
t->rewrite = r.rw;
return decap_next_index < r->n_next_nodes;
}
-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 (geneve_main.vtep4, ip->ip4.as_u32) :
- hash_get_mem (geneve_main.vtep6, &ip->ip6);
- if (vtep)
- return ++(*vtep);
- ip46_address_is_ip4 (ip) ?
- hash_set (geneve_main.vtep4, ip->ip4.as_u32, 1) :
- hash_set_key_copy (&geneve_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 (geneve_main.vtep4, ip->ip4.as_u32) :
- hash_get_mem (geneve_main.vtep6, &ip->ip6);
- ASSERT (vtep);
- if (--(*vtep) != 0)
- return *vtep;
- ip46_address_is_ip4 (ip) ?
- hash_unset (geneve_main.vtep4, ip->ip4.as_u32) :
- hash_unset_key_free (&geneve_main.vtep6, &ip->ip6);
- return 0;
-}
-
typedef CLIB_PACKED (union
{
struct
{
ASSERT (ip46_address_is_multicast (ip));
uword *p = hash_get_mem (geneve_main.mcast_shared, ip);
- ASSERT (p);
+ ALWAYS_ASSERT (p);
return (mcast_shared_t)
{
.as_u64 = *p};
.mfib_entry_index = mfei,
};
- hash_set_key_copy (&geneve_main.mcast_shared, remote, new_ep.as_u64);
+ hash_set_mem_alloc (&geneve_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_GENEVE);
- hash_unset_key_free (&geneve_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 (&geneve_main.mcast_shared, remote);
}
int vnet_geneve_add_del_tunnel
if (!is_ip6)
{
key4.remote = a->remote.ip4.as_u32;
- key4.vni = clib_host_to_net_u32 (a->vni << 8);
+ key4.vni =
+ clib_host_to_net_u32 ((a->vni << GENEVE_VNI_SHIFT) & GENEVE_VNI_MASK);
p = hash_get (vxm->geneve4_tunnel_by_key, key4.as_u64);
}
else
{
key6.remote = a->remote.ip6;
- key6.vni = clib_host_to_net_u32 (a->vni << 8);
+ key6.vni =
+ clib_host_to_net_u32 ((a->vni << GENEVE_VNI_SHIFT) & GENEVE_VNI_MASK);
p = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6);
}
return VNET_API_ERROR_INVALID_DECAP_NEXT;
pool_get_aligned (vxm->tunnels, t, CLIB_CACHE_LINE_BYTES);
- memset (t, 0, sizeof (*t));
+ clib_memset (t, 0, sizeof (*t));
/* copy from arg structure */
#define _(x) t->x = a->x;
/* copy the key */
if (is_ip6)
- hash_set_key_copy (&vxm->geneve6_tunnel_by_key, &key6,
- t - vxm->tunnels);
+ hash_set_mem_alloc (&vxm->geneve6_tunnel_by_key, &key6,
+ t - vxm->tunnels);
else
hash_set (vxm->geneve4_tunnel_by_key, key4.as_u64, t - vxm->tunnels);
hi = vnet_get_hw_interface (vnm, hw_if_index);
}
+ /* Set geneve tunnel output node */
+ u32 encap_index = !is_ip6 ?
+ geneve4_encap_node.index : geneve6_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;
fib_node_init (&t->node, FIB_NODE_TYPE_GENEVE_TUNNEL);
fib_prefix_t tun_remote_pfx;
- u32 encap_index = !is_ip6 ?
- geneve4_encap_node.index : geneve6_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_GENEVE_TUNNEL,
- t - vxm->tunnels);
+ vtep_addr_ref (&vxm->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_GENEVE_TUNNEL,
+ t - vxm->tunnels,
+ &t->sibling_index);
geneve_tunnel_restack_dpo (t);
}
else
*/
fib_protocol_t fp = fib_ip_proto (is_ip6);
- if (vtep_addr_ref (&t->remote) == 1)
+ if (vtep_addr_ref (&vxm->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,
* - the accepting interface is that from the API
*/
mfib_table_entry_path_update (t->encap_fib_index,
- &mpfx,
- MFIB_SOURCE_GENEVE,
- &path, MFIB_ITF_FLAG_FORWARD);
+ &mpfx, MFIB_SOURCE_GENEVE, &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_GENEVE,
- &path,
- MFIB_ITF_FLAG_ACCEPT);
+ MFIB_SOURCE_GENEVE, &path);
/*
* Create the mcast adjacency to send traffic to the group
flood_class = VNET_FLOOD_CLASS_TUNNEL_MASTER;
}
- /* Set geneve tunnel output node */
- hi->output_node_index = encap_index;
-
vnet_get_sw_interface (vnet_get_main (), sw_if_index)->flood_class =
flood_class;
}
si->flags |= VNET_SW_INTERFACE_FLAG_HIDDEN;
/* make sure tunnel is removed from l2 bd or xconnect */
- set_int_l2_mode (vxm->vlib_main, vnm, MODE_L3, t->sw_if_index, 0, 0, 0,
- 0);
+ set_int_l2_mode (vxm->vlib_main, vnm, MODE_L3, t->sw_if_index, 0,
+ L2_BD_PORT_TYPE_NORMAL, 0, 0);
vec_add1 (vxm->free_geneve_tunnel_hw_if_indices, t->hw_if_index);
vxm->tunnel_index_by_sw_if_index[t->sw_if_index] = ~0;
if (!is_ip6)
hash_unset (vxm->geneve4_tunnel_by_key, key4.as_u64);
else
- hash_unset_key_free (&vxm->geneve6_tunnel_by_key, &key6);
+ hash_unset_mem_free (&vxm->geneve6_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 (&vxm->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 (&vxm->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_geneve, 1))
+ udp_register_dst_port (vxm->vlib_main, UDP_DST_PORT_geneve,
+ geneve4_input_node.index, 1);
+ if (is_ip6 && !udp_is_valid_dst_port (UDP_DST_PORT_geneve6, 0))
+ udp_register_dst_port (vxm->vlib_main, UDP_DST_PORT_geneve6,
+ geneve6_input_node.index, 0);
+ }
+
return 0;
}
clib_error_t *error = NULL;
/* Cant "universally zero init" (={0}) due to GCC bug 53119 */
- memset (&local, 0, sizeof local);
- memset (&remote, 0, sizeof remote);
+ clib_memset (&local, 0, sizeof local);
+ clib_memset (&remote, 0, sizeof remote);
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
goto done;
}
- memset (a, 0, sizeof (*a));
+ clib_memset (a, 0, sizeof (*a));
a->is_add = is_add;
a->is_ip6 = ipv6_set;
VLIB_CLI_COMMAND (set_interface_ip6_geneve_bypass_command, static) = {
.path = "set interface ip6 geneve-bypass",
.function = set_ip6_geneve_bypass,
- .short_help = "set interface ip geneve-bypass <interface> [del]",
+ .short_help = "set interface ip6 geneve-bypass <interface> [del]",
};
/* *INDENT-ON* */
vxm->geneve6_tunnel_by_key = hash_create_mem (0,
sizeof (geneve6_tunnel_key_t),
sizeof (uword));
- vxm->vtep6 = hash_create_mem (0, sizeof (ip6_address_t), sizeof (uword));
+ vxm->vtep_table = vtep_table_create ();
vxm->mcast_shared = hash_create_mem (0,
sizeof (ip46_address_t),
sizeof (mcast_shared_t));
- udp_register_dst_port (vm, UDP_DST_PORT_geneve,
- geneve4_input_node.index, /* is_ip4 */ 1);
- udp_register_dst_port (vm, UDP_DST_PORT_geneve6,
- geneve6_input_node.index, /* is_ip4 */ 0);
-
fib_node_register_type (FIB_NODE_TYPE_GENEVE_TUNNEL, &geneve_vft);
return 0;