Viewing file:  mptcp.h (4.27 KB) -rw-r--r--
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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>
#define show_mapping_status(status) \
__print_symbolic(status, \
{ 0, "MAPPING_OK" }, \
{ 1, "MAPPING_INVALID" }, \
{ 2, "MAPPING_EMPTY" }, \
{ 3, "MAPPING_DATA_FIN" }, \
{ 4, "MAPPING_DUMMY" })
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));
TRACE_EVENT(ack_update_msk,
TP_PROTO(u64 data_ack, u64 old_snd_una,
u64 new_snd_una, u64 new_wnd_end,
u64 msk_wnd_end),
TP_ARGS(data_ack, old_snd_una,
new_snd_una, new_wnd_end,
msk_wnd_end),
TP_STRUCT__entry(
__field(u64, data_ack)
__field(u64, old_snd_una)
__field(u64, new_snd_una)
__field(u64, new_wnd_end)
__field(u64, msk_wnd_end)
),
TP_fast_assign(
__entry->data_ack = data_ack;
__entry->old_snd_una = old_snd_una;
__entry->new_snd_una = new_snd_una;
__entry->new_wnd_end = new_wnd_end;
__entry->msk_wnd_end = msk_wnd_end;
),
TP_printk("data_ack=%llu old_snd_una=%llu new_snd_una=%llu new_wnd_end=%llu msk_wnd_end=%llu",
__entry->data_ack, __entry->old_snd_una,
__entry->new_snd_una, __entry->new_wnd_end,
__entry->msk_wnd_end)
);
TRACE_EVENT(subflow_check_data_avail,
TP_PROTO(__u8 status, struct sk_buff *skb),
TP_ARGS(status, skb),
TP_STRUCT__entry(
__field(u8, status)
__field(const void *, skb)
),
TP_fast_assign(
__entry->status = status;
__entry->skb = skb;
),
TP_printk("mapping_status=%s, skb=%p",
show_mapping_status(__entry->status),
__entry->skb)
);
#endif /* _TRACE_MPTCP_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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