/*
* Copyright (c) 2007 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#include <linux/etherdevice.h>
#include <linux/tcp.h>
#include <linux/if_vlan.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/mlx4/driver.h>
#include <linux/mlx4/device.h>
#include <linux/mlx4/cmd.h>
#include <linux/mlx4/cq.h>
#include "mlx4_en.h"
#include "en_port.h"
static void mlx4_en_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int err;
en_dbg(HW, priv, "Registering VLAN group:%p\n", grp);
priv->vlgrp = grp;
mutex_lock(&mdev->state_lock);
if (mdev->device_up && priv->port_up) {
err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, grp);
if (err)
en_err(priv, "Failed configuring VLAN filter\n");
}
mutex_unlock(&mdev->state_lock);
}
static void mlx4_en_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int err;
int idx;
if (!priv->vlgrp)
return;
en_dbg(HW, priv, "adding VLAN:%d (vlgrp entry:%p)\n",
vid, vlan_group_get_device(priv->vlgrp, vid));
/* Add VID to port VLAN filter */
mutex_lock(&mdev->state_lock);
if (mdev->device_up && priv->port_up) {
err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, priv->vlgrp);
if (err)
en_err(priv, "Failed configuring VLAN filter\n");
}
if (mlx4_register_vlan(mdev->dev, priv->port, vid, &idx))
en_err(priv, "failed adding vlan %d\n", vid);
mutex_unlock(&mdev->state_lock);
}
static void mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int err;
int idx;
if (!priv->vlgrp)
return;
en_dbg(HW, priv, "Killing VID:%d (vlgrp:%p vlgrp entry:%p)\n",
vid, priv->vlgrp, vlan_group_get_device(priv->vlgrp,