diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 12:41:17 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 12:41:17 -0700 |
commit | e60b9a0346ee08af4715ee5b2d82f705fbe6e309 (patch) | |
tree | 886e1be2a283806e1dc940b7379a5a6e4683a97b /drivers/s390/net | |
parent | 9daeaa370526df1c19eba4780247bb7155541e38 (diff) | |
parent | a7475afd530e6bf81c9025b0134dd1c7c6f1a219 (diff) | |
download | op-kernel-dev-e60b9a0346ee08af4715ee5b2d82f705fbe6e309.zip op-kernel-dev-e60b9a0346ee08af4715ee5b2d82f705fbe6e309.tar.gz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"Just a random collection of bug-fixes and cleanups, nothing new in
this merge request."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (46 commits)
s390/ap: Fix wrong or missing comments
s390/ap: move receive callback to message struct
s390/dasd: re-prioritize partition detection message
s390/qeth: reshuffle initialization
s390/qeth: cleanup drv attr usage
s390/claw: cleanup drv attr usage
s390/lcs: cleanup drv attr usage
s390/ctc: cleanup drv attr usage
s390/ccwgroup: remove ccwgroup_create_from_string
s390/qeth: stop using struct ccwgroup driver for discipline callbacks
s390/qeth: switch to ccwgroup_create_dev
s390/claw: switch to ccwgroup_create_dev
s390/lcs: switch to ccwgroup_create_dev
s390/ctcm: switch to ccwgroup_create_dev
s390/ccwgroup: exploit ccwdev_by_dev_id
s390/ccwgroup: introduce ccwgroup_create_dev
s390: fix race on TIF_MCCK_PENDING
s390/barrier: make use of fast-bcr facility
s390/barrier: cleanup barrier functions
s390/claw: remove "eieio" calls
...
Diffstat (limited to 'drivers/s390/net')
-rw-r--r-- | drivers/s390/net/claw.c | 165 | ||||
-rw-r--r-- | drivers/s390/net/ctcm_main.c | 52 | ||||
-rw-r--r-- | drivers/s390/net/ctcm_main.h | 8 | ||||
-rw-r--r-- | drivers/s390/net/ctcm_sysfs.c | 37 | ||||
-rw-r--r-- | drivers/s390/net/lcs.c | 52 | ||||
-rw-r--r-- | drivers/s390/net/qeth_core.h | 24 | ||||
-rw-r--r-- | drivers/s390/net/qeth_core_main.c | 178 | ||||
-rw-r--r-- | drivers/s390/net/qeth_core_sys.c | 49 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 16 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 16 |
10 files changed, 235 insertions, 362 deletions
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index b41fae3..6b1ff90 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -136,7 +136,6 @@ static inline void claw_set_busy(struct net_device *dev) { ((struct claw_privbk *)dev->ml_priv)->tbusy = 1; - eieio(); } static inline void @@ -144,13 +143,11 @@ claw_clear_busy(struct net_device *dev) { clear_bit(0, &(((struct claw_privbk *) dev->ml_priv)->tbusy)); netif_wake_queue(dev); - eieio(); } static inline int claw_check_busy(struct net_device *dev) { - eieio(); return ((struct claw_privbk *) dev->ml_priv)->tbusy; } @@ -233,8 +230,6 @@ static ssize_t claw_rbuff_show(struct device *dev, static ssize_t claw_rbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static int claw_add_files(struct device *dev); -static void claw_remove_files(struct device *dev); /* Functions for System Validate */ static int claw_process_control( struct net_device *dev, struct ccwbk * p_ccw); @@ -267,12 +262,10 @@ static struct ccwgroup_driver claw_group_driver = { .owner = THIS_MODULE, .name = "claw", }, - .max_slaves = 2, - .driver_id = 0xC3D3C1E6, - .probe = claw_probe, - .remove = claw_remove_device, - .set_online = claw_new_device, - .set_offline = claw_shutdown_device, + .setup = claw_probe, + .remove = claw_remove_device, + .set_online = claw_new_device, + .set_offline = claw_shutdown_device, .prepare = claw_pm_prepare, }; @@ -293,30 +286,24 @@ static struct ccw_driver claw_ccw_driver = { .int_class = IOINT_CLW, }; -static ssize_t -claw_driver_group_store(struct device_driver *ddrv, const char *buf, - size_t count) +static ssize_t claw_driver_group_store(struct device_driver *ddrv, + const char *buf, size_t count) { int err; - err = ccwgroup_create_from_string(claw_root_dev, - claw_group_driver.driver_id, - &claw_ccw_driver, 2, buf); + err = ccwgroup_create_dev(claw_root_dev, &claw_group_driver, 2, buf); return err ? err : count; } - static DRIVER_ATTR(group, 0200, NULL, claw_driver_group_store); -static struct attribute *claw_group_attrs[] = { +static struct attribute *claw_drv_attrs[] = { &driver_attr_group.attr, NULL, }; - -static struct attribute_group claw_group_attr_group = { - .attrs = claw_group_attrs, +static struct attribute_group claw_drv_attr_group = { + .attrs = claw_drv_attrs, }; - -static const struct attribute_group *claw_group_attr_groups[] = { - &claw_group_attr_group, +static const struct attribute_group *claw_drv_attr_groups[] = { + &claw_drv_attr_group, NULL, }; @@ -324,60 +311,6 @@ static const struct attribute_group *claw_group_attr_groups[] = { * Key functions */ -/*----------------------------------------------------------------* - * claw_probe * - * this function is called for each CLAW device. * - *----------------------------------------------------------------*/ -static int -claw_probe(struct ccwgroup_device *cgdev) -{ - int rc; - struct claw_privbk *privptr=NULL; - - CLAW_DBF_TEXT(2, setup, "probe"); - if (!get_device(&cgdev->dev)) - return -ENODEV; - privptr = kzalloc(sizeof(struct claw_privbk), GFP_KERNEL); - dev_set_drvdata(&cgdev->dev, privptr); - if (privptr == NULL) { - probe_error(cgdev); - put_device(&cgdev->dev); - CLAW_DBF_TEXT_(2, setup, "probex%d", -ENOMEM); - return -ENOMEM; - } - privptr->p_mtc_envelope= kzalloc( MAX_ENVELOPE_SIZE, GFP_KERNEL); - privptr->p_env = kzalloc(sizeof(struct claw_env), GFP_KERNEL); - if ((privptr->p_mtc_envelope==NULL) || (privptr->p_env==NULL)) { - probe_error(cgdev); - put_device(&cgdev->dev); - CLAW_DBF_TEXT_(2, setup, "probex%d", -ENOMEM); - return -ENOMEM; - } - memcpy(privptr->p_env->adapter_name,WS_NAME_NOT_DEF,8); - memcpy(privptr->p_env->host_name,WS_NAME_NOT_DEF,8); - memcpy(privptr->p_env->api_type,WS_NAME_NOT_DEF,8); - privptr->p_env->packing = 0; - privptr->p_env->write_buffers = 5; - privptr->p_env->read_buffers = 5; - privptr->p_env->read_size = CLAW_FRAME_SIZE; - privptr->p_env->write_size = CLAW_FRAME_SIZE; - rc = claw_add_files(&cgdev->dev); - if (rc) { - probe_error(cgdev); - put_device(&cgdev->dev); - dev_err(&cgdev->dev, "Creating the /proc files for a new" - " CLAW device failed\n"); - CLAW_DBF_TEXT_(2, setup, "probex%d", rc); - return rc; - } - privptr->p_env->p_priv = privptr; - cgdev->cdev[0]->handler = claw_irq_handler; - cgdev->cdev[1]->handler = claw_irq_handler; - CLAW_DBF_TEXT(2, setup, "prbext 0"); - - return 0; -} /* end of claw_probe */ - /*-------------------------------------------------------------------* * claw_tx * *-------------------------------------------------------------------*/ @@ -3093,7 +3026,6 @@ claw_remove_device(struct ccwgroup_device *cgdev) dev_info(&cgdev->dev, " will be removed.\n"); if (cgdev->state == CCWGROUP_ONLINE) claw_shutdown_device(cgdev); - claw_remove_files(&cgdev->dev); kfree(priv->p_mtc_envelope); priv->p_mtc_envelope=NULL; kfree(priv->p_env); @@ -3321,7 +3253,6 @@ claw_rbuff_write(struct device *dev, struct device_attribute *attr, CLAW_DBF_TEXT_(2, setup, "RB=%d", p_env->read_buffers); return count; } - static DEVICE_ATTR(read_buffer, 0644, claw_rbuff_show, claw_rbuff_write); static struct attribute *claw_attr[] = { @@ -3332,40 +3263,73 @@ static struct attribute *claw_attr[] = { &dev_attr_host_name.attr, NULL, }; - static struct attribute_group claw_attr_group = { .attrs = claw_attr, }; +static const struct attribute_group *claw_attr_groups[] = { + &claw_attr_group, + NULL, +}; +static const struct device_type claw_devtype = { + .name = "claw", + .groups = claw_attr_groups, +}; -static int -claw_add_files(struct device *dev) +/*----------------------------------------------------------------* + * claw_probe * + * this function is called for each CLAW device. * + *----------------------------------------------------------------*/ +static int claw_probe(struct ccwgroup_device *cgdev) { - CLAW_DBF_TEXT(2, setup, "add_file"); - return sysfs_create_group(&dev->kobj, &claw_attr_group); -} + struct claw_privbk *privptr = NULL; -static void -claw_remove_files(struct device *dev) -{ - CLAW_DBF_TEXT(2, setup, "rem_file"); - sysfs_remove_group(&dev->kobj, &claw_attr_group); -} + CLAW_DBF_TEXT(2, setup, "probe"); + if (!get_device(&cgdev->dev)) + return -ENODEV; + privptr = kzalloc(sizeof(struct claw_privbk), GFP_KERNEL); + dev_set_drvdata(&cgdev->dev, privptr); + if (privptr == NULL) { + probe_error(cgdev); + put_device(&cgdev->dev); + CLAW_DBF_TEXT_(2, setup, "probex%d", -ENOMEM); + return -ENOMEM; + } + privptr->p_mtc_envelope = kzalloc(MAX_ENVELOPE_SIZE, GFP_KERNEL); + privptr->p_env = kzalloc(sizeof(struct claw_env), GFP_KERNEL); + if ((privptr->p_mtc_envelope == NULL) || (privptr->p_env == NULL)) { + probe_error(cgdev); + put_device(&cgdev->dev); + CLAW_DBF_TEXT_(2, setup, "probex%d", -ENOMEM); + return -ENOMEM; + } + memcpy(privptr->p_env->adapter_name, WS_NAME_NOT_DEF, 8); + memcpy(privptr->p_env->host_name, WS_NAME_NOT_DEF, 8); + memcpy(privptr->p_env->api_type, WS_NAME_NOT_DEF, 8); + privptr->p_env->packing = 0; + privptr->p_env->write_buffers = 5; + privptr->p_env->read_buffers = 5; + privptr->p_env->read_size = CLAW_FRAME_SIZE; + privptr->p_env->write_size = CLAW_FRAME_SIZE; + privptr->p_env->p_priv = privptr; + cgdev->cdev[0]->handler = claw_irq_handler; + cgdev->cdev[1]->handler = claw_irq_handler; + cgdev->dev.type = &claw_devtype; + CLAW_DBF_TEXT(2, setup, "prbext 0"); + + return 0; +} /* end of claw_probe */ /*--------------------------------------------------------------------* * claw_init and cleanup * *---------------------------------------------------------------------*/ -static void __exit -claw_cleanup(void) +static void __exit claw_cleanup(void) { - driver_remove_file(&claw_group_driver.driver, - &driver_attr_group); ccwgroup_driver_unregister(&claw_group_driver); ccw_driver_unregister(&claw_ccw_driver); root_device_unregister(claw_root_dev); claw_unregister_debug_facility(); pr_info("Driver unloaded\n"); - } /** @@ -3374,8 +3338,7 @@ claw_cleanup(void) * * @return 0 on success, !0 on error. */ -static int __init -claw_init(void) +static int __init claw_init(void) { int ret = 0; @@ -3394,7 +3357,7 @@ claw_init(void) ret = ccw_driver_register(&claw_ccw_driver); if (ret) goto ccw_err; - claw_group_driver.driver.groups = claw_group_attr_groups; + claw_group_driver.driver.groups = claw_drv_attr_groups; ret = ccwgroup_driver_register(&claw_group_driver); if (ret) goto ccwgroup_err; diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index 11f3b07..3cd2554 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -1296,6 +1296,11 @@ static void ctcm_irq_handler(struct ccw_device *cdev, } +static const struct device_type ctcm_devtype = { + .name = "ctcm", + .groups = ctcm_attr_groups, +}; + /** * Add ctcm specific attributes. * Add ctcm private data. @@ -1307,7 +1312,6 @@ static void ctcm_irq_handler(struct ccw_device *cdev, static int ctcm_probe_device(struct ccwgroup_device *cgdev) { struct ctcm_priv *priv; - int rc; CTCM_DBF_TEXT_(SETUP, CTC_DBF_INFO, "%s %p", @@ -1324,17 +1328,11 @@ static int ctcm_probe_device(struct ccwgroup_device *cgdev) put_device(&cgdev->dev); return -ENOMEM; } - - rc = ctcm_add_files(&cgdev->dev); - if (rc) { - kfree(priv); - put_device(&cgdev->dev); - return rc; - } priv->buffer_size = CTCM_BUFSIZE_DEFAULT; cgdev->cdev[0]->handler = ctcm_irq_handler; cgdev->cdev[1]->handler = ctcm_irq_handler; dev_set_drvdata(&cgdev->dev, priv); + cgdev->dev.type = &ctcm_devtype; return 0; } @@ -1611,11 +1609,6 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev) goto out_dev; } - if (ctcm_add_attributes(&cgdev->dev)) { - result = -ENODEV; - goto out_unregister; - } - strlcpy(priv->fsm->name, dev->name, sizeof(priv->fsm->name)); dev_info(&dev->dev, @@ -1629,8 +1622,6 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev) priv->channel[CTCM_WRITE]->id, priv->protocol); return 0; -out_unregister: - unregister_netdev(dev); out_dev: ctcm_free_netdevice(dev); out_ccw2: @@ -1669,7 +1660,6 @@ static int ctcm_shutdown_device(struct ccwgroup_device *cgdev) /* Close the device */ ctcm_close(dev); dev->flags &= ~IFF_RUNNING; - ctcm_remove_attributes(&cgdev->dev); channel_free(priv->channel[CTCM_READ]); } else dev = NULL; @@ -1711,7 +1701,6 @@ static void ctcm_remove_device(struct ccwgroup_device *cgdev) if (cgdev->state == CCWGROUP_ONLINE) ctcm_shutdown_device(cgdev); - ctcm_remove_files(&cgdev->dev); dev_set_drvdata(&cgdev->dev, NULL); kfree(priv); put_device(&cgdev->dev); @@ -1778,9 +1767,7 @@ static struct ccwgroup_driver ctcm_group_driver = { .owner = THIS_MODULE, .name = CTC_DRIVER_NAME, }, - .max_slaves = 2, - .driver_id = 0xC3E3C3D4, /* CTCM */ - .probe = ctcm_probe_device, + .setup = ctcm_probe_device, .remove = ctcm_remove_device, .set_online = ctcm_new_device, .set_offline = ctcm_shutdown_device, @@ -1789,31 +1776,25 @@ static struct ccwgroup_driver ctcm_group_driver = { .restore = ctcm_pm_resume, }; -static ssize_t -ctcm_driver_group_store(struct device_driver *ddrv, const char *buf, - size_t count) +static ssize_t ctcm_driver_group_store(struct device_driver *ddrv, + const char *buf, size_t count) { int err; - err = ccwgroup_create_from_string(ctcm_root_dev, - ctcm_group_driver.driver_id, - &ctcm_ccw_driver, 2, buf); + err = ccwgroup_create_dev(ctcm_root_dev, &ctcm_group_driver, 2, buf); return err ? err : count; } - static DRIVER_ATTR(group, 0200, NULL, ctcm_driver_group_store); -static struct attribute *ctcm_group_attrs[] = { +static struct attribute *ctcm_drv_attrs[] = { &driver_attr_group.attr, NULL, }; - -static struct attribute_group ctcm_group_attr_group = { - .attrs = ctcm_group_attrs, +static struct attribute_group ctcm_drv_attr_group = { + .attrs = ctcm_drv_attrs, }; - -static const struct attribute_group *ctcm_group_attr_groups[] = { - &ctcm_group_attr_group, +static const struct attribute_group *ctcm_drv_attr_groups[] = { + &ctcm_drv_attr_group, NULL, }; @@ -1829,7 +1810,6 @@ static const struct attribute_group *ctcm_group_attr_groups[] = { */ static void __exit ctcm_exit(void) { - driver_remove_file(&ctcm_group_driver.driver, &driver_attr_group); ccwgroup_driver_unregister(&ctcm_group_driver); ccw_driver_unregister(&ctcm_ccw_driver); root_device_unregister(ctcm_root_dev); @@ -1867,7 +1847,7 @@ static int __init ctcm_init(void) ret = ccw_driver_register(&ctcm_ccw_driver); if (ret) goto ccw_err; - ctcm_group_driver.driver.groups = ctcm_group_attr_groups; + ctcm_group_driver.driver.groups = ctcm_drv_attr_groups; ret = ccwgroup_driver_register(&ctcm_group_driver); if (ret) goto ccwgroup_err; diff --git a/drivers/s390/net/ctcm_main.h b/drivers/s390/net/ctcm_main.h index 24d5215..b9056a5 100644 --- a/drivers/s390/net/ctcm_main.h +++ b/drivers/s390/net/ctcm_main.h @@ -225,13 +225,7 @@ struct ctcm_priv { int ctcm_open(struct net_device *dev); int ctcm_close(struct net_device *dev); -/* - * prototypes for non-static sysfs functions - */ -int ctcm_add_attributes(struct device *dev); -void ctcm_remove_attributes(struct device *dev); -int ctcm_add_files(struct device *dev); -void ctcm_remove_files(struct device *dev); +extern const struct attribute_group *ctcm_attr_groups[]; /* * Compatibility macros for busy handling diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c index 650aec1..0c27ae7 100644 --- a/drivers/s390/net/ctcm_sysfs.c +++ b/drivers/s390/net/ctcm_sysfs.c @@ -13,6 +13,7 @@ #define KMSG_COMPONENT "ctcm" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/device.h> #include <linux/sysfs.h> #include <linux/slab.h> #include "ctcm_main.h" @@ -108,10 +109,12 @@ static void ctcm_print_statistics(struct ctcm_priv *priv) } static ssize_t stats_show(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { + struct ccwgroup_device *gdev = to_ccwgroupdev(dev); struct ctcm_priv *priv = dev_get_drvdata(dev); - if (!priv) + + if (!priv || gdev->state != CCWGROUP_ONLINE) return -ENODEV; ctcm_print_statistics(priv); return sprintf(buf, "0\n"); @@ -190,34 +193,14 @@ static struct attribute *ctcm_attr[] = { &dev_attr_protocol.attr, &dev_attr_type.attr, &dev_attr_buffer.attr, + &dev_attr_stats.attr, NULL, }; static struct attribute_group ctcm_attr_group = { .attrs = ctcm_attr, }; - -int ctcm_add_attributes(struct device *dev) -{ - int rc; - - rc = device_create_file(dev, &dev_attr_stats); - - return rc; -} - -void ctcm_remove_attributes(struct device *dev) -{ - device_remove_file(dev, &dev_attr_stats); -} - -int ctcm_add_files(struct device *dev) -{ - return sysfs_create_group(&dev->kobj, &ctcm_attr_group); -} - -void ctcm_remove_files(struct device *dev) -{ - sysfs_remove_group(&dev->kobj, &ctcm_attr_group); -} - +const struct attribute_group *ctcm_attr_groups[] = { + &ctcm_attr_group, + NULL, +}; diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 6056cf6..a3adf4b 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -2040,10 +2040,17 @@ static struct attribute * lcs_attrs[] = { &dev_attr_recover.attr, NULL, }; - static struct attribute_group lcs_attr_group = { .attrs = lcs_attrs, }; +static const struct attribute_group *lcs_attr_groups[] = { + &lcs_attr_group, + NULL, +}; +static const struct device_type lcs_devtype = { + .name = "lcs", + .groups = lcs_attr_groups, +}; /** * lcs_probe_device is called on establishing a new ccwgroup_device. @@ -2052,7 +2059,6 @@ static int lcs_probe_device(struct ccwgroup_device *ccwgdev) { struct lcs_card *card; - int ret; if (!get_device(&ccwgdev->dev)) return -ENODEV; @@ -2064,12 +2070,6 @@ lcs_probe_device(struct ccwgroup_device *ccwgdev) put_device(&ccwgdev->dev); return -ENOMEM; } - ret = sysfs_create_group(&ccwgdev->dev.kobj, &lcs_attr_group); - if (ret) { - lcs_free_card(card); - put_device(&ccwgdev->dev); - return ret; - } dev_set_drvdata(&ccwgdev->dev, card); ccwgdev->cdev[0]->handler = lcs_irq; ccwgdev->cdev[1]->handler = lcs_irq; @@ -2078,7 +2078,9 @@ lcs_probe_device(struct ccwgroup_device *ccwgdev) card->thread_start_mask = 0; card->thread_allowed_mask = 0; card->thread_running_mask = 0; - return 0; + ccwgdev->dev.type = &lcs_devtype; + + return 0; } static int @@ -2306,9 +2308,9 @@ lcs_remove_device(struct ccwgroup_device *ccwgdev) } if (card->dev) unregister_netdev(card->dev); - sysfs_remove_group(&ccwgdev->dev.kobj, &lcs_attr_group); lcs_cleanup_card(card); lcs_free_card(card); + dev_set_drvdata(&ccwgdev->dev, NULL); put_device(&ccwgdev->dev); } @@ -2393,9 +2395,7 @@ static struct ccwgroup_driver lcs_group_driver = { .owner = THIS_MODULE, .name = "lcs", }, - .max_slaves = 2, - .driver_id = 0xD3C3E2, - .probe = lcs_probe_device, + .setup = lcs_probe_device, .remove = lcs_remove_device, .set_online = lcs_new_device, .set_offline = lcs_shutdown_device, @@ -2406,30 +2406,24 @@ static struct ccwgroup_driver lcs_group_driver = { .restore = lcs_restore, }; -static ssize_t -lcs_driver_group_store(struct device_driver *ddrv, const char *buf, - size_t count) +static ssize_t lcs_driver_group_store(struct device_driver *ddrv, + const char *buf, size_t count) { int err; - err = ccwgroup_create_from_string(lcs_root_dev, - lcs_group_driver.driver_id, - &lcs_ccw_driver, 2, buf); + err = ccwgroup_create_dev(lcs_root_dev, &lcs_group_driver, 2, buf); return err ? err : count; } - static DRIVER_ATTR(group, 0200, NULL, lcs_driver_group_store); -static struct attribute *lcs_group_attrs[] = { +static struct attribute *lcs_drv_attrs[] = { &driver_attr_group.attr, NULL, }; - -static struct attribute_group lcs_group_attr_group = { - .attrs = lcs_group_attrs, +static struct attribute_group lcs_drv_attr_group = { + .attrs = lcs_drv_attrs, }; - -static const struct attribute_group *lcs_group_attr_groups[] = { - &lcs_group_attr_group, +static const struct attribute_group *lcs_drv_attr_groups[] = { + &lcs_drv_attr_group, NULL, }; @@ -2453,7 +2447,7 @@ __init lcs_init_module(void) rc = ccw_driver_register(&lcs_ccw_driver); if (rc) goto ccw_err; - lcs_group_driver.driver.groups = lcs_group_attr_groups; + lcs_group_driver.driver.groups = lcs_drv_attr_groups; rc = ccwgroup_driver_register(&lcs_group_driver); if (rc) goto ccwgroup_err; @@ -2479,8 +2473,6 @@ __exit lcs_cleanup_module(void) { pr_info("Terminating lcs module.\n"); LCS_DBF_TEXT(0, trace, "cleanup"); - driver_remove_file(&lcs_group_driver.driver, - &driver_attr_group); ccwgroup_driver_unregister(&lcs_group_driver); ccw_driver_unregister(&lcs_ccw_driver); root_device_unregister(lcs_root_dev); diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 40285dc..06e8f31 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -707,7 +707,16 @@ struct qeth_discipline { qdio_handler_t *input_handler; qdio_handler_t *output_handler; int (*recover)(void *ptr); - struct ccwgroup_driver *ccwgdriver; + int (*setup) (struct ccwgroup_device *); + void (*remove) (struct ccwgroup_device *); + int (*set_online) (struct ccwgroup_device *); + int (*set_offline) (struct ccwgroup_device *); + void (*shutdown)(struct ccwgroup_device *); + int (*prepare) (struct ccwgroup_device *); + void (*complete) (struct ccwgroup_device *); + int (*freeze)(struct ccwgroup_device *); + int (*thaw) (struct ccwgroup_device *); + int (*restore)(struct ccwgroup_device *); }; struct qeth_vlan_vid { @@ -771,7 +780,7 @@ struct qeth_card { struct qeth_perf_stats perf_stats; int read_or_write_problem; struct qeth_osn_info osn_info; - struct qeth_discipline discipline; + struct qeth_discipline *discipline; atomic_t force_alloc_skb; struct service_level qeth_service_level; struct qdio_ssqd_desc ssqd; @@ -837,16 +846,15 @@ static inline int qeth_is_diagass_supported(struct qeth_card *card, return card->info.diagass_support & (__u32)cmd; } -extern struct ccwgroup_driver qeth_l2_ccwgroup_driver; -extern struct ccwgroup_driver qeth_l3_ccwgroup_driver; +extern struct qeth_discipline qeth_l2_discipline; +extern struct qeth_discipline qeth_l3_discipline; +extern const struct attribute_group *qeth_generic_attr_groups[]; +extern const struct attribute_group *qeth_osn_attr_groups[]; + const char *qeth_get_cardname_short(struct qeth_card *); int qeth_realloc_buffer_pool(struct qeth_card *, int); int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); void qeth_core_free_discipline(struct qeth_card *); -int qeth_core_create_device_attributes(struct device *); -void qeth_core_remove_device_attributes(struct device *); -int qeth_core_create_osn_attributes(struct device *); -void qeth_core_remove_osn_attributes(struct device *); void qeth_buffer_reclaim_work(struct work_struct *); /* exports for qeth discipline device drivers */ diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index e000001..e118e1e 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1363,7 +1363,7 @@ static void qeth_start_kernel_thread(struct work_struct *work) card->write.state != CH_STATE_UP) return; if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) { - ts = kthread_run(card->discipline.recover, (void *)card, + ts = kthread_run(card->discipline->recover, (void *)card, "qeth_recover"); if (IS_ERR(ts)) { qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); @@ -3337,7 +3337,7 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, if (rc) { queue->card->stats.tx_errors += count; /* ignore temporary SIGA errors without busy condition */ - if (rc == QDIO_ERROR_SIGA_TARGET) + if (rc == -ENOBUFS) return; QETH_CARD_TEXT(queue->card, 2, "flushbuf"); QETH_CARD_TEXT_(queue->card, 2, " q%d", queue->queue_no); @@ -3531,7 +3531,7 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev, int i; QETH_CARD_TEXT(card, 6, "qdouhdl"); - if (qdio_error & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) { + if (qdio_error & QDIO_ERROR_FATAL) { QETH_CARD_TEXT(card, 2, "achkcond"); netif_stop_queue(card->dev); qeth_schedule_recovery(card); @@ -4627,7 +4627,7 @@ static int qeth_qdio_establish(struct qeth_card *card) goto out_free_in_sbals; } for (i = 0; i < card->qdio.no_in_queues; ++i) - queue_start_poll[i] = card->discipline.start_poll; + queue_start_poll[i] = card->discipline->start_poll; qeth_qdio_establish_cq(card, in_sbal_ptrs, queue_start_poll); @@ -4651,8 +4651,8 @@ static int qeth_qdio_establish(struct qeth_card *card) init_data.qib_param_field = qib_param_field; init_data.no_input_qs = card->qdio.no_in_queues; init_data.no_output_qs = card->qdio.no_out_queues; - init_data.input_handler = card->discipline.input_handler; - init_data.output_handler = card->discipline.output_handler; + init_data.input_handler = card->discipline->input_handler; + init_data.output_handler = card->discipline->output_handler; init_data.queue_start_poll_array = queue_start_poll; init_data.int_parm = (unsigned long) card; init_data.input_sbal_addr_array = (void **) in_sbal_ptrs; @@ -4737,13 +4737,6 @@ static struct ccw_driver qeth_ccw_driver = { .remove = ccwgroup_remove_ccwdev, }; -static int qeth_core_driver_group(const char *buf, struct device *root_dev, - unsigned long driver_id) -{ - return ccwgroup_create_from_string(root_dev, driver_id, - &qeth_ccw_driver, 3, buf); -} - int qeth_core_hardsetup_card(struct qeth_card *card) { int retries = 0; @@ -5040,17 +5033,15 @@ int qeth_core_load_discipline(struct qeth_card *card, mutex_lock(&qeth_mod_mutex); switch (discipline) { case QETH_DISCIPLINE_LAYER3: - card->discipline.ccwgdriver = try_then_request_module( - symbol_get(qeth_l3_ccwgroup_driver), - "qeth_l3"); + card->discipline = try_then_request_module( + symbol_get(qeth_l3_discipline), "qeth_l3"); break; case QETH_DISCIPLINE_LAYER2: - card->discipline.ccwgdriver = try_then_request_module( - symbol_get(qeth_l2_ccwgroup_driver), - "qeth_l2"); + card->discipline = try_then_request_module( + symbol_get(qeth_l2_discipline), "qeth_l2"); break; } - if (!card->discipline.ccwgdriver) { + if (!card->discipline) { dev_err(&card->gdev->dev, "There is no kernel module to " "support discipline %d\n", discipline); rc = -EINVAL; @@ -5062,12 +5053,21 @@ int qeth_core_load_discipline(struct qeth_card *card, void qeth_core_free_discipline(struct qeth_card *card) { if (card->options.layer2) - symbol_put(qeth_l2_ccwgroup_driver); + symbol_put(qeth_l2_discipline); else - symbol_put(qeth_l3_ccwgroup_driver); - card->discipline.ccwgdriver = NULL; + symbol_put(qeth_l3_discipline); + card->discipline = NULL; } +static const struct device_type qeth_generic_devtype = { + .name = "qeth_generic", + .groups = qeth_generic_attr_groups, +}; +static const struct device_type qeth_osn_devtype = { + .name = "qeth_osn", + .groups = qeth_osn_attr_groups, +}; + static int qeth_core_probe_device(struct ccwgroup_device *gdev) { struct qeth_card *card; @@ -5122,18 +5122,17 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) } if (card->info.type == QETH_CARD_TYPE_OSN) - rc = qeth_core_create_osn_attributes(dev); + gdev->dev.type = &qeth_osn_devtype; else - rc = qeth_core_create_device_attributes(dev); - if (rc) - goto err_dbf; + gdev->dev.type = &qeth_generic_devtype; + switch (card->info.type) { case QETH_CARD_TYPE_OSN: case QETH_CARD_TYPE_OSM: rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2); if (rc) - goto err_attr; - rc = card->discipline.ccwgdriver->probe(card->gdev); + goto err_dbf; + rc = card->discipline->setup(card->gdev); if (rc) goto err_disc; case QETH_CARD_TYPE_OSD: @@ -5151,11 +5150,6 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) err_disc: qeth_core_free_discipline(card); -err_attr: - if (card->info.type == QETH_CARD_TYPE_OSN) - qeth_core_remove_osn_attributes(dev); - else - qeth_core_remove_device_attributes(dev); err_dbf: debug_unregister(card->debug); err_card: @@ -5172,14 +5166,8 @@ static void qeth_core_remove_device(struct ccwgroup_device *gdev) QETH_DBF_TEXT(SETUP, 2, "removedv"); - if (card->info.type == QETH_CARD_TYPE_OSN) { - qeth_core_remove_osn_attributes(&gdev->dev); - } else { - qeth_core_remove_device_attributes(&gdev->dev); - } - - if (card->discipline.ccwgdriver) { - card->discipline.ccwgdriver->remove(gdev); + if (card->discipline) { + card->discipline->remove(gdev); qeth_core_free_discipline(card); } @@ -5199,7 +5187,7 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev) int rc = 0; int def_discipline; - if (!card->discipline.ccwgdriver) { + if (!card->discipline) { if (card->info.type == QETH_CARD_TYPE_IQD) def_discipline = QETH_DISCIPLINE_LAYER3; else @@ -5207,11 +5195,11 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev) rc = qeth_core_load_discipline(card, def_discipline); if (rc) goto err; - rc = card->discipline.ccwgdriver->probe(card->gdev); + rc = card->discipline->setup(card->gdev); if (rc) goto err; } - rc = card->discipline.ccwgdriver->set_online(gdev); + rc = card->discipline->set_online(gdev); err: return rc; } @@ -5219,58 +5207,52 @@ err: static int qeth_core_set_offline(struct ccwgroup_device *gdev) { struct qeth_card *card = dev_get_drvdata(&gdev->dev); - return card->discipline.ccwgdriver->set_offline(gdev); + return card->discipline->set_offline(gdev); } static void qeth_core_shutdown(struct ccwgroup_device *gdev) { struct qeth_card *card = dev_get_drvdata(&gdev->dev); - if (card->discipline.ccwgdriver && - card->discipline.ccwgdriver->shutdown) - card->discipline.ccwgdriver->shutdown(gdev); + if (card->discipline && card->discipline->shutdown) + card->discipline->shutdown(gdev); } static int qeth_core_prepare(struct ccwgroup_device *gdev) { struct qeth_card *card = dev_get_drvdata(&gdev->dev); - if (card->discipline.ccwgdriver && - card->discipline.ccwgdriver->prepare) - return card->discipline.ccwgdriver->prepare(gdev); + if (card->discipline && card->discipline->prepare) + return card->discipline->prepare(gdev); return 0; } static void qeth_core_complete(struct ccwgroup_device *gdev) { struct qeth_card *card = dev_get_drvdata(&gdev->dev); - if (card->discipline.ccwgdriver && - card->discipline.ccwgdriver->complete) - card->discipline.ccwgdriver->complete(gdev); + if (card->discipline && card->discipline->complete) + card->discipline->complete(gdev); } static int qeth_core_freeze(struct ccwgroup_device *gdev) { struct qeth_card *card = dev_get_drvdata(&gdev->dev); - if (card->discipline.ccwgdriver && - card->discipline.ccwgdriver->freeze) - return card->discipline.ccwgdriver->freeze(gdev); + if (card->discipline && card->discipline->freeze) + return card->discipline->freeze(gdev); return 0; } static int qeth_core_thaw(struct ccwgroup_device *gdev) { struct qeth_card *card = dev_get_drvdata(&gdev->dev); - if (card->discipline.ccwgdriver && - card->discipline.ccwgdriver->thaw) - return card->discipline.ccwgdriver->thaw(gdev); + if (card->discipline && card->discipline->thaw) + return card->discipline->thaw(gdev); return 0; } static int qeth_core_restore(struct ccwgroup_device *gdev) { struct qeth_card *card = dev_get_drvdata(&gdev->dev); - if (card->discipline.ccwgdriver && - card->discipline.ccwgdriver->restore) - return card->discipline.ccwgdriver->restore(gdev); + if (card->discipline && card->discipline->restore) + return card->discipline->restore(gdev); return 0; } @@ -5279,8 +5261,7 @@ static struct ccwgroup_driver qeth_core_ccwgroup_driver = { .owner = THIS_MODULE, .name = "qeth", }, - .driver_id = 0xD8C5E3C8, - .probe = qeth_core_probe_device, + .setup = qeth_core_probe_device, .remove = qeth_core_remove_device, .set_online = qeth_core_set_online, .set_offline = qeth_core_set_offline, @@ -5292,21 +5273,30 @@ static struct ccwgroup_driver qeth_core_ccwgroup_driver = { .restore = qeth_core_restore, }; -static ssize_t -qeth_core_driver_group_store(struct device_driver *ddrv, const char *buf, - size_t count) +static ssize_t qeth_core_driver_group_store(struct device_driver *ddrv, + const char *buf, size_t count) { int err; - err = qeth_core_driver_group(buf, qeth_core_root_dev, - qeth_core_ccwgroup_driver.driver_id); - if (err) - return err; - else - return count; -} + err = ccwgroup_create_dev(qeth_core_root_dev, + &qeth_core_ccwgroup_driver, 3, buf); + + return err ? err : count; +} static DRIVER_ATTR(group, 0200, NULL, qeth_core_driver_group_store); +static struct attribute *qeth_drv_attrs[] = { + &driver_attr_group.attr, + NULL, +}; +static struct attribute_group qeth_drv_attr_group = { + .attrs = qeth_drv_attrs, +}; +static const struct attribute_group *qeth_drv_attr_groups[] = { + &qeth_drv_attr_group, + NULL, +}; + static struct { const char str[ETH_GSTRING_LEN]; } qeth_ethtool_stats_keys[] = { @@ -5544,49 +5534,41 @@ static int __init qeth_core_init(void) rc = qeth_register_dbf_views(); if (rc) goto out_err; - rc = ccw_driver_register(&qeth_ccw_driver); - if (rc) - goto ccw_err; - rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver); - if (rc) - goto ccwgroup_err; - rc = driver_create_file(&qeth_core_ccwgroup_driver.driver, - &driver_attr_group); - if (rc) - goto driver_err; qeth_core_root_dev = root_device_register("qeth"); rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0; if (rc) goto register_err; - qeth_core_header_cache = kmem_cache_create("qeth_hdr", sizeof(struct qeth_hdr) + ETH_HLEN, 64, 0, NULL); if (!qeth_core_header_cache) { rc = -ENOMEM; goto slab_err; } - qeth_qdio_outbuf_cache = kmem_cache_create("qeth_buf", sizeof(struct qeth_qdio_out_buffer), 0, 0, NULL); if (!qeth_qdio_outbuf_cache) { rc = -ENOMEM; goto cqslab_err; } + rc = ccw_driver_register(&qeth_ccw_driver); + if (rc) + goto ccw_err; + qeth_core_ccwgroup_driver.driver.groups = qeth_drv_attr_groups; + rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver); + if (rc) + goto ccwgroup_err; return 0; + +ccwgroup_err: + ccw_driver_unregister(&qeth_ccw_driver); +ccw_err: + kmem_cache_destroy(qeth_qdio_outbuf_cache); cqslab_err: kmem_cache_destroy(qeth_core_header_cache); slab_err: root_device_unregister(qeth_core_root_dev); register_err: - driver_remove_file(&qeth_core_ccwgroup_driver.driver, - &driver_attr_group); -driver_err: - ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); -ccwgroup_err: - ccw_driver_unregister(&qeth_ccw_driver); -ccw_err: - QETH_DBF_MESSAGE(2, "Initialization failed with code %d\n", rc); qeth_unregister_dbf_views(); out_err: pr_err("Initializing the qeth device driver failed\n"); @@ -5595,13 +5577,11 @@ out_err: static void __exit qeth_core_exit(void) { - root_device_unregister(qeth_core_root_dev); - driver_remove_file(&qeth_core_ccwgroup_driver.driver, - &driver_attr_group); ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); ccw_driver_unregister(&qeth_ccw_driver); kmem_cache_destroy(qeth_qdio_outbuf_cache); kmem_cache_destroy(qeth_core_header_cache); + root_device_unregister(qeth_core_root_dev); qeth_unregister_dbf_views(); pr_info("core functions removed\n"); } diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c index 0a8e86c..f163af5 100644 --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -434,8 +434,8 @@ static ssize_t qeth_dev_layer2_store(struct device *dev, goto out; else { card->info.mac_bits = 0; - if (card->discipline.ccwgdriver) { - card->discipline.ccwgdriver->remove(card->gdev); + if (card->discipline) { + card->discipline->remove(card->gdev); qeth_core_free_discipline(card); } } @@ -444,7 +444,7 @@ static ssize_t qeth_dev_layer2_store(struct device *dev, if (rc) goto out; - rc = card->discipline.ccwgdriver->probe(card->gdev); + rc = card->discipline->setup(card->gdev); out: mutex_unlock(&card->discipline_mutex); return rc ? rc : count; @@ -693,7 +693,6 @@ static struct attribute *qeth_blkt_device_attrs[] = { &dev_attr_inter_jumbo.attr, NULL, }; - static struct attribute_group qeth_device_blkt_group = { .name = "blkt", .attrs = qeth_blkt_device_attrs, @@ -716,11 +715,16 @@ static struct attribute *qeth_device_attrs[] = { &dev_attr_hw_trap.attr, NULL, }; - static struct attribute_group qeth_device_attr_group = { .attrs = qeth_device_attrs, }; +const struct attribute_group *qeth_generic_attr_groups[] = { + &qeth_device_attr_group, + &qeth_device_blkt_group, + NULL, +}; + static struct attribute *qeth_osn_device_attrs[] = { &dev_attr_state.attr, &dev_attr_chpid.attr, @@ -730,37 +734,10 @@ static struct attribute *qeth_osn_device_attrs[] = { &dev_attr_recover.attr, NULL, }; - static struct attribute_group qeth_osn_device_attr_group = { .attrs = qeth_osn_device_attrs, }; - -int qeth_core_create_device_attributes(struct device *dev) -{ - int ret; - ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group); - if (ret) - return ret; - ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group); - if (ret) - sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); - - return 0; -} - -void qeth_core_remove_device_attributes(struct device *dev) -{ - sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); - sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group); -} - -int qeth_core_create_osn_attributes(struct device *dev) -{ - return sysfs_create_group(&dev->kobj, &qeth_osn_device_attr_group); -} - -void qeth_core_remove_osn_attributes(struct device *dev) -{ - sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group); - return; -} +const struct attribute_group *qeth_osn_attr_groups[] = { + &qeth_osn_device_attr_group, + NULL, +}; diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 0e7c29d..4269865 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -882,12 +882,6 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev) INIT_LIST_HEAD(&card->mc_list); card->options.layer2 = 1; card->info.hwtrap = 0; - card->discipline.start_poll = qeth_qdio_start_poll; - card->discipline.input_handler = (qdio_handler_t *) - qeth_qdio_input_handler; - card->discipline.output_handler = (qdio_handler_t *) - qeth_qdio_output_handler; - card->discipline.recover = qeth_l2_recover; return 0; } @@ -1227,8 +1221,12 @@ out: return rc; } -struct ccwgroup_driver qeth_l2_ccwgroup_driver = { - .probe = qeth_l2_probe_device, +struct qeth_discipline qeth_l2_discipline = { + .start_poll = qeth_qdio_start_poll, + .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, + .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, + .recover = qeth_l2_recover, + .setup = qeth_l2_probe_device, .remove = qeth_l2_remove_device, .set_online = qeth_l2_set_online, .set_offline = qeth_l2_set_offline, @@ -1237,7 +1235,7 @@ struct ccwgroup_driver qeth_l2_ccwgroup_driver = { .thaw = qeth_l2_pm_resume, .restore = qeth_l2_pm_resume, }; -EXPORT_SYMBOL_GPL(qeth_l2_ccwgroup_driver); +EXPORT_SYMBOL_GPL(qeth_l2_discipline); static int qeth_osn_send_control_data(struct qeth_card *card, int len, struct qeth_cmd_buffer *iob) diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index e7ad032..7be5e97 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -3298,12 +3298,6 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev) qeth_l3_create_device_attributes(&gdev->dev); card->options.layer2 = 0; card->info.hwtrap = 0; - card->discipline.start_poll = qeth_qdio_start_poll; - card->discipline.input_handler = (qdio_handler_t *) - qeth_qdio_input_handler; - card->discipline.output_handler = (qdio_handler_t *) - qeth_qdio_output_handler; - card->discipline.recover = qeth_l3_recover; return 0; } @@ -3578,8 +3572,12 @@ out: return rc; } -struct ccwgroup_driver qeth_l3_ccwgroup_driver = { - .probe = qeth_l3_probe_device, +struct qeth_discipline qeth_l3_discipline = { + .start_poll = qeth_qdio_start_poll, + .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, + .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, + .recover = qeth_l3_recover, + .setup = qeth_l3_probe_device, .remove = qeth_l3_remove_device, .set_online = qeth_l3_set_online, .set_offline = qeth_l3_set_offline, @@ -3588,7 +3586,7 @@ struct ccwgroup_driver qeth_l3_ccwgroup_driver = { .thaw = qeth_l3_pm_resume, .restore = qeth_l3_pm_resume, }; -EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver); +EXPORT_SYMBOL_GPL(qeth_l3_discipline); static int qeth_l3_ip_event(struct notifier_block *this, unsigned long event, void *ptr) |