#include <vnet/ip/ip.h>
#include <vppinfra/bihash_16_8.h>
#include <vppinfra/bihash_48_8.h>
-
+#include <vnet/tcp/tcp_debug.h>
/*
* Protocol independent transport properties associated to a session
*/
ip46_address_t lcl_ip; /**< Local IP */
u16 lcl_port; /**< Local port */
u16 rmt_port; /**< Remote port */
- u8 proto; /**< Transport protocol id */
+ u8 proto; /**< Protocol id (also session type) */
u32 s_index; /**< Parent session index */
u32 c_index; /**< Connection index in transport pool */
u8 is_ip4; /**< Flag if IP4 connection */
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 */
+
+#if TRANSPORT_DEBUG
+ elog_track_t elog_track; /**< Event logging */
+ u32 cc_stat_tstamp; /**< CC stats timestamp */
+#endif
+
/** Macros for 'derived classes' where base is named "connection" */
#define c_lcl_ip connection.lcl_ip
#define c_rmt_ip connection.rmt_ip
#define c_c_index connection.c_index
#define c_is_ip4 connection.is_ip4
#define c_thread_index connection.thread_index
+#define c_elog_track connection.elog_track
+#define c_cc_stat_tstamp connection.cc_stat_tstamp
+#define c_rmt_fei connection.rmt_fei
+#define c_rmt_dpo connection.rmt_dpo
} transport_connection_t;
/*
/*
* Setup
*/
- u32 (*bind) (vlib_main_t *, u32, ip46_address_t *, u16);
- u32 (*unbind) (vlib_main_t *, u32);
+ u32 (*bind) (u32, ip46_address_t *, u16);
+ u32 (*unbind) (u32);
int (*open) (ip46_address_t * addr, u16 port_host_byte_order);
void (*close) (u32 conn_index, u32 thread_index);
void (*cleanup) (u32 conn_index, u32 thread_index);
u32 (*push_header) (transport_connection_t * tconn, vlib_buffer_t * b);
u16 (*send_mss) (transport_connection_t * tc);
u32 (*send_space) (transport_connection_t * tc);
- u32 (*rx_fifo_offset) (transport_connection_t * tc);
+ u32 (*tx_fifo_offset) (transport_connection_t * tc);
/*
* Connection retrieval
u8 *(*format_connection) (u8 * s, va_list * args);
u8 *(*format_listener) (u8 * s, va_list * args);
u8 *(*format_half_open) (u8 * s, va_list * args);
-
} transport_proto_vft_t;
+/* *INDENT-OFF* */
/* 16 octets */
-typedef CLIB_PACKED (struct
- {
- union
- {
- struct
- {
- ip4_address_t src; ip4_address_t dst;
- u16 src_port;
- u16 dst_port;
- /* align by making this 4 octets even though its a 1-bit field
- * NOTE: avoid key overlap with other transports that use 5 tuples for
- * session identification.
- */
- u32 proto;
- };
- u64 as_u64[2];
- };
- }) v4_connection_key_t;
-
-typedef CLIB_PACKED (struct
- {
- union
- {
- struct
- {
- /* 48 octets */
- ip6_address_t src; ip6_address_t dst;
- u16 src_port;
- u16 dst_port; u32 proto; u8 unused_for_now[8];
- }; u64 as_u64[6];
- };
- }) v6_connection_key_t;
+typedef CLIB_PACKED (struct {
+ union
+ {
+ struct
+ {
+ ip4_address_t src;
+ ip4_address_t dst;
+ u16 src_port;
+ u16 dst_port;
+ /* align by making this 4 octets even though its a 1-bit field
+ * NOTE: avoid key overlap with other transports that use 5 tuples for
+ * session identification.
+ */
+ u32 proto;
+ };
+ u64 as_u64[2];
+ };
+}) v4_connection_key_t;
+
+typedef CLIB_PACKED (struct {
+ union
+ {
+ struct
+ {
+ /* 48 octets */
+ ip6_address_t src;
+ ip6_address_t dst;
+ u16 src_port;
+ u16 dst_port;
+ u32 proto;
+ u64 unused;
+ };
+ u64 as_u64[6];
+ };
+}) v6_connection_key_t;
+/* *INDENT-ON* */
typedef clib_bihash_kv_16_8_t session_kv4_t;
typedef clib_bihash_kv_48_8_t session_kv6_t;
make_v4_ss_kv (session_kv4_t * kv, ip4_address_t * lcl, ip4_address_t * rmt,
u16 lcl_port, u16 rmt_port, u8 proto)
{
- v4_connection_key_t key;
- memset (&key, 0, sizeof (v4_connection_key_t));
+ v4_connection_key_t *key = (v4_connection_key_t *) kv->key;
- key.src.as_u32 = lcl->as_u32;
- key.dst.as_u32 = rmt->as_u32;
- key.src_port = lcl_port;
- key.dst_port = rmt_port;
- key.proto = proto;
+ key->src.as_u32 = lcl->as_u32;
+ key->dst.as_u32 = rmt->as_u32;
+ key->src_port = lcl_port;
+ key->dst_port = rmt_port;
+ key->proto = proto;
- kv->key[0] = key.as_u64[0];
- kv->key[1] = key.as_u64[1];
kv->value = ~0ULL;
}
make_v4_listener_kv (session_kv4_t * kv, ip4_address_t * lcl, u16 lcl_port,
u8 proto)
{
- v4_connection_key_t key;
- memset (&key, 0, sizeof (v4_connection_key_t));
+ v4_connection_key_t *key = (v4_connection_key_t *) kv->key;
- key.src.as_u32 = lcl->as_u32;
- key.dst.as_u32 = 0;
- key.src_port = lcl_port;
- key.dst_port = 0;
- key.proto = proto;
+ key->src.as_u32 = lcl->as_u32;
+ key->dst.as_u32 = 0;
+ key->src_port = lcl_port;
+ key->dst_port = 0;
+ key->proto = proto;
- kv->key[0] = key.as_u64[0];
- kv->key[1] = key.as_u64[1];
kv->value = ~0ULL;
}
make_v6_ss_kv (session_kv6_t * kv, ip6_address_t * lcl, ip6_address_t * rmt,
u16 lcl_port, u16 rmt_port, u8 proto)
{
- v6_connection_key_t key;
- memset (&key, 0, sizeof (v6_connection_key_t));
-
- key.src.as_u64[0] = lcl->as_u64[0];
- key.src.as_u64[1] = lcl->as_u64[1];
- key.dst.as_u64[0] = rmt->as_u64[0];
- key.dst.as_u64[1] = rmt->as_u64[1];
- key.src_port = lcl_port;
- key.dst_port = rmt_port;
- key.proto = proto;
-
- kv->key[0] = key.as_u64[0];
- kv->key[1] = key.as_u64[1];
+ v6_connection_key_t *key = (v6_connection_key_t *) kv->key;
+
+ key->src.as_u64[0] = lcl->as_u64[0];
+ key->src.as_u64[1] = lcl->as_u64[1];
+ key->dst.as_u64[0] = rmt->as_u64[0];
+ key->dst.as_u64[1] = rmt->as_u64[1];
+ key->src_port = lcl_port;
+ key->dst_port = rmt_port;
+ key->proto = proto;
+ key->unused = 0;
+
kv->value = ~0ULL;
}
make_v6_listener_kv (session_kv6_t * kv, ip6_address_t * lcl, u16 lcl_port,
u8 proto)
{
- v6_connection_key_t key;
- memset (&key, 0, sizeof (v6_connection_key_t));
-
- key.src.as_u64[0] = lcl->as_u64[0];
- key.src.as_u64[1] = lcl->as_u64[1];
- key.dst.as_u64[0] = 0;
- key.dst.as_u64[1] = 0;
- key.src_port = lcl_port;
- key.dst_port = 0;
- key.proto = proto;
-
- kv->key[0] = key.as_u64[0];
- kv->key[1] = key.as_u64[1];
+ v6_connection_key_t *key = (v6_connection_key_t *) kv->key;
+
+ key->src.as_u64[0] = lcl->as_u64[0];
+ key->src.as_u64[1] = lcl->as_u64[1];
+ key->dst.as_u64[0] = 0;
+ key->dst.as_u64[1] = 0;
+ key->src_port = lcl_port;
+ key->dst_port = 0;
+ key->proto = proto;
+ key->unused = 0;
+
kv->value = ~0ULL;
}
t->rmt_port, t->proto);
}
+typedef enum _transport_proto
+{
+ TRANSPORT_PROTO_TCP,
+ TRANSPORT_PROTO_UDP
+} transport_proto_t;
+
typedef struct _transport_endpoint
{
- ip46_address_t ip;
- u16 port;
- u8 is_ip4;
- u32 vrf;
+ ip46_address_t ip; /** ip address */
+ u16 port; /** port in host order */
+ u8 is_ip4; /** 1 if ip4 */
+ u32 vrf; /** fib table the endpoint is associated with */
} transport_endpoint_t;
typedef clib_bihash_24_8_t transport_endpoint_table_t;
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