1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2007 Freescale Semiconductor, Inc. All rights reserved.
5 * Description: QE UCC Gigabit Ethernet Ethtool API Set
7 * Author: Li Yang <leoli@freescale.com>
10 * Can only get/set settings of the first queue.
11 * Need to re-open the interface manually after changing some parameters.
14 #include <linux/kernel.h>
15 #include <linux/errno.h>
16 #include <linux/stddef.h>
17 #include <linux/interrupt.h>
18 #include <linux/netdevice.h>
19 #include <linux/etherdevice.h>
20 #include <linux/skbuff.h>
21 #include <linux/spinlock.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/ethtool.h>
26 #include <linux/mii.h>
27 #include <linux/phy.h>
31 #include <linux/uaccess.h>
32 #include <asm/types.h>
36 static const char hw_stat_gstrings[][ETH_GSTRING_LEN] = {
45 "tx-multicast-frames",
46 "tx-broadcast-frames",
50 "rx-multicast-frames",
51 "rx-broadcast-frames",
52 "stats-counter-carry",
57 static const char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
58 "tx-single-collision",
59 "tx-multiple-collision",
63 "tx-carrier-sense-errors",
65 "tx-excessive-differ-frames",
68 "tx-1024-1518-frames",
72 static const char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
74 "rx-alignment-errors",
75 "rx-in-range-length-errors",
76 "rx-out-of-range-length-errors",
81 "rx-busy-drop-frames",
84 "rx-mismatch-drop-frames",
88 "rx-1024-1518-frames",
96 "rx-ip-checksum-errors",
99 #define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings)
100 #define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings)
101 #define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings)
104 uec_get_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd)
106 struct ucc_geth_private *ugeth = netdev_priv(netdev);
107 struct phy_device *phydev = ugeth->phydev;
112 phy_ethtool_ksettings_get(phydev, cmd);
118 uec_set_ksettings(struct net_device *netdev,
119 const struct ethtool_link_ksettings *cmd)
121 struct ucc_geth_private *ugeth = netdev_priv(netdev);
122 struct phy_device *phydev = ugeth->phydev;
127 return phy_ethtool_ksettings_set(phydev, cmd);
131 uec_get_pauseparam(struct net_device *netdev,
132 struct ethtool_pauseparam *pause)
134 struct ucc_geth_private *ugeth = netdev_priv(netdev);
136 pause->autoneg = ugeth->phydev->autoneg;
138 if (ugeth->ug_info->receiveFlowControl)
140 if (ugeth->ug_info->transmitFlowControl)
145 uec_set_pauseparam(struct net_device *netdev,
146 struct ethtool_pauseparam *pause)
148 struct ucc_geth_private *ugeth = netdev_priv(netdev);
151 ugeth->ug_info->receiveFlowControl = pause->rx_pause;
152 ugeth->ug_info->transmitFlowControl = pause->tx_pause;
154 if (ugeth->phydev->autoneg) {
155 if (netif_running(netdev)) {
156 /* FIXME: automatically restart */
157 netdev_info(netdev, "Please re-open the interface\n");
160 struct ucc_geth_info *ug_info = ugeth->ug_info;
162 ret = init_flow_control_params(ug_info->aufc,
163 ug_info->receiveFlowControl,
164 ug_info->transmitFlowControl,
165 ug_info->pausePeriod,
166 ug_info->extensionField,
167 &ugeth->uccf->uf_regs->upsmr,
168 &ugeth->ug_regs->uempr,
169 &ugeth->ug_regs->maccfg1);
176 uec_get_msglevel(struct net_device *netdev)
178 struct ucc_geth_private *ugeth = netdev_priv(netdev);
179 return ugeth->msg_enable;
183 uec_set_msglevel(struct net_device *netdev, uint32_t data)
185 struct ucc_geth_private *ugeth = netdev_priv(netdev);
186 ugeth->msg_enable = data;
190 uec_get_regs_len(struct net_device *netdev)
192 return sizeof(struct ucc_geth);
196 uec_get_regs(struct net_device *netdev,
197 struct ethtool_regs *regs, void *p)
200 struct ucc_geth_private *ugeth = netdev_priv(netdev);
201 u32 __iomem *ug_regs = (u32 __iomem *)ugeth->ug_regs;
204 for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++)
205 buff[i] = in_be32(&ug_regs[i]);
209 uec_get_ringparam(struct net_device *netdev,
210 struct ethtool_ringparam *ring)
212 struct ucc_geth_private *ugeth = netdev_priv(netdev);
213 struct ucc_geth_info *ug_info = ugeth->ug_info;
216 ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
217 ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
218 ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
219 ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
221 ring->rx_pending = ug_info->bdRingLenRx[queue];
222 ring->rx_mini_pending = ug_info->bdRingLenRx[queue];
223 ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue];
224 ring->tx_pending = ug_info->bdRingLenTx[queue];
228 uec_set_ringparam(struct net_device *netdev,
229 struct ethtool_ringparam *ring)
231 struct ucc_geth_private *ugeth = netdev_priv(netdev);
232 struct ucc_geth_info *ug_info = ugeth->ug_info;
233 int queue = 0, ret = 0;
235 if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) {
236 netdev_info(netdev, "RxBD ring size must be no smaller than %d\n",
237 UCC_GETH_RX_BD_RING_SIZE_MIN);
240 if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) {
241 netdev_info(netdev, "RxBD ring size must be multiple of %d\n",
242 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT);
245 if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) {
246 netdev_info(netdev, "TxBD ring size must be no smaller than %d\n",
247 UCC_GETH_TX_BD_RING_SIZE_MIN);
251 if (netif_running(netdev))
254 ug_info->bdRingLenRx[queue] = ring->rx_pending;
255 ug_info->bdRingLenTx[queue] = ring->tx_pending;
260 static int uec_get_sset_count(struct net_device *netdev, int sset)
262 struct ucc_geth_private *ugeth = netdev_priv(netdev);
263 u32 stats_mode = ugeth->ug_info->statisticsMode;
268 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE)
269 len += UEC_HW_STATS_LEN;
270 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX)
271 len += UEC_TX_FW_STATS_LEN;
272 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
273 len += UEC_RX_FW_STATS_LEN;
282 static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
284 struct ucc_geth_private *ugeth = netdev_priv(netdev);
285 u32 stats_mode = ugeth->ug_info->statisticsMode;
287 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
288 memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN *
290 buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN;
292 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
293 memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN *
295 buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN;
297 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
298 memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN *
302 static void uec_get_ethtool_stats(struct net_device *netdev,
303 struct ethtool_stats *stats, uint64_t *data)
305 struct ucc_geth_private *ugeth = netdev_priv(netdev);
306 u32 stats_mode = ugeth->ug_info->statisticsMode;
310 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
312 base = (u32 __iomem *)&ugeth->ug_regs->tx64;
316 for (i = 0; i < UEC_HW_STATS_LEN; i++)
317 data[j++] = base ? in_be32(&base[i]) : 0;
319 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
320 base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram;
321 for (i = 0; i < UEC_TX_FW_STATS_LEN; i++)
322 data[j++] = base ? in_be32(&base[i]) : 0;
324 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
325 base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram;
326 for (i = 0; i < UEC_RX_FW_STATS_LEN; i++)
327 data[j++] = base ? in_be32(&base[i]) : 0;
331 /* Report driver information */
333 uec_get_drvinfo(struct net_device *netdev,
334 struct ethtool_drvinfo *drvinfo)
336 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
337 strlcpy(drvinfo->bus_info, "QUICC ENGINE", sizeof(drvinfo->bus_info));
342 static void uec_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
344 struct ucc_geth_private *ugeth = netdev_priv(netdev);
345 struct phy_device *phydev = ugeth->phydev;
347 if (phydev && phydev->irq)
348 wol->supported |= WAKE_PHY;
349 if (qe_alive_during_sleep())
350 wol->supported |= WAKE_MAGIC;
352 wol->wolopts = ugeth->wol_en;
355 static int uec_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
357 struct ucc_geth_private *ugeth = netdev_priv(netdev);
358 struct phy_device *phydev = ugeth->phydev;
360 if (wol->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
362 else if (wol->wolopts & WAKE_PHY && (!phydev || !phydev->irq))
364 else if (wol->wolopts & WAKE_MAGIC && !qe_alive_during_sleep())
367 ugeth->wol_en = wol->wolopts;
368 device_set_wakeup_enable(&netdev->dev, ugeth->wol_en);
374 #define uec_get_wol NULL
375 #define uec_set_wol NULL
376 #endif /* CONFIG_PM */
378 static const struct ethtool_ops uec_ethtool_ops = {
379 .get_drvinfo = uec_get_drvinfo,
380 .get_regs_len = uec_get_regs_len,
381 .get_regs = uec_get_regs,
382 .get_msglevel = uec_get_msglevel,
383 .set_msglevel = uec_set_msglevel,
384 .nway_reset = phy_ethtool_nway_reset,
385 .get_link = ethtool_op_get_link,
386 .get_ringparam = uec_get_ringparam,
387 .set_ringparam = uec_set_ringparam,
388 .get_pauseparam = uec_get_pauseparam,
389 .set_pauseparam = uec_set_pauseparam,
390 .get_sset_count = uec_get_sset_count,
391 .get_strings = uec_get_strings,
392 .get_ethtool_stats = uec_get_ethtool_stats,
393 .get_wol = uec_get_wol,
394 .set_wol = uec_set_wol,
395 .get_ts_info = ethtool_op_get_ts_info,
396 .get_link_ksettings = uec_get_ksettings,
397 .set_link_ksettings = uec_set_ksettings,
400 void uec_set_ethtool_ops(struct net_device *netdev)
402 netdev->ethtool_ops = &uec_ethtool_ops;