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authorGeliang Tang <geliangtang@gmail.com>2021-04-17 01:38:05 +0300
committerDavid S. Miller <davem@davemloft.net>2021-04-17 03:10:40 +0300
commit0918e34b85c7e125f531caaf3d2918baf2b1a5f9 (patch)
tree49cd78562e27d7a27b0af1f6c50ad778a2cba2d7 /include/trace/events
parente10a9892097672b62be4ea265a9eb48f698ca3b8 (diff)
downloadlinux-0918e34b85c7e125f531caaf3d2918baf2b1a5f9.tar.xz
mptcp: add tracepoint in get_mapping_status
This patch added a tracepoint in the mapping status function get_mapping_status() to dump every mpext field. Suggested-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/trace/events')
-rw-r--r--include/trace/events/mptcp.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h
index b1617a0162da..ec20350d82eb 100644
--- a/include/trace/events/mptcp.h
+++ b/include/trace/events/mptcp.h
@@ -54,6 +54,58 @@ TRACE_EVENT(mptcp_subflow_get_send,
__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));
+
#endif /* _TRACE_MPTCP_H */
/* This part must be outside protection */