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e10a9892 GT |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #undef TRACE_SYSTEM | |
3 | #define TRACE_SYSTEM mptcp | |
4 | ||
5 | #if !defined(_TRACE_MPTCP_H) || defined(TRACE_HEADER_MULTI_READ) | |
6 | #define _TRACE_MPTCP_H | |
7 | ||
8 | #include <linux/tracepoint.h> | |
9 | ||
d96a838a GT |
10 | #define show_mapping_status(status) \ |
11 | __print_symbolic(status, \ | |
12 | { 0, "MAPPING_OK" }, \ | |
13 | { 1, "MAPPING_INVALID" }, \ | |
14 | { 2, "MAPPING_EMPTY" }, \ | |
15 | { 3, "MAPPING_DATA_FIN" }, \ | |
16 | { 4, "MAPPING_DUMMY" }) | |
17 | ||
e10a9892 GT |
18 | TRACE_EVENT(mptcp_subflow_get_send, |
19 | ||
20 | TP_PROTO(struct mptcp_subflow_context *subflow), | |
21 | ||
22 | TP_ARGS(subflow), | |
23 | ||
24 | TP_STRUCT__entry( | |
25 | __field(bool, active) | |
26 | __field(bool, free) | |
27 | __field(u32, snd_wnd) | |
28 | __field(u32, pace) | |
29 | __field(u8, backup) | |
30 | __field(u64, ratio) | |
31 | ), | |
32 | ||
33 | TP_fast_assign( | |
34 | struct sock *ssk; | |
35 | ||
36 | __entry->active = mptcp_subflow_active(subflow); | |
37 | __entry->backup = subflow->backup; | |
38 | ||
39 | if (subflow->tcp_sock && sk_fullsock(subflow->tcp_sock)) | |
40 | __entry->free = sk_stream_memory_free(subflow->tcp_sock); | |
41 | else | |
42 | __entry->free = 0; | |
43 | ||
44 | ssk = mptcp_subflow_tcp_sock(subflow); | |
45 | if (ssk && sk_fullsock(ssk)) { | |
46 | __entry->snd_wnd = tcp_sk(ssk)->snd_wnd; | |
47 | __entry->pace = ssk->sk_pacing_rate; | |
48 | } else { | |
49 | __entry->snd_wnd = 0; | |
50 | __entry->pace = 0; | |
51 | } | |
52 | ||
53 | if (ssk && sk_fullsock(ssk) && __entry->pace) | |
54 | __entry->ratio = div_u64((u64)ssk->sk_wmem_queued << 32, __entry->pace); | |
55 | else | |
56 | __entry->ratio = 0; | |
57 | ), | |
58 | ||
59 | TP_printk("active=%d free=%d snd_wnd=%u pace=%u backup=%u ratio=%llu", | |
60 | __entry->active, __entry->free, | |
61 | __entry->snd_wnd, __entry->pace, | |
62 | __entry->backup, __entry->ratio) | |
63 | ); | |
64 | ||
0918e34b GT |
65 | DECLARE_EVENT_CLASS(mptcp_dump_mpext, |
66 | ||
67 | TP_PROTO(struct mptcp_ext *mpext), | |
68 | ||
69 | TP_ARGS(mpext), | |
70 | ||
71 | TP_STRUCT__entry( | |
72 | __field(u64, data_ack) | |
73 | __field(u64, data_seq) | |
74 | __field(u32, subflow_seq) | |
75 | __field(u16, data_len) | |
401e3030 | 76 | __field(u16, csum) |
0918e34b GT |
77 | __field(u8, use_map) |
78 | __field(u8, dsn64) | |
79 | __field(u8, data_fin) | |
80 | __field(u8, use_ack) | |
81 | __field(u8, ack64) | |
82 | __field(u8, mpc_map) | |
83 | __field(u8, frozen) | |
84 | __field(u8, reset_transient) | |
85 | __field(u8, reset_reason) | |
401e3030 | 86 | __field(u8, csum_reqd) |
0918e34b GT |
87 | ), |
88 | ||
89 | TP_fast_assign( | |
90 | __entry->data_ack = mpext->ack64 ? mpext->data_ack : mpext->data_ack32; | |
91 | __entry->data_seq = mpext->data_seq; | |
92 | __entry->subflow_seq = mpext->subflow_seq; | |
93 | __entry->data_len = mpext->data_len; | |
401e3030 | 94 | __entry->csum = (__force u16)mpext->csum; |
0918e34b GT |
95 | __entry->use_map = mpext->use_map; |
96 | __entry->dsn64 = mpext->dsn64; | |
97 | __entry->data_fin = mpext->data_fin; | |
98 | __entry->use_ack = mpext->use_ack; | |
99 | __entry->ack64 = mpext->ack64; | |
100 | __entry->mpc_map = mpext->mpc_map; | |
101 | __entry->frozen = mpext->frozen; | |
102 | __entry->reset_transient = mpext->reset_transient; | |
103 | __entry->reset_reason = mpext->reset_reason; | |
401e3030 | 104 | __entry->csum_reqd = mpext->csum_reqd; |
0918e34b GT |
105 | ), |
106 | ||
401e3030 | 107 | TP_printk("data_ack=%llu data_seq=%llu subflow_seq=%u data_len=%u csum=%x use_map=%u dsn64=%u data_fin=%u use_ack=%u ack64=%u mpc_map=%u frozen=%u reset_transient=%u reset_reason=%u csum_reqd=%u", |
0918e34b GT |
108 | __entry->data_ack, __entry->data_seq, |
109 | __entry->subflow_seq, __entry->data_len, | |
401e3030 GT |
110 | __entry->csum, __entry->use_map, |
111 | __entry->dsn64, __entry->data_fin, | |
112 | __entry->use_ack, __entry->ack64, | |
113 | __entry->mpc_map, __entry->frozen, | |
114 | __entry->reset_transient, __entry->reset_reason, | |
115 | __entry->csum_reqd) | |
0918e34b GT |
116 | ); |
117 | ||
118 | DEFINE_EVENT(mptcp_dump_mpext, get_mapping_status, | |
119 | TP_PROTO(struct mptcp_ext *mpext), | |
120 | TP_ARGS(mpext)); | |
121 | ||
ed66bfb4 GT |
122 | TRACE_EVENT(ack_update_msk, |
123 | ||
124 | TP_PROTO(u64 data_ack, u64 old_snd_una, | |
125 | u64 new_snd_una, u64 new_wnd_end, | |
126 | u64 msk_wnd_end), | |
127 | ||
128 | TP_ARGS(data_ack, old_snd_una, | |
129 | new_snd_una, new_wnd_end, | |
130 | msk_wnd_end), | |
131 | ||
132 | TP_STRUCT__entry( | |
133 | __field(u64, data_ack) | |
134 | __field(u64, old_snd_una) | |
135 | __field(u64, new_snd_una) | |
136 | __field(u64, new_wnd_end) | |
137 | __field(u64, msk_wnd_end) | |
138 | ), | |
139 | ||
140 | TP_fast_assign( | |
141 | __entry->data_ack = data_ack; | |
142 | __entry->old_snd_una = old_snd_una; | |
143 | __entry->new_snd_una = new_snd_una; | |
144 | __entry->new_wnd_end = new_wnd_end; | |
145 | __entry->msk_wnd_end = msk_wnd_end; | |
146 | ), | |
147 | ||
148 | TP_printk("data_ack=%llu old_snd_una=%llu new_snd_una=%llu new_wnd_end=%llu msk_wnd_end=%llu", | |
149 | __entry->data_ack, __entry->old_snd_una, | |
150 | __entry->new_snd_una, __entry->new_wnd_end, | |
151 | __entry->msk_wnd_end) | |
152 | ); | |
153 | ||
d96a838a GT |
154 | TRACE_EVENT(subflow_check_data_avail, |
155 | ||
156 | TP_PROTO(__u8 status, struct sk_buff *skb), | |
157 | ||
158 | TP_ARGS(status, skb), | |
159 | ||
160 | TP_STRUCT__entry( | |
161 | __field(u8, status) | |
162 | __field(const void *, skb) | |
163 | ), | |
164 | ||
165 | TP_fast_assign( | |
166 | __entry->status = status; | |
167 | __entry->skb = skb; | |
168 | ), | |
169 | ||
170 | TP_printk("mapping_status=%s, skb=%p", | |
171 | show_mapping_status(__entry->status), | |
172 | __entry->skb) | |
173 | ); | |
174 | ||
e10a9892 GT |
175 | #endif /* _TRACE_MPTCP_H */ |
176 | ||
177 | /* This part must be outside protection */ | |
178 | #include <trace/define_trace.h> |