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e712d52b | 1 | /* QLogic qede NIC Driver |
e8f1cb50 MY |
2 | * Copyright (c) 2015-2017 QLogic Corporation |
3 | * | |
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: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
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. | |
22 | * | |
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 | |
30 | * SOFTWARE. | |
31 | */ | |
e712d52b YM |
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> | |
46 | #include <linux/io.h> | |
47 | #include <linux/netdev_features.h> | |
48 | #include <linux/udp.h> | |
49 | #include <linux/tcp.h> | |
f9f082a9 | 50 | #include <net/udp_tunnel.h> |
e712d52b YM |
51 | #include <linux/ip.h> |
52 | #include <net/ipv6.h> | |
53 | #include <net/tcp.h> | |
54 | #include <linux/if_ether.h> | |
55 | #include <linux/if_vlan.h> | |
56 | #include <linux/pkt_sched.h> | |
57 | #include <linux/ethtool.h> | |
58 | #include <linux/in.h> | |
59 | #include <linux/random.h> | |
60 | #include <net/ip6_checksum.h> | |
61 | #include <linux/bitops.h> | |
f29ffdb6 | 62 | #include <linux/vmalloc.h> |
cee9fbd8 | 63 | #include <linux/qed/qede_roce.h> |
e712d52b | 64 | #include "qede.h" |
4c55215c | 65 | #include "qede_ptp.h" |
e712d52b | 66 | |
5abd7e92 YM |
67 | static char version[] = |
68 | "QLogic FastLinQ 4xxxx Ethernet Driver qede " DRV_MODULE_VERSION "\n"; | |
e712d52b | 69 | |
5abd7e92 | 70 | MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Ethernet Driver"); |
e712d52b YM |
71 | MODULE_LICENSE("GPL"); |
72 | MODULE_VERSION(DRV_MODULE_VERSION); | |
73 | ||
74 | static uint debug; | |
75 | module_param(debug, uint, 0); | |
76 | MODULE_PARM_DESC(debug, " Default debug msglevel"); | |
77 | ||
78 | static const struct qed_eth_ops *qed_ops; | |
79 | ||
80 | #define CHIP_NUM_57980S_40 0x1634 | |
0e7441d7 | 81 | #define CHIP_NUM_57980S_10 0x1666 |
e712d52b YM |
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 | |
fefb0202 | 86 | #define CHIP_NUM_57980S_IOV 0x1664 |
9c79ddaa MY |
87 | #define CHIP_NUM_AH 0x8070 |
88 | #define CHIP_NUM_AH_IOV 0x8090 | |
e712d52b YM |
89 | |
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 | |
fefb0202 | 97 | #define PCI_DEVICE_ID_57980S_IOV CHIP_NUM_57980S_IOV |
9c79ddaa MY |
98 | #define PCI_DEVICE_ID_AH CHIP_NUM_AH |
99 | #define PCI_DEVICE_ID_AH_IOV CHIP_NUM_AH_IOV | |
100 | ||
e712d52b YM |
101 | #endif |
102 | ||
fefb0202 YM |
103 | enum qede_pci_private { |
104 | QEDE_PRIVATE_PF, | |
105 | QEDE_PRIVATE_VF | |
106 | }; | |
107 | ||
e712d52b | 108 | static const struct pci_device_id qede_pci_tbl[] = { |
fefb0202 YM |
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}, | |
14b84e86 | 115 | #ifdef CONFIG_QED_SRIOV |
fefb0202 | 116 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_IOV), QEDE_PRIVATE_VF}, |
9c79ddaa MY |
117 | #endif |
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}, | |
14b84e86 | 121 | #endif |
e712d52b YM |
122 | { 0 } |
123 | }; | |
124 | ||
125 | MODULE_DEVICE_TABLE(pci, qede_pci_tbl); | |
126 | ||
127 | static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id); | |
128 | ||
129 | #define TX_TIMEOUT (5 * HZ) | |
130 | ||
cb6aeb07 MY |
131 | /* Utilize last protocol index for XDP */ |
132 | #define XDP_PI 11 | |
133 | ||
e712d52b | 134 | static void qede_remove(struct pci_dev *pdev); |
14d39648 | 135 | static void qede_shutdown(struct pci_dev *pdev); |
a2ec6172 | 136 | static void qede_link_update(void *dev, struct qed_link_output *link); |
e712d52b | 137 | |
567b3c12 MY |
138 | /* The qede lock is used to protect driver state change and driver flows that |
139 | * are not reentrant. | |
140 | */ | |
141 | void __qede_lock(struct qede_dev *edev) | |
142 | { | |
143 | mutex_lock(&edev->qede_lock); | |
144 | } | |
145 | ||
146 | void __qede_unlock(struct qede_dev *edev) | |
147 | { | |
148 | mutex_unlock(&edev->qede_lock); | |
149 | } | |
150 | ||
fefb0202 | 151 | #ifdef CONFIG_QED_SRIOV |
79aab093 MS |
152 | static int qede_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, u8 qos, |
153 | __be16 vlan_proto) | |
08feecd7 YM |
154 | { |
155 | struct qede_dev *edev = netdev_priv(ndev); | |
156 | ||
157 | if (vlan > 4095) { | |
158 | DP_NOTICE(edev, "Illegal vlan value %d\n", vlan); | |
159 | return -EINVAL; | |
160 | } | |
161 | ||
79aab093 MS |
162 | if (vlan_proto != htons(ETH_P_8021Q)) |
163 | return -EPROTONOSUPPORT; | |
164 | ||
08feecd7 YM |
165 | DP_VERBOSE(edev, QED_MSG_IOV, "Setting Vlan 0x%04x to VF [%d]\n", |
166 | vlan, vf); | |
167 | ||
168 | return edev->ops->iov->set_vlan(edev->cdev, vlan, vf); | |
169 | } | |
170 | ||
eff16960 YM |
171 | static int qede_set_vf_mac(struct net_device *ndev, int vfidx, u8 *mac) |
172 | { | |
173 | struct qede_dev *edev = netdev_priv(ndev); | |
174 | ||
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); | |
178 | ||
179 | if (!is_valid_ether_addr(mac)) { | |
180 | DP_VERBOSE(edev, QED_MSG_IOV, "MAC address isn't valid\n"); | |
181 | return -EINVAL; | |
182 | } | |
183 | ||
184 | return edev->ops->iov->set_mac(edev->cdev, mac, vfidx); | |
185 | } | |
186 | ||
fefb0202 YM |
187 | static int qede_sriov_configure(struct pci_dev *pdev, int num_vfs_param) |
188 | { | |
189 | struct qede_dev *edev = netdev_priv(pci_get_drvdata(pdev)); | |
831bfb0e | 190 | struct qed_dev_info *qed_info = &edev->dev_info.common; |
f29ffdb6 | 191 | struct qed_update_vport_params *vport_params; |
831bfb0e | 192 | int rc; |
fefb0202 | 193 | |
f29ffdb6 MY |
194 | vport_params = vzalloc(sizeof(*vport_params)); |
195 | if (!vport_params) | |
196 | return -ENOMEM; | |
fefb0202 YM |
197 | DP_VERBOSE(edev, QED_MSG_IOV, "Requested %d VFs\n", num_vfs_param); |
198 | ||
831bfb0e YM |
199 | rc = edev->ops->iov->configure(edev->cdev, num_vfs_param); |
200 | ||
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) { | |
f29ffdb6 MY |
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); | |
831bfb0e YM |
208 | } |
209 | ||
f29ffdb6 | 210 | vfree(vport_params); |
831bfb0e | 211 | return rc; |
fefb0202 YM |
212 | } |
213 | #endif | |
214 | ||
e712d52b YM |
215 | static struct pci_driver qede_pci_driver = { |
216 | .name = "qede", | |
217 | .id_table = qede_pci_tbl, | |
218 | .probe = qede_probe, | |
219 | .remove = qede_remove, | |
14d39648 | 220 | .shutdown = qede_shutdown, |
fefb0202 YM |
221 | #ifdef CONFIG_QED_SRIOV |
222 | .sriov_configure = qede_sriov_configure, | |
223 | #endif | |
e712d52b YM |
224 | }; |
225 | ||
a2ec6172 SK |
226 | static struct qed_eth_cb_ops qede_ll_ops = { |
227 | { | |
e4917d46 CM |
228 | #ifdef CONFIG_RFS_ACCEL |
229 | .arfs_filter_op = qede_arfs_filter_op, | |
230 | #endif | |
a2ec6172 SK |
231 | .link_update = qede_link_update, |
232 | }, | |
eff16960 | 233 | .force_mac = qede_force_mac, |
97379f15 | 234 | .ports_update = qede_udp_ports_update, |
a2ec6172 SK |
235 | }; |
236 | ||
2950219d YM |
237 | static int qede_netdev_event(struct notifier_block *this, unsigned long event, |
238 | void *ptr) | |
239 | { | |
240 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); | |
241 | struct ethtool_drvinfo drvinfo; | |
242 | struct qede_dev *edev; | |
243 | ||
cee9fbd8 | 244 | if (event != NETDEV_CHANGENAME && event != NETDEV_CHANGEADDR) |
2950219d YM |
245 | goto done; |
246 | ||
247 | /* Check whether this is a qede device */ | |
248 | if (!ndev || !ndev->ethtool_ops || !ndev->ethtool_ops->get_drvinfo) | |
249 | goto done; | |
250 | ||
251 | memset(&drvinfo, 0, sizeof(drvinfo)); | |
252 | ndev->ethtool_ops->get_drvinfo(ndev, &drvinfo); | |
253 | if (strcmp(drvinfo.driver, "qede")) | |
254 | goto done; | |
255 | edev = netdev_priv(ndev); | |
256 | ||
cee9fbd8 RA |
257 | switch (event) { |
258 | case NETDEV_CHANGENAME: | |
259 | /* Notify qed of the name change */ | |
260 | if (!edev->ops || !edev->ops->common) | |
261 | goto done; | |
262 | edev->ops->common->set_id(edev->cdev, edev->ndev->name, "qede"); | |
263 | break; | |
264 | case NETDEV_CHANGEADDR: | |
265 | edev = netdev_priv(ndev); | |
266 | qede_roce_event_changeaddr(edev); | |
267 | break; | |
268 | } | |
2950219d YM |
269 | |
270 | done: | |
271 | return NOTIFY_DONE; | |
272 | } | |
273 | ||
274 | static struct notifier_block qede_netdev_notifier = { | |
275 | .notifier_call = qede_netdev_event, | |
276 | }; | |
277 | ||
e712d52b YM |
278 | static |
279 | int __init qede_init(void) | |
280 | { | |
281 | int ret; | |
e712d52b | 282 | |
525ef5c0 | 283 | pr_info("qede_init: %s\n", version); |
e712d52b | 284 | |
95114344 | 285 | qed_ops = qed_get_eth_ops(); |
e712d52b YM |
286 | if (!qed_ops) { |
287 | pr_notice("Failed to get qed ethtool operations\n"); | |
288 | return -EINVAL; | |
289 | } | |
290 | ||
2950219d YM |
291 | /* Must register notifier before pci ops, since we might miss |
292 | * interface rename after pci probe and netdev registeration. | |
293 | */ | |
294 | ret = register_netdevice_notifier(&qede_netdev_notifier); | |
295 | if (ret) { | |
296 | pr_notice("Failed to register netdevice_notifier\n"); | |
297 | qed_put_eth_ops(); | |
298 | return -EINVAL; | |
299 | } | |
300 | ||
e712d52b YM |
301 | ret = pci_register_driver(&qede_pci_driver); |
302 | if (ret) { | |
303 | pr_notice("Failed to register driver\n"); | |
2950219d | 304 | unregister_netdevice_notifier(&qede_netdev_notifier); |
e712d52b YM |
305 | qed_put_eth_ops(); |
306 | return -EINVAL; | |
307 | } | |
308 | ||
309 | return 0; | |
310 | } | |
311 | ||
312 | static void __exit qede_cleanup(void) | |
313 | { | |
525ef5c0 YM |
314 | if (debug & QED_LOG_INFO_MASK) |
315 | pr_info("qede_cleanup called\n"); | |
e712d52b | 316 | |
2950219d | 317 | unregister_netdevice_notifier(&qede_netdev_notifier); |
e712d52b YM |
318 | pci_unregister_driver(&qede_pci_driver); |
319 | qed_put_eth_ops(); | |
320 | } | |
321 | ||
322 | module_init(qede_init); | |
323 | module_exit(qede_cleanup); | |
324 | ||
2950219d YM |
325 | static int qede_open(struct net_device *ndev); |
326 | static int qede_close(struct net_device *ndev); | |
7c1bfcad | 327 | |
133fac0e SK |
328 | void qede_fill_by_demand_stats(struct qede_dev *edev) |
329 | { | |
9c79ddaa | 330 | struct qede_stats_common *p_common = &edev->stats.common; |
133fac0e SK |
331 | struct qed_eth_stats stats; |
332 | ||
333 | edev->ops->get_vport_stats(edev->cdev, &stats); | |
9c79ddaa MY |
334 | |
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; | |
346 | ||
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; | |
359 | ||
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; | |
397 | ||
398 | if (QEDE_IS_BB(edev)) { | |
399 | struct qede_stats_bb *p_bb = &edev->stats.bb; | |
400 | ||
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; | |
421 | } else { | |
422 | struct qede_stats_ah *p_ah = &edev->stats.ah; | |
423 | ||
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; | |
428 | } | |
133fac0e SK |
429 | } |
430 | ||
bc1f4470 | 431 | static void qede_get_stats64(struct net_device *dev, |
432 | struct rtnl_link_stats64 *stats) | |
133fac0e SK |
433 | { |
434 | struct qede_dev *edev = netdev_priv(dev); | |
9c79ddaa | 435 | struct qede_stats_common *p_common; |
133fac0e SK |
436 | |
437 | qede_fill_by_demand_stats(edev); | |
9c79ddaa | 438 | p_common = &edev->stats.common; |
133fac0e | 439 | |
9c79ddaa MY |
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; | |
133fac0e | 444 | |
9c79ddaa MY |
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; | |
133fac0e | 449 | |
9c79ddaa MY |
450 | stats->tx_errors = p_common->tx_err_drop_pkts; |
451 | stats->multicast = p_common->rx_mcast_pkts + p_common->rx_bcast_pkts; | |
133fac0e | 452 | |
9c79ddaa | 453 | stats->rx_fifo_errors = p_common->no_buff_discards; |
133fac0e | 454 | |
9c79ddaa MY |
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; | |
133fac0e SK |
459 | } |
460 | ||
733def6a | 461 | #ifdef CONFIG_QED_SRIOV |
73390ac9 YM |
462 | static int qede_get_vf_config(struct net_device *dev, int vfidx, |
463 | struct ifla_vf_info *ivi) | |
464 | { | |
465 | struct qede_dev *edev = netdev_priv(dev); | |
466 | ||
467 | if (!edev->ops) | |
468 | return -EINVAL; | |
469 | ||
470 | return edev->ops->iov->get_config(edev->cdev, vfidx, ivi); | |
471 | } | |
472 | ||
733def6a YM |
473 | static int qede_set_vf_rate(struct net_device *dev, int vfidx, |
474 | int min_tx_rate, int max_tx_rate) | |
475 | { | |
476 | struct qede_dev *edev = netdev_priv(dev); | |
477 | ||
be7b6d64 | 478 | return edev->ops->iov->set_rate(edev->cdev, vfidx, min_tx_rate, |
733def6a YM |
479 | max_tx_rate); |
480 | } | |
481 | ||
6ddc7608 YM |
482 | static int qede_set_vf_spoofchk(struct net_device *dev, int vfidx, bool val) |
483 | { | |
484 | struct qede_dev *edev = netdev_priv(dev); | |
485 | ||
486 | if (!edev->ops) | |
487 | return -EINVAL; | |
488 | ||
489 | return edev->ops->iov->set_spoof(edev->cdev, vfidx, val); | |
490 | } | |
491 | ||
733def6a YM |
492 | static int qede_set_vf_link_state(struct net_device *dev, int vfidx, |
493 | int link_state) | |
494 | { | |
495 | struct qede_dev *edev = netdev_priv(dev); | |
496 | ||
497 | if (!edev->ops) | |
498 | return -EINVAL; | |
499 | ||
500 | return edev->ops->iov->set_link_state(edev->cdev, vfidx, link_state); | |
501 | } | |
f990c82c MY |
502 | |
503 | static int qede_set_vf_trust(struct net_device *dev, int vfidx, bool setting) | |
504 | { | |
505 | struct qede_dev *edev = netdev_priv(dev); | |
506 | ||
507 | if (!edev->ops) | |
508 | return -EINVAL; | |
509 | ||
510 | return edev->ops->iov->set_trust(edev->cdev, vfidx, setting); | |
511 | } | |
733def6a YM |
512 | #endif |
513 | ||
4c55215c SRK |
514 | static int qede_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
515 | { | |
516 | struct qede_dev *edev = netdev_priv(dev); | |
517 | ||
518 | if (!netif_running(dev)) | |
519 | return -EAGAIN; | |
520 | ||
521 | switch (cmd) { | |
522 | case SIOCSHWTSTAMP: | |
523 | return qede_ptp_hw_ts(edev, ifr); | |
524 | default: | |
525 | DP_VERBOSE(edev, QED_MSG_DEBUG, | |
526 | "default IOCTL cmd 0x%x\n", cmd); | |
527 | return -EOPNOTSUPP; | |
528 | } | |
529 | ||
530 | return 0; | |
531 | } | |
532 | ||
2950219d YM |
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, | |
0d8e0aa0 SK |
537 | .ndo_set_rx_mode = qede_set_rx_mode, |
538 | .ndo_set_mac_address = qede_set_mac_addr, | |
2950219d | 539 | .ndo_validate_addr = eth_validate_addr, |
133fac0e | 540 | .ndo_change_mtu = qede_change_mtu, |
4c55215c | 541 | .ndo_do_ioctl = qede_ioctl, |
08feecd7 | 542 | #ifdef CONFIG_QED_SRIOV |
eff16960 | 543 | .ndo_set_vf_mac = qede_set_vf_mac, |
08feecd7 | 544 | .ndo_set_vf_vlan = qede_set_vf_vlan, |
f990c82c | 545 | .ndo_set_vf_trust = qede_set_vf_trust, |
08feecd7 | 546 | #endif |
7c1bfcad SRK |
547 | .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, |
548 | .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, | |
ce2b885c | 549 | .ndo_set_features = qede_set_features, |
133fac0e | 550 | .ndo_get_stats64 = qede_get_stats64, |
733def6a YM |
551 | #ifdef CONFIG_QED_SRIOV |
552 | .ndo_set_vf_link_state = qede_set_vf_link_state, | |
6ddc7608 | 553 | .ndo_set_vf_spoofchk = qede_set_vf_spoofchk, |
73390ac9 | 554 | .ndo_get_vf_config = qede_get_vf_config, |
733def6a YM |
555 | .ndo_set_vf_rate = qede_set_vf_rate, |
556 | #endif | |
f9f082a9 AD |
557 | .ndo_udp_tunnel_add = qede_udp_tunnel_add, |
558 | .ndo_udp_tunnel_del = qede_udp_tunnel_del, | |
25695853 | 559 | .ndo_features_check = qede_features_check, |
496e0517 | 560 | .ndo_xdp = qede_xdp, |
e4917d46 CM |
561 | #ifdef CONFIG_RFS_ACCEL |
562 | .ndo_rx_flow_steer = qede_rx_flow_steer, | |
563 | #endif | |
2950219d YM |
564 | }; |
565 | ||
e712d52b YM |
566 | /* ------------------------------------------------------------------------- |
567 | * START OF PROBE / REMOVE | |
568 | * ------------------------------------------------------------------------- | |
569 | */ | |
570 | ||
571 | static struct qede_dev *qede_alloc_etherdev(struct qed_dev *cdev, | |
572 | struct pci_dev *pdev, | |
573 | struct qed_dev_eth_info *info, | |
1a635e48 | 574 | u32 dp_module, u8 dp_level) |
e712d52b YM |
575 | { |
576 | struct net_device *ndev; | |
577 | struct qede_dev *edev; | |
578 | ||
579 | ndev = alloc_etherdev_mqs(sizeof(*edev), | |
1a635e48 | 580 | info->num_queues, info->num_queues); |
e712d52b YM |
581 | if (!ndev) { |
582 | pr_err("etherdev allocation failed\n"); | |
583 | return NULL; | |
584 | } | |
585 | ||
586 | edev = netdev_priv(ndev); | |
587 | edev->ndev = ndev; | |
588 | edev->cdev = cdev; | |
589 | edev->pdev = pdev; | |
590 | edev->dp_module = dp_module; | |
591 | edev->dp_level = dp_level; | |
592 | edev->ops = qed_ops; | |
2950219d YM |
593 | edev->q_num_rx_buffers = NUM_RX_BDS_DEF; |
594 | edev->q_num_tx_buffers = NUM_TX_BDS_DEF; | |
e712d52b | 595 | |
525ef5c0 YM |
596 | DP_INFO(edev, "Allocated netdev with %d tx queues and %d rx queues\n", |
597 | info->num_queues, info->num_queues); | |
598 | ||
e712d52b YM |
599 | SET_NETDEV_DEV(ndev, &pdev->dev); |
600 | ||
133fac0e | 601 | memset(&edev->stats, 0, sizeof(edev->stats)); |
e712d52b YM |
602 | memcpy(&edev->dev_info, info, sizeof(*info)); |
603 | ||
7c1bfcad SRK |
604 | INIT_LIST_HEAD(&edev->vlan_list); |
605 | ||
e712d52b YM |
606 | return edev; |
607 | } | |
608 | ||
609 | static void qede_init_ndev(struct qede_dev *edev) | |
610 | { | |
611 | struct net_device *ndev = edev->ndev; | |
612 | struct pci_dev *pdev = edev->pdev; | |
19489c7f | 613 | bool udp_tunnel_enable = false; |
e4917d46 | 614 | netdev_features_t hw_features; |
e712d52b YM |
615 | |
616 | pci_set_drvdata(pdev, ndev); | |
617 | ||
618 | ndev->mem_start = edev->dev_info.common.pci_mem_start; | |
619 | ndev->base_addr = ndev->mem_start; | |
620 | ndev->mem_end = edev->dev_info.common.pci_mem_end; | |
621 | ndev->irq = edev->dev_info.common.pci_irq; | |
622 | ||
623 | ndev->watchdog_timeo = TX_TIMEOUT; | |
624 | ||
2950219d YM |
625 | ndev->netdev_ops = &qede_netdev_ops; |
626 | ||
133fac0e SK |
627 | qede_set_ethtool_ops(ndev); |
628 | ||
0183eb1c | 629 | ndev->priv_flags |= IFF_UNICAST_FLT; |
7b7e70f9 | 630 | |
e712d52b YM |
631 | /* user-changeble features */ |
632 | hw_features = NETIF_F_GRO | NETIF_F_SG | | |
633 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | | |
634 | NETIF_F_TSO | NETIF_F_TSO6; | |
635 | ||
e4917d46 CM |
636 | if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) |
637 | hw_features |= NETIF_F_NTUPLE; | |
638 | ||
19489c7f CM |
639 | if (edev->dev_info.common.vxlan_enable || |
640 | edev->dev_info.common.geneve_enable) | |
641 | udp_tunnel_enable = true; | |
642 | ||
643 | if (udp_tunnel_enable || edev->dev_info.common.gre_enable) { | |
644 | hw_features |= NETIF_F_TSO_ECN; | |
645 | ndev->hw_enc_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | | |
646 | NETIF_F_SG | NETIF_F_TSO | | |
647 | NETIF_F_TSO_ECN | NETIF_F_TSO6 | | |
648 | NETIF_F_RXCSUM; | |
649 | } | |
650 | ||
651 | if (udp_tunnel_enable) { | |
652 | hw_features |= (NETIF_F_GSO_UDP_TUNNEL | | |
653 | NETIF_F_GSO_UDP_TUNNEL_CSUM); | |
654 | ndev->hw_enc_features |= (NETIF_F_GSO_UDP_TUNNEL | | |
655 | NETIF_F_GSO_UDP_TUNNEL_CSUM); | |
656 | } | |
657 | ||
658 | if (edev->dev_info.common.gre_enable) { | |
659 | hw_features |= (NETIF_F_GSO_GRE | NETIF_F_GSO_GRE_CSUM); | |
660 | ndev->hw_enc_features |= (NETIF_F_GSO_GRE | | |
661 | NETIF_F_GSO_GRE_CSUM); | |
662 | } | |
14db81de | 663 | |
e712d52b YM |
664 | ndev->vlan_features = hw_features | NETIF_F_RXHASH | NETIF_F_RXCSUM | |
665 | NETIF_F_HIGHDMA; | |
666 | ndev->features = hw_features | NETIF_F_RXHASH | NETIF_F_RXCSUM | | |
667 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HIGHDMA | | |
7c1bfcad | 668 | NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_TX; |
e712d52b YM |
669 | |
670 | ndev->hw_features = hw_features; | |
671 | ||
caff2a87 JW |
672 | /* MTU range: 46 - 9600 */ |
673 | ndev->min_mtu = ETH_ZLEN - ETH_HLEN; | |
674 | ndev->max_mtu = QEDE_MAX_JUMBO_PACKET_SIZE; | |
675 | ||
e712d52b YM |
676 | /* Set network device HW mac */ |
677 | ether_addr_copy(edev->ndev->dev_addr, edev->dev_info.common.hw_mac); | |
0fefbfba SK |
678 | |
679 | ndev->mtu = edev->dev_info.common.mtu; | |
e712d52b YM |
680 | } |
681 | ||
682 | /* This function converts from 32b param to two params of level and module | |
683 | * Input 32b decoding: | |
684 | * b31 - enable all NOTICE prints. NOTICE prints are for deviation from the | |
685 | * 'happy' flow, e.g. memory allocation failed. | |
686 | * b30 - enable all INFO prints. INFO prints are for major steps in the flow | |
687 | * and provide important parameters. | |
688 | * b29-b0 - per-module bitmap, where each bit enables VERBOSE prints of that | |
689 | * module. VERBOSE prints are for tracking the specific flow in low level. | |
690 | * | |
691 | * Notice that the level should be that of the lowest required logs. | |
692 | */ | |
133fac0e | 693 | void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level) |
e712d52b YM |
694 | { |
695 | *p_dp_level = QED_LEVEL_NOTICE; | |
696 | *p_dp_module = 0; | |
697 | ||
698 | if (debug & QED_LOG_VERBOSE_MASK) { | |
699 | *p_dp_level = QED_LEVEL_VERBOSE; | |
700 | *p_dp_module = (debug & 0x3FFFFFFF); | |
701 | } else if (debug & QED_LOG_INFO_MASK) { | |
702 | *p_dp_level = QED_LEVEL_INFO; | |
703 | } else if (debug & QED_LOG_NOTICE_MASK) { | |
704 | *p_dp_level = QED_LEVEL_NOTICE; | |
705 | } | |
706 | } | |
707 | ||
2950219d YM |
708 | static void qede_free_fp_array(struct qede_dev *edev) |
709 | { | |
710 | if (edev->fp_array) { | |
711 | struct qede_fastpath *fp; | |
712 | int i; | |
713 | ||
9a4d7e86 | 714 | for_each_queue(i) { |
2950219d YM |
715 | fp = &edev->fp_array[i]; |
716 | ||
717 | kfree(fp->sb_info); | |
718 | kfree(fp->rxq); | |
cb6aeb07 | 719 | kfree(fp->xdp_tx); |
80439a17 | 720 | kfree(fp->txq); |
2950219d YM |
721 | } |
722 | kfree(edev->fp_array); | |
723 | } | |
9a4d7e86 SRK |
724 | |
725 | edev->num_queues = 0; | |
726 | edev->fp_num_tx = 0; | |
727 | edev->fp_num_rx = 0; | |
2950219d YM |
728 | } |
729 | ||
730 | static int qede_alloc_fp_array(struct qede_dev *edev) | |
731 | { | |
9a4d7e86 | 732 | u8 fp_combined, fp_rx = edev->fp_num_rx; |
2950219d YM |
733 | struct qede_fastpath *fp; |
734 | int i; | |
735 | ||
9a4d7e86 | 736 | edev->fp_array = kcalloc(QEDE_QUEUE_CNT(edev), |
2950219d YM |
737 | sizeof(*edev->fp_array), GFP_KERNEL); |
738 | if (!edev->fp_array) { | |
739 | DP_NOTICE(edev, "fp array allocation failed\n"); | |
740 | goto err; | |
741 | } | |
742 | ||
9a4d7e86 SRK |
743 | fp_combined = QEDE_QUEUE_CNT(edev) - fp_rx - edev->fp_num_tx; |
744 | ||
745 | /* Allocate the FP elements for Rx queues followed by combined and then | |
746 | * the Tx. This ordering should be maintained so that the respective | |
747 | * queues (Rx or Tx) will be together in the fastpath array and the | |
748 | * associated ids will be sequential. | |
749 | */ | |
750 | for_each_queue(i) { | |
2950219d YM |
751 | fp = &edev->fp_array[i]; |
752 | ||
80439a17 | 753 | fp->sb_info = kzalloc(sizeof(*fp->sb_info), GFP_KERNEL); |
2950219d YM |
754 | if (!fp->sb_info) { |
755 | DP_NOTICE(edev, "sb info struct allocation failed\n"); | |
756 | goto err; | |
757 | } | |
758 | ||
9a4d7e86 SRK |
759 | if (fp_rx) { |
760 | fp->type = QEDE_FASTPATH_RX; | |
761 | fp_rx--; | |
762 | } else if (fp_combined) { | |
763 | fp->type = QEDE_FASTPATH_COMBINED; | |
764 | fp_combined--; | |
765 | } else { | |
766 | fp->type = QEDE_FASTPATH_TX; | |
2950219d YM |
767 | } |
768 | ||
9a4d7e86 | 769 | if (fp->type & QEDE_FASTPATH_TX) { |
80439a17 MY |
770 | fp->txq = kzalloc(sizeof(*fp->txq), GFP_KERNEL); |
771 | if (!fp->txq) | |
9a4d7e86 | 772 | goto err; |
9a4d7e86 SRK |
773 | } |
774 | ||
775 | if (fp->type & QEDE_FASTPATH_RX) { | |
80439a17 MY |
776 | fp->rxq = kzalloc(sizeof(*fp->rxq), GFP_KERNEL); |
777 | if (!fp->rxq) | |
9a4d7e86 | 778 | goto err; |
496e0517 | 779 | |
cb6aeb07 MY |
780 | if (edev->xdp_prog) { |
781 | fp->xdp_tx = kzalloc(sizeof(*fp->xdp_tx), | |
782 | GFP_KERNEL); | |
783 | if (!fp->xdp_tx) | |
784 | goto err; | |
496e0517 | 785 | fp->type |= QEDE_FASTPATH_XDP; |
cb6aeb07 | 786 | } |
2950219d YM |
787 | } |
788 | } | |
789 | ||
790 | return 0; | |
791 | err: | |
792 | qede_free_fp_array(edev); | |
793 | return -ENOMEM; | |
794 | } | |
795 | ||
0d8e0aa0 SK |
796 | static void qede_sp_task(struct work_struct *work) |
797 | { | |
798 | struct qede_dev *edev = container_of(work, struct qede_dev, | |
799 | sp_task.work); | |
b18e170c | 800 | |
567b3c12 | 801 | __qede_lock(edev); |
0d8e0aa0 | 802 | |
567b3c12 MY |
803 | if (test_and_clear_bit(QEDE_SP_RX_MODE, &edev->sp_flags)) |
804 | if (edev->state == QEDE_STATE_OPEN) | |
0d8e0aa0 | 805 | qede_config_rx_mode(edev->ndev); |
0d8e0aa0 | 806 | |
e4917d46 CM |
807 | #ifdef CONFIG_RFS_ACCEL |
808 | if (test_and_clear_bit(QEDE_SP_ARFS_CONFIG, &edev->sp_flags)) { | |
809 | if (edev->state == QEDE_STATE_OPEN) | |
810 | qede_process_arfs_filters(edev, false); | |
811 | } | |
812 | #endif | |
567b3c12 | 813 | __qede_unlock(edev); |
0d8e0aa0 SK |
814 | } |
815 | ||
e712d52b YM |
816 | static void qede_update_pf_params(struct qed_dev *cdev) |
817 | { | |
818 | struct qed_pf_params pf_params; | |
819 | ||
cb6aeb07 | 820 | /* 64 rx + 64 tx + 64 XDP */ |
e712d52b | 821 | memset(&pf_params, 0, sizeof(struct qed_pf_params)); |
e1d32acb | 822 | pf_params.eth_pf_params.num_cons = (MAX_SB_PER_PF_MIMD - 1) * 3; |
e4917d46 CM |
823 | #ifdef CONFIG_RFS_ACCEL |
824 | pf_params.eth_pf_params.num_arfs_filters = QEDE_RFS_MAX_FLTR; | |
825 | #endif | |
e712d52b YM |
826 | qed_ops->common->update_pf_params(cdev, &pf_params); |
827 | } | |
828 | ||
829 | enum qede_probe_mode { | |
830 | QEDE_PROBE_NORMAL, | |
831 | }; | |
832 | ||
833 | static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, | |
1408cc1f | 834 | bool is_vf, enum qede_probe_mode mode) |
e712d52b | 835 | { |
1408cc1f | 836 | struct qed_probe_params probe_params; |
1a635e48 | 837 | struct qed_slowpath_params sp_params; |
e712d52b YM |
838 | struct qed_dev_eth_info dev_info; |
839 | struct qede_dev *edev; | |
840 | struct qed_dev *cdev; | |
841 | int rc; | |
842 | ||
843 | if (unlikely(dp_level & QED_LEVEL_INFO)) | |
844 | pr_notice("Starting qede probe\n"); | |
845 | ||
1408cc1f YM |
846 | memset(&probe_params, 0, sizeof(probe_params)); |
847 | probe_params.protocol = QED_PROTOCOL_ETH; | |
848 | probe_params.dp_module = dp_module; | |
849 | probe_params.dp_level = dp_level; | |
850 | probe_params.is_vf = is_vf; | |
851 | cdev = qed_ops->common->probe(pdev, &probe_params); | |
e712d52b YM |
852 | if (!cdev) { |
853 | rc = -ENODEV; | |
854 | goto err0; | |
855 | } | |
856 | ||
857 | qede_update_pf_params(cdev); | |
858 | ||
859 | /* Start the Slowpath-process */ | |
1a635e48 YM |
860 | memset(&sp_params, 0, sizeof(sp_params)); |
861 | sp_params.int_mode = QED_INT_MODE_MSIX; | |
862 | sp_params.drv_major = QEDE_MAJOR_VERSION; | |
863 | sp_params.drv_minor = QEDE_MINOR_VERSION; | |
864 | sp_params.drv_rev = QEDE_REVISION_VERSION; | |
865 | sp_params.drv_eng = QEDE_ENGINEERING_VERSION; | |
866 | strlcpy(sp_params.name, "qede LAN", QED_DRV_VER_STR_SIZE); | |
867 | rc = qed_ops->common->slowpath_start(cdev, &sp_params); | |
e712d52b YM |
868 | if (rc) { |
869 | pr_notice("Cannot start slowpath\n"); | |
870 | goto err1; | |
871 | } | |
872 | ||
873 | /* Learn information crucial for qede to progress */ | |
874 | rc = qed_ops->fill_dev_info(cdev, &dev_info); | |
875 | if (rc) | |
876 | goto err2; | |
877 | ||
878 | edev = qede_alloc_etherdev(cdev, pdev, &dev_info, dp_module, | |
879 | dp_level); | |
880 | if (!edev) { | |
881 | rc = -ENOMEM; | |
882 | goto err2; | |
883 | } | |
884 | ||
fefb0202 YM |
885 | if (is_vf) |
886 | edev->flags |= QEDE_FLAG_IS_VF; | |
887 | ||
e712d52b YM |
888 | qede_init_ndev(edev); |
889 | ||
cee9fbd8 RA |
890 | rc = qede_roce_dev_add(edev); |
891 | if (rc) | |
892 | goto err3; | |
893 | ||
0e0b80a9 MY |
894 | /* Prepare the lock prior to the registeration of the netdev, |
895 | * as once it's registered we might reach flows requiring it | |
896 | * [it's even possible to reach a flow needing it directly | |
897 | * from there, although it's unlikely]. | |
898 | */ | |
899 | INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task); | |
900 | mutex_init(&edev->qede_lock); | |
2950219d YM |
901 | rc = register_netdev(edev->ndev); |
902 | if (rc) { | |
903 | DP_NOTICE(edev, "Cannot register net-device\n"); | |
cee9fbd8 | 904 | goto err4; |
2950219d YM |
905 | } |
906 | ||
e712d52b YM |
907 | edev->ops->common->set_id(cdev, edev->ndev->name, DRV_MODULE_VERSION); |
908 | ||
4c55215c | 909 | /* PTP not supported on VFs */ |
03574497 | 910 | if (!is_vf) |
911 | qede_ptp_enable(edev, true); | |
4c55215c | 912 | |
a2ec6172 SK |
913 | edev->ops->register_ops(cdev, &qede_ll_ops, edev); |
914 | ||
489e45ae | 915 | #ifdef CONFIG_DCB |
5fe118c9 SRK |
916 | if (!IS_VF(edev)) |
917 | qede_set_dcbnl_ops(edev->ndev); | |
489e45ae SRK |
918 | #endif |
919 | ||
3d789994 | 920 | edev->rx_copybreak = QEDE_RX_HDR_SIZE; |
0d8e0aa0 | 921 | |
e712d52b YM |
922 | DP_INFO(edev, "Ending successfully qede probe\n"); |
923 | ||
924 | return 0; | |
925 | ||
cee9fbd8 RA |
926 | err4: |
927 | qede_roce_dev_remove(edev); | |
2950219d YM |
928 | err3: |
929 | free_netdev(edev->ndev); | |
e712d52b YM |
930 | err2: |
931 | qed_ops->common->slowpath_stop(cdev); | |
932 | err1: | |
933 | qed_ops->common->remove(cdev); | |
934 | err0: | |
935 | return rc; | |
936 | } | |
937 | ||
938 | static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
939 | { | |
fefb0202 | 940 | bool is_vf = false; |
e712d52b YM |
941 | u32 dp_module = 0; |
942 | u8 dp_level = 0; | |
943 | ||
fefb0202 YM |
944 | switch ((enum qede_pci_private)id->driver_data) { |
945 | case QEDE_PRIVATE_VF: | |
946 | if (debug & QED_LOG_VERBOSE_MASK) | |
947 | dev_err(&pdev->dev, "Probing a VF\n"); | |
948 | is_vf = true; | |
949 | break; | |
950 | default: | |
951 | if (debug & QED_LOG_VERBOSE_MASK) | |
952 | dev_err(&pdev->dev, "Probing a PF\n"); | |
953 | } | |
954 | ||
e712d52b YM |
955 | qede_config_debug(debug, &dp_module, &dp_level); |
956 | ||
fefb0202 | 957 | return __qede_probe(pdev, dp_module, dp_level, is_vf, |
e712d52b YM |
958 | QEDE_PROBE_NORMAL); |
959 | } | |
960 | ||
961 | enum qede_remove_mode { | |
962 | QEDE_REMOVE_NORMAL, | |
963 | }; | |
964 | ||
965 | static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) | |
966 | { | |
967 | struct net_device *ndev = pci_get_drvdata(pdev); | |
968 | struct qede_dev *edev = netdev_priv(ndev); | |
969 | struct qed_dev *cdev = edev->cdev; | |
970 | ||
971 | DP_INFO(edev, "Starting qede_remove\n"); | |
972 | ||
2950219d | 973 | unregister_netdev(ndev); |
e4917d46 | 974 | cancel_delayed_work_sync(&edev->sp_task); |
2950219d | 975 | |
03574497 | 976 | qede_ptp_disable(edev); |
4c55215c | 977 | |
cee9fbd8 RA |
978 | qede_roce_dev_remove(edev); |
979 | ||
e712d52b YM |
980 | edev->ops->common->set_power_state(cdev, PCI_D0); |
981 | ||
982 | pci_set_drvdata(pdev, NULL); | |
983 | ||
496e0517 MY |
984 | /* Release edev's reference to XDP's bpf if such exist */ |
985 | if (edev->xdp_prog) | |
986 | bpf_prog_put(edev->xdp_prog); | |
987 | ||
e712d52b YM |
988 | /* Use global ops since we've freed edev */ |
989 | qed_ops->common->slowpath_stop(cdev); | |
14d39648 MY |
990 | if (system_state == SYSTEM_POWER_OFF) |
991 | return; | |
e712d52b YM |
992 | qed_ops->common->remove(cdev); |
993 | ||
885185df MY |
994 | /* Since this can happen out-of-sync with other flows, |
995 | * don't release the netdevice until after slowpath stop | |
996 | * has been called to guarantee various other contexts | |
997 | * [e.g., QED register callbacks] won't break anything when | |
998 | * accessing the netdevice. | |
999 | */ | |
1000 | free_netdev(ndev); | |
1001 | ||
525ef5c0 | 1002 | dev_info(&pdev->dev, "Ending qede_remove successfully\n"); |
e712d52b YM |
1003 | } |
1004 | ||
1005 | static void qede_remove(struct pci_dev *pdev) | |
1006 | { | |
1007 | __qede_remove(pdev, QEDE_REMOVE_NORMAL); | |
1008 | } | |
2950219d | 1009 | |
14d39648 MY |
1010 | static void qede_shutdown(struct pci_dev *pdev) |
1011 | { | |
1012 | __qede_remove(pdev, QEDE_REMOVE_NORMAL); | |
1013 | } | |
1014 | ||
2950219d YM |
1015 | /* ------------------------------------------------------------------------- |
1016 | * START OF LOAD / UNLOAD | |
1017 | * ------------------------------------------------------------------------- | |
1018 | */ | |
1019 | ||
1020 | static int qede_set_num_queues(struct qede_dev *edev) | |
1021 | { | |
1022 | int rc; | |
1023 | u16 rss_num; | |
1024 | ||
1025 | /* Setup queues according to possible resources*/ | |
9a4d7e86 SRK |
1026 | if (edev->req_queues) |
1027 | rss_num = edev->req_queues; | |
8edf049d SK |
1028 | else |
1029 | rss_num = netif_get_num_default_rss_queues() * | |
1030 | edev->dev_info.common.num_hwfns; | |
2950219d YM |
1031 | |
1032 | rss_num = min_t(u16, QEDE_MAX_RSS_CNT(edev), rss_num); | |
1033 | ||
1034 | rc = edev->ops->common->set_fp_int(edev->cdev, rss_num); | |
1035 | if (rc > 0) { | |
1036 | /* Managed to request interrupts for our queues */ | |
9a4d7e86 | 1037 | edev->num_queues = rc; |
2950219d | 1038 | DP_INFO(edev, "Managed %d [of %d] RSS queues\n", |
9a4d7e86 | 1039 | QEDE_QUEUE_CNT(edev), rss_num); |
2950219d YM |
1040 | rc = 0; |
1041 | } | |
9a4d7e86 SRK |
1042 | |
1043 | edev->fp_num_tx = edev->req_num_tx; | |
1044 | edev->fp_num_rx = edev->req_num_rx; | |
1045 | ||
2950219d YM |
1046 | return rc; |
1047 | } | |
1048 | ||
1049 | static void qede_free_mem_sb(struct qede_dev *edev, | |
1050 | struct qed_sb_info *sb_info) | |
1051 | { | |
1052 | if (sb_info->sb_virt) | |
1053 | dma_free_coherent(&edev->pdev->dev, sizeof(*sb_info->sb_virt), | |
1054 | (void *)sb_info->sb_virt, sb_info->sb_phys); | |
1055 | } | |
1056 | ||
1057 | /* This function allocates fast-path status block memory */ | |
1058 | static int qede_alloc_mem_sb(struct qede_dev *edev, | |
1a635e48 | 1059 | struct qed_sb_info *sb_info, u16 sb_id) |
2950219d YM |
1060 | { |
1061 | struct status_block *sb_virt; | |
1062 | dma_addr_t sb_phys; | |
1063 | int rc; | |
1064 | ||
1065 | sb_virt = dma_alloc_coherent(&edev->pdev->dev, | |
1a635e48 | 1066 | sizeof(*sb_virt), &sb_phys, GFP_KERNEL); |
2950219d YM |
1067 | if (!sb_virt) { |
1068 | DP_ERR(edev, "Status block allocation failed\n"); | |
1069 | return -ENOMEM; | |
1070 | } | |
1071 | ||
1072 | rc = edev->ops->common->sb_init(edev->cdev, sb_info, | |
1073 | sb_virt, sb_phys, sb_id, | |
1074 | QED_SB_TYPE_L2_QUEUE); | |
1075 | if (rc) { | |
1076 | DP_ERR(edev, "Status block initialization failed\n"); | |
1077 | dma_free_coherent(&edev->pdev->dev, sizeof(*sb_virt), | |
1078 | sb_virt, sb_phys); | |
1079 | return rc; | |
1080 | } | |
1081 | ||
1082 | return 0; | |
1083 | } | |
1084 | ||
1085 | static void qede_free_rx_buffers(struct qede_dev *edev, | |
1086 | struct qede_rx_queue *rxq) | |
1087 | { | |
1088 | u16 i; | |
1089 | ||
1090 | for (i = rxq->sw_rx_cons; i != rxq->sw_rx_prod; i++) { | |
1091 | struct sw_rx_data *rx_buf; | |
fc48b7a6 | 1092 | struct page *data; |
2950219d YM |
1093 | |
1094 | rx_buf = &rxq->sw_rx_ring[i & NUM_RX_BDS_MAX]; | |
1095 | data = rx_buf->data; | |
1096 | ||
fc48b7a6 | 1097 | dma_unmap_page(&edev->pdev->dev, |
cb6aeb07 | 1098 | rx_buf->mapping, PAGE_SIZE, rxq->data_direction); |
2950219d YM |
1099 | |
1100 | rx_buf->data = NULL; | |
fc48b7a6 | 1101 | __free_page(data); |
2950219d YM |
1102 | } |
1103 | } | |
1104 | ||
1a635e48 YM |
1105 | static void qede_free_sge_mem(struct qede_dev *edev, struct qede_rx_queue *rxq) |
1106 | { | |
55482edc MC |
1107 | int i; |
1108 | ||
1109 | if (edev->gro_disable) | |
1110 | return; | |
1111 | ||
1112 | for (i = 0; i < ETH_TPA_MAX_AGGS_NUM; i++) { | |
1113 | struct qede_agg_info *tpa_info = &rxq->tpa_info[i]; | |
01e23015 | 1114 | struct sw_rx_data *replace_buf = &tpa_info->buffer; |
55482edc | 1115 | |
f86af2df | 1116 | if (replace_buf->data) { |
55482edc | 1117 | dma_unmap_page(&edev->pdev->dev, |
09ec8e7f | 1118 | replace_buf->mapping, |
55482edc MC |
1119 | PAGE_SIZE, DMA_FROM_DEVICE); |
1120 | __free_page(replace_buf->data); | |
1121 | } | |
1122 | } | |
1123 | } | |
1124 | ||
1a635e48 | 1125 | static void qede_free_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) |
2950219d | 1126 | { |
55482edc MC |
1127 | qede_free_sge_mem(edev, rxq); |
1128 | ||
2950219d YM |
1129 | /* Free rx buffers */ |
1130 | qede_free_rx_buffers(edev, rxq); | |
1131 | ||
1132 | /* Free the parallel SW ring */ | |
1133 | kfree(rxq->sw_rx_ring); | |
1134 | ||
1135 | /* Free the real RQ ring used by FW */ | |
1136 | edev->ops->common->chain_free(edev->cdev, &rxq->rx_bd_ring); | |
1137 | edev->ops->common->chain_free(edev->cdev, &rxq->rx_comp_ring); | |
1138 | } | |
1139 | ||
1a635e48 | 1140 | static int qede_alloc_sge_mem(struct qede_dev *edev, struct qede_rx_queue *rxq) |
55482edc MC |
1141 | { |
1142 | dma_addr_t mapping; | |
1143 | int i; | |
1144 | ||
496e0517 MY |
1145 | /* Don't perform FW aggregations in case of XDP */ |
1146 | if (edev->xdp_prog) | |
1147 | edev->gro_disable = 1; | |
1148 | ||
55482edc MC |
1149 | if (edev->gro_disable) |
1150 | return 0; | |
1151 | ||
1152 | if (edev->ndev->mtu > PAGE_SIZE) { | |
1153 | edev->gro_disable = 1; | |
1154 | return 0; | |
1155 | } | |
1156 | ||
1157 | for (i = 0; i < ETH_TPA_MAX_AGGS_NUM; i++) { | |
1158 | struct qede_agg_info *tpa_info = &rxq->tpa_info[i]; | |
01e23015 | 1159 | struct sw_rx_data *replace_buf = &tpa_info->buffer; |
55482edc MC |
1160 | |
1161 | replace_buf->data = alloc_pages(GFP_ATOMIC, 0); | |
1162 | if (unlikely(!replace_buf->data)) { | |
1163 | DP_NOTICE(edev, | |
1164 | "Failed to allocate TPA skb pool [replacement buffer]\n"); | |
1165 | goto err; | |
1166 | } | |
1167 | ||
1168 | mapping = dma_map_page(&edev->pdev->dev, replace_buf->data, 0, | |
9512925a | 1169 | PAGE_SIZE, DMA_FROM_DEVICE); |
55482edc MC |
1170 | if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) { |
1171 | DP_NOTICE(edev, | |
1172 | "Failed to map TPA replacement buffer\n"); | |
1173 | goto err; | |
1174 | } | |
1175 | ||
09ec8e7f | 1176 | replace_buf->mapping = mapping; |
01e23015 MY |
1177 | tpa_info->buffer.page_offset = 0; |
1178 | tpa_info->buffer_mapping = mapping; | |
1179 | tpa_info->state = QEDE_AGG_STATE_NONE; | |
55482edc MC |
1180 | } |
1181 | ||
1182 | return 0; | |
1183 | err: | |
1184 | qede_free_sge_mem(edev, rxq); | |
1185 | edev->gro_disable = 1; | |
1186 | return -ENOMEM; | |
1187 | } | |
1188 | ||
2950219d | 1189 | /* This function allocates all memory needed per Rx queue */ |
1a635e48 | 1190 | static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) |
2950219d | 1191 | { |
f86af2df | 1192 | int i, rc, size; |
2950219d YM |
1193 | |
1194 | rxq->num_rx_buffers = edev->q_num_rx_buffers; | |
1195 | ||
1a635e48 | 1196 | rxq->rx_buf_size = NET_IP_ALIGN + ETH_OVERHEAD + edev->ndev->mtu; |
059eeb07 | 1197 | rxq->rx_headroom = edev->xdp_prog ? XDP_PACKET_HEADROOM : 0; |
1a635e48 | 1198 | |
15ed8a47 MY |
1199 | /* Make sure that the headroom and payload fit in a single page */ |
1200 | if (rxq->rx_buf_size + rxq->rx_headroom > PAGE_SIZE) | |
1201 | rxq->rx_buf_size = PAGE_SIZE - rxq->rx_headroom; | |
fc48b7a6 | 1202 | |
496e0517 MY |
1203 | /* Segment size to spilt a page in multiple equal parts, |
1204 | * unless XDP is used in which case we'd use the entire page. | |
1205 | */ | |
1206 | if (!edev->xdp_prog) | |
1207 | rxq->rx_buf_seg_size = roundup_pow_of_two(rxq->rx_buf_size); | |
1208 | else | |
1209 | rxq->rx_buf_seg_size = PAGE_SIZE; | |
2950219d YM |
1210 | |
1211 | /* Allocate the parallel driver ring for Rx buffers */ | |
fc48b7a6 | 1212 | size = sizeof(*rxq->sw_rx_ring) * RX_RING_SIZE; |
2950219d YM |
1213 | rxq->sw_rx_ring = kzalloc(size, GFP_KERNEL); |
1214 | if (!rxq->sw_rx_ring) { | |
1215 | DP_ERR(edev, "Rx buffers ring allocation failed\n"); | |
f86af2df | 1216 | rc = -ENOMEM; |
2950219d YM |
1217 | goto err; |
1218 | } | |
1219 | ||
1220 | /* Allocate FW Rx ring */ | |
1221 | rc = edev->ops->common->chain_alloc(edev->cdev, | |
1222 | QED_CHAIN_USE_TO_CONSUME_PRODUCE, | |
1223 | QED_CHAIN_MODE_NEXT_PTR, | |
a91eb52a | 1224 | QED_CHAIN_CNT_TYPE_U16, |
fc48b7a6 | 1225 | RX_RING_SIZE, |
2950219d YM |
1226 | sizeof(struct eth_rx_bd), |
1227 | &rxq->rx_bd_ring); | |
1228 | ||
1229 | if (rc) | |
1230 | goto err; | |
1231 | ||
1232 | /* Allocate FW completion ring */ | |
1233 | rc = edev->ops->common->chain_alloc(edev->cdev, | |
1234 | QED_CHAIN_USE_TO_CONSUME, | |
1235 | QED_CHAIN_MODE_PBL, | |
a91eb52a | 1236 | QED_CHAIN_CNT_TYPE_U16, |
fc48b7a6 | 1237 | RX_RING_SIZE, |
2950219d YM |
1238 | sizeof(union eth_rx_cqe), |
1239 | &rxq->rx_comp_ring); | |
1240 | if (rc) | |
1241 | goto err; | |
1242 | ||
1243 | /* Allocate buffers for the Rx ring */ | |
e3eef7ee | 1244 | rxq->filled_buffers = 0; |
2950219d | 1245 | for (i = 0; i < rxq->num_rx_buffers; i++) { |
e3eef7ee | 1246 | rc = qede_alloc_rx_buffer(rxq, false); |
f86af2df MC |
1247 | if (rc) { |
1248 | DP_ERR(edev, | |
1249 | "Rx buffers allocation failed at index %d\n", i); | |
1250 | goto err; | |
1251 | } | |
2950219d YM |
1252 | } |
1253 | ||
f86af2df | 1254 | rc = qede_alloc_sge_mem(edev, rxq); |
2950219d | 1255 | err: |
f86af2df | 1256 | return rc; |
2950219d YM |
1257 | } |
1258 | ||
1a635e48 | 1259 | static void qede_free_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) |
2950219d YM |
1260 | { |
1261 | /* Free the parallel SW ring */ | |
cb6aeb07 | 1262 | if (txq->is_xdp) |
89e1afc4 | 1263 | kfree(txq->sw_tx_ring.xdp); |
cb6aeb07 MY |
1264 | else |
1265 | kfree(txq->sw_tx_ring.skbs); | |
2950219d YM |
1266 | |
1267 | /* Free the real RQ ring used by FW */ | |
1268 | edev->ops->common->chain_free(edev->cdev, &txq->tx_pbl); | |
1269 | } | |
1270 | ||
1271 | /* This function allocates all memory needed per Tx queue */ | |
1a635e48 | 1272 | static int qede_alloc_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) |
2950219d | 1273 | { |
2950219d | 1274 | union eth_tx_bd_types *p_virt; |
cb6aeb07 | 1275 | int size, rc; |
2950219d YM |
1276 | |
1277 | txq->num_tx_buffers = edev->q_num_tx_buffers; | |
1278 | ||
1279 | /* Allocate the parallel driver ring for Tx buffers */ | |
cb6aeb07 | 1280 | if (txq->is_xdp) { |
89e1afc4 MY |
1281 | size = sizeof(*txq->sw_tx_ring.xdp) * TX_RING_SIZE; |
1282 | txq->sw_tx_ring.xdp = kzalloc(size, GFP_KERNEL); | |
1283 | if (!txq->sw_tx_ring.xdp) | |
cb6aeb07 MY |
1284 | goto err; |
1285 | } else { | |
1286 | size = sizeof(*txq->sw_tx_ring.skbs) * TX_RING_SIZE; | |
1287 | txq->sw_tx_ring.skbs = kzalloc(size, GFP_KERNEL); | |
1288 | if (!txq->sw_tx_ring.skbs) | |
1289 | goto err; | |
2950219d YM |
1290 | } |
1291 | ||
1292 | rc = edev->ops->common->chain_alloc(edev->cdev, | |
1293 | QED_CHAIN_USE_TO_CONSUME_PRODUCE, | |
1294 | QED_CHAIN_MODE_PBL, | |
a91eb52a | 1295 | QED_CHAIN_CNT_TYPE_U16, |
087892d2 | 1296 | TX_RING_SIZE, |
a91eb52a | 1297 | sizeof(*p_virt), &txq->tx_pbl); |
2950219d YM |
1298 | if (rc) |
1299 | goto err; | |
1300 | ||
1301 | return 0; | |
1302 | ||
1303 | err: | |
1304 | qede_free_mem_txq(edev, txq); | |
1305 | return -ENOMEM; | |
1306 | } | |
1307 | ||
1308 | /* This function frees all memory of a single fp */ | |
1a635e48 | 1309 | static void qede_free_mem_fp(struct qede_dev *edev, struct qede_fastpath *fp) |
2950219d | 1310 | { |
2950219d YM |
1311 | qede_free_mem_sb(edev, fp->sb_info); |
1312 | ||
9a4d7e86 SRK |
1313 | if (fp->type & QEDE_FASTPATH_RX) |
1314 | qede_free_mem_rxq(edev, fp->rxq); | |
2950219d | 1315 | |
9a4d7e86 | 1316 | if (fp->type & QEDE_FASTPATH_TX) |
80439a17 | 1317 | qede_free_mem_txq(edev, fp->txq); |
2950219d YM |
1318 | } |
1319 | ||
1320 | /* This function allocates all memory needed for a single fp (i.e. an entity | |
9a4d7e86 | 1321 | * which contains status block, one rx queue and/or multiple per-TC tx queues. |
2950219d | 1322 | */ |
1a635e48 | 1323 | static int qede_alloc_mem_fp(struct qede_dev *edev, struct qede_fastpath *fp) |
2950219d | 1324 | { |
cb6aeb07 | 1325 | int rc = 0; |
2950219d | 1326 | |
9a4d7e86 | 1327 | rc = qede_alloc_mem_sb(edev, fp->sb_info, fp->id); |
2950219d | 1328 | if (rc) |
cb6aeb07 | 1329 | goto out; |
2950219d | 1330 | |
9a4d7e86 SRK |
1331 | if (fp->type & QEDE_FASTPATH_RX) { |
1332 | rc = qede_alloc_mem_rxq(edev, fp->rxq); | |
2950219d | 1333 | if (rc) |
cb6aeb07 MY |
1334 | goto out; |
1335 | } | |
1336 | ||
1337 | if (fp->type & QEDE_FASTPATH_XDP) { | |
1338 | rc = qede_alloc_mem_txq(edev, fp->xdp_tx); | |
1339 | if (rc) | |
1340 | goto out; | |
2950219d YM |
1341 | } |
1342 | ||
9a4d7e86 | 1343 | if (fp->type & QEDE_FASTPATH_TX) { |
80439a17 MY |
1344 | rc = qede_alloc_mem_txq(edev, fp->txq); |
1345 | if (rc) | |
cb6aeb07 | 1346 | goto out; |
9a4d7e86 SRK |
1347 | } |
1348 | ||
cb6aeb07 | 1349 | out: |
f86af2df | 1350 | return rc; |
2950219d YM |
1351 | } |
1352 | ||
1353 | static void qede_free_mem_load(struct qede_dev *edev) | |
1354 | { | |
1355 | int i; | |
1356 | ||
9a4d7e86 | 1357 | for_each_queue(i) { |
2950219d YM |
1358 | struct qede_fastpath *fp = &edev->fp_array[i]; |
1359 | ||
1360 | qede_free_mem_fp(edev, fp); | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | /* This function allocates all qede memory at NIC load. */ | |
1365 | static int qede_alloc_mem_load(struct qede_dev *edev) | |
1366 | { | |
9a4d7e86 | 1367 | int rc = 0, queue_id; |
2950219d | 1368 | |
9a4d7e86 SRK |
1369 | for (queue_id = 0; queue_id < QEDE_QUEUE_CNT(edev); queue_id++) { |
1370 | struct qede_fastpath *fp = &edev->fp_array[queue_id]; | |
2950219d YM |
1371 | |
1372 | rc = qede_alloc_mem_fp(edev, fp); | |
f86af2df | 1373 | if (rc) { |
2950219d | 1374 | DP_ERR(edev, |
f86af2df | 1375 | "Failed to allocate memory for fastpath - rss id = %d\n", |
9a4d7e86 | 1376 | queue_id); |
f86af2df MC |
1377 | qede_free_mem_load(edev); |
1378 | return rc; | |
2950219d | 1379 | } |
2950219d YM |
1380 | } |
1381 | ||
1382 | return 0; | |
1383 | } | |
1384 | ||
1385 | /* This function inits fp content and resets the SB, RXQ and TXQ structures */ | |
1386 | static void qede_init_fp(struct qede_dev *edev) | |
1387 | { | |
80439a17 | 1388 | int queue_id, rxq_index = 0, txq_index = 0; |
2950219d YM |
1389 | struct qede_fastpath *fp; |
1390 | ||
9a4d7e86 SRK |
1391 | for_each_queue(queue_id) { |
1392 | fp = &edev->fp_array[queue_id]; | |
2950219d YM |
1393 | |
1394 | fp->edev = edev; | |
9a4d7e86 | 1395 | fp->id = queue_id; |
2950219d | 1396 | |
cb6aeb07 MY |
1397 | if (fp->type & QEDE_FASTPATH_XDP) { |
1398 | fp->xdp_tx->index = QEDE_TXQ_IDX_TO_XDP(edev, | |
1399 | rxq_index); | |
1400 | fp->xdp_tx->is_xdp = 1; | |
1401 | } | |
2950219d | 1402 | |
9a4d7e86 | 1403 | if (fp->type & QEDE_FASTPATH_RX) { |
9a4d7e86 | 1404 | fp->rxq->rxq_id = rxq_index++; |
cb6aeb07 MY |
1405 | |
1406 | /* Determine how to map buffers for this queue */ | |
1407 | if (fp->type & QEDE_FASTPATH_XDP) | |
1408 | fp->rxq->data_direction = DMA_BIDIRECTIONAL; | |
1409 | else | |
1410 | fp->rxq->data_direction = DMA_FROM_DEVICE; | |
9eb22357 | 1411 | fp->rxq->dev = &edev->pdev->dev; |
9a4d7e86 | 1412 | } |
2950219d | 1413 | |
9a4d7e86 | 1414 | if (fp->type & QEDE_FASTPATH_TX) { |
80439a17 MY |
1415 | fp->txq->index = txq_index++; |
1416 | if (edev->dev_info.is_legacy) | |
1417 | fp->txq->is_legacy = 1; | |
9eb22357 | 1418 | fp->txq->dev = &edev->pdev->dev; |
2950219d YM |
1419 | } |
1420 | ||
1421 | snprintf(fp->name, sizeof(fp->name), "%s-fp-%d", | |
9a4d7e86 | 1422 | edev->ndev->name, queue_id); |
2950219d | 1423 | } |
55482edc MC |
1424 | |
1425 | edev->gro_disable = !(edev->ndev->features & NETIF_F_GRO); | |
2950219d YM |
1426 | } |
1427 | ||
1428 | static int qede_set_real_num_queues(struct qede_dev *edev) | |
1429 | { | |
1430 | int rc = 0; | |
1431 | ||
9a4d7e86 | 1432 | rc = netif_set_real_num_tx_queues(edev->ndev, QEDE_TSS_COUNT(edev)); |
2950219d YM |
1433 | if (rc) { |
1434 | DP_NOTICE(edev, "Failed to set real number of Tx queues\n"); | |
1435 | return rc; | |
1436 | } | |
9a4d7e86 SRK |
1437 | |
1438 | rc = netif_set_real_num_rx_queues(edev->ndev, QEDE_RSS_COUNT(edev)); | |
2950219d YM |
1439 | if (rc) { |
1440 | DP_NOTICE(edev, "Failed to set real number of Rx queues\n"); | |
1441 | return rc; | |
1442 | } | |
1443 | ||
1444 | return 0; | |
1445 | } | |
1446 | ||
1447 | static void qede_napi_disable_remove(struct qede_dev *edev) | |
1448 | { | |
1449 | int i; | |
1450 | ||
9a4d7e86 | 1451 | for_each_queue(i) { |
2950219d YM |
1452 | napi_disable(&edev->fp_array[i].napi); |
1453 | ||
1454 | netif_napi_del(&edev->fp_array[i].napi); | |
1455 | } | |
1456 | } | |
1457 | ||
1458 | static void qede_napi_add_enable(struct qede_dev *edev) | |
1459 | { | |
1460 | int i; | |
1461 | ||
1462 | /* Add NAPI objects */ | |
9a4d7e86 | 1463 | for_each_queue(i) { |
2950219d YM |
1464 | netif_napi_add(edev->ndev, &edev->fp_array[i].napi, |
1465 | qede_poll, NAPI_POLL_WEIGHT); | |
1466 | napi_enable(&edev->fp_array[i].napi); | |
1467 | } | |
1468 | } | |
1469 | ||
1470 | static void qede_sync_free_irqs(struct qede_dev *edev) | |
1471 | { | |
1472 | int i; | |
1473 | ||
1474 | for (i = 0; i < edev->int_info.used_cnt; i++) { | |
1475 | if (edev->int_info.msix_cnt) { | |
1476 | synchronize_irq(edev->int_info.msix[i].vector); | |
1477 | free_irq(edev->int_info.msix[i].vector, | |
1478 | &edev->fp_array[i]); | |
1479 | } else { | |
1480 | edev->ops->common->simd_handler_clean(edev->cdev, i); | |
1481 | } | |
1482 | } | |
1483 | ||
1484 | edev->int_info.used_cnt = 0; | |
1485 | } | |
1486 | ||
1487 | static int qede_req_msix_irqs(struct qede_dev *edev) | |
1488 | { | |
1489 | int i, rc; | |
1490 | ||
1491 | /* Sanitize number of interrupts == number of prepared RSS queues */ | |
9a4d7e86 | 1492 | if (QEDE_QUEUE_CNT(edev) > edev->int_info.msix_cnt) { |
2950219d YM |
1493 | DP_ERR(edev, |
1494 | "Interrupt mismatch: %d RSS queues > %d MSI-x vectors\n", | |
9a4d7e86 | 1495 | QEDE_QUEUE_CNT(edev), edev->int_info.msix_cnt); |
2950219d YM |
1496 | return -EINVAL; |
1497 | } | |
1498 | ||
9a4d7e86 | 1499 | for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { |
e4917d46 CM |
1500 | #ifdef CONFIG_RFS_ACCEL |
1501 | struct qede_fastpath *fp = &edev->fp_array[i]; | |
1502 | ||
1503 | if (edev->ndev->rx_cpu_rmap && (fp->type & QEDE_FASTPATH_RX)) { | |
1504 | rc = irq_cpu_rmap_add(edev->ndev->rx_cpu_rmap, | |
1505 | edev->int_info.msix[i].vector); | |
1506 | if (rc) { | |
1507 | DP_ERR(edev, "Failed to add CPU rmap\n"); | |
1508 | qede_free_arfs(edev); | |
1509 | } | |
1510 | } | |
1511 | #endif | |
2950219d YM |
1512 | rc = request_irq(edev->int_info.msix[i].vector, |
1513 | qede_msix_fp_int, 0, edev->fp_array[i].name, | |
1514 | &edev->fp_array[i]); | |
1515 | if (rc) { | |
1516 | DP_ERR(edev, "Request fp %d irq failed\n", i); | |
1517 | qede_sync_free_irqs(edev); | |
1518 | return rc; | |
1519 | } | |
1520 | DP_VERBOSE(edev, NETIF_MSG_INTR, | |
1521 | "Requested fp irq for %s [entry %d]. Cookie is at %p\n", | |
1522 | edev->fp_array[i].name, i, | |
1523 | &edev->fp_array[i]); | |
1524 | edev->int_info.used_cnt++; | |
1525 | } | |
1526 | ||
1527 | return 0; | |
1528 | } | |
1529 | ||
1530 | static void qede_simd_fp_handler(void *cookie) | |
1531 | { | |
1532 | struct qede_fastpath *fp = (struct qede_fastpath *)cookie; | |
1533 | ||
1534 | napi_schedule_irqoff(&fp->napi); | |
1535 | } | |
1536 | ||
1537 | static int qede_setup_irqs(struct qede_dev *edev) | |
1538 | { | |
1539 | int i, rc = 0; | |
1540 | ||
1541 | /* Learn Interrupt configuration */ | |
1542 | rc = edev->ops->common->get_fp_int(edev->cdev, &edev->int_info); | |
1543 | if (rc) | |
1544 | return rc; | |
1545 | ||
1546 | if (edev->int_info.msix_cnt) { | |
1547 | rc = qede_req_msix_irqs(edev); | |
1548 | if (rc) | |
1549 | return rc; | |
1550 | edev->ndev->irq = edev->int_info.msix[0].vector; | |
1551 | } else { | |
1552 | const struct qed_common_ops *ops; | |
1553 | ||
1554 | /* qed should learn receive the RSS ids and callbacks */ | |
1555 | ops = edev->ops->common; | |
9a4d7e86 | 1556 | for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) |
2950219d YM |
1557 | ops->simd_handler_config(edev->cdev, |
1558 | &edev->fp_array[i], i, | |
1559 | qede_simd_fp_handler); | |
9a4d7e86 | 1560 | edev->int_info.used_cnt = QEDE_QUEUE_CNT(edev); |
2950219d YM |
1561 | } |
1562 | return 0; | |
1563 | } | |
1564 | ||
1565 | static int qede_drain_txq(struct qede_dev *edev, | |
1a635e48 | 1566 | struct qede_tx_queue *txq, bool allow_drain) |
2950219d YM |
1567 | { |
1568 | int rc, cnt = 1000; | |
1569 | ||
1570 | while (txq->sw_tx_cons != txq->sw_tx_prod) { | |
1571 | if (!cnt) { | |
1572 | if (allow_drain) { | |
1573 | DP_NOTICE(edev, | |
1574 | "Tx queue[%d] is stuck, requesting MCP to drain\n", | |
1575 | txq->index); | |
1576 | rc = edev->ops->common->drain(edev->cdev); | |
1577 | if (rc) | |
1578 | return rc; | |
1579 | return qede_drain_txq(edev, txq, false); | |
1580 | } | |
1581 | DP_NOTICE(edev, | |
1582 | "Timeout waiting for tx queue[%d]: PROD=%d, CONS=%d\n", | |
1583 | txq->index, txq->sw_tx_prod, | |
1584 | txq->sw_tx_cons); | |
1585 | return -ENODEV; | |
1586 | } | |
1587 | cnt--; | |
1588 | usleep_range(1000, 2000); | |
1589 | barrier(); | |
1590 | } | |
1591 | ||
1592 | /* FW finished processing, wait for HW to transmit all tx packets */ | |
1593 | usleep_range(1000, 2000); | |
1594 | ||
1595 | return 0; | |
1596 | } | |
1597 | ||
3da7a37a MY |
1598 | static int qede_stop_txq(struct qede_dev *edev, |
1599 | struct qede_tx_queue *txq, int rss_id) | |
1600 | { | |
1601 | return edev->ops->q_tx_stop(edev->cdev, rss_id, txq->handle); | |
1602 | } | |
1603 | ||
2950219d YM |
1604 | static int qede_stop_queues(struct qede_dev *edev) |
1605 | { | |
f29ffdb6 | 1606 | struct qed_update_vport_params *vport_update_params; |
2950219d | 1607 | struct qed_dev *cdev = edev->cdev; |
80439a17 MY |
1608 | struct qede_fastpath *fp; |
1609 | int rc, i; | |
2950219d YM |
1610 | |
1611 | /* Disable the vport */ | |
f29ffdb6 MY |
1612 | vport_update_params = vzalloc(sizeof(*vport_update_params)); |
1613 | if (!vport_update_params) | |
1614 | return -ENOMEM; | |
1615 | ||
1616 | vport_update_params->vport_id = 0; | |
1617 | vport_update_params->update_vport_active_flg = 1; | |
1618 | vport_update_params->vport_active_flg = 0; | |
1619 | vport_update_params->update_rss_flg = 0; | |
1620 | ||
1621 | rc = edev->ops->vport_update(cdev, vport_update_params); | |
1622 | vfree(vport_update_params); | |
2950219d | 1623 | |
2950219d YM |
1624 | if (rc) { |
1625 | DP_ERR(edev, "Failed to update vport\n"); | |
1626 | return rc; | |
1627 | } | |
1628 | ||
1629 | /* Flush Tx queues. If needed, request drain from MCP */ | |
9a4d7e86 | 1630 | for_each_queue(i) { |
80439a17 | 1631 | fp = &edev->fp_array[i]; |
2950219d | 1632 | |
9a4d7e86 | 1633 | if (fp->type & QEDE_FASTPATH_TX) { |
80439a17 MY |
1634 | rc = qede_drain_txq(edev, fp->txq, true); |
1635 | if (rc) | |
1636 | return rc; | |
2950219d | 1637 | } |
cb6aeb07 MY |
1638 | |
1639 | if (fp->type & QEDE_FASTPATH_XDP) { | |
1640 | rc = qede_drain_txq(edev, fp->xdp_tx, true); | |
1641 | if (rc) | |
1642 | return rc; | |
1643 | } | |
2950219d YM |
1644 | } |
1645 | ||
9a4d7e86 SRK |
1646 | /* Stop all Queues in reverse order */ |
1647 | for (i = QEDE_QUEUE_CNT(edev) - 1; i >= 0; i--) { | |
80439a17 MY |
1648 | fp = &edev->fp_array[i]; |
1649 | ||
9a4d7e86 | 1650 | /* Stop the Tx Queue(s) */ |
80439a17 | 1651 | if (fp->type & QEDE_FASTPATH_TX) { |
3da7a37a MY |
1652 | rc = qede_stop_txq(edev, fp->txq, i); |
1653 | if (rc) | |
1654 | return rc; | |
2950219d YM |
1655 | } |
1656 | ||
9a4d7e86 | 1657 | /* Stop the Rx Queue */ |
80439a17 | 1658 | if (fp->type & QEDE_FASTPATH_RX) { |
3da7a37a | 1659 | rc = edev->ops->q_rx_stop(cdev, i, fp->rxq->handle); |
9a4d7e86 SRK |
1660 | if (rc) { |
1661 | DP_ERR(edev, "Failed to stop RXQ #%d\n", i); | |
1662 | return rc; | |
1663 | } | |
2950219d | 1664 | } |
496e0517 | 1665 | |
cb6aeb07 MY |
1666 | /* Stop the XDP forwarding queue */ |
1667 | if (fp->type & QEDE_FASTPATH_XDP) { | |
1668 | rc = qede_stop_txq(edev, fp->xdp_tx, i); | |
1669 | if (rc) | |
1670 | return rc; | |
1671 | ||
496e0517 | 1672 | bpf_prog_put(fp->rxq->xdp_prog); |
cb6aeb07 | 1673 | } |
2950219d YM |
1674 | } |
1675 | ||
1676 | /* Stop the vport */ | |
1677 | rc = edev->ops->vport_stop(cdev, 0); | |
1678 | if (rc) | |
1679 | DP_ERR(edev, "Failed to stop VPORT\n"); | |
1680 | ||
1681 | return rc; | |
1682 | } | |
1683 | ||
3da7a37a MY |
1684 | static int qede_start_txq(struct qede_dev *edev, |
1685 | struct qede_fastpath *fp, | |
1686 | struct qede_tx_queue *txq, u8 rss_id, u16 sb_idx) | |
1687 | { | |
1688 | dma_addr_t phys_table = qed_chain_get_pbl_phys(&txq->tx_pbl); | |
1689 | u32 page_cnt = qed_chain_get_page_cnt(&txq->tx_pbl); | |
1690 | struct qed_queue_start_common_params params; | |
1691 | struct qed_txq_start_ret_params ret_params; | |
1692 | int rc; | |
1693 | ||
1694 | memset(¶ms, 0, sizeof(params)); | |
1695 | memset(&ret_params, 0, sizeof(ret_params)); | |
1696 | ||
cb6aeb07 MY |
1697 | /* Let the XDP queue share the queue-zone with one of the regular txq. |
1698 | * We don't really care about its coalescing. | |
1699 | */ | |
1700 | if (txq->is_xdp) | |
1701 | params.queue_id = QEDE_TXQ_XDP_TO_IDX(edev, txq); | |
1702 | else | |
1703 | params.queue_id = txq->index; | |
1704 | ||
3da7a37a MY |
1705 | params.sb = fp->sb_info->igu_sb_id; |
1706 | params.sb_idx = sb_idx; | |
1707 | ||
1708 | rc = edev->ops->q_tx_start(edev->cdev, rss_id, ¶ms, phys_table, | |
1709 | page_cnt, &ret_params); | |
1710 | if (rc) { | |
1711 | DP_ERR(edev, "Start TXQ #%d failed %d\n", txq->index, rc); | |
1712 | return rc; | |
1713 | } | |
1714 | ||
1715 | txq->doorbell_addr = ret_params.p_doorbell; | |
1716 | txq->handle = ret_params.p_handle; | |
1717 | ||
1718 | /* Determine the FW consumer address associated */ | |
1719 | txq->hw_cons_ptr = &fp->sb_info->sb_virt->pi_array[sb_idx]; | |
1720 | ||
1721 | /* Prepare the doorbell parameters */ | |
1722 | SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_DEST, DB_DEST_XCM); | |
1723 | SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_AGG_CMD, DB_AGG_CMD_SET); | |
1724 | SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_AGG_VAL_SEL, | |
1725 | DQ_XCM_ETH_TX_BD_PROD_CMD); | |
1726 | txq->tx_db.data.agg_flags = DQ_XCM_ETH_DQ_CF_CMD; | |
1727 | ||
1728 | return rc; | |
1729 | } | |
1730 | ||
a0d26d5a | 1731 | static int qede_start_queues(struct qede_dev *edev, bool clear_stats) |
2950219d | 1732 | { |
088c8618 | 1733 | int vlan_removal_en = 1; |
2950219d | 1734 | struct qed_dev *cdev = edev->cdev; |
fefb0202 | 1735 | struct qed_dev_info *qed_info = &edev->dev_info.common; |
f29ffdb6 MY |
1736 | struct qed_update_vport_params *vport_update_params; |
1737 | struct qed_queue_start_common_params q_params; | |
088c8618 | 1738 | struct qed_start_vport_params start = {0}; |
80439a17 | 1739 | int rc, i; |
2950219d | 1740 | |
9a4d7e86 | 1741 | if (!edev->num_queues) { |
2950219d YM |
1742 | DP_ERR(edev, |
1743 | "Cannot update V-VPORT as active as there are no Rx queues\n"); | |
1744 | return -EINVAL; | |
1745 | } | |
1746 | ||
f29ffdb6 MY |
1747 | vport_update_params = vzalloc(sizeof(*vport_update_params)); |
1748 | if (!vport_update_params) | |
1749 | return -ENOMEM; | |
1750 | ||
4c55215c | 1751 | start.handle_ptp_pkts = !!(edev->ptp); |
55482edc | 1752 | start.gro_enable = !edev->gro_disable; |
088c8618 MC |
1753 | start.mtu = edev->ndev->mtu; |
1754 | start.vport_id = 0; | |
1755 | start.drop_ttl0 = true; | |
1756 | start.remove_inner_vlan = vlan_removal_en; | |
7f7a144f | 1757 | start.clear_stats = clear_stats; |
088c8618 MC |
1758 | |
1759 | rc = edev->ops->vport_start(cdev, &start); | |
2950219d YM |
1760 | |
1761 | if (rc) { | |
1762 | DP_ERR(edev, "Start V-PORT failed %d\n", rc); | |
f29ffdb6 | 1763 | goto out; |
2950219d YM |
1764 | } |
1765 | ||
1766 | DP_VERBOSE(edev, NETIF_MSG_IFUP, | |
1767 | "Start vport ramrod passed, vport_id = %d, MTU = %d, vlan_removal_en = %d\n", | |
088c8618 | 1768 | start.vport_id, edev->ndev->mtu + 0xe, vlan_removal_en); |
2950219d | 1769 | |
9a4d7e86 | 1770 | for_each_queue(i) { |
2950219d | 1771 | struct qede_fastpath *fp = &edev->fp_array[i]; |
9a4d7e86 SRK |
1772 | dma_addr_t p_phys_table; |
1773 | u32 page_cnt; | |
2950219d | 1774 | |
9a4d7e86 | 1775 | if (fp->type & QEDE_FASTPATH_RX) { |
3da7a37a | 1776 | struct qed_rxq_start_ret_params ret_params; |
9a4d7e86 SRK |
1777 | struct qede_rx_queue *rxq = fp->rxq; |
1778 | __le16 *val; | |
2950219d | 1779 | |
3da7a37a | 1780 | memset(&ret_params, 0, sizeof(ret_params)); |
9a4d7e86 | 1781 | memset(&q_params, 0, sizeof(q_params)); |
9a4d7e86 SRK |
1782 | q_params.queue_id = rxq->rxq_id; |
1783 | q_params.vport_id = 0; | |
1784 | q_params.sb = fp->sb_info->igu_sb_id; | |
1785 | q_params.sb_idx = RX_PI; | |
1786 | ||
1787 | p_phys_table = | |
1788 | qed_chain_get_pbl_phys(&rxq->rx_comp_ring); | |
1789 | page_cnt = qed_chain_get_page_cnt(&rxq->rx_comp_ring); | |
1790 | ||
3da7a37a | 1791 | rc = edev->ops->q_rx_start(cdev, i, &q_params, |
9a4d7e86 SRK |
1792 | rxq->rx_buf_size, |
1793 | rxq->rx_bd_ring.p_phys_addr, | |
1794 | p_phys_table, | |
3da7a37a | 1795 | page_cnt, &ret_params); |
9a4d7e86 SRK |
1796 | if (rc) { |
1797 | DP_ERR(edev, "Start RXQ #%d failed %d\n", i, | |
1798 | rc); | |
f29ffdb6 | 1799 | goto out; |
9a4d7e86 SRK |
1800 | } |
1801 | ||
3da7a37a MY |
1802 | /* Use the return parameters */ |
1803 | rxq->hw_rxq_prod_addr = ret_params.p_prod; | |
1804 | rxq->handle = ret_params.p_handle; | |
1805 | ||
9a4d7e86 SRK |
1806 | val = &fp->sb_info->sb_virt->pi_array[RX_PI]; |
1807 | rxq->hw_cons_ptr = val; | |
1808 | ||
1809 | qede_update_rx_prod(edev, rxq); | |
1810 | } | |
1811 | ||
496e0517 | 1812 | if (fp->type & QEDE_FASTPATH_XDP) { |
cb6aeb07 MY |
1813 | rc = qede_start_txq(edev, fp, fp->xdp_tx, i, XDP_PI); |
1814 | if (rc) | |
f29ffdb6 | 1815 | goto out; |
cb6aeb07 | 1816 | |
496e0517 MY |
1817 | fp->rxq->xdp_prog = bpf_prog_add(edev->xdp_prog, 1); |
1818 | if (IS_ERR(fp->rxq->xdp_prog)) { | |
1819 | rc = PTR_ERR(fp->rxq->xdp_prog); | |
1820 | fp->rxq->xdp_prog = NULL; | |
f29ffdb6 | 1821 | goto out; |
496e0517 MY |
1822 | } |
1823 | } | |
1824 | ||
80439a17 | 1825 | if (fp->type & QEDE_FASTPATH_TX) { |
3da7a37a MY |
1826 | rc = qede_start_txq(edev, fp, fp->txq, i, TX_PI(0)); |
1827 | if (rc) | |
f29ffdb6 | 1828 | goto out; |
2950219d YM |
1829 | } |
1830 | } | |
1831 | ||
1832 | /* Prepare and send the vport enable */ | |
f29ffdb6 MY |
1833 | vport_update_params->vport_id = start.vport_id; |
1834 | vport_update_params->update_vport_active_flg = 1; | |
1835 | vport_update_params->vport_active_flg = 1; | |
2950219d | 1836 | |
831bfb0e YM |
1837 | if ((qed_info->mf_mode == QED_MF_NPAR || pci_num_vf(edev->pdev)) && |
1838 | qed_info->tx_switching) { | |
f29ffdb6 MY |
1839 | vport_update_params->update_tx_switching_flg = 1; |
1840 | vport_update_params->tx_switching_flg = 1; | |
831bfb0e YM |
1841 | } |
1842 | ||
f29ffdb6 MY |
1843 | qede_fill_rss_params(edev, &vport_update_params->rss_params, |
1844 | &vport_update_params->update_rss_flg); | |
961acdea | 1845 | |
f29ffdb6 MY |
1846 | rc = edev->ops->vport_update(cdev, vport_update_params); |
1847 | if (rc) | |
2950219d | 1848 | DP_ERR(edev, "Update V-PORT failed %d\n", rc); |
2950219d | 1849 | |
f29ffdb6 MY |
1850 | out: |
1851 | vfree(vport_update_params); | |
1852 | return rc; | |
2950219d YM |
1853 | } |
1854 | ||
1855 | enum qede_unload_mode { | |
1856 | QEDE_UNLOAD_NORMAL, | |
1857 | }; | |
1858 | ||
567b3c12 MY |
1859 | static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode, |
1860 | bool is_locked) | |
2950219d | 1861 | { |
a2ec6172 | 1862 | struct qed_link_params link_params; |
2950219d YM |
1863 | int rc; |
1864 | ||
1865 | DP_INFO(edev, "Starting qede unload\n"); | |
1866 | ||
567b3c12 MY |
1867 | if (!is_locked) |
1868 | __qede_lock(edev); | |
1869 | ||
cee9fbd8 | 1870 | qede_roce_dev_event_close(edev); |
0d8e0aa0 SK |
1871 | edev->state = QEDE_STATE_CLOSED; |
1872 | ||
2950219d YM |
1873 | /* Close OS Tx */ |
1874 | netif_tx_disable(edev->ndev); | |
1875 | netif_carrier_off(edev->ndev); | |
1876 | ||
a2ec6172 SK |
1877 | /* Reset the link */ |
1878 | memset(&link_params, 0, sizeof(link_params)); | |
1879 | link_params.link_up = false; | |
1880 | edev->ops->common->set_link(edev->cdev, &link_params); | |
2950219d YM |
1881 | rc = qede_stop_queues(edev); |
1882 | if (rc) { | |
1883 | qede_sync_free_irqs(edev); | |
1884 | goto out; | |
1885 | } | |
1886 | ||
1887 | DP_INFO(edev, "Stopped Queues\n"); | |
1888 | ||
7c1bfcad | 1889 | qede_vlan_mark_nonconfigured(edev); |
2950219d | 1890 | edev->ops->fastpath_stop(edev->cdev); |
e4917d46 CM |
1891 | #ifdef CONFIG_RFS_ACCEL |
1892 | if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { | |
1893 | qede_poll_for_freeing_arfs_filters(edev); | |
1894 | qede_free_arfs(edev); | |
1895 | } | |
1896 | #endif | |
2950219d YM |
1897 | /* Release the interrupts */ |
1898 | qede_sync_free_irqs(edev); | |
1899 | edev->ops->common->set_fp_int(edev->cdev, 0); | |
1900 | ||
1901 | qede_napi_disable_remove(edev); | |
1902 | ||
1903 | qede_free_mem_load(edev); | |
1904 | qede_free_fp_array(edev); | |
1905 | ||
1906 | out: | |
567b3c12 MY |
1907 | if (!is_locked) |
1908 | __qede_unlock(edev); | |
2950219d YM |
1909 | DP_INFO(edev, "Ending qede unload\n"); |
1910 | } | |
1911 | ||
1912 | enum qede_load_mode { | |
1913 | QEDE_LOAD_NORMAL, | |
a0d26d5a | 1914 | QEDE_LOAD_RELOAD, |
2950219d YM |
1915 | }; |
1916 | ||
567b3c12 MY |
1917 | static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, |
1918 | bool is_locked) | |
2950219d | 1919 | { |
a2ec6172 | 1920 | struct qed_link_params link_params; |
2950219d YM |
1921 | int rc; |
1922 | ||
1923 | DP_INFO(edev, "Starting qede load\n"); | |
1924 | ||
567b3c12 MY |
1925 | if (!is_locked) |
1926 | __qede_lock(edev); | |
1927 | ||
2950219d YM |
1928 | rc = qede_set_num_queues(edev); |
1929 | if (rc) | |
567b3c12 | 1930 | goto out; |
2950219d YM |
1931 | |
1932 | rc = qede_alloc_fp_array(edev); | |
1933 | if (rc) | |
567b3c12 | 1934 | goto out; |
2950219d YM |
1935 | |
1936 | qede_init_fp(edev); | |
1937 | ||
1938 | rc = qede_alloc_mem_load(edev); | |
1939 | if (rc) | |
1940 | goto err1; | |
80439a17 MY |
1941 | DP_INFO(edev, "Allocated %d Rx, %d Tx queues\n", |
1942 | QEDE_RSS_COUNT(edev), QEDE_TSS_COUNT(edev)); | |
2950219d YM |
1943 | |
1944 | rc = qede_set_real_num_queues(edev); | |
1945 | if (rc) | |
1946 | goto err2; | |
1947 | ||
e4917d46 CM |
1948 | #ifdef CONFIG_RFS_ACCEL |
1949 | if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { | |
1950 | rc = qede_alloc_arfs(edev); | |
1951 | if (rc) | |
1952 | DP_NOTICE(edev, "aRFS memory allocation failed\n"); | |
1953 | } | |
1954 | #endif | |
2950219d YM |
1955 | qede_napi_add_enable(edev); |
1956 | DP_INFO(edev, "Napi added and enabled\n"); | |
1957 | ||
1958 | rc = qede_setup_irqs(edev); | |
1959 | if (rc) | |
1960 | goto err3; | |
1961 | DP_INFO(edev, "Setup IRQs succeeded\n"); | |
1962 | ||
a0d26d5a | 1963 | rc = qede_start_queues(edev, mode != QEDE_LOAD_RELOAD); |
2950219d YM |
1964 | if (rc) |
1965 | goto err4; | |
1966 | DP_INFO(edev, "Start VPORT, RXQ and TXQ succeeded\n"); | |
1967 | ||
1968 | /* Add primary mac and set Rx filters */ | |
1969 | ether_addr_copy(edev->primary_mac, edev->ndev->dev_addr); | |
1970 | ||
7c1bfcad SRK |
1971 | /* Program un-configured VLANs */ |
1972 | qede_configure_vlan_filters(edev); | |
1973 | ||
a2ec6172 SK |
1974 | /* Ask for link-up using current configuration */ |
1975 | memset(&link_params, 0, sizeof(link_params)); | |
1976 | link_params.link_up = true; | |
1977 | edev->ops->common->set_link(edev->cdev, &link_params); | |
1978 | ||
cee9fbd8 | 1979 | qede_roce_dev_event_open(edev); |
a2ec6172 | 1980 | |
567b3c12 MY |
1981 | edev->state = QEDE_STATE_OPEN; |
1982 | ||
2950219d YM |
1983 | DP_INFO(edev, "Ending successfully qede load\n"); |
1984 | ||
567b3c12 | 1985 | goto out; |
2950219d YM |
1986 | err4: |
1987 | qede_sync_free_irqs(edev); | |
1988 | memset(&edev->int_info.msix_cnt, 0, sizeof(struct qed_int_info)); | |
1989 | err3: | |
1990 | qede_napi_disable_remove(edev); | |
1991 | err2: | |
1992 | qede_free_mem_load(edev); | |
1993 | err1: | |
1994 | edev->ops->common->set_fp_int(edev->cdev, 0); | |
1995 | qede_free_fp_array(edev); | |
9a4d7e86 SRK |
1996 | edev->num_queues = 0; |
1997 | edev->fp_num_tx = 0; | |
1998 | edev->fp_num_rx = 0; | |
567b3c12 MY |
1999 | out: |
2000 | if (!is_locked) | |
2001 | __qede_unlock(edev); | |
2002 | ||
2950219d YM |
2003 | return rc; |
2004 | } | |
2005 | ||
567b3c12 MY |
2006 | /* 'func' should be able to run between unload and reload assuming interface |
2007 | * is actually running, or afterwards in case it's currently DOWN. | |
2008 | */ | |
133fac0e | 2009 | void qede_reload(struct qede_dev *edev, |
567b3c12 | 2010 | struct qede_reload_args *args, bool is_locked) |
133fac0e | 2011 | { |
567b3c12 MY |
2012 | if (!is_locked) |
2013 | __qede_lock(edev); | |
2014 | ||
2015 | /* Since qede_lock is held, internal state wouldn't change even | |
2016 | * if netdev state would start transitioning. Check whether current | |
2017 | * internal configuration indicates device is up, then reload. | |
133fac0e | 2018 | */ |
567b3c12 MY |
2019 | if (edev->state == QEDE_STATE_OPEN) { |
2020 | qede_unload(edev, QEDE_UNLOAD_NORMAL, true); | |
2021 | if (args) | |
2022 | args->func(edev, args); | |
2023 | qede_load(edev, QEDE_LOAD_RELOAD, true); | |
133fac0e | 2024 | |
567b3c12 MY |
2025 | /* Since no one is going to do it for us, re-configure */ |
2026 | qede_config_rx_mode(edev->ndev); | |
2027 | } else if (args) { | |
2028 | args->func(edev, args); | |
2029 | } | |
133fac0e | 2030 | |
567b3c12 MY |
2031 | if (!is_locked) |
2032 | __qede_unlock(edev); | |
133fac0e SK |
2033 | } |
2034 | ||
2950219d YM |
2035 | /* called with rtnl_lock */ |
2036 | static int qede_open(struct net_device *ndev) | |
2037 | { | |
2038 | struct qede_dev *edev = netdev_priv(ndev); | |
b18e170c | 2039 | int rc; |
2950219d YM |
2040 | |
2041 | netif_carrier_off(ndev); | |
2042 | ||
2043 | edev->ops->common->set_power_state(edev->cdev, PCI_D0); | |
2044 | ||
567b3c12 | 2045 | rc = qede_load(edev, QEDE_LOAD_NORMAL, false); |
b18e170c MC |
2046 | if (rc) |
2047 | return rc; | |
2048 | ||
f9f082a9 AD |
2049 | udp_tunnel_get_rx_info(ndev); |
2050 | ||
0fefbfba SK |
2051 | edev->ops->common->update_drv_state(edev->cdev, true); |
2052 | ||
b18e170c | 2053 | return 0; |
2950219d YM |
2054 | } |
2055 | ||
2056 | static int qede_close(struct net_device *ndev) | |
2057 | { | |
2058 | struct qede_dev *edev = netdev_priv(ndev); | |
2059 | ||
567b3c12 | 2060 | qede_unload(edev, QEDE_UNLOAD_NORMAL, false); |
2950219d | 2061 | |
0fefbfba SK |
2062 | edev->ops->common->update_drv_state(edev->cdev, false); |
2063 | ||
2950219d YM |
2064 | return 0; |
2065 | } | |
0d8e0aa0 | 2066 | |
a2ec6172 SK |
2067 | static void qede_link_update(void *dev, struct qed_link_output *link) |
2068 | { | |
2069 | struct qede_dev *edev = dev; | |
2070 | ||
2071 | if (!netif_running(edev->ndev)) { | |
2072 | DP_VERBOSE(edev, NETIF_MSG_LINK, "Interface is not running\n"); | |
2073 | return; | |
2074 | } | |
2075 | ||
2076 | if (link->link_up) { | |
8e025ae2 YM |
2077 | if (!netif_carrier_ok(edev->ndev)) { |
2078 | DP_NOTICE(edev, "Link is up\n"); | |
2079 | netif_tx_start_all_queues(edev->ndev); | |
2080 | netif_carrier_on(edev->ndev); | |
2081 | } | |
a2ec6172 | 2082 | } else { |
8e025ae2 YM |
2083 | if (netif_carrier_ok(edev->ndev)) { |
2084 | DP_NOTICE(edev, "Link is down\n"); | |
2085 | netif_tx_disable(edev->ndev); | |
2086 | netif_carrier_off(edev->ndev); | |
2087 | } | |
a2ec6172 SK |
2088 | } |
2089 | } |