#include <vlib/vlib.h>
#define TCP_DEBUG (1)
+#define TCP_DEBUG_SM (0)
#define TCP_DEBUG_CC (1)
-#define TCP_DEBUG_VERBOSE (0)
+#define TCP_DEBUG_CC_STAT (1)
+#define TCP_DEBUG_SM_VERBOSE (0)
#define foreach_tcp_dbg_evt \
_(INIT, "") \
_(CC_RTX, "retransmit") \
_(CC_EVT, "cc event") \
_(CC_PACK, "cc partial ack") \
+ _(CC_STAT, "cc stats") \
+ _(CC_RTO_STAT, "cc rto stats") \
_(SEG_INVALID, "invalid segment") \
_(PAWS_FAIL, "failed paws check") \
_(ACK_RCV_ERR, "invalid ack") \
#define TRANSPORT_DEBUG (1)
+/*
+ * Infra and evt track setup
+ */
+
#define TCP_DBG(_tc, _evt, _args...) \
{ \
u8 *_tmp = 0; \
TCP_EVT_DEALLOC_HANDLER(_tc); \
}
+#define TCP_EVT_SYN_RCVD_HANDLER(_tc, ...) \
+{ \
+ TCP_EVT_INIT_HANDLER(_tc, "s%d%c"); \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "SYNrx: irs %u", \
+ .format_args = "i4", \
+ }; \
+ DECLARE_ETD(_tc, _e, 1); \
+ ed->data[0] = _tc->irs; \
+}
+
+#define CONCAT_HELPER(_a, _b) _a##_b
+#define CC(_a, _b) CONCAT_HELPER(_a, _b)
+#define TCP_EVT_DBG(_evt, _args...) CC(_evt, _HANDLER)(_args)
+#else
+#define TCP_EVT_DBG(_evt, _args...)
+#endif
+
+/*
+ * State machine
+ */
+#if TCP_DEBUG_SM
+
#define TCP_EVT_ACK_SENT_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
ed->data[1] = _tc->rcv_nxt - _tc->irs; \
}
-#define TCP_EVT_SYN_RCVD_HANDLER(_tc, ...) \
-{ \
- TCP_EVT_INIT_HANDLER(_tc, "s%d%c"); \
- ELOG_TYPE_DECLARE (_e) = \
- { \
- .format = "SYNrx: irs %u", \
- .format_args = "i4", \
- }; \
- DECLARE_ETD(_tc, _e, 1); \
- ed->data[0] = _tc->irs; \
-}
-
#define TCP_EVT_FIN_RCVD_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
ed->data[4] = _tc->snd_una_max - _tc->iss; \
}
+#define TCP_EVT_RCV_WND_SHRUNK_HANDLER(_tc, _obs, _av, ...) \
+{ \
+if (_av > 0) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "huh?: rcv_wnd %u obsd %u av %u rcv_nxt %u rcv_las %u", \
+ .format_args = "i4i4i4i4i4", \
+ }; \
+ DECLARE_ETD(_tc, _e, 5); \
+ ed->data[0] = _tc->rcv_wnd; \
+ ed->data[1] = _obs; \
+ ed->data[2] = _av; \
+ ed->data[3] = _tc->rcv_nxt - _tc->irs; \
+ ed->data[4] = _tc->rcv_las - _tc->irs; \
+} \
+}
+#else
+#define TCP_EVT_ACK_SENT_HANDLER(_tc, ...)
+#define TCP_EVT_DUPACK_SENT_HANDLER(_tc, ...)
+#define TCP_EVT_SYN_SENT_HANDLER(_tc, ...)
+#define TCP_EVT_SYN_RTX_HANDLER(_tc, ...)
+#define TCP_EVT_FIN_SENT_HANDLER(_tc, ...)
+#define TCP_EVT_RST_SENT_HANDLER(_tc, ...)
+#define TCP_EVT_FIN_RCVD_HANDLER(_tc, ...)
+#define TCP_EVT_RST_RCVD_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, ...)
+#define TCP_EVT_SEG_INVALID_HANDLER(_tc, _seq, _end, ...)
+#define TCP_EVT_PAWS_FAIL_HANDLER(_tc, _seq, _end, ...)
+#define TCP_EVT_ACK_RCV_ERR_HANDLER(_tc, _type, _ack, ...)
+#define TCP_EVT_RCV_WND_SHRUNK_HANDLER(_tc, _obs, _av, ...)
+#endif
+
+/*
+ * State machine verbose
+ */
+#if TCP_DBG_SM_VERBOSE
+#define TCP_EVT_SND_WND_HANDLER(_tc, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "snd_wnd update: %u ", \
+ .format_args = "i4", \
+ }; \
+ DECLARE_ETD(_tc, _e, 1); \
+ ed->data[0] = _tc->snd_wnd; \
+}
+
+#define TCP_EVT_OUTPUT_HANDLER(_tc, flags, n_bytes,...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "out: flags %x, bytes %u", \
+ .format_args = "i4i4", \
+ }; \
+ DECLARE_ETD(_tc, _e, 2); \
+ ed->data[0] = flags; \
+ ed->data[1] = n_bytes; \
+}
+#else
+#define TCP_EVT_SND_WND_HANDLER(_tc, ...)
+#define TCP_EVT_OUTPUT_HANDLER(_tc, flags, n_bytes,...)
+#endif
+
/*
* Congestion Control
*/
ed->data[1] = _tc->snd_una_max - _tc->iss; \
}
-#else
-#define TCP_EVT_CC_RTX_HANDLER(_tc, offset, n_bytes, ...)
-#define TCP_EVT_CC_EVT_HANDLER(_tc, _sub_evt, _snd_space, ...)
-#define TCP_EVT_CC_PACK_HANDLER(_tc, ...)
-#endif
+/*
+ * Congestion control stats
+ */
+#if TCP_DEBUG_CC_STAT
-#define TCP_EVT_RCV_WND_SHRUNK_HANDLER(_tc, _obs, _av, ...) \
+#define STATS_INTERVAL 1
+
+#define TCP_EVT_CC_RTO_STAT_HANDLER(_tc, ...) \
{ \
-if (_av > 0) \
+if (_tc->c_cc_stat_tstamp + STATS_INTERVAL < tcp_time_now()) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "huh?: rcv_wnd %u obsd %u av %u rcv_nxt %u rcv_las %u", \
- .format_args = "i4i4i4i4i4", \
+ .format = "rto_stat: rto %u srtt %u rttvar %u ", \
+ .format_args = "i4i4i4", \
}; \
- DECLARE_ETD(_tc, _e, 5); \
- ed->data[0] = _tc->rcv_wnd; \
- ed->data[1] = _obs; \
- ed->data[2] = _av; \
- ed->data[3] = _tc->rcv_nxt - _tc->irs; \
- ed->data[4] = _tc->rcv_las - _tc->irs; \
+ DECLARE_ETD(_tc, _e, 3); \
+ ed->data[0] = _tc->rto; \
+ ed->data[1] = _tc->srtt; \
+ ed->data[2] = _tc->rttvar; \
} \
}
-#if TCP_DBG_VERBOSE
-#define TCP_EVT_SND_WND_HANDLER(_tc, ...) \
+#define TCP_EVT_CC_STAT_HANDLER(_tc, ...) \
{ \
- ELOG_TYPE_DECLARE (_e) = \
- { \
- .format = "snd_wnd update: %u ", \
- .format_args = "i4", \
- }; \
- DECLARE_ETD(_tc, _e, 1); \
- ed->data[0] = _tc->snd_wnd; \
-}
-
-#define TCP_EVT_OUTPUT_HANDLER(_tc, flags, n_bytes,...) \
+if (_tc->c_cc_stat_tstamp + STATS_INTERVAL < tcp_time_now()) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "out: flags %x, bytes %u", \
- .format_args = "i4i4", \
+ .format = "cc_stat: cwnd %u flight %u space %u ssthresh %u snd_wnd %u",\
+ .format_args = "i4i4i4i4i4", \
}; \
- DECLARE_ETD(_tc, _e, 2); \
- ed->data[0] = flags; \
- ed->data[1] = n_bytes; \
+ DECLARE_ETD(_tc, _e, 5); \
+ ed->data[0] = _tc->cwnd; \
+ ed->data[1] = tcp_flight_size (_tc); \
+ ed->data[2] = tcp_snd_space (_tc); \
+ ed->data[3] = _tc->ssthresh; \
+ ed->data[4] = _tc->snd_wnd; \
+ TCP_EVT_CC_RTO_STAT_HANDLER (_tc); \
+ _tc->c_cc_stat_tstamp = tcp_time_now(); \
+} \
}
+
#else
-#define TCP_EVT_SND_WND_HANDLER(_tc, ...)
-#define TCP_EVT_OUTPUT_HANDLER(_tc, flags, n_bytes,...)
+#define TCP_EVT_CC_STAT_HANDLER(_tc, ...)
#endif
-#define CONCAT_HELPER(_a, _b) _a##_b
-#define CC(_a, _b) CONCAT_HELPER(_a, _b)
-#define TCP_EVT_DBG(_evt, _args...) CC(_evt, _HANDLER)(_args)
-
#else
-#define TCP_EVT_DBG(_evt, _args...)
+#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, ...)
#endif
-
#endif /* SRC_VNET_TCP_TCP_DEBUG_H_ */
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff