mirror of
https://github.com/FEX-Emu/linux.git
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ecee51b755
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
1255 lines
30 KiB
C
1255 lines
30 KiB
C
#ifndef __QETH_H__
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#define __QETH_H__
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#include <linux/if.h>
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#include <linux/if_arp.h>
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#include <linux/if_tr.h>
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#include <linux/trdevice.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 <net/ipv6.h>
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#include <linux/in6.h>
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#include <net/if_inet6.h>
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#include <net/addrconf.h>
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#include <linux/bitops.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 "qeth_mpc.h"
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#ifdef CONFIG_QETH_IPV6
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#define QETH_VERSION_IPV6 ":IPv6"
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#else
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#define QETH_VERSION_IPV6 ""
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#endif
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#ifdef CONFIG_QETH_VLAN
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#define QETH_VERSION_VLAN ":VLAN"
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#else
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#define QETH_VERSION_VLAN ""
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#endif
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/**
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* Debug Facility stuff
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*/
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#define QETH_DBF_SETUP_NAME "qeth_setup"
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#define QETH_DBF_SETUP_LEN 8
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#define QETH_DBF_SETUP_PAGES 8
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#define QETH_DBF_SETUP_NR_AREAS 1
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#define QETH_DBF_SETUP_LEVEL 5
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#define QETH_DBF_MISC_NAME "qeth_misc"
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#define QETH_DBF_MISC_LEN 128
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#define QETH_DBF_MISC_PAGES 2
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#define QETH_DBF_MISC_NR_AREAS 1
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#define QETH_DBF_MISC_LEVEL 2
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#define QETH_DBF_DATA_NAME "qeth_data"
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#define QETH_DBF_DATA_LEN 96
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#define QETH_DBF_DATA_PAGES 8
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#define QETH_DBF_DATA_NR_AREAS 1
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#define QETH_DBF_DATA_LEVEL 2
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#define QETH_DBF_CONTROL_NAME "qeth_control"
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#define QETH_DBF_CONTROL_LEN 256
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#define QETH_DBF_CONTROL_PAGES 8
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#define QETH_DBF_CONTROL_NR_AREAS 2
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#define QETH_DBF_CONTROL_LEVEL 5
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#define QETH_DBF_TRACE_NAME "qeth_trace"
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#define QETH_DBF_TRACE_LEN 8
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#define QETH_DBF_TRACE_PAGES 4
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#define QETH_DBF_TRACE_NR_AREAS 2
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#define QETH_DBF_TRACE_LEVEL 3
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extern debug_info_t *qeth_dbf_trace;
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#define QETH_DBF_SENSE_NAME "qeth_sense"
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#define QETH_DBF_SENSE_LEN 64
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#define QETH_DBF_SENSE_PAGES 2
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#define QETH_DBF_SENSE_NR_AREAS 1
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#define QETH_DBF_SENSE_LEVEL 2
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#define QETH_DBF_QERR_NAME "qeth_qerr"
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#define QETH_DBF_QERR_LEN 8
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#define QETH_DBF_QERR_PAGES 2
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#define QETH_DBF_QERR_NR_AREAS 2
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#define QETH_DBF_QERR_LEVEL 2
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#define QETH_DBF_TEXT(name,level,text) \
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do { \
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debug_text_event(qeth_dbf_##name,level,text); \
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} while (0)
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#define QETH_DBF_HEX(name,level,addr,len) \
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do { \
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debug_event(qeth_dbf_##name,level,(void*)(addr),len); \
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} while (0)
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DECLARE_PER_CPU(char[256], qeth_dbf_txt_buf);
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#define QETH_DBF_TEXT_(name,level,text...) \
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do { \
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char* dbf_txt_buf = get_cpu_var(qeth_dbf_txt_buf); \
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sprintf(dbf_txt_buf, text); \
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debug_text_event(qeth_dbf_##name,level,dbf_txt_buf); \
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put_cpu_var(qeth_dbf_txt_buf); \
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} while (0)
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#define QETH_DBF_SPRINTF(name,level,text...) \
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do { \
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debug_sprintf_event(qeth_dbf_trace, level, ##text ); \
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debug_sprintf_event(qeth_dbf_trace, level, text ); \
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} while (0)
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/**
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* some more debug stuff
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*/
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#define PRINTK_HEADER "qeth: "
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#define HEXDUMP16(importance,header,ptr) \
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PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
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"%02x %02x %02x %02x %02x %02x %02x %02x\n", \
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*(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \
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*(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \
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*(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \
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*(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \
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*(((char*)ptr)+12),*(((char*)ptr)+13), \
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*(((char*)ptr)+14),*(((char*)ptr)+15)); \
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PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
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"%02x %02x %02x %02x %02x %02x %02x %02x\n", \
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*(((char*)ptr)+16),*(((char*)ptr)+17), \
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*(((char*)ptr)+18),*(((char*)ptr)+19), \
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*(((char*)ptr)+20),*(((char*)ptr)+21), \
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*(((char*)ptr)+22),*(((char*)ptr)+23), \
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*(((char*)ptr)+24),*(((char*)ptr)+25), \
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*(((char*)ptr)+26),*(((char*)ptr)+27), \
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*(((char*)ptr)+28),*(((char*)ptr)+29), \
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*(((char*)ptr)+30),*(((char*)ptr)+31));
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static inline void
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qeth_hex_dump(unsigned char *buf, size_t len)
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{
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size_t i;
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for (i = 0; i < len; i++) {
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if (i && !(i % 16))
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printk("\n");
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printk("%02x ", *(buf + i));
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}
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printk("\n");
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}
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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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extern struct device *qeth_root_dev;
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extern struct ccw_driver qeth_ccw_driver;
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extern struct ccwgroup_driver qeth_ccwgroup_driver;
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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) card->gdev->dev.bus_id
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#define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id
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#define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id
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#define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id
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#define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id
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#define CARD_FROM_CDEV(cdev) (struct qeth_card *) \
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((struct ccwgroup_device *)cdev->dev.driver_data)\
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->dev.driver_data;
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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_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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/* eddp data */
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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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};
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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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static inline int
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qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 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
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qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 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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#ifdef CONFIG_QETH_IPV6
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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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#else /* CONFIG_QETH_IPV6 */
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#define qeth_is_supported6(c,f) 0
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#define qeth_is_enabled6(c,f) 0
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#endif /* CONFIG_QETH_IPV6 */
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#define qeth_is_ipafunc_supported(c,prot,f) \
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(prot==QETH_PROT_IPV6)? 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)? qeth_is_enabled6(c,f):qeth_is_enabled(c,f)
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#define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101
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#define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101
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#define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
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#define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
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#define QETH_MODELLIST_ARRAY \
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{{0x1731,0x01,0x1732,0x01,QETH_CARD_TYPE_OSAE,1, \
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QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
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QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
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QETH_MAX_QUEUES,0}, \
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{0x1731,0x05,0x1732,0x05,QETH_CARD_TYPE_IQD,0, \
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QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \
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QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \
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QETH_MAX_QUEUES,0x103}, \
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{0x1731,0x06,0x1732,0x06,QETH_CARD_TYPE_OSN,0, \
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QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
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QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
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QETH_MAX_QUEUES,0}, \
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{0,0,0,0,0,0,0,0,0}}
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#define QETH_REAL_CARD 1
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#define QETH_VLAN_CARD 2
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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 IF_NAME_LEN 16
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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_HEADER_SIZE 32
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#define MAX_PORTNO 15
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#define QETH_FAKE_LL_LEN_ETH ETH_HLEN
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#define QETH_FAKE_LL_LEN_TR (sizeof(struct trh_hdr)-TR_MAXRIFLEN+sizeof(struct trllc))
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#define QETH_FAKE_LL_V6_ADDR_POS 24
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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 16
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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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#define QETH_MIN_INPUT_THRESHOLD 1
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#define QETH_MAX_INPUT_THRESHOLD 500
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#define QETH_MIN_OUTPUT_THRESHOLD 1
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#define QETH_MAX_OUTPUT_THRESHOLD 300
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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 IP_TOS_LOWDELAY 0x10
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#define IP_TOS_HIGHTHROUGHPUT 0x08
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#define IP_TOS_HIGHRELIABILITY 0x04
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#define IP_TOS_NOTIMPORTANT 0x02
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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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#define QETH_IP_HEADER_SIZE 40
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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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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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__u8 dest_addr[16];
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} __attribute__ ((packed));
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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,
|
|
QETH_HEADER_TYPE_OSN = 0x04,
|
|
};
|
|
/* flags for qeth_hdr.ext_flags */
|
|
#define QETH_HDR_EXT_VLAN_FRAME 0x01
|
|
#define QETH_HDR_EXT_TOKEN_ID 0x02
|
|
#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
|
|
#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
|
|
#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
|
|
#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
|
|
#define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/
|
|
|
|
static inline int
|
|
qeth_is_last_sbale(struct qdio_buffer_element *sbale)
|
|
{
|
|
return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
|
|
}
|
|
|
|
enum qeth_qdio_buffer_states {
|
|
/*
|
|
* inbound: read out by driver; owned by hardware in order to be filled
|
|
* outbound: owned by driver in order to be filled
|
|
*/
|
|
QETH_QDIO_BUF_EMPTY,
|
|
/*
|
|
* inbound: filled by hardware; owned by driver in order to be read out
|
|
* outbound: filled by driver; owned by hardware in order to be sent
|
|
*/
|
|
QETH_QDIO_BUF_PRIMED,
|
|
};
|
|
|
|
enum qeth_qdio_info_states {
|
|
QETH_QDIO_UNINITIALIZED,
|
|
QETH_QDIO_ALLOCATED,
|
|
QETH_QDIO_ESTABLISHED,
|
|
QETH_QDIO_CLEANING
|
|
};
|
|
|
|
struct qeth_buffer_pool_entry {
|
|
struct list_head list;
|
|
struct list_head init_list;
|
|
void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
|
|
};
|
|
|
|
struct qeth_qdio_buffer_pool {
|
|
struct list_head entry_list;
|
|
int buf_count;
|
|
};
|
|
|
|
struct qeth_qdio_buffer {
|
|
struct qdio_buffer *buffer;
|
|
volatile enum qeth_qdio_buffer_states state;
|
|
/* the buffer pool entry currently associated to this buffer */
|
|
struct qeth_buffer_pool_entry *pool_entry;
|
|
};
|
|
|
|
struct qeth_qdio_q {
|
|
struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
|
|
struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
|
|
/*
|
|
* buf_to_init means "buffer must be initialized by driver and must
|
|
* be made available for hardware" -> state is set to EMPTY
|
|
*/
|
|
volatile int next_buf_to_init;
|
|
} __attribute__ ((aligned(256)));
|
|
|
|
/* possible types of qeth large_send support */
|
|
enum qeth_large_send_types {
|
|
QETH_LARGE_SEND_NO,
|
|
QETH_LARGE_SEND_EDDP,
|
|
QETH_LARGE_SEND_TSO,
|
|
};
|
|
|
|
struct qeth_qdio_out_buffer {
|
|
struct qdio_buffer *buffer;
|
|
atomic_t state;
|
|
volatile int next_element_to_fill;
|
|
struct sk_buff_head skb_list;
|
|
struct list_head ctx_list;
|
|
};
|
|
|
|
struct qeth_card;
|
|
|
|
enum qeth_out_q_states {
|
|
QETH_OUT_Q_UNLOCKED,
|
|
QETH_OUT_Q_LOCKED,
|
|
QETH_OUT_Q_LOCKED_FLUSH,
|
|
};
|
|
|
|
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];
|
|
int queue_no;
|
|
struct qeth_card *card;
|
|
atomic_t state;
|
|
volatile int do_pack;
|
|
/*
|
|
* index of buffer to be filled by driver; state EMPTY or PACKING
|
|
*/
|
|
volatile 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;
|
|
} __attribute__ ((aligned(256)));
|
|
|
|
struct qeth_qdio_info {
|
|
atomic_t state;
|
|
/* input */
|
|
struct qeth_qdio_q *in_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;
|
|
|
|
/* priority queueing */
|
|
int do_prio_queueing;
|
|
int default_out_queue;
|
|
};
|
|
|
|
enum qeth_send_errors {
|
|
QETH_SEND_ERROR_NONE,
|
|
QETH_SEND_ERROR_LINK_FAILURE,
|
|
QETH_SEND_ERROR_RETRY,
|
|
QETH_SEND_ERROR_KICK_IT,
|
|
};
|
|
|
|
#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
|
|
#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
|
|
/* tr mc mac is longer, but that will be enough to detect mc frames */
|
|
#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
|
|
#define QETH_TR_MAC_C 0x0300 /* canonical */
|
|
|
|
#define DEFAULT_ADD_HHLEN 0
|
|
#define MAX_ADD_HHLEN 1024
|
|
|
|
/**
|
|
* 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_ip_types {
|
|
QETH_IP_TYPE_NORMAL,
|
|
QETH_IP_TYPE_VIPA,
|
|
QETH_IP_TYPE_RXIP,
|
|
QETH_IP_TYPE_DEL_ALL_MC,
|
|
};
|
|
|
|
enum qeth_cmd_buffer_state {
|
|
BUF_STATE_FREE,
|
|
BUF_STATE_LOCKED,
|
|
BUF_STATE_PROCESSED,
|
|
};
|
|
/**
|
|
* IP address and multicast list
|
|
*/
|
|
struct qeth_ipaddr {
|
|
struct list_head entry;
|
|
enum qeth_ip_types type;
|
|
enum qeth_ipa_setdelip_flags set_flags;
|
|
enum qeth_ipa_setdelip_flags del_flags;
|
|
int is_multicast;
|
|
volatile int users;
|
|
enum qeth_prot_versions proto;
|
|
unsigned char mac[OSA_ADDR_LEN];
|
|
union {
|
|
struct {
|
|
unsigned int addr;
|
|
unsigned int mask;
|
|
} a4;
|
|
struct {
|
|
struct in6_addr addr;
|
|
unsigned int pfxlen;
|
|
} a6;
|
|
} u;
|
|
};
|
|
|
|
struct qeth_ipato_entry {
|
|
struct list_head entry;
|
|
enum qeth_prot_versions proto;
|
|
char addr[16];
|
|
int mask_bits;
|
|
};
|
|
|
|
struct qeth_ipato {
|
|
int enabled;
|
|
int invert4;
|
|
int 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 *);
|
|
};
|
|
|
|
|
|
/**
|
|
* 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 tasklet_struct irq_tasklet;
|
|
struct ccw_device *ccwdev;
|
|
/*command buffer for control data*/
|
|
struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
|
|
atomic_t irq_pending;
|
|
volatile int io_buf_no;
|
|
volatile int 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;
|
|
atomic_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 portname_required;
|
|
int portno;
|
|
char portname[9];
|
|
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;
|
|
struct qeth_card_blkt blkt;
|
|
__u32 csum_mask;
|
|
enum qeth_ipa_promisc_modes promisc_mode;
|
|
};
|
|
|
|
struct qeth_card_options {
|
|
struct qeth_routing_info route4;
|
|
struct qeth_ipa_info ipa4;
|
|
struct qeth_ipa_info adp; /*Adapter parameters*/
|
|
#ifdef CONFIG_QETH_IPV6
|
|
struct qeth_routing_info route6;
|
|
struct qeth_ipa_info ipa6;
|
|
#endif /* QETH_IPV6 */
|
|
enum qeth_checksum_types checksum_type;
|
|
int broadcast_mode;
|
|
int macaddr_mode;
|
|
int fake_broadcast;
|
|
int add_hhlen;
|
|
int fake_ll;
|
|
int layer2;
|
|
enum qeth_large_send_types large_send;
|
|
int performance_stats;
|
|
int rx_sg_cb;
|
|
};
|
|
|
|
/*
|
|
* thread bits for qeth_card thread masks
|
|
*/
|
|
enum qeth_threads {
|
|
QETH_SET_IP_THREAD = 1,
|
|
QETH_RECOVER_THREAD = 2,
|
|
QETH_SET_PROMISC_MODE_THREAD = 4,
|
|
};
|
|
|
|
struct qeth_osn_info {
|
|
int (*assist_cb)(struct net_device *dev, void *data);
|
|
int (*data_cb)(struct sk_buff *skb);
|
|
};
|
|
|
|
struct qeth_card {
|
|
struct list_head list;
|
|
enum qeth_card_states state;
|
|
int lan_online;
|
|
spinlock_t lock;
|
|
/*hardware and sysfs stuff*/
|
|
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;
|
|
#ifdef CONFIG_QETH_VLAN
|
|
spinlock_t vlanlock;
|
|
struct vlan_group *vlangrp;
|
|
#endif
|
|
struct work_struct kernel_thread_starter;
|
|
spinlock_t thread_mask_lock;
|
|
volatile unsigned long thread_start_mask;
|
|
volatile unsigned long thread_allowed_mask;
|
|
volatile unsigned long thread_running_mask;
|
|
spinlock_t ip_lock;
|
|
struct list_head ip_list;
|
|
struct list_head *ip_tbd_list;
|
|
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 use_hard_stop;
|
|
int (*orig_hard_header)(struct sk_buff *,struct net_device *,
|
|
unsigned short,void *,void *,unsigned);
|
|
struct qeth_osn_info osn_info;
|
|
atomic_t force_alloc_skb;
|
|
};
|
|
|
|
struct qeth_card_list_struct {
|
|
struct list_head list;
|
|
rwlock_t rwlock;
|
|
};
|
|
|
|
extern struct qeth_card_list_struct qeth_card_list;
|
|
|
|
/*notifier list */
|
|
struct qeth_notify_list_struct {
|
|
struct list_head list;
|
|
struct task_struct *task;
|
|
int signum;
|
|
};
|
|
extern spinlock_t qeth_notify_lock;
|
|
extern struct list_head qeth_notify_list;
|
|
|
|
/*some helper functions*/
|
|
|
|
#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
|
|
|
|
static inline __u8
|
|
qeth_get_ipa_adp_type(enum qeth_link_types link_type)
|
|
{
|
|
switch (link_type) {
|
|
case QETH_LINK_TYPE_HSTR:
|
|
return 2;
|
|
default:
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static inline struct sk_buff *
|
|
qeth_realloc_headroom(struct qeth_card *card, struct sk_buff *skb, int size)
|
|
{
|
|
struct sk_buff *new_skb = skb;
|
|
|
|
if (skb_headroom(skb) >= size)
|
|
return skb;
|
|
new_skb = skb_realloc_headroom(skb, size);
|
|
if (!new_skb)
|
|
PRINT_ERR("Could not realloc headroom for qeth_hdr "
|
|
"on interface %s", QETH_CARD_IFNAME(card));
|
|
return new_skb;
|
|
}
|
|
|
|
static inline struct sk_buff *
|
|
qeth_pskb_unshare(struct sk_buff *skb, gfp_t pri)
|
|
{
|
|
struct sk_buff *nskb;
|
|
if (!skb_cloned(skb))
|
|
return skb;
|
|
nskb = skb_copy(skb, pri);
|
|
return nskb;
|
|
}
|
|
|
|
static inline void *
|
|
qeth_push_skb(struct qeth_card *card, struct sk_buff *skb, int size)
|
|
{
|
|
void *hdr;
|
|
|
|
hdr = (void *) skb_push(skb, size);
|
|
/*
|
|
* sanity check, the Linux memory allocation scheme should
|
|
* never present us cases like this one (the qdio header size plus
|
|
* the first 40 bytes of the paket cross a 4k boundary)
|
|
*/
|
|
if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) !=
|
|
(((unsigned long) hdr + size +
|
|
QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
|
|
PRINT_ERR("Misaligned packet on interface %s. Discarded.",
|
|
QETH_CARD_IFNAME(card));
|
|
return NULL;
|
|
}
|
|
return hdr;
|
|
}
|
|
|
|
|
|
static inline int
|
|
qeth_get_hlen(__u8 link_type)
|
|
{
|
|
#ifdef CONFIG_QETH_IPV6
|
|
switch (link_type) {
|
|
case QETH_LINK_TYPE_HSTR:
|
|
case QETH_LINK_TYPE_LANE_TR:
|
|
return sizeof(struct qeth_hdr_tso) + TR_HLEN;
|
|
default:
|
|
#ifdef CONFIG_QETH_VLAN
|
|
return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN;
|
|
#else
|
|
return sizeof(struct qeth_hdr_tso) + ETH_HLEN;
|
|
#endif
|
|
}
|
|
#else /* CONFIG_QETH_IPV6 */
|
|
#ifdef CONFIG_QETH_VLAN
|
|
return sizeof(struct qeth_hdr_tso) + VLAN_HLEN;
|
|
#else
|
|
return sizeof(struct qeth_hdr_tso);
|
|
#endif
|
|
#endif /* CONFIG_QETH_IPV6 */
|
|
}
|
|
|
|
static inline unsigned short
|
|
qeth_get_netdev_flags(struct qeth_card *card)
|
|
{
|
|
if (card->options.layer2 &&
|
|
(card->info.type == QETH_CARD_TYPE_OSAE))
|
|
return 0;
|
|
switch (card->info.type) {
|
|
case QETH_CARD_TYPE_IQD:
|
|
case QETH_CARD_TYPE_OSN:
|
|
return IFF_NOARP;
|
|
#ifdef CONFIG_QETH_IPV6
|
|
default:
|
|
return 0;
|
|
#else
|
|
default:
|
|
return IFF_NOARP;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
qeth_get_initial_mtu_for_card(struct qeth_card * card)
|
|
{
|
|
switch (card->info.type) {
|
|
case QETH_CARD_TYPE_UNKNOWN:
|
|
return 1500;
|
|
case QETH_CARD_TYPE_IQD:
|
|
return card->info.max_mtu;
|
|
case QETH_CARD_TYPE_OSAE:
|
|
switch (card->info.link_type) {
|
|
case QETH_LINK_TYPE_HSTR:
|
|
case QETH_LINK_TYPE_LANE_TR:
|
|
return 2000;
|
|
default:
|
|
return 1492;
|
|
}
|
|
default:
|
|
return 1500;
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
qeth_get_max_mtu_for_card(int cardtype)
|
|
{
|
|
switch (cardtype) {
|
|
|
|
case QETH_CARD_TYPE_UNKNOWN:
|
|
case QETH_CARD_TYPE_OSAE:
|
|
case QETH_CARD_TYPE_OSN:
|
|
return 61440;
|
|
case QETH_CARD_TYPE_IQD:
|
|
return 57344;
|
|
default:
|
|
return 1500;
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
qeth_get_mtu_out_of_mpc(int cardtype)
|
|
{
|
|
switch (cardtype) {
|
|
case QETH_CARD_TYPE_IQD:
|
|
return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
qeth_get_mtu_outof_framesize(int framesize)
|
|
{
|
|
switch (framesize) {
|
|
case 0x4000:
|
|
return 8192;
|
|
case 0x6000:
|
|
return 16384;
|
|
case 0xa000:
|
|
return 32768;
|
|
case 0xffff:
|
|
return 57344;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
qeth_mtu_is_valid(struct qeth_card * card, int mtu)
|
|
{
|
|
switch (card->info.type) {
|
|
case QETH_CARD_TYPE_OSAE:
|
|
return ((mtu >= 576) && (mtu <= 61440));
|
|
case QETH_CARD_TYPE_IQD:
|
|
return ((mtu >= 576) &&
|
|
(mtu <= card->info.max_mtu + 4096 - 32));
|
|
case QETH_CARD_TYPE_OSN:
|
|
case QETH_CARD_TYPE_UNKNOWN:
|
|
default:
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
qeth_get_arphdr_type(int cardtype, int linktype)
|
|
{
|
|
switch (cardtype) {
|
|
case QETH_CARD_TYPE_OSAE:
|
|
case QETH_CARD_TYPE_OSN:
|
|
switch (linktype) {
|
|
case QETH_LINK_TYPE_LANE_TR:
|
|
case QETH_LINK_TYPE_HSTR:
|
|
return ARPHRD_IEEE802_TR;
|
|
default:
|
|
return ARPHRD_ETHER;
|
|
}
|
|
case QETH_CARD_TYPE_IQD:
|
|
default:
|
|
return ARPHRD_ETHER;
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
qeth_get_micros(void)
|
|
{
|
|
return (int) (get_clock() >> 12);
|
|
}
|
|
|
|
static inline int
|
|
qeth_get_qdio_q_format(struct qeth_card *card)
|
|
{
|
|
switch (card->info.type) {
|
|
case QETH_CARD_TYPE_IQD:
|
|
return 2;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
qeth_isxdigit(char * buf)
|
|
{
|
|
while (*buf) {
|
|
if (!isxdigit(*buf++))
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static inline void
|
|
qeth_ipaddr4_to_string(const __u8 *addr, char *buf)
|
|
{
|
|
sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
|
|
}
|
|
|
|
static inline int
|
|
qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
|
|
{
|
|
int count = 0, rc = 0;
|
|
int in[4];
|
|
char c;
|
|
|
|
rc = sscanf(buf, "%u.%u.%u.%u%c",
|
|
&in[0], &in[1], &in[2], &in[3], &c);
|
|
if (rc != 4 && (rc != 5 || c != '\n'))
|
|
return -EINVAL;
|
|
for (count = 0; count < 4; count++) {
|
|
if (in[count] > 255)
|
|
return -EINVAL;
|
|
addr[count] = in[count];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline void
|
|
qeth_ipaddr6_to_string(const __u8 *addr, char *buf)
|
|
{
|
|
sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
|
|
":%02x%02x:%02x%02x:%02x%02x:%02x%02x",
|
|
addr[0], addr[1], addr[2], addr[3],
|
|
addr[4], addr[5], addr[6], addr[7],
|
|
addr[8], addr[9], addr[10], addr[11],
|
|
addr[12], addr[13], addr[14], addr[15]);
|
|
}
|
|
|
|
static inline int
|
|
qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
|
|
{
|
|
const char *end, *end_tmp, *start;
|
|
__u16 *in;
|
|
char num[5];
|
|
int num2, cnt, out, found, save_cnt;
|
|
unsigned short in_tmp[8] = {0, };
|
|
|
|
cnt = out = found = save_cnt = num2 = 0;
|
|
end = start = buf;
|
|
in = (__u16 *) addr;
|
|
memset(in, 0, 16);
|
|
while (*end) {
|
|
end = strchr(start,':');
|
|
if (end == NULL) {
|
|
end = buf + strlen(buf);
|
|
if ((end_tmp = strchr(start, '\n')) != NULL)
|
|
end = end_tmp;
|
|
out = 1;
|
|
}
|
|
if ((end - start)) {
|
|
memset(num, 0, 5);
|
|
if ((end - start) > 4)
|
|
return -EINVAL;
|
|
memcpy(num, start, end - start);
|
|
if (!qeth_isxdigit(num))
|
|
return -EINVAL;
|
|
sscanf(start, "%x", &num2);
|
|
if (found)
|
|
in_tmp[save_cnt++] = num2;
|
|
else
|
|
in[cnt++] = num2;
|
|
if (out)
|
|
break;
|
|
} else {
|
|
if (found)
|
|
return -EINVAL;
|
|
found = 1;
|
|
}
|
|
start = ++end;
|
|
}
|
|
if (cnt + save_cnt > 8)
|
|
return -EINVAL;
|
|
cnt = 7;
|
|
while (save_cnt)
|
|
in[cnt--] = in_tmp[--save_cnt];
|
|
return 0;
|
|
}
|
|
|
|
static inline void
|
|
qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
|
|
char *buf)
|
|
{
|
|
if (proto == QETH_PROT_IPV4)
|
|
qeth_ipaddr4_to_string(addr, buf);
|
|
else if (proto == QETH_PROT_IPV6)
|
|
qeth_ipaddr6_to_string(addr, buf);
|
|
}
|
|
|
|
static inline int
|
|
qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto,
|
|
__u8 *addr)
|
|
{
|
|
if (proto == QETH_PROT_IPV4)
|
|
return qeth_string_to_ipaddr4(buf, addr);
|
|
else if (proto == QETH_PROT_IPV6)
|
|
return qeth_string_to_ipaddr6(buf, addr);
|
|
else
|
|
return -EINVAL;
|
|
}
|
|
|
|
extern int
|
|
qeth_setrouting_v4(struct qeth_card *);
|
|
extern int
|
|
qeth_setrouting_v6(struct qeth_card *);
|
|
|
|
extern int
|
|
qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
|
|
|
|
extern void
|
|
qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int);
|
|
|
|
extern int
|
|
qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
|
|
|
|
extern void
|
|
qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
|
|
|
|
extern int
|
|
qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
|
|
|
|
extern void
|
|
qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
|
|
|
|
extern int
|
|
qeth_notifier_register(struct task_struct *, int );
|
|
|
|
extern int
|
|
qeth_notifier_unregister(struct task_struct * );
|
|
|
|
extern void
|
|
qeth_schedule_recovery(struct qeth_card *);
|
|
|
|
extern int
|
|
qeth_realloc_buffer_pool(struct qeth_card *, int);
|
|
|
|
extern int
|
|
qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
|
|
|
|
extern void
|
|
qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
|
|
struct sk_buff *, int, int);
|
|
extern void
|
|
qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int);
|
|
|
|
extern int
|
|
qeth_osn_assist(struct net_device *, void *, int);
|
|
|
|
extern int
|
|
qeth_osn_register(unsigned char *read_dev_no,
|
|
struct net_device **,
|
|
int (*assist_cb)(struct net_device *, void *),
|
|
int (*data_cb)(struct sk_buff *));
|
|
|
|
extern void
|
|
qeth_osn_deregister(struct net_device *);
|
|
|
|
#endif /* __QETH_H__ */
|