/*- * Copyright (c) 2009 Sam Leffler, Errno Consulting * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any * redistribution must be conditioned upon including a substantially * similar Disclaimer requirement for further binary redistribution. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGES. */ /* * npe statistics class. */ #include #include #include #include #include #include #include #include #include "npestats.h" #define AFTER(prev) ((prev)+1) static const struct fmt npestats[] = { #define S_ALIGN 0 { 7, "align", "align", "alignment errors" }, #define S_FCS AFTER(S_ALIGN) { 7, "fcs", "fcs", "FCS errors" }, #define S_MACRX AFTER(S_FCS) { 7, "macrx", "macrx", "internal MAC rx errors" }, #define S_RXORN AFTER(S_MACRX) { 6, "overrun", "overrun", "rx overrun discards" }, #define S_LEARN AFTER(S_RXORN) { 5, "learn", "learn", "rx learned entry discards" }, #define S_LARGE AFTER(S_LEARN) { 5, "large", "large", "rx large frame discards" }, #define S_STP AFTER(S_LARGE) { 5, "stp", "stp", "rx STP blocked discards" }, #define S_RX_VLAN_TYPE AFTER(S_STP) { 5, "rx_vlan_type", "rx_vlant", "rx VLAN type filter discards" }, #define S_RX_VLAN_ID AFTER(S_RX_VLAN_TYPE) { 5, "rx_vlan_id", "rx_vlani", "rx VLAN Id filter discards" }, #define S_BADSRC AFTER(S_RX_VLAN_ID) { 5, "badsrc", "badsrc", "rx invalid source discards" }, #define S_BLACKLIST AFTER(S_BADSRC) { 5, "blacklist", "blacklist", "rx black list discards" }, #define S_WHITELIST AFTER(S_BLACKLIST) { 5, "whitelist", "whitelist", "rx white list discards" }, #define S_UNDERFLOW AFTER(S_WHITELIST) { 5, "underflow", "underflow", "rx underflow entry discards" }, #define S_COLL_SINGLE AFTER(S_UNDERFLOW) { 5, "collision1", "collision1", "single collision frames" }, #define S_COLL_MULTI AFTER(S_COLL_SINGLE) { 5, "collisionM", "collisionM", "multiple collision frames" }, #define S_DEFERRED AFTER(S_COLL_MULTI) { 5, "deferred", "deferred", "deferred transmissions" }, #define S_LATE AFTER(S_DEFERRED) { 5, "late", "late", "late collisions" }, #define S_EXCESSIVE AFTER(S_LATE) { 5, "excessive", "excessive", "excessive collisions" }, #define S_MACTX AFTER(S_EXCESSIVE) { 7, "mactx", "mactx", "internal MAC tx errors" }, #define S_CARRIER AFTER(S_MACTX) { 7, "carrier", "carrier", "carrier sense errors" }, #define S_TOOBIG AFTER(S_CARRIER) { 7, "toobig", "toobig", "tx large frame discards" }, #define S_TX_VLAN_ID AFTER(S_TOOBIG) { 7, "tx_vlan_id", "tx_vlani", "tx VLAN Id filter discards" }, }; #define S_LAST S_TX_VLAN_ID /* * Stat block returned by NPE with NPE_GETSTATS msg. */ struct npestats { uint32_t dot3StatsAlignmentErrors; uint32_t dot3StatsFCSErrors; uint32_t dot3StatsInternalMacReceiveErrors; uint32_t RxOverrunDiscards; uint32_t RxLearnedEntryDiscards; uint32_t RxLargeFramesDiscards; uint32_t RxSTPBlockedDiscards; uint32_t RxVLANTypeFilterDiscards; uint32_t RxVLANIdFilterDiscards; uint32_t RxInvalidSourceDiscards; uint32_t RxBlackListDiscards; uint32_t RxWhiteListDiscards; uint32_t RxUnderflowEntryDiscards; uint32_t dot3StatsSingleCollisionFrames; uint32_t dot3StatsMultipleCollisionFrames; uint32_t dot3StatsDeferredTransmissions; uint32_t dot3StatsLateCollisions; uint32_t dot3StatsExcessiveCollisions; uint32_t dot3StatsInternalMacTransmitErrors; uint32_t dot3StatsCarrierSenseErrors; uint32_t TxLargeFrameDiscards; uint32_t TxVLANIdFilterDiscards; }; struct npestatfoo_p { struct npestatfoo base; char oid[80]; int mib[4]; struct npestats cur; struct npestats total; }; static void npe_setifname(struct npestatfoo *wf0, const char *ifname) { struct npestatfoo_p *wf = (struct npestatfoo_p *) wf0; size_t len; snprintf(wf->oid, sizeof(wf->oid), "dev.npe.%s.stats", ifname+3); len = 4; if (sysctlnametomib(wf->oid, wf->mib, &len) < 0) err(1, "sysctlnametomib: %s", wf->oid); } static void npe_collect(struct npestatfoo_p *wf, struct npestats *stats) { size_t len = sizeof(struct npestats); if (sysctl(wf->mib, 4, stats, &len, NULL, 0) < 0) err(1, "sysctl: %s", wf->oid); } static void npe_collect_cur(struct bsdstat *sf) { struct npestatfoo_p *wf = (struct npestatfoo_p *) sf; npe_collect(wf, &wf->cur); } static void npe_collect_tot(struct bsdstat *sf) { struct npestatfoo_p *wf = (struct npestatfoo_p *) sf; npe_collect(wf, &wf->total); } static void npe_update_tot(struct bsdstat *sf) { struct npestatfoo_p *wf = (struct npestatfoo_p *) sf; wf->total = wf->cur; } static int npe_get_curstat(struct bsdstat *sf, int s, char b[], size_t bs) { struct npestatfoo_p *wf = (struct npestatfoo_p *) sf; #define STAT(x) \ snprintf(b, bs, "%u", wf->cur.x - wf->total.x); return 1 switch (s) { case S_ALIGN: STAT(dot3StatsAlignmentErrors); case S_FCS: STAT(dot3StatsFCSErrors); case S_MACRX: STAT(dot3StatsInternalMacReceiveErrors); case S_RXORN: STAT(RxOverrunDiscards); case S_LEARN: STAT(RxLearnedEntryDiscards); case S_LARGE: STAT(RxLargeFramesDiscards); case S_STP: STAT(RxSTPBlockedDiscards); case S_RX_VLAN_TYPE: STAT(RxVLANTypeFilterDiscards); case S_RX_VLAN_ID: STAT(RxVLANIdFilterDiscards); case S_BADSRC: STAT(RxInvalidSourceDiscards); case S_BLACKLIST: STAT(RxBlackListDiscards); case S_WHITELIST: STAT(RxWhiteListDiscards); case S_UNDERFLOW: STAT(RxUnderflowEntryDiscards); case S_COLL_SINGLE: STAT(dot3StatsSingleCollisionFrames); case S_COLL_MULTI: STAT(dot3StatsMultipleCollisionFrames); case S_DEFERRED: STAT(dot3StatsDeferredTransmissions); case S_LATE: STAT(dot3StatsLateCollisions); case S_EXCESSIVE: STAT(dot3StatsExcessiveCollisions); case S_MACTX: STAT(dot3StatsInternalMacTransmitErrors); case S_CARRIER: STAT(dot3StatsCarrierSenseErrors); case S_TOOBIG: STAT(TxLargeFrameDiscards); case S_TX_VLAN_ID: STAT(TxVLANIdFilterDiscards); } b[0] = '\0'; return 0; #undef STAT } static int npe_get_totstat(struct bsdstat *sf, int s, char b[], size_t bs) { struct npestatfoo_p *wf = (struct npestatfoo_p *) sf; #define STAT(x) \ snprintf(b, bs, "%u", wf->total.x); return 1 switch (s) { case S_ALIGN: STAT(dot3StatsAlignmentErrors); case S_FCS: STAT(dot3StatsFCSErrors); case S_MACRX: STAT(dot3StatsInternalMacReceiveErrors); case S_RXORN: STAT(RxOverrunDiscards); case S_LEARN: STAT(RxLearnedEntryDiscards); case S_LARGE: STAT(RxLargeFramesDiscards); case S_STP: STAT(RxSTPBlockedDiscards); case S_RX_VLAN_TYPE: STAT(RxVLANTypeFilterDiscards); case S_RX_VLAN_ID: STAT(RxVLANIdFilterDiscards); case S_BADSRC: STAT(RxInvalidSourceDiscards); case S_BLACKLIST: STAT(RxBlackListDiscards); case S_WHITELIST: STAT(RxWhiteListDiscards); case S_UNDERFLOW: STAT(RxUnderflowEntryDiscards); case S_COLL_SINGLE: STAT(dot3StatsSingleCollisionFrames); case S_COLL_MULTI: STAT(dot3StatsMultipleCollisionFrames); case S_DEFERRED: STAT(dot3StatsDeferredTransmissions); case S_LATE: STAT(dot3StatsLateCollisions); case S_EXCESSIVE: STAT(dot3StatsExcessiveCollisions); case S_MACTX: STAT(dot3StatsInternalMacTransmitErrors); case S_CARRIER: STAT(dot3StatsCarrierSenseErrors); case S_TOOBIG: STAT(TxLargeFrameDiscards); case S_TX_VLAN_ID: STAT(TxVLANIdFilterDiscards); } b[0] = '\0'; return 0; #undef STAT } BSDSTAT_DEFINE_BOUNCE(npestatfoo) struct npestatfoo * npestats_new(const char *ifname, const char *fmtstring) { struct npestatfoo_p *wf; wf = calloc(1, sizeof(struct npestatfoo_p)); if (wf != NULL) { bsdstat_init(&wf->base.base, "npestats", npestats, nitems(npestats)); /* override base methods */ wf->base.base.collect_cur = npe_collect_cur; wf->base.base.collect_tot = npe_collect_tot; wf->base.base.get_curstat = npe_get_curstat; wf->base.base.get_totstat = npe_get_totstat; wf->base.base.update_tot = npe_update_tot; /* setup bounce functions for public methods */ BSDSTAT_BOUNCE(wf, npestatfoo); /* setup our public methods */ wf->base.setifname = npe_setifname; npe_setifname(&wf->base, ifname); wf->base.setfmt(&wf->base, fmtstring); } return &wf->base; }