#include <vnet/ip/format.h>
#include <vnet/fib/fib_entry.h>
#include <vnet/fib/fib_table.h>
-#include <vnet/dpo/receive_dpo.h>
+#include <vnet/mfib/mfib_table.h>
+#include <vnet/adj/adj_mcast.h>
+#include <vnet/adj/rewrite.h>
+#include <vnet/interface.h>
+#include <vnet/flow/flow.h>
#include <vlib/vlib.h>
/**
vxlan_main_t vxlan_main;
-static u8 * format_decap_next (u8 * s, va_list * args)
+static u8 *
+format_decap_next (u8 * s, va_list * args)
{
u32 next_index = va_arg (*args, u32);
- switch (next_index)
- {
- case VXLAN_INPUT_NEXT_DROP:
- return format (s, "drop");
- case VXLAN_INPUT_NEXT_L2_INPUT:
- return format (s, "l2");
- default:
- return format (s, "index %d", next_index);
- }
+ if (next_index == VXLAN_INPUT_NEXT_DROP)
+ return format (s, "drop");
+ else
+ return format (s, "index %d", next_index);
return s;
}
-u8 * format_vxlan_tunnel (u8 * s, va_list * args)
+u8 *
+format_vxlan_tunnel (u8 * s, va_list * args)
{
- vxlan_tunnel_t * t = va_arg (*args, vxlan_tunnel_t *);
- vxlan_main_t * ngm = &vxlan_main;
+ vxlan_tunnel_t *t = va_arg (*args, vxlan_tunnel_t *);
- s = format (s, "[%d] src %U dst %U vni %d sw_if_index %d ",
- t - ngm->tunnels,
- format_ip46_address, &t->src, IP46_TYPE_ANY,
- format_ip46_address, &t->dst, IP46_TYPE_ANY,
- t->vni, t->sw_if_index);
+ 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);
- if (ip46_address_is_multicast (&t->dst))
- s = format (s, "mcast_sw_if_index %d ", t->mcast_sw_if_index);
+ s = format (s, "encap-dpo-idx %d ", t->next_dpo.dpoi_index);
+
+ if (PREDICT_FALSE (t->decap_next_index != VXLAN_INPUT_NEXT_L2_INPUT))
+ s = format (s, "decap-next-%U ", format_decap_next, t->decap_next_index);
+
+ if (PREDICT_FALSE (ip46_address_is_multicast (&t->dst)))
+ s = format (s, "mcast-sw-if-idx %d ", t->mcast_sw_if_index);
+
+ if (t->flow_index != ~0)
+ s = format (s, "flow-index %d [%U]", t->flow_index,
+ format_flow_enabled_hw, t->flow_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;
}
-static u8 * format_vxlan_name (u8 * s, va_list * args)
+static u8 *
+format_vxlan_name (u8 * s, va_list * args)
{
u32 dev_instance = va_arg (*args, u32);
- return format (s, "vxlan_tunnel%d", dev_instance);
-}
+ vxlan_main_t *vxm = &vxlan_main;
+ vxlan_tunnel_t *t;
-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;
+ if (dev_instance == ~0)
+ return format (s, "<cached-unused>");
+
+ if (dev_instance >= vec_len (vxm->tunnels))
+ return format (s, "<improperly-referenced>");
+
+ t = pool_elt_at_index (vxm->tunnels, dev_instance);
+
+ return format (s, "vxlan_tunnel%d", t->user_instance);
}
static clib_error_t *
vxlan_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
- if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
- vnet_hw_interface_set_flags (vnm, hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP);
- else
- vnet_hw_interface_set_flags (vnm, hw_if_index, 0);
+ u32 hw_flags = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
+ VNET_HW_INTERFACE_FLAG_LINK_UP : 0;
+ vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags);
return /* no error */ 0;
}
-VNET_DEVICE_CLASS (vxlan_device_class,static) = {
+/* *INDENT-OFF* */
+VNET_DEVICE_CLASS (vxlan_device_class, static) = {
.name = "VXLAN",
.format_device_name = format_vxlan_name,
.format_tx_trace = format_vxlan_encap_trace,
- .tx_function = dummy_interface_tx,
.admin_up_down_function = vxlan_interface_admin_up_down,
};
+/* *INDENT-ON* */
-static u8 * format_vxlan_header_with_length (u8 * s, va_list * args)
+static u8 *
+format_vxlan_header_with_length (u8 * s, va_list * args)
{
u32 dev_instance = va_arg (*args, u32);
s = format (s, "unimplemented dev %u", dev_instance);
return s;
}
+/* *INDENT-OFF* */
VNET_HW_INTERFACE_CLASS (vxlan_hw_class) = {
.name = "VXLAN",
.format_header = format_vxlan_header_with_length,
.build_rewrite = default_build_rewrite,
};
+/* *INDENT-ON* */
static void
-vxlan_tunnel_restack_dpo(vxlan_tunnel_t * t)
+vxlan_tunnel_restack_dpo (vxlan_tunnel_t * t)
{
- dpo_id_t dpo = DPO_INVALID;
- u32 encap_index = ip46_address_is_ip4(&t->dst) ?
- vxlan4_encap_node.index : vxlan6_encap_node.index;
- fib_forward_chain_type_t forw_type = ip46_address_is_ip4(&t->dst) ?
- FIB_FORW_CHAIN_TYPE_UNICAST_IP4 : FIB_FORW_CHAIN_TYPE_UNICAST_IP6;
-
- fib_entry_contribute_forwarding (t->fib_entry_index, forw_type, &dpo);
- dpo_stack_from_node (encap_index, &t->next_dpo, &dpo);
- dpo_reset(&dpo);
+ u8 is_ip4 = ip46_address_is_ip4 (&t->dst);
+ dpo_id_t dpo = DPO_INVALID;
+ fib_forward_chain_type_t forw_type = is_ip4 ?
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4 : FIB_FORW_CHAIN_TYPE_UNICAST_IP6;
+
+ fib_entry_contribute_forwarding (t->fib_entry_index, forw_type, &dpo);
+
+ /* vxlan uses the payload hash as the udp source port
+ * hence the packet's hash is unknown
+ * skip single bucket load balance dpo's */
+ while (DPO_LOAD_BALANCE == dpo.dpoi_type)
+ {
+ load_balance_t *lb = load_balance_get (dpo.dpoi_index);
+ if (lb->lb_n_buckets > 1)
+ break;
+
+ dpo_copy (&dpo, load_balance_get_bucket_i (lb, 0));
+ }
+
+ u32 encap_index = is_ip4 ?
+ vxlan4_encap_node.index : vxlan6_encap_node.index;
+ dpo_stack_from_node (encap_index, &t->next_dpo, &dpo);
+ dpo_reset (&dpo);
}
static vxlan_tunnel_t *
-vxlan_tunnel_from_fib_node (fib_node_t *node)
+vxlan_tunnel_from_fib_node (fib_node_t * node)
{
-#if (CLIB_DEBUG > 0)
- ASSERT(FIB_NODE_TYPE_VXLAN_TUNNEL == node->fn_type);
-#endif
- return ((vxlan_tunnel_t*) (((char*)node) -
- STRUCT_OFFSET_OF(vxlan_tunnel_t, node)));
+ ASSERT (FIB_NODE_TYPE_VXLAN_TUNNEL == node->fn_type);
+ return ((vxlan_tunnel_t *) (((char *) node) -
+ STRUCT_OFFSET_OF (vxlan_tunnel_t, node)));
}
/**
* Here we will restack the new dpo of VXLAN DIP to encap node.
*/
static fib_node_back_walk_rc_t
-vxlan_tunnel_back_walk (fib_node_t *node,
- fib_node_back_walk_ctx_t *ctx)
+vxlan_tunnel_back_walk (fib_node_t * node, fib_node_back_walk_ctx_t * ctx)
{
- vxlan_tunnel_restack_dpo(vxlan_tunnel_from_fib_node(node));
- return (FIB_NODE_BACK_WALK_CONTINUE);
+ vxlan_tunnel_restack_dpo (vxlan_tunnel_from_fib_node (node));
+ return (FIB_NODE_BACK_WALK_CONTINUE);
}
/**
* Function definition to get a FIB node from its index
*/
-static fib_node_t*
+static fib_node_t *
vxlan_tunnel_fib_node_get (fib_node_index_t index)
{
- vxlan_tunnel_t * t;
- vxlan_main_t * vxm = &vxlan_main;
+ vxlan_tunnel_t *t;
+ vxlan_main_t *vxm = &vxlan_main;
- t = pool_elt_at_index(vxm->tunnels, index);
+ t = pool_elt_at_index (vxm->tunnels, index);
- return (&t->node);
+ return (&t->node);
}
/**
* Function definition to inform the FIB node that its last lock has gone.
*/
static void
-vxlan_tunnel_last_lock_gone (fib_node_t *node)
+vxlan_tunnel_last_lock_gone (fib_node_t * node)
{
- /*
- * The VXLAN tunnel is a root of the graph. As such
- * it never has children and thus is never locked.
- */
- ASSERT(0);
+ /*
+ * The VXLAN tunnel is a root of the graph. As such
+ * it never has children and thus is never locked.
+ */
+ ASSERT (0);
}
/*
* for participation in the FIB object graph.
*/
const static fib_node_vft_t vxlan_vft = {
- .fnv_get = vxlan_tunnel_fib_node_get,
- .fnv_last_lock = vxlan_tunnel_last_lock_gone,
- .fnv_back_walk = vxlan_tunnel_back_walk,
+ .fnv_get = vxlan_tunnel_fib_node_get,
+ .fnv_last_lock = vxlan_tunnel_last_lock_gone,
+ .fnv_back_walk = vxlan_tunnel_back_walk,
};
_(src) \
_(dst)
-static int vxlan4_rewrite (vxlan_tunnel_t * t)
-{
- u8 *rw = 0;
- ip4_header_t * ip0;
- ip4_vxlan_header_t * h0;
- int len = sizeof (*h0);
-
- vec_validate_aligned (rw, len-1, CLIB_CACHE_LINE_BYTES);
-
- h0 = (ip4_vxlan_header_t *) rw;
-
- /* Fixed portion of the (outer) ip4 header */
- ip0 = &h0->ip4;
- ip0->ip_version_and_header_length = 0x45;
- ip0->ttl = 254;
- ip0->protocol = IP_PROTOCOL_UDP;
-
- /* we fix up the ip4 header length and checksum after-the-fact */
- 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? */
- 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);
-}
-
-static int vxlan6_rewrite (vxlan_tunnel_t * t)
+static void
+vxlan_rewrite (vxlan_tunnel_t * t, bool is_ip6)
{
- 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);
+ union
+ {
+ ip4_vxlan_header_t h4;
+ ip6_vxlan_header_t h6;
+ } h;
+ int len = is_ip6 ? sizeof h.h6 : sizeof h.h4;
+
+ udp_header_t *udp;
+ vxlan_header_t *vxlan;
+ /* Fixed portion of the (outer) ip header */
+
+ memset (&h, 0, sizeof (h));
+ if (!is_ip6)
+ {
+ ip4_header_t *ip = &h.h4.ip4;
+ udp = &h.h4.udp, vxlan = &h.h4.vxlan;
+ ip->ip_version_and_header_length = 0x45;
+ ip->ttl = 254;
+ ip->protocol = IP_PROTOCOL_UDP;
- t->rewrite = rw;
- return (0);
-}
+ ip->src_address = t->src.ip4;
+ ip->dst_address = t->dst.ip4;
-static int vxlan_check_decap_next(vxlan_main_t * vxm, u32 is_ip6, u32 decap_next_index)
-{
- vlib_main_t * vm = vxm->vlib_main;
- vlib_node_runtime_t *r;
-
- if(!is_ip6)
- {
- r = vlib_node_get_runtime (vm, vxlan4_input_node.index);
- if(decap_next_index >= r->n_next_nodes)
- return 1;
+ /* we fix up the ip4 header length and checksum after-the-fact */
+ ip->checksum = ip4_header_checksum (ip);
}
else
{
- r = vlib_node_get_runtime (vm, vxlan6_input_node.index);
- if(decap_next_index >= r->n_next_nodes)
- return 1;
+ ip6_header_t *ip = &h.h6.ip6;
+ udp = &h.h6.udp, vxlan = &h.h6.vxlan;
+ ip->ip_version_traffic_class_and_flow_label =
+ clib_host_to_net_u32 (6 << 28);
+ ip->hop_limit = 255;
+ ip->protocol = IP_PROTOCOL_UDP;
+
+ ip->src_address = t->src.ip6;
+ ip->dst_address = t->dst.ip6;
}
- return 0;
-}
+ /* 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);
-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);
+ /* VXLAN header */
+ vnet_set_vni_and_flags (vxlan, t->vni);
+ vnet_rewrite_set_data (*t, &h, len);
}
-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 bool
+vxlan_decap_next_is_valid (vxlan_main_t * vxm, u32 is_ip6,
+ u32 decap_next_index)
+{
+ vlib_main_t *vm = vxm->vlib_main;
+ u32 input_idx = (!is_ip6) ?
+ vxlan4_input_node.index : vxlan6_input_node.index;
+ vlib_node_runtime_t *r = vlib_node_get_runtime (vm, input_idx);
+
+ return decap_next_index < r->n_next_nodes;
}
static uword
-vtep_addr_ref(ip46_address_t *ip)
+vtep_addr_ref (ip46_address_t * ip)
{
- uword *vtep = ip46_address_is_ip4(ip) ?
- hash_get (vxlan_main.vtep4, ip->ip4.as_u32) :
- hash_get_mem (vxlan_main.vtep6, &ip->ip6);
- if (vtep)
- return ++(*vtep);
- ip46_address_is_ip4(ip) ?
- hash_set (vxlan_main.vtep4, ip->ip4.as_u32, 1) :
- hash_set_key_copy (&vxlan_main.vtep6, &ip->ip6, 1);
- return 1;
+ uword *vtep = ip46_address_is_ip4 (ip) ?
+ hash_get (vxlan_main.vtep4, ip->ip4.as_u32) :
+ hash_get_mem (vxlan_main.vtep6, &ip->ip6);
+ if (vtep)
+ return ++(*vtep);
+ ip46_address_is_ip4 (ip) ?
+ hash_set (vxlan_main.vtep4, ip->ip4.as_u32, 1) :
+ hash_set_mem_alloc (&vxlan_main.vtep6, &ip->ip6, 1);
+ return 1;
}
static uword
-vtep_addr_unref(ip46_address_t *ip)
+vtep_addr_unref (ip46_address_t * ip)
{
- uword *vtep = ip46_address_is_ip4(ip) ?
- hash_get (vxlan_main.vtep4, ip->ip4.as_u32) :
- hash_get_mem (vxlan_main.vtep6, &ip->ip6);
- ASSERT(vtep);
- if (--(*vtep) != 0)
- return *vtep;
- ip46_address_is_ip4(ip) ?
- hash_unset (vxlan_main.vtep4, ip->ip4.as_u32) :
- hash_unset_key_free (&vxlan_main.vtep6, &ip->ip6);
- return 0;
+ uword *vtep = ip46_address_is_ip4 (ip) ?
+ hash_get (vxlan_main.vtep4, ip->ip4.as_u32) :
+ hash_get_mem (vxlan_main.vtep6, &ip->ip6);
+ ASSERT (vtep);
+ if (--(*vtep) != 0)
+ return *vtep;
+ ip46_address_is_ip4 (ip) ?
+ hash_unset (vxlan_main.vtep4, ip->ip4.as_u32) :
+ hash_unset_mem_free (&vxlan_main.vtep6, &ip->ip6);
+ return 0;
}
-typedef CLIB_PACKED(union {
- struct {
- fib_node_index_t fib_entry_index;
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(union
+{
+ struct
+ {
+ fib_node_index_t mfib_entry_index;
adj_index_t mcast_adj_index;
};
u64 as_u64;
}) mcast_shared_t;
+/* *INDENT-ON* */
static inline mcast_shared_t
-mcast_shared_get(ip46_address_t * ip)
+mcast_shared_get (ip46_address_t * ip)
{
- ASSERT(ip46_address_is_multicast(ip));
- uword * p = hash_get_mem (vxlan_main.mcast_shared, ip);
- ASSERT(p);
- return (mcast_shared_t) { .as_u64 = *p };
+ ASSERT (ip46_address_is_multicast (ip));
+ uword *p = hash_get_mem (vxlan_main.mcast_shared, ip);
+ ASSERT (p);
+ mcast_shared_t ret = {.as_u64 = *p };
+ return ret;
}
static inline void
-ip46_multicast_ethernet_address(u8 * ethernet_address, ip46_address_t * ip) {
- if (ip46_address_is_ip4(ip))
- ip4_multicast_ethernet_address(ethernet_address, &ip->ip4);
- else
- ip6_multicast_ethernet_address(ethernet_address, ip->ip6.as_u32[0]);
+mcast_shared_add (ip46_address_t * dst, fib_node_index_t mfei, adj_index_t ai)
+{
+ mcast_shared_t new_ep = {
+ .mcast_adj_index = ai,
+ .mfib_entry_index = mfei,
+ };
+
+ hash_set_mem_alloc (&vxlan_main.mcast_shared, dst, new_ep.as_u64);
+}
+
+static inline void
+mcast_shared_remove (ip46_address_t * dst)
+{
+ mcast_shared_t ep = mcast_shared_get (dst);
+
+ adj_unlock (ep.mcast_adj_index);
+ mfib_table_entry_delete_index (ep.mfib_entry_index, MFIB_SOURCE_VXLAN);
+
+ hash_unset_mem_free (&vxlan_main.mcast_shared, dst);
}
-int vnet_vxlan_add_del_tunnel
-(vnet_vxlan_add_del_tunnel_args_t *a, u32 * sw_if_indexp)
+int vnet_vxlan_add_del_tunnel
+ (vnet_vxlan_add_del_tunnel_args_t * a, u32 * sw_if_indexp)
{
- vxlan_main_t * vxm = &vxlan_main;
+ vxlan_main_t *vxm = &vxlan_main;
vxlan_tunnel_t *t = 0;
- vnet_main_t * vnm = vxm->vnet_main;
- uword * p;
- u32 hw_if_index = ~0;
+ vnet_main_t *vnm = vxm->vnet_main;
+ uword *p;
u32 sw_if_index = ~0;
- int rv;
vxlan4_tunnel_key_t key4;
vxlan6_tunnel_key_t key6;
u32 is_ip6 = a->is_ip6;
if (!is_ip6)
{
- key4.src = a->dst.ip4.as_u32; /* decap src in key is encap dst in config */
+ 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);
p = hash_get (vxm->vxlan4_tunnel_by_key, key4.as_u64);
- }
- else
+ }
+ else
{
- key6.src.as_u64[0] = a->dst.ip6.as_u64[0];
- key6.src.as_u64[1] = a->dst.ip6.as_u64[1];
+ key6.src = a->dst.ip6;
key6.vni = clib_host_to_net_u32 (a->vni << 8);
p = hash_get_mem (vxm->vxlan6_tunnel_by_key, &key6);
}
-
+
if (a->is_add)
{
- l2input_main_t * l2im = &l2input_main;
+ l2input_main_t *l2im = &l2input_main;
+ u32 dev_instance; /* real dev instance tunnel index */
+ u32 user_instance; /* request and actual instance number */
/* adding a tunnel: tunnel must not already exist */
if (p)
- return VNET_API_ERROR_TUNNEL_EXIST;
+ return VNET_API_ERROR_TUNNEL_EXIST;
/*if not set explicitly, default to l2 */
- if(a->decap_next_index == ~0)
+ if (a->decap_next_index == ~0)
a->decap_next_index = VXLAN_INPUT_NEXT_L2_INPUT;
- if (vxlan_check_decap_next(vxm, is_ip6, a->decap_next_index))
- return VNET_API_ERROR_INVALID_DECAP_NEXT;
+ if (!vxlan_decap_next_is_valid (vxm, is_ip6, a->decap_next_index))
+ return VNET_API_ERROR_INVALID_DECAP_NEXT;
pool_get_aligned (vxm->tunnels, t, CLIB_CACHE_LINE_BYTES);
memset (t, 0, sizeof (*t));
-
+ dev_instance = t - vxm->tunnels;
+
/* copy from arg structure */
#define _(x) t->x = a->x;
foreach_copy_field;
#undef _
- if (!is_ip6)
- rv = vxlan4_rewrite (t);
- else
- rv = vxlan6_rewrite (t);
+ vxlan_rewrite (t, is_ip6);
+ /*
+ * Reconcile the real dev_instance and a possible requested instance.
+ */
+ user_instance = a->instance;
+ if (user_instance == ~0)
+ user_instance = dev_instance;
+ if (hash_get (vxm->instance_used, user_instance))
+ {
+ pool_put (vxm->tunnels, t);
+ return VNET_API_ERROR_INSTANCE_IN_USE;
+ }
+ hash_set (vxm->instance_used, user_instance, 1);
- if (rv)
- {
- pool_put (vxm->tunnels, t);
- return rv;
- }
+ t->dev_instance = dev_instance; /* actual */
+ t->user_instance = user_instance; /* name */
+ t->flow_index = ~0;
/* copy the key */
if (is_ip6)
- hash_set_key_copy (&vxm->vxlan6_tunnel_by_key, &key6, t - vxm->tunnels);
+ hash_set_mem_alloc (&vxm->vxlan6_tunnel_by_key, &key6, dev_instance);
else
- hash_set (vxm->vxlan4_tunnel_by_key, key4.as_u64, t - vxm->tunnels);
-
- vnet_hw_interface_t * hi;
- if (vec_len (vxm->free_vxlan_tunnel_hw_if_indices) > 0)
- {
- vnet_interface_main_t * im = &vnm->interface_main;
- hw_if_index = vxm->free_vxlan_tunnel_hw_if_indices
- [vec_len (vxm->free_vxlan_tunnel_hw_if_indices)-1];
- _vec_len (vxm->free_vxlan_tunnel_hw_if_indices) -= 1;
-
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- hi->dev_instance = t - vxm->tunnels;
- hi->hw_instance = hi->dev_instance;
-
- /* clear old stats of freed tunnel before reuse */
- sw_if_index = hi->sw_if_index;
- vnet_interface_counter_lock(im);
- vlib_zero_combined_counter
- (&im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_TX], sw_if_index);
- vlib_zero_combined_counter
- (&im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_RX], sw_if_index);
- vlib_zero_simple_counter
- (&im->sw_if_counters[VNET_INTERFACE_COUNTER_DROP], sw_if_index);
- vnet_interface_counter_unlock(im);
- }
- else
- {
- hw_if_index = vnet_register_interface
- (vnm, vxlan_device_class.index, t - vxm->tunnels,
- vxlan_hw_class.index, t - vxm->tunnels);
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- }
-
- t->hw_if_index = hw_if_index;
+ hash_set (vxm->vxlan4_tunnel_by_key, key4.as_u64, dev_instance);
+
+ t->hw_if_index = vnet_register_interface
+ (vnm, vxlan_device_class.index, dev_instance,
+ vxlan_hw_class.index, dev_instance);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, t->hw_if_index);
+
+ /* Set vxlan tunnel output node */
+ u32 encap_index = !is_ip6 ?
+ vxlan4_encap_node.index : vxlan6_encap_node.index;
+ vnet_set_interface_output_node (vnm, t->hw_if_index, encap_index);
+
t->sw_if_index = sw_if_index = hi->sw_if_index;
-
- vec_validate_init_empty (vxm->tunnel_index_by_sw_if_index, sw_if_index, ~0);
- vxm->tunnel_index_by_sw_if_index[sw_if_index] = t - vxm->tunnels;
+
+ vec_validate_init_empty (vxm->tunnel_index_by_sw_if_index, sw_if_index,
+ ~0);
+ vxm->tunnel_index_by_sw_if_index[sw_if_index] = dev_instance;
/* setup l2 input config with l2 feature and bd 0 to drop packet */
vec_validate (l2im->configs, sw_if_index);
l2im->configs[sw_if_index].feature_bitmap = L2INPUT_FEAT_DROP;
l2im->configs[sw_if_index].bd_index = 0;
-
- vnet_sw_interface_set_flags (vnm, sw_if_index,
- VNET_SW_INTERFACE_FLAG_ADMIN_UP);
- fib_node_init(&t->node, FIB_NODE_TYPE_VXLAN_TUNNEL);
+
+ vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
+ si->flags &= ~VNET_SW_INTERFACE_FLAG_HIDDEN;
+ vnet_sw_interface_set_flags (vnm, sw_if_index,
+ VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+
+ fib_node_init (&t->node, FIB_NODE_TYPE_VXLAN_TUNNEL);
fib_prefix_t tun_dst_pfx;
- u32 encap_index = !is_ip6 ?
- vxlan4_encap_node.index : vxlan6_encap_node.index;
vnet_flood_class_t flood_class = VNET_FLOOD_CLASS_TUNNEL_NORMAL;
- fib_prefix_from_ip46_addr(&t->dst, &tun_dst_pfx);
- if (!ip46_address_is_multicast(&t->dst))
- {
- /* Unicast tunnel -
- * source the FIB entry for the tunnel's destination
- * and become a child thereof. The tunnel will then get poked
- * when the forwarding for the entry updates, and the tunnel can
- * re-stack accordingly
- */
- vtep_addr_ref(&t->src);
- t->fib_entry_index = fib_table_entry_special_add
- (t->encap_fib_index, &tun_dst_pfx, FIB_SOURCE_RR,
- FIB_ENTRY_FLAG_NONE, ADJ_INDEX_INVALID);
- t->sibling_index = fib_entry_child_add
- (t->fib_entry_index, FIB_NODE_TYPE_VXLAN_TUNNEL, t - vxm->tunnels);
- vxlan_tunnel_restack_dpo(t);
- }
+ fib_prefix_from_ip46_addr (&t->dst, &tun_dst_pfx);
+ if (!ip46_address_is_multicast (&t->dst))
+ {
+ /* Unicast tunnel -
+ * source the FIB entry for the tunnel's destination
+ * and become a child thereof. The tunnel will then get poked
+ * when the forwarding for the entry updates, and the tunnel can
+ * re-stack accordingly
+ */
+ vtep_addr_ref (&t->src);
+ t->fib_entry_index = fib_table_entry_special_add
+ (t->encap_fib_index, &tun_dst_pfx, FIB_SOURCE_RR,
+ FIB_ENTRY_FLAG_NONE);
+ t->sibling_index = fib_entry_child_add
+ (t->fib_entry_index, FIB_NODE_TYPE_VXLAN_TUNNEL, dev_instance);
+ vxlan_tunnel_restack_dpo (t);
+ }
else
- {
- /* Multicast tunnel -
+ {
+ /* Multicast tunnel -
* as the same mcast group can be used for mutiple mcast tunnels
* with different VNIs, create the output fib adjecency only if
* it does not already exist
*/
- fib_protocol_t fp = (is_ip6) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
- dpo_id_t dpo = DPO_INVALID;
- dpo_proto_t dproto = fib_proto_to_dpo(fp);
+ fib_protocol_t fp = fib_ip_proto (is_ip6);
- if (vtep_addr_ref(&t->dst) == 1)
+ if (vtep_addr_ref (&t->dst) == 1)
{
- u8 mcast_mac[6];
-
- ip46_multicast_ethernet_address(mcast_mac, &t->dst);
- receive_dpo_add_or_lock(dproto, ~0, NULL, &dpo);
- mcast_shared_t new_ep = {
- .mcast_adj_index = adj_rewrite_add_and_lock
- (fp, fib_proto_to_link(fp), a->mcast_sw_if_index, mcast_mac),
- /* Add VRF local mcast adj. */
- .fib_entry_index = fib_table_entry_special_dpo_add
- (t->encap_fib_index, &tun_dst_pfx,
- FIB_SOURCE_SPECIAL, FIB_ENTRY_FLAG_NONE, &dpo)
- };
- hash_set_key_copy (&vxm->mcast_shared, &t->dst, new_ep.as_u64);
- dpo_reset(&dpo);
+ fib_node_index_t mfei;
+ adj_index_t ai;
+ fib_route_path_t path = {
+ .frp_proto = fib_proto_to_dpo (fp),
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = 0xffffffff,
+ .frp_fib_index = ~0,
+ .frp_weight = 0,
+ .frp_flags = FIB_ROUTE_PATH_LOCAL,
+ };
+ const mfib_prefix_t mpfx = {
+ .fp_proto = fp,
+ .fp_len = (is_ip6 ? 128 : 32),
+ .fp_grp_addr = tun_dst_pfx.fp_addr,
+ };
+
+ /*
+ * Setup the (*,G) to receive traffic on the mcast group
+ * - the forwarding interface is for-us
+ * - the accepting interface is that from the API
+ */
+ mfib_table_entry_path_update (t->encap_fib_index,
+ &mpfx,
+ MFIB_SOURCE_VXLAN,
+ &path, MFIB_ITF_FLAG_FORWARD);
+
+ path.frp_sw_if_index = a->mcast_sw_if_index;
+ path.frp_flags = FIB_ROUTE_PATH_FLAG_NONE;
+ mfei = mfib_table_entry_path_update (t->encap_fib_index,
+ &mpfx,
+ MFIB_SOURCE_VXLAN,
+ &path,
+ MFIB_ITF_FLAG_ACCEPT);
+
+ /*
+ * Create the mcast adjacency to send traffic to the group
+ */
+ ai = adj_mcast_add_or_lock (fp,
+ fib_proto_to_link (fp),
+ a->mcast_sw_if_index);
+
+ /*
+ * create a new end-point
+ */
+ mcast_shared_add (&t->dst, mfei, ai);
}
- /* Stack shared mcast dst mac addr rewrite on encap */
- mcast_shared_t ep = mcast_shared_get(&t->dst);
- dpo_set (&dpo, DPO_ADJACENCY, dproto, ep.mcast_adj_index);
- dpo_stack_from_node (encap_index, &t->next_dpo, &dpo);
- dpo_reset (&dpo);
+
+ dpo_id_t dpo = DPO_INVALID;
+ mcast_shared_t ep = mcast_shared_get (&t->dst);
+
+ /* Stack shared mcast dst mac addr rewrite on encap */
+ dpo_set (&dpo, DPO_ADJACENCY_MCAST,
+ fib_proto_to_dpo (fp), ep.mcast_adj_index);
+
+ dpo_stack_from_node (encap_index, &t->next_dpo, &dpo);
+ dpo_reset (&dpo);
flood_class = VNET_FLOOD_CLASS_TUNNEL_MASTER;
}
- /* Set vxlan tunnel output node */
- hi->output_node_index = encap_index;
-
- vnet_get_sw_interface (vnet_get_main(), sw_if_index)->flood_class = flood_class;
+ vnet_get_sw_interface (vnet_get_main (), sw_if_index)->flood_class =
+ flood_class;
}
else
{
/* deleting a tunnel: tunnel must exist */
if (!p)
- return VNET_API_ERROR_NO_SUCH_ENTRY;
+ return VNET_API_ERROR_NO_SUCH_ENTRY;
- t = pool_elt_at_index (vxm->tunnels, p[0]);
+ u32 instance = p[0];
+ t = pool_elt_at_index (vxm->tunnels, instance);
- vnet_sw_interface_set_flags (vnm, t->sw_if_index, 0 /* down */);
- /* 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);
- vec_add1 (vxm->free_vxlan_tunnel_hw_if_indices, t->hw_if_index);
+ sw_if_index = t->sw_if_index;
+ vnet_sw_interface_set_flags (vnm, sw_if_index, 0 /* down */ );
- vxm->tunnel_index_by_sw_if_index[t->sw_if_index] = ~0;
+ vxm->tunnel_index_by_sw_if_index[sw_if_index] = ~0;
if (!is_ip6)
- hash_unset (vxm->vxlan4_tunnel_by_key, key4.as_u64);
+ hash_unset (vxm->vxlan4_tunnel_by_key, key4.as_u64);
else
- hash_unset_key_free (&vxm->vxlan6_tunnel_by_key, &key6);
-
- if (!ip46_address_is_multicast(&t->dst))
- {
- vtep_addr_unref(&t->src);
- fib_entry_child_remove(t->fib_entry_index, t->sibling_index);
- fib_table_entry_delete_index(t->fib_entry_index, FIB_SOURCE_RR);
- }
- else if (vtep_addr_unref(&t->dst) == 0)
- {
- mcast_shared_t ep = mcast_shared_get(&t->dst);
- adj_unlock(ep.mcast_adj_index);
- fib_table_entry_delete_index(ep.fib_entry_index, FIB_SOURCE_SPECIAL);
- hash_unset_key_free (&vxm->mcast_shared, &t->dst);
- }
-
- fib_node_deinit(&t->node);
- vec_free (t->rewrite);
- pool_put (vxm->tunnels, t);
- }
-
- if (sw_if_indexp)
- *sw_if_indexp = sw_if_index;
-
- return 0;
-}
+ hash_unset_mem_free (&vxm->vxlan6_tunnel_by_key, &key6);
-static u32 fib4_index_from_fib_id (u32 fib_id)
-{
- ip4_main_t * im = &ip4_main;
- uword * p;
+ if (!ip46_address_is_multicast (&t->dst))
+ {
+ if (t->flow_index != ~0)
+ vnet_flow_del (vnm, t->flow_index);
- p = hash_get (im->fib_index_by_table_id, fib_id);
- if (!p)
- return ~0;
+ vtep_addr_unref (&t->src);
+ fib_entry_child_remove (t->fib_entry_index, t->sibling_index);
+ fib_table_entry_delete_index (t->fib_entry_index, FIB_SOURCE_RR);
+ }
+ else if (vtep_addr_unref (&t->dst) == 0)
+ {
+ mcast_shared_remove (&t->dst);
+ }
- return p[0];
-}
+ vnet_delete_hw_interface (vnm, t->hw_if_index);
+ hash_unset (vxm->instance_used, t->user_instance);
-static u32 fib6_index_from_fib_id (u32 fib_id)
-{
- ip6_main_t * im = &ip6_main;
- uword * p;
+ fib_node_deinit (&t->node);
+ pool_put (vxm->tunnels, t);
+ }
- p = hash_get (im->fib_index_by_table_id, fib_id);
- if (!p)
- return ~0;
+ if (sw_if_indexp)
+ *sw_if_indexp = sw_if_index;
- return p[0];
+ return 0;
}
-static uword get_decap_next_for_node(u32 node_index, u32 ipv4_set)
+static uword
+get_decap_next_for_node (u32 node_index, u32 ipv4_set)
{
- vxlan_main_t * vxm = &vxlan_main;
- vlib_main_t * vm = vxm->vlib_main;
- uword next_index = ~0;
+ vxlan_main_t *vxm = &vxlan_main;
+ vlib_main_t *vm = vxm->vlib_main;
+ uword input_node = (ipv4_set) ? vxlan4_input_node.index :
+ vxlan6_input_node.index;
- if (ipv4_set)
- {
- next_index = vlib_node_add_next (vm, vxlan4_input_node.index, node_index);
- }
- else
- {
- next_index = vlib_node_add_next (vm, vxlan6_input_node.index, node_index);
- }
-
- return next_index;
+ return vlib_node_add_next (vm, input_node, node_index);
}
-static uword unformat_decap_next (unformat_input_t * input, va_list * args)
+static uword
+unformat_decap_next (unformat_input_t * input, va_list * args)
{
- u32 * result = va_arg (*args, u32 *);
+ u32 *result = va_arg (*args, u32 *);
u32 ipv4_set = va_arg (*args, int);
- vxlan_main_t * vxm = &vxlan_main;
- vlib_main_t * vm = vxm->vlib_main;
+ vxlan_main_t *vxm = &vxlan_main;
+ vlib_main_t *vm = vxm->vlib_main;
u32 node_index;
u32 tmp;
if (unformat (input, "l2"))
*result = VXLAN_INPUT_NEXT_L2_INPUT;
else if (unformat (input, "node %U", unformat_vlib_node, vm, &node_index))
- *result = get_decap_next_for_node(node_index, ipv4_set);
+ *result = get_decap_next_for_node (node_index, ipv4_set);
else if (unformat (input, "%d", &tmp))
*result = tmp;
else
static clib_error_t *
vxlan_add_del_tunnel_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- unformat_input_t _line_input, * line_input = &_line_input;
- ip46_address_t src , dst;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ ip46_address_t src = ip46_address_initializer, dst =
+ ip46_address_initializer;
u8 is_add = 1;
u8 src_set = 0;
u8 dst_set = 0;
u8 grp_set = 0;
u8 ipv4_set = 0;
u8 ipv6_set = 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 tmp;
- int rv;
- vnet_vxlan_add_del_tunnel_args_t _a, * a = &_a;
- u32 tunnel_sw_if_index;
-
- /* Cant "universally zero init" (={0}) due to GCC bug 53119 */
- memset(&src, 0, sizeof src);
- memset(&dst, 0, sizeof dst);
+ u32 table_id;
+ clib_error_t *error = NULL;
/* Get a line of input. */
- if (! unformat_user (input, unformat_line_input, line_input))
+ if (!unformat_user (input, unformat_line_input, line_input))
return 0;
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
- if (unformat (line_input, "del"))
- {
- 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_ip6_address, &src.ip6))
- {
- src_set = 1;
- ipv6_set = 1;
- }
- else if (unformat (line_input, "dst %U",
- unformat_ip6_address, &dst.ip6))
- {
- dst_set = 1;
- ipv6_set = 1;
- }
- else if (unformat (line_input, "group %U %U",
- unformat_ip4_address, &dst.ip4,
- unformat_vnet_sw_interface,
- vnet_get_main(), &mcast_sw_if_index))
- {
- grp_set = dst_set = 1;
- ipv4_set = 1;
- }
- else if (unformat (line_input, "group %U %U",
- unformat_ip6_address, &dst.ip6,
- unformat_vnet_sw_interface,
- vnet_get_main(), &mcast_sw_if_index))
- {
- grp_set = dst_set = 1;
- ipv6_set = 1;
- }
- else if (unformat (line_input, "encap-vrf-id %d", &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);
- }
- else if (unformat (line_input, "decap-next %U", unformat_decap_next,
- &decap_next_index, ipv4_set))
- ;
- else if (unformat (line_input, "vni %d", &vni))
- {
- if (vni >> 24)
- return clib_error_return (0, "vni %d out of range", vni);
- }
- else
- return clib_error_return (0, "parse error: '%U'",
- format_unformat_error, line_input);
- }
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del"))
+ {
+ is_add = 0;
+ }
+ else if (unformat (line_input, "instance %d", &instance))
+ ;
+ else if (unformat (line_input, "src %U",
+ unformat_ip46_address, &src, IP46_TYPE_ANY))
+ {
+ src_set = 1;
+ ip46_address_is_ip4 (&src) ? (ipv4_set = 1) : (ipv6_set = 1);
+ }
+ else if (unformat (line_input, "dst %U",
+ unformat_ip46_address, &dst, IP46_TYPE_ANY))
+ {
+ dst_set = 1;
+ ip46_address_is_ip4 (&dst) ? (ipv4_set = 1) : (ipv6_set = 1);
+ }
+ else if (unformat (line_input, "group %U %U",
+ unformat_ip46_address, &dst, IP46_TYPE_ANY,
+ unformat_vnet_sw_interface,
+ vnet_get_main (), &mcast_sw_if_index))
+ {
+ grp_set = dst_set = 1;
+ ip46_address_is_ip4 (&dst) ? (ipv4_set = 1) : (ipv6_set = 1);
+ }
+ else if (unformat (line_input, "encap-vrf-id %d", &table_id))
+ {
+ encap_fib_index =
+ fib_table_find (fib_ip_proto (ipv6_set), table_id);
+ if (encap_fib_index == ~0)
+ {
+ error =
+ clib_error_return (0, "nonexistent encap-vrf-id %d",
+ table_id);
+ break;
+ }
+ }
+ 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
+ {
+ error = clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ break;
+ }
+ }
unformat_free (line_input);
+ if (error)
+ return error;
+
if (src_set == 0)
return clib_error_return (0, "tunnel src address not specified");
if (dst_set == 0)
return clib_error_return (0, "tunnel dst address not specified");
- if (grp_set && !ip46_address_is_multicast(&dst))
+ if (grp_set && !ip46_address_is_multicast (&dst))
return clib_error_return (0, "tunnel group address not multicast");
- if (grp_set == 0 && ip46_address_is_multicast(&dst))
+ if (grp_set == 0 && ip46_address_is_multicast (&dst))
return clib_error_return (0, "dst address must be unicast");
if (grp_set && mcast_sw_if_index == ~0)
if (ipv4_set && ipv6_set)
return clib_error_return (0, "both IPv4 and IPv6 addresses specified");
- if (ip46_address_cmp(&src, &dst) == 0)
+ if (ip46_address_cmp (&src, &dst) == 0)
return clib_error_return (0, "src and dst addresses are identical");
if (decap_next_index == ~0)
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;
+ if (vni >> 24)
+ return clib_error_return (0, "vni %d out of range", vni);
-#define _(x) a->x = x;
- foreach_copy_field;
+ vnet_vxlan_add_del_tunnel_args_t a = {
+ .is_add = is_add,
+ .is_ip6 = ipv6_set,
+ .instance = instance,
+#define _(x) .x = x,
+ foreach_copy_field
#undef _
-
- rv = vnet_vxlan_add_del_tunnel (a, &tunnel_sw_if_index);
+ };
+
+ u32 tunnel_sw_if_index;
+ int rv = vnet_vxlan_add_del_tunnel (&a, &tunnel_sw_if_index);
- switch(rv)
+ switch (rv)
{
case 0:
if (is_add)
- vlib_cli_output(vm, "%U\n", format_vnet_sw_if_index_name,
- vnet_get_main(), tunnel_sw_if_index);
+ vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
+ vnet_get_main (), tunnel_sw_if_index);
break;
case VNET_API_ERROR_TUNNEL_EXIST:
case VNET_API_ERROR_NO_SUCH_ENTRY:
return clib_error_return (0, "tunnel does not exist...");
+ case VNET_API_ERROR_INSTANCE_IN_USE:
+ return clib_error_return (0, "Instance is in use");
+
default:
- return clib_error_return
- (0, "vnet_vxlan_add_del_tunnel returned %d", rv);
+ return clib_error_return
+ (0, "vnet_vxlan_add_del_tunnel returned %d", rv);
}
- return 0;
+ return error;
}
/*?
* @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}
+ * 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 delete a VXLAN Tunnel:
* @cliexcmd{create vxlan tunnel src 10.0.3.1 dst 10.0.3.3 vni 13 del}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (create_vxlan_tunnel_command, static) = {
.path = "create vxlan tunnel",
- .short_help =
+ .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]",
.function = vxlan_add_del_tunnel_command_fn,
};
static clib_error_t *
show_vxlan_tunnel_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- vxlan_main_t * vxm = &vxlan_main;
- vxlan_tunnel_t * t;
-
+ vxlan_main_t *vxm = &vxlan_main;
+ vxlan_tunnel_t *t;
+
if (pool_elts (vxm->tunnels) == 0)
vlib_cli_output (vm, "No vxlan tunnels configured...");
+/* *INDENT-OFF* */
pool_foreach (t, vxm->tunnels,
({
vlib_cli_output (vm, "%U", format_vxlan_tunnel, t);
}));
-
+/* *INDENT-ON* */
+
return 0;
}
/* *INDENT-ON* */
-clib_error_t *vxlan_init (vlib_main_t *vm)
+void
+vnet_int_vxlan_bypass_mode (u32 sw_if_index, u8 is_ip6, u8 is_enable)
+{
+ if (is_ip6)
+ vnet_feature_enable_disable ("ip6-unicast", "ip6-vxlan-bypass",
+ sw_if_index, is_enable, 0, 0);
+ else
+ vnet_feature_enable_disable ("ip4-unicast", "ip4-vxlan-bypass",
+ sw_if_index, is_enable, 0, 0);
+}
+
+
+static clib_error_t *
+set_ip_vxlan_bypass (u32 is_ip6,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
+ u32 sw_if_index, is_enable;
+
+ sw_if_index = ~0;
+ is_enable = 1;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat_user
+ (line_input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ ;
+ else if (unformat (line_input, "del"))
+ is_enable = 0;
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (~0 == sw_if_index)
+ {
+ error = clib_error_return (0, "unknown interface `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+
+ vnet_int_vxlan_bypass_mode (sw_if_index, is_ip6, is_enable);
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+static clib_error_t *
+set_ip4_vxlan_bypass (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ return set_ip_vxlan_bypass (0, input, cmd);
+}
+
+/*?
+ * This command adds the 'ip4-vxlan-bypass' graph node for a given interface.
+ * By adding the IPv4 vxlan-bypass graph node to an interface, the node checks
+ * for and validate input vxlan packet and bypass ip4-lookup, ip4-local,
+ * ip4-udp-lookup nodes to speedup vxlan packet forwarding. This node will
+ * cause extra overhead to for non-vxlan packets which is kept at a minimum.
+ *
+ * @cliexpar
+ * @parblock
+ * Example of graph node before ip4-vxlan-bypass is enabled:
+ * @cliexstart{show vlib graph ip4-vxlan-bypass}
+ * Name Next Previous
+ * ip4-vxlan-bypass error-drop [0]
+ * vxlan4-input [1]
+ * ip4-lookup [2]
+ * @cliexend
+ *
+ * Example of how to enable ip4-vxlan-bypass on an interface:
+ * @cliexcmd{set interface ip vxlan-bypass GigabitEthernet2/0/0}
+ *
+ * Example of graph node after ip4-vxlan-bypass is enabled:
+ * @cliexstart{show vlib graph ip4-vxlan-bypass}
+ * Name Next Previous
+ * ip4-vxlan-bypass error-drop [0] ip4-input
+ * vxlan4-input [1] ip4-input-no-checksum
+ * ip4-lookup [2]
+ * @cliexend
+ *
+ * Example of how to display the feature enabed on an interface:
+ * @cliexstart{show ip interface features GigabitEthernet2/0/0}
+ * IP feature paths configured on GigabitEthernet2/0/0...
+ * ...
+ * ipv4 unicast:
+ * ip4-vxlan-bypass
+ * ip4-lookup
+ * ...
+ * @cliexend
+ *
+ * Example of how to disable ip4-vxlan-bypass on an interface:
+ * @cliexcmd{set interface ip vxlan-bypass GigabitEthernet2/0/0 del}
+ * @endparblock
+?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_interface_ip_vxlan_bypass_command, static) = {
+ .path = "set interface ip vxlan-bypass",
+ .function = set_ip4_vxlan_bypass,
+ .short_help = "set interface ip vxlan-bypass <interface> [del]",
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+set_ip6_vxlan_bypass (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ return set_ip_vxlan_bypass (1, input, cmd);
+}
+
+/*?
+ * This command adds the 'ip6-vxlan-bypass' graph node for a given interface.
+ * By adding the IPv6 vxlan-bypass graph node to an interface, the node checks
+ * for and validate input vxlan packet and bypass ip6-lookup, ip6-local,
+ * ip6-udp-lookup nodes to speedup vxlan packet forwarding. This node will
+ * cause extra overhead to for non-vxlan packets which is kept at a minimum.
+ *
+ * @cliexpar
+ * @parblock
+ * Example of graph node before ip6-vxlan-bypass is enabled:
+ * @cliexstart{show vlib graph ip6-vxlan-bypass}
+ * Name Next Previous
+ * ip6-vxlan-bypass error-drop [0]
+ * vxlan6-input [1]
+ * ip6-lookup [2]
+ * @cliexend
+ *
+ * Example of how to enable ip6-vxlan-bypass on an interface:
+ * @cliexcmd{set interface ip6 vxlan-bypass GigabitEthernet2/0/0}
+ *
+ * Example of graph node after ip6-vxlan-bypass is enabled:
+ * @cliexstart{show vlib graph ip6-vxlan-bypass}
+ * Name Next Previous
+ * ip6-vxlan-bypass error-drop [0] ip6-input
+ * vxlan6-input [1] ip4-input-no-checksum
+ * ip6-lookup [2]
+ * @cliexend
+ *
+ * Example of how to display the feature enabed on an interface:
+ * @cliexstart{show ip interface features GigabitEthernet2/0/0}
+ * IP feature paths configured on GigabitEthernet2/0/0...
+ * ...
+ * ipv6 unicast:
+ * ip6-vxlan-bypass
+ * ip6-lookup
+ * ...
+ * @cliexend
+ *
+ * Example of how to disable ip6-vxlan-bypass on an interface:
+ * @cliexcmd{set interface ip6 vxlan-bypass GigabitEthernet2/0/0 del}
+ * @endparblock
+?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_interface_ip6_vxlan_bypass_command, static) = {
+ .path = "set interface ip6 vxlan-bypass",
+ .function = set_ip6_vxlan_bypass,
+ .short_help = "set interface ip vxlan-bypass <interface> [del]",
+};
+/* *INDENT-ON* */
+
+int
+vnet_vxlan_add_del_rx_flow (u32 hw_if_index, u32 t_index, int is_add)
+{
+ vxlan_main_t *vxm = &vxlan_main;
+ vxlan_tunnel_t *t = pool_elt_at_index (vxm->tunnels, t_index);
+ vnet_main_t *vnm = vnet_get_main ();
+ if (is_add)
+ {
+ if (t->flow_index == ~0)
+ {
+ vxlan_main_t *vxm = &vxlan_main;
+ vnet_flow_t flow = {
+ .actions =
+ VNET_FLOW_ACTION_REDIRECT_TO_NODE | VNET_FLOW_ACTION_MARK,
+ .mark_flow_id = t->dev_instance + vxm->flow_id_start,
+ .redirect_node_index = vxlan4_flow_input_node.index,
+ .type = VNET_FLOW_TYPE_IP4_VXLAN,
+ .ip4_vxlan = {
+ .src_addr = t->dst.ip4,
+ .dst_addr = t->src.ip4,
+ .dst_port = UDP_DST_PORT_vxlan,
+ .vni = t->vni,
+ }
+ ,
+ };
+ vnet_flow_add (vnm, &flow, &t->flow_index);
+ }
+ return vnet_flow_enable (vnm, t->flow_index, hw_if_index);
+ }
+ /* flow index is removed when the tunnel is deleted */
+ return vnet_flow_disable (vnm, t->flow_index, hw_if_index);
+}
+
+u32
+vnet_vxlan_get_tunnel_index (u32 sw_if_index)
+{
+ vxlan_main_t *vxm = &vxlan_main;
+
+ if (sw_if_index > vec_len (vxm->tunnel_index_by_sw_if_index))
+ return ~0;
+ return vxm->tunnel_index_by_sw_if_index[sw_if_index];
+}
+
+static clib_error_t *
+vxlan_offload_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 rx_sw_if_index = ~0;
+ u32 hw_if_index = ~0;
+ int is_add = 1;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "hw %U", unformat_vnet_hw_interface, vnm,
+ &hw_if_index))
+ continue;
+ if (unformat (line_input, "rx %U", unformat_vnet_sw_interface, vnm,
+ &rx_sw_if_index))
+ continue;
+ if (unformat (line_input, "del"))
+ {
+ is_add = 0;
+ continue;
+ }
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ }
+
+ if (rx_sw_if_index == ~0)
+ return clib_error_return (0, "missing rx interface");
+ if (hw_if_index == ~0)
+ return clib_error_return (0, "missing hw interface");
+
+ u32 t_index = vnet_vxlan_get_tunnel_index (rx_sw_if_index);;
+ if (t_index == ~0)
+ return clib_error_return (0, "%U is not a vxlan tunnel",
+ format_vnet_sw_if_index_name, vnm,
+ rx_sw_if_index);
+
+ vxlan_main_t *vxm = &vxlan_main;
+ vxlan_tunnel_t *t = pool_elt_at_index (vxm->tunnels, t_index);
+
+ if (!ip46_address_is_ip4 (&t->dst))
+ return clib_error_return (0, "currently only IPV4 tunnels are supported");
+
+ vnet_hw_interface_t *hw_if = vnet_get_hw_interface (vnm, hw_if_index);
+ ip4_main_t *im = &ip4_main;
+ u32 rx_fib_index =
+ vec_elt (im->fib_index_by_sw_if_index, hw_if->sw_if_index);
+
+ if (t->encap_fib_index != rx_fib_index)
+ return clib_error_return (0, "interface/tunnel fib mismatch");
+
+ if (vnet_vxlan_add_del_rx_flow (hw_if_index, t_index, is_add))
+ return clib_error_return (0, "error %s flow",
+ is_add ? "enabling" : "disabling");
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (vxlan_offload_command, static) = {
+ .path = "set flow-offload vxlan",
+ .short_help =
+ "set flow-offload vxlan hw <inerface-name> rx <tunnel-name> [del]",
+ .function = vxlan_offload_command_fn,
+};
+/* *INDENT-ON* */
+
+clib_error_t *
+vxlan_init (vlib_main_t * vm)
{
- vxlan_main_t * vxm = &vxlan_main;
-
- vxm->vnet_main = vnet_get_main();
+ vxlan_main_t *vxm = &vxlan_main;
+
+ vxm->vnet_main = vnet_get_main ();
vxm->vlib_main = vm;
+ vnet_flow_get_range (vxm->vnet_main, "vxlan", 1024 * 1024,
+ &vxm->flow_id_start);
+
/* initialize the ip6 hash */
- vxm->vxlan6_tunnel_by_key = hash_create_mem(0,
- sizeof(vxlan6_tunnel_key_t),
- sizeof(uword));
- vxm->vtep6 = hash_create_mem(0,
- sizeof(ip6_address_t),
- sizeof(uword));
- vxm->mcast_shared = hash_create_mem(0,
- sizeof(ip46_address_t),
- sizeof(mcast_shared_t));
-
- udp_register_dst_port (vm, UDP_DST_PORT_vxlan,
- vxlan4_input_node.index, /* is_ip4 */ 1);
+ vxm->vxlan6_tunnel_by_key = hash_create_mem (0,
+ sizeof (vxlan6_tunnel_key_t),
+ sizeof (uword));
+ vxm->vtep6 = hash_create_mem (0, sizeof (ip6_address_t), sizeof (uword));
+ vxm->mcast_shared = hash_create_mem (0,
+ sizeof (ip46_address_t),
+ sizeof (mcast_shared_t));
+
+ udp_register_dst_port (vm, UDP_DST_PORT_vxlan,
+ vxlan4_input_node.index, /* is_ip4 */ 1);
udp_register_dst_port (vm, UDP_DST_PORT_vxlan6,
- vxlan6_input_node.index, /* is_ip4 */ 0);
+ vxlan6_input_node.index, /* is_ip4 */ 0);
- fib_node_register_type(FIB_NODE_TYPE_VXLAN_TUNNEL, &vxlan_vft);
+ fib_node_register_type (FIB_NODE_TYPE_VXLAN_TUNNEL, &vxlan_vft);
return 0;
}
-VLIB_INIT_FUNCTION(vxlan_init);
+VLIB_INIT_FUNCTION (vxlan_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff