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/* 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)
);
#endif /* _TRACE_MPTCP_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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