d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

This commit was generated by cvs2svn to compensate for changes in r155602,

Browse Source 
which included commits to RCS files with non-trunk default branches.
This commit is contained in:
Hartmut Brandt 2006-02-13 14:11:18 +00:00
commit 4232b8b134
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=155603
6 changed files with 207 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
contrib/bsnmp/oid-list
View File

@ -11,6 +11,7 @@ enterprises
1 BEGEMOT
1 BEGEMOT-SNMPD
2 BEGEMOT-NETGRAPH snmpd netgraph module
3 BEGEMOT-IP snmpd mibII module
100 BEGEMOT-ILMID snmpd ILMID module
101 BEGEMOT-ATM snmpd ATM module
200 BEGEMOT-PF snmpd PF module (phillip@freebsd.org)

159
contrib/bsnmp/snmp_mibII/mibII.c
View File

@ -105,6 +105,18 @@ struct clockinfo clockinfo;
/* list of all New if registrations */
static struct newifreg_list newifreg_list = TAILQ_HEAD_INITIALIZER(newifreg_list);
/* baud rate of fastest interface */
uint64_t mibif_maxspeed;
/* user-forced update interval */
u_int mibif_force_hc_update_interval;
/* current update interval */
u_int mibif_hc_update_interval;
/* HC update timer handle */
static void *hc_update_timer;
/*****************************/
static const struct asn_oid oid_ifMIB = OIDX_ifMIB;
@ -280,16 +292,15 @@ link_trap(struct mibif *ifp, int up)
(struct snmp_value *)NULL);
}
/*
* Fetch new MIB data.
/**
* Fetch the GENERIC IFMIB and update the HC counters
*/
int
mib_fetch_ifmib(struct mibif *ifp)
static int
fetch_generic_mib(struct mibif *ifp, const struct ifmibdata *old)
{
int name[6];
size_t len;
void *newmib;
struct ifmibdata oldmib = ifp->mib;
struct mibif_private *p = ifp->private;
name[0] = CTL_NET;
name[1] = PF_LINK;
@ -306,6 +317,113 @@ mib_fetch_ifmib(struct mibif *ifp)
return (-1);
}
/*
* Assume that one of the two following compounds is optimized away
*/
if (ULONG_MAX >= 0xffffffffffffffffULL) {
p->hc_inoctets = ifp->mib.ifmd_data.ifi_ibytes;
p->hc_outoctets = ifp->mib.ifmd_data.ifi_obytes;
p->hc_omcasts = ifp->mib.ifmd_data.ifi_omcasts;
p->hc_opackets = ifp->mib.ifmd_data.ifi_opackets;
p->hc_imcasts = ifp->mib.ifmd_data.ifi_imcasts;
p->hc_ipackets = ifp->mib.ifmd_data.ifi_ipackets;
} else if (ULONG_MAX >= 0xffffffff) {
#define UPDATE(HC, MIB) \
if (old->ifmd_data.MIB > ifp->mib.ifmd_data.MIB) \
p->HC += (0x100000000ULL + \
ifp->mib.ifmd_data.MIB) - \
old->ifmd_data.MIB; \
else \
p->HC += ifp->mib.ifmd_data.MIB - \
old->ifmd_data.MIB;
UPDATE(hc_inoctets, ifi_ibytes)
UPDATE(hc_outoctets, ifi_obytes)
UPDATE(hc_omcasts, ifi_omcasts)
UPDATE(hc_opackets, ifi_opackets)
UPDATE(hc_imcasts, ifi_imcasts)
UPDATE(hc_ipackets, ifi_ipackets)
#undef UPDATE
} else
abort();
return (0);
}
/**
* Update the 64-bit interface counters
*/
static void
update_hc_counters(void *arg __unused)
{
struct mibif *ifp;
struct ifmibdata oldmib;
TAILQ_FOREACH(ifp, &mibif_list, link) {
oldmib = ifp->mib;
(void)fetch_generic_mib(ifp, &oldmib);
}
}
/**
* Recompute the poll timer for the HC counters
*/
void
mibif_reset_hc_timer(void)
{
u_int ticks;
if ((ticks = mibif_force_hc_update_interval) == 0) {
if (mibif_maxspeed <= 10000000) {
/* at 10Mbps overflow needs 3436 seconds */
ticks = 3000 * 100; /* 50 minutes */
} else if (mibif_maxspeed <= 100000000) {
/* at 100Mbps overflow needs 343 seconds */
ticks = 300 * 100; /* 5 minutes */
} else if (mibif_maxspeed < 650000000) {
/* at 622Mbps overflow needs 53 seconds */
ticks = 40 * 100; /* 40 seconds */
} else if (mibif_maxspeed <= 1000000000) {
/* at 1Gbps overflow needs 34 seconds */
ticks = 20 * 100; /* 20 seconds */
} else {
/* at 10Gbps overflow needs 3.4 seconds */
ticks = 100; /* 1 seconds */
}
}
if (ticks == mibif_hc_update_interval)
return;
if (hc_update_timer != NULL) {
timer_stop(hc_update_timer);
hc_update_timer = NULL;
}
update_hc_counters(NULL);
if ((hc_update_timer = timer_start_repeat(ticks * 10, ticks * 10,
update_hc_counters, NULL, module)) == NULL) {
syslog(LOG_ERR, "timer_start(%u): %m", ticks);
return;
}
mibif_hc_update_interval = ticks;
}
/*
* Fetch new MIB data.
*/
int
mib_fetch_ifmib(struct mibif *ifp)
{
int name[6];
size_t len;
void *newmib;
struct ifmibdata oldmib = ifp->mib;
if (fetch_generic_mib(ifp, &oldmib) == -1)
return (-1);
/*
* Quoting RFC2863, 3.1.15: "... LinkUp and linkDown traps are
* generated just after ifOperStatus leaves, or just before it
@ -324,10 +442,19 @@ mib_fetch_ifmib(struct mibif *ifp)
if (ifp->mib.ifmd_data.ifi_baudrate > 650000000)
ifp->flags |= MIBIF_VERYHIGHSPEED;
}
if (ifp->mib.ifmd_data.ifi_baudrate > mibif_maxspeed) {
mibif_maxspeed = ifp->mib.ifmd_data.ifi_baudrate;
mibif_reset_hc_timer();
}
/*
* linkspecific MIB
*/
name[0] = CTL_NET;
name[1] = PF_LINK;
name[2] = NETLINK_GENERIC;
name[3] = IFMIB_IFDATA;
name[4] = ifp->sysindex;
name[5] = IFDATA_LINKSPECIFIC;
if (sysctl(name, 6, NULL, &len, NULL, 0) == -1) {
syslog(LOG_WARNING, "sysctl linkmib estimate (%s): %m",
@ -519,6 +646,7 @@ get_physaddr(struct mibif *ifp, struct sockaddr_dl *sdl, u_char *ptr)
static void
mibif_free(struct mibif *ifp)
{
struct mibif *ifp1;
struct mibindexmap *map;
struct mibifa *ifa, *ifa1;
struct mibrcvaddr *rcv, *rcv1;
@ -531,6 +659,18 @@ mibif_free(struct mibif *ifp)
(void)mib_ifstack_delete(NULL, ifp);
TAILQ_REMOVE(&mibif_list, ifp, link);
/* if this was the fastest interface - recompute this */
if (ifp->mib.ifmd_data.ifi_baudrate == mibif_maxspeed) {
mibif_maxspeed = ifp->mib.ifmd_data.ifi_baudrate;
TAILQ_FOREACH(ifp1, &mibif_list, link)
if (ifp1->mib.ifmd_data.ifi_baudrate > mibif_maxspeed)
mibif_maxspeed =
ifp1->mib.ifmd_data.ifi_baudrate;
mibif_reset_hc_timer();
}
free(ifp->private);
if (ifp->physaddr != NULL)
free(ifp->physaddr);
if (ifp->specmib != NULL)
@ -589,6 +729,13 @@ mibif_create(u_int sysindex, const char *name)
return (NULL);
}
memset(ifp, 0, sizeof(*ifp));
if ((ifp->private = malloc(sizeof(struct mibif_private))) == NULL) {
syslog(LOG_WARNING, "%s: %m", __func__);
free(ifp);
return (NULL);
}
memset(ifp->private, 0, sizeof(struct mibif_private));
ifp->sysindex = sysindex;
strcpy(ifp->name, name);
strcpy(ifp->descr, name);

32
contrib/bsnmp/snmp_mibII/mibII.h
View File

@ -56,7 +56,6 @@
#include "snmp_mibII.h"
#include "mibII_tree.h"
/*
* Interface list and flags.
*/
@ -66,12 +65,19 @@ enum {
MIBIF_HIGHSPEED = 0x0002,
MIBIF_VERYHIGHSPEED = 0x0004,
};
#define hc_inoctets mib.ifmd_data.ifi_ibytes
#define hc_outoctets mib.ifmd_data.ifi_obytes
#define hc_omcasts mib.ifmd_data.ifi_omcasts
#define hc_opackets mib.ifmd_data.ifi_opackets
#define hc_imcasts mib.ifmd_data.ifi_imcasts
#define hc_ipackets mib.ifmd_data.ifi_ipackets
/*
* Private mibif data - hang off from the mibif.
*/
struct mibif_private {
uint64_t hc_inoctets;
uint64_t hc_outoctets;
uint64_t hc_omcasts;
uint64_t hc_opackets;
uint64_t hc_imcasts;
uint64_t hc_ipackets;
};
#define MIBIF_PRIV(IFP) ((struct mibif_private *)((IFP)->private))
/*
* Interface addresses.
@ -193,6 +199,18 @@ extern uint64_t mibarpticks;
/* info on system clocks */
extern struct clockinfo clockinfo;
/* baud rate of fastest interface */
extern uint64_t mibif_maxspeed;
/* user-forced update interval */
extern u_int mibif_force_hc_update_interval;
/* current update interval */
extern u_int mibif_hc_update_interval;
/* re-compute update interval */
void mibif_reset_hc_timer(void);
/* get interfaces and interface addresses. */
void mib_fetch_interfaces(void);

14
contrib/bsnmp/snmp_mibII/mibII_interfaces.c
View File

@ -463,19 +463,20 @@ op_ifxtable(struct snmp_context *ctx, struct snmp_value *value,
case LEAF_ifHCInOctets:
if (!(ifp->flags & MIBIF_HIGHSPEED))
goto again;
value->v.counter64 = ifp->hc_inoctets;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_inoctets;
break;
case LEAF_ifHCInUcastPkts:
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
goto again;
value->v.counter64 = ifp->hc_ipackets - ifp->hc_imcasts;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_ipackets -
MIBIF_PRIV(ifp)->hc_imcasts;
break;
case LEAF_ifHCInMulticastPkts:
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
goto again;
value->v.counter64 = ifp->hc_imcasts;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_imcasts;
break;
case LEAF_ifHCInBroadcastPkts:
@ -487,19 +488,20 @@ op_ifxtable(struct snmp_context *ctx, struct snmp_value *value,
case LEAF_ifHCOutOctets:
if (!(ifp->flags & MIBIF_HIGHSPEED))
goto again;
value->v.counter64 = ifp->hc_outoctets;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_outoctets;
break;
case LEAF_ifHCOutUcastPkts:
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
goto again;
value->v.counter64 = ifp->hc_opackets - ifp->hc_omcasts;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_opackets -
MIBIF_PRIV(ifp)->hc_omcasts;
break;
case LEAF_ifHCOutMulticastPkts:
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
goto again;
value->v.counter64 = ifp->hc_omcasts;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_omcasts;
break;
case LEAF_ifHCOutBroadcastPkts:

17
contrib/bsnmp/snmp_mibII/mibII_tree.def
View File

@ -230,6 +230,23 @@
(50 udpMIB
)
))
(4 private
(1 enterprises
(12325 fokus
(1 begemot
(3 begemotIp
(1 begemotIpObjects
(1 begemotMib2
(1 begemotIfMaxspeed COUNTER64 op_begemot_mibII GET)
(2 begemotIfPoll TIMETICKS op_begemot_mibII GET)
(3 begemotIfForcePoll TIMETICKS op_begemot_mibII GET SET)
)
)
)
)
)
)
)
(6 snmpV2
(3 snmpModules
(1 snmpMIB

3
contrib/bsnmp/snmp_mibII/snmp_mibII.h
View File

@ -79,6 +79,9 @@ struct mibif {
/* to be set by ifType specific modules. This is ifSpecific. */
struct asn_oid spec_oid;
/* private data - don't touch */
void *private;
};
/*