xref: /freebsd/sys/dev/axgbe/if_axgbe_pci.c (revision 45dd2eaac379e5576f745380260470204c49beac)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2020 Advanced Micro Devices, Inc.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * Contact Information :
28  * Rajesh Kumar <rajesh1.kumar@amd.com>
29  * Shreyank Amartya <Shreyank.Amartya@amd.com>
30  */
31 
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34 
35 #include <sys/param.h>
36 #include <sys/bus.h>
37 #include <sys/kernel.h>
38 #include <sys/malloc.h>
39 #include <sys/module.h>
40 #include <sys/mutex.h>
41 #include <sys/rman.h>
42 #include <sys/socket.h>
43 #include <sys/sysctl.h>
44 #include <sys/systm.h>
45 
46 #include <net/if.h>
47 #include <net/if_media.h>
48 
49 #include <dev/mii/mii.h>
50 #include <dev/mii/miivar.h>
51 
52 #include <dev/pci/pcireg.h>
53 #include <dev/pci/pcivar.h>
54 
55 #include "xgbe.h"
56 #include "xgbe-common.h"
57 
58 #include "miibus_if.h"
59 #include "ifdi_if.h"
60 #include "opt_inet.h"
61 #include "opt_inet6.h"
62 
63 MALLOC_DEFINE(M_AXGBE, "axgbe", "axgbe data");
64 
65 extern struct if_txrx axgbe_txrx;
66 static int axgbe_sph_enable;
67 
68 /* Function prototypes */
69 static void *axgbe_register(device_t);
70 static int axgbe_if_attach_pre(if_ctx_t);
71 static int axgbe_if_attach_post(if_ctx_t);
72 static int axgbe_if_detach(if_ctx_t);
73 static void axgbe_if_stop(if_ctx_t);
74 static void axgbe_if_init(if_ctx_t);
75 
76 /* Queue related routines */
77 static int axgbe_if_tx_queues_alloc(if_ctx_t, caddr_t *, uint64_t *, int, int);
78 static int axgbe_if_rx_queues_alloc(if_ctx_t, caddr_t *, uint64_t *, int, int);
79 static int axgbe_alloc_channels(if_ctx_t);
80 static void axgbe_free_channels(struct axgbe_if_softc *);
81 static void axgbe_if_queues_free(if_ctx_t);
82 static int axgbe_if_tx_queue_intr_enable(if_ctx_t, uint16_t);
83 static int axgbe_if_rx_queue_intr_enable(if_ctx_t, uint16_t);
84 
85 /* Interrupt related routines */
86 static void axgbe_if_disable_intr(if_ctx_t);
87 static void axgbe_if_enable_intr(if_ctx_t);
88 static int axgbe_if_msix_intr_assign(if_ctx_t, int);
89 static void xgbe_free_intr(struct xgbe_prv_data *, struct resource *, void *, int);
90 
91 /* Init and Iflib routines */
92 static void axgbe_pci_init(struct xgbe_prv_data *);
93 static void axgbe_pci_stop(if_ctx_t);
94 static void xgbe_disable_rx_tx_int(struct xgbe_prv_data *, struct xgbe_channel *);
95 static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *);
96 static int axgbe_if_mtu_set(if_ctx_t, uint32_t);
97 static void axgbe_if_update_admin_status(if_ctx_t);
98 static void axgbe_if_media_status(if_ctx_t, struct ifmediareq *);
99 static int axgbe_if_media_change(if_ctx_t);
100 static int axgbe_if_promisc_set(if_ctx_t, int);
101 static uint64_t axgbe_if_get_counter(if_ctx_t, ift_counter);
102 static void axgbe_if_vlan_register(if_ctx_t, uint16_t);
103 static void axgbe_if_vlan_unregister(if_ctx_t, uint16_t);
104 #if __FreeBSD_version >= 1300000
105 static bool axgbe_if_needs_restart(if_ctx_t, enum iflib_restart_event);
106 #endif
107 static void axgbe_set_counts(if_ctx_t);
108 static void axgbe_init_iflib_softc_ctx(struct axgbe_if_softc *);
109 
110 /* MII interface registered functions */
111 static int axgbe_miibus_readreg(device_t, int, int);
112 static int axgbe_miibus_writereg(device_t, int, int, int);
113 static void axgbe_miibus_statchg(device_t);
114 
115 /* ISR routines */
116 static int axgbe_dev_isr(void *);
117 static void axgbe_ecc_isr(void *);
118 static void axgbe_i2c_isr(void *);
119 static void axgbe_an_isr(void *);
120 static int axgbe_msix_que(void *);
121 
122 /* Timer routines */
123 static void xgbe_service(void *, int);
124 static void xgbe_service_timer(void *);
125 static void xgbe_init_timers(struct xgbe_prv_data *);
126 static void xgbe_stop_timers(struct xgbe_prv_data *);
127 
128 /* Dump routines */
129 static void xgbe_dump_prop_registers(struct xgbe_prv_data *);
130 
131 /*
132  * Allocate only for MAC (BAR0) and PCS (BAR1) registers, and just point the
133  * MSI-X table bar  (BAR5) to iflib. iflib will do the allocation for MSI-X
134  * table.
135  */
136 static struct resource_spec axgbe_pci_mac_spec[] = {
137 	{ SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE }, /* MAC regs */
138 	{ SYS_RES_MEMORY, PCIR_BAR(1), RF_ACTIVE }, /* PCS regs */
139 	{ -1, 0 }
140 };
141 
142 static pci_vendor_info_t axgbe_vendor_info_array[] =
143 {
144 	PVID(0x1022, 0x1458,  "AMD 10 Gigabit Ethernet Driver"),
145 	PVID(0x1022, 0x1459,  "AMD 10 Gigabit Ethernet Driver"),
146 	PVID_END
147 };
148 
149 static struct xgbe_version_data xgbe_v2a = {
150 	.init_function_ptrs_phy_impl    = xgbe_init_function_ptrs_phy_v2,
151 	.xpcs_access                    = XGBE_XPCS_ACCESS_V2,
152 	.mmc_64bit                      = 1,
153 	.tx_max_fifo_size               = 229376,
154 	.rx_max_fifo_size               = 229376,
155 	.tx_tstamp_workaround           = 1,
156 	.ecc_support                    = 1,
157 	.i2c_support                    = 1,
158 	.irq_reissue_support            = 1,
159 	.tx_desc_prefetch               = 5,
160 	.rx_desc_prefetch               = 5,
161 	.an_cdr_workaround              = 1,
162 };
163 
164 static struct xgbe_version_data xgbe_v2b = {
165 	.init_function_ptrs_phy_impl    = xgbe_init_function_ptrs_phy_v2,
166 	.xpcs_access                    = XGBE_XPCS_ACCESS_V2,
167 	.mmc_64bit                      = 1,
168 	.tx_max_fifo_size               = 65536,
169 	.rx_max_fifo_size               = 65536,
170 	.tx_tstamp_workaround           = 1,
171 	.ecc_support                    = 1,
172 	.i2c_support                    = 1,
173 	.irq_reissue_support            = 1,
174 	.tx_desc_prefetch               = 5,
175 	.rx_desc_prefetch               = 5,
176 	.an_cdr_workaround              = 1,
177 };
178 
179 /* Device Interface */
180 static device_method_t ax_methods[] = {
181 	DEVMETHOD(device_register, axgbe_register),
182 	DEVMETHOD(device_probe, iflib_device_probe),
183 	DEVMETHOD(device_attach, iflib_device_attach),
184 	DEVMETHOD(device_detach, iflib_device_detach),
185 
186 	/* MII interface */
187 	DEVMETHOD(miibus_readreg, axgbe_miibus_readreg),
188 	DEVMETHOD(miibus_writereg, axgbe_miibus_writereg),
189 	DEVMETHOD(miibus_statchg, axgbe_miibus_statchg),
190 
191 	DEVMETHOD_END
192 };
193 
194 static driver_t ax_driver = {
195 	"ax", ax_methods, sizeof(struct axgbe_if_softc),
196 };
197 
198 devclass_t ax_devclass;
199 DRIVER_MODULE(axp, pci, ax_driver, ax_devclass, 0, 0);
200 DRIVER_MODULE(miibus, ax, miibus_driver, miibus_devclass, 0, 0);
201 IFLIB_PNP_INFO(pci, ax_driver, axgbe_vendor_info_array);
202 
203 MODULE_DEPEND(ax, pci, 1, 1, 1);
204 MODULE_DEPEND(ax, ether, 1, 1, 1);
205 MODULE_DEPEND(ax, iflib, 1, 1, 1);
206 MODULE_DEPEND(ax, miibus, 1, 1, 1);
207 
208 /* Iflib Interface */
209 static device_method_t axgbe_if_methods[] = {
210 	DEVMETHOD(ifdi_attach_pre, axgbe_if_attach_pre),
211 	DEVMETHOD(ifdi_attach_post, axgbe_if_attach_post),
212 	DEVMETHOD(ifdi_detach, axgbe_if_detach),
213 	DEVMETHOD(ifdi_init, axgbe_if_init),
214 	DEVMETHOD(ifdi_stop, axgbe_if_stop),
215 	DEVMETHOD(ifdi_msix_intr_assign, axgbe_if_msix_intr_assign),
216 	DEVMETHOD(ifdi_intr_enable, axgbe_if_enable_intr),
217 	DEVMETHOD(ifdi_intr_disable, axgbe_if_disable_intr),
218 	DEVMETHOD(ifdi_tx_queue_intr_enable, axgbe_if_tx_queue_intr_enable),
219 	DEVMETHOD(ifdi_rx_queue_intr_enable, axgbe_if_rx_queue_intr_enable),
220 	DEVMETHOD(ifdi_tx_queues_alloc, axgbe_if_tx_queues_alloc),
221 	DEVMETHOD(ifdi_rx_queues_alloc, axgbe_if_rx_queues_alloc),
222 	DEVMETHOD(ifdi_queues_free, axgbe_if_queues_free),
223 	DEVMETHOD(ifdi_update_admin_status, axgbe_if_update_admin_status),
224 	DEVMETHOD(ifdi_mtu_set, axgbe_if_mtu_set),
225 	DEVMETHOD(ifdi_media_status, axgbe_if_media_status),
226 	DEVMETHOD(ifdi_media_change, axgbe_if_media_change),
227 	DEVMETHOD(ifdi_promisc_set, axgbe_if_promisc_set),
228 	DEVMETHOD(ifdi_get_counter, axgbe_if_get_counter),
229 	DEVMETHOD(ifdi_vlan_register, axgbe_if_vlan_register),
230 	DEVMETHOD(ifdi_vlan_unregister, axgbe_if_vlan_unregister),
231 #if __FreeBSD_version >= 1300000
232 	DEVMETHOD(ifdi_needs_restart, axgbe_if_needs_restart),
233 #endif
234 	DEVMETHOD_END
235 };
236 
237 static driver_t axgbe_if_driver = {
238 	"axgbe_if", axgbe_if_methods, sizeof(struct axgbe_if_softc)
239 };
240 
241 /* Iflib Shared Context */
242 static struct if_shared_ctx axgbe_sctx_init = {
243 	.isc_magic = IFLIB_MAGIC,
244 	.isc_driver = &axgbe_if_driver,
245 	.isc_q_align = PAGE_SIZE,
246 	.isc_tx_maxsize = XGBE_TSO_MAX_SIZE + sizeof(struct ether_vlan_header),
247 	.isc_tx_maxsegsize = PAGE_SIZE,
248 	.isc_tso_maxsize = XGBE_TSO_MAX_SIZE + sizeof(struct ether_vlan_header),
249 	.isc_tso_maxsegsize = PAGE_SIZE,
250 	.isc_rx_maxsize = MJUM9BYTES,
251 	.isc_rx_maxsegsize = MJUM9BYTES,
252 	.isc_rx_nsegments = 1,
253 	.isc_admin_intrcnt = 4,
254 
255 	.isc_vendor_info = axgbe_vendor_info_array,
256 	.isc_driver_version = XGBE_DRV_VERSION,
257 
258 	.isc_ntxd_min = {XGBE_TX_DESC_CNT_MIN},
259 	.isc_ntxd_default = {XGBE_TX_DESC_CNT_DEFAULT},
260 	.isc_ntxd_max = {XGBE_TX_DESC_CNT_MAX},
261 
262 	.isc_ntxqs = 1,
263 	.isc_flags = IFLIB_TSO_INIT_IP | IFLIB_NEED_SCRATCH |
264 	    IFLIB_NEED_ZERO_CSUM | IFLIB_NEED_ETHER_PAD,
265 };
266 
267 static void *
268 axgbe_register(device_t dev)
269 {
270 	int axgbe_nfl;
271 	int axgbe_nrxqs;
272 	int error, i;
273 	char *value = NULL;
274 
275 	value = kern_getenv("dev.ax.sph_enable");
276 	if (value) {
277 		axgbe_sph_enable = strtol(value, NULL, 10);
278 		freeenv(value);
279 	} else {
280 		/*
281 		 * No tunable found, generate one with default values
282 		 * Note: only a reboot will reveal the new kenv
283 		 */
284 		error = kern_setenv("dev.ax.sph_enable", "1");
285 		if (error) {
286 			printf("Error setting tunable, using default driver values\n");
287 		}
288 		axgbe_sph_enable = 1;
289 	}
290 
291 	if (!axgbe_sph_enable) {
292 		axgbe_nfl = 1;
293 		axgbe_nrxqs = 1;
294 	} else {
295 		axgbe_nfl = 2;
296 		axgbe_nrxqs = 2;
297 	}
298 
299 	axgbe_sctx_init.isc_nfl = axgbe_nfl;
300 	axgbe_sctx_init.isc_nrxqs = axgbe_nrxqs;
301 
302 	for (i = 0 ; i < axgbe_nrxqs ; i++) {
303 		axgbe_sctx_init.isc_nrxd_min[i] = XGBE_RX_DESC_CNT_MIN;
304 		axgbe_sctx_init.isc_nrxd_default[i] = XGBE_RX_DESC_CNT_DEFAULT;
305 		axgbe_sctx_init.isc_nrxd_max[i] = XGBE_RX_DESC_CNT_MAX;
306 	}
307 
308 	return (&axgbe_sctx_init);
309 }
310 
311 /* MII Interface Functions */
312 static int
313 axgbe_miibus_readreg(device_t dev, int phy, int reg)
314 {
315 	struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
316 	struct xgbe_prv_data    *pdata = &sc->pdata;
317 	int val;
318 
319 	axgbe_printf(3, "%s: phy %d reg %d\n", __func__, phy, reg);
320 
321 	val = xgbe_phy_mii_read(pdata, phy, reg);
322 
323 	axgbe_printf(2, "%s: val 0x%x\n", __func__, val);
324 	return (val & 0xFFFF);
325 }
326 
327 static int
328 axgbe_miibus_writereg(device_t dev, int phy, int reg, int val)
329 {
330 	struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
331 	struct xgbe_prv_data    *pdata = &sc->pdata;
332 
333 	axgbe_printf(3, "%s: phy %d reg %d val 0x%x\n", __func__, phy, reg, val);
334 
335 	xgbe_phy_mii_write(pdata, phy, reg, val);
336 
337 	return(0);
338 }
339 
340 static void
341 axgbe_miibus_statchg(device_t dev)
342 {
343         struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
344         struct xgbe_prv_data    *pdata = &sc->pdata;
345 	struct mii_data		*mii = device_get_softc(pdata->axgbe_miibus);
346 	struct ifnet		*ifp = pdata->netdev;
347 	int bmsr;
348 
349 	axgbe_printf(2, "%s: Link %d/%d\n", __func__, pdata->phy.link,
350 	    pdata->phy_link);
351 
352 	if (mii == NULL || ifp == NULL ||
353 	    (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
354 		return;
355 
356 	if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
357 	    (IFM_ACTIVE | IFM_AVALID)) {
358 
359 		switch (IFM_SUBTYPE(mii->mii_media_active)) {
360 		case IFM_10_T:
361 		case IFM_100_TX:
362 			pdata->phy.link = 1;
363 			break;
364 		case IFM_1000_T:
365 		case IFM_1000_SX:
366 		case IFM_2500_SX:
367 			pdata->phy.link = 1;
368 			break;
369 		default:
370 			pdata->phy.link = 0;
371 			break;
372 		}
373 	} else
374 		pdata->phy_link = 0;
375 
376 	bmsr = axgbe_miibus_readreg(pdata->dev, pdata->mdio_addr, MII_BMSR);
377 	if (bmsr & BMSR_ANEG) {
378 
379 		axgbe_printf(2, "%s: Autoneg Done\n", __func__);
380 
381 		/* Raise AN Interrupt */
382 		XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_INTMASK,
383 		    XGBE_AN_CL73_INT_MASK);
384 	}
385 }
386 
387 static int
388 axgbe_if_attach_pre(if_ctx_t ctx)
389 {
390 	struct axgbe_if_softc	*sc;
391 	struct xgbe_prv_data	*pdata;
392 	struct resource		*mac_res[2];
393 	if_softc_ctx_t		scctx;
394 	if_shared_ctx_t		sctx;
395 	device_t		dev;
396 	unsigned int		ma_lo, ma_hi;
397 	unsigned int		reg;
398 	int			ret;
399 
400 	sc = iflib_get_softc(ctx);
401 	sc->pdata.dev = dev = iflib_get_dev(ctx);
402 	sc->sctx = sctx = iflib_get_sctx(ctx);
403 	sc->scctx = scctx = iflib_get_softc_ctx(ctx);
404 	sc->media = iflib_get_media(ctx);
405 	sc->ctx = ctx;
406 	sc->link_status = LINK_STATE_DOWN;
407 	pdata = &sc->pdata;
408 	pdata->netdev = iflib_get_ifp(ctx);
409 
410 	spin_lock_init(&pdata->xpcs_lock);
411 
412 	/* Initialize locks */
413         mtx_init(&pdata->rss_mutex, "xgbe rss mutex lock", NULL, MTX_DEF);
414 	mtx_init(&pdata->mdio_mutex, "xgbe MDIO mutex lock", NULL, MTX_SPIN);
415 
416 	/* Allocate VLAN bitmap */
417 	pdata->active_vlans = bit_alloc(VLAN_NVID, M_AXGBE, M_WAITOK|M_ZERO);
418 	pdata->num_active_vlans = 0;
419 
420 	/* Get the version data */
421 	DBGPR("%s: Device ID: 0x%x\n", __func__, pci_get_device(dev));
422 	if (pci_get_device(dev) == 0x1458)
423 		sc->pdata.vdata = &xgbe_v2a;
424 	else if (pci_get_device(dev) == 0x1459)
425 		sc->pdata.vdata = &xgbe_v2b;
426 
427 	/* PCI setup */
428         if (bus_alloc_resources(dev, axgbe_pci_mac_spec, mac_res)) {
429 		axgbe_error("Unable to allocate bus resources\n");
430 		ret = ENXIO;
431 		goto free_vlans;
432 	}
433 
434         sc->pdata.xgmac_res = mac_res[0];
435         sc->pdata.xpcs_res = mac_res[1];
436 
437         /* Set the PCS indirect addressing definition registers*/
438 	pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
439 	pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
440 
441         /* Configure the PCS indirect addressing support */
442 	reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg);
443 	pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET);
444 	pdata->xpcs_window <<= 6;
445 	pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE);
446 	pdata->xpcs_window_size = 1 << (pdata->xpcs_window_size + 7);
447 	pdata->xpcs_window_mask = pdata->xpcs_window_size - 1;
448 	DBGPR("xpcs window def : %#010x\n",
449 	    pdata->xpcs_window_def_reg);
450 	DBGPR("xpcs window sel : %#010x\n",
451 	    pdata->xpcs_window_sel_reg);
452         DBGPR("xpcs window : %#010x\n",
453 	    pdata->xpcs_window);
454 	DBGPR("xpcs window size : %#010x\n",
455 	    pdata->xpcs_window_size);
456 	DBGPR("xpcs window mask : %#010x\n",
457 	    pdata->xpcs_window_mask);
458 
459 	/* Enable all interrupts in the hardware */
460         XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
461 
462 	/* Retrieve the MAC address */
463 	ma_lo = XP_IOREAD(pdata, XP_MAC_ADDR_LO);
464 	ma_hi = XP_IOREAD(pdata, XP_MAC_ADDR_HI);
465 	pdata->mac_addr[0] = ma_lo & 0xff;
466 	pdata->mac_addr[1] = (ma_lo >> 8) & 0xff;
467 	pdata->mac_addr[2] = (ma_lo >>16) & 0xff;
468 	pdata->mac_addr[3] = (ma_lo >> 24) & 0xff;
469 	pdata->mac_addr[4] = ma_hi & 0xff;
470 	pdata->mac_addr[5] = (ma_hi >> 8) & 0xff;
471 	if (!XP_GET_BITS(ma_hi, XP_MAC_ADDR_HI, VALID)) {
472 		axgbe_error("Invalid mac address\n");
473 		ret = EINVAL;
474 		goto release_bus_resource;
475 	}
476 	iflib_set_mac(ctx, pdata->mac_addr);
477 
478 	/* Clock settings */
479 	pdata->sysclk_rate = XGBE_V2_DMA_CLOCK_FREQ;
480 	pdata->ptpclk_rate = XGBE_V2_PTP_CLOCK_FREQ;
481 
482 	/* Set the DMA coherency values */
483 	pdata->coherent = 1;
484 	pdata->arcr = XGBE_DMA_PCI_ARCR;
485 	pdata->awcr = XGBE_DMA_PCI_AWCR;
486 	pdata->awarcr = XGBE_DMA_PCI_AWARCR;
487 
488 	/* Read the port property registers */
489 	pdata->pp0 = XP_IOREAD(pdata, XP_PROP_0);
490 	pdata->pp1 = XP_IOREAD(pdata, XP_PROP_1);
491 	pdata->pp2 = XP_IOREAD(pdata, XP_PROP_2);
492 	pdata->pp3 = XP_IOREAD(pdata, XP_PROP_3);
493 	pdata->pp4 = XP_IOREAD(pdata, XP_PROP_4);
494 	DBGPR("port property 0 = %#010x\n", pdata->pp0);
495 	DBGPR("port property 1 = %#010x\n", pdata->pp1);
496 	DBGPR("port property 2 = %#010x\n", pdata->pp2);
497 	DBGPR("port property 3 = %#010x\n", pdata->pp3);
498 	DBGPR("port property 4 = %#010x\n", pdata->pp4);
499 
500 	/* Set the maximum channels and queues */
501 	pdata->tx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
502 	    MAX_TX_DMA);
503 	pdata->rx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
504 	    MAX_RX_DMA);
505 	pdata->tx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
506 	    MAX_TX_QUEUES);
507 	pdata->rx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
508 	    MAX_RX_QUEUES);
509 	DBGPR("max tx/rx channel count = %u/%u\n",
510 	    pdata->tx_max_channel_count, pdata->rx_max_channel_count);
511 	DBGPR("max tx/rx hw queue count = %u/%u\n",
512 	    pdata->tx_max_q_count, pdata->rx_max_q_count);
513 
514 	axgbe_set_counts(ctx);
515 
516 	/* Set the maximum fifo amounts */
517         pdata->tx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
518                                               TX_FIFO_SIZE);
519         pdata->tx_max_fifo_size *= 16384;
520         pdata->tx_max_fifo_size = min(pdata->tx_max_fifo_size,
521                                       pdata->vdata->tx_max_fifo_size);
522         pdata->rx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
523                                               RX_FIFO_SIZE);
524         pdata->rx_max_fifo_size *= 16384;
525         pdata->rx_max_fifo_size = min(pdata->rx_max_fifo_size,
526                                       pdata->vdata->rx_max_fifo_size);
527 	DBGPR("max tx/rx max fifo size = %u/%u\n",
528 	    pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
529 
530 	/* Initialize IFLIB if_softc_ctx_t */
531 	axgbe_init_iflib_softc_ctx(sc);
532 
533 	/* Alloc channels */
534 	if (axgbe_alloc_channels(ctx)) {
535 		axgbe_error("Unable to allocate channel memory\n");
536 		ret = ENOMEM;
537 		goto release_bus_resource;
538         }
539 
540 	TASK_INIT(&pdata->service_work, 0, xgbe_service, pdata);
541 
542 	/* create the workqueue */
543 	pdata->dev_workqueue = taskqueue_create("axgbe", M_WAITOK,
544 	    taskqueue_thread_enqueue, &pdata->dev_workqueue);
545 	if (pdata->dev_workqueue == NULL) {
546 		axgbe_error("Unable to allocate workqueue\n");
547 		ret = ENOMEM;
548 		goto free_channels;
549 	}
550 	ret = taskqueue_start_threads(&pdata->dev_workqueue, 1, PI_NET,
551 	    "axgbe dev taskq");
552 	if (ret) {
553 		axgbe_error("Unable to start taskqueue\n");
554 		ret = ENOMEM;
555 		goto free_task_queue;
556 	}
557 
558 	/* Init timers */
559 	xgbe_init_timers(pdata);
560 
561         return (0);
562 
563 free_task_queue:
564 	taskqueue_free(pdata->dev_workqueue);
565 
566 free_channels:
567 	axgbe_free_channels(sc);
568 
569 release_bus_resource:
570         bus_release_resources(dev, axgbe_pci_mac_spec, mac_res);
571 
572 free_vlans:
573 	free(pdata->active_vlans, M_AXGBE);
574 
575 	return (ret);
576 } /* axgbe_if_attach_pre */
577 
578 static void
579 xgbe_init_all_fptrs(struct xgbe_prv_data *pdata)
580 {
581 	xgbe_init_function_ptrs_dev(&pdata->hw_if);
582 	xgbe_init_function_ptrs_phy(&pdata->phy_if);
583         xgbe_init_function_ptrs_i2c(&pdata->i2c_if);
584 	xgbe_init_function_ptrs_desc(&pdata->desc_if);
585 
586         pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if);
587 }
588 
589 static void
590 axgbe_set_counts(if_ctx_t ctx)
591 {
592 	struct axgbe_if_softc *sc = iflib_get_softc(ctx);;
593 	struct xgbe_prv_data *pdata = &sc->pdata;
594 	cpuset_t lcpus;
595 	int cpu_count, err;
596 	size_t len;
597 
598 	/* Set all function pointers */
599 	xgbe_init_all_fptrs(pdata);
600 
601 	/* Populate the hardware features */
602 	xgbe_get_all_hw_features(pdata);
603 
604 	if (!pdata->tx_max_channel_count)
605 		pdata->tx_max_channel_count = pdata->hw_feat.tx_ch_cnt;
606 	if (!pdata->rx_max_channel_count)
607 		pdata->rx_max_channel_count = pdata->hw_feat.rx_ch_cnt;
608 
609 	if (!pdata->tx_max_q_count)
610 		pdata->tx_max_q_count = pdata->hw_feat.tx_q_cnt;
611 	if (!pdata->rx_max_q_count)
612 		pdata->rx_max_q_count = pdata->hw_feat.rx_q_cnt;
613 
614 	/*
615 	 * Calculate the number of Tx and Rx rings to be created
616 	 *  -Tx (DMA) Channels map 1-to-1 to Tx Queues so set
617 	 *   the number of Tx queues to the number of Tx channels
618 	 *   enabled
619 	 *  -Rx (DMA) Channels do not map 1-to-1 so use the actual
620 	 *   number of Rx queues or maximum allowed
621 	 */
622 
623 	/* Get cpu count from sysctl */
624 	len = sizeof(cpu_count);
625 	err = kernel_sysctlbyname(curthread, "hw.ncpu", &cpu_count, &len, NULL,
626 	    0, NULL, 0);
627 	if (err) {
628 		axgbe_error("Unable to fetch number of cpus\n");
629 		cpu_count = 1;
630 	}
631 
632 	if (bus_get_cpus(pdata->dev, INTR_CPUS, sizeof(lcpus), &lcpus) != 0) {
633                 axgbe_error("Unable to fetch CPU list\n");
634                 /* TODO - handle CPU_COPY(&all_cpus, &lcpus); */
635         }
636 
637 	DBGPR("ncpu %d intrcpu %d\n", cpu_count, CPU_COUNT(&lcpus));
638 
639 	pdata->tx_ring_count = min(CPU_COUNT(&lcpus), pdata->hw_feat.tx_ch_cnt);
640 	pdata->tx_ring_count = min(pdata->tx_ring_count,
641 	    pdata->tx_max_channel_count);
642 	pdata->tx_ring_count = min(pdata->tx_ring_count, pdata->tx_max_q_count);
643 
644 	pdata->tx_q_count = pdata->tx_ring_count;
645 
646 	pdata->rx_ring_count = min(CPU_COUNT(&lcpus), pdata->hw_feat.rx_ch_cnt);
647 	pdata->rx_ring_count = min(pdata->rx_ring_count,
648 	    pdata->rx_max_channel_count);
649 
650 	pdata->rx_q_count = min(pdata->hw_feat.rx_q_cnt, pdata->rx_max_q_count);
651 
652 	DBGPR("TX/RX max channel count = %u/%u\n",
653 	    pdata->tx_max_channel_count, pdata->rx_max_channel_count);
654 	DBGPR("TX/RX max queue count = %u/%u\n",
655 	    pdata->tx_max_q_count, pdata->rx_max_q_count);
656 	DBGPR("TX/RX DMA ring count = %u/%u\n",
657 	    pdata->tx_ring_count, pdata->rx_ring_count);
658 	DBGPR("TX/RX hardware queue count = %u/%u\n",
659 	    pdata->tx_q_count, pdata->rx_q_count);
660 } /* axgbe_set_counts */
661 
662 static void
663 axgbe_init_iflib_softc_ctx(struct axgbe_if_softc *sc)
664 {
665 	struct xgbe_prv_data *pdata = &sc->pdata;
666 	if_softc_ctx_t scctx = sc->scctx;
667 	if_shared_ctx_t sctx = sc->sctx;
668 	int i;
669 
670 	scctx->isc_nrxqsets = pdata->rx_q_count;
671 	scctx->isc_ntxqsets = pdata->tx_q_count;
672 	scctx->isc_msix_bar = pci_msix_table_bar(pdata->dev);
673 	scctx->isc_tx_nsegments = 32;
674 
675 	for (i = 0; i < sctx->isc_ntxqs; i++) {
676 		scctx->isc_txqsizes[i] =
677 		    roundup2(scctx->isc_ntxd[i] * sizeof(struct xgbe_ring_desc),
678 		    128);
679 		scctx->isc_txd_size[i] = sizeof(struct xgbe_ring_desc);
680 	}
681 
682 	for (i = 0; i < sctx->isc_nrxqs; i++) {
683 		scctx->isc_rxqsizes[i] =
684 		    roundup2(scctx->isc_nrxd[i] * sizeof(struct xgbe_ring_desc),
685 		    128);
686 		scctx->isc_rxd_size[i] = sizeof(struct xgbe_ring_desc);
687 	}
688 
689 	scctx->isc_tx_tso_segments_max = 32;
690 	scctx->isc_tx_tso_size_max = XGBE_TSO_MAX_SIZE;
691 	scctx->isc_tx_tso_segsize_max = PAGE_SIZE;
692 
693 	/*
694 	 * Set capabilities
695 	 * 1) IFLIB automatically adds IFCAP_HWSTATS, so need to set explicitly
696 	 * 2) isc_tx_csum_flags is mandatory if IFCAP_TXCSUM (included in
697 	 *    IFCAP_HWCSUM) is set
698 	 */
699 	scctx->isc_tx_csum_flags = (CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_SCTP |
700 	    CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_SCTP_IPV6 |
701 	    CSUM_TSO);
702 	scctx->isc_capenable = (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 |
703 	    IFCAP_JUMBO_MTU |
704 	    IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWFILTER |
705 	    IFCAP_VLAN_HWCSUM |
706 	    IFCAP_TSO | IFCAP_VLAN_HWTSO);
707 	scctx->isc_capabilities = scctx->isc_capenable;
708 
709 	/*
710 	 * Set rss_table_size alone when adding RSS support. rss_table_mask
711 	 * will be set by IFLIB based on rss_table_size
712 	 */
713 	scctx->isc_rss_table_size = XGBE_RSS_MAX_TABLE_SIZE;
714 
715 	scctx->isc_ntxqsets_max = XGBE_MAX_QUEUES;
716 	scctx->isc_nrxqsets_max = XGBE_MAX_QUEUES;
717 
718 	scctx->isc_txrx = &axgbe_txrx;
719 }
720 
721 static int
722 axgbe_alloc_channels(if_ctx_t ctx)
723 {
724 	struct axgbe_if_softc 	*sc = iflib_get_softc(ctx);
725 	struct xgbe_prv_data	*pdata = &sc->pdata;
726 	struct xgbe_channel	*channel;
727 	int i, j, count;
728 
729 	DBGPR("%s: txqs %d rxqs %d\n", __func__, pdata->tx_ring_count,
730 	    pdata->rx_ring_count);
731 
732 	/* Iflibe sets based on isc_ntxqsets/nrxqsets */
733 	count = max_t(unsigned int, pdata->tx_ring_count, pdata->rx_ring_count);
734 
735 	/* Allocate channel memory */
736 	for (i = 0; i < count ; i++) {
737 		channel = (struct xgbe_channel*)malloc(sizeof(struct xgbe_channel),
738 		    M_AXGBE, M_NOWAIT | M_ZERO);
739 
740 		if (channel == NULL) {
741 			for (j = 0; j < i; j++) {
742 				free(pdata->channel[j], M_AXGBE);
743 				pdata->channel[j] = NULL;
744 			}
745 			return (ENOMEM);
746 		}
747 
748 		pdata->channel[i] = channel;
749 	}
750 
751 	pdata->total_channel_count = count;
752 	DBGPR("Channel count set to: %u\n", pdata->total_channel_count);
753 
754 	for (i = 0; i < count; i++) {
755 
756 		channel = pdata->channel[i];
757 		snprintf(channel->name, sizeof(channel->name), "channel-%d",i);
758 
759 		channel->pdata = pdata;
760 		channel->queue_index = i;
761 		channel->dma_tag = rman_get_bustag(pdata->xgmac_res);
762 		bus_space_subregion(channel->dma_tag,
763 		    rman_get_bushandle(pdata->xgmac_res),
764 		    DMA_CH_BASE + (DMA_CH_INC * i), DMA_CH_INC,
765 		    &channel->dma_handle);
766 		channel->tx_ring = NULL;
767 		channel->rx_ring = NULL;
768 	}
769 
770 	return (0);
771 } /* axgbe_alloc_channels */
772 
773 static void
774 axgbe_free_channels(struct axgbe_if_softc *sc)
775 {
776 	struct xgbe_prv_data	*pdata = &sc->pdata;
777 	int i;
778 
779 	for (i = 0; i < pdata->total_channel_count ; i++) {
780 		free(pdata->channel[i], M_AXGBE);
781 		pdata->channel[i] = NULL;
782 	}
783 
784 	pdata->total_channel_count = 0;
785 	pdata->channel_count = 0;
786 }
787 
788 static void
789 xgbe_service(void *ctx, int pending)
790 {
791         struct xgbe_prv_data *pdata = ctx;
792 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)pdata;
793 	bool prev_state = false;
794 
795 	/* Get previous link status */
796 	prev_state = pdata->phy.link;
797 
798         pdata->phy_if.phy_status(pdata);
799 
800 	if (prev_state != pdata->phy.link) {
801 		pdata->phy_link = pdata->phy.link;
802 		axgbe_if_update_admin_status(sc->ctx);
803 	}
804 
805         callout_reset(&pdata->service_timer, 1*hz, xgbe_service_timer, pdata);
806 }
807 
808 static void
809 xgbe_service_timer(void *data)
810 {
811         struct xgbe_prv_data *pdata = data;
812 
813         taskqueue_enqueue(pdata->dev_workqueue, &pdata->service_work);
814 }
815 
816 static void
817 xgbe_init_timers(struct xgbe_prv_data *pdata)
818 {
819         callout_init(&pdata->service_timer, 1);
820 }
821 
822 static void
823 xgbe_start_timers(struct xgbe_prv_data *pdata)
824 {
825 	callout_reset(&pdata->service_timer, 1*hz, xgbe_service_timer, pdata);
826 }
827 
828 static void
829 xgbe_stop_timers(struct xgbe_prv_data *pdata)
830 {
831         callout_drain(&pdata->service_timer);
832         callout_stop(&pdata->service_timer);
833 }
834 
835 static void
836 xgbe_dump_phy_registers(struct xgbe_prv_data *pdata)
837 {
838         axgbe_printf(1, "\n************* PHY Reg dump *********************\n");
839 
840         axgbe_printf(1, "PCS Control Reg (%#06x) = %#06x\n", MDIO_CTRL1,
841             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1));
842         axgbe_printf(1, "PCS Status Reg (%#06x) = %#06x\n", MDIO_STAT1,
843             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1));
844         axgbe_printf(1, "Phy Id (PHYS ID 1 %#06x)= %#06x\n", MDIO_DEVID1,
845             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID1));
846         axgbe_printf(1, "Phy Id (PHYS ID 2 %#06x)= %#06x\n", MDIO_DEVID2,
847             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID2));
848         axgbe_printf(1, "Devices in Package (%#06x)= %#06x\n", MDIO_DEVS1,
849             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS1));
850         axgbe_printf(1, "Devices in Package (%#06x)= %#06x\n", MDIO_DEVS2,
851             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS2));
852         axgbe_printf(1, "Auto-Neg Control Reg (%#06x) = %#06x\n", MDIO_CTRL1,
853             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1));
854         axgbe_printf(1, "Auto-Neg Status Reg (%#06x) = %#06x\n", MDIO_STAT1,
855             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_STAT1));
856         axgbe_printf(1, "Auto-Neg Ad Reg 1 (%#06x) = %#06x\n",
857             MDIO_AN_ADVERTISE,
858             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE));
859         axgbe_printf(1, "Auto-Neg Ad Reg 2 (%#06x) = %#06x\n",
860             MDIO_AN_ADVERTISE + 1,
861             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1));
862         axgbe_printf(1, "Auto-Neg Ad Reg 3 (%#06x) = %#06x\n",
863             MDIO_AN_ADVERTISE + 2,
864             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2));
865         axgbe_printf(1, "Auto-Neg Completion Reg (%#06x) = %#06x\n",
866             MDIO_AN_COMP_STAT,
867             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_COMP_STAT));
868 
869         axgbe_printf(1, "\n************************************************\n");
870 }
871 
872 static void
873 xgbe_dump_prop_registers(struct xgbe_prv_data *pdata)
874 {
875 	int i;
876 
877         axgbe_printf(1, "\n************* PROP Reg dump ********************\n");
878 
879 	for (i = 0 ; i < 38 ; i++) {
880 		axgbe_printf(1, "PROP Offset 0x%08x = %08x\n",
881 		    (XP_PROP_0 + (i * 4)), XP_IOREAD(pdata,
882 		    (XP_PROP_0 + (i * 4))));
883 	}
884 }
885 
886 static void
887 xgbe_dump_dma_registers(struct xgbe_prv_data *pdata, int ch)
888 {
889 	struct xgbe_channel     *channel;
890 	int i;
891 
892         axgbe_printf(1, "\n************* DMA Reg dump *********************\n");
893 
894         axgbe_printf(1, "DMA MR Reg (%08x) = %08x\n", DMA_MR,
895            XGMAC_IOREAD(pdata, DMA_MR));
896         axgbe_printf(1, "DMA SBMR Reg (%08x) = %08x\n", DMA_SBMR,
897            XGMAC_IOREAD(pdata, DMA_SBMR));
898         axgbe_printf(1, "DMA ISR Reg (%08x) = %08x\n", DMA_ISR,
899            XGMAC_IOREAD(pdata, DMA_ISR));
900         axgbe_printf(1, "DMA AXIARCR Reg (%08x) = %08x\n", DMA_AXIARCR,
901            XGMAC_IOREAD(pdata, DMA_AXIARCR));
902         axgbe_printf(1, "DMA AXIAWCR Reg (%08x) = %08x\n", DMA_AXIAWCR,
903            XGMAC_IOREAD(pdata, DMA_AXIAWCR));
904         axgbe_printf(1, "DMA AXIAWARCR Reg (%08x) = %08x\n", DMA_AXIAWARCR,
905            XGMAC_IOREAD(pdata, DMA_AXIAWARCR));
906         axgbe_printf(1, "DMA DSR0 Reg (%08x) = %08x\n", DMA_DSR0,
907            XGMAC_IOREAD(pdata, DMA_DSR0));
908         axgbe_printf(1, "DMA DSR1 Reg (%08x) = %08x\n", DMA_DSR1,
909            XGMAC_IOREAD(pdata, DMA_DSR1));
910         axgbe_printf(1, "DMA DSR2 Reg (%08x) = %08x\n", DMA_DSR2,
911            XGMAC_IOREAD(pdata, DMA_DSR2));
912         axgbe_printf(1, "DMA DSR3 Reg (%08x) = %08x\n", DMA_DSR3,
913            XGMAC_IOREAD(pdata, DMA_DSR3));
914         axgbe_printf(1, "DMA DSR4 Reg (%08x) = %08x\n", DMA_DSR4,
915            XGMAC_IOREAD(pdata, DMA_DSR4));
916         axgbe_printf(1, "DMA TXEDMACR Reg (%08x) = %08x\n", DMA_TXEDMACR,
917            XGMAC_IOREAD(pdata, DMA_TXEDMACR));
918         axgbe_printf(1, "DMA RXEDMACR Reg (%08x) = %08x\n", DMA_RXEDMACR,
919            XGMAC_IOREAD(pdata, DMA_RXEDMACR));
920 
921 	for (i = 0 ; i < 8 ; i++ ) {
922 
923 		if (ch >= 0) {
924 			if (i != ch)
925 				continue;
926 		}
927 
928 		channel = pdata->channel[i];
929 
930         	axgbe_printf(1, "\n************* DMA CH %d dump ****************\n", i);
931 
932         	axgbe_printf(1, "DMA_CH_CR Reg (%08x) = %08x\n",
933 		    DMA_CH_CR, XGMAC_DMA_IOREAD(channel, DMA_CH_CR));
934         	axgbe_printf(1, "DMA_CH_TCR Reg (%08x) = %08x\n",
935 		    DMA_CH_TCR, XGMAC_DMA_IOREAD(channel, DMA_CH_TCR));
936         	axgbe_printf(1, "DMA_CH_RCR Reg (%08x) = %08x\n",
937 		    DMA_CH_RCR, XGMAC_DMA_IOREAD(channel, DMA_CH_RCR));
938         	axgbe_printf(1, "DMA_CH_TDLR_HI Reg (%08x) = %08x\n",
939 		    DMA_CH_TDLR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_TDLR_HI));
940         	axgbe_printf(1, "DMA_CH_TDLR_LO Reg (%08x) = %08x\n",
941 		    DMA_CH_TDLR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDLR_LO));
942         	axgbe_printf(1, "DMA_CH_RDLR_HI Reg (%08x) = %08x\n",
943 		    DMA_CH_RDLR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_RDLR_HI));
944         	axgbe_printf(1, "DMA_CH_RDLR_LO Reg (%08x) = %08x\n",
945 		    DMA_CH_RDLR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDLR_LO));
946         	axgbe_printf(1, "DMA_CH_TDTR_LO Reg (%08x) = %08x\n",
947 		    DMA_CH_TDTR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDTR_LO));
948         	axgbe_printf(1, "DMA_CH_RDTR_LO Reg (%08x) = %08x\n",
949 		    DMA_CH_RDTR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDTR_LO));
950         	axgbe_printf(1, "DMA_CH_TDRLR Reg (%08x) = %08x\n",
951 		    DMA_CH_TDRLR, XGMAC_DMA_IOREAD(channel, DMA_CH_TDRLR));
952         	axgbe_printf(1, "DMA_CH_RDRLR Reg (%08x) = %08x\n",
953 		    DMA_CH_RDRLR, XGMAC_DMA_IOREAD(channel, DMA_CH_RDRLR));
954         	axgbe_printf(1, "DMA_CH_IER Reg (%08x) = %08x\n",
955 		    DMA_CH_IER, XGMAC_DMA_IOREAD(channel, DMA_CH_IER));
956         	axgbe_printf(1, "DMA_CH_RIWT Reg (%08x) = %08x\n",
957 		    DMA_CH_RIWT, XGMAC_DMA_IOREAD(channel, DMA_CH_RIWT));
958         	axgbe_printf(1, "DMA_CH_CATDR_LO Reg (%08x) = %08x\n",
959 		    DMA_CH_CATDR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CATDR_LO));
960         	axgbe_printf(1, "DMA_CH_CARDR_LO Reg (%08x) = %08x\n",
961 		    DMA_CH_CARDR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CARDR_LO));
962         	axgbe_printf(1, "DMA_CH_CATBR_HI Reg (%08x) = %08x\n",
963 		    DMA_CH_CATBR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_CATBR_HI));
964         	axgbe_printf(1, "DMA_CH_CATBR_LO Reg (%08x) = %08x\n",
965 		    DMA_CH_CATBR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CATBR_LO));
966         	axgbe_printf(1, "DMA_CH_CARBR_HI Reg (%08x) = %08x\n",
967 		    DMA_CH_CARBR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_CARBR_HI));
968         	axgbe_printf(1, "DMA_CH_CARBR_LO Reg (%08x) = %08x\n",
969 		    DMA_CH_CARBR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CARBR_LO));
970         	axgbe_printf(1, "DMA_CH_SR Reg (%08x) = %08x\n",
971 		    DMA_CH_SR, XGMAC_DMA_IOREAD(channel, DMA_CH_SR));
972         	axgbe_printf(1, "DMA_CH_DSR Reg (%08x) = %08x\n",
973 		    DMA_CH_DSR,	XGMAC_DMA_IOREAD(channel, DMA_CH_DSR));
974         	axgbe_printf(1, "DMA_CH_DCFL Reg (%08x) = %08x\n",
975 		    DMA_CH_DCFL, XGMAC_DMA_IOREAD(channel, DMA_CH_DCFL));
976         	axgbe_printf(1, "DMA_CH_MFC Reg (%08x) = %08x\n",
977 		    DMA_CH_MFC, XGMAC_DMA_IOREAD(channel, DMA_CH_MFC));
978         	axgbe_printf(1, "DMA_CH_TDTRO Reg (%08x) = %08x\n",
979 		    DMA_CH_TDTRO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDTRO));
980         	axgbe_printf(1, "DMA_CH_RDTRO Reg (%08x) = %08x\n",
981 		    DMA_CH_RDTRO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDTRO));
982         	axgbe_printf(1, "DMA_CH_TDWRO Reg (%08x) = %08x\n",
983 		    DMA_CH_TDWRO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDWRO));
984         	axgbe_printf(1, "DMA_CH_RDWRO Reg (%08x) = %08x\n",
985 		    DMA_CH_RDWRO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDWRO));
986 	}
987 }
988 
989 static void
990 xgbe_dump_mtl_registers(struct xgbe_prv_data *pdata)
991 {
992 	int i;
993 
994         axgbe_printf(1, "\n************* MTL Reg dump *********************\n");
995 
996         axgbe_printf(1, "MTL OMR Reg (%08x) = %08x\n", MTL_OMR,
997            XGMAC_IOREAD(pdata, MTL_OMR));
998         axgbe_printf(1, "MTL FDCR Reg (%08x) = %08x\n", MTL_FDCR,
999            XGMAC_IOREAD(pdata, MTL_FDCR));
1000         axgbe_printf(1, "MTL FDSR Reg (%08x) = %08x\n", MTL_FDSR,
1001            XGMAC_IOREAD(pdata, MTL_FDSR));
1002         axgbe_printf(1, "MTL FDDR Reg (%08x) = %08x\n", MTL_FDDR,
1003            XGMAC_IOREAD(pdata, MTL_FDDR));
1004         axgbe_printf(1, "MTL ISR Reg (%08x) = %08x\n", MTL_ISR,
1005            XGMAC_IOREAD(pdata, MTL_ISR));
1006         axgbe_printf(1, "MTL RQDCM0R Reg (%08x) = %08x\n", MTL_RQDCM0R,
1007            XGMAC_IOREAD(pdata, MTL_RQDCM0R));
1008         axgbe_printf(1, "MTL RQDCM1R Reg (%08x) = %08x\n", MTL_RQDCM1R,
1009            XGMAC_IOREAD(pdata, MTL_RQDCM1R));
1010         axgbe_printf(1, "MTL RQDCM2R Reg (%08x) = %08x\n", MTL_RQDCM2R,
1011            XGMAC_IOREAD(pdata, MTL_RQDCM2R));
1012         axgbe_printf(1, "MTL TCPM0R Reg (%08x) = %08x\n", MTL_TCPM0R,
1013            XGMAC_IOREAD(pdata, MTL_TCPM0R));
1014         axgbe_printf(1, "MTL TCPM1R Reg (%08x) = %08x\n", MTL_TCPM1R,
1015            XGMAC_IOREAD(pdata, MTL_TCPM1R));
1016 
1017 	for (i = 0 ; i < 8 ; i++ ) {
1018 
1019         	axgbe_printf(1, "\n************* MTL CH %d dump ****************\n", i);
1020 
1021         	axgbe_printf(1, "MTL_Q_TQOMR Reg (%08x) = %08x\n",
1022 		    MTL_Q_TQOMR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQOMR));
1023         	axgbe_printf(1, "MTL_Q_TQUR Reg (%08x) = %08x\n",
1024 		    MTL_Q_TQUR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQUR));
1025         	axgbe_printf(1, "MTL_Q_TQDR Reg (%08x) = %08x\n",
1026 		    MTL_Q_TQDR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQDR));
1027         	axgbe_printf(1, "MTL_Q_TC0ETSCR Reg (%08x) = %08x\n",
1028 		    MTL_Q_TC0ETSCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0ETSCR));
1029         	axgbe_printf(1, "MTL_Q_TC0ETSSR Reg (%08x) = %08x\n",
1030 		    MTL_Q_TC0ETSSR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0ETSSR));
1031         	axgbe_printf(1, "MTL_Q_TC0QWR Reg (%08x) = %08x\n",
1032 		    MTL_Q_TC0QWR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0QWR));
1033 
1034         	axgbe_printf(1, "MTL_Q_RQOMR Reg (%08x) = %08x\n",
1035 		    MTL_Q_RQOMR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQOMR));
1036         	axgbe_printf(1, "MTL_Q_RQMPOCR Reg (%08x) = %08x\n",
1037 		    MTL_Q_RQMPOCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQMPOCR));
1038         	axgbe_printf(1, "MTL_Q_RQDR Reg (%08x) = %08x\n",
1039 		    MTL_Q_RQDR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQDR));
1040         	axgbe_printf(1, "MTL_Q_RQCR Reg (%08x) = %08x\n",
1041 		    MTL_Q_RQCR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQCR));
1042         	axgbe_printf(1, "MTL_Q_RQFCR Reg (%08x) = %08x\n",
1043 		    MTL_Q_RQFCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQFCR));
1044         	axgbe_printf(1, "MTL_Q_IER Reg (%08x) = %08x\n",
1045 		    MTL_Q_IER, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_IER));
1046         	axgbe_printf(1, "MTL_Q_ISR Reg (%08x) = %08x\n",
1047 		    MTL_Q_ISR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_ISR));
1048 	}
1049 }
1050 
1051 static void
1052 xgbe_dump_mac_registers(struct xgbe_prv_data *pdata)
1053 {
1054         axgbe_printf(1, "\n************* MAC Reg dump **********************\n");
1055 
1056         axgbe_printf(1, "MAC TCR Reg (%08x) = %08x\n", MAC_TCR,
1057            XGMAC_IOREAD(pdata, MAC_TCR));
1058         axgbe_printf(1, "MAC RCR Reg (%08x) = %08x\n", MAC_RCR,
1059            XGMAC_IOREAD(pdata, MAC_RCR));
1060         axgbe_printf(1, "MAC PFR Reg (%08x) = %08x\n", MAC_PFR,
1061            XGMAC_IOREAD(pdata, MAC_PFR));
1062         axgbe_printf(1, "MAC WTR Reg (%08x) = %08x\n", MAC_WTR,
1063            XGMAC_IOREAD(pdata, MAC_WTR));
1064         axgbe_printf(1, "MAC HTR0 Reg (%08x) = %08x\n", MAC_HTR0,
1065            XGMAC_IOREAD(pdata, MAC_HTR0));
1066         axgbe_printf(1, "MAC HTR1 Reg (%08x) = %08x\n", MAC_HTR1,
1067            XGMAC_IOREAD(pdata, MAC_HTR1));
1068         axgbe_printf(1, "MAC HTR2 Reg (%08x) = %08x\n", MAC_HTR2,
1069            XGMAC_IOREAD(pdata, MAC_HTR2));
1070         axgbe_printf(1, "MAC HTR3 Reg (%08x) = %08x\n", MAC_HTR3,
1071            XGMAC_IOREAD(pdata, MAC_HTR3));
1072         axgbe_printf(1, "MAC HTR4 Reg (%08x) = %08x\n", MAC_HTR4,
1073            XGMAC_IOREAD(pdata, MAC_HTR4));
1074         axgbe_printf(1, "MAC HTR5 Reg (%08x) = %08x\n", MAC_HTR5,
1075            XGMAC_IOREAD(pdata, MAC_HTR5));
1076         axgbe_printf(1, "MAC HTR6 Reg (%08x) = %08x\n", MAC_HTR6,
1077            XGMAC_IOREAD(pdata, MAC_HTR6));
1078         axgbe_printf(1, "MAC HTR7 Reg (%08x) = %08x\n", MAC_HTR7,
1079            XGMAC_IOREAD(pdata, MAC_HTR7));
1080         axgbe_printf(1, "MAC VLANTR Reg (%08x) = %08x\n", MAC_VLANTR,
1081            XGMAC_IOREAD(pdata, MAC_VLANTR));
1082         axgbe_printf(1, "MAC VLANHTR Reg (%08x) = %08x\n", MAC_VLANHTR,
1083            XGMAC_IOREAD(pdata, MAC_VLANHTR));
1084         axgbe_printf(1, "MAC VLANIR Reg (%08x) = %08x\n", MAC_VLANIR,
1085            XGMAC_IOREAD(pdata, MAC_VLANIR));
1086         axgbe_printf(1, "MAC IVLANIR Reg (%08x) = %08x\n", MAC_IVLANIR,
1087            XGMAC_IOREAD(pdata, MAC_IVLANIR));
1088         axgbe_printf(1, "MAC RETMR Reg (%08x) = %08x\n", MAC_RETMR,
1089            XGMAC_IOREAD(pdata, MAC_RETMR));
1090         axgbe_printf(1, "MAC Q0TFCR Reg (%08x) = %08x\n", MAC_Q0TFCR,
1091            XGMAC_IOREAD(pdata, MAC_Q0TFCR));
1092         axgbe_printf(1, "MAC Q1TFCR Reg (%08x) = %08x\n", MAC_Q1TFCR,
1093            XGMAC_IOREAD(pdata, MAC_Q1TFCR));
1094         axgbe_printf(1, "MAC Q2TFCR Reg (%08x) = %08x\n", MAC_Q2TFCR,
1095            XGMAC_IOREAD(pdata, MAC_Q2TFCR));
1096         axgbe_printf(1, "MAC Q3TFCR Reg (%08x) = %08x\n", MAC_Q3TFCR,
1097            XGMAC_IOREAD(pdata, MAC_Q3TFCR));
1098         axgbe_printf(1, "MAC Q4TFCR Reg (%08x) = %08x\n", MAC_Q4TFCR,
1099            XGMAC_IOREAD(pdata, MAC_Q4TFCR));
1100         axgbe_printf(1, "MAC Q5TFCR Reg (%08x) = %08x\n", MAC_Q5TFCR,
1101            XGMAC_IOREAD(pdata, MAC_Q5TFCR));
1102         axgbe_printf(1, "MAC Q6TFCR Reg (%08x) = %08x\n", MAC_Q6TFCR,
1103            XGMAC_IOREAD(pdata, MAC_Q6TFCR));
1104         axgbe_printf(1, "MAC Q7TFCR Reg (%08x) = %08x\n", MAC_Q7TFCR,
1105            XGMAC_IOREAD(pdata, MAC_Q7TFCR));
1106         axgbe_printf(1, "MAC RFCR Reg (%08x) = %08x\n", MAC_RFCR,
1107            XGMAC_IOREAD(pdata, MAC_RFCR));
1108         axgbe_printf(1, "MAC RQC0R Reg (%08x) = %08x\n", MAC_RQC0R,
1109            XGMAC_IOREAD(pdata, MAC_RQC0R));
1110         axgbe_printf(1, "MAC RQC1R Reg (%08x) = %08x\n", MAC_RQC1R,
1111            XGMAC_IOREAD(pdata, MAC_RQC1R));
1112         axgbe_printf(1, "MAC RQC2R Reg (%08x) = %08x\n", MAC_RQC2R,
1113            XGMAC_IOREAD(pdata, MAC_RQC2R));
1114         axgbe_printf(1, "MAC RQC3R Reg (%08x) = %08x\n", MAC_RQC3R,
1115            XGMAC_IOREAD(pdata, MAC_RQC3R));
1116         axgbe_printf(1, "MAC ISR Reg (%08x) = %08x\n", MAC_ISR,
1117            XGMAC_IOREAD(pdata, MAC_ISR));
1118         axgbe_printf(1, "MAC IER Reg (%08x) = %08x\n", MAC_IER,
1119            XGMAC_IOREAD(pdata, MAC_IER));
1120         axgbe_printf(1, "MAC RTSR Reg (%08x) = %08x\n", MAC_RTSR,
1121            XGMAC_IOREAD(pdata, MAC_RTSR));
1122         axgbe_printf(1, "MAC PMTCSR Reg (%08x) = %08x\n", MAC_PMTCSR,
1123            XGMAC_IOREAD(pdata, MAC_PMTCSR));
1124         axgbe_printf(1, "MAC RWKPFR Reg (%08x) = %08x\n", MAC_RWKPFR,
1125            XGMAC_IOREAD(pdata, MAC_RWKPFR));
1126         axgbe_printf(1, "MAC LPICSR Reg (%08x) = %08x\n", MAC_LPICSR,
1127            XGMAC_IOREAD(pdata, MAC_LPICSR));
1128         axgbe_printf(1, "MAC LPITCR Reg (%08x) = %08x\n", MAC_LPITCR,
1129            XGMAC_IOREAD(pdata, MAC_LPITCR));
1130         axgbe_printf(1, "MAC TIR Reg (%08x) = %08x\n", MAC_TIR,
1131            XGMAC_IOREAD(pdata, MAC_TIR));
1132         axgbe_printf(1, "MAC VR Reg (%08x) = %08x\n", MAC_VR,
1133            XGMAC_IOREAD(pdata, MAC_VR));
1134 	axgbe_printf(1, "MAC DR Reg (%08x) = %08x\n", MAC_DR,
1135            XGMAC_IOREAD(pdata, MAC_DR));
1136         axgbe_printf(1, "MAC HWF0R Reg (%08x) = %08x\n", MAC_HWF0R,
1137            XGMAC_IOREAD(pdata, MAC_HWF0R));
1138         axgbe_printf(1, "MAC HWF1R Reg (%08x) = %08x\n", MAC_HWF1R,
1139            XGMAC_IOREAD(pdata, MAC_HWF1R));
1140         axgbe_printf(1, "MAC HWF2R Reg (%08x) = %08x\n", MAC_HWF2R,
1141            XGMAC_IOREAD(pdata, MAC_HWF2R));
1142         axgbe_printf(1, "MAC MDIOSCAR Reg (%08x) = %08x\n", MAC_MDIOSCAR,
1143            XGMAC_IOREAD(pdata, MAC_MDIOSCAR));
1144         axgbe_printf(1, "MAC MDIOSCCDR Reg (%08x) = %08x\n", MAC_MDIOSCCDR,
1145            XGMAC_IOREAD(pdata, MAC_MDIOSCCDR));
1146         axgbe_printf(1, "MAC MDIOISR Reg (%08x) = %08x\n", MAC_MDIOISR,
1147            XGMAC_IOREAD(pdata, MAC_MDIOISR));
1148         axgbe_printf(1, "MAC MDIOIER Reg (%08x) = %08x\n", MAC_MDIOIER,
1149            XGMAC_IOREAD(pdata, MAC_MDIOIER));
1150         axgbe_printf(1, "MAC MDIOCL22R Reg (%08x) = %08x\n", MAC_MDIOCL22R,
1151            XGMAC_IOREAD(pdata, MAC_MDIOCL22R));
1152         axgbe_printf(1, "MAC GPIOCR Reg (%08x) = %08x\n", MAC_GPIOCR,
1153            XGMAC_IOREAD(pdata, MAC_GPIOCR));
1154         axgbe_printf(1, "MAC GPIOSR Reg (%08x) = %08x\n", MAC_GPIOSR,
1155            XGMAC_IOREAD(pdata, MAC_GPIOSR));
1156         axgbe_printf(1, "MAC MACA0HR Reg (%08x) = %08x\n", MAC_MACA0HR,
1157            XGMAC_IOREAD(pdata, MAC_MACA0HR));
1158         axgbe_printf(1, "MAC MACA0LR Reg (%08x) = %08x\n", MAC_TCR,
1159            XGMAC_IOREAD(pdata, MAC_MACA0LR));
1160         axgbe_printf(1, "MAC MACA1HR Reg (%08x) = %08x\n", MAC_MACA1HR,
1161            XGMAC_IOREAD(pdata, MAC_MACA1HR));
1162         axgbe_printf(1, "MAC MACA1LR Reg (%08x) = %08x\n", MAC_MACA1LR,
1163            XGMAC_IOREAD(pdata, MAC_MACA1LR));
1164         axgbe_printf(1, "MAC RSSCR Reg (%08x) = %08x\n", MAC_RSSCR,
1165            XGMAC_IOREAD(pdata, MAC_RSSCR));
1166         axgbe_printf(1, "MAC RSSDR Reg (%08x) = %08x\n", MAC_RSSDR,
1167            XGMAC_IOREAD(pdata, MAC_RSSDR));
1168         axgbe_printf(1, "MAC RSSAR Reg (%08x) = %08x\n", MAC_RSSAR,
1169            XGMAC_IOREAD(pdata, MAC_RSSAR));
1170         axgbe_printf(1, "MAC TSCR Reg (%08x) = %08x\n", MAC_TSCR,
1171            XGMAC_IOREAD(pdata, MAC_TSCR));
1172         axgbe_printf(1, "MAC SSIR Reg (%08x) = %08x\n", MAC_SSIR,
1173            XGMAC_IOREAD(pdata, MAC_SSIR));
1174         axgbe_printf(1, "MAC STSR Reg (%08x) = %08x\n", MAC_STSR,
1175            XGMAC_IOREAD(pdata, MAC_STSR));
1176         axgbe_printf(1, "MAC STNR Reg (%08x) = %08x\n", MAC_STNR,
1177            XGMAC_IOREAD(pdata, MAC_STNR));
1178         axgbe_printf(1, "MAC STSUR Reg (%08x) = %08x\n", MAC_STSUR,
1179            XGMAC_IOREAD(pdata, MAC_STSUR));
1180         axgbe_printf(1, "MAC STNUR Reg (%08x) = %08x\n", MAC_STNUR,
1181            XGMAC_IOREAD(pdata, MAC_STNUR));
1182         axgbe_printf(1, "MAC TSAR Reg (%08x) = %08x\n", MAC_TSAR,
1183            XGMAC_IOREAD(pdata, MAC_TSAR));
1184         axgbe_printf(1, "MAC TSSR Reg (%08x) = %08x\n", MAC_TSSR,
1185            XGMAC_IOREAD(pdata, MAC_TSSR));
1186         axgbe_printf(1, "MAC TXSNR Reg (%08x) = %08x\n", MAC_TXSNR,
1187            XGMAC_IOREAD(pdata, MAC_TXSNR));
1188 	 axgbe_printf(1, "MAC TXSSR Reg (%08x) = %08x\n", MAC_TXSSR,
1189            XGMAC_IOREAD(pdata, MAC_TXSSR));
1190 }
1191 
1192 static void
1193 xgbe_dump_rmon_counters(struct xgbe_prv_data *pdata)
1194 {
1195         struct xgbe_mmc_stats *stats = &pdata->mmc_stats;
1196 
1197         axgbe_printf(1, "\n************* RMON counters dump ***************\n");
1198 
1199         pdata->hw_if.read_mmc_stats(pdata);
1200 
1201         axgbe_printf(1, "rmon txoctetcount_gb (%08x) = %08lx\n",
1202 	    MMC_TXOCTETCOUNT_GB_LO, stats->txoctetcount_gb);
1203         axgbe_printf(1, "rmon txframecount_gb (%08x) = %08lx\n",
1204 	    MMC_TXFRAMECOUNT_GB_LO, stats->txframecount_gb);
1205         axgbe_printf(1, "rmon txbroadcastframes_g (%08x) = %08lx\n",
1206 	    MMC_TXBROADCASTFRAMES_G_LO, stats->txbroadcastframes_g);
1207         axgbe_printf(1, "rmon txmulticastframes_g (%08x) = %08lx\n",
1208 	    MMC_TXMULTICASTFRAMES_G_LO, stats->txmulticastframes_g);
1209         axgbe_printf(1, "rmon tx64octets_gb (%08x) = %08lx\n",
1210 	    MMC_TX64OCTETS_GB_LO, stats->tx64octets_gb);
1211         axgbe_printf(1, "rmon tx65to127octets_gb (%08x) = %08lx\n",
1212 	    MMC_TX65TO127OCTETS_GB_LO, stats->tx65to127octets_gb);
1213         axgbe_printf(1, "rmon tx128to255octets_gb (%08x) = %08lx\n",
1214 	    MMC_TX128TO255OCTETS_GB_LO, stats->tx128to255octets_gb);
1215         axgbe_printf(1, "rmon tx256to511octets_gb (%08x) = %08lx\n",
1216 	    MMC_TX256TO511OCTETS_GB_LO, stats->tx256to511octets_gb);
1217         axgbe_printf(1, "rmon tx512to1023octets_gb (%08x) = %08lx\n",
1218 	    MMC_TX512TO1023OCTETS_GB_LO, stats->tx512to1023octets_gb);
1219 	axgbe_printf(1, "rmon tx1024tomaxoctets_gb (%08x) = %08lx\n",
1220 	    MMC_TX1024TOMAXOCTETS_GB_LO, stats->tx1024tomaxoctets_gb);
1221         axgbe_printf(1, "rmon txunicastframes_gb (%08x) = %08lx\n",
1222 	    MMC_TXUNICASTFRAMES_GB_LO, stats->txunicastframes_gb);
1223         axgbe_printf(1, "rmon txmulticastframes_gb (%08x) = %08lx\n",
1224 	    MMC_TXMULTICASTFRAMES_GB_LO, stats->txmulticastframes_gb);
1225         axgbe_printf(1, "rmon txbroadcastframes_gb (%08x) = %08lx\n",
1226 	    MMC_TXBROADCASTFRAMES_GB_LO, stats->txbroadcastframes_gb);
1227         axgbe_printf(1, "rmon txunderflowerror (%08x) = %08lx\n",
1228 	    MMC_TXUNDERFLOWERROR_LO, stats->txunderflowerror);
1229         axgbe_printf(1, "rmon txoctetcount_g (%08x) = %08lx\n",
1230 	    MMC_TXOCTETCOUNT_G_LO, stats->txoctetcount_g);
1231         axgbe_printf(1, "rmon txframecount_g (%08x) = %08lx\n",
1232 	    MMC_TXFRAMECOUNT_G_LO, stats->txframecount_g);
1233         axgbe_printf(1, "rmon txpauseframes (%08x) = %08lx\n",
1234 	    MMC_TXPAUSEFRAMES_LO, stats->txpauseframes);
1235         axgbe_printf(1, "rmon txvlanframes_g (%08x) = %08lx\n",
1236 	    MMC_TXVLANFRAMES_G_LO, stats->txvlanframes_g);
1237         axgbe_printf(1, "rmon rxframecount_gb (%08x) = %08lx\n",
1238 	    MMC_RXFRAMECOUNT_GB_LO, stats->rxframecount_gb);
1239         axgbe_printf(1, "rmon rxoctetcount_gb (%08x) = %08lx\n",
1240 	    MMC_RXOCTETCOUNT_GB_LO, stats->rxoctetcount_gb);
1241         axgbe_printf(1, "rmon rxoctetcount_g (%08x) = %08lx\n",
1242 	    MMC_RXOCTETCOUNT_G_LO, stats->rxoctetcount_g);
1243         axgbe_printf(1, "rmon rxbroadcastframes_g (%08x) = %08lx\n",
1244 	    MMC_RXBROADCASTFRAMES_G_LO, stats->rxbroadcastframes_g);
1245         axgbe_printf(1, "rmon rxmulticastframes_g (%08x) = %08lx\n",
1246 	    MMC_RXMULTICASTFRAMES_G_LO, stats->rxmulticastframes_g);
1247         axgbe_printf(1, "rmon rxcrcerror (%08x) = %08lx\n",
1248 	    MMC_RXCRCERROR_LO, stats->rxcrcerror);
1249 	axgbe_printf(1, "rmon rxrunterror (%08x) = %08lx\n",
1250 	    MMC_RXRUNTERROR, stats->rxrunterror);
1251         axgbe_printf(1, "rmon rxjabbererror (%08x) = %08lx\n",
1252 	    MMC_RXJABBERERROR, stats->rxjabbererror);
1253         axgbe_printf(1, "rmon rxundersize_g (%08x) = %08lx\n",
1254 	    MMC_RXUNDERSIZE_G, stats->rxundersize_g);
1255         axgbe_printf(1, "rmon rxoversize_g (%08x) = %08lx\n",
1256 	    MMC_RXOVERSIZE_G, stats->rxoversize_g);
1257         axgbe_printf(1, "rmon rx64octets_gb (%08x) = %08lx\n",
1258 	    MMC_RX64OCTETS_GB_LO, stats->rx64octets_gb);
1259         axgbe_printf(1, "rmon rx65to127octets_gb (%08x) = %08lx\n",
1260 	    MMC_RX65TO127OCTETS_GB_LO, stats->rx65to127octets_gb);
1261         axgbe_printf(1, "rmon rx128to255octets_gb (%08x) = %08lx\n",
1262 	    MMC_RX128TO255OCTETS_GB_LO, stats->rx128to255octets_gb);
1263         axgbe_printf(1, "rmon rx256to511octets_gb (%08x) = %08lx\n",
1264 	    MMC_RX256TO511OCTETS_GB_LO, stats->rx256to511octets_gb);
1265         axgbe_printf(1, "rmon rx512to1023octets_gb (%08x) = %08lx\n",
1266 	    MMC_RX512TO1023OCTETS_GB_LO, stats->rx512to1023octets_gb);
1267         axgbe_printf(1, "rmon rx1024tomaxoctets_gb (%08x) = %08lx\n",
1268 	    MMC_RX1024TOMAXOCTETS_GB_LO, stats->rx1024tomaxoctets_gb);
1269         axgbe_printf(1, "rmon rxunicastframes_g (%08x) = %08lx\n",
1270 	    MMC_RXUNICASTFRAMES_G_LO, stats->rxunicastframes_g);
1271         axgbe_printf(1, "rmon rxlengtherror (%08x) = %08lx\n",
1272 	    MMC_RXLENGTHERROR_LO, stats->rxlengtherror);
1273         axgbe_printf(1, "rmon rxoutofrangetype (%08x) = %08lx\n",
1274 	    MMC_RXOUTOFRANGETYPE_LO, stats->rxoutofrangetype);
1275         axgbe_printf(1, "rmon rxpauseframes (%08x) = %08lx\n",
1276 	    MMC_RXPAUSEFRAMES_LO, stats->rxpauseframes);
1277         axgbe_printf(1, "rmon rxfifooverflow (%08x) = %08lx\n",
1278 	    MMC_RXFIFOOVERFLOW_LO, stats->rxfifooverflow);
1279 	axgbe_printf(1, "rmon rxvlanframes_gb (%08x) = %08lx\n",
1280 	    MMC_RXVLANFRAMES_GB_LO, stats->rxvlanframes_gb);
1281         axgbe_printf(1, "rmon rxwatchdogerror (%08x) = %08lx\n",
1282 	    MMC_RXWATCHDOGERROR, stats->rxwatchdogerror);
1283 }
1284 
1285 void
1286 xgbe_dump_i2c_registers(struct xgbe_prv_data *pdata)
1287 {
1288           axgbe_printf(1, "*************** I2C Registers **************\n");
1289           axgbe_printf(1, "  IC_CON             : %010x\n",
1290 	      XI2C_IOREAD(pdata, 0x00));
1291           axgbe_printf(1, "  IC_TAR             : %010x\n",
1292 	      XI2C_IOREAD(pdata, 0x04));
1293           axgbe_printf(1, "  IC_HS_MADDR        : %010x\n",
1294 	      XI2C_IOREAD(pdata, 0x0c));
1295           axgbe_printf(1, "  IC_INTR_STAT       : %010x\n",
1296 	      XI2C_IOREAD(pdata, 0x2c));
1297           axgbe_printf(1, "  IC_INTR_MASK       : %010x\n",
1298 	      XI2C_IOREAD(pdata, 0x30));
1299           axgbe_printf(1, "  IC_RAW_INTR_STAT   : %010x\n",
1300 	      XI2C_IOREAD(pdata, 0x34));
1301           axgbe_printf(1, "  IC_RX_TL           : %010x\n",
1302 	      XI2C_IOREAD(pdata, 0x38));
1303           axgbe_printf(1, "  IC_TX_TL           : %010x\n",
1304 	      XI2C_IOREAD(pdata, 0x3c));
1305           axgbe_printf(1, "  IC_ENABLE          : %010x\n",
1306 	      XI2C_IOREAD(pdata, 0x6c));
1307           axgbe_printf(1, "  IC_STATUS          : %010x\n",
1308 	      XI2C_IOREAD(pdata, 0x70));
1309           axgbe_printf(1, "  IC_TXFLR           : %010x\n",
1310 	      XI2C_IOREAD(pdata, 0x74));
1311           axgbe_printf(1, "  IC_RXFLR           : %010x\n",
1312 	      XI2C_IOREAD(pdata, 0x78));
1313           axgbe_printf(1, "  IC_ENABLE_STATUS   : %010x\n",
1314 	      XI2C_IOREAD(pdata, 0x9c));
1315           axgbe_printf(1, "  IC_COMP_PARAM1     : %010x\n",
1316 	      XI2C_IOREAD(pdata, 0xf4));
1317 }
1318 
1319 static void
1320 xgbe_dump_active_vlans(struct xgbe_prv_data *pdata)
1321 {
1322 	int i;
1323 
1324 	for(i=0 ; i<BITS_TO_LONGS(VLAN_NVID); i++) {
1325 		if (i && (i%8 == 0))
1326 			axgbe_printf(1, "\n");
1327                 axgbe_printf(1, "vlans[%d]: 0x%08lx ", i, pdata->active_vlans[i]);
1328 	}
1329 	axgbe_printf(1, "\n");
1330 }
1331 
1332 static void
1333 xgbe_default_config(struct xgbe_prv_data *pdata)
1334 {
1335         pdata->blen = DMA_SBMR_BLEN_64;
1336         pdata->pbl = DMA_PBL_128;
1337         pdata->aal = 1;
1338         pdata->rd_osr_limit = 8;
1339         pdata->wr_osr_limit = 8;
1340         pdata->tx_sf_mode = MTL_TSF_ENABLE;
1341         pdata->tx_threshold = MTL_TX_THRESHOLD_64;
1342         pdata->tx_osp_mode = DMA_OSP_ENABLE;
1343         pdata->rx_sf_mode = MTL_RSF_DISABLE;
1344         pdata->rx_threshold = MTL_RX_THRESHOLD_64;
1345         pdata->pause_autoneg = 1;
1346         pdata->tx_pause = 1;
1347         pdata->rx_pause = 1;
1348         pdata->phy_speed = SPEED_UNKNOWN;
1349         pdata->power_down = 0;
1350         pdata->enable_rss = 1;
1351 }
1352 
1353 static int
1354 axgbe_if_attach_post(if_ctx_t ctx)
1355 {
1356 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1357 	struct xgbe_prv_data	*pdata = &sc->pdata;
1358 	struct ifnet		*ifp = pdata->netdev;
1359         struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1360 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1361 	if_softc_ctx_t		scctx = sc->scctx;
1362 	int i, ret;
1363 
1364 	/* set split header support based on tunable */
1365 	pdata->sph_enable = axgbe_sph_enable;
1366 
1367 	/* Initialize ECC timestamps */
1368         pdata->tx_sec_period = ticks;
1369         pdata->tx_ded_period = ticks;
1370         pdata->rx_sec_period = ticks;
1371         pdata->rx_ded_period = ticks;
1372         pdata->desc_sec_period = ticks;
1373         pdata->desc_ded_period = ticks;
1374 
1375 	/* Reset the hardware */
1376 	ret = hw_if->exit(&sc->pdata);
1377 	if (ret)
1378 		axgbe_error("%s: exit error %d\n", __func__, ret);
1379 
1380 	/* Configure the defaults */
1381 	xgbe_default_config(pdata);
1382 
1383 	/* Set default max values if not provided */
1384         if (!pdata->tx_max_fifo_size)
1385                 pdata->tx_max_fifo_size = pdata->hw_feat.tx_fifo_size;
1386         if (!pdata->rx_max_fifo_size)
1387                 pdata->rx_max_fifo_size = pdata->hw_feat.rx_fifo_size;
1388 
1389 	DBGPR("%s: tx fifo 0x%x rx fifo 0x%x\n", __func__,
1390 	    pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
1391 
1392         /* Set and validate the number of descriptors for a ring */
1393         MPASS(powerof2(XGBE_TX_DESC_CNT));
1394         pdata->tx_desc_count = XGBE_TX_DESC_CNT;
1395         MPASS(powerof2(XGBE_RX_DESC_CNT));
1396         pdata->rx_desc_count = XGBE_RX_DESC_CNT;
1397 
1398         /* Adjust the number of queues based on interrupts assigned */
1399         if (pdata->channel_irq_count) {
1400                 pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count,
1401 		    pdata->channel_irq_count);
1402                 pdata->rx_ring_count = min_t(unsigned int, pdata->rx_ring_count,
1403 		    pdata->channel_irq_count);
1404 
1405 		DBGPR("adjusted TX %u/%u RX %u/%u\n",
1406 		    pdata->tx_ring_count, pdata->tx_q_count,
1407 		    pdata->rx_ring_count, pdata->rx_q_count);
1408         }
1409 
1410 	/* Set channel count based on interrupts assigned */
1411 	pdata->channel_count = max_t(unsigned int, scctx->isc_ntxqsets,
1412 	    scctx->isc_nrxqsets);
1413 	DBGPR("Channel count set to: %u\n", pdata->channel_count);
1414 
1415 	/* Get RSS key */
1416 #ifdef	RSS
1417 	rss_getkey((uint8_t *)pdata->rss_key);
1418 #else
1419 	arc4rand(&pdata->rss_key, ARRAY_SIZE(pdata->rss_key), 0);
1420 #endif
1421 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, IP2TE, 1);
1422 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, TCP4TE, 1);
1423 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1);
1424 
1425 	/* Initialize the PHY device */
1426 	pdata->sysctl_an_cdr_workaround = pdata->vdata->an_cdr_workaround;
1427 	phy_if->phy_init(pdata);
1428 
1429 	/* Set the coalescing */
1430         xgbe_init_rx_coalesce(&sc->pdata);
1431         xgbe_init_tx_coalesce(&sc->pdata);
1432 
1433 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_KR, 0, NULL);
1434 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_T, 0, NULL);
1435 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_SFI, 0, NULL);
1436 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_KX, 0, NULL);
1437 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_CX, 0, NULL);
1438 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_LX, 0, NULL);
1439 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_SX, 0, NULL);
1440 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_T, 0, NULL);
1441 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_SGMII, 0, NULL);
1442 	ifmedia_add(sc->media, IFM_ETHER | IFM_100_TX, 0, NULL);
1443 	ifmedia_add(sc->media, IFM_ETHER | IFM_100_SGMII, 0, NULL);
1444 	ifmedia_add(sc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
1445 	ifmedia_set(sc->media, IFM_ETHER | IFM_AUTO);
1446 
1447 	/* Initialize the phy */
1448 	pdata->phy_link = -1;
1449 	pdata->phy_speed = SPEED_UNKNOWN;
1450 	ret = phy_if->phy_reset(pdata);
1451 	if (ret)
1452 		return (ret);
1453 
1454 	/* Calculate the Rx buffer size before allocating rings */
1455 	ret = xgbe_calc_rx_buf_size(pdata->netdev, if_getmtu(pdata->netdev));
1456 	pdata->rx_buf_size = ret;
1457 	DBGPR("%s: rx_buf_size %d\n", __func__, ret);
1458 
1459 	/* Setup RSS lookup table */
1460 	for (i = 0; i < XGBE_RSS_MAX_TABLE_SIZE; i++)
1461 		XGMAC_SET_BITS(pdata->rss_table[i], MAC_RSSDR, DMCH,
1462 				i % pdata->rx_ring_count);
1463 
1464 	/*
1465 	 * Mark the device down until it is initialized, which happens
1466 	 * when the device is accessed first (for configuring the iface,
1467 	 * eg: setting IP)
1468 	 */
1469 	set_bit(XGBE_DOWN, &pdata->dev_state);
1470 
1471 	DBGPR("mtu %d\n", ifp->if_mtu);
1472 	scctx->isc_max_frame_size = ifp->if_mtu + 18;
1473 	scctx->isc_min_frame_size = XGMAC_MIN_PACKET;
1474 
1475 	axgbe_sysctl_init(pdata);
1476 
1477 	axgbe_pci_init(pdata);
1478 
1479 	return (0);
1480 } /* axgbe_if_attach_post */
1481 
1482 static void
1483 xgbe_free_intr(struct xgbe_prv_data *pdata, struct resource *res, void *tag,
1484 		int rid)
1485 {
1486 	if (tag)
1487 		bus_teardown_intr(pdata->dev, res, tag);
1488 
1489 	if (res)
1490 		bus_release_resource(pdata->dev, SYS_RES_IRQ, rid, res);
1491 }
1492 
1493 static void
1494 axgbe_interrupts_free(if_ctx_t ctx)
1495 {
1496 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1497         struct xgbe_prv_data	*pdata = &sc->pdata;
1498         if_softc_ctx_t          scctx = sc->scctx;
1499         struct xgbe_channel     *channel;
1500         struct if_irq   irq;
1501         int i;
1502 
1503 	axgbe_printf(2, "%s: mode %d\n", __func__, scctx->isc_intr);
1504 
1505 	/* Free dev_irq */
1506 	iflib_irq_free(ctx, &pdata->dev_irq);
1507 
1508 	/* Free ecc_irq */
1509 	xgbe_free_intr(pdata, pdata->ecc_irq_res, pdata->ecc_irq_tag,
1510 	    pdata->ecc_rid);
1511 
1512 	/* Free i2c_irq */
1513 	xgbe_free_intr(pdata, pdata->i2c_irq_res, pdata->i2c_irq_tag,
1514 	    pdata->i2c_rid);
1515 
1516 	/* Free an_irq */
1517 	xgbe_free_intr(pdata, pdata->an_irq_res, pdata->an_irq_tag,
1518 	    pdata->an_rid);
1519 
1520 	for (i = 0; i < scctx->isc_nrxqsets; i++) {
1521 
1522 		channel = pdata->channel[i];
1523 		axgbe_printf(2, "%s: rid %d\n", __func__, channel->dma_irq_rid);
1524 		irq.ii_res = channel->dma_irq_res;
1525 		irq.ii_tag = channel->dma_irq_tag;
1526 		iflib_irq_free(ctx, &irq);
1527 	}
1528 }
1529 
1530 static int
1531 axgbe_if_detach(if_ctx_t ctx)
1532 {
1533 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1534 	struct xgbe_prv_data	*pdata = &sc->pdata;
1535         struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1536         struct resource *mac_res[2];
1537 
1538 	mac_res[0] = pdata->xgmac_res;
1539 	mac_res[1] = pdata->xpcs_res;
1540 
1541 	phy_if->phy_exit(pdata);
1542 
1543 	/* Free Interrupts */
1544 	axgbe_interrupts_free(ctx);
1545 
1546 	/* Free workqueues */
1547 	taskqueue_free(pdata->dev_workqueue);
1548 
1549 	/* Release bus resources */
1550 	bus_release_resources(iflib_get_dev(ctx), axgbe_pci_mac_spec, mac_res);
1551 
1552 	/* Free VLAN bitmap */
1553 	free(pdata->active_vlans, M_AXGBE);
1554 
1555 	axgbe_sysctl_exit(pdata);
1556 
1557 	return (0);
1558 } /* axgbe_if_detach */
1559 
1560 static void
1561 axgbe_pci_init(struct xgbe_prv_data *pdata)
1562 {
1563 	struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1564 	struct xgbe_hw_if       *hw_if = &pdata->hw_if;
1565 	int ret = 0;
1566 
1567 	if (!__predict_false((test_bit(XGBE_DOWN, &pdata->dev_state)))) {
1568 		axgbe_printf(1, "%s: Starting when XGBE_UP\n", __func__);
1569 		return;
1570 	}
1571 
1572 	hw_if->init(pdata);
1573 
1574         ret = phy_if->phy_start(pdata);
1575         if (ret) {
1576 		axgbe_error("%s:  phy start %d\n", __func__, ret);
1577 		ret = hw_if->exit(pdata);
1578 		if (ret)
1579 			axgbe_error("%s: exit error %d\n", __func__, ret);
1580 		return;
1581 	}
1582 
1583 	hw_if->enable_tx(pdata);
1584 	hw_if->enable_rx(pdata);
1585 
1586 	xgbe_start_timers(pdata);
1587 
1588 	clear_bit(XGBE_DOWN, &pdata->dev_state);
1589 
1590 	xgbe_dump_phy_registers(pdata);
1591 	xgbe_dump_prop_registers(pdata);
1592 	xgbe_dump_dma_registers(pdata, -1);
1593 	xgbe_dump_mtl_registers(pdata);
1594 	xgbe_dump_mac_registers(pdata);
1595 	xgbe_dump_rmon_counters(pdata);
1596 }
1597 
1598 static void
1599 axgbe_if_init(if_ctx_t ctx)
1600 {
1601 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1602 	struct xgbe_prv_data    *pdata = &sc->pdata;
1603 
1604 	axgbe_pci_init(pdata);
1605 }
1606 
1607 static void
1608 axgbe_pci_stop(if_ctx_t ctx)
1609 {
1610 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1611         struct xgbe_prv_data    *pdata = &sc->pdata;
1612 	struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1613 	struct xgbe_hw_if       *hw_if = &pdata->hw_if;
1614 	int ret;
1615 
1616 	if (__predict_false(test_bit(XGBE_DOWN, &pdata->dev_state))) {
1617 		axgbe_printf(1, "%s: Stopping when XGBE_DOWN\n", __func__);
1618 		return;
1619 	}
1620 
1621 	xgbe_stop_timers(pdata);
1622 	taskqueue_drain_all(pdata->dev_workqueue);
1623 
1624 	hw_if->disable_tx(pdata);
1625 	hw_if->disable_rx(pdata);
1626 
1627 	phy_if->phy_stop(pdata);
1628 
1629 	ret = hw_if->exit(pdata);
1630 	if (ret)
1631 		axgbe_error("%s: exit error %d\n", __func__, ret);
1632 
1633 	set_bit(XGBE_DOWN, &pdata->dev_state);
1634 }
1635 
1636 static void
1637 axgbe_if_stop(if_ctx_t ctx)
1638 {
1639 	axgbe_pci_stop(ctx);
1640 }
1641 
1642 static void
1643 axgbe_if_disable_intr(if_ctx_t ctx)
1644 {
1645 	/* TODO - implement */
1646 }
1647 
1648 static void
1649 axgbe_if_enable_intr(if_ctx_t ctx)
1650 {
1651 	/* TODO - implement */
1652 }
1653 
1654 static int
1655 axgbe_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *va, uint64_t *pa, int ntxqs,
1656     int ntxqsets)
1657 {
1658 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1659 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1660 	if_softc_ctx_t		scctx = sc->scctx;
1661 	struct xgbe_channel	*channel;
1662 	struct xgbe_ring	*tx_ring;
1663 	int			i, j, k;
1664 
1665 	MPASS(scctx->isc_ntxqsets > 0);
1666 	MPASS(scctx->isc_ntxqsets == ntxqsets);
1667 	MPASS(ntxqs == 1);
1668 
1669 	axgbe_printf(1, "%s: txqsets %d/%d txqs %d\n", __func__,
1670 	    scctx->isc_ntxqsets, ntxqsets, ntxqs);
1671 
1672 	for (i = 0 ; i < ntxqsets; i++) {
1673 
1674 		channel = pdata->channel[i];
1675 
1676 		tx_ring = (struct xgbe_ring*)malloc(ntxqs *
1677 		    sizeof(struct xgbe_ring), M_AXGBE, M_NOWAIT | M_ZERO);
1678 
1679 		if (tx_ring == NULL) {
1680 			axgbe_error("Unable to allocate TX ring memory\n");
1681 			goto tx_ring_fail;
1682 		}
1683 
1684 		channel->tx_ring = tx_ring;
1685 
1686 		for (j = 0; j < ntxqs; j++, tx_ring++) {
1687 			tx_ring->rdata =
1688 			    (struct xgbe_ring_data*)malloc(scctx->isc_ntxd[j] *
1689 			    sizeof(struct xgbe_ring_data), M_AXGBE, M_NOWAIT);
1690 
1691 			/* Get the virtual & physical address of hw queues */
1692 			tx_ring->rdesc = (struct xgbe_ring_desc *)va[i*ntxqs + j];
1693 			tx_ring->rdesc_paddr = pa[i*ntxqs + j];
1694 			tx_ring->rdesc_count = scctx->isc_ntxd[j];
1695 			spin_lock_init(&tx_ring->lock);
1696 		}
1697 	}
1698 
1699 	axgbe_printf(1, "allocated for %d tx queues\n", scctx->isc_ntxqsets);
1700 
1701 	return (0);
1702 
1703 tx_ring_fail:
1704 
1705 	for (j = 0; j < i ; j++) {
1706 
1707 		channel = pdata->channel[j];
1708 
1709 		tx_ring = channel->tx_ring;
1710 		for (k = 0; k < ntxqs ; k++, tx_ring++) {
1711 			if (tx_ring && tx_ring->rdata)
1712 				free(tx_ring->rdata, M_AXGBE);
1713 		}
1714 		free(channel->tx_ring, M_AXGBE);
1715 
1716 		channel->tx_ring = NULL;
1717 	}
1718 
1719 	return (ENOMEM);
1720 
1721 } /* axgbe_if_tx_queues_alloc */
1722 
1723 static int
1724 axgbe_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *va, uint64_t *pa, int nrxqs,
1725     int nrxqsets)
1726 {
1727 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1728 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1729 	if_softc_ctx_t		scctx = sc->scctx;
1730 	struct xgbe_channel	*channel;
1731 	struct xgbe_ring	*rx_ring;
1732 	int			i, j, k;
1733 
1734 	MPASS(scctx->isc_nrxqsets > 0);
1735 	MPASS(scctx->isc_nrxqsets == nrxqsets);
1736 	if (!pdata->sph_enable) {
1737 		MPASS(nrxqs == 1);
1738 	} else {
1739 		MPASS(nrxqs == 2);
1740 	}
1741 
1742 	axgbe_printf(1, "%s: rxqsets %d/%d rxqs %d\n", __func__,
1743 	    scctx->isc_nrxqsets, nrxqsets, nrxqs);
1744 
1745 	for (i = 0 ; i < nrxqsets; i++) {
1746 
1747 		channel = pdata->channel[i];
1748 
1749 		rx_ring = (struct xgbe_ring*)malloc(nrxqs *
1750 		    sizeof(struct xgbe_ring), M_AXGBE, M_NOWAIT | M_ZERO);
1751 
1752 		if (rx_ring == NULL) {
1753 			axgbe_error("Unable to allocate RX ring memory\n");
1754 			goto rx_ring_fail;
1755 		}
1756 
1757 		channel->rx_ring = rx_ring;
1758 
1759 		for (j = 0; j < nrxqs; j++, rx_ring++) {
1760 			rx_ring->rdata =
1761 			    (struct xgbe_ring_data*)malloc(scctx->isc_nrxd[j] *
1762 			    sizeof(struct xgbe_ring_data), M_AXGBE, M_NOWAIT);
1763 
1764 			/* Get the virtual and physical address of the hw queues */
1765 			rx_ring->rdesc = (struct xgbe_ring_desc *)va[i*nrxqs + j];
1766 			rx_ring->rdesc_paddr = pa[i*nrxqs + j];
1767 			rx_ring->rdesc_count = scctx->isc_nrxd[j];
1768 			spin_lock_init(&rx_ring->lock);
1769 		}
1770 	}
1771 
1772 	axgbe_printf(2, "allocated for %d rx queues\n", scctx->isc_nrxqsets);
1773 
1774 	return (0);
1775 
1776 rx_ring_fail:
1777 
1778 	for (j = 0 ; j < i ; j++) {
1779 
1780 		channel = pdata->channel[j];
1781 
1782 		rx_ring = channel->rx_ring;
1783 		for (k = 0; k < nrxqs ; k++, rx_ring++) {
1784 			if (rx_ring && rx_ring->rdata)
1785 				free(rx_ring->rdata, M_AXGBE);
1786 		}
1787 		free(channel->rx_ring, M_AXGBE);
1788 
1789 		channel->rx_ring = NULL;
1790 	}
1791 
1792 	return (ENOMEM);
1793 
1794 } /* axgbe_if_rx_queues_alloc */
1795 
1796 static void
1797 axgbe_if_queues_free(if_ctx_t ctx)
1798 {
1799 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1800 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1801 	if_softc_ctx_t		scctx = sc->scctx;
1802 	if_shared_ctx_t		sctx = sc->sctx;
1803 	struct xgbe_channel	*channel;
1804 	struct xgbe_ring        *tx_ring;
1805 	struct xgbe_ring        *rx_ring;
1806 	int i, j;
1807 
1808 	for (i = 0 ; i < scctx->isc_ntxqsets; i++) {
1809 
1810 		channel = pdata->channel[i];
1811 
1812 		tx_ring = channel->tx_ring;
1813 		for (j = 0; j < sctx->isc_ntxqs ; j++, tx_ring++) {
1814 			if (tx_ring && tx_ring->rdata)
1815 				free(tx_ring->rdata, M_AXGBE);
1816 		}
1817 		free(channel->tx_ring, M_AXGBE);
1818 		channel->tx_ring = NULL;
1819 	}
1820 
1821 	for (i = 0 ; i < scctx->isc_nrxqsets; i++) {
1822 
1823 		channel = pdata->channel[i];
1824 
1825 		rx_ring = channel->rx_ring;
1826 		for (j = 0; j < sctx->isc_nrxqs ; j++, rx_ring++) {
1827 			if (rx_ring && rx_ring->rdata)
1828 				free(rx_ring->rdata, M_AXGBE);
1829 		}
1830 		free(channel->rx_ring, M_AXGBE);
1831 		channel->rx_ring = NULL;
1832 	}
1833 
1834 	axgbe_free_channels(sc);
1835 } /* axgbe_if_queues_free */
1836 
1837 static void
1838 axgbe_if_vlan_register(if_ctx_t ctx, uint16_t vtag)
1839 {
1840 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1841 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1842 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1843 
1844 	if (!bit_test(pdata->active_vlans, vtag)) {
1845 		axgbe_printf(0, "Registering VLAN %d\n", vtag);
1846 
1847 		bit_set(pdata->active_vlans, vtag);
1848 		hw_if->update_vlan_hash_table(pdata);
1849 		pdata->num_active_vlans++;
1850 
1851 		axgbe_printf(1, "Total active vlans: %d\n",
1852 		    pdata->num_active_vlans);
1853 	} else
1854 		axgbe_printf(0, "VLAN %d already registered\n", vtag);
1855 
1856 	xgbe_dump_active_vlans(pdata);
1857 }
1858 
1859 static void
1860 axgbe_if_vlan_unregister(if_ctx_t ctx, uint16_t vtag)
1861 {
1862 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1863 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1864 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1865 
1866 	if (pdata->num_active_vlans == 0) {
1867 		axgbe_printf(1, "No active VLANs to unregister\n");
1868 		return;
1869 	}
1870 
1871 	if (bit_test(pdata->active_vlans, vtag)){
1872 		axgbe_printf(0, "Un-Registering VLAN %d\n", vtag);
1873 
1874 		bit_clear(pdata->active_vlans, vtag);
1875 		hw_if->update_vlan_hash_table(pdata);
1876 		pdata->num_active_vlans--;
1877 
1878 		axgbe_printf(1, "Total active vlans: %d\n",
1879 		    pdata->num_active_vlans);
1880 	} else
1881 		axgbe_printf(0, "VLAN %d already unregistered\n", vtag);
1882 
1883 	xgbe_dump_active_vlans(pdata);
1884 }
1885 
1886 #if __FreeBSD_version >= 1300000
1887 static bool
1888 axgbe_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
1889 {
1890         switch (event) {
1891         case IFLIB_RESTART_VLAN_CONFIG:
1892         default:
1893                 return (true);
1894         }
1895 }
1896 #endif
1897 
1898 static int
1899 axgbe_if_msix_intr_assign(if_ctx_t ctx, int msix)
1900 {
1901 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1902 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1903 	if_softc_ctx_t		scctx = sc->scctx;
1904 	struct xgbe_channel	*channel;
1905 	struct if_irq		irq;
1906 	int			i, error, rid = 0, flags;
1907 	char			buf[16];
1908 
1909 	MPASS(scctx->isc_intr != IFLIB_INTR_LEGACY);
1910 
1911 	pdata->isr_as_tasklet = 1;
1912 
1913 	if (scctx->isc_intr == IFLIB_INTR_MSI) {
1914 		pdata->irq_count = 1;
1915 		pdata->channel_irq_count = 1;
1916 		return (0);
1917 	}
1918 
1919 	axgbe_printf(1, "%s: msix %d txqsets %d rxqsets %d\n", __func__, msix,
1920 	    scctx->isc_ntxqsets, scctx->isc_nrxqsets);
1921 
1922 	flags = RF_ACTIVE;
1923 
1924 	/* DEV INTR SETUP */
1925 	rid++;
1926 	error = iflib_irq_alloc_generic(ctx, &pdata->dev_irq, rid,
1927 	    IFLIB_INTR_ADMIN, axgbe_dev_isr, sc, 0, "dev_irq");
1928 	if (error) {
1929 		axgbe_error("Failed to register device interrupt rid %d name %s\n",
1930 		    rid, "dev_irq");
1931 		return (error);
1932 	}
1933 
1934 	/* ECC INTR SETUP */
1935 	rid++;
1936 	pdata->ecc_rid = rid;
1937 	pdata->ecc_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1938 	    &rid, flags);
1939 	if (!pdata->ecc_irq_res) {
1940 		axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1941 		    rid, "ecc_irq");
1942 		return (ENOMEM);
1943 	}
1944 
1945 	error = bus_setup_intr(pdata->dev, pdata->ecc_irq_res, INTR_MPSAFE |
1946 	    INTR_TYPE_NET, NULL, axgbe_ecc_isr, sc, &pdata->ecc_irq_tag);
1947         if (error) {
1948                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1949 		    rid, "ecc_irq", error);
1950                 return (error);
1951 	}
1952 
1953 	/* I2C INTR SETUP */
1954 	rid++;
1955 	pdata->i2c_rid = rid;
1956         pdata->i2c_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1957 	    &rid, flags);
1958         if (!pdata->i2c_irq_res) {
1959                 axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1960 		    rid, "i2c_irq");
1961                 return (ENOMEM);
1962         }
1963 
1964         error = bus_setup_intr(pdata->dev, pdata->i2c_irq_res, INTR_MPSAFE |
1965 	    INTR_TYPE_NET, NULL, axgbe_i2c_isr, sc, &pdata->i2c_irq_tag);
1966         if (error) {
1967                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1968 		    rid, "i2c_irq", error);
1969                 return (error);
1970 	}
1971 
1972 	/* AN INTR SETUP */
1973 	rid++;
1974 	pdata->an_rid = rid;
1975         pdata->an_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1976 	    &rid, flags);
1977         if (!pdata->an_irq_res) {
1978                 axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1979 		    rid, "an_irq");
1980                 return (ENOMEM);
1981         }
1982 
1983         error = bus_setup_intr(pdata->dev, pdata->an_irq_res, INTR_MPSAFE |
1984 	    INTR_TYPE_NET, NULL, axgbe_an_isr, sc, &pdata->an_irq_tag);
1985         if (error) {
1986                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1987 		    rid, "an_irq", error);
1988                 return (error);
1989 	}
1990 
1991 	pdata->per_channel_irq = 1;
1992 	pdata->channel_irq_mode = XGBE_IRQ_MODE_LEVEL;
1993 	rid++;
1994 	for (i = 0; i < scctx->isc_nrxqsets; i++, rid++) {
1995 
1996 		channel = pdata->channel[i];
1997 
1998 		snprintf(buf, sizeof(buf), "rxq%d", i);
1999 		error = iflib_irq_alloc_generic(ctx, &irq, rid, IFLIB_INTR_RXTX,
2000 		    axgbe_msix_que, channel, channel->queue_index, buf);
2001 
2002 		if (error) {
2003 			axgbe_error("Failed to allocated que int %d err: %d\n",
2004 			    i, error);
2005 			return (error);
2006 		}
2007 
2008 		channel->dma_irq_rid = rid;
2009 		channel->dma_irq_res = irq.ii_res;
2010 		channel->dma_irq_tag = irq.ii_tag;
2011 		axgbe_printf(1, "%s: channel count %d idx %d irq %d\n",
2012 		    __func__, scctx->isc_nrxqsets, i, rid);
2013 	}
2014 	pdata->irq_count = msix;
2015 	pdata->channel_irq_count = scctx->isc_nrxqsets;
2016 
2017 	for (i = 0; i < scctx->isc_ntxqsets; i++) {
2018 
2019 		channel = pdata->channel[i];
2020 
2021 		snprintf(buf, sizeof(buf), "txq%d", i);
2022 		irq.ii_res = channel->dma_irq_res;
2023 		iflib_softirq_alloc_generic(ctx, &irq, IFLIB_INTR_TX, channel,
2024 		    channel->queue_index, buf);
2025 	}
2026 
2027 	return (0);
2028 } /* axgbe_if_msix_intr_assign */
2029 
2030 static int
2031 xgbe_enable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel)
2032 {
2033         struct xgbe_hw_if *hw_if = &pdata->hw_if;
2034         enum xgbe_int int_id;
2035 
2036 	if (channel->tx_ring && channel->rx_ring)
2037 		int_id = XGMAC_INT_DMA_CH_SR_TI_RI;
2038 	else if (channel->tx_ring)
2039 		int_id = XGMAC_INT_DMA_CH_SR_TI;
2040 	else if (channel->rx_ring)
2041 		int_id = XGMAC_INT_DMA_CH_SR_RI;
2042 	else
2043 		return (-1);
2044 
2045 	axgbe_printf(1, "%s channel: %d rx_tx interrupt enabled %d\n",
2046 	    __func__, channel->queue_index, int_id);
2047         return (hw_if->enable_int(channel, int_id));
2048 }
2049 
2050 static void
2051 xgbe_disable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel)
2052 {
2053         struct xgbe_hw_if *hw_if = &pdata->hw_if;
2054         enum xgbe_int int_id;
2055 
2056         if (channel->tx_ring && channel->rx_ring)
2057                 int_id = XGMAC_INT_DMA_CH_SR_TI_RI;
2058         else if (channel->tx_ring)
2059                 int_id = XGMAC_INT_DMA_CH_SR_TI;
2060         else if (channel->rx_ring)
2061                 int_id = XGMAC_INT_DMA_CH_SR_RI;
2062         else
2063                 return;
2064 
2065 	axgbe_printf(1, "%s channel: %d rx_tx interrupt disabled %d\n",
2066 	    __func__, channel->queue_index, int_id);
2067         hw_if->disable_int(channel, int_id);
2068 }
2069 
2070 static void
2071 xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata)
2072 {
2073         unsigned int i;
2074 
2075         for (i = 0; i < pdata->channel_count; i++)
2076                 xgbe_disable_rx_tx_int(pdata, pdata->channel[i]);
2077 }
2078 
2079 static int
2080 axgbe_msix_que(void *arg)
2081 {
2082 	struct xgbe_channel	*channel = (struct xgbe_channel *)arg;
2083 	struct xgbe_prv_data	*pdata = channel->pdata;
2084 	unsigned int 		dma_status;
2085 
2086 	axgbe_printf(1, "%s: Channel: %d SR 0x%04x DSR 0x%04x IER:0x%04x D_ISR:0x%04x M_ISR:0x%04x\n",
2087 	    __func__, channel->queue_index,
2088 	    XGMAC_DMA_IOREAD(channel, DMA_CH_SR),
2089 	    XGMAC_DMA_IOREAD(channel, DMA_CH_DSR),
2090 	    XGMAC_DMA_IOREAD(channel, DMA_CH_IER),
2091 	    XGMAC_IOREAD(pdata, DMA_ISR),
2092 	    XGMAC_IOREAD(pdata, MAC_ISR));
2093 
2094 	(void)XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
2095 
2096 	/* Disable Tx and Rx channel interrupts */
2097 	xgbe_disable_rx_tx_int(pdata, channel);
2098 
2099 	/* Clear the interrupts */
2100 	dma_status = 0;
2101 	XGMAC_SET_BITS(dma_status, DMA_CH_SR, TI, 1);
2102 	XGMAC_SET_BITS(dma_status, DMA_CH_SR, RI, 1);
2103 	XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_status);
2104 
2105 	return (FILTER_SCHEDULE_THREAD);
2106 }
2107 
2108 static int
2109 axgbe_dev_isr(void *arg)
2110 {
2111 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2112 	struct xgbe_prv_data	*pdata = &sc->pdata;
2113 	struct xgbe_channel	*channel;
2114 	struct xgbe_hw_if	*hw_if = &pdata->hw_if;
2115 	unsigned int		i, dma_isr, dma_ch_isr;
2116 	unsigned int		mac_isr, mac_mdioisr;
2117 	int ret = FILTER_HANDLED;
2118 
2119 	dma_isr = XGMAC_IOREAD(pdata, DMA_ISR);
2120 	axgbe_printf(2, "%s DMA ISR: 0x%x\n", __func__, dma_isr);
2121 
2122         if (!dma_isr)
2123                 return (FILTER_HANDLED);
2124 
2125         for (i = 0; i < pdata->channel_count; i++) {
2126 
2127                 if (!(dma_isr & (1 << i)))
2128                         continue;
2129 
2130                 channel = pdata->channel[i];
2131 
2132                 dma_ch_isr = XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
2133 		axgbe_printf(2, "%s: channel %d SR 0x%x DSR 0x%x\n", __func__,
2134 		    channel->queue_index, dma_ch_isr, XGMAC_DMA_IOREAD(channel,
2135 		    DMA_CH_DSR));
2136 
2137                 /*
2138 		 * The TI or RI interrupt bits may still be set even if using
2139                  * per channel DMA interrupts. Check to be sure those are not
2140                  * enabled before using the private data napi structure.
2141                  */
2142 		if (!pdata->per_channel_irq &&
2143 		    (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, TI) ||
2144 		    XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RI))) {
2145 
2146 			/* Disable Tx and Rx interrupts */
2147 			xgbe_disable_rx_tx_ints(pdata);
2148                 } else {
2149 
2150 			/*
2151 			 * Don't clear Rx/Tx status if doing per channel DMA
2152 			 * interrupts, these will be cleared by the ISR for
2153 		 	 * per channel DMA interrupts
2154 		 	 */
2155                 	XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, TI, 0);
2156                 	XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, RI, 0);
2157 		}
2158 
2159                 if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RBU))
2160                         pdata->ext_stats.rx_buffer_unavailable++;
2161 
2162                 /* Restart the device on a Fatal Bus Error */
2163                 if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, FBE))
2164 			axgbe_error("%s: Fatal bus error reported 0x%x\n",
2165 			    __func__, dma_ch_isr);
2166 
2167                 /* Clear all interrupt signals */
2168                 XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_ch_isr);
2169 
2170 		ret = FILTER_SCHEDULE_THREAD;
2171         }
2172 
2173         if (XGMAC_GET_BITS(dma_isr, DMA_ISR, MACIS)) {
2174 
2175                 mac_isr = XGMAC_IOREAD(pdata, MAC_ISR);
2176 		axgbe_printf(2, "%s MAC ISR: 0x%x\n", __func__, mac_isr);
2177 
2178                 if (XGMAC_GET_BITS(mac_isr, MAC_ISR, MMCTXIS))
2179                         hw_if->tx_mmc_int(pdata);
2180 
2181                 if (XGMAC_GET_BITS(mac_isr, MAC_ISR, MMCRXIS))
2182                         hw_if->rx_mmc_int(pdata);
2183 
2184 		if (XGMAC_GET_BITS(mac_isr, MAC_ISR, SMI)) {
2185 			mac_mdioisr = XGMAC_IOREAD(pdata, MAC_MDIOISR);
2186 
2187 			if (XGMAC_GET_BITS(mac_mdioisr, MAC_MDIOISR,
2188 			    SNGLCOMPINT))
2189 				wakeup_one(pdata);
2190 		}
2191 
2192 	}
2193 
2194 	return (ret);
2195 } /* axgbe_dev_isr */
2196 
2197 static void
2198 axgbe_i2c_isr(void *arg)
2199 {
2200 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2201 
2202 	sc->pdata.i2c_if.i2c_isr(&sc->pdata);
2203 }
2204 
2205 static void
2206 axgbe_ecc_isr(void *arg)
2207 {
2208 	/* TODO - implement */
2209 }
2210 
2211 static void
2212 axgbe_an_isr(void *arg)
2213 {
2214 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2215 
2216 	sc->pdata.phy_if.an_isr(&sc->pdata);
2217 }
2218 
2219 static int
2220 axgbe_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
2221 {
2222 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2223 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2224 	int ret;
2225 
2226 	if (qid < pdata->tx_q_count) {
2227 		ret = xgbe_enable_rx_tx_int(pdata, pdata->channel[qid]);
2228 		if (ret) {
2229 			axgbe_error("Enable TX INT failed\n");
2230 			return (ret);
2231 		}
2232 	} else
2233 		axgbe_error("Queue ID exceed channel count\n");
2234 
2235 	return (0);
2236 }
2237 
2238 static int
2239 axgbe_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
2240 {
2241 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2242 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2243 	int ret;
2244 
2245 	if (qid < pdata->rx_q_count) {
2246 		ret = xgbe_enable_rx_tx_int(pdata, pdata->channel[qid]);
2247 		if (ret) {
2248 			axgbe_error("Enable RX INT failed\n");
2249 			return (ret);
2250 		}
2251 	} else
2252 		axgbe_error("Queue ID exceed channel count\n");
2253 
2254 	return (0);
2255 }
2256 
2257 static void
2258 axgbe_if_update_admin_status(if_ctx_t ctx)
2259 {
2260 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2261 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2262 
2263 	axgbe_printf(1, "%s: phy_link %d status %d speed %d\n", __func__,
2264 	    pdata->phy_link, sc->link_status, pdata->phy.speed);
2265 
2266 	if (pdata->phy_link < 0)
2267 		return;
2268 
2269 	if (pdata->phy_link) {
2270 		if (sc->link_status == LINK_STATE_DOWN) {
2271 			sc->link_status = LINK_STATE_UP;
2272 			if (pdata->phy.speed & SPEED_10000)
2273 				iflib_link_state_change(ctx, LINK_STATE_UP,
2274 				    IF_Gbps(10));
2275 			else if (pdata->phy.speed & SPEED_2500)
2276 				iflib_link_state_change(ctx, LINK_STATE_UP,
2277 				    IF_Gbps(2.5));
2278 			else if (pdata->phy.speed & SPEED_1000)
2279 				iflib_link_state_change(ctx, LINK_STATE_UP,
2280 				    IF_Gbps(1));
2281 			else if (pdata->phy.speed & SPEED_100)
2282 				iflib_link_state_change(ctx, LINK_STATE_UP,
2283 				    IF_Mbps(100));
2284 			else if (pdata->phy.speed & SPEED_10)
2285 				iflib_link_state_change(ctx, LINK_STATE_UP,
2286 				    IF_Mbps(10));
2287 		}
2288 	} else {
2289 		if (sc->link_status == LINK_STATE_UP) {
2290 			sc->link_status = LINK_STATE_DOWN;
2291 			iflib_link_state_change(ctx, LINK_STATE_DOWN, 0);
2292 		}
2293 	}
2294 }
2295 
2296 static int
2297 axgbe_if_media_change(if_ctx_t ctx)
2298 {
2299         struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
2300         struct ifmedia          *ifm = iflib_get_media(ctx);
2301 
2302         sx_xlock(&sc->pdata.an_mutex);
2303         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
2304                 return (EINVAL);
2305 
2306         switch (IFM_SUBTYPE(ifm->ifm_media)) {
2307         case IFM_10G_KR:
2308                 sc->pdata.phy.speed = SPEED_10000;
2309                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2310                 break;
2311         case IFM_2500_KX:
2312                 sc->pdata.phy.speed = SPEED_2500;
2313                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2314                 break;
2315         case IFM_1000_KX:
2316                 sc->pdata.phy.speed = SPEED_1000;
2317                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2318                 break;
2319         case IFM_100_TX:
2320                 sc->pdata.phy.speed = SPEED_100;
2321                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2322                 break;
2323         case IFM_AUTO:
2324                 sc->pdata.phy.autoneg = AUTONEG_ENABLE;
2325                 break;
2326         }
2327         sx_xunlock(&sc->pdata.an_mutex);
2328 
2329         return (-sc->pdata.phy_if.phy_config_aneg(&sc->pdata));
2330 }
2331 
2332 static int
2333 axgbe_if_promisc_set(if_ctx_t ctx, int flags)
2334 {
2335 	struct axgbe_if_softc *sc = iflib_get_softc(ctx);
2336 	struct xgbe_prv_data *pdata = &sc->pdata;
2337 	struct ifnet *ifp = pdata->netdev;
2338 
2339 	axgbe_printf(1, "%s: MAC_PFR 0x%x drv_flags 0x%x if_flags 0x%x\n",
2340 	    __func__, XGMAC_IOREAD(pdata, MAC_PFR), ifp->if_drv_flags, ifp->if_flags);
2341 
2342 	if (ifp->if_flags & IFF_PPROMISC) {
2343 
2344 		axgbe_printf(1, "User requested to enter promisc mode\n");
2345 
2346 		if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == 1) {
2347 			axgbe_printf(1, "Already in promisc mode\n");
2348 			return (0);
2349 		}
2350 
2351 		axgbe_printf(1, "Entering promisc mode\n");
2352 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 1);
2353 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 0);
2354 	} else {
2355 
2356 		axgbe_printf(1, "User requested to leave promisc mode\n");
2357 
2358 		if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == 0) {
2359 			axgbe_printf(1, "Already not in promisc mode\n");
2360 			return (0);
2361 		}
2362 
2363 		axgbe_printf(1, "Leaving promisc mode\n");
2364 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 0);
2365 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 1);
2366 	}
2367 
2368 	return (0);
2369 }
2370 
2371 static uint64_t
2372 axgbe_if_get_counter(if_ctx_t ctx, ift_counter cnt)
2373 {
2374 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2375         struct ifnet		*ifp = iflib_get_ifp(ctx);
2376         struct xgbe_prv_data    *pdata = &sc->pdata;
2377         struct xgbe_mmc_stats	*pstats = &pdata->mmc_stats;
2378 
2379         pdata->hw_if.read_mmc_stats(pdata);
2380 
2381         switch(cnt) {
2382         case IFCOUNTER_IPACKETS:
2383                 return (pstats->rxframecount_gb);
2384         case IFCOUNTER_IERRORS:
2385                 return (pstats->rxframecount_gb - pstats->rxbroadcastframes_g -
2386                     pstats->rxmulticastframes_g - pstats->rxunicastframes_g);
2387         case IFCOUNTER_OPACKETS:
2388                 return (pstats->txframecount_gb);
2389         case IFCOUNTER_OERRORS:
2390                 return (pstats->txframecount_gb - pstats->txframecount_g);
2391         case IFCOUNTER_IBYTES:
2392                 return (pstats->rxoctetcount_gb);
2393         case IFCOUNTER_OBYTES:
2394                 return (pstats->txoctetcount_gb);
2395         default:
2396                 return (if_get_counter_default(ifp, cnt));
2397         }
2398 }
2399 
2400 static int
2401 axgbe_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
2402 {
2403         struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2404 	struct xgbe_prv_data	*pdata = &sc->pdata;
2405 	int ret;
2406 
2407         if (mtu > XGMAC_JUMBO_PACKET_MTU)
2408                 return (EINVAL);
2409 
2410 	ret = xgbe_calc_rx_buf_size(pdata->netdev, mtu);
2411         pdata->rx_buf_size = ret;
2412         axgbe_printf(1, "%s: rx_buf_size %d\n", __func__, ret);
2413 
2414         sc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
2415         return (0);
2416 }
2417 
2418 static void
2419 axgbe_if_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
2420 {
2421         struct axgbe_if_softc *sc = iflib_get_softc(ctx);
2422         struct xgbe_prv_data *pdata = &sc->pdata;
2423 
2424         ifmr->ifm_status = IFM_AVALID;
2425 	if (!sc->pdata.phy.link)
2426 		return;
2427 
2428 	ifmr->ifm_active = IFM_ETHER;
2429 	ifmr->ifm_status |= IFM_ACTIVE;
2430 
2431 	axgbe_printf(1, "Speed 0x%x Mode %d\n", sc->pdata.phy.speed,
2432 	    pdata->phy_if.phy_impl.cur_mode(pdata));
2433 	pdata->phy_if.phy_impl.get_type(pdata, ifmr);
2434 
2435 	ifmr->ifm_active |= IFM_FDX;
2436 	ifmr->ifm_active |= IFM_ETH_TXPAUSE;
2437 	ifmr->ifm_active |= IFM_ETH_RXPAUSE;
2438 }
2439