mirror of
https://github.com/ibm-s390-linux/s390-tools.git
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b627b8d8e1
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
203 lines
7.7 KiB
C
203 lines
7.7 KiB
C
/*
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* osasnmpd - IBM OSA-Express network card SNMP subagent
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*
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* Defines constants and data structures used by the OSA-E subagent.
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*
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* Copyright IBM Corp. 2002, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include <net-snmp/net-snmp-config.h>
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#include <net-snmp/net-snmp-includes.h>
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#include <net-snmp/agent/net-snmp-agent-includes.h>
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#ifndef NETSNMP_DS_APPLICATION_ID
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#define NETSNMP_DS_APPLICATION_ID DS_APPLICATION_ID
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#endif
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#ifndef NETSNMP_DS_AGENT_ROLE
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#define NETSNMP_DS_AGENT_ROLE DS_AGENT_ROLE
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#endif
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#ifndef NETSNMP_DS_AGENT_X_SOCKET
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#define NETSNMP_DS_AGENT_X_SOCKET DS_AGENT_X_SOCKET
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#endif
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/* version number of this agent */
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/* default log file - don't change it here, use parameter -l */
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#define OSAE_LOGFILE "/var/log/osasnmpd.log"
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/* definitions for subagent to master agent definition */
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#define NET_SNMP_PEERNAME "localhost"
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#define NET_SNMP_COMMUNITY "public"
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/* need this for OSA Express ioctl's */
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#define QETH_PROCFILE "/proc/qeth"
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#define QETH_IOC_MAGIC 'Z'
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#define QETH_IOCPROC_REGISTER _IOW(QETH_IOC_MAGIC, 1, int)
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#define QETH_UPDATE_MIB_SIGNAL SIGUSR1
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#define QETH_QUERY_IPA_DATA _IOWR(QETH_IOC_MAGIC, 7, int )
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#define QETH_CHECK_OSA_DEVICE _IOWR(QETH_IOC_MAGIC, 8, int )
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#define IFNAME_MAXLEN 16 /* max length for linux interface names */
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#define SUFFIX_MAXLEN 13 /* max length of suffix length for net-snmp */
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#define MIB_AREA_LEN 25000 /* default size for register MIB data */
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#define MAX_GET_DATA 4094 /* maximum GET response data length */
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#define GET_AREA_LEN MAX_GET_DATA + 512 /* size for GET command area length */
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#define TIME_BUF_SIZE 128 /* buffer size for date and time string */
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#define MAX_OID_STR_LEN MAX_OID_LEN * 5 /* max OID string size */
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/* definitions for 2.6 qeth */
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#define QETH_SYSFILE "/sys/bus/ccwgroup/drivers/qeth/notifier_register"
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#define SIOC_QETH_ADP_SET_SNMP_CONTROL (SIOCDEVPRIVATE + 5)
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#define SIOC_QETH_GET_CARD_TYPE (SIOCDEVPRIVATE + 6)
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/* some definitions for the linked lists compare and delete functions */
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#define OID_FOUND 0
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#define OID_NOT_FOUND 1
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#define UNEXP_ERROR -1
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#define INDEX_FOUND 0
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#define INDEX_NOT_FOUND 1
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#define IF_ENTRY 0
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#define IND_LIST 1
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/* additional access types and data types used by IPAssists */
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#define IPA_WRONLY 0xF2
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#define IPA_DISPLAYSTR ((u_char)0x09)
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/* IPAssists SNMP subcommand codes */
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#define IPA_REG_MIB 0x04
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#define IPA_GET_OID 0x10
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#define IPA_SET_OID 0x11
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/*#define IPA_QUERY_ALERT 0x20*/
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/*#define IPA_SET_TRAP 0x21*/
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/* IPAssists command return codes */
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#define IPA_SUCCESS 0x00
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#define IPA_FAILED 0x01
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#define IPA_NOT_SUPP 0x04
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#define IPA_NO_DATA 0x08
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/* IPAssists SNMP subcommand return codes */
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#define IPA_SNMP_SUCCESS 0x00
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#define IPA_SNMP_INV_TOPOID 0x01
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#define IPA_SNMP_INV_GROUP 0x02
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#define IPA_SNMP_INV_SUFFIX 0x04
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#define IPA_SNMP_INV_INST 0x08
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#define IPA_SNMP_OID_NREAD 0x10
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#define IPA_SNMP_OID_NWRIT 0x20
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#define IPA_SNMP_NOT_SUPP 0x40
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#define IPA_SNMP_NO_DATA 0x80
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#define PTR_ALIGN4(addr) ((long)((addr))+3)&(~3) /* align ptr 4-byte bdy */
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/***************************************************************/
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/* structure used for getting OSA-Express interfaces via ioctl */
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/***************************************************************/
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#define NAME_FILLED_IN 0x00000001
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#define IFINDEX_FILLED_IN 0x00000002
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/* version 0 */
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typedef struct dev_list
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{
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char device_name[IFNAME_MAXLEN]; /* OSA-Exp device name (e.g. eth0) */
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int if_index; /* interface index from kernel */
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__u32 flags; /* device charateristics */
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} __attribute__((packed)) DEV_LIST;
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typedef struct osaexp_dev_ver0
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{
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__u32 version; /* structure version */
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__u32 valid_fields; /* bitmask of fields that are really filled */
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__u32 qeth_version; /* qeth driver version */
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__u32 number_of_devices; /* number of OSA Express devices */
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struct dev_list devices[0]; /* list of OSA Express devices */
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} __attribute__((packed)) OSAEXP_DEV_VER0;
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/***************************************************************/
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/* ioctl data structure for IPAssists SNMP processing */
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/***************************************************************/
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typedef struct ioctl_cmd_hdr
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{
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int data_len; /* total length of buffer passed to ioctl */
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/* following the first 16 bytes */
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/* in this structure (i.e. starts at token) */
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int req_len; /* length of IPAssists SNMP request */
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int reserved1; /* unused */
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int reserved2; /* unused */
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struct {
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char token[16]; /* not used */
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int request; /* IPA subcommand code */
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int ifIndex; /* IF-MIB ifIndex value for interface */
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int ret_code; /* IPA return code */
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int ipa_ver; /* IPA microcode level (4 hex digits to be shown as xx.yy) */
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int seq_num; /* sequence number (currently not used) */
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} ipa_cmd_hdr;
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} __attribute__((packed)) IOCTL_CMD_HDR;
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/***************************************************************/
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/* structures for GET/GETNEXT IPAssists processing */
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/***************************************************************/
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typedef struct ipa_cmd_get
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{
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IOCTL_CMD_HDR ioctl_cmd; /* IOCTL command header */
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char full_oid[0]; /* fully qualified OID for GET/GETNEXT */
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} __attribute__((packed)) IPA_CMD_GET;
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typedef struct ipa_get_data
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{
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int len; /* length of returned data from IPA */
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char data[0]; /* data returned by IPA */
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} __attribute__((packed)) IPA_GET_DATA;
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/******************************************************************/
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/* struct for IPAssists register MIB data processing */
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/******************************************************************/
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typedef struct ipa_cmd_reg
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{
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IOCTL_CMD_HDR ioctl_cmd; /* IPA subcommand header */
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int table_cnt; /* number of table toplevel OIDs */
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} __attribute__((packed)) IPA_CMD_REG;
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/***************************************************************/
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/* linked list for table OID housekeeping */
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/***************************************************************/
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typedef struct table_oid
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{
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oid *pObjid; /* registered table OID */
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size_t length; /* length of subtree OID */
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struct variable13 *var13ptr; /* ptr to variable_x list */
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struct reg_indices *ind_list; /* ptr to registered indices */
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struct table_oid *next; /* ptr to next entry in list */
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} TABLE_OID;
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/***************************************************************/
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/* linked list for OSA Express interfaces housekeeping */
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/***************************************************************/
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typedef struct reg_indices
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{
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char *full_index; /* full index portion from IPA */
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int ifIndex; /* ifIndex from IF-MIB */
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struct reg_indices *next; /* ptr to next entry in list */
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} REG_INDICES;
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/*******************************************************************/
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/* this list keeps information queried from the IF-MIB */
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/*******************************************************************/
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typedef struct if_List
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{
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int kerIndex; /* Linux kernel ifIndex */
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int ifIndex; /* IF-MIB ifIndex */
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short is_OSAEXP; /* TRUE if an OSA Express device */
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char if_Name[IFNAME_MAXLEN]; /* interface name (e.g. eth0) */
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int ipa_ver; /* IPA microcode level */
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} IF_LIST;
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