1 /******************************************************************************
4 * Project: Gigabit Ethernet Driver for FreeBSD 5.x/6.x
5 * Version: $Revision: 1.23 $
6 * Date : $Date: 2005/12/22 09:04:11 $
7 * Purpose: Main driver source file
9 *****************************************************************************/
11 /******************************************************************************
14 * Copyright (C) Marvell International Ltd. and/or its affiliates
16 * The computer program files contained in this folder ("Files")
17 * are provided to you under the BSD-type license terms provided
18 * below, and any use of such Files and any derivative works
19 * thereof created by you shall be governed by the following terms
22 * - Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * - Redistributions in binary form must reproduce the above
25 * copyright notice, this list of conditions and the following
26 * disclaimer in the documentation and/or other materials provided
27 * with the distribution.
28 * - Neither the name of Marvell nor the names of its contributors
29 * may be used to endorse or promote products derived from this
30 * software without specific prior written permission.
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
35 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
36 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
37 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
38 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
39 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
43 * OF THE POSSIBILITY OF SUCH DAMAGE.
46 *****************************************************************************/
49 * SPDX-License-Identifier: BSD-4-Clause AND BSD-3-Clause
51 * Copyright (c) 1997, 1998, 1999, 2000
52 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
54 * Redistribution and use in source and binary forms, with or without
55 * modification, are permitted provided that the following conditions
57 * 1. Redistributions of source code must retain the above copyright
58 * notice, this list of conditions and the following disclaimer.
59 * 2. Redistributions in binary form must reproduce the above copyright
60 * notice, this list of conditions and the following disclaimer in the
61 * documentation and/or other materials provided with the distribution.
62 * 3. All advertising materials mentioning features or use of this software
63 * must display the following acknowledgement:
64 * This product includes software developed by Bill Paul.
65 * 4. Neither the name of the author nor the names of any co-contributors
66 * may be used to endorse or promote products derived from this software
67 * without specific prior written permission.
69 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
70 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
71 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
72 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
73 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
74 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
75 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
76 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
77 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
78 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
79 * THE POSSIBILITY OF SUCH DAMAGE.
82 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
84 * Permission to use, copy, modify, and distribute this software for any
85 * purpose with or without fee is hereby granted, provided that the above
86 * copyright notice and this permission notice appear in all copies.
88 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
89 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
90 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
91 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
92 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
93 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
94 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
98 * Device driver for the Marvell Yukon II Ethernet controller.
99 * Due to lack of documentation, this driver is based on the code from
100 * sk(4) and Marvell's myk(4) driver for FreeBSD 5.x.
103 #include <sys/cdefs.h>
104 __FBSDID("$FreeBSD$");
106 #include <sys/param.h>
107 #include <sys/systm.h>
109 #include <sys/endian.h>
110 #include <sys/mbuf.h>
111 #include <sys/malloc.h>
112 #include <sys/kernel.h>
113 #include <sys/module.h>
114 #include <sys/socket.h>
115 #include <sys/sockio.h>
116 #include <sys/queue.h>
117 #include <sys/sysctl.h>
120 #include <net/ethernet.h>
122 #include <net/if_var.h>
123 #include <net/if_arp.h>
124 #include <net/if_dl.h>
125 #include <net/if_media.h>
126 #include <net/if_types.h>
127 #include <net/if_vlan_var.h>
129 #include <netinet/in.h>
130 #include <netinet/in_systm.h>
131 #include <netinet/ip.h>
132 #include <netinet/tcp.h>
133 #include <netinet/udp.h>
135 #include <machine/bus.h>
136 #include <machine/in_cksum.h>
137 #include <machine/resource.h>
138 #include <sys/rman.h>
140 #include <dev/mii/mii.h>
141 #include <dev/mii/miivar.h>
143 #include <dev/pci/pcireg.h>
144 #include <dev/pci/pcivar.h>
146 #include <dev/msk/if_mskreg.h>
148 MODULE_DEPEND(msk, pci, 1, 1, 1);
149 MODULE_DEPEND(msk, ether, 1, 1, 1);
150 MODULE_DEPEND(msk, miibus, 1, 1, 1);
152 /* "device miibus" required. See GENERIC if you get errors here. */
153 #include "miibus_if.h"
156 static int msi_disable = 0;
157 TUNABLE_INT("hw.msk.msi_disable", &msi_disable);
158 static int legacy_intr = 0;
159 TUNABLE_INT("hw.msk.legacy_intr", &legacy_intr);
160 static int jumbo_disable = 0;
161 TUNABLE_INT("hw.msk.jumbo_disable", &jumbo_disable);
163 #define MSK_CSUM_FEATURES (CSUM_TCP | CSUM_UDP)
166 * Devices supported by this driver.
168 static const struct msk_product {
169 uint16_t msk_vendorid;
170 uint16_t msk_deviceid;
171 const char *msk_name;
173 { VENDORID_SK, DEVICEID_SK_YUKON2,
174 "SK-9Sxx Gigabit Ethernet" },
175 { VENDORID_SK, DEVICEID_SK_YUKON2_EXPR,
176 "SK-9Exx Gigabit Ethernet"},
177 { VENDORID_MARVELL, DEVICEID_MRVL_8021CU,
178 "Marvell Yukon 88E8021CU Gigabit Ethernet" },
179 { VENDORID_MARVELL, DEVICEID_MRVL_8021X,
180 "Marvell Yukon 88E8021 SX/LX Gigabit Ethernet" },
181 { VENDORID_MARVELL, DEVICEID_MRVL_8022CU,
182 "Marvell Yukon 88E8022CU Gigabit Ethernet" },
183 { VENDORID_MARVELL, DEVICEID_MRVL_8022X,
184 "Marvell Yukon 88E8022 SX/LX Gigabit Ethernet" },
185 { VENDORID_MARVELL, DEVICEID_MRVL_8061CU,
186 "Marvell Yukon 88E8061CU Gigabit Ethernet" },
187 { VENDORID_MARVELL, DEVICEID_MRVL_8061X,
188 "Marvell Yukon 88E8061 SX/LX Gigabit Ethernet" },
189 { VENDORID_MARVELL, DEVICEID_MRVL_8062CU,
190 "Marvell Yukon 88E8062CU Gigabit Ethernet" },
191 { VENDORID_MARVELL, DEVICEID_MRVL_8062X,
192 "Marvell Yukon 88E8062 SX/LX Gigabit Ethernet" },
193 { VENDORID_MARVELL, DEVICEID_MRVL_8035,
194 "Marvell Yukon 88E8035 Fast Ethernet" },
195 { VENDORID_MARVELL, DEVICEID_MRVL_8036,
196 "Marvell Yukon 88E8036 Fast Ethernet" },
197 { VENDORID_MARVELL, DEVICEID_MRVL_8038,
198 "Marvell Yukon 88E8038 Fast Ethernet" },
199 { VENDORID_MARVELL, DEVICEID_MRVL_8039,
200 "Marvell Yukon 88E8039 Fast Ethernet" },
201 { VENDORID_MARVELL, DEVICEID_MRVL_8040,
202 "Marvell Yukon 88E8040 Fast Ethernet" },
203 { VENDORID_MARVELL, DEVICEID_MRVL_8040T,
204 "Marvell Yukon 88E8040T Fast Ethernet" },
205 { VENDORID_MARVELL, DEVICEID_MRVL_8042,
206 "Marvell Yukon 88E8042 Fast Ethernet" },
207 { VENDORID_MARVELL, DEVICEID_MRVL_8048,
208 "Marvell Yukon 88E8048 Fast Ethernet" },
209 { VENDORID_MARVELL, DEVICEID_MRVL_4361,
210 "Marvell Yukon 88E8050 Gigabit Ethernet" },
211 { VENDORID_MARVELL, DEVICEID_MRVL_4360,
212 "Marvell Yukon 88E8052 Gigabit Ethernet" },
213 { VENDORID_MARVELL, DEVICEID_MRVL_4362,
214 "Marvell Yukon 88E8053 Gigabit Ethernet" },
215 { VENDORID_MARVELL, DEVICEID_MRVL_4363,
216 "Marvell Yukon 88E8055 Gigabit Ethernet" },
217 { VENDORID_MARVELL, DEVICEID_MRVL_4364,
218 "Marvell Yukon 88E8056 Gigabit Ethernet" },
219 { VENDORID_MARVELL, DEVICEID_MRVL_4365,
220 "Marvell Yukon 88E8070 Gigabit Ethernet" },
221 { VENDORID_MARVELL, DEVICEID_MRVL_436A,
222 "Marvell Yukon 88E8058 Gigabit Ethernet" },
223 { VENDORID_MARVELL, DEVICEID_MRVL_436B,
224 "Marvell Yukon 88E8071 Gigabit Ethernet" },
225 { VENDORID_MARVELL, DEVICEID_MRVL_436C,
226 "Marvell Yukon 88E8072 Gigabit Ethernet" },
227 { VENDORID_MARVELL, DEVICEID_MRVL_436D,
228 "Marvell Yukon 88E8055 Gigabit Ethernet" },
229 { VENDORID_MARVELL, DEVICEID_MRVL_4370,
230 "Marvell Yukon 88E8075 Gigabit Ethernet" },
231 { VENDORID_MARVELL, DEVICEID_MRVL_4380,
232 "Marvell Yukon 88E8057 Gigabit Ethernet" },
233 { VENDORID_MARVELL, DEVICEID_MRVL_4381,
234 "Marvell Yukon 88E8059 Gigabit Ethernet" },
235 { VENDORID_DLINK, DEVICEID_DLINK_DGE550SX,
236 "D-Link 550SX Gigabit Ethernet" },
237 { VENDORID_DLINK, DEVICEID_DLINK_DGE560SX,
238 "D-Link 560SX Gigabit Ethernet" },
239 { VENDORID_DLINK, DEVICEID_DLINK_DGE560T,
240 "D-Link 560T Gigabit Ethernet" }
243 static const char *model_name[] = {
256 static int mskc_probe(device_t);
257 static int mskc_attach(device_t);
258 static int mskc_detach(device_t);
259 static int mskc_shutdown(device_t);
260 static int mskc_setup_rambuffer(struct msk_softc *);
261 static int mskc_suspend(device_t);
262 static int mskc_resume(device_t);
263 static bus_dma_tag_t mskc_get_dma_tag(device_t, device_t);
264 static void mskc_reset(struct msk_softc *);
266 static int msk_probe(device_t);
267 static int msk_attach(device_t);
268 static int msk_detach(device_t);
270 static void msk_tick(void *);
271 static void msk_intr(void *);
272 static void msk_intr_phy(struct msk_if_softc *);
273 static void msk_intr_gmac(struct msk_if_softc *);
274 static __inline void msk_rxput(struct msk_if_softc *);
275 static int msk_handle_events(struct msk_softc *);
276 static void msk_handle_hwerr(struct msk_if_softc *, uint32_t);
277 static void msk_intr_hwerr(struct msk_softc *);
278 #ifndef __NO_STRICT_ALIGNMENT
279 static __inline void msk_fixup_rx(struct mbuf *);
281 static __inline void msk_rxcsum(struct msk_if_softc *, uint32_t, struct mbuf *);
282 static void msk_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
283 static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
284 static void msk_txeof(struct msk_if_softc *, int);
285 static int msk_encap(struct msk_if_softc *, struct mbuf **);
286 static void msk_start(struct ifnet *);
287 static void msk_start_locked(struct ifnet *);
288 static int msk_ioctl(struct ifnet *, u_long, caddr_t);
289 static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t);
290 static void msk_set_rambuffer(struct msk_if_softc *);
291 static void msk_set_tx_stfwd(struct msk_if_softc *);
292 static void msk_init(void *);
293 static void msk_init_locked(struct msk_if_softc *);
294 static void msk_stop(struct msk_if_softc *);
295 static void msk_watchdog(struct msk_if_softc *);
296 static int msk_mediachange(struct ifnet *);
297 static void msk_mediastatus(struct ifnet *, struct ifmediareq *);
298 static void msk_phy_power(struct msk_softc *, int);
299 static void msk_dmamap_cb(void *, bus_dma_segment_t *, int, int);
300 static int msk_status_dma_alloc(struct msk_softc *);
301 static void msk_status_dma_free(struct msk_softc *);
302 static int msk_txrx_dma_alloc(struct msk_if_softc *);
303 static int msk_rx_dma_jalloc(struct msk_if_softc *);
304 static void msk_txrx_dma_free(struct msk_if_softc *);
305 static void msk_rx_dma_jfree(struct msk_if_softc *);
306 static int msk_rx_fill(struct msk_if_softc *, int);
307 static int msk_init_rx_ring(struct msk_if_softc *);
308 static int msk_init_jumbo_rx_ring(struct msk_if_softc *);
309 static void msk_init_tx_ring(struct msk_if_softc *);
310 static __inline void msk_discard_rxbuf(struct msk_if_softc *, int);
311 static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int);
312 static int msk_newbuf(struct msk_if_softc *, int);
313 static int msk_jumbo_newbuf(struct msk_if_softc *, int);
315 static int msk_phy_readreg(struct msk_if_softc *, int, int);
316 static int msk_phy_writereg(struct msk_if_softc *, int, int, int);
317 static int msk_miibus_readreg(device_t, int, int);
318 static int msk_miibus_writereg(device_t, int, int, int);
319 static void msk_miibus_statchg(device_t);
321 static void msk_rxfilter(struct msk_if_softc *);
322 static void msk_setvlan(struct msk_if_softc *, struct ifnet *);
324 static void msk_stats_clear(struct msk_if_softc *);
325 static void msk_stats_update(struct msk_if_softc *);
326 static int msk_sysctl_stat32(SYSCTL_HANDLER_ARGS);
327 static int msk_sysctl_stat64(SYSCTL_HANDLER_ARGS);
328 static void msk_sysctl_node(struct msk_if_softc *);
329 static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int);
330 static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS);
332 static device_method_t mskc_methods[] = {
333 /* Device interface */
334 DEVMETHOD(device_probe, mskc_probe),
335 DEVMETHOD(device_attach, mskc_attach),
336 DEVMETHOD(device_detach, mskc_detach),
337 DEVMETHOD(device_suspend, mskc_suspend),
338 DEVMETHOD(device_resume, mskc_resume),
339 DEVMETHOD(device_shutdown, mskc_shutdown),
341 DEVMETHOD(bus_get_dma_tag, mskc_get_dma_tag),
346 static driver_t mskc_driver = {
349 sizeof(struct msk_softc)
352 static devclass_t mskc_devclass;
354 static device_method_t msk_methods[] = {
355 /* Device interface */
356 DEVMETHOD(device_probe, msk_probe),
357 DEVMETHOD(device_attach, msk_attach),
358 DEVMETHOD(device_detach, msk_detach),
359 DEVMETHOD(device_shutdown, bus_generic_shutdown),
362 DEVMETHOD(miibus_readreg, msk_miibus_readreg),
363 DEVMETHOD(miibus_writereg, msk_miibus_writereg),
364 DEVMETHOD(miibus_statchg, msk_miibus_statchg),
369 static driver_t msk_driver = {
372 sizeof(struct msk_if_softc)
375 static devclass_t msk_devclass;
377 DRIVER_MODULE(mskc, pci, mskc_driver, mskc_devclass, NULL, NULL);
378 DRIVER_MODULE(msk, mskc, msk_driver, msk_devclass, NULL, NULL);
379 DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, NULL, NULL);
381 static struct resource_spec msk_res_spec_io[] = {
382 { SYS_RES_IOPORT, PCIR_BAR(1), RF_ACTIVE },
386 static struct resource_spec msk_res_spec_mem[] = {
387 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE },
391 static struct resource_spec msk_irq_spec_legacy[] = {
392 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE },
396 static struct resource_spec msk_irq_spec_msi[] = {
397 { SYS_RES_IRQ, 1, RF_ACTIVE },
402 msk_miibus_readreg(device_t dev, int phy, int reg)
404 struct msk_if_softc *sc_if;
406 sc_if = device_get_softc(dev);
408 return (msk_phy_readreg(sc_if, phy, reg));
412 msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg)
414 struct msk_softc *sc;
417 sc = sc_if->msk_softc;
419 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
420 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD);
422 for (i = 0; i < MSK_TIMEOUT; i++) {
424 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL);
425 if ((val & GM_SMI_CT_RD_VAL) != 0) {
426 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_DATA);
431 if (i == MSK_TIMEOUT) {
432 if_printf(sc_if->msk_ifp, "phy failed to come ready\n");
440 msk_miibus_writereg(device_t dev, int phy, int reg, int val)
442 struct msk_if_softc *sc_if;
444 sc_if = device_get_softc(dev);
446 return (msk_phy_writereg(sc_if, phy, reg, val));
450 msk_phy_writereg(struct msk_if_softc *sc_if, int phy, int reg, int val)
452 struct msk_softc *sc;
455 sc = sc_if->msk_softc;
457 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_DATA, val);
458 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
459 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg));
460 for (i = 0; i < MSK_TIMEOUT; i++) {
462 if ((GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL) &
463 GM_SMI_CT_BUSY) == 0)
466 if (i == MSK_TIMEOUT)
467 if_printf(sc_if->msk_ifp, "phy write timeout\n");
473 msk_miibus_statchg(device_t dev)
475 struct msk_softc *sc;
476 struct msk_if_softc *sc_if;
477 struct mii_data *mii;
481 sc_if = device_get_softc(dev);
482 sc = sc_if->msk_softc;
484 MSK_IF_LOCK_ASSERT(sc_if);
486 mii = device_get_softc(sc_if->msk_miibus);
487 ifp = sc_if->msk_ifp;
488 if (mii == NULL || ifp == NULL ||
489 (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
492 sc_if->msk_flags &= ~MSK_FLAG_LINK;
493 if ((mii->mii_media_status & (IFM_AVALID | IFM_ACTIVE)) ==
494 (IFM_AVALID | IFM_ACTIVE)) {
495 switch (IFM_SUBTYPE(mii->mii_media_active)) {
498 sc_if->msk_flags |= MSK_FLAG_LINK;
504 if ((sc_if->msk_flags & MSK_FLAG_FASTETHER) == 0)
505 sc_if->msk_flags |= MSK_FLAG_LINK;
512 if ((sc_if->msk_flags & MSK_FLAG_LINK) != 0) {
513 /* Enable Tx FIFO Underrun. */
514 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK),
515 GM_IS_TX_FF_UR | GM_IS_RX_FF_OR);
517 * Because mii(4) notify msk(4) that it detected link status
518 * change, there is no need to enable automatic
519 * speed/flow-control/duplex updates.
521 gmac = GM_GPCR_AU_ALL_DIS;
522 switch (IFM_SUBTYPE(mii->mii_media_active)) {
525 gmac |= GM_GPCR_SPEED_1000;
528 gmac |= GM_GPCR_SPEED_100;
534 if ((IFM_OPTIONS(mii->mii_media_active) &
535 IFM_ETH_RXPAUSE) == 0)
536 gmac |= GM_GPCR_FC_RX_DIS;
537 if ((IFM_OPTIONS(mii->mii_media_active) &
538 IFM_ETH_TXPAUSE) == 0)
539 gmac |= GM_GPCR_FC_TX_DIS;
540 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0)
541 gmac |= GM_GPCR_DUP_FULL;
543 gmac |= GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS;
544 gmac |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA;
545 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
546 /* Read again to ensure writing. */
547 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
548 gmac = GMC_PAUSE_OFF;
549 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) {
550 if ((IFM_OPTIONS(mii->mii_media_active) &
551 IFM_ETH_RXPAUSE) != 0)
554 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), gmac);
556 /* Enable PHY interrupt for FIFO underrun/overflow. */
557 msk_phy_writereg(sc_if, PHY_ADDR_MARV,
558 PHY_MARV_INT_MASK, PHY_M_IS_FIFO_ERROR);
561 * Link state changed to down.
562 * Disable PHY interrupts.
564 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
565 /* Disable Rx/Tx MAC. */
566 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
567 if ((gmac & (GM_GPCR_RX_ENA | GM_GPCR_TX_ENA)) != 0) {
568 gmac &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
569 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
570 /* Read again to ensure writing. */
571 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
577 msk_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
579 uint32_t *mchash = arg;
582 crc = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN);
583 /* Just want the 6 least significant bits. */
585 /* Set the corresponding bit in the hash table. */
586 mchash[crc >> 5] |= 1 << (crc & 0x1f);
592 msk_rxfilter(struct msk_if_softc *sc_if)
594 struct msk_softc *sc;
599 sc = sc_if->msk_softc;
601 MSK_IF_LOCK_ASSERT(sc_if);
603 ifp = sc_if->msk_ifp;
605 bzero(mchash, sizeof(mchash));
606 mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL);
607 if ((ifp->if_flags & IFF_PROMISC) != 0)
608 mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
609 else if ((ifp->if_flags & IFF_ALLMULTI) != 0) {
610 mode |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA;
614 mode |= GM_RXCR_UCF_ENA;
615 if_foreach_llmaddr(ifp, msk_hash_maddr, mchash);
616 if (mchash[0] != 0 || mchash[1] != 0)
617 mode |= GM_RXCR_MCF_ENA;
620 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H1,
622 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H2,
623 (mchash[0] >> 16) & 0xffff);
624 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H3,
626 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H4,
627 (mchash[1] >> 16) & 0xffff);
628 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode);
632 msk_setvlan(struct msk_if_softc *sc_if, struct ifnet *ifp)
634 struct msk_softc *sc;
636 sc = sc_if->msk_softc;
637 if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
638 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
640 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
643 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
645 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
651 msk_rx_fill(struct msk_if_softc *sc_if, int jumbo)
656 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
657 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
658 /* Wait until controller executes OP_TCPSTART command. */
659 for (i = 100; i > 0; i--) {
661 idx = CSR_READ_2(sc_if->msk_softc,
662 Y2_PREF_Q_ADDR(sc_if->msk_rxq,
663 PREF_UNIT_GET_IDX_REG));
668 device_printf(sc_if->msk_if_dev,
669 "prefetch unit stuck?\n");
673 * Fill consumed LE with free buffer. This can be done
674 * in Rx handler but we don't want to add special code
678 if (msk_jumbo_newbuf(sc_if, 0) != 0)
680 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
681 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
682 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
684 if (msk_newbuf(sc_if, 0) != 0)
686 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag,
687 sc_if->msk_cdata.msk_rx_ring_map,
688 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
690 sc_if->msk_cdata.msk_rx_prod = 0;
691 CSR_WRITE_2(sc_if->msk_softc,
692 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
693 sc_if->msk_cdata.msk_rx_prod);
699 msk_init_rx_ring(struct msk_if_softc *sc_if)
701 struct msk_ring_data *rd;
702 struct msk_rxdesc *rxd;
705 MSK_IF_LOCK_ASSERT(sc_if);
707 sc_if->msk_cdata.msk_rx_cons = 0;
708 sc_if->msk_cdata.msk_rx_prod = 0;
709 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
711 rd = &sc_if->msk_rdata;
712 bzero(rd->msk_rx_ring, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT);
713 for (i = prod = 0; i < MSK_RX_RING_CNT; i++) {
714 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
716 rxd->rx_le = &rd->msk_rx_ring[prod];
717 MSK_INC(prod, MSK_RX_RING_CNT);
719 nbuf = MSK_RX_BUF_CNT;
721 /* Have controller know how to compute Rx checksum. */
722 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
723 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
725 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
727 rxd->rx_le = &rd->msk_rx_ring[prod];
728 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
730 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
731 MSK_INC(prod, MSK_RX_RING_CNT);
732 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
734 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
736 rxd->rx_le = &rd->msk_rx_ring[prod];
737 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
739 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
740 MSK_INC(prod, MSK_RX_RING_CNT);
741 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
744 for (i = 0; i < nbuf; i++) {
745 if (msk_newbuf(sc_if, prod) != 0)
747 MSK_RX_INC(prod, MSK_RX_RING_CNT);
750 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag,
751 sc_if->msk_cdata.msk_rx_ring_map,
752 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
754 /* Update prefetch unit. */
755 sc_if->msk_cdata.msk_rx_prod = prod;
756 CSR_WRITE_2(sc_if->msk_softc,
757 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
758 (sc_if->msk_cdata.msk_rx_prod + MSK_RX_RING_CNT - 1) %
760 if (msk_rx_fill(sc_if, 0) != 0)
766 msk_init_jumbo_rx_ring(struct msk_if_softc *sc_if)
768 struct msk_ring_data *rd;
769 struct msk_rxdesc *rxd;
772 MSK_IF_LOCK_ASSERT(sc_if);
774 sc_if->msk_cdata.msk_rx_cons = 0;
775 sc_if->msk_cdata.msk_rx_prod = 0;
776 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
778 rd = &sc_if->msk_rdata;
779 bzero(rd->msk_jumbo_rx_ring,
780 sizeof(struct msk_rx_desc) * MSK_JUMBO_RX_RING_CNT);
781 for (i = prod = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
782 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
784 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
785 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
787 nbuf = MSK_RX_BUF_CNT;
789 /* Have controller know how to compute Rx checksum. */
790 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
791 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
793 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
795 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
796 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
798 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
799 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
800 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
802 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
804 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
805 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
807 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
808 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
809 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
812 for (i = 0; i < nbuf; i++) {
813 if (msk_jumbo_newbuf(sc_if, prod) != 0)
815 MSK_RX_INC(prod, MSK_JUMBO_RX_RING_CNT);
818 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
819 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
820 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
822 /* Update prefetch unit. */
823 sc_if->msk_cdata.msk_rx_prod = prod;
824 CSR_WRITE_2(sc_if->msk_softc,
825 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
826 (sc_if->msk_cdata.msk_rx_prod + MSK_JUMBO_RX_RING_CNT - 1) %
827 MSK_JUMBO_RX_RING_CNT);
828 if (msk_rx_fill(sc_if, 1) != 0)
834 msk_init_tx_ring(struct msk_if_softc *sc_if)
836 struct msk_ring_data *rd;
837 struct msk_txdesc *txd;
840 sc_if->msk_cdata.msk_tso_mtu = 0;
841 sc_if->msk_cdata.msk_last_csum = 0;
842 sc_if->msk_cdata.msk_tx_prod = 0;
843 sc_if->msk_cdata.msk_tx_cons = 0;
844 sc_if->msk_cdata.msk_tx_cnt = 0;
845 sc_if->msk_cdata.msk_tx_high_addr = 0;
847 rd = &sc_if->msk_rdata;
848 bzero(rd->msk_tx_ring, sizeof(struct msk_tx_desc) * MSK_TX_RING_CNT);
849 for (i = 0; i < MSK_TX_RING_CNT; i++) {
850 txd = &sc_if->msk_cdata.msk_txdesc[i];
852 txd->tx_le = &rd->msk_tx_ring[i];
855 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
856 sc_if->msk_cdata.msk_tx_ring_map,
857 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
861 msk_discard_rxbuf(struct msk_if_softc *sc_if, int idx)
863 struct msk_rx_desc *rx_le;
864 struct msk_rxdesc *rxd;
868 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
870 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
871 MSK_INC(idx, MSK_RX_RING_CNT);
873 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
876 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
880 msk_discard_jumbo_rxbuf(struct msk_if_softc *sc_if, int idx)
882 struct msk_rx_desc *rx_le;
883 struct msk_rxdesc *rxd;
887 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
889 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
890 MSK_INC(idx, MSK_JUMBO_RX_RING_CNT);
892 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
895 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
899 msk_newbuf(struct msk_if_softc *sc_if, int idx)
901 struct msk_rx_desc *rx_le;
902 struct msk_rxdesc *rxd;
904 bus_dma_segment_t segs[1];
908 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
912 m->m_len = m->m_pkthdr.len = MCLBYTES;
913 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
914 m_adj(m, ETHER_ALIGN);
915 #ifndef __NO_STRICT_ALIGNMENT
917 m_adj(m, MSK_RX_BUF_ALIGN);
920 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_rx_tag,
921 sc_if->msk_cdata.msk_rx_sparemap, m, segs, &nsegs,
922 BUS_DMA_NOWAIT) != 0) {
926 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
928 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
931 rx_le->msk_addr = htole32(MSK_ADDR_HI(segs[0].ds_addr));
932 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
933 MSK_INC(idx, MSK_RX_RING_CNT);
934 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
936 if (rxd->rx_m != NULL) {
937 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
938 BUS_DMASYNC_POSTREAD);
939 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap);
942 map = rxd->rx_dmamap;
943 rxd->rx_dmamap = sc_if->msk_cdata.msk_rx_sparemap;
944 sc_if->msk_cdata.msk_rx_sparemap = map;
945 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
946 BUS_DMASYNC_PREREAD);
949 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
951 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
957 msk_jumbo_newbuf(struct msk_if_softc *sc_if, int idx)
959 struct msk_rx_desc *rx_le;
960 struct msk_rxdesc *rxd;
962 bus_dma_segment_t segs[1];
966 m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES);
969 m->m_len = m->m_pkthdr.len = MJUM9BYTES;
970 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
971 m_adj(m, ETHER_ALIGN);
972 #ifndef __NO_STRICT_ALIGNMENT
974 m_adj(m, MSK_RX_BUF_ALIGN);
977 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_jumbo_rx_tag,
978 sc_if->msk_cdata.msk_jumbo_rx_sparemap, m, segs, &nsegs,
979 BUS_DMA_NOWAIT) != 0) {
983 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
985 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
988 rx_le->msk_addr = htole32(MSK_ADDR_HI(segs[0].ds_addr));
989 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
990 MSK_INC(idx, MSK_JUMBO_RX_RING_CNT);
991 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
993 if (rxd->rx_m != NULL) {
994 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
995 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
996 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
1000 map = rxd->rx_dmamap;
1001 rxd->rx_dmamap = sc_if->msk_cdata.msk_jumbo_rx_sparemap;
1002 sc_if->msk_cdata.msk_jumbo_rx_sparemap = map;
1003 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap,
1004 BUS_DMASYNC_PREREAD);
1007 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
1008 rx_le->msk_control =
1009 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
1015 * Set media options.
1018 msk_mediachange(struct ifnet *ifp)
1020 struct msk_if_softc *sc_if;
1021 struct mii_data *mii;
1024 sc_if = ifp->if_softc;
1027 mii = device_get_softc(sc_if->msk_miibus);
1028 error = mii_mediachg(mii);
1029 MSK_IF_UNLOCK(sc_if);
1035 * Report current media status.
1038 msk_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr)
1040 struct msk_if_softc *sc_if;
1041 struct mii_data *mii;
1043 sc_if = ifp->if_softc;
1045 if ((ifp->if_flags & IFF_UP) == 0) {
1046 MSK_IF_UNLOCK(sc_if);
1049 mii = device_get_softc(sc_if->msk_miibus);
1052 ifmr->ifm_active = mii->mii_media_active;
1053 ifmr->ifm_status = mii->mii_media_status;
1054 MSK_IF_UNLOCK(sc_if);
1058 msk_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
1060 struct msk_if_softc *sc_if;
1062 struct mii_data *mii;
1063 int error, mask, reinit;
1065 sc_if = ifp->if_softc;
1066 ifr = (struct ifreq *)data;
1072 if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN)
1074 else if (ifp->if_mtu != ifr->ifr_mtu) {
1075 if (ifr->ifr_mtu > ETHERMTU) {
1076 if ((sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
1078 MSK_IF_UNLOCK(sc_if);
1081 if ((sc_if->msk_flags &
1082 MSK_FLAG_JUMBO_NOCSUM) != 0) {
1084 ~(MSK_CSUM_FEATURES | CSUM_TSO);
1085 ifp->if_capenable &=
1086 ~(IFCAP_TSO4 | IFCAP_TXCSUM);
1087 VLAN_CAPABILITIES(ifp);
1090 ifp->if_mtu = ifr->ifr_mtu;
1091 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
1092 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1093 msk_init_locked(sc_if);
1096 MSK_IF_UNLOCK(sc_if);
1100 if ((ifp->if_flags & IFF_UP) != 0) {
1101 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
1102 ((ifp->if_flags ^ sc_if->msk_if_flags) &
1103 (IFF_PROMISC | IFF_ALLMULTI)) != 0)
1104 msk_rxfilter(sc_if);
1105 else if ((sc_if->msk_flags & MSK_FLAG_DETACH) == 0)
1106 msk_init_locked(sc_if);
1107 } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
1109 sc_if->msk_if_flags = ifp->if_flags;
1110 MSK_IF_UNLOCK(sc_if);
1115 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
1116 msk_rxfilter(sc_if);
1117 MSK_IF_UNLOCK(sc_if);
1121 mii = device_get_softc(sc_if->msk_miibus);
1122 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
1127 mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1128 if ((mask & IFCAP_TXCSUM) != 0 &&
1129 (IFCAP_TXCSUM & ifp->if_capabilities) != 0) {
1130 ifp->if_capenable ^= IFCAP_TXCSUM;
1131 if ((IFCAP_TXCSUM & ifp->if_capenable) != 0)
1132 ifp->if_hwassist |= MSK_CSUM_FEATURES;
1134 ifp->if_hwassist &= ~MSK_CSUM_FEATURES;
1136 if ((mask & IFCAP_RXCSUM) != 0 &&
1137 (IFCAP_RXCSUM & ifp->if_capabilities) != 0) {
1138 ifp->if_capenable ^= IFCAP_RXCSUM;
1139 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0)
1142 if ((mask & IFCAP_VLAN_HWCSUM) != 0 &&
1143 (IFCAP_VLAN_HWCSUM & ifp->if_capabilities) != 0)
1144 ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
1145 if ((mask & IFCAP_TSO4) != 0 &&
1146 (IFCAP_TSO4 & ifp->if_capabilities) != 0) {
1147 ifp->if_capenable ^= IFCAP_TSO4;
1148 if ((IFCAP_TSO4 & ifp->if_capenable) != 0)
1149 ifp->if_hwassist |= CSUM_TSO;
1151 ifp->if_hwassist &= ~CSUM_TSO;
1153 if ((mask & IFCAP_VLAN_HWTSO) != 0 &&
1154 (IFCAP_VLAN_HWTSO & ifp->if_capabilities) != 0)
1155 ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1156 if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
1157 (IFCAP_VLAN_HWTAGGING & ifp->if_capabilities) != 0) {
1158 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1159 if ((IFCAP_VLAN_HWTAGGING & ifp->if_capenable) == 0)
1160 ifp->if_capenable &=
1161 ~(IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM);
1162 msk_setvlan(sc_if, ifp);
1164 if (ifp->if_mtu > ETHERMTU &&
1165 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
1166 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
1167 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
1169 VLAN_CAPABILITIES(ifp);
1170 if (reinit > 0 && (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
1171 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1172 msk_init_locked(sc_if);
1174 MSK_IF_UNLOCK(sc_if);
1177 error = ether_ioctl(ifp, command, data);
1185 mskc_probe(device_t dev)
1187 const struct msk_product *mp;
1188 uint16_t vendor, devid;
1191 vendor = pci_get_vendor(dev);
1192 devid = pci_get_device(dev);
1194 for (i = 0; i < nitems(msk_products); i++, mp++) {
1195 if (vendor == mp->msk_vendorid && devid == mp->msk_deviceid) {
1196 device_set_desc(dev, mp->msk_name);
1197 return (BUS_PROBE_DEFAULT);
1205 mskc_setup_rambuffer(struct msk_softc *sc)
1210 /* Get adapter SRAM size. */
1211 sc->msk_ramsize = CSR_READ_1(sc, B2_E_0) * 4;
1213 device_printf(sc->msk_dev,
1214 "RAM buffer size : %dKB\n", sc->msk_ramsize);
1215 if (sc->msk_ramsize == 0)
1218 sc->msk_pflags |= MSK_FLAG_RAMBUF;
1220 * Give receiver 2/3 of memory and round down to the multiple
1221 * of 1024. Tx/Rx RAM buffer size of Yukon II should be multiple
1224 sc->msk_rxqsize = rounddown((sc->msk_ramsize * 1024 * 2) / 3, 1024);
1225 sc->msk_txqsize = (sc->msk_ramsize * 1024) - sc->msk_rxqsize;
1226 for (i = 0, next = 0; i < sc->msk_num_port; i++) {
1227 sc->msk_rxqstart[i] = next;
1228 sc->msk_rxqend[i] = next + sc->msk_rxqsize - 1;
1229 next = sc->msk_rxqend[i] + 1;
1230 sc->msk_txqstart[i] = next;
1231 sc->msk_txqend[i] = next + sc->msk_txqsize - 1;
1232 next = sc->msk_txqend[i] + 1;
1234 device_printf(sc->msk_dev,
1235 "Port %d : Rx Queue %dKB(0x%08x:0x%08x)\n", i,
1236 sc->msk_rxqsize / 1024, sc->msk_rxqstart[i],
1238 device_printf(sc->msk_dev,
1239 "Port %d : Tx Queue %dKB(0x%08x:0x%08x)\n", i,
1240 sc->msk_txqsize / 1024, sc->msk_txqstart[i],
1249 msk_phy_power(struct msk_softc *sc, int mode)
1255 case MSK_PHY_POWERUP:
1256 /* Switch power to VCC (WA for VAUX problem). */
1257 CSR_WRITE_1(sc, B0_POWER_CTRL,
1258 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON);
1259 /* Disable Core Clock Division, set Clock Select to 0. */
1260 CSR_WRITE_4(sc, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS);
1263 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1264 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1265 /* Enable bits are inverted. */
1266 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1267 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1268 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1271 * Enable PCI & Core Clock, enable clock gating for both Links.
1273 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1275 our = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1276 our &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD);
1277 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
1278 if (sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1279 /* Deassert Low Power for 1st PHY. */
1280 our |= PCI_Y2_PHY1_COMA;
1281 if (sc->msk_num_port > 1)
1282 our |= PCI_Y2_PHY2_COMA;
1285 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U ||
1286 sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1287 sc->msk_hw_id >= CHIP_ID_YUKON_FE_P) {
1288 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_4);
1289 val &= (PCI_FORCE_ASPM_REQUEST |
1290 PCI_ASPM_GPHY_LINK_DOWN | PCI_ASPM_INT_FIFO_EMPTY |
1291 PCI_ASPM_CLKRUN_REQUEST);
1292 /* Set all bits to 0 except bits 15..12. */
1293 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_4, val);
1294 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_5);
1295 val &= PCI_CTL_TIM_VMAIN_AV_MSK;
1296 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_5, val);
1297 CSR_PCI_WRITE_4(sc, PCI_CFG_REG_1, 0);
1298 CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_ON);
1300 * Disable status race, workaround for
1301 * Yukon EC Ultra & Yukon EX.
1303 val = CSR_READ_4(sc, B2_GP_IO);
1304 val |= GLB_GPIO_STAT_RACE_DIS;
1305 CSR_WRITE_4(sc, B2_GP_IO, val);
1306 CSR_READ_4(sc, B2_GP_IO);
1308 /* Release PHY from PowerDown/COMA mode. */
1309 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, our);
1311 for (i = 0; i < sc->msk_num_port; i++) {
1312 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1314 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1318 case MSK_PHY_POWERDOWN:
1319 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1320 val |= PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD;
1321 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1322 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1323 val &= ~PCI_Y2_PHY1_COMA;
1324 if (sc->msk_num_port > 1)
1325 val &= ~PCI_Y2_PHY2_COMA;
1327 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, val);
1329 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1330 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1331 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1332 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1333 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1334 /* Enable bits are inverted. */
1338 * Disable PCI & Core Clock, disable clock gating for
1341 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1342 CSR_WRITE_1(sc, B0_POWER_CTRL,
1343 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
1351 mskc_reset(struct msk_softc *sc)
1359 if (sc->msk_hw_id >= CHIP_ID_YUKON_XL &&
1360 sc->msk_hw_id <= CHIP_ID_YUKON_SUPR) {
1361 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1362 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
1363 CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
1364 status = CSR_READ_2(sc, B28_Y2_ASF_HCU_CCSR);
1365 /* Clear AHB bridge & microcontroller reset. */
1366 status &= ~(Y2_ASF_HCU_CCSR_AHB_RST |
1367 Y2_ASF_HCU_CCSR_CPU_RST_MODE);
1368 /* Clear ASF microcontroller state. */
1369 status &= ~Y2_ASF_HCU_CCSR_UC_STATE_MSK;
1370 status &= ~Y2_ASF_HCU_CCSR_CPU_CLK_DIVIDE_MSK;
1371 CSR_WRITE_2(sc, B28_Y2_ASF_HCU_CCSR, status);
1372 CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
1374 CSR_WRITE_1(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
1375 CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE);
1377 * Since we disabled ASF, S/W reset is required for
1380 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
1381 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1384 /* Clear all error bits in the PCI status register. */
1385 status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
1386 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1388 pci_write_config(sc->msk_dev, PCIR_STATUS, status |
1389 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
1390 PCIM_STATUS_RTABORT | PCIM_STATUS_MDPERR, 2);
1391 CSR_WRITE_2(sc, B0_CTST, CS_MRST_CLR);
1393 switch (sc->msk_bustype) {
1395 /* Clear all PEX errors. */
1396 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
1397 val = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
1398 if ((val & PEX_RX_OV) != 0) {
1399 sc->msk_intrmask &= ~Y2_IS_HW_ERR;
1400 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
1405 /* Set Cache Line Size to 2(8bytes) if configured to 0. */
1406 val = pci_read_config(sc->msk_dev, PCIR_CACHELNSZ, 1);
1408 pci_write_config(sc->msk_dev, PCIR_CACHELNSZ, 2, 1);
1409 if (sc->msk_bustype == MSK_PCIX_BUS) {
1410 /* Set Cache Line Size opt. */
1411 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4);
1413 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4);
1417 /* Set PHY power state. */
1418 msk_phy_power(sc, MSK_PHY_POWERUP);
1420 /* Reset GPHY/GMAC Control */
1421 for (i = 0; i < sc->msk_num_port; i++) {
1422 /* GPHY Control reset. */
1423 CSR_WRITE_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET);
1424 CSR_WRITE_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_CLR);
1425 /* GMAC Control reset. */
1426 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_SET);
1427 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_CLR);
1428 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_F_LOOPB_OFF);
1429 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1430 sc->msk_hw_id == CHIP_ID_YUKON_SUPR)
1431 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL),
1432 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
1436 if (sc->msk_hw_id == CHIP_ID_YUKON_SUPR &&
1437 sc->msk_hw_rev > CHIP_REV_YU_SU_B0)
1438 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, PCI_CLK_MACSEC_DIS);
1439 if (sc->msk_hw_id == CHIP_ID_YUKON_OPT && sc->msk_hw_rev == 0) {
1440 /* Disable PCIe PHY powerdown(reg 0x80, bit7). */
1441 CSR_WRITE_4(sc, Y2_PEX_PHY_DATA, (0x0080 << 16) | 0x0080);
1443 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1446 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_ON);
1448 /* Clear TWSI IRQ. */
1449 CSR_WRITE_4(sc, B2_I2C_IRQ, I2C_CLR_IRQ);
1451 /* Turn off hardware timer. */
1452 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_STOP);
1453 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_CLR_IRQ);
1455 /* Turn off descriptor polling. */
1456 CSR_WRITE_1(sc, B28_DPT_CTRL, DPT_STOP);
1458 /* Turn off time stamps. */
1459 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_STOP);
1460 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
1463 if (sc->msk_hw_id == CHIP_ID_YUKON_XL ||
1464 sc->msk_hw_id == CHIP_ID_YUKON_EC ||
1465 sc->msk_hw_id == CHIP_ID_YUKON_FE)
1468 /* Configure timeout values. */
1469 for (i = 0; initram > 0 && i < sc->msk_num_port; i++) {
1470 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_SET);
1471 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR);
1472 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R1),
1474 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA1),
1476 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS1),
1478 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R1),
1480 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA1),
1482 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS1),
1484 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R2),
1486 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA2),
1488 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS2),
1490 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R2),
1492 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA2),
1494 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS2),
1498 /* Disable all interrupts. */
1499 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
1500 CSR_READ_4(sc, B0_HWE_IMSK);
1501 CSR_WRITE_4(sc, B0_IMSK, 0);
1502 CSR_READ_4(sc, B0_IMSK);
1505 * On dual port PCI-X card, there is an problem where status
1506 * can be received out of order due to split transactions.
1508 if (sc->msk_pcixcap != 0 && sc->msk_num_port > 1) {
1511 pcix_cmd = pci_read_config(sc->msk_dev,
1512 sc->msk_pcixcap + PCIXR_COMMAND, 2);
1513 /* Clear Max Outstanding Split Transactions. */
1514 pcix_cmd &= ~PCIXM_COMMAND_MAX_SPLITS;
1515 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1516 pci_write_config(sc->msk_dev,
1517 sc->msk_pcixcap + PCIXR_COMMAND, pcix_cmd, 2);
1518 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1520 if (sc->msk_expcap != 0) {
1521 /* Change Max. Read Request Size to 2048 bytes. */
1522 if (pci_get_max_read_req(sc->msk_dev) == 512)
1523 pci_set_max_read_req(sc->msk_dev, 2048);
1526 /* Clear status list. */
1527 bzero(sc->msk_stat_ring,
1528 sizeof(struct msk_stat_desc) * sc->msk_stat_count);
1529 sc->msk_stat_cons = 0;
1530 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
1531 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1532 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_SET);
1533 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_CLR);
1534 /* Set the status list base address. */
1535 addr = sc->msk_stat_ring_paddr;
1536 CSR_WRITE_4(sc, STAT_LIST_ADDR_LO, MSK_ADDR_LO(addr));
1537 CSR_WRITE_4(sc, STAT_LIST_ADDR_HI, MSK_ADDR_HI(addr));
1538 /* Set the status list last index. */
1539 CSR_WRITE_2(sc, STAT_LAST_IDX, sc->msk_stat_count - 1);
1540 if (sc->msk_hw_id == CHIP_ID_YUKON_EC &&
1541 sc->msk_hw_rev == CHIP_REV_YU_EC_A1) {
1542 /* WA for dev. #4.3 */
1543 CSR_WRITE_2(sc, STAT_TX_IDX_TH, ST_TXTH_IDX_MASK);
1544 /* WA for dev. #4.18 */
1545 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x21);
1546 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x07);
1548 CSR_WRITE_2(sc, STAT_TX_IDX_TH, 0x0a);
1549 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x10);
1550 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1551 sc->msk_hw_rev == CHIP_REV_YU_XL_A0)
1552 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x04);
1554 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x10);
1555 CSR_WRITE_4(sc, STAT_ISR_TIMER_INI, 0x0190);
1558 * Use default value for STAT_ISR_TIMER_INI, STAT_LEV_TIMER_INI.
1560 CSR_WRITE_4(sc, STAT_TX_TIMER_INI, MSK_USECS(sc, 1000));
1562 /* Enable status unit. */
1563 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_OP_ON);
1565 CSR_WRITE_1(sc, STAT_TX_TIMER_CTRL, TIM_START);
1566 CSR_WRITE_1(sc, STAT_LEV_TIMER_CTRL, TIM_START);
1567 CSR_WRITE_1(sc, STAT_ISR_TIMER_CTRL, TIM_START);
1571 msk_probe(device_t dev)
1573 struct msk_softc *sc;
1576 sc = device_get_softc(device_get_parent(dev));
1578 * Not much to do here. We always know there will be
1579 * at least one GMAC present, and if there are two,
1580 * mskc_attach() will create a second device instance
1583 snprintf(desc, sizeof(desc),
1584 "Marvell Technology Group Ltd. %s Id 0x%02x Rev 0x%02x",
1585 model_name[sc->msk_hw_id - CHIP_ID_YUKON_XL], sc->msk_hw_id,
1587 device_set_desc_copy(dev, desc);
1589 return (BUS_PROBE_DEFAULT);
1593 msk_attach(device_t dev)
1595 struct msk_softc *sc;
1596 struct msk_if_softc *sc_if;
1598 struct msk_mii_data *mmd;
1606 sc_if = device_get_softc(dev);
1607 sc = device_get_softc(device_get_parent(dev));
1608 mmd = device_get_ivars(dev);
1611 sc_if->msk_if_dev = dev;
1612 sc_if->msk_port = port;
1613 sc_if->msk_softc = sc;
1614 sc_if->msk_flags = sc->msk_pflags;
1615 sc->msk_if[port] = sc_if;
1616 /* Setup Tx/Rx queue register offsets. */
1617 if (port == MSK_PORT_A) {
1618 sc_if->msk_txq = Q_XA1;
1619 sc_if->msk_txsq = Q_XS1;
1620 sc_if->msk_rxq = Q_R1;
1622 sc_if->msk_txq = Q_XA2;
1623 sc_if->msk_txsq = Q_XS2;
1624 sc_if->msk_rxq = Q_R2;
1627 callout_init_mtx(&sc_if->msk_tick_ch, &sc_if->msk_softc->msk_mtx, 0);
1628 msk_sysctl_node(sc_if);
1630 if ((error = msk_txrx_dma_alloc(sc_if)) != 0)
1632 msk_rx_dma_jalloc(sc_if);
1634 ifp = sc_if->msk_ifp = if_alloc(IFT_ETHER);
1636 device_printf(sc_if->msk_if_dev, "can not if_alloc()\n");
1640 ifp->if_softc = sc_if;
1641 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
1642 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1643 ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_TSO4;
1645 * Enable Rx checksum offloading if controller supports
1646 * new descriptor formant and controller is not Yukon XL.
1648 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
1649 sc->msk_hw_id != CHIP_ID_YUKON_XL)
1650 ifp->if_capabilities |= IFCAP_RXCSUM;
1651 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
1652 (sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
1653 ifp->if_capabilities |= IFCAP_RXCSUM;
1654 ifp->if_hwassist = MSK_CSUM_FEATURES | CSUM_TSO;
1655 ifp->if_capenable = ifp->if_capabilities;
1656 ifp->if_ioctl = msk_ioctl;
1657 ifp->if_start = msk_start;
1658 ifp->if_init = msk_init;
1659 IFQ_SET_MAXLEN(&ifp->if_snd, MSK_TX_RING_CNT - 1);
1660 ifp->if_snd.ifq_drv_maxlen = MSK_TX_RING_CNT - 1;
1661 IFQ_SET_READY(&ifp->if_snd);
1663 * Get station address for this interface. Note that
1664 * dual port cards actually come with three station
1665 * addresses: one for each port, plus an extra. The
1666 * extra one is used by the SysKonnect driver software
1667 * as a 'virtual' station address for when both ports
1668 * are operating in failover mode. Currently we don't
1669 * use this extra address.
1672 for (i = 0; i < ETHER_ADDR_LEN; i++)
1673 eaddr[i] = CSR_READ_1(sc, B2_MAC_1 + (port * 8) + i);
1676 * Call MI attach routine. Can't hold locks when calling into ether_*.
1678 MSK_IF_UNLOCK(sc_if);
1679 ether_ifattach(ifp, eaddr);
1682 /* VLAN capability setup */
1683 ifp->if_capabilities |= IFCAP_VLAN_MTU;
1684 if ((sc_if->msk_flags & MSK_FLAG_NOHWVLAN) == 0) {
1686 * Due to Tx checksum offload hardware bugs, msk(4) manually
1687 * computes checksum for short frames. For VLAN tagged frames
1688 * this workaround does not work so disable checksum offload
1689 * for VLAN interface.
1691 ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO;
1693 * Enable Rx checksum offloading for VLAN tagged frames
1694 * if controller support new descriptor format.
1696 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
1697 (sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
1698 ifp->if_capabilities |= IFCAP_VLAN_HWCSUM;
1700 ifp->if_capenable = ifp->if_capabilities;
1702 * Disable RX checksum offloading on controllers that don't use
1703 * new descriptor format but give chance to enable it.
1705 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0)
1706 ifp->if_capenable &= ~IFCAP_RXCSUM;
1709 * Tell the upper layer(s) we support long frames.
1710 * Must appear after the call to ether_ifattach() because
1711 * ether_ifattach() sets ifi_hdrlen to the default value.
1713 ifp->if_hdrlen = sizeof(struct ether_vlan_header);
1718 MSK_IF_UNLOCK(sc_if);
1719 error = mii_attach(dev, &sc_if->msk_miibus, ifp, msk_mediachange,
1720 msk_mediastatus, BMSR_DEFCAPMASK, PHY_ADDR_MARV, MII_OFFSET_ANY,
1723 device_printf(sc_if->msk_if_dev, "attaching PHYs failed\n");
1724 ether_ifdetach(ifp);
1731 /* Access should be ok even though lock has been dropped */
1732 sc->msk_if[port] = NULL;
1740 * Attach the interface. Allocate softc structures, do ifmedia
1741 * setup and ethernet/BPF attach.
1744 mskc_attach(device_t dev)
1746 struct msk_softc *sc;
1747 struct msk_mii_data *mmd;
1748 int error, msic, msir, reg;
1750 sc = device_get_softc(dev);
1752 mtx_init(&sc->msk_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
1756 * Map control/status registers.
1758 pci_enable_busmaster(dev);
1760 /* Allocate I/O resource */
1761 #ifdef MSK_USEIOSPACE
1762 sc->msk_res_spec = msk_res_spec_io;
1764 sc->msk_res_spec = msk_res_spec_mem;
1766 sc->msk_irq_spec = msk_irq_spec_legacy;
1767 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res);
1769 if (sc->msk_res_spec == msk_res_spec_mem)
1770 sc->msk_res_spec = msk_res_spec_io;
1772 sc->msk_res_spec = msk_res_spec_mem;
1773 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res);
1775 device_printf(dev, "couldn't allocate %s resources\n",
1776 sc->msk_res_spec == msk_res_spec_mem ? "memory" :
1778 mtx_destroy(&sc->msk_mtx);
1783 /* Enable all clocks before accessing any registers. */
1784 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
1786 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1787 sc->msk_hw_id = CSR_READ_1(sc, B2_CHIP_ID);
1788 sc->msk_hw_rev = (CSR_READ_1(sc, B2_MAC_CFG) >> 4) & 0x0f;
1789 /* Bail out if chip is not recognized. */
1790 if (sc->msk_hw_id < CHIP_ID_YUKON_XL ||
1791 sc->msk_hw_id > CHIP_ID_YUKON_OPT ||
1792 sc->msk_hw_id == CHIP_ID_YUKON_UNKNOWN) {
1793 device_printf(dev, "unknown device: id=0x%02x, rev=0x%02x\n",
1794 sc->msk_hw_id, sc->msk_hw_rev);
1795 mtx_destroy(&sc->msk_mtx);
1799 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1800 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1801 OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW,
1802 &sc->msk_process_limit, 0, sysctl_hw_msk_proc_limit, "I",
1803 "max number of Rx events to process");
1805 sc->msk_process_limit = MSK_PROC_DEFAULT;
1806 error = resource_int_value(device_get_name(dev), device_get_unit(dev),
1807 "process_limit", &sc->msk_process_limit);
1809 if (sc->msk_process_limit < MSK_PROC_MIN ||
1810 sc->msk_process_limit > MSK_PROC_MAX) {
1811 device_printf(dev, "process_limit value out of range; "
1812 "using default: %d\n", MSK_PROC_DEFAULT);
1813 sc->msk_process_limit = MSK_PROC_DEFAULT;
1817 sc->msk_int_holdoff = MSK_INT_HOLDOFF_DEFAULT;
1818 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
1819 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
1820 "int_holdoff", CTLFLAG_RW, &sc->msk_int_holdoff, 0,
1821 "Maximum number of time to delay interrupts");
1822 resource_int_value(device_get_name(dev), device_get_unit(dev),
1823 "int_holdoff", &sc->msk_int_holdoff);
1825 sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP);
1826 /* Check number of MACs. */
1827 sc->msk_num_port = 1;
1828 if ((CSR_READ_1(sc, B2_Y2_HW_RES) & CFG_DUAL_MAC_MSK) ==
1830 if (!(CSR_READ_1(sc, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC))
1834 /* Check bus type. */
1835 if (pci_find_cap(sc->msk_dev, PCIY_EXPRESS, ®) == 0) {
1836 sc->msk_bustype = MSK_PEX_BUS;
1837 sc->msk_expcap = reg;
1838 } else if (pci_find_cap(sc->msk_dev, PCIY_PCIX, ®) == 0) {
1839 sc->msk_bustype = MSK_PCIX_BUS;
1840 sc->msk_pcixcap = reg;
1842 sc->msk_bustype = MSK_PCI_BUS;
1844 switch (sc->msk_hw_id) {
1845 case CHIP_ID_YUKON_EC:
1846 sc->msk_clock = 125; /* 125 MHz */
1847 sc->msk_pflags |= MSK_FLAG_JUMBO;
1849 case CHIP_ID_YUKON_EC_U:
1850 sc->msk_clock = 125; /* 125 MHz */
1851 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_JUMBO_NOCSUM;
1853 case CHIP_ID_YUKON_EX:
1854 sc->msk_clock = 125; /* 125 MHz */
1855 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
1856 MSK_FLAG_AUTOTX_CSUM;
1858 * Yukon Extreme seems to have silicon bug for
1859 * automatic Tx checksum calculation capability.
1861 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
1862 sc->msk_pflags &= ~MSK_FLAG_AUTOTX_CSUM;
1864 * Yukon Extreme A0 could not use store-and-forward
1865 * for jumbo frames, so disable Tx checksum
1866 * offloading for jumbo frames.
1868 if (sc->msk_hw_rev == CHIP_REV_YU_EX_A0)
1869 sc->msk_pflags |= MSK_FLAG_JUMBO_NOCSUM;
1871 case CHIP_ID_YUKON_FE:
1872 sc->msk_clock = 100; /* 100 MHz */
1873 sc->msk_pflags |= MSK_FLAG_FASTETHER;
1875 case CHIP_ID_YUKON_FE_P:
1876 sc->msk_clock = 50; /* 50 MHz */
1877 sc->msk_pflags |= MSK_FLAG_FASTETHER | MSK_FLAG_DESCV2 |
1878 MSK_FLAG_AUTOTX_CSUM;
1879 if (sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
1882 * FE+ A0 has status LE writeback bug so msk(4)
1883 * does not rely on status word of received frame
1884 * in msk_rxeof() which in turn disables all
1885 * hardware assistance bits reported by the status
1886 * word as well as validity of the received frame.
1887 * Just pass received frames to upper stack with
1888 * minimal test and let upper stack handle them.
1890 sc->msk_pflags |= MSK_FLAG_NOHWVLAN |
1891 MSK_FLAG_NORXCHK | MSK_FLAG_NORX_CSUM;
1894 case CHIP_ID_YUKON_XL:
1895 sc->msk_clock = 156; /* 156 MHz */
1896 sc->msk_pflags |= MSK_FLAG_JUMBO;
1898 case CHIP_ID_YUKON_SUPR:
1899 sc->msk_clock = 125; /* 125 MHz */
1900 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
1901 MSK_FLAG_AUTOTX_CSUM;
1903 case CHIP_ID_YUKON_UL_2:
1904 sc->msk_clock = 125; /* 125 MHz */
1905 sc->msk_pflags |= MSK_FLAG_JUMBO;
1907 case CHIP_ID_YUKON_OPT:
1908 sc->msk_clock = 125; /* 125 MHz */
1909 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2;
1912 sc->msk_clock = 156; /* 156 MHz */
1916 /* Allocate IRQ resources. */
1917 msic = pci_msi_count(dev);
1919 device_printf(dev, "MSI count : %d\n", msic);
1920 if (legacy_intr != 0)
1922 if (msi_disable == 0 && msic > 0) {
1924 if (pci_alloc_msi(dev, &msir) == 0) {
1926 sc->msk_pflags |= MSK_FLAG_MSI;
1927 sc->msk_irq_spec = msk_irq_spec_msi;
1929 pci_release_msi(dev);
1933 error = bus_alloc_resources(dev, sc->msk_irq_spec, sc->msk_irq);
1935 device_printf(dev, "couldn't allocate IRQ resources\n");
1939 if ((error = msk_status_dma_alloc(sc)) != 0)
1942 /* Set base interrupt mask. */
1943 sc->msk_intrmask = Y2_IS_HW_ERR | Y2_IS_STAT_BMU;
1944 sc->msk_intrhwemask = Y2_IS_TIST_OV | Y2_IS_MST_ERR |
1945 Y2_IS_IRQ_STAT | Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP;
1947 /* Reset the adapter. */
1950 if ((error = mskc_setup_rambuffer(sc)) != 0)
1953 sc->msk_devs[MSK_PORT_A] = device_add_child(dev, "msk", -1);
1954 if (sc->msk_devs[MSK_PORT_A] == NULL) {
1955 device_printf(dev, "failed to add child for PORT_A\n");
1959 mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK | M_ZERO);
1960 mmd->port = MSK_PORT_A;
1961 mmd->pmd = sc->msk_pmd;
1962 mmd->mii_flags |= MIIF_DOPAUSE;
1963 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
1964 mmd->mii_flags |= MIIF_HAVEFIBER;
1965 if (sc->msk_pmd == 'P')
1966 mmd->mii_flags |= MIIF_HAVEFIBER | MIIF_MACPRIV0;
1967 device_set_ivars(sc->msk_devs[MSK_PORT_A], mmd);
1969 if (sc->msk_num_port > 1) {
1970 sc->msk_devs[MSK_PORT_B] = device_add_child(dev, "msk", -1);
1971 if (sc->msk_devs[MSK_PORT_B] == NULL) {
1972 device_printf(dev, "failed to add child for PORT_B\n");
1976 mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK |
1978 mmd->port = MSK_PORT_B;
1979 mmd->pmd = sc->msk_pmd;
1980 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
1981 mmd->mii_flags |= MIIF_HAVEFIBER;
1982 if (sc->msk_pmd == 'P')
1983 mmd->mii_flags |= MIIF_HAVEFIBER | MIIF_MACPRIV0;
1984 device_set_ivars(sc->msk_devs[MSK_PORT_B], mmd);
1987 error = bus_generic_attach(dev);
1989 device_printf(dev, "failed to attach port(s)\n");
1993 /* Hook interrupt last to avoid having to lock softc. */
1994 error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET |
1995 INTR_MPSAFE, NULL, msk_intr, sc, &sc->msk_intrhand);
1997 device_printf(dev, "couldn't set up interrupt handler\n");
2008 * Shutdown hardware and free up resources. This can be called any
2009 * time after the mutex has been initialized. It is called in both
2010 * the error case in attach and the normal detach case so it needs
2011 * to be careful about only freeing resources that have actually been
2015 msk_detach(device_t dev)
2017 struct msk_softc *sc;
2018 struct msk_if_softc *sc_if;
2021 sc_if = device_get_softc(dev);
2022 KASSERT(mtx_initialized(&sc_if->msk_softc->msk_mtx),
2023 ("msk mutex not initialized in msk_detach"));
2026 ifp = sc_if->msk_ifp;
2027 if (device_is_attached(dev)) {
2029 sc_if->msk_flags |= MSK_FLAG_DETACH;
2031 /* Can't hold locks while calling detach. */
2032 MSK_IF_UNLOCK(sc_if);
2033 callout_drain(&sc_if->msk_tick_ch);
2035 ether_ifdetach(ifp);
2040 * We're generally called from mskc_detach() which is using
2041 * device_delete_child() to get to here. It's already trashed
2042 * miibus for us, so don't do it here or we'll panic.
2044 * if (sc_if->msk_miibus != NULL) {
2045 * device_delete_child(dev, sc_if->msk_miibus);
2046 * sc_if->msk_miibus = NULL;
2050 msk_rx_dma_jfree(sc_if);
2051 msk_txrx_dma_free(sc_if);
2052 bus_generic_detach(dev);
2054 sc = sc_if->msk_softc;
2055 sc->msk_if[sc_if->msk_port] = NULL;
2056 MSK_IF_UNLOCK(sc_if);
2064 mskc_detach(device_t dev)
2066 struct msk_softc *sc;
2068 sc = device_get_softc(dev);
2069 KASSERT(mtx_initialized(&sc->msk_mtx), ("msk mutex not initialized"));
2071 if (device_is_alive(dev)) {
2072 if (sc->msk_devs[MSK_PORT_A] != NULL) {
2073 free(device_get_ivars(sc->msk_devs[MSK_PORT_A]),
2075 device_delete_child(dev, sc->msk_devs[MSK_PORT_A]);
2077 if (sc->msk_devs[MSK_PORT_B] != NULL) {
2078 free(device_get_ivars(sc->msk_devs[MSK_PORT_B]),
2080 device_delete_child(dev, sc->msk_devs[MSK_PORT_B]);
2082 bus_generic_detach(dev);
2085 /* Disable all interrupts. */
2086 CSR_WRITE_4(sc, B0_IMSK, 0);
2087 CSR_READ_4(sc, B0_IMSK);
2088 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
2089 CSR_READ_4(sc, B0_HWE_IMSK);
2092 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_OFF);
2094 /* Put hardware reset. */
2095 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
2097 msk_status_dma_free(sc);
2099 if (sc->msk_intrhand) {
2100 bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand);
2101 sc->msk_intrhand = NULL;
2103 bus_release_resources(dev, sc->msk_irq_spec, sc->msk_irq);
2104 if ((sc->msk_pflags & MSK_FLAG_MSI) != 0)
2105 pci_release_msi(dev);
2106 bus_release_resources(dev, sc->msk_res_spec, sc->msk_res);
2107 mtx_destroy(&sc->msk_mtx);
2112 static bus_dma_tag_t
2113 mskc_get_dma_tag(device_t bus, device_t child __unused)
2116 return (bus_get_dma_tag(bus));
2119 struct msk_dmamap_arg {
2120 bus_addr_t msk_busaddr;
2124 msk_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
2126 struct msk_dmamap_arg *ctx;
2131 ctx->msk_busaddr = segs[0].ds_addr;
2134 /* Create status DMA region. */
2136 msk_status_dma_alloc(struct msk_softc *sc)
2138 struct msk_dmamap_arg ctx;
2143 * It seems controller requires number of status LE entries
2144 * is power of 2 and the maximum number of status LE entries
2145 * is 4096. For dual-port controllers, the number of status
2146 * LE entries should be large enough to hold both port's
2149 count = 3 * MSK_RX_RING_CNT + MSK_TX_RING_CNT;
2150 count = imin(4096, roundup2(count, 1024));
2151 sc->msk_stat_count = count;
2152 stat_sz = count * sizeof(struct msk_stat_desc);
2153 error = bus_dma_tag_create(
2154 bus_get_dma_tag(sc->msk_dev), /* parent */
2155 MSK_STAT_ALIGN, 0, /* alignment, boundary */
2156 BUS_SPACE_MAXADDR, /* lowaddr */
2157 BUS_SPACE_MAXADDR, /* highaddr */
2158 NULL, NULL, /* filter, filterarg */
2159 stat_sz, /* maxsize */
2161 stat_sz, /* maxsegsize */
2163 NULL, NULL, /* lockfunc, lockarg */
2166 device_printf(sc->msk_dev,
2167 "failed to create status DMA tag\n");
2171 /* Allocate DMA'able memory and load the DMA map for status ring. */
2172 error = bus_dmamem_alloc(sc->msk_stat_tag,
2173 (void **)&sc->msk_stat_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT |
2174 BUS_DMA_ZERO, &sc->msk_stat_map);
2176 device_printf(sc->msk_dev,
2177 "failed to allocate DMA'able memory for status ring\n");
2181 ctx.msk_busaddr = 0;
2182 error = bus_dmamap_load(sc->msk_stat_tag, sc->msk_stat_map,
2183 sc->msk_stat_ring, stat_sz, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2185 device_printf(sc->msk_dev,
2186 "failed to load DMA'able memory for status ring\n");
2189 sc->msk_stat_ring_paddr = ctx.msk_busaddr;
2195 msk_status_dma_free(struct msk_softc *sc)
2198 /* Destroy status block. */
2199 if (sc->msk_stat_tag) {
2200 if (sc->msk_stat_ring_paddr) {
2201 bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map);
2202 sc->msk_stat_ring_paddr = 0;
2204 if (sc->msk_stat_ring) {
2205 bus_dmamem_free(sc->msk_stat_tag,
2206 sc->msk_stat_ring, sc->msk_stat_map);
2207 sc->msk_stat_ring = NULL;
2209 bus_dma_tag_destroy(sc->msk_stat_tag);
2210 sc->msk_stat_tag = NULL;
2215 msk_txrx_dma_alloc(struct msk_if_softc *sc_if)
2217 struct msk_dmamap_arg ctx;
2218 struct msk_txdesc *txd;
2219 struct msk_rxdesc *rxd;
2223 /* Create parent DMA tag. */
2224 error = bus_dma_tag_create(
2225 bus_get_dma_tag(sc_if->msk_if_dev), /* parent */
2226 1, 0, /* alignment, boundary */
2227 BUS_SPACE_MAXADDR, /* lowaddr */
2228 BUS_SPACE_MAXADDR, /* highaddr */
2229 NULL, NULL, /* filter, filterarg */
2230 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
2232 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
2234 NULL, NULL, /* lockfunc, lockarg */
2235 &sc_if->msk_cdata.msk_parent_tag);
2237 device_printf(sc_if->msk_if_dev,
2238 "failed to create parent DMA tag\n");
2241 /* Create tag for Tx ring. */
2242 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2243 MSK_RING_ALIGN, 0, /* alignment, boundary */
2244 BUS_SPACE_MAXADDR, /* lowaddr */
2245 BUS_SPACE_MAXADDR, /* highaddr */
2246 NULL, NULL, /* filter, filterarg */
2247 MSK_TX_RING_SZ, /* maxsize */
2249 MSK_TX_RING_SZ, /* maxsegsize */
2251 NULL, NULL, /* lockfunc, lockarg */
2252 &sc_if->msk_cdata.msk_tx_ring_tag);
2254 device_printf(sc_if->msk_if_dev,
2255 "failed to create Tx ring DMA tag\n");
2259 /* Create tag for Rx ring. */
2260 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2261 MSK_RING_ALIGN, 0, /* alignment, boundary */
2262 BUS_SPACE_MAXADDR, /* lowaddr */
2263 BUS_SPACE_MAXADDR, /* highaddr */
2264 NULL, NULL, /* filter, filterarg */
2265 MSK_RX_RING_SZ, /* maxsize */
2267 MSK_RX_RING_SZ, /* maxsegsize */
2269 NULL, NULL, /* lockfunc, lockarg */
2270 &sc_if->msk_cdata.msk_rx_ring_tag);
2272 device_printf(sc_if->msk_if_dev,
2273 "failed to create Rx ring DMA tag\n");
2277 /* Create tag for Tx buffers. */
2278 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2279 1, 0, /* alignment, boundary */
2280 BUS_SPACE_MAXADDR, /* lowaddr */
2281 BUS_SPACE_MAXADDR, /* highaddr */
2282 NULL, NULL, /* filter, filterarg */
2283 MSK_TSO_MAXSIZE, /* maxsize */
2284 MSK_MAXTXSEGS, /* nsegments */
2285 MSK_TSO_MAXSGSIZE, /* maxsegsize */
2287 NULL, NULL, /* lockfunc, lockarg */
2288 &sc_if->msk_cdata.msk_tx_tag);
2290 device_printf(sc_if->msk_if_dev,
2291 "failed to create Tx DMA tag\n");
2297 * Workaround hardware hang which seems to happen when Rx buffer
2298 * is not aligned on multiple of FIFO word(8 bytes).
2300 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2301 rxalign = MSK_RX_BUF_ALIGN;
2302 /* Create tag for Rx buffers. */
2303 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2304 rxalign, 0, /* alignment, boundary */
2305 BUS_SPACE_MAXADDR, /* lowaddr */
2306 BUS_SPACE_MAXADDR, /* highaddr */
2307 NULL, NULL, /* filter, filterarg */
2308 MCLBYTES, /* maxsize */
2310 MCLBYTES, /* maxsegsize */
2312 NULL, NULL, /* lockfunc, lockarg */
2313 &sc_if->msk_cdata.msk_rx_tag);
2315 device_printf(sc_if->msk_if_dev,
2316 "failed to create Rx DMA tag\n");
2320 /* Allocate DMA'able memory and load the DMA map for Tx ring. */
2321 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_tx_ring_tag,
2322 (void **)&sc_if->msk_rdata.msk_tx_ring, BUS_DMA_WAITOK |
2323 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_tx_ring_map);
2325 device_printf(sc_if->msk_if_dev,
2326 "failed to allocate DMA'able memory for Tx ring\n");
2330 ctx.msk_busaddr = 0;
2331 error = bus_dmamap_load(sc_if->msk_cdata.msk_tx_ring_tag,
2332 sc_if->msk_cdata.msk_tx_ring_map, sc_if->msk_rdata.msk_tx_ring,
2333 MSK_TX_RING_SZ, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2335 device_printf(sc_if->msk_if_dev,
2336 "failed to load DMA'able memory for Tx ring\n");
2339 sc_if->msk_rdata.msk_tx_ring_paddr = ctx.msk_busaddr;
2341 /* Allocate DMA'able memory and load the DMA map for Rx ring. */
2342 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_rx_ring_tag,
2343 (void **)&sc_if->msk_rdata.msk_rx_ring, BUS_DMA_WAITOK |
2344 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_rx_ring_map);
2346 device_printf(sc_if->msk_if_dev,
2347 "failed to allocate DMA'able memory for Rx ring\n");
2351 ctx.msk_busaddr = 0;
2352 error = bus_dmamap_load(sc_if->msk_cdata.msk_rx_ring_tag,
2353 sc_if->msk_cdata.msk_rx_ring_map, sc_if->msk_rdata.msk_rx_ring,
2354 MSK_RX_RING_SZ, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2356 device_printf(sc_if->msk_if_dev,
2357 "failed to load DMA'able memory for Rx ring\n");
2360 sc_if->msk_rdata.msk_rx_ring_paddr = ctx.msk_busaddr;
2362 /* Create DMA maps for Tx buffers. */
2363 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2364 txd = &sc_if->msk_cdata.msk_txdesc[i];
2366 txd->tx_dmamap = NULL;
2367 error = bus_dmamap_create(sc_if->msk_cdata.msk_tx_tag, 0,
2370 device_printf(sc_if->msk_if_dev,
2371 "failed to create Tx dmamap\n");
2375 /* Create DMA maps for Rx buffers. */
2376 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0,
2377 &sc_if->msk_cdata.msk_rx_sparemap)) != 0) {
2378 device_printf(sc_if->msk_if_dev,
2379 "failed to create spare Rx dmamap\n");
2382 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2383 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2385 rxd->rx_dmamap = NULL;
2386 error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0,
2389 device_printf(sc_if->msk_if_dev,
2390 "failed to create Rx dmamap\n");
2400 msk_rx_dma_jalloc(struct msk_if_softc *sc_if)
2402 struct msk_dmamap_arg ctx;
2403 struct msk_rxdesc *jrxd;
2407 if (jumbo_disable != 0 || (sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
2408 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
2409 device_printf(sc_if->msk_if_dev,
2410 "disabling jumbo frame support\n");
2413 /* Create tag for jumbo Rx ring. */
2414 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2415 MSK_RING_ALIGN, 0, /* alignment, boundary */
2416 BUS_SPACE_MAXADDR, /* lowaddr */
2417 BUS_SPACE_MAXADDR, /* highaddr */
2418 NULL, NULL, /* filter, filterarg */
2419 MSK_JUMBO_RX_RING_SZ, /* maxsize */
2421 MSK_JUMBO_RX_RING_SZ, /* maxsegsize */
2423 NULL, NULL, /* lockfunc, lockarg */
2424 &sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2426 device_printf(sc_if->msk_if_dev,
2427 "failed to create jumbo Rx ring DMA tag\n");
2433 * Workaround hardware hang which seems to happen when Rx buffer
2434 * is not aligned on multiple of FIFO word(8 bytes).
2436 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2437 rxalign = MSK_RX_BUF_ALIGN;
2438 /* Create tag for jumbo Rx buffers. */
2439 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2440 rxalign, 0, /* alignment, boundary */
2441 BUS_SPACE_MAXADDR, /* lowaddr */
2442 BUS_SPACE_MAXADDR, /* highaddr */
2443 NULL, NULL, /* filter, filterarg */
2444 MJUM9BYTES, /* maxsize */
2446 MJUM9BYTES, /* maxsegsize */
2448 NULL, NULL, /* lockfunc, lockarg */
2449 &sc_if->msk_cdata.msk_jumbo_rx_tag);
2451 device_printf(sc_if->msk_if_dev,
2452 "failed to create jumbo Rx DMA tag\n");
2456 /* Allocate DMA'able memory and load the DMA map for jumbo Rx ring. */
2457 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2458 (void **)&sc_if->msk_rdata.msk_jumbo_rx_ring,
2459 BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO,
2460 &sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2462 device_printf(sc_if->msk_if_dev,
2463 "failed to allocate DMA'able memory for jumbo Rx ring\n");
2467 ctx.msk_busaddr = 0;
2468 error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2469 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
2470 sc_if->msk_rdata.msk_jumbo_rx_ring, MSK_JUMBO_RX_RING_SZ,
2471 msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2473 device_printf(sc_if->msk_if_dev,
2474 "failed to load DMA'able memory for jumbo Rx ring\n");
2477 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr;
2479 /* Create DMA maps for jumbo Rx buffers. */
2480 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2481 &sc_if->msk_cdata.msk_jumbo_rx_sparemap)) != 0) {
2482 device_printf(sc_if->msk_if_dev,
2483 "failed to create spare jumbo Rx dmamap\n");
2486 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2487 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2489 jrxd->rx_dmamap = NULL;
2490 error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2493 device_printf(sc_if->msk_if_dev,
2494 "failed to create jumbo Rx dmamap\n");
2502 msk_rx_dma_jfree(sc_if);
2503 device_printf(sc_if->msk_if_dev, "disabling jumbo frame support "
2504 "due to resource shortage\n");
2505 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
2510 msk_txrx_dma_free(struct msk_if_softc *sc_if)
2512 struct msk_txdesc *txd;
2513 struct msk_rxdesc *rxd;
2517 if (sc_if->msk_cdata.msk_tx_ring_tag) {
2518 if (sc_if->msk_rdata.msk_tx_ring_paddr)
2519 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_ring_tag,
2520 sc_if->msk_cdata.msk_tx_ring_map);
2521 if (sc_if->msk_rdata.msk_tx_ring)
2522 bus_dmamem_free(sc_if->msk_cdata.msk_tx_ring_tag,
2523 sc_if->msk_rdata.msk_tx_ring,
2524 sc_if->msk_cdata.msk_tx_ring_map);
2525 sc_if->msk_rdata.msk_tx_ring = NULL;
2526 sc_if->msk_rdata.msk_tx_ring_paddr = 0;
2527 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_ring_tag);
2528 sc_if->msk_cdata.msk_tx_ring_tag = NULL;
2531 if (sc_if->msk_cdata.msk_rx_ring_tag) {
2532 if (sc_if->msk_rdata.msk_rx_ring_paddr)
2533 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_ring_tag,
2534 sc_if->msk_cdata.msk_rx_ring_map);
2535 if (sc_if->msk_rdata.msk_rx_ring)
2536 bus_dmamem_free(sc_if->msk_cdata.msk_rx_ring_tag,
2537 sc_if->msk_rdata.msk_rx_ring,
2538 sc_if->msk_cdata.msk_rx_ring_map);
2539 sc_if->msk_rdata.msk_rx_ring = NULL;
2540 sc_if->msk_rdata.msk_rx_ring_paddr = 0;
2541 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_ring_tag);
2542 sc_if->msk_cdata.msk_rx_ring_tag = NULL;
2545 if (sc_if->msk_cdata.msk_tx_tag) {
2546 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2547 txd = &sc_if->msk_cdata.msk_txdesc[i];
2548 if (txd->tx_dmamap) {
2549 bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag,
2551 txd->tx_dmamap = NULL;
2554 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag);
2555 sc_if->msk_cdata.msk_tx_tag = NULL;
2558 if (sc_if->msk_cdata.msk_rx_tag) {
2559 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2560 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2561 if (rxd->rx_dmamap) {
2562 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2564 rxd->rx_dmamap = NULL;
2567 if (sc_if->msk_cdata.msk_rx_sparemap) {
2568 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2569 sc_if->msk_cdata.msk_rx_sparemap);
2570 sc_if->msk_cdata.msk_rx_sparemap = 0;
2572 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag);
2573 sc_if->msk_cdata.msk_rx_tag = NULL;
2575 if (sc_if->msk_cdata.msk_parent_tag) {
2576 bus_dma_tag_destroy(sc_if->msk_cdata.msk_parent_tag);
2577 sc_if->msk_cdata.msk_parent_tag = NULL;
2582 msk_rx_dma_jfree(struct msk_if_softc *sc_if)
2584 struct msk_rxdesc *jrxd;
2587 /* Jumbo Rx ring. */
2588 if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) {
2589 if (sc_if->msk_rdata.msk_jumbo_rx_ring_paddr)
2590 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2591 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2592 if (sc_if->msk_rdata.msk_jumbo_rx_ring)
2593 bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2594 sc_if->msk_rdata.msk_jumbo_rx_ring,
2595 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2596 sc_if->msk_rdata.msk_jumbo_rx_ring = NULL;
2597 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = 0;
2598 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2599 sc_if->msk_cdata.msk_jumbo_rx_ring_tag = NULL;
2601 /* Jumbo Rx buffers. */
2602 if (sc_if->msk_cdata.msk_jumbo_rx_tag) {
2603 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2604 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2605 if (jrxd->rx_dmamap) {
2607 sc_if->msk_cdata.msk_jumbo_rx_tag,
2609 jrxd->rx_dmamap = NULL;
2612 if (sc_if->msk_cdata.msk_jumbo_rx_sparemap) {
2613 bus_dmamap_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag,
2614 sc_if->msk_cdata.msk_jumbo_rx_sparemap);
2615 sc_if->msk_cdata.msk_jumbo_rx_sparemap = 0;
2617 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag);
2618 sc_if->msk_cdata.msk_jumbo_rx_tag = NULL;
2623 msk_encap(struct msk_if_softc *sc_if, struct mbuf **m_head)
2625 struct msk_txdesc *txd, *txd_last;
2626 struct msk_tx_desc *tx_le;
2629 bus_dma_segment_t txsegs[MSK_MAXTXSEGS];
2630 uint32_t control, csum, prod, si;
2631 uint16_t offset, tcp_offset, tso_mtu;
2632 int error, i, nseg, tso;
2634 MSK_IF_LOCK_ASSERT(sc_if);
2636 tcp_offset = offset = 0;
2638 if (((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
2639 (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) ||
2640 ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
2641 (m->m_pkthdr.csum_flags & CSUM_TSO) != 0)) {
2643 * Since mbuf has no protocol specific structure information
2644 * in it we have to inspect protocol information here to
2645 * setup TSO and checksum offload. I don't know why Marvell
2646 * made a such decision in chip design because other GigE
2647 * hardwares normally takes care of all these chores in
2648 * hardware. However, TSO performance of Yukon II is very
2649 * good such that it's worth to implement it.
2651 struct ether_header *eh;
2655 if (M_WRITABLE(m) == 0) {
2656 /* Get a writable copy. */
2657 m = m_dup(*m_head, M_NOWAIT);
2666 offset = sizeof(struct ether_header);
2667 m = m_pullup(m, offset);
2672 eh = mtod(m, struct ether_header *);
2673 /* Check if hardware VLAN insertion is off. */
2674 if (eh->ether_type == htons(ETHERTYPE_VLAN)) {
2675 offset = sizeof(struct ether_vlan_header);
2676 m = m_pullup(m, offset);
2682 m = m_pullup(m, offset + sizeof(struct ip));
2687 ip = (struct ip *)(mtod(m, char *) + offset);
2688 offset += (ip->ip_hl << 2);
2689 tcp_offset = offset;
2690 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {
2691 m = m_pullup(m, offset + sizeof(struct tcphdr));
2696 tcp = (struct tcphdr *)(mtod(m, char *) + offset);
2697 offset += (tcp->th_off << 2);
2698 } else if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
2699 (m->m_pkthdr.len < MSK_MIN_FRAMELEN) &&
2700 (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) {
2702 * It seems that Yukon II has Tx checksum offload bug
2703 * for small TCP packets that's less than 60 bytes in
2704 * size (e.g. TCP window probe packet, pure ACK packet).
2705 * Common work around like padding with zeros to make
2706 * the frame minimum ethernet frame size didn't work at
2708 * Instead of disabling checksum offload completely we
2709 * resort to S/W checksum routine when we encounter
2711 * Short UDP packets appear to be handled correctly by
2712 * Yukon II. Also I assume this bug does not happen on
2713 * controllers that use newer descriptor format or
2714 * automatic Tx checksum calculation.
2716 m = m_pullup(m, offset + sizeof(struct tcphdr));
2721 *(uint16_t *)(m->m_data + offset +
2722 m->m_pkthdr.csum_data) = in_cksum_skip(m,
2723 m->m_pkthdr.len, offset);
2724 m->m_pkthdr.csum_flags &= ~CSUM_TCP;
2729 prod = sc_if->msk_cdata.msk_tx_prod;
2730 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2732 map = txd->tx_dmamap;
2733 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, map,
2734 *m_head, txsegs, &nseg, BUS_DMA_NOWAIT);
2735 if (error == EFBIG) {
2736 m = m_collapse(*m_head, M_NOWAIT, MSK_MAXTXSEGS);
2743 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag,
2744 map, *m_head, txsegs, &nseg, BUS_DMA_NOWAIT);
2750 } else if (error != 0)
2758 /* Check number of available descriptors. */
2759 if (sc_if->msk_cdata.msk_tx_cnt + nseg >=
2760 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT)) {
2761 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, map);
2769 /* Check TSO support. */
2770 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {
2771 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
2772 tso_mtu = m->m_pkthdr.tso_segsz;
2774 tso_mtu = offset + m->m_pkthdr.tso_segsz;
2775 if (tso_mtu != sc_if->msk_cdata.msk_tso_mtu) {
2776 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2777 tx_le->msk_addr = htole32(tso_mtu);
2778 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
2779 tx_le->msk_control = htole32(OP_MSS | HW_OWNER);
2781 tx_le->msk_control =
2782 htole32(OP_LRGLEN | HW_OWNER);
2783 sc_if->msk_cdata.msk_tx_cnt++;
2784 MSK_INC(prod, MSK_TX_RING_CNT);
2785 sc_if->msk_cdata.msk_tso_mtu = tso_mtu;
2789 /* Check if we have a VLAN tag to insert. */
2790 if ((m->m_flags & M_VLANTAG) != 0) {
2791 if (tx_le == NULL) {
2792 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2793 tx_le->msk_addr = htole32(0);
2794 tx_le->msk_control = htole32(OP_VLAN | HW_OWNER |
2795 htons(m->m_pkthdr.ether_vtag));
2796 sc_if->msk_cdata.msk_tx_cnt++;
2797 MSK_INC(prod, MSK_TX_RING_CNT);
2799 tx_le->msk_control |= htole32(OP_VLAN |
2800 htons(m->m_pkthdr.ether_vtag));
2802 control |= INS_VLAN;
2804 /* Check if we have to handle checksum offload. */
2805 if (tso == 0 && (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) {
2806 if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) != 0)
2809 control |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM;
2810 if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0)
2812 /* Checksum write position. */
2813 csum = (tcp_offset + m->m_pkthdr.csum_data) & 0xffff;
2814 /* Checksum start position. */
2815 csum |= (uint32_t)tcp_offset << 16;
2816 if (csum != sc_if->msk_cdata.msk_last_csum) {
2817 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2818 tx_le->msk_addr = htole32(csum);
2819 tx_le->msk_control = htole32(1 << 16 |
2820 (OP_TCPLISW | HW_OWNER));
2821 sc_if->msk_cdata.msk_tx_cnt++;
2822 MSK_INC(prod, MSK_TX_RING_CNT);
2823 sc_if->msk_cdata.msk_last_csum = csum;
2828 #ifdef MSK_64BIT_DMA
2829 if (MSK_ADDR_HI(txsegs[0].ds_addr) !=
2830 sc_if->msk_cdata.msk_tx_high_addr) {
2831 sc_if->msk_cdata.msk_tx_high_addr =
2832 MSK_ADDR_HI(txsegs[0].ds_addr);
2833 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2834 tx_le->msk_addr = htole32(MSK_ADDR_HI(txsegs[0].ds_addr));
2835 tx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
2836 sc_if->msk_cdata.msk_tx_cnt++;
2837 MSK_INC(prod, MSK_TX_RING_CNT);
2841 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2842 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[0].ds_addr));
2844 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2847 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2849 sc_if->msk_cdata.msk_tx_cnt++;
2850 MSK_INC(prod, MSK_TX_RING_CNT);
2852 for (i = 1; i < nseg; i++) {
2853 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2854 #ifdef MSK_64BIT_DMA
2855 if (MSK_ADDR_HI(txsegs[i].ds_addr) !=
2856 sc_if->msk_cdata.msk_tx_high_addr) {
2857 sc_if->msk_cdata.msk_tx_high_addr =
2858 MSK_ADDR_HI(txsegs[i].ds_addr);
2859 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2861 htole32(MSK_ADDR_HI(txsegs[i].ds_addr));
2862 tx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
2863 sc_if->msk_cdata.msk_tx_cnt++;
2864 MSK_INC(prod, MSK_TX_RING_CNT);
2865 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2868 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[i].ds_addr));
2869 tx_le->msk_control = htole32(txsegs[i].ds_len | control |
2870 OP_BUFFER | HW_OWNER);
2871 sc_if->msk_cdata.msk_tx_cnt++;
2872 MSK_INC(prod, MSK_TX_RING_CNT);
2874 /* Update producer index. */
2875 sc_if->msk_cdata.msk_tx_prod = prod;
2877 /* Set EOP on the last descriptor. */
2878 prod = (prod + MSK_TX_RING_CNT - 1) % MSK_TX_RING_CNT;
2879 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2880 tx_le->msk_control |= htole32(EOP);
2882 /* Turn the first descriptor ownership to hardware. */
2883 tx_le = &sc_if->msk_rdata.msk_tx_ring[si];
2884 tx_le->msk_control |= htole32(HW_OWNER);
2886 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2887 map = txd_last->tx_dmamap;
2888 txd_last->tx_dmamap = txd->tx_dmamap;
2889 txd->tx_dmamap = map;
2892 /* Sync descriptors. */
2893 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, map, BUS_DMASYNC_PREWRITE);
2894 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
2895 sc_if->msk_cdata.msk_tx_ring_map,
2896 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
2902 msk_start(struct ifnet *ifp)
2904 struct msk_if_softc *sc_if;
2906 sc_if = ifp->if_softc;
2908 msk_start_locked(ifp);
2909 MSK_IF_UNLOCK(sc_if);
2913 msk_start_locked(struct ifnet *ifp)
2915 struct msk_if_softc *sc_if;
2916 struct mbuf *m_head;
2919 sc_if = ifp->if_softc;
2920 MSK_IF_LOCK_ASSERT(sc_if);
2922 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
2923 IFF_DRV_RUNNING || (sc_if->msk_flags & MSK_FLAG_LINK) == 0)
2926 for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) &&
2927 sc_if->msk_cdata.msk_tx_cnt <
2928 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT); ) {
2929 IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
2933 * Pack the data into the transmit ring. If we
2934 * don't have room, set the OACTIVE flag and wait
2935 * for the NIC to drain the ring.
2937 if (msk_encap(sc_if, &m_head) != 0) {
2940 IFQ_DRV_PREPEND(&ifp->if_snd, m_head);
2941 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2947 * If there's a BPF listener, bounce a copy of this frame
2950 ETHER_BPF_MTAP(ifp, m_head);
2955 CSR_WRITE_2(sc_if->msk_softc,
2956 Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_PUT_IDX_REG),
2957 sc_if->msk_cdata.msk_tx_prod);
2959 /* Set a timeout in case the chip goes out to lunch. */
2960 sc_if->msk_watchdog_timer = MSK_TX_TIMEOUT;
2965 msk_watchdog(struct msk_if_softc *sc_if)
2969 MSK_IF_LOCK_ASSERT(sc_if);
2971 if (sc_if->msk_watchdog_timer == 0 || --sc_if->msk_watchdog_timer)
2973 ifp = sc_if->msk_ifp;
2974 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0) {
2976 if_printf(sc_if->msk_ifp, "watchdog timeout "
2978 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
2979 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2980 msk_init_locked(sc_if);
2984 if_printf(ifp, "watchdog timeout\n");
2985 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
2986 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2987 msk_init_locked(sc_if);
2988 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
2989 msk_start_locked(ifp);
2993 mskc_shutdown(device_t dev)
2995 struct msk_softc *sc;
2998 sc = device_get_softc(dev);
3000 for (i = 0; i < sc->msk_num_port; i++) {
3001 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3002 ((sc->msk_if[i]->msk_ifp->if_drv_flags &
3003 IFF_DRV_RUNNING) != 0))
3004 msk_stop(sc->msk_if[i]);
3008 /* Put hardware reset. */
3009 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
3014 mskc_suspend(device_t dev)
3016 struct msk_softc *sc;
3019 sc = device_get_softc(dev);
3023 for (i = 0; i < sc->msk_num_port; i++) {
3024 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3025 ((sc->msk_if[i]->msk_ifp->if_drv_flags &
3026 IFF_DRV_RUNNING) != 0))
3027 msk_stop(sc->msk_if[i]);
3030 /* Disable all interrupts. */
3031 CSR_WRITE_4(sc, B0_IMSK, 0);
3032 CSR_READ_4(sc, B0_IMSK);
3033 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
3034 CSR_READ_4(sc, B0_HWE_IMSK);
3036 msk_phy_power(sc, MSK_PHY_POWERDOWN);
3038 /* Put hardware reset. */
3039 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
3040 sc->msk_pflags |= MSK_FLAG_SUSPEND;
3048 mskc_resume(device_t dev)
3050 struct msk_softc *sc;
3053 sc = device_get_softc(dev);
3057 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
3059 for (i = 0; i < sc->msk_num_port; i++) {
3060 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3061 ((sc->msk_if[i]->msk_ifp->if_flags & IFF_UP) != 0)) {
3062 sc->msk_if[i]->msk_ifp->if_drv_flags &=
3064 msk_init_locked(sc->msk_if[i]);
3067 sc->msk_pflags &= ~MSK_FLAG_SUSPEND;
3074 #ifndef __NO_STRICT_ALIGNMENT
3075 static __inline void
3076 msk_fixup_rx(struct mbuf *m)
3079 uint16_t *src, *dst;
3081 src = mtod(m, uint16_t *);
3084 for (i = 0; i < (m->m_len / sizeof(uint16_t) + 1); i++)
3087 m->m_data -= (MSK_RX_BUF_ALIGN - ETHER_ALIGN);
3091 static __inline void
3092 msk_rxcsum(struct msk_if_softc *sc_if, uint32_t control, struct mbuf *m)
3094 struct ether_header *eh;
3097 int32_t hlen, len, pktlen, temp32;
3098 uint16_t csum, *opts;
3100 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0) {
3101 if ((control & (CSS_IPV4 | CSS_IPFRAG)) == CSS_IPV4) {
3102 m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
3103 if ((control & CSS_IPV4_CSUM_OK) != 0)
3104 m->m_pkthdr.csum_flags |= CSUM_IP_VALID;
3105 if ((control & (CSS_TCP | CSS_UDP)) != 0 &&
3106 (control & (CSS_TCPUDP_CSUM_OK)) != 0) {
3107 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID |
3109 m->m_pkthdr.csum_data = 0xffff;
3115 * Marvell Yukon controllers that support OP_RXCHKS has known
3116 * to have various Rx checksum offloading bugs. These
3117 * controllers can be configured to compute simple checksum
3118 * at two different positions. So we can compute IP and TCP/UDP
3119 * checksum at the same time. We intentionally have controller
3120 * compute TCP/UDP checksum twice by specifying the same
3121 * checksum start position and compare the result. If the value
3122 * is different it would indicate the hardware logic was wrong.
3124 if ((sc_if->msk_csum & 0xFFFF) != (sc_if->msk_csum >> 16)) {
3126 device_printf(sc_if->msk_if_dev,
3127 "Rx checksum value mismatch!\n");
3130 pktlen = m->m_pkthdr.len;
3131 if (pktlen < sizeof(struct ether_header) + sizeof(struct ip))
3133 eh = mtod(m, struct ether_header *);
3134 if (eh->ether_type != htons(ETHERTYPE_IP))
3136 ip = (struct ip *)(eh + 1);
3137 if (ip->ip_v != IPVERSION)
3140 hlen = ip->ip_hl << 2;
3141 pktlen -= sizeof(struct ether_header);
3142 if (hlen < sizeof(struct ip))
3144 if (ntohs(ip->ip_len) < hlen)
3146 if (ntohs(ip->ip_len) != pktlen)
3148 if (ip->ip_off & htons(IP_MF | IP_OFFMASK))
3149 return; /* can't handle fragmented packet. */
3153 if (pktlen < (hlen + sizeof(struct tcphdr)))
3157 if (pktlen < (hlen + sizeof(struct udphdr)))
3159 uh = (struct udphdr *)((caddr_t)ip + hlen);
3160 if (uh->uh_sum == 0)
3161 return; /* no checksum */
3166 csum = bswap16(sc_if->msk_csum & 0xFFFF);
3167 /* Checksum fixup for IP options. */
3168 len = hlen - sizeof(struct ip);
3170 opts = (uint16_t *)(ip + 1);
3171 for (; len > 0; len -= sizeof(uint16_t), opts++) {
3172 temp32 = csum - *opts;
3173 temp32 = (temp32 >> 16) + (temp32 & 65535);
3174 csum = temp32 & 65535;
3177 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID;
3178 m->m_pkthdr.csum_data = csum;
3182 msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
3187 struct msk_rxdesc *rxd;
3190 ifp = sc_if->msk_ifp;
3192 MSK_IF_LOCK_ASSERT(sc_if);
3194 cons = sc_if->msk_cdata.msk_rx_cons;
3196 rxlen = status >> 16;
3197 if ((status & GMR_FS_VLAN) != 0 &&
3198 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
3199 rxlen -= ETHER_VLAN_ENCAP_LEN;
3200 if ((sc_if->msk_flags & MSK_FLAG_NORXCHK) != 0) {
3202 * For controllers that returns bogus status code
3203 * just do minimal check and let upper stack
3204 * handle this frame.
3206 if (len > MSK_MAX_FRAMELEN || len < ETHER_HDR_LEN) {
3207 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
3208 msk_discard_rxbuf(sc_if, cons);
3211 } else if (len > sc_if->msk_framesize ||
3212 ((status & GMR_FS_ANY_ERR) != 0) ||
3213 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
3214 /* Don't count flow-control packet as errors. */
3215 if ((status & GMR_FS_GOOD_FC) == 0)
3216 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
3217 msk_discard_rxbuf(sc_if, cons);
3220 #ifdef MSK_64BIT_DMA
3221 rxd = &sc_if->msk_cdata.msk_rxdesc[(cons + 1) %
3224 rxd = &sc_if->msk_cdata.msk_rxdesc[cons];
3227 if (msk_newbuf(sc_if, cons) != 0) {
3228 if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1);
3229 /* Reuse old buffer. */
3230 msk_discard_rxbuf(sc_if, cons);
3233 m->m_pkthdr.rcvif = ifp;
3234 m->m_pkthdr.len = m->m_len = len;
3235 #ifndef __NO_STRICT_ALIGNMENT
3236 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
3239 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);
3240 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0)
3241 msk_rxcsum(sc_if, control, m);
3242 /* Check for VLAN tagged packets. */
3243 if ((status & GMR_FS_VLAN) != 0 &&
3244 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
3245 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
3246 m->m_flags |= M_VLANTAG;
3248 MSK_IF_UNLOCK(sc_if);
3249 (*ifp->if_input)(ifp, m);
3253 MSK_RX_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
3254 MSK_RX_INC(sc_if->msk_cdata.msk_rx_prod, MSK_RX_RING_CNT);
3258 msk_jumbo_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
3263 struct msk_rxdesc *jrxd;
3266 ifp = sc_if->msk_ifp;
3268 MSK_IF_LOCK_ASSERT(sc_if);
3270 cons = sc_if->msk_cdata.msk_rx_cons;
3272 rxlen = status >> 16;
3273 if ((status & GMR_FS_VLAN) != 0 &&
3274 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
3275 rxlen -= ETHER_VLAN_ENCAP_LEN;
3276 if (len > sc_if->msk_framesize ||
3277 ((status & GMR_FS_ANY_ERR) != 0) ||
3278 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
3279 /* Don't count flow-control packet as errors. */
3280 if ((status & GMR_FS_GOOD_FC) == 0)
3281 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
3282 msk_discard_jumbo_rxbuf(sc_if, cons);
3285 #ifdef MSK_64BIT_DMA
3286 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[(cons + 1) %
3287 MSK_JUMBO_RX_RING_CNT];
3289 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons];
3292 if (msk_jumbo_newbuf(sc_if, cons) != 0) {
3293 if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1);
3294 /* Reuse old buffer. */
3295 msk_discard_jumbo_rxbuf(sc_if, cons);
3298 m->m_pkthdr.rcvif = ifp;
3299 m->m_pkthdr.len = m->m_len = len;
3300 #ifndef __NO_STRICT_ALIGNMENT
3301 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
3304 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);
3305 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0)
3306 msk_rxcsum(sc_if, control, m);
3307 /* Check for VLAN tagged packets. */
3308 if ((status & GMR_FS_VLAN) != 0 &&
3309 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
3310 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
3311 m->m_flags |= M_VLANTAG;
3313 MSK_IF_UNLOCK(sc_if);
3314 (*ifp->if_input)(ifp, m);
3318 MSK_RX_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
3319 MSK_RX_INC(sc_if->msk_cdata.msk_rx_prod, MSK_JUMBO_RX_RING_CNT);
3323 msk_txeof(struct msk_if_softc *sc_if, int idx)
3325 struct msk_txdesc *txd;
3326 struct msk_tx_desc *cur_tx;
3331 MSK_IF_LOCK_ASSERT(sc_if);
3333 ifp = sc_if->msk_ifp;
3335 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
3336 sc_if->msk_cdata.msk_tx_ring_map,
3337 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3339 * Go through our tx ring and free mbufs for those
3340 * frames that have been sent.
3342 cons = sc_if->msk_cdata.msk_tx_cons;
3344 for (; cons != idx; MSK_INC(cons, MSK_TX_RING_CNT)) {
3345 if (sc_if->msk_cdata.msk_tx_cnt <= 0)
3348 cur_tx = &sc_if->msk_rdata.msk_tx_ring[cons];
3349 control = le32toh(cur_tx->msk_control);
3350 sc_if->msk_cdata.msk_tx_cnt--;
3351 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3352 if ((control & EOP) == 0)
3354 txd = &sc_if->msk_cdata.msk_txdesc[cons];
3355 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap,
3356 BUS_DMASYNC_POSTWRITE);
3357 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap);
3359 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
3360 KASSERT(txd->tx_m != NULL, ("%s: freeing NULL mbuf!",
3367 sc_if->msk_cdata.msk_tx_cons = cons;
3368 if (sc_if->msk_cdata.msk_tx_cnt == 0)
3369 sc_if->msk_watchdog_timer = 0;
3370 /* No need to sync LEs as we didn't update LEs. */
3375 msk_tick(void *xsc_if)
3377 struct epoch_tracker et;
3378 struct msk_if_softc *sc_if;
3379 struct mii_data *mii;
3383 MSK_IF_LOCK_ASSERT(sc_if);
3385 mii = device_get_softc(sc_if->msk_miibus);
3388 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0)
3389 msk_miibus_statchg(sc_if->msk_if_dev);
3390 NET_EPOCH_ENTER(et);
3391 msk_handle_events(sc_if->msk_softc);
3393 msk_watchdog(sc_if);
3394 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
3398 msk_intr_phy(struct msk_if_softc *sc_if)
3402 msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
3403 status = msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
3404 /* Handle FIFO Underrun/Overflow? */
3405 if ((status & PHY_M_IS_FIFO_ERROR))
3406 device_printf(sc_if->msk_if_dev,
3407 "PHY FIFO underrun/overflow.\n");
3411 msk_intr_gmac(struct msk_if_softc *sc_if)
3413 struct msk_softc *sc;
3416 sc = sc_if->msk_softc;
3417 status = CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3419 /* GMAC Rx FIFO overrun. */
3420 if ((status & GM_IS_RX_FF_OR) != 0)
3421 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
3423 /* GMAC Tx FIFO underrun. */
3424 if ((status & GM_IS_TX_FF_UR) != 0) {
3425 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3427 device_printf(sc_if->msk_if_dev, "Tx FIFO underrun!\n");
3430 * In case of Tx underrun, we may need to flush/reset
3431 * Tx MAC but that would also require resynchronization
3432 * with status LEs. Reinitializing status LEs would
3433 * affect other port in dual MAC configuration so it
3434 * should be avoided as possible as we can.
3435 * Due to lack of documentation it's all vague guess but
3436 * it needs more investigation.
3442 msk_handle_hwerr(struct msk_if_softc *sc_if, uint32_t status)
3444 struct msk_softc *sc;
3446 sc = sc_if->msk_softc;
3447 if ((status & Y2_IS_PAR_RD1) != 0) {
3448 device_printf(sc_if->msk_if_dev,
3449 "RAM buffer read parity error\n");
3451 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3454 if ((status & Y2_IS_PAR_WR1) != 0) {
3455 device_printf(sc_if->msk_if_dev,
3456 "RAM buffer write parity error\n");
3458 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3461 if ((status & Y2_IS_PAR_MAC1) != 0) {
3462 device_printf(sc_if->msk_if_dev, "Tx MAC parity error\n");
3464 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3467 if ((status & Y2_IS_PAR_RX1) != 0) {
3468 device_printf(sc_if->msk_if_dev, "Rx parity error\n");
3470 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_IRQ_PAR);
3472 if ((status & (Y2_IS_TCP_TXS1 | Y2_IS_TCP_TXA1)) != 0) {
3473 device_printf(sc_if->msk_if_dev, "TCP segmentation error\n");
3475 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_IRQ_TCP);
3480 msk_intr_hwerr(struct msk_softc *sc)
3483 uint32_t tlphead[4];
3485 status = CSR_READ_4(sc, B0_HWE_ISRC);
3486 /* Time Stamp timer overflow. */
3487 if ((status & Y2_IS_TIST_OV) != 0)
3488 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
3489 if ((status & Y2_IS_PCI_NEXP) != 0) {
3491 * PCI Express Error occurred which is not described in PEX
3493 * This error is also mapped either to Master Abort(
3494 * Y2_IS_MST_ERR) or Target Abort (Y2_IS_IRQ_STAT) bit and
3495 * can only be cleared there.
3497 device_printf(sc->msk_dev,
3498 "PCI Express protocol violation error\n");
3501 if ((status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) != 0) {
3504 if ((status & Y2_IS_MST_ERR) != 0)
3505 device_printf(sc->msk_dev,
3506 "unexpected IRQ Status error\n");
3508 device_printf(sc->msk_dev,
3509 "unexpected IRQ Master error\n");
3510 /* Reset all bits in the PCI status register. */
3511 v16 = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
3512 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3513 pci_write_config(sc->msk_dev, PCIR_STATUS, v16 |
3514 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
3515 PCIM_STATUS_RTABORT | PCIM_STATUS_MDPERR, 2);
3516 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3519 /* Check for PCI Express Uncorrectable Error. */
3520 if ((status & Y2_IS_PCI_EXP) != 0) {
3524 * On PCI Express bus bridges are called root complexes (RC).
3525 * PCI Express errors are recognized by the root complex too,
3526 * which requests the system to handle the problem. After
3527 * error occurrence it may be that no access to the adapter
3528 * may be performed any longer.
3531 v32 = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
3532 if ((v32 & PEX_UNSUP_REQ) != 0) {
3533 /* Ignore unsupported request error. */
3534 device_printf(sc->msk_dev,
3535 "Uncorrectable PCI Express error\n");
3537 if ((v32 & (PEX_FATAL_ERRORS | PEX_POIS_TLP)) != 0) {
3540 /* Get TLP header form Log Registers. */
3541 for (i = 0; i < 4; i++)
3542 tlphead[i] = CSR_PCI_READ_4(sc,
3543 PEX_HEADER_LOG + i * 4);
3544 /* Check for vendor defined broadcast message. */
3545 if (!(tlphead[0] == 0x73004001 && tlphead[1] == 0x7f)) {
3546 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
3547 CSR_WRITE_4(sc, B0_HWE_IMSK,
3548 sc->msk_intrhwemask);
3549 CSR_READ_4(sc, B0_HWE_IMSK);
3552 /* Clear the interrupt. */
3553 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3554 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
3555 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3558 if ((status & Y2_HWE_L1_MASK) != 0 && sc->msk_if[MSK_PORT_A] != NULL)
3559 msk_handle_hwerr(sc->msk_if[MSK_PORT_A], status);
3560 if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL)
3561 msk_handle_hwerr(sc->msk_if[MSK_PORT_B], status >> 8);
3564 static __inline void
3565 msk_rxput(struct msk_if_softc *sc_if)
3567 struct msk_softc *sc;
3569 sc = sc_if->msk_softc;
3570 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN))
3572 sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
3573 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
3574 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3577 sc_if->msk_cdata.msk_rx_ring_tag,
3578 sc_if->msk_cdata.msk_rx_ring_map,
3579 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3580 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq,
3581 PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod);
3585 msk_handle_events(struct msk_softc *sc)
3587 struct msk_if_softc *sc_if;
3589 struct msk_stat_desc *sd;
3590 uint32_t control, status;
3591 int cons, len, port, rxprog;
3593 if (sc->msk_stat_cons == CSR_READ_2(sc, STAT_PUT_IDX))
3596 /* Sync status LEs. */
3597 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
3598 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3600 rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0;
3602 cons = sc->msk_stat_cons;
3604 sd = &sc->msk_stat_ring[cons];
3605 control = le32toh(sd->msk_control);
3606 if ((control & HW_OWNER) == 0)
3608 control &= ~HW_OWNER;
3609 sd->msk_control = htole32(control);
3610 status = le32toh(sd->msk_status);
3611 len = control & STLE_LEN_MASK;
3612 port = (control >> 16) & 0x01;
3613 sc_if = sc->msk_if[port];
3614 if (sc_if == NULL) {
3615 device_printf(sc->msk_dev, "invalid port opcode "
3616 "0x%08x\n", control & STLE_OP_MASK);
3620 switch (control & STLE_OP_MASK) {
3622 sc_if->msk_vtag = ntohs(len);
3625 sc_if->msk_vtag = ntohs(len);
3628 sc_if->msk_csum = status;
3631 if (!(sc_if->msk_ifp->if_drv_flags & IFF_DRV_RUNNING))
3633 if (sc_if->msk_framesize >
3634 (MCLBYTES - MSK_RX_BUF_ALIGN))
3635 msk_jumbo_rxeof(sc_if, status, control, len);
3637 msk_rxeof(sc_if, status, control, len);
3640 * Because there is no way to sync single Rx LE
3641 * put the DMA sync operation off until the end of
3645 /* Update prefetch unit if we've passed water mark. */
3646 if (rxput[port] >= sc_if->msk_cdata.msk_rx_putwm) {
3652 if (sc->msk_if[MSK_PORT_A] != NULL)
3653 msk_txeof(sc->msk_if[MSK_PORT_A],
3654 status & STLE_TXA1_MSKL);
3655 if (sc->msk_if[MSK_PORT_B] != NULL)
3656 msk_txeof(sc->msk_if[MSK_PORT_B],
3657 ((status & STLE_TXA2_MSKL) >>
3659 ((len & STLE_TXA2_MSKH) <<
3663 device_printf(sc->msk_dev, "unhandled opcode 0x%08x\n",
3664 control & STLE_OP_MASK);
3667 MSK_INC(cons, sc->msk_stat_count);
3668 if (rxprog > sc->msk_process_limit)
3672 sc->msk_stat_cons = cons;
3673 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
3674 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3676 if (rxput[MSK_PORT_A] > 0)
3677 msk_rxput(sc->msk_if[MSK_PORT_A]);
3678 if (rxput[MSK_PORT_B] > 0)
3679 msk_rxput(sc->msk_if[MSK_PORT_B]);
3681 return (sc->msk_stat_cons != CSR_READ_2(sc, STAT_PUT_IDX));
3687 struct msk_softc *sc;
3688 struct msk_if_softc *sc_if0, *sc_if1;
3689 struct ifnet *ifp0, *ifp1;
3696 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */
3697 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2);
3698 if (status == 0 || status == 0xffffffff ||
3699 (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 ||
3700 (status & sc->msk_intrmask) == 0) {
3701 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3706 sc_if0 = sc->msk_if[MSK_PORT_A];
3707 sc_if1 = sc->msk_if[MSK_PORT_B];
3710 ifp0 = sc_if0->msk_ifp;
3712 ifp1 = sc_if1->msk_ifp;
3714 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL)
3715 msk_intr_phy(sc_if0);
3716 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL)
3717 msk_intr_phy(sc_if1);
3718 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL)
3719 msk_intr_gmac(sc_if0);
3720 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL)
3721 msk_intr_gmac(sc_if1);
3722 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) {
3723 device_printf(sc->msk_dev, "Rx descriptor error\n");
3724 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2);
3725 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3726 CSR_READ_4(sc, B0_IMSK);
3728 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) {
3729 device_printf(sc->msk_dev, "Tx descriptor error\n");
3730 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2);
3731 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3732 CSR_READ_4(sc, B0_IMSK);
3734 if ((status & Y2_IS_HW_ERR) != 0)
3737 domore = msk_handle_events(sc);
3738 if ((status & Y2_IS_STAT_BMU) != 0 && domore == 0)
3739 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ);
3741 /* Reenable interrupts. */
3742 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3744 if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
3745 !IFQ_DRV_IS_EMPTY(&ifp0->if_snd))
3746 msk_start_locked(ifp0);
3747 if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
3748 !IFQ_DRV_IS_EMPTY(&ifp1->if_snd))
3749 msk_start_locked(ifp1);
3755 msk_set_tx_stfwd(struct msk_if_softc *sc_if)
3757 struct msk_softc *sc;
3760 ifp = sc_if->msk_ifp;
3761 sc = sc_if->msk_softc;
3762 if ((sc->msk_hw_id == CHIP_ID_YUKON_EX &&
3763 sc->msk_hw_rev != CHIP_REV_YU_EX_A0) ||
3764 sc->msk_hw_id >= CHIP_ID_YUKON_SUPR) {
3765 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3768 if (ifp->if_mtu > ETHERMTU) {
3769 /* Set Tx GMAC FIFO Almost Empty Threshold. */
3771 MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR),
3772 MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR);
3773 /* Disable Store & Forward mode for Tx. */
3774 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3777 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3786 struct msk_if_softc *sc_if = xsc;
3789 msk_init_locked(sc_if);
3790 MSK_IF_UNLOCK(sc_if);
3794 msk_init_locked(struct msk_if_softc *sc_if)
3796 struct msk_softc *sc;
3798 struct mii_data *mii;
3804 MSK_IF_LOCK_ASSERT(sc_if);
3806 ifp = sc_if->msk_ifp;
3807 sc = sc_if->msk_softc;
3808 mii = device_get_softc(sc_if->msk_miibus);
3810 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
3814 /* Cancel pending I/O and free all Rx/Tx buffers. */
3817 if (ifp->if_mtu < ETHERMTU)
3818 sc_if->msk_framesize = ETHERMTU;
3820 sc_if->msk_framesize = ifp->if_mtu;
3821 sc_if->msk_framesize += ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
3822 if (ifp->if_mtu > ETHERMTU &&
3823 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
3824 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
3825 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
3828 /* GMAC Control reset. */
3829 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_SET);
3830 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_CLR);
3831 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_F_LOOPB_OFF);
3832 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
3833 sc->msk_hw_id == CHIP_ID_YUKON_SUPR)
3834 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL),
3835 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
3839 * Initialize GMAC first such that speed/duplex/flow-control
3840 * parameters are renegotiated when interface is brought up.
3842 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, 0);
3844 /* Dummy read the Interrupt Source Register. */
3845 CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3847 /* Clear MIB stats. */
3848 msk_stats_clear(sc_if);
3851 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, GM_RXCR_CRC_DIS);
3853 /* Setup Transmit Control Register. */
3854 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF));
3856 /* Setup Transmit Flow Control Register. */
3857 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_FLOW_CTRL, 0xffff);
3859 /* Setup Transmit Parameter Register. */
3860 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_PARAM,
3861 TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) |
3862 TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF));
3864 gmac = DATA_BLIND_VAL(DATA_BLIND_DEF) |
3865 GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
3867 if (ifp->if_mtu > ETHERMTU)
3868 gmac |= GM_SMOD_JUMBO_ENA;
3869 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac);
3871 /* Set station address. */
3872 eaddr = IF_LLADDR(ifp);
3873 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L,
3874 eaddr[0] | (eaddr[1] << 8));
3875 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1M,
3876 eaddr[2] | (eaddr[3] << 8));
3877 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1H,
3878 eaddr[4] | (eaddr[5] << 8));
3879 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L,
3880 eaddr[0] | (eaddr[1] << 8));
3881 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2M,
3882 eaddr[2] | (eaddr[3] << 8));
3883 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2H,
3884 eaddr[4] | (eaddr[5] << 8));
3886 /* Disable interrupts for counter overflows. */
3887 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_IRQ_MSK, 0);
3888 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_IRQ_MSK, 0);
3889 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TR_IRQ_MSK, 0);
3891 /* Configure Rx MAC FIFO. */
3892 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
3893 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR);
3894 reg = GMF_OPER_ON | GMF_RX_F_FL_ON;
3895 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P ||
3896 sc->msk_hw_id == CHIP_ID_YUKON_EX)
3897 reg |= GMF_RX_OVER_ON;
3898 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), reg);
3900 /* Set receive filter. */
3901 msk_rxfilter(sc_if);
3903 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
3904 /* Clear flush mask - HW bug. */
3905 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 0);
3907 /* Flush Rx MAC FIFO on any flow control or error. */
3908 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK),
3913 * Set Rx FIFO flush threshold to 64 bytes + 1 FIFO word
3914 * due to hardware hang on receipt of pause frames.
3916 reg = RX_GMF_FL_THR_DEF + 1;
3917 /* Another magic for Yukon FE+ - From Linux. */
3918 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3919 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0)
3921 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), reg);
3923 /* Configure Tx MAC FIFO. */
3924 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
3925 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR);
3926 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_OPER_ON);
3928 /* Configure hardware VLAN tag insertion/stripping. */
3929 msk_setvlan(sc_if, ifp);
3931 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) {
3932 /* Set Rx Pause threshold. */
3933 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR),
3935 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR),
3937 /* Configure store-and-forward for Tx. */
3938 msk_set_tx_stfwd(sc_if);
3941 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3942 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
3943 /* Disable dynamic watermark - from Linux. */
3944 reg = CSR_READ_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA));
3946 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA), reg);
3950 * Disable Force Sync bit and Alloc bit in Tx RAM interface
3951 * arbiter as we don't use Sync Tx queue.
3953 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL),
3954 TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
3955 /* Enable the RAM Interface Arbiter. */
3956 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_ENA_ARB);
3958 /* Setup RAM buffer. */
3959 msk_set_rambuffer(sc_if);
3961 /* Disable Tx sync Queue. */
3962 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txsq, RB_CTRL), RB_RST_SET);
3964 /* Setup Tx Queue Bus Memory Interface. */
3965 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_RESET);
3966 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_OPER_INIT);
3967 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_FIFO_OP_ON);
3968 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_WM), MSK_BMU_TX_WM);
3969 switch (sc->msk_hw_id) {
3970 case CHIP_ID_YUKON_EC_U:
3971 if (sc->msk_hw_rev == CHIP_REV_YU_EC_U_A0) {
3972 /* Fix for Yukon-EC Ultra: set BMU FIFO level */
3973 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_AL),
3977 case CHIP_ID_YUKON_EX:
3979 * Yukon Extreme seems to have silicon bug for
3980 * automatic Tx checksum calculation capability.
3982 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
3983 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_F),
3988 /* Setup Rx Queue Bus Memory Interface. */
3989 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_RESET);
3990 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_OPER_INIT);
3991 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_FIFO_OP_ON);
3992 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_rxq, Q_WM), MSK_BMU_RX_WM);
3993 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U &&
3994 sc->msk_hw_rev >= CHIP_REV_YU_EC_U_A1) {
3995 /* MAC Rx RAM Read is controlled by hardware. */
3996 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_F), F_M_RX_RAM_DIS);
3999 msk_set_prefetch(sc, sc_if->msk_txq,
4000 sc_if->msk_rdata.msk_tx_ring_paddr, MSK_TX_RING_CNT - 1);
4001 msk_init_tx_ring(sc_if);
4003 /* Disable Rx checksum offload and RSS hash. */
4004 reg = BMU_DIS_RX_RSS_HASH;
4005 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
4006 (ifp->if_capenable & IFCAP_RXCSUM) != 0)
4007 reg |= BMU_ENA_RX_CHKSUM;
4009 reg |= BMU_DIS_RX_CHKSUM;
4010 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), reg);
4011 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) {
4012 msk_set_prefetch(sc, sc_if->msk_rxq,
4013 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr,
4014 MSK_JUMBO_RX_RING_CNT - 1);
4015 error = msk_init_jumbo_rx_ring(sc_if);
4017 msk_set_prefetch(sc, sc_if->msk_rxq,
4018 sc_if->msk_rdata.msk_rx_ring_paddr,
4019 MSK_RX_RING_CNT - 1);
4020 error = msk_init_rx_ring(sc_if);
4023 device_printf(sc_if->msk_if_dev,
4024 "initialization failed: no memory for Rx buffers\n");
4028 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
4029 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
4030 /* Disable flushing of non-ASF packets. */
4031 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
4032 GMF_RX_MACSEC_FLUSH_OFF);
4035 /* Configure interrupt handling. */
4036 if (sc_if->msk_port == MSK_PORT_A) {
4037 sc->msk_intrmask |= Y2_IS_PORT_A;
4038 sc->msk_intrhwemask |= Y2_HWE_L1_MASK;
4040 sc->msk_intrmask |= Y2_IS_PORT_B;
4041 sc->msk_intrhwemask |= Y2_HWE_L2_MASK;
4043 /* Configure IRQ moderation mask. */
4044 CSR_WRITE_4(sc, B2_IRQM_MSK, sc->msk_intrmask);
4045 if (sc->msk_int_holdoff > 0) {
4046 /* Configure initial IRQ moderation timer value. */
4047 CSR_WRITE_4(sc, B2_IRQM_INI,
4048 MSK_USECS(sc, sc->msk_int_holdoff));
4049 CSR_WRITE_4(sc, B2_IRQM_VAL,
4050 MSK_USECS(sc, sc->msk_int_holdoff));
4051 /* Start IRQ moderation. */
4052 CSR_WRITE_1(sc, B2_IRQM_CTRL, TIM_START);
4054 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
4055 CSR_READ_4(sc, B0_HWE_IMSK);
4056 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
4057 CSR_READ_4(sc, B0_IMSK);
4059 ifp->if_drv_flags |= IFF_DRV_RUNNING;
4060 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4062 sc_if->msk_flags &= ~MSK_FLAG_LINK;
4065 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
4069 msk_set_rambuffer(struct msk_if_softc *sc_if)
4071 struct msk_softc *sc;
4074 sc = sc_if->msk_softc;
4075 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
4078 /* Setup Rx Queue. */
4079 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_CLR);
4080 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_START),
4081 sc->msk_rxqstart[sc_if->msk_port] / 8);
4082 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_END),
4083 sc->msk_rxqend[sc_if->msk_port] / 8);
4084 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_WP),
4085 sc->msk_rxqstart[sc_if->msk_port] / 8);
4086 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RP),
4087 sc->msk_rxqstart[sc_if->msk_port] / 8);
4089 utpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
4090 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_ULPP) / 8;
4091 ltpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
4092 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_LLPP_B) / 8;
4093 if (sc->msk_rxqsize < MSK_MIN_RXQ_SIZE)
4094 ltpp += (MSK_RB_LLPP_B - MSK_RB_LLPP_S) / 8;
4095 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_UTPP), utpp);
4096 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_LTPP), ltpp);
4097 /* Set Rx priority(RB_RX_UTHP/RB_RX_LTHP) thresholds? */
4099 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_ENA_OP_MD);
4100 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL));
4102 /* Setup Tx Queue. */
4103 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_CLR);
4104 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_START),
4105 sc->msk_txqstart[sc_if->msk_port] / 8);
4106 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_END),
4107 sc->msk_txqend[sc_if->msk_port] / 8);
4108 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_WP),
4109 sc->msk_txqstart[sc_if->msk_port] / 8);
4110 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_RP),
4111 sc->msk_txqstart[sc_if->msk_port] / 8);
4112 /* Enable Store & Forward for Tx side. */
4113 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_STFWD);
4114 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_OP_MD);
4115 CSR_READ_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL));
4119 msk_set_prefetch(struct msk_softc *sc, int qaddr, bus_addr_t addr,
4123 /* Reset the prefetch unit. */
4124 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4126 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4128 /* Set LE base address. */
4129 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_LOW_REG),
4131 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_HI_REG),
4133 /* Set the list last index. */
4134 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_LAST_IDX_REG),
4136 /* Turn on prefetch unit. */
4137 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4139 /* Dummy read to ensure write. */
4140 CSR_READ_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG));
4144 msk_stop(struct msk_if_softc *sc_if)
4146 struct msk_softc *sc;
4147 struct msk_txdesc *txd;
4148 struct msk_rxdesc *rxd;
4149 struct msk_rxdesc *jrxd;
4154 MSK_IF_LOCK_ASSERT(sc_if);
4155 sc = sc_if->msk_softc;
4156 ifp = sc_if->msk_ifp;
4158 callout_stop(&sc_if->msk_tick_ch);
4159 sc_if->msk_watchdog_timer = 0;
4161 /* Disable interrupts. */
4162 if (sc_if->msk_port == MSK_PORT_A) {
4163 sc->msk_intrmask &= ~Y2_IS_PORT_A;
4164 sc->msk_intrhwemask &= ~Y2_HWE_L1_MASK;
4166 sc->msk_intrmask &= ~Y2_IS_PORT_B;
4167 sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK;
4169 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
4170 CSR_READ_4(sc, B0_HWE_IMSK);
4171 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
4172 CSR_READ_4(sc, B0_IMSK);
4174 /* Disable Tx/Rx MAC. */
4175 val = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
4176 val &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
4177 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, val);
4178 /* Read again to ensure writing. */
4179 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
4180 /* Update stats and clear counters. */
4181 msk_stats_update(sc_if);
4184 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP);
4185 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
4186 for (i = 0; i < MSK_TIMEOUT; i++) {
4187 if ((val & (BMU_STOP | BMU_IDLE)) == 0) {
4188 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
4190 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
4195 if (i == MSK_TIMEOUT)
4196 device_printf(sc_if->msk_if_dev, "Tx BMU stop failed\n");
4197 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL),
4198 RB_RST_SET | RB_DIS_OP_MD);
4200 /* Disable all GMAC interrupt. */
4201 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 0);
4202 /* Disable PHY interrupt. */
4203 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
4205 /* Disable the RAM Interface Arbiter. */
4206 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_ARB);
4208 /* Reset the PCI FIFO of the async Tx queue */
4209 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
4210 BMU_RST_SET | BMU_FIFO_RST);
4212 /* Reset the Tx prefetch units. */
4213 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_CTRL_REG),
4216 /* Reset the RAM Buffer async Tx queue. */
4217 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET);
4219 /* Reset Tx MAC FIFO. */
4220 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
4221 /* Set Pause Off. */
4222 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_PAUSE_OFF);
4225 * The Rx Stop command will not work for Yukon-2 if the BMU does not
4226 * reach the end of packet and since we can't make sure that we have
4227 * incoming data, we must reset the BMU while it is not during a DMA
4228 * transfer. Since it is possible that the Rx path is still active,
4229 * the Rx RAM buffer will be stopped first, so any possible incoming
4230 * data will not trigger a DMA. After the RAM buffer is stopped, the
4231 * BMU is polled until any DMA in progress is ended and only then it
4235 /* Disable the RAM Buffer receive queue. */
4236 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_DIS_OP_MD);
4237 for (i = 0; i < MSK_TIMEOUT; i++) {
4238 if (CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RSL)) ==
4239 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RL)))
4243 if (i == MSK_TIMEOUT)
4244 device_printf(sc_if->msk_if_dev, "Rx BMU stop failed\n");
4245 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR),
4246 BMU_RST_SET | BMU_FIFO_RST);
4247 /* Reset the Rx prefetch unit. */
4248 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_CTRL_REG),
4250 /* Reset the RAM Buffer receive queue. */
4251 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_SET);
4252 /* Reset Rx MAC FIFO. */
4253 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
4255 /* Free Rx and Tx mbufs still in the queues. */
4256 for (i = 0; i < MSK_RX_RING_CNT; i++) {
4257 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
4258 if (rxd->rx_m != NULL) {
4259 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag,
4260 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
4261 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag,
4267 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
4268 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
4269 if (jrxd->rx_m != NULL) {
4270 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
4271 jrxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
4272 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
4274 m_freem(jrxd->rx_m);
4278 for (i = 0; i < MSK_TX_RING_CNT; i++) {
4279 txd = &sc_if->msk_cdata.msk_txdesc[i];
4280 if (txd->tx_m != NULL) {
4281 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag,
4282 txd->tx_dmamap, BUS_DMASYNC_POSTWRITE);
4283 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag,
4291 * Mark the interface down.
4293 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
4294 sc_if->msk_flags &= ~MSK_FLAG_LINK;
4298 * When GM_PAR_MIB_CLR bit of GM_PHY_ADDR is set, reading lower
4299 * counter clears high 16 bits of the counter such that accessing
4300 * lower 16 bits should be the last operation.
4302 #define MSK_READ_MIB32(x, y) \
4303 (((uint32_t)GMAC_READ_2(sc, x, (y) + 4)) << 16) + \
4304 (uint32_t)GMAC_READ_2(sc, x, y)
4305 #define MSK_READ_MIB64(x, y) \
4306 (((uint64_t)MSK_READ_MIB32(x, (y) + 8)) << 32) + \
4307 (uint64_t)MSK_READ_MIB32(x, y)
4310 msk_stats_clear(struct msk_if_softc *sc_if)
4312 struct msk_softc *sc;
4317 MSK_IF_LOCK_ASSERT(sc_if);
4319 sc = sc_if->msk_softc;
4320 /* Set MIB Clear Counter Mode. */
4321 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
4322 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
4323 /* Read all MIB Counters with Clear Mode set. */
4324 for (i = GM_RXF_UC_OK; i <= GM_TXE_FIFO_UR; i += sizeof(uint32_t))
4325 reg = MSK_READ_MIB32(sc_if->msk_port, i);
4326 /* Clear MIB Clear Counter Mode. */
4327 gmac &= ~GM_PAR_MIB_CLR;
4328 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
4332 msk_stats_update(struct msk_if_softc *sc_if)
4334 struct msk_softc *sc;
4336 struct msk_hw_stats *stats;
4340 MSK_IF_LOCK_ASSERT(sc_if);
4342 ifp = sc_if->msk_ifp;
4343 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
4345 sc = sc_if->msk_softc;
4346 stats = &sc_if->msk_stats;
4347 /* Set MIB Clear Counter Mode. */
4348 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
4349 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
4352 stats->rx_ucast_frames +=
4353 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_UC_OK);
4354 stats->rx_bcast_frames +=
4355 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_BC_OK);
4356 stats->rx_pause_frames +=
4357 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MPAUSE);
4358 stats->rx_mcast_frames +=
4359 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MC_OK);
4360 stats->rx_crc_errs +=
4361 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_FCS_ERR);
4362 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE1);
4363 stats->rx_good_octets +=
4364 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_OK_LO);
4365 stats->rx_bad_octets +=
4366 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_ERR_LO);
4368 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SHT);
4369 stats->rx_runt_errs +=
4370 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FRAG);
4371 stats->rx_pkts_64 +=
4372 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_64B);
4373 stats->rx_pkts_65_127 +=
4374 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_127B);
4375 stats->rx_pkts_128_255 +=
4376 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_255B);
4377 stats->rx_pkts_256_511 +=
4378 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_511B);
4379 stats->rx_pkts_512_1023 +=
4380 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1023B);
4381 stats->rx_pkts_1024_1518 +=
4382 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1518B);
4383 stats->rx_pkts_1519_max +=
4384 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MAX_SZ);
4385 stats->rx_pkts_too_long +=
4386 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_LNG_ERR);
4387 stats->rx_pkts_jabbers +=
4388 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_JAB_PKT);
4389 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE2);
4390 stats->rx_fifo_oflows +=
4391 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FIFO_OV);
4392 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE3);
4395 stats->tx_ucast_frames +=
4396 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_UC_OK);
4397 stats->tx_bcast_frames +=
4398 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_BC_OK);
4399 stats->tx_pause_frames +=
4400 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MPAUSE);
4401 stats->tx_mcast_frames +=
4402 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MC_OK);
4404 MSK_READ_MIB64(sc_if->msk_port, GM_TXO_OK_LO);
4405 stats->tx_pkts_64 +=
4406 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_64B);
4407 stats->tx_pkts_65_127 +=
4408 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_127B);
4409 stats->tx_pkts_128_255 +=
4410 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_255B);
4411 stats->tx_pkts_256_511 +=
4412 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_511B);
4413 stats->tx_pkts_512_1023 +=
4414 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1023B);
4415 stats->tx_pkts_1024_1518 +=
4416 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1518B);
4417 stats->tx_pkts_1519_max +=
4418 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MAX_SZ);
4419 reg = MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SPARE1);
4421 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_COL);
4422 stats->tx_late_colls +=
4423 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_LAT_COL);
4424 stats->tx_excess_colls +=
4425 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_ABO_COL);
4426 stats->tx_multi_colls +=
4427 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MUL_COL);
4428 stats->tx_single_colls +=
4429 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SNG_COL);
4430 stats->tx_underflows +=
4431 MSK_READ_MIB32(sc_if->msk_port, GM_TXE_FIFO_UR);
4432 /* Clear MIB Clear Counter Mode. */
4433 gmac &= ~GM_PAR_MIB_CLR;
4434 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
4438 msk_sysctl_stat32(SYSCTL_HANDLER_ARGS)
4440 struct msk_softc *sc;
4441 struct msk_if_softc *sc_if;
4442 uint32_t result, *stat;
4445 sc_if = (struct msk_if_softc *)arg1;
4446 sc = sc_if->msk_softc;
4448 stat = (uint32_t *)((uint8_t *)&sc_if->msk_stats + off);
4451 result = MSK_READ_MIB32(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
4453 MSK_IF_UNLOCK(sc_if);
4455 return (sysctl_handle_int(oidp, &result, 0, req));
4459 msk_sysctl_stat64(SYSCTL_HANDLER_ARGS)
4461 struct msk_softc *sc;
4462 struct msk_if_softc *sc_if;
4463 uint64_t result, *stat;
4466 sc_if = (struct msk_if_softc *)arg1;
4467 sc = sc_if->msk_softc;
4469 stat = (uint64_t *)((uint8_t *)&sc_if->msk_stats + off);
4472 result = MSK_READ_MIB64(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
4474 MSK_IF_UNLOCK(sc_if);
4476 return (sysctl_handle_64(oidp, &result, 0, req));
4479 #undef MSK_READ_MIB32
4480 #undef MSK_READ_MIB64
4482 #define MSK_SYSCTL_STAT32(sc, c, o, p, n, d) \
4483 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \
4484 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat32, \
4486 #define MSK_SYSCTL_STAT64(sc, c, o, p, n, d) \
4487 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_U64 | CTLFLAG_RD, \
4488 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat64, \
4492 msk_sysctl_node(struct msk_if_softc *sc_if)
4494 struct sysctl_ctx_list *ctx;
4495 struct sysctl_oid_list *child, *schild;
4496 struct sysctl_oid *tree;
4498 ctx = device_get_sysctl_ctx(sc_if->msk_if_dev);
4499 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc_if->msk_if_dev));
4501 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
4502 NULL, "MSK Statistics");
4503 schild = SYSCTL_CHILDREN(tree);
4504 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "rx", CTLFLAG_RD,
4505 NULL, "MSK RX Statistics");
4506 child = SYSCTL_CHILDREN(tree);
4507 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
4508 child, rx_ucast_frames, "Good unicast frames");
4509 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
4510 child, rx_bcast_frames, "Good broadcast frames");
4511 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
4512 child, rx_pause_frames, "Pause frames");
4513 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
4514 child, rx_mcast_frames, "Multicast frames");
4515 MSK_SYSCTL_STAT32(sc_if, ctx, "crc_errs",
4516 child, rx_crc_errs, "CRC errors");
4517 MSK_SYSCTL_STAT64(sc_if, ctx, "good_octets",
4518 child, rx_good_octets, "Good octets");
4519 MSK_SYSCTL_STAT64(sc_if, ctx, "bad_octets",
4520 child, rx_bad_octets, "Bad octets");
4521 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
4522 child, rx_pkts_64, "64 bytes frames");
4523 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
4524 child, rx_pkts_65_127, "65 to 127 bytes frames");
4525 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
4526 child, rx_pkts_128_255, "128 to 255 bytes frames");
4527 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
4528 child, rx_pkts_256_511, "256 to 511 bytes frames");
4529 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
4530 child, rx_pkts_512_1023, "512 to 1023 bytes frames");
4531 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
4532 child, rx_pkts_1024_1518, "1024 to 1518 bytes frames");
4533 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
4534 child, rx_pkts_1519_max, "1519 to max frames");
4535 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_too_long",
4536 child, rx_pkts_too_long, "frames too long");
4537 MSK_SYSCTL_STAT32(sc_if, ctx, "jabbers",
4538 child, rx_pkts_jabbers, "Jabber errors");
4539 MSK_SYSCTL_STAT32(sc_if, ctx, "overflows",
4540 child, rx_fifo_oflows, "FIFO overflows");
4542 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "tx", CTLFLAG_RD,
4543 NULL, "MSK TX Statistics");
4544 child = SYSCTL_CHILDREN(tree);
4545 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
4546 child, tx_ucast_frames, "Unicast frames");
4547 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
4548 child, tx_bcast_frames, "Broadcast frames");
4549 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
4550 child, tx_pause_frames, "Pause frames");
4551 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
4552 child, tx_mcast_frames, "Multicast frames");
4553 MSK_SYSCTL_STAT64(sc_if, ctx, "octets",
4554 child, tx_octets, "Octets");
4555 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
4556 child, tx_pkts_64, "64 bytes frames");
4557 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
4558 child, tx_pkts_65_127, "65 to 127 bytes frames");
4559 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
4560 child, tx_pkts_128_255, "128 to 255 bytes frames");
4561 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
4562 child, tx_pkts_256_511, "256 to 511 bytes frames");
4563 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
4564 child, tx_pkts_512_1023, "512 to 1023 bytes frames");
4565 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
4566 child, tx_pkts_1024_1518, "1024 to 1518 bytes frames");
4567 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
4568 child, tx_pkts_1519_max, "1519 to max frames");
4569 MSK_SYSCTL_STAT32(sc_if, ctx, "colls",
4570 child, tx_colls, "Collisions");
4571 MSK_SYSCTL_STAT32(sc_if, ctx, "late_colls",
4572 child, tx_late_colls, "Late collisions");
4573 MSK_SYSCTL_STAT32(sc_if, ctx, "excess_colls",
4574 child, tx_excess_colls, "Excessive collisions");
4575 MSK_SYSCTL_STAT32(sc_if, ctx, "multi_colls",
4576 child, tx_multi_colls, "Multiple collisions");
4577 MSK_SYSCTL_STAT32(sc_if, ctx, "single_colls",
4578 child, tx_single_colls, "Single collisions");
4579 MSK_SYSCTL_STAT32(sc_if, ctx, "underflows",
4580 child, tx_underflows, "FIFO underflows");
4583 #undef MSK_SYSCTL_STAT32
4584 #undef MSK_SYSCTL_STAT64
4587 sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high)
4593 value = *(int *)arg1;
4594 error = sysctl_handle_int(oidp, &value, 0, req);
4595 if (error || !req->newptr)
4597 if (value < low || value > high)
4599 *(int *)arg1 = value;
4605 sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS)
4608 return (sysctl_int_range(oidp, arg1, arg2, req, MSK_PROC_MIN,