1 #!/bin/sh 2 ################################################################################ 3 ## Copyright (c) Oliver Hartkopp <oliver.hartkopp (at] volkswagen.de>, 2011 ## 4 ## Copyright (c) International Business Machines Corp., 2009 ## 5 ## ## 6 ## This program is free software; you can redistribute it and#or modify ## 7 ## it under the terms of the GNU General Public License as published by ## 8 ## the Free Software Foundation; either version 2 of the License, or ## 9 ## (at your option) any later version. ## 10 ## ## 11 ## This program is distributed in the hope that it will be useful, but ## 12 ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## 13 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## 14 ## for more details. ## 15 ## ## 16 ## You should have received a copy of the GNU General Public License ## 17 ## along with this program; if not, write to the Free Software Foundation, ## 18 ## Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## 19 ## ## 20 ################################################################################ 21 22 TCID="$1" 23 TST_TOTAL=1 24 export TST_COUNT 25 26 . test.sh 27 28 setup() 29 { 30 tst_require_root 31 32 # load needed CAN networklayer modules 33 modprobe can 34 ret=$? 35 if [ $ret -ne 0 ]; then 36 tst_brkm TCONF "modprobe can failed: ret - $ret" 37 fi 38 39 modprobe can_raw 40 ret=$? 41 if [ $ret -ne 0 ]; then 42 tst_brkm TCONF "modprobe can_raw failed: ret - $ret" 43 fi 44 45 # ensure the vcan driver to perform the ECHO on driver level 46 modprobe -r vcan 47 ret=$? 48 if [ $ret -ne 0 ]; then 49 tst_brkm TCONF "modprobe -r vcan failed: ret - $ret" 50 fi 51 52 modprobe vcan echo=1 53 ret=$? 54 if [ $ret -ne 0 ]; then 55 tst_brkm TCONF "modprobe vcan echo=1 failed: ret - $ret" 56 fi 57 58 VCAN=vcan0 59 60 # create virtual CAN device 61 ip link add dev $VCAN type vcan 62 ret=$? 63 if [ $ret -ne 0 ]; then 64 tst_brkm TBROK 65 "ip link add dev $VCAN type vcan failed: ret - $ret" 66 fi 67 68 ip link set dev $VCAN up 69 ret=$? 70 if [ $ret -ne 0 ]; then 71 tst_brkm TBROK "ip link set dev $VCAN up failed: ret - $ret" 72 fi 73 74 # check precondition for CAN frame flow test 75 HAS_ECHO=`ip link show $VCAN | grep -c ECHO` 76 if [ $HAS_ECHO -ne 1 ]; then 77 tst_brkm TBROK "ECHO is not 1" 78 fi 79 } 80 81 cleanup() 82 { 83 ip link set dev $VCAN down 84 ip link del dev $VCAN 85 modprobe -r vcan 86 modprobe -r can_raw 87 modprobe -r can 88 } 89 90 if [ $# -ne 1 ]; then 91 tst_brkm TBROK "Usage: $0 [can_filter | can_rcv_own_msgs]" 92 fi 93 94 setup 95 TST_CLEANUP=cleanup 96 97 "$1" "$VCAN" 98 ret=$? 99 case "$ret" in 100 0) tst_resm TPASS "Test $1 PASS";; 101 1) tst_resm TFAIL "Test $1 FAIL";; 102 32) tst_resm TCONF "$1 is not appropriate for configuration flag";; 103 *) tst_resm TBROK "Invalid resm type $ret";; 104 esac 105 106 tst_exit 107
