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[net-next,1/4] selftests: mptcp: set all env vars as local ones

Message ID 20230712-upstream-net-next-20230712-selftests-mptcp-use-local-env-v1-1-f1c8b62fbf95@tessares.net (mailing list archive)
State Accepted
Commit 662aa22d7dcdc4806a44038c8f0015e559d46c6d
Headers show
Series selftests: mptcp: join: pass args in new env vars | expand

Commit Message

Matthieu Baerts July 12, 2023, 4:03 p.m. UTC 
From: Geliang Tang <geliang.tang@suse.com>

It would be better to move the declaration of all the env variables to
do_transfer(), run_tests(), or pm_nl_set_endpoint() as local variables,
instead of exporting them globally at the beginning of the file.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)
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Patch

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index e6c9d5451c5b..b0aaeead56c4 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -49,11 +49,12 @@  TEST_COUNT=0
 TEST_NAME=""
 nr_blank=40
 
-export FAILING_LINKS=""
-export test_linkfail=0
-export addr_nr_ns1=0
-export addr_nr_ns2=0
-export sflags=""
+# These var are used only in some tests, make sure they are not already set
+unset FAILING_LINKS
+unset test_linkfail
+unset addr_nr_ns1
+unset addr_nr_ns2
+unset sflags
 
 # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
 #				  (ip6 && (ip6[74] & 0xf0) == 0x30)'"
@@ -100,7 +101,6 @@  init_partial()
 	stats_dumped=0
 	check_invert=0
 	validate_checksum=$checksum
-	FAILING_LINKS=""
 
 	#  ns1         ns2
 	# ns1eth1    ns2eth1
@@ -828,6 +828,10 @@  pm_nl_set_endpoint()
 	local connector_ns="$2"
 	local connect_addr="$3"
 
+	local addr_nr_ns1=${addr_nr_ns1:-0}
+	local addr_nr_ns2=${addr_nr_ns2:-0}
+	local sflags=${sflags:-""}
+
 	# let the mptcp subflow be established in background before
 	# do endpoint manipulation
 	if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then
@@ -979,6 +983,7 @@  do_transfer()
 
 	local port=$((10000 + TEST_COUNT - 1))
 	local cappid
+	local FAILING_LINKS=${FAILING_LINKS:-""}
 
 	:> "$cout"
 	:> "$sout"
@@ -1158,6 +1163,7 @@  run_tests()
 	local speed="${4:-fast}"
 
 	local size
+	local test_linkfail=${test_linkfail:-0}
 
 	# The values above 2 are reused to make test files
 	# with the given sizes (KB)