#!/bin/sh ################################################################################ ## Copyright (c) Oliver Hartkopp , 2011 ## ## Copyright (c) International Business Machines Corp., 2009 ## ## ## ## This program is free software; you can redistribute it and#or modify ## ## it under the terms of the GNU General Public License as published by ## ## the Free Software Foundation; either version 2 of the License, or ## ## (at your option) any later version. ## ## ## ## This program is distributed in the hope that it will be useful, but ## ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## ## for more details. ## ## ## ## You should have received a copy of the GNU General Public License ## ## along with this program; if not, write to the Free Software Foundation, ## ## Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## ## ## ################################################################################ TCID="$1" TST_TOTAL=1 export TST_COUNT . test.sh setup() { tst_require_root # load needed CAN networklayer modules modprobe can ret=$? if [ $ret -ne 0 ]; then tst_brkm TCONF "modprobe can failed: ret - $ret" fi modprobe can_raw ret=$? if [ $ret -ne 0 ]; then tst_brkm TCONF "modprobe can_raw failed: ret - $ret" fi # ensure the vcan driver to perform the ECHO on driver level modprobe -r vcan ret=$? if [ $ret -ne 0 ]; then tst_brkm TCONF "modprobe -r vcan failed: ret - $ret" fi modprobe vcan echo=1 ret=$? if [ $ret -ne 0 ]; then tst_brkm TCONF "modprobe vcan echo=1 failed: ret - $ret" fi VCAN=vcan0 # create virtual CAN device ip link add dev $VCAN type vcan ret=$? if [ $ret -ne 0 ]; then tst_brkm TBROK \ "ip link add dev $VCAN type vcan failed: ret - $ret" fi ip link set dev $VCAN up ret=$? if [ $ret -ne 0 ]; then tst_brkm TBROK "ip link set dev $VCAN up failed: ret - $ret" fi # check precondition for CAN frame flow test HAS_ECHO=`ip link show $VCAN | grep -c ECHO` if [ $HAS_ECHO -ne 1 ]; then tst_brkm TBROK "ECHO is not 1" fi } cleanup() { ip link set dev $VCAN down ip link del dev $VCAN modprobe -r vcan modprobe -r can_raw modprobe -r can } if [ $# -ne 1 ]; then tst_brkm TBROK "Usage: $0 [can_filter | can_rcv_own_msgs]" fi setup TST_CLEANUP=cleanup "$1" "$VCAN" ret=$? case "$ret" in 0) tst_resm TPASS "Test $1 PASS";; 1) tst_resm TFAIL "Test $1 FAIL";; 32) tst_resm TCONF "$1 is not appropriate for configuration flag";; *) tst_resm TBROK "Invalid resm type $ret";; esac tst_exit