X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fs390%2Fnet%2Fqeth_main.c;h=d2efa5ff125def3fc2ea205165c071a6d43a9c64;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=535f46b92d72f0e4bea5851e8ac971e9b9c60ee2;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 535f46b92..d2efa5ff1 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -1,6 +1,5 @@ /* - * - * linux/drivers/s390/net/qeth_main.c ($Revision: 1.191 $) + * linux/drivers/s390/net/qeth_main.c * * Linux on zSeries OSA Express and HiperSockets support * @@ -9,11 +8,9 @@ * Author(s): Original Code written by * Utz Bacher (utz.bacher@de.ibm.com) * Rewritten by - * Frank Pavlic (pavlic@de.ibm.com) and + * Frank Pavlic (fpavlic@de.ibm.com) and * Thomas Spatzier * - * $Revision: 1.191 $ $Date: 2005/01/31 13:13:57 $ - * * 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) @@ -29,16 +26,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -/*** - * eye catcher; just for debugging purposes - */ -void volatile -qeth_eyecatcher(void) -{ - return; -} -#include #include #include #include @@ -61,6 +49,7 @@ qeth_eyecatcher(void) #include #include #include +#include #include #include @@ -72,12 +61,14 @@ qeth_eyecatcher(void) #include #include #include +#include #include "qeth.h" #include "qeth_mpc.h" #include "qeth_fs.h" +#include "qeth_eddp.h" +#include "qeth_tso.h" -#define VERSION_QETH_C "$Revision: 1.191 $" static const char *version = "qeth S/390 OSA-Express driver"; /** @@ -87,12 +78,14 @@ 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; -static debug_info_t *qeth_dbf_trace = 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); +static struct lock_class_key qdio_out_skb_queue_key; + /** * some more definitions and declarations */ @@ -155,12 +148,18 @@ 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_setadp_promisc_mode(struct qeth_card *); + static void qeth_notify_processes(void) { @@ -198,7 +197,6 @@ 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) { @@ -300,12 +298,10 @@ 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); + card = kzalloc(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; @@ -475,7 +471,7 @@ qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) channel->state == CH_STATE_UP) qeth_issue_next_read(card); - tasklet_schedule(&channel->irq_tasklet); + qeth_irq_tasklet((unsigned long)channel); return; out: wake_up(&card->wait_q); @@ -507,35 +503,45 @@ qeth_irq_tasklet(unsigned long data) wake_up(&card->wait_q); } -static int qeth_stop_card(struct qeth_card *); +static int qeth_stop_card(struct qeth_card *, int); static int -qeth_set_offline(struct ccwgroup_device *cgdev) +__qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode) { struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; - int rc = 0; + 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 *)); + if (card->dev && netif_carrier_ok(card->dev)) + netif_carrier_off(card->dev); recover_flag = card->state; - if (qeth_stop_card(card) == -ERESTARTSYS){ + if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){ PRINT_WARN("Stopping card %s interrupted by user!\n", CARD_BUS_ID(card)); return -ERESTARTSYS; } - if ((rc = ccw_device_set_offline(CARD_DDEV(card))) || - (rc = ccw_device_set_offline(CARD_WDEV(card))) || - (rc = ccw_device_set_offline(CARD_RDEV(card)))) { + 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); @@ -597,11 +603,20 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo, int found = 0; list_for_each_entry(addr, &card->ip_list, entry) { + if (card->options.layer2) { + if ((addr->type == todo->type) && + (memcmp(&addr->mac, &todo->mac, + OSA_ADDR_LEN) == 0)) { + found = 1; + break; + } + continue; + } 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) ){ + (addr->u.a4.mask == todo->u.a4.mask)) { found = 1; break; } @@ -610,12 +625,12 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo, (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)) { + sizeof(struct in6_addr)) == 0)) { found = 1; break; } } - if (found){ + if (found) { addr->users += todo->users; if (addr->users <= 0){ *__addr = addr; @@ -627,7 +642,7 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo, return 0; } } - if (todo->users > 0){ + if (todo->users > 0) { /* for VIPA and RXIP limit refcount to 1 */ if (todo->type != QETH_IP_TYPE_NORMAL) todo->users = 1; @@ -677,12 +692,22 @@ __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add) if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) return 0; + if (card->options.layer2) { + if ((tmp->type == addr->type) && + (tmp->is_multicast == addr->is_multicast) && + (memcmp(&tmp->mac, &addr->mac, + OSA_ADDR_LEN) == 0)) { + found = 1; + break; + } + continue; + } 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) ){ + (tmp->u.a4.mask == addr->u.a4.mask)) { found = 1; break; } @@ -692,7 +717,7 @@ __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add) (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) ){ + sizeof(struct in6_addr)) == 0)) { found = 1; break; } @@ -702,7 +727,7 @@ __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add) tmp->users += addr->users; else tmp->users += add? 1:-1; - if (tmp->users == 0){ + if (tmp->users == 0) { list_del(&tmp->entry); kfree(tmp); } @@ -733,12 +758,15 @@ 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); + QETH_DBF_TEXT(trace, 4, "delip"); + + if (card->options.layer2) + QETH_DBF_HEX(trace, 4, &addr->mac, 6); + else 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); + 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); @@ -752,12 +780,14 @@ 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); + QETH_DBF_TEXT(trace, 4, "addip"); + if (card->options.layer2) + QETH_DBF_HEX(trace, 4, &addr->mac, 6); + else 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); + 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); @@ -770,7 +800,7 @@ __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags) { struct qeth_ipaddr *addr, *tmp; int rc; - +again: list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { if (addr->is_multicast) { spin_unlock_irqrestore(&card->ip_lock, *flags); @@ -779,6 +809,7 @@ __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags) if (!rc) { list_del(&addr->entry); kfree(addr); + goto again; } } } @@ -846,6 +877,7 @@ qeth_set_ip_addr_list(struct qeth_card *card) static void qeth_delete_mc_addresses(struct qeth_card *); static void qeth_add_multicast_ipv4(struct qeth_card *); +static void qeth_layer2_add_multicast(struct qeth_card *); #ifdef CONFIG_QETH_IPV6 static void qeth_add_multicast_ipv6(struct qeth_card *); #endif @@ -918,22 +950,6 @@ qeth_do_run_thread(struct qeth_card *card, unsigned long thread) 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) { @@ -950,8 +966,8 @@ qeth_recover(void *ptr) PRINT_WARN("Recovery of device %s started ...\n", CARD_BUS_ID(card)); card->use_hard_stop = 1; - qeth_set_offline(card->gdev); - rc = qeth_set_online(card->gdev); + __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)); @@ -968,7 +984,6 @@ 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); } @@ -990,16 +1005,14 @@ qeth_do_start_thread(struct qeth_card *card, unsigned long thread) } static void -qeth_start_kernel_thread(struct qeth_card *card) +qeth_start_kernel_thread(struct work_struct *work) { + struct qeth_card *card = container_of(work, struct qeth_card, kernel_thread_starter); 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); } @@ -1018,7 +1031,11 @@ qeth_set_intial_options(struct qeth_card *card) card->options.fake_broadcast = 0; card->options.add_hhlen = DEFAULT_ADD_HHLEN; card->options.fake_ll = 0; - card->options.layer2 = 0; + if (card->info.type == QETH_CARD_TYPE_OSN) + card->options.layer2 = 1; + else + card->options.layer2 = 0; + card->options.performance_stats = 0; } /** @@ -1042,13 +1059,13 @@ qeth_setup_card(struct qeth_card *card) 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_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread); INIT_LIST_HEAD(&card->ip_list); card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL); if (!card->ip_tbd_list) { @@ -1070,6 +1087,35 @@ qeth_setup_card(struct qeth_card *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) { @@ -1077,12 +1123,20 @@ qeth_determine_card_type(struct qeth_card *card) QETH_DBF_TEXT(setup, 2, "detcdtyp"); + card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; + card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; 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]; card->qdio.no_out_queues = known_devices[i][8]; card->info.is_multicast_different = known_devices[i][9]; + 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; + } return 0; } i++; @@ -1106,36 +1160,38 @@ qeth_probe_device(struct ccwgroup_device *gdev) if (!get_device(dev)) return -ENODEV; + QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id); + card = qeth_alloc_card(); if (!card) { put_device(dev); QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM); return -ENOMEM; } - if ((rc = qeth_setup_card(card))){ - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - put_device(dev); - qeth_free_card(card); - return rc; - } + card->read.ccwdev = gdev->cdev[0]; + card->write.ccwdev = gdev->cdev[1]; + card->data.ccwdev = gdev->cdev[2]; 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) { + 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; } - card->read.ccwdev = gdev->cdev[0]; - card->write.ccwdev = gdev->cdev[1]; - card->data.ccwdev = gdev->cdev[2]; - 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); + if ((rc = qeth_setup_card(card))){ + QETH_DBF_TEXT_(setup, 2, "2err%d", rc); + put_device(dev); + qeth_free_card(card); + return rc; + } + rc = qeth_create_device_attributes(dev); + if (rc) { put_device(dev); qeth_free_card(card); return rc; @@ -1269,7 +1325,7 @@ qeth_wait_for_buffer(struct qeth_channel *channel) static void qeth_clear_cmd_buffers(struct qeth_channel *channel) { - int cnt = 0; + int cnt; for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) qeth_release_buffer(channel,&channel->iob[cnt]); @@ -1299,7 +1355,7 @@ qeth_idx_activate_get_answer(struct qeth_channel *channel, channel->ccw.cda = (__u32) __pa(iob->data); wait_event(card->wait_q, - atomic_compare_and_swap(0,1,&channel->irq_pending) == 0); + atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); QETH_DBF_TEXT(setup, 6, "noirqpnd"); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_start(channel->ccwdev, @@ -1366,7 +1422,7 @@ qeth_idx_activate_channel(struct qeth_channel *channel, 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); + atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); QETH_DBF_TEXT(setup, 6, "noirqpnd"); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_start(channel->ccwdev, @@ -1518,8 +1574,6 @@ qeth_issue_next_read(struct qeth_card *card) 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); @@ -1537,10 +1591,10 @@ qeth_alloc_reply(struct qeth_card *card) { struct qeth_reply *reply; - reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC); + reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC); if (reply){ - memset(reply, 0, sizeof(struct qeth_reply)); atomic_set(&reply->refcnt, 1); + atomic_set(&reply->received, 0); reply->card = card; }; return reply; @@ -1561,40 +1615,6 @@ qeth_put_reply(struct qeth_reply *reply) 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 void -qeth_reset_ip_addresses(struct qeth_card *card) -{ - QETH_DBF_TEXT(trace, 2, "rstipadd"); - - qeth_clear_ip_list(card, 0, 1); - /* this function will also schedule the SET_IP_THREAD */ - qeth_set_multicast_list(card->dev); -} - static struct qeth_ipa_cmd * qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) { @@ -1615,7 +1635,8 @@ qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) QETH_CARD_IFNAME(card), card->info.chpid); card->lan_online = 0; - netif_carrier_off(card->dev); + if (card->dev && netif_carrier_ok(card->dev)) + netif_carrier_off(card->dev); return NULL; case IPA_CMD_STARTLAN: PRINT_INFO("Link reestablished on %s " @@ -1623,18 +1644,16 @@ qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) "IP address reset.\n", QETH_CARD_IFNAME(card), card->info.chpid); - card->lan_online = 1; netif_carrier_on(card->dev); - qeth_reset_ip_addresses(card); + qeth_schedule_recovery(card); return NULL; + case IPA_CMD_MODCCID: + return cmd; case IPA_CMD_REGISTER_LOCAL_ADDR: QETH_DBF_TEXT(trace,3, "irla"); break; case IPA_CMD_UNREGISTER_LOCAL_ADDR: - PRINT_WARN("probably problem on %s: " - "received IPA command 0x%X\n", - QETH_CARD_IFNAME(card), - cmd->hdr.command); + QETH_DBF_TEXT(trace,3, "urla"); break; default: PRINT_WARN("Received data is IPA " @@ -1661,7 +1680,7 @@ qeth_clear_ipacmd_list(struct qeth_card *card) list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { qeth_get_reply(reply); reply->rc = -EIO; - reply->received = 1; + atomic_inc(&reply->received); list_del_init(&reply->list); wake_up(&reply->wait_q); qeth_put_reply(reply); @@ -1691,6 +1710,14 @@ qeth_send_control_data_cb(struct qeth_channel *channel, cmd = qeth_check_ipa_data(card, iob); if ((cmd == NULL) && (card->state != CARD_STATE_DOWN)) goto out; + /*in case of OSN : check if cmd is set */ + if (card->info.type == QETH_CARD_TYPE_OSN && + cmd && + cmd->hdr.command != IPA_CMD_STARTLAN && + card->osn_info.assist_cb != NULL) { + card->osn_info.assist_cb(card->dev, cmd); + goto out; + } spin_lock_irqsave(&card->lock, flags); list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { @@ -1707,14 +1734,13 @@ qeth_send_control_data_cb(struct qeth_channel *channel, keep_reply = reply->callback(card, reply, (unsigned long)cmd); - } - else + } else keep_reply = reply->callback(card, reply, (unsigned long)iob); } if (cmd) - reply->rc = (s16) cmd->hdr.return_code; + reply->rc = (u16) cmd->hdr.return_code; else if (iob->rc) reply->rc = iob->rc; if (keep_reply) { @@ -1723,7 +1749,7 @@ qeth_send_control_data_cb(struct qeth_channel *channel, &card->cmd_waiter_list); spin_unlock_irqrestore(&card->lock, flags); } else { - reply->received = 1; + atomic_inc(&reply->received); wake_up(&reply->wait_q); } qeth_put_reply(reply); @@ -1738,6 +1764,24 @@ out: qeth_release_buffer(channel,iob); } +static inline void +qeth_prepare_control_data(struct qeth_card *card, int len, +struct qeth_cmd_buffer *iob) +{ + qeth_setup_ccw(&card->write,iob->data,len); + iob->callback = qeth_release_buffer; + + 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); + QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN); +} + static int qeth_send_control_data(struct qeth_card *card, int len, struct qeth_cmd_buffer *iob, @@ -1748,24 +1792,11 @@ qeth_send_control_data(struct qeth_card *card, int len, { int rc; unsigned long flags; - struct qeth_reply *reply; - struct timer_list timer; + struct qeth_reply *reply = NULL; + unsigned long timeout; 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"); @@ -1777,20 +1808,20 @@ qeth_send_control_data(struct qeth_card *card, int len, 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); + + while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ; + qeth_prepare_control_data(card, len, iob); + + if (IS_IPA(iob->data)) + timeout = jiffies + QETH_IPA_TIMEOUT; + else + timeout = jiffies + QETH_TIMEOUT; + 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, @@ -1809,14 +1840,77 @@ qeth_send_control_data(struct qeth_card *card, int len, wake_up(&card->wait_q); return rc; } - add_timer(&timer); - wait_event(reply->wait_q, reply->received); - del_timer_sync(&timer); + while (!atomic_read(&reply->received)) { + if (time_after(jiffies, timeout)) { + spin_lock_irqsave(&reply->card->lock, flags); + list_del_init(&reply->list); + spin_unlock_irqrestore(&reply->card->lock, flags); + reply->rc = -ETIME; + atomic_inc(&reply->received); + wake_up(&reply->wait_q); + } + }; rc = reply->rc; qeth_put_reply(reply); return rc; } +static int +qeth_osn_send_control_data(struct qeth_card *card, int len, + struct qeth_cmd_buffer *iob) +{ + unsigned long flags; + int rc = 0; + + QETH_DBF_TEXT(trace, 5, "osndctrd"); + + wait_event(card->wait_q, + atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); + qeth_prepare_control_data(card, len, iob); + QETH_DBF_TEXT(trace, 6, "osnoirqp"); + 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_osn_send_control_data: " + "ccw_device_start rc = %i\n", rc); + QETH_DBF_TEXT_(trace, 2, " err%d", rc); + qeth_release_buffer(iob->channel, iob); + atomic_set(&card->write.irq_pending, 0); + wake_up(&card->wait_q); + } + return rc; +} + +static inline void +qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, + char prot_type) +{ + memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); + 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); +} + +static int +qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, + int data_len) +{ + u16 s1, s2; + + QETH_DBF_TEXT(trace,4,"osndipa"); + + qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); + s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); + s2 = (u16)data_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_osn_send_control_data(card, s1, iob); +} + static int qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, int (*reply_cb) @@ -1828,17 +1922,14 @@ qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, 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; + if (card->info.type == QETH_CARD_TYPE_OSN) + prot_type = QETH_PROT_OSN2; + else + 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); - + qeth_prepare_ipa_cmd(card,iob,prot_type); rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob, reply_cb, reply_param); return rc; @@ -1980,7 +2071,10 @@ qeth_ulp_enable(struct qeth_card *card) *(QETH_ULP_ENABLE_LINKNUM(iob->data)) = (__u8) card->info.portno; if (card->options.layer2) - prot_type = QETH_PROT_LAYER2; + if (card->info.type == QETH_CARD_TYPE_OSN) + prot_type = QETH_PROT_OSN2; + else + prot_type = QETH_PROT_LAYER2; else prot_type = QETH_PROT_TCPIP; @@ -2049,36 +2143,39 @@ qeth_ulp_setup(struct qeth_card *card) } static inline int -qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf, - unsigned int qdio_error, - unsigned int siga_error) +qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error, + unsigned int siga_error, const char *dbftext) { - int rc = 0; - if (qdio_error || siga_error) { - QETH_DBF_TEXT(trace, 2, "qdinerr"); - QETH_DBF_TEXT(qerr, 2, "qdinerr"); + QETH_DBF_TEXT(trace, 2, dbftext); + QETH_DBF_TEXT(qerr, 2, dbftext); QETH_DBF_TEXT_(qerr, 2, " F15=%02X", - buf->buffer->element[15].flags & 0xff); + buf->element[15].flags & 0xff); QETH_DBF_TEXT_(qerr, 2, " F14=%02X", - buf->buffer->element[14].flags & 0xff); + buf->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 1; } - return rc; + return 0; } static inline struct sk_buff * -qeth_get_skb(unsigned int length) +qeth_get_skb(unsigned int length, struct qeth_hdr *hdr) { struct sk_buff* skb; + int add_len; + + add_len = 0; + if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN) + add_len = sizeof(struct qeth_hdr); #ifdef CONFIG_QETH_VLAN - if ((skb = dev_alloc_skb(length + VLAN_HLEN))) - skb_reserve(skb, VLAN_HLEN); -#else - skb = dev_alloc_skb(length); + else + add_len = VLAN_HLEN; #endif + skb = dev_alloc_skb(length + add_len); + if (skb && add_len) + skb_reserve(skb, add_len); return skb; } @@ -2108,17 +2205,26 @@ qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, offset += sizeof(struct qeth_hdr); if (card->options.layer2) - skb_len = (*hdr)->hdr.l2.pkt_length; + if (card->info.type == QETH_CARD_TYPE_OSN) + skb_len = (*hdr)->hdr.osn.pdu_length; + else + 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 (!(skb = qeth_get_skb(skb_len + QETH_FAKE_LL_LEN))) - goto no_mem; - skb_pull(skb, QETH_FAKE_LL_LEN); - } else if (!(skb = qeth_get_skb(skb_len))) + if(card->dev->type == ARPHRD_IEEE802_TR){ + if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr))) + goto no_mem; + skb_reserve(skb,QETH_FAKE_LL_LEN_TR); + } else { + if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr))) + goto no_mem; + skb_reserve(skb,QETH_FAKE_LL_LEN_ETH); + } + } else if (!(skb = qeth_get_skb(skb_len, *hdr))) goto no_mem; data_ptr = element->addr + offset; while (skb_len) { @@ -2158,7 +2264,7 @@ no_mem: return NULL; } -static inline unsigned short +static inline __be16 qeth_type_trans(struct sk_buff *skb, struct net_device *dev) { struct qeth_card *card; @@ -2192,14 +2298,68 @@ qeth_type_trans(struct sk_buff *skb, struct net_device *dev) } static inline void -qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, +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,"skbfake"); - skb->mac.raw = skb->data - QETH_FAKE_LL_LEN; + 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; @@ -2216,10 +2376,7 @@ qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, #endif /* CONFIG_QETH_IPV6 */ case __constant_htons(ETH_P_IP): ip_hdr = (struct iphdr *)skb->data; - if (card->dev->type == ARPHRD_IEEE802_TR) - ip_tr_mc_map(ip_hdr->daddr, fake_hdr->h_dest); - else - ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest); + ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest); break; default: memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); @@ -2241,53 +2398,38 @@ qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, } static inline void -qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr *hdr) +qeth_rebuild_skb_fake_ll(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 */ + 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 __u16 +static inline void qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { - unsigned short vlan_id = 0; - 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)) { - vlan_id = hdr->hdr.l2.vlan_id; - skb_pull(skb, VLAN_HLEN); - } -#endif - skb->protocol = qeth_type_trans(skb, skb->dev); - return vlan_id; + *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; } -static inline void +static inline __u16 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { + unsigned short vlan_id = 0; #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; + return 0; } #endif /* CONFIG_QETH_IPV6 */ skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : @@ -2309,7 +2451,13 @@ qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, default: skb->pkt_type = PACKET_HOST; } - qeth_rebuild_skb_vlan(card, skb, hdr); + + if (hdr->hdr.l3.ext_flags & + (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { + vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)? + hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); + } + if (card->options.fake_ll) qeth_rebuild_skb_fake_ll(card, skb, hdr); else @@ -2325,6 +2473,7 @@ qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, else skb->ip_summed = SW_CHECKSUMMING; } + return vlan_id; } static inline void @@ -2341,27 +2490,38 @@ qeth_process_inbound_buffer(struct qeth_card *card, /* 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 + if (card->options.performance_stats) + card->perf_stats.bufs_rec++; 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); + qeth_layer2_rebuild_skb(card, skb, hdr); + else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3) + vlan_tag = qeth_rebuild_skb(card, skb, hdr); + else { /*in case of OSN*/ + skb_push(skb, sizeof(struct qeth_hdr)); + memcpy(skb->data, hdr, sizeof(struct qeth_hdr)); + } /* is device UP ? */ if (!(card->dev->flags & IFF_UP)){ dev_kfree_skb_any(skb); continue; } + if (card->info.type == QETH_CARD_TYPE_OSN) + rxrc = card->osn_info.data_cb(skb); + else #ifdef CONFIG_QETH_VLAN if (vlan_tag) - vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag); + if (card->vlangrp) + vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag); + else { + dev_kfree_skb_any(skb); + continue; + } else #endif - rxrc = netif_rx(skb); + rxrc = netif_rx(skb); card->dev->last_rx = jiffies; card->stats.rx_packets++; card->stats.rx_bytes += skb->len; @@ -2388,7 +2548,7 @@ 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 @@ -2421,14 +2581,15 @@ qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, 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; - while ((skb = skb_dequeue(&buf->skb_list))){ - atomic_dec(&skb->users); - dev_kfree_skb_any(skb); - } } buf->next_element_to_fill = 0; atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); @@ -2461,17 +2622,18 @@ qeth_queue_input_buffer(struct qeth_card *card, int index) * '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 + if (card->options.performance_stats) { + card->perf_stats.inbound_do_qdio_cnt++; + card->perf_stats.inbound_do_qdio_start_time = + qeth_get_micros(); + } 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 (card->options.performance_stats) + card->perf_stats.inbound_do_qdio_time += + qeth_get_micros() - + card->perf_stats.inbound_do_qdio_start_time; if (rc){ PRINT_WARN("qeth_queue_input_buffer's do_QDIO " "return %i (device %s).\n", @@ -2507,10 +2669,10 @@ qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, 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 (card->options.performance_stats) { + card->perf_stats.inbound_cnt++; + card->perf_stats.inbound_start_time = qeth_get_micros(); + } if (status & QDIO_STATUS_LOOK_FOR_ERROR) { if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ QETH_DBF_TEXT(trace, 1,"qdinchk"); @@ -2524,28 +2686,29 @@ qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, 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))) + if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) && + qeth_check_qdio_errors(buffer->buffer, + qdio_err, siga_err,"qinerr"))) 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 + if (card->options.performance_stats) + card->perf_stats.inbound_time += qeth_get_micros() - + card->perf_stats.inbound_start_time; } static inline int qeth_handle_send_error(struct qeth_card *card, struct qeth_qdio_out_buffer *buffer, - int qdio_err, int siga_err) + unsigned int qdio_err, unsigned int siga_err) { int sbalf15 = buffer->buffer->element[15].flags & 0xff; int cc = siga_err & 3; QETH_DBF_TEXT(trace, 6, "hdsnderr"); + qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr"); switch (cc) { case 0: if (qdio_err){ @@ -2571,14 +2734,14 @@ qeth_handle_send_error(struct qeth_card *card, QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); return QETH_SEND_ERROR_LINK_FAILURE; case 3: + default: 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; } -static inline void +void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, int index, int count) { @@ -2619,17 +2782,15 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, atomic_inc(&queue->set_pci_flags_count); buf->buffer->element[0].flags |= 0x40; } -#ifdef CONFIG_QETH_PERF_STATS - queue->card->perf_stats.bufs_sent_pack++; -#endif } } 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 (queue->card->options.performance_stats) { + queue->card->perf_stats.outbound_do_qdio_cnt++; + queue->card->perf_stats.outbound_do_qdio_start_time = + qeth_get_micros(); + } if (under_int) rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT, @@ -2637,16 +2798,14 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, 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 (queue->card->options.performance_stats) + queue->card->perf_stats.outbound_do_qdio_time += + qeth_get_micros() - + queue->card->perf_stats.outbound_do_qdio_start_time; if (rc){ - QETH_DBF_SPRINTF(trace, 0, "qeth_flush_buffers: do_QDIO " - "returned error (%i) on device %s.", - rc, CARD_DDEV_ID(queue->card)); 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 */ @@ -2654,9 +2813,8 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, return; } atomic_add(count, &queue->used_buffers); -#ifdef CONFIG_QETH_PERF_STATS - queue->card->perf_stats.bufs_sent += count; -#endif + if (queue->card->options.performance_stats) + queue->card->perf_stats.bufs_sent += count; } /* @@ -2671,9 +2829,8 @@ qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) >= 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 + if (queue->card->options.performance_stats) + queue->card->perf_stats.sc_dp_p++; queue->do_pack = 1; } } @@ -2696,9 +2853,8 @@ qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) <= 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 + if (queue->card->options.performance_stats) + queue->card->perf_stats.sc_p_dp++; queue->do_pack = 0; /* flush packing buffers */ buffer = &queue->bufs[queue->next_buf_to_fill]; @@ -2710,7 +2866,7 @@ qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; - } + } } } return flush_count; @@ -2743,6 +2899,7 @@ 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 @@ -2750,27 +2907,28 @@ qeth_check_outbound_queue(struct qeth_qdio_out_q *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) == + if (atomic_xchg(&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. */ - /* TODO: try if we get a performance improvement - * by calling netif_stop_queue here */ - /* save start index for flushing */ + 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); - /* were done with updating critical queue members */ - atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); - /* flushing can be done outside the lock */ + if (queue->card->options.performance_stats && + q_was_packing) + queue->card->perf_stats.bufs_sent_pack += + flush_cnt; if (flush_cnt) qeth_flush_buffers(queue, 1, index, flush_cnt); + atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); } } } @@ -2789,26 +2947,24 @@ qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status, QETH_DBF_TEXT(trace, 6, "qdouhdl"); if (status & QDIO_STATUS_LOOK_FOR_ERROR) { if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ - QETH_DBF_SPRINTF(trace, 2, "On device %s: " - "received active check " - "condition (0x%08x).", - CARD_BUS_ID(card), status); - QETH_DBF_TEXT(trace, 2, "chkcond"); + 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 + if (card->options.performance_stats) { + card->perf_stats.outbound_handler_cnt++; + card->perf_stats.outbound_handler_start_time = + qeth_get_micros(); + } 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) + 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); @@ -2821,24 +2977,15 @@ qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status, if (card->info.type != QETH_CARD_TYPE_IQD) qeth_check_outbound_queue(queue); - netif_wake_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 + netif_wake_queue(queue->card->dev); + if (card->options.performance_stats) + card->perf_stats.outbound_handler_time += qeth_get_micros() - + card->perf_stats.outbound_handler_start_time; } -static char* -qeth_create_qib_param_field(struct qeth_card *card) +static void +qeth_create_qib_param_field(struct qeth_card *card, char *param_field) { - char *param_field; - - param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char), - GFP_KERNEL); - if (!param_field) - return NULL; - - memset(param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char)); param_field[0] = _ascebc['P']; param_field[1] = _ascebc['C']; @@ -2847,8 +2994,18 @@ qeth_create_qib_param_field(struct qeth_card *card) *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card); *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card); *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card); +} - return param_field; +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 *) (¶m_field[20])) = card->info.blkt.time_total; + *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet; + *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo; } static void @@ -2898,7 +3055,7 @@ qeth_alloc_buffer_pool(struct qeth_card *card) void *ptr; int i, j; - QETH_DBF_TEXT(trace,5,"clwkpool"); + 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){ @@ -2906,7 +3063,7 @@ qeth_alloc_buffer_pool(struct qeth_card *card) return -ENOMEM; } for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){ - ptr = (void *) __get_free_page(GFP_KERNEL); + ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA); if (!ptr) { while (j > 0) free_page((unsigned long) @@ -2947,12 +3104,14 @@ qeth_alloc_qdio_buffers(struct qeth_card *card) QETH_DBF_TEXT(setup, 2, "allcqdbf"); - if (card->qdio.state == QETH_QDIO_ALLOCATED) + if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED, + QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED) return 0; - card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL); + card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), + GFP_KERNEL|GFP_DMA); if (!card->qdio.in_q) - return - ENOMEM; + goto out_nomem; 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)); @@ -2961,41 +3120,48 @@ qeth_alloc_qdio_buffers(struct qeth_card *card) 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; - } + if (qeth_alloc_buffer_pool(card)) + goto out_freeinq; /* 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){ + if (!card->qdio.out_qs) + goto out_freepool; + for (i = 0; i < card->qdio.no_out_queues; ++i) { card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q), - GFP_KERNEL); - if (!card->qdio.out_qs[i]){ - while (i > 0) - kfree(card->qdio.out_qs[--i]); - kfree(card->qdio.out_qs); - return -ENOMEM; - } + GFP_KERNEL|GFP_DMA); + if (!card->qdio.out_qs[i]) + goto out_freeoutq; 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 inbound qeth_qdio_buffers their qdio_buffers */ + /* 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); + lockdep_set_class( + &card->qdio.out_qs[i]->bufs[j].skb_list.lock, + &qdio_out_skb_queue_key); + INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list); } } - card->qdio.state = QETH_QDIO_ALLOCATED; return 0; + +out_freeoutq: + while (i > 0) + kfree(card->qdio.out_qs[--i]); + kfree(card->qdio.out_qs); +out_freepool: + qeth_free_buffer_pool(card); +out_freeinq: + kfree(card->qdio.in_q); +out_nomem: + atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED); + return -ENOMEM; } static void @@ -3004,7 +3170,8 @@ qeth_free_qdio_buffers(struct qeth_card *card) int i, j; QETH_DBF_TEXT(trace, 2, "freeqdbf"); - if (card->qdio.state == QETH_QDIO_UNINITIALIZED) + if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) == + QETH_QDIO_UNINITIALIZED) return; kfree(card->qdio.in_q); /* inbound buffer pool */ @@ -3017,7 +3184,6 @@ qeth_free_qdio_buffers(struct qeth_card *card) kfree(card->qdio.out_qs[i]); } kfree(card->qdio.out_qs); - card->qdio.state = QETH_QDIO_UNINITIALIZED; } static void @@ -3039,16 +3205,13 @@ static void qeth_init_qdio_info(struct qeth_card *card) { QETH_DBF_TEXT(setup, 4, "intqdinf"); - card->qdio.state = QETH_QDIO_UNINITIALIZED; + atomic_set(&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 @@ -3105,13 +3268,18 @@ qeth_qdio_establish(struct qeth_card *card) struct qdio_buffer **in_sbal_ptrs; struct qdio_buffer **out_sbal_ptrs; int i, j, k; - int rc; + int rc = 0; QETH_DBF_TEXT(setup, 2, "qdioest"); - qib_param_field = qeth_create_qib_param_field(card); - if (!qib_param_field) + + qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char), + GFP_KERNEL); + if (!qib_param_field) return -ENOMEM; + 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) { @@ -3159,8 +3327,10 @@ qeth_qdio_establish(struct qeth_card *card) 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; + if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED, + QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) + if ((rc = qdio_initialize(&init_data))) + atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); kfree(out_sbal_ptrs); kfree(in_sbal_ptrs); @@ -3227,26 +3397,32 @@ qeth_halt_channel(struct qeth_channel *channel) static int qeth_halt_channels(struct qeth_card *card) { - int rc = 0; + int rc1 = 0, rc2=0, rc3 = 0; QETH_DBF_TEXT(trace,3,"haltchs"); - if ((rc = qeth_halt_channel(&card->read))) - return rc; - if ((rc = qeth_halt_channel(&card->write))) - return rc; - return qeth_halt_channel(&card->data); + 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 rc = 0; + int rc1 = 0, rc2=0, rc3 = 0; QETH_DBF_TEXT(trace,3,"clearchs"); - if ((rc = qeth_clear_channel(&card->read))) - return rc; - if ((rc = qeth_clear_channel(&card->write))) - return rc; - return qeth_clear_channel(&card->data); + 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 @@ -3270,13 +3446,20 @@ 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){ + switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED, + QETH_QDIO_CLEANING)) { + case 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))) + (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; + atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); + break; + case QETH_QDIO_CLEANING: + return rc; + default: + break; } if ((rc = qeth_clear_halt_card(card, use_halt))) QETH_DBF_TEXT_(trace, 3, "2err%d", rc); @@ -3316,23 +3499,23 @@ qeth_mpc_initialize(struct qeth_card *card) } if ((rc = qeth_cm_enable(card))){ QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - return rc; + goto out_qdio; } if ((rc = qeth_cm_setup(card))){ QETH_DBF_TEXT_(setup, 2, "3err%d", rc); - return rc; + goto out_qdio; } if ((rc = qeth_ulp_enable(card))){ QETH_DBF_TEXT_(setup, 2, "4err%d", rc); - return rc; + goto out_qdio; } if ((rc = qeth_ulp_setup(card))){ QETH_DBF_TEXT_(setup, 2, "5err%d", rc); - return rc; + goto out_qdio; } if ((rc = qeth_alloc_qdio_buffers(card))){ QETH_DBF_TEXT_(setup, 2, "5err%d", rc); - return rc; + goto out_qdio; } if ((rc = qeth_qdio_establish(card))){ QETH_DBF_TEXT_(setup, 2, "6err%d", rc); @@ -3350,7 +3533,7 @@ qeth_mpc_initialize(struct qeth_card *card) return 0; out_qdio: - qeth_qdio_clear_card(card, card->info.type==QETH_CARD_TYPE_OSAE); + qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD); return rc; } @@ -3375,6 +3558,9 @@ qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype) case QETH_CARD_TYPE_IQD: dev = alloc_netdev(0, "hsi%d", ether_setup); break; + case QETH_CARD_TYPE_OSN: + dev = alloc_netdev(0, "osn%d", ether_setup); + break; default: dev = alloc_etherdev(0); } @@ -3387,18 +3573,25 @@ qeth_fake_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, void *daddr, void *saddr, unsigned len) { - struct ethhdr *hdr; - struct qeth_card *card; + 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; - card = (struct qeth_card *)dev->priv; - hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN); - memcpy(hdr->h_source, card->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; + } 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 @@ -3426,40 +3619,26 @@ qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) /* 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 - if (dev->hard_header == qeth_fake_header) { - if ((skb = qeth_pskb_unshare(skb, GFP_ATOMIC)) == NULL) { - card->stats.tx_dropped++; - dev_kfree_skb_irq(skb); - return 0; - } - skb_pull(skb, QETH_FAKE_LL_LEN); + if (card->options.performance_stats) { + card->perf_stats.outbound_cnt++; + card->perf_stats.outbound_start_time = qeth_get_micros(); } - /* - * We only call netif_stop_queue in case of errors. Since we've - * got our own synchronization on queues we can keep the stack's - * queue running. - */ - if ((rc = qeth_send_packet(card, skb))){ + netif_stop_queue(dev); + if ((rc = qeth_send_packet(card, skb))) { if (rc == -EBUSY) { - netif_stop_queue(dev); - rc = NETDEV_TX_BUSY; + 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% */ + /*set to OK; otherwise ksoftirqd goes to 100% */ rc = NETDEV_TX_OK; } } - -#ifdef CONFIG_QETH_PERF_STATS - card->perf_stats.outbound_time += qeth_get_micros() - - card->perf_stats.outbound_start_time; -#endif + netif_wake_queue(dev); + if (card->options.performance_stats) + card->perf_stats.outbound_time += qeth_get_micros() - + card->perf_stats.outbound_start_time; return rc; } @@ -3480,6 +3659,9 @@ qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card) break; } } + if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card)) + return 0; + #endif return rc; } @@ -3545,20 +3727,19 @@ qeth_open(struct net_device *dev) if (card->state != CARD_STATE_SOFTSETUP) return -ENODEV; - if ( (card->options.layer2) && - (!card->info.layer2_mac_registered)) { + if ( (card->info.type != QETH_CARD_TYPE_OSN) && + (card->options.layer2) && + (!(card->info.mac_bits & QETH_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; + card->dev->flags |= IFF_UP; + netif_start_queue(dev); - if (!card->lan_online){ - if (netif_carrier_ok(dev)) - netif_carrier_off(dev); - } + if (!card->lan_online && netif_carrier_ok(dev)) + netif_carrier_off(dev); return 0; } @@ -3571,7 +3752,7 @@ qeth_stop(struct net_device *dev) card = (struct qeth_card *) dev->priv; - netif_stop_queue(dev); + netif_tx_disable(dev); card->dev->flags &= ~IFF_UP; if (card->state == CARD_STATE_UP) card->state = CARD_STATE_SOFTSETUP; @@ -3583,6 +3764,9 @@ qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) { int cast_type = RTN_UNSPEC; + if (card->info.type == QETH_CARD_TYPE_OSN) + return cast_type; + if (skb->dst && skb->dst->neighbour){ cast_type = skb->dst->neighbour->type; if ((cast_type == RTN_BROADCAST) || @@ -3611,6 +3795,7 @@ qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) if ((hdr_mac == QETH_TR_MAC_NC) || (hdr_mac == QETH_TR_MAC_C)) return RTN_MULTICAST; + break; /* eth or so multicast? */ default: if ((hdr_mac == QETH_ETH_MAC_V4) || @@ -3649,8 +3834,9 @@ qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, /* TODO: IPv6!!! */ } return card->qdio.default_out_queue; + case 1: /* fallthrough for single-out-queue 1920-device */ default: - return 0; + return card->qdio.default_out_queue; } } @@ -3667,62 +3853,68 @@ qeth_get_ip_version(struct sk_buff *skb) } } -static inline int -qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb, - struct qeth_hdr **hdr, int ipv) +static inline struct qeth_hdr * +__qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv) { - struct sk_buff *new_skb; #ifdef CONFIG_QETH_VLAN u16 *tag; -#endif - - QETH_DBF_TEXT(trace, 6, "prepskb"); - if (skb_headroom(*skb) < sizeof(struct qeth_hdr)){ - new_skb = skb_realloc_headroom(*skb, sizeof(struct qeth_hdr)); - if (!new_skb) { - PRINT_ERR("qeth_prepare_skb: could " - "not realloc headroom for qeth_hdr " - "on interface %s", QETH_CARD_IFNAME(card)); - return -ENOMEM; - } - *skb = new_skb; - } -#ifdef CONFIG_QETH_VLAN - if (card->vlangrp && vlan_tx_tag_present(*skb) && + 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); + 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)); + *(tag + 1) = htons(vlan_tx_tag_get(skb)); } #endif - *hdr = (struct qeth_hdr *) skb_push(*skb, sizeof(struct qeth_hdr)); - /* - * sanity check, the Linux memory allocation scheme should - * never present us cases like this one (the 32bytes header plus - * the first 40 bytes of the paket cross a 4k boundary) - */ - if ((((unsigned long) *hdr) & (~(PAGE_SIZE - 1))) != - (((unsigned long) *hdr + sizeof(struct qeth_hdr) + - QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) { - PRINT_ERR("qeth_prepare_skb: misaligned " - "packet on interface %s. Discarded.", - QETH_CARD_IFNAME(card)); - return -EINVAL; + return ((struct qeth_hdr *) + qeth_push_skb(card, skb, sizeof(struct qeth_hdr))); +} + +static inline void +__qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb) +{ + if (orig_skb != new_skb) + dev_kfree_skb_any(new_skb); +} + +static inline struct sk_buff * +qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, + struct qeth_hdr **hdr, int ipv) +{ + struct sk_buff *new_skb, *new_skb2; + + QETH_DBF_TEXT(trace, 6, "prepskb"); + new_skb = skb; + new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC); + if (!new_skb) + return NULL; + new_skb2 = qeth_realloc_headroom(card, new_skb, + sizeof(struct qeth_hdr)); + if (!new_skb2) { + __qeth_free_new_skb(skb, new_skb); + return NULL; } - return 0; + if (new_skb != skb) + __qeth_free_new_skb(new_skb2, new_skb); + new_skb = new_skb2; + *hdr = __qeth_prepare_skb(card, new_skb, ipv); + if (*hdr == NULL) { + __qeth_free_new_skb(skb, new_skb); + return NULL; + } + return new_skb; } static inline u8 @@ -3813,12 +4005,13 @@ qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, #endif } -static inline void +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; @@ -3858,9 +4051,15 @@ qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16); } } else { /* passthrough */ - if (!memcmp(skb->data + sizeof(struct qeth_hdr), + 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; + 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 : @@ -3869,30 +4068,30 @@ qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, } } -static inline int -qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf, - char *data, struct sk_buff *skb) +static inline void +__qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, + int is_tso, int *next_element_to_fill) { - struct qdio_buffer *buffer; int length = skb->len; int length_here; int element; - int first_lap = 1; + char *data; + int first_lap ; + + element = *next_element_to_fill; + data = skb->data; + first_lap = (is_tso == 0 ? 1 : 0); - QETH_DBF_TEXT(trace, 6, "qdfillbf"); - buffer = buf->buffer; - atomic_inc(&skb->users); - skb_queue_tail(&buf->skb_list, skb); - element = buf->next_element_to_fill; 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 (!length) { if (first_lap) buffer->element[element].flags = 0; else @@ -3910,16 +4109,55 @@ qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf element++; first_lap = 0; } - buf->next_element_to_fill = element; + *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 (queue->card->options.performance_stats) + queue->card->perf_stats.skbs_sent_pack++; if (buf->next_element_to_fill >= QETH_MAX_BUFFER_ELEMENTS(queue->card)) { /* @@ -3927,25 +4165,28 @@ qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf * -> will be flushed */ atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); + flush_cnt = 1; } } - return 0; + 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) + 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)); + while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, + QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); /* ... now we've got the queue */ index = queue->next_buf_to_fill; buffer = &queue->bufs[queue->next_buf_to_fill]; @@ -3953,77 +4194,113 @@ qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue, * 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 (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) + goto out; + 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) + goto out; + queue->next_buf_to_fill = + (queue->next_buf_to_fill + buffers_needed) % + QDIO_MAX_BUFFERS_PER_Q; } - queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % - QDIO_MAX_BUFFERS_PER_Q; atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); - qeth_fill_buffer(queue, buffer, (char *)hdr, skb); - qeth_flush_buffers(queue, 0, index, 1); + 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; +out: + atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); + return -EBUSY; } 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) + 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)); + while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, + QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); 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++; + if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) { 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){ - /* 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++; - /* return EBUSY because we sent old packet, not - * the current one */ + 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){ + 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"); rc = -EBUSY; - atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); goto out; } } } - qeth_fill_buffer(queue, buffer, (char *)hdr, skb); - if (atomic_read(&buffer->state) == QETH_QDIO_BUF_PRIMED){ - /* next time fill the next buffer */ - flush_count++; - queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % - QDIO_MAX_BUFFERS_PER_Q; + 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"); + 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); + else if (!atomic_read(&queue->set_pci_flags_count)) + atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH); /* * queue->state will go from LOCKED -> UNLOCKED or from * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us @@ -4031,6 +4308,8 @@ qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, * 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); /* @@ -4039,56 +4318,154 @@ qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *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 */ -out: - if (flush_count) - qeth_flush_buffers(queue, 0, start_index, flush_count); + if (queue->card->options.performance_stats && do_pack) + queue->card->perf_stats.bufs_sent_pack += flush_count; 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("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; - int elements_needed; + 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 tx_bytes = skb->len; + unsigned short nr_frags = skb_shinfo(skb)->nr_frags; + unsigned short tso_size = skb_shinfo(skb)->gso_size; + struct sk_buff *new_skb, *new_skb2; int rc; QETH_DBF_TEXT(trace, 6, "sendpkt"); - if (!card->options.layer2) - ipv = qeth_get_ip_version(skb); + new_skb = skb; + if ((card->info.type == QETH_CARD_TYPE_OSN) && + (skb->protocol == htons(ETH_P_IPV6))) + return -EPERM; cast_type = qeth_get_cast_type(card, skb); + if ((cast_type == RTN_BROADCAST) && + (card->info.broadcast_capable == 0)) + return -EPERM; queue = card->qdio.out_qs [qeth_get_priority_queue(card, skb, ipv, cast_type)]; - - if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))){ - QETH_DBF_TEXT_(trace, 4, "1err%d", rc); - return rc; + if (!card->options.layer2) { + ipv = qeth_get_ip_version(skb); + if ((card->dev->hard_header == qeth_fake_header) && ipv) { + new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC); + if (!new_skb) + return -ENOMEM; + if(card->dev->type == ARPHRD_IEEE802_TR){ + skb_pull(new_skb, QETH_FAKE_LL_LEN_TR); + } else { + skb_pull(new_skb, QETH_FAKE_LL_LEN_ETH); + } + } } - qeth_fill_header(card, hdr, skb, ipv, cast_type); - elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) + skb->len) - >> PAGE_SHIFT); - if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){ - PRINT_ERR("qeth_do_send_packet: invalid size of " - "IP packet. Discarded."); - return -EINVAL; + if (skb_is_gso(skb)) + large_send = card->options.large_send; + /* check on OSN device*/ + if (card->info.type == QETH_CARD_TYPE_OSN) + hdr = (struct qeth_hdr *)new_skb->data; + /*are we able to do TSO ? */ + if ((large_send == QETH_LARGE_SEND_TSO) && + (cast_type == RTN_UNSPEC)) { + rc = qeth_tso_prepare_packet(card, new_skb, ipv, cast_type); + if (rc) { + __qeth_free_new_skb(skb, new_skb); + return rc; + } + elements_needed++; + } else if (card->info.type != QETH_CARD_TYPE_OSN) { + new_skb2 = qeth_prepare_skb(card, new_skb, &hdr, ipv); + if (!new_skb2) { + __qeth_free_new_skb(skb, new_skb); + return -EINVAL; + } + if (new_skb != skb) + __qeth_free_new_skb(new_skb2, new_skb); + new_skb = new_skb2; + qeth_fill_header(card, hdr, new_skb, ipv, cast_type); + } + if (large_send == QETH_LARGE_SEND_EDDP) { + ctx = qeth_eddp_create_context(card, new_skb, hdr); + if (ctx == NULL) { + __qeth_free_new_skb(skb, new_skb); + PRINT_WARN("could not create eddp context\n"); + return -EINVAL; + } + } else { + int elems = qeth_get_elements_no(card,(void*) hdr, new_skb, + elements_needed); + if (!elems) { + __qeth_free_new_skb(skb, new_skb); + return -EINVAL; + } + elements_needed += elems; } if (card->info.type != QETH_CARD_TYPE_IQD) - rc = qeth_do_send_packet(card, queue, skb, hdr, - elements_needed); + rc = qeth_do_send_packet(card, queue, new_skb, hdr, + elements_needed, ctx); else - rc = qeth_do_send_packet_fast(card, queue, skb, hdr, - elements_needed); - - if (!rc){ + rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, + elements_needed, ctx); + if (!rc) { card->stats.tx_packets++; - card->stats.tx_bytes += skb->len; + card->stats.tx_bytes += tx_bytes; + if (new_skb != skb) + dev_kfree_skb_any(skb); + if (card->options.performance_stats) { + if (tso_size && + !(large_send == QETH_LARGE_SEND_NO)) { + card->perf_stats.large_send_bytes += tx_bytes; + card->perf_stats.large_send_cnt++; + } + if (nr_frags > 0) { + card->perf_stats.sg_skbs_sent++; + /* nr_frags + skb->data */ + card->perf_stats.sg_frags_sent += + nr_frags + 1; + } + } + } else { + card->stats.tx_dropped++; + __qeth_free_new_skb(skb, new_skb); + } + if (ctx != NULL) { + /* drop creator's reference */ + qeth_eddp_put_context(ctx); + /* free skb; it's not referenced by a buffer */ + if (!rc) + dev_kfree_skb_any(new_skb); } return rc; } @@ -4103,6 +4480,7 @@ qeth_mdio_read(struct net_device *dev, int phy_id, int 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_OSN) && (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH)) rc |= BMCR_SPEED100; break; @@ -4152,38 +4530,11 @@ qeth_mdio_read(struct net_device *dev, int phy_id, int regnum) 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) @@ -4221,7 +4572,11 @@ qeth_arp_set_no_entries(struct qeth_card *card, int no_entries) QETH_DBF_TEXT(trace,3,"arpstnoe"); - /* TODO: really not supported by GuestLAN? */ + /* + * 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)) { @@ -4389,7 +4744,7 @@ 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) +qeth_arp_query(struct qeth_card *card, char __user *udata) { struct qeth_cmd_buffer *iob; struct qeth_arp_query_info qinfo = {0, }; @@ -4398,14 +4753,6 @@ qeth_arp_query(struct qeth_card *card, char *udata) QETH_DBF_TEXT(trace,3,"arpquery"); - /* - * currently GuestLAN does only deliver all zeros on query arp, - * even though arp processing is supported (according to IPA supp. - * funcs flags); since all zeros is no valueable information, - * we say EOPNOTSUPP for all ARP functions - */ - /*if (card->info.guestlan) - return -EOPNOTSUPP; */ if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ IPA_ARP_PROCESSING)) { PRINT_WARN("ARP processing not supported " @@ -4415,9 +4762,8 @@ qeth_arp_query(struct qeth_card *card, char *udata) /* 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))) + if (!(qinfo.udata = kzalloc(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, @@ -4432,9 +4778,11 @@ qeth_arp_query(struct qeth_card *card, char *udata) "(0x%x/%d)\n", QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), tmp, tmp); - copy_to_user(udata, qinfo.udata, 4); + if (copy_to_user(udata, qinfo.udata, 4)) + rc = -EFAULT; } else { - copy_to_user(udata, qinfo.udata, qinfo.udata_len); + if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) + rc = -EFAULT; } kfree(qinfo.udata); return rc; @@ -4531,7 +4879,7 @@ qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen) * function to send SNMP commands to OSA-E card */ static int -qeth_snmp_command(struct qeth_card *card, char *udata) +qeth_snmp_command(struct qeth_card *card, char __user *udata) { struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; @@ -4565,11 +4913,10 @@ qeth_snmp_command(struct qeth_card *card, char *udata) return -EFAULT; } qinfo.udata_len = ureq->hdr.data_len; - if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){ + if (!(qinfo.udata = kzalloc(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, @@ -4581,8 +4928,10 @@ qeth_snmp_command(struct qeth_card *card, char *udata) 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); + else { + if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) + rc = -EFAULT; + } kfree(ureq); kfree(qinfo.udata); @@ -4594,6 +4943,10 @@ qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); static int +qeth_default_setadapterparms_cb(struct qeth_card *card, + struct qeth_reply *reply, + unsigned long data); +static int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, long, int (*reply_cb) @@ -4611,10 +4964,9 @@ qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) QETH_DBF_TEXT(trace,3,"arpadent"); /* - * currently GuestLAN does only deliver all zeros on query arp, - * even though arp processing is supported (according to IPA supp. - * funcs flags); since all zeros is no valueable information, - * we say EOPNOTSUPP for all ARP functions + * 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; @@ -4654,10 +5006,9 @@ qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry QETH_DBF_TEXT(trace,3,"arprment"); /* - * currently GuestLAN does only deliver all zeros on query arp, - * even though arp processing is supported (according to IPA supp. - * funcs flags); since all zeros is no valueable information, - * we say EOPNOTSUPP for all ARP functions + * 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; @@ -4695,11 +5046,10 @@ qeth_arp_flush_cache(struct qeth_card *card) QETH_DBF_TEXT(trace,3,"arpflush"); /* - * currently GuestLAN does only deliver all zeros on query arp, - * even though arp processing is supported (according to IPA supp. - * funcs flags); since all zeros is no valueable information, - * we say EOPNOTSUPP for all ARP functions - */ + * 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)) { @@ -4733,6 +5083,9 @@ qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) (card->state != CARD_STATE_SOFTSETUP)) return -ENODEV; + if (card->info.type == QETH_CARD_TYPE_OSN) + return -EPERM; + switch (cmd){ case SIOC_QETH_ARP_SET_NO_ENTRIES: if ( !capable(CAP_NET_ADMIN) || @@ -4803,21 +5156,6 @@ qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 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; } @@ -4885,6 +5223,7 @@ qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf, struct sk_buff_head tmp_list; skb_queue_head_init(&tmp_list); + lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key); for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ while ((skb = skb_dequeue(&buf->skb_list))){ if (vlan_tx_tag_present(skb) && @@ -4920,10 +5259,9 @@ qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid) struct qeth_ipaddr *addr; QETH_DBF_TEXT(trace, 4, "frvaddr4"); - if (!card->vlangrp) - return; + rcu_read_lock(); - in_dev = __in_dev_get(card->vlangrp->vlan_devices[vid]); + 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) { @@ -4943,13 +5281,13 @@ out: 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; @@ -4965,13 +5303,42 @@ qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid) } } in6_dev_put(in6_dev); +#endif /* CONFIG_QETH_IPV6 */ } static void +qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid) +{ + if (card->options.layer2 || !card->vlangrp) + return; + qeth_free_vlan_addresses4(card, vid); + qeth_free_vlan_addresses6(card, vid); +} + +static int +qeth_layer2_send_setdelvlan_cb(struct qeth_card *card, + struct qeth_reply *reply, + unsigned long data) +{ + struct qeth_ipa_cmd *cmd; + + QETH_DBF_TEXT(trace, 2, "L2sdvcb"); + cmd = (struct qeth_ipa_cmd *) data; + if (cmd->hdr.return_code) { + PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. " + "Continuing\n",cmd->data.setdelvlan.vlan_id, + QETH_CARD_IFNAME(card), cmd->hdr.return_code); + QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command); + QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card)); + QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code); + } + return 0; +} + +static int 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; @@ -4979,15 +5346,8 @@ qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i, 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); - } + return qeth_send_ipa_cmd(card, iob, + qeth_layer2_send_setdelvlan_cb, NULL); } static void @@ -5037,8 +5397,7 @@ qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) 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); + qeth_free_vlan_addresses(card, vid); if (card->vlangrp) card->vlangrp->vlan_devices[vid] = NULL; spin_unlock_irqrestore(&card->vlanlock, flags); @@ -5047,6 +5406,59 @@ qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) qeth_set_multicast_list(card->dev); } #endif +/** + * Examine hardware response to SET_PROMISC_MODE + */ +static int +qeth_setadp_promisc_mode_cb(struct qeth_card *card, + struct qeth_reply *reply, + unsigned long data) +{ + struct qeth_ipa_cmd *cmd; + struct qeth_ipacmd_setadpparms *setparms; + + QETH_DBF_TEXT(trace,4,"prmadpcb"); + + cmd = (struct qeth_ipa_cmd *) data; + setparms = &(cmd->data.setadapterparms); + + qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); + if (cmd->hdr.return_code) { + QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code); + setparms->data.mode = SET_PROMISC_MODE_OFF; + } + card->info.promisc_mode = setparms->data.mode; + return 0; +} +/* + * Set promiscuous mode (on or off) (SET_PROMISC_MODE command) + */ +static void +qeth_setadp_promisc_mode(struct qeth_card *card) +{ + enum qeth_ipa_promisc_modes mode; + struct net_device *dev = card->dev; + struct qeth_cmd_buffer *iob; + struct qeth_ipa_cmd *cmd; + + QETH_DBF_TEXT(trace, 4, "setprom"); + + if (((dev->flags & IFF_PROMISC) && + (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || + (!(dev->flags & IFF_PROMISC) && + (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) + return; + mode = SET_PROMISC_MODE_OFF; + if (dev->flags & IFF_PROMISC) + mode = SET_PROMISC_MODE_ON; + QETH_DBF_TEXT_(trace, 4, "mode:%x", mode); + + iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE, + sizeof(struct qeth_ipacmd_setadpparms)); + cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); + cmd->data.setadapterparms.data.mode = mode; + qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL); +} /** * set multicast address on card @@ -5056,14 +5468,24 @@ qeth_set_multicast_list(struct net_device *dev) { struct qeth_card *card = (struct qeth_card *) dev->priv; - QETH_DBF_TEXT(trace,3,"setmulti"); + if (card->info.type == QETH_CARD_TYPE_OSN) + return ; + + QETH_DBF_TEXT(trace, 3, "setmulti"); qeth_delete_mc_addresses(card); + if (card->options.layer2) { + qeth_layer2_add_multicast(card); + goto out; + } 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); +out: + qeth_set_ip_addr_list(card); + if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) + return; + qeth_setadp_promisc_mode(card); } static int @@ -5072,29 +5494,116 @@ 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) +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 = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); + if (addr == NULL) { + PRINT_WARN("Not enough memory to add address\n"); + return NULL; + } + addr->type = QETH_IP_TYPE_NORMAL; + addr->proto = prot; + return addr; +} + +int +qeth_osn_assist(struct net_device *dev, + void *data, + int data_len) +{ + struct qeth_cmd_buffer *iob; + struct qeth_card *card; + int rc; + + QETH_DBF_TEXT(trace, 2, "osnsdmc"); + if (!dev) + return -ENODEV; + card = (struct qeth_card *)dev->priv; + if (!card) + return -ENODEV; + if ((card->state != CARD_STATE_UP) && + (card->state != CARD_STATE_SOFTSETUP)) + return -ENODEV; + iob = qeth_wait_for_buffer(&card->write); + memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); + rc = qeth_osn_send_ipa_cmd(card, iob, data_len); + return rc; +} + +static struct net_device * +qeth_netdev_by_devno(unsigned char *read_dev_no) +{ + struct qeth_card *card; + struct net_device *ndev; + unsigned char *readno; + __u16 temp_dev_no, card_dev_no; + char *endp; + unsigned long flags; + + ndev = NULL; + memcpy(&temp_dev_no, read_dev_no, 2); + read_lock_irqsave(&qeth_card_list.rwlock, flags); + list_for_each_entry(card, &qeth_card_list.list, list) { + readno = CARD_RDEV_ID(card); + readno += (strlen(readno) - 4); + card_dev_no = simple_strtoul(readno, &endp, 16); + if (card_dev_no == temp_dev_no) { + ndev = card->dev; + break; + } + } + read_unlock_irqrestore(&qeth_card_list.rwlock, flags); + return ndev; +} + +int +qeth_osn_register(unsigned char *read_dev_no, + struct net_device **dev, + int (*assist_cb)(struct net_device *, void *), + int (*data_cb)(struct sk_buff *)) { - if (dev->type == ARPHRD_IEEE802_TR) - ip_tr_mc_map(ipm, mac); - else - ip_eth_mc_map(ipm, mac); + struct qeth_card * card; + + QETH_DBF_TEXT(trace, 2, "osnreg"); + *dev = qeth_netdev_by_devno(read_dev_no); + if (*dev == NULL) + return -ENODEV; + card = (struct qeth_card *)(*dev)->priv; + if (!card) + return -ENODEV; + if ((assist_cb == NULL) || (data_cb == NULL)) + return -EINVAL; + card->osn_info.assist_cb = assist_cb; + card->osn_info.data_cb = data_cb; + return 0; } -static struct qeth_ipaddr * -qeth_get_addr_buffer(enum qeth_prot_versions prot) +void +qeth_osn_deregister(struct net_device * dev) { - struct qeth_ipaddr *addr; + struct qeth_card *card; - 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; + QETH_DBF_TEXT(trace, 2, "osndereg"); + if (!dev) + return; + card = (struct qeth_card *)dev->priv; + if (!card) + return; + card->osn_info.assist_cb = NULL; + card->osn_info.data_cb = NULL; + return; } static void @@ -5183,6 +5692,24 @@ qeth_add_multicast_ipv4(struct qeth_card *card) in_dev_put(in4_dev); } +static void +qeth_layer2_add_multicast(struct qeth_card *card) +{ + struct qeth_ipaddr *ipm; + struct dev_mc_list *dm; + + QETH_DBF_TEXT(trace,4,"L2addmc"); + for (dm = card->dev->mc_list; dm; dm = dm->next) { + ipm = qeth_get_addr_buffer(QETH_PROT_IPV4); + if (!ipm) + continue; + memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN); + ipm->is_multicast = 1; + if (!qeth_add_ip(card, ipm)) + kfree(ipm); + } +} + #ifdef CONFIG_QETH_IPV6 static inline void qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) @@ -5244,7 +5771,6 @@ qeth_add_multicast_ipv6(struct qeth_card *card) QETH_DBF_TEXT(trace,4,"chkmcv6"); if (!qeth_is_supported(card, IPA_IPV6)) return ; - in6_dev = in6_dev_get(card->dev); if (in6_dev == NULL) return; @@ -5350,10 +5876,10 @@ qeth_layer2_send_setmac_cb(struct qeth_card *card, 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; + card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; cmd->hdr.return_code = -EIO; } else { - card->info.layer2_mac_registered = 1; + card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 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 " @@ -5391,7 +5917,7 @@ qeth_layer2_send_delmac_cb(struct qeth_card *card, cmd->hdr.return_code = -EIO; return 0; } - card->info.layer2_mac_registered = 0; + card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; return 0; } @@ -5399,7 +5925,7 @@ static int qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac) { QETH_DBF_TEXT(trace, 2, "L2Delmac"); - if (!card->info.layer2_mac_registered) + if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) return 0; return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, qeth_layer2_send_delmac_cb); @@ -5421,11 +5947,17 @@ qeth_layer2_set_mac_address(struct net_device *dev, void *p) card = (struct qeth_card *) dev->priv; if (!card->options.layer2) { - PRINT_WARN("Setting MAC address on %s is not supported" + 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; } + if (card->info.type == QETH_CARD_TYPE_OSN) { + PRINT_WARN("Setting MAC address on %s is not supported.\n", + dev->name); + QETH_DBF_TEXT(trace, 3, "setmcOSN"); + 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]); @@ -5563,7 +6095,7 @@ static int qeth_layer3_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) { - //char buf[50]; + char buf[50]; int rc; int cnt = 3; @@ -5589,12 +6121,9 @@ qeth_layer3_register_addr_entry(struct qeth_card *card, } while ((--cnt > 0) && rc); 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 register IP address %s (rc=%x)\n", - buf, rc); - */ + PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n", + buf, rc, rc); } return rc; } @@ -5652,6 +6181,147 @@ qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *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_hard_header_parse(struct sk_buff *skb, unsigned char *haddr) +{ + struct qeth_card *card; + struct ethhdr *eth; + + card = qeth_get_card_from_dev(skb->dev); + if (card->options.layer2) + goto haveheader; +#ifdef CONFIG_QETH_IPV6 + /* cause of the manipulated arp constructor and the ARP + flag for OSAE devices we have some nasty exceptions */ + if (card->info.type == QETH_CARD_TYPE_OSAE) { + if (!card->options.fake_ll) { + if ((skb->pkt_type==PACKET_OUTGOING) && + (skb->protocol==ETH_P_IPV6)) + goto haveheader; + else + return 0; + } else { + if ((skb->pkt_type==PACKET_OUTGOING) && + (skb->protocol==ETH_P_IP)) + return 0; + else + goto haveheader; + } + } +#endif + if (!card->options.fake_ll) + return 0; +haveheader: + eth = eth_hdr(skb); + memcpy(haddr, eth->h_source, ETH_ALEN); + return ETH_ALEN; +} + static int qeth_netdev_init(struct net_device *dev) { @@ -5676,12 +6346,9 @@ qeth_netdev_init(struct net_device *dev) 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; } @@ -5690,7 +6357,13 @@ qeth_netdev_init(struct net_device *dev) 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; + if (card->options.fake_ll && + (qeth_get_netdev_flags(card) & IFF_NOARP)) + dev->hard_header = qeth_fake_header; + if (dev->type == ARPHRD_IEEE802_TR) + dev->hard_header_parse = NULL; + else + dev->hard_header_parse = qeth_hard_header_parse; dev->set_mac_address = qeth_layer2_set_mac_address; dev->flags |= qeth_get_netdev_flags(card); if ((card->options.fake_broadcast) || @@ -5700,7 +6373,8 @@ qeth_netdev_init(struct net_device *dev) qeth_get_hlen(card->info.link_type) + card->options.add_hhlen; dev->addr_len = OSA_ADDR_LEN; dev->mtu = card->info.initial_mtu; - + if (card->info.type != QETH_CARD_TYPE_OSN) + SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops); SET_MODULE_OWNER(dev); return 0; } @@ -5717,6 +6391,7 @@ qeth_init_func_level(struct qeth_card *card) QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT; } else { if (card->info.type == QETH_CARD_TYPE_IQD) + /*FIXME:why do we have same values for dis and ena for osae??? */ card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT; else @@ -5746,7 +6421,7 @@ retry: 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); + rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD); if (rc == -ERESTARTSYS) { QETH_DBF_TEXT(setup, 2, "break1"); return rc; @@ -5792,14 +6467,17 @@ retry: /*network device will be recovered*/ if (card->dev) { card->dev->hard_header = card->orig_hard_header; + if (card->options.fake_ll && + (qeth_get_netdev_flags(card) & IFF_NOARP)) + card->dev->hard_header = qeth_fake_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); + qeth_qdio_clear_card(card, card->info.type != + QETH_CARD_TYPE_IQD); rc = -ENODEV; QETH_DBF_TEXT_(setup, 2, "6err%d", rc); goto out; @@ -5856,6 +6534,8 @@ qeth_default_setadapterparms_cb(struct qeth_card *card, return 0; } + + static int qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) @@ -5896,8 +6576,13 @@ qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, 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); + if (!card->options.layer2 || card->info.guestlan || + !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) { + memcpy(card->dev->dev_addr, + &cmd->data.setadapterparms.data.change_addr.addr, + OSA_ADDR_LEN); + card->info.mac_bits |= QETH_LAYER2_MAC_READ; + } qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); return 0; } @@ -6017,6 +6702,12 @@ qeth_layer2_initialize(struct qeth_card *card) QETH_DBF_TEXT(setup, 2, "doL2init"); QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card)); + rc = qeth_query_setadapterparms(card); + if (rc) { + PRINT_WARN("could not query adapter parameters on device %s: " + "x%x\n", CARD_BUS_ID(card), rc); + } + rc = qeth_setadpparms_change_macaddr(card); if (rc) { PRINT_WARN("couldn't get MAC address on " @@ -6086,12 +6777,18 @@ qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply, 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; } @@ -6148,7 +6845,7 @@ qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob, 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)) + else /* (len > sizeof(__u32)) */ memcpy(&cmd->data.setassparms.data, (void *) data, len); rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); @@ -6327,14 +7024,12 @@ qeth_softsetup_ipv6(struct qeth_card *card) 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", @@ -6492,26 +7187,33 @@ qeth_start_ipa_checksum(struct qeth_card *card) return rc; } -/* -static inline void -qeth_print_ipassist_status(struct qeth_card *card) +static int +qeth_start_ipa_tso(struct qeth_card *card) { - char buf[255]; - int offset = 0; + int rc; + + QETH_DBF_TEXT(trace,3,"sttso"); - offset += sprintf(buf, "IPAssist options of %s: ", card->info.if_name); - if (qeth_is_enabled(card, IPA_ARP_PROCESSING)) - offset += sprintf(buf+offset, "ARP "); - if (qeth_is_enabled(card, IPA_IP_FRAGMENTATION)) - offset += sprintf(buf+offset, "IP_FRAG"); - if (qeth_is_enabled(card, IPA_SOURCE_MAC)) - offset += sprintf(buf+offset, "SRC_MAC"); - if (qeth_is_enabled(card, IPA_FULL_VLAN)) - offset += sprintf(buf+offset, "VLAN"); - if (qeth_is_enabled(card, IPA_VLAN_PRIO)) - offset += sprintf(buf+offset, "VLAN_PRIO"); + 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) @@ -6525,6 +7227,7 @@ qeth_start_ipassists(struct qeth_card *card) 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; } @@ -6616,14 +7319,11 @@ qeth_setrouting_v6(struct qeth_card *card) QETH_DBF_TEXT(trace,3,"setrtg6"); #ifdef CONFIG_QETH_IPV6 + if (!qeth_is_supported(card, IPA_IPV6)) + return 0; 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) { @@ -6636,6 +7336,43 @@ qeth_setrouting_v6(struct qeth_card *card) 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; + } + if (card->state == CARD_STATE_UP) + netif_tx_disable(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; + } + if (card->state == CARD_STATE_UP) + netif_wake_queue(card->dev); + return rc; +} + /* * softsetup card: init IPA stuff */ @@ -6657,6 +7394,9 @@ qeth_softsetup_card(struct qeth_card *card) return rc; } else card->lan_online = 1; + if (card->info.type==QETH_CARD_TYPE_OSN) + goto out; + qeth_set_large_send(card, card->options.large_send); if (card->options.layer2) { card->dev->features |= NETIF_F_HW_VLAN_FILTER | @@ -6682,7 +7422,7 @@ qeth_softsetup_card(struct qeth_card *card) if ((rc = qeth_setrouting_v6(card))) QETH_DBF_TEXT_(setup, 2, "5err%d", rc); out: - netif_stop_queue(card->dev); + netif_tx_disable(card->dev); return 0; } @@ -6809,7 +7549,7 @@ qeth_wait_for_threads(struct qeth_card *card, unsigned long threads) } static int -qeth_stop_card(struct qeth_card *card) +qeth_stop_card(struct qeth_card *card, int recovery_mode) { int rc = 0; @@ -6822,9 +7562,14 @@ qeth_stop_card(struct qeth_card *card) if (card->read.state == CH_STATE_UP && card->write.state == CH_STATE_UP && (card->state == CARD_STATE_UP)) { - rtnl_lock(); - dev_close(card->dev); - rtnl_unlock(); + if (recovery_mode && + card->info.type != QETH_CARD_TYPE_OSN) { + 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); @@ -6986,23 +7731,26 @@ static int qeth_register_netdev(struct qeth_card *card) { QETH_DBF_TEXT(setup, 3, "regnetd"); - if (card->dev->reg_state != NETREG_UNINITIALIZED) { - qeth_netdev_init(card->dev); + if (card->dev->reg_state != NETREG_UNINITIALIZED) return 0; - } /* sysfs magic */ SET_NETDEV_DEV(card->dev, &card->gdev->dev); return register_netdev(card->dev); } static void -qeth_start_again(struct qeth_card *card) +qeth_start_again(struct qeth_card *card, int recovery_mode) { QETH_DBF_TEXT(setup ,2, "startag"); - rtnl_lock(); - dev_open(card->dev); - rtnl_unlock(); + if (recovery_mode && + card->info.type != QETH_CARD_TYPE_OSN) { + qeth_open(card->dev); + } else { + rtnl_lock(); + dev_open(card->dev); + rtnl_unlock(); + } /* this also sets saved unicast addresses */ qeth_set_multicast_list(card->dev); } @@ -7028,38 +7776,41 @@ qeth_start_again(struct qeth_card *card) static void qeth_make_parameters_consistent(struct qeth_card *card) { - if (card->options.layer2) { - if (card->info.type == QETH_CARD_TYPE_IQD) { - PRINT_ERR("Device %s does not support " \ - "layer 2 functionality. " \ - "Ignoring layer2 option.\n",CARD_BUS_ID(card)); - } - IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER, - "Routing options are"); + if (card->options.layer2 == 0) + return; + if (card->info.type == QETH_CARD_TYPE_OSN) + return; + if (card->info.type == QETH_CARD_TYPE_IQD) { + PRINT_ERR("Device %s does not support layer 2 functionality." \ + " Ignoring layer2 option.\n",CARD_BUS_ID(card)); + card->options.layer2 = 0; + return; + } + IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER, + "Routing options are"); #ifdef CONFIG_QETH_IPV6 - IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER, - "Routing options are"); + IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER, + "Routing options are"); #endif - IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING, - QETH_CHECKSUM_DEFAULT, - "Checksumming options are"); - IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS, - QETH_TR_BROADCAST_ALLRINGS, - "Broadcast mode options are"); - IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL, - QETH_TR_MACADDR_NONCANONICAL, - "Canonical MAC addr options are"); - IGNORE_PARAM_NEQ(fake_broadcast, 0, 0, - "Broadcast faking options are"); - IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN, - DEFAULT_ADD_HHLEN,"Option add_hhlen is"); - IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is"); - } + IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING, + QETH_CHECKSUM_DEFAULT, + "Checksumming options are"); + IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS, + QETH_TR_BROADCAST_ALLRINGS, + "Broadcast mode options are"); + IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL, + QETH_TR_MACADDR_NONCANONICAL, + "Canonical MAC addr options are"); + IGNORE_PARAM_NEQ(fake_broadcast, 0, 0, + "Broadcast faking options are"); + IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN, + DEFAULT_ADD_HHLEN,"Option add_hhlen is"); + IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is"); } static int -qeth_set_online(struct ccwgroup_device *gdev) +__qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode) { struct qeth_card *card = gdev->dev.driver_data; int rc = 0; @@ -7084,8 +7835,7 @@ qeth_set_online(struct ccwgroup_device *gdev) return -EIO; } - if (card->options.layer2) - qeth_make_parameters_consistent(card); + qeth_make_parameters_consistent(card); if ((rc = qeth_hardsetup_card(card))){ QETH_DBF_TEXT_(setup, 2, "2err%d", rc); @@ -7109,25 +7859,22 @@ qeth_set_online(struct ccwgroup_device *gdev) QETH_DBF_TEXT_(setup, 2, "5err%d", rc); goto out_remove; } - card->state = CARD_STATE_SOFTSETUP; if ((rc = qeth_init_qdio_queues(card))){ QETH_DBF_TEXT_(setup, 2, "6err%d", rc); goto out_remove; } -/*maybe it was set offline without ifconfig down - * we can also use this state for recovery purposes*/ - if (card->options.layer2) - qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 0); - else - qeth_set_allowed_threads(card, 0xffffffff, 0); + card->state = CARD_STATE_SOFTSETUP; + netif_carrier_on(card->dev); + + qeth_set_allowed_threads(card, 0xffffffff, 0); if (recover_flag == CARD_STATE_RECOVER) - qeth_start_again(card); + qeth_start_again(card, recovery_mode); qeth_notify_processes(); return 0; out_remove: card->use_hard_stop = 1; - qeth_stop_card(card); + qeth_stop_card(card, 0); ccw_device_set_offline(CARD_DDEV(card)); ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); @@ -7138,9 +7885,16 @@ out_remove: return -ENODEV; } +static int +qeth_set_online(struct ccwgroup_device *gdev) +{ + return __qeth_set_online(gdev, 0); +} + static struct ccw_device_id qeth_ids[] = { - {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE}, - {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD}, + {CCW_DEVICE(0x1731, 0x01), .driver_info = QETH_CARD_TYPE_OSAE}, + {CCW_DEVICE(0x1731, 0x05), .driver_info = QETH_CARD_TYPE_IQD}, + {CCW_DEVICE(0x1731, 0x06), .driver_info = QETH_CARD_TYPE_OSN}, {}, }; MODULE_DEVICE_TABLE(ccw, qeth_ids); @@ -7187,31 +7941,31 @@ static int qeth_register_dbf_views(void) { qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME, - QETH_DBF_SETUP_INDEX, + QETH_DBF_SETUP_PAGES, QETH_DBF_SETUP_NR_AREAS, QETH_DBF_SETUP_LEN); qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME, - QETH_DBF_MISC_INDEX, + QETH_DBF_MISC_PAGES, QETH_DBF_MISC_NR_AREAS, QETH_DBF_MISC_LEN); qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME, - QETH_DBF_DATA_INDEX, + QETH_DBF_DATA_PAGES, QETH_DBF_DATA_NR_AREAS, QETH_DBF_DATA_LEN); qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME, - QETH_DBF_CONTROL_INDEX, + QETH_DBF_CONTROL_PAGES, QETH_DBF_CONTROL_NR_AREAS, QETH_DBF_CONTROL_LEN); qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME, - QETH_DBF_SENSE_INDEX, + QETH_DBF_SENSE_PAGES, QETH_DBF_SENSE_NR_AREAS, QETH_DBF_SENSE_LEN); qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME, - QETH_DBF_QERR_INDEX, + QETH_DBF_QERR_PAGES, QETH_DBF_QERR_NR_AREAS, QETH_DBF_QERR_LEN); qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME, - QETH_DBF_TRACE_INDEX, + QETH_DBF_TRACE_PAGES, QETH_DBF_TRACE_NR_AREAS, QETH_DBF_TRACE_LEN); @@ -7253,7 +8007,6 @@ static int (*qeth_old_arp_constructor) (struct neighbour *); static struct neigh_ops arp_direct_ops_template = { .family = AF_INET, - .destructor = NULL, .solicit = NULL, .error_report = NULL, .output = dev_queue_xmit, @@ -7278,7 +8031,7 @@ qeth_arp_constructor(struct neighbour *neigh) goto out; rcu_read_lock(); - in_dev = rcu_dereference(__in_dev_get(dev)); + in_dev = __in_dev_get_rcu(dev); if (in_dev == NULL) { rcu_read_unlock(); return -EINVAL; @@ -7289,7 +8042,7 @@ qeth_arp_constructor(struct neighbour *neigh) neigh->parms = neigh_parms_clone(parms); rcu_read_unlock(); - neigh->type = inet_addr_type(*(u32 *) neigh->primary_key); + neigh->type = inet_addr_type(*(__be32 *) neigh->primary_key); neigh->nud_state = NUD_NOARP; neigh->ops = arp_direct_ops; neigh->output = neigh->ops->queue_xmit; @@ -7457,8 +8210,7 @@ qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, } if (!qeth_add_ip(card, ipaddr)) kfree(ipaddr); - if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) - schedule_work(&card->kernel_thread_starter); + qeth_set_ip_addr_list(card); return rc; } @@ -7486,8 +8238,7 @@ qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, return; if (!qeth_delete_ip(card, ipaddr)) kfree(ipaddr); - if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) - schedule_work(&card->kernel_thread_starter); + qeth_set_ip_addr_list(card); } /* @@ -7530,8 +8281,7 @@ qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, } if (!qeth_add_ip(card, ipaddr)) kfree(ipaddr); - if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) - schedule_work(&card->kernel_thread_starter); + qeth_set_ip_addr_list(card); return 0; } @@ -7559,8 +8309,7 @@ qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, return; if (!qeth_delete_ip(card, ipaddr)) kfree(ipaddr); - if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) - schedule_work(&card->kernel_thread_starter); + qeth_set_ip_addr_list(card); } /** @@ -7602,15 +8351,14 @@ qeth_ip_event(struct notifier_block *this, default: break; } - if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) - schedule_work(&card->kernel_thread_starter); + qeth_set_ip_addr_list(card); out: return NOTIFY_DONE; } static struct notifier_block qeth_ip_notifier = { qeth_ip_event, - 0 + NULL, }; #ifdef CONFIG_QETH_IPV6 @@ -7655,40 +8403,42 @@ qeth_ip6_event(struct notifier_block *this, default: break; } - if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) - schedule_work(&card->kernel_thread_starter); + qeth_set_ip_addr_list(card); out: return NOTIFY_DONE; } static struct notifier_block qeth_ip6_notifier = { qeth_ip6_event, - 0 + NULL, }; #endif static int -qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr) +__qeth_reboot_event_card(struct device *dev, void *data) { - - struct device *entry; struct qeth_card *card; - down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - list_for_each_entry(entry, &qeth_ccwgroup_driver.driver.devices, - driver_list) { - card = (struct qeth_card *) entry->driver_data; - qeth_clear_ip_list(card, 0, 0); - qeth_qdio_clear_card(card, 0); - } - up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - return NOTIFY_DONE; + card = (struct qeth_card *) dev->driver_data; + qeth_clear_ip_list(card, 0, 0); + qeth_qdio_clear_card(card, 0); + return 0; +} + +static int +qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr) +{ + int ret; + + ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL, + __qeth_reboot_event_card); + return ret ? NOTIFY_BAD : NOTIFY_DONE; } static struct notifier_block qeth_reboot_notifier = { qeth_reboot_event, - 0 + NULL, }; static int @@ -7737,9 +8487,9 @@ static int qeth_ipv6_init(void) { qeth_old_arp_constructor = arp_tbl.constructor; - write_lock(&arp_tbl.lock); + write_lock_bh(&arp_tbl.lock); arp_tbl.constructor = qeth_arp_constructor; - write_unlock(&arp_tbl.lock); + write_unlock_bh(&arp_tbl.lock); arp_direct_ops = (struct neigh_ops*) kmalloc(sizeof(struct neigh_ops), GFP_KERNEL); @@ -7755,9 +8505,9 @@ qeth_ipv6_init(void) static void qeth_ipv6_uninit(void) { - write_lock(&arp_tbl.lock); + write_lock_bh(&arp_tbl.lock); arp_tbl.constructor = qeth_old_arp_constructor; - write_unlock(&arp_tbl.lock); + write_unlock_bh(&arp_tbl.lock); kfree(arp_direct_ops); } #endif /* CONFIG_QETH_IPV6 */ @@ -7765,34 +8515,44 @@ qeth_ipv6_uninit(void) static void qeth_sysfs_unregister(void) { + s390_root_dev_unregister(qeth_root_dev); qeth_remove_driver_attributes(); ccw_driver_unregister(&qeth_ccw_driver); ccwgroup_driver_unregister(&qeth_ccwgroup_driver); - s390_root_dev_unregister(qeth_root_dev); } + /** * register qeth at sysfs */ static int qeth_sysfs_register(void) { - int rc=0; + int rc; rc = ccwgroup_driver_register(&qeth_ccwgroup_driver); if (rc) - return rc; + goto out; + rc = ccw_driver_register(&qeth_ccw_driver); if (rc) - return rc; + goto out_ccw_driver; + rc = qeth_create_driver_attributes(); if (rc) - return rc; + goto out_qeth_attr; + qeth_root_dev = s390_root_dev_register("qeth"); - if (IS_ERR(qeth_root_dev)) { - rc = PTR_ERR(qeth_root_dev); - return rc; - } - return 0; + rc = IS_ERR(qeth_root_dev) ? PTR_ERR(qeth_root_dev) : 0; + if (!rc) + goto out; + + qeth_remove_driver_attributes(); +out_qeth_attr: + ccw_driver_unregister(&qeth_ccw_driver); +out_ccw_driver: + ccwgroup_driver_unregister(&qeth_ccwgroup_driver); +out: + return rc; } /*** @@ -7801,35 +8561,35 @@ qeth_sysfs_register(void) static int __init qeth_init(void) { - int rc=0; + int rc; - qeth_eyecatcher(); - PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n", - version, VERSION_QETH_C, VERSION_QETH_H, - VERSION_QETH_MPC_H, VERSION_QETH_MPC_C, - VERSION_QETH_FS_H, VERSION_QETH_PROC_C, - VERSION_QETH_SYS_C, QETH_VERSION_IPV6, - QETH_VERSION_VLAN); + PRINT_INFO("loading %s\n", version); INIT_LIST_HEAD(&qeth_card_list.list); INIT_LIST_HEAD(&qeth_notify_list); spin_lock_init(&qeth_notify_lock); rwlock_init(&qeth_card_list.rwlock); - if (qeth_register_dbf_views()) + rc = qeth_register_dbf_views(); + if (rc) goto out_err; - if (qeth_sysfs_register()) - goto out_sysfs; + + rc = qeth_sysfs_register(); + if (rc) + goto out_dbf; #ifdef CONFIG_QETH_IPV6 - if (qeth_ipv6_init()) { - PRINT_ERR("Out of memory during ipv6 init.\n"); + rc = qeth_ipv6_init(); + if (rc) { + PRINT_ERR("Out of memory during ipv6 init code = %d\n", rc); goto out_sysfs; } #endif /* QETH_IPV6 */ - if (qeth_register_notifiers()) + rc = qeth_register_notifiers(); + if (rc) goto out_ipv6; - if (qeth_create_procfs_entries()) + rc = qeth_create_procfs_entries(); + if (rc) goto out_notifiers; return rc; @@ -7839,12 +8599,13 @@ out_notifiers: out_ipv6: #ifdef CONFIG_QETH_IPV6 qeth_ipv6_uninit(); -#endif /* QETH_IPV6 */ out_sysfs: +#endif /* QETH_IPV6 */ qeth_sysfs_unregister(); +out_dbf: qeth_unregister_dbf_views(); out_err: - PRINT_ERR("Initialization failed"); + PRINT_ERR("Initialization failed with code %d\n", rc); return rc; } @@ -7884,10 +8645,12 @@ again: printk("qeth: removed\n"); } -EXPORT_SYMBOL(qeth_eyecatcher); +EXPORT_SYMBOL(qeth_osn_register); +EXPORT_SYMBOL(qeth_osn_deregister); +EXPORT_SYMBOL(qeth_osn_assist); module_init(qeth_init); module_exit(qeth_exit); -MODULE_AUTHOR("Frank Pavlic "); +MODULE_AUTHOR("Frank Pavlic "); MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \ "Copyright 2000,2003 IBM Corporation\n");