net: Add $TST_NET_DATAROOT variable

Because $LTPROOT/testcases/bin/datafiles is used only by network tests,
once all network tests are rewritten into new API, it should the
location should be changed into some network specific path.

Reviewed-by: Alexey Kodanev <[email protected]>
Signed-off-by: Petr Vorel <[email protected]>

Author: pevik

testcases/lib/tst_net.sh

@@ -888,6 +888,8 @@ if [ -z "$_tst_net_parse_variables" ]; then
 	export _tst_net_parse_variables="yes"
 fi
 
+export TST_NET_DATAROOT="$LTPROOT/testcases/bin/datafiles"
+
 export TST_NETLOAD_CLN_REQUESTS="${TST_NETLOAD_CLN_REQUESTS:-10000}"
 export TST_NETLOAD_CLN_NUMBER="${TST_NETLOAD_CLN_NUMBER:-2}"
 export TST_NETLOAD_BINDTODEVICE="${TST_NETLOAD_BINDTODEVICE-1}"

testcases/lib/tst_test.sh

@@ -506,7 +506,7 @@ tst_run()
 			NEEDS_DRIVERS|FS_TYPE|MNTPOINT|MNT_PARAMS);;
 			IPV6|IPVER|TEST_DATA|TEST_DATA_IFS);;
 			RETRY_FUNC|RETRY_FN_EXP_BACKOFF|TIMEOUT);;
-			NET_MAX_PKT);;
+			NET_DATAROOT|NET_MAX_PKT);;
 			*) tst_res TWARN "Reserved variable TST_$_tst_i used!";;
 			esac
 		done