1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM mptcp
#if !defined(_TRACE_MPTCP_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_MPTCP_H
#include <linux/tracepoint.h>
TRACE_EVENT(mptcp_subflow_get_send,
TP_PROTO(struct mptcp_subflow_context *subflow),
TP_ARGS(subflow),
TP_STRUCT__entry(
__field(bool, active)
__field(bool, free)
__field(u32, snd_wnd)
__field(u32, pace)
__field(u8, backup)
__field(u64, ratio)
),
TP_fast_assign(
struct sock *ssk;
__entry->active = mptcp_subflow_active(subflow);
__entry->backup = subflow->backup;
if (subflow->tcp_sock && sk_fullsock(subflow->tcp_sock))
__entry->free = sk_stream_memory_free(subflow->tcp_sock);
else
__entry->free = 0;
ssk = mptcp_subflow_tcp_sock(subflow);
if (ssk && sk_fullsock(ssk)) {
__entry->snd_wnd = tcp_sk(ssk)->snd_wnd;
__entry->pace = ssk->sk_pacing_rate;
} else {
__entry->snd_wnd = 0;
__entry->pace = 0;
}
if (ssk && sk_fullsock(ssk) && __entry->pace)
__entry->ratio = div_u64((u64)ssk->sk_wmem_queued << 32, __entry->pace);
else
__entry->ratio = 0;
),
TP_printk("active=%d free=%d snd_wnd=%u pace=%u backup=%u ratio=%llu",
__entry->active, __entry->free,
__entry->snd_wnd, __entry->pace,
__entry->backup, __entry->ratio)
);
DECLARE_EVENT_CLASS(mptcp_dump_mpext,
TP_PROTO(struct mptcp_ext *mpext),
TP_ARGS(mpext),
TP_STRUCT__entry(
__field(u64, data_ack)
__field(u64, data_seq)
__field(u32, subflow_seq)
__field(u16, data_len)
__field(u8, use_map)
__field(u8, dsn64)
__field(u8, data_fin)
__field(u8, use_ack)
__field(u8, ack64)
__field(u8, mpc_map)
__field(u8, frozen)
__field(u8, reset_transient)
__field(u8, reset_reason)
),
TP_fast_assign(
__entry->data_ack = mpext->ack64 ? mpext->data_ack : mpext->data_ack32;
__entry->data_seq = mpext->data_seq;
__entry->subflow_seq = mpext->subflow_seq;
__entry->data_len = mpext->data_len;
__entry->use_map = mpext->use_map;
__entry->dsn64 = mpext->dsn64;
__entry->data_fin = mpext->data_fin;
__entry->use_ack = mpext->use_ack;
__entry->ack64 = mpext->ack64;
__entry->mpc_map = mpext->mpc_map;
__entry->frozen = mpext->frozen;
__entry->reset_transient = mpext->reset_transient;
__entry->reset_reason = mpext->reset_reason;
),
TP_printk("data_ack=%llu data_seq=%llu subflow_seq=%u data_len=%u use_map=%u dsn64=%u data_fin=%u use_ack=%u ack64=%u mpc_map=%u frozen=%u reset_transient=%u reset_reason=%u",
__entry->data_ack, __entry->data_seq,
__entry->subflow_seq, __entry->data_len,
__entry->use_map, __entry->dsn64,
__entry->data_fin, __entry->use_ack,
__entry->ack64, __entry->mpc_map,
__entry->frozen, __entry->reset_transient,
__entry->reset_reason)
);
DEFINE_EVENT(mptcp_dump_mpext, get_mapping_status,
TP_PROTO(struct mptcp_ext *mpext),
TP_ARGS(mpext));
#endif /* _TRACE_MPTCP_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|