1 /*
2  * include/asm-s390/qeth.h
3  *
4  * ioctl definitions for qeth driver
5  *
6  * Copyright (C) 2004 IBM Corporation
7  *
8  * Author(s):	Thomas Spatzier <tspat@de.ibm.com>
9  *
10  */
11 #ifndef __ASM_S390_QETH_IOCTL_H__
12 #define __ASM_S390_QETH_IOCTL_H__
13 #include <linux/types.h>
14 #include <linux/ioctl.h>
15 
16 #define SIOC_QETH_ARP_SET_NO_ENTRIES    (SIOCDEVPRIVATE)
17 #define SIOC_QETH_ARP_QUERY_INFO        (SIOCDEVPRIVATE + 1)
18 #define SIOC_QETH_ARP_ADD_ENTRY         (SIOCDEVPRIVATE + 2)
19 #define SIOC_QETH_ARP_REMOVE_ENTRY      (SIOCDEVPRIVATE + 3)
20 #define SIOC_QETH_ARP_FLUSH_CACHE       (SIOCDEVPRIVATE + 4)
21 #define SIOC_QETH_ADP_SET_SNMP_CONTROL  (SIOCDEVPRIVATE + 5)
22 #define SIOC_QETH_GET_CARD_TYPE         (SIOCDEVPRIVATE + 6)
23 
24 struct 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 
31 enum qeth_arp_ipaddrtype {
32 	QETHARP_IP_ADDR_V4 = 1,
33 	QETHARP_IP_ADDR_V6 = 2,
34 };
35 struct 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
42 struct 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 
49 struct 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 
56 struct qeth_arp_qi_entry7_short {
57 	struct qeth_arp_entrytype type;
58 	__u8 macaddr[6];
59 	__u8 ipaddr[4];
60 } __attribute__((packed));
61 
62 struct qeth_arp_qi_entry7_short_ipv6 {
63 	struct qeth_arp_entrytype type;
64 	__u8 macaddr[6];
65 	__u8 ipaddr[16];
66 } __attribute__((packed));
67 
68 struct 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 
74 struct 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 
80 struct qeth_arp_qi_entry5_short {
81 	struct qeth_arp_entrytype type;
82 	__u8 ipaddr[4];
83 } __attribute__((packed));
84 
85 struct 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
101 struct 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 
110 #endif /* __ASM_S390_QETH_IOCTL_H__ */
111