1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
4 /* ethtool support for iavf */
7 #include <linux/uaccess.h>
9 /* ethtool statistics helpers */
12 * struct iavf_stats - definition for an ethtool statistic
13 * @stat_string: statistic name to display in ethtool -S output
14 * @sizeof_stat: the sizeof() the stat, must be no greater than sizeof(u64)
15 * @stat_offset: offsetof() the stat from a base pointer
17 * This structure defines a statistic to be added to the ethtool stats buffer.
18 * It defines a statistic as offset from a common base pointer. Stats should
19 * be defined in constant arrays using the IAVF_STAT macro, with every element
20 * of the array using the same _type for calculating the sizeof_stat and
23 * The @sizeof_stat is expected to be sizeof(u8), sizeof(u16), sizeof(u32) or
24 * sizeof(u64). Other sizes are not expected and will produce a WARN_ONCE from
25 * the iavf_add_ethtool_stat() helper function.
27 * The @stat_string is interpreted as a format string, allowing formatted
28 * values to be inserted while looping over multiple structures for a given
29 * statistics array. Thus, every statistic string in an array should have the
30 * same type and number of format specifiers, to be formatted by variadic
31 * arguments to the iavf_add_stat_string() helper function.
34 char stat_string[ETH_GSTRING_LEN];
39 /* Helper macro to define an iavf_stat structure with proper size and type.
40 * Use this when defining constant statistics arrays. Note that @_type expects
41 * only a type name and is used multiple times.
43 #define IAVF_STAT(_type, _name, _stat) { \
44 .stat_string = _name, \
45 .sizeof_stat = sizeof_field(_type, _stat), \
46 .stat_offset = offsetof(_type, _stat) \
49 /* Helper macro for defining some statistics related to queues */
50 #define IAVF_QUEUE_STAT(_name, _stat) \
51 IAVF_STAT(struct iavf_ring, _name, _stat)
53 /* Stats associated with a Tx or Rx ring */
54 static const struct iavf_stats iavf_gstrings_queue_stats[] = {
55 IAVF_QUEUE_STAT("%s-%u.packets", stats.packets),
56 IAVF_QUEUE_STAT("%s-%u.bytes", stats.bytes),
60 * iavf_add_one_ethtool_stat - copy the stat into the supplied buffer
61 * @data: location to store the stat value
62 * @pointer: basis for where to copy from
63 * @stat: the stat definition
65 * Copies the stat data defined by the pointer and stat structure pair into
66 * the memory supplied as data. Used to implement iavf_add_ethtool_stats and
67 * iavf_add_queue_stats. If the pointer is null, data will be zero'd.
70 iavf_add_one_ethtool_stat(u64 *data, void *pointer,
71 const struct iavf_stats *stat)
76 /* ensure that the ethtool data buffer is zero'd for any stats
77 * which don't have a valid pointer.
83 p = (char *)pointer + stat->stat_offset;
84 switch (stat->sizeof_stat) {
98 WARN_ONCE(1, "unexpected stat size for %s",
105 * __iavf_add_ethtool_stats - copy stats into the ethtool supplied buffer
106 * @data: ethtool stats buffer
107 * @pointer: location to copy stats from
108 * @stats: array of stats to copy
109 * @size: the size of the stats definition
111 * Copy the stats defined by the stats array using the pointer as a base into
112 * the data buffer supplied by ethtool. Updates the data pointer to point to
113 * the next empty location for successive calls to __iavf_add_ethtool_stats.
114 * If pointer is null, set the data values to zero and update the pointer to
118 __iavf_add_ethtool_stats(u64 **data, void *pointer,
119 const struct iavf_stats stats[],
120 const unsigned int size)
124 for (i = 0; i < size; i++)
125 iavf_add_one_ethtool_stat((*data)++, pointer, &stats[i]);
129 * iavf_add_ethtool_stats - copy stats into ethtool supplied buffer
130 * @data: ethtool stats buffer
131 * @pointer: location where stats are stored
132 * @stats: static const array of stat definitions
134 * Macro to ease the use of __iavf_add_ethtool_stats by taking a static
135 * constant stats array and passing the ARRAY_SIZE(). This avoids typos by
136 * ensuring that we pass the size associated with the given stats array.
138 * The parameter @stats is evaluated twice, so parameters with side effects
141 #define iavf_add_ethtool_stats(data, pointer, stats) \
142 __iavf_add_ethtool_stats(data, pointer, stats, ARRAY_SIZE(stats))
145 * iavf_add_queue_stats - copy queue statistics into supplied buffer
146 * @data: ethtool stats buffer
147 * @ring: the ring to copy
149 * Queue statistics must be copied while protected by
150 * u64_stats_fetch_begin_irq, so we can't directly use iavf_add_ethtool_stats.
151 * Assumes that queue stats are defined in iavf_gstrings_queue_stats. If the
152 * ring pointer is null, zero out the queue stat values and update the data
153 * pointer. Otherwise safely copy the stats from the ring into the supplied
154 * buffer and update the data pointer when finished.
156 * This function expects to be called while under rcu_read_lock().
159 iavf_add_queue_stats(u64 **data, struct iavf_ring *ring)
161 const unsigned int size = ARRAY_SIZE(iavf_gstrings_queue_stats);
162 const struct iavf_stats *stats = iavf_gstrings_queue_stats;
166 /* To avoid invalid statistics values, ensure that we keep retrying
167 * the copy until we get a consistent value according to
168 * u64_stats_fetch_retry_irq. But first, make sure our ring is
169 * non-null before attempting to access its syncp.
172 start = !ring ? 0 : u64_stats_fetch_begin_irq(&ring->syncp);
173 for (i = 0; i < size; i++)
174 iavf_add_one_ethtool_stat(&(*data)[i], ring, &stats[i]);
175 } while (ring && u64_stats_fetch_retry_irq(&ring->syncp, start));
177 /* Once we successfully copy the stats in, update the data pointer */
182 * __iavf_add_stat_strings - copy stat strings into ethtool buffer
183 * @p: ethtool supplied buffer
184 * @stats: stat definitions array
185 * @size: size of the stats array
187 * Format and copy the strings described by stats into the buffer pointed at
190 static void __iavf_add_stat_strings(u8 **p, const struct iavf_stats stats[],
191 const unsigned int size, ...)
195 for (i = 0; i < size; i++) {
198 va_start(args, size);
199 vsnprintf(*p, ETH_GSTRING_LEN, stats[i].stat_string, args);
200 *p += ETH_GSTRING_LEN;
206 * iavf_add_stat_strings - copy stat strings into ethtool buffer
207 * @p: ethtool supplied buffer
208 * @stats: stat definitions array
210 * Format and copy the strings described by the const static stats value into
211 * the buffer pointed at by p.
213 * The parameter @stats is evaluated twice, so parameters with side effects
214 * should be avoided. Additionally, stats must be an array such that
215 * ARRAY_SIZE can be called on it.
217 #define iavf_add_stat_strings(p, stats, ...) \
218 __iavf_add_stat_strings(p, stats, ARRAY_SIZE(stats), ## __VA_ARGS__)
220 #define VF_STAT(_name, _stat) \
221 IAVF_STAT(struct iavf_adapter, _name, _stat)
223 static const struct iavf_stats iavf_gstrings_stats[] = {
224 VF_STAT("rx_bytes", current_stats.rx_bytes),
225 VF_STAT("rx_unicast", current_stats.rx_unicast),
226 VF_STAT("rx_multicast", current_stats.rx_multicast),
227 VF_STAT("rx_broadcast", current_stats.rx_broadcast),
228 VF_STAT("rx_discards", current_stats.rx_discards),
229 VF_STAT("rx_unknown_protocol", current_stats.rx_unknown_protocol),
230 VF_STAT("tx_bytes", current_stats.tx_bytes),
231 VF_STAT("tx_unicast", current_stats.tx_unicast),
232 VF_STAT("tx_multicast", current_stats.tx_multicast),
233 VF_STAT("tx_broadcast", current_stats.tx_broadcast),
234 VF_STAT("tx_discards", current_stats.tx_discards),
235 VF_STAT("tx_errors", current_stats.tx_errors),
238 #define IAVF_STATS_LEN ARRAY_SIZE(iavf_gstrings_stats)
240 #define IAVF_QUEUE_STATS_LEN ARRAY_SIZE(iavf_gstrings_queue_stats)
242 /* For now we have one and only one private flag and it is only defined
243 * when we have support for the SKIP_CPU_SYNC DMA attribute. Instead
244 * of leaving all this code sitting around empty we will strip it unless
245 * our one private flag is actually available.
247 struct iavf_priv_flags {
248 char flag_string[ETH_GSTRING_LEN];
253 #define IAVF_PRIV_FLAG(_name, _flag, _read_only) { \
254 .flag_string = _name, \
256 .read_only = _read_only, \
259 static const struct iavf_priv_flags iavf_gstrings_priv_flags[] = {
260 IAVF_PRIV_FLAG("legacy-rx", IAVF_FLAG_LEGACY_RX, 0),
263 #define IAVF_PRIV_FLAGS_STR_LEN ARRAY_SIZE(iavf_gstrings_priv_flags)
266 * iavf_get_link_ksettings - Get Link Speed and Duplex settings
267 * @netdev: network interface device structure
268 * @cmd: ethtool command
270 * Reports speed/duplex settings. Because this is a VF, we don't know what
271 * kind of link we really have, so we fake it.
273 static int iavf_get_link_ksettings(struct net_device *netdev,
274 struct ethtool_link_ksettings *cmd)
276 struct iavf_adapter *adapter = netdev_priv(netdev);
278 ethtool_link_ksettings_zero_link_mode(cmd, supported);
279 cmd->base.autoneg = AUTONEG_DISABLE;
280 cmd->base.port = PORT_NONE;
281 cmd->base.duplex = DUPLEX_FULL;
283 if (ADV_LINK_SUPPORT(adapter)) {
284 if (adapter->link_speed_mbps &&
285 adapter->link_speed_mbps < U32_MAX)
286 cmd->base.speed = adapter->link_speed_mbps;
288 cmd->base.speed = SPEED_UNKNOWN;
293 switch (adapter->link_speed) {
294 case VIRTCHNL_LINK_SPEED_40GB:
295 cmd->base.speed = SPEED_40000;
297 case VIRTCHNL_LINK_SPEED_25GB:
298 cmd->base.speed = SPEED_25000;
300 case VIRTCHNL_LINK_SPEED_20GB:
301 cmd->base.speed = SPEED_20000;
303 case VIRTCHNL_LINK_SPEED_10GB:
304 cmd->base.speed = SPEED_10000;
306 case VIRTCHNL_LINK_SPEED_5GB:
307 cmd->base.speed = SPEED_5000;
309 case VIRTCHNL_LINK_SPEED_2_5GB:
310 cmd->base.speed = SPEED_2500;
312 case VIRTCHNL_LINK_SPEED_1GB:
313 cmd->base.speed = SPEED_1000;
315 case VIRTCHNL_LINK_SPEED_100MB:
316 cmd->base.speed = SPEED_100;
326 * iavf_get_sset_count - Get length of string set
327 * @netdev: network interface device structure
328 * @sset: id of string set
330 * Reports size of various string tables.
332 static int iavf_get_sset_count(struct net_device *netdev, int sset)
334 /* Report the maximum number queues, even if not every queue is
335 * currently configured. Since allocation of queues is in pairs,
336 * use netdev->real_num_tx_queues * 2. The real_num_tx_queues is set
337 * at device creation and never changes.
340 if (sset == ETH_SS_STATS)
341 return IAVF_STATS_LEN +
342 (IAVF_QUEUE_STATS_LEN * 2 *
343 netdev->real_num_tx_queues);
344 else if (sset == ETH_SS_PRIV_FLAGS)
345 return IAVF_PRIV_FLAGS_STR_LEN;
351 * iavf_get_ethtool_stats - report device statistics
352 * @netdev: network interface device structure
353 * @stats: ethtool statistics structure
354 * @data: pointer to data buffer
356 * All statistics are added to the data buffer as an array of u64.
358 static void iavf_get_ethtool_stats(struct net_device *netdev,
359 struct ethtool_stats *stats, u64 *data)
361 struct iavf_adapter *adapter = netdev_priv(netdev);
364 /* Explicitly request stats refresh */
365 iavf_schedule_request_stats(adapter);
367 iavf_add_ethtool_stats(&data, adapter, iavf_gstrings_stats);
370 /* As num_active_queues describe both tx and rx queues, we can use
371 * it to iterate over rings' stats.
373 for (i = 0; i < adapter->num_active_queues; i++) {
374 struct iavf_ring *ring;
377 ring = &adapter->tx_rings[i];
378 iavf_add_queue_stats(&data, ring);
381 ring = &adapter->rx_rings[i];
382 iavf_add_queue_stats(&data, ring);
388 * iavf_get_priv_flag_strings - Get private flag strings
389 * @netdev: network interface device structure
390 * @data: buffer for string data
392 * Builds the private flags string table
394 static void iavf_get_priv_flag_strings(struct net_device *netdev, u8 *data)
398 for (i = 0; i < IAVF_PRIV_FLAGS_STR_LEN; i++) {
399 snprintf(data, ETH_GSTRING_LEN, "%s",
400 iavf_gstrings_priv_flags[i].flag_string);
401 data += ETH_GSTRING_LEN;
406 * iavf_get_stat_strings - Get stat strings
407 * @netdev: network interface device structure
408 * @data: buffer for string data
410 * Builds the statistics string table
412 static void iavf_get_stat_strings(struct net_device *netdev, u8 *data)
416 iavf_add_stat_strings(&data, iavf_gstrings_stats);
418 /* Queues are always allocated in pairs, so we just use
419 * real_num_tx_queues for both Tx and Rx queues.
421 for (i = 0; i < netdev->real_num_tx_queues; i++) {
422 iavf_add_stat_strings(&data, iavf_gstrings_queue_stats,
424 iavf_add_stat_strings(&data, iavf_gstrings_queue_stats,
430 * iavf_get_strings - Get string set
431 * @netdev: network interface device structure
432 * @sset: id of string set
433 * @data: buffer for string data
435 * Builds string tables for various string sets
437 static void iavf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
441 iavf_get_stat_strings(netdev, data);
443 case ETH_SS_PRIV_FLAGS:
444 iavf_get_priv_flag_strings(netdev, data);
452 * iavf_get_priv_flags - report device private flags
453 * @netdev: network interface device structure
455 * The get string set count and the string set should be matched for each
456 * flag returned. Add new strings for each flag to the iavf_gstrings_priv_flags
459 * Returns a u32 bitmap of flags.
461 static u32 iavf_get_priv_flags(struct net_device *netdev)
463 struct iavf_adapter *adapter = netdev_priv(netdev);
464 u32 i, ret_flags = 0;
466 for (i = 0; i < IAVF_PRIV_FLAGS_STR_LEN; i++) {
467 const struct iavf_priv_flags *priv_flags;
469 priv_flags = &iavf_gstrings_priv_flags[i];
471 if (priv_flags->flag & adapter->flags)
479 * iavf_set_priv_flags - set private flags
480 * @netdev: network interface device structure
481 * @flags: bit flags to be set
483 static int iavf_set_priv_flags(struct net_device *netdev, u32 flags)
485 struct iavf_adapter *adapter = netdev_priv(netdev);
486 u32 orig_flags, new_flags, changed_flags;
489 orig_flags = READ_ONCE(adapter->flags);
490 new_flags = orig_flags;
492 for (i = 0; i < IAVF_PRIV_FLAGS_STR_LEN; i++) {
493 const struct iavf_priv_flags *priv_flags;
495 priv_flags = &iavf_gstrings_priv_flags[i];
498 new_flags |= priv_flags->flag;
500 new_flags &= ~(priv_flags->flag);
502 if (priv_flags->read_only &&
503 ((orig_flags ^ new_flags) & ~BIT(i)))
507 /* Before we finalize any flag changes, any checks which we need to
508 * perform to determine if the new flags will be supported should go
512 /* Compare and exchange the new flags into place. If we failed, that
513 * is if cmpxchg returns anything but the old value, this means
514 * something else must have modified the flags variable since we
515 * copied it. We'll just punt with an error and log something in the
518 if (cmpxchg(&adapter->flags, orig_flags, new_flags) != orig_flags) {
519 dev_warn(&adapter->pdev->dev,
520 "Unable to update adapter->flags as it was modified by another thread...\n");
524 changed_flags = orig_flags ^ new_flags;
526 /* Process any additional changes needed as a result of flag changes.
527 * The changed_flags value reflects the list of bits that were changed
531 /* issue a reset to force legacy-rx change to take effect */
532 if (changed_flags & IAVF_FLAG_LEGACY_RX) {
533 if (netif_running(netdev)) {
534 adapter->flags |= IAVF_FLAG_RESET_NEEDED;
535 queue_work(iavf_wq, &adapter->reset_task);
543 * iavf_get_msglevel - Get debug message level
544 * @netdev: network interface device structure
546 * Returns current debug message level.
548 static u32 iavf_get_msglevel(struct net_device *netdev)
550 struct iavf_adapter *adapter = netdev_priv(netdev);
552 return adapter->msg_enable;
556 * iavf_set_msglevel - Set debug message level
557 * @netdev: network interface device structure
558 * @data: message level
560 * Set current debug message level. Higher values cause the driver to
563 static void iavf_set_msglevel(struct net_device *netdev, u32 data)
565 struct iavf_adapter *adapter = netdev_priv(netdev);
567 if (IAVF_DEBUG_USER & data)
568 adapter->hw.debug_mask = data;
569 adapter->msg_enable = data;
573 * iavf_get_drvinfo - Get driver info
574 * @netdev: network interface device structure
575 * @drvinfo: ethool driver info structure
577 * Returns information about the driver and device for display to the user.
579 static void iavf_get_drvinfo(struct net_device *netdev,
580 struct ethtool_drvinfo *drvinfo)
582 struct iavf_adapter *adapter = netdev_priv(netdev);
584 strlcpy(drvinfo->driver, iavf_driver_name, 32);
585 strlcpy(drvinfo->fw_version, "N/A", 4);
586 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
587 drvinfo->n_priv_flags = IAVF_PRIV_FLAGS_STR_LEN;
591 * iavf_get_ringparam - Get ring parameters
592 * @netdev: network interface device structure
593 * @ring: ethtool ringparam structure
594 * @kernel_ring: ethtool extenal ringparam structure
595 * @extack: netlink extended ACK report struct
597 * Returns current ring parameters. TX and RX rings are reported separately,
598 * but the number of rings is not reported.
600 static void iavf_get_ringparam(struct net_device *netdev,
601 struct ethtool_ringparam *ring,
602 struct kernel_ethtool_ringparam *kernel_ring,
603 struct netlink_ext_ack *extack)
605 struct iavf_adapter *adapter = netdev_priv(netdev);
607 ring->rx_max_pending = IAVF_MAX_RXD;
608 ring->tx_max_pending = IAVF_MAX_TXD;
609 ring->rx_pending = adapter->rx_desc_count;
610 ring->tx_pending = adapter->tx_desc_count;
614 * iavf_set_ringparam - Set ring parameters
615 * @netdev: network interface device structure
616 * @ring: ethtool ringparam structure
617 * @kernel_ring: ethtool external ringparam structure
618 * @extack: netlink extended ACK report struct
620 * Sets ring parameters. TX and RX rings are controlled separately, but the
621 * number of rings is not specified, so all rings get the same settings.
623 static int iavf_set_ringparam(struct net_device *netdev,
624 struct ethtool_ringparam *ring,
625 struct kernel_ethtool_ringparam *kernel_ring,
626 struct netlink_ext_ack *extack)
628 struct iavf_adapter *adapter = netdev_priv(netdev);
629 u32 new_rx_count, new_tx_count;
631 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
634 if (ring->tx_pending > IAVF_MAX_TXD ||
635 ring->tx_pending < IAVF_MIN_TXD ||
636 ring->rx_pending > IAVF_MAX_RXD ||
637 ring->rx_pending < IAVF_MIN_RXD) {
638 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
639 ring->tx_pending, ring->rx_pending, IAVF_MIN_TXD,
640 IAVF_MAX_RXD, IAVF_REQ_DESCRIPTOR_MULTIPLE);
644 new_tx_count = ALIGN(ring->tx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE);
645 if (new_tx_count != ring->tx_pending)
646 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
649 new_rx_count = ALIGN(ring->rx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE);
650 if (new_rx_count != ring->rx_pending)
651 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
654 /* if nothing to do return success */
655 if ((new_tx_count == adapter->tx_desc_count) &&
656 (new_rx_count == adapter->rx_desc_count)) {
657 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
661 if (new_tx_count != adapter->tx_desc_count) {
662 netdev_dbg(netdev, "Changing Tx descriptor count from %d to %d\n",
663 adapter->tx_desc_count, new_tx_count);
664 adapter->tx_desc_count = new_tx_count;
667 if (new_rx_count != adapter->rx_desc_count) {
668 netdev_dbg(netdev, "Changing Rx descriptor count from %d to %d\n",
669 adapter->rx_desc_count, new_rx_count);
670 adapter->rx_desc_count = new_rx_count;
673 if (netif_running(netdev)) {
674 adapter->flags |= IAVF_FLAG_RESET_NEEDED;
675 queue_work(iavf_wq, &adapter->reset_task);
682 * __iavf_get_coalesce - get per-queue coalesce settings
683 * @netdev: the netdev to check
684 * @ec: ethtool coalesce data structure
685 * @queue: which queue to pick
687 * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
688 * are per queue. If queue is <0 then we default to queue 0 as the
689 * representative value.
691 static int __iavf_get_coalesce(struct net_device *netdev,
692 struct ethtool_coalesce *ec, int queue)
694 struct iavf_adapter *adapter = netdev_priv(netdev);
695 struct iavf_vsi *vsi = &adapter->vsi;
696 struct iavf_ring *rx_ring, *tx_ring;
698 ec->tx_max_coalesced_frames = vsi->work_limit;
699 ec->rx_max_coalesced_frames = vsi->work_limit;
701 /* Rx and Tx usecs per queue value. If user doesn't specify the
702 * queue, return queue 0's value to represent.
706 else if (queue >= adapter->num_active_queues)
709 rx_ring = &adapter->rx_rings[queue];
710 tx_ring = &adapter->tx_rings[queue];
712 if (ITR_IS_DYNAMIC(rx_ring->itr_setting))
713 ec->use_adaptive_rx_coalesce = 1;
715 if (ITR_IS_DYNAMIC(tx_ring->itr_setting))
716 ec->use_adaptive_tx_coalesce = 1;
718 ec->rx_coalesce_usecs = rx_ring->itr_setting & ~IAVF_ITR_DYNAMIC;
719 ec->tx_coalesce_usecs = tx_ring->itr_setting & ~IAVF_ITR_DYNAMIC;
725 * iavf_get_coalesce - Get interrupt coalescing settings
726 * @netdev: network interface device structure
727 * @ec: ethtool coalesce structure
728 * @kernel_coal: ethtool CQE mode setting structure
729 * @extack: extack for reporting error messages
731 * Returns current coalescing settings. This is referred to elsewhere in the
732 * driver as Interrupt Throttle Rate, as this is how the hardware describes
733 * this functionality. Note that if per-queue settings have been modified this
734 * only represents the settings of queue 0.
736 static int iavf_get_coalesce(struct net_device *netdev,
737 struct ethtool_coalesce *ec,
738 struct kernel_ethtool_coalesce *kernel_coal,
739 struct netlink_ext_ack *extack)
741 return __iavf_get_coalesce(netdev, ec, -1);
745 * iavf_get_per_queue_coalesce - get coalesce values for specific queue
746 * @netdev: netdev to read
747 * @ec: coalesce settings from ethtool
748 * @queue: the queue to read
750 * Read specific queue's coalesce settings.
752 static int iavf_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
753 struct ethtool_coalesce *ec)
755 return __iavf_get_coalesce(netdev, ec, queue);
759 * iavf_set_itr_per_queue - set ITR values for specific queue
760 * @adapter: the VF adapter struct to set values for
761 * @ec: coalesce settings from ethtool
762 * @queue: the queue to modify
764 * Change the ITR settings for a specific queue.
766 static int iavf_set_itr_per_queue(struct iavf_adapter *adapter,
767 struct ethtool_coalesce *ec, int queue)
769 struct iavf_ring *rx_ring = &adapter->rx_rings[queue];
770 struct iavf_ring *tx_ring = &adapter->tx_rings[queue];
771 struct iavf_q_vector *q_vector;
774 itr_setting = rx_ring->itr_setting & ~IAVF_ITR_DYNAMIC;
776 if (ec->rx_coalesce_usecs != itr_setting &&
777 ec->use_adaptive_rx_coalesce) {
778 netif_info(adapter, drv, adapter->netdev,
779 "Rx interrupt throttling cannot be changed if adaptive-rx is enabled\n");
783 itr_setting = tx_ring->itr_setting & ~IAVF_ITR_DYNAMIC;
785 if (ec->tx_coalesce_usecs != itr_setting &&
786 ec->use_adaptive_tx_coalesce) {
787 netif_info(adapter, drv, adapter->netdev,
788 "Tx interrupt throttling cannot be changed if adaptive-tx is enabled\n");
792 rx_ring->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs);
793 tx_ring->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs);
795 rx_ring->itr_setting |= IAVF_ITR_DYNAMIC;
796 if (!ec->use_adaptive_rx_coalesce)
797 rx_ring->itr_setting ^= IAVF_ITR_DYNAMIC;
799 tx_ring->itr_setting |= IAVF_ITR_DYNAMIC;
800 if (!ec->use_adaptive_tx_coalesce)
801 tx_ring->itr_setting ^= IAVF_ITR_DYNAMIC;
803 q_vector = rx_ring->q_vector;
804 q_vector->rx.target_itr = ITR_TO_REG(rx_ring->itr_setting);
806 q_vector = tx_ring->q_vector;
807 q_vector->tx.target_itr = ITR_TO_REG(tx_ring->itr_setting);
809 /* The interrupt handler itself will take care of programming
810 * the Tx and Rx ITR values based on the values we have entered
811 * into the q_vector, no need to write the values now.
817 * __iavf_set_coalesce - set coalesce settings for particular queue
818 * @netdev: the netdev to change
819 * @ec: ethtool coalesce settings
820 * @queue: the queue to change
822 * Sets the coalesce settings for a particular queue.
824 static int __iavf_set_coalesce(struct net_device *netdev,
825 struct ethtool_coalesce *ec, int queue)
827 struct iavf_adapter *adapter = netdev_priv(netdev);
828 struct iavf_vsi *vsi = &adapter->vsi;
831 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
832 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
834 if (ec->rx_coalesce_usecs == 0) {
835 if (ec->use_adaptive_rx_coalesce)
836 netif_info(adapter, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
837 } else if ((ec->rx_coalesce_usecs < IAVF_MIN_ITR) ||
838 (ec->rx_coalesce_usecs > IAVF_MAX_ITR)) {
839 netif_info(adapter, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
841 } else if (ec->tx_coalesce_usecs == 0) {
842 if (ec->use_adaptive_tx_coalesce)
843 netif_info(adapter, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
844 } else if ((ec->tx_coalesce_usecs < IAVF_MIN_ITR) ||
845 (ec->tx_coalesce_usecs > IAVF_MAX_ITR)) {
846 netif_info(adapter, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
850 /* Rx and Tx usecs has per queue value. If user doesn't specify the
851 * queue, apply to all queues.
854 for (i = 0; i < adapter->num_active_queues; i++)
855 if (iavf_set_itr_per_queue(adapter, ec, i))
857 } else if (queue < adapter->num_active_queues) {
858 if (iavf_set_itr_per_queue(adapter, ec, queue))
861 netif_info(adapter, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
862 adapter->num_active_queues - 1);
870 * iavf_set_coalesce - Set interrupt coalescing settings
871 * @netdev: network interface device structure
872 * @ec: ethtool coalesce structure
873 * @kernel_coal: ethtool CQE mode setting structure
874 * @extack: extack for reporting error messages
876 * Change current coalescing settings for every queue.
878 static int iavf_set_coalesce(struct net_device *netdev,
879 struct ethtool_coalesce *ec,
880 struct kernel_ethtool_coalesce *kernel_coal,
881 struct netlink_ext_ack *extack)
883 return __iavf_set_coalesce(netdev, ec, -1);
887 * iavf_set_per_queue_coalesce - set specific queue's coalesce settings
888 * @netdev: the netdev to change
889 * @ec: ethtool's coalesce settings
890 * @queue: the queue to modify
892 * Modifies a specific queue's coalesce settings.
894 static int iavf_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
895 struct ethtool_coalesce *ec)
897 return __iavf_set_coalesce(netdev, ec, queue);
901 * iavf_fltr_to_ethtool_flow - convert filter type values to ethtool
903 * @flow: filter type to be converted
905 * Returns the corresponding ethtool flow type.
907 static int iavf_fltr_to_ethtool_flow(enum iavf_fdir_flow_type flow)
910 case IAVF_FDIR_FLOW_IPV4_TCP:
912 case IAVF_FDIR_FLOW_IPV4_UDP:
914 case IAVF_FDIR_FLOW_IPV4_SCTP:
916 case IAVF_FDIR_FLOW_IPV4_AH:
918 case IAVF_FDIR_FLOW_IPV4_ESP:
920 case IAVF_FDIR_FLOW_IPV4_OTHER:
921 return IPV4_USER_FLOW;
922 case IAVF_FDIR_FLOW_IPV6_TCP:
924 case IAVF_FDIR_FLOW_IPV6_UDP:
926 case IAVF_FDIR_FLOW_IPV6_SCTP:
928 case IAVF_FDIR_FLOW_IPV6_AH:
930 case IAVF_FDIR_FLOW_IPV6_ESP:
932 case IAVF_FDIR_FLOW_IPV6_OTHER:
933 return IPV6_USER_FLOW;
934 case IAVF_FDIR_FLOW_NON_IP_L2:
937 /* 0 is undefined ethtool flow */
943 * iavf_ethtool_flow_to_fltr - convert ethtool flow type to filter enum
944 * @eth: Ethtool flow type to be converted
948 static enum iavf_fdir_flow_type iavf_ethtool_flow_to_fltr(int eth)
952 return IAVF_FDIR_FLOW_IPV4_TCP;
954 return IAVF_FDIR_FLOW_IPV4_UDP;
956 return IAVF_FDIR_FLOW_IPV4_SCTP;
958 return IAVF_FDIR_FLOW_IPV4_AH;
960 return IAVF_FDIR_FLOW_IPV4_ESP;
962 return IAVF_FDIR_FLOW_IPV4_OTHER;
964 return IAVF_FDIR_FLOW_IPV6_TCP;
966 return IAVF_FDIR_FLOW_IPV6_UDP;
968 return IAVF_FDIR_FLOW_IPV6_SCTP;
970 return IAVF_FDIR_FLOW_IPV6_AH;
972 return IAVF_FDIR_FLOW_IPV6_ESP;
974 return IAVF_FDIR_FLOW_IPV6_OTHER;
976 return IAVF_FDIR_FLOW_NON_IP_L2;
978 return IAVF_FDIR_FLOW_NONE;
983 * iavf_is_mask_valid - check mask field set
984 * @mask: full mask to check
985 * @field: field for which mask should be valid
987 * If the mask is fully set return true. If it is not valid for field return
990 static bool iavf_is_mask_valid(u64 mask, u64 field)
992 return (mask & field) == field;
996 * iavf_parse_rx_flow_user_data - deconstruct user-defined data
997 * @fsp: pointer to ethtool Rx flow specification
998 * @fltr: pointer to Flow Director filter for userdef data storage
1000 * Returns 0 on success, negative error value on failure
1003 iavf_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
1004 struct iavf_fdir_fltr *fltr)
1006 struct iavf_flex_word *flex;
1009 if (!(fsp->flow_type & FLOW_EXT))
1012 for (i = 0; i < IAVF_FLEX_WORD_NUM; i++) {
1013 #define IAVF_USERDEF_FLEX_WORD_M GENMASK(15, 0)
1014 #define IAVF_USERDEF_FLEX_OFFS_S 16
1015 #define IAVF_USERDEF_FLEX_OFFS_M GENMASK(31, IAVF_USERDEF_FLEX_OFFS_S)
1016 #define IAVF_USERDEF_FLEX_FLTR_M GENMASK(31, 0)
1017 u32 value = be32_to_cpu(fsp->h_ext.data[i]);
1018 u32 mask = be32_to_cpu(fsp->m_ext.data[i]);
1020 if (!value || !mask)
1023 if (!iavf_is_mask_valid(mask, IAVF_USERDEF_FLEX_FLTR_M))
1026 /* 504 is the maximum value for offsets, and offset is measured
1027 * from the start of the MAC address.
1029 #define IAVF_USERDEF_FLEX_MAX_OFFS_VAL 504
1030 flex = &fltr->flex_words[cnt++];
1031 flex->word = value & IAVF_USERDEF_FLEX_WORD_M;
1032 flex->offset = (value & IAVF_USERDEF_FLEX_OFFS_M) >>
1033 IAVF_USERDEF_FLEX_OFFS_S;
1034 if (flex->offset > IAVF_USERDEF_FLEX_MAX_OFFS_VAL)
1038 fltr->flex_cnt = cnt;
1044 * iavf_fill_rx_flow_ext_data - fill the additional data
1045 * @fsp: pointer to ethtool Rx flow specification
1046 * @fltr: pointer to Flow Director filter to get additional data
1049 iavf_fill_rx_flow_ext_data(struct ethtool_rx_flow_spec *fsp,
1050 struct iavf_fdir_fltr *fltr)
1052 if (!fltr->ext_mask.usr_def[0] && !fltr->ext_mask.usr_def[1])
1055 fsp->flow_type |= FLOW_EXT;
1057 memcpy(fsp->h_ext.data, fltr->ext_data.usr_def, sizeof(fsp->h_ext.data));
1058 memcpy(fsp->m_ext.data, fltr->ext_mask.usr_def, sizeof(fsp->m_ext.data));
1062 * iavf_get_ethtool_fdir_entry - fill ethtool structure with Flow Director filter data
1063 * @adapter: the VF adapter structure that contains filter list
1064 * @cmd: ethtool command data structure to receive the filter data
1066 * Returns 0 as expected for success by ethtool
1069 iavf_get_ethtool_fdir_entry(struct iavf_adapter *adapter,
1070 struct ethtool_rxnfc *cmd)
1072 struct ethtool_rx_flow_spec *fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
1073 struct iavf_fdir_fltr *rule = NULL;
1076 if (!FDIR_FLTR_SUPPORT(adapter))
1079 spin_lock_bh(&adapter->fdir_fltr_lock);
1081 rule = iavf_find_fdir_fltr_by_loc(adapter, fsp->location);
1087 fsp->flow_type = iavf_fltr_to_ethtool_flow(rule->flow_type);
1089 memset(&fsp->m_u, 0, sizeof(fsp->m_u));
1090 memset(&fsp->m_ext, 0, sizeof(fsp->m_ext));
1092 switch (fsp->flow_type) {
1096 fsp->h_u.tcp_ip4_spec.ip4src = rule->ip_data.v4_addrs.src_ip;
1097 fsp->h_u.tcp_ip4_spec.ip4dst = rule->ip_data.v4_addrs.dst_ip;
1098 fsp->h_u.tcp_ip4_spec.psrc = rule->ip_data.src_port;
1099 fsp->h_u.tcp_ip4_spec.pdst = rule->ip_data.dst_port;
1100 fsp->h_u.tcp_ip4_spec.tos = rule->ip_data.tos;
1101 fsp->m_u.tcp_ip4_spec.ip4src = rule->ip_mask.v4_addrs.src_ip;
1102 fsp->m_u.tcp_ip4_spec.ip4dst = rule->ip_mask.v4_addrs.dst_ip;
1103 fsp->m_u.tcp_ip4_spec.psrc = rule->ip_mask.src_port;
1104 fsp->m_u.tcp_ip4_spec.pdst = rule->ip_mask.dst_port;
1105 fsp->m_u.tcp_ip4_spec.tos = rule->ip_mask.tos;
1109 fsp->h_u.ah_ip4_spec.ip4src = rule->ip_data.v4_addrs.src_ip;
1110 fsp->h_u.ah_ip4_spec.ip4dst = rule->ip_data.v4_addrs.dst_ip;
1111 fsp->h_u.ah_ip4_spec.spi = rule->ip_data.spi;
1112 fsp->h_u.ah_ip4_spec.tos = rule->ip_data.tos;
1113 fsp->m_u.ah_ip4_spec.ip4src = rule->ip_mask.v4_addrs.src_ip;
1114 fsp->m_u.ah_ip4_spec.ip4dst = rule->ip_mask.v4_addrs.dst_ip;
1115 fsp->m_u.ah_ip4_spec.spi = rule->ip_mask.spi;
1116 fsp->m_u.ah_ip4_spec.tos = rule->ip_mask.tos;
1118 case IPV4_USER_FLOW:
1119 fsp->h_u.usr_ip4_spec.ip4src = rule->ip_data.v4_addrs.src_ip;
1120 fsp->h_u.usr_ip4_spec.ip4dst = rule->ip_data.v4_addrs.dst_ip;
1121 fsp->h_u.usr_ip4_spec.l4_4_bytes = rule->ip_data.l4_header;
1122 fsp->h_u.usr_ip4_spec.tos = rule->ip_data.tos;
1123 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
1124 fsp->h_u.usr_ip4_spec.proto = rule->ip_data.proto;
1125 fsp->m_u.usr_ip4_spec.ip4src = rule->ip_mask.v4_addrs.src_ip;
1126 fsp->m_u.usr_ip4_spec.ip4dst = rule->ip_mask.v4_addrs.dst_ip;
1127 fsp->m_u.usr_ip4_spec.l4_4_bytes = rule->ip_mask.l4_header;
1128 fsp->m_u.usr_ip4_spec.tos = rule->ip_mask.tos;
1129 fsp->m_u.usr_ip4_spec.ip_ver = 0xFF;
1130 fsp->m_u.usr_ip4_spec.proto = rule->ip_mask.proto;
1135 memcpy(fsp->h_u.usr_ip6_spec.ip6src, &rule->ip_data.v6_addrs.src_ip,
1136 sizeof(struct in6_addr));
1137 memcpy(fsp->h_u.usr_ip6_spec.ip6dst, &rule->ip_data.v6_addrs.dst_ip,
1138 sizeof(struct in6_addr));
1139 fsp->h_u.tcp_ip6_spec.psrc = rule->ip_data.src_port;
1140 fsp->h_u.tcp_ip6_spec.pdst = rule->ip_data.dst_port;
1141 fsp->h_u.tcp_ip6_spec.tclass = rule->ip_data.tclass;
1142 memcpy(fsp->m_u.usr_ip6_spec.ip6src, &rule->ip_mask.v6_addrs.src_ip,
1143 sizeof(struct in6_addr));
1144 memcpy(fsp->m_u.usr_ip6_spec.ip6dst, &rule->ip_mask.v6_addrs.dst_ip,
1145 sizeof(struct in6_addr));
1146 fsp->m_u.tcp_ip6_spec.psrc = rule->ip_mask.src_port;
1147 fsp->m_u.tcp_ip6_spec.pdst = rule->ip_mask.dst_port;
1148 fsp->m_u.tcp_ip6_spec.tclass = rule->ip_mask.tclass;
1152 memcpy(fsp->h_u.ah_ip6_spec.ip6src, &rule->ip_data.v6_addrs.src_ip,
1153 sizeof(struct in6_addr));
1154 memcpy(fsp->h_u.ah_ip6_spec.ip6dst, &rule->ip_data.v6_addrs.dst_ip,
1155 sizeof(struct in6_addr));
1156 fsp->h_u.ah_ip6_spec.spi = rule->ip_data.spi;
1157 fsp->h_u.ah_ip6_spec.tclass = rule->ip_data.tclass;
1158 memcpy(fsp->m_u.ah_ip6_spec.ip6src, &rule->ip_mask.v6_addrs.src_ip,
1159 sizeof(struct in6_addr));
1160 memcpy(fsp->m_u.ah_ip6_spec.ip6dst, &rule->ip_mask.v6_addrs.dst_ip,
1161 sizeof(struct in6_addr));
1162 fsp->m_u.ah_ip6_spec.spi = rule->ip_mask.spi;
1163 fsp->m_u.ah_ip6_spec.tclass = rule->ip_mask.tclass;
1165 case IPV6_USER_FLOW:
1166 memcpy(fsp->h_u.usr_ip6_spec.ip6src, &rule->ip_data.v6_addrs.src_ip,
1167 sizeof(struct in6_addr));
1168 memcpy(fsp->h_u.usr_ip6_spec.ip6dst, &rule->ip_data.v6_addrs.dst_ip,
1169 sizeof(struct in6_addr));
1170 fsp->h_u.usr_ip6_spec.l4_4_bytes = rule->ip_data.l4_header;
1171 fsp->h_u.usr_ip6_spec.tclass = rule->ip_data.tclass;
1172 fsp->h_u.usr_ip6_spec.l4_proto = rule->ip_data.proto;
1173 memcpy(fsp->m_u.usr_ip6_spec.ip6src, &rule->ip_mask.v6_addrs.src_ip,
1174 sizeof(struct in6_addr));
1175 memcpy(fsp->m_u.usr_ip6_spec.ip6dst, &rule->ip_mask.v6_addrs.dst_ip,
1176 sizeof(struct in6_addr));
1177 fsp->m_u.usr_ip6_spec.l4_4_bytes = rule->ip_mask.l4_header;
1178 fsp->m_u.usr_ip6_spec.tclass = rule->ip_mask.tclass;
1179 fsp->m_u.usr_ip6_spec.l4_proto = rule->ip_mask.proto;
1182 fsp->h_u.ether_spec.h_proto = rule->eth_data.etype;
1183 fsp->m_u.ether_spec.h_proto = rule->eth_mask.etype;
1190 iavf_fill_rx_flow_ext_data(fsp, rule);
1192 if (rule->action == VIRTCHNL_ACTION_DROP)
1193 fsp->ring_cookie = RX_CLS_FLOW_DISC;
1195 fsp->ring_cookie = rule->q_index;
1198 spin_unlock_bh(&adapter->fdir_fltr_lock);
1203 * iavf_get_fdir_fltr_ids - fill buffer with filter IDs of active filters
1204 * @adapter: the VF adapter structure containing the filter list
1205 * @cmd: ethtool command data structure
1206 * @rule_locs: ethtool array passed in from OS to receive filter IDs
1208 * Returns 0 as expected for success by ethtool
1211 iavf_get_fdir_fltr_ids(struct iavf_adapter *adapter, struct ethtool_rxnfc *cmd,
1214 struct iavf_fdir_fltr *fltr;
1215 unsigned int cnt = 0;
1218 if (!FDIR_FLTR_SUPPORT(adapter))
1221 cmd->data = IAVF_MAX_FDIR_FILTERS;
1223 spin_lock_bh(&adapter->fdir_fltr_lock);
1225 list_for_each_entry(fltr, &adapter->fdir_list_head, list) {
1226 if (cnt == cmd->rule_cnt) {
1230 rule_locs[cnt] = fltr->loc;
1235 spin_unlock_bh(&adapter->fdir_fltr_lock);
1237 cmd->rule_cnt = cnt;
1243 * iavf_add_fdir_fltr_info - Set the input set for Flow Director filter
1244 * @adapter: pointer to the VF adapter structure
1245 * @fsp: pointer to ethtool Rx flow specification
1246 * @fltr: filter structure
1249 iavf_add_fdir_fltr_info(struct iavf_adapter *adapter, struct ethtool_rx_flow_spec *fsp,
1250 struct iavf_fdir_fltr *fltr)
1252 u32 flow_type, q_index = 0;
1253 enum virtchnl_action act;
1256 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
1257 act = VIRTCHNL_ACTION_DROP;
1259 q_index = fsp->ring_cookie;
1260 if (q_index >= adapter->num_active_queues)
1263 act = VIRTCHNL_ACTION_QUEUE;
1267 fltr->loc = fsp->location;
1268 fltr->q_index = q_index;
1270 if (fsp->flow_type & FLOW_EXT) {
1271 memcpy(fltr->ext_data.usr_def, fsp->h_ext.data,
1272 sizeof(fltr->ext_data.usr_def));
1273 memcpy(fltr->ext_mask.usr_def, fsp->m_ext.data,
1274 sizeof(fltr->ext_mask.usr_def));
1277 flow_type = fsp->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT | FLOW_RSS);
1278 fltr->flow_type = iavf_ethtool_flow_to_fltr(flow_type);
1280 switch (flow_type) {
1284 fltr->ip_data.v4_addrs.src_ip = fsp->h_u.tcp_ip4_spec.ip4src;
1285 fltr->ip_data.v4_addrs.dst_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
1286 fltr->ip_data.src_port = fsp->h_u.tcp_ip4_spec.psrc;
1287 fltr->ip_data.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
1288 fltr->ip_data.tos = fsp->h_u.tcp_ip4_spec.tos;
1289 fltr->ip_mask.v4_addrs.src_ip = fsp->m_u.tcp_ip4_spec.ip4src;
1290 fltr->ip_mask.v4_addrs.dst_ip = fsp->m_u.tcp_ip4_spec.ip4dst;
1291 fltr->ip_mask.src_port = fsp->m_u.tcp_ip4_spec.psrc;
1292 fltr->ip_mask.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
1293 fltr->ip_mask.tos = fsp->m_u.tcp_ip4_spec.tos;
1297 fltr->ip_data.v4_addrs.src_ip = fsp->h_u.ah_ip4_spec.ip4src;
1298 fltr->ip_data.v4_addrs.dst_ip = fsp->h_u.ah_ip4_spec.ip4dst;
1299 fltr->ip_data.spi = fsp->h_u.ah_ip4_spec.spi;
1300 fltr->ip_data.tos = fsp->h_u.ah_ip4_spec.tos;
1301 fltr->ip_mask.v4_addrs.src_ip = fsp->m_u.ah_ip4_spec.ip4src;
1302 fltr->ip_mask.v4_addrs.dst_ip = fsp->m_u.ah_ip4_spec.ip4dst;
1303 fltr->ip_mask.spi = fsp->m_u.ah_ip4_spec.spi;
1304 fltr->ip_mask.tos = fsp->m_u.ah_ip4_spec.tos;
1306 case IPV4_USER_FLOW:
1307 fltr->ip_data.v4_addrs.src_ip = fsp->h_u.usr_ip4_spec.ip4src;
1308 fltr->ip_data.v4_addrs.dst_ip = fsp->h_u.usr_ip4_spec.ip4dst;
1309 fltr->ip_data.l4_header = fsp->h_u.usr_ip4_spec.l4_4_bytes;
1310 fltr->ip_data.tos = fsp->h_u.usr_ip4_spec.tos;
1311 fltr->ip_data.proto = fsp->h_u.usr_ip4_spec.proto;
1312 fltr->ip_mask.v4_addrs.src_ip = fsp->m_u.usr_ip4_spec.ip4src;
1313 fltr->ip_mask.v4_addrs.dst_ip = fsp->m_u.usr_ip4_spec.ip4dst;
1314 fltr->ip_mask.l4_header = fsp->m_u.usr_ip4_spec.l4_4_bytes;
1315 fltr->ip_mask.tos = fsp->m_u.usr_ip4_spec.tos;
1316 fltr->ip_mask.proto = fsp->m_u.usr_ip4_spec.proto;
1321 memcpy(&fltr->ip_data.v6_addrs.src_ip, fsp->h_u.usr_ip6_spec.ip6src,
1322 sizeof(struct in6_addr));
1323 memcpy(&fltr->ip_data.v6_addrs.dst_ip, fsp->h_u.usr_ip6_spec.ip6dst,
1324 sizeof(struct in6_addr));
1325 fltr->ip_data.src_port = fsp->h_u.tcp_ip6_spec.psrc;
1326 fltr->ip_data.dst_port = fsp->h_u.tcp_ip6_spec.pdst;
1327 fltr->ip_data.tclass = fsp->h_u.tcp_ip6_spec.tclass;
1328 memcpy(&fltr->ip_mask.v6_addrs.src_ip, fsp->m_u.usr_ip6_spec.ip6src,
1329 sizeof(struct in6_addr));
1330 memcpy(&fltr->ip_mask.v6_addrs.dst_ip, fsp->m_u.usr_ip6_spec.ip6dst,
1331 sizeof(struct in6_addr));
1332 fltr->ip_mask.src_port = fsp->m_u.tcp_ip6_spec.psrc;
1333 fltr->ip_mask.dst_port = fsp->m_u.tcp_ip6_spec.pdst;
1334 fltr->ip_mask.tclass = fsp->m_u.tcp_ip6_spec.tclass;
1338 memcpy(&fltr->ip_data.v6_addrs.src_ip, fsp->h_u.ah_ip6_spec.ip6src,
1339 sizeof(struct in6_addr));
1340 memcpy(&fltr->ip_data.v6_addrs.dst_ip, fsp->h_u.ah_ip6_spec.ip6dst,
1341 sizeof(struct in6_addr));
1342 fltr->ip_data.spi = fsp->h_u.ah_ip6_spec.spi;
1343 fltr->ip_data.tclass = fsp->h_u.ah_ip6_spec.tclass;
1344 memcpy(&fltr->ip_mask.v6_addrs.src_ip, fsp->m_u.ah_ip6_spec.ip6src,
1345 sizeof(struct in6_addr));
1346 memcpy(&fltr->ip_mask.v6_addrs.dst_ip, fsp->m_u.ah_ip6_spec.ip6dst,
1347 sizeof(struct in6_addr));
1348 fltr->ip_mask.spi = fsp->m_u.ah_ip6_spec.spi;
1349 fltr->ip_mask.tclass = fsp->m_u.ah_ip6_spec.tclass;
1351 case IPV6_USER_FLOW:
1352 memcpy(&fltr->ip_data.v6_addrs.src_ip, fsp->h_u.usr_ip6_spec.ip6src,
1353 sizeof(struct in6_addr));
1354 memcpy(&fltr->ip_data.v6_addrs.dst_ip, fsp->h_u.usr_ip6_spec.ip6dst,
1355 sizeof(struct in6_addr));
1356 fltr->ip_data.l4_header = fsp->h_u.usr_ip6_spec.l4_4_bytes;
1357 fltr->ip_data.tclass = fsp->h_u.usr_ip6_spec.tclass;
1358 fltr->ip_data.proto = fsp->h_u.usr_ip6_spec.l4_proto;
1359 memcpy(&fltr->ip_mask.v6_addrs.src_ip, fsp->m_u.usr_ip6_spec.ip6src,
1360 sizeof(struct in6_addr));
1361 memcpy(&fltr->ip_mask.v6_addrs.dst_ip, fsp->m_u.usr_ip6_spec.ip6dst,
1362 sizeof(struct in6_addr));
1363 fltr->ip_mask.l4_header = fsp->m_u.usr_ip6_spec.l4_4_bytes;
1364 fltr->ip_mask.tclass = fsp->m_u.usr_ip6_spec.tclass;
1365 fltr->ip_mask.proto = fsp->m_u.usr_ip6_spec.l4_proto;
1368 fltr->eth_data.etype = fsp->h_u.ether_spec.h_proto;
1369 fltr->eth_mask.etype = fsp->m_u.ether_spec.h_proto;
1372 /* not doing un-parsed flow types */
1376 if (iavf_fdir_is_dup_fltr(adapter, fltr))
1379 err = iavf_parse_rx_flow_user_data(fsp, fltr);
1383 return iavf_fill_fdir_add_msg(adapter, fltr);
1387 * iavf_add_fdir_ethtool - add Flow Director filter
1388 * @adapter: pointer to the VF adapter structure
1389 * @cmd: command to add Flow Director filter
1391 * Returns 0 on success and negative values for failure
1393 static int iavf_add_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rxnfc *cmd)
1395 struct ethtool_rx_flow_spec *fsp = &cmd->fs;
1396 struct iavf_fdir_fltr *fltr;
1400 if (!FDIR_FLTR_SUPPORT(adapter))
1403 if (fsp->flow_type & FLOW_MAC_EXT)
1406 if (adapter->fdir_active_fltr >= IAVF_MAX_FDIR_FILTERS) {
1407 dev_err(&adapter->pdev->dev,
1408 "Unable to add Flow Director filter because VF reached the limit of max allowed filters (%u)\n",
1409 IAVF_MAX_FDIR_FILTERS);
1413 spin_lock_bh(&adapter->fdir_fltr_lock);
1414 if (iavf_find_fdir_fltr_by_loc(adapter, fsp->location)) {
1415 dev_err(&adapter->pdev->dev, "Failed to add Flow Director filter, it already exists\n");
1416 spin_unlock_bh(&adapter->fdir_fltr_lock);
1419 spin_unlock_bh(&adapter->fdir_fltr_lock);
1421 fltr = kzalloc(sizeof(*fltr), GFP_KERNEL);
1425 while (!mutex_trylock(&adapter->crit_lock)) {
1433 err = iavf_add_fdir_fltr_info(adapter, fsp, fltr);
1437 spin_lock_bh(&adapter->fdir_fltr_lock);
1438 iavf_fdir_list_add_fltr(adapter, fltr);
1439 adapter->fdir_active_fltr++;
1440 fltr->state = IAVF_FDIR_FLTR_ADD_REQUEST;
1441 adapter->aq_required |= IAVF_FLAG_AQ_ADD_FDIR_FILTER;
1442 spin_unlock_bh(&adapter->fdir_fltr_lock);
1444 mod_delayed_work(iavf_wq, &adapter->watchdog_task, 0);
1450 mutex_unlock(&adapter->crit_lock);
1455 * iavf_del_fdir_ethtool - delete Flow Director filter
1456 * @adapter: pointer to the VF adapter structure
1457 * @cmd: command to delete Flow Director filter
1459 * Returns 0 on success and negative values for failure
1461 static int iavf_del_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rxnfc *cmd)
1463 struct ethtool_rx_flow_spec *fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
1464 struct iavf_fdir_fltr *fltr = NULL;
1467 if (!FDIR_FLTR_SUPPORT(adapter))
1470 spin_lock_bh(&adapter->fdir_fltr_lock);
1471 fltr = iavf_find_fdir_fltr_by_loc(adapter, fsp->location);
1473 if (fltr->state == IAVF_FDIR_FLTR_ACTIVE) {
1474 fltr->state = IAVF_FDIR_FLTR_DEL_REQUEST;
1475 adapter->aq_required |= IAVF_FLAG_AQ_DEL_FDIR_FILTER;
1479 } else if (adapter->fdir_active_fltr) {
1482 spin_unlock_bh(&adapter->fdir_fltr_lock);
1484 if (fltr && fltr->state == IAVF_FDIR_FLTR_DEL_REQUEST)
1485 mod_delayed_work(iavf_wq, &adapter->watchdog_task, 0);
1491 * iavf_adv_rss_parse_hdrs - parses headers from RSS hash input
1492 * @cmd: ethtool rxnfc command
1494 * This function parses the rxnfc command and returns intended
1495 * header types for RSS configuration
1497 static u32 iavf_adv_rss_parse_hdrs(struct ethtool_rxnfc *cmd)
1499 u32 hdrs = IAVF_ADV_RSS_FLOW_SEG_HDR_NONE;
1501 switch (cmd->flow_type) {
1503 hdrs |= IAVF_ADV_RSS_FLOW_SEG_HDR_TCP |
1504 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4;
1507 hdrs |= IAVF_ADV_RSS_FLOW_SEG_HDR_UDP |
1508 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4;
1511 hdrs |= IAVF_ADV_RSS_FLOW_SEG_HDR_SCTP |
1512 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4;
1515 hdrs |= IAVF_ADV_RSS_FLOW_SEG_HDR_TCP |
1516 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6;
1519 hdrs |= IAVF_ADV_RSS_FLOW_SEG_HDR_UDP |
1520 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6;
1523 hdrs |= IAVF_ADV_RSS_FLOW_SEG_HDR_SCTP |
1524 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6;
1534 * iavf_adv_rss_parse_hash_flds - parses hash fields from RSS hash input
1535 * @cmd: ethtool rxnfc command
1537 * This function parses the rxnfc command and returns intended hash fields for
1540 static u64 iavf_adv_rss_parse_hash_flds(struct ethtool_rxnfc *cmd)
1542 u64 hfld = IAVF_ADV_RSS_HASH_INVALID;
1544 if (cmd->data & RXH_IP_SRC || cmd->data & RXH_IP_DST) {
1545 switch (cmd->flow_type) {
1549 if (cmd->data & RXH_IP_SRC)
1550 hfld |= IAVF_ADV_RSS_HASH_FLD_IPV4_SA;
1551 if (cmd->data & RXH_IP_DST)
1552 hfld |= IAVF_ADV_RSS_HASH_FLD_IPV4_DA;
1557 if (cmd->data & RXH_IP_SRC)
1558 hfld |= IAVF_ADV_RSS_HASH_FLD_IPV6_SA;
1559 if (cmd->data & RXH_IP_DST)
1560 hfld |= IAVF_ADV_RSS_HASH_FLD_IPV6_DA;
1567 if (cmd->data & RXH_L4_B_0_1 || cmd->data & RXH_L4_B_2_3) {
1568 switch (cmd->flow_type) {
1571 if (cmd->data & RXH_L4_B_0_1)
1572 hfld |= IAVF_ADV_RSS_HASH_FLD_TCP_SRC_PORT;
1573 if (cmd->data & RXH_L4_B_2_3)
1574 hfld |= IAVF_ADV_RSS_HASH_FLD_TCP_DST_PORT;
1578 if (cmd->data & RXH_L4_B_0_1)
1579 hfld |= IAVF_ADV_RSS_HASH_FLD_UDP_SRC_PORT;
1580 if (cmd->data & RXH_L4_B_2_3)
1581 hfld |= IAVF_ADV_RSS_HASH_FLD_UDP_DST_PORT;
1585 if (cmd->data & RXH_L4_B_0_1)
1586 hfld |= IAVF_ADV_RSS_HASH_FLD_SCTP_SRC_PORT;
1587 if (cmd->data & RXH_L4_B_2_3)
1588 hfld |= IAVF_ADV_RSS_HASH_FLD_SCTP_DST_PORT;
1599 * iavf_set_adv_rss_hash_opt - Enable/Disable flow types for RSS hash
1600 * @adapter: pointer to the VF adapter structure
1601 * @cmd: ethtool rxnfc command
1603 * Returns Success if the flow input set is supported.
1606 iavf_set_adv_rss_hash_opt(struct iavf_adapter *adapter,
1607 struct ethtool_rxnfc *cmd)
1609 struct iavf_adv_rss *rss_old, *rss_new;
1610 bool rss_new_add = false;
1611 int count = 50, err = 0;
1615 if (!ADV_RSS_SUPPORT(adapter))
1618 hdrs = iavf_adv_rss_parse_hdrs(cmd);
1619 if (hdrs == IAVF_ADV_RSS_FLOW_SEG_HDR_NONE)
1622 hash_flds = iavf_adv_rss_parse_hash_flds(cmd);
1623 if (hash_flds == IAVF_ADV_RSS_HASH_INVALID)
1626 rss_new = kzalloc(sizeof(*rss_new), GFP_KERNEL);
1630 if (iavf_fill_adv_rss_cfg_msg(&rss_new->cfg_msg, hdrs, hash_flds)) {
1635 while (!mutex_trylock(&adapter->crit_lock)) {
1644 spin_lock_bh(&adapter->adv_rss_lock);
1645 rss_old = iavf_find_adv_rss_cfg_by_hdrs(adapter, hdrs);
1647 if (rss_old->state != IAVF_ADV_RSS_ACTIVE) {
1649 } else if (rss_old->hash_flds != hash_flds) {
1650 rss_old->state = IAVF_ADV_RSS_ADD_REQUEST;
1651 rss_old->hash_flds = hash_flds;
1652 memcpy(&rss_old->cfg_msg, &rss_new->cfg_msg,
1653 sizeof(rss_new->cfg_msg));
1654 adapter->aq_required |= IAVF_FLAG_AQ_ADD_ADV_RSS_CFG;
1660 rss_new->state = IAVF_ADV_RSS_ADD_REQUEST;
1661 rss_new->packet_hdrs = hdrs;
1662 rss_new->hash_flds = hash_flds;
1663 list_add_tail(&rss_new->list, &adapter->adv_rss_list_head);
1664 adapter->aq_required |= IAVF_FLAG_AQ_ADD_ADV_RSS_CFG;
1666 spin_unlock_bh(&adapter->adv_rss_lock);
1669 mod_delayed_work(iavf_wq, &adapter->watchdog_task, 0);
1671 mutex_unlock(&adapter->crit_lock);
1680 * iavf_get_adv_rss_hash_opt - Retrieve hash fields for a given flow-type
1681 * @adapter: pointer to the VF adapter structure
1682 * @cmd: ethtool rxnfc command
1684 * Returns Success if the flow input set is supported.
1687 iavf_get_adv_rss_hash_opt(struct iavf_adapter *adapter,
1688 struct ethtool_rxnfc *cmd)
1690 struct iavf_adv_rss *rss;
1694 if (!ADV_RSS_SUPPORT(adapter))
1699 hdrs = iavf_adv_rss_parse_hdrs(cmd);
1700 if (hdrs == IAVF_ADV_RSS_FLOW_SEG_HDR_NONE)
1703 spin_lock_bh(&adapter->adv_rss_lock);
1704 rss = iavf_find_adv_rss_cfg_by_hdrs(adapter, hdrs);
1706 hash_flds = rss->hash_flds;
1708 hash_flds = IAVF_ADV_RSS_HASH_INVALID;
1709 spin_unlock_bh(&adapter->adv_rss_lock);
1711 if (hash_flds == IAVF_ADV_RSS_HASH_INVALID)
1714 if (hash_flds & (IAVF_ADV_RSS_HASH_FLD_IPV4_SA |
1715 IAVF_ADV_RSS_HASH_FLD_IPV6_SA))
1716 cmd->data |= (u64)RXH_IP_SRC;
1718 if (hash_flds & (IAVF_ADV_RSS_HASH_FLD_IPV4_DA |
1719 IAVF_ADV_RSS_HASH_FLD_IPV6_DA))
1720 cmd->data |= (u64)RXH_IP_DST;
1722 if (hash_flds & (IAVF_ADV_RSS_HASH_FLD_TCP_SRC_PORT |
1723 IAVF_ADV_RSS_HASH_FLD_UDP_SRC_PORT |
1724 IAVF_ADV_RSS_HASH_FLD_SCTP_SRC_PORT))
1725 cmd->data |= (u64)RXH_L4_B_0_1;
1727 if (hash_flds & (IAVF_ADV_RSS_HASH_FLD_TCP_DST_PORT |
1728 IAVF_ADV_RSS_HASH_FLD_UDP_DST_PORT |
1729 IAVF_ADV_RSS_HASH_FLD_SCTP_DST_PORT))
1730 cmd->data |= (u64)RXH_L4_B_2_3;
1736 * iavf_set_rxnfc - command to set Rx flow rules.
1737 * @netdev: network interface device structure
1738 * @cmd: ethtool rxnfc command
1740 * Returns 0 for success and negative values for errors
1742 static int iavf_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1744 struct iavf_adapter *adapter = netdev_priv(netdev);
1745 int ret = -EOPNOTSUPP;
1748 case ETHTOOL_SRXCLSRLINS:
1749 ret = iavf_add_fdir_ethtool(adapter, cmd);
1751 case ETHTOOL_SRXCLSRLDEL:
1752 ret = iavf_del_fdir_ethtool(adapter, cmd);
1755 ret = iavf_set_adv_rss_hash_opt(adapter, cmd);
1765 * iavf_get_rxnfc - command to get RX flow classification rules
1766 * @netdev: network interface device structure
1767 * @cmd: ethtool rxnfc command
1768 * @rule_locs: pointer to store rule locations
1770 * Returns Success if the command is supported.
1772 static int iavf_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1775 struct iavf_adapter *adapter = netdev_priv(netdev);
1776 int ret = -EOPNOTSUPP;
1779 case ETHTOOL_GRXRINGS:
1780 cmd->data = adapter->num_active_queues;
1783 case ETHTOOL_GRXCLSRLCNT:
1784 if (!FDIR_FLTR_SUPPORT(adapter))
1786 cmd->rule_cnt = adapter->fdir_active_fltr;
1787 cmd->data = IAVF_MAX_FDIR_FILTERS;
1790 case ETHTOOL_GRXCLSRULE:
1791 ret = iavf_get_ethtool_fdir_entry(adapter, cmd);
1793 case ETHTOOL_GRXCLSRLALL:
1794 ret = iavf_get_fdir_fltr_ids(adapter, cmd, (u32 *)rule_locs);
1797 ret = iavf_get_adv_rss_hash_opt(adapter, cmd);
1806 * iavf_get_channels: get the number of channels supported by the device
1807 * @netdev: network interface device structure
1808 * @ch: channel information structure
1810 * For the purposes of our device, we only use combined channels, i.e. a tx/rx
1811 * queue pair. Report one extra channel to match our "other" MSI-X vector.
1813 static void iavf_get_channels(struct net_device *netdev,
1814 struct ethtool_channels *ch)
1816 struct iavf_adapter *adapter = netdev_priv(netdev);
1818 /* Report maximum channels */
1819 ch->max_combined = adapter->vsi_res->num_queue_pairs;
1821 ch->max_other = NONQ_VECS;
1822 ch->other_count = NONQ_VECS;
1824 ch->combined_count = adapter->num_active_queues;
1828 * iavf_set_channels: set the new channel count
1829 * @netdev: network interface device structure
1830 * @ch: channel information structure
1832 * Negotiate a new number of channels with the PF then do a reset. During
1833 * reset we'll realloc queues and fix the RSS table. Returns 0 on success,
1834 * negative on failure.
1836 static int iavf_set_channels(struct net_device *netdev,
1837 struct ethtool_channels *ch)
1839 struct iavf_adapter *adapter = netdev_priv(netdev);
1840 u32 num_req = ch->combined_count;
1843 if ((adapter->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADQ) &&
1845 dev_info(&adapter->pdev->dev, "Cannot set channels since ADq is enabled.\n");
1849 /* All of these should have already been checked by ethtool before this
1850 * even gets to us, but just to be sure.
1852 if (num_req == 0 || num_req > adapter->vsi_res->num_queue_pairs)
1855 if (num_req == adapter->num_active_queues)
1858 if (ch->rx_count || ch->tx_count || ch->other_count != NONQ_VECS)
1861 adapter->num_req_queues = num_req;
1862 adapter->flags |= IAVF_FLAG_REINIT_ITR_NEEDED;
1863 iavf_schedule_reset(adapter);
1865 /* wait for the reset is done */
1866 for (i = 0; i < IAVF_RESET_WAIT_COMPLETE_COUNT; i++) {
1867 msleep(IAVF_RESET_WAIT_MS);
1868 if (adapter->flags & IAVF_FLAG_RESET_PENDING)
1872 if (i == IAVF_RESET_WAIT_COMPLETE_COUNT) {
1873 adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
1874 adapter->num_active_queues = num_req;
1882 * iavf_get_rxfh_key_size - get the RSS hash key size
1883 * @netdev: network interface device structure
1885 * Returns the table size.
1887 static u32 iavf_get_rxfh_key_size(struct net_device *netdev)
1889 struct iavf_adapter *adapter = netdev_priv(netdev);
1891 return adapter->rss_key_size;
1895 * iavf_get_rxfh_indir_size - get the rx flow hash indirection table size
1896 * @netdev: network interface device structure
1898 * Returns the table size.
1900 static u32 iavf_get_rxfh_indir_size(struct net_device *netdev)
1902 struct iavf_adapter *adapter = netdev_priv(netdev);
1904 return adapter->rss_lut_size;
1908 * iavf_get_rxfh - get the rx flow hash indirection table
1909 * @netdev: network interface device structure
1910 * @indir: indirection table
1912 * @hfunc: hash function in use
1914 * Reads the indirection table directly from the hardware. Always returns 0.
1916 static int iavf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
1919 struct iavf_adapter *adapter = netdev_priv(netdev);
1923 *hfunc = ETH_RSS_HASH_TOP;
1925 memcpy(key, adapter->rss_key, adapter->rss_key_size);
1928 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
1929 for (i = 0; i < adapter->rss_lut_size; i++)
1930 indir[i] = (u32)adapter->rss_lut[i];
1936 * iavf_set_rxfh - set the rx flow hash indirection table
1937 * @netdev: network interface device structure
1938 * @indir: indirection table
1940 * @hfunc: hash function to use
1942 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
1943 * returns 0 after programming the table.
1945 static int iavf_set_rxfh(struct net_device *netdev, const u32 *indir,
1946 const u8 *key, const u8 hfunc)
1948 struct iavf_adapter *adapter = netdev_priv(netdev);
1951 /* Only support toeplitz hash function */
1952 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1959 memcpy(adapter->rss_key, key, adapter->rss_key_size);
1962 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
1963 for (i = 0; i < adapter->rss_lut_size; i++)
1964 adapter->rss_lut[i] = (u8)(indir[i]);
1967 return iavf_config_rss(adapter);
1970 static const struct ethtool_ops iavf_ethtool_ops = {
1971 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1972 ETHTOOL_COALESCE_MAX_FRAMES |
1973 ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
1974 ETHTOOL_COALESCE_USE_ADAPTIVE,
1975 .get_drvinfo = iavf_get_drvinfo,
1976 .get_link = ethtool_op_get_link,
1977 .get_ringparam = iavf_get_ringparam,
1978 .set_ringparam = iavf_set_ringparam,
1979 .get_strings = iavf_get_strings,
1980 .get_ethtool_stats = iavf_get_ethtool_stats,
1981 .get_sset_count = iavf_get_sset_count,
1982 .get_priv_flags = iavf_get_priv_flags,
1983 .set_priv_flags = iavf_set_priv_flags,
1984 .get_msglevel = iavf_get_msglevel,
1985 .set_msglevel = iavf_set_msglevel,
1986 .get_coalesce = iavf_get_coalesce,
1987 .set_coalesce = iavf_set_coalesce,
1988 .get_per_queue_coalesce = iavf_get_per_queue_coalesce,
1989 .set_per_queue_coalesce = iavf_set_per_queue_coalesce,
1990 .set_rxnfc = iavf_set_rxnfc,
1991 .get_rxnfc = iavf_get_rxnfc,
1992 .get_rxfh_indir_size = iavf_get_rxfh_indir_size,
1993 .get_rxfh = iavf_get_rxfh,
1994 .set_rxfh = iavf_set_rxfh,
1995 .get_channels = iavf_get_channels,
1996 .set_channels = iavf_set_channels,
1997 .get_rxfh_key_size = iavf_get_rxfh_key_size,
1998 .get_link_ksettings = iavf_get_link_ksettings,
2002 * iavf_set_ethtool_ops - Initialize ethtool ops struct
2003 * @netdev: network interface device structure
2005 * Sets ethtool ops struct in our netdev so that ethtool can call
2008 void iavf_set_ethtool_ops(struct net_device *netdev)
2010 netdev->ethtool_ops = &iavf_ethtool_ops;