1 /**********************************************************************
2 * Author: Cavium Networks
4 * Contact: support@caviumnetworks.com
5 * This file is part of the OCTEON SDK
7 * Copyright (c) 2003-2007 Cavium Networks
9 * This file is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License, Version 2, as
11 * published by the Free Software Foundation.
13 * This file is distributed in the hope that it will be useful, but
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
16 * NONINFRINGEMENT. See the GNU General Public License for more
19 * You should have received a copy of the GNU General Public License
20 * along with this file; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 * or visit http://www.gnu.org/licenses/.
24 * This file may also be available under a different license from Cavium.
25 * Contact Cavium Networks for more information
26 **********************************************************************/
27 #include <linux/kernel.h>
28 #include <linux/ethtool.h>
29 #include <linux/phy.h>
33 #include <asm/octeon/octeon.h>
35 #include "ethernet-defines.h"
36 #include "octeon-ethernet.h"
37 #include "ethernet-mdio.h"
38 #include "ethernet-util.h"
40 #include "cvmx-helper-board.h"
42 #include "cvmx-smix-defs.h"
44 static void cvm_oct_get_drvinfo(struct net_device *dev,
45 struct ethtool_drvinfo *info)
47 strcpy(info->driver, "cavium-ethernet");
48 strcpy(info->version, OCTEON_ETHERNET_VERSION);
49 strcpy(info->bus_info, "Builtin");
52 static int cvm_oct_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
54 struct octeon_ethernet *priv = netdev_priv(dev);
57 return phy_ethtool_gset(priv->phydev, cmd);
62 static int cvm_oct_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
64 struct octeon_ethernet *priv = netdev_priv(dev);
66 if (!capable(CAP_NET_ADMIN))
70 return phy_ethtool_sset(priv->phydev, cmd);
75 static int cvm_oct_nway_reset(struct net_device *dev)
77 struct octeon_ethernet *priv = netdev_priv(dev);
79 if (!capable(CAP_NET_ADMIN))
83 return phy_start_aneg(priv->phydev);
88 const struct ethtool_ops cvm_oct_ethtool_ops = {
89 .get_drvinfo = cvm_oct_get_drvinfo,
90 .get_settings = cvm_oct_get_settings,
91 .set_settings = cvm_oct_set_settings,
92 .nway_reset = cvm_oct_nway_reset,
93 .get_link = ethtool_op_get_link,
94 .get_sg = ethtool_op_get_sg,
95 .get_tx_csum = ethtool_op_get_tx_csum,
99 * cvm_oct_ioctl - IOCTL support for PHY control
100 * @dev: Device to change
104 * Returns Zero on success
106 int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
108 struct octeon_ethernet *priv = netdev_priv(dev);
110 if (!netif_running(dev))
116 return phy_mii_ioctl(priv->phydev, rq, cmd);
119 static void cvm_oct_adjust_link(struct net_device *dev)
121 struct octeon_ethernet *priv = netdev_priv(dev);
122 cvmx_helper_link_info_t link_info;
124 if (priv->last_link != priv->phydev->link) {
125 priv->last_link = priv->phydev->link;
127 link_info.s.link_up = priv->last_link ? 1 : 0;
128 link_info.s.full_duplex = priv->phydev->duplex ? 1 : 0;
129 link_info.s.speed = priv->phydev->speed;
130 cvmx_helper_link_set( priv->port, link_info);
131 if (priv->last_link) {
132 netif_carrier_on(dev);
133 if (priv->queue != -1)
134 DEBUGPRINT("%s: %u Mbps %s duplex, "
135 "port %2d, queue %2d\n",
136 dev->name, priv->phydev->speed,
137 priv->phydev->duplex ?
139 priv->port, priv->queue);
141 DEBUGPRINT("%s: %u Mbps %s duplex, "
143 dev->name, priv->phydev->speed,
144 priv->phydev->duplex ?
148 netif_carrier_off(dev);
149 DEBUGPRINT("%s: Link down\n", dev->name);
156 * cvm_oct_phy_setup_device - setup the PHY
158 * @dev: Device to setup
160 * Returns Zero on success, negative on failure
162 int cvm_oct_phy_setup_device(struct net_device *dev)
164 struct octeon_ethernet *priv = netdev_priv(dev);
166 int phy_addr = cvmx_helper_board_get_mii_address(priv->port);
167 if (phy_addr != -1) {
170 snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "0", phy_addr);
172 priv->phydev = phy_connect(dev, phy_id, cvm_oct_adjust_link, 0,
173 PHY_INTERFACE_MODE_GMII);
175 if (IS_ERR(priv->phydev)) {
180 phy_start_aneg(priv->phydev);