From 481b403ed4ccd72fa1ca98c1621326600c22e28e Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Tue, 28 Feb 2006 13:31:16 +0100 Subject: Refactored LNBP21 and BSBE1 support From: Oliver Endriss Moved duplicated code to separate files. LNBP21 stuff rewritten from scratch, BSBE1 copied from av7110.c. Modified budget driver to use the new routines. Signed-off-by: Oliver Endriss --- linux/drivers/media/dvb/dvb-core/dvb_frontend.h | 1 + 1 file changed, 1 insertion(+) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.h b/linux/drivers/media/dvb/dvb-core/dvb_frontend.h index 70a6d14ef..d5aee5ad6 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -104,6 +104,7 @@ struct dvb_frontend { struct dvb_adapter *dvb; void* demodulator_priv; void* frontend_priv; + void* misc_priv; }; extern int dvb_register_frontend(struct dvb_adapter* dvb, -- cgit v1.2.3 From 4db9b7bc55cb360959d8f9d50c436c2729174355 Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Wed, 8 Mar 2006 02:20:23 +0100 Subject: Typos grab bag of the month From: Alexey Dobriyan Typos grab bag of the month. Eyeballed by jmc@ in OpenBSD. Signed-off-by: Alexey Dobriyan Signed-off-by: Oliver Endriss --- linux/drivers/media/dvb/dvb-core/demux.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/demux.h b/linux/drivers/media/dvb/dvb-core/demux.h index 9f025825b..0c1d87c52 100644 --- a/linux/drivers/media/dvb/dvb-core/demux.h +++ b/linux/drivers/media/dvb/dvb-core/demux.h @@ -216,7 +216,7 @@ struct dmx_frontend { /*--------------------------------------------------------------------------*/ /* - * Flags OR'ed in the capabilites field of struct dmx_demux. + * Flags OR'ed in the capabilities field of struct dmx_demux. */ #define DMX_TS_FILTERING 1 -- cgit v1.2.3 From 5bdd655f12af17420e39e62948d958ce30e5e153 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 10 Mar 2006 15:21:28 -0300 Subject: Remove 'pid' from struct dmxdev_filter From: Andreas Oberritter The PID value is already stored in struct dmx_sct_filter_params which is a member of struct dmxdev_filter. Signed-off-by: Andreas Oberritter Acked-by: Johannes Stezenbach Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dmxdev.c | 9 +++------ linux/drivers/media/dvb/dvb-core/dmxdev.h | 2 -- 2 files changed, 3 insertions(+), 8 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.c b/linux/drivers/media/dvb/dvb-core/dmxdev.c index 4c52c8521..ab1aeb84c 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.c +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.c @@ -454,7 +454,7 @@ static int dvb_dmxdev_feed_restart(struct dmxdev_filter *filter) for (i=0; ifilternum; i++) if (dmxdev->filter[i].state>=DMXDEV_STATE_GO && dmxdev->filter[i].type==DMXDEV_TYPE_SEC && - dmxdev->filter[i].pid==pid) { + dmxdev->filter[i].params.sec.pid==pid) { dvb_dmxdev_feed_start(&dmxdev->filter[i]); return 0; } @@ -505,7 +505,6 @@ static inline int dvb_dmxdev_filter_reset(struct dmxdev_filter *dmxdevfilter) return 0; dmxdevfilter->type=DMXDEV_TYPE_NONE; - dmxdevfilter->pid=0xffff; dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED); return 0; } @@ -546,8 +545,8 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter) /* find active filter/feed with same PID */ for (i=0; ifilternum; i++) { if (dmxdev->filter[i].state >= DMXDEV_STATE_GO && - dmxdev->filter[i].pid == para->pid && - dmxdev->filter[i].type == DMXDEV_TYPE_SEC) { + dmxdev->filter[i].type == DMXDEV_TYPE_SEC && + dmxdev->filter[i].params.sec.pid == para->pid) { *secfeed = dmxdev->filter[i].feed.sec; break; } @@ -756,7 +755,6 @@ static int dvb_dmxdev_filter_set(struct dmxdev *dmxdev, dvb_dmxdev_filter_stop(dmxdevfilter); dmxdevfilter->type=DMXDEV_TYPE_SEC; - dmxdevfilter->pid=params->pid; memcpy(&dmxdevfilter->params.sec, params, sizeof(struct dmx_sct_filter_params)); invert_mode(&dmxdevfilter->params.sec.filter); @@ -778,7 +776,6 @@ static int dvb_dmxdev_pes_filter_set(struct dmxdev *dmxdev, return -EINVAL; dmxdevfilter->type=DMXDEV_TYPE_PES; - dmxdevfilter->pid=params->pid; memcpy(&dmxdevfilter->params, params, sizeof(struct dmx_pes_filter_params)); dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET); diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.h b/linux/drivers/media/dvb/dvb-core/dmxdev.h index d1d34a71b..0f01e5067 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.h +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.h @@ -96,8 +96,6 @@ struct dmxdev_filter { struct timer_list timer; int todo; u8 secheader[3]; - - u16 pid; }; -- cgit v1.2.3 From 6b70793b0fb5b9f9ef070eaa583954d21cded600 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 10 Mar 2006 15:21:43 -0300 Subject: Remove 'dvbdev' from struct dmxdev_filter From: Andreas Oberritter The member dvbdev gets initialized once but is never used after that. Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dmxdev.c | 1 - linux/drivers/media/dvb/dvb-core/dmxdev.h | 2 -- 2 files changed, 3 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.c b/linux/drivers/media/dvb/dvb-core/dmxdev.c index ab1aeb84c..5cd2f9829 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.c +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.c @@ -694,7 +694,6 @@ static int dvb_demux_open(struct inode *inode, struct file *file) dmxdevfilter=&dmxdev->filter[i]; mutex_init(&dmxdevfilter->mutex); - dmxdevfilter->dvbdev=dmxdev->dvbdev; file->private_data=dmxdevfilter; dvb_dmxdev_buffer_init(&dmxdevfilter->buffer); diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.h b/linux/drivers/media/dvb/dvb-core/dmxdev.h index 0f01e5067..63f299d0f 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.h +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.h @@ -65,8 +65,6 @@ struct dmxdev_buffer { }; struct dmxdev_filter { - struct dvb_device *dvbdev; - union { struct dmx_section_filter *sec; } filter; -- cgit v1.2.3 From a8e47043828170edcd5ee7586ca37c9ef52497ad Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 10 Mar 2006 15:21:58 -0300 Subject: Fix typo in enum name and use enum in struct dmxdev_filter From: Andreas Oberritter Rename 'enum dmxdevype' to 'enum dmxdev_type' and use this enum instead of int for the member 'type' of struct dmxdev_filter. Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dmxdev.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.h b/linux/drivers/media/dvb/dvb-core/dmxdev.h index 63f299d0f..73da838f8 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.h +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.h @@ -40,7 +40,7 @@ #include "dvbdev.h" #include "demux.h" -enum dmxdevype { +enum dmxdev_type { DMXDEV_TYPE_NONE, DMXDEV_TYPE_SEC, DMXDEV_TYPE_PES, @@ -79,7 +79,7 @@ struct dmxdev_filter { struct dmx_pes_filter_params pes; } params; - int type; + enum dmxdev_type type; enum dmxdev_state state; struct dmxdev *dev; struct dmxdev_buffer buffer; -- cgit v1.2.3 From 97b932cd99b48897c198332273d76a52bbddf8f2 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 10 Mar 2006 15:22:31 -0300 Subject: Optical cleanup for dmxdev.c From: Andreas Oberritter Used Lindent, manually changed some line breaks. Removed invalid email addresses, useless casts and useless initialization of return values. Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dmxdev.c | 650 +++++++++++++++--------------- 1 file changed, 321 insertions(+), 329 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.c b/linux/drivers/media/dvb/dvb-core/dmxdev.c index 5cd2f9829..f6932d6c6 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.c +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.c @@ -1,9 +1,8 @@ /* * dmxdev.c - DVB demultiplexer device * - * Copyright (C) 2000 Ralph Metzler - * & Marcus Metzler - for convergence integrated media GmbH + * Copyright (C) 2000 Ralph Metzler & Marcus Metzler + * for convergence integrated media GmbH * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License @@ -32,7 +31,6 @@ #include #include #include - #include "dmxdev.h" static int debug; @@ -44,15 +42,16 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); static inline void dvb_dmxdev_buffer_init(struct dmxdev_buffer *buffer) { - buffer->data=NULL; - buffer->size=8192; - buffer->pread=0; - buffer->pwrite=0; - buffer->error=0; + buffer->data = NULL; + buffer->size = 8192; + buffer->pread = 0; + buffer->pwrite = 0; + buffer->error = 0; init_waitqueue_head(&buffer->queue); } -static inline int dvb_dmxdev_buffer_write(struct dmxdev_buffer *buf, const u8 *src, int len) +static inline int dvb_dmxdev_buffer_write(struct dmxdev_buffer *buf, + const u8 *src, int len) { int split; int free; @@ -63,98 +62,99 @@ static inline int dvb_dmxdev_buffer_write(struct dmxdev_buffer *buf, const u8 *s if (!buf->data) return 0; - free=buf->pread-buf->pwrite; - split=0; - if (free<=0) { - free+=buf->size; - split=buf->size-buf->pwrite; + free = buf->pread - buf->pwrite; + split = 0; + if (free <= 0) { + free += buf->size; + split = buf->size - buf->pwrite; } - if (len>=free) { + if (len >= free) { dprintk("dmxdev: buffer overflow\n"); return -1; } - if (split>=len) - split=0; - todo=len; + if (split >= len) + split = 0; + todo = len; if (split) { memcpy(buf->data + buf->pwrite, src, split); - todo-=split; - buf->pwrite=0; + todo -= split; + buf->pwrite = 0; } - memcpy(buf->data + buf->pwrite, src+split, todo); - buf->pwrite=(buf->pwrite+todo)%buf->size; + memcpy(buf->data + buf->pwrite, src + split, todo); + buf->pwrite = (buf->pwrite + todo) % buf->size; return len; } static ssize_t dvb_dmxdev_buffer_read(struct dmxdev_buffer *src, - int non_blocking, char __user *buf, size_t count, loff_t *ppos) + int non_blocking, char __user *buf, + size_t count, loff_t *ppos) { - unsigned long todo=count; + unsigned long todo = count; int split, avail, error; if (!src->data) return 0; - if ((error=src->error)) { - src->pwrite=src->pread; - src->error=0; + if ((error = src->error)) { + src->pwrite = src->pread; + src->error = 0; return error; } - if (non_blocking && (src->pwrite==src->pread)) + if (non_blocking && (src->pwrite == src->pread)) return -EWOULDBLOCK; - while (todo>0) { - if (non_blocking && (src->pwrite==src->pread)) - return (count-todo) ? (count-todo) : -EWOULDBLOCK; + while (todo > 0) { + if (non_blocking && (src->pwrite == src->pread)) + return (count - todo) ? (count - todo) : -EWOULDBLOCK; if (wait_event_interruptible(src->queue, - (src->pread!=src->pwrite) || - (src->error))<0) - return count-todo; + (src->pread != src->pwrite) || + (src->error)) < 0) + return count - todo; - if ((error=src->error)) { - src->pwrite=src->pread; - src->error=0; + if ((error = src->error)) { + src->pwrite = src->pread; + src->error = 0; return error; } - split=src->size; - avail=src->pwrite - src->pread; - if (avail<0) { - avail+=src->size; - split=src->size - src->pread; + split = src->size; + avail = src->pwrite - src->pread; + if (avail < 0) { + avail += src->size; + split = src->size - src->pread; } - if (avail>todo) - avail=todo; - if (splitdata+src->pread, split)) - return -EFAULT; - buf+=split; - src->pread=0; - todo-=split; - avail-=split; + if (avail > todo) + avail = todo; + if (split < avail) { + if (copy_to_user(buf, src->data + src->pread, split)) + return -EFAULT; + buf += split; + src->pread = 0; + todo -= split; + avail -= split; } if (avail) { - if (copy_to_user(buf, src->data+src->pread, avail)) + if (copy_to_user(buf, src->data + src->pread, avail)) return -EFAULT; src->pread = (src->pread + avail) % src->size; - todo-=avail; - buf+=avail; + todo -= avail; + buf += avail; } } return count; } -static struct dmx_frontend * get_fe(struct dmx_demux *demux, int type) +static struct dmx_frontend *get_fe(struct dmx_demux *demux, int type) { struct list_head *head, *pos; - head=demux->get_frontends(demux); + head = demux->get_frontends(demux); if (!head) return NULL; list_for_each(pos, head) - if (DMX_FE_ENTRY(pos)->source==type) + if (DMX_FE_ENTRY(pos)->source == type) return DMX_FE_ENTRY(pos); return NULL; @@ -166,37 +166,37 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) struct dmxdev *dmxdev = dvbdev->priv; struct dmx_frontend *front; - dprintk ("function : %s\n", __FUNCTION__); + dprintk("function : %s\n", __FUNCTION__); if (mutex_lock_interruptible(&dmxdev->mutex)) return -ERESTARTSYS; - if ((file->f_flags&O_ACCMODE)==O_RDWR) { - if (!(dmxdev->capabilities&DMXDEV_CAP_DUPLEX)) { + if ((file->f_flags & O_ACCMODE) == O_RDWR) { + if (!(dmxdev->capabilities & DMXDEV_CAP_DUPLEX)) { mutex_unlock(&dmxdev->mutex); return -EOPNOTSUPP; } } - if ((file->f_flags&O_ACCMODE)==O_RDONLY) { - dvb_dmxdev_buffer_init(&dmxdev->dvr_buffer); - dmxdev->dvr_buffer.size=DVR_BUFFER_SIZE; - dmxdev->dvr_buffer.data=vmalloc(DVR_BUFFER_SIZE); - if (!dmxdev->dvr_buffer.data) { - mutex_unlock(&dmxdev->mutex); - return -ENOMEM; - } + if ((file->f_flags & O_ACCMODE) == O_RDONLY) { + dvb_dmxdev_buffer_init(&dmxdev->dvr_buffer); + dmxdev->dvr_buffer.size = DVR_BUFFER_SIZE; + dmxdev->dvr_buffer.data = vmalloc(DVR_BUFFER_SIZE); + if (!dmxdev->dvr_buffer.data) { + mutex_unlock(&dmxdev->mutex); + return -ENOMEM; + } } - if ((file->f_flags&O_ACCMODE)==O_WRONLY) { - dmxdev->dvr_orig_fe=dmxdev->demux->frontend; + if ((file->f_flags & O_ACCMODE) == O_WRONLY) { + dmxdev->dvr_orig_fe = dmxdev->demux->frontend; if (!dmxdev->demux->write) { mutex_unlock(&dmxdev->mutex); return -EOPNOTSUPP; } - front=get_fe(dmxdev->demux, DMX_MEMORY_FE); + front = get_fe(dmxdev->demux, DMX_MEMORY_FE); if (!front) { mutex_unlock(&dmxdev->mutex); @@ -217,17 +217,17 @@ static int dvb_dvr_release(struct inode *inode, struct file *file) if (mutex_lock_interruptible(&dmxdev->mutex)) return -ERESTARTSYS; - if ((file->f_flags&O_ACCMODE)==O_WRONLY) { + if ((file->f_flags & O_ACCMODE) == O_WRONLY) { dmxdev->demux->disconnect_frontend(dmxdev->demux); dmxdev->demux->connect_frontend(dmxdev->demux, dmxdev->dvr_orig_fe); } - if ((file->f_flags&O_ACCMODE)==O_RDONLY) { + if ((file->f_flags & O_ACCMODE) == O_RDONLY) { if (dmxdev->dvr_buffer.data) { - void *mem=dmxdev->dvr_buffer.data; + void *mem = dmxdev->dvr_buffer.data; mb(); spin_lock_irq(&dmxdev->lock); - dmxdev->dvr_buffer.data=NULL; + dmxdev->dvr_buffer.data = NULL; spin_unlock_irq(&dmxdev->lock); vfree(mem); } @@ -237,7 +237,7 @@ static int dvb_dvr_release(struct inode *inode, struct file *file) } static ssize_t dvb_dvr_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) + size_t count, loff_t *ppos) { struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; @@ -245,60 +245,62 @@ static ssize_t dvb_dvr_write(struct file *file, const char __user *buf, if (!dmxdev->demux->write) return -EOPNOTSUPP; - if ((file->f_flags&O_ACCMODE)!=O_WRONLY) + if ((file->f_flags & O_ACCMODE) != O_WRONLY) return -EINVAL; if (mutex_lock_interruptible(&dmxdev->mutex)) return -ERESTARTSYS; - ret=dmxdev->demux->write(dmxdev->demux, buf, count); + ret = dmxdev->demux->write(dmxdev->demux, buf, count); mutex_unlock(&dmxdev->mutex); return ret; } static ssize_t dvb_dvr_read(struct file *file, char __user *buf, size_t count, - loff_t *ppos) + loff_t *ppos) { struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; int ret; //mutex_lock(&dmxdev->mutex); - ret= dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer, - file->f_flags&O_NONBLOCK, - buf, count, ppos); + ret = dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer, + file->f_flags & O_NONBLOCK, + buf, count, ppos); //mutex_unlock(&dmxdev->mutex); return ret; } -static inline void dvb_dmxdev_filter_state_set(struct dmxdev_filter *dmxdevfilter, int state) +static inline void dvb_dmxdev_filter_state_set(struct dmxdev_filter + *dmxdevfilter, int state) { spin_lock_irq(&dmxdevfilter->dev->lock); - dmxdevfilter->state=state; + dmxdevfilter->state = state; spin_unlock_irq(&dmxdevfilter->dev->lock); } -static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter, unsigned long size) +static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter, + unsigned long size) { - struct dmxdev_buffer *buf=&dmxdevfilter->buffer; + struct dmxdev_buffer *buf = &dmxdevfilter->buffer; void *mem; - if (buf->size==size) + if (buf->size == size) return 0; - if (dmxdevfilter->state>=DMXDEV_STATE_GO) + if (dmxdevfilter->state >= DMXDEV_STATE_GO) return -EBUSY; spin_lock_irq(&dmxdevfilter->dev->lock); - mem=buf->data; - buf->data=NULL; - buf->size=size; - buf->pwrite=buf->pread=0; + mem = buf->data; + buf->data = NULL; + buf->size = size; + buf->pwrite = buf->pread = 0; spin_unlock_irq(&dmxdevfilter->dev->lock); vfree(mem); if (buf->size) { - mem=vmalloc(dmxdevfilter->buffer.size); + mem = vmalloc(dmxdevfilter->buffer.size); if (!mem) return -ENOMEM; spin_lock_irq(&dmxdevfilter->dev->lock); - buf->data=mem; + buf->data = mem; spin_unlock_irq(&dmxdevfilter->dev->lock); } return 0; @@ -306,31 +308,33 @@ static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter, unsign static void dvb_dmxdev_filter_timeout(unsigned long data) { - struct dmxdev_filter *dmxdevfilter=(struct dmxdev_filter *)data; + struct dmxdev_filter *dmxdevfilter = (struct dmxdev_filter *)data; - dmxdevfilter->buffer.error=-ETIMEDOUT; + dmxdevfilter->buffer.error = -ETIMEDOUT; spin_lock_irq(&dmxdevfilter->dev->lock); - dmxdevfilter->state=DMXDEV_STATE_TIMEDOUT; + dmxdevfilter->state = DMXDEV_STATE_TIMEDOUT; spin_unlock_irq(&dmxdevfilter->dev->lock); wake_up(&dmxdevfilter->buffer.queue); } static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter) { - struct dmx_sct_filter_params *para=&dmxdevfilter->params.sec; + struct dmx_sct_filter_params *para = &dmxdevfilter->params.sec; del_timer(&dmxdevfilter->timer); if (para->timeout) { - dmxdevfilter->timer.function=dvb_dmxdev_filter_timeout; - dmxdevfilter->timer.data=(unsigned long) dmxdevfilter; - dmxdevfilter->timer.expires=jiffies+1+(HZ/2+HZ*para->timeout)/1000; + dmxdevfilter->timer.function = dvb_dmxdev_filter_timeout; + dmxdevfilter->timer.data = (unsigned long)dmxdevfilter; + dmxdevfilter->timer.expires = + jiffies + 1 + (HZ / 2 + HZ * para->timeout) / 1000; add_timer(&dmxdevfilter->timer); } } static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, - const u8 *buffer2, size_t buffer2_len, - struct dmx_section_filter *filter, enum dmx_success success) + const u8 *buffer2, size_t buffer2_len, + struct dmx_section_filter *filter, + enum dmx_success success) { struct dmxdev_filter *dmxdevfilter = filter->priv; int ret; @@ -340,68 +344,68 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, return 0; } spin_lock(&dmxdevfilter->dev->lock); - if (dmxdevfilter->state!=DMXDEV_STATE_GO) { + if (dmxdevfilter->state != DMXDEV_STATE_GO) { spin_unlock(&dmxdevfilter->dev->lock); return 0; } del_timer(&dmxdevfilter->timer); dprintk("dmxdev: section callback %02x %02x %02x %02x %02x %02x\n", buffer1[0], buffer1[1], - buffer1[2], buffer1[3], - buffer1[4], buffer1[5]); - ret=dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer1, buffer1_len); - if (ret==buffer1_len) { - ret=dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer2, buffer2_len); + buffer1[2], buffer1[3], buffer1[4], buffer1[5]); + ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer1, + buffer1_len); + if (ret == buffer1_len) { + ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer2, + buffer2_len); } - if (ret<0) { - dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread; - dmxdevfilter->buffer.error=-EOVERFLOW; + if (ret < 0) { + dmxdevfilter->buffer.pwrite = dmxdevfilter->buffer.pread; + dmxdevfilter->buffer.error = -EOVERFLOW; } - if (dmxdevfilter->params.sec.flags&DMX_ONESHOT) - dmxdevfilter->state=DMXDEV_STATE_DONE; + if (dmxdevfilter->params.sec.flags & DMX_ONESHOT) + dmxdevfilter->state = DMXDEV_STATE_DONE; spin_unlock(&dmxdevfilter->dev->lock); wake_up(&dmxdevfilter->buffer.queue); return 0; } static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, - const u8 *buffer2, size_t buffer2_len, - struct dmx_ts_feed *feed, enum dmx_success success) + const u8 *buffer2, size_t buffer2_len, + struct dmx_ts_feed *feed, + enum dmx_success success) { struct dmxdev_filter *dmxdevfilter = feed->priv; struct dmxdev_buffer *buffer; int ret; spin_lock(&dmxdevfilter->dev->lock); - if (dmxdevfilter->params.pes.output==DMX_OUT_DECODER) { + if (dmxdevfilter->params.pes.output == DMX_OUT_DECODER) { spin_unlock(&dmxdevfilter->dev->lock); return 0; } - if (dmxdevfilter->params.pes.output==DMX_OUT_TAP) - buffer=&dmxdevfilter->buffer; + if (dmxdevfilter->params.pes.output == DMX_OUT_TAP) + buffer = &dmxdevfilter->buffer; else - buffer=&dmxdevfilter->dev->dvr_buffer; + buffer = &dmxdevfilter->dev->dvr_buffer; if (buffer->error) { spin_unlock(&dmxdevfilter->dev->lock); wake_up(&buffer->queue); return 0; } - ret=dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len); - if (ret==buffer1_len) - ret=dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len); - if (ret<0) { - buffer->pwrite=buffer->pread; - buffer->error=-EOVERFLOW; + ret = dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len); + if (ret == buffer1_len) + ret = dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len); + if (ret < 0) { + buffer->pwrite = buffer->pread; + buffer->error = -EOVERFLOW; } spin_unlock(&dmxdevfilter->dev->lock); wake_up(&buffer->queue); return 0; } - /* stop feed but only mark the specified filter as stopped (state set) */ - static int dvb_dmxdev_feed_stop(struct dmxdev_filter *dmxdevfilter) { dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET); @@ -420,20 +424,16 @@ static int dvb_dmxdev_feed_stop(struct dmxdev_filter *dmxdevfilter) return 0; } - /* start feed associated with the specified filter */ - static int dvb_dmxdev_feed_start(struct dmxdev_filter *filter) { - dvb_dmxdev_filter_state_set (filter, DMXDEV_STATE_GO); + dvb_dmxdev_filter_state_set(filter, DMXDEV_STATE_GO); switch (filter->type) { case DMXDEV_TYPE_SEC: return filter->feed.sec->start_filtering(filter->feed.sec); - break; case DMXDEV_TYPE_PES: return filter->feed.ts->start_filtering(filter->feed.ts); - break; default: return -EINVAL; } @@ -441,32 +441,31 @@ static int dvb_dmxdev_feed_start(struct dmxdev_filter *filter) return 0; } - /* restart section feed if it has filters left associated with it, otherwise release the feed */ - static int dvb_dmxdev_feed_restart(struct dmxdev_filter *filter) { int i; struct dmxdev *dmxdev = filter->dev; u16 pid = filter->params.sec.pid; - for (i=0; ifilternum; i++) - if (dmxdev->filter[i].state>=DMXDEV_STATE_GO && - dmxdev->filter[i].type==DMXDEV_TYPE_SEC && - dmxdev->filter[i].params.sec.pid==pid) { + for (i = 0; i < dmxdev->filternum; i++) + if (dmxdev->filter[i].state >= DMXDEV_STATE_GO && + dmxdev->filter[i].type == DMXDEV_TYPE_SEC && + dmxdev->filter[i].params.sec.pid == pid) { dvb_dmxdev_feed_start(&dmxdev->filter[i]); return 0; } - filter->dev->demux->release_section_feed(dmxdev->demux, filter->feed.sec); + filter->dev->demux->release_section_feed(dmxdev->demux, + filter->feed.sec); return 0; } static int dvb_dmxdev_filter_stop(struct dmxdev_filter *dmxdevfilter) { - if (dmxdevfilter->statestate < DMXDEV_STATE_GO) return 0; switch (dmxdevfilter->type) { @@ -476,35 +475,35 @@ static int dvb_dmxdev_filter_stop(struct dmxdev_filter *dmxdevfilter) dvb_dmxdev_feed_stop(dmxdevfilter); if (dmxdevfilter->filter.sec) dmxdevfilter->feed.sec-> - release_filter(dmxdevfilter->feed.sec, - dmxdevfilter->filter.sec); + release_filter(dmxdevfilter->feed.sec, + dmxdevfilter->filter.sec); dvb_dmxdev_feed_restart(dmxdevfilter); - dmxdevfilter->feed.sec=NULL; + dmxdevfilter->feed.sec = NULL; break; case DMXDEV_TYPE_PES: if (!dmxdevfilter->feed.ts) break; dvb_dmxdev_feed_stop(dmxdevfilter); dmxdevfilter->dev->demux-> - release_ts_feed(dmxdevfilter->dev->demux, - dmxdevfilter->feed.ts); - dmxdevfilter->feed.ts=NULL; + release_ts_feed(dmxdevfilter->dev->demux, + dmxdevfilter->feed.ts); + dmxdevfilter->feed.ts = NULL; break; default: - if (dmxdevfilter->state==DMXDEV_STATE_ALLOCATED) + if (dmxdevfilter->state == DMXDEV_STATE_ALLOCATED) return 0; return -EINVAL; } - dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread=0; + dmxdevfilter->buffer.pwrite = dmxdevfilter->buffer.pread = 0; return 0; } static inline int dvb_dmxdev_filter_reset(struct dmxdev_filter *dmxdevfilter) { - if (dmxdevfilter->statestate < DMXDEV_STATE_SET) return 0; - dmxdevfilter->type=DMXDEV_TYPE_NONE; + dmxdevfilter->type = DMXDEV_TYPE_NONE; dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED); return 0; } @@ -524,7 +523,7 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter) if (!(mem = filter->buffer.data)) { mem = vmalloc(filter->buffer.size); spin_lock_irq(&filter->dev->lock); - filter->buffer.data=mem; + filter->buffer.data = mem; spin_unlock_irq(&filter->dev->lock); if (!filter->buffer.data) return -ENOMEM; @@ -535,15 +534,16 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter) switch (filter->type) { case DMXDEV_TYPE_SEC: { - struct dmx_sct_filter_params *para=&filter->params.sec; - struct dmx_section_filter **secfilter=&filter->filter.sec; - struct dmx_section_feed **secfeed=&filter->feed.sec; + struct dmx_sct_filter_params *para = &filter->params.sec; + struct dmx_section_filter **secfilter = &filter->filter.sec; + struct dmx_section_feed **secfeed = &filter->feed.sec; + + *secfilter = NULL; + *secfeed = NULL; - *secfilter=NULL; - *secfeed=NULL; /* find active filter/feed with same PID */ - for (i=0; ifilternum; i++) { + for (i = 0; i < dmxdev->filternum; i++) { if (dmxdev->filter[i].state >= DMXDEV_STATE_GO && dmxdev->filter[i].type == DMXDEV_TYPE_SEC && dmxdev->filter[i].params.sec.pid == para->pid) { @@ -554,21 +554,20 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter) /* if no feed found, try to allocate new one */ if (!*secfeed) { - ret=dmxdev->demux->allocate_section_feed(dmxdev->demux, - secfeed, - dvb_dmxdev_section_callback); - if (ret<0) { - printk ("DVB (%s): could not alloc feed\n", - __FUNCTION__); + ret = dmxdev->demux->allocate_section_feed(dmxdev->demux, + secfeed, + dvb_dmxdev_section_callback); + if (ret < 0) { + printk("DVB (%s): could not alloc feed\n", + __FUNCTION__); return ret; } - ret=(*secfeed)->set(*secfeed, para->pid, 32768, - (para->flags & DMX_CHECK_CRC) ? 1 : 0); - - if (ret<0) { - printk ("DVB (%s): could not set feed\n", - __FUNCTION__); + ret = (*secfeed)->set(*secfeed, para->pid, 32768, + (para->flags & DMX_CHECK_CRC) ? 1 : 0); + if (ret < 0) { + printk("DVB (%s): could not set feed\n", + __FUNCTION__); dvb_dmxdev_feed_restart(filter); return ret; } @@ -576,41 +575,38 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter) dvb_dmxdev_feed_stop(filter); } - ret=(*secfeed)->allocate_filter(*secfeed, secfilter); - + ret = (*secfeed)->allocate_filter(*secfeed, secfilter); if (ret < 0) { dvb_dmxdev_feed_restart(filter); filter->feed.sec->start_filtering(*secfeed); - dprintk ("could not get filter\n"); + dprintk("could not get filter\n"); return ret; } (*secfilter)->priv = filter; memcpy(&((*secfilter)->filter_value[3]), - &(para->filter.filter[1]), DMX_FILTER_SIZE-1); + &(para->filter.filter[1]), DMX_FILTER_SIZE - 1); memcpy(&(*secfilter)->filter_mask[3], - ¶->filter.mask[1], DMX_FILTER_SIZE-1); + ¶->filter.mask[1], DMX_FILTER_SIZE - 1); memcpy(&(*secfilter)->filter_mode[3], - ¶->filter.mode[1], DMX_FILTER_SIZE-1); + ¶->filter.mode[1], DMX_FILTER_SIZE - 1); - (*secfilter)->filter_value[0]=para->filter.filter[0]; - (*secfilter)->filter_mask[0]=para->filter.mask[0]; - (*secfilter)->filter_mode[0]=para->filter.mode[0]; - (*secfilter)->filter_mask[1]=0; - (*secfilter)->filter_mask[2]=0; + (*secfilter)->filter_value[0] = para->filter.filter[0]; + (*secfilter)->filter_mask[0] = para->filter.mask[0]; + (*secfilter)->filter_mode[0] = para->filter.mode[0]; + (*secfilter)->filter_mask[1] = 0; + (*secfilter)->filter_mask[2] = 0; filter->todo = 0; - ret = filter->feed.sec->start_filtering (filter->feed.sec); - + ret = filter->feed.sec->start_filtering(filter->feed.sec); if (ret < 0) return ret; dvb_dmxdev_filter_timer(filter); break; } - case DMXDEV_TYPE_PES: { struct timespec timeout = { 0 }; @@ -622,41 +618,41 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter) struct dmx_ts_feed **tsfeed = &filter->feed.ts; filter->feed.ts = NULL; - otype=para->output; + otype = para->output; - ts_pes=(enum dmx_ts_pes) para->pes_type; + ts_pes = (enum dmx_ts_pes)para->pes_type; - if (ts_pesdemux->allocate_ts_feed(dmxdev->demux, - tsfeed, - dvb_dmxdev_ts_callback); - if (ret<0) + ret = dmxdev->demux->allocate_ts_feed(dmxdev->demux, + tsfeed, + dvb_dmxdev_ts_callback); + if (ret < 0) return ret; - (*tsfeed)->priv = (void *) filter; + (*tsfeed)->priv = filter; ret = (*tsfeed)->set(*tsfeed, para->pid, ts_type, ts_pes, 32768, timeout); - if (ret < 0) { - dmxdev->demux->release_ts_feed(dmxdev->demux, *tsfeed); + dmxdev->demux->release_ts_feed(dmxdev->demux, + *tsfeed); return ret; } ret = filter->feed.ts->start_filtering(filter->feed.ts); - if (ret < 0) { - dmxdev->demux->release_ts_feed(dmxdev->demux, *tsfeed); + dmxdev->demux->release_ts_feed(dmxdev->demux, + *tsfeed); return ret; } @@ -683,31 +679,31 @@ static int dvb_demux_open(struct inode *inode, struct file *file) if (mutex_lock_interruptible(&dmxdev->mutex)) return -ERESTARTSYS; - for (i=0; ifilternum; i++) - if (dmxdev->filter[i].state==DMXDEV_STATE_FREE) + for (i = 0; i < dmxdev->filternum; i++) + if (dmxdev->filter[i].state == DMXDEV_STATE_FREE) break; - if (i==dmxdev->filternum) { + if (i == dmxdev->filternum) { mutex_unlock(&dmxdev->mutex); return -EMFILE; } - dmxdevfilter=&dmxdev->filter[i]; + dmxdevfilter = &dmxdev->filter[i]; mutex_init(&dmxdevfilter->mutex); - file->private_data=dmxdevfilter; + file->private_data = dmxdevfilter; dvb_dmxdev_buffer_init(&dmxdevfilter->buffer); - dmxdevfilter->type=DMXDEV_TYPE_NONE; + dmxdevfilter->type = DMXDEV_TYPE_NONE; dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED); - dmxdevfilter->feed.ts=NULL; + dmxdevfilter->feed.ts = NULL; init_timer(&dmxdevfilter->timer); mutex_unlock(&dmxdev->mutex); return 0; } - -static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, struct dmxdev_filter *dmxdevfilter) +static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, + struct dmxdev_filter *dmxdevfilter) { if (mutex_lock_interruptible(&dmxdev->mutex)) return -ERESTARTSYS; @@ -721,10 +717,10 @@ static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, struct dmxdev_filter *d dvb_dmxdev_filter_reset(dmxdevfilter); if (dmxdevfilter->buffer.data) { - void *mem=dmxdevfilter->buffer.data; + void *mem = dmxdevfilter->buffer.data; spin_lock_irq(&dmxdev->lock); - dmxdevfilter->buffer.data=NULL; + dmxdevfilter->buffer.data = NULL; spin_unlock_irq(&dmxdev->lock); vfree(mem); } @@ -740,118 +736,120 @@ static inline void invert_mode(dmx_filter_t *filter) { int i; - for (i=0; imode[i]^=0xff; + for (i = 0; i < DMX_FILTER_SIZE; i++) + filter->mode[i] ^= 0xff; } - static int dvb_dmxdev_filter_set(struct dmxdev *dmxdev, - struct dmxdev_filter *dmxdevfilter, - struct dmx_sct_filter_params *params) + struct dmxdev_filter *dmxdevfilter, + struct dmx_sct_filter_params *params) { - dprintk ("function : %s\n", __FUNCTION__); + dprintk("function : %s\n", __FUNCTION__); dvb_dmxdev_filter_stop(dmxdevfilter); - dmxdevfilter->type=DMXDEV_TYPE_SEC; + dmxdevfilter->type = DMXDEV_TYPE_SEC; memcpy(&dmxdevfilter->params.sec, params, sizeof(struct dmx_sct_filter_params)); invert_mode(&dmxdevfilter->params.sec.filter); dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET); - if (params->flags&DMX_IMMEDIATE_START) + if (params->flags & DMX_IMMEDIATE_START) return dvb_dmxdev_filter_start(dmxdevfilter); return 0; } static int dvb_dmxdev_pes_filter_set(struct dmxdev *dmxdev, - struct dmxdev_filter *dmxdevfilter, - struct dmx_pes_filter_params *params) + struct dmxdev_filter *dmxdevfilter, + struct dmx_pes_filter_params *params) { dvb_dmxdev_filter_stop(dmxdevfilter); - if (params->pes_type>DMX_PES_OTHER || params->pes_type<0) + if (params->pes_type > DMX_PES_OTHER || params->pes_type < 0) return -EINVAL; - dmxdevfilter->type=DMXDEV_TYPE_PES; - memcpy(&dmxdevfilter->params, params, sizeof(struct dmx_pes_filter_params)); + dmxdevfilter->type = DMXDEV_TYPE_PES; + memcpy(&dmxdevfilter->params, params, + sizeof(struct dmx_pes_filter_params)); dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET); - if (params->flags&DMX_IMMEDIATE_START) + if (params->flags & DMX_IMMEDIATE_START) return dvb_dmxdev_filter_start(dmxdevfilter); return 0; } static ssize_t dvb_dmxdev_read_sec(struct dmxdev_filter *dfil, - struct file *file, char __user *buf, size_t count, loff_t *ppos) + struct file *file, char __user *buf, + size_t count, loff_t *ppos) { int result, hcount; - int done=0; - - if (dfil->todo<=0) { - hcount=3+dfil->todo; - if (hcount>count) - hcount=count; - result=dvb_dmxdev_buffer_read(&dfil->buffer, file->f_flags&O_NONBLOCK, - buf, hcount, ppos); - if (result<0) { - dfil->todo=0; + int done = 0; + + if (dfil->todo <= 0) { + hcount = 3 + dfil->todo; + if (hcount > count) + hcount = count; + result = dvb_dmxdev_buffer_read(&dfil->buffer, + file->f_flags & O_NONBLOCK, + buf, hcount, ppos); + if (result < 0) { + dfil->todo = 0; return result; } - if (copy_from_user(dfil->secheader-dfil->todo, buf, result)) + if (copy_from_user(dfil->secheader - dfil->todo, buf, result)) return -EFAULT; - buf+=result; - done=result; - count-=result; - dfil->todo-=result; - if (dfil->todo>-3) + buf += result; + done = result; + count -= result; + dfil->todo -= result; + if (dfil->todo > -3) return done; - dfil->todo=((dfil->secheader[1]<<8)|dfil->secheader[2])&0xfff; + dfil->todo = ((dfil->secheader[1] << 8) | dfil->secheader[2]) & 0xfff; if (!count) return done; } - if (count>dfil->todo) - count=dfil->todo; - result=dvb_dmxdev_buffer_read(&dfil->buffer, file->f_flags&O_NONBLOCK, - buf, count, ppos); - if (result<0) + if (count > dfil->todo) + count = dfil->todo; + result = dvb_dmxdev_buffer_read(&dfil->buffer, + file->f_flags & O_NONBLOCK, + buf, count, ppos); + if (result < 0) return result; - dfil->todo-=result; - return (result+done); + dfil->todo -= result; + return (result + done); } - static ssize_t -dvb_demux_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) +dvb_demux_read(struct file *file, char __user *buf, size_t count, + loff_t *ppos) { - struct dmxdev_filter *dmxdevfilter= file->private_data; - int ret=0; + struct dmxdev_filter *dmxdevfilter = file->private_data; + int ret; if (mutex_lock_interruptible(&dmxdevfilter->mutex)) return -ERESTARTSYS; - if (dmxdevfilter->type==DMXDEV_TYPE_SEC) - ret=dvb_dmxdev_read_sec(dmxdevfilter, file, buf, count, ppos); + if (dmxdevfilter->type == DMXDEV_TYPE_SEC) + ret = dvb_dmxdev_read_sec(dmxdevfilter, file, buf, count, ppos); else - ret=dvb_dmxdev_buffer_read(&dmxdevfilter->buffer, - file->f_flags&O_NONBLOCK, - buf, count, ppos); + ret = dvb_dmxdev_buffer_read(&dmxdevfilter->buffer, + file->f_flags & O_NONBLOCK, + buf, count, ppos); mutex_unlock(&dmxdevfilter->mutex); return ret; } - static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *parg) { struct dmxdev_filter *dmxdevfilter = file->private_data; - struct dmxdev *dmxdev=dmxdevfilter->dev; - unsigned long arg=(unsigned long) parg; - int ret=0; + struct dmxdev *dmxdev = dmxdevfilter->dev; + unsigned long arg = (unsigned long)parg; + int ret = 0; if (mutex_lock_interruptible(&dmxdev->mutex)) return -ERESTARTSYS; @@ -862,7 +860,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, mutex_unlock(&dmxdev->mutex); return -ERESTARTSYS; } - if (dmxdevfilter->statestate < DMXDEV_STATE_SET) ret = -EINVAL; else ret = dvb_dmxdev_filter_start(dmxdevfilter); @@ -874,7 +872,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, mutex_unlock(&dmxdev->mutex); return -ERESTARTSYS; } - ret=dvb_dmxdev_filter_stop(dmxdevfilter); + ret = dvb_dmxdev_filter_stop(dmxdevfilter); mutex_unlock(&dmxdevfilter->mutex); break; @@ -883,8 +881,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, mutex_unlock(&dmxdev->mutex); return -ERESTARTSYS; } - ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter, - (struct dmx_sct_filter_params *)parg); + ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter, parg); mutex_unlock(&dmxdevfilter->mutex); break; @@ -893,8 +890,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, mutex_unlock(&dmxdev->mutex); return -ERESTARTSYS; } - ret=dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter, - (struct dmx_pes_filter_params *)parg); + ret = dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter, parg); mutex_unlock(&dmxdevfilter->mutex); break; @@ -903,7 +899,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, mutex_unlock(&dmxdev->mutex); return -ERESTARTSYS; } - ret=dvb_dmxdev_set_buffer_size(dmxdevfilter, arg); + ret = dvb_dmxdev_set_buffer_size(dmxdevfilter, arg); mutex_unlock(&dmxdevfilter->mutex); break; @@ -912,10 +908,10 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, case DMX_GET_PES_PIDS: if (!dmxdev->demux->get_pes_pids) { - ret=-EINVAL; + ret = -EINVAL; break; } - dmxdev->demux->get_pes_pids(dmxdev->demux, (u16 *)parg); + dmxdev->demux->get_pes_pids(dmxdev->demux, parg); break; case DMX_GET_CAPS: @@ -936,17 +932,18 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, case DMX_GET_STC: if (!dmxdev->demux->get_stc) { - ret=-EINVAL; + ret = -EINVAL; break; } ret = dmxdev->demux->get_stc(dmxdev->demux, - ((struct dmx_stc *)parg)->num, - &((struct dmx_stc *)parg)->stc, - &((struct dmx_stc *)parg)->base); + ((struct dmx_stc *)parg)->num, + &((struct dmx_stc *)parg)->stc, + &((struct dmx_stc *)parg)->base); break; default: - ret=-EINVAL; + ret = -EINVAL; + break; } mutex_unlock(&dmxdev->mutex); return ret; @@ -958,8 +955,7 @@ static int dvb_demux_ioctl(struct inode *inode, struct file *file, return dvb_usercopy(inode, file, cmd, arg, dvb_demux_do_ioctl); } - -static unsigned int dvb_demux_poll (struct file *file, poll_table *wait) +static unsigned int dvb_demux_poll(struct file *file, poll_table *wait) { struct dmxdev_filter *dmxdevfilter = file->private_data; unsigned int mask = 0; @@ -983,7 +979,6 @@ static unsigned int dvb_demux_poll (struct file *file, poll_table *wait) return mask; } - static int dvb_demux_release(struct inode *inode, struct file *file) { struct dmxdev_filter *dmxdevfilter = file->private_data; @@ -992,32 +987,28 @@ static int dvb_demux_release(struct inode *inode, struct file *file) return dvb_dmxdev_filter_free(dmxdev, dmxdevfilter); } - static struct file_operations dvb_demux_fops = { - .owner = THIS_MODULE, - .read = dvb_demux_read, - .ioctl = dvb_demux_ioctl, - .open = dvb_demux_open, - .release = dvb_demux_release, - .poll = dvb_demux_poll, + .owner = THIS_MODULE, + .read = dvb_demux_read, + .ioctl = dvb_demux_ioctl, + .open = dvb_demux_open, + .release = dvb_demux_release, + .poll = dvb_demux_poll, }; - static struct dvb_device dvbdev_demux = { - .priv = NULL, - .users = 1, - .writers = 1, - .fops = &dvb_demux_fops + .priv = NULL, + .users = 1, + .writers = 1, + .fops = &dvb_demux_fops }; - static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, void *parg) + unsigned int cmd, void *parg) { struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; - - int ret=0; + int ret; if (mutex_lock_interruptible(&dmxdev->mutex)) return -ERESTARTSYS; @@ -1025,39 +1016,38 @@ static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file, switch (cmd) { case DMX_SET_BUFFER_SIZE: // FIXME: implement - ret=0; + ret = 0; break; default: - ret=-EINVAL; + ret = -EINVAL; + break; } mutex_unlock(&dmxdev->mutex); return ret; } - static int dvb_dvr_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) + unsigned int cmd, unsigned long arg) { return dvb_usercopy(inode, file, cmd, arg, dvb_dvr_do_ioctl); } - -static unsigned int dvb_dvr_poll (struct file *file, poll_table *wait) +static unsigned int dvb_dvr_poll(struct file *file, poll_table *wait) { struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; unsigned int mask = 0; - dprintk ("function : %s\n", __FUNCTION__); + dprintk("function : %s\n", __FUNCTION__); poll_wait(file, &dmxdev->dvr_buffer.queue, wait); - if ((file->f_flags&O_ACCMODE) == O_RDONLY) { + if ((file->f_flags & O_ACCMODE) == O_RDONLY) { if (dmxdev->dvr_buffer.error) mask |= (POLLIN | POLLRDNORM | POLLPRI | POLLERR); - if (dmxdev->dvr_buffer.pread!=dmxdev->dvr_buffer.pwrite) + if (dmxdev->dvr_buffer.pread != dmxdev->dvr_buffer.pwrite) mask |= (POLLIN | POLLRDNORM | POLLPRI); } else mask |= (POLLOUT | POLLWRNORM | POLLPRI); @@ -1065,61 +1055,63 @@ static unsigned int dvb_dvr_poll (struct file *file, poll_table *wait) return mask; } - static struct file_operations dvb_dvr_fops = { - .owner = THIS_MODULE, - .read = dvb_dvr_read, - .write = dvb_dvr_write, - .ioctl = dvb_dvr_ioctl, - .open = dvb_dvr_open, - .release = dvb_dvr_release, - .poll = dvb_dvr_poll, + .owner = THIS_MODULE, + .read = dvb_dvr_read, + .write = dvb_dvr_write, + .ioctl = dvb_dvr_ioctl, + .open = dvb_dvr_open, + .release = dvb_dvr_release, + .poll = dvb_dvr_poll, }; static struct dvb_device dvbdev_dvr = { - .priv = NULL, - .users = 1, - .writers = 1, - .fops = &dvb_dvr_fops + .priv = NULL, + .users = 1, + .writers = 1, + .fops = &dvb_dvr_fops }; -int -dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter) +int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter) { int i; if (dmxdev->demux->open(dmxdev->demux) < 0) return -EUSERS; - dmxdev->filter = vmalloc(dmxdev->filternum*sizeof(struct dmxdev_filter)); + dmxdev->filter = vmalloc(dmxdev->filternum * sizeof(struct dmxdev_filter)); if (!dmxdev->filter) return -ENOMEM; mutex_init(&dmxdev->mutex); spin_lock_init(&dmxdev->lock); - for (i=0; ifilternum; i++) { - dmxdev->filter[i].dev=dmxdev; - dmxdev->filter[i].buffer.data=NULL; - dvb_dmxdev_filter_state_set(&dmxdev->filter[i], DMXDEV_STATE_FREE); + for (i = 0; i < dmxdev->filternum; i++) { + dmxdev->filter[i].dev = dmxdev; + dmxdev->filter[i].buffer.data = NULL; + dvb_dmxdev_filter_state_set(&dmxdev->filter[i], + DMXDEV_STATE_FREE); } - dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev, DVB_DEVICE_DEMUX); - dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr, dmxdev, DVB_DEVICE_DVR); + dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev, + DVB_DEVICE_DEMUX); + dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr, + dmxdev, DVB_DEVICE_DVR); dvb_dmxdev_buffer_init(&dmxdev->dvr_buffer); return 0; } + EXPORT_SYMBOL(dvb_dmxdev_init); -void -dvb_dmxdev_release(struct dmxdev *dmxdev) +void dvb_dmxdev_release(struct dmxdev *dmxdev) { dvb_unregister_device(dmxdev->dvbdev); dvb_unregister_device(dmxdev->dvr_dvbdev); vfree(dmxdev->filter); - dmxdev->filter=NULL; + dmxdev->filter = NULL; dmxdev->demux->close(dmxdev->demux); } + EXPORT_SYMBOL(dvb_dmxdev_release); -- cgit v1.2.3 From 8dedcbf12153e737c57c521a6fbf108e6f9e81d8 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 13 Mar 2006 13:14:34 -0300 Subject: Make dvb_ringbuffer compatible to dmxdev_buffer From: Andreas Oberritter Added variable 'error' to struct dvb_ringbuffer, which is set to zero on init() and flush(). Also reset read an write pointers to zero on flush() to get less fragmented data. Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c | 4 +++- linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c index 77ad2410f..f23324835 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c @@ -45,6 +45,7 @@ void dvb_ringbuffer_init(struct dvb_ringbuffer *rbuf, void *data, size_t len) rbuf->pread=rbuf->pwrite=0; rbuf->data=data; rbuf->size=len; + rbuf->error=0; init_waitqueue_head(&rbuf->queue); @@ -86,7 +87,8 @@ ssize_t dvb_ringbuffer_avail(struct dvb_ringbuffer *rbuf) void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf) { - rbuf->pread = rbuf->pwrite; + rbuf->pread = rbuf->pwrite = 0; + rbuf->error = 0; } diff --git a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h index 6d2560972..d97714e75 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h +++ b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h @@ -35,6 +35,7 @@ struct dvb_ringbuffer { ssize_t size; ssize_t pread; ssize_t pwrite; + int error; wait_queue_head_t queue; spinlock_t lock; -- cgit v1.2.3 From eef01923b77627b1aeead66d2ba596b3dbc0c35d Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Mar 2006 17:30:09 -0300 Subject: Ringbuffer: don't reset pointers to zero From: Andreas Oberritter Oliver Endriss spotted, that resetting read and write pointers on flush() requires additional locking and breaks the av7110 driver. Therefore this patch partially reverts the previous patch titled "make dvb_ringbuffer compatible to dmxdev_buffer". Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c index f23324835..c972fe014 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c @@ -87,7 +87,7 @@ ssize_t dvb_ringbuffer_avail(struct dvb_ringbuffer *rbuf) void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf) { - rbuf->pread = rbuf->pwrite = 0; + rbuf->pread = rbuf->pwrite; rbuf->error = 0; } -- cgit v1.2.3 From 93d4ff1bf42268c291a14a04c34d700189f42a27 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Mar 2006 17:31:01 -0300 Subject: Dmxdev: use dvb_ringbuffer From: Andreas Oberritter Use dvb_ringbuffer instead of an own buffer implementation in dmxdev.[ch]. Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dmxdev.c | 156 +++++++++++------------------- linux/drivers/media/dvb/dvb-core/dmxdev.h | 14 +-- 2 files changed, 62 insertions(+), 108 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.c b/linux/drivers/media/dvb/dvb-core/dmxdev.c index f6932d6c6..09e96e9dd 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.c +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.c @@ -40,110 +40,72 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); #define dprintk if (debug) printk -static inline void dvb_dmxdev_buffer_init(struct dmxdev_buffer *buffer) +static int dvb_dmxdev_buffer_write(struct dvb_ringbuffer *buf, + const u8 *src, size_t len) { - buffer->data = NULL; - buffer->size = 8192; - buffer->pread = 0; - buffer->pwrite = 0; - buffer->error = 0; - init_waitqueue_head(&buffer->queue); -} - -static inline int dvb_dmxdev_buffer_write(struct dmxdev_buffer *buf, - const u8 *src, int len) -{ - int split; - int free; - int todo; + ssize_t free; if (!len) return 0; if (!buf->data) return 0; - free = buf->pread - buf->pwrite; - split = 0; - if (free <= 0) { - free += buf->size; - split = buf->size - buf->pwrite; - } - if (len >= free) { + free = dvb_ringbuffer_free(buf); + if (len > free) { dprintk("dmxdev: buffer overflow\n"); - return -1; - } - if (split >= len) - split = 0; - todo = len; - if (split) { - memcpy(buf->data + buf->pwrite, src, split); - todo -= split; - buf->pwrite = 0; + return -EOVERFLOW; } - memcpy(buf->data + buf->pwrite, src + split, todo); - buf->pwrite = (buf->pwrite + todo) % buf->size; - return len; + + return dvb_ringbuffer_write(buf, src, len); } -static ssize_t dvb_dmxdev_buffer_read(struct dmxdev_buffer *src, +static ssize_t dvb_dmxdev_buffer_read(struct dvb_ringbuffer *src, int non_blocking, char __user *buf, size_t count, loff_t *ppos) { - unsigned long todo = count; - int split, avail, error; + size_t todo; + ssize_t avail; + ssize_t ret = 0; if (!src->data) return 0; - if ((error = src->error)) { - src->pwrite = src->pread; - src->error = 0; - return error; + if (src->error) { + ret = src->error; + dvb_ringbuffer_flush(src); + return ret; } - if (non_blocking && (src->pwrite == src->pread)) - return -EWOULDBLOCK; - - while (todo > 0) { - if (non_blocking && (src->pwrite == src->pread)) - return (count - todo) ? (count - todo) : -EWOULDBLOCK; + for (todo = count; todo > 0; todo -= ret) { + if (non_blocking && dvb_ringbuffer_empty(src)) { + ret = -EWOULDBLOCK; + break; + } - if (wait_event_interruptible(src->queue, - (src->pread != src->pwrite) || - (src->error)) < 0) - return count - todo; + ret = wait_event_interruptible(src->queue, + !dvb_ringbuffer_empty(src) || + (src->error != 0)); + if (ret < 0) + break; - if ((error = src->error)) { - src->pwrite = src->pread; - src->error = 0; - return error; + if (src->error) { + ret = src->error; + dvb_ringbuffer_flush(src); + break; } - split = src->size; - avail = src->pwrite - src->pread; - if (avail < 0) { - avail += src->size; - split = src->size - src->pread; - } + avail = dvb_ringbuffer_avail(src); if (avail > todo) avail = todo; - if (split < avail) { - if (copy_to_user(buf, src->data + src->pread, split)) - return -EFAULT; - buf += split; - src->pread = 0; - todo -= split; - avail -= split; - } - if (avail) { - if (copy_to_user(buf, src->data + src->pread, avail)) - return -EFAULT; - src->pread = (src->pread + avail) % src->size; - todo -= avail; - buf += avail; - } + + ret = dvb_ringbuffer_read(src, buf, avail, 1); + if (ret < 0) + break; + + buf += ret; } - return count; + + return (count - todo) ? (count - todo) : ret; } static struct dmx_frontend *get_fe(struct dmx_demux *demux, int type) @@ -179,13 +141,12 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) } if ((file->f_flags & O_ACCMODE) == O_RDONLY) { - dvb_dmxdev_buffer_init(&dmxdev->dvr_buffer); - dmxdev->dvr_buffer.size = DVR_BUFFER_SIZE; - dmxdev->dvr_buffer.data = vmalloc(DVR_BUFFER_SIZE); - if (!dmxdev->dvr_buffer.data) { + void *mem = vmalloc(DVR_BUFFER_SIZE); + if (!mem) { mutex_unlock(&dmxdev->mutex); return -ENOMEM; } + dvb_ringbuffer_init(&dmxdev->dvr_buffer, mem, DVR_BUFFER_SIZE); } if ((file->f_flags & O_ACCMODE) == O_WRONLY) { @@ -280,7 +241,7 @@ static inline void dvb_dmxdev_filter_state_set(struct dmxdev_filter static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter, unsigned long size) { - struct dmxdev_buffer *buf = &dmxdevfilter->buffer; + struct dvb_ringbuffer *buf = &dmxdevfilter->buffer; void *mem; if (buf->size == size) @@ -291,7 +252,7 @@ static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter, mem = buf->data; buf->data = NULL; buf->size = size; - buf->pwrite = buf->pread = 0; + dvb_ringbuffer_flush(buf); spin_unlock_irq(&dmxdevfilter->dev->lock); vfree(mem); @@ -359,8 +320,8 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, buffer2_len); } if (ret < 0) { - dmxdevfilter->buffer.pwrite = dmxdevfilter->buffer.pread; - dmxdevfilter->buffer.error = -EOVERFLOW; + dvb_ringbuffer_flush(&dmxdevfilter->buffer); + dmxdevfilter->buffer.error = ret; } if (dmxdevfilter->params.sec.flags & DMX_ONESHOT) dmxdevfilter->state = DMXDEV_STATE_DONE; @@ -375,7 +336,7 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, enum dmx_success success) { struct dmxdev_filter *dmxdevfilter = feed->priv; - struct dmxdev_buffer *buffer; + struct dvb_ringbuffer *buffer; int ret; spin_lock(&dmxdevfilter->dev->lock); @@ -397,8 +358,8 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, if (ret == buffer1_len) ret = dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len); if (ret < 0) { - buffer->pwrite = buffer->pread; - buffer->error = -EOVERFLOW; + dvb_ringbuffer_flush(buffer); + buffer->error = ret; } spin_unlock(&dmxdevfilter->dev->lock); wake_up(&buffer->queue); @@ -494,7 +455,8 @@ static int dvb_dmxdev_filter_stop(struct dmxdev_filter *dmxdevfilter) return 0; return -EINVAL; } - dmxdevfilter->buffer.pwrite = dmxdevfilter->buffer.pread = 0; + + dvb_ringbuffer_flush(&dmxdevfilter->buffer); return 0; } @@ -520,16 +482,16 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter) if (filter->state >= DMXDEV_STATE_GO) dvb_dmxdev_filter_stop(filter); - if (!(mem = filter->buffer.data)) { + if (!filter->buffer.data) { mem = vmalloc(filter->buffer.size); + if (!mem) + return -ENOMEM; spin_lock_irq(&filter->dev->lock); filter->buffer.data = mem; spin_unlock_irq(&filter->dev->lock); - if (!filter->buffer.data) - return -ENOMEM; } - filter->buffer.pwrite = filter->buffer.pread = 0; + dvb_ringbuffer_flush(&filter->buffer); switch (filter->type) { case DMXDEV_TYPE_SEC: @@ -692,7 +654,7 @@ static int dvb_demux_open(struct inode *inode, struct file *file) mutex_init(&dmxdevfilter->mutex); file->private_data = dmxdevfilter; - dvb_dmxdev_buffer_init(&dmxdevfilter->buffer); + dvb_ringbuffer_init(&dmxdevfilter->buffer, NULL, 8192); dmxdevfilter->type = DMXDEV_TYPE_NONE; dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED); dmxdevfilter->feed.ts = NULL; @@ -973,7 +935,7 @@ static unsigned int dvb_demux_poll(struct file *file, poll_table *wait) if (dmxdevfilter->buffer.error) mask |= (POLLIN | POLLRDNORM | POLLPRI | POLLERR); - if (dmxdevfilter->buffer.pread != dmxdevfilter->buffer.pwrite) + if (!dvb_ringbuffer_empty(&dmxdevfilter->buffer)) mask |= (POLLIN | POLLRDNORM | POLLPRI); return mask; @@ -1047,7 +1009,7 @@ static unsigned int dvb_dvr_poll(struct file *file, poll_table *wait) if (dmxdev->dvr_buffer.error) mask |= (POLLIN | POLLRDNORM | POLLPRI | POLLERR); - if (dmxdev->dvr_buffer.pread != dmxdev->dvr_buffer.pwrite) + if (!dvb_ringbuffer_empty(&dmxdev->dvr_buffer)) mask |= (POLLIN | POLLRDNORM | POLLPRI); } else mask |= (POLLOUT | POLLWRNORM | POLLPRI); @@ -1097,7 +1059,7 @@ int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter) dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr, dmxdev, DVB_DEVICE_DVR); - dvb_dmxdev_buffer_init(&dmxdev->dvr_buffer); + dvb_ringbuffer_init(&dmxdev->dvr_buffer, NULL, 8192); return 0; } diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.h b/linux/drivers/media/dvb/dvb-core/dmxdev.h index 73da838f8..080abd9a9 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.h +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.h @@ -39,6 +39,7 @@ #include "dvbdev.h" #include "demux.h" +#include "dvb_ringbuffer.h" enum dmxdev_type { DMXDEV_TYPE_NONE, @@ -55,15 +56,6 @@ enum dmxdev_state { DMXDEV_STATE_TIMEDOUT }; -struct dmxdev_buffer { - u8 *data; - int size; - int pread; - int pwrite; - wait_queue_head_t queue; - int error; -}; - struct dmxdev_filter { union { struct dmx_section_filter *sec; @@ -82,7 +74,7 @@ struct dmxdev_filter { enum dmxdev_type type; enum dmxdev_state state; struct dmxdev *dev; - struct dmxdev_buffer buffer; + struct dvb_ringbuffer buffer; #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) struct mutex mutex; @@ -109,7 +101,7 @@ struct dmxdev { #define DMXDEV_CAP_DUPLEX 1 struct dmx_frontend *dvr_orig_fe; - struct dmxdev_buffer dvr_buffer; + struct dvb_ringbuffer dvr_buffer; #define DVR_BUFFER_SIZE (10*188*1024) #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) -- cgit v1.2.3