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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 
23 struct 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 
30 enum qeth_arp_ipaddrtype {
31 	QETHARP_IP_ADDR_V4 = 1,
32 	QETHARP_IP_ADDR_V6 = 2,
33 };
34 struct 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
41 struct 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 
48 struct 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 
55 struct qeth_arp_qi_entry7_short {
56 	struct qeth_arp_entrytype type;
57 	__u8 macaddr[6];
58 	__u8 ipaddr[4];
59 } __attribute__((packed));
60 
61 struct qeth_arp_qi_entry7_short_ipv6 {
62 	struct qeth_arp_entrytype type;
63 	__u8 macaddr[6];
64 	__u8 ipaddr[16];
65 } __attribute__((packed));
66 
67 struct 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 
73 struct 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 
79 struct qeth_arp_qi_entry5_short {
80 	struct qeth_arp_entrytype type;
81 	__u8 ipaddr[4];
82 } __attribute__((packed));
83 
84 struct 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
100 struct 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 
109 struct 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