#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
#include <vnet/l2/l2_input.h>
+#include <vnet/l2/l2_output.h>
#include <vnet/l2/l2_bd.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/vxlan/vxlan_packet.h>
#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/ip6_packet.h>
#include <vnet/ip/udp.h>
+#include <vnet/dpo/dpo.h>
typedef CLIB_PACKED (struct {
ip4_header_t ip4; /* 20 bytes */
vxlan_header_t vxlan; /* 8 bytes */
}) ip4_vxlan_header_t;
+typedef CLIB_PACKED (struct {
+ ip6_header_t ip6; /* 40 bytes */
+ udp_header_t udp; /* 8 bytes */
+ vxlan_header_t vxlan; /* 8 bytes */
+}) ip6_vxlan_header_t;
+
typedef CLIB_PACKED(struct {
/*
* Key fields: ip src and vxlan vni on incoming VXLAN packet
};
u64 as_u64;
};
-}) vxlan_tunnel_key_t;
+}) vxlan4_tunnel_key_t;
+
+typedef CLIB_PACKED(struct {
+ /*
+ * Key fields: ip src and vxlan vni on incoming VXLAN packet
+ * all fields in NET byte order
+ */
+ ip6_address_t src;
+ u32 vni; /* shifted left 8 bits */
+}) vxlan6_tunnel_key_t;
typedef struct {
/* Rewrite string. $$$$ embed vnet_rewrite header */
u8 * rewrite;
- /* decap next index */
- u32 decap_next_index;
+ /* FIB DPO for IP forwarding of VXLAN encap packet */
+ dpo_id_t next_dpo;
- /* tunnel src and dst addresses */
- ip4_address_t src;
- ip4_address_t dst;
+ /* storage for the hash key */
+ union {
+ vxlan4_tunnel_key_t *key4; /* unused for now */
+ vxlan6_tunnel_key_t *key6;
+ };
/* vxlan VNI in HOST byte order */
u32 vni;
- /* L3 FIB index and L2 BD ID */
- u16 encap_fib_index; /* tunnel partner IP lookup here */
+ /* tunnel src and dst addresses */
+ ip46_address_t src;
+ ip46_address_t dst;
+
+ /* The FIB index for src/dst addresses */
+ u32 encap_fib_index;
- /* vnet intfc hw/sw_if_index */
- u16 hw_if_index;
+ /* vnet intfc index */
u32 sw_if_index;
+ u32 hw_if_index;
+
+ /**
+ * Linkage into the FIB object graph
+ */
+ fib_node_t node;
+
+ /* The FIB entry sourced by the tunnel for its destination prefix */
+ fib_node_index_t fib_entry_index;
+
+ /**
+ * The tunnel is a child of the FIB entry for its desintion. This is
+ * so it receives updates when the forwarding information for that entry
+ * changes.
+ * The tunnels sibling index on the FIB entry's dependency list.
+ */
+ u32 sibling_index;
} vxlan_tunnel_t;
#define foreach_vxlan_input_next \
_(DROP, "error-drop") \
-_(L2_INPUT, "l2-input") \
-_(IP4_INPUT, "ip4-input") \
-_(IP6_INPUT, "ip6-input")
+_(L2_INPUT, "l2-input")
typedef enum {
#define _(s,n) VXLAN_INPUT_NEXT_##s,
vxlan_tunnel_t *tunnels;
/* lookup tunnel by key */
- uword * vxlan_tunnel_by_key;
+ uword * vxlan4_tunnel_by_key; /* keyed on ipv4.dst + vni */
+ uword * vxlan6_tunnel_by_key; /* keyed on ipv6.dst + vni */
/* Free vlib hw_if_indices */
u32 * free_vxlan_tunnel_hw_if_indices;
- /* Dummy rewrite for deleted vxlan_tunnels with hw_if_indices as above */
- u64 dummy_str [sizeof(ip4_vxlan_header_t)/sizeof(u64) + 2];
-#define vxlan_dummy_rewrite ((u8 *) &vxlan_main.dummy_str[1])
-
/* Mapping from sw_if_index to tunnel index */
u32 * tunnel_index_by_sw_if_index;
vxlan_main_t vxlan_main;
-vlib_node_registration_t vxlan_input_node;
-vlib_node_registration_t vxlan_encap_node;
+extern vlib_node_registration_t vxlan4_input_node;
+extern vlib_node_registration_t vxlan6_input_node;
+extern vlib_node_registration_t vxlan4_encap_node;
+extern vlib_node_registration_t vxlan6_encap_node;
u8 * format_vxlan_encap_trace (u8 * s, va_list * args);
typedef struct {
u8 is_add;
- ip4_address_t src, dst;
+
+ /* we normally use is_ip4, but since this adds to the
+ * structure, this seems less of abreaking change */
+ u8 is_ip6;
+ ip46_address_t src, dst;
u32 encap_fib_index;
u32 decap_next_index;
u32 vni;