update upf configure content

etc/upf.yaml

 vpp:
   system:
-    gtpu_entry_ip: 192.168.10.40
-    gtpu_export_ip: 192.168.50.10
+    gtpu_entry_ip: 192.168.2.182
+    gtpu_export_ip: 192.168.2.22
   ip_link:
-    ueip: 192.169.0.0
-    ueIPPrefix: 24
-    snatInter: ens32
-    snatIP: 192.168.2.78
-    vppHost: ens35
-    vppHostIP: 192.168.50.11
+    vppHostIP: 192.168.2.1
     gtpu_entry: ens33
     gtpu_export: ens34
     cpu: 3f
 n4:
-  smf: 192.168.2.39
-  upf: 192.168.2.78
+  smf: 192.168.2.35
+  upf: 192.168.2.21
   logSize: 100

scripts/run_upf.sh

@@ -42,16 +42,7 @@ function init_configure(){
   cp -r  $configure/template  /opt/5gc
   $base/plugin/configure -i $yaml -o /opt/5gc
   cp $base/plugin/yq $current
-  # arp
-  UEIP=$($current/yq r $yaml vpp.ip_link.ueip)
-  PREFIX=$($current/yq r $yaml vpp.ip_link.ueIPPrefix)
-  INTER=$($current/yq r $yaml vpp.ip_link.vppHost)
-  VPPEXPORT=$($current/yq r $yaml vpp.system.gtpu_export_ip)
-  MAC=$(ifconfig $INTER|grep ether|awk '{print $2}')
   # nat
-  UE_IP=$($current/yq r $yaml vpp.ip_link.ueip)
-  UE_IP_PREFIX=$($current/yq r $yaml vpp.ip_link.ueIPPrefix)
-  SNAT_INTER=$($current/yq r $yaml vpp.ip_link.snatInter)
   SNAT_IP=$($current/yq r $yaml vpp.ip_link.snatIP)
   VPPHOST=$($current/yq r $yaml vpp.ip_link.vppHost)
   DPDK_EXPORT=$($current/yq r $yaml vpp.ip_link.gtpu_export)
@@ -65,7 +56,6 @@ function start_vpp() {
   cmd="$VPPCMD"
 
   install_dpdk_kmod
-  run_nat
   $base/plugin/interreput -i $CPUNUMBER
   echo Y | sudo tee /sys/module/vfio/parameters/enable_unsafe_noiommu_mode
   $cmd >/dev/null 2>&1 &
@@ -88,6 +78,7 @@ function start_n4() {
   else
     echo "n4 $pid2 startup success"
   fi
+  exit 0
 }
 
 function start_arp() {
@@ -128,6 +119,7 @@ function close_n4() {
     echo "kill n4 $pid"
     kill -9 ${pid}
   fi
+  exit 0
 }
 
 function close_arp() {
@@ -160,34 +152,6 @@ function exec_result()
 
 }
 
-
-function run_nat(){
-echo  "$UE_IP"
-echo  "$UE_IP_PREFIX"
-echo  "$SNAT_INTER"
-echo  "$SNAT_IP"
-echo  "$VPPHOST"
-echo  "$DPDK_EXPORT"
-echo  "$DPDK_ENTRY"
-sudo  ifconfig $DPDK_EXPORT down
-sudo  ifconfig $DPDK_ENTRY  down
-
-sudo ethtool -K "$SNAT_INTER"   gro off;
-sudo ethtool -K "$SNAT_INTER"   tso off;
-sudo ethtool -K "$SNAT_INTER"   sg  off;
-
-#del
-sudo iptables -t nat  -D POSTROUTING -s "$UE_IP/$UE_IP_PREFIX" -j SNAT --to-source "$SNAT_IP"
-iptables -t mangle -D POSTROUTING -p tcp --tcp-flags SYN,RST SYN -o "$SNAT_INTER" -j TCPMSS --set-mss 1300
-
-#add
-sudo iptables -t nat  -A POSTROUTING -s "$UE_IP/$UE_IP_PREFIX" -j SNAT --to-source "$SNAT_IP"
-iptables -t mangle -A POSTROUTING -p tcp --tcp-flags SYN,RST SYN -o "$SNAT_INTER" -j TCPMSS --set-mss 1300
-
-#system
-echo "1" > /proc/sys/net/ipv4/ip_forward
-}
-
 function help()
 {
   echo " "
@@ -233,14 +197,11 @@ function main() {
       init_configure $2
       start_vpp
       start_n4
-      start_arp
       shift
       ;;
     --close)
      close_vpp
       close_n4
-      close_arp
-    #  unbind
       shift
       ;;
     esac