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 #include <sys/param.h>
31 #include <sys/socket.h>
32 #include <sys/kernel.h>
33 #include <sys/bus.h>
34 #include <sys/module.h>
35 #include <sys/rman.h>
36 #include <sys/endian.h>
37 #include <sys/sockio.h>
38 #include <sys/priv.h>
39
40 #include <machine/bus.h>
41 #include <machine/resource.h>
42
43 #include <dev/pci/pcireg.h>
44
45 #include <net/if.h>
46 #include <net/if_dl.h>
47 #include <net/if_media.h>
48 #include <net/if_var.h>
49 #include <net/ethernet.h>
50 #include <net/iflib.h>
51
52 #include <linux/pci.h>
53 #include <linux/kmod.h>
54 #include <linux/module.h>
55 #include <linux/delay.h>
56 #include <linux/idr.h>
57 #include <linux/netdevice.h>
58 #include <linux/etherdevice.h>
59 #include <linux/rcupdate.h>
60 #include "opt_inet.h"
61 #include "opt_inet6.h"
62 #include "opt_rss.h"
63
64 #include "ifdi_if.h"
65
66 #include "bnxt.h"
67 #include "bnxt_hwrm.h"
68 #include "bnxt_ioctl.h"
69 #include "bnxt_sysctl.h"
70 #include "hsi_struct_def.h"
71 #include "bnxt_mgmt.h"
72 #include "bnxt_ulp.h"
73 #include "bnxt_auxbus_compat.h"
74
75 /*
76 * PCI Device ID Table
77 */
78
79 static const pci_vendor_info_t bnxt_vendor_info_array[] =
80 {
81 PVID(BROADCOM_VENDOR_ID, BCM57301,
82 "Broadcom BCM57301 NetXtreme-C 10Gb Ethernet Controller"),
83 PVID(BROADCOM_VENDOR_ID, BCM57302,
84 "Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet Controller"),
85 PVID(BROADCOM_VENDOR_ID, BCM57304,
86 "Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet Controller"),
87 PVID(BROADCOM_VENDOR_ID, BCM57311,
88 "Broadcom BCM57311 NetXtreme-C 10Gb Ethernet"),
89 PVID(BROADCOM_VENDOR_ID, BCM57312,
90 "Broadcom BCM57312 NetXtreme-C 10Gb/25Gb Ethernet"),
91 PVID(BROADCOM_VENDOR_ID, BCM57314,
92 "Broadcom BCM57314 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet"),
93 PVID(BROADCOM_VENDOR_ID, BCM57402,
94 "Broadcom BCM57402 NetXtreme-E 10Gb Ethernet Controller"),
95 PVID(BROADCOM_VENDOR_ID, BCM57402_NPAR,
96 "Broadcom BCM57402 NetXtreme-E Partition"),
97 PVID(BROADCOM_VENDOR_ID, BCM57404,
98 "Broadcom BCM57404 NetXtreme-E 10Gb/25Gb Ethernet Controller"),
99 PVID(BROADCOM_VENDOR_ID, BCM57404_NPAR,
100 "Broadcom BCM57404 NetXtreme-E Partition"),
101 PVID(BROADCOM_VENDOR_ID, BCM57406,
102 "Broadcom BCM57406 NetXtreme-E 10GBase-T Ethernet Controller"),
103 PVID(BROADCOM_VENDOR_ID, BCM57406_NPAR,
104 "Broadcom BCM57406 NetXtreme-E Partition"),
105 PVID(BROADCOM_VENDOR_ID, BCM57407,
106 "Broadcom BCM57407 NetXtreme-E 10GBase-T Ethernet Controller"),
107 PVID(BROADCOM_VENDOR_ID, BCM57407_NPAR,
108 "Broadcom BCM57407 NetXtreme-E Ethernet Partition"),
109 PVID(BROADCOM_VENDOR_ID, BCM57407_SFP,
110 "Broadcom BCM57407 NetXtreme-E 25Gb Ethernet Controller"),
111 PVID(BROADCOM_VENDOR_ID, BCM57412,
112 "Broadcom BCM57412 NetXtreme-E 10Gb Ethernet"),
113 PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR1,
114 "Broadcom BCM57412 NetXtreme-E Ethernet Partition"),
115 PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR2,
116 "Broadcom BCM57412 NetXtreme-E Ethernet Partition"),
117 PVID(BROADCOM_VENDOR_ID, BCM57414,
118 "Broadcom BCM57414 NetXtreme-E 10Gb/25Gb Ethernet"),
119 PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR1,
120 "Broadcom BCM57414 NetXtreme-E Ethernet Partition"),
121 PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR2,
122 "Broadcom BCM57414 NetXtreme-E Ethernet Partition"),
123 PVID(BROADCOM_VENDOR_ID, BCM57416,
124 "Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet"),
125 PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR1,
126 "Broadcom BCM57416 NetXtreme-E Ethernet Partition"),
127 PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR2,
128 "Broadcom BCM57416 NetXtreme-E Ethernet Partition"),
129 PVID(BROADCOM_VENDOR_ID, BCM57416_SFP,
130 "Broadcom BCM57416 NetXtreme-E 10Gb Ethernet"),
131 PVID(BROADCOM_VENDOR_ID, BCM57417,
132 "Broadcom BCM57417 NetXtreme-E 10GBase-T Ethernet"),
133 PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR1,
134 "Broadcom BCM57417 NetXtreme-E Ethernet Partition"),
135 PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR2,
136 "Broadcom BCM57417 NetXtreme-E Ethernet Partition"),
137 PVID(BROADCOM_VENDOR_ID, BCM57417_SFP,
138 "Broadcom BCM57417 NetXtreme-E 10Gb/25Gb Ethernet"),
139 PVID(BROADCOM_VENDOR_ID, BCM57454,
140 "Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet"),
141 PVID(BROADCOM_VENDOR_ID, BCM58700,
142 "Broadcom BCM58700 Nitro 1Gb/2.5Gb/10Gb Ethernet"),
143 PVID(BROADCOM_VENDOR_ID, BCM57508,
144 "Broadcom BCM57508 NetXtreme-E 10Gb/25Gb/50Gb/100Gb/200Gb Ethernet"),
145 PVID(BROADCOM_VENDOR_ID, BCM57504,
146 "Broadcom BCM57504 NetXtreme-E 10Gb/25Gb/50Gb/100Gb/200Gb Ethernet"),
147 PVID(BROADCOM_VENDOR_ID, BCM57502,
148 "Broadcom BCM57502 NetXtreme-E 10Gb/25Gb/50Gb/100Gb/200Gb Ethernet"),
149 PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF1,
150 "Broadcom NetXtreme-C Ethernet Virtual Function"),
151 PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF2,
152 "Broadcom NetXtreme-C Ethernet Virtual Function"),
153 PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF3,
154 "Broadcom NetXtreme-C Ethernet Virtual Function"),
155 PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF1,
156 "Broadcom NetXtreme-E Ethernet Virtual Function"),
157 PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF2,
158 "Broadcom NetXtreme-E Ethernet Virtual Function"),
159 PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF3,
160 "Broadcom NetXtreme-E Ethernet Virtual Function"),
161 /* required last entry */
162
163 PVID_END
164 };
165
166 /*
167 * Function prototypes
168 */
169
170 SLIST_HEAD(softc_list, bnxt_softc_list) pf_list;
171 int bnxt_num_pfs = 0;
172
173 void
174 process_nq(struct bnxt_softc *softc, uint16_t nqid);
175 static void *bnxt_register(device_t dev);
176
177 /* Soft queue setup and teardown */
178 static int bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
179 uint64_t *paddrs, int ntxqs, int ntxqsets);
180 static int bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
181 uint64_t *paddrs, int nrxqs, int nrxqsets);
182 static void bnxt_queues_free(if_ctx_t ctx);
183
184 /* Device setup and teardown */
185 static int bnxt_attach_pre(if_ctx_t ctx);
186 static int bnxt_attach_post(if_ctx_t ctx);
187 static int bnxt_detach(if_ctx_t ctx);
188
189 /* Device configuration */
190 static void bnxt_init(if_ctx_t ctx);
191 static void bnxt_stop(if_ctx_t ctx);
192 static void bnxt_multi_set(if_ctx_t ctx);
193 static int bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu);
194 static void bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr);
195 static int bnxt_media_change(if_ctx_t ctx);
196 static int bnxt_promisc_set(if_ctx_t ctx, int flags);
197 static uint64_t bnxt_get_counter(if_ctx_t, ift_counter);
198 static void bnxt_update_admin_status(if_ctx_t ctx);
199 static void bnxt_if_timer(if_ctx_t ctx, uint16_t qid);
200
201 /* Interrupt enable / disable */
202 static void bnxt_intr_enable(if_ctx_t ctx);
203 static int bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
204 static int bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
205 static void bnxt_disable_intr(if_ctx_t ctx);
206 static int bnxt_msix_intr_assign(if_ctx_t ctx, int msix);
207
208 /* vlan support */
209 static void bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag);
210 static void bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag);
211
212 /* ioctl */
213 static int bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data);
214
215 static int bnxt_shutdown(if_ctx_t ctx);
216 static int bnxt_suspend(if_ctx_t ctx);
217 static int bnxt_resume(if_ctx_t ctx);
218
219 /* Internal support functions */
220 static int bnxt_probe_phy(struct bnxt_softc *softc);
221 static void bnxt_add_media_types(struct bnxt_softc *softc);
222 static int bnxt_pci_mapping(struct bnxt_softc *softc);
223 static void bnxt_pci_mapping_free(struct bnxt_softc *softc);
224 static int bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state);
225 static int bnxt_handle_def_cp(void *arg);
226 static int bnxt_handle_isr(void *arg);
227 static void bnxt_clear_ids(struct bnxt_softc *softc);
228 static void inline bnxt_do_enable_intr(struct bnxt_cp_ring *cpr);
229 static void inline bnxt_do_disable_intr(struct bnxt_cp_ring *cpr);
230 static void bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr);
231 static void bnxt_def_cp_task(void *context);
232 static void bnxt_handle_async_event(struct bnxt_softc *softc,
233 struct cmpl_base *cmpl);
234 static uint64_t bnxt_get_baudrate(struct bnxt_link_info *link);
235 static void bnxt_get_wol_settings(struct bnxt_softc *softc);
236 static int bnxt_wol_config(if_ctx_t ctx);
237 static bool bnxt_if_needs_restart(if_ctx_t, enum iflib_restart_event);
238 static int bnxt_i2c_req(if_ctx_t ctx, struct ifi2creq *i2c);
239 static void bnxt_get_port_module_status(struct bnxt_softc *softc);
240 static void bnxt_rdma_aux_device_init(struct bnxt_softc *softc);
241 static void bnxt_rdma_aux_device_uninit(struct bnxt_softc *softc);
242 static void bnxt_queue_fw_reset_work(struct bnxt_softc *bp, unsigned long delay);
243 void bnxt_queue_sp_work(struct bnxt_softc *bp);
244
245 void bnxt_fw_reset(struct bnxt_softc *bp);
246 /*
247 * Device Interface Declaration
248 */
249
250 static device_method_t bnxt_methods[] = {
251 /* Device interface */
252 DEVMETHOD(device_register, bnxt_register),
253 DEVMETHOD(device_probe, iflib_device_probe),
254 DEVMETHOD(device_attach, iflib_device_attach),
255 DEVMETHOD(device_detach, iflib_device_detach),
256 DEVMETHOD(device_shutdown, iflib_device_shutdown),
257 DEVMETHOD(device_suspend, iflib_device_suspend),
258 DEVMETHOD(device_resume, iflib_device_resume),
259 DEVMETHOD_END
260 };
261
262 static driver_t bnxt_driver = {
263 "bnxt", bnxt_methods, sizeof(struct bnxt_softc),
264 };
265
266 DRIVER_MODULE(bnxt, pci, bnxt_driver, 0, 0);
267
268 MODULE_LICENSE("Dual BSD/GPL");
269 MODULE_DEPEND(if_bnxt, pci, 1, 1, 1);
270 MODULE_DEPEND(if_bnxt, ether, 1, 1, 1);
271 MODULE_DEPEND(if_bnxt, iflib, 1, 1, 1);
272 MODULE_DEPEND(if_bnxt, linuxkpi, 1, 1, 1);
273 MODULE_VERSION(if_bnxt, 1);
274
275 IFLIB_PNP_INFO(pci, bnxt, bnxt_vendor_info_array);
276
277 void writel_fbsd(struct bnxt_softc *bp, u32, u8, u32);
278 u32 readl_fbsd(struct bnxt_softc *bp, u32, u8);
279
readl_fbsd(struct bnxt_softc * bp,u32 reg_off,u8 bar_idx)280 u32 readl_fbsd(struct bnxt_softc *bp, u32 reg_off, u8 bar_idx)
281 {
282
283 if (!bar_idx)
284 return bus_space_read_4(bp->doorbell_bar.tag, bp->doorbell_bar.handle, reg_off);
285 else
286 return bus_space_read_4(bp->hwrm_bar.tag, bp->hwrm_bar.handle, reg_off);
287 }
288
writel_fbsd(struct bnxt_softc * bp,u32 reg_off,u8 bar_idx,u32 val)289 void writel_fbsd(struct bnxt_softc *bp, u32 reg_off, u8 bar_idx, u32 val)
290 {
291
292 if (!bar_idx)
293 bus_space_write_4(bp->doorbell_bar.tag, bp->doorbell_bar.handle, reg_off, htole32(val));
294 else
295 bus_space_write_4(bp->hwrm_bar.tag, bp->hwrm_bar.handle, reg_off, htole32(val));
296 }
297
298 static DEFINE_IDA(bnxt_aux_dev_ids);
299
300 static device_method_t bnxt_iflib_methods[] = {
301 DEVMETHOD(ifdi_tx_queues_alloc, bnxt_tx_queues_alloc),
302 DEVMETHOD(ifdi_rx_queues_alloc, bnxt_rx_queues_alloc),
303 DEVMETHOD(ifdi_queues_free, bnxt_queues_free),
304
305 DEVMETHOD(ifdi_attach_pre, bnxt_attach_pre),
306 DEVMETHOD(ifdi_attach_post, bnxt_attach_post),
307 DEVMETHOD(ifdi_detach, bnxt_detach),
308
309 DEVMETHOD(ifdi_init, bnxt_init),
310 DEVMETHOD(ifdi_stop, bnxt_stop),
311 DEVMETHOD(ifdi_multi_set, bnxt_multi_set),
312 DEVMETHOD(ifdi_mtu_set, bnxt_mtu_set),
313 DEVMETHOD(ifdi_media_status, bnxt_media_status),
314 DEVMETHOD(ifdi_media_change, bnxt_media_change),
315 DEVMETHOD(ifdi_promisc_set, bnxt_promisc_set),
316 DEVMETHOD(ifdi_get_counter, bnxt_get_counter),
317 DEVMETHOD(ifdi_update_admin_status, bnxt_update_admin_status),
318 DEVMETHOD(ifdi_timer, bnxt_if_timer),
319
320 DEVMETHOD(ifdi_intr_enable, bnxt_intr_enable),
321 DEVMETHOD(ifdi_tx_queue_intr_enable, bnxt_tx_queue_intr_enable),
322 DEVMETHOD(ifdi_rx_queue_intr_enable, bnxt_rx_queue_intr_enable),
323 DEVMETHOD(ifdi_intr_disable, bnxt_disable_intr),
324 DEVMETHOD(ifdi_msix_intr_assign, bnxt_msix_intr_assign),
325
326 DEVMETHOD(ifdi_vlan_register, bnxt_vlan_register),
327 DEVMETHOD(ifdi_vlan_unregister, bnxt_vlan_unregister),
328
329 DEVMETHOD(ifdi_priv_ioctl, bnxt_priv_ioctl),
330
331 DEVMETHOD(ifdi_suspend, bnxt_suspend),
332 DEVMETHOD(ifdi_shutdown, bnxt_shutdown),
333 DEVMETHOD(ifdi_resume, bnxt_resume),
334 DEVMETHOD(ifdi_i2c_req, bnxt_i2c_req),
335
336 DEVMETHOD(ifdi_needs_restart, bnxt_if_needs_restart),
337
338 DEVMETHOD_END
339 };
340
341 static driver_t bnxt_iflib_driver = {
342 "bnxt", bnxt_iflib_methods, sizeof(struct bnxt_softc)
343 };
344
345 /*
346 * iflib shared context
347 */
348
349 #define BNXT_DRIVER_VERSION "230.0.133.0"
350 const char bnxt_driver_version[] = BNXT_DRIVER_VERSION;
351 extern struct if_txrx bnxt_txrx;
352 static struct if_shared_ctx bnxt_sctx_init = {
353 .isc_magic = IFLIB_MAGIC,
354 .isc_driver = &bnxt_iflib_driver,
355 .isc_nfl = 2, // Number of Free Lists
356 .isc_flags = IFLIB_HAS_RXCQ | IFLIB_HAS_TXCQ | IFLIB_NEED_ETHER_PAD,
357 .isc_q_align = PAGE_SIZE,
358 .isc_tx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
359 .isc_tx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
360 .isc_tso_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
361 .isc_tso_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
362 .isc_rx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
363 .isc_rx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
364
365 // Only use a single segment to avoid page size constraints
366 .isc_rx_nsegments = 1,
367 .isc_ntxqs = 3,
368 .isc_nrxqs = 3,
369 .isc_nrxd_min = {16, 16, 16},
370 .isc_nrxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 8,
371 PAGE_SIZE / sizeof(struct rx_prod_pkt_bd),
372 PAGE_SIZE / sizeof(struct rx_prod_pkt_bd)},
373 .isc_nrxd_max = {BNXT_MAX_RXD, BNXT_MAX_RXD, BNXT_MAX_RXD},
374 .isc_ntxd_min = {16, 16, 16},
375 .isc_ntxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 2,
376 PAGE_SIZE / sizeof(struct tx_bd_short),
377 /* NQ depth 4096 */
378 PAGE_SIZE / sizeof(struct cmpl_base) * 16},
379 .isc_ntxd_max = {BNXT_MAX_TXD, BNXT_MAX_TXD, BNXT_MAX_TXD},
380
381 .isc_admin_intrcnt = BNXT_ROCE_IRQ_COUNT,
382 .isc_vendor_info = bnxt_vendor_info_array,
383 .isc_driver_version = bnxt_driver_version,
384 };
385
386 #define PCI_SUBSYSTEM_ID 0x2e
387 static struct workqueue_struct *bnxt_pf_wq;
388
389 extern void bnxt_destroy_irq(struct bnxt_softc *softc);
390
391 /*
392 * Device Methods
393 */
394
395 static void *
bnxt_register(device_t dev)396 bnxt_register(device_t dev)
397 {
398 return (&bnxt_sctx_init);
399 }
400
401 static void
bnxt_nq_alloc(struct bnxt_softc * softc,int nqsets)402 bnxt_nq_alloc(struct bnxt_softc *softc, int nqsets)
403 {
404
405 if (softc->nq_rings)
406 return;
407
408 softc->nq_rings = malloc(sizeof(struct bnxt_cp_ring) * nqsets,
409 M_DEVBUF, M_NOWAIT | M_ZERO);
410 }
411
412 static void
bnxt_nq_free(struct bnxt_softc * softc)413 bnxt_nq_free(struct bnxt_softc *softc)
414 {
415
416 if (softc->nq_rings)
417 free(softc->nq_rings, M_DEVBUF);
418 softc->nq_rings = NULL;
419 }
420
421 /*
422 * Device Dependent Configuration Functions
423 */
424
425 /* Soft queue setup and teardown */
426 static int
bnxt_tx_queues_alloc(if_ctx_t ctx,caddr_t * vaddrs,uint64_t * paddrs,int ntxqs,int ntxqsets)427 bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
428 uint64_t *paddrs, int ntxqs, int ntxqsets)
429 {
430 struct bnxt_softc *softc;
431 int i;
432 int rc;
433
434 softc = iflib_get_softc(ctx);
435
436 if (BNXT_CHIP_P5(softc)) {
437 bnxt_nq_alloc(softc, ntxqsets);
438 if (!softc->nq_rings) {
439 device_printf(iflib_get_dev(ctx),
440 "unable to allocate NQ rings\n");
441 rc = ENOMEM;
442 goto nq_alloc_fail;
443 }
444 }
445
446 softc->tx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * ntxqsets,
447 M_DEVBUF, M_NOWAIT | M_ZERO);
448 if (!softc->tx_cp_rings) {
449 device_printf(iflib_get_dev(ctx),
450 "unable to allocate TX completion rings\n");
451 rc = ENOMEM;
452 goto cp_alloc_fail;
453 }
454 softc->tx_rings = malloc(sizeof(struct bnxt_ring) * ntxqsets,
455 M_DEVBUF, M_NOWAIT | M_ZERO);
456 if (!softc->tx_rings) {
457 device_printf(iflib_get_dev(ctx),
458 "unable to allocate TX rings\n");
459 rc = ENOMEM;
460 goto ring_alloc_fail;
461 }
462
463 for (i=0; i < ntxqsets; i++) {
464 rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats),
465 &softc->tx_stats[i], 0);
466 if (rc)
467 goto dma_alloc_fail;
468 bus_dmamap_sync(softc->tx_stats[i].idi_tag, softc->tx_stats[i].idi_map,
469 BUS_DMASYNC_PREREAD);
470 }
471
472 for (i = 0; i < ntxqsets; i++) {
473 /* Set up the completion ring */
474 softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
475 softc->tx_cp_rings[i].ring.phys_id =
476 (uint16_t)HWRM_NA_SIGNATURE;
477 softc->tx_cp_rings[i].ring.softc = softc;
478 softc->tx_cp_rings[i].ring.idx = i;
479 softc->tx_cp_rings[i].ring.id =
480 (softc->scctx->isc_nrxqsets * 2) + 1 + i;
481 softc->tx_cp_rings[i].ring.doorbell = (BNXT_CHIP_P5(softc)) ?
482 DB_PF_OFFSET_P5: softc->tx_cp_rings[i].ring.id * 0x80;
483 softc->tx_cp_rings[i].ring.ring_size =
484 softc->scctx->isc_ntxd[0];
485 softc->tx_cp_rings[i].ring.vaddr = vaddrs[i * ntxqs];
486 softc->tx_cp_rings[i].ring.paddr = paddrs[i * ntxqs];
487
488 /* Set up the TX ring */
489 softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
490 softc->tx_rings[i].softc = softc;
491 softc->tx_rings[i].idx = i;
492 softc->tx_rings[i].id =
493 (softc->scctx->isc_nrxqsets * 2) + 1 + i;
494 softc->tx_rings[i].doorbell = (BNXT_CHIP_P5(softc)) ?
495 DB_PF_OFFSET_P5 : softc->tx_rings[i].id * 0x80;
496 softc->tx_rings[i].ring_size = softc->scctx->isc_ntxd[1];
497 softc->tx_rings[i].vaddr = vaddrs[i * ntxqs + 1];
498 softc->tx_rings[i].paddr = paddrs[i * ntxqs + 1];
499
500 bnxt_create_tx_sysctls(softc, i);
501
502 if (BNXT_CHIP_P5(softc)) {
503 /* Set up the Notification ring (NQ) */
504 softc->nq_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
505 softc->nq_rings[i].ring.phys_id =
506 (uint16_t)HWRM_NA_SIGNATURE;
507 softc->nq_rings[i].ring.softc = softc;
508 softc->nq_rings[i].ring.idx = i;
509 softc->nq_rings[i].ring.id = i;
510 softc->nq_rings[i].ring.doorbell = (BNXT_CHIP_P5(softc)) ?
511 DB_PF_OFFSET_P5 : softc->nq_rings[i].ring.id * 0x80;
512 softc->nq_rings[i].ring.ring_size = softc->scctx->isc_ntxd[2];
513 softc->nq_rings[i].ring.vaddr = vaddrs[i * ntxqs + 2];
514 softc->nq_rings[i].ring.paddr = paddrs[i * ntxqs + 2];
515 }
516 }
517
518 softc->ntxqsets = ntxqsets;
519 return rc;
520
521 dma_alloc_fail:
522 for (i = i - 1; i >= 0; i--)
523 iflib_dma_free(&softc->tx_stats[i]);
524 free(softc->tx_rings, M_DEVBUF);
525 ring_alloc_fail:
526 free(softc->tx_cp_rings, M_DEVBUF);
527 cp_alloc_fail:
528 bnxt_nq_free(softc);
529 nq_alloc_fail:
530 return rc;
531 }
532
533 static void
bnxt_queues_free(if_ctx_t ctx)534 bnxt_queues_free(if_ctx_t ctx)
535 {
536 struct bnxt_softc *softc = iflib_get_softc(ctx);
537 int i;
538
539 // Free TX queues
540 for (i=0; i<softc->ntxqsets; i++)
541 iflib_dma_free(&softc->tx_stats[i]);
542 free(softc->tx_rings, M_DEVBUF);
543 softc->tx_rings = NULL;
544 free(softc->tx_cp_rings, M_DEVBUF);
545 softc->tx_cp_rings = NULL;
546 softc->ntxqsets = 0;
547
548 // Free RX queues
549 for (i=0; i<softc->nrxqsets; i++)
550 iflib_dma_free(&softc->rx_stats[i]);
551 iflib_dma_free(&softc->hw_tx_port_stats);
552 iflib_dma_free(&softc->hw_rx_port_stats);
553 iflib_dma_free(&softc->hw_tx_port_stats_ext);
554 iflib_dma_free(&softc->hw_rx_port_stats_ext);
555 free(softc->grp_info, M_DEVBUF);
556 free(softc->ag_rings, M_DEVBUF);
557 free(softc->rx_rings, M_DEVBUF);
558 free(softc->rx_cp_rings, M_DEVBUF);
559 bnxt_nq_free(softc);
560 }
561
562 static int
bnxt_rx_queues_alloc(if_ctx_t ctx,caddr_t * vaddrs,uint64_t * paddrs,int nrxqs,int nrxqsets)563 bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
564 uint64_t *paddrs, int nrxqs, int nrxqsets)
565 {
566 struct bnxt_softc *softc;
567 int i;
568 int rc;
569
570 softc = iflib_get_softc(ctx);
571
572 softc->rx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * nrxqsets,
573 M_DEVBUF, M_NOWAIT | M_ZERO);
574 if (!softc->rx_cp_rings) {
575 device_printf(iflib_get_dev(ctx),
576 "unable to allocate RX completion rings\n");
577 rc = ENOMEM;
578 goto cp_alloc_fail;
579 }
580 softc->rx_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets,
581 M_DEVBUF, M_NOWAIT | M_ZERO);
582 if (!softc->rx_rings) {
583 device_printf(iflib_get_dev(ctx),
584 "unable to allocate RX rings\n");
585 rc = ENOMEM;
586 goto ring_alloc_fail;
587 }
588 softc->ag_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets,
589 M_DEVBUF, M_NOWAIT | M_ZERO);
590 if (!softc->ag_rings) {
591 device_printf(iflib_get_dev(ctx),
592 "unable to allocate aggregation rings\n");
593 rc = ENOMEM;
594 goto ag_alloc_fail;
595 }
596 softc->grp_info = malloc(sizeof(struct bnxt_grp_info) * nrxqsets,
597 M_DEVBUF, M_NOWAIT | M_ZERO);
598 if (!softc->grp_info) {
599 device_printf(iflib_get_dev(ctx),
600 "unable to allocate ring groups\n");
601 rc = ENOMEM;
602 goto grp_alloc_fail;
603 }
604
605 for (i=0; i < nrxqsets; i++) {
606 rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats),
607 &softc->rx_stats[i], 0);
608 if (rc)
609 goto hw_stats_alloc_fail;
610 bus_dmamap_sync(softc->rx_stats[i].idi_tag, softc->rx_stats[i].idi_map,
611 BUS_DMASYNC_PREREAD);
612 }
613
614 /*
615 * Additional 512 bytes for future expansion.
616 * To prevent corruption when loaded with newer firmwares with added counters.
617 * This can be deleted when there will be no further additions of counters.
618 */
619 #define BNXT_PORT_STAT_PADDING 512
620
621 rc = iflib_dma_alloc(ctx, sizeof(struct rx_port_stats) + BNXT_PORT_STAT_PADDING,
622 &softc->hw_rx_port_stats, 0);
623 if (rc)
624 goto hw_port_rx_stats_alloc_fail;
625
626 bus_dmamap_sync(softc->hw_rx_port_stats.idi_tag,
627 softc->hw_rx_port_stats.idi_map, BUS_DMASYNC_PREREAD);
628
629
630 rc = iflib_dma_alloc(ctx, sizeof(struct tx_port_stats) + BNXT_PORT_STAT_PADDING,
631 &softc->hw_tx_port_stats, 0);
632 if (rc)
633 goto hw_port_tx_stats_alloc_fail;
634
635 bus_dmamap_sync(softc->hw_tx_port_stats.idi_tag,
636 softc->hw_tx_port_stats.idi_map, BUS_DMASYNC_PREREAD);
637
638 softc->rx_port_stats = (void *) softc->hw_rx_port_stats.idi_vaddr;
639 softc->tx_port_stats = (void *) softc->hw_tx_port_stats.idi_vaddr;
640
641
642 rc = iflib_dma_alloc(ctx, sizeof(struct rx_port_stats_ext),
643 &softc->hw_rx_port_stats_ext, 0);
644 if (rc)
645 goto hw_port_rx_stats_ext_alloc_fail;
646
647 bus_dmamap_sync(softc->hw_rx_port_stats_ext.idi_tag,
648 softc->hw_rx_port_stats_ext.idi_map, BUS_DMASYNC_PREREAD);
649
650 rc = iflib_dma_alloc(ctx, sizeof(struct tx_port_stats_ext),
651 &softc->hw_tx_port_stats_ext, 0);
652 if (rc)
653 goto hw_port_tx_stats_ext_alloc_fail;
654
655 bus_dmamap_sync(softc->hw_tx_port_stats_ext.idi_tag,
656 softc->hw_tx_port_stats_ext.idi_map, BUS_DMASYNC_PREREAD);
657
658 softc->rx_port_stats_ext = (void *) softc->hw_rx_port_stats_ext.idi_vaddr;
659 softc->tx_port_stats_ext = (void *) softc->hw_tx_port_stats_ext.idi_vaddr;
660
661 for (i = 0; i < nrxqsets; i++) {
662 /* Allocation the completion ring */
663 softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
664 softc->rx_cp_rings[i].ring.phys_id =
665 (uint16_t)HWRM_NA_SIGNATURE;
666 softc->rx_cp_rings[i].ring.softc = softc;
667 softc->rx_cp_rings[i].ring.idx = i;
668 softc->rx_cp_rings[i].ring.id = i + 1;
669 softc->rx_cp_rings[i].ring.doorbell = (BNXT_CHIP_P5(softc)) ?
670 DB_PF_OFFSET_P5 : softc->rx_cp_rings[i].ring.id * 0x80;
671 /*
672 * If this ring overflows, RX stops working.
673 */
674 softc->rx_cp_rings[i].ring.ring_size =
675 softc->scctx->isc_nrxd[0];
676 softc->rx_cp_rings[i].ring.vaddr = vaddrs[i * nrxqs];
677 softc->rx_cp_rings[i].ring.paddr = paddrs[i * nrxqs];
678
679 /* Allocate the RX ring */
680 softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
681 softc->rx_rings[i].softc = softc;
682 softc->rx_rings[i].idx = i;
683 softc->rx_rings[i].id = i + 1;
684 softc->rx_rings[i].doorbell = (BNXT_CHIP_P5(softc)) ?
685 DB_PF_OFFSET_P5 : softc->rx_rings[i].id * 0x80;
686 softc->rx_rings[i].ring_size = softc->scctx->isc_nrxd[1];
687 softc->rx_rings[i].vaddr = vaddrs[i * nrxqs + 1];
688 softc->rx_rings[i].paddr = paddrs[i * nrxqs + 1];
689
690 /* Allocate the TPA start buffer */
691 softc->rx_rings[i].tpa_start = malloc(sizeof(struct bnxt_full_tpa_start) *
692 (RX_TPA_START_CMPL_AGG_ID_MASK >> RX_TPA_START_CMPL_AGG_ID_SFT),
693 M_DEVBUF, M_NOWAIT | M_ZERO);
694 if (softc->rx_rings[i].tpa_start == NULL) {
695 rc = -ENOMEM;
696 device_printf(softc->dev,
697 "Unable to allocate space for TPA\n");
698 goto tpa_alloc_fail;
699 }
700 /* Allocate the AG ring */
701 softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
702 softc->ag_rings[i].softc = softc;
703 softc->ag_rings[i].idx = i;
704 softc->ag_rings[i].id = nrxqsets + i + 1;
705 softc->ag_rings[i].doorbell = (BNXT_CHIP_P5(softc)) ?
706 DB_PF_OFFSET_P5 : softc->ag_rings[i].id * 0x80;
707 softc->ag_rings[i].ring_size = softc->scctx->isc_nrxd[2];
708 softc->ag_rings[i].vaddr = vaddrs[i * nrxqs + 2];
709 softc->ag_rings[i].paddr = paddrs[i * nrxqs + 2];
710
711 /* Allocate the ring group */
712 softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE;
713 softc->grp_info[i].stats_ctx =
714 softc->rx_cp_rings[i].stats_ctx_id;
715 softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id;
716 softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id;
717 softc->grp_info[i].cp_ring_id =
718 softc->rx_cp_rings[i].ring.phys_id;
719
720 bnxt_create_rx_sysctls(softc, i);
721 }
722
723 /*
724 * When SR-IOV is enabled, avoid each VF sending PORT_QSTATS
725 * HWRM every sec with which firmware timeouts can happen
726 */
727 if (BNXT_PF(softc))
728 bnxt_create_port_stats_sysctls(softc);
729
730 /* And finally, the VNIC */
731 softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE;
732 softc->vnic_info.filter_id = -1;
733 softc->vnic_info.def_ring_grp = (uint16_t)HWRM_NA_SIGNATURE;
734 softc->vnic_info.cos_rule = (uint16_t)HWRM_NA_SIGNATURE;
735 softc->vnic_info.lb_rule = (uint16_t)HWRM_NA_SIGNATURE;
736 softc->vnic_info.rx_mask = HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_BCAST |
737 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN;
738 softc->vnic_info.mc_list_count = 0;
739 softc->vnic_info.flags = BNXT_VNIC_FLAG_DEFAULT;
740 rc = iflib_dma_alloc(ctx, BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN,
741 &softc->vnic_info.mc_list, 0);
742 if (rc)
743 goto mc_list_alloc_fail;
744
745 /* The VNIC RSS Hash Key */
746 rc = iflib_dma_alloc(ctx, HW_HASH_KEY_SIZE,
747 &softc->vnic_info.rss_hash_key_tbl, 0);
748 if (rc)
749 goto rss_hash_alloc_fail;
750 bus_dmamap_sync(softc->vnic_info.rss_hash_key_tbl.idi_tag,
751 softc->vnic_info.rss_hash_key_tbl.idi_map,
752 BUS_DMASYNC_PREWRITE);
753 memcpy(softc->vnic_info.rss_hash_key_tbl.idi_vaddr,
754 softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE);
755
756 /* Allocate the RSS tables */
757 rc = iflib_dma_alloc(ctx, HW_HASH_INDEX_SIZE * sizeof(uint16_t),
758 &softc->vnic_info.rss_grp_tbl, 0);
759 if (rc)
760 goto rss_grp_alloc_fail;
761 bus_dmamap_sync(softc->vnic_info.rss_grp_tbl.idi_tag,
762 softc->vnic_info.rss_grp_tbl.idi_map,
763 BUS_DMASYNC_PREWRITE);
764 memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff,
765 softc->vnic_info.rss_grp_tbl.idi_size);
766
767 softc->nrxqsets = nrxqsets;
768 return rc;
769
770 rss_grp_alloc_fail:
771 iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl);
772 rss_hash_alloc_fail:
773 iflib_dma_free(&softc->vnic_info.mc_list);
774 mc_list_alloc_fail:
775 for (i = i - 1; i >= 0; i--) {
776 if (softc->rx_rings[i].tpa_start)
777 free(softc->rx_rings[i].tpa_start, M_DEVBUF);
778 }
779 tpa_alloc_fail:
780 iflib_dma_free(&softc->hw_tx_port_stats_ext);
781 hw_port_tx_stats_ext_alloc_fail:
782 iflib_dma_free(&softc->hw_rx_port_stats_ext);
783 hw_port_rx_stats_ext_alloc_fail:
784 iflib_dma_free(&softc->hw_tx_port_stats);
785 hw_port_tx_stats_alloc_fail:
786 iflib_dma_free(&softc->hw_rx_port_stats);
787 hw_port_rx_stats_alloc_fail:
788 for (i=0; i < nrxqsets; i++) {
789 if (softc->rx_stats[i].idi_vaddr)
790 iflib_dma_free(&softc->rx_stats[i]);
791 }
792 hw_stats_alloc_fail:
793 free(softc->grp_info, M_DEVBUF);
794 grp_alloc_fail:
795 free(softc->ag_rings, M_DEVBUF);
796 ag_alloc_fail:
797 free(softc->rx_rings, M_DEVBUF);
798 ring_alloc_fail:
799 free(softc->rx_cp_rings, M_DEVBUF);
800 cp_alloc_fail:
801 return rc;
802 }
803
bnxt_free_hwrm_short_cmd_req(struct bnxt_softc * softc)804 static void bnxt_free_hwrm_short_cmd_req(struct bnxt_softc *softc)
805 {
806 if (softc->hwrm_short_cmd_req_addr.idi_vaddr)
807 iflib_dma_free(&softc->hwrm_short_cmd_req_addr);
808 softc->hwrm_short_cmd_req_addr.idi_vaddr = NULL;
809 }
810
bnxt_alloc_hwrm_short_cmd_req(struct bnxt_softc * softc)811 static int bnxt_alloc_hwrm_short_cmd_req(struct bnxt_softc *softc)
812 {
813 int rc;
814
815 rc = iflib_dma_alloc(softc->ctx, softc->hwrm_max_req_len,
816 &softc->hwrm_short_cmd_req_addr, BUS_DMA_NOWAIT);
817
818 return rc;
819 }
820
bnxt_free_ring(struct bnxt_softc * softc,struct bnxt_ring_mem_info * rmem)821 static void bnxt_free_ring(struct bnxt_softc *softc, struct bnxt_ring_mem_info *rmem)
822 {
823 int i;
824
825 for (i = 0; i < rmem->nr_pages; i++) {
826 if (!rmem->pg_arr[i].idi_vaddr)
827 continue;
828
829 iflib_dma_free(&rmem->pg_arr[i]);
830 rmem->pg_arr[i].idi_vaddr = NULL;
831 }
832 if (rmem->pg_tbl.idi_vaddr) {
833 iflib_dma_free(&rmem->pg_tbl);
834 rmem->pg_tbl.idi_vaddr = NULL;
835
836 }
837 if (rmem->vmem_size && *rmem->vmem) {
838 free(*rmem->vmem, M_DEVBUF);
839 *rmem->vmem = NULL;
840 }
841 }
842
bnxt_init_ctx_mem(struct bnxt_ctx_mem_type * ctxm,void * p,int len)843 static void bnxt_init_ctx_mem(struct bnxt_ctx_mem_type *ctxm, void *p, int len)
844 {
845 u8 init_val = ctxm->init_value;
846 u16 offset = ctxm->init_offset;
847 u8 *p2 = p;
848 int i;
849
850 if (!init_val)
851 return;
852 if (offset == BNXT_CTX_INIT_INVALID_OFFSET) {
853 memset(p, init_val, len);
854 return;
855 }
856 for (i = 0; i < len; i += ctxm->entry_size)
857 *(p2 + i + offset) = init_val;
858 }
859
bnxt_alloc_ring(struct bnxt_softc * softc,struct bnxt_ring_mem_info * rmem)860 static int bnxt_alloc_ring(struct bnxt_softc *softc, struct bnxt_ring_mem_info *rmem)
861 {
862 uint64_t valid_bit = 0;
863 int i;
864 int rc;
865
866 if (rmem->flags & (BNXT_RMEM_VALID_PTE_FLAG | BNXT_RMEM_RING_PTE_FLAG))
867 valid_bit = PTU_PTE_VALID;
868
869 if ((rmem->nr_pages > 1 || rmem->depth > 0) && !rmem->pg_tbl.idi_vaddr) {
870 size_t pg_tbl_size = rmem->nr_pages * 8;
871
872 if (rmem->flags & BNXT_RMEM_USE_FULL_PAGE_FLAG)
873 pg_tbl_size = rmem->page_size;
874
875 rc = iflib_dma_alloc(softc->ctx, pg_tbl_size, &rmem->pg_tbl, 0);
876 if (rc)
877 return -ENOMEM;
878 }
879
880 for (i = 0; i < rmem->nr_pages; i++) {
881 uint64_t extra_bits = valid_bit;
882 uint64_t *ptr;
883
884 rc = iflib_dma_alloc(softc->ctx, rmem->page_size, &rmem->pg_arr[i], 0);
885 if (rc)
886 return -ENOMEM;
887
888 if (rmem->ctx_mem)
889 bnxt_init_ctx_mem(rmem->ctx_mem, rmem->pg_arr[i].idi_vaddr,
890 rmem->page_size);
891
892 if (rmem->nr_pages > 1 || rmem->depth > 0) {
893 if (i == rmem->nr_pages - 2 &&
894 (rmem->flags & BNXT_RMEM_RING_PTE_FLAG))
895 extra_bits |= PTU_PTE_NEXT_TO_LAST;
896 else if (i == rmem->nr_pages - 1 &&
897 (rmem->flags & BNXT_RMEM_RING_PTE_FLAG))
898 extra_bits |= PTU_PTE_LAST;
899
900 ptr = (void *) rmem->pg_tbl.idi_vaddr;
901 ptr[i] = htole64(rmem->pg_arr[i].idi_paddr | extra_bits);
902 }
903 }
904
905 if (rmem->vmem_size) {
906 *rmem->vmem = malloc(rmem->vmem_size, M_DEVBUF, M_NOWAIT | M_ZERO);
907 if (!(*rmem->vmem))
908 return -ENOMEM;
909 }
910 return 0;
911 }
912
913
914 #define HWRM_FUNC_BACKING_STORE_CFG_INPUT_DFLT_ENABLES \
915 (HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_QP | \
916 HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_SRQ | \
917 HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_CQ | \
918 HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_VNIC | \
919 HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_STAT)
920
bnxt_alloc_ctx_mem_blk(struct bnxt_softc * softc,struct bnxt_ctx_pg_info * ctx_pg)921 static int bnxt_alloc_ctx_mem_blk(struct bnxt_softc *softc,
922 struct bnxt_ctx_pg_info *ctx_pg)
923 {
924 struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem;
925
926 rmem->page_size = BNXT_PAGE_SIZE;
927 rmem->pg_arr = ctx_pg->ctx_arr;
928 rmem->flags = BNXT_RMEM_VALID_PTE_FLAG;
929 if (rmem->depth >= 1)
930 rmem->flags |= BNXT_RMEM_USE_FULL_PAGE_FLAG;
931
932 return bnxt_alloc_ring(softc, rmem);
933 }
934
bnxt_alloc_ctx_pg_tbls(struct bnxt_softc * softc,struct bnxt_ctx_pg_info * ctx_pg,u32 mem_size,u8 depth,struct bnxt_ctx_mem_type * ctxm)935 static int bnxt_alloc_ctx_pg_tbls(struct bnxt_softc *softc,
936 struct bnxt_ctx_pg_info *ctx_pg, u32 mem_size,
937 u8 depth, struct bnxt_ctx_mem_type *ctxm)
938 {
939 struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem;
940 int rc;
941
942 if (!mem_size)
943 return -EINVAL;
944
945 ctx_pg->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE);
946 if (ctx_pg->nr_pages > MAX_CTX_TOTAL_PAGES) {
947 ctx_pg->nr_pages = 0;
948 return -EINVAL;
949 }
950 if (ctx_pg->nr_pages > MAX_CTX_PAGES || depth > 1) {
951 int nr_tbls, i;
952
953 rmem->depth = 2;
954 ctx_pg->ctx_pg_tbl = kzalloc(MAX_CTX_PAGES * sizeof(ctx_pg),
955 GFP_KERNEL);
956 if (!ctx_pg->ctx_pg_tbl)
957 return -ENOMEM;
958 nr_tbls = DIV_ROUND_UP(ctx_pg->nr_pages, MAX_CTX_PAGES);
959 rmem->nr_pages = nr_tbls;
960 rc = bnxt_alloc_ctx_mem_blk(softc, ctx_pg);
961 if (rc)
962 return rc;
963 for (i = 0; i < nr_tbls; i++) {
964 struct bnxt_ctx_pg_info *pg_tbl;
965
966 pg_tbl = kzalloc(sizeof(*pg_tbl), GFP_KERNEL);
967 if (!pg_tbl)
968 return -ENOMEM;
969 ctx_pg->ctx_pg_tbl[i] = pg_tbl;
970 rmem = &pg_tbl->ring_mem;
971 memcpy(&rmem->pg_tbl, &ctx_pg->ctx_arr[i], sizeof(struct iflib_dma_info));
972 rmem->depth = 1;
973 rmem->nr_pages = MAX_CTX_PAGES;
974 rmem->ctx_mem = ctxm;
975 if (i == (nr_tbls - 1)) {
976 int rem = ctx_pg->nr_pages % MAX_CTX_PAGES;
977
978 if (rem)
979 rmem->nr_pages = rem;
980 }
981 rc = bnxt_alloc_ctx_mem_blk(softc, pg_tbl);
982 if (rc)
983 break;
984 }
985 } else {
986 rmem->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE);
987 if (rmem->nr_pages > 1 || depth)
988 rmem->depth = 1;
989 rmem->ctx_mem = ctxm;
990 rc = bnxt_alloc_ctx_mem_blk(softc, ctx_pg);
991 }
992 return rc;
993 }
994
bnxt_free_ctx_pg_tbls(struct bnxt_softc * softc,struct bnxt_ctx_pg_info * ctx_pg)995 static void bnxt_free_ctx_pg_tbls(struct bnxt_softc *softc,
996 struct bnxt_ctx_pg_info *ctx_pg)
997 {
998 struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem;
999
1000 if (rmem->depth > 1 || ctx_pg->nr_pages > MAX_CTX_PAGES ||
1001 ctx_pg->ctx_pg_tbl) {
1002 int i, nr_tbls = rmem->nr_pages;
1003
1004 for (i = 0; i < nr_tbls; i++) {
1005 struct bnxt_ctx_pg_info *pg_tbl;
1006 struct bnxt_ring_mem_info *rmem2;
1007
1008 pg_tbl = ctx_pg->ctx_pg_tbl[i];
1009 if (!pg_tbl)
1010 continue;
1011 rmem2 = &pg_tbl->ring_mem;
1012 bnxt_free_ring(softc, rmem2);
1013 ctx_pg->ctx_arr[i].idi_vaddr = NULL;
1014 free(pg_tbl , M_DEVBUF);
1015 ctx_pg->ctx_pg_tbl[i] = NULL;
1016 }
1017 kfree(ctx_pg->ctx_pg_tbl);
1018 ctx_pg->ctx_pg_tbl = NULL;
1019 }
1020 bnxt_free_ring(softc, rmem);
1021 ctx_pg->nr_pages = 0;
1022 }
1023
bnxt_setup_ctxm_pg_tbls(struct bnxt_softc * softc,struct bnxt_ctx_mem_type * ctxm,u32 entries,u8 pg_lvl)1024 static int bnxt_setup_ctxm_pg_tbls(struct bnxt_softc *softc,
1025 struct bnxt_ctx_mem_type *ctxm, u32 entries,
1026 u8 pg_lvl)
1027 {
1028 struct bnxt_ctx_pg_info *ctx_pg = ctxm->pg_info;
1029 int i, rc = 0, n = 1;
1030 u32 mem_size;
1031
1032 if (!ctxm->entry_size || !ctx_pg)
1033 return -EINVAL;
1034 if (ctxm->instance_bmap)
1035 n = hweight32(ctxm->instance_bmap);
1036 if (ctxm->entry_multiple)
1037 entries = roundup(entries, ctxm->entry_multiple);
1038 entries = clamp_t(u32, entries, ctxm->min_entries, ctxm->max_entries);
1039 mem_size = entries * ctxm->entry_size;
1040 for (i = 0; i < n && !rc; i++) {
1041 ctx_pg[i].entries = entries;
1042 rc = bnxt_alloc_ctx_pg_tbls(softc, &ctx_pg[i], mem_size, pg_lvl,
1043 ctxm->init_value ? ctxm : NULL);
1044 }
1045 return rc;
1046 }
1047
bnxt_free_ctx_mem(struct bnxt_softc * softc)1048 static void bnxt_free_ctx_mem(struct bnxt_softc *softc)
1049 {
1050 struct bnxt_ctx_mem_info *ctx = softc->ctx_mem;
1051 u16 type;
1052
1053 if (!ctx)
1054 return;
1055
1056 for (type = 0; type < BNXT_CTX_MAX; type++) {
1057 struct bnxt_ctx_mem_type *ctxm = &ctx->ctx_arr[type];
1058 struct bnxt_ctx_pg_info *ctx_pg = ctxm->pg_info;
1059 int i, n = 1;
1060
1061 if (!ctx_pg)
1062 continue;
1063 if (ctxm->instance_bmap)
1064 n = hweight32(ctxm->instance_bmap);
1065 for (i = 0; i < n; i++)
1066 bnxt_free_ctx_pg_tbls(softc, &ctx_pg[i]);
1067
1068 kfree(ctx_pg);
1069 ctxm->pg_info = NULL;
1070 }
1071
1072 ctx->flags &= ~BNXT_CTX_FLAG_INITED;
1073 kfree(ctx);
1074 softc->ctx_mem = NULL;
1075 }
1076
bnxt_alloc_ctx_mem(struct bnxt_softc * softc)1077 static int bnxt_alloc_ctx_mem(struct bnxt_softc *softc)
1078 {
1079 struct bnxt_ctx_pg_info *ctx_pg;
1080 struct bnxt_ctx_mem_type *ctxm;
1081 struct bnxt_ctx_mem_info *ctx;
1082 u32 l2_qps, qp1_qps, max_qps;
1083 u32 ena, entries_sp, entries;
1084 u32 srqs, max_srqs, min;
1085 u32 num_mr, num_ah;
1086 u32 extra_srqs = 0;
1087 u32 extra_qps = 0;
1088 u8 pg_lvl = 1;
1089 int i, rc;
1090
1091 if (!BNXT_CHIP_P5(softc))
1092 return 0;
1093
1094 rc = bnxt_hwrm_func_backing_store_qcaps(softc);
1095 if (rc) {
1096 device_printf(softc->dev, "Failed querying context mem capability, rc = %d.\n",
1097 rc);
1098 return rc;
1099 }
1100 ctx = softc->ctx_mem;
1101 if (!ctx || (ctx->flags & BNXT_CTX_FLAG_INITED))
1102 return 0;
1103
1104 ctxm = &ctx->ctx_arr[BNXT_CTX_QP];
1105 l2_qps = ctxm->qp_l2_entries;
1106 qp1_qps = ctxm->qp_qp1_entries;
1107 max_qps = ctxm->max_entries;
1108 ctxm = &ctx->ctx_arr[BNXT_CTX_SRQ];
1109 srqs = ctxm->srq_l2_entries;
1110 max_srqs = ctxm->max_entries;
1111 if (softc->flags & BNXT_FLAG_ROCE_CAP) {
1112 pg_lvl = 2;
1113 extra_qps = min_t(u32, 65536, max_qps - l2_qps - qp1_qps);
1114 extra_srqs = min_t(u32, 8192, max_srqs - srqs);
1115 }
1116
1117 ctxm = &ctx->ctx_arr[BNXT_CTX_QP];
1118 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, l2_qps + qp1_qps + extra_qps,
1119 pg_lvl);
1120 if (rc)
1121 return rc;
1122
1123 ctxm = &ctx->ctx_arr[BNXT_CTX_SRQ];
1124 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, srqs + extra_srqs, pg_lvl);
1125 if (rc)
1126 return rc;
1127
1128 ctxm = &ctx->ctx_arr[BNXT_CTX_CQ];
1129 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, ctxm->cq_l2_entries +
1130 extra_qps * 2, pg_lvl);
1131 if (rc)
1132 return rc;
1133
1134 ctxm = &ctx->ctx_arr[BNXT_CTX_VNIC];
1135 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, ctxm->max_entries, 1);
1136 if (rc)
1137 return rc;
1138
1139 ctxm = &ctx->ctx_arr[BNXT_CTX_STAT];
1140 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, ctxm->max_entries, 1);
1141 if (rc)
1142 return rc;
1143
1144 ena = 0;
1145 if (!(softc->flags & BNXT_FLAG_ROCE_CAP))
1146 goto skip_rdma;
1147
1148 ctxm = &ctx->ctx_arr[BNXT_CTX_MRAV];
1149 ctx_pg = ctxm->pg_info;
1150 /* 128K extra is needed to accomodate static AH context
1151 * allocation by f/w.
1152 */
1153 num_mr = min_t(u32, ctxm->max_entries / 2, 1024 * 256);
1154 num_ah = min_t(u32, num_mr, 1024 * 128);
1155 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, num_mr + num_ah, 2);
1156 if (rc)
1157 return rc;
1158 ctx_pg->entries = num_mr + num_ah;
1159 ena = HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_MRAV;
1160 if (ctxm->mrav_num_entries_units)
1161 ctx_pg->entries =
1162 ((num_mr / ctxm->mrav_num_entries_units) << 16) |
1163 (num_ah / ctxm->mrav_num_entries_units);
1164
1165 ctxm = &ctx->ctx_arr[BNXT_CTX_TIM];
1166 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, l2_qps + qp1_qps + extra_qps, 1);
1167 if (rc)
1168 return rc;
1169 ena |= HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_TIM;
1170
1171 skip_rdma:
1172 ctxm = &ctx->ctx_arr[BNXT_CTX_STQM];
1173 min = ctxm->min_entries;
1174 entries_sp = ctx->ctx_arr[BNXT_CTX_VNIC].vnic_entries + l2_qps +
1175 2 * (extra_qps + qp1_qps) + min;
1176 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, entries_sp, 2);
1177 if (rc)
1178 return rc;
1179
1180 ctxm = &ctx->ctx_arr[BNXT_CTX_FTQM];
1181 entries = l2_qps + 2 * (extra_qps + qp1_qps);
1182 rc = bnxt_setup_ctxm_pg_tbls(softc, ctxm, entries, 2);
1183 if (rc)
1184 return rc;
1185 for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) {
1186 if (i < BNXT_MAX_TQM_LEGACY_RINGS)
1187 ena |= HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_TQM_SP << i;
1188 else
1189 ena |= HWRM_FUNC_BACKING_STORE_CFG_INPUT_ENABLES_TQM_RING8;
1190 }
1191 ena |= HWRM_FUNC_BACKING_STORE_CFG_INPUT_DFLT_ENABLES;
1192
1193 rc = bnxt_hwrm_func_backing_store_cfg(softc, ena);
1194 if (rc) {
1195 device_printf(softc->dev, "Failed configuring context mem, rc = %d.\n",
1196 rc);
1197 return rc;
1198 }
1199 ctx->flags |= BNXT_CTX_FLAG_INITED;
1200
1201 return 0;
1202 }
1203
1204 /*
1205 * If we update the index, a write barrier is needed after the write to ensure
1206 * the completion ring has space before the RX/TX ring does. Since we can't
1207 * make the RX and AG doorbells covered by the same barrier without remapping
1208 * MSI-X vectors, we create the barrier over the enture doorbell bar.
1209 * TODO: Remap the MSI-X vectors to allow a barrier to only cover the doorbells
1210 * for a single ring group.
1211 *
1212 * A barrier of just the size of the write is used to ensure the ordering
1213 * remains correct and no writes are lost.
1214 */
1215
bnxt_cuw_db_rx(void * db_ptr,uint16_t idx)1216 static void bnxt_cuw_db_rx(void *db_ptr, uint16_t idx)
1217 {
1218 struct bnxt_ring *ring = (struct bnxt_ring *) db_ptr;
1219 struct bnxt_bar_info *db_bar = &ring->softc->doorbell_bar;
1220
1221 bus_space_barrier(db_bar->tag, db_bar->handle, ring->doorbell, 4,
1222 BUS_SPACE_BARRIER_WRITE);
1223 bus_space_write_4(db_bar->tag, db_bar->handle, ring->doorbell,
1224 htole32(RX_DOORBELL_KEY_RX | idx));
1225 }
1226
bnxt_cuw_db_tx(void * db_ptr,uint16_t idx)1227 static void bnxt_cuw_db_tx(void *db_ptr, uint16_t idx)
1228 {
1229 struct bnxt_ring *ring = (struct bnxt_ring *) db_ptr;
1230 struct bnxt_bar_info *db_bar = &ring->softc->doorbell_bar;
1231
1232 bus_space_barrier(db_bar->tag, db_bar->handle, ring->doorbell, 4,
1233 BUS_SPACE_BARRIER_WRITE);
1234 bus_space_write_4(db_bar->tag, db_bar->handle, ring->doorbell,
1235 htole32(TX_DOORBELL_KEY_TX | idx));
1236 }
1237
bnxt_cuw_db_cq(void * db_ptr,bool enable_irq)1238 static void bnxt_cuw_db_cq(void *db_ptr, bool enable_irq)
1239 {
1240 struct bnxt_cp_ring *cpr = (struct bnxt_cp_ring *) db_ptr;
1241 struct bnxt_bar_info *db_bar = &cpr->ring.softc->doorbell_bar;
1242
1243 bus_space_barrier(db_bar->tag, db_bar->handle, cpr->ring.doorbell, 4,
1244 BUS_SPACE_BARRIER_WRITE);
1245 bus_space_write_4(db_bar->tag, db_bar->handle, cpr->ring.doorbell,
1246 htole32(CMPL_DOORBELL_KEY_CMPL |
1247 ((cpr->cons == UINT32_MAX) ? 0 :
1248 (cpr->cons | CMPL_DOORBELL_IDX_VALID)) |
1249 ((enable_irq) ? 0 : CMPL_DOORBELL_MASK)));
1250 bus_space_barrier(db_bar->tag, db_bar->handle, 0, db_bar->size,
1251 BUS_SPACE_BARRIER_WRITE);
1252 }
1253
bnxt_thor_db_rx(void * db_ptr,uint16_t idx)1254 static void bnxt_thor_db_rx(void *db_ptr, uint16_t idx)
1255 {
1256 struct bnxt_ring *ring = (struct bnxt_ring *) db_ptr;
1257 struct bnxt_bar_info *db_bar = &ring->softc->doorbell_bar;
1258
1259 bus_space_barrier(db_bar->tag, db_bar->handle, ring->doorbell, 8,
1260 BUS_SPACE_BARRIER_WRITE);
1261 bus_space_write_8(db_bar->tag, db_bar->handle, ring->doorbell,
1262 htole64((DBR_PATH_L2 | DBR_TYPE_SRQ | idx) |
1263 ((uint64_t)ring->phys_id << DBR_XID_SFT)));
1264 }
1265
bnxt_thor_db_tx(void * db_ptr,uint16_t idx)1266 static void bnxt_thor_db_tx(void *db_ptr, uint16_t idx)
1267 {
1268 struct bnxt_ring *ring = (struct bnxt_ring *) db_ptr;
1269 struct bnxt_bar_info *db_bar = &ring->softc->doorbell_bar;
1270
1271 bus_space_barrier(db_bar->tag, db_bar->handle, ring->doorbell, 8,
1272 BUS_SPACE_BARRIER_WRITE);
1273 bus_space_write_8(db_bar->tag, db_bar->handle, ring->doorbell,
1274 htole64((DBR_PATH_L2 | DBR_TYPE_SQ | idx) |
1275 ((uint64_t)ring->phys_id << DBR_XID_SFT)));
1276 }
1277
bnxt_thor_db_rx_cq(void * db_ptr,bool enable_irq)1278 static void bnxt_thor_db_rx_cq(void *db_ptr, bool enable_irq)
1279 {
1280 struct bnxt_cp_ring *cpr = (struct bnxt_cp_ring *) db_ptr;
1281 struct bnxt_bar_info *db_bar = &cpr->ring.softc->doorbell_bar;
1282 dbc_dbc_t db_msg = { 0 };
1283 uint32_t cons = cpr->cons;
1284
1285 if (cons == UINT32_MAX)
1286 cons = 0;
1287 else
1288 cons = RING_NEXT(&cpr->ring, cons);
1289
1290 db_msg.index = ((cons << DBC_DBC_INDEX_SFT) & DBC_DBC_INDEX_MASK);
1291
1292 db_msg.type_path_xid = ((cpr->ring.phys_id << DBC_DBC_XID_SFT) &
1293 DBC_DBC_XID_MASK) | DBC_DBC_PATH_L2 |
1294 ((enable_irq) ? DBC_DBC_TYPE_CQ_ARMALL: DBC_DBC_TYPE_CQ);
1295
1296 bus_space_barrier(db_bar->tag, db_bar->handle, cpr->ring.doorbell, 8,
1297 BUS_SPACE_BARRIER_WRITE);
1298 bus_space_write_8(db_bar->tag, db_bar->handle, cpr->ring.doorbell,
1299 htole64(*(uint64_t *)&db_msg));
1300 bus_space_barrier(db_bar->tag, db_bar->handle, 0, db_bar->size,
1301 BUS_SPACE_BARRIER_WRITE);
1302 }
1303
bnxt_thor_db_tx_cq(void * db_ptr,bool enable_irq)1304 static void bnxt_thor_db_tx_cq(void *db_ptr, bool enable_irq)
1305 {
1306 struct bnxt_cp_ring *cpr = (struct bnxt_cp_ring *) db_ptr;
1307 struct bnxt_bar_info *db_bar = &cpr->ring.softc->doorbell_bar;
1308 dbc_dbc_t db_msg = { 0 };
1309 uint32_t cons = cpr->cons;
1310
1311 db_msg.index = ((cons << DBC_DBC_INDEX_SFT) & DBC_DBC_INDEX_MASK);
1312
1313 db_msg.type_path_xid = ((cpr->ring.phys_id << DBC_DBC_XID_SFT) &
1314 DBC_DBC_XID_MASK) | DBC_DBC_PATH_L2 |
1315 ((enable_irq) ? DBC_DBC_TYPE_CQ_ARMALL: DBC_DBC_TYPE_CQ);
1316
1317 bus_space_barrier(db_bar->tag, db_bar->handle, cpr->ring.doorbell, 8,
1318 BUS_SPACE_BARRIER_WRITE);
1319 bus_space_write_8(db_bar->tag, db_bar->handle, cpr->ring.doorbell,
1320 htole64(*(uint64_t *)&db_msg));
1321 bus_space_barrier(db_bar->tag, db_bar->handle, 0, db_bar->size,
1322 BUS_SPACE_BARRIER_WRITE);
1323 }
1324
bnxt_thor_db_nq(void * db_ptr,bool enable_irq)1325 static void bnxt_thor_db_nq(void *db_ptr, bool enable_irq)
1326 {
1327 struct bnxt_cp_ring *cpr = (struct bnxt_cp_ring *) db_ptr;
1328 struct bnxt_bar_info *db_bar = &cpr->ring.softc->doorbell_bar;
1329 dbc_dbc_t db_msg = { 0 };
1330 uint32_t cons = cpr->cons;
1331
1332 db_msg.index = ((cons << DBC_DBC_INDEX_SFT) & DBC_DBC_INDEX_MASK);
1333
1334 db_msg.type_path_xid = ((cpr->ring.phys_id << DBC_DBC_XID_SFT) &
1335 DBC_DBC_XID_MASK) | DBC_DBC_PATH_L2 |
1336 ((enable_irq) ? DBC_DBC_TYPE_NQ_ARM: DBC_DBC_TYPE_NQ);
1337
1338 bus_space_barrier(db_bar->tag, db_bar->handle, cpr->ring.doorbell, 8,
1339 BUS_SPACE_BARRIER_WRITE);
1340 bus_space_write_8(db_bar->tag, db_bar->handle, cpr->ring.doorbell,
1341 htole64(*(uint64_t *)&db_msg));
1342 bus_space_barrier(db_bar->tag, db_bar->handle, 0, db_bar->size,
1343 BUS_SPACE_BARRIER_WRITE);
1344 }
1345
bnxt_find_dev(uint32_t domain,uint32_t bus,uint32_t dev_fn,char * dev_name)1346 struct bnxt_softc *bnxt_find_dev(uint32_t domain, uint32_t bus, uint32_t dev_fn, char *dev_name)
1347 {
1348 struct bnxt_softc_list *sc = NULL;
1349
1350 SLIST_FOREACH(sc, &pf_list, next) {
1351 /* get the softc reference based on device name */
1352 if (dev_name && !strncmp(dev_name, if_name(iflib_get_ifp(sc->softc->ctx)), BNXT_MAX_STR)) {
1353 return sc->softc;
1354 }
1355 /* get the softc reference based on domain,bus,device,function */
1356 if (!dev_name &&
1357 (domain == sc->softc->domain) &&
1358 (bus == sc->softc->bus) &&
1359 (dev_fn == sc->softc->dev_fn)) {
1360 return sc->softc;
1361
1362 }
1363 }
1364
1365 return NULL;
1366 }
1367
1368
bnxt_verify_asym_queues(struct bnxt_softc * softc)1369 static void bnxt_verify_asym_queues(struct bnxt_softc *softc)
1370 {
1371 uint8_t i, lltc = 0;
1372
1373 if (!softc->max_lltc)
1374 return;
1375
1376 /* Verify that lossless TX and RX queues are in the same index */
1377 for (i = 0; i < softc->max_tc; i++) {
1378 if (BNXT_LLQ(softc->tx_q_info[i].queue_profile) &&
1379 BNXT_LLQ(softc->rx_q_info[i].queue_profile))
1380 lltc++;
1381 }
1382 softc->max_lltc = min(softc->max_lltc, lltc);
1383 }
1384
bnxt_hwrm_poll(struct bnxt_softc * bp)1385 static int bnxt_hwrm_poll(struct bnxt_softc *bp)
1386 {
1387 struct hwrm_ver_get_output *resp =
1388 (void *)bp->hwrm_cmd_resp.idi_vaddr;
1389 struct hwrm_ver_get_input req = {0};
1390 int rc;
1391
1392 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VER_GET);
1393
1394 req.hwrm_intf_maj = HWRM_VERSION_MAJOR;
1395 req.hwrm_intf_min = HWRM_VERSION_MINOR;
1396 req.hwrm_intf_upd = HWRM_VERSION_UPDATE;
1397
1398 rc = _hwrm_send_message(bp, &req, sizeof(req));
1399 if (rc)
1400 return rc;
1401
1402 if (resp->flags & HWRM_VER_GET_OUTPUT_FLAGS_DEV_NOT_RDY)
1403 rc = -EAGAIN;
1404
1405 return rc;
1406 }
1407
bnxt_rtnl_lock_sp(struct bnxt_softc * bp)1408 static void bnxt_rtnl_lock_sp(struct bnxt_softc *bp)
1409 {
1410 /* We are called from bnxt_sp_task which has BNXT_STATE_IN_SP_TASK
1411 * set. If the device is being closed, bnxt_close() may be holding
1412 * rtnl() and waiting for BNXT_STATE_IN_SP_TASK to clear. So we
1413 * must clear BNXT_STATE_IN_SP_TASK before holding rtnl().
1414 */
1415 clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
1416 rtnl_lock();
1417 }
1418
bnxt_rtnl_unlock_sp(struct bnxt_softc * bp)1419 static void bnxt_rtnl_unlock_sp(struct bnxt_softc *bp)
1420 {
1421 set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
1422 rtnl_unlock();
1423 }
1424
bnxt_fw_fatal_close(struct bnxt_softc * softc)1425 static void bnxt_fw_fatal_close(struct bnxt_softc *softc)
1426 {
1427 bnxt_disable_intr(softc->ctx);
1428 if (pci_is_enabled(softc->pdev))
1429 pci_disable_device(softc->pdev);
1430 }
1431
bnxt_fw_health_readl(struct bnxt_softc * bp,int reg_idx)1432 static u32 bnxt_fw_health_readl(struct bnxt_softc *bp, int reg_idx)
1433 {
1434 struct bnxt_fw_health *fw_health = bp->fw_health;
1435 u32 reg = fw_health->regs[reg_idx];
1436 u32 reg_type, reg_off, val = 0;
1437
1438 reg_type = BNXT_FW_HEALTH_REG_TYPE(reg);
1439 reg_off = BNXT_FW_HEALTH_REG_OFF(reg);
1440 switch (reg_type) {
1441 case BNXT_FW_HEALTH_REG_TYPE_CFG:
1442 pci_read_config_dword(bp->pdev, reg_off, &val);
1443 break;
1444 case BNXT_FW_HEALTH_REG_TYPE_GRC:
1445 reg_off = fw_health->mapped_regs[reg_idx];
1446 fallthrough;
1447 case BNXT_FW_HEALTH_REG_TYPE_BAR0:
1448 val = readl_fbsd(bp, reg_off, 0);
1449 break;
1450 case BNXT_FW_HEALTH_REG_TYPE_BAR1:
1451 val = readl_fbsd(bp, reg_off, 2);
1452 break;
1453 }
1454 if (reg_idx == BNXT_FW_RESET_INPROG_REG)
1455 val &= fw_health->fw_reset_inprog_reg_mask;
1456 return val;
1457 }
1458
bnxt_fw_reset_close(struct bnxt_softc * bp)1459 static void bnxt_fw_reset_close(struct bnxt_softc *bp)
1460 {
1461 int i;
1462 bnxt_ulp_stop(bp);
1463 /* When firmware is in fatal state, quiesce device and disable
1464 * bus master to prevent any potential bad DMAs before freeing
1465 * kernel memory.
1466 */
1467 if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) {
1468 u16 val = 0;
1469
1470 val = pci_read_config(bp->dev, PCI_SUBSYSTEM_ID, 2);
1471 if (val == 0xffff) {
1472 bp->fw_reset_min_dsecs = 0;
1473 }
1474 bnxt_fw_fatal_close(bp);
1475 }
1476
1477 iflib_request_reset(bp->ctx);
1478 bnxt_stop(bp->ctx);
1479 bnxt_hwrm_func_drv_unrgtr(bp, false);
1480
1481 for (i = bp->nrxqsets-1; i>=0; i--) {
1482 if (BNXT_CHIP_P5(bp))
1483 iflib_irq_free(bp->ctx, &bp->nq_rings[i].irq);
1484 else
1485 iflib_irq_free(bp->ctx, &bp->rx_cp_rings[i].irq);
1486
1487 }
1488 if (pci_is_enabled(bp->pdev))
1489 pci_disable_device(bp->pdev);
1490 pci_disable_busmaster(bp->dev);
1491 bnxt_free_ctx_mem(bp);
1492 }
1493
is_bnxt_fw_ok(struct bnxt_softc * bp)1494 static bool is_bnxt_fw_ok(struct bnxt_softc *bp)
1495 {
1496 struct bnxt_fw_health *fw_health = bp->fw_health;
1497 bool no_heartbeat = false, has_reset = false;
1498 u32 val;
1499
1500 val = bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG);
1501 if (val == fw_health->last_fw_heartbeat)
1502 no_heartbeat = true;
1503
1504 val = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG);
1505 if (val != fw_health->last_fw_reset_cnt)
1506 has_reset = true;
1507
1508 if (!no_heartbeat && has_reset)
1509 return true;
1510
1511 return false;
1512 }
1513
bnxt_fw_reset(struct bnxt_softc * bp)1514 void bnxt_fw_reset(struct bnxt_softc *bp)
1515 {
1516 bnxt_rtnl_lock_sp(bp);
1517 if (test_bit(BNXT_STATE_OPEN, &bp->state) &&
1518 !test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) {
1519 int tmo;
1520 set_bit(BNXT_STATE_IN_FW_RESET, &bp->state);
1521 bnxt_fw_reset_close(bp);
1522
1523 if ((bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD)) {
1524 bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW_DOWN;
1525 tmo = HZ / 10;
1526 } else {
1527 bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV;
1528 tmo = bp->fw_reset_min_dsecs * HZ /10;
1529 }
1530 bnxt_queue_fw_reset_work(bp, tmo);
1531 }
1532 bnxt_rtnl_unlock_sp(bp);
1533 }
1534
bnxt_queue_fw_reset_work(struct bnxt_softc * bp,unsigned long delay)1535 static void bnxt_queue_fw_reset_work(struct bnxt_softc *bp, unsigned long delay)
1536 {
1537 if (!(test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)))
1538 return;
1539
1540 if (BNXT_PF(bp))
1541 queue_delayed_work(bnxt_pf_wq, &bp->fw_reset_task, delay);
1542 else
1543 schedule_delayed_work(&bp->fw_reset_task, delay);
1544 }
1545
bnxt_queue_sp_work(struct bnxt_softc * bp)1546 void bnxt_queue_sp_work(struct bnxt_softc *bp)
1547 {
1548 if (BNXT_PF(bp))
1549 queue_work(bnxt_pf_wq, &bp->sp_task);
1550 else
1551 schedule_work(&bp->sp_task);
1552 }
1553
bnxt_fw_reset_writel(struct bnxt_softc * bp,int reg_idx)1554 static void bnxt_fw_reset_writel(struct bnxt_softc *bp, int reg_idx)
1555 {
1556 struct bnxt_fw_health *fw_health = bp->fw_health;
1557 u32 reg = fw_health->fw_reset_seq_regs[reg_idx];
1558 u32 val = fw_health->fw_reset_seq_vals[reg_idx];
1559 u32 reg_type, reg_off, delay_msecs;
1560
1561 delay_msecs = fw_health->fw_reset_seq_delay_msec[reg_idx];
1562 reg_type = BNXT_FW_HEALTH_REG_TYPE(reg);
1563 reg_off = BNXT_FW_HEALTH_REG_OFF(reg);
1564 switch (reg_type) {
1565 case BNXT_FW_HEALTH_REG_TYPE_CFG:
1566 pci_write_config_dword(bp->pdev, reg_off, val);
1567 break;
1568 case BNXT_FW_HEALTH_REG_TYPE_GRC:
1569 writel_fbsd(bp, BNXT_GRCPF_REG_WINDOW_BASE_OUT + 4, 0, reg_off & BNXT_GRC_BASE_MASK);
1570 reg_off = (reg_off & BNXT_GRC_OFFSET_MASK) + 0x2000;
1571 fallthrough;
1572 case BNXT_FW_HEALTH_REG_TYPE_BAR0:
1573 writel_fbsd(bp, reg_off, 0, val);
1574 break;
1575 case BNXT_FW_HEALTH_REG_TYPE_BAR1:
1576 writel_fbsd(bp, reg_off, 2, val);
1577 break;
1578 }
1579 if (delay_msecs) {
1580 pci_read_config_dword(bp->pdev, 0, &val);
1581 msleep(delay_msecs);
1582 }
1583 }
1584
bnxt_reset_all(struct bnxt_softc * bp)1585 static void bnxt_reset_all(struct bnxt_softc *bp)
1586 {
1587 struct bnxt_fw_health *fw_health = bp->fw_health;
1588 int i, rc;
1589
1590 if (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD) {
1591 bp->fw_reset_timestamp = jiffies;
1592 return;
1593 }
1594
1595 if (fw_health->flags & HWRM_ERROR_RECOVERY_QCFG_OUTPUT_FLAGS_HOST) {
1596 for (i = 0; i < fw_health->fw_reset_seq_cnt; i++)
1597 bnxt_fw_reset_writel(bp, i);
1598 } else if (fw_health->flags & HWRM_ERROR_RECOVERY_QCFG_OUTPUT_FLAGS_CO_CPU) {
1599 struct hwrm_fw_reset_input req = {0};
1600
1601 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET);
1602 req.target_id = htole16(HWRM_TARGET_ID_KONG);
1603 req.embedded_proc_type = HWRM_FW_RESET_INPUT_EMBEDDED_PROC_TYPE_CHIP;
1604 req.selfrst_status = HWRM_FW_RESET_INPUT_SELFRST_STATUS_SELFRSTASAP;
1605 req.flags = HWRM_FW_RESET_INPUT_FLAGS_RESET_GRACEFUL;
1606 rc = hwrm_send_message(bp, &req, sizeof(req));
1607
1608 if (rc != -ENODEV)
1609 device_printf(bp->dev, "Unable to reset FW rc=%d\n", rc);
1610 }
1611 bp->fw_reset_timestamp = jiffies;
1612 }
1613
__bnxt_alloc_fw_health(struct bnxt_softc * bp)1614 static int __bnxt_alloc_fw_health(struct bnxt_softc *bp)
1615 {
1616 if (bp->fw_health)
1617 return 0;
1618
1619 bp->fw_health = kzalloc(sizeof(*bp->fw_health), GFP_KERNEL);
1620 if (!bp->fw_health)
1621 return -ENOMEM;
1622
1623 mutex_init(&bp->fw_health->lock);
1624 return 0;
1625 }
1626
bnxt_alloc_fw_health(struct bnxt_softc * bp)1627 static int bnxt_alloc_fw_health(struct bnxt_softc *bp)
1628 {
1629 int rc;
1630
1631 if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET) &&
1632 !(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY))
1633 return 0;
1634
1635 rc = __bnxt_alloc_fw_health(bp);
1636 if (rc) {
1637 bp->fw_cap &= ~BNXT_FW_CAP_HOT_RESET;
1638 bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY;
1639 return rc;
1640 }
1641
1642 return 0;
1643 }
1644
__bnxt_map_fw_health_reg(struct bnxt_softc * bp,u32 reg)1645 static inline void __bnxt_map_fw_health_reg(struct bnxt_softc *bp, u32 reg)
1646 {
1647 writel_fbsd(bp, BNXT_GRCPF_REG_WINDOW_BASE_OUT + BNXT_FW_HEALTH_WIN_MAP_OFF, 0, reg & BNXT_GRC_BASE_MASK);
1648 }
1649
bnxt_map_fw_health_regs(struct bnxt_softc * bp)1650 static int bnxt_map_fw_health_regs(struct bnxt_softc *bp)
1651 {
1652 struct bnxt_fw_health *fw_health = bp->fw_health;
1653 u32 reg_base = 0xffffffff;
1654 int i;
1655
1656 bp->fw_health->status_reliable = false;
1657 bp->fw_health->resets_reliable = false;
1658 /* Only pre-map the monitoring GRC registers using window 3 */
1659 for (i = 0; i < 4; i++) {
1660 u32 reg = fw_health->regs[i];
1661
1662 if (BNXT_FW_HEALTH_REG_TYPE(reg) != BNXT_FW_HEALTH_REG_TYPE_GRC)
1663 continue;
1664 if (reg_base == 0xffffffff)
1665 reg_base = reg & BNXT_GRC_BASE_MASK;
1666 if ((reg & BNXT_GRC_BASE_MASK) != reg_base)
1667 return -ERANGE;
1668 fw_health->mapped_regs[i] = BNXT_FW_HEALTH_WIN_OFF(reg);
1669 }
1670 bp->fw_health->status_reliable = true;
1671 bp->fw_health->resets_reliable = true;
1672 if (reg_base == 0xffffffff)
1673 return 0;
1674
1675 __bnxt_map_fw_health_reg(bp, reg_base);
1676 return 0;
1677 }
1678
bnxt_inv_fw_health_reg(struct bnxt_softc * bp)1679 static void bnxt_inv_fw_health_reg(struct bnxt_softc *bp)
1680 {
1681 struct bnxt_fw_health *fw_health = bp->fw_health;
1682 u32 reg_type;
1683
1684 if (!fw_health)
1685 return;
1686
1687 reg_type = BNXT_FW_HEALTH_REG_TYPE(fw_health->regs[BNXT_FW_HEALTH_REG]);
1688 if (reg_type == BNXT_FW_HEALTH_REG_TYPE_GRC)
1689 fw_health->status_reliable = false;
1690
1691 reg_type = BNXT_FW_HEALTH_REG_TYPE(fw_health->regs[BNXT_FW_RESET_CNT_REG]);
1692 if (reg_type == BNXT_FW_HEALTH_REG_TYPE_GRC)
1693 fw_health->resets_reliable = false;
1694 }
1695
bnxt_hwrm_error_recovery_qcfg(struct bnxt_softc * bp)1696 static int bnxt_hwrm_error_recovery_qcfg(struct bnxt_softc *bp)
1697 {
1698 struct bnxt_fw_health *fw_health = bp->fw_health;
1699 struct hwrm_error_recovery_qcfg_output *resp =
1700 (void *)bp->hwrm_cmd_resp.idi_vaddr;
1701 struct hwrm_error_recovery_qcfg_input req = {0};
1702 int rc, i;
1703
1704 if (!(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY))
1705 return 0;
1706
1707 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_ERROR_RECOVERY_QCFG);
1708 rc = _hwrm_send_message(bp, &req, sizeof(req));
1709
1710 if (rc)
1711 goto err_recovery_out;
1712 fw_health->flags = le32toh(resp->flags);
1713 if ((fw_health->flags & HWRM_ERROR_RECOVERY_QCFG_OUTPUT_FLAGS_CO_CPU) &&
1714 !(bp->fw_cap & BNXT_FW_CAP_KONG_MB_CHNL)) {
1715 rc = -EINVAL;
1716 goto err_recovery_out;
1717 }
1718 fw_health->polling_dsecs = le32toh(resp->driver_polling_freq);
1719 fw_health->master_func_wait_dsecs =
1720 le32toh(resp->master_func_wait_period);
1721 fw_health->normal_func_wait_dsecs =
1722 le32toh(resp->normal_func_wait_period);
1723 fw_health->post_reset_wait_dsecs =
1724 le32toh(resp->master_func_wait_period_after_reset);
1725 fw_health->post_reset_max_wait_dsecs =
1726 le32toh(resp->max_bailout_time_after_reset);
1727 fw_health->regs[BNXT_FW_HEALTH_REG] =
1728 le32toh(resp->fw_health_status_reg);
1729 fw_health->regs[BNXT_FW_HEARTBEAT_REG] =
1730 le32toh(resp->fw_heartbeat_reg);
1731 fw_health->regs[BNXT_FW_RESET_CNT_REG] =
1732 le32toh(resp->fw_reset_cnt_reg);
1733 fw_health->regs[BNXT_FW_RESET_INPROG_REG] =
1734 le32toh(resp->reset_inprogress_reg);
1735 fw_health->fw_reset_inprog_reg_mask =
1736 le32toh(resp->reset_inprogress_reg_mask);
1737 fw_health->fw_reset_seq_cnt = resp->reg_array_cnt;
1738 if (fw_health->fw_reset_seq_cnt >= 16) {
1739 rc = -EINVAL;
1740 goto err_recovery_out;
1741 }
1742 for (i = 0; i < fw_health->fw_reset_seq_cnt; i++) {
1743 fw_health->fw_reset_seq_regs[i] =
1744 le32toh(resp->reset_reg[i]);
1745 fw_health->fw_reset_seq_vals[i] =
1746 le32toh(resp->reset_reg_val[i]);
1747 fw_health->fw_reset_seq_delay_msec[i] =
1748 le32toh(resp->delay_after_reset[i]);
1749 }
1750 err_recovery_out:
1751 if (!rc)
1752 rc = bnxt_map_fw_health_regs(bp);
1753 if (rc)
1754 bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY;
1755 return rc;
1756 }
1757
bnxt_drv_rgtr(struct bnxt_softc * bp)1758 static int bnxt_drv_rgtr(struct bnxt_softc *bp)
1759 {
1760 int rc;
1761
1762 /* determine whether we can support error recovery before
1763 * registering with FW
1764 */
1765 if (bnxt_alloc_fw_health(bp)) {
1766 device_printf(bp->dev, "no memory for firmware error recovery\n");
1767 } else {
1768 rc = bnxt_hwrm_error_recovery_qcfg(bp);
1769 if (rc)
1770 device_printf(bp->dev, "hwrm query error recovery failure rc: %d\n",
1771 rc);
1772 }
1773 rc = bnxt_hwrm_func_drv_rgtr(bp, NULL, 0, false); //sumit dbg: revisit the params
1774 if (rc)
1775 return -ENODEV;
1776 return 0;
1777 }
1778
bnxt_fw_reset_timeout(struct bnxt_softc * bp)1779 static bool bnxt_fw_reset_timeout(struct bnxt_softc *bp)
1780 {
1781 return time_after(jiffies, bp->fw_reset_timestamp +
1782 (bp->fw_reset_max_dsecs * HZ / 10));
1783 }
1784
bnxt_open(struct bnxt_softc * bp)1785 static int bnxt_open(struct bnxt_softc *bp)
1786 {
1787 int rc = 0;
1788 if (BNXT_PF(bp))
1789 rc = bnxt_hwrm_nvm_get_dev_info(bp, &bp->nvm_info->mfg_id,
1790 &bp->nvm_info->device_id, &bp->nvm_info->sector_size,
1791 &bp->nvm_info->size, &bp->nvm_info->reserved_size,
1792 &bp->nvm_info->available_size);
1793
1794 /* Get the queue config */
1795 rc = bnxt_hwrm_queue_qportcfg(bp, HWRM_QUEUE_QPORTCFG_INPUT_FLAGS_PATH_TX);
1796 if (rc) {
1797 device_printf(bp->dev, "reinit: hwrm qportcfg (tx) failed\n");
1798 return rc;
1799 }
1800 if (bp->is_asym_q) {
1801 rc = bnxt_hwrm_queue_qportcfg(bp,
1802 HWRM_QUEUE_QPORTCFG_INPUT_FLAGS_PATH_RX);
1803 if (rc) {
1804 device_printf(bp->dev, "re-init: hwrm qportcfg (rx) failed\n");
1805 return rc;
1806 }
1807 bnxt_verify_asym_queues(bp);
1808 } else {
1809 bp->rx_max_q = bp->tx_max_q;
1810 memcpy(bp->rx_q_info, bp->tx_q_info, sizeof(bp->rx_q_info));
1811 memcpy(bp->rx_q_ids, bp->tx_q_ids, sizeof(bp->rx_q_ids));
1812 }
1813 /* Get the HW capabilities */
1814 rc = bnxt_hwrm_func_qcaps(bp);
1815 if (rc)
1816 return rc;
1817
1818 /* Register the driver with the FW */
1819 rc = bnxt_drv_rgtr(bp);
1820 if (rc)
1821 return rc;
1822 if (bp->hwrm_spec_code >= 0x10803) {
1823 rc = bnxt_alloc_ctx_mem(bp);
1824 if (rc) {
1825 device_printf(bp->dev, "attach: alloc_ctx_mem failed\n");
1826 return rc;
1827 }
1828 rc = bnxt_hwrm_func_resc_qcaps(bp, true);
1829 if (!rc)
1830 bp->flags |= BNXT_FLAG_FW_CAP_NEW_RM;
1831 }
1832
1833 if (BNXT_CHIP_P5(bp))
1834 bnxt_hwrm_reserve_pf_rings(bp);
1835 /* Get the current configuration of this function */
1836 rc = bnxt_hwrm_func_qcfg(bp);
1837 if (rc) {
1838 device_printf(bp->dev, "re-init: hwrm func qcfg failed\n");
1839 return rc;
1840 }
1841
1842 bnxt_msix_intr_assign(bp->ctx, 0);
1843 bnxt_init(bp->ctx);
1844 bnxt_intr_enable(bp->ctx);
1845
1846 if (test_and_clear_bit(BNXT_STATE_FW_RESET_DET, &bp->state)) {
1847 if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) {
1848 bnxt_ulp_start(bp, 0);
1849 }
1850 }
1851
1852 device_printf(bp->dev, "Network interface is UP and operational\n");
1853
1854 return rc;
1855 }
bnxt_fw_reset_abort(struct bnxt_softc * bp,int rc)1856 static void bnxt_fw_reset_abort(struct bnxt_softc *bp, int rc)
1857 {
1858 clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state);
1859 if (bp->fw_reset_state != BNXT_FW_RESET_STATE_POLL_VF) {
1860 bnxt_ulp_start(bp, rc);
1861 }
1862 bp->fw_reset_state = 0;
1863 }
1864
bnxt_fw_reset_task(struct work_struct * work)1865 static void bnxt_fw_reset_task(struct work_struct *work)
1866 {
1867 struct bnxt_softc *bp = container_of(work, struct bnxt_softc, fw_reset_task.work);
1868 int rc = 0;
1869
1870 if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) {
1871 device_printf(bp->dev, "bnxt_fw_reset_task() called when not in fw reset mode!\n");
1872 return;
1873 }
1874
1875 switch (bp->fw_reset_state) {
1876 case BNXT_FW_RESET_STATE_POLL_FW_DOWN: {
1877 u32 val;
1878
1879 val = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG);
1880 if (!(val & BNXT_FW_STATUS_SHUTDOWN) &&
1881 !bnxt_fw_reset_timeout(bp)) {
1882 bnxt_queue_fw_reset_work(bp, HZ / 5);
1883 return;
1884 }
1885
1886 if (!bp->fw_health->primary) {
1887 u32 wait_dsecs = bp->fw_health->normal_func_wait_dsecs;
1888
1889 bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV;
1890 bnxt_queue_fw_reset_work(bp, wait_dsecs * HZ / 10);
1891 return;
1892 }
1893 bp->fw_reset_state = BNXT_FW_RESET_STATE_RESET_FW;
1894 }
1895 fallthrough;
1896 case BNXT_FW_RESET_STATE_RESET_FW:
1897 bnxt_reset_all(bp);
1898 bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV;
1899 bnxt_queue_fw_reset_work(bp, bp->fw_reset_min_dsecs * HZ / 10);
1900 return;
1901 case BNXT_FW_RESET_STATE_ENABLE_DEV:
1902 bnxt_inv_fw_health_reg(bp);
1903 if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) &&
1904 !bp->fw_reset_min_dsecs) {
1905 u16 val;
1906
1907 val = pci_read_config(bp->dev, PCI_SUBSYSTEM_ID, 2);
1908 if (val == 0xffff) {
1909 if (bnxt_fw_reset_timeout(bp)) {
1910 device_printf(bp->dev, "Firmware reset aborted, PCI config space invalid\n");
1911 rc = -ETIMEDOUT;
1912 goto fw_reset_abort;
1913 }
1914 bnxt_queue_fw_reset_work(bp, HZ / 1000);
1915 return;
1916 }
1917 }
1918 clear_bit(BNXT_STATE_FW_FATAL_COND, &bp->state);
1919 clear_bit(BNXT_STATE_FW_NON_FATAL_COND, &bp->state);
1920 if (!pci_is_enabled(bp->pdev)) {
1921 if (pci_enable_device(bp->pdev)) {
1922 device_printf(bp->dev, "Cannot re-enable PCI device\n");
1923 rc = -ENODEV;
1924 goto fw_reset_abort;
1925 }
1926 }
1927 pci_set_master(bp->pdev);
1928 bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW;
1929 fallthrough;
1930 case BNXT_FW_RESET_STATE_POLL_FW:
1931 bp->hwrm_cmd_timeo = SHORT_HWRM_CMD_TIMEOUT;
1932 rc = bnxt_hwrm_poll(bp);
1933 if (rc) {
1934 if (bnxt_fw_reset_timeout(bp)) {
1935 device_printf(bp->dev, "Firmware reset aborted\n");
1936 goto fw_reset_abort_status;
1937 }
1938 bnxt_queue_fw_reset_work(bp, HZ / 5);
1939 return;
1940 }
1941 bp->hwrm_cmd_timeo = DFLT_HWRM_CMD_TIMEOUT;
1942 bp->fw_reset_state = BNXT_FW_RESET_STATE_OPENING;
1943 fallthrough;
1944 case BNXT_FW_RESET_STATE_OPENING:
1945 rc = bnxt_open(bp);
1946 if (rc) {
1947 device_printf(bp->dev, "bnxt_open() failed during FW reset\n");
1948 bnxt_fw_reset_abort(bp, rc);
1949 rtnl_unlock();
1950 return;
1951 }
1952
1953 if ((bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) &&
1954 bp->fw_health->enabled) {
1955 bp->fw_health->last_fw_reset_cnt =
1956 bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG);
1957 }
1958 bp->fw_reset_state = 0;
1959 smp_mb__before_atomic();
1960 clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state);
1961 bnxt_ulp_start(bp, 0);
1962 clear_bit(BNXT_STATE_FW_ACTIVATE, &bp->state);
1963 set_bit(BNXT_STATE_OPEN, &bp->state);
1964 rtnl_unlock();
1965 }
1966 return;
1967
1968 fw_reset_abort_status:
1969 if (bp->fw_health->status_reliable ||
1970 (bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) {
1971 u32 sts = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG);
1972
1973 device_printf(bp->dev, "fw_health_status 0x%x\n", sts);
1974 }
1975 fw_reset_abort:
1976 rtnl_lock();
1977 bnxt_fw_reset_abort(bp, rc);
1978 rtnl_unlock();
1979 }
1980
bnxt_force_fw_reset(struct bnxt_softc * bp)1981 static void bnxt_force_fw_reset(struct bnxt_softc *bp)
1982 {
1983 struct bnxt_fw_health *fw_health = bp->fw_health;
1984 u32 wait_dsecs;
1985
1986 if (!test_bit(BNXT_STATE_OPEN, &bp->state) ||
1987 test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
1988 return;
1989 bnxt_fw_reset_close(bp);
1990 wait_dsecs = fw_health->master_func_wait_dsecs;
1991 if (fw_health->primary) {
1992 if (fw_health->flags & HWRM_ERROR_RECOVERY_QCFG_OUTPUT_FLAGS_CO_CPU)
1993 wait_dsecs = 0;
1994 bp->fw_reset_state = BNXT_FW_RESET_STATE_RESET_FW;
1995 } else {
1996 bp->fw_reset_timestamp = jiffies + wait_dsecs * HZ / 10;
1997 wait_dsecs = fw_health->normal_func_wait_dsecs;
1998 bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV;
1999 }
2000
2001 bp->fw_reset_min_dsecs = fw_health->post_reset_wait_dsecs;
2002 bp->fw_reset_max_dsecs = fw_health->post_reset_max_wait_dsecs;
2003 bnxt_queue_fw_reset_work(bp, wait_dsecs * HZ / 10);
2004 }
2005
bnxt_fw_exception(struct bnxt_softc * bp)2006 static void bnxt_fw_exception(struct bnxt_softc *bp)
2007 {
2008 device_printf(bp->dev, "Detected firmware fatal condition, initiating reset\n");
2009 set_bit(BNXT_STATE_FW_FATAL_COND, &bp->state);
2010 bnxt_rtnl_lock_sp(bp);
2011 bnxt_force_fw_reset(bp);
2012 bnxt_rtnl_unlock_sp(bp);
2013 }
2014
__bnxt_fw_recover(struct bnxt_softc * bp)2015 static void __bnxt_fw_recover(struct bnxt_softc *bp)
2016 {
2017 if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) ||
2018 test_bit(BNXT_STATE_FW_NON_FATAL_COND, &bp->state))
2019 bnxt_fw_reset(bp);
2020 else
2021 bnxt_fw_exception(bp);
2022 }
2023
bnxt_devlink_health_fw_report(struct bnxt_softc * bp)2024 static void bnxt_devlink_health_fw_report(struct bnxt_softc *bp)
2025 {
2026 struct bnxt_fw_health *fw_health = bp->fw_health;
2027
2028 if (!fw_health)
2029 return;
2030
2031 if (!fw_health->fw_reporter) {
2032 __bnxt_fw_recover(bp);
2033 return;
2034 }
2035 }
2036
bnxt_sp_task(struct work_struct * work)2037 static void bnxt_sp_task(struct work_struct *work)
2038 {
2039 struct bnxt_softc *bp = container_of(work, struct bnxt_softc, sp_task);
2040
2041 set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
2042 smp_mb__after_atomic();
2043 if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
2044 clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
2045 return;
2046 }
2047
2048 if (test_and_clear_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &bp->sp_event)) {
2049 if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) ||
2050 test_bit(BNXT_STATE_FW_NON_FATAL_COND, &bp->state))
2051 bnxt_devlink_health_fw_report(bp);
2052 else
2053 bnxt_fw_reset(bp);
2054 }
2055
2056 if (test_and_clear_bit(BNXT_FW_EXCEPTION_SP_EVENT, &bp->sp_event)) {
2057 if (!is_bnxt_fw_ok(bp))
2058 bnxt_devlink_health_fw_report(bp);
2059 }
2060 smp_mb__before_atomic();
2061 clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
2062 }
2063
2064 /* Device setup and teardown */
2065 static int
bnxt_attach_pre(if_ctx_t ctx)2066 bnxt_attach_pre(if_ctx_t ctx)
2067 {
2068 struct bnxt_softc *softc = iflib_get_softc(ctx);
2069 if_softc_ctx_t scctx;
2070 int rc = 0;
2071
2072 softc->ctx = ctx;
2073 softc->dev = iflib_get_dev(ctx);
2074 softc->media = iflib_get_media(ctx);
2075 softc->scctx = iflib_get_softc_ctx(ctx);
2076 softc->sctx = iflib_get_sctx(ctx);
2077 scctx = softc->scctx;
2078
2079 /* TODO: Better way of detecting NPAR/VF is needed */
2080 switch (pci_get_device(softc->dev)) {
2081 case BCM57402_NPAR:
2082 case BCM57404_NPAR:
2083 case BCM57406_NPAR:
2084 case BCM57407_NPAR:
2085 case BCM57412_NPAR1:
2086 case BCM57412_NPAR2:
2087 case BCM57414_NPAR1:
2088 case BCM57414_NPAR2:
2089 case BCM57416_NPAR1:
2090 case BCM57416_NPAR2:
2091 softc->flags |= BNXT_FLAG_NPAR;
2092 break;
2093 case NETXTREME_C_VF1:
2094 case NETXTREME_C_VF2:
2095 case NETXTREME_C_VF3:
2096 case NETXTREME_E_VF1:
2097 case NETXTREME_E_VF2:
2098 case NETXTREME_E_VF3:
2099 softc->flags |= BNXT_FLAG_VF;
2100 break;
2101 }
2102
2103 softc->domain = pci_get_domain(softc->dev);
2104 softc->bus = pci_get_bus(softc->dev);
2105 softc->slot = pci_get_slot(softc->dev);
2106 softc->function = pci_get_function(softc->dev);
2107 softc->dev_fn = PCI_DEVFN(softc->slot, softc->function);
2108
2109 if (bnxt_num_pfs == 0)
2110 SLIST_INIT(&pf_list);
2111 bnxt_num_pfs++;
2112 softc->list.softc = softc;
2113 SLIST_INSERT_HEAD(&pf_list, &softc->list, next);
2114
2115 pci_enable_busmaster(softc->dev);
2116
2117 if (bnxt_pci_mapping(softc)) {
2118 device_printf(softc->dev, "PCI mapping failed\n");
2119 rc = ENXIO;
2120 goto pci_map_fail;
2121 }
2122
2123 softc->pdev = kzalloc(sizeof(*softc->pdev), GFP_KERNEL);
2124 if (!softc->pdev) {
2125 device_printf(softc->dev, "pdev alloc failed\n");
2126 rc = -ENOMEM;
2127 goto free_pci_map;
2128 }
2129
2130 rc = linux_pci_attach_device(softc->dev, NULL, NULL, softc->pdev);
2131 if (rc) {
2132 device_printf(softc->dev, "Failed to attach Linux PCI device 0x%x\n", rc);
2133 goto pci_attach_fail;
2134 }
2135
2136 /* HWRM setup/init */
2137 BNXT_HWRM_LOCK_INIT(softc, device_get_nameunit(softc->dev));
2138 rc = bnxt_alloc_hwrm_dma_mem(softc);
2139 if (rc)
2140 goto dma_fail;
2141
2142 /* Get firmware version and compare with driver */
2143 softc->ver_info = malloc(sizeof(struct bnxt_ver_info),
2144 M_DEVBUF, M_NOWAIT | M_ZERO);
2145 if (softc->ver_info == NULL) {
2146 rc = ENOMEM;
2147 device_printf(softc->dev,
2148 "Unable to allocate space for version info\n");
2149 goto ver_alloc_fail;
2150 }
2151 /* Default minimum required HWRM version */
2152 softc->ver_info->hwrm_min_major = HWRM_VERSION_MAJOR;
2153 softc->ver_info->hwrm_min_minor = HWRM_VERSION_MINOR;
2154 softc->ver_info->hwrm_min_update = HWRM_VERSION_UPDATE;
2155
2156 rc = bnxt_hwrm_ver_get(softc);
2157 if (rc) {
2158 device_printf(softc->dev, "attach: hwrm ver get failed\n");
2159 goto ver_fail;
2160 }
2161
2162 /* Now perform a function reset */
2163 rc = bnxt_hwrm_func_reset(softc);
2164
2165 if ((softc->flags & BNXT_FLAG_SHORT_CMD) ||
2166 softc->hwrm_max_ext_req_len > BNXT_HWRM_MAX_REQ_LEN) {
2167 rc = bnxt_alloc_hwrm_short_cmd_req(softc);
2168 if (rc)
2169 goto hwrm_short_cmd_alloc_fail;
2170 }
2171
2172 if ((softc->ver_info->chip_num == BCM57508) ||
2173 (softc->ver_info->chip_num == BCM57504) ||
2174 (softc->ver_info->chip_num == BCM57502))
2175 softc->flags |= BNXT_FLAG_CHIP_P5;
2176
2177 softc->flags |= BNXT_FLAG_TPA;
2178
2179 if (BNXT_CHIP_P5(softc) && (!softc->ver_info->chip_rev) &&
2180 (!softc->ver_info->chip_metal))
2181 softc->flags &= ~BNXT_FLAG_TPA;
2182
2183 if (BNXT_CHIP_P5(softc))
2184 softc->flags &= ~BNXT_FLAG_TPA;
2185
2186 /* Get NVRAM info */
2187 if (BNXT_PF(softc)) {
2188 if (!bnxt_pf_wq) {
2189 bnxt_pf_wq =
2190 create_singlethread_workqueue("bnxt_pf_wq");
2191 if (!bnxt_pf_wq) {
2192 device_printf(softc->dev, "Unable to create workqueue.\n");
2193 rc = -ENOMEM;
2194 goto nvm_alloc_fail;
2195 }
2196 }
2197
2198 softc->nvm_info = malloc(sizeof(struct bnxt_nvram_info),
2199 M_DEVBUF, M_NOWAIT | M_ZERO);
2200 if (softc->nvm_info == NULL) {
2201 rc = ENOMEM;
2202 device_printf(softc->dev,
2203 "Unable to allocate space for NVRAM info\n");
2204 goto nvm_alloc_fail;
2205 }
2206
2207 rc = bnxt_hwrm_nvm_get_dev_info(softc, &softc->nvm_info->mfg_id,
2208 &softc->nvm_info->device_id, &softc->nvm_info->sector_size,
2209 &softc->nvm_info->size, &softc->nvm_info->reserved_size,
2210 &softc->nvm_info->available_size);
2211 }
2212
2213 if (BNXT_CHIP_P5(softc)) {
2214 softc->db_ops.bnxt_db_tx = bnxt_thor_db_tx;
2215 softc->db_ops.bnxt_db_rx = bnxt_thor_db_rx;
2216 softc->db_ops.bnxt_db_rx_cq = bnxt_thor_db_rx_cq;
2217 softc->db_ops.bnxt_db_tx_cq = bnxt_thor_db_tx_cq;
2218 softc->db_ops.bnxt_db_nq = bnxt_thor_db_nq;
2219 } else {
2220 softc->db_ops.bnxt_db_tx = bnxt_cuw_db_tx;
2221 softc->db_ops.bnxt_db_rx = bnxt_cuw_db_rx;
2222 softc->db_ops.bnxt_db_rx_cq = bnxt_cuw_db_cq;
2223 softc->db_ops.bnxt_db_tx_cq = bnxt_cuw_db_cq;
2224 }
2225
2226
2227 /* Get the queue config */
2228 rc = bnxt_hwrm_queue_qportcfg(softc, HWRM_QUEUE_QPORTCFG_INPUT_FLAGS_PATH_TX);
2229 if (rc) {
2230 device_printf(softc->dev, "attach: hwrm qportcfg (tx) failed\n");
2231 goto failed;
2232 }
2233 if (softc->is_asym_q) {
2234 rc = bnxt_hwrm_queue_qportcfg(softc,
2235 HWRM_QUEUE_QPORTCFG_INPUT_FLAGS_PATH_RX);
2236 if (rc) {
2237 device_printf(softc->dev, "attach: hwrm qportcfg (rx) failed\n");
2238 return rc;
2239 }
2240 bnxt_verify_asym_queues(softc);
2241 } else {
2242 softc->rx_max_q = softc->tx_max_q;
2243 memcpy(softc->rx_q_info, softc->tx_q_info, sizeof(softc->rx_q_info));
2244 memcpy(softc->rx_q_ids, softc->tx_q_ids, sizeof(softc->rx_q_ids));
2245 }
2246
2247 /* Get the HW capabilities */
2248 rc = bnxt_hwrm_func_qcaps(softc);
2249 if (rc)
2250 goto failed;
2251
2252 /*
2253 * Register the driver with the FW
2254 * Register the async events with the FW
2255 */
2256 rc = bnxt_drv_rgtr(softc);
2257 if (rc)
2258 goto failed;
2259
2260 if (softc->hwrm_spec_code >= 0x10803) {
2261 rc = bnxt_alloc_ctx_mem(softc);
2262 if (rc) {
2263 device_printf(softc->dev, "attach: alloc_ctx_mem failed\n");
2264 return rc;
2265 }
2266 rc = bnxt_hwrm_func_resc_qcaps(softc, true);
2267 if (!rc)
2268 softc->flags |= BNXT_FLAG_FW_CAP_NEW_RM;
2269 }
2270
2271 /* Get the current configuration of this function */
2272 rc = bnxt_hwrm_func_qcfg(softc);
2273 if (rc) {
2274 device_printf(softc->dev, "attach: hwrm func qcfg failed\n");
2275 goto failed;
2276 }
2277
2278 iflib_set_mac(ctx, softc->func.mac_addr);
2279
2280 scctx->isc_txrx = &bnxt_txrx;
2281 scctx->isc_tx_csum_flags = (CSUM_IP | CSUM_TCP | CSUM_UDP |
2282 CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_TSO);
2283 scctx->isc_capabilities = scctx->isc_capenable =
2284 /* These are translated to hwassit bits */
2285 IFCAP_TXCSUM | IFCAP_TXCSUM_IPV6 | IFCAP_TSO4 | IFCAP_TSO6 |
2286 /* These are checked by iflib */
2287 IFCAP_LRO | IFCAP_VLAN_HWFILTER |
2288 /* These are part of the iflib mask */
2289 IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6 | IFCAP_VLAN_MTU |
2290 IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO |
2291 /* These likely get lost... */
2292 IFCAP_VLAN_HWCSUM | IFCAP_JUMBO_MTU;
2293
2294 if (bnxt_wol_supported(softc))
2295 scctx->isc_capabilities |= IFCAP_WOL_MAGIC;
2296 bnxt_get_wol_settings(softc);
2297 if (softc->wol)
2298 scctx->isc_capenable |= IFCAP_WOL_MAGIC;
2299
2300 /* Get the queue config */
2301 bnxt_get_wol_settings(softc);
2302 if (BNXT_CHIP_P5(softc))
2303 bnxt_hwrm_reserve_pf_rings(softc);
2304 rc = bnxt_hwrm_func_qcfg(softc);
2305 if (rc) {
2306 device_printf(softc->dev, "attach: hwrm func qcfg failed\n");
2307 goto failed;
2308 }
2309
2310 bnxt_clear_ids(softc);
2311 if (rc)
2312 goto failed;
2313
2314 /* Now set up iflib sc */
2315 scctx->isc_tx_nsegments = 31,
2316 scctx->isc_tx_tso_segments_max = 31;
2317 scctx->isc_tx_tso_size_max = BNXT_TSO_SIZE;
2318 scctx->isc_tx_tso_segsize_max = BNXT_TSO_SIZE;
2319 scctx->isc_vectors = softc->func.max_cp_rings;
2320 scctx->isc_min_frame_size = BNXT_MIN_FRAME_SIZE;
2321 scctx->isc_txrx = &bnxt_txrx;
2322
2323 if (scctx->isc_nrxd[0] <
2324 ((scctx->isc_nrxd[1] * 4) + scctx->isc_nrxd[2]))
2325 device_printf(softc->dev,
2326 "WARNING: nrxd0 (%d) should be at least 4 * nrxd1 (%d) + nrxd2 (%d). Driver may be unstable\n",
2327 scctx->isc_nrxd[0], scctx->isc_nrxd[1], scctx->isc_nrxd[2]);
2328 if (scctx->isc_ntxd[0] < scctx->isc_ntxd[1] * 2)
2329 device_printf(softc->dev,
2330 "WARNING: ntxd0 (%d) should be at least 2 * ntxd1 (%d). Driver may be unstable\n",
2331 scctx->isc_ntxd[0], scctx->isc_ntxd[1]);
2332 scctx->isc_txqsizes[0] = sizeof(struct cmpl_base) * scctx->isc_ntxd[0];
2333 scctx->isc_txqsizes[1] = sizeof(struct tx_bd_short) *
2334 scctx->isc_ntxd[1];
2335 scctx->isc_txqsizes[2] = sizeof(struct cmpl_base) * scctx->isc_ntxd[2];
2336 scctx->isc_rxqsizes[0] = sizeof(struct cmpl_base) * scctx->isc_nrxd[0];
2337 scctx->isc_rxqsizes[1] = sizeof(struct rx_prod_pkt_bd) *
2338 scctx->isc_nrxd[1];
2339 scctx->isc_rxqsizes[2] = sizeof(struct rx_prod_pkt_bd) *
2340 scctx->isc_nrxd[2];
2341
2342 scctx->isc_nrxqsets_max = min(pci_msix_count(softc->dev)-1,
2343 softc->fn_qcfg.alloc_completion_rings - 1);
2344 scctx->isc_nrxqsets_max = min(scctx->isc_nrxqsets_max,
2345 softc->fn_qcfg.alloc_rx_rings);
2346 scctx->isc_nrxqsets_max = min(scctx->isc_nrxqsets_max,
2347 softc->fn_qcfg.alloc_vnics);
2348 scctx->isc_ntxqsets_max = min(softc->fn_qcfg.alloc_tx_rings,
2349 softc->fn_qcfg.alloc_completion_rings - scctx->isc_nrxqsets_max - 1);
2350
2351 scctx->isc_rss_table_size = HW_HASH_INDEX_SIZE;
2352 scctx->isc_rss_table_mask = scctx->isc_rss_table_size - 1;
2353
2354 /* iflib will map and release this bar */
2355 scctx->isc_msix_bar = pci_msix_table_bar(softc->dev);
2356
2357 /*
2358 * Default settings for HW LRO (TPA):
2359 * Disable HW LRO by default
2360 * Can be enabled after taking care of 'packet forwarding'
2361 */
2362 if (softc->flags & BNXT_FLAG_TPA) {
2363 softc->hw_lro.enable = 0;
2364 softc->hw_lro.is_mode_gro = 0;
2365 softc->hw_lro.max_agg_segs = 5; /* 2^5 = 32 segs */
2366 softc->hw_lro.max_aggs = HWRM_VNIC_TPA_CFG_INPUT_MAX_AGGS_MAX;
2367 softc->hw_lro.min_agg_len = 512;
2368 }
2369
2370 /* Allocate the default completion ring */
2371 softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE;
2372 softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2373 softc->def_cp_ring.ring.softc = softc;
2374 softc->def_cp_ring.ring.id = 0;
2375 softc->def_cp_ring.ring.doorbell = (BNXT_CHIP_P5(softc)) ?
2376 DB_PF_OFFSET_P5 : softc->def_cp_ring.ring.id * 0x80;
2377 softc->def_cp_ring.ring.ring_size = PAGE_SIZE /
2378 sizeof(struct cmpl_base);
2379 rc = iflib_dma_alloc(ctx,
2380 sizeof(struct cmpl_base) * softc->def_cp_ring.ring.ring_size,
2381 &softc->def_cp_ring_mem, 0);
2382 softc->def_cp_ring.ring.vaddr = softc->def_cp_ring_mem.idi_vaddr;
2383 softc->def_cp_ring.ring.paddr = softc->def_cp_ring_mem.idi_paddr;
2384 iflib_config_gtask_init(ctx, &softc->def_cp_task, bnxt_def_cp_task,
2385 "dflt_cp");
2386
2387 rc = bnxt_init_sysctl_ctx(softc);
2388 if (rc)
2389 goto init_sysctl_failed;
2390 if (BNXT_PF(softc)) {
2391 rc = bnxt_create_nvram_sysctls(softc->nvm_info);
2392 if (rc)
2393 goto failed;
2394 }
2395
2396 arc4rand(softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE, 0);
2397 softc->vnic_info.rss_hash_type =
2398 HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4 |
2399 HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4 |
2400 HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4 |
2401 HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6 |
2402 HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6 |
2403 HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6;
2404 rc = bnxt_create_config_sysctls_pre(softc);
2405 if (rc)
2406 goto failed;
2407
2408 rc = bnxt_create_hw_lro_sysctls(softc);
2409 if (rc)
2410 goto failed;
2411
2412 rc = bnxt_create_pause_fc_sysctls(softc);
2413 if (rc)
2414 goto failed;
2415
2416 rc = bnxt_create_dcb_sysctls(softc);
2417 if (rc)
2418 goto failed;
2419
2420 set_bit(BNXT_STATE_OPEN, &softc->state);
2421 INIT_WORK(&softc->sp_task, bnxt_sp_task);
2422 INIT_DELAYED_WORK(&softc->fw_reset_task, bnxt_fw_reset_task);
2423
2424 /* Initialize the vlan list */
2425 SLIST_INIT(&softc->vnic_info.vlan_tags);
2426 softc->vnic_info.vlan_tag_list.idi_vaddr = NULL;
2427 softc->state_bv = bit_alloc(BNXT_STATE_MAX, M_DEVBUF,
2428 M_WAITOK|M_ZERO);
2429
2430 return (rc);
2431
2432 failed:
2433 bnxt_free_sysctl_ctx(softc);
2434 init_sysctl_failed:
2435 bnxt_hwrm_func_drv_unrgtr(softc, false);
2436 if (BNXT_PF(softc))
2437 free(softc->nvm_info, M_DEVBUF);
2438 nvm_alloc_fail:
2439 bnxt_free_hwrm_short_cmd_req(softc);
2440 hwrm_short_cmd_alloc_fail:
2441 ver_fail:
2442 free(softc->ver_info, M_DEVBUF);
2443 ver_alloc_fail:
2444 bnxt_free_hwrm_dma_mem(softc);
2445 dma_fail:
2446 BNXT_HWRM_LOCK_DESTROY(softc);
2447 if (softc->pdev)
2448 linux_pci_detach_device(softc->pdev);
2449 pci_attach_fail:
2450 kfree(softc->pdev);
2451 softc->pdev = NULL;
2452 free_pci_map:
2453 bnxt_pci_mapping_free(softc);
2454 pci_map_fail:
2455 pci_disable_busmaster(softc->dev);
2456 return (rc);
2457 }
2458
2459 static int
bnxt_attach_post(if_ctx_t ctx)2460 bnxt_attach_post(if_ctx_t ctx)
2461 {
2462 struct bnxt_softc *softc = iflib_get_softc(ctx);
2463 if_t ifp = iflib_get_ifp(ctx);
2464 int rc;
2465
2466 softc->ifp = ifp;
2467 bnxt_create_config_sysctls_post(softc);
2468
2469 /* Update link state etc... */
2470 rc = bnxt_probe_phy(softc);
2471 if (rc)
2472 goto failed;
2473
2474 /* Needs to be done after probing the phy */
2475 bnxt_create_ver_sysctls(softc);
2476 ifmedia_removeall(softc->media);
2477 bnxt_add_media_types(softc);
2478 ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO);
2479
2480 softc->scctx->isc_max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN +
2481 ETHER_CRC_LEN;
2482
2483 softc->rx_buf_size = min(softc->scctx->isc_max_frame_size, BNXT_PAGE_SIZE);
2484 bnxt_dcb_init(softc);
2485 bnxt_rdma_aux_device_init(softc);
2486
2487 failed:
2488 return rc;
2489 }
2490
2491 static int
bnxt_detach(if_ctx_t ctx)2492 bnxt_detach(if_ctx_t ctx)
2493 {
2494 struct bnxt_softc *softc = iflib_get_softc(ctx);
2495 struct bnxt_vlan_tag *tag;
2496 struct bnxt_vlan_tag *tmp;
2497 int i;
2498
2499 bnxt_rdma_aux_device_uninit(softc);
2500 cancel_delayed_work_sync(&softc->fw_reset_task);
2501 cancel_work_sync(&softc->sp_task);
2502 bnxt_dcb_free(softc);
2503 SLIST_REMOVE(&pf_list, &softc->list, bnxt_softc_list, next);
2504 bnxt_num_pfs--;
2505 bnxt_wol_config(ctx);
2506 bnxt_do_disable_intr(&softc->def_cp_ring);
2507 bnxt_free_sysctl_ctx(softc);
2508 bnxt_hwrm_func_reset(softc);
2509 bnxt_free_ctx_mem(softc);
2510 bnxt_clear_ids(softc);
2511 iflib_irq_free(ctx, &softc->def_cp_ring.irq);
2512 iflib_config_gtask_deinit(&softc->def_cp_task);
2513 /* We need to free() these here... */
2514 for (i = softc->nrxqsets-1; i>=0; i--) {
2515 if (BNXT_CHIP_P5(softc))
2516 iflib_irq_free(ctx, &softc->nq_rings[i].irq);
2517 else
2518 iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq);
2519
2520 }
2521 iflib_dma_free(&softc->vnic_info.mc_list);
2522 iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl);
2523 iflib_dma_free(&softc->vnic_info.rss_grp_tbl);
2524 if (softc->vnic_info.vlan_tag_list.idi_vaddr)
2525 iflib_dma_free(&softc->vnic_info.vlan_tag_list);
2526 SLIST_FOREACH_SAFE(tag, &softc->vnic_info.vlan_tags, next, tmp)
2527 free(tag, M_DEVBUF);
2528 iflib_dma_free(&softc->def_cp_ring_mem);
2529 for (i = 0; i < softc->nrxqsets; i++)
2530 free(softc->rx_rings[i].tpa_start, M_DEVBUF);
2531 free(softc->ver_info, M_DEVBUF);
2532 if (BNXT_PF(softc))
2533 free(softc->nvm_info, M_DEVBUF);
2534
2535 bnxt_hwrm_func_drv_unrgtr(softc, false);
2536 bnxt_free_hwrm_dma_mem(softc);
2537 bnxt_free_hwrm_short_cmd_req(softc);
2538 BNXT_HWRM_LOCK_DESTROY(softc);
2539
2540 if (!bnxt_num_pfs && bnxt_pf_wq)
2541 destroy_workqueue(bnxt_pf_wq);
2542
2543 if (softc->pdev)
2544 linux_pci_detach_device(softc->pdev);
2545 free(softc->state_bv, M_DEVBUF);
2546 pci_disable_busmaster(softc->dev);
2547 bnxt_pci_mapping_free(softc);
2548
2549 return 0;
2550 }
2551
2552 static void
bnxt_hwrm_resource_free(struct bnxt_softc * softc)2553 bnxt_hwrm_resource_free(struct bnxt_softc *softc)
2554 {
2555 int i, rc = 0;
2556
2557 rc = bnxt_hwrm_ring_free(softc,
2558 HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
2559 &softc->def_cp_ring.ring,
2560 (uint16_t)HWRM_NA_SIGNATURE);
2561 if (rc)
2562 goto fail;
2563
2564 for (i = 0; i < softc->ntxqsets; i++) {
2565 rc = bnxt_hwrm_ring_free(softc,
2566 HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
2567 &softc->tx_rings[i],
2568 softc->tx_cp_rings[i].ring.phys_id);
2569 if (rc)
2570 goto fail;
2571
2572 rc = bnxt_hwrm_ring_free(softc,
2573 HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
2574 &softc->tx_cp_rings[i].ring,
2575 (uint16_t)HWRM_NA_SIGNATURE);
2576 if (rc)
2577 goto fail;
2578
2579 rc = bnxt_hwrm_stat_ctx_free(softc, &softc->tx_cp_rings[i]);
2580 if (rc)
2581 goto fail;
2582 }
2583 rc = bnxt_hwrm_free_filter(softc);
2584 if (rc)
2585 goto fail;
2586
2587 rc = bnxt_hwrm_vnic_free(softc, &softc->vnic_info);
2588 if (rc)
2589 goto fail;
2590
2591 rc = bnxt_hwrm_vnic_ctx_free(softc, softc->vnic_info.rss_id);
2592 if (rc)
2593 goto fail;
2594
2595 for (i = 0; i < softc->nrxqsets; i++) {
2596 rc = bnxt_hwrm_ring_grp_free(softc, &softc->grp_info[i]);
2597 if (rc)
2598 goto fail;
2599
2600 rc = bnxt_hwrm_ring_free(softc,
2601 HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG,
2602 &softc->ag_rings[i],
2603 (uint16_t)HWRM_NA_SIGNATURE);
2604 if (rc)
2605 goto fail;
2606
2607 rc = bnxt_hwrm_ring_free(softc,
2608 HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
2609 &softc->rx_rings[i],
2610 softc->rx_cp_rings[i].ring.phys_id);
2611 if (rc)
2612 goto fail;
2613
2614 rc = bnxt_hwrm_ring_free(softc,
2615 HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
2616 &softc->rx_cp_rings[i].ring,
2617 (uint16_t)HWRM_NA_SIGNATURE);
2618 if (rc)
2619 goto fail;
2620
2621 if (BNXT_CHIP_P5(softc)) {
2622 rc = bnxt_hwrm_ring_free(softc,
2623 HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ,
2624 &softc->nq_rings[i].ring,
2625 (uint16_t)HWRM_NA_SIGNATURE);
2626 if (rc)
2627 goto fail;
2628 }
2629
2630 rc = bnxt_hwrm_stat_ctx_free(softc, &softc->rx_cp_rings[i]);
2631 if (rc)
2632 goto fail;
2633 }
2634
2635 fail:
2636 return;
2637 }
2638
2639
2640 static void
bnxt_func_reset(struct bnxt_softc * softc)2641 bnxt_func_reset(struct bnxt_softc *softc)
2642 {
2643
2644 if (!BNXT_CHIP_P5(softc)) {
2645 bnxt_hwrm_func_reset(softc);
2646 return;
2647 }
2648
2649 bnxt_hwrm_resource_free(softc);
2650 return;
2651 }
2652
2653 static void
bnxt_rss_grp_tbl_init(struct bnxt_softc * softc)2654 bnxt_rss_grp_tbl_init(struct bnxt_softc *softc)
2655 {
2656 uint16_t *rgt = (uint16_t *) softc->vnic_info.rss_grp_tbl.idi_vaddr;
2657 int i, j;
2658
2659 for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++) {
2660 if (BNXT_CHIP_P5(softc)) {
2661 rgt[i++] = htole16(softc->rx_rings[j].phys_id);
2662 rgt[i] = htole16(softc->rx_cp_rings[j].ring.phys_id);
2663 } else {
2664 rgt[i] = htole16(softc->grp_info[j].grp_id);
2665 }
2666 if (++j == softc->nrxqsets)
2667 j = 0;
2668 }
2669 }
2670
bnxt_get_port_module_status(struct bnxt_softc * softc)2671 static void bnxt_get_port_module_status(struct bnxt_softc *softc)
2672 {
2673 struct bnxt_link_info *link_info = &softc->link_info;
2674 struct hwrm_port_phy_qcfg_output *resp = &link_info->phy_qcfg_resp;
2675 uint8_t module_status;
2676
2677 if (bnxt_update_link(softc, false))
2678 return;
2679
2680 module_status = link_info->module_status;
2681 switch (module_status) {
2682 case HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_DISABLETX:
2683 case HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_PWRDOWN:
2684 case HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_WARNINGMSG:
2685 device_printf(softc->dev, "Unqualified SFP+ module detected on port %d\n",
2686 softc->pf.port_id);
2687 if (softc->hwrm_spec_code >= 0x10201) {
2688 device_printf(softc->dev, "Module part number %s\n",
2689 resp->phy_vendor_partnumber);
2690 }
2691 if (module_status == HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_DISABLETX)
2692 device_printf(softc->dev, "TX is disabled\n");
2693 if (module_status == HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_PWRDOWN)
2694 device_printf(softc->dev, "SFP+ module is shutdown\n");
2695 }
2696 }
2697
bnxt_aux_dev_free(struct bnxt_softc * softc)2698 static void bnxt_aux_dev_free(struct bnxt_softc *softc)
2699 {
2700 kfree(softc->aux_dev);
2701 softc->aux_dev = NULL;
2702 }
2703
bnxt_aux_dev_init(struct bnxt_softc * softc)2704 static struct bnxt_aux_dev *bnxt_aux_dev_init(struct bnxt_softc *softc)
2705 {
2706 struct bnxt_aux_dev *bnxt_adev;
2707
2708 msleep(1000 * 2);
2709 bnxt_adev = kzalloc(sizeof(*bnxt_adev), GFP_KERNEL);
2710 if (!bnxt_adev)
2711 return ERR_PTR(-ENOMEM);
2712
2713 return bnxt_adev;
2714 }
2715
bnxt_rdma_aux_device_uninit(struct bnxt_softc * softc)2716 static void bnxt_rdma_aux_device_uninit(struct bnxt_softc *softc)
2717 {
2718 struct bnxt_aux_dev *bnxt_adev = softc->aux_dev;
2719
2720 /* Skip if no auxiliary device init was done. */
2721 if (!(softc->flags & BNXT_FLAG_ROCE_CAP))
2722 return;
2723
2724 if (IS_ERR_OR_NULL(bnxt_adev))
2725 return;
2726
2727 bnxt_rdma_aux_device_del(softc);
2728
2729 if (bnxt_adev->id >= 0)
2730 ida_free(&bnxt_aux_dev_ids, bnxt_adev->id);
2731
2732 bnxt_aux_dev_free(softc);
2733 }
2734
bnxt_rdma_aux_device_init(struct bnxt_softc * softc)2735 static void bnxt_rdma_aux_device_init(struct bnxt_softc *softc)
2736 {
2737 int rc;
2738
2739 if (!(softc->flags & BNXT_FLAG_ROCE_CAP))
2740 return;
2741
2742 softc->aux_dev = bnxt_aux_dev_init(softc);
2743 if (IS_ERR_OR_NULL(softc->aux_dev)) {
2744 device_printf(softc->dev, "Failed to init auxiliary device for ROCE\n");
2745 goto skip_aux_init;
2746 }
2747
2748 softc->aux_dev->id = ida_alloc(&bnxt_aux_dev_ids, GFP_KERNEL);
2749 if (softc->aux_dev->id < 0) {
2750 device_printf(softc->dev, "ida alloc failed for ROCE auxiliary device\n");
2751 bnxt_aux_dev_free(softc);
2752 goto skip_aux_init;
2753 }
2754
2755 msleep(1000 * 2);
2756 /* If aux bus init fails, continue with netdev init. */
2757 rc = bnxt_rdma_aux_device_add(softc);
2758 if (rc) {
2759 device_printf(softc->dev, "Failed to add auxiliary device for ROCE\n");
2760 msleep(1000 * 2);
2761 ida_free(&bnxt_aux_dev_ids, softc->aux_dev->id);
2762 }
2763 device_printf(softc->dev, "%s:%d Added auxiliary device (id %d) for ROCE \n",
2764 __func__, __LINE__, softc->aux_dev->id);
2765 skip_aux_init:
2766 return;
2767 }
2768
2769 /* Device configuration */
2770 static void
bnxt_init(if_ctx_t ctx)2771 bnxt_init(if_ctx_t ctx)
2772 {
2773 struct bnxt_softc *softc = iflib_get_softc(ctx);
2774 struct ifmediareq ifmr;
2775 int i;
2776 int rc;
2777
2778 if (!BNXT_CHIP_P5(softc)) {
2779 rc = bnxt_hwrm_func_reset(softc);
2780 if (rc)
2781 return;
2782 } else if (softc->is_dev_init) {
2783 bnxt_stop(ctx);
2784 }
2785
2786 softc->is_dev_init = true;
2787 bnxt_clear_ids(softc);
2788
2789 if (BNXT_CHIP_P5(softc))
2790 goto skip_def_cp_ring;
2791 /* Allocate the default completion ring */
2792 softc->def_cp_ring.cons = UINT32_MAX;
2793 softc->def_cp_ring.v_bit = 1;
2794 bnxt_mark_cpr_invalid(&softc->def_cp_ring);
2795 rc = bnxt_hwrm_ring_alloc(softc,
2796 HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
2797 &softc->def_cp_ring.ring);
2798 if (rc)
2799 goto fail;
2800 skip_def_cp_ring:
2801 for (i = 0; i < softc->nrxqsets; i++) {
2802 /* Allocate the statistics context */
2803 rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->rx_cp_rings[i],
2804 softc->rx_stats[i].idi_paddr);
2805 if (rc)
2806 goto fail;
2807
2808 if (BNXT_CHIP_P5(softc)) {
2809 /* Allocate the NQ */
2810 softc->nq_rings[i].cons = 0;
2811 softc->nq_rings[i].v_bit = 1;
2812 softc->nq_rings[i].last_idx = UINT32_MAX;
2813 bnxt_mark_cpr_invalid(&softc->nq_rings[i]);
2814 rc = bnxt_hwrm_ring_alloc(softc,
2815 HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ,
2816 &softc->nq_rings[i].ring);
2817 if (rc)
2818 goto fail;
2819
2820 softc->db_ops.bnxt_db_nq(&softc->nq_rings[i], 1);
2821 }
2822 /* Allocate the completion ring */
2823 softc->rx_cp_rings[i].cons = UINT32_MAX;
2824 softc->rx_cp_rings[i].v_bit = 1;
2825 softc->rx_cp_rings[i].last_idx = UINT32_MAX;
2826 bnxt_mark_cpr_invalid(&softc->rx_cp_rings[i]);
2827 rc = bnxt_hwrm_ring_alloc(softc,
2828 HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
2829 &softc->rx_cp_rings[i].ring);
2830 if (rc)
2831 goto fail;
2832
2833 if (BNXT_CHIP_P5(softc))
2834 softc->db_ops.bnxt_db_rx_cq(&softc->rx_cp_rings[i], 1);
2835
2836 /* Allocate the RX ring */
2837 rc = bnxt_hwrm_ring_alloc(softc,
2838 HWRM_RING_ALLOC_INPUT_RING_TYPE_RX, &softc->rx_rings[i]);
2839 if (rc)
2840 goto fail;
2841 softc->db_ops.bnxt_db_rx(&softc->rx_rings[i], 0);
2842
2843 /* Allocate the AG ring */
2844 rc = bnxt_hwrm_ring_alloc(softc,
2845 HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG,
2846 &softc->ag_rings[i]);
2847 if (rc)
2848 goto fail;
2849 softc->db_ops.bnxt_db_rx(&softc->ag_rings[i], 0);
2850
2851 /* Allocate the ring group */
2852 softc->grp_info[i].stats_ctx =
2853 softc->rx_cp_rings[i].stats_ctx_id;
2854 softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id;
2855 softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id;
2856 softc->grp_info[i].cp_ring_id =
2857 softc->rx_cp_rings[i].ring.phys_id;
2858 rc = bnxt_hwrm_ring_grp_alloc(softc, &softc->grp_info[i]);
2859 if (rc)
2860 goto fail;
2861 }
2862
2863 /* And now set the default CP / NQ ring for the async */
2864 rc = bnxt_cfg_async_cr(softc);
2865 if (rc)
2866 goto fail;
2867
2868 /* Allocate the VNIC RSS context */
2869 rc = bnxt_hwrm_vnic_ctx_alloc(softc, &softc->vnic_info.rss_id);
2870 if (rc)
2871 goto fail;
2872
2873 /* Allocate the vnic */
2874 softc->vnic_info.def_ring_grp = softc->grp_info[0].grp_id;
2875 softc->vnic_info.mru = softc->scctx->isc_max_frame_size;
2876 rc = bnxt_hwrm_vnic_alloc(softc, &softc->vnic_info);
2877 if (rc)
2878 goto fail;
2879 rc = bnxt_hwrm_vnic_cfg(softc, &softc->vnic_info);
2880 if (rc)
2881 goto fail;
2882 rc = bnxt_hwrm_vnic_set_hds(softc, &softc->vnic_info);
2883 if (rc)
2884 goto fail;
2885 rc = bnxt_hwrm_set_filter(softc);
2886 if (rc)
2887 goto fail;
2888
2889 bnxt_rss_grp_tbl_init(softc);
2890
2891 rc = bnxt_hwrm_rss_cfg(softc, &softc->vnic_info,
2892 softc->vnic_info.rss_hash_type);
2893 if (rc)
2894 goto fail;
2895
2896 rc = bnxt_hwrm_vnic_tpa_cfg(softc);
2897 if (rc)
2898 goto fail;
2899
2900 for (i = 0; i < softc->ntxqsets; i++) {
2901 /* Allocate the statistics context */
2902 rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->tx_cp_rings[i],
2903 softc->tx_stats[i].idi_paddr);
2904 if (rc)
2905 goto fail;
2906
2907 /* Allocate the completion ring */
2908 softc->tx_cp_rings[i].cons = UINT32_MAX;
2909 softc->tx_cp_rings[i].v_bit = 1;
2910 bnxt_mark_cpr_invalid(&softc->tx_cp_rings[i]);
2911 rc = bnxt_hwrm_ring_alloc(softc,
2912 HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
2913 &softc->tx_cp_rings[i].ring);
2914 if (rc)
2915 goto fail;
2916
2917 if (BNXT_CHIP_P5(softc))
2918 softc->db_ops.bnxt_db_tx_cq(&softc->tx_cp_rings[i], 1);
2919
2920 /* Allocate the TX ring */
2921 rc = bnxt_hwrm_ring_alloc(softc,
2922 HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
2923 &softc->tx_rings[i]);
2924 if (rc)
2925 goto fail;
2926 softc->db_ops.bnxt_db_tx(&softc->tx_rings[i], 0);
2927 }
2928
2929 bnxt_do_enable_intr(&softc->def_cp_ring);
2930 bnxt_get_port_module_status(softc);
2931 bnxt_media_status(softc->ctx, &ifmr);
2932 bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
2933 return;
2934
2935 fail:
2936 bnxt_func_reset(softc);
2937 bnxt_clear_ids(softc);
2938 return;
2939 }
2940
2941 static void
bnxt_stop(if_ctx_t ctx)2942 bnxt_stop(if_ctx_t ctx)
2943 {
2944 struct bnxt_softc *softc = iflib_get_softc(ctx);
2945
2946 softc->is_dev_init = false;
2947 bnxt_do_disable_intr(&softc->def_cp_ring);
2948 bnxt_func_reset(softc);
2949 bnxt_clear_ids(softc);
2950 return;
2951 }
2952
2953 static u_int
bnxt_copy_maddr(void * arg,struct sockaddr_dl * sdl,u_int cnt)2954 bnxt_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
2955 {
2956 uint8_t *mta = arg;
2957
2958 if (cnt == BNXT_MAX_MC_ADDRS)
2959 return (1);
2960
2961 bcopy(LLADDR(sdl), &mta[cnt * ETHER_ADDR_LEN], ETHER_ADDR_LEN);
2962
2963 return (1);
2964 }
2965
2966 static void
bnxt_multi_set(if_ctx_t ctx)2967 bnxt_multi_set(if_ctx_t ctx)
2968 {
2969 struct bnxt_softc *softc = iflib_get_softc(ctx);
2970 if_t ifp = iflib_get_ifp(ctx);
2971 uint8_t *mta;
2972 int mcnt;
2973
2974 mta = softc->vnic_info.mc_list.idi_vaddr;
2975 bzero(mta, softc->vnic_info.mc_list.idi_size);
2976 mcnt = if_foreach_llmaddr(ifp, bnxt_copy_maddr, mta);
2977
2978 if (mcnt > BNXT_MAX_MC_ADDRS) {
2979 softc->vnic_info.rx_mask |=
2980 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
2981 bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
2982 } else {
2983 softc->vnic_info.rx_mask &=
2984 ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
2985 bus_dmamap_sync(softc->vnic_info.mc_list.idi_tag,
2986 softc->vnic_info.mc_list.idi_map, BUS_DMASYNC_PREWRITE);
2987 softc->vnic_info.mc_list_count = mcnt;
2988 softc->vnic_info.rx_mask |=
2989 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_MCAST;
2990 if (bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info))
2991 device_printf(softc->dev,
2992 "set_multi: rx_mask set failed\n");
2993 }
2994 }
2995
2996 static int
bnxt_mtu_set(if_ctx_t ctx,uint32_t mtu)2997 bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu)
2998 {
2999 struct bnxt_softc *softc = iflib_get_softc(ctx);
3000
3001 if (mtu > BNXT_MAX_MTU)
3002 return EINVAL;
3003
3004 softc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
3005 softc->rx_buf_size = min(softc->scctx->isc_max_frame_size, BNXT_PAGE_SIZE);
3006 return 0;
3007 }
3008
3009 static void
bnxt_media_status(if_ctx_t ctx,struct ifmediareq * ifmr)3010 bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
3011 {
3012 struct bnxt_softc *softc = iflib_get_softc(ctx);
3013 struct bnxt_link_info *link_info = &softc->link_info;
3014 struct ifmedia_entry *next;
3015 uint64_t target_baudrate = bnxt_get_baudrate(link_info);
3016 int active_media = IFM_UNKNOWN;
3017
3018 bnxt_update_link(softc, true);
3019
3020 ifmr->ifm_status = IFM_AVALID;
3021 ifmr->ifm_active = IFM_ETHER;
3022
3023 if (link_info->link_up)
3024 ifmr->ifm_status |= IFM_ACTIVE;
3025 else
3026 ifmr->ifm_status &= ~IFM_ACTIVE;
3027
3028 if (link_info->duplex == HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL)
3029 ifmr->ifm_active |= IFM_FDX;
3030 else
3031 ifmr->ifm_active |= IFM_HDX;
3032
3033 /*
3034 * Go through the list of supported media which got prepared
3035 * as part of bnxt_add_media_types() using api ifmedia_add().
3036 */
3037 LIST_FOREACH(next, &(iflib_get_media(ctx)->ifm_list), ifm_list) {
3038 if (ifmedia_baudrate(next->ifm_media) == target_baudrate) {
3039 active_media = next->ifm_media;
3040 break;
3041 }
3042 }
3043 ifmr->ifm_active |= active_media;
3044
3045 if (link_info->flow_ctrl.rx)
3046 ifmr->ifm_active |= IFM_ETH_RXPAUSE;
3047 if (link_info->flow_ctrl.tx)
3048 ifmr->ifm_active |= IFM_ETH_TXPAUSE;
3049
3050 bnxt_report_link(softc);
3051 return;
3052 }
3053
3054 static int
bnxt_media_change(if_ctx_t ctx)3055 bnxt_media_change(if_ctx_t ctx)
3056 {
3057 struct bnxt_softc *softc = iflib_get_softc(ctx);
3058 struct ifmedia *ifm = iflib_get_media(ctx);
3059 struct ifmediareq ifmr;
3060 int rc;
3061
3062 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
3063 return EINVAL;
3064
3065 softc->link_info.req_signal_mode =
3066 HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4;
3067
3068 switch (IFM_SUBTYPE(ifm->ifm_media)) {
3069 case IFM_100_T:
3070 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3071 softc->link_info.req_link_speed =
3072 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100MB;
3073 break;
3074 case IFM_1000_KX:
3075 case IFM_1000_SGMII:
3076 case IFM_1000_CX:
3077 case IFM_1000_SX:
3078 case IFM_1000_LX:
3079 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3080 softc->link_info.req_link_speed =
3081 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_1GB;
3082 break;
3083 case IFM_2500_KX:
3084 case IFM_2500_T:
3085 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3086 softc->link_info.req_link_speed =
3087 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_2_5GB;
3088 break;
3089 case IFM_10G_CR1:
3090 case IFM_10G_KR:
3091 case IFM_10G_LR:
3092 case IFM_10G_SR:
3093 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3094 softc->link_info.req_link_speed =
3095 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_10GB;
3096 break;
3097 case IFM_20G_KR2:
3098 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3099 softc->link_info.req_link_speed =
3100 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_20GB;
3101 break;
3102 case IFM_25G_CR:
3103 case IFM_25G_KR:
3104 case IFM_25G_SR:
3105 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3106 softc->link_info.req_link_speed =
3107 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_25GB;
3108 break;
3109 case IFM_40G_CR4:
3110 case IFM_40G_KR4:
3111 case IFM_40G_LR4:
3112 case IFM_40G_SR4:
3113 case IFM_40G_XLAUI:
3114 case IFM_40G_XLAUI_AC:
3115 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3116 softc->link_info.req_link_speed =
3117 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_40GB;
3118 break;
3119 case IFM_50G_CR2:
3120 case IFM_50G_KR2:
3121 case IFM_50G_SR2:
3122 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3123 softc->link_info.req_link_speed =
3124 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_50GB;
3125 break;
3126 case IFM_50G_CP:
3127 case IFM_50G_LR:
3128 case IFM_50G_SR:
3129 case IFM_50G_KR_PAM4:
3130 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3131 softc->link_info.req_link_speed =
3132 HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_50GB;
3133 softc->link_info.req_signal_mode =
3134 HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4;
3135 softc->link_info.force_pam4_speed_set_by_user = true;
3136 break;
3137 case IFM_100G_CR4:
3138 case IFM_100G_KR4:
3139 case IFM_100G_LR4:
3140 case IFM_100G_SR4:
3141 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3142 softc->link_info.req_link_speed =
3143 HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100GB;
3144 break;
3145 case IFM_100G_CP2:
3146 case IFM_100G_SR2:
3147 case IFM_100G_KR_PAM4:
3148 case IFM_100G_KR2_PAM4:
3149 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3150 softc->link_info.req_link_speed =
3151 HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_100GB;
3152 softc->link_info.req_signal_mode =
3153 HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4;
3154 softc->link_info.force_pam4_speed_set_by_user = true;
3155 break;
3156 case IFM_200G_SR4:
3157 case IFM_200G_FR4:
3158 case IFM_200G_LR4:
3159 case IFM_200G_DR4:
3160 case IFM_200G_CR4_PAM4:
3161 case IFM_200G_KR4_PAM4:
3162 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
3163 softc->link_info.req_link_speed =
3164 HWRM_PORT_PHY_CFG_INPUT_FORCE_PAM4_LINK_SPEED_200GB;
3165 softc->link_info.force_pam4_speed_set_by_user = true;
3166 softc->link_info.req_signal_mode =
3167 HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_PAM4;
3168 break;
3169 case IFM_1000_T:
3170 softc->link_info.advertising = HWRM_PORT_PHY_CFG_INPUT_AUTO_LINK_SPEED_MASK_1GB;
3171 softc->link_info.autoneg |= BNXT_AUTONEG_SPEED;
3172 break;
3173 case IFM_10G_T:
3174 softc->link_info.advertising = HWRM_PORT_PHY_CFG_INPUT_AUTO_LINK_SPEED_MASK_10GB;
3175 softc->link_info.autoneg |= BNXT_AUTONEG_SPEED;
3176 break;
3177 default:
3178 device_printf(softc->dev,
3179 "Unsupported media type! Using auto\n");
3180 /* Fall-through */
3181 case IFM_AUTO:
3182 // Auto
3183 softc->link_info.autoneg |= BNXT_AUTONEG_SPEED;
3184 break;
3185 }
3186 rc = bnxt_hwrm_set_link_setting(softc, true, true, true);
3187 bnxt_media_status(softc->ctx, &ifmr);
3188 return rc;
3189 }
3190
3191 static int
bnxt_promisc_set(if_ctx_t ctx,int flags)3192 bnxt_promisc_set(if_ctx_t ctx, int flags)
3193 {
3194 struct bnxt_softc *softc = iflib_get_softc(ctx);
3195 if_t ifp = iflib_get_ifp(ctx);
3196 int rc;
3197
3198 if (if_getflags(ifp) & IFF_ALLMULTI ||
3199 if_llmaddr_count(ifp) > BNXT_MAX_MC_ADDRS)
3200 softc->vnic_info.rx_mask |=
3201 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
3202 else
3203 softc->vnic_info.rx_mask &=
3204 ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
3205
3206 if (if_getflags(ifp) & IFF_PROMISC)
3207 softc->vnic_info.rx_mask |=
3208 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS |
3209 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN;
3210 else
3211 softc->vnic_info.rx_mask &=
3212 ~(HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS);
3213
3214 rc = bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
3215
3216 return rc;
3217 }
3218
3219 static uint64_t
bnxt_get_counter(if_ctx_t ctx,ift_counter cnt)3220 bnxt_get_counter(if_ctx_t ctx, ift_counter cnt)
3221 {
3222 if_t ifp = iflib_get_ifp(ctx);
3223
3224 if (cnt < IFCOUNTERS)
3225 return if_get_counter_default(ifp, cnt);
3226
3227 return 0;
3228 }
3229
3230 static void
bnxt_update_admin_status(if_ctx_t ctx)3231 bnxt_update_admin_status(if_ctx_t ctx)
3232 {
3233 struct bnxt_softc *softc = iflib_get_softc(ctx);
3234
3235 /*
3236 * When SR-IOV is enabled, avoid each VF sending this HWRM
3237 * request every sec with which firmware timeouts can happen
3238 */
3239 if (!BNXT_PF(softc))
3240 return;
3241
3242 bnxt_hwrm_port_qstats(softc);
3243
3244 if (BNXT_CHIP_P5(softc) &&
3245 (softc->flags & BNXT_FLAG_FW_CAP_EXT_STATS))
3246 bnxt_hwrm_port_qstats_ext(softc);
3247
3248 if (BNXT_CHIP_P5(softc)) {
3249 struct ifmediareq ifmr;
3250
3251 if (bit_test(softc->state_bv, BNXT_STATE_LINK_CHANGE)) {
3252 bit_clear(softc->state_bv, BNXT_STATE_LINK_CHANGE);
3253 bnxt_media_status(softc->ctx, &ifmr);
3254 }
3255 }
3256
3257 return;
3258 }
3259
3260 static void
bnxt_if_timer(if_ctx_t ctx,uint16_t qid)3261 bnxt_if_timer(if_ctx_t ctx, uint16_t qid)
3262 {
3263
3264 struct bnxt_softc *softc = iflib_get_softc(ctx);
3265 uint64_t ticks_now = ticks;
3266
3267 /* Schedule bnxt_update_admin_status() once per sec */
3268 if (ticks_now - softc->admin_ticks >= hz) {
3269 softc->admin_ticks = ticks_now;
3270 iflib_admin_intr_deferred(ctx);
3271 }
3272
3273 return;
3274 }
3275
3276 static void inline
bnxt_do_enable_intr(struct bnxt_cp_ring * cpr)3277 bnxt_do_enable_intr(struct bnxt_cp_ring *cpr)
3278 {
3279 struct bnxt_softc *softc = cpr->ring.softc;
3280
3281 if (cpr->ring.phys_id == (uint16_t)HWRM_NA_SIGNATURE)
3282 return;
3283
3284 if (BNXT_CHIP_P5(softc))
3285 softc->db_ops.bnxt_db_nq(cpr, 1);
3286 else
3287 softc->db_ops.bnxt_db_rx_cq(cpr, 1);
3288 }
3289
3290 static void inline
bnxt_do_disable_intr(struct bnxt_cp_ring * cpr)3291 bnxt_do_disable_intr(struct bnxt_cp_ring *cpr)
3292 {
3293 struct bnxt_softc *softc = cpr->ring.softc;
3294
3295 if (cpr->ring.phys_id == (uint16_t)HWRM_NA_SIGNATURE)
3296 return;
3297
3298 if (BNXT_CHIP_P5(softc))
3299 softc->db_ops.bnxt_db_nq(cpr, 0);
3300 else
3301 softc->db_ops.bnxt_db_rx_cq(cpr, 0);
3302 }
3303
3304 /* Enable all interrupts */
3305 static void
bnxt_intr_enable(if_ctx_t ctx)3306 bnxt_intr_enable(if_ctx_t ctx)
3307 {
3308 struct bnxt_softc *softc = iflib_get_softc(ctx);
3309 int i;
3310
3311 bnxt_do_enable_intr(&softc->def_cp_ring);
3312 for (i = 0; i < softc->nrxqsets; i++)
3313 if (BNXT_CHIP_P5(softc))
3314 softc->db_ops.bnxt_db_nq(&softc->nq_rings[i], 1);
3315 else
3316 softc->db_ops.bnxt_db_rx_cq(&softc->rx_cp_rings[i], 1);
3317
3318 return;
3319 }
3320
3321 /* Enable interrupt for a single queue */
3322 static int
bnxt_tx_queue_intr_enable(if_ctx_t ctx,uint16_t qid)3323 bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
3324 {
3325 struct bnxt_softc *softc = iflib_get_softc(ctx);
3326
3327 if (BNXT_CHIP_P5(softc))
3328 softc->db_ops.bnxt_db_nq(&softc->nq_rings[qid], 1);
3329 else
3330 softc->db_ops.bnxt_db_rx_cq(&softc->tx_cp_rings[qid], 1);
3331
3332 return 0;
3333 }
3334
3335 static void
bnxt_process_cmd_cmpl(struct bnxt_softc * softc,hwrm_cmpl_t * cmd_cmpl)3336 bnxt_process_cmd_cmpl(struct bnxt_softc *softc, hwrm_cmpl_t *cmd_cmpl)
3337 {
3338 device_printf(softc->dev, "cmd sequence number %d\n",
3339 cmd_cmpl->sequence_id);
3340 return;
3341 }
3342
3343 static void
bnxt_process_async_msg(struct bnxt_cp_ring * cpr,tx_cmpl_t * cmpl)3344 bnxt_process_async_msg(struct bnxt_cp_ring *cpr, tx_cmpl_t *cmpl)
3345 {
3346 struct bnxt_softc *softc = cpr->ring.softc;
3347 uint16_t type = cmpl->flags_type & TX_CMPL_TYPE_MASK;
3348
3349 switch (type) {
3350 case HWRM_CMPL_TYPE_HWRM_DONE:
3351 bnxt_process_cmd_cmpl(softc, (hwrm_cmpl_t *)cmpl);
3352 break;
3353 case HWRM_ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT:
3354 bnxt_handle_async_event(softc, (cmpl_base_t *) cmpl);
3355 break;
3356 default:
3357 device_printf(softc->dev, "%s:%d Unhandled async message %x\n",
3358 __FUNCTION__, __LINE__, type);
3359 break;
3360 }
3361 }
3362
3363 void
process_nq(struct bnxt_softc * softc,uint16_t nqid)3364 process_nq(struct bnxt_softc *softc, uint16_t nqid)
3365 {
3366 struct bnxt_cp_ring *cpr = &softc->nq_rings[nqid];
3367 nq_cn_t *cmp = (nq_cn_t *) cpr->ring.vaddr;
3368 bool v_bit = cpr->v_bit;
3369 uint32_t cons = cpr->cons;
3370 uint16_t nq_type, nqe_cnt = 0;
3371
3372 while (1) {
3373 if (!NQ_VALID(&cmp[cons], v_bit))
3374 goto done;
3375
3376 nq_type = NQ_CN_TYPE_MASK & cmp[cons].type;
3377
3378 if (nq_type != NQ_CN_TYPE_CQ_NOTIFICATION)
3379 bnxt_process_async_msg(cpr, (tx_cmpl_t *)&cmp[cons]);
3380
3381 NEXT_CP_CONS_V(&cpr->ring, cons, v_bit);
3382 nqe_cnt++;
3383 }
3384 done:
3385 if (nqe_cnt) {
3386 cpr->cons = cons;
3387 cpr->v_bit = v_bit;
3388 }
3389 }
3390
3391 static int
bnxt_rx_queue_intr_enable(if_ctx_t ctx,uint16_t qid)3392 bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
3393 {
3394 struct bnxt_softc *softc = iflib_get_softc(ctx);
3395
3396 if (BNXT_CHIP_P5(softc)) {
3397 process_nq(softc, qid);
3398 softc->db_ops.bnxt_db_nq(&softc->nq_rings[qid], 1);
3399 }
3400 softc->db_ops.bnxt_db_rx_cq(&softc->rx_cp_rings[qid], 1);
3401 return 0;
3402 }
3403
3404 /* Disable all interrupts */
3405 static void
bnxt_disable_intr(if_ctx_t ctx)3406 bnxt_disable_intr(if_ctx_t ctx)
3407 {
3408 struct bnxt_softc *softc = iflib_get_softc(ctx);
3409 int i;
3410
3411 /*
3412 * NOTE: These TX interrupts should never get enabled, so don't
3413 * update the index
3414 */
3415 for (i = 0; i < softc->nrxqsets; i++)
3416 if (BNXT_CHIP_P5(softc))
3417 softc->db_ops.bnxt_db_nq(&softc->nq_rings[i], 0);
3418 else
3419 softc->db_ops.bnxt_db_rx_cq(&softc->rx_cp_rings[i], 0);
3420
3421
3422 return;
3423 }
3424
3425 static int
bnxt_msix_intr_assign(if_ctx_t ctx,int msix)3426 bnxt_msix_intr_assign(if_ctx_t ctx, int msix)
3427 {
3428 struct bnxt_softc *softc = iflib_get_softc(ctx);
3429 struct bnxt_cp_ring *ring;
3430 struct if_irq *irq;
3431 uint16_t id;
3432 int rc;
3433 int i;
3434 char irq_name[16];
3435
3436 if (BNXT_CHIP_P5(softc))
3437 goto skip_default_cp;
3438
3439 rc = iflib_irq_alloc_generic(ctx, &softc->def_cp_ring.irq,
3440 softc->def_cp_ring.ring.id + 1, IFLIB_INTR_ADMIN,
3441 bnxt_handle_def_cp, softc, 0, "def_cp");
3442 if (rc) {
3443 device_printf(iflib_get_dev(ctx),
3444 "Failed to register default completion ring handler\n");
3445 return rc;
3446 }
3447
3448 skip_default_cp:
3449 for (i=0; i<softc->scctx->isc_nrxqsets; i++) {
3450 if (BNXT_CHIP_P5(softc)) {
3451 irq = &softc->nq_rings[i].irq;
3452 id = softc->nq_rings[i].ring.id;
3453 ring = &softc->nq_rings[i];
3454 } else {
3455 irq = &softc->rx_cp_rings[i].irq;
3456 id = softc->rx_cp_rings[i].ring.id ;
3457 ring = &softc->rx_cp_rings[i];
3458 }
3459 snprintf(irq_name, sizeof(irq_name), "rxq%d", i);
3460 rc = iflib_irq_alloc_generic(ctx, irq, id + 1, IFLIB_INTR_RX,
3461 bnxt_handle_isr, ring, i, irq_name);
3462 if (rc) {
3463 device_printf(iflib_get_dev(ctx),
3464 "Failed to register RX completion ring handler\n");
3465 i--;
3466 goto fail;
3467 }
3468 }
3469
3470 for (i=0; i<softc->scctx->isc_ntxqsets; i++)
3471 iflib_softirq_alloc_generic(ctx, NULL, IFLIB_INTR_TX, NULL, i, "tx_cp");
3472
3473 return rc;
3474
3475 fail:
3476 for (; i>=0; i--)
3477 iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq);
3478 iflib_irq_free(ctx, &softc->def_cp_ring.irq);
3479 return rc;
3480 }
3481
3482 /*
3483 * We're explicitly allowing duplicates here. They will need to be
3484 * removed as many times as they are added.
3485 */
3486 static void
bnxt_vlan_register(if_ctx_t ctx,uint16_t vtag)3487 bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag)
3488 {
3489 struct bnxt_softc *softc = iflib_get_softc(ctx);
3490 struct bnxt_vlan_tag *new_tag;
3491
3492 new_tag = malloc(sizeof(struct bnxt_vlan_tag), M_DEVBUF, M_NOWAIT);
3493 if (new_tag == NULL)
3494 return;
3495 new_tag->tag = vtag;
3496 new_tag->filter_id = -1;
3497 SLIST_INSERT_HEAD(&softc->vnic_info.vlan_tags, new_tag, next);
3498 };
3499
3500 static void
bnxt_vlan_unregister(if_ctx_t ctx,uint16_t vtag)3501 bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag)
3502 {
3503 struct bnxt_softc *softc = iflib_get_softc(ctx);
3504 struct bnxt_vlan_tag *vlan_tag;
3505
3506 SLIST_FOREACH(vlan_tag, &softc->vnic_info.vlan_tags, next) {
3507 if (vlan_tag->tag == vtag) {
3508 SLIST_REMOVE(&softc->vnic_info.vlan_tags, vlan_tag,
3509 bnxt_vlan_tag, next);
3510 free(vlan_tag, M_DEVBUF);
3511 break;
3512 }
3513 }
3514 }
3515
3516 static int
bnxt_wol_config(if_ctx_t ctx)3517 bnxt_wol_config(if_ctx_t ctx)
3518 {
3519 struct bnxt_softc *softc = iflib_get_softc(ctx);
3520 if_t ifp = iflib_get_ifp(ctx);
3521
3522 if (!softc)
3523 return -EBUSY;
3524
3525 if (!bnxt_wol_supported(softc))
3526 return -ENOTSUP;
3527
3528 if (if_getcapenable(ifp) & IFCAP_WOL_MAGIC) {
3529 if (!softc->wol) {
3530 if (bnxt_hwrm_alloc_wol_fltr(softc))
3531 return -EBUSY;
3532 softc->wol = 1;
3533 }
3534 } else {
3535 if (softc->wol) {
3536 if (bnxt_hwrm_free_wol_fltr(softc))
3537 return -EBUSY;
3538 softc->wol = 0;
3539 }
3540 }
3541
3542 return 0;
3543 }
3544
3545 static bool
bnxt_if_needs_restart(if_ctx_t ctx __unused,enum iflib_restart_event event)3546 bnxt_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
3547 {
3548 switch (event) {
3549 case IFLIB_RESTART_VLAN_CONFIG:
3550 default:
3551 return (false);
3552 }
3553 }
3554
3555 static int
bnxt_shutdown(if_ctx_t ctx)3556 bnxt_shutdown(if_ctx_t ctx)
3557 {
3558 bnxt_wol_config(ctx);
3559 return 0;
3560 }
3561
3562 static int
bnxt_suspend(if_ctx_t ctx)3563 bnxt_suspend(if_ctx_t ctx)
3564 {
3565 bnxt_wol_config(ctx);
3566 return 0;
3567 }
3568
3569 static int
bnxt_resume(if_ctx_t ctx)3570 bnxt_resume(if_ctx_t ctx)
3571 {
3572 struct bnxt_softc *softc = iflib_get_softc(ctx);
3573
3574 bnxt_get_wol_settings(softc);
3575 return 0;
3576 }
3577
3578 static int
bnxt_priv_ioctl(if_ctx_t ctx,u_long command,caddr_t data)3579 bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data)
3580 {
3581 struct bnxt_softc *softc = iflib_get_softc(ctx);
3582 struct ifreq *ifr = (struct ifreq *)data;
3583 struct bnxt_ioctl_header *ioh;
3584 size_t iol;
3585 int rc = ENOTSUP;
3586 struct bnxt_ioctl_data iod_storage, *iod = &iod_storage;
3587
3588 switch (command) {
3589 case SIOCGPRIVATE_0:
3590 if ((rc = priv_check(curthread, PRIV_DRIVER)) != 0)
3591 goto exit;
3592
3593 ioh = ifr_buffer_get_buffer(ifr);
3594 iol = ifr_buffer_get_length(ifr);
3595 if (iol > sizeof(iod_storage))
3596 return (EINVAL);
3597
3598 if ((rc = copyin(ioh, iod, iol)) != 0)
3599 goto exit;
3600
3601 switch (iod->hdr.type) {
3602 case BNXT_HWRM_NVM_FIND_DIR_ENTRY:
3603 {
3604 struct bnxt_ioctl_hwrm_nvm_find_dir_entry *find =
3605 &iod->find;
3606
3607 rc = bnxt_hwrm_nvm_find_dir_entry(softc, find->type,
3608 &find->ordinal, find->ext, &find->index,
3609 find->use_index, find->search_opt,
3610 &find->data_length, &find->item_length,
3611 &find->fw_ver);
3612 if (rc) {
3613 iod->hdr.rc = rc;
3614 rc = copyout(&iod->hdr.rc, &ioh->rc,
3615 sizeof(ioh->rc));
3616 } else {
3617 iod->hdr.rc = 0;
3618 rc = copyout(iod, ioh, iol);
3619 }
3620
3621 goto exit;
3622 }
3623 case BNXT_HWRM_NVM_READ:
3624 {
3625 struct bnxt_ioctl_hwrm_nvm_read *rd = &iod->read;
3626 struct iflib_dma_info dma_data;
3627 size_t offset;
3628 size_t remain;
3629 size_t csize;
3630
3631 /*
3632 * Some HWRM versions can't read more than 0x8000 bytes
3633 */
3634 rc = iflib_dma_alloc(softc->ctx,
3635 min(rd->length, 0x8000), &dma_data, BUS_DMA_NOWAIT);
3636 if (rc)
3637 break;
3638 for (remain = rd->length, offset = 0;
3639 remain && offset < rd->length; offset += 0x8000) {
3640 csize = min(remain, 0x8000);
3641 rc = bnxt_hwrm_nvm_read(softc, rd->index,
3642 rd->offset + offset, csize, &dma_data);
3643 if (rc) {
3644 iod->hdr.rc = rc;
3645 rc = copyout(&iod->hdr.rc, &ioh->rc,
3646 sizeof(ioh->rc));
3647 break;
3648 } else {
3649 rc = copyout(dma_data.idi_vaddr,
3650 rd->data + offset, csize);
3651 iod->hdr.rc = rc;
3652 }
3653 remain -= csize;
3654 }
3655 if (rc == 0)
3656 rc = copyout(iod, ioh, iol);
3657
3658 iflib_dma_free(&dma_data);
3659 goto exit;
3660 }
3661 case BNXT_HWRM_FW_RESET:
3662 {
3663 struct bnxt_ioctl_hwrm_fw_reset *rst =
3664 &iod->reset;
3665
3666 rc = bnxt_hwrm_fw_reset(softc, rst->processor,
3667 &rst->selfreset);
3668 if (rc) {
3669 iod->hdr.rc = rc;
3670 rc = copyout(&iod->hdr.rc, &ioh->rc,
3671 sizeof(ioh->rc));
3672 } else {
3673 iod->hdr.rc = 0;
3674 rc = copyout(iod, ioh, iol);
3675 }
3676
3677 goto exit;
3678 }
3679 case BNXT_HWRM_FW_QSTATUS:
3680 {
3681 struct bnxt_ioctl_hwrm_fw_qstatus *qstat =
3682 &iod->status;
3683
3684 rc = bnxt_hwrm_fw_qstatus(softc, qstat->processor,
3685 &qstat->selfreset);
3686 if (rc) {
3687 iod->hdr.rc = rc;
3688 rc = copyout(&iod->hdr.rc, &ioh->rc,
3689 sizeof(ioh->rc));
3690 } else {
3691 iod->hdr.rc = 0;
3692 rc = copyout(iod, ioh, iol);
3693 }
3694
3695 goto exit;
3696 }
3697 case BNXT_HWRM_NVM_WRITE:
3698 {
3699 struct bnxt_ioctl_hwrm_nvm_write *wr =
3700 &iod->write;
3701
3702 rc = bnxt_hwrm_nvm_write(softc, wr->data, true,
3703 wr->type, wr->ordinal, wr->ext, wr->attr,
3704 wr->option, wr->data_length, wr->keep,
3705 &wr->item_length, &wr->index);
3706 if (rc) {
3707 iod->hdr.rc = rc;
3708 rc = copyout(&iod->hdr.rc, &ioh->rc,
3709 sizeof(ioh->rc));
3710 }
3711 else {
3712 iod->hdr.rc = 0;
3713 rc = copyout(iod, ioh, iol);
3714 }
3715
3716 goto exit;
3717 }
3718 case BNXT_HWRM_NVM_ERASE_DIR_ENTRY:
3719 {
3720 struct bnxt_ioctl_hwrm_nvm_erase_dir_entry *erase =
3721 &iod->erase;
3722
3723 rc = bnxt_hwrm_nvm_erase_dir_entry(softc, erase->index);
3724 if (rc) {
3725 iod->hdr.rc = rc;
3726 rc = copyout(&iod->hdr.rc, &ioh->rc,
3727 sizeof(ioh->rc));
3728 } else {
3729 iod->hdr.rc = 0;
3730 rc = copyout(iod, ioh, iol);
3731 }
3732
3733 goto exit;
3734 }
3735 case BNXT_HWRM_NVM_GET_DIR_INFO:
3736 {
3737 struct bnxt_ioctl_hwrm_nvm_get_dir_info *info =
3738 &iod->dir_info;
3739
3740 rc = bnxt_hwrm_nvm_get_dir_info(softc, &info->entries,
3741 &info->entry_length);
3742 if (rc) {
3743 iod->hdr.rc = rc;
3744 rc = copyout(&iod->hdr.rc, &ioh->rc,
3745 sizeof(ioh->rc));
3746 } else {
3747 iod->hdr.rc = 0;
3748 rc = copyout(iod, ioh, iol);
3749 }
3750
3751 goto exit;
3752 }
3753 case BNXT_HWRM_NVM_GET_DIR_ENTRIES:
3754 {
3755 struct bnxt_ioctl_hwrm_nvm_get_dir_entries *get =
3756 &iod->dir_entries;
3757 struct iflib_dma_info dma_data;
3758
3759 rc = iflib_dma_alloc(softc->ctx, get->max_size,
3760 &dma_data, BUS_DMA_NOWAIT);
3761 if (rc)
3762 break;
3763 rc = bnxt_hwrm_nvm_get_dir_entries(softc, &get->entries,
3764 &get->entry_length, &dma_data);
3765 if (rc) {
3766 iod->hdr.rc = rc;
3767 rc = copyout(&iod->hdr.rc, &ioh->rc,
3768 sizeof(ioh->rc));
3769 } else {
3770 rc = copyout(dma_data.idi_vaddr, get->data,
3771 get->entry_length * get->entries);
3772 iod->hdr.rc = rc;
3773 if (rc == 0)
3774 rc = copyout(iod, ioh, iol);
3775 }
3776 iflib_dma_free(&dma_data);
3777
3778 goto exit;
3779 }
3780 case BNXT_HWRM_NVM_VERIFY_UPDATE:
3781 {
3782 struct bnxt_ioctl_hwrm_nvm_verify_update *vrfy =
3783 &iod->verify;
3784
3785 rc = bnxt_hwrm_nvm_verify_update(softc, vrfy->type,
3786 vrfy->ordinal, vrfy->ext);
3787 if (rc) {
3788 iod->hdr.rc = rc;
3789 rc = copyout(&iod->hdr.rc, &ioh->rc,
3790 sizeof(ioh->rc));
3791 } else {
3792 iod->hdr.rc = 0;
3793 rc = copyout(iod, ioh, iol);
3794 }
3795
3796 goto exit;
3797 }
3798 case BNXT_HWRM_NVM_INSTALL_UPDATE:
3799 {
3800 struct bnxt_ioctl_hwrm_nvm_install_update *inst =
3801 &iod->install;
3802
3803 rc = bnxt_hwrm_nvm_install_update(softc,
3804 inst->install_type, &inst->installed_items,
3805 &inst->result, &inst->problem_item,
3806 &inst->reset_required);
3807 if (rc) {
3808 iod->hdr.rc = rc;
3809 rc = copyout(&iod->hdr.rc, &ioh->rc,
3810 sizeof(ioh->rc));
3811 } else {
3812 iod->hdr.rc = 0;
3813 rc = copyout(iod, ioh, iol);
3814 }
3815
3816 goto exit;
3817 }
3818 case BNXT_HWRM_NVM_MODIFY:
3819 {
3820 struct bnxt_ioctl_hwrm_nvm_modify *mod = &iod->modify;
3821
3822 rc = bnxt_hwrm_nvm_modify(softc, mod->index,
3823 mod->offset, mod->data, true, mod->length);
3824 if (rc) {
3825 iod->hdr.rc = rc;
3826 rc = copyout(&iod->hdr.rc, &ioh->rc,
3827 sizeof(ioh->rc));
3828 } else {
3829 iod->hdr.rc = 0;
3830 rc = copyout(iod, ioh, iol);
3831 }
3832
3833 goto exit;
3834 }
3835 case BNXT_HWRM_FW_GET_TIME:
3836 {
3837 struct bnxt_ioctl_hwrm_fw_get_time *gtm =
3838 &iod->get_time;
3839
3840 rc = bnxt_hwrm_fw_get_time(softc, >m->year,
3841 >m->month, >m->day, >m->hour, >m->minute,
3842 >m->second, >m->millisecond, >m->zone);
3843 if (rc) {
3844 iod->hdr.rc = rc;
3845 rc = copyout(&iod->hdr.rc, &ioh->rc,
3846 sizeof(ioh->rc));
3847 } else {
3848 iod->hdr.rc = 0;
3849 rc = copyout(iod, ioh, iol);
3850 }
3851
3852 goto exit;
3853 }
3854 case BNXT_HWRM_FW_SET_TIME:
3855 {
3856 struct bnxt_ioctl_hwrm_fw_set_time *stm =
3857 &iod->set_time;
3858
3859 rc = bnxt_hwrm_fw_set_time(softc, stm->year,
3860 stm->month, stm->day, stm->hour, stm->minute,
3861 stm->second, stm->millisecond, stm->zone);
3862 if (rc) {
3863 iod->hdr.rc = rc;
3864 rc = copyout(&iod->hdr.rc, &ioh->rc,
3865 sizeof(ioh->rc));
3866 } else {
3867 iod->hdr.rc = 0;
3868 rc = copyout(iod, ioh, iol);
3869 }
3870
3871 goto exit;
3872 }
3873 }
3874 break;
3875 }
3876
3877 exit:
3878 return rc;
3879 }
3880
3881 static int
bnxt_i2c_req(if_ctx_t ctx,struct ifi2creq * i2c)3882 bnxt_i2c_req(if_ctx_t ctx, struct ifi2creq *i2c)
3883 {
3884 struct bnxt_softc *softc = iflib_get_softc(ctx);
3885 uint8_t *data = i2c->data;
3886 int rc;
3887
3888 /* No point in going further if phy status indicates
3889 * module is not inserted or if it is powered down or
3890 * if it is of type 10GBase-T
3891 */
3892 if (softc->link_info.module_status >
3893 HWRM_PORT_PHY_QCFG_OUTPUT_MODULE_STATUS_WARNINGMSG)
3894 return -EOPNOTSUPP;
3895
3896 /* This feature is not supported in older firmware versions */
3897 if (!BNXT_CHIP_P5(softc) ||
3898 (softc->hwrm_spec_code < 0x10202))
3899 return -EOPNOTSUPP;
3900
3901
3902 rc = bnxt_read_sfp_module_eeprom_info(softc, I2C_DEV_ADDR_A0, 0, 0, 0,
3903 i2c->offset, i2c->len, data);
3904
3905 return rc;
3906 }
3907
3908 /*
3909 * Support functions
3910 */
3911 static int
bnxt_probe_phy(struct bnxt_softc * softc)3912 bnxt_probe_phy(struct bnxt_softc *softc)
3913 {
3914 struct bnxt_link_info *link_info = &softc->link_info;
3915 int rc = 0;
3916
3917 softc->phy_flags = 0;
3918 rc = bnxt_hwrm_phy_qcaps(softc);
3919 if (rc) {
3920 device_printf(softc->dev,
3921 "Probe phy can't get phy capabilities (rc: %x)\n", rc);
3922 return rc;
3923 }
3924
3925 rc = bnxt_update_link(softc, false);
3926 if (rc) {
3927 device_printf(softc->dev,
3928 "Probe phy can't update link (rc: %x)\n", rc);
3929 return (rc);
3930 }
3931
3932 bnxt_get_port_module_status(softc);
3933
3934 /*initialize the ethool setting copy with NVM settings */
3935 if (link_info->auto_mode != HWRM_PORT_PHY_QCFG_OUTPUT_AUTO_MODE_NONE)
3936 link_info->autoneg |= BNXT_AUTONEG_SPEED;
3937
3938 link_info->req_duplex = link_info->duplex_setting;
3939
3940 /* NRZ link speed */
3941 if (link_info->autoneg & BNXT_AUTONEG_SPEED)
3942 link_info->req_link_speed = link_info->auto_link_speeds;
3943 else
3944 link_info->req_link_speed = link_info->force_link_speed;
3945
3946 /* PAM4 link speed */
3947 if (link_info->auto_pam4_link_speeds)
3948 link_info->req_link_speed = link_info->auto_pam4_link_speeds;
3949 if (link_info->force_pam4_link_speed)
3950 link_info->req_link_speed = link_info->force_pam4_link_speed;
3951
3952 return (rc);
3953 }
3954
3955 static void
add_media(struct bnxt_softc * softc,uint8_t media_type,uint16_t supported,uint16_t supported_pam4)3956 add_media(struct bnxt_softc *softc, uint8_t media_type, uint16_t supported,
3957 uint16_t supported_pam4)
3958 {
3959 switch (media_type) {
3960 case BNXT_MEDIA_CR:
3961 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_50G, IFM_50G_CP);
3962 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_100G, IFM_100G_CP2);
3963 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_200G, IFM_200G_CR4_PAM4);
3964 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_CR4);
3965 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_CR2);
3966 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_CR4);
3967 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_CR);
3968 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_CR1);
3969 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_CX);
3970 break;
3971
3972 case BNXT_MEDIA_LR:
3973 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_50G, IFM_50G_LR);
3974 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_200G, IFM_200G_LR4);
3975 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_LR4);
3976 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_LR2);
3977 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_LR4);
3978 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_LR);
3979 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_LR);
3980 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_LX);
3981 break;
3982
3983 case BNXT_MEDIA_SR:
3984 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_50G, IFM_50G_SR);
3985 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_100G, IFM_100G_SR2);
3986 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_200G, IFM_200G_SR4);
3987 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_SR4);
3988 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_SR2);
3989 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_SR4);
3990 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_SR);
3991 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_SR);
3992 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SX);
3993 break;
3994
3995 case BNXT_MEDIA_KR:
3996 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_50G, IFM_50G_KR_PAM4);
3997 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_100G, IFM_100G_KR2_PAM4);
3998 BNXT_IFMEDIA_ADD(supported_pam4, PAM4_SPEEDS_200G, IFM_200G_KR4_PAM4);
3999 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_KR4);
4000 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_KR2);
4001 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_KR4);
4002 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_KR4);
4003 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_KR);
4004 BNXT_IFMEDIA_ADD(supported, SPEEDS_20GB, IFM_20G_KR2);
4005 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR);
4006 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX);
4007 break;
4008
4009 default:
4010 break;
4011
4012 }
4013 return;
4014
4015 }
4016
4017 static void
bnxt_add_media_types(struct bnxt_softc * softc)4018 bnxt_add_media_types(struct bnxt_softc *softc)
4019 {
4020 struct bnxt_link_info *link_info = &softc->link_info;
4021 uint16_t supported = 0, supported_pam4 = 0;
4022 uint8_t phy_type = get_phy_type(softc), media_type;
4023
4024 supported = link_info->support_speeds;
4025 supported_pam4 = link_info->support_pam4_speeds;
4026
4027 /* Auto is always supported */
4028 ifmedia_add(softc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
4029
4030 if (softc->flags & BNXT_FLAG_NPAR)
4031 return;
4032
4033 switch (phy_type) {
4034 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_200G_BASECR4:
4035 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASECR4:
4036 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASECR2:
4037 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_50G_BASECR:
4038 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASECR4:
4039 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_L:
4040 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_S:
4041 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_N:
4042 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR:
4043 media_type = BNXT_MEDIA_CR;
4044 break;
4045
4046 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_200G_BASELR4:
4047 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASELR4:
4048 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_50G_BASELR:
4049 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASELR4:
4050 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASELR:
4051 media_type = BNXT_MEDIA_LR;
4052 break;
4053
4054 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_200G_BASESR4:
4055 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR10:
4056 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR4:
4057 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_50G_BASESR:
4058 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASESR4:
4059 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR:
4060 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASEER4:
4061 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASEER4:
4062 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_200G_BASEER4:
4063 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASESR:
4064 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASESX:
4065 media_type = BNXT_MEDIA_SR;
4066 break;
4067
4068 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR4:
4069 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR2:
4070 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR:
4071 media_type = BNXT_MEDIA_KR;
4072 break;
4073
4074 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_ACTIVE_CABLE:
4075 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_ACC);
4076 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_AOC);
4077 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_XLAUI);
4078 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_XLAUI_AC);
4079 return;
4080
4081 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASECX:
4082 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GBHD, IFM_1000_CX);
4083 return;
4084
4085 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASET:
4086 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET:
4087 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASETE:
4088 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_T);
4089 BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_T);
4090 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_T);
4091 BNXT_IFMEDIA_ADD(supported, SPEEDS_100MB, IFM_100_T);
4092 BNXT_IFMEDIA_ADD(supported, SPEEDS_10MB, IFM_10_T);
4093 return;
4094
4095 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX:
4096 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR);
4097 BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_KX);
4098 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX);
4099 return;
4100
4101 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_SGMIIEXTPHY:
4102 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SGMII);
4103 return;
4104
4105 case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN:
4106 /* Only Autoneg is supported for TYPE_UNKNOWN */
4107 return;
4108
4109 default:
4110 /* Only Autoneg is supported for new phy type values */
4111 device_printf(softc->dev, "phy type %d not supported by driver\n", phy_type);
4112 return;
4113 }
4114
4115 /* add_media is invoked twice, once with a firmware speed mask of 0 and a valid
4116 * value for both NRZ and PAM4 sig mode. This ensures accurate display of all
4117 * supported medias and currently configured media in the "ifconfig -m" output
4118 */
4119
4120 if (link_info->sig_mode == BNXT_SIG_MODE_PAM4) {
4121 add_media(softc, media_type, supported, 0);
4122 add_media(softc, media_type, 0, supported_pam4);
4123 } else {
4124 add_media(softc, media_type, 0, supported_pam4);
4125 add_media(softc, media_type, supported, 0);
4126 }
4127
4128 return;
4129 }
4130
4131 static int
bnxt_map_bar(struct bnxt_softc * softc,struct bnxt_bar_info * bar,int bar_num,bool shareable)4132 bnxt_map_bar(struct bnxt_softc *softc, struct bnxt_bar_info *bar, int bar_num, bool shareable)
4133 {
4134 uint32_t flag;
4135
4136 if (bar->res != NULL) {
4137 device_printf(softc->dev, "Bar %d already mapped\n", bar_num);
4138 return EDOOFUS;
4139 }
4140
4141 bar->rid = PCIR_BAR(bar_num);
4142 flag = RF_ACTIVE;
4143 if (shareable)
4144 flag |= RF_SHAREABLE;
4145
4146 if ((bar->res =
4147 bus_alloc_resource_any(softc->dev,
4148 SYS_RES_MEMORY,
4149 &bar->rid,
4150 flag)) == NULL) {
4151 device_printf(softc->dev,
4152 "PCI BAR%d mapping failure\n", bar_num);
4153 return (ENXIO);
4154 }
4155 bar->tag = rman_get_bustag(bar->res);
4156 bar->handle = rman_get_bushandle(bar->res);
4157 bar->size = rman_get_size(bar->res);
4158
4159 return 0;
4160 }
4161
4162 static int
bnxt_pci_mapping(struct bnxt_softc * softc)4163 bnxt_pci_mapping(struct bnxt_softc *softc)
4164 {
4165 int rc;
4166
4167 rc = bnxt_map_bar(softc, &softc->hwrm_bar, 0, true);
4168 if (rc)
4169 return rc;
4170
4171 rc = bnxt_map_bar(softc, &softc->doorbell_bar, 2, false);
4172
4173 return rc;
4174 }
4175
4176 static void
bnxt_pci_mapping_free(struct bnxt_softc * softc)4177 bnxt_pci_mapping_free(struct bnxt_softc *softc)
4178 {
4179 if (softc->hwrm_bar.res != NULL)
4180 bus_release_resource(softc->dev, SYS_RES_MEMORY,
4181 softc->hwrm_bar.rid, softc->hwrm_bar.res);
4182 softc->hwrm_bar.res = NULL;
4183
4184 if (softc->doorbell_bar.res != NULL)
4185 bus_release_resource(softc->dev, SYS_RES_MEMORY,
4186 softc->doorbell_bar.rid, softc->doorbell_bar.res);
4187 softc->doorbell_bar.res = NULL;
4188 }
4189
4190 static int
bnxt_update_link(struct bnxt_softc * softc,bool chng_link_state)4191 bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state)
4192 {
4193 struct bnxt_link_info *link_info = &softc->link_info;
4194 uint8_t link_up = link_info->link_up;
4195 int rc = 0;
4196
4197 rc = bnxt_hwrm_port_phy_qcfg(softc);
4198 if (rc)
4199 goto exit;
4200
4201 /* TODO: need to add more logic to report VF link */
4202 if (chng_link_state) {
4203 if (link_info->phy_link_status ==
4204 HWRM_PORT_PHY_QCFG_OUTPUT_LINK_LINK)
4205 link_info->link_up = 1;
4206 else
4207 link_info->link_up = 0;
4208 if (link_up != link_info->link_up)
4209 bnxt_report_link(softc);
4210 } else {
4211 /* always link down if not require to update link state */
4212 link_info->link_up = 0;
4213 }
4214
4215 exit:
4216 return rc;
4217 }
4218
4219 #define ETHTOOL_SPEED_1000 1000
4220 #define ETHTOOL_SPEED_10000 10000
4221 #define ETHTOOL_SPEED_20000 20000
4222 #define ETHTOOL_SPEED_25000 25000
4223 #define ETHTOOL_SPEED_40000 40000
4224 #define ETHTOOL_SPEED_50000 50000
4225 #define ETHTOOL_SPEED_100000 100000
4226 #define ETHTOOL_SPEED_200000 200000
4227 #define ETHTOOL_SPEED_UNKNOWN -1
4228
4229 static u32
bnxt_fw_to_ethtool_speed(u16 fw_link_speed)4230 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
4231 {
4232 switch (fw_link_speed) {
4233 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_1GB:
4234 return ETHTOOL_SPEED_1000;
4235 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10GB:
4236 return ETHTOOL_SPEED_10000;
4237 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_20GB:
4238 return ETHTOOL_SPEED_20000;
4239 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_25GB:
4240 return ETHTOOL_SPEED_25000;
4241 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_40GB:
4242 return ETHTOOL_SPEED_40000;
4243 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_50GB:
4244 return ETHTOOL_SPEED_50000;
4245 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100GB:
4246 return ETHTOOL_SPEED_100000;
4247 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_200GB:
4248 return ETHTOOL_SPEED_200000;
4249 default:
4250 return ETHTOOL_SPEED_UNKNOWN;
4251 }
4252 }
4253
4254 void
bnxt_report_link(struct bnxt_softc * softc)4255 bnxt_report_link(struct bnxt_softc *softc)
4256 {
4257 struct bnxt_link_info *link_info = &softc->link_info;
4258 const char *duplex = NULL, *flow_ctrl = NULL;
4259 const char *signal_mode = "";
4260
4261 if(softc->edev)
4262 softc->edev->espeed =
4263 bnxt_fw_to_ethtool_speed(link_info->link_speed);
4264
4265 if (link_info->link_up == link_info->last_link_up) {
4266 if (!link_info->link_up)
4267 return;
4268 if ((link_info->duplex == link_info->last_duplex) &&
4269 (link_info->phy_type == link_info->last_phy_type) &&
4270 (!(BNXT_IS_FLOW_CTRL_CHANGED(link_info))))
4271 return;
4272 }
4273
4274 if (link_info->link_up) {
4275 if (link_info->duplex ==
4276 HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL)
4277 duplex = "full duplex";
4278 else
4279 duplex = "half duplex";
4280 if (link_info->flow_ctrl.tx & link_info->flow_ctrl.rx)
4281 flow_ctrl = "FC - receive & transmit";
4282 else if (link_info->flow_ctrl.tx)
4283 flow_ctrl = "FC - transmit";
4284 else if (link_info->flow_ctrl.rx)
4285 flow_ctrl = "FC - receive";
4286 else
4287 flow_ctrl = "FC - none";
4288
4289 if (softc->link_info.phy_qcfg_resp.option_flags &
4290 HWRM_PORT_PHY_QCFG_OUTPUT_OPTION_FLAGS_SIGNAL_MODE_KNOWN) {
4291 uint8_t sig_mode = softc->link_info.active_fec_sig_mode &
4292 HWRM_PORT_PHY_QCFG_OUTPUT_SIGNAL_MODE_MASK;
4293 switch (sig_mode) {
4294 case BNXT_SIG_MODE_NRZ:
4295 signal_mode = "(NRZ) ";
4296 break;
4297 case BNXT_SIG_MODE_PAM4:
4298 signal_mode = "(PAM4) ";
4299 break;
4300 default:
4301 break;
4302 }
4303 link_info->sig_mode = sig_mode;
4304 }
4305
4306 iflib_link_state_change(softc->ctx, LINK_STATE_UP,
4307 IF_Gbps(100));
4308 device_printf(softc->dev, "Link is UP %s %s, %s - %d Mbps \n", duplex, signal_mode,
4309 flow_ctrl, (link_info->link_speed * 100));
4310 } else {
4311 iflib_link_state_change(softc->ctx, LINK_STATE_DOWN,
4312 bnxt_get_baudrate(&softc->link_info));
4313 device_printf(softc->dev, "Link is Down\n");
4314 }
4315
4316 link_info->last_link_up = link_info->link_up;
4317 link_info->last_duplex = link_info->duplex;
4318 link_info->last_phy_type = link_info->phy_type;
4319 link_info->last_flow_ctrl.tx = link_info->flow_ctrl.tx;
4320 link_info->last_flow_ctrl.rx = link_info->flow_ctrl.rx;
4321 link_info->last_flow_ctrl.autoneg = link_info->flow_ctrl.autoneg;
4322 /* update media types */
4323 ifmedia_removeall(softc->media);
4324 bnxt_add_media_types(softc);
4325 ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO);
4326 }
4327
4328 static int
bnxt_handle_isr(void * arg)4329 bnxt_handle_isr(void *arg)
4330 {
4331 struct bnxt_cp_ring *cpr = arg;
4332 struct bnxt_softc *softc = cpr->ring.softc;
4333
4334 cpr->int_count++;
4335 /* Disable further interrupts for this queue */
4336 if (!BNXT_CHIP_P5(softc))
4337 softc->db_ops.bnxt_db_rx_cq(cpr, 0);
4338
4339 return FILTER_SCHEDULE_THREAD;
4340 }
4341
4342 static int
bnxt_handle_def_cp(void * arg)4343 bnxt_handle_def_cp(void *arg)
4344 {
4345 struct bnxt_softc *softc = arg;
4346
4347 softc->db_ops.bnxt_db_rx_cq(&softc->def_cp_ring, 0);
4348 GROUPTASK_ENQUEUE(&softc->def_cp_task);
4349 return FILTER_HANDLED;
4350 }
4351
4352 static void
bnxt_clear_ids(struct bnxt_softc * softc)4353 bnxt_clear_ids(struct bnxt_softc *softc)
4354 {
4355 int i;
4356
4357 softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE;
4358 softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
4359 softc->def_nq_ring.stats_ctx_id = HWRM_NA_SIGNATURE;
4360 softc->def_nq_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
4361 for (i = 0; i < softc->ntxqsets; i++) {
4362 softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
4363 softc->tx_cp_rings[i].ring.phys_id =
4364 (uint16_t)HWRM_NA_SIGNATURE;
4365 softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
4366
4367 if (!softc->nq_rings)
4368 continue;
4369 softc->nq_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
4370 softc->nq_rings[i].ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
4371 }
4372 for (i = 0; i < softc->nrxqsets; i++) {
4373 softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
4374 softc->rx_cp_rings[i].ring.phys_id =
4375 (uint16_t)HWRM_NA_SIGNATURE;
4376 softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
4377 softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
4378 softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE;
4379 }
4380 softc->vnic_info.filter_id = -1;
4381 softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE;
4382 softc->vnic_info.rss_id = (uint16_t)HWRM_NA_SIGNATURE;
4383 memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff,
4384 softc->vnic_info.rss_grp_tbl.idi_size);
4385 }
4386
4387 static void
bnxt_mark_cpr_invalid(struct bnxt_cp_ring * cpr)4388 bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr)
4389 {
4390 struct cmpl_base *cmp = (void *)cpr->ring.vaddr;
4391 int i;
4392
4393 for (i = 0; i < cpr->ring.ring_size; i++)
4394 cmp[i].info3_v = !cpr->v_bit;
4395 }
4396
bnxt_event_error_report(struct bnxt_softc * softc,u32 data1,u32 data2)4397 static void bnxt_event_error_report(struct bnxt_softc *softc, u32 data1, u32 data2)
4398 {
4399 u32 err_type = BNXT_EVENT_ERROR_REPORT_TYPE(data1);
4400
4401 switch (err_type) {
4402 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_INVALID_SIGNAL:
4403 device_printf(softc->dev,
4404 "1PPS: Received invalid signal on pin%u from the external source. Please fix the signal and reconfigure the pin\n",
4405 BNXT_EVENT_INVALID_SIGNAL_DATA(data2));
4406 break;
4407 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_PAUSE_STORM:
4408 device_printf(softc->dev,
4409 "Pause Storm detected!\n");
4410 break;
4411 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_DOORBELL_DROP_THRESHOLD:
4412 device_printf(softc->dev,
4413 "One or more MMIO doorbells dropped by the device! epoch: 0x%x\n",
4414 BNXT_EVENT_DBR_EPOCH(data1));
4415 break;
4416 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_NVM: {
4417 const char *nvm_err_str;
4418
4419 if (EVENT_DATA1_NVM_ERR_TYPE_WRITE(data1))
4420 nvm_err_str = "nvm write error";
4421 else if (EVENT_DATA1_NVM_ERR_TYPE_ERASE(data1))
4422 nvm_err_str = "nvm erase error";
4423 else
4424 nvm_err_str = "unrecognized nvm error";
4425
4426 device_printf(softc->dev,
4427 "%s reported at address 0x%x\n", nvm_err_str,
4428 (u32)EVENT_DATA2_NVM_ERR_ADDR(data2));
4429 break;
4430 }
4431 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_THERMAL_THRESHOLD: {
4432 char *threshold_type;
4433 char *dir_str;
4434
4435 switch (EVENT_DATA1_THERMAL_THRESHOLD_TYPE(data1)) {
4436 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_WARN:
4437 threshold_type = "warning";
4438 break;
4439 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_CRITICAL:
4440 threshold_type = "critical";
4441 break;
4442 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_FATAL:
4443 threshold_type = "fatal";
4444 break;
4445 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_THERMAL_EVENT_DATA1_THRESHOLD_TYPE_SHUTDOWN:
4446 threshold_type = "shutdown";
4447 break;
4448 default:
4449 device_printf(softc->dev,
4450 "Unknown Thermal threshold type event\n");
4451 return;
4452 }
4453 if (EVENT_DATA1_THERMAL_THRESHOLD_DIR_INCREASING(data1))
4454 dir_str = "above";
4455 else
4456 dir_str = "below";
4457 device_printf(softc->dev,
4458 "Chip temperature has gone %s the %s thermal threshold!\n",
4459 dir_str, threshold_type);
4460 device_printf(softc->dev,
4461 "Temperature (In Celsius), Current: %u, threshold: %u\n",
4462 BNXT_EVENT_THERMAL_CURRENT_TEMP(data2),
4463 BNXT_EVENT_THERMAL_THRESHOLD_TEMP(data2));
4464 break;
4465 }
4466 case HWRM_ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_DUAL_DATA_RATE_NOT_SUPPORTED:
4467 device_printf(softc->dev,
4468 "Speed change is not supported with dual rate transceivers on this board\n");
4469 break;
4470
4471 default:
4472 device_printf(softc->dev,
4473 "FW reported unknown error type: %u, data1: 0x%x data2: 0x%x\n",
4474 err_type, data1, data2);
4475 break;
4476 }
4477 }
4478
4479 static void
bnxt_handle_async_event(struct bnxt_softc * softc,struct cmpl_base * cmpl)4480 bnxt_handle_async_event(struct bnxt_softc *softc, struct cmpl_base *cmpl)
4481 {
4482 struct hwrm_async_event_cmpl *ae = (void *)cmpl;
4483 uint16_t async_id = le16toh(ae->event_id);
4484 struct ifmediareq ifmr;
4485 char *type_str;
4486 char *status_desc;
4487 struct bnxt_fw_health *fw_health;
4488 u32 data1 = le32toh(ae->event_data1);
4489 u32 data2 = le32toh(ae->event_data2);
4490
4491 switch (async_id) {
4492 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
4493 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
4494 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
4495 if (BNXT_CHIP_P5(softc))
4496 bit_set(softc->state_bv, BNXT_STATE_LINK_CHANGE);
4497 else
4498 bnxt_media_status(softc->ctx, &ifmr);
4499 break;
4500 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_REPORT: {
4501 bnxt_event_error_report(softc, data1, data2);
4502 goto async_event_process_exit;
4503 }
4504 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DOORBELL_PACING_THRESHOLD:
4505 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DOORBELL_PACING_NQ_UPDATE:
4506 break;
4507 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: {
4508 type_str = "Solicited";
4509
4510 if (!softc->fw_health)
4511 goto async_event_process_exit;
4512
4513 softc->fw_reset_timestamp = jiffies;
4514 softc->fw_reset_min_dsecs = ae->timestamp_lo;
4515 if (!softc->fw_reset_min_dsecs)
4516 softc->fw_reset_min_dsecs = BNXT_DFLT_FW_RST_MIN_DSECS;
4517 softc->fw_reset_max_dsecs = le16toh(ae->timestamp_hi);
4518 if (!softc->fw_reset_max_dsecs)
4519 softc->fw_reset_max_dsecs = BNXT_DFLT_FW_RST_MAX_DSECS;
4520 if (EVENT_DATA1_RESET_NOTIFY_FW_ACTIVATION(data1)) {
4521 set_bit(BNXT_STATE_FW_ACTIVATE_RESET, &softc->state);
4522 } else if (EVENT_DATA1_RESET_NOTIFY_FATAL(data1)) {
4523 type_str = "Fatal";
4524 softc->fw_health->fatalities++;
4525 set_bit(BNXT_STATE_FW_FATAL_COND, &softc->state);
4526 } else if (data2 && BNXT_FW_STATUS_HEALTHY !=
4527 EVENT_DATA2_RESET_NOTIFY_FW_STATUS_CODE(data2)) {
4528 type_str = "Non-fatal";
4529 softc->fw_health->survivals++;
4530 set_bit(BNXT_STATE_FW_NON_FATAL_COND, &softc->state);
4531 }
4532 device_printf(softc->dev,
4533 "%s firmware reset event, data1: 0x%x, data2: 0x%x, min wait %u ms, max wait %u ms\n",
4534 type_str, data1, data2,
4535 softc->fw_reset_min_dsecs * 100,
4536 softc->fw_reset_max_dsecs * 100);
4537 set_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &softc->sp_event);
4538 break;
4539 }
4540 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY: {
4541 fw_health = softc->fw_health;
4542 status_desc = "healthy";
4543 u32 status;
4544
4545 if (!fw_health)
4546 goto async_event_process_exit;
4547
4548 if (!EVENT_DATA1_RECOVERY_ENABLED(data1)) {
4549 fw_health->enabled = false;
4550 device_printf(softc->dev, "Driver recovery watchdog is disabled\n");
4551 break;
4552 }
4553 fw_health->primary = EVENT_DATA1_RECOVERY_MASTER_FUNC(data1);
4554 fw_health->tmr_multiplier =
4555 DIV_ROUND_UP(fw_health->polling_dsecs * HZ,
4556 HZ * 10);
4557 fw_health->tmr_counter = fw_health->tmr_multiplier;
4558 if (!fw_health->enabled)
4559 fw_health->last_fw_heartbeat =
4560 bnxt_fw_health_readl(softc, BNXT_FW_HEARTBEAT_REG);
4561 fw_health->last_fw_reset_cnt =
4562 bnxt_fw_health_readl(softc, BNXT_FW_RESET_CNT_REG);
4563 status = bnxt_fw_health_readl(softc, BNXT_FW_HEALTH_REG);
4564 if (status != BNXT_FW_STATUS_HEALTHY)
4565 status_desc = "unhealthy";
4566 device_printf(softc->dev,
4567 "Driver recovery watchdog, role: %s, firmware status: 0x%x (%s), resets: %u\n",
4568 fw_health->primary ? "primary" : "backup", status,
4569 status_desc, fw_health->last_fw_reset_cnt);
4570 if (!fw_health->enabled) {
4571 /* Make sure tmr_counter is set and seen by
4572 * bnxt_health_check() before setting enabled
4573 */
4574 smp_mb();
4575 fw_health->enabled = true;
4576 }
4577 goto async_event_process_exit;
4578 }
4579
4580 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_MTU_CHANGE:
4581 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE:
4582 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
4583 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_NOT_ALLOWED:
4584 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_UNLOAD:
4585 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_LOAD:
4586 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
4587 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_LOAD:
4588 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_FLR:
4589 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_MAC_ADDR_CHANGE:
4590 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_VF_COMM_STATUS_CHANGE:
4591 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
4592 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_HWRM_ERROR:
4593 device_printf(softc->dev,
4594 "Unhandled async completion type %u\n", async_id);
4595 break;
4596 default:
4597 device_printf(softc->dev,
4598 "Unknown async completion type %u\n", async_id);
4599 break;
4600 }
4601 bnxt_queue_sp_work(softc);
4602
4603 async_event_process_exit:
4604 bnxt_ulp_async_events(softc, ae);
4605 }
4606
4607 static void
bnxt_def_cp_task(void * context)4608 bnxt_def_cp_task(void *context)
4609 {
4610 if_ctx_t ctx = context;
4611 struct bnxt_softc *softc = iflib_get_softc(ctx);
4612 struct bnxt_cp_ring *cpr = &softc->def_cp_ring;
4613
4614 /* Handle completions on the default completion ring */
4615 struct cmpl_base *cmpl;
4616 uint32_t cons = cpr->cons;
4617 bool v_bit = cpr->v_bit;
4618 bool last_v_bit;
4619 uint32_t last_cons;
4620 uint16_t type;
4621
4622 for (;;) {
4623 last_cons = cons;
4624 last_v_bit = v_bit;
4625 NEXT_CP_CONS_V(&cpr->ring, cons, v_bit);
4626 cmpl = &((struct cmpl_base *)cpr->ring.vaddr)[cons];
4627
4628 if (!CMP_VALID(cmpl, v_bit))
4629 break;
4630
4631 type = le16toh(cmpl->type) & CMPL_BASE_TYPE_MASK;
4632 switch (type) {
4633 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
4634 bnxt_handle_async_event(softc, cmpl);
4635 break;
4636 case CMPL_BASE_TYPE_TX_L2:
4637 case CMPL_BASE_TYPE_RX_L2:
4638 case CMPL_BASE_TYPE_RX_AGG:
4639 case CMPL_BASE_TYPE_RX_TPA_START:
4640 case CMPL_BASE_TYPE_RX_TPA_END:
4641 case CMPL_BASE_TYPE_STAT_EJECT:
4642 case CMPL_BASE_TYPE_HWRM_DONE:
4643 case CMPL_BASE_TYPE_HWRM_FWD_REQ:
4644 case CMPL_BASE_TYPE_HWRM_FWD_RESP:
4645 case CMPL_BASE_TYPE_CQ_NOTIFICATION:
4646 case CMPL_BASE_TYPE_SRQ_EVENT:
4647 case CMPL_BASE_TYPE_DBQ_EVENT:
4648 case CMPL_BASE_TYPE_QP_EVENT:
4649 case CMPL_BASE_TYPE_FUNC_EVENT:
4650 device_printf(softc->dev,
4651 "Unhandled completion type %u\n", type);
4652 break;
4653 default:
4654 device_printf(softc->dev,
4655 "Unknown completion type %u\n", type);
4656 break;
4657 }
4658 }
4659
4660 cpr->cons = last_cons;
4661 cpr->v_bit = last_v_bit;
4662 softc->db_ops.bnxt_db_rx_cq(cpr, 1);
4663 }
4664
4665 uint8_t
get_phy_type(struct bnxt_softc * softc)4666 get_phy_type(struct bnxt_softc *softc)
4667 {
4668 struct bnxt_link_info *link_info = &softc->link_info;
4669 uint8_t phy_type = link_info->phy_type;
4670 uint16_t supported;
4671
4672 if (phy_type != HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN)
4673 return phy_type;
4674
4675 /* Deduce the phy type from the media type and supported speeds */
4676 supported = link_info->support_speeds;
4677
4678 if (link_info->media_type ==
4679 HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_TP)
4680 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET;
4681 if (link_info->media_type ==
4682 HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_DAC) {
4683 if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_2_5GB)
4684 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX;
4685 if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_20GB)
4686 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR;
4687 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR;
4688 }
4689 if (link_info->media_type ==
4690 HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_FIBRE)
4691 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR;
4692
4693 return phy_type;
4694 }
4695
4696 bool
bnxt_check_hwrm_version(struct bnxt_softc * softc)4697 bnxt_check_hwrm_version(struct bnxt_softc *softc)
4698 {
4699 char buf[16];
4700
4701 sprintf(buf, "%hhu.%hhu.%hhu", softc->ver_info->hwrm_min_major,
4702 softc->ver_info->hwrm_min_minor, softc->ver_info->hwrm_min_update);
4703 if (softc->ver_info->hwrm_min_major > softc->ver_info->hwrm_if_major) {
4704 device_printf(softc->dev,
4705 "WARNING: HWRM version %s is too old (older than %s)\n",
4706 softc->ver_info->hwrm_if_ver, buf);
4707 return false;
4708 }
4709 else if(softc->ver_info->hwrm_min_major ==
4710 softc->ver_info->hwrm_if_major) {
4711 if (softc->ver_info->hwrm_min_minor >
4712 softc->ver_info->hwrm_if_minor) {
4713 device_printf(softc->dev,
4714 "WARNING: HWRM version %s is too old (older than %s)\n",
4715 softc->ver_info->hwrm_if_ver, buf);
4716 return false;
4717 }
4718 else if (softc->ver_info->hwrm_min_minor ==
4719 softc->ver_info->hwrm_if_minor) {
4720 if (softc->ver_info->hwrm_min_update >
4721 softc->ver_info->hwrm_if_update) {
4722 device_printf(softc->dev,
4723 "WARNING: HWRM version %s is too old (older than %s)\n",
4724 softc->ver_info->hwrm_if_ver, buf);
4725 return false;
4726 }
4727 }
4728 }
4729 return true;
4730 }
4731
4732 static uint64_t
bnxt_get_baudrate(struct bnxt_link_info * link)4733 bnxt_get_baudrate(struct bnxt_link_info *link)
4734 {
4735 switch (link->link_speed) {
4736 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100MB:
4737 return IF_Mbps(100);
4738 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_1GB:
4739 return IF_Gbps(1);
4740 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2GB:
4741 return IF_Gbps(2);
4742 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2_5GB:
4743 return IF_Mbps(2500);
4744 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10GB:
4745 return IF_Gbps(10);
4746 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_20GB:
4747 return IF_Gbps(20);
4748 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_25GB:
4749 return IF_Gbps(25);
4750 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_40GB:
4751 return IF_Gbps(40);
4752 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_50GB:
4753 return IF_Gbps(50);
4754 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100GB:
4755 return IF_Gbps(100);
4756 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10MB:
4757 return IF_Mbps(10);
4758 case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_200GB:
4759 return IF_Gbps(200);
4760 }
4761 return IF_Gbps(100);
4762 }
4763
4764 static void
bnxt_get_wol_settings(struct bnxt_softc * softc)4765 bnxt_get_wol_settings(struct bnxt_softc *softc)
4766 {
4767 uint16_t wol_handle = 0;
4768
4769 if (!bnxt_wol_supported(softc))
4770 return;
4771
4772 do {
4773 wol_handle = bnxt_hwrm_get_wol_fltrs(softc, wol_handle);
4774 } while (wol_handle && wol_handle != BNXT_NO_MORE_WOL_FILTERS);
4775 }
4776