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Diffstat (limited to 'src/vnet/tcp/tcp.c')
-rw-r--r--src/vnet/tcp/tcp.c181
1 files changed, 112 insertions, 69 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index d2df5c3eae0..0d2e6d0e91a 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -21,7 +21,7 @@
tcp_main_t tcp_main;
static u32
-tcp_connection_bind (vlib_main_t * vm, u32 session_index, ip46_address_t * ip,
+tcp_connection_bind (u32 session_index, ip46_address_t * ip,
u16 port_host_byte_order, u8 is_ip4)
{
tcp_main_t *tm = &tcp_main;
@@ -43,42 +43,41 @@ tcp_connection_bind (vlib_main_t * vm, u32 session_index, ip46_address_t * ip,
listener->state = TCP_STATE_LISTEN;
listener->c_is_ip4 = 1;
+ tcp_connection_timers_init (listener);
+
+ TCP_EVT_DBG (TCP_EVT_BIND, listener);
+
return listener->c_c_index;
}
u32
-tcp_session_bind_ip4 (vlib_main_t * vm, u32 session_index,
- ip46_address_t * ip, u16 port_host_byte_order)
+tcp_session_bind_ip4 (u32 session_index, ip46_address_t * ip,
+ u16 port_host_byte_order)
{
- return tcp_connection_bind (vm, session_index, ip, port_host_byte_order, 1);
+ return tcp_connection_bind (session_index, ip, port_host_byte_order, 1);
}
u32
-tcp_session_bind_ip6 (vlib_main_t * vm, u32 session_index,
- ip46_address_t * ip, u16 port_host_byte_order)
+tcp_session_bind_ip6 (u32 session_index, ip46_address_t * ip,
+ u16 port_host_byte_order)
{
- return tcp_connection_bind (vm, session_index, ip, port_host_byte_order, 0);
+ return tcp_connection_bind (session_index, ip, port_host_byte_order, 0);
}
static void
-tcp_session_unbind (u32 listener_index)
+tcp_connection_unbind (u32 listener_index)
{
tcp_main_t *tm = vnet_get_tcp_main ();
+ TCP_EVT_DBG (TCP_EVT_UNBIND,
+ pool_elt_at_index (tm->listener_pool, listener_index));
pool_put_index (tm->listener_pool, listener_index);
}
u32
-tcp_session_unbind_ip4 (vlib_main_t * vm, u32 listener_index)
-{
- tcp_session_unbind (listener_index);
- return 0;
-}
-
-u32
-tcp_session_unbind_ip6 (vlib_main_t * vm, u32 listener_index)
+tcp_session_unbind (u32 listener_index)
{
- tcp_session_unbind (listener_index);
+ tcp_connection_unbind (listener_index);
return 0;
}
@@ -135,6 +134,7 @@ tcp_connection_cleanup (tcp_connection_t * tc)
void
tcp_connection_del (tcp_connection_t * tc)
{
+ TCP_EVT_DBG (TCP_EVT_DELETE, tc);
stream_session_delete_notify (&tc->connection);
tcp_connection_cleanup (tc);
}
@@ -169,6 +169,8 @@ tcp_connection_reset (tcp_connection_t * tc)
void
tcp_connection_close (tcp_connection_t * tc)
{
+ TCP_EVT_DBG (TCP_EVT_CLOSE, tc);
+
/* Send FIN if needed */
if (tc->state == TCP_STATE_ESTABLISHED || tc->state == TCP_STATE_SYN_RCVD
|| tc->state == TCP_STATE_CLOSE_WAIT)
@@ -403,6 +405,8 @@ tcp_connection_open (ip46_address_t * rmt_addr, u16 rmt_port, u8 is_ip4)
tc->state = TCP_STATE_SYN_SENT;
+ TCP_EVT_DBG (TCP_EVT_OPEN, tc);
+
return tc->c_c_index;
}
@@ -418,82 +422,119 @@ tcp_session_open_ip6 (ip46_address_t * addr, u16 port)
return tcp_connection_open (addr, port, 0);
}
+const char *tcp_dbg_evt_str[] = {
+#define _(sym, str) str,
+ foreach_tcp_dbg_evt
+#undef _
+};
+
+const char *tcp_fsm_states[] = {
+#define _(sym, str) str,
+ foreach_tcp_fsm_state
+#undef _
+};
+
u8 *
-format_tcp_session_ip4 (u8 * s, va_list * args)
+format_tcp_state (u8 * s, va_list * args)
{
- u32 tci = va_arg (*args, u32);
- u32 thread_index = va_arg (*args, u32);
- tcp_connection_t *tc;
+ tcp_state_t *state = va_arg (*args, tcp_state_t *);
- tc = tcp_connection_get (tci, thread_index);
+ if (*state < TCP_N_STATES)
+ s = format (s, "%s", tcp_fsm_states[*state]);
+ else
+ s = format (s, "UNKNOWN");
+
+ return s;
+}
+
+const char *tcp_conn_timers[] = {
+#define _(sym, str) str,
+ foreach_tcp_timer
+#undef _
+};
+
+u8 *
+format_tcp_timers (u8 * s, va_list * args)
+{
+ tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
+ int i, last = 0;
- s = format (s, "[%s] %U:%d->%U:%d", "tcp", format_ip4_address,
- &tc->c_lcl_ip4, clib_net_to_host_u16 (tc->c_lcl_port),
- format_ip4_address, &tc->c_rmt_ip4,
- clib_net_to_host_u16 (tc->c_rmt_port));
+ for (i = 0; i < TCP_N_TIMERS; i++)
+ if (tc->timers[i] != TCP_TIMER_HANDLE_INVALID)
+ last = i;
+
+ s = format (s, "[");
+ for (i = 0; i < last; i++)
+ {
+ if (tc->timers[i] != TCP_TIMER_HANDLE_INVALID)
+ s = format (s, "%s,", tcp_conn_timers[i]);
+ }
+
+ if (last > 0)
+ s = format (s, "%s]", tcp_conn_timers[i]);
+ else
+ s = format (s, "]");
return s;
}
u8 *
-format_tcp_session_ip6 (u8 * s, va_list * args)
+format_tcp_connection (u8 * s, va_list * args)
{
- u32 tci = va_arg (*args, u32);
- u32 thread_index = va_arg (*args, u32);
- tcp_connection_t *tc = tcp_connection_get (tci, thread_index);
- s = format (s, "[%s] %U:%d->%U:%d", "tcp", format_ip6_address,
- &tc->c_lcl_ip6, clib_net_to_host_u16 (tc->c_lcl_port),
- format_ip6_address, &tc->c_rmt_ip6,
- clib_net_to_host_u16 (tc->c_rmt_port));
+ tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
+
+ if (tc->c_is_ip4)
+ {
+ s = format (s, "[#%d][%s] %U:%d->%U:%d", tc->c_thread_index, "T",
+ format_ip4_address, &tc->c_lcl_ip4,
+ clib_net_to_host_u16 (tc->c_lcl_port), format_ip4_address,
+ &tc->c_rmt_ip4, clib_net_to_host_u16 (tc->c_rmt_port));
+ }
+ else
+ {
+ s = format (s, "[#%d][%s] %U:%d->%U:%d", tc->c_thread_index, "T",
+ format_ip6_address, &tc->c_lcl_ip6,
+ clib_net_to_host_u16 (tc->c_lcl_port), format_ip6_address,
+ &tc->c_rmt_ip6, clib_net_to_host_u16 (tc->c_rmt_port));
+ }
+
return s;
}
u8 *
-format_tcp_listener_session_ip4 (u8 * s, va_list * args)
+format_tcp_connection_verbose (u8 * s, va_list * args)
{
- u32 tci = va_arg (*args, u32);
- tcp_connection_t *tc = tcp_listener_get (tci);
- s = format (s, "[%s] %U:%d->%U:%d", "tcp", format_ip4_address,
- &tc->c_lcl_ip4, clib_net_to_host_u16 (tc->c_lcl_port),
- format_ip4_address, &tc->c_rmt_ip4,
- clib_net_to_host_u16 (tc->c_rmt_port));
+ tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
+ s = format (s, "%U %U %U", format_tcp_connection, tc, format_tcp_state,
+ &tc->state, format_tcp_timers, tc);
return s;
}
u8 *
-format_tcp_listener_session_ip6 (u8 * s, va_list * args)
+format_tcp_session (u8 * s, va_list * args)
{
u32 tci = va_arg (*args, u32);
- tcp_connection_t *tc = tcp_listener_get (tci);
- s = format (s, "[%s] %U:%d->%U:%d", "tcp", format_ip6_address,
- &tc->c_lcl_ip6, clib_net_to_host_u16 (tc->c_lcl_port),
- format_ip6_address, &tc->c_rmt_ip6,
- clib_net_to_host_u16 (tc->c_rmt_port));
- return s;
+ u32 thread_index = va_arg (*args, u32);
+ tcp_connection_t *tc;
+
+ tc = tcp_connection_get (tci, thread_index);
+ return format (s, "%U", format_tcp_connection, tc);
}
u8 *
-format_tcp_half_open_session_ip4 (u8 * s, va_list * args)
+format_tcp_listener_session (u8 * s, va_list * args)
{
u32 tci = va_arg (*args, u32);
- tcp_connection_t *tc = tcp_half_open_connection_get (tci);
- s = format (s, "[%s] %U:%d->%U:%d", "tcp", format_ip4_address,
- &tc->c_lcl_ip4, clib_net_to_host_u16 (tc->c_lcl_port),
- format_ip4_address, &tc->c_rmt_ip4,
- clib_net_to_host_u16 (tc->c_rmt_port));
- return s;
+ tcp_connection_t *tc = tcp_listener_get (tci);
+ return format (s, "%U", format_tcp_connection, tc);
}
u8 *
-format_tcp_half_open_session_ip6 (u8 * s, va_list * args)
+format_tcp_half_open_session (u8 * s, va_list * args)
{
u32 tci = va_arg (*args, u32);
tcp_connection_t *tc = tcp_half_open_connection_get (tci);
- s = format (s, "[%s] %U:%d->%U:%d", "tcp", format_ip6_address,
- &tc->c_lcl_ip6, clib_net_to_host_u16 (tc->c_lcl_port),
- format_ip6_address, &tc->c_rmt_ip6,
- clib_net_to_host_u16 (tc->c_rmt_port));
- return s;
+ return format (s, "%U", format_tcp_connection, tc);
}
transport_connection_t *
@@ -534,7 +575,7 @@ tcp_session_tx_fifo_offset (transport_connection_t * trans_conn)
/* *INDENT-OFF* */
const static transport_proto_vft_t tcp4_proto = {
.bind = tcp_session_bind_ip4,
- .unbind = tcp_session_unbind_ip4,
+ .unbind = tcp_session_unbind,
.push_header = tcp_push_header,
.get_connection = tcp_session_get_transport,
.get_listener = tcp_session_get_listener,
@@ -545,14 +586,14 @@ const static transport_proto_vft_t tcp4_proto = {
.send_mss = tcp_session_send_mss,
.send_space = tcp_session_send_space,
.tx_fifo_offset = tcp_session_tx_fifo_offset,
- .format_connection = format_tcp_session_ip4,
- .format_listener = format_tcp_listener_session_ip4,
- .format_half_open = format_tcp_half_open_session_ip4
+ .format_connection = format_tcp_session,
+ .format_listener = format_tcp_listener_session,
+ .format_half_open = format_tcp_half_open_session,
};
const static transport_proto_vft_t tcp6_proto = {
.bind = tcp_session_bind_ip6,
- .unbind = tcp_session_unbind_ip6,
+ .unbind = tcp_session_unbind,
.push_header = tcp_push_header,
.get_connection = tcp_session_get_transport,
.get_listener = tcp_session_get_listener,
@@ -563,9 +604,9 @@ const static transport_proto_vft_t tcp6_proto = {
.send_mss = tcp_session_send_mss,
.send_space = tcp_session_send_space,
.tx_fifo_offset = tcp_session_tx_fifo_offset,
- .format_connection = format_tcp_session_ip6,
- .format_listener = format_tcp_listener_session_ip6,
- .format_half_open = format_tcp_half_open_session_ip6
+ .format_connection = format_tcp_session,
+ .format_listener = format_tcp_listener_session,
+ .format_half_open = format_tcp_half_open_session,
};
/* *INDENT-ON* */
@@ -654,6 +695,8 @@ tcp_expired_timers_dispatch (u32 * expired_timers)
connection_index = expired_timers[i] & 0x0FFFFFFF;
timer_id = expired_timers[i] >> 28;
+ TCP_EVT_DBG (TCP_EVT_TIMER_POP, connection_index, timer_id);
+
/* Handle expiration */
(*timer_expiration_handlers[timer_id]) (connection_index);
}