1 #include <linux/kernel.h>
2 #include <linux/types.h>
3 #include <linux/module.h>
4 #include <linux/list.h>
5 #include <linux/pci.h>
6 #include <linux/dma-mapping.h>
7 #include <linux/pagemap.h>
8 #include <linux/sched.h>
9 #include <linux/dmapool.h>
10 #include <linux/mempool.h>
11 #include <linux/spinlock.h>
12 #include <linux/kthread.h>
13 #include <linux/interrupt.h>
14 #include <linux/errno.h>
15 #include <linux/ioport.h>
16 #include <linux/in.h>
17 #include <linux/ip.h>
18 #include <linux/ipv6.h>
19 #include <net/ipv6.h>
20 #include <linux/tcp.h>
21 #include <linux/udp.h>
22 #include <linux/if_arp.h>
23 #include <linux/if_ether.h>
24 #include <linux/netdevice.h>
25 #include <linux/etherdevice.h>
26 #include <linux/ethtool.h>
27 #include <linux/skbuff.h>
28 #include <linux/rtnetlink.h>
29 #include <linux/if_vlan.h>
30 #include <linux/delay.h>
31 #include <linux/mm.h>
32 #include <linux/vmalloc.h>
33 
34 
35 #include "qlge.h"
36 
37 struct ql_stats {
38 	char stat_string[ETH_GSTRING_LEN];
39 	int sizeof_stat;
40 	int stat_offset;
41 };
42 
43 #define QL_SIZEOF(m) FIELD_SIZEOF(struct ql_adapter, m)
44 #define QL_OFF(m) offsetof(struct ql_adapter, m)
45 
46 static const struct ql_stats ql_gstrings_stats[] = {
47 	{"tx_pkts", QL_SIZEOF(nic_stats.tx_pkts), QL_OFF(nic_stats.tx_pkts)},
48 	{"tx_bytes", QL_SIZEOF(nic_stats.tx_bytes), QL_OFF(nic_stats.tx_bytes)},
49 	{"tx_mcast_pkts", QL_SIZEOF(nic_stats.tx_mcast_pkts),
50 					QL_OFF(nic_stats.tx_mcast_pkts)},
51 	{"tx_bcast_pkts", QL_SIZEOF(nic_stats.tx_bcast_pkts),
52 					QL_OFF(nic_stats.tx_bcast_pkts)},
53 	{"tx_ucast_pkts", QL_SIZEOF(nic_stats.tx_ucast_pkts),
54 					QL_OFF(nic_stats.tx_ucast_pkts)},
55 	{"tx_ctl_pkts", QL_SIZEOF(nic_stats.tx_ctl_pkts),
56 					QL_OFF(nic_stats.tx_ctl_pkts)},
57 	{"tx_pause_pkts", QL_SIZEOF(nic_stats.tx_pause_pkts),
58 					QL_OFF(nic_stats.tx_pause_pkts)},
59 	{"tx_64_pkts", QL_SIZEOF(nic_stats.tx_64_pkt),
60 					QL_OFF(nic_stats.tx_64_pkt)},
61 	{"tx_65_to_127_pkts", QL_SIZEOF(nic_stats.tx_65_to_127_pkt),
62 					QL_OFF(nic_stats.tx_65_to_127_pkt)},
63 	{"tx_128_to_255_pkts", QL_SIZEOF(nic_stats.tx_128_to_255_pkt),
64 					QL_OFF(nic_stats.tx_128_to_255_pkt)},
65 	{"tx_256_511_pkts", QL_SIZEOF(nic_stats.tx_256_511_pkt),
66 					QL_OFF(nic_stats.tx_256_511_pkt)},
67 	{"tx_512_to_1023_pkts",	QL_SIZEOF(nic_stats.tx_512_to_1023_pkt),
68 					QL_OFF(nic_stats.tx_512_to_1023_pkt)},
69 	{"tx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.tx_1024_to_1518_pkt),
70 					QL_OFF(nic_stats.tx_1024_to_1518_pkt)},
71 	{"tx_1519_to_max_pkts",	QL_SIZEOF(nic_stats.tx_1519_to_max_pkt),
72 					QL_OFF(nic_stats.tx_1519_to_max_pkt)},
73 	{"tx_undersize_pkts", QL_SIZEOF(nic_stats.tx_undersize_pkt),
74 					QL_OFF(nic_stats.tx_undersize_pkt)},
75 	{"tx_oversize_pkts", QL_SIZEOF(nic_stats.tx_oversize_pkt),
76 					QL_OFF(nic_stats.tx_oversize_pkt)},
77 	{"rx_bytes", QL_SIZEOF(nic_stats.rx_bytes), QL_OFF(nic_stats.rx_bytes)},
78 	{"rx_bytes_ok",	QL_SIZEOF(nic_stats.rx_bytes_ok),
79 					QL_OFF(nic_stats.rx_bytes_ok)},
80 	{"rx_pkts", QL_SIZEOF(nic_stats.rx_pkts), QL_OFF(nic_stats.rx_pkts)},
81 	{"rx_pkts_ok", QL_SIZEOF(nic_stats.rx_pkts_ok),
82 					QL_OFF(nic_stats.rx_pkts_ok)},
83 	{"rx_bcast_pkts", QL_SIZEOF(nic_stats.rx_bcast_pkts),
84 					QL_OFF(nic_stats.rx_bcast_pkts)},
85 	{"rx_mcast_pkts", QL_SIZEOF(nic_stats.rx_mcast_pkts),
86 					QL_OFF(nic_stats.rx_mcast_pkts)},
87 	{"rx_ucast_pkts", QL_SIZEOF(nic_stats.rx_ucast_pkts),
88 					QL_OFF(nic_stats.rx_ucast_pkts)},
89 	{"rx_undersize_pkts", QL_SIZEOF(nic_stats.rx_undersize_pkts),
90 					QL_OFF(nic_stats.rx_undersize_pkts)},
91 	{"rx_oversize_pkts", QL_SIZEOF(nic_stats.rx_oversize_pkts),
92 					QL_OFF(nic_stats.rx_oversize_pkts)},
93 	{"rx_jabber_pkts", QL_SIZEOF(nic_stats.rx_jabber_pkts),
94 					QL_OFF(nic_stats.rx_jabber_pkts)},
95 	{"rx_undersize_fcerr_pkts",
96 		QL_SIZEOF(nic_stats.rx_undersize_fcerr_pkts),
97 				QL_OFF(nic_stats.rx_undersize_fcerr_pkts)},
98 	{"rx_drop_events", QL_SIZEOF(nic_stats.rx_drop_events),
99 					QL_OFF(nic_stats.rx_drop_events)},
100 	{"rx_fcerr_pkts", QL_SIZEOF(nic_stats.rx_fcerr_pkts),
101 					QL_OFF(nic_stats.rx_fcerr_pkts)},
102 	{"rx_align_err", QL_SIZEOF(nic_stats.rx_align_err),
103 					QL_OFF(nic_stats.rx_align_err)},
104 	{"rx_symbol_err", QL_SIZEOF(nic_stats.rx_symbol_err),
105 					QL_OFF(nic_stats.rx_symbol_err)},
106 	{"rx_mac_err", QL_SIZEOF(nic_stats.rx_mac_err),
107 					QL_OFF(nic_stats.rx_mac_err)},
108 	{"rx_ctl_pkts",	QL_SIZEOF(nic_stats.rx_ctl_pkts),
109 					QL_OFF(nic_stats.rx_ctl_pkts)},
110 	{"rx_pause_pkts", QL_SIZEOF(nic_stats.rx_pause_pkts),
111 					QL_OFF(nic_stats.rx_pause_pkts)},
112 	{"rx_64_pkts", QL_SIZEOF(nic_stats.rx_64_pkts),
113 					QL_OFF(nic_stats.rx_64_pkts)},
114 	{"rx_65_to_127_pkts", QL_SIZEOF(nic_stats.rx_65_to_127_pkts),
115 					QL_OFF(nic_stats.rx_65_to_127_pkts)},
116 	{"rx_128_255_pkts", QL_SIZEOF(nic_stats.rx_128_255_pkts),
117 					QL_OFF(nic_stats.rx_128_255_pkts)},
118 	{"rx_256_511_pkts", QL_SIZEOF(nic_stats.rx_256_511_pkts),
119 					QL_OFF(nic_stats.rx_256_511_pkts)},
120 	{"rx_512_to_1023_pkts",	QL_SIZEOF(nic_stats.rx_512_to_1023_pkts),
121 					QL_OFF(nic_stats.rx_512_to_1023_pkts)},
122 	{"rx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.rx_1024_to_1518_pkts),
123 					QL_OFF(nic_stats.rx_1024_to_1518_pkts)},
124 	{"rx_1519_to_max_pkts",	QL_SIZEOF(nic_stats.rx_1519_to_max_pkts),
125 					QL_OFF(nic_stats.rx_1519_to_max_pkts)},
126 	{"rx_len_err_pkts", QL_SIZEOF(nic_stats.rx_len_err_pkts),
127 					QL_OFF(nic_stats.rx_len_err_pkts)},
128 	{"rx_code_err",	QL_SIZEOF(nic_stats.rx_code_err),
129 					QL_OFF(nic_stats.rx_code_err)},
130 	{"rx_oversize_err", QL_SIZEOF(nic_stats.rx_oversize_err),
131 					QL_OFF(nic_stats.rx_oversize_err)},
132 	{"rx_undersize_err", QL_SIZEOF(nic_stats.rx_undersize_err),
133 					QL_OFF(nic_stats.rx_undersize_err)},
134 	{"rx_preamble_err", QL_SIZEOF(nic_stats.rx_preamble_err),
135 					QL_OFF(nic_stats.rx_preamble_err)},
136 	{"rx_frame_len_err", QL_SIZEOF(nic_stats.rx_frame_len_err),
137 					QL_OFF(nic_stats.rx_frame_len_err)},
138 	{"rx_crc_err", QL_SIZEOF(nic_stats.rx_crc_err),
139 					QL_OFF(nic_stats.rx_crc_err)},
140 	{"rx_err_count", QL_SIZEOF(nic_stats.rx_err_count),
141 					QL_OFF(nic_stats.rx_err_count)},
142 	{"tx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames0),
143 				QL_OFF(nic_stats.tx_cbfc_pause_frames0)},
144 	{"tx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames1),
145 				QL_OFF(nic_stats.tx_cbfc_pause_frames1)},
146 	{"tx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames2),
147 				QL_OFF(nic_stats.tx_cbfc_pause_frames2)},
148 	{"tx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames3),
149 				QL_OFF(nic_stats.tx_cbfc_pause_frames3)},
150 	{"tx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames4),
151 				QL_OFF(nic_stats.tx_cbfc_pause_frames4)},
152 	{"tx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames5),
153 				QL_OFF(nic_stats.tx_cbfc_pause_frames5)},
154 	{"tx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames6),
155 				QL_OFF(nic_stats.tx_cbfc_pause_frames6)},
156 	{"tx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames7),
157 				QL_OFF(nic_stats.tx_cbfc_pause_frames7)},
158 	{"rx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames0),
159 				QL_OFF(nic_stats.rx_cbfc_pause_frames0)},
160 	{"rx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames1),
161 				QL_OFF(nic_stats.rx_cbfc_pause_frames1)},
162 	{"rx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames2),
163 				QL_OFF(nic_stats.rx_cbfc_pause_frames2)},
164 	{"rx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames3),
165 				QL_OFF(nic_stats.rx_cbfc_pause_frames3)},
166 	{"rx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames4),
167 				QL_OFF(nic_stats.rx_cbfc_pause_frames4)},
168 	{"rx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames5),
169 				QL_OFF(nic_stats.rx_cbfc_pause_frames5)},
170 	{"rx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames6),
171 				QL_OFF(nic_stats.rx_cbfc_pause_frames6)},
172 	{"rx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames7),
173 				QL_OFF(nic_stats.rx_cbfc_pause_frames7)},
174 	{"rx_nic_fifo_drop", QL_SIZEOF(nic_stats.rx_nic_fifo_drop),
175 					QL_OFF(nic_stats.rx_nic_fifo_drop)},
176 };
177 
178 static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
179 	"Loopback test  (offline)"
180 };
181 #define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)
182 #define QLGE_STATS_LEN ARRAY_SIZE(ql_gstrings_stats)
183 #define QLGE_RCV_MAC_ERR_STATS	7
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 	/* Update receive mac error statistics */
284 	iter += QLGE_RCV_MAC_ERR_STATS;
285 
286 	/*
287 	 * Get Per-priority TX pause frame counter statistics.
288 	 */
289 	for (i = 0x500; i < 0x540; i += 8) {
290 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
291 			netif_err(qdev, drv, qdev->ndev,
292 				  "Error reading status register 0x%.04x.\n",
293 				  i);
294 			goto end;
295 		} else
296 			*iter = data;
297 		iter++;
298 	}
299 
300 	/*
301 	 * Get Per-priority RX pause frame counter statistics.
302 	 */
303 	for (i = 0x568; i < 0x5a8; i += 8) {
304 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
305 			netif_err(qdev, drv, qdev->ndev,
306 				  "Error reading status register 0x%.04x.\n",
307 				  i);
308 			goto end;
309 		} else
310 			*iter = data;
311 		iter++;
312 	}
313 
314 	/*
315 	 * Get RX NIC FIFO DROP statistics.
316 	 */
317 	if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
318 		netif_err(qdev, drv, qdev->ndev,
319 			  "Error reading status register 0x%.04x.\n", i);
320 		goto end;
321 	} else
322 		*iter = data;
323 end:
324 	ql_sem_unlock(qdev, qdev->xg_sem_mask);
325 quit:
326 	spin_unlock(&qdev->stats_lock);
327 
328 	QL_DUMP_STAT(qdev);
329 }
330 
ql_get_strings(struct net_device * dev,u32 stringset,u8 * buf)331 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
332 {
333 	int index;
334 	switch (stringset) {
335 	case ETH_SS_TEST:
336 		memcpy(buf, *ql_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN);
337 		break;
338 	case ETH_SS_STATS:
339 		for (index = 0; index < QLGE_STATS_LEN; index++) {
340 			memcpy(buf + index * ETH_GSTRING_LEN,
341 				ql_gstrings_stats[index].stat_string,
342 				ETH_GSTRING_LEN);
343 		}
344 		break;
345 	}
346 }
347 
ql_get_sset_count(struct net_device * dev,int sset)348 static int ql_get_sset_count(struct net_device *dev, int sset)
349 {
350 	switch (sset) {
351 	case ETH_SS_TEST:
352 		return QLGE_TEST_LEN;
353 	case ETH_SS_STATS:
354 		return QLGE_STATS_LEN;
355 	default:
356 		return -EOPNOTSUPP;
357 	}
358 }
359 
360 static void
ql_get_ethtool_stats(struct net_device * ndev,struct ethtool_stats * stats,u64 * data)361 ql_get_ethtool_stats(struct net_device *ndev,
362 		     struct ethtool_stats *stats, u64 *data)
363 {
364 	struct ql_adapter *qdev = netdev_priv(ndev);
365 	int index, length;
366 
367 	length = QLGE_STATS_LEN;
368 	ql_update_stats(qdev);
369 
370 	for (index = 0; index < length; index++) {
371 		char *p = (char *)qdev +
372 			ql_gstrings_stats[index].stat_offset;
373 		*data++ = (ql_gstrings_stats[index].sizeof_stat ==
374 			sizeof(u64)) ? *(u64 *)p : (*(u32 *)p);
375 	}
376 }
377 
ql_get_settings(struct net_device * ndev,struct ethtool_cmd * ecmd)378 static int ql_get_settings(struct net_device *ndev,
379 			      struct ethtool_cmd *ecmd)
380 {
381 	struct ql_adapter *qdev = netdev_priv(ndev);
382 
383 	ecmd->supported = SUPPORTED_10000baseT_Full;
384 	ecmd->advertising = ADVERTISED_10000baseT_Full;
385 	ecmd->transceiver = XCVR_EXTERNAL;
386 	if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
387 				STS_LINK_TYPE_10GBASET) {
388 		ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
389 		ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
390 		ecmd->port = PORT_TP;
391 		ecmd->autoneg = AUTONEG_ENABLE;
392 	} else {
393 		ecmd->supported |= SUPPORTED_FIBRE;
394 		ecmd->advertising |= ADVERTISED_FIBRE;
395 		ecmd->port = PORT_FIBRE;
396 	}
397 
398 	ethtool_cmd_speed_set(ecmd, SPEED_10000);
399 	ecmd->duplex = DUPLEX_FULL;
400 
401 	return 0;
402 }
403 
ql_get_drvinfo(struct net_device * ndev,struct ethtool_drvinfo * drvinfo)404 static void ql_get_drvinfo(struct net_device *ndev,
405 			   struct ethtool_drvinfo *drvinfo)
406 {
407 	struct ql_adapter *qdev = netdev_priv(ndev);
408 	strlcpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
409 	strlcpy(drvinfo->version, qlge_driver_version,
410 		sizeof(drvinfo->version));
411 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
412 		 "v%d.%d.%d",
413 		 (qdev->fw_rev_id & 0x00ff0000) >> 16,
414 		 (qdev->fw_rev_id & 0x0000ff00) >> 8,
415 		 (qdev->fw_rev_id & 0x000000ff));
416 	strlcpy(drvinfo->bus_info, pci_name(qdev->pdev),
417 		sizeof(drvinfo->bus_info));
418 	drvinfo->n_stats = 0;
419 	drvinfo->testinfo_len = 0;
420 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
421 		drvinfo->regdump_len = sizeof(struct ql_mpi_coredump);
422 	else
423 		drvinfo->regdump_len = sizeof(struct ql_reg_dump);
424 	drvinfo->eedump_len = 0;
425 }
426 
ql_get_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)427 static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
428 {
429 	struct ql_adapter *qdev = netdev_priv(ndev);
430 	unsigned short ssys_dev = qdev->pdev->subsystem_device;
431 
432 	/* WOL is only supported for mezz card. */
433 	if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 ||
434 			ssys_dev == QLGE_MEZZ_SSYS_ID_180) {
435 		wol->supported = WAKE_MAGIC;
436 		wol->wolopts = qdev->wol;
437 	}
438 }
439 
ql_set_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)440 static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
441 {
442 	struct ql_adapter *qdev = netdev_priv(ndev);
443 	unsigned short ssys_dev = qdev->pdev->subsystem_device;
444 
445 	/* WOL is only supported for mezz card. */
446 	if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 &&
447 			ssys_dev != QLGE_MEZZ_SSYS_ID_180) {
448 		netif_info(qdev, drv, qdev->ndev,
449 				"WOL is only supported for mezz card\n");
450 		return -EOPNOTSUPP;
451 	}
452 	if (wol->wolopts & ~WAKE_MAGIC)
453 		return -EINVAL;
454 	qdev->wol = wol->wolopts;
455 
456 	netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
457 	return 0;
458 }
459 
ql_set_phys_id(struct net_device * ndev,enum ethtool_phys_id_state state)460 static int ql_set_phys_id(struct net_device *ndev,
461 			  enum ethtool_phys_id_state state)
462 
463 {
464 	struct ql_adapter *qdev = netdev_priv(ndev);
465 
466 	switch (state) {
467 	case ETHTOOL_ID_ACTIVE:
468 		/* Save the current LED settings */
469 		if (ql_mb_get_led_cfg(qdev))
470 			return -EIO;
471 
472 		/* Start blinking */
473 		ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
474 		return 0;
475 
476 	case ETHTOOL_ID_INACTIVE:
477 		/* Restore LED settings */
478 		if (ql_mb_set_led_cfg(qdev, qdev->led_config))
479 			return -EIO;
480 		return 0;
481 
482 	default:
483 		return -EINVAL;
484 	}
485 }
486 
ql_start_loopback(struct ql_adapter * qdev)487 static int ql_start_loopback(struct ql_adapter *qdev)
488 {
489 	if (netif_carrier_ok(qdev->ndev)) {
490 		set_bit(QL_LB_LINK_UP, &qdev->flags);
491 		netif_carrier_off(qdev->ndev);
492 	} else
493 		clear_bit(QL_LB_LINK_UP, &qdev->flags);
494 	qdev->link_config |= CFG_LOOPBACK_PCS;
495 	return ql_mb_set_port_cfg(qdev);
496 }
497 
ql_stop_loopback(struct ql_adapter * qdev)498 static void ql_stop_loopback(struct ql_adapter *qdev)
499 {
500 	qdev->link_config &= ~CFG_LOOPBACK_PCS;
501 	ql_mb_set_port_cfg(qdev);
502 	if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
503 		netif_carrier_on(qdev->ndev);
504 		clear_bit(QL_LB_LINK_UP, &qdev->flags);
505 	}
506 }
507 
ql_create_lb_frame(struct sk_buff * skb,unsigned int frame_size)508 static void ql_create_lb_frame(struct sk_buff *skb,
509 					unsigned int frame_size)
510 {
511 	memset(skb->data, 0xFF, frame_size);
512 	frame_size &= ~1;
513 	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
514 	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
515 	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
516 }
517 
ql_check_lb_frame(struct ql_adapter * qdev,struct sk_buff * skb)518 void ql_check_lb_frame(struct ql_adapter *qdev,
519 					struct sk_buff *skb)
520 {
521 	unsigned int frame_size = skb->len;
522 
523 	if ((*(skb->data + 3) == 0xFF) &&
524 		(*(skb->data + frame_size / 2 + 10) == 0xBE) &&
525 		(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
526 			atomic_dec(&qdev->lb_count);
527 			return;
528 	}
529 }
530 
ql_run_loopback_test(struct ql_adapter * qdev)531 static int ql_run_loopback_test(struct ql_adapter *qdev)
532 {
533 	int i;
534 	netdev_tx_t rc;
535 	struct sk_buff *skb;
536 	unsigned int size = SMALL_BUF_MAP_SIZE;
537 
538 	for (i = 0; i < 64; i++) {
539 		skb = netdev_alloc_skb(qdev->ndev, size);
540 		if (!skb)
541 			return -ENOMEM;
542 
543 		skb->queue_mapping = 0;
544 		skb_put(skb, size);
545 		ql_create_lb_frame(skb, size);
546 		rc = ql_lb_send(skb, qdev->ndev);
547 		if (rc != NETDEV_TX_OK)
548 			return -EPIPE;
549 		atomic_inc(&qdev->lb_count);
550 	}
551 	/* Give queue time to settle before testing results. */
552 	msleep(2);
553 	ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
554 	return atomic_read(&qdev->lb_count) ? -EIO : 0;
555 }
556 
ql_loopback_test(struct ql_adapter * qdev,u64 * data)557 static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
558 {
559 	*data = ql_start_loopback(qdev);
560 	if (*data)
561 		goto out;
562 	*data = ql_run_loopback_test(qdev);
563 out:
564 	ql_stop_loopback(qdev);
565 	return *data;
566 }
567 
ql_self_test(struct net_device * ndev,struct ethtool_test * eth_test,u64 * data)568 static void ql_self_test(struct net_device *ndev,
569 				struct ethtool_test *eth_test, u64 *data)
570 {
571 	struct ql_adapter *qdev = netdev_priv(ndev);
572 
573 	memset(data, 0, sizeof(u64) * QLGE_TEST_LEN);
574 
575 	if (netif_running(ndev)) {
576 		set_bit(QL_SELFTEST, &qdev->flags);
577 		if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
578 			/* Offline tests */
579 			if (ql_loopback_test(qdev, &data[0]))
580 				eth_test->flags |= ETH_TEST_FL_FAILED;
581 
582 		} else {
583 			/* Online tests */
584 			data[0] = 0;
585 		}
586 		clear_bit(QL_SELFTEST, &qdev->flags);
587 		/* Give link time to come up after
588 		 * port configuration changes.
589 		 */
590 		msleep_interruptible(4 * 1000);
591 	} else {
592 		netif_err(qdev, drv, qdev->ndev,
593 			  "is down, Loopback test will fail.\n");
594 		eth_test->flags |= ETH_TEST_FL_FAILED;
595 	}
596 }
597 
ql_get_regs_len(struct net_device * ndev)598 static int ql_get_regs_len(struct net_device *ndev)
599 {
600 	struct ql_adapter *qdev = netdev_priv(ndev);
601 
602 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
603 		return sizeof(struct ql_mpi_coredump);
604 	else
605 		return sizeof(struct ql_reg_dump);
606 }
607 
ql_get_regs(struct net_device * ndev,struct ethtool_regs * regs,void * p)608 static void ql_get_regs(struct net_device *ndev,
609 			struct ethtool_regs *regs, void *p)
610 {
611 	struct ql_adapter *qdev = netdev_priv(ndev);
612 
613 	ql_get_dump(qdev, p);
614 	qdev->core_is_dumped = 0;
615 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
616 		regs->len = sizeof(struct ql_mpi_coredump);
617 	else
618 		regs->len = sizeof(struct ql_reg_dump);
619 }
620 
ql_get_coalesce(struct net_device * dev,struct ethtool_coalesce * c)621 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
622 {
623 	struct ql_adapter *qdev = netdev_priv(dev);
624 
625 	c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
626 	c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
627 
628 	/* This chip coalesces as follows:
629 	 * If a packet arrives, hold off interrupts until
630 	 * cqicb->int_delay expires, but if no other packets arrive don't
631 	 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
632 	 * timer to coalesce on a frame basis.  So, we have to take ethtool's
633 	 * max_coalesced_frames value and convert it to a delay in microseconds.
634 	 * We do this by using a basic thoughput of 1,000,000 frames per
635 	 * second @ (1024 bytes).  This means one frame per usec. So it's a
636 	 * simple one to one ratio.
637 	 */
638 	c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
639 	c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
640 
641 	return 0;
642 }
643 
ql_set_coalesce(struct net_device * ndev,struct ethtool_coalesce * c)644 static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
645 {
646 	struct ql_adapter *qdev = netdev_priv(ndev);
647 
648 	/* Validate user parameters. */
649 	if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
650 		return -EINVAL;
651        /* Don't wait more than 10 usec. */
652 	if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
653 		return -EINVAL;
654 	if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
655 		return -EINVAL;
656 	if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
657 		return -EINVAL;
658 
659 	/* Verify a change took place before updating the hardware. */
660 	if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
661 	    qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
662 	    qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
663 	    qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
664 		return 0;
665 
666 	qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
667 	qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
668 	qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
669 	qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
670 
671 	return ql_update_ring_coalescing(qdev);
672 }
673 
ql_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)674 static void ql_get_pauseparam(struct net_device *netdev,
675 			struct ethtool_pauseparam *pause)
676 {
677 	struct ql_adapter *qdev = netdev_priv(netdev);
678 
679 	ql_mb_get_port_cfg(qdev);
680 	if (qdev->link_config & CFG_PAUSE_STD) {
681 		pause->rx_pause = 1;
682 		pause->tx_pause = 1;
683 	}
684 }
685 
ql_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)686 static int ql_set_pauseparam(struct net_device *netdev,
687 			struct ethtool_pauseparam *pause)
688 {
689 	struct ql_adapter *qdev = netdev_priv(netdev);
690 	int status = 0;
691 
692 	if ((pause->rx_pause) && (pause->tx_pause))
693 		qdev->link_config |= CFG_PAUSE_STD;
694 	else if (!pause->rx_pause && !pause->tx_pause)
695 		qdev->link_config &= ~CFG_PAUSE_STD;
696 	else
697 		return -EINVAL;
698 
699 	status = ql_mb_set_port_cfg(qdev);
700 	return status;
701 }
702 
ql_get_msglevel(struct net_device * ndev)703 static u32 ql_get_msglevel(struct net_device *ndev)
704 {
705 	struct ql_adapter *qdev = netdev_priv(ndev);
706 	return qdev->msg_enable;
707 }
708 
ql_set_msglevel(struct net_device * ndev,u32 value)709 static void ql_set_msglevel(struct net_device *ndev, u32 value)
710 {
711 	struct ql_adapter *qdev = netdev_priv(ndev);
712 	qdev->msg_enable = value;
713 }
714 
715 const struct ethtool_ops qlge_ethtool_ops = {
716 	.get_settings = ql_get_settings,
717 	.get_drvinfo = ql_get_drvinfo,
718 	.get_wol = ql_get_wol,
719 	.set_wol = ql_set_wol,
720 	.get_regs_len	= ql_get_regs_len,
721 	.get_regs = ql_get_regs,
722 	.get_msglevel = ql_get_msglevel,
723 	.set_msglevel = ql_set_msglevel,
724 	.get_link = ethtool_op_get_link,
725 	.set_phys_id		 = ql_set_phys_id,
726 	.self_test		 = ql_self_test,
727 	.get_pauseparam		 = ql_get_pauseparam,
728 	.set_pauseparam		 = ql_set_pauseparam,
729 	.get_coalesce = ql_get_coalesce,
730 	.set_coalesce = ql_set_coalesce,
731 	.get_sset_count = ql_get_sset_count,
732 	.get_strings = ql_get_strings,
733 	.get_ethtool_stats = ql_get_ethtool_stats,
734 };
735 
736