#include <vnet/vnet.h>
#include <vnet/gre/gre.h>
-#include <vnet/mpls-gre/packet.h>
+#include <vnet/mpls/packet.h>
+#include <vnet/mpls/mpls_types.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ethernet/ethernet.h>
+#include <vnet/fib/fib_node.h>
+#include <vnet/adj/adj.h>
typedef CLIB_PACKED (struct {
ip4_header_t ip4; /* 20 bytes */
typedef enum {
#define mpls_error(n,s) MPLS_ERROR_##n,
-#include <vnet/mpls-gre/error.def>
+#include <vnet/mpls/error.def>
#undef mpls_error
MPLS_N_ERROR,
} mpls_gre_error_t;
*/
typedef struct {
+ fib_node_t mgt_node;
ip4_address_t tunnel_src;
ip4_address_t tunnel_dst;
ip4_address_t intfc_address;
u32 hw_if_index; /* L2 x-connect capable tunnel intfc */
u8 * rewrite_data;
u8 l2_only;
+ fib_node_index_t fei; /* FIB Entry index for the tunnel's destination */
+ adj_index_t adj_index; /* The midchain adj this tunnel creates */
+ u32 sibling_index;
} mpls_gre_tunnel_t;
typedef struct {
u32 hw_if_index;
u8 * rewrite_data;
u8 l2_only;
+ fib_node_index_t fei;
} mpls_eth_tunnel_t;
typedef struct {
u32 next_index; /* e.g. ip4/6-input, l2-input */
} mpls_decap_t;
+#define MPLS_FIB_DEFAULT_TABLE_ID 0
+
+/**
+ * Type exposure is to allow the DP fast/inlined access
+ */
+#define MPLS_FIB_KEY_SIZE 21
+#define MPLS_FIB_DB_SIZE (1 << (MPLS_FIB_KEY_SIZE-1))
+
+typedef struct mpls_fib_t_
+{
+ /**
+ * A hash table of entries. 21 bit key
+ * Hash table for reduced memory footprint
+ */
+ uword * mf_entries;
+
+ /**
+ * The load-balance indeices keyed by 21 bit label+eos bit.
+ * A flat array for maximum lookup performace.
+ */
+ index_t mf_lbs[MPLS_FIB_DB_SIZE];
+} mpls_fib_t;
+
+/**
+ * @brief Definition of a callback for receiving MPLS interface state change
+ * notifications
+ */
+typedef void (*mpls_interface_state_change_callback_t)(u32 sw_if_index,
+ u32 is_enable);
+
typedef struct {
+ /* MPLS FIB index for each software interface */
+ u32 *fib_index_by_sw_if_index;
+
+ /** A pool of all the MPLS FIBs */
+ struct fib_table_t_ *fibs;
+
+ /** A hash table to lookup the mpls_fib by table ID */
+ uword *fib_index_by_table_id;
+
+ /* rx/tx interface/feature configuration. */
+ ip_config_main_t rx_config_mains, tx_config_main;
+
+ /* Built-in unicast feature path indices, see ip_feature_init_cast(...) */
+ u32 mpls_rx_feature_lookup;
+ u32 mpls_rx_feature_not_enabled;
+
/* pool of gre tunnel instances */
mpls_gre_tunnel_t *gre_tunnels;
u32 * free_gre_sw_if_indices;
u32 ip4_classify_mpls_policy_encap_next_index;
u32 ip6_classify_mpls_policy_encap_next_index;
+ /* feature path configuration lists */
+ vnet_ip_feature_registration_t * next_feature;
+
+ /* Save feature results for show command */
+ char **feature_nodes;
+
+ /* IP4 enabled count by software interface */
+ u8 * mpls_enabled_by_sw_if_index;
+
+ /* Functions to call when MPLS state on an interface changes. */
+ mpls_interface_state_change_callback_t * mpls_interface_state_change_callbacks;
+
/* convenience */
vlib_main_t * vlib_main;
vnet_main_t * vnet_main;
} mpls_main_t;
-mpls_main_t mpls_main;
+extern mpls_main_t mpls_main;
+
+#define VNET_MPLS_FEATURE_INIT(x,...) \
+ __VA_ARGS__ vnet_ip_feature_registration_t uc_##x; \
+static void __vnet_add_feature_registration_uc_##x (void) \
+ __attribute__((__constructor__)) ; \
+static void __vnet_add_feature_registration_uc_##x (void) \
+{ \
+ mpls_main_t * mm = &mpls_main; \
+ uc_##x.next = mm->next_feature; \
+ mm->next_feature = &uc_##x; \
+} \
+__VA_ARGS__ vnet_ip_feature_registration_t uc_##x
+
+extern clib_error_t * mpls_feature_init(vlib_main_t * vm);
format_function_t format_mpls_protocol;
-format_function_t format_mpls_header;
-format_function_t format_mpls_header_with_length;
format_function_t format_mpls_gre_header_with_length;
format_function_t format_mpls_eth_header_with_length;
-format_function_t format_mpls_unicast_label;
format_function_t format_mpls_encap_index;
+format_function_t format_mpls_eos_bit;
+format_function_t format_mpls_unicast_header_net_byte_order;
+format_function_t format_mpls_unicast_label;
+format_function_t format_mpls_header;
+
extern vlib_node_registration_t mpls_input_node;
extern vlib_node_registration_t mpls_policy_encap_node;
+extern vlib_node_registration_t mpls_output_node;
+extern vlib_node_registration_t mpls_midchain_node;
extern vnet_device_class_t mpls_gre_device_class;
unformat_function_t unformat_mpls_label_net_byte_order;
unformat_function_t unformat_mpls_gre_header;
unformat_function_t unformat_pg_mpls_gre_header;
+unformat_function_t unformat_mpls_unicast_label;
/* Parse mpls header. */
unformat_function_t unformat_mpls_header;
#define MPLS_GRE_OUTPUT_NEXT_LOOKUP 1
#define MPLS_GRE_OUTPUT_NEXT_DROP VNET_INTERFACE_TX_NEXT_DROP
+void mpls_sw_interface_enable_disable (mpls_main_t * mm,
+ u32 sw_if_index,
+ u8 is_enable);
+
+u8 mpls_sw_interface_is_enabled (u32 sw_if_index);
+
mpls_encap_t *
mpls_encap_by_fib_and_dest (mpls_main_t * mm, u32 rx_fib, u32 dst_address);
int vnet_mpls_policy_tunnel_add_rewrite (mpls_main_t * mm,
mpls_encap_t * e,
u32 policy_tunnel_index);
+
typedef struct {
u32 lookup_miss;
#define foreach_mpls_input_next \
_(DROP, "error-drop") \
-_(IP4_INPUT, "ip4-input") \
-_(L2_OUTPUT, "l2-output")
+_(LOOKUP, "mpls-lookup")
typedef enum {
#define _(s,n) MPLS_INPUT_NEXT_##s,
MPLS_INPUT_N_NEXT,
} mpls_input_next_t;
+#define foreach_mpls_lookup_next \
+_(DROP, "error-drop") \
+_(IP4_INPUT, "ip4-input") \
+_(L2_OUTPUT, "l2-output")
+
+// FIXME remove.
+typedef enum {
+#define _(s,n) MPLS_LOOKUP_NEXT_##s,
+ foreach_mpls_lookup_next
+#undef _
+ MPLS_LOOKUP_N_NEXT,
+} mpls_lookup_next_t;
+
+#define foreach_mpls_output_next \
+_(DROP, "error-drop")
+
+typedef enum {
+#define _(s,n) MPLS_OUTPUT_NEXT_##s,
+ foreach_mpls_output_next
+#undef _
+ MPLS_OUTPUT_N_NEXT,
+} mpls_output_next_t;
typedef struct {
u32 lookup_miss;