projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 10 | TRACE_EVENT(mptcp_subflow_get_send, | |
| 11 | ||
| 12 | TP_PROTO(struct mptcp_subflow_context *subflow), | |
| 13 | ||
| 14 | TP_ARGS(subflow), | |
| 15 | ||
| 16 | TP_STRUCT__entry( | |
| 17 | __field(bool, active) | |
| 18 | __field(bool, free) | |
| 19 | __field(u32, snd_wnd) | |
| 20 | __field(u32, pace) | |
| 21 | __field(u8, backup) | |
| 22 | __field(u64, ratio) | |
| 23 | ), | |
| 24 | ||
| 25 | TP_fast_assign( | |
| 26 | struct sock *ssk; | |
| 27 | ||
| 28 | __entry->active = mptcp_subflow_active(subflow); | |
| 29 | __entry->backup = subflow->backup; | |
| 30 | ||
| 31 | if (subflow->tcp_sock && sk_fullsock(subflow->tcp_sock)) | |
| 32 | __entry->free = sk_stream_memory_free(subflow->tcp_sock); | |
| 33 | else | |
| 34 | __entry->free = 0; | |
| 35 | ||
| 36 | ssk = mptcp_subflow_tcp_sock(subflow); | |
| 37 | if (ssk && sk_fullsock(ssk)) { | |
| 38 | __entry->snd_wnd = tcp_sk(ssk)->snd_wnd; | |
| 39 | __entry->pace = ssk->sk_pacing_rate; | |
| 40 | } else { | |
| 41 | __entry->snd_wnd = 0; | |
| 42 | __entry->pace = 0; | |
| 43 | } | |
| 44 | ||
| 45 | if (ssk && sk_fullsock(ssk) && __entry->pace) | |
| 46 | __entry->ratio = div_u64((u64)ssk->sk_wmem_queued << 32, __entry->pace); | |
| 47 | else | |
| 48 | __entry->ratio = 0; | |
| 49 | ), | |
| 50 | ||
| 51 | TP_printk("active=%d free=%d snd_wnd=%u pace=%u backup=%u ratio=%llu", | |
| 52 | __entry->active, __entry->free, | |
| 53 | __entry->snd_wnd, __entry->pace, | |
| 54 | __entry->backup, __entry->ratio) | |
| 55 | ); | |
| 56 | ||
| 57 | #endif /* _TRACE_MPTCP_H */ | |
| 58 | ||
| 59 | /* This part must be outside protection */ | |
| 60 | #include <trace/define_trace.h> |