/*
 * 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);
}
-next.git/tree/drivers/usb/gadget/function/f_uac2.c?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/function/f_uac2.c?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/function/f_uac2.c?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/gadget/function/f_uac2.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>gadget</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/function?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>function</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/function/f_uac2.c?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>f_uac2.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='24d615a694d649aa2e167c3f97f62bdad07e3f84'/><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>Aleksander Morgado &lt;aleksander@aleksander.es&gt;</td><td class='right'>2017-01-18 21:31:31 +0100</td></tr>
<tr><th>committer</th><td>Johan Hovold &lt;johan@kernel.org&gt;</td><td class='right'>2017-01-19 09:08:37 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/function/f_uac2.c?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>24d615a694d649aa2e167c3f97f62bdad07e3f84</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/gadget/function/f_uac2.c?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>2fe33c115bdec6bf4b01e27afd90bb16fa668e22</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/gadget/function/f_uac2.c?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>drivers/usb/gadget/function/f_uac2.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/function/f_uac2.c?id=49def1853334396f948dcb4cedb9347abb318df5'>49def1853334396f948dcb4cedb9347abb318df5</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/function/f_uac2.c?id=24d615a694d649aa2e167c3f97f62bdad07e3f84&amp;id2=49def1853334396f948dcb4cedb9347abb318df5'>diff</a>)</td></tr></table>
<div class='commit-subject'>USB: serial: qcserial: add Dell DW5570 QDL</div><div class='commit-msg'>The Dell DW5570 is a re-branded Sierra Wireless MC8805 which will by
default boot with vid 0x413c and pid 0x81a3. When triggered QDL download
mode, the device switches to pid 0x81a6 and provides the standard TTY
used for firmware upgrade.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Aleksander Morgado &lt;aleksander@aleksander.es&gt;
Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>Diffstat</a> (limited to 'drivers/usb/gadget/function/f_uac2.c')</div><table summary='diffstat' class='diffstat'>