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qeth: new qeth device driver

Browse source 
List of major changes and improvements:
 no manipulation of the global ARP constructor
 clean code split into core, layer 2 and layer 3 functionality
 better exploitation of the ethtool interface
 better representation of the various hardware capabilities
 fix packet socket support (tcpdump), no fake_ll required
 osasnmpd notification via udev events
 coding style and beautification

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Frank Blaschka 2008-02-15 09:19:42 +01:00 committed by Jeff Garzik
parent 04885948b1
commit 4a71df5004
14 changed files with 13498 additions and 21 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
arch/s390/defconfig
View file

@ -537,11 +537,9 @@ CONFIG_CTC=m
# CONFIG_SMSGIUCV is not set
# CONFIG_CLAW is not set
CONFIG_QETH=y
#
# Gigabit Ethernet default settings
#
# CONFIG_QETH_IPV6 is not set
CONFIG_QETH_L2=y
CONFIG_QETH_L3=y
CONFIG_QETH_IPV6=y
CONFIG_CCWGROUP=y
# CONFIG_PPP is not set
# CONFIG_SLIP is not set

31
drivers/s390/net/Kconfig
View file

@ -67,23 +67,26 @@ config QETH
To compile this driver as a module, choose M.
The module name is qeth.ko.
config QETH_L2
tristate "qeth layer 2 device support"
depends on QETH
help
Select this option to be able to run qeth devices in layer 2 mode.
To compile as a module, choose M. The module name is qeth_l2.ko.
If unsure, choose y.
comment "Gigabit Ethernet default settings"
depends on QETH
config QETH_L3
tristate "qeth layer 3 device support"
depends on QETH
help
Select this option to be able to run qeth devices in layer 3 mode.
To compile as a module choose M. The module name is qeth_l3.ko.
If unsure, choose Y.
config QETH_IPV6
bool "IPv6 support for gigabit ethernet"
depends on (QETH = IPV6) || (QETH && IPV6 = 'y')
help
If CONFIG_QETH is switched on, this option will include IPv6
support in the qeth device driver.
config QETH_VLAN
bool "VLAN support for gigabit ethernet"
depends on (QETH = VLAN_8021Q) || (QETH && VLAN_8021Q = 'y')
help
If CONFIG_QETH is switched on, this option will include IEEE
802.1q VLAN support in the qeth device driver.
bool
depends on (QETH_L3 = IPV6) || (QETH_L3 && IPV6 = 'y')
default y
config CCWGROUP
tristate

7
drivers/s390/net/Makefile
View file

@ -8,6 +8,9 @@ obj-$(CONFIG_NETIUCV) += netiucv.o fsm.o
obj-$(CONFIG_SMSGIUCV) += smsgiucv.o
obj-$(CONFIG_LCS) += lcs.o cu3088.o
obj-$(CONFIG_CLAW) += claw.o cu3088.o
qeth-y := qeth_main.o qeth_mpc.o qeth_sys.o qeth_eddp.o
qeth-$(CONFIG_PROC_FS) += qeth_proc.o
qeth-y += qeth_core_sys.o qeth_core_main.o qeth_core_mpc.o qeth_core_offl.o
obj-$(CONFIG_QETH) += qeth.o
qeth_l2-y += qeth_l2_main.o
obj-$(CONFIG_QETH_L2) += qeth_l2.o
qeth_l3-y += qeth_l3_main.o qeth_l3_sys.o
obj-$(CONFIG_QETH_L3) += qeth_l3.o

916
drivers/s390/net/qeth_core.h Normal file
View file

@ -0,0 +1,916 @@
/*
* drivers/s390/net/qeth_core.h
*
* Copyright IBM Corp. 2007
* Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
* Frank Pavlic <fpavlic@de.ibm.com>,
* Thomas Spatzier <tspat@de.ibm.com>,
* Frank Blaschka <frank.blaschka@de.ibm.com>
*/
#ifndef __QETH_CORE_H__
#define __QETH_CORE_H__
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/if_tr.h>
#include <linux/trdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_vlan.h>
#include <linux/ctype.h>
#include <linux/in6.h>
#include <linux/bitops.h>
#include <linux/seq_file.h>
#include <linux/ethtool.h>
#include <net/ipv6.h>
#include <net/if_inet6.h>
#include <net/addrconf.h>
#include <asm/debug.h>
#include <asm/qdio.h>
#include <asm/ccwdev.h>
#include <asm/ccwgroup.h>
#include "qeth_core_mpc.h"
/**
* Debug Facility stuff
*/
#define QETH_DBF_SETUP_NAME "qeth_setup"
#define QETH_DBF_SETUP_LEN 8
#define QETH_DBF_SETUP_PAGES 8
#define QETH_DBF_SETUP_NR_AREAS 1
#define QETH_DBF_SETUP_LEVEL 5
#define QETH_DBF_MISC_NAME "qeth_misc"
#define QETH_DBF_MISC_LEN 128
#define QETH_DBF_MISC_PAGES 2
#define QETH_DBF_MISC_NR_AREAS 1
#define QETH_DBF_MISC_LEVEL 2
#define QETH_DBF_DATA_NAME "qeth_data"
#define QETH_DBF_DATA_LEN 96
#define QETH_DBF_DATA_PAGES 8
#define QETH_DBF_DATA_NR_AREAS 1
#define QETH_DBF_DATA_LEVEL 2
#define QETH_DBF_CONTROL_NAME "qeth_control"
#define QETH_DBF_CONTROL_LEN 256
#define QETH_DBF_CONTROL_PAGES 8
#define QETH_DBF_CONTROL_NR_AREAS 1
#define QETH_DBF_CONTROL_LEVEL 5
#define QETH_DBF_TRACE_NAME "qeth_trace"
#define QETH_DBF_TRACE_LEN 8
#define QETH_DBF_TRACE_PAGES 4
#define QETH_DBF_TRACE_NR_AREAS 1
#define QETH_DBF_TRACE_LEVEL 3
#define QETH_DBF_SENSE_NAME "qeth_sense"
#define QETH_DBF_SENSE_LEN 64
#define QETH_DBF_SENSE_PAGES 2
#define QETH_DBF_SENSE_NR_AREAS 1
#define QETH_DBF_SENSE_LEVEL 2
#define QETH_DBF_QERR_NAME "qeth_qerr"
#define QETH_DBF_QERR_LEN 8
#define QETH_DBF_QERR_PAGES 2
#define QETH_DBF_QERR_NR_AREAS 1
#define QETH_DBF_QERR_LEVEL 2
#define QETH_DBF_TEXT(name, level, text) \
do { \
debug_text_event(qeth_dbf_##name, level, text); \
} while (0)
#define QETH_DBF_HEX(name, level, addr, len) \
do { \
debug_event(qeth_dbf_##name, level, (void *)(addr), len); \
} while (0)
/* Allow to sort out low debug levels early to avoid wasted sprints */
static inline int qeth_dbf_passes(debug_info_t *dbf_grp, int level)
{
return (level <= dbf_grp->level);
}
/**
* some more debug stuff
*/
#define PRINTK_HEADER "qeth: "
#define SENSE_COMMAND_REJECT_BYTE 0
#define SENSE_COMMAND_REJECT_FLAG 0x80
#define SENSE_RESETTING_EVENT_BYTE 1
#define SENSE_RESETTING_EVENT_FLAG 0x80
/*
* Common IO related definitions
*/
#define CARD_RDEV(card) card->read.ccwdev
#define CARD_WDEV(card) card->write.ccwdev
#define CARD_DDEV(card) card->data.ccwdev
#define CARD_BUS_ID(card) card->gdev->dev.bus_id
#define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id
#define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id
#define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id
#define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id
/**
* card stuff
*/
struct qeth_perf_stats {
unsigned int bufs_rec;
unsigned int bufs_sent;
unsigned int skbs_sent_pack;
unsigned int bufs_sent_pack;
unsigned int sc_dp_p;
unsigned int sc_p_dp;
/* qdio_input_handler: number of times called, time spent in */
__u64 inbound_start_time;
unsigned int inbound_cnt;
unsigned int inbound_time;
/* qeth_send_packet: number of times called, time spent in */
__u64 outbound_start_time;
unsigned int outbound_cnt;
unsigned int outbound_time;
/* qdio_output_handler: number of times called, time spent in */
__u64 outbound_handler_start_time;
unsigned int outbound_handler_cnt;
unsigned int outbound_handler_time;
/* number of calls to and time spent in do_QDIO for inbound queue */
__u64 inbound_do_qdio_start_time;
unsigned int inbound_do_qdio_cnt;
unsigned int inbound_do_qdio_time;
/* number of calls to and time spent in do_QDIO for outbound queues */
__u64 outbound_do_qdio_start_time;
unsigned int outbound_do_qdio_cnt;
unsigned int outbound_do_qdio_time;
/* eddp data */
unsigned int large_send_bytes;
unsigned int large_send_cnt;
unsigned int sg_skbs_sent;
unsigned int sg_frags_sent;
/* initial values when measuring starts */
unsigned long initial_rx_packets;
unsigned long initial_tx_packets;
/* inbound scatter gather data */
unsigned int sg_skbs_rx;
unsigned int sg_frags_rx;
unsigned int sg_alloc_page_rx;
};
/* Routing stuff */
struct qeth_routing_info {
enum qeth_routing_types type;
};
/* IPA stuff */
struct qeth_ipa_info {
__u32 supported_funcs;
__u32 enabled_funcs;
};
static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
enum qeth_ipa_funcs func)
{
return (ipa->supported_funcs & func);
}
static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
enum qeth_ipa_funcs func)
{
return (ipa->supported_funcs & ipa->enabled_funcs & func);
}
#define qeth_adp_supported(c, f) \
qeth_is_ipa_supported(&c->options.adp, f)
#define qeth_adp_enabled(c, f) \
qeth_is_ipa_enabled(&c->options.adp, f)
#define qeth_is_supported(c, f) \
qeth_is_ipa_supported(&c->options.ipa4, f)
#define qeth_is_enabled(c, f) \
qeth_is_ipa_enabled(&c->options.ipa4, f)
#define qeth_is_supported6(c, f) \
qeth_is_ipa_supported(&c->options.ipa6, f)
#define qeth_is_enabled6(c, f) \
qeth_is_ipa_enabled(&c->options.ipa6, f)
#define qeth_is_ipafunc_supported(c, prot, f) \
((prot == QETH_PROT_IPV6) ? \
qeth_is_supported6(c, f) : qeth_is_supported(c, f))
#define qeth_is_ipafunc_enabled(c, prot, f) \
((prot == QETH_PROT_IPV6) ? \
qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
#define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101
#define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101
#define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
#define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
#define QETH_MODELLIST_ARRAY \
{{0x1731, 0x01, 0x1732, 0x01, QETH_CARD_TYPE_OSAE, 1, \
QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
QETH_MAX_QUEUES, 0}, \
{0x1731, 0x05, 0x1732, 0x05, QETH_CARD_TYPE_IQD, 0, \
QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \
QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \
QETH_MAX_QUEUES, 0x103}, \
{0x1731, 0x06, 0x1732, 0x06, QETH_CARD_TYPE_OSN, 0, \
QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
QETH_MAX_QUEUES, 0}, \
{0, 0, 0, 0, 0, 0, 0, 0, 0} }
#define QETH_REAL_CARD 1
#define QETH_VLAN_CARD 2
#define QETH_BUFSIZE 4096
/**
* some more defs
*/
#define QETH_TX_TIMEOUT 100 * HZ
#define QETH_RCD_TIMEOUT 60 * HZ
#define QETH_HEADER_SIZE 32
#define QETH_MAX_PORTNO 15
/*IPv6 address autoconfiguration stuff*/
#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
#define UNIQUE_ID_NOT_BY_CARD 0x10000
/*****************************************************************************/
/* QDIO queue and buffer handling */
/*****************************************************************************/
#define QETH_MAX_QUEUES 4
#define QETH_IN_BUF_SIZE_DEFAULT 65536
#define QETH_IN_BUF_COUNT_DEFAULT 16
#define QETH_IN_BUF_COUNT_MIN 8
#define QETH_IN_BUF_COUNT_MAX 128
#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
((card)->qdio.in_buf_pool.buf_count / 2)
/* buffers we have to be behind before we get a PCI */
#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
/*enqueued free buffers left before we get a PCI*/
#define QETH_PCI_THRESHOLD_B(card) 0
/*not used unless the microcode gets patched*/
#define QETH_PCI_TIMER_VALUE(card) 3
#define QETH_MIN_INPUT_THRESHOLD 1
#define QETH_MAX_INPUT_THRESHOLD 500
#define QETH_MIN_OUTPUT_THRESHOLD 1
#define QETH_MAX_OUTPUT_THRESHOLD 300
/* priority queing */
#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
#define QETH_DEFAULT_QUEUE 2
#define QETH_NO_PRIO_QUEUEING 0
#define QETH_PRIO_Q_ING_PREC 1
#define QETH_PRIO_Q_ING_TOS 2
#define IP_TOS_LOWDELAY 0x10
#define IP_TOS_HIGHTHROUGHPUT 0x08
#define IP_TOS_HIGHRELIABILITY 0x04
#define IP_TOS_NOTIMPORTANT 0x02
/* Packing */
#define QETH_LOW_WATERMARK_PACK 2
#define QETH_HIGH_WATERMARK_PACK 5
#define QETH_WATERMARK_PACK_FUZZ 1
#define QETH_IP_HEADER_SIZE 40
/* large receive scatter gather copy break */
#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
struct qeth_hdr_layer3 {
__u8 id;
__u8 flags;
__u16 inbound_checksum; /*TSO:__u16 seqno */
__u32 token; /*TSO: __u32 reserved */
__u16 length;
__u8 vlan_prio;
__u8 ext_flags;
__u16 vlan_id;
__u16 frame_offset;
__u8 dest_addr[16];
} __attribute__ ((packed));
struct qeth_hdr_layer2 {
__u8 id;
__u8 flags[3];
__u8 port_no;
__u8 hdr_length;
__u16 pkt_length;
__u16 seq_no;
__u16 vlan_id;
__u32 reserved;
__u8 reserved2[16];
} __attribute__ ((packed));
struct qeth_hdr_osn {
__u8 id;
__u8 reserved;
__u16 seq_no;
__u16 reserved2;
__u16 control_flags;
__u16 pdu_length;
__u8 reserved3[18];
__u32 ccid;
} __attribute__ ((packed));
struct qeth_hdr {
union {
struct qeth_hdr_layer2 l2;
struct qeth_hdr_layer3 l3;
struct qeth_hdr_osn osn;
} hdr;
} __attribute__ ((packed));
/*TCP Segmentation Offload header*/
struct qeth_hdr_ext_tso {
__u16 hdr_tot_len;
__u8 imb_hdr_no;
__u8 reserved;
__u8 hdr_type;
__u8 hdr_version;
__u16 hdr_len;
__u32 payload_len;
__u16 mss;
__u16 dg_hdr_len;
__u8 padding[16];
} __attribute__ ((packed));
struct qeth_hdr_tso {
struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
struct qeth_hdr_ext_tso ext;
} __attribute__ ((packed));
/* flags for qeth_hdr.flags */
#define QETH_HDR_PASSTHRU 0x10
#define QETH_HDR_IPV6 0x80
#define QETH_HDR_CAST_MASK 0x07
enum qeth_cast_flags {
QETH_CAST_UNICAST = 0x06,
QETH_CAST_MULTICAST = 0x04,
QETH_CAST_BROADCAST = 0x05,
QETH_CAST_ANYCAST = 0x07,
QETH_CAST_NOCAST = 0x00,
};
enum qeth_layer2_frame_flags {
QETH_LAYER2_FLAG_MULTICAST = 0x01,
QETH_LAYER2_FLAG_BROADCAST = 0x02,
QETH_LAYER2_FLAG_UNICAST = 0x04,
QETH_LAYER2_FLAG_VLAN = 0x10,
};
enum qeth_header_ids {
QETH_HEADER_TYPE_LAYER3 = 0x01,
QETH_HEADER_TYPE_LAYER2 = 0x02,
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;
/* 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];
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;
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;
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;
} __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,
};
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;
int io_buf_no;
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*/
struct qeth_routing_info route6;
struct qeth_ipa_info ipa6;
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_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_LAYER3 = 0,
QETH_DISCIPLINE_LAYER2 = 1,
};
struct qeth_discipline {
qdio_handler_t *input_handler;
qdio_handler_t *output_handler;
int (*recover)(void *ptr);
struct ccwgroup_driver *ccwgdriver;
};
struct qeth_vlan_vid {
struct list_head list;
unsigned short vid;
};
struct qeth_mc_mac {
struct list_head list;
__u8 mc_addr[MAX_ADDR_LEN];
unsigned char mc_addrlen;
};
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 vlanlock;
spinlock_t mclock;
struct vlan_group *vlangrp;
struct list_head vid_list;
struct list_head mc_list;
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;
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;
struct qeth_osn_info osn_info;
struct qeth_discipline discipline;
atomic_t force_alloc_skb;
};
struct qeth_card_list_struct {
struct list_head list;
rwlock_t rwlock;
};
/*some helper functions*/
#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev)
{
struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *)
dev_get_drvdata(&cdev->dev))->dev);
return card;
}
static inline int qeth_get_micros(void)
{
return (int) (get_clock() >> 12);
}
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_ip_version(struct sk_buff *skb)
{
switch (skb->protocol) {
case ETH_P_IPV6:
return 6;
case ETH_P_IP:
return 4;
default:
return 0;
}
}
struct qeth_eddp_context;
extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
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 *);
int qeth_core_create_device_attributes(struct device *);
void qeth_core_remove_device_attributes(struct device *);
int qeth_core_create_osn_attributes(struct device *);
void qeth_core_remove_osn_attributes(struct device *);
/* exports for qeth discipline device drivers */
extern struct qeth_card_list_struct qeth_core_card_list;
extern debug_info_t *qeth_dbf_setup;
extern debug_info_t *qeth_dbf_data;
extern debug_info_t *qeth_dbf_misc;
extern debug_info_t *qeth_dbf_control;
extern debug_info_t *qeth_dbf_trace;
extern debug_info_t *qeth_dbf_sense;
extern debug_info_t *qeth_dbf_qerr;
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_startlan(struct qeth_card *);
int qeth_send_stoplan(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 *);
int qeth_check_qdio_errors(struct qdio_buffer *, unsigned int,
unsigned int, const char *);
void qeth_put_buffer_pool_entry(struct qeth_card *,
struct qeth_buffer_pool_entry *);
void qeth_queue_input_buffer(struct qeth_card *, int);
struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
struct qdio_buffer *, struct qdio_buffer_element **, int *,
struct qeth_hdr **);
void qeth_schedule_recovery(struct qeth_card *);
void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
unsigned int, unsigned int,
unsigned int, int, int,
unsigned long);
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);
int qeth_setadpparms_change_macaddr(struct qeth_card *);
void qeth_tx_timeout(struct net_device *);
void qeth_prepare_control_data(struct qeth_card *, int,
struct qeth_cmd_buffer *);
void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
int qeth_mdio_read(struct net_device *, int, int);
int qeth_snmp_command(struct qeth_card *, char __user *);
int qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
unsigned long);
int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
void *reply_param);
int qeth_get_cast_type(struct qeth_card *, struct sk_buff *);
int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
struct sk_buff *qeth_prepare_skb(struct qeth_card *, struct sk_buff *,
struct qeth_hdr **);
int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
struct sk_buff *, struct qeth_hdr *, int,
struct qeth_eddp_context *);
int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
struct sk_buff *, struct qeth_hdr *,
int, struct qeth_eddp_context *);
int qeth_core_get_stats_count(struct net_device *);
void qeth_core_get_ethtool_stats(struct net_device *,
struct ethtool_stats *, u64 *);
void qeth_core_get_strings(struct net_device *, u32, u8 *);
void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
/* exports for OSN */
int qeth_osn_assist(struct net_device *, void *, int);
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 *));
void qeth_osn_deregister(struct net_device *);
#endif /* __QETH_CORE_H__ */

4540
drivers/s390/net/qeth_core_main.c Normal file
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266
drivers/s390/net/qeth_core_mpc.c Normal file
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@ -0,0 +1,266 @@
/*
* drivers/s390/net/qeth_core_mpc.c
*
* Copyright IBM Corp. 2007
* Author(s): Frank Pavlic <fpavlic@de.ibm.com>,
* Thomas Spatzier <tspat@de.ibm.com>,
* Frank Blaschka <frank.blaschka@de.ibm.com>
*/
#include <linux/module.h>
#include <asm/cio.h>
#include "qeth_core_mpc.h"
unsigned char IDX_ACTIVATE_READ[] = {
0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x19, 0x01, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc1,
0xd3, 0xd3, 0xd6, 0xd3, 0xc5, 0x40, 0x00, 0x00,
0x00, 0x00
};
unsigned char IDX_ACTIVATE_WRITE[] = {
0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x15, 0x01, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc1,
0xd3, 0xd3, 0xd6, 0xd3, 0xc5, 0x40, 0x00, 0x00,
0x00, 0x00
};
unsigned char CM_ENABLE[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x63,
0x10, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x81, 0x7e, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x23,
0x00, 0x00, 0x23, 0x05, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x40,
0x00, 0x0c, 0x41, 0x02, 0x00, 0x17, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x0b, 0x04, 0x01,
0x7e, 0x04, 0x05, 0x00, 0x01, 0x01, 0x0f,
0x00,
0x0c, 0x04, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff
};
unsigned char CM_SETUP[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x64,
0x10, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x81, 0x7e, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x24,
0x00, 0x00, 0x24, 0x05, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x40,
0x00, 0x0c, 0x41, 0x04, 0x00, 0x18, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x09, 0x04, 0x04,
0x05, 0x00, 0x01, 0x01, 0x11,
0x00, 0x09, 0x04,
0x05, 0x05, 0x00, 0x00, 0x00, 0x00,
0x00, 0x06,
0x04, 0x06, 0xc8, 0x00
};
unsigned char ULP_ENABLE[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x6b,
0x10, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x41, 0x7e, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x2b,
0x00, 0x00, 0x2b, 0x05, 0x20, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x40,
0x00, 0x0c, 0x41, 0x02, 0x00, 0x1f, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x0b, 0x04, 0x01,
0x03, 0x04, 0x05, 0x00, 0x01, 0x01, 0x12,
0x00,
0x14, 0x04, 0x0a, 0x00, 0x20, 0x00, 0x00, 0xff,
0xff, 0x00, 0x08, 0xc8, 0xe8, 0xc4, 0xf1, 0xc7,
0xf1, 0x00, 0x00
};
unsigned char ULP_SETUP[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x6c,
0x10, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x41, 0x7e, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x01, 0x00, 0x24, 0x00, 0x2c,
0x00, 0x00, 0x2c, 0x05, 0x20, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x40,
0x00, 0x0c, 0x41, 0x04, 0x00, 0x20, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x09, 0x04, 0x04,
0x05, 0x00, 0x01, 0x01, 0x14,
0x00, 0x09, 0x04,
0x05, 0x05, 0x30, 0x01, 0x00, 0x00,
0x00, 0x06,
0x04, 0x06, 0x40, 0x00,
0x00, 0x08, 0x04, 0x0b,
0x00, 0x00, 0x00, 0x00
};
unsigned char DM_ACT[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x55,
0x10, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x41, 0x7e, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03,
0x00, 0x00, 0x00, 0x02, 0x00, 0x24, 0x00, 0x15,
0x00, 0x00, 0x2c, 0x05, 0x20, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0x40,
0x00, 0x0c, 0x43, 0x60, 0x00, 0x09, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x09, 0x04, 0x04,
0x05, 0x40, 0x01, 0x01, 0x00
};
unsigned char IPA_PDU_HEADER[] = {
0x00, 0xe0, 0x00, 0x00, 0x77, 0x77, 0x77, 0x77,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00,
(IPA_PDU_HEADER_SIZE+sizeof(struct qeth_ipa_cmd)) / 256,
(IPA_PDU_HEADER_SIZE+sizeof(struct qeth_ipa_cmd)) % 256,
0x10, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0xc1, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x24,
sizeof(struct qeth_ipa_cmd) / 256,
sizeof(struct qeth_ipa_cmd) % 256,
0x00,
sizeof(struct qeth_ipa_cmd) / 256,
sizeof(struct qeth_ipa_cmd) % 256,
0x05,
0x77, 0x77, 0x77, 0x77,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00,
sizeof(struct qeth_ipa_cmd) / 256,
sizeof(struct qeth_ipa_cmd) % 256,
0x00, 0x00, 0x00, 0x40,
};
EXPORT_SYMBOL_GPL(IPA_PDU_HEADER);
unsigned char WRITE_CCW[] = {
0x01, CCW_FLAG_SLI, 0, 0,
0, 0, 0, 0
};
unsigned char READ_CCW[] = {
0x02, CCW_FLAG_SLI, 0, 0,
0, 0, 0, 0
};
struct ipa_rc_msg {
enum qeth_ipa_return_codes rc;
char *msg;
};
static struct ipa_rc_msg qeth_ipa_rc_msg[] = {
{IPA_RC_SUCCESS, "success"},
{IPA_RC_NOTSUPP, "Command not supported"},
{IPA_RC_IP_TABLE_FULL, "Add Addr IP Table Full - ipv6"},
{IPA_RC_UNKNOWN_ERROR, "IPA command failed - reason unknown"},
{IPA_RC_UNSUPPORTED_COMMAND, "Command not supported"},
{IPA_RC_DUP_IPV6_REMOTE, "ipv6 address already registered remote"},
{IPA_RC_DUP_IPV6_HOME, "ipv6 address already registered"},
{IPA_RC_UNREGISTERED_ADDR, "Address not registered"},
{IPA_RC_NO_ID_AVAILABLE, "No identifiers available"},
{IPA_RC_ID_NOT_FOUND, "Identifier not found"},
{IPA_RC_INVALID_IP_VERSION, "IP version incorrect"},
{IPA_RC_LAN_FRAME_MISMATCH, "LAN and frame mismatch"},
{IPA_RC_L2_UNSUPPORTED_CMD, "Unsupported layer 2 command"},
{IPA_RC_L2_DUP_MAC, "Duplicate MAC address"},
{IPA_RC_L2_ADDR_TABLE_FULL, "Layer2 address table full"},
{IPA_RC_L2_DUP_LAYER3_MAC, "Duplicate with layer 3 MAC"},
{IPA_RC_L2_GMAC_NOT_FOUND, "GMAC not found"},
{IPA_RC_L2_MAC_NOT_FOUND, "L2 mac address not found"},
{IPA_RC_L2_INVALID_VLAN_ID, "L2 invalid vlan id"},
{IPA_RC_L2_DUP_VLAN_ID, "L2 duplicate vlan id"},
{IPA_RC_L2_VLAN_ID_NOT_FOUND, "L2 vlan id not found"},
{IPA_RC_DATA_MISMATCH, "Data field mismatch (v4/v6 mixed)"},
{IPA_RC_INVALID_MTU_SIZE, "Invalid MTU size"},
{IPA_RC_INVALID_LANTYPE, "Invalid LAN type"},
{IPA_RC_INVALID_LANNUM, "Invalid LAN num"},
{IPA_RC_DUPLICATE_IP_ADDRESS, "Address already registered"},
{IPA_RC_IP_ADDR_TABLE_FULL, "IP address table full"},
{IPA_RC_LAN_PORT_STATE_ERROR, "LAN port state error"},
{IPA_RC_SETIP_NO_STARTLAN, "Setip no startlan received"},
{IPA_RC_SETIP_ALREADY_RECEIVED, "Setip already received"},
{IPA_RC_IP_ADDR_ALREADY_USED, "IP address already in use on LAN"},
{IPA_RC_MULTICAST_FULL, "No task available, multicast full"},
{IPA_RC_SETIP_INVALID_VERSION, "SETIP invalid IP version"},
{IPA_RC_UNSUPPORTED_SUBCMD, "Unsupported assist subcommand"},
{IPA_RC_ARP_ASSIST_NO_ENABLE, "Only partial success, no enable"},
{IPA_RC_PRIMARY_ALREADY_DEFINED, "Primary already defined"},
{IPA_RC_SECOND_ALREADY_DEFINED, "Secondary already defined"},
{IPA_RC_INVALID_SETRTG_INDICATOR, "Invalid SETRTG indicator"},
{IPA_RC_MC_ADDR_ALREADY_DEFINED, "Multicast address already defined"},
{IPA_RC_LAN_OFFLINE, "STRTLAN_LAN_DISABLED - LAN offline"},
{IPA_RC_INVALID_IP_VERSION2, "Invalid IP version"},
{IPA_RC_FFFF, "Unknown Error"}
};
char *qeth_get_ipa_msg(enum qeth_ipa_return_codes rc)
{
int x = 0;
qeth_ipa_rc_msg[sizeof(qeth_ipa_rc_msg) /
sizeof(struct ipa_rc_msg) - 1].rc = rc;
while (qeth_ipa_rc_msg[x].rc != rc)
x++;
return qeth_ipa_rc_msg[x].msg;
}
struct ipa_cmd_names {
enum qeth_ipa_cmds cmd;
char *name;
};
static struct ipa_cmd_names qeth_ipa_cmd_names[] = {
{IPA_CMD_STARTLAN, "startlan"},
{IPA_CMD_STOPLAN, "stoplan"},
{IPA_CMD_SETVMAC, "setvmac"},
{IPA_CMD_DELVMAC, "delvmca"},
{IPA_CMD_SETGMAC, "setgmac"},
{IPA_CMD_DELGMAC, "delgmac"},
{IPA_CMD_SETVLAN, "setvlan"},
{IPA_CMD_DELVLAN, "delvlan"},
{IPA_CMD_SETCCID, "setccid"},
{IPA_CMD_DELCCID, "delccid"},
{IPA_CMD_MODCCID, "modccid"},
{IPA_CMD_SETIP, "setip"},
{IPA_CMD_QIPASSIST, "qipassist"},
{IPA_CMD_SETASSPARMS, "setassparms"},
{IPA_CMD_SETIPM, "setipm"},
{IPA_CMD_DELIPM, "delipm"},
{IPA_CMD_SETRTG, "setrtg"},
{IPA_CMD_DELIP, "delip"},
{IPA_CMD_SETADAPTERPARMS, "setadapterparms"},
{IPA_CMD_SET_DIAG_ASS, "set_diag_ass"},
{IPA_CMD_CREATE_ADDR, "create_addr"},
{IPA_CMD_DESTROY_ADDR, "destroy_addr"},
{IPA_CMD_REGISTER_LOCAL_ADDR, "register_local_addr"},
{IPA_CMD_UNREGISTER_LOCAL_ADDR, "unregister_local_addr"},
{IPA_CMD_UNKNOWN, "unknown"},
};
char *qeth_get_ipa_cmd_name(enum qeth_ipa_cmds cmd)
{
int x = 0;
qeth_ipa_cmd_names[
sizeof(qeth_ipa_cmd_names) /
sizeof(struct ipa_cmd_names)-1].cmd = cmd;
while (qeth_ipa_cmd_names[x].cmd != cmd)
x++;
return qeth_ipa_cmd_names[x].name;
}

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/*
* drivers/s390/net/qeth_core_mpc.h
*
* Copyright IBM Corp. 2007
* Author(s): Frank Pavlic <fpavlic@de.ibm.com>,
* Thomas Spatzier <tspat@de.ibm.com>,
* Frank Blaschka <frank.blaschka@de.ibm.com>
*/
#ifndef __QETH_CORE_MPC_H__
#define __QETH_CORE_MPC_H__
#include <asm/qeth.h>
#define IPA_PDU_HEADER_SIZE 0x40
#define QETH_IPA_PDU_LEN_TOTAL(buffer) (buffer + 0x0e)
#define QETH_IPA_PDU_LEN_PDU1(buffer) (buffer + 0x26)
#define QETH_IPA_PDU_LEN_PDU2(buffer) (buffer + 0x29)
#define QETH_IPA_PDU_LEN_PDU3(buffer) (buffer + 0x3a)
extern unsigned char IPA_PDU_HEADER[];
#define QETH_IPA_CMD_DEST_ADDR(buffer) (buffer + 0x2c)
#define IPA_CMD_LENGTH (IPA_PDU_HEADER_SIZE + sizeof(struct qeth_ipa_cmd))
#define QETH_SEQ_NO_LENGTH 4
#define QETH_MPC_TOKEN_LENGTH 4
#define QETH_MCL_LENGTH 4
#define OSA_ADDR_LEN 6
#define QETH_TIMEOUT (10 * HZ)
#define QETH_IPA_TIMEOUT (45 * HZ)
#define QETH_IDX_COMMAND_SEQNO 0xffff0000
#define SR_INFO_LEN 16
#define QETH_CLEAR_CHANNEL_PARM -10
#define QETH_HALT_CHANNEL_PARM -11
#define QETH_RCD_PARM -12
/*****************************************************************************/
/* IP Assist related definitions */
/*****************************************************************************/
#define IPA_CMD_INITIATOR_HOST 0x00
#define IPA_CMD_INITIATOR_OSA 0x01
#define IPA_CMD_INITIATOR_HOST_REPLY 0x80
#define IPA_CMD_INITIATOR_OSA_REPLY 0x81
#define IPA_CMD_PRIM_VERSION_NO 0x01
enum qeth_card_types {
QETH_CARD_TYPE_UNKNOWN = 0,
QETH_CARD_TYPE_OSAE = 10,
QETH_CARD_TYPE_IQD = 1234,
QETH_CARD_TYPE_OSN = 11,
};
#define QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE 0x18
/* only the first two bytes are looked at in qeth_get_cardname_short */
enum qeth_link_types {
QETH_LINK_TYPE_FAST_ETH = 0x01,
QETH_LINK_TYPE_HSTR = 0x02,
QETH_LINK_TYPE_GBIT_ETH = 0x03,
QETH_LINK_TYPE_OSN = 0x04,
QETH_LINK_TYPE_10GBIT_ETH = 0x10,
QETH_LINK_TYPE_LANE_ETH100 = 0x81,
QETH_LINK_TYPE_LANE_TR = 0x82,
QETH_LINK_TYPE_LANE_ETH1000 = 0x83,
QETH_LINK_TYPE_LANE = 0x88,
QETH_LINK_TYPE_ATM_NATIVE = 0x90,
};
enum qeth_tr_macaddr_modes {
QETH_TR_MACADDR_NONCANONICAL = 0,
QETH_TR_MACADDR_CANONICAL = 1,
};
enum qeth_tr_broadcast_modes {
QETH_TR_BROADCAST_ALLRINGS = 0,
QETH_TR_BROADCAST_LOCAL = 1,
};
/* these values match CHECKSUM_* in include/linux/skbuff.h */
enum qeth_checksum_types {
SW_CHECKSUMMING = 0, /* TODO: set to bit flag used in IPA Command */
HW_CHECKSUMMING = 1,
NO_CHECKSUMMING = 2,
};
#define QETH_CHECKSUM_DEFAULT SW_CHECKSUMMING
/*
* Routing stuff
*/
#define RESET_ROUTING_FLAG 0x10 /* indicate that routing type shall be set */
enum qeth_routing_types {
/* TODO: set to bit flag used in IPA Command */
NO_ROUTER = 0,
PRIMARY_ROUTER = 1,
SECONDARY_ROUTER = 2,
MULTICAST_ROUTER = 3,
PRIMARY_CONNECTOR = 4,
SECONDARY_CONNECTOR = 5,
};
/* IPA Commands */
enum qeth_ipa_cmds {
IPA_CMD_STARTLAN = 0x01,
IPA_CMD_STOPLAN = 0x02,
IPA_CMD_SETVMAC = 0x21,
IPA_CMD_DELVMAC = 0x22,
IPA_CMD_SETGMAC = 0x23,
IPA_CMD_DELGMAC = 0x24,
IPA_CMD_SETVLAN = 0x25,
IPA_CMD_DELVLAN = 0x26,
IPA_CMD_SETCCID = 0x41,
IPA_CMD_DELCCID = 0x42,
IPA_CMD_MODCCID = 0x43,
IPA_CMD_SETIP = 0xb1,
IPA_CMD_QIPASSIST = 0xb2,
IPA_CMD_SETASSPARMS = 0xb3,
IPA_CMD_SETIPM = 0xb4,
IPA_CMD_DELIPM = 0xb5,
IPA_CMD_SETRTG = 0xb6,
IPA_CMD_DELIP = 0xb7,
IPA_CMD_SETADAPTERPARMS = 0xb8,
IPA_CMD_SET_DIAG_ASS = 0xb9,
IPA_CMD_CREATE_ADDR = 0xc3,
IPA_CMD_DESTROY_ADDR = 0xc4,
IPA_CMD_REGISTER_LOCAL_ADDR = 0xd1,
IPA_CMD_UNREGISTER_LOCAL_ADDR = 0xd2,
IPA_CMD_UNKNOWN = 0x00
};
enum qeth_ip_ass_cmds {
IPA_CMD_ASS_START = 0x0001,
IPA_CMD_ASS_STOP = 0x0002,
IPA_CMD_ASS_CONFIGURE = 0x0003,
IPA_CMD_ASS_ENABLE = 0x0004,
};
enum qeth_arp_process_subcmds {
IPA_CMD_ASS_ARP_SET_NO_ENTRIES = 0x0003,
IPA_CMD_ASS_ARP_QUERY_CACHE = 0x0004,
IPA_CMD_ASS_ARP_ADD_ENTRY = 0x0005,
IPA_CMD_ASS_ARP_REMOVE_ENTRY = 0x0006,
IPA_CMD_ASS_ARP_FLUSH_CACHE = 0x0007,
IPA_CMD_ASS_ARP_QUERY_INFO = 0x0104,
IPA_CMD_ASS_ARP_QUERY_STATS = 0x0204,
};
/* Return Codes for IPA Commands
* according to OSA card Specs */
enum qeth_ipa_return_codes {
IPA_RC_SUCCESS = 0x0000,
IPA_RC_NOTSUPP = 0x0001,
IPA_RC_IP_TABLE_FULL = 0x0002,
IPA_RC_UNKNOWN_ERROR = 0x0003,
IPA_RC_UNSUPPORTED_COMMAND = 0x0004,
IPA_RC_DUP_IPV6_REMOTE = 0x0008,
IPA_RC_DUP_IPV6_HOME = 0x0010,
IPA_RC_UNREGISTERED_ADDR = 0x0011,
IPA_RC_NO_ID_AVAILABLE = 0x0012,
IPA_RC_ID_NOT_FOUND = 0x0013,
IPA_RC_INVALID_IP_VERSION = 0x0020,
IPA_RC_LAN_FRAME_MISMATCH = 0x0040,
IPA_RC_L2_UNSUPPORTED_CMD = 0x2003,
IPA_RC_L2_DUP_MAC = 0x2005,
IPA_RC_L2_ADDR_TABLE_FULL = 0x2006,
IPA_RC_L2_DUP_LAYER3_MAC = 0x200a,
IPA_RC_L2_GMAC_NOT_FOUND = 0x200b,
IPA_RC_L2_MAC_NOT_FOUND = 0x2010,
IPA_RC_L2_INVALID_VLAN_ID = 0x2015,
IPA_RC_L2_DUP_VLAN_ID = 0x2016,
IPA_RC_L2_VLAN_ID_NOT_FOUND = 0x2017,
IPA_RC_DATA_MISMATCH = 0xe001,
IPA_RC_INVALID_MTU_SIZE = 0xe002,
IPA_RC_INVALID_LANTYPE = 0xe003,
IPA_RC_INVALID_LANNUM = 0xe004,
IPA_RC_DUPLICATE_IP_ADDRESS = 0xe005,
IPA_RC_IP_ADDR_TABLE_FULL = 0xe006,
IPA_RC_LAN_PORT_STATE_ERROR = 0xe007,
IPA_RC_SETIP_NO_STARTLAN = 0xe008,
IPA_RC_SETIP_ALREADY_RECEIVED = 0xe009,
IPA_RC_IP_ADDR_ALREADY_USED = 0xe00a,
IPA_RC_MULTICAST_FULL = 0xe00b,
IPA_RC_SETIP_INVALID_VERSION = 0xe00d,
IPA_RC_UNSUPPORTED_SUBCMD = 0xe00e,
IPA_RC_ARP_ASSIST_NO_ENABLE = 0xe00f,
IPA_RC_PRIMARY_ALREADY_DEFINED = 0xe010,
IPA_RC_SECOND_ALREADY_DEFINED = 0xe011,
IPA_RC_INVALID_SETRTG_INDICATOR = 0xe012,
IPA_RC_MC_ADDR_ALREADY_DEFINED = 0xe013,
IPA_RC_LAN_OFFLINE = 0xe080,
IPA_RC_INVALID_IP_VERSION2 = 0xf001,
IPA_RC_FFFF = 0xffff
};
/* IPA function flags; each flag marks availability of respective function */
enum qeth_ipa_funcs {
IPA_ARP_PROCESSING = 0x00000001L,
IPA_INBOUND_CHECKSUM = 0x00000002L,
IPA_OUTBOUND_CHECKSUM = 0x00000004L,
IPA_IP_FRAGMENTATION = 0x00000008L,
IPA_FILTERING = 0x00000010L,
IPA_IPV6 = 0x00000020L,
IPA_MULTICASTING = 0x00000040L,
IPA_IP_REASSEMBLY = 0x00000080L,
IPA_QUERY_ARP_COUNTERS = 0x00000100L,
IPA_QUERY_ARP_ADDR_INFO = 0x00000200L,
IPA_SETADAPTERPARMS = 0x00000400L,
IPA_VLAN_PRIO = 0x00000800L,
IPA_PASSTHRU = 0x00001000L,
IPA_FLUSH_ARP_SUPPORT = 0x00002000L,
IPA_FULL_VLAN = 0x00004000L,
IPA_INBOUND_PASSTHRU = 0x00008000L,
IPA_SOURCE_MAC = 0x00010000L,
IPA_OSA_MC_ROUTER = 0x00020000L,
IPA_QUERY_ARP_ASSIST = 0x00040000L,
IPA_INBOUND_TSO = 0x00080000L,
IPA_OUTBOUND_TSO = 0x00100000L,
};
/* SETIP/DELIP IPA Command: ***************************************************/
enum qeth_ipa_setdelip_flags {
QETH_IPA_SETDELIP_DEFAULT = 0x00L, /* default */
QETH_IPA_SETIP_VIPA_FLAG = 0x01L, /* no grat. ARP */
QETH_IPA_SETIP_TAKEOVER_FLAG = 0x02L, /* nofail on grat. ARP */
QETH_IPA_DELIP_ADDR_2_B_TAKEN_OVER = 0x20L,
QETH_IPA_DELIP_VIPA_FLAG = 0x40L,
QETH_IPA_DELIP_ADDR_NEEDS_SETIP = 0x80L,
};
/* SETADAPTER IPA Command: ****************************************************/
enum qeth_ipa_setadp_cmd {
IPA_SETADP_QUERY_COMMANDS_SUPPORTED = 0x0001,
IPA_SETADP_ALTER_MAC_ADDRESS = 0x0002,
IPA_SETADP_ADD_DELETE_GROUP_ADDRESS = 0x0004,
IPA_SETADP_ADD_DELETE_FUNCTIONAL_ADDR = 0x0008,
IPA_SETADP_SET_ADDRESSING_MODE = 0x0010,
IPA_SETADP_SET_CONFIG_PARMS = 0x0020,
IPA_SETADP_SET_CONFIG_PARMS_EXTENDED = 0x0040,
IPA_SETADP_SET_BROADCAST_MODE = 0x0080,
IPA_SETADP_SEND_OSA_MESSAGE = 0x0100,
IPA_SETADP_SET_SNMP_CONTROL = 0x0200,
IPA_SETADP_QUERY_CARD_INFO = 0x0400,
IPA_SETADP_SET_PROMISC_MODE = 0x0800,
};
enum qeth_ipa_mac_ops {
CHANGE_ADDR_READ_MAC = 0,
CHANGE_ADDR_REPLACE_MAC = 1,
CHANGE_ADDR_ADD_MAC = 2,
CHANGE_ADDR_DEL_MAC = 4,
CHANGE_ADDR_RESET_MAC = 8,
};
enum qeth_ipa_addr_ops {
CHANGE_ADDR_READ_ADDR = 0,
CHANGE_ADDR_ADD_ADDR = 1,
CHANGE_ADDR_DEL_ADDR = 2,
CHANGE_ADDR_FLUSH_ADDR_TABLE = 4,
};
enum qeth_ipa_promisc_modes {
SET_PROMISC_MODE_OFF = 0,
SET_PROMISC_MODE_ON = 1,
};
/* (SET)DELIP(M) IPA stuff ***************************************************/
struct qeth_ipacmd_setdelip4 {
__u8 ip_addr[4];
__u8 mask[4];
__u32 flags;
} __attribute__ ((packed));
struct qeth_ipacmd_setdelip6 {
__u8 ip_addr[16];
__u8 mask[16];
__u32 flags;
} __attribute__ ((packed));
struct qeth_ipacmd_setdelipm {
__u8 mac[6];
__u8 padding[2];
__u8 ip6[12];
__u8 ip4[4];
} __attribute__ ((packed));
struct qeth_ipacmd_layer2setdelmac {
__u32 mac_length;
__u8 mac[6];
} __attribute__ ((packed));
struct qeth_ipacmd_layer2setdelvlan {
__u16 vlan_id;
} __attribute__ ((packed));
struct qeth_ipacmd_setassparms_hdr {
__u32 assist_no;
__u16 length;
__u16 command_code;
__u16 return_code;
__u8 number_of_replies;
__u8 seq_no;
} __attribute__((packed));
struct qeth_arp_query_data {
__u16 request_bits;
__u16 reply_bits;
__u32 no_entries;
char data;
} __attribute__((packed));
/* used as parameter for arp_query reply */
struct qeth_arp_query_info {
__u32 udata_len;
__u16 mask_bits;
__u32 udata_offset;
__u32 no_entries;
char *udata;
};
/* SETASSPARMS IPA Command: */
struct qeth_ipacmd_setassparms {
struct qeth_ipacmd_setassparms_hdr hdr;
union {
__u32 flags_32bit;
struct qeth_arp_cache_entry add_arp_entry;
struct qeth_arp_query_data query_arp;
__u8 ip[16];
} data;
} __attribute__ ((packed));
/* SETRTG IPA Command: ****************************************************/
struct qeth_set_routing {
__u8 type;
};
/* SETADAPTERPARMS IPA Command: *******************************************/
struct qeth_query_cmds_supp {
__u32 no_lantypes_supp;
__u8 lan_type;
__u8 reserved1[3];
__u32 supported_cmds;
__u8 reserved2[8];
} __attribute__ ((packed));
struct qeth_change_addr {
__u32 cmd;
__u32 addr_size;
__u32 no_macs;
__u8 addr[OSA_ADDR_LEN];
} __attribute__ ((packed));
struct qeth_snmp_cmd {
__u8 token[16];
__u32 request;
__u32 interface;
__u32 returncode;
__u32 firmwarelevel;
__u32 seqno;
__u8 data;
} __attribute__ ((packed));
struct qeth_snmp_ureq_hdr {
__u32 data_len;
__u32 req_len;
__u32 reserved1;
__u32 reserved2;
} __attribute__ ((packed));
struct qeth_snmp_ureq {
struct qeth_snmp_ureq_hdr hdr;
struct qeth_snmp_cmd cmd;
} __attribute__((packed));
struct qeth_ipacmd_setadpparms_hdr {
__u32 supp_hw_cmds;
__u32 reserved1;
__u16 cmdlength;
__u16 reserved2;
__u32 command_code;
__u16 return_code;
__u8 used_total;
__u8 seq_no;
__u32 reserved3;
} __attribute__ ((packed));
struct qeth_ipacmd_setadpparms {
struct qeth_ipacmd_setadpparms_hdr hdr;
union {
struct qeth_query_cmds_supp query_cmds_supp;
struct qeth_change_addr change_addr;
struct qeth_snmp_cmd snmp;
__u32 mode;
} data;
} __attribute__ ((packed));
/* CREATE_ADDR IPA Command: ***********************************************/
struct qeth_create_destroy_address {
__u8 unique_id[8];
} __attribute__ ((packed));
/* Header for each IPA command */
struct qeth_ipacmd_hdr {
__u8 command;
__u8 initiator;
__u16 seqno;
__u16 return_code;
__u8 adapter_type;
__u8 rel_adapter_no;
__u8 prim_version_no;
__u8 param_count;
__u16 prot_version;
__u32 ipa_supported;
__u32 ipa_enabled;
} __attribute__ ((packed));
/* The IPA command itself */
struct qeth_ipa_cmd {
struct qeth_ipacmd_hdr hdr;
union {
struct qeth_ipacmd_setdelip4 setdelip4;
struct qeth_ipacmd_setdelip6 setdelip6;
struct qeth_ipacmd_setdelipm setdelipm;
struct qeth_ipacmd_setassparms setassparms;
struct qeth_ipacmd_layer2setdelmac setdelmac;
struct qeth_ipacmd_layer2setdelvlan setdelvlan;
struct qeth_create_destroy_address create_destroy_addr;
struct qeth_ipacmd_setadpparms setadapterparms;
struct qeth_set_routing setrtg;
} data;
} __attribute__ ((packed));
/*
* special command for ARP processing.
* this is not included in setassparms command before, because we get
* problem with the size of struct qeth_ipacmd_setassparms otherwise
*/
enum qeth_ipa_arp_return_codes {
QETH_IPA_ARP_RC_SUCCESS = 0x0000,
QETH_IPA_ARP_RC_FAILED = 0x0001,
QETH_IPA_ARP_RC_NOTSUPP = 0x0002,
QETH_IPA_ARP_RC_OUT_OF_RANGE = 0x0003,
QETH_IPA_ARP_RC_Q_NOTSUPP = 0x0004,
QETH_IPA_ARP_RC_Q_NO_DATA = 0x0008,
};
extern char *qeth_get_ipa_msg(enum qeth_ipa_return_codes rc);
extern char *qeth_get_ipa_cmd_name(enum qeth_ipa_cmds cmd);
#define QETH_SETASS_BASE_LEN (sizeof(struct qeth_ipacmd_hdr) + \
sizeof(struct qeth_ipacmd_setassparms_hdr))
#define QETH_IPA_ARP_DATA_POS(buffer) (buffer + IPA_PDU_HEADER_SIZE + \
QETH_SETASS_BASE_LEN)
#define QETH_SETADP_BASE_LEN (sizeof(struct qeth_ipacmd_hdr) + \
sizeof(struct qeth_ipacmd_setadpparms_hdr))
#define QETH_SNMP_SETADP_CMDLENGTH 16
#define QETH_ARP_DATA_SIZE 3968
#define QETH_ARP_CMD_LEN (QETH_ARP_DATA_SIZE + 8)
/* Helper functions */
#define IS_IPA_REPLY(cmd) ((cmd->hdr.initiator == IPA_CMD_INITIATOR_HOST) || \
(cmd->hdr.initiator == IPA_CMD_INITIATOR_OSA_REPLY))
/*****************************************************************************/
/* END OF IP Assist related definitions */
/*****************************************************************************/
extern unsigned char WRITE_CCW[];
extern unsigned char READ_CCW[];
extern unsigned char CM_ENABLE[];
#define CM_ENABLE_SIZE 0x63
#define QETH_CM_ENABLE_ISSUER_RM_TOKEN(buffer) (buffer + 0x2c)
#define QETH_CM_ENABLE_FILTER_TOKEN(buffer) (buffer + 0x53)
#define QETH_CM_ENABLE_USER_DATA(buffer) (buffer + 0x5b)
#define QETH_CM_ENABLE_RESP_FILTER_TOKEN(buffer) \
(PDU_ENCAPSULATION(buffer) + 0x13)
extern unsigned char CM_SETUP[];
#define CM_SETUP_SIZE 0x64
#define QETH_CM_SETUP_DEST_ADDR(buffer) (buffer + 0x2c)
#define QETH_CM_SETUP_CONNECTION_TOKEN(buffer) (buffer + 0x51)
#define QETH_CM_SETUP_FILTER_TOKEN(buffer) (buffer + 0x5a)
#define QETH_CM_SETUP_RESP_DEST_ADDR(buffer) \
(PDU_ENCAPSULATION(buffer) + 0x1a)
extern unsigned char ULP_ENABLE[];
#define ULP_ENABLE_SIZE 0x6b
#define QETH_ULP_ENABLE_LINKNUM(buffer) (buffer + 0x61)
#define QETH_ULP_ENABLE_DEST_ADDR(buffer) (buffer + 0x2c)
#define QETH_ULP_ENABLE_FILTER_TOKEN(buffer) (buffer + 0x53)
#define QETH_ULP_ENABLE_PORTNAME_AND_LL(buffer) (buffer + 0x62)
#define QETH_ULP_ENABLE_RESP_FILTER_TOKEN(buffer) \
(PDU_ENCAPSULATION(buffer) + 0x13)
#define QETH_ULP_ENABLE_RESP_MAX_MTU(buffer) \
(PDU_ENCAPSULATION(buffer) + 0x1f)
#define QETH_ULP_ENABLE_RESP_DIFINFO_LEN(buffer) \
(PDU_ENCAPSULATION(buffer) + 0x17)
#define QETH_ULP_ENABLE_RESP_LINK_TYPE(buffer) \
(PDU_ENCAPSULATION(buffer) + 0x2b)
/* Layer 2 defintions */
#define QETH_PROT_LAYER2 0x08
#define QETH_PROT_TCPIP 0x03
#define QETH_PROT_OSN2 0x0a
#define QETH_ULP_ENABLE_PROT_TYPE(buffer) (buffer + 0x50)
#define QETH_IPA_CMD_PROT_TYPE(buffer) (buffer + 0x19)
extern unsigned char ULP_SETUP[];
#define ULP_SETUP_SIZE 0x6c
#define QETH_ULP_SETUP_DEST_ADDR(buffer) (buffer + 0x2c)
#define QETH_ULP_SETUP_CONNECTION_TOKEN(buffer) (buffer + 0x51)
#define QETH_ULP_SETUP_FILTER_TOKEN(buffer) (buffer + 0x5a)
#define QETH_ULP_SETUP_CUA(buffer) (buffer + 0x68)
#define QETH_ULP_SETUP_REAL_DEVADDR(buffer) (buffer + 0x6a)
#define QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(buffer) \
(PDU_ENCAPSULATION(buffer) + 0x1a)
extern unsigned char DM_ACT[];
#define DM_ACT_SIZE 0x55
#define QETH_DM_ACT_DEST_ADDR(buffer) (buffer + 0x2c)
#define QETH_DM_ACT_CONNECTION_TOKEN(buffer) (buffer + 0x51)
#define QETH_TRANSPORT_HEADER_SEQ_NO(buffer) (buffer + 4)
#define QETH_PDU_HEADER_SEQ_NO(buffer) (buffer + 0x1c)
#define QETH_PDU_HEADER_ACK_SEQ_NO(buffer) (buffer + 0x20)
extern unsigned char IDX_ACTIVATE_READ[];
extern unsigned char IDX_ACTIVATE_WRITE[];
#define IDX_ACTIVATE_SIZE 0x22
#define QETH_IDX_ACT_PNO(buffer) (buffer+0x0b)
#define QETH_IDX_ACT_ISSUER_RM_TOKEN(buffer) (buffer + 0x0c)
#define QETH_IDX_NO_PORTNAME_REQUIRED(buffer) ((buffer)[0x0b] & 0x80)
#define QETH_IDX_ACT_FUNC_LEVEL(buffer) (buffer + 0x10)
#define QETH_IDX_ACT_DATASET_NAME(buffer) (buffer + 0x16)
#define QETH_IDX_ACT_QDIO_DEV_CUA(buffer) (buffer + 0x1e)
#define QETH_IDX_ACT_QDIO_DEV_REALADDR(buffer) (buffer + 0x20)
#define QETH_IS_IDX_ACT_POS_REPLY(buffer) (((buffer)[0x08] & 3) == 2)
#define QETH_IDX_REPLY_LEVEL(buffer) (buffer + 0x12)
#define QETH_IDX_ACT_CAUSE_CODE(buffer) (buffer)[0x09]
#define PDU_ENCAPSULATION(buffer) \
(buffer + *(buffer + (*(buffer + 0x0b)) + \
*(buffer + *(buffer + 0x0b) + 0x11) + 0x07))
#define IS_IPA(buffer) \
((buffer) && \
(*(buffer + ((*(buffer + 0x0b)) + 4)) == 0xc1))
#define ADDR_FRAME_TYPE_DIX 1
#define ADDR_FRAME_TYPE_802_3 2
#define ADDR_FRAME_TYPE_TR_WITHOUT_SR 0x10
#define ADDR_FRAME_TYPE_TR_WITH_SR 0x20
#endif

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/*
* drivers/s390/net/qeth_core_offl.c
*
* Copyright IBM Corp. 2007
* Author(s): Thomas Spatzier <tspat@de.ibm.com>,
* Frank Blaschka <frank.blaschka@de.ibm.com>
*/
#include <linux/errno.h>
#include <linux/ip.h>
#include <linux/inetdevice.h>
#include <linux/netdevice.h>
#include <linux/kernel.h>
#include <linux/tcp.h>
#include <net/tcp.h>
#include <linux/skbuff.h>
#include <net/ip.h>
#include <net/ip6_checksum.h>
#include "qeth_core.h"
#include "qeth_core_mpc.h"
#include "qeth_core_offl.h"
int qeth_eddp_check_buffers_for_context(struct qeth_qdio_out_q *queue,
struct qeth_eddp_context *ctx)
{
int index = queue->next_buf_to_fill;
int elements_needed = ctx->num_elements;
int elements_in_buffer;
int skbs_in_buffer;
int buffers_needed = 0;
QETH_DBF_TEXT(trace, 5, "eddpcbfc");
while (elements_needed > 0) {
buffers_needed++;
if (atomic_read(&queue->bufs[index].state) !=
QETH_QDIO_BUF_EMPTY)
return -EBUSY;
elements_in_buffer = QETH_MAX_BUFFER_ELEMENTS(queue->card) -
queue->bufs[index].next_element_to_fill;
skbs_in_buffer = elements_in_buffer / ctx->elements_per_skb;
elements_needed -= skbs_in_buffer * ctx->elements_per_skb;
index = (index + 1) % QDIO_MAX_BUFFERS_PER_Q;
}
return buffers_needed;
}
static void qeth_eddp_free_context(struct qeth_eddp_context *ctx)
{
int i;
QETH_DBF_TEXT(trace, 5, "eddpfctx");
for (i = 0; i < ctx->num_pages; ++i)
free_page((unsigned long)ctx->pages[i]);
kfree(ctx->pages);
kfree(ctx->elements);
kfree(ctx);
}
static void qeth_eddp_get_context(struct qeth_eddp_context *ctx)
{
atomic_inc(&ctx->refcnt);
}
void qeth_eddp_put_context(struct qeth_eddp_context *ctx)
{
if (atomic_dec_return(&ctx->refcnt) == 0)
qeth_eddp_free_context(ctx);
}
EXPORT_SYMBOL_GPL(qeth_eddp_put_context);
void qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *buf)
{
struct qeth_eddp_context_reference *ref;
QETH_DBF_TEXT(trace, 6, "eddprctx");
while (!list_empty(&buf->ctx_list)) {
ref = list_entry(buf->ctx_list.next,
struct qeth_eddp_context_reference, list);
qeth_eddp_put_context(ref->ctx);
list_del(&ref->list);
kfree(ref);
}
}
static int qeth_eddp_buf_ref_context(struct qeth_qdio_out_buffer *buf,
struct qeth_eddp_context *ctx)
{
struct qeth_eddp_context_reference *ref;
QETH_DBF_TEXT(trace, 6, "eddprfcx");
ref = kmalloc(sizeof(struct qeth_eddp_context_reference), GFP_ATOMIC);
if (ref == NULL)
return -ENOMEM;
qeth_eddp_get_context(ctx);
ref->ctx = ctx;
list_add_tail(&ref->list, &buf->ctx_list);
return 0;
}
int qeth_eddp_fill_buffer(struct qeth_qdio_out_q *queue,
struct qeth_eddp_context *ctx, int index)
{
struct qeth_qdio_out_buffer *buf = NULL;
struct qdio_buffer *buffer;
int elements = ctx->num_elements;
int element = 0;
int flush_cnt = 0;
int must_refcnt = 1;
int i;
QETH_DBF_TEXT(trace, 5, "eddpfibu");
while (elements > 0) {
buf = &queue->bufs[index];
if (atomic_read(&buf->state) != QETH_QDIO_BUF_EMPTY) {
/* normally this should not happen since we checked for
* available elements in qeth_check_elements_for_context
*/
if (element == 0)
return -EBUSY;
else {
PRINT_WARN("could only partially fill eddp "
"buffer!\n");
goto out;
}
}
/* check if the whole next skb fits into current buffer */
if ((QETH_MAX_BUFFER_ELEMENTS(queue->card) -
buf->next_element_to_fill)
< ctx->elements_per_skb){
/* no -> go to next buffer */
atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
index = (index + 1) % QDIO_MAX_BUFFERS_PER_Q;
flush_cnt++;
/* new buffer, so we have to add ctx to buffer'ctx_list
* and increment ctx's refcnt */
must_refcnt = 1;
continue;
}
if (must_refcnt) {
must_refcnt = 0;
if (qeth_eddp_buf_ref_context(buf, ctx)) {
PRINT_WARN("no memory to create eddp context "
"reference\n");
goto out_check;
}
}
buffer = buf->buffer;
/* fill one skb into buffer */
for (i = 0; i < ctx->elements_per_skb; ++i) {
if (ctx->elements[element].length != 0) {
buffer->element[buf->next_element_to_fill].
addr = ctx->elements[element].addr;
buffer->element[buf->next_element_to_fill].
length = ctx->elements[element].length;
buffer->element[buf->next_element_to_fill].
flags = ctx->elements[element].flags;
buf->next_element_to_fill++;
}
element++;
elements--;
}
}
out_check:
if (!queue->do_pack) {
QETH_DBF_TEXT(trace, 6, "fillbfnp");
/* set state to PRIMED -> will be flushed */
if (buf->next_element_to_fill > 0) {
atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
flush_cnt++;
}
} else {
if (queue->card->options.performance_stats)
queue->card->perf_stats.skbs_sent_pack++;
QETH_DBF_TEXT(trace, 6, "fillbfpa");
if (buf->next_element_to_fill >=
QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
/*
* packed buffer if full -> set state PRIMED
* -> will be flushed
*/
atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
flush_cnt++;
}
}
out:
return flush_cnt;
}
static void qeth_eddp_create_segment_hdrs(struct qeth_eddp_context *ctx,
struct qeth_eddp_data *eddp, int data_len)
{
u8 *page;
int page_remainder;
int page_offset;
int pkt_len;
struct qeth_eddp_element *element;
QETH_DBF_TEXT(trace, 5, "eddpcrsh");
page = ctx->pages[ctx->offset >> PAGE_SHIFT];
page_offset = ctx->offset % PAGE_SIZE;
element = &ctx->elements[ctx->num_elements];
pkt_len = eddp->nhl + eddp->thl + data_len;
/* FIXME: layer2 and VLAN !!! */
if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
pkt_len += ETH_HLEN;
if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q))
pkt_len += VLAN_HLEN;
/* does complete packet fit in current page ? */
page_remainder = PAGE_SIZE - page_offset;
if (page_remainder < (sizeof(struct qeth_hdr) + pkt_len)) {
/* no -> go to start of next page */
ctx->offset += page_remainder;
page = ctx->pages[ctx->offset >> PAGE_SHIFT];
page_offset = 0;
}
memcpy(page + page_offset, &eddp->qh, sizeof(struct qeth_hdr));
element->addr = page + page_offset;
element->length = sizeof(struct qeth_hdr);
ctx->offset += sizeof(struct qeth_hdr);
page_offset += sizeof(struct qeth_hdr);
/* add mac header (?) */
if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) {
memcpy(page + page_offset, &eddp->mac, ETH_HLEN);
element->length += ETH_HLEN;
ctx->offset += ETH_HLEN;
page_offset += ETH_HLEN;
}
/* add VLAN tag */
if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) {
memcpy(page + page_offset, &eddp->vlan, VLAN_HLEN);
element->length += VLAN_HLEN;
ctx->offset += VLAN_HLEN;
page_offset += VLAN_HLEN;
}
/* add network header */
memcpy(page + page_offset, (u8 *)&eddp->nh, eddp->nhl);
element->length += eddp->nhl;
eddp->nh_in_ctx = page + page_offset;
ctx->offset += eddp->nhl;
page_offset += eddp->nhl;
/* add transport header */
memcpy(page + page_offset, (u8 *)&eddp->th, eddp->thl);
element->length += eddp->thl;
eddp->th_in_ctx = page + page_offset;
ctx->offset += eddp->thl;
}
static void qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp,
int len, __wsum *hcsum)
{
struct skb_frag_struct *frag;
int left_in_frag;
int copy_len;
u8 *src;
QETH_DBF_TEXT(trace, 5, "eddpcdtc");
if (skb_shinfo(eddp->skb)->nr_frags == 0) {
skb_copy_from_linear_data_offset(eddp->skb, eddp->skb_offset,
dst, len);
*hcsum = csum_partial(eddp->skb->data + eddp->skb_offset, len,
*hcsum);
eddp->skb_offset += len;
} else {
while (len > 0) {
if (eddp->frag < 0) {
/* we're in skb->data */
left_in_frag = (eddp->skb->len -
eddp->skb->data_len)
- eddp->skb_offset;
src = eddp->skb->data + eddp->skb_offset;
} else {
frag = &skb_shinfo(eddp->skb)->frags[
eddp->frag];
left_in_frag = frag->size - eddp->frag_offset;
src = (u8 *)((page_to_pfn(frag->page) <<
PAGE_SHIFT) + frag->page_offset +
eddp->frag_offset);
}
if (left_in_frag <= 0) {
eddp->frag++;
eddp->frag_offset = 0;
continue;
}
copy_len = min(left_in_frag, len);
memcpy(dst, src, copy_len);
*hcsum = csum_partial(src, copy_len, *hcsum);
dst += copy_len;
eddp->frag_offset += copy_len;
eddp->skb_offset += copy_len;
len -= copy_len;
}
}
}
static void qeth_eddp_create_segment_data_tcp(struct qeth_eddp_context *ctx,
struct qeth_eddp_data *eddp, int data_len, __wsum hcsum)
{
u8 *page;
int page_remainder;
int page_offset;
struct qeth_eddp_element *element;
int first_lap = 1;
QETH_DBF_TEXT(trace, 5, "eddpcsdt");
page = ctx->pages[ctx->offset >> PAGE_SHIFT];
page_offset = ctx->offset % PAGE_SIZE;
element = &ctx->elements[ctx->num_elements];
while (data_len) {
page_remainder = PAGE_SIZE - page_offset;
if (page_remainder < data_len) {
qeth_eddp_copy_data_tcp(page + page_offset, eddp,
page_remainder, &hcsum);
element->length += page_remainder;
if (first_lap)
element->flags = SBAL_FLAGS_FIRST_FRAG;
else
element->flags = SBAL_FLAGS_MIDDLE_FRAG;
ctx->num_elements++;
element++;
data_len -= page_remainder;
ctx->offset += page_remainder;
page = ctx->pages[ctx->offset >> PAGE_SHIFT];
page_offset = 0;
element->addr = page + page_offset;
} else {
qeth_eddp_copy_data_tcp(page + page_offset, eddp,
data_len, &hcsum);
element->length += data_len;
if (!first_lap)
element->flags = SBAL_FLAGS_LAST_FRAG;
ctx->num_elements++;
ctx->offset += data_len;
data_len = 0;
}
first_lap = 0;
}
((struct tcphdr *)eddp->th_in_ctx)->check = csum_fold(hcsum);
}
static __wsum qeth_eddp_check_tcp4_hdr(struct qeth_eddp_data *eddp,
int data_len)
{
__wsum phcsum; /* pseudo header checksum */
QETH_DBF_TEXT(trace, 5, "eddpckt4");
eddp->th.tcp.h.check = 0;
/* compute pseudo header checksum */
phcsum = csum_tcpudp_nofold(eddp->nh.ip4.h.saddr, eddp->nh.ip4.h.daddr,
eddp->thl + data_len, IPPROTO_TCP, 0);
/* compute checksum of tcp header */
return csum_partial((u8 *)&eddp->th, eddp->thl, phcsum);
}
static __wsum qeth_eddp_check_tcp6_hdr(struct qeth_eddp_data *eddp,
int data_len)
{
__be32 proto;
__wsum phcsum; /* pseudo header checksum */
QETH_DBF_TEXT(trace, 5, "eddpckt6");
eddp->th.tcp.h.check = 0;
/* compute pseudo header checksum */
phcsum = csum_partial((u8 *)&eddp->nh.ip6.h.saddr,
sizeof(struct in6_addr), 0);
phcsum = csum_partial((u8 *)&eddp->nh.ip6.h.daddr,
sizeof(struct in6_addr), phcsum);
proto = htonl(IPPROTO_TCP);
phcsum = csum_partial((u8 *)&proto, sizeof(u32), phcsum);
return phcsum;
}
static struct qeth_eddp_data *qeth_eddp_create_eddp_data(struct qeth_hdr *qh,
u8 *nh, u8 nhl, u8 *th, u8 thl)
{
struct qeth_eddp_data *eddp;
QETH_DBF_TEXT(trace, 5, "eddpcrda");
eddp = kzalloc(sizeof(struct qeth_eddp_data), GFP_ATOMIC);
if (eddp) {
eddp->nhl = nhl;
eddp->thl = thl;
memcpy(&eddp->qh, qh, sizeof(struct qeth_hdr));
memcpy(&eddp->nh, nh, nhl);
memcpy(&eddp->th, th, thl);
eddp->frag = -1; /* initially we're in skb->data */
}
return eddp;
}
static void __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
struct qeth_eddp_data *eddp)
{
struct tcphdr *tcph;
int data_len;
__wsum hcsum;
QETH_DBF_TEXT(trace, 5, "eddpftcp");
eddp->skb_offset = sizeof(struct qeth_hdr) + eddp->nhl + eddp->thl;
if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) {
eddp->skb_offset += sizeof(struct ethhdr);
if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q))
eddp->skb_offset += VLAN_HLEN;
}
tcph = tcp_hdr(eddp->skb);
while (eddp->skb_offset < eddp->skb->len) {
data_len = min((int)skb_shinfo(eddp->skb)->gso_size,
(int)(eddp->skb->len - eddp->skb_offset));
/* prepare qdio hdr */
if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) {
eddp->qh.hdr.l2.pkt_length = data_len + ETH_HLEN +
eddp->nhl + eddp->thl;
if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q))
eddp->qh.hdr.l2.pkt_length += VLAN_HLEN;
} else
eddp->qh.hdr.l3.length = data_len + eddp->nhl +
eddp->thl;
/* prepare ip hdr */
if (eddp->skb->protocol == htons(ETH_P_IP)) {
eddp->nh.ip4.h.tot_len = htons(data_len + eddp->nhl +
eddp->thl);
eddp->nh.ip4.h.check = 0;
eddp->nh.ip4.h.check =
ip_fast_csum((u8 *)&eddp->nh.ip4.h,
eddp->nh.ip4.h.ihl);
} else
eddp->nh.ip6.h.payload_len = htons(data_len +
eddp->thl);
/* prepare tcp hdr */
if (data_len == (eddp->skb->len - eddp->skb_offset)) {
/* last segment -> set FIN and PSH flags */
eddp->th.tcp.h.fin = tcph->fin;
eddp->th.tcp.h.psh = tcph->psh;
}
if (eddp->skb->protocol == htons(ETH_P_IP))
hcsum = qeth_eddp_check_tcp4_hdr(eddp, data_len);
else
hcsum = qeth_eddp_check_tcp6_hdr(eddp, data_len);
/* fill the next segment into the context */
qeth_eddp_create_segment_hdrs(ctx, eddp, data_len);
qeth_eddp_create_segment_data_tcp(ctx, eddp, data_len, hcsum);
if (eddp->skb_offset >= eddp->skb->len)
break;
/* prepare headers for next round */
if (eddp->skb->protocol == htons(ETH_P_IP))
eddp->nh.ip4.h.id = htons(ntohs(eddp->nh.ip4.h.id) + 1);
eddp->th.tcp.h.seq = htonl(ntohl(eddp->th.tcp.h.seq) +
data_len);
}
}
static int qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
struct sk_buff *skb, struct qeth_hdr *qhdr)
{
struct qeth_eddp_data *eddp = NULL;
QETH_DBF_TEXT(trace, 5, "eddpficx");
/* create our segmentation headers and copy original headers */
if (skb->protocol == htons(ETH_P_IP))
eddp = qeth_eddp_create_eddp_data(qhdr,
skb_network_header(skb),
ip_hdrlen(skb),
skb_transport_header(skb),
tcp_hdrlen(skb));
else
eddp = qeth_eddp_create_eddp_data(qhdr,
skb_network_header(skb),
sizeof(struct ipv6hdr),
skb_transport_header(skb),
tcp_hdrlen(skb));
if (eddp == NULL) {
QETH_DBF_TEXT(trace, 2, "eddpfcnm");
return -ENOMEM;
}
if (qhdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) {
skb_set_mac_header(skb, sizeof(struct qeth_hdr));
memcpy(&eddp->mac, eth_hdr(skb), ETH_HLEN);
if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) {
eddp->vlan[0] = skb->protocol;
eddp->vlan[1] = htons(vlan_tx_tag_get(skb));
}
}
/* the next flags will only be set on the last segment */
eddp->th.tcp.h.fin = 0;
eddp->th.tcp.h.psh = 0;
eddp->skb = skb;
/* begin segmentation and fill context */
__qeth_eddp_fill_context_tcp(ctx, eddp);
kfree(eddp);
return 0;
}
static void qeth_eddp_calc_num_pages(struct qeth_eddp_context *ctx,
struct sk_buff *skb, int hdr_len)
{
int skbs_per_page;
QETH_DBF_TEXT(trace, 5, "eddpcanp");
/* can we put multiple skbs in one page? */
skbs_per_page = PAGE_SIZE / (skb_shinfo(skb)->gso_size + hdr_len);
if (skbs_per_page > 1) {
ctx->num_pages = (skb_shinfo(skb)->gso_segs + 1) /
skbs_per_page + 1;
ctx->elements_per_skb = 1;
} else {
/* no -> how many elements per skb? */
ctx->elements_per_skb = (skb_shinfo(skb)->gso_size + hdr_len +
PAGE_SIZE) >> PAGE_SHIFT;
ctx->num_pages = ctx->elements_per_skb *
(skb_shinfo(skb)->gso_segs + 1);
}
ctx->num_elements = ctx->elements_per_skb *
(skb_shinfo(skb)->gso_segs + 1);
}
static struct qeth_eddp_context *qeth_eddp_create_context_generic(
struct qeth_card *card, struct sk_buff *skb, int hdr_len)
{
struct qeth_eddp_context *ctx = NULL;
u8 *addr;
int i;
QETH_DBF_TEXT(trace, 5, "creddpcg");
/* create the context and allocate pages */
ctx = kzalloc(sizeof(struct qeth_eddp_context), GFP_ATOMIC);
if (ctx == NULL) {
QETH_DBF_TEXT(trace, 2, "ceddpcn1");
return NULL;
}
ctx->type = QETH_LARGE_SEND_EDDP;
qeth_eddp_calc_num_pages(ctx, skb, hdr_len);
if (ctx->elements_per_skb > QETH_MAX_BUFFER_ELEMENTS(card)) {
QETH_DBF_TEXT(trace, 2, "ceddpcis");
kfree(ctx);
return NULL;
}
ctx->pages = kcalloc(ctx->num_pages, sizeof(u8 *), GFP_ATOMIC);
if (ctx->pages == NULL) {
QETH_DBF_TEXT(trace, 2, "ceddpcn2");
kfree(ctx);
return NULL;
}
for (i = 0; i < ctx->num_pages; ++i) {
addr = (u8 *)get_zeroed_page(GFP_ATOMIC);
if (addr == NULL) {
QETH_DBF_TEXT(trace, 2, "ceddpcn3");
ctx->num_pages = i;
qeth_eddp_free_context(ctx);
return NULL;
}
ctx->pages[i] = addr;
}
ctx->elements = kcalloc(ctx->num_elements,
sizeof(struct qeth_eddp_element), GFP_ATOMIC);
if (ctx->elements == NULL) {
QETH_DBF_TEXT(trace, 2, "ceddpcn4");
qeth_eddp_free_context(ctx);
return NULL;
}
/* reset num_elements; will be incremented again in fill_buffer to
* reflect number of actually used elements */
ctx->num_elements = 0;
return ctx;
}
static struct qeth_eddp_context *qeth_eddp_create_context_tcp(
struct qeth_card *card, struct sk_buff *skb,
struct qeth_hdr *qhdr)
{
struct qeth_eddp_context *ctx = NULL;
QETH_DBF_TEXT(trace, 5, "creddpct");
if (skb->protocol == htons(ETH_P_IP))
ctx = qeth_eddp_create_context_generic(card, skb,
(sizeof(struct qeth_hdr) +
ip_hdrlen(skb) +
tcp_hdrlen(skb)));
else if (skb->protocol == htons(ETH_P_IPV6))
ctx = qeth_eddp_create_context_generic(card, skb,
sizeof(struct qeth_hdr) + sizeof(struct ipv6hdr) +
tcp_hdrlen(skb));
else
QETH_DBF_TEXT(trace, 2, "cetcpinv");
if (ctx == NULL) {
QETH_DBF_TEXT(trace, 2, "creddpnl");
return NULL;
}
if (qeth_eddp_fill_context_tcp(ctx, skb, qhdr)) {
QETH_DBF_TEXT(trace, 2, "ceddptfe");
qeth_eddp_free_context(ctx);
return NULL;
}
atomic_set(&ctx->refcnt, 1);
return ctx;
}
struct qeth_eddp_context *qeth_eddp_create_context(struct qeth_card *card,
struct sk_buff *skb, struct qeth_hdr *qhdr,
unsigned char sk_protocol)
{
QETH_DBF_TEXT(trace, 5, "creddpc");
switch (sk_protocol) {
case IPPROTO_TCP:
return qeth_eddp_create_context_tcp(card, skb, qhdr);
default:
QETH_DBF_TEXT(trace, 2, "eddpinvp");
}
return NULL;
}
EXPORT_SYMBOL_GPL(qeth_eddp_create_context);
void qeth_tso_fill_header(struct qeth_card *card, struct qeth_hdr *qhdr,
struct sk_buff *skb)
{
struct qeth_hdr_tso *hdr = (struct qeth_hdr_tso *)qhdr;
struct tcphdr *tcph = tcp_hdr(skb);
struct iphdr *iph = ip_hdr(skb);
struct ipv6hdr *ip6h = ipv6_hdr(skb);
QETH_DBF_TEXT(trace, 5, "tsofhdr");
/*fix header to TSO values ...*/
hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO;
/*set values which are fix for the first approach ...*/
hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso);
hdr->ext.imb_hdr_no = 1;
hdr->ext.hdr_type = 1;
hdr->ext.hdr_version = 1;
hdr->ext.hdr_len = 28;
/*insert non-fix values */
hdr->ext.mss = skb_shinfo(skb)->gso_size;
hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4);
hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len -
sizeof(struct qeth_hdr_tso));
tcph->check = 0;
if (skb->protocol == ETH_P_IPV6) {
ip6h->payload_len = 0;
tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
0, IPPROTO_TCP, 0);
} else {
/*OSA want us to set these values ...*/
tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
0, IPPROTO_TCP, 0);
iph->tot_len = 0;
iph->check = 0;
}
}
EXPORT_SYMBOL_GPL(qeth_tso_fill_header);
void qeth_tx_csum(struct sk_buff *skb)
{
int tlen;
if (skb->protocol == htons(ETH_P_IP)) {
tlen = ntohs(ip_hdr(skb)->tot_len) - (ip_hdr(skb)->ihl << 2);
switch (ip_hdr(skb)->protocol) {
case IPPROTO_TCP:
tcp_hdr(skb)->check = 0;
tcp_hdr(skb)->check = csum_tcpudp_magic(
ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
tlen, ip_hdr(skb)->protocol,
skb_checksum(skb, skb_transport_offset(skb),
tlen, 0));
break;
case IPPROTO_UDP:
udp_hdr(skb)->check = 0;
udp_hdr(skb)->check = csum_tcpudp_magic(
ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
tlen, ip_hdr(skb)->protocol,
skb_checksum(skb, skb_transport_offset(skb),
tlen, 0));
break;
}
} else if (skb->protocol == htons(ETH_P_IPV6)) {
switch (ipv6_hdr(skb)->nexthdr) {
case IPPROTO_TCP:
tcp_hdr(skb)->check = 0;
tcp_hdr(skb)->check = csum_ipv6_magic(
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
ipv6_hdr(skb)->payload_len,
ipv6_hdr(skb)->nexthdr,
skb_checksum(skb, skb_transport_offset(skb),
ipv6_hdr(skb)->payload_len, 0));
break;
case IPPROTO_UDP:
udp_hdr(skb)->check = 0;
udp_hdr(skb)->check = csum_ipv6_magic(
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
ipv6_hdr(skb)->payload_len,
ipv6_hdr(skb)->nexthdr,
skb_checksum(skb, skb_transport_offset(skb),
ipv6_hdr(skb)->payload_len, 0));
break;
}
}
}
EXPORT_SYMBOL_GPL(qeth_tx_csum);

76
drivers/s390/net/qeth_core_offl.h Normal file
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@ -0,0 +1,76 @@
/*
* drivers/s390/net/qeth_core_offl.h
*
* Copyright IBM Corp. 2007
* Author(s): Thomas Spatzier <tspat@de.ibm.com>,
* Frank Blaschka <frank.blaschka@de.ibm.com>
*/
#ifndef __QETH_CORE_OFFL_H__
#define __QETH_CORE_OFFL_H__
struct qeth_eddp_element {
u32 flags;
u32 length;
void *addr;
};
struct qeth_eddp_context {
atomic_t refcnt;
enum qeth_large_send_types type;
int num_pages; /* # of allocated pages */
u8 **pages; /* pointers to pages */
int offset; /* offset in ctx during creation */
int num_elements; /* # of required 'SBALEs' */
struct qeth_eddp_element *elements; /* array of 'SBALEs' */
int elements_per_skb; /* # of 'SBALEs' per skb **/
};
struct qeth_eddp_context_reference {
struct list_head list;
struct qeth_eddp_context *ctx;
};
struct qeth_eddp_data {
struct qeth_hdr qh;
struct ethhdr mac;
__be16 vlan[2];
union {
struct {
struct iphdr h;
u8 options[40];
} ip4;
struct {
struct ipv6hdr h;
} ip6;
} nh;
u8 nhl;
void *nh_in_ctx; /* address of nh within the ctx */
union {
struct {
struct tcphdr h;
u8 options[40];
} tcp;
} th;
u8 thl;
void *th_in_ctx; /* address of th within the ctx */
struct sk_buff *skb;
int skb_offset;
int frag;
int frag_offset;
} __attribute__ ((packed));
extern struct qeth_eddp_context *qeth_eddp_create_context(struct qeth_card *,
struct sk_buff *, struct qeth_hdr *, unsigned char);
extern void qeth_eddp_put_context(struct qeth_eddp_context *);
extern int qeth_eddp_fill_buffer(struct qeth_qdio_out_q *,
struct qeth_eddp_context *, int);
extern void qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *);
extern int qeth_eddp_check_buffers_for_context(struct qeth_qdio_out_q *,
struct qeth_eddp_context *);
void qeth_tso_fill_header(struct qeth_card *, struct qeth_hdr *,
struct sk_buff *);
void qeth_tx_csum(struct sk_buff *skb);
#endif /* __QETH_CORE_EDDP_H__ */

651
drivers/s390/net/qeth_core_sys.c Normal file
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@ -0,0 +1,651 @@
/*
* drivers/s390/net/qeth_core_sys.c
*
* Copyright IBM Corp. 2007
* Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
* Frank Pavlic <fpavlic@de.ibm.com>,
* Thomas Spatzier <tspat@de.ibm.com>,
* Frank Blaschka <frank.blaschka@de.ibm.com>
*/
#include <linux/list.h>
#include <linux/rwsem.h>
#include <asm/ebcdic.h>
#include "qeth_core.h"
static ssize_t qeth_dev_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
switch (card->state) {
case CARD_STATE_DOWN:
return sprintf(buf, "DOWN\n");
case CARD_STATE_HARDSETUP:
return sprintf(buf, "HARDSETUP\n");
case CARD_STATE_SOFTSETUP:
return sprintf(buf, "SOFTSETUP\n");
case CARD_STATE_UP:
if (card->lan_online)
return sprintf(buf, "UP (LAN ONLINE)\n");
else
return sprintf(buf, "UP (LAN OFFLINE)\n");
case CARD_STATE_RECOVER:
return sprintf(buf, "RECOVER\n");
default:
return sprintf(buf, "UNKNOWN\n");
}
}
static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
static ssize_t qeth_dev_chpid_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
return sprintf(buf, "%02X\n", card->info.chpid);
}
static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
static ssize_t qeth_dev_if_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
}
static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
static ssize_t qeth_dev_card_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
}
static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
static inline const char *qeth_get_bufsize_str(struct qeth_card *card)
{
if (card->qdio.in_buf_size == 16384)
return "16k";
else if (card->qdio.in_buf_size == 24576)
return "24k";
else if (card->qdio.in_buf_size == 32768)
return "32k";
else if (card->qdio.in_buf_size == 40960)
return "40k";
else
return "64k";
}
static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
}
static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
static ssize_t qeth_dev_portno_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
return sprintf(buf, "%i\n", card->info.portno);
}
static ssize_t qeth_dev_portno_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
unsigned int portno;
if (!card)
return -EINVAL;
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
portno = simple_strtoul(buf, &tmp, 16);
if (portno > QETH_MAX_PORTNO) {
PRINT_WARN("portno 0x%X is out of range\n", portno);
return -EINVAL;
}
card->info.portno = portno;
return count;
}
static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
static ssize_t qeth_dev_portname_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
char portname[9] = {0, };
if (!card)
return -EINVAL;
if (card->info.portname_required) {
memcpy(portname, card->info.portname + 1, 8);
EBCASC(portname, 8);
return sprintf(buf, "%s\n", portname);
} else
return sprintf(buf, "no portname required\n");
}
static ssize_t qeth_dev_portname_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i;
if (!card)
return -EINVAL;
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
tmp = strsep((char **) &buf, "\n");
if ((strlen(tmp) > 8) || (strlen(tmp) == 0))
return -EINVAL;
card->info.portname[0] = strlen(tmp);
/* for beauty reasons */
for (i = 1; i < 9; i++)
card->info.portname[i] = ' ';
strcpy(card->info.portname + 1, tmp);
ASCEBC(card->info.portname + 1, 8);
return count;
}
static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
qeth_dev_portname_store);
static ssize_t qeth_dev_prioqing_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
switch (card->qdio.do_prio_queueing) {
case QETH_PRIO_Q_ING_PREC:
return sprintf(buf, "%s\n", "by precedence");
case QETH_PRIO_Q_ING_TOS:
return sprintf(buf, "%s\n", "by type of service");
default:
return sprintf(buf, "always queue %i\n",
card->qdio.default_out_queue);
}
}
static ssize_t qeth_dev_prioqing_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
if (!card)
return -EINVAL;
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
/* check if 1920 devices are supported ,
* if though we have to permit priority queueing
*/
if (card->qdio.no_out_queues == 1) {
PRINT_WARN("Priority queueing disabled due "
"to hardware limitations!\n");
card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
return -EPERM;
}
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "prio_queueing_prec"))
card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
else if (!strcmp(tmp, "prio_queueing_tos"))
card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
else if (!strcmp(tmp, "no_prio_queueing:0")) {
card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
card->qdio.default_out_queue = 0;
} else if (!strcmp(tmp, "no_prio_queueing:1")) {
card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
card->qdio.default_out_queue = 1;
} else if (!strcmp(tmp, "no_prio_queueing:2")) {
card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
card->qdio.default_out_queue = 2;
} else if (!strcmp(tmp, "no_prio_queueing:3")) {
card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
card->qdio.default_out_queue = 3;
} else if (!strcmp(tmp, "no_prio_queueing")) {
card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
} else {
PRINT_WARN("Unknown queueing type '%s'\n", tmp);
return -EINVAL;
}
return count;
}
static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
qeth_dev_prioqing_store);
static ssize_t qeth_dev_bufcnt_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
}
static ssize_t qeth_dev_bufcnt_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int cnt, old_cnt;
int rc;
if (!card)
return -EINVAL;
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
old_cnt = card->qdio.in_buf_pool.buf_count;
cnt = simple_strtoul(buf, &tmp, 10);
cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
if (old_cnt != cnt) {
rc = qeth_realloc_buffer_pool(card, cnt);
if (rc)
PRINT_WARN("Error (%d) while setting "
"buffer count.\n", rc);
}
return count;
}
static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
qeth_dev_bufcnt_store);
static ssize_t qeth_dev_recover_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i;
if (!card)
return -EINVAL;
if (card->state != CARD_STATE_UP)
return -EPERM;
i = simple_strtoul(buf, &tmp, 16);
if (i == 1)
qeth_schedule_recovery(card);
return count;
}
static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
static ssize_t qeth_dev_performance_stats_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
}
static ssize_t qeth_dev_performance_stats_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i;
if (!card)
return -EINVAL;
i = simple_strtoul(buf, &tmp, 16);
if ((i == 0) || (i == 1)) {
if (i == card->options.performance_stats)
return count;
card->options.performance_stats = i;
if (i == 0)
memset(&card->perf_stats, 0,
sizeof(struct qeth_perf_stats));
card->perf_stats.initial_rx_packets = card->stats.rx_packets;
card->perf_stats.initial_tx_packets = card->stats.tx_packets;
} else {
PRINT_WARN("performance_stats: write 0 or 1 to this file!\n");
return -EINVAL;
}
return count;
}
static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
qeth_dev_performance_stats_store);
static ssize_t qeth_dev_layer2_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
}
static ssize_t qeth_dev_layer2_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i, rc;
enum qeth_discipline_id newdis;
if (!card)
return -EINVAL;
if (((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER)))
return -EPERM;
i = simple_strtoul(buf, &tmp, 16);
switch (i) {
case 0:
newdis = QETH_DISCIPLINE_LAYER3;
break;
case 1:
newdis = QETH_DISCIPLINE_LAYER2;
break;
default:
PRINT_WARN("layer2: write 0 or 1 to this file!\n");
return -EINVAL;
}
if (card->options.layer2 == newdis) {
return count;
} else {
if (card->discipline.ccwgdriver) {
card->discipline.ccwgdriver->remove(card->gdev);
qeth_core_free_discipline(card);
}
}
rc = qeth_core_load_discipline(card, newdis);
if (rc)
return rc;
rc = card->discipline.ccwgdriver->probe(card->gdev);
if (rc)
return rc;
return count;
}
static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
qeth_dev_layer2_store);
static ssize_t qeth_dev_large_send_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
if (!card)
return -EINVAL;
switch (card->options.large_send) {
case QETH_LARGE_SEND_NO:
return sprintf(buf, "%s\n", "no");
case QETH_LARGE_SEND_EDDP:
return sprintf(buf, "%s\n", "EDDP");
case QETH_LARGE_SEND_TSO:
return sprintf(buf, "%s\n", "TSO");
default:
return sprintf(buf, "%s\n", "N/A");
}
}
static ssize_t qeth_dev_large_send_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
enum qeth_large_send_types type;
int rc = 0;
char *tmp;
if (!card)
return -EINVAL;
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "no")) {
type = QETH_LARGE_SEND_NO;
} else if (!strcmp(tmp, "EDDP")) {
type = QETH_LARGE_SEND_EDDP;
} else if (!strcmp(tmp, "TSO")) {
type = QETH_LARGE_SEND_TSO;
} else {
PRINT_WARN("large_send: invalid mode %s!\n", tmp);
return -EINVAL;
}
if (card->options.large_send == type)
return count;
rc = qeth_set_large_send(card, type);
if (rc)
return rc;
return count;
}
static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
qeth_dev_large_send_store);
static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
{
if (!card)
return -EINVAL;
return sprintf(buf, "%i\n", value);
}
static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
const char *buf, size_t count, int *value, int max_value)
{
char *tmp;
int i;
if (!card)
return -EINVAL;
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
i = simple_strtoul(buf, &tmp, 10);
if (i <= max_value) {
*value = i;
} else {
PRINT_WARN("blkt total time: write values between"
" 0 and %d to this file!\n", max_value);
return -EINVAL;
}
return count;
}
static ssize_t qeth_dev_blkt_total_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
}
static ssize_t qeth_dev_blkt_total_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
return qeth_dev_blkt_store(card, buf, count,
&card->info.blkt.time_total, 1000);
}
static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
qeth_dev_blkt_total_store);
static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
}
static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
return qeth_dev_blkt_store(card, buf, count,
&card->info.blkt.inter_packet, 100);
}
static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
qeth_dev_blkt_inter_store);
static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
return qeth_dev_blkt_show(buf, card,
card->info.blkt.inter_packet_jumbo);
}
static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
return qeth_dev_blkt_store(card, buf, count,
&card->info.blkt.inter_packet_jumbo, 100);
}
static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
qeth_dev_blkt_inter_jumbo_store);
static struct attribute *qeth_blkt_device_attrs[] = {
&dev_attr_total.attr,
&dev_attr_inter.attr,
&dev_attr_inter_jumbo.attr,
NULL,
};
static struct attribute_group qeth_device_blkt_group = {
.name = "blkt",
.attrs = qeth_blkt_device_attrs,
};
static struct attribute *qeth_device_attrs[] = {
&dev_attr_state.attr,
&dev_attr_chpid.attr,
&dev_attr_if_name.attr,
&dev_attr_card_type.attr,
&dev_attr_inbuf_size.attr,
&dev_attr_portno.attr,
&dev_attr_portname.attr,
&dev_attr_priority_queueing.attr,
&dev_attr_buffer_count.attr,
&dev_attr_recover.attr,
&dev_attr_performance_stats.attr,
&dev_attr_layer2.attr,
&dev_attr_large_send.attr,
NULL,
};
static struct attribute_group qeth_device_attr_group = {
.attrs = qeth_device_attrs,
};
static struct attribute *qeth_osn_device_attrs[] = {
&dev_attr_state.attr,
&dev_attr_chpid.attr,
&dev_attr_if_name.attr,
&dev_attr_card_type.attr,
&dev_attr_buffer_count.attr,
&dev_attr_recover.attr,
NULL,
};
static struct attribute_group qeth_osn_device_attr_group = {
.attrs = qeth_osn_device_attrs,
};
int qeth_core_create_device_attributes(struct device *dev)
{
int ret;
ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group);
if (ret)
return ret;
ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group);
if (ret)
sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
return 0;
}
void qeth_core_remove_device_attributes(struct device *dev)
{
sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
}
int qeth_core_create_osn_attributes(struct device *dev)
{
return sysfs_create_group(&dev->kobj, &qeth_osn_device_attr_group);
}
void qeth_core_remove_osn_attributes(struct device *dev)
{
sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group);
return;
}

1242
drivers/s390/net/qeth_l2_main.c Normal file
View file

File diff suppressed because it is too large Load diff

76
drivers/s390/net/qeth_l3.h Normal file
View file

@ -0,0 +1,76 @@
/*
* drivers/s390/net/qeth_l3.h
*
* Copyright IBM Corp. 2007
* Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
* Frank Pavlic <fpavlic@de.ibm.com>,
* Thomas Spatzier <tspat@de.ibm.com>,
* Frank Blaschka <frank.blaschka@de.ibm.com>
*/
#ifndef __QETH_L3_H__
#define __QETH_L3_H__
#include "qeth_core.h"
#define QETH_DBF_TEXT_(name, level, text...) \
do { \
if (qeth_dbf_passes(qeth_dbf_##name, level)) { \
char *dbf_txt_buf = get_cpu_var(qeth_l3_dbf_txt_buf); \
sprintf(dbf_txt_buf, text); \
debug_text_event(qeth_dbf_##name, level, dbf_txt_buf); \
put_cpu_var(qeth_l3_dbf_txt_buf); \
} \
} while (0)
DECLARE_PER_CPU(char[256], qeth_l3_dbf_txt_buf);
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;
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;
};
void qeth_l3_ipaddr4_to_string(const __u8 *, char *);
int qeth_l3_string_to_ipaddr4(const char *, __u8 *);
void qeth_l3_ipaddr6_to_string(const __u8 *, char *);
int qeth_l3_string_to_ipaddr6(const char *, __u8 *);
void qeth_l3_ipaddr_to_string(enum qeth_prot_versions, const __u8 *, char *);
int qeth_l3_string_to_ipaddr(const char *, enum qeth_prot_versions, __u8 *);
int qeth_l3_create_device_attributes(struct device *);
void qeth_l3_remove_device_attributes(struct device *);
int qeth_l3_setrouting_v4(struct qeth_card *);
int qeth_l3_setrouting_v6(struct qeth_card *);
int qeth_l3_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
void qeth_l3_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions,
u8 *, int);
int qeth_l3_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
void qeth_l3_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
int qeth_l3_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions,
const u8 *);
#endif /* __QETH_L3_H__ */

3388
drivers/s390/net/qeth_l3_main.c Normal file
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1051
drivers/s390/net/qeth_l3_sys.c Normal file
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