arch/s390/include/uapi/asm/qeth.h

   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
  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 struct 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__ */