uapi/asm/qeth.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 /*
0003  * ioctl definitions for qeth driver
0004  *
0005  * Copyright IBM Corp. 2004
0006  *
0007  * Author(s):   Thomas Spatzier <tspat@de.ibm.com>
0008  *
0009  */
0010 #ifndef __ASM_S390_QETH_IOCTL_H__
0011 #define __ASM_S390_QETH_IOCTL_H__
0012 #include <linux/types.h>
0013 #include <linux/ioctl.h>
0014
0015 #define SIOC_QETH_ARP_SET_NO_ENTRIES    (SIOCDEVPRIVATE)
0016 #define SIOC_QETH_ARP_QUERY_INFO        (SIOCDEVPRIVATE + 1)
0017 #define SIOC_QETH_ARP_ADD_ENTRY         (SIOCDEVPRIVATE + 2)
0018 #define SIOC_QETH_ARP_REMOVE_ENTRY      (SIOCDEVPRIVATE + 3)
0019 #define SIOC_QETH_ARP_FLUSH_CACHE       (SIOCDEVPRIVATE + 4)
0020 #define SIOC_QETH_ADP_SET_SNMP_CONTROL  (SIOCDEVPRIVATE + 5)
0021 #define SIOC_QETH_GET_CARD_TYPE         (SIOCDEVPRIVATE + 6)
0022 #define SIOC_QETH_QUERY_OAT     (SIOCDEVPRIVATE + 7)
0023
0024 struct qeth_arp_cache_entry {
0025     __u8  macaddr[6];
0026     __u8  reserved1[2];
0027     __u8  ipaddr[16]; /* for both  IPv4 and IPv6 */
0028     __u8  reserved2[32];
0029 } __attribute__ ((packed));
0030
0031 enum qeth_arp_ipaddrtype {
0032     QETHARP_IP_ADDR_V4 = 1,
0033     QETHARP_IP_ADDR_V6 = 2,
0034 };
0035 struct qeth_arp_entrytype {
0036     __u8 mac;
0037     __u8 ip;
0038 } __attribute__((packed));
0039
0040 #define QETH_QARP_MEDIASPECIFIC_BYTES 32
0041 #define QETH_QARP_MACADDRTYPE_BYTES 1
0042 struct qeth_arp_qi_entry7 {
0043     __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
0044     struct qeth_arp_entrytype type;
0045     __u8 macaddr[6];
0046     __u8 ipaddr[4];
0047 } __attribute__((packed));
0048
0049 struct qeth_arp_qi_entry7_ipv6 {
0050     __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
0051     struct qeth_arp_entrytype type;
0052     __u8 macaddr[6];
0053     __u8 ipaddr[16];
0054 } __attribute__((packed));
0055
0056 struct qeth_arp_qi_entry7_short {
0057     struct qeth_arp_entrytype type;
0058     __u8 macaddr[6];
0059     __u8 ipaddr[4];
0060 } __attribute__((packed));
0061
0062 struct qeth_arp_qi_entry7_short_ipv6 {
0063     struct qeth_arp_entrytype type;
0064     __u8 macaddr[6];
0065     __u8 ipaddr[16];
0066 } __attribute__((packed));
0067
0068 struct qeth_arp_qi_entry5 {
0069     __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
0070     struct qeth_arp_entrytype type;
0071     __u8 ipaddr[4];
0072 } __attribute__((packed));
0073
0074 struct qeth_arp_qi_entry5_ipv6 {
0075     __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
0076     struct qeth_arp_entrytype type;
0077     __u8 ipaddr[16];
0078 } __attribute__((packed));
0079
0080 struct qeth_arp_qi_entry5_short {
0081     struct qeth_arp_entrytype type;
0082     __u8 ipaddr[4];
0083 } __attribute__((packed));
0084
0085 struct qeth_arp_qi_entry5_short_ipv6 {
0086     struct qeth_arp_entrytype type;
0087     __u8 ipaddr[16];
0088 } __attribute__((packed));
0089 /*
0090  * can be set by user if no "media specific information" is wanted
0091  * -> saves a lot of space in user space buffer
0092  */
0093 #define QETH_QARP_STRIP_ENTRIES  0x8000
0094 #define QETH_QARP_WITH_IPV6  0x4000
0095 #define QETH_QARP_REQUEST_MASK   0x00ff
0096
0097 /* data sent to user space as result of query arp ioctl */
0098 #define QETH_QARP_USER_DATA_SIZE 20000
0099 #define QETH_QARP_MASK_OFFSET    4
0100 #define QETH_QARP_ENTRIES_OFFSET 6
0101 struct qeth_arp_query_user_data {
0102     union {
0103         __u32 data_len;     /* set by user space program */
0104         __u32 no_entries;   /* set by kernel */
0105     } u;
0106     __u16 mask_bits;
0107     char *entries;
0108 } __attribute__((packed));
0109
0110 struct qeth_query_oat_data {
0111     __u32 command;
0112     __u32 buffer_len;
0113     __u32 response_len;
0114     __u64 ptr;
0115 };
0116 #endif /* __ASM_S390_QETH_IOCTL_H__ */