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>
37 #include <linux/mlx4/driver.h>
44 #define EN_ETHTOOL_QP_ATTACH (1ull << 63)
45 #define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
46 #define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff)
48 static int mlx4_en_moderation_update(struct mlx4_en_priv
*priv
)
53 for (i
= 0; i
< priv
->tx_ring_num
; i
++) {
54 priv
->tx_cq
[i
].moder_cnt
= priv
->tx_frames
;
55 priv
->tx_cq
[i
].moder_time
= priv
->tx_usecs
;
56 err
= mlx4_en_set_cq_moder(priv
, &priv
->tx_cq
[i
]);
61 if (priv
->adaptive_rx_coal
)
64 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
65 priv
->rx_cq
[i
].moder_cnt
= priv
->rx_frames
;
66 priv
->rx_cq
[i
].moder_time
= priv
->rx_usecs
;
67 priv
->last_moder_time
[i
] = MLX4_EN_AUTO_CONF
;
68 err
= mlx4_en_set_cq_moder(priv
, &priv
->rx_cq
[i
]);
77 mlx4_en_get_drvinfo(struct net_device
*dev
, struct ethtool_drvinfo
*drvinfo
)
79 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
80 struct mlx4_en_dev
*mdev
= priv
->mdev
;
82 strlcpy(drvinfo
->driver
, DRV_NAME
, sizeof(drvinfo
->driver
));
83 strlcpy(drvinfo
->version
, DRV_VERSION
" (" DRV_RELDATE
")",
84 sizeof(drvinfo
->version
));
85 snprintf(drvinfo
->fw_version
, sizeof(drvinfo
->fw_version
),
87 (u16
) (mdev
->dev
->caps
.fw_ver
>> 32),
88 (u16
) ((mdev
->dev
->caps
.fw_ver
>> 16) & 0xffff),
89 (u16
) (mdev
->dev
->caps
.fw_ver
& 0xffff));
90 strlcpy(drvinfo
->bus_info
, pci_name(mdev
->dev
->pdev
),
91 sizeof(drvinfo
->bus_info
));
93 drvinfo
->regdump_len
= 0;
94 drvinfo
->eedump_len
= 0;
97 static const char main_strings
[][ETH_GSTRING_LEN
] = {
98 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
99 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
100 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
101 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
102 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
103 "tx_heartbeat_errors", "tx_window_errors",
105 /* port statistics */
107 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
108 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
110 /* packet statistics */
111 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
112 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
113 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
114 "tx_prio_6", "tx_prio_7",
116 #define NUM_MAIN_STATS 21
117 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
119 static const char mlx4_en_test_names
[][ETH_GSTRING_LEN
]= {
127 static u32
mlx4_en_get_msglevel(struct net_device
*dev
)
129 return ((struct mlx4_en_priv
*) netdev_priv(dev
))->msg_enable
;
132 static void mlx4_en_set_msglevel(struct net_device
*dev
, u32 val
)
134 ((struct mlx4_en_priv
*) netdev_priv(dev
))->msg_enable
= val
;
137 static void mlx4_en_get_wol(struct net_device
*netdev
,
138 struct ethtool_wolinfo
*wol
)
140 struct mlx4_en_priv
*priv
= netdev_priv(netdev
);
145 if ((priv
->port
< 1) || (priv
->port
> 2)) {
146 en_err(priv
, "Failed to get WoL information\n");
150 mask
= (priv
->port
== 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1
:
151 MLX4_DEV_CAP_FLAG_WOL_PORT2
;
153 if (!(priv
->mdev
->dev
->caps
.flags
& mask
)) {
159 err
= mlx4_wol_read(priv
->mdev
->dev
, &config
, priv
->port
);
161 en_err(priv
, "Failed to get WoL information\n");
165 if (config
& MLX4_EN_WOL_MAGIC
)
166 wol
->supported
= WAKE_MAGIC
;
170 if (config
& MLX4_EN_WOL_ENABLED
)
171 wol
->wolopts
= WAKE_MAGIC
;
176 static int mlx4_en_set_wol(struct net_device
*netdev
,
177 struct ethtool_wolinfo
*wol
)
179 struct mlx4_en_priv
*priv
= netdev_priv(netdev
);
184 if ((priv
->port
< 1) || (priv
->port
> 2))
187 mask
= (priv
->port
== 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1
:
188 MLX4_DEV_CAP_FLAG_WOL_PORT2
;
190 if (!(priv
->mdev
->dev
->caps
.flags
& mask
))
193 if (wol
->supported
& ~WAKE_MAGIC
)
196 err
= mlx4_wol_read(priv
->mdev
->dev
, &config
, priv
->port
);
198 en_err(priv
, "Failed to get WoL info, unable to modify\n");
202 if (wol
->wolopts
& WAKE_MAGIC
) {
203 config
|= MLX4_EN_WOL_DO_MODIFY
| MLX4_EN_WOL_ENABLED
|
206 config
&= ~(MLX4_EN_WOL_ENABLED
| MLX4_EN_WOL_MAGIC
);
207 config
|= MLX4_EN_WOL_DO_MODIFY
;
210 err
= mlx4_wol_write(priv
->mdev
->dev
, config
, priv
->port
);
212 en_err(priv
, "Failed to set WoL information\n");
217 static int mlx4_en_get_sset_count(struct net_device
*dev
, int sset
)
219 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
220 int bit_count
= hweight64(priv
->stats_bitmap
);
224 return (priv
->stats_bitmap
? bit_count
: NUM_ALL_STATS
) +
225 (priv
->tx_ring_num
* 2) +
226 #ifdef CONFIG_NET_LL_RX_POLL
227 (priv
->rx_ring_num
* 5);
229 (priv
->rx_ring_num
* 2);
232 return MLX4_EN_NUM_SELF_TEST
- !(priv
->mdev
->dev
->caps
.flags
233 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK
) * 2;
239 static void mlx4_en_get_ethtool_stats(struct net_device
*dev
,
240 struct ethtool_stats
*stats
, uint64_t *data
)
242 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
246 spin_lock_bh(&priv
->stats_lock
);
248 if (!(priv
->stats_bitmap
)) {
249 for (i
= 0; i
< NUM_MAIN_STATS
; i
++)
251 ((unsigned long *) &priv
->stats
)[i
];
252 for (i
= 0; i
< NUM_PORT_STATS
; i
++)
254 ((unsigned long *) &priv
->port_stats
)[i
];
255 for (i
= 0; i
< NUM_PKT_STATS
; i
++)
257 ((unsigned long *) &priv
->pkstats
)[i
];
259 for (i
= 0; i
< NUM_MAIN_STATS
; i
++) {
260 if ((priv
->stats_bitmap
>> j
) & 1)
262 ((unsigned long *) &priv
->stats
)[i
];
265 for (i
= 0; i
< NUM_PORT_STATS
; i
++) {
266 if ((priv
->stats_bitmap
>> j
) & 1)
268 ((unsigned long *) &priv
->port_stats
)[i
];
272 for (i
= 0; i
< priv
->tx_ring_num
; i
++) {
273 data
[index
++] = priv
->tx_ring
[i
].packets
;
274 data
[index
++] = priv
->tx_ring
[i
].bytes
;
276 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
277 data
[index
++] = priv
->rx_ring
[i
].packets
;
278 data
[index
++] = priv
->rx_ring
[i
].bytes
;
279 #ifdef CONFIG_NET_LL_RX_POLL
280 data
[index
++] = priv
->rx_ring
[i
].yields
;
281 data
[index
++] = priv
->rx_ring
[i
].misses
;
282 data
[index
++] = priv
->rx_ring
[i
].cleaned
;
285 spin_unlock_bh(&priv
->stats_lock
);
289 static void mlx4_en_self_test(struct net_device
*dev
,
290 struct ethtool_test
*etest
, u64
*buf
)
292 mlx4_en_ex_selftest(dev
, &etest
->flags
, buf
);
295 static void mlx4_en_get_strings(struct net_device
*dev
,
296 uint32_t stringset
, uint8_t *data
)
298 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
304 for (i
= 0; i
< MLX4_EN_NUM_SELF_TEST
- 2; i
++)
305 strcpy(data
+ i
* ETH_GSTRING_LEN
, mlx4_en_test_names
[i
]);
306 if (priv
->mdev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_UC_LOOPBACK
)
307 for (; i
< MLX4_EN_NUM_SELF_TEST
; i
++)
308 strcpy(data
+ i
* ETH_GSTRING_LEN
, mlx4_en_test_names
[i
]);
312 /* Add main counters */
313 if (!priv
->stats_bitmap
) {
314 for (i
= 0; i
< NUM_MAIN_STATS
; i
++)
315 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
,
317 for (i
= 0; i
< NUM_PORT_STATS
; i
++)
318 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
,
321 for (i
= 0; i
< NUM_PKT_STATS
; i
++)
322 strcpy(data
+ (index
++) * ETH_GSTRING_LEN
,
327 for (i
= 0; i
< NUM_MAIN_STATS
+ NUM_PORT_STATS
; i
++) {
328 if ((priv
->stats_bitmap
>> i
) & 1) {
330 (index
++) * ETH_GSTRING_LEN
,
333 if (!(priv
->stats_bitmap
>> i
))
336 for (i
= 0; i
< priv
->tx_ring_num
; i
++) {
337 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
339 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
342 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
343 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
345 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
347 #ifdef CONFIG_NET_LL_RX_POLL
348 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
349 "rx%d_napi_yield", i
);
350 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
352 sprintf(data
+ (index
++) * ETH_GSTRING_LEN
,
360 static int mlx4_en_get_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
362 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
365 cmd
->autoneg
= AUTONEG_DISABLE
;
366 cmd
->supported
= SUPPORTED_10000baseT_Full
;
367 cmd
->advertising
= ADVERTISED_10000baseT_Full
;
369 if (mlx4_en_QUERY_PORT(priv
->mdev
, priv
->port
))
372 trans_type
= priv
->port_state
.transciver
;
373 if (netif_carrier_ok(dev
)) {
374 ethtool_cmd_speed_set(cmd
, priv
->port_state
.link_speed
);
375 cmd
->duplex
= DUPLEX_FULL
;
377 ethtool_cmd_speed_set(cmd
, -1);
381 if (trans_type
> 0 && trans_type
<= 0xC) {
382 cmd
->port
= PORT_FIBRE
;
383 cmd
->transceiver
= XCVR_EXTERNAL
;
384 cmd
->supported
|= SUPPORTED_FIBRE
;
385 cmd
->advertising
|= ADVERTISED_FIBRE
;
386 } else if (trans_type
== 0x80 || trans_type
== 0) {
388 cmd
->transceiver
= XCVR_INTERNAL
;
389 cmd
->supported
|= SUPPORTED_TP
;
390 cmd
->advertising
|= ADVERTISED_TP
;
393 cmd
->transceiver
= -1;
398 static int mlx4_en_set_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
400 if ((cmd
->autoneg
== AUTONEG_ENABLE
) ||
401 (ethtool_cmd_speed(cmd
) != SPEED_10000
) ||
402 (cmd
->duplex
!= DUPLEX_FULL
))
405 /* Nothing to change */
409 static int mlx4_en_get_coalesce(struct net_device
*dev
,
410 struct ethtool_coalesce
*coal
)
412 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
414 coal
->tx_coalesce_usecs
= priv
->tx_usecs
;
415 coal
->tx_max_coalesced_frames
= priv
->tx_frames
;
416 coal
->rx_coalesce_usecs
= priv
->rx_usecs
;
417 coal
->rx_max_coalesced_frames
= priv
->rx_frames
;
419 coal
->pkt_rate_low
= priv
->pkt_rate_low
;
420 coal
->rx_coalesce_usecs_low
= priv
->rx_usecs_low
;
421 coal
->pkt_rate_high
= priv
->pkt_rate_high
;
422 coal
->rx_coalesce_usecs_high
= priv
->rx_usecs_high
;
423 coal
->rate_sample_interval
= priv
->sample_interval
;
424 coal
->use_adaptive_rx_coalesce
= priv
->adaptive_rx_coal
;
428 static int mlx4_en_set_coalesce(struct net_device
*dev
,
429 struct ethtool_coalesce
*coal
)
431 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
433 priv
->rx_frames
= (coal
->rx_max_coalesced_frames
==
435 MLX4_EN_RX_COAL_TARGET
:
436 coal
->rx_max_coalesced_frames
;
437 priv
->rx_usecs
= (coal
->rx_coalesce_usecs
==
439 MLX4_EN_RX_COAL_TIME
:
440 coal
->rx_coalesce_usecs
;
442 /* Setting TX coalescing parameters */
443 if (coal
->tx_coalesce_usecs
!= priv
->tx_usecs
||
444 coal
->tx_max_coalesced_frames
!= priv
->tx_frames
) {
445 priv
->tx_usecs
= coal
->tx_coalesce_usecs
;
446 priv
->tx_frames
= coal
->tx_max_coalesced_frames
;
449 /* Set adaptive coalescing params */
450 priv
->pkt_rate_low
= coal
->pkt_rate_low
;
451 priv
->rx_usecs_low
= coal
->rx_coalesce_usecs_low
;
452 priv
->pkt_rate_high
= coal
->pkt_rate_high
;
453 priv
->rx_usecs_high
= coal
->rx_coalesce_usecs_high
;
454 priv
->sample_interval
= coal
->rate_sample_interval
;
455 priv
->adaptive_rx_coal
= coal
->use_adaptive_rx_coalesce
;
457 return mlx4_en_moderation_update(priv
);
460 static int mlx4_en_set_pauseparam(struct net_device
*dev
,
461 struct ethtool_pauseparam
*pause
)
463 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
464 struct mlx4_en_dev
*mdev
= priv
->mdev
;
467 priv
->prof
->tx_pause
= pause
->tx_pause
!= 0;
468 priv
->prof
->rx_pause
= pause
->rx_pause
!= 0;
469 err
= mlx4_SET_PORT_general(mdev
->dev
, priv
->port
,
470 priv
->rx_skb_size
+ ETH_FCS_LEN
,
471 priv
->prof
->tx_pause
,
473 priv
->prof
->rx_pause
,
476 en_err(priv
, "Failed setting pause params\n");
481 static void mlx4_en_get_pauseparam(struct net_device
*dev
,
482 struct ethtool_pauseparam
*pause
)
484 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
486 pause
->tx_pause
= priv
->prof
->tx_pause
;
487 pause
->rx_pause
= priv
->prof
->rx_pause
;
490 static int mlx4_en_set_ringparam(struct net_device
*dev
,
491 struct ethtool_ringparam
*param
)
493 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
494 struct mlx4_en_dev
*mdev
= priv
->mdev
;
495 u32 rx_size
, tx_size
;
499 if (param
->rx_jumbo_pending
|| param
->rx_mini_pending
)
502 rx_size
= roundup_pow_of_two(param
->rx_pending
);
503 rx_size
= max_t(u32
, rx_size
, MLX4_EN_MIN_RX_SIZE
);
504 rx_size
= min_t(u32
, rx_size
, MLX4_EN_MAX_RX_SIZE
);
505 tx_size
= roundup_pow_of_two(param
->tx_pending
);
506 tx_size
= max_t(u32
, tx_size
, MLX4_EN_MIN_TX_SIZE
);
507 tx_size
= min_t(u32
, tx_size
, MLX4_EN_MAX_TX_SIZE
);
509 if (rx_size
== (priv
->port_up
? priv
->rx_ring
[0].actual_size
:
510 priv
->rx_ring
[0].size
) &&
511 tx_size
== priv
->tx_ring
[0].size
)
514 mutex_lock(&mdev
->state_lock
);
517 mlx4_en_stop_port(dev
, 1);
520 mlx4_en_free_resources(priv
);
522 priv
->prof
->tx_ring_size
= tx_size
;
523 priv
->prof
->rx_ring_size
= rx_size
;
525 err
= mlx4_en_alloc_resources(priv
);
527 en_err(priv
, "Failed reallocating port resources\n");
531 err
= mlx4_en_start_port(dev
);
533 en_err(priv
, "Failed starting port\n");
536 err
= mlx4_en_moderation_update(priv
);
539 mutex_unlock(&mdev
->state_lock
);
543 static void mlx4_en_get_ringparam(struct net_device
*dev
,
544 struct ethtool_ringparam
*param
)
546 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
548 memset(param
, 0, sizeof(*param
));
549 param
->rx_max_pending
= MLX4_EN_MAX_RX_SIZE
;
550 param
->tx_max_pending
= MLX4_EN_MAX_TX_SIZE
;
551 param
->rx_pending
= priv
->port_up
?
552 priv
->rx_ring
[0].actual_size
: priv
->rx_ring
[0].size
;
553 param
->tx_pending
= priv
->tx_ring
[0].size
;
556 static u32
mlx4_en_get_rxfh_indir_size(struct net_device
*dev
)
558 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
560 return priv
->rx_ring_num
;
563 static int mlx4_en_get_rxfh_indir(struct net_device
*dev
, u32
*ring_index
)
565 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
566 struct mlx4_en_rss_map
*rss_map
= &priv
->rss_map
;
568 size_t n
= priv
->rx_ring_num
;
571 rss_rings
= priv
->prof
->rss_rings
?: priv
->rx_ring_num
;
574 ring_index
[n
] = rss_map
->qps
[n
% rss_rings
].qpn
-
581 static int mlx4_en_set_rxfh_indir(struct net_device
*dev
,
582 const u32
*ring_index
)
584 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
585 struct mlx4_en_dev
*mdev
= priv
->mdev
;
591 /* Calculate RSS table size and make sure flows are spread evenly
594 for (i
= 0; i
< priv
->rx_ring_num
; i
++) {
595 if (i
> 0 && !ring_index
[i
] && !rss_rings
)
598 if (ring_index
[i
] != (i
% (rss_rings
?: priv
->rx_ring_num
)))
603 rss_rings
= priv
->rx_ring_num
;
605 /* RSS table size must be an order of 2 */
606 if (!is_power_of_2(rss_rings
))
609 mutex_lock(&mdev
->state_lock
);
612 mlx4_en_stop_port(dev
, 1);
615 priv
->prof
->rss_rings
= rss_rings
;
618 err
= mlx4_en_start_port(dev
);
620 en_err(priv
, "Failed starting port\n");
623 mutex_unlock(&mdev
->state_lock
);
627 #define all_zeros_or_all_ones(field) \
628 ((field) == 0 || (field) == (__force typeof(field))-1)
630 static int mlx4_en_validate_flow(struct net_device
*dev
,
631 struct ethtool_rxnfc
*cmd
)
633 struct ethtool_usrip4_spec
*l3_mask
;
634 struct ethtool_tcpip4_spec
*l4_mask
;
635 struct ethhdr
*eth_mask
;
637 if (cmd
->fs
.location
>= MAX_NUM_OF_FS_RULES
)
640 if (cmd
->fs
.flow_type
& FLOW_MAC_EXT
) {
641 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
642 if (!is_broadcast_ether_addr(cmd
->fs
.m_ext
.h_dest
))
646 switch (cmd
->fs
.flow_type
& ~(FLOW_EXT
| FLOW_MAC_EXT
)) {
649 if (cmd
->fs
.m_u
.tcp_ip4_spec
.tos
)
651 l4_mask
= &cmd
->fs
.m_u
.tcp_ip4_spec
;
652 /* don't allow mask which isn't all 0 or 1 */
653 if (!all_zeros_or_all_ones(l4_mask
->ip4src
) ||
654 !all_zeros_or_all_ones(l4_mask
->ip4dst
) ||
655 !all_zeros_or_all_ones(l4_mask
->psrc
) ||
656 !all_zeros_or_all_ones(l4_mask
->pdst
))
660 l3_mask
= &cmd
->fs
.m_u
.usr_ip4_spec
;
661 if (l3_mask
->l4_4_bytes
|| l3_mask
->tos
|| l3_mask
->proto
||
662 cmd
->fs
.h_u
.usr_ip4_spec
.ip_ver
!= ETH_RX_NFC_IP4
||
663 (!l3_mask
->ip4src
&& !l3_mask
->ip4dst
) ||
664 !all_zeros_or_all_ones(l3_mask
->ip4src
) ||
665 !all_zeros_or_all_ones(l3_mask
->ip4dst
))
669 eth_mask
= &cmd
->fs
.m_u
.ether_spec
;
670 /* source mac mask must not be set */
671 if (!is_zero_ether_addr(eth_mask
->h_source
))
674 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
675 if (!is_broadcast_ether_addr(eth_mask
->h_dest
))
678 if (!all_zeros_or_all_ones(eth_mask
->h_proto
))
685 if ((cmd
->fs
.flow_type
& FLOW_EXT
)) {
686 if (cmd
->fs
.m_ext
.vlan_etype
||
687 !((cmd
->fs
.m_ext
.vlan_tci
& cpu_to_be16(VLAN_VID_MASK
)) ==
689 (cmd
->fs
.m_ext
.vlan_tci
& cpu_to_be16(VLAN_VID_MASK
)) ==
690 cpu_to_be16(VLAN_VID_MASK
)))
693 if (cmd
->fs
.m_ext
.vlan_tci
) {
694 if (be16_to_cpu(cmd
->fs
.h_ext
.vlan_tci
) >= VLAN_N_VID
)
703 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc
*cmd
,
704 struct list_head
*rule_list_h
,
705 struct mlx4_spec_list
*spec_l2
,
709 __be64 mac_msk
= cpu_to_be64(MLX4_MAC_MASK
<< 16);
711 spec_l2
->id
= MLX4_NET_TRANS_RULE_ID_ETH
;
712 memcpy(spec_l2
->eth
.dst_mac_msk
, &mac_msk
, ETH_ALEN
);
713 memcpy(spec_l2
->eth
.dst_mac
, mac
, ETH_ALEN
);
715 if ((cmd
->fs
.flow_type
& FLOW_EXT
) &&
716 (cmd
->fs
.m_ext
.vlan_tci
& cpu_to_be16(VLAN_VID_MASK
))) {
717 spec_l2
->eth
.vlan_id
= cmd
->fs
.h_ext
.vlan_tci
;
718 spec_l2
->eth
.vlan_id_msk
= cpu_to_be16(VLAN_VID_MASK
);
721 list_add_tail(&spec_l2
->list
, rule_list_h
);
726 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv
*priv
,
727 struct ethtool_rxnfc
*cmd
,
728 struct list_head
*rule_list_h
,
729 struct mlx4_spec_list
*spec_l2
,
733 unsigned char mac
[ETH_ALEN
];
735 if (!ipv4_is_multicast(ipv4_dst
)) {
736 if (cmd
->fs
.flow_type
& FLOW_MAC_EXT
)
737 memcpy(&mac
, cmd
->fs
.h_ext
.h_dest
, ETH_ALEN
);
739 memcpy(&mac
, priv
->dev
->dev_addr
, ETH_ALEN
);
741 ip_eth_mc_map(ipv4_dst
, mac
);
744 return mlx4_en_ethtool_add_mac_rule(cmd
, rule_list_h
, spec_l2
, &mac
[0]);
750 static int add_ip_rule(struct mlx4_en_priv
*priv
,
751 struct ethtool_rxnfc
*cmd
,
752 struct list_head
*list_h
)
755 struct mlx4_spec_list
*spec_l2
= NULL
;
756 struct mlx4_spec_list
*spec_l3
= NULL
;
757 struct ethtool_usrip4_spec
*l3_mask
= &cmd
->fs
.m_u
.usr_ip4_spec
;
759 spec_l3
= kzalloc(sizeof(*spec_l3
), GFP_KERNEL
);
760 spec_l2
= kzalloc(sizeof(*spec_l2
), GFP_KERNEL
);
761 if (!spec_l2
|| !spec_l3
) {
766 err
= mlx4_en_ethtool_add_mac_rule_by_ipv4(priv
, cmd
, list_h
, spec_l2
,
768 usr_ip4_spec
.ip4dst
);
771 spec_l3
->id
= MLX4_NET_TRANS_RULE_ID_IPV4
;
772 spec_l3
->ipv4
.src_ip
= cmd
->fs
.h_u
.usr_ip4_spec
.ip4src
;
774 spec_l3
->ipv4
.src_ip_msk
= EN_ETHTOOL_WORD_MASK
;
775 spec_l3
->ipv4
.dst_ip
= cmd
->fs
.h_u
.usr_ip4_spec
.ip4dst
;
777 spec_l3
->ipv4
.dst_ip_msk
= EN_ETHTOOL_WORD_MASK
;
778 list_add_tail(&spec_l3
->list
, list_h
);
788 static int add_tcp_udp_rule(struct mlx4_en_priv
*priv
,
789 struct ethtool_rxnfc
*cmd
,
790 struct list_head
*list_h
, int proto
)
793 struct mlx4_spec_list
*spec_l2
= NULL
;
794 struct mlx4_spec_list
*spec_l3
= NULL
;
795 struct mlx4_spec_list
*spec_l4
= NULL
;
796 struct ethtool_tcpip4_spec
*l4_mask
= &cmd
->fs
.m_u
.tcp_ip4_spec
;
798 spec_l2
= kzalloc(sizeof(*spec_l2
), GFP_KERNEL
);
799 spec_l3
= kzalloc(sizeof(*spec_l3
), GFP_KERNEL
);
800 spec_l4
= kzalloc(sizeof(*spec_l4
), GFP_KERNEL
);
801 if (!spec_l2
|| !spec_l3
|| !spec_l4
) {
806 spec_l3
->id
= MLX4_NET_TRANS_RULE_ID_IPV4
;
808 if (proto
== TCP_V4_FLOW
) {
809 err
= mlx4_en_ethtool_add_mac_rule_by_ipv4(priv
, cmd
, list_h
,
812 tcp_ip4_spec
.ip4dst
);
815 spec_l4
->id
= MLX4_NET_TRANS_RULE_ID_TCP
;
816 spec_l3
->ipv4
.src_ip
= cmd
->fs
.h_u
.tcp_ip4_spec
.ip4src
;
817 spec_l3
->ipv4
.dst_ip
= cmd
->fs
.h_u
.tcp_ip4_spec
.ip4dst
;
818 spec_l4
->tcp_udp
.src_port
= cmd
->fs
.h_u
.tcp_ip4_spec
.psrc
;
819 spec_l4
->tcp_udp
.dst_port
= cmd
->fs
.h_u
.tcp_ip4_spec
.pdst
;
821 err
= mlx4_en_ethtool_add_mac_rule_by_ipv4(priv
, cmd
, list_h
,
824 udp_ip4_spec
.ip4dst
);
827 spec_l4
->id
= MLX4_NET_TRANS_RULE_ID_UDP
;
828 spec_l3
->ipv4
.src_ip
= cmd
->fs
.h_u
.udp_ip4_spec
.ip4src
;
829 spec_l3
->ipv4
.dst_ip
= cmd
->fs
.h_u
.udp_ip4_spec
.ip4dst
;
830 spec_l4
->tcp_udp
.src_port
= cmd
->fs
.h_u
.udp_ip4_spec
.psrc
;
831 spec_l4
->tcp_udp
.dst_port
= cmd
->fs
.h_u
.udp_ip4_spec
.pdst
;
835 spec_l3
->ipv4
.src_ip_msk
= EN_ETHTOOL_WORD_MASK
;
837 spec_l3
->ipv4
.dst_ip_msk
= EN_ETHTOOL_WORD_MASK
;
840 spec_l4
->tcp_udp
.src_port_msk
= EN_ETHTOOL_SHORT_MASK
;
842 spec_l4
->tcp_udp
.dst_port_msk
= EN_ETHTOOL_SHORT_MASK
;
844 list_add_tail(&spec_l3
->list
, list_h
);
845 list_add_tail(&spec_l4
->list
, list_h
);
856 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device
*dev
,
857 struct ethtool_rxnfc
*cmd
,
858 struct list_head
*rule_list_h
)
861 struct ethhdr
*eth_spec
;
862 struct mlx4_spec_list
*spec_l2
;
863 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
865 err
= mlx4_en_validate_flow(dev
, cmd
);
869 switch (cmd
->fs
.flow_type
& ~(FLOW_EXT
| FLOW_MAC_EXT
)) {
871 spec_l2
= kzalloc(sizeof(*spec_l2
), GFP_KERNEL
);
875 eth_spec
= &cmd
->fs
.h_u
.ether_spec
;
876 mlx4_en_ethtool_add_mac_rule(cmd
, rule_list_h
, spec_l2
,
877 ð_spec
->h_dest
[0]);
878 spec_l2
->eth
.ether_type
= eth_spec
->h_proto
;
879 if (eth_spec
->h_proto
)
880 spec_l2
->eth
.ether_type_enable
= 1;
883 err
= add_ip_rule(priv
, cmd
, rule_list_h
);
886 err
= add_tcp_udp_rule(priv
, cmd
, rule_list_h
, TCP_V4_FLOW
);
889 err
= add_tcp_udp_rule(priv
, cmd
, rule_list_h
, UDP_V4_FLOW
);
896 static int mlx4_en_flow_replace(struct net_device
*dev
,
897 struct ethtool_rxnfc
*cmd
)
900 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
901 struct ethtool_flow_id
*loc_rule
;
902 struct mlx4_spec_list
*spec
, *tmp_spec
;
906 struct mlx4_net_trans_rule rule
= {
907 .queue_mode
= MLX4_NET_TRANS_Q_FIFO
,
910 .promisc_mode
= MLX4_FS_REGULAR
,
913 rule
.port
= priv
->port
;
914 rule
.priority
= MLX4_DOMAIN_ETHTOOL
| cmd
->fs
.location
;
915 INIT_LIST_HEAD(&rule
.list
);
917 /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
918 if (cmd
->fs
.ring_cookie
== RX_CLS_FLOW_DISC
)
919 qpn
= priv
->drop_qp
.qpn
;
920 else if (cmd
->fs
.ring_cookie
& EN_ETHTOOL_QP_ATTACH
) {
921 qpn
= cmd
->fs
.ring_cookie
& (EN_ETHTOOL_QP_ATTACH
- 1);
923 if (cmd
->fs
.ring_cookie
>= priv
->rx_ring_num
) {
924 en_warn(priv
, "rxnfc: RX ring (%llu) doesn't exist.\n",
925 cmd
->fs
.ring_cookie
);
928 qpn
= priv
->rss_map
.qps
[cmd
->fs
.ring_cookie
].qpn
;
930 en_warn(priv
, "rxnfc: RX ring (%llu) is inactive.\n",
931 cmd
->fs
.ring_cookie
);
936 err
= mlx4_en_ethtool_to_net_trans_rule(dev
, cmd
, &rule
.list
);
940 loc_rule
= &priv
->ethtool_rules
[cmd
->fs
.location
];
942 err
= mlx4_flow_detach(priv
->mdev
->dev
, loc_rule
->id
);
944 en_err(priv
, "Fail to detach network rule at location %d. registration id = %llx\n",
945 cmd
->fs
.location
, loc_rule
->id
);
949 memset(&loc_rule
->flow_spec
, 0,
950 sizeof(struct ethtool_rx_flow_spec
));
951 list_del(&loc_rule
->list
);
953 err
= mlx4_flow_attach(priv
->mdev
->dev
, &rule
, ®_id
);
955 en_err(priv
, "Fail to attach network rule at location %d.\n",
959 loc_rule
->id
= reg_id
;
960 memcpy(&loc_rule
->flow_spec
, &cmd
->fs
,
961 sizeof(struct ethtool_rx_flow_spec
));
962 list_add_tail(&loc_rule
->list
, &priv
->ethtool_list
);
965 list_for_each_entry_safe(spec
, tmp_spec
, &rule
.list
, list
) {
966 list_del(&spec
->list
);
972 static int mlx4_en_flow_detach(struct net_device
*dev
,
973 struct ethtool_rxnfc
*cmd
)
976 struct ethtool_flow_id
*rule
;
977 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
979 if (cmd
->fs
.location
>= MAX_NUM_OF_FS_RULES
)
982 rule
= &priv
->ethtool_rules
[cmd
->fs
.location
];
988 err
= mlx4_flow_detach(priv
->mdev
->dev
, rule
->id
);
990 en_err(priv
, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
991 cmd
->fs
.location
, rule
->id
);
995 memset(&rule
->flow_spec
, 0, sizeof(struct ethtool_rx_flow_spec
));
996 list_del(&rule
->list
);
1002 static int mlx4_en_get_flow(struct net_device
*dev
, struct ethtool_rxnfc
*cmd
,
1006 struct ethtool_flow_id
*rule
;
1007 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
1009 if (loc
< 0 || loc
>= MAX_NUM_OF_FS_RULES
)
1012 rule
= &priv
->ethtool_rules
[loc
];
1014 memcpy(&cmd
->fs
, &rule
->flow_spec
,
1015 sizeof(struct ethtool_rx_flow_spec
));
1022 static int mlx4_en_get_num_flows(struct mlx4_en_priv
*priv
)
1026 for (i
= 0; i
< MAX_NUM_OF_FS_RULES
; i
++) {
1027 if (priv
->ethtool_rules
[i
].id
)
1034 static int mlx4_en_get_rxnfc(struct net_device
*dev
, struct ethtool_rxnfc
*cmd
,
1037 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
1038 struct mlx4_en_dev
*mdev
= priv
->mdev
;
1040 int i
= 0, priority
= 0;
1042 if ((cmd
->cmd
== ETHTOOL_GRXCLSRLCNT
||
1043 cmd
->cmd
== ETHTOOL_GRXCLSRULE
||
1044 cmd
->cmd
== ETHTOOL_GRXCLSRLALL
) &&
1045 (mdev
->dev
->caps
.steering_mode
!=
1046 MLX4_STEERING_MODE_DEVICE_MANAGED
|| !priv
->port_up
))
1050 case ETHTOOL_GRXRINGS
:
1051 cmd
->data
= priv
->rx_ring_num
;
1053 case ETHTOOL_GRXCLSRLCNT
:
1054 cmd
->rule_cnt
= mlx4_en_get_num_flows(priv
);
1056 case ETHTOOL_GRXCLSRULE
:
1057 err
= mlx4_en_get_flow(dev
, cmd
, cmd
->fs
.location
);
1059 case ETHTOOL_GRXCLSRLALL
:
1060 while ((!err
|| err
== -ENOENT
) && priority
< cmd
->rule_cnt
) {
1061 err
= mlx4_en_get_flow(dev
, cmd
, i
);
1063 rule_locs
[priority
++] = i
;
1076 static int mlx4_en_set_rxnfc(struct net_device
*dev
, struct ethtool_rxnfc
*cmd
)
1079 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
1080 struct mlx4_en_dev
*mdev
= priv
->mdev
;
1082 if (mdev
->dev
->caps
.steering_mode
!=
1083 MLX4_STEERING_MODE_DEVICE_MANAGED
|| !priv
->port_up
)
1087 case ETHTOOL_SRXCLSRLINS
:
1088 err
= mlx4_en_flow_replace(dev
, cmd
);
1090 case ETHTOOL_SRXCLSRLDEL
:
1091 err
= mlx4_en_flow_detach(dev
, cmd
);
1094 en_warn(priv
, "Unsupported ethtool command. (%d)\n", cmd
->cmd
);
1101 static void mlx4_en_get_channels(struct net_device
*dev
,
1102 struct ethtool_channels
*channel
)
1104 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
1106 memset(channel
, 0, sizeof(*channel
));
1108 channel
->max_rx
= MAX_RX_RINGS
;
1109 channel
->max_tx
= MLX4_EN_MAX_TX_RING_P_UP
;
1111 channel
->rx_count
= priv
->rx_ring_num
;
1112 channel
->tx_count
= priv
->tx_ring_num
/ MLX4_EN_NUM_UP
;
1115 static int mlx4_en_set_channels(struct net_device
*dev
,
1116 struct ethtool_channels
*channel
)
1118 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
1119 struct mlx4_en_dev
*mdev
= priv
->mdev
;
1123 if (channel
->other_count
|| channel
->combined_count
||
1124 channel
->tx_count
> MLX4_EN_MAX_TX_RING_P_UP
||
1125 channel
->rx_count
> MAX_RX_RINGS
||
1126 !channel
->tx_count
|| !channel
->rx_count
)
1129 mutex_lock(&mdev
->state_lock
);
1130 if (priv
->port_up
) {
1132 mlx4_en_stop_port(dev
, 1);
1135 mlx4_en_free_resources(priv
);
1137 priv
->num_tx_rings_p_up
= channel
->tx_count
;
1138 priv
->tx_ring_num
= channel
->tx_count
* MLX4_EN_NUM_UP
;
1139 priv
->rx_ring_num
= channel
->rx_count
;
1141 err
= mlx4_en_alloc_resources(priv
);
1143 en_err(priv
, "Failed reallocating port resources\n");
1147 netif_set_real_num_tx_queues(dev
, priv
->tx_ring_num
);
1148 netif_set_real_num_rx_queues(dev
, priv
->rx_ring_num
);
1150 mlx4_en_setup_tc(dev
, MLX4_EN_NUM_UP
);
1152 en_warn(priv
, "Using %d TX rings\n", priv
->tx_ring_num
);
1153 en_warn(priv
, "Using %d RX rings\n", priv
->rx_ring_num
);
1156 err
= mlx4_en_start_port(dev
);
1158 en_err(priv
, "Failed starting port\n");
1161 err
= mlx4_en_moderation_update(priv
);
1164 mutex_unlock(&mdev
->state_lock
);
1168 static int mlx4_en_get_ts_info(struct net_device
*dev
,
1169 struct ethtool_ts_info
*info
)
1171 struct mlx4_en_priv
*priv
= netdev_priv(dev
);
1172 struct mlx4_en_dev
*mdev
= priv
->mdev
;
1175 ret
= ethtool_op_get_ts_info(dev
, info
);
1179 if (mdev
->dev
->caps
.flags2
& MLX4_DEV_CAP_FLAG2_TS
) {
1180 info
->so_timestamping
|=
1181 SOF_TIMESTAMPING_TX_HARDWARE
|
1182 SOF_TIMESTAMPING_RX_HARDWARE
|
1183 SOF_TIMESTAMPING_RAW_HARDWARE
;
1186 (1 << HWTSTAMP_TX_OFF
) |
1187 (1 << HWTSTAMP_TX_ON
);
1190 (1 << HWTSTAMP_FILTER_NONE
) |
1191 (1 << HWTSTAMP_FILTER_ALL
);
1197 const struct ethtool_ops mlx4_en_ethtool_ops
= {
1198 .get_drvinfo
= mlx4_en_get_drvinfo
,
1199 .get_settings
= mlx4_en_get_settings
,
1200 .set_settings
= mlx4_en_set_settings
,
1201 .get_link
= ethtool_op_get_link
,
1202 .get_strings
= mlx4_en_get_strings
,
1203 .get_sset_count
= mlx4_en_get_sset_count
,
1204 .get_ethtool_stats
= mlx4_en_get_ethtool_stats
,
1205 .self_test
= mlx4_en_self_test
,
1206 .get_wol
= mlx4_en_get_wol
,
1207 .set_wol
= mlx4_en_set_wol
,
1208 .get_msglevel
= mlx4_en_get_msglevel
,
1209 .set_msglevel
= mlx4_en_set_msglevel
,
1210 .get_coalesce
= mlx4_en_get_coalesce
,
1211 .set_coalesce
= mlx4_en_set_coalesce
,
1212 .get_pauseparam
= mlx4_en_get_pauseparam
,
1213 .set_pauseparam
= mlx4_en_set_pauseparam
,
1214 .get_ringparam
= mlx4_en_get_ringparam
,
1215 .set_ringparam
= mlx4_en_set_ringparam
,
1216 .get_rxnfc
= mlx4_en_get_rxnfc
,
1217 .set_rxnfc
= mlx4_en_set_rxnfc
,
1218 .get_rxfh_indir_size
= mlx4_en_get_rxfh_indir_size
,
1219 .get_rxfh_indir
= mlx4_en_get_rxfh_indir
,
1220 .set_rxfh_indir
= mlx4_en_set_rxfh_indir
,
1221 .get_channels
= mlx4_en_get_channels
,
1222 .set_channels
= mlx4_en_set_channels
,
1223 .get_ts_info
= mlx4_en_get_ts_info
,