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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SRC_VNET_TCP_TCP_DEBUG_H_
#define SRC_VNET_TCP_TCP_DEBUG_H_
#include <vlib/vlib.h>
#define TCP_DEBUG (1)
#define foreach_tcp_dbg_evt \
_(INIT, "") \
_(DEALLOC, "") \
_(OPEN, "open") \
_(CLOSE, "close") \
_(BIND, "bind") \
_(UNBIND, "unbind") \
_(DELETE, "delete") \
_(SYN_SENT, "SYN sent") \
_(FIN_SENT, "FIN sent") \
_(RST_SENT, "RST sent") \
_(SYN_RCVD, "SYN rcvd") \
_(ACK_RCVD, "ACK rcvd") \
_(FIN_RCVD, "FIN rcvd") \
_(RST_RCVD, "RST rcvd") \
_(PKTIZE, "packetize") \
_(INPUT, "in") \
_(TIMER_POP, "timer pop")
typedef enum _tcp_dbg
{
#define _(sym, str) TCP_DBG_##sym,
foreach_tcp_dbg_evt
#undef _
} tcp_dbg_e;
typedef enum _tcp_dbg_evt
{
#define _(sym, str) TCP_EVT_##sym,
foreach_tcp_dbg_evt
#undef _
} tcp_dbg_evt_e;
#if TCP_DEBUG
#define TRANSPORT_DEBUG (1)
#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 DECLARE_ETD(_tc, _e, _size) \
struct \
{ \
u32 data[_size]; \
} * ed; \
ed = ELOG_TRACK_DATA (&vlib_global_main.elog_main, \
_e, _tc->c_elog_track)
#define TCP_EVT_INIT_HANDLER(_tc, ...) \
{ \
_tc->c_elog_track.name = \
(char *) format (0, "%d%c", _tc->c_c_index, 0); \
elog_track_register (&vlib_global_main.elog_main, &_tc->c_elog_track);\
}
#define TCP_EVT_DEALLOC_HANDLER(_tc, ...) \
{ \
vec_free (_tc->c_elog_track.name); \
}
#define TCP_EVT_OPEN_HANDLER(_tc, ...) \
{ \
TCP_EVT_INIT_HANDLER(_tc); \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "open: index %d", \
.format_args = "i4", \
}; \
DECLARE_ETD(_tc, _e, 1); \
ed->data[0] = _tc->c_c_index; \
}
#define TCP_EVT_CLOSE_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "close: %d", \
.format_args = "i4", \
}; \
DECLARE_ETD(_tc, _e, 1); \
ed->data[0] = _tc->c_c_index; \
}
#define TCP_EVT_BIND_HANDLER(_tc, ...) \
{ \
TCP_EVT_INIT_HANDLER(_tc); \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "bind: listener %d", \
}; \
DECLARE_ETD(_tc, _e, 1); \
ed->data[0] = _tc->c_c_index; \
}
#define TCP_EVT_UNBIND_HANDLER(_tc, ...) \
{ \
TCP_EVT_DEALLOC_HANDLER(_tc); \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "unbind: listener %d", \
}; \
DECLARE_ETD(_tc, _e, 1); \
ed->data[0] = _tc->c_c_index; \
TCP_EVT_DEALLOC_HANDLER(_tc); \
}
#define TCP_EVT_DELETE_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "delete: %d", \
.format_args = "i4", \
}; \
DECLARE_ETD(_tc, _e, 0); \
ed->data[0] = _tc->c_c_index; \
TCP_EVT_DEALLOC_HANDLER(_tc); \
}
#define TCP_EVT_SYN_SENT_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "SYN: iss %d", \
.format_args = "i4", \
}; \
DECLARE_ETD(_tc, _e, 1); \
ed->data[0] = _tc->iss; \
}
#define TCP_EVT_FIN_SENT_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "FIN: snd_nxt %d rcv_nxt %d", \
.format_args = "i4i4", \
}; \
DECLARE_ETD(_tc, _e, 2); \
ed->data[0] = _tc->snd_nxt - _tc->iss; \
ed->data[1] = _tc->rcv_nxt - _tc->irs; \
}
#define TCP_EVT_RST_SENT_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "RST: snd_nxt %d rcv_nxt %d", \
.format_args = "i4i4", \
}; \
DECLARE_ETD(_tc, _e, 2); \
ed->data[0] = _tc->snd_nxt - _tc->iss; \
ed->data[1] = _tc->rcv_nxt - _tc->irs; \
}
#define TCP_EVT_SYN_RCVD_HANDLER(_tc, ...) \
{ \
TCP_EVT_INIT_HANDLER(_tc); \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "SYN rcvd: irs %d", \
.format_args = "i4", \
}; \
DECLARE_ETD(_tc, _e, 1); \
ed->data[0] = _tc->irs; \
}
#define TCP_EVT_FIN_RCVD_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "FIN rcvd: snd_nxt %d rcv_nxt %d", \
.format_args = "i4i4", \
}; \
DECLARE_ETD(_tc, _e, 2); \
ed->data[0] = _tc->snd_nxt - _tc->iss; \
ed->data[1] = _tc->rcv_nxt - _tc->irs; \
}
#define TCP_EVT_RST_RCVD_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "RST rcvd: snd_nxt %d rcv_nxt %d", \
.format_args = "i4i4", \
}; \
DECLARE_ETD(_tc, _e, 2); \
ed->data[0] = _tc->snd_nxt - _tc->iss; \
ed->data[1] = _tc->rcv_nxt - _tc->irs; \
}
#define TCP_EVT_ACK_RCVD_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "ACK: acked %u cwnd %u inflight %u", \
.format_args = "i4i4i4", \
}; \
DECLARE_ETD(_tc, _e, 3); \
ed->data[0] = _tc->bytes_acked; \
ed->data[1] = _tc->cwnd; \
ed->data[2] = tcp_flight_size(_tc); \
}
#define TCP_EVT_PKTIZE_HANDLER(_tc, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "pktize: snd_una %u snd_nxt %u una_max %u", \
.format_args = "i4i4i4", \
}; \
DECLARE_ETD(_tc, _e, 3); \
ed->data[0] = _tc->snd_una - _tc->iss; \
ed->data[1] = _tc->snd_nxt - _tc->iss; \
ed->data[2] = _tc->snd_una_max - _tc->iss; \
}
#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; \
}
#define TCP_EVT_INPUT_HANDLER(_tc, n_bytes, ...) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "in: bytes %u rcv_nxt %u", \
.format_args = "i4i4", \
}; \
DECLARE_ETD(_tc, _e, 2); \
ed->data[0] = n_bytes; \
ed->data[1] = _tc->rcv_nxt - _tc->irs; \
}
#define TCP_EVT_TIMER_POP_HANDLER(_tc_index, _timer_id, ...) \
{ \
tcp_connection_t *_tc; \
if (_timer_id == TCP_TIMER_RETRANSMIT_SYN) \
{ \
_tc = tcp_half_open_connection_get (_tc_index); \
} \
else \
{ \
u32 _thread_index = os_get_cpu_number (); \
_tc = tcp_connection_get (_tc_index, _thread_index); \
} \
ELOG_TYPE_DECLARE (_e) = \
{ \
.format = "TimerPop: %s (%d)", \
.format_args = "t4i4", \
.n_enum_strings = 7, \
.enum_strings = { \
"retransmit", \
"delack", \
"BUG", \
"keep", \
"waitclose", \
"retransmit syn", \
"establish", \
}, \
}; \
DECLARE_ETD(_tc, _e, 2); \
ed->data[0] = _timer_id; \
ed->data[1] = _timer_id; \
}
#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
#endif /* SRC_VNET_TCP_TCP_DEBUG_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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