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net-snmp/agent/mibgroup/mibII/kernel_netbsd.c

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/*
* NetBSD implementation for mapping the IP stat arrays into struct's
* Required for NetBSD versions produced after April 7th 2008 (4+)
*
* Based on: http://mail-index.netbsd.org/pkgsrc-users/2008/04/27/msg007095.html
*/
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/protosw.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/ip_var.h>
#include <netinet/icmp_var.h>
#include <netinet/icmp6.h>
#include <netinet/tcp.h>
#include <netinet/tcp_timer.h>
#include <netinet/tcp_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "kernel_netbsd.h"
#if defined(NETBSD_STATS_VIA_SYSCTL)
int
netbsd_read_icmp_stat(struct icmp_mib *mib)
{
uint64_t icmpstat[ICMP_NSTATS];
size_t size = sizeof(icmpstat);
int i;
(void)memset(mib, 0, sizeof(*mib));
if (-1 == sysctlbyname("net.inet.icmp.stats", icmpstat, &size, NULL, 0)) {
snmp_perror("netbsd_read_icmp_stat: net.inet.icmp.stats");
return -1;
}
mib->icmpInMsgs = icmpstat[ICMP_STAT_BADCODE]
+ icmpstat[ICMP_STAT_TOOSHORT]
+ icmpstat[ICMP_STAT_CHECKSUM]
+ icmpstat[ICMP_STAT_BADLEN];
for (i = 0; i <= ICMP_MAXTYPE; i++)
mib->icmpInMsgs += icmpstat[ICMP_STAT_INHIST + i];
mib->icmpInErrors = icmpstat[ICMP_STAT_BADCODE]
+ icmpstat[ICMP_STAT_TOOSHORT]
+ icmpstat[ICMP_STAT_CHECKSUM]
+ icmpstat[ICMP_STAT_BADLEN];
mib->icmpInDestUnreachs = icmpstat[ICMP_STAT_INHIST + ICMP_UNREACH];
mib->icmpInTimeExcds = icmpstat[ICMP_STAT_INHIST + ICMP_TIMXCEED];
mib->icmpInParmProbs = icmpstat[ICMP_STAT_INHIST + ICMP_PARAMPROB];
mib->icmpInSrcQuenchs = icmpstat[ICMP_STAT_INHIST + ICMP_SOURCEQUENCH];
mib->icmpInRedirects = icmpstat[ICMP_STAT_INHIST + ICMP_REDIRECT];
mib->icmpInEchos = icmpstat[ICMP_STAT_INHIST + ICMP_ECHO];
mib->icmpInEchoReps = icmpstat[ICMP_STAT_INHIST + ICMP_ECHOREPLY];
mib->icmpInTimestamps = icmpstat[ICMP_STAT_INHIST + ICMP_TSTAMP];
mib->icmpInTimestampReps
= icmpstat[ICMP_STAT_INHIST + ICMP_TSTAMPREPLY];
mib->icmpInAddrMasks = icmpstat[ICMP_STAT_INHIST + ICMP_MASKREQ];
mib->icmpInAddrMaskReps = icmpstat[ICMP_STAT_INHIST + ICMP_MASKREPLY];
mib->icmpOutMsgs = icmpstat[ICMP_STAT_OLDSHORT]
+ icmpstat[ICMP_STAT_OLDICMP];
for (i = 0; i <= ICMP_MAXTYPE; i++)
mib->icmpOutMsgs += icmpstat[ICMP_STAT_OUTHIST + i];
mib->icmpOutErrors = icmpstat[ICMP_STAT_OLDSHORT]
+ icmpstat[ICMP_STAT_OLDICMP];
mib->icmpOutDestUnreachs = icmpstat[ICMP_STAT_OUTHIST + ICMP_UNREACH];
mib->icmpOutTimeExcds = icmpstat[ICMP_STAT_OUTHIST + ICMP_TIMXCEED];
mib->icmpOutParmProbs = icmpstat[ICMP_STAT_OUTHIST + ICMP_PARAMPROB];
mib->icmpOutSrcQuenchs
= icmpstat[ICMP_STAT_OUTHIST + ICMP_SOURCEQUENCH];
mib->icmpOutRedirects = icmpstat[ICMP_STAT_OUTHIST + ICMP_REDIRECT];
mib->icmpOutEchos = icmpstat[ICMP_STAT_OUTHIST + ICMP_ECHO];
mib->icmpOutEchoReps = icmpstat[ICMP_STAT_OUTHIST + ICMP_ECHOREPLY];
mib->icmpOutTimestamps = icmpstat[ICMP_STAT_OUTHIST + ICMP_TSTAMP];
mib->icmpOutTimestampReps
= icmpstat[ICMP_STAT_OUTHIST + ICMP_TSTAMPREPLY];
mib->icmpOutAddrMasks = icmpstat[ICMP_STAT_OUTHIST + ICMP_MASKREQ];
mib->icmpOutAddrMaskReps = icmpstat[ICMP_STAT_OUTHIST + ICMP_MASKREPLY];
return 0;
}
int
netbsd_read_icmp6_stat(struct icmp6_mib *mib)
{
uint64_t icmpstat[ICMP6_NSTATS];
size_t size = sizeof(icmpstat);
int i;
(void)memset(mib, 0, sizeof(*mib));
if (-1 == sysctlbyname("net.inet6.icmp6.stats", icmpstat, &size, NULL, 0)) {
snmp_perror("netbsd_read_icmp6_stat: net.inet6.icmp6.stats");
return -1;
}
mib->icmp6InMsgs = icmpstat[ICMP6_STAT_BADCODE]
+ icmpstat[ICMP_STAT_TOOSHORT]
+ icmpstat[ICMP_STAT_CHECKSUM]
+ icmpstat[ICMP_STAT_BADLEN];
for (i = 0; i <= ICMP6_MAXTYPE; i++)
mib->icmp6InMsgs += icmpstat[ICMP6_STAT_INHIST + i];
mib->icmp6InErrors = icmpstat[ICMP6_STAT_BADCODE]
+ icmpstat[ICMP6_STAT_TOOSHORT]
+ icmpstat[ICMP6_STAT_CHECKSUM]
+ icmpstat[ICMP6_STAT_BADLEN];
mib->icmp6InDestUnreachs = icmpstat[ICMP6_STAT_INHIST + ICMP6_DST_UNREACH];
mib->icmp6InPktTooBigs = icmpstat[ICMP6_STAT_INHIST + ICMP6_PACKET_TOO_BIG];
mib->icmp6InTimeExcds = icmpstat[ICMP6_STAT_INHIST + ICMP6_TIME_EXCEEDED];
mib->icmp6InParmProblems = icmpstat[ICMP6_STAT_INHIST + ICMP6_PARAM_PROB];
mib->icmp6InEchos = icmpstat[ICMP6_STAT_INHIST + ICMP6_ECHO_REQUEST];
mib->icmp6InEchoReplies = icmpstat[ICMP6_STAT_INHIST + ICMP6_ECHO_REPLY];
mib->icmp6InGroupMembQueries = icmpstat[ICMP6_STAT_INHIST + MLD_LISTENER_QUERY];
mib->icmp6InGroupMembResponses = icmpstat[ICMP6_STAT_INHIST + MLD_LISTENER_REPORT];
mib->icmp6InRouterSolicits = icmpstat[ICMP6_STAT_INHIST + ND_ROUTER_SOLICIT];
mib->icmp6InRouterAdvertisements = icmpstat[ICMP6_STAT_INHIST + ND_ROUTER_ADVERT];
mib->icmp6InNeighborSolicits = icmpstat[ICMP6_STAT_INHIST + ND_NEIGHBOR_SOLICIT];
mib->icmp6InNeighborAdvertisements = icmpstat[ICMP6_STAT_INHIST + ND_NEIGHBOR_ADVERT];
mib->icmp6InRedirects = icmpstat[ICMP6_STAT_INHIST + ND_REDIRECT];
mib->icmp6OutMsgs = icmpstat[ICMP6_STAT_BADCODE]
+ icmpstat[ICMP6_STAT_TOOSHORT]
+ icmpstat[ICMP6_STAT_CHECKSUM]
+ icmpstat[ICMP6_STAT_BADLEN];
for (i = 0; i <= ICMP6_MAXTYPE; i++)
mib->icmp6OutMsgs += icmpstat[ICMP6_STAT_OUTHIST + i];
mib->icmp6OutDestUnreachs = icmpstat[ICMP6_STAT_OUTHIST + ICMP6_DST_UNREACH];
mib->icmp6OutPktTooBigs = icmpstat[ICMP6_STAT_OUTHIST + ICMP6_PACKET_TOO_BIG];
mib->icmp6OutTimeExcds = icmpstat[ICMP6_STAT_OUTHIST + ICMP6_TIME_EXCEEDED];
mib->icmp6OutParmProblems = icmpstat[ICMP6_STAT_OUTHIST + ICMP6_PARAM_PROB];
mib->icmp6OutEchos = icmpstat[ICMP6_STAT_OUTHIST + ICMP6_ECHO_REQUEST];
mib->icmp6OutEchoReplies = icmpstat[ICMP6_STAT_OUTHIST + ICMP6_ECHO_REPLY];
mib->icmp6OutRouterSolicits = icmpstat[ICMP6_STAT_OUTHIST + ND_ROUTER_SOLICIT];
mib->icmp6OutNeighborSolicits = icmpstat[ICMP6_STAT_OUTHIST + ND_NEIGHBOR_SOLICIT];
mib->icmp6OutNeighborAdvertisements = icmpstat[ICMP6_STAT_OUTHIST + ND_NEIGHBOR_ADVERT];
mib->icmp6OutRedirects = icmpstat[ICMP6_STAT_OUTHIST + ND_REDIRECT];
mib->icmp6OutGroupMembResponses = icmpstat[ICMP6_STAT_OUTHIST + MLD_LISTENER_REPORT];
mib->icmp6OutGroupMembReductions = icmpstat[ICMP6_STAT_OUTHIST + MLD_LISTENER_DONE];
return 0;
}
int
netbsd_read_icmp_msg_stat(struct icmp_mib *mib,
struct icmp4_msg_mib *msgmib,
int *flag)
{
netbsd_read_icmp_stat(mib);
*flag = 0;
return 0;
}
int
netbsd_read_icmp6_msg_stat(struct icmp6_mib *mib,
struct icmp6_msg_mib *msgmib,
int *support)
{
uint64_t icmpstat[ICMP6_NSTATS];
size_t size = sizeof(icmpstat);
int i;
netbsd_read_icmp6_stat(mib);
if (-1 == sysctlbyname("net.inet6.icmp6.stats", icmpstat, &size, NULL, 0)) {
snmp_perror("netbsd_read_icmp6_stat: net.inet6.icmp6.stats");
return -1;
}
for (i = 0; i < 256; i++) {
msgmib->vals[i].InType = icmpstat[ICMP6_STAT_INHIST+i];
msgmib->vals[i].OutType = icmpstat[ICMP6_STAT_OUTHIST+i];
}
*support = 1;
return 0;
}
int
netbsd_read_ip_stat(struct ip_mib *mib)
{
uint64_t ipstat[IP_NSTATS];
size_t size = sizeof(ipstat);
int i;
static int sname[4] = { 4, 2, 0, 0 }; /* CTL_NET, PF_INET, IPPROTO_IP, 0 */
size_t len;
(void)memset(mib, 0, sizeof(*mib));
if (-1 == sysctlbyname("net.inet.ip.stats", ipstat, &size, NULL, 0)) {
snmp_perror("netbsd_read_ip_stat: net.inet.ip.stats");
return -1;
}
mib->ipForwarding = 0;
len = sizeof i;
sname[3] = IPCTL_FORWARDING;
if (0 == sysctl(sname, 4, &i, &len, 0, 0)) {
mib->ipForwarding = (long)i;
}
mib->ipDefaultTTL = 0;
sname[3] = IPCTL_DEFTTL;
if (0 == sysctl(sname, 4, &i, &len, 0, 0)) {
mib->ipDefaultTTL = (long)i;
}
mib->ipInReceives = ipstat[IP_STAT_TOTAL];
mib->ipInHdrErrors = ipstat[IP_STAT_BADSUM]
+ ipstat[IP_STAT_TOOSHORT] + ipstat[IP_STAT_TOOSMALL]
+ ipstat[IP_STAT_BADHLEN] + ipstat[IP_STAT_BADLEN];
mib->ipInAddrErrors = ipstat[IP_STAT_CANTFORWARD];
mib->ipForwDatagrams = ipstat[IP_STAT_FORWARD];
mib->ipInUnknownProtos = ipstat[IP_STAT_NOPROTO];
mib->ipInDiscards = ipstat[IP_STAT_FRAGDROPPED]; /* FIXME */
mib->ipInDelivers = ipstat[IP_STAT_DELIVERED];
mib->ipOutRequests = ipstat[IP_STAT_LOCALOUT];
mib->ipOutDiscards = ipstat[IP_STAT_ODROPPED];
mib->ipOutNoRoutes = 0; /* FIXME */
mib->ipReasmTimeout = 0; /* IPFRAGTTL; */
mib->ipReasmReqds = ipstat[IP_STAT_FRAGMENTS];
mib->ipReasmOKs = ipstat[IP_STAT_REASSEMBLED];
mib->ipReasmFails = ipstat[IP_STAT_FRAGDROPPED]
+ ipstat[IP_STAT_FRAGTIMEOUT];
mib->ipFragOKs = ipstat[IP_STAT_FRAGMENTS];
mib->ipFragFails = ipstat[IP_STAT_CANTFRAG];
mib->ipFragCreates = ipstat[IP_STAT_OFRAGMENTS];
mib->ipRoutingDiscards = ipstat[IP_STAT_NOROUTE];
return 0;
}
int
netbsd_read_tcp_stat(struct tcp_mib *mib)
{
uint64_t tcpstat[TCP_NSTATS];
size_t size = sizeof(tcpstat);
(void)memset(mib, 0, sizeof(*mib));
if (-1 == sysctlbyname("net.inet.tcp.stats", tcpstat, &size, NULL, 0)) {
snmp_perror("netbsd_read_tcp_stat: net.inet.tcp.stats");
return -1;
}
mib->tcpRtoAlgorithm = 4; /* Assume Van Jacobsen's algorithm */
mib->tcpRtoMin = TCPTV_MIN;
mib->tcpRtoMax = TCPTV_REXMTMAX;
mib->tcpMaxConn = -1; /* Dynamic Maximum */
mib->tcpActiveOpens = tcpstat[TCP_STAT_CONNATTEMPT];
mib->tcpPassiveOpens = tcpstat[TCP_STAT_ACCEPTS];
mib->tcpAttemptFails = tcpstat[TCP_STAT_CONNDROPS];
mib->tcpEstabResets = tcpstat[TCP_STAT_DROPS];
mib->tcpCurrEstab = 0; /* FIXME */
mib->tcpInSegs = tcpstat[TCP_STAT_RCVTOTAL];
mib->tcpOutSegs = tcpstat[TCP_STAT_SNDTOTAL]
- tcpstat[TCP_STAT_SNDREXMITPACK];
mib->tcpRetransSegs = tcpstat[TCP_STAT_SNDREXMITPACK];
mib->tcpInErrs = tcpstat[TCP_STAT_RCVBADSUM]
+ tcpstat[TCP_STAT_RCVBADOFF]
+ tcpstat[TCP_STAT_RCVMEMDROP]
+ tcpstat[TCP_STAT_RCVSHORT];
mib->tcpOutRsts = tcpstat[TCP_STAT_SNDCTRL]
- tcpstat[TCP_STAT_CLOSED];
mib->tcpInErrsValid = mib->tcpInErrs; /* FIXME */
mib->tcpOutRstsValid = mib->tcpOutRsts; /* FIXME */
return 0;
}
int
netbsd_read_udp_stat(struct udp_mib *mib)
{
uint64_t udpstat[UDP_NSTATS];
size_t size = sizeof(udpstat);
(void)memset(mib, 0, sizeof(*mib));
if (-1 == sysctlbyname("net.inet.udp.stats", udpstat, &size, NULL, 0)) {
snmp_perror("netbsd_read_udp_stat: net.inet.udp.stats");
return -1;
}
mib->udpInDatagrams = udpstat[UDP_STAT_IPACKETS];
mib->udpNoPorts = udpstat[UDP_STAT_NOPORT];
mib->udpOutDatagrams = udpstat[UDP_STAT_OPACKETS];
mib->udpInErrors = udpstat[UDP_STAT_HDROPS]
+ udpstat[UDP_STAT_BADSUM] /* + udpstat[UDP_STAT_DISCARD] */ /* FIXME */
+ udpstat[UDP_STAT_FULLSOCK] + udpstat[UDP_STAT_BADLEN];
return 0;
}
#endif
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