#include <linux/in.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/slab.h>

#include <net/datalink.h>

static int pEII_request(struct datalink_proto *dl,
			struct sk_buff *skb, unsigned char *dest_node)
{
	struct net_device *dev = skb->dev;

	skb->protocol = htons(ETH_P_IPX);
	dev_hard_header(skb, dev, ETH_P_IPX, dest_node, NULL, skb->len);
	return dev_queue_xmit(skb);
}

struct datalink_proto *make_EII_client(void)
{
	struct datalink_proto *proto = kmalloc(sizeof(*proto), GFP_ATOMIC);

	if (proto) {
		proto->header_length = 0;
		proto->request = pEII_request;
	}

	return proto;
}

void destroy_EII_client(struct datalink_proto *dl)
{
	kfree(dl);
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=f5a0aab84b74de68523599817569c057c7ac1622'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=f5a0aab84b74de68523599817569c057c7ac1622'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net?id=f5a0aab84b74de68523599817569c057c7ac1622'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net/netns?id=f5a0aab84b74de68523599817569c057c7ac1622'>netns</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net/netns/conntrack.h?id=f5a0aab84b74de68523599817569c057c7ac1622'>conntrack.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='f5a0aab84b74de68523599817569c057c7ac1622'/><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>David Ahern &lt;dsa@cumulusnetworks.com&gt;</td><td class='right'>2016-12-29 15:29:03 -0800</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2016-12-29 22:27:23 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/netns/conntrack.h?id=f5a0aab84b74de68523599817569c057c7ac1622'>f5a0aab84b74de68523599817569c057c7ac1622</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/net/netns/conntrack.h?id=f5a0aab84b74de68523599817569c057c7ac1622'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=f5a0aab84b74de68523599817569c057c7ac1622'>321a7119a443d99853b4d3e747db583ad3a39912</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/net/netns/conntrack.h?id=f5a0aab84b74de68523599817569c057c7ac1622'>include/net/netns/conntrack.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/netns/conntrack.h?id=2344ef3c86a7fe41f97bf66c7936001b6132860b'>2344ef3c86a7fe41f97bf66c7936001b6132860b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/net/netns/conntrack.h?id=f5a0aab84b74de68523599817569c057c7ac1622&amp;id2=2344ef3c86a7fe41f97bf66c7936001b6132860b'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: ipv4: dst for local input routes should use l3mdev if relevant</div><div class='commit-msg'>IPv4 output routes already use l3mdev device instead of loopback for dst's
if it is applicable. Change local input routes to do the same.

This fixes icmp responses for unreachable UDP ports which are directed
to the wrong table after commit 9d1a6c4ea43e4 because local_input
routes use the loopback device. Moving from ingress device to loopback
loses the L3 domain causing responses based on the dst to get to lost.

Fixes: 9d1a6c4ea43e4 ("net: icmp_route_lookup should use rt dev to
		       determine L3 domain")
Signed-off-by: David Ahern &lt;dsa@cumulusnetworks.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=f5a0aab84b74de68523599817569c057c7ac1622'>Diffstat</a> (limited to 'include/net/netns/conntrack.h')</div><table summary='diffstat' class='diffstat'>