1 /*******************************************************************************
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23 *******************************************************************************/
25 #include <linux/etherdevice.h>
26 #include <linux/ethtool.h>
27 #include <linux/mii.h>
28 #include <linux/phy.h>
31 #include "dwmac_dma.h"
33 #define REG_SPACE_SIZE 0x1054
34 #define MAC100_ETHTOOL_NAME "st_mac100"
35 #define GMAC_ETHTOOL_NAME "st_gmac"
38 char stat_string[ETH_GSTRING_LEN];
43 #define STMMAC_STAT(m) \
44 { #m, FIELD_SIZEOF(struct stmmac_extra_stats, m), \
45 offsetof(struct stmmac_priv, xstats.m)}
47 static const struct stmmac_stats stmmac_gstrings_stats[] = {
48 STMMAC_STAT(tx_underflow),
49 STMMAC_STAT(tx_carrier),
50 STMMAC_STAT(tx_losscarrier),
51 STMMAC_STAT(tx_heartbeat),
52 STMMAC_STAT(tx_deferred),
55 STMMAC_STAT(tx_jabber),
56 STMMAC_STAT(tx_frame_flushed),
57 STMMAC_STAT(tx_payload_error),
58 STMMAC_STAT(tx_ip_header_error),
60 STMMAC_STAT(rx_partial),
62 STMMAC_STAT(rx_toolong),
63 STMMAC_STAT(rx_collision),
65 STMMAC_STAT(rx_length),
67 STMMAC_STAT(rx_multicast),
68 STMMAC_STAT(rx_gmac_overflow),
69 STMMAC_STAT(rx_watchdog),
70 STMMAC_STAT(da_rx_filter_fail),
71 STMMAC_STAT(sa_rx_filter_fail),
72 STMMAC_STAT(rx_missed_cntr),
73 STMMAC_STAT(rx_overflow_cntr),
74 STMMAC_STAT(tx_undeflow_irq),
75 STMMAC_STAT(tx_process_stopped_irq),
76 STMMAC_STAT(tx_jabber_irq),
77 STMMAC_STAT(rx_overflow_irq),
78 STMMAC_STAT(rx_buf_unav_irq),
79 STMMAC_STAT(rx_process_stopped_irq),
80 STMMAC_STAT(rx_watchdog_irq),
81 STMMAC_STAT(tx_early_irq),
82 STMMAC_STAT(fatal_bus_error_irq),
83 STMMAC_STAT(threshold),
84 STMMAC_STAT(tx_pkt_n),
85 STMMAC_STAT(rx_pkt_n),
87 STMMAC_STAT(sched_timer_n),
88 STMMAC_STAT(normal_irq_n),
90 #define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
92 void stmmac_ethtool_getdrvinfo(struct net_device *dev,
93 struct ethtool_drvinfo *info)
95 struct stmmac_priv *priv = netdev_priv(dev);
98 strcpy(info->driver, MAC100_ETHTOOL_NAME);
100 strcpy(info->driver, GMAC_ETHTOOL_NAME);
102 strcpy(info->version, DRV_MODULE_VERSION);
103 info->fw_version[0] = '\0';
104 info->n_stats = STMMAC_STATS_LEN;
107 int stmmac_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd)
109 struct stmmac_priv *priv = netdev_priv(dev);
110 struct phy_device *phy = priv->phydev;
113 pr_err("%s: %s: PHY is not registered\n",
114 __func__, dev->name);
117 if (!netif_running(dev)) {
118 pr_err("%s: interface is disabled: we cannot track "
119 "link speed / duplex setting\n", dev->name);
122 cmd->transceiver = XCVR_INTERNAL;
123 spin_lock_irq(&priv->lock);
124 rc = phy_ethtool_gset(phy, cmd);
125 spin_unlock_irq(&priv->lock);
129 int stmmac_ethtool_setsettings(struct net_device *dev, struct ethtool_cmd *cmd)
131 struct stmmac_priv *priv = netdev_priv(dev);
132 struct phy_device *phy = priv->phydev;
135 spin_lock(&priv->lock);
136 rc = phy_ethtool_sset(phy, cmd);
137 spin_unlock(&priv->lock);
142 u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
144 struct stmmac_priv *priv = netdev_priv(dev);
145 return priv->msg_enable;
148 void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level)
150 struct stmmac_priv *priv = netdev_priv(dev);
151 priv->msg_enable = level;
155 int stmmac_check_if_running(struct net_device *dev)
157 if (!netif_running(dev))
162 int stmmac_ethtool_get_regs_len(struct net_device *dev)
164 return REG_SPACE_SIZE;
167 void stmmac_ethtool_gregs(struct net_device *dev,
168 struct ethtool_regs *regs, void *space)
171 u32 *reg_space = (u32 *) space;
173 struct stmmac_priv *priv = netdev_priv(dev);
175 memset(reg_space, 0x0, REG_SPACE_SIZE);
177 if (!priv->is_gmac) {
179 for (i = 0; i < 12; i++)
180 reg_space[i] = readl(priv->ioaddr + (i * 4));
182 for (i = 0; i < 9; i++)
184 readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
185 reg_space[22] = readl(priv->ioaddr + DMA_CUR_TX_BUF_ADDR);
186 reg_space[23] = readl(priv->ioaddr + DMA_CUR_RX_BUF_ADDR);
189 for (i = 0; i < 55; i++)
190 reg_space[i] = readl(priv->ioaddr + (i * 4));
192 for (i = 0; i < 22; i++)
194 readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
198 int stmmac_ethtool_set_tx_csum(struct net_device *netdev, u32 data)
201 netdev->features |= NETIF_F_HW_CSUM;
203 netdev->features &= ~NETIF_F_HW_CSUM;
208 u32 stmmac_ethtool_get_rx_csum(struct net_device *dev)
210 struct stmmac_priv *priv = netdev_priv(dev);
212 return priv->rx_csum;
216 stmmac_get_pauseparam(struct net_device *netdev,
217 struct ethtool_pauseparam *pause)
219 struct stmmac_priv *priv = netdev_priv(netdev);
221 spin_lock(&priv->lock);
225 pause->autoneg = priv->phydev->autoneg;
227 if (priv->flow_ctrl & FLOW_RX)
229 if (priv->flow_ctrl & FLOW_TX)
232 spin_unlock(&priv->lock);
236 stmmac_set_pauseparam(struct net_device *netdev,
237 struct ethtool_pauseparam *pause)
239 struct stmmac_priv *priv = netdev_priv(netdev);
240 struct phy_device *phy = priv->phydev;
241 int new_pause = FLOW_OFF;
244 spin_lock(&priv->lock);
247 new_pause |= FLOW_RX;
249 new_pause |= FLOW_TX;
251 priv->flow_ctrl = new_pause;
254 if (netif_running(netdev)) {
255 struct ethtool_cmd cmd;
256 /* auto-negotiation automatically restarted */
257 cmd.cmd = ETHTOOL_NWAY_RST;
258 cmd.supported = phy->supported;
259 cmd.advertising = phy->advertising;
260 cmd.autoneg = phy->autoneg;
261 cmd.speed = phy->speed;
262 cmd.duplex = phy->duplex;
263 cmd.phy_address = phy->addr;
264 ret = phy_ethtool_sset(phy, &cmd);
267 priv->hw->mac->flow_ctrl(priv->ioaddr, phy->duplex,
268 priv->flow_ctrl, priv->pause);
269 spin_unlock(&priv->lock);
273 static void stmmac_get_ethtool_stats(struct net_device *dev,
274 struct ethtool_stats *dummy, u64 *data)
276 struct stmmac_priv *priv = netdev_priv(dev);
279 /* Update HW stats if supported */
280 priv->hw->dma->dma_diagnostic_fr(&dev->stats, (void *) &priv->xstats,
283 for (i = 0; i < STMMAC_STATS_LEN; i++) {
284 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
285 data[i] = (stmmac_gstrings_stats[i].sizeof_stat ==
286 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
290 static int stmmac_get_sset_count(struct net_device *netdev, int sset)
294 return STMMAC_STATS_LEN;
300 static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
307 for (i = 0; i < STMMAC_STATS_LEN; i++) {
308 memcpy(p, stmmac_gstrings_stats[i].stat_string,
310 p += ETH_GSTRING_LEN;
319 /* Currently only support WOL through Magic packet. */
320 static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
322 struct stmmac_priv *priv = netdev_priv(dev);
324 spin_lock_irq(&priv->lock);
325 if (priv->wolenabled == PMT_SUPPORTED) {
326 wol->supported = WAKE_MAGIC;
327 wol->wolopts = priv->wolopts;
329 spin_unlock_irq(&priv->lock);
332 static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
334 struct stmmac_priv *priv = netdev_priv(dev);
335 u32 support = WAKE_MAGIC;
337 if (priv->wolenabled == PMT_NOT_SUPPORTED)
340 if (wol->wolopts & ~support)
343 if (wol->wolopts == 0)
344 device_set_wakeup_enable(priv->device, 0);
346 device_set_wakeup_enable(priv->device, 1);
348 spin_lock_irq(&priv->lock);
349 priv->wolopts = wol->wolopts;
350 spin_unlock_irq(&priv->lock);
355 static struct ethtool_ops stmmac_ethtool_ops = {
356 .begin = stmmac_check_if_running,
357 .get_drvinfo = stmmac_ethtool_getdrvinfo,
358 .get_settings = stmmac_ethtool_getsettings,
359 .set_settings = stmmac_ethtool_setsettings,
360 .get_msglevel = stmmac_ethtool_getmsglevel,
361 .set_msglevel = stmmac_ethtool_setmsglevel,
362 .get_regs = stmmac_ethtool_gregs,
363 .get_regs_len = stmmac_ethtool_get_regs_len,
364 .get_link = ethtool_op_get_link,
365 .get_rx_csum = stmmac_ethtool_get_rx_csum,
366 .get_tx_csum = ethtool_op_get_tx_csum,
367 .set_tx_csum = stmmac_ethtool_set_tx_csum,
368 .get_sg = ethtool_op_get_sg,
369 .set_sg = ethtool_op_set_sg,
370 .get_pauseparam = stmmac_get_pauseparam,
371 .set_pauseparam = stmmac_set_pauseparam,
372 .get_ethtool_stats = stmmac_get_ethtool_stats,
373 .get_strings = stmmac_get_strings,
374 .get_wol = stmmac_get_wol,
375 .set_wol = stmmac_set_wol,
376 .get_sset_count = stmmac_get_sset_count,
378 .get_tso = ethtool_op_get_tso,
379 .set_tso = ethtool_op_set_tso,
383 void stmmac_set_ethtool_ops(struct net_device *netdev)
385 SET_ETHTOOL_OPS(netdev, &stmmac_ethtool_ops);