xref: /freebsd/sys/dev/axgbe/if_axgbe_pci.c (revision e94de94f8d14ede98d38c9fc506ddf5c77ee9788)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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/param.h>
33 #include <sys/bus.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
37 #include <sys/mutex.h>
38 #include <sys/rman.h>
39 #include <sys/smp.h>
40 #include <sys/socket.h>
41 #include <sys/sysctl.h>
42 #include <sys/systm.h>
43 
44 #include <net/if.h>
45 #include <net/if_media.h>
46 
47 #include <dev/mii/mii.h>
48 #include <dev/mii/miivar.h>
49 
50 #include <dev/pci/pcireg.h>
51 #include <dev/pci/pcivar.h>
52 
53 #include "xgbe.h"
54 #include "xgbe-common.h"
55 
56 #include "miibus_if.h"
57 #include "ifdi_if.h"
58 #include "opt_inet.h"
59 #include "opt_inet6.h"
60 #include "opt_rss.h"
61 
62 #include <net/rss_config.h>
63 #ifdef RSS
64 #include <netinet/in_rss.h>
65 #endif
66 
67 MALLOC_DEFINE(M_AXGBE, "axgbe", "axgbe data");
68 
69 extern struct if_txrx axgbe_txrx;
70 static int axgbe_sph_enable;
71 
72 /* Function prototypes */
73 static void *axgbe_register(device_t);
74 static int axgbe_if_attach_pre(if_ctx_t);
75 static int axgbe_if_attach_post(if_ctx_t);
76 static int axgbe_if_detach(if_ctx_t);
77 static void axgbe_if_stop(if_ctx_t);
78 static void axgbe_if_init(if_ctx_t);
79 
80 /* Queue related routines */
81 static int axgbe_if_tx_queues_alloc(if_ctx_t, caddr_t *, uint64_t *, int, int);
82 static int axgbe_if_rx_queues_alloc(if_ctx_t, caddr_t *, uint64_t *, int, int);
83 static int axgbe_alloc_channels(if_ctx_t);
84 static void axgbe_free_channels(struct axgbe_if_softc *);
85 static void axgbe_if_queues_free(if_ctx_t);
86 static int axgbe_if_tx_queue_intr_enable(if_ctx_t, uint16_t);
87 static int axgbe_if_rx_queue_intr_enable(if_ctx_t, uint16_t);
88 
89 /* Interrupt related routines */
90 static void axgbe_if_disable_intr(if_ctx_t);
91 static void axgbe_if_enable_intr(if_ctx_t);
92 static int axgbe_if_msix_intr_assign(if_ctx_t, int);
93 static void xgbe_free_intr(struct xgbe_prv_data *, struct resource *, void *, int);
94 
95 /* Init and Iflib routines */
96 static int axgbe_pci_init(struct xgbe_prv_data *);
97 static void axgbe_pci_stop(if_ctx_t);
98 static void xgbe_disable_rx_tx_int(struct xgbe_prv_data *, struct xgbe_channel *);
99 static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *);
100 static int axgbe_if_mtu_set(if_ctx_t, uint32_t);
101 static void axgbe_if_update_admin_status(if_ctx_t);
102 static void axgbe_if_media_status(if_ctx_t, struct ifmediareq *);
103 static int axgbe_if_media_change(if_ctx_t);
104 static int axgbe_if_promisc_set(if_ctx_t, int);
105 static uint64_t axgbe_if_get_counter(if_ctx_t, ift_counter);
106 static void axgbe_if_vlan_register(if_ctx_t, uint16_t);
107 static void axgbe_if_vlan_unregister(if_ctx_t, uint16_t);
108 #if __FreeBSD_version >= 1300000
109 static bool axgbe_if_needs_restart(if_ctx_t, enum iflib_restart_event);
110 #endif
111 static void axgbe_set_counts(if_ctx_t);
112 static void axgbe_init_iflib_softc_ctx(struct axgbe_if_softc *);
113 static void axgbe_initialize_rss_mapping(struct xgbe_prv_data *);
114 
115 /* MII interface registered functions */
116 static int axgbe_miibus_readreg(device_t, int, int);
117 static int axgbe_miibus_writereg(device_t, int, int, int);
118 static void axgbe_miibus_statchg(device_t);
119 
120 /* ISR routines */
121 static int axgbe_dev_isr(void *);
122 static void axgbe_ecc_isr(void *);
123 static void axgbe_i2c_isr(void *);
124 static void axgbe_an_isr(void *);
125 static int axgbe_msix_que(void *);
126 
127 /* Timer routines */
128 static void xgbe_service(void *, int);
129 static void xgbe_service_timer(void *);
130 static void xgbe_init_timers(struct xgbe_prv_data *);
131 static void xgbe_stop_timers(struct xgbe_prv_data *);
132 
133 /* Dump routines */
134 static void xgbe_dump_prop_registers(struct xgbe_prv_data *);
135 
136 /*
137  * Allocate only for MAC (BAR0) and PCS (BAR1) registers, and just point the
138  * MSI-X table bar  (BAR5) to iflib. iflib will do the allocation for MSI-X
139  * table.
140  */
141 static struct resource_spec axgbe_pci_mac_spec[] = {
142 	{ SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE }, /* MAC regs */
143 	{ SYS_RES_MEMORY, PCIR_BAR(1), RF_ACTIVE }, /* PCS regs */
144 	{ -1, 0 }
145 };
146 
147 static const pci_vendor_info_t axgbe_vendor_info_array[] =
148 {
149 	PVID(0x1022, 0x1458,  "AMD 10 Gigabit Ethernet Driver"),
150 	PVID(0x1022, 0x1459,  "AMD 10 Gigabit Ethernet Driver"),
151 	PVID_END
152 };
153 
154 static struct xgbe_version_data xgbe_v2a = {
155 	.init_function_ptrs_phy_impl    = xgbe_init_function_ptrs_phy_v2,
156 	.xpcs_access                    = XGBE_XPCS_ACCESS_V2,
157 	.mmc_64bit                      = 1,
158 	.tx_max_fifo_size               = 229376,
159 	.rx_max_fifo_size               = 229376,
160 	.tx_tstamp_workaround           = 1,
161 	.ecc_support                    = 1,
162 	.i2c_support                    = 1,
163 	.irq_reissue_support            = 1,
164 	.tx_desc_prefetch               = 5,
165 	.rx_desc_prefetch               = 5,
166 	.an_cdr_workaround              = 1,
167 };
168 
169 static struct xgbe_version_data xgbe_v2b = {
170 	.init_function_ptrs_phy_impl    = xgbe_init_function_ptrs_phy_v2,
171 	.xpcs_access                    = XGBE_XPCS_ACCESS_V2,
172 	.mmc_64bit                      = 1,
173 	.tx_max_fifo_size               = 65536,
174 	.rx_max_fifo_size               = 65536,
175 	.tx_tstamp_workaround           = 1,
176 	.ecc_support                    = 1,
177 	.i2c_support                    = 1,
178 	.irq_reissue_support            = 1,
179 	.tx_desc_prefetch               = 5,
180 	.rx_desc_prefetch               = 5,
181 	.an_cdr_workaround              = 1,
182 };
183 
184 /* Device Interface */
185 static device_method_t ax_methods[] = {
186 	DEVMETHOD(device_register, axgbe_register),
187 	DEVMETHOD(device_probe, iflib_device_probe),
188 	DEVMETHOD(device_attach, iflib_device_attach),
189 	DEVMETHOD(device_detach, iflib_device_detach),
190 	DEVMETHOD(device_shutdown, iflib_device_shutdown),
191 	DEVMETHOD(device_suspend, iflib_device_suspend),
192 	DEVMETHOD(device_resume, iflib_device_resume),
193 
194 	/* MII interface */
195 	DEVMETHOD(miibus_readreg, axgbe_miibus_readreg),
196 	DEVMETHOD(miibus_writereg, axgbe_miibus_writereg),
197 	DEVMETHOD(miibus_statchg, axgbe_miibus_statchg),
198 
199 	DEVMETHOD_END
200 };
201 
202 static driver_t ax_driver = {
203 	"ax", ax_methods, sizeof(struct axgbe_if_softc),
204 };
205 
206 DRIVER_MODULE(axp, pci, ax_driver, 0, 0);
207 DRIVER_MODULE(miibus, ax, miibus_driver, 0, 0);
208 IFLIB_PNP_INFO(pci, ax_driver, axgbe_vendor_info_array);
209 
210 MODULE_DEPEND(ax, pci, 1, 1, 1);
211 MODULE_DEPEND(ax, ether, 1, 1, 1);
212 MODULE_DEPEND(ax, iflib, 1, 1, 1);
213 MODULE_DEPEND(ax, miibus, 1, 1, 1);
214 
215 /* Iflib Interface */
216 static device_method_t axgbe_if_methods[] = {
217 	DEVMETHOD(ifdi_attach_pre, axgbe_if_attach_pre),
218 	DEVMETHOD(ifdi_attach_post, axgbe_if_attach_post),
219 	DEVMETHOD(ifdi_detach, axgbe_if_detach),
220 	DEVMETHOD(ifdi_init, axgbe_if_init),
221 	DEVMETHOD(ifdi_stop, axgbe_if_stop),
222 	DEVMETHOD(ifdi_msix_intr_assign, axgbe_if_msix_intr_assign),
223 	DEVMETHOD(ifdi_intr_enable, axgbe_if_enable_intr),
224 	DEVMETHOD(ifdi_intr_disable, axgbe_if_disable_intr),
225 	DEVMETHOD(ifdi_tx_queue_intr_enable, axgbe_if_tx_queue_intr_enable),
226 	DEVMETHOD(ifdi_rx_queue_intr_enable, axgbe_if_rx_queue_intr_enable),
227 	DEVMETHOD(ifdi_tx_queues_alloc, axgbe_if_tx_queues_alloc),
228 	DEVMETHOD(ifdi_rx_queues_alloc, axgbe_if_rx_queues_alloc),
229 	DEVMETHOD(ifdi_queues_free, axgbe_if_queues_free),
230 	DEVMETHOD(ifdi_update_admin_status, axgbe_if_update_admin_status),
231 	DEVMETHOD(ifdi_mtu_set, axgbe_if_mtu_set),
232 	DEVMETHOD(ifdi_media_status, axgbe_if_media_status),
233 	DEVMETHOD(ifdi_media_change, axgbe_if_media_change),
234 	DEVMETHOD(ifdi_promisc_set, axgbe_if_promisc_set),
235 	DEVMETHOD(ifdi_get_counter, axgbe_if_get_counter),
236 	DEVMETHOD(ifdi_vlan_register, axgbe_if_vlan_register),
237 	DEVMETHOD(ifdi_vlan_unregister, axgbe_if_vlan_unregister),
238 #if __FreeBSD_version >= 1300000
239 	DEVMETHOD(ifdi_needs_restart, axgbe_if_needs_restart),
240 #endif
241 	DEVMETHOD_END
242 };
243 
244 static driver_t axgbe_if_driver = {
245 	"axgbe_if", axgbe_if_methods, sizeof(struct axgbe_if_softc)
246 };
247 
248 /* Iflib Shared Context */
249 static struct if_shared_ctx axgbe_sctx_init = {
250 	.isc_magic = IFLIB_MAGIC,
251 	.isc_driver = &axgbe_if_driver,
252 	.isc_q_align = PAGE_SIZE,
253 	.isc_tx_maxsize = XGBE_TSO_MAX_SIZE + sizeof(struct ether_vlan_header),
254 	.isc_tx_maxsegsize = PAGE_SIZE,
255 	.isc_tso_maxsize = XGBE_TSO_MAX_SIZE + sizeof(struct ether_vlan_header),
256 	.isc_tso_maxsegsize = PAGE_SIZE,
257 	.isc_rx_maxsize = MJUM9BYTES,
258 	.isc_rx_maxsegsize = MJUM9BYTES,
259 	.isc_rx_nsegments = 1,
260 	.isc_admin_intrcnt = 4,
261 
262 	.isc_vendor_info = axgbe_vendor_info_array,
263 	.isc_driver_version = XGBE_DRV_VERSION,
264 
265 	.isc_ntxd_min = {XGBE_TX_DESC_CNT_MIN},
266 	.isc_ntxd_default = {XGBE_TX_DESC_CNT_DEFAULT},
267 	.isc_ntxd_max = {XGBE_TX_DESC_CNT_MAX},
268 
269 	.isc_ntxqs = 1,
270 	.isc_flags = IFLIB_TSO_INIT_IP | IFLIB_NEED_SCRATCH |
271 	    IFLIB_NEED_ZERO_CSUM | IFLIB_NEED_ETHER_PAD,
272 };
273 
274 static void *
axgbe_register(device_t dev)275 axgbe_register(device_t dev)
276 {
277 	int axgbe_nfl;
278 	int axgbe_nrxqs;
279 	int error, i;
280 	char *value = NULL;
281 
282 	value = kern_getenv("dev.ax.sph_enable");
283 	if (value) {
284 		axgbe_sph_enable = strtol(value, NULL, 10);
285 		freeenv(value);
286 	} else {
287 		/*
288 		 * No tunable found, generate one with default values
289 		 * Note: only a reboot will reveal the new kenv
290 		 */
291 		error = kern_setenv("dev.ax.sph_enable", "0");
292 		if (error) {
293 			printf("Error setting tunable, using default driver values\n");
294 		}
295 		axgbe_sph_enable = 0;
296 	}
297 
298 	if (!axgbe_sph_enable) {
299 		axgbe_nfl = 1;
300 		axgbe_nrxqs = 1;
301 	} else {
302 		axgbe_nfl = 2;
303 		axgbe_nrxqs = 2;
304 	}
305 
306 	axgbe_sctx_init.isc_nfl = axgbe_nfl;
307 	axgbe_sctx_init.isc_nrxqs = axgbe_nrxqs;
308 
309 	for (i = 0 ; i < axgbe_nrxqs ; i++) {
310 		axgbe_sctx_init.isc_nrxd_min[i] = XGBE_RX_DESC_CNT_MIN;
311 		axgbe_sctx_init.isc_nrxd_default[i] = XGBE_RX_DESC_CNT_DEFAULT;
312 		axgbe_sctx_init.isc_nrxd_max[i] = XGBE_RX_DESC_CNT_MAX;
313 	}
314 
315 	return (&axgbe_sctx_init);
316 }
317 
318 /* MII Interface Functions */
319 static int
axgbe_miibus_readreg(device_t dev,int phy,int reg)320 axgbe_miibus_readreg(device_t dev, int phy, int reg)
321 {
322 	struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
323 	struct xgbe_prv_data    *pdata = &sc->pdata;
324 	int val;
325 
326 	axgbe_printf(3, "%s: phy %d reg %d\n", __func__, phy, reg);
327 
328 	val = xgbe_phy_mii_read(pdata, phy, reg);
329 
330 	axgbe_printf(2, "%s: val 0x%x\n", __func__, val);
331 	return (val & 0xFFFF);
332 }
333 
334 static int
axgbe_miibus_writereg(device_t dev,int phy,int reg,int val)335 axgbe_miibus_writereg(device_t dev, int phy, int reg, int val)
336 {
337 	struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
338 	struct xgbe_prv_data    *pdata = &sc->pdata;
339 
340 	axgbe_printf(3, "%s: phy %d reg %d val 0x%x\n", __func__, phy, reg, val);
341 
342 	xgbe_phy_mii_write(pdata, phy, reg, val);
343 
344 	return(0);
345 }
346 
347 static void
axgbe_miibus_statchg(device_t dev)348 axgbe_miibus_statchg(device_t dev)
349 {
350         struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
351         struct xgbe_prv_data    *pdata = &sc->pdata;
352 	struct mii_data		*mii = device_get_softc(pdata->axgbe_miibus);
353 	if_t			 ifp = pdata->netdev;
354 	int bmsr;
355 
356 	axgbe_printf(2, "%s: Link %d/%d\n", __func__, pdata->phy.link,
357 	    pdata->phy_link);
358 
359 	if (mii == NULL || ifp == NULL ||
360 	    !iflib_is_running(sc->ctx))
361 		return;
362 
363 	if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
364 	    (IFM_ACTIVE | IFM_AVALID)) {
365 
366 		switch (IFM_SUBTYPE(mii->mii_media_active)) {
367 		case IFM_10_T:
368 		case IFM_100_TX:
369 			pdata->phy.link = 1;
370 			break;
371 		case IFM_1000_T:
372 		case IFM_1000_SX:
373 		case IFM_2500_SX:
374 			pdata->phy.link = 1;
375 			break;
376 		default:
377 			pdata->phy.link = 0;
378 			break;
379 		}
380 	} else
381 		pdata->phy_link = 0;
382 
383 	bmsr = axgbe_miibus_readreg(pdata->dev, pdata->mdio_addr, MII_BMSR);
384 	if (bmsr & BMSR_ANEG) {
385 
386 		axgbe_printf(2, "%s: Autoneg Done\n", __func__);
387 
388 		/* Raise AN Interrupt */
389 		XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_INTMASK,
390 		    XGBE_AN_CL73_INT_MASK);
391 	}
392 }
393 
394 static int
axgbe_if_attach_pre(if_ctx_t ctx)395 axgbe_if_attach_pre(if_ctx_t ctx)
396 {
397 	struct axgbe_if_softc	*sc;
398 	struct xgbe_prv_data	*pdata;
399 	struct resource		*mac_res[2];
400 	if_softc_ctx_t		scctx;
401 	if_shared_ctx_t		sctx;
402 	device_t		dev;
403 	device_t		rdev;
404 	unsigned int		ma_lo, ma_hi;
405 	unsigned int		reg;
406 	int			ret;
407 
408 	sc = iflib_get_softc(ctx);
409 	sc->pdata.dev = dev = iflib_get_dev(ctx);
410 	sc->sctx = sctx = iflib_get_sctx(ctx);
411 	sc->scctx = scctx = iflib_get_softc_ctx(ctx);
412 	sc->media = iflib_get_media(ctx);
413 	sc->ctx = ctx;
414 	sc->link_status = LINK_STATE_DOWN;
415 	pdata = &sc->pdata;
416 	pdata->netdev = iflib_get_ifp(ctx);
417 
418 	spin_lock_init(&pdata->xpcs_lock);
419 
420 	/* Initialize locks */
421         mtx_init(&pdata->rss_mutex, "xgbe rss mutex lock", NULL, MTX_DEF);
422 	mtx_init(&pdata->mdio_mutex, "xgbe MDIO mutex lock", NULL, MTX_SPIN);
423 
424 	/* Allocate VLAN bitmap */
425 	pdata->active_vlans = bit_alloc(VLAN_NVID, M_AXGBE, M_WAITOK|M_ZERO);
426 	pdata->num_active_vlans = 0;
427 
428 	/* Get the version data */
429 	DBGPR("%s: Device ID: 0x%x\n", __func__, pci_get_device(dev));
430 	if (pci_get_device(dev) == 0x1458)
431 		sc->pdata.vdata = &xgbe_v2a;
432 	else if (pci_get_device(dev) == 0x1459)
433 		sc->pdata.vdata = &xgbe_v2b;
434 
435 	/* PCI setup */
436         if (bus_alloc_resources(dev, axgbe_pci_mac_spec, mac_res)) {
437 		axgbe_error("Unable to allocate bus resources\n");
438 		ret = ENXIO;
439 		goto free_vlans;
440 	}
441 
442         sc->pdata.xgmac_res = mac_res[0];
443         sc->pdata.xpcs_res = mac_res[1];
444 
445 	/*
446 	 * Set the PCS indirect addressing definition registers.
447 	 * A newer version of the hardware is using the same PCI ids
448 	 * for the network device but has altered register definitions
449 	 * for determining the window settings for the indirect PCS access.
450 	 * This code checks hardware usage and uses the register values
451 	 * accordingly.
452 	 */
453 	rdev = pci_find_dbsf(0, 0, 0, 0);
454 	if (rdev && pci_get_device(rdev) == 0x15d0
455 		&& pci_get_vendor(rdev) == 0x1022) {
456 		pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF;
457 		pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT;
458 	} else {
459 		pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
460 		pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
461 	}
462 
463         /* Configure the PCS indirect addressing support */
464 	reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg);
465 	pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET);
466 	pdata->xpcs_window <<= 6;
467 	pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE);
468 	pdata->xpcs_window_size = 1 << (pdata->xpcs_window_size + 7);
469 	pdata->xpcs_window_mask = pdata->xpcs_window_size - 1;
470 	DBGPR("xpcs window def : %#010x\n",
471 	    pdata->xpcs_window_def_reg);
472 	DBGPR("xpcs window sel : %#010x\n",
473 	    pdata->xpcs_window_sel_reg);
474         DBGPR("xpcs window : %#010x\n",
475 	    pdata->xpcs_window);
476 	DBGPR("xpcs window size : %#010x\n",
477 	    pdata->xpcs_window_size);
478 	DBGPR("xpcs window mask : %#010x\n",
479 	    pdata->xpcs_window_mask);
480 
481 	/* Enable all interrupts in the hardware */
482         XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
483 
484 	/* Retrieve the MAC address */
485 	ma_lo = XP_IOREAD(pdata, XP_MAC_ADDR_LO);
486 	ma_hi = XP_IOREAD(pdata, XP_MAC_ADDR_HI);
487 	pdata->mac_addr[0] = ma_lo & 0xff;
488 	pdata->mac_addr[1] = (ma_lo >> 8) & 0xff;
489 	pdata->mac_addr[2] = (ma_lo >>16) & 0xff;
490 	pdata->mac_addr[3] = (ma_lo >> 24) & 0xff;
491 	pdata->mac_addr[4] = ma_hi & 0xff;
492 	pdata->mac_addr[5] = (ma_hi >> 8) & 0xff;
493 	if (!XP_GET_BITS(ma_hi, XP_MAC_ADDR_HI, VALID)) {
494 		axgbe_error("Invalid mac address\n");
495 		ret = EINVAL;
496 		goto release_bus_resource;
497 	}
498 	iflib_set_mac(ctx, pdata->mac_addr);
499 
500 	/* Clock settings */
501 	pdata->sysclk_rate = XGBE_V2_DMA_CLOCK_FREQ;
502 	pdata->ptpclk_rate = XGBE_V2_PTP_CLOCK_FREQ;
503 
504 	/* Set the DMA coherency values */
505 	pdata->coherent = 1;
506 	pdata->arcr = XGBE_DMA_PCI_ARCR;
507 	pdata->awcr = XGBE_DMA_PCI_AWCR;
508 	pdata->awarcr = XGBE_DMA_PCI_AWARCR;
509 
510 	/* Read the port property registers */
511 	pdata->pp0 = XP_IOREAD(pdata, XP_PROP_0);
512 	pdata->pp1 = XP_IOREAD(pdata, XP_PROP_1);
513 	pdata->pp2 = XP_IOREAD(pdata, XP_PROP_2);
514 	pdata->pp3 = XP_IOREAD(pdata, XP_PROP_3);
515 	pdata->pp4 = XP_IOREAD(pdata, XP_PROP_4);
516 	DBGPR("port property 0 = %#010x\n", pdata->pp0);
517 	DBGPR("port property 1 = %#010x\n", pdata->pp1);
518 	DBGPR("port property 2 = %#010x\n", pdata->pp2);
519 	DBGPR("port property 3 = %#010x\n", pdata->pp3);
520 	DBGPR("port property 4 = %#010x\n", pdata->pp4);
521 
522 	/* Set the maximum channels and queues */
523 	pdata->tx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
524 	    MAX_TX_DMA);
525 	pdata->rx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
526 	    MAX_RX_DMA);
527 	pdata->tx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
528 	    MAX_TX_QUEUES);
529 	pdata->rx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
530 	    MAX_RX_QUEUES);
531 	DBGPR("max tx/rx channel count = %u/%u\n",
532 	    pdata->tx_max_channel_count, pdata->rx_max_channel_count);
533 	DBGPR("max tx/rx hw queue count = %u/%u\n",
534 	    pdata->tx_max_q_count, pdata->rx_max_q_count);
535 
536 	axgbe_set_counts(ctx);
537 
538 	/* Set the maximum fifo amounts */
539         pdata->tx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
540                                               TX_FIFO_SIZE);
541         pdata->tx_max_fifo_size *= 16384;
542         pdata->tx_max_fifo_size = min(pdata->tx_max_fifo_size,
543                                       pdata->vdata->tx_max_fifo_size);
544         pdata->rx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
545                                               RX_FIFO_SIZE);
546         pdata->rx_max_fifo_size *= 16384;
547         pdata->rx_max_fifo_size = min(pdata->rx_max_fifo_size,
548                                       pdata->vdata->rx_max_fifo_size);
549 	DBGPR("max tx/rx max fifo size = %u/%u\n",
550 	    pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
551 
552 	/* Initialize IFLIB if_softc_ctx_t */
553 	axgbe_init_iflib_softc_ctx(sc);
554 
555 	TASK_INIT(&pdata->service_work, 0, xgbe_service, pdata);
556 
557 	/* create the workqueue */
558 	pdata->dev_workqueue = taskqueue_create("axgbe", M_WAITOK,
559 	    taskqueue_thread_enqueue, &pdata->dev_workqueue);
560 	ret = taskqueue_start_threads(&pdata->dev_workqueue, 1, PI_NET,
561 	    "axgbe dev taskq");
562 	if (ret) {
563 		axgbe_error("Unable to start taskqueue\n");
564 		ret = ENOMEM;
565 		goto free_task_queue;
566 	}
567 
568 	/* Init timers */
569 	xgbe_init_timers(pdata);
570 
571         return (0);
572 
573 free_task_queue:
574 	taskqueue_free(pdata->dev_workqueue);
575 
576 release_bus_resource:
577         bus_release_resources(dev, axgbe_pci_mac_spec, mac_res);
578 
579 free_vlans:
580 	free(pdata->active_vlans, M_AXGBE);
581 	pdata->active_vlans = NULL;
582 	mtx_destroy(&pdata->xpcs_lock);
583 	mtx_destroy(&pdata->rss_mutex);
584 	mtx_destroy(&pdata->mdio_mutex);
585 
586 	return (ret);
587 } /* axgbe_if_attach_pre */
588 
589 static void
xgbe_init_all_fptrs(struct xgbe_prv_data * pdata)590 xgbe_init_all_fptrs(struct xgbe_prv_data *pdata)
591 {
592 	xgbe_init_function_ptrs_dev(&pdata->hw_if);
593 	xgbe_init_function_ptrs_phy(&pdata->phy_if);
594         xgbe_init_function_ptrs_i2c(&pdata->i2c_if);
595 	xgbe_init_function_ptrs_desc(&pdata->desc_if);
596 
597         pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if);
598 }
599 
600 static void
axgbe_set_counts(if_ctx_t ctx)601 axgbe_set_counts(if_ctx_t ctx)
602 {
603 	struct axgbe_if_softc *sc = iflib_get_softc(ctx);
604 	struct xgbe_prv_data *pdata = &sc->pdata;
605 	cpuset_t lcpus;
606 
607 	/* Set all function pointers */
608 	xgbe_init_all_fptrs(pdata);
609 
610 	/* Populate the hardware features */
611 	xgbe_get_all_hw_features(pdata);
612 
613 	if (!pdata->tx_max_channel_count)
614 		pdata->tx_max_channel_count = pdata->hw_feat.tx_ch_cnt;
615 	if (!pdata->rx_max_channel_count)
616 		pdata->rx_max_channel_count = pdata->hw_feat.rx_ch_cnt;
617 
618 	if (!pdata->tx_max_q_count)
619 		pdata->tx_max_q_count = pdata->hw_feat.tx_q_cnt;
620 	if (!pdata->rx_max_q_count)
621 		pdata->rx_max_q_count = pdata->hw_feat.rx_q_cnt;
622 
623 	/*
624 	 * Calculate the number of Tx and Rx rings to be created
625 	 *  -Tx (DMA) Channels map 1-to-1 to Tx Queues so set
626 	 *   the number of Tx queues to the number of Tx channels
627 	 *   enabled
628 	 *  -Rx (DMA) Channels do not map 1-to-1 so use the actual
629 	 *   number of Rx queues or maximum allowed
630 	 */
631 
632 	if (bus_get_cpus(pdata->dev, INTR_CPUS, sizeof(lcpus), &lcpus) != 0) {
633                 axgbe_error("Unable to fetch CPU list\n");
634                 /* TODO - handle CPU_COPY(&all_cpus, &lcpus); */
635         }
636 
637 	DBGPR("ncpu %d intrcpu %d\n", mp_ncpus, CPU_COUNT(&lcpus));
638 
639 	pdata->tx_ring_count = min(CPU_COUNT(&lcpus), pdata->hw_feat.tx_ch_cnt);
640 	pdata->tx_ring_count = min(pdata->tx_ring_count,
641 	    pdata->tx_max_channel_count);
642 	pdata->tx_ring_count = min(pdata->tx_ring_count, pdata->tx_max_q_count);
643 
644 	pdata->tx_q_count = pdata->tx_ring_count;
645 
646 	pdata->rx_ring_count = min(CPU_COUNT(&lcpus), pdata->hw_feat.rx_ch_cnt);
647 	pdata->rx_ring_count = min(pdata->rx_ring_count,
648 	    pdata->rx_max_channel_count);
649 
650 	pdata->rx_q_count = min(pdata->hw_feat.rx_q_cnt, pdata->rx_max_q_count);
651 
652 	DBGPR("TX/RX max channel count = %u/%u\n",
653 	    pdata->tx_max_channel_count, pdata->rx_max_channel_count);
654 	DBGPR("TX/RX max queue count = %u/%u\n",
655 	    pdata->tx_max_q_count, pdata->rx_max_q_count);
656 	DBGPR("TX/RX DMA ring count = %u/%u\n",
657 	    pdata->tx_ring_count, pdata->rx_ring_count);
658 	DBGPR("TX/RX hardware queue count = %u/%u\n",
659 	    pdata->tx_q_count, pdata->rx_q_count);
660 } /* axgbe_set_counts */
661 
662 static void
axgbe_init_iflib_softc_ctx(struct axgbe_if_softc * sc)663 axgbe_init_iflib_softc_ctx(struct axgbe_if_softc *sc)
664 {
665 	struct xgbe_prv_data *pdata = &sc->pdata;
666 	if_softc_ctx_t scctx = sc->scctx;
667 	if_shared_ctx_t sctx = sc->sctx;
668 	int i;
669 
670 	scctx->isc_nrxqsets = pdata->rx_q_count;
671 	scctx->isc_ntxqsets = pdata->tx_q_count;
672 	scctx->isc_msix_bar = pci_msix_table_bar(pdata->dev);
673 	scctx->isc_tx_nsegments = 32;
674 
675 	for (i = 0; i < sctx->isc_ntxqs; i++) {
676 		scctx->isc_txqsizes[i] =
677 		    roundup2(scctx->isc_ntxd[i] * sizeof(struct xgbe_ring_desc),
678 		    128);
679 		scctx->isc_txd_size[i] = sizeof(struct xgbe_ring_desc);
680 	}
681 
682 	for (i = 0; i < sctx->isc_nrxqs; i++) {
683 		scctx->isc_rxqsizes[i] =
684 		    roundup2(scctx->isc_nrxd[i] * sizeof(struct xgbe_ring_desc),
685 		    128);
686 		scctx->isc_rxd_size[i] = sizeof(struct xgbe_ring_desc);
687 	}
688 
689 	scctx->isc_tx_tso_segments_max = 32;
690 	scctx->isc_tx_tso_size_max = XGBE_TSO_MAX_SIZE;
691 	scctx->isc_tx_tso_segsize_max = PAGE_SIZE;
692 
693 	/*
694 	 * Set capabilities
695 	 * 1) IFLIB automatically adds IFCAP_HWSTATS, so need to set explicitly
696 	 * 2) isc_tx_csum_flags is mandatory if IFCAP_TXCSUM (included in
697 	 *    IFCAP_HWCSUM) is set
698 	 */
699 	scctx->isc_tx_csum_flags = (CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_SCTP |
700 	    CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_SCTP_IPV6 |
701 	    CSUM_TSO);
702 	scctx->isc_capenable = (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 |
703 	    IFCAP_JUMBO_MTU |
704 	    IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWFILTER |
705 	    IFCAP_VLAN_HWCSUM |
706 	    IFCAP_TSO | IFCAP_VLAN_HWTSO);
707 	scctx->isc_capabilities = scctx->isc_capenable;
708 
709 	/*
710 	 * Set rss_table_size alone when adding RSS support. rss_table_mask
711 	 * will be set by IFLIB based on rss_table_size
712 	 */
713 	scctx->isc_rss_table_size = XGBE_RSS_MAX_TABLE_SIZE;
714 
715 	scctx->isc_ntxqsets_max = XGBE_MAX_QUEUES;
716 	scctx->isc_nrxqsets_max = XGBE_MAX_QUEUES;
717 
718 	scctx->isc_txrx = &axgbe_txrx;
719 }
720 
721 static void
axgbe_initialize_rss_mapping(struct xgbe_prv_data * pdata)722 axgbe_initialize_rss_mapping(struct xgbe_prv_data *pdata)
723 {
724 	int i;
725 
726 #ifdef	RSS
727 	int	qid;
728 	uint32_t	rss_hash_config = 0;
729 #endif
730 
731 	/* Get RSS key independently of software RSS queue placement. */
732 	_Static_assert(sizeof(pdata->rss_key) == RSS_KEYSIZE,
733 	    "RSS key size mismatch");
734 	rss_getkey((uint8_t *)&pdata->rss_key);
735 
736 #ifdef	RSS
737 	rss_hash_config = rss_gethashconfig();
738 
739 	if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4)
740 		XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, IP2TE, 1);
741 	if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4)
742 		XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, TCP4TE, 1);
743 	if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4)
744 		XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1);
745 #else
746 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, IP2TE, 1);
747 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, TCP4TE, 1);
748 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1);
749 #endif
750 
751 	/* Setup RSS lookup table */
752 	for (i = 0; i < XGBE_RSS_MAX_TABLE_SIZE; i++) {
753 #ifdef	RSS
754 		qid = rss_get_indirection_to_bucket(i) % pdata->rx_ring_count;
755 		XGMAC_SET_BITS(pdata->rss_table[i], MAC_RSSDR, DMCH, qid);
756 #else
757 		XGMAC_SET_BITS(pdata->rss_table[i], MAC_RSSDR, DMCH,
758 				i % pdata->rx_ring_count);
759 #endif
760 	}
761 
762 }
763 
764 static int
axgbe_alloc_channels(if_ctx_t ctx)765 axgbe_alloc_channels(if_ctx_t ctx)
766 {
767 	struct axgbe_if_softc 	*sc = iflib_get_softc(ctx);
768 	struct xgbe_prv_data	*pdata = &sc->pdata;
769 	struct xgbe_channel	*channel;
770 	int i, j, count;
771 
772 	DBGPR("%s: txqs %d rxqs %d\n", __func__, pdata->tx_ring_count,
773 	    pdata->rx_ring_count);
774 
775 	/* Iflibe sets based on isc_ntxqsets/nrxqsets */
776 	count = max_t(unsigned int, pdata->tx_ring_count, pdata->rx_ring_count);
777 
778 	/* Allocate channel memory */
779 	for (i = 0; i < count ; i++) {
780 		channel = (struct xgbe_channel*)malloc(sizeof(struct xgbe_channel),
781 		    M_AXGBE, M_NOWAIT | M_ZERO);
782 
783 		if (channel == NULL) {
784 			for (j = 0; j < i; j++) {
785 				free(pdata->channel[j], M_AXGBE);
786 				pdata->channel[j] = NULL;
787 			}
788 			return (ENOMEM);
789 		}
790 
791 		pdata->channel[i] = channel;
792 	}
793 
794 	pdata->total_channel_count = count;
795 	DBGPR("Channel count set to: %u\n", pdata->total_channel_count);
796 
797 	for (i = 0; i < count; i++) {
798 
799 		channel = pdata->channel[i];
800 		snprintf(channel->name, sizeof(channel->name), "channel-%d",i);
801 
802 		channel->pdata = pdata;
803 		channel->queue_index = i;
804 		channel->dma_tag = rman_get_bustag(pdata->xgmac_res);
805 		bus_space_subregion(channel->dma_tag,
806 		    rman_get_bushandle(pdata->xgmac_res),
807 		    DMA_CH_BASE + (DMA_CH_INC * i), DMA_CH_INC,
808 		    &channel->dma_handle);
809 		channel->tx_ring = NULL;
810 		channel->rx_ring = NULL;
811 	}
812 
813 	return (0);
814 } /* axgbe_alloc_channels */
815 
816 static void
axgbe_free_channels(struct axgbe_if_softc * sc)817 axgbe_free_channels(struct axgbe_if_softc *sc)
818 {
819 	struct xgbe_prv_data	*pdata = &sc->pdata;
820 	int i;
821 
822 	for (i = 0; i < pdata->total_channel_count ; i++) {
823 		free(pdata->channel[i], M_AXGBE);
824 		pdata->channel[i] = NULL;
825 	}
826 
827 	pdata->total_channel_count = 0;
828 	pdata->channel_count = 0;
829 }
830 
831 static void
xgbe_service(void * ctx,int pending)832 xgbe_service(void *ctx, int pending)
833 {
834         struct xgbe_prv_data *pdata = ctx;
835 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)pdata;
836 	bool prev_state = false;
837 
838 	/* Get previous link status */
839 	prev_state = pdata->phy.link;
840 
841         pdata->phy_if.phy_status(pdata);
842 
843 	if (prev_state != pdata->phy.link) {
844 		pdata->phy_link = pdata->phy.link;
845 		axgbe_if_update_admin_status(sc->ctx);
846 	}
847 
848         callout_reset(&pdata->service_timer, 1*hz, xgbe_service_timer, pdata);
849 }
850 
851 static void
xgbe_service_timer(void * data)852 xgbe_service_timer(void *data)
853 {
854         struct xgbe_prv_data *pdata = data;
855 
856         taskqueue_enqueue(pdata->dev_workqueue, &pdata->service_work);
857 }
858 
859 static void
xgbe_init_timers(struct xgbe_prv_data * pdata)860 xgbe_init_timers(struct xgbe_prv_data *pdata)
861 {
862         callout_init(&pdata->service_timer, 1);
863 }
864 
865 static void
xgbe_start_timers(struct xgbe_prv_data * pdata)866 xgbe_start_timers(struct xgbe_prv_data *pdata)
867 {
868 	callout_reset(&pdata->service_timer, 1*hz, xgbe_service_timer, pdata);
869 }
870 
871 static void
xgbe_stop_timers(struct xgbe_prv_data * pdata)872 xgbe_stop_timers(struct xgbe_prv_data *pdata)
873 {
874         callout_drain(&pdata->service_timer);
875         callout_stop(&pdata->service_timer);
876 }
877 
878 static void
xgbe_dump_phy_registers(struct xgbe_prv_data * pdata)879 xgbe_dump_phy_registers(struct xgbe_prv_data *pdata)
880 {
881         axgbe_printf(1, "\n************* PHY Reg dump *********************\n");
882 
883         axgbe_printf(1, "PCS Control Reg (%#06x) = %#06x\n", MDIO_CTRL1,
884             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1));
885         axgbe_printf(1, "PCS Status Reg (%#06x) = %#06x\n", MDIO_STAT1,
886             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1));
887         axgbe_printf(1, "Phy Id (PHYS ID 1 %#06x)= %#06x\n", MDIO_DEVID1,
888             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID1));
889         axgbe_printf(1, "Phy Id (PHYS ID 2 %#06x)= %#06x\n", MDIO_DEVID2,
890             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID2));
891         axgbe_printf(1, "Devices in Package (%#06x)= %#06x\n", MDIO_DEVS1,
892             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS1));
893         axgbe_printf(1, "Devices in Package (%#06x)= %#06x\n", MDIO_DEVS2,
894             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS2));
895         axgbe_printf(1, "Auto-Neg Control Reg (%#06x) = %#06x\n", MDIO_CTRL1,
896             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1));
897         axgbe_printf(1, "Auto-Neg Status Reg (%#06x) = %#06x\n", MDIO_STAT1,
898             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_STAT1));
899         axgbe_printf(1, "Auto-Neg Ad Reg 1 (%#06x) = %#06x\n",
900             MDIO_AN_ADVERTISE,
901             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE));
902         axgbe_printf(1, "Auto-Neg Ad Reg 2 (%#06x) = %#06x\n",
903             MDIO_AN_ADVERTISE + 1,
904             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1));
905         axgbe_printf(1, "Auto-Neg Ad Reg 3 (%#06x) = %#06x\n",
906             MDIO_AN_ADVERTISE + 2,
907             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2));
908         axgbe_printf(1, "Auto-Neg Completion Reg (%#06x) = %#06x\n",
909             MDIO_AN_COMP_STAT,
910             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_COMP_STAT));
911 
912         axgbe_printf(1, "\n************************************************\n");
913 }
914 
915 static void
xgbe_dump_prop_registers(struct xgbe_prv_data * pdata)916 xgbe_dump_prop_registers(struct xgbe_prv_data *pdata)
917 {
918 	int i;
919 
920         axgbe_printf(1, "\n************* PROP Reg dump ********************\n");
921 
922 	for (i = 0 ; i < 38 ; i++) {
923 		axgbe_printf(1, "PROP Offset 0x%08x = %08x\n",
924 		    (XP_PROP_0 + (i * 4)), XP_IOREAD(pdata,
925 		    (XP_PROP_0 + (i * 4))));
926 	}
927 }
928 
929 static void
xgbe_dump_dma_registers(struct xgbe_prv_data * pdata,int ch)930 xgbe_dump_dma_registers(struct xgbe_prv_data *pdata, int ch)
931 {
932 	struct xgbe_channel     *channel;
933 	int i;
934 
935         axgbe_printf(1, "\n************* DMA Reg dump *********************\n");
936 
937         axgbe_printf(1, "DMA MR Reg (%08x) = %08x\n", DMA_MR,
938            XGMAC_IOREAD(pdata, DMA_MR));
939         axgbe_printf(1, "DMA SBMR Reg (%08x) = %08x\n", DMA_SBMR,
940            XGMAC_IOREAD(pdata, DMA_SBMR));
941         axgbe_printf(1, "DMA ISR Reg (%08x) = %08x\n", DMA_ISR,
942            XGMAC_IOREAD(pdata, DMA_ISR));
943         axgbe_printf(1, "DMA AXIARCR Reg (%08x) = %08x\n", DMA_AXIARCR,
944            XGMAC_IOREAD(pdata, DMA_AXIARCR));
945         axgbe_printf(1, "DMA AXIAWCR Reg (%08x) = %08x\n", DMA_AXIAWCR,
946            XGMAC_IOREAD(pdata, DMA_AXIAWCR));
947         axgbe_printf(1, "DMA AXIAWARCR Reg (%08x) = %08x\n", DMA_AXIAWARCR,
948            XGMAC_IOREAD(pdata, DMA_AXIAWARCR));
949         axgbe_printf(1, "DMA DSR0 Reg (%08x) = %08x\n", DMA_DSR0,
950            XGMAC_IOREAD(pdata, DMA_DSR0));
951         axgbe_printf(1, "DMA DSR1 Reg (%08x) = %08x\n", DMA_DSR1,
952            XGMAC_IOREAD(pdata, DMA_DSR1));
953         axgbe_printf(1, "DMA DSR2 Reg (%08x) = %08x\n", DMA_DSR2,
954            XGMAC_IOREAD(pdata, DMA_DSR2));
955         axgbe_printf(1, "DMA DSR3 Reg (%08x) = %08x\n", DMA_DSR3,
956            XGMAC_IOREAD(pdata, DMA_DSR3));
957         axgbe_printf(1, "DMA DSR4 Reg (%08x) = %08x\n", DMA_DSR4,
958            XGMAC_IOREAD(pdata, DMA_DSR4));
959         axgbe_printf(1, "DMA TXEDMACR Reg (%08x) = %08x\n", DMA_TXEDMACR,
960            XGMAC_IOREAD(pdata, DMA_TXEDMACR));
961         axgbe_printf(1, "DMA RXEDMACR Reg (%08x) = %08x\n", DMA_RXEDMACR,
962            XGMAC_IOREAD(pdata, DMA_RXEDMACR));
963 
964 	for (i = 0 ; i < 8 ; i++ ) {
965 
966 		if (ch >= 0) {
967 			if (i != ch)
968 				continue;
969 		}
970 
971 		channel = pdata->channel[i];
972 
973         	axgbe_printf(1, "\n************* DMA CH %d dump ****************\n", i);
974 
975         	axgbe_printf(1, "DMA_CH_CR Reg (%08x) = %08x\n",
976 		    DMA_CH_CR, XGMAC_DMA_IOREAD(channel, DMA_CH_CR));
977         	axgbe_printf(1, "DMA_CH_TCR Reg (%08x) = %08x\n",
978 		    DMA_CH_TCR, XGMAC_DMA_IOREAD(channel, DMA_CH_TCR));
979         	axgbe_printf(1, "DMA_CH_RCR Reg (%08x) = %08x\n",
980 		    DMA_CH_RCR, XGMAC_DMA_IOREAD(channel, DMA_CH_RCR));
981         	axgbe_printf(1, "DMA_CH_TDLR_HI Reg (%08x) = %08x\n",
982 		    DMA_CH_TDLR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_TDLR_HI));
983         	axgbe_printf(1, "DMA_CH_TDLR_LO Reg (%08x) = %08x\n",
984 		    DMA_CH_TDLR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDLR_LO));
985         	axgbe_printf(1, "DMA_CH_RDLR_HI Reg (%08x) = %08x\n",
986 		    DMA_CH_RDLR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_RDLR_HI));
987         	axgbe_printf(1, "DMA_CH_RDLR_LO Reg (%08x) = %08x\n",
988 		    DMA_CH_RDLR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDLR_LO));
989         	axgbe_printf(1, "DMA_CH_TDTR_LO Reg (%08x) = %08x\n",
990 		    DMA_CH_TDTR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDTR_LO));
991         	axgbe_printf(1, "DMA_CH_RDTR_LO Reg (%08x) = %08x\n",
992 		    DMA_CH_RDTR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDTR_LO));
993         	axgbe_printf(1, "DMA_CH_TDRLR Reg (%08x) = %08x\n",
994 		    DMA_CH_TDRLR, XGMAC_DMA_IOREAD(channel, DMA_CH_TDRLR));
995         	axgbe_printf(1, "DMA_CH_RDRLR Reg (%08x) = %08x\n",
996 		    DMA_CH_RDRLR, XGMAC_DMA_IOREAD(channel, DMA_CH_RDRLR));
997         	axgbe_printf(1, "DMA_CH_IER Reg (%08x) = %08x\n",
998 		    DMA_CH_IER, XGMAC_DMA_IOREAD(channel, DMA_CH_IER));
999         	axgbe_printf(1, "DMA_CH_RIWT Reg (%08x) = %08x\n",
1000 		    DMA_CH_RIWT, XGMAC_DMA_IOREAD(channel, DMA_CH_RIWT));
1001         	axgbe_printf(1, "DMA_CH_CATDR_LO Reg (%08x) = %08x\n",
1002 		    DMA_CH_CATDR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CATDR_LO));
1003         	axgbe_printf(1, "DMA_CH_CARDR_LO Reg (%08x) = %08x\n",
1004 		    DMA_CH_CARDR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CARDR_LO));
1005         	axgbe_printf(1, "DMA_CH_CATBR_HI Reg (%08x) = %08x\n",
1006 		    DMA_CH_CATBR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_CATBR_HI));
1007         	axgbe_printf(1, "DMA_CH_CATBR_LO Reg (%08x) = %08x\n",
1008 		    DMA_CH_CATBR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CATBR_LO));
1009         	axgbe_printf(1, "DMA_CH_CARBR_HI Reg (%08x) = %08x\n",
1010 		    DMA_CH_CARBR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_CARBR_HI));
1011         	axgbe_printf(1, "DMA_CH_CARBR_LO Reg (%08x) = %08x\n",
1012 		    DMA_CH_CARBR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CARBR_LO));
1013         	axgbe_printf(1, "DMA_CH_SR Reg (%08x) = %08x\n",
1014 		    DMA_CH_SR, XGMAC_DMA_IOREAD(channel, DMA_CH_SR));
1015         	axgbe_printf(1, "DMA_CH_DSR Reg (%08x) = %08x\n",
1016 		    DMA_CH_DSR,	XGMAC_DMA_IOREAD(channel, DMA_CH_DSR));
1017         	axgbe_printf(1, "DMA_CH_DCFL Reg (%08x) = %08x\n",
1018 		    DMA_CH_DCFL, XGMAC_DMA_IOREAD(channel, DMA_CH_DCFL));
1019         	axgbe_printf(1, "DMA_CH_MFC Reg (%08x) = %08x\n",
1020 		    DMA_CH_MFC, XGMAC_DMA_IOREAD(channel, DMA_CH_MFC));
1021         	axgbe_printf(1, "DMA_CH_TDTRO Reg (%08x) = %08x\n",
1022 		    DMA_CH_TDTRO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDTRO));
1023         	axgbe_printf(1, "DMA_CH_RDTRO Reg (%08x) = %08x\n",
1024 		    DMA_CH_RDTRO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDTRO));
1025         	axgbe_printf(1, "DMA_CH_TDWRO Reg (%08x) = %08x\n",
1026 		    DMA_CH_TDWRO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDWRO));
1027         	axgbe_printf(1, "DMA_CH_RDWRO Reg (%08x) = %08x\n",
1028 		    DMA_CH_RDWRO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDWRO));
1029 	}
1030 }
1031 
1032 static void
xgbe_dump_mtl_registers(struct xgbe_prv_data * pdata)1033 xgbe_dump_mtl_registers(struct xgbe_prv_data *pdata)
1034 {
1035 	int i;
1036 
1037         axgbe_printf(1, "\n************* MTL Reg dump *********************\n");
1038 
1039         axgbe_printf(1, "MTL OMR Reg (%08x) = %08x\n", MTL_OMR,
1040            XGMAC_IOREAD(pdata, MTL_OMR));
1041         axgbe_printf(1, "MTL FDCR Reg (%08x) = %08x\n", MTL_FDCR,
1042            XGMAC_IOREAD(pdata, MTL_FDCR));
1043         axgbe_printf(1, "MTL FDSR Reg (%08x) = %08x\n", MTL_FDSR,
1044            XGMAC_IOREAD(pdata, MTL_FDSR));
1045         axgbe_printf(1, "MTL FDDR Reg (%08x) = %08x\n", MTL_FDDR,
1046            XGMAC_IOREAD(pdata, MTL_FDDR));
1047         axgbe_printf(1, "MTL ISR Reg (%08x) = %08x\n", MTL_ISR,
1048            XGMAC_IOREAD(pdata, MTL_ISR));
1049         axgbe_printf(1, "MTL RQDCM0R Reg (%08x) = %08x\n", MTL_RQDCM0R,
1050            XGMAC_IOREAD(pdata, MTL_RQDCM0R));
1051         axgbe_printf(1, "MTL RQDCM1R Reg (%08x) = %08x\n", MTL_RQDCM1R,
1052            XGMAC_IOREAD(pdata, MTL_RQDCM1R));
1053         axgbe_printf(1, "MTL RQDCM2R Reg (%08x) = %08x\n", MTL_RQDCM2R,
1054            XGMAC_IOREAD(pdata, MTL_RQDCM2R));
1055         axgbe_printf(1, "MTL TCPM0R Reg (%08x) = %08x\n", MTL_TCPM0R,
1056            XGMAC_IOREAD(pdata, MTL_TCPM0R));
1057         axgbe_printf(1, "MTL TCPM1R Reg (%08x) = %08x\n", MTL_TCPM1R,
1058            XGMAC_IOREAD(pdata, MTL_TCPM1R));
1059 
1060 	for (i = 0 ; i < 8 ; i++ ) {
1061 
1062         	axgbe_printf(1, "\n************* MTL CH %d dump ****************\n", i);
1063 
1064         	axgbe_printf(1, "MTL_Q_TQOMR Reg (%08x) = %08x\n",
1065 		    MTL_Q_TQOMR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQOMR));
1066         	axgbe_printf(1, "MTL_Q_TQUR Reg (%08x) = %08x\n",
1067 		    MTL_Q_TQUR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQUR));
1068         	axgbe_printf(1, "MTL_Q_TQDR Reg (%08x) = %08x\n",
1069 		    MTL_Q_TQDR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQDR));
1070         	axgbe_printf(1, "MTL_Q_TC0ETSCR Reg (%08x) = %08x\n",
1071 		    MTL_Q_TC0ETSCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0ETSCR));
1072         	axgbe_printf(1, "MTL_Q_TC0ETSSR Reg (%08x) = %08x\n",
1073 		    MTL_Q_TC0ETSSR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0ETSSR));
1074         	axgbe_printf(1, "MTL_Q_TC0QWR Reg (%08x) = %08x\n",
1075 		    MTL_Q_TC0QWR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0QWR));
1076 
1077         	axgbe_printf(1, "MTL_Q_RQOMR Reg (%08x) = %08x\n",
1078 		    MTL_Q_RQOMR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQOMR));
1079         	axgbe_printf(1, "MTL_Q_RQMPOCR Reg (%08x) = %08x\n",
1080 		    MTL_Q_RQMPOCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQMPOCR));
1081         	axgbe_printf(1, "MTL_Q_RQDR Reg (%08x) = %08x\n",
1082 		    MTL_Q_RQDR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQDR));
1083         	axgbe_printf(1, "MTL_Q_RQCR Reg (%08x) = %08x\n",
1084 		    MTL_Q_RQCR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQCR));
1085         	axgbe_printf(1, "MTL_Q_RQFCR Reg (%08x) = %08x\n",
1086 		    MTL_Q_RQFCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQFCR));
1087         	axgbe_printf(1, "MTL_Q_IER Reg (%08x) = %08x\n",
1088 		    MTL_Q_IER, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_IER));
1089         	axgbe_printf(1, "MTL_Q_ISR Reg (%08x) = %08x\n",
1090 		    MTL_Q_ISR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_ISR));
1091 	}
1092 }
1093 
1094 static void
xgbe_dump_mac_registers(struct xgbe_prv_data * pdata)1095 xgbe_dump_mac_registers(struct xgbe_prv_data *pdata)
1096 {
1097         axgbe_printf(1, "\n************* MAC Reg dump **********************\n");
1098 
1099         axgbe_printf(1, "MAC TCR Reg (%08x) = %08x\n", MAC_TCR,
1100            XGMAC_IOREAD(pdata, MAC_TCR));
1101         axgbe_printf(1, "MAC RCR Reg (%08x) = %08x\n", MAC_RCR,
1102            XGMAC_IOREAD(pdata, MAC_RCR));
1103         axgbe_printf(1, "MAC PFR Reg (%08x) = %08x\n", MAC_PFR,
1104            XGMAC_IOREAD(pdata, MAC_PFR));
1105         axgbe_printf(1, "MAC WTR Reg (%08x) = %08x\n", MAC_WTR,
1106            XGMAC_IOREAD(pdata, MAC_WTR));
1107         axgbe_printf(1, "MAC HTR0 Reg (%08x) = %08x\n", MAC_HTR0,
1108            XGMAC_IOREAD(pdata, MAC_HTR0));
1109         axgbe_printf(1, "MAC HTR1 Reg (%08x) = %08x\n", MAC_HTR1,
1110            XGMAC_IOREAD(pdata, MAC_HTR1));
1111         axgbe_printf(1, "MAC HTR2 Reg (%08x) = %08x\n", MAC_HTR2,
1112            XGMAC_IOREAD(pdata, MAC_HTR2));
1113         axgbe_printf(1, "MAC HTR3 Reg (%08x) = %08x\n", MAC_HTR3,
1114            XGMAC_IOREAD(pdata, MAC_HTR3));
1115         axgbe_printf(1, "MAC HTR4 Reg (%08x) = %08x\n", MAC_HTR4,
1116            XGMAC_IOREAD(pdata, MAC_HTR4));
1117         axgbe_printf(1, "MAC HTR5 Reg (%08x) = %08x\n", MAC_HTR5,
1118            XGMAC_IOREAD(pdata, MAC_HTR5));
1119         axgbe_printf(1, "MAC HTR6 Reg (%08x) = %08x\n", MAC_HTR6,
1120            XGMAC_IOREAD(pdata, MAC_HTR6));
1121         axgbe_printf(1, "MAC HTR7 Reg (%08x) = %08x\n", MAC_HTR7,
1122            XGMAC_IOREAD(pdata, MAC_HTR7));
1123         axgbe_printf(1, "MAC VLANTR Reg (%08x) = %08x\n", MAC_VLANTR,
1124            XGMAC_IOREAD(pdata, MAC_VLANTR));
1125         axgbe_printf(1, "MAC VLANHTR Reg (%08x) = %08x\n", MAC_VLANHTR,
1126            XGMAC_IOREAD(pdata, MAC_VLANHTR));
1127         axgbe_printf(1, "MAC VLANIR Reg (%08x) = %08x\n", MAC_VLANIR,
1128            XGMAC_IOREAD(pdata, MAC_VLANIR));
1129         axgbe_printf(1, "MAC IVLANIR Reg (%08x) = %08x\n", MAC_IVLANIR,
1130            XGMAC_IOREAD(pdata, MAC_IVLANIR));
1131         axgbe_printf(1, "MAC RETMR Reg (%08x) = %08x\n", MAC_RETMR,
1132            XGMAC_IOREAD(pdata, MAC_RETMR));
1133         axgbe_printf(1, "MAC Q0TFCR Reg (%08x) = %08x\n", MAC_Q0TFCR,
1134            XGMAC_IOREAD(pdata, MAC_Q0TFCR));
1135         axgbe_printf(1, "MAC Q1TFCR Reg (%08x) = %08x\n", MAC_Q1TFCR,
1136            XGMAC_IOREAD(pdata, MAC_Q1TFCR));
1137         axgbe_printf(1, "MAC Q2TFCR Reg (%08x) = %08x\n", MAC_Q2TFCR,
1138            XGMAC_IOREAD(pdata, MAC_Q2TFCR));
1139         axgbe_printf(1, "MAC Q3TFCR Reg (%08x) = %08x\n", MAC_Q3TFCR,
1140            XGMAC_IOREAD(pdata, MAC_Q3TFCR));
1141         axgbe_printf(1, "MAC Q4TFCR Reg (%08x) = %08x\n", MAC_Q4TFCR,
1142            XGMAC_IOREAD(pdata, MAC_Q4TFCR));
1143         axgbe_printf(1, "MAC Q5TFCR Reg (%08x) = %08x\n", MAC_Q5TFCR,
1144            XGMAC_IOREAD(pdata, MAC_Q5TFCR));
1145         axgbe_printf(1, "MAC Q6TFCR Reg (%08x) = %08x\n", MAC_Q6TFCR,
1146            XGMAC_IOREAD(pdata, MAC_Q6TFCR));
1147         axgbe_printf(1, "MAC Q7TFCR Reg (%08x) = %08x\n", MAC_Q7TFCR,
1148            XGMAC_IOREAD(pdata, MAC_Q7TFCR));
1149         axgbe_printf(1, "MAC RFCR Reg (%08x) = %08x\n", MAC_RFCR,
1150            XGMAC_IOREAD(pdata, MAC_RFCR));
1151         axgbe_printf(1, "MAC RQC0R Reg (%08x) = %08x\n", MAC_RQC0R,
1152            XGMAC_IOREAD(pdata, MAC_RQC0R));
1153         axgbe_printf(1, "MAC RQC1R Reg (%08x) = %08x\n", MAC_RQC1R,
1154            XGMAC_IOREAD(pdata, MAC_RQC1R));
1155         axgbe_printf(1, "MAC RQC2R Reg (%08x) = %08x\n", MAC_RQC2R,
1156            XGMAC_IOREAD(pdata, MAC_RQC2R));
1157         axgbe_printf(1, "MAC RQC3R Reg (%08x) = %08x\n", MAC_RQC3R,
1158            XGMAC_IOREAD(pdata, MAC_RQC3R));
1159         axgbe_printf(1, "MAC ISR Reg (%08x) = %08x\n", MAC_ISR,
1160            XGMAC_IOREAD(pdata, MAC_ISR));
1161         axgbe_printf(1, "MAC IER Reg (%08x) = %08x\n", MAC_IER,
1162            XGMAC_IOREAD(pdata, MAC_IER));
1163         axgbe_printf(1, "MAC RTSR Reg (%08x) = %08x\n", MAC_RTSR,
1164            XGMAC_IOREAD(pdata, MAC_RTSR));
1165         axgbe_printf(1, "MAC PMTCSR Reg (%08x) = %08x\n", MAC_PMTCSR,
1166            XGMAC_IOREAD(pdata, MAC_PMTCSR));
1167         axgbe_printf(1, "MAC RWKPFR Reg (%08x) = %08x\n", MAC_RWKPFR,
1168            XGMAC_IOREAD(pdata, MAC_RWKPFR));
1169         axgbe_printf(1, "MAC LPICSR Reg (%08x) = %08x\n", MAC_LPICSR,
1170            XGMAC_IOREAD(pdata, MAC_LPICSR));
1171         axgbe_printf(1, "MAC LPITCR Reg (%08x) = %08x\n", MAC_LPITCR,
1172            XGMAC_IOREAD(pdata, MAC_LPITCR));
1173         axgbe_printf(1, "MAC TIR Reg (%08x) = %08x\n", MAC_TIR,
1174            XGMAC_IOREAD(pdata, MAC_TIR));
1175         axgbe_printf(1, "MAC VR Reg (%08x) = %08x\n", MAC_VR,
1176            XGMAC_IOREAD(pdata, MAC_VR));
1177 	axgbe_printf(1, "MAC DR Reg (%08x) = %08x\n", MAC_DR,
1178            XGMAC_IOREAD(pdata, MAC_DR));
1179         axgbe_printf(1, "MAC HWF0R Reg (%08x) = %08x\n", MAC_HWF0R,
1180            XGMAC_IOREAD(pdata, MAC_HWF0R));
1181         axgbe_printf(1, "MAC HWF1R Reg (%08x) = %08x\n", MAC_HWF1R,
1182            XGMAC_IOREAD(pdata, MAC_HWF1R));
1183         axgbe_printf(1, "MAC HWF2R Reg (%08x) = %08x\n", MAC_HWF2R,
1184            XGMAC_IOREAD(pdata, MAC_HWF2R));
1185         axgbe_printf(1, "MAC MDIOSCAR Reg (%08x) = %08x\n", MAC_MDIOSCAR,
1186            XGMAC_IOREAD(pdata, MAC_MDIOSCAR));
1187         axgbe_printf(1, "MAC MDIOSCCDR Reg (%08x) = %08x\n", MAC_MDIOSCCDR,
1188            XGMAC_IOREAD(pdata, MAC_MDIOSCCDR));
1189         axgbe_printf(1, "MAC MDIOISR Reg (%08x) = %08x\n", MAC_MDIOISR,
1190            XGMAC_IOREAD(pdata, MAC_MDIOISR));
1191         axgbe_printf(1, "MAC MDIOIER Reg (%08x) = %08x\n", MAC_MDIOIER,
1192            XGMAC_IOREAD(pdata, MAC_MDIOIER));
1193         axgbe_printf(1, "MAC MDIOCL22R Reg (%08x) = %08x\n", MAC_MDIOCL22R,
1194            XGMAC_IOREAD(pdata, MAC_MDIOCL22R));
1195         axgbe_printf(1, "MAC GPIOCR Reg (%08x) = %08x\n", MAC_GPIOCR,
1196            XGMAC_IOREAD(pdata, MAC_GPIOCR));
1197         axgbe_printf(1, "MAC GPIOSR Reg (%08x) = %08x\n", MAC_GPIOSR,
1198            XGMAC_IOREAD(pdata, MAC_GPIOSR));
1199         axgbe_printf(1, "MAC MACA0HR Reg (%08x) = %08x\n", MAC_MACA0HR,
1200            XGMAC_IOREAD(pdata, MAC_MACA0HR));
1201         axgbe_printf(1, "MAC MACA0LR Reg (%08x) = %08x\n", MAC_TCR,
1202            XGMAC_IOREAD(pdata, MAC_MACA0LR));
1203         axgbe_printf(1, "MAC MACA1HR Reg (%08x) = %08x\n", MAC_MACA1HR,
1204            XGMAC_IOREAD(pdata, MAC_MACA1HR));
1205         axgbe_printf(1, "MAC MACA1LR Reg (%08x) = %08x\n", MAC_MACA1LR,
1206            XGMAC_IOREAD(pdata, MAC_MACA1LR));
1207         axgbe_printf(1, "MAC RSSCR Reg (%08x) = %08x\n", MAC_RSSCR,
1208            XGMAC_IOREAD(pdata, MAC_RSSCR));
1209         axgbe_printf(1, "MAC RSSDR Reg (%08x) = %08x\n", MAC_RSSDR,
1210            XGMAC_IOREAD(pdata, MAC_RSSDR));
1211         axgbe_printf(1, "MAC RSSAR Reg (%08x) = %08x\n", MAC_RSSAR,
1212            XGMAC_IOREAD(pdata, MAC_RSSAR));
1213         axgbe_printf(1, "MAC TSCR Reg (%08x) = %08x\n", MAC_TSCR,
1214            XGMAC_IOREAD(pdata, MAC_TSCR));
1215         axgbe_printf(1, "MAC SSIR Reg (%08x) = %08x\n", MAC_SSIR,
1216            XGMAC_IOREAD(pdata, MAC_SSIR));
1217         axgbe_printf(1, "MAC STSR Reg (%08x) = %08x\n", MAC_STSR,
1218            XGMAC_IOREAD(pdata, MAC_STSR));
1219         axgbe_printf(1, "MAC STNR Reg (%08x) = %08x\n", MAC_STNR,
1220            XGMAC_IOREAD(pdata, MAC_STNR));
1221         axgbe_printf(1, "MAC STSUR Reg (%08x) = %08x\n", MAC_STSUR,
1222            XGMAC_IOREAD(pdata, MAC_STSUR));
1223         axgbe_printf(1, "MAC STNUR Reg (%08x) = %08x\n", MAC_STNUR,
1224            XGMAC_IOREAD(pdata, MAC_STNUR));
1225         axgbe_printf(1, "MAC TSAR Reg (%08x) = %08x\n", MAC_TSAR,
1226            XGMAC_IOREAD(pdata, MAC_TSAR));
1227         axgbe_printf(1, "MAC TSSR Reg (%08x) = %08x\n", MAC_TSSR,
1228            XGMAC_IOREAD(pdata, MAC_TSSR));
1229         axgbe_printf(1, "MAC TXSNR Reg (%08x) = %08x\n", MAC_TXSNR,
1230            XGMAC_IOREAD(pdata, MAC_TXSNR));
1231 	 axgbe_printf(1, "MAC TXSSR Reg (%08x) = %08x\n", MAC_TXSSR,
1232            XGMAC_IOREAD(pdata, MAC_TXSSR));
1233 }
1234 
1235 static void
xgbe_dump_rmon_counters(struct xgbe_prv_data * pdata)1236 xgbe_dump_rmon_counters(struct xgbe_prv_data *pdata)
1237 {
1238         struct xgbe_mmc_stats *stats = &pdata->mmc_stats;
1239 
1240         axgbe_printf(1, "\n************* RMON counters dump ***************\n");
1241 
1242         pdata->hw_if.read_mmc_stats(pdata);
1243 
1244         axgbe_printf(1, "rmon txoctetcount_gb (%08x) = %08lx\n",
1245 	    MMC_TXOCTETCOUNT_GB_LO, stats->txoctetcount_gb);
1246         axgbe_printf(1, "rmon txframecount_gb (%08x) = %08lx\n",
1247 	    MMC_TXFRAMECOUNT_GB_LO, stats->txframecount_gb);
1248         axgbe_printf(1, "rmon txbroadcastframes_g (%08x) = %08lx\n",
1249 	    MMC_TXBROADCASTFRAMES_G_LO, stats->txbroadcastframes_g);
1250         axgbe_printf(1, "rmon txmulticastframes_g (%08x) = %08lx\n",
1251 	    MMC_TXMULTICASTFRAMES_G_LO, stats->txmulticastframes_g);
1252         axgbe_printf(1, "rmon tx64octets_gb (%08x) = %08lx\n",
1253 	    MMC_TX64OCTETS_GB_LO, stats->tx64octets_gb);
1254         axgbe_printf(1, "rmon tx65to127octets_gb (%08x) = %08lx\n",
1255 	    MMC_TX65TO127OCTETS_GB_LO, stats->tx65to127octets_gb);
1256         axgbe_printf(1, "rmon tx128to255octets_gb (%08x) = %08lx\n",
1257 	    MMC_TX128TO255OCTETS_GB_LO, stats->tx128to255octets_gb);
1258         axgbe_printf(1, "rmon tx256to511octets_gb (%08x) = %08lx\n",
1259 	    MMC_TX256TO511OCTETS_GB_LO, stats->tx256to511octets_gb);
1260         axgbe_printf(1, "rmon tx512to1023octets_gb (%08x) = %08lx\n",
1261 	    MMC_TX512TO1023OCTETS_GB_LO, stats->tx512to1023octets_gb);
1262 	axgbe_printf(1, "rmon tx1024tomaxoctets_gb (%08x) = %08lx\n",
1263 	    MMC_TX1024TOMAXOCTETS_GB_LO, stats->tx1024tomaxoctets_gb);
1264         axgbe_printf(1, "rmon txunicastframes_gb (%08x) = %08lx\n",
1265 	    MMC_TXUNICASTFRAMES_GB_LO, stats->txunicastframes_gb);
1266         axgbe_printf(1, "rmon txmulticastframes_gb (%08x) = %08lx\n",
1267 	    MMC_TXMULTICASTFRAMES_GB_LO, stats->txmulticastframes_gb);
1268         axgbe_printf(1, "rmon txbroadcastframes_gb (%08x) = %08lx\n",
1269 	    MMC_TXBROADCASTFRAMES_GB_LO, stats->txbroadcastframes_gb);
1270         axgbe_printf(1, "rmon txunderflowerror (%08x) = %08lx\n",
1271 	    MMC_TXUNDERFLOWERROR_LO, stats->txunderflowerror);
1272         axgbe_printf(1, "rmon txoctetcount_g (%08x) = %08lx\n",
1273 	    MMC_TXOCTETCOUNT_G_LO, stats->txoctetcount_g);
1274         axgbe_printf(1, "rmon txframecount_g (%08x) = %08lx\n",
1275 	    MMC_TXFRAMECOUNT_G_LO, stats->txframecount_g);
1276         axgbe_printf(1, "rmon txpauseframes (%08x) = %08lx\n",
1277 	    MMC_TXPAUSEFRAMES_LO, stats->txpauseframes);
1278         axgbe_printf(1, "rmon txvlanframes_g (%08x) = %08lx\n",
1279 	    MMC_TXVLANFRAMES_G_LO, stats->txvlanframes_g);
1280         axgbe_printf(1, "rmon rxframecount_gb (%08x) = %08lx\n",
1281 	    MMC_RXFRAMECOUNT_GB_LO, stats->rxframecount_gb);
1282         axgbe_printf(1, "rmon rxoctetcount_gb (%08x) = %08lx\n",
1283 	    MMC_RXOCTETCOUNT_GB_LO, stats->rxoctetcount_gb);
1284         axgbe_printf(1, "rmon rxoctetcount_g (%08x) = %08lx\n",
1285 	    MMC_RXOCTETCOUNT_G_LO, stats->rxoctetcount_g);
1286         axgbe_printf(1, "rmon rxbroadcastframes_g (%08x) = %08lx\n",
1287 	    MMC_RXBROADCASTFRAMES_G_LO, stats->rxbroadcastframes_g);
1288         axgbe_printf(1, "rmon rxmulticastframes_g (%08x) = %08lx\n",
1289 	    MMC_RXMULTICASTFRAMES_G_LO, stats->rxmulticastframes_g);
1290         axgbe_printf(1, "rmon rxcrcerror (%08x) = %08lx\n",
1291 	    MMC_RXCRCERROR_LO, stats->rxcrcerror);
1292 	axgbe_printf(1, "rmon rxrunterror (%08x) = %08lx\n",
1293 	    MMC_RXRUNTERROR, stats->rxrunterror);
1294         axgbe_printf(1, "rmon rxjabbererror (%08x) = %08lx\n",
1295 	    MMC_RXJABBERERROR, stats->rxjabbererror);
1296         axgbe_printf(1, "rmon rxundersize_g (%08x) = %08lx\n",
1297 	    MMC_RXUNDERSIZE_G, stats->rxundersize_g);
1298         axgbe_printf(1, "rmon rxoversize_g (%08x) = %08lx\n",
1299 	    MMC_RXOVERSIZE_G, stats->rxoversize_g);
1300         axgbe_printf(1, "rmon rx64octets_gb (%08x) = %08lx\n",
1301 	    MMC_RX64OCTETS_GB_LO, stats->rx64octets_gb);
1302         axgbe_printf(1, "rmon rx65to127octets_gb (%08x) = %08lx\n",
1303 	    MMC_RX65TO127OCTETS_GB_LO, stats->rx65to127octets_gb);
1304         axgbe_printf(1, "rmon rx128to255octets_gb (%08x) = %08lx\n",
1305 	    MMC_RX128TO255OCTETS_GB_LO, stats->rx128to255octets_gb);
1306         axgbe_printf(1, "rmon rx256to511octets_gb (%08x) = %08lx\n",
1307 	    MMC_RX256TO511OCTETS_GB_LO, stats->rx256to511octets_gb);
1308         axgbe_printf(1, "rmon rx512to1023octets_gb (%08x) = %08lx\n",
1309 	    MMC_RX512TO1023OCTETS_GB_LO, stats->rx512to1023octets_gb);
1310         axgbe_printf(1, "rmon rx1024tomaxoctets_gb (%08x) = %08lx\n",
1311 	    MMC_RX1024TOMAXOCTETS_GB_LO, stats->rx1024tomaxoctets_gb);
1312         axgbe_printf(1, "rmon rxunicastframes_g (%08x) = %08lx\n",
1313 	    MMC_RXUNICASTFRAMES_G_LO, stats->rxunicastframes_g);
1314         axgbe_printf(1, "rmon rxlengtherror (%08x) = %08lx\n",
1315 	    MMC_RXLENGTHERROR_LO, stats->rxlengtherror);
1316         axgbe_printf(1, "rmon rxoutofrangetype (%08x) = %08lx\n",
1317 	    MMC_RXOUTOFRANGETYPE_LO, stats->rxoutofrangetype);
1318         axgbe_printf(1, "rmon rxpauseframes (%08x) = %08lx\n",
1319 	    MMC_RXPAUSEFRAMES_LO, stats->rxpauseframes);
1320         axgbe_printf(1, "rmon rxfifooverflow (%08x) = %08lx\n",
1321 	    MMC_RXFIFOOVERFLOW_LO, stats->rxfifooverflow);
1322 	axgbe_printf(1, "rmon rxvlanframes_gb (%08x) = %08lx\n",
1323 	    MMC_RXVLANFRAMES_GB_LO, stats->rxvlanframes_gb);
1324         axgbe_printf(1, "rmon rxwatchdogerror (%08x) = %08lx\n",
1325 	    MMC_RXWATCHDOGERROR, stats->rxwatchdogerror);
1326 }
1327 
1328 void
xgbe_dump_i2c_registers(struct xgbe_prv_data * pdata)1329 xgbe_dump_i2c_registers(struct xgbe_prv_data *pdata)
1330 {
1331           axgbe_printf(1, "*************** I2C Registers **************\n");
1332           axgbe_printf(1, "  IC_CON             : %010x\n",
1333 	      XI2C_IOREAD(pdata, 0x00));
1334           axgbe_printf(1, "  IC_TAR             : %010x\n",
1335 	      XI2C_IOREAD(pdata, 0x04));
1336           axgbe_printf(1, "  IC_HS_MADDR        : %010x\n",
1337 	      XI2C_IOREAD(pdata, 0x0c));
1338           axgbe_printf(1, "  IC_INTR_STAT       : %010x\n",
1339 	      XI2C_IOREAD(pdata, 0x2c));
1340           axgbe_printf(1, "  IC_INTR_MASK       : %010x\n",
1341 	      XI2C_IOREAD(pdata, 0x30));
1342           axgbe_printf(1, "  IC_RAW_INTR_STAT   : %010x\n",
1343 	      XI2C_IOREAD(pdata, 0x34));
1344           axgbe_printf(1, "  IC_RX_TL           : %010x\n",
1345 	      XI2C_IOREAD(pdata, 0x38));
1346           axgbe_printf(1, "  IC_TX_TL           : %010x\n",
1347 	      XI2C_IOREAD(pdata, 0x3c));
1348           axgbe_printf(1, "  IC_ENABLE          : %010x\n",
1349 	      XI2C_IOREAD(pdata, 0x6c));
1350           axgbe_printf(1, "  IC_STATUS          : %010x\n",
1351 	      XI2C_IOREAD(pdata, 0x70));
1352           axgbe_printf(1, "  IC_TXFLR           : %010x\n",
1353 	      XI2C_IOREAD(pdata, 0x74));
1354           axgbe_printf(1, "  IC_RXFLR           : %010x\n",
1355 	      XI2C_IOREAD(pdata, 0x78));
1356           axgbe_printf(1, "  IC_ENABLE_STATUS   : %010x\n",
1357 	      XI2C_IOREAD(pdata, 0x9c));
1358           axgbe_printf(1, "  IC_COMP_PARAM1     : %010x\n",
1359 	      XI2C_IOREAD(pdata, 0xf4));
1360 }
1361 
1362 static void
xgbe_dump_active_vlans(struct xgbe_prv_data * pdata)1363 xgbe_dump_active_vlans(struct xgbe_prv_data *pdata)
1364 {
1365 	int i;
1366 
1367 	for(i=0 ; i<BITS_TO_LONGS(VLAN_NVID); i++) {
1368 		if (i && (i%8 == 0))
1369 			axgbe_printf(1, "\n");
1370                 axgbe_printf(1, "vlans[%d]: 0x%08lx ", i, pdata->active_vlans[i]);
1371 	}
1372 	axgbe_printf(1, "\n");
1373 }
1374 
1375 static void
xgbe_default_config(struct xgbe_prv_data * pdata)1376 xgbe_default_config(struct xgbe_prv_data *pdata)
1377 {
1378         pdata->blen = DMA_SBMR_BLEN_64;
1379         pdata->pbl = DMA_PBL_128;
1380         pdata->aal = 1;
1381         pdata->rd_osr_limit = 8;
1382         pdata->wr_osr_limit = 8;
1383         pdata->tx_sf_mode = MTL_TSF_ENABLE;
1384         pdata->tx_threshold = MTL_TX_THRESHOLD_64;
1385         pdata->tx_osp_mode = DMA_OSP_ENABLE;
1386         pdata->rx_sf_mode = MTL_RSF_ENABLE;
1387         pdata->rx_threshold = MTL_RX_THRESHOLD_64;
1388         pdata->pause_autoneg = 1;
1389         pdata->phy_speed = SPEED_UNKNOWN;
1390         pdata->power_down = 0;
1391         pdata->enable_rss = 1;
1392 }
1393 
1394 static int
axgbe_if_attach_post(if_ctx_t ctx)1395 axgbe_if_attach_post(if_ctx_t ctx)
1396 {
1397 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1398 	struct xgbe_prv_data	*pdata = &sc->pdata;
1399 	if_t			 ifp = pdata->netdev;
1400         struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1401 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1402 	if_softc_ctx_t		scctx = sc->scctx;
1403 	int ret;
1404 
1405 	/* set split header support based on tunable */
1406 	pdata->sph_enable = axgbe_sph_enable;
1407 
1408 	/* Initialize ECC timestamps */
1409         pdata->tx_sec_period = ticks;
1410         pdata->tx_ded_period = ticks;
1411         pdata->rx_sec_period = ticks;
1412         pdata->rx_ded_period = ticks;
1413         pdata->desc_sec_period = ticks;
1414         pdata->desc_ded_period = ticks;
1415 
1416 	/* Reset the hardware */
1417 	ret = hw_if->exit(&sc->pdata);
1418 	if (ret)
1419 		axgbe_error("%s: exit error %d\n", __func__, ret);
1420 
1421 	axgbe_sysctl_init(pdata);
1422 
1423 	/* Configure the defaults */
1424 	xgbe_default_config(pdata);
1425 
1426 	/* Set default max values if not provided */
1427         if (!pdata->tx_max_fifo_size)
1428                 pdata->tx_max_fifo_size = pdata->hw_feat.tx_fifo_size;
1429         if (!pdata->rx_max_fifo_size)
1430                 pdata->rx_max_fifo_size = pdata->hw_feat.rx_fifo_size;
1431 
1432 	DBGPR("%s: tx fifo 0x%x rx fifo 0x%x\n", __func__,
1433 	    pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
1434 
1435         /* Set and validate the number of descriptors for a ring */
1436         MPASS(powerof2(XGBE_TX_DESC_CNT));
1437         pdata->tx_desc_count = XGBE_TX_DESC_CNT;
1438         MPASS(powerof2(XGBE_RX_DESC_CNT));
1439         pdata->rx_desc_count = XGBE_RX_DESC_CNT;
1440 
1441         /* Adjust the number of queues based on interrupts assigned */
1442         if (pdata->channel_irq_count) {
1443                 pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count,
1444 		    pdata->channel_irq_count);
1445                 pdata->rx_ring_count = min_t(unsigned int, pdata->rx_ring_count,
1446 		    pdata->channel_irq_count);
1447 
1448 		DBGPR("adjusted TX %u/%u RX %u/%u\n",
1449 		    pdata->tx_ring_count, pdata->tx_q_count,
1450 		    pdata->rx_ring_count, pdata->rx_q_count);
1451         }
1452 
1453 	/* Set channel count based on interrupts assigned */
1454 	pdata->channel_count = max_t(unsigned int, scctx->isc_ntxqsets,
1455 	    scctx->isc_nrxqsets);
1456 	DBGPR("Channel count set to: %u\n", pdata->channel_count);
1457 
1458 	axgbe_initialize_rss_mapping(pdata);
1459 
1460 	/* Initialize the PHY device */
1461 	pdata->sysctl_an_cdr_workaround = pdata->vdata->an_cdr_workaround;
1462 	phy_if->phy_init(pdata);
1463 
1464 	/* Set the coalescing */
1465         xgbe_init_rx_coalesce(&sc->pdata);
1466         xgbe_init_tx_coalesce(&sc->pdata);
1467 
1468 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_KR, 0, NULL);
1469 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_T, 0, NULL);
1470 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_SFI, 0, NULL);
1471 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_KX, 0, NULL);
1472 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_CX, 0, NULL);
1473 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_LX, 0, NULL);
1474 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_SX, 0, NULL);
1475 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_T, 0, NULL);
1476 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_SGMII, 0, NULL);
1477 	ifmedia_add(sc->media, IFM_ETHER | IFM_100_TX, 0, NULL);
1478 	ifmedia_add(sc->media, IFM_ETHER | IFM_100_SGMII, 0, NULL);
1479 	ifmedia_add(sc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
1480 	ifmedia_set(sc->media, IFM_ETHER | IFM_AUTO);
1481 
1482 	/* Initialize the phy */
1483 	pdata->phy_link = -1;
1484 	pdata->phy_speed = SPEED_UNKNOWN;
1485 	ret = phy_if->phy_reset(pdata);
1486 	if (ret)
1487 		return (ret);
1488 
1489 	/* Calculate the Rx buffer size before allocating rings */
1490 	ret = xgbe_calc_rx_buf_size(pdata->netdev, if_getmtu(pdata->netdev));
1491 	pdata->rx_buf_size = ret;
1492 	DBGPR("%s: rx_buf_size %d\n", __func__, ret);
1493 
1494 	/*
1495 	 * Mark the device down until it is initialized, which happens
1496 	 * when the device is accessed first (for configuring the iface,
1497 	 * eg: setting IP)
1498 	 */
1499 	set_bit(XGBE_DOWN, &pdata->dev_state);
1500 
1501 	DBGPR("mtu %d\n", if_getmtu(ifp));
1502 	scctx->isc_max_frame_size = if_getmtu(ifp) + 18;
1503 	scctx->isc_min_frame_size = XGMAC_MIN_PACKET;
1504 
1505 	ret = axgbe_pci_init(pdata);
1506 	return (ret < 0 ? -ret : ret);
1507 } /* axgbe_if_attach_post */
1508 
1509 static void
xgbe_free_intr(struct xgbe_prv_data * pdata,struct resource * res,void * tag,int rid)1510 xgbe_free_intr(struct xgbe_prv_data *pdata, struct resource *res, void *tag,
1511 		int rid)
1512 {
1513 	if (tag)
1514 		bus_teardown_intr(pdata->dev, res, tag);
1515 
1516 	if (res)
1517 		bus_release_resource(pdata->dev, SYS_RES_IRQ, rid, res);
1518 }
1519 
1520 static void
axgbe_interrupts_free(if_ctx_t ctx)1521 axgbe_interrupts_free(if_ctx_t ctx)
1522 {
1523 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1524         struct xgbe_prv_data	*pdata = &sc->pdata;
1525         if_softc_ctx_t          scctx = sc->scctx;
1526         struct xgbe_channel     *channel;
1527         struct if_irq   irq;
1528         int i;
1529 
1530 	axgbe_printf(2, "%s: mode %d\n", __func__, scctx->isc_intr);
1531 
1532 	/* Free dev_irq */
1533 	iflib_irq_free(ctx, &pdata->dev_irq);
1534 
1535 	/* Free ecc_irq */
1536 	xgbe_free_intr(pdata, pdata->ecc_irq_res, pdata->ecc_irq_tag,
1537 	    pdata->ecc_rid);
1538 
1539 	/* Free i2c_irq */
1540 	xgbe_free_intr(pdata, pdata->i2c_irq_res, pdata->i2c_irq_tag,
1541 	    pdata->i2c_rid);
1542 
1543 	/* Free an_irq */
1544 	xgbe_free_intr(pdata, pdata->an_irq_res, pdata->an_irq_tag,
1545 	    pdata->an_rid);
1546 
1547 	for (i = 0; i < scctx->isc_nrxqsets; i++) {
1548 
1549 		channel = pdata->channel[i];
1550 		if (channel == NULL)
1551 			continue;
1552 		axgbe_printf(2, "%s: rid %d\n", __func__, channel->dma_irq_rid);
1553 		irq.ii_res = channel->dma_irq_res;
1554 		irq.ii_tag = channel->dma_irq_tag;
1555 		iflib_irq_free(ctx, &irq);
1556 	}
1557 }
1558 
1559 static int
axgbe_if_detach(if_ctx_t ctx)1560 axgbe_if_detach(if_ctx_t ctx)
1561 {
1562 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1563 	struct xgbe_prv_data	*pdata = &sc->pdata;
1564         struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1565         struct resource *mac_res[2];
1566 
1567 	mac_res[0] = pdata->xgmac_res;
1568 	mac_res[1] = pdata->xpcs_res;
1569 
1570 	if (pdata->phy_data != NULL) {
1571 		phy_if->phy_stop(pdata);
1572 		phy_if->phy_exit(pdata);
1573 		pdata->phy_data = NULL;
1574 	}
1575 
1576 	/* Free Interrupts */
1577 	axgbe_interrupts_free(ctx);
1578 
1579 	/* Free workqueues */
1580 	taskqueue_free(pdata->dev_workqueue);
1581 	pdata->dev_workqueue = NULL;
1582 
1583 	/* Release bus resources */
1584 	bus_release_resources(iflib_get_dev(ctx), axgbe_pci_mac_spec, mac_res);
1585 
1586 	/* Free VLAN bitmap */
1587 	free(pdata->active_vlans, M_AXGBE);
1588 	pdata->active_vlans = NULL;
1589 
1590 	axgbe_sysctl_exit(pdata);
1591 	pdata->sys_op = NULL;
1592 	mtx_destroy(&pdata->xpcs_lock);
1593 	mtx_destroy(&pdata->rss_mutex);
1594 	mtx_destroy(&pdata->mdio_mutex);
1595 
1596 	return (0);
1597 } /* axgbe_if_detach */
1598 
1599 static int
axgbe_pci_init(struct xgbe_prv_data * pdata)1600 axgbe_pci_init(struct xgbe_prv_data *pdata)
1601 {
1602 	struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1603 	struct xgbe_hw_if       *hw_if = &pdata->hw_if;
1604 	int ret, reset_ret;
1605 
1606 	if (!__predict_false((test_bit(XGBE_DOWN, &pdata->dev_state)))) {
1607 		axgbe_printf(1, "%s: Starting when XGBE_UP\n", __func__);
1608 		return (0);
1609 	}
1610 
1611 	ret = hw_if->init(pdata);
1612 	if (ret != 0) {
1613 		axgbe_error("%s: hardware init error %d\n", __func__, ret);
1614 		goto fail;
1615 	}
1616 
1617 	ret = phy_if->phy_start(pdata);
1618 	if (ret != 0) {
1619 		axgbe_error("%s: phy start error %d\n", __func__, ret);
1620 		goto fail;
1621 	}
1622 
1623 	hw_if->enable_tx(pdata);
1624 	hw_if->enable_rx(pdata);
1625 
1626 	xgbe_start_timers(pdata);
1627 
1628 	clear_bit(XGBE_DOWN, &pdata->dev_state);
1629 
1630 	xgbe_dump_phy_registers(pdata);
1631 	xgbe_dump_prop_registers(pdata);
1632 	xgbe_dump_dma_registers(pdata, -1);
1633 	xgbe_dump_mtl_registers(pdata);
1634 	xgbe_dump_mac_registers(pdata);
1635 	xgbe_dump_rmon_counters(pdata);
1636 	return (0);
1637 
1638 fail:
1639 	reset_ret = hw_if->exit(pdata);
1640 	if (reset_ret != 0)
1641 		axgbe_error("%s: cleanup reset error %d\n", __func__, reset_ret);
1642 	return (ret);
1643 }
1644 
1645 static void
axgbe_if_init(if_ctx_t ctx)1646 axgbe_if_init(if_ctx_t ctx)
1647 {
1648 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1649 	struct xgbe_prv_data    *pdata = &sc->pdata;
1650 
1651 	if (axgbe_pci_init(pdata) != 0)
1652 		iflib_init_failed(ctx);
1653 }
1654 
1655 static void
axgbe_pci_stop(if_ctx_t ctx)1656 axgbe_pci_stop(if_ctx_t ctx)
1657 {
1658 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1659         struct xgbe_prv_data    *pdata = &sc->pdata;
1660 	struct xgbe_hw_if       *hw_if = &pdata->hw_if;
1661 	int ret;
1662 
1663 	if (__predict_false(test_bit(XGBE_DOWN, &pdata->dev_state))) {
1664 		axgbe_printf(1, "%s: Stopping when XGBE_DOWN\n", __func__);
1665 		return;
1666 	}
1667 
1668 	xgbe_stop_timers(pdata);
1669 	taskqueue_drain_all(pdata->dev_workqueue);
1670 
1671 	hw_if->disable_tx(pdata);
1672 	hw_if->disable_rx(pdata);
1673 
1674 	ret = hw_if->exit(pdata);
1675 	if (ret)
1676 		axgbe_error("%s: exit error %d\n", __func__, ret);
1677 
1678 	set_bit(XGBE_DOWN, &pdata->dev_state);
1679 }
1680 
1681 static void
axgbe_if_stop(if_ctx_t ctx)1682 axgbe_if_stop(if_ctx_t ctx)
1683 {
1684 	axgbe_pci_stop(ctx);
1685 }
1686 
1687 static void
axgbe_if_disable_intr(if_ctx_t ctx)1688 axgbe_if_disable_intr(if_ctx_t ctx)
1689 {
1690 	/* TODO - implement */
1691 }
1692 
1693 static void
axgbe_if_enable_intr(if_ctx_t ctx)1694 axgbe_if_enable_intr(if_ctx_t ctx)
1695 {
1696 	/* TODO - implement */
1697 }
1698 
1699 static int
axgbe_if_tx_queues_alloc(if_ctx_t ctx,caddr_t * va,uint64_t * pa,int ntxqs,int ntxqsets)1700 axgbe_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *va, uint64_t *pa, int ntxqs,
1701     int ntxqsets)
1702 {
1703 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1704 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1705 	if_softc_ctx_t		scctx = sc->scctx;
1706 	struct xgbe_channel	*channel;
1707 	struct xgbe_ring	*tx_ring;
1708 	int			i, j;
1709 
1710 	MPASS(scctx->isc_ntxqsets > 0);
1711 	MPASS(scctx->isc_ntxqsets == ntxqsets);
1712 	MPASS(ntxqs == 1);
1713 
1714 	axgbe_printf(1, "%s: txqsets %d/%d txqs %d\n", __func__,
1715 	    scctx->isc_ntxqsets, ntxqsets, ntxqs);
1716 	if (axgbe_alloc_channels(ctx) != 0) {
1717 		axgbe_error("Unable to allocate channel memory\n");
1718 		return (ENOMEM);
1719 	}
1720 
1721 	for (i = 0 ; i < ntxqsets; i++) {
1722 
1723 		channel = pdata->channel[i];
1724 
1725 		tx_ring = (struct xgbe_ring*)malloc(ntxqs *
1726 		    sizeof(struct xgbe_ring), M_AXGBE, M_NOWAIT | M_ZERO);
1727 
1728 		if (tx_ring == NULL) {
1729 			axgbe_error("Unable to allocate TX ring memory\n");
1730 			goto tx_ring_fail;
1731 		}
1732 
1733 		channel->tx_ring = tx_ring;
1734 
1735 		for (j = 0; j < ntxqs; j++, tx_ring++) {
1736 			tx_ring->rdata =
1737 			    (struct xgbe_ring_data*)malloc(scctx->isc_ntxd[j] *
1738 			    sizeof(struct xgbe_ring_data), M_AXGBE, M_NOWAIT);
1739 			if (tx_ring->rdata == NULL) {
1740 				axgbe_error("Unable to allocate TX ring data\n");
1741 				goto tx_ring_fail;
1742 			}
1743 
1744 			/* Get the virtual & physical address of hw queues */
1745 			tx_ring->rdesc = (struct xgbe_ring_desc *)va[i*ntxqs + j];
1746 			tx_ring->rdesc_paddr = pa[i*ntxqs + j];
1747 			tx_ring->rdesc_count = scctx->isc_ntxd[j];
1748 			spin_lock_init(&tx_ring->lock);
1749 		}
1750 	}
1751 
1752 	axgbe_printf(1, "allocated for %d tx queues\n", scctx->isc_ntxqsets);
1753 
1754 	return (0);
1755 
1756 tx_ring_fail:
1757 	axgbe_if_queues_free(ctx);
1758 	return (ENOMEM);
1759 
1760 } /* axgbe_if_tx_queues_alloc */
1761 
1762 static int
axgbe_if_rx_queues_alloc(if_ctx_t ctx,caddr_t * va,uint64_t * pa,int nrxqs,int nrxqsets)1763 axgbe_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *va, uint64_t *pa, int nrxqs,
1764     int nrxqsets)
1765 {
1766 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1767 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1768 	if_softc_ctx_t		scctx = sc->scctx;
1769 	struct xgbe_channel	*channel;
1770 	struct xgbe_ring	*rx_ring;
1771 	int			i, j;
1772 
1773 	MPASS(scctx->isc_nrxqsets > 0);
1774 	MPASS(scctx->isc_nrxqsets == nrxqsets);
1775 	if (!pdata->sph_enable) {
1776 		MPASS(nrxqs == 1);
1777 	} else {
1778 		MPASS(nrxqs == 2);
1779 	}
1780 
1781 	axgbe_printf(1, "%s: rxqsets %d/%d rxqs %d\n", __func__,
1782 	    scctx->isc_nrxqsets, nrxqsets, nrxqs);
1783 
1784 	for (i = 0 ; i < nrxqsets; i++) {
1785 
1786 		channel = pdata->channel[i];
1787 
1788 		rx_ring = (struct xgbe_ring*)malloc(nrxqs *
1789 		    sizeof(struct xgbe_ring), M_AXGBE, M_NOWAIT | M_ZERO);
1790 
1791 		if (rx_ring == NULL) {
1792 			axgbe_error("Unable to allocate RX ring memory\n");
1793 			goto rx_ring_fail;
1794 		}
1795 
1796 		channel->rx_ring = rx_ring;
1797 
1798 		for (j = 0; j < nrxqs; j++, rx_ring++) {
1799 			rx_ring->rdata =
1800 			    (struct xgbe_ring_data*)malloc(scctx->isc_nrxd[j] *
1801 			    sizeof(struct xgbe_ring_data), M_AXGBE, M_NOWAIT);
1802 			if (rx_ring->rdata == NULL) {
1803 				axgbe_error("Unable to allocate RX ring data\n");
1804 				goto rx_ring_fail;
1805 			}
1806 
1807 			/* Get the virtual and physical address of the hw queues */
1808 			rx_ring->rdesc = (struct xgbe_ring_desc *)va[i*nrxqs + j];
1809 			rx_ring->rdesc_paddr = pa[i*nrxqs + j];
1810 			rx_ring->rdesc_count = scctx->isc_nrxd[j];
1811 			spin_lock_init(&rx_ring->lock);
1812 		}
1813 	}
1814 
1815 	axgbe_printf(2, "allocated for %d rx queues\n", scctx->isc_nrxqsets);
1816 
1817 	return (0);
1818 
1819 rx_ring_fail:
1820 	axgbe_if_queues_free(ctx);
1821 	return (ENOMEM);
1822 
1823 } /* axgbe_if_rx_queues_alloc */
1824 
1825 static void
axgbe_if_queues_free(if_ctx_t ctx)1826 axgbe_if_queues_free(if_ctx_t ctx)
1827 {
1828 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1829 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1830 	if_softc_ctx_t		scctx = sc->scctx;
1831 	if_shared_ctx_t		sctx = sc->sctx;
1832 	struct xgbe_channel	*channel;
1833 	struct xgbe_ring        *tx_ring;
1834 	struct xgbe_ring        *rx_ring;
1835 	int i, j;
1836 
1837 	for (i = 0 ; i < scctx->isc_ntxqsets; i++) {
1838 
1839 		channel = pdata->channel[i];
1840 		if (channel == NULL || channel->tx_ring == NULL)
1841 			continue;
1842 
1843 		tx_ring = channel->tx_ring;
1844 		for (j = 0; j < sctx->isc_ntxqs ; j++, tx_ring++) {
1845 			if (tx_ring && tx_ring->rdata)
1846 				free(tx_ring->rdata, M_AXGBE);
1847 		}
1848 		free(channel->tx_ring, M_AXGBE);
1849 		channel->tx_ring = NULL;
1850 	}
1851 
1852 	for (i = 0 ; i < scctx->isc_nrxqsets; i++) {
1853 
1854 		channel = pdata->channel[i];
1855 		if (channel == NULL || channel->rx_ring == NULL)
1856 			continue;
1857 
1858 		rx_ring = channel->rx_ring;
1859 		for (j = 0; j < sctx->isc_nrxqs ; j++, rx_ring++) {
1860 			if (rx_ring && rx_ring->rdata)
1861 				free(rx_ring->rdata, M_AXGBE);
1862 		}
1863 		free(channel->rx_ring, M_AXGBE);
1864 		channel->rx_ring = NULL;
1865 	}
1866 
1867 	axgbe_free_channels(sc);
1868 } /* axgbe_if_queues_free */
1869 
1870 static void
axgbe_if_vlan_register(if_ctx_t ctx,uint16_t vtag)1871 axgbe_if_vlan_register(if_ctx_t ctx, uint16_t vtag)
1872 {
1873 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1874 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1875 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1876 
1877 	if (!bit_test(pdata->active_vlans, vtag)) {
1878 		axgbe_printf(0, "Registering VLAN %d\n", vtag);
1879 
1880 		bit_set(pdata->active_vlans, vtag);
1881 		hw_if->update_vlan_hash_table(pdata);
1882 		pdata->num_active_vlans++;
1883 
1884 		axgbe_printf(1, "Total active vlans: %d\n",
1885 		    pdata->num_active_vlans);
1886 	} else
1887 		axgbe_printf(0, "VLAN %d already registered\n", vtag);
1888 
1889 	xgbe_dump_active_vlans(pdata);
1890 }
1891 
1892 static void
axgbe_if_vlan_unregister(if_ctx_t ctx,uint16_t vtag)1893 axgbe_if_vlan_unregister(if_ctx_t ctx, uint16_t vtag)
1894 {
1895 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1896 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1897 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1898 
1899 	if (pdata->num_active_vlans == 0) {
1900 		axgbe_printf(1, "No active VLANs to unregister\n");
1901 		return;
1902 	}
1903 
1904 	if (bit_test(pdata->active_vlans, vtag)){
1905 		axgbe_printf(0, "Un-Registering VLAN %d\n", vtag);
1906 
1907 		bit_clear(pdata->active_vlans, vtag);
1908 		hw_if->update_vlan_hash_table(pdata);
1909 		pdata->num_active_vlans--;
1910 
1911 		axgbe_printf(1, "Total active vlans: %d\n",
1912 		    pdata->num_active_vlans);
1913 	} else
1914 		axgbe_printf(0, "VLAN %d already unregistered\n", vtag);
1915 
1916 	xgbe_dump_active_vlans(pdata);
1917 }
1918 
1919 #if __FreeBSD_version >= 1300000
1920 static bool
axgbe_if_needs_restart(if_ctx_t ctx __unused,enum iflib_restart_event event)1921 axgbe_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
1922 {
1923         switch (event) {
1924         case IFLIB_RESTART_VLAN_CONFIG:
1925         default:
1926                 return (true);
1927         }
1928 }
1929 #endif
1930 
1931 static int
axgbe_if_msix_intr_assign(if_ctx_t ctx,int msix)1932 axgbe_if_msix_intr_assign(if_ctx_t ctx, int msix)
1933 {
1934 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1935 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1936 	if_softc_ctx_t		scctx = sc->scctx;
1937 	struct xgbe_channel	*channel;
1938 	struct if_irq		irq;
1939 	int			i, error, rid = 0, flags;
1940 	char			buf[16];
1941 
1942 	MPASS(scctx->isc_intr != IFLIB_INTR_LEGACY);
1943 
1944 	pdata->isr_as_tasklet = 1;
1945 
1946 	if (scctx->isc_intr == IFLIB_INTR_MSI) {
1947 		pdata->irq_count = 1;
1948 		pdata->channel_irq_count = 1;
1949 		return (0);
1950 	}
1951 
1952 	axgbe_printf(1, "%s: msix %d txqsets %d rxqsets %d\n", __func__, msix,
1953 	    scctx->isc_ntxqsets, scctx->isc_nrxqsets);
1954 
1955 	flags = RF_ACTIVE;
1956 
1957 	/* DEV INTR SETUP */
1958 	rid++;
1959 	error = iflib_irq_alloc_generic(ctx, &pdata->dev_irq, rid,
1960 	    IFLIB_INTR_ADMIN, axgbe_dev_isr, sc, 0, "dev_irq");
1961 	if (error) {
1962 		axgbe_error("Failed to register device interrupt rid %d name %s\n",
1963 		    rid, "dev_irq");
1964 		return (error);
1965 	}
1966 
1967 	/* ECC INTR SETUP */
1968 	rid++;
1969 	pdata->ecc_rid = rid;
1970 	pdata->ecc_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1971 	    &rid, flags);
1972 	if (!pdata->ecc_irq_res) {
1973 		axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1974 		    rid, "ecc_irq");
1975 		return (ENOMEM);
1976 	}
1977 
1978 	error = bus_setup_intr(pdata->dev, pdata->ecc_irq_res, INTR_MPSAFE |
1979 	    INTR_TYPE_NET, NULL, axgbe_ecc_isr, sc, &pdata->ecc_irq_tag);
1980         if (error) {
1981                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1982 		    rid, "ecc_irq", error);
1983                 return (error);
1984 	}
1985 
1986 	/* I2C INTR SETUP */
1987 	rid++;
1988 	pdata->i2c_rid = rid;
1989         pdata->i2c_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1990 	    &rid, flags);
1991         if (!pdata->i2c_irq_res) {
1992                 axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1993 		    rid, "i2c_irq");
1994                 return (ENOMEM);
1995         }
1996 
1997         error = bus_setup_intr(pdata->dev, pdata->i2c_irq_res, INTR_MPSAFE |
1998 	    INTR_TYPE_NET, NULL, axgbe_i2c_isr, sc, &pdata->i2c_irq_tag);
1999         if (error) {
2000                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
2001 		    rid, "i2c_irq", error);
2002                 return (error);
2003 	}
2004 
2005 	/* AN INTR SETUP */
2006 	rid++;
2007 	pdata->an_rid = rid;
2008         pdata->an_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
2009 	    &rid, flags);
2010         if (!pdata->an_irq_res) {
2011                 axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
2012 		    rid, "an_irq");
2013                 return (ENOMEM);
2014         }
2015 
2016         error = bus_setup_intr(pdata->dev, pdata->an_irq_res, INTR_MPSAFE |
2017 	    INTR_TYPE_NET, NULL, axgbe_an_isr, sc, &pdata->an_irq_tag);
2018         if (error) {
2019                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
2020 		    rid, "an_irq", error);
2021                 return (error);
2022 	}
2023 
2024 	pdata->per_channel_irq = 1;
2025 	pdata->channel_irq_mode = XGBE_IRQ_MODE_LEVEL;
2026 	rid++;
2027 	for (i = 0; i < scctx->isc_nrxqsets; i++, rid++) {
2028 
2029 		channel = pdata->channel[i];
2030 
2031 		snprintf(buf, sizeof(buf), "rxq%d", i);
2032 		error = iflib_irq_alloc_generic(ctx, &irq, rid, IFLIB_INTR_RXTX,
2033 		    axgbe_msix_que, channel, channel->queue_index, buf);
2034 
2035 		if (error) {
2036 			axgbe_error("Failed to allocated que int %d err: %d\n",
2037 			    i, error);
2038 			return (error);
2039 		}
2040 
2041 		channel->dma_irq_rid = rid;
2042 		channel->dma_irq_res = irq.ii_res;
2043 		channel->dma_irq_tag = irq.ii_tag;
2044 		axgbe_printf(1, "%s: channel count %d idx %d irq %d\n",
2045 		    __func__, scctx->isc_nrxqsets, i, rid);
2046 	}
2047 	pdata->irq_count = msix;
2048 	pdata->channel_irq_count = scctx->isc_nrxqsets;
2049 
2050 	for (i = 0; i < scctx->isc_ntxqsets; i++) {
2051 
2052 		channel = pdata->channel[i];
2053 
2054 		snprintf(buf, sizeof(buf), "txq%d", i);
2055 		irq.ii_res = channel->dma_irq_res;
2056 		iflib_softirq_alloc_generic(ctx, &irq, IFLIB_INTR_TX, channel,
2057 		    channel->queue_index, buf);
2058 	}
2059 
2060 	return (0);
2061 } /* axgbe_if_msix_intr_assign */
2062 
2063 static int
xgbe_enable_rx_tx_int(struct xgbe_prv_data * pdata,struct xgbe_channel * channel)2064 xgbe_enable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel)
2065 {
2066         struct xgbe_hw_if *hw_if = &pdata->hw_if;
2067         enum xgbe_int int_id;
2068 
2069 	if (channel->tx_ring && channel->rx_ring)
2070 		int_id = XGMAC_INT_DMA_CH_SR_TI_RI;
2071 	else if (channel->tx_ring)
2072 		int_id = XGMAC_INT_DMA_CH_SR_TI;
2073 	else if (channel->rx_ring)
2074 		int_id = XGMAC_INT_DMA_CH_SR_RI;
2075 	else
2076 		return (-1);
2077 
2078 	axgbe_printf(1, "%s channel: %d rx_tx interrupt enabled %d\n",
2079 	    __func__, channel->queue_index, int_id);
2080         return (hw_if->enable_int(channel, int_id));
2081 }
2082 
2083 static void
xgbe_disable_rx_tx_int(struct xgbe_prv_data * pdata,struct xgbe_channel * channel)2084 xgbe_disable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel)
2085 {
2086         struct xgbe_hw_if *hw_if = &pdata->hw_if;
2087         enum xgbe_int int_id;
2088 
2089         if (channel->tx_ring && channel->rx_ring)
2090                 int_id = XGMAC_INT_DMA_CH_SR_TI_RI;
2091         else if (channel->tx_ring)
2092                 int_id = XGMAC_INT_DMA_CH_SR_TI;
2093         else if (channel->rx_ring)
2094                 int_id = XGMAC_INT_DMA_CH_SR_RI;
2095         else
2096                 return;
2097 
2098 	axgbe_printf(1, "%s channel: %d rx_tx interrupt disabled %d\n",
2099 	    __func__, channel->queue_index, int_id);
2100         hw_if->disable_int(channel, int_id);
2101 }
2102 
2103 static void
xgbe_disable_rx_tx_ints(struct xgbe_prv_data * pdata)2104 xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata)
2105 {
2106         unsigned int i;
2107 
2108         for (i = 0; i < pdata->channel_count; i++)
2109                 xgbe_disable_rx_tx_int(pdata, pdata->channel[i]);
2110 }
2111 
2112 static int
axgbe_msix_que(void * arg)2113 axgbe_msix_que(void *arg)
2114 {
2115 	struct xgbe_channel	*channel = (struct xgbe_channel *)arg;
2116 	struct xgbe_prv_data	*pdata = channel->pdata;
2117 	unsigned int 		dma_status;
2118 
2119 	axgbe_printf(1, "%s: Channel: %d SR 0x%04x DSR 0x%04x IER:0x%04x D_ISR:0x%04x M_ISR:0x%04x\n",
2120 	    __func__, channel->queue_index,
2121 	    XGMAC_DMA_IOREAD(channel, DMA_CH_SR),
2122 	    XGMAC_DMA_IOREAD(channel, DMA_CH_DSR),
2123 	    XGMAC_DMA_IOREAD(channel, DMA_CH_IER),
2124 	    XGMAC_IOREAD(pdata, DMA_ISR),
2125 	    XGMAC_IOREAD(pdata, MAC_ISR));
2126 
2127 	(void)XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
2128 
2129 	/* Disable Tx and Rx channel interrupts */
2130 	xgbe_disable_rx_tx_int(pdata, channel);
2131 
2132 	/* Clear the interrupts */
2133 	dma_status = 0;
2134 	XGMAC_SET_BITS(dma_status, DMA_CH_SR, TI, 1);
2135 	XGMAC_SET_BITS(dma_status, DMA_CH_SR, RI, 1);
2136 	XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_status);
2137 
2138 	return (FILTER_SCHEDULE_THREAD);
2139 }
2140 
2141 static int
axgbe_dev_isr(void * arg)2142 axgbe_dev_isr(void *arg)
2143 {
2144 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2145 	struct xgbe_prv_data	*pdata = &sc->pdata;
2146 	struct xgbe_channel	*channel;
2147 	struct xgbe_hw_if	*hw_if = &pdata->hw_if;
2148 	unsigned int		i, dma_isr, dma_ch_isr;
2149 	unsigned int		mac_isr, mac_mdioisr;
2150 	int ret = FILTER_HANDLED;
2151 
2152 	dma_isr = XGMAC_IOREAD(pdata, DMA_ISR);
2153 	axgbe_printf(2, "%s DMA ISR: 0x%x\n", __func__, dma_isr);
2154 
2155         if (!dma_isr)
2156                 return (FILTER_HANDLED);
2157 
2158         for (i = 0; i < pdata->channel_count; i++) {
2159 
2160                 if (!(dma_isr & (1 << i)))
2161                         continue;
2162 
2163                 channel = pdata->channel[i];
2164 
2165                 dma_ch_isr = XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
2166 		axgbe_printf(2, "%s: channel %d SR 0x%x DSR 0x%x\n", __func__,
2167 		    channel->queue_index, dma_ch_isr, XGMAC_DMA_IOREAD(channel,
2168 		    DMA_CH_DSR));
2169 
2170                 /*
2171 		 * The TI or RI interrupt bits may still be set even if using
2172                  * per channel DMA interrupts. Check to be sure those are not
2173                  * enabled before using the private data napi structure.
2174                  */
2175 		if (!pdata->per_channel_irq &&
2176 		    (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, TI) ||
2177 		    XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RI))) {
2178 
2179 			/* Disable Tx and Rx interrupts */
2180 			xgbe_disable_rx_tx_ints(pdata);
2181                 } else {
2182 
2183 			/*
2184 			 * Don't clear Rx/Tx status if doing per channel DMA
2185 			 * interrupts, these will be cleared by the ISR for
2186 		 	 * per channel DMA interrupts
2187 		 	 */
2188                 	XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, TI, 0);
2189                 	XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, RI, 0);
2190 		}
2191 
2192                 if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RBU))
2193                         pdata->ext_stats.rx_buffer_unavailable++;
2194 
2195                 /* Restart the device on a Fatal Bus Error */
2196                 if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, FBE))
2197 			axgbe_error("%s: Fatal bus error reported 0x%x\n",
2198 			    __func__, dma_ch_isr);
2199 
2200                 /* Clear all interrupt signals */
2201                 XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_ch_isr);
2202 
2203 		ret = FILTER_SCHEDULE_THREAD;
2204         }
2205 
2206         if (XGMAC_GET_BITS(dma_isr, DMA_ISR, MACIS)) {
2207 
2208                 mac_isr = XGMAC_IOREAD(pdata, MAC_ISR);
2209 		axgbe_printf(2, "%s MAC ISR: 0x%x\n", __func__, mac_isr);
2210 
2211                 if (XGMAC_GET_BITS(mac_isr, MAC_ISR, MMCTXIS))
2212                         hw_if->tx_mmc_int(pdata);
2213 
2214                 if (XGMAC_GET_BITS(mac_isr, MAC_ISR, MMCRXIS))
2215                         hw_if->rx_mmc_int(pdata);
2216 
2217 		if (XGMAC_GET_BITS(mac_isr, MAC_ISR, SMI)) {
2218 			mac_mdioisr = XGMAC_IOREAD(pdata, MAC_MDIOISR);
2219 
2220 			if (XGMAC_GET_BITS(mac_mdioisr, MAC_MDIOISR,
2221 			    SNGLCOMPINT))
2222 				wakeup_one(pdata);
2223 		}
2224 
2225 	}
2226 
2227 	return (ret);
2228 } /* axgbe_dev_isr */
2229 
2230 static void
axgbe_i2c_isr(void * arg)2231 axgbe_i2c_isr(void *arg)
2232 {
2233 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2234 
2235 	sc->pdata.i2c_if.i2c_isr(&sc->pdata);
2236 }
2237 
2238 static void
axgbe_ecc_isr(void * arg)2239 axgbe_ecc_isr(void *arg)
2240 {
2241 	/* TODO - implement */
2242 }
2243 
2244 static void
axgbe_an_isr(void * arg)2245 axgbe_an_isr(void *arg)
2246 {
2247 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2248 
2249 	sc->pdata.phy_if.an_isr(&sc->pdata);
2250 }
2251 
2252 static int
axgbe_if_tx_queue_intr_enable(if_ctx_t ctx,uint16_t qid)2253 axgbe_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
2254 {
2255 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2256 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2257 	int ret;
2258 
2259 	if (qid < pdata->tx_q_count) {
2260 		ret = xgbe_enable_rx_tx_int(pdata, pdata->channel[qid]);
2261 		if (ret) {
2262 			axgbe_error("Enable TX INT failed\n");
2263 			return (ret);
2264 		}
2265 	} else
2266 		axgbe_error("Queue ID exceed channel count\n");
2267 
2268 	return (0);
2269 }
2270 
2271 static int
axgbe_if_rx_queue_intr_enable(if_ctx_t ctx,uint16_t qid)2272 axgbe_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
2273 {
2274 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2275 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2276 	int ret;
2277 
2278 	if (qid < pdata->rx_q_count) {
2279 		ret = xgbe_enable_rx_tx_int(pdata, pdata->channel[qid]);
2280 		if (ret) {
2281 			axgbe_error("Enable RX INT failed\n");
2282 			return (ret);
2283 		}
2284 	} else
2285 		axgbe_error("Queue ID exceed channel count\n");
2286 
2287 	return (0);
2288 }
2289 
2290 static void
axgbe_if_update_admin_status(if_ctx_t ctx)2291 axgbe_if_update_admin_status(if_ctx_t ctx)
2292 {
2293 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2294 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2295 
2296 	axgbe_printf(1, "%s: phy_link %d status %d speed %d\n", __func__,
2297 	    pdata->phy_link, sc->link_status, pdata->phy.speed);
2298 
2299 	if (pdata->phy_link < 0)
2300 		return;
2301 
2302 	if (pdata->phy_link) {
2303 		if (sc->link_status == LINK_STATE_DOWN) {
2304 			sc->link_status = LINK_STATE_UP;
2305 			if (pdata->phy.speed & SPEED_10000)
2306 				iflib_link_state_change(ctx, LINK_STATE_UP,
2307 				    IF_Gbps(10));
2308 			else if (pdata->phy.speed & SPEED_2500)
2309 				iflib_link_state_change(ctx, LINK_STATE_UP,
2310 				    IF_Gbps(2.5));
2311 			else if (pdata->phy.speed & SPEED_1000)
2312 				iflib_link_state_change(ctx, LINK_STATE_UP,
2313 				    IF_Gbps(1));
2314 			else if (pdata->phy.speed & SPEED_100)
2315 				iflib_link_state_change(ctx, LINK_STATE_UP,
2316 				    IF_Mbps(100));
2317 			else if (pdata->phy.speed & SPEED_10)
2318 				iflib_link_state_change(ctx, LINK_STATE_UP,
2319 				    IF_Mbps(10));
2320 		}
2321 	} else {
2322 		if (sc->link_status == LINK_STATE_UP) {
2323 			sc->link_status = LINK_STATE_DOWN;
2324 			iflib_link_state_change(ctx, LINK_STATE_DOWN, 0);
2325 		}
2326 	}
2327 }
2328 
2329 static int
axgbe_if_media_change(if_ctx_t ctx)2330 axgbe_if_media_change(if_ctx_t ctx)
2331 {
2332         struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
2333         struct ifmedia          *ifm = iflib_get_media(ctx);
2334 
2335         sx_xlock(&sc->pdata.an_mutex);
2336         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
2337                 return (EINVAL);
2338 
2339         switch (IFM_SUBTYPE(ifm->ifm_media)) {
2340         case IFM_10G_KR:
2341                 sc->pdata.phy.speed = SPEED_10000;
2342                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2343                 break;
2344         case IFM_2500_KX:
2345                 sc->pdata.phy.speed = SPEED_2500;
2346                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2347                 break;
2348         case IFM_1000_KX:
2349                 sc->pdata.phy.speed = SPEED_1000;
2350                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2351                 break;
2352         case IFM_100_TX:
2353                 sc->pdata.phy.speed = SPEED_100;
2354                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2355                 break;
2356         case IFM_AUTO:
2357                 sc->pdata.phy.autoneg = AUTONEG_ENABLE;
2358                 break;
2359         }
2360         sx_xunlock(&sc->pdata.an_mutex);
2361 
2362         return (-sc->pdata.phy_if.phy_config_aneg(&sc->pdata));
2363 }
2364 
2365 static int
axgbe_if_promisc_set(if_ctx_t ctx,int flags)2366 axgbe_if_promisc_set(if_ctx_t ctx, int flags)
2367 {
2368 	struct axgbe_if_softc *sc = iflib_get_softc(ctx);
2369 	struct xgbe_prv_data *pdata = &sc->pdata;
2370 
2371 	axgbe_printf(1, "%s: MAC_PFR 0x%x if_flags 0x%x\n",
2372 	    __func__, XGMAC_IOREAD(pdata, MAC_PFR), flags);
2373 
2374 	if (flags & IFF_PROMISC) {
2375 
2376 		axgbe_printf(1, "Requested to enter promisc mode\n");
2377 
2378 		if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == 1) {
2379 			axgbe_printf(1, "Already in promisc mode\n");
2380 			return (0);
2381 		}
2382 
2383 		axgbe_printf(1, "Entering promisc mode\n");
2384 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 1);
2385 		/* Disable VLAN filtering */
2386 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 0);
2387 	} else {
2388 
2389 		axgbe_printf(1, "Requested to leave promisc mode\n");
2390 
2391 		if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == 0) {
2392 			axgbe_printf(1, "Already not in promisc mode\n");
2393 			return (0);
2394 		}
2395 
2396 		axgbe_printf(1, "Leaving promisc mode\n");
2397 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 0);
2398 		/* Enable VLAN filtering */
2399 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 1);
2400 	}
2401 
2402 	return (0);
2403 }
2404 
2405 static uint64_t
axgbe_if_get_counter(if_ctx_t ctx,ift_counter cnt)2406 axgbe_if_get_counter(if_ctx_t ctx, ift_counter cnt)
2407 {
2408 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2409         if_t			 ifp = iflib_get_ifp(ctx);
2410         struct xgbe_prv_data    *pdata = &sc->pdata;
2411         struct xgbe_mmc_stats	*pstats = &pdata->mmc_stats;
2412 
2413         pdata->hw_if.read_mmc_stats(pdata);
2414 
2415         switch(cnt) {
2416         case IFCOUNTER_IPACKETS:
2417                 return (pstats->rxframecount_gb);
2418         case IFCOUNTER_IERRORS:
2419                 return (pstats->rxframecount_gb - pstats->rxbroadcastframes_g -
2420                     pstats->rxmulticastframes_g - pstats->rxunicastframes_g);
2421         case IFCOUNTER_OPACKETS:
2422                 return (pstats->txframecount_gb);
2423         case IFCOUNTER_OERRORS:
2424                 return (if_get_counter_default(ifp, cnt) +
2425 		    pstats->txframecount_gb - pstats->txframecount_g);
2426         case IFCOUNTER_IBYTES:
2427                 return (pstats->rxoctetcount_gb);
2428         case IFCOUNTER_OBYTES:
2429                 return (pstats->txoctetcount_gb);
2430         default:
2431                 return (if_get_counter_default(ifp, cnt));
2432         }
2433 }
2434 
2435 static int
axgbe_if_mtu_set(if_ctx_t ctx,uint32_t mtu)2436 axgbe_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
2437 {
2438         struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2439 	struct xgbe_prv_data	*pdata = &sc->pdata;
2440 	int ret;
2441 
2442         if (mtu > XGMAC_JUMBO_PACKET_MTU)
2443                 return (EINVAL);
2444 
2445 	ret = xgbe_calc_rx_buf_size(pdata->netdev, mtu);
2446         pdata->rx_buf_size = ret;
2447         axgbe_printf(1, "%s: rx_buf_size %d\n", __func__, ret);
2448 
2449         sc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
2450         return (0);
2451 }
2452 
2453 static void
axgbe_if_media_status(if_ctx_t ctx,struct ifmediareq * ifmr)2454 axgbe_if_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
2455 {
2456         struct axgbe_if_softc *sc = iflib_get_softc(ctx);
2457         struct xgbe_prv_data *pdata = &sc->pdata;
2458 
2459         ifmr->ifm_status = IFM_AVALID;
2460 	if (!sc->pdata.phy.link)
2461 		return;
2462 
2463 	ifmr->ifm_active = IFM_ETHER;
2464 	ifmr->ifm_status |= IFM_ACTIVE;
2465 
2466 	axgbe_printf(1, "Speed 0x%x Mode %d\n", sc->pdata.phy.speed,
2467 	    pdata->phy_if.phy_impl.cur_mode(pdata));
2468 	pdata->phy_if.phy_impl.get_type(pdata, ifmr);
2469 
2470 	ifmr->ifm_active |= IFM_FDX;
2471 	ifmr->ifm_active |= IFM_ETH_TXPAUSE;
2472 	ifmr->ifm_active |= IFM_ETH_RXPAUSE;
2473 }
2474