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Open Menu /arch/s390/include/uapi/asm/qeth.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * ioctl definitions for qeth driver
 *
 * Copyright IBM Corp. 2004
 *
 * Author(s):	Thomas Spatzier <tspat@de.ibm.com>
 *
 */
#ifndef __ASM_S390_QETH_IOCTL_H__
#define __ASM_S390_QETH_IOCTL_H__
#include <linux/types.h>
#include <linux/ioctl.h>

#define SIOC_QETH_ARP_SET_NO_ENTRIES    (SIOCDEVPRIVATE)
#define SIOC_QETH_ARP_QUERY_INFO        (SIOCDEVPRIVATE + 1)
#define SIOC_QETH_ARP_ADD_ENTRY         (SIOCDEVPRIVATE + 2)
#define SIOC_QETH_ARP_REMOVE_ENTRY      (SIOCDEVPRIVATE + 3)
#define SIOC_QETH_ARP_FLUSH_CACHE       (SIOCDEVPRIVATE + 4)
#define SIOC_QETH_ADP_SET_SNMP_CONTROL  (SIOCDEVPRIVATE + 5)
#define SIOC_QETH_GET_CARD_TYPE         (SIOCDEVPRIVATE + 6)
#define SIOC_QETH_QUERY_OAT		(SIOCDEVPRIVATE + 7)

struct qeth_arp_cache_entry {
	__u8  macaddr[6];
	__u8  reserved1[2];
	__u8  ipaddr[16]; /* for both  IPv4 and IPv6 */
	__u8  reserved2[32];
} __attribute__ ((packed));

enum qeth_arp_ipaddrtype {
	QETHARP_IP_ADDR_V4 = 1,
	QETHARP_IP_ADDR_V6 = 2,
};
struct qeth_arp_entrytype {
	__u8 mac;
	__u8 ip;
} __attribute__((packed));

#define QETH_QARP_MEDIASPECIFIC_BYTES 32
#define QETH_QARP_MACADDRTYPE_BYTES 1
struct qeth_arp_qi_entry7 {
	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
	struct qeth_arp_entrytype type;
	__u8 macaddr[6];
	__u8 ipaddr[4];
} __attribute__((packed));

struct qeth_arp_qi_entry7_ipv6 {
	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
	struct qeth_arp_entrytype type;
	__u8 macaddr[6];
	__u8 ipaddr[16];
} __attribute__((packed));

struct qeth_arp_qi_entry7_short {
	struct qeth_arp_entrytype type;
	__u8 macaddr[6];
	__u8 ipaddr[4];
} __attribute__((packed));

struct qeth_arp_qi_entry7_short_ipv6 {
	struct qeth_arp_entrytype type;
	__u8 macaddr[6];
	__u8 ipaddr[16];
} __attribute__((packed));

struct qeth_arp_qi_entry5 {
	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
	struct qeth_arp_entrytype type;
	__u8 ipaddr[4];
} __attribute__((packed));

struct qeth_arp_qi_entry5_ipv6 {
	__u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
	struct qeth_arp_entrytype type;
	__u8 ipaddr[16];
} __attribute__((packed));

struct qeth_arp_qi_entry5_short {
	struct qeth_arp_entrytype type;
	__u8 ipaddr[4];
} __attribute__((packed));

struct qeth_arp_qi_entry5_short_ipv6 {
	struct qeth_arp_entrytype type;
	__u8 ipaddr[16];
} __attribute__((packed));
/*
 * can be set by user if no "media specific information" is wanted
 * -> saves a lot of space in user space buffer
 */
#define QETH_QARP_STRIP_ENTRIES  0x8000
#define QETH_QARP_WITH_IPV6	 0x4000
#define QETH_QARP_REQUEST_MASK   0x00ff

/* data sent to user space as result of query arp ioctl */
#define QETH_QARP_USER_DATA_SIZE 20000
#define QETH_QARP_MASK_OFFSET    4
#define QETH_QARP_ENTRIES_OFFSET 6
struct qeth_arp_query_user_data {
	union {
		__u32 data_len;		/* set by user space program */
		__u32 no_entries;	/* set by kernel */
	} u;
	__u16 mask_bits;
	char *entries;
} __attribute__((packed));

struct qeth_query_oat_data {
	__u32 command;
	__u32 buffer_len;
	__u32 response_len;
	__u64 ptr;
};
#endif /* __ASM_S390_QETH_IOCTL_H__ */