diff options
Diffstat (limited to 'drivers/s390/net')
| -rw-r--r-- | drivers/s390/net/Kconfig | 51 | ||||
| -rw-r--r-- | drivers/s390/net/claw.c | 2 | ||||
| -rw-r--r-- | drivers/s390/net/ctcm_main.c | 2 | ||||
| -rw-r--r-- | drivers/s390/net/lcs.c | 14 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core.h | 9 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 59 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_mpc.h | 2 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_sys.c | 2 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 29 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 267 |
10 files changed, 258 insertions, 179 deletions
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig index 456b18743397..fa80ba1f0344 100644 --- a/drivers/s390/net/Kconfig +++ b/drivers/s390/net/Kconfig @@ -2,7 +2,8 @@ menu "S/390 network device drivers" depends on NETDEVICES && S390 config LCS - tristate "Lan Channel Station Interface" + def_tristate m + prompt "Lan Channel Station Interface" depends on CCW && NETDEVICES && (NET_ETHERNET || TR || FDDI) help Select this option if you want to use LCS networking on IBM System z. @@ -12,7 +13,8 @@ config LCS If you do not know what it is, it's safe to choose Y. config CTCM - tristate "CTC and MPC SNA device support" + def_tristate m + prompt "CTC and MPC SNA device support" depends on CCW && NETDEVICES help Select this option if you want to use channel-to-channel @@ -26,7 +28,8 @@ config CTCM If you do not need any channel-to-channel connection, choose N. config NETIUCV - tristate "IUCV network device support (VM only)" + def_tristate m + prompt "IUCV network device support (VM only)" depends on IUCV && NETDEVICES help Select this option if you want to use inter-user communication @@ -37,14 +40,16 @@ config NETIUCV The module name is netiucv. If unsure, choose Y. config SMSGIUCV - tristate "IUCV special message support (VM only)" + def_tristate m + prompt "IUCV special message support (VM only)" depends on IUCV help Select this option if you want to be able to receive SMSG messages from other VM guest systems. config SMSGIUCV_EVENT - tristate "Deliver IUCV special messages as uevents (VM only)" + def_tristate m + prompt "Deliver IUCV special messages as uevents (VM only)" depends on SMSGIUCV help Select this option to deliver CP special messages (SMSGs) as @@ -54,7 +59,8 @@ config SMSGIUCV_EVENT To compile as a module, choose M. The module name is "smsgiucv_app". config CLAW - tristate "CLAW device support" + def_tristate m + prompt "CLAW device support" depends on CCW && NETDEVICES help This driver supports channel attached CLAW devices. @@ -64,7 +70,8 @@ config CLAW To compile into the kernel, choose Y. config QETH - tristate "Gigabit Ethernet device support" + def_tristate y + prompt "Gigabit Ethernet device support" depends on CCW && NETDEVICES && IP_MULTICAST && QDIO help This driver supports the IBM System z OSA Express adapters @@ -78,25 +85,25 @@ config QETH The module name is qeth. config QETH_L2 - tristate "qeth layer 2 device support" - depends on QETH - help - Select this option to be able to run qeth devices in layer 2 mode. - To compile as a module, choose M. The module name is qeth_l2. - If unsure, choose y. + def_tristate y + prompt "qeth layer 2 device support" + depends on QETH + help + Select this option to be able to run qeth devices in layer 2 mode. + To compile as a module, choose M. The module name is qeth_l2. + If unsure, choose y. config QETH_L3 - tristate "qeth layer 3 device support" - depends on QETH - help - Select this option to be able to run qeth devices in layer 3 mode. - To compile as a module choose M. The module name is qeth_l3. - If unsure, choose Y. + def_tristate y + prompt "qeth layer 3 device support" + depends on QETH + help + Select this option to be able to run qeth devices in layer 3 mode. + To compile as a module choose M. The module name is qeth_l3. + If unsure, choose Y. config QETH_IPV6 - bool - depends on (QETH_L3 = IPV6) || (QETH_L3 && IPV6 = 'y') - default y + def_bool y if (QETH_L3 = IPV6) || (QETH_L3 && IPV6 = 'y') config CCWGROUP tristate diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 8e4153d740f3..ce3a5c13ce0b 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -63,6 +63,7 @@ #define KMSG_COMPONENT "claw" +#include <linux/kernel_stat.h> #include <asm/ccwdev.h> #include <asm/ccwgroup.h> #include <asm/debug.h> @@ -640,6 +641,7 @@ claw_irq_handler(struct ccw_device *cdev, struct claw_env *p_env; struct chbk *p_ch_r=NULL; + kstat_cpu(smp_processor_id()).irqs[IOINT_CLW]++; CLAW_DBF_TEXT(4, trace, "clawirq"); /* Bypass all 'unsolicited interrupts' */ privptr = dev_get_drvdata(&cdev->dev); diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index 2c7d2d9be4d0..4c2845985927 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -24,6 +24,7 @@ #define KMSG_COMPONENT "ctcm" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/module.h> #include <linux/init.h> #include <linux/kernel.h> @@ -1204,6 +1205,7 @@ static void ctcm_irq_handler(struct ccw_device *cdev, int cstat; int dstat; + kstat_cpu(smp_processor_id()).irqs[IOINT_CTC]++; CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG, "Enter %s(%s)", CTCM_FUNTAIL, dev_name(&cdev->dev)); diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 0f19d540b655..30b2a820e670 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -26,6 +26,7 @@ #define KMSG_COMPONENT "lcs" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/module.h> #include <linux/if.h> #include <linux/netdevice.h> @@ -840,7 +841,7 @@ lcs_notify_lancmd_waiters(struct lcs_card *card, struct lcs_cmd *cmd) } /** - * Emit buffer of a lan comand. + * Emit buffer of a lan command. */ static void lcs_lancmd_timeout(unsigned long data) @@ -1188,7 +1189,8 @@ lcs_remove_mc_addresses(struct lcs_card *card, struct in_device *in4_dev) spin_lock_irqsave(&card->ipm_lock, flags); list_for_each(l, &card->ipm_list) { ipm = list_entry(l, struct lcs_ipm_list, list); - for (im4 = in4_dev->mc_list; im4 != NULL; im4 = im4->next) { + for (im4 = rcu_dereference(in4_dev->mc_list); + im4 != NULL; im4 = rcu_dereference(im4->next_rcu)) { lcs_get_mac_for_ipm(im4->multiaddr, buf, card->dev); if ( (ipm->ipm.ip_addr == im4->multiaddr) && (memcmp(buf, &ipm->ipm.mac_addr, @@ -1233,7 +1235,8 @@ lcs_set_mc_addresses(struct lcs_card *card, struct in_device *in4_dev) unsigned long flags; LCS_DBF_TEXT(4, trace, "setmclst"); - for (im4 = in4_dev->mc_list; im4; im4 = im4->next) { + for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; + im4 = rcu_dereference(im4->next_rcu)) { lcs_get_mac_for_ipm(im4->multiaddr, buf, card->dev); ipm = lcs_check_addr_entry(card, im4, buf); if (ipm != NULL) @@ -1269,10 +1272,10 @@ lcs_register_mc_addresses(void *data) in4_dev = in_dev_get(card->dev); if (in4_dev == NULL) goto out; - read_lock(&in4_dev->mc_list_lock); + rcu_read_lock(); lcs_remove_mc_addresses(card,in4_dev); lcs_set_mc_addresses(card, in4_dev); - read_unlock(&in4_dev->mc_list_lock); + rcu_read_unlock(); in_dev_put(in4_dev); netif_carrier_off(card->dev); @@ -1396,6 +1399,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) int rc, index; int cstat, dstat; + kstat_cpu(smp_processor_id()).irqs[IOINT_LCS]++; if (lcs_check_irb_error(cdev, irb)) return; diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 6be43eb126b4..f47a714538db 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -440,7 +440,6 @@ struct qeth_qdio_out_q { * index of buffer to be filled by driver; state EMPTY or PACKING */ int next_buf_to_fill; - int sync_iqdio_error; /* * number of buffers that are currently filled (PRIMED) * -> these buffers are hardware-owned @@ -695,14 +694,6 @@ struct qeth_mc_mac { int is_vmac; }; -struct qeth_skb_data { - __u32 magic; - int count; -}; - -#define QETH_SKB_MAGIC 0x71657468 -#define QETH_SIGA_CC2_RETRIES 3 - struct qeth_rx { int b_count; int b_index; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 764267062601..29f848bfc12f 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -877,8 +877,8 @@ out: return; } -static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf, unsigned int qeth_skip_skb) +static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, + struct qeth_qdio_out_buffer *buf) { int i; struct sk_buff *skb; @@ -887,13 +887,11 @@ static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, if (buf->buffer->element[0].flags & 0x40) atomic_dec(&queue->set_pci_flags_count); - if (!qeth_skip_skb) { + skb = skb_dequeue(&buf->skb_list); + while (skb) { + atomic_dec(&skb->users); + dev_kfree_skb_any(skb); skb = skb_dequeue(&buf->skb_list); - while (skb) { - atomic_dec(&skb->users); - dev_kfree_skb_any(skb); - skb = skb_dequeue(&buf->skb_list); - } } for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) { if (buf->buffer->element[i].addr && buf->is_header[i]) @@ -909,12 +907,6 @@ static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); } -static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf) -{ - __qeth_clear_output_buffer(queue, buf, 0); -} - void qeth_clear_qdio_buffers(struct qeth_card *card) { int i, j; @@ -2833,7 +2825,6 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, } } - queue->sync_iqdio_error = 0; queue->card->dev->trans_start = jiffies; if (queue->card->options.performance_stats) { queue->card->perf_stats.outbound_do_qdio_cnt++; @@ -2849,10 +2840,7 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() - queue->card->perf_stats.outbound_do_qdio_start_time; - if (rc > 0) { - if (!(rc & QDIO_ERROR_SIGA_BUSY)) - queue->sync_iqdio_error = rc & 3; - } + atomic_add(count, &queue->used_buffers); if (rc) { queue->card->stats.tx_errors += count; /* ignore temporary SIGA errors without busy condition */ @@ -2866,7 +2854,6 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, qeth_schedule_recovery(queue->card); return; } - atomic_add(count, &queue->used_buffers); if (queue->card->options.performance_stats) queue->card->perf_stats.bufs_sent += count; } @@ -2916,7 +2903,7 @@ void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue, { struct qeth_card *card = (struct qeth_card *)card_ptr; - if (card->dev) + if (card->dev && (card->dev->flags & IFF_UP)) napi_schedule(&card->napi); } EXPORT_SYMBOL_GPL(qeth_qdio_start_poll); @@ -2940,7 +2927,6 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev, struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; struct qeth_qdio_out_buffer *buffer; int i; - unsigned qeth_send_err; QETH_CARD_TEXT(card, 6, "qdouhdl"); if (qdio_error & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) { @@ -2956,9 +2942,8 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev, } for (i = first_element; i < (first_element + count); ++i) { buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; - qeth_send_err = qeth_handle_send_error(card, buffer, qdio_error); - __qeth_clear_output_buffer(queue, buffer, - (qeth_send_err == QETH_SEND_ERROR_RETRY) ? 1 : 0); + qeth_handle_send_error(card, buffer, qdio_error); + qeth_clear_output_buffer(queue, buffer); } atomic_sub(count, &queue->used_buffers); /* check if we need to do something on this outbound queue */ @@ -3183,10 +3168,7 @@ int qeth_do_send_packet_fast(struct qeth_card *card, int offset, int hd_len) { struct qeth_qdio_out_buffer *buffer; - struct sk_buff *skb1; - struct qeth_skb_data *retry_ctrl; int index; - int rc; /* spin until we get the queue ... */ while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, @@ -3205,25 +3187,6 @@ int qeth_do_send_packet_fast(struct qeth_card *card, atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len); qeth_flush_buffers(queue, index, 1); - if (queue->sync_iqdio_error == 2) { - skb1 = skb_dequeue(&buffer->skb_list); - while (skb1) { - atomic_dec(&skb1->users); - skb1 = skb_dequeue(&buffer->skb_list); - } - retry_ctrl = (struct qeth_skb_data *) &skb->cb[16]; - if (retry_ctrl->magic != QETH_SKB_MAGIC) { - retry_ctrl->magic = QETH_SKB_MAGIC; - retry_ctrl->count = 0; - } - if (retry_ctrl->count < QETH_SIGA_CC2_RETRIES) { - retry_ctrl->count++; - rc = dev_queue_xmit(skb); - } else { - dev_kfree_skb_any(skb); - QETH_CARD_TEXT(card, 2, "qrdrop"); - } - } return 0; out: atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); @@ -3868,6 +3831,8 @@ static int qeth_qdio_establish(struct qeth_card *card) init_data.int_parm = (unsigned long) card; init_data.input_sbal_addr_array = (void **) in_sbal_ptrs; init_data.output_sbal_addr_array = (void **) out_sbal_ptrs; + init_data.scan_threshold = + (card->info.type == QETH_CARD_TYPE_IQD) ? 8 : 32; if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED, QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) { diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h index e37dd8c4bf4e..07d588867b57 100644 --- a/drivers/s390/net/qeth_core_mpc.h +++ b/drivers/s390/net/qeth_core_mpc.h @@ -333,7 +333,7 @@ struct qeth_arp_query_data { __u16 request_bits; __u16 reply_bits; __u32 no_entries; - char data; + char data; /* only for replies */ } __attribute__((packed)); /* used as parameter for arp_query reply */ diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c index 42fa783a70c8..b5e967cf7e2d 100644 --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -372,7 +372,7 @@ static ssize_t qeth_dev_performance_stats_store(struct device *dev, i = simple_strtoul(buf, &tmp, 16); if ((i == 0) || (i == 1)) { if (i == card->options.performance_stats) - goto out;; + goto out; card->options.performance_stats = i; if (i == 0) memset(&card->perf_stats, 0, diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 847e8797073c..2ac8f6aff5a4 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -831,12 +831,14 @@ tx_drop: return NETDEV_TX_OK; } -static int qeth_l2_open(struct net_device *dev) +static int __qeth_l2_open(struct net_device *dev) { struct qeth_card *card = dev->ml_priv; int rc = 0; QETH_CARD_TEXT(card, 4, "qethopen"); + if (card->state == CARD_STATE_UP) + return rc; if (card->state != CARD_STATE_SOFTSETUP) return -ENODEV; @@ -849,8 +851,6 @@ static int qeth_l2_open(struct net_device *dev) card->state = CARD_STATE_UP; netif_start_queue(dev); - if (!card->lan_online && netif_carrier_ok(dev)) - netif_carrier_off(dev); if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { napi_enable(&card->napi); napi_schedule(&card->napi); @@ -859,6 +859,18 @@ static int qeth_l2_open(struct net_device *dev) return rc; } +static int qeth_l2_open(struct net_device *dev) +{ + struct qeth_card *card = dev->ml_priv; + + QETH_CARD_TEXT(card, 5, "qethope_"); + if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { + QETH_CARD_TEXT(card, 3, "openREC"); + return -ERESTARTSYS; + } + return __qeth_l2_open(dev); +} + static int qeth_l2_stop(struct net_device *dev) { struct qeth_card *card = dev->ml_priv; @@ -1013,13 +1025,14 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) dev_warn(&card->gdev->dev, "The LAN is offline\n"); card->lan_online = 0; - goto out; + goto contin; } rc = -ENODEV; goto out_remove; } else card->lan_online = 1; +contin: if ((card->info.type == QETH_CARD_TYPE_OSD) || (card->info.type == QETH_CARD_TYPE_OSX)) /* configure isolation level */ @@ -1038,13 +1051,16 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) goto out_remove; } card->state = CARD_STATE_SOFTSETUP; - netif_carrier_on(card->dev); + if (card->lan_online) + netif_carrier_on(card->dev); + else + netif_carrier_off(card->dev); qeth_set_allowed_threads(card, 0xffffffff, 0); if (recover_flag == CARD_STATE_RECOVER) { if (recovery_mode && card->info.type != QETH_CARD_TYPE_OSN) { - qeth_l2_open(card->dev); + __qeth_l2_open(card->dev); } else { rtnl_lock(); dev_open(card->dev); @@ -1055,7 +1071,6 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) } /* let user_space know that device is online */ kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); -out: mutex_unlock(&card->conf_mutex); mutex_unlock(&card->discipline_mutex); return 0; diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 74d1401a5d5e..d09b0c44fc3d 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -30,6 +30,7 @@ #include "qeth_l3.h" + static int qeth_l3_set_offline(struct ccwgroup_device *); static int qeth_l3_recover(void *); static int qeth_l3_stop(struct net_device *); @@ -455,8 +456,11 @@ static void qeth_l3_set_ip_addr_list(struct qeth_card *card) QETH_CARD_TEXT(card, 2, "sdiplist"); QETH_CARD_HEX(card, 2, &card, sizeof(void *)); - if (card->options.sniffer) + if ((card->state != CARD_STATE_UP && + card->state != CARD_STATE_SOFTSETUP) || card->options.sniffer) { return; + } + spin_lock_irqsave(&card->ip_lock, flags); tbd_list = card->ip_tbd_list; card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); @@ -1796,7 +1800,8 @@ static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) char buf[MAX_ADDR_LEN]; QETH_CARD_TEXT(card, 4, "addmc"); - for (im4 = in4_dev->mc_list; im4; im4 = im4->next) { + for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; + im4 = rcu_dereference(im4->next_rcu)) { qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); if (!ipm) @@ -1828,9 +1833,9 @@ static void qeth_l3_add_vlan_mc(struct qeth_card *card) in_dev = in_dev_get(netdev); if (!in_dev) continue; - read_lock(&in_dev->mc_list_lock); + rcu_read_lock(); qeth_l3_add_mc(card, in_dev); - read_unlock(&in_dev->mc_list_lock); + rcu_read_unlock(); in_dev_put(in_dev); } } @@ -1843,10 +1848,10 @@ static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) in4_dev = in_dev_get(card->dev); if (in4_dev == NULL) return; - read_lock(&in4_dev->mc_list_lock); + rcu_read_lock(); qeth_l3_add_mc(card, in4_dev); qeth_l3_add_vlan_mc(card); - read_unlock(&in4_dev->mc_list_lock); + rcu_read_unlock(); in_dev_put(in4_dev); } @@ -2454,22 +2459,46 @@ static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) return rc; } -static void qeth_l3_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo, - struct qeth_arp_query_data *qdata, int entry_size, - int uentry_size) +static __u32 get_arp_entry_size(struct qeth_card *card, + struct qeth_arp_query_data *qdata, + struct qeth_arp_entrytype *type, __u8 strip_entries) { - char *entry_ptr; - char *uentry_ptr; - int i; + __u32 rc; + __u8 is_hsi; - entry_ptr = (char *)&qdata->data; - uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset); - for (i = 0; i < qdata->no_entries; ++i) { - /* strip off 32 bytes "media specific information" */ - memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32); - entry_ptr += entry_size; - uentry_ptr += uentry_size; + is_hsi = qdata->reply_bits == 5; + if (type->ip == QETHARP_IP_ADDR_V4) { + QETH_CARD_TEXT(card, 4, "arpev4"); + if (strip_entries) { + rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : + sizeof(struct qeth_arp_qi_entry7_short); + } else { + rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : + sizeof(struct qeth_arp_qi_entry7); + } + } else if (type->ip == QETHARP_IP_ADDR_V6) { + QETH_CARD_TEXT(card, 4, "arpev6"); + if (strip_entries) { + rc = is_hsi ? + sizeof(struct qeth_arp_qi_entry5_short_ipv6) : + sizeof(struct qeth_arp_qi_entry7_short_ipv6); + } else { + rc = is_hsi ? + sizeof(struct qeth_arp_qi_entry5_ipv6) : + sizeof(struct qeth_arp_qi_entry7_ipv6); + } + } else { + QETH_CARD_TEXT(card, 4, "arpinv"); + rc = 0; } + + return rc; +} + +static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) +{ + return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || + (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); } static int qeth_l3_arp_query_cb(struct qeth_card *card, @@ -2478,72 +2507,77 @@ static int qeth_l3_arp_query_cb(struct qeth_card *card, struct qeth_ipa_cmd *cmd; struct qeth_arp_query_data *qdata; struct qeth_arp_query_info *qinfo; - int entry_size; - int uentry_size; int i; + int e; + int entrybytes_done; + int stripped_bytes; + __u8 do_strip_entries; - QETH_CARD_TEXT(card, 4, "arpquecb"); + QETH_CARD_TEXT(card, 3, "arpquecb"); qinfo = (struct qeth_arp_query_info *) reply->param; cmd = (struct qeth_ipa_cmd *) data; + QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); if (cmd->hdr.return_code) { - QETH_CARD_TEXT_(card, 4, "qaer1%i", cmd->hdr.return_code); + QETH_CARD_TEXT(card, 4, "arpcberr"); + QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); return 0; } if (cmd->data.setassparms.hdr.return_code) { cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; - QETH_CARD_TEXT_(card, 4, "qaer2%i", cmd->hdr.return_code); + QETH_CARD_TEXT(card, 4, "setaperr"); + QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); return 0; } qdata = &cmd->data.setassparms.data.query_arp; - switch (qdata->reply_bits) { - case 5: - uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5); - if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) - uentry_size = sizeof(struct qeth_arp_qi_entry5_short); - break; - case 7: - /* fall through to default */ - default: - /* tr is the same as eth -> entry7 */ - uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7); - if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) - uentry_size = sizeof(struct qeth_arp_qi_entry7_short); - break; - } - /* check if there is enough room in userspace */ - if ((qinfo->udata_len - qinfo->udata_offset) < - qdata->no_entries * uentry_size){ - QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); - cmd->hdr.return_code = -ENOMEM; - goto out_error; - } - QETH_CARD_TEXT_(card, 4, "anore%i", - cmd->data.setassparms.hdr.number_of_replies); - QETH_CARD_TEXT_(card, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no); QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); - if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) { - /* strip off "media specific information" */ - qeth_l3_copy_arp_entries_stripped(qinfo, qdata, entry_size, - uentry_size); - } else - /*copy entries to user buffer*/ - memcpy(qinfo->udata + qinfo->udata_offset, - (char *)&qdata->data, qdata->no_entries*uentry_size); + do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; + stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; + entrybytes_done = 0; + for (e = 0; e < qdata->no_entries; ++e) { + char *cur_entry; + __u32 esize; + struct qeth_arp_entrytype *etype; + + cur_entry = &qdata->data + entrybytes_done; + etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; + if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { + QETH_CARD_TEXT(card, 4, "pmis"); + QETH_CARD_TEXT_(card, 4, "%i", etype->ip); + break; + } + esize = get_arp_entry_size(card, qdata, etype, + do_strip_entries); + QETH_CARD_TEXT_(card, 5, "esz%i", esize); + if (!esize) + break; + + if ((qinfo->udata_len - qinfo->udata_offset) < esize) { + QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); + cmd->hdr.return_code = -ENOMEM; + goto out_error; + } - qinfo->no_entries += qdata->no_entries; - qinfo->udata_offset += (qdata->no_entries*uentry_size); + memcpy(qinfo->udata + qinfo->udata_offset, + &qdata->data + entrybytes_done + stripped_bytes, + esize); + entrybytes_done += esize + stripped_bytes; + qinfo->udata_offset += esize; + ++qinfo->no_entries; + } /* check if all replies received ... */ if (cmd->data.setassparms.hdr.seq_no < cmd->data.setassparms.hdr.number_of_replies) return 1; + QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); memcpy(qinfo->udata, &qinfo->no_entries, 4); /* keep STRIP_ENTRIES flag so the user program can distinguish * stripped entries from normal ones */ if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); + QETH_CARD_TEXT_(card, 4, "rc%i", 0); return 0; out_error: i = 0; @@ -2566,45 +2600,86 @@ static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, reply_cb, reply_param); } -static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) +static int qeth_l3_query_arp_cache_info(struct qeth_card *card, + enum qeth_prot_versions prot, + struct qeth_arp_query_info *qinfo) { struct qeth_cmd_buffer *iob; - struct qeth_arp_query_info qinfo = {0, }; + struct qeth_ipa_cmd *cmd; int tmp; int rc; + QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); + + iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, + IPA_CMD_ASS_ARP_QUERY_INFO, + sizeof(struct qeth_arp_query_data) - sizeof(char), + prot); + cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); + cmd->data.setassparms.data.query_arp.request_bits = 0x000F; + cmd->data.setassparms.data.query_arp.reply_bits = 0; + cmd->data.setassparms.data.query_arp.no_entries = 0; + rc = qeth_l3_send_ipa_arp_cmd(card, iob, + QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, + qeth_l3_arp_query_cb, (void *)qinfo); + if (rc) { + tmp = rc; + QETH_DBF_MESSAGE(2, + "Error while querying ARP cache on %s: %s " + "(0x%x/%d)\n", QETH_CARD_IFNAME(card), + qeth_l3_arp_get_error_cause(&rc), tmp, tmp); + } + + return rc; +} + +static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) +{ + struct qeth_arp_query_info qinfo = {0, }; + int rc; + QETH_CARD_TEXT(card, 3, "arpquery"); if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ IPA_ARP_PROCESSING)) { - return -EOPNOTSUPP; + QETH_CARD_TEXT(card, 3, "arpqnsup"); + rc = -EOPNOTSUPP; + goto out; } /* get size of userspace buffer and mask_bits -> 6 bytes */ - if (copy_from_user(&qinfo, udata, 6)) - return -EFAULT; + if (copy_from_user(&qinfo, udata, 6)) { + rc = -EFAULT; + goto out; + } qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); - if (!qinfo.udata) - return -ENOMEM; + if (!qinfo.udata) { + rc = -ENOMEM; + goto out; + } qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; - iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, - IPA_CMD_ASS_ARP_QUERY_INFO, - sizeof(int), QETH_PROT_IPV4); - - rc = qeth_l3_send_ipa_arp_cmd(card, iob, - QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, - qeth_l3_arp_query_cb, (void *)&qinfo); + rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); if (rc) { - tmp = rc; - QETH_DBF_MESSAGE(2, "Error while querying ARP cache on %s: %s " - "(0x%x/%d)\n", QETH_CARD_IFNAME(card), - qeth_l3_arp_get_error_cause(&rc), tmp, tmp); if (copy_to_user(udata, qinfo.udata, 4)) rc = -EFAULT; + goto free_and_out; } else { - if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) +#ifdef CONFIG_QETH_IPV6 + if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { + /* fails in case of GuestLAN QDIO mode */ + qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, + &qinfo); + } +#endif + if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { + QETH_CARD_TEXT(card, 4, "qactf"); rc = -EFAULT; + goto free_and_out; + } + QETH_CARD_TEXT_(card, 4, "qacts"); } +free_and_out: kfree(qinfo.udata); +out: return rc; } @@ -2923,7 +2998,9 @@ static inline void qeth_l3_hdr_csum(struct qeth_card *card, */ if (iph->protocol == IPPROTO_UDP) hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP; - hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ; + hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ | + QETH_HDR_EXT_CSUM_HDR_REQ; + iph->check = 0; if (card->options.performance_stats) card->perf_stats.tx_csum++; } @@ -2938,6 +3015,7 @@ static void qeth_tso_fill_header(struct qeth_card *card, /*fix header to TSO values ...*/ hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; + hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso); /*set values which are fix for the first approach ...*/ hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); hdr->ext.imb_hdr_no = 1; @@ -3039,7 +3117,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_pull(new_skb, ETH_HLEN); } - if (ipv == 6 && card->vlangrp && + if (ipv != 4 && card->vlangrp && vlan_tx_tag_present(new_skb)) { skb_push(new_skb, VLAN_HLEN); skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); @@ -3164,20 +3242,20 @@ tx_drop: return NETDEV_TX_OK; } -static int qeth_l3_open(struct net_device *dev) +static int __qeth_l3_open(struct net_device *dev) { struct qeth_card *card = dev->ml_priv; int rc = 0; QETH_CARD_TEXT(card, 4, "qethopen"); + if (card->state == CARD_STATE_UP) + return rc; if (card->state != CARD_STATE_SOFTSETUP) return -ENODEV; card->data.state = CH_STATE_UP; card->state = CARD_STATE_UP; netif_start_queue(dev); - if (!card->lan_online && netif_carrier_ok(dev)) - netif_carrier_off(dev); if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { napi_enable(&card->napi); napi_schedule(&card->napi); @@ -3186,6 +3264,18 @@ static int qeth_l3_open(struct net_device *dev) return rc; } +static int qeth_l3_open(struct net_device *dev) +{ + struct qeth_card *card = dev->ml_priv; + + QETH_CARD_TEXT(card, 5, "qethope_"); + if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { + QETH_CARD_TEXT(card, 3, "openREC"); + return -ERESTARTSYS; + } + return __qeth_l3_open(dev); +} + static int qeth_l3_stop(struct net_device *dev) { struct qeth_card *card = dev->ml_priv; @@ -3449,13 +3539,14 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) dev_warn(&card->gdev->dev, "The LAN is offline\n"); card->lan_online = 0; - goto out; + goto contin; } rc = -ENODEV; goto out_remove; } else card->lan_online = 1; +contin: rc = qeth_l3_setadapter_parms(card); if (rc) QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); @@ -3480,13 +3571,16 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) goto out_remove; } card->state = CARD_STATE_SOFTSETUP; - netif_carrier_on(card->dev); qeth_set_allowed_threads(card, 0xffffffff, 0); qeth_l3_set_ip_addr_list(card); + if (card->lan_online) + netif_carrier_on(card->dev); + else + netif_carrier_off(card->dev); if (recover_flag == CARD_STATE_RECOVER) { if (recovery_mode) - qeth_l3_open(card->dev); + __qeth_l3_open(card->dev); else { rtnl_lock(); dev_open(card->dev); @@ -3496,7 +3590,6 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) } /* let user_space know that device is online */ kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); -out: mutex_unlock(&card->conf_mutex); mutex_unlock(&card->discipline_mutex); return 0; |