The variables 'capture' and 'checksum' are defined in multiple scripts.
So this patch moves them into mptcp_lib.sh as public variables.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
 tools/testing/selftests/net/mptcp/mptcp_connect.sh | 2 --
 tools/testing/selftests/net/mptcp/mptcp_join.sh    | 2 --
 tools/testing/selftests/net/mptcp/mptcp_lib.sh     | 3 +++
 tools/testing/selftests/net/mptcp/simult_flows.sh  | 1 -
 4 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index a2511a37d9ce..59482d5476c2 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -9,7 +9,6 @@ optstring="S:R:d:e:l:r:h4cm:f:tC"
 final_ret=0
 cin_disconnect=""
 ksft_skip=4
-capture=false
 timeout_poll=30
 timeout_test=$((timeout_poll * 2 + 1))
 ipv6=true
@@ -21,7 +20,6 @@ sndbuf=0
 rcvbuf=0
 options_log=true
 do_tcp=0
-checksum=false
 filesize=0
 connect_per_transfer=1
 PORT=0
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 63f89bc9b7aa..d36639e48027 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -22,8 +22,6 @@ iptables="iptables"
 ip6tables="ip6tables"
 timeout_poll=30
 timeout_test=$((timeout_poll * 2 + 1))
-capture=false
-checksum=false
 ip_mptcp=0
 check_invert=0
 validate_checksum=false
diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
index 1d7f69d36b4e..b5f3d5e0f118 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
@@ -23,6 +23,9 @@ readonly AF_INET6=10
 TEST_NAME=""
 TEST_COUNT=0
 
+capture=false
+checksum=false
+
 MPTCP_LIB_SUBTESTS=()
 
 sin=$(mktemp)
diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/testing/selftests/net/mptcp/simult_flows.sh
index de897b226d40..67643ffc5c08 100755
--- a/tools/testing/selftests/net/mptcp/simult_flows.sh
+++ b/tools/testing/selftests/net/mptcp/simult_flows.sh
@@ -4,7 +4,6 @@
 . "$(dirname "${0}")/mptcp_lib.sh"
 
 mptcp_lib_ns_init
-capture=false
 ksft_skip=4
 timeout_poll=30
 timeout_test=$((timeout_poll * 2 + 1))
-- 
2.35.3