#define SESSION_INVALID_INDEX ((u32)~0)
#define SESSION_INVALID_HANDLE ((u64)~0)
#define SESSION_CTRL_MSG_MAX_SIZE 86
+#define SESSION_CTRL_MSG_TX_MAX_SIZE 160
#define SESSION_NODE_FRAME_SIZE 128
+typedef u8 session_type_t;
+typedef u64 session_handle_t;
+
+typedef union session_handle_tu_
+{
+ session_handle_t handle;
+ struct
+ {
+ u32 session_index;
+ u32 thread_index;
+ };
+} __attribute__ ((__transparent_union__)) session_handle_tu_t;
+
#define foreach_session_endpoint_fields \
foreach_transport_endpoint_cfg_fields \
_(u8, transport_proto) \
#undef _
} session_endpoint_t;
+#define foreach_session_endpoint_cfg_flags _ (PROXY_LISTEN, "proxy listener")
+
+typedef enum session_endpoint_cfg_flags_bits_
+{
+#define _(sym, str) SESSION_ENDPT_CFG_F_BIT_##sym,
+ foreach_session_endpoint_cfg_flags
+#undef _
+} __clib_packed session_endpoint_cfg_flags_bits_t;
+
+typedef enum session_endpoint_cfg_flags_
+{
+#define _(sym, str) \
+ SESSION_ENDPT_CFG_F_##sym = 1 << SESSION_ENDPT_CFG_F_BIT_##sym,
+ foreach_session_endpoint_cfg_flags
+#undef _
+} __clib_packed session_endpoint_cfg_flags_t;
+
typedef struct _session_endpoint_cfg
{
#define _(type, name) type name;
u32 ns_index;
u8 original_tp;
u64 parent_handle;
- u8 flags;
+ session_endpoint_cfg_flags_t flags;
transport_endpt_ext_cfg_t *ext_cfg;
} session_endpoint_cfg_t;
return ip_is_zero (&sep->ip, sep->is_ip4);
}
-typedef u8 session_type_t;
-typedef u64 session_handle_t;
-
typedef enum
{
SESSION_CLEANUP_TRANSPORT,
SESSION_N_STATES,
} session_state_t;
-#define foreach_session_flag \
- _(RX_EVT, "rx-event") \
- _(PROXY, "proxy") \
- _(CUSTOM_TX, "custom-tx") \
- _(IS_MIGRATING, "migrating") \
- _(UNIDIRECTIONAL, "unidirectional") \
- _(CUSTOM_FIFO_TUNING, "custom-fifo-tuning") \
+#define foreach_session_flag \
+ _ (RX_EVT, "rx-event") \
+ _ (PROXY, "proxy") \
+ _ (CUSTOM_TX, "custom-tx") \
+ _ (IS_MIGRATING, "migrating") \
+ _ (UNIDIRECTIONAL, "unidirectional") \
+ _ (CUSTOM_FIFO_TUNING, "custom-fifo-tuning") \
+ _ (HALF_OPEN, "half-open") \
+ _ (APP_CLOSED, "app-closed") \
+ _ (IS_CLESS, "connectionless")
typedef enum session_flags_bits_
{
svm_fifo_t *rx_fifo;
svm_fifo_t *tx_fifo;
+ union
+ {
+ session_handle_t handle;
+ struct
+ {
+ /** Index in thread pool where session was allocated */
+ u32 session_index;
+
+ /** Index of the thread that allocated the session */
+ u32 thread_index;
+ };
+ };
+
/** Type built from transport and network protocol types */
session_type_t session_type;
/** State in session layer state machine. See @ref session_state_t */
volatile u8 session_state;
- /** Index in thread pool where session was allocated */
- u32 session_index;
-
/** Index of the app worker that owns the session */
u32 app_wrk_index;
- /** Index of the thread that allocated the session */
- u8 thread_index;
-
/** Session flags. See @ref session_flags_t */
u32 flags;
/** Index of the transport connection associated to the session */
u32 connection_index;
- /** Index of application that owns the listener. Set only if a listener */
- u32 app_index;
+ /** App listener index in app's listener pool if a listener */
+ u32 al_index;
union
{
/** Parent listener session index if the result of an accept */
session_handle_t listener_handle;
- /** App listener index in app's listener pool if a listener */
- u32 al_index;
+ /** Index in app worker's half-open table if a half-open */
+ u32 ho_index;
};
/** Opaque, for general use */
always_inline session_handle_t
session_handle (session_t * s)
{
- return ((u64) s->thread_index << 32) | (u64) s->session_index;
+ return s->handle;
}
always_inline u32
-session_index_from_handle (session_handle_t handle)
+session_index_from_handle (session_handle_tu_t handle)
{
- return handle & 0xFFFFFFFF;
+ return handle.session_index;
}
always_inline u32
-session_thread_from_handle (session_handle_t handle)
+session_thread_from_handle (session_handle_tu_t handle)
{
- return handle >> 32;
+ return handle.thread_index;
}
always_inline void
-session_parse_handle (session_handle_t handle, u32 * index,
- u32 * thread_index)
+session_parse_handle (session_handle_tu_t handle, u32 *index,
+ u32 *thread_index)
{
- *index = session_index_from_handle (handle);
- *thread_index = session_thread_from_handle (handle);
+ *index = handle.session_index;
+ *thread_index = handle.thread_index;
}
static inline session_handle_t
session_make_handle (u32 session_index, u32 data)
{
- return (((u64) data << 32) | (u64) session_index);
-}
-
-always_inline u32
-session_handle_index (session_handle_t ho_handle)
-{
- return (ho_handle & 0xffffffff);
-}
-
-always_inline u32
-session_handle_data (session_handle_t ho_handle)
-{
- return (ho_handle >> 32);
+ return ((session_handle_tu_t){ .session_index = session_index,
+ .thread_index = data })
+ .handle;
}
typedef enum
SESSION_IO_EVT_TX,
SESSION_IO_EVT_TX_FLUSH,
SESSION_IO_EVT_BUILTIN_RX,
- SESSION_IO_EVT_BUILTIN_TX,
+ SESSION_IO_EVT_TX_MAIN,
SESSION_CTRL_EVT_RPC,
+ SESSION_CTRL_EVT_HALF_CLOSE,
SESSION_CTRL_EVT_CLOSE,
SESSION_CTRL_EVT_RESET,
SESSION_CTRL_EVT_BOUND,
SESSION_CTRL_EVT_REQ_WORKER_UPDATE,
SESSION_CTRL_EVT_WORKER_UPDATE,
SESSION_CTRL_EVT_WORKER_UPDATE_REPLY,
+ SESSION_CTRL_EVT_SHUTDOWN,
SESSION_CTRL_EVT_DISCONNECT,
SESSION_CTRL_EVT_CONNECT,
SESSION_CTRL_EVT_CONNECT_URI,
SESSION_CTRL_EVT_APP_WRK_RPC,
SESSION_CTRL_EVT_TRANSPORT_ATTR,
SESSION_CTRL_EVT_TRANSPORT_ATTR_REPLY,
+ SESSION_CTRL_EVT_TRANSPORT_CLOSED,
+ SESSION_CTRL_EVT_HALF_CLEANUP,
} session_evt_type_t;
#define foreach_session_ctrl_evt \
_ (CONNECT, connect) \
_ (CONNECT_URI, connect_uri) \
_ (CONNECTED, connected) \
+ _ (SHUTDOWN, shutdown) \
_ (DISCONNECT, disconnect) \
_ (DISCONNECTED, disconnected) \
_ (DISCONNECTED_REPLY, disconnected_reply) \
#define FIFO_EVENT_APP_TX SESSION_IO_EVT_TX
#define FIFO_EVENT_DISCONNECT SESSION_CTRL_EVT_CLOSE
#define FIFO_EVENT_BUILTIN_RX SESSION_IO_EVT_BUILTIN_RX
-#define FIFO_EVENT_BUILTIN_TX SESSION_IO_EVT_BUILTIN_TX
typedef enum
{
session_handle_t session_handle;
session_rpc_args_t rpc_args;
u32 ctrl_data_index;
+ u64 as_u64[2];
struct
{
u8 data[0];
u16 rmt_port;
u16 lcl_port;
u8 is_ip4;
+ u16 gso_size;
} __clib_packed session_dgram_hdr_t;
#define SESSION_CONN_ID_LEN 37
-#define SESSION_CONN_HDR_LEN 45
-
-STATIC_ASSERT (sizeof (session_dgram_hdr_t) == (SESSION_CONN_ID_LEN + 8),
+#define SESSION_CONN_HDR_LEN 47
+STATIC_ASSERT (sizeof (session_dgram_hdr_t) == (SESSION_CONN_ID_LEN + 10),
"session conn id wrong length");
#define foreach_session_error \
_ (NOLISTEN, "not listening") \
_ (NOSESSION, "session does not exist") \
_ (NOAPP, "app not attached") \
+ _ (APP_ATTACHED, "app already attached") \
_ (PORTINUSE, "lcl port in use") \
_ (IPINUSE, "ip in use") \
_ (ALREADY_LISTENING, "ip port pair already listened on") \
+ _ (ADDR_NOT_IN_USE, "address not in use") \
+ _ (INVALID, "invalid value") \
_ (INVALID_RMT_IP, "invalid remote ip") \
_ (INVALID_APPWRK, "invalid app worker") \
_ (INVALID_NS, "invalid namespace") \
_ (EVENTFD_ALLOC, "failed to alloc eventfd") \
_ (NOEXTCFG, "no extended transport config") \
_ (NOCRYPTOENG, "no crypto engine") \
- _ (NOCRYPTOCKP, "cert key pair not found ")
+ _ (NOCRYPTOCKP, "cert key pair not found ") \
+ _ (LOCAL_CONNECT, "could not connect with local scope") \
+ _ (WRONG_NS_SECRET, "wrong ns secret") \
+ _ (SYSCALL, "system call error") \
+ _ (TRANSPORT_NO_REG, "transport was not registered")
typedef enum session_error_p_
{