#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include <linux/skbuff.h>
#include <net/switchdev.h>

#include "br_private.h"

static int br_switchdev_mark_get(struct net_bridge *br, struct net_device *dev)
{
	struct net_bridge_port *p;

	/* dev is yet to be added to the port list. */
	list_for_each_entry(p, &br->port_list, list) {
		if (switchdev_port_same_parent_id(dev, p->dev))
			return p->offload_fwd_mark;
	}

	return ++br->offload_fwd_mark;
}

int nbp_switchdev_mark_set(struct net_bridge_port *p)
{
	struct switchdev_attr attr = {
		.orig_dev = p->dev,
		.id = SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
	};
	int err;

	ASSERT_RTNL();

	err = switchdev_port_attr_get(p->dev, &attr);
	if (err) {
		if (err == -EOPNOTSUPP)
			return 0;
		return err;
	}

	p->offload_fwd_mark = br_switchdev_mark_get(p->br, p->dev);

	return 0;
}

void nbp_switchdev_frame_mark(const struct net_bridge_port *p,
			      struct sk_buff *skb)
{
	if (skb->offload_fwd_mark && !WARN_ON_ONCE(!p->offload_fwd_mark))
		BR_INPUT_SKB_CB(skb)->offload_fwd_mark = p->offload_fwd_mark;
}

bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p,
				  const struct sk_buff *skb)
{
	return !skb->offload_fwd_mark ||
	       BR_INPUT_SKB_CB(skb)->offload_fwd_mark != p->offload_fwd_mark;
}
n value='packet-rx-pump-back'>packet-rx-pump-back</option>
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>events</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/btrfs.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>btrfs.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'/><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'>2017-01-15 12:38:53 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-15 12:38:53 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/btrfs.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>2d5a7101a140adcf7a5d8677649847fbb2dd5a2f</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/trace/events/btrfs.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>02e3532964dd4c42aa6ea2187fee67e6dfee36dd</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/btrfs.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>include/trace/events/btrfs.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/btrfs.h?id=7f138b9706f5f3528d598aefd35337d54a8c1afb'>7f138b9706f5f3528d598aefd35337d54a8c1afb</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/btrfs.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f&amp;id2=7f138b9706f5f3528d598aefd35337d54a8c1afb'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/btrfs.h?id=c7334ce814f7e5d8fc1f9b3126cda0640c2f81b3'>c7334ce814f7e5d8fc1f9b3126cda0640c2f81b3</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/btrfs.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f&amp;id2=c7334ce814f7e5d8fc1f9b3126cda0640c2f81b3'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'driver-core-4.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core</div><div class='commit-msg'>Pull driver core fix from Greg KH:
 "Here is a single patch being reverted to remove a feature that was
  added in 4.10-rc1 that isn't quite ready for release.

  It will be redone as a debugfs file instead of a sysfs file in the
  future"

* tag 'driver-core-4.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Revert "driver core: Add deferred_probe attribute to devices in sysfs"
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>Diffstat</a> (limited to 'include/trace/events/btrfs.h')</div><table summary='diffstat' class='diffstat'>