Add atomic counter for iface drop.

src/source-af-packet.c

@@ -480,6 +480,7 @@ static inline void AFPDumpCounters(AFPThreadVars *ptv)
                 kstats.tp_packets, kstats.tp_drops);
         SCPerfCounterAddUI64(ptv->capture_kernel_packets, ptv->tv->sc_perf_pca, kstats.tp_packets);
         SCPerfCounterAddUI64(ptv->capture_kernel_drops, ptv->tv->sc_perf_pca, kstats.tp_drops);
+        (void) SC_ATOMIC_ADD(ptv->livedev->drop, kstats.tp_drops);
     }
 #endif
 }

src/source-pcap.c

@@ -140,6 +140,7 @@ static inline void PcapDumpCounters(PcapThreadVars *ptv)
     if (likely((pcap_stats(ptv->pcap_handle, &pcap_s) >= 0))) {
         SCPerfCounterSetUI64(ptv->capture_kernel_packets, ptv->tv->sc_perf_pca, pcap_s.ps_recv);
         SCPerfCounterSetUI64(ptv->capture_kernel_drops, ptv->tv->sc_perf_pca, pcap_s.ps_drop);
+        (void) SC_ATOMIC_SET(ptv->livedev->drop, pcap_s.ps_drop);
         SCPerfCounterSetUI64(ptv->capture_kernel_ifdrops, ptv->tv->sc_perf_pca, pcap_s.ps_ifdrop);
     }
 }

src/source-pfring.c

@@ -180,6 +180,7 @@ static inline void PfringDumpCounters(PfringThreadVars *ptv)
     if (likely((pfring_stats(ptv->pd, &pfring_s) >= 0))) {
         SCPerfCounterSetUI64(ptv->capture_kernel_packets, ptv->tv->sc_perf_pca, pfring_s.recv);
         SCPerfCounterSetUI64(ptv->capture_kernel_drops, ptv->tv->sc_perf_pca, pfring_s.drop);
+        SC_ATOMIC_SET(ptv->livedev->drop, kstats.tp_drops);
     }
 }
 

src/util-device.c

@@ -49,6 +49,7 @@ int LiveRegisterDevice(char *dev)
 
     pd->dev = SCStrdup(dev);
     SC_ATOMIC_INIT(pd->pkts);
+    SC_ATOMIC_INIT(pd->drop);
     SC_ATOMIC_INIT(pd->invalid_checksums);
     pd->ignore_checksum = 0;
     TAILQ_INSERT_TAIL(&live_devices, pd, next);

src/util-device.h

@@ -26,6 +26,7 @@ typedef struct LiveDevice_ {
     char *dev;  /**< the device (e.g. "eth0") */
     int ignore_checksum;
     SC_ATOMIC_DECLARE(unsigned int, pkts);
+    SC_ATOMIC_DECLARE(unsigned int, drop);
     SC_ATOMIC_DECLARE(unsigned int, invalid_checksums);
     TAILQ_ENTRY(LiveDevice_) next;
 } LiveDevice;