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 * Copyright (c) 1997, 1998, 1999, 2000
50 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
52 * Redistribution and use in source and binary forms, with or without
53 * modification, are permitted provided that the following conditions
55 * 1. Redistributions of source code must retain the above copyright
56 * notice, this list of conditions and the following disclaimer.
57 * 2. Redistributions in binary form must reproduce the above copyright
58 * notice, this list of conditions and the following disclaimer in the
59 * documentation and/or other materials provided with the distribution.
60 * 3. All advertising materials mentioning features or use of this software
61 * must display the following acknowledgement:
62 * This product includes software developed by Bill Paul.
63 * 4. Neither the name of the author nor the names of any co-contributors
64 * may be used to endorse or promote products derived from this software
65 * without specific prior written permission.
67 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
68 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
69 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
70 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
71 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
72 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
73 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
74 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
75 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
76 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
77 * THE POSSIBILITY OF SUCH DAMAGE.
80 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
82 * Permission to use, copy, modify, and distribute this software for any
83 * purpose with or without fee is hereby granted, provided that the above
84 * copyright notice and this permission notice appear in all copies.
86 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
87 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
88 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
89 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
90 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
91 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
92 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
95 /* $FreeBSD: src/sys/dev/msk/if_msk.c,v 1.26 2007/12/05 09:41:58 remko Exp $ */
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/param.h>
104 #include <sys/endian.h>
105 #include <sys/kernel.h>
107 #include <sys/in_cksum.h>
108 #include <sys/interrupt.h>
109 #include <sys/malloc.h>
110 #include <sys/proc.h>
111 #include <sys/rman.h>
112 #include <sys/serialize.h>
113 #include <sys/socket.h>
114 #include <sys/sockio.h>
115 #include <sys/sysctl.h>
117 #include <net/ethernet.h>
120 #include <net/if_arp.h>
121 #include <net/if_dl.h>
122 #include <net/if_media.h>
123 #include <net/ifq_var.h>
124 #include <net/vlan/if_vlan_var.h>
126 #include <netinet/ip.h>
127 #include <netinet/ip_var.h>
129 #include <dev/netif/mii_layer/miivar.h>
131 #include <bus/pci/pcireg.h>
132 #include <bus/pci/pcivar.h>
134 #include "if_mskreg.h"
136 /* "device miibus" required. See GENERIC if you get errors here. */
137 #include "miibus_if.h"
139 #define MSK_CSUM_FEATURES (CSUM_TCP | CSUM_UDP)
142 * Devices supported by this driver.
144 static const struct msk_product {
145 uint16_t msk_vendorid;
146 uint16_t msk_deviceid;
147 const char *msk_name;
149 { VENDORID_SK, DEVICEID_SK_YUKON2,
150 "SK-9Sxx Gigabit Ethernet" },
151 { VENDORID_SK, DEVICEID_SK_YUKON2_EXPR,
152 "SK-9Exx Gigabit Ethernet"},
153 { VENDORID_MARVELL, DEVICEID_MRVL_8021CU,
154 "Marvell Yukon 88E8021CU Gigabit Ethernet" },
155 { VENDORID_MARVELL, DEVICEID_MRVL_8021X,
156 "Marvell Yukon 88E8021 SX/LX Gigabit Ethernet" },
157 { VENDORID_MARVELL, DEVICEID_MRVL_8022CU,
158 "Marvell Yukon 88E8022CU Gigabit Ethernet" },
159 { VENDORID_MARVELL, DEVICEID_MRVL_8022X,
160 "Marvell Yukon 88E8022 SX/LX Gigabit Ethernet" },
161 { VENDORID_MARVELL, DEVICEID_MRVL_8061CU,
162 "Marvell Yukon 88E8061CU Gigabit Ethernet" },
163 { VENDORID_MARVELL, DEVICEID_MRVL_8061X,
164 "Marvell Yukon 88E8061 SX/LX Gigabit Ethernet" },
165 { VENDORID_MARVELL, DEVICEID_MRVL_8062CU,
166 "Marvell Yukon 88E8062CU Gigabit Ethernet" },
167 { VENDORID_MARVELL, DEVICEID_MRVL_8062X,
168 "Marvell Yukon 88E8062 SX/LX Gigabit Ethernet" },
169 { VENDORID_MARVELL, DEVICEID_MRVL_8035,
170 "Marvell Yukon 88E8035 Fast Ethernet" },
171 { VENDORID_MARVELL, DEVICEID_MRVL_8036,
172 "Marvell Yukon 88E8036 Fast Ethernet" },
173 { VENDORID_MARVELL, DEVICEID_MRVL_8038,
174 "Marvell Yukon 88E8038 Fast Ethernet" },
175 { VENDORID_MARVELL, DEVICEID_MRVL_8039,
176 "Marvell Yukon 88E8039 Fast Ethernet" },
177 { VENDORID_MARVELL, DEVICEID_MRVL_8040,
178 "Marvell Yukon 88E8040 Fast Ethernet" },
179 { VENDORID_MARVELL, DEVICEID_MRVL_8040T,
180 "Marvell Yukon 88E8040T Fast Ethernet" },
181 { VENDORID_MARVELL, DEVICEID_MRVL_8042,
182 "Marvell Yukon 88E8042 Fast Ethernet" },
183 { VENDORID_MARVELL, DEVICEID_MRVL_8048,
184 "Marvell Yukon 88E8048 Fast Ethernet" },
185 { VENDORID_MARVELL, DEVICEID_MRVL_4361,
186 "Marvell Yukon 88E8050 Gigabit Ethernet" },
187 { VENDORID_MARVELL, DEVICEID_MRVL_4360,
188 "Marvell Yukon 88E8052 Gigabit Ethernet" },
189 { VENDORID_MARVELL, DEVICEID_MRVL_4362,
190 "Marvell Yukon 88E8053 Gigabit Ethernet" },
191 { VENDORID_MARVELL, DEVICEID_MRVL_4363,
192 "Marvell Yukon 88E8055 Gigabit Ethernet" },
193 { VENDORID_MARVELL, DEVICEID_MRVL_4364,
194 "Marvell Yukon 88E8056 Gigabit Ethernet" },
195 { VENDORID_MARVELL, DEVICEID_MRVL_4365,
196 "Marvell Yukon 88E8070 Gigabit Ethernet" },
197 { VENDORID_MARVELL, DEVICEID_MRVL_436A,
198 "Marvell Yukon 88E8058 Gigabit Ethernet" },
199 { VENDORID_MARVELL, DEVICEID_MRVL_436B,
200 "Marvell Yukon 88E8071 Gigabit Ethernet" },
201 { VENDORID_MARVELL, DEVICEID_MRVL_436C,
202 "Marvell Yukon 88E8072 Gigabit Ethernet" },
203 { VENDORID_MARVELL, DEVICEID_MRVL_436D,
204 "Marvell Yukon 88E8055 Gigabit Ethernet" },
205 { VENDORID_MARVELL, DEVICEID_MRVL_4370,
206 "Marvell Yukon 88E8075 Gigabit Ethernet" },
207 { VENDORID_MARVELL, DEVICEID_MRVL_4380,
208 "Marvell Yukon 88E8057 Gigabit Ethernet" },
209 { VENDORID_MARVELL, DEVICEID_MRVL_4381,
210 "Marvell Yukon 88E8059 Gigabit Ethernet" },
211 { VENDORID_DLINK, DEVICEID_DLINK_DGE550SX,
212 "D-Link 550SX Gigabit Ethernet" },
213 { VENDORID_DLINK, DEVICEID_DLINK_DGE560T,
214 "D-Link 560T Gigabit Ethernet" },
218 static const char *model_name[] = {
231 static int mskc_probe(device_t);
232 static int mskc_attach(device_t);
233 static int mskc_detach(device_t);
234 static int mskc_shutdown(device_t);
235 static int mskc_suspend(device_t);
236 static int mskc_resume(device_t);
237 static void mskc_intr(void *);
239 static void mskc_reset(struct msk_softc *);
240 static void mskc_set_imtimer(struct msk_softc *);
241 static void mskc_intr_hwerr(struct msk_softc *);
242 static int mskc_handle_events(struct msk_softc *);
243 static void mskc_phy_power(struct msk_softc *, int);
244 static int mskc_setup_rambuffer(struct msk_softc *);
245 static int mskc_status_dma_alloc(struct msk_softc *);
246 static void mskc_status_dma_free(struct msk_softc *);
247 static int mskc_sysctl_proc_limit(SYSCTL_HANDLER_ARGS);
248 static int mskc_sysctl_intr_rate(SYSCTL_HANDLER_ARGS);
250 static int msk_probe(device_t);
251 static int msk_attach(device_t);
252 static int msk_detach(device_t);
253 static int msk_miibus_readreg(device_t, int, int);
254 static int msk_miibus_writereg(device_t, int, int, int);
255 static void msk_miibus_statchg(device_t);
257 static void msk_init(void *);
258 static int msk_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
259 static void msk_start(struct ifnet *);
260 static void msk_watchdog(struct ifnet *);
261 static int msk_mediachange(struct ifnet *);
262 static void msk_mediastatus(struct ifnet *, struct ifmediareq *);
264 static void msk_tick(void *);
265 static void msk_intr_phy(struct msk_if_softc *);
266 static void msk_intr_gmac(struct msk_if_softc *);
268 msk_rxput(struct msk_if_softc *);
269 static void msk_handle_hwerr(struct msk_if_softc *, uint32_t);
270 static void msk_rxeof(struct msk_if_softc *, uint32_t, int);
271 static void msk_txeof(struct msk_if_softc *, int);
272 static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t);
273 static void msk_set_rambuffer(struct msk_if_softc *);
274 static void msk_stop(struct msk_if_softc *);
276 static int msk_txrx_dma_alloc(struct msk_if_softc *);
277 static void msk_txrx_dma_free(struct msk_if_softc *);
278 static int msk_init_rx_ring(struct msk_if_softc *);
279 static void msk_init_tx_ring(struct msk_if_softc *);
281 msk_discard_rxbuf(struct msk_if_softc *, int);
282 static int msk_newbuf(struct msk_if_softc *, int, int);
283 static int msk_encap(struct msk_if_softc *, struct mbuf **);
286 static int msk_init_jumbo_rx_ring(struct msk_if_softc *);
287 static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int);
288 static int msk_jumbo_newbuf(struct msk_if_softc *, int);
289 static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, int);
290 static void *msk_jalloc(struct msk_if_softc *);
291 static void msk_jfree(void *, void *);
294 static int msk_phy_readreg(struct msk_if_softc *, int, int);
295 static int msk_phy_writereg(struct msk_if_softc *, int, int, int);
297 static void msk_rxfilter(struct msk_if_softc *);
298 static void msk_setvlan(struct msk_if_softc *, struct ifnet *);
299 static void msk_set_tx_stfwd(struct msk_if_softc *);
301 static int msk_dmamem_create(device_t, bus_size_t, bus_dma_tag_t *,
302 void **, bus_addr_t *, bus_dmamap_t *);
303 static void msk_dmamem_destroy(bus_dma_tag_t, void *, bus_dmamap_t);
305 static device_method_t mskc_methods[] = {
306 /* Device interface */
307 DEVMETHOD(device_probe, mskc_probe),
308 DEVMETHOD(device_attach, mskc_attach),
309 DEVMETHOD(device_detach, mskc_detach),
310 DEVMETHOD(device_suspend, mskc_suspend),
311 DEVMETHOD(device_resume, mskc_resume),
312 DEVMETHOD(device_shutdown, mskc_shutdown),
315 DEVMETHOD(bus_print_child, bus_generic_print_child),
316 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
321 static DEFINE_CLASS_0(mskc, mskc_driver, mskc_methods, sizeof(struct msk_softc));
322 static devclass_t mskc_devclass;
324 static device_method_t msk_methods[] = {
325 /* Device interface */
326 DEVMETHOD(device_probe, msk_probe),
327 DEVMETHOD(device_attach, msk_attach),
328 DEVMETHOD(device_detach, msk_detach),
329 DEVMETHOD(device_shutdown, bus_generic_shutdown),
332 DEVMETHOD(bus_print_child, bus_generic_print_child),
333 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
336 DEVMETHOD(miibus_readreg, msk_miibus_readreg),
337 DEVMETHOD(miibus_writereg, msk_miibus_writereg),
338 DEVMETHOD(miibus_statchg, msk_miibus_statchg),
343 static DEFINE_CLASS_0(msk, msk_driver, msk_methods, sizeof(struct msk_if_softc));
344 static devclass_t msk_devclass;
346 DECLARE_DUMMY_MODULE(if_msk);
347 DRIVER_MODULE(if_msk, pci, mskc_driver, mskc_devclass, NULL, NULL);
348 DRIVER_MODULE(if_msk, mskc, msk_driver, msk_devclass, NULL, NULL);
349 DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, NULL, NULL);
351 static int mskc_intr_rate = 0;
352 static int mskc_process_limit = MSK_PROC_DEFAULT;
354 TUNABLE_INT("hw.mskc.intr_rate", &mskc_intr_rate);
355 TUNABLE_INT("hw.mskc.process_limit", &mskc_process_limit);
358 msk_miibus_readreg(device_t dev, int phy, int reg)
360 struct msk_if_softc *sc_if;
362 if (phy != PHY_ADDR_MARV)
365 sc_if = device_get_softc(dev);
367 return (msk_phy_readreg(sc_if, phy, reg));
371 msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg)
373 struct msk_softc *sc;
376 sc = sc_if->msk_softc;
378 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
379 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD);
381 for (i = 0; i < MSK_TIMEOUT; i++) {
383 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL);
384 if ((val & GM_SMI_CT_RD_VAL) != 0) {
385 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_DATA);
390 if (i == MSK_TIMEOUT) {
391 if_printf(sc_if->msk_ifp, "phy failed to come ready\n");
399 msk_miibus_writereg(device_t dev, int phy, int reg, int val)
401 struct msk_if_softc *sc_if;
403 if (phy != PHY_ADDR_MARV)
406 sc_if = device_get_softc(dev);
408 return (msk_phy_writereg(sc_if, phy, reg, val));
412 msk_phy_writereg(struct msk_if_softc *sc_if, int phy, int reg, int val)
414 struct msk_softc *sc;
417 sc = sc_if->msk_softc;
419 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_DATA, val);
420 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
421 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg));
422 for (i = 0; i < MSK_TIMEOUT; i++) {
424 if ((GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL) &
425 GM_SMI_CT_BUSY) == 0)
428 if (i == MSK_TIMEOUT)
429 if_printf(sc_if->msk_ifp, "phy write timeout\n");
435 msk_miibus_statchg(device_t dev)
437 struct msk_if_softc *sc_if;
438 struct msk_softc *sc;
439 struct mii_data *mii;
443 sc_if = device_get_softc(dev);
444 sc = sc_if->msk_softc;
446 mii = device_get_softc(sc_if->msk_miibus);
447 ifp = sc_if->msk_ifp;
450 if ((mii->mii_media_status & (IFM_AVALID | IFM_ACTIVE)) ==
451 (IFM_AVALID | IFM_ACTIVE)) {
452 switch (IFM_SUBTYPE(mii->mii_media_active)) {
461 if ((sc_if->msk_flags & MSK_FLAG_FASTETHER) == 0)
467 if (sc_if->msk_link != 0) {
468 /* Enable Tx FIFO Underrun. */
469 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK),
470 GM_IS_TX_FF_UR | GM_IS_RX_FF_OR);
472 * Because mii(4) notify msk(4) that it detected link status
473 * change, there is no need to enable automatic
474 * speed/flow-control/duplex updates.
476 gmac = GM_GPCR_AU_ALL_DIS;
477 switch (IFM_SUBTYPE(mii->mii_media_active)) {
480 gmac |= GM_GPCR_SPEED_1000;
483 gmac |= GM_GPCR_SPEED_100;
489 if ((mii->mii_media_active & IFM_GMASK) & IFM_FDX)
490 gmac |= GM_GPCR_DUP_FULL;
492 gmac |= GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS;
493 /* Disable Rx flow control. */
494 if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG0) == 0)
495 gmac |= GM_GPCR_FC_RX_DIS;
496 /* Disable Tx flow control. */
497 if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG1) == 0)
498 gmac |= GM_GPCR_FC_TX_DIS;
499 gmac |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA;
500 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
501 /* Read again to ensure writing. */
502 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
504 gmac = GMC_PAUSE_OFF;
505 if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG0) &&
506 ((mii->mii_media_active & IFM_GMASK) & IFM_FDX))
508 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), gmac);
510 /* Enable PHY interrupt for FIFO underrun/overflow. */
511 msk_phy_writereg(sc_if, PHY_ADDR_MARV,
512 PHY_MARV_INT_MASK, PHY_M_IS_FIFO_ERROR);
515 * Link state changed to down.
516 * Disable PHY interrupts.
518 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
519 /* Disable Rx/Tx MAC. */
520 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
521 if (gmac & (GM_GPCR_RX_ENA | GM_GPCR_TX_ENA)) {
522 gmac &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
523 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
524 /* Read again to ensure writing. */
525 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
531 msk_rxfilter(struct msk_if_softc *sc_if)
533 struct msk_softc *sc;
535 struct ifmultiaddr *ifma;
540 sc = sc_if->msk_softc;
541 ifp = sc_if->msk_ifp;
543 bzero(mchash, sizeof(mchash));
544 mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL);
545 if ((ifp->if_flags & IFF_PROMISC) != 0) {
546 mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
547 } else if ((ifp->if_flags & IFF_ALLMULTI) != 0) {
548 mode |= (GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
552 mode |= GM_RXCR_UCF_ENA;
553 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
554 if (ifma->ifma_addr->sa_family != AF_LINK)
556 crc = ether_crc32_be(LLADDR((struct sockaddr_dl *)
557 ifma->ifma_addr), ETHER_ADDR_LEN);
558 /* Just want the 6 least significant bits. */
560 /* Set the corresponding bit in the hash table. */
561 mchash[crc >> 5] |= 1 << (crc & 0x1f);
563 if (mchash[0] != 0 || mchash[1] != 0)
564 mode |= GM_RXCR_MCF_ENA;
567 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H1,
569 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H2,
570 (mchash[0] >> 16) & 0xffff);
571 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H3,
573 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H4,
574 (mchash[1] >> 16) & 0xffff);
575 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode);
579 msk_setvlan(struct msk_if_softc *sc_if, struct ifnet *ifp)
581 struct msk_softc *sc;
583 sc = sc_if->msk_softc;
584 if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
585 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
587 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
590 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
592 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
598 msk_init_rx_ring(struct msk_if_softc *sc_if)
600 struct msk_ring_data *rd;
601 struct msk_rxdesc *rxd;
604 sc_if->msk_cdata.msk_rx_cons = 0;
605 sc_if->msk_cdata.msk_rx_prod = 0;
606 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
608 rd = &sc_if->msk_rdata;
609 bzero(rd->msk_rx_ring, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT);
610 prod = sc_if->msk_cdata.msk_rx_prod;
611 for (i = 0; i < MSK_RX_RING_CNT; i++) {
612 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
614 rxd->rx_le = &rd->msk_rx_ring[prod];
615 if (msk_newbuf(sc_if, prod, 1) != 0)
617 MSK_INC(prod, MSK_RX_RING_CNT);
620 /* Update prefetch unit. */
621 sc_if->msk_cdata.msk_rx_prod = MSK_RX_RING_CNT - 1;
622 CSR_WRITE_2(sc_if->msk_softc,
623 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
624 sc_if->msk_cdata.msk_rx_prod);
631 msk_init_jumbo_rx_ring(struct msk_if_softc *sc_if)
633 struct msk_ring_data *rd;
634 struct msk_rxdesc *rxd;
637 MSK_IF_LOCK_ASSERT(sc_if);
639 sc_if->msk_cdata.msk_rx_cons = 0;
640 sc_if->msk_cdata.msk_rx_prod = 0;
641 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
643 rd = &sc_if->msk_rdata;
644 bzero(rd->msk_jumbo_rx_ring,
645 sizeof(struct msk_rx_desc) * MSK_JUMBO_RX_RING_CNT);
646 prod = sc_if->msk_cdata.msk_rx_prod;
647 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
648 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
650 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
651 if (msk_jumbo_newbuf(sc_if, prod) != 0)
653 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
656 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
657 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
658 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
660 sc_if->msk_cdata.msk_rx_prod = MSK_JUMBO_RX_RING_CNT - 1;
661 CSR_WRITE_2(sc_if->msk_softc,
662 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
663 sc_if->msk_cdata.msk_rx_prod);
670 msk_init_tx_ring(struct msk_if_softc *sc_if)
672 struct msk_ring_data *rd;
673 struct msk_txdesc *txd;
676 sc_if->msk_cdata.msk_tx_prod = 0;
677 sc_if->msk_cdata.msk_tx_cons = 0;
678 sc_if->msk_cdata.msk_tx_cnt = 0;
680 rd = &sc_if->msk_rdata;
681 bzero(rd->msk_tx_ring, sizeof(struct msk_tx_desc) * MSK_TX_RING_CNT);
682 for (i = 0; i < MSK_TX_RING_CNT; i++) {
683 txd = &sc_if->msk_cdata.msk_txdesc[i];
685 txd->tx_le = &rd->msk_tx_ring[i];
690 msk_discard_rxbuf(struct msk_if_softc *sc_if, int idx)
692 struct msk_rx_desc *rx_le;
693 struct msk_rxdesc *rxd;
696 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
699 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
704 msk_discard_jumbo_rxbuf(struct msk_if_softc *sc_if, int idx)
706 struct msk_rx_desc *rx_le;
707 struct msk_rxdesc *rxd;
710 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
713 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
718 msk_newbuf(struct msk_if_softc *sc_if, int idx, int init)
720 struct msk_rx_desc *rx_le;
721 struct msk_rxdesc *rxd;
723 bus_dma_segment_t seg;
727 m = m_getcl(init ? MB_WAIT : MB_DONTWAIT, MT_DATA, M_PKTHDR);
731 m->m_len = m->m_pkthdr.len = MCLBYTES;
732 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
733 m_adj(m, ETHER_ALIGN);
735 error = bus_dmamap_load_mbuf_segment(sc_if->msk_cdata.msk_rx_tag,
736 sc_if->msk_cdata.msk_rx_sparemap,
737 m, &seg, 1, &nseg, BUS_DMA_NOWAIT);
741 if_printf(&sc_if->arpcom.ac_if, "can't load RX mbuf\n");
745 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
746 if (rxd->rx_m != NULL) {
747 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
748 BUS_DMASYNC_POSTREAD);
749 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap);
752 map = rxd->rx_dmamap;
753 rxd->rx_dmamap = sc_if->msk_cdata.msk_rx_sparemap;
754 sc_if->msk_cdata.msk_rx_sparemap = map;
758 rx_le->msk_addr = htole32(MSK_ADDR_LO(seg.ds_addr));
759 rx_le->msk_control = htole32(seg.ds_len | OP_PACKET | HW_OWNER);
766 msk_jumbo_newbuf(struct msk_if_softc *sc_if, int idx)
768 struct msk_rx_desc *rx_le;
769 struct msk_rxdesc *rxd;
771 bus_dma_segment_t segs[1];
776 MGETHDR(m, M_DONTWAIT, MT_DATA);
779 buf = msk_jalloc(sc_if);
784 /* Attach the buffer to the mbuf. */
785 MEXTADD(m, buf, MSK_JLEN, msk_jfree, sc_if, 0, EXT_NET_DRV);
786 if ((m->m_flags & M_EXT) == 0) {
790 m->m_pkthdr.len = m->m_len = MSK_JLEN;
791 m_adj(m, ETHER_ALIGN);
793 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_jumbo_rx_tag,
794 sc_if->msk_cdata.msk_jumbo_rx_sparemap, m, segs, &nsegs,
795 BUS_DMA_NOWAIT) != 0) {
799 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
801 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
802 if (rxd->rx_m != NULL) {
803 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
804 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
805 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
808 map = rxd->rx_dmamap;
809 rxd->rx_dmamap = sc_if->msk_cdata.msk_jumbo_rx_sparemap;
810 sc_if->msk_cdata.msk_jumbo_rx_sparemap = map;
811 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap,
812 BUS_DMASYNC_PREREAD);
815 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
817 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
827 msk_mediachange(struct ifnet *ifp)
829 struct msk_if_softc *sc_if = ifp->if_softc;
830 struct mii_data *mii;
833 mii = device_get_softc(sc_if->msk_miibus);
834 error = mii_mediachg(mii);
840 * Report current media status.
843 msk_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr)
845 struct msk_if_softc *sc_if = ifp->if_softc;
846 struct mii_data *mii;
848 mii = device_get_softc(sc_if->msk_miibus);
851 ifmr->ifm_active = mii->mii_media_active;
852 ifmr->ifm_status = mii->mii_media_status;
856 msk_ioctl(struct ifnet *ifp, u_long command, caddr_t data, struct ucred *cr)
858 struct msk_if_softc *sc_if;
860 struct mii_data *mii;
863 sc_if = ifp->if_softc;
864 ifr = (struct ifreq *)data;
870 if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN) {
874 if (sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_FE &&
875 ifr->ifr_mtu > MSK_MAX_FRAMELEN) {
879 ifp->if_mtu = ifr->ifr_mtu;
880 if ((ifp->if_flags & IFF_RUNNING) != 0)
888 if (ifp->if_flags & IFF_UP) {
889 if (ifp->if_flags & IFF_RUNNING) {
890 if (((ifp->if_flags ^ sc_if->msk_if_flags)
891 & (IFF_PROMISC | IFF_ALLMULTI)) != 0)
894 if (sc_if->msk_detach == 0)
898 if (ifp->if_flags & IFF_RUNNING)
901 sc_if->msk_if_flags = ifp->if_flags;
906 if (ifp->if_flags & IFF_RUNNING)
912 mii = device_get_softc(sc_if->msk_miibus);
913 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
917 mask = ifr->ifr_reqcap ^ ifp->if_capenable;
918 if ((mask & IFCAP_TXCSUM) != 0) {
919 ifp->if_capenable ^= IFCAP_TXCSUM;
920 if ((IFCAP_TXCSUM & ifp->if_capenable) != 0 &&
921 (IFCAP_TXCSUM & ifp->if_capabilities) != 0)
922 ifp->if_hwassist |= MSK_CSUM_FEATURES;
924 ifp->if_hwassist &= ~MSK_CSUM_FEATURES;
927 if ((mask & IFCAP_VLAN_HWTAGGING) != 0) {
928 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
929 msk_setvlan(sc_if, ifp);
933 if (sc_if->msk_framesize > MSK_MAX_FRAMELEN &&
934 sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_EC_U) {
936 * In Yukon EC Ultra, TSO & checksum offload is not
937 * supported for jumbo frame.
939 ifp->if_hwassist &= ~MSK_CSUM_FEATURES;
940 ifp->if_capenable &= ~IFCAP_TXCSUM;
945 error = ether_ioctl(ifp, command, data);
953 mskc_probe(device_t dev)
955 const struct msk_product *mp;
956 uint16_t vendor, devid;
958 vendor = pci_get_vendor(dev);
959 devid = pci_get_device(dev);
960 for (mp = msk_products; mp->msk_name != NULL; ++mp) {
961 if (vendor == mp->msk_vendorid && devid == mp->msk_deviceid) {
962 device_set_desc(dev, mp->msk_name);
970 mskc_setup_rambuffer(struct msk_softc *sc)
975 /* Get adapter SRAM size. */
976 sc->msk_ramsize = CSR_READ_1(sc, B2_E_0) * 4;
978 device_printf(sc->msk_dev,
979 "RAM buffer size : %dKB\n", sc->msk_ramsize);
981 if (sc->msk_ramsize == 0)
983 sc->msk_pflags |= MSK_FLAG_RAMBUF;
986 * Give receiver 2/3 of memory and round down to the multiple
987 * of 1024. Tx/Rx RAM buffer size of Yukon II shoud be multiple
990 sc->msk_rxqsize = rounddown((sc->msk_ramsize * 1024 * 2) / 3, 1024);
991 sc->msk_txqsize = (sc->msk_ramsize * 1024) - sc->msk_rxqsize;
992 for (i = 0, next = 0; i < sc->msk_num_port; i++) {
993 sc->msk_rxqstart[i] = next;
994 sc->msk_rxqend[i] = next + sc->msk_rxqsize - 1;
995 next = sc->msk_rxqend[i] + 1;
996 sc->msk_txqstart[i] = next;
997 sc->msk_txqend[i] = next + sc->msk_txqsize - 1;
998 next = sc->msk_txqend[i] + 1;
1000 device_printf(sc->msk_dev,
1001 "Port %d : Rx Queue %dKB(0x%08x:0x%08x)\n", i,
1002 sc->msk_rxqsize / 1024, sc->msk_rxqstart[i],
1004 device_printf(sc->msk_dev,
1005 "Port %d : Tx Queue %dKB(0x%08x:0x%08x)\n", i,
1006 sc->msk_txqsize / 1024, sc->msk_txqstart[i],
1015 mskc_phy_power(struct msk_softc *sc, int mode)
1021 case MSK_PHY_POWERUP:
1022 /* Switch power to VCC (WA for VAUX problem). */
1023 CSR_WRITE_1(sc, B0_POWER_CTRL,
1024 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON);
1025 /* Disable Core Clock Division, set Clock Select to 0. */
1026 CSR_WRITE_4(sc, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS);
1029 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1030 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1031 /* Enable bits are inverted. */
1032 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1033 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1034 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1037 * Enable PCI & Core Clock, enable clock gating for both Links.
1039 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1041 our = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1042 our &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD);
1043 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
1044 if (sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1045 /* Deassert Low Power for 1st PHY. */
1046 our |= PCI_Y2_PHY1_COMA;
1047 if (sc->msk_num_port > 1)
1048 our |= PCI_Y2_PHY2_COMA;
1051 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U ||
1052 sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1053 sc->msk_hw_id >= CHIP_ID_YUKON_FE_P) {
1054 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_4);
1055 val &= (PCI_FORCE_ASPM_REQUEST |
1056 PCI_ASPM_GPHY_LINK_DOWN | PCI_ASPM_INT_FIFO_EMPTY |
1057 PCI_ASPM_CLKRUN_REQUEST);
1058 /* Set all bits to 0 except bits 15..12. */
1059 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_4, val);
1060 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_5);
1061 val &= PCI_CTL_TIM_VMAIN_AV_MSK;
1062 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_5, val);
1063 CSR_PCI_WRITE_4(sc, PCI_CFG_REG_1, 0);
1064 CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_ON);
1066 * Disable status race, workaround for
1067 * Yukon EC Ultra & Yukon EX.
1069 val = CSR_READ_4(sc, B2_GP_IO);
1070 val |= GLB_GPIO_STAT_RACE_DIS;
1071 CSR_WRITE_4(sc, B2_GP_IO, val);
1072 CSR_READ_4(sc, B2_GP_IO);
1074 /* Release PHY from PowerDown/COMA mode. */
1075 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, our);
1077 for (i = 0; i < sc->msk_num_port; i++) {
1078 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1080 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1084 case MSK_PHY_POWERDOWN:
1085 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1086 val |= PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD;
1087 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1088 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1089 val &= ~PCI_Y2_PHY1_COMA;
1090 if (sc->msk_num_port > 1)
1091 val &= ~PCI_Y2_PHY2_COMA;
1093 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, val);
1095 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1096 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1097 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1098 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1099 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1100 /* Enable bits are inverted. */
1104 * Disable PCI & Core Clock, disable clock gating for
1107 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1108 CSR_WRITE_1(sc, B0_POWER_CTRL,
1109 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
1117 mskc_reset(struct msk_softc *sc)
1125 if (sc->msk_hw_id >= CHIP_ID_YUKON_XL &&
1126 sc->msk_hw_id <= CHIP_ID_YUKON_SUPR) {
1127 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1128 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
1129 CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
1130 status = CSR_READ_2(sc, B28_Y2_ASF_HCU_CCSR);
1131 /* Clear AHB bridge & microcontroller reset. */
1132 status &= ~(Y2_ASF_HCU_CCSR_AHB_RST |
1133 Y2_ASF_HCU_CCSR_CPU_RST_MODE);
1134 /* Clear ASF microcontroller state. */
1135 status &= ~Y2_ASF_HCU_CCSR_UC_STATE_MSK;
1136 status &= ~Y2_ASF_HCU_CCSR_CPU_CLK_DIVIDE_MSK;
1137 CSR_WRITE_2(sc, B28_Y2_ASF_HCU_CCSR, status);
1138 CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
1140 CSR_WRITE_1(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
1142 CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE);
1144 * Since we disabled ASF, S/W reset is required for
1147 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
1148 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1151 /* Clear all error bits in the PCI status register. */
1152 status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
1153 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1155 pci_write_config(sc->msk_dev, PCIR_STATUS, status |
1156 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
1157 PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2);
1158 CSR_WRITE_2(sc, B0_CTST, CS_MRST_CLR);
1160 switch (sc->msk_bustype) {
1162 /* Clear all PEX errors. */
1163 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
1164 val = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
1165 if ((val & PEX_RX_OV) != 0) {
1166 sc->msk_intrmask &= ~Y2_IS_HW_ERR;
1167 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
1172 /* Set Cache Line Size to 2(8bytes) if configured to 0. */
1173 val = pci_read_config(sc->msk_dev, PCIR_CACHELNSZ, 1);
1175 pci_write_config(sc->msk_dev, PCIR_CACHELNSZ, 2, 1);
1176 if (sc->msk_bustype == MSK_PCIX_BUS) {
1177 /* Set Cache Line Size opt. */
1178 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1180 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, val);
1184 /* Set PHY power state. */
1185 mskc_phy_power(sc, MSK_PHY_POWERUP);
1187 /* Reset GPHY/GMAC Control */
1188 for (i = 0; i < sc->msk_num_port; i++) {
1189 /* GPHY Control reset. */
1190 CSR_WRITE_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET);
1191 CSR_WRITE_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_CLR);
1192 /* GMAC Control reset. */
1193 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_SET);
1194 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_CLR);
1195 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_F_LOOPB_OFF);
1196 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1197 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
1198 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL),
1199 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
1204 if (sc->msk_hw_id == CHIP_ID_YUKON_SUPR &&
1205 sc->msk_hw_rev > CHIP_REV_YU_SU_B0)
1206 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, PCI_CLK_MACSEC_DIS);
1207 if (sc->msk_hw_id == CHIP_ID_YUKON_OPT && sc->msk_hw_rev == 0) {
1208 /* Disable PCIe PHY powerdown(reg 0x80, bit7). */
1209 CSR_WRITE_4(sc, Y2_PEX_PHY_DATA, (0x0080 << 16) | 0x0080);
1211 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1214 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_ON);
1216 /* Clear TWSI IRQ. */
1217 CSR_WRITE_4(sc, B2_I2C_IRQ, I2C_CLR_IRQ);
1219 /* Turn off hardware timer. */
1220 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_STOP);
1221 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_CLR_IRQ);
1223 /* Turn off descriptor polling. */
1224 CSR_WRITE_1(sc, B28_DPT_CTRL, DPT_STOP);
1226 /* Turn off time stamps. */
1227 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_STOP);
1228 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
1230 if (sc->msk_hw_id == CHIP_ID_YUKON_XL ||
1231 sc->msk_hw_id == CHIP_ID_YUKON_EC ||
1232 sc->msk_hw_id == CHIP_ID_YUKON_FE) {
1233 /* Configure timeout values. */
1234 for (i = 0; i < sc->msk_num_port; i++) {
1235 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL),
1237 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL),
1239 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R1),
1241 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA1),
1243 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS1),
1245 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R1),
1247 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA1),
1249 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS1),
1251 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R2),
1253 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA2),
1255 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS2),
1257 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R2),
1259 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA2),
1261 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS2),
1266 /* Disable all interrupts. */
1267 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
1268 CSR_READ_4(sc, B0_HWE_IMSK);
1269 CSR_WRITE_4(sc, B0_IMSK, 0);
1270 CSR_READ_4(sc, B0_IMSK);
1273 * On dual port PCI-X card, there is an problem where status
1274 * can be received out of order due to split transactions.
1276 if (sc->msk_pcixcap != 0 && sc->msk_num_port > 1) {
1279 pcix_cmd = pci_read_config(sc->msk_dev,
1280 sc->msk_pcixcap + PCIXR_COMMAND, 2);
1281 /* Clear Max Outstanding Split Transactions. */
1282 pcix_cmd &= ~PCIXM_COMMAND_MAX_SPLITS;
1283 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1284 pci_write_config(sc->msk_dev,
1285 sc->msk_pcixcap + PCIXR_COMMAND, pcix_cmd, 2);
1286 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1288 if (sc->msk_pciecap != 0) {
1289 /* Change Max. Read Request Size to 2048 bytes. */
1290 if (pcie_get_max_readrq(sc->msk_dev) ==
1291 PCIEM_DEVCTL_MAX_READRQ_512) {
1292 pcie_set_max_readrq(sc->msk_dev,
1293 PCIEM_DEVCTL_MAX_READRQ_2048);
1297 /* Clear status list. */
1298 bzero(sc->msk_stat_ring,
1299 sizeof(struct msk_stat_desc) * MSK_STAT_RING_CNT);
1300 sc->msk_stat_cons = 0;
1301 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_SET);
1302 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_CLR);
1303 /* Set the status list base address. */
1304 addr = sc->msk_stat_ring_paddr;
1305 CSR_WRITE_4(sc, STAT_LIST_ADDR_LO, MSK_ADDR_LO(addr));
1306 CSR_WRITE_4(sc, STAT_LIST_ADDR_HI, MSK_ADDR_HI(addr));
1307 /* Set the status list last index. */
1308 CSR_WRITE_2(sc, STAT_LAST_IDX, MSK_STAT_RING_CNT - 1);
1309 if (sc->msk_hw_id == CHIP_ID_YUKON_EC &&
1310 sc->msk_hw_rev == CHIP_REV_YU_EC_A1) {
1311 /* WA for dev. #4.3 */
1312 CSR_WRITE_2(sc, STAT_TX_IDX_TH, ST_TXTH_IDX_MASK);
1313 /* WA for dev. #4.18 */
1314 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x21);
1315 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x07);
1317 CSR_WRITE_2(sc, STAT_TX_IDX_TH, 0x0a);
1318 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x10);
1319 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1320 sc->msk_hw_rev == CHIP_REV_YU_XL_A0)
1321 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x04);
1323 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x10);
1324 CSR_WRITE_4(sc, STAT_ISR_TIMER_INI, 0x0190);
1327 * Use default value for STAT_ISR_TIMER_INI, STAT_LEV_TIMER_INI.
1329 CSR_WRITE_4(sc, STAT_TX_TIMER_INI, MSK_USECS(sc, 1000));
1331 /* Enable status unit. */
1332 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_OP_ON);
1334 CSR_WRITE_1(sc, STAT_TX_TIMER_CTRL, TIM_START);
1335 CSR_WRITE_1(sc, STAT_LEV_TIMER_CTRL, TIM_START);
1336 CSR_WRITE_1(sc, STAT_ISR_TIMER_CTRL, TIM_START);
1340 msk_probe(device_t dev)
1342 struct msk_softc *sc = device_get_softc(device_get_parent(dev));
1346 * Not much to do here. We always know there will be
1347 * at least one GMAC present, and if there are two,
1348 * mskc_attach() will create a second device instance
1351 ksnprintf(desc, sizeof(desc),
1352 "Marvell Technology Group Ltd. %s Id 0x%02x Rev 0x%02x",
1353 model_name[sc->msk_hw_id - CHIP_ID_YUKON_XL], sc->msk_hw_id,
1355 device_set_desc_copy(dev, desc);
1361 msk_attach(device_t dev)
1363 struct msk_softc *sc = device_get_softc(device_get_parent(dev));
1364 struct msk_if_softc *sc_if = device_get_softc(dev);
1365 struct ifnet *ifp = &sc_if->arpcom.ac_if;
1367 uint8_t eaddr[ETHER_ADDR_LEN];
1369 port = *(int *)device_get_ivars(dev);
1370 KKASSERT(port == MSK_PORT_A || port == MSK_PORT_B);
1372 kfree(device_get_ivars(dev), M_DEVBUF);
1373 device_set_ivars(dev, NULL);
1375 callout_init(&sc_if->msk_tick_ch);
1376 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
1378 sc_if->msk_if_dev = dev;
1379 sc_if->msk_port = port;
1380 sc_if->msk_softc = sc;
1381 sc_if->msk_ifp = ifp;
1382 sc_if->msk_flags = sc->msk_pflags;
1383 sc->msk_if[port] = sc_if;
1385 /* Setup Tx/Rx queue register offsets. */
1386 if (port == MSK_PORT_A) {
1387 sc_if->msk_txq = Q_XA1;
1388 sc_if->msk_txsq = Q_XS1;
1389 sc_if->msk_rxq = Q_R1;
1391 sc_if->msk_txq = Q_XA2;
1392 sc_if->msk_txsq = Q_XS2;
1393 sc_if->msk_rxq = Q_R2;
1396 error = msk_txrx_dma_alloc(sc_if);
1400 ifp->if_softc = sc_if;
1401 ifp->if_mtu = ETHERMTU;
1402 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1403 ifp->if_init = msk_init;
1404 ifp->if_ioctl = msk_ioctl;
1405 ifp->if_start = msk_start;
1406 ifp->if_watchdog = msk_watchdog;
1407 ifq_set_maxlen(&ifp->if_snd, MSK_TX_RING_CNT - 1);
1408 ifq_set_ready(&ifp->if_snd);
1412 * IFCAP_RXCSUM capability is intentionally disabled as the hardware
1413 * has serious bug in Rx checksum offload for all Yukon II family
1414 * hardware. It seems there is a workaround to make it work somtimes.
1415 * However, the workaround also have to check OP code sequences to
1416 * verify whether the OP code is correct. Sometimes it should compute
1417 * IP/TCP/UDP checksum in driver in order to verify correctness of
1418 * checksum computed by hardware. If you have to compute checksum
1419 * with software to verify the hardware's checksum why have hardware
1420 * compute the checksum? I think there is no reason to spend time to
1421 * make Rx checksum offload work on Yukon II hardware.
1423 ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_VLAN_MTU |
1424 IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWCSUM;
1425 ifp->if_hwassist = MSK_CSUM_FEATURES;
1426 ifp->if_capenable = ifp->if_capabilities;
1430 * Get station address for this interface. Note that
1431 * dual port cards actually come with three station
1432 * addresses: one for each port, plus an extra. The
1433 * extra one is used by the SysKonnect driver software
1434 * as a 'virtual' station address for when both ports
1435 * are operating in failover mode. Currently we don't
1436 * use this extra address.
1438 for (i = 0; i < ETHER_ADDR_LEN; i++)
1439 eaddr[i] = CSR_READ_1(sc, B2_MAC_1 + (port * 8) + i);
1441 sc_if->msk_framesize = ifp->if_mtu + ETHER_HDR_LEN + EVL_ENCAPLEN;
1446 error = mii_phy_probe(dev, &sc_if->msk_miibus,
1447 msk_mediachange, msk_mediastatus);
1449 device_printf(sc_if->msk_if_dev, "no PHY found!\n");
1454 * Call MI attach routine. Can't hold locks when calling into ether_*.
1456 ether_ifattach(ifp, eaddr, &sc->msk_serializer);
1459 * Tell the upper layer(s) we support long frames.
1460 * Must appear after the call to ether_ifattach() because
1461 * ether_ifattach() sets ifi_hdrlen to the default value.
1463 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
1469 sc->msk_if[port] = NULL;
1474 * Attach the interface. Allocate softc structures, do ifmedia
1475 * setup and ethernet/BPF attach.
1478 mskc_attach(device_t dev)
1480 struct msk_softc *sc;
1481 int error, *port, cpuid;
1483 sc = device_get_softc(dev);
1485 lwkt_serialize_init(&sc->msk_serializer);
1488 * Initailize sysctl variables
1490 sc->msk_process_limit = mskc_process_limit;
1491 sc->msk_intr_rate = mskc_intr_rate;
1493 #ifndef BURN_BRIDGES
1495 * Handle power management nonsense.
1497 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
1498 uint32_t irq, bar0, bar1;
1500 /* Save important PCI config data. */
1501 bar0 = pci_read_config(dev, PCIR_BAR(0), 4);
1502 bar1 = pci_read_config(dev, PCIR_BAR(1), 4);
1503 irq = pci_read_config(dev, PCIR_INTLINE, 4);
1505 /* Reset the power state. */
1506 device_printf(dev, "chip is in D%d power mode "
1507 "-- setting to D0\n", pci_get_powerstate(dev));
1509 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
1511 /* Restore PCI config data. */
1512 pci_write_config(dev, PCIR_BAR(0), bar0, 4);
1513 pci_write_config(dev, PCIR_BAR(1), bar1, 4);
1514 pci_write_config(dev, PCIR_INTLINE, irq, 4);
1516 #endif /* BURN_BRIDGES */
1519 * Map control/status registers.
1521 pci_enable_busmaster(dev);
1524 * Allocate I/O resource
1526 #ifdef MSK_USEIOSPACE
1527 sc->msk_res_type = SYS_RES_IOPORT;
1528 sc->msk_res_rid = PCIR_BAR(1);
1530 sc->msk_res_type = SYS_RES_MEMORY;
1531 sc->msk_res_rid = PCIR_BAR(0);
1533 sc->msk_res = bus_alloc_resource_any(dev, sc->msk_res_type,
1534 &sc->msk_res_rid, RF_ACTIVE);
1535 if (sc->msk_res == NULL) {
1536 if (sc->msk_res_type == SYS_RES_MEMORY) {
1537 sc->msk_res_type = SYS_RES_IOPORT;
1538 sc->msk_res_rid = PCIR_BAR(1);
1540 sc->msk_res_type = SYS_RES_MEMORY;
1541 sc->msk_res_rid = PCIR_BAR(0);
1543 sc->msk_res = bus_alloc_resource_any(dev, sc->msk_res_type,
1546 if (sc->msk_res == NULL) {
1547 device_printf(dev, "couldn't allocate %s resources\n",
1548 sc->msk_res_type == SYS_RES_MEMORY ? "memory" : "I/O");
1552 sc->msk_res_bt = rman_get_bustag(sc->msk_res);
1553 sc->msk_res_bh = rman_get_bushandle(sc->msk_res);
1558 sc->msk_irq_rid = 0;
1559 sc->msk_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
1561 RF_SHAREABLE | RF_ACTIVE);
1562 if (sc->msk_irq == NULL) {
1563 device_printf(dev, "couldn't allocate IRQ resources\n");
1568 /* Enable all clocks before accessing any registers. */
1569 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
1571 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1572 sc->msk_hw_id = CSR_READ_1(sc, B2_CHIP_ID);
1573 sc->msk_hw_rev = (CSR_READ_1(sc, B2_MAC_CFG) >> 4) & 0x0f;
1574 /* Bail out if chip is not recognized. */
1575 if (sc->msk_hw_id < CHIP_ID_YUKON_XL ||
1576 sc->msk_hw_id > CHIP_ID_YUKON_OPT ||
1577 sc->msk_hw_id == CHIP_ID_YUKON_UNKNOWN) {
1578 device_printf(dev, "unknown device: id=0x%02x, rev=0x%02x\n",
1579 sc->msk_hw_id, sc->msk_hw_rev);
1585 * Create sysctl tree
1587 sysctl_ctx_init(&sc->msk_sysctl_ctx);
1588 sc->msk_sysctl_tree = SYSCTL_ADD_NODE(&sc->msk_sysctl_ctx,
1589 SYSCTL_STATIC_CHILDREN(_hw),
1591 device_get_nameunit(dev),
1593 if (sc->msk_sysctl_tree == NULL) {
1594 device_printf(dev, "can't add sysctl node\n");
1599 SYSCTL_ADD_PROC(&sc->msk_sysctl_ctx,
1600 SYSCTL_CHILDREN(sc->msk_sysctl_tree),
1601 OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW,
1602 &sc->msk_process_limit, 0, mskc_sysctl_proc_limit,
1603 "I", "max number of Rx events to process");
1604 SYSCTL_ADD_PROC(&sc->msk_sysctl_ctx,
1605 SYSCTL_CHILDREN(sc->msk_sysctl_tree),
1606 OID_AUTO, "intr_rate", CTLTYPE_INT | CTLFLAG_RW,
1607 sc, 0, mskc_sysctl_intr_rate,
1608 "I", "max number of interrupt per second");
1609 SYSCTL_ADD_INT(&sc->msk_sysctl_ctx,
1610 SYSCTL_CHILDREN(sc->msk_sysctl_tree), OID_AUTO,
1611 "defrag_avoided", CTLFLAG_RW, &sc->msk_defrag_avoided,
1612 0, "# of avoided m_defrag on TX path");
1613 SYSCTL_ADD_INT(&sc->msk_sysctl_ctx,
1614 SYSCTL_CHILDREN(sc->msk_sysctl_tree), OID_AUTO,
1615 "leading_copied", CTLFLAG_RW, &sc->msk_leading_copied,
1616 0, "# of leading copies on TX path");
1617 SYSCTL_ADD_INT(&sc->msk_sysctl_ctx,
1618 SYSCTL_CHILDREN(sc->msk_sysctl_tree), OID_AUTO,
1619 "trailing_copied", CTLFLAG_RW, &sc->msk_trailing_copied,
1620 0, "# of trailing copies on TX path");
1622 sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP);
1623 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
1624 sc->msk_coppertype = 0;
1626 sc->msk_coppertype = 1;
1627 /* Check number of MACs. */
1628 sc->msk_num_port = 1;
1629 if ((CSR_READ_1(sc, B2_Y2_HW_RES) & CFG_DUAL_MAC_MSK) ==
1631 if (!(CSR_READ_1(sc, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC))
1635 /* Check bus type. */
1636 if (pci_is_pcie(sc->msk_dev) == 0) {
1637 sc->msk_bustype = MSK_PEX_BUS;
1638 sc->msk_pciecap = pci_get_pciecap_ptr(sc->msk_dev);
1639 } else if (pci_is_pcix(sc->msk_dev) == 0) {
1640 sc->msk_bustype = MSK_PCIX_BUS;
1641 sc->msk_pcixcap = pci_get_pcixcap_ptr(sc->msk_dev);
1643 sc->msk_bustype = MSK_PCI_BUS;
1646 switch (sc->msk_hw_id) {
1647 case CHIP_ID_YUKON_EC:
1648 case CHIP_ID_YUKON_EC_U:
1649 sc->msk_clock = 125; /* 125 Mhz */
1651 case CHIP_ID_YUKON_EX:
1652 sc->msk_clock = 125; /* 125 Mhz */
1654 case CHIP_ID_YUKON_FE:
1655 sc->msk_clock = 100; /* 100 Mhz */
1656 sc->msk_pflags |= MSK_FLAG_FASTETHER;
1658 case CHIP_ID_YUKON_FE_P:
1659 sc->msk_clock = 50; /* 50 Mhz */
1661 sc->msk_pflags |= MSK_FLAG_FASTETHER;
1662 if (sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
1665 * FE+ A0 has status LE writeback bug so msk(4)
1666 * does not rely on status word of received frame
1667 * in msk_rxeof() which in turn disables all
1668 * hardware assistance bits reported by the status
1669 * word as well as validity of the recevied frame.
1670 * Just pass received frames to upper stack with
1671 * minimal test and let upper stack handle them.
1673 sc->msk_pflags |= MSK_FLAG_NORXCHK;
1676 case CHIP_ID_YUKON_XL:
1677 sc->msk_clock = 156; /* 156 Mhz */
1679 case CHIP_ID_YUKON_SUPR:
1680 sc->msk_clock = 125; /* 125 MHz */
1682 case CHIP_ID_YUKON_UL_2:
1683 sc->msk_clock = 125; /* 125 Mhz */
1685 case CHIP_ID_YUKON_OPT:
1686 sc->msk_clock = 125; /* 125 MHz */
1689 sc->msk_clock = 156; /* 156 Mhz */
1693 error = mskc_status_dma_alloc(sc);
1697 /* Set base interrupt mask. */
1698 sc->msk_intrmask = Y2_IS_HW_ERR | Y2_IS_STAT_BMU;
1699 sc->msk_intrhwemask = Y2_IS_TIST_OV | Y2_IS_MST_ERR |
1700 Y2_IS_IRQ_STAT | Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP;
1702 /* Reset the adapter. */
1705 error = mskc_setup_rambuffer(sc);
1709 sc->msk_devs[MSK_PORT_A] = device_add_child(dev, "msk", -1);
1710 if (sc->msk_devs[MSK_PORT_A] == NULL) {
1711 device_printf(dev, "failed to add child for PORT_A\n");
1715 port = kmalloc(sizeof(*port), M_DEVBUF, M_WAITOK);
1717 device_set_ivars(sc->msk_devs[MSK_PORT_A], port);
1719 if (sc->msk_num_port > 1) {
1720 sc->msk_devs[MSK_PORT_B] = device_add_child(dev, "msk", -1);
1721 if (sc->msk_devs[MSK_PORT_B] == NULL) {
1722 device_printf(dev, "failed to add child for PORT_B\n");
1726 port = kmalloc(sizeof(*port), M_DEVBUF, M_WAITOK);
1728 device_set_ivars(sc->msk_devs[MSK_PORT_B], port);
1731 bus_generic_attach(dev);
1733 error = bus_setup_intr(dev, sc->msk_irq, INTR_MPSAFE,
1734 mskc_intr, sc, &sc->msk_intrhand,
1735 &sc->msk_serializer);
1737 device_printf(dev, "couldn't set up interrupt handler\n");
1741 cpuid = rman_get_cpuid(sc->msk_irq);
1742 KKASSERT(cpuid >= 0 && cpuid < ncpus);
1744 if (sc->msk_if[0] != NULL)
1745 sc->msk_if[0]->msk_ifp->if_cpuid = cpuid;
1746 if (sc->msk_if[1] != NULL)
1747 sc->msk_if[1]->msk_ifp->if_cpuid = cpuid;
1755 * Shutdown hardware and free up resources. This can be called any
1756 * time after the mutex has been initialized. It is called in both
1757 * the error case in attach and the normal detach case so it needs
1758 * to be careful about only freeing resources that have actually been
1762 msk_detach(device_t dev)
1764 struct msk_if_softc *sc_if = device_get_softc(dev);
1766 if (device_is_attached(dev)) {
1767 struct msk_softc *sc = sc_if->msk_softc;
1768 struct ifnet *ifp = &sc_if->arpcom.ac_if;
1770 lwkt_serialize_enter(ifp->if_serializer);
1772 if (sc->msk_intrhand != NULL) {
1773 if (sc->msk_if[MSK_PORT_A] != NULL)
1774 msk_stop(sc->msk_if[MSK_PORT_A]);
1775 if (sc->msk_if[MSK_PORT_B] != NULL)
1776 msk_stop(sc->msk_if[MSK_PORT_B]);
1778 bus_teardown_intr(sc->msk_dev, sc->msk_irq,
1780 sc->msk_intrhand = NULL;
1783 lwkt_serialize_exit(ifp->if_serializer);
1785 ether_ifdetach(ifp);
1788 if (sc_if->msk_miibus != NULL)
1789 device_delete_child(dev, sc_if->msk_miibus);
1791 msk_txrx_dma_free(sc_if);
1796 mskc_detach(device_t dev)
1798 struct msk_softc *sc = device_get_softc(dev);
1802 if (device_is_attached(dev)) {
1803 KASSERT(sc->msk_intrhand == NULL,
1804 ("intr is not torn down yet"));
1808 for (i = 0; i < sc->msk_num_port; ++i) {
1809 if (sc->msk_devs[i] != NULL) {
1810 port = device_get_ivars(sc->msk_devs[i]);
1812 kfree(port, M_DEVBUF);
1813 device_set_ivars(sc->msk_devs[i], NULL);
1815 device_delete_child(dev, sc->msk_devs[i]);
1819 /* Disable all interrupts. */
1820 CSR_WRITE_4(sc, B0_IMSK, 0);
1821 CSR_READ_4(sc, B0_IMSK);
1822 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
1823 CSR_READ_4(sc, B0_HWE_IMSK);
1826 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_OFF);
1828 /* Put hardware reset. */
1829 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
1831 mskc_status_dma_free(sc);
1833 if (sc->msk_irq != NULL) {
1834 bus_release_resource(dev, SYS_RES_IRQ, sc->msk_irq_rid,
1837 if (sc->msk_res != NULL) {
1838 bus_release_resource(dev, sc->msk_res_type, sc->msk_res_rid,
1842 if (sc->msk_sysctl_tree != NULL)
1843 sysctl_ctx_free(&sc->msk_sysctl_ctx);
1848 /* Create status DMA region. */
1850 mskc_status_dma_alloc(struct msk_softc *sc)
1855 error = bus_dmamem_coherent(NULL/* XXX parent */, MSK_STAT_ALIGN, 0,
1856 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
1857 MSK_STAT_RING_SZ, BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmem);
1859 device_printf(sc->msk_dev,
1860 "failed to create status coherent DMA memory\n");
1863 sc->msk_stat_tag = dmem.dmem_tag;
1864 sc->msk_stat_map = dmem.dmem_map;
1865 sc->msk_stat_ring = dmem.dmem_addr;
1866 sc->msk_stat_ring_paddr = dmem.dmem_busaddr;
1872 mskc_status_dma_free(struct msk_softc *sc)
1874 /* Destroy status block. */
1875 if (sc->msk_stat_tag) {
1876 bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map);
1877 bus_dmamem_free(sc->msk_stat_tag, sc->msk_stat_ring,
1879 bus_dma_tag_destroy(sc->msk_stat_tag);
1880 sc->msk_stat_tag = NULL;
1885 msk_txrx_dma_alloc(struct msk_if_softc *sc_if)
1889 struct msk_rxdesc *jrxd;
1890 struct msk_jpool_entry *entry;
1895 /* Create parent DMA tag. */
1898 * It seems that Yukon II supports full 64bits DMA operations. But
1899 * it needs two descriptors(list elements) for 64bits DMA operations.
1900 * Since we don't know what DMA address mappings(32bits or 64bits)
1901 * would be used in advance for each mbufs, we limits its DMA space
1902 * to be in range of 32bits address space. Otherwise, we should check
1903 * what DMA address is used and chain another descriptor for the
1904 * 64bits DMA operation. This also means descriptor ring size is
1905 * variable. Limiting DMA address to be in 32bit address space greatly
1906 * simplyfies descriptor handling and possibly would increase
1907 * performance a bit due to efficient handling of descriptors.
1908 * Apart from harassing checksum offloading mechanisms, it seems
1909 * it's really bad idea to use a seperate descriptor for 64bit
1910 * DMA operation to save small descriptor memory. Anyway, I've
1911 * never seen these exotic scheme on ethernet interface hardware.
1913 error = bus_dma_tag_create(
1915 1, 0, /* alignment, boundary */
1916 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
1917 BUS_SPACE_MAXADDR, /* highaddr */
1918 NULL, NULL, /* filter, filterarg */
1919 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
1921 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
1923 &sc_if->msk_cdata.msk_parent_tag);
1925 device_printf(sc_if->msk_if_dev,
1926 "failed to create parent DMA tag\n");
1930 /* Create DMA stuffs for Tx ring. */
1931 error = msk_dmamem_create(sc_if->msk_if_dev, MSK_TX_RING_SZ,
1932 &sc_if->msk_cdata.msk_tx_ring_tag,
1933 (void *)&sc_if->msk_rdata.msk_tx_ring,
1934 &sc_if->msk_rdata.msk_tx_ring_paddr,
1935 &sc_if->msk_cdata.msk_tx_ring_map);
1937 device_printf(sc_if->msk_if_dev,
1938 "failed to create TX ring DMA stuffs\n");
1942 /* Create DMA stuffs for Rx ring. */
1943 error = msk_dmamem_create(sc_if->msk_if_dev, MSK_RX_RING_SZ,
1944 &sc_if->msk_cdata.msk_rx_ring_tag,
1945 (void *)&sc_if->msk_rdata.msk_rx_ring,
1946 &sc_if->msk_rdata.msk_rx_ring_paddr,
1947 &sc_if->msk_cdata.msk_rx_ring_map);
1949 device_printf(sc_if->msk_if_dev,
1950 "failed to create RX ring DMA stuffs\n");
1954 /* Create tag for Tx buffers. */
1955 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
1956 1, 0, /* alignment, boundary */
1957 BUS_SPACE_MAXADDR, /* lowaddr */
1958 BUS_SPACE_MAXADDR, /* highaddr */
1959 NULL, NULL, /* filter, filterarg */
1960 MSK_JUMBO_FRAMELEN, /* maxsize */
1961 MSK_MAXTXSEGS, /* nsegments */
1962 MSK_MAXSGSIZE, /* maxsegsize */
1963 BUS_DMA_ALLOCNOW | BUS_DMA_WAITOK |
1964 BUS_DMA_ONEBPAGE, /* flags */
1965 &sc_if->msk_cdata.msk_tx_tag);
1967 device_printf(sc_if->msk_if_dev,
1968 "failed to create Tx DMA tag\n");
1972 /* Create DMA maps for Tx buffers. */
1973 for (i = 0; i < MSK_TX_RING_CNT; i++) {
1974 struct msk_txdesc *txd = &sc_if->msk_cdata.msk_txdesc[i];
1976 error = bus_dmamap_create(sc_if->msk_cdata.msk_tx_tag,
1977 BUS_DMA_WAITOK | BUS_DMA_ONEBPAGE,
1980 device_printf(sc_if->msk_if_dev,
1981 "failed to create %dth Tx dmamap\n", i);
1983 for (j = 0; j < i; ++j) {
1984 txd = &sc_if->msk_cdata.msk_txdesc[j];
1985 bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag,
1988 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag);
1989 sc_if->msk_cdata.msk_tx_tag = NULL;
1996 * Workaround hardware hang which seems to happen when Rx buffer
1997 * is not aligned on multiple of FIFO word(8 bytes).
1999 if (sc_if->msk_flags & MSK_FLAG_RAMBUF)
2000 rxalign = MSK_RX_BUF_ALIGN;
2004 /* Create tag for Rx buffers. */
2005 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2006 rxalign, 0, /* alignment, boundary */
2007 BUS_SPACE_MAXADDR, /* lowaddr */
2008 BUS_SPACE_MAXADDR, /* highaddr */
2009 NULL, NULL, /* filter, filterarg */
2010 MCLBYTES, /* maxsize */
2012 MCLBYTES, /* maxsegsize */
2013 BUS_DMA_ALLOCNOW | BUS_DMA_ALIGNED |
2014 BUS_DMA_WAITOK, /* flags */
2015 &sc_if->msk_cdata.msk_rx_tag);
2017 device_printf(sc_if->msk_if_dev,
2018 "failed to create Rx DMA tag\n");
2022 /* Create DMA maps for Rx buffers. */
2023 error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, BUS_DMA_WAITOK,
2024 &sc_if->msk_cdata.msk_rx_sparemap);
2026 device_printf(sc_if->msk_if_dev,
2027 "failed to create spare Rx dmamap\n");
2028 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag);
2029 sc_if->msk_cdata.msk_rx_tag = NULL;
2032 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2033 struct msk_rxdesc *rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2035 error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag,
2036 BUS_DMA_WAITOK, &rxd->rx_dmamap);
2038 device_printf(sc_if->msk_if_dev,
2039 "failed to create %dth Rx dmamap\n", i);
2041 for (j = 0; j < i; ++j) {
2042 rxd = &sc_if->msk_cdata.msk_rxdesc[j];
2043 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2046 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2047 sc_if->msk_cdata.msk_rx_sparemap);
2048 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag);
2049 sc_if->msk_cdata.msk_rx_tag = NULL;
2056 SLIST_INIT(&sc_if->msk_jfree_listhead);
2057 SLIST_INIT(&sc_if->msk_jinuse_listhead);
2059 /* Create tag for jumbo Rx ring. */
2060 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2061 MSK_RING_ALIGN, 0, /* alignment, boundary */
2062 BUS_SPACE_MAXADDR, /* lowaddr */
2063 BUS_SPACE_MAXADDR, /* highaddr */
2064 NULL, NULL, /* filter, filterarg */
2065 MSK_JUMBO_RX_RING_SZ, /* maxsize */
2067 MSK_JUMBO_RX_RING_SZ, /* maxsegsize */
2069 NULL, NULL, /* lockfunc, lockarg */
2070 &sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2072 device_printf(sc_if->msk_if_dev,
2073 "failed to create jumbo Rx ring DMA tag\n");
2077 /* Allocate DMA'able memory and load the DMA map for jumbo Rx ring. */
2078 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2079 (void **)&sc_if->msk_rdata.msk_jumbo_rx_ring,
2080 BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO,
2081 &sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2083 device_printf(sc_if->msk_if_dev,
2084 "failed to allocate DMA'able memory for jumbo Rx ring\n");
2088 ctx.msk_busaddr = 0;
2089 error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2090 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
2091 sc_if->msk_rdata.msk_jumbo_rx_ring, MSK_JUMBO_RX_RING_SZ,
2092 msk_dmamap_cb, &ctx, 0);
2094 device_printf(sc_if->msk_if_dev,
2095 "failed to load DMA'able memory for jumbo Rx ring\n");
2098 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr;
2100 /* Create tag for jumbo buffer blocks. */
2101 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2102 PAGE_SIZE, 0, /* alignment, boundary */
2103 BUS_SPACE_MAXADDR, /* lowaddr */
2104 BUS_SPACE_MAXADDR, /* highaddr */
2105 NULL, NULL, /* filter, filterarg */
2106 MSK_JMEM, /* maxsize */
2108 MSK_JMEM, /* maxsegsize */
2110 NULL, NULL, /* lockfunc, lockarg */
2111 &sc_if->msk_cdata.msk_jumbo_tag);
2113 device_printf(sc_if->msk_if_dev,
2114 "failed to create jumbo Rx buffer block DMA tag\n");
2118 /* Create tag for jumbo Rx buffers. */
2119 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2120 PAGE_SIZE, 0, /* alignment, boundary */
2121 BUS_SPACE_MAXADDR, /* lowaddr */
2122 BUS_SPACE_MAXADDR, /* highaddr */
2123 NULL, NULL, /* filter, filterarg */
2124 MCLBYTES * MSK_MAXRXSEGS, /* maxsize */
2125 MSK_MAXRXSEGS, /* nsegments */
2126 MSK_JLEN, /* maxsegsize */
2128 NULL, NULL, /* lockfunc, lockarg */
2129 &sc_if->msk_cdata.msk_jumbo_rx_tag);
2131 device_printf(sc_if->msk_if_dev,
2132 "failed to create jumbo Rx DMA tag\n");
2136 /* Create DMA maps for jumbo Rx buffers. */
2137 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2138 &sc_if->msk_cdata.msk_jumbo_rx_sparemap)) != 0) {
2139 device_printf(sc_if->msk_if_dev,
2140 "failed to create spare jumbo Rx dmamap\n");
2143 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2144 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2146 jrxd->rx_dmamap = NULL;
2147 error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2150 device_printf(sc_if->msk_if_dev,
2151 "failed to create jumbo Rx dmamap\n");
2156 /* Allocate DMA'able memory and load the DMA map for jumbo buf. */
2157 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_tag,
2158 (void **)&sc_if->msk_rdata.msk_jumbo_buf,
2159 BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO,
2160 &sc_if->msk_cdata.msk_jumbo_map);
2162 device_printf(sc_if->msk_if_dev,
2163 "failed to allocate DMA'able memory for jumbo buf\n");
2167 ctx.msk_busaddr = 0;
2168 error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_tag,
2169 sc_if->msk_cdata.msk_jumbo_map, sc_if->msk_rdata.msk_jumbo_buf,
2170 MSK_JMEM, msk_dmamap_cb, &ctx, 0);
2172 device_printf(sc_if->msk_if_dev,
2173 "failed to load DMA'able memory for jumbobuf\n");
2176 sc_if->msk_rdata.msk_jumbo_buf_paddr = ctx.msk_busaddr;
2179 * Now divide it up into 9K pieces and save the addresses
2182 ptr = sc_if->msk_rdata.msk_jumbo_buf;
2183 for (i = 0; i < MSK_JSLOTS; i++) {
2184 sc_if->msk_cdata.msk_jslots[i] = ptr;
2186 entry = malloc(sizeof(struct msk_jpool_entry),
2187 M_DEVBUF, M_WAITOK);
2188 if (entry == NULL) {
2189 device_printf(sc_if->msk_if_dev,
2190 "no memory for jumbo buffers!\n");
2195 SLIST_INSERT_HEAD(&sc_if->msk_jfree_listhead, entry,
2203 msk_txrx_dma_free(struct msk_if_softc *sc_if)
2205 struct msk_txdesc *txd;
2206 struct msk_rxdesc *rxd;
2208 struct msk_rxdesc *jrxd;
2209 struct msk_jpool_entry *entry;
2214 MSK_JLIST_LOCK(sc_if);
2215 while ((entry = SLIST_FIRST(&sc_if->msk_jinuse_listhead))) {
2216 device_printf(sc_if->msk_if_dev,
2217 "asked to free buffer that is in use!\n");
2218 SLIST_REMOVE_HEAD(&sc_if->msk_jinuse_listhead, jpool_entries);
2219 SLIST_INSERT_HEAD(&sc_if->msk_jfree_listhead, entry,
2223 while (!SLIST_EMPTY(&sc_if->msk_jfree_listhead)) {
2224 entry = SLIST_FIRST(&sc_if->msk_jfree_listhead);
2225 SLIST_REMOVE_HEAD(&sc_if->msk_jfree_listhead, jpool_entries);
2226 free(entry, M_DEVBUF);
2228 MSK_JLIST_UNLOCK(sc_if);
2230 /* Destroy jumbo buffer block. */
2231 if (sc_if->msk_cdata.msk_jumbo_map)
2232 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_tag,
2233 sc_if->msk_cdata.msk_jumbo_map);
2235 if (sc_if->msk_rdata.msk_jumbo_buf) {
2236 bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_tag,
2237 sc_if->msk_rdata.msk_jumbo_buf,
2238 sc_if->msk_cdata.msk_jumbo_map);
2239 sc_if->msk_rdata.msk_jumbo_buf = NULL;
2240 sc_if->msk_cdata.msk_jumbo_map = NULL;
2243 /* Jumbo Rx ring. */
2244 if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) {
2245 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map)
2246 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2247 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2248 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map &&
2249 sc_if->msk_rdata.msk_jumbo_rx_ring)
2250 bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2251 sc_if->msk_rdata.msk_jumbo_rx_ring,
2252 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2253 sc_if->msk_rdata.msk_jumbo_rx_ring = NULL;
2254 sc_if->msk_cdata.msk_jumbo_rx_ring_map = NULL;
2255 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2256 sc_if->msk_cdata.msk_jumbo_rx_ring_tag = NULL;
2259 /* Jumbo Rx buffers. */
2260 if (sc_if->msk_cdata.msk_jumbo_rx_tag) {
2261 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2262 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2263 if (jrxd->rx_dmamap) {
2265 sc_if->msk_cdata.msk_jumbo_rx_tag,
2267 jrxd->rx_dmamap = NULL;
2270 if (sc_if->msk_cdata.msk_jumbo_rx_sparemap) {
2271 bus_dmamap_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag,
2272 sc_if->msk_cdata.msk_jumbo_rx_sparemap);
2273 sc_if->msk_cdata.msk_jumbo_rx_sparemap = 0;
2275 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag);
2276 sc_if->msk_cdata.msk_jumbo_rx_tag = NULL;
2281 msk_dmamem_destroy(sc_if->msk_cdata.msk_tx_ring_tag,
2282 sc_if->msk_rdata.msk_tx_ring,
2283 sc_if->msk_cdata.msk_tx_ring_map);
2286 msk_dmamem_destroy(sc_if->msk_cdata.msk_rx_ring_tag,
2287 sc_if->msk_rdata.msk_rx_ring,
2288 sc_if->msk_cdata.msk_rx_ring_map);
2291 if (sc_if->msk_cdata.msk_tx_tag) {
2292 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2293 txd = &sc_if->msk_cdata.msk_txdesc[i];
2294 bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag,
2297 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag);
2298 sc_if->msk_cdata.msk_tx_tag = NULL;
2302 if (sc_if->msk_cdata.msk_rx_tag) {
2303 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2304 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2305 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2308 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2309 sc_if->msk_cdata.msk_rx_sparemap);
2310 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag);
2311 sc_if->msk_cdata.msk_rx_tag = NULL;
2314 if (sc_if->msk_cdata.msk_parent_tag) {
2315 bus_dma_tag_destroy(sc_if->msk_cdata.msk_parent_tag);
2316 sc_if->msk_cdata.msk_parent_tag = NULL;
2322 * Allocate a jumbo buffer.
2325 msk_jalloc(struct msk_if_softc *sc_if)
2327 struct msk_jpool_entry *entry;
2329 MSK_JLIST_LOCK(sc_if);
2331 entry = SLIST_FIRST(&sc_if->msk_jfree_listhead);
2333 if (entry == NULL) {
2334 MSK_JLIST_UNLOCK(sc_if);
2338 SLIST_REMOVE_HEAD(&sc_if->msk_jfree_listhead, jpool_entries);
2339 SLIST_INSERT_HEAD(&sc_if->msk_jinuse_listhead, entry, jpool_entries);
2341 MSK_JLIST_UNLOCK(sc_if);
2343 return (sc_if->msk_cdata.msk_jslots[entry->slot]);
2347 * Release a jumbo buffer.
2350 msk_jfree(void *buf, void *args)
2352 struct msk_if_softc *sc_if;
2353 struct msk_jpool_entry *entry;
2356 /* Extract the softc struct pointer. */
2357 sc_if = (struct msk_if_softc *)args;
2358 KASSERT(sc_if != NULL, ("%s: can't find softc pointer!", __func__));
2360 MSK_JLIST_LOCK(sc_if);
2361 /* Calculate the slot this buffer belongs to. */
2362 i = ((vm_offset_t)buf
2363 - (vm_offset_t)sc_if->msk_rdata.msk_jumbo_buf) / MSK_JLEN;
2364 KASSERT(i >= 0 && i < MSK_JSLOTS,
2365 ("%s: asked to free buffer that we don't manage!", __func__));
2367 entry = SLIST_FIRST(&sc_if->msk_jinuse_listhead);
2368 KASSERT(entry != NULL, ("%s: buffer not in use!", __func__));
2370 SLIST_REMOVE_HEAD(&sc_if->msk_jinuse_listhead, jpool_entries);
2371 SLIST_INSERT_HEAD(&sc_if->msk_jfree_listhead, entry, jpool_entries);
2372 if (SLIST_EMPTY(&sc_if->msk_jinuse_listhead))
2375 MSK_JLIST_UNLOCK(sc_if);
2380 msk_encap(struct msk_if_softc *sc_if, struct mbuf **m_head)
2382 struct msk_txdesc *txd, *txd_last;
2383 struct msk_tx_desc *tx_le;
2386 bus_dma_segment_t txsegs[MSK_MAXTXSEGS];
2387 uint32_t control, prod, si;
2388 uint16_t offset, tcp_offset;
2389 int error, i, nsegs, maxsegs, defrag;
2391 maxsegs = MSK_TX_RING_CNT - sc_if->msk_cdata.msk_tx_cnt -
2392 MSK_RESERVED_TX_DESC_CNT;
2393 KASSERT(maxsegs >= MSK_SPARE_TX_DESC_CNT,
2394 ("not enough spare TX desc"));
2395 if (maxsegs > MSK_MAXTXSEGS)
2396 maxsegs = MSK_MAXTXSEGS;
2399 * Align TX buffer to 64bytes boundary. This greately improves
2400 * bulk data TX performance on my 88E8053 (+100Mbps) at least.
2401 * Try avoiding m_defrag(), if the mbufs are not chained together
2402 * by m_next (i.e. m->m_len == m->m_pkthdr.len).
2405 #define MSK_TXBUF_ALIGN 64
2406 #define MSK_TXBUF_MASK (MSK_TXBUF_ALIGN - 1)
2410 if (m->m_len == m->m_pkthdr.len) {
2413 space = ((uintptr_t)m->m_data & MSK_TXBUF_MASK);
2415 if (M_WRITABLE(m)) {
2416 if (M_TRAILINGSPACE(m) >= space) {
2418 bcopy(m->m_data, m->m_data + space,
2422 sc_if->msk_softc->msk_trailing_copied++;
2424 space = MSK_TXBUF_ALIGN - space;
2425 if (M_LEADINGSPACE(m) >= space) {
2426 /* e.g. Small UDP datagrams */
2433 msk_leading_copied++;
2438 /* e.g. on forwarding path */
2443 m = m_defrag(*m_head, MB_DONTWAIT);
2451 sc_if->msk_softc->msk_defrag_avoided++;
2454 #undef MSK_TXBUF_MASK
2455 #undef MSK_TXBUF_ALIGN
2457 tcp_offset = offset = 0;
2458 if (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) {
2460 * Since mbuf has no protocol specific structure information
2461 * in it we have to inspect protocol information here to
2462 * setup TSO and checksum offload. I don't know why Marvell
2463 * made a such decision in chip design because other GigE
2464 * hardwares normally takes care of all these chores in
2465 * hardware. However, TSO performance of Yukon II is very
2466 * good such that it's worth to implement it.
2468 struct ether_header *eh;
2471 /* TODO check for M_WRITABLE(m) */
2473 offset = sizeof(struct ether_header);
2474 m = m_pullup(m, offset);
2479 eh = mtod(m, struct ether_header *);
2480 /* Check if hardware VLAN insertion is off. */
2481 if (eh->ether_type == htons(ETHERTYPE_VLAN)) {
2482 offset = sizeof(struct ether_vlan_header);
2483 m = m_pullup(m, offset);
2489 m = m_pullup(m, offset + sizeof(struct ip));
2494 ip = (struct ip *)(mtod(m, char *) + offset);
2495 offset += (ip->ip_hl << 2);
2496 tcp_offset = offset;
2498 * It seems that Yukon II has Tx checksum offload bug for
2499 * small TCP packets that's less than 60 bytes in size
2500 * (e.g. TCP window probe packet, pure ACK packet).
2501 * Common work around like padding with zeros to make the
2502 * frame minimum ethernet frame size didn't work at all.
2503 * Instead of disabling checksum offload completely we
2504 * resort to S/W checksum routine when we encounter short
2506 * Short UDP packets appear to be handled correctly by
2509 if (m->m_pkthdr.len < MSK_MIN_FRAMELEN &&
2510 (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) {
2513 csum = in_cksum_skip(m, ntohs(ip->ip_len) + offset -
2514 (ip->ip_hl << 2), offset);
2515 *(uint16_t *)(m->m_data + offset +
2516 m->m_pkthdr.csum_data) = csum;
2517 m->m_pkthdr.csum_flags &= ~CSUM_TCP;
2522 prod = sc_if->msk_cdata.msk_tx_prod;
2523 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2525 map = txd->tx_dmamap;
2527 error = bus_dmamap_load_mbuf_defrag(sc_if->msk_cdata.msk_tx_tag, map,
2528 m_head, txsegs, maxsegs, &nsegs, BUS_DMA_NOWAIT);
2534 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, map, BUS_DMASYNC_PREWRITE);
2541 /* Check if we have a VLAN tag to insert. */
2542 if ((m->m_flags & M_VLANTAG) != 0) {
2543 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2544 tx_le->msk_addr = htole32(0);
2545 tx_le->msk_control = htole32(OP_VLAN | HW_OWNER |
2546 htons(m->m_pkthdr.ether_vtag));
2547 sc_if->msk_cdata.msk_tx_cnt++;
2548 MSK_INC(prod, MSK_TX_RING_CNT);
2549 control |= INS_VLAN;
2552 /* Check if we have to handle checksum offload. */
2553 if (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) {
2554 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2555 tx_le->msk_addr = htole32(((tcp_offset + m->m_pkthdr.csum_data)
2556 & 0xffff) | ((uint32_t)tcp_offset << 16));
2557 tx_le->msk_control = htole32(1 << 16 | (OP_TCPLISW | HW_OWNER));
2558 control = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM;
2559 if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0)
2561 sc_if->msk_cdata.msk_tx_cnt++;
2562 MSK_INC(prod, MSK_TX_RING_CNT);
2566 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2567 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[0].ds_addr));
2568 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2570 sc_if->msk_cdata.msk_tx_cnt++;
2571 MSK_INC(prod, MSK_TX_RING_CNT);
2573 for (i = 1; i < nsegs; i++) {
2574 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2575 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[i].ds_addr));
2576 tx_le->msk_control = htole32(txsegs[i].ds_len | control |
2577 OP_BUFFER | HW_OWNER);
2578 sc_if->msk_cdata.msk_tx_cnt++;
2579 MSK_INC(prod, MSK_TX_RING_CNT);
2581 /* Update producer index. */
2582 sc_if->msk_cdata.msk_tx_prod = prod;
2584 /* Set EOP on the last desciptor. */
2585 prod = (prod + MSK_TX_RING_CNT - 1) % MSK_TX_RING_CNT;
2586 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2587 tx_le->msk_control |= htole32(EOP);
2589 /* Turn the first descriptor ownership to hardware. */
2590 tx_le = &sc_if->msk_rdata.msk_tx_ring[si];
2591 tx_le->msk_control |= htole32(HW_OWNER);
2593 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2594 map = txd_last->tx_dmamap;
2595 txd_last->tx_dmamap = txd->tx_dmamap;
2596 txd->tx_dmamap = map;
2603 msk_start(struct ifnet *ifp)
2605 struct msk_if_softc *sc_if;
2606 struct mbuf *m_head;
2609 sc_if = ifp->if_softc;
2611 ASSERT_SERIALIZED(ifp->if_serializer);
2613 if (!sc_if->msk_link) {
2614 ifq_purge(&ifp->if_snd);
2618 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
2622 while (!ifq_is_empty(&ifp->if_snd)) {
2623 if (MSK_IS_OACTIVE(sc_if)) {
2624 ifp->if_flags |= IFF_OACTIVE;
2628 m_head = ifq_dequeue(&ifp->if_snd, NULL);
2633 * Pack the data into the transmit ring. If we
2634 * don't have room, set the OACTIVE flag and wait
2635 * for the NIC to drain the ring.
2637 if (msk_encap(sc_if, &m_head) != 0) {
2639 if (sc_if->msk_cdata.msk_tx_cnt == 0) {
2642 ifp->if_flags |= IFF_OACTIVE;
2649 * If there's a BPF listener, bounce a copy of this frame
2652 BPF_MTAP(ifp, m_head);
2657 CSR_WRITE_2(sc_if->msk_softc,
2658 Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_PUT_IDX_REG),
2659 sc_if->msk_cdata.msk_tx_prod);
2661 /* Set a timeout in case the chip goes out to lunch. */
2662 ifp->if_timer = MSK_TX_TIMEOUT;
2667 msk_watchdog(struct ifnet *ifp)
2669 struct msk_if_softc *sc_if = ifp->if_softc;
2673 ASSERT_SERIALIZED(ifp->if_serializer);
2675 if (sc_if->msk_link == 0) {
2677 if_printf(sc_if->msk_ifp, "watchdog timeout "
2685 * Reclaim first as there is a possibility of losing Tx completion
2688 ridx = sc_if->msk_port == MSK_PORT_A ? STAT_TXA1_RIDX : STAT_TXA2_RIDX;
2689 idx = CSR_READ_2(sc_if->msk_softc, ridx);
2690 if (sc_if->msk_cdata.msk_tx_cons != idx) {
2691 msk_txeof(sc_if, idx);
2692 if (sc_if->msk_cdata.msk_tx_cnt == 0) {
2693 if_printf(ifp, "watchdog timeout (missed Tx interrupts) "
2695 if (!ifq_is_empty(&ifp->if_snd))
2701 if_printf(ifp, "watchdog timeout\n");
2704 if (!ifq_is_empty(&ifp->if_snd))
2709 mskc_shutdown(device_t dev)
2711 struct msk_softc *sc = device_get_softc(dev);
2714 lwkt_serialize_enter(&sc->msk_serializer);
2716 for (i = 0; i < sc->msk_num_port; i++) {
2717 if (sc->msk_if[i] != NULL)
2718 msk_stop(sc->msk_if[i]);
2721 /* Put hardware reset. */
2722 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
2724 lwkt_serialize_exit(&sc->msk_serializer);
2729 mskc_suspend(device_t dev)
2731 struct msk_softc *sc = device_get_softc(dev);
2734 lwkt_serialize_enter(&sc->msk_serializer);
2736 for (i = 0; i < sc->msk_num_port; i++) {
2737 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
2738 ((sc->msk_if[i]->msk_ifp->if_flags & IFF_RUNNING) != 0))
2739 msk_stop(sc->msk_if[i]);
2742 /* Disable all interrupts. */
2743 CSR_WRITE_4(sc, B0_IMSK, 0);
2744 CSR_READ_4(sc, B0_IMSK);
2745 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
2746 CSR_READ_4(sc, B0_HWE_IMSK);
2748 mskc_phy_power(sc, MSK_PHY_POWERDOWN);
2750 /* Put hardware reset. */
2751 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
2752 sc->msk_suspended = 1;
2754 lwkt_serialize_exit(&sc->msk_serializer);
2760 mskc_resume(device_t dev)
2762 struct msk_softc *sc = device_get_softc(dev);
2765 lwkt_serialize_enter(&sc->msk_serializer);
2767 /* Enable all clocks before accessing any registers. */
2768 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
2770 for (i = 0; i < sc->msk_num_port; i++) {
2771 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
2772 ((sc->msk_if[i]->msk_ifp->if_flags & IFF_UP) != 0))
2773 msk_init(sc->msk_if[i]);
2775 sc->msk_suspended = 0;
2777 lwkt_serialize_exit(&sc->msk_serializer);
2783 msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, int len)
2787 struct msk_rxdesc *rxd;
2790 ifp = sc_if->msk_ifp;
2792 cons = sc_if->msk_cdata.msk_rx_cons;
2794 rxlen = status >> 16;
2795 if ((status & GMR_FS_VLAN) != 0 &&
2796 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
2797 rxlen -= EVL_ENCAPLEN;
2798 if (sc_if->msk_flags & MSK_FLAG_NORXCHK) {
2800 * For controllers that returns bogus status code
2801 * just do minimal check and let upper stack
2802 * handle this frame.
2804 if (len > MSK_MAX_FRAMELEN || len < ETHER_HDR_LEN) {
2806 msk_discard_rxbuf(sc_if, cons);
2809 } else if (len > sc_if->msk_framesize ||
2810 ((status & GMR_FS_ANY_ERR) != 0) ||
2811 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
2812 /* Don't count flow-control packet as errors. */
2813 if ((status & GMR_FS_GOOD_FC) == 0)
2815 msk_discard_rxbuf(sc_if, cons);
2818 rxd = &sc_if->msk_cdata.msk_rxdesc[cons];
2820 if (msk_newbuf(sc_if, cons, 0) != 0) {
2822 /* Reuse old buffer. */
2823 msk_discard_rxbuf(sc_if, cons);
2826 m->m_pkthdr.rcvif = ifp;
2827 m->m_pkthdr.len = m->m_len = len;
2830 /* Check for VLAN tagged packets. */
2831 if ((status & GMR_FS_VLAN) != 0 &&
2832 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
2833 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
2834 m->m_flags |= M_VLANTAG;
2838 ifp->if_input(ifp, m);
2841 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
2842 MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_RX_RING_CNT);
2847 msk_jumbo_rxeof(struct msk_if_softc *sc_if, uint32_t status, int len)
2851 struct msk_rxdesc *jrxd;
2854 ifp = sc_if->msk_ifp;
2856 MSK_IF_LOCK_ASSERT(sc_if);
2858 cons = sc_if->msk_cdata.msk_rx_cons;
2860 rxlen = status >> 16;
2861 if ((status & GMR_FS_VLAN) != 0 &&
2862 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
2863 rxlen -= ETHER_VLAN_ENCAP_LEN;
2864 if (len > sc_if->msk_framesize ||
2865 ((status & GMR_FS_ANY_ERR) != 0) ||
2866 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
2867 /* Don't count flow-control packet as errors. */
2868 if ((status & GMR_FS_GOOD_FC) == 0)
2870 msk_discard_jumbo_rxbuf(sc_if, cons);
2873 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons];
2875 if (msk_jumbo_newbuf(sc_if, cons) != 0) {
2877 /* Reuse old buffer. */
2878 msk_discard_jumbo_rxbuf(sc_if, cons);
2881 m->m_pkthdr.rcvif = ifp;
2882 m->m_pkthdr.len = m->m_len = len;
2884 /* Check for VLAN tagged packets. */
2885 if ((status & GMR_FS_VLAN) != 0 &&
2886 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
2887 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
2888 m->m_flags |= M_VLANTAG;
2890 MSK_IF_UNLOCK(sc_if);
2891 (*ifp->if_input)(ifp, m);
2895 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
2896 MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_JUMBO_RX_RING_CNT);
2901 msk_txeof(struct msk_if_softc *sc_if, int idx)
2903 struct msk_txdesc *txd;
2904 struct msk_tx_desc *cur_tx;
2909 ifp = sc_if->msk_ifp;
2912 * Go through our tx ring and free mbufs for those
2913 * frames that have been sent.
2915 cons = sc_if->msk_cdata.msk_tx_cons;
2917 for (; cons != idx; MSK_INC(cons, MSK_TX_RING_CNT)) {
2918 if (sc_if->msk_cdata.msk_tx_cnt <= 0)
2921 cur_tx = &sc_if->msk_rdata.msk_tx_ring[cons];
2922 control = le32toh(cur_tx->msk_control);
2923 sc_if->msk_cdata.msk_tx_cnt--;
2924 if ((control & EOP) == 0)
2926 txd = &sc_if->msk_cdata.msk_txdesc[cons];
2927 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap);
2930 KASSERT(txd->tx_m != NULL, ("%s: freeing NULL mbuf!",
2937 sc_if->msk_cdata.msk_tx_cons = cons;
2938 if (!MSK_IS_OACTIVE(sc_if))
2939 ifp->if_flags &= ~IFF_OACTIVE;
2940 if (sc_if->msk_cdata.msk_tx_cnt == 0)
2942 /* No need to sync LEs as we didn't update LEs. */
2947 msk_tick(void *xsc_if)
2949 struct msk_if_softc *sc_if = xsc_if;
2950 struct ifnet *ifp = &sc_if->arpcom.ac_if;
2951 struct mii_data *mii;
2953 lwkt_serialize_enter(ifp->if_serializer);
2955 mii = device_get_softc(sc_if->msk_miibus);
2958 if (!sc_if->msk_link)
2959 msk_miibus_statchg(sc_if->msk_if_dev);
2960 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
2962 lwkt_serialize_exit(ifp->if_serializer);
2966 msk_intr_phy(struct msk_if_softc *sc_if)
2970 msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
2971 status = msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
2972 /* Handle FIFO Underrun/Overflow? */
2973 if (status & PHY_M_IS_FIFO_ERROR) {
2974 device_printf(sc_if->msk_if_dev,
2975 "PHY FIFO underrun/overflow.\n");
2980 msk_intr_gmac(struct msk_if_softc *sc_if)
2982 struct msk_softc *sc;
2985 sc = sc_if->msk_softc;
2986 status = CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
2988 /* GMAC Rx FIFO overrun. */
2989 if ((status & GM_IS_RX_FF_OR) != 0) {
2990 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
2993 /* GMAC Tx FIFO underrun. */
2994 if ((status & GM_IS_TX_FF_UR) != 0) {
2995 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
2997 device_printf(sc_if->msk_if_dev, "Tx FIFO underrun!\n");
3000 * In case of Tx underrun, we may need to flush/reset
3001 * Tx MAC but that would also require resynchronization
3002 * with status LEs. Reintializing status LEs would
3003 * affect other port in dual MAC configuration so it
3004 * should be avoided as possible as we can.
3005 * Due to lack of documentation it's all vague guess but
3006 * it needs more investigation.
3012 msk_handle_hwerr(struct msk_if_softc *sc_if, uint32_t status)
3014 struct msk_softc *sc;
3016 sc = sc_if->msk_softc;
3017 if ((status & Y2_IS_PAR_RD1) != 0) {
3018 device_printf(sc_if->msk_if_dev,
3019 "RAM buffer read parity error\n");
3021 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3024 if ((status & Y2_IS_PAR_WR1) != 0) {
3025 device_printf(sc_if->msk_if_dev,
3026 "RAM buffer write parity error\n");
3028 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3031 if ((status & Y2_IS_PAR_MAC1) != 0) {
3032 device_printf(sc_if->msk_if_dev, "Tx MAC parity error\n");
3034 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3037 if ((status & Y2_IS_PAR_RX1) != 0) {
3038 device_printf(sc_if->msk_if_dev, "Rx parity error\n");
3040 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_IRQ_PAR);
3042 if ((status & (Y2_IS_TCP_TXS1 | Y2_IS_TCP_TXA1)) != 0) {
3043 device_printf(sc_if->msk_if_dev, "TCP segmentation error\n");
3045 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_IRQ_TCP);
3050 mskc_intr_hwerr(struct msk_softc *sc)
3053 uint32_t tlphead[4];
3055 status = CSR_READ_4(sc, B0_HWE_ISRC);
3056 /* Time Stamp timer overflow. */
3057 if ((status & Y2_IS_TIST_OV) != 0)
3058 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
3059 if ((status & Y2_IS_PCI_NEXP) != 0) {
3061 * PCI Express Error occured which is not described in PEX
3063 * This error is also mapped either to Master Abort(
3064 * Y2_IS_MST_ERR) or Target Abort (Y2_IS_IRQ_STAT) bit and
3065 * can only be cleared there.
3067 device_printf(sc->msk_dev,
3068 "PCI Express protocol violation error\n");
3071 if ((status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) != 0) {
3074 if ((status & Y2_IS_MST_ERR) != 0)
3075 device_printf(sc->msk_dev,
3076 "unexpected IRQ Status error\n");
3078 device_printf(sc->msk_dev,
3079 "unexpected IRQ Master error\n");
3080 /* Reset all bits in the PCI status register. */
3081 v16 = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
3082 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3083 pci_write_config(sc->msk_dev, PCIR_STATUS, v16 |
3084 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
3085 PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2);
3086 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3089 /* Check for PCI Express Uncorrectable Error. */
3090 if ((status & Y2_IS_PCI_EXP) != 0) {
3094 * On PCI Express bus bridges are called root complexes (RC).
3095 * PCI Express errors are recognized by the root complex too,
3096 * which requests the system to handle the problem. After
3097 * error occurence it may be that no access to the adapter
3098 * may be performed any longer.
3101 v32 = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
3102 if ((v32 & PEX_UNSUP_REQ) != 0) {
3103 /* Ignore unsupported request error. */
3105 device_printf(sc->msk_dev,
3106 "Uncorrectable PCI Express error\n");
3109 if ((v32 & (PEX_FATAL_ERRORS | PEX_POIS_TLP)) != 0) {
3112 /* Get TLP header form Log Registers. */
3113 for (i = 0; i < 4; i++)
3114 tlphead[i] = CSR_PCI_READ_4(sc,
3115 PEX_HEADER_LOG + i * 4);
3116 /* Check for vendor defined broadcast message. */
3117 if (!(tlphead[0] == 0x73004001 && tlphead[1] == 0x7f)) {
3118 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
3119 CSR_WRITE_4(sc, B0_HWE_IMSK,
3120 sc->msk_intrhwemask);
3121 CSR_READ_4(sc, B0_HWE_IMSK);
3124 /* Clear the interrupt. */
3125 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3126 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
3127 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3130 if ((status & Y2_HWE_L1_MASK) != 0 && sc->msk_if[MSK_PORT_A] != NULL)
3131 msk_handle_hwerr(sc->msk_if[MSK_PORT_A], status);
3132 if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL)
3133 msk_handle_hwerr(sc->msk_if[MSK_PORT_B], status >> 8);
3136 static __inline void
3137 msk_rxput(struct msk_if_softc *sc_if)
3139 struct msk_softc *sc;
3141 sc = sc_if->msk_softc;
3143 if (sc_if->msk_framesize > (MCLBYTES - ETHER_HDR_LEN)) {
3145 sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
3146 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
3147 BUS_DMASYNC_PREWRITE);
3150 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq,
3151 PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod);
3155 mskc_handle_events(struct msk_softc *sc)
3157 struct msk_if_softc *sc_if;
3159 struct msk_stat_desc *sd;
3160 uint32_t control, status;
3161 int cons, idx, len, port, rxprog;
3163 idx = CSR_READ_2(sc, STAT_PUT_IDX);
3164 if (idx == sc->msk_stat_cons)
3167 rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0;
3170 for (cons = sc->msk_stat_cons; cons != idx;) {
3171 sd = &sc->msk_stat_ring[cons];
3172 control = le32toh(sd->msk_control);
3173 if ((control & HW_OWNER) == 0)
3176 * Marvell's FreeBSD driver updates status LE after clearing
3177 * HW_OWNER. However we don't have a way to sync single LE
3178 * with bus_dma(9) API. bus_dma(9) provides a way to sync
3179 * an entire DMA map. So don't sync LE until we have a better
3182 control &= ~HW_OWNER;
3183 sd->msk_control = htole32(control);
3184 status = le32toh(sd->msk_status);
3185 len = control & STLE_LEN_MASK;
3186 port = (control >> 16) & 0x01;
3187 sc_if = sc->msk_if[port];
3188 if (sc_if == NULL) {
3189 device_printf(sc->msk_dev, "invalid port opcode "
3190 "0x%08x\n", control & STLE_OP_MASK);
3194 switch (control & STLE_OP_MASK) {
3196 sc_if->msk_vtag = ntohs(len);
3199 sc_if->msk_vtag = ntohs(len);
3202 if ((sc_if->msk_ifp->if_flags & IFF_RUNNING) == 0)
3205 if (sc_if->msk_framesize > (MCLBYTES - ETHER_HDR_LEN))
3206 msk_jumbo_rxeof(sc_if, status, len);
3209 msk_rxeof(sc_if, status, len);
3212 * Because there is no way to sync single Rx LE
3213 * put the DMA sync operation off until the end of
3217 /* Update prefetch unit if we've passed water mark. */
3218 if (rxput[port] >= sc_if->msk_cdata.msk_rx_putwm) {
3224 if (sc->msk_if[MSK_PORT_A] != NULL) {
3225 msk_txeof(sc->msk_if[MSK_PORT_A],
3226 status & STLE_TXA1_MSKL);
3228 if (sc->msk_if[MSK_PORT_B] != NULL) {
3229 msk_txeof(sc->msk_if[MSK_PORT_B],
3230 ((status & STLE_TXA2_MSKL) >>
3232 ((len & STLE_TXA2_MSKH) <<
3237 device_printf(sc->msk_dev, "unhandled opcode 0x%08x\n",
3238 control & STLE_OP_MASK);
3241 MSK_INC(cons, MSK_STAT_RING_CNT);
3242 if (rxprog > sc->msk_process_limit)
3246 sc->msk_stat_cons = cons;
3247 /* XXX We should sync status LEs here. See above notes. */
3249 if (rxput[MSK_PORT_A] > 0)
3250 msk_rxput(sc->msk_if[MSK_PORT_A]);
3251 if (rxput[MSK_PORT_B] > 0)
3252 msk_rxput(sc->msk_if[MSK_PORT_B]);
3254 return (sc->msk_stat_cons != CSR_READ_2(sc, STAT_PUT_IDX));
3257 /* Legacy interrupt handler for shared interrupt. */
3259 mskc_intr(void *xsc)
3261 struct msk_softc *sc;
3262 struct msk_if_softc *sc_if0, *sc_if1;
3263 struct ifnet *ifp0, *ifp1;
3267 ASSERT_SERIALIZED(&sc->msk_serializer);
3269 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */
3270 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2);
3271 if (status == 0 || status == 0xffffffff || sc->msk_suspended != 0 ||
3272 (status & sc->msk_intrmask) == 0) {
3273 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3277 sc_if0 = sc->msk_if[MSK_PORT_A];
3278 sc_if1 = sc->msk_if[MSK_PORT_B];
3281 ifp0 = sc_if0->msk_ifp;
3283 ifp1 = sc_if1->msk_ifp;
3285 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL)
3286 msk_intr_phy(sc_if0);
3287 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL)
3288 msk_intr_phy(sc_if1);
3289 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL)
3290 msk_intr_gmac(sc_if0);
3291 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL)
3292 msk_intr_gmac(sc_if1);
3293 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) {
3294 device_printf(sc->msk_dev, "Rx descriptor error\n");
3295 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2);
3296 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3297 CSR_READ_4(sc, B0_IMSK);
3299 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) {
3300 device_printf(sc->msk_dev, "Tx descriptor error\n");
3301 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2);
3302 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3303 CSR_READ_4(sc, B0_IMSK);
3305 if ((status & Y2_IS_HW_ERR) != 0)
3306 mskc_intr_hwerr(sc);
3308 while (mskc_handle_events(sc) != 0)
3310 if ((status & Y2_IS_STAT_BMU) != 0)
3311 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ);
3313 /* Reenable interrupts. */
3314 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3316 if (ifp0 != NULL && (ifp0->if_flags & IFF_RUNNING) != 0 &&
3317 !ifq_is_empty(&ifp0->if_snd))
3319 if (ifp1 != NULL && (ifp1->if_flags & IFF_RUNNING) != 0 &&
3320 !ifq_is_empty(&ifp1->if_snd))
3325 msk_set_tx_stfwd(struct msk_if_softc *sc_if)
3327 struct msk_softc *sc = sc_if->msk_softc;
3328 struct ifnet *ifp = sc_if->msk_ifp;
3330 if ((sc->msk_hw_id == CHIP_ID_YUKON_EX &&
3331 sc->msk_hw_rev != CHIP_REV_YU_EX_A0) ||
3332 sc->msk_hw_id >= CHIP_ID_YUKON_SUPR) {
3333 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3336 if (ifp->if_mtu > ETHERMTU) {
3337 /* Set Tx GMAC FIFO Almost Empty Threshold. */
3339 MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR),
3340 MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR);
3341 /* Disable Store & Forward mode for Tx. */
3342 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3345 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3354 struct msk_if_softc *sc_if = xsc;
3355 struct msk_softc *sc = sc_if->msk_softc;
3356 struct ifnet *ifp = sc_if->msk_ifp;
3357 struct mii_data *mii;
3358 uint16_t eaddr[ETHER_ADDR_LEN / 2];
3363 ASSERT_SERIALIZED(ifp->if_serializer);
3365 mii = device_get_softc(sc_if->msk_miibus);
3368 /* Cancel pending I/O and free all Rx/Tx buffers. */
3371 sc_if->msk_framesize = ifp->if_mtu + ETHER_HDR_LEN + EVL_ENCAPLEN;
3372 if (sc_if->msk_framesize > MSK_MAX_FRAMELEN &&
3373 sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_EC_U) {
3375 * In Yukon EC Ultra, TSO & checksum offload is not
3376 * supported for jumbo frame.
3378 ifp->if_hwassist &= ~MSK_CSUM_FEATURES;
3379 ifp->if_capenable &= ~IFCAP_TXCSUM;
3382 /* GMAC Control reset. */
3383 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_SET);
3384 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_CLR);
3385 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_F_LOOPB_OFF);
3386 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
3387 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
3388 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL),
3389 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
3394 * Initialize GMAC first such that speed/duplex/flow-control
3395 * parameters are renegotiated when interface is brought up.
3397 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, 0);
3399 /* Dummy read the Interrupt Source Register. */
3400 CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3402 /* Set MIB Clear Counter Mode. */
3403 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
3404 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
3405 /* Read all MIB Counters with Clear Mode set. */
3406 for (i = 0; i < GM_MIB_CNT_SIZE; i++)
3407 GMAC_READ_2(sc, sc_if->msk_port, GM_MIB_CNT_BASE + 8 * i);
3408 /* Clear MIB Clear Counter Mode. */
3409 gmac &= ~GM_PAR_MIB_CLR;
3410 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
3413 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, GM_RXCR_CRC_DIS);
3415 /* Setup Transmit Control Register. */
3416 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF));
3418 /* Setup Transmit Flow Control Register. */
3419 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_FLOW_CTRL, 0xffff);
3421 /* Setup Transmit Parameter Register. */
3422 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_PARAM,
3423 TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) |
3424 TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF));
3426 gmac = DATA_BLIND_VAL(DATA_BLIND_DEF) |
3427 GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
3429 if (sc_if->msk_framesize > MSK_MAX_FRAMELEN)
3430 gmac |= GM_SMOD_JUMBO_ENA;
3431 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac);
3433 /* Set station address. */
3434 bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN);
3435 for (i = 0; i < ETHER_ADDR_LEN /2; i++)
3436 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L + i * 4,
3438 for (i = 0; i < ETHER_ADDR_LEN /2; i++)
3439 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L + i * 4,
3442 /* Disable interrupts for counter overflows. */
3443 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_IRQ_MSK, 0);
3444 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_IRQ_MSK, 0);
3445 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TR_IRQ_MSK, 0);
3447 /* Configure Rx MAC FIFO. */
3448 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
3449 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR);
3450 reg = GMF_OPER_ON | GMF_RX_F_FL_ON;
3451 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P ||
3452 sc->msk_hw_id == CHIP_ID_YUKON_EX)
3453 reg |= GMF_RX_OVER_ON;
3454 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), reg);
3456 /* Set receive filter. */
3457 msk_rxfilter(sc_if);
3459 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
3460 /* Clear flush mask - HW bug. */
3461 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 0);
3463 /* Flush Rx MAC FIFO on any flow control or error. */
3464 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK),
3469 * Set Rx FIFO flush threshold to 64 bytes 1 FIFO word
3470 * due to hardware hang on receipt of pause frames.
3472 reg = RX_GMF_FL_THR_DEF + 1;
3473 /* Another magic for Yukon FE+ - From Linux. */
3474 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3475 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0)
3477 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), reg);
3480 /* Configure Tx MAC FIFO. */
3481 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
3482 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR);
3483 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_OPER_ON);
3485 /* Configure hardware VLAN tag insertion/stripping. */
3486 msk_setvlan(sc_if, ifp);
3488 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) {
3489 /* Set Rx Pause threshould. */
3490 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR),
3492 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR),
3494 /* Configure store-and-forward for Tx. */
3495 msk_set_tx_stfwd(sc_if);
3498 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3499 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
3500 /* Disable dynamic watermark - from Linux. */
3501 reg = CSR_READ_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA));
3503 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA), reg);
3507 * Disable Force Sync bit and Alloc bit in Tx RAM interface
3508 * arbiter as we don't use Sync Tx queue.
3510 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL),
3511 TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
3512 /* Enable the RAM Interface Arbiter. */
3513 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_ENA_ARB);
3515 /* Setup RAM buffer. */
3516 msk_set_rambuffer(sc_if);
3518 /* Disable Tx sync Queue. */
3519 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txsq, RB_CTRL), RB_RST_SET);
3521 /* Setup Tx Queue Bus Memory Interface. */
3522 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_RESET);
3523 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_OPER_INIT);
3524 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_FIFO_OP_ON);
3525 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_WM), MSK_BMU_TX_WM);
3526 switch (sc->msk_hw_id) {
3527 case CHIP_ID_YUKON_EC_U:
3528 if (sc->msk_hw_rev == CHIP_REV_YU_EC_U_A0) {
3529 /* Fix for Yukon-EC Ultra: set BMU FIFO level */
3530 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_AL),
3534 case CHIP_ID_YUKON_EX:
3536 * Yukon Extreme seems to have silicon bug for
3537 * automatic Tx checksum calculation capability.
3539 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0) {
3540 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_F),
3546 /* Setup Rx Queue Bus Memory Interface. */
3547 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_RESET);
3548 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_OPER_INIT);
3549 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_FIFO_OP_ON);
3550 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_rxq, Q_WM), MSK_BMU_RX_WM);
3551 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U &&
3552 sc->msk_hw_rev >= CHIP_REV_YU_EC_U_A1) {
3553 /* MAC Rx RAM Read is controlled by hardware. */
3554 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_F), F_M_RX_RAM_DIS);
3557 msk_set_prefetch(sc, sc_if->msk_txq,
3558 sc_if->msk_rdata.msk_tx_ring_paddr, MSK_TX_RING_CNT - 1);
3559 msk_init_tx_ring(sc_if);
3561 /* Disable Rx checksum offload and RSS hash. */
3562 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR),
3563 BMU_DIS_RX_CHKSUM | BMU_DIS_RX_RSS_HASH);
3565 if (sc_if->msk_framesize > (MCLBYTES - ETHER_HDR_LEN)) {
3566 msk_set_prefetch(sc, sc_if->msk_rxq,
3567 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr,
3568 MSK_JUMBO_RX_RING_CNT - 1);
3569 error = msk_init_jumbo_rx_ring(sc_if);
3573 msk_set_prefetch(sc, sc_if->msk_rxq,
3574 sc_if->msk_rdata.msk_rx_ring_paddr,
3575 MSK_RX_RING_CNT - 1);
3576 error = msk_init_rx_ring(sc_if);
3579 device_printf(sc_if->msk_if_dev,
3580 "initialization failed: no memory for Rx buffers\n");
3584 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
3585 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
3586 /* Disable flushing of non-ASF packets. */
3587 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
3588 GMF_RX_MACSEC_FLUSH_OFF);
3591 /* Configure interrupt handling. */
3592 if (sc_if->msk_port == MSK_PORT_A) {
3593 sc->msk_intrmask |= Y2_IS_PORT_A;
3594 sc->msk_intrhwemask |= Y2_HWE_L1_MASK;
3596 sc->msk_intrmask |= Y2_IS_PORT_B;
3597 sc->msk_intrhwemask |= Y2_HWE_L2_MASK;
3599 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
3600 CSR_READ_4(sc, B0_HWE_IMSK);
3601 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3602 CSR_READ_4(sc, B0_IMSK);
3604 sc_if->msk_link = 0;
3607 mskc_set_imtimer(sc);
3609 ifp->if_flags |= IFF_RUNNING;
3610 ifp->if_flags &= ~IFF_OACTIVE;
3612 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
3616 msk_set_rambuffer(struct msk_if_softc *sc_if)
3618 struct msk_softc *sc;
3621 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
3624 sc = sc_if->msk_softc;
3626 /* Setup Rx Queue. */
3627 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_CLR);
3628 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_START),
3629 sc->msk_rxqstart[sc_if->msk_port] / 8);
3630 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_END),
3631 sc->msk_rxqend[sc_if->msk_port] / 8);
3632 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_WP),
3633 sc->msk_rxqstart[sc_if->msk_port] / 8);
3634 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RP),
3635 sc->msk_rxqstart[sc_if->msk_port] / 8);
3637 utpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
3638 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_ULPP) / 8;
3639 ltpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
3640 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_LLPP_B) / 8;
3641 if (sc->msk_rxqsize < MSK_MIN_RXQ_SIZE)
3642 ltpp += (MSK_RB_LLPP_B - MSK_RB_LLPP_S) / 8;
3643 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_UTPP), utpp);
3644 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_LTPP), ltpp);
3645 /* Set Rx priority(RB_RX_UTHP/RB_RX_LTHP) thresholds? */
3647 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_ENA_OP_MD);
3648 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL));
3650 /* Setup Tx Queue. */
3651 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_CLR);
3652 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_START),
3653 sc->msk_txqstart[sc_if->msk_port] / 8);
3654 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_END),
3655 sc->msk_txqend[sc_if->msk_port] / 8);
3656 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_WP),
3657 sc->msk_txqstart[sc_if->msk_port] / 8);
3658 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_RP),
3659 sc->msk_txqstart[sc_if->msk_port] / 8);
3660 /* Enable Store & Forward for Tx side. */
3661 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_STFWD);
3662 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_OP_MD);
3663 CSR_READ_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL));
3667 msk_set_prefetch(struct msk_softc *sc, int qaddr, bus_addr_t addr,
3671 /* Reset the prefetch unit. */
3672 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
3674 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
3676 /* Set LE base address. */
3677 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_LOW_REG),
3679 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_HI_REG),
3681 /* Set the list last index. */
3682 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_LAST_IDX_REG),
3684 /* Turn on prefetch unit. */
3685 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
3687 /* Dummy read to ensure write. */
3688 CSR_READ_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG));
3692 msk_stop(struct msk_if_softc *sc_if)
3694 struct msk_softc *sc = sc_if->msk_softc;
3695 struct ifnet *ifp = sc_if->msk_ifp;
3696 struct msk_txdesc *txd;
3697 struct msk_rxdesc *rxd;
3699 struct msk_rxdesc *jrxd;
3704 ASSERT_SERIALIZED(ifp->if_serializer);
3706 callout_stop(&sc_if->msk_tick_ch);
3709 /* Disable interrupts. */
3710 if (sc_if->msk_port == MSK_PORT_A) {
3711 sc->msk_intrmask &= ~Y2_IS_PORT_A;
3712 sc->msk_intrhwemask &= ~Y2_HWE_L1_MASK;
3714 sc->msk_intrmask &= ~Y2_IS_PORT_B;
3715 sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK;
3717 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
3718 CSR_READ_4(sc, B0_HWE_IMSK);
3719 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3720 CSR_READ_4(sc, B0_IMSK);
3722 /* Disable Tx/Rx MAC. */
3723 val = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
3724 val &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
3725 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, val);
3726 /* Read again to ensure writing. */
3727 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
3730 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP);
3731 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
3732 for (i = 0; i < MSK_TIMEOUT; i++) {
3733 if ((val & (BMU_STOP | BMU_IDLE)) == 0) {
3734 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
3736 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
3741 if (i == MSK_TIMEOUT)
3742 device_printf(sc_if->msk_if_dev, "Tx BMU stop failed\n");
3743 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL),
3744 RB_RST_SET | RB_DIS_OP_MD);
3746 /* Disable all GMAC interrupt. */
3747 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 0);
3748 /* Disable PHY interrupt. */
3749 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
3751 /* Disable the RAM Interface Arbiter. */
3752 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_ARB);
3754 /* Reset the PCI FIFO of the async Tx queue */
3755 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
3756 BMU_RST_SET | BMU_FIFO_RST);
3758 /* Reset the Tx prefetch units. */
3759 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_CTRL_REG),
3762 /* Reset the RAM Buffer async Tx queue. */
3763 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET);
3765 /* Reset Tx MAC FIFO. */
3766 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
3767 /* Set Pause Off. */
3768 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_PAUSE_OFF);
3771 * The Rx Stop command will not work for Yukon-2 if the BMU does not
3772 * reach the end of packet and since we can't make sure that we have
3773 * incoming data, we must reset the BMU while it is not during a DMA
3774 * transfer. Since it is possible that the Rx path is still active,
3775 * the Rx RAM buffer will be stopped first, so any possible incoming
3776 * data will not trigger a DMA. After the RAM buffer is stopped, the
3777 * BMU is polled until any DMA in progress is ended and only then it
3781 /* Disable the RAM Buffer receive queue. */
3782 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_DIS_OP_MD);
3783 for (i = 0; i < MSK_TIMEOUT; i++) {
3784 if (CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RSL)) ==
3785 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RL)))
3789 if (i == MSK_TIMEOUT)
3790 device_printf(sc_if->msk_if_dev, "Rx BMU stop failed\n");
3791 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR),
3792 BMU_RST_SET | BMU_FIFO_RST);
3793 /* Reset the Rx prefetch unit. */
3794 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_CTRL_REG),
3796 /* Reset the RAM Buffer receive queue. */
3797 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_SET);
3798 /* Reset Rx MAC FIFO. */
3799 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
3801 /* Free Rx and Tx mbufs still in the queues. */
3802 for (i = 0; i < MSK_RX_RING_CNT; i++) {
3803 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
3804 if (rxd->rx_m != NULL) {
3805 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag,
3812 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
3813 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
3814 if (jrxd->rx_m != NULL) {
3815 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
3816 jrxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
3817 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
3819 m_freem(jrxd->rx_m);
3824 for (i = 0; i < MSK_TX_RING_CNT; i++) {
3825 txd = &sc_if->msk_cdata.msk_txdesc[i];
3826 if (txd->tx_m != NULL) {
3827 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag,
3835 * Mark the interface down.
3837 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
3838 sc_if->msk_link = 0;
3842 mskc_sysctl_proc_limit(SYSCTL_HANDLER_ARGS)
3844 return sysctl_int_range(oidp, arg1, arg2, req,
3845 MSK_PROC_MIN, MSK_PROC_MAX);
3849 mskc_sysctl_intr_rate(SYSCTL_HANDLER_ARGS)
3851 struct msk_softc *sc = arg1;
3852 struct lwkt_serialize *serializer = &sc->msk_serializer;
3855 lwkt_serialize_enter(serializer);
3857 v = sc->msk_intr_rate;
3858 error = sysctl_handle_int(oidp, &v, 0, req);
3859 if (error || req->newptr == NULL)
3866 if (sc->msk_intr_rate != v) {
3869 sc->msk_intr_rate = v;
3870 for (i = 0; i < 2; ++i) {
3871 if (sc->msk_if[i] != NULL) {
3872 flag |= sc->msk_if[i]->
3873 arpcom.ac_if.if_flags & IFF_RUNNING;
3877 mskc_set_imtimer(sc);
3880 lwkt_serialize_exit(serializer);
3885 msk_dmamem_create(device_t dev, bus_size_t size, bus_dma_tag_t *dtag,
3886 void **addr, bus_addr_t *paddr, bus_dmamap_t *dmap)
3888 struct msk_if_softc *sc_if = device_get_softc(dev);
3892 error = bus_dmamem_coherent(sc_if->msk_cdata.msk_parent_tag,
3894 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
3895 size, BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmem);
3897 device_printf(dev, "can't create coherent DMA memory\n");
3901 *dtag = dmem.dmem_tag;
3902 *dmap = dmem.dmem_map;
3903 *addr = dmem.dmem_addr;
3904 *paddr = dmem.dmem_busaddr;
3910 msk_dmamem_destroy(bus_dma_tag_t dtag, void *addr, bus_dmamap_t dmap)
3913 bus_dmamap_unload(dtag, dmap);
3914 bus_dmamem_free(dtag, addr, dmap);
3915 bus_dma_tag_destroy(dtag);
3920 mskc_set_imtimer(struct msk_softc *sc)
3922 if (sc->msk_intr_rate > 0) {
3924 * XXX myk(4) seems to use 125MHz for EC/FE/XL
3925 * and 78.125MHz for rest of chip types
3927 CSR_WRITE_4(sc, B2_IRQM_INI,
3928 MSK_USECS(sc, 1000000 / sc->msk_intr_rate));
3929 CSR_WRITE_4(sc, B2_IRQM_MSK, sc->msk_intrmask);
3930 CSR_WRITE_4(sc, B2_IRQM_CTRL, TIM_START);
3932 CSR_WRITE_4(sc, B2_IRQM_CTRL, TIM_STOP);