drivers/net: Trim trailing whitespace
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
@@ -8,12 +8,12 @@
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Neither Alan Cox nor CymruNet Ltd. admit liability nor provide
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* warranty for any of this software. This material is provided
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* "AS-IS" and at no charge.
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*
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*
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* Neither Alan Cox nor CymruNet Ltd. admit liability nor provide
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* warranty for any of this software. This material is provided
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* "AS-IS" and at no charge.
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*
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*
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* Algorithm:
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*
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* Queue Frame:
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@@ -26,7 +26,7 @@
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*
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* SHAPER_QLEN Maximum queued frames
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* SHAPER_LATENCY Bounding latency on a frame. Leaving this latency
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* window drops the frame. This stops us queueing
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* window drops the frame. This stops us queueing
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* frames for a long time and confusing a remote
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* host.
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* SHAPER_MAXSLIP Maximum time a priority frame may jump forward.
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@@ -42,8 +42,8 @@
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* run off a 100-150Hz base clock typically. This gives us a resolution at
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* 200Kbit/second of about 2Kbit or 256 bytes. Above that our timer
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* resolution may start to cause much more burstiness in the traffic. We
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* could avoid a lot of that by calling kick_shaper() at the end of the
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* tied device transmissions. If you run above about 100K second you
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* could avoid a lot of that by calling kick_shaper() at the end of the
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* tied device transmissions. If you run above about 100K second you
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* may need to tune the supposed speed rate for the right values.
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*
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* BUGS:
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@@ -68,7 +68,7 @@
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* Use skb->cb for private data.
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* 2000/03 Andi Kleen
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/fcntl.h>
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@@ -87,13 +87,13 @@
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#include <net/dst.h>
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#include <net/arp.h>
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struct shaper_cb {
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struct shaper_cb {
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unsigned long shapeclock; /* Time it should go out */
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unsigned long shapestamp; /* Stamp for shaper */
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__u32 shapelatency; /* Latency on frame */
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__u32 shapelen; /* Frame length in clocks */
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__u16 shapepend; /* Pending */
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};
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};
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#define SHAPERCB(skb) ((struct shaper_cb *) ((skb)->cb))
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static int sh_debug; /* Debug flag */
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@@ -105,7 +105,7 @@ static void shaper_kick(struct shaper *sh);
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/*
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* Compute clocks on a buffer
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*/
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static int shaper_clocks(struct shaper *shaper, struct sk_buff *skb)
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{
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int t=skb->len/shaper->bytespertick;
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@@ -115,9 +115,9 @@ static int shaper_clocks(struct shaper *shaper, struct sk_buff *skb)
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/*
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* Set the speed of a shaper. We compute this in bytes per tick since
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* thats how the machine wants to run. Quoted input is in bits per second
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* as is traditional (note not BAUD). We assume 8 bit bytes.
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* as is traditional (note not BAUD). We assume 8 bit bytes.
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*/
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static void shaper_setspeed(struct shaper *shaper, int bitspersec)
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{
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shaper->bitspersec=bitspersec;
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@@ -129,40 +129,40 @@ static void shaper_setspeed(struct shaper *shaper, int bitspersec)
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/*
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* Throw a frame at a shaper.
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*/
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static int shaper_start_xmit(struct sk_buff *skb, struct net_device *dev)
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{
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struct shaper *shaper = dev->priv;
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struct sk_buff *ptr;
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spin_lock(&shaper->lock);
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ptr=shaper->sendq.prev;
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/*
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* Set up our packet details
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*/
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SHAPERCB(skb)->shapelatency=0;
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SHAPERCB(skb)->shapeclock=shaper->recovery;
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if(time_before(SHAPERCB(skb)->shapeclock, jiffies))
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SHAPERCB(skb)->shapeclock=jiffies;
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skb->priority=0; /* short term bug fix */
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SHAPERCB(skb)->shapestamp=jiffies;
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/*
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* Time slots for this packet.
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*/
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SHAPERCB(skb)->shapelen= shaper_clocks(shaper,skb);
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{
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struct sk_buff *tmp;
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/*
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* Up our shape clock by the time pending on the queue
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* (Should keep this in the shaper as a variable..)
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*/
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for(tmp=skb_peek(&shaper->sendq); tmp!=NULL &&
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for(tmp=skb_peek(&shaper->sendq); tmp!=NULL &&
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tmp!=(struct sk_buff *)&shaper->sendq; tmp=tmp->next)
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SHAPERCB(skb)->shapeclock+=SHAPERCB(tmp)->shapelen;
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/*
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@@ -191,7 +191,7 @@ static int shaper_start_xmit(struct sk_buff *skb, struct net_device *dev)
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/*
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* Transmit from a shaper
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*/
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static void shaper_queue_xmit(struct shaper *shaper, struct sk_buff *skb)
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{
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struct sk_buff *newskb=skb_clone(skb, GFP_ATOMIC);
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@@ -218,7 +218,7 @@ static void shaper_queue_xmit(struct shaper *shaper, struct sk_buff *skb)
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/*
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* Timer handler for shaping clock
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*/
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static void shaper_timer(unsigned long data)
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{
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struct shaper *shaper = (struct shaper *)data;
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@@ -229,25 +229,25 @@ static void shaper_timer(unsigned long data)
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}
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/*
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* Kick a shaper queue and try and do something sensible with the
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* queue.
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* Kick a shaper queue and try and do something sensible with the
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* queue.
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*/
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static void shaper_kick(struct shaper *shaper)
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{
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struct sk_buff *skb;
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/*
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* Walk the list (may be empty)
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*/
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while((skb=skb_peek(&shaper->sendq))!=NULL)
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{
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/*
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* Each packet due to go out by now (within an error
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* of SHAPER_BURST) gets kicked onto the link
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* of SHAPER_BURST) gets kicked onto the link
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*/
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if(sh_debug)
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printk("Clock = %ld, jiffies = %ld\n", SHAPERCB(skb)->shapeclock, jiffies);
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if(time_before_eq(SHAPERCB(skb)->shapeclock, jiffies + SHAPER_BURST))
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@@ -255,16 +255,16 @@ static void shaper_kick(struct shaper *shaper)
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/*
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* Pull the frame and get interrupts back on.
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*/
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skb_unlink(skb, &shaper->sendq);
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if (shaper->recovery <
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if (shaper->recovery <
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SHAPERCB(skb)->shapeclock + SHAPERCB(skb)->shapelen)
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shaper->recovery = SHAPERCB(skb)->shapeclock + SHAPERCB(skb)->shapelen;
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/*
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* Pass on to the physical target device via
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* our low level packet thrower.
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*/
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SHAPERCB(skb)->shapepend=0;
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shaper_queue_xmit(shaper, skb); /* Fire */
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}
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@@ -275,27 +275,27 @@ static void shaper_kick(struct shaper *shaper)
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/*
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* Next kick.
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*/
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if(skb!=NULL)
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mod_timer(&shaper->timer, SHAPERCB(skb)->shapeclock);
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}
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/*
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* Bring the interface up. We just disallow this until a
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* Bring the interface up. We just disallow this until a
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* bind.
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*/
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static int shaper_open(struct net_device *dev)
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{
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struct shaper *shaper=dev->priv;
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/*
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* Can't open until attached.
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* Also can't open until speed is set, or we'll get
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* a division by zero.
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*/
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if(shaper->dev==NULL)
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return -ENODEV;
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if(shaper->bitspersec==0)
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@@ -306,7 +306,7 @@ static int shaper_open(struct net_device *dev)
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/*
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* Closing a shaper flushes the queues.
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*/
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static int shaper_close(struct net_device *dev)
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{
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struct shaper *shaper=dev->priv;
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@@ -335,7 +335,7 @@ static struct net_device_stats *shaper_get_stats(struct net_device *dev)
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return &sh->stats;
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}
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static int shaper_header(struct sk_buff *skb, struct net_device *dev,
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static int shaper_header(struct sk_buff *skb, struct net_device *dev,
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unsigned short type, void *daddr, void *saddr, unsigned len)
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{
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struct shaper *sh=dev->priv;
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@@ -395,7 +395,7 @@ static int shaper_neigh_setup(struct neighbour *n)
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n->ops = &arp_broken_ops;
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n->output = n->ops->output;
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}
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#endif
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#endif
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return 0;
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}
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@@ -407,7 +407,7 @@ static int shaper_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p)
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p->ucast_probes = 0;
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p->mcast_probes = 0;
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}
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#endif
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#endif
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return 0;
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}
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@@ -432,7 +432,7 @@ static int shaper_attach(struct net_device *shdev, struct shaper *sh, struct net
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}
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else
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shdev->hard_header = NULL;
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if(dev->rebuild_header)
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{
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sh->rebuild_header = dev->rebuild_header;
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@@ -440,7 +440,7 @@ static int shaper_attach(struct net_device *shdev, struct shaper *sh, struct net
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}
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else
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shdev->rebuild_header = NULL;
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#if 0
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if(dev->hard_header_cache)
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{
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@@ -451,7 +451,7 @@ static int shaper_attach(struct net_device *shdev, struct shaper *sh, struct net
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{
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shdev->hard_header_cache= NULL;
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}
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if(dev->header_cache_update)
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{
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sh->header_cache_update = dev->header_cache_update;
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@@ -464,7 +464,7 @@ static int shaper_attach(struct net_device *shdev, struct shaper *sh, struct net
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shdev->hard_header_cache = NULL;
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#endif
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shdev->neigh_setup = shaper_neigh_setup_dev;
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shdev->hard_header_len=dev->hard_header_len;
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shdev->type=dev->type;
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shdev->addr_len=dev->addr_len;
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@@ -477,13 +477,13 @@ static int shaper_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
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{
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struct shaperconf *ss= (struct shaperconf *)&ifr->ifr_ifru;
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struct shaper *sh=dev->priv;
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if(ss->ss_cmd == SHAPER_SET_DEV || ss->ss_cmd == SHAPER_SET_SPEED)
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{
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if(!capable(CAP_NET_ADMIN))
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return -EPERM;
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}
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switch(ss->ss_cmd)
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{
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case SHAPER_SET_DEV:
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@@ -525,7 +525,7 @@ static void shaper_init_priv(struct net_device *dev)
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/*
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* Add a shaper device to the system
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*/
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static void __init shaper_setup(struct net_device *dev)
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{
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/*
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@@ -541,11 +541,11 @@ static void __init shaper_setup(struct net_device *dev)
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dev->hard_start_xmit = shaper_start_xmit;
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dev->get_stats = shaper_get_stats;
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dev->set_multicast_list = NULL;
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/*
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* Intialise the packet queues
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*/
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/*
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* Handlers for when we attach to a device.
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*/
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@@ -566,7 +566,7 @@ static void __init shaper_setup(struct net_device *dev)
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dev->tx_queue_len = 10;
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dev->flags = 0;
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}
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static int shapers = 1;
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#ifdef MODULE
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@@ -610,7 +610,7 @@ static int __init shaper_init(void)
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snprintf(name, IFNAMSIZ, "shaper%d", i);
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dev = alloc_netdev(sizeof(struct shaper), name,
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shaper_setup);
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if (!dev)
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if (!dev)
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break;
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if (register_netdev(dev)) {
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