1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2/*
  3 * ioctl definitions for qeth driver
  4 *
  5 * Copyright IBM Corp. 2004
  6 *
  7 * Author(s):	Thomas Spatzier <tspat@de.ibm.com>
  8 *
  9 */
 10#ifndef __ASM_S390_QETH_IOCTL_H__
 11#define __ASM_S390_QETH_IOCTL_H__
 12#include <linux/types.h>
 13#include <linux/ioctl.h>
 14
 15#define SIOC_QETH_ARP_SET_NO_ENTRIES    (SIOCDEVPRIVATE)
 16#define SIOC_QETH_ARP_QUERY_INFO        (SIOCDEVPRIVATE + 1)
 17#define SIOC_QETH_ARP_ADD_ENTRY         (SIOCDEVPRIVATE + 2)
 18#define SIOC_QETH_ARP_REMOVE_ENTRY      (SIOCDEVPRIVATE + 3)
 19#define SIOC_QETH_ARP_FLUSH_CACHE       (SIOCDEVPRIVATE + 4)
 20#define SIOC_QETH_ADP_SET_SNMP_CONTROL  (SIOCDEVPRIVATE + 5)
 21#define SIOC_QETH_GET_CARD_TYPE         (SIOCDEVPRIVATE + 6)
 22#define SIOC_QETH_QUERY_OAT		(SIOCDEVPRIVATE + 7)
 23
 24struct qeth_arp_cache_entry {
 25	__u8  macaddr[6];
 26	__u8  reserved1[2];
 27	__u8  ipaddr[16]; /* for both  IPv4 and IPv6 */
 28	__u8  reserved2[32];
 29} __attribute__ ((packed));
 30
 31enum qeth_arp_ipaddrtype {
 32	QETHARP_IP_ADDR_V4 = 1,
 33	QETHARP_IP_ADDR_V6 = 2,
 34};
 35struct qeth_arp_entrytype {
 36	__u8 mac;
 37	__u8 ip;
 38} __attribute__((packed));
 39
 40#define QETH_QARP_MEDIASPECIFIC_BYTES 32
 41#define QETH_QARP_MACADDRTYPE_BYTES 1
 42struct qeth_arp_qi_entry7 {
 43	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
 44	struct qeth_arp_entrytype type;
 45	__u8 macaddr[6];
 46	__u8 ipaddr[4];
 47} __attribute__((packed));
 48
 49struct qeth_arp_qi_entry7_ipv6 {
 50	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
 51	struct qeth_arp_entrytype type;
 52	__u8 macaddr[6];
 53	__u8 ipaddr[16];
 54} __attribute__((packed));
 55
 56struct qeth_arp_qi_entry7_short {
 57	struct qeth_arp_entrytype type;
 58	__u8 macaddr[6];
 59	__u8 ipaddr[4];
 60} __attribute__((packed));
 61
 62struct qeth_arp_qi_entry7_short_ipv6 {
 63	struct qeth_arp_entrytype type;
 64	__u8 macaddr[6];
 65	__u8 ipaddr[16];
 66} __attribute__((packed));
 67
 68struct qeth_arp_qi_entry5 {
 69	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
 70	struct qeth_arp_entrytype type;
 71	__u8 ipaddr[4];
 72} __attribute__((packed));
 73
 74struct qeth_arp_qi_entry5_ipv6 {
 75	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
 76	struct qeth_arp_entrytype type;
 77	__u8 ipaddr[16];
 78} __attribute__((packed));
 79
 80struct qeth_arp_qi_entry5_short {
 81	struct qeth_arp_entrytype type;
 82	__u8 ipaddr[4];
 83} __attribute__((packed));
 84
 85struct qeth_arp_qi_entry5_short_ipv6 {
 86	struct qeth_arp_entrytype type;
 87	__u8 ipaddr[16];
 88} __attribute__((packed));
 89/*
 90 * can be set by user if no "media specific information" is wanted
 91 * -> saves a lot of space in user space buffer
 92 */
 93#define QETH_QARP_STRIP_ENTRIES  0x8000
 94#define QETH_QARP_WITH_IPV6	 0x4000
 95#define QETH_QARP_REQUEST_MASK   0x00ff
 96
 97/* data sent to user space as result of query arp ioctl */
 98#define QETH_QARP_USER_DATA_SIZE 20000
 99#define QETH_QARP_MASK_OFFSET    4
100#define QETH_QARP_ENTRIES_OFFSET 6
101struct qeth_arp_query_user_data {
102	union {
103		__u32 data_len;		/* set by user space program */
104		__u32 no_entries;	/* set by kernel */
105	} u;
106	__u16 mask_bits;
107	char *entries;
108} __attribute__((packed));
109
110struct qeth_query_oat_data {
111	__u32 command;
112	__u32 buffer_len;
113	__u32 response_len;
114	__u64 ptr;
115};
116#endif /* __ASM_S390_QETH_IOCTL_H__ */