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20#include <linux/ethtool.h>
21#include "xgene_enet_main.h"
22
23struct xgene_gstrings_stats {
24 char name[ETH_GSTRING_LEN];
25 int offset;
26 u32 addr;
27 u32 mask;
28};
29
30#define XGENE_STAT(m) { #m, offsetof(struct rtnl_link_stats64, m) }
31#define XGENE_EXTD_STAT(s, a, m) \
32 { \
33 .name = #s, \
34 .addr = a ## _ADDR, \
35 .mask = m \
36 }
37
38static const struct xgene_gstrings_stats gstrings_stats[] = {
39 XGENE_STAT(rx_packets),
40 XGENE_STAT(tx_packets),
41 XGENE_STAT(rx_bytes),
42 XGENE_STAT(tx_bytes),
43 XGENE_STAT(rx_errors),
44 XGENE_STAT(tx_errors),
45 XGENE_STAT(rx_length_errors),
46 XGENE_STAT(rx_crc_errors),
47 XGENE_STAT(rx_frame_errors),
48 XGENE_STAT(rx_fifo_errors)
49};
50
51static const struct xgene_gstrings_stats gstrings_extd_stats[] = {
52 XGENE_EXTD_STAT(tx_rx_64b_frame_cntr, TR64, 31),
53 XGENE_EXTD_STAT(tx_rx_127b_frame_cntr, TR127, 31),
54 XGENE_EXTD_STAT(tx_rx_255b_frame_cntr, TR255, 31),
55 XGENE_EXTD_STAT(tx_rx_511b_frame_cntr, TR511, 31),
56 XGENE_EXTD_STAT(tx_rx_1023b_frame_cntr, TR1K, 31),
57 XGENE_EXTD_STAT(tx_rx_1518b_frame_cntr, TRMAX, 31),
58 XGENE_EXTD_STAT(tx_rx_1522b_frame_cntr, TRMGV, 31),
59 XGENE_EXTD_STAT(rx_fcs_error_cntr, RFCS, 16),
60 XGENE_EXTD_STAT(rx_multicast_pkt_cntr, RMCA, 31),
61 XGENE_EXTD_STAT(rx_broadcast_pkt_cntr, RBCA, 31),
62 XGENE_EXTD_STAT(rx_ctrl_frame_pkt_cntr, RXCF, 16),
63 XGENE_EXTD_STAT(rx_pause_frame_pkt_cntr, RXPF, 16),
64 XGENE_EXTD_STAT(rx_unk_opcode_cntr, RXUO, 16),
65 XGENE_EXTD_STAT(rx_align_err_cntr, RALN, 16),
66 XGENE_EXTD_STAT(rx_frame_len_err_cntr, RFLR, 16),
67 XGENE_EXTD_STAT(rx_frame_len_err_recov_cntr, DUMP, 0),
68 XGENE_EXTD_STAT(rx_code_err_cntr, RCDE, 16),
69 XGENE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE, 16),
70 XGENE_EXTD_STAT(rx_undersize_pkt_cntr, RUND, 16),
71 XGENE_EXTD_STAT(rx_oversize_pkt_cntr, ROVR, 16),
72 XGENE_EXTD_STAT(rx_fragments_cntr, RFRG, 16),
73 XGENE_EXTD_STAT(rx_jabber_cntr, RJBR, 16),
74 XGENE_EXTD_STAT(rx_jabber_recov_cntr, DUMP, 0),
75 XGENE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP, 16),
76 XGENE_EXTD_STAT(rx_overrun_cntr, DUMP, 0),
77 XGENE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA, 31),
78 XGENE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA, 31),
79 XGENE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF, 16),
80 XGENE_EXTD_STAT(tx_defer_pkt_cntr, TDFR, 31),
81 XGENE_EXTD_STAT(tx_excv_defer_pkt_cntr, TEDF, 31),
82 XGENE_EXTD_STAT(tx_single_col_pkt_cntr, TSCL, 31),
83 XGENE_EXTD_STAT(tx_multi_col_pkt_cntr, TMCL, 31),
84 XGENE_EXTD_STAT(tx_late_col_pkt_cntr, TLCL, 31),
85 XGENE_EXTD_STAT(tx_excv_col_pkt_cntr, TXCL, 31),
86 XGENE_EXTD_STAT(tx_total_col_cntr, TNCL, 31),
87 XGENE_EXTD_STAT(tx_pause_frames_hnrd_cntr, TPFH, 16),
88 XGENE_EXTD_STAT(tx_drop_frame_cntr, TDRP, 16),
89 XGENE_EXTD_STAT(tx_jabber_frame_cntr, TJBR, 12),
90 XGENE_EXTD_STAT(tx_fcs_error_cntr, TFCS, 12),
91 XGENE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF, 12),
92 XGENE_EXTD_STAT(tx_oversize_frame_cntr, TOVR, 12),
93 XGENE_EXTD_STAT(tx_undersize_frame_cntr, TUND, 12),
94 XGENE_EXTD_STAT(tx_fragments_cntr, TFRG, 12),
95 XGENE_EXTD_STAT(tx_underrun_cntr, DUMP, 0)
96};
97
98#define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats)
99#define XGENE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats)
100#define RFCS_IDX 7
101#define RALN_IDX 13
102#define RFLR_IDX 14
103#define FALSE_RFLR_IDX 15
104#define RUND_IDX 18
105#define FALSE_RJBR_IDX 22
106#define RX_OVERRUN_IDX 24
107#define TFCS_IDX 38
108#define TFRG_IDX 42
109#define TX_UNDERRUN_IDX 43
110
111static void xgene_get_drvinfo(struct net_device *ndev,
112 struct ethtool_drvinfo *info)
113{
114 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
115 struct platform_device *pdev = pdata->pdev;
116
117 strcpy(info->driver, "xgene_enet");
118 strcpy(info->version, XGENE_DRV_VERSION);
119 snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A");
120 sprintf(info->bus_info, "%s", pdev->name);
121}
122
123static int xgene_get_link_ksettings(struct net_device *ndev,
124 struct ethtool_link_ksettings *cmd)
125{
126 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
127 struct phy_device *phydev = ndev->phydev;
128 u32 supported;
129
130 if (phy_interface_mode_is_rgmii(pdata->phy_mode)) {
131 if (phydev == NULL)
132 return -ENODEV;
133
134 phy_ethtool_ksettings_get(phydev, cmd);
135
136 return 0;
137 } else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
138 if (pdata->mdio_driver) {
139 if (!phydev)
140 return -ENODEV;
141
142 phy_ethtool_ksettings_get(phydev, cmd);
143
144 return 0;
145 }
146
147 supported = SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg |
148 SUPPORTED_MII;
149 ethtool_convert_legacy_u32_to_link_mode(
150 cmd->link_modes.supported,
151 supported);
152 ethtool_convert_legacy_u32_to_link_mode(
153 cmd->link_modes.advertising,
154 supported);
155
156 cmd->base.speed = SPEED_1000;
157 cmd->base.duplex = DUPLEX_FULL;
158 cmd->base.port = PORT_MII;
159 cmd->base.autoneg = AUTONEG_ENABLE;
160 } else {
161 supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
162 ethtool_convert_legacy_u32_to_link_mode(
163 cmd->link_modes.supported,
164 supported);
165 ethtool_convert_legacy_u32_to_link_mode(
166 cmd->link_modes.advertising,
167 supported);
168
169 cmd->base.speed = SPEED_10000;
170 cmd->base.duplex = DUPLEX_FULL;
171 cmd->base.port = PORT_FIBRE;
172 cmd->base.autoneg = AUTONEG_DISABLE;
173 }
174
175 return 0;
176}
177
178static int xgene_set_link_ksettings(struct net_device *ndev,
179 const struct ethtool_link_ksettings *cmd)
180{
181 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
182 struct phy_device *phydev = ndev->phydev;
183
184 if (phy_interface_mode_is_rgmii(pdata->phy_mode)) {
185 if (!phydev)
186 return -ENODEV;
187
188 return phy_ethtool_ksettings_set(phydev, cmd);
189 }
190
191 if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
192 if (pdata->mdio_driver) {
193 if (!phydev)
194 return -ENODEV;
195
196 return phy_ethtool_ksettings_set(phydev, cmd);
197 }
198 }
199
200 return -EINVAL;
201}
202
203static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
204{
205 int i;
206 u8 *p = data;
207
208 if (stringset != ETH_SS_STATS)
209 return;
210
211 for (i = 0; i < XGENE_STATS_LEN; i++) {
212 memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN);
213 p += ETH_GSTRING_LEN;
214 }
215
216 for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) {
217 memcpy(p, gstrings_extd_stats[i].name, ETH_GSTRING_LEN);
218 p += ETH_GSTRING_LEN;
219 }
220}
221
222static int xgene_get_sset_count(struct net_device *ndev, int sset)
223{
224 if (sset != ETH_SS_STATS)
225 return -EINVAL;
226
227 return XGENE_STATS_LEN + XGENE_EXTD_STATS_LEN;
228}
229
230static void xgene_get_extd_stats(struct xgene_enet_pdata *pdata)
231{
232 u32 rx_drop, tx_drop;
233 u32 mask, tmp;
234 int i;
235
236 for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) {
237 tmp = xgene_enet_rd_stat(pdata, gstrings_extd_stats[i].addr);
238 if (gstrings_extd_stats[i].mask) {
239 mask = GENMASK(gstrings_extd_stats[i].mask - 1, 0);
240 pdata->extd_stats[i] += (tmp & mask);
241 }
242 }
243
244 if (pdata->phy_mode == PHY_INTERFACE_MODE_XGMII) {
245
246 pdata->extd_stats[RALN_IDX] = 0;
247 } else {
248
249 pdata->extd_stats[RFCS_IDX] -= pdata->extd_stats[RALN_IDX];
250 pdata->extd_stats[RFLR_IDX] -= pdata->extd_stats[RUND_IDX];
251 pdata->extd_stats[TFCS_IDX] -= pdata->extd_stats[TFRG_IDX];
252 }
253
254 pdata->mac_ops->get_drop_cnt(pdata, &rx_drop, &tx_drop);
255 pdata->extd_stats[RX_OVERRUN_IDX] += rx_drop;
256 pdata->extd_stats[TX_UNDERRUN_IDX] += tx_drop;
257
258
259 pdata->extd_stats[FALSE_RFLR_IDX] = pdata->false_rflr;
260
261 pdata->extd_stats[FALSE_RJBR_IDX] = pdata->vlan_rjbr;
262}
263
264int xgene_extd_stats_init(struct xgene_enet_pdata *pdata)
265{
266 pdata->extd_stats = devm_kmalloc_array(&pdata->pdev->dev,
267 XGENE_EXTD_STATS_LEN, sizeof(u64), GFP_KERNEL);
268 if (!pdata->extd_stats)
269 return -ENOMEM;
270
271 xgene_get_extd_stats(pdata);
272 memset(pdata->extd_stats, 0, XGENE_EXTD_STATS_LEN * sizeof(u64));
273
274 return 0;
275}
276
277static void xgene_get_ethtool_stats(struct net_device *ndev,
278 struct ethtool_stats *dummy,
279 u64 *data)
280{
281 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
282 struct rtnl_link_stats64 stats;
283 int i;
284
285 dev_get_stats(ndev, &stats);
286 for (i = 0; i < XGENE_STATS_LEN; i++)
287 data[i] = *(u64 *)((char *)&stats + gstrings_stats[i].offset);
288
289 xgene_get_extd_stats(pdata);
290 for (i = 0; i < XGENE_EXTD_STATS_LEN; i++)
291 data[i + XGENE_STATS_LEN] = pdata->extd_stats[i];
292}
293
294static void xgene_get_pauseparam(struct net_device *ndev,
295 struct ethtool_pauseparam *pp)
296{
297 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
298
299 pp->autoneg = pdata->pause_autoneg;
300 pp->tx_pause = pdata->tx_pause;
301 pp->rx_pause = pdata->rx_pause;
302}
303
304static int xgene_set_pauseparam(struct net_device *ndev,
305 struct ethtool_pauseparam *pp)
306{
307 struct xgene_enet_pdata *pdata = netdev_priv(ndev);
308 struct phy_device *phydev = ndev->phydev;
309 u32 oldadv, newadv;
310
311 if (phy_interface_mode_is_rgmii(pdata->phy_mode) ||
312 pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
313 if (!phydev)
314 return -EINVAL;
315
316 if (!(phydev->supported & SUPPORTED_Pause) ||
317 (!(phydev->supported & SUPPORTED_Asym_Pause) &&
318 pp->rx_pause != pp->tx_pause))
319 return -EINVAL;
320
321 pdata->pause_autoneg = pp->autoneg;
322 pdata->tx_pause = pp->tx_pause;
323 pdata->rx_pause = pp->rx_pause;
324
325 oldadv = phydev->advertising;
326 newadv = oldadv & ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
327
328 if (pp->rx_pause)
329 newadv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
330
331 if (pp->tx_pause)
332 newadv ^= ADVERTISED_Asym_Pause;
333
334 if (oldadv ^ newadv) {
335 phydev->advertising = newadv;
336
337 if (phydev->autoneg)
338 return phy_start_aneg(phydev);
339
340 if (!pp->autoneg) {
341 pdata->mac_ops->flowctl_tx(pdata,
342 pdata->tx_pause);
343 pdata->mac_ops->flowctl_rx(pdata,
344 pdata->rx_pause);
345 }
346 }
347
348 } else {
349 if (pp->autoneg)
350 return -EINVAL;
351
352 pdata->tx_pause = pp->tx_pause;
353 pdata->rx_pause = pp->rx_pause;
354
355 pdata->mac_ops->flowctl_tx(pdata, pdata->tx_pause);
356 pdata->mac_ops->flowctl_rx(pdata, pdata->rx_pause);
357 }
358
359 return 0;
360}
361
362static const struct ethtool_ops xgene_ethtool_ops = {
363 .get_drvinfo = xgene_get_drvinfo,
364 .get_link = ethtool_op_get_link,
365 .get_strings = xgene_get_strings,
366 .get_sset_count = xgene_get_sset_count,
367 .get_ethtool_stats = xgene_get_ethtool_stats,
368 .get_link_ksettings = xgene_get_link_ksettings,
369 .set_link_ksettings = xgene_set_link_ksettings,
370 .get_pauseparam = xgene_get_pauseparam,
371 .set_pauseparam = xgene_set_pauseparam
372};
373
374void xgene_enet_set_ethtool_ops(struct net_device *ndev)
375{
376 ndev->ethtool_ops = &xgene_ethtool_ops;
377}
378
