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>
41 #define MLX4_EN_PARM_INT(X, def_val, desc) \
42 static unsigned int X = def_val;\
43 module_param(X , uint, 0444); \
44 MODULE_PARM_DESC(X, desc);
48 * Device scope module parameters
52 /* Use a XOR rathern than Toeplitz hash function for RSS */
53 MLX4_EN_PARM_INT(rss_xor
, 0, "Use XOR hash function for RSS");
55 /* RSS hash type mask - default to <saddr, daddr, sport, dport> */
56 MLX4_EN_PARM_INT(rss_mask
, 0xf, "RSS hash type bitmask");
58 /* Number of LRO sessions per Rx ring (rounded up to a power of two) */
59 MLX4_EN_PARM_INT(num_lro
, MLX4_EN_MAX_LRO_DESCRIPTORS
,
60 "Number of LRO sessions per ring or disabled (0)");
62 /* Priority pausing */
63 MLX4_EN_PARM_INT(pfctx
, 0, "Priority based Flow Control policy on TX[7:0]."
64 " Per priority bit mask");
65 MLX4_EN_PARM_INT(pfcrx
, 0, "Priority based Flow Control policy on RX[7:0]."
66 " Per priority bit mask");
68 int mlx4_en_get_profile(struct mlx4_en_dev
*mdev
)
70 struct mlx4_en_profile
*params
= &mdev
->profile
;
73 params
->rss_xor
= (rss_xor
!= 0);
74 params
->rss_mask
= rss_mask
& 0x1f;
75 params
->num_lro
= min_t(int, num_lro
, MLX4_EN_MAX_LRO_DESCRIPTORS
);
76 for (i
= 1; i
<= MLX4_MAX_PORTS
; i
++) {
77 params
->prof
[i
].rx_pause
= 1;
78 params
->prof
[i
].rx_ppp
= pfcrx
;
79 params
->prof
[i
].tx_pause
= 1;
80 params
->prof
[i
].tx_ppp
= pfctx
;
81 params
->prof
[i
].tx_ring_size
= MLX4_EN_DEF_TX_RING_SIZE
;
82 params
->prof
[i
].rx_ring_size
= MLX4_EN_DEF_RX_RING_SIZE
;
85 params
->prof
[1].tx_ring_num
= MLX4_EN_TX_RING_NUM
;
86 params
->prof
[2].tx_ring_num
= MLX4_EN_TX_RING_NUM
;
88 params
->prof
[1].tx_ring_num
= 1;
89 params
->prof
[2].tx_ring_num
= 1;
100 static void mlx4_en_update_lro_stats(struct mlx4_en_priv
*priv
)
104 priv
->port_stats
.lro_aggregated
= 0;
105 priv
->port_stats
.lro_flushed
= 0;
106 priv
->port_stats
.lro_no_desc
= 0;
108 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
109 priv
->port_stats
.lro_aggregated
+= priv
->rx_ring
[i
].lro
.stats
.aggregated
;
110 priv
->port_stats
.lro_flushed
+= priv
->rx_ring
[i
].lro
.stats
.flushed
;
111 priv
->port_stats
.lro_no_desc
+= priv
->rx_ring
[i
].lro
.stats
.no_desc
;
116 mlx4_en_get_drvinfo(struct net_device
*dev
, struct ethtool_drvinfo
*drvinfo
)
118 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
119 struct mlx4_en_dev
*mdev
= priv
->mdev
;
121 sprintf(drvinfo
->driver
, DRV_NAME
" (%s)", mdev
->dev
->board_id
);
122 strncpy(drvinfo
->version
, DRV_VERSION
" (" DRV_RELDATE
")", 32);
123 sprintf(drvinfo
->fw_version
, "%d.%d.%d",
124 (u16
) (mdev
->dev
->caps
.fw_ver
>> 32),
125 (u16
) ((mdev
->dev
->caps
.fw_ver
>> 16) & 0xffff),
126 (u16
) (mdev
->dev
->caps
.fw_ver
& 0xffff));
127 strncpy(drvinfo
->bus_info
, pci_name(mdev
->dev
->pdev
), 32);
128 drvinfo
->n_stats
= 0;
129 drvinfo
->regdump_len
= 0;
130 drvinfo
->eedump_len
= 0;
133 static u32
mlx4_en_get_tso(struct net_device
*dev
)
135 return (dev
->features
& NETIF_F_TSO
) != 0;
138 static int mlx4_en_set_tso(struct net_device
*dev
, u32 data
)
140 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
143 if (!priv
->mdev
->LSO_support
)
145 dev
->features
|= (NETIF_F_TSO
| NETIF_F_TSO6
);
147 dev
->features
&= ~(NETIF_F_TSO
| NETIF_F_TSO6
);
151 static u32
mlx4_en_get_rx_csum(struct net_device
*dev
)
153 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
154 return priv
->rx_csum
;
157 static int mlx4_en_set_rx_csum(struct net_device
*dev
, u32 data
)
159 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
160 priv
->rx_csum
= (data
!= 0);
164 static const char main_strings
[][ETH_GSTRING_LEN
] = {
165 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
166 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
167 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
168 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
169 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
170 "tx_heartbeat_errors", "tx_window_errors",
172 /* port statistics */
173 "lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets",
174 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
175 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
177 /* packet statistics */
178 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
179 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
180 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
181 "tx_prio_6", "tx_prio_7",
183 #define NUM_MAIN_STATS 21
184 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
186 static u32
mlx4_en_get_msglevel(struct net_device
*dev
)
188 return ((struct mlx4_en_priv
*) netdev_priv(dev
))->msg_enable
;
191 static void mlx4_en_set_msglevel(struct net_device
*dev
, u32 val
)
193 ((struct mlx4_en_priv
*) netdev_priv(dev
))->msg_enable
= val
;
196 static void mlx4_en_get_wol(struct net_device
*netdev
,
197 struct ethtool_wolinfo
*wol
)
205 static int mlx4_en_get_sset_count(struct net_device
*dev
, int sset
)
207 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
209 if (sset
!= ETH_SS_STATS
)
212 return NUM_ALL_STATS
+ (priv
->tx_ring_num
+ priv
->rx_ring_num
) * 2;
215 static void mlx4_en_get_ethtool_stats(struct net_device
*dev
,
216 struct ethtool_stats
*stats
, uint64_t *data
)
218 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
222 spin_lock_bh(&priv
->stats_lock
);
224 mlx4_en_update_lro_stats(priv
);
226 for (i
= 0; i
< NUM_MAIN_STATS
; i
++)
227 data
[index
++] = ((unsigned long *) &priv
->stats
)[i
];
228 for (i
= 0; i
< NUM_PORT_STATS
; i
++)
229 data
[index
++] = ((unsigned long *) &priv
->port_stats
)[i
];
230 for (i
= 0; i
< priv
->tx_ring_num
; i
++) {
231 data
[index
++] = priv
->tx_ring
[i
].packets
;
232 data
[index
++] = priv
->tx_ring
[i
].bytes
;
234 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
235 data
[index
++] = priv
->rx_ring
[i
].packets
;
236 data
[index
++] = priv
->rx_ring
[i
].bytes
;
238 for (i
= 0; i
< NUM_PKT_STATS
; i
++)
239 data
[index
++] = ((unsigned long *) &priv
->pkstats
)[i
];
240 spin_unlock_bh(&priv
->stats_lock
);
244 static void mlx4_en_get_strings(struct net_device
*dev
,
245 uint32_t stringset
, uint8_t *data
)
247 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
251 if (stringset
!= ETH_SS_STATS
)
254 /* Add main counters */
255 for (i
= 0; i
< NUM_MAIN_STATS
; i
++)
256 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
, main_strings
[i
]);
257 for (i
= 0; i
< NUM_PORT_STATS
; i
++)
258 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
,
259 main_strings
[i
+ NUM_MAIN_STATS
]);
260 for (i
= 0; i
< priv
->tx_ring_num
; i
++) {
261 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
263 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
266 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
267 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
269 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
272 for (i
= 0; i
< NUM_PKT_STATS
; i
++)
273 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
,
274 main_strings
[i
+ NUM_MAIN_STATS
+ NUM_PORT_STATS
]);
277 static int mlx4_en_get_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
279 cmd
->autoneg
= AUTONEG_DISABLE
;
280 cmd
->supported
= SUPPORTED_10000baseT_Full
;
281 cmd
->advertising
= SUPPORTED_10000baseT_Full
;
282 if (netif_carrier_ok(dev
)) {
283 cmd
->speed
= SPEED_10000
;
284 cmd
->duplex
= DUPLEX_FULL
;
292 static int mlx4_en_set_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
294 if ((cmd
->autoneg
== AUTONEG_ENABLE
) ||
295 (cmd
->speed
!= SPEED_10000
) || (cmd
->duplex
!= DUPLEX_FULL
))
298 /* Nothing to change */
302 static int mlx4_en_get_coalesce(struct net_device
*dev
,
303 struct ethtool_coalesce
*coal
)
305 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
307 coal
->tx_coalesce_usecs
= 0;
308 coal
->tx_max_coalesced_frames
= 0;
309 coal
->rx_coalesce_usecs
= priv
->rx_usecs
;
310 coal
->rx_max_coalesced_frames
= priv
->rx_frames
;
312 coal
->pkt_rate_low
= priv
->pkt_rate_low
;
313 coal
->rx_coalesce_usecs_low
= priv
->rx_usecs_low
;
314 coal
->pkt_rate_high
= priv
->pkt_rate_high
;
315 coal
->rx_coalesce_usecs_high
= priv
->rx_usecs_high
;
316 coal
->rate_sample_interval
= priv
->sample_interval
;
317 coal
->use_adaptive_rx_coalesce
= priv
->adaptive_rx_coal
;
321 static int mlx4_en_set_coalesce(struct net_device
*dev
,
322 struct ethtool_coalesce
*coal
)
324 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
327 priv
->rx_frames
= (coal
->rx_max_coalesced_frames
==
329 MLX4_EN_RX_COAL_TARGET
/
331 coal
->rx_max_coalesced_frames
;
332 priv
->rx_usecs
= (coal
->rx_coalesce_usecs
==
334 MLX4_EN_RX_COAL_TIME
:
335 coal
->rx_coalesce_usecs
;
337 /* Set adaptive coalescing params */
338 priv
->pkt_rate_low
= coal
->pkt_rate_low
;
339 priv
->rx_usecs_low
= coal
->rx_coalesce_usecs_low
;
340 priv
->pkt_rate_high
= coal
->pkt_rate_high
;
341 priv
->rx_usecs_high
= coal
->rx_coalesce_usecs_high
;
342 priv
->sample_interval
= coal
->rate_sample_interval
;
343 priv
->adaptive_rx_coal
= coal
->use_adaptive_rx_coalesce
;
344 priv
->last_moder_time
= MLX4_EN_AUTO_CONF
;
345 if (priv
->adaptive_rx_coal
)
348 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
349 priv
->rx_cq
[i
].moder_cnt
= priv
->rx_frames
;
350 priv
->rx_cq
[i
].moder_time
= priv
->rx_usecs
;
351 err
= mlx4_en_set_cq_moder(priv
, &priv
->rx_cq
[i
]);
358 static int mlx4_en_set_pauseparam(struct net_device
*dev
,
359 struct ethtool_pauseparam
*pause
)
361 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
362 struct mlx4_en_dev
*mdev
= priv
->mdev
;
365 priv
->prof
->tx_pause
= pause
->tx_pause
!= 0;
366 priv
->prof
->rx_pause
= pause
->rx_pause
!= 0;
367 err
= mlx4_SET_PORT_general(mdev
->dev
, priv
->port
,
368 priv
->rx_skb_size
+ ETH_FCS_LEN
,
369 priv
->prof
->tx_pause
,
371 priv
->prof
->rx_pause
,
374 mlx4_err(mdev
, "Failed setting pause params to\n");
379 static void mlx4_en_get_pauseparam(struct net_device
*dev
,
380 struct ethtool_pauseparam
*pause
)
382 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
384 pause
->tx_pause
= priv
->prof
->tx_pause
;
385 pause
->rx_pause
= priv
->prof
->rx_pause
;
388 static int mlx4_en_set_ringparam(struct net_device
*dev
,
389 struct ethtool_ringparam
*param
)
391 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
392 struct mlx4_en_dev
*mdev
= priv
->mdev
;
393 u32 rx_size
, tx_size
;
397 if (param
->rx_jumbo_pending
|| param
->rx_mini_pending
)
400 rx_size
= roundup_pow_of_two(param
->rx_pending
);
401 rx_size
= max_t(u32
, rx_size
, MLX4_EN_MIN_RX_SIZE
);
402 tx_size
= roundup_pow_of_two(param
->tx_pending
);
403 tx_size
= max_t(u32
, tx_size
, MLX4_EN_MIN_TX_SIZE
);
405 if (rx_size
== priv
->prof
->rx_ring_size
&&
406 tx_size
== priv
->prof
->tx_ring_size
)
409 mutex_lock(&mdev
->state_lock
);
412 mlx4_en_stop_port(dev
);
415 mlx4_en_free_resources(priv
);
417 priv
->prof
->tx_ring_size
= tx_size
;
418 priv
->prof
->rx_ring_size
= rx_size
;
420 err
= mlx4_en_alloc_resources(priv
);
422 mlx4_err(mdev
, "Failed reallocating port resources\n");
426 err
= mlx4_en_start_port(dev
);
428 mlx4_err(mdev
, "Failed starting port\n");
432 mutex_unlock(&mdev
->state_lock
);
436 static void mlx4_en_get_ringparam(struct net_device
*dev
,
437 struct ethtool_ringparam
*param
)
439 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
440 struct mlx4_en_dev
*mdev
= priv
->mdev
;
442 memset(param
, 0, sizeof(*param
));
443 param
->rx_max_pending
= mdev
->dev
->caps
.max_rq_sg
;
444 param
->tx_max_pending
= mdev
->dev
->caps
.max_sq_sg
;
445 param
->rx_pending
= mdev
->profile
.prof
[priv
->port
].rx_ring_size
;
446 param
->tx_pending
= mdev
->profile
.prof
[priv
->port
].tx_ring_size
;
449 const struct ethtool_ops mlx4_en_ethtool_ops
= {
450 .get_drvinfo
= mlx4_en_get_drvinfo
,
451 .get_settings
= mlx4_en_get_settings
,
452 .set_settings
= mlx4_en_set_settings
,
454 .get_tso
= mlx4_en_get_tso
,
455 .set_tso
= mlx4_en_set_tso
,
457 .get_sg
= ethtool_op_get_sg
,
458 .set_sg
= ethtool_op_set_sg
,
459 .get_link
= ethtool_op_get_link
,
460 .get_rx_csum
= mlx4_en_get_rx_csum
,
461 .set_rx_csum
= mlx4_en_set_rx_csum
,
462 .get_tx_csum
= ethtool_op_get_tx_csum
,
463 .set_tx_csum
= ethtool_op_set_tx_ipv6_csum
,
464 .get_strings
= mlx4_en_get_strings
,
465 .get_sset_count
= mlx4_en_get_sset_count
,
466 .get_ethtool_stats
= mlx4_en_get_ethtool_stats
,
467 .get_wol
= mlx4_en_get_wol
,
468 .get_msglevel
= mlx4_en_get_msglevel
,
469 .set_msglevel
= mlx4_en_set_msglevel
,
470 .get_coalesce
= mlx4_en_get_coalesce
,
471 .set_coalesce
= mlx4_en_set_coalesce
,
472 .get_pauseparam
= mlx4_en_get_pauseparam
,
473 .set_pauseparam
= mlx4_en_set_pauseparam
,
474 .get_ringparam
= mlx4_en_get_ringparam
,
475 .set_ringparam
= mlx4_en_set_ringparam
,
476 .get_flags
= ethtool_op_get_flags
,
477 .set_flags
= ethtool_op_set_flags
,