1 /* QLogic qede NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
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
32 #include <linux/module.h>
33 #include <linux/pci.h>
34 #include <linux/version.h>
35 #include <linux/device.h>
36 #include <linux/netdevice.h>
37 #include <linux/etherdevice.h>
38 #include <linux/skbuff.h>
39 #include <linux/errno.h>
40 #include <linux/list.h>
41 #include <linux/string.h>
42 #include <linux/dma-mapping.h>
43 #include <linux/interrupt.h>
44 #include <asm/byteorder.h>
45 #include <asm/param.h>
47 #include <linux/netdev_features.h>
48 #include <linux/udp.h>
49 #include <linux/tcp.h>
50 #include <net/udp_tunnel.h>
54 #include <linux/if_ether.h>
55 #include <linux/if_vlan.h>
56 #include <linux/pkt_sched.h>
57 #include <linux/ethtool.h>
59 #include <linux/random.h>
60 #include <net/ip6_checksum.h>
61 #include <linux/bitops.h>
62 #include <linux/vmalloc.h>
63 #include <linux/qed/qede_roce.h>
67 static char version
[] =
68 "QLogic FastLinQ 4xxxx Ethernet Driver qede " DRV_MODULE_VERSION
"\n";
70 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Ethernet Driver");
71 MODULE_LICENSE("GPL");
72 MODULE_VERSION(DRV_MODULE_VERSION
);
75 module_param(debug
, uint
, 0);
76 MODULE_PARM_DESC(debug
, " Default debug msglevel");
78 static const struct qed_eth_ops
*qed_ops
;
80 #define CHIP_NUM_57980S_40 0x1634
81 #define CHIP_NUM_57980S_10 0x1666
82 #define CHIP_NUM_57980S_MF 0x1636
83 #define CHIP_NUM_57980S_100 0x1644
84 #define CHIP_NUM_57980S_50 0x1654
85 #define CHIP_NUM_57980S_25 0x1656
86 #define CHIP_NUM_57980S_IOV 0x1664
87 #define CHIP_NUM_AH 0x8070
88 #define CHIP_NUM_AH_IOV 0x8090
90 #ifndef PCI_DEVICE_ID_NX2_57980E
91 #define PCI_DEVICE_ID_57980S_40 CHIP_NUM_57980S_40
92 #define PCI_DEVICE_ID_57980S_10 CHIP_NUM_57980S_10
93 #define PCI_DEVICE_ID_57980S_MF CHIP_NUM_57980S_MF
94 #define PCI_DEVICE_ID_57980S_100 CHIP_NUM_57980S_100
95 #define PCI_DEVICE_ID_57980S_50 CHIP_NUM_57980S_50
96 #define PCI_DEVICE_ID_57980S_25 CHIP_NUM_57980S_25
97 #define PCI_DEVICE_ID_57980S_IOV CHIP_NUM_57980S_IOV
98 #define PCI_DEVICE_ID_AH CHIP_NUM_AH
99 #define PCI_DEVICE_ID_AH_IOV CHIP_NUM_AH_IOV
103 enum qede_pci_private
{
108 static const struct pci_device_id qede_pci_tbl
[] = {
109 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_57980S_40
), QEDE_PRIVATE_PF
},
110 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_57980S_10
), QEDE_PRIVATE_PF
},
111 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_57980S_MF
), QEDE_PRIVATE_PF
},
112 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_57980S_100
), QEDE_PRIVATE_PF
},
113 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_57980S_50
), QEDE_PRIVATE_PF
},
114 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_57980S_25
), QEDE_PRIVATE_PF
},
115 #ifdef CONFIG_QED_SRIOV
116 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_57980S_IOV
), QEDE_PRIVATE_VF
},
118 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_AH
), QEDE_PRIVATE_PF
},
119 #ifdef CONFIG_QED_SRIOV
120 {PCI_VDEVICE(QLOGIC
, PCI_DEVICE_ID_AH_IOV
), QEDE_PRIVATE_VF
},
125 MODULE_DEVICE_TABLE(pci
, qede_pci_tbl
);
127 static int qede_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
);
129 #define TX_TIMEOUT (5 * HZ)
131 /* Utilize last protocol index for XDP */
134 static void qede_remove(struct pci_dev
*pdev
);
135 static void qede_shutdown(struct pci_dev
*pdev
);
136 static void qede_link_update(void *dev
, struct qed_link_output
*link
);
138 /* The qede lock is used to protect driver state change and driver flows that
141 void __qede_lock(struct qede_dev
*edev
)
143 mutex_lock(&edev
->qede_lock
);
146 void __qede_unlock(struct qede_dev
*edev
)
148 mutex_unlock(&edev
->qede_lock
);
151 #ifdef CONFIG_QED_SRIOV
152 static int qede_set_vf_vlan(struct net_device
*ndev
, int vf
, u16 vlan
, u8 qos
,
155 struct qede_dev
*edev
= netdev_priv(ndev
);
158 DP_NOTICE(edev
, "Illegal vlan value %d\n", vlan
);
162 if (vlan_proto
!= htons(ETH_P_8021Q
))
163 return -EPROTONOSUPPORT
;
165 DP_VERBOSE(edev
, QED_MSG_IOV
, "Setting Vlan 0x%04x to VF [%d]\n",
168 return edev
->ops
->iov
->set_vlan(edev
->cdev
, vlan
, vf
);
171 static int qede_set_vf_mac(struct net_device
*ndev
, int vfidx
, u8
*mac
)
173 struct qede_dev
*edev
= netdev_priv(ndev
);
175 DP_VERBOSE(edev
, QED_MSG_IOV
,
176 "Setting MAC %02x:%02x:%02x:%02x:%02x:%02x to VF [%d]\n",
177 mac
[0], mac
[1], mac
[2], mac
[3], mac
[4], mac
[5], vfidx
);
179 if (!is_valid_ether_addr(mac
)) {
180 DP_VERBOSE(edev
, QED_MSG_IOV
, "MAC address isn't valid\n");
184 return edev
->ops
->iov
->set_mac(edev
->cdev
, mac
, vfidx
);
187 static int qede_sriov_configure(struct pci_dev
*pdev
, int num_vfs_param
)
189 struct qede_dev
*edev
= netdev_priv(pci_get_drvdata(pdev
));
190 struct qed_dev_info
*qed_info
= &edev
->dev_info
.common
;
191 struct qed_update_vport_params
*vport_params
;
194 vport_params
= vzalloc(sizeof(*vport_params
));
197 DP_VERBOSE(edev
, QED_MSG_IOV
, "Requested %d VFs\n", num_vfs_param
);
199 rc
= edev
->ops
->iov
->configure(edev
->cdev
, num_vfs_param
);
201 /* Enable/Disable Tx switching for PF */
202 if ((rc
== num_vfs_param
) && netif_running(edev
->ndev
) &&
203 qed_info
->mf_mode
!= QED_MF_NPAR
&& qed_info
->tx_switching
) {
204 vport_params
->vport_id
= 0;
205 vport_params
->update_tx_switching_flg
= 1;
206 vport_params
->tx_switching_flg
= num_vfs_param
? 1 : 0;
207 edev
->ops
->vport_update(edev
->cdev
, vport_params
);
215 static struct pci_driver qede_pci_driver
= {
217 .id_table
= qede_pci_tbl
,
219 .remove
= qede_remove
,
220 .shutdown
= qede_shutdown
,
221 #ifdef CONFIG_QED_SRIOV
222 .sriov_configure
= qede_sriov_configure
,
226 static struct qed_eth_cb_ops qede_ll_ops
= {
228 #ifdef CONFIG_RFS_ACCEL
229 .arfs_filter_op
= qede_arfs_filter_op
,
231 .link_update
= qede_link_update
,
233 .force_mac
= qede_force_mac
,
234 .ports_update
= qede_udp_ports_update
,
237 static int qede_netdev_event(struct notifier_block
*this, unsigned long event
,
240 struct net_device
*ndev
= netdev_notifier_info_to_dev(ptr
);
241 struct ethtool_drvinfo drvinfo
;
242 struct qede_dev
*edev
;
244 if (event
!= NETDEV_CHANGENAME
&& event
!= NETDEV_CHANGEADDR
)
247 /* Check whether this is a qede device */
248 if (!ndev
|| !ndev
->ethtool_ops
|| !ndev
->ethtool_ops
->get_drvinfo
)
251 memset(&drvinfo
, 0, sizeof(drvinfo
));
252 ndev
->ethtool_ops
->get_drvinfo(ndev
, &drvinfo
);
253 if (strcmp(drvinfo
.driver
, "qede"))
255 edev
= netdev_priv(ndev
);
258 case NETDEV_CHANGENAME
:
259 /* Notify qed of the name change */
260 if (!edev
->ops
|| !edev
->ops
->common
)
262 edev
->ops
->common
->set_id(edev
->cdev
, edev
->ndev
->name
, "qede");
264 case NETDEV_CHANGEADDR
:
265 edev
= netdev_priv(ndev
);
266 qede_roce_event_changeaddr(edev
);
274 static struct notifier_block qede_netdev_notifier
= {
275 .notifier_call
= qede_netdev_event
,
279 int __init
qede_init(void)
283 pr_info("qede_init: %s\n", version
);
285 qed_ops
= qed_get_eth_ops();
287 pr_notice("Failed to get qed ethtool operations\n");
291 /* Must register notifier before pci ops, since we might miss
292 * interface rename after pci probe and netdev registeration.
294 ret
= register_netdevice_notifier(&qede_netdev_notifier
);
296 pr_notice("Failed to register netdevice_notifier\n");
301 ret
= pci_register_driver(&qede_pci_driver
);
303 pr_notice("Failed to register driver\n");
304 unregister_netdevice_notifier(&qede_netdev_notifier
);
312 static void __exit
qede_cleanup(void)
314 if (debug
& QED_LOG_INFO_MASK
)
315 pr_info("qede_cleanup called\n");
317 unregister_netdevice_notifier(&qede_netdev_notifier
);
318 pci_unregister_driver(&qede_pci_driver
);
322 module_init(qede_init
);
323 module_exit(qede_cleanup
);
325 static int qede_open(struct net_device
*ndev
);
326 static int qede_close(struct net_device
*ndev
);
328 void qede_fill_by_demand_stats(struct qede_dev
*edev
)
330 struct qede_stats_common
*p_common
= &edev
->stats
.common
;
331 struct qed_eth_stats stats
;
333 edev
->ops
->get_vport_stats(edev
->cdev
, &stats
);
335 p_common
->no_buff_discards
= stats
.common
.no_buff_discards
;
336 p_common
->packet_too_big_discard
= stats
.common
.packet_too_big_discard
;
337 p_common
->ttl0_discard
= stats
.common
.ttl0_discard
;
338 p_common
->rx_ucast_bytes
= stats
.common
.rx_ucast_bytes
;
339 p_common
->rx_mcast_bytes
= stats
.common
.rx_mcast_bytes
;
340 p_common
->rx_bcast_bytes
= stats
.common
.rx_bcast_bytes
;
341 p_common
->rx_ucast_pkts
= stats
.common
.rx_ucast_pkts
;
342 p_common
->rx_mcast_pkts
= stats
.common
.rx_mcast_pkts
;
343 p_common
->rx_bcast_pkts
= stats
.common
.rx_bcast_pkts
;
344 p_common
->mftag_filter_discards
= stats
.common
.mftag_filter_discards
;
345 p_common
->mac_filter_discards
= stats
.common
.mac_filter_discards
;
347 p_common
->tx_ucast_bytes
= stats
.common
.tx_ucast_bytes
;
348 p_common
->tx_mcast_bytes
= stats
.common
.tx_mcast_bytes
;
349 p_common
->tx_bcast_bytes
= stats
.common
.tx_bcast_bytes
;
350 p_common
->tx_ucast_pkts
= stats
.common
.tx_ucast_pkts
;
351 p_common
->tx_mcast_pkts
= stats
.common
.tx_mcast_pkts
;
352 p_common
->tx_bcast_pkts
= stats
.common
.tx_bcast_pkts
;
353 p_common
->tx_err_drop_pkts
= stats
.common
.tx_err_drop_pkts
;
354 p_common
->coalesced_pkts
= stats
.common
.tpa_coalesced_pkts
;
355 p_common
->coalesced_events
= stats
.common
.tpa_coalesced_events
;
356 p_common
->coalesced_aborts_num
= stats
.common
.tpa_aborts_num
;
357 p_common
->non_coalesced_pkts
= stats
.common
.tpa_not_coalesced_pkts
;
358 p_common
->coalesced_bytes
= stats
.common
.tpa_coalesced_bytes
;
360 p_common
->rx_64_byte_packets
= stats
.common
.rx_64_byte_packets
;
361 p_common
->rx_65_to_127_byte_packets
=
362 stats
.common
.rx_65_to_127_byte_packets
;
363 p_common
->rx_128_to_255_byte_packets
=
364 stats
.common
.rx_128_to_255_byte_packets
;
365 p_common
->rx_256_to_511_byte_packets
=
366 stats
.common
.rx_256_to_511_byte_packets
;
367 p_common
->rx_512_to_1023_byte_packets
=
368 stats
.common
.rx_512_to_1023_byte_packets
;
369 p_common
->rx_1024_to_1518_byte_packets
=
370 stats
.common
.rx_1024_to_1518_byte_packets
;
371 p_common
->rx_crc_errors
= stats
.common
.rx_crc_errors
;
372 p_common
->rx_mac_crtl_frames
= stats
.common
.rx_mac_crtl_frames
;
373 p_common
->rx_pause_frames
= stats
.common
.rx_pause_frames
;
374 p_common
->rx_pfc_frames
= stats
.common
.rx_pfc_frames
;
375 p_common
->rx_align_errors
= stats
.common
.rx_align_errors
;
376 p_common
->rx_carrier_errors
= stats
.common
.rx_carrier_errors
;
377 p_common
->rx_oversize_packets
= stats
.common
.rx_oversize_packets
;
378 p_common
->rx_jabbers
= stats
.common
.rx_jabbers
;
379 p_common
->rx_undersize_packets
= stats
.common
.rx_undersize_packets
;
380 p_common
->rx_fragments
= stats
.common
.rx_fragments
;
381 p_common
->tx_64_byte_packets
= stats
.common
.tx_64_byte_packets
;
382 p_common
->tx_65_to_127_byte_packets
=
383 stats
.common
.tx_65_to_127_byte_packets
;
384 p_common
->tx_128_to_255_byte_packets
=
385 stats
.common
.tx_128_to_255_byte_packets
;
386 p_common
->tx_256_to_511_byte_packets
=
387 stats
.common
.tx_256_to_511_byte_packets
;
388 p_common
->tx_512_to_1023_byte_packets
=
389 stats
.common
.tx_512_to_1023_byte_packets
;
390 p_common
->tx_1024_to_1518_byte_packets
=
391 stats
.common
.tx_1024_to_1518_byte_packets
;
392 p_common
->tx_pause_frames
= stats
.common
.tx_pause_frames
;
393 p_common
->tx_pfc_frames
= stats
.common
.tx_pfc_frames
;
394 p_common
->brb_truncates
= stats
.common
.brb_truncates
;
395 p_common
->brb_discards
= stats
.common
.brb_discards
;
396 p_common
->tx_mac_ctrl_frames
= stats
.common
.tx_mac_ctrl_frames
;
398 if (QEDE_IS_BB(edev
)) {
399 struct qede_stats_bb
*p_bb
= &edev
->stats
.bb
;
401 p_bb
->rx_1519_to_1522_byte_packets
=
402 stats
.bb
.rx_1519_to_1522_byte_packets
;
403 p_bb
->rx_1519_to_2047_byte_packets
=
404 stats
.bb
.rx_1519_to_2047_byte_packets
;
405 p_bb
->rx_2048_to_4095_byte_packets
=
406 stats
.bb
.rx_2048_to_4095_byte_packets
;
407 p_bb
->rx_4096_to_9216_byte_packets
=
408 stats
.bb
.rx_4096_to_9216_byte_packets
;
409 p_bb
->rx_9217_to_16383_byte_packets
=
410 stats
.bb
.rx_9217_to_16383_byte_packets
;
411 p_bb
->tx_1519_to_2047_byte_packets
=
412 stats
.bb
.tx_1519_to_2047_byte_packets
;
413 p_bb
->tx_2048_to_4095_byte_packets
=
414 stats
.bb
.tx_2048_to_4095_byte_packets
;
415 p_bb
->tx_4096_to_9216_byte_packets
=
416 stats
.bb
.tx_4096_to_9216_byte_packets
;
417 p_bb
->tx_9217_to_16383_byte_packets
=
418 stats
.bb
.tx_9217_to_16383_byte_packets
;
419 p_bb
->tx_lpi_entry_count
= stats
.bb
.tx_lpi_entry_count
;
420 p_bb
->tx_total_collisions
= stats
.bb
.tx_total_collisions
;
422 struct qede_stats_ah
*p_ah
= &edev
->stats
.ah
;
424 p_ah
->rx_1519_to_max_byte_packets
=
425 stats
.ah
.rx_1519_to_max_byte_packets
;
426 p_ah
->tx_1519_to_max_byte_packets
=
427 stats
.ah
.tx_1519_to_max_byte_packets
;
431 static void qede_get_stats64(struct net_device
*dev
,
432 struct rtnl_link_stats64
*stats
)
434 struct qede_dev
*edev
= netdev_priv(dev
);
435 struct qede_stats_common
*p_common
;
437 qede_fill_by_demand_stats(edev
);
438 p_common
= &edev
->stats
.common
;
440 stats
->rx_packets
= p_common
->rx_ucast_pkts
+ p_common
->rx_mcast_pkts
+
441 p_common
->rx_bcast_pkts
;
442 stats
->tx_packets
= p_common
->tx_ucast_pkts
+ p_common
->tx_mcast_pkts
+
443 p_common
->tx_bcast_pkts
;
445 stats
->rx_bytes
= p_common
->rx_ucast_bytes
+ p_common
->rx_mcast_bytes
+
446 p_common
->rx_bcast_bytes
;
447 stats
->tx_bytes
= p_common
->tx_ucast_bytes
+ p_common
->tx_mcast_bytes
+
448 p_common
->tx_bcast_bytes
;
450 stats
->tx_errors
= p_common
->tx_err_drop_pkts
;
451 stats
->multicast
= p_common
->rx_mcast_pkts
+ p_common
->rx_bcast_pkts
;
453 stats
->rx_fifo_errors
= p_common
->no_buff_discards
;
455 if (QEDE_IS_BB(edev
))
456 stats
->collisions
= edev
->stats
.bb
.tx_total_collisions
;
457 stats
->rx_crc_errors
= p_common
->rx_crc_errors
;
458 stats
->rx_frame_errors
= p_common
->rx_align_errors
;
461 #ifdef CONFIG_QED_SRIOV
462 static int qede_get_vf_config(struct net_device
*dev
, int vfidx
,
463 struct ifla_vf_info
*ivi
)
465 struct qede_dev
*edev
= netdev_priv(dev
);
470 return edev
->ops
->iov
->get_config(edev
->cdev
, vfidx
, ivi
);
473 static int qede_set_vf_rate(struct net_device
*dev
, int vfidx
,
474 int min_tx_rate
, int max_tx_rate
)
476 struct qede_dev
*edev
= netdev_priv(dev
);
478 return edev
->ops
->iov
->set_rate(edev
->cdev
, vfidx
, min_tx_rate
,
482 static int qede_set_vf_spoofchk(struct net_device
*dev
, int vfidx
, bool val
)
484 struct qede_dev
*edev
= netdev_priv(dev
);
489 return edev
->ops
->iov
->set_spoof(edev
->cdev
, vfidx
, val
);
492 static int qede_set_vf_link_state(struct net_device
*dev
, int vfidx
,
495 struct qede_dev
*edev
= netdev_priv(dev
);
500 return edev
->ops
->iov
->set_link_state(edev
->cdev
, vfidx
, link_state
);
503 static int qede_set_vf_trust(struct net_device
*dev
, int vfidx
, bool setting
)
505 struct qede_dev
*edev
= netdev_priv(dev
);
510 return edev
->ops
->iov
->set_trust(edev
->cdev
, vfidx
, setting
);
514 static int qede_ioctl(struct net_device
*dev
, struct ifreq
*ifr
, int cmd
)
516 struct qede_dev
*edev
= netdev_priv(dev
);
518 if (!netif_running(dev
))
523 return qede_ptp_hw_ts(edev
, ifr
);
525 DP_VERBOSE(edev
, QED_MSG_DEBUG
,
526 "default IOCTL cmd 0x%x\n", cmd
);
533 static const struct net_device_ops qede_netdev_ops
= {
534 .ndo_open
= qede_open
,
535 .ndo_stop
= qede_close
,
536 .ndo_start_xmit
= qede_start_xmit
,
537 .ndo_set_rx_mode
= qede_set_rx_mode
,
538 .ndo_set_mac_address
= qede_set_mac_addr
,
539 .ndo_validate_addr
= eth_validate_addr
,
540 .ndo_change_mtu
= qede_change_mtu
,
541 .ndo_do_ioctl
= qede_ioctl
,
542 #ifdef CONFIG_QED_SRIOV
543 .ndo_set_vf_mac
= qede_set_vf_mac
,
544 .ndo_set_vf_vlan
= qede_set_vf_vlan
,
545 .ndo_set_vf_trust
= qede_set_vf_trust
,
547 .ndo_vlan_rx_add_vid
= qede_vlan_rx_add_vid
,
548 .ndo_vlan_rx_kill_vid
= qede_vlan_rx_kill_vid
,
549 .ndo_set_features
= qede_set_features
,
550 .ndo_get_stats64
= qede_get_stats64
,
551 #ifdef CONFIG_QED_SRIOV
552 .ndo_set_vf_link_state
= qede_set_vf_link_state
,
553 .ndo_set_vf_spoofchk
= qede_set_vf_spoofchk
,
554 .ndo_get_vf_config
= qede_get_vf_config
,
555 .ndo_set_vf_rate
= qede_set_vf_rate
,
557 .ndo_udp_tunnel_add
= qede_udp_tunnel_add
,
558 .ndo_udp_tunnel_del
= qede_udp_tunnel_del
,
559 .ndo_features_check
= qede_features_check
,
561 #ifdef CONFIG_RFS_ACCEL
562 .ndo_rx_flow_steer
= qede_rx_flow_steer
,
566 static const struct net_device_ops qede_netdev_vf_ops
= {
567 .ndo_open
= qede_open
,
568 .ndo_stop
= qede_close
,
569 .ndo_start_xmit
= qede_start_xmit
,
570 .ndo_set_rx_mode
= qede_set_rx_mode
,
571 .ndo_set_mac_address
= qede_set_mac_addr
,
572 .ndo_validate_addr
= eth_validate_addr
,
573 .ndo_change_mtu
= qede_change_mtu
,
574 .ndo_vlan_rx_add_vid
= qede_vlan_rx_add_vid
,
575 .ndo_vlan_rx_kill_vid
= qede_vlan_rx_kill_vid
,
576 .ndo_set_features
= qede_set_features
,
577 .ndo_get_stats64
= qede_get_stats64
,
578 .ndo_udp_tunnel_add
= qede_udp_tunnel_add
,
579 .ndo_udp_tunnel_del
= qede_udp_tunnel_del
,
580 .ndo_features_check
= qede_features_check
,
583 /* -------------------------------------------------------------------------
584 * START OF PROBE / REMOVE
585 * -------------------------------------------------------------------------
588 static struct qede_dev
*qede_alloc_etherdev(struct qed_dev
*cdev
,
589 struct pci_dev
*pdev
,
590 struct qed_dev_eth_info
*info
,
591 u32 dp_module
, u8 dp_level
)
593 struct net_device
*ndev
;
594 struct qede_dev
*edev
;
596 ndev
= alloc_etherdev_mqs(sizeof(*edev
),
597 info
->num_queues
, info
->num_queues
);
599 pr_err("etherdev allocation failed\n");
603 edev
= netdev_priv(ndev
);
607 edev
->dp_module
= dp_module
;
608 edev
->dp_level
= dp_level
;
610 edev
->q_num_rx_buffers
= NUM_RX_BDS_DEF
;
611 edev
->q_num_tx_buffers
= NUM_TX_BDS_DEF
;
613 DP_INFO(edev
, "Allocated netdev with %d tx queues and %d rx queues\n",
614 info
->num_queues
, info
->num_queues
);
616 SET_NETDEV_DEV(ndev
, &pdev
->dev
);
618 memset(&edev
->stats
, 0, sizeof(edev
->stats
));
619 memcpy(&edev
->dev_info
, info
, sizeof(*info
));
621 INIT_LIST_HEAD(&edev
->vlan_list
);
626 static void qede_init_ndev(struct qede_dev
*edev
)
628 struct net_device
*ndev
= edev
->ndev
;
629 struct pci_dev
*pdev
= edev
->pdev
;
630 bool udp_tunnel_enable
= false;
631 netdev_features_t hw_features
;
633 pci_set_drvdata(pdev
, ndev
);
635 ndev
->mem_start
= edev
->dev_info
.common
.pci_mem_start
;
636 ndev
->base_addr
= ndev
->mem_start
;
637 ndev
->mem_end
= edev
->dev_info
.common
.pci_mem_end
;
638 ndev
->irq
= edev
->dev_info
.common
.pci_irq
;
640 ndev
->watchdog_timeo
= TX_TIMEOUT
;
643 ndev
->netdev_ops
= &qede_netdev_vf_ops
;
645 ndev
->netdev_ops
= &qede_netdev_ops
;
647 qede_set_ethtool_ops(ndev
);
649 ndev
->priv_flags
|= IFF_UNICAST_FLT
;
651 /* user-changeble features */
652 hw_features
= NETIF_F_GRO
| NETIF_F_SG
|
653 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
654 NETIF_F_TSO
| NETIF_F_TSO6
;
656 if (!IS_VF(edev
) && edev
->dev_info
.common
.num_hwfns
== 1)
657 hw_features
|= NETIF_F_NTUPLE
;
659 if (edev
->dev_info
.common
.vxlan_enable
||
660 edev
->dev_info
.common
.geneve_enable
)
661 udp_tunnel_enable
= true;
663 if (udp_tunnel_enable
|| edev
->dev_info
.common
.gre_enable
) {
664 hw_features
|= NETIF_F_TSO_ECN
;
665 ndev
->hw_enc_features
= NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
666 NETIF_F_SG
| NETIF_F_TSO
|
667 NETIF_F_TSO_ECN
| NETIF_F_TSO6
|
671 if (udp_tunnel_enable
) {
672 hw_features
|= (NETIF_F_GSO_UDP_TUNNEL
|
673 NETIF_F_GSO_UDP_TUNNEL_CSUM
);
674 ndev
->hw_enc_features
|= (NETIF_F_GSO_UDP_TUNNEL
|
675 NETIF_F_GSO_UDP_TUNNEL_CSUM
);
678 if (edev
->dev_info
.common
.gre_enable
) {
679 hw_features
|= (NETIF_F_GSO_GRE
| NETIF_F_GSO_GRE_CSUM
);
680 ndev
->hw_enc_features
|= (NETIF_F_GSO_GRE
|
681 NETIF_F_GSO_GRE_CSUM
);
684 ndev
->vlan_features
= hw_features
| NETIF_F_RXHASH
| NETIF_F_RXCSUM
|
686 ndev
->features
= hw_features
| NETIF_F_RXHASH
| NETIF_F_RXCSUM
|
687 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HIGHDMA
|
688 NETIF_F_HW_VLAN_CTAG_FILTER
| NETIF_F_HW_VLAN_CTAG_TX
;
690 ndev
->hw_features
= hw_features
;
692 /* MTU range: 46 - 9600 */
693 ndev
->min_mtu
= ETH_ZLEN
- ETH_HLEN
;
694 ndev
->max_mtu
= QEDE_MAX_JUMBO_PACKET_SIZE
;
696 /* Set network device HW mac */
697 ether_addr_copy(edev
->ndev
->dev_addr
, edev
->dev_info
.common
.hw_mac
);
699 ndev
->mtu
= edev
->dev_info
.common
.mtu
;
702 /* This function converts from 32b param to two params of level and module
703 * Input 32b decoding:
704 * b31 - enable all NOTICE prints. NOTICE prints are for deviation from the
705 * 'happy' flow, e.g. memory allocation failed.
706 * b30 - enable all INFO prints. INFO prints are for major steps in the flow
707 * and provide important parameters.
708 * b29-b0 - per-module bitmap, where each bit enables VERBOSE prints of that
709 * module. VERBOSE prints are for tracking the specific flow in low level.
711 * Notice that the level should be that of the lowest required logs.
713 void qede_config_debug(uint debug
, u32
*p_dp_module
, u8
*p_dp_level
)
715 *p_dp_level
= QED_LEVEL_NOTICE
;
718 if (debug
& QED_LOG_VERBOSE_MASK
) {
719 *p_dp_level
= QED_LEVEL_VERBOSE
;
720 *p_dp_module
= (debug
& 0x3FFFFFFF);
721 } else if (debug
& QED_LOG_INFO_MASK
) {
722 *p_dp_level
= QED_LEVEL_INFO
;
723 } else if (debug
& QED_LOG_NOTICE_MASK
) {
724 *p_dp_level
= QED_LEVEL_NOTICE
;
728 static void qede_free_fp_array(struct qede_dev
*edev
)
730 if (edev
->fp_array
) {
731 struct qede_fastpath
*fp
;
735 fp
= &edev
->fp_array
[i
];
742 kfree(edev
->fp_array
);
745 edev
->num_queues
= 0;
750 static int qede_alloc_fp_array(struct qede_dev
*edev
)
752 u8 fp_combined
, fp_rx
= edev
->fp_num_rx
;
753 struct qede_fastpath
*fp
;
756 edev
->fp_array
= kcalloc(QEDE_QUEUE_CNT(edev
),
757 sizeof(*edev
->fp_array
), GFP_KERNEL
);
758 if (!edev
->fp_array
) {
759 DP_NOTICE(edev
, "fp array allocation failed\n");
763 fp_combined
= QEDE_QUEUE_CNT(edev
) - fp_rx
- edev
->fp_num_tx
;
765 /* Allocate the FP elements for Rx queues followed by combined and then
766 * the Tx. This ordering should be maintained so that the respective
767 * queues (Rx or Tx) will be together in the fastpath array and the
768 * associated ids will be sequential.
771 fp
= &edev
->fp_array
[i
];
773 fp
->sb_info
= kzalloc(sizeof(*fp
->sb_info
), GFP_KERNEL
);
775 DP_NOTICE(edev
, "sb info struct allocation failed\n");
780 fp
->type
= QEDE_FASTPATH_RX
;
782 } else if (fp_combined
) {
783 fp
->type
= QEDE_FASTPATH_COMBINED
;
786 fp
->type
= QEDE_FASTPATH_TX
;
789 if (fp
->type
& QEDE_FASTPATH_TX
) {
790 fp
->txq
= kzalloc(sizeof(*fp
->txq
), GFP_KERNEL
);
795 if (fp
->type
& QEDE_FASTPATH_RX
) {
796 fp
->rxq
= kzalloc(sizeof(*fp
->rxq
), GFP_KERNEL
);
800 if (edev
->xdp_prog
) {
801 fp
->xdp_tx
= kzalloc(sizeof(*fp
->xdp_tx
),
805 fp
->type
|= QEDE_FASTPATH_XDP
;
812 qede_free_fp_array(edev
);
816 static void qede_sp_task(struct work_struct
*work
)
818 struct qede_dev
*edev
= container_of(work
, struct qede_dev
,
823 if (test_and_clear_bit(QEDE_SP_RX_MODE
, &edev
->sp_flags
))
824 if (edev
->state
== QEDE_STATE_OPEN
)
825 qede_config_rx_mode(edev
->ndev
);
827 #ifdef CONFIG_RFS_ACCEL
828 if (test_and_clear_bit(QEDE_SP_ARFS_CONFIG
, &edev
->sp_flags
)) {
829 if (edev
->state
== QEDE_STATE_OPEN
)
830 qede_process_arfs_filters(edev
, false);
836 static void qede_update_pf_params(struct qed_dev
*cdev
)
838 struct qed_pf_params pf_params
;
840 /* 64 rx + 64 tx + 64 XDP */
841 memset(&pf_params
, 0, sizeof(struct qed_pf_params
));
842 pf_params
.eth_pf_params
.num_cons
= (MAX_SB_PER_PF_MIMD
- 1) * 3;
843 #ifdef CONFIG_RFS_ACCEL
844 pf_params
.eth_pf_params
.num_arfs_filters
= QEDE_RFS_MAX_FLTR
;
846 qed_ops
->common
->update_pf_params(cdev
, &pf_params
);
849 enum qede_probe_mode
{
853 static int __qede_probe(struct pci_dev
*pdev
, u32 dp_module
, u8 dp_level
,
854 bool is_vf
, enum qede_probe_mode mode
)
856 struct qed_probe_params probe_params
;
857 struct qed_slowpath_params sp_params
;
858 struct qed_dev_eth_info dev_info
;
859 struct qede_dev
*edev
;
860 struct qed_dev
*cdev
;
863 if (unlikely(dp_level
& QED_LEVEL_INFO
))
864 pr_notice("Starting qede probe\n");
866 memset(&probe_params
, 0, sizeof(probe_params
));
867 probe_params
.protocol
= QED_PROTOCOL_ETH
;
868 probe_params
.dp_module
= dp_module
;
869 probe_params
.dp_level
= dp_level
;
870 probe_params
.is_vf
= is_vf
;
871 cdev
= qed_ops
->common
->probe(pdev
, &probe_params
);
877 qede_update_pf_params(cdev
);
879 /* Start the Slowpath-process */
880 memset(&sp_params
, 0, sizeof(sp_params
));
881 sp_params
.int_mode
= QED_INT_MODE_MSIX
;
882 sp_params
.drv_major
= QEDE_MAJOR_VERSION
;
883 sp_params
.drv_minor
= QEDE_MINOR_VERSION
;
884 sp_params
.drv_rev
= QEDE_REVISION_VERSION
;
885 sp_params
.drv_eng
= QEDE_ENGINEERING_VERSION
;
886 strlcpy(sp_params
.name
, "qede LAN", QED_DRV_VER_STR_SIZE
);
887 rc
= qed_ops
->common
->slowpath_start(cdev
, &sp_params
);
889 pr_notice("Cannot start slowpath\n");
893 /* Learn information crucial for qede to progress */
894 rc
= qed_ops
->fill_dev_info(cdev
, &dev_info
);
898 edev
= qede_alloc_etherdev(cdev
, pdev
, &dev_info
, dp_module
,
906 edev
->flags
|= QEDE_FLAG_IS_VF
;
908 qede_init_ndev(edev
);
910 rc
= qede_roce_dev_add(edev
);
914 /* Prepare the lock prior to the registeration of the netdev,
915 * as once it's registered we might reach flows requiring it
916 * [it's even possible to reach a flow needing it directly
917 * from there, although it's unlikely].
919 INIT_DELAYED_WORK(&edev
->sp_task
, qede_sp_task
);
920 mutex_init(&edev
->qede_lock
);
921 rc
= register_netdev(edev
->ndev
);
923 DP_NOTICE(edev
, "Cannot register net-device\n");
927 edev
->ops
->common
->set_id(cdev
, edev
->ndev
->name
, DRV_MODULE_VERSION
);
929 /* PTP not supported on VFs */
931 qede_ptp_enable(edev
, true);
933 edev
->ops
->register_ops(cdev
, &qede_ll_ops
, edev
);
937 qede_set_dcbnl_ops(edev
->ndev
);
940 edev
->rx_copybreak
= QEDE_RX_HDR_SIZE
;
942 DP_INFO(edev
, "Ending successfully qede probe\n");
947 qede_roce_dev_remove(edev
);
949 free_netdev(edev
->ndev
);
951 qed_ops
->common
->slowpath_stop(cdev
);
953 qed_ops
->common
->remove(cdev
);
958 static int qede_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
964 switch ((enum qede_pci_private
)id
->driver_data
) {
965 case QEDE_PRIVATE_VF
:
966 if (debug
& QED_LOG_VERBOSE_MASK
)
967 dev_err(&pdev
->dev
, "Probing a VF\n");
971 if (debug
& QED_LOG_VERBOSE_MASK
)
972 dev_err(&pdev
->dev
, "Probing a PF\n");
975 qede_config_debug(debug
, &dp_module
, &dp_level
);
977 return __qede_probe(pdev
, dp_module
, dp_level
, is_vf
,
981 enum qede_remove_mode
{
985 static void __qede_remove(struct pci_dev
*pdev
, enum qede_remove_mode mode
)
987 struct net_device
*ndev
= pci_get_drvdata(pdev
);
988 struct qede_dev
*edev
= netdev_priv(ndev
);
989 struct qed_dev
*cdev
= edev
->cdev
;
991 DP_INFO(edev
, "Starting qede_remove\n");
993 unregister_netdev(ndev
);
994 cancel_delayed_work_sync(&edev
->sp_task
);
996 qede_ptp_disable(edev
);
998 qede_roce_dev_remove(edev
);
1000 edev
->ops
->common
->set_power_state(cdev
, PCI_D0
);
1002 pci_set_drvdata(pdev
, NULL
);
1004 /* Release edev's reference to XDP's bpf if such exist */
1006 bpf_prog_put(edev
->xdp_prog
);
1008 /* Use global ops since we've freed edev */
1009 qed_ops
->common
->slowpath_stop(cdev
);
1010 if (system_state
== SYSTEM_POWER_OFF
)
1012 qed_ops
->common
->remove(cdev
);
1014 /* Since this can happen out-of-sync with other flows,
1015 * don't release the netdevice until after slowpath stop
1016 * has been called to guarantee various other contexts
1017 * [e.g., QED register callbacks] won't break anything when
1018 * accessing the netdevice.
1022 dev_info(&pdev
->dev
, "Ending qede_remove successfully\n");
1025 static void qede_remove(struct pci_dev
*pdev
)
1027 __qede_remove(pdev
, QEDE_REMOVE_NORMAL
);
1030 static void qede_shutdown(struct pci_dev
*pdev
)
1032 __qede_remove(pdev
, QEDE_REMOVE_NORMAL
);
1035 /* -------------------------------------------------------------------------
1036 * START OF LOAD / UNLOAD
1037 * -------------------------------------------------------------------------
1040 static int qede_set_num_queues(struct qede_dev
*edev
)
1045 /* Setup queues according to possible resources*/
1046 if (edev
->req_queues
)
1047 rss_num
= edev
->req_queues
;
1049 rss_num
= netif_get_num_default_rss_queues() *
1050 edev
->dev_info
.common
.num_hwfns
;
1052 rss_num
= min_t(u16
, QEDE_MAX_RSS_CNT(edev
), rss_num
);
1054 rc
= edev
->ops
->common
->set_fp_int(edev
->cdev
, rss_num
);
1056 /* Managed to request interrupts for our queues */
1057 edev
->num_queues
= rc
;
1058 DP_INFO(edev
, "Managed %d [of %d] RSS queues\n",
1059 QEDE_QUEUE_CNT(edev
), rss_num
);
1063 edev
->fp_num_tx
= edev
->req_num_tx
;
1064 edev
->fp_num_rx
= edev
->req_num_rx
;
1069 static void qede_free_mem_sb(struct qede_dev
*edev
,
1070 struct qed_sb_info
*sb_info
)
1072 if (sb_info
->sb_virt
)
1073 dma_free_coherent(&edev
->pdev
->dev
, sizeof(*sb_info
->sb_virt
),
1074 (void *)sb_info
->sb_virt
, sb_info
->sb_phys
);
1077 /* This function allocates fast-path status block memory */
1078 static int qede_alloc_mem_sb(struct qede_dev
*edev
,
1079 struct qed_sb_info
*sb_info
, u16 sb_id
)
1081 struct status_block
*sb_virt
;
1085 sb_virt
= dma_alloc_coherent(&edev
->pdev
->dev
,
1086 sizeof(*sb_virt
), &sb_phys
, GFP_KERNEL
);
1088 DP_ERR(edev
, "Status block allocation failed\n");
1092 rc
= edev
->ops
->common
->sb_init(edev
->cdev
, sb_info
,
1093 sb_virt
, sb_phys
, sb_id
,
1094 QED_SB_TYPE_L2_QUEUE
);
1096 DP_ERR(edev
, "Status block initialization failed\n");
1097 dma_free_coherent(&edev
->pdev
->dev
, sizeof(*sb_virt
),
1105 static void qede_free_rx_buffers(struct qede_dev
*edev
,
1106 struct qede_rx_queue
*rxq
)
1110 for (i
= rxq
->sw_rx_cons
; i
!= rxq
->sw_rx_prod
; i
++) {
1111 struct sw_rx_data
*rx_buf
;
1114 rx_buf
= &rxq
->sw_rx_ring
[i
& NUM_RX_BDS_MAX
];
1115 data
= rx_buf
->data
;
1117 dma_unmap_page(&edev
->pdev
->dev
,
1118 rx_buf
->mapping
, PAGE_SIZE
, rxq
->data_direction
);
1120 rx_buf
->data
= NULL
;
1125 static void qede_free_sge_mem(struct qede_dev
*edev
, struct qede_rx_queue
*rxq
)
1129 if (edev
->gro_disable
)
1132 for (i
= 0; i
< ETH_TPA_MAX_AGGS_NUM
; i
++) {
1133 struct qede_agg_info
*tpa_info
= &rxq
->tpa_info
[i
];
1134 struct sw_rx_data
*replace_buf
= &tpa_info
->buffer
;
1136 if (replace_buf
->data
) {
1137 dma_unmap_page(&edev
->pdev
->dev
,
1138 replace_buf
->mapping
,
1139 PAGE_SIZE
, DMA_FROM_DEVICE
);
1140 __free_page(replace_buf
->data
);
1145 static void qede_free_mem_rxq(struct qede_dev
*edev
, struct qede_rx_queue
*rxq
)
1147 qede_free_sge_mem(edev
, rxq
);
1149 /* Free rx buffers */
1150 qede_free_rx_buffers(edev
, rxq
);
1152 /* Free the parallel SW ring */
1153 kfree(rxq
->sw_rx_ring
);
1155 /* Free the real RQ ring used by FW */
1156 edev
->ops
->common
->chain_free(edev
->cdev
, &rxq
->rx_bd_ring
);
1157 edev
->ops
->common
->chain_free(edev
->cdev
, &rxq
->rx_comp_ring
);
1160 static int qede_alloc_sge_mem(struct qede_dev
*edev
, struct qede_rx_queue
*rxq
)
1165 /* Don't perform FW aggregations in case of XDP */
1167 edev
->gro_disable
= 1;
1169 if (edev
->gro_disable
)
1172 if (edev
->ndev
->mtu
> PAGE_SIZE
) {
1173 edev
->gro_disable
= 1;
1177 for (i
= 0; i
< ETH_TPA_MAX_AGGS_NUM
; i
++) {
1178 struct qede_agg_info
*tpa_info
= &rxq
->tpa_info
[i
];
1179 struct sw_rx_data
*replace_buf
= &tpa_info
->buffer
;
1181 replace_buf
->data
= alloc_pages(GFP_ATOMIC
, 0);
1182 if (unlikely(!replace_buf
->data
)) {
1184 "Failed to allocate TPA skb pool [replacement buffer]\n");
1188 mapping
= dma_map_page(&edev
->pdev
->dev
, replace_buf
->data
, 0,
1189 PAGE_SIZE
, DMA_FROM_DEVICE
);
1190 if (unlikely(dma_mapping_error(&edev
->pdev
->dev
, mapping
))) {
1192 "Failed to map TPA replacement buffer\n");
1196 replace_buf
->mapping
= mapping
;
1197 tpa_info
->buffer
.page_offset
= 0;
1198 tpa_info
->buffer_mapping
= mapping
;
1199 tpa_info
->state
= QEDE_AGG_STATE_NONE
;
1204 qede_free_sge_mem(edev
, rxq
);
1205 edev
->gro_disable
= 1;
1209 /* This function allocates all memory needed per Rx queue */
1210 static int qede_alloc_mem_rxq(struct qede_dev
*edev
, struct qede_rx_queue
*rxq
)
1214 rxq
->num_rx_buffers
= edev
->q_num_rx_buffers
;
1216 rxq
->rx_buf_size
= NET_IP_ALIGN
+ ETH_OVERHEAD
+ edev
->ndev
->mtu
;
1217 rxq
->rx_headroom
= edev
->xdp_prog
? XDP_PACKET_HEADROOM
: 0;
1219 /* Make sure that the headroom and payload fit in a single page */
1220 if (rxq
->rx_buf_size
+ rxq
->rx_headroom
> PAGE_SIZE
)
1221 rxq
->rx_buf_size
= PAGE_SIZE
- rxq
->rx_headroom
;
1223 /* Segment size to spilt a page in multiple equal parts,
1224 * unless XDP is used in which case we'd use the entire page.
1226 if (!edev
->xdp_prog
)
1227 rxq
->rx_buf_seg_size
= roundup_pow_of_two(rxq
->rx_buf_size
);
1229 rxq
->rx_buf_seg_size
= PAGE_SIZE
;
1231 /* Allocate the parallel driver ring for Rx buffers */
1232 size
= sizeof(*rxq
->sw_rx_ring
) * RX_RING_SIZE
;
1233 rxq
->sw_rx_ring
= kzalloc(size
, GFP_KERNEL
);
1234 if (!rxq
->sw_rx_ring
) {
1235 DP_ERR(edev
, "Rx buffers ring allocation failed\n");
1240 /* Allocate FW Rx ring */
1241 rc
= edev
->ops
->common
->chain_alloc(edev
->cdev
,
1242 QED_CHAIN_USE_TO_CONSUME_PRODUCE
,
1243 QED_CHAIN_MODE_NEXT_PTR
,
1244 QED_CHAIN_CNT_TYPE_U16
,
1246 sizeof(struct eth_rx_bd
),
1252 /* Allocate FW completion ring */
1253 rc
= edev
->ops
->common
->chain_alloc(edev
->cdev
,
1254 QED_CHAIN_USE_TO_CONSUME
,
1256 QED_CHAIN_CNT_TYPE_U16
,
1258 sizeof(union eth_rx_cqe
),
1259 &rxq
->rx_comp_ring
);
1263 /* Allocate buffers for the Rx ring */
1264 rxq
->filled_buffers
= 0;
1265 for (i
= 0; i
< rxq
->num_rx_buffers
; i
++) {
1266 rc
= qede_alloc_rx_buffer(rxq
, false);
1269 "Rx buffers allocation failed at index %d\n", i
);
1274 rc
= qede_alloc_sge_mem(edev
, rxq
);
1279 static void qede_free_mem_txq(struct qede_dev
*edev
, struct qede_tx_queue
*txq
)
1281 /* Free the parallel SW ring */
1283 kfree(txq
->sw_tx_ring
.xdp
);
1285 kfree(txq
->sw_tx_ring
.skbs
);
1287 /* Free the real RQ ring used by FW */
1288 edev
->ops
->common
->chain_free(edev
->cdev
, &txq
->tx_pbl
);
1291 /* This function allocates all memory needed per Tx queue */
1292 static int qede_alloc_mem_txq(struct qede_dev
*edev
, struct qede_tx_queue
*txq
)
1294 union eth_tx_bd_types
*p_virt
;
1297 txq
->num_tx_buffers
= edev
->q_num_tx_buffers
;
1299 /* Allocate the parallel driver ring for Tx buffers */
1301 size
= sizeof(*txq
->sw_tx_ring
.xdp
) * TX_RING_SIZE
;
1302 txq
->sw_tx_ring
.xdp
= kzalloc(size
, GFP_KERNEL
);
1303 if (!txq
->sw_tx_ring
.xdp
)
1306 size
= sizeof(*txq
->sw_tx_ring
.skbs
) * TX_RING_SIZE
;
1307 txq
->sw_tx_ring
.skbs
= kzalloc(size
, GFP_KERNEL
);
1308 if (!txq
->sw_tx_ring
.skbs
)
1312 rc
= edev
->ops
->common
->chain_alloc(edev
->cdev
,
1313 QED_CHAIN_USE_TO_CONSUME_PRODUCE
,
1315 QED_CHAIN_CNT_TYPE_U16
,
1317 sizeof(*p_virt
), &txq
->tx_pbl
);
1324 qede_free_mem_txq(edev
, txq
);
1328 /* This function frees all memory of a single fp */
1329 static void qede_free_mem_fp(struct qede_dev
*edev
, struct qede_fastpath
*fp
)
1331 qede_free_mem_sb(edev
, fp
->sb_info
);
1333 if (fp
->type
& QEDE_FASTPATH_RX
)
1334 qede_free_mem_rxq(edev
, fp
->rxq
);
1336 if (fp
->type
& QEDE_FASTPATH_XDP
)
1337 qede_free_mem_txq(edev
, fp
->xdp_tx
);
1339 if (fp
->type
& QEDE_FASTPATH_TX
)
1340 qede_free_mem_txq(edev
, fp
->txq
);
1343 /* This function allocates all memory needed for a single fp (i.e. an entity
1344 * which contains status block, one rx queue and/or multiple per-TC tx queues.
1346 static int qede_alloc_mem_fp(struct qede_dev
*edev
, struct qede_fastpath
*fp
)
1350 rc
= qede_alloc_mem_sb(edev
, fp
->sb_info
, fp
->id
);
1354 if (fp
->type
& QEDE_FASTPATH_RX
) {
1355 rc
= qede_alloc_mem_rxq(edev
, fp
->rxq
);
1360 if (fp
->type
& QEDE_FASTPATH_XDP
) {
1361 rc
= qede_alloc_mem_txq(edev
, fp
->xdp_tx
);
1366 if (fp
->type
& QEDE_FASTPATH_TX
) {
1367 rc
= qede_alloc_mem_txq(edev
, fp
->txq
);
1376 static void qede_free_mem_load(struct qede_dev
*edev
)
1381 struct qede_fastpath
*fp
= &edev
->fp_array
[i
];
1383 qede_free_mem_fp(edev
, fp
);
1387 /* This function allocates all qede memory at NIC load. */
1388 static int qede_alloc_mem_load(struct qede_dev
*edev
)
1390 int rc
= 0, queue_id
;
1392 for (queue_id
= 0; queue_id
< QEDE_QUEUE_CNT(edev
); queue_id
++) {
1393 struct qede_fastpath
*fp
= &edev
->fp_array
[queue_id
];
1395 rc
= qede_alloc_mem_fp(edev
, fp
);
1398 "Failed to allocate memory for fastpath - rss id = %d\n",
1400 qede_free_mem_load(edev
);
1408 /* This function inits fp content and resets the SB, RXQ and TXQ structures */
1409 static void qede_init_fp(struct qede_dev
*edev
)
1411 int queue_id
, rxq_index
= 0, txq_index
= 0;
1412 struct qede_fastpath
*fp
;
1414 for_each_queue(queue_id
) {
1415 fp
= &edev
->fp_array
[queue_id
];
1420 if (fp
->type
& QEDE_FASTPATH_XDP
) {
1421 fp
->xdp_tx
->index
= QEDE_TXQ_IDX_TO_XDP(edev
,
1423 fp
->xdp_tx
->is_xdp
= 1;
1426 if (fp
->type
& QEDE_FASTPATH_RX
) {
1427 fp
->rxq
->rxq_id
= rxq_index
++;
1429 /* Determine how to map buffers for this queue */
1430 if (fp
->type
& QEDE_FASTPATH_XDP
)
1431 fp
->rxq
->data_direction
= DMA_BIDIRECTIONAL
;
1433 fp
->rxq
->data_direction
= DMA_FROM_DEVICE
;
1434 fp
->rxq
->dev
= &edev
->pdev
->dev
;
1437 if (fp
->type
& QEDE_FASTPATH_TX
) {
1438 fp
->txq
->index
= txq_index
++;
1439 if (edev
->dev_info
.is_legacy
)
1440 fp
->txq
->is_legacy
= 1;
1441 fp
->txq
->dev
= &edev
->pdev
->dev
;
1444 snprintf(fp
->name
, sizeof(fp
->name
), "%s-fp-%d",
1445 edev
->ndev
->name
, queue_id
);
1448 edev
->gro_disable
= !(edev
->ndev
->features
& NETIF_F_GRO
);
1451 static int qede_set_real_num_queues(struct qede_dev
*edev
)
1455 rc
= netif_set_real_num_tx_queues(edev
->ndev
, QEDE_TSS_COUNT(edev
));
1457 DP_NOTICE(edev
, "Failed to set real number of Tx queues\n");
1461 rc
= netif_set_real_num_rx_queues(edev
->ndev
, QEDE_RSS_COUNT(edev
));
1463 DP_NOTICE(edev
, "Failed to set real number of Rx queues\n");
1470 static void qede_napi_disable_remove(struct qede_dev
*edev
)
1475 napi_disable(&edev
->fp_array
[i
].napi
);
1477 netif_napi_del(&edev
->fp_array
[i
].napi
);
1481 static void qede_napi_add_enable(struct qede_dev
*edev
)
1485 /* Add NAPI objects */
1487 netif_napi_add(edev
->ndev
, &edev
->fp_array
[i
].napi
,
1488 qede_poll
, NAPI_POLL_WEIGHT
);
1489 napi_enable(&edev
->fp_array
[i
].napi
);
1493 static void qede_sync_free_irqs(struct qede_dev
*edev
)
1497 for (i
= 0; i
< edev
->int_info
.used_cnt
; i
++) {
1498 if (edev
->int_info
.msix_cnt
) {
1499 synchronize_irq(edev
->int_info
.msix
[i
].vector
);
1500 free_irq(edev
->int_info
.msix
[i
].vector
,
1501 &edev
->fp_array
[i
]);
1503 edev
->ops
->common
->simd_handler_clean(edev
->cdev
, i
);
1507 edev
->int_info
.used_cnt
= 0;
1510 static int qede_req_msix_irqs(struct qede_dev
*edev
)
1514 /* Sanitize number of interrupts == number of prepared RSS queues */
1515 if (QEDE_QUEUE_CNT(edev
) > edev
->int_info
.msix_cnt
) {
1517 "Interrupt mismatch: %d RSS queues > %d MSI-x vectors\n",
1518 QEDE_QUEUE_CNT(edev
), edev
->int_info
.msix_cnt
);
1522 for (i
= 0; i
< QEDE_QUEUE_CNT(edev
); i
++) {
1523 #ifdef CONFIG_RFS_ACCEL
1524 struct qede_fastpath
*fp
= &edev
->fp_array
[i
];
1526 if (edev
->ndev
->rx_cpu_rmap
&& (fp
->type
& QEDE_FASTPATH_RX
)) {
1527 rc
= irq_cpu_rmap_add(edev
->ndev
->rx_cpu_rmap
,
1528 edev
->int_info
.msix
[i
].vector
);
1530 DP_ERR(edev
, "Failed to add CPU rmap\n");
1531 qede_free_arfs(edev
);
1535 rc
= request_irq(edev
->int_info
.msix
[i
].vector
,
1536 qede_msix_fp_int
, 0, edev
->fp_array
[i
].name
,
1537 &edev
->fp_array
[i
]);
1539 DP_ERR(edev
, "Request fp %d irq failed\n", i
);
1540 qede_sync_free_irqs(edev
);
1543 DP_VERBOSE(edev
, NETIF_MSG_INTR
,
1544 "Requested fp irq for %s [entry %d]. Cookie is at %p\n",
1545 edev
->fp_array
[i
].name
, i
,
1546 &edev
->fp_array
[i
]);
1547 edev
->int_info
.used_cnt
++;
1553 static void qede_simd_fp_handler(void *cookie
)
1555 struct qede_fastpath
*fp
= (struct qede_fastpath
*)cookie
;
1557 napi_schedule_irqoff(&fp
->napi
);
1560 static int qede_setup_irqs(struct qede_dev
*edev
)
1564 /* Learn Interrupt configuration */
1565 rc
= edev
->ops
->common
->get_fp_int(edev
->cdev
, &edev
->int_info
);
1569 if (edev
->int_info
.msix_cnt
) {
1570 rc
= qede_req_msix_irqs(edev
);
1573 edev
->ndev
->irq
= edev
->int_info
.msix
[0].vector
;
1575 const struct qed_common_ops
*ops
;
1577 /* qed should learn receive the RSS ids and callbacks */
1578 ops
= edev
->ops
->common
;
1579 for (i
= 0; i
< QEDE_QUEUE_CNT(edev
); i
++)
1580 ops
->simd_handler_config(edev
->cdev
,
1581 &edev
->fp_array
[i
], i
,
1582 qede_simd_fp_handler
);
1583 edev
->int_info
.used_cnt
= QEDE_QUEUE_CNT(edev
);
1588 static int qede_drain_txq(struct qede_dev
*edev
,
1589 struct qede_tx_queue
*txq
, bool allow_drain
)
1593 while (txq
->sw_tx_cons
!= txq
->sw_tx_prod
) {
1597 "Tx queue[%d] is stuck, requesting MCP to drain\n",
1599 rc
= edev
->ops
->common
->drain(edev
->cdev
);
1602 return qede_drain_txq(edev
, txq
, false);
1605 "Timeout waiting for tx queue[%d]: PROD=%d, CONS=%d\n",
1606 txq
->index
, txq
->sw_tx_prod
,
1611 usleep_range(1000, 2000);
1615 /* FW finished processing, wait for HW to transmit all tx packets */
1616 usleep_range(1000, 2000);
1621 static int qede_stop_txq(struct qede_dev
*edev
,
1622 struct qede_tx_queue
*txq
, int rss_id
)
1624 return edev
->ops
->q_tx_stop(edev
->cdev
, rss_id
, txq
->handle
);
1627 static int qede_stop_queues(struct qede_dev
*edev
)
1629 struct qed_update_vport_params
*vport_update_params
;
1630 struct qed_dev
*cdev
= edev
->cdev
;
1631 struct qede_fastpath
*fp
;
1634 /* Disable the vport */
1635 vport_update_params
= vzalloc(sizeof(*vport_update_params
));
1636 if (!vport_update_params
)
1639 vport_update_params
->vport_id
= 0;
1640 vport_update_params
->update_vport_active_flg
= 1;
1641 vport_update_params
->vport_active_flg
= 0;
1642 vport_update_params
->update_rss_flg
= 0;
1644 rc
= edev
->ops
->vport_update(cdev
, vport_update_params
);
1645 vfree(vport_update_params
);
1648 DP_ERR(edev
, "Failed to update vport\n");
1652 /* Flush Tx queues. If needed, request drain from MCP */
1654 fp
= &edev
->fp_array
[i
];
1656 if (fp
->type
& QEDE_FASTPATH_TX
) {
1657 rc
= qede_drain_txq(edev
, fp
->txq
, true);
1662 if (fp
->type
& QEDE_FASTPATH_XDP
) {
1663 rc
= qede_drain_txq(edev
, fp
->xdp_tx
, true);
1669 /* Stop all Queues in reverse order */
1670 for (i
= QEDE_QUEUE_CNT(edev
) - 1; i
>= 0; i
--) {
1671 fp
= &edev
->fp_array
[i
];
1673 /* Stop the Tx Queue(s) */
1674 if (fp
->type
& QEDE_FASTPATH_TX
) {
1675 rc
= qede_stop_txq(edev
, fp
->txq
, i
);
1680 /* Stop the Rx Queue */
1681 if (fp
->type
& QEDE_FASTPATH_RX
) {
1682 rc
= edev
->ops
->q_rx_stop(cdev
, i
, fp
->rxq
->handle
);
1684 DP_ERR(edev
, "Failed to stop RXQ #%d\n", i
);
1689 /* Stop the XDP forwarding queue */
1690 if (fp
->type
& QEDE_FASTPATH_XDP
) {
1691 rc
= qede_stop_txq(edev
, fp
->xdp_tx
, i
);
1695 bpf_prog_put(fp
->rxq
->xdp_prog
);
1699 /* Stop the vport */
1700 rc
= edev
->ops
->vport_stop(cdev
, 0);
1702 DP_ERR(edev
, "Failed to stop VPORT\n");
1707 static int qede_start_txq(struct qede_dev
*edev
,
1708 struct qede_fastpath
*fp
,
1709 struct qede_tx_queue
*txq
, u8 rss_id
, u16 sb_idx
)
1711 dma_addr_t phys_table
= qed_chain_get_pbl_phys(&txq
->tx_pbl
);
1712 u32 page_cnt
= qed_chain_get_page_cnt(&txq
->tx_pbl
);
1713 struct qed_queue_start_common_params params
;
1714 struct qed_txq_start_ret_params ret_params
;
1717 memset(¶ms
, 0, sizeof(params
));
1718 memset(&ret_params
, 0, sizeof(ret_params
));
1720 /* Let the XDP queue share the queue-zone with one of the regular txq.
1721 * We don't really care about its coalescing.
1724 params
.queue_id
= QEDE_TXQ_XDP_TO_IDX(edev
, txq
);
1726 params
.queue_id
= txq
->index
;
1728 params
.sb
= fp
->sb_info
->igu_sb_id
;
1729 params
.sb_idx
= sb_idx
;
1731 rc
= edev
->ops
->q_tx_start(edev
->cdev
, rss_id
, ¶ms
, phys_table
,
1732 page_cnt
, &ret_params
);
1734 DP_ERR(edev
, "Start TXQ #%d failed %d\n", txq
->index
, rc
);
1738 txq
->doorbell_addr
= ret_params
.p_doorbell
;
1739 txq
->handle
= ret_params
.p_handle
;
1741 /* Determine the FW consumer address associated */
1742 txq
->hw_cons_ptr
= &fp
->sb_info
->sb_virt
->pi_array
[sb_idx
];
1744 /* Prepare the doorbell parameters */
1745 SET_FIELD(txq
->tx_db
.data
.params
, ETH_DB_DATA_DEST
, DB_DEST_XCM
);
1746 SET_FIELD(txq
->tx_db
.data
.params
, ETH_DB_DATA_AGG_CMD
, DB_AGG_CMD_SET
);
1747 SET_FIELD(txq
->tx_db
.data
.params
, ETH_DB_DATA_AGG_VAL_SEL
,
1748 DQ_XCM_ETH_TX_BD_PROD_CMD
);
1749 txq
->tx_db
.data
.agg_flags
= DQ_XCM_ETH_DQ_CF_CMD
;
1754 static int qede_start_queues(struct qede_dev
*edev
, bool clear_stats
)
1756 int vlan_removal_en
= 1;
1757 struct qed_dev
*cdev
= edev
->cdev
;
1758 struct qed_dev_info
*qed_info
= &edev
->dev_info
.common
;
1759 struct qed_update_vport_params
*vport_update_params
;
1760 struct qed_queue_start_common_params q_params
;
1761 struct qed_start_vport_params start
= {0};
1764 if (!edev
->num_queues
) {
1766 "Cannot update V-VPORT as active as there are no Rx queues\n");
1770 vport_update_params
= vzalloc(sizeof(*vport_update_params
));
1771 if (!vport_update_params
)
1774 start
.handle_ptp_pkts
= !!(edev
->ptp
);
1775 start
.gro_enable
= !edev
->gro_disable
;
1776 start
.mtu
= edev
->ndev
->mtu
;
1778 start
.drop_ttl0
= true;
1779 start
.remove_inner_vlan
= vlan_removal_en
;
1780 start
.clear_stats
= clear_stats
;
1782 rc
= edev
->ops
->vport_start(cdev
, &start
);
1785 DP_ERR(edev
, "Start V-PORT failed %d\n", rc
);
1789 DP_VERBOSE(edev
, NETIF_MSG_IFUP
,
1790 "Start vport ramrod passed, vport_id = %d, MTU = %d, vlan_removal_en = %d\n",
1791 start
.vport_id
, edev
->ndev
->mtu
+ 0xe, vlan_removal_en
);
1794 struct qede_fastpath
*fp
= &edev
->fp_array
[i
];
1795 dma_addr_t p_phys_table
;
1798 if (fp
->type
& QEDE_FASTPATH_RX
) {
1799 struct qed_rxq_start_ret_params ret_params
;
1800 struct qede_rx_queue
*rxq
= fp
->rxq
;
1803 memset(&ret_params
, 0, sizeof(ret_params
));
1804 memset(&q_params
, 0, sizeof(q_params
));
1805 q_params
.queue_id
= rxq
->rxq_id
;
1806 q_params
.vport_id
= 0;
1807 q_params
.sb
= fp
->sb_info
->igu_sb_id
;
1808 q_params
.sb_idx
= RX_PI
;
1811 qed_chain_get_pbl_phys(&rxq
->rx_comp_ring
);
1812 page_cnt
= qed_chain_get_page_cnt(&rxq
->rx_comp_ring
);
1814 rc
= edev
->ops
->q_rx_start(cdev
, i
, &q_params
,
1816 rxq
->rx_bd_ring
.p_phys_addr
,
1818 page_cnt
, &ret_params
);
1820 DP_ERR(edev
, "Start RXQ #%d failed %d\n", i
,
1825 /* Use the return parameters */
1826 rxq
->hw_rxq_prod_addr
= ret_params
.p_prod
;
1827 rxq
->handle
= ret_params
.p_handle
;
1829 val
= &fp
->sb_info
->sb_virt
->pi_array
[RX_PI
];
1830 rxq
->hw_cons_ptr
= val
;
1832 qede_update_rx_prod(edev
, rxq
);
1835 if (fp
->type
& QEDE_FASTPATH_XDP
) {
1836 rc
= qede_start_txq(edev
, fp
, fp
->xdp_tx
, i
, XDP_PI
);
1840 fp
->rxq
->xdp_prog
= bpf_prog_add(edev
->xdp_prog
, 1);
1841 if (IS_ERR(fp
->rxq
->xdp_prog
)) {
1842 rc
= PTR_ERR(fp
->rxq
->xdp_prog
);
1843 fp
->rxq
->xdp_prog
= NULL
;
1848 if (fp
->type
& QEDE_FASTPATH_TX
) {
1849 rc
= qede_start_txq(edev
, fp
, fp
->txq
, i
, TX_PI(0));
1855 /* Prepare and send the vport enable */
1856 vport_update_params
->vport_id
= start
.vport_id
;
1857 vport_update_params
->update_vport_active_flg
= 1;
1858 vport_update_params
->vport_active_flg
= 1;
1860 if ((qed_info
->mf_mode
== QED_MF_NPAR
|| pci_num_vf(edev
->pdev
)) &&
1861 qed_info
->tx_switching
) {
1862 vport_update_params
->update_tx_switching_flg
= 1;
1863 vport_update_params
->tx_switching_flg
= 1;
1866 qede_fill_rss_params(edev
, &vport_update_params
->rss_params
,
1867 &vport_update_params
->update_rss_flg
);
1869 rc
= edev
->ops
->vport_update(cdev
, vport_update_params
);
1871 DP_ERR(edev
, "Update V-PORT failed %d\n", rc
);
1874 vfree(vport_update_params
);
1878 enum qede_unload_mode
{
1882 static void qede_unload(struct qede_dev
*edev
, enum qede_unload_mode mode
,
1885 struct qed_link_params link_params
;
1888 DP_INFO(edev
, "Starting qede unload\n");
1893 qede_roce_dev_event_close(edev
);
1894 edev
->state
= QEDE_STATE_CLOSED
;
1897 netif_tx_disable(edev
->ndev
);
1898 netif_carrier_off(edev
->ndev
);
1900 /* Reset the link */
1901 memset(&link_params
, 0, sizeof(link_params
));
1902 link_params
.link_up
= false;
1903 edev
->ops
->common
->set_link(edev
->cdev
, &link_params
);
1904 rc
= qede_stop_queues(edev
);
1906 qede_sync_free_irqs(edev
);
1910 DP_INFO(edev
, "Stopped Queues\n");
1912 qede_vlan_mark_nonconfigured(edev
);
1913 edev
->ops
->fastpath_stop(edev
->cdev
);
1914 #ifdef CONFIG_RFS_ACCEL
1915 if (!IS_VF(edev
) && edev
->dev_info
.common
.num_hwfns
== 1) {
1916 qede_poll_for_freeing_arfs_filters(edev
);
1917 qede_free_arfs(edev
);
1920 /* Release the interrupts */
1921 qede_sync_free_irqs(edev
);
1922 edev
->ops
->common
->set_fp_int(edev
->cdev
, 0);
1924 qede_napi_disable_remove(edev
);
1926 qede_free_mem_load(edev
);
1927 qede_free_fp_array(edev
);
1931 __qede_unlock(edev
);
1932 DP_INFO(edev
, "Ending qede unload\n");
1935 enum qede_load_mode
{
1940 static int qede_load(struct qede_dev
*edev
, enum qede_load_mode mode
,
1943 struct qed_link_params link_params
;
1946 DP_INFO(edev
, "Starting qede load\n");
1951 rc
= qede_set_num_queues(edev
);
1955 rc
= qede_alloc_fp_array(edev
);
1961 rc
= qede_alloc_mem_load(edev
);
1964 DP_INFO(edev
, "Allocated %d Rx, %d Tx queues\n",
1965 QEDE_RSS_COUNT(edev
), QEDE_TSS_COUNT(edev
));
1967 rc
= qede_set_real_num_queues(edev
);
1971 #ifdef CONFIG_RFS_ACCEL
1972 if (!IS_VF(edev
) && edev
->dev_info
.common
.num_hwfns
== 1) {
1973 rc
= qede_alloc_arfs(edev
);
1975 DP_NOTICE(edev
, "aRFS memory allocation failed\n");
1978 qede_napi_add_enable(edev
);
1979 DP_INFO(edev
, "Napi added and enabled\n");
1981 rc
= qede_setup_irqs(edev
);
1984 DP_INFO(edev
, "Setup IRQs succeeded\n");
1986 rc
= qede_start_queues(edev
, mode
!= QEDE_LOAD_RELOAD
);
1989 DP_INFO(edev
, "Start VPORT, RXQ and TXQ succeeded\n");
1991 /* Add primary mac and set Rx filters */
1992 ether_addr_copy(edev
->primary_mac
, edev
->ndev
->dev_addr
);
1994 /* Program un-configured VLANs */
1995 qede_configure_vlan_filters(edev
);
1997 /* Ask for link-up using current configuration */
1998 memset(&link_params
, 0, sizeof(link_params
));
1999 link_params
.link_up
= true;
2000 edev
->ops
->common
->set_link(edev
->cdev
, &link_params
);
2002 qede_roce_dev_event_open(edev
);
2004 edev
->state
= QEDE_STATE_OPEN
;
2006 DP_INFO(edev
, "Ending successfully qede load\n");
2010 qede_sync_free_irqs(edev
);
2011 memset(&edev
->int_info
.msix_cnt
, 0, sizeof(struct qed_int_info
));
2013 qede_napi_disable_remove(edev
);
2015 qede_free_mem_load(edev
);
2017 edev
->ops
->common
->set_fp_int(edev
->cdev
, 0);
2018 qede_free_fp_array(edev
);
2019 edev
->num_queues
= 0;
2020 edev
->fp_num_tx
= 0;
2021 edev
->fp_num_rx
= 0;
2024 __qede_unlock(edev
);
2029 /* 'func' should be able to run between unload and reload assuming interface
2030 * is actually running, or afterwards in case it's currently DOWN.
2032 void qede_reload(struct qede_dev
*edev
,
2033 struct qede_reload_args
*args
, bool is_locked
)
2038 /* Since qede_lock is held, internal state wouldn't change even
2039 * if netdev state would start transitioning. Check whether current
2040 * internal configuration indicates device is up, then reload.
2042 if (edev
->state
== QEDE_STATE_OPEN
) {
2043 qede_unload(edev
, QEDE_UNLOAD_NORMAL
, true);
2045 args
->func(edev
, args
);
2046 qede_load(edev
, QEDE_LOAD_RELOAD
, true);
2048 /* Since no one is going to do it for us, re-configure */
2049 qede_config_rx_mode(edev
->ndev
);
2051 args
->func(edev
, args
);
2055 __qede_unlock(edev
);
2058 /* called with rtnl_lock */
2059 static int qede_open(struct net_device
*ndev
)
2061 struct qede_dev
*edev
= netdev_priv(ndev
);
2064 netif_carrier_off(ndev
);
2066 edev
->ops
->common
->set_power_state(edev
->cdev
, PCI_D0
);
2068 rc
= qede_load(edev
, QEDE_LOAD_NORMAL
, false);
2072 udp_tunnel_get_rx_info(ndev
);
2074 edev
->ops
->common
->update_drv_state(edev
->cdev
, true);
2079 static int qede_close(struct net_device
*ndev
)
2081 struct qede_dev
*edev
= netdev_priv(ndev
);
2083 qede_unload(edev
, QEDE_UNLOAD_NORMAL
, false);
2085 edev
->ops
->common
->update_drv_state(edev
->cdev
, false);
2090 static void qede_link_update(void *dev
, struct qed_link_output
*link
)
2092 struct qede_dev
*edev
= dev
;
2094 if (!netif_running(edev
->ndev
)) {
2095 DP_VERBOSE(edev
, NETIF_MSG_LINK
, "Interface is not running\n");
2099 if (link
->link_up
) {
2100 if (!netif_carrier_ok(edev
->ndev
)) {
2101 DP_NOTICE(edev
, "Link is up\n");
2102 netif_tx_start_all_queues(edev
->ndev
);
2103 netif_carrier_on(edev
->ndev
);
2106 if (netif_carrier_ok(edev
->ndev
)) {
2107 DP_NOTICE(edev
, "Link is down\n");
2108 netif_tx_disable(edev
->ndev
);
2109 netif_carrier_off(edev
->ndev
);