xref: /freebsd-12.1/sys/dev/bnxt/if_bnxt.c (revision bf8a86cd)
1 /*-
2  * Broadcom NetXtreme-C/E network driver.
3  *
4  * Copyright (c) 2016 Broadcom, All Rights Reserved.
5  * The term Broadcom refers to Broadcom Limited and/or its subsidiaries
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26  * THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/socket.h>
34 #include <sys/kernel.h>
35 #include <sys/bus.h>
36 #include <sys/module.h>
37 #include <sys/rman.h>
38 #include <sys/endian.h>
39 #include <sys/sockio.h>
40 #include <sys/priv.h>
41 
42 #include <machine/bus.h>
43 #include <machine/resource.h>
44 
45 #include <dev/pci/pcireg.h>
46 #include <dev/pci/pcivar.h>
47 
48 #include <net/if.h>
49 #include <net/if_media.h>
50 #include <net/if_var.h>
51 #include <net/ethernet.h>
52 #include <net/iflib.h>
53 
54 #include "opt_inet.h"
55 #include "opt_inet6.h"
56 #include "opt_rss.h"
57 
58 #include "ifdi_if.h"
59 
60 #include "bnxt.h"
61 #include "bnxt_hwrm.h"
62 #include "bnxt_ioctl.h"
63 #include "bnxt_sysctl.h"
64 #include "hsi_struct_def.h"
65 
66 /*
67  * PCI Device ID Table
68  */
69 
70 static pci_vendor_info_t bnxt_vendor_info_array[] =
71 {
72     PVID(BROADCOM_VENDOR_ID, BCM57301,
73 	"Broadcom BCM57301 NetXtreme-C 10Gb Ethernet Controller"),
74     PVID(BROADCOM_VENDOR_ID, BCM57302,
75 	"Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet Controller"),
76     PVID(BROADCOM_VENDOR_ID, BCM57304,
77 	"Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet Controller"),
78     PVID(BROADCOM_VENDOR_ID, BCM57311,
79 	"Broadcom BCM57311 NetXtreme-C 10Gb Ethernet"),
80     PVID(BROADCOM_VENDOR_ID, BCM57312,
81 	"Broadcom BCM57312 NetXtreme-C 10Gb/25Gb Ethernet"),
82     PVID(BROADCOM_VENDOR_ID, BCM57314,
83 	"Broadcom BCM57314 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet"),
84     PVID(BROADCOM_VENDOR_ID, BCM57402,
85 	"Broadcom BCM57402 NetXtreme-E 10Gb Ethernet Controller"),
86     PVID(BROADCOM_VENDOR_ID, BCM57402_NPAR,
87 	"Broadcom BCM57402 NetXtreme-E Partition"),
88     PVID(BROADCOM_VENDOR_ID, BCM57404,
89 	"Broadcom BCM57404 NetXtreme-E 10Gb/25Gb Ethernet Controller"),
90     PVID(BROADCOM_VENDOR_ID, BCM57404_NPAR,
91 	"Broadcom BCM57404 NetXtreme-E Partition"),
92     PVID(BROADCOM_VENDOR_ID, BCM57406,
93 	"Broadcom BCM57406 NetXtreme-E 10GBase-T Ethernet Controller"),
94     PVID(BROADCOM_VENDOR_ID, BCM57406_NPAR,
95 	"Broadcom BCM57406 NetXtreme-E Partition"),
96     PVID(BROADCOM_VENDOR_ID, BCM57407,
97 	"Broadcom BCM57407 NetXtreme-E 10GBase-T Ethernet Controller"),
98     PVID(BROADCOM_VENDOR_ID, BCM57407_NPAR,
99 	"Broadcom BCM57407 NetXtreme-E Ethernet Partition"),
100     PVID(BROADCOM_VENDOR_ID, BCM57407_SFP,
101 	"Broadcom BCM57407 NetXtreme-E 25Gb Ethernet Controller"),
102     PVID(BROADCOM_VENDOR_ID, BCM57412,
103 	"Broadcom BCM57412 NetXtreme-E 10Gb Ethernet"),
104     PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR1,
105 	"Broadcom BCM57412 NetXtreme-E Ethernet Partition"),
106     PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR2,
107 	"Broadcom BCM57412 NetXtreme-E Ethernet Partition"),
108     PVID(BROADCOM_VENDOR_ID, BCM57414,
109 	"Broadcom BCM57414 NetXtreme-E 10Gb/25Gb Ethernet"),
110     PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR1,
111 	"Broadcom BCM57414 NetXtreme-E Ethernet Partition"),
112     PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR2,
113 	"Broadcom BCM57414 NetXtreme-E Ethernet Partition"),
114     PVID(BROADCOM_VENDOR_ID, BCM57416,
115 	"Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet"),
116     PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR1,
117 	"Broadcom BCM57416 NetXtreme-E Ethernet Partition"),
118     PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR2,
119 	"Broadcom BCM57416 NetXtreme-E Ethernet Partition"),
120     PVID(BROADCOM_VENDOR_ID, BCM57416_SFP,
121 	"Broadcom BCM57416 NetXtreme-E 10Gb Ethernet"),
122     PVID(BROADCOM_VENDOR_ID, BCM57417,
123 	"Broadcom BCM57417 NetXtreme-E 10GBase-T Ethernet"),
124     PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR1,
125 	"Broadcom BCM57417 NetXtreme-E Ethernet Partition"),
126     PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR2,
127 	"Broadcom BCM57417 NetXtreme-E Ethernet Partition"),
128     PVID(BROADCOM_VENDOR_ID, BCM57417_SFP,
129 	"Broadcom BCM57417 NetXtreme-E 10Gb/25Gb Ethernet"),
130     PVID(BROADCOM_VENDOR_ID, BCM57454,
131 	"Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet"),
132     PVID(BROADCOM_VENDOR_ID, BCM58700,
133 	"Broadcom BCM58700 Nitro 1Gb/2.5Gb/10Gb Ethernet"),
134     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF1,
135 	"Broadcom NetXtreme-C Ethernet Virtual Function"),
136     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF2,
137 	"Broadcom NetXtreme-C Ethernet Virtual Function"),
138     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF3,
139 	"Broadcom NetXtreme-C Ethernet Virtual Function"),
140     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF1,
141 	"Broadcom NetXtreme-E Ethernet Virtual Function"),
142     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF2,
143 	"Broadcom NetXtreme-E Ethernet Virtual Function"),
144     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF3,
145 	"Broadcom NetXtreme-E Ethernet Virtual Function"),
146     /* required last entry */
147 
148     PVID_END
149 };
150 
151 /*
152  * Function prototypes
153  */
154 
155 static void *bnxt_register(device_t dev);
156 
157 /* Soft queue setup and teardown */
158 static int bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
159     uint64_t *paddrs, int ntxqs, int ntxqsets);
160 static int bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
161     uint64_t *paddrs, int nrxqs, int nrxqsets);
162 static void bnxt_queues_free(if_ctx_t ctx);
163 
164 /* Device setup and teardown */
165 static int bnxt_attach_pre(if_ctx_t ctx);
166 static int bnxt_attach_post(if_ctx_t ctx);
167 static int bnxt_detach(if_ctx_t ctx);
168 
169 /* Device configuration */
170 static void bnxt_init(if_ctx_t ctx);
171 static void bnxt_stop(if_ctx_t ctx);
172 static void bnxt_multi_set(if_ctx_t ctx);
173 static int bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu);
174 static void bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr);
175 static int bnxt_media_change(if_ctx_t ctx);
176 static int bnxt_promisc_set(if_ctx_t ctx, int flags);
177 static uint64_t	bnxt_get_counter(if_ctx_t, ift_counter);
178 static void bnxt_update_admin_status(if_ctx_t ctx);
179 static void bnxt_if_timer(if_ctx_t ctx, uint16_t qid);
180 
181 /* Interrupt enable / disable */
182 static void bnxt_intr_enable(if_ctx_t ctx);
183 static int bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
184 static int bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
185 static void bnxt_disable_intr(if_ctx_t ctx);
186 static int bnxt_msix_intr_assign(if_ctx_t ctx, int msix);
187 
188 /* vlan support */
189 static void bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag);
190 static void bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag);
191 
192 /* ioctl */
193 static int bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data);
194 
195 static int bnxt_shutdown(if_ctx_t ctx);
196 static int bnxt_suspend(if_ctx_t ctx);
197 static int bnxt_resume(if_ctx_t ctx);
198 
199 /* Internal support functions */
200 static int bnxt_probe_phy(struct bnxt_softc *softc);
201 static void bnxt_add_media_types(struct bnxt_softc *softc);
202 static int bnxt_pci_mapping(struct bnxt_softc *softc);
203 static void bnxt_pci_mapping_free(struct bnxt_softc *softc);
204 static int bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state);
205 static int bnxt_handle_def_cp(void *arg);
206 static int bnxt_handle_rx_cp(void *arg);
207 static void bnxt_clear_ids(struct bnxt_softc *softc);
208 static void inline bnxt_do_enable_intr(struct bnxt_cp_ring *cpr);
209 static void inline bnxt_do_disable_intr(struct bnxt_cp_ring *cpr);
210 static void bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr);
211 static void bnxt_def_cp_task(void *context);
212 static void bnxt_handle_async_event(struct bnxt_softc *softc,
213     struct cmpl_base *cmpl);
214 static uint8_t get_phy_type(struct bnxt_softc *softc);
215 static uint64_t bnxt_get_baudrate(struct bnxt_link_info *link);
216 static void bnxt_get_wol_settings(struct bnxt_softc *softc);
217 static int bnxt_wol_config(if_ctx_t ctx);
218 
219 /*
220  * Device Interface Declaration
221  */
222 
223 static device_method_t bnxt_methods[] = {
224 	/* Device interface */
225 	DEVMETHOD(device_register, bnxt_register),
226 	DEVMETHOD(device_probe, iflib_device_probe),
227 	DEVMETHOD(device_attach, iflib_device_attach),
228 	DEVMETHOD(device_detach, iflib_device_detach),
229 	DEVMETHOD(device_shutdown, iflib_device_shutdown),
230 	DEVMETHOD(device_suspend, iflib_device_suspend),
231 	DEVMETHOD(device_resume, iflib_device_resume),
232 	DEVMETHOD_END
233 };
234 
235 static driver_t bnxt_driver = {
236 	"bnxt", bnxt_methods, sizeof(struct bnxt_softc),
237 };
238 
239 devclass_t bnxt_devclass;
240 DRIVER_MODULE(bnxt, pci, bnxt_driver, bnxt_devclass, 0, 0);
241 
242 MODULE_DEPEND(bnxt, pci, 1, 1, 1);
243 MODULE_DEPEND(bnxt, ether, 1, 1, 1);
244 MODULE_DEPEND(bnxt, iflib, 1, 1, 1);
245 
246 IFLIB_PNP_INFO(pci, bnxt, bnxt_vendor_info_array);
247 
248 static device_method_t bnxt_iflib_methods[] = {
249 	DEVMETHOD(ifdi_tx_queues_alloc, bnxt_tx_queues_alloc),
250 	DEVMETHOD(ifdi_rx_queues_alloc, bnxt_rx_queues_alloc),
251 	DEVMETHOD(ifdi_queues_free, bnxt_queues_free),
252 
253 	DEVMETHOD(ifdi_attach_pre, bnxt_attach_pre),
254 	DEVMETHOD(ifdi_attach_post, bnxt_attach_post),
255 	DEVMETHOD(ifdi_detach, bnxt_detach),
256 
257 	DEVMETHOD(ifdi_init, bnxt_init),
258 	DEVMETHOD(ifdi_stop, bnxt_stop),
259 	DEVMETHOD(ifdi_multi_set, bnxt_multi_set),
260 	DEVMETHOD(ifdi_mtu_set, bnxt_mtu_set),
261 	DEVMETHOD(ifdi_media_status, bnxt_media_status),
262 	DEVMETHOD(ifdi_media_change, bnxt_media_change),
263 	DEVMETHOD(ifdi_promisc_set, bnxt_promisc_set),
264 	DEVMETHOD(ifdi_get_counter, bnxt_get_counter),
265 	DEVMETHOD(ifdi_update_admin_status, bnxt_update_admin_status),
266 	DEVMETHOD(ifdi_timer, bnxt_if_timer),
267 
268 	DEVMETHOD(ifdi_intr_enable, bnxt_intr_enable),
269 	DEVMETHOD(ifdi_tx_queue_intr_enable, bnxt_tx_queue_intr_enable),
270 	DEVMETHOD(ifdi_rx_queue_intr_enable, bnxt_rx_queue_intr_enable),
271 	DEVMETHOD(ifdi_intr_disable, bnxt_disable_intr),
272 	DEVMETHOD(ifdi_msix_intr_assign, bnxt_msix_intr_assign),
273 
274 	DEVMETHOD(ifdi_vlan_register, bnxt_vlan_register),
275 	DEVMETHOD(ifdi_vlan_unregister, bnxt_vlan_unregister),
276 
277 	DEVMETHOD(ifdi_priv_ioctl, bnxt_priv_ioctl),
278 
279 	DEVMETHOD(ifdi_suspend, bnxt_suspend),
280 	DEVMETHOD(ifdi_shutdown, bnxt_shutdown),
281 	DEVMETHOD(ifdi_resume, bnxt_resume),
282 
283 	DEVMETHOD_END
284 };
285 
286 static driver_t bnxt_iflib_driver = {
287 	"bnxt", bnxt_iflib_methods, sizeof(struct bnxt_softc)
288 };
289 
290 /*
291  * iflib shared context
292  */
293 
294 #define BNXT_DRIVER_VERSION	"1.0.0.2"
295 char bnxt_driver_version[] = BNXT_DRIVER_VERSION;
296 extern struct if_txrx bnxt_txrx;
297 static struct if_shared_ctx bnxt_sctx_init = {
298 	.isc_magic = IFLIB_MAGIC,
299 	.isc_driver = &bnxt_iflib_driver,
300 	.isc_nfl = 2,				// Number of Free Lists
301 	.isc_flags = IFLIB_HAS_RXCQ | IFLIB_HAS_TXCQ | IFLIB_NEED_ETHER_PAD,
302 	.isc_q_align = PAGE_SIZE,
303 	.isc_tx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
304 	.isc_tx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
305 	.isc_tso_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
306 	.isc_tso_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
307 	.isc_rx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
308 	.isc_rx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
309 
310 	// Only use a single segment to avoid page size constraints
311 	.isc_rx_nsegments = 1,
312 	.isc_ntxqs = 2,
313 	.isc_nrxqs = 3,
314 	.isc_nrxd_min = {16, 16, 16},
315 	.isc_nrxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 8,
316 	    PAGE_SIZE / sizeof(struct rx_prod_pkt_bd),
317 	    PAGE_SIZE / sizeof(struct rx_prod_pkt_bd)},
318 	.isc_nrxd_max = {INT32_MAX, INT32_MAX, INT32_MAX},
319 	.isc_ntxd_min = {16, 16, 16},
320 	.isc_ntxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 2,
321 	    PAGE_SIZE / sizeof(struct tx_bd_short)},
322 	.isc_ntxd_max = {INT32_MAX, INT32_MAX, INT32_MAX},
323 
324 	.isc_admin_intrcnt = 1,
325 	.isc_vendor_info = bnxt_vendor_info_array,
326 	.isc_driver_version = bnxt_driver_version,
327 };
328 
329 if_shared_ctx_t bnxt_sctx = &bnxt_sctx_init;
330 
331 /*
332  * Device Methods
333  */
334 
335 static void *
336 bnxt_register(device_t dev)
337 {
338 	return bnxt_sctx;
339 }
340 
341 /*
342  * Device Dependent Configuration Functions
343 */
344 
345 /* Soft queue setup and teardown */
346 static int
347 bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
348     uint64_t *paddrs, int ntxqs, int ntxqsets)
349 {
350 	struct bnxt_softc *softc;
351 	int i;
352 	int rc;
353 
354 	softc = iflib_get_softc(ctx);
355 
356 	softc->tx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * ntxqsets,
357 	    M_DEVBUF, M_NOWAIT | M_ZERO);
358 	if (!softc->tx_cp_rings) {
359 		device_printf(iflib_get_dev(ctx),
360 		    "unable to allocate TX completion rings\n");
361 		rc = ENOMEM;
362 		goto cp_alloc_fail;
363 	}
364 	softc->tx_rings = malloc(sizeof(struct bnxt_ring) * ntxqsets,
365 	    M_DEVBUF, M_NOWAIT | M_ZERO);
366 	if (!softc->tx_rings) {
367 		device_printf(iflib_get_dev(ctx),
368 		    "unable to allocate TX rings\n");
369 		rc = ENOMEM;
370 		goto ring_alloc_fail;
371 	}
372 	rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats) * ntxqsets,
373 	    &softc->tx_stats, 0);
374 	if (rc)
375 		goto dma_alloc_fail;
376 	bus_dmamap_sync(softc->tx_stats.idi_tag, softc->tx_stats.idi_map,
377 	    BUS_DMASYNC_PREREAD);
378 
379 	for (i = 0; i < ntxqsets; i++) {
380 		/* Set up the completion ring */
381 		softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
382 		softc->tx_cp_rings[i].ring.phys_id =
383 		    (uint16_t)HWRM_NA_SIGNATURE;
384 		softc->tx_cp_rings[i].ring.softc = softc;
385 		softc->tx_cp_rings[i].ring.id =
386 		    (softc->scctx->isc_nrxqsets * 2) + 1 + i;
387 		softc->tx_cp_rings[i].ring.doorbell =
388 		    softc->tx_cp_rings[i].ring.id * 0x80;
389 		softc->tx_cp_rings[i].ring.ring_size =
390 		    softc->scctx->isc_ntxd[0];
391 		softc->tx_cp_rings[i].ring.vaddr = vaddrs[i * ntxqs];
392 		softc->tx_cp_rings[i].ring.paddr = paddrs[i * ntxqs];
393 
394 		/* Set up the TX ring */
395 		softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
396 		softc->tx_rings[i].softc = softc;
397 		softc->tx_rings[i].id =
398 		    (softc->scctx->isc_nrxqsets * 2) + 1 + i;
399 		softc->tx_rings[i].doorbell = softc->tx_rings[i].id * 0x80;
400 		softc->tx_rings[i].ring_size = softc->scctx->isc_ntxd[1];
401 		softc->tx_rings[i].vaddr = vaddrs[i * ntxqs + 1];
402 		softc->tx_rings[i].paddr = paddrs[i * ntxqs + 1];
403 
404 		bnxt_create_tx_sysctls(softc, i);
405 	}
406 
407 	softc->ntxqsets = ntxqsets;
408 	return rc;
409 
410 dma_alloc_fail:
411 	free(softc->tx_rings, M_DEVBUF);
412 ring_alloc_fail:
413 	free(softc->tx_cp_rings, M_DEVBUF);
414 cp_alloc_fail:
415 	return rc;
416 }
417 
418 static void
419 bnxt_queues_free(if_ctx_t ctx)
420 {
421 	struct bnxt_softc *softc = iflib_get_softc(ctx);
422 
423 	// Free TX queues
424 	iflib_dma_free(&softc->tx_stats);
425 	free(softc->tx_rings, M_DEVBUF);
426 	softc->tx_rings = NULL;
427 	free(softc->tx_cp_rings, M_DEVBUF);
428 	softc->tx_cp_rings = NULL;
429 	softc->ntxqsets = 0;
430 
431 	// Free RX queues
432 	iflib_dma_free(&softc->rx_stats);
433 	iflib_dma_free(&softc->hw_tx_port_stats);
434 	iflib_dma_free(&softc->hw_rx_port_stats);
435 	free(softc->grp_info, M_DEVBUF);
436 	free(softc->ag_rings, M_DEVBUF);
437 	free(softc->rx_rings, M_DEVBUF);
438 	free(softc->rx_cp_rings, M_DEVBUF);
439 }
440 
441 static int
442 bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
443     uint64_t *paddrs, int nrxqs, int nrxqsets)
444 {
445 	struct bnxt_softc *softc;
446 	int i;
447 	int rc;
448 
449 	softc = iflib_get_softc(ctx);
450 
451 	softc->rx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * nrxqsets,
452 	    M_DEVBUF, M_NOWAIT | M_ZERO);
453 	if (!softc->rx_cp_rings) {
454 		device_printf(iflib_get_dev(ctx),
455 		    "unable to allocate RX completion rings\n");
456 		rc = ENOMEM;
457 		goto cp_alloc_fail;
458 	}
459 	softc->rx_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets,
460 	    M_DEVBUF, M_NOWAIT | M_ZERO);
461 	if (!softc->rx_rings) {
462 		device_printf(iflib_get_dev(ctx),
463 		    "unable to allocate RX rings\n");
464 		rc = ENOMEM;
465 		goto ring_alloc_fail;
466 	}
467 	softc->ag_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets,
468 	    M_DEVBUF, M_NOWAIT | M_ZERO);
469 	if (!softc->ag_rings) {
470 		device_printf(iflib_get_dev(ctx),
471 		    "unable to allocate aggregation rings\n");
472 		rc = ENOMEM;
473 		goto ag_alloc_fail;
474 	}
475 	softc->grp_info = malloc(sizeof(struct bnxt_grp_info) * nrxqsets,
476 	    M_DEVBUF, M_NOWAIT | M_ZERO);
477 	if (!softc->grp_info) {
478 		device_printf(iflib_get_dev(ctx),
479 		    "unable to allocate ring groups\n");
480 		rc = ENOMEM;
481 		goto grp_alloc_fail;
482 	}
483 
484 	rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats) * nrxqsets,
485 	    &softc->rx_stats, 0);
486 	if (rc)
487 		goto hw_stats_alloc_fail;
488 	bus_dmamap_sync(softc->rx_stats.idi_tag, softc->rx_stats.idi_map,
489 	    BUS_DMASYNC_PREREAD);
490 
491 /*
492  * Additional 512 bytes for future expansion.
493  * To prevent corruption when loaded with newer firmwares with added counters.
494  * This can be deleted when there will be no further additions of counters.
495  */
496 #define BNXT_PORT_STAT_PADDING  512
497 
498 	rc = iflib_dma_alloc(ctx, sizeof(struct rx_port_stats) + BNXT_PORT_STAT_PADDING,
499 	    &softc->hw_rx_port_stats, 0);
500 	if (rc)
501 		goto hw_port_rx_stats_alloc_fail;
502 
503 	bus_dmamap_sync(softc->hw_rx_port_stats.idi_tag,
504             softc->hw_rx_port_stats.idi_map, BUS_DMASYNC_PREREAD);
505 
506 	rc = iflib_dma_alloc(ctx, sizeof(struct tx_port_stats) + BNXT_PORT_STAT_PADDING,
507 	    &softc->hw_tx_port_stats, 0);
508 
509 	if (rc)
510 		goto hw_port_tx_stats_alloc_fail;
511 
512 	bus_dmamap_sync(softc->hw_tx_port_stats.idi_tag,
513             softc->hw_tx_port_stats.idi_map, BUS_DMASYNC_PREREAD);
514 
515 	softc->rx_port_stats = (void *) softc->hw_rx_port_stats.idi_vaddr;
516 	softc->tx_port_stats = (void *) softc->hw_tx_port_stats.idi_vaddr;
517 
518 	for (i = 0; i < nrxqsets; i++) {
519 		/* Allocation the completion ring */
520 		softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
521 		softc->rx_cp_rings[i].ring.phys_id =
522 		    (uint16_t)HWRM_NA_SIGNATURE;
523 		softc->rx_cp_rings[i].ring.softc = softc;
524 		softc->rx_cp_rings[i].ring.id = i + 1;
525 		softc->rx_cp_rings[i].ring.doorbell =
526 		    softc->rx_cp_rings[i].ring.id * 0x80;
527 		/*
528 		 * If this ring overflows, RX stops working.
529 		 */
530 		softc->rx_cp_rings[i].ring.ring_size =
531 		    softc->scctx->isc_nrxd[0];
532 		softc->rx_cp_rings[i].ring.vaddr = vaddrs[i * nrxqs];
533 		softc->rx_cp_rings[i].ring.paddr = paddrs[i * nrxqs];
534 
535 		/* Allocate the RX ring */
536 		softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
537 		softc->rx_rings[i].softc = softc;
538 		softc->rx_rings[i].id = i + 1;
539 		softc->rx_rings[i].doorbell = softc->rx_rings[i].id * 0x80;
540 		softc->rx_rings[i].ring_size = softc->scctx->isc_nrxd[1];
541 		softc->rx_rings[i].vaddr = vaddrs[i * nrxqs + 1];
542 		softc->rx_rings[i].paddr = paddrs[i * nrxqs + 1];
543 
544 		/* Allocate the TPA start buffer */
545 		softc->rx_rings[i].tpa_start = malloc(sizeof(struct bnxt_full_tpa_start) *
546 	    		(RX_TPA_START_CMPL_AGG_ID_MASK >> RX_TPA_START_CMPL_AGG_ID_SFT),
547 	    		M_DEVBUF, M_NOWAIT | M_ZERO);
548 		if (softc->rx_rings[i].tpa_start == NULL) {
549 			rc = -ENOMEM;
550 			device_printf(softc->dev,
551 					"Unable to allocate space for TPA\n");
552 			goto tpa_alloc_fail;
553 		}
554 
555 		/* Allocate the AG ring */
556 		softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
557 		softc->ag_rings[i].softc = softc;
558 		softc->ag_rings[i].id = nrxqsets + i + 1;
559 		softc->ag_rings[i].doorbell = softc->ag_rings[i].id * 0x80;
560 		softc->ag_rings[i].ring_size = softc->scctx->isc_nrxd[2];
561 		softc->ag_rings[i].vaddr = vaddrs[i * nrxqs + 2];
562 		softc->ag_rings[i].paddr = paddrs[i * nrxqs + 2];
563 
564 		/* Allocate the ring group */
565 		softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE;
566 		softc->grp_info[i].stats_ctx =
567 		    softc->rx_cp_rings[i].stats_ctx_id;
568 		softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id;
569 		softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id;
570 		softc->grp_info[i].cp_ring_id =
571 		    softc->rx_cp_rings[i].ring.phys_id;
572 
573 		bnxt_create_rx_sysctls(softc, i);
574 	}
575 
576 	/*
577 	 * When SR-IOV is enabled, avoid each VF sending PORT_QSTATS
578          * HWRM every sec with which firmware timeouts can happen
579          */
580 	if (BNXT_PF(softc))
581         	bnxt_create_port_stats_sysctls(softc);
582 
583 	/* And finally, the VNIC */
584 	softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE;
585 	softc->vnic_info.flow_id = (uint16_t)HWRM_NA_SIGNATURE;
586 	softc->vnic_info.filter_id = -1;
587 	softc->vnic_info.def_ring_grp = (uint16_t)HWRM_NA_SIGNATURE;
588 	softc->vnic_info.cos_rule = (uint16_t)HWRM_NA_SIGNATURE;
589 	softc->vnic_info.lb_rule = (uint16_t)HWRM_NA_SIGNATURE;
590 	softc->vnic_info.rx_mask = HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_BCAST;
591 	softc->vnic_info.mc_list_count = 0;
592 	softc->vnic_info.flags = BNXT_VNIC_FLAG_DEFAULT;
593 	rc = iflib_dma_alloc(ctx, BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN,
594 	    &softc->vnic_info.mc_list, 0);
595 	if (rc)
596 		goto mc_list_alloc_fail;
597 
598 	/* The VNIC RSS Hash Key */
599 	rc = iflib_dma_alloc(ctx, HW_HASH_KEY_SIZE,
600 	    &softc->vnic_info.rss_hash_key_tbl, 0);
601 	if (rc)
602 		goto rss_hash_alloc_fail;
603 	bus_dmamap_sync(softc->vnic_info.rss_hash_key_tbl.idi_tag,
604 	    softc->vnic_info.rss_hash_key_tbl.idi_map,
605 	    BUS_DMASYNC_PREWRITE);
606 	memcpy(softc->vnic_info.rss_hash_key_tbl.idi_vaddr,
607 	    softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE);
608 
609 	/* Allocate the RSS tables */
610 	rc = iflib_dma_alloc(ctx, HW_HASH_INDEX_SIZE * sizeof(uint16_t),
611 	    &softc->vnic_info.rss_grp_tbl, 0);
612 	if (rc)
613 		goto rss_grp_alloc_fail;
614 	bus_dmamap_sync(softc->vnic_info.rss_grp_tbl.idi_tag,
615 	    softc->vnic_info.rss_grp_tbl.idi_map,
616 	    BUS_DMASYNC_PREWRITE);
617 	memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff,
618 	    softc->vnic_info.rss_grp_tbl.idi_size);
619 
620 	softc->nrxqsets = nrxqsets;
621 	return rc;
622 
623 rss_grp_alloc_fail:
624 	iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl);
625 rss_hash_alloc_fail:
626 	iflib_dma_free(&softc->vnic_info.mc_list);
627 tpa_alloc_fail:
628 mc_list_alloc_fail:
629 	for (i = i - 1; i >= 0; i--)
630 		free(softc->rx_rings[i].tpa_start, M_DEVBUF);
631 	iflib_dma_free(&softc->hw_tx_port_stats);
632 hw_port_tx_stats_alloc_fail:
633 	iflib_dma_free(&softc->hw_rx_port_stats);
634 hw_port_rx_stats_alloc_fail:
635 	iflib_dma_free(&softc->rx_stats);
636 hw_stats_alloc_fail:
637 	free(softc->grp_info, M_DEVBUF);
638 grp_alloc_fail:
639 	free(softc->ag_rings, M_DEVBUF);
640 ag_alloc_fail:
641 	free(softc->rx_rings, M_DEVBUF);
642 ring_alloc_fail:
643 	free(softc->rx_cp_rings, M_DEVBUF);
644 cp_alloc_fail:
645 	return rc;
646 }
647 
648 static void bnxt_free_hwrm_short_cmd_req(struct bnxt_softc *softc)
649 {
650 	if (softc->hwrm_short_cmd_req_addr.idi_vaddr)
651 		iflib_dma_free(&softc->hwrm_short_cmd_req_addr);
652 	softc->hwrm_short_cmd_req_addr.idi_vaddr = NULL;
653 }
654 
655 static int bnxt_alloc_hwrm_short_cmd_req(struct bnxt_softc *softc)
656 {
657 	int rc;
658 
659 	rc = iflib_dma_alloc(softc->ctx, softc->hwrm_max_req_len,
660 	    &softc->hwrm_short_cmd_req_addr, BUS_DMA_NOWAIT);
661 
662 	return rc;
663 }
664 
665 /* Device setup and teardown */
666 static int
667 bnxt_attach_pre(if_ctx_t ctx)
668 {
669 	struct bnxt_softc *softc = iflib_get_softc(ctx);
670 	if_softc_ctx_t scctx;
671 	int rc = 0;
672 
673 	softc->ctx = ctx;
674 	softc->dev = iflib_get_dev(ctx);
675 	softc->media = iflib_get_media(ctx);
676 	softc->scctx = iflib_get_softc_ctx(ctx);
677 	softc->sctx = iflib_get_sctx(ctx);
678 	scctx = softc->scctx;
679 
680 	/* TODO: Better way of detecting NPAR/VF is needed */
681 	switch (pci_get_device(softc->dev)) {
682 	case BCM57402_NPAR:
683 	case BCM57404_NPAR:
684 	case BCM57406_NPAR:
685 	case BCM57407_NPAR:
686 	case BCM57412_NPAR1:
687 	case BCM57412_NPAR2:
688 	case BCM57414_NPAR1:
689 	case BCM57414_NPAR2:
690 	case BCM57416_NPAR1:
691 	case BCM57416_NPAR2:
692 		softc->flags |= BNXT_FLAG_NPAR;
693 		break;
694 	case NETXTREME_C_VF1:
695 	case NETXTREME_C_VF2:
696 	case NETXTREME_C_VF3:
697 	case NETXTREME_E_VF1:
698 	case NETXTREME_E_VF2:
699 	case NETXTREME_E_VF3:
700 		softc->flags |= BNXT_FLAG_VF;
701 		break;
702 	}
703 
704 	pci_enable_busmaster(softc->dev);
705 
706 	if (bnxt_pci_mapping(softc))
707 		return (ENXIO);
708 
709 	/* HWRM setup/init */
710 	BNXT_HWRM_LOCK_INIT(softc, device_get_nameunit(softc->dev));
711 	rc = bnxt_alloc_hwrm_dma_mem(softc);
712 	if (rc)
713 		goto dma_fail;
714 
715 
716 	/* Get firmware version and compare with driver */
717 	softc->ver_info = malloc(sizeof(struct bnxt_ver_info),
718 	    M_DEVBUF, M_NOWAIT | M_ZERO);
719 	if (softc->ver_info == NULL) {
720 		rc = ENOMEM;
721 		device_printf(softc->dev,
722 		    "Unable to allocate space for version info\n");
723 		goto ver_alloc_fail;
724 	}
725 	/* Default minimum required HWRM version */
726 	softc->ver_info->hwrm_min_major = 1;
727 	softc->ver_info->hwrm_min_minor = 2;
728 	softc->ver_info->hwrm_min_update = 2;
729 
730 	rc = bnxt_hwrm_ver_get(softc);
731 	if (rc) {
732 		device_printf(softc->dev, "attach: hwrm ver get failed\n");
733 		goto ver_fail;
734 	}
735 
736 	if (softc->flags & BNXT_FLAG_SHORT_CMD) {
737 		rc = bnxt_alloc_hwrm_short_cmd_req(softc);
738 		if (rc)
739 			goto hwrm_short_cmd_alloc_fail;
740 	}
741 
742 	/* Get NVRAM info */
743 	if (BNXT_PF(softc)) {
744 		softc->nvm_info = malloc(sizeof(struct bnxt_nvram_info),
745 		    M_DEVBUF, M_NOWAIT | M_ZERO);
746 		if (softc->nvm_info == NULL) {
747 			rc = ENOMEM;
748 			device_printf(softc->dev,
749 			    "Unable to allocate space for NVRAM info\n");
750 			goto nvm_alloc_fail;
751 		}
752 
753 		rc = bnxt_hwrm_nvm_get_dev_info(softc, &softc->nvm_info->mfg_id,
754 		    &softc->nvm_info->device_id, &softc->nvm_info->sector_size,
755 		    &softc->nvm_info->size, &softc->nvm_info->reserved_size,
756 		    &softc->nvm_info->available_size);
757 	}
758 
759 	/* Register the driver with the FW */
760 	rc = bnxt_hwrm_func_drv_rgtr(softc);
761 	if (rc) {
762 		device_printf(softc->dev, "attach: hwrm drv rgtr failed\n");
763 		goto drv_rgtr_fail;
764 	}
765 
766         rc = bnxt_hwrm_func_rgtr_async_events(softc, NULL, 0);
767 	if (rc) {
768 		device_printf(softc->dev, "attach: hwrm rgtr async evts failed\n");
769 		goto drv_rgtr_fail;
770 	}
771 
772 	/* Get the HW capabilities */
773 	rc = bnxt_hwrm_func_qcaps(softc);
774 	if (rc)
775 		goto failed;
776 
777 	/* Get the current configuration of this function */
778 	rc = bnxt_hwrm_func_qcfg(softc);
779 	if (rc) {
780 		device_printf(softc->dev, "attach: hwrm func qcfg failed\n");
781 		goto failed;
782 	}
783 
784 	iflib_set_mac(ctx, softc->func.mac_addr);
785 
786 	scctx->isc_txrx = &bnxt_txrx;
787 	scctx->isc_tx_csum_flags = (CSUM_IP | CSUM_TCP | CSUM_UDP |
788 	    CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_TSO);
789 	scctx->isc_capabilities = scctx->isc_capenable =
790 	    /* These are translated to hwassit bits */
791 	    IFCAP_TXCSUM | IFCAP_TXCSUM_IPV6 | IFCAP_TSO4 | IFCAP_TSO6 |
792 	    /* These are checked by iflib */
793 	    IFCAP_LRO | IFCAP_VLAN_HWFILTER |
794 	    /* These are part of the iflib mask */
795 	    IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6 | IFCAP_VLAN_MTU |
796 	    IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO |
797 	    /* These likely get lost... */
798 	    IFCAP_VLAN_HWCSUM | IFCAP_JUMBO_MTU;
799 
800 	if (bnxt_wol_supported(softc))
801 		scctx->isc_capenable |= IFCAP_WOL_MAGIC;
802 
803 	/* Get the queue config */
804 	rc = bnxt_hwrm_queue_qportcfg(softc);
805 	if (rc) {
806 		device_printf(softc->dev, "attach: hwrm qportcfg failed\n");
807 		goto failed;
808 	}
809 
810 	bnxt_get_wol_settings(softc);
811 
812 	/* Now perform a function reset */
813 	rc = bnxt_hwrm_func_reset(softc);
814 	bnxt_clear_ids(softc);
815 	if (rc)
816 		goto failed;
817 
818 	/* Now set up iflib sc */
819 	scctx->isc_tx_nsegments = 31,
820 	scctx->isc_tx_tso_segments_max = 31;
821 	scctx->isc_tx_tso_size_max = BNXT_TSO_SIZE;
822 	scctx->isc_tx_tso_segsize_max = BNXT_TSO_SIZE;
823 	scctx->isc_vectors = softc->func.max_cp_rings;
824 	scctx->isc_min_frame_size = BNXT_MIN_FRAME_SIZE;
825 	scctx->isc_txrx = &bnxt_txrx;
826 
827 	if (scctx->isc_nrxd[0] <
828 	    ((scctx->isc_nrxd[1] * 4) + scctx->isc_nrxd[2]))
829 		device_printf(softc->dev,
830 		    "WARNING: nrxd0 (%d) should be at least 4 * nrxd1 (%d) + nrxd2 (%d).  Driver may be unstable\n",
831 		    scctx->isc_nrxd[0], scctx->isc_nrxd[1], scctx->isc_nrxd[2]);
832 	if (scctx->isc_ntxd[0] < scctx->isc_ntxd[1] * 2)
833 		device_printf(softc->dev,
834 		    "WARNING: ntxd0 (%d) should be at least 2 * ntxd1 (%d).  Driver may be unstable\n",
835 		    scctx->isc_ntxd[0], scctx->isc_ntxd[1]);
836 	scctx->isc_txqsizes[0] = sizeof(struct cmpl_base) * scctx->isc_ntxd[0];
837 	scctx->isc_txqsizes[1] = sizeof(struct tx_bd_short) *
838 	    scctx->isc_ntxd[1];
839 	scctx->isc_rxqsizes[0] = sizeof(struct cmpl_base) * scctx->isc_nrxd[0];
840 	scctx->isc_rxqsizes[1] = sizeof(struct rx_prod_pkt_bd) *
841 	    scctx->isc_nrxd[1];
842 	scctx->isc_rxqsizes[2] = sizeof(struct rx_prod_pkt_bd) *
843 	    scctx->isc_nrxd[2];
844 
845 	scctx->isc_nrxqsets_max = min(pci_msix_count(softc->dev)-1,
846 	    softc->fn_qcfg.alloc_completion_rings - 1);
847 	scctx->isc_nrxqsets_max = min(scctx->isc_nrxqsets_max,
848 	    softc->fn_qcfg.alloc_rx_rings);
849 	scctx->isc_nrxqsets_max = min(scctx->isc_nrxqsets_max,
850 	    softc->fn_qcfg.alloc_vnics);
851 	scctx->isc_ntxqsets_max = min(softc->fn_qcfg.alloc_tx_rings,
852 	    softc->fn_qcfg.alloc_completion_rings - scctx->isc_nrxqsets_max - 1);
853 
854 	scctx->isc_rss_table_size = HW_HASH_INDEX_SIZE;
855 	scctx->isc_rss_table_mask = scctx->isc_rss_table_size - 1;
856 
857 	/* iflib will map and release this bar */
858 	scctx->isc_msix_bar = pci_msix_table_bar(softc->dev);
859 
860         /*
861          * Default settings for HW LRO (TPA):
862          *  Disable HW LRO by default
863          *  Can be enabled after taking care of 'packet forwarding'
864          */
865 	softc->hw_lro.enable = 0;
866 	softc->hw_lro.is_mode_gro = 0;
867 	softc->hw_lro.max_agg_segs = 5; /* 2^5 = 32 segs */
868 	softc->hw_lro.max_aggs = HWRM_VNIC_TPA_CFG_INPUT_MAX_AGGS_MAX;
869 	softc->hw_lro.min_agg_len = 512;
870 
871 	/* Allocate the default completion ring */
872 	softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE;
873 	softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
874 	softc->def_cp_ring.ring.softc = softc;
875 	softc->def_cp_ring.ring.id = 0;
876 	softc->def_cp_ring.ring.doorbell = softc->def_cp_ring.ring.id * 0x80;
877 	softc->def_cp_ring.ring.ring_size = PAGE_SIZE /
878 	    sizeof(struct cmpl_base);
879 	rc = iflib_dma_alloc(ctx,
880 	    sizeof(struct cmpl_base) * softc->def_cp_ring.ring.ring_size,
881 	    &softc->def_cp_ring_mem, 0);
882 	softc->def_cp_ring.ring.vaddr = softc->def_cp_ring_mem.idi_vaddr;
883 	softc->def_cp_ring.ring.paddr = softc->def_cp_ring_mem.idi_paddr;
884 	iflib_config_gtask_init(ctx, &softc->def_cp_task, bnxt_def_cp_task,
885 	    "dflt_cp");
886 
887 	rc = bnxt_init_sysctl_ctx(softc);
888 	if (rc)
889 		goto init_sysctl_failed;
890 	if (BNXT_PF(softc)) {
891 		rc = bnxt_create_nvram_sysctls(softc->nvm_info);
892 		if (rc)
893 			goto failed;
894 	}
895 
896 	arc4rand(softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE, 0);
897 	softc->vnic_info.rss_hash_type =
898 	    HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4 |
899 	    HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4 |
900 	    HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4 |
901 	    HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6 |
902 	    HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6 |
903 	    HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6;
904 	rc = bnxt_create_config_sysctls_pre(softc);
905 	if (rc)
906 		goto failed;
907 
908 	rc = bnxt_create_hw_lro_sysctls(softc);
909 	if (rc)
910 		goto failed;
911 
912 	rc = bnxt_create_pause_fc_sysctls(softc);
913 	if (rc)
914 		goto failed;
915 
916 	/* Initialize the vlan list */
917 	SLIST_INIT(&softc->vnic_info.vlan_tags);
918 	softc->vnic_info.vlan_tag_list.idi_vaddr = NULL;
919 
920 	return (rc);
921 
922 failed:
923 	bnxt_free_sysctl_ctx(softc);
924 init_sysctl_failed:
925 	bnxt_hwrm_func_drv_unrgtr(softc, false);
926 drv_rgtr_fail:
927 	if (BNXT_PF(softc))
928 		free(softc->nvm_info, M_DEVBUF);
929 nvm_alloc_fail:
930 	bnxt_free_hwrm_short_cmd_req(softc);
931 hwrm_short_cmd_alloc_fail:
932 ver_fail:
933 	free(softc->ver_info, M_DEVBUF);
934 ver_alloc_fail:
935 	bnxt_free_hwrm_dma_mem(softc);
936 dma_fail:
937 	BNXT_HWRM_LOCK_DESTROY(softc);
938 	bnxt_pci_mapping_free(softc);
939 	pci_disable_busmaster(softc->dev);
940 	return (rc);
941 }
942 
943 static int
944 bnxt_attach_post(if_ctx_t ctx)
945 {
946 	struct bnxt_softc *softc = iflib_get_softc(ctx);
947 	if_t ifp = iflib_get_ifp(ctx);
948 	int rc;
949 
950 	bnxt_create_config_sysctls_post(softc);
951 
952 	/* Update link state etc... */
953 	rc = bnxt_probe_phy(softc);
954 	if (rc)
955 		goto failed;
956 
957 	/* Needs to be done after probing the phy */
958 	bnxt_create_ver_sysctls(softc);
959 	bnxt_add_media_types(softc);
960 	ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO);
961 
962 	softc->scctx->isc_max_frame_size = ifp->if_mtu + ETHER_HDR_LEN +
963 	    ETHER_CRC_LEN;
964 
965 failed:
966 	return rc;
967 }
968 
969 static int
970 bnxt_detach(if_ctx_t ctx)
971 {
972 	struct bnxt_softc *softc = iflib_get_softc(ctx);
973 	struct bnxt_vlan_tag *tag;
974 	struct bnxt_vlan_tag *tmp;
975 	int i;
976 
977 	bnxt_wol_config(ctx);
978 	bnxt_do_disable_intr(&softc->def_cp_ring);
979 	bnxt_free_sysctl_ctx(softc);
980 	bnxt_hwrm_func_reset(softc);
981 	bnxt_clear_ids(softc);
982 	iflib_irq_free(ctx, &softc->def_cp_ring.irq);
983 	iflib_config_gtask_deinit(&softc->def_cp_task);
984 	/* We need to free() these here... */
985 	for (i = softc->nrxqsets-1; i>=0; i--) {
986 		iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq);
987 	}
988 	iflib_dma_free(&softc->vnic_info.mc_list);
989 	iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl);
990 	iflib_dma_free(&softc->vnic_info.rss_grp_tbl);
991 	if (softc->vnic_info.vlan_tag_list.idi_vaddr)
992 		iflib_dma_free(&softc->vnic_info.vlan_tag_list);
993 	SLIST_FOREACH_SAFE(tag, &softc->vnic_info.vlan_tags, next, tmp)
994 		free(tag, M_DEVBUF);
995 	iflib_dma_free(&softc->def_cp_ring_mem);
996 	for (i = 0; i < softc->nrxqsets; i++)
997 		free(softc->rx_rings[i].tpa_start, M_DEVBUF);
998 	free(softc->ver_info, M_DEVBUF);
999 	if (BNXT_PF(softc))
1000 		free(softc->nvm_info, M_DEVBUF);
1001 
1002 	bnxt_hwrm_func_drv_unrgtr(softc, false);
1003 	bnxt_free_hwrm_dma_mem(softc);
1004 	bnxt_free_hwrm_short_cmd_req(softc);
1005 	BNXT_HWRM_LOCK_DESTROY(softc);
1006 
1007 	pci_disable_busmaster(softc->dev);
1008 	bnxt_pci_mapping_free(softc);
1009 
1010 	return 0;
1011 }
1012 
1013 /* Device configuration */
1014 static void
1015 bnxt_init(if_ctx_t ctx)
1016 {
1017 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1018 	struct ifmediareq ifmr;
1019 	int i, j;
1020 	int rc;
1021 
1022 	rc = bnxt_hwrm_func_reset(softc);
1023 	if (rc)
1024 		return;
1025 	bnxt_clear_ids(softc);
1026 
1027 	/* Allocate the default completion ring */
1028 	softc->def_cp_ring.cons = UINT32_MAX;
1029 	softc->def_cp_ring.v_bit = 1;
1030 	bnxt_mark_cpr_invalid(&softc->def_cp_ring);
1031 	rc = bnxt_hwrm_ring_alloc(softc,
1032 	    HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
1033 	    &softc->def_cp_ring.ring,
1034 	    (uint16_t)HWRM_NA_SIGNATURE,
1035 	    HWRM_NA_SIGNATURE, true);
1036 	if (rc)
1037 		goto fail;
1038 
1039 	/* And now set the default CP ring as the async CP ring */
1040 	rc = bnxt_cfg_async_cr(softc);
1041 	if (rc)
1042 		goto fail;
1043 
1044 	for (i = 0; i < softc->nrxqsets; i++) {
1045 		/* Allocate the statistics context */
1046 		rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->rx_cp_rings[i],
1047 		    softc->rx_stats.idi_paddr +
1048 		    (sizeof(struct ctx_hw_stats) * i));
1049 		if (rc)
1050 			goto fail;
1051 
1052 		/* Allocate the completion ring */
1053 		softc->rx_cp_rings[i].cons = UINT32_MAX;
1054 		softc->rx_cp_rings[i].v_bit = 1;
1055 		softc->rx_cp_rings[i].last_idx = UINT32_MAX;
1056 		bnxt_mark_cpr_invalid(&softc->rx_cp_rings[i]);
1057 		rc = bnxt_hwrm_ring_alloc(softc,
1058 		    HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
1059 		    &softc->rx_cp_rings[i].ring, (uint16_t)HWRM_NA_SIGNATURE,
1060 		    HWRM_NA_SIGNATURE, true);
1061 		if (rc)
1062 			goto fail;
1063 
1064 		/* Allocate the RX ring */
1065 		rc = bnxt_hwrm_ring_alloc(softc,
1066 		    HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
1067 		    &softc->rx_rings[i], (uint16_t)HWRM_NA_SIGNATURE,
1068 		    HWRM_NA_SIGNATURE, false);
1069 		if (rc)
1070 			goto fail;
1071 		BNXT_RX_DB(&softc->rx_rings[i], 0);
1072 		/* TODO: Cumulus+ doesn't need the double doorbell */
1073 		BNXT_RX_DB(&softc->rx_rings[i], 0);
1074 
1075 		/* Allocate the AG ring */
1076 		rc = bnxt_hwrm_ring_alloc(softc,
1077 		    HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
1078 		    &softc->ag_rings[i], (uint16_t)HWRM_NA_SIGNATURE,
1079 		    HWRM_NA_SIGNATURE, false);
1080 		if (rc)
1081 			goto fail;
1082 		BNXT_RX_DB(&softc->rx_rings[i], 0);
1083 		/* TODO: Cumulus+ doesn't need the double doorbell */
1084 		BNXT_RX_DB(&softc->ag_rings[i], 0);
1085 
1086 		/* Allocate the ring group */
1087 		softc->grp_info[i].stats_ctx =
1088 		    softc->rx_cp_rings[i].stats_ctx_id;
1089 		softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id;
1090 		softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id;
1091 		softc->grp_info[i].cp_ring_id =
1092 		    softc->rx_cp_rings[i].ring.phys_id;
1093 		rc = bnxt_hwrm_ring_grp_alloc(softc, &softc->grp_info[i]);
1094 		if (rc)
1095 			goto fail;
1096 
1097 	}
1098 
1099 	/* Allocate the VNIC RSS context */
1100 	rc = bnxt_hwrm_vnic_ctx_alloc(softc, &softc->vnic_info.rss_id);
1101 	if (rc)
1102 		goto fail;
1103 
1104 	/* Allocate the vnic */
1105 	softc->vnic_info.def_ring_grp = softc->grp_info[0].grp_id;
1106 	softc->vnic_info.mru = softc->scctx->isc_max_frame_size;
1107 	rc = bnxt_hwrm_vnic_alloc(softc, &softc->vnic_info);
1108 	if (rc)
1109 		goto fail;
1110 	rc = bnxt_hwrm_vnic_cfg(softc, &softc->vnic_info);
1111 	if (rc)
1112 		goto fail;
1113 	rc = bnxt_hwrm_set_filter(softc, &softc->vnic_info);
1114 	if (rc)
1115 		goto fail;
1116 
1117 	/* Enable RSS on the VNICs */
1118 	for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++) {
1119 		((uint16_t *)
1120 		    softc->vnic_info.rss_grp_tbl.idi_vaddr)[i] =
1121 		    htole16(softc->grp_info[j].grp_id);
1122 		if (++j == softc->nrxqsets)
1123 			j = 0;
1124 	}
1125 
1126 	rc = bnxt_hwrm_rss_cfg(softc, &softc->vnic_info,
1127 	    softc->vnic_info.rss_hash_type);
1128 	if (rc)
1129 		goto fail;
1130 
1131 	rc = bnxt_hwrm_vnic_tpa_cfg(softc);
1132 	if (rc)
1133 		goto fail;
1134 
1135 	for (i = 0; i < softc->ntxqsets; i++) {
1136 		/* Allocate the statistics context */
1137 		rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->tx_cp_rings[i],
1138 		    softc->tx_stats.idi_paddr +
1139 		    (sizeof(struct ctx_hw_stats) * i));
1140 		if (rc)
1141 			goto fail;
1142 
1143 		/* Allocate the completion ring */
1144 		softc->tx_cp_rings[i].cons = UINT32_MAX;
1145 		softc->tx_cp_rings[i].v_bit = 1;
1146 		bnxt_mark_cpr_invalid(&softc->tx_cp_rings[i]);
1147 		rc = bnxt_hwrm_ring_alloc(softc,
1148 		    HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
1149 		    &softc->tx_cp_rings[i].ring, (uint16_t)HWRM_NA_SIGNATURE,
1150 		    HWRM_NA_SIGNATURE, false);
1151 		if (rc)
1152 			goto fail;
1153 
1154 		/* Allocate the TX ring */
1155 		rc = bnxt_hwrm_ring_alloc(softc,
1156 		    HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
1157 		    &softc->tx_rings[i], softc->tx_cp_rings[i].ring.phys_id,
1158 		    softc->tx_cp_rings[i].stats_ctx_id, false);
1159 		if (rc)
1160 			goto fail;
1161 		BNXT_TX_DB(&softc->tx_rings[i], 0);
1162 		/* TODO: Cumulus+ doesn't need the double doorbell */
1163 		BNXT_TX_DB(&softc->tx_rings[i], 0);
1164 	}
1165 
1166 	bnxt_do_enable_intr(&softc->def_cp_ring);
1167 	bnxt_media_status(softc->ctx, &ifmr);
1168 	bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1169 	return;
1170 
1171 fail:
1172 	bnxt_hwrm_func_reset(softc);
1173 	bnxt_clear_ids(softc);
1174 	return;
1175 }
1176 
1177 static void
1178 bnxt_stop(if_ctx_t ctx)
1179 {
1180 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1181 
1182 	bnxt_do_disable_intr(&softc->def_cp_ring);
1183 	bnxt_hwrm_func_reset(softc);
1184 	bnxt_clear_ids(softc);
1185 	return;
1186 }
1187 
1188 static void
1189 bnxt_multi_set(if_ctx_t ctx)
1190 {
1191 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1192 	if_t ifp = iflib_get_ifp(ctx);
1193 	uint8_t *mta;
1194 	int cnt, mcnt;
1195 
1196 	mcnt = if_multiaddr_count(ifp, -1);
1197 
1198 	if (mcnt > BNXT_MAX_MC_ADDRS) {
1199 		softc->vnic_info.rx_mask |=
1200 		    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1201 		bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1202 	}
1203 	else {
1204 		softc->vnic_info.rx_mask &=
1205 		    ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1206 		mta = softc->vnic_info.mc_list.idi_vaddr;
1207 		bzero(mta, softc->vnic_info.mc_list.idi_size);
1208 		if_multiaddr_array(ifp, mta, &cnt, mcnt);
1209 		bus_dmamap_sync(softc->vnic_info.mc_list.idi_tag,
1210 		    softc->vnic_info.mc_list.idi_map, BUS_DMASYNC_PREWRITE);
1211 		softc->vnic_info.mc_list_count = cnt;
1212 		softc->vnic_info.rx_mask |=
1213 		    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_MCAST;
1214 		if (bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info))
1215 			device_printf(softc->dev,
1216 			    "set_multi: rx_mask set failed\n");
1217 	}
1218 }
1219 
1220 static int
1221 bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu)
1222 {
1223 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1224 
1225 	if (mtu > BNXT_MAX_MTU)
1226 		return EINVAL;
1227 
1228 	softc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1229 	return 0;
1230 }
1231 
1232 static void
1233 bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
1234 {
1235 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1236 	struct bnxt_link_info *link_info = &softc->link_info;
1237 	struct ifmedia_entry *next;
1238 	uint64_t target_baudrate = bnxt_get_baudrate(link_info);
1239 	int active_media = IFM_UNKNOWN;
1240 
1241 
1242 	bnxt_update_link(softc, true);
1243 
1244 	ifmr->ifm_status = IFM_AVALID;
1245 	ifmr->ifm_active = IFM_ETHER;
1246 
1247 	if (link_info->link_up)
1248 		ifmr->ifm_status |= IFM_ACTIVE;
1249 	else
1250 		ifmr->ifm_status &= ~IFM_ACTIVE;
1251 
1252 	if (link_info->duplex == HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL)
1253 		ifmr->ifm_active |= IFM_FDX;
1254 	else
1255 		ifmr->ifm_active |= IFM_HDX;
1256 
1257         /*
1258          * Go through the list of supported media which got prepared
1259          * as part of bnxt_add_media_types() using api ifmedia_add().
1260          */
1261 	LIST_FOREACH(next, &(iflib_get_media(ctx)->ifm_list), ifm_list) {
1262 		if (ifmedia_baudrate(next->ifm_media) == target_baudrate) {
1263 			active_media = next->ifm_media;
1264 			break;
1265 		}
1266 	}
1267 	ifmr->ifm_active |= active_media;
1268 
1269 	if (link_info->flow_ctrl.rx)
1270 		ifmr->ifm_active |= IFM_ETH_RXPAUSE;
1271 	if (link_info->flow_ctrl.tx)
1272 		ifmr->ifm_active |= IFM_ETH_TXPAUSE;
1273 
1274 	bnxt_report_link(softc);
1275 	return;
1276 }
1277 
1278 static int
1279 bnxt_media_change(if_ctx_t ctx)
1280 {
1281 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1282 	struct ifmedia *ifm = iflib_get_media(ctx);
1283 	struct ifmediareq ifmr;
1284 	int rc;
1285 
1286 	if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1287 		return EINVAL;
1288 
1289 	switch (IFM_SUBTYPE(ifm->ifm_media)) {
1290 	case IFM_100_T:
1291 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1292 		softc->link_info.req_link_speed =
1293 		    HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100MB;
1294 		break;
1295 	case IFM_1000_KX:
1296 	case IFM_1000_T:
1297 	case IFM_1000_SGMII:
1298 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1299 		softc->link_info.req_link_speed =
1300 		    HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_1GB;
1301 		break;
1302 	case IFM_2500_KX:
1303 	case IFM_2500_T:
1304 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1305 		softc->link_info.req_link_speed =
1306 		    HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_2_5GB;
1307 		break;
1308 	case IFM_10G_CR1:
1309 	case IFM_10G_KR:
1310 	case IFM_10G_LR:
1311 	case IFM_10G_SR:
1312 	case IFM_10G_T:
1313 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1314 		softc->link_info.req_link_speed =
1315 		    HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_10GB;
1316 		break;
1317 	case IFM_20G_KR2:
1318 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1319 		softc->link_info.req_link_speed =
1320 		    HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_20GB;
1321 		break;
1322 	case IFM_25G_CR:
1323 	case IFM_25G_KR:
1324 	case IFM_25G_SR:
1325 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1326 		softc->link_info.req_link_speed =
1327 		    HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_25GB;
1328 		break;
1329 	case IFM_40G_CR4:
1330 	case IFM_40G_KR4:
1331 	case IFM_40G_LR4:
1332 	case IFM_40G_SR4:
1333 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1334 		softc->link_info.req_link_speed =
1335 		    HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_40GB;
1336 		break;
1337 	case IFM_50G_CR2:
1338 	case IFM_50G_KR2:
1339 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1340 		softc->link_info.req_link_speed =
1341 		    HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_50GB;
1342 		break;
1343 	case IFM_100G_CR4:
1344 	case IFM_100G_KR4:
1345 	case IFM_100G_LR4:
1346 	case IFM_100G_SR4:
1347 		softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1348 		softc->link_info.req_link_speed =
1349 			HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100GB;
1350 		break;
1351 	default:
1352 		device_printf(softc->dev,
1353 		    "Unsupported media type!  Using auto\n");
1354 		/* Fall-through */
1355 	case IFM_AUTO:
1356 		// Auto
1357 		softc->link_info.autoneg |= BNXT_AUTONEG_SPEED;
1358 		break;
1359 	}
1360 	rc = bnxt_hwrm_set_link_setting(softc, true, true, true);
1361 	bnxt_media_status(softc->ctx, &ifmr);
1362 	return rc;
1363 }
1364 
1365 static int
1366 bnxt_promisc_set(if_ctx_t ctx, int flags)
1367 {
1368 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1369 	if_t ifp = iflib_get_ifp(ctx);
1370 	int rc;
1371 
1372 	if (ifp->if_flags & IFF_ALLMULTI ||
1373 	    if_multiaddr_count(ifp, -1) > BNXT_MAX_MC_ADDRS)
1374 		softc->vnic_info.rx_mask |=
1375 		    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1376 	else
1377 		softc->vnic_info.rx_mask &=
1378 		    ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1379 
1380 	if (ifp->if_flags & IFF_PROMISC)
1381 		softc->vnic_info.rx_mask |=
1382 		    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS |
1383 		    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN;
1384 	else
1385 		softc->vnic_info.rx_mask &=
1386 		    ~(HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS |
1387 		    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
1388 
1389 	rc = bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1390 
1391 	return rc;
1392 }
1393 
1394 static uint64_t
1395 bnxt_get_counter(if_ctx_t ctx, ift_counter cnt)
1396 {
1397 	if_t ifp = iflib_get_ifp(ctx);
1398 
1399 	if (cnt < IFCOUNTERS)
1400 		return if_get_counter_default(ifp, cnt);
1401 
1402 	return 0;
1403 }
1404 
1405 static void
1406 bnxt_update_admin_status(if_ctx_t ctx)
1407 {
1408 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1409 
1410 	/*
1411 	 * When SR-IOV is enabled, avoid each VF sending this HWRM
1412          * request every sec with which firmware timeouts can happen
1413          */
1414 	if (BNXT_PF(softc)) {
1415 		bnxt_hwrm_port_qstats(softc);
1416 	}
1417 
1418 	return;
1419 }
1420 
1421 static void
1422 bnxt_if_timer(if_ctx_t ctx, uint16_t qid)
1423 {
1424 
1425 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1426 	uint64_t ticks_now = ticks;
1427 
1428         /* Schedule bnxt_update_admin_status() once per sec */
1429         if (ticks_now - softc->admin_ticks >= hz) {
1430 		softc->admin_ticks = ticks_now;
1431 		iflib_admin_intr_deferred(ctx);
1432 	}
1433 
1434 	return;
1435 }
1436 
1437 static void inline
1438 bnxt_do_enable_intr(struct bnxt_cp_ring *cpr)
1439 {
1440 	if (cpr->ring.phys_id != (uint16_t)HWRM_NA_SIGNATURE) {
1441 		/* First time enabling, do not set index */
1442 		if (cpr->cons == UINT32_MAX)
1443 			BNXT_CP_ENABLE_DB(&cpr->ring);
1444 		else
1445 			BNXT_CP_IDX_ENABLE_DB(&cpr->ring, cpr->cons);
1446 	}
1447 }
1448 
1449 static void inline
1450 bnxt_do_disable_intr(struct bnxt_cp_ring *cpr)
1451 {
1452 	if (cpr->ring.phys_id != (uint16_t)HWRM_NA_SIGNATURE)
1453 		BNXT_CP_DISABLE_DB(&cpr->ring);
1454 }
1455 
1456 /* Enable all interrupts */
1457 static void
1458 bnxt_intr_enable(if_ctx_t ctx)
1459 {
1460 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1461 	int i;
1462 
1463 	bnxt_do_enable_intr(&softc->def_cp_ring);
1464 	for (i = 0; i < softc->nrxqsets; i++)
1465 		bnxt_do_enable_intr(&softc->rx_cp_rings[i]);
1466 
1467 	return;
1468 }
1469 
1470 /* Enable interrupt for a single queue */
1471 static int
1472 bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
1473 {
1474 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1475 
1476 	bnxt_do_enable_intr(&softc->tx_cp_rings[qid]);
1477 	return 0;
1478 }
1479 
1480 static int
1481 bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
1482 {
1483 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1484 
1485 	bnxt_do_enable_intr(&softc->rx_cp_rings[qid]);
1486 	return 0;
1487 }
1488 
1489 /* Disable all interrupts */
1490 static void
1491 bnxt_disable_intr(if_ctx_t ctx)
1492 {
1493 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1494 	int i;
1495 
1496 	/*
1497 	 * NOTE: These TX interrupts should never get enabled, so don't
1498 	 * update the index
1499 	 */
1500 	for (i = 0; i < softc->ntxqsets; i++)
1501 		bnxt_do_disable_intr(&softc->tx_cp_rings[i]);
1502 	for (i = 0; i < softc->nrxqsets; i++)
1503 		bnxt_do_disable_intr(&softc->rx_cp_rings[i]);
1504 
1505 	return;
1506 }
1507 
1508 static int
1509 bnxt_msix_intr_assign(if_ctx_t ctx, int msix)
1510 {
1511 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1512 	int rc;
1513 	int i;
1514 	char irq_name[16];
1515 
1516 	rc = iflib_irq_alloc_generic(ctx, &softc->def_cp_ring.irq,
1517 	    softc->def_cp_ring.ring.id + 1, IFLIB_INTR_ADMIN,
1518 	    bnxt_handle_def_cp, softc, 0, "def_cp");
1519 	if (rc) {
1520 		device_printf(iflib_get_dev(ctx),
1521 		    "Failed to register default completion ring handler\n");
1522 		return rc;
1523 	}
1524 
1525 	for (i=0; i<softc->scctx->isc_nrxqsets; i++) {
1526 		snprintf(irq_name, sizeof(irq_name), "rxq%d", i);
1527 		rc = iflib_irq_alloc_generic(ctx, &softc->rx_cp_rings[i].irq,
1528 		    softc->rx_cp_rings[i].ring.id + 1, IFLIB_INTR_RX,
1529 		    bnxt_handle_rx_cp, &softc->rx_cp_rings[i], i, irq_name);
1530 		if (rc) {
1531 			device_printf(iflib_get_dev(ctx),
1532 			    "Failed to register RX completion ring handler\n");
1533 			i--;
1534 			goto fail;
1535 		}
1536 	}
1537 
1538 	for (i=0; i<softc->scctx->isc_ntxqsets; i++)
1539 		iflib_softirq_alloc_generic(ctx, NULL, IFLIB_INTR_TX, NULL, i, "tx_cp");
1540 
1541 	return rc;
1542 
1543 fail:
1544 	for (; i>=0; i--)
1545 		iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq);
1546 	iflib_irq_free(ctx, &softc->def_cp_ring.irq);
1547 	return rc;
1548 }
1549 
1550 /*
1551  * We're explicitly allowing duplicates here.  They will need to be
1552  * removed as many times as they are added.
1553  */
1554 static void
1555 bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag)
1556 {
1557 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1558 	struct bnxt_vlan_tag *new_tag;
1559 
1560 	new_tag = malloc(sizeof(struct bnxt_vlan_tag), M_DEVBUF, M_NOWAIT);
1561 	if (new_tag == NULL)
1562 		return;
1563 	new_tag->tag = vtag;
1564 	new_tag->tpid = 8100;
1565 	SLIST_INSERT_HEAD(&softc->vnic_info.vlan_tags, new_tag, next);
1566 };
1567 
1568 static void
1569 bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag)
1570 {
1571 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1572 	struct bnxt_vlan_tag *vlan_tag;
1573 
1574 	SLIST_FOREACH(vlan_tag, &softc->vnic_info.vlan_tags, next) {
1575 		if (vlan_tag->tag == vtag) {
1576 			SLIST_REMOVE(&softc->vnic_info.vlan_tags, vlan_tag,
1577 			    bnxt_vlan_tag, next);
1578 			free(vlan_tag, M_DEVBUF);
1579 			break;
1580 		}
1581 	}
1582 }
1583 
1584 static int
1585 bnxt_wol_config(if_ctx_t ctx)
1586 {
1587 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1588 	if_t ifp = iflib_get_ifp(ctx);
1589 
1590 	if (!softc)
1591 		return -EBUSY;
1592 
1593 	if (!bnxt_wol_supported(softc))
1594 		return -ENOTSUP;
1595 
1596 	if (if_getcapabilities(ifp) & IFCAP_WOL_MAGIC) {
1597 		if (!softc->wol) {
1598 			if (bnxt_hwrm_alloc_wol_fltr(softc))
1599 				return -EBUSY;
1600 			softc->wol = 1;
1601 		}
1602 	} else {
1603 		if (softc->wol) {
1604 			if (bnxt_hwrm_free_wol_fltr(softc))
1605 				return -EBUSY;
1606 			softc->wol = 0;
1607 		}
1608 	}
1609 
1610 	return 0;
1611 }
1612 
1613 static int
1614 bnxt_shutdown(if_ctx_t ctx)
1615 {
1616 	bnxt_wol_config(ctx);
1617 	return 0;
1618 }
1619 
1620 static int
1621 bnxt_suspend(if_ctx_t ctx)
1622 {
1623 	bnxt_wol_config(ctx);
1624 	return 0;
1625 }
1626 
1627 static int
1628 bnxt_resume(if_ctx_t ctx)
1629 {
1630 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1631 
1632 	bnxt_get_wol_settings(softc);
1633 	return 0;
1634 }
1635 
1636 static int
1637 bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data)
1638 {
1639 	struct bnxt_softc *softc = iflib_get_softc(ctx);
1640 	struct ifreq *ifr = (struct ifreq *)data;
1641 	struct ifreq_buffer *ifbuf = &ifr->ifr_ifru.ifru_buffer;
1642 	struct bnxt_ioctl_header *ioh =
1643 	    (struct bnxt_ioctl_header *)(ifbuf->buffer);
1644 	int rc = ENOTSUP;
1645 	struct bnxt_ioctl_data *iod = NULL;
1646 
1647 	switch (command) {
1648 	case SIOCGPRIVATE_0:
1649 		if ((rc = priv_check(curthread, PRIV_DRIVER)) != 0)
1650 			goto exit;
1651 
1652 		iod = malloc(ifbuf->length, M_DEVBUF, M_NOWAIT | M_ZERO);
1653 		if (!iod) {
1654 			rc = ENOMEM;
1655 			goto exit;
1656 		}
1657 		copyin(ioh, iod, ifbuf->length);
1658 
1659 		switch (ioh->type) {
1660 		case BNXT_HWRM_NVM_FIND_DIR_ENTRY:
1661 		{
1662 			struct bnxt_ioctl_hwrm_nvm_find_dir_entry *find =
1663 			    &iod->find;
1664 
1665 			rc = bnxt_hwrm_nvm_find_dir_entry(softc, find->type,
1666 			    &find->ordinal, find->ext, &find->index,
1667 			    find->use_index, find->search_opt,
1668 			    &find->data_length, &find->item_length,
1669 			    &find->fw_ver);
1670 			if (rc) {
1671 				iod->hdr.rc = rc;
1672 				copyout(&iod->hdr.rc, &ioh->rc,
1673 				    sizeof(ioh->rc));
1674 			}
1675 			else {
1676 				iod->hdr.rc = 0;
1677 				copyout(iod, ioh, ifbuf->length);
1678 			}
1679 
1680 			rc = 0;
1681 			goto exit;
1682 		}
1683 		case BNXT_HWRM_NVM_READ:
1684 		{
1685 			struct bnxt_ioctl_hwrm_nvm_read *rd = &iod->read;
1686 			struct iflib_dma_info dma_data;
1687 			size_t offset;
1688 			size_t remain;
1689 			size_t csize;
1690 
1691 			/*
1692 			 * Some HWRM versions can't read more than 0x8000 bytes
1693 			 */
1694 			rc = iflib_dma_alloc(softc->ctx,
1695 			    min(rd->length, 0x8000), &dma_data, BUS_DMA_NOWAIT);
1696 			if (rc)
1697 				break;
1698 			for (remain = rd->length, offset = 0;
1699 			    remain && offset < rd->length; offset += 0x8000) {
1700 				csize = min(remain, 0x8000);
1701 				rc = bnxt_hwrm_nvm_read(softc, rd->index,
1702 				    rd->offset + offset, csize, &dma_data);
1703 				if (rc) {
1704 					iod->hdr.rc = rc;
1705 					copyout(&iod->hdr.rc, &ioh->rc,
1706 					    sizeof(ioh->rc));
1707 					break;
1708 				}
1709 				else {
1710 					copyout(dma_data.idi_vaddr,
1711 					    rd->data + offset, csize);
1712 					iod->hdr.rc = 0;
1713 				}
1714 				remain -= csize;
1715 			}
1716 			if (iod->hdr.rc == 0)
1717 				copyout(iod, ioh, ifbuf->length);
1718 
1719 			iflib_dma_free(&dma_data);
1720 			rc = 0;
1721 			goto exit;
1722 		}
1723 		case BNXT_HWRM_FW_RESET:
1724 		{
1725 			struct bnxt_ioctl_hwrm_fw_reset *rst =
1726 			    &iod->reset;
1727 
1728 			rc = bnxt_hwrm_fw_reset(softc, rst->processor,
1729 			    &rst->selfreset);
1730 			if (rc) {
1731 				iod->hdr.rc = rc;
1732 				copyout(&iod->hdr.rc, &ioh->rc,
1733 				    sizeof(ioh->rc));
1734 			}
1735 			else {
1736 				iod->hdr.rc = 0;
1737 				copyout(iod, ioh, ifbuf->length);
1738 			}
1739 
1740 			rc = 0;
1741 			goto exit;
1742 		}
1743 		case BNXT_HWRM_FW_QSTATUS:
1744 		{
1745 			struct bnxt_ioctl_hwrm_fw_qstatus *qstat =
1746 			    &iod->status;
1747 
1748 			rc = bnxt_hwrm_fw_qstatus(softc, qstat->processor,
1749 			    &qstat->selfreset);
1750 			if (rc) {
1751 				iod->hdr.rc = rc;
1752 				copyout(&iod->hdr.rc, &ioh->rc,
1753 				    sizeof(ioh->rc));
1754 			}
1755 			else {
1756 				iod->hdr.rc = 0;
1757 				copyout(iod, ioh, ifbuf->length);
1758 			}
1759 
1760 			rc = 0;
1761 			goto exit;
1762 		}
1763 		case BNXT_HWRM_NVM_WRITE:
1764 		{
1765 			struct bnxt_ioctl_hwrm_nvm_write *wr =
1766 			    &iod->write;
1767 
1768 			rc = bnxt_hwrm_nvm_write(softc, wr->data, true,
1769 			    wr->type, wr->ordinal, wr->ext, wr->attr,
1770 			    wr->option, wr->data_length, wr->keep,
1771 			    &wr->item_length, &wr->index);
1772 			if (rc) {
1773 				iod->hdr.rc = rc;
1774 				copyout(&iod->hdr.rc, &ioh->rc,
1775 				    sizeof(ioh->rc));
1776 			}
1777 			else {
1778 				iod->hdr.rc = 0;
1779 				copyout(iod, ioh, ifbuf->length);
1780 			}
1781 
1782 			rc = 0;
1783 			goto exit;
1784 		}
1785 		case BNXT_HWRM_NVM_ERASE_DIR_ENTRY:
1786 		{
1787 			struct bnxt_ioctl_hwrm_nvm_erase_dir_entry *erase =
1788 			    &iod->erase;
1789 
1790 			rc = bnxt_hwrm_nvm_erase_dir_entry(softc, erase->index);
1791 			if (rc) {
1792 				iod->hdr.rc = rc;
1793 				copyout(&iod->hdr.rc, &ioh->rc,
1794 				    sizeof(ioh->rc));
1795 			}
1796 			else {
1797 				iod->hdr.rc = 0;
1798 				copyout(iod, ioh, ifbuf->length);
1799 			}
1800 
1801 			rc = 0;
1802 			goto exit;
1803 		}
1804 		case BNXT_HWRM_NVM_GET_DIR_INFO:
1805 		{
1806 			struct bnxt_ioctl_hwrm_nvm_get_dir_info *info =
1807 			    &iod->dir_info;
1808 
1809 			rc = bnxt_hwrm_nvm_get_dir_info(softc, &info->entries,
1810 			    &info->entry_length);
1811 			if (rc) {
1812 				iod->hdr.rc = rc;
1813 				copyout(&iod->hdr.rc, &ioh->rc,
1814 				    sizeof(ioh->rc));
1815 			}
1816 			else {
1817 				iod->hdr.rc = 0;
1818 				copyout(iod, ioh, ifbuf->length);
1819 			}
1820 
1821 			rc = 0;
1822 			goto exit;
1823 		}
1824 		case BNXT_HWRM_NVM_GET_DIR_ENTRIES:
1825 		{
1826 			struct bnxt_ioctl_hwrm_nvm_get_dir_entries *get =
1827 			    &iod->dir_entries;
1828 			struct iflib_dma_info dma_data;
1829 
1830 			rc = iflib_dma_alloc(softc->ctx, get->max_size,
1831 			    &dma_data, BUS_DMA_NOWAIT);
1832 			if (rc)
1833 				break;
1834 			rc = bnxt_hwrm_nvm_get_dir_entries(softc, &get->entries,
1835 			    &get->entry_length, &dma_data);
1836 			if (rc) {
1837 				iod->hdr.rc = rc;
1838 				copyout(&iod->hdr.rc, &ioh->rc,
1839 				    sizeof(ioh->rc));
1840 			}
1841 			else {
1842 				copyout(dma_data.idi_vaddr, get->data,
1843 				    get->entry_length * get->entries);
1844 				iod->hdr.rc = 0;
1845 				copyout(iod, ioh, ifbuf->length);
1846 			}
1847 			iflib_dma_free(&dma_data);
1848 
1849 			rc = 0;
1850 			goto exit;
1851 		}
1852 		case BNXT_HWRM_NVM_VERIFY_UPDATE:
1853 		{
1854 			struct bnxt_ioctl_hwrm_nvm_verify_update *vrfy =
1855 			    &iod->verify;
1856 
1857 			rc = bnxt_hwrm_nvm_verify_update(softc, vrfy->type,
1858 			    vrfy->ordinal, vrfy->ext);
1859 			if (rc) {
1860 				iod->hdr.rc = rc;
1861 				copyout(&iod->hdr.rc, &ioh->rc,
1862 				    sizeof(ioh->rc));
1863 			}
1864 			else {
1865 				iod->hdr.rc = 0;
1866 				copyout(iod, ioh, ifbuf->length);
1867 			}
1868 
1869 			rc = 0;
1870 			goto exit;
1871 		}
1872 		case BNXT_HWRM_NVM_INSTALL_UPDATE:
1873 		{
1874 			struct bnxt_ioctl_hwrm_nvm_install_update *inst =
1875 			    &iod->install;
1876 
1877 			rc = bnxt_hwrm_nvm_install_update(softc,
1878 			    inst->install_type, &inst->installed_items,
1879 			    &inst->result, &inst->problem_item,
1880 			    &inst->reset_required);
1881 			if (rc) {
1882 				iod->hdr.rc = rc;
1883 				copyout(&iod->hdr.rc, &ioh->rc,
1884 				    sizeof(ioh->rc));
1885 			}
1886 			else {
1887 				iod->hdr.rc = 0;
1888 				copyout(iod, ioh, ifbuf->length);
1889 			}
1890 
1891 			rc = 0;
1892 			goto exit;
1893 		}
1894 		case BNXT_HWRM_NVM_MODIFY:
1895 		{
1896 			struct bnxt_ioctl_hwrm_nvm_modify *mod = &iod->modify;
1897 
1898 			rc = bnxt_hwrm_nvm_modify(softc, mod->index,
1899 			    mod->offset, mod->data, true, mod->length);
1900 			if (rc) {
1901 				iod->hdr.rc = rc;
1902 				copyout(&iod->hdr.rc, &ioh->rc,
1903 				    sizeof(ioh->rc));
1904 			}
1905 			else {
1906 				iod->hdr.rc = 0;
1907 				copyout(iod, ioh, ifbuf->length);
1908 			}
1909 
1910 			rc = 0;
1911 			goto exit;
1912 		}
1913 		case BNXT_HWRM_FW_GET_TIME:
1914 		{
1915 			struct bnxt_ioctl_hwrm_fw_get_time *gtm =
1916 			    &iod->get_time;
1917 
1918 			rc = bnxt_hwrm_fw_get_time(softc, &gtm->year,
1919 			    &gtm->month, &gtm->day, &gtm->hour, &gtm->minute,
1920 			    &gtm->second, &gtm->millisecond, &gtm->zone);
1921 			if (rc) {
1922 				iod->hdr.rc = rc;
1923 				copyout(&iod->hdr.rc, &ioh->rc,
1924 				    sizeof(ioh->rc));
1925 			}
1926 			else {
1927 				iod->hdr.rc = 0;
1928 				copyout(iod, ioh, ifbuf->length);
1929 			}
1930 
1931 			rc = 0;
1932 			goto exit;
1933 		}
1934 		case BNXT_HWRM_FW_SET_TIME:
1935 		{
1936 			struct bnxt_ioctl_hwrm_fw_set_time *stm =
1937 			    &iod->set_time;
1938 
1939 			rc = bnxt_hwrm_fw_set_time(softc, stm->year,
1940 			    stm->month, stm->day, stm->hour, stm->minute,
1941 			    stm->second, stm->millisecond, stm->zone);
1942 			if (rc) {
1943 				iod->hdr.rc = rc;
1944 				copyout(&iod->hdr.rc, &ioh->rc,
1945 				    sizeof(ioh->rc));
1946 			}
1947 			else {
1948 				iod->hdr.rc = 0;
1949 				copyout(iod, ioh, ifbuf->length);
1950 			}
1951 
1952 			rc = 0;
1953 			goto exit;
1954 		}
1955 		}
1956 		break;
1957 	}
1958 
1959 exit:
1960 	if (iod)
1961 		free(iod, M_DEVBUF);
1962 	return rc;
1963 }
1964 
1965 /*
1966  * Support functions
1967  */
1968 static int
1969 bnxt_probe_phy(struct bnxt_softc *softc)
1970 {
1971 	struct bnxt_link_info *link_info = &softc->link_info;
1972 	int rc = 0;
1973 
1974 	rc = bnxt_update_link(softc, false);
1975 	if (rc) {
1976 		device_printf(softc->dev,
1977 		    "Probe phy can't update link (rc: %x)\n", rc);
1978 		return (rc);
1979 	}
1980 
1981 	/*initialize the ethool setting copy with NVM settings */
1982 	if (link_info->auto_mode != HWRM_PORT_PHY_QCFG_OUTPUT_AUTO_MODE_NONE)
1983 		link_info->autoneg |= BNXT_AUTONEG_SPEED;
1984 
1985 	link_info->req_duplex = link_info->duplex_setting;
1986 	if (link_info->autoneg & BNXT_AUTONEG_SPEED)
1987 		link_info->req_link_speed = link_info->auto_link_speed;
1988 	else
1989 		link_info->req_link_speed = link_info->force_link_speed;
1990 	return (rc);
1991 }
1992 
1993 static void
1994 bnxt_add_media_types(struct bnxt_softc *softc)
1995 {
1996 	struct bnxt_link_info *link_info = &softc->link_info;
1997 	uint16_t supported;
1998 	uint8_t phy_type = get_phy_type(softc);
1999 
2000 	supported = link_info->support_speeds;
2001 
2002 	/* Auto is always supported */
2003 	ifmedia_add(softc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
2004 
2005 	if (softc->flags & BNXT_FLAG_NPAR)
2006 		return;
2007 
2008 	switch (phy_type) {
2009 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASECR4:
2010 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASECR4:
2011 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_L:
2012 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_S:
2013 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_N:
2014 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR:
2015 		BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_CR4);
2016 		BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_CR2);
2017 		BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_CR4);
2018 		BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_CR);
2019 		BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_CR1);
2020 		BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_T);
2021 		break;
2022 
2023 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASELR4:
2024 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASELR4:
2025 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASELR:
2026 		BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_LR4);
2027 		BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_LR4);
2028 		BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_LR);
2029 		BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_LR);
2030 		BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_LX);
2031 		break;
2032 
2033 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR10:
2034 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR4:
2035 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASESR4:
2036 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR:
2037 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASEER4:
2038 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASEER4:
2039 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASESR:
2040 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASESX:
2041 		BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_SR4);
2042 		BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_SR4);
2043 		BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_SR);
2044 		BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_SR);
2045 		BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SX);
2046 		break;
2047 
2048 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR4:
2049 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR2:
2050 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR:
2051 		BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_KR4);
2052 		BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_KR2);
2053 		BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_KR4);
2054 		BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_KR);
2055 		BNXT_IFMEDIA_ADD(supported, SPEEDS_20GB, IFM_20G_KR2);
2056 		BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR);
2057 		BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX);
2058 		break;
2059 
2060 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_ACTIVE_CABLE:
2061 		BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_ACC);
2062 		BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_AOC);
2063 		break;
2064 
2065 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASECX:
2066 		BNXT_IFMEDIA_ADD(supported, SPEEDS_1GBHD, IFM_1000_CX);
2067 		break;
2068 
2069 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASET:
2070 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET:
2071 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASETE:
2072 		BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_T);
2073 		BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_T);
2074 		BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_T);
2075 		BNXT_IFMEDIA_ADD(supported, SPEEDS_100MB, IFM_100_T);
2076 		BNXT_IFMEDIA_ADD(supported, SPEEDS_10MB, IFM_10_T);
2077 		break;
2078 
2079 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX:
2080 		BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR);
2081 		BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_KX);
2082 		BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX);
2083 		break;
2084 
2085 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_SGMIIEXTPHY:
2086 		BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SGMII);
2087 		break;
2088 
2089 	case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN:
2090 		/* Only Autoneg is supported for TYPE_UNKNOWN */
2091 		device_printf(softc->dev, "Unknown phy type\n");
2092 		break;
2093 
2094         default:
2095 		/* Only Autoneg is supported for new phy type values */
2096 		device_printf(softc->dev, "phy type %d not supported by driver\n", phy_type);
2097 		break;
2098 	}
2099 
2100 	return;
2101 }
2102 
2103 static int
2104 bnxt_map_bar(struct bnxt_softc *softc, struct bnxt_bar_info *bar, int bar_num, bool shareable)
2105 {
2106 	uint32_t	flag;
2107 
2108 	if (bar->res != NULL) {
2109 		device_printf(softc->dev, "Bar %d already mapped\n", bar_num);
2110 		return EDOOFUS;
2111 	}
2112 
2113 	bar->rid = PCIR_BAR(bar_num);
2114 	flag = RF_ACTIVE;
2115 	if (shareable)
2116 		flag |= RF_SHAREABLE;
2117 
2118 	if ((bar->res =
2119 		bus_alloc_resource_any(softc->dev,
2120 			   SYS_RES_MEMORY,
2121 			   &bar->rid,
2122 			   flag)) == NULL) {
2123 		device_printf(softc->dev,
2124 		    "PCI BAR%d mapping failure\n", bar_num);
2125 		return (ENXIO);
2126 	}
2127 	bar->tag = rman_get_bustag(bar->res);
2128 	bar->handle = rman_get_bushandle(bar->res);
2129 	bar->size = rman_get_size(bar->res);
2130 
2131 	return 0;
2132 }
2133 
2134 static int
2135 bnxt_pci_mapping(struct bnxt_softc *softc)
2136 {
2137 	int rc;
2138 
2139 	rc = bnxt_map_bar(softc, &softc->hwrm_bar, 0, true);
2140 	if (rc)
2141 		return rc;
2142 
2143 	rc = bnxt_map_bar(softc, &softc->doorbell_bar, 2, false);
2144 
2145 	return rc;
2146 }
2147 
2148 static void
2149 bnxt_pci_mapping_free(struct bnxt_softc *softc)
2150 {
2151 	if (softc->hwrm_bar.res != NULL)
2152 		bus_release_resource(softc->dev, SYS_RES_MEMORY,
2153 		    softc->hwrm_bar.rid, softc->hwrm_bar.res);
2154 	softc->hwrm_bar.res = NULL;
2155 
2156 	if (softc->doorbell_bar.res != NULL)
2157 		bus_release_resource(softc->dev, SYS_RES_MEMORY,
2158 		    softc->doorbell_bar.rid, softc->doorbell_bar.res);
2159 	softc->doorbell_bar.res = NULL;
2160 }
2161 
2162 static int
2163 bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state)
2164 {
2165 	struct bnxt_link_info *link_info = &softc->link_info;
2166 	uint8_t link_up = link_info->link_up;
2167 	int rc = 0;
2168 
2169 	rc = bnxt_hwrm_port_phy_qcfg(softc);
2170 	if (rc)
2171 		goto exit;
2172 
2173 	/* TODO: need to add more logic to report VF link */
2174 	if (chng_link_state) {
2175 		if (link_info->phy_link_status ==
2176 		    HWRM_PORT_PHY_QCFG_OUTPUT_LINK_LINK)
2177 			link_info->link_up = 1;
2178 		else
2179 			link_info->link_up = 0;
2180 		if (link_up != link_info->link_up)
2181 			bnxt_report_link(softc);
2182 	} else {
2183 		/* always link down if not require to update link state */
2184 		link_info->link_up = 0;
2185 	}
2186 
2187 exit:
2188 	return rc;
2189 }
2190 
2191 void
2192 bnxt_report_link(struct bnxt_softc *softc)
2193 {
2194 	struct bnxt_link_info *link_info = &softc->link_info;
2195 	const char *duplex = NULL, *flow_ctrl = NULL;
2196 
2197 	if (link_info->link_up == link_info->last_link_up) {
2198 		if (!link_info->link_up)
2199 			return;
2200 		if ((link_info->duplex == link_info->last_duplex) &&
2201                     (!(BNXT_IS_FLOW_CTRL_CHANGED(link_info))))
2202 			return;
2203 	}
2204 
2205 	if (link_info->link_up) {
2206 		if (link_info->duplex ==
2207 		    HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL)
2208 			duplex = "full duplex";
2209 		else
2210 			duplex = "half duplex";
2211 		if (link_info->flow_ctrl.tx & link_info->flow_ctrl.rx)
2212 			flow_ctrl = "FC - receive & transmit";
2213 		else if (link_info->flow_ctrl.tx)
2214 			flow_ctrl = "FC - transmit";
2215 		else if (link_info->flow_ctrl.rx)
2216 			flow_ctrl = "FC - receive";
2217 		else
2218 			flow_ctrl = "FC - none";
2219 		iflib_link_state_change(softc->ctx, LINK_STATE_UP,
2220 		    IF_Gbps(100));
2221 		device_printf(softc->dev, "Link is UP %s, %s - %d Mbps \n", duplex,
2222 		    flow_ctrl, (link_info->link_speed * 100));
2223 	} else {
2224 		iflib_link_state_change(softc->ctx, LINK_STATE_DOWN,
2225 		    bnxt_get_baudrate(&softc->link_info));
2226 		device_printf(softc->dev, "Link is Down\n");
2227 	}
2228 
2229 	link_info->last_link_up = link_info->link_up;
2230 	link_info->last_duplex = link_info->duplex;
2231 	link_info->last_flow_ctrl.tx = link_info->flow_ctrl.tx;
2232 	link_info->last_flow_ctrl.rx = link_info->flow_ctrl.rx;
2233 	link_info->last_flow_ctrl.autoneg = link_info->flow_ctrl.autoneg;
2234 	/* update media types */
2235 	ifmedia_removeall(softc->media);
2236 	bnxt_add_media_types(softc);
2237 	ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO);
2238 }
2239 
2240 static int
2241 bnxt_handle_rx_cp(void *arg)
2242 {
2243 	struct bnxt_cp_ring *cpr = arg;
2244 
2245 	/* Disable further interrupts for this queue */
2246 	BNXT_CP_DISABLE_DB(&cpr->ring);
2247 	return FILTER_SCHEDULE_THREAD;
2248 }
2249 
2250 static int
2251 bnxt_handle_def_cp(void *arg)
2252 {
2253 	struct bnxt_softc *softc = arg;
2254 
2255 	BNXT_CP_DISABLE_DB(&softc->def_cp_ring.ring);
2256 	GROUPTASK_ENQUEUE(&softc->def_cp_task);
2257 	return FILTER_HANDLED;
2258 }
2259 
2260 static void
2261 bnxt_clear_ids(struct bnxt_softc *softc)
2262 {
2263 	int i;
2264 
2265 	softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE;
2266 	softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2267 	for (i = 0; i < softc->ntxqsets; i++) {
2268 		softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
2269 		softc->tx_cp_rings[i].ring.phys_id =
2270 		    (uint16_t)HWRM_NA_SIGNATURE;
2271 		softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2272 	}
2273 	for (i = 0; i < softc->nrxqsets; i++) {
2274 		softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
2275 		softc->rx_cp_rings[i].ring.phys_id =
2276 		    (uint16_t)HWRM_NA_SIGNATURE;
2277 		softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2278 		softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2279 		softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE;
2280 	}
2281 	softc->vnic_info.filter_id = -1;
2282 	softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE;
2283 	softc->vnic_info.rss_id = (uint16_t)HWRM_NA_SIGNATURE;
2284 	memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff,
2285 	    softc->vnic_info.rss_grp_tbl.idi_size);
2286 }
2287 
2288 static void
2289 bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr)
2290 {
2291 	struct cmpl_base *cmp = (void *)cpr->ring.vaddr;
2292 	int i;
2293 
2294 	for (i = 0; i < cpr->ring.ring_size; i++)
2295 		cmp[i].info3_v = !cpr->v_bit;
2296 }
2297 
2298 static void
2299 bnxt_handle_async_event(struct bnxt_softc *softc, struct cmpl_base *cmpl)
2300 {
2301 	struct hwrm_async_event_cmpl *ae = (void *)cmpl;
2302 	uint16_t async_id = le16toh(ae->event_id);
2303 	struct ifmediareq ifmr;
2304 
2305 	switch (async_id) {
2306 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
2307 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
2308 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
2309 		bnxt_media_status(softc->ctx, &ifmr);
2310 		break;
2311 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_MTU_CHANGE:
2312 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE:
2313 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
2314 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_NOT_ALLOWED:
2315 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_UNLOAD:
2316 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_LOAD:
2317 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
2318 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_LOAD:
2319 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_FLR:
2320 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_MAC_ADDR_CHANGE:
2321 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_VF_COMM_STATUS_CHANGE:
2322 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
2323 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_HWRM_ERROR:
2324 		device_printf(softc->dev,
2325 		    "Unhandled async completion type %u\n", async_id);
2326 		break;
2327 	default:
2328 		device_printf(softc->dev,
2329 		    "Unknown async completion type %u\n", async_id);
2330 		break;
2331 	}
2332 }
2333 
2334 static void
2335 bnxt_def_cp_task(void *context)
2336 {
2337 	if_ctx_t ctx = context;
2338 	struct bnxt_softc *softc = iflib_get_softc(ctx);
2339 	struct bnxt_cp_ring *cpr = &softc->def_cp_ring;
2340 
2341 	/* Handle completions on the default completion ring */
2342 	struct cmpl_base *cmpl;
2343 	uint32_t cons = cpr->cons;
2344 	bool v_bit = cpr->v_bit;
2345 	bool last_v_bit;
2346 	uint32_t last_cons;
2347 	uint16_t type;
2348 
2349 	for (;;) {
2350 		last_cons = cons;
2351 		last_v_bit = v_bit;
2352 		NEXT_CP_CONS_V(&cpr->ring, cons, v_bit);
2353 		cmpl = &((struct cmpl_base *)cpr->ring.vaddr)[cons];
2354 
2355 		if (!CMP_VALID(cmpl, v_bit))
2356 			break;
2357 
2358 		type = le16toh(cmpl->type) & CMPL_BASE_TYPE_MASK;
2359 		switch (type) {
2360 		case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
2361 			bnxt_handle_async_event(softc, cmpl);
2362 			break;
2363 		case CMPL_BASE_TYPE_TX_L2:
2364 		case CMPL_BASE_TYPE_RX_L2:
2365 		case CMPL_BASE_TYPE_RX_AGG:
2366 		case CMPL_BASE_TYPE_RX_TPA_START:
2367 		case CMPL_BASE_TYPE_RX_TPA_END:
2368 		case CMPL_BASE_TYPE_STAT_EJECT:
2369 		case CMPL_BASE_TYPE_HWRM_DONE:
2370 		case CMPL_BASE_TYPE_HWRM_FWD_REQ:
2371 		case CMPL_BASE_TYPE_HWRM_FWD_RESP:
2372 		case CMPL_BASE_TYPE_CQ_NOTIFICATION:
2373 		case CMPL_BASE_TYPE_SRQ_EVENT:
2374 		case CMPL_BASE_TYPE_DBQ_EVENT:
2375 		case CMPL_BASE_TYPE_QP_EVENT:
2376 		case CMPL_BASE_TYPE_FUNC_EVENT:
2377 			device_printf(softc->dev,
2378 			    "Unhandled completion type %u\n", type);
2379 			break;
2380 		default:
2381 			device_printf(softc->dev,
2382 			    "Unknown completion type %u\n", type);
2383 			break;
2384 		}
2385 	}
2386 
2387 	cpr->cons = last_cons;
2388 	cpr->v_bit = last_v_bit;
2389 	BNXT_CP_IDX_ENABLE_DB(&cpr->ring, cpr->cons);
2390 }
2391 
2392 static uint8_t
2393 get_phy_type(struct bnxt_softc *softc)
2394 {
2395 	struct bnxt_link_info *link_info = &softc->link_info;
2396 	uint8_t phy_type = link_info->phy_type;
2397 	uint16_t supported;
2398 
2399 	if (phy_type != HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN)
2400 		return phy_type;
2401 
2402 	/* Deduce the phy type from the media type and supported speeds */
2403 	supported = link_info->support_speeds;
2404 
2405 	if (link_info->media_type ==
2406 	    HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_TP)
2407 		return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET;
2408 	if (link_info->media_type ==
2409 	    HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_DAC) {
2410 		if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_2_5GB)
2411 			return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX;
2412 		if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_20GB)
2413 			return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR;
2414 		return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR;
2415 	}
2416 	if (link_info->media_type ==
2417 	    HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_FIBRE)
2418 		return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR;
2419 
2420 	return phy_type;
2421 }
2422 
2423 bool
2424 bnxt_check_hwrm_version(struct bnxt_softc *softc)
2425 {
2426 	char buf[16];
2427 
2428 	sprintf(buf, "%hhu.%hhu.%hhu", softc->ver_info->hwrm_min_major,
2429 	    softc->ver_info->hwrm_min_minor, softc->ver_info->hwrm_min_update);
2430 	if (softc->ver_info->hwrm_min_major > softc->ver_info->hwrm_if_major) {
2431 		device_printf(softc->dev,
2432 		    "WARNING: HWRM version %s is too old (older than %s)\n",
2433 		    softc->ver_info->hwrm_if_ver, buf);
2434 		return false;
2435 	}
2436 	else if(softc->ver_info->hwrm_min_major ==
2437 	    softc->ver_info->hwrm_if_major) {
2438 		if (softc->ver_info->hwrm_min_minor >
2439 		    softc->ver_info->hwrm_if_minor) {
2440 			device_printf(softc->dev,
2441 			    "WARNING: HWRM version %s is too old (older than %s)\n",
2442 			    softc->ver_info->hwrm_if_ver, buf);
2443 			return false;
2444 		}
2445 		else if (softc->ver_info->hwrm_min_minor ==
2446 		    softc->ver_info->hwrm_if_minor) {
2447 			if (softc->ver_info->hwrm_min_update >
2448 			    softc->ver_info->hwrm_if_update) {
2449 				device_printf(softc->dev,
2450 				    "WARNING: HWRM version %s is too old (older than %s)\n",
2451 				    softc->ver_info->hwrm_if_ver, buf);
2452 				return false;
2453 			}
2454 		}
2455 	}
2456 	return true;
2457 }
2458 
2459 static uint64_t
2460 bnxt_get_baudrate(struct bnxt_link_info *link)
2461 {
2462 	switch (link->link_speed) {
2463 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100MB:
2464 		return IF_Mbps(100);
2465 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_1GB:
2466 		return IF_Gbps(1);
2467 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2GB:
2468 		return IF_Gbps(2);
2469 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2_5GB:
2470 		return IF_Mbps(2500);
2471 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10GB:
2472 		return IF_Gbps(10);
2473 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_20GB:
2474 		return IF_Gbps(20);
2475 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_25GB:
2476 		return IF_Gbps(25);
2477 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_40GB:
2478 		return IF_Gbps(40);
2479 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_50GB:
2480 		return IF_Gbps(50);
2481 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100GB:
2482 		return IF_Gbps(100);
2483 	case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10MB:
2484 		return IF_Mbps(10);
2485 	}
2486 	return IF_Gbps(100);
2487 }
2488 
2489 static void
2490 bnxt_get_wol_settings(struct bnxt_softc *softc)
2491 {
2492 	uint16_t wol_handle = 0;
2493 
2494 	if (!bnxt_wol_supported(softc))
2495 		return;
2496 
2497 	do {
2498 		wol_handle = bnxt_hwrm_get_wol_fltrs(softc, wol_handle);
2499 	} while (wol_handle && wol_handle != BNXT_NO_MORE_WOL_FILTERS);
2500 }
2501