]> arthur.barton.de Git - netdata.git/blobdiff - src/freebsd_sysctl.c
Separate net.inet6.ip6.stats module
[netdata.git] / src / freebsd_sysctl.c
index e85433cdc97fab83c18bd295cb94959b9c2f7300..76417131f3b311a628a7c22ba0dbb6349196bc09 100644 (file)
@@ -1189,91 +1189,56 @@ int do_kern_ipc_msq(int update_every, usec_t dt) {
 }
 
 // --------------------------------------------------------------------------------------------------------------------
-// old sources
+// uptime
 
-int do_freebsd_sysctl_old(int update_every, usec_t dt) {
-    static int do_disk_io = -1,
-        do_netisr = -1, do_netisr_per_core = -1, do_bandwidth = -1,
-        do_tcp_sockets = -1, do_tcp_packets = -1, do_tcp_errors = -1, do_tcp_handshake = -1,
-        do_ecn = -1, do_tcpext_syscookies = -1, do_tcpext_ofo = -1, do_tcpext_connaborts = -1,
-        do_udp_packets = -1, do_udp_errors = -1, do_icmp_packets = -1, do_icmpmsg = -1,
-        do_ip_packets = -1, do_ip_fragsout = -1, do_ip_fragsin = -1, do_ip_errors = -1,
-        do_ip6_packets = -1, do_ip6_fragsout = -1, do_ip6_fragsin = -1, do_ip6_errors = -1,
-        do_icmp6 = -1, do_icmp6_redir = -1, do_icmp6_errors = -1, do_icmp6_echos = -1, do_icmp6_router = -1,
-        do_icmp6_neighbor = -1, do_icmp6_types = -1, do_space = -1, do_inodes = -1, do_uptime = -1;
+int do_uptime(int update_every, usec_t dt) {
+    struct timespec up_time;
 
-    if (unlikely(do_uptime == -1)) {
-        do_disk_io              = config_get_boolean("plugin:freebsd:sysctl", "stats for all disks", 1);
-        do_netisr               = config_get_boolean("plugin:freebsd:sysctl", "netisr", 1);
-        do_netisr_per_core      = config_get_boolean("plugin:freebsd:sysctl", "netisr per core", 1);
-        do_bandwidth            = config_get_boolean("plugin:freebsd:sysctl", "bandwidth", 1);
-        do_tcp_sockets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP connections", 1);
-        do_tcp_packets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP packets", 1);
-        do_tcp_errors           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP errors", 1);
-        do_tcp_handshake        = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP handshake issues", 1);
-        do_ecn                  = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ECN packets", CONFIG_BOOLEAN_AUTO);
-        do_tcpext_syscookies    = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP SYN cookies", CONFIG_BOOLEAN_AUTO);
-        do_tcpext_ofo           = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP out-of-order queue", CONFIG_BOOLEAN_AUTO);
-        do_tcpext_connaborts    = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP connection aborts", CONFIG_BOOLEAN_AUTO);
-        do_udp_packets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP packets", 1);
-        do_udp_errors           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP errors", 1);
-        do_icmp_packets         = config_get_boolean("plugin:freebsd:sysctl", "ipv4 ICMP packets", 1);
-        do_icmpmsg              = config_get_boolean("plugin:freebsd:sysctl", "ipv4 ICMP messages", 1);
-        do_ip_packets           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 packets", 1);
-        do_ip_fragsout          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 fragments sent", 1);
-        do_ip_fragsin           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 fragments assembly", 1);
-        do_ip_errors            = config_get_boolean("plugin:freebsd:sysctl", "ipv4 errors", 1);
-        do_ip6_packets          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 packets", CONFIG_BOOLEAN_AUTO);
-        do_ip6_fragsout         = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 fragments sent", CONFIG_BOOLEAN_AUTO);
-        do_ip6_fragsin          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 fragments assembly", CONFIG_BOOLEAN_AUTO);
-        do_ip6_errors           = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 errors", CONFIG_BOOLEAN_AUTO);
-        do_icmp6                = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp", CONFIG_BOOLEAN_AUTO);
-        do_icmp6_redir          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp redirects", CONFIG_BOOLEAN_AUTO);
-        do_icmp6_errors         = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp errors", CONFIG_BOOLEAN_AUTO);
-        do_icmp6_echos          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp echos", CONFIG_BOOLEAN_AUTO);
-        do_icmp6_router         = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp router", CONFIG_BOOLEAN_AUTO);
-        do_icmp6_neighbor       = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp neighbor", CONFIG_BOOLEAN_AUTO);
-        do_icmp6_types          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp types", CONFIG_BOOLEAN_AUTO);
-        do_space                = config_get_boolean("plugin:freebsd:sysctl", "space usage for all disks", 1);
-        do_inodes               = config_get_boolean("plugin:freebsd:sysctl", "inodes usage for all disks", 1);
-        do_uptime               = config_get_boolean("plugin:freebsd:sysctl", "system uptime", 1);
+    clock_gettime(CLOCK_UPTIME, &up_time);
+
+    // --------------------------------------------------------------------
+
+    static RRDSET *st = NULL;
+    static RRDDIM *rd = NULL;
+
+    if(unlikely(!st)) {
+        st = rrdset_create_localhost("system",
+                                     "uptime",
+                                     NULL,
+                                     "uptime",
+                                     NULL,
+                                     "System Uptime",
+                                     "seconds",
+                                     1000,
+                                     update_every,
+                                     RRDSET_TYPE_LINE
+        );
+
+        rd = rrddim_add(st, "uptime", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
     }
+    else rrdset_next(st);
 
-    RRDSET *st;
-    RRDDIM *rd;
+    rrddim_set_by_pointer(st, rd, up_time.tv_sec);
+    rrdset_done(st);
 
-    int ncpus;
-    int i, n;
-    void *p;
-    int common_error = 0;
-    size_t size;
-    char title[4096 + 1];
+    return 0;
+}
 
-    // NEEDED BY: do_disk_io
-    #define RRD_TYPE_DISK "disk"
-    #define BINTIME_SCALE 5.42101086242752217003726400434970855712890625e-17 // this is 1000/2^64
-    int numdevs;
-    static void *devstat_data = NULL;
-    struct devstat *dstat;
-    char disk[DEVSTAT_NAME_LEN + MAX_INT_DIGITS + 1];
-    struct cur_dstat {
-        collected_number duration_read_ms;
-        collected_number duration_write_ms;
-        collected_number busy_time_ms;
-    } cur_dstat;
-    struct prev_dstat {
-        collected_number bytes_read;
-        collected_number bytes_write;
-        collected_number operations_read;
-        collected_number operations_write;
-        collected_number duration_read_ms;
-        collected_number duration_write_ms;
-        collected_number busy_time_ms;
-    } prev_dstat;
+// --------------------------------------------------------------------------------------------------------------------
+// net.isr
+
+int do_net_isr(int update_every, usec_t dt) {
+    static int do_netisr = -1, do_netisr_per_core = -1;
 
-    // NEEDED BY: do_netisr, do_netisr_per_core
-    size_t netisr_workstream_size;
-    size_t netisr_work_size;
+    if (unlikely(do_netisr == -1)) {
+        do_netisr =          config_get_boolean("plugin:freebsd:sysctl", "netisr",          1);
+        do_netisr_per_core = config_get_boolean("plugin:freebsd:sysctl", "netisr per core", 1);
+    }
+
+    static int mib_workstream[3] = {0, 0, 0}, mib_work[3] = {0, 0, 0};
+    int common_error = 0;
+    int i, n;
+    size_t netisr_workstream_size, netisr_work_size;
     unsigned long num_netisr_workstreams = 0, num_netisr_works = 0;
     static struct sysctl_netisr_workstream *netisr_workstream = NULL;
     static struct sysctl_netisr_work *netisr_work = NULL;
@@ -1283,802 +1248,1343 @@ int do_freebsd_sysctl_old(int update_every, usec_t dt) {
         collected_number qdrops;
         collected_number queued;
     } *netisr_stats = NULL;
-    char netstat_cpuid[21]; // no more than 4 digits expected
 
-    // NEEDED BY: do_bandwidth
-    #define IFA_DATA(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
-    struct ifaddrs *ifa, *ifap;
-    struct iftot {
-        u_long  ift_ibytes;
-        u_long  ift_obytes;
-    } iftot = {0, 0};
+    if (likely(do_netisr || do_netisr_per_core)) {
+        if (unlikely(GETSYSCTL_SIZE("net.isr.workstream", mib_workstream, netisr_workstream_size))) {
+            common_error = 1;
+        } else if (unlikely(GETSYSCTL_SIZE("net.isr.work", mib_work, netisr_work_size))) {
+            common_error = 1;
+        } else {
+            num_netisr_workstreams = netisr_workstream_size / sizeof(struct sysctl_netisr_workstream);
+            netisr_workstream = reallocz(netisr_workstream, num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream));
+            if (unlikely(GETSYSCTL_WSIZE("net.isr.workstream", mib_workstream, netisr_workstream,
+                                           num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream)))){
+                common_error = 1;
+            } else {
+                num_netisr_works = netisr_work_size / sizeof(struct sysctl_netisr_work);
+                netisr_work = reallocz(netisr_work, num_netisr_works * sizeof(struct sysctl_netisr_work));
+                if (unlikely(GETSYSCTL_WSIZE("net.isr.work", mib_work, netisr_work,
+                                               num_netisr_works * sizeof(struct sysctl_netisr_work)))){
+                    common_error = 1;
+                }
+            }
+        }
+        if (unlikely(common_error)) {
+            do_netisr = 0;
+            error("DISABLED: system.softnet_stat chart");
+            do_netisr_per_core = 0;
+            error("DISABLED: system.cpuX_softnet_stat chart");
+            common_error = 0;
+            error("DISABLED: net.isr module");
+            return 1;
+        } else {
+            netisr_stats = reallocz(netisr_stats, (number_of_cpus + 1) * sizeof(struct netisr_stats));
+            bzero(netisr_stats, (number_of_cpus + 1) * sizeof(struct netisr_stats));
+            for (i = 0; i < num_netisr_workstreams; i++) {
+                for (n = 0; n < num_netisr_works; n++) {
+                    if (netisr_workstream[i].snws_wsid == netisr_work[n].snw_wsid) {
+                        netisr_stats[netisr_workstream[i].snws_cpu].dispatched += netisr_work[n].snw_dispatched;
+                        netisr_stats[netisr_workstream[i].snws_cpu].hybrid_dispatched += netisr_work[n].snw_hybrid_dispatched;
+                        netisr_stats[netisr_workstream[i].snws_cpu].qdrops += netisr_work[n].snw_qdrops;
+                        netisr_stats[netisr_workstream[i].snws_cpu].queued += netisr_work[n].snw_queued;
+                    }
+                }
+            }
+            for (i = 0; i < number_of_cpus; i++) {
+                netisr_stats[number_of_cpus].dispatched += netisr_stats[i].dispatched;
+                netisr_stats[number_of_cpus].hybrid_dispatched += netisr_stats[i].hybrid_dispatched;
+                netisr_stats[number_of_cpus].qdrops += netisr_stats[i].qdrops;
+                netisr_stats[number_of_cpus].queued += netisr_stats[i].queued;
+            }
+        }
+    } else {
+        error("DISABLED: net.isr module");
+        return 1;
+    }
+
+    // --------------------------------------------------------------------
+
+    if (likely(do_netisr)) {
+        static RRDSET *st = NULL;
+        static RRDDIM *rd_dispatched = NULL, *rd_hybrid_dispatched = NULL, *rd_qdrops = NULL, *rd_queued = NULL;
+
+        if (unlikely(!st)) {
+            st = rrdset_create_localhost("system",
+                                         "softnet_stat",
+                                         NULL,
+                                         "softnet_stat",
+                                         NULL,
+                                         "System softnet_stat",
+                                         "events/s",
+                                         955,
+                                         update_every,
+                                         RRDSET_TYPE_LINE
+            );
+
+            rd_dispatched        = rrddim_add(st, "dispatched",        NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+            rd_hybrid_dispatched = rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+            rd_qdrops            = rrddim_add(st, "qdrops",            NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+            rd_queued            = rrddim_add(st, "queued",            NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+        }
+        else rrdset_next(st);
+
+        rrddim_set_by_pointer(st, rd_dispatched,        netisr_stats[number_of_cpus].dispatched);
+        rrddim_set_by_pointer(st, rd_hybrid_dispatched, netisr_stats[number_of_cpus].hybrid_dispatched);
+        rrddim_set_by_pointer(st, rd_qdrops,            netisr_stats[number_of_cpus].qdrops);
+        rrddim_set_by_pointer(st, rd_queued,            netisr_stats[number_of_cpus].queued);
+        rrdset_done(st);
+    }
+
+    // --------------------------------------------------------------------
+
+    if (likely(do_netisr_per_core)) {
+        static struct softnet_chart {
+            char netisr_cpuid[MAX_INT_DIGITS + 17];
+            RRDSET *st;
+            RRDDIM *rd_dispatched;
+            RRDDIM *rd_hybrid_dispatched;
+            RRDDIM *rd_qdrops;
+            RRDDIM *rd_queued;
+        } *all_softnet_charts = NULL;
+
+        all_softnet_charts = reallocz(all_softnet_charts, sizeof(struct softnet_chart) * number_of_cpus);
+
+        for (i = 0; i < number_of_cpus ;i++) {
+            snprintfz(all_softnet_charts[i].netisr_cpuid, MAX_INT_DIGITS + 17, "cpu%d_softnet_stat", i);
+
+            if (unlikely(!all_softnet_charts[i].st)) {
+                all_softnet_charts[i].st = rrdset_create_localhost("cpu",
+                                                                   all_softnet_charts[i].netisr_cpuid,
+                                                                   NULL,
+                                                                   "softnet_stat",
+                                                                   NULL,
+                                                                   "Per CPU netisr statistics",
+                                                                   "events/s",
+                                                                   1101 + i,
+                                                                   update_every,
+                                                                   RRDSET_TYPE_LINE
+                );
+
+                all_softnet_charts[i].rd_dispatched        = rrddim_add(all_softnet_charts[i].st, "dispatched",
+                                                                NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                all_softnet_charts[i].rd_hybrid_dispatched = rrddim_add(all_softnet_charts[i].st, "hybrid_dispatched",
+                                                                NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                all_softnet_charts[i].rd_qdrops            = rrddim_add(all_softnet_charts[i].st, "qdrops",
+                                                                NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                all_softnet_charts[i].rd_queued            = rrddim_add(all_softnet_charts[i].st, "queued",
+                                                                NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+            }
+            else rrdset_next(all_softnet_charts[i].st);
+
+            rrddim_set_by_pointer(all_softnet_charts[i].st, all_softnet_charts[i].rd_dispatched,
+                                  netisr_stats[i].dispatched);
+            rrddim_set_by_pointer(all_softnet_charts[i].st, all_softnet_charts[i].rd_hybrid_dispatched,
+                                  netisr_stats[i].hybrid_dispatched);
+            rrddim_set_by_pointer(all_softnet_charts[i].st, all_softnet_charts[i].rd_qdrops,
+                                  netisr_stats[i].qdrops);
+            rrddim_set_by_pointer(all_softnet_charts[i].st, all_softnet_charts[i].rd_queued,
+                                  netisr_stats[i].queued);
+            rrdset_done(all_softnet_charts[i].st);
+        }
+    }
+
+    return 0;
+}
 
-    // NEEDED BY: do_tcp...
-    struct tcpstat tcpstat;
+// --------------------------------------------------------------------------------------------------------------------
+// net.inet.tcp.states
+
+int do_net_inet_tcp_states(int update_every, usec_t dt) {
+    static int mib[4] = {0, 0, 0, 0};
     uint64_t tcps_states[TCP_NSTATES];
 
-    // NEEDED BY: do_udp...
-    struct udpstat udpstat;
+    // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
+    if (unlikely(GETSYSCTL_SIMPLE("net.inet.tcp.states", mib, tcps_states))) {
+        error("DISABLED: ipv4.tcpsock chart");
+        error("DISABLED: net.inet.tcp.states module");
+        return 1;
+    } else {
 
-    // NEEDED BY: do_icmp...
-    struct icmpstat icmpstat;
-    struct icmp_total {
-        u_long  msgs_in;
-        u_long  msgs_out;
-    } icmp_total = {0, 0};
+        // --------------------------------------------------------------------
 
-    // NEEDED BY: do_ip...
-    struct ipstat ipstat;
+        static RRDSET *st = NULL;
+        static RRDDIM *rd = NULL;
 
-    // NEEDED BY: do_ip6...
-    struct ip6stat ip6stat;
+        if (unlikely(!st)) {
+            st = rrdset_create_localhost("ipv4",
+                                         "tcpsock",
+                                         NULL,
+                                         "tcp",
+                                         NULL,
+                                         "IPv4 TCP Connections",
+                                         "active connections",
+                                         2500,
+                                         update_every,
+                                         RRDSET_TYPE_LINE
+            );
 
-    // NEEDED BY: do_icmp6...
-    struct icmp6stat icmp6stat;
-    struct icmp6_total {
-        u_long  msgs_in;
-        u_long  msgs_out;
-    } icmp6_total = {0, 0};
+            rd = rrddim_add(st, "CurrEstab", "connections", 1, 1, RRD_ALGORITHM_ABSOLUTE);
+        } else
+            rrdset_next(st);
 
-    // NEEDED BY: do_space, do_inodes
-    struct statfs *mntbuf;
-    int mntsize;
-    char mntonname[MNAMELEN + 1];
+        rrddim_set_by_pointer(st, rd, tcps_states[TCPS_ESTABLISHED]);
+        rrdset_done(st);
+    }
 
-    // NEEDED BY: do_uptime
-    struct timespec up_time;
+    return 0;
+}
 
-    // --------------------------------------------------------------------
+// --------------------------------------------------------------------------------------------------------------------
+// net.inet.tcp.stats
+
+int do_net_inet_tcp_stats(int update_every, usec_t dt) {
+    static int do_tcp_packets = -1, do_tcp_errors = -1, do_tcp_handshake = -1, do_tcpext_connaborts = -1, do_tcpext_ofo = -1, do_tcpext_syncookies = -1, do_ecn = -1;
+
+    if (unlikely(do_tcp_packets == -1)) {
+        do_tcp_packets       = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP packets",          1);
+        do_tcp_errors        = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP errors",           1);
+        do_tcp_handshake     = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP handshake issues", 1);
+        do_tcpext_connaborts = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP connection aborts",
+                                                           CONFIG_BOOLEAN_AUTO);
+        do_tcpext_ofo        = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP out-of-order queue",
+                                                           CONFIG_BOOLEAN_AUTO);
+        do_tcpext_syncookies = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP SYN cookies",
+                                                           CONFIG_BOOLEAN_AUTO);
+        do_ecn               = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ECN packets",
+                                                           CONFIG_BOOLEAN_AUTO);
+    }
 
-    if (likely(do_disk_io)) {
-        if (unlikely(GETSYSCTL_BY_NAME("kern.devstat.numdevs", numdevs))) {
-            do_disk_io = 0;
-            error("DISABLED: disk.io");
-        } else {
-            devstat_data = reallocz(devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs); // there is generation number before devstat structures
-            if (unlikely(
-                    getsysctl_by_name("kern.devstat.all", devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs))) {
-                do_disk_io = 0;
-                error("DISABLED: disk.io");
-            } else {
-                dstat = devstat_data + sizeof(long); // skip generation number
-                collected_number total_disk_kbytes_read = 0;
-                collected_number total_disk_kbytes_write = 0;
+    // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
+    if (likely(do_tcp_packets || do_tcp_errors || do_tcp_handshake || do_tcpext_connaborts || do_tcpext_ofo || do_tcpext_syncookies || do_ecn)) {
+        static int mib[4] = {0, 0, 0, 0};
+        struct tcpstat tcpstat;
 
-                for (i = 0; i < numdevs; i++) {
-                    if (((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT) || ((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_STORARRAY)) {
-                        sprintf(disk, "%s%d", dstat[i].device_name, dstat[i].unit_number);
+        if (unlikely(GETSYSCTL_SIMPLE("net.inet.tcp.stats", mib, tcpstat))) {
+            do_tcp_packets = 0;
+            error("DISABLED: ipv4.tcppackets chart");
+            do_tcp_errors = 0;
+            error("DISABLED: ipv4.tcperrors  chart");
+            do_tcp_handshake = 0;
+            error("DISABLED: ipv4.tcphandshake  chart");
+            do_tcpext_connaborts = 0;
+            error("DISABLED: ipv4.tcpconnaborts  chart");
+            do_tcpext_ofo = 0;
+            error("DISABLED: ipv4.tcpofo chart");
+            do_tcpext_syncookies = 0;
+            error("DISABLED: ipv4.tcpsyncookies chart");
+            do_ecn = 0;
+            error("DISABLED: ipv4.ecnpkts chart");
+            error("DISABLED: net.inet.tcp.stats module");
+            return 1;
+        } else {
 
-                        // --------------------------------------------------------------------
+            // --------------------------------------------------------------------
 
-                        st = rrdset_find_bytype_localhost(RRD_TYPE_DISK, disk);
-                        if (unlikely(!st)) {
-                            st = rrdset_create_localhost(RRD_TYPE_DISK, disk, NULL, disk, "disk.io", "Disk I/O Bandwidth", "kilobytes/s", 2000, update_every, RRDSET_TYPE_AREA);
+            if (likely(do_tcp_packets)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in_segs = NULL, *rd_out_segs = NULL;
 
-                            rrddim_add(st, "reads", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
-                            rrddim_add(st, "writes", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
-                        }
-                        else rrdset_next(st);
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                         "tcppackets",
+                                                         NULL,
+                                                         "tcp",
+                                                         NULL,
+                                                         "IPv4 TCP Packets",
+                                                         "packets/s",
+                                                         2600,
+                                                         update_every,
+                                                         RRDSET_TYPE_LINE
+                    );
 
-                        total_disk_kbytes_read += dstat[i].bytes[DEVSTAT_READ]/KILO_FACTOR;
-                        total_disk_kbytes_write += dstat[i].bytes[DEVSTAT_WRITE]/KILO_FACTOR;
-                        prev_dstat.bytes_read = rrddim_set(st, "reads", dstat[i].bytes[DEVSTAT_READ]);
-                        prev_dstat.bytes_write = rrddim_set(st, "writes", dstat[i].bytes[DEVSTAT_WRITE]);
-                        rrdset_done(st);
+                    rd_in_segs  = rrddim_add(st, "InSegs", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out_segs = rrddim_add(st, "OutSegs", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
 
-                        // --------------------------------------------------------------------
+                rrddim_set_by_pointer(st, rd_in_segs, tcpstat.tcps_rcvtotal);
+                rrddim_set_by_pointer(st, rd_out_segs, tcpstat.tcps_sndtotal);
+                rrdset_done(st);
+            }
 
-                        st = rrdset_find_bytype_localhost("disk_ops", disk);
-                        if (unlikely(!st)) {
-                            st = rrdset_create_localhost("disk_ops", disk, NULL, disk, "disk.ops", "Disk Completed I/O Operations", "operations/s", 2001, update_every, RRDSET_TYPE_LINE);
-                            rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+            // --------------------------------------------------------------------
 
-                            rrddim_add(st, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                            rrddim_add(st, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                        }
-                        else rrdset_next(st);
+            if (likely(do_tcp_errors)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in_errs = NULL, *rd_in_csum_errs = NULL, *rd_retrans_segs = NULL;
 
-                        prev_dstat.operations_read = rrddim_set(st, "reads", dstat[i].operations[DEVSTAT_READ]);
-                        prev_dstat.operations_write = rrddim_set(st, "writes", dstat[i].operations[DEVSTAT_WRITE]);
-                        rrdset_done(st);
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                        "tcperrors",
+                                                        NULL,
+                                                        "tcp",
+                                                        NULL,
+                                                        "IPv4 TCP Errors",
+                                                        "packets/s",
+                                                        2700,
+                                                        update_every,
+                                                        RRDSET_TYPE_LINE
+                    );
 
-                        // --------------------------------------------------------------------
+                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                        st = rrdset_find_bytype_localhost("disk_qops", disk);
-                        if (unlikely(!st)) {
-                            st = rrdset_create_localhost("disk_qops", disk, NULL, disk, "disk.qops", "Disk Current I/O Operations", "operations", 2002, update_every, RRDSET_TYPE_LINE);
-                            rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+                    rd_in_errs      = rrddim_add(st, "InErrs",       NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_csum_errs = rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_retrans_segs = rrddim_add(st, "RetransSegs",  NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
 
-                            rrddim_add(st, "operations", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
-                        }
-                        else rrdset_next(st);
+#if __FreeBSD__ >= 11
+                rrddim_set_by_pointer(st, rd_in_errs,      tcpstat.tcps_rcvbadoff + tcpstat.tcps_rcvreassfull +
+                                                                  tcpstat.tcps_rcvshort);
+#else
+                rrddim_set_by_pointer(st, rd_in_errs,      tcpstat.tcps_rcvbadoff + tcpstat.tcps_rcvshort);
+#endif
+                rrddim_set_by_pointer(st, rd_in_csum_errs, tcpstat.tcps_rcvbadsum);
+                rrddim_set_by_pointer(st, rd_retrans_segs, tcpstat.tcps_sndrexmitpack);
+                rrdset_done(st);
+            }
 
-                        rrddim_set(st, "operations", dstat[i].start_count - dstat[i].end_count);
-                        rrdset_done(st);
+            // --------------------------------------------------------------------
 
-                        // --------------------------------------------------------------------
+            if (likely(do_tcp_handshake)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_estab_resets = NULL, *rd_active_opens = NULL, *rd_passive_opens = NULL,
+                              *rd_attempt_fails = NULL;
 
-                        st = rrdset_find_bytype_localhost("disk_util", disk);
-                        if (unlikely(!st)) {
-                            st = rrdset_create_localhost("disk_util", disk, NULL, disk, "disk.util", "Disk Utilization Time", "% of time working", 2004, update_every, RRDSET_TYPE_AREA);
-                            rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                           "tcphandshake",
+                                                           NULL,
+                                                           "tcp",
+                                                           NULL,
+                                                           "IPv4 TCP Handshake Issues",
+                                                           "events/s",
+                                                           2900,
+                                                           update_every,
+                                                           RRDSET_TYPE_LINE
+                    );
 
-                            rrddim_add(st, "utilization", NULL, 1, 10, RRD_ALGORITHM_INCREMENTAL);
-                        }
-                        else rrdset_next(st);
+                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                        cur_dstat.busy_time_ms = dstat[i].busy_time.sec * 1000 + dstat[i].busy_time.frac * BINTIME_SCALE;
-                        prev_dstat.busy_time_ms = rrddim_set(st, "utilization", cur_dstat.busy_time_ms);
-                        rrdset_done(st);
+                    rd_estab_resets  = rrddim_add(st, "EstabResets",  NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_active_opens  = rrddim_add(st, "ActiveOpens",  NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_passive_opens = rrddim_add(st, "PassiveOpens", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_attempt_fails = rrddim_add(st, "AttemptFails", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
 
-                        // --------------------------------------------------------------------
+                rrddim_set_by_pointer(st, rd_estab_resets,  tcpstat.tcps_drops);
+                rrddim_set_by_pointer(st, rd_active_opens,  tcpstat.tcps_connattempt);
+                rrddim_set_by_pointer(st, rd_passive_opens, tcpstat.tcps_accepts);
+                rrddim_set_by_pointer(st, rd_attempt_fails, tcpstat.tcps_conndrops);
+                rrdset_done(st);
+            }
 
-                        st = rrdset_find_bytype_localhost("disk_iotime", disk);
-                        if (unlikely(!st)) {
-                            st = rrdset_create_localhost("disk_iotime", disk, NULL, disk, "disk.iotime", "Disk Total I/O Time", "milliseconds/s", 2022, update_every, RRDSET_TYPE_LINE);
-                            rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+            // --------------------------------------------------------------------
 
-                            rrddim_add(st, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                            rrddim_add(st, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                        }
-                        else rrdset_next(st);
+            if (do_tcpext_connaborts == CONFIG_BOOLEAN_YES || (do_tcpext_connaborts == CONFIG_BOOLEAN_AUTO && (tcpstat.tcps_rcvpackafterwin || tcpstat.tcps_rcvafterclose || tcpstat.tcps_rcvmemdrop || tcpstat.tcps_persistdrop || tcpstat.tcps_finwait2_drops))) {
+                do_tcpext_connaborts = CONFIG_BOOLEAN_YES;
 
-                        cur_dstat.duration_read_ms = dstat[i].duration[DEVSTAT_READ].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
-                        cur_dstat.duration_write_ms = dstat[i].duration[DEVSTAT_WRITE].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
-                        prev_dstat.duration_read_ms = rrddim_set(st, "reads", cur_dstat.duration_read_ms);
-                        prev_dstat.duration_write_ms = rrddim_set(st, "writes", cur_dstat.duration_write_ms);
-                        rrdset_done(st);
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_on_data = NULL, *rd_on_close = NULL, *rd_on_memory = NULL,
+                              *rd_on_timeout = NULL, *rd_on_linger = NULL;
 
-                        // --------------------------------------------------------------------
-                        // calculate differential charts
-                        // only if this is not the first time we run
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                            "tcpconnaborts",
+                                                            NULL,
+                                                            "tcp",
+                                                            NULL,
+                                                            "TCP Connection Aborts",
+                                                            "connections/s",
+                                                            3010,
+                                                            update_every,
+                                                            RRDSET_TYPE_LINE
+                    );
 
-                        if (likely(dt)) {
+                    rd_on_data    = rrddim_add(st, "TCPAbortOnData",    "baddata",     1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_on_close   = rrddim_add(st, "TCPAbortOnClose",   "userclosed",  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_on_memory  = rrddim_add(st, "TCPAbortOnMemory",  "nomemory",    1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_on_timeout = rrddim_add(st, "TCPAbortOnTimeout", "timeout",     1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_on_linger  = rrddim_add(st, "TCPAbortOnLinger",  "linger",      1, 1, RRD_ALGORITHM_INCREMENTAL);
+                }
+                else rrdset_next(st);
 
-                            // --------------------------------------------------------------------
+                rrddim_set_by_pointer(st, rd_on_data,    tcpstat.tcps_rcvpackafterwin);
+                rrddim_set_by_pointer(st, rd_on_close,   tcpstat.tcps_rcvafterclose);
+                rrddim_set_by_pointer(st, rd_on_memory,  tcpstat.tcps_rcvmemdrop);
+                rrddim_set_by_pointer(st, rd_on_timeout, tcpstat.tcps_persistdrop);
+                rrddim_set_by_pointer(st, rd_on_linger,  tcpstat.tcps_finwait2_drops);
+                rrdset_done(st);
+            }
 
-                            st = rrdset_find_bytype_localhost("disk_await", disk);
-                            if (unlikely(!st)) {
-                                st = rrdset_create_localhost("disk_await", disk, NULL, disk, "disk.await", "Average Completed I/O Operation Time", "ms per operation", 2005, update_every, RRDSET_TYPE_LINE);
-                                rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+            // --------------------------------------------------------------------
 
-                                rrddim_add(st, "reads", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
-                                rrddim_add(st, "writes", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE);
-                            }
-                            else rrdset_next(st);
+            if (do_tcpext_ofo == CONFIG_BOOLEAN_YES || (do_tcpext_ofo == CONFIG_BOOLEAN_AUTO && tcpstat.tcps_rcvoopack)) {
+                do_tcpext_ofo = CONFIG_BOOLEAN_YES;
 
-                            rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
-                                (cur_dstat.duration_read_ms - prev_dstat.duration_read_ms) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
-                            rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
-                                (cur_dstat.duration_write_ms - prev_dstat.duration_write_ms) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
-                            rrdset_done(st);
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_ofo_queue = NULL;
 
-                            // --------------------------------------------------------------------
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                           "tcpofo",
+                                                           NULL,
+                                                           "tcp",
+                                                           NULL,
+                                                           "TCP Out-Of-Order Queue",
+                                                           "packets/s",
+                                                           3050,
+                                                           update_every,
+                                                           RRDSET_TYPE_LINE
+                    );
 
-                            st = rrdset_find_bytype_localhost("disk_avgsz", disk);
-                            if (unlikely(!st)) {
-                                st = rrdset_create_localhost("disk_avgsz", disk, NULL, disk, "disk.avgsz", "Average Completed I/O Operation Bandwidth", "kilobytes per operation", 2006, update_every, RRDSET_TYPE_AREA);
-                                rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+                    rd_ofo_queue = rrddim_add(st, "TCPOFOQueue", "inqueue",  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                }
+                else rrdset_next(st);
 
-                                rrddim_add(st, "reads", NULL, 1, 1024, RRD_ALGORITHM_ABSOLUTE);
-                                rrddim_add(st, "writes", NULL, -1, 1024, RRD_ALGORITHM_ABSOLUTE);
-                            }
-                            else rrdset_next(st);
+                rrddim_set_by_pointer(st, rd_ofo_queue,   tcpstat.tcps_rcvoopack);
+                rrdset_done(st);
+            }
 
-                            rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
-                                (dstat[i].bytes[DEVSTAT_READ] - prev_dstat.bytes_read) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
-                            rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
-                                (dstat[i].bytes[DEVSTAT_WRITE] - prev_dstat.bytes_write) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
-                            rrdset_done(st);
+            // --------------------------------------------------------------------
 
-                            // --------------------------------------------------------------------
+            if (do_tcpext_syncookies == CONFIG_BOOLEAN_YES || (do_tcpext_syncookies == CONFIG_BOOLEAN_AUTO && (tcpstat.tcps_sc_sendcookie || tcpstat.tcps_sc_recvcookie || tcpstat.tcps_sc_zonefail))) {
+                do_tcpext_syncookies = CONFIG_BOOLEAN_YES;
 
-                            st = rrdset_find_bytype_localhost("disk_svctm", disk);
-                            if (unlikely(!st)) {
-                                st = rrdset_create_localhost("disk_svctm", disk, NULL, disk, "disk.svctm", "Average Service Time", "ms per operation", 2007, update_every, RRDSET_TYPE_LINE);
-                                rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_recv = NULL, *rd_send = NULL, *rd_failed = NULL;
 
-                                rrddim_add(st, "svctm", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
-                            }
-                            else rrdset_next(st);
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                            "tcpsyncookies",
+                                                            NULL,
+                                                            "tcp",
+                                                            NULL,
+                                                            "TCP SYN Cookies",
+                                                            "packets/s",
+                                                            3100,
+                                                            update_every,
+                                                            RRDSET_TYPE_LINE
+                    );
 
-                            rrddim_set(st, "svctm", ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) ?
-                                (cur_dstat.busy_time_ms - prev_dstat.busy_time_ms) / ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) : 0);
-                            rrdset_done(st);
-                        }
-                    }
+                    rd_recv   = rrddim_add(st, "SyncookiesRecv",   "received",  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_send   = rrddim_add(st, "SyncookiesSent",   "sent",     -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_failed = rrddim_add(st, "SyncookiesFailed", "failed",   -1, 1, RRD_ALGORITHM_INCREMENTAL);
                 }
+                else rrdset_next(st);
 
-                // --------------------------------------------------------------------
+                rrddim_set_by_pointer(st, rd_recv,   tcpstat.tcps_sc_recvcookie);
+                rrddim_set_by_pointer(st, rd_send,   tcpstat.tcps_sc_sendcookie);
+                rrddim_set_by_pointer(st, rd_failed, tcpstat.tcps_sc_zonefail);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if (do_ecn == CONFIG_BOOLEAN_YES || (do_ecn == CONFIG_BOOLEAN_AUTO && (tcpstat.tcps_ecn_ce || tcpstat.tcps_ecn_ect0 || tcpstat.tcps_ecn_ect1))) {
+                do_ecn = CONFIG_BOOLEAN_YES;
+
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_ce = NULL, *rd_no_ect = NULL, *rd_ect0 = NULL, *rd_ect1 = NULL;
 
-                st = rrdset_find_bytype_localhost("system", "io");
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("system", "io", NULL, "disk", NULL, "Disk I/O", "kilobytes/s", 150, update_every, RRDSET_TYPE_AREA);
-                    rrddim_add(st, "in",  NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "out", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    st = rrdset_create_localhost("ipv4",
+                                                     "ecnpkts",
+                                                     NULL,
+                                                     "ecn",
+                                                     NULL,
+                                                     "IPv4 ECN Statistics",
+                                                     "packets/s",
+                                                     8700,
+                                                     update_every,
+                                                     RRDSET_TYPE_LINE
+                    );
+
+                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+
+                    rd_ce     = rrddim_add(st, "InCEPkts", "CEP", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_no_ect = rrddim_add(st, "InNoECTPkts", "NoECTP", -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_ect0   = rrddim_add(st, "InECT0Pkts", "ECTP0", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_ect1   = rrddim_add(st, "InECT1Pkts", "ECTP1", 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 }
                 else rrdset_next(st);
 
-                rrddim_set(st, "in", total_disk_kbytes_read);
-                rrddim_set(st, "out", total_disk_kbytes_write);
+                rrddim_set_by_pointer(st, rd_ce,     tcpstat.tcps_ecn_ce);
+                rrddim_set_by_pointer(st, rd_no_ect, tcpstat.tcps_ecn_ce - (tcpstat.tcps_ecn_ect0 +
+                                                                                tcpstat.tcps_ecn_ect1));
+                rrddim_set_by_pointer(st, rd_ect0,   tcpstat.tcps_ecn_ect0);
+                rrddim_set_by_pointer(st, rd_ect1,   tcpstat.tcps_ecn_ect1);
                 rrdset_done(st);
             }
+
         }
+    } else {
+        error("DISABLED: net.inet.tcp.stats module");
+        return 1;
     }
 
-    // --------------------------------------------------------------------
+    return 0;
+}
 
-    if (likely(do_netisr || do_netisr_per_core)) {
-        if (unlikely(GETSYSCTL_BY_NAME("kern.smp.cpus", ncpus))) {
-            common_error = 1;
-        } else if (unlikely(sysctlbyname("net.isr.workstream", NULL, &netisr_workstream_size, NULL, 0) == -1)) {
-            error("FREEBSD: sysctl(net.isr.workstream...) failed: %s", strerror(errno));
-            common_error = 1;
-        } else if (unlikely(sysctlbyname("net.isr.work", NULL, &netisr_work_size, NULL, 0) == -1)) {
-            error("FREEBSD: sysctl(net.isr.work...) failed: %s", strerror(errno));
-            common_error = 1;
+// --------------------------------------------------------------------------------------------------------------------
+// net.inet.udp.stats
+
+int do_net_inet_udp_stats(int update_every, usec_t dt) {
+    static int do_udp_packets = -1, do_udp_errors = -1;
+
+    if (unlikely(do_udp_packets == -1)) {
+        do_udp_packets = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP packets", 1);
+        do_udp_errors  = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP errors", 1);
+    }
+
+    // see http://net-snmp.sourceforge.net/docs/mibs/udp.html
+    if (likely(do_udp_packets || do_udp_errors)) {
+        static int mib[4] = {0, 0, 0, 0};
+        struct udpstat udpstat;
+
+        if (unlikely(GETSYSCTL_SIMPLE("net.inet.udp.stats", mib, udpstat))) {
+            do_udp_packets = 0;
+            error("DISABLED: ipv4.udppackets chart");
+            do_udp_errors = 0;
+            error("DISABLED: ipv4.udperrors chart");
+            error("DISABLED: net.inet.udp.stats module");
+            return 1;
         } else {
-            num_netisr_workstreams = netisr_workstream_size / sizeof(struct sysctl_netisr_workstream);
-            netisr_workstream = reallocz(netisr_workstream, num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream));
-            if (unlikely(getsysctl_by_name("net.isr.workstream", netisr_workstream,
-                                           num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream)))){
-                common_error = 1;
-            } else {
-                num_netisr_works = netisr_work_size / sizeof(struct sysctl_netisr_work);
-                netisr_work = reallocz(netisr_work, num_netisr_works * sizeof(struct sysctl_netisr_work));
-                if (unlikely(getsysctl_by_name("net.isr.work", netisr_work,
-                                               num_netisr_works * sizeof(struct sysctl_netisr_work)))){
-                    common_error = 1;
-                }
+
+            // --------------------------------------------------------------------
+
+            if (likely(do_udp_packets)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in = NULL, *rd_out = NULL;
+
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                 "udppackets",
+                                                 NULL,
+                                                 "udp",
+                                                 NULL,
+                                                 "IPv4 UDP Packets",
+                                                 "packets/s",
+                                                 2601,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
+
+                    rd_in  = rrddim_add(st, "InDatagrams",  "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out = rrddim_add(st, "OutDatagrams", "sent",    -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
+
+                rrddim_set_by_pointer(st, rd_in,  udpstat.udps_ipackets);
+                rrddim_set_by_pointer(st, rd_out, udpstat.udps_opackets);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if (likely(do_udp_errors)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in_errors = NULL, *rd_no_ports = NULL, *rd_recv_buf_errors = NULL,
+                              *rd_in_csum_errors = NULL, *rd_ignored_multi = NULL;
+
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                 "udperrors",
+                                                 NULL,
+                                                 "udp",
+                                                 NULL,
+                                                 "IPv4 UDP Errors",
+                                                 "events/s",
+                                                 2701,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
+
+                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+
+                    rd_in_errors       = rrddim_add(st, "InErrors",     NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_no_ports        = rrddim_add(st, "NoPorts",      NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_recv_buf_errors = rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_csum_errors  = rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_ignored_multi   = rrddim_add(st, "IgnoredMulti", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
+
+                rrddim_set_by_pointer(st, rd_in_errors, udpstat.udps_hdrops + udpstat.udps_badlen);
+                rrddim_set_by_pointer(st, rd_no_ports, udpstat.udps_noport);
+                rrddim_set_by_pointer(st, rd_recv_buf_errors, udpstat.udps_fullsock);
+                rrddim_set_by_pointer(st, rd_in_csum_errors, udpstat.udps_badsum + udpstat.udps_nosum);
+                rrddim_set_by_pointer(st, rd_ignored_multi, udpstat.udps_filtermcast);
+                rrdset_done(st);
             }
         }
-        if (unlikely(common_error)) {
-            do_netisr = 0;
-            error("DISABLED: system.softnet_stat");
-            do_netisr_per_core = 0;
-            error("DISABLED: system.cpuX_softnet_stat");
-            common_error = 0;
+    } else {
+        error("DISABLED: net.inet.udp.stats module");
+        return 1;
+    }
+
+    return 0;
+}
+
+// --------------------------------------------------------------------------------------------------------------------
+// net.inet.icmp.stats
+
+int do_net_inet_icmp_stats(int update_every, usec_t dt) {
+    static int do_icmp_packets = -1, do_icmp_errors = -1, do_icmpmsg = -1;
+
+    if (unlikely(do_icmp_packets == -1)) {
+        do_icmp_packets = config_get_boolean("plugin:freebsd:sysctl", "ipv4 ICMP packets",  1);
+        do_icmp_errors  = config_get_boolean("plugin:freebsd:sysctl", "ipv4 ICMP errors",   1);
+        do_icmpmsg      = config_get_boolean("plugin:freebsd:sysctl", "ipv4 ICMP messages", 1);
+    }
+
+    if (likely(do_icmp_packets || do_icmp_errors || do_icmpmsg)) {
+        static int mib[4] = {0, 0, 0, 0};
+        struct icmpstat icmpstat;
+        int i;
+        struct icmp_total {
+            u_long  msgs_in;
+            u_long  msgs_out;
+        } icmp_total = {0, 0};
+
+        if (unlikely(GETSYSCTL_SIMPLE("net.inet.icmp.stats", mib, icmpstat))) {
+            do_icmp_packets = 0;
+            error("DISABLED: ipv4.icmp chart");
+            do_icmp_errors = 0;
+            error("DISABLED: ipv4.icmp_errors chart");
+            do_icmpmsg = 0;
+            error("DISABLED: ipv4.icmpmsg chart");
+            error("DISABLED: net.inet.icmp.stats module");
+            return 1;
         } else {
-            netisr_stats = reallocz(netisr_stats, (ncpus + 1) * sizeof(struct netisr_stats));
-            bzero(netisr_stats, (ncpus + 1) * sizeof(struct netisr_stats));
-            for (i = 0; i < num_netisr_workstreams; i++) {
-                for (n = 0; n < num_netisr_works; n++) {
-                    if (netisr_workstream[i].snws_wsid == netisr_work[n].snw_wsid) {
-                        netisr_stats[netisr_workstream[i].snws_cpu].dispatched += netisr_work[n].snw_dispatched;
-                        netisr_stats[netisr_workstream[i].snws_cpu].hybrid_dispatched += netisr_work[n].snw_hybrid_dispatched;
-                        netisr_stats[netisr_workstream[i].snws_cpu].qdrops += netisr_work[n].snw_qdrops;
-                        netisr_stats[netisr_workstream[i].snws_cpu].queued += netisr_work[n].snw_queued;
-                    }
-                }
+            for (i = 0; i <= ICMP_MAXTYPE; i++) {
+                icmp_total.msgs_in += icmpstat.icps_inhist[i];
+                icmp_total.msgs_out += icmpstat.icps_outhist[i];
             }
-            for (i = 0; i < ncpus; i++) {
-                netisr_stats[ncpus].dispatched += netisr_stats[i].dispatched;
-                netisr_stats[ncpus].hybrid_dispatched += netisr_stats[i].hybrid_dispatched;
-                netisr_stats[ncpus].qdrops += netisr_stats[i].qdrops;
-                netisr_stats[ncpus].queued += netisr_stats[i].queued;
+            icmp_total.msgs_in += icmpstat.icps_badcode + icmpstat.icps_badlen + icmpstat.icps_checksum + icmpstat.icps_tooshort;
+
+            // --------------------------------------------------------------------
+
+            if (likely(do_icmp_packets)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in = NULL, *rd_out = NULL;
+
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                 "icmp",
+                                                 NULL,
+                                                 "icmp",
+                                                 NULL,
+                                                 "IPv4 ICMP Packets",
+                                                 "packets/s",
+                                                 2602,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
+
+                    rd_in  = rrddim_add(st, "InMsgs",  "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out = rrddim_add(st, "OutMsgs", "sent",    -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
+
+                rrddim_set_by_pointer(st, rd_in,  icmp_total.msgs_in);
+                rrddim_set_by_pointer(st, rd_out, icmp_total.msgs_out);
+
+                rrdset_done(st);
             }
-        }
-    }
 
-    // --------------------------------------------------------------------
+            // --------------------------------------------------------------------
+
+            if (likely(do_icmp_errors)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in = NULL, *rd_out = NULL, *rd_in_csum = NULL;
+
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4", "icmp_errors", NULL, "icmp", NULL, "IPv4 ICMP Errors",
+                                                 "packets/s",
+                                                 2603, update_every, RRDSET_TYPE_LINE);
+
+                    rd_in      = rrddim_add(st, "InErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out     = rrddim_add(st, "OutErrors", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_csum = rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
+
+                rrddim_set_by_pointer(st, rd_in,      icmpstat.icps_badcode + icmpstat.icps_badlen +
+                                                      icmpstat.icps_checksum + icmpstat.icps_tooshort);
+                rrddim_set_by_pointer(st, rd_out,     icmpstat.icps_error);
+                rrddim_set_by_pointer(st, rd_in_csum, icmpstat.icps_checksum);
+
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
 
-    if (likely(do_netisr)) {
-        st = rrdset_find_bytype_localhost("system", "softnet_stat");
-        if (unlikely(!st)) {
-            st = rrdset_create_localhost("system", "softnet_stat", NULL, "softnet_stat", NULL, "System softnet_stat", "events/s", 955, update_every, RRDSET_TYPE_LINE);
-            rrddim_add(st, "dispatched", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rrddim_add(st, "qdrops", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rrddim_add(st, "queued", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-        }
-        else rrdset_next(st);
+            if (likely(do_icmpmsg)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in_reps = NULL, *rd_out_reps = NULL, *rd_in = NULL, *rd_out = NULL;
 
-        rrddim_set(st, "dispatched", netisr_stats[ncpus].dispatched);
-        rrddim_set(st, "hybrid_dispatched", netisr_stats[ncpus].hybrid_dispatched);
-        rrddim_set(st, "qdrops", netisr_stats[ncpus].qdrops);
-        rrddim_set(st, "queued", netisr_stats[ncpus].queued);
-        rrdset_done(st);
-    }
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4", "icmpmsg", NULL, "icmp", NULL, "IPv4 ICMP Messsages",
+                                                 "packets/s", 2604, update_every, RRDSET_TYPE_LINE);
 
-    // --------------------------------------------------------------------
+                    rd_in_reps  = rrddim_add(st, "InEchoReps",  NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out_reps = rrddim_add(st, "OutEchoReps", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in       = rrddim_add(st, "InEchos",     NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out      = rrddim_add(st, "OutEchos",    NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
 
-    if (likely(do_netisr_per_core)) {
-        for (i = 0; i < ncpus ;i++) {
-            snprintfz(netstat_cpuid, 21, "cpu%d_softnet_stat", i);
+                rrddim_set_by_pointer(st, rd_in_reps, icmpstat.icps_inhist[ICMP_ECHOREPLY]);
+                rrddim_set_by_pointer(st, rd_out_reps, icmpstat.icps_outhist[ICMP_ECHOREPLY]);
+                rrddim_set_by_pointer(st, rd_in, icmpstat.icps_inhist[ICMP_ECHO]);
+                rrddim_set_by_pointer(st, rd_out, icmpstat.icps_outhist[ICMP_ECHO]);
 
-            st = rrdset_find_bytype_localhost("cpu", netstat_cpuid);
-            if (unlikely(!st)) {
-                st = rrdset_create_localhost("cpu", netstat_cpuid, NULL, "softnet_stat", NULL, "Per CPU netisr statistics", "events/s", 1101 + i, update_every, RRDSET_TYPE_LINE);
-                rrddim_add(st, "dispatched", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                rrddim_add(st, "qdrops", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                rrddim_add(st, "queued", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                rrdset_done(st);
             }
-            else rrdset_next(st);
-
-            rrddim_set(st, "dispatched", netisr_stats[i].dispatched);
-            rrddim_set(st, "hybrid_dispatched", netisr_stats[i].hybrid_dispatched);
-            rrddim_set(st, "qdrops", netisr_stats[i].qdrops);
-            rrddim_set(st, "queued", netisr_stats[i].queued);
-            rrdset_done(st);
         }
+    } else {
+        error("DISABLED: net.inet.icmp.stats module");
+        return 1;
     }
 
-    // --------------------------------------------------------------------
+    return 0;
+}
 
-    if (likely(do_bandwidth)) {
-        if (unlikely(getifaddrs(&ifap))) {
-            error("FREEBSD: getifaddrs()");
-            do_bandwidth = 0;
-            error("DISABLED: system.ipv4");
-        } else {
-            iftot.ift_ibytes = iftot.ift_obytes = 0;
-            for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
-                if (ifa->ifa_addr->sa_family != AF_INET)
-                        continue;
-                iftot.ift_ibytes += IFA_DATA(ibytes);
-                iftot.ift_obytes += IFA_DATA(obytes);
-            }
+// --------------------------------------------------------------------------------------------------------------------
+// net.inet.ip.stats
 
-            st = rrdset_find_localhost("system.ipv4");
-            if (unlikely(!st)) {
-                st = rrdset_create_localhost("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
+int do_net_inet_ip_stats(int update_every, usec_t dt) {
+    static int do_ip_packets = -1, do_ip_fragsout = -1, do_ip_fragsin = -1, do_ip_errors = -1;
 
-                rrddim_add(st, "InOctets", "received", 8, 1024, RRD_ALGORITHM_INCREMENTAL);
-                rrddim_add(st, "OutOctets", "sent", -8, 1024, RRD_ALGORITHM_INCREMENTAL);
-            }
-            else rrdset_next(st);
+    if (unlikely(do_ip_packets == -1)) {
+        do_ip_packets  = config_get_boolean("plugin:freebsd:sysctl", "ipv4 packets", 1);
+        do_ip_fragsout = config_get_boolean("plugin:freebsd:sysctl", "ipv4 fragments sent", 1);
+        do_ip_fragsin  = config_get_boolean("plugin:freebsd:sysctl", "ipv4 fragments assembly", 1);
+        do_ip_errors   = config_get_boolean("plugin:freebsd:sysctl", "ipv4 errors", 1);
+    }
 
-            rrddim_set(st, "InOctets", iftot.ift_ibytes);
-            rrddim_set(st, "OutOctets", iftot.ift_obytes);
-            rrdset_done(st);
+    // see also http://net-snmp.sourceforge.net/docs/mibs/ip.html
+    if (likely(do_ip_packets || do_ip_fragsout || do_ip_fragsin || do_ip_errors)) {
+        static int mib[4] = {0, 0, 0, 0};
+        struct ipstat ipstat;
+
+        if (unlikely(GETSYSCTL_SIMPLE("net.inet.ip.stats", mib, ipstat))) {
+            do_ip_packets = 0;
+            error("DISABLED: ipv4.packets chart");
+            do_ip_fragsout = 0;
+            error("DISABLED: ipv4.fragsout chart");
+            do_ip_fragsin = 0;
+            error("DISABLED: ipv4.fragsin chart");
+            do_ip_errors = 0;
+            error("DISABLED: ipv4.errors chart");
+            error("DISABLED: net.inet.ip.stats module");
+            return 1;
+        } else {
 
             // --------------------------------------------------------------------
 
-            iftot.ift_ibytes = iftot.ift_obytes = 0;
-            for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
-                if (ifa->ifa_addr->sa_family != AF_INET6)
-                        continue;
-                iftot.ift_ibytes += IFA_DATA(ibytes);
-                iftot.ift_obytes += IFA_DATA(obytes);
-            }
+            if (likely(do_ip_packets)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in_receives = NULL, *rd_out_requests = NULL, *rd_forward_datagrams = NULL,
+                              *rd_in_delivers = NULL;
 
-            st = rrdset_find_localhost("system.ipv6");
-            if (unlikely(!st)) {
-                st = rrdset_create_localhost("system", "ipv6", NULL, "network", NULL, "IPv6 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("ipv4",
+                                                 "packets",
+                                                 NULL,
+                                                 "packets",
+                                                 NULL,
+                                                 "IPv4 Packets",
+                                                 "packets/s",
+                                                 3000,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
 
-                rrddim_add(st, "received", NULL, 8, 1024, RRD_ALGORITHM_INCREMENTAL);
-                rrddim_add(st, "sent", NULL, -8, 1024, RRD_ALGORITHM_INCREMENTAL);
-            }
-            else rrdset_next(st);
+                    rd_in_receives       = rrddim_add(st, "InReceives",    "received",  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out_requests      = rrddim_add(st, "OutRequests",   "sent",     -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_forward_datagrams = rrddim_add(st, "ForwDatagrams", "forwarded", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_delivers       = rrddim_add(st, "InDelivers",    "delivered", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
 
-            rrddim_set(st, "sent", iftot.ift_obytes);
-            rrddim_set(st, "received", iftot.ift_ibytes);
-            rrdset_done(st);
+                rrddim_set_by_pointer(st, rd_in_receives,       ipstat.ips_total);
+                rrddim_set_by_pointer(st, rd_out_requests,      ipstat.ips_localout);
+                rrddim_set_by_pointer(st, rd_forward_datagrams, ipstat.ips_forward);
+                rrddim_set_by_pointer(st, rd_in_delivers,       ipstat.ips_delivered);
+                rrdset_done(st);
+            }
 
-            for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
-                if (ifa->ifa_addr->sa_family != AF_LINK)
-                        continue;
+            // --------------------------------------------------------------------
 
-                // --------------------------------------------------------------------
+            if (likely(do_ip_fragsout)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_ok = NULL, *rd_fails = NULL, *rd_created = NULL;
 
-                st = rrdset_find_bytype_localhost("net", ifa->ifa_name);
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("net", ifa->ifa_name, NULL, ifa->ifa_name, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
+                    st = rrdset_create_localhost("ipv4",
+                                                 "fragsout",
+                                                 NULL,
+                                                 "fragments",
+                                                 NULL,
+                                                 "IPv4 Fragments Sent",
+                                                 "packets/s",
+                                                 3010,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
 
-                    rrddim_add(st, "received", NULL, 8, 1024, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "sent", NULL, -8, 1024, RRD_ALGORITHM_INCREMENTAL);
-                }
-                else rrdset_next(st);
+                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                rrddim_set(st, "received", IFA_DATA(ibytes));
-                rrddim_set(st, "sent", IFA_DATA(obytes));
+                    rd_ok      = rrddim_add(st, "FragOKs",     "ok",      1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_fails   = rrddim_add(st, "FragFails",   "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_created = rrddim_add(st, "FragCreates", "created", 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
+
+                rrddim_set_by_pointer(st, rd_ok,      ipstat.ips_fragmented);
+                rrddim_set_by_pointer(st, rd_fails,   ipstat.ips_cantfrag);
+                rrddim_set_by_pointer(st, rd_created, ipstat.ips_ofragments);
                 rrdset_done(st);
+            }
 
-                // --------------------------------------------------------------------
+            // --------------------------------------------------------------------
+
+            if (likely(do_ip_fragsin)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_ok = NULL, *rd_failed = NULL, *rd_all = NULL;
 
-                st = rrdset_find_bytype_localhost("net_packets", ifa->ifa_name);
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("net_packets", ifa->ifa_name, NULL, ifa->ifa_name, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("ipv4",
+                                                 "fragsin",
+                                                 NULL,
+                                                 "fragments",
+                                                 NULL,
+                                                 "IPv4 Fragments Reassembly",
+                                                 "packets/s",
+                                                 3011,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
+
                     rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                    rrddim_add(st, "received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "sent", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "multicast_received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "multicast_sent", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                }
-                else rrdset_next(st);
+                    rd_ok     = rrddim_add(st, "ReasmOKs",   "ok",      1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_failed = rrddim_add(st, "ReasmFails", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_all    = rrddim_add(st, "ReasmReqds", "all",     1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
 
-                rrddim_set(st, "received", IFA_DATA(ipackets));
-                rrddim_set(st, "sent", IFA_DATA(opackets));
-                rrddim_set(st, "multicast_received", IFA_DATA(imcasts));
-                rrddim_set(st, "multicast_sent", IFA_DATA(omcasts));
+                rrddim_set_by_pointer(st, rd_ok,     ipstat.ips_fragments);
+                rrddim_set_by_pointer(st, rd_failed, ipstat.ips_fragdropped);
+                rrddim_set_by_pointer(st, rd_all,    ipstat.ips_reassembled);
                 rrdset_done(st);
+            }
 
-                // --------------------------------------------------------------------
+            // --------------------------------------------------------------------
+
+            if (likely(do_ip_errors)) {
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in_discards = NULL, *rd_out_discards = NULL,
+                              *rd_in_hdr_errors = NULL, *rd_out_no_routes = NULL,
+                              *rd_in_addr_errors = NULL, *rd_in_unknown_protos = NULL;
 
-                st = rrdset_find_bytype_localhost("net_errors", ifa->ifa_name);
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("net_errors", ifa->ifa_name, NULL, ifa->ifa_name, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("ipv4",
+                                                 "errors",
+                                                 NULL,
+                                                 "errors",
+                                                 NULL,
+                                                 "IPv4 Errors",
+                                                 "packets/s",
+                                                 3002,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
+
                     rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                    rrddim_add(st, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                }
-                else rrdset_next(st);
+                    rd_in_discards       = rrddim_add(st, "InDiscards",      NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out_discards      = rrddim_add(st, "OutDiscards",     NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_hdr_errors     = rrddim_add(st, "InHdrErrors",     NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out_no_routes     = rrddim_add(st, "OutNoRoutes",     NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_addr_errors    = rrddim_add(st, "InAddrErrors",    NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_unknown_protos = rrddim_add(st, "InUnknownProtos", NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
 
-                rrddim_set(st, "inbound", IFA_DATA(ierrors));
-                rrddim_set(st, "outbound", IFA_DATA(oerrors));
+                rrddim_set_by_pointer(st, rd_in_discards,       ipstat.ips_badsum + ipstat.ips_tooshort +
+                                                                ipstat.ips_toosmall + ipstat.ips_toolong);
+                rrddim_set_by_pointer(st, rd_out_discards,      ipstat.ips_odropped);
+                rrddim_set_by_pointer(st, rd_in_hdr_errors,     ipstat.ips_badhlen + ipstat.ips_badlen +
+                                                                ipstat.ips_badoptions + ipstat.ips_badvers);
+                rrddim_set_by_pointer(st, rd_out_no_routes,     ipstat.ips_noroute);
+                rrddim_set_by_pointer(st, rd_in_addr_errors,    ipstat.ips_badaddr);
+                rrddim_set_by_pointer(st, rd_in_unknown_protos, ipstat.ips_noproto);
                 rrdset_done(st);
+            }
+        }
+    } else {
+        error("DISABLED: net.inet.ip.stats module");
+        return 1;
+    }
 
-                // --------------------------------------------------------------------
+    return 0;
+}
 
-                st = rrdset_find_bytype_localhost("net_drops", ifa->ifa_name);
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("net_drops", ifa->ifa_name, NULL, ifa->ifa_name, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
-                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+// --------------------------------------------------------------------------------------------------------------------
+// net.inet6.ip6.stats
 
-                    rrddim_add(st, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-#if __FreeBSD__ >= 11
-                    rrddim_add(st, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-#endif
-                }
-                else rrdset_next(st);
+int do_net_inet6_ip6_stats(int update_every, usec_t dt) {
+    static int do_ip6_packets = -1, do_ip6_fragsout = -1, do_ip6_fragsin = -1, do_ip6_errors = -1;
 
-                rrddim_set(st, "inbound", IFA_DATA(iqdrops));
-#if __FreeBSD__ >= 11
-                rrddim_set(st, "outbound", IFA_DATA(oqdrops));
-#endif
-                rrdset_done(st);
+    if (unlikely(do_ip6_packets == -1)) {
+        do_ip6_packets  = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 packets",        CONFIG_BOOLEAN_AUTO);
+        do_ip6_fragsout = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 fragments sent", CONFIG_BOOLEAN_AUTO);
+        do_ip6_fragsin  = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 fragments assembly",
+                                                      CONFIG_BOOLEAN_AUTO);
+        do_ip6_errors   = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 errors",         CONFIG_BOOLEAN_AUTO);
+    }
 
-                // --------------------------------------------------------------------
+    if (likely(do_ip6_packets || do_ip6_fragsout || do_ip6_fragsin || do_ip6_errors)) {
+        static int mib[4] = {0, 0, 0, 0};
+        struct ip6stat ip6stat;
+
+        if (unlikely(GETSYSCTL_SIMPLE("net.inet6.ip6.stats", mib, ip6stat))) {
+            do_ip6_packets = 0;
+            error("DISABLED: ipv6.packets chart");
+            do_ip6_fragsout = 0;
+            error("DISABLED: ipv6.fragsout chart");
+            do_ip6_fragsin = 0;
+            error("DISABLED: ipv6.fragsin chart");
+            do_ip6_errors = 0;
+            error("DISABLED: ipv6.errors chart");
+            error("DISABLED: net.inet6.ip6.stats module");
+            return 1;
+        } else {
+
+            // --------------------------------------------------------------------
+
+            if (do_ip6_packets == CONFIG_BOOLEAN_YES || (do_ip6_packets == CONFIG_BOOLEAN_AUTO &&
+                                                         (ip6stat.ip6s_localout || ip6stat.ip6s_total ||
+                                                          ip6stat.ip6s_forward || ip6stat.ip6s_delivered))) {
+                do_ip6_packets = CONFIG_BOOLEAN_YES;
+
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_received = NULL, *rd_sent = NULL, *rd_forwarded = NULL, *rd_delivers = NULL;
 
-                st = rrdset_find_bytype_localhost("net_events", ifa->ifa_name);
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("net_events", ifa->ifa_name, NULL, ifa->ifa_name, "net.events", "Network Interface Events", "events/s", 7006, update_every, RRDSET_TYPE_LINE);
-                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+                    st = rrdset_create_localhost("ipv6",
+                                                 "packets",
+                                                 NULL,
+                                                 "packets",
+                                                 NULL,
+                                                 "IPv6 Packets",
+                                                 "packets/s",
+                                                 3000,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
 
-                    rrddim_add(st, "frames", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "collisions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "carrier", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                }
-                else rrdset_next(st);
+                    rd_received  = rrddim_add(st, "received",  NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_sent      = rrddim_add(st, "sent",      NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_forwarded = rrddim_add(st, "forwarded", NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_delivers  = rrddim_add(st, "delivers",  NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                } else
+                    rrdset_next(st);
 
-                rrddim_set(st, "collisions", IFA_DATA(collisions));
+                rrddim_set_by_pointer(st, rd_sent,      ip6stat.ip6s_localout);
+                rrddim_set_by_pointer(st, rd_received,  ip6stat.ip6s_total);
+                rrddim_set_by_pointer(st, rd_forwarded, ip6stat.ip6s_forward);
+                rrddim_set_by_pointer(st, rd_delivers,  ip6stat.ip6s_delivered);
                 rrdset_done(st);
             }
 
-            freeifaddrs(ifap);
-        }
-    }
+            // --------------------------------------------------------------------
 
-    // --------------------------------------------------------------------
+            if (do_ip6_fragsout == CONFIG_BOOLEAN_YES || (do_ip6_fragsout == CONFIG_BOOLEAN_AUTO &&
+                                                          (ip6stat.ip6s_fragmented || ip6stat.ip6s_cantfrag ||
+                                                           ip6stat.ip6s_ofragments))) {
+                do_ip6_fragsout = CONFIG_BOOLEAN_YES;
+
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_ok = NULL, *rd_failed = NULL, *rd_all = NULL;
 
-    // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
-    if (likely(do_tcp_sockets)) {
-        if (unlikely(GETSYSCTL_BY_NAME("net.inet.tcp.states", tcps_states))) {
-            do_tcp_sockets = 0;
-            error("DISABLED: ipv4.tcpsock");
-        } else {
-            if (likely(do_tcp_sockets)) {
-                st = rrdset_find_localhost("ipv4.tcpsock");
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "tcpsock", NULL, "tcp", NULL, "IPv4 TCP Connections",
-                                       "active connections", 2500, update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("ipv6",
+                                                 "fragsout",
+                                                 NULL,
+                                                 "fragments",
+                                                 NULL,
+                                                 "IPv6 Fragments Sent",
+                                                 "packets/s",
+                                                 3010,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
 
-                    rrddim_add(st, "CurrEstab", "connections", 1, 1, RRD_ALGORITHM_ABSOLUTE);
+                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+
+                    rd_ok     = rrddim_add(st, "ok",     NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_failed = rrddim_add(st, "failed", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_all    = rrddim_add(st, "all",    NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else
                     rrdset_next(st);
 
-                rrddim_set(st, "CurrEstab", tcps_states[TCPS_ESTABLISHED]);
+                rrddim_set_by_pointer(st, rd_ok, ip6stat.ip6s_fragmented);
+                rrddim_set_by_pointer(st, rd_failed, ip6stat.ip6s_cantfrag);
+                rrddim_set_by_pointer(st, rd_all, ip6stat.ip6s_ofragments);
                 rrdset_done(st);
             }
-        }
-    }
 
-    // --------------------------------------------------------------------
+            // --------------------------------------------------------------------
+
+            if (do_ip6_fragsin == CONFIG_BOOLEAN_YES || (do_ip6_fragsin == CONFIG_BOOLEAN_AUTO &&
+                                                         (ip6stat.ip6s_reassembled || ip6stat.ip6s_fragdropped ||
+                                                          ip6stat.ip6s_fragtimeout || ip6stat.ip6s_fragments))) {
+                do_ip6_fragsin = CONFIG_BOOLEAN_YES;
+
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_ok = NULL, *rd_failed = NULL, *rd_timeout = NULL, *rd_all = NULL;
 
-    // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
-    if (likely(do_tcp_packets || do_tcp_errors || do_tcp_handshake || do_tcpext_connaborts || do_tcpext_ofo || do_tcpext_syscookies || do_ecn)) {
-        if (unlikely(GETSYSCTL_BY_NAME("net.inet.tcp.stats", tcpstat))){
-            do_tcp_packets = 0;
-            error("DISABLED: ipv4.tcppackets");
-            do_tcp_errors = 0;
-            error("DISABLED: ipv4.tcperrors");
-            do_tcp_handshake = 0;
-            error("DISABLED: ipv4.tcphandshake");
-            do_tcpext_connaborts = 0;
-            error("DISABLED: ipv4.tcpconnaborts");
-            do_tcpext_ofo = 0;
-            error("DISABLED: ipv4.tcpofo");
-            do_tcpext_syscookies = 0;
-            error("DISABLED: ipv4.tcpsyncookies");
-            do_ecn = 0;
-            error("DISABLED: ipv4.ecnpkts");
-        } else {
-            if (likely(do_tcp_packets)) {
-                st = rrdset_find_localhost("ipv4.tcppackets");
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "tcppackets", NULL, "tcp", NULL, "IPv4 TCP Packets",
-                                       "packets/s",
-                                       2600, update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("ipv6",
+                                                 "fragsin",
+                                                 NULL,
+                                                 "fragments",
+                                                 NULL,
+                                                 "IPv6 Fragments Reassembly",
+                                                 "packets/s",
+                                                 3011,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
+
+                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                    rrddim_add(st, "InSegs", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutSegs", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_ok      = rrddim_add(st, "ok",      NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_failed  = rrddim_add(st, "failed",  NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_timeout = rrddim_add(st, "timeout", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_all     = rrddim_add(st, "all",     NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else
                     rrdset_next(st);
 
-                rrddim_set(st, "InSegs", tcpstat.tcps_rcvtotal);
-                rrddim_set(st, "OutSegs", tcpstat.tcps_sndtotal);
+                rrddim_set_by_pointer(st, rd_ok,      ip6stat.ip6s_reassembled);
+                rrddim_set_by_pointer(st, rd_failed,  ip6stat.ip6s_fragdropped);
+                rrddim_set_by_pointer(st, rd_timeout, ip6stat.ip6s_fragtimeout);
+                rrddim_set_by_pointer(st, rd_all,     ip6stat.ip6s_fragments);
                 rrdset_done(st);
             }
 
             // --------------------------------------------------------------------
 
-            if (likely(do_tcp_errors)) {
-                st = rrdset_find_localhost("ipv4.tcperrors");
+            if (do_ip6_errors == CONFIG_BOOLEAN_YES || (do_ip6_errors == CONFIG_BOOLEAN_AUTO && (
+                    ip6stat.ip6s_toosmall ||
+                    ip6stat.ip6s_odropped ||
+                    ip6stat.ip6s_badoptions ||
+                    ip6stat.ip6s_badvers ||
+                    ip6stat.ip6s_exthdrtoolong ||
+                    ip6stat.ip6s_sources_none ||
+                    ip6stat.ip6s_tooshort ||
+                    ip6stat.ip6s_cantforward ||
+                    ip6stat.ip6s_noroute))) {
+                do_ip6_errors = CONFIG_BOOLEAN_YES;
+
+                static RRDSET *st = NULL;
+                static RRDDIM *rd_in_discards = NULL, *rd_out_discards = NULL,
+                              *rd_in_hdr_errors = NULL, *rd_in_addr_errors = NULL, *rd_in_truncated_pkts = NULL,
+                              *rd_in_no_routes = NULL, *rd_out_no_routes = NULL;
+
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "tcperrors", NULL, "tcp", NULL, "IPv4 TCP Errors",
-                                       "packets/s",
-                                       2700, update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("ipv6",
+                                                 "errors",
+                                                 NULL,
+                                                 "errors",
+                                                 NULL,
+                                                 "IPv6 Errors",
+                                                 "packets/s",
+                                                 3002,
+                                                 update_every,
+                                                 RRDSET_TYPE_LINE
+                    );
+
                     rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                    rrddim_add(st, "InErrs", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "RetransSegs", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_discards       = rrddim_add(st, "InDiscards",      NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out_discards      = rrddim_add(st, "OutDiscards",     NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_hdr_errors     = rrddim_add(st, "InHdrErrors",     NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_addr_errors    = rrddim_add(st, "InAddrErrors",    NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_truncated_pkts = rrddim_add(st, "InTruncatedPkts", NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_in_no_routes      = rrddim_add(st, "InNoRoutes",      NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rd_out_no_routes     = rrddim_add(st, "OutNoRoutes",     NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else
                     rrdset_next(st);
 
-#if __FreeBSD__ >= 11
-                rrddim_set(st, "InErrs", tcpstat.tcps_rcvbadoff + tcpstat.tcps_rcvreassfull + tcpstat.tcps_rcvshort);
-#else
-                rrddim_set(st, "InErrs", tcpstat.tcps_rcvbadoff + tcpstat.tcps_rcvshort);
-#endif
-                rrddim_set(st, "InCsumErrors", tcpstat.tcps_rcvbadsum);
-                rrddim_set(st, "RetransSegs", tcpstat.tcps_sndrexmitpack);
+                rrddim_set_by_pointer(st, rd_in_discards,       ip6stat.ip6s_toosmall);
+                rrddim_set_by_pointer(st, rd_out_discards,      ip6stat.ip6s_odropped);
+                rrddim_set_by_pointer(st, rd_in_hdr_errors,     ip6stat.ip6s_badoptions + ip6stat.ip6s_badvers +
+                                                                ip6stat.ip6s_exthdrtoolong);
+                rrddim_set_by_pointer(st, rd_in_addr_errors,    ip6stat.ip6s_sources_none);
+                rrddim_set_by_pointer(st, rd_in_truncated_pkts, ip6stat.ip6s_tooshort);
+                rrddim_set_by_pointer(st, rd_in_no_routes,      ip6stat.ip6s_cantforward);
+                rrddim_set_by_pointer(st, rd_out_no_routes,     ip6stat.ip6s_noroute);
                 rrdset_done(st);
             }
+        }
+    } else {
+        error("DISABLED: net.inet6.ip6.stats module");
+        return 1;
+    }
 
-            // --------------------------------------------------------------------
+    return 0;
+}
 
-            if (likely(do_tcp_handshake)) {
-                st = rrdset_find_localhost("ipv4.tcphandshake");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "tcphandshake", NULL, "tcp", NULL,
-                                       "IPv4 TCP Handshake Issues",
-                                       "events/s", 2900, update_every, RRDSET_TYPE_LINE);
-                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+// --------------------------------------------------------------------------------------------------------------------
+// old sources
 
-                    rrddim_add(st, "EstabResets", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "ActiveOpens", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "PassiveOpens", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "AttemptFails", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+int do_freebsd_sysctl_old(int update_every, usec_t dt) {
+    static int do_disk_io = -1,
+        do_bandwidth = -1,
+        do_icmp6 = -1, do_icmp6_redir = -1, do_icmp6_errors = -1, do_icmp6_echos = -1, do_icmp6_router = -1,
+        do_icmp6_neighbor = -1, do_icmp6_types = -1, do_space = -1, do_inodes = -1;
 
-                rrddim_set(st, "EstabResets", tcpstat.tcps_drops);
-                rrddim_set(st, "ActiveOpens", tcpstat.tcps_connattempt);
-                rrddim_set(st, "PassiveOpens", tcpstat.tcps_accepts);
-                rrddim_set(st, "AttemptFails", tcpstat.tcps_conndrops);
-                rrdset_done(st);
-            }
+    if (unlikely(do_disk_io == -1)) {
+        do_disk_io              = config_get_boolean("plugin:freebsd:sysctl", "stats for all disks", 1);
+        do_bandwidth            = config_get_boolean("plugin:freebsd:sysctl", "bandwidth", 1);
+        do_icmp6                = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp", CONFIG_BOOLEAN_AUTO);
+        do_icmp6_redir          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp redirects", CONFIG_BOOLEAN_AUTO);
+        do_icmp6_errors         = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp errors", CONFIG_BOOLEAN_AUTO);
+        do_icmp6_echos          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp echos", CONFIG_BOOLEAN_AUTO);
+        do_icmp6_router         = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp router", CONFIG_BOOLEAN_AUTO);
+        do_icmp6_neighbor       = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp neighbor", CONFIG_BOOLEAN_AUTO);
+        do_icmp6_types          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "icmp types", CONFIG_BOOLEAN_AUTO);
+        do_space                = config_get_boolean("plugin:freebsd:sysctl", "space usage for all disks", 1);
+        do_inodes               = config_get_boolean("plugin:freebsd:sysctl", "inodes usage for all disks", 1);
+    }
 
-            // --------------------------------------------------------------------
+    RRDSET *st;
 
-            if (do_tcpext_connaborts == CONFIG_BOOLEAN_YES || (do_tcpext_connaborts == CONFIG_BOOLEAN_AUTO && (tcpstat.tcps_rcvpackafterwin || tcpstat.tcps_rcvafterclose || tcpstat.tcps_rcvmemdrop || tcpstat.tcps_persistdrop || tcpstat.tcps_finwait2_drops))) {
-                do_tcpext_connaborts = CONFIG_BOOLEAN_YES;
-                st = rrdset_find_localhost("ipv4.tcpconnaborts");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "tcpconnaborts", NULL, "tcp", NULL, "TCP Connection Aborts", "connections/s", 3010, update_every, RRDSET_TYPE_LINE);
+    int i;
+    char title[4096 + 1];
 
-                    rrddim_add(st, "TCPAbortOnData",    "baddata",     1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "TCPAbortOnClose",   "userclosed",  1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "TCPAbortOnMemory",  "nomemory",    1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "TCPAbortOnTimeout", "timeout",     1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "TCPAbortOnLinger",  "linger",      1, 1, RRD_ALGORITHM_INCREMENTAL);
-                }
-                else rrdset_next(st);
+    // NEEDED BY: do_disk_io
+    #define RRD_TYPE_DISK "disk"
+    #define BINTIME_SCALE 5.42101086242752217003726400434970855712890625e-17 // this is 1000/2^64
+    int numdevs;
+    static void *devstat_data = NULL;
+    struct devstat *dstat;
+    char disk[DEVSTAT_NAME_LEN + MAX_INT_DIGITS + 1];
+    struct cur_dstat {
+        collected_number duration_read_ms;
+        collected_number duration_write_ms;
+        collected_number busy_time_ms;
+    } cur_dstat;
+    struct prev_dstat {
+        collected_number bytes_read;
+        collected_number bytes_write;
+        collected_number operations_read;
+        collected_number operations_write;
+        collected_number duration_read_ms;
+        collected_number duration_write_ms;
+        collected_number busy_time_ms;
+    } prev_dstat;
 
-                rrddim_set(st, "TCPAbortOnData",    tcpstat.tcps_rcvpackafterwin);
-                rrddim_set(st, "TCPAbortOnClose",   tcpstat.tcps_rcvafterclose);
-                rrddim_set(st, "TCPAbortOnMemory",  tcpstat.tcps_rcvmemdrop);
-                rrddim_set(st, "TCPAbortOnTimeout", tcpstat.tcps_persistdrop);
-                rrddim_set(st, "TCPAbortOnLinger",  tcpstat.tcps_finwait2_drops);
-                rrdset_done(st);
-            }
+    // NEEDED BY: do_bandwidth
+    #define IFA_DATA(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
+    struct ifaddrs *ifa, *ifap;
+    struct iftot {
+        u_long  ift_ibytes;
+        u_long  ift_obytes;
+    } iftot = {0, 0};
 
-            // --------------------------------------------------------------------
+    // NEEDED BY: do_icmp6...
+    struct icmp6stat icmp6stat;
+    struct icmp6_total {
+        u_long  msgs_in;
+        u_long  msgs_out;
+    } icmp6_total = {0, 0};
 
-            if (do_tcpext_ofo == CONFIG_BOOLEAN_YES || (do_tcpext_ofo == CONFIG_BOOLEAN_AUTO && tcpstat.tcps_rcvoopack)) {
-                do_tcpext_ofo = CONFIG_BOOLEAN_YES;
-                st = rrdset_find_localhost("ipv4.tcpofo");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "tcpofo", NULL, "tcp", NULL, "TCP Out-Of-Order Queue", "packets/s", 3050, update_every, RRDSET_TYPE_LINE);
+    // NEEDED BY: do_space, do_inodes
+    struct statfs *mntbuf;
+    int mntsize;
+    char mntonname[MNAMELEN + 1];
 
-                    rrddim_add(st, "TCPOFOQueue", "inqueue",  1, 1, RRD_ALGORITHM_INCREMENTAL);
-                }
-                else rrdset_next(st);
+    // --------------------------------------------------------------------
 
-                rrddim_set(st, "TCPOFOQueue",   tcpstat.tcps_rcvoopack);
-                rrdset_done(st);
-            }
+    if (likely(do_disk_io)) {
+        if (unlikely(GETSYSCTL_BY_NAME("kern.devstat.numdevs", numdevs))) {
+            do_disk_io = 0;
+            error("DISABLED: disk.io");
+        } else {
+            devstat_data = reallocz(devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs); // there is generation number before devstat structures
+            if (unlikely(
+                    getsysctl_by_name("kern.devstat.all", devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs))) {
+                do_disk_io = 0;
+                error("DISABLED: disk.io");
+            } else {
+                dstat = devstat_data + sizeof(long); // skip generation number
+                collected_number total_disk_kbytes_read = 0;
+                collected_number total_disk_kbytes_write = 0;
 
-            // --------------------------------------------------------------------
+                for (i = 0; i < numdevs; i++) {
+                    if (((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT) || ((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_STORARRAY)) {
+                        sprintf(disk, "%s%d", dstat[i].device_name, dstat[i].unit_number);
 
-            if (do_tcpext_syscookies == CONFIG_BOOLEAN_YES || (do_tcpext_syscookies == CONFIG_BOOLEAN_AUTO && (tcpstat.tcps_sc_sendcookie || tcpstat.tcps_sc_recvcookie || tcpstat.tcps_sc_zonefail))) {
-                do_tcpext_syscookies = CONFIG_BOOLEAN_YES;
+                        // --------------------------------------------------------------------
 
-                st = rrdset_find_localhost("ipv4.tcpsyncookies");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "tcpsyncookies", NULL, "tcp", NULL, "TCP SYN Cookies", "packets/s", 3100, update_every, RRDSET_TYPE_LINE);
+                        st = rrdset_find_bytype_localhost(RRD_TYPE_DISK, disk);
+                        if (unlikely(!st)) {
+                            st = rrdset_create_localhost(RRD_TYPE_DISK, disk, NULL, disk, "disk.io", "Disk I/O Bandwidth", "kilobytes/s", 2000, update_every, RRDSET_TYPE_AREA);
 
-                    rrddim_add(st, "SyncookiesRecv",   "received",  1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "SyncookiesSent",   "sent",     -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "SyncookiesFailed", "failed",   -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                }
-                else rrdset_next(st);
+                            rrddim_add(st, "reads", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
+                            rrddim_add(st, "writes", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
+                        }
+                        else rrdset_next(st);
 
-                rrddim_set(st, "SyncookiesRecv",   tcpstat.tcps_sc_recvcookie);
-                rrddim_set(st, "SyncookiesSent",   tcpstat.tcps_sc_sendcookie);
-                rrddim_set(st, "SyncookiesFailed", tcpstat.tcps_sc_zonefail);
-                rrdset_done(st);
-            }
+                        total_disk_kbytes_read += dstat[i].bytes[DEVSTAT_READ]/KILO_FACTOR;
+                        total_disk_kbytes_write += dstat[i].bytes[DEVSTAT_WRITE]/KILO_FACTOR;
+                        prev_dstat.bytes_read = rrddim_set(st, "reads", dstat[i].bytes[DEVSTAT_READ]);
+                        prev_dstat.bytes_write = rrddim_set(st, "writes", dstat[i].bytes[DEVSTAT_WRITE]);
+                        rrdset_done(st);
 
-            // --------------------------------------------------------------------
+                        // --------------------------------------------------------------------
 
-            if (do_ecn == CONFIG_BOOLEAN_YES || (do_ecn == CONFIG_BOOLEAN_AUTO && (tcpstat.tcps_ecn_ce || tcpstat.tcps_ecn_ect0 || tcpstat.tcps_ecn_ect1))) {
-                do_ecn = CONFIG_BOOLEAN_YES;
-                st = rrdset_find_localhost("ipv4.ecnpkts");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "ecnpkts", NULL, "ecn", NULL, "IPv4 ECN Statistics", "packets/s", 8700, update_every, RRDSET_TYPE_LINE);
-                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+                        st = rrdset_find_bytype_localhost("disk_ops", disk);
+                        if (unlikely(!st)) {
+                            st = rrdset_create_localhost("disk_ops", disk, NULL, disk, "disk.ops", "Disk Completed I/O Operations", "operations/s", 2001, update_every, RRDSET_TYPE_LINE);
+                            rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                    rrddim_add(st, "InCEPkts", "CEP", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InNoECTPkts", "NoECTP", -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InECT0Pkts", "ECTP0", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InECT1Pkts", "ECTP1", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                }
-                else rrdset_next(st);
+                            rrddim_add(st, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                            rrddim_add(st, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                        }
+                        else rrdset_next(st);
 
-                rrddim_set(st, "InCEPkts", tcpstat.tcps_ecn_ce);
-                rrddim_set(st, "InNoECTPkts", tcpstat.tcps_ecn_ce - (tcpstat.tcps_ecn_ect0 + tcpstat.tcps_ecn_ect1));
-                rrddim_set(st, "InECT0Pkts", tcpstat.tcps_ecn_ect0);
-                rrddim_set(st, "InECT1Pkts", tcpstat.tcps_ecn_ect1);
-                rrdset_done(st);
-            }
+                        prev_dstat.operations_read = rrddim_set(st, "reads", dstat[i].operations[DEVSTAT_READ]);
+                        prev_dstat.operations_write = rrddim_set(st, "writes", dstat[i].operations[DEVSTAT_WRITE]);
+                        rrdset_done(st);
 
-        }
-    }
+                        // --------------------------------------------------------------------
 
-    // --------------------------------------------------------------------
+                        st = rrdset_find_bytype_localhost("disk_qops", disk);
+                        if (unlikely(!st)) {
+                            st = rrdset_create_localhost("disk_qops", disk, NULL, disk, "disk.qops", "Disk Current I/O Operations", "operations", 2002, update_every, RRDSET_TYPE_LINE);
+                            rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-    // see http://net-snmp.sourceforge.net/docs/mibs/udp.html
-    if (likely(do_udp_packets || do_udp_errors)) {
-        if (unlikely(GETSYSCTL_BY_NAME("net.inet.udp.stats", udpstat))) {
-            do_udp_packets = 0;
-            error("DISABLED: ipv4.udppackets");
-            do_udp_errors = 0;
-            error("DISABLED: ipv4.udperrors");
-        } else {
-            if (likely(do_udp_packets)) {
-                st = rrdset_find_localhost("ipv4.udppackets");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "udppackets", NULL, "udp", NULL, "IPv4 UDP Packets",
-                                       "packets/s", 2601, update_every, RRDSET_TYPE_LINE);
+                            rrddim_add(st, "operations", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+                        }
+                        else rrdset_next(st);
 
-                    rrddim_add(st, "InDatagrams", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutDatagrams", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+                        rrddim_set(st, "operations", dstat[i].start_count - dstat[i].end_count);
+                        rrdset_done(st);
 
-                rrddim_set(st, "InDatagrams", udpstat.udps_ipackets);
-                rrddim_set(st, "OutDatagrams", udpstat.udps_opackets);
-                rrdset_done(st);
-            }
+                        // --------------------------------------------------------------------
 
-            // --------------------------------------------------------------------
+                        st = rrdset_find_bytype_localhost("disk_util", disk);
+                        if (unlikely(!st)) {
+                            st = rrdset_create_localhost("disk_util", disk, NULL, disk, "disk.util", "Disk Utilization Time", "% of time working", 2004, update_every, RRDSET_TYPE_AREA);
+                            rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-            if (likely(do_udp_errors)) {
-                st = rrdset_find_localhost("ipv4.udperrors");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "udperrors", NULL, "udp", NULL, "IPv4 UDP Errors", "events/s",
-                                       2701, update_every, RRDSET_TYPE_LINE);
-                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+                            rrddim_add(st, "utilization", NULL, 1, 10, RRD_ALGORITHM_INCREMENTAL);
+                        }
+                        else rrdset_next(st);
 
-                    rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "NoPorts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "IgnoredMulti", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+                        cur_dstat.busy_time_ms = dstat[i].busy_time.sec * 1000 + dstat[i].busy_time.frac * BINTIME_SCALE;
+                        prev_dstat.busy_time_ms = rrddim_set(st, "utilization", cur_dstat.busy_time_ms);
+                        rrdset_done(st);
 
-                rrddim_set(st, "InErrors", udpstat.udps_hdrops + udpstat.udps_badlen);
-                rrddim_set(st, "NoPorts", udpstat.udps_noport);
-                rrddim_set(st, "RcvbufErrors", udpstat.udps_fullsock);
-                rrddim_set(st, "InCsumErrors", udpstat.udps_badsum + udpstat.udps_nosum);
-                rrddim_set(st, "IgnoredMulti", udpstat.udps_filtermcast);
-                rrdset_done(st);
-            }
-        }
-    }
+                        // --------------------------------------------------------------------
 
-    // --------------------------------------------------------------------
+                        st = rrdset_find_bytype_localhost("disk_iotime", disk);
+                        if (unlikely(!st)) {
+                            st = rrdset_create_localhost("disk_iotime", disk, NULL, disk, "disk.iotime", "Disk Total I/O Time", "milliseconds/s", 2022, update_every, RRDSET_TYPE_LINE);
+                            rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-    if (likely(do_icmp_packets || do_icmpmsg)) {
-        if (unlikely(GETSYSCTL_BY_NAME("net.inet.icmp.stats", icmpstat))) {
-            do_icmp_packets = 0;
-            error("DISABLED: ipv4.icmp");
-            error("DISABLED: ipv4.icmp_errors");
-            do_icmpmsg = 0;
-            error("DISABLED: ipv4.icmpmsg");
-        } else {
-            for (i = 0; i <= ICMP_MAXTYPE; i++) {
-                icmp_total.msgs_in += icmpstat.icps_inhist[i];
-                icmp_total.msgs_out += icmpstat.icps_outhist[i];
-            }
-            icmp_total.msgs_in += icmpstat.icps_badcode + icmpstat.icps_badlen + icmpstat.icps_checksum + icmpstat.icps_tooshort;
+                            rrddim_add(st, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                            rrddim_add(st, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                        }
+                        else rrdset_next(st);
+
+                        cur_dstat.duration_read_ms = dstat[i].duration[DEVSTAT_READ].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
+                        cur_dstat.duration_write_ms = dstat[i].duration[DEVSTAT_WRITE].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
+                        prev_dstat.duration_read_ms = rrddim_set(st, "reads", cur_dstat.duration_read_ms);
+                        prev_dstat.duration_write_ms = rrddim_set(st, "writes", cur_dstat.duration_write_ms);
+                        rrdset_done(st);
+
+                        // --------------------------------------------------------------------
+                        // calculate differential charts
+                        // only if this is not the first time we run
+
+                        if (likely(dt)) {
+
+                            // --------------------------------------------------------------------
+
+                            st = rrdset_find_bytype_localhost("disk_await", disk);
+                            if (unlikely(!st)) {
+                                st = rrdset_create_localhost("disk_await", disk, NULL, disk, "disk.await", "Average Completed I/O Operation Time", "ms per operation", 2005, update_every, RRDSET_TYPE_LINE);
+                                rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-            // --------------------------------------------------------------------
+                                rrddim_add(st, "reads", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+                                rrddim_add(st, "writes", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE);
+                            }
+                            else rrdset_next(st);
 
-            if (likely(do_icmp_packets)) {
-                st = rrdset_find_localhost("ipv4.icmp");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "icmp", NULL, "icmp", NULL, "IPv4 ICMP Packets", "packets/s",
-                                       2602,
-                                       update_every, RRDSET_TYPE_LINE);
+                            rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
+                                (cur_dstat.duration_read_ms - prev_dstat.duration_read_ms) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
+                            rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
+                                (cur_dstat.duration_write_ms - prev_dstat.duration_write_ms) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
+                            rrdset_done(st);
 
-                    rrddim_add(st, "InMsgs", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutMsgs", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+                            // --------------------------------------------------------------------
 
-                rrddim_set(st, "InMsgs", icmp_total.msgs_in);
-                rrddim_set(st, "OutMsgs", icmp_total.msgs_out);
+                            st = rrdset_find_bytype_localhost("disk_avgsz", disk);
+                            if (unlikely(!st)) {
+                                st = rrdset_create_localhost("disk_avgsz", disk, NULL, disk, "disk.avgsz", "Average Completed I/O Operation Bandwidth", "kilobytes per operation", 2006, update_every, RRDSET_TYPE_AREA);
+                                rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                rrdset_done(st);
+                                rrddim_add(st, "reads", NULL, 1, 1024, RRD_ALGORITHM_ABSOLUTE);
+                                rrddim_add(st, "writes", NULL, -1, 1024, RRD_ALGORITHM_ABSOLUTE);
+                            }
+                            else rrdset_next(st);
 
-                // --------------------------------------------------------------------
+                            rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
+                                (dstat[i].bytes[DEVSTAT_READ] - prev_dstat.bytes_read) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
+                            rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
+                                (dstat[i].bytes[DEVSTAT_WRITE] - prev_dstat.bytes_write) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
+                            rrdset_done(st);
 
-                st = rrdset_find_localhost("ipv4.icmp_errors");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "icmp_errors", NULL, "icmp", NULL, "IPv4 ICMP Errors",
-                                       "packets/s",
-                                       2603, update_every, RRDSET_TYPE_LINE);
+                            // --------------------------------------------------------------------
 
-                    rrddim_add(st, "InErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutErrors", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+                            st = rrdset_find_bytype_localhost("disk_svctm", disk);
+                            if (unlikely(!st)) {
+                                st = rrdset_create_localhost("disk_svctm", disk, NULL, disk, "disk.svctm", "Average Service Time", "ms per operation", 2007, update_every, RRDSET_TYPE_LINE);
+                                rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                rrddim_set(st, "InErrors", icmpstat.icps_badcode + icmpstat.icps_badlen + icmpstat.icps_checksum + icmpstat.icps_tooshort);
-                rrddim_set(st, "OutErrors", icmpstat.icps_error);
-                rrddim_set(st, "InCsumErrors", icmpstat.icps_checksum);
+                                rrddim_add(st, "svctm", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+                            }
+                            else rrdset_next(st);
 
-                rrdset_done(st);
-            }
+                            rrddim_set(st, "svctm", ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) ?
+                                (cur_dstat.busy_time_ms - prev_dstat.busy_time_ms) / ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) : 0);
+                            rrdset_done(st);
+                        }
+                    }
+                }
 
-            // --------------------------------------------------------------------
+                // --------------------------------------------------------------------
 
-            if (likely(do_icmpmsg)) {
-                st = rrdset_find_localhost("ipv4.icmpmsg");
+                st = rrdset_find_bytype_localhost("system", "io");
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "icmpmsg", NULL, "icmp", NULL, "IPv4 ICMP Messsages",
-                                       "packets/s", 2604, update_every, RRDSET_TYPE_LINE);
-
-                    rrddim_add(st, "InEchoReps", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutEchoReps", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InEchos", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutEchos", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
-
-                    rrddim_set(st, "InEchoReps", icmpstat.icps_inhist[ICMP_ECHOREPLY]);
-                    rrddim_set(st, "OutEchoReps", icmpstat.icps_outhist[ICMP_ECHOREPLY]);
-                    rrddim_set(st, "InEchos", icmpstat.icps_inhist[ICMP_ECHO]);
-                    rrddim_set(st, "OutEchos", icmpstat.icps_outhist[ICMP_ECHO]);
+                    st = rrdset_create_localhost("system", "io", NULL, "disk", NULL, "Disk I/O", "kilobytes/s", 150, update_every, RRDSET_TYPE_AREA);
+                    rrddim_add(st, "in",  NULL,  1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rrddim_add(st, "out", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                }
+                else rrdset_next(st);
 
+                rrddim_set(st, "in", total_disk_kbytes_read);
+                rrddim_set(st, "out", total_disk_kbytes_write);
                 rrdset_done(st);
             }
         }
@@ -2086,242 +2592,149 @@ int do_freebsd_sysctl_old(int update_every, usec_t dt) {
 
     // --------------------------------------------------------------------
 
-    // see also http://net-snmp.sourceforge.net/docs/mibs/ip.html
-    if (likely(do_ip_packets || do_ip_fragsout || do_ip_fragsin || do_ip_errors)) {
-        if (unlikely(GETSYSCTL_BY_NAME("net.inet.ip.stats", ipstat))) {
-            do_ip_packets = 0;
-            error("DISABLED: ipv4.packets");
-            do_ip_fragsout = 0;
-            error("DISABLED: ipv4.fragsout");
-            do_ip_fragsin = 0;
-            error("DISABLED: ipv4.fragsin");
-            do_ip_errors = 0;
-            error("DISABLED: ipv4.errors");
+    if (likely(do_bandwidth)) {
+        if (unlikely(getifaddrs(&ifap))) {
+            error("FREEBSD: getifaddrs()");
+            do_bandwidth = 0;
+            error("DISABLED: system.ipv4");
         } else {
-            if (likely(do_ip_packets)) {
-                st = rrdset_find_localhost("ipv4.packets");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "packets", NULL, "packets", NULL, "IPv4 Packets", "packets/s",
-                                       3000, update_every, RRDSET_TYPE_LINE);
-
-                    rrddim_add(st, "InReceives", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutRequests", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "ForwDatagrams", "forwarded", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InDelivers", "delivered", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
-
-                rrddim_set(st, "OutRequests", ipstat.ips_localout);
-                rrddim_set(st, "InReceives", ipstat.ips_total);
-                rrddim_set(st, "ForwDatagrams", ipstat.ips_forward);
-                rrddim_set(st, "InDelivers", ipstat.ips_delivered);
-                rrdset_done(st);
+            iftot.ift_ibytes = iftot.ift_obytes = 0;
+            for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
+                if (ifa->ifa_addr->sa_family != AF_INET)
+                        continue;
+                iftot.ift_ibytes += IFA_DATA(ibytes);
+                iftot.ift_obytes += IFA_DATA(obytes);
             }
 
-            // --------------------------------------------------------------------
-
-            if (likely(do_ip_fragsout)) {
-                st = rrdset_find_localhost("ipv4.fragsout");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "fragsout", NULL, "fragments", NULL, "IPv4 Fragments Sent",
-                                       "packets/s", 3010, update_every, RRDSET_TYPE_LINE);
-                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
-
-                    rrddim_add(st, "FragOKs", "ok", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "FragFails", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "FragCreates", "created", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+            st = rrdset_find_localhost("system.ipv4");
+            if (unlikely(!st)) {
+                st = rrdset_create_localhost("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
 
-                rrddim_set(st, "FragOKs", ipstat.ips_fragmented);
-                rrddim_set(st, "FragFails", ipstat.ips_cantfrag);
-                rrddim_set(st, "FragCreates", ipstat.ips_ofragments);
-                rrdset_done(st);
+                rrddim_add(st, "InOctets", "received", 8, 1024, RRD_ALGORITHM_INCREMENTAL);
+                rrddim_add(st, "OutOctets", "sent", -8, 1024, RRD_ALGORITHM_INCREMENTAL);
             }
+            else rrdset_next(st);
+
+            rrddim_set(st, "InOctets", iftot.ift_ibytes);
+            rrddim_set(st, "OutOctets", iftot.ift_obytes);
+            rrdset_done(st);
 
             // --------------------------------------------------------------------
 
-            if (likely(do_ip_fragsin)) {
-                st = rrdset_find_localhost("ipv4.fragsin");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "fragsin", NULL, "fragments", NULL,
-                                       "IPv4 Fragments Reassembly",
-                                       "packets/s", 3011, update_every, RRDSET_TYPE_LINE);
-                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+            iftot.ift_ibytes = iftot.ift_obytes = 0;
+            for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
+                if (ifa->ifa_addr->sa_family != AF_INET6)
+                        continue;
+                iftot.ift_ibytes += IFA_DATA(ibytes);
+                iftot.ift_obytes += IFA_DATA(obytes);
+            }
 
-                    rrddim_add(st, "ReasmOKs", "ok", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "ReasmFails", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "ReasmReqds", "all", 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+            st = rrdset_find_localhost("system.ipv6");
+            if (unlikely(!st)) {
+                st = rrdset_create_localhost("system", "ipv6", NULL, "network", NULL, "IPv6 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
 
-                rrddim_set(st, "ReasmOKs", ipstat.ips_fragments);
-                rrddim_set(st, "ReasmFails", ipstat.ips_fragdropped);
-                rrddim_set(st, "ReasmReqds", ipstat.ips_reassembled);
-                rrdset_done(st);
+                rrddim_add(st, "received", NULL, 8, 1024, RRD_ALGORITHM_INCREMENTAL);
+                rrddim_add(st, "sent", NULL, -8, 1024, RRD_ALGORITHM_INCREMENTAL);
             }
+            else rrdset_next(st);
 
-            // --------------------------------------------------------------------
+            rrddim_set(st, "sent", iftot.ift_obytes);
+            rrddim_set(st, "received", iftot.ift_ibytes);
+            rrdset_done(st);
 
-            if (likely(do_ip_errors)) {
-                st = rrdset_find_localhost("ipv4.errors");
-                if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv4", "errors", NULL, "errors", NULL, "IPv4 Errors", "packets/s",
-                                       3002,
-                                       update_every, RRDSET_TYPE_LINE);
-                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
+            for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
+                if (ifa->ifa_addr->sa_family != AF_LINK)
+                        continue;
 
-                    rrddim_add(st, "InDiscards", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutDiscards", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                // --------------------------------------------------------------------
 
-                    rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                st = rrdset_find_bytype_localhost("net", ifa->ifa_name);
+                if (unlikely(!st)) {
+                    st = rrdset_create_localhost("net", ifa->ifa_name, NULL, ifa->ifa_name, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
 
-                    rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InUnknownProtos", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+                    rrddim_add(st, "received", NULL, 8, 1024, RRD_ALGORITHM_INCREMENTAL);
+                    rrddim_add(st, "sent", NULL, -8, 1024, RRD_ALGORITHM_INCREMENTAL);
+                }
+                else rrdset_next(st);
 
-                rrddim_set(st, "InDiscards", ipstat.ips_badsum + ipstat.ips_tooshort + ipstat.ips_toosmall + ipstat.ips_toolong);
-                rrddim_set(st, "OutDiscards", ipstat.ips_odropped);
-                rrddim_set(st, "InHdrErrors", ipstat.ips_badhlen + ipstat.ips_badlen + ipstat.ips_badoptions + ipstat.ips_badvers);
-                rrddim_set(st, "InAddrErrors", ipstat.ips_badaddr);
-                rrddim_set(st, "InUnknownProtos", ipstat.ips_noproto);
-                rrddim_set(st, "OutNoRoutes", ipstat.ips_noroute);
+                rrddim_set(st, "received", IFA_DATA(ibytes));
+                rrddim_set(st, "sent", IFA_DATA(obytes));
                 rrdset_done(st);
-            }
-        }
-    }
 
-    // --------------------------------------------------------------------
+                // --------------------------------------------------------------------
 
-    if (likely(do_ip6_packets || do_ip6_fragsout || do_ip6_fragsin || do_ip6_errors)) {
-        if (unlikely(GETSYSCTL_BY_NAME("net.inet6.ip6.stats", ip6stat))) {
-            do_ip6_packets = 0;
-            error("DISABLED: ipv6.packets");
-            do_ip6_fragsout = 0;
-            error("DISABLED: ipv6.fragsout");
-            do_ip6_fragsin = 0;
-            error("DISABLED: ipv6.fragsin");
-            do_ip6_errors = 0;
-            error("DISABLED: ipv6.errors");
-        } else {
-            if (do_ip6_packets == CONFIG_BOOLEAN_YES || (do_ip6_packets == CONFIG_BOOLEAN_AUTO &&
-                                                          (ip6stat.ip6s_localout || ip6stat.ip6s_total ||
-                                                           ip6stat.ip6s_forward || ip6stat.ip6s_delivered))) {
-                do_ip6_packets = CONFIG_BOOLEAN_YES;
-                st = rrdset_find_localhost("ipv6.packets");
+                st = rrdset_find_bytype_localhost("net_packets", ifa->ifa_name);
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv6", "packets", NULL, "packets", NULL, "IPv6 Packets", "packets/s", 3000,
-                                       update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("net_packets", ifa->ifa_name, NULL, ifa->ifa_name, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
+                    rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
                     rrddim_add(st, "received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                     rrddim_add(st, "sent", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "forwarded", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "delivers", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+                    rrddim_add(st, "multicast_received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rrddim_add(st, "multicast_sent", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                }
+                else rrdset_next(st);
 
-                rrddim_set(st, "sent", ip6stat.ip6s_localout);
-                rrddim_set(st, "received", ip6stat.ip6s_total);
-                rrddim_set(st, "forwarded", ip6stat.ip6s_forward);
-                rrddim_set(st, "delivers", ip6stat.ip6s_delivered);
+                rrddim_set(st, "received", IFA_DATA(ipackets));
+                rrddim_set(st, "sent", IFA_DATA(opackets));
+                rrddim_set(st, "multicast_received", IFA_DATA(imcasts));
+                rrddim_set(st, "multicast_sent", IFA_DATA(omcasts));
                 rrdset_done(st);
-            }
 
-            // --------------------------------------------------------------------
+                // --------------------------------------------------------------------
 
-            if (do_ip6_fragsout == CONFIG_BOOLEAN_YES || (do_ip6_fragsout == CONFIG_BOOLEAN_AUTO &&
-                                                           (ip6stat.ip6s_fragmented || ip6stat.ip6s_cantfrag ||
-                                                            ip6stat.ip6s_ofragments))) {
-                do_ip6_fragsout = CONFIG_BOOLEAN_YES;
-                st = rrdset_find_localhost("ipv6.fragsout");
+                st = rrdset_find_bytype_localhost("net_errors", ifa->ifa_name);
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv6", "fragsout", NULL, "fragments", NULL, "IPv6 Fragments Sent",
-                                       "packets/s", 3010, update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("net_errors", ifa->ifa_name, NULL, ifa->ifa_name, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
                     rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                    rrddim_add(st, "ok", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "failed", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "all", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+                    rrddim_add(st, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rrddim_add(st, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                }
+                else rrdset_next(st);
 
-                rrddim_set(st, "ok", ip6stat.ip6s_fragmented);
-                rrddim_set(st, "failed", ip6stat.ip6s_cantfrag);
-                rrddim_set(st, "all", ip6stat.ip6s_ofragments);
+                rrddim_set(st, "inbound", IFA_DATA(ierrors));
+                rrddim_set(st, "outbound", IFA_DATA(oerrors));
                 rrdset_done(st);
-            }
 
-            // --------------------------------------------------------------------
+                // --------------------------------------------------------------------
 
-            if (do_ip6_fragsin == CONFIG_BOOLEAN_YES || (do_ip6_fragsin == CONFIG_BOOLEAN_AUTO &&
-                                                          (ip6stat.ip6s_reassembled || ip6stat.ip6s_fragdropped ||
-                                                           ip6stat.ip6s_fragtimeout || ip6stat.ip6s_fragments))) {
-                do_ip6_fragsin = CONFIG_BOOLEAN_YES;
-                st = rrdset_find_localhost("ipv6.fragsin");
+                st = rrdset_find_bytype_localhost("net_drops", ifa->ifa_name);
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv6", "fragsin", NULL, "fragments", NULL, "IPv6 Fragments Reassembly",
-                                       "packets/s", 3011, update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("net_drops", ifa->ifa_name, NULL, ifa->ifa_name, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
                     rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                    rrddim_add(st, "ok", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "failed", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "timeout", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "all", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
+                    rrddim_add(st, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+#if __FreeBSD__ >= 11
+                    rrddim_add(st, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+#endif
+                }
+                else rrdset_next(st);
 
-                rrddim_set(st, "ok", ip6stat.ip6s_reassembled);
-                rrddim_set(st, "failed", ip6stat.ip6s_fragdropped);
-                rrddim_set(st, "timeout", ip6stat.ip6s_fragtimeout);
-                rrddim_set(st, "all", ip6stat.ip6s_fragments);
+                rrddim_set(st, "inbound", IFA_DATA(iqdrops));
+#if __FreeBSD__ >= 11
+                rrddim_set(st, "outbound", IFA_DATA(oqdrops));
+#endif
                 rrdset_done(st);
-            }
 
-            // --------------------------------------------------------------------
+                // --------------------------------------------------------------------
 
-            if (do_ip6_errors == CONFIG_BOOLEAN_YES || (do_ip6_errors == CONFIG_BOOLEAN_AUTO && (
-                    ip6stat.ip6s_toosmall ||
-                    ip6stat.ip6s_odropped ||
-                    ip6stat.ip6s_badoptions ||
-                    ip6stat.ip6s_badvers ||
-                    ip6stat.ip6s_exthdrtoolong ||
-                    ip6stat.ip6s_sources_none ||
-                    ip6stat.ip6s_tooshort ||
-                    ip6stat.ip6s_cantforward ||
-                    ip6stat.ip6s_noroute))) {
-                do_ip6_errors = CONFIG_BOOLEAN_YES;
-                st = rrdset_find_localhost("ipv6.errors");
+                st = rrdset_find_bytype_localhost("net_events", ifa->ifa_name);
                 if (unlikely(!st)) {
-                    st = rrdset_create_localhost("ipv6", "errors", NULL, "errors", NULL, "IPv6 Errors", "packets/s", 3002,
-                                       update_every, RRDSET_TYPE_LINE);
+                    st = rrdset_create_localhost("net_events", ifa->ifa_name, NULL, ifa->ifa_name, "net.events", "Network Interface Events", "events/s", 7006, update_every, RRDSET_TYPE_LINE);
                     rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
 
-                    rrddim_add(st, "InDiscards", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "OutDiscards", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-
-                    rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InTruncatedPkts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-                    rrddim_add(st, "InNoRoutes", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-
-                    rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-                } else
-                    rrdset_next(st);
-
-                rrddim_set(st, "InDiscards", ip6stat.ip6s_toosmall);
-                rrddim_set(st, "OutDiscards", ip6stat.ip6s_odropped);
-
-                rrddim_set(st, "InHdrErrors",
-                           ip6stat.ip6s_badoptions + ip6stat.ip6s_badvers + ip6stat.ip6s_exthdrtoolong);
-                rrddim_set(st, "InAddrErrors", ip6stat.ip6s_sources_none);
-                rrddim_set(st, "InTruncatedPkts", ip6stat.ip6s_tooshort);
-                rrddim_set(st, "InNoRoutes", ip6stat.ip6s_cantforward);
+                    rrddim_add(st, "frames", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rrddim_add(st, "collisions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                    rrddim_add(st, "carrier", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+                }
+                else rrdset_next(st);
 
-                rrddim_set(st, "OutNoRoutes", ip6stat.ip6s_noroute);
+                rrddim_set(st, "collisions", IFA_DATA(collisions));
                 rrdset_done(st);
             }
+
+            freeifaddrs(ifap);
         }
     }
 
@@ -2612,21 +3025,5 @@ int do_freebsd_sysctl_old(int update_every, usec_t dt) {
         }
     }
 
-    // --------------------------------------------------------------------
-
-    if (likely(do_uptime)) {
-            clock_gettime(CLOCK_UPTIME, &up_time);
-            st = rrdset_find_localhost("system.uptime");
-
-            if(unlikely(!st)) {
-                st = rrdset_create_localhost("system", "uptime", NULL, "uptime", NULL, "System Uptime", "seconds", 1000, update_every, RRDSET_TYPE_LINE);
-                rrddim_add(st, "uptime", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
-            }
-            else rrdset_next(st);
-
-            rrddim_set(st, "uptime", up_time.tv_sec);
-            rrdset_done(st);
-    }
-
     return 0;
 }