1 /* Intel Ethernet Switch Host Interface Driver
2 * Copyright(c) 2013 - 2014 Intel Corporation.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * The full GNU General Public License is included in this distribution in
14 * the file called "COPYING".
16 * Contact Information:
17 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
18 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
21 #include <linux/vmalloc.h>
26 char stat_string[ETH_GSTRING_LEN];
31 #define FM10K_NETDEV_STAT(_net_stat) { \
32 .stat_string = #_net_stat, \
33 .sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
34 .stat_offset = offsetof(struct net_device_stats, _net_stat) \
37 static const struct fm10k_stats fm10k_gstrings_net_stats[] = {
38 FM10K_NETDEV_STAT(tx_packets),
39 FM10K_NETDEV_STAT(tx_bytes),
40 FM10K_NETDEV_STAT(tx_errors),
41 FM10K_NETDEV_STAT(rx_packets),
42 FM10K_NETDEV_STAT(rx_bytes),
43 FM10K_NETDEV_STAT(rx_errors),
44 FM10K_NETDEV_STAT(rx_dropped),
46 /* detailed Rx errors */
47 FM10K_NETDEV_STAT(rx_length_errors),
48 FM10K_NETDEV_STAT(rx_crc_errors),
49 FM10K_NETDEV_STAT(rx_fifo_errors),
52 #define FM10K_NETDEV_STATS_LEN ARRAY_SIZE(fm10k_gstrings_net_stats)
54 #define FM10K_STAT(_name, _stat) { \
55 .stat_string = _name, \
56 .sizeof_stat = FIELD_SIZEOF(struct fm10k_intfc, _stat), \
57 .stat_offset = offsetof(struct fm10k_intfc, _stat) \
60 static const struct fm10k_stats fm10k_gstrings_stats[] = {
61 FM10K_STAT("tx_restart_queue", restart_queue),
62 FM10K_STAT("tx_busy", tx_busy),
63 FM10K_STAT("tx_csum_errors", tx_csum_errors),
64 FM10K_STAT("rx_alloc_failed", alloc_failed),
65 FM10K_STAT("rx_csum_errors", rx_csum_errors),
66 FM10K_STAT("rx_errors", rx_errors),
68 FM10K_STAT("tx_packets_nic", tx_packets_nic),
69 FM10K_STAT("tx_bytes_nic", tx_bytes_nic),
70 FM10K_STAT("rx_packets_nic", rx_packets_nic),
71 FM10K_STAT("rx_bytes_nic", rx_bytes_nic),
72 FM10K_STAT("rx_drops_nic", rx_drops_nic),
73 FM10K_STAT("rx_overrun_pf", rx_overrun_pf),
74 FM10K_STAT("rx_overrun_vf", rx_overrun_vf),
76 FM10K_STAT("timeout", stats.timeout.count),
77 FM10K_STAT("ur", stats.ur.count),
78 FM10K_STAT("ca", stats.ca.count),
79 FM10K_STAT("um", stats.um.count),
80 FM10K_STAT("xec", stats.xec.count),
81 FM10K_STAT("vlan_drop", stats.vlan_drop.count),
82 FM10K_STAT("loopback_drop", stats.loopback_drop.count),
83 FM10K_STAT("nodesc_drop", stats.nodesc_drop.count),
85 FM10K_STAT("swapi_status", hw.swapi.status),
86 FM10K_STAT("mac_rules_used", hw.swapi.mac.used),
87 FM10K_STAT("mac_rules_avail", hw.swapi.mac.avail),
89 FM10K_STAT("mbx_tx_busy", hw.mbx.tx_busy),
90 FM10K_STAT("mbx_tx_dropped", hw.mbx.tx_dropped),
91 FM10K_STAT("mbx_tx_messages", hw.mbx.tx_messages),
92 FM10K_STAT("mbx_tx_dwords", hw.mbx.tx_dwords),
93 FM10K_STAT("mbx_rx_messages", hw.mbx.rx_messages),
94 FM10K_STAT("mbx_rx_dwords", hw.mbx.rx_dwords),
95 FM10K_STAT("mbx_rx_parse_err", hw.mbx.rx_parse_err),
97 FM10K_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
100 #define FM10K_GLOBAL_STATS_LEN ARRAY_SIZE(fm10k_gstrings_stats)
102 #define FM10K_QUEUE_STATS_LEN \
103 (MAX_QUEUES * 2 * (sizeof(struct fm10k_queue_stats) / sizeof(u64)))
105 #define FM10K_STATS_LEN (FM10K_GLOBAL_STATS_LEN + \
106 FM10K_NETDEV_STATS_LEN + \
107 FM10K_QUEUE_STATS_LEN)
109 static const char fm10k_gstrings_test[][ETH_GSTRING_LEN] = {
110 "Mailbox test (on/offline)"
113 #define FM10K_TEST_LEN (sizeof(fm10k_gstrings_test) / ETH_GSTRING_LEN)
115 enum fm10k_self_test_types {
117 FM10K_TEST_MAX = FM10K_TEST_LEN
120 static void fm10k_get_strings(struct net_device *dev, u32 stringset,
123 char *p = (char *)data;
128 memcpy(data, *fm10k_gstrings_test,
129 FM10K_TEST_LEN * ETH_GSTRING_LEN);
132 for (i = 0; i < FM10K_NETDEV_STATS_LEN; i++) {
133 memcpy(p, fm10k_gstrings_net_stats[i].stat_string,
135 p += ETH_GSTRING_LEN;
137 for (i = 0; i < FM10K_GLOBAL_STATS_LEN; i++) {
138 memcpy(p, fm10k_gstrings_stats[i].stat_string,
140 p += ETH_GSTRING_LEN;
143 for (i = 0; i < MAX_QUEUES; i++) {
144 sprintf(p, "tx_queue_%u_packets", i);
145 p += ETH_GSTRING_LEN;
146 sprintf(p, "tx_queue_%u_bytes", i);
147 p += ETH_GSTRING_LEN;
148 sprintf(p, "rx_queue_%u_packets", i);
149 p += ETH_GSTRING_LEN;
150 sprintf(p, "rx_queue_%u_bytes", i);
151 p += ETH_GSTRING_LEN;
157 static int fm10k_get_sset_count(struct net_device *dev, int sset)
161 return FM10K_TEST_LEN;
163 return FM10K_STATS_LEN;
169 static void fm10k_get_ethtool_stats(struct net_device *netdev,
170 struct ethtool_stats *stats, u64 *data)
172 const int stat_count = sizeof(struct fm10k_queue_stats) / sizeof(u64);
173 struct fm10k_intfc *interface = netdev_priv(netdev);
174 struct net_device_stats *net_stats = &netdev->stats;
178 fm10k_update_stats(interface);
180 for (i = 0; i < FM10K_NETDEV_STATS_LEN; i++) {
181 p = (char *)net_stats + fm10k_gstrings_net_stats[i].stat_offset;
182 *(data++) = (fm10k_gstrings_net_stats[i].sizeof_stat ==
183 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
186 for (i = 0; i < FM10K_GLOBAL_STATS_LEN; i++) {
187 p = (char *)interface + fm10k_gstrings_stats[i].stat_offset;
188 *(data++) = (fm10k_gstrings_stats[i].sizeof_stat ==
189 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
192 for (i = 0; i < MAX_QUEUES; i++) {
193 struct fm10k_ring *ring;
196 ring = interface->tx_ring[i];
198 queue_stat = (u64 *)&ring->stats;
199 for (j = 0; j < stat_count; j++)
200 *(data++) = ring ? queue_stat[j] : 0;
202 ring = interface->rx_ring[i];
204 queue_stat = (u64 *)&ring->stats;
205 for (j = 0; j < stat_count; j++)
206 *(data++) = ring ? queue_stat[j] : 0;
210 /* If function below adds more registers this define needs to be updated */
211 #define FM10K_REGS_LEN_Q 29
213 static void fm10k_get_reg_q(struct fm10k_hw *hw, u32 *buff, int i)
217 buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAL(i));
218 buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAH(i));
219 buff[idx++] = fm10k_read_reg(hw, FM10K_RDLEN(i));
220 buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_RXCTRL(i));
221 buff[idx++] = fm10k_read_reg(hw, FM10K_RDH(i));
222 buff[idx++] = fm10k_read_reg(hw, FM10K_RDT(i));
223 buff[idx++] = fm10k_read_reg(hw, FM10K_RXQCTL(i));
224 buff[idx++] = fm10k_read_reg(hw, FM10K_RXDCTL(i));
225 buff[idx++] = fm10k_read_reg(hw, FM10K_RXINT(i));
226 buff[idx++] = fm10k_read_reg(hw, FM10K_SRRCTL(i));
227 buff[idx++] = fm10k_read_reg(hw, FM10K_QPRC(i));
228 buff[idx++] = fm10k_read_reg(hw, FM10K_QPRDC(i));
229 buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_L(i));
230 buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_H(i));
231 buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAL(i));
232 buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAH(i));
233 buff[idx++] = fm10k_read_reg(hw, FM10K_TDLEN(i));
234 buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_TXCTRL(i));
235 buff[idx++] = fm10k_read_reg(hw, FM10K_TDH(i));
236 buff[idx++] = fm10k_read_reg(hw, FM10K_TDT(i));
237 buff[idx++] = fm10k_read_reg(hw, FM10K_TXDCTL(i));
238 buff[idx++] = fm10k_read_reg(hw, FM10K_TXQCTL(i));
239 buff[idx++] = fm10k_read_reg(hw, FM10K_TXINT(i));
240 buff[idx++] = fm10k_read_reg(hw, FM10K_QPTC(i));
241 buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_L(i));
242 buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_H(i));
243 buff[idx++] = fm10k_read_reg(hw, FM10K_TQDLOC(i));
244 buff[idx++] = fm10k_read_reg(hw, FM10K_TX_SGLORT(i));
245 buff[idx++] = fm10k_read_reg(hw, FM10K_PFVTCTL(i));
247 BUG_ON(idx != FM10K_REGS_LEN_Q);
250 /* If function above adds more registers this define needs to be updated */
251 #define FM10K_REGS_LEN_VSI 43
253 static void fm10k_get_reg_vsi(struct fm10k_hw *hw, u32 *buff, int i)
257 buff[idx++] = fm10k_read_reg(hw, FM10K_MRQC(i));
258 for (j = 0; j < 10; j++)
259 buff[idx++] = fm10k_read_reg(hw, FM10K_RSSRK(i, j));
260 for (j = 0; j < 32; j++)
261 buff[idx++] = fm10k_read_reg(hw, FM10K_RETA(i, j));
263 BUG_ON(idx != FM10K_REGS_LEN_VSI);
266 static void fm10k_get_regs(struct net_device *netdev,
267 struct ethtool_regs *regs, void *p)
269 struct fm10k_intfc *interface = netdev_priv(netdev);
270 struct fm10k_hw *hw = &interface->hw;
274 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
276 switch (hw->mac.type) {
278 /* General PF Registers */
279 *(buff++) = fm10k_read_reg(hw, FM10K_CTRL);
280 *(buff++) = fm10k_read_reg(hw, FM10K_CTRL_EXT);
281 *(buff++) = fm10k_read_reg(hw, FM10K_GCR);
282 *(buff++) = fm10k_read_reg(hw, FM10K_GCR_EXT);
284 for (i = 0; i < 8; i++) {
285 *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTMAP(i));
286 *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTDEC(i));
289 for (i = 0; i < 65; i++) {
290 fm10k_get_reg_vsi(hw, buff, i);
291 buff += FM10K_REGS_LEN_VSI;
294 *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL);
295 *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL2);
297 for (i = 0; i < FM10K_MAX_QUEUES_PF; i++) {
298 fm10k_get_reg_q(hw, buff, i);
299 buff += FM10K_REGS_LEN_Q;
302 *(buff++) = fm10k_read_reg(hw, FM10K_TPH_CTRL);
304 for (i = 0; i < 8; i++)
305 *(buff++) = fm10k_read_reg(hw, FM10K_INT_MAP(i));
307 /* Interrupt Throttling Registers */
308 for (i = 0; i < 130; i++)
309 *(buff++) = fm10k_read_reg(hw, FM10K_ITR(i));
313 /* General VF registers */
314 *(buff++) = fm10k_read_reg(hw, FM10K_VFCTRL);
315 *(buff++) = fm10k_read_reg(hw, FM10K_VFINT_MAP);
316 *(buff++) = fm10k_read_reg(hw, FM10K_VFSYSTIME);
318 /* Interrupt Throttling Registers */
319 for (i = 0; i < 8; i++)
320 *(buff++) = fm10k_read_reg(hw, FM10K_VFITR(i));
322 fm10k_get_reg_vsi(hw, buff, 0);
323 buff += FM10K_REGS_LEN_VSI;
325 for (i = 0; i < FM10K_MAX_QUEUES_POOL; i++) {
326 if (i < hw->mac.max_queues)
327 fm10k_get_reg_q(hw, buff, i);
329 memset(buff, 0, sizeof(u32) * FM10K_REGS_LEN_Q);
330 buff += FM10K_REGS_LEN_Q;
339 /* If function above adds more registers these define need to be updated */
340 #define FM10K_REGS_LEN_PF \
341 (162 + (65 * FM10K_REGS_LEN_VSI) + (FM10K_MAX_QUEUES_PF * FM10K_REGS_LEN_Q))
342 #define FM10K_REGS_LEN_VF \
343 (11 + FM10K_REGS_LEN_VSI + (FM10K_MAX_QUEUES_POOL * FM10K_REGS_LEN_Q))
345 static int fm10k_get_regs_len(struct net_device *netdev)
347 struct fm10k_intfc *interface = netdev_priv(netdev);
348 struct fm10k_hw *hw = &interface->hw;
350 switch (hw->mac.type) {
352 return FM10K_REGS_LEN_PF * sizeof(u32);
354 return FM10K_REGS_LEN_VF * sizeof(u32);
360 static void fm10k_get_drvinfo(struct net_device *dev,
361 struct ethtool_drvinfo *info)
363 struct fm10k_intfc *interface = netdev_priv(dev);
365 strncpy(info->driver, fm10k_driver_name,
366 sizeof(info->driver) - 1);
367 strncpy(info->version, fm10k_driver_version,
368 sizeof(info->version) - 1);
369 strncpy(info->bus_info, pci_name(interface->pdev),
370 sizeof(info->bus_info) - 1);
372 info->n_stats = FM10K_STATS_LEN;
374 info->regdump_len = fm10k_get_regs_len(dev);
377 static void fm10k_get_pauseparam(struct net_device *dev,
378 struct ethtool_pauseparam *pause)
380 struct fm10k_intfc *interface = netdev_priv(dev);
382 /* record fixed values for autoneg and tx pause */
386 pause->rx_pause = interface->rx_pause ? 1 : 0;
389 static int fm10k_set_pauseparam(struct net_device *dev,
390 struct ethtool_pauseparam *pause)
392 struct fm10k_intfc *interface = netdev_priv(dev);
393 struct fm10k_hw *hw = &interface->hw;
395 if (pause->autoneg || !pause->tx_pause)
398 /* we can only support pause on the PF to avoid head-of-line blocking */
399 if (hw->mac.type == fm10k_mac_pf)
400 interface->rx_pause = pause->rx_pause ? ~0 : 0;
401 else if (pause->rx_pause)
404 if (netif_running(dev))
405 fm10k_update_rx_drop_en(interface);
410 static u32 fm10k_get_msglevel(struct net_device *netdev)
412 struct fm10k_intfc *interface = netdev_priv(netdev);
414 return interface->msg_enable;
417 static void fm10k_set_msglevel(struct net_device *netdev, u32 data)
419 struct fm10k_intfc *interface = netdev_priv(netdev);
421 interface->msg_enable = data;
424 static void fm10k_get_ringparam(struct net_device *netdev,
425 struct ethtool_ringparam *ring)
427 struct fm10k_intfc *interface = netdev_priv(netdev);
429 ring->rx_max_pending = FM10K_MAX_RXD;
430 ring->tx_max_pending = FM10K_MAX_TXD;
431 ring->rx_mini_max_pending = 0;
432 ring->rx_jumbo_max_pending = 0;
433 ring->rx_pending = interface->rx_ring_count;
434 ring->tx_pending = interface->tx_ring_count;
435 ring->rx_mini_pending = 0;
436 ring->rx_jumbo_pending = 0;
439 static int fm10k_set_ringparam(struct net_device *netdev,
440 struct ethtool_ringparam *ring)
442 struct fm10k_intfc *interface = netdev_priv(netdev);
443 struct fm10k_ring *temp_ring;
445 u32 new_rx_count, new_tx_count;
447 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
450 new_tx_count = clamp_t(u32, ring->tx_pending,
451 FM10K_MIN_TXD, FM10K_MAX_TXD);
452 new_tx_count = ALIGN(new_tx_count, FM10K_REQ_TX_DESCRIPTOR_MULTIPLE);
454 new_rx_count = clamp_t(u32, ring->rx_pending,
455 FM10K_MIN_RXD, FM10K_MAX_RXD);
456 new_rx_count = ALIGN(new_rx_count, FM10K_REQ_RX_DESCRIPTOR_MULTIPLE);
458 if ((new_tx_count == interface->tx_ring_count) &&
459 (new_rx_count == interface->rx_ring_count)) {
464 while (test_and_set_bit(__FM10K_RESETTING, &interface->state))
465 usleep_range(1000, 2000);
467 if (!netif_running(interface->netdev)) {
468 for (i = 0; i < interface->num_tx_queues; i++)
469 interface->tx_ring[i]->count = new_tx_count;
470 for (i = 0; i < interface->num_rx_queues; i++)
471 interface->rx_ring[i]->count = new_rx_count;
472 interface->tx_ring_count = new_tx_count;
473 interface->rx_ring_count = new_rx_count;
477 /* allocate temporary buffer to store rings in */
478 i = max_t(int, interface->num_tx_queues, interface->num_rx_queues);
479 temp_ring = vmalloc(i * sizeof(struct fm10k_ring));
486 fm10k_down(interface);
488 /* Setup new Tx resources and free the old Tx resources in that order.
489 * We can then assign the new resources to the rings via a memcpy.
490 * The advantage to this approach is that we are guaranteed to still
491 * have resources even in the case of an allocation failure.
493 if (new_tx_count != interface->tx_ring_count) {
494 for (i = 0; i < interface->num_tx_queues; i++) {
495 memcpy(&temp_ring[i], interface->tx_ring[i],
496 sizeof(struct fm10k_ring));
498 temp_ring[i].count = new_tx_count;
499 err = fm10k_setup_tx_resources(&temp_ring[i]);
503 fm10k_free_tx_resources(&temp_ring[i]);
509 for (i = 0; i < interface->num_tx_queues; i++) {
510 fm10k_free_tx_resources(interface->tx_ring[i]);
512 memcpy(interface->tx_ring[i], &temp_ring[i],
513 sizeof(struct fm10k_ring));
516 interface->tx_ring_count = new_tx_count;
519 /* Repeat the process for the Rx rings if needed */
520 if (new_rx_count != interface->rx_ring_count) {
521 for (i = 0; i < interface->num_rx_queues; i++) {
522 memcpy(&temp_ring[i], interface->rx_ring[i],
523 sizeof(struct fm10k_ring));
525 temp_ring[i].count = new_rx_count;
526 err = fm10k_setup_rx_resources(&temp_ring[i]);
530 fm10k_free_rx_resources(&temp_ring[i]);
536 for (i = 0; i < interface->num_rx_queues; i++) {
537 fm10k_free_rx_resources(interface->rx_ring[i]);
539 memcpy(interface->rx_ring[i], &temp_ring[i],
540 sizeof(struct fm10k_ring));
543 interface->rx_ring_count = new_rx_count;
550 clear_bit(__FM10K_RESETTING, &interface->state);
554 static int fm10k_get_coalesce(struct net_device *dev,
555 struct ethtool_coalesce *ec)
557 struct fm10k_intfc *interface = netdev_priv(dev);
559 ec->use_adaptive_tx_coalesce =
560 !!(interface->tx_itr & FM10K_ITR_ADAPTIVE);
561 ec->tx_coalesce_usecs = interface->tx_itr & ~FM10K_ITR_ADAPTIVE;
563 ec->use_adaptive_rx_coalesce =
564 !!(interface->rx_itr & FM10K_ITR_ADAPTIVE);
565 ec->rx_coalesce_usecs = interface->rx_itr & ~FM10K_ITR_ADAPTIVE;
570 static int fm10k_set_coalesce(struct net_device *dev,
571 struct ethtool_coalesce *ec)
573 struct fm10k_intfc *interface = netdev_priv(dev);
574 struct fm10k_q_vector *qv;
579 if ((ec->rx_coalesce_usecs > FM10K_ITR_MAX) ||
580 (ec->tx_coalesce_usecs > FM10K_ITR_MAX))
583 /* record settings */
584 tx_itr = ec->tx_coalesce_usecs;
585 rx_itr = ec->rx_coalesce_usecs;
587 /* set initial values for adaptive ITR */
588 if (ec->use_adaptive_tx_coalesce)
589 tx_itr = FM10K_ITR_ADAPTIVE | FM10K_ITR_10K;
591 if (ec->use_adaptive_rx_coalesce)
592 rx_itr = FM10K_ITR_ADAPTIVE | FM10K_ITR_20K;
594 /* update interface */
595 interface->tx_itr = tx_itr;
596 interface->rx_itr = rx_itr;
598 /* update q_vectors */
599 for (i = 0; i < interface->num_q_vectors; i++) {
600 qv = interface->q_vector[i];
608 static int fm10k_get_rss_hash_opts(struct fm10k_intfc *interface,
609 struct ethtool_rxnfc *cmd)
613 /* Report default options for RSS on fm10k */
614 switch (cmd->flow_type) {
617 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
620 if (interface->flags & FM10K_FLAG_RSS_FIELD_IPV4_UDP)
621 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
633 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
636 if (interface->flags & FM10K_FLAG_RSS_FIELD_IPV6_UDP)
637 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
638 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
647 static int fm10k_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
650 struct fm10k_intfc *interface = netdev_priv(dev);
651 int ret = -EOPNOTSUPP;
654 case ETHTOOL_GRXRINGS:
655 cmd->data = interface->num_rx_queues;
659 ret = fm10k_get_rss_hash_opts(interface, cmd);
668 #define UDP_RSS_FLAGS (FM10K_FLAG_RSS_FIELD_IPV4_UDP | \
669 FM10K_FLAG_RSS_FIELD_IPV6_UDP)
670 static int fm10k_set_rss_hash_opt(struct fm10k_intfc *interface,
671 struct ethtool_rxnfc *nfc)
673 u32 flags = interface->flags;
675 /* RSS does not support anything other than hashing
676 * to queues on src and dst IPs and ports
678 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
679 RXH_L4_B_0_1 | RXH_L4_B_2_3))
682 switch (nfc->flow_type) {
685 if (!(nfc->data & RXH_IP_SRC) ||
686 !(nfc->data & RXH_IP_DST) ||
687 !(nfc->data & RXH_L4_B_0_1) ||
688 !(nfc->data & RXH_L4_B_2_3))
692 if (!(nfc->data & RXH_IP_SRC) ||
693 !(nfc->data & RXH_IP_DST))
695 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
697 flags &= ~FM10K_FLAG_RSS_FIELD_IPV4_UDP;
699 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
700 flags |= FM10K_FLAG_RSS_FIELD_IPV4_UDP;
707 if (!(nfc->data & RXH_IP_SRC) ||
708 !(nfc->data & RXH_IP_DST))
710 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
712 flags &= ~FM10K_FLAG_RSS_FIELD_IPV6_UDP;
714 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
715 flags |= FM10K_FLAG_RSS_FIELD_IPV6_UDP;
729 if (!(nfc->data & RXH_IP_SRC) ||
730 !(nfc->data & RXH_IP_DST) ||
731 (nfc->data & RXH_L4_B_0_1) ||
732 (nfc->data & RXH_L4_B_2_3))
739 /* if we changed something we need to update flags */
740 if (flags != interface->flags) {
741 struct fm10k_hw *hw = &interface->hw;
744 if ((flags & UDP_RSS_FLAGS) &&
745 !(interface->flags & UDP_RSS_FLAGS))
746 netif_warn(interface, drv, interface->netdev,
747 "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
749 interface->flags = flags;
751 /* Perform hash on these packet types */
752 mrqc = FM10K_MRQC_IPV4 |
753 FM10K_MRQC_TCP_IPV4 |
757 if (flags & FM10K_FLAG_RSS_FIELD_IPV4_UDP)
758 mrqc |= FM10K_MRQC_UDP_IPV4;
759 if (flags & FM10K_FLAG_RSS_FIELD_IPV6_UDP)
760 mrqc |= FM10K_MRQC_UDP_IPV6;
762 fm10k_write_reg(hw, FM10K_MRQC(0), mrqc);
768 static int fm10k_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
770 struct fm10k_intfc *interface = netdev_priv(dev);
771 int ret = -EOPNOTSUPP;
775 ret = fm10k_set_rss_hash_opt(interface, cmd);
784 static int fm10k_mbx_test(struct fm10k_intfc *interface, u64 *data)
786 struct fm10k_hw *hw = &interface->hw;
787 struct fm10k_mbx_info *mbx = &hw->mbx;
788 u32 attr_flag, test_msg[6];
789 unsigned long timeout;
792 /* For now this is a VF only feature */
793 if (hw->mac.type != fm10k_mac_vf)
796 /* loop through both nested and unnested attribute types */
797 for (attr_flag = (1 << FM10K_TEST_MSG_UNSET);
798 attr_flag < (1 << (2 * FM10K_TEST_MSG_NESTED));
799 attr_flag += attr_flag) {
800 /* generate message to be tested */
801 fm10k_tlv_msg_test_create(test_msg, attr_flag);
803 fm10k_mbx_lock(interface);
804 mbx->test_result = FM10K_NOT_IMPLEMENTED;
805 err = mbx->ops.enqueue_tx(hw, mbx, test_msg);
806 fm10k_mbx_unlock(interface);
808 /* wait up to 1 second for response */
809 timeout = jiffies + HZ;
814 usleep_range(500, 1000);
816 fm10k_mbx_lock(interface);
817 mbx->ops.process(hw, mbx);
818 fm10k_mbx_unlock(interface);
820 err = mbx->test_result;
823 } while (time_is_after_jiffies(timeout));
825 /* reporting errors */
831 *data = err < 0 ? (attr_flag) : (err > 0);
835 static void fm10k_self_test(struct net_device *dev,
836 struct ethtool_test *eth_test, u64 *data)
838 struct fm10k_intfc *interface = netdev_priv(dev);
839 struct fm10k_hw *hw = &interface->hw;
841 memset(data, 0, sizeof(*data) * FM10K_TEST_LEN);
843 if (FM10K_REMOVED(hw)) {
844 netif_err(interface, drv, dev,
845 "Interface removed - test blocked\n");
846 eth_test->flags |= ETH_TEST_FL_FAILED;
850 if (fm10k_mbx_test(interface, &data[FM10K_TEST_MBX]))
851 eth_test->flags |= ETH_TEST_FL_FAILED;
854 static u32 fm10k_get_reta_size(struct net_device *netdev)
856 return FM10K_RETA_SIZE * FM10K_RETA_ENTRIES_PER_REG;
859 static int fm10k_get_reta(struct net_device *netdev, u32 *indir)
861 struct fm10k_intfc *interface = netdev_priv(netdev);
867 for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
868 u32 reta = interface->reta[i];
870 indir[0] = (reta << 24) >> 24;
871 indir[1] = (reta << 16) >> 24;
872 indir[2] = (reta << 8) >> 24;
873 indir[3] = (reta) >> 24;
879 static int fm10k_set_reta(struct net_device *netdev, const u32 *indir)
881 struct fm10k_intfc *interface = netdev_priv(netdev);
882 struct fm10k_hw *hw = &interface->hw;
889 /* Verify user input. */
890 rss_i = interface->ring_feature[RING_F_RSS].indices;
891 for (i = fm10k_get_reta_size(netdev); i--;) {
892 if (indir[i] < rss_i)
897 /* record entries to reta table */
898 for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
899 u32 reta = indir[0] |
904 if (interface->reta[i] == reta)
907 interface->reta[i] = reta;
908 fm10k_write_reg(hw, FM10K_RETA(0, i), reta);
914 static u32 fm10k_get_rssrk_size(struct net_device *netdev)
916 return FM10K_RSSRK_SIZE * FM10K_RSSRK_ENTRIES_PER_REG;
919 static int fm10k_get_rssh(struct net_device *netdev, u32 *indir, u8 *key)
921 struct fm10k_intfc *interface = netdev_priv(netdev);
924 err = fm10k_get_reta(netdev, indir);
928 for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4)
929 *(__le32 *)key = cpu_to_le32(interface->rssrk[i]);
934 static int fm10k_set_rssh(struct net_device *netdev, const u32 *indir,
937 struct fm10k_intfc *interface = netdev_priv(netdev);
938 struct fm10k_hw *hw = &interface->hw;
941 err = fm10k_set_reta(netdev, indir);
945 for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4) {
946 u32 rssrk = le32_to_cpu(*(__le32 *)key);
948 if (interface->rssrk[i] == rssrk)
951 interface->rssrk[i] = rssrk;
952 fm10k_write_reg(hw, FM10K_RSSRK(0, i), rssrk);
958 static unsigned int fm10k_max_channels(struct net_device *dev)
960 struct fm10k_intfc *interface = netdev_priv(dev);
961 unsigned int max_combined = interface->hw.mac.max_queues;
962 u8 tcs = netdev_get_num_tc(dev);
964 /* For QoS report channels per traffic class */
966 max_combined = 1 << (fls(max_combined / tcs) - 1);
971 static void fm10k_get_channels(struct net_device *dev,
972 struct ethtool_channels *ch)
974 struct fm10k_intfc *interface = netdev_priv(dev);
975 struct fm10k_hw *hw = &interface->hw;
977 /* report maximum channels */
978 ch->max_combined = fm10k_max_channels(dev);
980 /* report info for other vector */
981 ch->max_other = NON_Q_VECTORS(hw);
982 ch->other_count = ch->max_other;
984 /* record RSS queues */
985 ch->combined_count = interface->ring_feature[RING_F_RSS].indices;
988 static int fm10k_set_channels(struct net_device *dev,
989 struct ethtool_channels *ch)
991 struct fm10k_intfc *interface = netdev_priv(dev);
992 unsigned int count = ch->combined_count;
993 struct fm10k_hw *hw = &interface->hw;
995 /* verify they are not requesting separate vectors */
996 if (!count || ch->rx_count || ch->tx_count)
999 /* verify other_count has not changed */
1000 if (ch->other_count != NON_Q_VECTORS(hw))
1003 /* verify the number of channels does not exceed hardware limits */
1004 if (count > fm10k_max_channels(dev))
1007 interface->ring_feature[RING_F_RSS].limit = count;
1009 /* use setup TC to update any traffic class queue mapping */
1010 return fm10k_setup_tc(dev, netdev_get_num_tc(dev));
1013 static int fm10k_get_ts_info(struct net_device *dev,
1014 struct ethtool_ts_info *info)
1016 struct fm10k_intfc *interface = netdev_priv(dev);
1018 info->so_timestamping =
1019 SOF_TIMESTAMPING_TX_SOFTWARE |
1020 SOF_TIMESTAMPING_RX_SOFTWARE |
1021 SOF_TIMESTAMPING_SOFTWARE |
1022 SOF_TIMESTAMPING_TX_HARDWARE |
1023 SOF_TIMESTAMPING_RX_HARDWARE |
1024 SOF_TIMESTAMPING_RAW_HARDWARE;
1026 if (interface->ptp_clock)
1027 info->phc_index = ptp_clock_index(interface->ptp_clock);
1029 info->phc_index = -1;
1031 info->tx_types = (1 << HWTSTAMP_TX_OFF) |
1032 (1 << HWTSTAMP_TX_ON);
1034 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
1035 (1 << HWTSTAMP_FILTER_ALL);
1040 static const struct ethtool_ops fm10k_ethtool_ops = {
1041 .get_strings = fm10k_get_strings,
1042 .get_sset_count = fm10k_get_sset_count,
1043 .get_ethtool_stats = fm10k_get_ethtool_stats,
1044 .get_drvinfo = fm10k_get_drvinfo,
1045 .get_link = ethtool_op_get_link,
1046 .get_pauseparam = fm10k_get_pauseparam,
1047 .set_pauseparam = fm10k_set_pauseparam,
1048 .get_msglevel = fm10k_get_msglevel,
1049 .set_msglevel = fm10k_set_msglevel,
1050 .get_ringparam = fm10k_get_ringparam,
1051 .set_ringparam = fm10k_set_ringparam,
1052 .get_coalesce = fm10k_get_coalesce,
1053 .set_coalesce = fm10k_set_coalesce,
1054 .get_rxnfc = fm10k_get_rxnfc,
1055 .set_rxnfc = fm10k_set_rxnfc,
1056 .get_regs = fm10k_get_regs,
1057 .get_regs_len = fm10k_get_regs_len,
1058 .self_test = fm10k_self_test,
1059 .get_rxfh_indir_size = fm10k_get_reta_size,
1060 .get_rxfh_key_size = fm10k_get_rssrk_size,
1061 .get_rxfh = fm10k_get_rssh,
1062 .set_rxfh = fm10k_set_rssh,
1063 .get_channels = fm10k_get_channels,
1064 .set_channels = fm10k_set_channels,
1065 .get_ts_info = fm10k_get_ts_info,
1068 void fm10k_set_ethtool_ops(struct net_device *dev)
1070 dev->ethtool_ops = &fm10k_ethtool_ops;