1 | /* |
2 | * AMD 10Gb Ethernet driver |
3 | * |
4 | * This file is available to you under your choice of the following two |
5 | * licenses: |
6 | * |
7 | * License 1: GPLv2 |
8 | * |
9 | * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. |
10 | * |
11 | * This file is free software; you may copy, redistribute and/or modify |
12 | * it under the terms of the GNU General Public License as published by |
13 | * the Free Software Foundation, either version 2 of the License, or (at |
14 | * your option) any later version. |
15 | * |
16 | * This file is distributed in the hope that it will be useful, but |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
19 | * General Public License for more details. |
20 | * |
21 | * You should have received a copy of the GNU General Public License |
22 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
23 | * |
24 | * This file incorporates work covered by the following copyright and |
25 | * permission notice: |
26 | * The Synopsys DWC ETHER XGMAC Software Driver and documentation |
27 | * (hereinafter "Software") is an unsupported proprietary work of Synopsys, |
28 | * Inc. unless otherwise expressly agreed to in writing between Synopsys |
29 | * and you. |
30 | * |
31 | * The Software IS NOT an item of Licensed Software or Licensed Product |
32 | * under any End User Software License Agreement or Agreement for Licensed |
33 | * Product with Synopsys or any supplement thereto. Permission is hereby |
34 | * granted, free of charge, to any person obtaining a copy of this software |
35 | * annotated with this license and the Software, to deal in the Software |
36 | * without restriction, including without limitation the rights to use, |
37 | * copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
38 | * of the Software, and to permit persons to whom the Software is furnished |
39 | * to do so, subject to the following conditions: |
40 | * |
41 | * The above copyright notice and this permission notice shall be included |
42 | * in all copies or substantial portions of the Software. |
43 | * |
44 | * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" |
45 | * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
46 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
47 | * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS |
48 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
49 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
50 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
51 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
52 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
53 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
54 | * THE POSSIBILITY OF SUCH DAMAGE. |
55 | * |
56 | * |
57 | * License 2: Modified BSD |
58 | * |
59 | * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. |
60 | * All rights reserved. |
61 | * |
62 | * Redistribution and use in source and binary forms, with or without |
63 | * modification, are permitted provided that the following conditions are met: |
64 | * * Redistributions of source code must retain the above copyright |
65 | * notice, this list of conditions and the following disclaimer. |
66 | * * Redistributions in binary form must reproduce the above copyright |
67 | * notice, this list of conditions and the following disclaimer in the |
68 | * documentation and/or other materials provided with the distribution. |
69 | * * Neither the name of Advanced Micro Devices, Inc. nor the |
70 | * names of its contributors may be used to endorse or promote products |
71 | * derived from this software without specific prior written permission. |
72 | * |
73 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
74 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
75 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
76 | * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY |
77 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
78 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
79 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
80 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
81 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
82 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
83 | * |
84 | * This file incorporates work covered by the following copyright and |
85 | * permission notice: |
86 | * The Synopsys DWC ETHER XGMAC Software Driver and documentation |
87 | * (hereinafter "Software") is an unsupported proprietary work of Synopsys, |
88 | * Inc. unless otherwise expressly agreed to in writing between Synopsys |
89 | * and you. |
90 | * |
91 | * The Software IS NOT an item of Licensed Software or Licensed Product |
92 | * under any End User Software License Agreement or Agreement for Licensed |
93 | * Product with Synopsys or any supplement thereto. Permission is hereby |
94 | * granted, free of charge, to any person obtaining a copy of this software |
95 | * annotated with this license and the Software, to deal in the Software |
96 | * without restriction, including without limitation the rights to use, |
97 | * copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
98 | * of the Software, and to permit persons to whom the Software is furnished |
99 | * to do so, subject to the following conditions: |
100 | * |
101 | * The above copyright notice and this permission notice shall be included |
102 | * in all copies or substantial portions of the Software. |
103 | * |
104 | * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" |
105 | * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
106 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
107 | * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS |
108 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
109 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
110 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
111 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
112 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
113 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
114 | * THE POSSIBILITY OF SUCH DAMAGE. |
115 | */ |
116 | |
117 | #include <linux/module.h> |
118 | #include <linux/device.h> |
119 | #include <linux/spinlock.h> |
120 | #include <linux/netdevice.h> |
121 | #include <linux/etherdevice.h> |
122 | #include <linux/io.h> |
123 | #include <linux/notifier.h> |
124 | |
125 | #include "xgbe.h" |
126 | #include "xgbe-common.h" |
127 | |
128 | MODULE_AUTHOR("Tom Lendacky <thomas.lendacky@amd.com>" ); |
129 | MODULE_LICENSE("Dual BSD/GPL" ); |
130 | MODULE_DESCRIPTION(XGBE_DRV_DESC); |
131 | |
132 | static int debug = -1; |
133 | module_param(debug, int, 0644); |
134 | MODULE_PARM_DESC(debug, " Network interface message level setting" ); |
135 | |
136 | static const u32 default_msg_level = (NETIF_MSG_LINK | NETIF_MSG_IFDOWN | |
137 | NETIF_MSG_IFUP); |
138 | |
139 | static void xgbe_default_config(struct xgbe_prv_data *pdata) |
140 | { |
141 | DBGPR("-->xgbe_default_config\n" ); |
142 | |
143 | pdata->blen = DMA_SBMR_BLEN_64; |
144 | pdata->pbl = DMA_PBL_128; |
145 | pdata->aal = 1; |
146 | pdata->rd_osr_limit = 8; |
147 | pdata->wr_osr_limit = 8; |
148 | pdata->tx_sf_mode = MTL_TSF_ENABLE; |
149 | pdata->tx_threshold = MTL_TX_THRESHOLD_64; |
150 | pdata->tx_osp_mode = DMA_OSP_ENABLE; |
151 | pdata->rx_sf_mode = MTL_RSF_DISABLE; |
152 | pdata->rx_threshold = MTL_RX_THRESHOLD_64; |
153 | pdata->pause_autoneg = 1; |
154 | pdata->tx_pause = 1; |
155 | pdata->rx_pause = 1; |
156 | pdata->phy_speed = SPEED_UNKNOWN; |
157 | pdata->power_down = 0; |
158 | |
159 | DBGPR("<--xgbe_default_config\n" ); |
160 | } |
161 | |
162 | static void xgbe_init_all_fptrs(struct xgbe_prv_data *pdata) |
163 | { |
164 | xgbe_init_function_ptrs_dev(&pdata->hw_if); |
165 | xgbe_init_function_ptrs_phy(&pdata->phy_if); |
166 | xgbe_init_function_ptrs_i2c(&pdata->i2c_if); |
167 | xgbe_init_function_ptrs_desc(&pdata->desc_if); |
168 | |
169 | pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if); |
170 | } |
171 | |
172 | struct xgbe_prv_data *xgbe_alloc_pdata(struct device *dev) |
173 | { |
174 | struct xgbe_prv_data *pdata; |
175 | struct net_device *netdev; |
176 | |
177 | netdev = alloc_etherdev_mq(sizeof(struct xgbe_prv_data), |
178 | XGBE_MAX_DMA_CHANNELS); |
179 | if (!netdev) { |
180 | dev_err(dev, "alloc_etherdev_mq failed\n" ); |
181 | return ERR_PTR(error: -ENOMEM); |
182 | } |
183 | SET_NETDEV_DEV(netdev, dev); |
184 | pdata = netdev_priv(dev: netdev); |
185 | pdata->netdev = netdev; |
186 | pdata->dev = dev; |
187 | |
188 | spin_lock_init(&pdata->lock); |
189 | spin_lock_init(&pdata->xpcs_lock); |
190 | mutex_init(&pdata->rss_mutex); |
191 | spin_lock_init(&pdata->tstamp_lock); |
192 | mutex_init(&pdata->i2c_mutex); |
193 | init_completion(x: &pdata->i2c_complete); |
194 | init_completion(x: &pdata->mdio_complete); |
195 | |
196 | pdata->msg_enable = netif_msg_init(debug_value: debug, default_msg_enable_bits: default_msg_level); |
197 | |
198 | set_bit(nr: XGBE_DOWN, addr: &pdata->dev_state); |
199 | set_bit(nr: XGBE_STOPPED, addr: &pdata->dev_state); |
200 | |
201 | return pdata; |
202 | } |
203 | |
204 | void xgbe_free_pdata(struct xgbe_prv_data *pdata) |
205 | { |
206 | struct net_device *netdev = pdata->netdev; |
207 | |
208 | free_netdev(dev: netdev); |
209 | } |
210 | |
211 | void xgbe_set_counts(struct xgbe_prv_data *pdata) |
212 | { |
213 | /* Set all the function pointers */ |
214 | xgbe_init_all_fptrs(pdata); |
215 | |
216 | /* Populate the hardware features */ |
217 | xgbe_get_all_hw_features(pdata); |
218 | |
219 | /* Set default max values if not provided */ |
220 | if (!pdata->tx_max_channel_count) |
221 | pdata->tx_max_channel_count = pdata->hw_feat.tx_ch_cnt; |
222 | if (!pdata->rx_max_channel_count) |
223 | pdata->rx_max_channel_count = pdata->hw_feat.rx_ch_cnt; |
224 | |
225 | if (!pdata->tx_max_q_count) |
226 | pdata->tx_max_q_count = pdata->hw_feat.tx_q_cnt; |
227 | if (!pdata->rx_max_q_count) |
228 | pdata->rx_max_q_count = pdata->hw_feat.rx_q_cnt; |
229 | |
230 | /* Calculate the number of Tx and Rx rings to be created |
231 | * -Tx (DMA) Channels map 1-to-1 to Tx Queues so set |
232 | * the number of Tx queues to the number of Tx channels |
233 | * enabled |
234 | * -Rx (DMA) Channels do not map 1-to-1 so use the actual |
235 | * number of Rx queues or maximum allowed |
236 | */ |
237 | pdata->tx_ring_count = min_t(unsigned int, num_online_cpus(), |
238 | pdata->hw_feat.tx_ch_cnt); |
239 | pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count, |
240 | pdata->tx_max_channel_count); |
241 | pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count, |
242 | pdata->tx_max_q_count); |
243 | |
244 | pdata->tx_q_count = pdata->tx_ring_count; |
245 | |
246 | pdata->rx_ring_count = min_t(unsigned int, num_online_cpus(), |
247 | pdata->hw_feat.rx_ch_cnt); |
248 | pdata->rx_ring_count = min_t(unsigned int, pdata->rx_ring_count, |
249 | pdata->rx_max_channel_count); |
250 | |
251 | pdata->rx_q_count = min_t(unsigned int, pdata->hw_feat.rx_q_cnt, |
252 | pdata->rx_max_q_count); |
253 | |
254 | if (netif_msg_probe(pdata)) { |
255 | dev_dbg(pdata->dev, "TX/RX DMA channel count = %u/%u\n" , |
256 | pdata->tx_ring_count, pdata->rx_ring_count); |
257 | dev_dbg(pdata->dev, "TX/RX hardware queue count = %u/%u\n" , |
258 | pdata->tx_q_count, pdata->rx_q_count); |
259 | } |
260 | } |
261 | |
262 | int xgbe_config_netdev(struct xgbe_prv_data *pdata) |
263 | { |
264 | struct net_device *netdev = pdata->netdev; |
265 | struct device *dev = pdata->dev; |
266 | int ret; |
267 | |
268 | netdev->irq = pdata->dev_irq; |
269 | netdev->base_addr = (unsigned long)pdata->xgmac_regs; |
270 | eth_hw_addr_set(dev: netdev, addr: pdata->mac_addr); |
271 | |
272 | /* Initialize ECC timestamps */ |
273 | pdata->tx_sec_period = jiffies; |
274 | pdata->tx_ded_period = jiffies; |
275 | pdata->rx_sec_period = jiffies; |
276 | pdata->rx_ded_period = jiffies; |
277 | pdata->desc_sec_period = jiffies; |
278 | pdata->desc_ded_period = jiffies; |
279 | |
280 | /* Issue software reset to device */ |
281 | ret = pdata->hw_if.exit(pdata); |
282 | if (ret) { |
283 | dev_err(dev, "software reset failed\n" ); |
284 | return ret; |
285 | } |
286 | |
287 | /* Set default configuration data */ |
288 | xgbe_default_config(pdata); |
289 | |
290 | /* Set the DMA mask */ |
291 | ret = dma_set_mask_and_coherent(dev, |
292 | DMA_BIT_MASK(pdata->hw_feat.dma_width)); |
293 | if (ret) { |
294 | dev_err(dev, "dma_set_mask_and_coherent failed\n" ); |
295 | return ret; |
296 | } |
297 | |
298 | /* Set default max values if not provided */ |
299 | if (!pdata->tx_max_fifo_size) |
300 | pdata->tx_max_fifo_size = pdata->hw_feat.tx_fifo_size; |
301 | if (!pdata->rx_max_fifo_size) |
302 | pdata->rx_max_fifo_size = pdata->hw_feat.rx_fifo_size; |
303 | |
304 | /* Set and validate the number of descriptors for a ring */ |
305 | BUILD_BUG_ON_NOT_POWER_OF_2(XGBE_TX_DESC_CNT); |
306 | pdata->tx_desc_count = XGBE_TX_DESC_CNT; |
307 | |
308 | BUILD_BUG_ON_NOT_POWER_OF_2(XGBE_RX_DESC_CNT); |
309 | pdata->rx_desc_count = XGBE_RX_DESC_CNT; |
310 | |
311 | /* Adjust the number of queues based on interrupts assigned */ |
312 | if (pdata->channel_irq_count) { |
313 | pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count, |
314 | pdata->channel_irq_count); |
315 | pdata->rx_ring_count = min_t(unsigned int, pdata->rx_ring_count, |
316 | pdata->channel_irq_count); |
317 | |
318 | if (netif_msg_probe(pdata)) |
319 | dev_dbg(pdata->dev, |
320 | "adjusted TX/RX DMA channel count = %u/%u\n" , |
321 | pdata->tx_ring_count, pdata->rx_ring_count); |
322 | } |
323 | |
324 | /* Initialize RSS hash key */ |
325 | netdev_rss_key_fill(buffer: pdata->rss_key, len: sizeof(pdata->rss_key)); |
326 | |
327 | XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, IP2TE, 1); |
328 | XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, TCP4TE, 1); |
329 | XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1); |
330 | |
331 | /* Call MDIO/PHY initialization routine */ |
332 | pdata->debugfs_an_cdr_workaround = pdata->vdata->an_cdr_workaround; |
333 | ret = pdata->phy_if.phy_init(pdata); |
334 | if (ret) |
335 | return ret; |
336 | |
337 | /* Set device operations */ |
338 | netdev->netdev_ops = xgbe_get_netdev_ops(); |
339 | netdev->ethtool_ops = xgbe_get_ethtool_ops(); |
340 | #ifdef CONFIG_AMD_XGBE_DCB |
341 | netdev->dcbnl_ops = xgbe_get_dcbnl_ops(); |
342 | #endif |
343 | |
344 | /* Set device features */ |
345 | netdev->hw_features = NETIF_F_SG | |
346 | NETIF_F_IP_CSUM | |
347 | NETIF_F_IPV6_CSUM | |
348 | NETIF_F_RXCSUM | |
349 | NETIF_F_TSO | |
350 | NETIF_F_TSO6 | |
351 | NETIF_F_GRO | |
352 | NETIF_F_HW_VLAN_CTAG_RX | |
353 | NETIF_F_HW_VLAN_CTAG_TX | |
354 | NETIF_F_HW_VLAN_CTAG_FILTER; |
355 | |
356 | if (pdata->hw_feat.rss) |
357 | netdev->hw_features |= NETIF_F_RXHASH; |
358 | |
359 | if (pdata->hw_feat.vxn) { |
360 | netdev->hw_enc_features = NETIF_F_SG | |
361 | NETIF_F_IP_CSUM | |
362 | NETIF_F_IPV6_CSUM | |
363 | NETIF_F_RXCSUM | |
364 | NETIF_F_TSO | |
365 | NETIF_F_TSO6 | |
366 | NETIF_F_GRO | |
367 | NETIF_F_GSO_UDP_TUNNEL | |
368 | NETIF_F_GSO_UDP_TUNNEL_CSUM; |
369 | |
370 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | |
371 | NETIF_F_GSO_UDP_TUNNEL_CSUM; |
372 | |
373 | netdev->udp_tunnel_nic_info = xgbe_get_udp_tunnel_info(); |
374 | } |
375 | |
376 | netdev->vlan_features |= NETIF_F_SG | |
377 | NETIF_F_IP_CSUM | |
378 | NETIF_F_IPV6_CSUM | |
379 | NETIF_F_TSO | |
380 | NETIF_F_TSO6; |
381 | |
382 | netdev->features |= netdev->hw_features; |
383 | pdata->netdev_features = netdev->features; |
384 | |
385 | netdev->priv_flags |= IFF_UNICAST_FLT; |
386 | netdev->min_mtu = 0; |
387 | netdev->max_mtu = XGMAC_JUMBO_PACKET_MTU; |
388 | |
389 | /* Use default watchdog timeout */ |
390 | netdev->watchdog_timeo = 0; |
391 | |
392 | xgbe_init_rx_coalesce(pdata); |
393 | xgbe_init_tx_coalesce(pdata); |
394 | |
395 | netif_carrier_off(dev: netdev); |
396 | ret = register_netdev(dev: netdev); |
397 | if (ret) { |
398 | dev_err(dev, "net device registration failed\n" ); |
399 | return ret; |
400 | } |
401 | |
402 | if (IS_REACHABLE(CONFIG_PTP_1588_CLOCK)) |
403 | xgbe_ptp_register(pdata); |
404 | |
405 | xgbe_debugfs_init(pdata); |
406 | |
407 | netif_dbg(pdata, drv, pdata->netdev, "%u Tx software queues\n" , |
408 | pdata->tx_ring_count); |
409 | netif_dbg(pdata, drv, pdata->netdev, "%u Rx software queues\n" , |
410 | pdata->rx_ring_count); |
411 | |
412 | return 0; |
413 | } |
414 | |
415 | void xgbe_deconfig_netdev(struct xgbe_prv_data *pdata) |
416 | { |
417 | struct net_device *netdev = pdata->netdev; |
418 | |
419 | xgbe_debugfs_exit(pdata); |
420 | |
421 | if (IS_REACHABLE(CONFIG_PTP_1588_CLOCK)) |
422 | xgbe_ptp_unregister(pdata); |
423 | |
424 | unregister_netdev(dev: netdev); |
425 | |
426 | pdata->phy_if.phy_exit(pdata); |
427 | } |
428 | |
429 | static int xgbe_netdev_event(struct notifier_block *nb, unsigned long event, |
430 | void *data) |
431 | { |
432 | struct net_device *netdev = netdev_notifier_info_to_dev(info: data); |
433 | struct xgbe_prv_data *pdata = netdev_priv(dev: netdev); |
434 | |
435 | if (netdev->netdev_ops != xgbe_get_netdev_ops()) |
436 | goto out; |
437 | |
438 | switch (event) { |
439 | case NETDEV_CHANGENAME: |
440 | xgbe_debugfs_rename(pdata); |
441 | break; |
442 | |
443 | default: |
444 | break; |
445 | } |
446 | |
447 | out: |
448 | return NOTIFY_DONE; |
449 | } |
450 | |
451 | static struct notifier_block xgbe_netdev_notifier = { |
452 | .notifier_call = xgbe_netdev_event, |
453 | }; |
454 | |
455 | static int __init xgbe_mod_init(void) |
456 | { |
457 | int ret; |
458 | |
459 | ret = register_netdevice_notifier(nb: &xgbe_netdev_notifier); |
460 | if (ret) |
461 | return ret; |
462 | |
463 | ret = xgbe_platform_init(); |
464 | if (ret) |
465 | goto err_platform_init; |
466 | |
467 | ret = xgbe_pci_init(); |
468 | if (ret) |
469 | goto err_pci_init; |
470 | |
471 | return 0; |
472 | |
473 | err_pci_init: |
474 | xgbe_platform_exit(); |
475 | err_platform_init: |
476 | unregister_netdevice_notifier(nb: &xgbe_netdev_notifier); |
477 | return ret; |
478 | } |
479 | |
480 | static void __exit xgbe_mod_exit(void) |
481 | { |
482 | xgbe_pci_exit(); |
483 | |
484 | xgbe_platform_exit(); |
485 | |
486 | unregister_netdevice_notifier(nb: &xgbe_netdev_notifier); |
487 | } |
488 | |
489 | module_init(xgbe_mod_init); |
490 | module_exit(xgbe_mod_exit); |
491 | |