selftests: netdevsim: stop using ifconfig

Paolo points out that ifconfig is legacy and we should not use it.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh

@@ -270,7 +270,7 @@ for port in 0 1; do
 	echo 1 > $NSIM_DEV_SYS/new_port
     fi
     NSIM_NETDEV=`get_netdev_name old_netdevs`
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
 
     msg="new NIC device created"
     exp0=( 0 0 0 0 )
@@ -284,8 +284,8 @@ for port in 0 1; do
 
     msg="VxLAN v4 devices go down"
     exp0=( 0 0 0 0 )
-    ifconfig vxlan1 down
-    ifconfig vxlan0 down
+    ip link set dev vxlan1 down
+    ip link set dev vxlan0 down
     check_tables
 
     msg="VxLAN v6 devices"
@@ -293,7 +293,7 @@ for port in 0 1; do
     new_vxlan vxlanA 4789 $NSIM_NETDEV 6
 
     for ifc in vxlan0 vxlan1; do
-	ifconfig $ifc up
+	ip link set dev $ifc up
     done
 
     new_vxlan vxlanB 4789 $NSIM_NETDEV 6
@@ -307,14 +307,14 @@ for port in 0 1; do
     new_geneve gnv0 6081
 
     msg="NIC device goes down"
-    ifconfig $NSIM_NETDEV down
+    ip link set dev $NSIM_NETDEV down
     if [ $port -eq 1 ]; then
 	exp0=( 0 0 0 0 )
 	exp1=( 0 0 0 0 )
     fi
     check_tables
     msg="NIC device goes up again"
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
     exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
     exp1=( `mke 6081 2` 0 0 0 )
     check_tables
@@ -433,7 +433,7 @@ for port in 0 1; do
 
     echo $port > $NSIM_DEV_SYS/new_port
     NSIM_NETDEV=`get_netdev_name old_netdevs`
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
 
     overflow_table0 "overflow NIC table"
     overflow_table1 "overflow NIC table"
@@ -491,7 +491,7 @@ for port in 0 1; do
 
     echo $port > $NSIM_DEV_SYS/new_port
     NSIM_NETDEV=`get_netdev_name old_netdevs`
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
 
     overflow_table0 "overflow NIC table"
     overflow_table1 "overflow NIC table"
@@ -548,7 +548,7 @@ for port in 0 1; do
 
     echo $port > $NSIM_DEV_SYS/new_port
     NSIM_NETDEV=`get_netdev_name old_netdevs`
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
 
     overflow_table0 "destroy NIC"
     overflow_table1 "destroy NIC"
@@ -578,7 +578,7 @@ for port in 0 1; do
 
     echo $port > $NSIM_DEV_SYS/new_port
     NSIM_NETDEV=`get_netdev_name old_netdevs`
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
 
     msg="create VxLANs v6"
     new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
@@ -639,7 +639,7 @@ for port in 0 1; do
 
     echo $port > $NSIM_DEV_SYS/new_port
     NSIM_NETDEV=`get_netdev_name old_netdevs`
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
 
     echo 110 > $NSIM_DEV_DFS/ports/$port/udp_ports_inject_error
 
@@ -695,7 +695,7 @@ for port in 0 1; do
 
     echo $port > $NSIM_DEV_SYS/new_port
     NSIM_NETDEV=`get_netdev_name old_netdevs`
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
 
     msg="create VxLANs v6"
     exp0=( `mke 10000 1` 0 0 0 )
@@ -755,7 +755,7 @@ for port in 0 1; do
 
     echo $port > $NSIM_DEV_SYS/new_port
     NSIM_NETDEV=`get_netdev_name old_netdevs`
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
 
     msg="create VxLANs v6"
     exp0=( `mke 10000 1` 0 0 0 )
@@ -768,7 +768,7 @@ for port in 0 1; do
     check_tables
 
     msg="NIC device goes down"
-    ifconfig $NSIM_NETDEV down
+    ip link set dev $NSIM_NETDEV down
     if [ $port -eq 1 ]; then
 	exp0=( 0 0 0 0 )
 	exp1=( 0 0 0 0 )
@@ -779,7 +779,7 @@ for port in 0 1; do
     check_tables
 
     msg="NIC device goes up again"
-    ifconfig $NSIM_NETDEV up
+    ip link set dev $NSIM_NETDEV up
     exp0=( `mke 10000 1` 0 0 0 )
     check_tables
 
@@ -827,12 +827,12 @@ new_vxlan vxlan1 4789 $NSIM_NETDEV2
 
 msg="VxLAN v4 devices go down"
 exp0=( 0 0 0 0 )
-ifconfig vxlan1 down
-ifconfig vxlan0 down
+ip link set dev vxlan1 down
+ip link set dev vxlan0 down
 check_tables
 
 for ifc in vxlan0 vxlan1; do
-    ifconfig $ifc up
+    ip link set dev $ifc up
 done
 
 msg="VxLAN v6 device"
@@ -844,11 +844,11 @@ exp1=( `mke 6081 2` 0 0 0 )
 new_geneve gnv0 6081
 
 msg="NIC device goes down"
-ifconfig $NSIM_NETDEV down
+ip link set dev $NSIM_NETDEV down
 check_tables
 
 msg="NIC device goes up again"
-ifconfig $NSIM_NETDEV up
+ip link set dev $NSIM_NETDEV up
 check_tables
 
 for i in `seq 2`; do