2 * AMD 10Gb Ethernet driver
4 * This file is available to you under your choice of the following two
9 * Copyright (c) 2014 Advanced Micro Devices, Inc.
11 * This file is free software; you may copy, redistribute and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 2 of the License, or (at
14 * your option) any later version.
16 * This file is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * This file incorporates work covered by the following copyright and
26 * The Synopsys DWC ETHER XGMAC Software Driver and documentation
27 * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
28 * Inc. unless otherwise expressly agreed to in writing between Synopsys
31 * The Software IS NOT an item of Licensed Software or Licensed Product
32 * under any End User Software License Agreement or Agreement for Licensed
33 * Product with Synopsys or any supplement thereto. Permission is hereby
34 * granted, free of charge, to any person obtaining a copy of this software
35 * annotated with this license and the Software, to deal in the Software
36 * without restriction, including without limitation the rights to use,
37 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
38 * of the Software, and to permit persons to whom the Software is furnished
39 * to do so, subject to the following conditions:
41 * The above copyright notice and this permission notice shall be included
42 * in all copies or substantial portions of the Software.
44 * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
45 * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
46 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
47 * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
48 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
49 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
50 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
51 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
52 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
53 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
54 * THE POSSIBILITY OF SUCH DAMAGE.
57 * License 2: Modified BSD
59 * Copyright (c) 2014 Advanced Micro Devices, Inc.
60 * All rights reserved.
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63 * modification, are permitted provided that the following conditions are met:
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71 * derived from this software without specific prior written permission.
73 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
74 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
75 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
76 * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
77 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
78 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
79 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
80 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
81 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
82 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
84 * This file incorporates work covered by the following copyright and
86 * The Synopsys DWC ETHER XGMAC Software Driver and documentation
87 * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
88 * Inc. unless otherwise expressly agreed to in writing between Synopsys
91 * The Software IS NOT an item of Licensed Software or Licensed Product
92 * under any End User Software License Agreement or Agreement for Licensed
93 * Product with Synopsys or any supplement thereto. Permission is hereby
94 * granted, free of charge, to any person obtaining a copy of this software
95 * annotated with this license and the Software, to deal in the Software
96 * without restriction, including without limitation the rights to use,
97 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
98 * of the Software, and to permit persons to whom the Software is furnished
99 * to do so, subject to the following conditions:
101 * The above copyright notice and this permission notice shall be included
102 * in all copies or substantial portions of the Software.
104 * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
105 * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
106 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
107 * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
108 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
109 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
110 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
111 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
112 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
113 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
114 * THE POSSIBILITY OF SUCH DAMAGE.
117 #include <linux/spinlock.h>
118 #include <linux/phy.h>
119 #include <linux/net_tstamp.h>
122 #include "xgbe-common.h"
125 char stat_string[ETH_GSTRING_LEN];
130 #define XGMAC_MMC_STAT(_string, _var) \
132 FIELD_SIZEOF(struct xgbe_mmc_stats, _var), \
133 offsetof(struct xgbe_prv_data, mmc_stats._var), \
136 static const struct xgbe_stats xgbe_gstring_stats[] = {
137 XGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
138 XGMAC_MMC_STAT("tx_packets", txframecount_gb),
139 XGMAC_MMC_STAT("tx_unicast_packets", txunicastframes_gb),
140 XGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
141 XGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
142 XGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
143 XGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
144 XGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
145 XGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
146 XGMAC_MMC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
147 XGMAC_MMC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
148 XGMAC_MMC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
149 XGMAC_MMC_STAT("tx_underflow_errors", txunderflowerror),
150 XGMAC_MMC_STAT("tx_pause_frames", txpauseframes),
152 XGMAC_MMC_STAT("rx_bytes", rxoctetcount_gb),
153 XGMAC_MMC_STAT("rx_packets", rxframecount_gb),
154 XGMAC_MMC_STAT("rx_unicast_packets", rxunicastframes_g),
155 XGMAC_MMC_STAT("rx_broadcast_packets", rxbroadcastframes_g),
156 XGMAC_MMC_STAT("rx_multicast_packets", rxmulticastframes_g),
157 XGMAC_MMC_STAT("rx_vlan_packets", rxvlanframes_gb),
158 XGMAC_MMC_STAT("rx_64_byte_packets", rx64octets_gb),
159 XGMAC_MMC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
160 XGMAC_MMC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
161 XGMAC_MMC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
162 XGMAC_MMC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
163 XGMAC_MMC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
164 XGMAC_MMC_STAT("rx_undersize_packets", rxundersize_g),
165 XGMAC_MMC_STAT("rx_oversize_packets", rxoversize_g),
166 XGMAC_MMC_STAT("rx_crc_errors", rxcrcerror),
167 XGMAC_MMC_STAT("rx_crc_errors_small_packets", rxrunterror),
168 XGMAC_MMC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
169 XGMAC_MMC_STAT("rx_length_errors", rxlengtherror),
170 XGMAC_MMC_STAT("rx_out_of_range_errors", rxoutofrangetype),
171 XGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
172 XGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
173 XGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
176 #define XGBE_STATS_COUNT ARRAY_SIZE(xgbe_gstring_stats)
178 static void xgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
182 DBGPR("-->%s\n", __func__);
186 for (i = 0; i < XGBE_STATS_COUNT; i++) {
187 memcpy(data, xgbe_gstring_stats[i].stat_string,
189 data += ETH_GSTRING_LEN;
194 DBGPR("<--%s\n", __func__);
197 static void xgbe_get_ethtool_stats(struct net_device *netdev,
198 struct ethtool_stats *stats, u64 *data)
200 struct xgbe_prv_data *pdata = netdev_priv(netdev);
204 DBGPR("-->%s\n", __func__);
206 pdata->hw_if.read_mmc_stats(pdata);
207 for (i = 0; i < XGBE_STATS_COUNT; i++) {
208 stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset;
209 *data++ = *(u64 *)stat;
212 DBGPR("<--%s\n", __func__);
215 static int xgbe_get_sset_count(struct net_device *netdev, int stringset)
219 DBGPR("-->%s\n", __func__);
223 ret = XGBE_STATS_COUNT;
230 DBGPR("<--%s\n", __func__);
235 static void xgbe_get_pauseparam(struct net_device *netdev,
236 struct ethtool_pauseparam *pause)
238 struct xgbe_prv_data *pdata = netdev_priv(netdev);
240 DBGPR("-->xgbe_get_pauseparam\n");
242 pause->autoneg = pdata->pause_autoneg;
243 pause->tx_pause = pdata->tx_pause;
244 pause->rx_pause = pdata->rx_pause;
246 DBGPR("<--xgbe_get_pauseparam\n");
249 static int xgbe_set_pauseparam(struct net_device *netdev,
250 struct ethtool_pauseparam *pause)
252 struct xgbe_prv_data *pdata = netdev_priv(netdev);
253 struct phy_device *phydev = pdata->phydev;
256 DBGPR("-->xgbe_set_pauseparam\n");
258 DBGPR(" autoneg = %d, tx_pause = %d, rx_pause = %d\n",
259 pause->autoneg, pause->tx_pause, pause->rx_pause);
261 pdata->pause_autoneg = pause->autoneg;
262 if (pause->autoneg) {
263 phydev->advertising |= ADVERTISED_Pause;
264 phydev->advertising |= ADVERTISED_Asym_Pause;
267 phydev->advertising &= ~ADVERTISED_Pause;
268 phydev->advertising &= ~ADVERTISED_Asym_Pause;
270 pdata->tx_pause = pause->tx_pause;
271 pdata->rx_pause = pause->rx_pause;
274 if (netif_running(netdev))
275 ret = phy_start_aneg(phydev);
277 DBGPR("<--xgbe_set_pauseparam\n");
282 static int xgbe_get_settings(struct net_device *netdev,
283 struct ethtool_cmd *cmd)
285 struct xgbe_prv_data *pdata = netdev_priv(netdev);
288 DBGPR("-->xgbe_get_settings\n");
293 ret = phy_ethtool_gset(pdata->phydev, cmd);
294 cmd->transceiver = XCVR_EXTERNAL;
296 DBGPR("<--xgbe_get_settings\n");
301 static int xgbe_set_settings(struct net_device *netdev,
302 struct ethtool_cmd *cmd)
304 struct xgbe_prv_data *pdata = netdev_priv(netdev);
305 struct phy_device *phydev = pdata->phydev;
309 DBGPR("-->xgbe_set_settings\n");
314 speed = ethtool_cmd_speed(cmd);
316 if (cmd->phy_address != phydev->addr)
319 if ((cmd->autoneg != AUTONEG_ENABLE) &&
320 (cmd->autoneg != AUTONEG_DISABLE))
323 if (cmd->autoneg == AUTONEG_DISABLE) {
333 if (cmd->duplex != DUPLEX_FULL)
337 cmd->advertising &= phydev->supported;
338 if ((cmd->autoneg == AUTONEG_ENABLE) && !cmd->advertising)
342 phydev->autoneg = cmd->autoneg;
343 phydev->speed = speed;
344 phydev->duplex = cmd->duplex;
345 phydev->advertising = cmd->advertising;
347 if (cmd->autoneg == AUTONEG_ENABLE)
348 phydev->advertising |= ADVERTISED_Autoneg;
350 phydev->advertising &= ~ADVERTISED_Autoneg;
352 if (netif_running(netdev))
353 ret = phy_start_aneg(phydev);
355 DBGPR("<--xgbe_set_settings\n");
360 static void xgbe_get_drvinfo(struct net_device *netdev,
361 struct ethtool_drvinfo *drvinfo)
363 struct xgbe_prv_data *pdata = netdev_priv(netdev);
364 struct xgbe_hw_features *hw_feat = &pdata->hw_feat;
366 strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
367 strlcpy(drvinfo->version, XGBE_DRV_VERSION, sizeof(drvinfo->version));
368 strlcpy(drvinfo->bus_info, dev_name(pdata->dev),
369 sizeof(drvinfo->bus_info));
370 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
371 XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
372 XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
373 XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
374 drvinfo->n_stats = XGBE_STATS_COUNT;
377 static int xgbe_get_coalesce(struct net_device *netdev,
378 struct ethtool_coalesce *ec)
380 struct xgbe_prv_data *pdata = netdev_priv(netdev);
381 struct xgbe_hw_if *hw_if = &pdata->hw_if;
384 DBGPR("-->xgbe_get_coalesce\n");
386 memset(ec, 0, sizeof(struct ethtool_coalesce));
388 riwt = pdata->rx_riwt;
389 ec->rx_coalesce_usecs = hw_if->riwt_to_usec(pdata, riwt);
390 ec->rx_max_coalesced_frames = pdata->rx_frames;
392 ec->tx_coalesce_usecs = pdata->tx_usecs;
393 ec->tx_max_coalesced_frames = pdata->tx_frames;
395 DBGPR("<--xgbe_get_coalesce\n");
400 static int xgbe_set_coalesce(struct net_device *netdev,
401 struct ethtool_coalesce *ec)
403 struct xgbe_prv_data *pdata = netdev_priv(netdev);
404 struct xgbe_hw_if *hw_if = &pdata->hw_if;
405 unsigned int rx_frames, rx_riwt, rx_usecs;
406 unsigned int tx_frames, tx_usecs;
408 DBGPR("-->xgbe_set_coalesce\n");
410 /* Check for not supported parameters */
411 if ((ec->rx_coalesce_usecs_irq) ||
412 (ec->rx_max_coalesced_frames_irq) ||
413 (ec->tx_coalesce_usecs_irq) ||
414 (ec->tx_max_coalesced_frames_irq) ||
415 (ec->stats_block_coalesce_usecs) ||
416 (ec->use_adaptive_rx_coalesce) ||
417 (ec->use_adaptive_tx_coalesce) ||
418 (ec->pkt_rate_low) ||
419 (ec->rx_coalesce_usecs_low) ||
420 (ec->rx_max_coalesced_frames_low) ||
421 (ec->tx_coalesce_usecs_low) ||
422 (ec->tx_max_coalesced_frames_low) ||
423 (ec->pkt_rate_high) ||
424 (ec->rx_coalesce_usecs_high) ||
425 (ec->rx_max_coalesced_frames_high) ||
426 (ec->tx_coalesce_usecs_high) ||
427 (ec->tx_max_coalesced_frames_high) ||
428 (ec->rate_sample_interval))
431 /* Can only change rx-frames when interface is down (see
432 * rx_descriptor_init in xgbe-dev.c)
434 rx_frames = pdata->rx_frames;
435 if (rx_frames != ec->rx_max_coalesced_frames && netif_running(netdev)) {
437 "interface must be down to change rx-frames\n");
441 rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
442 rx_frames = ec->rx_max_coalesced_frames;
444 /* Use smallest possible value if conversion resulted in zero */
445 if (ec->rx_coalesce_usecs && !rx_riwt)
448 /* Check the bounds of values for Rx */
449 if (rx_riwt > XGMAC_MAX_DMA_RIWT) {
450 rx_usecs = hw_if->riwt_to_usec(pdata, XGMAC_MAX_DMA_RIWT);
451 netdev_alert(netdev, "rx-usec is limited to %d usecs\n",
455 if (rx_frames > pdata->rx_desc_count) {
456 netdev_alert(netdev, "rx-frames is limited to %d frames\n",
457 pdata->rx_desc_count);
461 tx_usecs = ec->tx_coalesce_usecs;
462 tx_frames = ec->tx_max_coalesced_frames;
464 /* Check the bounds of values for Tx */
465 if (tx_frames > pdata->tx_desc_count) {
466 netdev_alert(netdev, "tx-frames is limited to %d frames\n",
467 pdata->tx_desc_count);
471 pdata->rx_riwt = rx_riwt;
472 pdata->rx_frames = rx_frames;
473 hw_if->config_rx_coalesce(pdata);
475 pdata->tx_usecs = tx_usecs;
476 pdata->tx_frames = tx_frames;
477 hw_if->config_tx_coalesce(pdata);
479 DBGPR("<--xgbe_set_coalesce\n");
484 static int xgbe_get_ts_info(struct net_device *netdev,
485 struct ethtool_ts_info *ts_info)
487 struct xgbe_prv_data *pdata = netdev_priv(netdev);
489 ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
490 SOF_TIMESTAMPING_RX_SOFTWARE |
491 SOF_TIMESTAMPING_SOFTWARE |
492 SOF_TIMESTAMPING_TX_HARDWARE |
493 SOF_TIMESTAMPING_RX_HARDWARE |
494 SOF_TIMESTAMPING_RAW_HARDWARE;
496 if (pdata->ptp_clock)
497 ts_info->phc_index = ptp_clock_index(pdata->ptp_clock);
499 ts_info->phc_index = -1;
501 ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
502 ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
503 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
504 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
505 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
506 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
507 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
508 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
509 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
510 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
511 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
512 (1 << HWTSTAMP_FILTER_ALL);
517 static const struct ethtool_ops xgbe_ethtool_ops = {
518 .get_settings = xgbe_get_settings,
519 .set_settings = xgbe_set_settings,
520 .get_drvinfo = xgbe_get_drvinfo,
521 .get_link = ethtool_op_get_link,
522 .get_coalesce = xgbe_get_coalesce,
523 .set_coalesce = xgbe_set_coalesce,
524 .get_pauseparam = xgbe_get_pauseparam,
525 .set_pauseparam = xgbe_set_pauseparam,
526 .get_strings = xgbe_get_strings,
527 .get_ethtool_stats = xgbe_get_ethtool_stats,
528 .get_sset_count = xgbe_get_sset_count,
529 .get_ts_info = xgbe_get_ts_info,
532 struct ethtool_ops *xgbe_get_ethtool_ops(void)
534 return (struct ethtool_ops *)&xgbe_ethtool_ops;