Silently skip ETHERTYPE_FLOWCONTROL frames in nfpcapd

Author: phaag

src/nfpcapd/pcaproc.c

@@ -715,9 +715,10 @@ int ProcessPacket(packetParam_t *packetParam, const struct pcap_pkthdr *hdr, con
             packetParam->proc_stat.skipped++;
             goto END_FUNC;
         } break;
-        case ETHERTYPE_ARP:       // skip ARP
-        case ETHERTYPE_LOOPBACK:  // skip Loopback
-        case ETHERTYPE_LLDP:      // skip LLDP
+        case ETHERTYPE_ARP:          // skip ARP
+        case ETHERTYPE_LOOPBACK:     // skip Loopback
+        case ETHERTYPE_LLDP:         // skip LLDP
+        case ETHERTYPE_FLOWCONTROL:  // skip flow control
             goto END_FUNC;
             break;
         default:

src/nfpcapd/pcaproc.h

@@ -87,6 +87,10 @@
 #define ETHERTYPE_LLDP 0x88CC
 #endif
 
+#ifndef ETHERTYPE_FLOWCONTROL
+#define ETHERTYPE_FLOWCONTROL 0x8808
+#endif
+
 #ifndef ETHERTYPE_LOOPBACK
 #define ETHERTYPE_LOOPBACK 0x9000
 #endif