[mirror_ubuntu-artful-kernel.git] / net / 8021q / vlanproc.c

/******************************************************************************
 * vlanproc.c	VLAN Module. /proc filesystem interface.
 *
 *		This module is completely hardware-independent and provides
 *		access to the router using Linux /proc filesystem.
 *
 * Author:	Ben Greear, <greearb@candelatech.com> coppied from wanproc.c
 *               by: Gene Kozin	<genek@compuserve.com>
 *
 * Copyright:	(c) 1998 Ben Greear
 *
 *		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.
 * ============================================================================
 * Jan 20, 1998        Ben Greear     Initial Version
 *****************************************************************************/

#include <linux/module.h>
#include <linux/stddef.h>	/* offsetof(), etc. */
#include <linux/errno.h>	/* return codes */
#include <linux/kernel.h>
#include <linux/slab.h>		/* kmalloc(), kfree() */
#include <linux/mm.h>
#include <linux/string.h>	/* inline mem*, str* functions */
#include <linux/init.h>		/* __initfunc et al. */
#include <asm/byteorder.h>	/* htons(), etc. */
#include <asm/uaccess.h>	/* copy_to_user */
#include <asm/io.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/fs.h>
#include <linux/netdevice.h>
#include <linux/if_vlan.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include "vlanproc.h"
#include "vlan.h"

/****** Function Prototypes *************************************************/

/* Methods for preparing data for reading proc entries */
static int vlan_seq_show(struct seq_file *seq, void *v);
static void *vlan_seq_start(struct seq_file *seq, loff_t *pos);
static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos);
static void vlan_seq_stop(struct seq_file *seq, void *);
static int vlandev_seq_show(struct seq_file *seq, void *v);

/*
 *	Global Data
 */


/*
 *	Names of the proc directory entries
 */

static const char name_root[]	 = "vlan";
static const char name_conf[]	 = "config";

/*
 *	Structures for interfacing with the /proc filesystem.
 *	VLAN creates its own directory /proc/net/vlan with the folowing
 *	entries:
 *	config		device status/configuration
 *	<device>	entry for each  device
 */

/*
 *	Generic /proc/net/vlan/<file> file and inode operations
 */

static const struct seq_operations vlan_seq_ops = {
	.start = vlan_seq_start,
	.next = vlan_seq_next,
	.stop = vlan_seq_stop,
	.show = vlan_seq_show,
};

static int vlan_seq_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &vlan_seq_ops);
}

static const struct file_operations vlan_fops = {
	.owner	 = THIS_MODULE,
	.open    = vlan_seq_open,
	.read    = seq_read,
	.llseek  = seq_lseek,
	.release = seq_release,
};

/*
 *	/proc/net/vlan/<device> file and inode operations
 */

static int vlandev_seq_open(struct inode *inode, struct file *file)
{
	return single_open(file, vlandev_seq_show, PDE(inode)->data);
}

static const struct file_operations vlandev_fops = {
	.owner = THIS_MODULE,
	.open    = vlandev_seq_open,
	.read    = seq_read,
	.llseek  = seq_lseek,
	.release = single_release,
};

/*
 * Proc filesystem derectory entries.
 */

/* Strings */
static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
    [VLAN_NAME_TYPE_RAW_PLUS_VID]        = "VLAN_NAME_TYPE_RAW_PLUS_VID",
    [VLAN_NAME_TYPE_PLUS_VID_NO_PAD]	 = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD",
    [VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD",
    [VLAN_NAME_TYPE_PLUS_VID]		 = "VLAN_NAME_TYPE_PLUS_VID",
};
/*
 *	Interface functions
 */

/*
 *	Clean up /proc/net/vlan entries
 */

void vlan_proc_cleanup(struct net *net)
{
	struct vlan_net *vn = net_generic(net, vlan_net_id);

	if (vn->proc_vlan_conf)
		remove_proc_entry(name_conf, vn->proc_vlan_dir);

	if (vn->proc_vlan_dir)
		proc_net_remove(net, name_root);

	/* Dynamically added entries should be cleaned up as their vlan_device
	 * is removed, so we should not have to take care of it here...
	 */
}

/*
 *	Create /proc/net/vlan entries
 */

int vlan_proc_init(struct net *net)
{
	struct vlan_net *vn = net_generic(net, vlan_net_id);

	vn->proc_vlan_dir = proc_net_mkdir(net, name_root, net->proc_net);
	if (!vn->proc_vlan_dir)
		goto err;

	vn->proc_vlan_conf = proc_create(name_conf, S_IFREG|S_IRUSR|S_IWUSR,
				     vn->proc_vlan_dir, &vlan_fops);
	if (!vn->proc_vlan_conf)
		goto err;
	return 0;

err:
	pr_err("%s: can't create entry in proc filesystem!\n", __func__);
	vlan_proc_cleanup(net);
	return -ENOBUFS;
}

/*
 *	Add directory entry for VLAN device.
 */

int vlan_proc_add_dev(struct net_device *vlandev)
{
	struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
	struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id);

	dev_info->dent = proc_create(vlandev->name, S_IFREG|S_IRUSR|S_IWUSR,
				     vn->proc_vlan_dir, &vlandev_fops);
	if (!dev_info->dent)
		return -ENOBUFS;

	dev_info->dent->data = vlandev;
	return 0;
}

/*
 *	Delete directory entry for VLAN device.
 */
int vlan_proc_rem_dev(struct net_device *vlandev)
{
	struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id);

	/** NOTE:  This will consume the memory pointed to by dent, it seems. */
	if (vlan_dev_info(vlandev)->dent) {
		remove_proc_entry(vlan_dev_info(vlandev)->dent->name,
				  vn->proc_vlan_dir);
		vlan_dev_info(vlandev)->dent = NULL;
	}
	return 0;
}

/****** Proc filesystem entry points ****************************************/

/*
 * The following few functions build the content of /proc/net/vlan/config
 */

/* start read of /proc/net/vlan/config */
static void *vlan_seq_start(struct seq_file *seq, loff_t *pos)
	__acquires(dev_base_lock)
{
	struct net_device *dev;
	loff_t i = 1;

	read_lock(&dev_base_lock);

	if (*pos == 0)
		return SEQ_START_TOKEN;

	for_each_netdev(&init_net, dev) {
		if (!is_vlan_dev(dev))
			continue;

		if (i++ == *pos)
			return dev;
	}

	return  NULL;
}

static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
	struct net_device *dev;

	++*pos;

	dev = (struct net_device *)v;
	if (v == SEQ_START_TOKEN)
		dev = net_device_entry(&init_net.dev_base_head);

	for_each_netdev_continue(&init_net, dev) {
		if (!is_vlan_dev(dev))
			continue;

		return dev;
	}

	return NULL;
}

static void vlan_seq_stop(struct seq_file *seq, void *v)
	__releases(dev_base_lock)
{
	read_unlock(&dev_base_lock);
}

static int vlan_seq_show(struct seq_file *seq, void *v)
{
	if (v == SEQ_START_TOKEN) {
		const char *nmtype = NULL;

		seq_puts(seq, "VLAN Dev name	 | VLAN ID\n");

		if (vlan_name_type < ARRAY_SIZE(vlan_name_type_str))
		    nmtype =  vlan_name_type_str[vlan_name_type];

		seq_printf(seq, "Name-Type: %s\n",
			   nmtype ? nmtype :  "UNKNOWN");
	} else {
		const struct net_device *vlandev = v;
		const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);

		seq_printf(seq, "%-15s| %d  | %s\n",  vlandev->name,
			   dev_info->vlan_id,    dev_info->real_dev->name);
	}
	return 0;
}

static int vlandev_seq_show(struct seq_file *seq, void *offset)
{
	struct net_device *vlandev = (struct net_device *) seq->private;
	const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
	struct net_device_stats *stats = &vlandev->stats;
	static const char fmt[] = "%30s %12lu\n";
	int i;

	if (!(vlandev->priv_flags & IFF_802_1Q_VLAN))
		return 0;

	seq_printf(seq,
		   "%s  VID: %d	 REORDER_HDR: %i  dev->priv_flags: %hx\n",
		   vlandev->name, dev_info->vlan_id,
		   (int)(dev_info->flags & 1), vlandev->priv_flags);

	seq_printf(seq, fmt, "total frames received", stats->rx_packets);
	seq_printf(seq, fmt, "total bytes received", stats->rx_bytes);
	seq_printf(seq, fmt, "Broadcast/Multicast Rcvd", stats->multicast);
	seq_puts(seq, "\n");
	seq_printf(seq, fmt, "total frames transmitted", stats->tx_packets);
	seq_printf(seq, fmt, "total bytes transmitted", stats->tx_bytes);
	seq_printf(seq, fmt, "total headroom inc",
		   dev_info->cnt_inc_headroom_on_tx);
	seq_printf(seq, fmt, "total encap on xmit",
		   dev_info->cnt_encap_on_xmit);
	seq_printf(seq, "Device: %s", dev_info->real_dev->name);
	/* now show all PRIORITY mappings relating to this VLAN */
	seq_printf(seq, "\nINGRESS priority mappings: "
			"0:%u  1:%u  2:%u  3:%u  4:%u  5:%u  6:%u 7:%u\n",
		   dev_info->ingress_priority_map[0],
		   dev_info->ingress_priority_map[1],
		   dev_info->ingress_priority_map[2],
		   dev_info->ingress_priority_map[3],
		   dev_info->ingress_priority_map[4],
		   dev_info->ingress_priority_map[5],
		   dev_info->ingress_priority_map[6],
		   dev_info->ingress_priority_map[7]);

	seq_printf(seq, "EGRESSS priority Mappings: ");
	for (i = 0; i < 16; i++) {
		const struct vlan_priority_tci_mapping *mp
			= dev_info->egress_priority_map[i];
		while (mp) {
			seq_printf(seq, "%u:%hu ",
				   mp->priority, ((mp->vlan_qos >> 13) & 0x7));
			mp = mp->next;
		}
	}
	seq_puts(seq, "\n");

	return 0;
}
Commit	Line	Data
1da177e4 LT	1	/******************************************************************************
	2	* vlanproc.c VLAN Module. /proc filesystem interface.
	3	*
	4	* This module is completely hardware-independent and provides
	5	* access to the router using Linux /proc filesystem.
	6	*
	7	* Author: Ben Greear, <greearb@candelatech.com> coppied from wanproc.c
	8	* by: Gene Kozin <genek@compuserve.com>
	9	*
	10	* Copyright: (c) 1998 Ben Greear
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public License
	14	* as published by the Free Software Foundation; either version
	15	* 2 of the License, or (at your option) any later version.
	16	* ============================================================================
	17	* Jan 20, 1998 Ben Greear Initial Version
	18	*****************************************************************************/
	19
1da177e4 LT	20	#include <linux/module.h>
	21	#include <linux/stddef.h> /* offsetof(), etc. */
	22	#include <linux/errno.h> /* return codes */
	23	#include <linux/kernel.h>
	24	#include <linux/slab.h> /* kmalloc(), kfree() */
e49332bd	25	#include <linux/mm.h>
1da177e4 LT	26	#include <linux/string.h> /* inline mem, str functions */
	27	#include <linux/init.h> /* __initfunc et al. */
	28	#include <asm/byteorder.h> /* htons(), etc. */
	29	#include <asm/uaccess.h> /* copy_to_user */
	30	#include <asm/io.h>
	31	#include <linux/proc_fs.h>
	32	#include <linux/seq_file.h>
	33	#include <linux/fs.h>
	34	#include <linux/netdevice.h>
	35	#include <linux/if_vlan.h>
457c4cbc	36	#include <net/net_namespace.h>
a59a8c1c	37	#include <net/netns/generic.h>
1da177e4 LT	38	#include "vlanproc.h"
	39	#include "vlan.h"
	40
	41	/**** Function Prototypes ***********************************************/
	42
	43	/* Methods for preparing data for reading proc entries */
	44	static int vlan_seq_show(struct seq_file seq, void v);
	45	static void vlan_seq_start(struct seq_file seq, loff_t *pos);
	46	static void vlan_seq_next(struct seq_file seq, void v, loff_t pos);
	47	static void vlan_seq_stop(struct seq_file seq, void );
	48	static int vlandev_seq_show(struct seq_file seq, void v);
	49
	50	/*
	51	* Global Data
	52	*/
	53
	54
	55	/*
122952fc	56	* Names of the proc directory entries
1da177e4 LT	57	*/
	58
	59	static const char name_root[] = "vlan";
	60	static const char name_conf[] = "config";
	61
	62	/*
	63	* Structures for interfacing with the /proc filesystem.
	64	* VLAN creates its own directory /proc/net/vlan with the folowing
	65	* entries:
	66	* config device status/configuration
	67	* <device> entry for each device
	68	*/
	69
	70	/*
122952fc	71	* Generic /proc/net/vlan/<file> file and inode operations
1da177e4 LT	72	*/
1da177e4 LT	73
56b3d975	74	static const struct seq_operations vlan_seq_ops = {
1da177e4 LT	75	.start = vlan_seq_start,
	76	.next = vlan_seq_next,
	77	.stop = vlan_seq_stop,
	78	.show = vlan_seq_show,
	79	};
	80
	81	static int vlan_seq_open(struct inode inode, struct file file)
	82	{
	83	return seq_open(file, &vlan_seq_ops);
	84	}
	85
9a32144e	86	static const struct file_operations vlan_fops = {
1da177e4 LT	87	.owner = THIS_MODULE,
	88	.open = vlan_seq_open,
	89	.read = seq_read,
	90	.llseek = seq_lseek,
	91	.release = seq_release,
	92	};
	93
	94	/*
	95	* /proc/net/vlan/<device> file and inode operations
	96	*/
	97
	98	static int vlandev_seq_open(struct inode inode, struct file file)
	99	{
	100	return single_open(file, vlandev_seq_show, PDE(inode)->data);
	101	}
	102
9a32144e	103	static const struct file_operations vlandev_fops = {
1da177e4 LT	104	.owner = THIS_MODULE,
	105	.open = vlandev_seq_open,
	106	.read = seq_read,
	107	.llseek = seq_lseek,
	108	.release = single_release,
	109	};
	110
	111	/*
	112	* Proc filesystem derectory entries.
	113	*/
	114
1da177e4 LT	115	/* Strings */
1da177e4 LT	116	static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
2029cc2c PM	117	[VLAN_NAME_TYPE_RAW_PLUS_VID] = "VLAN_NAME_TYPE_RAW_PLUS_VID",
	118	[VLAN_NAME_TYPE_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD",
	119	[VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD",
	120	[VLAN_NAME_TYPE_PLUS_VID] = "VLAN_NAME_TYPE_PLUS_VID",
1da177e4 LT	121	};
	122	/*
	123	* Interface functions
	124	*/
	125
	126	/*
	127	* Clean up /proc/net/vlan entries
	128	*/
	129
cd1c7014	130	void vlan_proc_cleanup(struct net *net)
1da177e4	131	{
a59a8c1c	132	struct vlan_net *vn = net_generic(net, vlan_net_id);
cd1c7014	133
a59a8c1c PE	134	if (vn->proc_vlan_conf)
a59a8c1c PE	135	remove_proc_entry(name_conf, vn->proc_vlan_dir);
1da177e4	136
a59a8c1c PE	137	if (vn->proc_vlan_dir)
a59a8c1c PE	138	proc_net_remove(net, name_root);
1da177e4 LT	139
	140	/* Dynamically added entries should be cleaned up as their vlan_device
	141	* is removed, so we should not have to take care of it here...
	142	*/
	143	}
	144
	145	/*
	146	* Create /proc/net/vlan entries
	147	*/
	148
cd1c7014	149	int vlan_proc_init(struct net *net)
1da177e4	150	{
a59a8c1c	151	struct vlan_net *vn = net_generic(net, vlan_net_id);
cd1c7014	152
a59a8c1c PE	153	vn->proc_vlan_dir = proc_net_mkdir(net, name_root, net->proc_net);
a59a8c1c PE	154	if (!vn->proc_vlan_dir)
69ab4b7d PM	155	goto err;
69ab4b7d PM	156
a59a8c1c PE	157	vn->proc_vlan_conf = proc_create(name_conf, S_IFREG\|S_IRUSR\|S_IWUSR,
	158	vn->proc_vlan_dir, &vlan_fops);
	159	if (!vn->proc_vlan_conf)
69ab4b7d	160	goto err;
69ab4b7d PM	161	return 0;
	162
	163	err:
0dc47877	164	pr_err("%s: can't create entry in proc filesystem!\n", __func__);
cd1c7014	165	vlan_proc_cleanup(net);
1da177e4 LT	166	return -ENOBUFS;
	167	}
	168
	169	/*
	170	* Add directory entry for VLAN device.
	171	*/
	172
2029cc2c	173	int vlan_proc_add_dev(struct net_device *vlandev)
1da177e4	174	{
9dfebcc6	175	struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
a59a8c1c	176	struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id);
1da177e4	177
d45fba36	178	dev_info->dent = proc_create(vlandev->name, S_IFREG\|S_IRUSR\|S_IWUSR,
a59a8c1c	179	vn->proc_vlan_dir, &vlandev_fops);
1da177e4 LT	180	if (!dev_info->dent)
	181	return -ENOBUFS;
	182
1da177e4	183	dev_info->dent->data = vlandev;
1da177e4 LT	184	return 0;
	185	}
	186
	187	/*
	188	* Delete directory entry for VLAN device.
	189	*/
	190	int vlan_proc_rem_dev(struct net_device *vlandev)
	191	{
a59a8c1c PE	192	struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id);
a59a8c1c PE	193
1da177e4	194	/** NOTE: This will consume the memory pointed to by dent, it seems. */
9dfebcc6	195	if (vlan_dev_info(vlandev)->dent) {
2029cc2c	196	remove_proc_entry(vlan_dev_info(vlandev)->dent->name,
a59a8c1c	197	vn->proc_vlan_dir);
9dfebcc6	198	vlan_dev_info(vlandev)->dent = NULL;
1da177e4	199	}
1da177e4 LT	200	return 0;
	201	}
	202
	203	/**** Proc filesystem entry points **************************************/
	204
	205	/*
	206	* The following few functions build the content of /proc/net/vlan/config
	207	*/
	208
122952fc	209	/* start read of /proc/net/vlan/config */
1da177e4	210	static void vlan_seq_start(struct seq_file seq, loff_t *pos)
1402c851	211	__acquires(dev_base_lock)
1da177e4 LT	212	{
	213	struct net_device *dev;
	214	loff_t i = 1;
	215
	216	read_lock(&dev_base_lock);
	217
	218	if (*pos == 0)
	219	return SEQ_START_TOKEN;
122952fc	220
881d966b	221	for_each_netdev(&init_net, dev) {
7562f876 PE	222	if (!is_vlan_dev(dev))
	223	continue;
	224
	225	if (i++ == *pos)
	226	return dev;
	227	}
122952fc	228
7562f876	229	return NULL;
122952fc	230	}
1da177e4 LT	231
	232	static void vlan_seq_next(struct seq_file seq, void v, loff_t pos)
	233	{
7562f876 PE	234	struct net_device *dev;
7562f876 PE	235
1da177e4 LT	236	++*pos;
1da177e4 LT	237
7562f876 PE	238	dev = (struct net_device *)v;
7562f876 PE	239	if (v == SEQ_START_TOKEN)
881d966b	240	dev = net_device_entry(&init_net.dev_base_head);
7562f876	241
881d966b	242	for_each_netdev_continue(&init_net, dev) {
7562f876 PE	243	if (!is_vlan_dev(dev))
	244	continue;
	245
	246	return dev;
	247	}
	248
	249	return NULL;
1da177e4 LT	250	}
	251
	252	static void vlan_seq_stop(struct seq_file seq, void v)
1402c851	253	__releases(dev_base_lock)
1da177e4 LT	254	{
	255	read_unlock(&dev_base_lock);
	256	}
	257
	258	static int vlan_seq_show(struct seq_file seq, void v)
	259	{
	260	if (v == SEQ_START_TOKEN) {
	261	const char *nmtype = NULL;
	262
	263	seq_puts(seq, "VLAN Dev name \| VLAN ID\n");
	264
	265	if (vlan_name_type < ARRAY_SIZE(vlan_name_type_str))
	266	nmtype = vlan_name_type_str[vlan_name_type];
	267
122952fc	268	seq_printf(seq, "Name-Type: %s\n",
2029cc2c	269	nmtype ? nmtype : "UNKNOWN");
1da177e4 LT	270	} else {
1da177e4 LT	271	const struct net_device *vlandev = v;
9dfebcc6	272	const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
1da177e4	273
122952fc	274	seq_printf(seq, "%-15s\| %d \| %s\n", vlandev->name,
1da177e4 LT	275	dev_info->vlan_id, dev_info->real_dev->name);
	276	}
	277	return 0;
	278	}
	279
	280	static int vlandev_seq_show(struct seq_file seq, void offset)
	281	{
	282	struct net_device vlandev = (struct net_device ) seq->private;
9dfebcc6	283	const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
7bd38d77	284	struct net_device_stats *stats = &vlandev->stats;
1da177e4 LT	285	static const char fmt[] = "%30s %12lu\n";
	286	int i;
	287
16f3051b	288	if (!(vlandev->priv_flags & IFF_802_1Q_VLAN))
1da177e4 LT	289	return 0;
1da177e4 LT	290
2029cc2c PM	291	seq_printf(seq,
	292	"%s VID: %d REORDER_HDR: %i dev->priv_flags: %hx\n",
	293	vlandev->name, dev_info->vlan_id,
	294	(int)(dev_info->flags & 1), vlandev->priv_flags);
1da177e4	295
1da177e4 LT	296	seq_printf(seq, fmt, "total frames received", stats->rx_packets);
	297	seq_printf(seq, fmt, "total bytes received", stats->rx_bytes);
	298	seq_printf(seq, fmt, "Broadcast/Multicast Rcvd", stats->multicast);
	299	seq_puts(seq, "\n");
	300	seq_printf(seq, fmt, "total frames transmitted", stats->tx_packets);
	301	seq_printf(seq, fmt, "total bytes transmitted", stats->tx_bytes);
122952fc	302	seq_printf(seq, fmt, "total headroom inc",
1da177e4	303	dev_info->cnt_inc_headroom_on_tx);
122952fc	304	seq_printf(seq, fmt, "total encap on xmit",
1da177e4 LT	305	dev_info->cnt_encap_on_xmit);
	306	seq_printf(seq, "Device: %s", dev_info->real_dev->name);
	307	/* now show all PRIORITY mappings relating to this VLAN */
2029cc2c PM	308	seq_printf(seq, "\nINGRESS priority mappings: "
	309	"0:%u 1:%u 2:%u 3:%u 4:%u 5:%u 6:%u 7:%u\n",
	310	dev_info->ingress_priority_map[0],
	311	dev_info->ingress_priority_map[1],
	312	dev_info->ingress_priority_map[2],
	313	dev_info->ingress_priority_map[3],
	314	dev_info->ingress_priority_map[4],
	315	dev_info->ingress_priority_map[5],
	316	dev_info->ingress_priority_map[6],
	317	dev_info->ingress_priority_map[7]);
1da177e4 LT	318
	319	seq_printf(seq, "EGRESSS priority Mappings: ");
	320	for (i = 0; i < 16; i++) {
	321	const struct vlan_priority_tci_mapping *mp
	322	= dev_info->egress_priority_map[i];
	323	while (mp) {
734423cf	324	seq_printf(seq, "%u:%hu ",
1da177e4 LT	325	mp->priority, ((mp->vlan_qos >> 13) & 0x7));
	326	mp = mp->next;
	327	}
	328	}
	329	seq_puts(seq, "\n");
	330
	331	return 0;
	332	}