Update README.md

README.md

@@ -24,7 +24,7 @@ Remove the kernel module from the system
 ```
 sudo make uninstall
 ```
-### Checkout Rules
+### Check Rules
 Get PDR/FAR/QER information by "/proc"
 ```
 # if UPF used legacy netlink struct without SEID, need use #SEID=0 to query related info as below:
@@ -38,8 +38,8 @@ cat /proc/gtp5g/far
 cat /proc/gtp5g/qer
 ```
 
-### QoS Enable
-Support Session AMBR and MFBR
+### Enable/Disable QoS (Default is disabled)
+Support Session AMBR and MFBR.
 
 1) Check whether QoS is enabled or disabled. (1 means enabled, 0 means disabled)
     ```
@@ -55,6 +55,23 @@ Support Session AMBR and MFBR
         echo 0 >  /proc/gtp5g/qos
         ```
 
+### Enable/Disable GTP-U Sequence Number (Default is enabled)
+Support GTP-U Sequence Number.
+
+1) Check whether GTP-U Sequence Number is enabled or disabled. (1 means enabled, 0 means disabled)
+    ```
+    cat /proc/gtp5g/seq
+    ```
+2) Enable or disable GTP-U Sequence Number
+   + enable
+        ```
+        echo 1 >  /proc/gtp5g/seq
+        ```
+   + disable
+        ```
+        echo 0 >  /proc/gtp5g/seq
+        ```
+
 ### Log Related
 1) check log
     ```