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authorMarco Platania <platania@research.att.com>2017-06-05 15:35:45 -0400
committerMarco Platania <platania@research.att.com>2017-06-05 15:35:45 -0400
commit9f94d8c2fd838c1607f630dfdd5f936605d9873f (patch)
treea9d3150f74a788bdb829e8a8dd6f95d722ca4af4 /vnfs/vFW/scripts/v_firewall_init.sh
parenta8a9fec9dd7ab059c46a686d81a9b2c41537d6b8 (diff)
Parametrize CIDR and Netmask in the demos
Change-Id: I01f46fc1ee5cd1774e3db2e3381081dc9fc4c967 Signed-off-by: Marco Platania <platania@research.att.com>
Diffstat (limited to 'vnfs/vFW/scripts/v_firewall_init.sh')
-rw-r--r--vnfs/vFW/scripts/v_firewall_init.sh30
1 files changed, 28 insertions, 2 deletions
diff --git a/vnfs/vFW/scripts/v_firewall_init.sh b/vnfs/vFW/scripts/v_firewall_init.sh
index d277af04..75a55bee 100644
--- a/vnfs/vFW/scripts/v_firewall_init.sh
+++ b/vnfs/vFW/scripts/v_firewall_init.sh
@@ -1,5 +1,26 @@
#!/bin/bash
+# Convert Network CIDR to Netmask
+mask2cidr() {
+ nbits=0
+ IFS=.
+ for dec in $1 ; do
+ case $dec in
+ 255) let nbits+=8;;
+ 254) let nbits+=7;;
+ 252) let nbits+=6;;
+ 248) let nbits+=5;;
+ 240) let nbits+=4;;
+ 224) let nbits+=3;;
+ 192) let nbits+=2;;
+ 128) let nbits+=1;;
+ 0);;
+ *) echo "Error: $dec is not recognized"; exit 1
+ esac
+ done
+ echo "$nbits"
+}
+
# Start VPP
start vpp
sleep 1
@@ -12,6 +33,11 @@ HWADDR2=$(ifconfig eth2 | grep HWaddr | tr -s ' ' | cut -d' ' -f5)
FAKE_HWADDR1=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null | hexdump -v -e '/1 ":%02X"')
FAKE_HWADDR2=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null | hexdump -v -e '/1 ":%02X"')
+IPADDR1_MASK=$(ifconfig eth1 | grep "Mask" | awk '{print $4}' | awk -F ":" '{print $2}')
+IPADDR1_CIDR=$(mask2cidr $IPADDR1_MASK)
+IPADDR2_MASK=$(ifconfig eth2 | grep "Mask" | awk '{print $4}' | awk -F ":" '{print $2}')
+IPADDR2_CIDR=$(mask2cidr $IPADDR2_MASK)
+
ifconfig eth1 down
ifconfig eth2 down
ifconfig eth1 hw ether $FAKE_HWADDR1
@@ -22,8 +48,8 @@ ifconfig eth1 up
ifconfig eth2 up
vppctl tap connect tap111 hwaddr $HWADDR1
vppctl tap connect tap222 hwaddr $HWADDR2
-vppctl set int ip address tap-0 $IPADDR1"/24"
-vppctl set int ip address tap-1 $IPADDR2"/24"
+vppctl set int ip address tap-0 $IPADDR1"/"$IPADDR1_CIDR
+vppctl set int ip address tap-1 $IPADDR2"/"$IPADDR2_CIDR
vppctl set int state tap-0 up
vppctl set int state tap-1 up
brctl addbr br0