Commit 0eb4e7ee authored by Geliang Tang's avatar Geliang Tang Committed by Jakub Kicinski
Browse files

mptcp: add tracepoint in mptcp_sendmsg_frag 



The tracepoint in get_mapping_status() only dumped the incoming mpext
fields. This patch added a new tracepoint in mptcp_sendmsg_frag() to dump
the outgoing mpext too.

Signed-off-by: default avatarGeliang Tang <geliang.tang@suse.com>
Signed-off-by: default avatarMat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent d307eab5

include/trace/events/mptcp.h

+4 −0
Original line number Diff line number Diff line
@@ -115,6 +115,10 @@ DECLARE_EVENT_CLASS(mptcp_dump_mpext, 
		  __entry->csum_reqd)

);



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));

net/mptcp/protocol.c

+1 −0
Original line number Diff line number Diff line
@@ -1356,6 +1356,7 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, 
out:

	if (READ_ONCE(msk->csum_enabled))

		mptcp_update_data_checksum(skb, copy);

	trace_mptcp_sendmsg_frag(mpext);

	mptcp_subflow_ctx(ssk)->rel_write_seq += copy;

	return copy;

}