af-packet: code cleaning and comments

src/runmode-af-packet.c

@@ -372,7 +372,7 @@ static void *ParseAFPConfig(const char *iface)
         aconf->ebpf_lb_file = NULL;
     } else {
 #ifdef HAVE_PACKET_EBPF
-        SCLogInfo("af-packet will use '%s' as eBPF load balancing file",
+        SCLogConfig("af-packet will use '%s' as eBPF load balancing file",
                   ebpf_file);
 #endif
         aconf->ebpf_lb_file = ebpf_file;
@@ -397,7 +397,7 @@ static void *ParseAFPConfig(const char *iface)
         aconf->ebpf_filter_file = NULL;
     } else {
 #ifdef HAVE_PACKET_EBPF
-        SCLogInfo("af-packet will use '%s' as eBPF filter file",
+        SCLogConfig("af-packet will use '%s' as eBPF filter file",
                   ebpf_file);
 #endif
         aconf->ebpf_filter_file = ebpf_file;

src/source-af-packet.c

@@ -2259,6 +2259,7 @@ TmEcode AFPSetBPFFilter(AFPThreadVars *ptv)
  * \param mapfd file descriptor of the protocol bypass table
  * \param key data to use as key in the table
  * \param inittime time of creation of the entry (in monotonic clock)
+ * \return 0 in case of error, 1 if success
  */
 static int AFPInsertHalfFlow(int mapd, void *key, uint64_t inittime)
 {
@@ -2292,6 +2293,9 @@ static int AFPInsertHalfFlow(int mapd, void *key, uint64_t inittime)
 }
 #endif
 
+/**
+ * Bypass function for AF_PACKET capture
+ */
 static int AFPBypassCallback(Packet *p)
 {
 #ifdef HAVE_PACKET_EBPF