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1 #include <linux/kernel.h>
2 #include <linux/init.h>
3 #include <linux/types.h>
4 #include <linux/module.h>
5 #include <linux/list.h>
6 #include <linux/pci.h>
7 #include <linux/dma-mapping.h>
8 #include <linux/pagemap.h>
9 #include <linux/sched.h>
10 #include <linux/dmapool.h>
11 #include <linux/mempool.h>
12 #include <linux/spinlock.h>
13 #include <linux/kthread.h>
14 #include <linux/interrupt.h>
15 #include <linux/errno.h>
16 #include <linux/ioport.h>
17 #include <linux/in.h>
18 #include <linux/ip.h>
19 #include <linux/ipv6.h>
20 #include <net/ipv6.h>
21 #include <linux/tcp.h>
22 #include <linux/udp.h>
23 #include <linux/if_arp.h>
24 #include <linux/if_ether.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/ethtool.h>
28 #include <linux/skbuff.h>
29 #include <linux/rtnetlink.h>
30 #include <linux/if_vlan.h>
31 #include <linux/delay.h>
32 #include <linux/mm.h>
33 #include <linux/vmalloc.h>
34 
35 
36 #include "qlge.h"
37 
38 struct ql_stats {
39 	char stat_string[ETH_GSTRING_LEN];
40 	int sizeof_stat;
41 	int stat_offset;
42 };
43 
44 #define QL_SIZEOF(m) FIELD_SIZEOF(struct ql_adapter, m)
45 #define QL_OFF(m) offsetof(struct ql_adapter, m)
46 
47 static const struct ql_stats ql_gstrings_stats[] = {
48 	{"tx_pkts", QL_SIZEOF(nic_stats.tx_pkts), QL_OFF(nic_stats.tx_pkts)},
49 	{"tx_bytes", QL_SIZEOF(nic_stats.tx_bytes), QL_OFF(nic_stats.tx_bytes)},
50 	{"tx_mcast_pkts", QL_SIZEOF(nic_stats.tx_mcast_pkts),
51 					QL_OFF(nic_stats.tx_mcast_pkts)},
52 	{"tx_bcast_pkts", QL_SIZEOF(nic_stats.tx_bcast_pkts),
53 					QL_OFF(nic_stats.tx_bcast_pkts)},
54 	{"tx_ucast_pkts", QL_SIZEOF(nic_stats.tx_ucast_pkts),
55 					QL_OFF(nic_stats.tx_ucast_pkts)},
56 	{"tx_ctl_pkts", QL_SIZEOF(nic_stats.tx_ctl_pkts),
57 					QL_OFF(nic_stats.tx_ctl_pkts)},
58 	{"tx_pause_pkts", QL_SIZEOF(nic_stats.tx_pause_pkts),
59 					QL_OFF(nic_stats.tx_pause_pkts)},
60 	{"tx_64_pkts", QL_SIZEOF(nic_stats.tx_64_pkt),
61 					QL_OFF(nic_stats.tx_64_pkt)},
62 	{"tx_65_to_127_pkts", QL_SIZEOF(nic_stats.tx_65_to_127_pkt),
63 					QL_OFF(nic_stats.tx_65_to_127_pkt)},
64 	{"tx_128_to_255_pkts", QL_SIZEOF(nic_stats.tx_128_to_255_pkt),
65 					QL_OFF(nic_stats.tx_128_to_255_pkt)},
66 	{"tx_256_511_pkts", QL_SIZEOF(nic_stats.tx_256_511_pkt),
67 					QL_OFF(nic_stats.tx_256_511_pkt)},
68 	{"tx_512_to_1023_pkts",	QL_SIZEOF(nic_stats.tx_512_to_1023_pkt),
69 					QL_OFF(nic_stats.tx_512_to_1023_pkt)},
70 	{"tx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.tx_1024_to_1518_pkt),
71 					QL_OFF(nic_stats.tx_1024_to_1518_pkt)},
72 	{"tx_1519_to_max_pkts",	QL_SIZEOF(nic_stats.tx_1519_to_max_pkt),
73 					QL_OFF(nic_stats.tx_1519_to_max_pkt)},
74 	{"tx_undersize_pkts", QL_SIZEOF(nic_stats.tx_undersize_pkt),
75 					QL_OFF(nic_stats.tx_undersize_pkt)},
76 	{"tx_oversize_pkts", QL_SIZEOF(nic_stats.tx_oversize_pkt),
77 					QL_OFF(nic_stats.tx_oversize_pkt)},
78 	{"rx_bytes", QL_SIZEOF(nic_stats.rx_bytes), QL_OFF(nic_stats.rx_bytes)},
79 	{"rx_bytes_ok",	QL_SIZEOF(nic_stats.rx_bytes_ok),
80 					QL_OFF(nic_stats.rx_bytes_ok)},
81 	{"rx_pkts", QL_SIZEOF(nic_stats.rx_pkts), QL_OFF(nic_stats.rx_pkts)},
82 	{"rx_pkts_ok", QL_SIZEOF(nic_stats.rx_pkts_ok),
83 					QL_OFF(nic_stats.rx_pkts_ok)},
84 	{"rx_bcast_pkts", QL_SIZEOF(nic_stats.rx_bcast_pkts),
85 					QL_OFF(nic_stats.rx_bcast_pkts)},
86 	{"rx_mcast_pkts", QL_SIZEOF(nic_stats.rx_mcast_pkts),
87 					QL_OFF(nic_stats.rx_mcast_pkts)},
88 	{"rx_ucast_pkts", QL_SIZEOF(nic_stats.rx_ucast_pkts),
89 					QL_OFF(nic_stats.rx_ucast_pkts)},
90 	{"rx_undersize_pkts", QL_SIZEOF(nic_stats.rx_undersize_pkts),
91 					QL_OFF(nic_stats.rx_undersize_pkts)},
92 	{"rx_oversize_pkts", QL_SIZEOF(nic_stats.rx_oversize_pkts),
93 					QL_OFF(nic_stats.rx_oversize_pkts)},
94 	{"rx_jabber_pkts", QL_SIZEOF(nic_stats.rx_jabber_pkts),
95 					QL_OFF(nic_stats.rx_jabber_pkts)},
96 	{"rx_undersize_fcerr_pkts",
97 		QL_SIZEOF(nic_stats.rx_undersize_fcerr_pkts),
98 				QL_OFF(nic_stats.rx_undersize_fcerr_pkts)},
99 	{"rx_drop_events", QL_SIZEOF(nic_stats.rx_drop_events),
100 					QL_OFF(nic_stats.rx_drop_events)},
101 	{"rx_fcerr_pkts", QL_SIZEOF(nic_stats.rx_fcerr_pkts),
102 					QL_OFF(nic_stats.rx_fcerr_pkts)},
103 	{"rx_align_err", QL_SIZEOF(nic_stats.rx_align_err),
104 					QL_OFF(nic_stats.rx_align_err)},
105 	{"rx_symbol_err", QL_SIZEOF(nic_stats.rx_symbol_err),
106 					QL_OFF(nic_stats.rx_symbol_err)},
107 	{"rx_mac_err", QL_SIZEOF(nic_stats.rx_mac_err),
108 					QL_OFF(nic_stats.rx_mac_err)},
109 	{"rx_ctl_pkts",	QL_SIZEOF(nic_stats.rx_ctl_pkts),
110 					QL_OFF(nic_stats.rx_ctl_pkts)},
111 	{"rx_pause_pkts", QL_SIZEOF(nic_stats.rx_pause_pkts),
112 					QL_OFF(nic_stats.rx_pause_pkts)},
113 	{"rx_64_pkts", QL_SIZEOF(nic_stats.rx_64_pkts),
114 					QL_OFF(nic_stats.rx_64_pkts)},
115 	{"rx_65_to_127_pkts", QL_SIZEOF(nic_stats.rx_65_to_127_pkts),
116 					QL_OFF(nic_stats.rx_65_to_127_pkts)},
117 	{"rx_128_255_pkts", QL_SIZEOF(nic_stats.rx_128_255_pkts),
118 					QL_OFF(nic_stats.rx_128_255_pkts)},
119 	{"rx_256_511_pkts", QL_SIZEOF(nic_stats.rx_256_511_pkts),
120 					QL_OFF(nic_stats.rx_256_511_pkts)},
121 	{"rx_512_to_1023_pkts",	QL_SIZEOF(nic_stats.rx_512_to_1023_pkts),
122 					QL_OFF(nic_stats.rx_512_to_1023_pkts)},
123 	{"rx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.rx_1024_to_1518_pkts),
124 					QL_OFF(nic_stats.rx_1024_to_1518_pkts)},
125 	{"rx_1519_to_max_pkts",	QL_SIZEOF(nic_stats.rx_1519_to_max_pkts),
126 					QL_OFF(nic_stats.rx_1519_to_max_pkts)},
127 	{"rx_len_err_pkts", QL_SIZEOF(nic_stats.rx_len_err_pkts),
128 					QL_OFF(nic_stats.rx_len_err_pkts)},
129 	{"rx_code_err",	QL_SIZEOF(nic_stats.rx_code_err),
130 					QL_OFF(nic_stats.rx_code_err)},
131 	{"rx_oversize_err", QL_SIZEOF(nic_stats.rx_oversize_err),
132 					QL_OFF(nic_stats.rx_oversize_err)},
133 	{"rx_undersize_err", QL_SIZEOF(nic_stats.rx_undersize_err),
134 					QL_OFF(nic_stats.rx_undersize_err)},
135 	{"rx_preamble_err", QL_SIZEOF(nic_stats.rx_preamble_err),
136 					QL_OFF(nic_stats.rx_preamble_err)},
137 	{"rx_frame_len_err", QL_SIZEOF(nic_stats.rx_frame_len_err),
138 					QL_OFF(nic_stats.rx_frame_len_err)},
139 	{"rx_crc_err", QL_SIZEOF(nic_stats.rx_crc_err),
140 					QL_OFF(nic_stats.rx_crc_err)},
141 	{"rx_err_count", QL_SIZEOF(nic_stats.rx_err_count),
142 					QL_OFF(nic_stats.rx_err_count)},
143 	{"tx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames0),
144 				QL_OFF(nic_stats.tx_cbfc_pause_frames0)},
145 	{"tx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames1),
146 				QL_OFF(nic_stats.tx_cbfc_pause_frames1)},
147 	{"tx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames2),
148 				QL_OFF(nic_stats.tx_cbfc_pause_frames2)},
149 	{"tx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames3),
150 				QL_OFF(nic_stats.tx_cbfc_pause_frames3)},
151 	{"tx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames4),
152 				QL_OFF(nic_stats.tx_cbfc_pause_frames4)},
153 	{"tx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames5),
154 				QL_OFF(nic_stats.tx_cbfc_pause_frames5)},
155 	{"tx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames6),
156 				QL_OFF(nic_stats.tx_cbfc_pause_frames6)},
157 	{"tx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames7),
158 				QL_OFF(nic_stats.tx_cbfc_pause_frames7)},
159 	{"rx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames0),
160 				QL_OFF(nic_stats.rx_cbfc_pause_frames0)},
161 	{"rx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames1),
162 				QL_OFF(nic_stats.rx_cbfc_pause_frames1)},
163 	{"rx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames2),
164 				QL_OFF(nic_stats.rx_cbfc_pause_frames2)},
165 	{"rx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames3),
166 				QL_OFF(nic_stats.rx_cbfc_pause_frames3)},
167 	{"rx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames4),
168 				QL_OFF(nic_stats.rx_cbfc_pause_frames4)},
169 	{"rx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames5),
170 				QL_OFF(nic_stats.rx_cbfc_pause_frames5)},
171 	{"rx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames6),
172 				QL_OFF(nic_stats.rx_cbfc_pause_frames6)},
173 	{"rx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames7),
174 				QL_OFF(nic_stats.rx_cbfc_pause_frames7)},
175 	{"rx_nic_fifo_drop", QL_SIZEOF(nic_stats.rx_nic_fifo_drop),
176 					QL_OFF(nic_stats.rx_nic_fifo_drop)},
177 };
178 
179 static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
180 	"Loopback test  (offline)"
181 };
182 #define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)
183 #define QLGE_STATS_LEN ARRAY_SIZE(ql_gstrings_stats)
184 
ql_update_ring_coalescing(struct ql_adapter * qdev)185 static int ql_update_ring_coalescing(struct ql_adapter *qdev)
186 {
187 	int i, status = 0;
188 	struct rx_ring *rx_ring;
189 	struct cqicb *cqicb;
190 
191 	if (!netif_running(qdev->ndev))
192 		return status;
193 
194 	/* Skip the default queue, and update the outbound handler
195 	 * queues if they changed.
196 	 */
197 	cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
198 	if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
199 		le16_to_cpu(cqicb->pkt_delay) !=
200 				qdev->tx_max_coalesced_frames) {
201 		for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
202 			rx_ring = &qdev->rx_ring[i];
203 			cqicb = (struct cqicb *)rx_ring;
204 			cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
205 			cqicb->pkt_delay =
206 			    cpu_to_le16(qdev->tx_max_coalesced_frames);
207 			cqicb->flags = FLAGS_LI;
208 			status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
209 						CFG_LCQ, rx_ring->cq_id);
210 			if (status) {
211 				netif_err(qdev, ifup, qdev->ndev,
212 					  "Failed to load CQICB.\n");
213 				goto exit;
214 			}
215 		}
216 	}
217 
218 	/* Update the inbound (RSS) handler queues if they changed. */
219 	cqicb = (struct cqicb *)&qdev->rx_ring[0];
220 	if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
221 		le16_to_cpu(cqicb->pkt_delay) !=
222 					qdev->rx_max_coalesced_frames) {
223 		for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
224 			rx_ring = &qdev->rx_ring[i];
225 			cqicb = (struct cqicb *)rx_ring;
226 			cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
227 			cqicb->pkt_delay =
228 			    cpu_to_le16(qdev->rx_max_coalesced_frames);
229 			cqicb->flags = FLAGS_LI;
230 			status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
231 						CFG_LCQ, rx_ring->cq_id);
232 			if (status) {
233 				netif_err(qdev, ifup, qdev->ndev,
234 					  "Failed to load CQICB.\n");
235 				goto exit;
236 			}
237 		}
238 	}
239 exit:
240 	return status;
241 }
242 
ql_update_stats(struct ql_adapter * qdev)243 static void ql_update_stats(struct ql_adapter *qdev)
244 {
245 	u32 i;
246 	u64 data;
247 	u64 *iter = &qdev->nic_stats.tx_pkts;
248 
249 	spin_lock(&qdev->stats_lock);
250 	if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
251 			netif_err(qdev, drv, qdev->ndev,
252 				  "Couldn't get xgmac sem.\n");
253 		goto quit;
254 	}
255 	/*
256 	 * Get TX statistics.
257 	 */
258 	for (i = 0x200; i < 0x280; i += 8) {
259 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
260 			netif_err(qdev, drv, qdev->ndev,
261 				  "Error reading status register 0x%.04x.\n",
262 				  i);
263 			goto end;
264 		} else
265 			*iter = data;
266 		iter++;
267 	}
268 
269 	/*
270 	 * Get RX statistics.
271 	 */
272 	for (i = 0x300; i < 0x3d0; i += 8) {
273 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
274 			netif_err(qdev, drv, qdev->ndev,
275 				  "Error reading status register 0x%.04x.\n",
276 				  i);
277 			goto end;
278 		} else
279 			*iter = data;
280 		iter++;
281 	}
282 
283 	/*
284 	 * Get Per-priority TX pause frame counter statistics.
285 	 */
286 	for (i = 0x500; i < 0x540; i += 8) {
287 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
288 			netif_err(qdev, drv, qdev->ndev,
289 				  "Error reading status register 0x%.04x.\n",
290 				  i);
291 			goto end;
292 		} else
293 			*iter = data;
294 		iter++;
295 	}
296 
297 	/*
298 	 * Get Per-priority RX pause frame counter statistics.
299 	 */
300 	for (i = 0x568; i < 0x5a8; i += 8) {
301 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
302 			netif_err(qdev, drv, qdev->ndev,
303 				  "Error reading status register 0x%.04x.\n",
304 				  i);
305 			goto end;
306 		} else
307 			*iter = data;
308 		iter++;
309 	}
310 
311 	/*
312 	 * Get RX NIC FIFO DROP statistics.
313 	 */
314 	if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
315 		netif_err(qdev, drv, qdev->ndev,
316 			  "Error reading status register 0x%.04x.\n", i);
317 		goto end;
318 	} else
319 		*iter = data;
320 end:
321 	ql_sem_unlock(qdev, qdev->xg_sem_mask);
322 quit:
323 	spin_unlock(&qdev->stats_lock);
324 
325 	QL_DUMP_STAT(qdev);
326 }
327 
ql_get_strings(struct net_device * dev,u32 stringset,u8 * buf)328 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
329 {
330 	int index;
331 	switch (stringset) {
332 	case ETH_SS_TEST:
333 		memcpy(buf, *ql_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN);
334 		break;
335 	case ETH_SS_STATS:
336 		for (index = 0; index < QLGE_STATS_LEN; index++) {
337 			memcpy(buf + index * ETH_GSTRING_LEN,
338 				ql_gstrings_stats[index].stat_string,
339 				ETH_GSTRING_LEN);
340 		}
341 		break;
342 	}
343 }
344 
ql_get_sset_count(struct net_device * dev,int sset)345 static int ql_get_sset_count(struct net_device *dev, int sset)
346 {
347 	switch (sset) {
348 	case ETH_SS_TEST:
349 		return QLGE_TEST_LEN;
350 	case ETH_SS_STATS:
351 		return QLGE_STATS_LEN;
352 	default:
353 		return -EOPNOTSUPP;
354 	}
355 }
356 
357 static void
ql_get_ethtool_stats(struct net_device * ndev,struct ethtool_stats * stats,u64 * data)358 ql_get_ethtool_stats(struct net_device *ndev,
359 		     struct ethtool_stats *stats, u64 *data)
360 {
361 	struct ql_adapter *qdev = netdev_priv(ndev);
362 	int index, length;
363 
364 	length = QLGE_STATS_LEN;
365 	ql_update_stats(qdev);
366 
367 	for (index = 0; index < length; index++) {
368 		char *p = (char *)qdev +
369 			ql_gstrings_stats[index].stat_offset;
370 		*data++ = (ql_gstrings_stats[index].sizeof_stat ==
371 			sizeof(u64)) ? *(u64 *)p : (*(u32 *)p);
372 	}
373 }
374 
ql_get_settings(struct net_device * ndev,struct ethtool_cmd * ecmd)375 static int ql_get_settings(struct net_device *ndev,
376 			      struct ethtool_cmd *ecmd)
377 {
378 	struct ql_adapter *qdev = netdev_priv(ndev);
379 
380 	ecmd->supported = SUPPORTED_10000baseT_Full;
381 	ecmd->advertising = ADVERTISED_10000baseT_Full;
382 	ecmd->transceiver = XCVR_EXTERNAL;
383 	if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
384 				STS_LINK_TYPE_10GBASET) {
385 		ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
386 		ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
387 		ecmd->port = PORT_TP;
388 		ecmd->autoneg = AUTONEG_ENABLE;
389 	} else {
390 		ecmd->supported |= SUPPORTED_FIBRE;
391 		ecmd->advertising |= ADVERTISED_FIBRE;
392 		ecmd->port = PORT_FIBRE;
393 	}
394 
395 	ethtool_cmd_speed_set(ecmd, SPEED_10000);
396 	ecmd->duplex = DUPLEX_FULL;
397 
398 	return 0;
399 }
400 
ql_get_drvinfo(struct net_device * ndev,struct ethtool_drvinfo * drvinfo)401 static void ql_get_drvinfo(struct net_device *ndev,
402 			   struct ethtool_drvinfo *drvinfo)
403 {
404 	struct ql_adapter *qdev = netdev_priv(ndev);
405 	strlcpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
406 	strlcpy(drvinfo->version, qlge_driver_version,
407 		sizeof(drvinfo->version));
408 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
409 		 "v%d.%d.%d",
410 		 (qdev->fw_rev_id & 0x00ff0000) >> 16,
411 		 (qdev->fw_rev_id & 0x0000ff00) >> 8,
412 		 (qdev->fw_rev_id & 0x000000ff));
413 	strlcpy(drvinfo->bus_info, pci_name(qdev->pdev),
414 		sizeof(drvinfo->bus_info));
415 	drvinfo->n_stats = 0;
416 	drvinfo->testinfo_len = 0;
417 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
418 		drvinfo->regdump_len = sizeof(struct ql_mpi_coredump);
419 	else
420 		drvinfo->regdump_len = sizeof(struct ql_reg_dump);
421 	drvinfo->eedump_len = 0;
422 }
423 
ql_get_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)424 static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
425 {
426 	struct ql_adapter *qdev = netdev_priv(ndev);
427 	unsigned short ssys_dev = qdev->pdev->subsystem_device;
428 
429 	/* WOL is only supported for mezz card. */
430 	if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 ||
431 			ssys_dev == QLGE_MEZZ_SSYS_ID_180) {
432 		wol->supported = WAKE_MAGIC;
433 		wol->wolopts = qdev->wol;
434 	}
435 }
436 
ql_set_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)437 static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
438 {
439 	struct ql_adapter *qdev = netdev_priv(ndev);
440 	unsigned short ssys_dev = qdev->pdev->subsystem_device;
441 
442 	/* WOL is only supported for mezz card. */
443 	if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 &&
444 			ssys_dev != QLGE_MEZZ_SSYS_ID_180) {
445 		netif_info(qdev, drv, qdev->ndev,
446 				"WOL is only supported for mezz card\n");
447 		return -EOPNOTSUPP;
448 	}
449 	if (wol->wolopts & ~WAKE_MAGIC)
450 		return -EINVAL;
451 	qdev->wol = wol->wolopts;
452 
453 	netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
454 	return 0;
455 }
456 
ql_set_phys_id(struct net_device * ndev,enum ethtool_phys_id_state state)457 static int ql_set_phys_id(struct net_device *ndev,
458 			  enum ethtool_phys_id_state state)
459 
460 {
461 	struct ql_adapter *qdev = netdev_priv(ndev);
462 
463 	switch (state) {
464 	case ETHTOOL_ID_ACTIVE:
465 		/* Save the current LED settings */
466 		if (ql_mb_get_led_cfg(qdev))
467 			return -EIO;
468 
469 		/* Start blinking */
470 		ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
471 		return 0;
472 
473 	case ETHTOOL_ID_INACTIVE:
474 		/* Restore LED settings */
475 		if (ql_mb_set_led_cfg(qdev, qdev->led_config))
476 			return -EIO;
477 		return 0;
478 
479 	default:
480 		return -EINVAL;
481 	}
482 }
483 
ql_start_loopback(struct ql_adapter * qdev)484 static int ql_start_loopback(struct ql_adapter *qdev)
485 {
486 	if (netif_carrier_ok(qdev->ndev)) {
487 		set_bit(QL_LB_LINK_UP, &qdev->flags);
488 		netif_carrier_off(qdev->ndev);
489 	} else
490 		clear_bit(QL_LB_LINK_UP, &qdev->flags);
491 	qdev->link_config |= CFG_LOOPBACK_PCS;
492 	return ql_mb_set_port_cfg(qdev);
493 }
494 
ql_stop_loopback(struct ql_adapter * qdev)495 static void ql_stop_loopback(struct ql_adapter *qdev)
496 {
497 	qdev->link_config &= ~CFG_LOOPBACK_PCS;
498 	ql_mb_set_port_cfg(qdev);
499 	if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
500 		netif_carrier_on(qdev->ndev);
501 		clear_bit(QL_LB_LINK_UP, &qdev->flags);
502 	}
503 }
504 
ql_create_lb_frame(struct sk_buff * skb,unsigned int frame_size)505 static void ql_create_lb_frame(struct sk_buff *skb,
506 					unsigned int frame_size)
507 {
508 	memset(skb->data, 0xFF, frame_size);
509 	frame_size &= ~1;
510 	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
511 	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
512 	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
513 }
514 
ql_check_lb_frame(struct ql_adapter * qdev,struct sk_buff * skb)515 void ql_check_lb_frame(struct ql_adapter *qdev,
516 					struct sk_buff *skb)
517 {
518 	unsigned int frame_size = skb->len;
519 
520 	if ((*(skb->data + 3) == 0xFF) &&
521 		(*(skb->data + frame_size / 2 + 10) == 0xBE) &&
522 		(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
523 			atomic_dec(&qdev->lb_count);
524 			return;
525 	}
526 }
527 
ql_run_loopback_test(struct ql_adapter * qdev)528 static int ql_run_loopback_test(struct ql_adapter *qdev)
529 {
530 	int i;
531 	netdev_tx_t rc;
532 	struct sk_buff *skb;
533 	unsigned int size = SMALL_BUF_MAP_SIZE;
534 
535 	for (i = 0; i < 64; i++) {
536 		skb = netdev_alloc_skb(qdev->ndev, size);
537 		if (!skb)
538 			return -ENOMEM;
539 
540 		skb->queue_mapping = 0;
541 		skb_put(skb, size);
542 		ql_create_lb_frame(skb, size);
543 		rc = ql_lb_send(skb, qdev->ndev);
544 		if (rc != NETDEV_TX_OK)
545 			return -EPIPE;
546 		atomic_inc(&qdev->lb_count);
547 	}
548 	/* Give queue time to settle before testing results. */
549 	msleep(2);
550 	ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
551 	return atomic_read(&qdev->lb_count) ? -EIO : 0;
552 }
553 
ql_loopback_test(struct ql_adapter * qdev,u64 * data)554 static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
555 {
556 	*data = ql_start_loopback(qdev);
557 	if (*data)
558 		goto out;
559 	*data = ql_run_loopback_test(qdev);
560 out:
561 	ql_stop_loopback(qdev);
562 	return *data;
563 }
564 
ql_self_test(struct net_device * ndev,struct ethtool_test * eth_test,u64 * data)565 static void ql_self_test(struct net_device *ndev,
566 				struct ethtool_test *eth_test, u64 *data)
567 {
568 	struct ql_adapter *qdev = netdev_priv(ndev);
569 
570 	memset(data, 0, sizeof(u64) * QLGE_TEST_LEN);
571 
572 	if (netif_running(ndev)) {
573 		set_bit(QL_SELFTEST, &qdev->flags);
574 		if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
575 			/* Offline tests */
576 			if (ql_loopback_test(qdev, &data[0]))
577 				eth_test->flags |= ETH_TEST_FL_FAILED;
578 
579 		} else {
580 			/* Online tests */
581 			data[0] = 0;
582 		}
583 		clear_bit(QL_SELFTEST, &qdev->flags);
584 		/* Give link time to come up after
585 		 * port configuration changes.
586 		 */
587 		msleep_interruptible(4 * 1000);
588 	} else {
589 		netif_err(qdev, drv, qdev->ndev,
590 			  "is down, Loopback test will fail.\n");
591 		eth_test->flags |= ETH_TEST_FL_FAILED;
592 	}
593 }
594 
ql_get_regs_len(struct net_device * ndev)595 static int ql_get_regs_len(struct net_device *ndev)
596 {
597 	struct ql_adapter *qdev = netdev_priv(ndev);
598 
599 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
600 		return sizeof(struct ql_mpi_coredump);
601 	else
602 		return sizeof(struct ql_reg_dump);
603 }
604 
ql_get_regs(struct net_device * ndev,struct ethtool_regs * regs,void * p)605 static void ql_get_regs(struct net_device *ndev,
606 			struct ethtool_regs *regs, void *p)
607 {
608 	struct ql_adapter *qdev = netdev_priv(ndev);
609 
610 	ql_get_dump(qdev, p);
611 	qdev->core_is_dumped = 0;
612 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
613 		regs->len = sizeof(struct ql_mpi_coredump);
614 	else
615 		regs->len = sizeof(struct ql_reg_dump);
616 }
617 
ql_get_coalesce(struct net_device * dev,struct ethtool_coalesce * c)618 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
619 {
620 	struct ql_adapter *qdev = netdev_priv(dev);
621 
622 	c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
623 	c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
624 
625 	/* This chip coalesces as follows:
626 	 * If a packet arrives, hold off interrupts until
627 	 * cqicb->int_delay expires, but if no other packets arrive don't
628 	 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
629 	 * timer to coalesce on a frame basis.  So, we have to take ethtool's
630 	 * max_coalesced_frames value and convert it to a delay in microseconds.
631 	 * We do this by using a basic thoughput of 1,000,000 frames per
632 	 * second @ (1024 bytes).  This means one frame per usec. So it's a
633 	 * simple one to one ratio.
634 	 */
635 	c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
636 	c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
637 
638 	return 0;
639 }
640 
ql_set_coalesce(struct net_device * ndev,struct ethtool_coalesce * c)641 static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
642 {
643 	struct ql_adapter *qdev = netdev_priv(ndev);
644 
645 	/* Validate user parameters. */
646 	if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
647 		return -EINVAL;
648        /* Don't wait more than 10 usec. */
649 	if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
650 		return -EINVAL;
651 	if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
652 		return -EINVAL;
653 	if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
654 		return -EINVAL;
655 
656 	/* Verify a change took place before updating the hardware. */
657 	if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
658 	    qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
659 	    qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
660 	    qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
661 		return 0;
662 
663 	qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
664 	qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
665 	qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
666 	qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
667 
668 	return ql_update_ring_coalescing(qdev);
669 }
670 
ql_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)671 static void ql_get_pauseparam(struct net_device *netdev,
672 			struct ethtool_pauseparam *pause)
673 {
674 	struct ql_adapter *qdev = netdev_priv(netdev);
675 
676 	ql_mb_get_port_cfg(qdev);
677 	if (qdev->link_config & CFG_PAUSE_STD) {
678 		pause->rx_pause = 1;
679 		pause->tx_pause = 1;
680 	}
681 }
682 
ql_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)683 static int ql_set_pauseparam(struct net_device *netdev,
684 			struct ethtool_pauseparam *pause)
685 {
686 	struct ql_adapter *qdev = netdev_priv(netdev);
687 	int status = 0;
688 
689 	if ((pause->rx_pause) && (pause->tx_pause))
690 		qdev->link_config |= CFG_PAUSE_STD;
691 	else if (!pause->rx_pause && !pause->tx_pause)
692 		qdev->link_config &= ~CFG_PAUSE_STD;
693 	else
694 		return -EINVAL;
695 
696 	status = ql_mb_set_port_cfg(qdev);
697 	return status;
698 }
699 
ql_get_msglevel(struct net_device * ndev)700 static u32 ql_get_msglevel(struct net_device *ndev)
701 {
702 	struct ql_adapter *qdev = netdev_priv(ndev);
703 	return qdev->msg_enable;
704 }
705 
ql_set_msglevel(struct net_device * ndev,u32 value)706 static void ql_set_msglevel(struct net_device *ndev, u32 value)
707 {
708 	struct ql_adapter *qdev = netdev_priv(ndev);
709 	qdev->msg_enable = value;
710 }
711 
712 const struct ethtool_ops qlge_ethtool_ops = {
713 	.get_settings = ql_get_settings,
714 	.get_drvinfo = ql_get_drvinfo,
715 	.get_wol = ql_get_wol,
716 	.set_wol = ql_set_wol,
717 	.get_regs_len	= ql_get_regs_len,
718 	.get_regs = ql_get_regs,
719 	.get_msglevel = ql_get_msglevel,
720 	.set_msglevel = ql_set_msglevel,
721 	.get_link = ethtool_op_get_link,
722 	.set_phys_id		 = ql_set_phys_id,
723 	.self_test		 = ql_self_test,
724 	.get_pauseparam		 = ql_get_pauseparam,
725 	.set_pauseparam		 = ql_set_pauseparam,
726 	.get_coalesce = ql_get_coalesce,
727 	.set_coalesce = ql_set_coalesce,
728 	.get_sset_count = ql_get_sset_count,
729 	.get_strings = ql_get_strings,
730 	.get_ethtool_stats = ql_get_ethtool_stats,
731 };
732 
733