path: root/drivers/s390/net/qeth_core.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *    Copyright IBM Corp. 2007
 *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
 *		 Frank Pavlic <fpavlic@de.ibm.com>,
 *		 Thomas Spatzier <tspat@de.ibm.com>,
 *		 Frank Blaschka <frank.blaschka@de.ibm.com>
 */

#ifndef __QETH_CORE_H__
#define __QETH_CORE_H__

#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
#include <linux/if_vlan.h>
#include <linux/ctype.h>
#include <linux/in6.h>
#include <linux/bitops.h>
#include <linux/seq_file.h>
#include <linux/ethtool.h>
#include <linux/hashtable.h>
#include <linux/ip.h>

#include <net/ipv6.h>
#include <net/if_inet6.h>
#include <net/addrconf.h>

#include <asm/debug.h>
#include <asm/qdio.h>
#include <asm/ccwdev.h>
#include <asm/ccwgroup.h>
#include <asm/sysinfo.h>

#include "qeth_core_mpc.h"

/**
 * Debug Facility stuff
 */
enum qeth_dbf_names {
	QETH_DBF_SETUP,
	QETH_DBF_MSG,
	QETH_DBF_CTRL,
	QETH_DBF_INFOS	/* must be last element */
};

struct qeth_dbf_info {
	char name[DEBUG_MAX_NAME_LEN];
	int pages;
	int areas;
	int len;
	int level;
	struct debug_view *view;
	debug_info_t *id;
};

#define QETH_DBF_CTRL_LEN 256

#define QETH_DBF_TEXT(name, level, text) \
	debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)

#define QETH_DBF_HEX(name, level, addr, len) \
	debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)

#define QETH_DBF_MESSAGE(level, text...) \
	debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)

#define QETH_DBF_TEXT_(name, level, text...) \
	qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)

#define QETH_CARD_TEXT(card, level, text) \
	debug_text_event(card->debug, level, text)

#define QETH_CARD_HEX(card, level, addr, len) \
	debug_event(card->debug, level, (void *)(addr), len)

#define QETH_CARD_MESSAGE(card, text...) \
	debug_sprintf_event(card->debug, level, text)

#define QETH_CARD_TEXT_(card, level, text...) \
	qeth_dbf_longtext(card->debug, level, text)

#define SENSE_COMMAND_REJECT_BYTE 0
#define SENSE_COMMAND_REJECT_FLAG 0x80
#define SENSE_RESETTING_EVENT_BYTE 1
#define SENSE_RESETTING_EVENT_FLAG 0x80

/*
 * Common IO related definitions
 */
#define CARD_RDEV(card) card->read.ccwdev
#define CARD_WDEV(card) card->write.ccwdev
#define CARD_DDEV(card) card->data.ccwdev
#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)

/**
 * card stuff
 */
struct qeth_perf_stats {
	unsigned int bufs_rec;
	unsigned int bufs_sent;

	unsigned int skbs_sent_pack;
	unsigned int bufs_sent_pack;

	unsigned int sc_dp_p;
	unsigned int sc_p_dp;
	/* qdio_cq_handler: number of times called, time spent in */
	__u64 cq_start_time;
	unsigned int cq_cnt;
	unsigned int cq_time;
	/* qdio_input_handler: number of times called, time spent in */
	__u64 inbound_start_time;
	unsigned int inbound_cnt;
	unsigned int inbound_time;
	/* qeth_send_packet: number of times called, time spent in */
	__u64 outbound_start_time;
	unsigned int outbound_cnt;
	unsigned int outbound_time;
	/* qdio_output_handler: number of times called, time spent in */
	__u64 outbound_handler_start_time;
	unsigned int outbound_handler_cnt;
	unsigned int outbound_handler_time;
	/* number of calls to and time spent in do_QDIO for inbound queue */
	__u64 inbound_do_qdio_start_time;
	unsigned int inbound_do_qdio_cnt;
	unsigned int inbound_do_qdio_time;
	/* number of calls to and time spent in do_QDIO for outbound queues */
	__u64 outbound_do_qdio_start_time;
	unsigned int outbound_do_qdio_cnt;
	unsigned int outbound_do_qdio_time;
	unsigned int large_send_bytes;
	unsigned int large_send_cnt;
	unsigned int sg_skbs_sent;
	unsigned int sg_frags_sent;
	/* initial values when measuring starts */
	unsigned long initial_rx_packets;
	unsigned long initial_tx_packets;
	/* inbound scatter gather data */
	unsigned int sg_skbs_rx;
	unsigned int sg_frags_rx;
	unsigned int sg_alloc_page_rx;
	unsigned int tx_csum;
	unsigned int tx_lin;
	unsigned int tx_linfail;
};

/* Routing stuff */
struct qeth_routing_info {
	enum qeth_routing_types type;
};

/* IPA stuff */
struct qeth_ipa_info {
	__u32 supported_funcs;
	__u32 enabled_funcs;
};

/* SETBRIDGEPORT stuff */
enum qeth_sbp_roles {
	QETH_SBP_ROLE_NONE	= 0,
	QETH_SBP_ROLE_PRIMARY	= 1,
	QETH_SBP_ROLE_SECONDARY	= 2,
};

enum qeth_sbp_states {
	QETH_SBP_STATE_INACTIVE	= 0,
	QETH_SBP_STATE_STANDBY	= 1,
	QETH_SBP_STATE_ACTIVE	= 2,
};

#define QETH_SBP_HOST_NOTIFICATION 1

struct qeth_sbp_info {
	__u32 supported_funcs;
	enum qeth_sbp_roles role;
	__u32 hostnotification:1;
	__u32 reflect_promisc:1;
	__u32 reflect_promisc_primary:1;
};

static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
		enum qeth_ipa_funcs func)
{
	return (ipa->supported_funcs & func);
}

static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
		enum qeth_ipa_funcs func)
{
	return (ipa->supported_funcs & ipa->enabled_funcs & func);
}

#define qeth_adp_supported(c, f) \
	qeth_is_ipa_supported(&c->options.adp, f)
#define qeth_adp_enabled(c, f) \
	qeth_is_ipa_enabled(&c->options.adp, f)
#define qeth_is_supported(c, f) \
	qeth_is_ipa_supported(&c->options.ipa4, f)
#define qeth_is_enabled(c, f) \
	qeth_is_ipa_enabled(&c->options.ipa4, f)
#define qeth_is_supported6(c, f) \
	qeth_is_ipa_supported(&c->options.ipa6, f)
#define qeth_is_enabled6(c, f) \
	qeth_is_ipa_enabled(&c->options.ipa6, f)
#define qeth_is_ipafunc_supported(c, prot, f) \
	 ((prot == QETH_PROT_IPV6) ? \
		qeth_is_supported6(c, f) : qeth_is_supported(c, f))
#define qeth_is_ipafunc_enabled(c, prot, f) \
	 ((prot == QETH_PROT_IPV6) ? \
		qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))

#define QETH_IDX_FUNC_LEVEL_OSD		 0x0101
#define QETH_IDX_FUNC_LEVEL_IQD		 0x4108

#define QETH_MODELLIST_ARRAY \
	{{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
	 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
	 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
	 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
	 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
	 {0, 0, 0, 0, 0, 0} }
#define QETH_CU_TYPE_IND	0
#define QETH_CU_MODEL_IND	1
#define QETH_DEV_TYPE_IND	2
#define QETH_DEV_MODEL_IND	3
#define QETH_QUEUE_NO_IND	4
#define QETH_MULTICAST_IND	5

#define QETH_REAL_CARD		1
#define QETH_VLAN_CARD		2
#define QETH_BUFSIZE		4096

/**
 * some more defs
 */
#define QETH_TX_TIMEOUT		100 * HZ
#define QETH_RCD_TIMEOUT	60 * HZ
#define QETH_RECLAIM_WORK_TIME	HZ
#define QETH_MAX_PORTNO		15

/*IPv6 address autoconfigurati