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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> |
e712d52b | 63 | #include "qede.h" |
4c55215c | 64 | #include "qede_ptp.h" |
e712d52b | 65 | |
5abd7e92 YM |
66 | static char version[] = |
67 | "QLogic FastLinQ 4xxxx Ethernet Driver qede " DRV_MODULE_VERSION "\n"; | |
e712d52b | 68 | |
5abd7e92 | 69 | MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Ethernet Driver"); |
e712d52b YM |
70 | MODULE_LICENSE("GPL"); |
71 | MODULE_VERSION(DRV_MODULE_VERSION); | |
72 | ||
73 | static uint debug; | |
74 | module_param(debug, uint, 0); | |
75 | MODULE_PARM_DESC(debug, " Default debug msglevel"); | |
76 | ||
77 | static const struct qed_eth_ops *qed_ops; | |
78 | ||
79 | #define CHIP_NUM_57980S_40 0x1634 | |
0e7441d7 | 80 | #define CHIP_NUM_57980S_10 0x1666 |
e712d52b YM |
81 | #define CHIP_NUM_57980S_MF 0x1636 |
82 | #define CHIP_NUM_57980S_100 0x1644 | |
83 | #define CHIP_NUM_57980S_50 0x1654 | |
84 | #define CHIP_NUM_57980S_25 0x1656 | |
fefb0202 | 85 | #define CHIP_NUM_57980S_IOV 0x1664 |
9c79ddaa MY |
86 | #define CHIP_NUM_AH 0x8070 |
87 | #define CHIP_NUM_AH_IOV 0x8090 | |
e712d52b YM |
88 | |
89 | #ifndef PCI_DEVICE_ID_NX2_57980E | |
90 | #define PCI_DEVICE_ID_57980S_40 CHIP_NUM_57980S_40 | |
91 | #define PCI_DEVICE_ID_57980S_10 CHIP_NUM_57980S_10 | |
92 | #define PCI_DEVICE_ID_57980S_MF CHIP_NUM_57980S_MF | |
93 | #define PCI_DEVICE_ID_57980S_100 CHIP_NUM_57980S_100 | |
94 | #define PCI_DEVICE_ID_57980S_50 CHIP_NUM_57980S_50 | |
95 | #define PCI_DEVICE_ID_57980S_25 CHIP_NUM_57980S_25 | |
fefb0202 | 96 | #define PCI_DEVICE_ID_57980S_IOV CHIP_NUM_57980S_IOV |
9c79ddaa MY |
97 | #define PCI_DEVICE_ID_AH CHIP_NUM_AH |
98 | #define PCI_DEVICE_ID_AH_IOV CHIP_NUM_AH_IOV | |
99 | ||
e712d52b YM |
100 | #endif |
101 | ||
fefb0202 YM |
102 | enum qede_pci_private { |
103 | QEDE_PRIVATE_PF, | |
104 | QEDE_PRIVATE_VF | |
105 | }; | |
106 | ||
e712d52b | 107 | static const struct pci_device_id qede_pci_tbl[] = { |
fefb0202 YM |
108 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_40), QEDE_PRIVATE_PF}, |
109 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_10), QEDE_PRIVATE_PF}, | |
110 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_MF), QEDE_PRIVATE_PF}, | |
111 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_100), QEDE_PRIVATE_PF}, | |
112 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_50), QEDE_PRIVATE_PF}, | |
113 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_25), QEDE_PRIVATE_PF}, | |
14b84e86 | 114 | #ifdef CONFIG_QED_SRIOV |
fefb0202 | 115 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_IOV), QEDE_PRIVATE_VF}, |
9c79ddaa MY |
116 | #endif |
117 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_AH), QEDE_PRIVATE_PF}, | |
118 | #ifdef CONFIG_QED_SRIOV | |
119 | {PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_AH_IOV), QEDE_PRIVATE_VF}, | |
14b84e86 | 120 | #endif |
e712d52b YM |
121 | { 0 } |
122 | }; | |
123 | ||
124 | MODULE_DEVICE_TABLE(pci, qede_pci_tbl); | |
125 | ||
126 | static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id); | |
127 | ||
128 | #define TX_TIMEOUT (5 * HZ) | |
129 | ||
cb6aeb07 MY |
130 | /* Utilize last protocol index for XDP */ |
131 | #define XDP_PI 11 | |
132 | ||
e712d52b | 133 | static void qede_remove(struct pci_dev *pdev); |
14d39648 | 134 | static void qede_shutdown(struct pci_dev *pdev); |
a2ec6172 | 135 | static void qede_link_update(void *dev, struct qed_link_output *link); |
d25b859c SRK |
136 | static void qede_get_eth_tlv_data(void *edev, void *data); |
137 | static void qede_get_generic_tlv_data(void *edev, | |
138 | struct qed_generic_tlvs *data); | |
e712d52b | 139 | |
567b3c12 MY |
140 | /* The qede lock is used to protect driver state change and driver flows that |
141 | * are not reentrant. | |
142 | */ | |
143 | void __qede_lock(struct qede_dev *edev) | |
144 | { | |
145 | mutex_lock(&edev->qede_lock); | |
146 | } | |
147 | ||
148 | void __qede_unlock(struct qede_dev *edev) | |
149 | { | |
150 | mutex_unlock(&edev->qede_lock); | |
151 | } | |
152 | ||
fefb0202 | 153 | #ifdef CONFIG_QED_SRIOV |
79aab093 MS |
154 | static int qede_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, u8 qos, |
155 | __be16 vlan_proto) | |
08feecd7 YM |
156 | { |
157 | struct qede_dev *edev = netdev_priv(ndev); | |
158 | ||
159 | if (vlan > 4095) { | |
160 | DP_NOTICE(edev, "Illegal vlan value %d\n", vlan); | |
161 | return -EINVAL; | |
162 | } | |
163 | ||
79aab093 MS |
164 | if (vlan_proto != htons(ETH_P_8021Q)) |
165 | return -EPROTONOSUPPORT; | |
166 | ||
08feecd7 YM |
167 | DP_VERBOSE(edev, QED_MSG_IOV, "Setting Vlan 0x%04x to VF [%d]\n", |
168 | vlan, vf); | |
169 | ||
170 | return edev->ops->iov->set_vlan(edev->cdev, vlan, vf); | |
171 | } | |
172 | ||
eff16960 YM |
173 | static int qede_set_vf_mac(struct net_device *ndev, int vfidx, u8 *mac) |
174 | { | |
175 | struct qede_dev *edev = netdev_priv(ndev); | |
176 | ||
177 | DP_VERBOSE(edev, QED_MSG_IOV, | |
178 | "Setting MAC %02x:%02x:%02x:%02x:%02x:%02x to VF [%d]\n", | |
179 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], vfidx); | |
180 | ||
181 | if (!is_valid_ether_addr(mac)) { | |
182 | DP_VERBOSE(edev, QED_MSG_IOV, "MAC address isn't valid\n"); | |
183 | return -EINVAL; | |
184 | } | |
185 | ||
186 | return edev->ops->iov->set_mac(edev->cdev, mac, vfidx); | |
187 | } | |
188 | ||
fefb0202 YM |
189 | static int qede_sriov_configure(struct pci_dev *pdev, int num_vfs_param) |
190 | { | |
191 | struct qede_dev *edev = netdev_priv(pci_get_drvdata(pdev)); | |
831bfb0e | 192 | struct qed_dev_info *qed_info = &edev->dev_info.common; |
f29ffdb6 | 193 | struct qed_update_vport_params *vport_params; |
831bfb0e | 194 | int rc; |
fefb0202 | 195 | |
f29ffdb6 MY |
196 | vport_params = vzalloc(sizeof(*vport_params)); |
197 | if (!vport_params) | |
198 | return -ENOMEM; | |
fefb0202 YM |
199 | DP_VERBOSE(edev, QED_MSG_IOV, "Requested %d VFs\n", num_vfs_param); |
200 | ||
831bfb0e YM |
201 | rc = edev->ops->iov->configure(edev->cdev, num_vfs_param); |
202 | ||
203 | /* Enable/Disable Tx switching for PF */ | |
204 | if ((rc == num_vfs_param) && netif_running(edev->ndev) && | |
0bc5fe85 | 205 | !qed_info->b_inter_pf_switch && qed_info->tx_switching) { |
f29ffdb6 MY |
206 | vport_params->vport_id = 0; |
207 | vport_params->update_tx_switching_flg = 1; | |
208 | vport_params->tx_switching_flg = num_vfs_param ? 1 : 0; | |
209 | edev->ops->vport_update(edev->cdev, vport_params); | |
831bfb0e YM |
210 | } |
211 | ||
f29ffdb6 | 212 | vfree(vport_params); |
831bfb0e | 213 | return rc; |
fefb0202 YM |
214 | } |
215 | #endif | |
216 | ||
e712d52b YM |
217 | static struct pci_driver qede_pci_driver = { |
218 | .name = "qede", | |
219 | .id_table = qede_pci_tbl, | |
220 | .probe = qede_probe, | |
221 | .remove = qede_remove, | |
14d39648 | 222 | .shutdown = qede_shutdown, |
fefb0202 YM |
223 | #ifdef CONFIG_QED_SRIOV |
224 | .sriov_configure = qede_sriov_configure, | |
225 | #endif | |
e712d52b YM |
226 | }; |
227 | ||
a2ec6172 SK |
228 | static struct qed_eth_cb_ops qede_ll_ops = { |
229 | { | |
e4917d46 CM |
230 | #ifdef CONFIG_RFS_ACCEL |
231 | .arfs_filter_op = qede_arfs_filter_op, | |
232 | #endif | |
a2ec6172 | 233 | .link_update = qede_link_update, |
d25b859c SRK |
234 | .get_generic_tlv_data = qede_get_generic_tlv_data, |
235 | .get_protocol_tlv_data = qede_get_eth_tlv_data, | |
a2ec6172 | 236 | }, |
eff16960 | 237 | .force_mac = qede_force_mac, |
97379f15 | 238 | .ports_update = qede_udp_ports_update, |
a2ec6172 SK |
239 | }; |
240 | ||
2950219d YM |
241 | static int qede_netdev_event(struct notifier_block *this, unsigned long event, |
242 | void *ptr) | |
243 | { | |
244 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); | |
245 | struct ethtool_drvinfo drvinfo; | |
246 | struct qede_dev *edev; | |
247 | ||
cee9fbd8 | 248 | if (event != NETDEV_CHANGENAME && event != NETDEV_CHANGEADDR) |
2950219d YM |
249 | goto done; |
250 | ||
251 | /* Check whether this is a qede device */ | |
252 | if (!ndev || !ndev->ethtool_ops || !ndev->ethtool_ops->get_drvinfo) | |
253 | goto done; | |
254 | ||
255 | memset(&drvinfo, 0, sizeof(drvinfo)); | |
256 | ndev->ethtool_ops->get_drvinfo(ndev, &drvinfo); | |
257 | if (strcmp(drvinfo.driver, "qede")) | |
258 | goto done; | |
259 | edev = netdev_priv(ndev); | |
260 | ||
cee9fbd8 RA |
261 | switch (event) { |
262 | case NETDEV_CHANGENAME: | |
263 | /* Notify qed of the name change */ | |
264 | if (!edev->ops || !edev->ops->common) | |
265 | goto done; | |
712c3cbf | 266 | edev->ops->common->set_name(edev->cdev, edev->ndev->name); |
cee9fbd8 RA |
267 | break; |
268 | case NETDEV_CHANGEADDR: | |
269 | edev = netdev_priv(ndev); | |
bbfcd1e8 | 270 | qede_rdma_event_changeaddr(edev); |
cee9fbd8 RA |
271 | break; |
272 | } | |
2950219d YM |
273 | |
274 | done: | |
275 | return NOTIFY_DONE; | |
276 | } | |
277 | ||
278 | static struct notifier_block qede_netdev_notifier = { | |
279 | .notifier_call = qede_netdev_event, | |
280 | }; | |
281 | ||
e712d52b YM |
282 | static |
283 | int __init qede_init(void) | |
284 | { | |
285 | int ret; | |
e712d52b | 286 | |
525ef5c0 | 287 | pr_info("qede_init: %s\n", version); |
e712d52b | 288 | |
95114344 | 289 | qed_ops = qed_get_eth_ops(); |
e712d52b YM |
290 | if (!qed_ops) { |
291 | pr_notice("Failed to get qed ethtool operations\n"); | |
292 | return -EINVAL; | |
293 | } | |
294 | ||
2950219d | 295 | /* Must register notifier before pci ops, since we might miss |
3f2176dd | 296 | * interface rename after pci probe and netdev registration. |
2950219d YM |
297 | */ |
298 | ret = register_netdevice_notifier(&qede_netdev_notifier); | |
299 | if (ret) { | |
300 | pr_notice("Failed to register netdevice_notifier\n"); | |
301 | qed_put_eth_ops(); | |
302 | return -EINVAL; | |
303 | } | |
304 | ||
e712d52b YM |
305 | ret = pci_register_driver(&qede_pci_driver); |
306 | if (ret) { | |
307 | pr_notice("Failed to register driver\n"); | |
2950219d | 308 | unregister_netdevice_notifier(&qede_netdev_notifier); |
e712d52b YM |
309 | qed_put_eth_ops(); |
310 | return -EINVAL; | |
311 | } | |
312 | ||
313 | return 0; | |
314 | } | |
315 | ||
316 | static void __exit qede_cleanup(void) | |
317 | { | |
525ef5c0 YM |
318 | if (debug & QED_LOG_INFO_MASK) |
319 | pr_info("qede_cleanup called\n"); | |
e712d52b | 320 | |
2950219d | 321 | unregister_netdevice_notifier(&qede_netdev_notifier); |
e712d52b YM |
322 | pci_unregister_driver(&qede_pci_driver); |
323 | qed_put_eth_ops(); | |
324 | } | |
325 | ||
326 | module_init(qede_init); | |
327 | module_exit(qede_cleanup); | |
328 | ||
2950219d YM |
329 | static int qede_open(struct net_device *ndev); |
330 | static int qede_close(struct net_device *ndev); | |
7c1bfcad | 331 | |
133fac0e SK |
332 | void qede_fill_by_demand_stats(struct qede_dev *edev) |
333 | { | |
9c79ddaa | 334 | struct qede_stats_common *p_common = &edev->stats.common; |
133fac0e SK |
335 | struct qed_eth_stats stats; |
336 | ||
337 | edev->ops->get_vport_stats(edev->cdev, &stats); | |
9c79ddaa MY |
338 | |
339 | p_common->no_buff_discards = stats.common.no_buff_discards; | |
340 | p_common->packet_too_big_discard = stats.common.packet_too_big_discard; | |
341 | p_common->ttl0_discard = stats.common.ttl0_discard; | |
342 | p_common->rx_ucast_bytes = stats.common.rx_ucast_bytes; | |
343 | p_common->rx_mcast_bytes = stats.common.rx_mcast_bytes; | |
344 | p_common->rx_bcast_bytes = stats.common.rx_bcast_bytes; | |
345 | p_common->rx_ucast_pkts = stats.common.rx_ucast_pkts; | |
346 | p_common->rx_mcast_pkts = stats.common.rx_mcast_pkts; | |
347 | p_common->rx_bcast_pkts = stats.common.rx_bcast_pkts; | |
348 | p_common->mftag_filter_discards = stats.common.mftag_filter_discards; | |
349 | p_common->mac_filter_discards = stats.common.mac_filter_discards; | |
608e00d0 | 350 | p_common->gft_filter_drop = stats.common.gft_filter_drop; |
9c79ddaa MY |
351 | |
352 | p_common->tx_ucast_bytes = stats.common.tx_ucast_bytes; | |
353 | p_common->tx_mcast_bytes = stats.common.tx_mcast_bytes; | |
354 | p_common->tx_bcast_bytes = stats.common.tx_bcast_bytes; | |
355 | p_common->tx_ucast_pkts = stats.common.tx_ucast_pkts; | |
356 | p_common->tx_mcast_pkts = stats.common.tx_mcast_pkts; | |
357 | p_common->tx_bcast_pkts = stats.common.tx_bcast_pkts; | |
358 | p_common->tx_err_drop_pkts = stats.common.tx_err_drop_pkts; | |
359 | p_common->coalesced_pkts = stats.common.tpa_coalesced_pkts; | |
360 | p_common->coalesced_events = stats.common.tpa_coalesced_events; | |
361 | p_common->coalesced_aborts_num = stats.common.tpa_aborts_num; | |
362 | p_common->non_coalesced_pkts = stats.common.tpa_not_coalesced_pkts; | |
363 | p_common->coalesced_bytes = stats.common.tpa_coalesced_bytes; | |
364 | ||
365 | p_common->rx_64_byte_packets = stats.common.rx_64_byte_packets; | |
366 | p_common->rx_65_to_127_byte_packets = | |
367 | stats.common.rx_65_to_127_byte_packets; | |
368 | p_common->rx_128_to_255_byte_packets = | |
369 | stats.common.rx_128_to_255_byte_packets; | |
370 | p_common->rx_256_to_511_byte_packets = | |
371 | stats.common.rx_256_to_511_byte_packets; | |
372 | p_common->rx_512_to_1023_byte_packets = | |
373 | stats.common.rx_512_to_1023_byte_packets; | |
374 | p_common->rx_1024_to_1518_byte_packets = | |
375 | stats.common.rx_1024_to_1518_byte_packets; | |
376 | p_common->rx_crc_errors = stats.common.rx_crc_errors; | |
377 | p_common->rx_mac_crtl_frames = stats.common.rx_mac_crtl_frames; | |
378 | p_common->rx_pause_frames = stats.common.rx_pause_frames; | |
379 | p_common->rx_pfc_frames = stats.common.rx_pfc_frames; | |
380 | p_common->rx_align_errors = stats.common.rx_align_errors; | |
381 | p_common->rx_carrier_errors = stats.common.rx_carrier_errors; | |
382 | p_common->rx_oversize_packets = stats.common.rx_oversize_packets; | |
383 | p_common->rx_jabbers = stats.common.rx_jabbers; | |
384 | p_common->rx_undersize_packets = stats.common.rx_undersize_packets; | |
385 | p_common->rx_fragments = stats.common.rx_fragments; | |
386 | p_common->tx_64_byte_packets = stats.common.tx_64_byte_packets; | |
387 | p_common->tx_65_to_127_byte_packets = | |
388 | stats.common.tx_65_to_127_byte_packets; | |
389 | p_common->tx_128_to_255_byte_packets = | |
390 | stats.common.tx_128_to_255_byte_packets; | |
391 | p_common->tx_256_to_511_byte_packets = | |
392 | stats.common.tx_256_to_511_byte_packets; | |
393 | p_common->tx_512_to_1023_byte_packets = | |
394 | stats.common.tx_512_to_1023_byte_packets; | |
395 | p_common->tx_1024_to_1518_byte_packets = | |
396 | stats.common.tx_1024_to_1518_byte_packets; | |
397 | p_common->tx_pause_frames = stats.common.tx_pause_frames; | |
398 | p_common->tx_pfc_frames = stats.common.tx_pfc_frames; | |
399 | p_common->brb_truncates = stats.common.brb_truncates; | |
400 | p_common->brb_discards = stats.common.brb_discards; | |
401 | p_common->tx_mac_ctrl_frames = stats.common.tx_mac_ctrl_frames; | |
32d26a68 | 402 | p_common->link_change_count = stats.common.link_change_count; |
9c79ddaa MY |
403 | |
404 | if (QEDE_IS_BB(edev)) { | |
405 | struct qede_stats_bb *p_bb = &edev->stats.bb; | |
406 | ||
407 | p_bb->rx_1519_to_1522_byte_packets = | |
408 | stats.bb.rx_1519_to_1522_byte_packets; | |
409 | p_bb->rx_1519_to_2047_byte_packets = | |
410 | stats.bb.rx_1519_to_2047_byte_packets; | |
411 | p_bb->rx_2048_to_4095_byte_packets = | |
412 | stats.bb.rx_2048_to_4095_byte_packets; | |
413 | p_bb->rx_4096_to_9216_byte_packets = | |
414 | stats.bb.rx_4096_to_9216_byte_packets; | |
415 | p_bb->rx_9217_to_16383_byte_packets = | |
416 | stats.bb.rx_9217_to_16383_byte_packets; | |
417 | p_bb->tx_1519_to_2047_byte_packets = | |
418 | stats.bb.tx_1519_to_2047_byte_packets; | |
419 | p_bb->tx_2048_to_4095_byte_packets = | |
420 | stats.bb.tx_2048_to_4095_byte_packets; | |
421 | p_bb->tx_4096_to_9216_byte_packets = | |
422 | stats.bb.tx_4096_to_9216_byte_packets; | |
423 | p_bb->tx_9217_to_16383_byte_packets = | |
424 | stats.bb.tx_9217_to_16383_byte_packets; | |
425 | p_bb->tx_lpi_entry_count = stats.bb.tx_lpi_entry_count; | |
426 | p_bb->tx_total_collisions = stats.bb.tx_total_collisions; | |
427 | } else { | |
428 | struct qede_stats_ah *p_ah = &edev->stats.ah; | |
429 | ||
430 | p_ah->rx_1519_to_max_byte_packets = | |
431 | stats.ah.rx_1519_to_max_byte_packets; | |
432 | p_ah->tx_1519_to_max_byte_packets = | |
433 | stats.ah.tx_1519_to_max_byte_packets; | |
434 | } | |
133fac0e SK |
435 | } |
436 | ||
bc1f4470 | 437 | static void qede_get_stats64(struct net_device *dev, |
438 | struct rtnl_link_stats64 *stats) | |
133fac0e SK |
439 | { |
440 | struct qede_dev *edev = netdev_priv(dev); | |
9c79ddaa | 441 | struct qede_stats_common *p_common; |
133fac0e SK |
442 | |
443 | qede_fill_by_demand_stats(edev); | |
9c79ddaa | 444 | p_common = &edev->stats.common; |
133fac0e | 445 | |
9c79ddaa MY |
446 | stats->rx_packets = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts + |
447 | p_common->rx_bcast_pkts; | |
448 | stats->tx_packets = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts + | |
449 | p_common->tx_bcast_pkts; | |
133fac0e | 450 | |
9c79ddaa MY |
451 | stats->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes + |
452 | p_common->rx_bcast_bytes; | |
453 | stats->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes + | |
454 | p_common->tx_bcast_bytes; | |
133fac0e | 455 | |
9c79ddaa MY |
456 | stats->tx_errors = p_common->tx_err_drop_pkts; |
457 | stats->multicast = p_common->rx_mcast_pkts + p_common->rx_bcast_pkts; | |
133fac0e | 458 | |
9c79ddaa | 459 | stats->rx_fifo_errors = p_common->no_buff_discards; |
133fac0e | 460 | |
9c79ddaa MY |
461 | if (QEDE_IS_BB(edev)) |
462 | stats->collisions = edev->stats.bb.tx_total_collisions; | |
463 | stats->rx_crc_errors = p_common->rx_crc_errors; | |
464 | stats->rx_frame_errors = p_common->rx_align_errors; | |
133fac0e SK |
465 | } |
466 | ||
733def6a | 467 | #ifdef CONFIG_QED_SRIOV |
73390ac9 YM |
468 | static int qede_get_vf_config(struct net_device *dev, int vfidx, |
469 | struct ifla_vf_info *ivi) | |
470 | { | |
471 | struct qede_dev *edev = netdev_priv(dev); | |
472 | ||
473 | if (!edev->ops) | |
474 | return -EINVAL; | |
475 | ||
476 | return edev->ops->iov->get_config(edev->cdev, vfidx, ivi); | |
477 | } | |
478 | ||
733def6a YM |
479 | static int qede_set_vf_rate(struct net_device *dev, int vfidx, |
480 | int min_tx_rate, int max_tx_rate) | |
481 | { | |
482 | struct qede_dev *edev = netdev_priv(dev); | |
483 | ||
be7b6d64 | 484 | return edev->ops->iov->set_rate(edev->cdev, vfidx, min_tx_rate, |
733def6a YM |
485 | max_tx_rate); |
486 | } | |
487 | ||
6ddc7608 YM |
488 | static int qede_set_vf_spoofchk(struct net_device *dev, int vfidx, bool val) |
489 | { | |
490 | struct qede_dev *edev = netdev_priv(dev); | |
491 | ||
492 | if (!edev->ops) | |
493 | return -EINVAL; | |
494 | ||
495 | return edev->ops->iov->set_spoof(edev->cdev, vfidx, val); | |
496 | } | |
497 | ||
733def6a YM |
498 | static int qede_set_vf_link_state(struct net_device *dev, int vfidx, |
499 | int link_state) | |
500 | { | |
501 | struct qede_dev *edev = netdev_priv(dev); | |
502 | ||
503 | if (!edev->ops) | |
504 | return -EINVAL; | |
505 | ||
506 | return edev->ops->iov->set_link_state(edev->cdev, vfidx, link_state); | |
507 | } | |
f990c82c MY |
508 | |
509 | static int qede_set_vf_trust(struct net_device *dev, int vfidx, bool setting) | |
510 | { | |
511 | struct qede_dev *edev = netdev_priv(dev); | |
512 | ||
513 | if (!edev->ops) | |
514 | return -EINVAL; | |
515 | ||
516 | return edev->ops->iov->set_trust(edev->cdev, vfidx, setting); | |
517 | } | |
733def6a YM |
518 | #endif |
519 | ||
4c55215c SRK |
520 | static int qede_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
521 | { | |
522 | struct qede_dev *edev = netdev_priv(dev); | |
523 | ||
524 | if (!netif_running(dev)) | |
525 | return -EAGAIN; | |
526 | ||
527 | switch (cmd) { | |
528 | case SIOCSHWTSTAMP: | |
529 | return qede_ptp_hw_ts(edev, ifr); | |
530 | default: | |
531 | DP_VERBOSE(edev, QED_MSG_DEBUG, | |
532 | "default IOCTL cmd 0x%x\n", cmd); | |
533 | return -EOPNOTSUPP; | |
534 | } | |
535 | ||
536 | return 0; | |
537 | } | |
538 | ||
1e7953bc | 539 | static int qede_setup_tc(struct net_device *ndev, u8 num_tc) |
5e7baf0f MC |
540 | { |
541 | struct qede_dev *edev = netdev_priv(ndev); | |
542 | int cos, count, offset; | |
543 | ||
544 | if (num_tc > edev->dev_info.num_tc) | |
545 | return -EINVAL; | |
546 | ||
547 | netdev_reset_tc(ndev); | |
548 | netdev_set_num_tc(ndev, num_tc); | |
549 | ||
550 | for_each_cos_in_txq(edev, cos) { | |
551 | count = QEDE_TSS_COUNT(edev); | |
552 | offset = cos * QEDE_TSS_COUNT(edev); | |
553 | netdev_set_tc_queue(ndev, cos, count, offset); | |
554 | } | |
555 | ||
556 | return 0; | |
557 | } | |
558 | ||
2ce9c93e MC |
559 | static int |
560 | qede_set_flower(struct qede_dev *edev, struct tc_cls_flower_offload *f, | |
561 | __be16 proto) | |
562 | { | |
563 | switch (f->command) { | |
564 | case TC_CLSFLOWER_REPLACE: | |
565 | return qede_add_tc_flower_fltr(edev, proto, f); | |
566 | case TC_CLSFLOWER_DESTROY: | |
567 | return qede_delete_flow_filter(edev, f->cookie); | |
568 | default: | |
569 | return -EOPNOTSUPP; | |
570 | } | |
571 | } | |
572 | ||
573 | static int qede_setup_tc_block_cb(enum tc_setup_type type, void *type_data, | |
574 | void *cb_priv) | |
575 | { | |
576 | struct tc_cls_flower_offload *f; | |
577 | struct qede_dev *edev = cb_priv; | |
578 | ||
579 | if (!tc_cls_can_offload_and_chain0(edev->ndev, type_data)) | |
580 | return -EOPNOTSUPP; | |
581 | ||
582 | switch (type) { | |
583 | case TC_SETUP_CLSFLOWER: | |
584 | f = type_data; | |
585 | return qede_set_flower(edev, f, f->common.protocol); | |
586 | default: | |
587 | return -EOPNOTSUPP; | |
588 | } | |
589 | } | |
590 | ||
591 | static int qede_setup_tc_block(struct qede_dev *edev, | |
592 | struct tc_block_offload *f) | |
593 | { | |
594 | if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS) | |
595 | return -EOPNOTSUPP; | |
596 | ||
597 | switch (f->command) { | |
598 | case TC_BLOCK_BIND: | |
599 | return tcf_block_cb_register(f->block, | |
600 | qede_setup_tc_block_cb, | |
601 | edev, edev, f->extack); | |
602 | case TC_BLOCK_UNBIND: | |
603 | tcf_block_cb_unregister(f->block, qede_setup_tc_block_cb, edev); | |
604 | return 0; | |
605 | default: | |
606 | return -EOPNOTSUPP; | |
607 | } | |
608 | } | |
609 | ||
5e7baf0f MC |
610 | static int |
611 | qede_setup_tc_offload(struct net_device *dev, enum tc_setup_type type, | |
612 | void *type_data) | |
613 | { | |
2ce9c93e | 614 | struct qede_dev *edev = netdev_priv(dev); |
5e7baf0f MC |
615 | struct tc_mqprio_qopt *mqprio; |
616 | ||
617 | switch (type) { | |
2ce9c93e MC |
618 | case TC_SETUP_BLOCK: |
619 | return qede_setup_tc_block(edev, type_data); | |
5e7baf0f MC |
620 | case TC_SETUP_QDISC_MQPRIO: |
621 | mqprio = type_data; | |
622 | ||
623 | mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS; | |
624 | return qede_setup_tc(dev, mqprio->num_tc); | |
625 | default: | |
626 | return -EOPNOTSUPP; | |
627 | } | |
628 | } | |
629 | ||
2950219d YM |
630 | static const struct net_device_ops qede_netdev_ops = { |
631 | .ndo_open = qede_open, | |
632 | .ndo_stop = qede_close, | |
633 | .ndo_start_xmit = qede_start_xmit, | |
0aa4febb | 634 | .ndo_select_queue = qede_select_queue, |
0d8e0aa0 SK |
635 | .ndo_set_rx_mode = qede_set_rx_mode, |
636 | .ndo_set_mac_address = qede_set_mac_addr, | |
2950219d | 637 | .ndo_validate_addr = eth_validate_addr, |
133fac0e | 638 | .ndo_change_mtu = qede_change_mtu, |
4c55215c | 639 | .ndo_do_ioctl = qede_ioctl, |
08feecd7 | 640 | #ifdef CONFIG_QED_SRIOV |
eff16960 | 641 | .ndo_set_vf_mac = qede_set_vf_mac, |
08feecd7 | 642 | .ndo_set_vf_vlan = qede_set_vf_vlan, |
f990c82c | 643 | .ndo_set_vf_trust = qede_set_vf_trust, |
08feecd7 | 644 | #endif |
7c1bfcad SRK |
645 | .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, |
646 | .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, | |
18c602de | 647 | .ndo_fix_features = qede_fix_features, |
ce2b885c | 648 | .ndo_set_features = qede_set_features, |
133fac0e | 649 | .ndo_get_stats64 = qede_get_stats64, |
733def6a YM |
650 | #ifdef CONFIG_QED_SRIOV |
651 | .ndo_set_vf_link_state = qede_set_vf_link_state, | |
6ddc7608 | 652 | .ndo_set_vf_spoofchk = qede_set_vf_spoofchk, |
73390ac9 | 653 | .ndo_get_vf_config = qede_get_vf_config, |
733def6a YM |
654 | .ndo_set_vf_rate = qede_set_vf_rate, |
655 | #endif | |
f9f082a9 AD |
656 | .ndo_udp_tunnel_add = qede_udp_tunnel_add, |
657 | .ndo_udp_tunnel_del = qede_udp_tunnel_del, | |
25695853 | 658 | .ndo_features_check = qede_features_check, |
f4e63525 | 659 | .ndo_bpf = qede_xdp, |
e4917d46 CM |
660 | #ifdef CONFIG_RFS_ACCEL |
661 | .ndo_rx_flow_steer = qede_rx_flow_steer, | |
662 | #endif | |
5e7baf0f | 663 | .ndo_setup_tc = qede_setup_tc_offload, |
2950219d YM |
664 | }; |
665 | ||
be47c555 MY |
666 | static const struct net_device_ops qede_netdev_vf_ops = { |
667 | .ndo_open = qede_open, | |
668 | .ndo_stop = qede_close, | |
669 | .ndo_start_xmit = qede_start_xmit, | |
0aa4febb | 670 | .ndo_select_queue = qede_select_queue, |
be47c555 MY |
671 | .ndo_set_rx_mode = qede_set_rx_mode, |
672 | .ndo_set_mac_address = qede_set_mac_addr, | |
673 | .ndo_validate_addr = eth_validate_addr, | |
674 | .ndo_change_mtu = qede_change_mtu, | |
675 | .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, | |
676 | .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, | |
18c602de | 677 | .ndo_fix_features = qede_fix_features, |
be47c555 MY |
678 | .ndo_set_features = qede_set_features, |
679 | .ndo_get_stats64 = qede_get_stats64, | |
680 | .ndo_udp_tunnel_add = qede_udp_tunnel_add, | |
681 | .ndo_udp_tunnel_del = qede_udp_tunnel_del, | |
682 | .ndo_features_check = qede_features_check, | |
683 | }; | |
684 | ||
e7b80dec MY |
685 | static const struct net_device_ops qede_netdev_vf_xdp_ops = { |
686 | .ndo_open = qede_open, | |
687 | .ndo_stop = qede_close, | |
688 | .ndo_start_xmit = qede_start_xmit, | |
0aa4febb | 689 | .ndo_select_queue = qede_select_queue, |
e7b80dec MY |
690 | .ndo_set_rx_mode = qede_set_rx_mode, |
691 | .ndo_set_mac_address = qede_set_mac_addr, | |
692 | .ndo_validate_addr = eth_validate_addr, | |
693 | .ndo_change_mtu = qede_change_mtu, | |
694 | .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, | |
695 | .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, | |
18c602de | 696 | .ndo_fix_features = qede_fix_features, |
e7b80dec MY |
697 | .ndo_set_features = qede_set_features, |
698 | .ndo_get_stats64 = qede_get_stats64, | |
699 | .ndo_udp_tunnel_add = qede_udp_tunnel_add, | |
700 | .ndo_udp_tunnel_del = qede_udp_tunnel_del, | |
701 | .ndo_features_check = qede_features_check, | |
f4e63525 | 702 | .ndo_bpf = qede_xdp, |
e7b80dec MY |
703 | }; |
704 | ||
e712d52b YM |
705 | /* ------------------------------------------------------------------------- |
706 | * START OF PROBE / REMOVE | |
707 | * ------------------------------------------------------------------------- | |
708 | */ | |
709 | ||
710 | static struct qede_dev *qede_alloc_etherdev(struct qed_dev *cdev, | |
711 | struct pci_dev *pdev, | |
712 | struct qed_dev_eth_info *info, | |
1a635e48 | 713 | u32 dp_module, u8 dp_level) |
e712d52b YM |
714 | { |
715 | struct net_device *ndev; | |
716 | struct qede_dev *edev; | |
717 | ||
718 | ndev = alloc_etherdev_mqs(sizeof(*edev), | |
5e7baf0f MC |
719 | info->num_queues * info->num_tc, |
720 | info->num_queues); | |
e712d52b YM |
721 | if (!ndev) { |
722 | pr_err("etherdev allocation failed\n"); | |
723 | return NULL; | |
724 | } | |
725 | ||
726 | edev = netdev_priv(ndev); | |
727 | edev->ndev = ndev; | |
728 | edev->cdev = cdev; | |
729 | edev->pdev = pdev; | |
730 | edev->dp_module = dp_module; | |
731 | edev->dp_level = dp_level; | |
732 | edev->ops = qed_ops; | |
2950219d YM |
733 | edev->q_num_rx_buffers = NUM_RX_BDS_DEF; |
734 | edev->q_num_tx_buffers = NUM_TX_BDS_DEF; | |
e712d52b | 735 | |
525ef5c0 YM |
736 | DP_INFO(edev, "Allocated netdev with %d tx queues and %d rx queues\n", |
737 | info->num_queues, info->num_queues); | |
738 | ||
e712d52b YM |
739 | SET_NETDEV_DEV(ndev, &pdev->dev); |
740 | ||
133fac0e | 741 | memset(&edev->stats, 0, sizeof(edev->stats)); |
e712d52b YM |
742 | memcpy(&edev->dev_info, info, sizeof(*info)); |
743 | ||
ba798b5b MY |
744 | /* As ethtool doesn't have the ability to show WoL behavior as |
745 | * 'default', if device supports it declare it's enabled. | |
746 | */ | |
747 | if (edev->dev_info.common.wol_support) | |
748 | edev->wol_enabled = true; | |
749 | ||
7c1bfcad SRK |
750 | INIT_LIST_HEAD(&edev->vlan_list); |
751 | ||
e712d52b YM |
752 | return edev; |
753 | } | |
754 | ||
755 | static void qede_init_ndev(struct qede_dev *edev) | |
756 | { | |
757 | struct net_device *ndev = edev->ndev; | |
758 | struct pci_dev *pdev = edev->pdev; | |
19489c7f | 759 | bool udp_tunnel_enable = false; |
e4917d46 | 760 | netdev_features_t hw_features; |
e712d52b YM |
761 | |
762 | pci_set_drvdata(pdev, ndev); | |
763 | ||
764 | ndev->mem_start = edev->dev_info.common.pci_mem_start; | |
765 | ndev->base_addr = ndev->mem_start; | |
766 | ndev->mem_end = edev->dev_info.common.pci_mem_end; | |
767 | ndev->irq = edev->dev_info.common.pci_irq; | |
768 | ||
769 | ndev->watchdog_timeo = TX_TIMEOUT; | |
770 | ||
e7b80dec MY |
771 | if (IS_VF(edev)) { |
772 | if (edev->dev_info.xdp_supported) | |
773 | ndev->netdev_ops = &qede_netdev_vf_xdp_ops; | |
774 | else | |
775 | ndev->netdev_ops = &qede_netdev_vf_ops; | |
776 | } else { | |
be47c555 | 777 | ndev->netdev_ops = &qede_netdev_ops; |
e7b80dec | 778 | } |
2950219d | 779 | |
133fac0e SK |
780 | qede_set_ethtool_ops(ndev); |
781 | ||
0183eb1c | 782 | ndev->priv_flags |= IFF_UNICAST_FLT; |
7b7e70f9 | 783 | |
e712d52b | 784 | /* user-changeble features */ |
18c602de | 785 | hw_features = NETIF_F_GRO | NETIF_F_GRO_HW | NETIF_F_SG | |
e712d52b | 786 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
2ce9c93e | 787 | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_TC; |
e712d52b | 788 | |
e4917d46 CM |
789 | if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) |
790 | hw_features |= NETIF_F_NTUPLE; | |
791 | ||
19489c7f CM |
792 | if (edev->dev_info.common.vxlan_enable || |
793 | edev->dev_info.common.geneve_enable) | |
794 | udp_tunnel_enable = true; | |
795 | ||
796 | if (udp_tunnel_enable || edev->dev_info.common.gre_enable) { | |
797 | hw_features |= NETIF_F_TSO_ECN; | |
798 | ndev->hw_enc_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | | |
799 | NETIF_F_SG | NETIF_F_TSO | | |
800 | NETIF_F_TSO_ECN | NETIF_F_TSO6 | | |
801 | NETIF_F_RXCSUM; | |
802 | } | |
803 | ||
804 | if (udp_tunnel_enable) { | |
805 | hw_features |= (NETIF_F_GSO_UDP_TUNNEL | | |
806 | NETIF_F_GSO_UDP_TUNNEL_CSUM); | |
807 | ndev->hw_enc_features |= (NETIF_F_GSO_UDP_TUNNEL | | |
808 | NETIF_F_GSO_UDP_TUNNEL_CSUM); | |
809 | } | |
810 | ||
811 | if (edev->dev_info.common.gre_enable) { | |
812 | hw_features |= (NETIF_F_GSO_GRE | NETIF_F_GSO_GRE_CSUM); | |
813 | ndev->hw_enc_features |= (NETIF_F_GSO_GRE | | |
814 | NETIF_F_GSO_GRE_CSUM); | |
815 | } | |
14db81de | 816 | |
e712d52b YM |
817 | ndev->vlan_features = hw_features | NETIF_F_RXHASH | NETIF_F_RXCSUM | |
818 | NETIF_F_HIGHDMA; | |
819 | ndev->features = hw_features | NETIF_F_RXHASH | NETIF_F_RXCSUM | | |
820 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HIGHDMA | | |
7c1bfcad | 821 | NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_TX; |
e712d52b YM |
822 | |
823 | ndev->hw_features = hw_features; | |
824 | ||
caff2a87 JW |
825 | /* MTU range: 46 - 9600 */ |
826 | ndev->min_mtu = ETH_ZLEN - ETH_HLEN; | |
827 | ndev->max_mtu = QEDE_MAX_JUMBO_PACKET_SIZE; | |
828 | ||
e712d52b YM |
829 | /* Set network device HW mac */ |
830 | ether_addr_copy(edev->ndev->dev_addr, edev->dev_info.common.hw_mac); | |
0fefbfba SK |
831 | |
832 | ndev->mtu = edev->dev_info.common.mtu; | |
e712d52b YM |
833 | } |
834 | ||
835 | /* This function converts from 32b param to two params of level and module | |
836 | * Input 32b decoding: | |
837 | * b31 - enable all NOTICE prints. NOTICE prints are for deviation from the | |
838 | * 'happy' flow, e.g. memory allocation failed. | |
839 | * b30 - enable all INFO prints. INFO prints are for major steps in the flow | |
840 | * and provide important parameters. | |
841 | * b29-b0 - per-module bitmap, where each bit enables VERBOSE prints of that | |
842 | * module. VERBOSE prints are for tracking the specific flow in low level. | |
843 | * | |
844 | * Notice that the level should be that of the lowest required logs. | |
845 | */ | |
133fac0e | 846 | void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level) |
e712d52b YM |
847 | { |
848 | *p_dp_level = QED_LEVEL_NOTICE; | |
849 | *p_dp_module = 0; | |
850 | ||
851 | if (debug & QED_LOG_VERBOSE_MASK) { | |
852 | *p_dp_level = QED_LEVEL_VERBOSE; | |
853 | *p_dp_module = (debug & 0x3FFFFFFF); | |
854 | } else if (debug & QED_LOG_INFO_MASK) { | |
855 | *p_dp_level = QED_LEVEL_INFO; | |
856 | } else if (debug & QED_LOG_NOTICE_MASK) { | |
857 | *p_dp_level = QED_LEVEL_NOTICE; | |
858 | } | |
859 | } | |
860 | ||
2950219d YM |
861 | static void qede_free_fp_array(struct qede_dev *edev) |
862 | { | |
863 | if (edev->fp_array) { | |
864 | struct qede_fastpath *fp; | |
865 | int i; | |
866 | ||
9a4d7e86 | 867 | for_each_queue(i) { |
2950219d YM |
868 | fp = &edev->fp_array[i]; |
869 | ||
870 | kfree(fp->sb_info); | |
c0124f32 JDB |
871 | /* Handle mem alloc failure case where qede_init_fp |
872 | * didn't register xdp_rxq_info yet. | |
873 | * Implicit only (fp->type & QEDE_FASTPATH_RX) | |
874 | */ | |
875 | if (fp->rxq && xdp_rxq_info_is_reg(&fp->rxq->xdp_rxq)) | |
876 | xdp_rxq_info_unreg(&fp->rxq->xdp_rxq); | |
2950219d | 877 | kfree(fp->rxq); |
cb6aeb07 | 878 | kfree(fp->xdp_tx); |
80439a17 | 879 | kfree(fp->txq); |
2950219d YM |
880 | } |
881 | kfree(edev->fp_array); | |
882 | } | |
9a4d7e86 SRK |
883 | |
884 | edev->num_queues = 0; | |
885 | edev->fp_num_tx = 0; | |
886 | edev->fp_num_rx = 0; | |
2950219d YM |
887 | } |
888 | ||
889 | static int qede_alloc_fp_array(struct qede_dev *edev) | |
890 | { | |
9a4d7e86 | 891 | u8 fp_combined, fp_rx = edev->fp_num_rx; |
2950219d YM |
892 | struct qede_fastpath *fp; |
893 | int i; | |
894 | ||
9a4d7e86 | 895 | edev->fp_array = kcalloc(QEDE_QUEUE_CNT(edev), |
2950219d YM |
896 | sizeof(*edev->fp_array), GFP_KERNEL); |
897 | if (!edev->fp_array) { | |
898 | DP_NOTICE(edev, "fp array allocation failed\n"); | |
899 | goto err; | |
900 | } | |
901 | ||
9a4d7e86 SRK |
902 | fp_combined = QEDE_QUEUE_CNT(edev) - fp_rx - edev->fp_num_tx; |
903 | ||
904 | /* Allocate the FP elements for Rx queues followed by combined and then | |
905 | * the Tx. This ordering should be maintained so that the respective | |
906 | * queues (Rx or Tx) will be together in the fastpath array and the | |
907 | * associated ids will be sequential. | |
908 | */ | |
909 | for_each_queue(i) { | |
2950219d YM |
910 | fp = &edev->fp_array[i]; |
911 | ||
80439a17 | 912 | fp->sb_info = kzalloc(sizeof(*fp->sb_info), GFP_KERNEL); |
2950219d YM |
913 | if (!fp->sb_info) { |
914 | DP_NOTICE(edev, "sb info struct allocation failed\n"); | |
915 | goto err; | |
916 | } | |
917 | ||
9a4d7e86 SRK |
918 | if (fp_rx) { |
919 | fp->type = QEDE_FASTPATH_RX; | |
920 | fp_rx--; | |
921 | } else if (fp_combined) { | |
922 | fp->type = QEDE_FASTPATH_COMBINED; | |
923 | fp_combined--; | |
924 | } else { | |
925 | fp->type = QEDE_FASTPATH_TX; | |
2950219d YM |
926 | } |
927 | ||
9a4d7e86 | 928 | if (fp->type & QEDE_FASTPATH_TX) { |
5e7baf0f MC |
929 | fp->txq = kcalloc(edev->dev_info.num_tc, |
930 | sizeof(*fp->txq), GFP_KERNEL); | |
80439a17 | 931 | if (!fp->txq) |
9a4d7e86 | 932 | goto err; |
9a4d7e86 SRK |
933 | } |
934 | ||
935 | if (fp->type & QEDE_FASTPATH_RX) { | |
80439a17 MY |
936 | fp->rxq = kzalloc(sizeof(*fp->rxq), GFP_KERNEL); |
937 | if (!fp->rxq) | |
9a4d7e86 | 938 | goto err; |
496e0517 | 939 | |
cb6aeb07 MY |
940 | if (edev->xdp_prog) { |
941 | fp->xdp_tx = kzalloc(sizeof(*fp->xdp_tx), | |
942 | GFP_KERNEL); | |
943 | if (!fp->xdp_tx) | |
944 | goto err; | |
496e0517 | 945 | fp->type |= QEDE_FASTPATH_XDP; |
cb6aeb07 | 946 | } |
2950219d YM |
947 | } |
948 | } | |
949 | ||
950 | return 0; | |
951 | err: | |
952 | qede_free_fp_array(edev); | |
953 | return -ENOMEM; | |
954 | } | |
955 | ||
0d8e0aa0 SK |
956 | static void qede_sp_task(struct work_struct *work) |
957 | { | |
958 | struct qede_dev *edev = container_of(work, struct qede_dev, | |
959 | sp_task.work); | |
b18e170c | 960 | |
567b3c12 | 961 | __qede_lock(edev); |
0d8e0aa0 | 962 | |
567b3c12 MY |
963 | if (test_and_clear_bit(QEDE_SP_RX_MODE, &edev->sp_flags)) |
964 | if (edev->state == QEDE_STATE_OPEN) | |
0d8e0aa0 | 965 | qede_config_rx_mode(edev->ndev); |
0d8e0aa0 | 966 | |
e4917d46 CM |
967 | #ifdef CONFIG_RFS_ACCEL |
968 | if (test_and_clear_bit(QEDE_SP_ARFS_CONFIG, &edev->sp_flags)) { | |
969 | if (edev->state == QEDE_STATE_OPEN) | |
970 | qede_process_arfs_filters(edev, false); | |
971 | } | |
972 | #endif | |
567b3c12 | 973 | __qede_unlock(edev); |
0d8e0aa0 SK |
974 | } |
975 | ||
e712d52b YM |
976 | static void qede_update_pf_params(struct qed_dev *cdev) |
977 | { | |
978 | struct qed_pf_params pf_params; | |
5e7baf0f | 979 | u16 num_cons; |
e712d52b | 980 | |
cb6aeb07 | 981 | /* 64 rx + 64 tx + 64 XDP */ |
e712d52b | 982 | memset(&pf_params, 0, sizeof(struct qed_pf_params)); |
5e7baf0f MC |
983 | |
984 | /* 1 rx + 1 xdp + max tx cos */ | |
985 | num_cons = QED_MIN_L2_CONS; | |
986 | ||
987 | pf_params.eth_pf_params.num_cons = (MAX_SB_PER_PF_MIMD - 1) * num_cons; | |
e7b80dec MY |
988 | |
989 | /* Same for VFs - make sure they'll have sufficient connections | |
990 | * to support XDP Tx queues. | |
991 | */ | |
992 | pf_params.eth_pf_params.num_vf_cons = 48; | |
993 | ||
e4917d46 | 994 | pf_params.eth_pf_params.num_arfs_filters = QEDE_RFS_MAX_FLTR; |
e712d52b YM |
995 | qed_ops->common->update_pf_params(cdev, &pf_params); |
996 | } | |
997 | ||
6bc9f234 MY |
998 | #define QEDE_FW_VER_STR_SIZE 80 |
999 | ||
1000 | static void qede_log_probe(struct qede_dev *edev) | |
1001 | { | |
1002 | struct qed_dev_info *p_dev_info = &edev->dev_info.common; | |
1003 | u8 buf[QEDE_FW_VER_STR_SIZE]; | |
1004 | size_t left_size; | |
1005 | ||
1006 | snprintf(buf, QEDE_FW_VER_STR_SIZE, | |
1007 | "Storm FW %d.%d.%d.%d, Management FW %d.%d.%d.%d", | |
1008 | p_dev_info->fw_major, p_dev_info->fw_minor, p_dev_info->fw_rev, | |
1009 | p_dev_info->fw_eng, | |
1010 | (p_dev_info->mfw_rev & QED_MFW_VERSION_3_MASK) >> | |
1011 | QED_MFW_VERSION_3_OFFSET, | |
1012 | (p_dev_info->mfw_rev & QED_MFW_VERSION_2_MASK) >> | |
1013 | QED_MFW_VERSION_2_OFFSET, | |
1014 | (p_dev_info->mfw_rev & QED_MFW_VERSION_1_MASK) >> | |
1015 | QED_MFW_VERSION_1_OFFSET, | |
1016 | (p_dev_info->mfw_rev & QED_MFW_VERSION_0_MASK) >> | |
1017 | QED_MFW_VERSION_0_OFFSET); | |
1018 | ||
1019 | left_size = QEDE_FW_VER_STR_SIZE - strlen(buf); | |
1020 | if (p_dev_info->mbi_version && left_size) | |
1021 | snprintf(buf + strlen(buf), left_size, | |
1022 | " [MBI %d.%d.%d]", | |
1023 | (p_dev_info->mbi_version & QED_MBI_VERSION_2_MASK) >> | |
1024 | QED_MBI_VERSION_2_OFFSET, | |
1025 | (p_dev_info->mbi_version & QED_MBI_VERSION_1_MASK) >> | |
1026 | QED_MBI_VERSION_1_OFFSET, | |
1027 | (p_dev_info->mbi_version & QED_MBI_VERSION_0_MASK) >> | |
1028 | QED_MBI_VERSION_0_OFFSET); | |
1029 | ||
1030 | pr_info("qede %02x:%02x.%02x: %s [%s]\n", edev->pdev->bus->number, | |
1031 | PCI_SLOT(edev->pdev->devfn), PCI_FUNC(edev->pdev->devfn), | |
1032 | buf, edev->ndev->name); | |
1033 | } | |
1034 | ||
e712d52b YM |
1035 | enum qede_probe_mode { |
1036 | QEDE_PROBE_NORMAL, | |
1037 | }; | |
1038 | ||
1039 | static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, | |
1408cc1f | 1040 | bool is_vf, enum qede_probe_mode mode) |
e712d52b | 1041 | { |
1408cc1f | 1042 | struct qed_probe_params probe_params; |
1a635e48 | 1043 | struct qed_slowpath_params sp_params; |
e712d52b YM |
1044 | struct qed_dev_eth_info dev_info; |
1045 | struct qede_dev *edev; | |
1046 | struct qed_dev *cdev; | |
1047 | int rc; | |
1048 | ||
1049 | if (unlikely(dp_level & QED_LEVEL_INFO)) | |
1050 | pr_notice("Starting qede probe\n"); | |
1051 | ||
1408cc1f YM |
1052 | memset(&probe_params, 0, sizeof(probe_params)); |
1053 | probe_params.protocol = QED_PROTOCOL_ETH; | |
1054 | probe_params.dp_module = dp_module; | |
1055 | probe_params.dp_level = dp_level; | |
1056 | probe_params.is_vf = is_vf; | |
1057 | cdev = qed_ops->common->probe(pdev, &probe_params); | |
e712d52b YM |
1058 | if (!cdev) { |
1059 | rc = -ENODEV; | |
1060 | goto err0; | |
1061 | } | |
1062 | ||
1063 | qede_update_pf_params(cdev); | |
1064 | ||
1065 | /* Start the Slowpath-process */ | |
1a635e48 YM |
1066 | memset(&sp_params, 0, sizeof(sp_params)); |
1067 | sp_params.int_mode = QED_INT_MODE_MSIX; | |
1068 | sp_params.drv_major = QEDE_MAJOR_VERSION; | |
1069 | sp_params.drv_minor = QEDE_MINOR_VERSION; | |
1070 | sp_params.drv_rev = QEDE_REVISION_VERSION; | |
1071 | sp_params.drv_eng = QEDE_ENGINEERING_VERSION; | |
1072 | strlcpy(sp_params.name, "qede LAN", QED_DRV_VER_STR_SIZE); | |
1073 | rc = qed_ops->common->slowpath_start(cdev, &sp_params); | |
e712d52b YM |
1074 | if (rc) { |
1075 | pr_notice("Cannot start slowpath\n"); | |
1076 | goto err1; | |
1077 | } | |
1078 | ||
1079 | /* Learn information crucial for qede to progress */ | |
1080 | rc = qed_ops->fill_dev_info(cdev, &dev_info); | |
1081 | if (rc) | |
1082 | goto err2; | |
1083 | ||
1084 | edev = qede_alloc_etherdev(cdev, pdev, &dev_info, dp_module, | |
1085 | dp_level); | |
1086 | if (!edev) { | |
1087 | rc = -ENOMEM; | |
1088 | goto err2; | |
1089 | } | |
1090 | ||
fefb0202 | 1091 | if (is_vf) |
149d3775 | 1092 | set_bit(QEDE_FLAGS_IS_VF, &edev->flags); |
fefb0202 | 1093 | |
e712d52b YM |
1094 | qede_init_ndev(edev); |
1095 | ||
bbfcd1e8 | 1096 | rc = qede_rdma_dev_add(edev); |
cee9fbd8 RA |
1097 | if (rc) |
1098 | goto err3; | |
1099 | ||
3f2176dd | 1100 | /* Prepare the lock prior to the registration of the netdev, |
0e0b80a9 MY |
1101 | * as once it's registered we might reach flows requiring it |
1102 | * [it's even possible to reach a flow needing it directly | |
1103 | * from there, although it's unlikely]. | |
1104 | */ | |
1105 | INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task); | |
1106 | mutex_init(&edev->qede_lock); | |
2950219d YM |
1107 | rc = register_netdev(edev->ndev); |
1108 | if (rc) { | |
1109 | DP_NOTICE(edev, "Cannot register net-device\n"); | |
cee9fbd8 | 1110 | goto err4; |
2950219d YM |
1111 | } |
1112 | ||
712c3cbf | 1113 | edev->ops->common->set_name(cdev, edev->ndev->name); |
e712d52b | 1114 | |
4c55215c | 1115 | /* PTP not supported on VFs */ |
03574497 | 1116 | if (!is_vf) |
1117 | qede_ptp_enable(edev, true); | |
4c55215c | 1118 | |
a2ec6172 SK |
1119 | edev->ops->register_ops(cdev, &qede_ll_ops, edev); |
1120 | ||
489e45ae | 1121 | #ifdef CONFIG_DCB |
5fe118c9 SRK |
1122 | if (!IS_VF(edev)) |
1123 | qede_set_dcbnl_ops(edev->ndev); | |
489e45ae SRK |
1124 | #endif |
1125 | ||
3d789994 | 1126 | edev->rx_copybreak = QEDE_RX_HDR_SIZE; |
0d8e0aa0 | 1127 | |
6bc9f234 | 1128 | qede_log_probe(edev); |
e712d52b YM |
1129 | return 0; |
1130 | ||
cee9fbd8 | 1131 | err4: |
bbfcd1e8 | 1132 | qede_rdma_dev_remove(edev); |
2950219d YM |
1133 | err3: |
1134 | free_netdev(edev->ndev); | |
e712d52b YM |
1135 | err2: |
1136 | qed_ops->common->slowpath_stop(cdev); | |
1137 | err1: | |
1138 | qed_ops->common->remove(cdev); | |
1139 | err0: | |
1140 | return rc; | |
1141 | } | |
1142 | ||
1143 | static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
1144 | { | |
fefb0202 | 1145 | bool is_vf = false; |
e712d52b YM |
1146 | u32 dp_module = 0; |
1147 | u8 dp_level = 0; | |
1148 | ||
fefb0202 YM |
1149 | switch ((enum qede_pci_private)id->driver_data) { |
1150 | case QEDE_PRIVATE_VF: | |
1151 | if (debug & QED_LOG_VERBOSE_MASK) | |
1152 | dev_err(&pdev->dev, "Probing a VF\n"); | |
1153 | is_vf = true; | |
1154 | break; | |
1155 | default: | |
1156 | if (debug & QED_LOG_VERBOSE_MASK) | |
1157 | dev_err(&pdev->dev, "Probing a PF\n"); | |
1158 | } | |
1159 | ||
e712d52b YM |
1160 | qede_config_debug(debug, &dp_module, &dp_level); |
1161 | ||
fefb0202 | 1162 | return __qede_probe(pdev, dp_module, dp_level, is_vf, |
e712d52b YM |
1163 | QEDE_PROBE_NORMAL); |
1164 | } | |
1165 | ||
1166 | enum qede_remove_mode { | |
1167 | QEDE_REMOVE_NORMAL, | |
1168 | }; | |
1169 | ||
1170 | static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) | |
1171 | { | |
1172 | struct net_device *ndev = pci_get_drvdata(pdev); | |
1173 | struct qede_dev *edev = netdev_priv(ndev); | |
1174 | struct qed_dev *cdev = edev->cdev; | |
1175 | ||
1176 | DP_INFO(edev, "Starting qede_remove\n"); | |
1177 | ||
91dfd02b | 1178 | qede_rdma_dev_remove(edev); |
2950219d | 1179 | unregister_netdev(ndev); |
e4917d46 | 1180 | cancel_delayed_work_sync(&edev->sp_task); |
2950219d | 1181 | |
03574497 | 1182 | qede_ptp_disable(edev); |
4c55215c | 1183 | |
e712d52b YM |
1184 | edev->ops->common->set_power_state(cdev, PCI_D0); |
1185 | ||
1186 | pci_set_drvdata(pdev, NULL); | |
1187 | ||
e712d52b YM |
1188 | /* Use global ops since we've freed edev */ |
1189 | qed_ops->common->slowpath_stop(cdev); | |
14d39648 MY |
1190 | if (system_state == SYSTEM_POWER_OFF) |
1191 | return; | |
e712d52b YM |
1192 | qed_ops->common->remove(cdev); |
1193 | ||
885185df MY |
1194 | /* Since this can happen out-of-sync with other flows, |
1195 | * don't release the netdevice until after slowpath stop | |
1196 | * has been called to guarantee various other contexts | |
1197 | * [e.g., QED register callbacks] won't break anything when | |
1198 | * accessing the netdevice. | |
1199 | */ | |
1200 | free_netdev(ndev); | |
1201 | ||
525ef5c0 | 1202 | dev_info(&pdev->dev, "Ending qede_remove successfully\n"); |
e712d52b YM |
1203 | } |
1204 | ||
1205 | static void qede_remove(struct pci_dev *pdev) | |
1206 | { | |
1207 | __qede_remove(pdev, QEDE_REMOVE_NORMAL); | |
1208 | } | |
2950219d | 1209 | |
14d39648 MY |
1210 | static void qede_shutdown(struct pci_dev *pdev) |
1211 | { | |
1212 | __qede_remove(pdev, QEDE_REMOVE_NORMAL); | |
1213 | } | |
1214 | ||
2950219d YM |
1215 | /* ------------------------------------------------------------------------- |
1216 | * START OF LOAD / UNLOAD | |
1217 | * ------------------------------------------------------------------------- | |
1218 | */ | |
1219 | ||
1220 | static int qede_set_num_queues(struct qede_dev *edev) | |
1221 | { | |
1222 | int rc; | |
1223 | u16 rss_num; | |
1224 | ||
1225 | /* Setup queues according to possible resources*/ | |
9a4d7e86 SRK |
1226 | if (edev->req_queues) |
1227 | rss_num = edev->req_queues; | |
8edf049d SK |
1228 | else |
1229 | rss_num = netif_get_num_default_rss_queues() * | |
1230 | edev->dev_info.common.num_hwfns; | |
2950219d YM |
1231 | |
1232 | rss_num = min_t(u16, QEDE_MAX_RSS_CNT(edev), rss_num); | |
1233 | ||
1234 | rc = edev->ops->common->set_fp_int(edev->cdev, rss_num); | |
1235 | if (rc > 0) { | |
1236 | /* Managed to request interrupts for our queues */ | |
9a4d7e86 | 1237 | edev->num_queues = rc; |
2950219d | 1238 | DP_INFO(edev, "Managed %d [of %d] RSS queues\n", |
9a4d7e86 | 1239 | QEDE_QUEUE_CNT(edev), rss_num); |
2950219d YM |
1240 | rc = 0; |
1241 | } | |
9a4d7e86 SRK |
1242 | |
1243 | edev->fp_num_tx = edev->req_num_tx; | |
1244 | edev->fp_num_rx = edev->req_num_rx; | |
1245 | ||
2950219d YM |
1246 | return rc; |
1247 | } | |
1248 | ||
71851ea5 SRK |
1249 | static void qede_free_mem_sb(struct qede_dev *edev, struct qed_sb_info *sb_info, |
1250 | u16 sb_id) | |
2950219d | 1251 | { |
71851ea5 SRK |
1252 | if (sb_info->sb_virt) { |
1253 | edev->ops->common->sb_release(edev->cdev, sb_info, sb_id); | |
2950219d YM |
1254 | dma_free_coherent(&edev->pdev->dev, sizeof(*sb_info->sb_virt), |
1255 | (void *)sb_info->sb_virt, sb_info->sb_phys); | |
71851ea5 SRK |
1256 | memset(sb_info, 0, sizeof(*sb_info)); |
1257 | } | |
2950219d YM |
1258 | } |
1259 | ||
1260 | /* This function allocates fast-path status block memory */ | |
1261 | static int qede_alloc_mem_sb(struct qede_dev *edev, | |
1a635e48 | 1262 | struct qed_sb_info *sb_info, u16 sb_id) |
2950219d | 1263 | { |
21dd79e8 | 1264 | struct status_block_e4 *sb_virt; |
2950219d YM |
1265 | dma_addr_t sb_phys; |
1266 | int rc; | |
1267 | ||
1268 | sb_virt = dma_alloc_coherent(&edev->pdev->dev, | |
1a635e48 | 1269 | sizeof(*sb_virt), &sb_phys, GFP_KERNEL); |
2950219d YM |
1270 | if (!sb_virt) { |
1271 | DP_ERR(edev, "Status block allocation failed\n"); | |
1272 | return -ENOMEM; | |
1273 | } | |
1274 | ||
1275 | rc = edev->ops->common->sb_init(edev->cdev, sb_info, | |
1276 | sb_virt, sb_phys, sb_id, | |
1277 | QED_SB_TYPE_L2_QUEUE); | |
1278 | if (rc) { | |
1279 | DP_ERR(edev, "Status block initialization failed\n"); | |
1280 | dma_free_coherent(&edev->pdev->dev, sizeof(*sb_virt), | |
1281 | sb_virt, sb_phys); | |
1282 | return rc; | |
1283 | } | |
1284 | ||
1285 | return 0; | |
1286 | } | |
1287 | ||
1288 | static void qede_free_rx_buffers(struct qede_dev *edev, | |
1289 | struct qede_rx_queue *rxq) | |
1290 | { | |
1291 | u16 i; | |
1292 | ||
1293 | for (i = rxq->sw_rx_cons; i != rxq->sw_rx_prod; i++) { | |
1294 | struct sw_rx_data *rx_buf; | |
fc48b7a6 | 1295 | struct page *data; |
2950219d YM |
1296 | |
1297 | rx_buf = &rxq->sw_rx_ring[i & NUM_RX_BDS_MAX]; | |
1298 | data = rx_buf->data; | |
1299 | ||
fc48b7a6 | 1300 | dma_unmap_page(&edev->pdev->dev, |
cb6aeb07 | 1301 | rx_buf->mapping, PAGE_SIZE, rxq->data_direction); |
2950219d YM |
1302 | |
1303 | rx_buf->data = NULL; | |
fc48b7a6 | 1304 | __free_page(data); |
2950219d YM |
1305 | } |
1306 | } | |
1307 | ||
1a635e48 | 1308 | static void qede_free_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) |
2950219d YM |
1309 | { |
1310 | /* Free rx buffers */ | |
1311 | qede_free_rx_buffers(edev, rxq); | |
1312 | ||
1313 | /* Free the parallel SW ring */ | |
1314 | kfree(rxq->sw_rx_ring); | |
1315 | ||
1316 | /* Free the real RQ ring used by FW */ | |
1317 | edev->ops->common->chain_free(edev->cdev, &rxq->rx_bd_ring); | |
1318 | edev->ops->common->chain_free(edev->cdev, &rxq->rx_comp_ring); | |
1319 | } | |
1320 | ||
8a863397 | 1321 | static void qede_set_tpa_param(struct qede_rx_queue *rxq) |
55482edc | 1322 | { |
55482edc MC |
1323 | int i; |
1324 | ||
55482edc MC |
1325 | for (i = 0; i < ETH_TPA_MAX_AGGS_NUM; i++) { |
1326 | struct qede_agg_info *tpa_info = &rxq->tpa_info[i]; | |
55482edc | 1327 | |
01e23015 | 1328 | tpa_info->state = QEDE_AGG_STATE_NONE; |
55482edc | 1329 | } |
55482edc MC |
1330 | } |
1331 | ||
2950219d | 1332 | /* This function allocates all memory needed per Rx queue */ |
1a635e48 | 1333 | static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) |
2950219d | 1334 | { |
f86af2df | 1335 | int i, rc, size; |
2950219d YM |
1336 | |
1337 | rxq->num_rx_buffers = edev->q_num_rx_buffers; | |
1338 | ||
1a635e48 | 1339 | rxq->rx_buf_size = NET_IP_ALIGN + ETH_OVERHEAD + edev->ndev->mtu; |
8a863397 MC |
1340 | |
1341 | rxq->rx_headroom = edev->xdp_prog ? XDP_PACKET_HEADROOM : NET_SKB_PAD; | |
1342 | size = rxq->rx_headroom + | |
1343 | SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); | |
1a635e48 | 1344 | |
15ed8a47 | 1345 | /* Make sure that the headroom and payload fit in a single page */ |
8a863397 MC |
1346 | if (rxq->rx_buf_size + size > PAGE_SIZE) |
1347 | rxq->rx_buf_size = PAGE_SIZE - size; | |
fc48b7a6 | 1348 | |
8a863397 | 1349 | /* Segment size to spilt a page in multiple equal parts , |
496e0517 MY |
1350 | * unless XDP is used in which case we'd use the entire page. |
1351 | */ | |
8a863397 MC |
1352 | if (!edev->xdp_prog) { |
1353 | size = size + rxq->rx_buf_size; | |
1354 | rxq->rx_buf_seg_size = roundup_pow_of_two(size); | |
1355 | } else { | |
496e0517 | 1356 | rxq->rx_buf_seg_size = PAGE_SIZE; |
8a863397 | 1357 | } |
2950219d YM |
1358 | |
1359 | /* Allocate the parallel driver ring for Rx buffers */ | |
fc48b7a6 | 1360 | size = sizeof(*rxq->sw_rx_ring) * RX_RING_SIZE; |
2950219d YM |
1361 | rxq->sw_rx_ring = kzalloc(size, GFP_KERNEL); |
1362 | if (!rxq->sw_rx_ring) { | |
1363 | DP_ERR(edev, "Rx buffers ring allocation failed\n"); | |
f86af2df | 1364 | rc = -ENOMEM; |
2950219d YM |
1365 | goto err; |
1366 | } | |
1367 | ||
1368 | /* Allocate FW Rx ring */ | |
1369 | rc = edev->ops->common->chain_alloc(edev->cdev, | |
1370 | QED_CHAIN_USE_TO_CONSUME_PRODUCE, | |
1371 | QED_CHAIN_MODE_NEXT_PTR, | |
a91eb52a | 1372 | QED_CHAIN_CNT_TYPE_U16, |
fc48b7a6 | 1373 | RX_RING_SIZE, |
2950219d | 1374 | sizeof(struct eth_rx_bd), |
1a4a6975 | 1375 | &rxq->rx_bd_ring, NULL); |
2950219d YM |
1376 | if (rc) |
1377 | goto err; | |
1378 | ||
1379 | /* Allocate FW completion ring */ | |
1380 | rc = edev->ops->common->chain_alloc(edev->cdev, | |
1381 | QED_CHAIN_USE_TO_CONSUME, | |
1382 | QED_CHAIN_MODE_PBL, | |
a91eb52a | 1383 | QED_CHAIN_CNT_TYPE_U16, |
fc48b7a6 | 1384 | RX_RING_SIZE, |
2950219d | 1385 | sizeof(union eth_rx_cqe), |
1a4a6975 | 1386 | &rxq->rx_comp_ring, NULL); |
2950219d YM |
1387 | if (rc) |
1388 | goto err; | |
1389 | ||
1390 | /* Allocate buffers for the Rx ring */ | |
e3eef7ee | 1391 | rxq->filled_buffers = 0; |
2950219d | 1392 | for (i = 0; i < rxq->num_rx_buffers; i++) { |
e3eef7ee | 1393 | rc = qede_alloc_rx_buffer(rxq, false); |
f86af2df MC |
1394 | if (rc) { |
1395 | DP_ERR(edev, | |
1396 | "Rx buffers allocation failed at index %d\n", i); | |
1397 | goto err; | |
1398 | } | |
2950219d YM |
1399 | } |
1400 | ||
8a863397 MC |
1401 | if (!edev->gro_disable) |
1402 | qede_set_tpa_param(rxq); | |
2950219d | 1403 | err: |
f86af2df | 1404 | return rc; |
2950219d YM |
1405 | } |
1406 | ||
1a635e48 | 1407 | static void qede_free_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) |
2950219d YM |
1408 | { |
1409 | /* Free the parallel SW ring */ | |
cb6aeb07 | 1410 | if (txq->is_xdp) |
89e1afc4 | 1411 | kfree(txq->sw_tx_ring.xdp); |
cb6aeb07 MY |
1412 | else |
1413 | kfree(txq->sw_tx_ring.skbs); | |
2950219d YM |
1414 | |
1415 | /* Free the real RQ ring used by FW */ | |
1416 | edev->ops->common->chain_free(edev->cdev, &txq->tx_pbl); | |
1417 | } | |
1418 | ||
1419 | /* This function allocates all memory needed per Tx queue */ | |
1a635e48 | 1420 | static int qede_alloc_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) |
2950219d | 1421 | { |
2950219d | 1422 | union eth_tx_bd_types *p_virt; |
cb6aeb07 | 1423 | int size, rc; |
2950219d YM |
1424 | |
1425 | txq->num_tx_buffers = edev->q_num_tx_buffers; | |
1426 | ||
1427 | /* Allocate the parallel driver ring for Tx buffers */ | |
cb6aeb07 | 1428 | if (txq->is_xdp) { |
5a052d62 | 1429 | size = sizeof(*txq->sw_tx_ring.xdp) * txq->num_tx_buffers; |
89e1afc4 MY |
1430 | txq->sw_tx_ring.xdp = kzalloc(size, GFP_KERNEL); |
1431 | if (!txq->sw_tx_ring.xdp) | |
cb6aeb07 MY |
1432 | goto err; |
1433 | } else { | |
5a052d62 | 1434 | size = sizeof(*txq->sw_tx_ring.skbs) * txq->num_tx_buffers; |
cb6aeb07 MY |
1435 | txq->sw_tx_ring.skbs = kzalloc(size, GFP_KERNEL); |
1436 | if (!txq->sw_tx_ring.skbs) | |
1437 | goto err; | |
2950219d YM |
1438 | } |
1439 | ||
1440 | rc = edev->ops->common->chain_alloc(edev->cdev, | |
1441 | QED_CHAIN_USE_TO_CONSUME_PRODUCE, | |
1442 | QED_CHAIN_MODE_PBL, | |
a91eb52a | 1443 | QED_CHAIN_CNT_TYPE_U16, |
5a052d62 | 1444 | txq->num_tx_buffers, |
1a4a6975 MY |
1445 | sizeof(*p_virt), |
1446 | &txq->tx_pbl, NULL); | |
2950219d YM |
1447 | if (rc) |
1448 | goto err; | |
1449 | ||
1450 | return 0; | |
1451 | ||
1452 | err: | |
1453 | qede_free_mem_txq(edev, txq); | |
1454 | return -ENOMEM; | |
1455 | } | |
1456 | ||
1457 | /* This function frees all memory of a single fp */ | |
1a635e48 | 1458 | static void qede_free_mem_fp(struct qede_dev *edev, struct qede_fastpath *fp) |
2950219d | 1459 | { |
71851ea5 | 1460 | qede_free_mem_sb(edev, fp->sb_info, fp->id); |
2950219d | 1461 | |
9a4d7e86 SRK |
1462 | if (fp->type & QEDE_FASTPATH_RX) |
1463 | qede_free_mem_rxq(edev, fp->rxq); | |
2950219d | 1464 | |
92c43eb4 SRK |
1465 | if (fp->type & QEDE_FASTPATH_XDP) |
1466 | qede_free_mem_txq(edev, fp->xdp_tx); | |
1467 | ||
5e7baf0f MC |
1468 | if (fp->type & QEDE_FASTPATH_TX) { |
1469 | int cos; | |
1470 | ||
1471 | for_each_cos_in_txq(edev, cos) | |
1472 | qede_free_mem_txq(edev, &fp->txq[cos]); | |
1473 | } | |
2950219d YM |
1474 | } |
1475 | ||
1476 | /* This function allocates all memory needed for a single fp (i.e. an entity | |
9a4d7e86 | 1477 | * which contains status block, one rx queue and/or multiple per-TC tx queues. |
2950219d | 1478 | */ |
1a635e48 | 1479 | static int qede_alloc_mem_fp(struct qede_dev *edev, struct qede_fastpath *fp) |
2950219d | 1480 | { |
cb6aeb07 | 1481 | int rc = 0; |
2950219d | 1482 | |
9a4d7e86 | 1483 | rc = qede_alloc_mem_sb(edev, fp->sb_info, fp->id); |
2950219d | 1484 | if (rc) |
cb6aeb07 | 1485 | goto out; |
2950219d | 1486 | |
9a4d7e86 SRK |
1487 | if (fp->type & QEDE_FASTPATH_RX) { |
1488 | rc = qede_alloc_mem_rxq(edev, fp->rxq); | |
2950219d | 1489 | if (rc) |
cb6aeb07 MY |
1490 | goto out; |
1491 | } | |
1492 | ||
1493 | if (fp->type & QEDE_FASTPATH_XDP) { | |
1494 | rc = qede_alloc_mem_txq(edev, fp->xdp_tx); | |
1495 | if (rc) | |
1496 | goto out; | |
2950219d YM |
1497 | } |
1498 | ||
9a4d7e86 | 1499 | if (fp->type & QEDE_FASTPATH_TX) { |
5e7baf0f MC |
1500 | int cos; |
1501 | ||
1502 | for_each_cos_in_txq(edev, cos) { | |
1503 | rc = qede_alloc_mem_txq(edev, &fp->txq[cos]); | |
1504 | if (rc) | |
1505 | goto out; | |
1506 | } | |
9a4d7e86 SRK |
1507 | } |
1508 | ||
cb6aeb07 | 1509 | out: |
f86af2df | 1510 | return rc; |
2950219d YM |
1511 | } |
1512 | ||
1513 | static void qede_free_mem_load(struct qede_dev *edev) | |
1514 | { | |
1515 | int i; | |
1516 | ||
9a4d7e86 | 1517 | for_each_queue(i) { |
2950219d YM |
1518 | struct qede_fastpath *fp = &edev->fp_array[i]; |
1519 | ||
1520 | qede_free_mem_fp(edev, fp); | |
1521 | } | |
1522 | } | |
1523 | ||
1524 | /* This function allocates all qede memory at NIC load. */ | |
1525 | static int qede_alloc_mem_load(struct qede_dev *edev) | |
1526 | { | |
9a4d7e86 | 1527 | int rc = 0, queue_id; |
2950219d | 1528 | |
9a4d7e86 SRK |
1529 | for (queue_id = 0; queue_id < QEDE_QUEUE_CNT(edev); queue_id++) { |
1530 | struct qede_fastpath *fp = &edev->fp_array[queue_id]; | |
2950219d YM |
1531 | |
1532 | rc = qede_alloc_mem_fp(edev, fp); | |
f86af2df | 1533 | if (rc) { |
2950219d | 1534 | DP_ERR(edev, |
f86af2df | 1535 | "Failed to allocate memory for fastpath - rss id = %d\n", |
9a4d7e86 | 1536 | queue_id); |
f86af2df MC |
1537 | qede_free_mem_load(edev); |
1538 | return rc; | |
2950219d | 1539 | } |
2950219d YM |
1540 | } |
1541 | ||
1542 | return 0; | |
1543 | } | |
1544 | ||
1545 | /* This function inits fp content and resets the SB, RXQ and TXQ structures */ | |
1546 | static void qede_init_fp(struct qede_dev *edev) | |
1547 | { | |
80439a17 | 1548 | int queue_id, rxq_index = 0, txq_index = 0; |
2950219d YM |
1549 | struct qede_fastpath *fp; |
1550 | ||
9a4d7e86 SRK |
1551 | for_each_queue(queue_id) { |
1552 | fp = &edev->fp_array[queue_id]; | |
2950219d YM |
1553 | |
1554 | fp->edev = edev; | |
9a4d7e86 | 1555 | fp->id = queue_id; |
2950219d | 1556 | |
cb6aeb07 MY |
1557 | if (fp->type & QEDE_FASTPATH_XDP) { |
1558 | fp->xdp_tx->index = QEDE_TXQ_IDX_TO_XDP(edev, | |
1559 | rxq_index); | |
1560 | fp->xdp_tx->is_xdp = 1; | |
1561 | } | |
2950219d | 1562 | |
9a4d7e86 | 1563 | if (fp->type & QEDE_FASTPATH_RX) { |
9a4d7e86 | 1564 | fp->rxq->rxq_id = rxq_index++; |
cb6aeb07 MY |
1565 | |
1566 | /* Determine how to map buffers for this queue */ | |
1567 | if (fp->type & QEDE_FASTPATH_XDP) | |
1568 | fp->rxq->data_direction = DMA_BIDIRECTIONAL; | |
1569 | else | |
1570 | fp->rxq->data_direction = DMA_FROM_DEVICE; | |
9eb22357 | 1571 | fp->rxq->dev = &edev->pdev->dev; |
c0124f32 JDB |
1572 | |
1573 | /* Driver have no error path from here */ | |
1574 | WARN_ON(xdp_rxq_info_reg(&fp->rxq->xdp_rxq, edev->ndev, | |
1575 | fp->rxq->rxq_id) < 0); | |
9a4d7e86 | 1576 | } |
2950219d | 1577 | |
9a4d7e86 | 1578 | if (fp->type & QEDE_FASTPATH_TX) { |
5e7baf0f MC |
1579 | int cos; |
1580 | ||
1581 | for_each_cos_in_txq(edev, cos) { | |
1582 | struct qede_tx_queue *txq = &fp->txq[cos]; | |
1583 | u16 ndev_tx_id; | |
1584 | ||
1585 | txq->cos = cos; | |
1586 | txq->index = txq_index; | |
1587 | ndev_tx_id = QEDE_TXQ_TO_NDEV_TXQ_ID(edev, txq); | |
1588 | txq->ndev_txq_id = ndev_tx_id; | |
1589 | ||
1590 | if (edev->dev_info.is_legacy) | |
1591 | txq->is_legacy = 1; | |
1592 | txq->dev = &edev->pdev->dev; | |
1593 | } | |
1594 | ||
1595 | txq_index++; | |
2950219d YM |
1596 | } |
1597 | ||
1598 | snprintf(fp->name, sizeof(fp->name), "%s-fp-%d", | |
9a4d7e86 | 1599 | edev->ndev->name, queue_id); |
2950219d | 1600 | } |
55482edc | 1601 | |
18c602de | 1602 | edev->gro_disable = !(edev->ndev->features & NETIF_F_GRO_HW); |
2950219d YM |
1603 | } |
1604 | ||
1605 | static int qede_set_real_num_queues(struct qede_dev *edev) | |
1606 | { | |
1607 | int rc = 0; | |
1608 | ||
5e7baf0f MC |
1609 | rc = netif_set_real_num_tx_queues(edev->ndev, |
1610 | QEDE_TSS_COUNT(edev) * | |
1611 | edev->dev_info.num_tc); | |
2950219d YM |
1612 | if (rc) { |
1613 | DP_NOTICE(edev, "Failed to set real number of Tx queues\n"); | |
1614 | return rc; | |
1615 | } | |
9a4d7e86 SRK |
1616 | |
1617 | rc = netif_set_real_num_rx_queues(edev->ndev, QEDE_RSS_COUNT(edev)); | |
2950219d YM |
1618 | if (rc) { |
1619 | DP_NOTICE(edev, "Failed to set real number of Rx queues\n"); | |
1620 | return rc; | |
1621 | } | |
1622 | ||
1623 | return 0; | |
1624 | } | |
1625 | ||
1626 | static void qede_napi_disable_remove(struct qede_dev *edev) | |
1627 | { | |
1628 | int i; | |
1629 | ||
9a4d7e86 | 1630 | for_each_queue(i) { |
2950219d YM |
1631 | napi_disable(&edev->fp_array[i].napi); |
1632 | ||
1633 | netif_napi_del(&edev->fp_array[i].napi); | |
1634 | } | |
1635 | } | |
1636 | ||
1637 | static void qede_napi_add_enable(struct qede_dev *edev) | |
1638 | { | |
1639 | int i; | |
1640 | ||
1641 | /* Add NAPI objects */ | |
9a4d7e86 | 1642 | for_each_queue(i) { |
2950219d YM |
1643 | netif_napi_add(edev->ndev, &edev->fp_array[i].napi, |
1644 | qede_poll, NAPI_POLL_WEIGHT); | |
1645 | napi_enable(&edev->fp_array[i].napi); | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | static void qede_sync_free_irqs(struct qede_dev *edev) | |
1650 | { | |
1651 | int i; | |
1652 | ||
1653 | for (i = 0; i < edev->int_info.used_cnt; i++) { | |
1654 | if (edev->int_info.msix_cnt) { | |
1655 | synchronize_irq(edev->int_info.msix[i].vector); | |
1656 | free_irq(edev->int_info.msix[i].vector, | |
1657 | &edev->fp_array[i]); | |
1658 | } else { | |
1659 | edev->ops->common->simd_handler_clean(edev->cdev, i); | |
1660 | } | |
1661 | } | |
1662 | ||
1663 | edev->int_info.used_cnt = 0; | |
1664 | } | |
1665 | ||
1666 | static int qede_req_msix_irqs(struct qede_dev *edev) | |
1667 | { | |
1668 | int i, rc; | |
1669 | ||
1670 | /* Sanitize number of interrupts == number of prepared RSS queues */ | |
9a4d7e86 | 1671 | if (QEDE_QUEUE_CNT(edev) > edev->int_info.msix_cnt) { |
2950219d YM |
1672 | DP_ERR(edev, |
1673 | "Interrupt mismatch: %d RSS queues > %d MSI-x vectors\n", | |
9a4d7e86 | 1674 | QEDE_QUEUE_CNT(edev), edev->int_info.msix_cnt); |
2950219d YM |
1675 | return -EINVAL; |
1676 | } | |
1677 | ||
9a4d7e86 | 1678 | for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { |
e4917d46 CM |
1679 | #ifdef CONFIG_RFS_ACCEL |
1680 | struct qede_fastpath *fp = &edev->fp_array[i]; | |
1681 | ||
1682 | if (edev->ndev->rx_cpu_rmap && (fp->type & QEDE_FASTPATH_RX)) { | |
1683 | rc = irq_cpu_rmap_add(edev->ndev->rx_cpu_rmap, | |
1684 | edev->int_info.msix[i].vector); | |
1685 | if (rc) { | |
1686 | DP_ERR(edev, "Failed to add CPU rmap\n"); | |
1687 | qede_free_arfs(edev); | |
1688 | } | |
1689 | } | |
1690 | #endif | |
2950219d YM |
1691 | rc = request_irq(edev->int_info.msix[i].vector, |
1692 | qede_msix_fp_int, 0, edev->fp_array[i].name, | |
1693 | &edev->fp_array[i]); | |
1694 | if (rc) { | |
1695 | DP_ERR(edev, "Request fp %d irq failed\n", i); | |
1696 | qede_sync_free_irqs(edev); | |
1697 | return rc; | |
1698 | } | |
1699 | DP_VERBOSE(edev, NETIF_MSG_INTR, | |
1700 | "Requested fp irq for %s [entry %d]. Cookie is at %p\n", | |
1701 | edev->fp_array[i].name, i, | |
1702 | &edev->fp_array[i]); | |
1703 | edev->int_info.used_cnt++; | |
1704 | } | |
1705 | ||
1706 | return 0; | |
1707 | } | |
1708 | ||
1709 | static void qede_simd_fp_handler(void *cookie) | |
1710 | { | |
1711 | struct qede_fastpath *fp = (struct qede_fastpath *)cookie; | |
1712 | ||
1713 | napi_schedule_irqoff(&fp->napi); | |
1714 | } | |
1715 | ||
1716 | static int qede_setup_irqs(struct qede_dev *edev) | |
1717 | { | |
1718 | int i, rc = 0; | |
1719 | ||
1720 | /* Learn Interrupt configuration */ | |
1721 | rc = edev->ops->common->get_fp_int(edev->cdev, &edev->int_info); | |
1722 | if (rc) | |
1723 | return rc; | |
1724 | ||
1725 | if (edev->int_info.msix_cnt) { | |
1726 | rc = qede_req_msix_irqs(edev); | |
1727 | if (rc) | |
1728 | return rc; | |
1729 | edev->ndev->irq = edev->int_info.msix[0].vector; | |
1730 | } else { | |
1731 | const struct qed_common_ops *ops; | |
1732 | ||
1733 | /* qed should learn receive the RSS ids and callbacks */ | |
1734 | ops = edev->ops->common; | |
9a4d7e86 | 1735 | for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) |
2950219d YM |
1736 | ops->simd_handler_config(edev->cdev, |
1737 | &edev->fp_array[i], i, | |
1738 | qede_simd_fp_handler); | |
9a4d7e86 | 1739 | edev->int_info.used_cnt = QEDE_QUEUE_CNT(edev); |
2950219d YM |
1740 | } |
1741 | return 0; | |
1742 | } | |
1743 | ||
1744 | static int qede_drain_txq(struct qede_dev *edev, | |
1a635e48 | 1745 | struct qede_tx_queue *txq, bool allow_drain) |
2950219d YM |
1746 | { |
1747 | int rc, cnt = 1000; | |
1748 | ||
1749 | while (txq->sw_tx_cons != txq->sw_tx_prod) { | |
1750 | if (!cnt) { | |
1751 | if (allow_drain) { | |
1752 | DP_NOTICE(edev, | |
1753 | "Tx queue[%d] is stuck, requesting MCP to drain\n", | |
1754 | txq->index); | |
1755 | rc = edev->ops->common->drain(edev->cdev); | |
1756 | if (rc) | |
1757 | return rc; | |
1758 | return qede_drain_txq(edev, txq, false); | |
1759 | } | |
1760 | DP_NOTICE(edev, | |
1761 | "Timeout waiting for tx queue[%d]: PROD=%d, CONS=%d\n", | |
1762 | txq->index, txq->sw_tx_prod, | |
1763 | txq->sw_tx_cons); | |
1764 | return -ENODEV; | |
1765 | } | |
1766 | cnt--; | |
1767 | usleep_range(1000, 2000); | |
1768 | barrier(); | |
1769 | } | |
1770 | ||
1771 | /* FW finished processing, wait for HW to transmit all tx packets */ | |
1772 | usleep_range(1000, 2000); | |
1773 | ||
1774 | return 0; | |
1775 | } | |
1776 | ||
3da7a37a MY |
1777 | static int qede_stop_txq(struct qede_dev *edev, |
1778 | struct qede_tx_queue *txq, int rss_id) | |
1779 | { | |
bd4db888 AE |
1780 | /* delete doorbell from doorbell recovery mechanism */ |
1781 | edev->ops->common->db_recovery_del(edev->cdev, txq->doorbell_addr, | |
1782 | &txq->tx_db); | |
1783 | ||
3da7a37a MY |
1784 | return edev->ops->q_tx_stop(edev->cdev, rss_id, txq->handle); |
1785 | } | |
1786 | ||
2950219d YM |
1787 | static int qede_stop_queues(struct qede_dev *edev) |
1788 | { | |
f29ffdb6 | 1789 | struct qed_update_vport_params *vport_update_params; |
2950219d | 1790 | struct qed_dev *cdev = edev->cdev; |
80439a17 MY |
1791 | struct qede_fastpath *fp; |
1792 | int rc, i; | |
2950219d YM |
1793 | |
1794 | /* Disable the vport */ | |
f29ffdb6 MY |
1795 | vport_update_params = vzalloc(sizeof(*vport_update_params)); |
1796 | if (!vport_update_params) | |
1797 | return -ENOMEM; | |
1798 | ||
1799 | vport_update_params->vport_id = 0; | |
1800 | vport_update_params->update_vport_active_flg = 1; | |
1801 | vport_update_params->vport_active_flg = 0; | |
1802 | vport_update_params->update_rss_flg = 0; | |
1803 | ||
1804 | rc = edev->ops->vport_update(cdev, vport_update_params); | |
1805 | vfree(vport_update_params); | |
2950219d | 1806 | |
2950219d YM |
1807 | if (rc) { |
1808 | DP_ERR(edev, "Failed to update vport\n"); | |
1809 | return rc; | |
1810 | } | |
1811 | ||
1812 | /* Flush Tx queues. If needed, request drain from MCP */ | |
9a4d7e86 | 1813 | for_each_queue(i) { |
80439a17 | 1814 | fp = &edev->fp_array[i]; |
2950219d | 1815 | |
9a4d7e86 | 1816 | if (fp->type & QEDE_FASTPATH_TX) { |
5e7baf0f MC |
1817 | int cos; |
1818 | ||
1819 | for_each_cos_in_txq(edev, cos) { | |
1820 | rc = qede_drain_txq(edev, &fp->txq[cos], true); | |
1821 | if (rc) | |
1822 | return rc; | |
1823 | } | |
2950219d | 1824 | } |
cb6aeb07 MY |
1825 | |
1826 | if (fp->type & QEDE_FASTPATH_XDP) { | |
1827 | rc = qede_drain_txq(edev, fp->xdp_tx, true); | |
1828 | if (rc) | |
1829 | return rc; | |
1830 | } | |
2950219d YM |
1831 | } |
1832 | ||
9a4d7e86 SRK |
1833 | /* Stop all Queues in reverse order */ |
1834 | for (i = QEDE_QUEUE_CNT(edev) - 1; i >= 0; i--) { | |
80439a17 MY |
1835 | fp = &edev->fp_array[i]; |
1836 | ||
9a4d7e86 | 1837 | /* Stop the Tx Queue(s) */ |
80439a17 | 1838 | if (fp->type & QEDE_FASTPATH_TX) { |
5e7baf0f MC |
1839 | int cos; |
1840 | ||
1841 | for_each_cos_in_txq(edev, cos) { | |
1842 | rc = qede_stop_txq(edev, &fp->txq[cos], i); | |
1843 | if (rc) | |
1844 | return rc; | |
1845 | } | |
2950219d YM |
1846 | } |
1847 | ||
9a4d7e86 | 1848 | /* Stop the Rx Queue */ |
80439a17 | 1849 | if (fp->type & QEDE_FASTPATH_RX) { |
3da7a37a | 1850 | rc = edev->ops->q_rx_stop(cdev, i, fp->rxq->handle); |
9a4d7e86 SRK |
1851 | if (rc) { |
1852 | DP_ERR(edev, "Failed to stop RXQ #%d\n", i); | |
1853 | return rc; | |
1854 | } | |
2950219d | 1855 | } |
496e0517 | 1856 | |
cb6aeb07 MY |
1857 | /* Stop the XDP forwarding queue */ |
1858 | if (fp->type & QEDE_FASTPATH_XDP) { | |
1859 | rc = qede_stop_txq(edev, fp->xdp_tx, i); | |
1860 | if (rc) | |
1861 | return rc; | |
1862 | ||
496e0517 | 1863 | bpf_prog_put(fp->rxq->xdp_prog); |
cb6aeb07 | 1864 | } |
2950219d YM |
1865 | } |
1866 | ||
1867 | /* Stop the vport */ | |
1868 | rc = edev->ops->vport_stop(cdev, 0); | |
1869 | if (rc) | |
1870 | DP_ERR(edev, "Failed to stop VPORT\n"); | |
1871 | ||
1872 | return rc; | |
1873 | } | |
1874 | ||
3da7a37a MY |
1875 | static int qede_start_txq(struct qede_dev *edev, |
1876 | struct qede_fastpath *fp, | |
1877 | struct qede_tx_queue *txq, u8 rss_id, u16 sb_idx) | |
1878 | { | |
1879 | dma_addr_t phys_table = qed_chain_get_pbl_phys(&txq->tx_pbl); | |
1880 | u32 page_cnt = qed_chain_get_page_cnt(&txq->tx_pbl); | |
1881 | struct qed_queue_start_common_params params; | |
1882 | struct qed_txq_start_ret_params ret_params; | |
1883 | int rc; | |
1884 | ||
1885 | memset(¶ms, 0, sizeof(params)); | |
1886 | memset(&ret_params, 0, sizeof(ret_params)); | |
1887 | ||
cb6aeb07 MY |
1888 | /* Let the XDP queue share the queue-zone with one of the regular txq. |
1889 | * We don't really care about its coalescing. | |
1890 | */ | |
1891 | if (txq->is_xdp) | |
1892 | params.queue_id = QEDE_TXQ_XDP_TO_IDX(edev, txq); | |
1893 | else | |
1894 | params.queue_id = txq->index; | |
1895 | ||
f604b17d | 1896 | params.p_sb = fp->sb_info; |
3da7a37a | 1897 | params.sb_idx = sb_idx; |
5e7baf0f | 1898 | params.tc = txq->cos; |
3da7a37a MY |
1899 | |
1900 | rc = edev->ops->q_tx_start(edev->cdev, rss_id, ¶ms, phys_table, | |
1901 | page_cnt, &ret_params); | |
1902 | if (rc) { | |
1903 | DP_ERR(edev, "Start TXQ #%d failed %d\n", txq->index, rc); | |
1904 | return rc; | |
1905 | } | |
1906 | ||
1907 | txq->doorbell_addr = ret_params.p_doorbell; | |
1908 | txq->handle = ret_params.p_handle; | |
1909 | ||
1910 | /* Determine the FW consumer address associated */ | |
1911 | txq->hw_cons_ptr = &fp->sb_info->sb_virt->pi_array[sb_idx]; | |
1912 | ||
1913 | /* Prepare the doorbell parameters */ | |
1914 | SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_DEST, DB_DEST_XCM); | |
1915 | SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_AGG_CMD, DB_AGG_CMD_SET); | |
1916 | SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_AGG_VAL_SEL, | |
1917 | DQ_XCM_ETH_TX_BD_PROD_CMD); | |
1918 | txq->tx_db.data.agg_flags = DQ_XCM_ETH_DQ_CF_CMD; | |
1919 | ||
bd4db888 AE |
1920 | /* register doorbell with doorbell recovery mechanism */ |
1921 | rc = edev->ops->common->db_recovery_add(edev->cdev, txq->doorbell_addr, | |
1922 | &txq->tx_db, DB_REC_WIDTH_32B, | |
1923 | DB_REC_KERNEL); | |
1924 | ||
3da7a37a MY |
1925 | return rc; |
1926 | } | |
1927 | ||
a0d26d5a | 1928 | static int qede_start_queues(struct qede_dev *edev, bool clear_stats) |
2950219d | 1929 | { |
088c8618 | 1930 | int vlan_removal_en = 1; |
2950219d | 1931 | struct qed_dev *cdev = edev->cdev; |
fefb0202 | 1932 | struct qed_dev_info *qed_info = &edev->dev_info.common; |
f29ffdb6 MY |
1933 | struct qed_update_vport_params *vport_update_params; |
1934 | struct qed_queue_start_common_params q_params; | |
088c8618 | 1935 | struct qed_start_vport_params start = {0}; |
80439a17 | 1936 | int rc, i; |
2950219d | 1937 | |
9a4d7e86 | 1938 | if (!edev->num_queues) { |
2950219d YM |
1939 | DP_ERR(edev, |
1940 | "Cannot update V-VPORT as active as there are no Rx queues\n"); | |
1941 | return -EINVAL; | |
1942 | } | |
1943 | ||
f29ffdb6 MY |
1944 | vport_update_params = vzalloc(sizeof(*vport_update_params)); |
1945 | if (!vport_update_params) | |
1946 | return -ENOMEM; | |
1947 | ||
4c55215c | 1948 | start.handle_ptp_pkts = !!(edev->ptp); |
55482edc | 1949 | start.gro_enable = !edev->gro_disable; |
088c8618 MC |
1950 | start.mtu = edev->ndev->mtu; |
1951 | start.vport_id = 0; | |
1952 | start.drop_ttl0 = true; | |
1953 | start.remove_inner_vlan = vlan_removal_en; | |
7f7a144f | 1954 | start.clear_stats = clear_stats; |
088c8618 MC |
1955 | |
1956 | rc = edev->ops->vport_start(cdev, &start); | |
2950219d YM |
1957 | |
1958 | if (rc) { | |
1959 | DP_ERR(edev, "Start V-PORT failed %d\n", rc); | |
f29ffdb6 | 1960 | goto out; |
2950219d YM |
1961 | } |
1962 | ||
1963 | DP_VERBOSE(edev, NETIF_MSG_IFUP, | |
1964 | "Start vport ramrod passed, vport_id = %d, MTU = %d, vlan_removal_en = %d\n", | |
088c8618 | 1965 | start.vport_id, edev->ndev->mtu + 0xe, vlan_removal_en); |
2950219d | 1966 | |
9a4d7e86 | 1967 | for_each_queue(i) { |
2950219d | 1968 | struct qede_fastpath *fp = &edev->fp_array[i]; |
9a4d7e86 SRK |
1969 | dma_addr_t p_phys_table; |
1970 | u32 page_cnt; | |
2950219d | 1971 | |
9a4d7e86 | 1972 | if (fp->type & QEDE_FASTPATH_RX) { |
3da7a37a | 1973 | struct qed_rxq_start_ret_params ret_params; |
9a4d7e86 SRK |
1974 | struct qede_rx_queue *rxq = fp->rxq; |
1975 | __le16 *val; | |
2950219d | 1976 | |
3da7a37a | 1977 | memset(&ret_params, 0, sizeof(ret_params)); |
9a4d7e86 | 1978 | memset(&q_params, 0, sizeof(q_params)); |
9a4d7e86 SRK |
1979 | q_params.queue_id = rxq->rxq_id; |
1980 | q_params.vport_id = 0; | |
f604b17d | 1981 | q_params.p_sb = fp->sb_info; |
9a4d7e86 SRK |
1982 | q_params.sb_idx = RX_PI; |
1983 | ||
1984 | p_phys_table = | |
1985 | qed_chain_get_pbl_phys(&rxq->rx_comp_ring); | |
1986 | page_cnt = qed_chain_get_page_cnt(&rxq->rx_comp_ring); | |
1987 | ||
3da7a37a | 1988 | rc = edev->ops->q_rx_start(cdev, i, &q_params, |
9a4d7e86 SRK |
1989 | rxq->rx_buf_size, |
1990 | rxq->rx_bd_ring.p_phys_addr, | |
1991 | p_phys_table, | |
3da7a37a | 1992 | page_cnt, &ret_params); |
9a4d7e86 SRK |
1993 | if (rc) { |
1994 | DP_ERR(edev, "Start RXQ #%d failed %d\n", i, | |
1995 | rc); | |
f29ffdb6 | 1996 | goto out; |
9a4d7e86 SRK |
1997 | } |
1998 | ||
3da7a37a MY |
1999 | /* Use the return parameters */ |
2000 | rxq->hw_rxq_prod_addr = ret_params.p_prod; | |
2001 | rxq->handle = ret_params.p_handle; | |
2002 | ||
9a4d7e86 SRK |
2003 | val = &fp->sb_info->sb_virt->pi_array[RX_PI]; |
2004 | rxq->hw_cons_ptr = val; | |
2005 | ||
2006 | qede_update_rx_prod(edev, rxq); | |
2007 | } | |
2008 | ||
496e0517 | 2009 | if (fp->type & QEDE_FASTPATH_XDP) { |
cb6aeb07 MY |
2010 | rc = qede_start_txq(edev, fp, fp->xdp_tx, i, XDP_PI); |
2011 | if (rc) | |
f29ffdb6 | 2012 | goto out; |
cb6aeb07 | 2013 | |
496e0517 MY |
2014 | fp->rxq->xdp_prog = bpf_prog_add(edev->xdp_prog, 1); |
2015 | if (IS_ERR(fp->rxq->xdp_prog)) { | |
2016 | rc = PTR_ERR(fp->rxq->xdp_prog); | |
2017 | fp->rxq->xdp_prog = NULL; | |
f29ffdb6 | 2018 | goto out; |
496e0517 MY |
2019 | } |
2020 | } | |
2021 | ||
80439a17 | 2022 | if (fp->type & QEDE_FASTPATH_TX) { |
5e7baf0f MC |
2023 | int cos; |
2024 | ||
2025 | for_each_cos_in_txq(edev, cos) { | |
2026 | rc = qede_start_txq(edev, fp, &fp->txq[cos], i, | |
2027 | TX_PI(cos)); | |
2028 | if (rc) | |
2029 | goto out; | |
2030 | } | |
2950219d YM |
2031 | } |
2032 | } | |
2033 | ||
2034 | /* Prepare and send the vport enable */ | |
f29ffdb6 MY |
2035 | vport_update_params->vport_id = start.vport_id; |
2036 | vport_update_params->update_vport_active_flg = 1; | |
2037 | vport_update_params->vport_active_flg = 1; | |
2950219d | 2038 | |
0bc5fe85 | 2039 | if ((qed_info->b_inter_pf_switch || pci_num_vf(edev->pdev)) && |
831bfb0e | 2040 | qed_info->tx_switching) { |
f29ffdb6 MY |
2041 | vport_update_params->update_tx_switching_flg = 1; |
2042 | vport_update_params->tx_switching_flg = 1; | |
831bfb0e YM |
2043 | } |
2044 | ||
f29ffdb6 MY |
2045 | qede_fill_rss_params(edev, &vport_update_params->rss_params, |
2046 | &vport_update_params->update_rss_flg); | |
961acdea | 2047 | |
f29ffdb6 MY |
2048 | rc = edev->ops->vport_update(cdev, vport_update_params); |
2049 | if (rc) | |
2950219d | 2050 | DP_ERR(edev, "Update V-PORT failed %d\n", rc); |
2950219d | 2051 | |
f29ffdb6 MY |
2052 | out: |
2053 | vfree(vport_update_params); | |
2054 | return rc; | |
2950219d YM |
2055 | } |
2056 | ||
2057 | enum qede_unload_mode { | |
2058 | QEDE_UNLOAD_NORMAL, | |
2059 | }; | |
2060 | ||
567b3c12 MY |
2061 | static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode, |
2062 | bool is_locked) | |
2950219d | 2063 | { |
a2ec6172 | 2064 | struct qed_link_params link_params; |
2950219d YM |
2065 | int rc; |
2066 | ||
2067 | DP_INFO(edev, "Starting qede unload\n"); | |
2068 | ||
567b3c12 MY |
2069 | if (!is_locked) |
2070 | __qede_lock(edev); | |
2071 | ||
f04e48db SRK |
2072 | clear_bit(QEDE_FLAGS_LINK_REQUESTED, &edev->flags); |
2073 | ||
0d8e0aa0 SK |
2074 | edev->state = QEDE_STATE_CLOSED; |
2075 | ||
bbfcd1e8 | 2076 | qede_rdma_dev_event_close(edev); |
2e7022d6 | 2077 | |
2950219d YM |
2078 | /* Close OS Tx */ |
2079 | netif_tx_disable(edev->ndev); | |
2080 | netif_carrier_off(edev->ndev); | |
2081 | ||
a2ec6172 SK |
2082 | /* Reset the link */ |
2083 | memset(&link_params, 0, sizeof(link_params)); | |
2084 | link_params.link_up = false; | |
2085 | edev->ops->common->set_link(edev->cdev, &link_params); | |
2950219d YM |
2086 | rc = qede_stop_queues(edev); |
2087 | if (rc) { | |
2088 | qede_sync_free_irqs(edev); | |
2089 | goto out; | |
2090 | } | |
2091 | ||
2092 | DP_INFO(edev, "Stopped Queues\n"); | |
2093 | ||
7c1bfcad | 2094 | qede_vlan_mark_nonconfigured(edev); |
2950219d | 2095 | edev->ops->fastpath_stop(edev->cdev); |
3f2a2b8b | 2096 | |
e4917d46 CM |
2097 | if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { |
2098 | qede_poll_for_freeing_arfs_filters(edev); | |
2099 | qede_free_arfs(edev); | |
2100 | } | |
3f2a2b8b | 2101 | |
2950219d YM |
2102 | /* Release the interrupts */ |
2103 | qede_sync_free_irqs(edev); | |
2104 | edev->ops->common->set_fp_int(edev->cdev, 0); | |
2105 | ||
2106 | qede_napi_disable_remove(edev); | |
2107 | ||
2108 | qede_free_mem_load(edev); | |
2109 | qede_free_fp_array(edev); | |
2110 | ||
2111 | out: | |
567b3c12 MY |
2112 | if (!is_locked) |
2113 | __qede_unlock(edev); | |
2950219d YM |
2114 | DP_INFO(edev, "Ending qede unload\n"); |
2115 | } | |
2116 | ||
2117 | enum qede_load_mode { | |
2118 | QEDE_LOAD_NORMAL, | |
a0d26d5a | 2119 | QEDE_LOAD_RELOAD, |
2950219d YM |
2120 | }; |
2121 | ||
567b3c12 MY |
2122 | static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, |
2123 | bool is_locked) | |
2950219d | 2124 | { |
a2ec6172 | 2125 | struct qed_link_params link_params; |
5e7baf0f | 2126 | u8 num_tc; |
2950219d YM |
2127 | int rc; |
2128 | ||
2129 | DP_INFO(edev, "Starting qede load\n"); | |
2130 | ||
567b3c12 MY |
2131 | if (!is_locked) |
2132 | __qede_lock(edev); | |
2133 | ||
2950219d YM |
2134 | rc = qede_set_num_queues(edev); |
2135 | if (rc) | |
567b3c12 | 2136 | goto out; |
2950219d YM |
2137 | |
2138 | rc = qede_alloc_fp_array(edev); | |
2139 | if (rc) | |
567b3c12 | 2140 | goto out; |
2950219d YM |
2141 | |
2142 | qede_init_fp(edev); | |
2143 | ||
2144 | rc = qede_alloc_mem_load(edev); | |
2145 | if (rc) | |
2146 | goto err1; | |
80439a17 MY |
2147 | DP_INFO(edev, "Allocated %d Rx, %d Tx queues\n", |
2148 | QEDE_RSS_COUNT(edev), QEDE_TSS_COUNT(edev)); | |
2950219d YM |
2149 | |
2150 | rc = qede_set_real_num_queues(edev); | |
2151 | if (rc) | |
2152 | goto err2; | |
2153 | ||
e4917d46 CM |
2154 | if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { |
2155 | rc = qede_alloc_arfs(edev); | |
2156 | if (rc) | |
2157 | DP_NOTICE(edev, "aRFS memory allocation failed\n"); | |
2158 | } | |
3f2a2b8b | 2159 | |
2950219d YM |
2160 | qede_napi_add_enable(edev); |
2161 | DP_INFO(edev, "Napi added and enabled\n"); | |
2162 | ||
2163 | rc = qede_setup_irqs(edev); | |
2164 | if (rc) | |
2165 | goto err3; | |
2166 | DP_INFO(edev, "Setup IRQs succeeded\n"); | |
2167 | ||
a0d26d5a | 2168 | rc = qede_start_queues(edev, mode != QEDE_LOAD_RELOAD); |
2950219d YM |
2169 | if (rc) |
2170 | goto err4; | |
2171 | DP_INFO(edev, "Start VPORT, RXQ and TXQ succeeded\n"); | |
2172 | ||
5e7baf0f MC |
2173 | num_tc = netdev_get_num_tc(edev->ndev); |
2174 | num_tc = num_tc ? num_tc : edev->dev_info.num_tc; | |
2175 | qede_setup_tc(edev->ndev, num_tc); | |
2176 | ||
7c1bfcad SRK |
2177 | /* Program un-configured VLANs */ |
2178 | qede_configure_vlan_filters(edev); | |
2179 | ||
f04e48db SRK |
2180 | set_bit(QEDE_FLAGS_LINK_REQUESTED, &edev->flags); |
2181 | ||
a2ec6172 SK |
2182 | /* Ask for link-up using current configuration */ |
2183 | memset(&link_params, 0, sizeof(link_params)); | |
2184 | link_params.link_up = true; | |
2185 | edev->ops->common->set_link(edev->cdev, &link_params); | |
2186 | ||
567b3c12 MY |
2187 | edev->state = QEDE_STATE_OPEN; |
2188 | ||
2950219d YM |
2189 | DP_INFO(edev, "Ending successfully qede load\n"); |
2190 | ||
567b3c12 | 2191 | goto out; |
2950219d YM |
2192 | err4: |
2193 | qede_sync_free_irqs(edev); | |
2194 | memset(&edev->int_info.msix_cnt, 0, sizeof(struct qed_int_info)); | |
2195 | err3: | |
2196 | qede_napi_disable_remove(edev); | |
2197 | err2: | |
2198 | qede_free_mem_load(edev); | |
2199 | err1: | |
2200 | edev->ops->common->set_fp_int(edev->cdev, 0); | |
2201 | qede_free_fp_array(edev); | |
9a4d7e86 SRK |
2202 | edev->num_queues = 0; |
2203 | edev->fp_num_tx = 0; | |
2204 | edev->fp_num_rx = 0; | |
567b3c12 MY |
2205 | out: |
2206 | if (!is_locked) | |
2207 | __qede_unlock(edev); | |
2208 | ||
2950219d YM |
2209 | return rc; |
2210 | } | |
2211 | ||
567b3c12 MY |
2212 | /* 'func' should be able to run between unload and reload assuming interface |
2213 | * is actually running, or afterwards in case it's currently DOWN. | |
2214 | */ | |
133fac0e | 2215 | void qede_reload(struct qede_dev *edev, |
567b3c12 | 2216 | struct qede_reload_args *args, bool is_locked) |
133fac0e | 2217 | { |
567b3c12 MY |
2218 | if (!is_locked) |
2219 | __qede_lock(edev); | |
2220 | ||
2221 | /* Since qede_lock is held, internal state wouldn't change even | |
2222 | * if netdev state would start transitioning. Check whether current | |
2223 | * internal configuration indicates device is up, then reload. | |
133fac0e | 2224 | */ |
567b3c12 MY |
2225 | if (edev->state == QEDE_STATE_OPEN) { |
2226 | qede_unload(edev, QEDE_UNLOAD_NORMAL, true); | |
2227 | if (args) | |
2228 | args->func(edev, args); | |
2229 | qede_load(edev, QEDE_LOAD_RELOAD, true); | |
133fac0e | 2230 | |
567b3c12 MY |
2231 | /* Since no one is going to do it for us, re-configure */ |
2232 | qede_config_rx_mode(edev->ndev); | |
2233 | } else if (args) { | |
2234 | args->func(edev, args); | |
2235 | } | |
133fac0e | 2236 | |
567b3c12 MY |
2237 | if (!is_locked) |
2238 | __qede_unlock(edev); | |
133fac0e SK |
2239 | } |
2240 | ||
2950219d YM |
2241 | /* called with rtnl_lock */ |
2242 | static int qede_open(struct net_device *ndev) | |
2243 | { | |
2244 | struct qede_dev *edev = netdev_priv(ndev); | |
b18e170c | 2245 | int rc; |
2950219d YM |
2246 | |
2247 | netif_carrier_off(ndev); | |
2248 | ||
2249 | edev->ops->common->set_power_state(edev->cdev, PCI_D0); | |
2250 | ||
567b3c12 | 2251 | rc = qede_load(edev, QEDE_LOAD_NORMAL, false); |
b18e170c MC |
2252 | if (rc) |
2253 | return rc; | |
2254 | ||
f9f082a9 AD |
2255 | udp_tunnel_get_rx_info(ndev); |
2256 | ||
0fefbfba SK |
2257 | edev->ops->common->update_drv_state(edev->cdev, true); |
2258 | ||
b18e170c | 2259 | return 0; |
2950219d YM |
2260 | } |
2261 | ||
2262 | static int qede_close(struct net_device *ndev) | |
2263 | { | |
2264 | struct qede_dev *edev = netdev_priv(ndev); | |
2265 | ||
567b3c12 | 2266 | qede_unload(edev, QEDE_UNLOAD_NORMAL, false); |
2950219d | 2267 | |
0fefbfba SK |
2268 | edev->ops->common->update_drv_state(edev->cdev, false); |
2269 | ||
2950219d YM |
2270 | return 0; |
2271 | } | |
0d8e0aa0 | 2272 | |
a2ec6172 SK |
2273 | static void qede_link_update(void *dev, struct qed_link_output *link) |
2274 | { | |
2275 | struct qede_dev *edev = dev; | |
2276 | ||
f04e48db SRK |
2277 | if (!test_bit(QEDE_FLAGS_LINK_REQUESTED, &edev->flags)) { |
2278 | DP_VERBOSE(edev, NETIF_MSG_LINK, "Interface is not ready\n"); | |
a2ec6172 SK |
2279 | return; |
2280 | } | |
2281 | ||
2282 | if (link->link_up) { | |
8e025ae2 YM |
2283 | if (!netif_carrier_ok(edev->ndev)) { |
2284 | DP_NOTICE(edev, "Link is up\n"); | |
2285 | netif_tx_start_all_queues(edev->ndev); | |
2286 | netif_carrier_on(edev->ndev); | |
4609adc2 | 2287 | qede_rdma_dev_event_open(edev); |
8e025ae2 | 2288 | } |
a2ec6172 | 2289 | } else { |
8e025ae2 YM |
2290 | if (netif_carrier_ok(edev->ndev)) { |
2291 | DP_NOTICE(edev, "Link is down\n"); | |
2292 | netif_tx_disable(edev->ndev); | |
2293 | netif_carrier_off(edev->ndev); | |
4609adc2 | 2294 | qede_rdma_dev_event_close(edev); |
8e025ae2 | 2295 | } |
a2ec6172 SK |
2296 | } |
2297 | } | |
d25b859c SRK |
2298 | |
2299 | static bool qede_is_txq_full(struct qede_dev *edev, struct qede_tx_queue *txq) | |
2300 | { | |
2301 | struct netdev_queue *netdev_txq; | |
2302 | ||
5e7baf0f | 2303 | netdev_txq = netdev_get_tx_queue(edev->ndev, txq->ndev_txq_id); |
d25b859c SRK |
2304 | if (netif_xmit_stopped(netdev_txq)) |
2305 | return true; | |
2306 | ||
2307 | return false; | |
2308 | } | |
2309 | ||
2310 | static void qede_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data) | |
2311 | { | |
2312 | struct qede_dev *edev = dev; | |
2313 | struct netdev_hw_addr *ha; | |
2314 | int i; | |
2315 | ||
2316 | if (edev->ndev->features & NETIF_F_IP_CSUM) | |
2317 | data->feat_flags |= QED_TLV_IP_CSUM; | |
2318 | if (edev->ndev->features & NETIF_F_TSO) | |
2319 | data->feat_flags |= QED_TLV_LSO; | |
2320 | ||
2321 | ether_addr_copy(data->mac[0], edev->ndev->dev_addr); | |
2322 | memset(data->mac[1], 0, ETH_ALEN); | |
2323 | memset(data->mac[2], 0, ETH_ALEN); | |
2324 | /* Copy the first two UC macs */ | |
2325 | netif_addr_lock_bh(edev->ndev); | |
2326 | i = 1; | |
2327 | netdev_for_each_uc_addr(ha, edev->ndev) { | |
2328 | ether_addr_copy(data->mac[i++], ha->addr); | |
2329 | if (i == QED_TLV_MAC_COUNT) | |
2330 | break; | |
2331 | } | |
2332 | ||
2333 | netif_addr_unlock_bh(edev->ndev); | |
2334 | } | |
2335 | ||
2336 | static void qede_get_eth_tlv_data(void *dev, void *data) | |
2337 | { | |
2338 | struct qed_mfw_tlv_eth *etlv = data; | |
2339 | struct qede_dev *edev = dev; | |
2340 | struct qede_fastpath *fp; | |
2341 | int i; | |
2342 | ||
2343 | etlv->lso_maxoff_size = 0XFFFF; | |
2344 | etlv->lso_maxoff_size_set = true; | |
2345 | etlv->lso_minseg_size = (u16)ETH_TX_LSO_WINDOW_MIN_LEN; | |
2346 | etlv->lso_minseg_size_set = true; | |
2347 | etlv->prom_mode = !!(edev->ndev->flags & IFF_PROMISC); | |
2348 | etlv->prom_mode_set = true; | |
2349 | etlv->tx_descr_size = QEDE_TSS_COUNT(edev); | |
2350 | etlv->tx_descr_size_set = true; | |
2351 | etlv->rx_descr_size = QEDE_RSS_COUNT(edev); | |
2352 | etlv->rx_descr_size_set = true; | |
2353 | etlv->iov_offload = QED_MFW_TLV_IOV_OFFLOAD_VEB; | |
2354 | etlv->iov_offload_set = true; | |
2355 | ||
2356 | /* Fill information regarding queues; Should be done under the qede | |
2357 | * lock to guarantee those don't change beneath our feet. | |
2358 | */ | |
2359 | etlv->txqs_empty = true; | |
2360 | etlv->rxqs_empty = true; | |
2361 | etlv->num_txqs_full = 0; | |
2362 | etlv->num_rxqs_full = 0; | |
2363 | ||
2364 | __qede_lock(edev); | |
2365 | for_each_queue(i) { | |
2366 | fp = &edev->fp_array[i]; | |
2367 | if (fp->type & QEDE_FASTPATH_TX) { | |
5e7baf0f MC |
2368 | struct qede_tx_queue *txq = QEDE_FP_TC0_TXQ(fp); |
2369 | ||
2370 | if (txq->sw_tx_cons != txq->sw_tx_prod) | |
d25b859c | 2371 | etlv->txqs_empty = false; |
5e7baf0f | 2372 | if (qede_is_txq_full(edev, txq)) |
d25b859c SRK |
2373 | etlv->num_txqs_full++; |
2374 | } | |
2375 | if (fp->type & QEDE_FASTPATH_RX) { | |
2376 | if (qede_has_rx_work(fp->rxq)) | |
2377 | etlv->rxqs_empty = false; | |
2378 | ||
2379 | /* This one is a bit tricky; Firmware might stop | |
2380 | * placing packets if ring is not yet full. | |
2381 | * Give an approximation. | |
2382 | */ | |
2383 | if (le16_to_cpu(*fp->rxq->hw_cons_ptr) - | |
2384 | qed_chain_get_cons_idx(&fp->rxq->rx_comp_ring) > | |
2385 | RX_RING_SIZE - 100) | |
2386 | etlv->num_rxqs_full++; | |
2387 | } | |
2388 | } | |
2389 | __qede_unlock(edev); | |
2390 | ||
2391 | etlv->txqs_empty_set = true; | |
2392 | etlv->rxqs_empty_set = true; | |
2393 | etlv->num_txqs_full_set = true; | |
2394 | etlv->num_rxqs_full_set = true; | |
2395 | } |