#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
-#include <vppinfra/bihash_16_8.h>
-#include <vppinfra/bihash_48_8.h>
#include <vnet/tcp/tcp_debug.h>
+typedef struct _transport_stats
+{
+ u64 tx_bytes;
+} transport_stats_t;
+
+typedef struct _spacer
+{
+ u64 bucket;
+ u32 max_burst_size;
+ f32 tokens_per_period;
+ u64 last_update;
+} spacer_t;
+
/*
* Protocol independent transport properties associated to a session
*/
typedef struct _transport_connection
{
- ip46_address_t rmt_ip; /**< Remote IP */
- ip46_address_t lcl_ip; /**< Local IP */
- u16 lcl_port; /**< Local port */
- u16 rmt_port; /**< Remote port */
- u8 transport_proto; /**< Protocol id */
- u8 is_ip4; /**< Flag if IP4 connection */
- u32 vrf; /**< FIB table id */
+ /** Connection ID */
+ union
+ {
+ /*
+ * Network connection ID tuple
+ */
+ struct
+ {
+ ip46_address_t rmt_ip; /**< Remote IP */
+ ip46_address_t lcl_ip; /**< Local IP */
+ u16 rmt_port; /**< Remote port */
+ u16 lcl_port; /**< Local port */
+ u8 is_ip4; /**< Flag if IP4 connection */
+ u8 proto; /**< Protocol id */
+ u32 fib_index; /**< Network namespace */
+ };
+ /*
+ * Opaque connection ID
+ */
+ u8 opaque_conn_id[42];
+ };
u32 s_index; /**< Parent session index */
u32 c_index; /**< Connection index in transport pool */
u32 thread_index; /**< Worker-thread index */
- fib_node_index_t rmt_fei; /**< FIB entry index for rmt */
- dpo_id_t rmt_dpo; /**< Forwarding DPO for rmt */
+ /*fib_node_index_t rmt_fei;
+ dpo_id_t rmt_dpo; */
+
+ u8 flags; /**< Transport specific flags */
+ transport_stats_t stats; /**< Transport connection stats */
+ spacer_t pacer; /**< Simple transport pacer */
#if TRANSPORT_DEBUG
elog_track_t elog_track; /**< Event logging */
#define c_rmt_ip6 connection.rmt_ip.ip6
#define c_lcl_port connection.lcl_port
#define c_rmt_port connection.rmt_port
-#define c_transport_proto connection.transport_proto
-#define c_vrf connection.vrf
-#define c_state connection.state
+#define c_proto connection.proto
+#define c_fib_index connection.fib_index
#define c_s_index connection.s_index
#define c_c_index connection.c_index
#define c_is_ip4 connection.is_ip4
#define c_cc_stat_tstamp connection.cc_stat_tstamp
#define c_rmt_fei connection.rmt_fei
#define c_rmt_dpo connection.rmt_dpo
+#define c_opaque_id connection.opaque_conn_id
+#define c_stats connection.stats
+#define c_pacer connection.pacer
+#define c_flags connection.flags
} transport_connection_t;
+#define TRANSPORT_CONNECTION_F_IS_TX_PACED 1 << 0
+
typedef enum _transport_proto
{
TRANSPORT_PROTO_TCP,
- TRANSPORT_PROTO_UDP
+ TRANSPORT_PROTO_UDP,
+ TRANSPORT_PROTO_SCTP,
+ TRANSPORT_PROTO_NONE,
+ TRANSPORT_PROTO_TLS,
+ TRANSPORT_PROTO_UDPC,
+ TRANSPORT_N_PROTO
} transport_proto_t;
-typedef struct _transport_endpoint
+u8 *format_transport_proto (u8 * s, va_list * args);
+u8 *format_transport_proto_short (u8 * s, va_list * args);
+u8 *format_transport_connection (u8 * s, va_list * args);
+u8 *format_transport_listen_connection (u8 * s, va_list * args);
+u8 *format_transport_half_open_connection (u8 * s, va_list * args);
+
+uword unformat_transport_proto (unformat_input_t * input, va_list * args);
+
+#define foreach_transport_endpoint_fields \
+ _(ip46_address_t, ip) /**< ip address in net order */ \
+ _(u16, port) /**< port in net order */ \
+ _(u8, is_ip4) /**< set if ip4 */ \
+ _(u32, sw_if_index) /**< interface endpoint is associated with */ \
+ _(u32, fib_index) /**< fib table endpoint is associated with */ \
+
+typedef struct transport_endpoint_
{
- ip46_address_t ip; /** ip address */
- u16 port; /** port in net order */
- u8 is_ip4; /** 1 if ip4 */
- u32 vrf; /** fib table the endpoint is associated with */
+#define _(type, name) type name;
+ foreach_transport_endpoint_fields
+#undef _
} transport_endpoint_t;
+#define foreach_transport_endpoint_cfg_fields \
+ foreach_transport_endpoint_fields \
+ _(transport_endpoint_t, peer) \
+
+typedef struct transport_endpoint_pair_
+{
+#define _(type, name) type name;
+ foreach_transport_endpoint_cfg_fields
+#undef _
+} transport_endpoint_cfg_t;
+
+typedef clib_bihash_24_8_t transport_endpoint_table_t;
+
+#define ENDPOINT_INVALID_INDEX ((u32)~0)
+
+always_inline u8
+transport_connection_fib_proto (transport_connection_t * tc)
+{
+ return tc->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
+}
+
+always_inline u8
+transport_endpoint_fib_proto (transport_endpoint_t * tep)
+{
+ return tep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
+}
+
+int transport_alloc_local_port (u8 proto, ip46_address_t * ip);
+int transport_alloc_local_endpoint (u8 proto, transport_endpoint_cfg_t * rmt,
+ ip46_address_t * lcl_addr,
+ u16 * lcl_port);
+void transport_endpoint_cleanup (u8 proto, ip46_address_t * lcl_ip, u16 port);
+u8 transport_protocol_is_cl (transport_proto_t tp);
+void transport_init (void);
+
#endif /* VNET_VNET_URI_TRANSPORT_H_ */
/*