2 * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include <linux/kernel.h>
35 #include <linux/ethtool.h>
36 #include <linux/netdevice.h>
43 mlx4_en_get_drvinfo(struct net_device
*dev
, struct ethtool_drvinfo
*drvinfo
)
45 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
46 struct mlx4_en_dev
*mdev
= priv
->mdev
;
48 sprintf(drvinfo
->driver
, DRV_NAME
" (%s)", mdev
->dev
->board_id
);
49 strncpy(drvinfo
->version
, DRV_VERSION
" (" DRV_RELDATE
")", 32);
50 sprintf(drvinfo
->fw_version
, "%d.%d.%d",
51 (u16
) (mdev
->dev
->caps
.fw_ver
>> 32),
52 (u16
) ((mdev
->dev
->caps
.fw_ver
>> 16) & 0xffff),
53 (u16
) (mdev
->dev
->caps
.fw_ver
& 0xffff));
54 strncpy(drvinfo
->bus_info
, pci_name(mdev
->dev
->pdev
), 32);
56 drvinfo
->regdump_len
= 0;
57 drvinfo
->eedump_len
= 0;
60 static u32
mlx4_en_get_tso(struct net_device
*dev
)
62 return (dev
->features
& NETIF_F_TSO
) != 0;
65 static int mlx4_en_set_tso(struct net_device
*dev
, u32 data
)
67 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
70 if (!priv
->mdev
->LSO_support
)
72 dev
->features
|= (NETIF_F_TSO
| NETIF_F_TSO6
);
74 dev
->features
&= ~(NETIF_F_TSO
| NETIF_F_TSO6
);
78 static u32
mlx4_en_get_rx_csum(struct net_device
*dev
)
80 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
84 static int mlx4_en_set_rx_csum(struct net_device
*dev
, u32 data
)
86 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
87 priv
->rx_csum
= (data
!= 0);
91 static const char main_strings
[][ETH_GSTRING_LEN
] = {
92 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
93 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
94 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
95 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
96 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
97 "tx_heartbeat_errors", "tx_window_errors",
101 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
102 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
104 /* packet statistics */
105 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
106 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
107 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
108 "tx_prio_6", "tx_prio_7",
110 #define NUM_MAIN_STATS 21
111 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
113 static const char mlx4_en_test_names
[][ETH_GSTRING_LEN
]= {
121 static u32
mlx4_en_get_msglevel(struct net_device
*dev
)
123 return ((struct mlx4_en_priv
*) netdev_priv(dev
))->msg_enable
;
126 static void mlx4_en_set_msglevel(struct net_device
*dev
, u32 val
)
128 ((struct mlx4_en_priv
*) netdev_priv(dev
))->msg_enable
= val
;
131 static void mlx4_en_get_wol(struct net_device
*netdev
,
132 struct ethtool_wolinfo
*wol
)
138 static int mlx4_en_get_sset_count(struct net_device
*dev
, int sset
)
140 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
144 return NUM_ALL_STATS
+
145 (priv
->tx_ring_num
+ priv
->rx_ring_num
) * 2;
147 return MLX4_EN_NUM_SELF_TEST
- !(priv
->mdev
->dev
->caps
.loopback_support
) * 2;
153 static void mlx4_en_get_ethtool_stats(struct net_device
*dev
,
154 struct ethtool_stats
*stats
, uint64_t *data
)
156 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
160 spin_lock_bh(&priv
->stats_lock
);
162 for (i
= 0; i
< NUM_MAIN_STATS
; i
++)
163 data
[index
++] = ((unsigned long *) &priv
->stats
)[i
];
164 for (i
= 0; i
< NUM_PORT_STATS
; i
++)
165 data
[index
++] = ((unsigned long *) &priv
->port_stats
)[i
];
166 for (i
= 0; i
< priv
->tx_ring_num
; i
++) {
167 data
[index
++] = priv
->tx_ring
[i
].packets
;
168 data
[index
++] = priv
->tx_ring
[i
].bytes
;
170 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
171 data
[index
++] = priv
->rx_ring
[i
].packets
;
172 data
[index
++] = priv
->rx_ring
[i
].bytes
;
174 for (i
= 0; i
< NUM_PKT_STATS
; i
++)
175 data
[index
++] = ((unsigned long *) &priv
->pkstats
)[i
];
176 spin_unlock_bh(&priv
->stats_lock
);
180 static void mlx4_en_self_test(struct net_device
*dev
,
181 struct ethtool_test
*etest
, u64
*buf
)
183 mlx4_en_ex_selftest(dev
, &etest
->flags
, buf
);
186 static void mlx4_en_get_strings(struct net_device
*dev
,
187 uint32_t stringset
, uint8_t *data
)
189 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
195 for (i
= 0; i
< MLX4_EN_NUM_SELF_TEST
- 2; i
++)
196 strcpy(data
+ i
* ETH_GSTRING_LEN
, mlx4_en_test_names
[i
]);
197 if (priv
->mdev
->dev
->caps
.loopback_support
)
198 for (; i
< MLX4_EN_NUM_SELF_TEST
; i
++)
199 strcpy(data
+ i
* ETH_GSTRING_LEN
, mlx4_en_test_names
[i
]);
203 /* Add main counters */
204 for (i
= 0; i
< NUM_MAIN_STATS
; i
++)
205 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
, main_strings
[i
]);
206 for (i
= 0; i
< NUM_PORT_STATS
; i
++)
207 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
,
208 main_strings
[i
+ NUM_MAIN_STATS
]);
209 for (i
= 0; i
< priv
->tx_ring_num
; i
++) {
210 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
212 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
215 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
216 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
218 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
221 for (i
= 0; i
< NUM_PKT_STATS
; i
++)
222 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
,
223 main_strings
[i
+ NUM_MAIN_STATS
+ NUM_PORT_STATS
]);
228 static int mlx4_en_get_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
230 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
233 cmd
->autoneg
= AUTONEG_DISABLE
;
234 cmd
->supported
= SUPPORTED_10000baseT_Full
;
235 cmd
->advertising
= ADVERTISED_10000baseT_Full
;
237 if (mlx4_en_QUERY_PORT(priv
->mdev
, priv
->port
))
240 trans_type
= priv
->port_state
.transciver
;
241 if (netif_carrier_ok(dev
)) {
242 cmd
->speed
= priv
->port_state
.link_speed
;
243 cmd
->duplex
= DUPLEX_FULL
;
249 if (trans_type
> 0 && trans_type
<= 0xC) {
250 cmd
->port
= PORT_FIBRE
;
251 cmd
->transceiver
= XCVR_EXTERNAL
;
252 cmd
->supported
|= SUPPORTED_FIBRE
;
253 cmd
->advertising
|= ADVERTISED_FIBRE
;
254 } else if (trans_type
== 0x80 || trans_type
== 0) {
256 cmd
->transceiver
= XCVR_INTERNAL
;
257 cmd
->supported
|= SUPPORTED_TP
;
258 cmd
->advertising
|= ADVERTISED_TP
;
261 cmd
->transceiver
= -1;
266 static int mlx4_en_set_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
268 if ((cmd
->autoneg
== AUTONEG_ENABLE
) ||
269 (cmd
->speed
!= SPEED_10000
) || (cmd
->duplex
!= DUPLEX_FULL
))
272 /* Nothing to change */
276 static int mlx4_en_get_coalesce(struct net_device
*dev
,
277 struct ethtool_coalesce
*coal
)
279 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
281 coal
->tx_coalesce_usecs
= 0;
282 coal
->tx_max_coalesced_frames
= 0;
283 coal
->rx_coalesce_usecs
= priv
->rx_usecs
;
284 coal
->rx_max_coalesced_frames
= priv
->rx_frames
;
286 coal
->pkt_rate_low
= priv
->pkt_rate_low
;
287 coal
->rx_coalesce_usecs_low
= priv
->rx_usecs_low
;
288 coal
->pkt_rate_high
= priv
->pkt_rate_high
;
289 coal
->rx_coalesce_usecs_high
= priv
->rx_usecs_high
;
290 coal
->rate_sample_interval
= priv
->sample_interval
;
291 coal
->use_adaptive_rx_coalesce
= priv
->adaptive_rx_coal
;
295 static int mlx4_en_set_coalesce(struct net_device
*dev
,
296 struct ethtool_coalesce
*coal
)
298 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
301 priv
->rx_frames
= (coal
->rx_max_coalesced_frames
==
303 MLX4_EN_RX_COAL_TARGET
:
304 coal
->rx_max_coalesced_frames
;
305 priv
->rx_usecs
= (coal
->rx_coalesce_usecs
==
307 MLX4_EN_RX_COAL_TIME
:
308 coal
->rx_coalesce_usecs
;
310 /* Set adaptive coalescing params */
311 priv
->pkt_rate_low
= coal
->pkt_rate_low
;
312 priv
->rx_usecs_low
= coal
->rx_coalesce_usecs_low
;
313 priv
->pkt_rate_high
= coal
->pkt_rate_high
;
314 priv
->rx_usecs_high
= coal
->rx_coalesce_usecs_high
;
315 priv
->sample_interval
= coal
->rate_sample_interval
;
316 priv
->adaptive_rx_coal
= coal
->use_adaptive_rx_coalesce
;
317 priv
->last_moder_time
= MLX4_EN_AUTO_CONF
;
318 if (priv
->adaptive_rx_coal
)
321 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
322 priv
->rx_cq
[i
].moder_cnt
= priv
->rx_frames
;
323 priv
->rx_cq
[i
].moder_time
= priv
->rx_usecs
;
324 err
= mlx4_en_set_cq_moder(priv
, &priv
->rx_cq
[i
]);
331 static int mlx4_en_set_pauseparam(struct net_device
*dev
,
332 struct ethtool_pauseparam
*pause
)
334 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
335 struct mlx4_en_dev
*mdev
= priv
->mdev
;
338 priv
->prof
->tx_pause
= pause
->tx_pause
!= 0;
339 priv
->prof
->rx_pause
= pause
->rx_pause
!= 0;
340 err
= mlx4_SET_PORT_general(mdev
->dev
, priv
->port
,
341 priv
->rx_skb_size
+ ETH_FCS_LEN
,
342 priv
->prof
->tx_pause
,
344 priv
->prof
->rx_pause
,
347 en_err(priv
, "Failed setting pause params\n");
352 static void mlx4_en_get_pauseparam(struct net_device
*dev
,
353 struct ethtool_pauseparam
*pause
)
355 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
357 pause
->tx_pause
= priv
->prof
->tx_pause
;
358 pause
->rx_pause
= priv
->prof
->rx_pause
;
361 static int mlx4_en_set_ringparam(struct net_device
*dev
,
362 struct ethtool_ringparam
*param
)
364 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
365 struct mlx4_en_dev
*mdev
= priv
->mdev
;
366 u32 rx_size
, tx_size
;
370 if (param
->rx_jumbo_pending
|| param
->rx_mini_pending
)
373 rx_size
= roundup_pow_of_two(param
->rx_pending
);
374 rx_size
= max_t(u32
, rx_size
, MLX4_EN_MIN_RX_SIZE
);
375 rx_size
= min_t(u32
, rx_size
, MLX4_EN_MAX_RX_SIZE
);
376 tx_size
= roundup_pow_of_two(param
->tx_pending
);
377 tx_size
= max_t(u32
, tx_size
, MLX4_EN_MIN_TX_SIZE
);
378 tx_size
= min_t(u32
, tx_size
, MLX4_EN_MAX_TX_SIZE
);
380 if (rx_size
== (priv
->port_up
? priv
->rx_ring
[0].actual_size
:
381 priv
->rx_ring
[0].size
) &&
382 tx_size
== priv
->tx_ring
[0].size
)
385 mutex_lock(&mdev
->state_lock
);
388 mlx4_en_stop_port(dev
);
391 mlx4_en_free_resources(priv
);
393 priv
->prof
->tx_ring_size
= tx_size
;
394 priv
->prof
->rx_ring_size
= rx_size
;
396 err
= mlx4_en_alloc_resources(priv
);
398 en_err(priv
, "Failed reallocating port resources\n");
402 err
= mlx4_en_start_port(dev
);
404 en_err(priv
, "Failed starting port\n");
408 mutex_unlock(&mdev
->state_lock
);
412 static void mlx4_en_get_ringparam(struct net_device
*dev
,
413 struct ethtool_ringparam
*param
)
415 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
417 memset(param
, 0, sizeof(*param
));
418 param
->rx_max_pending
= MLX4_EN_MAX_RX_SIZE
;
419 param
->tx_max_pending
= MLX4_EN_MAX_TX_SIZE
;
420 param
->rx_pending
= priv
->port_up
?
421 priv
->rx_ring
[0].actual_size
: priv
->rx_ring
[0].size
;
422 param
->tx_pending
= priv
->tx_ring
[0].size
;
425 const struct ethtool_ops mlx4_en_ethtool_ops
= {
426 .get_drvinfo
= mlx4_en_get_drvinfo
,
427 .get_settings
= mlx4_en_get_settings
,
428 .set_settings
= mlx4_en_set_settings
,
430 .get_tso
= mlx4_en_get_tso
,
431 .set_tso
= mlx4_en_set_tso
,
433 .get_sg
= ethtool_op_get_sg
,
434 .set_sg
= ethtool_op_set_sg
,
435 .get_link
= ethtool_op_get_link
,
436 .get_rx_csum
= mlx4_en_get_rx_csum
,
437 .set_rx_csum
= mlx4_en_set_rx_csum
,
438 .get_tx_csum
= ethtool_op_get_tx_csum
,
439 .set_tx_csum
= ethtool_op_set_tx_ipv6_csum
,
440 .get_strings
= mlx4_en_get_strings
,
441 .get_sset_count
= mlx4_en_get_sset_count
,
442 .get_ethtool_stats
= mlx4_en_get_ethtool_stats
,
443 .self_test
= mlx4_en_self_test
,
444 .get_wol
= mlx4_en_get_wol
,
445 .get_msglevel
= mlx4_en_get_msglevel
,
446 .set_msglevel
= mlx4_en_set_msglevel
,
447 .get_coalesce
= mlx4_en_get_coalesce
,
448 .set_coalesce
= mlx4_en_set_coalesce
,
449 .get_pauseparam
= mlx4_en_get_pauseparam
,
450 .set_pauseparam
= mlx4_en_set_pauseparam
,
451 .get_ringparam
= mlx4_en_get_ringparam
,
452 .set_ringparam
= mlx4_en_set_ringparam
,
453 .get_flags
= ethtool_op_get_flags
,