/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Copyright Tomi Manninen OH2BNS (oh2bns@sral.fi)
 */
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/socket.h>
#include <linux/timer.h>
#include <net/ax25.h>
#include <linux/skbuff.h>
#include <net/netrom.h>
#include <linux/init.h>

static void nr_loopback_timer(unsigned long);

static struct sk_buff_head loopback_queue;
static DEFINE_TIMER(loopback_timer, nr_loopback_timer, 0, 0);

void __init nr_loopback_init(void)
{
	skb_queue_head_init(&loopback_queue);
}

static inline int nr_loopback_running(void)
{
	return timer_pending(&loopback_timer);
}

int nr_loopback_queue(struct sk_buff *skb)
{
	struct sk_buff *skbn;

	if ((skbn = alloc_skb(skb->len, GFP_ATOMIC)) != NULL) {
		skb_copy_from_linear_data(skb, skb_put(skbn, skb->len), skb->len);
		skb_reset_transport_header(skbn);

		skb_queue_tail(&loopback_queue, skbn);

		if (!nr_loopback_running())
			mod_timer(&loopback_timer, jiffies + 10);
	}

	kfree_skb(skb);
	return 1;
}

static void nr_loopback_timer(unsigned long param)
{
	struct sk_buff *skb;
	ax25_address *nr_dest;
	struct net_device *dev;

	if ((skb = skb_dequeue(&loopback_queue)) != NULL) {
		nr_dest = (ax25_address *)(skb->data + 7);

		dev = nr_dev_get(nr_dest);

		if (dev == NULL || nr_rx_frame(skb, dev) == 0)
			kfree_skb(skb);

		if (dev != NULL)
			dev_put(dev);

		if (!skb_queue_empty(&loopback_queue) && !nr_loopback_running())
			mod_timer(&loopback_timer, jiffies + 10);
	}
}

void __exit nr_loopback_clear(void)
{
	del_timer_sync(&loopback_timer);
	skb_queue_purge(&loopback_queue);
}
e2eb7fe'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/dwc3/gadget.c?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/dwc3/gadget.c'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/dwc3?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>dwc3</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>gadget.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-04 10:44:15 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-04 10:44:15 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>412e6d3fec247b2bc83106514b0fb3b17e2eb7fe</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/dwc3/gadget.c?id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>cbd241740a61d7ff60742d6f94d1564e796fb405</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>drivers/usb/dwc3/gadget.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=252bf9f4c43fd58f96587a97866cb7cc980e7544'>252bf9f4c43fd58f96587a97866cb7cc980e7544</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe&amp;id2=252bf9f4c43fd58f96587a97866cb7cc980e7544'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>433e19cf33d34bb6751c874a9c00980552fe508c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/dwc3/gadget.c?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe&amp;id2=433e19cf33d34bb6751c874a9c00980552fe508c'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'char-misc-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc</div><div class='commit-msg'>Pull char/misc driver fixes from Greg KH:
 "Here are two bugfixes that resolve some reported issues. One in the
  firmware loader, that should fix the much-reported problem of crashes
  with it. The other is a hyperv fix for a reported regression.

  Both have been in linux-next for a week or so with no reported issues"

* tag 'char-misc-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()
  firmware: fix NULL pointer dereference in __fw_load_abort()
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=412e6d3fec247b2bc83106514b0fb3b17e2eb7fe'>Diffstat</a> (limited to 'drivers/usb/dwc3/gadget.c')</div><table summary='diffstat' class='diffstat'>