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snmp_mibII: use net.inet.ip.fragttl sysctl for ipReasmTimeout
Using IPFRAGTTL define was never correct, as it was measured in PR_SLOWTIMO intervals. The sysctl returns seconds, just what ipReasmTimeout is.
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@ -44,6 +44,7 @@ static struct icmpstat icmpstat;
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static int ip_forwarding;
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static int ip_defttl;
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static u_int ip_fragttl;
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static uint64_t ip_tick;
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static uint64_t ipstat_tick;
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@ -79,6 +80,17 @@ fetch_ipstat(void)
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return (-1);
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}
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len = sizeof(ip_fragttl);
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if (sysctlbyname("net.inet.ip.fragttl", &ip_fragttl, &len,
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NULL, 0) == -1) {
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syslog(LOG_ERR, "net.inet.ip.fragttl: %m");
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return (-1);
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}
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if (len != sizeof(ip_fragttl)) {
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syslog(LOG_ERR, "net.inet.ip.fragttl: wrong size");
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return (-1);
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}
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ipstat_tick = get_ticks();
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return (0);
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}
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@ -309,7 +321,7 @@ op_ipstat(struct snmp_context *ctx __unused, struct snmp_value *value,
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break;
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case LEAF_ipReasmTimeout:
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value->v.integer = IPFRAGTTL;
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value->v.integer = ip_fragttl;
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break;
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case LEAF_ipReasmReqds:
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