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-rw-r--r--include/trace/events/mptcp.h184
1 files changed, 184 insertions, 0 deletions
diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h
new file mode 100644
index 0000000000..563e486173
--- /dev/null
+++ b/include/trace/events/mptcp.h
@@ -0,0 +1,184 @@
+/* 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(u16, csum)
+ __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)
+ __field(u8, csum_reqd)
+ __field(u8, infinite_map)
+ ),
+
+ 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->csum = (__force u16)mpext->csum;
+ __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;
+ __entry->csum_reqd = mpext->csum_reqd;
+ __entry->infinite_map = mpext->infinite_map;
+ ),
+
+ 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 infinite_map=%u",
+ __entry->data_ack, __entry->data_seq,
+ __entry->subflow_seq, __entry->data_len,
+ __entry->csum, __entry->use_map,
+ __entry->dsn64, __entry->data_fin,
+ __entry->use_ack, __entry->ack64,
+ __entry->mpc_map, __entry->frozen,
+ __entry->reset_transient, __entry->reset_reason,
+ __entry->csum_reqd, __entry->infinite_map)
+);
+
+DEFINE_EVENT(mptcp_dump_mpext, mptcp_sendmsg_frag,
+ TP_PROTO(struct mptcp_ext *mpext),
+ TP_ARGS(mpext));
+
+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>