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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: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Geliang Tang 2022-03-07 12:44:31 -08:00 committed by Jakub Kicinski
parent d307eab593
commit 0eb4e7ee16
2 changed files with 5 additions and 0 deletions
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4
include/trace/events/mptcp.h
View File

@ -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));

1
net/mptcp/protocol.c
View File

@ -1356,6 +1356,7 @@ alloc_skb:
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;
}