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authorGeliang Tang <geliangtang@gmail.com>2021-04-16 15:38:07 -0700
committerDavid S. Miller <davem@davemloft.net>2021-04-16 17:10:40 -0700
commitd96a838a7ce2772ed181f89becd79b72d267f93a (patch)
tree209d5665482d494efe1af6f934576edbba417b2f /net/mptcp/subflow.c
parented66bfb4ce34a94174bb755eeaca85d1661d36ad (diff)
mptcp: add tracepoint in subflow_check_data_avail
This patch added a tracepoint in subflow_check_data_avail() to show the mapping status. 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 'net/mptcp/subflow.c')
-rw-r--r--net/mptcp/subflow.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index d8a2a55ae916..82e91b00ad39 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -1002,8 +1002,6 @@ static bool subflow_check_data_avail(struct sock *ssk)
struct mptcp_sock *msk;
struct sk_buff *skb;
- pr_debug("msk=%p ssk=%p data_avail=%d skb=%p", subflow->conn, ssk,
- subflow->data_avail, skb_peek(&ssk->sk_receive_queue));
if (!skb_peek(&ssk->sk_receive_queue))
subflow->data_avail = 0;
if (subflow->data_avail)
@@ -1015,7 +1013,7 @@ static bool subflow_check_data_avail(struct sock *ssk)
u64 old_ack;
status = get_mapping_status(ssk, msk);
- pr_debug("msk=%p ssk=%p status=%d", msk, ssk, status);
+ trace_subflow_check_data_avail(status, skb_peek(&ssk->sk_receive_queue));
if (status == MAPPING_INVALID) {
ssk->sk_err = EBADMSG;
goto fatal;