1c0c050c5SMichael Chan /* Broadcom NetXtreme-C/E network driver.
2c0c050c5SMichael Chan  *
3c0c050c5SMichael Chan  * Copyright (c) 2014-2015 Broadcom Corporation
4c0c050c5SMichael Chan  *
5c0c050c5SMichael Chan  * This program is free software; you can redistribute it and/or modify
6c0c050c5SMichael Chan  * it under the terms of the GNU General Public License as published by
7c0c050c5SMichael Chan  * the Free Software Foundation.
8c0c050c5SMichael Chan  */
9c0c050c5SMichael Chan 
103ebf6f0aSRob Swindell #include <linux/ctype.h>
11c0c050c5SMichael Chan #include <linux/ethtool.h>
12c0c050c5SMichael Chan #include <linux/interrupt.h>
13c0c050c5SMichael Chan #include <linux/pci.h>
14c0c050c5SMichael Chan #include <linux/etherdevice.h>
15c0c050c5SMichael Chan #include <linux/crc32.h>
16c0c050c5SMichael Chan #include <linux/firmware.h>
17c0c050c5SMichael Chan #include "bnxt_hsi.h"
18c0c050c5SMichael Chan #include "bnxt.h"
19c0c050c5SMichael Chan #include "bnxt_ethtool.h"
20c0c050c5SMichael Chan #include "bnxt_nvm_defs.h"	/* NVRAM content constant and structure defs */
21c0c050c5SMichael Chan #include "bnxt_fw_hdr.h"	/* Firmware hdr constant and structure defs */
22c0c050c5SMichael Chan #define FLASH_NVRAM_TIMEOUT	((HWRM_CMD_TIMEOUT) * 100)
23c0c050c5SMichael Chan 
243ebf6f0aSRob Swindell static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
253ebf6f0aSRob Swindell 
26c0c050c5SMichael Chan static u32 bnxt_get_msglevel(struct net_device *dev)
27c0c050c5SMichael Chan {
28c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
29c0c050c5SMichael Chan 
30c0c050c5SMichael Chan 	return bp->msg_enable;
31c0c050c5SMichael Chan }
32c0c050c5SMichael Chan 
33c0c050c5SMichael Chan static void bnxt_set_msglevel(struct net_device *dev, u32 value)
34c0c050c5SMichael Chan {
35c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
36c0c050c5SMichael Chan 
37c0c050c5SMichael Chan 	bp->msg_enable = value;
38c0c050c5SMichael Chan }
39c0c050c5SMichael Chan 
40c0c050c5SMichael Chan static int bnxt_get_coalesce(struct net_device *dev,
41c0c050c5SMichael Chan 			     struct ethtool_coalesce *coal)
42c0c050c5SMichael Chan {
43c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
44c0c050c5SMichael Chan 
45c0c050c5SMichael Chan 	memset(coal, 0, sizeof(*coal));
46c0c050c5SMichael Chan 
47dfb5b894SMichael Chan 	coal->rx_coalesce_usecs = bp->rx_coal_ticks;
48dfb5b894SMichael Chan 	/* 2 completion records per rx packet */
49dfb5b894SMichael Chan 	coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
50dfb5b894SMichael Chan 	coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
51dfb5b894SMichael Chan 	coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
52c0c050c5SMichael Chan 
53dfc9c94aSMichael Chan 	coal->tx_coalesce_usecs = bp->tx_coal_ticks;
54dfc9c94aSMichael Chan 	coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
55dfc9c94aSMichael Chan 	coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
56dfc9c94aSMichael Chan 	coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
57dfc9c94aSMichael Chan 
58c0c050c5SMichael Chan 	return 0;
59c0c050c5SMichael Chan }
60c0c050c5SMichael Chan 
61c0c050c5SMichael Chan static int bnxt_set_coalesce(struct net_device *dev,
62c0c050c5SMichael Chan 			     struct ethtool_coalesce *coal)
63c0c050c5SMichael Chan {
64c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
65c0c050c5SMichael Chan 	int rc = 0;
66c0c050c5SMichael Chan 
67dfb5b894SMichael Chan 	bp->rx_coal_ticks = coal->rx_coalesce_usecs;
68dfb5b894SMichael Chan 	/* 2 completion records per rx packet */
69dfb5b894SMichael Chan 	bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
70dfb5b894SMichael Chan 	bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
71dfb5b894SMichael Chan 	bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
72c0c050c5SMichael Chan 
73dfc9c94aSMichael Chan 	bp->tx_coal_ticks = coal->tx_coalesce_usecs;
74dfc9c94aSMichael Chan 	bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
75dfc9c94aSMichael Chan 	bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
76dfc9c94aSMichael Chan 	bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
77dfc9c94aSMichael Chan 
78c0c050c5SMichael Chan 	if (netif_running(dev))
79c0c050c5SMichael Chan 		rc = bnxt_hwrm_set_coal(bp);
80c0c050c5SMichael Chan 
81c0c050c5SMichael Chan 	return rc;
82c0c050c5SMichael Chan }
83c0c050c5SMichael Chan 
84c0c050c5SMichael Chan #define BNXT_NUM_STATS	21
85c0c050c5SMichael Chan 
86c0c050c5SMichael Chan static int bnxt_get_sset_count(struct net_device *dev, int sset)
87c0c050c5SMichael Chan {
88c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
89c0c050c5SMichael Chan 
90c0c050c5SMichael Chan 	switch (sset) {
91c0c050c5SMichael Chan 	case ETH_SS_STATS:
92c0c050c5SMichael Chan 		return BNXT_NUM_STATS * bp->cp_nr_rings;
93c0c050c5SMichael Chan 	default:
94c0c050c5SMichael Chan 		return -EOPNOTSUPP;
95c0c050c5SMichael Chan 	}
96c0c050c5SMichael Chan }
97c0c050c5SMichael Chan 
98c0c050c5SMichael Chan static void bnxt_get_ethtool_stats(struct net_device *dev,
99c0c050c5SMichael Chan 				   struct ethtool_stats *stats, u64 *buf)
100c0c050c5SMichael Chan {
101c0c050c5SMichael Chan 	u32 i, j = 0;
102c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
103c0c050c5SMichael Chan 	u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
104c0c050c5SMichael Chan 	u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
105c0c050c5SMichael Chan 
106c0c050c5SMichael Chan 	memset(buf, 0, buf_size);
107c0c050c5SMichael Chan 
108c0c050c5SMichael Chan 	if (!bp->bnapi)
109c0c050c5SMichael Chan 		return;
110c0c050c5SMichael Chan 
111c0c050c5SMichael Chan 	for (i = 0; i < bp->cp_nr_rings; i++) {
112c0c050c5SMichael Chan 		struct bnxt_napi *bnapi = bp->bnapi[i];
113c0c050c5SMichael Chan 		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
114c0c050c5SMichael Chan 		__le64 *hw_stats = (__le64 *)cpr->hw_stats;
115c0c050c5SMichael Chan 		int k;
116c0c050c5SMichael Chan 
117c0c050c5SMichael Chan 		for (k = 0; k < stat_fields; j++, k++)
118c0c050c5SMichael Chan 			buf[j] = le64_to_cpu(hw_stats[k]);
119c0c050c5SMichael Chan 		buf[j++] = cpr->rx_l4_csum_errors;
120c0c050c5SMichael Chan 	}
121c0c050c5SMichael Chan }
122c0c050c5SMichael Chan 
123c0c050c5SMichael Chan static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
124c0c050c5SMichael Chan {
125c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
126c0c050c5SMichael Chan 	u32 i;
127c0c050c5SMichael Chan 
128c0c050c5SMichael Chan 	switch (stringset) {
129c0c050c5SMichael Chan 	/* The number of strings must match BNXT_NUM_STATS defined above. */
130c0c050c5SMichael Chan 	case ETH_SS_STATS:
131c0c050c5SMichael Chan 		for (i = 0; i < bp->cp_nr_rings; i++) {
132c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_ucast_packets", i);
133c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
134c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_mcast_packets", i);
135c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
136c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_bcast_packets", i);
137c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
138c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_discards", i);
139c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
140c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_drops", i);
141c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
142c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_ucast_bytes", i);
143c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
144c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_mcast_bytes", i);
145c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
146c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_bcast_bytes", i);
147c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
148c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tx_ucast_packets", i);
149c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
150c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tx_mcast_packets", i);
151c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
152c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tx_bcast_packets", i);
153c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
154c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tx_discards", i);
155c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
156c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tx_drops", i);
157c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
158c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tx_ucast_bytes", i);
159c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
160c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tx_mcast_bytes", i);
161c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
162c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tx_bcast_bytes", i);
163c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
164c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tpa_packets", i);
165c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
166c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tpa_bytes", i);
167c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
168c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tpa_events", i);
169c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
170c0c050c5SMichael Chan 			sprintf(buf, "[%d]: tpa_aborts", i);
171c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
172c0c050c5SMichael Chan 			sprintf(buf, "[%d]: rx_l4_csum_errors", i);
173c0c050c5SMichael Chan 			buf += ETH_GSTRING_LEN;
174c0c050c5SMichael Chan 		}
175c0c050c5SMichael Chan 		break;
176c0c050c5SMichael Chan 	default:
177c0c050c5SMichael Chan 		netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
178c0c050c5SMichael Chan 			   stringset);
179c0c050c5SMichael Chan 		break;
180c0c050c5SMichael Chan 	}
181c0c050c5SMichael Chan }
182c0c050c5SMichael Chan 
183c0c050c5SMichael Chan static void bnxt_get_ringparam(struct net_device *dev,
184c0c050c5SMichael Chan 			       struct ethtool_ringparam *ering)
185c0c050c5SMichael Chan {
186c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
187c0c050c5SMichael Chan 
188c0c050c5SMichael Chan 	ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
189c0c050c5SMichael Chan 	ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
190c0c050c5SMichael Chan 	ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
191c0c050c5SMichael Chan 
192c0c050c5SMichael Chan 	ering->rx_pending = bp->rx_ring_size;
193c0c050c5SMichael Chan 	ering->rx_jumbo_pending = bp->rx_agg_ring_size;
194c0c050c5SMichael Chan 	ering->tx_pending = bp->tx_ring_size;
195c0c050c5SMichael Chan }
196c0c050c5SMichael Chan 
197c0c050c5SMichael Chan static int bnxt_set_ringparam(struct net_device *dev,
198c0c050c5SMichael Chan 			      struct ethtool_ringparam *ering)
199c0c050c5SMichael Chan {
200c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
201c0c050c5SMichael Chan 
202c0c050c5SMichael Chan 	if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
203c0c050c5SMichael Chan 	    (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
204c0c050c5SMichael Chan 	    (ering->tx_pending <= MAX_SKB_FRAGS))
205c0c050c5SMichael Chan 		return -EINVAL;
206c0c050c5SMichael Chan 
207c0c050c5SMichael Chan 	if (netif_running(dev))
208c0c050c5SMichael Chan 		bnxt_close_nic(bp, false, false);
209c0c050c5SMichael Chan 
210c0c050c5SMichael Chan 	bp->rx_ring_size = ering->rx_pending;
211c0c050c5SMichael Chan 	bp->tx_ring_size = ering->tx_pending;
212c0c050c5SMichael Chan 	bnxt_set_ring_params(bp);
213c0c050c5SMichael Chan 
214c0c050c5SMichael Chan 	if (netif_running(dev))
215c0c050c5SMichael Chan 		return bnxt_open_nic(bp, false, false);
216c0c050c5SMichael Chan 
217c0c050c5SMichael Chan 	return 0;
218c0c050c5SMichael Chan }
219c0c050c5SMichael Chan 
220c0c050c5SMichael Chan static void bnxt_get_channels(struct net_device *dev,
221c0c050c5SMichael Chan 			      struct ethtool_channels *channel)
222c0c050c5SMichael Chan {
223c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
224c0c050c5SMichael Chan 	int max_rx_rings, max_tx_rings, tcs;
225c0c050c5SMichael Chan 
2266e6c5a57SMichael Chan 	bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
227068c9ec6SMichael Chan 	channel->max_combined = max_rx_rings;
228068c9ec6SMichael Chan 
229068c9ec6SMichael Chan 	bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false);
230c0c050c5SMichael Chan 	tcs = netdev_get_num_tc(dev);
231c0c050c5SMichael Chan 	if (tcs > 1)
232c0c050c5SMichael Chan 		max_tx_rings /= tcs;
233c0c050c5SMichael Chan 
234c0c050c5SMichael Chan 	channel->max_rx = max_rx_rings;
235c0c050c5SMichael Chan 	channel->max_tx = max_tx_rings;
236c0c050c5SMichael Chan 	channel->max_other = 0;
237068c9ec6SMichael Chan 	if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
238068c9ec6SMichael Chan 		channel->combined_count = bp->rx_nr_rings;
239068c9ec6SMichael Chan 	} else {
240c0c050c5SMichael Chan 		channel->rx_count = bp->rx_nr_rings;
241c0c050c5SMichael Chan 		channel->tx_count = bp->tx_nr_rings_per_tc;
242c0c050c5SMichael Chan 	}
243068c9ec6SMichael Chan }
244c0c050c5SMichael Chan 
245c0c050c5SMichael Chan static int bnxt_set_channels(struct net_device *dev,
246c0c050c5SMichael Chan 			     struct ethtool_channels *channel)
247c0c050c5SMichael Chan {
248c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
249c0c050c5SMichael Chan 	int max_rx_rings, max_tx_rings, tcs;
250c0c050c5SMichael Chan 	u32 rc = 0;
251068c9ec6SMichael Chan 	bool sh = false;
252c0c050c5SMichael Chan 
253068c9ec6SMichael Chan 	if (channel->other_count)
254c0c050c5SMichael Chan 		return -EINVAL;
255c0c050c5SMichael Chan 
256068c9ec6SMichael Chan 	if (!channel->combined_count &&
257068c9ec6SMichael Chan 	    (!channel->rx_count || !channel->tx_count))
258068c9ec6SMichael Chan 		return -EINVAL;
259068c9ec6SMichael Chan 
260068c9ec6SMichael Chan 	if (channel->combined_count &&
261068c9ec6SMichael Chan 	    (channel->rx_count || channel->tx_count))
262068c9ec6SMichael Chan 		return -EINVAL;
263068c9ec6SMichael Chan 
264068c9ec6SMichael Chan 	if (channel->combined_count)
265068c9ec6SMichael Chan 		sh = true;
266068c9ec6SMichael Chan 
267068c9ec6SMichael Chan 	bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
268068c9ec6SMichael Chan 
269c0c050c5SMichael Chan 	tcs = netdev_get_num_tc(dev);
270c0c050c5SMichael Chan 	if (tcs > 1)
271c0c050c5SMichael Chan 		max_tx_rings /= tcs;
272c0c050c5SMichael Chan 
273068c9ec6SMichael Chan 	if (sh && (channel->combined_count > max_rx_rings ||
274068c9ec6SMichael Chan 		   channel->combined_count > max_tx_rings))
275068c9ec6SMichael Chan 		return -ENOMEM;
276068c9ec6SMichael Chan 
277068c9ec6SMichael Chan 	if (!sh && (channel->rx_count > max_rx_rings ||
278068c9ec6SMichael Chan 		    channel->tx_count > max_tx_rings))
279068c9ec6SMichael Chan 		return -ENOMEM;
280c0c050c5SMichael Chan 
281c0c050c5SMichael Chan 	if (netif_running(dev)) {
282c0c050c5SMichael Chan 		if (BNXT_PF(bp)) {
283c0c050c5SMichael Chan 			/* TODO CHIMP_FW: Send message to all VF's
284c0c050c5SMichael Chan 			 * before PF unload
285c0c050c5SMichael Chan 			 */
286c0c050c5SMichael Chan 		}
287c0c050c5SMichael Chan 		rc = bnxt_close_nic(bp, true, false);
288c0c050c5SMichael Chan 		if (rc) {
289c0c050c5SMichael Chan 			netdev_err(bp->dev, "Set channel failure rc :%x\n",
290c0c050c5SMichael Chan 				   rc);
291c0c050c5SMichael Chan 			return rc;
292c0c050c5SMichael Chan 		}
293c0c050c5SMichael Chan 	}
294c0c050c5SMichael Chan 
295068c9ec6SMichael Chan 	if (sh) {
296068c9ec6SMichael Chan 		bp->flags |= BNXT_FLAG_SHARED_RINGS;
297068c9ec6SMichael Chan 		bp->rx_nr_rings = channel->combined_count;
298068c9ec6SMichael Chan 		bp->tx_nr_rings_per_tc = channel->combined_count;
299068c9ec6SMichael Chan 	} else {
300068c9ec6SMichael Chan 		bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
301c0c050c5SMichael Chan 		bp->rx_nr_rings = channel->rx_count;
302c0c050c5SMichael Chan 		bp->tx_nr_rings_per_tc = channel->tx_count;
303068c9ec6SMichael Chan 	}
304068c9ec6SMichael Chan 
305c0c050c5SMichael Chan 	bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
306c0c050c5SMichael Chan 	if (tcs > 1)
307c0c050c5SMichael Chan 		bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
308068c9ec6SMichael Chan 
309068c9ec6SMichael Chan 	bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
310068c9ec6SMichael Chan 			       bp->tx_nr_rings + bp->rx_nr_rings;
311068c9ec6SMichael Chan 
312c0c050c5SMichael Chan 	bp->num_stat_ctxs = bp->cp_nr_rings;
313c0c050c5SMichael Chan 
3142bcfa6f6SMichael Chan 	/* After changing number of rx channels, update NTUPLE feature. */
3152bcfa6f6SMichael Chan 	netdev_update_features(dev);
316c0c050c5SMichael Chan 	if (netif_running(dev)) {
317c0c050c5SMichael Chan 		rc = bnxt_open_nic(bp, true, false);
318c0c050c5SMichael Chan 		if ((!rc) && BNXT_PF(bp)) {
319c0c050c5SMichael Chan 			/* TODO CHIMP_FW: Send message to all VF's
320c0c050c5SMichael Chan 			 * to renable
321c0c050c5SMichael Chan 			 */
322c0c050c5SMichael Chan 		}
323c0c050c5SMichael Chan 	}
324c0c050c5SMichael Chan 
325c0c050c5SMichael Chan 	return rc;
326c0c050c5SMichael Chan }
327c0c050c5SMichael Chan 
328c0c050c5SMichael Chan #ifdef CONFIG_RFS_ACCEL
329c0c050c5SMichael Chan static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
330c0c050c5SMichael Chan 			    u32 *rule_locs)
331c0c050c5SMichael Chan {
332c0c050c5SMichael Chan 	int i, j = 0;
333c0c050c5SMichael Chan 
334c0c050c5SMichael Chan 	cmd->data = bp->ntp_fltr_count;
335c0c050c5SMichael Chan 	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
336c0c050c5SMichael Chan 		struct hlist_head *head;
337c0c050c5SMichael Chan 		struct bnxt_ntuple_filter *fltr;
338c0c050c5SMichael Chan 
339c0c050c5SMichael Chan 		head = &bp->ntp_fltr_hash_tbl[i];
340c0c050c5SMichael Chan 		rcu_read_lock();
341c0c050c5SMichael Chan 		hlist_for_each_entry_rcu(fltr, head, hash) {
342c0c050c5SMichael Chan 			if (j == cmd->rule_cnt)
343c0c050c5SMichael Chan 				break;
344c0c050c5SMichael Chan 			rule_locs[j++] = fltr->sw_id;
345c0c050c5SMichael Chan 		}
346c0c050c5SMichael Chan 		rcu_read_unlock();
347c0c050c5SMichael Chan 		if (j == cmd->rule_cnt)
348c0c050c5SMichael Chan 			break;
349c0c050c5SMichael Chan 	}
350c0c050c5SMichael Chan 	cmd->rule_cnt = j;
351c0c050c5SMichael Chan 	return 0;
352c0c050c5SMichael Chan }
353c0c050c5SMichael Chan 
354c0c050c5SMichael Chan static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
355c0c050c5SMichael Chan {
356c0c050c5SMichael Chan 	struct ethtool_rx_flow_spec *fs =
357c0c050c5SMichael Chan 		(struct ethtool_rx_flow_spec *)&cmd->fs;
358c0c050c5SMichael Chan 	struct bnxt_ntuple_filter *fltr;
359c0c050c5SMichael Chan 	struct flow_keys *fkeys;
360c0c050c5SMichael Chan 	int i, rc = -EINVAL;
361c0c050c5SMichael Chan 
362c0c050c5SMichael Chan 	if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
363c0c050c5SMichael Chan 		return rc;
364c0c050c5SMichael Chan 
365c0c050c5SMichael Chan 	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
366c0c050c5SMichael Chan 		struct hlist_head *head;
367c0c050c5SMichael Chan 
368c0c050c5SMichael Chan 		head = &bp->ntp_fltr_hash_tbl[i];
369c0c050c5SMichael Chan 		rcu_read_lock();
370c0c050c5SMichael Chan 		hlist_for_each_entry_rcu(fltr, head, hash) {
371c0c050c5SMichael Chan 			if (fltr->sw_id == fs->location)
372c0c050c5SMichael Chan 				goto fltr_found;
373c0c050c5SMichael Chan 		}
374c0c050c5SMichael Chan 		rcu_read_unlock();
375c0c050c5SMichael Chan 	}
376c0c050c5SMichael Chan 	return rc;
377c0c050c5SMichael Chan 
378c0c050c5SMichael Chan fltr_found:
379c0c050c5SMichael Chan 	fkeys = &fltr->fkeys;
380c0c050c5SMichael Chan 	if (fkeys->basic.ip_proto == IPPROTO_TCP)
381c0c050c5SMichael Chan 		fs->flow_type = TCP_V4_FLOW;
382c0c050c5SMichael Chan 	else if (fkeys->basic.ip_proto == IPPROTO_UDP)
383c0c050c5SMichael Chan 		fs->flow_type = UDP_V4_FLOW;
384c0c050c5SMichael Chan 	else
385c0c050c5SMichael Chan 		goto fltr_err;
386c0c050c5SMichael Chan 
387c0c050c5SMichael Chan 	fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
388c0c050c5SMichael Chan 	fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
389c0c050c5SMichael Chan 
390c0c050c5SMichael Chan 	fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
391c0c050c5SMichael Chan 	fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
392c0c050c5SMichael Chan 
393c0c050c5SMichael Chan 	fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
394c0c050c5SMichael Chan 	fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
395c0c050c5SMichael Chan 
396c0c050c5SMichael Chan 	fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
397c0c050c5SMichael Chan 	fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
398c0c050c5SMichael Chan 
399c0c050c5SMichael Chan 	fs->ring_cookie = fltr->rxq;
400c0c050c5SMichael Chan 	rc = 0;
401c0c050c5SMichael Chan 
402c0c050c5SMichael Chan fltr_err:
403c0c050c5SMichael Chan 	rcu_read_unlock();
404c0c050c5SMichael Chan 
405c0c050c5SMichael Chan 	return rc;
406c0c050c5SMichael Chan }
407c0c050c5SMichael Chan 
408c0c050c5SMichael Chan static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
409c0c050c5SMichael Chan 			  u32 *rule_locs)
410c0c050c5SMichael Chan {
411c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
412c0c050c5SMichael Chan 	int rc = 0;
413c0c050c5SMichael Chan 
414c0c050c5SMichael Chan 	switch (cmd->cmd) {
415c0c050c5SMichael Chan 	case ETHTOOL_GRXRINGS:
416c0c050c5SMichael Chan 		cmd->data = bp->rx_nr_rings;
417c0c050c5SMichael Chan 		break;
418c0c050c5SMichael Chan 
419c0c050c5SMichael Chan 	case ETHTOOL_GRXCLSRLCNT:
420c0c050c5SMichael Chan 		cmd->rule_cnt = bp->ntp_fltr_count;
421c0c050c5SMichael Chan 		cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
422c0c050c5SMichael Chan 		break;
423c0c050c5SMichael Chan 
424c0c050c5SMichael Chan 	case ETHTOOL_GRXCLSRLALL:
425c0c050c5SMichael Chan 		rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
426c0c050c5SMichael Chan 		break;
427c0c050c5SMichael Chan 
428c0c050c5SMichael Chan 	case ETHTOOL_GRXCLSRULE:
429c0c050c5SMichael Chan 		rc = bnxt_grxclsrule(bp, cmd);
430c0c050c5SMichael Chan 		break;
431c0c050c5SMichael Chan 
432c0c050c5SMichael Chan 	default:
433c0c050c5SMichael Chan 		rc = -EOPNOTSUPP;
434c0c050c5SMichael Chan 		break;
435c0c050c5SMichael Chan 	}
436c0c050c5SMichael Chan 
437c0c050c5SMichael Chan 	return rc;
438c0c050c5SMichael Chan }
439c0c050c5SMichael Chan #endif
440c0c050c5SMichael Chan 
441c0c050c5SMichael Chan static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
442c0c050c5SMichael Chan {
443c0c050c5SMichael Chan 	return HW_HASH_INDEX_SIZE;
444c0c050c5SMichael Chan }
445c0c050c5SMichael Chan 
446c0c050c5SMichael Chan static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
447c0c050c5SMichael Chan {
448c0c050c5SMichael Chan 	return HW_HASH_KEY_SIZE;
449c0c050c5SMichael Chan }
450c0c050c5SMichael Chan 
451c0c050c5SMichael Chan static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
452c0c050c5SMichael Chan 			 u8 *hfunc)
453c0c050c5SMichael Chan {
454c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
455c0c050c5SMichael Chan 	struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
456c0c050c5SMichael Chan 	int i = 0;
457c0c050c5SMichael Chan 
458c0c050c5SMichael Chan 	if (hfunc)
459c0c050c5SMichael Chan 		*hfunc = ETH_RSS_HASH_TOP;
460c0c050c5SMichael Chan 
461c0c050c5SMichael Chan 	if (indir)
462c0c050c5SMichael Chan 		for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
463c0c050c5SMichael Chan 			indir[i] = le16_to_cpu(vnic->rss_table[i]);
464c0c050c5SMichael Chan 
465c0c050c5SMichael Chan 	if (key)
466c0c050c5SMichael Chan 		memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
467c0c050c5SMichael Chan 
468c0c050c5SMichael Chan 	return 0;
469c0c050c5SMichael Chan }
470c0c050c5SMichael Chan 
471c0c050c5SMichael Chan static void bnxt_get_drvinfo(struct net_device *dev,
472c0c050c5SMichael Chan 			     struct ethtool_drvinfo *info)
473c0c050c5SMichael Chan {
474c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
4753ebf6f0aSRob Swindell 	char *pkglog;
4763ebf6f0aSRob Swindell 	char *pkgver = NULL;
477c0c050c5SMichael Chan 
4783ebf6f0aSRob Swindell 	pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
4793ebf6f0aSRob Swindell 	if (pkglog)
4803ebf6f0aSRob Swindell 		pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
481c0c050c5SMichael Chan 	strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
482c0c050c5SMichael Chan 	strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
4833ebf6f0aSRob Swindell 	if (pkgver && *pkgver != 0 && isdigit(*pkgver))
4843ebf6f0aSRob Swindell 		snprintf(info->fw_version, sizeof(info->fw_version) - 1,
4853ebf6f0aSRob Swindell 			 "%s pkg %s", bp->fw_ver_str, pkgver);
4863ebf6f0aSRob Swindell 	else
4873ebf6f0aSRob Swindell 		strlcpy(info->fw_version, bp->fw_ver_str,
4883ebf6f0aSRob Swindell 			sizeof(info->fw_version));
489c0c050c5SMichael Chan 	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
490c0c050c5SMichael Chan 	info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
491c0c050c5SMichael Chan 	info->testinfo_len = BNXT_NUM_TESTS(bp);
492c0c050c5SMichael Chan 	/* TODO CHIMP_FW: eeprom dump details */
493c0c050c5SMichael Chan 	info->eedump_len = 0;
494c0c050c5SMichael Chan 	/* TODO CHIMP FW: reg dump details */
495c0c050c5SMichael Chan 	info->regdump_len = 0;
4963ebf6f0aSRob Swindell 	kfree(pkglog);
497c0c050c5SMichael Chan }
498c0c050c5SMichael Chan 
49927c4d578SMichael Chan static u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
500c0c050c5SMichael Chan {
501c0c050c5SMichael Chan 	u32 speed_mask = 0;
502c0c050c5SMichael Chan 
503c0c050c5SMichael Chan 	/* TODO: support 25GB, 40GB, 50GB with different cable type */
504c0c050c5SMichael Chan 	/* set the advertised speeds */
505c0c050c5SMichael Chan 	if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
506c0c050c5SMichael Chan 		speed_mask |= ADVERTISED_100baseT_Full;
507c0c050c5SMichael Chan 	if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
508c0c050c5SMichael Chan 		speed_mask |= ADVERTISED_1000baseT_Full;
509c0c050c5SMichael Chan 	if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
510c0c050c5SMichael Chan 		speed_mask |= ADVERTISED_2500baseX_Full;
511c0c050c5SMichael Chan 	if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
512c0c050c5SMichael Chan 		speed_mask |= ADVERTISED_10000baseT_Full;
513c0c050c5SMichael Chan 	if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
5141c49c421SMichael Chan 		speed_mask |= ADVERTISED_40000baseCR4_Full;
51527c4d578SMichael Chan 
51627c4d578SMichael Chan 	if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
51727c4d578SMichael Chan 		speed_mask |= ADVERTISED_Pause;
51827c4d578SMichael Chan 	else if (fw_pause & BNXT_LINK_PAUSE_TX)
51927c4d578SMichael Chan 		speed_mask |= ADVERTISED_Asym_Pause;
52027c4d578SMichael Chan 	else if (fw_pause & BNXT_LINK_PAUSE_RX)
52127c4d578SMichael Chan 		speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
52227c4d578SMichael Chan 
523c0c050c5SMichael Chan 	return speed_mask;
524c0c050c5SMichael Chan }
525c0c050c5SMichael Chan 
52627c4d578SMichael Chan static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
52727c4d578SMichael Chan {
52827c4d578SMichael Chan 	u16 fw_speeds = link_info->auto_link_speeds;
52927c4d578SMichael Chan 	u8 fw_pause = 0;
53027c4d578SMichael Chan 
53127c4d578SMichael Chan 	if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
53227c4d578SMichael Chan 		fw_pause = link_info->auto_pause_setting;
53327c4d578SMichael Chan 
53427c4d578SMichael Chan 	return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause);
53527c4d578SMichael Chan }
53627c4d578SMichael Chan 
5373277360eSMichael Chan static u32 bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info)
5383277360eSMichael Chan {
5393277360eSMichael Chan 	u16 fw_speeds = link_info->lp_auto_link_speeds;
5403277360eSMichael Chan 	u8 fw_pause = 0;
5413277360eSMichael Chan 
5423277360eSMichael Chan 	if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
5433277360eSMichael Chan 		fw_pause = link_info->lp_pause;
5443277360eSMichael Chan 
5453277360eSMichael Chan 	return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause);
5463277360eSMichael Chan }
5473277360eSMichael Chan 
5484b32caccSMichael Chan static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
5494b32caccSMichael Chan {
5504b32caccSMichael Chan 	u16 fw_speeds = link_info->support_speeds;
5514b32caccSMichael Chan 	u32 supported;
5524b32caccSMichael Chan 
5534b32caccSMichael Chan 	supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
5544b32caccSMichael Chan 	return supported | SUPPORTED_Pause | SUPPORTED_Asym_Pause;
5554b32caccSMichael Chan }
5564b32caccSMichael Chan 
557c0c050c5SMichael Chan u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
558c0c050c5SMichael Chan {
559c0c050c5SMichael Chan 	switch (fw_link_speed) {
560c0c050c5SMichael Chan 	case BNXT_LINK_SPEED_100MB:
561c0c050c5SMichael Chan 		return SPEED_100;
562c0c050c5SMichael Chan 	case BNXT_LINK_SPEED_1GB:
563c0c050c5SMichael Chan 		return SPEED_1000;
564c0c050c5SMichael Chan 	case BNXT_LINK_SPEED_2_5GB:
565c0c050c5SMichael Chan 		return SPEED_2500;
566c0c050c5SMichael Chan 	case BNXT_LINK_SPEED_10GB:
567c0c050c5SMichael Chan 		return SPEED_10000;
568c0c050c5SMichael Chan 	case BNXT_LINK_SPEED_20GB:
569c0c050c5SMichael Chan 		return SPEED_20000;
570c0c050c5SMichael Chan 	case BNXT_LINK_SPEED_25GB:
571c0c050c5SMichael Chan 		return SPEED_25000;
572c0c050c5SMichael Chan 	case BNXT_LINK_SPEED_40GB:
573c0c050c5SMichael Chan 		return SPEED_40000;
574c0c050c5SMichael Chan 	case BNXT_LINK_SPEED_50GB:
575c0c050c5SMichael Chan 		return SPEED_50000;
576c0c050c5SMichael Chan 	default:
577c0c050c5SMichael Chan 		return SPEED_UNKNOWN;
578c0c050c5SMichael Chan 	}
579c0c050c5SMichael Chan }
580c0c050c5SMichael Chan 
581c0c050c5SMichael Chan static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
582c0c050c5SMichael Chan {
583c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
584c0c050c5SMichael Chan 	struct bnxt_link_info *link_info = &bp->link_info;
585c0c050c5SMichael Chan 	u16 ethtool_speed;
586c0c050c5SMichael Chan 
587c0c050c5SMichael Chan 	cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info);
588c0c050c5SMichael Chan 
589c0c050c5SMichael Chan 	if (link_info->auto_link_speeds)
590c0c050c5SMichael Chan 		cmd->supported |= SUPPORTED_Autoneg;
591c0c050c5SMichael Chan 
592b763499eSMichael Chan 	if (link_info->autoneg) {
593c0c050c5SMichael Chan 		cmd->advertising =
594c0c050c5SMichael Chan 			bnxt_fw_to_ethtool_advertised_spds(link_info);
595c0c050c5SMichael Chan 		cmd->advertising |= ADVERTISED_Autoneg;
596c0c050c5SMichael Chan 		cmd->autoneg = AUTONEG_ENABLE;
5973277360eSMichael Chan 		if (link_info->phy_link_status == BNXT_LINK_LINK)
5983277360eSMichael Chan 			cmd->lp_advertising =
5993277360eSMichael Chan 				bnxt_fw_to_ethtool_lp_adv(link_info);
600c0c050c5SMichael Chan 	} else {
601c0c050c5SMichael Chan 		cmd->autoneg = AUTONEG_DISABLE;
602c0c050c5SMichael Chan 		cmd->advertising = 0;
603c0c050c5SMichael Chan 	}
604c0c050c5SMichael Chan 
605c0c050c5SMichael Chan 	cmd->port = PORT_NONE;
606c0c050c5SMichael Chan 	if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
607c0c050c5SMichael Chan 		cmd->port = PORT_TP;
608c0c050c5SMichael Chan 		cmd->supported |= SUPPORTED_TP;
609c0c050c5SMichael Chan 		cmd->advertising |= ADVERTISED_TP;
610c0c050c5SMichael Chan 	} else {
611c0c050c5SMichael Chan 		cmd->supported |= SUPPORTED_FIBRE;
612c0c050c5SMichael Chan 		cmd->advertising |= ADVERTISED_FIBRE;
613c0c050c5SMichael Chan 
614c0c050c5SMichael Chan 		if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
615c0c050c5SMichael Chan 			cmd->port = PORT_DA;
616c0c050c5SMichael Chan 		else if (link_info->media_type ==
617c0c050c5SMichael Chan 			 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
618c0c050c5SMichael Chan 			cmd->port = PORT_FIBRE;
619c0c050c5SMichael Chan 	}
620c0c050c5SMichael Chan 
621c0c050c5SMichael Chan 	if (link_info->phy_link_status == BNXT_LINK_LINK) {
622c0c050c5SMichael Chan 		if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
623c0c050c5SMichael Chan 			cmd->duplex = DUPLEX_FULL;
624c0c050c5SMichael Chan 	} else {
625c0c050c5SMichael Chan 		cmd->duplex = DUPLEX_UNKNOWN;
626c0c050c5SMichael Chan 	}
627c0c050c5SMichael Chan 	ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
628c0c050c5SMichael Chan 	ethtool_cmd_speed_set(cmd, ethtool_speed);
629c0c050c5SMichael Chan 	if (link_info->transceiver ==
630c0c050c5SMichael Chan 		PORT_PHY_QCFG_RESP_TRANSCEIVER_TYPE_XCVR_INTERNAL)
631c0c050c5SMichael Chan 		cmd->transceiver = XCVR_INTERNAL;
632c0c050c5SMichael Chan 	else
633c0c050c5SMichael Chan 		cmd->transceiver = XCVR_EXTERNAL;
634c0c050c5SMichael Chan 	cmd->phy_address = link_info->phy_addr;
635c0c050c5SMichael Chan 
636c0c050c5SMichael Chan 	return 0;
637c0c050c5SMichael Chan }
638c0c050c5SMichael Chan 
639c0c050c5SMichael Chan static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
640c0c050c5SMichael Chan {
641c0c050c5SMichael Chan 	switch (ethtool_speed) {
642c0c050c5SMichael Chan 	case SPEED_100:
643c0c050c5SMichael Chan 		return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
644c0c050c5SMichael Chan 	case SPEED_1000:
645c0c050c5SMichael Chan 		return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
646c0c050c5SMichael Chan 	case SPEED_2500:
647c0c050c5SMichael Chan 		return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
648c0c050c5SMichael Chan 	case SPEED_10000:
649c0c050c5SMichael Chan 		return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
650c0c050c5SMichael Chan 	case SPEED_20000:
651c0c050c5SMichael Chan 		return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
652c0c050c5SMichael Chan 	case SPEED_25000:
653c0c050c5SMichael Chan 		return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
654c0c050c5SMichael Chan 	case SPEED_40000:
655c0c050c5SMichael Chan 		return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
656c0c050c5SMichael Chan 	case SPEED_50000:
657c0c050c5SMichael Chan 		return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
658c0c050c5SMichael Chan 	default:
659c0c050c5SMichael Chan 		netdev_err(dev, "unsupported speed!\n");
660c0c050c5SMichael Chan 		break;
661c0c050c5SMichael Chan 	}
662c0c050c5SMichael Chan 	return 0;
663c0c050c5SMichael Chan }
664c0c050c5SMichael Chan 
665c0c050c5SMichael Chan static u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
666c0c050c5SMichael Chan {
667c0c050c5SMichael Chan 	u16 fw_speed_mask = 0;
668c0c050c5SMichael Chan 
669c0c050c5SMichael Chan 	/* only support autoneg at speed 100, 1000, and 10000 */
670c0c050c5SMichael Chan 	if (advertising & (ADVERTISED_100baseT_Full |
671c0c050c5SMichael Chan 			   ADVERTISED_100baseT_Half)) {
672c0c050c5SMichael Chan 		fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
673c0c050c5SMichael Chan 	}
674c0c050c5SMichael Chan 	if (advertising & (ADVERTISED_1000baseT_Full |
675c0c050c5SMichael Chan 			   ADVERTISED_1000baseT_Half)) {
676c0c050c5SMichael Chan 		fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
677c0c050c5SMichael Chan 	}
678c0c050c5SMichael Chan 	if (advertising & ADVERTISED_10000baseT_Full)
679c0c050c5SMichael Chan 		fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
680c0c050c5SMichael Chan 
6811c49c421SMichael Chan 	if (advertising & ADVERTISED_40000baseCR4_Full)
6821c49c421SMichael Chan 		fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
6831c49c421SMichael Chan 
684c0c050c5SMichael Chan 	return fw_speed_mask;
685c0c050c5SMichael Chan }
686c0c050c5SMichael Chan 
687c0c050c5SMichael Chan static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
688c0c050c5SMichael Chan {
689c0c050c5SMichael Chan 	int rc = 0;
690c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
691c0c050c5SMichael Chan 	struct bnxt_link_info *link_info = &bp->link_info;
692c0c050c5SMichael Chan 	u32 speed, fw_advertising = 0;
693c0c050c5SMichael Chan 	bool set_pause = false;
694c0c050c5SMichael Chan 
695c0c050c5SMichael Chan 	if (BNXT_VF(bp))
696c0c050c5SMichael Chan 		return rc;
697c0c050c5SMichael Chan 
698c0c050c5SMichael Chan 	if (cmd->autoneg == AUTONEG_ENABLE) {
699*f1a082a6SMichael Chan 		u32 supported_spds = bnxt_fw_to_ethtool_support_spds(link_info);
700*f1a082a6SMichael Chan 
701*f1a082a6SMichael Chan 		if (cmd->advertising & ~(supported_spds | ADVERTISED_Autoneg |
702*f1a082a6SMichael Chan 					 ADVERTISED_TP | ADVERTISED_FIBRE)) {
703c0c050c5SMichael Chan 			netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n",
704c0c050c5SMichael Chan 				   cmd->advertising);
705c0c050c5SMichael Chan 			rc = -EINVAL;
706c0c050c5SMichael Chan 			goto set_setting_exit;
707c0c050c5SMichael Chan 		}
708c0c050c5SMichael Chan 		fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising);
709c0c050c5SMichael Chan 		if (fw_advertising & ~link_info->support_speeds) {
710c0c050c5SMichael Chan 			netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n",
711c0c050c5SMichael Chan 				   cmd->advertising);
712c0c050c5SMichael Chan 			rc = -EINVAL;
713c0c050c5SMichael Chan 			goto set_setting_exit;
714c0c050c5SMichael Chan 		}
715c0c050c5SMichael Chan 		link_info->autoneg |= BNXT_AUTONEG_SPEED;
716c0c050c5SMichael Chan 		if (!fw_advertising)
717c0c050c5SMichael Chan 			link_info->advertising = link_info->support_speeds;
718c0c050c5SMichael Chan 		else
719c0c050c5SMichael Chan 			link_info->advertising = fw_advertising;
720c0c050c5SMichael Chan 		/* any change to autoneg will cause link change, therefore the
721c0c050c5SMichael Chan 		 * driver should put back the original pause setting in autoneg
722c0c050c5SMichael Chan 		 */
723c0c050c5SMichael Chan 		set_pause = true;
724c0c050c5SMichael Chan 	} else {
725c0c050c5SMichael Chan 		/* TODO: currently don't support half duplex */
726c0c050c5SMichael Chan 		if (cmd->duplex == DUPLEX_HALF) {
727c0c050c5SMichael Chan 			netdev_err(dev, "HALF DUPLEX is not supported!\n");
728c0c050c5SMichael Chan 			rc = -EINVAL;
729c0c050c5SMichael Chan 			goto set_setting_exit;
730c0c050c5SMichael Chan 		}
731c0c050c5SMichael Chan 		/* If received a request for an unknown duplex, assume full*/
732c0c050c5SMichael Chan 		if (cmd->duplex == DUPLEX_UNKNOWN)
733c0c050c5SMichael Chan 			cmd->duplex = DUPLEX_FULL;
734c0c050c5SMichael Chan 		speed = ethtool_cmd_speed(cmd);
735c0c050c5SMichael Chan 		link_info->req_link_speed = bnxt_get_fw_speed(dev, speed);
736c0c050c5SMichael Chan 		link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
737b763499eSMichael Chan 		link_info->autoneg = 0;
738c0c050c5SMichael Chan 		link_info->advertising = 0;
739c0c050c5SMichael Chan 	}
740c0c050c5SMichael Chan 
741c0c050c5SMichael Chan 	if (netif_running(dev))
742c0c050c5SMichael Chan 		rc = bnxt_hwrm_set_link_setting(bp, set_pause);
743c0c050c5SMichael Chan 
744c0c050c5SMichael Chan set_setting_exit:
745c0c050c5SMichael Chan 	return rc;
746c0c050c5SMichael Chan }
747c0c050c5SMichael Chan 
748c0c050c5SMichael Chan static void bnxt_get_pauseparam(struct net_device *dev,
749c0c050c5SMichael Chan 				struct ethtool_pauseparam *epause)
750c0c050c5SMichael Chan {
751c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
752c0c050c5SMichael Chan 	struct bnxt_link_info *link_info = &bp->link_info;
753c0c050c5SMichael Chan 
754c0c050c5SMichael Chan 	if (BNXT_VF(bp))
755c0c050c5SMichael Chan 		return;
756b763499eSMichael Chan 	epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
7573277360eSMichael Chan 	epause->rx_pause =
7583277360eSMichael Chan 		((link_info->auto_pause_setting & BNXT_LINK_PAUSE_RX) != 0);
7593277360eSMichael Chan 	epause->tx_pause =
7603277360eSMichael Chan 		((link_info->auto_pause_setting & BNXT_LINK_PAUSE_TX) != 0);
761c0c050c5SMichael Chan }
762c0c050c5SMichael Chan 
763c0c050c5SMichael Chan static int bnxt_set_pauseparam(struct net_device *dev,
764c0c050c5SMichael Chan 			       struct ethtool_pauseparam *epause)
765c0c050c5SMichael Chan {
766c0c050c5SMichael Chan 	int rc = 0;
767c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
768c0c050c5SMichael Chan 	struct bnxt_link_info *link_info = &bp->link_info;
769c0c050c5SMichael Chan 
770c0c050c5SMichael Chan 	if (BNXT_VF(bp))
771c0c050c5SMichael Chan 		return rc;
772c0c050c5SMichael Chan 
773c0c050c5SMichael Chan 	if (epause->autoneg) {
774b763499eSMichael Chan 		if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
775b763499eSMichael Chan 			return -EINVAL;
776b763499eSMichael Chan 
777c0c050c5SMichael Chan 		link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
778c0c050c5SMichael Chan 		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH;
779c0c050c5SMichael Chan 	} else {
780c0c050c5SMichael Chan 		/* when transition from auto pause to force pause,
781c0c050c5SMichael Chan 		 * force a link change
782c0c050c5SMichael Chan 		 */
783c0c050c5SMichael Chan 		if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
784c0c050c5SMichael Chan 			link_info->force_link_chng = true;
785c0c050c5SMichael Chan 		link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
786c0c050c5SMichael Chan 		link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_BOTH;
787c0c050c5SMichael Chan 	}
788c0c050c5SMichael Chan 	if (epause->rx_pause)
789c0c050c5SMichael Chan 		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
790c0c050c5SMichael Chan 	else
791c0c050c5SMichael Chan 		link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_RX;
792c0c050c5SMichael Chan 
793c0c050c5SMichael Chan 	if (epause->tx_pause)
794c0c050c5SMichael Chan 		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
795c0c050c5SMichael Chan 	else
796c0c050c5SMichael Chan 		link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_TX;
797c0c050c5SMichael Chan 
798c0c050c5SMichael Chan 	if (netif_running(dev))
799c0c050c5SMichael Chan 		rc = bnxt_hwrm_set_pause(bp);
800c0c050c5SMichael Chan 	return rc;
801c0c050c5SMichael Chan }
802c0c050c5SMichael Chan 
803c0c050c5SMichael Chan static u32 bnxt_get_link(struct net_device *dev)
804c0c050c5SMichael Chan {
805c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
806c0c050c5SMichael Chan 
807c0c050c5SMichael Chan 	/* TODO: handle MF, VF, driver close case */
808c0c050c5SMichael Chan 	return bp->link_info.link_up;
809c0c050c5SMichael Chan }
810c0c050c5SMichael Chan 
811c0c050c5SMichael Chan static int bnxt_flash_nvram(struct net_device *dev,
812c0c050c5SMichael Chan 			    u16 dir_type,
813c0c050c5SMichael Chan 			    u16 dir_ordinal,
814c0c050c5SMichael Chan 			    u16 dir_ext,
815c0c050c5SMichael Chan 			    u16 dir_attr,
816c0c050c5SMichael Chan 			    const u8 *data,
817c0c050c5SMichael Chan 			    size_t data_len)
818c0c050c5SMichael Chan {
819c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
820c0c050c5SMichael Chan 	int rc;
821c0c050c5SMichael Chan 	struct hwrm_nvm_write_input req = {0};
822c0c050c5SMichael Chan 	dma_addr_t dma_handle;
823c0c050c5SMichael Chan 	u8 *kmem;
824c0c050c5SMichael Chan 
825c0c050c5SMichael Chan 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
826c0c050c5SMichael Chan 
827c0c050c5SMichael Chan 	req.dir_type = cpu_to_le16(dir_type);
828c0c050c5SMichael Chan 	req.dir_ordinal = cpu_to_le16(dir_ordinal);
829c0c050c5SMichael Chan 	req.dir_ext = cpu_to_le16(dir_ext);
830c0c050c5SMichael Chan 	req.dir_attr = cpu_to_le16(dir_attr);
831c0c050c5SMichael Chan 	req.dir_data_length = cpu_to_le32(data_len);
832c0c050c5SMichael Chan 
833c0c050c5SMichael Chan 	kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
834c0c050c5SMichael Chan 				  GFP_KERNEL);
835c0c050c5SMichael Chan 	if (!kmem) {
836c0c050c5SMichael Chan 		netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
837c0c050c5SMichael Chan 			   (unsigned)data_len);
838c0c050c5SMichael Chan 		return -ENOMEM;
839c0c050c5SMichael Chan 	}
840c0c050c5SMichael Chan 	memcpy(kmem, data, data_len);
841c0c050c5SMichael Chan 	req.host_src_addr = cpu_to_le64(dma_handle);
842c0c050c5SMichael Chan 
843c0c050c5SMichael Chan 	rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
844c0c050c5SMichael Chan 	dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
845c0c050c5SMichael Chan 
846c0c050c5SMichael Chan 	return rc;
847c0c050c5SMichael Chan }
848c0c050c5SMichael Chan 
849d2d6318cSRob Swindell static int bnxt_firmware_reset(struct net_device *dev,
850d2d6318cSRob Swindell 			       u16 dir_type)
851d2d6318cSRob Swindell {
852d2d6318cSRob Swindell 	struct bnxt *bp = netdev_priv(dev);
853d2d6318cSRob Swindell 	struct hwrm_fw_reset_input req = {0};
854d2d6318cSRob Swindell 
855d2d6318cSRob Swindell 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
856d2d6318cSRob Swindell 
857d2d6318cSRob Swindell 	/* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
858d2d6318cSRob Swindell 	/* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
859d2d6318cSRob Swindell 	/*       (e.g. when firmware isn't already running) */
860d2d6318cSRob Swindell 	switch (dir_type) {
861d2d6318cSRob Swindell 	case BNX_DIR_TYPE_CHIMP_PATCH:
862d2d6318cSRob Swindell 	case BNX_DIR_TYPE_BOOTCODE:
863d2d6318cSRob Swindell 	case BNX_DIR_TYPE_BOOTCODE_2:
864d2d6318cSRob Swindell 		req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
865d2d6318cSRob Swindell 		/* Self-reset ChiMP upon next PCIe reset: */
866d2d6318cSRob Swindell 		req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
867d2d6318cSRob Swindell 		break;
868d2d6318cSRob Swindell 	case BNX_DIR_TYPE_APE_FW:
869d2d6318cSRob Swindell 	case BNX_DIR_TYPE_APE_PATCH:
870d2d6318cSRob Swindell 		req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
871d2d6318cSRob Swindell 		break;
872d2d6318cSRob Swindell 	case BNX_DIR_TYPE_KONG_FW:
873d2d6318cSRob Swindell 	case BNX_DIR_TYPE_KONG_PATCH:
874d2d6318cSRob Swindell 		req.embedded_proc_type =
875d2d6318cSRob Swindell 			FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
876d2d6318cSRob Swindell 		break;
877d2d6318cSRob Swindell 	case BNX_DIR_TYPE_BONO_FW:
878d2d6318cSRob Swindell 	case BNX_DIR_TYPE_BONO_PATCH:
879d2d6318cSRob Swindell 		req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
880d2d6318cSRob Swindell 		break;
881d2d6318cSRob Swindell 	default:
882d2d6318cSRob Swindell 		return -EINVAL;
883d2d6318cSRob Swindell 	}
884d2d6318cSRob Swindell 
885d2d6318cSRob Swindell 	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
886d2d6318cSRob Swindell }
887d2d6318cSRob Swindell 
888c0c050c5SMichael Chan static int bnxt_flash_firmware(struct net_device *dev,
889c0c050c5SMichael Chan 			       u16 dir_type,
890c0c050c5SMichael Chan 			       const u8 *fw_data,
891c0c050c5SMichael Chan 			       size_t fw_size)
892c0c050c5SMichael Chan {
893c0c050c5SMichael Chan 	int	rc = 0;
894c0c050c5SMichael Chan 	u16	code_type;
895c0c050c5SMichael Chan 	u32	stored_crc;
896c0c050c5SMichael Chan 	u32	calculated_crc;
897c0c050c5SMichael Chan 	struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
898c0c050c5SMichael Chan 
899c0c050c5SMichael Chan 	switch (dir_type) {
900c0c050c5SMichael Chan 	case BNX_DIR_TYPE_BOOTCODE:
901c0c050c5SMichael Chan 	case BNX_DIR_TYPE_BOOTCODE_2:
902c0c050c5SMichael Chan 		code_type = CODE_BOOT;
903c0c050c5SMichael Chan 		break;
9042731d70fSRob Swindell 	case BNX_DIR_TYPE_APE_FW:
9052731d70fSRob Swindell 		code_type = CODE_MCTP_PASSTHRU;
9062731d70fSRob Swindell 		break;
907c0c050c5SMichael Chan 	default:
908c0c050c5SMichael Chan 		netdev_err(dev, "Unsupported directory entry type: %u\n",
909c0c050c5SMichael Chan 			   dir_type);
910c0c050c5SMichael Chan 		return -EINVAL;
911c0c050c5SMichael Chan 	}
912c0c050c5SMichael Chan 	if (fw_size < sizeof(struct bnxt_fw_header)) {
913c0c050c5SMichael Chan 		netdev_err(dev, "Invalid firmware file size: %u\n",
914c0c050c5SMichael Chan 			   (unsigned int)fw_size);
915c0c050c5SMichael Chan 		return -EINVAL;
916c0c050c5SMichael Chan 	}
917c0c050c5SMichael Chan 	if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
918c0c050c5SMichael Chan 		netdev_err(dev, "Invalid firmware signature: %08X\n",
919c0c050c5SMichael Chan 			   le32_to_cpu(header->signature));
920c0c050c5SMichael Chan 		return -EINVAL;
921c0c050c5SMichael Chan 	}
922c0c050c5SMichael Chan 	if (header->code_type != code_type) {
923c0c050c5SMichael Chan 		netdev_err(dev, "Expected firmware type: %d, read: %d\n",
924c0c050c5SMichael Chan 			   code_type, header->code_type);
925c0c050c5SMichael Chan 		return -EINVAL;
926c0c050c5SMichael Chan 	}
927c0c050c5SMichael Chan 	if (header->device != DEVICE_CUMULUS_FAMILY) {
928c0c050c5SMichael Chan 		netdev_err(dev, "Expected firmware device family %d, read: %d\n",
929c0c050c5SMichael Chan 			   DEVICE_CUMULUS_FAMILY, header->device);
930c0c050c5SMichael Chan 		return -EINVAL;
931c0c050c5SMichael Chan 	}
932c0c050c5SMichael Chan 	/* Confirm the CRC32 checksum of the file: */
933c0c050c5SMichael Chan 	stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
934c0c050c5SMichael Chan 					     sizeof(stored_crc)));
935c0c050c5SMichael Chan 	calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
936c0c050c5SMichael Chan 	if (calculated_crc != stored_crc) {
937c0c050c5SMichael Chan 		netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
938c0c050c5SMichael Chan 			   (unsigned long)stored_crc,
939c0c050c5SMichael Chan 			   (unsigned long)calculated_crc);
940c0c050c5SMichael Chan 		return -EINVAL;
941c0c050c5SMichael Chan 	}
942c0c050c5SMichael Chan 	/* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
943c0c050c5SMichael Chan 	rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
944c0c050c5SMichael Chan 			      0, 0, fw_data, fw_size);
945d2d6318cSRob Swindell 	if (rc == 0)	/* Firmware update successful */
946d2d6318cSRob Swindell 		rc = bnxt_firmware_reset(dev, dir_type);
947d2d6318cSRob Swindell 
948c0c050c5SMichael Chan 	return rc;
949c0c050c5SMichael Chan }
950c0c050c5SMichael Chan 
951c0c050c5SMichael Chan static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
952c0c050c5SMichael Chan {
953c0c050c5SMichael Chan 	switch (dir_type) {
954c0c050c5SMichael Chan 	case BNX_DIR_TYPE_CHIMP_PATCH:
955c0c050c5SMichael Chan 	case BNX_DIR_TYPE_BOOTCODE:
956c0c050c5SMichael Chan 	case BNX_DIR_TYPE_BOOTCODE_2:
957c0c050c5SMichael Chan 	case BNX_DIR_TYPE_APE_FW:
958c0c050c5SMichael Chan 	case BNX_DIR_TYPE_APE_PATCH:
959c0c050c5SMichael Chan 	case BNX_DIR_TYPE_KONG_FW:
960c0c050c5SMichael Chan 	case BNX_DIR_TYPE_KONG_PATCH:
961c0c050c5SMichael Chan 		return true;
962c0c050c5SMichael Chan 	}
963c0c050c5SMichael Chan 
964c0c050c5SMichael Chan 	return false;
965c0c050c5SMichael Chan }
966c0c050c5SMichael Chan 
967c0c050c5SMichael Chan static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
968c0c050c5SMichael Chan {
969c0c050c5SMichael Chan 	switch (dir_type) {
970c0c050c5SMichael Chan 	case BNX_DIR_TYPE_AVS:
971c0c050c5SMichael Chan 	case BNX_DIR_TYPE_EXP_ROM_MBA:
972c0c050c5SMichael Chan 	case BNX_DIR_TYPE_PCIE:
973c0c050c5SMichael Chan 	case BNX_DIR_TYPE_TSCF_UCODE:
974c0c050c5SMichael Chan 	case BNX_DIR_TYPE_EXT_PHY:
975c0c050c5SMichael Chan 	case BNX_DIR_TYPE_CCM:
976c0c050c5SMichael Chan 	case BNX_DIR_TYPE_ISCSI_BOOT:
977c0c050c5SMichael Chan 	case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
978c0c050c5SMichael Chan 	case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
979c0c050c5SMichael Chan 		return true;
980c0c050c5SMichael Chan 	}
981c0c050c5SMichael Chan 
982c0c050c5SMichael Chan 	return false;
983c0c050c5SMichael Chan }
984c0c050c5SMichael Chan 
985c0c050c5SMichael Chan static bool bnxt_dir_type_is_executable(u16 dir_type)
986c0c050c5SMichael Chan {
987c0c050c5SMichael Chan 	return bnxt_dir_type_is_ape_bin_format(dir_type) ||
988c0c050c5SMichael Chan 		bnxt_dir_type_is_unprotected_exec_format(dir_type);
989c0c050c5SMichael Chan }
990c0c050c5SMichael Chan 
991c0c050c5SMichael Chan static int bnxt_flash_firmware_from_file(struct net_device *dev,
992c0c050c5SMichael Chan 					 u16 dir_type,
993c0c050c5SMichael Chan 					 const char *filename)
994c0c050c5SMichael Chan {
995c0c050c5SMichael Chan 	const struct firmware  *fw;
996c0c050c5SMichael Chan 	int			rc;
997c0c050c5SMichael Chan 
998c0c050c5SMichael Chan 	if (bnxt_dir_type_is_executable(dir_type) == false)
999c0c050c5SMichael Chan 		return -EINVAL;
1000c0c050c5SMichael Chan 
1001c0c050c5SMichael Chan 	rc = request_firmware(&fw, filename, &dev->dev);
1002c0c050c5SMichael Chan 	if (rc != 0) {
1003c0c050c5SMichael Chan 		netdev_err(dev, "Error %d requesting firmware file: %s\n",
1004c0c050c5SMichael Chan 			   rc, filename);
1005c0c050c5SMichael Chan 		return rc;
1006c0c050c5SMichael Chan 	}
1007c0c050c5SMichael Chan 	if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1008c0c050c5SMichael Chan 		rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1009c0c050c5SMichael Chan 	else
1010c0c050c5SMichael Chan 		rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1011c0c050c5SMichael Chan 				      0, 0, fw->data, fw->size);
1012c0c050c5SMichael Chan 	release_firmware(fw);
1013c0c050c5SMichael Chan 	return rc;
1014c0c050c5SMichael Chan }
1015c0c050c5SMichael Chan 
1016c0c050c5SMichael Chan static int bnxt_flash_package_from_file(struct net_device *dev,
1017c0c050c5SMichael Chan 					char *filename)
1018c0c050c5SMichael Chan {
1019c0c050c5SMichael Chan 	netdev_err(dev, "packages are not yet supported\n");
1020c0c050c5SMichael Chan 	return -EINVAL;
1021c0c050c5SMichael Chan }
1022c0c050c5SMichael Chan 
1023c0c050c5SMichael Chan static int bnxt_flash_device(struct net_device *dev,
1024c0c050c5SMichael Chan 			     struct ethtool_flash *flash)
1025c0c050c5SMichael Chan {
1026c0c050c5SMichael Chan 	if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1027c0c050c5SMichael Chan 		netdev_err(dev, "flashdev not supported from a virtual function\n");
1028c0c050c5SMichael Chan 		return -EINVAL;
1029c0c050c5SMichael Chan 	}
1030c0c050c5SMichael Chan 
1031c0c050c5SMichael Chan 	if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1032c0c050c5SMichael Chan 		return bnxt_flash_package_from_file(dev, flash->data);
1033c0c050c5SMichael Chan 
1034c0c050c5SMichael Chan 	return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1035c0c050c5SMichael Chan }
1036c0c050c5SMichael Chan 
1037c0c050c5SMichael Chan static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1038c0c050c5SMichael Chan {
1039c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
1040c0c050c5SMichael Chan 	int rc;
1041c0c050c5SMichael Chan 	struct hwrm_nvm_get_dir_info_input req = {0};
1042c0c050c5SMichael Chan 	struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1043c0c050c5SMichael Chan 
1044c0c050c5SMichael Chan 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1045c0c050c5SMichael Chan 
1046c0c050c5SMichael Chan 	mutex_lock(&bp->hwrm_cmd_lock);
1047c0c050c5SMichael Chan 	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1048c0c050c5SMichael Chan 	if (!rc) {
1049c0c050c5SMichael Chan 		*entries = le32_to_cpu(output->entries);
1050c0c050c5SMichael Chan 		*length = le32_to_cpu(output->entry_length);
1051c0c050c5SMichael Chan 	}
1052c0c050c5SMichael Chan 	mutex_unlock(&bp->hwrm_cmd_lock);
1053c0c050c5SMichael Chan 	return rc;
1054c0c050c5SMichael Chan }
1055c0c050c5SMichael Chan 
1056c0c050c5SMichael Chan static int bnxt_get_eeprom_len(struct net_device *dev)
1057c0c050c5SMichael Chan {
1058c0c050c5SMichael Chan 	/* The -1 return value allows the entire 32-bit range of offsets to be
1059c0c050c5SMichael Chan 	 * passed via the ethtool command-line utility.
1060c0c050c5SMichael Chan 	 */
1061c0c050c5SMichael Chan 	return -1;
1062c0c050c5SMichael Chan }
1063c0c050c5SMichael Chan 
1064c0c050c5SMichael Chan static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1065c0c050c5SMichael Chan {
1066c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
1067c0c050c5SMichael Chan 	int rc;
1068c0c050c5SMichael Chan 	u32 dir_entries;
1069c0c050c5SMichael Chan 	u32 entry_length;
1070c0c050c5SMichael Chan 	u8 *buf;
1071c0c050c5SMichael Chan 	size_t buflen;
1072c0c050c5SMichael Chan 	dma_addr_t dma_handle;
1073c0c050c5SMichael Chan 	struct hwrm_nvm_get_dir_entries_input req = {0};
1074c0c050c5SMichael Chan 
1075c0c050c5SMichael Chan 	rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1076c0c050c5SMichael Chan 	if (rc != 0)
1077c0c050c5SMichael Chan 		return rc;
1078c0c050c5SMichael Chan 
1079c0c050c5SMichael Chan 	/* Insert 2 bytes of directory info (count and size of entries) */
1080c0c050c5SMichael Chan 	if (len < 2)
1081c0c050c5SMichael Chan 		return -EINVAL;
1082c0c050c5SMichael Chan 
1083c0c050c5SMichael Chan 	*data++ = dir_entries;
1084c0c050c5SMichael Chan 	*data++ = entry_length;
1085c0c050c5SMichael Chan 	len -= 2;
1086c0c050c5SMichael Chan 	memset(data, 0xff, len);
1087c0c050c5SMichael Chan 
1088c0c050c5SMichael Chan 	buflen = dir_entries * entry_length;
1089c0c050c5SMichael Chan 	buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1090c0c050c5SMichael Chan 				 GFP_KERNEL);
1091c0c050c5SMichael Chan 	if (!buf) {
1092c0c050c5SMichael Chan 		netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1093c0c050c5SMichael Chan 			   (unsigned)buflen);
1094c0c050c5SMichael Chan 		return -ENOMEM;
1095c0c050c5SMichael Chan 	}
1096c0c050c5SMichael Chan 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1097c0c050c5SMichael Chan 	req.host_dest_addr = cpu_to_le64(dma_handle);
1098c0c050c5SMichael Chan 	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1099c0c050c5SMichael Chan 	if (rc == 0)
1100c0c050c5SMichael Chan 		memcpy(data, buf, len > buflen ? buflen : len);
1101c0c050c5SMichael Chan 	dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1102c0c050c5SMichael Chan 	return rc;
1103c0c050c5SMichael Chan }
1104c0c050c5SMichael Chan 
1105c0c050c5SMichael Chan static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1106c0c050c5SMichael Chan 			       u32 length, u8 *data)
1107c0c050c5SMichael Chan {
1108c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
1109c0c050c5SMichael Chan 	int rc;
1110c0c050c5SMichael Chan 	u8 *buf;
1111c0c050c5SMichael Chan 	dma_addr_t dma_handle;
1112c0c050c5SMichael Chan 	struct hwrm_nvm_read_input req = {0};
1113c0c050c5SMichael Chan 
1114c0c050c5SMichael Chan 	buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1115c0c050c5SMichael Chan 				 GFP_KERNEL);
1116c0c050c5SMichael Chan 	if (!buf) {
1117c0c050c5SMichael Chan 		netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1118c0c050c5SMichael Chan 			   (unsigned)length);
1119c0c050c5SMichael Chan 		return -ENOMEM;
1120c0c050c5SMichael Chan 	}
1121c0c050c5SMichael Chan 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1122c0c050c5SMichael Chan 	req.host_dest_addr = cpu_to_le64(dma_handle);
1123c0c050c5SMichael Chan 	req.dir_idx = cpu_to_le16(index);
1124c0c050c5SMichael Chan 	req.offset = cpu_to_le32(offset);
1125c0c050c5SMichael Chan 	req.len = cpu_to_le32(length);
1126c0c050c5SMichael Chan 
1127c0c050c5SMichael Chan 	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1128c0c050c5SMichael Chan 	if (rc == 0)
1129c0c050c5SMichael Chan 		memcpy(data, buf, length);
1130c0c050c5SMichael Chan 	dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1131c0c050c5SMichael Chan 	return rc;
1132c0c050c5SMichael Chan }
1133c0c050c5SMichael Chan 
11343ebf6f0aSRob Swindell static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
11353ebf6f0aSRob Swindell 				u16 ext, u16 *index, u32 *item_length,
11363ebf6f0aSRob Swindell 				u32 *data_length)
11373ebf6f0aSRob Swindell {
11383ebf6f0aSRob Swindell 	struct bnxt *bp = netdev_priv(dev);
11393ebf6f0aSRob Swindell 	int rc;
11403ebf6f0aSRob Swindell 	struct hwrm_nvm_find_dir_entry_input req = {0};
11413ebf6f0aSRob Swindell 	struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
11423ebf6f0aSRob Swindell 
11433ebf6f0aSRob Swindell 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
11443ebf6f0aSRob Swindell 	req.enables = 0;
11453ebf6f0aSRob Swindell 	req.dir_idx = 0;
11463ebf6f0aSRob Swindell 	req.dir_type = cpu_to_le16(type);
11473ebf6f0aSRob Swindell 	req.dir_ordinal = cpu_to_le16(ordinal);
11483ebf6f0aSRob Swindell 	req.dir_ext = cpu_to_le16(ext);
11493ebf6f0aSRob Swindell 	req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
115090e20921SMichael Chan 	rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
11513ebf6f0aSRob Swindell 	if (rc == 0) {
11523ebf6f0aSRob Swindell 		if (index)
11533ebf6f0aSRob Swindell 			*index = le16_to_cpu(output->dir_idx);
11543ebf6f0aSRob Swindell 		if (item_length)
11553ebf6f0aSRob Swindell 			*item_length = le32_to_cpu(output->dir_item_length);
11563ebf6f0aSRob Swindell 		if (data_length)
11573ebf6f0aSRob Swindell 			*data_length = le32_to_cpu(output->dir_data_length);
11583ebf6f0aSRob Swindell 	}
11593ebf6f0aSRob Swindell 	return rc;
11603ebf6f0aSRob Swindell }
11613ebf6f0aSRob Swindell 
11623ebf6f0aSRob Swindell static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
11633ebf6f0aSRob Swindell {
11643ebf6f0aSRob Swindell 	char	*retval = NULL;
11653ebf6f0aSRob Swindell 	char	*p;
11663ebf6f0aSRob Swindell 	char	*value;
11673ebf6f0aSRob Swindell 	int	field = 0;
11683ebf6f0aSRob Swindell 
11693ebf6f0aSRob Swindell 	if (datalen < 1)
11703ebf6f0aSRob Swindell 		return NULL;
11713ebf6f0aSRob Swindell 	/* null-terminate the log data (removing last '\n'): */
11723ebf6f0aSRob Swindell 	data[datalen - 1] = 0;
11733ebf6f0aSRob Swindell 	for (p = data; *p != 0; p++) {
11743ebf6f0aSRob Swindell 		field = 0;
11753ebf6f0aSRob Swindell 		retval = NULL;
11763ebf6f0aSRob Swindell 		while (*p != 0 && *p != '\n') {
11773ebf6f0aSRob Swindell 			value = p;
11783ebf6f0aSRob Swindell 			while (*p != 0 && *p != '\t' && *p != '\n')
11793ebf6f0aSRob Swindell 				p++;
11803ebf6f0aSRob Swindell 			if (field == desired_field)
11813ebf6f0aSRob Swindell 				retval = value;
11823ebf6f0aSRob Swindell 			if (*p != '\t')
11833ebf6f0aSRob Swindell 				break;
11843ebf6f0aSRob Swindell 			*p = 0;
11853ebf6f0aSRob Swindell 			field++;
11863ebf6f0aSRob Swindell 			p++;
11873ebf6f0aSRob Swindell 		}
11883ebf6f0aSRob Swindell 		if (*p == 0)
11893ebf6f0aSRob Swindell 			break;
11903ebf6f0aSRob Swindell 		*p = 0;
11913ebf6f0aSRob Swindell 	}
11923ebf6f0aSRob Swindell 	return retval;
11933ebf6f0aSRob Swindell }
11943ebf6f0aSRob Swindell 
11953ebf6f0aSRob Swindell static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
11963ebf6f0aSRob Swindell {
11973ebf6f0aSRob Swindell 	u16 index = 0;
11983ebf6f0aSRob Swindell 	u32 datalen;
11993ebf6f0aSRob Swindell 
12003ebf6f0aSRob Swindell 	if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
12013ebf6f0aSRob Swindell 				 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
12023ebf6f0aSRob Swindell 				 &index, NULL, &datalen) != 0)
12033ebf6f0aSRob Swindell 		return NULL;
12043ebf6f0aSRob Swindell 
12053ebf6f0aSRob Swindell 	memset(buf, 0, buflen);
12063ebf6f0aSRob Swindell 	if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
12073ebf6f0aSRob Swindell 		return NULL;
12083ebf6f0aSRob Swindell 
12093ebf6f0aSRob Swindell 	return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
12103ebf6f0aSRob Swindell 		datalen);
12113ebf6f0aSRob Swindell }
12123ebf6f0aSRob Swindell 
1213c0c050c5SMichael Chan static int bnxt_get_eeprom(struct net_device *dev,
1214c0c050c5SMichael Chan 			   struct ethtool_eeprom *eeprom,
1215c0c050c5SMichael Chan 			   u8 *data)
1216c0c050c5SMichael Chan {
1217c0c050c5SMichael Chan 	u32 index;
1218c0c050c5SMichael Chan 	u32 offset;
1219c0c050c5SMichael Chan 
1220c0c050c5SMichael Chan 	if (eeprom->offset == 0) /* special offset value to get directory */
1221c0c050c5SMichael Chan 		return bnxt_get_nvram_directory(dev, eeprom->len, data);
1222c0c050c5SMichael Chan 
1223c0c050c5SMichael Chan 	index = eeprom->offset >> 24;
1224c0c050c5SMichael Chan 	offset = eeprom->offset & 0xffffff;
1225c0c050c5SMichael Chan 
1226c0c050c5SMichael Chan 	if (index == 0) {
1227c0c050c5SMichael Chan 		netdev_err(dev, "unsupported index value: %d\n", index);
1228c0c050c5SMichael Chan 		return -EINVAL;
1229c0c050c5SMichael Chan 	}
1230c0c050c5SMichael Chan 
1231c0c050c5SMichael Chan 	return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1232c0c050c5SMichael Chan }
1233c0c050c5SMichael Chan 
1234c0c050c5SMichael Chan static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1235c0c050c5SMichael Chan {
1236c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
1237c0c050c5SMichael Chan 	struct hwrm_nvm_erase_dir_entry_input req = {0};
1238c0c050c5SMichael Chan 
1239c0c050c5SMichael Chan 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1240c0c050c5SMichael Chan 	req.dir_idx = cpu_to_le16(index);
1241c0c050c5SMichael Chan 	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1242c0c050c5SMichael Chan }
1243c0c050c5SMichael Chan 
1244c0c050c5SMichael Chan static int bnxt_set_eeprom(struct net_device *dev,
1245c0c050c5SMichael Chan 			   struct ethtool_eeprom *eeprom,
1246c0c050c5SMichael Chan 			   u8 *data)
1247c0c050c5SMichael Chan {
1248c0c050c5SMichael Chan 	struct bnxt *bp = netdev_priv(dev);
1249c0c050c5SMichael Chan 	u8 index, dir_op;
1250c0c050c5SMichael Chan 	u16 type, ext, ordinal, attr;
1251c0c050c5SMichael Chan 
1252c0c050c5SMichael Chan 	if (!BNXT_PF(bp)) {
1253c0c050c5SMichael Chan 		netdev_err(dev, "NVM write not supported from a virtual function\n");
1254c0c050c5SMichael Chan 		return -EINVAL;
1255c0c050c5SMichael Chan 	}
1256c0c050c5SMichael Chan 
1257c0c050c5SMichael Chan 	type = eeprom->magic >> 16;
1258c0c050c5SMichael Chan 
1259c0c050c5SMichael Chan 	if (type == 0xffff) { /* special value for directory operations */
1260c0c050c5SMichael Chan 		index = eeprom->magic & 0xff;
1261c0c050c5SMichael Chan 		dir_op = eeprom->magic >> 8;
1262c0c050c5SMichael Chan 		if (index == 0)
1263c0c050c5SMichael Chan 			return -EINVAL;
1264c0c050c5SMichael Chan 		switch (dir_op) {
1265c0c050c5SMichael Chan 		case 0x0e: /* erase */
1266c0c050c5SMichael Chan 			if (eeprom->offset != ~eeprom->magic)
1267c0c050c5SMichael Chan 				return -EINVAL;
1268c0c050c5SMichael Chan 			return bnxt_erase_nvram_directory(dev, index - 1);
1269c0c050c5SMichael Chan 		default:
1270c0c050c5SMichael Chan 			return -EINVAL;
1271c0c050c5SMichael Chan 		}
1272c0c050c5SMichael Chan 	}
1273c0c050c5SMichael Chan 
1274c0c050c5SMichael Chan 	/* Create or re-write an NVM item: */
1275c0c050c5SMichael Chan 	if (bnxt_dir_type_is_executable(type) == true)
1276c0c050c5SMichael Chan 		return -EINVAL;
1277c0c050c5SMichael Chan 	ext = eeprom->magic & 0xffff;
1278c0c050c5SMichael Chan 	ordinal = eeprom->offset >> 16;
1279c0c050c5SMichael Chan 	attr = eeprom->offset & 0xffff;
1280c0c050c5SMichael Chan 
1281c0c050c5SMichael Chan 	return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1282c0c050c5SMichael Chan 				eeprom->len);
1283c0c050c5SMichael Chan }
1284c0c050c5SMichael Chan 
1285c0c050c5SMichael Chan const struct ethtool_ops bnxt_ethtool_ops = {
1286c0c050c5SMichael Chan 	.get_settings		= bnxt_get_settings,
1287c0c050c5SMichael Chan 	.set_settings		= bnxt_set_settings,
1288c0c050c5SMichael Chan 	.get_pauseparam		= bnxt_get_pauseparam,
1289c0c050c5SMichael Chan 	.set_pauseparam		= bnxt_set_pauseparam,
1290c0c050c5SMichael Chan 	.get_drvinfo		= bnxt_get_drvinfo,
1291c0c050c5SMichael Chan 	.get_coalesce		= bnxt_get_coalesce,
1292c0c050c5SMichael Chan 	.set_coalesce		= bnxt_set_coalesce,
1293c0c050c5SMichael Chan 	.get_msglevel		= bnxt_get_msglevel,
1294c0c050c5SMichael Chan 	.set_msglevel		= bnxt_set_msglevel,
1295c0c050c5SMichael Chan 	.get_sset_count		= bnxt_get_sset_count,
1296c0c050c5SMichael Chan 	.get_strings		= bnxt_get_strings,
1297c0c050c5SMichael Chan 	.get_ethtool_stats	= bnxt_get_ethtool_stats,
1298c0c050c5SMichael Chan 	.set_ringparam		= bnxt_set_ringparam,
1299c0c050c5SMichael Chan 	.get_ringparam		= bnxt_get_ringparam,
1300c0c050c5SMichael Chan 	.get_channels		= bnxt_get_channels,
1301c0c050c5SMichael Chan 	.set_channels		= bnxt_set_channels,
1302c0c050c5SMichael Chan #ifdef CONFIG_RFS_ACCEL
1303c0c050c5SMichael Chan 	.get_rxnfc		= bnxt_get_rxnfc,
1304c0c050c5SMichael Chan #endif
1305c0c050c5SMichael Chan 	.get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
1306c0c050c5SMichael Chan 	.get_rxfh_key_size      = bnxt_get_rxfh_key_size,
1307c0c050c5SMichael Chan 	.get_rxfh               = bnxt_get_rxfh,
1308c0c050c5SMichael Chan 	.flash_device		= bnxt_flash_device,
1309c0c050c5SMichael Chan 	.get_eeprom_len         = bnxt_get_eeprom_len,
1310c0c050c5SMichael Chan 	.get_eeprom             = bnxt_get_eeprom,
1311c0c050c5SMichael Chan 	.set_eeprom		= bnxt_set_eeprom,
1312c0c050c5SMichael Chan 	.get_link		= bnxt_get_link,
1313c0c050c5SMichael Chan };
1314