xref: /freebsd/sys/dev/axgbe/if_axgbe_pci.c (revision b97ee269eae3cbaf35c18f51a459aea581c2a7dc)
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 DRIVER_MODULE(axp, pci, ax_driver, 0, 0);
199 DRIVER_MODULE(miibus, ax, miibus_driver, 0, 0);
200 IFLIB_PNP_INFO(pci, ax_driver, axgbe_vendor_info_array);
201 
202 MODULE_DEPEND(ax, pci, 1, 1, 1);
203 MODULE_DEPEND(ax, ether, 1, 1, 1);
204 MODULE_DEPEND(ax, iflib, 1, 1, 1);
205 MODULE_DEPEND(ax, miibus, 1, 1, 1);
206 
207 /* Iflib Interface */
208 static device_method_t axgbe_if_methods[] = {
209 	DEVMETHOD(ifdi_attach_pre, axgbe_if_attach_pre),
210 	DEVMETHOD(ifdi_attach_post, axgbe_if_attach_post),
211 	DEVMETHOD(ifdi_detach, axgbe_if_detach),
212 	DEVMETHOD(ifdi_init, axgbe_if_init),
213 	DEVMETHOD(ifdi_stop, axgbe_if_stop),
214 	DEVMETHOD(ifdi_msix_intr_assign, axgbe_if_msix_intr_assign),
215 	DEVMETHOD(ifdi_intr_enable, axgbe_if_enable_intr),
216 	DEVMETHOD(ifdi_intr_disable, axgbe_if_disable_intr),
217 	DEVMETHOD(ifdi_tx_queue_intr_enable, axgbe_if_tx_queue_intr_enable),
218 	DEVMETHOD(ifdi_rx_queue_intr_enable, axgbe_if_rx_queue_intr_enable),
219 	DEVMETHOD(ifdi_tx_queues_alloc, axgbe_if_tx_queues_alloc),
220 	DEVMETHOD(ifdi_rx_queues_alloc, axgbe_if_rx_queues_alloc),
221 	DEVMETHOD(ifdi_queues_free, axgbe_if_queues_free),
222 	DEVMETHOD(ifdi_update_admin_status, axgbe_if_update_admin_status),
223 	DEVMETHOD(ifdi_mtu_set, axgbe_if_mtu_set),
224 	DEVMETHOD(ifdi_media_status, axgbe_if_media_status),
225 	DEVMETHOD(ifdi_media_change, axgbe_if_media_change),
226 	DEVMETHOD(ifdi_promisc_set, axgbe_if_promisc_set),
227 	DEVMETHOD(ifdi_get_counter, axgbe_if_get_counter),
228 	DEVMETHOD(ifdi_vlan_register, axgbe_if_vlan_register),
229 	DEVMETHOD(ifdi_vlan_unregister, axgbe_if_vlan_unregister),
230 #if __FreeBSD_version >= 1300000
231 	DEVMETHOD(ifdi_needs_restart, axgbe_if_needs_restart),
232 #endif
233 	DEVMETHOD_END
234 };
235 
236 static driver_t axgbe_if_driver = {
237 	"axgbe_if", axgbe_if_methods, sizeof(struct axgbe_if_softc)
238 };
239 
240 /* Iflib Shared Context */
241 static struct if_shared_ctx axgbe_sctx_init = {
242 	.isc_magic = IFLIB_MAGIC,
243 	.isc_driver = &axgbe_if_driver,
244 	.isc_q_align = PAGE_SIZE,
245 	.isc_tx_maxsize = XGBE_TSO_MAX_SIZE + sizeof(struct ether_vlan_header),
246 	.isc_tx_maxsegsize = PAGE_SIZE,
247 	.isc_tso_maxsize = XGBE_TSO_MAX_SIZE + sizeof(struct ether_vlan_header),
248 	.isc_tso_maxsegsize = PAGE_SIZE,
249 	.isc_rx_maxsize = MJUM9BYTES,
250 	.isc_rx_maxsegsize = MJUM9BYTES,
251 	.isc_rx_nsegments = 1,
252 	.isc_admin_intrcnt = 4,
253 
254 	.isc_vendor_info = axgbe_vendor_info_array,
255 	.isc_driver_version = XGBE_DRV_VERSION,
256 
257 	.isc_ntxd_min = {XGBE_TX_DESC_CNT_MIN},
258 	.isc_ntxd_default = {XGBE_TX_DESC_CNT_DEFAULT},
259 	.isc_ntxd_max = {XGBE_TX_DESC_CNT_MAX},
260 
261 	.isc_ntxqs = 1,
262 	.isc_flags = IFLIB_TSO_INIT_IP | IFLIB_NEED_SCRATCH |
263 	    IFLIB_NEED_ZERO_CSUM | IFLIB_NEED_ETHER_PAD,
264 };
265 
266 static void *
267 axgbe_register(device_t dev)
268 {
269 	int axgbe_nfl;
270 	int axgbe_nrxqs;
271 	int error, i;
272 	char *value = NULL;
273 
274 	value = kern_getenv("dev.ax.sph_enable");
275 	if (value) {
276 		axgbe_sph_enable = strtol(value, NULL, 10);
277 		freeenv(value);
278 	} else {
279 		/*
280 		 * No tunable found, generate one with default values
281 		 * Note: only a reboot will reveal the new kenv
282 		 */
283 		error = kern_setenv("dev.ax.sph_enable", "1");
284 		if (error) {
285 			printf("Error setting tunable, using default driver values\n");
286 		}
287 		axgbe_sph_enable = 1;
288 	}
289 
290 	if (!axgbe_sph_enable) {
291 		axgbe_nfl = 1;
292 		axgbe_nrxqs = 1;
293 	} else {
294 		axgbe_nfl = 2;
295 		axgbe_nrxqs = 2;
296 	}
297 
298 	axgbe_sctx_init.isc_nfl = axgbe_nfl;
299 	axgbe_sctx_init.isc_nrxqs = axgbe_nrxqs;
300 
301 	for (i = 0 ; i < axgbe_nrxqs ; i++) {
302 		axgbe_sctx_init.isc_nrxd_min[i] = XGBE_RX_DESC_CNT_MIN;
303 		axgbe_sctx_init.isc_nrxd_default[i] = XGBE_RX_DESC_CNT_DEFAULT;
304 		axgbe_sctx_init.isc_nrxd_max[i] = XGBE_RX_DESC_CNT_MAX;
305 	}
306 
307 	return (&axgbe_sctx_init);
308 }
309 
310 /* MII Interface Functions */
311 static int
312 axgbe_miibus_readreg(device_t dev, int phy, int reg)
313 {
314 	struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
315 	struct xgbe_prv_data    *pdata = &sc->pdata;
316 	int val;
317 
318 	axgbe_printf(3, "%s: phy %d reg %d\n", __func__, phy, reg);
319 
320 	val = xgbe_phy_mii_read(pdata, phy, reg);
321 
322 	axgbe_printf(2, "%s: val 0x%x\n", __func__, val);
323 	return (val & 0xFFFF);
324 }
325 
326 static int
327 axgbe_miibus_writereg(device_t dev, int phy, int reg, int val)
328 {
329 	struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
330 	struct xgbe_prv_data    *pdata = &sc->pdata;
331 
332 	axgbe_printf(3, "%s: phy %d reg %d val 0x%x\n", __func__, phy, reg, val);
333 
334 	xgbe_phy_mii_write(pdata, phy, reg, val);
335 
336 	return(0);
337 }
338 
339 static void
340 axgbe_miibus_statchg(device_t dev)
341 {
342         struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
343         struct xgbe_prv_data    *pdata = &sc->pdata;
344 	struct mii_data		*mii = device_get_softc(pdata->axgbe_miibus);
345 	struct ifnet		*ifp = pdata->netdev;
346 	int bmsr;
347 
348 	axgbe_printf(2, "%s: Link %d/%d\n", __func__, pdata->phy.link,
349 	    pdata->phy_link);
350 
351 	if (mii == NULL || ifp == NULL ||
352 	    (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
353 		return;
354 
355 	if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
356 	    (IFM_ACTIVE | IFM_AVALID)) {
357 
358 		switch (IFM_SUBTYPE(mii->mii_media_active)) {
359 		case IFM_10_T:
360 		case IFM_100_TX:
361 			pdata->phy.link = 1;
362 			break;
363 		case IFM_1000_T:
364 		case IFM_1000_SX:
365 		case IFM_2500_SX:
366 			pdata->phy.link = 1;
367 			break;
368 		default:
369 			pdata->phy.link = 0;
370 			break;
371 		}
372 	} else
373 		pdata->phy_link = 0;
374 
375 	bmsr = axgbe_miibus_readreg(pdata->dev, pdata->mdio_addr, MII_BMSR);
376 	if (bmsr & BMSR_ANEG) {
377 
378 		axgbe_printf(2, "%s: Autoneg Done\n", __func__);
379 
380 		/* Raise AN Interrupt */
381 		XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_INTMASK,
382 		    XGBE_AN_CL73_INT_MASK);
383 	}
384 }
385 
386 static int
387 axgbe_if_attach_pre(if_ctx_t ctx)
388 {
389 	struct axgbe_if_softc	*sc;
390 	struct xgbe_prv_data	*pdata;
391 	struct resource		*mac_res[2];
392 	if_softc_ctx_t		scctx;
393 	if_shared_ctx_t		sctx;
394 	device_t		dev;
395 	unsigned int		ma_lo, ma_hi;
396 	unsigned int		reg;
397 	int			ret;
398 
399 	sc = iflib_get_softc(ctx);
400 	sc->pdata.dev = dev = iflib_get_dev(ctx);
401 	sc->sctx = sctx = iflib_get_sctx(ctx);
402 	sc->scctx = scctx = iflib_get_softc_ctx(ctx);
403 	sc->media = iflib_get_media(ctx);
404 	sc->ctx = ctx;
405 	sc->link_status = LINK_STATE_DOWN;
406 	pdata = &sc->pdata;
407 	pdata->netdev = iflib_get_ifp(ctx);
408 
409 	spin_lock_init(&pdata->xpcs_lock);
410 
411 	/* Initialize locks */
412         mtx_init(&pdata->rss_mutex, "xgbe rss mutex lock", NULL, MTX_DEF);
413 	mtx_init(&pdata->mdio_mutex, "xgbe MDIO mutex lock", NULL, MTX_SPIN);
414 
415 	/* Allocate VLAN bitmap */
416 	pdata->active_vlans = bit_alloc(VLAN_NVID, M_AXGBE, M_WAITOK|M_ZERO);
417 	pdata->num_active_vlans = 0;
418 
419 	/* Get the version data */
420 	DBGPR("%s: Device ID: 0x%x\n", __func__, pci_get_device(dev));
421 	if (pci_get_device(dev) == 0x1458)
422 		sc->pdata.vdata = &xgbe_v2a;
423 	else if (pci_get_device(dev) == 0x1459)
424 		sc->pdata.vdata = &xgbe_v2b;
425 
426 	/* PCI setup */
427         if (bus_alloc_resources(dev, axgbe_pci_mac_spec, mac_res)) {
428 		axgbe_error("Unable to allocate bus resources\n");
429 		ret = ENXIO;
430 		goto free_vlans;
431 	}
432 
433         sc->pdata.xgmac_res = mac_res[0];
434         sc->pdata.xpcs_res = mac_res[1];
435 
436         /* Set the PCS indirect addressing definition registers*/
437 	pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
438 	pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
439 
440         /* Configure the PCS indirect addressing support */
441 	reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg);
442 	pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET);
443 	pdata->xpcs_window <<= 6;
444 	pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE);
445 	pdata->xpcs_window_size = 1 << (pdata->xpcs_window_size + 7);
446 	pdata->xpcs_window_mask = pdata->xpcs_window_size - 1;
447 	DBGPR("xpcs window def : %#010x\n",
448 	    pdata->xpcs_window_def_reg);
449 	DBGPR("xpcs window sel : %#010x\n",
450 	    pdata->xpcs_window_sel_reg);
451         DBGPR("xpcs window : %#010x\n",
452 	    pdata->xpcs_window);
453 	DBGPR("xpcs window size : %#010x\n",
454 	    pdata->xpcs_window_size);
455 	DBGPR("xpcs window mask : %#010x\n",
456 	    pdata->xpcs_window_mask);
457 
458 	/* Enable all interrupts in the hardware */
459         XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
460 
461 	/* Retrieve the MAC address */
462 	ma_lo = XP_IOREAD(pdata, XP_MAC_ADDR_LO);
463 	ma_hi = XP_IOREAD(pdata, XP_MAC_ADDR_HI);
464 	pdata->mac_addr[0] = ma_lo & 0xff;
465 	pdata->mac_addr[1] = (ma_lo >> 8) & 0xff;
466 	pdata->mac_addr[2] = (ma_lo >>16) & 0xff;
467 	pdata->mac_addr[3] = (ma_lo >> 24) & 0xff;
468 	pdata->mac_addr[4] = ma_hi & 0xff;
469 	pdata->mac_addr[5] = (ma_hi >> 8) & 0xff;
470 	if (!XP_GET_BITS(ma_hi, XP_MAC_ADDR_HI, VALID)) {
471 		axgbe_error("Invalid mac address\n");
472 		ret = EINVAL;
473 		goto release_bus_resource;
474 	}
475 	iflib_set_mac(ctx, pdata->mac_addr);
476 
477 	/* Clock settings */
478 	pdata->sysclk_rate = XGBE_V2_DMA_CLOCK_FREQ;
479 	pdata->ptpclk_rate = XGBE_V2_PTP_CLOCK_FREQ;
480 
481 	/* Set the DMA coherency values */
482 	pdata->coherent = 1;
483 	pdata->arcr = XGBE_DMA_PCI_ARCR;
484 	pdata->awcr = XGBE_DMA_PCI_AWCR;
485 	pdata->awarcr = XGBE_DMA_PCI_AWARCR;
486 
487 	/* Read the port property registers */
488 	pdata->pp0 = XP_IOREAD(pdata, XP_PROP_0);
489 	pdata->pp1 = XP_IOREAD(pdata, XP_PROP_1);
490 	pdata->pp2 = XP_IOREAD(pdata, XP_PROP_2);
491 	pdata->pp3 = XP_IOREAD(pdata, XP_PROP_3);
492 	pdata->pp4 = XP_IOREAD(pdata, XP_PROP_4);
493 	DBGPR("port property 0 = %#010x\n", pdata->pp0);
494 	DBGPR("port property 1 = %#010x\n", pdata->pp1);
495 	DBGPR("port property 2 = %#010x\n", pdata->pp2);
496 	DBGPR("port property 3 = %#010x\n", pdata->pp3);
497 	DBGPR("port property 4 = %#010x\n", pdata->pp4);
498 
499 	/* Set the maximum channels and queues */
500 	pdata->tx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
501 	    MAX_TX_DMA);
502 	pdata->rx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
503 	    MAX_RX_DMA);
504 	pdata->tx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
505 	    MAX_TX_QUEUES);
506 	pdata->rx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
507 	    MAX_RX_QUEUES);
508 	DBGPR("max tx/rx channel count = %u/%u\n",
509 	    pdata->tx_max_channel_count, pdata->rx_max_channel_count);
510 	DBGPR("max tx/rx hw queue count = %u/%u\n",
511 	    pdata->tx_max_q_count, pdata->rx_max_q_count);
512 
513 	axgbe_set_counts(ctx);
514 
515 	/* Set the maximum fifo amounts */
516         pdata->tx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
517                                               TX_FIFO_SIZE);
518         pdata->tx_max_fifo_size *= 16384;
519         pdata->tx_max_fifo_size = min(pdata->tx_max_fifo_size,
520                                       pdata->vdata->tx_max_fifo_size);
521         pdata->rx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
522                                               RX_FIFO_SIZE);
523         pdata->rx_max_fifo_size *= 16384;
524         pdata->rx_max_fifo_size = min(pdata->rx_max_fifo_size,
525                                       pdata->vdata->rx_max_fifo_size);
526 	DBGPR("max tx/rx max fifo size = %u/%u\n",
527 	    pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
528 
529 	/* Initialize IFLIB if_softc_ctx_t */
530 	axgbe_init_iflib_softc_ctx(sc);
531 
532 	/* Alloc channels */
533 	if (axgbe_alloc_channels(ctx)) {
534 		axgbe_error("Unable to allocate channel memory\n");
535 		ret = ENOMEM;
536 		goto release_bus_resource;
537         }
538 
539 	TASK_INIT(&pdata->service_work, 0, xgbe_service, pdata);
540 
541 	/* create the workqueue */
542 	pdata->dev_workqueue = taskqueue_create("axgbe", M_WAITOK,
543 	    taskqueue_thread_enqueue, &pdata->dev_workqueue);
544 	if (pdata->dev_workqueue == NULL) {
545 		axgbe_error("Unable to allocate workqueue\n");
546 		ret = ENOMEM;
547 		goto free_channels;
548 	}
549 	ret = taskqueue_start_threads(&pdata->dev_workqueue, 1, PI_NET,
550 	    "axgbe dev taskq");
551 	if (ret) {
552 		axgbe_error("Unable to start taskqueue\n");
553 		ret = ENOMEM;
554 		goto free_task_queue;
555 	}
556 
557 	/* Init timers */
558 	xgbe_init_timers(pdata);
559 
560         return (0);
561 
562 free_task_queue:
563 	taskqueue_free(pdata->dev_workqueue);
564 
565 free_channels:
566 	axgbe_free_channels(sc);
567 
568 release_bus_resource:
569         bus_release_resources(dev, axgbe_pci_mac_spec, mac_res);
570 
571 free_vlans:
572 	free(pdata->active_vlans, M_AXGBE);
573 
574 	return (ret);
575 } /* axgbe_if_attach_pre */
576 
577 static void
578 xgbe_init_all_fptrs(struct xgbe_prv_data *pdata)
579 {
580 	xgbe_init_function_ptrs_dev(&pdata->hw_if);
581 	xgbe_init_function_ptrs_phy(&pdata->phy_if);
582         xgbe_init_function_ptrs_i2c(&pdata->i2c_if);
583 	xgbe_init_function_ptrs_desc(&pdata->desc_if);
584 
585         pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if);
586 }
587 
588 static void
589 axgbe_set_counts(if_ctx_t ctx)
590 {
591 	struct axgbe_if_softc *sc = iflib_get_softc(ctx);
592 	struct xgbe_prv_data *pdata = &sc->pdata;
593 	cpuset_t lcpus;
594 	int cpu_count, err;
595 	size_t len;
596 
597 	/* Set all function pointers */
598 	xgbe_init_all_fptrs(pdata);
599 
600 	/* Populate the hardware features */
601 	xgbe_get_all_hw_features(pdata);
602 
603 	if (!pdata->tx_max_channel_count)
604 		pdata->tx_max_channel_count = pdata->hw_feat.tx_ch_cnt;
605 	if (!pdata->rx_max_channel_count)
606 		pdata->rx_max_channel_count = pdata->hw_feat.rx_ch_cnt;
607 
608 	if (!pdata->tx_max_q_count)
609 		pdata->tx_max_q_count = pdata->hw_feat.tx_q_cnt;
610 	if (!pdata->rx_max_q_count)
611 		pdata->rx_max_q_count = pdata->hw_feat.rx_q_cnt;
612 
613 	/*
614 	 * Calculate the number of Tx and Rx rings to be created
615 	 *  -Tx (DMA) Channels map 1-to-1 to Tx Queues so set
616 	 *   the number of Tx queues to the number of Tx channels
617 	 *   enabled
618 	 *  -Rx (DMA) Channels do not map 1-to-1 so use the actual
619 	 *   number of Rx queues or maximum allowed
620 	 */
621 
622 	/* Get cpu count from sysctl */
623 	len = sizeof(cpu_count);
624 	err = kernel_sysctlbyname(curthread, "hw.ncpu", &cpu_count, &len, NULL,
625 	    0, NULL, 0);
626 	if (err) {
627 		axgbe_error("Unable to fetch number of cpus\n");
628 		cpu_count = 1;
629 	}
630 
631 	if (bus_get_cpus(pdata->dev, INTR_CPUS, sizeof(lcpus), &lcpus) != 0) {
632                 axgbe_error("Unable to fetch CPU list\n");
633                 /* TODO - handle CPU_COPY(&all_cpus, &lcpus); */
634         }
635 
636 	DBGPR("ncpu %d intrcpu %d\n", cpu_count, CPU_COUNT(&lcpus));
637 
638 	pdata->tx_ring_count = min(CPU_COUNT(&lcpus), pdata->hw_feat.tx_ch_cnt);
639 	pdata->tx_ring_count = min(pdata->tx_ring_count,
640 	    pdata->tx_max_channel_count);
641 	pdata->tx_ring_count = min(pdata->tx_ring_count, pdata->tx_max_q_count);
642 
643 	pdata->tx_q_count = pdata->tx_ring_count;
644 
645 	pdata->rx_ring_count = min(CPU_COUNT(&lcpus), pdata->hw_feat.rx_ch_cnt);
646 	pdata->rx_ring_count = min(pdata->rx_ring_count,
647 	    pdata->rx_max_channel_count);
648 
649 	pdata->rx_q_count = min(pdata->hw_feat.rx_q_cnt, pdata->rx_max_q_count);
650 
651 	DBGPR("TX/RX max channel count = %u/%u\n",
652 	    pdata->tx_max_channel_count, pdata->rx_max_channel_count);
653 	DBGPR("TX/RX max queue count = %u/%u\n",
654 	    pdata->tx_max_q_count, pdata->rx_max_q_count);
655 	DBGPR("TX/RX DMA ring count = %u/%u\n",
656 	    pdata->tx_ring_count, pdata->rx_ring_count);
657 	DBGPR("TX/RX hardware queue count = %u/%u\n",
658 	    pdata->tx_q_count, pdata->rx_q_count);
659 } /* axgbe_set_counts */
660 
661 static void
662 axgbe_init_iflib_softc_ctx(struct axgbe_if_softc *sc)
663 {
664 	struct xgbe_prv_data *pdata = &sc->pdata;
665 	if_softc_ctx_t scctx = sc->scctx;
666 	if_shared_ctx_t sctx = sc->sctx;
667 	int i;
668 
669 	scctx->isc_nrxqsets = pdata->rx_q_count;
670 	scctx->isc_ntxqsets = pdata->tx_q_count;
671 	scctx->isc_msix_bar = pci_msix_table_bar(pdata->dev);
672 	scctx->isc_tx_nsegments = 32;
673 
674 	for (i = 0; i < sctx->isc_ntxqs; i++) {
675 		scctx->isc_txqsizes[i] =
676 		    roundup2(scctx->isc_ntxd[i] * sizeof(struct xgbe_ring_desc),
677 		    128);
678 		scctx->isc_txd_size[i] = sizeof(struct xgbe_ring_desc);
679 	}
680 
681 	for (i = 0; i < sctx->isc_nrxqs; i++) {
682 		scctx->isc_rxqsizes[i] =
683 		    roundup2(scctx->isc_nrxd[i] * sizeof(struct xgbe_ring_desc),
684 		    128);
685 		scctx->isc_rxd_size[i] = sizeof(struct xgbe_ring_desc);
686 	}
687 
688 	scctx->isc_tx_tso_segments_max = 32;
689 	scctx->isc_tx_tso_size_max = XGBE_TSO_MAX_SIZE;
690 	scctx->isc_tx_tso_segsize_max = PAGE_SIZE;
691 
692 	/*
693 	 * Set capabilities
694 	 * 1) IFLIB automatically adds IFCAP_HWSTATS, so need to set explicitly
695 	 * 2) isc_tx_csum_flags is mandatory if IFCAP_TXCSUM (included in
696 	 *    IFCAP_HWCSUM) is set
697 	 */
698 	scctx->isc_tx_csum_flags = (CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_SCTP |
699 	    CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_SCTP_IPV6 |
700 	    CSUM_TSO);
701 	scctx->isc_capenable = (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 |
702 	    IFCAP_JUMBO_MTU |
703 	    IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWFILTER |
704 	    IFCAP_VLAN_HWCSUM |
705 	    IFCAP_TSO | IFCAP_VLAN_HWTSO);
706 	scctx->isc_capabilities = scctx->isc_capenable;
707 
708 	/*
709 	 * Set rss_table_size alone when adding RSS support. rss_table_mask
710 	 * will be set by IFLIB based on rss_table_size
711 	 */
712 	scctx->isc_rss_table_size = XGBE_RSS_MAX_TABLE_SIZE;
713 
714 	scctx->isc_ntxqsets_max = XGBE_MAX_QUEUES;
715 	scctx->isc_nrxqsets_max = XGBE_MAX_QUEUES;
716 
717 	scctx->isc_txrx = &axgbe_txrx;
718 }
719 
720 static int
721 axgbe_alloc_channels(if_ctx_t ctx)
722 {
723 	struct axgbe_if_softc 	*sc = iflib_get_softc(ctx);
724 	struct xgbe_prv_data	*pdata = &sc->pdata;
725 	struct xgbe_channel	*channel;
726 	int i, j, count;
727 
728 	DBGPR("%s: txqs %d rxqs %d\n", __func__, pdata->tx_ring_count,
729 	    pdata->rx_ring_count);
730 
731 	/* Iflibe sets based on isc_ntxqsets/nrxqsets */
732 	count = max_t(unsigned int, pdata->tx_ring_count, pdata->rx_ring_count);
733 
734 	/* Allocate channel memory */
735 	for (i = 0; i < count ; i++) {
736 		channel = (struct xgbe_channel*)malloc(sizeof(struct xgbe_channel),
737 		    M_AXGBE, M_NOWAIT | M_ZERO);
738 
739 		if (channel == NULL) {
740 			for (j = 0; j < i; j++) {
741 				free(pdata->channel[j], M_AXGBE);
742 				pdata->channel[j] = NULL;
743 			}
744 			return (ENOMEM);
745 		}
746 
747 		pdata->channel[i] = channel;
748 	}
749 
750 	pdata->total_channel_count = count;
751 	DBGPR("Channel count set to: %u\n", pdata->total_channel_count);
752 
753 	for (i = 0; i < count; i++) {
754 
755 		channel = pdata->channel[i];
756 		snprintf(channel->name, sizeof(channel->name), "channel-%d",i);
757 
758 		channel->pdata = pdata;
759 		channel->queue_index = i;
760 		channel->dma_tag = rman_get_bustag(pdata->xgmac_res);
761 		bus_space_subregion(channel->dma_tag,
762 		    rman_get_bushandle(pdata->xgmac_res),
763 		    DMA_CH_BASE + (DMA_CH_INC * i), DMA_CH_INC,
764 		    &channel->dma_handle);
765 		channel->tx_ring = NULL;
766 		channel->rx_ring = NULL;
767 	}
768 
769 	return (0);
770 } /* axgbe_alloc_channels */
771 
772 static void
773 axgbe_free_channels(struct axgbe_if_softc *sc)
774 {
775 	struct xgbe_prv_data	*pdata = &sc->pdata;
776 	int i;
777 
778 	for (i = 0; i < pdata->total_channel_count ; i++) {
779 		free(pdata->channel[i], M_AXGBE);
780 		pdata->channel[i] = NULL;
781 	}
782 
783 	pdata->total_channel_count = 0;
784 	pdata->channel_count = 0;
785 }
786 
787 static void
788 xgbe_service(void *ctx, int pending)
789 {
790         struct xgbe_prv_data *pdata = ctx;
791 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)pdata;
792 	bool prev_state = false;
793 
794 	/* Get previous link status */
795 	prev_state = pdata->phy.link;
796 
797         pdata->phy_if.phy_status(pdata);
798 
799 	if (prev_state != pdata->phy.link) {
800 		pdata->phy_link = pdata->phy.link;
801 		axgbe_if_update_admin_status(sc->ctx);
802 	}
803 
804         callout_reset(&pdata->service_timer, 1*hz, xgbe_service_timer, pdata);
805 }
806 
807 static void
808 xgbe_service_timer(void *data)
809 {
810         struct xgbe_prv_data *pdata = data;
811 
812         taskqueue_enqueue(pdata->dev_workqueue, &pdata->service_work);
813 }
814 
815 static void
816 xgbe_init_timers(struct xgbe_prv_data *pdata)
817 {
818         callout_init(&pdata->service_timer, 1);
819 }
820 
821 static void
822 xgbe_start_timers(struct xgbe_prv_data *pdata)
823 {
824 	callout_reset(&pdata->service_timer, 1*hz, xgbe_service_timer, pdata);
825 }
826 
827 static void
828 xgbe_stop_timers(struct xgbe_prv_data *pdata)
829 {
830         callout_drain(&pdata->service_timer);
831         callout_stop(&pdata->service_timer);
832 }
833 
834 static void
835 xgbe_dump_phy_registers(struct xgbe_prv_data *pdata)
836 {
837         axgbe_printf(1, "\n************* PHY Reg dump *********************\n");
838 
839         axgbe_printf(1, "PCS Control Reg (%#06x) = %#06x\n", MDIO_CTRL1,
840             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1));
841         axgbe_printf(1, "PCS Status Reg (%#06x) = %#06x\n", MDIO_STAT1,
842             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1));
843         axgbe_printf(1, "Phy Id (PHYS ID 1 %#06x)= %#06x\n", MDIO_DEVID1,
844             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID1));
845         axgbe_printf(1, "Phy Id (PHYS ID 2 %#06x)= %#06x\n", MDIO_DEVID2,
846             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID2));
847         axgbe_printf(1, "Devices in Package (%#06x)= %#06x\n", MDIO_DEVS1,
848             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS1));
849         axgbe_printf(1, "Devices in Package (%#06x)= %#06x\n", MDIO_DEVS2,
850             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS2));
851         axgbe_printf(1, "Auto-Neg Control Reg (%#06x) = %#06x\n", MDIO_CTRL1,
852             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1));
853         axgbe_printf(1, "Auto-Neg Status Reg (%#06x) = %#06x\n", MDIO_STAT1,
854             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_STAT1));
855         axgbe_printf(1, "Auto-Neg Ad Reg 1 (%#06x) = %#06x\n",
856             MDIO_AN_ADVERTISE,
857             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE));
858         axgbe_printf(1, "Auto-Neg Ad Reg 2 (%#06x) = %#06x\n",
859             MDIO_AN_ADVERTISE + 1,
860             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1));
861         axgbe_printf(1, "Auto-Neg Ad Reg 3 (%#06x) = %#06x\n",
862             MDIO_AN_ADVERTISE + 2,
863             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2));
864         axgbe_printf(1, "Auto-Neg Completion Reg (%#06x) = %#06x\n",
865             MDIO_AN_COMP_STAT,
866             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_COMP_STAT));
867 
868         axgbe_printf(1, "\n************************************************\n");
869 }
870 
871 static void
872 xgbe_dump_prop_registers(struct xgbe_prv_data *pdata)
873 {
874 	int i;
875 
876         axgbe_printf(1, "\n************* PROP Reg dump ********************\n");
877 
878 	for (i = 0 ; i < 38 ; i++) {
879 		axgbe_printf(1, "PROP Offset 0x%08x = %08x\n",
880 		    (XP_PROP_0 + (i * 4)), XP_IOREAD(pdata,
881 		    (XP_PROP_0 + (i * 4))));
882 	}
883 }
884 
885 static void
886 xgbe_dump_dma_registers(struct xgbe_prv_data *pdata, int ch)
887 {
888 	struct xgbe_channel     *channel;
889 	int i;
890 
891         axgbe_printf(1, "\n************* DMA Reg dump *********************\n");
892 
893         axgbe_printf(1, "DMA MR Reg (%08x) = %08x\n", DMA_MR,
894            XGMAC_IOREAD(pdata, DMA_MR));
895         axgbe_printf(1, "DMA SBMR Reg (%08x) = %08x\n", DMA_SBMR,
896            XGMAC_IOREAD(pdata, DMA_SBMR));
897         axgbe_printf(1, "DMA ISR Reg (%08x) = %08x\n", DMA_ISR,
898            XGMAC_IOREAD(pdata, DMA_ISR));
899         axgbe_printf(1, "DMA AXIARCR Reg (%08x) = %08x\n", DMA_AXIARCR,
900            XGMAC_IOREAD(pdata, DMA_AXIARCR));
901         axgbe_printf(1, "DMA AXIAWCR Reg (%08x) = %08x\n", DMA_AXIAWCR,
902            XGMAC_IOREAD(pdata, DMA_AXIAWCR));
903         axgbe_printf(1, "DMA AXIAWARCR Reg (%08x) = %08x\n", DMA_AXIAWARCR,
904            XGMAC_IOREAD(pdata, DMA_AXIAWARCR));
905         axgbe_printf(1, "DMA DSR0 Reg (%08x) = %08x\n", DMA_DSR0,
906            XGMAC_IOREAD(pdata, DMA_DSR0));
907         axgbe_printf(1, "DMA DSR1 Reg (%08x) = %08x\n", DMA_DSR1,
908            XGMAC_IOREAD(pdata, DMA_DSR1));
909         axgbe_printf(1, "DMA DSR2 Reg (%08x) = %08x\n", DMA_DSR2,
910            XGMAC_IOREAD(pdata, DMA_DSR2));
911         axgbe_printf(1, "DMA DSR3 Reg (%08x) = %08x\n", DMA_DSR3,
912            XGMAC_IOREAD(pdata, DMA_DSR3));
913         axgbe_printf(1, "DMA DSR4 Reg (%08x) = %08x\n", DMA_DSR4,
914            XGMAC_IOREAD(pdata, DMA_DSR4));
915         axgbe_printf(1, "DMA TXEDMACR Reg (%08x) = %08x\n", DMA_TXEDMACR,
916            XGMAC_IOREAD(pdata, DMA_TXEDMACR));
917         axgbe_printf(1, "DMA RXEDMACR Reg (%08x) = %08x\n", DMA_RXEDMACR,
918            XGMAC_IOREAD(pdata, DMA_RXEDMACR));
919 
920 	for (i = 0 ; i < 8 ; i++ ) {
921 
922 		if (ch >= 0) {
923 			if (i != ch)
924 				continue;
925 		}
926 
927 		channel = pdata->channel[i];
928 
929         	axgbe_printf(1, "\n************* DMA CH %d dump ****************\n", i);
930 
931         	axgbe_printf(1, "DMA_CH_CR Reg (%08x) = %08x\n",
932 		    DMA_CH_CR, XGMAC_DMA_IOREAD(channel, DMA_CH_CR));
933         	axgbe_printf(1, "DMA_CH_TCR Reg (%08x) = %08x\n",
934 		    DMA_CH_TCR, XGMAC_DMA_IOREAD(channel, DMA_CH_TCR));
935         	axgbe_printf(1, "DMA_CH_RCR Reg (%08x) = %08x\n",
936 		    DMA_CH_RCR, XGMAC_DMA_IOREAD(channel, DMA_CH_RCR));
937         	axgbe_printf(1, "DMA_CH_TDLR_HI Reg (%08x) = %08x\n",
938 		    DMA_CH_TDLR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_TDLR_HI));
939         	axgbe_printf(1, "DMA_CH_TDLR_LO Reg (%08x) = %08x\n",
940 		    DMA_CH_TDLR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDLR_LO));
941         	axgbe_printf(1, "DMA_CH_RDLR_HI Reg (%08x) = %08x\n",
942 		    DMA_CH_RDLR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_RDLR_HI));
943         	axgbe_printf(1, "DMA_CH_RDLR_LO Reg (%08x) = %08x\n",
944 		    DMA_CH_RDLR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDLR_LO));
945         	axgbe_printf(1, "DMA_CH_TDTR_LO Reg (%08x) = %08x\n",
946 		    DMA_CH_TDTR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDTR_LO));
947         	axgbe_printf(1, "DMA_CH_RDTR_LO Reg (%08x) = %08x\n",
948 		    DMA_CH_RDTR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDTR_LO));
949         	axgbe_printf(1, "DMA_CH_TDRLR Reg (%08x) = %08x\n",
950 		    DMA_CH_TDRLR, XGMAC_DMA_IOREAD(channel, DMA_CH_TDRLR));
951         	axgbe_printf(1, "DMA_CH_RDRLR Reg (%08x) = %08x\n",
952 		    DMA_CH_RDRLR, XGMAC_DMA_IOREAD(channel, DMA_CH_RDRLR));
953         	axgbe_printf(1, "DMA_CH_IER Reg (%08x) = %08x\n",
954 		    DMA_CH_IER, XGMAC_DMA_IOREAD(channel, DMA_CH_IER));
955         	axgbe_printf(1, "DMA_CH_RIWT Reg (%08x) = %08x\n",
956 		    DMA_CH_RIWT, XGMAC_DMA_IOREAD(channel, DMA_CH_RIWT));
957         	axgbe_printf(1, "DMA_CH_CATDR_LO Reg (%08x) = %08x\n",
958 		    DMA_CH_CATDR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CATDR_LO));
959         	axgbe_printf(1, "DMA_CH_CARDR_LO Reg (%08x) = %08x\n",
960 		    DMA_CH_CARDR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CARDR_LO));
961         	axgbe_printf(1, "DMA_CH_CATBR_HI Reg (%08x) = %08x\n",
962 		    DMA_CH_CATBR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_CATBR_HI));
963         	axgbe_printf(1, "DMA_CH_CATBR_LO Reg (%08x) = %08x\n",
964 		    DMA_CH_CATBR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CATBR_LO));
965         	axgbe_printf(1, "DMA_CH_CARBR_HI Reg (%08x) = %08x\n",
966 		    DMA_CH_CARBR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_CARBR_HI));
967         	axgbe_printf(1, "DMA_CH_CARBR_LO Reg (%08x) = %08x\n",
968 		    DMA_CH_CARBR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CARBR_LO));
969         	axgbe_printf(1, "DMA_CH_SR Reg (%08x) = %08x\n",
970 		    DMA_CH_SR, XGMAC_DMA_IOREAD(channel, DMA_CH_SR));
971         	axgbe_printf(1, "DMA_CH_DSR Reg (%08x) = %08x\n",
972 		    DMA_CH_DSR,	XGMAC_DMA_IOREAD(channel, DMA_CH_DSR));
973         	axgbe_printf(1, "DMA_CH_DCFL Reg (%08x) = %08x\n",
974 		    DMA_CH_DCFL, XGMAC_DMA_IOREAD(channel, DMA_CH_DCFL));
975         	axgbe_printf(1, "DMA_CH_MFC Reg (%08x) = %08x\n",
976 		    DMA_CH_MFC, XGMAC_DMA_IOREAD(channel, DMA_CH_MFC));
977         	axgbe_printf(1, "DMA_CH_TDTRO Reg (%08x) = %08x\n",
978 		    DMA_CH_TDTRO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDTRO));
979         	axgbe_printf(1, "DMA_CH_RDTRO Reg (%08x) = %08x\n",
980 		    DMA_CH_RDTRO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDTRO));
981         	axgbe_printf(1, "DMA_CH_TDWRO Reg (%08x) = %08x\n",
982 		    DMA_CH_TDWRO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDWRO));
983         	axgbe_printf(1, "DMA_CH_RDWRO Reg (%08x) = %08x\n",
984 		    DMA_CH_RDWRO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDWRO));
985 	}
986 }
987 
988 static void
989 xgbe_dump_mtl_registers(struct xgbe_prv_data *pdata)
990 {
991 	int i;
992 
993         axgbe_printf(1, "\n************* MTL Reg dump *********************\n");
994 
995         axgbe_printf(1, "MTL OMR Reg (%08x) = %08x\n", MTL_OMR,
996            XGMAC_IOREAD(pdata, MTL_OMR));
997         axgbe_printf(1, "MTL FDCR Reg (%08x) = %08x\n", MTL_FDCR,
998            XGMAC_IOREAD(pdata, MTL_FDCR));
999         axgbe_printf(1, "MTL FDSR Reg (%08x) = %08x\n", MTL_FDSR,
1000            XGMAC_IOREAD(pdata, MTL_FDSR));
1001         axgbe_printf(1, "MTL FDDR Reg (%08x) = %08x\n", MTL_FDDR,
1002            XGMAC_IOREAD(pdata, MTL_FDDR));
1003         axgbe_printf(1, "MTL ISR Reg (%08x) = %08x\n", MTL_ISR,
1004            XGMAC_IOREAD(pdata, MTL_ISR));
1005         axgbe_printf(1, "MTL RQDCM0R Reg (%08x) = %08x\n", MTL_RQDCM0R,
1006            XGMAC_IOREAD(pdata, MTL_RQDCM0R));
1007         axgbe_printf(1, "MTL RQDCM1R Reg (%08x) = %08x\n", MTL_RQDCM1R,
1008            XGMAC_IOREAD(pdata, MTL_RQDCM1R));
1009         axgbe_printf(1, "MTL RQDCM2R Reg (%08x) = %08x\n", MTL_RQDCM2R,
1010            XGMAC_IOREAD(pdata, MTL_RQDCM2R));
1011         axgbe_printf(1, "MTL TCPM0R Reg (%08x) = %08x\n", MTL_TCPM0R,
1012            XGMAC_IOREAD(pdata, MTL_TCPM0R));
1013         axgbe_printf(1, "MTL TCPM1R Reg (%08x) = %08x\n", MTL_TCPM1R,
1014            XGMAC_IOREAD(pdata, MTL_TCPM1R));
1015 
1016 	for (i = 0 ; i < 8 ; i++ ) {
1017 
1018         	axgbe_printf(1, "\n************* MTL CH %d dump ****************\n", i);
1019 
1020         	axgbe_printf(1, "MTL_Q_TQOMR Reg (%08x) = %08x\n",
1021 		    MTL_Q_TQOMR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQOMR));
1022         	axgbe_printf(1, "MTL_Q_TQUR Reg (%08x) = %08x\n",
1023 		    MTL_Q_TQUR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQUR));
1024         	axgbe_printf(1, "MTL_Q_TQDR Reg (%08x) = %08x\n",
1025 		    MTL_Q_TQDR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQDR));
1026         	axgbe_printf(1, "MTL_Q_TC0ETSCR Reg (%08x) = %08x\n",
1027 		    MTL_Q_TC0ETSCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0ETSCR));
1028         	axgbe_printf(1, "MTL_Q_TC0ETSSR Reg (%08x) = %08x\n",
1029 		    MTL_Q_TC0ETSSR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0ETSSR));
1030         	axgbe_printf(1, "MTL_Q_TC0QWR Reg (%08x) = %08x\n",
1031 		    MTL_Q_TC0QWR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0QWR));
1032 
1033         	axgbe_printf(1, "MTL_Q_RQOMR Reg (%08x) = %08x\n",
1034 		    MTL_Q_RQOMR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQOMR));
1035         	axgbe_printf(1, "MTL_Q_RQMPOCR Reg (%08x) = %08x\n",
1036 		    MTL_Q_RQMPOCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQMPOCR));
1037         	axgbe_printf(1, "MTL_Q_RQDR Reg (%08x) = %08x\n",
1038 		    MTL_Q_RQDR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQDR));
1039         	axgbe_printf(1, "MTL_Q_RQCR Reg (%08x) = %08x\n",
1040 		    MTL_Q_RQCR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQCR));
1041         	axgbe_printf(1, "MTL_Q_RQFCR Reg (%08x) = %08x\n",
1042 		    MTL_Q_RQFCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQFCR));
1043         	axgbe_printf(1, "MTL_Q_IER Reg (%08x) = %08x\n",
1044 		    MTL_Q_IER, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_IER));
1045         	axgbe_printf(1, "MTL_Q_ISR Reg (%08x) = %08x\n",
1046 		    MTL_Q_ISR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_ISR));
1047 	}
1048 }
1049 
1050 static void
1051 xgbe_dump_mac_registers(struct xgbe_prv_data *pdata)
1052 {
1053         axgbe_printf(1, "\n************* MAC Reg dump **********************\n");
1054 
1055         axgbe_printf(1, "MAC TCR Reg (%08x) = %08x\n", MAC_TCR,
1056            XGMAC_IOREAD(pdata, MAC_TCR));
1057         axgbe_printf(1, "MAC RCR Reg (%08x) = %08x\n", MAC_RCR,
1058            XGMAC_IOREAD(pdata, MAC_RCR));
1059         axgbe_printf(1, "MAC PFR Reg (%08x) = %08x\n", MAC_PFR,
1060            XGMAC_IOREAD(pdata, MAC_PFR));
1061         axgbe_printf(1, "MAC WTR Reg (%08x) = %08x\n", MAC_WTR,
1062            XGMAC_IOREAD(pdata, MAC_WTR));
1063         axgbe_printf(1, "MAC HTR0 Reg (%08x) = %08x\n", MAC_HTR0,
1064            XGMAC_IOREAD(pdata, MAC_HTR0));
1065         axgbe_printf(1, "MAC HTR1 Reg (%08x) = %08x\n", MAC_HTR1,
1066            XGMAC_IOREAD(pdata, MAC_HTR1));
1067         axgbe_printf(1, "MAC HTR2 Reg (%08x) = %08x\n", MAC_HTR2,
1068            XGMAC_IOREAD(pdata, MAC_HTR2));
1069         axgbe_printf(1, "MAC HTR3 Reg (%08x) = %08x\n", MAC_HTR3,
1070            XGMAC_IOREAD(pdata, MAC_HTR3));
1071         axgbe_printf(1, "MAC HTR4 Reg (%08x) = %08x\n", MAC_HTR4,
1072            XGMAC_IOREAD(pdata, MAC_HTR4));
1073         axgbe_printf(1, "MAC HTR5 Reg (%08x) = %08x\n", MAC_HTR5,
1074            XGMAC_IOREAD(pdata, MAC_HTR5));
1075         axgbe_printf(1, "MAC HTR6 Reg (%08x) = %08x\n", MAC_HTR6,
1076            XGMAC_IOREAD(pdata, MAC_HTR6));
1077         axgbe_printf(1, "MAC HTR7 Reg (%08x) = %08x\n", MAC_HTR7,
1078            XGMAC_IOREAD(pdata, MAC_HTR7));
1079         axgbe_printf(1, "MAC VLANTR Reg (%08x) = %08x\n", MAC_VLANTR,
1080            XGMAC_IOREAD(pdata, MAC_VLANTR));
1081         axgbe_printf(1, "MAC VLANHTR Reg (%08x) = %08x\n", MAC_VLANHTR,
1082            XGMAC_IOREAD(pdata, MAC_VLANHTR));
1083         axgbe_printf(1, "MAC VLANIR Reg (%08x) = %08x\n", MAC_VLANIR,
1084            XGMAC_IOREAD(pdata, MAC_VLANIR));
1085         axgbe_printf(1, "MAC IVLANIR Reg (%08x) = %08x\n", MAC_IVLANIR,
1086            XGMAC_IOREAD(pdata, MAC_IVLANIR));
1087         axgbe_printf(1, "MAC RETMR Reg (%08x) = %08x\n", MAC_RETMR,
1088            XGMAC_IOREAD(pdata, MAC_RETMR));
1089         axgbe_printf(1, "MAC Q0TFCR Reg (%08x) = %08x\n", MAC_Q0TFCR,
1090            XGMAC_IOREAD(pdata, MAC_Q0TFCR));
1091         axgbe_printf(1, "MAC Q1TFCR Reg (%08x) = %08x\n", MAC_Q1TFCR,
1092            XGMAC_IOREAD(pdata, MAC_Q1TFCR));
1093         axgbe_printf(1, "MAC Q2TFCR Reg (%08x) = %08x\n", MAC_Q2TFCR,
1094            XGMAC_IOREAD(pdata, MAC_Q2TFCR));
1095         axgbe_printf(1, "MAC Q3TFCR Reg (%08x) = %08x\n", MAC_Q3TFCR,
1096            XGMAC_IOREAD(pdata, MAC_Q3TFCR));
1097         axgbe_printf(1, "MAC Q4TFCR Reg (%08x) = %08x\n", MAC_Q4TFCR,
1098            XGMAC_IOREAD(pdata, MAC_Q4TFCR));
1099         axgbe_printf(1, "MAC Q5TFCR Reg (%08x) = %08x\n", MAC_Q5TFCR,
1100            XGMAC_IOREAD(pdata, MAC_Q5TFCR));
1101         axgbe_printf(1, "MAC Q6TFCR Reg (%08x) = %08x\n", MAC_Q6TFCR,
1102            XGMAC_IOREAD(pdata, MAC_Q6TFCR));
1103         axgbe_printf(1, "MAC Q7TFCR Reg (%08x) = %08x\n", MAC_Q7TFCR,
1104            XGMAC_IOREAD(pdata, MAC_Q7TFCR));
1105         axgbe_printf(1, "MAC RFCR Reg (%08x) = %08x\n", MAC_RFCR,
1106            XGMAC_IOREAD(pdata, MAC_RFCR));
1107         axgbe_printf(1, "MAC RQC0R Reg (%08x) = %08x\n", MAC_RQC0R,
1108            XGMAC_IOREAD(pdata, MAC_RQC0R));
1109         axgbe_printf(1, "MAC RQC1R Reg (%08x) = %08x\n", MAC_RQC1R,
1110            XGMAC_IOREAD(pdata, MAC_RQC1R));
1111         axgbe_printf(1, "MAC RQC2R Reg (%08x) = %08x\n", MAC_RQC2R,
1112            XGMAC_IOREAD(pdata, MAC_RQC2R));
1113         axgbe_printf(1, "MAC RQC3R Reg (%08x) = %08x\n", MAC_RQC3R,
1114            XGMAC_IOREAD(pdata, MAC_RQC3R));
1115         axgbe_printf(1, "MAC ISR Reg (%08x) = %08x\n", MAC_ISR,
1116            XGMAC_IOREAD(pdata, MAC_ISR));
1117         axgbe_printf(1, "MAC IER Reg (%08x) = %08x\n", MAC_IER,
1118            XGMAC_IOREAD(pdata, MAC_IER));
1119         axgbe_printf(1, "MAC RTSR Reg (%08x) = %08x\n", MAC_RTSR,
1120            XGMAC_IOREAD(pdata, MAC_RTSR));
1121         axgbe_printf(1, "MAC PMTCSR Reg (%08x) = %08x\n", MAC_PMTCSR,
1122            XGMAC_IOREAD(pdata, MAC_PMTCSR));
1123         axgbe_printf(1, "MAC RWKPFR Reg (%08x) = %08x\n", MAC_RWKPFR,
1124            XGMAC_IOREAD(pdata, MAC_RWKPFR));
1125         axgbe_printf(1, "MAC LPICSR Reg (%08x) = %08x\n", MAC_LPICSR,
1126            XGMAC_IOREAD(pdata, MAC_LPICSR));
1127         axgbe_printf(1, "MAC LPITCR Reg (%08x) = %08x\n", MAC_LPITCR,
1128            XGMAC_IOREAD(pdata, MAC_LPITCR));
1129         axgbe_printf(1, "MAC TIR Reg (%08x) = %08x\n", MAC_TIR,
1130            XGMAC_IOREAD(pdata, MAC_TIR));
1131         axgbe_printf(1, "MAC VR Reg (%08x) = %08x\n", MAC_VR,
1132            XGMAC_IOREAD(pdata, MAC_VR));
1133 	axgbe_printf(1, "MAC DR Reg (%08x) = %08x\n", MAC_DR,
1134            XGMAC_IOREAD(pdata, MAC_DR));
1135         axgbe_printf(1, "MAC HWF0R Reg (%08x) = %08x\n", MAC_HWF0R,
1136            XGMAC_IOREAD(pdata, MAC_HWF0R));
1137         axgbe_printf(1, "MAC HWF1R Reg (%08x) = %08x\n", MAC_HWF1R,
1138            XGMAC_IOREAD(pdata, MAC_HWF1R));
1139         axgbe_printf(1, "MAC HWF2R Reg (%08x) = %08x\n", MAC_HWF2R,
1140            XGMAC_IOREAD(pdata, MAC_HWF2R));
1141         axgbe_printf(1, "MAC MDIOSCAR Reg (%08x) = %08x\n", MAC_MDIOSCAR,
1142            XGMAC_IOREAD(pdata, MAC_MDIOSCAR));
1143         axgbe_printf(1, "MAC MDIOSCCDR Reg (%08x) = %08x\n", MAC_MDIOSCCDR,
1144            XGMAC_IOREAD(pdata, MAC_MDIOSCCDR));
1145         axgbe_printf(1, "MAC MDIOISR Reg (%08x) = %08x\n", MAC_MDIOISR,
1146            XGMAC_IOREAD(pdata, MAC_MDIOISR));
1147         axgbe_printf(1, "MAC MDIOIER Reg (%08x) = %08x\n", MAC_MDIOIER,
1148            XGMAC_IOREAD(pdata, MAC_MDIOIER));
1149         axgbe_printf(1, "MAC MDIOCL22R Reg (%08x) = %08x\n", MAC_MDIOCL22R,
1150            XGMAC_IOREAD(pdata, MAC_MDIOCL22R));
1151         axgbe_printf(1, "MAC GPIOCR Reg (%08x) = %08x\n", MAC_GPIOCR,
1152            XGMAC_IOREAD(pdata, MAC_GPIOCR));
1153         axgbe_printf(1, "MAC GPIOSR Reg (%08x) = %08x\n", MAC_GPIOSR,
1154            XGMAC_IOREAD(pdata, MAC_GPIOSR));
1155         axgbe_printf(1, "MAC MACA0HR Reg (%08x) = %08x\n", MAC_MACA0HR,
1156            XGMAC_IOREAD(pdata, MAC_MACA0HR));
1157         axgbe_printf(1, "MAC MACA0LR Reg (%08x) = %08x\n", MAC_TCR,
1158            XGMAC_IOREAD(pdata, MAC_MACA0LR));
1159         axgbe_printf(1, "MAC MACA1HR Reg (%08x) = %08x\n", MAC_MACA1HR,
1160            XGMAC_IOREAD(pdata, MAC_MACA1HR));
1161         axgbe_printf(1, "MAC MACA1LR Reg (%08x) = %08x\n", MAC_MACA1LR,
1162            XGMAC_IOREAD(pdata, MAC_MACA1LR));
1163         axgbe_printf(1, "MAC RSSCR Reg (%08x) = %08x\n", MAC_RSSCR,
1164            XGMAC_IOREAD(pdata, MAC_RSSCR));
1165         axgbe_printf(1, "MAC RSSDR Reg (%08x) = %08x\n", MAC_RSSDR,
1166            XGMAC_IOREAD(pdata, MAC_RSSDR));
1167         axgbe_printf(1, "MAC RSSAR Reg (%08x) = %08x\n", MAC_RSSAR,
1168            XGMAC_IOREAD(pdata, MAC_RSSAR));
1169         axgbe_printf(1, "MAC TSCR Reg (%08x) = %08x\n", MAC_TSCR,
1170            XGMAC_IOREAD(pdata, MAC_TSCR));
1171         axgbe_printf(1, "MAC SSIR Reg (%08x) = %08x\n", MAC_SSIR,
1172            XGMAC_IOREAD(pdata, MAC_SSIR));
1173         axgbe_printf(1, "MAC STSR Reg (%08x) = %08x\n", MAC_STSR,
1174            XGMAC_IOREAD(pdata, MAC_STSR));
1175         axgbe_printf(1, "MAC STNR Reg (%08x) = %08x\n", MAC_STNR,
1176            XGMAC_IOREAD(pdata, MAC_STNR));
1177         axgbe_printf(1, "MAC STSUR Reg (%08x) = %08x\n", MAC_STSUR,
1178            XGMAC_IOREAD(pdata, MAC_STSUR));
1179         axgbe_printf(1, "MAC STNUR Reg (%08x) = %08x\n", MAC_STNUR,
1180            XGMAC_IOREAD(pdata, MAC_STNUR));
1181         axgbe_printf(1, "MAC TSAR Reg (%08x) = %08x\n", MAC_TSAR,
1182            XGMAC_IOREAD(pdata, MAC_TSAR));
1183         axgbe_printf(1, "MAC TSSR Reg (%08x) = %08x\n", MAC_TSSR,
1184            XGMAC_IOREAD(pdata, MAC_TSSR));
1185         axgbe_printf(1, "MAC TXSNR Reg (%08x) = %08x\n", MAC_TXSNR,
1186            XGMAC_IOREAD(pdata, MAC_TXSNR));
1187 	 axgbe_printf(1, "MAC TXSSR Reg (%08x) = %08x\n", MAC_TXSSR,
1188            XGMAC_IOREAD(pdata, MAC_TXSSR));
1189 }
1190 
1191 static void
1192 xgbe_dump_rmon_counters(struct xgbe_prv_data *pdata)
1193 {
1194         struct xgbe_mmc_stats *stats = &pdata->mmc_stats;
1195 
1196         axgbe_printf(1, "\n************* RMON counters dump ***************\n");
1197 
1198         pdata->hw_if.read_mmc_stats(pdata);
1199 
1200         axgbe_printf(1, "rmon txoctetcount_gb (%08x) = %08lx\n",
1201 	    MMC_TXOCTETCOUNT_GB_LO, stats->txoctetcount_gb);
1202         axgbe_printf(1, "rmon txframecount_gb (%08x) = %08lx\n",
1203 	    MMC_TXFRAMECOUNT_GB_LO, stats->txframecount_gb);
1204         axgbe_printf(1, "rmon txbroadcastframes_g (%08x) = %08lx\n",
1205 	    MMC_TXBROADCASTFRAMES_G_LO, stats->txbroadcastframes_g);
1206         axgbe_printf(1, "rmon txmulticastframes_g (%08x) = %08lx\n",
1207 	    MMC_TXMULTICASTFRAMES_G_LO, stats->txmulticastframes_g);
1208         axgbe_printf(1, "rmon tx64octets_gb (%08x) = %08lx\n",
1209 	    MMC_TX64OCTETS_GB_LO, stats->tx64octets_gb);
1210         axgbe_printf(1, "rmon tx65to127octets_gb (%08x) = %08lx\n",
1211 	    MMC_TX65TO127OCTETS_GB_LO, stats->tx65to127octets_gb);
1212         axgbe_printf(1, "rmon tx128to255octets_gb (%08x) = %08lx\n",
1213 	    MMC_TX128TO255OCTETS_GB_LO, stats->tx128to255octets_gb);
1214         axgbe_printf(1, "rmon tx256to511octets_gb (%08x) = %08lx\n",
1215 	    MMC_TX256TO511OCTETS_GB_LO, stats->tx256to511octets_gb);
1216         axgbe_printf(1, "rmon tx512to1023octets_gb (%08x) = %08lx\n",
1217 	    MMC_TX512TO1023OCTETS_GB_LO, stats->tx512to1023octets_gb);
1218 	axgbe_printf(1, "rmon tx1024tomaxoctets_gb (%08x) = %08lx\n",
1219 	    MMC_TX1024TOMAXOCTETS_GB_LO, stats->tx1024tomaxoctets_gb);
1220         axgbe_printf(1, "rmon txunicastframes_gb (%08x) = %08lx\n",
1221 	    MMC_TXUNICASTFRAMES_GB_LO, stats->txunicastframes_gb);
1222         axgbe_printf(1, "rmon txmulticastframes_gb (%08x) = %08lx\n",
1223 	    MMC_TXMULTICASTFRAMES_GB_LO, stats->txmulticastframes_gb);
1224         axgbe_printf(1, "rmon txbroadcastframes_gb (%08x) = %08lx\n",
1225 	    MMC_TXBROADCASTFRAMES_GB_LO, stats->txbroadcastframes_gb);
1226         axgbe_printf(1, "rmon txunderflowerror (%08x) = %08lx\n",
1227 	    MMC_TXUNDERFLOWERROR_LO, stats->txunderflowerror);
1228         axgbe_printf(1, "rmon txoctetcount_g (%08x) = %08lx\n",
1229 	    MMC_TXOCTETCOUNT_G_LO, stats->txoctetcount_g);
1230         axgbe_printf(1, "rmon txframecount_g (%08x) = %08lx\n",
1231 	    MMC_TXFRAMECOUNT_G_LO, stats->txframecount_g);
1232         axgbe_printf(1, "rmon txpauseframes (%08x) = %08lx\n",
1233 	    MMC_TXPAUSEFRAMES_LO, stats->txpauseframes);
1234         axgbe_printf(1, "rmon txvlanframes_g (%08x) = %08lx\n",
1235 	    MMC_TXVLANFRAMES_G_LO, stats->txvlanframes_g);
1236         axgbe_printf(1, "rmon rxframecount_gb (%08x) = %08lx\n",
1237 	    MMC_RXFRAMECOUNT_GB_LO, stats->rxframecount_gb);
1238         axgbe_printf(1, "rmon rxoctetcount_gb (%08x) = %08lx\n",
1239 	    MMC_RXOCTETCOUNT_GB_LO, stats->rxoctetcount_gb);
1240         axgbe_printf(1, "rmon rxoctetcount_g (%08x) = %08lx\n",
1241 	    MMC_RXOCTETCOUNT_G_LO, stats->rxoctetcount_g);
1242         axgbe_printf(1, "rmon rxbroadcastframes_g (%08x) = %08lx\n",
1243 	    MMC_RXBROADCASTFRAMES_G_LO, stats->rxbroadcastframes_g);
1244         axgbe_printf(1, "rmon rxmulticastframes_g (%08x) = %08lx\n",
1245 	    MMC_RXMULTICASTFRAMES_G_LO, stats->rxmulticastframes_g);
1246         axgbe_printf(1, "rmon rxcrcerror (%08x) = %08lx\n",
1247 	    MMC_RXCRCERROR_LO, stats->rxcrcerror);
1248 	axgbe_printf(1, "rmon rxrunterror (%08x) = %08lx\n",
1249 	    MMC_RXRUNTERROR, stats->rxrunterror);
1250         axgbe_printf(1, "rmon rxjabbererror (%08x) = %08lx\n",
1251 	    MMC_RXJABBERERROR, stats->rxjabbererror);
1252         axgbe_printf(1, "rmon rxundersize_g (%08x) = %08lx\n",
1253 	    MMC_RXUNDERSIZE_G, stats->rxundersize_g);
1254         axgbe_printf(1, "rmon rxoversize_g (%08x) = %08lx\n",
1255 	    MMC_RXOVERSIZE_G, stats->rxoversize_g);
1256         axgbe_printf(1, "rmon rx64octets_gb (%08x) = %08lx\n",
1257 	    MMC_RX64OCTETS_GB_LO, stats->rx64octets_gb);
1258         axgbe_printf(1, "rmon rx65to127octets_gb (%08x) = %08lx\n",
1259 	    MMC_RX65TO127OCTETS_GB_LO, stats->rx65to127octets_gb);
1260         axgbe_printf(1, "rmon rx128to255octets_gb (%08x) = %08lx\n",
1261 	    MMC_RX128TO255OCTETS_GB_LO, stats->rx128to255octets_gb);
1262         axgbe_printf(1, "rmon rx256to511octets_gb (%08x) = %08lx\n",
1263 	    MMC_RX256TO511OCTETS_GB_LO, stats->rx256to511octets_gb);
1264         axgbe_printf(1, "rmon rx512to1023octets_gb (%08x) = %08lx\n",
1265 	    MMC_RX512TO1023OCTETS_GB_LO, stats->rx512to1023octets_gb);
1266         axgbe_printf(1, "rmon rx1024tomaxoctets_gb (%08x) = %08lx\n",
1267 	    MMC_RX1024TOMAXOCTETS_GB_LO, stats->rx1024tomaxoctets_gb);
1268         axgbe_printf(1, "rmon rxunicastframes_g (%08x) = %08lx\n",
1269 	    MMC_RXUNICASTFRAMES_G_LO, stats->rxunicastframes_g);
1270         axgbe_printf(1, "rmon rxlengtherror (%08x) = %08lx\n",
1271 	    MMC_RXLENGTHERROR_LO, stats->rxlengtherror);
1272         axgbe_printf(1, "rmon rxoutofrangetype (%08x) = %08lx\n",
1273 	    MMC_RXOUTOFRANGETYPE_LO, stats->rxoutofrangetype);
1274         axgbe_printf(1, "rmon rxpauseframes (%08x) = %08lx\n",
1275 	    MMC_RXPAUSEFRAMES_LO, stats->rxpauseframes);
1276         axgbe_printf(1, "rmon rxfifooverflow (%08x) = %08lx\n",
1277 	    MMC_RXFIFOOVERFLOW_LO, stats->rxfifooverflow);
1278 	axgbe_printf(1, "rmon rxvlanframes_gb (%08x) = %08lx\n",
1279 	    MMC_RXVLANFRAMES_GB_LO, stats->rxvlanframes_gb);
1280         axgbe_printf(1, "rmon rxwatchdogerror (%08x) = %08lx\n",
1281 	    MMC_RXWATCHDOGERROR, stats->rxwatchdogerror);
1282 }
1283 
1284 void
1285 xgbe_dump_i2c_registers(struct xgbe_prv_data *pdata)
1286 {
1287           axgbe_printf(1, "*************** I2C Registers **************\n");
1288           axgbe_printf(1, "  IC_CON             : %010x\n",
1289 	      XI2C_IOREAD(pdata, 0x00));
1290           axgbe_printf(1, "  IC_TAR             : %010x\n",
1291 	      XI2C_IOREAD(pdata, 0x04));
1292           axgbe_printf(1, "  IC_HS_MADDR        : %010x\n",
1293 	      XI2C_IOREAD(pdata, 0x0c));
1294           axgbe_printf(1, "  IC_INTR_STAT       : %010x\n",
1295 	      XI2C_IOREAD(pdata, 0x2c));
1296           axgbe_printf(1, "  IC_INTR_MASK       : %010x\n",
1297 	      XI2C_IOREAD(pdata, 0x30));
1298           axgbe_printf(1, "  IC_RAW_INTR_STAT   : %010x\n",
1299 	      XI2C_IOREAD(pdata, 0x34));
1300           axgbe_printf(1, "  IC_RX_TL           : %010x\n",
1301 	      XI2C_IOREAD(pdata, 0x38));
1302           axgbe_printf(1, "  IC_TX_TL           : %010x\n",
1303 	      XI2C_IOREAD(pdata, 0x3c));
1304           axgbe_printf(1, "  IC_ENABLE          : %010x\n",
1305 	      XI2C_IOREAD(pdata, 0x6c));
1306           axgbe_printf(1, "  IC_STATUS          : %010x\n",
1307 	      XI2C_IOREAD(pdata, 0x70));
1308           axgbe_printf(1, "  IC_TXFLR           : %010x\n",
1309 	      XI2C_IOREAD(pdata, 0x74));
1310           axgbe_printf(1, "  IC_RXFLR           : %010x\n",
1311 	      XI2C_IOREAD(pdata, 0x78));
1312           axgbe_printf(1, "  IC_ENABLE_STATUS   : %010x\n",
1313 	      XI2C_IOREAD(pdata, 0x9c));
1314           axgbe_printf(1, "  IC_COMP_PARAM1     : %010x\n",
1315 	      XI2C_IOREAD(pdata, 0xf4));
1316 }
1317 
1318 static void
1319 xgbe_dump_active_vlans(struct xgbe_prv_data *pdata)
1320 {
1321 	int i;
1322 
1323 	for(i=0 ; i<BITS_TO_LONGS(VLAN_NVID); i++) {
1324 		if (i && (i%8 == 0))
1325 			axgbe_printf(1, "\n");
1326                 axgbe_printf(1, "vlans[%d]: 0x%08lx ", i, pdata->active_vlans[i]);
1327 	}
1328 	axgbe_printf(1, "\n");
1329 }
1330 
1331 static void
1332 xgbe_default_config(struct xgbe_prv_data *pdata)
1333 {
1334         pdata->blen = DMA_SBMR_BLEN_64;
1335         pdata->pbl = DMA_PBL_128;
1336         pdata->aal = 1;
1337         pdata->rd_osr_limit = 8;
1338         pdata->wr_osr_limit = 8;
1339         pdata->tx_sf_mode = MTL_TSF_ENABLE;
1340         pdata->tx_threshold = MTL_TX_THRESHOLD_64;
1341         pdata->tx_osp_mode = DMA_OSP_ENABLE;
1342         pdata->rx_sf_mode = MTL_RSF_DISABLE;
1343         pdata->rx_threshold = MTL_RX_THRESHOLD_64;
1344         pdata->pause_autoneg = 1;
1345         pdata->tx_pause = 1;
1346         pdata->rx_pause = 1;
1347         pdata->phy_speed = SPEED_UNKNOWN;
1348         pdata->power_down = 0;
1349         pdata->enable_rss = 1;
1350 }
1351 
1352 static int
1353 axgbe_if_attach_post(if_ctx_t ctx)
1354 {
1355 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1356 	struct xgbe_prv_data	*pdata = &sc->pdata;
1357 	struct ifnet		*ifp = pdata->netdev;
1358         struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1359 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1360 	if_softc_ctx_t		scctx = sc->scctx;
1361 	int i, ret;
1362 
1363 	/* set split header support based on tunable */
1364 	pdata->sph_enable = axgbe_sph_enable;
1365 
1366 	/* Initialize ECC timestamps */
1367         pdata->tx_sec_period = ticks;
1368         pdata->tx_ded_period = ticks;
1369         pdata->rx_sec_period = ticks;
1370         pdata->rx_ded_period = ticks;
1371         pdata->desc_sec_period = ticks;
1372         pdata->desc_ded_period = ticks;
1373 
1374 	/* Reset the hardware */
1375 	ret = hw_if->exit(&sc->pdata);
1376 	if (ret)
1377 		axgbe_error("%s: exit error %d\n", __func__, ret);
1378 
1379 	/* Configure the defaults */
1380 	xgbe_default_config(pdata);
1381 
1382 	/* Set default max values if not provided */
1383         if (!pdata->tx_max_fifo_size)
1384                 pdata->tx_max_fifo_size = pdata->hw_feat.tx_fifo_size;
1385         if (!pdata->rx_max_fifo_size)
1386                 pdata->rx_max_fifo_size = pdata->hw_feat.rx_fifo_size;
1387 
1388 	DBGPR("%s: tx fifo 0x%x rx fifo 0x%x\n", __func__,
1389 	    pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
1390 
1391         /* Set and validate the number of descriptors for a ring */
1392         MPASS(powerof2(XGBE_TX_DESC_CNT));
1393         pdata->tx_desc_count = XGBE_TX_DESC_CNT;
1394         MPASS(powerof2(XGBE_RX_DESC_CNT));
1395         pdata->rx_desc_count = XGBE_RX_DESC_CNT;
1396 
1397         /* Adjust the number of queues based on interrupts assigned */
1398         if (pdata->channel_irq_count) {
1399                 pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count,
1400 		    pdata->channel_irq_count);
1401                 pdata->rx_ring_count = min_t(unsigned int, pdata->rx_ring_count,
1402 		    pdata->channel_irq_count);
1403 
1404 		DBGPR("adjusted TX %u/%u RX %u/%u\n",
1405 		    pdata->tx_ring_count, pdata->tx_q_count,
1406 		    pdata->rx_ring_count, pdata->rx_q_count);
1407         }
1408 
1409 	/* Set channel count based on interrupts assigned */
1410 	pdata->channel_count = max_t(unsigned int, scctx->isc_ntxqsets,
1411 	    scctx->isc_nrxqsets);
1412 	DBGPR("Channel count set to: %u\n", pdata->channel_count);
1413 
1414 	/* Get RSS key */
1415 #ifdef	RSS
1416 	rss_getkey((uint8_t *)pdata->rss_key);
1417 #else
1418 	arc4rand(&pdata->rss_key, ARRAY_SIZE(pdata->rss_key), 0);
1419 #endif
1420 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, IP2TE, 1);
1421 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, TCP4TE, 1);
1422 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1);
1423 
1424 	/* Initialize the PHY device */
1425 	pdata->sysctl_an_cdr_workaround = pdata->vdata->an_cdr_workaround;
1426 	phy_if->phy_init(pdata);
1427 
1428 	/* Set the coalescing */
1429         xgbe_init_rx_coalesce(&sc->pdata);
1430         xgbe_init_tx_coalesce(&sc->pdata);
1431 
1432 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_KR, 0, NULL);
1433 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_T, 0, NULL);
1434 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_SFI, 0, NULL);
1435 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_KX, 0, NULL);
1436 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_CX, 0, NULL);
1437 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_LX, 0, NULL);
1438 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_SX, 0, NULL);
1439 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_T, 0, NULL);
1440 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_SGMII, 0, NULL);
1441 	ifmedia_add(sc->media, IFM_ETHER | IFM_100_TX, 0, NULL);
1442 	ifmedia_add(sc->media, IFM_ETHER | IFM_100_SGMII, 0, NULL);
1443 	ifmedia_add(sc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
1444 	ifmedia_set(sc->media, IFM_ETHER | IFM_AUTO);
1445 
1446 	/* Initialize the phy */
1447 	pdata->phy_link = -1;
1448 	pdata->phy_speed = SPEED_UNKNOWN;
1449 	ret = phy_if->phy_reset(pdata);
1450 	if (ret)
1451 		return (ret);
1452 
1453 	/* Calculate the Rx buffer size before allocating rings */
1454 	ret = xgbe_calc_rx_buf_size(pdata->netdev, if_getmtu(pdata->netdev));
1455 	pdata->rx_buf_size = ret;
1456 	DBGPR("%s: rx_buf_size %d\n", __func__, ret);
1457 
1458 	/* Setup RSS lookup table */
1459 	for (i = 0; i < XGBE_RSS_MAX_TABLE_SIZE; i++)
1460 		XGMAC_SET_BITS(pdata->rss_table[i], MAC_RSSDR, DMCH,
1461 				i % pdata->rx_ring_count);
1462 
1463 	/*
1464 	 * Mark the device down until it is initialized, which happens
1465 	 * when the device is accessed first (for configuring the iface,
1466 	 * eg: setting IP)
1467 	 */
1468 	set_bit(XGBE_DOWN, &pdata->dev_state);
1469 
1470 	DBGPR("mtu %d\n", ifp->if_mtu);
1471 	scctx->isc_max_frame_size = ifp->if_mtu + 18;
1472 	scctx->isc_min_frame_size = XGMAC_MIN_PACKET;
1473 
1474 	axgbe_sysctl_init(pdata);
1475 
1476 	axgbe_pci_init(pdata);
1477 
1478 	return (0);
1479 } /* axgbe_if_attach_post */
1480 
1481 static void
1482 xgbe_free_intr(struct xgbe_prv_data *pdata, struct resource *res, void *tag,
1483 		int rid)
1484 {
1485 	if (tag)
1486 		bus_teardown_intr(pdata->dev, res, tag);
1487 
1488 	if (res)
1489 		bus_release_resource(pdata->dev, SYS_RES_IRQ, rid, res);
1490 }
1491 
1492 static void
1493 axgbe_interrupts_free(if_ctx_t ctx)
1494 {
1495 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1496         struct xgbe_prv_data	*pdata = &sc->pdata;
1497         if_softc_ctx_t          scctx = sc->scctx;
1498         struct xgbe_channel     *channel;
1499         struct if_irq   irq;
1500         int i;
1501 
1502 	axgbe_printf(2, "%s: mode %d\n", __func__, scctx->isc_intr);
1503 
1504 	/* Free dev_irq */
1505 	iflib_irq_free(ctx, &pdata->dev_irq);
1506 
1507 	/* Free ecc_irq */
1508 	xgbe_free_intr(pdata, pdata->ecc_irq_res, pdata->ecc_irq_tag,
1509 	    pdata->ecc_rid);
1510 
1511 	/* Free i2c_irq */
1512 	xgbe_free_intr(pdata, pdata->i2c_irq_res, pdata->i2c_irq_tag,
1513 	    pdata->i2c_rid);
1514 
1515 	/* Free an_irq */
1516 	xgbe_free_intr(pdata, pdata->an_irq_res, pdata->an_irq_tag,
1517 	    pdata->an_rid);
1518 
1519 	for (i = 0; i < scctx->isc_nrxqsets; i++) {
1520 
1521 		channel = pdata->channel[i];
1522 		axgbe_printf(2, "%s: rid %d\n", __func__, channel->dma_irq_rid);
1523 		irq.ii_res = channel->dma_irq_res;
1524 		irq.ii_tag = channel->dma_irq_tag;
1525 		iflib_irq_free(ctx, &irq);
1526 	}
1527 }
1528 
1529 static int
1530 axgbe_if_detach(if_ctx_t ctx)
1531 {
1532 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1533 	struct xgbe_prv_data	*pdata = &sc->pdata;
1534         struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1535         struct resource *mac_res[2];
1536 
1537 	mac_res[0] = pdata->xgmac_res;
1538 	mac_res[1] = pdata->xpcs_res;
1539 
1540 	phy_if->phy_exit(pdata);
1541 
1542 	/* Free Interrupts */
1543 	axgbe_interrupts_free(ctx);
1544 
1545 	/* Free workqueues */
1546 	taskqueue_free(pdata->dev_workqueue);
1547 
1548 	/* Release bus resources */
1549 	bus_release_resources(iflib_get_dev(ctx), axgbe_pci_mac_spec, mac_res);
1550 
1551 	/* Free VLAN bitmap */
1552 	free(pdata->active_vlans, M_AXGBE);
1553 
1554 	axgbe_sysctl_exit(pdata);
1555 
1556 	return (0);
1557 } /* axgbe_if_detach */
1558 
1559 static void
1560 axgbe_pci_init(struct xgbe_prv_data *pdata)
1561 {
1562 	struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1563 	struct xgbe_hw_if       *hw_if = &pdata->hw_if;
1564 	int ret = 0;
1565 
1566 	if (!__predict_false((test_bit(XGBE_DOWN, &pdata->dev_state)))) {
1567 		axgbe_printf(1, "%s: Starting when XGBE_UP\n", __func__);
1568 		return;
1569 	}
1570 
1571 	hw_if->init(pdata);
1572 
1573         ret = phy_if->phy_start(pdata);
1574         if (ret) {
1575 		axgbe_error("%s:  phy start %d\n", __func__, ret);
1576 		ret = hw_if->exit(pdata);
1577 		if (ret)
1578 			axgbe_error("%s: exit error %d\n", __func__, ret);
1579 		return;
1580 	}
1581 
1582 	hw_if->enable_tx(pdata);
1583 	hw_if->enable_rx(pdata);
1584 
1585 	xgbe_start_timers(pdata);
1586 
1587 	clear_bit(XGBE_DOWN, &pdata->dev_state);
1588 
1589 	xgbe_dump_phy_registers(pdata);
1590 	xgbe_dump_prop_registers(pdata);
1591 	xgbe_dump_dma_registers(pdata, -1);
1592 	xgbe_dump_mtl_registers(pdata);
1593 	xgbe_dump_mac_registers(pdata);
1594 	xgbe_dump_rmon_counters(pdata);
1595 }
1596 
1597 static void
1598 axgbe_if_init(if_ctx_t ctx)
1599 {
1600 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1601 	struct xgbe_prv_data    *pdata = &sc->pdata;
1602 
1603 	axgbe_pci_init(pdata);
1604 }
1605 
1606 static void
1607 axgbe_pci_stop(if_ctx_t ctx)
1608 {
1609 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1610         struct xgbe_prv_data    *pdata = &sc->pdata;
1611 	struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1612 	struct xgbe_hw_if       *hw_if = &pdata->hw_if;
1613 	int ret;
1614 
1615 	if (__predict_false(test_bit(XGBE_DOWN, &pdata->dev_state))) {
1616 		axgbe_printf(1, "%s: Stopping when XGBE_DOWN\n", __func__);
1617 		return;
1618 	}
1619 
1620 	xgbe_stop_timers(pdata);
1621 	taskqueue_drain_all(pdata->dev_workqueue);
1622 
1623 	hw_if->disable_tx(pdata);
1624 	hw_if->disable_rx(pdata);
1625 
1626 	phy_if->phy_stop(pdata);
1627 
1628 	ret = hw_if->exit(pdata);
1629 	if (ret)
1630 		axgbe_error("%s: exit error %d\n", __func__, ret);
1631 
1632 	set_bit(XGBE_DOWN, &pdata->dev_state);
1633 }
1634 
1635 static void
1636 axgbe_if_stop(if_ctx_t ctx)
1637 {
1638 	axgbe_pci_stop(ctx);
1639 }
1640 
1641 static void
1642 axgbe_if_disable_intr(if_ctx_t ctx)
1643 {
1644 	/* TODO - implement */
1645 }
1646 
1647 static void
1648 axgbe_if_enable_intr(if_ctx_t ctx)
1649 {
1650 	/* TODO - implement */
1651 }
1652 
1653 static int
1654 axgbe_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *va, uint64_t *pa, int ntxqs,
1655     int ntxqsets)
1656 {
1657 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1658 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1659 	if_softc_ctx_t		scctx = sc->scctx;
1660 	struct xgbe_channel	*channel;
1661 	struct xgbe_ring	*tx_ring;
1662 	int			i, j, k;
1663 
1664 	MPASS(scctx->isc_ntxqsets > 0);
1665 	MPASS(scctx->isc_ntxqsets == ntxqsets);
1666 	MPASS(ntxqs == 1);
1667 
1668 	axgbe_printf(1, "%s: txqsets %d/%d txqs %d\n", __func__,
1669 	    scctx->isc_ntxqsets, ntxqsets, ntxqs);
1670 
1671 	for (i = 0 ; i < ntxqsets; i++) {
1672 
1673 		channel = pdata->channel[i];
1674 
1675 		tx_ring = (struct xgbe_ring*)malloc(ntxqs *
1676 		    sizeof(struct xgbe_ring), M_AXGBE, M_NOWAIT | M_ZERO);
1677 
1678 		if (tx_ring == NULL) {
1679 			axgbe_error("Unable to allocate TX ring memory\n");
1680 			goto tx_ring_fail;
1681 		}
1682 
1683 		channel->tx_ring = tx_ring;
1684 
1685 		for (j = 0; j < ntxqs; j++, tx_ring++) {
1686 			tx_ring->rdata =
1687 			    (struct xgbe_ring_data*)malloc(scctx->isc_ntxd[j] *
1688 			    sizeof(struct xgbe_ring_data), M_AXGBE, M_NOWAIT);
1689 
1690 			/* Get the virtual & physical address of hw queues */
1691 			tx_ring->rdesc = (struct xgbe_ring_desc *)va[i*ntxqs + j];
1692 			tx_ring->rdesc_paddr = pa[i*ntxqs + j];
1693 			tx_ring->rdesc_count = scctx->isc_ntxd[j];
1694 			spin_lock_init(&tx_ring->lock);
1695 		}
1696 	}
1697 
1698 	axgbe_printf(1, "allocated for %d tx queues\n", scctx->isc_ntxqsets);
1699 
1700 	return (0);
1701 
1702 tx_ring_fail:
1703 
1704 	for (j = 0; j < i ; j++) {
1705 
1706 		channel = pdata->channel[j];
1707 
1708 		tx_ring = channel->tx_ring;
1709 		for (k = 0; k < ntxqs ; k++, tx_ring++) {
1710 			if (tx_ring && tx_ring->rdata)
1711 				free(tx_ring->rdata, M_AXGBE);
1712 		}
1713 		free(channel->tx_ring, M_AXGBE);
1714 
1715 		channel->tx_ring = NULL;
1716 	}
1717 
1718 	return (ENOMEM);
1719 
1720 } /* axgbe_if_tx_queues_alloc */
1721 
1722 static int
1723 axgbe_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *va, uint64_t *pa, int nrxqs,
1724     int nrxqsets)
1725 {
1726 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1727 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1728 	if_softc_ctx_t		scctx = sc->scctx;
1729 	struct xgbe_channel	*channel;
1730 	struct xgbe_ring	*rx_ring;
1731 	int			i, j, k;
1732 
1733 	MPASS(scctx->isc_nrxqsets > 0);
1734 	MPASS(scctx->isc_nrxqsets == nrxqsets);
1735 	if (!pdata->sph_enable) {
1736 		MPASS(nrxqs == 1);
1737 	} else {
1738 		MPASS(nrxqs == 2);
1739 	}
1740 
1741 	axgbe_printf(1, "%s: rxqsets %d/%d rxqs %d\n", __func__,
1742 	    scctx->isc_nrxqsets, nrxqsets, nrxqs);
1743 
1744 	for (i = 0 ; i < nrxqsets; i++) {
1745 
1746 		channel = pdata->channel[i];
1747 
1748 		rx_ring = (struct xgbe_ring*)malloc(nrxqs *
1749 		    sizeof(struct xgbe_ring), M_AXGBE, M_NOWAIT | M_ZERO);
1750 
1751 		if (rx_ring == NULL) {
1752 			axgbe_error("Unable to allocate RX ring memory\n");
1753 			goto rx_ring_fail;
1754 		}
1755 
1756 		channel->rx_ring = rx_ring;
1757 
1758 		for (j = 0; j < nrxqs; j++, rx_ring++) {
1759 			rx_ring->rdata =
1760 			    (struct xgbe_ring_data*)malloc(scctx->isc_nrxd[j] *
1761 			    sizeof(struct xgbe_ring_data), M_AXGBE, M_NOWAIT);
1762 
1763 			/* Get the virtual and physical address of the hw queues */
1764 			rx_ring->rdesc = (struct xgbe_ring_desc *)va[i*nrxqs + j];
1765 			rx_ring->rdesc_paddr = pa[i*nrxqs + j];
1766 			rx_ring->rdesc_count = scctx->isc_nrxd[j];
1767 			spin_lock_init(&rx_ring->lock);
1768 		}
1769 	}
1770 
1771 	axgbe_printf(2, "allocated for %d rx queues\n", scctx->isc_nrxqsets);
1772 
1773 	return (0);
1774 
1775 rx_ring_fail:
1776 
1777 	for (j = 0 ; j < i ; j++) {
1778 
1779 		channel = pdata->channel[j];
1780 
1781 		rx_ring = channel->rx_ring;
1782 		for (k = 0; k < nrxqs ; k++, rx_ring++) {
1783 			if (rx_ring && rx_ring->rdata)
1784 				free(rx_ring->rdata, M_AXGBE);
1785 		}
1786 		free(channel->rx_ring, M_AXGBE);
1787 
1788 		channel->rx_ring = NULL;
1789 	}
1790 
1791 	return (ENOMEM);
1792 
1793 } /* axgbe_if_rx_queues_alloc */
1794 
1795 static void
1796 axgbe_if_queues_free(if_ctx_t ctx)
1797 {
1798 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1799 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1800 	if_softc_ctx_t		scctx = sc->scctx;
1801 	if_shared_ctx_t		sctx = sc->sctx;
1802 	struct xgbe_channel	*channel;
1803 	struct xgbe_ring        *tx_ring;
1804 	struct xgbe_ring        *rx_ring;
1805 	int i, j;
1806 
1807 	for (i = 0 ; i < scctx->isc_ntxqsets; i++) {
1808 
1809 		channel = pdata->channel[i];
1810 
1811 		tx_ring = channel->tx_ring;
1812 		for (j = 0; j < sctx->isc_ntxqs ; j++, tx_ring++) {
1813 			if (tx_ring && tx_ring->rdata)
1814 				free(tx_ring->rdata, M_AXGBE);
1815 		}
1816 		free(channel->tx_ring, M_AXGBE);
1817 		channel->tx_ring = NULL;
1818 	}
1819 
1820 	for (i = 0 ; i < scctx->isc_nrxqsets; i++) {
1821 
1822 		channel = pdata->channel[i];
1823 
1824 		rx_ring = channel->rx_ring;
1825 		for (j = 0; j < sctx->isc_nrxqs ; j++, rx_ring++) {
1826 			if (rx_ring && rx_ring->rdata)
1827 				free(rx_ring->rdata, M_AXGBE);
1828 		}
1829 		free(channel->rx_ring, M_AXGBE);
1830 		channel->rx_ring = NULL;
1831 	}
1832 
1833 	axgbe_free_channels(sc);
1834 } /* axgbe_if_queues_free */
1835 
1836 static void
1837 axgbe_if_vlan_register(if_ctx_t ctx, uint16_t vtag)
1838 {
1839 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1840 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1841 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1842 
1843 	if (!bit_test(pdata->active_vlans, vtag)) {
1844 		axgbe_printf(0, "Registering VLAN %d\n", vtag);
1845 
1846 		bit_set(pdata->active_vlans, vtag);
1847 		hw_if->update_vlan_hash_table(pdata);
1848 		pdata->num_active_vlans++;
1849 
1850 		axgbe_printf(1, "Total active vlans: %d\n",
1851 		    pdata->num_active_vlans);
1852 	} else
1853 		axgbe_printf(0, "VLAN %d already registered\n", vtag);
1854 
1855 	xgbe_dump_active_vlans(pdata);
1856 }
1857 
1858 static void
1859 axgbe_if_vlan_unregister(if_ctx_t ctx, uint16_t vtag)
1860 {
1861 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1862 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1863 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1864 
1865 	if (pdata->num_active_vlans == 0) {
1866 		axgbe_printf(1, "No active VLANs to unregister\n");
1867 		return;
1868 	}
1869 
1870 	if (bit_test(pdata->active_vlans, vtag)){
1871 		axgbe_printf(0, "Un-Registering VLAN %d\n", vtag);
1872 
1873 		bit_clear(pdata->active_vlans, vtag);
1874 		hw_if->update_vlan_hash_table(pdata);
1875 		pdata->num_active_vlans--;
1876 
1877 		axgbe_printf(1, "Total active vlans: %d\n",
1878 		    pdata->num_active_vlans);
1879 	} else
1880 		axgbe_printf(0, "VLAN %d already unregistered\n", vtag);
1881 
1882 	xgbe_dump_active_vlans(pdata);
1883 }
1884 
1885 #if __FreeBSD_version >= 1300000
1886 static bool
1887 axgbe_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
1888 {
1889         switch (event) {
1890         case IFLIB_RESTART_VLAN_CONFIG:
1891         default:
1892                 return (true);
1893         }
1894 }
1895 #endif
1896 
1897 static int
1898 axgbe_if_msix_intr_assign(if_ctx_t ctx, int msix)
1899 {
1900 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1901 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1902 	if_softc_ctx_t		scctx = sc->scctx;
1903 	struct xgbe_channel	*channel;
1904 	struct if_irq		irq;
1905 	int			i, error, rid = 0, flags;
1906 	char			buf[16];
1907 
1908 	MPASS(scctx->isc_intr != IFLIB_INTR_LEGACY);
1909 
1910 	pdata->isr_as_tasklet = 1;
1911 
1912 	if (scctx->isc_intr == IFLIB_INTR_MSI) {
1913 		pdata->irq_count = 1;
1914 		pdata->channel_irq_count = 1;
1915 		return (0);
1916 	}
1917 
1918 	axgbe_printf(1, "%s: msix %d txqsets %d rxqsets %d\n", __func__, msix,
1919 	    scctx->isc_ntxqsets, scctx->isc_nrxqsets);
1920 
1921 	flags = RF_ACTIVE;
1922 
1923 	/* DEV INTR SETUP */
1924 	rid++;
1925 	error = iflib_irq_alloc_generic(ctx, &pdata->dev_irq, rid,
1926 	    IFLIB_INTR_ADMIN, axgbe_dev_isr, sc, 0, "dev_irq");
1927 	if (error) {
1928 		axgbe_error("Failed to register device interrupt rid %d name %s\n",
1929 		    rid, "dev_irq");
1930 		return (error);
1931 	}
1932 
1933 	/* ECC INTR SETUP */
1934 	rid++;
1935 	pdata->ecc_rid = rid;
1936 	pdata->ecc_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1937 	    &rid, flags);
1938 	if (!pdata->ecc_irq_res) {
1939 		axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1940 		    rid, "ecc_irq");
1941 		return (ENOMEM);
1942 	}
1943 
1944 	error = bus_setup_intr(pdata->dev, pdata->ecc_irq_res, INTR_MPSAFE |
1945 	    INTR_TYPE_NET, NULL, axgbe_ecc_isr, sc, &pdata->ecc_irq_tag);
1946         if (error) {
1947                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1948 		    rid, "ecc_irq", error);
1949                 return (error);
1950 	}
1951 
1952 	/* I2C INTR SETUP */
1953 	rid++;
1954 	pdata->i2c_rid = rid;
1955         pdata->i2c_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1956 	    &rid, flags);
1957         if (!pdata->i2c_irq_res) {
1958                 axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1959 		    rid, "i2c_irq");
1960                 return (ENOMEM);
1961         }
1962 
1963         error = bus_setup_intr(pdata->dev, pdata->i2c_irq_res, INTR_MPSAFE |
1964 	    INTR_TYPE_NET, NULL, axgbe_i2c_isr, sc, &pdata->i2c_irq_tag);
1965         if (error) {
1966                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1967 		    rid, "i2c_irq", error);
1968                 return (error);
1969 	}
1970 
1971 	/* AN INTR SETUP */
1972 	rid++;
1973 	pdata->an_rid = rid;
1974         pdata->an_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1975 	    &rid, flags);
1976         if (!pdata->an_irq_res) {
1977                 axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1978 		    rid, "an_irq");
1979                 return (ENOMEM);
1980         }
1981 
1982         error = bus_setup_intr(pdata->dev, pdata->an_irq_res, INTR_MPSAFE |
1983 	    INTR_TYPE_NET, NULL, axgbe_an_isr, sc, &pdata->an_irq_tag);
1984         if (error) {
1985                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1986 		    rid, "an_irq", error);
1987                 return (error);
1988 	}
1989 
1990 	pdata->per_channel_irq = 1;
1991 	pdata->channel_irq_mode = XGBE_IRQ_MODE_LEVEL;
1992 	rid++;
1993 	for (i = 0; i < scctx->isc_nrxqsets; i++, rid++) {
1994 
1995 		channel = pdata->channel[i];
1996 
1997 		snprintf(buf, sizeof(buf), "rxq%d", i);
1998 		error = iflib_irq_alloc_generic(ctx, &irq, rid, IFLIB_INTR_RXTX,
1999 		    axgbe_msix_que, channel, channel->queue_index, buf);
2000 
2001 		if (error) {
2002 			axgbe_error("Failed to allocated que int %d err: %d\n",
2003 			    i, error);
2004 			return (error);
2005 		}
2006 
2007 		channel->dma_irq_rid = rid;
2008 		channel->dma_irq_res = irq.ii_res;
2009 		channel->dma_irq_tag = irq.ii_tag;
2010 		axgbe_printf(1, "%s: channel count %d idx %d irq %d\n",
2011 		    __func__, scctx->isc_nrxqsets, i, rid);
2012 	}
2013 	pdata->irq_count = msix;
2014 	pdata->channel_irq_count = scctx->isc_nrxqsets;
2015 
2016 	for (i = 0; i < scctx->isc_ntxqsets; i++) {
2017 
2018 		channel = pdata->channel[i];
2019 
2020 		snprintf(buf, sizeof(buf), "txq%d", i);
2021 		irq.ii_res = channel->dma_irq_res;
2022 		iflib_softirq_alloc_generic(ctx, &irq, IFLIB_INTR_TX, channel,
2023 		    channel->queue_index, buf);
2024 	}
2025 
2026 	return (0);
2027 } /* axgbe_if_msix_intr_assign */
2028 
2029 static int
2030 xgbe_enable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel)
2031 {
2032         struct xgbe_hw_if *hw_if = &pdata->hw_if;
2033         enum xgbe_int int_id;
2034 
2035 	if (channel->tx_ring && channel->rx_ring)
2036 		int_id = XGMAC_INT_DMA_CH_SR_TI_RI;
2037 	else if (channel->tx_ring)
2038 		int_id = XGMAC_INT_DMA_CH_SR_TI;
2039 	else if (channel->rx_ring)
2040 		int_id = XGMAC_INT_DMA_CH_SR_RI;
2041 	else
2042 		return (-1);
2043 
2044 	axgbe_printf(1, "%s channel: %d rx_tx interrupt enabled %d\n",
2045 	    __func__, channel->queue_index, int_id);
2046         return (hw_if->enable_int(channel, int_id));
2047 }
2048 
2049 static void
2050 xgbe_disable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel)
2051 {
2052         struct xgbe_hw_if *hw_if = &pdata->hw_if;
2053         enum xgbe_int int_id;
2054 
2055         if (channel->tx_ring && channel->rx_ring)
2056                 int_id = XGMAC_INT_DMA_CH_SR_TI_RI;
2057         else if (channel->tx_ring)
2058                 int_id = XGMAC_INT_DMA_CH_SR_TI;
2059         else if (channel->rx_ring)
2060                 int_id = XGMAC_INT_DMA_CH_SR_RI;
2061         else
2062                 return;
2063 
2064 	axgbe_printf(1, "%s channel: %d rx_tx interrupt disabled %d\n",
2065 	    __func__, channel->queue_index, int_id);
2066         hw_if->disable_int(channel, int_id);
2067 }
2068 
2069 static void
2070 xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata)
2071 {
2072         unsigned int i;
2073 
2074         for (i = 0; i < pdata->channel_count; i++)
2075                 xgbe_disable_rx_tx_int(pdata, pdata->channel[i]);
2076 }
2077 
2078 static int
2079 axgbe_msix_que(void *arg)
2080 {
2081 	struct xgbe_channel	*channel = (struct xgbe_channel *)arg;
2082 	struct xgbe_prv_data	*pdata = channel->pdata;
2083 	unsigned int 		dma_status;
2084 
2085 	axgbe_printf(1, "%s: Channel: %d SR 0x%04x DSR 0x%04x IER:0x%04x D_ISR:0x%04x M_ISR:0x%04x\n",
2086 	    __func__, channel->queue_index,
2087 	    XGMAC_DMA_IOREAD(channel, DMA_CH_SR),
2088 	    XGMAC_DMA_IOREAD(channel, DMA_CH_DSR),
2089 	    XGMAC_DMA_IOREAD(channel, DMA_CH_IER),
2090 	    XGMAC_IOREAD(pdata, DMA_ISR),
2091 	    XGMAC_IOREAD(pdata, MAC_ISR));
2092 
2093 	(void)XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
2094 
2095 	/* Disable Tx and Rx channel interrupts */
2096 	xgbe_disable_rx_tx_int(pdata, channel);
2097 
2098 	/* Clear the interrupts */
2099 	dma_status = 0;
2100 	XGMAC_SET_BITS(dma_status, DMA_CH_SR, TI, 1);
2101 	XGMAC_SET_BITS(dma_status, DMA_CH_SR, RI, 1);
2102 	XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_status);
2103 
2104 	return (FILTER_SCHEDULE_THREAD);
2105 }
2106 
2107 static int
2108 axgbe_dev_isr(void *arg)
2109 {
2110 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2111 	struct xgbe_prv_data	*pdata = &sc->pdata;
2112 	struct xgbe_channel	*channel;
2113 	struct xgbe_hw_if	*hw_if = &pdata->hw_if;
2114 	unsigned int		i, dma_isr, dma_ch_isr;
2115 	unsigned int		mac_isr, mac_mdioisr;
2116 	int ret = FILTER_HANDLED;
2117 
2118 	dma_isr = XGMAC_IOREAD(pdata, DMA_ISR);
2119 	axgbe_printf(2, "%s DMA ISR: 0x%x\n", __func__, dma_isr);
2120 
2121         if (!dma_isr)
2122                 return (FILTER_HANDLED);
2123 
2124         for (i = 0; i < pdata->channel_count; i++) {
2125 
2126                 if (!(dma_isr & (1 << i)))
2127                         continue;
2128 
2129                 channel = pdata->channel[i];
2130 
2131                 dma_ch_isr = XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
2132 		axgbe_printf(2, "%s: channel %d SR 0x%x DSR 0x%x\n", __func__,
2133 		    channel->queue_index, dma_ch_isr, XGMAC_DMA_IOREAD(channel,
2134 		    DMA_CH_DSR));
2135 
2136                 /*
2137 		 * The TI or RI interrupt bits may still be set even if using
2138                  * per channel DMA interrupts. Check to be sure those are not
2139                  * enabled before using the private data napi structure.
2140                  */
2141 		if (!pdata->per_channel_irq &&
2142 		    (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, TI) ||
2143 		    XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RI))) {
2144 
2145 			/* Disable Tx and Rx interrupts */
2146 			xgbe_disable_rx_tx_ints(pdata);
2147                 } else {
2148 
2149 			/*
2150 			 * Don't clear Rx/Tx status if doing per channel DMA
2151 			 * interrupts, these will be cleared by the ISR for
2152 		 	 * per channel DMA interrupts
2153 		 	 */
2154                 	XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, TI, 0);
2155                 	XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, RI, 0);
2156 		}
2157 
2158                 if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RBU))
2159                         pdata->ext_stats.rx_buffer_unavailable++;
2160 
2161                 /* Restart the device on a Fatal Bus Error */
2162                 if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, FBE))
2163 			axgbe_error("%s: Fatal bus error reported 0x%x\n",
2164 			    __func__, dma_ch_isr);
2165 
2166                 /* Clear all interrupt signals */
2167                 XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_ch_isr);
2168 
2169 		ret = FILTER_SCHEDULE_THREAD;
2170         }
2171 
2172         if (XGMAC_GET_BITS(dma_isr, DMA_ISR, MACIS)) {
2173 
2174                 mac_isr = XGMAC_IOREAD(pdata, MAC_ISR);
2175 		axgbe_printf(2, "%s MAC ISR: 0x%x\n", __func__, mac_isr);
2176 
2177                 if (XGMAC_GET_BITS(mac_isr, MAC_ISR, MMCTXIS))
2178                         hw_if->tx_mmc_int(pdata);
2179 
2180                 if (XGMAC_GET_BITS(mac_isr, MAC_ISR, MMCRXIS))
2181                         hw_if->rx_mmc_int(pdata);
2182 
2183 		if (XGMAC_GET_BITS(mac_isr, MAC_ISR, SMI)) {
2184 			mac_mdioisr = XGMAC_IOREAD(pdata, MAC_MDIOISR);
2185 
2186 			if (XGMAC_GET_BITS(mac_mdioisr, MAC_MDIOISR,
2187 			    SNGLCOMPINT))
2188 				wakeup_one(pdata);
2189 		}
2190 
2191 	}
2192 
2193 	return (ret);
2194 } /* axgbe_dev_isr */
2195 
2196 static void
2197 axgbe_i2c_isr(void *arg)
2198 {
2199 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2200 
2201 	sc->pdata.i2c_if.i2c_isr(&sc->pdata);
2202 }
2203 
2204 static void
2205 axgbe_ecc_isr(void *arg)
2206 {
2207 	/* TODO - implement */
2208 }
2209 
2210 static void
2211 axgbe_an_isr(void *arg)
2212 {
2213 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2214 
2215 	sc->pdata.phy_if.an_isr(&sc->pdata);
2216 }
2217 
2218 static int
2219 axgbe_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
2220 {
2221 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2222 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2223 	int ret;
2224 
2225 	if (qid < pdata->tx_q_count) {
2226 		ret = xgbe_enable_rx_tx_int(pdata, pdata->channel[qid]);
2227 		if (ret) {
2228 			axgbe_error("Enable TX INT failed\n");
2229 			return (ret);
2230 		}
2231 	} else
2232 		axgbe_error("Queue ID exceed channel count\n");
2233 
2234 	return (0);
2235 }
2236 
2237 static int
2238 axgbe_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
2239 {
2240 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2241 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2242 	int ret;
2243 
2244 	if (qid < pdata->rx_q_count) {
2245 		ret = xgbe_enable_rx_tx_int(pdata, pdata->channel[qid]);
2246 		if (ret) {
2247 			axgbe_error("Enable RX INT failed\n");
2248 			return (ret);
2249 		}
2250 	} else
2251 		axgbe_error("Queue ID exceed channel count\n");
2252 
2253 	return (0);
2254 }
2255 
2256 static void
2257 axgbe_if_update_admin_status(if_ctx_t ctx)
2258 {
2259 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2260 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2261 
2262 	axgbe_printf(1, "%s: phy_link %d status %d speed %d\n", __func__,
2263 	    pdata->phy_link, sc->link_status, pdata->phy.speed);
2264 
2265 	if (pdata->phy_link < 0)
2266 		return;
2267 
2268 	if (pdata->phy_link) {
2269 		if (sc->link_status == LINK_STATE_DOWN) {
2270 			sc->link_status = LINK_STATE_UP;
2271 			if (pdata->phy.speed & SPEED_10000)
2272 				iflib_link_state_change(ctx, LINK_STATE_UP,
2273 				    IF_Gbps(10));
2274 			else if (pdata->phy.speed & SPEED_2500)
2275 				iflib_link_state_change(ctx, LINK_STATE_UP,
2276 				    IF_Gbps(2.5));
2277 			else if (pdata->phy.speed & SPEED_1000)
2278 				iflib_link_state_change(ctx, LINK_STATE_UP,
2279 				    IF_Gbps(1));
2280 			else if (pdata->phy.speed & SPEED_100)
2281 				iflib_link_state_change(ctx, LINK_STATE_UP,
2282 				    IF_Mbps(100));
2283 			else if (pdata->phy.speed & SPEED_10)
2284 				iflib_link_state_change(ctx, LINK_STATE_UP,
2285 				    IF_Mbps(10));
2286 		}
2287 	} else {
2288 		if (sc->link_status == LINK_STATE_UP) {
2289 			sc->link_status = LINK_STATE_DOWN;
2290 			iflib_link_state_change(ctx, LINK_STATE_DOWN, 0);
2291 		}
2292 	}
2293 }
2294 
2295 static int
2296 axgbe_if_media_change(if_ctx_t ctx)
2297 {
2298         struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
2299         struct ifmedia          *ifm = iflib_get_media(ctx);
2300 
2301         sx_xlock(&sc->pdata.an_mutex);
2302         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
2303                 return (EINVAL);
2304 
2305         switch (IFM_SUBTYPE(ifm->ifm_media)) {
2306         case IFM_10G_KR:
2307                 sc->pdata.phy.speed = SPEED_10000;
2308                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2309                 break;
2310         case IFM_2500_KX:
2311                 sc->pdata.phy.speed = SPEED_2500;
2312                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2313                 break;
2314         case IFM_1000_KX:
2315                 sc->pdata.phy.speed = SPEED_1000;
2316                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2317                 break;
2318         case IFM_100_TX:
2319                 sc->pdata.phy.speed = SPEED_100;
2320                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2321                 break;
2322         case IFM_AUTO:
2323                 sc->pdata.phy.autoneg = AUTONEG_ENABLE;
2324                 break;
2325         }
2326         sx_xunlock(&sc->pdata.an_mutex);
2327 
2328         return (-sc->pdata.phy_if.phy_config_aneg(&sc->pdata));
2329 }
2330 
2331 static int
2332 axgbe_if_promisc_set(if_ctx_t ctx, int flags)
2333 {
2334 	struct axgbe_if_softc *sc = iflib_get_softc(ctx);
2335 	struct xgbe_prv_data *pdata = &sc->pdata;
2336 	struct ifnet *ifp = pdata->netdev;
2337 
2338 	axgbe_printf(1, "%s: MAC_PFR 0x%x drv_flags 0x%x if_flags 0x%x\n",
2339 	    __func__, XGMAC_IOREAD(pdata, MAC_PFR), ifp->if_drv_flags, ifp->if_flags);
2340 
2341 	if (ifp->if_flags & IFF_PPROMISC) {
2342 
2343 		axgbe_printf(1, "User requested to enter promisc mode\n");
2344 
2345 		if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == 1) {
2346 			axgbe_printf(1, "Already in promisc mode\n");
2347 			return (0);
2348 		}
2349 
2350 		axgbe_printf(1, "Entering promisc mode\n");
2351 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 1);
2352 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 0);
2353 	} else {
2354 
2355 		axgbe_printf(1, "User requested to leave promisc mode\n");
2356 
2357 		if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == 0) {
2358 			axgbe_printf(1, "Already not in promisc mode\n");
2359 			return (0);
2360 		}
2361 
2362 		axgbe_printf(1, "Leaving promisc mode\n");
2363 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 0);
2364 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 1);
2365 	}
2366 
2367 	return (0);
2368 }
2369 
2370 static uint64_t
2371 axgbe_if_get_counter(if_ctx_t ctx, ift_counter cnt)
2372 {
2373 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2374         struct ifnet		*ifp = iflib_get_ifp(ctx);
2375         struct xgbe_prv_data    *pdata = &sc->pdata;
2376         struct xgbe_mmc_stats	*pstats = &pdata->mmc_stats;
2377 
2378         pdata->hw_if.read_mmc_stats(pdata);
2379 
2380         switch(cnt) {
2381         case IFCOUNTER_IPACKETS:
2382                 return (pstats->rxframecount_gb);
2383         case IFCOUNTER_IERRORS:
2384                 return (pstats->rxframecount_gb - pstats->rxbroadcastframes_g -
2385                     pstats->rxmulticastframes_g - pstats->rxunicastframes_g);
2386         case IFCOUNTER_OPACKETS:
2387                 return (pstats->txframecount_gb);
2388         case IFCOUNTER_OERRORS:
2389                 return (pstats->txframecount_gb - pstats->txframecount_g);
2390         case IFCOUNTER_IBYTES:
2391                 return (pstats->rxoctetcount_gb);
2392         case IFCOUNTER_OBYTES:
2393                 return (pstats->txoctetcount_gb);
2394         default:
2395                 return (if_get_counter_default(ifp, cnt));
2396         }
2397 }
2398 
2399 static int
2400 axgbe_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
2401 {
2402         struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2403 	struct xgbe_prv_data	*pdata = &sc->pdata;
2404 	int ret;
2405 
2406         if (mtu > XGMAC_JUMBO_PACKET_MTU)
2407                 return (EINVAL);
2408 
2409 	ret = xgbe_calc_rx_buf_size(pdata->netdev, mtu);
2410         pdata->rx_buf_size = ret;
2411         axgbe_printf(1, "%s: rx_buf_size %d\n", __func__, ret);
2412 
2413         sc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
2414         return (0);
2415 }
2416 
2417 static void
2418 axgbe_if_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
2419 {
2420         struct axgbe_if_softc *sc = iflib_get_softc(ctx);
2421         struct xgbe_prv_data *pdata = &sc->pdata;
2422 
2423         ifmr->ifm_status = IFM_AVALID;
2424 	if (!sc->pdata.phy.link)
2425 		return;
2426 
2427 	ifmr->ifm_active = IFM_ETHER;
2428 	ifmr->ifm_status |= IFM_ACTIVE;
2429 
2430 	axgbe_printf(1, "Speed 0x%x Mode %d\n", sc->pdata.phy.speed,
2431 	    pdata->phy_if.phy_impl.cur_mode(pdata));
2432 	pdata->phy_if.phy_impl.get_type(pdata, ifmr);
2433 
2434 	ifmr->ifm_active |= IFM_FDX;
2435 	ifmr->ifm_active |= IFM_ETH_TXPAUSE;
2436 	ifmr->ifm_active |= IFM_ETH_RXPAUSE;
2437 }
2438