1d0ea5cbdSJesse Brandeburg /*
2f13bbc2fSNeel Patel  * Copyright 2013 Cisco Systems, Inc.  All rights reserved.
3f13bbc2fSNeel Patel  *
4f13bbc2fSNeel Patel  * This program is free software; you may redistribute it and/or modify
5f13bbc2fSNeel Patel  * it under the terms of the GNU General Public License as published by
6f13bbc2fSNeel Patel  * the Free Software Foundation; version 2 of the License.
7f13bbc2fSNeel Patel  *
8f13bbc2fSNeel Patel  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9f13bbc2fSNeel Patel  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10f13bbc2fSNeel Patel  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11f13bbc2fSNeel Patel  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12f13bbc2fSNeel Patel  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13f13bbc2fSNeel Patel  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14f13bbc2fSNeel Patel  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
15f13bbc2fSNeel Patel  * SOFTWARE.
16f13bbc2fSNeel Patel  *
17f13bbc2fSNeel Patel  */
18f13bbc2fSNeel Patel 
19f13bbc2fSNeel Patel #include <linux/netdevice.h>
20f13bbc2fSNeel Patel #include <linux/ethtool.h>
21fb7516d4SGovindarajulu Varadarajan #include <linux/net_tstamp.h>
22f13bbc2fSNeel Patel 
23f13bbc2fSNeel Patel #include "enic_res.h"
24f13bbc2fSNeel Patel #include "enic.h"
25f13bbc2fSNeel Patel #include "enic_dev.h"
263762ff8fSGovindarajulu Varadarajan #include "enic_clsf.h"
274f675eb2SGovindarajulu Varadarajan #include "vnic_rss.h"
2858feff07SGovindarajulu Varadarajan #include "vnic_stats.h"
29f13bbc2fSNeel Patel 
30f13bbc2fSNeel Patel struct enic_stat {
31f13bbc2fSNeel Patel 	char name[ETH_GSTRING_LEN];
32f13bbc2fSNeel Patel 	unsigned int index;
33f13bbc2fSNeel Patel };
34f13bbc2fSNeel Patel 
35f13bbc2fSNeel Patel #define ENIC_TX_STAT(stat) { \
36f13bbc2fSNeel Patel 	.name = #stat, \
37f13bbc2fSNeel Patel 	.index = offsetof(struct vnic_tx_stats, stat) / sizeof(u64) \
38f13bbc2fSNeel Patel }
39f13bbc2fSNeel Patel 
40f13bbc2fSNeel Patel #define ENIC_RX_STAT(stat) { \
41f13bbc2fSNeel Patel 	.name = #stat, \
42f13bbc2fSNeel Patel 	.index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \
43f13bbc2fSNeel Patel }
44f13bbc2fSNeel Patel 
4558feff07SGovindarajulu Varadarajan #define ENIC_GEN_STAT(stat) { \
4658feff07SGovindarajulu Varadarajan 	.name = #stat, \
4758feff07SGovindarajulu Varadarajan 	.index = offsetof(struct vnic_gen_stats, stat) / sizeof(u64)\
4858feff07SGovindarajulu Varadarajan }
4958feff07SGovindarajulu Varadarajan 
50f13bbc2fSNeel Patel static const struct enic_stat enic_tx_stats[] = {
51f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_frames_ok),
52f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_unicast_frames_ok),
53f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_multicast_frames_ok),
54f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_broadcast_frames_ok),
55f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_bytes_ok),
56f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_unicast_bytes_ok),
57f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_multicast_bytes_ok),
58f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_broadcast_bytes_ok),
59f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_drops),
60f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_errors),
61f13bbc2fSNeel Patel 	ENIC_TX_STAT(tx_tso),
62f13bbc2fSNeel Patel };
63f13bbc2fSNeel Patel 
64f13bbc2fSNeel Patel static const struct enic_stat enic_rx_stats[] = {
65f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_ok),
66f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_total),
67f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_unicast_frames_ok),
68f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_multicast_frames_ok),
69f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_broadcast_frames_ok),
70f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_bytes_ok),
71f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_unicast_bytes_ok),
72f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_multicast_bytes_ok),
73f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_broadcast_bytes_ok),
74f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_drop),
75f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_no_bufs),
76f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_errors),
77f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_rss),
78f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_crc_errors),
79f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_64),
80f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_127),
81f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_255),
82f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_511),
83f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_1023),
84f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_1518),
85f13bbc2fSNeel Patel 	ENIC_RX_STAT(rx_frames_to_max),
86f13bbc2fSNeel Patel };
87f13bbc2fSNeel Patel 
8858feff07SGovindarajulu Varadarajan static const struct enic_stat enic_gen_stats[] = {
8958feff07SGovindarajulu Varadarajan 	ENIC_GEN_STAT(dma_map_error),
9058feff07SGovindarajulu Varadarajan };
9158feff07SGovindarajulu Varadarajan 
92f13bbc2fSNeel Patel static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats);
93f13bbc2fSNeel Patel static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats);
9458feff07SGovindarajulu Varadarajan static const unsigned int enic_n_gen_stats = ARRAY_SIZE(enic_gen_stats);
95f13bbc2fSNeel Patel 
96a20667bfSLad, Prabhakar static void enic_intr_coal_set_rx(struct enic *enic, u32 timer)
977c2ce6e6SSujith Sankar {
987c2ce6e6SSujith Sankar 	int i;
997c2ce6e6SSujith Sankar 	int intr;
1007c2ce6e6SSujith Sankar 
1017c2ce6e6SSujith Sankar 	for (i = 0; i < enic->rq_count; i++) {
1027c2ce6e6SSujith Sankar 		intr = enic_msix_rq_intr(enic, i);
1037c2ce6e6SSujith Sankar 		vnic_intr_coalescing_timer_set(&enic->intr[intr], timer);
1047c2ce6e6SSujith Sankar 	}
1057c2ce6e6SSujith Sankar }
1067c2ce6e6SSujith Sankar 
1077659f50cSPhilippe Reynes static int enic_get_ksettings(struct net_device *netdev,
1087659f50cSPhilippe Reynes 			      struct ethtool_link_ksettings *ecmd)
109f13bbc2fSNeel Patel {
110f13bbc2fSNeel Patel 	struct enic *enic = netdev_priv(netdev);
1117659f50cSPhilippe Reynes 	struct ethtool_link_settings *base = &ecmd->base;
112f13bbc2fSNeel Patel 
1137659f50cSPhilippe Reynes 	ethtool_link_ksettings_add_link_mode(ecmd, supported,
1147659f50cSPhilippe Reynes 					     10000baseT_Full);
1157659f50cSPhilippe Reynes 	ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE);
1167659f50cSPhilippe Reynes 	ethtool_link_ksettings_add_link_mode(ecmd, advertising,
1177659f50cSPhilippe Reynes 					     10000baseT_Full);
1187659f50cSPhilippe Reynes 	ethtool_link_ksettings_add_link_mode(ecmd, advertising, FIBRE);
1197659f50cSPhilippe Reynes 	base->port = PORT_FIBRE;
120f13bbc2fSNeel Patel 
121f13bbc2fSNeel Patel 	if (netif_carrier_ok(netdev)) {
1227659f50cSPhilippe Reynes 		base->speed = vnic_dev_port_speed(enic->vdev);
1237659f50cSPhilippe Reynes 		base->duplex = DUPLEX_FULL;
124f13bbc2fSNeel Patel 	} else {
1257659f50cSPhilippe Reynes 		base->speed = SPEED_UNKNOWN;
1267659f50cSPhilippe Reynes 		base->duplex = DUPLEX_UNKNOWN;
127f13bbc2fSNeel Patel 	}
128f13bbc2fSNeel Patel 
1297659f50cSPhilippe Reynes 	base->autoneg = AUTONEG_DISABLE;
130f13bbc2fSNeel Patel 
131f13bbc2fSNeel Patel 	return 0;
132f13bbc2fSNeel Patel }
133f13bbc2fSNeel Patel 
134f13bbc2fSNeel Patel static void enic_get_drvinfo(struct net_device *netdev,
135f13bbc2fSNeel Patel 	struct ethtool_drvinfo *drvinfo)
136f13bbc2fSNeel Patel {
137f13bbc2fSNeel Patel 	struct enic *enic = netdev_priv(netdev);
138f13bbc2fSNeel Patel 	struct vnic_devcmd_fw_info *fw_info;
13919b596bdSGovindarajulu Varadarajan 	int err;
140f13bbc2fSNeel Patel 
14119b596bdSGovindarajulu Varadarajan 	err = enic_dev_fw_info(enic, &fw_info);
142f947fcafSCai Huoqing 	/* return only when dma_alloc_coherent fails in vnic_dev_fw_info
14319b596bdSGovindarajulu Varadarajan 	 * For other failures, like devcmd failure, we return previously
14419b596bdSGovindarajulu Varadarajan 	 * recorded info.
14519b596bdSGovindarajulu Varadarajan 	 */
14619b596bdSGovindarajulu Varadarajan 	if (err == -ENOMEM)
14719b596bdSGovindarajulu Varadarajan 		return;
148f13bbc2fSNeel Patel 
149f13bbc2fSNeel Patel 	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
150f13bbc2fSNeel Patel 	strlcpy(drvinfo->fw_version, fw_info->fw_version,
151f13bbc2fSNeel Patel 		sizeof(drvinfo->fw_version));
152f13bbc2fSNeel Patel 	strlcpy(drvinfo->bus_info, pci_name(enic->pdev),
153f13bbc2fSNeel Patel 		sizeof(drvinfo->bus_info));
154f13bbc2fSNeel Patel }
155f13bbc2fSNeel Patel 
156f13bbc2fSNeel Patel static void enic_get_strings(struct net_device *netdev, u32 stringset,
157f13bbc2fSNeel Patel 	u8 *data)
158f13bbc2fSNeel Patel {
159f13bbc2fSNeel Patel 	unsigned int i;
160f13bbc2fSNeel Patel 
161f13bbc2fSNeel Patel 	switch (stringset) {
162f13bbc2fSNeel Patel 	case ETH_SS_STATS:
163f13bbc2fSNeel Patel 		for (i = 0; i < enic_n_tx_stats; i++) {
164f13bbc2fSNeel Patel 			memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN);
165f13bbc2fSNeel Patel 			data += ETH_GSTRING_LEN;
166f13bbc2fSNeel Patel 		}
167f13bbc2fSNeel Patel 		for (i = 0; i < enic_n_rx_stats; i++) {
168f13bbc2fSNeel Patel 			memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN);
169f13bbc2fSNeel Patel 			data += ETH_GSTRING_LEN;
170f13bbc2fSNeel Patel 		}
17158feff07SGovindarajulu Varadarajan 		for (i = 0; i < enic_n_gen_stats; i++) {
17258feff07SGovindarajulu Varadarajan 			memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN);
17358feff07SGovindarajulu Varadarajan 			data += ETH_GSTRING_LEN;
17458feff07SGovindarajulu Varadarajan 		}
175f13bbc2fSNeel Patel 		break;
176f13bbc2fSNeel Patel 	}
177f13bbc2fSNeel Patel }
178f13bbc2fSNeel Patel 
179ed519b74SParvi Kaustubhi static void enic_get_ringparam(struct net_device *netdev,
180*74624944SHao Chen 			       struct ethtool_ringparam *ring,
181*74624944SHao Chen 			       struct kernel_ethtool_ringparam *kernel_ring,
182*74624944SHao Chen 			       struct netlink_ext_ack *extack)
183ed519b74SParvi Kaustubhi {
184ed519b74SParvi Kaustubhi 	struct enic *enic = netdev_priv(netdev);
185ed519b74SParvi Kaustubhi 	struct vnic_enet_config *c = &enic->config;
186ed519b74SParvi Kaustubhi 
187ed519b74SParvi Kaustubhi 	ring->rx_max_pending = ENIC_MAX_RQ_DESCS;
188ed519b74SParvi Kaustubhi 	ring->rx_pending = c->rq_desc_count;
189ed519b74SParvi Kaustubhi 	ring->tx_max_pending = ENIC_MAX_WQ_DESCS;
190ed519b74SParvi Kaustubhi 	ring->tx_pending = c->wq_desc_count;
191ed519b74SParvi Kaustubhi }
192ed519b74SParvi Kaustubhi 
193ed519b74SParvi Kaustubhi static int enic_set_ringparam(struct net_device *netdev,
194*74624944SHao Chen 			      struct ethtool_ringparam *ring,
195*74624944SHao Chen 			      struct kernel_ethtool_ringparam *kernel_ring,
196*74624944SHao Chen 			      struct netlink_ext_ack *extack)
197ed519b74SParvi Kaustubhi {
198ed519b74SParvi Kaustubhi 	struct enic *enic = netdev_priv(netdev);
199ed519b74SParvi Kaustubhi 	struct vnic_enet_config *c = &enic->config;
200ed519b74SParvi Kaustubhi 	int running = netif_running(netdev);
201ed519b74SParvi Kaustubhi 	unsigned int rx_pending;
202ed519b74SParvi Kaustubhi 	unsigned int tx_pending;
203ed519b74SParvi Kaustubhi 	int err = 0;
204ed519b74SParvi Kaustubhi 
205ed519b74SParvi Kaustubhi 	if (ring->rx_mini_max_pending || ring->rx_mini_pending) {
206ed519b74SParvi Kaustubhi 		netdev_info(netdev,
207ed519b74SParvi Kaustubhi 			    "modifying mini ring params is not supported");
208ed519b74SParvi Kaustubhi 		return -EINVAL;
209ed519b74SParvi Kaustubhi 	}
210ed519b74SParvi Kaustubhi 	if (ring->rx_jumbo_max_pending || ring->rx_jumbo_pending) {
211ed519b74SParvi Kaustubhi 		netdev_info(netdev,
212ed519b74SParvi Kaustubhi 			    "modifying jumbo ring params is not supported");
213ed519b74SParvi Kaustubhi 		return -EINVAL;
214ed519b74SParvi Kaustubhi 	}
215ed519b74SParvi Kaustubhi 	rx_pending = c->rq_desc_count;
216ed519b74SParvi Kaustubhi 	tx_pending = c->wq_desc_count;
217ed519b74SParvi Kaustubhi 	if (ring->rx_pending > ENIC_MAX_RQ_DESCS ||
218ed519b74SParvi Kaustubhi 	    ring->rx_pending < ENIC_MIN_RQ_DESCS) {
219ed519b74SParvi Kaustubhi 		netdev_info(netdev, "rx pending (%u) not in range [%u,%u]",
220ed519b74SParvi Kaustubhi 			    ring->rx_pending, ENIC_MIN_RQ_DESCS,
221ed519b74SParvi Kaustubhi 			    ENIC_MAX_RQ_DESCS);
222ed519b74SParvi Kaustubhi 		return -EINVAL;
223ed519b74SParvi Kaustubhi 	}
224ed519b74SParvi Kaustubhi 	if (ring->tx_pending > ENIC_MAX_WQ_DESCS ||
225ed519b74SParvi Kaustubhi 	    ring->tx_pending < ENIC_MIN_WQ_DESCS) {
226ed519b74SParvi Kaustubhi 		netdev_info(netdev, "tx pending (%u) not in range [%u,%u]",
227ed519b74SParvi Kaustubhi 			    ring->tx_pending, ENIC_MIN_WQ_DESCS,
228ed519b74SParvi Kaustubhi 			    ENIC_MAX_WQ_DESCS);
229ed519b74SParvi Kaustubhi 		return -EINVAL;
230ed519b74SParvi Kaustubhi 	}
231ed519b74SParvi Kaustubhi 	if (running)
232ed519b74SParvi Kaustubhi 		dev_close(netdev);
233ed519b74SParvi Kaustubhi 	c->rq_desc_count =
234ed519b74SParvi Kaustubhi 		ring->rx_pending & 0xffffffe0; /* must be aligned to groups of 32 */
235ed519b74SParvi Kaustubhi 	c->wq_desc_count =
236ed519b74SParvi Kaustubhi 		ring->tx_pending & 0xffffffe0; /* must be aligned to groups of 32 */
237ed519b74SParvi Kaustubhi 	enic_free_vnic_resources(enic);
238ed519b74SParvi Kaustubhi 	err = enic_alloc_vnic_resources(enic);
239ed519b74SParvi Kaustubhi 	if (err) {
240ed519b74SParvi Kaustubhi 		netdev_err(netdev,
241ed519b74SParvi Kaustubhi 			   "Failed to alloc vNIC resources, aborting\n");
242ed519b74SParvi Kaustubhi 		enic_free_vnic_resources(enic);
243ed519b74SParvi Kaustubhi 		goto err_out;
244ed519b74SParvi Kaustubhi 	}
245ed519b74SParvi Kaustubhi 	enic_init_vnic_resources(enic);
246ed519b74SParvi Kaustubhi 	if (running) {
24700f54e68SPetr Machata 		err = dev_open(netdev, NULL);
248ed519b74SParvi Kaustubhi 		if (err)
249ed519b74SParvi Kaustubhi 			goto err_out;
250ed519b74SParvi Kaustubhi 	}
251ed519b74SParvi Kaustubhi 	return 0;
252ed519b74SParvi Kaustubhi err_out:
253ed519b74SParvi Kaustubhi 	c->rq_desc_count = rx_pending;
254ed519b74SParvi Kaustubhi 	c->wq_desc_count = tx_pending;
255ed519b74SParvi Kaustubhi 	return err;
256ed519b74SParvi Kaustubhi }
257ed519b74SParvi Kaustubhi 
258f13bbc2fSNeel Patel static int enic_get_sset_count(struct net_device *netdev, int sset)
259f13bbc2fSNeel Patel {
260f13bbc2fSNeel Patel 	switch (sset) {
261f13bbc2fSNeel Patel 	case ETH_SS_STATS:
26258feff07SGovindarajulu Varadarajan 		return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats;
263f13bbc2fSNeel Patel 	default:
264f13bbc2fSNeel Patel 		return -EOPNOTSUPP;
265f13bbc2fSNeel Patel 	}
266f13bbc2fSNeel Patel }
267f13bbc2fSNeel Patel 
268f13bbc2fSNeel Patel static void enic_get_ethtool_stats(struct net_device *netdev,
269f13bbc2fSNeel Patel 	struct ethtool_stats *stats, u64 *data)
270f13bbc2fSNeel Patel {
271f13bbc2fSNeel Patel 	struct enic *enic = netdev_priv(netdev);
272f13bbc2fSNeel Patel 	struct vnic_stats *vstats;
273f13bbc2fSNeel Patel 	unsigned int i;
27419b596bdSGovindarajulu Varadarajan 	int err;
275f13bbc2fSNeel Patel 
27619b596bdSGovindarajulu Varadarajan 	err = enic_dev_stats_dump(enic, &vstats);
277f947fcafSCai Huoqing 	/* return only when dma_alloc_coherent fails in vnic_dev_stats_dump
27819b596bdSGovindarajulu Varadarajan 	 * For other failures, like devcmd failure, we return previously
27919b596bdSGovindarajulu Varadarajan 	 * recorded stats.
28019b596bdSGovindarajulu Varadarajan 	 */
28119b596bdSGovindarajulu Varadarajan 	if (err == -ENOMEM)
28219b596bdSGovindarajulu Varadarajan 		return;
283f13bbc2fSNeel Patel 
284f13bbc2fSNeel Patel 	for (i = 0; i < enic_n_tx_stats; i++)
285f13bbc2fSNeel Patel 		*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index];
286f13bbc2fSNeel Patel 	for (i = 0; i < enic_n_rx_stats; i++)
287f13bbc2fSNeel Patel 		*(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index];
28858feff07SGovindarajulu Varadarajan 	for (i = 0; i < enic_n_gen_stats; i++)
28958feff07SGovindarajulu Varadarajan 		*(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index];
290f13bbc2fSNeel Patel }
291f13bbc2fSNeel Patel 
292f13bbc2fSNeel Patel static u32 enic_get_msglevel(struct net_device *netdev)
293f13bbc2fSNeel Patel {
294f13bbc2fSNeel Patel 	struct enic *enic = netdev_priv(netdev);
295f13bbc2fSNeel Patel 	return enic->msg_enable;
296f13bbc2fSNeel Patel }
297f13bbc2fSNeel Patel 
298f13bbc2fSNeel Patel static void enic_set_msglevel(struct net_device *netdev, u32 value)
299f13bbc2fSNeel Patel {
300f13bbc2fSNeel Patel 	struct enic *enic = netdev_priv(netdev);
301f13bbc2fSNeel Patel 	enic->msg_enable = value;
302f13bbc2fSNeel Patel }
303f13bbc2fSNeel Patel 
304f13bbc2fSNeel Patel static int enic_get_coalesce(struct net_device *netdev,
305f3ccfda1SYufeng Mo 			     struct ethtool_coalesce *ecmd,
306f3ccfda1SYufeng Mo 			     struct kernel_ethtool_coalesce *kernel_coal,
307f3ccfda1SYufeng Mo 			     struct netlink_ext_ack *extack)
308f13bbc2fSNeel Patel {
309f13bbc2fSNeel Patel 	struct enic *enic = netdev_priv(netdev);
3107c2ce6e6SSujith Sankar 	struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting;
311f13bbc2fSNeel Patel 
312d9382bdaSGovindarajulu Varadarajan 	if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX)
313f13bbc2fSNeel Patel 		ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs;
314f13bbc2fSNeel Patel 	ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs;
3157c2ce6e6SSujith Sankar 	if (rxcoal->use_adaptive_rx_coalesce)
3167c2ce6e6SSujith Sankar 		ecmd->use_adaptive_rx_coalesce = 1;
3177c2ce6e6SSujith Sankar 	ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start;
3187c2ce6e6SSujith Sankar 	ecmd->rx_coalesce_usecs_high = rxcoal->range_end;
319f13bbc2fSNeel Patel 
320f13bbc2fSNeel Patel 	return 0;
321f13bbc2fSNeel Patel }
322f13bbc2fSNeel Patel 
323d9382bdaSGovindarajulu Varadarajan static int enic_coalesce_valid(struct enic *enic,
324d9382bdaSGovindarajulu Varadarajan 			       struct ethtool_coalesce *ec)
325d9382bdaSGovindarajulu Varadarajan {
326d9382bdaSGovindarajulu Varadarajan 	u32 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev);
327d9382bdaSGovindarajulu Varadarajan 	u32 rx_coalesce_usecs_high = min_t(u32, coalesce_usecs_max,
328d9382bdaSGovindarajulu Varadarajan 					   ec->rx_coalesce_usecs_high);
329d9382bdaSGovindarajulu Varadarajan 	u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max,
330d9382bdaSGovindarajulu Varadarajan 					  ec->rx_coalesce_usecs_low);
331d9382bdaSGovindarajulu Varadarajan 
332d9382bdaSGovindarajulu Varadarajan 	if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) &&
333d9382bdaSGovindarajulu Varadarajan 	    ec->tx_coalesce_usecs)
334d9382bdaSGovindarajulu Varadarajan 		return -EINVAL;
335d9382bdaSGovindarajulu Varadarajan 
336d9382bdaSGovindarajulu Varadarajan 	if ((ec->tx_coalesce_usecs > coalesce_usecs_max)	||
337d9382bdaSGovindarajulu Varadarajan 	    (ec->rx_coalesce_usecs > coalesce_usecs_max)	||
338d9382bdaSGovindarajulu Varadarajan 	    (ec->rx_coalesce_usecs_low > coalesce_usecs_max)	||
339d9382bdaSGovindarajulu Varadarajan 	    (ec->rx_coalesce_usecs_high > coalesce_usecs_max))
340d9382bdaSGovindarajulu Varadarajan 		netdev_info(enic->netdev, "ethtool_set_coalesce: adaptor supports max coalesce value of %d. Setting max value.\n",
341d9382bdaSGovindarajulu Varadarajan 			    coalesce_usecs_max);
342d9382bdaSGovindarajulu Varadarajan 
343d9382bdaSGovindarajulu Varadarajan 	if (ec->rx_coalesce_usecs_high &&
344d9382bdaSGovindarajulu Varadarajan 	    (rx_coalesce_usecs_high <
345d9382bdaSGovindarajulu Varadarajan 	     rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF))
346d9382bdaSGovindarajulu Varadarajan 		return -EINVAL;
347d9382bdaSGovindarajulu Varadarajan 
348d9382bdaSGovindarajulu Varadarajan 	return 0;
349d9382bdaSGovindarajulu Varadarajan }
350d9382bdaSGovindarajulu Varadarajan 
351f13bbc2fSNeel Patel static int enic_set_coalesce(struct net_device *netdev,
352f3ccfda1SYufeng Mo 			     struct ethtool_coalesce *ecmd,
353f3ccfda1SYufeng Mo 			     struct kernel_ethtool_coalesce *kernel_coal,
354f3ccfda1SYufeng Mo 			     struct netlink_ext_ack *extack)
355f13bbc2fSNeel Patel {
356f13bbc2fSNeel Patel 	struct enic *enic = netdev_priv(netdev);
357f13bbc2fSNeel Patel 	u32 tx_coalesce_usecs;
358f13bbc2fSNeel Patel 	u32 rx_coalesce_usecs;
3597c2ce6e6SSujith Sankar 	u32 rx_coalesce_usecs_low;
3607c2ce6e6SSujith Sankar 	u32 rx_coalesce_usecs_high;
3617c2ce6e6SSujith Sankar 	u32 coalesce_usecs_max;
362f13bbc2fSNeel Patel 	unsigned int i, intr;
363d9382bdaSGovindarajulu Varadarajan 	int ret;
3647c2ce6e6SSujith Sankar 	struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting;
365f13bbc2fSNeel Patel 
366d9382bdaSGovindarajulu Varadarajan 	ret = enic_coalesce_valid(enic, ecmd);
367d9382bdaSGovindarajulu Varadarajan 	if (ret)
368d9382bdaSGovindarajulu Varadarajan 		return ret;
3697c2ce6e6SSujith Sankar 	coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev);
370f13bbc2fSNeel Patel 	tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs,
3717c2ce6e6SSujith Sankar 				  coalesce_usecs_max);
372f13bbc2fSNeel Patel 	rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs,
3737c2ce6e6SSujith Sankar 				  coalesce_usecs_max);
3747c2ce6e6SSujith Sankar 
3757c2ce6e6SSujith Sankar 	rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low,
3767c2ce6e6SSujith Sankar 				      coalesce_usecs_max);
3777c2ce6e6SSujith Sankar 	rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high,
3787c2ce6e6SSujith Sankar 				       coalesce_usecs_max);
379f13bbc2fSNeel Patel 
380d9382bdaSGovindarajulu Varadarajan 	if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) {
381f13bbc2fSNeel Patel 		for (i = 0; i < enic->wq_count; i++) {
382f13bbc2fSNeel Patel 			intr = enic_msix_wq_intr(enic, i);
383f13bbc2fSNeel Patel 			vnic_intr_coalescing_timer_set(&enic->intr[intr],
384f13bbc2fSNeel Patel 						       tx_coalesce_usecs);
385f13bbc2fSNeel Patel 		}
386d9382bdaSGovindarajulu Varadarajan 		enic->tx_coalesce_usecs = tx_coalesce_usecs;
387d9382bdaSGovindarajulu Varadarajan 	}
388d9382bdaSGovindarajulu Varadarajan 	rxcoal->use_adaptive_rx_coalesce = !!ecmd->use_adaptive_rx_coalesce;
389a16a3361SGovindarajulu Varadarajan 	if (!rxcoal->use_adaptive_rx_coalesce)
3907c2ce6e6SSujith Sankar 		enic_intr_coal_set_rx(enic, rx_coalesce_usecs);
3917c2ce6e6SSujith Sankar 	if (ecmd->rx_coalesce_usecs_high) {
3927c2ce6e6SSujith Sankar 		rxcoal->range_end = rx_coalesce_usecs_high;
3937c2ce6e6SSujith Sankar 		rxcoal->small_pkt_range_start = rx_coalesce_usecs_low;
3947c2ce6e6SSujith Sankar 		rxcoal->large_pkt_range_start = rx_coalesce_usecs_low +
3957c2ce6e6SSujith Sankar 						ENIC_AIC_LARGE_PKT_DIFF;
3967c2ce6e6SSujith Sankar 	}
397f13bbc2fSNeel Patel 
398f13bbc2fSNeel Patel 	enic->rx_coalesce_usecs = rx_coalesce_usecs;
399f13bbc2fSNeel Patel 
400f13bbc2fSNeel Patel 	return 0;
401f13bbc2fSNeel Patel }
402f13bbc2fSNeel Patel 
4033762ff8fSGovindarajulu Varadarajan static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd,
4043762ff8fSGovindarajulu Varadarajan 			    u32 *rule_locs)
4053762ff8fSGovindarajulu Varadarajan {
4063762ff8fSGovindarajulu Varadarajan 	int j, ret = 0, cnt = 0;
4073762ff8fSGovindarajulu Varadarajan 
4083762ff8fSGovindarajulu Varadarajan 	cmd->data = enic->rfs_h.max - enic->rfs_h.free;
4093762ff8fSGovindarajulu Varadarajan 	for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) {
4103762ff8fSGovindarajulu Varadarajan 		struct hlist_head *hhead;
4113762ff8fSGovindarajulu Varadarajan 		struct hlist_node *tmp;
4123762ff8fSGovindarajulu Varadarajan 		struct enic_rfs_fltr_node *n;
4133762ff8fSGovindarajulu Varadarajan 
4143762ff8fSGovindarajulu Varadarajan 		hhead = &enic->rfs_h.ht_head[j];
4153762ff8fSGovindarajulu Varadarajan 		hlist_for_each_entry_safe(n, tmp, hhead, node) {
4163762ff8fSGovindarajulu Varadarajan 			if (cnt == cmd->rule_cnt)
4173762ff8fSGovindarajulu Varadarajan 				return -EMSGSIZE;
4183762ff8fSGovindarajulu Varadarajan 			rule_locs[cnt] = n->fltr_id;
4193762ff8fSGovindarajulu Varadarajan 			cnt++;
4203762ff8fSGovindarajulu Varadarajan 		}
4213762ff8fSGovindarajulu Varadarajan 	}
4223762ff8fSGovindarajulu Varadarajan 	cmd->rule_cnt = cnt;
4233762ff8fSGovindarajulu Varadarajan 
4243762ff8fSGovindarajulu Varadarajan 	return ret;
4253762ff8fSGovindarajulu Varadarajan }
4263762ff8fSGovindarajulu Varadarajan 
4273762ff8fSGovindarajulu Varadarajan static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd)
4283762ff8fSGovindarajulu Varadarajan {
4293762ff8fSGovindarajulu Varadarajan 	struct ethtool_rx_flow_spec *fsp =
4303762ff8fSGovindarajulu Varadarajan 				(struct ethtool_rx_flow_spec *)&cmd->fs;
4313762ff8fSGovindarajulu Varadarajan 	struct enic_rfs_fltr_node *n;
4323762ff8fSGovindarajulu Varadarajan 
4333762ff8fSGovindarajulu Varadarajan 	n = htbl_fltr_search(enic, (u16)fsp->location);
4343762ff8fSGovindarajulu Varadarajan 	if (!n)
4353762ff8fSGovindarajulu Varadarajan 		return -EINVAL;
43606635a35SJiri Pirko 	switch (n->keys.basic.ip_proto) {
4373762ff8fSGovindarajulu Varadarajan 	case IPPROTO_TCP:
4383762ff8fSGovindarajulu Varadarajan 		fsp->flow_type = TCP_V4_FLOW;
4393762ff8fSGovindarajulu Varadarajan 		break;
4403762ff8fSGovindarajulu Varadarajan 	case IPPROTO_UDP:
4413762ff8fSGovindarajulu Varadarajan 		fsp->flow_type = UDP_V4_FLOW;
4423762ff8fSGovindarajulu Varadarajan 		break;
4433762ff8fSGovindarajulu Varadarajan 	default:
4443762ff8fSGovindarajulu Varadarajan 		return -EINVAL;
4453762ff8fSGovindarajulu Varadarajan 	}
4463762ff8fSGovindarajulu Varadarajan 
447c3f83241STom Herbert 	fsp->h_u.tcp_ip4_spec.ip4src = flow_get_u32_src(&n->keys);
4483762ff8fSGovindarajulu Varadarajan 	fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0;
4493762ff8fSGovindarajulu Varadarajan 
450c3f83241STom Herbert 	fsp->h_u.tcp_ip4_spec.ip4dst = flow_get_u32_dst(&n->keys);
4513762ff8fSGovindarajulu Varadarajan 	fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0;
4523762ff8fSGovindarajulu Varadarajan 
45359346afeSJiri Pirko 	fsp->h_u.tcp_ip4_spec.psrc = n->keys.ports.src;
4543762ff8fSGovindarajulu Varadarajan 	fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0;
4553762ff8fSGovindarajulu Varadarajan 
45659346afeSJiri Pirko 	fsp->h_u.tcp_ip4_spec.pdst = n->keys.ports.dst;
4573762ff8fSGovindarajulu Varadarajan 	fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0;
4583762ff8fSGovindarajulu Varadarajan 
4593762ff8fSGovindarajulu Varadarajan 	fsp->ring_cookie = n->rq_id;
4603762ff8fSGovindarajulu Varadarajan 
4613762ff8fSGovindarajulu Varadarajan 	return 0;
4623762ff8fSGovindarajulu Varadarajan }
4633762ff8fSGovindarajulu Varadarajan 
46448398b6eSGovindarajulu Varadarajan static int enic_get_rx_flow_hash(struct enic *enic, struct ethtool_rxnfc *cmd)
46548398b6eSGovindarajulu Varadarajan {
4664016a7f1SGovindarajulu Varadarajan 	u8 rss_hash_type = 0;
46748398b6eSGovindarajulu Varadarajan 	cmd->data = 0;
46848398b6eSGovindarajulu Varadarajan 
4694016a7f1SGovindarajulu Varadarajan 	spin_lock_bh(&enic->devcmd_lock);
4704016a7f1SGovindarajulu Varadarajan 	(void)vnic_dev_capable_rss_hash_type(enic->vdev, &rss_hash_type);
4714016a7f1SGovindarajulu Varadarajan 	spin_unlock_bh(&enic->devcmd_lock);
47248398b6eSGovindarajulu Varadarajan 	switch (cmd->flow_type) {
47348398b6eSGovindarajulu Varadarajan 	case TCP_V6_FLOW:
47448398b6eSGovindarajulu Varadarajan 	case TCP_V4_FLOW:
4754016a7f1SGovindarajulu Varadarajan 		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3 |
4764016a7f1SGovindarajulu Varadarajan 			     RXH_IP_SRC | RXH_IP_DST;
4774016a7f1SGovindarajulu Varadarajan 		break;
47848398b6eSGovindarajulu Varadarajan 	case UDP_V6_FLOW:
4794016a7f1SGovindarajulu Varadarajan 		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
4804016a7f1SGovindarajulu Varadarajan 		if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV6)
48148398b6eSGovindarajulu Varadarajan 			cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
4824016a7f1SGovindarajulu Varadarajan 		break;
4834016a7f1SGovindarajulu Varadarajan 	case UDP_V4_FLOW:
4844016a7f1SGovindarajulu Varadarajan 		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
4854016a7f1SGovindarajulu Varadarajan 		if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV4)
4864016a7f1SGovindarajulu Varadarajan 			cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
4874016a7f1SGovindarajulu Varadarajan 		break;
48848398b6eSGovindarajulu Varadarajan 	case SCTP_V4_FLOW:
48948398b6eSGovindarajulu Varadarajan 	case AH_ESP_V4_FLOW:
49048398b6eSGovindarajulu Varadarajan 	case AH_V4_FLOW:
49148398b6eSGovindarajulu Varadarajan 	case ESP_V4_FLOW:
49248398b6eSGovindarajulu Varadarajan 	case SCTP_V6_FLOW:
49348398b6eSGovindarajulu Varadarajan 	case AH_ESP_V6_FLOW:
49448398b6eSGovindarajulu Varadarajan 	case AH_V6_FLOW:
49548398b6eSGovindarajulu Varadarajan 	case ESP_V6_FLOW:
49648398b6eSGovindarajulu Varadarajan 	case IPV4_FLOW:
49748398b6eSGovindarajulu Varadarajan 	case IPV6_FLOW:
49848398b6eSGovindarajulu Varadarajan 		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
49948398b6eSGovindarajulu Varadarajan 		break;
50048398b6eSGovindarajulu Varadarajan 	default:
50148398b6eSGovindarajulu Varadarajan 		return -EINVAL;
50248398b6eSGovindarajulu Varadarajan 	}
50348398b6eSGovindarajulu Varadarajan 
50448398b6eSGovindarajulu Varadarajan 	return 0;
50548398b6eSGovindarajulu Varadarajan }
50648398b6eSGovindarajulu Varadarajan 
5073762ff8fSGovindarajulu Varadarajan static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
5083762ff8fSGovindarajulu Varadarajan 			  u32 *rule_locs)
5093762ff8fSGovindarajulu Varadarajan {
5103762ff8fSGovindarajulu Varadarajan 	struct enic *enic = netdev_priv(dev);
5113762ff8fSGovindarajulu Varadarajan 	int ret = 0;
5123762ff8fSGovindarajulu Varadarajan 
5133762ff8fSGovindarajulu Varadarajan 	switch (cmd->cmd) {
5143762ff8fSGovindarajulu Varadarajan 	case ETHTOOL_GRXRINGS:
5153762ff8fSGovindarajulu Varadarajan 		cmd->data = enic->rq_count;
5163762ff8fSGovindarajulu Varadarajan 		break;
5173762ff8fSGovindarajulu Varadarajan 	case ETHTOOL_GRXCLSRLCNT:
5183762ff8fSGovindarajulu Varadarajan 		spin_lock_bh(&enic->rfs_h.lock);
5193762ff8fSGovindarajulu Varadarajan 		cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free;
5203762ff8fSGovindarajulu Varadarajan 		cmd->data = enic->rfs_h.max;
5213762ff8fSGovindarajulu Varadarajan 		spin_unlock_bh(&enic->rfs_h.lock);
5223762ff8fSGovindarajulu Varadarajan 		break;
5233762ff8fSGovindarajulu Varadarajan 	case ETHTOOL_GRXCLSRLALL:
5243762ff8fSGovindarajulu Varadarajan 		spin_lock_bh(&enic->rfs_h.lock);
5253762ff8fSGovindarajulu Varadarajan 		ret = enic_grxclsrlall(enic, cmd, rule_locs);
5263762ff8fSGovindarajulu Varadarajan 		spin_unlock_bh(&enic->rfs_h.lock);
5273762ff8fSGovindarajulu Varadarajan 		break;
5283762ff8fSGovindarajulu Varadarajan 	case ETHTOOL_GRXCLSRULE:
5293762ff8fSGovindarajulu Varadarajan 		spin_lock_bh(&enic->rfs_h.lock);
5303762ff8fSGovindarajulu Varadarajan 		ret = enic_grxclsrule(enic, cmd);
5313762ff8fSGovindarajulu Varadarajan 		spin_unlock_bh(&enic->rfs_h.lock);
5323762ff8fSGovindarajulu Varadarajan 		break;
53348398b6eSGovindarajulu Varadarajan 	case ETHTOOL_GRXFH:
53448398b6eSGovindarajulu Varadarajan 		ret = enic_get_rx_flow_hash(enic, cmd);
53548398b6eSGovindarajulu Varadarajan 		break;
5363762ff8fSGovindarajulu Varadarajan 	default:
5373762ff8fSGovindarajulu Varadarajan 		ret = -EOPNOTSUPP;
5383762ff8fSGovindarajulu Varadarajan 		break;
5393762ff8fSGovindarajulu Varadarajan 	}
5403762ff8fSGovindarajulu Varadarajan 
5413762ff8fSGovindarajulu Varadarajan 	return ret;
5423762ff8fSGovindarajulu Varadarajan }
5433762ff8fSGovindarajulu Varadarajan 
544d4ad30b1SGovindarajulu Varadarajan static int enic_get_tunable(struct net_device *dev,
545d4ad30b1SGovindarajulu Varadarajan 			    const struct ethtool_tunable *tuna, void *data)
546d4ad30b1SGovindarajulu Varadarajan {
547d4ad30b1SGovindarajulu Varadarajan 	struct enic *enic = netdev_priv(dev);
548d4ad30b1SGovindarajulu Varadarajan 	int ret = 0;
549d4ad30b1SGovindarajulu Varadarajan 
550d4ad30b1SGovindarajulu Varadarajan 	switch (tuna->id) {
551d4ad30b1SGovindarajulu Varadarajan 	case ETHTOOL_RX_COPYBREAK:
552d4ad30b1SGovindarajulu Varadarajan 		*(u32 *)data = enic->rx_copybreak;
553d4ad30b1SGovindarajulu Varadarajan 		break;
554d4ad30b1SGovindarajulu Varadarajan 	default:
555d4ad30b1SGovindarajulu Varadarajan 		ret = -EINVAL;
556d4ad30b1SGovindarajulu Varadarajan 		break;
557d4ad30b1SGovindarajulu Varadarajan 	}
558d4ad30b1SGovindarajulu Varadarajan 
559d4ad30b1SGovindarajulu Varadarajan 	return ret;
560d4ad30b1SGovindarajulu Varadarajan }
561d4ad30b1SGovindarajulu Varadarajan 
562d4ad30b1SGovindarajulu Varadarajan static int enic_set_tunable(struct net_device *dev,
563d4ad30b1SGovindarajulu Varadarajan 			    const struct ethtool_tunable *tuna,
564d4ad30b1SGovindarajulu Varadarajan 			    const void *data)
565d4ad30b1SGovindarajulu Varadarajan {
566d4ad30b1SGovindarajulu Varadarajan 	struct enic *enic = netdev_priv(dev);
567d4ad30b1SGovindarajulu Varadarajan 	int ret = 0;
568d4ad30b1SGovindarajulu Varadarajan 
569d4ad30b1SGovindarajulu Varadarajan 	switch (tuna->id) {
570d4ad30b1SGovindarajulu Varadarajan 	case ETHTOOL_RX_COPYBREAK:
571d4ad30b1SGovindarajulu Varadarajan 		enic->rx_copybreak = *(u32 *)data;
572d4ad30b1SGovindarajulu Varadarajan 		break;
573d4ad30b1SGovindarajulu Varadarajan 	default:
574d4ad30b1SGovindarajulu Varadarajan 		ret = -EINVAL;
575d4ad30b1SGovindarajulu Varadarajan 		break;
576d4ad30b1SGovindarajulu Varadarajan 	}
577d4ad30b1SGovindarajulu Varadarajan 
578d4ad30b1SGovindarajulu Varadarajan 	return ret;
579d4ad30b1SGovindarajulu Varadarajan }
580d4ad30b1SGovindarajulu Varadarajan 
5814f675eb2SGovindarajulu Varadarajan static u32 enic_get_rxfh_key_size(struct net_device *netdev)
5824f675eb2SGovindarajulu Varadarajan {
5834f675eb2SGovindarajulu Varadarajan 	return ENIC_RSS_LEN;
5844f675eb2SGovindarajulu Varadarajan }
5854f675eb2SGovindarajulu Varadarajan 
5864f675eb2SGovindarajulu Varadarajan static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
5874f675eb2SGovindarajulu Varadarajan 			 u8 *hfunc)
5884f675eb2SGovindarajulu Varadarajan {
5894f675eb2SGovindarajulu Varadarajan 	struct enic *enic = netdev_priv(netdev);
5904f675eb2SGovindarajulu Varadarajan 
5914f675eb2SGovindarajulu Varadarajan 	if (hkey)
5924f675eb2SGovindarajulu Varadarajan 		memcpy(hkey, enic->rss_key, ENIC_RSS_LEN);
5934f675eb2SGovindarajulu Varadarajan 
5944f675eb2SGovindarajulu Varadarajan 	if (hfunc)
5954f675eb2SGovindarajulu Varadarajan 		*hfunc = ETH_RSS_HASH_TOP;
5964f675eb2SGovindarajulu Varadarajan 
5974f675eb2SGovindarajulu Varadarajan 	return 0;
5984f675eb2SGovindarajulu Varadarajan }
5994f675eb2SGovindarajulu Varadarajan 
6004f675eb2SGovindarajulu Varadarajan static int enic_set_rxfh(struct net_device *netdev, const u32 *indir,
6014f675eb2SGovindarajulu Varadarajan 			 const u8 *hkey, const u8 hfunc)
6024f675eb2SGovindarajulu Varadarajan {
6034f675eb2SGovindarajulu Varadarajan 	struct enic *enic = netdev_priv(netdev);
6044f675eb2SGovindarajulu Varadarajan 
6054f675eb2SGovindarajulu Varadarajan 	if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) ||
6064f675eb2SGovindarajulu Varadarajan 	    indir)
6074f675eb2SGovindarajulu Varadarajan 		return -EINVAL;
6084f675eb2SGovindarajulu Varadarajan 
6094f675eb2SGovindarajulu Varadarajan 	if (hkey)
6104f675eb2SGovindarajulu Varadarajan 		memcpy(enic->rss_key, hkey, ENIC_RSS_LEN);
6114f675eb2SGovindarajulu Varadarajan 
6124f675eb2SGovindarajulu Varadarajan 	return __enic_set_rsskey(enic);
6134f675eb2SGovindarajulu Varadarajan }
6144f675eb2SGovindarajulu Varadarajan 
615fb7516d4SGovindarajulu Varadarajan static int enic_get_ts_info(struct net_device *netdev,
616fb7516d4SGovindarajulu Varadarajan 			    struct ethtool_ts_info *info)
617fb7516d4SGovindarajulu Varadarajan {
618fb7516d4SGovindarajulu Varadarajan 	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
619fb7516d4SGovindarajulu Varadarajan 				SOF_TIMESTAMPING_RX_SOFTWARE |
620fb7516d4SGovindarajulu Varadarajan 				SOF_TIMESTAMPING_SOFTWARE;
621fb7516d4SGovindarajulu Varadarajan 
622fb7516d4SGovindarajulu Varadarajan 	return 0;
623fb7516d4SGovindarajulu Varadarajan }
624fb7516d4SGovindarajulu Varadarajan 
625f13bbc2fSNeel Patel static const struct ethtool_ops enic_ethtool_ops = {
626c885bff6SJakub Kicinski 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
627c885bff6SJakub Kicinski 				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX |
628c885bff6SJakub Kicinski 				     ETHTOOL_COALESCE_RX_USECS_LOW |
629c885bff6SJakub Kicinski 				     ETHTOOL_COALESCE_RX_USECS_HIGH,
630f13bbc2fSNeel Patel 	.get_drvinfo = enic_get_drvinfo,
631f13bbc2fSNeel Patel 	.get_msglevel = enic_get_msglevel,
632f13bbc2fSNeel Patel 	.set_msglevel = enic_set_msglevel,
633f13bbc2fSNeel Patel 	.get_link = ethtool_op_get_link,
634f13bbc2fSNeel Patel 	.get_strings = enic_get_strings,
635ed519b74SParvi Kaustubhi 	.get_ringparam = enic_get_ringparam,
636ed519b74SParvi Kaustubhi 	.set_ringparam = enic_set_ringparam,
637f13bbc2fSNeel Patel 	.get_sset_count = enic_get_sset_count,
638f13bbc2fSNeel Patel 	.get_ethtool_stats = enic_get_ethtool_stats,
639f13bbc2fSNeel Patel 	.get_coalesce = enic_get_coalesce,
640f13bbc2fSNeel Patel 	.set_coalesce = enic_set_coalesce,
6413762ff8fSGovindarajulu Varadarajan 	.get_rxnfc = enic_get_rxnfc,
642d4ad30b1SGovindarajulu Varadarajan 	.get_tunable = enic_get_tunable,
643d4ad30b1SGovindarajulu Varadarajan 	.set_tunable = enic_set_tunable,
6444f675eb2SGovindarajulu Varadarajan 	.get_rxfh_key_size = enic_get_rxfh_key_size,
6454f675eb2SGovindarajulu Varadarajan 	.get_rxfh = enic_get_rxfh,
6464f675eb2SGovindarajulu Varadarajan 	.set_rxfh = enic_set_rxfh,
6477659f50cSPhilippe Reynes 	.get_link_ksettings = enic_get_ksettings,
648fb7516d4SGovindarajulu Varadarajan 	.get_ts_info = enic_get_ts_info,
649f13bbc2fSNeel Patel };
650f13bbc2fSNeel Patel 
651f13bbc2fSNeel Patel void enic_set_ethtool_ops(struct net_device *netdev)
652f13bbc2fSNeel Patel {
6537ad24ea4SWilfried Klaebe 	netdev->ethtool_ops = &enic_ethtool_ops;
654f13bbc2fSNeel Patel }
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