diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core.h | 8 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 256 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_mpc.c | 1 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_mpc.h | 5 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_sys.c | 3 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 16 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 35 |
8 files changed, 216 insertions, 112 deletions
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig index dfda748c4000..8b3f55991805 100644 --- a/drivers/s390/net/Kconfig +++ b/drivers/s390/net/Kconfig @@ -74,8 +74,8 @@ config QETH depends on CCW && NETDEVICES && IP_MULTICAST && QDIO help This driver supports the IBM System z OSA Express adapters - in QDIO mode (all media types), HiperSockets interfaces and VM GuestLAN - interfaces in QDIO and HIPER mode. + in QDIO mode (all media types), HiperSockets interfaces and z/VM + virtual NICs for Guest LAN and VSWITCH. For details please refer to the documentation provided by IBM at <http://www.ibm.com/developerworks/linux/linux390> diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 480fbeab0256..d690b33846cc 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -678,6 +678,7 @@ struct qeth_card_options { int performance_stats; int rx_sg_cb; enum qeth_ipa_isolation_modes isolation; + enum qeth_ipa_isolation_modes prev_isolation; int sniffer; enum qeth_cq cq; char hsuid[9]; @@ -789,6 +790,7 @@ struct qeth_card { struct qeth_rx rx; struct delayed_work buffer_reclaim_work; int reclaim_index; + struct work_struct close_dev_work; }; struct qeth_card_list_struct { @@ -909,9 +911,6 @@ struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); int qeth_mdio_read(struct net_device *, int, int); int qeth_snmp_command(struct qeth_card *, char __user *); int qeth_query_oat_command(struct qeth_card *, char __user *); -struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); -int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, - unsigned long); int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), void *reply_param); @@ -928,12 +927,13 @@ void qeth_core_get_strings(struct net_device *, u32, u8 *); void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); -int qeth_set_access_ctrl_online(struct qeth_card *card); +int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); int qeth_hdr_chk_and_bounce(struct sk_buff *, int); int qeth_configure_cq(struct qeth_card *, enum qeth_cq); int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); void qeth_trace_features(struct qeth_card *); +void qeth_close_dev(struct qeth_card *); /* exports for OSN */ int qeth_osn_assist(struct net_device *, void *, int); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 638a57f4d8a1..0d8cdff81813 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -68,6 +68,27 @@ static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, enum qeth_qdio_buffer_states newbufstate); static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int); +static struct workqueue_struct *qeth_wq; + +static void qeth_close_dev_handler(struct work_struct *work) +{ + struct qeth_card *card; + + card = container_of(work, struct qeth_card, close_dev_work); + QETH_CARD_TEXT(card, 2, "cldevhdl"); + rtnl_lock(); + dev_close(card->dev); + rtnl_unlock(); + ccwgroup_set_offline(card->gdev); +} + +void qeth_close_dev(struct qeth_card *card) +{ + QETH_CARD_TEXT(card, 2, "cldevsubm"); + queue_work(qeth_wq, &card->close_dev_work); +} +EXPORT_SYMBOL_GPL(qeth_close_dev); + static inline const char *qeth_get_cardname(struct qeth_card *card) { if (card->info.guestlan) { @@ -542,11 +563,23 @@ static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card, } else { switch (cmd->hdr.command) { case IPA_CMD_STOPLAN: - dev_warn(&card->gdev->dev, + if (cmd->hdr.return_code == + IPA_RC_VEPA_TO_VEB_TRANSITION) { + dev_err(&card->gdev->dev, + "Interface %s is down because the " + "adjacent port is no longer in " + "reflective relay mode\n", + QETH_CARD_IFNAME(card)); + qeth_close_dev(card); + } else { + dev_warn(&card->gdev->dev, "The link for interface %s on CHPID" " 0x%X failed\n", QETH_CARD_IFNAME(card), card->info.chpid); + qeth_issue_ipa_msg(cmd, + cmd->hdr.return_code, card); + } card->lan_online = 0; if (card->dev && netif_carrier_ok(card->dev)) netif_carrier_off(card->dev); @@ -1416,6 +1449,7 @@ static int qeth_setup_card(struct qeth_card *card) /* init QDIO stuff */ qeth_init_qdio_info(card); INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work); + INIT_WORK(&card->close_dev_work, qeth_close_dev_handler); return 0; } @@ -2868,7 +2902,7 @@ int qeth_send_startlan(struct qeth_card *card) } EXPORT_SYMBOL_GPL(qeth_send_startlan); -int qeth_default_setadapterparms_cb(struct qeth_card *card, +static int qeth_default_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd; @@ -2881,7 +2915,6 @@ int qeth_default_setadapterparms_cb(struct qeth_card *card, cmd->data.setadapterparms.hdr.return_code; return 0; } -EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb); static int qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) @@ -2901,7 +2934,7 @@ static int qeth_query_setadapterparms_cb(struct qeth_card *card, return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); } -struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card, +static struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen) { struct qeth_cmd_buffer *iob; @@ -2917,7 +2950,6 @@ struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card, return iob; } -EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd); int qeth_query_setadapterparms(struct qeth_card *card) { @@ -4059,6 +4091,7 @@ static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card, { struct qeth_ipa_cmd *cmd; struct qeth_set_access_ctrl *access_ctrl_req; + int fallback = *(int *)reply->param; QETH_CARD_TEXT(card, 4, "setaccb"); @@ -4068,12 +4101,14 @@ static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card, QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name); QETH_DBF_TEXT_(SETUP, 2, "rc=%d", cmd->data.setadapterparms.hdr.return_code); + if (cmd->data.setadapterparms.hdr.return_code != + SET_ACCESS_CTRL_RC_SUCCESS) + QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n", + card->gdev->dev.kobj.name, + access_ctrl_req->subcmd_code, + cmd->data.setadapterparms.hdr.return_code); switch (cmd->data.setadapterparms.hdr.return_code) { case SET_ACCESS_CTRL_RC_SUCCESS: - case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED: - case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED: - { - card->options.isolation = access_ctrl_req->subcmd_code; if (card->options.isolation == ISOLATION_MODE_NONE) { dev_info(&card->gdev->dev, "QDIO data connection isolation is deactivated\n"); @@ -4081,72 +4116,64 @@ static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card, dev_info(&card->gdev->dev, "QDIO data connection isolation is activated\n"); } - QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); break; - } + case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED: + QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already " + "deactivated\n", dev_name(&card->gdev->dev)); + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; + case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED: + QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already" + " activated\n", dev_name(&card->gdev->dev)); + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; case SET_ACCESS_CTRL_RC_NOT_SUPPORTED: - { - QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); dev_err(&card->gdev->dev, "Adapter does not " "support QDIO data connection isolation\n"); - - /* ensure isolation mode is "none" */ - card->options.isolation = ISOLATION_MODE_NONE; break; - } case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER: - { - QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); dev_err(&card->gdev->dev, "Adapter is dedicated. " "QDIO data connection isolation not supported\n"); - - /* ensure isolation mode is "none" */ - card->options.isolation = ISOLATION_MODE_NONE; + if (fallback) + card->options.isolation = card->options.prev_isolation; break; - } case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF: - { - QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); dev_err(&card->gdev->dev, "TSO does not permit QDIO data connection isolation\n"); - - /* ensure isolation mode is "none" */ - card->options.isolation = ISOLATION_MODE_NONE; + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; + case SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED: + dev_err(&card->gdev->dev, "The adjacent switch port does not " + "support reflective relay mode\n"); + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; + case SET_ACCESS_CTRL_RC_REFLREL_FAILED: + dev_err(&card->gdev->dev, "The reflective relay mode cannot be " + "enabled at the adjacent switch port"); + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; + case SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED: + dev_warn(&card->gdev->dev, "Turning off reflective relay mode " + "at the adjacent switch failed\n"); break; - } default: - { /* this should never happen */ - QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d" - "==UNKNOWN\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); - - /* ensure isolation mode is "none" */ - card->options.isolation = ISOLATION_MODE_NONE; + if (fallback) + card->options.isolation = card->options.prev_isolation; break; } - } qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); return 0; } static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card, - enum qeth_ipa_isolation_modes isolation) + enum qeth_ipa_isolation_modes isolation, int fallback) { int rc; struct qeth_cmd_buffer *iob; @@ -4166,12 +4193,12 @@ static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card, access_ctrl_req->subcmd_code = isolation; rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb, - NULL); + &fallback); QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc); return rc; } -int qeth_set_access_ctrl_online(struct qeth_card *card) +int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback) { int rc = 0; @@ -4181,12 +4208,13 @@ int qeth_set_access_ctrl_online(struct qeth_card *card) card->info.type == QETH_CARD_TYPE_OSX) && qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) { rc = qeth_setadpparms_set_access_ctrl(card, - card->options.isolation); + card->options.isolation, fallback); if (rc) { QETH_DBF_MESSAGE(3, "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n", card->gdev->dev.kobj.name, rc); + rc = -EOPNOTSUPP; } } else if (card->options.isolation != ISOLATION_MODE_NONE) { card->options.isolation = ISOLATION_MODE_NONE; @@ -4672,7 +4700,7 @@ static int qeth_qdio_establish(struct qeth_card *card) init_data.output_sbal_addr_array = (void **) out_sbal_ptrs; init_data.output_sbal_state_array = card->qdio.out_bufstates; init_data.scan_threshold = - (card->info.type == QETH_CARD_TYPE_IQD) ? 8 : 32; + (card->info.type == QETH_CARD_TYPE_IQD) ? 1 : 32; if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED, QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) { @@ -4765,14 +4793,14 @@ static struct ccw_driver qeth_ccw_driver = { int qeth_core_hardsetup_card(struct qeth_card *card) { - int retries = 0; + int retries = 3; int rc; QETH_DBF_TEXT(SETUP, 2, "hrdsetup"); atomic_set(&card->force_alloc_skb, 0); qeth_update_from_chp_desc(card); retry: - if (retries) + if (retries < 3) QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n", dev_name(&card->gdev->dev)); ccw_device_set_offline(CARD_DDEV(card)); @@ -4794,7 +4822,7 @@ retriable: return rc; } else if (rc) { QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); - if (++retries > 3) + if (--retries < 0) goto out; else goto retry; @@ -5094,13 +5122,81 @@ static const struct device_type qeth_osn_devtype = { .groups = qeth_osn_attr_groups, }; +#define DBF_NAME_LEN 20 + +struct qeth_dbf_entry { + char dbf_name[DBF_NAME_LEN]; + debug_info_t *dbf_info; + struct list_head dbf_list; +}; + +static LIST_HEAD(qeth_dbf_list); +static DEFINE_MUTEX(qeth_dbf_list_mutex); + +static debug_info_t *qeth_get_dbf_entry(char *name) +{ + struct qeth_dbf_entry *entry; + debug_info_t *rc = NULL; + + mutex_lock(&qeth_dbf_list_mutex); + list_for_each_entry(entry, &qeth_dbf_list, dbf_list) { + if (strcmp(entry->dbf_name, name) == 0) { + rc = entry->dbf_info; + break; + } + } + mutex_unlock(&qeth_dbf_list_mutex); + return rc; +} + +static int qeth_add_dbf_entry(struct qeth_card *card, char *name) +{ + struct qeth_dbf_entry *new_entry; + + card->debug = debug_register(name, 2, 1, 8); + if (!card->debug) { + QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf"); + goto err; + } + if (debug_register_view(card->debug, &debug_hex_ascii_view)) + goto err_dbg; + new_entry = kzalloc(sizeof(struct qeth_dbf_entry), GFP_KERNEL); + if (!new_entry) + goto err_dbg; + strncpy(new_entry->dbf_name, name, DBF_NAME_LEN); + new_entry->dbf_info = card->debug; + mutex_lock(&qeth_dbf_list_mutex); + list_add(&new_entry->dbf_list, &qeth_dbf_list); + mutex_unlock(&qeth_dbf_list_mutex); + + return 0; + +err_dbg: + debug_unregister(card->debug); +err: + return -ENOMEM; +} + +static void qeth_clear_dbf_list(void) +{ + struct qeth_dbf_entry *entry, *tmp; + + mutex_lock(&qeth_dbf_list_mutex); + list_for_each_entry_safe(entry, tmp, &qeth_dbf_list, dbf_list) { + list_del(&entry->dbf_list); + debug_unregister(entry->dbf_info); + kfree(entry); + } + mutex_unlock(&qeth_dbf_list_mutex); +} + static int qeth_core_probe_device(struct ccwgroup_device *gdev) { struct qeth_card *card; struct device *dev; int rc; unsigned long flags; - char dbf_name[20]; + char dbf_name[DBF_NAME_LEN]; QETH_DBF_TEXT(SETUP, 2, "probedev"); @@ -5119,13 +5215,12 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) snprintf(dbf_name, sizeof(dbf_name), "qeth_card_%s", dev_name(&gdev->dev)); - card->debug = debug_register(dbf_name, 2, 1, 8); + card->debug = qeth_get_dbf_entry(dbf_name); if (!card->debug) { - QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf"); - rc = -ENOMEM; - goto err_card; + rc = qeth_add_dbf_entry(card, dbf_name); + if (rc) + goto err_card; } - debug_register_view(card->debug, &debug_hex_ascii_view); card->read.ccwdev = gdev->cdev[0]; card->write.ccwdev = gdev->cdev[1]; @@ -5139,12 +5234,12 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) rc = qeth_determine_card_type(card); if (rc) { QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); - goto err_dbf; + goto err_card; } rc = qeth_setup_card(card); if (rc) { QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); - goto err_dbf; + goto err_card; } if (card->info.type == QETH_CARD_TYPE_OSN) @@ -5157,7 +5252,7 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) case QETH_CARD_TYPE_OSM: rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2); if (rc) - goto err_dbf; + goto err_card; rc = card->discipline->setup(card->gdev); if (rc) goto err_disc; @@ -5176,8 +5271,6 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) err_disc: qeth_core_free_discipline(card); -err_dbf: - debug_unregister(card->debug); err_card: qeth_core_free_card(card); err_dev: @@ -5197,7 +5290,6 @@ static void qeth_core_remove_device(struct ccwgroup_device *gdev) qeth_core_free_discipline(card); } - debug_unregister(card->debug); write_lock_irqsave(&qeth_core_card_list.rwlock, flags); list_del(&card->list); write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); @@ -5444,17 +5536,14 @@ void qeth_core_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct qeth_card *card = dev->ml_priv; - if (card->options.layer2) - strcpy(info->driver, "qeth_l2"); - else - strcpy(info->driver, "qeth_l3"); - strcpy(info->version, "1.0"); - strcpy(info->fw_version, card->info.mcl_level); - sprintf(info->bus_info, "%s/%s/%s", - CARD_RDEV_ID(card), - CARD_WDEV_ID(card), - CARD_DDEV_ID(card)); + strlcpy(info->driver, card->options.layer2 ? "qeth_l2" : "qeth_l3", + sizeof(info->driver)); + strlcpy(info->version, "1.0", sizeof(info->version)); + strlcpy(info->fw_version, card->info.mcl_level, + sizeof(info->fw_version)); + snprintf(info->bus_info, sizeof(info->bus_info), "%s/%s/%s", + CARD_RDEV_ID(card), CARD_WDEV_ID(card), CARD_DDEV_ID(card)); } EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo); @@ -5554,9 +5643,12 @@ static int __init qeth_core_init(void) pr_info("loading core functions\n"); INIT_LIST_HEAD(&qeth_core_card_list.list); + INIT_LIST_HEAD(&qeth_dbf_list); rwlock_init(&qeth_core_card_list.rwlock); mutex_init(&qeth_mod_mutex); + qeth_wq = create_singlethread_workqueue("qeth_wq"); + rc = qeth_register_dbf_views(); if (rc) goto out_err; @@ -5603,6 +5695,8 @@ out_err: static void __exit qeth_core_exit(void) { + qeth_clear_dbf_list(); + destroy_workqueue(qeth_wq); ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); ccw_driver_unregister(&qeth_ccw_driver); kmem_cache_destroy(qeth_qdio_outbuf_cache); diff --git a/drivers/s390/net/qeth_core_mpc.c b/drivers/s390/net/qeth_core_mpc.c index 5cebfddb86bd..06c55780005e 100644 --- a/drivers/s390/net/qeth_core_mpc.c +++ b/drivers/s390/net/qeth_core_mpc.c @@ -204,6 +204,7 @@ static struct ipa_rc_msg qeth_ipa_rc_msg[] = { {IPA_RC_INVALID_SETRTG_INDICATOR, "Invalid SETRTG indicator"}, {IPA_RC_MC_ADDR_ALREADY_DEFINED, "Multicast address already defined"}, {IPA_RC_LAN_OFFLINE, "STRTLAN_LAN_DISABLED - LAN offline"}, + {IPA_RC_VEPA_TO_VEB_TRANSITION, "Adj. switch disabled port mode RR"}, {IPA_RC_INVALID_IP_VERSION2, "Invalid IP version"}, {IPA_RC_ENOMEM, "Memory problem"}, {IPA_RC_FFFF, "Unknown Error"} diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h index 3690bbf2cb3c..07085d55f9a1 100644 --- a/drivers/s390/net/qeth_core_mpc.h +++ b/drivers/s390/net/qeth_core_mpc.h @@ -177,6 +177,7 @@ enum qeth_ipa_return_codes { IPA_RC_INVALID_SETRTG_INDICATOR = 0xe012, IPA_RC_MC_ADDR_ALREADY_DEFINED = 0xe013, IPA_RC_LAN_OFFLINE = 0xe080, + IPA_RC_VEPA_TO_VEB_TRANSITION = 0xe090, IPA_RC_INVALID_IP_VERSION2 = 0xf001, IPA_RC_ENOMEM = 0xfffe, IPA_RC_FFFF = 0xffff @@ -269,6 +270,9 @@ enum qeth_ipa_set_access_mode_rc { SET_ACCESS_CTRL_RC_ALREADY_ISOLATED = 0x0010, SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER = 0x0014, SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF = 0x0018, + SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED = 0x0022, + SET_ACCESS_CTRL_RC_REFLREL_FAILED = 0x0024, + SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED = 0x0028, }; @@ -386,6 +390,7 @@ struct qeth_snmp_ureq { /* SET_ACCESS_CONTROL: same format for request and reply */ struct qeth_set_access_ctrl { __u32 subcmd_code; + __u8 reserved[8]; } __attribute__((packed)); struct qeth_query_oat { diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c index 9655dc0ea0ec..425c0ecf1f3b 100644 --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -513,10 +513,11 @@ static ssize_t qeth_dev_isolation_store(struct device *dev, rc = count; /* defer IP assist if device is offline (until discipline->set_online)*/ + card->options.prev_isolation = card->options.isolation; card->options.isolation = isolation; if (card->state == CARD_STATE_SOFTSETUP || card->state == CARD_STATE_UP) { - int ipa_rc = qeth_set_access_ctrl_online(card); + int ipa_rc = qeth_set_access_ctrl_online(card, 1); if (ipa_rc != 0) rc = ipa_rc; } diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 73195553f84b..d690166efeaf 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1025,9 +1025,14 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) contin: if ((card->info.type == QETH_CARD_TYPE_OSD) || - (card->info.type == QETH_CARD_TYPE_OSX)) + (card->info.type == QETH_CARD_TYPE_OSX)) { /* configure isolation level */ - qeth_set_access_ctrl_online(card); + rc = qeth_set_access_ctrl_online(card, 0); + if (rc) { + rc = -ENODEV; + goto out_remove; + } + } if (card->info.type != QETH_CARD_TYPE_OSN && card->info.type != QETH_CARD_TYPE_OSM) @@ -1144,12 +1149,9 @@ static int qeth_l2_recover(void *ptr) dev_info(&card->gdev->dev, "Device successfully recovered!\n"); else { - if (rtnl_trylock()) { - dev_close(card->dev); - rtnl_unlock(); - dev_warn(&card->gdev->dev, "The qeth device driver " + qeth_close_dev(card); + dev_warn(&card->gdev->dev, "The qeth device driver " "failed to recover an error on the device\n"); - } } qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 6e5eef01e667..091ca0efa1c5 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1449,7 +1449,8 @@ static int qeth_l3_start_ipassists(struct qeth_card *card) { QETH_CARD_TEXT(card, 3, "strtipas"); - qeth_set_access_ctrl_online(card); /* go on*/ + if (qeth_set_access_ctrl_online(card, 0)) + return -EIO; qeth_l3_start_ipa_arp_processing(card); /* go on*/ qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ qeth_l3_start_ipa_source_mac(card); /* go on*/ @@ -1640,6 +1641,7 @@ static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) } } +/* called with rcu_read_lock */ static void qeth_l3_add_vlan_mc(struct qeth_card *card) { struct in_device *in_dev; @@ -1652,19 +1654,14 @@ static void qeth_l3_add_vlan_mc(struct qeth_card *card) for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { struct net_device *netdev; - rcu_read_lock(); netdev = __vlan_find_dev_deep(card->dev, vid); - rcu_read_unlock(); if (netdev == NULL || !(netdev->flags & IFF_UP)) continue; - in_dev = in_dev_get(netdev); + in_dev = __in_dev_get_rcu(netdev); if (!in_dev) continue; - rcu_read_lock(); qeth_l3_add_mc(card, in_dev); - rcu_read_unlock(); - in_dev_put(in_dev); } } @@ -1673,14 +1670,14 @@ static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) struct in_device *in4_dev; QETH_CARD_TEXT(card, 4, "chkmcv4"); - in4_dev = in_dev_get(card->dev); - if (in4_dev == NULL) - return; rcu_read_lock(); + in4_dev = __in_dev_get_rcu(card->dev); + if (in4_dev == NULL) + goto unlock; qeth_l3_add_mc(card, in4_dev); qeth_l3_add_vlan_mc(card); +unlock: rcu_read_unlock(); - in_dev_put(in4_dev); } #ifdef CONFIG_QETH_IPV6 @@ -1705,6 +1702,7 @@ static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) } } +/* called with rcu_read_lock */ static void qeth_l3_add_vlan_mc6(struct qeth_card *card) { struct inet6_dev *in_dev; @@ -1741,10 +1739,12 @@ static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) in6_dev = in6_dev_get(card->dev); if (in6_dev == NULL) return; + rcu_read_lock(); read_lock_bh(&in6_dev->lock); qeth_l3_add_mc6(card, in6_dev); qeth_l3_add_vlan_mc6(card); read_unlock_bh(&in6_dev->lock); + rcu_read_unlock(); in6_dev_put(in6_dev); } #endif /* CONFIG_QETH_IPV6 */ @@ -1813,8 +1813,10 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, static void qeth_l3_free_vlan_addresses(struct qeth_card *card, unsigned short vid) { + rcu_read_lock(); qeth_l3_free_vlan_addresses4(card, vid); qeth_l3_free_vlan_addresses6(card, vid); + rcu_read_unlock(); } static int qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) @@ -3387,8 +3389,10 @@ contin: QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); if (!card->options.sniffer) { rc = qeth_l3_start_ipassists(card); - if (rc) + if (rc) { QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); + goto out_remove; + } rc = qeth_l3_setrouting_v4(card); if (rc) QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); @@ -3510,12 +3514,9 @@ static int qeth_l3_recover(void *ptr) dev_info(&card->gdev->dev, "Device successfully recovered!\n"); else { - if (rtnl_trylock()) { - dev_close(card->dev); - rtnl_unlock(); - dev_warn(&card->gdev->dev, "The qeth device driver " + qeth_close_dev(card); + dev_warn(&card->gdev->dev, "The qeth device driver " "failed to recover an error on the device\n"); - } } qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); |
