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