Commit fe32dffd authored by Joachim Wiberg's avatar Joachim Wiberg Committed by David S. Miller
Browse files

selftests: forwarding: add TCPDUMP_EXTRA_FLAGS to lib.sh 



For some use-cases we may want to change the tcpdump flags used in
tcpdump_start().  For instance, observing interfaces without the PROMISC
flag, e.g. to see what's really being forwarded to the bridge interface.

Signed-off-by: default avatarJoachim Wiberg <troglobit@gmail.com>
Signed-off-by: default avatarVladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b343734e

tools/testing/selftests/net/forwarding/lib.sh

100644 → 100755
+2 −1
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ LOW_AGEING_TIME=${LOW_AGEING_TIME:=1000} 
REQUIRE_JQ=${REQUIRE_JQ:=yes}

REQUIRE_MZ=${REQUIRE_MZ:=yes}

STABLE_MAC_ADDRS=${STABLE_MAC_ADDRS:=no}

TCPDUMP_EXTRA_FLAGS=${TCPDUMP_EXTRA_FLAGS:=}



relative_path="${BASH_SOURCE%/*}"

if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then
@@ -1405,7 +1406,7 @@ tcpdump_start() 
		capuser="-Z $SUDO_USER"

	fi



	$ns_cmd tcpdump -e -n -Q in -i $if_name \

	$ns_cmd tcpdump $TCPDUMP_EXTRA_FLAGS -e -n -Q in -i $if_name \

		-s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &

	cappid=$!