#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>
+
/*
* 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; /**< Protocol id (also session type) */
+ u8 proto; /**< Protocol id */
+ u8 is_ip4; /**< Flag if IP4 connection */
+ u32 fib_index; /**< Network namespace */
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 */
#define c_lcl_port connection.lcl_port
#define c_rmt_port connection.rmt_port
#define c_proto connection.proto
-#define c_state connection.state
+#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_rmt_dpo connection.rmt_dpo
} transport_connection_t;
-/*
- * Transport protocol virtual function table
- */
-typedef struct _transport_proto_vft
-{
- /*
- * Setup
- */
- 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);
-
- /*
- * Transmission
- */
- 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 (*tx_fifo_offset) (transport_connection_t * tc);
-
- /*
- * Connection retrieval
- */
- transport_connection_t *(*get_connection) (u32 conn_idx, u32 thread_idx);
- transport_connection_t *(*get_listener) (u32 conn_index);
- transport_connection_t *(*get_half_open) (u32 conn_index);
-
- /*
- * Format
- */
- 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;
- 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;
-
-always_inline void
-make_v4_ss_kv (session_kv4_t * kv, ip4_address_t * lcl, ip4_address_t * rmt,
- u16 lcl_port, u16 rmt_port, u8 proto)
+typedef enum _transport_proto
{
- 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;
-
- kv->value = ~0ULL;
-}
+ TRANSPORT_PROTO_TCP,
+ TRANSPORT_PROTO_UDP,
+ TRANSPORT_PROTO_SCTP,
+ TRANSPORT_PROTO_NONE,
+ TRANSPORT_N_PROTO
+} transport_proto_t;
+
+u8 *format_transport_proto (u8 * s, va_list * args);
+u8 *format_transport_proto_short (u8 * s, va_list * args);
+uword unformat_transport_proto (unformat_input_t * input, va_list * args);
+
+#define foreach_transport_connection_fields \
+ _(u32, sw_if_index) /**< interface endpoint is associated with */ \
+ _(ip46_address_t, ip) /**< ip address */ \
+ _(u32, fib_index) /**< fib table endpoint is associated with */ \
+ _(u8, is_ip4) /**< 1 if ip4 */ \
+ _(u16, port) /**< port in net order */ \
-always_inline void
-make_v4_listener_kv (session_kv4_t * kv, ip4_address_t * lcl, u16 lcl_port,
- u8 proto)
+typedef struct _transport_endpoint
{
- v4_connection_key_t *key = (v4_connection_key_t *) kv->key;
+#define _(type, name) type name;
+ foreach_transport_connection_fields
+#undef _
+} transport_endpoint_t;
- key->src.as_u32 = lcl->as_u32;
- key->dst.as_u32 = 0;
- key->src_port = lcl_port;
- key->dst_port = 0;
- key->proto = proto;
+typedef clib_bihash_24_8_t transport_endpoint_table_t;
- kv->value = ~0ULL;
-}
+#define ENDPOINT_INVALID_INDEX ((u32)~0)
-always_inline void
-make_v4_ss_kv_from_tc (session_kv4_t * kv, transport_connection_t * t)
+always_inline u8
+transport_connection_fib_proto (transport_connection_t * tc)
{
- return make_v4_ss_kv (kv, &t->lcl_ip.ip4, &t->rmt_ip.ip4, t->lcl_port,
- t->rmt_port, t->proto);
+ return tc->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
}
-always_inline void
-make_v6_ss_kv (session_kv6_t * kv, ip6_address_t * lcl, ip6_address_t * rmt,
- u16 lcl_port, u16 rmt_port, u8 proto)
+always_inline u8
+transport_endpoint_fib_proto (transport_endpoint_t * tep)
{
- 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;
+ return tep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
}
-always_inline void
-make_v6_listener_kv (session_kv6_t * kv, ip6_address_t * lcl, u16 lcl_port,
- u8 proto)
+always_inline u8
+transport_is_stream (u8 proto)
{
- 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;
+ return ((proto == TRANSPORT_PROTO_TCP) || (proto == TRANSPORT_PROTO_SCTP));
}
-always_inline void
-make_v6_ss_kv_from_tc (session_kv6_t * kv, transport_connection_t * t)
+always_inline u8
+transport_is_dgram (u8 proto)
{
- make_v6_ss_kv (kv, &t->lcl_ip.ip6, &t->rmt_ip.ip6, t->lcl_port,
- t->rmt_port, t->proto);
+ return (proto == TRANSPORT_PROTO_UDP);
}
-typedef struct _transport_endpoint
-{
- 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;
-
-#define TRANSPORT_ENDPOINT_INVALID_INDEX ((u32)~0)
-
-u32
-transport_endpoint_lookup (transport_endpoint_table_t * ht,
- ip46_address_t * ip, u16 port);
-void transport_endpoint_table_add (transport_endpoint_table_t * ht,
- transport_endpoint_t * te, u32 value);
-void transport_endpoint_table_del (transport_endpoint_table_t * ht,
- transport_endpoint_t * te);
+int transport_alloc_local_port (u8 proto, ip46_address_t * ip);
+int transport_alloc_local_endpoint (u8 proto, transport_endpoint_t * rmt,
+ ip46_address_t * lcl_addr,
+ u16 * lcl_port);
+void transport_endpoint_cleanup (u8 proto, ip46_address_t * lcl_ip, u16 port);
+void transport_init (void);
#endif /* VNET_VNET_URI_TRANSPORT_H_ */
Code Review / vpp.git / blobdiff