/release/src-rt-6.x.4708/router/snmp/agent/mibgroup/if-mib/data_access/interface_solaris2.c
C | 364 lines | 256 code | 40 blank | 68 comment | 27 complexity | 093a6daaeb3a479298ad908f3a8d118a MD5 | raw file
Possible License(s): CC-BY-SA-3.0, LGPL-2.1, BSD-3-Clause, 0BSD, WTFPL, LGPL-3.0, MPL-2.0-no-copyleft-exception, GPL-2.0, LGPL-2.0, GPL-3.0
- /*
- * Interface MIB architecture support for Solaris
- */
- #include <net-snmp/net-snmp-config.h>
- #include <net-snmp/net-snmp-features.h>
- #include <net-snmp/net-snmp-includes.h>
- #include "if-mib/ifTable/ifTable_constants.h"
- #include "kernel_sunos5.h"
- #include "mibII/mibII_common.h"
- #include <net-snmp/agent/net-snmp-agent-includes.h>
- #include <net-snmp/data_access/interface.h>
- #include "if-mib/data_access/interface.h"
- #include "interface_private.h"
- #include <sys/ioctl.h>
- #include <sys/sockio.h>
- #include <strings.h>
- #include <string.h>
- netsnmp_feature_child_of(interface_arch_set_admin_status, interface_all)
- static int _set_ip_flags_v4(netsnmp_interface_entry *, mib2_ifEntry_t *);
- static int _match_ifname_v4addr(void *ifname, void *ipaddr);
- static int _get_v4addr(mib2_ifEntry_t *ife, mib2_ipAddrEntry_t *e);
- static int _set_ip_flags_v6(netsnmp_interface_entry *, mib2_ifEntry_t *);
- #ifdef SOLARIS_HAVE_IPV6_MIB_SUPPORT
- static int _get_v6addr(mib2_ifEntry_t *ife, mib2_ipv6AddrEntry_t *ipv6e);
- static int _match_ifname_v6addr(void *ifname, void *ipaddr);
- #endif
- void
- netsnmp_arch_interface_init(void)
- {
- init_kernel_sunos5();
- }
- /*
- * find the ifIndex for an interface name
- *
- * @retval 0 : no index found
- * @retval >0: ifIndex for interface
- */
- oid
- netsnmp_arch_interface_index_find(const char *name)
- {
- #if defined(HAVE_IF_NAMETOINDEX)
- return if_nametoindex(name);
- #else /* use GIFINDEX */
- return solaris2_if_nametoindex(name, strlen(name));
- #endif /* defined(HAVE_IF_NAMETOINDEX) */
- }
- /*
- * @retval 0 success
- * @retval -1 no container specified
- * @retval -2 could not create entry (probably malloc)
- */
- int
- netsnmp_arch_interface_container_load(netsnmp_container* container,
- u_int l_flags)
- {
- netsnmp_interface_entry *entry = NULL;
- mib2_ifEntry_t ife;
- int rc;
- req_e req = GET_FIRST;
- int error = 0;
- DEBUGMSGTL(("access:interface:container:arch", "load (flags %u)\n",
- l_flags));
- if (container == NULL) {
- snmp_log(LOG_ERR,
- "no container specified/found for interface\n");
- return -1;
- }
- while ((rc = getMibstat(MIB_INTERFACES, &ife, sizeof(ife), req,
- &Get_everything, NULL)) == 0) {
-
- req = GET_NEXT;
-
- DEBUGMSGTL(("access:interface:container:arch",
- "processing '%s'\n", ife.ifDescr.o_bytes));
- entry =
- netsnmp_access_interface_entry_create(ife.ifDescr.o_bytes,
- ife.ifIndex);
- if (entry == NULL) {
- error = 1;
- break;
- }
- entry->ns_flags = 0;
- if (l_flags & NETSNMP_ACCESS_INTERFACE_LOAD_IP4_ONLY &&
- _set_ip_flags_v4(entry, &ife) == 0) {
- netsnmp_access_interface_entry_free(entry);
- continue;
- } else if (l_flags & NETSNMP_ACCESS_INTERFACE_LOAD_IP6_ONLY &&
- _set_ip_flags_v6(entry, &ife) == 0) {
- netsnmp_access_interface_entry_free(entry);
- continue;
- } else {
- (void) _set_ip_flags_v4(entry, &ife);
- (void) _set_ip_flags_v6(entry, &ife);
- }
- /*
- * collect the information needed by IF-MIB
- */
- entry->paddr = (char*)malloc(ife.ifPhysAddress.o_length);
- if (entry->paddr == NULL) {
- netsnmp_access_interface_entry_free(entry);
- error = 1;
- break;
- }
- entry->paddr_len = ife.ifPhysAddress.o_length;
- (void)memcpy(entry->paddr, ife.ifPhysAddress.o_bytes,
- ife.ifPhysAddress.o_length);
- entry->type = ife.ifType;
- entry->mtu = ife.ifMtu;
- entry->speed = ife.ifSpeed;
- entry->speed_high = entry->speed / 1000000;
- entry->ns_flags |= NETSNMP_INTERFACE_FLAGS_HAS_HIGH_SPEED;
- entry->oper_status = ife.ifOperStatus;
- entry->admin_status = ife.ifAdminStatus;
- if (ife.flags & IFF_PROMISC)
- entry->promiscuous = 1;
- entry->ns_flags |= NETSNMP_INTERFACE_FLAGS_ACTIVE;
- /*
- * Interface Stats.
- */
- if (! (l_flags & NETSNMP_ACCESS_INTERFACE_LOAD_NO_STATS)) {
- entry->ns_flags |=
- NETSNMP_INTERFACE_FLAGS_HAS_BYTES |
- NETSNMP_INTERFACE_FLAGS_HAS_DROPS |
- NETSNMP_INTERFACE_FLAGS_HAS_MCAST_PKTS;
- if (ife.ifHCInOctets > 0 || ife.ifHCOutOctets > 0) {
- /*
- * We make the assumption that if we have
- * a 64-bit Octet counter, then the other
- * counters are 64-bit as well.
- */
- DEBUGMSGTL(("access:interface:container:arch",
- "interface '%s' have 64-bit stat counters\n",
- entry->name));
- entry->ns_flags |=
- NETSNMP_INTERFACE_FLAGS_HAS_HIGH_BYTES |
- NETSNMP_INTERFACE_FLAGS_HAS_HIGH_PACKETS;
- /* in stats */
- entry->stats.ibytes.low = ife.ifHCInOctets & 0xffffffff;
- entry->stats.ibytes.high = ife.ifHCInOctets >> 32;
- entry->stats.iucast.low = ife.ifHCInUcastPkts & 0xffffffff;
- entry->stats.iucast.high = ife.ifHCInUcastPkts >> 32;
- entry->stats.imcast.low = ife.ifHCInMulticastPkts & 0xffffffff;
- entry->stats.imcast.high = ife.ifHCInMulticastPkts >> 32;
- entry->stats.ibcast.low = ife.ifHCInBroadcastPkts & 0xffffffff;
- entry->stats.ibcast.high = ife.ifHCInBroadcastPkts >> 32;
- /* out stats */
- entry->stats.obytes.low = ife.ifHCOutOctets & 0xffffffff;
- entry->stats.obytes.high = ife.ifHCOutOctets >> 32;
- entry->stats.oucast.low = ife.ifHCOutUcastPkts & 0xffffffff;
- entry->stats.oucast.high = ife.ifHCOutUcastPkts >> 32;
- entry->stats.omcast.low = ife.ifHCOutMulticastPkts & 0xffffffff;
- entry->stats.omcast.high = ife.ifHCOutMulticastPkts >> 32;
- entry->stats.obcast.low = ife.ifHCOutBroadcastPkts & 0xffffffff;
- entry->stats.obcast.high = ife.ifHCOutBroadcastPkts >> 32;
- } else {
- DEBUGMSGTL(("access:interface:container:arch",
- "interface '%s' have 32-bit stat counters\n",
- entry->name));
- /* in stats */
- entry->stats.ibytes.low = ife.ifInOctets;
- entry->stats.iucast.low = ife.ifInUcastPkts;
- entry->stats.imcast.low = ife.ifHCInMulticastPkts & 0xffffffff;
- entry->stats.ibcast.low = ife.ifHCInBroadcastPkts & 0xffffffff;
- /* out stats */
- entry->stats.obytes.low = ife.ifOutOctets;
- entry->stats.oucast.low = ife.ifOutUcastPkts;
- entry->stats.omcast.low = ife.ifHCOutMulticastPkts & 0xffffffff;
- entry->stats.obcast.low = ife.ifHCOutBroadcastPkts & 0xffffffff;
- }
- /* in stats */
- entry->stats.ierrors = ife.ifInErrors;
- entry->stats.idiscards = ife.ifInDiscards;
- entry->stats.iunknown_protos = ife.ifInUnknownProtos;
- entry->stats.inucast = ife.ifInNUcastPkts;
- /* out stats */
- entry->stats.oerrors = ife.ifOutErrors;
- entry->stats.odiscards = ife.ifOutDiscards;
- entry->stats.onucast = ife.ifOutNUcastPkts;
- entry->stats.oqlen = ife.ifOutQLen;
- /* other stats */
- entry->stats.collisions = ife.ifCollisions;
- }
- netsnmp_access_interface_entry_overrides(entry);
- /*
- * add to container
- */
- CONTAINER_INSERT(container, entry);
- }
- DEBUGMSGTL(("access:interface:container:arch", "rc = %d\n", rc));
- if (error) {
- DEBUGMSGTL(("access:interface:container:arch",
- "error %d, free container\n", error));
- netsnmp_access_interface_container_free(container,
- NETSNMP_ACCESS_INTERFACE_FREE_NOFLAGS);
- return -2;
- }
- return 0;
- }
- /**
- * @internal
- */
- static int
- _set_ip_flags_v4(netsnmp_interface_entry *entry, mib2_ifEntry_t *ife)
- {
- mib2_ipAddrEntry_t ipv4e;
- if (_get_v4addr(ife, &ipv4e) > 0) {
- entry->reasm_max_v4 = ipv4e.ipAdEntReasmMaxSize;
- entry->ns_flags |=
- NETSNMP_INTERFACE_FLAGS_HAS_IPV4 |
- NETSNMP_INTERFACE_FLAGS_HAS_V4_REASMMAX;
- #if defined( SOLARIS_HAVE_RFC4293_SUPPORT )
- entry->retransmit_v4 = ipv4e.ipAdEntRetransmitTime;
- entry->ns_flags |=
- NETSNMP_INTERFACE_FLAGS_HAS_V4_RETRANSMIT;
- #endif
- return (1);
- }
- return (0);
- }
- /**
- * @internal
- */
- static int
- _set_ip_flags_v6(netsnmp_interface_entry *entry, mib2_ifEntry_t *ife)
- {
- #ifdef SOLARIS_HAVE_IPV6_MIB_SUPPORT
- mib2_ipv6AddrEntry_t ipv6e;
- if (_get_v6addr(ife, &ipv6e) > 0) {
- entry->ns_flags |=
- NETSNMP_INTERFACE_FLAGS_HAS_IPV6;
- #if defined( SOLARIS_HAVE_RFC4293_SUPPORT )
- if (ipv6e.ipv6AddrIdentifierLen <= sizeof(entry->v6_if_id)) {
- entry->v6_if_id_len = ipv6e.ipv6AddrIdentifierLen;
- (void)memcpy(&entry->v6_if_id, &ipv6e.ipv6AddrIdentifier,
- entry->v6_if_id_len);
- entry->ns_flags |=
- NETSNMP_INTERFACE_FLAGS_HAS_V6_IFID;
- }
- entry->reasm_max_v6 = ipv6e.ipv6AddrReasmMaxSize;
- entry->retransmit_v6 = ipv6e.ipv6AddrRetransmitTime;
- entry->reachable_time = ipv6e.ipv6AddrReachableTime;
- entry->ns_flags |=
- NETSNMP_INTERFACE_FLAGS_HAS_V6_REASMMAX |
- NETSNMP_INTERFACE_FLAGS_HAS_V6_RETRANSMIT |
- NETSNMP_INTERFACE_FLAGS_HAS_V6_REACHABLE;
- /* XXX forwarding info missing */
- #else
- /* XXX Don't have this info, 1500 is the minimum */
- entry->reasm_max_v6 = 1500;
- entry->ns_flags |=
- NETSNMP_INTERFACE_FLAGS_HAS_V6_REASMMAX; /* ??? */
- #endif /* SOLARIS_HAVE_RFC4293_SUPPORT */
- return (1);
- }
- #endif /* SOLARIS_HAVE_IPV6_MIB_SUPPORT */
- return (0);
- }
- /**
- * @internal
- */
- static int
- _match_ifname_v4addr(void *ifname, void *ipaddr)
- {
- DeviceName *devname = &((mib2_ipAddrEntry_t *)ipaddr)->ipAdEntIfIndex;
- return (strncmp((char *)ifname, devname->o_bytes, devname->o_length));
-
- }
- /**
- * @internal
- *
- * Search for address entry that belongs to the IF entry.
- * Returns 1 if an address was found, in which case the entry
- * will be stored in ipv4e. If not entry was found, 0 is returned.
- *
- */
- static int
- _get_v4addr(mib2_ifEntry_t *ife, mib2_ipAddrEntry_t *ipv4e)
- {
- int rc;
- if ((rc = getMibstat(MIB_IP_ADDR, ipv4e, sizeof(*ipv4e), GET_EXACT,
- &_match_ifname_v4addr, &ife->ifDescr.o_bytes)) == 0)
- return (1);
- memset(ipv4e, '\0', sizeof(*ipv4e));
- return (0);
- }
- #ifdef SOLARIS_HAVE_IPV6_MIB_SUPPORT
- /**
- * @internal
- */
- static int
- _match_ifname_v6addr(void *ifname, void *ipaddr)
- {
- DeviceName *devname = &((mib2_ipv6AddrEntry_t*)ipaddr)->ipv6AddrIfIndex;
- return (strncmp((char *)ifname, devname->o_bytes, devname->o_length));
-
- }
- /**
- * @internal
- *
- * Search for address entry that belongs to the IF entry.
- * Returns 1 if an address was found, in which case the entry
- * will be stored in ipv4e. If not entry was found, 0 is returned.
- *
- */
- static int
- _get_v6addr(mib2_ifEntry_t *ife, mib2_ipv6AddrEntry_t *ipv6e)
- {
- int rc;
- if ((rc = getMibstat(MIB_IP6_ADDR, ipv6e, sizeof(*ipv6e), GET_EXACT,
- &_match_ifname_v6addr, &ife->ifDescr.o_bytes)) == 0) {
- return (1);
- }
- memset(ipv6e, '\0', sizeof(*ipv6e));
- return (0);
- }
- #endif /* SOLARIS_HAVE_IPV6_MIB_SUPPORT */
- #ifndef NETSNMP_FEATURE_REMOVE_INTERFACE_ARCH_SET_ADMIN_STATUS
- int
- netsnmp_arch_set_admin_status(netsnmp_interface_entry * entry,
- int ifAdminStatus_val)
- {
- DEBUGMSGTL(("access:interface:arch", "set_admin_status\n"));
- /*
- * XXX Not supported yet
- */
- return (-1);
- }
- #endif /* NETSNMP_FEATURE_REMOVE_INTERFACE_ARCH_SET_ADMIN_STATUS */