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From: Geliang Tang <geliangtang@gmail.com>
To: mptcp@lists.linux.dev, geliangtang@gmail.com
Cc: Geliang Tang <geliangtang@xiaomi.com>
Subject: [PATCH mptcp-next v2 9/9] DO-NOT-MERGE: mptcp: mp_fail test
Date: Thu,  9 Sep 2021 19:51:11 +0800	[thread overview]
Message-ID: <5afb788b507a63f31f390c512fb5eedb464dd01e.1631188109.git.geliangtang@xiaomi.com> (raw)
In-Reply-To: <cover.1631188109.git.geliangtang@xiaomi.com>

From: Geliang Tang <geliangtang@xiaomi.com>

./mptcp_join.sh -Cf

Signed-off-by: Geliang Tang <geliangtang@xiaomi.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 7036c78ccef2..10d15e93d70b 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -1296,6 +1296,8 @@ static void mptcp_update_infinite_mapping(struct mptcp_sock *msk, struct mptcp_e
 	__mptcp_do_infinite(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)
@@ -1430,6 +1432,13 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
 		mptcp_update_data_checksum(skb, copy);
 	if (READ_ONCE(msk->snd_infinite_mapping_enable))
 		mptcp_update_infinite_mapping(msk, 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:[~2021-09-09 11:51 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-09 11:51 [PATCH mptcp-next v2 0/9] The infinite mapping support Geliang Tang
2021-09-09 11:51 ` [PATCH mptcp-next v2 1/9] mptcp: add noncontiguous flag Geliang Tang
2021-09-09 13:25   ` Paolo Abeni
2021-09-10  0:00     ` Mat Martineau
2021-09-10 15:08       ` Paolo Abeni
2021-09-10 16:49         ` Mat Martineau
2021-09-09 11:51 ` [PATCH mptcp-next v2 2/9] mptcp: add MPTCP_INFINITE_DONE flag Geliang Tang
2021-09-09 13:31   ` Paolo Abeni
2021-09-09 11:51 ` [PATCH mptcp-next v2 3/9] mptcp: add MAPPING_INFINITE mapping status Geliang Tang
2021-09-09 13:39   ` Paolo Abeni
2021-09-10  0:21     ` Mat Martineau
2021-09-10 15:23       ` Paolo Abeni
2021-09-10 17:22         ` Mat Martineau
2021-09-09 11:51 ` [PATCH mptcp-next v2 4/9] mptcp: add start_seq in the msk Geliang Tang
2021-09-10  0:39   ` Mat Martineau
2021-09-09 11:51 ` [PATCH mptcp-next v2 5/9] mptcp: infinite mapping sending Geliang Tang
2021-09-09 13:54   ` Paolo Abeni
2021-09-09 11:51 ` [PATCH mptcp-next v2 6/9] mptcp: infinite mapping receiving Geliang Tang
2021-09-09 13:55   ` Paolo Abeni
2021-09-09 11:51 ` [PATCH mptcp-next v2 7/9] mptcp: add a mib for the infinite mapping sending Geliang Tang
2021-09-09 11:51 ` [PATCH mptcp-next v2 8/9] selftests: mptcp: add infinite map mibs check Geliang Tang
2021-09-09 11:51 ` Geliang Tang [this message]
2021-09-09 14:23   ` [PATCH mptcp-next v2 9/9] DO-NOT-MERGE: mptcp: mp_fail test Paolo Abeni
2021-09-22  3:50     ` Geliang Tang

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