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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/s390/include/uapi/asm/qeth.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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/*

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 * ioctl definitions for qeth driver

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 *

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 * Copyright IBM Corp. 2004

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 *

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 * Author(s):	Thomas Spatzier <[email protected]>

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 *

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 */

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#ifndef __ASM_S390_QETH_IOCTL_H__

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#define __ASM_S390_QETH_IOCTL_H__

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#include <linux/types.h>

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#include <linux/ioctl.h>

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#define SIOC_QETH_ARP_SET_NO_ENTRIES    (SIOCDEVPRIVATE)

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#define SIOC_QETH_ARP_QUERY_INFO        (SIOCDEVPRIVATE + 1)

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#define SIOC_QETH_ARP_ADD_ENTRY         (SIOCDEVPRIVATE + 2)

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#define SIOC_QETH_ARP_REMOVE_ENTRY      (SIOCDEVPRIVATE + 3)

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#define SIOC_QETH_ARP_FLUSH_CACHE       (SIOCDEVPRIVATE + 4)

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#define SIOC_QETH_ADP_SET_SNMP_CONTROL  (SIOCDEVPRIVATE + 5)

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#define SIOC_QETH_GET_CARD_TYPE         (SIOCDEVPRIVATE + 6)

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#define SIOC_QETH_QUERY_OAT		(SIOCDEVPRIVATE + 7)

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struct qeth_arp_cache_entry {

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	__u8  macaddr[6];

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	__u8  reserved1[2];

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	__u8  ipaddr[16]; /* for both  IPv4 and IPv6 */

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	__u8  reserved2[32];

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} __attribute__ ((packed));

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enum qeth_arp_ipaddrtype {

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	QETHARP_IP_ADDR_V4 = 1,

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	QETHARP_IP_ADDR_V6 = 2,

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};

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struct qeth_arp_entrytype {

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	__u8 mac;

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	__u8 ip;

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} __attribute__((packed));

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#define QETH_QARP_MEDIASPECIFIC_BYTES 32

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#define QETH_QARP_MACADDRTYPE_BYTES 1

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struct qeth_arp_qi_entry7 {

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	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];

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	struct qeth_arp_entrytype type;

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	__u8 macaddr[6];

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	__u8 ipaddr[4];

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} __attribute__((packed));

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struct qeth_arp_qi_entry7_ipv6 {

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	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];

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	struct qeth_arp_entrytype type;

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	__u8 macaddr[6];

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	__u8 ipaddr[16];

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} __attribute__((packed));

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struct qeth_arp_qi_entry7_short {

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	struct qeth_arp_entrytype type;

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	__u8 macaddr[6];

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	__u8 ipaddr[4];

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} __attribute__((packed));

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struct qeth_arp_qi_entry7_short_ipv6 {

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	struct qeth_arp_entrytype type;

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	__u8 macaddr[6];

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	__u8 ipaddr[16];

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} __attribute__((packed));

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struct qeth_arp_qi_entry5 {

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	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];

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	struct qeth_arp_entrytype type;

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	__u8 ipaddr[4];

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} __attribute__((packed));

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struct qeth_arp_qi_entry5_ipv6 {

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	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];

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	struct qeth_arp_entrytype type;

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	__u8 ipaddr[16];

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} __attribute__((packed));

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struct qeth_arp_qi_entry5_short {

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	struct qeth_arp_entrytype type;

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	__u8 ipaddr[4];

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} __attribute__((packed));

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struct qeth_arp_qi_entry5_short_ipv6 {

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	struct qeth_arp_entrytype type;

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	__u8 ipaddr[16];

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} __attribute__((packed));

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/*

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 * can be set by user if no "media specific information" is wanted

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 * -> saves a lot of space in user space buffer

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 */

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#define QETH_QARP_STRIP_ENTRIES  0x8000

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#define QETH_QARP_WITH_IPV6	 0x4000

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#define QETH_QARP_REQUEST_MASK   0x00ff

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/* data sent to user space as result of query arp ioctl */

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#define QETH_QARP_USER_DATA_SIZE 20000

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#define QETH_QARP_MASK_OFFSET    4

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#define QETH_QARP_ENTRIES_OFFSET 6

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struct qeth_arp_query_user_data {

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	union {

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		__u32 data_len;		/* set by user space program */

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		__u32 no_entries;	/* set by kernel */

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	} u;

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	__u16 mask_bits;

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	char *entries;

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} __attribute__((packed));

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struct qeth_query_oat_data {

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	__u32 command;

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	__u32 buffer_len;

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	__u32 response_len;

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	__u64 ptr;

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};

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#endif /* __ASM_S390_QETH_IOCTL_H__ */

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