Organize codeand potentially increase performance in XDP program.

src/xdp/utils/helpers.c

@@ -8,8 +8,8 @@
  * @param cidr The CIDR range.
  * 
  * @return 1 on yes, 0 on no.
-*/
-static __always_inline u8 IsIpInRange(u32 src_ip, u32 net_ip, u8 cidr)
+ */
+static __always_inline int IsIpInRange(u32 src_ip, u32 net_ip, u8 cidr)
 {
     return !((src_ip ^ net_ip) & htonl(0xFFFFFFFFu << (32 - cidr)));
 }

src/xdp/utils/helpers.h

@@ -28,7 +28,7 @@
 #define memcpy(dest, src, n) __builtin_memcpy((dest), (src), (n))
 #endif
 
-static __always_inline u8 IsIpInRange(u32 src_ip, u32 net_ip, u8 cidr);
+static __always_inline int IsIpInRange(u32 src_ip, u32 net_ip, u8 cidr);
 
 // NOTE: We include the C source file below because we can't link object files which includes the function logic into the main XDP program because we need to ensure the function is always inlined for performance which doesn't work with linked objects.
 // More Info: https://stackoverflow.com/questions/24289599/always-inline-does-not-work-when-function-is-implemented-in-different-file

src/xdp/utils/rl.c

@@ -12,7 +12,7 @@
  * @param now The current time since boot in nanoseconds.alignas
  * 
  * @return void
-*/
+ */
 static __always_inline void UpdateIpStats(u64 *pps, u64 *bps, u32 ip, u16 port, u8 protocol, u16 pkt_len, u64 now)
 {
 #ifdef USE_FLOW_RL
@@ -77,7 +77,7 @@ static __always_inline void UpdateIpStats(u64 *pps, u64 *bps, u32 ip, u16 port,
  * @param now The current time since boot in nanoseconds.alignas
  * 
  * @return void
-*/
+ */
 static __always_inline void UpdateIp6Stats(u64 *pps, u64 *bps, u128 *ip, u16 port, u8 protocol, u16 pkt_len, u64 now)
 {
 #ifdef USE_FLOW_RL