X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fs390%2Fnet%2Fclaw.c;h=95f4e105cb969293934538df62228665a7e40d7a;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=06804d39a9c6da09a104285581489941ef84eb07;hpb=4b659086703c3cfdabfc916b517590ad55d1ddfa;p=linux-2.6.git diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 06804d39a..95f4e105c 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -2,9 +2,7 @@ * drivers/s390/net/claw.c * ESCON CLAW network driver * - * $Revision: 1.35 $ $Date: 2005/03/24 12:25:38 $ - * - * Linux fo zSeries version + * Linux for zSeries version * Copyright (C) 2002,2005 IBM Corporation * Author(s) Original code written by: * Kazuo Iimura (iimura@jp.ibm.com) @@ -88,7 +86,6 @@ #include #include #include -#include #include "cu3088.h" #include "claw.h" @@ -146,8 +143,8 @@ claw_unregister_debug_facility(void) static int claw_register_debug_facility(void) { - claw_dbf_setup = debug_register("claw_setup", 1, 1, 8); - claw_dbf_trace = debug_register("claw_trace", 1, 2, 8); + claw_dbf_setup = debug_register("claw_setup", 2, 1, 8); + claw_dbf_trace = debug_register("claw_trace", 2, 2, 8); if (claw_dbf_setup == NULL || claw_dbf_trace == NULL) { printk(KERN_WARNING "Not enough memory for debug facility.\n"); claw_unregister_debug_facility(); @@ -241,20 +238,20 @@ static struct sk_buff *claw_pack_skb(struct claw_privbk *privptr); static void dumpit (char *buf, int len); #endif /* sysfs Functions */ -static ssize_t claw_hname_show(struct device *dev, char *buf); -static ssize_t claw_hname_write(struct device *dev, +static ssize_t claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_hname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static ssize_t claw_adname_show(struct device *dev, char *buf); -static ssize_t claw_adname_write(struct device *dev, +static ssize_t claw_adname_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_adname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static ssize_t claw_apname_show(struct device *dev, char *buf); -static ssize_t claw_apname_write(struct device *dev, +static ssize_t claw_apname_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_apname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static ssize_t claw_wbuff_show(struct device *dev, char *buf); -static ssize_t claw_wbuff_write(struct device *dev, +static ssize_t claw_wbuff_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_wbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static ssize_t claw_rbuff_show(struct device *dev, char *buf); -static ssize_t claw_rbuff_write(struct device *dev, +static ssize_t claw_rbuff_show(struct device *dev, struct device_attribute *attr, char *buf); +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); @@ -313,7 +310,7 @@ claw_probe(struct ccwgroup_device *cgdev) printk(KERN_INFO "claw: variable cgdev =\n"); dumpit((char *)cgdev, sizeof(struct ccwgroup_device)); #endif - privptr = kmalloc(sizeof(struct claw_privbk), GFP_KERNEL); + privptr = kzalloc(sizeof(struct claw_privbk), GFP_KERNEL); if (privptr == NULL) { probe_error(cgdev); put_device(&cgdev->dev); @@ -322,7 +319,6 @@ claw_probe(struct ccwgroup_device *cgdev) CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM); return -ENOMEM; } - memset(privptr,0x00,sizeof(struct claw_privbk)); privptr->p_mtc_envelope= kmalloc( MAX_ENVELOPE_SIZE, GFP_KERNEL); privptr->p_env = kmalloc(sizeof(struct claw_env), GFP_KERNEL); if ((privptr->p_mtc_envelope==NULL) || (privptr->p_env==NULL)) { @@ -428,15 +424,15 @@ claw_pack_skb(struct claw_privbk *privptr) new_skb = NULL; /* assume no dice */ pkt_cnt = 0; CLAW_DBF_TEXT(4,trace,"PackSKBe"); - if (skb_queue_len(&p_ch->collect_queue) > 0) { + if (!skb_queue_empty(&p_ch->collect_queue)) { /* some data */ held_skb = skb_dequeue(&p_ch->collect_queue); - if (p_env->packing != DO_PACKED) - return held_skb; if (held_skb) - atomic_dec(&held_skb->users); + dev_kfree_skb_any(held_skb); else return NULL; + if (p_env->packing != DO_PACKED) + return held_skb; /* get a new SKB we will pack at least one */ new_skb = dev_alloc_skb(p_env->write_size); if (new_skb == NULL) { @@ -455,7 +451,7 @@ claw_pack_skb(struct claw_privbk *privptr) privptr->stats.tx_packets++; so_far += held_skb->len; pkt_cnt++; - dev_kfree_skb_irq(held_skb); + dev_kfree_skb_any(held_skb); held_skb = skb_dequeue(&p_ch->collect_queue); if (held_skb) atomic_dec(&held_skb->users); @@ -533,7 +529,7 @@ claw_open(struct net_device *dev) printk(KERN_INFO "%s:%s Enter \n",dev->name,__FUNCTION__); #endif CLAW_DBF_TEXT(4,trace,"open"); - if (!dev | (dev->name[0] == 0x00)) { + if (!dev || (dev->name[0] == 0x00)) { CLAW_DBF_TEXT(2,trace,"BadDev"); printk(KERN_WARNING "claw: Bad device at open failing \n"); return -ENODEV; @@ -1092,7 +1088,7 @@ claw_release(struct net_device *dev) } } if (privptr->pk_skb != NULL) { - dev_kfree_skb(privptr->pk_skb); + dev_kfree_skb_any(privptr->pk_skb); privptr->pk_skb = NULL; } if(privptr->buffs_alloc != 1) { @@ -1254,7 +1250,7 @@ claw_write_next ( struct chbk * p_ch ) privptr = (struct claw_privbk *) dev->priv; claw_free_wrt_buf( dev ); if ((privptr->write_free_count > 0) && - (skb_queue_len(&p_ch->collect_queue) > 0)) { + !skb_queue_empty(&p_ch->collect_queue)) { pk_skb = claw_pack_skb(privptr); while (pk_skb != NULL) { rc = claw_hw_tx( pk_skb, dev,1); @@ -1407,7 +1403,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first, if ( privptr-> p_read_active_first ==NULL ) { #ifdef DEBUGMSG - printk(KERN_INFO "%s:%s p_read_active_frist == NULL \n", + printk(KERN_INFO "%s:%s p_read_active_first == NULL \n", dev->name,__FUNCTION__); printk(KERN_INFO "%s:%s Read active first/last changed \n", dev->name,__FUNCTION__); @@ -1604,7 +1600,7 @@ dumpit(char* buf, int len) __u32 ct, sw, rm, dup; char *ptr, *rptr; char tbuf[82], tdup[82]; -#if (CONFIG_ARCH_S390X) +#if (CONFIG_64BIT) char addr[22]; #else char addr[12]; @@ -1620,7 +1616,7 @@ dumpit(char* buf, int len) dup = 0; for ( ct=0; ct < len; ct++, ptr++, rptr++ ) { if (sw == 0) { -#if (CONFIG_ARCH_S390X) +#if (CONFIG_64BIT) sprintf(addr, "%16.16lX",(unsigned long)rptr); #else sprintf(addr, "%8.8X",(__u32)rptr); @@ -1635,7 +1631,7 @@ dumpit(char* buf, int len) if (sw == 8) { strcat(bhex, " "); } -#if (CONFIG_ARCH_S390X) +#if (CONFIG_64BIT) sprintf(tbuf,"%2.2lX", (unsigned long)*ptr); #else sprintf(tbuf,"%2.2X", (__u32)*ptr); @@ -2016,7 +2012,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid) p_buf=(struct ccwbk*)privptr->p_end_ccw; dumpit((char *)p_buf, sizeof(struct endccw)); #endif - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); if (linkid==0) { lock=LOCK_NO; } @@ -2743,14 +2739,10 @@ probe_error( struct ccwgroup_device *cgdev) #endif privptr=(struct claw_privbk *)cgdev->dev.driver_data; if (privptr!=NULL) { - if (privptr->p_env != NULL) { - kfree(privptr->p_env); - privptr->p_env=NULL; - } - if (privptr->p_mtc_envelope!=NULL) { - kfree(privptr->p_mtc_envelope); - privptr->p_mtc_envelope=NULL; - } + kfree(privptr->p_env); + privptr->p_env=NULL; + kfree(privptr->p_mtc_envelope); + privptr->p_mtc_envelope=NULL; kfree(privptr); privptr=NULL; } @@ -4061,7 +4053,7 @@ claw_purge_skb_queue(struct sk_buff_head *q) while ((skb = skb_dequeue(q))) { atomic_dec(&skb->users); - dev_kfree_skb_irq(skb); + dev_kfree_skb_any(skb); } } @@ -4121,22 +4113,14 @@ claw_remove_device(struct ccwgroup_device *cgdev) if (cgdev->state == CCWGROUP_ONLINE) claw_shutdown_device(cgdev); claw_remove_files(&cgdev->dev); - if (priv->p_mtc_envelope!=NULL) { - kfree(priv->p_mtc_envelope); - priv->p_mtc_envelope=NULL; - } - if (priv->p_env != NULL) { - kfree(priv->p_env); - priv->p_env=NULL; - } - if (priv->channel[0].irb != NULL) { - kfree(priv->channel[0].irb); - priv->channel[0].irb=NULL; - } - if (priv->channel[1].irb != NULL) { - kfree(priv->channel[1].irb); - priv->channel[1].irb=NULL; - } + kfree(priv->p_mtc_envelope); + priv->p_mtc_envelope=NULL; + kfree(priv->p_env); + priv->p_env=NULL; + kfree(priv->channel[0].irb); + priv->channel[0].irb=NULL; + kfree(priv->channel[1].irb); + priv->channel[1].irb=NULL; kfree(priv); cgdev->dev.driver_data=NULL; cgdev->cdev[READ]->dev.driver_data = NULL; @@ -4149,7 +4133,7 @@ claw_remove_device(struct ccwgroup_device *cgdev) * sysfs attributes */ static ssize_t -claw_hname_show(struct device *dev, char *buf) +claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4162,7 +4146,7 @@ claw_hname_show(struct device *dev, char *buf) } static ssize_t -claw_hname_write(struct device *dev, const char *buf, size_t count) +claw_hname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4186,7 +4170,7 @@ claw_hname_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(host_name, 0644, claw_hname_show, claw_hname_write); static ssize_t -claw_adname_show(struct device *dev, char *buf) +claw_adname_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4199,7 +4183,7 @@ claw_adname_show(struct device *dev, char *buf) } static ssize_t -claw_adname_write(struct device *dev, const char *buf, size_t count) +claw_adname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4223,7 +4207,7 @@ claw_adname_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(adapter_name, 0644, claw_adname_show, claw_adname_write); static ssize_t -claw_apname_show(struct device *dev, char *buf) +claw_apname_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4237,7 +4221,7 @@ claw_apname_show(struct device *dev, char *buf) } static ssize_t -claw_apname_write(struct device *dev, const char *buf, size_t count) +claw_apname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4271,7 +4255,7 @@ claw_apname_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(api_type, 0644, claw_apname_show, claw_apname_write); static ssize_t -claw_wbuff_show(struct device *dev, char *buf) +claw_wbuff_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4284,7 +4268,7 @@ claw_wbuff_show(struct device *dev, char *buf) } static ssize_t -claw_wbuff_write(struct device *dev, const char *buf, size_t count) +claw_wbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4312,7 +4296,7 @@ claw_wbuff_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(write_buffer, 0644, claw_wbuff_show, claw_wbuff_write); static ssize_t -claw_rbuff_show(struct device *dev, char *buf) +claw_rbuff_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4325,7 +4309,7 @@ claw_rbuff_show(struct device *dev, char *buf) } static ssize_t -claw_rbuff_write(struct device *dev, const char *buf, size_t count) +claw_rbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env *p_env; @@ -4404,14 +4388,7 @@ static int __init claw_init(void) { int ret = 0; - printk(KERN_INFO "claw: starting driver " -#ifdef MODULE - "module " -#else - "compiled into kernel " -#endif - " $Revision: 1.35 $ $Date: 2005/03/24 12:25:38 $ \n"); - + printk(KERN_INFO "claw: starting driver\n"); #ifdef FUNCTRACE printk(KERN_INFO "claw: %s() enter \n",__FUNCTION__);