1048 строки
28 KiB
C
1048 строки
28 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright IBM Corp. 2007
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* Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
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* Frank Pavlic <fpavlic@de.ibm.com>,
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* Thomas Spatzier <tspat@de.ibm.com>,
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* Frank Blaschka <frank.blaschka@de.ibm.com>
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*/
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#ifndef __QETH_CORE_H__
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#define __QETH_CORE_H__
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#include <linux/if.h>
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#include <linux/if_arp.h>
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#include <linux/etherdevice.h>
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#include <linux/if_vlan.h>
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#include <linux/ctype.h>
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#include <linux/in6.h>
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#include <linux/bitops.h>
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#include <linux/seq_file.h>
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#include <linux/ethtool.h>
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#include <linux/hashtable.h>
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#include <linux/ip.h>
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#include <linux/refcount.h>
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#include <net/ipv6.h>
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#include <net/if_inet6.h>
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#include <net/addrconf.h>
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#include <asm/debug.h>
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#include <asm/qdio.h>
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#include <asm/ccwdev.h>
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#include <asm/ccwgroup.h>
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#include <asm/sysinfo.h>
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#include "qeth_core_mpc.h"
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/**
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* Debug Facility stuff
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*/
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enum qeth_dbf_names {
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QETH_DBF_SETUP,
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QETH_DBF_MSG,
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QETH_DBF_CTRL,
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QETH_DBF_INFOS /* must be last element */
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};
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struct qeth_dbf_info {
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char name[DEBUG_MAX_NAME_LEN];
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int pages;
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int areas;
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int len;
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int level;
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struct debug_view *view;
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debug_info_t *id;
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};
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#define QETH_DBF_CTRL_LEN 256
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#define QETH_DBF_TEXT(name, level, text) \
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debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
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#define QETH_DBF_HEX(name, level, addr, len) \
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debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
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#define QETH_DBF_MESSAGE(level, text...) \
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debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
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#define QETH_DBF_TEXT_(name, level, text...) \
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qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
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#define QETH_CARD_TEXT(card, level, text) \
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debug_text_event(card->debug, level, text)
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#define QETH_CARD_HEX(card, level, addr, len) \
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debug_event(card->debug, level, (void *)(addr), len)
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#define QETH_CARD_MESSAGE(card, text...) \
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debug_sprintf_event(card->debug, level, text)
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#define QETH_CARD_TEXT_(card, level, text...) \
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qeth_dbf_longtext(card->debug, level, text)
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#define SENSE_COMMAND_REJECT_BYTE 0
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#define SENSE_COMMAND_REJECT_FLAG 0x80
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#define SENSE_RESETTING_EVENT_BYTE 1
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#define SENSE_RESETTING_EVENT_FLAG 0x80
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/*
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* Common IO related definitions
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*/
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#define CARD_RDEV(card) card->read.ccwdev
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#define CARD_WDEV(card) card->write.ccwdev
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#define CARD_DDEV(card) card->data.ccwdev
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#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
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#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
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#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
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#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
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#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
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/**
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* card stuff
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*/
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struct qeth_perf_stats {
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unsigned int bufs_rec;
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unsigned int bufs_sent;
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unsigned int skbs_sent_pack;
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unsigned int bufs_sent_pack;
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unsigned int sc_dp_p;
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unsigned int sc_p_dp;
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/* qdio_cq_handler: number of times called, time spent in */
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__u64 cq_start_time;
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unsigned int cq_cnt;
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unsigned int cq_time;
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/* qdio_input_handler: number of times called, time spent in */
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__u64 inbound_start_time;
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unsigned int inbound_cnt;
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unsigned int inbound_time;
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/* qeth_send_packet: number of times called, time spent in */
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__u64 outbound_start_time;
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unsigned int outbound_cnt;
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unsigned int outbound_time;
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/* qdio_output_handler: number of times called, time spent in */
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__u64 outbound_handler_start_time;
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unsigned int outbound_handler_cnt;
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unsigned int outbound_handler_time;
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/* number of calls to and time spent in do_QDIO for inbound queue */
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__u64 inbound_do_qdio_start_time;
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unsigned int inbound_do_qdio_cnt;
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unsigned int inbound_do_qdio_time;
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/* number of calls to and time spent in do_QDIO for outbound queues */
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__u64 outbound_do_qdio_start_time;
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unsigned int outbound_do_qdio_cnt;
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unsigned int outbound_do_qdio_time;
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unsigned int large_send_bytes;
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unsigned int large_send_cnt;
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unsigned int sg_skbs_sent;
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unsigned int sg_frags_sent;
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/* initial values when measuring starts */
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unsigned long initial_rx_packets;
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unsigned long initial_tx_packets;
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/* inbound scatter gather data */
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unsigned int sg_skbs_rx;
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unsigned int sg_frags_rx;
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unsigned int sg_alloc_page_rx;
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unsigned int tx_csum;
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unsigned int tx_lin;
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unsigned int tx_linfail;
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unsigned int rx_csum;
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};
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/* Routing stuff */
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struct qeth_routing_info {
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enum qeth_routing_types type;
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};
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/* IPA stuff */
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struct qeth_ipa_info {
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__u32 supported_funcs;
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__u32 enabled_funcs;
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};
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/* SETBRIDGEPORT stuff */
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enum qeth_sbp_roles {
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QETH_SBP_ROLE_NONE = 0,
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QETH_SBP_ROLE_PRIMARY = 1,
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QETH_SBP_ROLE_SECONDARY = 2,
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};
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enum qeth_sbp_states {
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QETH_SBP_STATE_INACTIVE = 0,
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QETH_SBP_STATE_STANDBY = 1,
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QETH_SBP_STATE_ACTIVE = 2,
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};
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#define QETH_SBP_HOST_NOTIFICATION 1
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struct qeth_sbp_info {
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__u32 supported_funcs;
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enum qeth_sbp_roles role;
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__u32 hostnotification:1;
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__u32 reflect_promisc:1;
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__u32 reflect_promisc_primary:1;
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};
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struct qeth_vnicc_info {
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/* supported/currently configured VNICCs; updated in IPA exchanges */
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u32 sup_chars;
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u32 cur_chars;
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/* supported commands: bitmasks which VNICCs support respective cmd */
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u32 set_char_sup;
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u32 getset_timeout_sup;
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/* timeout value for the learning characteristic */
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u32 learning_timeout;
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/* characteristics wanted/configured by user */
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u32 wanted_chars;
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/* has user explicitly enabled rx_bcast while online? */
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bool rx_bcast_enabled;
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};
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static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
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enum qeth_ipa_funcs func)
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{
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return (ipa->supported_funcs & func);
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}
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static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
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enum qeth_ipa_funcs func)
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{
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return (ipa->supported_funcs & ipa->enabled_funcs & func);
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}
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#define qeth_adp_supported(c, f) \
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qeth_is_ipa_supported(&c->options.adp, f)
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#define qeth_adp_enabled(c, f) \
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qeth_is_ipa_enabled(&c->options.adp, f)
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#define qeth_is_supported(c, f) \
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qeth_is_ipa_supported(&c->options.ipa4, f)
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#define qeth_is_enabled(c, f) \
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qeth_is_ipa_enabled(&c->options.ipa4, f)
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#define qeth_is_supported6(c, f) \
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qeth_is_ipa_supported(&c->options.ipa6, f)
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#define qeth_is_enabled6(c, f) \
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qeth_is_ipa_enabled(&c->options.ipa6, f)
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#define qeth_is_ipafunc_supported(c, prot, f) \
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((prot == QETH_PROT_IPV6) ? \
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qeth_is_supported6(c, f) : qeth_is_supported(c, f))
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#define qeth_is_ipafunc_enabled(c, prot, f) \
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((prot == QETH_PROT_IPV6) ? \
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qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
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#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
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#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
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#define QETH_BUFSIZE 4096
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/**
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* some more defs
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*/
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#define QETH_TX_TIMEOUT 100 * HZ
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#define QETH_RCD_TIMEOUT 60 * HZ
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#define QETH_RECLAIM_WORK_TIME HZ
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#define QETH_MAX_PORTNO 15
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/*IPv6 address autoconfiguration stuff*/
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#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
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#define UNIQUE_ID_NOT_BY_CARD 0x10000
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/*****************************************************************************/
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/* QDIO queue and buffer handling */
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/*****************************************************************************/
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#define QETH_MAX_QUEUES 4
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#define QETH_IN_BUF_SIZE_DEFAULT 65536
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#define QETH_IN_BUF_COUNT_DEFAULT 64
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#define QETH_IN_BUF_COUNT_HSDEFAULT 128
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#define QETH_IN_BUF_COUNT_MIN 8
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#define QETH_IN_BUF_COUNT_MAX 128
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#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
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#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
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((card)->qdio.in_buf_pool.buf_count / 2)
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/* buffers we have to be behind before we get a PCI */
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#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
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/*enqueued free buffers left before we get a PCI*/
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#define QETH_PCI_THRESHOLD_B(card) 0
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/*not used unless the microcode gets patched*/
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#define QETH_PCI_TIMER_VALUE(card) 3
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/* priority queing */
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#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
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#define QETH_DEFAULT_QUEUE 2
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#define QETH_NO_PRIO_QUEUEING 0
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#define QETH_PRIO_Q_ING_PREC 1
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#define QETH_PRIO_Q_ING_TOS 2
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#define QETH_PRIO_Q_ING_SKB 3
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#define QETH_PRIO_Q_ING_VLAN 4
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/* Packing */
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#define QETH_LOW_WATERMARK_PACK 2
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#define QETH_HIGH_WATERMARK_PACK 5
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#define QETH_WATERMARK_PACK_FUZZ 1
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/* large receive scatter gather copy break */
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#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
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#define QETH_RX_PULL_LEN 256
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struct qeth_hdr_layer3 {
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__u8 id;
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__u8 flags;
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__u16 inbound_checksum; /*TSO:__u16 seqno */
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__u32 token; /*TSO: __u32 reserved */
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__u16 length;
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__u8 vlan_prio;
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__u8 ext_flags;
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__u16 vlan_id;
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__u16 frame_offset;
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union {
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/* TX: */
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u8 ipv6_addr[16];
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struct ipv4 {
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u8 res[12];
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u32 addr;
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} ipv4;
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/* RX: */
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struct rx {
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u8 res1[2];
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u8 src_mac[6];
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u8 res2[4];
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u16 vlan_id;
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u8 res3[2];
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} rx;
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} next_hop;
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};
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struct qeth_hdr_layer2 {
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__u8 id;
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__u8 flags[3];
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__u8 port_no;
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__u8 hdr_length;
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__u16 pkt_length;
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__u16 seq_no;
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__u16 vlan_id;
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__u32 reserved;
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__u8 reserved2[16];
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} __attribute__ ((packed));
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struct qeth_hdr_osn {
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__u8 id;
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__u8 reserved;
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__u16 seq_no;
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__u16 reserved2;
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__u16 control_flags;
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__u16 pdu_length;
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__u8 reserved3[18];
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__u32 ccid;
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} __attribute__ ((packed));
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struct qeth_hdr {
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union {
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struct qeth_hdr_layer2 l2;
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struct qeth_hdr_layer3 l3;
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struct qeth_hdr_osn osn;
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} hdr;
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} __attribute__ ((packed));
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/*TCP Segmentation Offload header*/
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struct qeth_hdr_ext_tso {
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__u16 hdr_tot_len;
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__u8 imb_hdr_no;
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__u8 reserved;
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__u8 hdr_type;
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__u8 hdr_version;
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__u16 hdr_len;
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__u32 payload_len;
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__u16 mss;
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__u16 dg_hdr_len;
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__u8 padding[16];
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} __attribute__ ((packed));
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struct qeth_hdr_tso {
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struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
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struct qeth_hdr_ext_tso ext;
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} __attribute__ ((packed));
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/* flags for qeth_hdr.flags */
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#define QETH_HDR_PASSTHRU 0x10
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#define QETH_HDR_IPV6 0x80
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#define QETH_HDR_CAST_MASK 0x07
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enum qeth_cast_flags {
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QETH_CAST_UNICAST = 0x06,
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QETH_CAST_MULTICAST = 0x04,
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QETH_CAST_BROADCAST = 0x05,
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QETH_CAST_ANYCAST = 0x07,
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QETH_CAST_NOCAST = 0x00,
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};
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enum qeth_layer2_frame_flags {
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QETH_LAYER2_FLAG_MULTICAST = 0x01,
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QETH_LAYER2_FLAG_BROADCAST = 0x02,
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QETH_LAYER2_FLAG_UNICAST = 0x04,
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QETH_LAYER2_FLAG_VLAN = 0x10,
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};
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enum qeth_header_ids {
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QETH_HEADER_TYPE_LAYER3 = 0x01,
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QETH_HEADER_TYPE_LAYER2 = 0x02,
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QETH_HEADER_TYPE_TSO = 0x03,
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QETH_HEADER_TYPE_OSN = 0x04,
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};
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/* flags for qeth_hdr.ext_flags */
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#define QETH_HDR_EXT_VLAN_FRAME 0x01
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#define QETH_HDR_EXT_TOKEN_ID 0x02
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#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
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#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
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#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
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#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
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#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
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enum qeth_qdio_buffer_states {
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/*
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* inbound: read out by driver; owned by hardware in order to be filled
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* outbound: owned by driver in order to be filled
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*/
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QETH_QDIO_BUF_EMPTY,
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/*
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* inbound: filled by hardware; owned by driver in order to be read out
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* outbound: filled by driver; owned by hardware in order to be sent
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*/
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QETH_QDIO_BUF_PRIMED,
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/*
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* inbound: not applicable
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* outbound: identified to be pending in TPQ
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*/
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QETH_QDIO_BUF_PENDING,
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/*
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* inbound: not applicable
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* outbound: found in completion queue
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*/
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QETH_QDIO_BUF_IN_CQ,
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/*
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* inbound: not applicable
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* outbound: handled via transfer pending / completion queue
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*/
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QETH_QDIO_BUF_HANDLED_DELAYED,
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};
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enum qeth_qdio_info_states {
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QETH_QDIO_UNINITIALIZED,
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QETH_QDIO_ALLOCATED,
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QETH_QDIO_ESTABLISHED,
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QETH_QDIO_CLEANING
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};
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struct qeth_buffer_pool_entry {
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struct list_head list;
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struct list_head init_list;
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void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
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};
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struct qeth_qdio_buffer_pool {
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struct list_head entry_list;
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int buf_count;
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};
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struct qeth_qdio_buffer {
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struct qdio_buffer *buffer;
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/* the buffer pool entry currently associated to this buffer */
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struct qeth_buffer_pool_entry *pool_entry;
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struct sk_buff *rx_skb;
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};
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struct qeth_qdio_q {
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struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
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struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
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int next_buf_to_init;
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};
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struct qeth_qdio_out_buffer {
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struct qdio_buffer *buffer;
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atomic_t state;
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int next_element_to_fill;
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struct sk_buff_head skb_list;
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int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER];
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struct qaob *aob;
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struct qeth_qdio_out_q *q;
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struct qeth_qdio_out_buffer *next_pending;
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};
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struct qeth_card;
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enum qeth_out_q_states {
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QETH_OUT_Q_UNLOCKED,
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QETH_OUT_Q_LOCKED,
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QETH_OUT_Q_LOCKED_FLUSH,
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};
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struct qeth_qdio_out_q {
|
|
struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
|
|
struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
|
|
struct qdio_outbuf_state *bufstates; /* convenience pointer */
|
|
int queue_no;
|
|
struct qeth_card *card;
|
|
atomic_t state;
|
|
int do_pack;
|
|
/*
|
|
* index of buffer to be filled by driver; state EMPTY or PACKING
|
|
*/
|
|
int next_buf_to_fill;
|
|
/*
|
|
* number of buffers that are currently filled (PRIMED)
|
|
* -> these buffers are hardware-owned
|
|
*/
|
|
atomic_t used_buffers;
|
|
/* indicates whether PCI flag must be set (or if one is outstanding) */
|
|
atomic_t set_pci_flags_count;
|
|
};
|
|
|
|
struct qeth_qdio_info {
|
|
atomic_t state;
|
|
/* input */
|
|
int no_in_queues;
|
|
struct qeth_qdio_q *in_q;
|
|
struct qeth_qdio_q *c_q;
|
|
struct qeth_qdio_buffer_pool in_buf_pool;
|
|
struct qeth_qdio_buffer_pool init_pool;
|
|
int in_buf_size;
|
|
|
|
/* output */
|
|
int no_out_queues;
|
|
struct qeth_qdio_out_q **out_qs;
|
|
struct qdio_outbuf_state *out_bufstates;
|
|
|
|
/* priority queueing */
|
|
int do_prio_queueing;
|
|
int default_out_queue;
|
|
};
|
|
|
|
/**
|
|
* buffer stuff for read channel
|
|
*/
|
|
#define QETH_CMD_BUFFER_NO 8
|
|
|
|
/**
|
|
* channel state machine
|
|
*/
|
|
enum qeth_channel_states {
|
|
CH_STATE_UP,
|
|
CH_STATE_DOWN,
|
|
CH_STATE_ACTIVATING,
|
|
CH_STATE_HALTED,
|
|
CH_STATE_STOPPED,
|
|
CH_STATE_RCD,
|
|
CH_STATE_RCD_DONE,
|
|
};
|
|
/**
|
|
* card state machine
|
|
*/
|
|
enum qeth_card_states {
|
|
CARD_STATE_DOWN,
|
|
CARD_STATE_HARDSETUP,
|
|
CARD_STATE_SOFTSETUP,
|
|
CARD_STATE_UP,
|
|
CARD_STATE_RECOVER,
|
|
};
|
|
|
|
/**
|
|
* Protocol versions
|
|
*/
|
|
enum qeth_prot_versions {
|
|
QETH_PROT_IPV4 = 0x0004,
|
|
QETH_PROT_IPV6 = 0x0006,
|
|
};
|
|
|
|
enum qeth_cmd_buffer_state {
|
|
BUF_STATE_FREE,
|
|
BUF_STATE_LOCKED,
|
|
};
|
|
|
|
enum qeth_cq {
|
|
QETH_CQ_DISABLED = 0,
|
|
QETH_CQ_ENABLED = 1,
|
|
QETH_CQ_NOTAVAILABLE = 2,
|
|
};
|
|
|
|
struct qeth_ipato {
|
|
bool enabled;
|
|
bool invert4;
|
|
bool invert6;
|
|
struct list_head entries;
|
|
};
|
|
|
|
struct qeth_channel;
|
|
|
|
struct qeth_cmd_buffer {
|
|
enum qeth_cmd_buffer_state state;
|
|
struct qeth_channel *channel;
|
|
unsigned char *data;
|
|
int rc;
|
|
void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
|
|
};
|
|
|
|
static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
|
|
{
|
|
return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
|
|
}
|
|
|
|
/**
|
|
* definition of a qeth channel, used for read and write
|
|
*/
|
|
struct qeth_channel {
|
|
enum qeth_channel_states state;
|
|
struct ccw1 ccw;
|
|
spinlock_t iob_lock;
|
|
wait_queue_head_t wait_q;
|
|
struct ccw_device *ccwdev;
|
|
/*command buffer for control data*/
|
|
struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
|
|
atomic_t irq_pending;
|
|
int io_buf_no;
|
|
};
|
|
|
|
/**
|
|
* OSA card related definitions
|
|
*/
|
|
struct qeth_token {
|
|
__u32 issuer_rm_w;
|
|
__u32 issuer_rm_r;
|
|
__u32 cm_filter_w;
|
|
__u32 cm_filter_r;
|
|
__u32 cm_connection_w;
|
|
__u32 cm_connection_r;
|
|
__u32 ulp_filter_w;
|
|
__u32 ulp_filter_r;
|
|
__u32 ulp_connection_w;
|
|
__u32 ulp_connection_r;
|
|
};
|
|
|
|
struct qeth_seqno {
|
|
__u32 trans_hdr;
|
|
__u32 pdu_hdr;
|
|
__u32 pdu_hdr_ack;
|
|
__u16 ipa;
|
|
__u32 pkt_seqno;
|
|
};
|
|
|
|
struct qeth_reply {
|
|
struct list_head list;
|
|
wait_queue_head_t wait_q;
|
|
int (*callback)(struct qeth_card *, struct qeth_reply *,
|
|
unsigned long);
|
|
u32 seqno;
|
|
unsigned long offset;
|
|
atomic_t received;
|
|
int rc;
|
|
void *param;
|
|
struct qeth_card *card;
|
|
refcount_t refcnt;
|
|
};
|
|
|
|
struct qeth_card_blkt {
|
|
int time_total;
|
|
int inter_packet;
|
|
int inter_packet_jumbo;
|
|
};
|
|
|
|
#define QETH_BROADCAST_WITH_ECHO 0x01
|
|
#define QETH_BROADCAST_WITHOUT_ECHO 0x02
|
|
#define QETH_LAYER2_MAC_READ 0x01
|
|
#define QETH_LAYER2_MAC_REGISTERED 0x02
|
|
struct qeth_card_info {
|
|
unsigned short unit_addr2;
|
|
unsigned short cula;
|
|
unsigned short chpid;
|
|
__u16 func_level;
|
|
char mcl_level[QETH_MCL_LENGTH + 1];
|
|
int guestlan;
|
|
int mac_bits;
|
|
int portno;
|
|
enum qeth_card_types type;
|
|
enum qeth_link_types link_type;
|
|
int is_multicast_different;
|
|
int initial_mtu;
|
|
int max_mtu;
|
|
int broadcast_capable;
|
|
int unique_id;
|
|
bool layer_enforced;
|
|
struct qeth_card_blkt blkt;
|
|
enum qeth_ipa_promisc_modes promisc_mode;
|
|
__u32 diagass_support;
|
|
__u32 hwtrap;
|
|
};
|
|
|
|
struct qeth_card_options {
|
|
struct qeth_routing_info route4;
|
|
struct qeth_ipa_info ipa4;
|
|
struct qeth_ipa_info adp; /*Adapter parameters*/
|
|
struct qeth_routing_info route6;
|
|
struct qeth_ipa_info ipa6;
|
|
struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
|
|
struct qeth_vnicc_info vnicc; /* VNICC options */
|
|
int fake_broadcast;
|
|
int layer2;
|
|
int performance_stats;
|
|
int rx_sg_cb;
|
|
enum qeth_ipa_isolation_modes isolation;
|
|
enum qeth_ipa_isolation_modes prev_isolation;
|
|
int sniffer;
|
|
enum qeth_cq cq;
|
|
char hsuid[9];
|
|
};
|
|
|
|
/*
|
|
* thread bits for qeth_card thread masks
|
|
*/
|
|
enum qeth_threads {
|
|
QETH_RECOVER_THREAD = 1,
|
|
};
|
|
|
|
struct qeth_osn_info {
|
|
int (*assist_cb)(struct net_device *dev, void *data);
|
|
int (*data_cb)(struct sk_buff *skb);
|
|
};
|
|
|
|
enum qeth_discipline_id {
|
|
QETH_DISCIPLINE_UNDETERMINED = -1,
|
|
QETH_DISCIPLINE_LAYER3 = 0,
|
|
QETH_DISCIPLINE_LAYER2 = 1,
|
|
};
|
|
|
|
struct qeth_discipline {
|
|
const struct device_type *devtype;
|
|
int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done);
|
|
int (*recover)(void *ptr);
|
|
int (*setup) (struct ccwgroup_device *);
|
|
void (*remove) (struct ccwgroup_device *);
|
|
int (*set_online) (struct ccwgroup_device *);
|
|
int (*set_offline) (struct ccwgroup_device *);
|
|
int (*freeze)(struct ccwgroup_device *);
|
|
int (*thaw) (struct ccwgroup_device *);
|
|
int (*restore)(struct ccwgroup_device *);
|
|
int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd);
|
|
int (*control_event_handler)(struct qeth_card *card,
|
|
struct qeth_ipa_cmd *cmd);
|
|
};
|
|
|
|
struct qeth_vlan_vid {
|
|
struct list_head list;
|
|
unsigned short vid;
|
|
};
|
|
|
|
enum qeth_addr_disposition {
|
|
QETH_DISP_ADDR_DELETE = 0,
|
|
QETH_DISP_ADDR_DO_NOTHING = 1,
|
|
QETH_DISP_ADDR_ADD = 2,
|
|
};
|
|
|
|
struct qeth_rx {
|
|
int b_count;
|
|
int b_index;
|
|
struct qdio_buffer_element *b_element;
|
|
int e_offset;
|
|
int qdio_err;
|
|
};
|
|
|
|
struct carrier_info {
|
|
__u8 card_type;
|
|
__u16 port_mode;
|
|
__u32 port_speed;
|
|
};
|
|
|
|
struct qeth_switch_info {
|
|
__u32 capabilities;
|
|
__u32 settings;
|
|
};
|
|
|
|
#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
|
|
|
|
struct qeth_card {
|
|
struct list_head list;
|
|
enum qeth_card_states state;
|
|
int lan_online;
|
|
spinlock_t lock;
|
|
struct ccwgroup_device *gdev;
|
|
struct qeth_channel read;
|
|
struct qeth_channel write;
|
|
struct qeth_channel data;
|
|
|
|
struct net_device *dev;
|
|
struct net_device_stats stats;
|
|
|
|
struct qeth_card_info info;
|
|
struct qeth_token token;
|
|
struct qeth_seqno seqno;
|
|
struct qeth_card_options options;
|
|
|
|
wait_queue_head_t wait_q;
|
|
spinlock_t mclock;
|
|
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
|
|
struct mutex vid_list_mutex; /* vid_list */
|
|
struct list_head vid_list;
|
|
DECLARE_HASHTABLE(mac_htable, 4);
|
|
DECLARE_HASHTABLE(ip_htable, 4);
|
|
DECLARE_HASHTABLE(ip_mc_htable, 4);
|
|
struct work_struct kernel_thread_starter;
|
|
spinlock_t thread_mask_lock;
|
|
unsigned long thread_start_mask;
|
|
unsigned long thread_allowed_mask;
|
|
unsigned long thread_running_mask;
|
|
struct task_struct *recovery_task;
|
|
spinlock_t ip_lock;
|
|
struct qeth_ipato ipato;
|
|
struct list_head cmd_waiter_list;
|
|
/* QDIO buffer handling */
|
|
struct qeth_qdio_info qdio;
|
|
struct qeth_perf_stats perf_stats;
|
|
int read_or_write_problem;
|
|
struct qeth_osn_info osn_info;
|
|
struct qeth_discipline *discipline;
|
|
atomic_t force_alloc_skb;
|
|
struct service_level qeth_service_level;
|
|
struct qdio_ssqd_desc ssqd;
|
|
debug_info_t *debug;
|
|
struct mutex conf_mutex;
|
|
struct mutex discipline_mutex;
|
|
struct napi_struct napi;
|
|
struct qeth_rx rx;
|
|
struct delayed_work buffer_reclaim_work;
|
|
int reclaim_index;
|
|
struct work_struct close_dev_work;
|
|
};
|
|
|
|
struct qeth_card_list_struct {
|
|
struct list_head list;
|
|
rwlock_t rwlock;
|
|
};
|
|
|
|
struct qeth_trap_id {
|
|
__u16 lparnr;
|
|
char vmname[8];
|
|
__u8 chpid;
|
|
__u8 ssid;
|
|
__u16 devno;
|
|
} __packed;
|
|
|
|
/*some helper functions*/
|
|
#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
|
|
|
|
/**
|
|
* qeth_get_elements_for_range() - find number of SBALEs to cover range.
|
|
* @start: Start of the address range.
|
|
* @end: Address after the end of the range.
|
|
*
|
|
* Returns the number of pages, and thus QDIO buffer elements, needed to cover
|
|
* the specified address range.
|
|
*/
|
|
static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
|
|
{
|
|
return PFN_UP(end) - PFN_DOWN(start);
|
|
}
|
|
|
|
static inline int qeth_get_micros(void)
|
|
{
|
|
return (int) (get_tod_clock() >> 12);
|
|
}
|
|
|
|
static inline int qeth_get_ip_version(struct sk_buff *skb)
|
|
{
|
|
struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
|
|
__be16 prot = veth->h_vlan_proto;
|
|
|
|
if (prot == htons(ETH_P_8021Q))
|
|
prot = veth->h_vlan_encapsulated_proto;
|
|
|
|
switch (prot) {
|
|
case htons(ETH_P_IPV6):
|
|
return 6;
|
|
case htons(ETH_P_IP):
|
|
return 4;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb,
|
|
u8 flags)
|
|
{
|
|
if ((card->dev->features & NETIF_F_RXCSUM) &&
|
|
(flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) {
|
|
skb->ip_summed = CHECKSUM_UNNECESSARY;
|
|
if (card->options.performance_stats)
|
|
card->perf_stats.rx_csum++;
|
|
} else {
|
|
skb->ip_summed = CHECKSUM_NONE;
|
|
}
|
|
}
|
|
|
|
static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, int ipv)
|
|
{
|
|
*flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
|
|
if ((ipv == 4 && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
|
|
(ipv == 6 && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
|
|
*flags |= QETH_HDR_EXT_UDP;
|
|
if (ipv == 4) {
|
|
/* some HW requires combined L3+L4 csum offload: */
|
|
*flags |= QETH_HDR_EXT_CSUM_HDR_REQ;
|
|
ip_hdr(skb)->check = 0;
|
|
}
|
|
}
|
|
|
|
static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
|
|
struct qeth_buffer_pool_entry *entry)
|
|
{
|
|
list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
|
|
}
|
|
|
|
static inline int qeth_is_diagass_supported(struct qeth_card *card,
|
|
enum qeth_diags_cmds cmd)
|
|
{
|
|
return card->info.diagass_support & (__u32)cmd;
|
|
}
|
|
|
|
int qeth_send_simple_setassparms_prot(struct qeth_card *card,
|
|
enum qeth_ipa_funcs ipa_func,
|
|
u16 cmd_code, long data,
|
|
enum qeth_prot_versions prot);
|
|
/* IPv4 variant */
|
|
static inline int qeth_send_simple_setassparms(struct qeth_card *card,
|
|
enum qeth_ipa_funcs ipa_func,
|
|
u16 cmd_code, long data)
|
|
{
|
|
return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
|
|
data, QETH_PROT_IPV4);
|
|
}
|
|
|
|
static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
|
|
enum qeth_ipa_funcs ipa_func,
|
|
u16 cmd_code, long data)
|
|
{
|
|
return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
|
|
data, QETH_PROT_IPV6);
|
|
}
|
|
|
|
extern struct qeth_discipline qeth_l2_discipline;
|
|
extern struct qeth_discipline qeth_l3_discipline;
|
|
extern const struct attribute_group *qeth_generic_attr_groups[];
|
|
extern const struct attribute_group *qeth_osn_attr_groups[];
|
|
extern const struct attribute_group qeth_device_attr_group;
|
|
extern const struct attribute_group qeth_device_blkt_group;
|
|
extern const struct device_type qeth_generic_devtype;
|
|
extern struct workqueue_struct *qeth_wq;
|
|
|
|
int qeth_card_hw_is_reachable(struct qeth_card *);
|
|
const char *qeth_get_cardname_short(struct qeth_card *);
|
|
int qeth_realloc_buffer_pool(struct qeth_card *, int);
|
|
int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
|
|
void qeth_core_free_discipline(struct qeth_card *);
|
|
|
|
/* exports for qeth discipline device drivers */
|
|
extern struct qeth_card_list_struct qeth_core_card_list;
|
|
extern struct kmem_cache *qeth_core_header_cache;
|
|
extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
|
|
|
|
void qeth_set_recovery_task(struct qeth_card *);
|
|
void qeth_clear_recovery_task(struct qeth_card *);
|
|
void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
|
|
int qeth_threads_running(struct qeth_card *, unsigned long);
|
|
int qeth_wait_for_threads(struct qeth_card *, unsigned long);
|
|
int qeth_do_run_thread(struct qeth_card *, unsigned long);
|
|
void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
|
|
void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
|
|
int qeth_core_hardsetup_card(struct qeth_card *);
|
|
void qeth_print_status_message(struct qeth_card *);
|
|
int qeth_init_qdio_queues(struct qeth_card *);
|
|
int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
|
|
int (*reply_cb)
|
|
(struct qeth_card *, struct qeth_reply *, unsigned long),
|
|
void *);
|
|
struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
|
|
enum qeth_ipa_cmds, enum qeth_prot_versions);
|
|
int qeth_query_setadapterparms(struct qeth_card *);
|
|
struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
|
|
struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
|
|
struct qeth_hdr **);
|
|
void qeth_schedule_recovery(struct qeth_card *);
|
|
int qeth_poll(struct napi_struct *napi, int budget);
|
|
void qeth_clear_ipacmd_list(struct qeth_card *);
|
|
int qeth_qdio_clear_card(struct qeth_card *, int);
|
|
void qeth_clear_working_pool_list(struct qeth_card *);
|
|
void qeth_clear_cmd_buffers(struct qeth_channel *);
|
|
void qeth_clear_qdio_buffers(struct qeth_card *);
|
|
void qeth_setadp_promisc_mode(struct qeth_card *);
|
|
struct net_device_stats *qeth_get_stats(struct net_device *);
|
|
int qeth_change_mtu(struct net_device *, int);
|
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int qeth_setadpparms_change_macaddr(struct qeth_card *);
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void qeth_tx_timeout(struct net_device *);
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void qeth_prepare_control_data(struct qeth_card *, int,
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struct qeth_cmd_buffer *);
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void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
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void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
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struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
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int qeth_query_switch_attributes(struct qeth_card *card,
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struct qeth_switch_info *sw_info);
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int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
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int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
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void *reply_param);
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int qeth_bridgeport_query_ports(struct qeth_card *card,
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enum qeth_sbp_roles *role, enum qeth_sbp_states *state);
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int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role);
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int qeth_bridgeport_an_set(struct qeth_card *card, int enable);
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int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
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int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb,
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int extra_elems, int data_offset);
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int qeth_get_elements_for_frags(struct sk_buff *);
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int qeth_do_send_packet_fast(struct qeth_qdio_out_q *queue, struct sk_buff *skb,
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struct qeth_hdr *hdr, unsigned int offset,
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unsigned int hd_len);
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int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
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struct sk_buff *skb, struct qeth_hdr *hdr,
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unsigned int offset, unsigned int hd_len,
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int elements_needed);
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int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
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int qeth_core_get_sset_count(struct net_device *, int);
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void qeth_core_get_ethtool_stats(struct net_device *,
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struct ethtool_stats *, u64 *);
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void qeth_core_get_strings(struct net_device *, u32, u8 *);
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void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
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void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
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int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev,
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struct ethtool_link_ksettings *cmd);
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int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
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int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int);
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int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
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int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
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int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
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void qeth_trace_features(struct qeth_card *);
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void qeth_close_dev(struct qeth_card *);
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int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16,
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long,
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int (*reply_cb)(struct qeth_card *,
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struct qeth_reply *, unsigned long),
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void *);
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int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
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struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
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enum qeth_ipa_funcs,
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__u16, __u16,
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enum qeth_prot_versions);
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int qeth_set_features(struct net_device *, netdev_features_t);
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void qeth_recover_features(struct net_device *dev);
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netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
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netdev_features_t qeth_features_check(struct sk_buff *skb,
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struct net_device *dev,
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netdev_features_t features);
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int qeth_vm_request_mac(struct qeth_card *card);
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int qeth_push_hdr(struct sk_buff *skb, struct qeth_hdr **hdr, unsigned int len);
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/* exports for OSN */
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int qeth_osn_assist(struct net_device *, void *, int);
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int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
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int (*assist_cb)(struct net_device *, void *),
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int (*data_cb)(struct sk_buff *));
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void qeth_osn_deregister(struct net_device *);
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#endif /* __QETH_CORE_H__ */
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