#include <vlib/vlib.h>
#define TCP_DEBUG (1)
-#define TCP_DEBUG_SM (2)
+#define TCP_DEBUG_SM (1)
#define TCP_DEBUG_CC (0)
-#define TCP_DEBUG_CC_STAT (0)
+#define TCP_DEBUG_CC_STAT (1)
+#define TCP_DEBUG_BUFFER_ALLOCATION (0)
#define foreach_tcp_dbg_evt \
_(INIT, "") \
* Infra and evt track setup
*/
-#define TCP_DBG(_tc, _evt, _args...) \
-{ \
- u8 *_tmp = 0; \
- _tmp = format(_tmp, "%U", format_tcp_connection_verbose, _tc); \
- clib_warning("%s", _tmp); \
- vec_free(_tmp); \
-}
+#define TCP_DBG(_fmt, _args...) clib_warning (_fmt, ##_args)
#define DECLARE_ETD(_tc, _e, _size) \
struct \
ed->data[0] = _tc->c_c_index; \
}
+#define TCP_EVT_SYN_RCVD_HANDLER(_tc,_init, ...) \
+{ \
+ if (_init) \
+ TCP_EVT_INIT_HANDLER(_tc, 0); \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "syn-rx: irs %u", \
+ .format_args = "i4", \
+ }; \
+ DECLARE_ETD(_tc, _e, 1); \
+ ed->data[0] = _tc->irs; \
+ TCP_EVT_STATE_CHANGE_HANDLER(_tc); \
+}
+
#define TCP_EVT_UNBIND_HANDLER(_tc, ...) \
{ \
TCP_EVT_DEALLOC_HANDLER(_tc); \
#define TCP_EVT_DBG(_evt, _args...) CC(_evt, _HANDLER)(_args)
#else
#define TCP_EVT_DBG(_evt, _args...)
+#define TCP_DBG(_fmt, _args...)
#endif
/*
ed->data[0] = _tc->state; \
}
-#define TCP_EVT_SYN_RCVD_HANDLER(_tc, ...) \
-{ \
- TCP_EVT_INIT_HANDLER(_tc, 0); \
- ELOG_TYPE_DECLARE (_e) = \
- { \
- .format = "syn-rx: irs %u", \
- .format_args = "i4", \
- }; \
- DECLARE_ETD(_tc, _e, 1); \
- ed->data[0] = _tc->irs; \
- TCP_EVT_STATE_CHANGE_HANDLER(_tc); \
-}
-
#define TCP_EVT_SYN_SENT_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "syn-tx: iss %u", \
- .format_args = "i4", \
+ .format = "syn-tx: iss %u snd_una %u snd_una_max %u snd_nxt %u", \
+ .format_args = "i4i4i4i4", \
}; \
- DECLARE_ETD(_tc, _e, 1); \
+ DECLARE_ETD(_tc, _e, 4); \
ed->data[0] = _tc->iss; \
+ ed->data[1] = _tc->snd_una - _tc->iss; \
+ ed->data[2] = _tc->snd_una_max - _tc->iss; \
+ ed->data[3] = _tc->snd_nxt - _tc->iss; \
TCP_EVT_STATE_CHANGE_HANDLER(_tc); \
}
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "synack-tx: iss %u irs %u", \
- .format_args = "i4i4", \
+ .format = "synack-tx: iss %u irs %u snd_una %u snd_nxt %u rcv_nxt %u",\
+ .format_args = "i4i4i4i4i4", \
}; \
- DECLARE_ETD(_tc, _e, 2); \
+ DECLARE_ETD(_tc, _e, 5); \
ed->data[0] = _tc->iss; \
ed->data[1] = _tc->irs; \
+ ed->data[2] = _tc->snd_una - _tc->iss; \
+ ed->data[3] = _tc->snd_nxt - _tc->iss; \
+ ed->data[4] = _tc->rcv_nxt - _tc->irs; \
}
#define TCP_EVT_SYNACK_RCVD_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "synack-rx: iss %u irs %u", \
- .format_args = "i4i4", \
+ .format = "synack-rx: iss %u irs %u snd_una %u snd_nxt %u rcv_nxt %u",\
+ .format_args = "i4i4i4i4i4", \
}; \
- DECLARE_ETD(_tc, _e, 2); \
+ DECLARE_ETD(_tc, _e, 5); \
ed->data[0] = _tc->iss; \
ed->data[1] = _tc->irs; \
+ ed->data[2] = _tc->snd_una - _tc->iss; \
+ ed->data[3] = _tc->snd_nxt - _tc->iss; \
+ ed->data[4] = _tc->rcv_nxt - _tc->irs; \
TCP_EVT_STATE_CHANGE_HANDLER(_tc); \
}
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "%s-rxt: iss %u", \
- .format_args = "t4i4", \
+ .format = "%s-rxt: iss %u irs %u snd_nxt %u rcv_nxt %u", \
+ .format_args = "t4i4i4i4i4", \
.n_enum_strings = 2, \
.enum_strings = { \
"syn", \
"syn-ack", \
}, \
}; \
- DECLARE_ETD(_tc, _e, 2); \
+ DECLARE_ETD(_tc, _e, 5); \
ed->data[0] = _type; \
ed->data[1] = _tc->iss; \
+ ed->data[2] = _tc->irs; \
+ ed->data[3] = _tc->snd_nxt - _tc->iss; \
+ ed->data[4] = _tc->rcv_nxt - _tc->irs; \
}
#else
ed->data[4] = _tc->snd_wnd; \
}
-#define TCP_EVT_DUPACK_SENT_HANDLER(_tc, ...) \
-{ \
- ELOG_TYPE_DECLARE (_e) = \
- { \
- .format = "dack-tx: rcv_nxt %u rcv_wnd %u snd_nxt %u av_wnd %u snd_wnd %u",\
- .format_args = "i4i4i4i4i4", \
- }; \
- DECLARE_ETD(_tc, _e, 5); \
- ed->data[0] = _tc->rcv_nxt - _tc->irs; \
- ed->data[1] = _tc->rcv_wnd; \
- ed->data[2] = _tc->snd_nxt - _tc->iss; \
- ed->data[3] = tcp_available_wnd(_tc); \
- ed->data[4] = _tc->snd_wnd; \
-}
-
#define TCP_EVT_ACK_RCVD_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "acked: %u snd_una %u snd_wnd %u cwnd %u inflight %u", \
+ .format = "ack-rx: %u snd_una %u snd_wnd %u cwnd %u inflight %u", \
.format_args = "i4i4i4i4i4", \
}; \
DECLARE_ETD(_tc, _e, 5); \
ed->data[4] = tcp_flight_size(_tc); \
}
-#define TCP_EVT_DUPACK_RCVD_HANDLER(_tc, ...) \
-{ \
- ELOG_TYPE_DECLARE (_e) = \
- { \
- .format = "dack-rx: snd_una %u cwnd %u snd_wnd %u flight %u rcv_wnd %u",\
- .format_args = "i4i4i4i4i4", \
- }; \
- DECLARE_ETD(_tc, _e, 5); \
- ed->data[0] = _tc->snd_una - _tc->iss; \
- ed->data[1] = _tc->cwnd; \
- ed->data[2] = _tc->snd_wnd; \
- ed->data[3] = tcp_flight_size(_tc); \
- ed->data[4] = _tc->rcv_wnd; \
-}
-
#define TCP_EVT_PKTIZE_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "pktize: una %u snd_nxt %u space %u flight %u rcv_wnd %u",\
+ .format = "tx: una %u snd_nxt %u space %u flight %u rcv_wnd %u",\
.format_args = "i4i4i4i4i4", \
}; \
DECLARE_ETD(_tc, _e, 5); \
ed->data[0] = _tc->snd_una - _tc->iss; \
ed->data[1] = _tc->snd_nxt - _tc->iss; \
- ed->data[2] = tcp_available_snd_space (_tc); \
+ ed->data[2] = tcp_available_output_snd_space (_tc); \
ed->data[3] = tcp_flight_size (_tc); \
ed->data[4] = _tc->rcv_wnd; \
}
}
#else
#define TCP_EVT_ACK_SENT_HANDLER(_tc, ...)
-#define TCP_EVT_DUPACK_SENT_HANDLER(_tc, ...)
#define TCP_EVT_ACK_RCVD_HANDLER(_tc, ...)
-#define TCP_EVT_DUPACK_RCVD_HANDLER(_tc, ...)
#define TCP_EVT_PKTIZE_HANDLER(_tc, ...)
#define TCP_EVT_INPUT_HANDLER(_tc, _type, _len, _written, ...)
#define TCP_EVT_TIMER_POP_HANDLER(_tc_index, _timer_id, ...)
*/
#if TCP_DEBUG_CC
-#define TCP_EVT_CC_RTX_HANDLER(_tc, offset, n_bytes, ...) \
-{ \
- ELOG_TYPE_DECLARE (_e) = \
- { \
- .format = "rxt: snd_nxt %u offset %u snd %u rxt %u", \
- .format_args = "i4i4i4i4", \
- }; \
- DECLARE_ETD(_tc, _e, 4); \
- ed->data[0] = _tc->snd_nxt - _tc->iss; \
- ed->data[1] = offset; \
- ed->data[2] = n_bytes; \
- ed->data[3] = _tc->snd_rxt_bytes; \
-}
#define TCP_EVT_CC_EVT_HANDLER(_tc, _sub_evt, ...) \
{ \
{ \
.format = "cc: %s wnd %u snd_cong %u rxt_bytes %u", \
.format_args = "t4i4i4i4", \
- .n_enum_strings = 5, \
+ .n_enum_strings = 6, \
.enum_strings = { \
"fast-rxt", \
"rxt-timeout", \
"first-rxt", \
"recovered", \
"congestion", \
+ "undo", \
}, \
}; \
DECLARE_ETD(_tc, _e, 4); \
ed->data[3] = _tc->snd_rxt_bytes; \
}
+#define TCP_EVT_CC_RTX_HANDLER(_tc, offset, n_bytes, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "rxt: snd_nxt %u offset %u snd %u rxt %u", \
+ .format_args = "i4i4i4i4", \
+ }; \
+ DECLARE_ETD(_tc, _e, 4); \
+ ed->data[0] = _tc->snd_nxt - _tc->iss; \
+ ed->data[1] = offset; \
+ ed->data[2] = n_bytes; \
+ ed->data[3] = _tc->snd_rxt_bytes; \
+}
+
+#define TCP_EVT_DUPACK_SENT_HANDLER(_tc, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "dack-tx: rcv_nxt %u rcv_wnd %u snd_nxt %u av_wnd %u snd_wnd %u",\
+ .format_args = "i4i4i4i4i4", \
+ }; \
+ DECLARE_ETD(_tc, _e, 5); \
+ ed->data[0] = _tc->rcv_nxt - _tc->irs; \
+ ed->data[1] = _tc->rcv_wnd; \
+ ed->data[2] = _tc->snd_nxt - _tc->iss; \
+ ed->data[3] = tcp_available_snd_wnd(_tc); \
+ ed->data[4] = _tc->snd_wnd; \
+}
+
+#define TCP_EVT_DUPACK_RCVD_HANDLER(_tc, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "dack-rx: snd_una %u cwnd %u snd_wnd %u flight %u rcv_wnd %u",\
+ .format_args = "i4i4i4i4i4", \
+ }; \
+ DECLARE_ETD(_tc, _e, 5); \
+ ed->data[0] = _tc->snd_una - _tc->iss; \
+ ed->data[1] = _tc->cwnd; \
+ ed->data[2] = _tc->snd_wnd; \
+ ed->data[3] = tcp_flight_size(_tc); \
+ ed->data[4] = _tc->rcv_wnd; \
+}
+
#define TCP_EVT_CC_PACK_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
ed->data[0] = _tc->snd_una - _tc->iss; \
ed->data[1] = _tc->snd_una_max - _tc->iss; \
}
+#else
+#define TCP_EVT_CC_RTX_HANDLER(_tc, offset, n_bytes, ...)
+#define TCP_EVT_DUPACK_SENT_HANDLER(_tc, ...)
+#define TCP_EVT_DUPACK_RCVD_HANDLER(_tc, ...)
+#define TCP_EVT_CC_PACK_HANDLER(_tc, ...)
+#define TCP_EVT_CC_EVT_HANDLER(_tc, _sub_evt, ...)
+#endif
/*
* Congestion control stats
} \
}
+/*
+ * Buffer allocation
+ */
+#if TCP_DEBUG_BUFFER_ALLOCATION
+
+#define TCP_DBG_BUFFER_ALLOC_MAYBE_FAIL(thread_index) \
+{ \
+ static u32 *buffer_fail_counters; \
+ if (PREDICT_FALSE (buffer_fail_counters == 0)) \
+ { \
+ u32 num_threads; \
+ vlib_thread_main_t *vtm = vlib_get_thread_main (); \
+ num_threads = 1 /* main thread */ + vtm->n_threads; \
+ vec_validate (buffer_fail_counters, num_threads - 1); \
+ } \
+ if (PREDICT_FALSE (tcp_main.buffer_fail_fraction != 0.0)) \
+ { \
+ if (PREDICT_TRUE (buffer_fail_counters[thread_index] > 0)) \
+ { \
+ if ((1.0 / (f32) (buffer_fail_counters[thread_index])) \
+ < tcp_main.buffer_fail_fraction) \
+ { \
+ buffer_fail_counters[thread_index] = 0.0000001; \
+ return -1; \
+ } \
+ } \
+ buffer_fail_counters[thread_index] ++; \
+ } \
+}
#else
-#define TCP_EVT_CC_STAT_HANDLER(_tc, ...)
+#define TCP_DBG_BUFFER_ALLOC_MAYBE_FAIL(thread_index)
#endif
#else
-#define TCP_EVT_CC_RTX_HANDLER(_tc, offset, n_bytes, ...)
-#define TCP_EVT_CC_EVT_HANDLER(_tc, _sub_evt, ...)
-#define TCP_EVT_CC_PACK_HANDLER(_tc, ...)
#define TCP_EVT_CC_STAT_HANDLER(_tc, ...)
#endif
Code Review / vpp.git / blobdiff