fix bpf helper num

Signed-off-by: lec-bit <[email protected]>

Author: lec-bit

bpf/include/bpf_helper_defs_ext.h

@@ -10,6 +10,10 @@
  * By default, these IDs are in the 5.10 kernel with kmesh kernel patches.
  */
 
+#define bpf_km_header_strnstr_num 175
+#define bpf_km_header_strncmp_num 176
+#define bpf_parse_header_msg_num 177
+
 /*
  * Description
  *      Look for the string corresponding to the key in the results of the
@@ -19,7 +23,7 @@
  *      If found, return 1; otherwise, return 0.
  */
 static long (*bpf_km_header_strnstr)(
-    struct bpf_sock_addr *ctx, const char *key, int key_sz, const char *subptr, int subptr_sz) = (void *)175;
+    struct bpf_sock_addr *ctx, const char *key, int key_sz, const char *subptr, int subptr_sz) = (void *)bpf_km_header_strnstr_num;
 
 /*
  * Description
@@ -31,7 +35,7 @@ static long (*bpf_km_header_strnstr)(
  *      If the strings are same, return 0.
  */
 static long (*bpf_km_header_strncmp)(const char *key, int key_sz, const char *target, int target_sz, int opt) =
-    (void *)176;
+    (void *)bpf_km_header_strncmp_num;
 
 /*
  * Description
@@ -43,4 +47,4 @@ static long (*bpf_km_header_strncmp)(const char *key, int key_sz, const char *ta
  *      A HTTP PROTO TYPE is returned on success.
  *      **PROTO_UNKNOW** is returned if failure.
  */
-static long (*bpf_parse_header_msg)(struct bpf_sock_addr *ctx) = (void *)177;
+static long (*bpf_parse_header_msg)(struct bpf_sock_addr *ctx) = (void *)bpf_parse_header_msg_num;

kmesh_bpf_env.sh

@@ -17,6 +17,6 @@ for name in ${helper_name[@]}; do
 	current_line=`grep -nr "FN($name)" $KERNEL_HEADER_LINUX_BPF | awk -F ":" {'print $1'}`
 	if [ -n "$current_line" ]; then
 		helper_id=`expr $current_line - $base_line`
-		sed -Ei "/$name/s/([0-9]+)[^0-9]*$/$helper_id;/" $ROOT_DIR/bpf/include/bpf_helper_defs_ext.h
+		sed -Ei "/${name}_num/s/([0-9]+)[^0-9]*$/$helper_id/" $ROOT_DIR/bpf/include/bpf_helper_defs_ext.h
 	fi
 done