litmus-rt.git - The LITMUS^RT kernel.

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author	Tejun Heo <htejun@gmail.com>	2006-05-15 07:58:17 -0400
committer	Tejun Heo <htejun@gmail.com>	2006-05-15 07:58:17 -0400
commit	9be1e979f2e1e57a091a658fa88dac266f9fd6fe (patch)
tree	781b216ce5a2b39c711ee32d285f4455feba7d34 /include/linux/ata.h
parent	246619da308c6910a3ae30e7e5fbf46139619efe (diff)

[PATCH] libata-eh: add ATA and libata flags for new EH

Add ATA and libata flags to be used by new EH. Signed-off-by: Tejun Heo <htejun@gmail.com>

Diffstat (limited to 'include/linux/ata.h')

-rw-r--r--

include/linux/ata.h

1 files changed, 13 insertions, 0 deletions


diff --git a/include/linux/ata.h b/include/linux/ata.h index 312a2c0c64e6..a7c41f3df8f4 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h
@@ -97,6 +97,9 @@ enum {
97	ATA_DRQ = (1 << 3), /* data request i/o */	97	ATA_DRQ = (1 << 3), /* data request i/o */
98	ATA_ERR = (1 << 0), /* have an error */	98	ATA_ERR = (1 << 0), /* have an error */
99	ATA_SRST = (1 << 2), /* software reset */	99	ATA_SRST = (1 << 2), /* software reset */
		100	ATA_ICRC = (1 << 7), /* interface CRC error */
		101	ATA_UNC = (1 << 6), /* uncorrectable media error */
		102	ATA_IDNF = (1 << 4), /* ID not found */
100	ATA_ABORTED = (1 << 2), /* command aborted */	103	ATA_ABORTED = (1 << 2), /* command aborted */
101		104
102	/* ATA command block registers */	105	/* ATA command block registers */
@@ -192,6 +195,16 @@ enum {
192	SCR_ACTIVE = 3,	195	SCR_ACTIVE = 3,
193	SCR_NOTIFICATION = 4,	196	SCR_NOTIFICATION = 4,
194		197
		198	/* SError bits */
		199	SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */
		200	SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */
		201	SERR_DATA = (1 << 8), /* unrecovered data error */
		202	SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */
		203	SERR_PROTOCOL = (1 << 10), /* protocol violation */
		204	SERR_INTERNAL = (1 << 11), /* host internal error */
		205	SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */
		206	SERR_DEV_XCHG = (1 << 26), /* device exchanged */
		207
195	/* struct ata_taskfile flags */	208	/* struct ata_taskfile flags */
196	ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */	209	ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */
197	ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */	210	ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */

/* * * linux/drivers/s390/net/qeth_main.c ($Revision: 1.224 $) * * Linux on zSeries OSA Express and HiperSockets support * * Copyright 2000,2003 IBM Corporation * * Author(s): Original Code written by * Utz Bacher (utz.bacher@de.ibm.com) * Rewritten by * Frank Pavlic (pavlic@de.ibm.com) and * Thomas Spatzier <tspat@de.ibm.com> * * $Revision: 1.224 $ $Date: 2005/05/04 20:19:18 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/config.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/string.h> #include <linux/errno.h> #include <linux/mm.h> #include <linux/ip.h> #include <linux/inetdevice.h> #include <linux/netdevice.h> #include <linux/sched.h> #include <linux/workqueue.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/tcp.h> #include <linux/icmp.h> #include <linux/skbuff.h> #include <linux/in.h> #include <linux/igmp.h> #include <linux/init.h> #include <linux/reboot.h> #include <linux/mii.h> #include <linux/rcupdate.h> #include <linux/ethtool.h> #include <net/arp.h> #include <net/ip.h> #include <net/route.h> #include <asm/ebcdic.h> #include <asm/io.h> #include <asm/qeth.h> #include <asm/timex.h> #include <asm/semaphore.h> #include <asm/uaccess.h> #include "qeth.h" #include "qeth_mpc.h" #include "qeth_fs.h" #include "qeth_eddp.h" #include "qeth_tso.h" #define VERSION_QETH_C "$Revision: 1.224 $" static const char *version = "qeth S/390 OSA-Express driver"; /** * Debug Facility Stuff */ static debug_info_t *qeth_dbf_setup = NULL; static debug_info_t *qeth_dbf_data = NULL; static debug_info_t *qeth_dbf_misc = NULL; static debug_info_t *qeth_dbf_control = NULL; debug_info_t *qeth_dbf_trace = NULL; static debug_info_t *qeth_dbf_sense = NULL; static debug_info_t *qeth_dbf_qerr = NULL; DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf); /** * some more definitions and declarations */ static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY; /* list of our cards */ struct qeth_card_list_struct qeth_card_list; /*process list want to be notified*/ spinlock_t qeth_notify_lock; struct list_head qeth_notify_list; static void qeth_send_control_data_cb(struct qeth_channel *, struct qeth_cmd_buffer *); /** * here we go with function implementation */ static void qeth_init_qdio_info(struct qeth_card *card); static int qeth_init_qdio_queues(struct qeth_card *card); static int qeth_alloc_qdio_buffers(struct qeth_card *card); static void qeth_free_qdio_buffers(struct qeth_card *); static void qeth_clear_qdio_buffers(struct qeth_card *); static void qeth_clear_ip_list(struct qeth_card *, int, int); static void qeth_clear_ipacmd_list(struct qeth_card *); static int qeth_qdio_clear_card(struct qeth_card *, int); static void qeth_clear_working_pool_list(struct qeth_card *); static void qeth_clear_cmd_buffers(struct qeth_channel *); static int qeth_stop(struct net_device *); static void qeth_clear_ipato_list(struct qeth_card *); static int qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *); static void qeth_irq_tasklet(unsigned long); static int qeth_set_online(struct ccwgroup_device *); static int __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode); static struct qeth_ipaddr * qeth_get_addr_buffer(enum qeth_prot_versions); static void qeth_set_multicast_list(struct net_device *); static void qeth_notify_processes(void) { /*notify all registered processes */ struct qeth_notify_list_struct *n_entry; QETH_DBF_TEXT(trace,3,"procnoti"); spin_lock(&qeth_notify_lock); list_for_each_entry(n_entry, &qeth_notify_list, list) { send_sig(n_entry->signum, n_entry->task, 1); } spin_unlock(&qeth_notify_lock); } int qeth_notifier_unregister(struct task_struct *p) { struct qeth_notify_list_struct *n_entry, *tmp; QETH_DBF_TEXT(trace, 2, "notunreg"); spin_lock(&qeth_notify_lock); list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) { if (n_entry->task == p) { list_del(&n_entry->list); kfree(n_entry); goto out; } } out: spin_unlock(&qeth_notify_lock); return 0; } int qeth_notifier_register(struct task_struct *p, int signum) { struct qeth_notify_list_struct *n_entry; /*check first if entry already exists*/ spin_lock(&qeth_notify_lock); list_for_each_entry(n_entry, &qeth_notify_list, list) { if (n_entry->task == p) { n_entry->signum = signum; spin_unlock(&qeth_notify_lock); return 0; } } spin_unlock(&qeth_notify_lock); n_entry = (struct qeth_notify_list_struct *) kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL); if (!n_entry) return -ENOMEM; n_entry->task = p; n_entry->signum = signum; spin_lock(&qeth_notify_lock); list_add(&n_entry->list,&qeth_notify_list); spin_unlock(&qeth_notify_lock); return 0; } /** * free channel command buffers */ static void qeth_clean_channel(struct qeth_channel *channel) { int cnt; QETH_DBF_TEXT(setup, 2, "freech"); for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) kfree(channel->iob[cnt].data); } /** * free card */ static void qeth_free_card(struct qeth_card *card) { QETH_DBF_TEXT(setup, 2, "freecrd"); QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); qeth_clean_channel(&card->read); qeth_clean_channel(&card->write); if (card->dev) free_netdev(card->dev); qeth_clear_ip_list(card, 0, 0); qeth_clear_ipato_list(card); kfree(card->ip_tbd_list); qeth_free_qdio_buffers(card); kfree(card); } /** * alloc memory for command buffer per channel */ static int qeth_setup_channel(struct qeth_channel *channel) { int cnt; QETH_DBF_TEXT(setup, 2, "setupch"); for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) { channel->iob[cnt].data = (char *) kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL); if (channel->iob[cnt].data == NULL) break; channel->iob[cnt].state = BUF_STATE_FREE; channel->iob[cnt].channel = channel; channel->iob[cnt].callback = qeth_send_control_data_cb; channel->iob[cnt].rc = 0; } if (cnt < QETH_CMD_BUFFER_NO) { while (cnt-- > 0) kfree(channel->iob[cnt].data); return -ENOMEM; } channel->buf_no = 0; channel->io_buf_no = 0; atomic_set(&channel->irq_pending, 0); spin_lock_init(&channel->iob_lock); init_waitqueue_head(&channel->wait_q); channel->irq_tasklet.data = (unsigned long) channel; channel->irq_tasklet.func = qeth_irq_tasklet; return 0; } /** * alloc memory for card structure */ static struct qeth_card * qeth_alloc_card(void) { struct qeth_card *card; QETH_DBF_TEXT(setup, 2, "alloccrd"); card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL); if (!card) return NULL; QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); memset(card, 0, sizeof(struct qeth_card)); if (qeth_setup_channel(&card->read)) { kfree(card); return NULL; } if (qeth_setup_channel(&card->write)) { qeth_clean_channel(&card->read); kfree(card); return NULL; } return card; } static long __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb) { if (!IS_ERR(irb)) return 0; switch (PTR_ERR(irb)) { case -EIO: PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id); QETH_DBF_TEXT(trace, 2, "ckirberr"); QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO); break; case -ETIMEDOUT: PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id); QETH_DBF_TEXT(trace, 2, "ckirberr"); QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT); break; default: PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb), cdev->dev.bus_id); QETH_DBF_TEXT(trace, 2, "ckirberr"); QETH_DBF_TEXT(trace, 2, " rc???"); } return PTR_ERR(irb); } static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb) { int dstat,cstat; char *sense; sense = (char *) irb->ecw; cstat = irb->scsw.cstat; dstat = irb->scsw.dstat; if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK | SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK | SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) { QETH_DBF_TEXT(trace,2, "CGENCHK"); PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ", cdev->dev.bus_id, dstat, cstat); HEXDUMP16(WARN, "irb: ", irb); HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32); return 1; } if (dstat & DEV_STAT_UNIT_CHECK) { if (sense[SENSE_RESETTING_EVENT_BYTE] & SENSE_RESETTING_EVENT_FLAG) { QETH_DBF_TEXT(trace,2,"REVIND"); return 1; } if (sense[SENSE_COMMAND_REJECT_BYTE] & SENSE_COMMAND_REJECT_FLAG) { QETH_DBF_TEXT(trace,2,"CMDREJi"); return 0; } if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) { QETH_DBF_TEXT(trace,2,"AFFE"); return 1; } if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) { QETH_DBF_TEXT(trace,2,"ZEROSEN"); return 0; } QETH_DBF_TEXT(trace,2,"DGENCHK"); return 1; } return 0; } static int qeth_issue_next_read(struct qeth_card *); /** * interrupt handler */ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) { int rc; int cstat,dstat; struct qeth_cmd_buffer *buffer; struct qeth_channel *channel; struct qeth_card *card; QETH_DBF_TEXT(trace,5,"irq"); if (__qeth_check_irb_error(cdev, irb)) return; cstat = irb->scsw.cstat; dstat = irb->scsw.dstat; card = CARD_FROM_CDEV(cdev); if (!card) return; if (card->read.ccwdev == cdev){ channel = &card->read; QETH_DBF_TEXT(trace,5,"read"); } else if (card->write.ccwdev == cdev) { channel = &card->write; QETH_DBF_TEXT(trace,5,"write"); } else { channel = &card->data; QETH_DBF_TEXT(trace,5,"data"); } atomic_set(&channel->irq_pending, 0); if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC)) channel->state = CH_STATE_STOPPED; if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC)) channel->state = CH_STATE_HALTED; /*let's wake up immediately on data channel*/ if ((channel == &card->data) && (intparm != 0)) goto out; if (intparm == QETH_CLEAR_CHANNEL_PARM) { QETH_DBF_TEXT(trace, 6, "clrchpar"); /* we don't have to handle this further */ intparm = 0; } if (intparm == QETH_HALT_CHANNEL_PARM) { QETH_DBF_TEXT(trace, 6, "hltchpar"); /* we don't have to handle this further */ intparm = 0; } if ((dstat & DEV_STAT_UNIT_EXCEP) || (dstat & DEV_STAT_UNIT_CHECK) || (cstat)) { if (irb->esw.esw0.erw.cons) { /* TODO: we should make this s390dbf */ PRINT_WARN("sense data available on channel %s.\n", CHANNEL_ID(channel)); PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat); HEXDUMP16(WARN,"irb: ",irb); HEXDUMP16(WARN,"sense data: ",irb->ecw); } rc = qeth_get_problem(cdev,irb); if (rc) { qeth_schedule_recovery(card); goto out; } } if (intparm) { buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm); buffer->state = BUF_STATE_PROCESSED; } if (channel == &card->data) return; if (channel == &card->read && channel->state == CH_STATE_UP) qeth_issue_next_read(card); tasklet_schedule(&channel->irq_tasklet); return; out: wake_up(&card->wait_q); } /** * tasklet function scheduled from irq handler */ static void qeth_irq_tasklet(unsigned long data) { struct qeth_card *card; struct qeth_channel *channel; struct qeth_cmd_buffer *iob; __u8 index; QETH_DBF_TEXT(trace,5,"irqtlet"); channel = (struct qeth_channel *) data; iob = channel->iob; index = channel->buf_no; card = CARD_FROM_CDEV(channel->ccwdev); while (iob[index].state == BUF_STATE_PROCESSED) { if (iob[index].callback !=NULL) { iob[index].callback(channel,iob + index); } index = (index + 1) % QETH_CMD_BUFFER_NO; } channel->buf_no = index; wake_up(&card->wait_q); } static int qeth_stop_card(struct qeth_card *, int); static int __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode) { struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; int rc = 0, rc2 = 0, rc3 = 0; enum qeth_card_states recover_flag; QETH_DBF_TEXT(setup, 3, "setoffl"); QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); recover_flag = card->state; if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){ PRINT_WARN("Stopping card %s interrupted by user!\n", CARD_BUS_ID(card)); return -ERESTARTSYS; } rc = ccw_device_set_offline(CARD_DDEV(card)); rc2 = ccw_device_set_offline(CARD_WDEV(card)); rc3 = ccw_device_set_offline(CARD_RDEV(card)); if (!rc) rc = (rc2) ? rc2 : rc3; if (rc) QETH_DBF_TEXT_(setup, 2, "1err%d", rc); if (recover_flag == CARD_STATE_UP) card->state = CARD_STATE_RECOVER; qeth_notify_processes(); return 0; } static int qeth_set_offline(struct ccwgroup_device *cgdev) { return __qeth_set_offline(cgdev, 0); } static int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads); static void qeth_remove_device(struct ccwgroup_device *cgdev) { struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; unsigned long flags; QETH_DBF_TEXT(setup, 3, "rmdev"); QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); if (!card) return; if (qeth_wait_for_threads(card, 0xffffffff)) return; if (cgdev->state == CCWGROUP_ONLINE){ card->use_hard_stop = 1; qeth_set_offline(cgdev); } /* remove form our internal list */ write_lock_irqsave(&qeth_card_list.rwlock, flags); list_del(&card->list); write_unlock_irqrestore(&qeth_card_list.rwlock, flags); if (card->dev) unregister_netdev(card->dev); qeth_remove_device_attributes(&cgdev->dev); qeth_free_card(card); cgdev->dev.driver_data = NULL; put_device(&cgdev->dev); } static int qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *); static int qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *); /** * Add/remove address to/from card's ip list, i.e. try to add or remove * reference to/from an IP address that is already registered on the card. * Returns: * 0 address was on card and its reference count has been adjusted, * but is still > 0, so nothing has to be done * also returns 0 if card was not on card and the todo was to delete * the address -> there is also nothing to be done * 1 address was not on card and the todo is to add it to the card's ip * list * -1 address was on card and its reference count has been decremented * to <= 0 by the todo -> address must be removed from card */ static int __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo, struct qeth_ipaddr **__addr) { struct qeth_ipaddr *addr; int found = 0; list_for_each_entry(addr, &card->ip_list, entry) { if ((addr->proto == QETH_PROT_IPV4) && (todo->proto == QETH_PROT_IPV4) && (addr->type == todo->type) && (addr->u.a4.addr == todo->u.a4.addr) && (addr->u.a4.mask == todo->u.a4.mask) ){ found = 1; break; } if ((addr->proto == QETH_PROT_IPV6) && (todo->proto == QETH_PROT_IPV6) && (addr->type == todo->type) && (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, sizeof(struct in6_addr)) == 0)) { found = 1; break; } } if (found){ addr->users += todo->users; if (addr->users <= 0){ *__addr = addr; return -1; } else { /* for VIPA and RXIP limit refcount to 1 */ if (addr->type != QETH_IP_TYPE_NORMAL) addr->users = 1; return 0; } } if (todo->users > 0){ /* for VIPA and RXIP limit refcount to 1 */ if (todo->type != QETH_IP_TYPE_NORMAL) todo->users = 1; return 1; } else return 0; } static inline int __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr, int same_type) { struct qeth_ipaddr *tmp; list_for_each_entry(tmp, list, entry) { if ((tmp->proto == QETH_PROT_IPV4) && (addr->proto == QETH_PROT_IPV4) && ((same_type && (tmp->type == addr->type)) || (!same_type && (tmp->type != addr->type)) ) && (tmp->u.a4.addr == addr->u.a4.addr) ){ return 1; } if ((tmp->proto == QETH_PROT_IPV6) && (addr->proto == QETH_PROT_IPV6) && ((same_type && (tmp->type == addr->type)) || (!same_type && (tmp->type != addr->type)) ) && (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, sizeof(struct in6_addr)) == 0) ) { return 1; } } return 0; } /* * Add IP to be added to todo list. If there is already an "add todo" * in this list we just incremenent the reference count. * Returns 0 if we just incremented reference count. */ static int __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add) { struct qeth_ipaddr *tmp, *t; int found = 0; list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) return 0; if ((tmp->proto == QETH_PROT_IPV4) && (addr->proto == QETH_PROT_IPV4) && (tmp->type == addr->type) && (tmp->is_multicast == addr->is_multicast) && (tmp->u.a4.addr == addr->u.a4.addr) && (tmp->u.a4.mask == addr->u.a4.mask) ){ found = 1; break; } if ((tmp->proto == QETH_PROT_IPV6) && (addr->proto == QETH_PROT_IPV6) && (tmp->type == addr->type) && (tmp->is_multicast == addr->is_multicast) && (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, sizeof(struct in6_addr)) == 0) ){ found = 1; break; } } if (found){ if (addr->users != 0) tmp->users += addr->users; else tmp->users += add? 1:-1; if (tmp->users == 0){ list_del(&tmp->entry); kfree(tmp); } return 0; } else { if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) list_add(&addr->entry, card->ip_tbd_list); else { if (addr->users == 0) addr->users += add? 1:-1; if (add && (addr->type == QETH_IP_TYPE_NORMAL) && qeth_is_addr_covered_by_ipato(card, addr)){ QETH_DBF_TEXT(trace, 2, "tkovaddr"); addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; } list_add_tail(&addr->entry, card->ip_tbd_list); } return 1; } } /** * Remove IP address from list */ static int qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) { unsigned long flags; int rc = 0; QETH_DBF_TEXT(trace,4,"delip"); if (addr->proto == QETH_PROT_IPV4) QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4); else { QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8); QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8); } spin_lock_irqsave(&card->ip_lock, flags); rc = __qeth_insert_ip_todo(card, addr, 0); spin_unlock_irqrestore(&card->ip_lock, flags); return rc; } static int qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) { unsigned long flags; int rc = 0; QETH_DBF_TEXT(trace,4,"addip"); if (addr->proto == QETH_PROT_IPV4) QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4); else { QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8); QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8); } spin_lock_irqsave(&card->ip_lock, flags); rc = __qeth_insert_ip_todo(card, addr, 1); spin_unlock_irqrestore(&card->ip_lock, flags); return rc; } static inline void __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags) { struct qeth_ipaddr *addr, *tmp; int rc; list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { if (addr->is_multicast) { spin_unlock_irqrestore(&card->ip_lock, *flags); rc = qeth_deregister_addr_entry(card, addr); spin_lock_irqsave(&card->ip_lock, *flags); if (!rc) { list_del(&addr->entry); kfree(addr); } } } } static void qeth_set_ip_addr_list(struct qeth_card *card) { struct list_head *tbd_list; struct qeth_ipaddr *todo, *addr; unsigned long flags; int rc; QETH_DBF_TEXT(trace, 2, "sdiplist"); QETH_DBF_HEX(trace, 2, &card, sizeof(void *)); spin_lock_irqsave(&card->ip_lock, flags); tbd_list = card->ip_tbd_list; card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); if (!card->ip_tbd_list) { QETH_DBF_TEXT(trace, 0, "silnomem"); card->ip_tbd_list = tbd_list; spin_unlock_irqrestore(&card->ip_lock, flags); return; } else INIT_LIST_HEAD(card->ip_tbd_list); while (!list_empty(tbd_list)){ todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); list_del(&todo->entry); if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){ __qeth_delete_all_mc(card, &flags); kfree(todo); continue; } rc = __qeth_ref_ip_on_card(card, todo, &addr); if (rc == 0) { /* nothing to be done; only adjusted refcount */ kfree(todo); } else if (rc == 1) { /* new entry to be added to on-card list */ spin_unlock_irqrestore(&card->ip_lock, flags); rc = qeth_register_addr_entry(card, todo); spin_lock_irqsave(&card->ip_lock, flags); if (!rc) list_add_tail(&todo->entry, &card->ip_list); else kfree(todo); } else if (rc == -1) { /* on-card entry to be removed */ list_del_init(&addr->entry); spin_unlock_irqrestore(&card->ip_lock, flags); rc = qeth_deregister_addr_entry(card, addr); spin_lock_irqsave(&card->ip_lock, flags); if (!rc) kfree(addr); else list_add_tail(&addr->entry, &card->ip_list); kfree(todo); } } spin_unlock_irqrestore(&card->ip_lock, flags); kfree(tbd_list); } static void qeth_delete_mc_addresses(struct qeth_card *); static void qeth_add_multicast_ipv4(struct qeth_card *); #ifdef CONFIG_QETH_IPV6 static void qeth_add_multicast_ipv6(struct qeth_card *); #endif static inline int qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread) { unsigned long flags; spin_lock_irqsave(&card->thread_mask_lock, flags); if ( !(card->thread_allowed_mask & thread) || (card->thread_start_mask & thread) ) { spin_unlock_irqrestore(&card->thread_mask_lock, flags); return -EPERM; } card->thread_start_mask |= thread; spin_unlock_irqrestore(&card->thread_mask_lock, flags); return 0; } static void qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread) { unsigned long flags; spin_lock_irqsave(&card->thread_mask_lock, flags); card->thread_start_mask &= ~thread; spin_unlock_irqrestore(&card->thread_mask_lock, flags); wake_up(&card->wait_q); } static void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) { unsigned long flags; spin_lock_irqsave(&card->thread_mask_lock, flags); card->thread_running_mask &= ~thread; spin_unlock_irqrestore(&card->thread_mask_lock, flags); wake_up(&card->wait_q); } static inline int __qeth_do_run_thread(struct qeth_card *card, unsigned long thread) { unsigned long flags; int rc = 0; spin_lock_irqsave(&card->thread_mask_lock, flags); if (card->thread_start_mask & thread){ if ((card->thread_allowed_mask & thread) && !(card->thread_running_mask & thread)){ rc = 1; card->thread_start_mask &= ~thread; card->thread_running_mask |= thread; } else rc = -EPERM; } spin_unlock_irqrestore(&card->thread_mask_lock, flags); return rc; } static int qeth_do_run_thread(struct qeth_card *card, unsigned long thread) { int rc = 0; wait_event(card->wait_q, (rc = __qeth_do_run_thread(card, thread)) >= 0); return rc; } static int qeth_register_ip_addresses(void *ptr) { struct qeth_card *card; card = (struct qeth_card *) ptr; daemonize("qeth_reg_ip"); QETH_DBF_TEXT(trace,4,"regipth1"); if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD)) return 0; QETH_DBF_TEXT(trace,4,"regipth2"); qeth_set_ip_addr_list(card); qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD); return 0; } static int qeth_recover(void *ptr) { struct qeth_card *card; int rc = 0; card = (struct qeth_card *) ptr; daemonize("qeth_recover"); QETH_DBF_TEXT(trace,2,"recover1"); QETH_DBF_HEX(trace, 2, &card, sizeof(void *)); if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) return 0; QETH_DBF_TEXT(trace,2,"recover2"); PRINT_WARN("Recovery of device %s started ...\n", CARD_BUS_ID(card)); card->use_hard_stop = 1; __qeth_set_offline(card->gdev,1); rc = __qeth_set_online(card->gdev,1); if (!rc) PRINT_INFO("Device %s successfully recovered!\n", CARD_BUS_ID(card)); else PRINT_INFO("Device %s could not be recovered!\n", CARD_BUS_ID(card)); /* don't run another scheduled recovery */ qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); return 0; } void qeth_schedule_recovery(struct qeth_card *card) { QETH_DBF_TEXT(trace,2,"startrec"); if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0) schedule_work(&card->kernel_thread_starter); } static int qeth_do_start_thread(struct qeth_card *card, unsigned long thread) { unsigned long flags; int rc = 0; spin_lock_irqsave(&card->thread_mask_lock, flags); QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x", (u8) card->thread_start_mask, (u8) card->thread_allowed_mask, (u8) card->thread_running_mask); rc = (card->thread_start_mask & thread); spin_unlock_irqrestore(&card->thread_mask_lock, flags); return rc; } static void qeth_start_kernel_thread(struct qeth_card *card) { QETH_DBF_TEXT(trace , 2, "strthrd"); if (card->read.state != CH_STATE_UP && card->write.state != CH_STATE_UP) return; if (qeth_do_start_thread(card, QETH_SET_IP_THREAD)) kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD); if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) kernel_thread(qeth_recover, (void *) card, SIGCHLD); } static void qeth_set_intial_options(struct qeth_card *card) { card->options.route4.type = NO_ROUTER; #ifdef CONFIG_QETH_IPV6 card->options.route6.type = NO_ROUTER; #endif /* QETH_IPV6 */ card->options.checksum_type = QETH_CHECKSUM_DEFAULT; card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS; card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL; card->options.fake_broadcast = 0; card->options.add_hhlen = DEFAULT_ADD_HHLEN; card->options.fake_ll = 0; card->options.layer2 = 0; } /** * initialize channels ,card and all state machines */ static int qeth_setup_card(struct qeth_card *card) { QETH_DBF_TEXT(setup, 2, "setupcrd"); QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); card->read.state = CH_STATE_DOWN; card->write.state = CH_STATE_DOWN; card->data.state = CH_STATE_DOWN; card->state = CARD_STATE_DOWN; card->lan_online = 0; card->use_hard_stop = 0; card->dev = NULL; #ifdef CONFIG_QETH_VLAN spin_lock_init(&card->vlanlock); card->vlangrp = NULL; #endif spin_lock_init(&card->lock); spin_lock_init(&card->ip_lock); spin_lock_init(&card->thread_mask_lock); card->thread_start_mask = 0; card->thread_allowed_mask = 0; card->thread_running_mask = 0; INIT_WORK(&card->kernel_thread_starter, (void *)qeth_start_kernel_thread,card); INIT_LIST_HEAD(&card->ip_list); card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL); if (!card->ip_tbd_list) { QETH_DBF_TEXT(setup, 0, "iptbdnom"); return -ENOMEM; } INIT_LIST_HEAD(card->ip_tbd_list); INIT_LIST_HEAD(&card->cmd_waiter_list); init_waitqueue_head(&card->wait_q); /* intial options */ qeth_set_intial_options(card); /* IP address takeover */ INIT_LIST_HEAD(&card->ipato.entries); card->ipato.enabled = 0; card->ipato.invert4 = 0; card->ipato.invert6 = 0; /* init QDIO stuff */ qeth_init_qdio_info(card); return 0; } static int is_1920_device (struct qeth_card *card) { int single_queue = 0; struct ccw_device *ccwdev; struct channelPath_dsc { u8 flags; u8 lsn; u8 desc; u8 chpid; u8 swla; u8 zeroes; u8 chla; u8 chpp; } *chp_dsc; QETH_DBF_TEXT(setup, 2, "chk_1920"); ccwdev = card->data.ccwdev; chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0); if (chp_dsc != NULL) { /* CHPP field bit 6 == 1 -> single queue */ single_queue = ((chp_dsc->chpp & 0x02) == 0x02); kfree(chp_dsc); } QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue); return single_queue; } static int qeth_determine_card_type(struct qeth_card *card) { int i = 0; QETH_DBF_TEXT(setup, 2, "detcdtyp"); while (known_devices[i][4]) { if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) && (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) { card->info.type = known_devices[i][4]; if (is_1920_device(card)) { PRINT_INFO("Priority Queueing not able " "due to hardware limitations!\n"); card->qdio.no_out_queues = 1; card->qdio.default_out_queue = 0; } else { card->qdio.no_out_queues = known_devices[i][8]; } card->info.is_multicast_different = known_devices[i][9]; return 0; } i++; } card->info.type = QETH_CARD_TYPE_UNKNOWN; PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card)); return -ENOENT; } static int qeth_probe_device(struct ccwgroup_device *gdev) { struct qeth_card *card; struct device *dev; unsigned long flags; int rc; QETH_DBF_TEXT(setup, 2, "probedev"); dev = &gdev->dev; if (!get_device(dev)) return -ENODEV; card = qeth_alloc_card(); if (!card) { put_device(dev); QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM); return -ENOMEM; } card->read.ccwdev = gdev->cdev[0]; card->write.ccwdev = gdev->cdev[1]; card->data.ccwdev = gdev->cdev[2]; if ((rc = qeth_setup_card(card))){ QETH_DBF_TEXT_(setup, 2, "2err%d", rc); put_device(dev); qeth_free_card(card); return rc; } gdev->dev.driver_data = card; card->gdev = gdev; gdev->cdev[0]->handler = qeth_irq; gdev->cdev[1]->handler = qeth_irq; gdev->cdev[2]->handler = qeth_irq; rc = qeth_create_device_attributes(dev); if (rc) { put_device(dev); qeth_free_card(card); return rc; } if ((rc = qeth_determine_card_type(card))){ PRINT_WARN("%s: not a valid card type\n", __func__); QETH_DBF_TEXT_(setup, 2, "3err%d", rc); put_device(dev); qeth_free_card(card); return rc; } /* insert into our internal list */ write_lock_irqsave(&qeth_card_list.rwlock, flags); list_add_tail(&card->list, &qeth_card_list.list); write_unlock_irqrestore(&qeth_card_list.rwlock, flags); return rc; } static int qeth_get_unitaddr(struct qeth_card *card) { int length; char *prcd; int rc; QETH_DBF_TEXT(setup, 2, "getunit"); rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length); if (rc) { PRINT_ERR("read_conf_data for device %s returned %i\n", CARD_DDEV_ID(card), rc); return rc; } card->info.chpid = prcd[30]; card->info.unit_addr2 = prcd[31]; card->info.cula = prcd[63]; card->info.guestlan = ((prcd[0x10] == _ascebc['V']) && (prcd[0x11] == _ascebc['M'])); return 0; } static void qeth_init_tokens(struct qeth_card *card) { card->token.issuer_rm_w = 0x00010103UL; card->token.cm_filter_w = 0x00010108UL; card->token.cm_connection_w = 0x0001010aUL; card->token.ulp_filter_w = 0x0001010bUL; card->token.ulp_connection_w = 0x0001010dUL; } static inline __u16 raw_devno_from_bus_id(char *id) { id += (strlen(id) - 4); return (__u16) simple_strtoul(id, &id, 16); } /** * setup channel */ static void qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len) { struct qeth_card *card; QETH_DBF_TEXT(trace, 4, "setupccw"); card = CARD_FROM_CDEV(channel->ccwdev); if (channel == &card->read) memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); else memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); channel->ccw.count = len; channel->ccw.cda = (__u32) __pa(iob); } /** * get free buffer for ccws (IDX activation, lancmds,ipassists...) */ static struct qeth_cmd_buffer * __qeth_get_buffer(struct qeth_channel *channel) { __u8 index; QETH_DBF_TEXT(trace, 6, "getbuff"); index = channel->io_buf_no; do { if (channel->iob[index].state == BUF_STATE_FREE) { channel->iob[index].state = BUF_STATE_LOCKED; channel->io_buf_no = (channel->io_buf_no + 1) % QETH_CMD_BUFFER_NO; memset(channel->iob[index].data, 0, QETH_BUFSIZE); return channel->iob + index; } index = (index + 1) % QETH_CMD_BUFFER_NO; } while(index != channel->io_buf_no); return NULL; } /** * release command buffer */ static void qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) { unsigned long flags; QETH_DBF_TEXT(trace, 6, "relbuff"); spin_lock_irqsave(&channel->iob_lock, flags); memset(iob->data, 0, QETH_BUFSIZE); iob->state = BUF_STATE_FREE; iob->callback = qeth_send_control_data_cb; iob->rc = 0; spin_unlock_irqrestore(&channel->iob_lock, flags); } static struct qeth_cmd_buffer * qeth_get_buffer(struct qeth_channel *channel) { struct qeth_cmd_buffer *buffer = NULL; unsigned long flags; spin_lock_irqsave(&channel->iob_lock, flags); buffer = __qeth_get_buffer(channel); spin_unlock_irqrestore(&channel->iob_lock, flags); return buffer; } static struct qeth_cmd_buffer * qeth_wait_for_buffer(struct qeth_channel *channel) { struct qeth_cmd_buffer *buffer; wait_event(channel->wait_q, ((buffer = qeth_get_buffer(channel)) != NULL)); return buffer; } static void qeth_clear_cmd_buffers(struct qeth_channel *channel) { int cnt = 0; for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) qeth_release_buffer(channel,&channel->iob[cnt]); channel->buf_no = 0; channel->io_buf_no = 0; } /** * start IDX for read and write channel */ static int qeth_idx_activate_get_answer(struct qeth_channel *channel, void (*idx_reply_cb)(struct qeth_channel *, struct qeth_cmd_buffer *)) { struct qeth_cmd_buffer *iob; unsigned long flags; int rc; struct qeth_card *card; QETH_DBF_TEXT(setup, 2, "idxanswr"); card = CARD_FROM_CDEV(channel->ccwdev); iob = qeth_get_buffer(channel); iob->callback = idx_reply_cb; memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); channel->ccw.count = QETH_BUFSIZE; channel->ccw.cda = (__u32) __pa(iob->data); wait_event(card->wait_q, atomic_compare_and_swap(0,1,&channel->irq_pending) == 0); QETH_DBF_TEXT(setup, 6, "noirqpnd"); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_start(channel->ccwdev, &channel->ccw,(addr_t) iob, 0, 0); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc); QETH_DBF_TEXT_(setup, 2, "2err%d", rc); atomic_set(&channel->irq_pending, 0); wake_up(&card->wait_q); return rc; } rc = wait_event_interruptible_timeout(card->wait_q, channel->state == CH_STATE_UP, QETH_TIMEOUT); if (rc == -ERESTARTSYS) return rc; if (channel->state != CH_STATE_UP){ rc = -ETIME; QETH_DBF_TEXT_(setup, 2, "3err%d", rc); qeth_clear_cmd_buffers(channel); } else rc = 0; return rc; } static int qeth_idx_activate_channel(struct qeth_channel *channel, void (*idx_reply_cb)(struct qeth_channel *, struct qeth_cmd_buffer *)) { struct qeth_card *card; struct qeth_cmd_buffer *iob; unsigned long flags; __u16 temp; int rc; card = CARD_FROM_CDEV(channel->ccwdev); QETH_DBF_TEXT(setup, 2, "idxactch"); iob = qeth_get_buffer(channel); iob->callback = idx_reply_cb; memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); channel->ccw.count = IDX_ACTIVATE_SIZE; channel->ccw.cda = (__u32) __pa(iob->data); if (channel == &card->write) { memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE); memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); card->seqno.trans_hdr++; } else { memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE); memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); } memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH); memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data), &card->info.func_level,sizeof(__u16)); temp = raw_devno_from_bus_id(CARD_DDEV_ID(card)); memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2); temp = (card->info.cula << 8) + card->info.unit_addr2; memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2); wait_event(card->wait_q, atomic_compare_and_swap(0,1,&channel->irq_pending) == 0); QETH_DBF_TEXT(setup, 6, "noirqpnd"); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_start(channel->ccwdev, &channel->ccw,(addr_t) iob, 0, 0); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc); QETH_DBF_TEXT_(setup, 2, "1err%d", rc); atomic_set(&channel->irq_pending, 0); wake_up(&card->wait_q); return rc; } rc = wait_event_interruptible_timeout(card->wait_q, channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT); if (rc == -ERESTARTSYS) return rc; if (channel->state != CH_STATE_ACTIVATING) { PRINT_WARN("qeth: IDX activate timed out!\n"); QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME); qeth_clear_cmd_buffers(channel); return -ETIME; } return qeth_idx_activate_get_answer(channel,idx_reply_cb); } static int qeth_peer_func_level(int level) { if ((level & 0xff) == 8) return (level & 0xff) + 0x400; if (((level >> 8) & 3) == 1) return (level & 0xff) + 0x200; return level; } static void qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) { struct qeth_card *card; __u16 temp; QETH_DBF_TEXT(setup ,2, "idxwrcb"); if (channel->state == CH_STATE_DOWN) { channel->state = CH_STATE_ACTIVATING; goto out; } card = CARD_FROM_CDEV(channel->ccwdev); if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative " "reply\n", CARD_WDEV_ID(card)); goto out; } memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) { PRINT_WARN("IDX_ACTIVATE on write channel device %s: " "function level mismatch " "(sent: 0x%x, received: 0x%x)\n", CARD_WDEV_ID(card), card->info.func_level, temp); goto out; } channel->state = CH_STATE_UP; out: qeth_release_buffer(channel, iob); } static int qeth_check_idx_response(unsigned char *buffer) { if (!buffer) return 0; QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN); if ((buffer[2] & 0xc0) == 0xc0) { PRINT_WARN("received an IDX TERMINATE " "with cause code 0x%02x%s\n", buffer[4], ((buffer[4] == 0x22) ? " -- try another portname" : "")); QETH_DBF_TEXT(trace, 2, "ckidxres"); QETH_DBF_TEXT(trace, 2, " idxterm"); QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO); return -EIO; } return 0; } static void qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) { struct qeth_card *card; __u16 temp; QETH_DBF_TEXT(setup , 2, "idxrdcb"); if (channel->state == CH_STATE_DOWN) { channel->state = CH_STATE_ACTIVATING; goto out; } card = CARD_FROM_CDEV(channel->ccwdev); if (qeth_check_idx_response(iob->data)) { goto out; } if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative " "reply\n", CARD_RDEV_ID(card)); goto out; } /** * temporary fix for microcode bug * to revert it,replace OR by AND */ if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) || (card->info.type == QETH_CARD_TYPE_OSAE) ) card->info.portname_required = 1; memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); if (temp != qeth_peer_func_level(card->info.func_level)) { PRINT_WARN("IDX_ACTIVATE on read channel device %s: function " "level mismatch (sent: 0x%x, received: 0x%x)\n", CARD_RDEV_ID(card), card->info.func_level, temp); goto out; } memcpy(&card->token.issuer_rm_r, QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), QETH_MPC_TOKEN_LENGTH); memcpy(&card->info.mcl_level[0], QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH); channel->state = CH_STATE_UP; out: qeth_release_buffer(channel,iob); } static int qeth_issue_next_read(struct qeth_card *card) { int rc; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(trace,5,"issnxrd"); if (card->read.state != CH_STATE_UP) return -EIO; iob = qeth_get_buffer(&card->read); if (!iob) { PRINT_WARN("issue_next_read failed: no iob available!\n"); return -ENOMEM; } qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE); wait_event(card->wait_q, atomic_compare_and_swap(0,1,&card->read.irq_pending) == 0); QETH_DBF_TEXT(trace, 6, "noirqpnd"); rc = ccw_device_start(card->read.ccwdev, &card->read.ccw, (addr_t) iob, 0, 0); if (rc) { PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc); atomic_set(&card->read.irq_pending, 0); qeth_schedule_recovery(card); wake_up(&card->wait_q); } return rc; } static struct qeth_reply * qeth_alloc_reply(struct qeth_card *card) { struct qeth_reply *reply; reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC); if (reply){ memset(reply, 0, sizeof(struct qeth_reply)); atomic_set(&reply->refcnt, 1); reply->card = card; }; return reply; } static void qeth_get_reply(struct qeth_reply *reply) { WARN_ON(atomic_read(&reply->refcnt) <= 0); atomic_inc(&reply->refcnt); } static void qeth_put_reply(struct qeth_reply *reply) { WARN_ON(atomic_read(&reply->refcnt) <= 0); if (atomic_dec_and_test(&reply->refcnt)) kfree(reply); } static void qeth_cmd_timeout(unsigned long data) { struct qeth_reply *reply, *list_reply, *r; unsigned long flags; reply = (struct qeth_reply *) data; spin_lock_irqsave(&reply->card->lock, flags); list_for_each_entry_safe(list_reply, r, &reply->card->cmd_waiter_list, list) { if (reply == list_reply){ qeth_get_reply(reply); list_del_init(&reply->list); spin_unlock_irqrestore(&reply->card->lock, flags); reply->rc = -ETIME; reply->received = 1; wake_up(&reply->wait_q); qeth_put_reply(reply); return; } } spin_unlock_irqrestore(&reply->card->lock, flags); } static struct qeth_ipa_cmd * qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) { struct qeth_ipa_cmd *cmd = NULL; QETH_DBF_TEXT(trace,5,"chkipad"); if (IS_IPA(iob->data)){ cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data); if (IS_IPA_REPLY(cmd)) return cmd; else { switch (cmd->hdr.command) { case IPA_CMD_STOPLAN: PRINT_WARN("Link failure on %s (CHPID 0x%X) - " "there is a network problem or " "someone pulled the cable or " "disabled the port.\n", QETH_CARD_IFNAME(card), card->info.chpid); card->lan_online = 0; netif_carrier_off(card->dev); return NULL; case IPA_CMD_STARTLAN: PRINT_INFO("Link reestablished on %s " "(CHPID 0x%X). Scheduling " "IP address reset.\n", QETH_CARD_IFNAME(card), card->info.chpid); netif_carrier_on(card->dev); qeth_schedule_recovery(card); return NULL; case IPA_CMD_REGISTER_LOCAL_ADDR: QETH_DBF_TEXT(trace,3, "irla"); break; case IPA_CMD_UNREGISTER_LOCAL_ADDR: QETH_DBF_TEXT(trace,3, "urla"); break; default: PRINT_WARN("Received data is IPA " "but not a reply!\n"); break; } } } return cmd; } /** * wake all waiting ipa commands */ static void qeth_clear_ipacmd_list(struct qeth_card *card) { struct qeth_reply *reply, *r; unsigned long flags; QETH_DBF_TEXT(trace, 4, "clipalst"); spin_lock_irqsave(&card->lock, flags); list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { qeth_get_reply(reply); reply->rc = -EIO; reply->received = 1; list_del_init(&reply->list); wake_up(&reply->wait_q); qeth_put_reply(reply); } spin_unlock_irqrestore(&card->lock, flags); } static void qeth_send_control_data_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) { struct qeth_card *card; struct qeth_reply *reply, *r; struct qeth_ipa_cmd *cmd; unsigned long flags; int keep_reply; QETH_DBF_TEXT(trace,4,"sndctlcb"); card = CARD_FROM_CDEV(channel->ccwdev); if (qeth_check_idx_response(iob->data)) { qeth_clear_ipacmd_list(card); qeth_schedule_recovery(card); goto out; } cmd = qeth_check_ipa_data(card, iob); if ((cmd == NULL) && (card->state != CARD_STATE_DOWN)) goto out; spin_lock_irqsave(&card->lock, flags); list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) || ((cmd) && (reply->seqno == cmd->hdr.seqno))) { qeth_get_reply(reply); list_del_init(&reply->list); spin_unlock_irqrestore(&card->lock, flags); keep_reply = 0; if (reply->callback != NULL) { if (cmd) { reply->offset = (__u16)((char*)cmd - (char *)iob->data); keep_reply = reply->callback(card, reply, (unsigned long)cmd); } else keep_reply = reply->callback(card, reply, (unsigned long)iob); } if (cmd) reply->rc = (u16) cmd->hdr.return_code; else if (iob->rc) reply->rc = iob->rc; if (keep_reply) { spin_lock_irqsave(&card->lock, flags); list_add_tail(&reply->list, &card->cmd_waiter_list); spin_unlock_irqrestore(&card->lock, flags); } else { reply->received = 1; wake_up(&reply->wait_q); } qeth_put_reply(reply); goto out; } } spin_unlock_irqrestore(&card->lock, flags); out: memcpy(&card->seqno.pdu_hdr_ack, QETH_PDU_HEADER_SEQ_NO(iob->data), QETH_SEQ_NO_LENGTH); qeth_release_buffer(channel,iob); } static int qeth_send_control_data(struct qeth_card *card, int len, struct qeth_cmd_buffer *iob, int (*reply_cb) (struct qeth_card *, struct qeth_reply*, unsigned long), void *reply_param) { int rc; unsigned long flags; struct qeth_reply *reply; struct timer_list timer; QETH_DBF_TEXT(trace, 2, "sendctl"); qeth_setup_ccw(&card->write,iob->data,len); memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); card->seqno.trans_hdr++; memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data), &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH); card->seqno.pdu_hdr++; memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data), &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH); iob->callback = qeth_release_buffer; reply = qeth_alloc_reply(card); if (!reply) { PRINT_WARN("Could no alloc qeth_reply!\n"); return -ENOMEM; } reply->callback = reply_cb; reply->param = reply_param; if (card->state == CARD_STATE_DOWN) reply->seqno = QETH_IDX_COMMAND_SEQNO; else reply->seqno = card->seqno.ipa++; init_timer(&timer); timer.function = qeth_cmd_timeout; timer.data = (unsigned long) reply; if (IS_IPA(iob->data)) timer.expires = jiffies + QETH_IPA_TIMEOUT; else timer.expires = jiffies + QETH_TIMEOUT; init_waitqueue_head(&reply->wait_q); spin_lock_irqsave(&card->lock, flags); list_add_tail(&reply->list, &card->cmd_waiter_list); spin_unlock_irqrestore(&card->lock, flags); QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN); wait_event(card->wait_q, atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0); QETH_DBF_TEXT(trace, 6, "noirqpnd"); spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, (addr_t) iob, 0, 0); spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); if (rc){ PRINT_WARN("qeth_send_control_data: " "ccw_device_start rc = %i\n", rc); QETH_DBF_TEXT_(trace, 2, " err%d", rc); spin_lock_irqsave(&card->lock, flags); list_del_init(&reply->list); qeth_put_reply(reply); spin_unlock_irqrestore(&card->lock, flags); qeth_release_buffer(iob->channel, iob); atomic_set(&card->write.irq_pending, 0); wake_up(&card->wait_q); return rc; } add_timer(&timer); wait_event(reply->wait_q, reply->received); del_timer_sync(&timer); rc = reply->rc; qeth_put_reply(reply); return rc; } static int qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, int (*reply_cb) (struct qeth_card *,struct qeth_reply*, unsigned long), void *reply_param) { int rc; char prot_type; QETH_DBF_TEXT(trace,4,"sendipa"); memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); if (card->options.layer2) prot_type = QETH_PROT_LAYER2; else prot_type = QETH_PROT_TCPIP; memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1); memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob, reply_cb, reply_param); return rc; } static int qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(setup, 2, "cmenblcb"); iob = (struct qeth_cmd_buffer *) data; memcpy(&card->token.cm_filter_r, QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data), QETH_MPC_TOKEN_LENGTH); QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); return 0; } static int qeth_cm_enable(struct qeth_card *card) { int rc; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(setup,2,"cmenable"); iob = qeth_wait_for_buffer(&card->write); memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE); memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data), &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data), &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH); rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob, qeth_cm_enable_cb, NULL); return rc; } static int qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(setup, 2, "cmsetpcb"); iob = (struct qeth_cmd_buffer *) data; memcpy(&card->token.cm_connection_r, QETH_CM_SETUP_RESP_DEST_ADDR(iob->data), QETH_MPC_TOKEN_LENGTH); QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); return 0; } static int qeth_cm_setup(struct qeth_card *card) { int rc; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(setup,2,"cmsetup"); iob = qeth_wait_for_buffer(&card->write); memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE); memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data), &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data), &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH); memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data), &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH); rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob, qeth_cm_setup_cb, NULL); return rc; } static int qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { __u16 mtu, framesize; __u16 len; __u8 link_type; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(setup, 2, "ulpenacb"); iob = (struct qeth_cmd_buffer *) data; memcpy(&card->token.ulp_filter_r, QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data), QETH_MPC_TOKEN_LENGTH); if (qeth_get_mtu_out_of_mpc(card->info.type)) { memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2); mtu = qeth_get_mtu_outof_framesize(framesize); if (!mtu) { iob->rc = -EINVAL; QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); return 0; } card->info.max_mtu = mtu; card->info.initial_mtu = mtu; card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE; } else { card->info.initial_mtu = qeth_get_initial_mtu_for_card(card); card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type); card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; } memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2); if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) { memcpy(&link_type, QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1); card->info.link_type = link_type; } else card->info.link_type = 0; QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); return 0; } static int qeth_ulp_enable(struct qeth_card *card) { int rc; char prot_type; struct qeth_cmd_buffer *iob; /*FIXME: trace view callbacks*/ QETH_DBF_TEXT(setup,2,"ulpenabl"); iob = qeth_wait_for_buffer(&card->write); memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE); *(QETH_ULP_ENABLE_LINKNUM(iob->data)) = (__u8) card->info.portno; if (card->options.layer2) prot_type = QETH_PROT_LAYER2; else prot_type = QETH_PROT_TCPIP; memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1); memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data), &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data), &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH); memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data), card->info.portname, 9); rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob, qeth_ulp_enable_cb, NULL); return rc; } static inline __u16 __raw_devno_from_bus_id(char *id) { id += (strlen(id) - 4); return (__u16) simple_strtoul(id, &id, 16); } static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(setup, 2, "ulpstpcb"); iob = (struct qeth_cmd_buffer *) data; memcpy(&card->token.ulp_connection_r, QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data), QETH_MPC_TOKEN_LENGTH); QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); return 0; } static int qeth_ulp_setup(struct qeth_card *card) { int rc; __u16 temp; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(setup,2,"ulpsetup"); iob = qeth_wait_for_buffer(&card->write); memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE); memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data), &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data), &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH); memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data), &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH); temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card)); memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2); temp = (card->info.cula << 8) + card->info.unit_addr2; memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2); rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob, qeth_ulp_setup_cb, NULL); return rc; } static inline int qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf, unsigned int qdio_error, unsigned int siga_error) { int rc = 0; if (qdio_error || siga_error) { QETH_DBF_TEXT(trace, 2, "qdinerr"); QETH_DBF_TEXT(qerr, 2, "qdinerr"); QETH_DBF_TEXT_(qerr, 2, " F15=%02X", buf->buffer->element[15].flags & 0xff); QETH_DBF_TEXT_(qerr, 2, " F14=%02X", buf->buffer->element[14].flags & 0xff); QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error); QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error); rc = 1; } return rc; } static inline struct sk_buff * qeth_get_skb(unsigned int length) { struct sk_buff* skb; #ifdef CONFIG_QETH_VLAN if ((skb = dev_alloc_skb(length + VLAN_HLEN))) skb_reserve(skb, VLAN_HLEN); #else skb = dev_alloc_skb(length); #endif return skb; } static inline struct sk_buff * qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, struct qdio_buffer_element **__element, int *__offset, struct qeth_hdr **hdr) { struct qdio_buffer_element *element = *__element; int offset = *__offset; struct sk_buff *skb = NULL; int skb_len; void *data_ptr; int data_len; QETH_DBF_TEXT(trace,6,"nextskb"); /* qeth_hdr must not cross element boundaries */ if (element->length < offset + sizeof(struct qeth_hdr)){ if (qeth_is_last_sbale(element)) return NULL; element++; offset = 0; if (element->length < sizeof(struct qeth_hdr)) return NULL; } *hdr = element->addr + offset; offset += sizeof(struct qeth_hdr); if (card->options.layer2) skb_len = (*hdr)->hdr.l2.pkt_length; else skb_len = (*hdr)->hdr.l3.length; if (!skb_len) return NULL; if (card->options.fake_ll){ if(card->dev->type == ARPHRD_IEEE802_TR){ if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR))) goto no_mem; skb_reserve(skb,QETH_FAKE_LL_LEN_TR); } else { if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH))) goto no_mem; skb_reserve(skb,QETH_FAKE_LL_LEN_ETH); } } else if (!(skb = qeth_get_skb(skb_len))) goto no_mem; data_ptr = element->addr + offset; while (skb_len) { data_len = min(skb_len, (int)(element->length - offset)); if (data_len) memcpy(skb_put(skb, data_len), data_ptr, data_len); skb_len -= data_len; if (skb_len){ if (qeth_is_last_sbale(element)){ QETH_DBF_TEXT(trace,4,"unexeob"); QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card)); QETH_DBF_TEXT(qerr,2,"unexeob"); QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card)); QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer)); dev_kfree_skb_any(skb); card->stats.rx_errors++; return NULL; } element++; offset = 0; data_ptr = element->addr; } else { offset += data_len; } } *__element = element; *__offset = offset; return skb; no_mem: if (net_ratelimit()){ PRINT_WARN("No memory for packet received on %s.\n", QETH_CARD_IFNAME(card)); QETH_DBF_TEXT(trace,2,"noskbmem"); QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card)); } card->stats.rx_dropped++; return NULL; } static inline __be16 qeth_type_trans(struct sk_buff *skb, struct net_device *dev) { struct qeth_card *card; struct ethhdr *eth; QETH_DBF_TEXT(trace,6,"typtrans"); card = (struct qeth_card *)dev->priv; #ifdef CONFIG_TR if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) return tr_type_trans(skb,dev); #endif /* CONFIG_TR */ skb->mac.raw = skb->data; skb_pull(skb, ETH_HLEN ); eth = eth_hdr(skb); if (*eth->h_dest & 1) { if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0) skb->pkt_type = PACKET_BROADCAST; else skb->pkt_type = PACKET_MULTICAST; } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN)) skb->pkt_type = PACKET_OTHERHOST; if (ntohs(eth->h_proto) >= 1536) return eth->h_proto; if (*(unsigned short *) (skb->data) == 0xFFFF) return htons(ETH_P_802_3); return htons(ETH_P_802_2); } static inline void qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { struct trh_hdr *fake_hdr; struct trllc *fake_llc; struct iphdr *ip_hdr; QETH_DBF_TEXT(trace,5,"skbfktr"); skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR; /* this is a fake ethernet header */ fake_hdr = (struct trh_hdr *) skb->mac.raw; /* the destination MAC address */ switch (skb->pkt_type){ case PACKET_MULTICAST: switch (skb->protocol){ #ifdef CONFIG_QETH_IPV6 case __constant_htons(ETH_P_IPV6): ndisc_mc_map((struct in6_addr *) skb->data + QETH_FAKE_LL_V6_ADDR_POS, fake_hdr->daddr, card->dev, 0); break; #endif /* CONFIG_QETH_IPV6 */ case __constant_htons(ETH_P_IP): ip_hdr = (struct iphdr *)skb->data; ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr); break; default: memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); } break; case PACKET_BROADCAST: memset(fake_hdr->daddr, 0xff, TR_ALEN); break; default: memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); } /* the source MAC address */ if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN); else memset(fake_hdr->saddr, 0, TR_ALEN); fake_hdr->rcf=0; fake_llc = (struct trllc*)&(fake_hdr->rcf); fake_llc->dsap = EXTENDED_SAP; fake_llc->ssap = EXTENDED_SAP; fake_llc->llc = UI_CMD; fake_llc->protid[0] = 0; fake_llc->protid[1] = 0; fake_llc->protid[2] = 0; fake_llc->ethertype = ETH_P_IP; } static inline void qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { struct ethhdr *fake_hdr; struct iphdr *ip_hdr; QETH_DBF_TEXT(trace,5,"skbfketh"); skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH; /* this is a fake ethernet header */ fake_hdr = (struct ethhdr *) skb->mac.raw; /* the destination MAC address */ switch (skb->pkt_type){ case PACKET_MULTICAST: switch (skb->protocol){ #ifdef CONFIG_QETH_IPV6 case __constant_htons(ETH_P_IPV6): ndisc_mc_map((struct in6_addr *) skb->data + QETH_FAKE_LL_V6_ADDR_POS, fake_hdr->h_dest, card->dev, 0); break; #endif /* CONFIG_QETH_IPV6 */ case __constant_htons(ETH_P_IP): ip_hdr = (struct iphdr *)skb->data; ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest); break; default: memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); } break; case PACKET_BROADCAST: memset(fake_hdr->h_dest, 0xff, ETH_ALEN); break; default: memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); } /* the source MAC address */ if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN); else memset(fake_hdr->h_source, 0, ETH_ALEN); /* the protocol */ fake_hdr->h_proto = skb->protocol; } static inline void qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { if (card->dev->type == ARPHRD_IEEE802_TR) qeth_rebuild_skb_fake_ll_tr(card, skb, hdr); else qeth_rebuild_skb_fake_ll_eth(card, skb, hdr); } static inline void qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { #ifdef CONFIG_QETH_VLAN u16 *vlan_tag; if (hdr->hdr.l3.ext_flags & (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN); *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)? hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); *(vlan_tag + 1) = skb->protocol; skb->protocol = __constant_htons(ETH_P_8021Q); } #endif /* CONFIG_QETH_VLAN */ } static inline __u16 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { unsigned short vlan_id = 0; #ifdef CONFIG_QETH_VLAN struct vlan_hdr *vhdr; #endif skb->pkt_type = PACKET_HOST; skb->protocol = qeth_type_trans(skb, skb->dev); if (card->options.checksum_type == NO_CHECKSUMMING) skb->ip_summed = CHECKSUM_UNNECESSARY; else skb->ip_summed = CHECKSUM_NONE; #ifdef CONFIG_QETH_VLAN if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) { vhdr = (struct vlan_hdr *) skb->data; skb->protocol = __constant_htons(vhdr->h_vlan_encapsulated_proto); vlan_id = hdr->hdr.l2.vlan_id; skb_pull(skb, VLAN_HLEN); } #endif *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; return vlan_id; } static inline void qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { #ifdef CONFIG_QETH_IPV6 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) { skb->pkt_type = PACKET_HOST; skb->protocol = qeth_type_trans(skb, card->dev); return; } #endif /* CONFIG_QETH_IPV6 */ skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : ETH_P_IP); switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){ case QETH_CAST_UNICAST: skb->pkt_type = PACKET_HOST; break; case QETH_CAST_MULTICAST: skb->pkt_type = PACKET_MULTICAST; card->stats.multicast++; break; case QETH_CAST_BROADCAST: skb->pkt_type = PACKET_BROADCAST; card->stats.multicast++; break; case QETH_CAST_ANYCAST: case QETH_CAST_NOCAST: default: skb->pkt_type = PACKET_HOST; } qeth_rebuild_skb_vlan(card, skb, hdr); if (card->options.fake_ll) qeth_rebuild_skb_fake_ll(card, skb, hdr); else skb->mac.raw = skb->data; skb->ip_summed = card->options.checksum_type; if (card->options.checksum_type == HW_CHECKSUMMING){ if ( (hdr->hdr.l3.ext_flags & (QETH_HDR_EXT_CSUM_HDR_REQ | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == (QETH_HDR_EXT_CSUM_HDR_REQ | QETH_HDR_EXT_CSUM_TRANSP_REQ) ) skb->ip_summed = CHECKSUM_UNNECESSARY; else skb->ip_summed = SW_CHECKSUMMING; } } static inline void qeth_process_inbound_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf, int index) { struct qdio_buffer_element *element; struct sk_buff *skb; struct qeth_hdr *hdr; int offset; int rxrc; __u16 vlan_tag = 0; /* get first element of current buffer */ element = (struct qdio_buffer_element *)&buf->buffer->element[0]; offset = 0; #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.bufs_rec++; #endif while((skb = qeth_get_next_skb(card, buf->buffer, &element, &offset, &hdr))) { skb->dev = card->dev; if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr); else qeth_rebuild_skb(card, skb, hdr); /* is device UP ? */ if (!(card->dev->flags & IFF_UP)){ dev_kfree_skb_any(skb); continue; } #ifdef CONFIG_QETH_VLAN if (vlan_tag) vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag); else #endif rxrc = netif_rx(skb); card->dev->last_rx = jiffies; card->stats.rx_packets++; card->stats.rx_bytes += skb->len; } } static inline struct qeth_buffer_pool_entry * qeth_get_buffer_pool_entry(struct qeth_card *card) { struct qeth_buffer_pool_entry *entry; QETH_DBF_TEXT(trace, 6, "gtbfplen"); if (!list_empty(&card->qdio.in_buf_pool.entry_list)) { entry = list_entry(card->qdio.in_buf_pool.entry_list.next, struct qeth_buffer_pool_entry, list); list_del_init(&entry->list); return entry; } return NULL; } static inline void qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf) { struct qeth_buffer_pool_entry *pool_entry; int i; pool_entry = qeth_get_buffer_pool_entry(card); /* * since the buffer is accessed only from the input_tasklet * there shouldn't be a need to synchronize; also, since we use * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off * buffers */ BUG_ON(!pool_entry); buf->pool_entry = pool_entry; for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ buf->buffer->element[i].length = PAGE_SIZE; buf->buffer->element[i].addr = pool_entry->elements[i]; if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1) buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY; else buf->buffer->element[i].flags = 0; } buf->state = QETH_QDIO_BUF_EMPTY; } static inline void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf) { int i; struct sk_buff *skb; /* is PCI flag set on buffer? */ if (buf->buffer->element[0].flags & 0x40) atomic_dec(&queue->set_pci_flags_count); while ((skb = skb_dequeue(&buf->skb_list))){ atomic_dec(&skb->users); dev_kfree_skb_any(skb); } qeth_eddp_buf_release_contexts(buf); for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){ buf->buffer->element[i].length = 0; buf->buffer->element[i].addr = NULL; buf->buffer->element[i].flags = 0; } buf->next_element_to_fill = 0; atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); } static inline void qeth_queue_input_buffer(struct qeth_card *card, int index) { struct qeth_qdio_q *queue = card->qdio.in_q; int count; int i; int rc; QETH_DBF_TEXT(trace,6,"queinbuf"); count = (index < queue->next_buf_to_init)? card->qdio.in_buf_pool.buf_count - (queue->next_buf_to_init - index) : card->qdio.in_buf_pool.buf_count - (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index); /* only requeue at a certain threshold to avoid SIGAs */ if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){ for (i = queue->next_buf_to_init; i < queue->next_buf_to_init + count; ++i) qeth_init_input_buffer(card, &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]); /* * according to old code it should be avoided to requeue all * 128 buffers in order to benefit from PCI avoidance. * this function keeps at least one buffer (the buffer at * 'index') un-requeued -> this buffer is the first buffer that * will be requeued the next time */ #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.inbound_do_qdio_cnt++; card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros(); #endif rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT, 0, queue->next_buf_to_init, count, NULL); #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.inbound_do_qdio_time += qeth_get_micros() - card->perf_stats.inbound_do_qdio_start_time; #endif if (rc){ PRINT_WARN("qeth_queue_input_buffer's do_QDIO " "return %i (device %s).\n", rc, CARD_DDEV_ID(card)); QETH_DBF_TEXT(trace,2,"qinberr"); QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card)); } queue->next_buf_to_init = (queue->next_buf_to_init + count) % QDIO_MAX_BUFFERS_PER_Q; } } static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, struct qeth_buffer_pool_entry *entry) { QETH_DBF_TEXT(trace, 6, "ptbfplen"); list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); } static void qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, unsigned int qdio_err, unsigned int siga_err, unsigned int queue, int first_element, int count, unsigned long card_ptr) { struct net_device *net_dev; struct qeth_card *card; struct qeth_qdio_buffer *buffer; int index; int i; QETH_DBF_TEXT(trace, 6, "qdinput"); card = (struct qeth_card *) card_ptr; net_dev = card->dev; #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.inbound_cnt++; card->perf_stats.inbound_start_time = qeth_get_micros(); #endif if (status & QDIO_STATUS_LOOK_FOR_ERROR) { if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ QETH_DBF_TEXT(trace, 1,"qdinchk"); QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count); QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status); qeth_schedule_recovery(card); return; } } for (i = first_element; i < (first_element + count); ++i) { index = i % QDIO_MAX_BUFFERS_PER_Q; buffer = &card->qdio.in_q->bufs[index]; if (!((status == QDIO_STATUS_LOOK_FOR_ERROR) && qeth_check_for_inbound_error(buffer, qdio_err, siga_err))) qeth_process_inbound_buffer(card, buffer, index); /* clear buffer and give back to hardware */ qeth_put_buffer_pool_entry(card, buffer->pool_entry); qeth_queue_input_buffer(card, index); } #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.inbound_time += qeth_get_micros() - card->perf_stats.inbound_start_time; #endif } static inline int qeth_handle_send_error(struct qeth_card *card, struct qeth_qdio_out_buffer *buffer, int qdio_err, int siga_err) { int sbalf15 = buffer->buffer->element[15].flags & 0xff; int cc = siga_err & 3; QETH_DBF_TEXT(trace, 6, "hdsnderr"); switch (cc) { case 0: if (qdio_err){ QETH_DBF_TEXT(trace, 1,"lnkfail"); QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); QETH_DBF_TEXT_(trace,1,"%04x %02x", (u16)qdio_err, (u8)sbalf15); return QETH_SEND_ERROR_LINK_FAILURE; } return QETH_SEND_ERROR_NONE; case 2: if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) { QETH_DBF_TEXT(trace, 1, "SIGAcc2B"); QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); return QETH_SEND_ERROR_KICK_IT; } if ((sbalf15 >= 15) && (sbalf15 <= 31)) return QETH_SEND_ERROR_RETRY; return QETH_SEND_ERROR_LINK_FAILURE; /* look at qdio_error and sbalf 15 */ case 1: QETH_DBF_TEXT(trace, 1, "SIGAcc1"); QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); return QETH_SEND_ERROR_LINK_FAILURE; case 3: QETH_DBF_TEXT(trace, 1, "SIGAcc3"); QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); return QETH_SEND_ERROR_KICK_IT; } return QETH_SEND_ERROR_LINK_FAILURE; } void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, int index, int count) { struct qeth_qdio_out_buffer *buf; int rc; int i; QETH_DBF_TEXT(trace, 6, "flushbuf"); for (i = index; i < index + count; ++i) { buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; buf->buffer->element[buf->next_element_to_fill - 1].flags |= SBAL_FLAGS_LAST_ENTRY; if (queue->card->info.type == QETH_CARD_TYPE_IQD) continue; if (!queue->do_pack){ if ((atomic_read(&queue->used_buffers) >= (QETH_HIGH_WATERMARK_PACK - QETH_WATERMARK_PACK_FUZZ)) && !atomic_read(&queue->set_pci_flags_count)){ /* it's likely that we'll go to packing * mode soon */ atomic_inc(&queue->set_pci_flags_count); buf->buffer->element[0].flags |= 0x40; } } else { if (!atomic_read(&queue->set_pci_flags_count)){ /* * there's no outstanding PCI any more, so we * have to request a PCI to be sure the the PCI * will wake at some time in the future then we * can flush packed buffers that might still be * hanging around, which can happen if no * further send was requested by the stack */ atomic_inc(&queue->set_pci_flags_count); buf->buffer->element[0].flags |= 0x40; } } } queue->card->dev->trans_start = jiffies; #ifdef CONFIG_QETH_PERF_STATS queue->card->perf_stats.outbound_do_qdio_cnt++; queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros(); #endif if (under_int) rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT, queue->queue_no, index, count, NULL); else rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT, queue->queue_no, index, count, NULL); #ifdef CONFIG_QETH_PERF_STATS queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() - queue->card->perf_stats.outbound_do_qdio_start_time; #endif if (rc){ QETH_DBF_TEXT(trace, 2, "flushbuf"); QETH_DBF_TEXT_(trace, 2, " err%d", rc); QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card)); queue->card->stats.tx_errors += count; /* this must not happen under normal circumstances. if it * happens something is really wrong -> recover */ qeth_schedule_recovery(queue->card); return; } atomic_add(count, &queue->used_buffers); #ifdef CONFIG_QETH_PERF_STATS queue->card->perf_stats.bufs_sent += count; #endif } /* * Switched to packing state if the number of used buffers on a queue * reaches a certain limit. */ static inline void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) { if (!queue->do_pack) { if (atomic_read(&queue->used_buffers) >= QETH_HIGH_WATERMARK_PACK){ /* switch non-PACKING -> PACKING */ QETH_DBF_TEXT(trace, 6, "np->pack"); #ifdef CONFIG_QETH_PERF_STATS queue->card->perf_stats.sc_dp_p++; #endif queue->do_pack = 1; } } } /* * Switches from packing to non-packing mode. If there is a packing * buffer on the queue this buffer will be prepared to be flushed. * In that case 1 is returned to inform the caller. If no buffer * has to be flushed, zero is returned. */ static inline int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) { struct qeth_qdio_out_buffer *buffer; int flush_count = 0; if (queue->do_pack) { if (atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) { /* switch PACKING -> non-PACKING */ QETH_DBF_TEXT(trace, 6, "pack->np"); #ifdef CONFIG_QETH_PERF_STATS queue->card->perf_stats.sc_p_dp++; #endif queue->do_pack = 0; /* flush packing buffers */ buffer = &queue->bufs[queue->next_buf_to_fill]; if ((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) && (buffer->next_element_to_fill > 0)) { atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED); flush_count++; queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; } } } return flush_count; } /* * Called to flush a packing buffer if no more pci flags are on the queue. * Checks if there is a packing buffer and prepares it to be flushed. * In that case returns 1, otherwise zero. */ static inline int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue) { struct qeth_qdio_out_buffer *buffer; buffer = &queue->bufs[queue->next_buf_to_fill]; if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) && (buffer->next_element_to_fill > 0)){ /* it's a packing buffer */ atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; return 1; } return 0; } static inline void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue) { int index; int flush_cnt = 0; int q_was_packing = 0; /* * check if weed have to switch to non-packing mode or if * we have to get a pci flag out on the queue */ if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) || !atomic_read(&queue->set_pci_flags_count)){ if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) == QETH_OUT_Q_UNLOCKED) { /* * If we get in here, there was no action in * do_send_packet. So, we check if there is a * packing buffer to be flushed here. */ netif_stop_queue(queue->card->dev); index = queue->next_buf_to_fill; q_was_packing = queue->do_pack; flush_cnt += qeth_switch_to_nonpacking_if_needed(queue); if (!flush_cnt && !atomic_read(&queue->set_pci_flags_count)) flush_cnt += qeth_flush_buffers_on_no_pci(queue); #ifdef CONFIG_QETH_PERF_STATS if (q_was_packing) queue->card->perf_stats.bufs_sent_pack += flush_cnt; #endif if (flush_cnt) qeth_flush_buffers(queue, 1, index, flush_cnt); atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); } } } static void qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status, unsigned int qdio_error, unsigned int siga_error, unsigned int __queue, int first_element, int count, unsigned long card_ptr) { struct qeth_card *card = (struct qeth_card *) card_ptr; struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; struct qeth_qdio_out_buffer *buffer; int i; QETH_DBF_TEXT(trace, 6, "qdouhdl"); if (status & QDIO_STATUS_LOOK_FOR_ERROR) { if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ QETH_DBF_TEXT(trace, 2, "achkcond"); QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card)); QETH_DBF_TEXT_(trace, 2, "%08x", status); netif_stop_queue(card->dev); qeth_schedule_recovery(card); return; } } #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.outbound_handler_cnt++; card->perf_stats.outbound_handler_start_time = qeth_get_micros(); #endif for(i = first_element; i < (first_element + count); ++i){ buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; /*we only handle the KICK_IT error by doing a recovery */ if (qeth_handle_send_error(card, buffer, qdio_error, siga_error) == QETH_SEND_ERROR_KICK_IT){ netif_stop_queue(card->dev); qeth_schedule_recovery(card); return; } qeth_clear_output_buffer(queue, buffer); } atomic_sub(count, &queue->used_buffers); /* check if we need to do something on this outbound queue */ if (card->info.type != QETH_CARD_TYPE_IQD) qeth_check_outbound_queue(queue); netif_wake_queue(queue->card->dev); #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.outbound_handler_time += qeth_get_micros() - card->perf_stats.outbound_handler_start_time; #endif } static void qeth_create_qib_param_field(struct qeth_card *card, char *param_field) { param_field[0] = _ascebc['P']; param_field[1] = _ascebc['C']; param_field[2] = _ascebc['I']; param_field[3] = _ascebc['T']; *((unsigned int *) (&param_field[4])) = QETH_PCI_THRESHOLD_A(card); *((unsigned int *) (&param_field[8])) = QETH_PCI_THRESHOLD_B(card); *((unsigned int *) (&param_field[12])) = QETH_PCI_TIMER_VALUE(card); } static void qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field) { param_field[16] = _ascebc['B']; param_field[17] = _ascebc['L']; param_field[18] = _ascebc['K']; param_field[19] = _ascebc['T']; *((unsigned int *) (&param_field[20])) = card->info.blkt.time_total; *((unsigned int *) (&param_field[24])) = card->info.blkt.inter_packet; *((unsigned int *) (&param_field[28])) = card->info.blkt.inter_packet_jumbo; } static void qeth_initialize_working_pool_list(struct qeth_card *card) { struct qeth_buffer_pool_entry *entry; QETH_DBF_TEXT(trace,5,"inwrklst"); list_for_each_entry(entry, &card->qdio.init_pool.entry_list, init_list) { qeth_put_buffer_pool_entry(card,entry); } } static void qeth_clear_working_pool_list(struct qeth_card *card) { struct qeth_buffer_pool_entry *pool_entry, *tmp; QETH_DBF_TEXT(trace,5,"clwrklst"); list_for_each_entry_safe(pool_entry, tmp, &card->qdio.in_buf_pool.entry_list, list){ list_del(&pool_entry->list); } } static void qeth_free_buffer_pool(struct qeth_card *card) { struct qeth_buffer_pool_entry *pool_entry, *tmp; int i=0; QETH_DBF_TEXT(trace,5,"freepool"); list_for_each_entry_safe(pool_entry, tmp, &card->qdio.init_pool.entry_list, init_list){ for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) free_page((unsigned long)pool_entry->elements[i]); list_del(&pool_entry->init_list); kfree(pool_entry); } } static int qeth_alloc_buffer_pool(struct qeth_card *card) { struct qeth_buffer_pool_entry *pool_entry; void *ptr; int i, j; QETH_DBF_TEXT(trace,5,"alocpool"); for (i = 0; i < card->qdio.init_pool.buf_count; ++i){ pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL); if (!pool_entry){ qeth_free_buffer_pool(card); return -ENOMEM; } for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){ ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA); if (!ptr) { while (j > 0) free_page((unsigned long) pool_entry->elements[--j]); kfree(pool_entry); qeth_free_buffer_pool(card); return -ENOMEM; } pool_entry->elements[j] = ptr; } list_add(&pool_entry->init_list, &card->qdio.init_pool.entry_list); } return 0; } int qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt) { QETH_DBF_TEXT(trace, 2, "realcbp"); if ((card->state != CARD_STATE_DOWN) && (card->state != CARD_STATE_RECOVER)) return -EPERM; /* TODO: steel/add buffers from/to a running card's buffer pool (?) */ qeth_clear_working_pool_list(card); qeth_free_buffer_pool(card); card->qdio.in_buf_pool.buf_count = bufcnt; card->qdio.init_pool.buf_count = bufcnt; return qeth_alloc_buffer_pool(card); } static int qeth_alloc_qdio_buffers(struct qeth_card *card) { int i, j; QETH_DBF_TEXT(setup, 2, "allcqdbf"); if (card->qdio.state == QETH_QDIO_ALLOCATED) return 0; card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL|GFP_DMA); if (!card->qdio.in_q) return - ENOMEM; QETH_DBF_TEXT(setup, 2, "inq"); QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *)); memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q)); /* give inbound qeth_qdio_buffers their qdio_buffers */ for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) card->qdio.in_q->bufs[i].buffer = &card->qdio.in_q->qdio_bufs[i]; /* inbound buffer pool */ if (qeth_alloc_buffer_pool(card)){ kfree(card->qdio.in_q); return -ENOMEM; } /* outbound */ card->qdio.out_qs = kmalloc(card->qdio.no_out_queues * sizeof(struct qeth_qdio_out_q *), GFP_KERNEL); if (!card->qdio.out_qs){ qeth_free_buffer_pool(card); return -ENOMEM; } for (i = 0; i < card->qdio.no_out_queues; ++i){ card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q), GFP_KERNEL|GFP_DMA); if (!card->qdio.out_qs[i]){ while (i > 0) kfree(card->qdio.out_qs[--i]); kfree(card->qdio.out_qs); return -ENOMEM; } QETH_DBF_TEXT_(setup, 2, "outq %i", i); QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *)); memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q)); card->qdio.out_qs[i]->queue_no = i; /* give outbound qeth_qdio_buffers their qdio_buffers */ for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){ card->qdio.out_qs[i]->bufs[j].buffer = &card->qdio.out_qs[i]->qdio_bufs[j]; skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j]. skb_list); INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list); } } card->qdio.state = QETH_QDIO_ALLOCATED; return 0; } static void qeth_free_qdio_buffers(struct qeth_card *card) { int i, j; QETH_DBF_TEXT(trace, 2, "freeqdbf"); if (card->qdio.state == QETH_QDIO_UNINITIALIZED) return; kfree(card->qdio.in_q); /* inbound buffer pool */ qeth_free_buffer_pool(card); /* free outbound qdio_qs */ for (i = 0; i < card->qdio.no_out_queues; ++i){ for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) qeth_clear_output_buffer(card->qdio.out_qs[i], &card->qdio.out_qs[i]->bufs[j]); kfree(card->qdio.out_qs[i]); } kfree(card->qdio.out_qs); card->qdio.state = QETH_QDIO_UNINITIALIZED; } static void qeth_clear_qdio_buffers(struct qeth_card *card) { int i, j; QETH_DBF_TEXT(trace, 2, "clearqdbf"); /* clear outbound buffers to free skbs */ for (i = 0; i < card->qdio.no_out_queues; ++i) if (card->qdio.out_qs[i]){ for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) qeth_clear_output_buffer(card->qdio.out_qs[i], &card->qdio.out_qs[i]->bufs[j]); } } static void qeth_init_qdio_info(struct qeth_card *card) { QETH_DBF_TEXT(setup, 4, "intqdinf"); card->qdio.state = QETH_QDIO_UNINITIALIZED; /* inbound */ card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT; card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count; INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list); INIT_LIST_HEAD(&card->qdio.init_pool.entry_list); /* outbound */ card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; } static int qeth_init_qdio_queues(struct qeth_card *card) { int i, j; int rc; QETH_DBF_TEXT(setup, 2, "initqdqs"); /* inbound queue */ memset(card->qdio.in_q->qdio_bufs, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); qeth_initialize_working_pool_list(card); /*give only as many buffers to hardware as we have buffer pool entries*/ for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i) qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]); card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1; rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0, card->qdio.in_buf_pool.buf_count - 1, NULL); if (rc) { QETH_DBF_TEXT_(setup, 2, "1err%d", rc); return rc; } rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0); if (rc) { QETH_DBF_TEXT_(setup, 2, "2err%d", rc); return rc; } /* outbound queue */ for (i = 0; i < card->qdio.no_out_queues; ++i){ memset(card->qdio.out_qs[i]->qdio_bufs, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){ qeth_clear_output_buffer(card->qdio.out_qs[i], &card->qdio.out_qs[i]->bufs[j]); } card->qdio.out_qs[i]->card = card; card->qdio.out_qs[i]->next_buf_to_fill = 0; card->qdio.out_qs[i]->do_pack = 0; atomic_set(&card->qdio.out_qs[i]->used_buffers,0); atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0); atomic_set(&card->qdio.out_qs[i]->state, QETH_OUT_Q_UNLOCKED); } return 0; } static int qeth_qdio_establish(struct qeth_card *card) { struct qdio_initialize init_data; char *qib_param_field; struct qdio_buffer **in_sbal_ptrs; struct qdio_buffer **out_sbal_ptrs; int i, j, k; int rc; QETH_DBF_TEXT(setup, 2, "qdioest"); qib_param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char), GFP_KERNEL); if (!qib_param_field) return -ENOMEM; memset(qib_param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char)); qeth_create_qib_param_field(card, qib_param_field); qeth_create_qib_param_field_blkt(card, qib_param_field); in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *), GFP_KERNEL); if (!in_sbal_ptrs) { kfree(qib_param_field); return -ENOMEM; } for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) in_sbal_ptrs[i] = (struct qdio_buffer *) virt_to_phys(card->qdio.in_q->bufs[i].buffer); out_sbal_ptrs = kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q * sizeof(void *), GFP_KERNEL); if (!out_sbal_ptrs) { kfree(in_sbal_ptrs); kfree(qib_param_field); return -ENOMEM; } for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i) for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){ out_sbal_ptrs[k] = (struct qdio_buffer *) virt_to_phys(card->qdio.out_qs[i]-> bufs[j].buffer); } memset(&init_data, 0, sizeof(struct qdio_initialize)); init_data.cdev = CARD_DDEV(card); init_data.q_format = qeth_get_qdio_q_format(card); init_data.qib_param_field_format = 0; init_data.qib_param_field = qib_param_field; init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD; init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD; init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD; init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD; init_data.no_input_qs = 1; init_data.no_output_qs = card->qdio.no_out_queues; init_data.input_handler = (qdio_handler_t *) qeth_qdio_input_handler; init_data.output_handler = (qdio_handler_t *) qeth_qdio_output_handler; init_data.int_parm = (unsigned long) card; init_data.flags = QDIO_INBOUND_0COPY_SBALS | QDIO_OUTBOUND_0COPY_SBALS | QDIO_USE_OUTBOUND_PCIS; init_data.input_sbal_addr_array = (void **) in_sbal_ptrs; init_data.output_sbal_addr_array = (void **) out_sbal_ptrs; if (!(rc = qdio_initialize(&init_data))) card->qdio.state = QETH_QDIO_ESTABLISHED; kfree(out_sbal_ptrs); kfree(in_sbal_ptrs); kfree(qib_param_field); return rc; } static int qeth_qdio_activate(struct qeth_card *card) { QETH_DBF_TEXT(setup,3,"qdioact"); return qdio_activate(CARD_DDEV(card), 0); } static int qeth_clear_channel(struct qeth_channel *channel) { unsigned long flags; struct qeth_card *card; int rc; QETH_DBF_TEXT(trace,3,"clearch"); card = CARD_FROM_CDEV(channel->ccwdev); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) return rc; rc = wait_event_interruptible_timeout(card->wait_q, channel->state==CH_STATE_STOPPED, QETH_TIMEOUT); if (rc == -ERESTARTSYS) return rc; if (channel->state != CH_STATE_STOPPED) return -ETIME; channel->state = CH_STATE_DOWN; return 0; } static int qeth_halt_channel(struct qeth_channel *channel) { unsigned long flags; struct qeth_card *card; int rc; QETH_DBF_TEXT(trace,3,"haltch"); card = CARD_FROM_CDEV(channel->ccwdev); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) return rc; rc = wait_event_interruptible_timeout(card->wait_q, channel->state==CH_STATE_HALTED, QETH_TIMEOUT); if (rc == -ERESTARTSYS) return rc; if (channel->state != CH_STATE_HALTED) return -ETIME; return 0; } static int qeth_halt_channels(struct qeth_card *card) { int rc1 = 0, rc2=0, rc3 = 0; QETH_DBF_TEXT(trace,3,"haltchs"); rc1 = qeth_halt_channel(&card->read); rc2 = qeth_halt_channel(&card->write); rc3 = qeth_halt_channel(&card->data); if (rc1) return rc1; if (rc2) return rc2; return rc3; } static int qeth_clear_channels(struct qeth_card *card) { int rc1 = 0, rc2=0, rc3 = 0; QETH_DBF_TEXT(trace,3,"clearchs"); rc1 = qeth_clear_channel(&card->read); rc2 = qeth_clear_channel(&card->write); rc3 = qeth_clear_channel(&card->data); if (rc1) return rc1; if (rc2) return rc2; return rc3; } static int qeth_clear_halt_card(struct qeth_card *card, int halt) { int rc = 0; QETH_DBF_TEXT(trace,3,"clhacrd"); QETH_DBF_HEX(trace, 3, &card, sizeof(void *)); if (halt) rc = qeth_halt_channels(card); if (rc) return rc; return qeth_clear_channels(card); } static int qeth_qdio_clear_card(struct qeth_card *card, int use_halt) { int rc = 0; QETH_DBF_TEXT(trace,3,"qdioclr"); if (card->qdio.state == QETH_QDIO_ESTABLISHED){ if ((rc = qdio_cleanup(CARD_DDEV(card), (card->info.type == QETH_CARD_TYPE_IQD) ? QDIO_FLAG_CLEANUP_USING_HALT : QDIO_FLAG_CLEANUP_USING_CLEAR))) QETH_DBF_TEXT_(trace, 3, "1err%d", rc); card->qdio.state = QETH_QDIO_ALLOCATED; } if ((rc = qeth_clear_halt_card(card, use_halt))) QETH_DBF_TEXT_(trace, 3, "2err%d", rc); card->state = CARD_STATE_DOWN; return rc; } static int qeth_dm_act(struct qeth_card *card) { int rc; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(setup,2,"dmact"); iob = qeth_wait_for_buffer(&card->write); memcpy(iob->data, DM_ACT, DM_ACT_SIZE); memcpy(QETH_DM_ACT_DEST_ADDR(iob->data), &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data), &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL); return rc; } static int qeth_mpc_initialize(struct qeth_card *card) { int rc; QETH_DBF_TEXT(setup,2,"mpcinit"); if ((rc = qeth_issue_next_read(card))){ QETH_DBF_TEXT_(setup, 2, "1err%d", rc); return rc; } if ((rc = qeth_cm_enable(card))){ QETH_DBF_TEXT_(setup, 2, "2err%d", rc); goto out_qdio; } if ((rc = qeth_cm_setup(card))){ QETH_DBF_TEXT_(setup, 2, "3err%d", rc); goto out_qdio; } if ((rc = qeth_ulp_enable(card))){ QETH_DBF_TEXT_(setup, 2, "4err%d", rc); goto out_qdio; } if ((rc = qeth_ulp_setup(card))){ QETH_DBF_TEXT_(setup, 2, "5err%d", rc); goto out_qdio; } if ((rc = qeth_alloc_qdio_buffers(card))){ QETH_DBF_TEXT_(setup, 2, "5err%d", rc); goto out_qdio; } if ((rc = qeth_qdio_establish(card))){ QETH_DBF_TEXT_(setup, 2, "6err%d", rc); qeth_free_qdio_buffers(card); goto out_qdio; } if ((rc = qeth_qdio_activate(card))){ QETH_DBF_TEXT_(setup, 2, "7err%d", rc); goto out_qdio; } if ((rc = qeth_dm_act(card))){ QETH_DBF_TEXT_(setup, 2, "8err%d", rc); goto out_qdio; } return 0; out_qdio: qeth_qdio_clear_card(card, card->info.type==QETH_CARD_TYPE_OSAE); return rc; } static struct net_device * qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype) { struct net_device *dev = NULL; switch (type) { case QETH_CARD_TYPE_OSAE: switch (linktype) { case QETH_LINK_TYPE_LANE_TR: case QETH_LINK_TYPE_HSTR: #ifdef CONFIG_TR dev = alloc_trdev(0); #endif /* CONFIG_TR */ break; default: dev = alloc_etherdev(0); } break; case QETH_CARD_TYPE_IQD: dev = alloc_netdev(0, "hsi%d", ether_setup); break; default: dev = alloc_etherdev(0); } return dev; } /*hard_header fake function; used in case fake_ll is set */ static int qeth_fake_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, void *daddr, void *saddr, unsigned len) { if(dev->type == ARPHRD_IEEE802_TR){ struct trh_hdr *hdr; hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR); memcpy(hdr->saddr, dev->dev_addr, TR_ALEN); memcpy(hdr->daddr, "FAKELL", TR_ALEN); return QETH_FAKE_LL_LEN_TR; } else { struct ethhdr *hdr; hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH); memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN); memcpy(hdr->h_dest, "FAKELL", ETH_ALEN); if (type != ETH_P_802_3) hdr->h_proto = htons(type); else hdr->h_proto = htons(len); return QETH_FAKE_LL_LEN_ETH; } } static inline int qeth_send_packet(struct qeth_card *, struct sk_buff *); static int qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) { int rc; struct qeth_card *card; QETH_DBF_TEXT(trace, 6, "hrdstxmi"); card = (struct qeth_card *)dev->priv; if (skb==NULL) { card->stats.tx_dropped++; card->stats.tx_errors++; /* return OK; otherwise ksoftirqd goes to 100% */ return NETDEV_TX_OK; } if ((card->state != CARD_STATE_UP) || !card->lan_online) { card->stats.tx_dropped++; card->stats.tx_errors++; card->stats.tx_carrier_errors++; dev_kfree_skb_any(skb); /* return OK; otherwise ksoftirqd goes to 100% */ return NETDEV_TX_OK; } #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.outbound_cnt++; card->perf_stats.outbound_start_time = qeth_get_micros(); #endif netif_stop_queue(dev); if ((rc = qeth_send_packet(card, skb))) { if (rc == -EBUSY) { return NETDEV_TX_BUSY; } else { card->stats.tx_errors++; card->stats.tx_dropped++; dev_kfree_skb_any(skb); /*set to OK; otherwise ksoftirqd goes to 100% */ rc = NETDEV_TX_OK; } } netif_wake_queue(dev); #ifdef CONFIG_QETH_PERF_STATS card->perf_stats.outbound_time += qeth_get_micros() - card->perf_stats.outbound_start_time; #endif return rc; } static int qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card) { int rc = 0; #ifdef CONFIG_QETH_VLAN struct vlan_group *vg; int i; if (!(vg = card->vlangrp)) return rc; for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){ if (vg->vlan_devices[i] == dev){ rc = QETH_VLAN_CARD; break; } } #endif return rc; } static int qeth_verify_dev(struct net_device *dev) { struct qeth_card *card; unsigned long flags; int rc = 0; read_lock_irqsave(&qeth_card_list.rwlock, flags); list_for_each_entry(card, &qeth_card_list.list, list){ if (card->dev == dev){ rc = QETH_REAL_CARD; break; } rc = qeth_verify_vlan_dev(dev, card); if (rc) break; } read_unlock_irqrestore(&qeth_card_list.rwlock, flags); return rc; } static struct qeth_card * qeth_get_card_from_dev(struct net_device *dev) { struct qeth_card *card = NULL; int rc; rc = qeth_verify_dev(dev); if (rc == QETH_REAL_CARD) card = (struct qeth_card *)dev->priv; else if (rc == QETH_VLAN_CARD) card = (struct qeth_card *) VLAN_DEV_INFO(dev)->real_dev->priv; QETH_DBF_TEXT_(trace, 4, "%d", rc); return card ; } static void qeth_tx_timeout(struct net_device *dev) { struct qeth_card *card; card = (struct qeth_card *) dev->priv; card->stats.tx_errors++; qeth_schedule_recovery(card); } static int qeth_open(struct net_device *dev) { struct qeth_card *card; QETH_DBF_TEXT(trace, 4, "qethopen"); card = (struct qeth_card *) dev->priv; if (card->state != CARD_STATE_SOFTSETUP) return -ENODEV; if ( (card->options.layer2) && (!card->info.layer2_mac_registered)) { QETH_DBF_TEXT(trace,4,"nomacadr"); return -EPERM; } card->dev->flags |= IFF_UP; netif_start_queue(dev); card->data.state = CH_STATE_UP; card->state = CARD_STATE_UP; if (!card->lan_online){ if (netif_carrier_ok(dev)) netif_carrier_off(dev); } return 0; } static int qeth_stop(struct net_device *dev) { struct qeth_card *card; QETH_DBF_TEXT(trace, 4, "qethstop"); card = (struct qeth_card *) dev->priv; netif_stop_queue(dev); card->dev->flags &= ~IFF_UP; if (card->state == CARD_STATE_UP) card->state = CARD_STATE_SOFTSETUP; return 0; } static inline int qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) { int cast_type = RTN_UNSPEC; if (skb->dst && skb->dst->neighbour){ cast_type = skb->dst->neighbour->type; if ((cast_type == RTN_BROADCAST) || (cast_type == RTN_MULTICAST) || (cast_type == RTN_ANYCAST)) return cast_type; else return RTN_UNSPEC; } /* try something else */ if (skb->protocol == ETH_P_IPV6) return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0; else if (skb->protocol == ETH_P_IP) return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0; /* ... */ if (!memcmp(skb->data, skb->dev->broadcast, 6)) return RTN_BROADCAST; else { u16 hdr_mac; hdr_mac = *((u16 *)skb->data); /* tr multicast? */ switch (card->info.link_type) { case QETH_LINK_TYPE_HSTR: case QETH_LINK_TYPE_LANE_TR: if ((hdr_mac == QETH_TR_MAC_NC) || (hdr_mac == QETH_TR_MAC_C)) return RTN_MULTICAST; /* eth or so multicast? */ default: if ((hdr_mac == QETH_ETH_MAC_V4) || (hdr_mac == QETH_ETH_MAC_V6)) return RTN_MULTICAST; } } return cast_type; } static inline int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, int ipv, int cast_type) { if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE)) return card->qdio.default_out_queue; switch (card->qdio.no_out_queues) { case 4: if (cast_type && card->info.is_multicast_different) return card->info.is_multicast_different & (card->qdio.no_out_queues - 1); if (card->qdio.do_prio_queueing && (ipv == 4)) { if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){ if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT) return 3; if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY) return 2; if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT) return 1; if (skb->nh.iph->tos & IP_TOS_LOWDELAY) return 0; } if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC) return 3 - (skb->nh.iph->tos >> 6); } else if (card->qdio.do_prio_queueing && (ipv == 6)) { /* TODO: IPv6!!! */ } return card->qdio.default_out_queue; case 1: /* fallthrough for single-out-queue 1920-device */ default: return card->qdio.default_out_queue; } } 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; } } static inline int qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb, struct qeth_hdr **hdr, int ipv) { int rc; #ifdef CONFIG_QETH_VLAN u16 *tag; #endif QETH_DBF_TEXT(trace, 6, "prepskb"); rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr)); if (rc) return rc; #ifdef CONFIG_QETH_VLAN if (card->vlangrp && vlan_tx_tag_present(*skb) && ((ipv == 6) || card->options.layer2) ) { /* * Move the mac addresses (6 bytes src, 6 bytes dest) * to the beginning of the new header. We are using three * memcpys instead of one memmove to save cycles. */ skb_push(*skb, VLAN_HLEN); memcpy((*skb)->data, (*skb)->data + 4, 4); memcpy((*skb)->data + 4, (*skb)->data + 8, 4); memcpy((*skb)->data + 8, (*skb)->data + 12, 4); tag = (u16 *)((*skb)->data + 12); /* * first two bytes = ETH_P_8021Q (0x8100) * second two bytes = VLANID */ *tag = __constant_htons(ETH_P_8021Q); *(tag + 1) = htons(vlan_tx_tag_get(*skb)); } #endif *hdr = (struct qeth_hdr *) qeth_push_skb(card, skb, sizeof(struct qeth_hdr)); if (hdr == NULL) return -EINVAL; return 0; } static inline u8 qeth_get_qeth_hdr_flags4(int cast_type) { if (cast_type == RTN_MULTICAST) return QETH_CAST_MULTICAST; if (cast_type == RTN_BROADCAST) return QETH_CAST_BROADCAST; return QETH_CAST_UNICAST; } static inline u8 qeth_get_qeth_hdr_flags6(int cast_type) { u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; if (cast_type == RTN_MULTICAST) return ct | QETH_CAST_MULTICAST; if (cast_type == RTN_ANYCAST) return ct | QETH_CAST_ANYCAST; if (cast_type == RTN_BROADCAST) return ct | QETH_CAST_BROADCAST; return ct | QETH_CAST_UNICAST; } static inline void qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr, struct sk_buff *skb) { __u16 hdr_mac; if (!memcmp(skb->data+QETH_HEADER_SIZE, skb->dev->broadcast,6)) { /* broadcast? */ *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8; return; } hdr_mac=*((__u16*)skb->data); /* tr multicast? */ switch (card->info.link_type) { case QETH_LINK_TYPE_HSTR: case QETH_LINK_TYPE_LANE_TR: if ((hdr_mac == QETH_TR_MAC_NC) || (hdr_mac == QETH_TR_MAC_C) ) *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8; else *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_UNICAST << 8; break; /* eth or so multicast? */ default: if ( (hdr_mac==QETH_ETH_MAC_V4) || (hdr_mac==QETH_ETH_MAC_V6) ) *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8; else *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_UNICAST << 8; } } static inline void qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct sk_buff *skb, int cast_type) { memset(hdr, 0, sizeof(struct qeth_hdr)); hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; /* set byte 0 to "0x02" and byte 3 to casting flags */ if (cast_type==RTN_MULTICAST) *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8; else if (cast_type==RTN_BROADCAST) *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8; else qeth_layer2_get_packet_type(card, hdr, skb); hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; #ifdef CONFIG_QETH_VLAN /* VSWITCH relies on the VLAN * information to be present in * the QDIO header */ if ((card->vlangrp != NULL) && vlan_tx_tag_present(skb)) { *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8; hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb); } #endif } void qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct sk_buff *skb, int ipv, int cast_type) { QETH_DBF_TEXT(trace, 6, "fillhdr"); memset(hdr, 0, sizeof(struct qeth_hdr)); if (card->options.layer2) { qeth_layer2_fill_header(card, hdr, skb, cast_type); return; } hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; hdr->hdr.l3.ext_flags = 0; #ifdef CONFIG_QETH_VLAN /* * before we're going to overwrite this location with next hop ip. * v6 uses passthrough, v4 sets the tag in the QDIO header. */ if (card->vlangrp && vlan_tx_tag_present(skb)) { hdr->hdr.l3.ext_flags = (ipv == 4) ? QETH_HDR_EXT_VLAN_FRAME : QETH_HDR_EXT_INCLUDE_VLAN_TAG; hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); } #endif /* CONFIG_QETH_VLAN */ hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); if (ipv == 4) { /* IPv4 */ hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type); memset(hdr->hdr.l3.dest_addr, 0, 12); if ((skb->dst) && (skb->dst->neighbour)) { *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = *((u32 *) skb->dst->neighbour->primary_key); } else { /* fill in destination address used in ip header */ *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr; } } else if (ipv == 6) { /* IPv6 or passthru */ hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type); if ((skb->dst) && (skb->dst->neighbour)) { memcpy(hdr->hdr.l3.dest_addr, skb->dst->neighbour->primary_key, 16); } else { /* fill in destination address used in ip header */ memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16); } } else { /* passthrough */ if((skb->dev->type == ARPHRD_IEEE802_TR) && !memcmp(skb->data + sizeof(struct qeth_hdr) + sizeof(__u16), skb->dev->broadcast, 6)) { hdr->hdr.l3.flags = QETH_CAST_BROADCAST | QETH_HDR_PASSTHRU; } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), skb->dev->broadcast, 6)) { /* broadcast? */ hdr->hdr.l3.flags = QETH_CAST_BROADCAST | QETH_HDR_PASSTHRU; } else { hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; } } } static inline void __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill) { int length = skb->len; int length_here; int element; char *data; int first_lap ; element = *next_element_to_fill; data = skb->data; first_lap = (is_tso == 0 ? 1 : 0); while (length > 0) { /* length_here is the remaining amount of data in this page */ length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); if (length < length_here) length_here = length; buffer->element[element].addr = data; buffer->element[element].length = length_here; length -= length_here; if (!length) { if (first_lap) buffer->element[element].flags = 0; else buffer->element[element].flags = SBAL_FLAGS_LAST_FRAG; } else { if (first_lap) buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG; else buffer->element[element].flags = SBAL_FLAGS_MIDDLE_FRAG; } data += length_here; element++; first_lap = 0; } *next_element_to_fill = element; } static inline int qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf, struct sk_buff *skb) { struct qdio_buffer *buffer; struct qeth_hdr_tso *hdr; int flush_cnt = 0, hdr_len, large_send = 0; QETH_DBF_TEXT(trace, 6, "qdfillbf"); buffer = buf->buffer; atomic_inc(&skb->users); skb_queue_tail(&buf->skb_list, skb); hdr = (struct qeth_hdr_tso *) skb->data; /*check first on TSO ....*/ if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) { int element = buf->next_element_to_fill; hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len; /*fill first buffer entry only with header information */ buffer->element[element].addr = skb->data; buffer->element[element].length = hdr_len; buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG; buf->next_element_to_fill++; skb->data += hdr_len; skb->len -= hdr_len; large_send = 1; } if (skb_shinfo(skb)->nr_frags == 0) __qeth_fill_buffer(skb, buffer, large_send, (int *)&buf->next_element_to_fill); else __qeth_fill_buffer_frag(skb, buffer, large_send, (int *)&buf->next_element_to_fill); if (!queue->do_pack) { QETH_DBF_TEXT(trace, 6, "fillbfnp"); /* set state to PRIMED -> will be flushed */ atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); flush_cnt = 1; } else { QETH_DBF_TEXT(trace, 6, "fillbfpa"); #ifdef CONFIG_QETH_PERF_STATS queue->card->perf_stats.skbs_sent_pack++; #endif 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 = 1; } } return flush_cnt; } static inline int qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue, struct sk_buff *skb, struct qeth_hdr *hdr, int elements_needed, struct qeth_eddp_context *ctx) { struct qeth_qdio_out_buffer *buffer; int buffers_needed = 0; int flush_cnt = 0; int index; QETH_DBF_TEXT(trace, 6, "dosndpfa"); /* spin until we get the queue ... */ while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED, QETH_OUT_Q_LOCKED, &queue->state)); /* ... now we've got the queue */ index = queue->next_buf_to_fill; buffer = &queue->bufs[queue->next_buf_to_fill]; /* * check if buffer is empty to make sure that we do not 'overtake' * ourselves and try to fill a buffer that is already primed */ if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) { card->stats.tx_dropped++; atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); return -EBUSY; } if (ctx == NULL) queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; else { buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx); if (buffers_needed < 0) { card->stats.tx_dropped++; atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); return -EBUSY; } queue->next_buf_to_fill = (queue->next_buf_to_fill + buffers_needed) % QDIO_MAX_BUFFERS_PER_Q; } atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); if (ctx == NULL) { qeth_fill_buffer(queue, buffer, skb); qeth_flush_buffers(queue, 0, index, 1); } else { flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index); WARN_ON(buffers_needed != flush_cnt); qeth_flush_buffers(queue, 0, index, flush_cnt); } return 0; } static inline int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, struct sk_buff *skb, struct qeth_hdr *hdr, int elements_needed, struct qeth_eddp_context *ctx) { struct qeth_qdio_out_buffer *buffer; int start_index; int flush_count = 0; int do_pack = 0; int tmp; int rc = 0; QETH_DBF_TEXT(trace, 6, "dosndpkt"); /* spin until we get the queue ... */ while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED, QETH_OUT_Q_LOCKED, &queue->state)); start_index = queue->next_buf_to_fill; buffer = &queue->bufs[queue->next_buf_to_fill]; /* * check if buffer is empty to make sure that we do not 'overtake' * ourselves and try to fill a buffer that is already primed */ if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){ card->stats.tx_dropped++; atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); return -EBUSY; } /* check if we need to switch packing state of this queue */ qeth_switch_to_packing_if_needed(queue); if (queue->do_pack){ do_pack = 1; if (ctx == NULL) { /* does packet fit in current buffer? */ if((QETH_MAX_BUFFER_ELEMENTS(card) - buffer->next_element_to_fill) < elements_needed){ /* ... no -> set state PRIMED */ atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED); flush_count++; queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; buffer = &queue->bufs[queue->next_buf_to_fill]; /* we did a step forward, so check buffer state * again */ if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){ card->stats.tx_dropped++; qeth_flush_buffers(queue, 0, start_index, flush_count); atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); return -EBUSY; } } } else { /* check if we have enough elements (including following * free buffers) to handle eddp context */ if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){ printk("eddp tx_dropped 1\n"); card->stats.tx_dropped++; rc = -EBUSY; goto out; } } } if (ctx == NULL) tmp = qeth_fill_buffer(queue, buffer, skb); else { tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill); if (tmp < 0) { printk("eddp tx_dropped 2\n"); card->stats.tx_dropped++; rc = - EBUSY; goto out; } } queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) % QDIO_MAX_BUFFERS_PER_Q; flush_count += tmp; out: if (flush_count) qeth_flush_buffers(queue, 0, start_index, flush_count); /* * queue->state will go from LOCKED -> UNLOCKED or from * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us * (switch packing state or flush buffer to get another pci flag out). * In that case we will enter this loop */ while (atomic_dec_return(&queue->state)){ flush_count = 0; start_index = queue->next_buf_to_fill; /* check if we can go back to non-packing state */ flush_count += qeth_switch_to_nonpacking_if_needed(queue); /* * check if we need to flush a packing buffer to get a pci * flag out on the queue */ if (!flush_count && !atomic_read(&queue->set_pci_flags_count)) flush_count += qeth_flush_buffers_on_no_pci(queue); if (flush_count) qeth_flush_buffers(queue, 0, start_index, flush_count); } /* at this point the queue is UNLOCKED again */ #ifdef CONFIG_QETH_PERF_STATS if (do_pack) queue->card->perf_stats.bufs_sent_pack += flush_count; #endif /* CONFIG_QETH_PERF_STATS */ return rc; } static inline int qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb, int elems) { int elements_needed = 0; if (skb_shinfo(skb)->nr_frags > 0) { elements_needed = (skb_shinfo(skb)->nr_frags + 1); } if (elements_needed == 0 ) elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) + skb->len) >> PAGE_SHIFT); if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){ PRINT_ERR("qeth_do_send_packet: invalid size of " "IP packet (Number=%d / Length=%d). Discarded.\n", (elements_needed+elems), skb->len); return 0; } return elements_needed; } static inline int qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) { int ipv = 0; int cast_type; struct qeth_qdio_out_q *queue; struct qeth_hdr *hdr = NULL; int elements_needed = 0; enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO; struct qeth_eddp_context *ctx = NULL; int rc; QETH_DBF_TEXT(trace, 6, "sendpkt"); if (!card->options.layer2) { ipv = qeth_get_ip_version(skb); if ((card->dev->hard_header == qeth_fake_header) && ipv) { if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) { card->stats.tx_dropped++; dev_kfree_skb_irq(skb); return 0; } if(card->dev->type == ARPHRD_IEEE802_TR){ skb_pull(skb, QETH_FAKE_LL_LEN_TR); } else { skb_pull(skb, QETH_FAKE_LL_LEN_ETH); } } } cast_type = qeth_get_cast_type(card, skb); if ((cast_type == RTN_BROADCAST) && (card->info.broadcast_capable == 0)){ card->stats.tx_dropped++; card->stats.tx_errors++; dev_kfree_skb_any(skb); return NETDEV_TX_OK; } queue = card->qdio.out_qs [qeth_get_priority_queue(card, skb, ipv, cast_type)]; if (skb_shinfo(skb)->tso_size) large_send = card->options.large_send; /*are we able to do TSO ? If so ,prepare and send it from here */ if ((large_send == QETH_LARGE_SEND_TSO) && (cast_type == RTN_UNSPEC)) { rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type); if (rc) { card->stats.tx_dropped++; card->stats.tx_errors++; dev_kfree_skb_any(skb); return NETDEV_TX_OK; } elements_needed++; } else { if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) { QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc); return rc; } qeth_fill_header(card, hdr, skb, ipv, cast_type); } if (large_send == QETH_LARGE_SEND_EDDP) { ctx = qeth_eddp_create_context(card, skb, hdr); if (ctx == NULL) { PRINT_WARN("could not create eddp context\n"); return -EINVAL; } } else { int elems = qeth_get_elements_no(card,(void*) hdr, skb, elements_needed); if (!elems) return -EINVAL; elements_needed += elems; } if (card->info.type != QETH_CARD_TYPE_IQD) rc = qeth_do_send_packet(card, queue, skb, hdr, elements_needed, ctx); else rc = qeth_do_send_packet_fast(card, queue, skb, hdr, elements_needed, ctx); if (!rc){ card->stats.tx_packets++; card->stats.tx_bytes += skb->len; #ifdef CONFIG_QETH_PERF_STATS if (skb_shinfo(skb)->tso_size && !(large_send == QETH_LARGE_SEND_NO)) { card->perf_stats.large_send_bytes += skb->len; card->perf_stats.large_send_cnt++; } if (skb_shinfo(skb)->nr_frags > 0){ card->perf_stats.sg_skbs_sent++; /* nr_frags + skb->data */ card->perf_stats.sg_frags_sent += skb_shinfo(skb)->nr_frags + 1; } #endif /* CONFIG_QETH_PERF_STATS */ } if (ctx != NULL) { /* drop creator's reference */ qeth_eddp_put_context(ctx); /* free skb; it's not referenced by a buffer */ if (rc == 0) dev_kfree_skb_any(skb); } return rc; } static int qeth_mdio_read(struct net_device *dev, int phy_id, int regnum) { struct qeth_card *card = (struct qeth_card *) dev->priv; int rc = 0; switch(regnum){ case MII_BMCR: /* Basic mode control register */ rc = BMCR_FULLDPLX; if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&& (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH)) rc |= BMCR_SPEED100; break; case MII_BMSR: /* Basic mode status register */ rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS | BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL | BMSR_100BASE4; break; case MII_PHYSID1: /* PHYS ID 1 */ rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) | dev->dev_addr[2]; rc = (rc >> 5) & 0xFFFF; break; case MII_PHYSID2: /* PHYS ID 2 */ rc = (dev->dev_addr[2] << 10) & 0xFFFF; break; case MII_ADVERTISE: /* Advertisement control reg */ rc = ADVERTISE_ALL; break; case MII_LPA: /* Link partner ability reg */ rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL | LPA_100BASE4 | LPA_LPACK; break; case MII_EXPANSION: /* Expansion register */ break; case MII_DCOUNTER: /* disconnect counter */ break; case MII_FCSCOUNTER: /* false carrier counter */ break; case MII_NWAYTEST: /* N-way auto-neg test register */ break; case MII_RERRCOUNTER: /* rx error counter */ rc = card->stats.rx_errors; break; case MII_SREVISION: /* silicon revision */ break; case MII_RESV1: /* reserved 1 */ break; case MII_LBRERROR: /* loopback, rx, bypass error */ break; case MII_PHYADDR: /* physical address */ break; case MII_RESV2: /* reserved 2 */ break; case MII_TPISTATUS: /* TPI status for 10mbps */ break; case MII_NCONFIG: /* network interface config */ break; default: rc = 0; break; } return rc; } static void qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value) { switch(regnum){ case MII_BMCR: /* Basic mode control register */ case MII_BMSR: /* Basic mode status register */ case MII_PHYSID1: /* PHYS ID 1 */ case MII_PHYSID2: /* PHYS ID 2 */ case MII_ADVERTISE: /* Advertisement control reg */ case MII_LPA: /* Link partner ability reg */ case MII_EXPANSION: /* Expansion register */ case MII_DCOUNTER: /* disconnect counter */ case MII_FCSCOUNTER: /* false carrier counter */ case MII_NWAYTEST: /* N-way auto-neg test register */ case MII_RERRCOUNTER: /* rx error counter */ case MII_SREVISION: /* silicon revision */ case MII_RESV1: /* reserved 1 */ case MII_LBRERROR: /* loopback, rx, bypass error */ case MII_PHYADDR: /* physical address */ case MII_RESV2: /* reserved 2 */ case MII_TPISTATUS: /* TPI status for 10mbps */ case MII_NCONFIG: /* network interface config */ default: break; } } static inline const char * qeth_arp_get_error_cause(int *rc) { switch (*rc) { case QETH_IPA_ARP_RC_FAILED: *rc = -EIO; return "operation failed"; case QETH_IPA_ARP_RC_NOTSUPP: *rc = -EOPNOTSUPP; return "operation not supported"; case QETH_IPA_ARP_RC_OUT_OF_RANGE: *rc = -EINVAL; return "argument out of range"; case QETH_IPA_ARP_RC_Q_NOTSUPP: *rc = -EOPNOTSUPP; return "query operation not supported"; case QETH_IPA_ARP_RC_Q_NO_DATA: *rc = -ENOENT; return "no query data available"; default: return "unknown error"; } } static int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, __u16, long); static int qeth_arp_set_no_entries(struct qeth_card *card, int no_entries) { int tmp; int rc; QETH_DBF_TEXT(trace,3,"arpstnoe"); /* * currently GuestLAN only supports the ARP assist function * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; * thus we say EOPNOTSUPP for this ARP function */ if (card->info.guestlan) return -EOPNOTSUPP; if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { PRINT_WARN("ARP processing not supported " "on %s!\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, IPA_CMD_ASS_ARP_SET_NO_ENTRIES, no_entries); if (rc) { tmp = rc; PRINT_WARN("Could not set number of ARP entries on %s: " "%s (0x%x/%d)\n", QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), tmp, tmp); } return rc; } static inline void qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo, struct qeth_arp_query_data *qdata, int entry_size, int uentry_size) { char *entry_ptr; char *uentry_ptr; int i; entry_ptr = (char *)&qdata->data; uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset); for (i = 0; i < qdata->no_entries; ++i){ /* strip off 32 bytes "media specific information" */ memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32); entry_ptr += entry_size; uentry_ptr += uentry_size; } } static int qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; struct qeth_arp_query_data *qdata; struct qeth_arp_query_info *qinfo; int entry_size; int uentry_size; int i; QETH_DBF_TEXT(trace,4,"arpquecb"); qinfo = (struct qeth_arp_query_info *) reply->param; cmd = (struct qeth_ipa_cmd *) data; if (cmd->hdr.return_code) { QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code); return 0; } if (cmd->data.setassparms.hdr.return_code) { cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code); return 0; } qdata = &cmd->data.setassparms.data.query_arp; switch(qdata->reply_bits){ case 5: uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5); if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) uentry_size = sizeof(struct qeth_arp_qi_entry5_short); break; case 7: /* fall through to default */ default: /* tr is the same as eth -> entry7 */ uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7); if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) uentry_size = sizeof(struct qeth_arp_qi_entry7_short); break; } /* check if there is enough room in userspace */ if ((qinfo->udata_len - qinfo->udata_offset) < qdata->no_entries * uentry_size){ QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM); cmd->hdr.return_code = -ENOMEM; PRINT_WARN("query ARP user space buffer is too small for " "the returned number of ARP entries. " "Aborting query!\n"); goto out_error; } QETH_DBF_TEXT_(trace, 4, "anore%i", cmd->data.setassparms.hdr.number_of_replies); QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no); QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries); if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) { /* strip off "media specific information" */ qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size, uentry_size); } else /*copy entries to user buffer*/ memcpy(qinfo->udata + qinfo->udata_offset, (char *)&qdata->data, qdata->no_entries*uentry_size); qinfo->no_entries += qdata->no_entries; qinfo->udata_offset += (qdata->no_entries*uentry_size); /* check if all replies received ... */ if (cmd->data.setassparms.hdr.seq_no < cmd->data.setassparms.hdr.number_of_replies) return 1; memcpy(qinfo->udata, &qinfo->no_entries, 4); /* keep STRIP_ENTRIES flag so the user program can distinguish * stripped entries from normal ones */ if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2); return 0; out_error: i = 0; memcpy(qinfo->udata, &i, 4); return 0; } static int qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, int len, int (*reply_cb)(struct qeth_card *, struct qeth_reply *, unsigned long), void *reply_param) { QETH_DBF_TEXT(trace,4,"sendarp"); memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, reply_cb, reply_param); } static int qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, int len, int (*reply_cb)(struct qeth_card *, struct qeth_reply *, unsigned long), void *reply_param) { u16 s1, s2; QETH_DBF_TEXT(trace,4,"sendsnmp"); memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); /* adjust PDU length fields in IPA_PDU_HEADER */ s1 = (u32) IPA_PDU_HEADER_SIZE + len; s2 = (u32) len; memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, reply_cb, reply_param); } static struct qeth_cmd_buffer * qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs, __u16, __u16, enum qeth_prot_versions); static int qeth_arp_query(struct qeth_card *card, char *udata) { struct qeth_cmd_buffer *iob; struct qeth_arp_query_info qinfo = {0, }; int tmp; int rc; QETH_DBF_TEXT(trace,3,"arpquery"); if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ IPA_ARP_PROCESSING)) { PRINT_WARN("ARP processing not supported " "on %s!\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } /* get size of userspace buffer and mask_bits -> 6 bytes */ if (copy_from_user(&qinfo, udata, 6)) return -EFAULT; if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))) return -ENOMEM; memset(qinfo.udata, 0, qinfo.udata_len); qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, IPA_CMD_ASS_ARP_QUERY_INFO, sizeof(int),QETH_PROT_IPV4); rc = qeth_send_ipa_arp_cmd(card, iob, QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, qeth_arp_query_cb, (void *)&qinfo); if (rc) { tmp = rc; PRINT_WARN("Error while querying ARP cache on %s: %s " "(0x%x/%d)\n", QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), tmp, tmp); copy_to_user(udata, qinfo.udata, 4); } else { copy_to_user(udata, qinfo.udata, qinfo.udata_len); } kfree(qinfo.udata); return rc; } /** * SNMP command callback */ static int qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long sdata) { struct qeth_ipa_cmd *cmd; struct qeth_arp_query_info *qinfo; struct qeth_snmp_cmd *snmp; unsigned char *data; __u16 data_len; QETH_DBF_TEXT(trace,3,"snpcmdcb"); cmd = (struct qeth_ipa_cmd *) sdata; data = (unsigned char *)((char *)cmd - reply->offset); qinfo = (struct qeth_arp_query_info *) reply->param; snmp = &cmd->data.setadapterparms.data.snmp; if (cmd->hdr.return_code) { QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code); return 0; } if (cmd->data.setadapterparms.hdr.return_code) { cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code); return 0; } data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data)); if (cmd->data.setadapterparms.hdr.seq_no == 1) data_len -= (__u16)((char *)&snmp->data - (char *)cmd); else data_len -= (__u16)((char*)&snmp->request - (char *)cmd); /* check if there is enough room in userspace */ if ((qinfo->udata_len - qinfo->udata_offset) < data_len) { QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM); cmd->hdr.return_code = -ENOMEM; return 0; } QETH_DBF_TEXT_(trace, 4, "snore%i", cmd->data.setadapterparms.hdr.used_total); QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no); /*copy entries to user buffer*/ if (cmd->data.setadapterparms.hdr.seq_no == 1) { memcpy(qinfo->udata + qinfo->udata_offset, (char *)snmp, data_len + offsetof(struct qeth_snmp_cmd,data)); qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data); } else { memcpy(qinfo->udata + qinfo->udata_offset, (char *)&snmp->request, data_len); } qinfo->udata_offset += data_len; /* check if all replies received ... */ QETH_DBF_TEXT_(trace, 4, "srtot%i", cmd->data.setadapterparms.hdr.used_total); QETH_DBF_TEXT_(trace, 4, "srseq%i", cmd->data.setadapterparms.hdr.seq_no); if (cmd->data.setadapterparms.hdr.seq_no < cmd->data.setadapterparms.hdr.used_total) return 1; return 0; } static struct qeth_cmd_buffer * qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds, enum qeth_prot_versions ); static struct qeth_cmd_buffer * qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen) { struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS, QETH_PROT_IPV4); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); cmd->data.setadapterparms.hdr.cmdlength = cmdlen; cmd->data.setadapterparms.hdr.command_code = command; cmd->data.setadapterparms.hdr.used_total = 1; cmd->data.setadapterparms.hdr.seq_no = 1; return iob; } /** * function to send SNMP commands to OSA-E card */ static int qeth_snmp_command(struct qeth_card *card, char *udata) { struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; struct qeth_snmp_ureq *ureq; int req_len; struct qeth_arp_query_info qinfo = {0, }; int rc = 0; QETH_DBF_TEXT(trace,3,"snmpcmd"); if (card->info.guestlan) return -EOPNOTSUPP; if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) && (!card->options.layer2) ) { PRINT_WARN("SNMP Query MIBS not supported " "on %s!\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } /* skip 4 bytes (data_len struct member) to get req_len */ if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int))) return -EFAULT; ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL); if (!ureq) { QETH_DBF_TEXT(trace, 2, "snmpnome"); return -ENOMEM; } if (copy_from_user(ureq, udata, req_len+sizeof(struct qeth_snmp_ureq_hdr))){ kfree(ureq); return -EFAULT; } qinfo.udata_len = ureq->hdr.data_len; if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){ kfree(ureq); return -ENOMEM; } memset(qinfo.udata, 0, qinfo.udata_len); qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr); iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL, QETH_SNMP_SETADP_CMDLENGTH + req_len); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len); rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len, qeth_snmp_command_cb, (void *)&qinfo); if (rc) PRINT_WARN("SNMP command failed on %s: (0x%x)\n", QETH_CARD_IFNAME(card), rc); else copy_to_user(udata, qinfo.udata, qinfo.udata_len); kfree(ureq); kfree(qinfo.udata); return rc; } static int qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); static int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, long, int (*reply_cb) (struct qeth_card *, struct qeth_reply *, unsigned long), void *reply_param); static int qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) { struct qeth_cmd_buffer *iob; char buf[16]; int tmp; int rc; QETH_DBF_TEXT(trace,3,"arpadent"); /* * currently GuestLAN only supports the ARP assist function * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; * thus we say EOPNOTSUPP for this ARP function */ if (card->info.guestlan) return -EOPNOTSUPP; if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { PRINT_WARN("ARP processing not supported " "on %s!\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, IPA_CMD_ASS_ARP_ADD_ENTRY, sizeof(struct qeth_arp_cache_entry), QETH_PROT_IPV4); rc = qeth_send_setassparms(card, iob, sizeof(struct qeth_arp_cache_entry), (unsigned long) entry, qeth_default_setassparms_cb, NULL); if (rc) { tmp = rc; qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf); PRINT_WARN("Could not add ARP entry for address %s on %s: " "%s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), tmp, tmp); } return rc; } static int qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) { struct qeth_cmd_buffer *iob; char buf[16] = {0, }; int tmp; int rc; QETH_DBF_TEXT(trace,3,"arprment"); /* * currently GuestLAN only supports the ARP assist function * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; * thus we say EOPNOTSUPP for this ARP function */ if (card->info.guestlan) return -EOPNOTSUPP; if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { PRINT_WARN("ARP processing not supported " "on %s!\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } memcpy(buf, entry, 12); iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, IPA_CMD_ASS_ARP_REMOVE_ENTRY, 12, QETH_PROT_IPV4); rc = qeth_send_setassparms(card, iob, 12, (unsigned long)buf, qeth_default_setassparms_cb, NULL); if (rc) { tmp = rc; memset(buf, 0, 16); qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf); PRINT_WARN("Could not delete ARP entry for address %s on %s: " "%s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), tmp, tmp); } return rc; } static int qeth_arp_flush_cache(struct qeth_card *card) { int rc; int tmp; QETH_DBF_TEXT(trace,3,"arpflush"); /* * currently GuestLAN only supports the ARP assist function * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; * thus we say EOPNOTSUPP for this ARP function */ if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) return -EOPNOTSUPP; if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { PRINT_WARN("ARP processing not supported " "on %s!\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); if (rc){ tmp = rc; PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), tmp, tmp); } return rc; } static int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct qeth_card *card = (struct qeth_card *)dev->priv; struct qeth_arp_cache_entry arp_entry; struct mii_ioctl_data *mii_data; int rc = 0; if (!card) return -ENODEV; if ((card->state != CARD_STATE_UP) && (card->state != CARD_STATE_SOFTSETUP)) return -ENODEV; switch (cmd){ case SIOC_QETH_ARP_SET_NO_ENTRIES: if ( !capable(CAP_NET_ADMIN) || (card->options.layer2) ) { rc = -EPERM; break; } rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); break; case SIOC_QETH_ARP_QUERY_INFO: if ( !capable(CAP_NET_ADMIN) || (card->options.layer2) ) { rc = -EPERM; break; } rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data); break; case SIOC_QETH_ARP_ADD_ENTRY: if ( !capable(CAP_NET_ADMIN) || (card->options.layer2) ) { rc = -EPERM; break; } if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, sizeof(struct qeth_arp_cache_entry))) rc = -EFAULT; else rc = qeth_arp_add_entry(card, &arp_entry); break; case SIOC_QETH_ARP_REMOVE_ENTRY: if ( !capable(CAP_NET_ADMIN) || (card->options.layer2) ) { rc = -EPERM; break; } if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, sizeof(struct qeth_arp_cache_entry))) rc = -EFAULT; else rc = qeth_arp_remove_entry(card, &arp_entry); break; case SIOC_QETH_ARP_FLUSH_CACHE: if ( !capable(CAP_NET_ADMIN) || (card->options.layer2) ) { rc = -EPERM; break; } rc = qeth_arp_flush_cache(card); break; case SIOC_QETH_ADP_SET_SNMP_CONTROL: rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); break; case SIOC_QETH_GET_CARD_TYPE: if ((card->info.type == QETH_CARD_TYPE_OSAE) && !card->info.guestlan) return 1; return 0; break; case SIOCGMIIPHY: mii_data = if_mii(rq); mii_data->phy_id = 0; break; case SIOCGMIIREG: mii_data = if_mii(rq); if (mii_data->phy_id != 0) rc = -EINVAL; else mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id, mii_data->reg_num); break; case SIOCSMIIREG: rc = -EOPNOTSUPP; break; /* TODO: remove return if qeth_mdio_write does something */ if (!capable(CAP_NET_ADMIN)){ rc = -EPERM; break; } mii_data = if_mii(rq); if (mii_data->phy_id != 0) rc = -EINVAL; else qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num, mii_data->val_in); break; default: rc = -EOPNOTSUPP; } if (rc) QETH_DBF_TEXT_(trace, 2, "ioce%d", rc); return rc; } static struct net_device_stats * qeth_get_stats(struct net_device *dev) { struct qeth_card *card; card = (struct qeth_card *) (dev->priv); QETH_DBF_TEXT(trace,5,"getstat"); return &card->stats; } static int qeth_change_mtu(struct net_device *dev, int new_mtu) { struct qeth_card *card; char dbf_text[15]; card = (struct qeth_card *) (dev->priv); QETH_DBF_TEXT(trace,4,"chgmtu"); sprintf(dbf_text, "%8x", new_mtu); QETH_DBF_TEXT(trace,4,dbf_text); if (new_mtu < 64) return -EINVAL; if (new_mtu > 65535) return -EINVAL; if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) && (!qeth_mtu_is_valid(card, new_mtu))) return -EINVAL; dev->mtu = new_mtu; return 0; } #ifdef CONFIG_QETH_VLAN static void qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) { struct qeth_card *card; unsigned long flags; QETH_DBF_TEXT(trace,4,"vlanreg"); card = (struct qeth_card *) dev->priv; spin_lock_irqsave(&card->vlanlock, flags); card->vlangrp = grp; spin_unlock_irqrestore(&card->vlanlock, flags); } static inline void qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf, unsigned short vid) { int i; struct sk_buff *skb; struct sk_buff_head tmp_list; skb_queue_head_init(&tmp_list); for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ while ((skb = skb_dequeue(&buf->skb_list))){ if (vlan_tx_tag_present(skb) && (vlan_tx_tag_get(skb) == vid)) { atomic_dec(&skb->users); dev_kfree_skb(skb); } else skb_queue_tail(&tmp_list, skb); } } while ((skb = skb_dequeue(&tmp_list))) skb_queue_tail(&buf->skb_list, skb); } static void qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid) { int i, j; QETH_DBF_TEXT(trace, 4, "frvlskbs"); for (i = 0; i < card->qdio.no_out_queues; ++i){ for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) qeth_free_vlan_buffer(card, &card->qdio. out_qs[i]->bufs[j], vid); } } static void qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid) { struct in_device *in_dev; struct in_ifaddr *ifa; struct qeth_ipaddr *addr; QETH_DBF_TEXT(trace, 4, "frvaddr4"); if (!card->vlangrp) return; rcu_read_lock(); in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]); if (!in_dev) goto out; for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { addr = qeth_get_addr_buffer(QETH_PROT_IPV4); if (addr){ addr->u.a4.addr = ifa->ifa_address; addr->u.a4.mask = ifa->ifa_mask; addr->type = QETH_IP_TYPE_NORMAL; if (!qeth_delete_ip(card, addr)) kfree(addr); } } out: rcu_read_unlock(); } static void qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid) { #ifdef CONFIG_QETH_IPV6 struct inet6_dev *in6_dev; struct inet6_ifaddr *ifa; struct qeth_ipaddr *addr; QETH_DBF_TEXT(trace, 4, "frvaddr6"); if (!card->vlangrp) return; in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]); if (!in6_dev) return; for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){ addr = qeth_get_addr_buffer(QETH_PROT_IPV6); if (addr){ memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); addr->u.a6.pfxlen = ifa->prefix_len; addr->type = QETH_IP_TYPE_NORMAL; if (!qeth_delete_ip(card, addr)) kfree(addr); } } in6_dev_put(in6_dev); #endif /* CONFIG_QETH_IPV6 */ } static void qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i, enum qeth_ipa_cmds ipacmd) { int rc; struct qeth_ipa_cmd *cmd; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd); iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); cmd->data.setdelvlan.vlan_id = i; rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); if (rc) { PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. " "Continuing\n",i, QETH_CARD_IFNAME(card), rc); QETH_DBF_TEXT_(trace, 2, "L2VL%4x", ipacmd); QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card)); QETH_DBF_TEXT_(trace, 2, "err%d", rc); } } static void qeth_layer2_process_vlans(struct qeth_card *card, int clear) { unsigned short i; QETH_DBF_TEXT(trace, 3, "L2prcvln"); if (!card->vlangrp) return; for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { if (card->vlangrp->vlan_devices[i] == NULL) continue; if (clear) qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN); else qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN); } } /*add_vid is layer 2 used only ....*/ static void qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) { struct qeth_card *card; QETH_DBF_TEXT_(trace, 4, "aid:%d", vid); card = (struct qeth_card *) dev->priv; if (!card->options.layer2) return; qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); } /*... kill_vid used for both modes*/ static void qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) { struct qeth_card *card; unsigned long flags; QETH_DBF_TEXT_(trace, 4, "kid:%d", vid); card = (struct qeth_card *) dev->priv; /* free all skbs for the vlan device */ qeth_free_vlan_skbs(card, vid); spin_lock_irqsave(&card->vlanlock, flags); /* unregister IP addresses of vlan device */ qeth_free_vlan_addresses4(card, vid); qeth_free_vlan_addresses6(card, vid); if (card->vlangrp) card->vlangrp->vlan_devices[vid] = NULL; spin_unlock_irqrestore(&card->vlanlock, flags); if (card->options.layer2) qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); qeth_set_multicast_list(card->dev); } #endif /** * set multicast address on card */ static void qeth_set_multicast_list(struct net_device *dev) { struct qeth_card *card = (struct qeth_card *) dev->priv; QETH_DBF_TEXT(trace,3,"setmulti"); qeth_delete_mc_addresses(card); qeth_add_multicast_ipv4(card); #ifdef CONFIG_QETH_IPV6 qeth_add_multicast_ipv6(card); #endif if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) schedule_work(&card->kernel_thread_starter); } static int qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np) { return 0; } static void qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev) { if (dev->type == ARPHRD_IEEE802_TR) ip_tr_mc_map(ipm, mac); else ip_eth_mc_map(ipm, mac); } static struct qeth_ipaddr * qeth_get_addr_buffer(enum qeth_prot_versions prot) { struct qeth_ipaddr *addr; addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); if (addr == NULL) { PRINT_WARN("Not enough memory to add address\n"); return NULL; } memset(addr,0,sizeof(struct qeth_ipaddr)); addr->type = QETH_IP_TYPE_NORMAL; addr->proto = prot; return addr; } static void qeth_delete_mc_addresses(struct qeth_card *card) { struct qeth_ipaddr *iptodo; unsigned long flags; QETH_DBF_TEXT(trace,4,"delmc"); iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4); if (!iptodo) { QETH_DBF_TEXT(trace, 2, "dmcnomem"); return; } iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; spin_lock_irqsave(&card->ip_lock, flags); if (!__qeth_insert_ip_todo(card, iptodo, 0)) kfree(iptodo); spin_unlock_irqrestore(&card->ip_lock, flags); } static inline void qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev) { struct qeth_ipaddr *ipm; struct ip_mc_list *im4; char buf[MAX_ADDR_LEN]; QETH_DBF_TEXT(trace,4,"addmc"); for (im4 = in4_dev->mc_list; im4; im4 = im4->next) { qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); ipm = qeth_get_addr_buffer(QETH_PROT_IPV4); if (!ipm) continue; ipm->u.a4.addr = im4->multiaddr; memcpy(ipm->mac,buf,OSA_ADDR_LEN); ipm->is_multicast = 1; if (!qeth_add_ip(card,ipm)) kfree(ipm); } } static inline void qeth_add_vlan_mc(struct qeth_card *card) { #ifdef CONFIG_QETH_VLAN struct in_device *in_dev; struct vlan_group *vg; int i; QETH_DBF_TEXT(trace,4,"addmcvl"); if ( ((card->options.layer2 == 0) && (!qeth_is_supported(card,IPA_FULL_VLAN))) || (card->vlangrp == NULL) ) return ; vg = card->vlangrp; for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { if (vg->vlan_devices[i] == NULL || !(vg->vlan_devices[i]->flags & IFF_UP)) continue; in_dev = in_dev_get(vg->vlan_devices[i]); if (!in_dev) continue; read_lock(&in_dev->mc_list_lock); qeth_add_mc(card,in_dev); read_unlock(&in_dev->mc_list_lock); in_dev_put(in_dev); } #endif } static void qeth_add_multicast_ipv4(struct qeth_card *card) { struct in_device *in4_dev; QETH_DBF_TEXT(trace,4,"chkmcv4"); in4_dev = in_dev_get(card->dev); if (in4_dev == NULL) return; read_lock(&in4_dev->mc_list_lock); qeth_add_mc(card, in4_dev); qeth_add_vlan_mc(card); read_unlock(&in4_dev->mc_list_lock); in_dev_put(in4_dev); } #ifdef CONFIG_QETH_IPV6 static inline void qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) { struct qeth_ipaddr *ipm; struct ifmcaddr6 *im6; char buf[MAX_ADDR_LEN]; QETH_DBF_TEXT(trace,4,"addmc6"); for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); ipm = qeth_get_addr_buffer(QETH_PROT_IPV6); if (!ipm) continue; ipm->is_multicast = 1; memcpy(ipm->mac,buf,OSA_ADDR_LEN); memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr, sizeof(struct in6_addr)); if (!qeth_add_ip(card,ipm)) kfree(ipm); } } static inline void qeth_add_vlan_mc6(struct qeth_card *card) { #ifdef CONFIG_QETH_VLAN struct inet6_dev *in_dev; struct vlan_group *vg; int i; QETH_DBF_TEXT(trace,4,"admc6vl"); if ( ((card->options.layer2 == 0) && (!qeth_is_supported(card,IPA_FULL_VLAN))) || (card->vlangrp == NULL)) return ; vg = card->vlangrp; for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { if (vg->vlan_devices[i] == NULL || !(vg->vlan_devices[i]->flags & IFF_UP)) continue; in_dev = in6_dev_get(vg->vlan_devices[i]); if (!in_dev) continue; read_lock(&in_dev->lock); qeth_add_mc6(card,in_dev); read_unlock(&in_dev->lock); in6_dev_put(in_dev); } #endif /* CONFIG_QETH_VLAN */ } static void qeth_add_multicast_ipv6(struct qeth_card *card) { struct inet6_dev *in6_dev; QETH_DBF_TEXT(trace,4,"chkmcv6"); if ((card->options.layer2 == 0) && (!qeth_is_supported(card, IPA_IPV6)) ) return ; in6_dev = in6_dev_get(card->dev); if (in6_dev == NULL) return; read_lock(&in6_dev->lock); qeth_add_mc6(card, in6_dev); qeth_add_vlan_mc6(card); read_unlock(&in6_dev->lock); in6_dev_put(in6_dev); } #endif /* CONFIG_QETH_IPV6 */ static int qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac, enum qeth_ipa_cmds ipacmd, int (*reply_cb) (struct qeth_card *, struct qeth_reply*, unsigned long)) { struct qeth_ipa_cmd *cmd; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(trace, 2, "L2sdmac"); iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); return qeth_send_ipa_cmd(card, iob, reply_cb, NULL); } static int qeth_layer2_send_setgroupmac_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; __u8 *mac; QETH_DBF_TEXT(trace, 2, "L2Sgmacb"); cmd = (struct qeth_ipa_cmd *) data; mac = &cmd->data.setdelmac.mac[0]; /* MAC already registered, needed in couple/uncouple case */ if (cmd->hdr.return_code == 0x2005) { PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \ "already existing on %s \n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], QETH_CARD_IFNAME(card)); cmd->hdr.return_code = 0; } if (cmd->hdr.return_code) PRINT_ERR("Could not set group MAC " \ "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], QETH_CARD_IFNAME(card),cmd->hdr.return_code); return 0; } static int qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac) { QETH_DBF_TEXT(trace, 2, "L2Sgmac"); return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC, qeth_layer2_send_setgroupmac_cb); } static int qeth_layer2_send_delgroupmac_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; __u8 *mac; QETH_DBF_TEXT(trace, 2, "L2Dgmacb"); cmd = (struct qeth_ipa_cmd *) data; mac = &cmd->data.setdelmac.mac[0]; if (cmd->hdr.return_code) PRINT_ERR("Could not delete group MAC " \ "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], QETH_CARD_IFNAME(card), cmd->hdr.return_code); return 0; } static int qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac) { QETH_DBF_TEXT(trace, 2, "L2Dgmac"); return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC, qeth_layer2_send_delgroupmac_cb); } static int qeth_layer2_send_setmac_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace, 2, "L2Smaccb"); cmd = (struct qeth_ipa_cmd *) data; if (cmd->hdr.return_code) { QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code); PRINT_WARN("Error in registering MAC address on " \ "device %s: x%x\n", CARD_BUS_ID(card), cmd->hdr.return_code); card->info.layer2_mac_registered = 0; cmd->hdr.return_code = -EIO; } else { card->info.layer2_mac_registered = 1; memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac, OSA_ADDR_LEN); PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x " "successfully registered on device %s\n", card->dev->dev_addr[0], card->dev->dev_addr[1], card->dev->dev_addr[2], card->dev->dev_addr[3], card->dev->dev_addr[4], card->dev->dev_addr[5], card->dev->name); } return 0; } static int qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac) { QETH_DBF_TEXT(trace, 2, "L2Setmac"); return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, qeth_layer2_send_setmac_cb); } static int qeth_layer2_send_delmac_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace, 2, "L2Dmaccb"); cmd = (struct qeth_ipa_cmd *) data; if (cmd->hdr.return_code) { PRINT_WARN("Error in deregistering MAC address on " \ "device %s: x%x\n", CARD_BUS_ID(card), cmd->hdr.return_code); QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code); cmd->hdr.return_code = -EIO; return 0; } card->info.layer2_mac_registered = 0; return 0; } static int qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac) { QETH_DBF_TEXT(trace, 2, "L2Delmac"); if (!card->info.layer2_mac_registered) return 0; return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, qeth_layer2_send_delmac_cb); } static int qeth_layer2_set_mac_address(struct net_device *dev, void *p) { struct sockaddr *addr = p; struct qeth_card *card; int rc = 0; QETH_DBF_TEXT(trace, 3, "setmac"); if (qeth_verify_dev(dev) != QETH_REAL_CARD) { QETH_DBF_TEXT(trace, 3, "setmcINV"); return -EOPNOTSUPP; } card = (struct qeth_card *) dev->priv; if (!card->options.layer2) { PRINT_WARN("Setting MAC address on %s is not supported" "in Layer 3 mode.\n", dev->name); QETH_DBF_TEXT(trace, 3, "setmcLY3"); return -EOPNOTSUPP; } QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card)); QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN); rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]); if (!rc) rc = qeth_layer2_send_setmac(card, addr->sa_data); return rc; } static void qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd, __u8 command, enum qeth_prot_versions prot) { memset(cmd, 0, sizeof (struct qeth_ipa_cmd)); cmd->hdr.command = command; cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST; cmd->hdr.seqno = card->seqno.ipa; cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type); cmd->hdr.rel_adapter_no = (__u8) card->info.portno; if (card->options.layer2) cmd->hdr.prim_version_no = 2; else cmd->hdr.prim_version_no = 1; cmd->hdr.param_count = 1; cmd->hdr.prot_version = prot; cmd->hdr.ipa_supported = 0; cmd->hdr.ipa_enabled = 0; } static struct qeth_cmd_buffer * qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd, enum qeth_prot_versions prot) { struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; iob = qeth_wait_for_buffer(&card->write); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); qeth_fill_ipacmd_header(card, cmd, ipacmd, prot); return iob; } static int qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd) { int rc; struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,4,"setdelmc"); iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN); if (addr->proto == QETH_PROT_IPV6) memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, sizeof(struct in6_addr)); else memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4); rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); return rc; } static inline void qeth_fill_netmask(u8 *netmask, unsigned int len) { int i,j; for (i=0;i<16;i++) { j=(len)-(i*8); if (j >= 8) netmask[i] = 0xff; else if (j > 0) netmask[i] = (u8)(0xFF00>>j); else netmask[i] = 0; } } static int qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd, unsigned int flags) { int rc; struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; __u8 netmask[16]; QETH_DBF_TEXT(trace,4,"setdelip"); QETH_DBF_TEXT_(trace,4,"flags%02X", flags); iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); if (addr->proto == QETH_PROT_IPV6) { memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, sizeof(struct in6_addr)); qeth_fill_netmask(netmask,addr->u.a6.pfxlen); memcpy(cmd->data.setdelip6.mask, netmask, sizeof(struct in6_addr)); cmd->data.setdelip6.flags = flags; } else { memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); cmd->data.setdelip4.flags = flags; } rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); return rc; } static int qeth_layer2_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) { if (!addr->is_multicast) return 0; QETH_DBF_TEXT(trace, 2, "setgmac"); QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN); return qeth_layer2_send_setgroupmac(card, &addr->mac[0]); } static int qeth_layer2_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) { if (!addr->is_multicast) return 0; QETH_DBF_TEXT(trace, 2, "delgmac"); QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN); return qeth_layer2_send_delgroupmac(card, &addr->mac[0]); } static int qeth_layer3_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) { char buf[50]; int rc; int cnt = 3; if (addr->proto == QETH_PROT_IPV4) { QETH_DBF_TEXT(trace, 2,"setaddr4"); QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int)); } else if (addr->proto == QETH_PROT_IPV6) { QETH_DBF_TEXT(trace, 2, "setaddr6"); QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8); QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8); } else { QETH_DBF_TEXT(trace, 2, "setaddr?"); QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr)); } do { if (addr->is_multicast) rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM); else rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP, addr->set_flags); if (rc) QETH_DBF_TEXT(trace, 2, "failed"); } while ((--cnt > 0) && rc); if (rc){ QETH_DBF_TEXT(trace, 2, "FAILED"); qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n", buf, rc, rc); } return rc; } static int qeth_layer3_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) { //char buf[50]; int rc; if (addr->proto == QETH_PROT_IPV4) { QETH_DBF_TEXT(trace, 2,"deladdr4"); QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int)); } else if (addr->proto == QETH_PROT_IPV6) { QETH_DBF_TEXT(trace, 2, "deladdr6"); QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8); QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8); } else { QETH_DBF_TEXT(trace, 2, "deladdr?"); QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr)); } if (addr->is_multicast) rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM); else rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP, addr->del_flags); if (rc) { QETH_DBF_TEXT(trace, 2, "failed"); /* TODO: re-activate this warning as soon as we have a * clean mirco code qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); PRINT_WARN("Could not deregister IP address %s (rc=%x)\n", buf, rc); */ } return rc; } static int qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) { if (card->options.layer2) return qeth_layer2_register_addr_entry(card, addr); return qeth_layer3_register_addr_entry(card, addr); } static int qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) { if (card->options.layer2) return qeth_layer2_deregister_addr_entry(card, addr); return qeth_layer3_deregister_addr_entry(card, addr); } static u32 qeth_ethtool_get_tx_csum(struct net_device *dev) { /* We may need to say that we support tx csum offload if * we do EDDP or TSO. There are discussions going on to * enforce rules in the stack and in ethtool that make * SG and TSO depend on HW_CSUM. At the moment there are * no such rules.... * If we say yes here, we have to checksum outbound packets * any time. */ return 0; } static int qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data) { return -EINVAL; } static u32 qeth_ethtool_get_rx_csum(struct net_device *dev) { struct qeth_card *card = (struct qeth_card *)dev->priv; return (card->options.checksum_type == HW_CHECKSUMMING); } static int qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data) { struct qeth_card *card = (struct qeth_card *)dev->priv; if ((card->state != CARD_STATE_DOWN) && (card->state != CARD_STATE_RECOVER)) return -EPERM; if (data) card->options.checksum_type = HW_CHECKSUMMING; else card->options.checksum_type = SW_CHECKSUMMING; return 0; } static u32 qeth_ethtool_get_sg(struct net_device *dev) { struct qeth_card *card = (struct qeth_card *)dev->priv; return ((card->options.large_send != QETH_LARGE_SEND_NO) && (dev->features & NETIF_F_SG)); } static int qeth_ethtool_set_sg(struct net_device *dev, u32 data) { struct qeth_card *card = (struct qeth_card *)dev->priv; if (data) { if (card->options.large_send != QETH_LARGE_SEND_NO) dev->features |= NETIF_F_SG; else { dev->features &= ~NETIF_F_SG; return -EINVAL; } } else dev->features &= ~NETIF_F_SG; return 0; } static u32 qeth_ethtool_get_tso(struct net_device *dev) { struct qeth_card *card = (struct qeth_card *)dev->priv; return ((card->options.large_send != QETH_LARGE_SEND_NO) && (dev->features & NETIF_F_TSO)); } static int qeth_ethtool_set_tso(struct net_device *dev, u32 data) { struct qeth_card *card = (struct qeth_card *)dev->priv; if (data) { if (card->options.large_send != QETH_LARGE_SEND_NO) dev->features |= NETIF_F_TSO; else { dev->features &= ~NETIF_F_TSO; return -EINVAL; } } else dev->features &= ~NETIF_F_TSO; return 0; } static struct ethtool_ops qeth_ethtool_ops = { .get_tx_csum = qeth_ethtool_get_tx_csum, .set_tx_csum = qeth_ethtool_set_tx_csum, .get_rx_csum = qeth_ethtool_get_rx_csum, .set_rx_csum = qeth_ethtool_set_rx_csum, .get_sg = qeth_ethtool_get_sg, .set_sg = qeth_ethtool_set_sg, .get_tso = qeth_ethtool_get_tso, .set_tso = qeth_ethtool_set_tso, }; static int qeth_netdev_init(struct net_device *dev) { struct qeth_card *card; card = (struct qeth_card *) dev->priv; QETH_DBF_TEXT(trace,3,"initdev"); dev->tx_timeout = &qeth_tx_timeout; dev->watchdog_timeo = QETH_TX_TIMEOUT; dev->open = qeth_open; dev->stop = qeth_stop; dev->hard_start_xmit = qeth_hard_start_xmit; dev->do_ioctl = qeth_do_ioctl; dev->get_stats = qeth_get_stats; dev->change_mtu = qeth_change_mtu; dev->neigh_setup = qeth_neigh_setup; dev->set_multicast_list = qeth_set_multicast_list; #ifdef CONFIG_QETH_VLAN dev->vlan_rx_register = qeth_vlan_rx_register; dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid; dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid; #endif dev->hard_header = card->orig_hard_header; if (qeth_get_netdev_flags(card) & IFF_NOARP) { dev->rebuild_header = NULL; dev->hard_header = NULL; if (card->options.fake_ll) dev->hard_header = qeth_fake_header; dev->header_cache_update = NULL; dev->hard_header_cache = NULL; } #ifdef CONFIG_QETH_IPV6 /*IPv6 address autoconfiguration stuff*/ if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) card->dev->dev_id = card->info.unique_id & 0xffff; #endif dev->hard_header_parse = NULL; dev->set_mac_address = qeth_layer2_set_mac_address; dev->flags |= qeth_get_netdev_flags(card); if ((card->options.fake_broadcast) || (card->info.broadcast_capable)) dev->flags |= IFF_BROADCAST; dev->hard_header_len = qeth_get_hlen(card->info.link_type) + card->options.add_hhlen; dev->addr_len = OSA_ADDR_LEN; dev->mtu = card->info.initial_mtu; SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops); SET_MODULE_OWNER(dev); return 0; } static void qeth_init_func_level(struct qeth_card *card) { if (card->ipato.enabled) { if (card->info.type == QETH_CARD_TYPE_IQD) card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT; else card->info.func_level = QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT; } else { if (card->info.type == QETH_CARD_TYPE_IQD) card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT; else card->info.func_level = QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT; } } /** * hardsetup card, initialize MPC and QDIO stuff */ static int qeth_hardsetup_card(struct qeth_card *card) { int retries = 3; int rc; QETH_DBF_TEXT(setup, 2, "hrdsetup"); retry: if (retries < 3){ PRINT_WARN("Retrying to do IDX activates.\n"); ccw_device_set_offline(CARD_DDEV(card)); ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); ccw_device_set_online(CARD_RDEV(card)); ccw_device_set_online(CARD_WDEV(card)); ccw_device_set_online(CARD_DDEV(card)); } rc = qeth_qdio_clear_card(card,card->info.type==QETH_CARD_TYPE_OSAE); if (rc == -ERESTARTSYS) { QETH_DBF_TEXT(setup, 2, "break1"); return rc; } else if (rc) { QETH_DBF_TEXT_(setup, 2, "1err%d", rc); if (--retries < 0) goto out; else goto retry; } if ((rc = qeth_get_unitaddr(card))){ QETH_DBF_TEXT_(setup, 2, "2err%d", rc); return rc; } qeth_init_tokens(card); qeth_init_func_level(card); rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb); if (rc == -ERESTARTSYS) { QETH_DBF_TEXT(setup, 2, "break2"); return rc; } else if (rc) { QETH_DBF_TEXT_(setup, 2, "3err%d", rc); if (--retries < 0) goto out; else goto retry; } rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb); if (rc == -ERESTARTSYS) { QETH_DBF_TEXT(setup, 2, "break3"); return rc; } else if (rc) { QETH_DBF_TEXT_(setup, 2, "4err%d", rc); if (--retries < 0) goto out; else goto retry; } if ((rc = qeth_mpc_initialize(card))){ QETH_DBF_TEXT_(setup, 2, "5err%d", rc); goto out; } /*network device will be recovered*/ if (card->dev) { card->dev->hard_header = card->orig_hard_header; return 0; } /* at first set_online allocate netdev */ card->dev = qeth_get_netdevice(card->info.type, card->info.link_type); if (!card->dev){ qeth_qdio_clear_card(card, card->info.type == QETH_CARD_TYPE_OSAE); rc = -ENODEV; QETH_DBF_TEXT_(setup, 2, "6err%d", rc); goto out; } card->dev->priv = card; card->orig_hard_header = card->dev->hard_header; card->dev->type = qeth_get_arphdr_type(card->info.type, card->info.link_type); card->dev->init = qeth_netdev_init; return 0; out: PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc); return rc; } static int qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,4,"defadpcb"); cmd = (struct qeth_ipa_cmd *) data; if (cmd->hdr.return_code == 0){ cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; if (cmd->hdr.prot_version == QETH_PROT_IPV4) card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; #ifdef CONFIG_QETH_IPV6 if (cmd->hdr.prot_version == QETH_PROT_IPV6) card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; #endif } if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask); } return 0; } static int qeth_default_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,4,"defadpcb"); cmd = (struct qeth_ipa_cmd *) data; if (cmd->hdr.return_code == 0) cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; return 0; } static int qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,3,"quyadpcb"); cmd = (struct qeth_ipa_cmd *) data; if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) card->info.link_type = cmd->data.setadapterparms.data.query_cmds_supp.lan_type; card->options.adp.supported_funcs = cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds; return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); } static int qeth_query_setadapterparms(struct qeth_card *card) { int rc; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(trace,3,"queryadp"); iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED, sizeof(struct qeth_ipacmd_setadpparms)); rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL); return rc; } static int qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,4,"chgmaccb"); cmd = (struct qeth_ipa_cmd *) data; memcpy(card->dev->dev_addr, &cmd->data.setadapterparms.data.change_addr.addr,OSA_ADDR_LEN); qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); return 0; } static int qeth_setadpparms_change_macaddr(struct qeth_card *card) { int rc; struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,4,"chgmac"); iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS, sizeof(struct qeth_ipacmd_setadpparms)); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC; cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN; memcpy(&cmd->data.setadapterparms.data.change_addr.addr, card->dev->dev_addr, OSA_ADDR_LEN); rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb, NULL); return rc; } static int qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode) { int rc; struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,4,"adpmode"); iob = qeth_get_adapter_cmd(card, command, sizeof(struct qeth_ipacmd_setadpparms)); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); cmd->data.setadapterparms.data.mode = mode; rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, NULL); return rc; } static inline int qeth_setadapter_hstr(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,4,"adphstr"); if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) { rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE, card->options.broadcast_mode); if (rc) PRINT_WARN("couldn't set broadcast mode on " "device %s: x%x\n", CARD_BUS_ID(card), rc); rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS, card->options.macaddr_mode); if (rc) PRINT_WARN("couldn't set macaddr mode on " "device %s: x%x\n", CARD_BUS_ID(card), rc); return rc; } if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) PRINT_WARN("set adapter parameters not available " "to set broadcast mode, using ALLRINGS " "on device %s:\n", CARD_BUS_ID(card)); if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) PRINT_WARN("set adapter parameters not available " "to set macaddr mode, using NONCANONICAL " "on device %s:\n", CARD_BUS_ID(card)); return 0; } static int qeth_setadapter_parms(struct qeth_card *card) { int rc; QETH_DBF_TEXT(setup, 2, "setadprm"); if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){ PRINT_WARN("set adapter parameters not supported " "on device %s.\n", CARD_BUS_ID(card)); QETH_DBF_TEXT(setup, 2, " notsupp"); return 0; } rc = qeth_query_setadapterparms(card); if (rc) { PRINT_WARN("couldn't set adapter parameters on device %s: " "x%x\n", CARD_BUS_ID(card), rc); return rc; } if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) { rc = qeth_setadpparms_change_macaddr(card); if (rc) PRINT_WARN("couldn't get MAC address on " "device %s: x%x\n", CARD_BUS_ID(card), rc); } if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) rc = qeth_setadapter_hstr(card); return rc; } static int qeth_layer2_initialize(struct qeth_card *card) { int rc = 0; QETH_DBF_TEXT(setup, 2, "doL2init"); QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card)); rc = qeth_setadpparms_change_macaddr(card); if (rc) { PRINT_WARN("couldn't get MAC address on " "device %s: x%x\n", CARD_BUS_ID(card), rc); QETH_DBF_TEXT_(setup, 2,"1err%d",rc); return rc; } QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN); rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]); if (rc) QETH_DBF_TEXT_(setup, 2,"2err%d",rc); return 0; } static int qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd, enum qeth_prot_versions prot) { int rc; struct qeth_cmd_buffer *iob; iob = qeth_get_ipacmd_buffer(card,ipacmd,prot); rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); return rc; } static int qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot) { int rc; QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot); rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot); return rc; } static int qeth_send_stoplan(struct qeth_card *card) { int rc = 0; /* * TODO: according to the IPA format document page 14, * TCP/IP (we!) never issue a STOPLAN * is this right ?!? */ QETH_DBF_TEXT(trace, 2, "stoplan"); rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4); return rc; } static int qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(setup, 2, "qipasscb"); cmd = (struct qeth_ipa_cmd *) data; if (cmd->hdr.prot_version == QETH_PROT_IPV4) { card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; /* Disable IPV6 support hard coded for Hipersockets */ if(card->info.type == QETH_CARD_TYPE_IQD) card->options.ipa4.supported_funcs &= ~IPA_IPV6; } else { #ifdef CONFIG_QETH_IPV6 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; #endif } QETH_DBF_TEXT(setup, 2, "suppenbl"); QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported); QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled); return 0; } static int qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot) { int rc; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot); if (card->options.layer2) { QETH_DBF_TEXT(setup, 2, "noprmly2"); return -EPERM; } iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot); rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL); return rc; } static struct qeth_cmd_buffer * qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, __u16 len, enum qeth_prot_versions prot) { struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,4,"getasscm"); iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); cmd->data.setassparms.hdr.assist_no = ipa_func; cmd->data.setassparms.hdr.length = 8 + len; cmd->data.setassparms.hdr.command_code = cmd_code; cmd->data.setassparms.hdr.return_code = 0; cmd->data.setassparms.hdr.seq_no = 0; return iob; } static int qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob, __u16 len, long data, int (*reply_cb) (struct qeth_card *,struct qeth_reply *,unsigned long), void *reply_param) { int rc; struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,4,"sendassp"); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); if (len <= sizeof(__u32)) cmd->data.setassparms.data.flags_32bit = (__u32) data; else if (len > sizeof(__u32)) memcpy(&cmd->data.setassparms.data, (void *) data, len); rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); return rc; } #ifdef CONFIG_QETH_IPV6 static int qeth_send_simple_setassparms_ipv6(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code) { int rc; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(trace,4,"simassp6"); iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, 0, QETH_PROT_IPV6); rc = qeth_send_setassparms(card, iob, 0, 0, qeth_default_setassparms_cb, NULL); return rc; } #endif static int qeth_send_simple_setassparms(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, long data) { int rc; int length = 0; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(trace,4,"simassp4"); if (data) length = sizeof(__u32); iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, length, QETH_PROT_IPV4); rc = qeth_send_setassparms(card, iob, length, data, qeth_default_setassparms_cb, NULL); return rc; } static inline int qeth_start_ipa_arp_processing(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,3,"ipaarp"); if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { PRINT_WARN("ARP processing not supported " "on %s!\n", QETH_CARD_IFNAME(card)); return 0; } rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING, IPA_CMD_ASS_START, 0); if (rc) { PRINT_WARN("Could not start ARP processing " "assist on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); } return rc; } static int qeth_start_ipa_ip_fragmentation(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,3,"ipaipfrg"); if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { PRINT_INFO("Hardware IP fragmentation not supported on %s\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, IPA_CMD_ASS_START, 0); if (rc) { PRINT_WARN("Could not start Hardware IP fragmentation " "assist on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); } else PRINT_INFO("Hardware IP fragmentation enabled \n"); return rc; } static int qeth_start_ipa_source_mac(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,3,"stsrcmac"); if (!card->options.fake_ll) return -EOPNOTSUPP; if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { PRINT_INFO("Inbound source address not " "supported on %s\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC, IPA_CMD_ASS_START, 0); if (rc) PRINT_WARN("Could not start inbound source " "assist on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); return rc; } static int qeth_start_ipa_vlan(struct qeth_card *card) { int rc = 0; QETH_DBF_TEXT(trace,3,"strtvlan"); #ifdef CONFIG_QETH_VLAN if (!qeth_is_supported(card, IPA_FULL_VLAN)) { PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO, IPA_CMD_ASS_START,0); if (rc) { PRINT_WARN("Could not start vlan " "assist on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); } else { PRINT_INFO("VLAN enabled \n"); card->dev->features |= NETIF_F_HW_VLAN_FILTER | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; } #endif /* QETH_VLAN */ return rc; } static int qeth_start_ipa_multicast(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,3,"stmcast"); if (!qeth_is_supported(card, IPA_MULTICASTING)) { PRINT_WARN("Multicast not supported on %s\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING, IPA_CMD_ASS_START,0); if (rc) { PRINT_WARN("Could not start multicast " "assist on %s: rc=%i\n", QETH_CARD_IFNAME(card), rc); } else { PRINT_INFO("Multicast enabled\n"); card->dev->flags |= IFF_MULTICAST; } return rc; } #ifdef CONFIG_QETH_IPV6 static int qeth_softsetup_ipv6(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,3,"softipv6"); netif_stop_queue(card->dev); rc = qeth_send_startlan(card, QETH_PROT_IPV6); if (rc) { PRINT_ERR("IPv6 startlan failed on %s\n", QETH_CARD_IFNAME(card)); return rc; } netif_wake_queue(card->dev); rc = qeth_query_ipassists(card,QETH_PROT_IPV6); if (rc) { PRINT_ERR("IPv6 query ipassist failed on %s\n", QETH_CARD_IFNAME(card)); return rc; } rc = qeth_send_simple_setassparms(card, IPA_IPV6, IPA_CMD_ASS_START, 3); if (rc) { PRINT_WARN("IPv6 start assist (version 4) failed " "on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); return rc; } rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6, IPA_CMD_ASS_START); if (rc) { PRINT_WARN("IPV6 start assist (version 6) failed " "on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); return rc; } rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, IPA_CMD_ASS_START); if (rc) { PRINT_WARN("Could not enable passthrough " "on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); return rc; } PRINT_INFO("IPV6 enabled \n"); return 0; } #endif static int qeth_start_ipa_ipv6(struct qeth_card *card) { int rc = 0; #ifdef CONFIG_QETH_IPV6 QETH_DBF_TEXT(trace,3,"strtipv6"); if (!qeth_is_supported(card, IPA_IPV6)) { PRINT_WARN("IPv6 not supported on %s\n", QETH_CARD_IFNAME(card)); return 0; } rc = qeth_softsetup_ipv6(card); #endif return rc ; } static int qeth_start_ipa_broadcast(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,3,"stbrdcst"); card->info.broadcast_capable = 0; if (!qeth_is_supported(card, IPA_FILTERING)) { PRINT_WARN("Broadcast not supported on %s\n", QETH_CARD_IFNAME(card)); rc = -EOPNOTSUPP; goto out; } rc = qeth_send_simple_setassparms(card, IPA_FILTERING, IPA_CMD_ASS_START, 0); if (rc) { PRINT_WARN("Could not enable broadcasting filtering " "on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); goto out; } rc = qeth_send_simple_setassparms(card, IPA_FILTERING, IPA_CMD_ASS_CONFIGURE, 1); if (rc) { PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n", QETH_CARD_IFNAME(card), rc); goto out; } card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; PRINT_INFO("Broadcast enabled \n"); rc = qeth_send_simple_setassparms(card, IPA_FILTERING, IPA_CMD_ASS_ENABLE, 1); if (rc) { PRINT_WARN("Could not set up broadcast echo filtering on " "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc); goto out; } card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; out: if (card->info.broadcast_capable) card->dev->flags |= IFF_BROADCAST; else card->dev->flags &= ~IFF_BROADCAST; return rc; } static int qeth_send_checksum_command(struct qeth_card *card) { int rc; rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_START, 0); if (rc) { PRINT_WARN("Starting Inbound HW Checksumming failed on %s: " "0x%x,\ncontinuing using Inbound SW Checksumming\n", QETH_CARD_IFNAME(card), rc); return rc; } rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_ENABLE, card->info.csum_mask); if (rc) { PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: " "0x%x,\ncontinuing using Inbound SW Checksumming\n", QETH_CARD_IFNAME(card), rc); return rc; } return 0; } static int qeth_start_ipa_checksum(struct qeth_card *card) { int rc = 0; QETH_DBF_TEXT(trace,3,"strtcsum"); if (card->options.checksum_type == NO_CHECKSUMMING) { PRINT_WARN("Using no checksumming on %s.\n", QETH_CARD_IFNAME(card)); return 0; } if (card->options.checksum_type == SW_CHECKSUMMING) { PRINT_WARN("Using SW checksumming on %s.\n", QETH_CARD_IFNAME(card)); return 0; } if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { PRINT_WARN("Inbound HW Checksumming not " "supported on %s,\ncontinuing " "using Inbound SW Checksumming\n", QETH_CARD_IFNAME(card)); card->options.checksum_type = SW_CHECKSUMMING; return 0; } rc = qeth_send_checksum_command(card); if (!rc) { PRINT_INFO("HW Checksumming (inbound) enabled \n"); } return rc; } static int qeth_start_ipa_tso(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,3,"sttso"); if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { PRINT_WARN("Outbound TSO not supported on %s\n", QETH_CARD_IFNAME(card)); rc = -EOPNOTSUPP; } else { rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO, IPA_CMD_ASS_START,0); if (rc) PRINT_WARN("Could not start outbound TSO " "assist on %s: rc=%i\n", QETH_CARD_IFNAME(card), rc); else PRINT_INFO("Outbound TSO enabled\n"); } if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){ card->options.large_send = QETH_LARGE_SEND_NO; card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG); } return rc; } static int qeth_start_ipassists(struct qeth_card *card) { QETH_DBF_TEXT(trace,3,"strtipas"); qeth_start_ipa_arp_processing(card); /* go on*/ qeth_start_ipa_ip_fragmentation(card); /* go on*/ qeth_start_ipa_source_mac(card); /* go on*/ qeth_start_ipa_vlan(card); /* go on*/ qeth_start_ipa_multicast(card); /* go on*/ qeth_start_ipa_ipv6(card); /* go on*/ qeth_start_ipa_broadcast(card); /* go on*/ qeth_start_ipa_checksum(card); /* go on*/ qeth_start_ipa_tso(card); /* go on*/ return 0; } static int qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type, enum qeth_prot_versions prot) { int rc; struct qeth_ipa_cmd *cmd; struct qeth_cmd_buffer *iob; QETH_DBF_TEXT(trace,4,"setroutg"); iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); cmd->data.setrtg.type = (type); rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); return rc; } static void qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type, enum qeth_prot_versions prot) { if (card->info.type == QETH_CARD_TYPE_IQD) { switch (*type) { case NO_ROUTER: case PRIMARY_CONNECTOR: case SECONDARY_CONNECTOR: case MULTICAST_ROUTER: return; default: goto out_inval; } } else { switch (*type) { case NO_ROUTER: case PRIMARY_ROUTER: case SECONDARY_ROUTER: return; case MULTICAST_ROUTER: if (qeth_is_ipafunc_supported(card, prot, IPA_OSA_MC_ROUTER)) return; default: goto out_inval; } } out_inval: PRINT_WARN("Routing type '%s' not supported for interface %s.\n" "Router status set to 'no router'.\n", ((*type == PRIMARY_ROUTER)? "primary router" : (*type == SECONDARY_ROUTER)? "secondary router" : (*type == PRIMARY_CONNECTOR)? "primary connector" : (*type == SECONDARY_CONNECTOR)? "secondary connector" : (*type == MULTICAST_ROUTER)? "multicast router" : "unknown"), card->dev->name); *type = NO_ROUTER; } int qeth_setrouting_v4(struct qeth_card *card) { int rc; QETH_DBF_TEXT(trace,3,"setrtg4"); qeth_correct_routing_type(card, &card->options.route4.type, QETH_PROT_IPV4); rc = qeth_send_setrouting(card, card->options.route4.type, QETH_PROT_IPV4); if (rc) { card->options.route4.type = NO_ROUTER; PRINT_WARN("Error (0x%04x) while setting routing type on %s. " "Type set to 'no router'.\n", rc, QETH_CARD_IFNAME(card)); } return rc; } int qeth_setrouting_v6(struct qeth_card *card) { int rc = 0; QETH_DBF_TEXT(trace,3,"setrtg6"); #ifdef CONFIG_QETH_IPV6 qeth_correct_routing_type(card, &card->options.route6.type, QETH_PROT_IPV6); if ((card->options.route6.type == NO_ROUTER) || ((card->info.type == QETH_CARD_TYPE_OSAE) && (card->options.route6.type == MULTICAST_ROUTER) && !qeth_is_supported6(card,IPA_OSA_MC_ROUTER))) return 0; rc = qeth_send_setrouting(card, card->options.route6.type, QETH_PROT_IPV6); if (rc) { card->options.route6.type = NO_ROUTER; PRINT_WARN("Error (0x%04x) while setting routing type on %s. " "Type set to 'no router'.\n", rc, QETH_CARD_IFNAME(card)); } #endif return rc; } int qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type) { int rc = 0; if (card->dev == NULL) { card->options.large_send = type; return 0; } netif_stop_queue(card->dev); card->options.large_send = type; switch (card->options.large_send) { case QETH_LARGE_SEND_EDDP: card->dev->features |= NETIF_F_TSO | NETIF_F_SG; break; case QETH_LARGE_SEND_TSO: if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){ card->dev->features |= NETIF_F_TSO | NETIF_F_SG; } else { PRINT_WARN("TSO not supported on %s. " "large_send set to 'no'.\n", card->dev->name); card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); card->options.large_send = QETH_LARGE_SEND_NO; rc = -EOPNOTSUPP; } break; default: /* includes QETH_LARGE_SEND_NO */ card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); break; } netif_wake_queue(card->dev); return rc; } /* * softsetup card: init IPA stuff */ static int qeth_softsetup_card(struct qeth_card *card) { int rc; QETH_DBF_TEXT(setup, 2, "softsetp"); if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){ QETH_DBF_TEXT_(setup, 2, "1err%d", rc); if (rc == 0xe080){ PRINT_WARN("LAN on card %s if offline! " "Continuing softsetup.\n", CARD_BUS_ID(card)); card->lan_online = 0; } else return rc; } else card->lan_online = 1; if (card->options.layer2) { card->dev->features |= NETIF_F_HW_VLAN_FILTER | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST; card->info.broadcast_capable=1; if ((rc = qeth_layer2_initialize(card))) { QETH_DBF_TEXT_(setup, 2, "L2err%d", rc); return rc; } #ifdef CONFIG_QETH_VLAN qeth_layer2_process_vlans(card, 0); #endif goto out; } if ((card->options.large_send == QETH_LARGE_SEND_EDDP) || (card->options.large_send == QETH_LARGE_SEND_TSO)) card->dev->features |= NETIF_F_TSO | NETIF_F_SG; else card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); if ((rc = qeth_setadapter_parms(card))) QETH_DBF_TEXT_(setup, 2, "2err%d", rc); if ((rc = qeth_start_ipassists(card))) QETH_DBF_TEXT_(setup, 2, "3err%d", rc); if ((rc = qeth_setrouting_v4(card))) QETH_DBF_TEXT_(setup, 2, "4err%d", rc); if ((rc = qeth_setrouting_v6(card))) QETH_DBF_TEXT_(setup, 2, "5err%d", rc); out: netif_stop_queue(card->dev); return 0; } #ifdef CONFIG_QETH_IPV6 static int qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; cmd = (struct qeth_ipa_cmd *) data; if (cmd->hdr.return_code == 0) card->info.unique_id = *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]); else { card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | UNIQUE_ID_NOT_BY_CARD; PRINT_WARN("couldn't get a unique id from the card on device " "%s (result=x%x), using default id. ipv6 " "autoconfig on other lpars may lead to duplicate " "ip addresses. please use manually " "configured ones.\n", CARD_BUS_ID(card), cmd->hdr.return_code); } return 0; } #endif static int qeth_put_unique_id(struct qeth_card *card) { int rc = 0; #ifdef CONFIG_QETH_IPV6 struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(trace,2,"puniqeid"); if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) == UNIQUE_ID_NOT_BY_CARD) return -1; iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR, QETH_PROT_IPV6); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = card->info.unique_id; memcpy(&cmd->data.create_destroy_addr.unique_id[0], card->dev->dev_addr, OSA_ADDR_LEN); rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); #else card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | UNIQUE_ID_NOT_BY_CARD; #endif return rc; } /** * Clear IP List */ static void qeth_clear_ip_list(struct qeth_card *card, int clean, int recover) { struct qeth_ipaddr *addr, *tmp; unsigned long flags; QETH_DBF_TEXT(trace,4,"clearip"); spin_lock_irqsave(&card->ip_lock, flags); /* clear todo list */ list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){ list_del(&addr->entry); kfree(addr); } while (!list_empty(&card->ip_list)) { addr = list_entry(card->ip_list.next, struct qeth_ipaddr, entry); list_del_init(&addr->entry); if (clean) { spin_unlock_irqrestore(&card->ip_lock, flags); qeth_deregister_addr_entry(card, addr); spin_lock_irqsave(&card->ip_lock, flags); } if (!recover || addr->is_multicast) { kfree(addr); continue; } list_add_tail(&addr->entry, card->ip_tbd_list); } spin_unlock_irqrestore(&card->ip_lock, flags); } static void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads, int clear_start_mask) { unsigned long flags; spin_lock_irqsave(&card->thread_mask_lock, flags); card->thread_allowed_mask = threads; if (clear_start_mask) card->thread_start_mask &= threads; spin_unlock_irqrestore(&card->thread_mask_lock, flags); wake_up(&card->wait_q); } static inline int qeth_threads_running(struct qeth_card *card, unsigned long threads) { unsigned long flags; int rc = 0; spin_lock_irqsave(&card->thread_mask_lock, flags); rc = (card->thread_running_mask & threads); spin_unlock_irqrestore(&card->thread_mask_lock, flags); return rc; } static int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads) { return wait_event_interruptible(card->wait_q, qeth_threads_running(card, threads) == 0); } static int qeth_stop_card(struct qeth_card *card, int recovery_mode) { int rc = 0; QETH_DBF_TEXT(setup ,2,"stopcard"); QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); qeth_set_allowed_threads(card, 0, 1); if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) return -ERESTARTSYS; if (card->read.state == CH_STATE_UP && card->write.state == CH_STATE_UP && (card->state == CARD_STATE_UP)) { if(recovery_mode) { qeth_stop(card->dev); } else { rtnl_lock(); dev_close(card->dev); rtnl_unlock(); } if (!card->use_hard_stop) { __u8 *mac = &card->dev->dev_addr[0]; rc = qeth_layer2_send_delmac(card, mac); QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc); if ((rc = qeth_send_stoplan(card))) QETH_DBF_TEXT_(setup, 2, "1err%d", rc); } card->state = CARD_STATE_SOFTSETUP; } if (card->state == CARD_STATE_SOFTSETUP) { #ifdef CONFIG_QETH_VLAN if (card->options.layer2) qeth_layer2_process_vlans(card, 1); #endif qeth_clear_ip_list(card, !card->use_hard_stop, 1); qeth_clear_ipacmd_list(card); card->state = CARD_STATE_HARDSETUP; } if (card->state == CARD_STATE_HARDSETUP) { if ((!card->use_hard_stop) && (!card->options.layer2)) if ((rc = qeth_put_unique_id(card))) QETH_DBF_TEXT_(setup, 2, "2err%d", rc); qeth_qdio_clear_card(card, 0); qeth_clear_qdio_buffers(card); qeth_clear_working_pool_list(card); card->state = CARD_STATE_DOWN; } if (card->state == CARD_STATE_DOWN) { qeth_clear_cmd_buffers(&card->read); qeth_clear_cmd_buffers(&card->write); } card->use_hard_stop = 0; return rc; } static int qeth_get_unique_id(struct qeth_card *card) { int rc = 0; #ifdef CONFIG_QETH_IPV6 struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(setup, 2, "guniqeid"); if (!qeth_is_supported(card,IPA_IPV6)) { card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | UNIQUE_ID_NOT_BY_CARD; return 0; } iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, QETH_PROT_IPV6); cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = card->info.unique_id; rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL); #else card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | UNIQUE_ID_NOT_BY_CARD; #endif return rc; } static void qeth_print_status_with_portname(struct qeth_card *card) { char dbf_text[15]; int i; sprintf(dbf_text, "%s", card->info.portname + 1); for (i = 0; i < 8; i++) dbf_text[i] = (char) _ebcasc[(__u8) dbf_text[i]]; dbf_text[8] = 0; printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n" "with link type %s (portname: %s)\n", CARD_RDEV_ID(card), CARD_WDEV_ID(card),


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