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From: Geliang Tang <geliangtang@gmail.com>
To: mptcp@lists.linux.dev
Cc: Geliang Tang <geliangtang@gmail.com>
Subject: [PATCH mptcp-next v3 8/8] DO-NOT-MERGE: mptcp: mp_fail test
Date: Tue, 14 Sep 2021 17:19:07 +0800	[thread overview]
Message-ID: <c7bb8d7be4947f76df126f4878ac0c270c83e374.1631610729.git.geliangtang@gmail.com> (raw)
In-Reply-To: <cover.1631610729.git.geliangtang@gmail.com>

./mptcp_join.sh -Cf

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
 net/mptcp/protocol.c                           |  9 +++++++++
 .../testing/selftests/net/mptcp/mptcp_join.sh  | 18 ++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 48e0f55c9e45..0e4c2b7ab264 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -1292,6 +1292,8 @@ static void mptcp_update_infinite_map(struct mptcp_sock *msk, struct sock *ssk,
 	__mptcp_do_fallback(msk);
 }
 
+static int j;
+
 static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
 			      struct mptcp_data_frag *dfrag,
 			      struct mptcp_sendmsg_info *info)
@@ -1426,6 +1428,13 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
 		mptcp_update_data_checksum(skb, copy);
 	if (mptcp_subflow_ctx(ssk)->send_infinite_map)
 		mptcp_update_infinite_map(msk, ssk, mpext);
+
+	pr_debug("%s j=%d", __func__, j++);
+	if (j == 20)
+		skb->data_len = 1;
+	if (j > 40)
+		j = 0;
+
 	mptcp_subflow_ctx(ssk)->rel_write_seq += copy;
 	return copy;
 }
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index fe0c8f3164a7..38663f6373b8 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -977,6 +977,24 @@ chk_link_usage()
 
 subflows_tests()
 {
+	# 1 subflow
+	reset
+	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
+	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
+	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+	chk_join_nr "1 subflow" 0 0 0
+
+	exit
+
+	# multiple subflows
+	reset
+	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
+	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
+	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
+	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+	chk_join_nr "multiple subflows" 2 2 2
+
 	reset
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "no JOIN" "0" "0" "0"
-- 
2.31.1


      parent reply	other threads:[~2021-09-14  9:19 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-14  9:18 [PATCH mptcp-next v3 0/8] The infinite mapping support Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 1/8] mptcp: add mptcp_is_data_contiguous helper Geliang Tang
2021-09-14 15:32   ` Paolo Abeni
2021-09-15  0:37     ` Mat Martineau
2021-09-14  9:19 ` [PATCH mptcp-next v3 2/8] mptcp: add start_seq in the msk Geliang Tang
2021-09-14 15:40   ` Paolo Abeni
2021-09-14  9:19 ` [PATCH mptcp-next v3 3/8] mptcp: infinite mapping sending Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 4/8] mptcp: add the fallback check Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 5/8] mptcp: infinite mapping receiving Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 6/8] mptcp: add mib for infinite map sending Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 7/8] selftests: mptcp: add infinite map mibs check Geliang Tang
2021-09-14  9:19 ` Geliang Tang [this message]

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