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.
96 * Device driver for the Marvell Yukon II Ethernet controller.
97 * Due to lack of documentation, this driver is based on the code from
98 * sk(4) and Marvell's myk(4) driver for FreeBSD 5.x.
101 #include <sys/cdefs.h>
102 __FBSDID("$FreeBSD$");
104 #include <sys/param.h>
105 #include <sys/systm.h>
107 #include <sys/endian.h>
108 #include <sys/mbuf.h>
109 #include <sys/malloc.h>
110 #include <sys/kernel.h>
111 #include <sys/module.h>
112 #include <sys/socket.h>
113 #include <sys/sockio.h>
114 #include <sys/queue.h>
115 #include <sys/sysctl.h>
118 #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/if_types.h>
124 #include <net/if_vlan_var.h>
126 #include <netinet/in.h>
127 #include <netinet/in_systm.h>
128 #include <netinet/ip.h>
129 #include <netinet/tcp.h>
130 #include <netinet/udp.h>
132 #include <machine/bus.h>
133 #include <machine/in_cksum.h>
134 #include <machine/resource.h>
135 #include <sys/rman.h>
137 #include <dev/mii/mii.h>
138 #include <dev/mii/miivar.h>
140 #include <dev/pci/pcireg.h>
141 #include <dev/pci/pcivar.h>
143 #include <dev/msk/if_mskreg.h>
145 MODULE_DEPEND(msk, pci, 1, 1, 1);
146 MODULE_DEPEND(msk, ether, 1, 1, 1);
147 MODULE_DEPEND(msk, miibus, 1, 1, 1);
149 /* "device miibus" required. See GENERIC if you get errors here. */
150 #include "miibus_if.h"
153 static int msi_disable = 0;
154 TUNABLE_INT("hw.msk.msi_disable", &msi_disable);
155 static int legacy_intr = 0;
156 TUNABLE_INT("hw.msk.legacy_intr", &legacy_intr);
157 static int jumbo_disable = 0;
158 TUNABLE_INT("hw.msk.jumbo_disable", &jumbo_disable);
160 #define MSK_CSUM_FEATURES (CSUM_TCP | CSUM_UDP)
163 * Devices supported by this driver.
165 static struct msk_product {
166 uint16_t msk_vendorid;
167 uint16_t msk_deviceid;
168 const char *msk_name;
170 { VENDORID_SK, DEVICEID_SK_YUKON2,
171 "SK-9Sxx Gigabit Ethernet" },
172 { VENDORID_SK, DEVICEID_SK_YUKON2_EXPR,
173 "SK-9Exx Gigabit Ethernet"},
174 { VENDORID_MARVELL, DEVICEID_MRVL_8021CU,
175 "Marvell Yukon 88E8021CU Gigabit Ethernet" },
176 { VENDORID_MARVELL, DEVICEID_MRVL_8021X,
177 "Marvell Yukon 88E8021 SX/LX Gigabit Ethernet" },
178 { VENDORID_MARVELL, DEVICEID_MRVL_8022CU,
179 "Marvell Yukon 88E8022CU Gigabit Ethernet" },
180 { VENDORID_MARVELL, DEVICEID_MRVL_8022X,
181 "Marvell Yukon 88E8022 SX/LX Gigabit Ethernet" },
182 { VENDORID_MARVELL, DEVICEID_MRVL_8061CU,
183 "Marvell Yukon 88E8061CU Gigabit Ethernet" },
184 { VENDORID_MARVELL, DEVICEID_MRVL_8061X,
185 "Marvell Yukon 88E8061 SX/LX Gigabit Ethernet" },
186 { VENDORID_MARVELL, DEVICEID_MRVL_8062CU,
187 "Marvell Yukon 88E8062CU Gigabit Ethernet" },
188 { VENDORID_MARVELL, DEVICEID_MRVL_8062X,
189 "Marvell Yukon 88E8062 SX/LX Gigabit Ethernet" },
190 { VENDORID_MARVELL, DEVICEID_MRVL_8035,
191 "Marvell Yukon 88E8035 Fast Ethernet" },
192 { VENDORID_MARVELL, DEVICEID_MRVL_8036,
193 "Marvell Yukon 88E8036 Fast Ethernet" },
194 { VENDORID_MARVELL, DEVICEID_MRVL_8038,
195 "Marvell Yukon 88E8038 Fast Ethernet" },
196 { VENDORID_MARVELL, DEVICEID_MRVL_8039,
197 "Marvell Yukon 88E8039 Fast Ethernet" },
198 { VENDORID_MARVELL, DEVICEID_MRVL_8040,
199 "Marvell Yukon 88E8040 Fast Ethernet" },
200 { VENDORID_MARVELL, DEVICEID_MRVL_8040T,
201 "Marvell Yukon 88E8040T Fast Ethernet" },
202 { VENDORID_MARVELL, DEVICEID_MRVL_8042,
203 "Marvell Yukon 88E8042 Fast Ethernet" },
204 { VENDORID_MARVELL, DEVICEID_MRVL_8048,
205 "Marvell Yukon 88E8048 Fast Ethernet" },
206 { VENDORID_MARVELL, DEVICEID_MRVL_4361,
207 "Marvell Yukon 88E8050 Gigabit Ethernet" },
208 { VENDORID_MARVELL, DEVICEID_MRVL_4360,
209 "Marvell Yukon 88E8052 Gigabit Ethernet" },
210 { VENDORID_MARVELL, DEVICEID_MRVL_4362,
211 "Marvell Yukon 88E8053 Gigabit Ethernet" },
212 { VENDORID_MARVELL, DEVICEID_MRVL_4363,
213 "Marvell Yukon 88E8055 Gigabit Ethernet" },
214 { VENDORID_MARVELL, DEVICEID_MRVL_4364,
215 "Marvell Yukon 88E8056 Gigabit Ethernet" },
216 { VENDORID_MARVELL, DEVICEID_MRVL_4365,
217 "Marvell Yukon 88E8070 Gigabit Ethernet" },
218 { VENDORID_MARVELL, DEVICEID_MRVL_436A,
219 "Marvell Yukon 88E8058 Gigabit Ethernet" },
220 { VENDORID_MARVELL, DEVICEID_MRVL_436B,
221 "Marvell Yukon 88E8071 Gigabit Ethernet" },
222 { VENDORID_MARVELL, DEVICEID_MRVL_436C,
223 "Marvell Yukon 88E8072 Gigabit Ethernet" },
224 { VENDORID_MARVELL, DEVICEID_MRVL_436D,
225 "Marvell Yukon 88E8055 Gigabit Ethernet" },
226 { VENDORID_MARVELL, DEVICEID_MRVL_4370,
227 "Marvell Yukon 88E8075 Gigabit Ethernet" },
228 { VENDORID_MARVELL, DEVICEID_MRVL_4380,
229 "Marvell Yukon 88E8057 Gigabit Ethernet" },
230 { VENDORID_MARVELL, DEVICEID_MRVL_4381,
231 "Marvell Yukon 88E8059 Gigabit Ethernet" },
232 { VENDORID_DLINK, DEVICEID_DLINK_DGE550SX,
233 "D-Link 550SX Gigabit Ethernet" },
234 { VENDORID_DLINK, DEVICEID_DLINK_DGE560SX,
235 "D-Link 560SX Gigabit Ethernet" },
236 { VENDORID_DLINK, DEVICEID_DLINK_DGE560T,
237 "D-Link 560T Gigabit Ethernet" }
240 static const char *model_name[] = {
253 static int mskc_probe(device_t);
254 static int mskc_attach(device_t);
255 static int mskc_detach(device_t);
256 static int mskc_shutdown(device_t);
257 static int mskc_setup_rambuffer(struct msk_softc *);
258 static int mskc_suspend(device_t);
259 static int mskc_resume(device_t);
260 static void mskc_reset(struct msk_softc *);
262 static int msk_probe(device_t);
263 static int msk_attach(device_t);
264 static int msk_detach(device_t);
266 static void msk_tick(void *);
267 static void msk_intr(void *);
268 static void msk_intr_phy(struct msk_if_softc *);
269 static void msk_intr_gmac(struct msk_if_softc *);
270 static __inline void msk_rxput(struct msk_if_softc *);
271 static int msk_handle_events(struct msk_softc *);
272 static void msk_handle_hwerr(struct msk_if_softc *, uint32_t);
273 static void msk_intr_hwerr(struct msk_softc *);
274 #ifndef __NO_STRICT_ALIGNMENT
275 static __inline void msk_fixup_rx(struct mbuf *);
277 static __inline void msk_rxcsum(struct msk_if_softc *, uint32_t, struct mbuf *);
278 static void msk_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
279 static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
280 static void msk_txeof(struct msk_if_softc *, int);
281 static int msk_encap(struct msk_if_softc *, struct mbuf **);
282 static void msk_start(struct ifnet *);
283 static void msk_start_locked(struct ifnet *);
284 static int msk_ioctl(struct ifnet *, u_long, caddr_t);
285 static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t);
286 static void msk_set_rambuffer(struct msk_if_softc *);
287 static void msk_set_tx_stfwd(struct msk_if_softc *);
288 static void msk_init(void *);
289 static void msk_init_locked(struct msk_if_softc *);
290 static void msk_stop(struct msk_if_softc *);
291 static void msk_watchdog(struct msk_if_softc *);
292 static int msk_mediachange(struct ifnet *);
293 static void msk_mediastatus(struct ifnet *, struct ifmediareq *);
294 static void msk_phy_power(struct msk_softc *, int);
295 static void msk_dmamap_cb(void *, bus_dma_segment_t *, int, int);
296 static int msk_status_dma_alloc(struct msk_softc *);
297 static void msk_status_dma_free(struct msk_softc *);
298 static int msk_txrx_dma_alloc(struct msk_if_softc *);
299 static int msk_rx_dma_jalloc(struct msk_if_softc *);
300 static void msk_txrx_dma_free(struct msk_if_softc *);
301 static void msk_rx_dma_jfree(struct msk_if_softc *);
302 static int msk_rx_fill(struct msk_if_softc *, int);
303 static int msk_init_rx_ring(struct msk_if_softc *);
304 static int msk_init_jumbo_rx_ring(struct msk_if_softc *);
305 static void msk_init_tx_ring(struct msk_if_softc *);
306 static __inline void msk_discard_rxbuf(struct msk_if_softc *, int);
307 static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int);
308 static int msk_newbuf(struct msk_if_softc *, int);
309 static int msk_jumbo_newbuf(struct msk_if_softc *, int);
311 static int msk_phy_readreg(struct msk_if_softc *, int, int);
312 static int msk_phy_writereg(struct msk_if_softc *, int, int, int);
313 static int msk_miibus_readreg(device_t, int, int);
314 static int msk_miibus_writereg(device_t, int, int, int);
315 static void msk_miibus_statchg(device_t);
317 static void msk_rxfilter(struct msk_if_softc *);
318 static void msk_setvlan(struct msk_if_softc *, struct ifnet *);
320 static void msk_stats_clear(struct msk_if_softc *);
321 static void msk_stats_update(struct msk_if_softc *);
322 static int msk_sysctl_stat32(SYSCTL_HANDLER_ARGS);
323 static int msk_sysctl_stat64(SYSCTL_HANDLER_ARGS);
324 static void msk_sysctl_node(struct msk_if_softc *);
325 static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int);
326 static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS);
328 static device_method_t mskc_methods[] = {
329 /* Device interface */
330 DEVMETHOD(device_probe, mskc_probe),
331 DEVMETHOD(device_attach, mskc_attach),
332 DEVMETHOD(device_detach, mskc_detach),
333 DEVMETHOD(device_suspend, mskc_suspend),
334 DEVMETHOD(device_resume, mskc_resume),
335 DEVMETHOD(device_shutdown, mskc_shutdown),
340 static driver_t mskc_driver = {
343 sizeof(struct msk_softc)
346 static devclass_t mskc_devclass;
348 static device_method_t msk_methods[] = {
349 /* Device interface */
350 DEVMETHOD(device_probe, msk_probe),
351 DEVMETHOD(device_attach, msk_attach),
352 DEVMETHOD(device_detach, msk_detach),
353 DEVMETHOD(device_shutdown, bus_generic_shutdown),
356 DEVMETHOD(miibus_readreg, msk_miibus_readreg),
357 DEVMETHOD(miibus_writereg, msk_miibus_writereg),
358 DEVMETHOD(miibus_statchg, msk_miibus_statchg),
363 static driver_t msk_driver = {
366 sizeof(struct msk_if_softc)
369 static devclass_t msk_devclass;
371 DRIVER_MODULE(mskc, pci, mskc_driver, mskc_devclass, 0, 0);
372 DRIVER_MODULE(msk, mskc, msk_driver, msk_devclass, 0, 0);
373 DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, 0, 0);
375 static struct resource_spec msk_res_spec_io[] = {
376 { SYS_RES_IOPORT, PCIR_BAR(1), RF_ACTIVE },
380 static struct resource_spec msk_res_spec_mem[] = {
381 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE },
385 static struct resource_spec msk_irq_spec_legacy[] = {
386 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE },
390 static struct resource_spec msk_irq_spec_msi[] = {
391 { SYS_RES_IRQ, 1, RF_ACTIVE },
396 msk_miibus_readreg(device_t dev, int phy, int reg)
398 struct msk_if_softc *sc_if;
400 sc_if = device_get_softc(dev);
402 return (msk_phy_readreg(sc_if, phy, reg));
406 msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg)
408 struct msk_softc *sc;
411 sc = sc_if->msk_softc;
413 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
414 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD);
416 for (i = 0; i < MSK_TIMEOUT; i++) {
418 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL);
419 if ((val & GM_SMI_CT_RD_VAL) != 0) {
420 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_DATA);
425 if (i == MSK_TIMEOUT) {
426 if_printf(sc_if->msk_ifp, "phy failed to come ready\n");
434 msk_miibus_writereg(device_t dev, int phy, int reg, int val)
436 struct msk_if_softc *sc_if;
438 sc_if = device_get_softc(dev);
440 return (msk_phy_writereg(sc_if, phy, reg, val));
444 msk_phy_writereg(struct msk_if_softc *sc_if, int phy, int reg, int val)
446 struct msk_softc *sc;
449 sc = sc_if->msk_softc;
451 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_DATA, val);
452 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
453 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg));
454 for (i = 0; i < MSK_TIMEOUT; i++) {
456 if ((GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL) &
457 GM_SMI_CT_BUSY) == 0)
460 if (i == MSK_TIMEOUT)
461 if_printf(sc_if->msk_ifp, "phy write timeout\n");
467 msk_miibus_statchg(device_t dev)
469 struct msk_softc *sc;
470 struct msk_if_softc *sc_if;
471 struct mii_data *mii;
475 sc_if = device_get_softc(dev);
476 sc = sc_if->msk_softc;
478 MSK_IF_LOCK_ASSERT(sc_if);
480 mii = device_get_softc(sc_if->msk_miibus);
481 ifp = sc_if->msk_ifp;
482 if (mii == NULL || ifp == NULL ||
483 (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
486 sc_if->msk_flags &= ~MSK_FLAG_LINK;
487 if ((mii->mii_media_status & (IFM_AVALID | IFM_ACTIVE)) ==
488 (IFM_AVALID | IFM_ACTIVE)) {
489 switch (IFM_SUBTYPE(mii->mii_media_active)) {
492 sc_if->msk_flags |= MSK_FLAG_LINK;
498 if ((sc_if->msk_flags & MSK_FLAG_FASTETHER) == 0)
499 sc_if->msk_flags |= MSK_FLAG_LINK;
506 if ((sc_if->msk_flags & MSK_FLAG_LINK) != 0) {
507 /* Enable Tx FIFO Underrun. */
508 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK),
509 GM_IS_TX_FF_UR | GM_IS_RX_FF_OR);
511 * Because mii(4) notify msk(4) that it detected link status
512 * change, there is no need to enable automatic
513 * speed/flow-control/duplex updates.
515 gmac = GM_GPCR_AU_ALL_DIS;
516 switch (IFM_SUBTYPE(mii->mii_media_active)) {
519 gmac |= GM_GPCR_SPEED_1000;
522 gmac |= GM_GPCR_SPEED_100;
528 if ((IFM_OPTIONS(mii->mii_media_active) &
529 IFM_ETH_RXPAUSE) == 0)
530 gmac |= GM_GPCR_FC_RX_DIS;
531 if ((IFM_OPTIONS(mii->mii_media_active) &
532 IFM_ETH_TXPAUSE) == 0)
533 gmac |= GM_GPCR_FC_TX_DIS;
534 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0)
535 gmac |= GM_GPCR_DUP_FULL;
537 gmac |= GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS;
538 gmac |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA;
539 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
540 /* Read again to ensure writing. */
541 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
542 gmac = GMC_PAUSE_OFF;
543 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) {
544 if ((IFM_OPTIONS(mii->mii_media_active) &
545 IFM_ETH_RXPAUSE) != 0)
548 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), gmac);
550 /* Enable PHY interrupt for FIFO underrun/overflow. */
551 msk_phy_writereg(sc_if, PHY_ADDR_MARV,
552 PHY_MARV_INT_MASK, PHY_M_IS_FIFO_ERROR);
555 * Link state changed to down.
556 * Disable PHY interrupts.
558 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
559 /* Disable Rx/Tx MAC. */
560 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
561 if ((gmac & (GM_GPCR_RX_ENA | GM_GPCR_TX_ENA)) != 0) {
562 gmac &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
563 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
564 /* Read again to ensure writing. */
565 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
571 msk_rxfilter(struct msk_if_softc *sc_if)
573 struct msk_softc *sc;
575 struct ifmultiaddr *ifma;
580 sc = sc_if->msk_softc;
582 MSK_IF_LOCK_ASSERT(sc_if);
584 ifp = sc_if->msk_ifp;
586 bzero(mchash, sizeof(mchash));
587 mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL);
588 if ((ifp->if_flags & IFF_PROMISC) != 0)
589 mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
590 else if ((ifp->if_flags & IFF_ALLMULTI) != 0) {
591 mode |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA;
595 mode |= GM_RXCR_UCF_ENA;
597 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
598 if (ifma->ifma_addr->sa_family != AF_LINK)
600 crc = ether_crc32_be(LLADDR((struct sockaddr_dl *)
601 ifma->ifma_addr), ETHER_ADDR_LEN);
602 /* Just want the 6 least significant bits. */
604 /* Set the corresponding bit in the hash table. */
605 mchash[crc >> 5] |= 1 << (crc & 0x1f);
607 if_maddr_runlock(ifp);
608 if (mchash[0] != 0 || mchash[1] != 0)
609 mode |= GM_RXCR_MCF_ENA;
612 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H1,
614 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H2,
615 (mchash[0] >> 16) & 0xffff);
616 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H3,
618 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H4,
619 (mchash[1] >> 16) & 0xffff);
620 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode);
624 msk_setvlan(struct msk_if_softc *sc_if, struct ifnet *ifp)
626 struct msk_softc *sc;
628 sc = sc_if->msk_softc;
629 if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
630 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
632 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
635 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
637 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
643 msk_rx_fill(struct msk_if_softc *sc_if, int jumbo)
648 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
649 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
650 /* Wait until controller executes OP_TCPSTART command. */
651 for (i = 100; i > 0; i--) {
653 idx = CSR_READ_2(sc_if->msk_softc,
654 Y2_PREF_Q_ADDR(sc_if->msk_rxq,
655 PREF_UNIT_GET_IDX_REG));
660 device_printf(sc_if->msk_if_dev,
661 "prefetch unit stuck?\n");
665 * Fill consumed LE with free buffer. This can be done
666 * in Rx handler but we don't want to add special code
670 if (msk_jumbo_newbuf(sc_if, 0) != 0)
672 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
673 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
674 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
676 if (msk_newbuf(sc_if, 0) != 0)
678 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag,
679 sc_if->msk_cdata.msk_rx_ring_map,
680 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
682 sc_if->msk_cdata.msk_rx_prod = 0;
683 CSR_WRITE_2(sc_if->msk_softc,
684 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
685 sc_if->msk_cdata.msk_rx_prod);
691 msk_init_rx_ring(struct msk_if_softc *sc_if)
693 struct msk_ring_data *rd;
694 struct msk_rxdesc *rxd;
697 MSK_IF_LOCK_ASSERT(sc_if);
699 sc_if->msk_cdata.msk_rx_cons = 0;
700 sc_if->msk_cdata.msk_rx_prod = 0;
701 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
703 rd = &sc_if->msk_rdata;
704 bzero(rd->msk_rx_ring, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT);
705 for (i = prod = 0; i < MSK_RX_RING_CNT; i++) {
706 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
708 rxd->rx_le = &rd->msk_rx_ring[prod];
709 MSK_INC(prod, MSK_RX_RING_CNT);
711 nbuf = MSK_RX_BUF_CNT;
713 /* Have controller know how to compute Rx checksum. */
714 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
715 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
717 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
719 rxd->rx_le = &rd->msk_rx_ring[prod];
720 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
722 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
723 MSK_INC(prod, MSK_RX_RING_CNT);
724 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
726 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
728 rxd->rx_le = &rd->msk_rx_ring[prod];
729 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
731 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
732 MSK_INC(prod, MSK_RX_RING_CNT);
733 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
736 for (i = 0; i < nbuf; i++) {
737 if (msk_newbuf(sc_if, prod) != 0)
739 MSK_RX_INC(prod, MSK_RX_RING_CNT);
742 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag,
743 sc_if->msk_cdata.msk_rx_ring_map,
744 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
746 /* Update prefetch unit. */
747 sc_if->msk_cdata.msk_rx_prod = prod;
748 CSR_WRITE_2(sc_if->msk_softc,
749 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
750 (sc_if->msk_cdata.msk_rx_prod + MSK_RX_RING_CNT - 1) %
752 if (msk_rx_fill(sc_if, 0) != 0)
758 msk_init_jumbo_rx_ring(struct msk_if_softc *sc_if)
760 struct msk_ring_data *rd;
761 struct msk_rxdesc *rxd;
764 MSK_IF_LOCK_ASSERT(sc_if);
766 sc_if->msk_cdata.msk_rx_cons = 0;
767 sc_if->msk_cdata.msk_rx_prod = 0;
768 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
770 rd = &sc_if->msk_rdata;
771 bzero(rd->msk_jumbo_rx_ring,
772 sizeof(struct msk_rx_desc) * MSK_JUMBO_RX_RING_CNT);
773 for (i = prod = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
774 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
776 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
777 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
779 nbuf = MSK_RX_BUF_CNT;
781 /* Have controller know how to compute Rx checksum. */
782 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
783 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
785 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
787 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
788 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
790 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
791 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
792 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
794 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
796 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
797 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
799 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
800 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
801 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
804 for (i = 0; i < nbuf; i++) {
805 if (msk_jumbo_newbuf(sc_if, prod) != 0)
807 MSK_RX_INC(prod, MSK_JUMBO_RX_RING_CNT);
810 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
811 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
812 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
814 /* Update prefetch unit. */
815 sc_if->msk_cdata.msk_rx_prod = prod;
816 CSR_WRITE_2(sc_if->msk_softc,
817 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
818 (sc_if->msk_cdata.msk_rx_prod + MSK_JUMBO_RX_RING_CNT - 1) %
819 MSK_JUMBO_RX_RING_CNT);
820 if (msk_rx_fill(sc_if, 1) != 0)
826 msk_init_tx_ring(struct msk_if_softc *sc_if)
828 struct msk_ring_data *rd;
829 struct msk_txdesc *txd;
832 sc_if->msk_cdata.msk_tso_mtu = 0;
833 sc_if->msk_cdata.msk_last_csum = 0;
834 sc_if->msk_cdata.msk_tx_prod = 0;
835 sc_if->msk_cdata.msk_tx_cons = 0;
836 sc_if->msk_cdata.msk_tx_cnt = 0;
837 sc_if->msk_cdata.msk_tx_high_addr = 0;
839 rd = &sc_if->msk_rdata;
840 bzero(rd->msk_tx_ring, sizeof(struct msk_tx_desc) * MSK_TX_RING_CNT);
841 for (i = 0; i < MSK_TX_RING_CNT; i++) {
842 txd = &sc_if->msk_cdata.msk_txdesc[i];
844 txd->tx_le = &rd->msk_tx_ring[i];
847 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
848 sc_if->msk_cdata.msk_tx_ring_map,
849 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
853 msk_discard_rxbuf(struct msk_if_softc *sc_if, int idx)
855 struct msk_rx_desc *rx_le;
856 struct msk_rxdesc *rxd;
860 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
862 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
863 MSK_INC(idx, MSK_RX_RING_CNT);
865 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
868 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
872 msk_discard_jumbo_rxbuf(struct msk_if_softc *sc_if, int idx)
874 struct msk_rx_desc *rx_le;
875 struct msk_rxdesc *rxd;
879 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
881 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
882 MSK_INC(idx, MSK_JUMBO_RX_RING_CNT);
884 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
887 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
891 msk_newbuf(struct msk_if_softc *sc_if, int idx)
893 struct msk_rx_desc *rx_le;
894 struct msk_rxdesc *rxd;
896 bus_dma_segment_t segs[1];
900 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
904 m->m_len = m->m_pkthdr.len = MCLBYTES;
905 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
906 m_adj(m, ETHER_ALIGN);
907 #ifndef __NO_STRICT_ALIGNMENT
909 m_adj(m, MSK_RX_BUF_ALIGN);
912 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_rx_tag,
913 sc_if->msk_cdata.msk_rx_sparemap, m, segs, &nsegs,
914 BUS_DMA_NOWAIT) != 0) {
918 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
920 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
923 rx_le->msk_addr = htole32(MSK_ADDR_HI(segs[0].ds_addr));
924 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
925 MSK_INC(idx, MSK_RX_RING_CNT);
926 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
928 if (rxd->rx_m != NULL) {
929 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
930 BUS_DMASYNC_POSTREAD);
931 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap);
934 map = rxd->rx_dmamap;
935 rxd->rx_dmamap = sc_if->msk_cdata.msk_rx_sparemap;
936 sc_if->msk_cdata.msk_rx_sparemap = map;
937 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
938 BUS_DMASYNC_PREREAD);
941 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
943 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
949 msk_jumbo_newbuf(struct msk_if_softc *sc_if, int idx)
951 struct msk_rx_desc *rx_le;
952 struct msk_rxdesc *rxd;
954 bus_dma_segment_t segs[1];
958 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES);
961 if ((m->m_flags & M_EXT) == 0) {
965 m->m_len = m->m_pkthdr.len = MJUM9BYTES;
966 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
967 m_adj(m, ETHER_ALIGN);
968 #ifndef __NO_STRICT_ALIGNMENT
970 m_adj(m, MSK_RX_BUF_ALIGN);
973 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_jumbo_rx_tag,
974 sc_if->msk_cdata.msk_jumbo_rx_sparemap, m, segs, &nsegs,
975 BUS_DMA_NOWAIT) != 0) {
979 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
981 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
984 rx_le->msk_addr = htole32(MSK_ADDR_HI(segs[0].ds_addr));
985 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
986 MSK_INC(idx, MSK_JUMBO_RX_RING_CNT);
987 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
989 if (rxd->rx_m != NULL) {
990 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
991 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
992 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
996 map = rxd->rx_dmamap;
997 rxd->rx_dmamap = sc_if->msk_cdata.msk_jumbo_rx_sparemap;
998 sc_if->msk_cdata.msk_jumbo_rx_sparemap = map;
999 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap,
1000 BUS_DMASYNC_PREREAD);
1003 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
1004 rx_le->msk_control =
1005 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
1011 * Set media options.
1014 msk_mediachange(struct ifnet *ifp)
1016 struct msk_if_softc *sc_if;
1017 struct mii_data *mii;
1020 sc_if = ifp->if_softc;
1023 mii = device_get_softc(sc_if->msk_miibus);
1024 error = mii_mediachg(mii);
1025 MSK_IF_UNLOCK(sc_if);
1031 * Report current media status.
1034 msk_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr)
1036 struct msk_if_softc *sc_if;
1037 struct mii_data *mii;
1039 sc_if = ifp->if_softc;
1041 if ((ifp->if_flags & IFF_UP) == 0) {
1042 MSK_IF_UNLOCK(sc_if);
1045 mii = device_get_softc(sc_if->msk_miibus);
1048 ifmr->ifm_active = mii->mii_media_active;
1049 ifmr->ifm_status = mii->mii_media_status;
1050 MSK_IF_UNLOCK(sc_if);
1054 msk_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
1056 struct msk_if_softc *sc_if;
1058 struct mii_data *mii;
1059 int error, mask, reinit;
1061 sc_if = ifp->if_softc;
1062 ifr = (struct ifreq *)data;
1068 if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN)
1070 else if (ifp->if_mtu != ifr->ifr_mtu) {
1071 if (ifr->ifr_mtu > ETHERMTU) {
1072 if ((sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
1074 MSK_IF_UNLOCK(sc_if);
1077 if ((sc_if->msk_flags &
1078 MSK_FLAG_JUMBO_NOCSUM) != 0) {
1080 ~(MSK_CSUM_FEATURES | CSUM_TSO);
1081 ifp->if_capenable &=
1082 ~(IFCAP_TSO4 | IFCAP_TXCSUM);
1083 VLAN_CAPABILITIES(ifp);
1086 ifp->if_mtu = ifr->ifr_mtu;
1087 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
1088 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1089 msk_init_locked(sc_if);
1092 MSK_IF_UNLOCK(sc_if);
1096 if ((ifp->if_flags & IFF_UP) != 0) {
1097 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
1098 ((ifp->if_flags ^ sc_if->msk_if_flags) &
1099 (IFF_PROMISC | IFF_ALLMULTI)) != 0)
1100 msk_rxfilter(sc_if);
1101 else if ((sc_if->msk_flags & MSK_FLAG_DETACH) == 0)
1102 msk_init_locked(sc_if);
1103 } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
1105 sc_if->msk_if_flags = ifp->if_flags;
1106 MSK_IF_UNLOCK(sc_if);
1111 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
1112 msk_rxfilter(sc_if);
1113 MSK_IF_UNLOCK(sc_if);
1117 mii = device_get_softc(sc_if->msk_miibus);
1118 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
1123 mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1124 if ((mask & IFCAP_TXCSUM) != 0 &&
1125 (IFCAP_TXCSUM & ifp->if_capabilities) != 0) {
1126 ifp->if_capenable ^= IFCAP_TXCSUM;
1127 if ((IFCAP_TXCSUM & ifp->if_capenable) != 0)
1128 ifp->if_hwassist |= MSK_CSUM_FEATURES;
1130 ifp->if_hwassist &= ~MSK_CSUM_FEATURES;
1132 if ((mask & IFCAP_RXCSUM) != 0 &&
1133 (IFCAP_RXCSUM & ifp->if_capabilities) != 0) {
1134 ifp->if_capenable ^= IFCAP_RXCSUM;
1135 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0)
1138 if ((mask & IFCAP_VLAN_HWCSUM) != 0 &&
1139 (IFCAP_VLAN_HWCSUM & ifp->if_capabilities) != 0)
1140 ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
1141 if ((mask & IFCAP_TSO4) != 0 &&
1142 (IFCAP_TSO4 & ifp->if_capabilities) != 0) {
1143 ifp->if_capenable ^= IFCAP_TSO4;
1144 if ((IFCAP_TSO4 & ifp->if_capenable) != 0)
1145 ifp->if_hwassist |= CSUM_TSO;
1147 ifp->if_hwassist &= ~CSUM_TSO;
1149 if ((mask & IFCAP_VLAN_HWTSO) != 0 &&
1150 (IFCAP_VLAN_HWTSO & ifp->if_capabilities) != 0)
1151 ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1152 if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
1153 (IFCAP_VLAN_HWTAGGING & ifp->if_capabilities) != 0) {
1154 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1155 if ((IFCAP_VLAN_HWTAGGING & ifp->if_capenable) == 0)
1156 ifp->if_capenable &=
1157 ~(IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM);
1158 msk_setvlan(sc_if, ifp);
1160 if (ifp->if_mtu > ETHERMTU &&
1161 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
1162 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
1163 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
1165 VLAN_CAPABILITIES(ifp);
1166 if (reinit > 0 && (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
1167 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1168 msk_init_locked(sc_if);
1170 MSK_IF_UNLOCK(sc_if);
1173 error = ether_ioctl(ifp, command, data);
1181 mskc_probe(device_t dev)
1183 struct msk_product *mp;
1184 uint16_t vendor, devid;
1187 vendor = pci_get_vendor(dev);
1188 devid = pci_get_device(dev);
1190 for (i = 0; i < sizeof(msk_products)/sizeof(msk_products[0]);
1192 if (vendor == mp->msk_vendorid && devid == mp->msk_deviceid) {
1193 device_set_desc(dev, mp->msk_name);
1194 return (BUS_PROBE_DEFAULT);
1202 mskc_setup_rambuffer(struct msk_softc *sc)
1207 /* Get adapter SRAM size. */
1208 sc->msk_ramsize = CSR_READ_1(sc, B2_E_0) * 4;
1210 device_printf(sc->msk_dev,
1211 "RAM buffer size : %dKB\n", sc->msk_ramsize);
1212 if (sc->msk_ramsize == 0)
1215 sc->msk_pflags |= MSK_FLAG_RAMBUF;
1217 * Give receiver 2/3 of memory and round down to the multiple
1218 * of 1024. Tx/Rx RAM buffer size of Yukon II should be multiple
1221 sc->msk_rxqsize = rounddown((sc->msk_ramsize * 1024 * 2) / 3, 1024);
1222 sc->msk_txqsize = (sc->msk_ramsize * 1024) - sc->msk_rxqsize;
1223 for (i = 0, next = 0; i < sc->msk_num_port; i++) {
1224 sc->msk_rxqstart[i] = next;
1225 sc->msk_rxqend[i] = next + sc->msk_rxqsize - 1;
1226 next = sc->msk_rxqend[i] + 1;
1227 sc->msk_txqstart[i] = next;
1228 sc->msk_txqend[i] = next + sc->msk_txqsize - 1;
1229 next = sc->msk_txqend[i] + 1;
1231 device_printf(sc->msk_dev,
1232 "Port %d : Rx Queue %dKB(0x%08x:0x%08x)\n", i,
1233 sc->msk_rxqsize / 1024, sc->msk_rxqstart[i],
1235 device_printf(sc->msk_dev,
1236 "Port %d : Tx Queue %dKB(0x%08x:0x%08x)\n", i,
1237 sc->msk_txqsize / 1024, sc->msk_txqstart[i],
1246 msk_phy_power(struct msk_softc *sc, int mode)
1252 case MSK_PHY_POWERUP:
1253 /* Switch power to VCC (WA for VAUX problem). */
1254 CSR_WRITE_1(sc, B0_POWER_CTRL,
1255 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON);
1256 /* Disable Core Clock Division, set Clock Select to 0. */
1257 CSR_WRITE_4(sc, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS);
1260 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1261 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1262 /* Enable bits are inverted. */
1263 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1264 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1265 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1268 * Enable PCI & Core Clock, enable clock gating for both Links.
1270 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1272 our = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1273 our &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD);
1274 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
1275 if (sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1276 /* Deassert Low Power for 1st PHY. */
1277 our |= PCI_Y2_PHY1_COMA;
1278 if (sc->msk_num_port > 1)
1279 our |= PCI_Y2_PHY2_COMA;
1282 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U ||
1283 sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1284 sc->msk_hw_id >= CHIP_ID_YUKON_FE_P) {
1285 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_4);
1286 val &= (PCI_FORCE_ASPM_REQUEST |
1287 PCI_ASPM_GPHY_LINK_DOWN | PCI_ASPM_INT_FIFO_EMPTY |
1288 PCI_ASPM_CLKRUN_REQUEST);
1289 /* Set all bits to 0 except bits 15..12. */
1290 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_4, val);
1291 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_5);
1292 val &= PCI_CTL_TIM_VMAIN_AV_MSK;
1293 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_5, val);
1294 CSR_PCI_WRITE_4(sc, PCI_CFG_REG_1, 0);
1295 CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_ON);
1297 * Disable status race, workaround for
1298 * Yukon EC Ultra & Yukon EX.
1300 val = CSR_READ_4(sc, B2_GP_IO);
1301 val |= GLB_GPIO_STAT_RACE_DIS;
1302 CSR_WRITE_4(sc, B2_GP_IO, val);
1303 CSR_READ_4(sc, B2_GP_IO);
1305 /* Release PHY from PowerDown/COMA mode. */
1306 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, our);
1308 for (i = 0; i < sc->msk_num_port; i++) {
1309 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1311 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1315 case MSK_PHY_POWERDOWN:
1316 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1317 val |= PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD;
1318 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1319 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1320 val &= ~PCI_Y2_PHY1_COMA;
1321 if (sc->msk_num_port > 1)
1322 val &= ~PCI_Y2_PHY2_COMA;
1324 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, val);
1326 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1327 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1328 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1329 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1330 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1331 /* Enable bits are inverted. */
1335 * Disable PCI & Core Clock, disable clock gating for
1338 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1339 CSR_WRITE_1(sc, B0_POWER_CTRL,
1340 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
1348 mskc_reset(struct msk_softc *sc)
1356 if (sc->msk_hw_id >= CHIP_ID_YUKON_XL &&
1357 sc->msk_hw_id <= CHIP_ID_YUKON_SUPR) {
1358 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1359 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
1360 CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
1361 status = CSR_READ_2(sc, B28_Y2_ASF_HCU_CCSR);
1362 /* Clear AHB bridge & microcontroller reset. */
1363 status &= ~(Y2_ASF_HCU_CCSR_AHB_RST |
1364 Y2_ASF_HCU_CCSR_CPU_RST_MODE);
1365 /* Clear ASF microcontroller state. */
1366 status &= ~Y2_ASF_HCU_CCSR_UC_STATE_MSK;
1367 status &= ~Y2_ASF_HCU_CCSR_CPU_CLK_DIVIDE_MSK;
1368 CSR_WRITE_2(sc, B28_Y2_ASF_HCU_CCSR, status);
1369 CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
1371 CSR_WRITE_1(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
1372 CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE);
1374 * Since we disabled ASF, S/W reset is required for
1377 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
1378 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1381 /* Clear all error bits in the PCI status register. */
1382 status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
1383 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1385 pci_write_config(sc->msk_dev, PCIR_STATUS, status |
1386 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
1387 PCIM_STATUS_RTABORT | PCIM_STATUS_MDPERR, 2);
1388 CSR_WRITE_2(sc, B0_CTST, CS_MRST_CLR);
1390 switch (sc->msk_bustype) {
1392 /* Clear all PEX errors. */
1393 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
1394 val = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
1395 if ((val & PEX_RX_OV) != 0) {
1396 sc->msk_intrmask &= ~Y2_IS_HW_ERR;
1397 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
1402 /* Set Cache Line Size to 2(8bytes) if configured to 0. */
1403 val = pci_read_config(sc->msk_dev, PCIR_CACHELNSZ, 1);
1405 pci_write_config(sc->msk_dev, PCIR_CACHELNSZ, 2, 1);
1406 if (sc->msk_bustype == MSK_PCIX_BUS) {
1407 /* Set Cache Line Size opt. */
1408 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4);
1410 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4);
1414 /* Set PHY power state. */
1415 msk_phy_power(sc, MSK_PHY_POWERUP);
1417 /* Reset GPHY/GMAC Control */
1418 for (i = 0; i < sc->msk_num_port; i++) {
1419 /* GPHY Control reset. */
1420 CSR_WRITE_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET);
1421 CSR_WRITE_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_CLR);
1422 /* GMAC Control reset. */
1423 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_SET);
1424 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_CLR);
1425 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_F_LOOPB_OFF);
1426 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1427 sc->msk_hw_id == CHIP_ID_YUKON_SUPR)
1428 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL),
1429 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
1433 if (sc->msk_hw_id == CHIP_ID_YUKON_SUPR &&
1434 sc->msk_hw_rev > CHIP_REV_YU_SU_B0)
1435 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, PCI_CLK_MACSEC_DIS);
1436 if (sc->msk_hw_id == CHIP_ID_YUKON_OPT && sc->msk_hw_rev == 0) {
1437 /* Disable PCIe PHY powerdown(reg 0x80, bit7). */
1438 CSR_WRITE_4(sc, Y2_PEX_PHY_DATA, (0x0080 << 16) | 0x0080);
1440 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1443 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_ON);
1445 /* Clear TWSI IRQ. */
1446 CSR_WRITE_4(sc, B2_I2C_IRQ, I2C_CLR_IRQ);
1448 /* Turn off hardware timer. */
1449 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_STOP);
1450 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_CLR_IRQ);
1452 /* Turn off descriptor polling. */
1453 CSR_WRITE_1(sc, B28_DPT_CTRL, DPT_STOP);
1455 /* Turn off time stamps. */
1456 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_STOP);
1457 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
1460 if (sc->msk_hw_id == CHIP_ID_YUKON_XL ||
1461 sc->msk_hw_id == CHIP_ID_YUKON_EC ||
1462 sc->msk_hw_id == CHIP_ID_YUKON_FE)
1465 /* Configure timeout values. */
1466 for (i = 0; initram > 0 && i < sc->msk_num_port; i++) {
1467 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_SET);
1468 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR);
1469 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R1),
1471 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA1),
1473 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS1),
1475 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R1),
1477 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA1),
1479 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS1),
1481 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R2),
1483 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA2),
1485 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS2),
1487 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R2),
1489 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA2),
1491 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS2),
1495 /* Disable all interrupts. */
1496 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
1497 CSR_READ_4(sc, B0_HWE_IMSK);
1498 CSR_WRITE_4(sc, B0_IMSK, 0);
1499 CSR_READ_4(sc, B0_IMSK);
1502 * On dual port PCI-X card, there is an problem where status
1503 * can be received out of order due to split transactions.
1505 if (sc->msk_pcixcap != 0 && sc->msk_num_port > 1) {
1508 pcix_cmd = pci_read_config(sc->msk_dev,
1509 sc->msk_pcixcap + PCIXR_COMMAND, 2);
1510 /* Clear Max Outstanding Split Transactions. */
1511 pcix_cmd &= ~PCIXM_COMMAND_MAX_SPLITS;
1512 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1513 pci_write_config(sc->msk_dev,
1514 sc->msk_pcixcap + PCIXR_COMMAND, pcix_cmd, 2);
1515 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1517 if (sc->msk_expcap != 0) {
1518 /* Change Max. Read Request Size to 2048 bytes. */
1519 if (pci_get_max_read_req(sc->msk_dev) == 512)
1520 pci_set_max_read_req(sc->msk_dev, 2048);
1523 /* Clear status list. */
1524 bzero(sc->msk_stat_ring,
1525 sizeof(struct msk_stat_desc) * sc->msk_stat_count);
1526 sc->msk_stat_cons = 0;
1527 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
1528 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1529 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_SET);
1530 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_CLR);
1531 /* Set the status list base address. */
1532 addr = sc->msk_stat_ring_paddr;
1533 CSR_WRITE_4(sc, STAT_LIST_ADDR_LO, MSK_ADDR_LO(addr));
1534 CSR_WRITE_4(sc, STAT_LIST_ADDR_HI, MSK_ADDR_HI(addr));
1535 /* Set the status list last index. */
1536 CSR_WRITE_2(sc, STAT_LAST_IDX, sc->msk_stat_count - 1);
1537 if (sc->msk_hw_id == CHIP_ID_YUKON_EC &&
1538 sc->msk_hw_rev == CHIP_REV_YU_EC_A1) {
1539 /* WA for dev. #4.3 */
1540 CSR_WRITE_2(sc, STAT_TX_IDX_TH, ST_TXTH_IDX_MASK);
1541 /* WA for dev. #4.18 */
1542 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x21);
1543 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x07);
1545 CSR_WRITE_2(sc, STAT_TX_IDX_TH, 0x0a);
1546 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x10);
1547 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1548 sc->msk_hw_rev == CHIP_REV_YU_XL_A0)
1549 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x04);
1551 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x10);
1552 CSR_WRITE_4(sc, STAT_ISR_TIMER_INI, 0x0190);
1555 * Use default value for STAT_ISR_TIMER_INI, STAT_LEV_TIMER_INI.
1557 CSR_WRITE_4(sc, STAT_TX_TIMER_INI, MSK_USECS(sc, 1000));
1559 /* Enable status unit. */
1560 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_OP_ON);
1562 CSR_WRITE_1(sc, STAT_TX_TIMER_CTRL, TIM_START);
1563 CSR_WRITE_1(sc, STAT_LEV_TIMER_CTRL, TIM_START);
1564 CSR_WRITE_1(sc, STAT_ISR_TIMER_CTRL, TIM_START);
1568 msk_probe(device_t dev)
1570 struct msk_softc *sc;
1573 sc = device_get_softc(device_get_parent(dev));
1575 * Not much to do here. We always know there will be
1576 * at least one GMAC present, and if there are two,
1577 * mskc_attach() will create a second device instance
1580 snprintf(desc, sizeof(desc),
1581 "Marvell Technology Group Ltd. %s Id 0x%02x Rev 0x%02x",
1582 model_name[sc->msk_hw_id - CHIP_ID_YUKON_XL], sc->msk_hw_id,
1584 device_set_desc_copy(dev, desc);
1586 return (BUS_PROBE_DEFAULT);
1590 msk_attach(device_t dev)
1592 struct msk_softc *sc;
1593 struct msk_if_softc *sc_if;
1595 struct msk_mii_data *mmd;
1603 sc_if = device_get_softc(dev);
1604 sc = device_get_softc(device_get_parent(dev));
1605 mmd = device_get_ivars(dev);
1608 sc_if->msk_if_dev = dev;
1609 sc_if->msk_port = port;
1610 sc_if->msk_softc = sc;
1611 sc_if->msk_flags = sc->msk_pflags;
1612 sc->msk_if[port] = sc_if;
1613 /* Setup Tx/Rx queue register offsets. */
1614 if (port == MSK_PORT_A) {
1615 sc_if->msk_txq = Q_XA1;
1616 sc_if->msk_txsq = Q_XS1;
1617 sc_if->msk_rxq = Q_R1;
1619 sc_if->msk_txq = Q_XA2;
1620 sc_if->msk_txsq = Q_XS2;
1621 sc_if->msk_rxq = Q_R2;
1624 callout_init_mtx(&sc_if->msk_tick_ch, &sc_if->msk_softc->msk_mtx, 0);
1625 msk_sysctl_node(sc_if);
1627 if ((error = msk_txrx_dma_alloc(sc_if) != 0))
1629 msk_rx_dma_jalloc(sc_if);
1631 ifp = sc_if->msk_ifp = if_alloc(IFT_ETHER);
1633 device_printf(sc_if->msk_if_dev, "can not if_alloc()\n");
1637 ifp->if_softc = sc_if;
1638 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
1639 ifp->if_mtu = ETHERMTU;
1640 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1641 ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_TSO4;
1643 * Enable Rx checksum offloading if controller supports
1644 * new descriptor formant and controller is not Yukon XL.
1646 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
1647 sc->msk_hw_id != CHIP_ID_YUKON_XL)
1648 ifp->if_capabilities |= IFCAP_RXCSUM;
1649 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
1650 (sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
1651 ifp->if_capabilities |= IFCAP_RXCSUM;
1652 ifp->if_hwassist = MSK_CSUM_FEATURES | CSUM_TSO;
1653 ifp->if_capenable = ifp->if_capabilities;
1654 ifp->if_ioctl = msk_ioctl;
1655 ifp->if_start = msk_start;
1656 ifp->if_init = msk_init;
1657 IFQ_SET_MAXLEN(&ifp->if_snd, MSK_TX_RING_CNT - 1);
1658 ifp->if_snd.ifq_drv_maxlen = MSK_TX_RING_CNT - 1;
1659 IFQ_SET_READY(&ifp->if_snd);
1661 * Get station address for this interface. Note that
1662 * dual port cards actually come with three station
1663 * addresses: one for each port, plus an extra. The
1664 * extra one is used by the SysKonnect driver software
1665 * as a 'virtual' station address for when both ports
1666 * are operating in failover mode. Currently we don't
1667 * use this extra address.
1670 for (i = 0; i < ETHER_ADDR_LEN; i++)
1671 eaddr[i] = CSR_READ_1(sc, B2_MAC_1 + (port * 8) + i);
1674 * Call MI attach routine. Can't hold locks when calling into ether_*.
1676 MSK_IF_UNLOCK(sc_if);
1677 ether_ifattach(ifp, eaddr);
1680 /* VLAN capability setup */
1681 ifp->if_capabilities |= IFCAP_VLAN_MTU;
1682 if ((sc_if->msk_flags & MSK_FLAG_NOHWVLAN) == 0) {
1684 * Due to Tx checksum offload hardware bugs, msk(4) manually
1685 * computes checksum for short frames. For VLAN tagged frames
1686 * this workaround does not work so disable checksum offload
1687 * for VLAN interface.
1689 ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO;
1691 * Enable Rx checksum offloading for VLAN tagged frames
1692 * if controller support new descriptor format.
1694 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
1695 (sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
1696 ifp->if_capabilities |= IFCAP_VLAN_HWCSUM;
1698 ifp->if_capenable = ifp->if_capabilities;
1701 * Tell the upper layer(s) we support long frames.
1702 * Must appear after the call to ether_ifattach() because
1703 * ether_ifattach() sets ifi_hdrlen to the default value.
1705 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
1710 MSK_IF_UNLOCK(sc_if);
1711 error = mii_attach(dev, &sc_if->msk_miibus, ifp, msk_mediachange,
1712 msk_mediastatus, BMSR_DEFCAPMASK, PHY_ADDR_MARV, MII_OFFSET_ANY,
1715 device_printf(sc_if->msk_if_dev, "attaching PHYs failed\n");
1716 ether_ifdetach(ifp);
1723 /* Access should be ok even though lock has been dropped */
1724 sc->msk_if[port] = NULL;
1732 * Attach the interface. Allocate softc structures, do ifmedia
1733 * setup and ethernet/BPF attach.
1736 mskc_attach(device_t dev)
1738 struct msk_softc *sc;
1739 struct msk_mii_data *mmd;
1740 int error, msic, msir, reg;
1742 sc = device_get_softc(dev);
1744 mtx_init(&sc->msk_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
1748 * Map control/status registers.
1750 pci_enable_busmaster(dev);
1752 /* Allocate I/O resource */
1753 #ifdef MSK_USEIOSPACE
1754 sc->msk_res_spec = msk_res_spec_io;
1756 sc->msk_res_spec = msk_res_spec_mem;
1758 sc->msk_irq_spec = msk_irq_spec_legacy;
1759 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res);
1761 if (sc->msk_res_spec == msk_res_spec_mem)
1762 sc->msk_res_spec = msk_res_spec_io;
1764 sc->msk_res_spec = msk_res_spec_mem;
1765 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res);
1767 device_printf(dev, "couldn't allocate %s resources\n",
1768 sc->msk_res_spec == msk_res_spec_mem ? "memory" :
1770 mtx_destroy(&sc->msk_mtx);
1775 /* Enable all clocks before accessing any registers. */
1776 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
1778 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1779 sc->msk_hw_id = CSR_READ_1(sc, B2_CHIP_ID);
1780 sc->msk_hw_rev = (CSR_READ_1(sc, B2_MAC_CFG) >> 4) & 0x0f;
1781 /* Bail out if chip is not recognized. */
1782 if (sc->msk_hw_id < CHIP_ID_YUKON_XL ||
1783 sc->msk_hw_id > CHIP_ID_YUKON_OPT ||
1784 sc->msk_hw_id == CHIP_ID_YUKON_UNKNOWN) {
1785 device_printf(dev, "unknown device: id=0x%02x, rev=0x%02x\n",
1786 sc->msk_hw_id, sc->msk_hw_rev);
1787 mtx_destroy(&sc->msk_mtx);
1791 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1792 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1793 OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW,
1794 &sc->msk_process_limit, 0, sysctl_hw_msk_proc_limit, "I",
1795 "max number of Rx events to process");
1797 sc->msk_process_limit = MSK_PROC_DEFAULT;
1798 error = resource_int_value(device_get_name(dev), device_get_unit(dev),
1799 "process_limit", &sc->msk_process_limit);
1801 if (sc->msk_process_limit < MSK_PROC_MIN ||
1802 sc->msk_process_limit > MSK_PROC_MAX) {
1803 device_printf(dev, "process_limit value out of range; "
1804 "using default: %d\n", MSK_PROC_DEFAULT);
1805 sc->msk_process_limit = MSK_PROC_DEFAULT;
1809 sc->msk_int_holdoff = MSK_INT_HOLDOFF_DEFAULT;
1810 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
1811 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
1812 "int_holdoff", CTLFLAG_RW, &sc->msk_int_holdoff, 0,
1813 "Maximum number of time to delay interrupts");
1814 resource_int_value(device_get_name(dev), device_get_unit(dev),
1815 "int_holdoff", &sc->msk_int_holdoff);
1817 sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP);
1818 /* Check number of MACs. */
1819 sc->msk_num_port = 1;
1820 if ((CSR_READ_1(sc, B2_Y2_HW_RES) & CFG_DUAL_MAC_MSK) ==
1822 if (!(CSR_READ_1(sc, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC))
1826 /* Check bus type. */
1827 if (pci_find_cap(sc->msk_dev, PCIY_EXPRESS, ®) == 0) {
1828 sc->msk_bustype = MSK_PEX_BUS;
1829 sc->msk_expcap = reg;
1830 } else if (pci_find_cap(sc->msk_dev, PCIY_PCIX, ®) == 0) {
1831 sc->msk_bustype = MSK_PCIX_BUS;
1832 sc->msk_pcixcap = reg;
1834 sc->msk_bustype = MSK_PCI_BUS;
1836 switch (sc->msk_hw_id) {
1837 case CHIP_ID_YUKON_EC:
1838 sc->msk_clock = 125; /* 125 MHz */
1839 sc->msk_pflags |= MSK_FLAG_JUMBO;
1841 case CHIP_ID_YUKON_EC_U:
1842 sc->msk_clock = 125; /* 125 MHz */
1843 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_JUMBO_NOCSUM;
1845 case CHIP_ID_YUKON_EX:
1846 sc->msk_clock = 125; /* 125 MHz */
1847 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
1848 MSK_FLAG_AUTOTX_CSUM;
1850 * Yukon Extreme seems to have silicon bug for
1851 * automatic Tx checksum calculation capability.
1853 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
1854 sc->msk_pflags &= ~MSK_FLAG_AUTOTX_CSUM;
1856 * Yukon Extreme A0 could not use store-and-forward
1857 * for jumbo frames, so disable Tx checksum
1858 * offloading for jumbo frames.
1860 if (sc->msk_hw_rev == CHIP_REV_YU_EX_A0)
1861 sc->msk_pflags |= MSK_FLAG_JUMBO_NOCSUM;
1863 case CHIP_ID_YUKON_FE:
1864 sc->msk_clock = 100; /* 100 MHz */
1865 sc->msk_pflags |= MSK_FLAG_FASTETHER;
1867 case CHIP_ID_YUKON_FE_P:
1868 sc->msk_clock = 50; /* 50 MHz */
1869 sc->msk_pflags |= MSK_FLAG_FASTETHER | MSK_FLAG_DESCV2 |
1870 MSK_FLAG_AUTOTX_CSUM;
1871 if (sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
1874 * FE+ A0 has status LE writeback bug so msk(4)
1875 * does not rely on status word of received frame
1876 * in msk_rxeof() which in turn disables all
1877 * hardware assistance bits reported by the status
1878 * word as well as validity of the received frame.
1879 * Just pass received frames to upper stack with
1880 * minimal test and let upper stack handle them.
1882 sc->msk_pflags |= MSK_FLAG_NOHWVLAN |
1883 MSK_FLAG_NORXCHK | MSK_FLAG_NORX_CSUM;
1886 case CHIP_ID_YUKON_XL:
1887 sc->msk_clock = 156; /* 156 MHz */
1888 sc->msk_pflags |= MSK_FLAG_JUMBO;
1890 case CHIP_ID_YUKON_SUPR:
1891 sc->msk_clock = 125; /* 125 MHz */
1892 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
1893 MSK_FLAG_AUTOTX_CSUM;
1895 case CHIP_ID_YUKON_UL_2:
1896 sc->msk_clock = 125; /* 125 MHz */
1897 sc->msk_pflags |= MSK_FLAG_JUMBO;
1899 case CHIP_ID_YUKON_OPT:
1900 sc->msk_clock = 125; /* 125 MHz */
1901 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2;
1904 sc->msk_clock = 156; /* 156 MHz */
1908 /* Allocate IRQ resources. */
1909 msic = pci_msi_count(dev);
1911 device_printf(dev, "MSI count : %d\n", msic);
1912 if (legacy_intr != 0)
1914 if (msi_disable == 0 && msic > 0) {
1916 if (pci_alloc_msi(dev, &msir) == 0) {
1918 sc->msk_pflags |= MSK_FLAG_MSI;
1919 sc->msk_irq_spec = msk_irq_spec_msi;
1921 pci_release_msi(dev);
1925 error = bus_alloc_resources(dev, sc->msk_irq_spec, sc->msk_irq);
1927 device_printf(dev, "couldn't allocate IRQ resources\n");
1931 if ((error = msk_status_dma_alloc(sc)) != 0)
1934 /* Set base interrupt mask. */
1935 sc->msk_intrmask = Y2_IS_HW_ERR | Y2_IS_STAT_BMU;
1936 sc->msk_intrhwemask = Y2_IS_TIST_OV | Y2_IS_MST_ERR |
1937 Y2_IS_IRQ_STAT | Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP;
1939 /* Reset the adapter. */
1942 if ((error = mskc_setup_rambuffer(sc)) != 0)
1945 sc->msk_devs[MSK_PORT_A] = device_add_child(dev, "msk", -1);
1946 if (sc->msk_devs[MSK_PORT_A] == NULL) {
1947 device_printf(dev, "failed to add child for PORT_A\n");
1951 mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK | M_ZERO);
1953 device_printf(dev, "failed to allocate memory for "
1954 "ivars of PORT_A\n");
1958 mmd->port = MSK_PORT_A;
1959 mmd->pmd = sc->msk_pmd;
1960 mmd->mii_flags |= MIIF_DOPAUSE;
1961 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
1962 mmd->mii_flags |= MIIF_HAVEFIBER;
1963 if (sc->msk_pmd == 'P')
1964 mmd->mii_flags |= MIIF_HAVEFIBER | MIIF_MACPRIV0;
1965 device_set_ivars(sc->msk_devs[MSK_PORT_A], mmd);
1967 if (sc->msk_num_port > 1) {
1968 sc->msk_devs[MSK_PORT_B] = device_add_child(dev, "msk", -1);
1969 if (sc->msk_devs[MSK_PORT_B] == NULL) {
1970 device_printf(dev, "failed to add child for PORT_B\n");
1974 mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK |
1977 device_printf(dev, "failed to allocate memory for "
1978 "ivars of PORT_B\n");
1982 mmd->port = MSK_PORT_B;
1983 mmd->pmd = sc->msk_pmd;
1984 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
1985 mmd->mii_flags |= MIIF_HAVEFIBER;
1986 if (sc->msk_pmd == 'P')
1987 mmd->mii_flags |= MIIF_HAVEFIBER | MIIF_MACPRIV0;
1988 device_set_ivars(sc->msk_devs[MSK_PORT_B], mmd);
1991 error = bus_generic_attach(dev);
1993 device_printf(dev, "failed to attach port(s)\n");
1997 /* Hook interrupt last to avoid having to lock softc. */
1998 error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET |
1999 INTR_MPSAFE, NULL, msk_intr, sc, &sc->msk_intrhand);
2001 device_printf(dev, "couldn't set up interrupt handler\n");
2012 * Shutdown hardware and free up resources. This can be called any
2013 * time after the mutex has been initialized. It is called in both
2014 * the error case in attach and the normal detach case so it needs
2015 * to be careful about only freeing resources that have actually been
2019 msk_detach(device_t dev)
2021 struct msk_softc *sc;
2022 struct msk_if_softc *sc_if;
2025 sc_if = device_get_softc(dev);
2026 KASSERT(mtx_initialized(&sc_if->msk_softc->msk_mtx),
2027 ("msk mutex not initialized in msk_detach"));
2030 ifp = sc_if->msk_ifp;
2031 if (device_is_attached(dev)) {
2033 sc_if->msk_flags |= MSK_FLAG_DETACH;
2035 /* Can't hold locks while calling detach. */
2036 MSK_IF_UNLOCK(sc_if);
2037 callout_drain(&sc_if->msk_tick_ch);
2039 ether_ifdetach(ifp);
2044 * We're generally called from mskc_detach() which is using
2045 * device_delete_child() to get to here. It's already trashed
2046 * miibus for us, so don't do it here or we'll panic.
2048 * if (sc_if->msk_miibus != NULL) {
2049 * device_delete_child(dev, sc_if->msk_miibus);
2050 * sc_if->msk_miibus = NULL;
2054 msk_rx_dma_jfree(sc_if);
2055 msk_txrx_dma_free(sc_if);
2056 bus_generic_detach(dev);
2060 sc = sc_if->msk_softc;
2061 sc->msk_if[sc_if->msk_port] = NULL;
2062 MSK_IF_UNLOCK(sc_if);
2068 mskc_detach(device_t dev)
2070 struct msk_softc *sc;
2072 sc = device_get_softc(dev);
2073 KASSERT(mtx_initialized(&sc->msk_mtx), ("msk mutex not initialized"));
2075 if (device_is_alive(dev)) {
2076 if (sc->msk_devs[MSK_PORT_A] != NULL) {
2077 free(device_get_ivars(sc->msk_devs[MSK_PORT_A]),
2079 device_delete_child(dev, sc->msk_devs[MSK_PORT_A]);
2081 if (sc->msk_devs[MSK_PORT_B] != NULL) {
2082 free(device_get_ivars(sc->msk_devs[MSK_PORT_B]),
2084 device_delete_child(dev, sc->msk_devs[MSK_PORT_B]);
2086 bus_generic_detach(dev);
2089 /* Disable all interrupts. */
2090 CSR_WRITE_4(sc, B0_IMSK, 0);
2091 CSR_READ_4(sc, B0_IMSK);
2092 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
2093 CSR_READ_4(sc, B0_HWE_IMSK);
2096 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_OFF);
2098 /* Put hardware reset. */
2099 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
2101 msk_status_dma_free(sc);
2103 if (sc->msk_intrhand) {
2104 bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand);
2105 sc->msk_intrhand = NULL;
2107 bus_release_resources(dev, sc->msk_irq_spec, sc->msk_irq);
2108 if ((sc->msk_pflags & MSK_FLAG_MSI) != 0)
2109 pci_release_msi(dev);
2110 bus_release_resources(dev, sc->msk_res_spec, sc->msk_res);
2111 mtx_destroy(&sc->msk_mtx);
2116 struct msk_dmamap_arg {
2117 bus_addr_t msk_busaddr;
2121 msk_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
2123 struct msk_dmamap_arg *ctx;
2128 ctx->msk_busaddr = segs[0].ds_addr;
2131 /* Create status DMA region. */
2133 msk_status_dma_alloc(struct msk_softc *sc)
2135 struct msk_dmamap_arg ctx;
2140 * It seems controller requires number of status LE entries
2141 * is power of 2 and the maximum number of status LE entries
2142 * is 4096. For dual-port controllers, the number of status
2143 * LE entries should be large enough to hold both port's
2146 count = 3 * MSK_RX_RING_CNT + MSK_TX_RING_CNT;
2147 count = imin(4096, roundup2(count, 1024));
2148 sc->msk_stat_count = count;
2149 stat_sz = count * sizeof(struct msk_stat_desc);
2150 error = bus_dma_tag_create(
2151 bus_get_dma_tag(sc->msk_dev), /* parent */
2152 MSK_STAT_ALIGN, 0, /* alignment, boundary */
2153 BUS_SPACE_MAXADDR, /* lowaddr */
2154 BUS_SPACE_MAXADDR, /* highaddr */
2155 NULL, NULL, /* filter, filterarg */
2156 stat_sz, /* maxsize */
2158 stat_sz, /* maxsegsize */
2160 NULL, NULL, /* lockfunc, lockarg */
2163 device_printf(sc->msk_dev,
2164 "failed to create status DMA tag\n");
2168 /* Allocate DMA'able memory and load the DMA map for status ring. */
2169 error = bus_dmamem_alloc(sc->msk_stat_tag,
2170 (void **)&sc->msk_stat_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT |
2171 BUS_DMA_ZERO, &sc->msk_stat_map);
2173 device_printf(sc->msk_dev,
2174 "failed to allocate DMA'able memory for status ring\n");
2178 ctx.msk_busaddr = 0;
2179 error = bus_dmamap_load(sc->msk_stat_tag, sc->msk_stat_map,
2180 sc->msk_stat_ring, stat_sz, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2182 device_printf(sc->msk_dev,
2183 "failed to load DMA'able memory for status ring\n");
2186 sc->msk_stat_ring_paddr = ctx.msk_busaddr;
2192 msk_status_dma_free(struct msk_softc *sc)
2195 /* Destroy status block. */
2196 if (sc->msk_stat_tag) {
2197 if (sc->msk_stat_map) {
2198 bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map);
2199 if (sc->msk_stat_ring) {
2200 bus_dmamem_free(sc->msk_stat_tag,
2201 sc->msk_stat_ring, sc->msk_stat_map);
2202 sc->msk_stat_ring = NULL;
2204 sc->msk_stat_map = NULL;
2206 bus_dma_tag_destroy(sc->msk_stat_tag);
2207 sc->msk_stat_tag = NULL;
2212 msk_txrx_dma_alloc(struct msk_if_softc *sc_if)
2214 struct msk_dmamap_arg ctx;
2215 struct msk_txdesc *txd;
2216 struct msk_rxdesc *rxd;
2220 /* Create parent DMA tag. */
2221 error = bus_dma_tag_create(
2222 bus_get_dma_tag(sc_if->msk_if_dev), /* parent */
2223 1, 0, /* alignment, boundary */
2224 BUS_SPACE_MAXADDR, /* lowaddr */
2225 BUS_SPACE_MAXADDR, /* highaddr */
2226 NULL, NULL, /* filter, filterarg */
2227 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
2229 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
2231 NULL, NULL, /* lockfunc, lockarg */
2232 &sc_if->msk_cdata.msk_parent_tag);
2234 device_printf(sc_if->msk_if_dev,
2235 "failed to create parent DMA tag\n");
2238 /* Create tag for Tx ring. */
2239 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2240 MSK_RING_ALIGN, 0, /* alignment, boundary */
2241 BUS_SPACE_MAXADDR, /* lowaddr */
2242 BUS_SPACE_MAXADDR, /* highaddr */
2243 NULL, NULL, /* filter, filterarg */
2244 MSK_TX_RING_SZ, /* maxsize */
2246 MSK_TX_RING_SZ, /* maxsegsize */
2248 NULL, NULL, /* lockfunc, lockarg */
2249 &sc_if->msk_cdata.msk_tx_ring_tag);
2251 device_printf(sc_if->msk_if_dev,
2252 "failed to create Tx ring DMA tag\n");
2256 /* Create tag for Rx ring. */
2257 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2258 MSK_RING_ALIGN, 0, /* alignment, boundary */
2259 BUS_SPACE_MAXADDR, /* lowaddr */
2260 BUS_SPACE_MAXADDR, /* highaddr */
2261 NULL, NULL, /* filter, filterarg */
2262 MSK_RX_RING_SZ, /* maxsize */
2264 MSK_RX_RING_SZ, /* maxsegsize */
2266 NULL, NULL, /* lockfunc, lockarg */
2267 &sc_if->msk_cdata.msk_rx_ring_tag);
2269 device_printf(sc_if->msk_if_dev,
2270 "failed to create Rx ring DMA tag\n");
2274 /* Create tag for Tx buffers. */
2275 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2276 1, 0, /* alignment, boundary */
2277 BUS_SPACE_MAXADDR, /* lowaddr */
2278 BUS_SPACE_MAXADDR, /* highaddr */
2279 NULL, NULL, /* filter, filterarg */
2280 MSK_TSO_MAXSIZE, /* maxsize */
2281 MSK_MAXTXSEGS, /* nsegments */
2282 MSK_TSO_MAXSGSIZE, /* maxsegsize */
2284 NULL, NULL, /* lockfunc, lockarg */
2285 &sc_if->msk_cdata.msk_tx_tag);
2287 device_printf(sc_if->msk_if_dev,
2288 "failed to create Tx DMA tag\n");
2294 * Workaround hardware hang which seems to happen when Rx buffer
2295 * is not aligned on multiple of FIFO word(8 bytes).
2297 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2298 rxalign = MSK_RX_BUF_ALIGN;
2299 /* Create tag for Rx buffers. */
2300 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2301 rxalign, 0, /* alignment, boundary */
2302 BUS_SPACE_MAXADDR, /* lowaddr */
2303 BUS_SPACE_MAXADDR, /* highaddr */
2304 NULL, NULL, /* filter, filterarg */
2305 MCLBYTES, /* maxsize */
2307 MCLBYTES, /* maxsegsize */
2309 NULL, NULL, /* lockfunc, lockarg */
2310 &sc_if->msk_cdata.msk_rx_tag);
2312 device_printf(sc_if->msk_if_dev,
2313 "failed to create Rx DMA tag\n");
2317 /* Allocate DMA'able memory and load the DMA map for Tx ring. */
2318 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_tx_ring_tag,
2319 (void **)&sc_if->msk_rdata.msk_tx_ring, BUS_DMA_WAITOK |
2320 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_tx_ring_map);
2322 device_printf(sc_if->msk_if_dev,
2323 "failed to allocate DMA'able memory for Tx ring\n");
2327 ctx.msk_busaddr = 0;
2328 error = bus_dmamap_load(sc_if->msk_cdata.msk_tx_ring_tag,
2329 sc_if->msk_cdata.msk_tx_ring_map, sc_if->msk_rdata.msk_tx_ring,
2330 MSK_TX_RING_SZ, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2332 device_printf(sc_if->msk_if_dev,
2333 "failed to load DMA'able memory for Tx ring\n");
2336 sc_if->msk_rdata.msk_tx_ring_paddr = ctx.msk_busaddr;
2338 /* Allocate DMA'able memory and load the DMA map for Rx ring. */
2339 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_rx_ring_tag,
2340 (void **)&sc_if->msk_rdata.msk_rx_ring, BUS_DMA_WAITOK |
2341 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_rx_ring_map);
2343 device_printf(sc_if->msk_if_dev,
2344 "failed to allocate DMA'able memory for Rx ring\n");
2348 ctx.msk_busaddr = 0;
2349 error = bus_dmamap_load(sc_if->msk_cdata.msk_rx_ring_tag,
2350 sc_if->msk_cdata.msk_rx_ring_map, sc_if->msk_rdata.msk_rx_ring,
2351 MSK_RX_RING_SZ, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2353 device_printf(sc_if->msk_if_dev,
2354 "failed to load DMA'able memory for Rx ring\n");
2357 sc_if->msk_rdata.msk_rx_ring_paddr = ctx.msk_busaddr;
2359 /* Create DMA maps for Tx buffers. */
2360 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2361 txd = &sc_if->msk_cdata.msk_txdesc[i];
2363 txd->tx_dmamap = NULL;
2364 error = bus_dmamap_create(sc_if->msk_cdata.msk_tx_tag, 0,
2367 device_printf(sc_if->msk_if_dev,
2368 "failed to create Tx dmamap\n");
2372 /* Create DMA maps for Rx buffers. */
2373 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0,
2374 &sc_if->msk_cdata.msk_rx_sparemap)) != 0) {
2375 device_printf(sc_if->msk_if_dev,
2376 "failed to create spare Rx dmamap\n");
2379 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2380 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2382 rxd->rx_dmamap = NULL;
2383 error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0,
2386 device_printf(sc_if->msk_if_dev,
2387 "failed to create Rx dmamap\n");
2397 msk_rx_dma_jalloc(struct msk_if_softc *sc_if)
2399 struct msk_dmamap_arg ctx;
2400 struct msk_rxdesc *jrxd;
2404 if (jumbo_disable != 0 || (sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
2405 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
2406 device_printf(sc_if->msk_if_dev,
2407 "disabling jumbo frame support\n");
2410 /* Create tag for jumbo Rx ring. */
2411 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2412 MSK_RING_ALIGN, 0, /* alignment, boundary */
2413 BUS_SPACE_MAXADDR, /* lowaddr */
2414 BUS_SPACE_MAXADDR, /* highaddr */
2415 NULL, NULL, /* filter, filterarg */
2416 MSK_JUMBO_RX_RING_SZ, /* maxsize */
2418 MSK_JUMBO_RX_RING_SZ, /* maxsegsize */
2420 NULL, NULL, /* lockfunc, lockarg */
2421 &sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2423 device_printf(sc_if->msk_if_dev,
2424 "failed to create jumbo Rx ring DMA tag\n");
2430 * Workaround hardware hang which seems to happen when Rx buffer
2431 * is not aligned on multiple of FIFO word(8 bytes).
2433 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2434 rxalign = MSK_RX_BUF_ALIGN;
2435 /* Create tag for jumbo Rx buffers. */
2436 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2437 rxalign, 0, /* alignment, boundary */
2438 BUS_SPACE_MAXADDR, /* lowaddr */
2439 BUS_SPACE_MAXADDR, /* highaddr */
2440 NULL, NULL, /* filter, filterarg */
2441 MJUM9BYTES, /* maxsize */
2443 MJUM9BYTES, /* maxsegsize */
2445 NULL, NULL, /* lockfunc, lockarg */
2446 &sc_if->msk_cdata.msk_jumbo_rx_tag);
2448 device_printf(sc_if->msk_if_dev,
2449 "failed to create jumbo Rx DMA tag\n");
2453 /* Allocate DMA'able memory and load the DMA map for jumbo Rx ring. */
2454 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2455 (void **)&sc_if->msk_rdata.msk_jumbo_rx_ring,
2456 BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO,
2457 &sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2459 device_printf(sc_if->msk_if_dev,
2460 "failed to allocate DMA'able memory for jumbo Rx ring\n");
2464 ctx.msk_busaddr = 0;
2465 error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2466 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
2467 sc_if->msk_rdata.msk_jumbo_rx_ring, MSK_JUMBO_RX_RING_SZ,
2468 msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2470 device_printf(sc_if->msk_if_dev,
2471 "failed to load DMA'able memory for jumbo Rx ring\n");
2474 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr;
2476 /* Create DMA maps for jumbo Rx buffers. */
2477 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2478 &sc_if->msk_cdata.msk_jumbo_rx_sparemap)) != 0) {
2479 device_printf(sc_if->msk_if_dev,
2480 "failed to create spare jumbo Rx dmamap\n");
2483 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2484 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2486 jrxd->rx_dmamap = NULL;
2487 error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2490 device_printf(sc_if->msk_if_dev,
2491 "failed to create jumbo Rx dmamap\n");
2499 msk_rx_dma_jfree(sc_if);
2500 device_printf(sc_if->msk_if_dev, "disabling jumbo frame support "
2501 "due to resource shortage\n");
2502 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
2507 msk_txrx_dma_free(struct msk_if_softc *sc_if)
2509 struct msk_txdesc *txd;
2510 struct msk_rxdesc *rxd;
2514 if (sc_if->msk_cdata.msk_tx_ring_tag) {
2515 if (sc_if->msk_cdata.msk_tx_ring_map)
2516 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_ring_tag,
2517 sc_if->msk_cdata.msk_tx_ring_map);
2518 if (sc_if->msk_cdata.msk_tx_ring_map &&
2519 sc_if->msk_rdata.msk_tx_ring)
2520 bus_dmamem_free(sc_if->msk_cdata.msk_tx_ring_tag,
2521 sc_if->msk_rdata.msk_tx_ring,
2522 sc_if->msk_cdata.msk_tx_ring_map);
2523 sc_if->msk_rdata.msk_tx_ring = NULL;
2524 sc_if->msk_cdata.msk_tx_ring_map = NULL;
2525 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_ring_tag);
2526 sc_if->msk_cdata.msk_tx_ring_tag = NULL;
2529 if (sc_if->msk_cdata.msk_rx_ring_tag) {
2530 if (sc_if->msk_cdata.msk_rx_ring_map)
2531 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_ring_tag,
2532 sc_if->msk_cdata.msk_rx_ring_map);
2533 if (sc_if->msk_cdata.msk_rx_ring_map &&
2534 sc_if->msk_rdata.msk_rx_ring)
2535 bus_dmamem_free(sc_if->msk_cdata.msk_rx_ring_tag,
2536 sc_if->msk_rdata.msk_rx_ring,
2537 sc_if->msk_cdata.msk_rx_ring_map);
2538 sc_if->msk_rdata.msk_rx_ring = NULL;
2539 sc_if->msk_cdata.msk_rx_ring_map = NULL;
2540 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_ring_tag);
2541 sc_if->msk_cdata.msk_rx_ring_tag = NULL;
2544 if (sc_if->msk_cdata.msk_tx_tag) {
2545 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2546 txd = &sc_if->msk_cdata.msk_txdesc[i];
2547 if (txd->tx_dmamap) {
2548 bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag,
2550 txd->tx_dmamap = NULL;
2553 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag);
2554 sc_if->msk_cdata.msk_tx_tag = NULL;
2557 if (sc_if->msk_cdata.msk_rx_tag) {
2558 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2559 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2560 if (rxd->rx_dmamap) {
2561 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2563 rxd->rx_dmamap = NULL;
2566 if (sc_if->msk_cdata.msk_rx_sparemap) {
2567 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2568 sc_if->msk_cdata.msk_rx_sparemap);
2569 sc_if->msk_cdata.msk_rx_sparemap = 0;
2571 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag);
2572 sc_if->msk_cdata.msk_rx_tag = NULL;
2574 if (sc_if->msk_cdata.msk_parent_tag) {
2575 bus_dma_tag_destroy(sc_if->msk_cdata.msk_parent_tag);
2576 sc_if->msk_cdata.msk_parent_tag = NULL;
2581 msk_rx_dma_jfree(struct msk_if_softc *sc_if)
2583 struct msk_rxdesc *jrxd;
2586 /* Jumbo Rx ring. */
2587 if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) {
2588 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map)
2589 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2590 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2591 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map &&
2592 sc_if->msk_rdata.msk_jumbo_rx_ring)
2593 bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2594 sc_if->msk_rdata.msk_jumbo_rx_ring,
2595 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2596 sc_if->msk_rdata.msk_jumbo_rx_ring = NULL;
2597 sc_if->msk_cdata.msk_jumbo_rx_ring_map = NULL;
2598 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2599 sc_if->msk_cdata.msk_jumbo_rx_ring_tag = NULL;
2601 /* Jumbo Rx buffers. */
2602 if (sc_if->msk_cdata.msk_jumbo_rx_tag) {
2603 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2604 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2605 if (jrxd->rx_dmamap) {
2607 sc_if->msk_cdata.msk_jumbo_rx_tag,
2609 jrxd->rx_dmamap = NULL;
2612 if (sc_if->msk_cdata.msk_jumbo_rx_sparemap) {
2613 bus_dmamap_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag,
2614 sc_if->msk_cdata.msk_jumbo_rx_sparemap);
2615 sc_if->msk_cdata.msk_jumbo_rx_sparemap = 0;
2617 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag);
2618 sc_if->msk_cdata.msk_jumbo_rx_tag = NULL;
2623 msk_encap(struct msk_if_softc *sc_if, struct mbuf **m_head)
2625 struct msk_txdesc *txd, *txd_last;
2626 struct msk_tx_desc *tx_le;
2629 bus_dma_segment_t txsegs[MSK_MAXTXSEGS];
2630 uint32_t control, csum, prod, si;
2631 uint16_t offset, tcp_offset, tso_mtu;
2632 int error, i, nseg, tso;
2634 MSK_IF_LOCK_ASSERT(sc_if);
2636 tcp_offset = offset = 0;
2638 if (((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
2639 (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) ||
2640 ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
2641 (m->m_pkthdr.csum_flags & CSUM_TSO) != 0)) {
2643 * Since mbuf has no protocol specific structure information
2644 * in it we have to inspect protocol information here to
2645 * setup TSO and checksum offload. I don't know why Marvell
2646 * made a such decision in chip design because other GigE
2647 * hardwares normally takes care of all these chores in
2648 * hardware. However, TSO performance of Yukon II is very
2649 * good such that it's worth to implement it.
2651 struct ether_header *eh;
2655 if (M_WRITABLE(m) == 0) {
2656 /* Get a writable copy. */
2657 m = m_dup(*m_head, M_DONTWAIT);
2666 offset = sizeof(struct ether_header);
2667 m = m_pullup(m, offset);
2672 eh = mtod(m, struct ether_header *);
2673 /* Check if hardware VLAN insertion is off. */
2674 if (eh->ether_type == htons(ETHERTYPE_VLAN)) {
2675 offset = sizeof(struct ether_vlan_header);
2676 m = m_pullup(m, offset);
2682 m = m_pullup(m, offset + sizeof(struct ip));
2687 ip = (struct ip *)(mtod(m, char *) + offset);
2688 offset += (ip->ip_hl << 2);
2689 tcp_offset = offset;
2690 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {
2691 m = m_pullup(m, offset + sizeof(struct tcphdr));
2696 tcp = (struct tcphdr *)(mtod(m, char *) + offset);
2697 offset += (tcp->th_off << 2);
2698 } else if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
2699 (m->m_pkthdr.len < MSK_MIN_FRAMELEN) &&
2700 (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) {
2702 * It seems that Yukon II has Tx checksum offload bug
2703 * for small TCP packets that's less than 60 bytes in
2704 * size (e.g. TCP window probe packet, pure ACK packet).
2705 * Common work around like padding with zeros to make
2706 * the frame minimum ethernet frame size didn't work at
2708 * Instead of disabling checksum offload completely we
2709 * resort to S/W checksum routine when we encounter
2711 * Short UDP packets appear to be handled correctly by
2712 * Yukon II. Also I assume this bug does not happen on
2713 * controllers that use newer descriptor format or
2714 * automatic Tx checksum calculation.
2716 m = m_pullup(m, offset + sizeof(struct tcphdr));
2721 *(uint16_t *)(m->m_data + offset +
2722 m->m_pkthdr.csum_data) = in_cksum_skip(m,
2723 m->m_pkthdr.len, offset);
2724 m->m_pkthdr.csum_flags &= ~CSUM_TCP;
2729 prod = sc_if->msk_cdata.msk_tx_prod;
2730 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2732 map = txd->tx_dmamap;
2733 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, map,
2734 *m_head, txsegs, &nseg, BUS_DMA_NOWAIT);
2735 if (error == EFBIG) {
2736 m = m_collapse(*m_head, M_DONTWAIT, MSK_MAXTXSEGS);
2743 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag,
2744 map, *m_head, txsegs, &nseg, BUS_DMA_NOWAIT);
2750 } else if (error != 0)
2758 /* Check number of available descriptors. */
2759 if (sc_if->msk_cdata.msk_tx_cnt + nseg >=
2760 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT)) {
2761 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, map);
2769 /* Check TSO support. */
2770 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {
2771 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
2772 tso_mtu = m->m_pkthdr.tso_segsz;
2774 tso_mtu = offset + m->m_pkthdr.tso_segsz;
2775 if (tso_mtu != sc_if->msk_cdata.msk_tso_mtu) {
2776 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2777 tx_le->msk_addr = htole32(tso_mtu);
2778 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
2779 tx_le->msk_control = htole32(OP_MSS | HW_OWNER);
2781 tx_le->msk_control =
2782 htole32(OP_LRGLEN | HW_OWNER);
2783 sc_if->msk_cdata.msk_tx_cnt++;
2784 MSK_INC(prod, MSK_TX_RING_CNT);
2785 sc_if->msk_cdata.msk_tso_mtu = tso_mtu;
2789 /* Check if we have a VLAN tag to insert. */
2790 if ((m->m_flags & M_VLANTAG) != 0) {
2791 if (tx_le == NULL) {
2792 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2793 tx_le->msk_addr = htole32(0);
2794 tx_le->msk_control = htole32(OP_VLAN | HW_OWNER |
2795 htons(m->m_pkthdr.ether_vtag));
2796 sc_if->msk_cdata.msk_tx_cnt++;
2797 MSK_INC(prod, MSK_TX_RING_CNT);
2799 tx_le->msk_control |= htole32(OP_VLAN |
2800 htons(m->m_pkthdr.ether_vtag));
2802 control |= INS_VLAN;
2804 /* Check if we have to handle checksum offload. */
2805 if (tso == 0 && (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) {
2806 if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) != 0)
2809 control |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM;
2810 if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0)
2812 /* Checksum write position. */
2813 csum = (tcp_offset + m->m_pkthdr.csum_data) & 0xffff;
2814 /* Checksum start position. */
2815 csum |= (uint32_t)tcp_offset << 16;
2816 if (csum != sc_if->msk_cdata.msk_last_csum) {
2817 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2818 tx_le->msk_addr = htole32(csum);
2819 tx_le->msk_control = htole32(1 << 16 |
2820 (OP_TCPLISW | HW_OWNER));
2821 sc_if->msk_cdata.msk_tx_cnt++;
2822 MSK_INC(prod, MSK_TX_RING_CNT);
2823 sc_if->msk_cdata.msk_last_csum = csum;
2828 #ifdef MSK_64BIT_DMA
2829 if (MSK_ADDR_HI(txsegs[0].ds_addr) !=
2830 sc_if->msk_cdata.msk_tx_high_addr) {
2831 sc_if->msk_cdata.msk_tx_high_addr =
2832 MSK_ADDR_HI(txsegs[0].ds_addr);
2833 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2834 tx_le->msk_addr = htole32(MSK_ADDR_HI(txsegs[0].ds_addr));
2835 tx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
2836 sc_if->msk_cdata.msk_tx_cnt++;
2837 MSK_INC(prod, MSK_TX_RING_CNT);
2841 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2842 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[0].ds_addr));
2844 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2847 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2849 sc_if->msk_cdata.msk_tx_cnt++;
2850 MSK_INC(prod, MSK_TX_RING_CNT);
2852 for (i = 1; i < nseg; i++) {
2853 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2854 #ifdef MSK_64BIT_DMA
2855 if (MSK_ADDR_HI(txsegs[i].ds_addr) !=
2856 sc_if->msk_cdata.msk_tx_high_addr) {
2857 sc_if->msk_cdata.msk_tx_high_addr =
2858 MSK_ADDR_HI(txsegs[i].ds_addr);
2859 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2861 htole32(MSK_ADDR_HI(txsegs[i].ds_addr));
2862 tx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
2863 sc_if->msk_cdata.msk_tx_cnt++;
2864 MSK_INC(prod, MSK_TX_RING_CNT);
2865 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2868 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[i].ds_addr));
2869 tx_le->msk_control = htole32(txsegs[i].ds_len | control |
2870 OP_BUFFER | HW_OWNER);
2871 sc_if->msk_cdata.msk_tx_cnt++;
2872 MSK_INC(prod, MSK_TX_RING_CNT);
2874 /* Update producer index. */
2875 sc_if->msk_cdata.msk_tx_prod = prod;
2877 /* Set EOP on the last descriptor. */
2878 prod = (prod + MSK_TX_RING_CNT - 1) % MSK_TX_RING_CNT;
2879 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2880 tx_le->msk_control |= htole32(EOP);
2882 /* Turn the first descriptor ownership to hardware. */
2883 tx_le = &sc_if->msk_rdata.msk_tx_ring[si];
2884 tx_le->msk_control |= htole32(HW_OWNER);
2886 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2887 map = txd_last->tx_dmamap;
2888 txd_last->tx_dmamap = txd->tx_dmamap;
2889 txd->tx_dmamap = map;
2892 /* Sync descriptors. */
2893 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, map, BUS_DMASYNC_PREWRITE);
2894 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
2895 sc_if->msk_cdata.msk_tx_ring_map,
2896 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
2902 msk_start(struct ifnet *ifp)
2904 struct msk_if_softc *sc_if;
2906 sc_if = ifp->if_softc;
2908 msk_start_locked(ifp);
2909 MSK_IF_UNLOCK(sc_if);
2913 msk_start_locked(struct ifnet *ifp)
2915 struct msk_if_softc *sc_if;
2916 struct mbuf *m_head;
2919 sc_if = ifp->if_softc;
2920 MSK_IF_LOCK_ASSERT(sc_if);
2922 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
2923 IFF_DRV_RUNNING || (sc_if->msk_flags & MSK_FLAG_LINK) == 0)
2926 for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) &&
2927 sc_if->msk_cdata.msk_tx_cnt <
2928 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT); ) {
2929 IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
2933 * Pack the data into the transmit ring. If we
2934 * don't have room, set the OACTIVE flag and wait
2935 * for the NIC to drain the ring.
2937 if (msk_encap(sc_if, &m_head) != 0) {
2940 IFQ_DRV_PREPEND(&ifp->if_snd, m_head);
2941 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2947 * If there's a BPF listener, bounce a copy of this frame
2950 ETHER_BPF_MTAP(ifp, m_head);
2955 CSR_WRITE_2(sc_if->msk_softc,
2956 Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_PUT_IDX_REG),
2957 sc_if->msk_cdata.msk_tx_prod);
2959 /* Set a timeout in case the chip goes out to lunch. */
2960 sc_if->msk_watchdog_timer = MSK_TX_TIMEOUT;
2965 msk_watchdog(struct msk_if_softc *sc_if)
2969 MSK_IF_LOCK_ASSERT(sc_if);
2971 if (sc_if->msk_watchdog_timer == 0 || --sc_if->msk_watchdog_timer)
2973 ifp = sc_if->msk_ifp;
2974 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0) {
2976 if_printf(sc_if->msk_ifp, "watchdog timeout "
2979 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2980 msk_init_locked(sc_if);
2984 if_printf(ifp, "watchdog timeout\n");
2986 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2987 msk_init_locked(sc_if);
2988 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
2989 msk_start_locked(ifp);
2993 mskc_shutdown(device_t dev)
2995 struct msk_softc *sc;
2998 sc = device_get_softc(dev);
3000 for (i = 0; i < sc->msk_num_port; i++) {
3001 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3002 ((sc->msk_if[i]->msk_ifp->if_drv_flags &
3003 IFF_DRV_RUNNING) != 0))
3004 msk_stop(sc->msk_if[i]);
3008 /* Put hardware reset. */
3009 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
3014 mskc_suspend(device_t dev)
3016 struct msk_softc *sc;
3019 sc = device_get_softc(dev);
3023 for (i = 0; i < sc->msk_num_port; i++) {
3024 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3025 ((sc->msk_if[i]->msk_ifp->if_drv_flags &
3026 IFF_DRV_RUNNING) != 0))
3027 msk_stop(sc->msk_if[i]);
3030 /* Disable all interrupts. */
3031 CSR_WRITE_4(sc, B0_IMSK, 0);
3032 CSR_READ_4(sc, B0_IMSK);
3033 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
3034 CSR_READ_4(sc, B0_HWE_IMSK);
3036 msk_phy_power(sc, MSK_PHY_POWERDOWN);
3038 /* Put hardware reset. */
3039 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
3040 sc->msk_pflags |= MSK_FLAG_SUSPEND;
3048 mskc_resume(device_t dev)
3050 struct msk_softc *sc;
3053 sc = device_get_softc(dev);
3057 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
3059 for (i = 0; i < sc->msk_num_port; i++) {
3060 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3061 ((sc->msk_if[i]->msk_ifp->if_flags & IFF_UP) != 0)) {
3062 sc->msk_if[i]->msk_ifp->if_drv_flags &=
3064 msk_init_locked(sc->msk_if[i]);
3067 sc->msk_pflags &= ~MSK_FLAG_SUSPEND;
3074 #ifndef __NO_STRICT_ALIGNMENT
3075 static __inline void
3076 msk_fixup_rx(struct mbuf *m)
3079 uint16_t *src, *dst;
3081 src = mtod(m, uint16_t *);
3084 for (i = 0; i < (m->m_len / sizeof(uint16_t) + 1); i++)
3087 m->m_data -= (MSK_RX_BUF_ALIGN - ETHER_ALIGN);
3091 static __inline void
3092 msk_rxcsum(struct msk_if_softc *sc_if, uint32_t control, struct mbuf *m)
3094 struct ether_header *eh;
3097 int32_t hlen, len, pktlen, temp32;
3098 uint16_t csum, *opts;
3100 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0) {
3101 if ((control & (CSS_IPV4 | CSS_IPFRAG)) == CSS_IPV4) {
3102 m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
3103 if ((control & CSS_IPV4_CSUM_OK) != 0)
3104 m->m_pkthdr.csum_flags |= CSUM_IP_VALID;
3105 if ((control & (CSS_TCP | CSS_UDP)) != 0 &&
3106 (control & (CSS_TCPUDP_CSUM_OK)) != 0) {
3107 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID |
3109 m->m_pkthdr.csum_data = 0xffff;
3115 * Marvell Yukon controllers that support OP_RXCHKS has known
3116 * to have various Rx checksum offloading bugs. These
3117 * controllers can be configured to compute simple checksum
3118 * at two different positions. So we can compute IP and TCP/UDP
3119 * checksum at the same time. We intentionally have controller
3120 * compute TCP/UDP checksum twice by specifying the same
3121 * checksum start position and compare the result. If the value
3122 * is different it would indicate the hardware logic was wrong.
3124 if ((sc_if->msk_csum & 0xFFFF) != (sc_if->msk_csum >> 16)) {
3126 device_printf(sc_if->msk_if_dev,
3127 "Rx checksum value mismatch!\n");
3130 pktlen = m->m_pkthdr.len;
3131 if (pktlen < sizeof(struct ether_header) + sizeof(struct ip))
3133 eh = mtod(m, struct ether_header *);
3134 if (eh->ether_type != htons(ETHERTYPE_IP))
3136 ip = (struct ip *)(eh + 1);
3137 if (ip->ip_v != IPVERSION)
3140 hlen = ip->ip_hl << 2;
3141 pktlen -= sizeof(struct ether_header);
3142 if (hlen < sizeof(struct ip))
3144 if (ntohs(ip->ip_len) < hlen)
3146 if (ntohs(ip->ip_len) != pktlen)
3148 if (ip->ip_off & htons(IP_MF | IP_OFFMASK))
3149 return; /* can't handle fragmented packet. */
3153 if (pktlen < (hlen + sizeof(struct tcphdr)))
3157 if (pktlen < (hlen + sizeof(struct udphdr)))
3159 uh = (struct udphdr *)((caddr_t)ip + hlen);
3160 if (uh->uh_sum == 0)
3161 return; /* no checksum */
3166 csum = bswap16(sc_if->msk_csum & 0xFFFF);
3167 /* Checksum fixup for IP options. */
3168 len = hlen - sizeof(struct ip);
3170 opts = (uint16_t *)(ip + 1);
3171 for (; len > 0; len -= sizeof(uint16_t), opts++) {
3172 temp32 = csum - *opts;
3173 temp32 = (temp32 >> 16) + (temp32 & 65535);
3174 csum = temp32 & 65535;
3177 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID;
3178 m->m_pkthdr.csum_data = csum;
3182 msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
3187 struct msk_rxdesc *rxd;
3190 ifp = sc_if->msk_ifp;
3192 MSK_IF_LOCK_ASSERT(sc_if);
3194 cons = sc_if->msk_cdata.msk_rx_cons;
3196 rxlen = status >> 16;
3197 if ((status & GMR_FS_VLAN) != 0 &&
3198 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
3199 rxlen -= ETHER_VLAN_ENCAP_LEN;
3200 if ((sc_if->msk_flags & MSK_FLAG_NORXCHK) != 0) {
3202 * For controllers that returns bogus status code
3203 * just do minimal check and let upper stack
3204 * handle this frame.
3206 if (len > MSK_MAX_FRAMELEN || len < ETHER_HDR_LEN) {
3208 msk_discard_rxbuf(sc_if, cons);
3211 } else if (len > sc_if->msk_framesize ||
3212 ((status & GMR_FS_ANY_ERR) != 0) ||
3213 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
3214 /* Don't count flow-control packet as errors. */
3215 if ((status & GMR_FS_GOOD_FC) == 0)
3217 msk_discard_rxbuf(sc_if, cons);
3220 #ifdef MSK_64BIT_DMA
3221 rxd = &sc_if->msk_cdata.msk_rxdesc[(cons + 1) %
3224 rxd = &sc_if->msk_cdata.msk_rxdesc[cons];
3227 if (msk_newbuf(sc_if, cons) != 0) {
3229 /* Reuse old buffer. */
3230 msk_discard_rxbuf(sc_if, cons);
3233 m->m_pkthdr.rcvif = ifp;
3234 m->m_pkthdr.len = m->m_len = len;
3235 #ifndef __NO_STRICT_ALIGNMENT
3236 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
3240 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0)
3241 msk_rxcsum(sc_if, control, m);
3242 /* Check for VLAN tagged packets. */
3243 if ((status & GMR_FS_VLAN) != 0 &&
3244 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
3245 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
3246 m->m_flags |= M_VLANTAG;
3248 MSK_IF_UNLOCK(sc_if);
3249 (*ifp->if_input)(ifp, m);
3253 MSK_RX_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
3254 MSK_RX_INC(sc_if->msk_cdata.msk_rx_prod, MSK_RX_RING_CNT);
3258 msk_jumbo_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
3263 struct msk_rxdesc *jrxd;
3266 ifp = sc_if->msk_ifp;
3268 MSK_IF_LOCK_ASSERT(sc_if);
3270 cons = sc_if->msk_cdata.msk_rx_cons;
3272 rxlen = status >> 16;
3273 if ((status & GMR_FS_VLAN) != 0 &&
3274 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
3275 rxlen -= ETHER_VLAN_ENCAP_LEN;
3276 if (len > sc_if->msk_framesize ||
3277 ((status & GMR_FS_ANY_ERR) != 0) ||
3278 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
3279 /* Don't count flow-control packet as errors. */
3280 if ((status & GMR_FS_GOOD_FC) == 0)
3282 msk_discard_jumbo_rxbuf(sc_if, cons);
3285 #ifdef MSK_64BIT_DMA
3286 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[(cons + 1) %
3287 MSK_JUMBO_RX_RING_CNT];
3289 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons];
3292 if (msk_jumbo_newbuf(sc_if, cons) != 0) {
3294 /* Reuse old buffer. */
3295 msk_discard_jumbo_rxbuf(sc_if, cons);
3298 m->m_pkthdr.rcvif = ifp;
3299 m->m_pkthdr.len = m->m_len = len;
3300 #ifndef __NO_STRICT_ALIGNMENT
3301 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
3305 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0)
3306 msk_rxcsum(sc_if, control, m);
3307 /* Check for VLAN tagged packets. */
3308 if ((status & GMR_FS_VLAN) != 0 &&
3309 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
3310 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
3311 m->m_flags |= M_VLANTAG;
3313 MSK_IF_UNLOCK(sc_if);
3314 (*ifp->if_input)(ifp, m);
3318 MSK_RX_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
3319 MSK_RX_INC(sc_if->msk_cdata.msk_rx_prod, MSK_JUMBO_RX_RING_CNT);
3323 msk_txeof(struct msk_if_softc *sc_if, int idx)
3325 struct msk_txdesc *txd;
3326 struct msk_tx_desc *cur_tx;
3331 MSK_IF_LOCK_ASSERT(sc_if);
3333 ifp = sc_if->msk_ifp;
3335 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
3336 sc_if->msk_cdata.msk_tx_ring_map,
3337 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3339 * Go through our tx ring and free mbufs for those
3340 * frames that have been sent.
3342 cons = sc_if->msk_cdata.msk_tx_cons;
3344 for (; cons != idx; MSK_INC(cons, MSK_TX_RING_CNT)) {
3345 if (sc_if->msk_cdata.msk_tx_cnt <= 0)
3348 cur_tx = &sc_if->msk_rdata.msk_tx_ring[cons];
3349 control = le32toh(cur_tx->msk_control);
3350 sc_if->msk_cdata.msk_tx_cnt--;
3351 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3352 if ((control & EOP) == 0)
3354 txd = &sc_if->msk_cdata.msk_txdesc[cons];
3355 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap,
3356 BUS_DMASYNC_POSTWRITE);
3357 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap);
3360 KASSERT(txd->tx_m != NULL, ("%s: freeing NULL mbuf!",
3367 sc_if->msk_cdata.msk_tx_cons = cons;
3368 if (sc_if->msk_cdata.msk_tx_cnt == 0)
3369 sc_if->msk_watchdog_timer = 0;
3370 /* No need to sync LEs as we didn't update LEs. */
3375 msk_tick(void *xsc_if)
3377 struct msk_if_softc *sc_if;
3378 struct mii_data *mii;
3382 MSK_IF_LOCK_ASSERT(sc_if);
3384 mii = device_get_softc(sc_if->msk_miibus);
3387 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0)
3388 msk_miibus_statchg(sc_if->msk_if_dev);
3389 msk_handle_events(sc_if->msk_softc);
3390 msk_watchdog(sc_if);
3391 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
3395 msk_intr_phy(struct msk_if_softc *sc_if)
3399 msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
3400 status = msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
3401 /* Handle FIFO Underrun/Overflow? */
3402 if ((status & PHY_M_IS_FIFO_ERROR))
3403 device_printf(sc_if->msk_if_dev,
3404 "PHY FIFO underrun/overflow.\n");
3408 msk_intr_gmac(struct msk_if_softc *sc_if)
3410 struct msk_softc *sc;
3413 sc = sc_if->msk_softc;
3414 status = CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3416 /* GMAC Rx FIFO overrun. */
3417 if ((status & GM_IS_RX_FF_OR) != 0)
3418 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
3420 /* GMAC Tx FIFO underrun. */
3421 if ((status & GM_IS_TX_FF_UR) != 0) {
3422 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3424 device_printf(sc_if->msk_if_dev, "Tx FIFO underrun!\n");
3427 * In case of Tx underrun, we may need to flush/reset
3428 * Tx MAC but that would also require resynchronization
3429 * with status LEs. Reinitializing status LEs would
3430 * affect other port in dual MAC configuration so it
3431 * should be avoided as possible as we can.
3432 * Due to lack of documentation it's all vague guess but
3433 * it needs more investigation.
3439 msk_handle_hwerr(struct msk_if_softc *sc_if, uint32_t status)
3441 struct msk_softc *sc;
3443 sc = sc_if->msk_softc;
3444 if ((status & Y2_IS_PAR_RD1) != 0) {
3445 device_printf(sc_if->msk_if_dev,
3446 "RAM buffer read parity error\n");
3448 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3451 if ((status & Y2_IS_PAR_WR1) != 0) {
3452 device_printf(sc_if->msk_if_dev,
3453 "RAM buffer write parity error\n");
3455 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3458 if ((status & Y2_IS_PAR_MAC1) != 0) {
3459 device_printf(sc_if->msk_if_dev, "Tx MAC parity error\n");
3461 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3464 if ((status & Y2_IS_PAR_RX1) != 0) {
3465 device_printf(sc_if->msk_if_dev, "Rx parity error\n");
3467 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_IRQ_PAR);
3469 if ((status & (Y2_IS_TCP_TXS1 | Y2_IS_TCP_TXA1)) != 0) {
3470 device_printf(sc_if->msk_if_dev, "TCP segmentation error\n");
3472 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_IRQ_TCP);
3477 msk_intr_hwerr(struct msk_softc *sc)
3480 uint32_t tlphead[4];
3482 status = CSR_READ_4(sc, B0_HWE_ISRC);
3483 /* Time Stamp timer overflow. */
3484 if ((status & Y2_IS_TIST_OV) != 0)
3485 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
3486 if ((status & Y2_IS_PCI_NEXP) != 0) {
3488 * PCI Express Error occured which is not described in PEX
3490 * This error is also mapped either to Master Abort(
3491 * Y2_IS_MST_ERR) or Target Abort (Y2_IS_IRQ_STAT) bit and
3492 * can only be cleared there.
3494 device_printf(sc->msk_dev,
3495 "PCI Express protocol violation error\n");
3498 if ((status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) != 0) {
3501 if ((status & Y2_IS_MST_ERR) != 0)
3502 device_printf(sc->msk_dev,
3503 "unexpected IRQ Status error\n");
3505 device_printf(sc->msk_dev,
3506 "unexpected IRQ Master error\n");
3507 /* Reset all bits in the PCI status register. */
3508 v16 = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
3509 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3510 pci_write_config(sc->msk_dev, PCIR_STATUS, v16 |
3511 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
3512 PCIM_STATUS_RTABORT | PCIM_STATUS_MDPERR, 2);
3513 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3516 /* Check for PCI Express Uncorrectable Error. */
3517 if ((status & Y2_IS_PCI_EXP) != 0) {
3521 * On PCI Express bus bridges are called root complexes (RC).
3522 * PCI Express errors are recognized by the root complex too,
3523 * which requests the system to handle the problem. After
3524 * error occurence it may be that no access to the adapter
3525 * may be performed any longer.
3528 v32 = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
3529 if ((v32 & PEX_UNSUP_REQ) != 0) {
3530 /* Ignore unsupported request error. */
3531 device_printf(sc->msk_dev,
3532 "Uncorrectable PCI Express error\n");
3534 if ((v32 & (PEX_FATAL_ERRORS | PEX_POIS_TLP)) != 0) {
3537 /* Get TLP header form Log Registers. */
3538 for (i = 0; i < 4; i++)
3539 tlphead[i] = CSR_PCI_READ_4(sc,
3540 PEX_HEADER_LOG + i * 4);
3541 /* Check for vendor defined broadcast message. */
3542 if (!(tlphead[0] == 0x73004001 && tlphead[1] == 0x7f)) {
3543 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
3544 CSR_WRITE_4(sc, B0_HWE_IMSK,
3545 sc->msk_intrhwemask);
3546 CSR_READ_4(sc, B0_HWE_IMSK);
3549 /* Clear the interrupt. */
3550 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3551 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
3552 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3555 if ((status & Y2_HWE_L1_MASK) != 0 && sc->msk_if[MSK_PORT_A] != NULL)
3556 msk_handle_hwerr(sc->msk_if[MSK_PORT_A], status);
3557 if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL)
3558 msk_handle_hwerr(sc->msk_if[MSK_PORT_B], status >> 8);
3561 static __inline void
3562 msk_rxput(struct msk_if_softc *sc_if)
3564 struct msk_softc *sc;
3566 sc = sc_if->msk_softc;
3567 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN))
3569 sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
3570 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
3571 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3574 sc_if->msk_cdata.msk_rx_ring_tag,
3575 sc_if->msk_cdata.msk_rx_ring_map,
3576 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3577 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq,
3578 PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod);
3582 msk_handle_events(struct msk_softc *sc)
3584 struct msk_if_softc *sc_if;
3586 struct msk_stat_desc *sd;
3587 uint32_t control, status;
3588 int cons, len, port, rxprog;
3590 if (sc->msk_stat_cons == CSR_READ_2(sc, STAT_PUT_IDX))
3593 /* Sync status LEs. */
3594 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
3595 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3597 rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0;
3599 cons = sc->msk_stat_cons;
3601 sd = &sc->msk_stat_ring[cons];
3602 control = le32toh(sd->msk_control);
3603 if ((control & HW_OWNER) == 0)
3605 control &= ~HW_OWNER;
3606 sd->msk_control = htole32(control);
3607 status = le32toh(sd->msk_status);
3608 len = control & STLE_LEN_MASK;
3609 port = (control >> 16) & 0x01;
3610 sc_if = sc->msk_if[port];
3611 if (sc_if == NULL) {
3612 device_printf(sc->msk_dev, "invalid port opcode "
3613 "0x%08x\n", control & STLE_OP_MASK);
3617 switch (control & STLE_OP_MASK) {
3619 sc_if->msk_vtag = ntohs(len);
3622 sc_if->msk_vtag = ntohs(len);
3625 sc_if->msk_csum = status;
3628 if (!(sc_if->msk_ifp->if_drv_flags & IFF_DRV_RUNNING))
3630 if (sc_if->msk_framesize >
3631 (MCLBYTES - MSK_RX_BUF_ALIGN))
3632 msk_jumbo_rxeof(sc_if, status, control, len);
3634 msk_rxeof(sc_if, status, control, len);
3637 * Because there is no way to sync single Rx LE
3638 * put the DMA sync operation off until the end of
3642 /* Update prefetch unit if we've passed water mark. */
3643 if (rxput[port] >= sc_if->msk_cdata.msk_rx_putwm) {
3649 if (sc->msk_if[MSK_PORT_A] != NULL)
3650 msk_txeof(sc->msk_if[MSK_PORT_A],
3651 status & STLE_TXA1_MSKL);
3652 if (sc->msk_if[MSK_PORT_B] != NULL)
3653 msk_txeof(sc->msk_if[MSK_PORT_B],
3654 ((status & STLE_TXA2_MSKL) >>
3656 ((len & STLE_TXA2_MSKH) <<
3660 device_printf(sc->msk_dev, "unhandled opcode 0x%08x\n",
3661 control & STLE_OP_MASK);
3664 MSK_INC(cons, sc->msk_stat_count);
3665 if (rxprog > sc->msk_process_limit)
3669 sc->msk_stat_cons = cons;
3670 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
3671 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3673 if (rxput[MSK_PORT_A] > 0)
3674 msk_rxput(sc->msk_if[MSK_PORT_A]);
3675 if (rxput[MSK_PORT_B] > 0)
3676 msk_rxput(sc->msk_if[MSK_PORT_B]);
3678 return (sc->msk_stat_cons != CSR_READ_2(sc, STAT_PUT_IDX));
3684 struct msk_softc *sc;
3685 struct msk_if_softc *sc_if0, *sc_if1;
3686 struct ifnet *ifp0, *ifp1;
3693 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */
3694 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2);
3695 if (status == 0 || status == 0xffffffff ||
3696 (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 ||
3697 (status & sc->msk_intrmask) == 0) {
3698 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3703 sc_if0 = sc->msk_if[MSK_PORT_A];
3704 sc_if1 = sc->msk_if[MSK_PORT_B];
3707 ifp0 = sc_if0->msk_ifp;
3709 ifp1 = sc_if1->msk_ifp;
3711 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL)
3712 msk_intr_phy(sc_if0);
3713 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL)
3714 msk_intr_phy(sc_if1);
3715 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL)
3716 msk_intr_gmac(sc_if0);
3717 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL)
3718 msk_intr_gmac(sc_if1);
3719 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) {
3720 device_printf(sc->msk_dev, "Rx descriptor error\n");
3721 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2);
3722 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3723 CSR_READ_4(sc, B0_IMSK);
3725 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) {
3726 device_printf(sc->msk_dev, "Tx descriptor error\n");
3727 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2);
3728 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3729 CSR_READ_4(sc, B0_IMSK);
3731 if ((status & Y2_IS_HW_ERR) != 0)
3734 domore = msk_handle_events(sc);
3735 if ((status & Y2_IS_STAT_BMU) != 0 && domore == 0)
3736 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ);
3738 /* Reenable interrupts. */
3739 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3741 if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
3742 !IFQ_DRV_IS_EMPTY(&ifp0->if_snd))
3743 msk_start_locked(ifp0);
3744 if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
3745 !IFQ_DRV_IS_EMPTY(&ifp1->if_snd))
3746 msk_start_locked(ifp1);
3752 msk_set_tx_stfwd(struct msk_if_softc *sc_if)
3754 struct msk_softc *sc;
3757 ifp = sc_if->msk_ifp;
3758 sc = sc_if->msk_softc;
3759 if ((sc->msk_hw_id == CHIP_ID_YUKON_EX &&
3760 sc->msk_hw_rev != CHIP_REV_YU_EX_A0) ||
3761 sc->msk_hw_id >= CHIP_ID_YUKON_SUPR) {
3762 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3765 if (ifp->if_mtu > ETHERMTU) {
3766 /* Set Tx GMAC FIFO Almost Empty Threshold. */
3768 MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR),
3769 MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR);
3770 /* Disable Store & Forward mode for Tx. */
3771 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3774 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3783 struct msk_if_softc *sc_if = xsc;
3786 msk_init_locked(sc_if);
3787 MSK_IF_UNLOCK(sc_if);
3791 msk_init_locked(struct msk_if_softc *sc_if)
3793 struct msk_softc *sc;
3795 struct mii_data *mii;
3801 MSK_IF_LOCK_ASSERT(sc_if);
3803 ifp = sc_if->msk_ifp;
3804 sc = sc_if->msk_softc;
3805 mii = device_get_softc(sc_if->msk_miibus);
3807 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
3811 /* Cancel pending I/O and free all Rx/Tx buffers. */
3814 if (ifp->if_mtu < ETHERMTU)
3815 sc_if->msk_framesize = ETHERMTU;
3817 sc_if->msk_framesize = ifp->if_mtu;
3818 sc_if->msk_framesize += ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
3819 if (ifp->if_mtu > ETHERMTU &&
3820 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
3821 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
3822 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
3825 /* GMAC Control reset. */
3826 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_SET);
3827 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_CLR);
3828 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_F_LOOPB_OFF);
3829 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
3830 sc->msk_hw_id == CHIP_ID_YUKON_SUPR)
3831 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL),
3832 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
3836 * Initialize GMAC first such that speed/duplex/flow-control
3837 * parameters are renegotiated when interface is brought up.
3839 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, 0);
3841 /* Dummy read the Interrupt Source Register. */
3842 CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3844 /* Clear MIB stats. */
3845 msk_stats_clear(sc_if);
3848 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, GM_RXCR_CRC_DIS);
3850 /* Setup Transmit Control Register. */
3851 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF));
3853 /* Setup Transmit Flow Control Register. */
3854 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_FLOW_CTRL, 0xffff);
3856 /* Setup Transmit Parameter Register. */
3857 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_PARAM,
3858 TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) |
3859 TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF));
3861 gmac = DATA_BLIND_VAL(DATA_BLIND_DEF) |
3862 GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
3864 if (ifp->if_mtu > ETHERMTU)
3865 gmac |= GM_SMOD_JUMBO_ENA;
3866 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac);
3868 /* Set station address. */
3869 eaddr = IF_LLADDR(ifp);
3870 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L,
3871 eaddr[0] | (eaddr[1] << 8));
3872 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1M,
3873 eaddr[2] | (eaddr[3] << 8));
3874 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1H,
3875 eaddr[4] | (eaddr[5] << 8));
3876 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L,
3877 eaddr[0] | (eaddr[1] << 8));
3878 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2M,
3879 eaddr[2] | (eaddr[3] << 8));
3880 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2H,
3881 eaddr[4] | (eaddr[5] << 8));
3883 /* Disable interrupts for counter overflows. */
3884 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_IRQ_MSK, 0);
3885 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_IRQ_MSK, 0);
3886 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TR_IRQ_MSK, 0);
3888 /* Configure Rx MAC FIFO. */
3889 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
3890 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR);
3891 reg = GMF_OPER_ON | GMF_RX_F_FL_ON;
3892 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P ||
3893 sc->msk_hw_id == CHIP_ID_YUKON_EX)
3894 reg |= GMF_RX_OVER_ON;
3895 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), reg);
3897 /* Set receive filter. */
3898 msk_rxfilter(sc_if);
3900 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
3901 /* Clear flush mask - HW bug. */
3902 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 0);
3904 /* Flush Rx MAC FIFO on any flow control or error. */
3905 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK),
3910 * Set Rx FIFO flush threshold to 64 bytes + 1 FIFO word
3911 * due to hardware hang on receipt of pause frames.
3913 reg = RX_GMF_FL_THR_DEF + 1;
3914 /* Another magic for Yukon FE+ - From Linux. */
3915 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3916 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0)
3918 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), reg);
3920 /* Configure Tx MAC FIFO. */
3921 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
3922 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR);
3923 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_OPER_ON);
3925 /* Configure hardware VLAN tag insertion/stripping. */
3926 msk_setvlan(sc_if, ifp);
3928 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) {
3929 /* Set Rx Pause threshold. */
3930 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR),
3932 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR),
3934 /* Configure store-and-forward for Tx. */
3935 msk_set_tx_stfwd(sc_if);
3938 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3939 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
3940 /* Disable dynamic watermark - from Linux. */
3941 reg = CSR_READ_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA));
3943 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA), reg);
3947 * Disable Force Sync bit and Alloc bit in Tx RAM interface
3948 * arbiter as we don't use Sync Tx queue.
3950 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL),
3951 TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
3952 /* Enable the RAM Interface Arbiter. */
3953 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_ENA_ARB);
3955 /* Setup RAM buffer. */
3956 msk_set_rambuffer(sc_if);
3958 /* Disable Tx sync Queue. */
3959 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txsq, RB_CTRL), RB_RST_SET);
3961 /* Setup Tx Queue Bus Memory Interface. */
3962 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_RESET);
3963 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_OPER_INIT);
3964 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_FIFO_OP_ON);
3965 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_WM), MSK_BMU_TX_WM);
3966 switch (sc->msk_hw_id) {
3967 case CHIP_ID_YUKON_EC_U:
3968 if (sc->msk_hw_rev == CHIP_REV_YU_EC_U_A0) {
3969 /* Fix for Yukon-EC Ultra: set BMU FIFO level */
3970 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_AL),
3974 case CHIP_ID_YUKON_EX:
3976 * Yukon Extreme seems to have silicon bug for
3977 * automatic Tx checksum calculation capability.
3979 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
3980 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_F),
3985 /* Setup Rx Queue Bus Memory Interface. */
3986 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_RESET);
3987 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_OPER_INIT);
3988 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_FIFO_OP_ON);
3989 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_rxq, Q_WM), MSK_BMU_RX_WM);
3990 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U &&
3991 sc->msk_hw_rev >= CHIP_REV_YU_EC_U_A1) {
3992 /* MAC Rx RAM Read is controlled by hardware. */
3993 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_F), F_M_RX_RAM_DIS);
3996 msk_set_prefetch(sc, sc_if->msk_txq,
3997 sc_if->msk_rdata.msk_tx_ring_paddr, MSK_TX_RING_CNT - 1);
3998 msk_init_tx_ring(sc_if);
4000 /* Disable Rx checksum offload and RSS hash. */
4001 reg = BMU_DIS_RX_RSS_HASH;
4002 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
4003 (ifp->if_capenable & IFCAP_RXCSUM) != 0)
4004 reg |= BMU_ENA_RX_CHKSUM;
4006 reg |= BMU_DIS_RX_CHKSUM;
4007 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), reg);
4008 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) {
4009 msk_set_prefetch(sc, sc_if->msk_rxq,
4010 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr,
4011 MSK_JUMBO_RX_RING_CNT - 1);
4012 error = msk_init_jumbo_rx_ring(sc_if);
4014 msk_set_prefetch(sc, sc_if->msk_rxq,
4015 sc_if->msk_rdata.msk_rx_ring_paddr,
4016 MSK_RX_RING_CNT - 1);
4017 error = msk_init_rx_ring(sc_if);
4020 device_printf(sc_if->msk_if_dev,
4021 "initialization failed: no memory for Rx buffers\n");
4025 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
4026 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
4027 /* Disable flushing of non-ASF packets. */
4028 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
4029 GMF_RX_MACSEC_FLUSH_OFF);
4032 /* Configure interrupt handling. */
4033 if (sc_if->msk_port == MSK_PORT_A) {
4034 sc->msk_intrmask |= Y2_IS_PORT_A;
4035 sc->msk_intrhwemask |= Y2_HWE_L1_MASK;
4037 sc->msk_intrmask |= Y2_IS_PORT_B;
4038 sc->msk_intrhwemask |= Y2_HWE_L2_MASK;
4040 /* Configure IRQ moderation mask. */
4041 CSR_WRITE_4(sc, B2_IRQM_MSK, sc->msk_intrmask);
4042 if (sc->msk_int_holdoff > 0) {
4043 /* Configure initial IRQ moderation timer value. */
4044 CSR_WRITE_4(sc, B2_IRQM_INI,
4045 MSK_USECS(sc, sc->msk_int_holdoff));
4046 CSR_WRITE_4(sc, B2_IRQM_VAL,
4047 MSK_USECS(sc, sc->msk_int_holdoff));
4048 /* Start IRQ moderation. */
4049 CSR_WRITE_1(sc, B2_IRQM_CTRL, TIM_START);
4051 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
4052 CSR_READ_4(sc, B0_HWE_IMSK);
4053 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
4054 CSR_READ_4(sc, B0_IMSK);
4056 sc_if->msk_flags &= ~MSK_FLAG_LINK;
4059 ifp->if_drv_flags |= IFF_DRV_RUNNING;
4060 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4062 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
4066 msk_set_rambuffer(struct msk_if_softc *sc_if)
4068 struct msk_softc *sc;
4071 sc = sc_if->msk_softc;
4072 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
4075 /* Setup Rx Queue. */
4076 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_CLR);
4077 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_START),
4078 sc->msk_rxqstart[sc_if->msk_port] / 8);
4079 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_END),
4080 sc->msk_rxqend[sc_if->msk_port] / 8);
4081 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_WP),
4082 sc->msk_rxqstart[sc_if->msk_port] / 8);
4083 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RP),
4084 sc->msk_rxqstart[sc_if->msk_port] / 8);
4086 utpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
4087 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_ULPP) / 8;
4088 ltpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
4089 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_LLPP_B) / 8;
4090 if (sc->msk_rxqsize < MSK_MIN_RXQ_SIZE)
4091 ltpp += (MSK_RB_LLPP_B - MSK_RB_LLPP_S) / 8;
4092 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_UTPP), utpp);
4093 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_LTPP), ltpp);
4094 /* Set Rx priority(RB_RX_UTHP/RB_RX_LTHP) thresholds? */
4096 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_ENA_OP_MD);
4097 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL));
4099 /* Setup Tx Queue. */
4100 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_CLR);
4101 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_START),
4102 sc->msk_txqstart[sc_if->msk_port] / 8);
4103 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_END),
4104 sc->msk_txqend[sc_if->msk_port] / 8);
4105 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_WP),
4106 sc->msk_txqstart[sc_if->msk_port] / 8);
4107 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_RP),
4108 sc->msk_txqstart[sc_if->msk_port] / 8);
4109 /* Enable Store & Forward for Tx side. */
4110 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_STFWD);
4111 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_OP_MD);
4112 CSR_READ_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL));
4116 msk_set_prefetch(struct msk_softc *sc, int qaddr, bus_addr_t addr,
4120 /* Reset the prefetch unit. */
4121 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4123 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4125 /* Set LE base address. */
4126 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_LOW_REG),
4128 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_HI_REG),
4130 /* Set the list last index. */
4131 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_LAST_IDX_REG),
4133 /* Turn on prefetch unit. */
4134 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4136 /* Dummy read to ensure write. */
4137 CSR_READ_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG));
4141 msk_stop(struct msk_if_softc *sc_if)
4143 struct msk_softc *sc;
4144 struct msk_txdesc *txd;
4145 struct msk_rxdesc *rxd;
4146 struct msk_rxdesc *jrxd;
4151 MSK_IF_LOCK_ASSERT(sc_if);
4152 sc = sc_if->msk_softc;
4153 ifp = sc_if->msk_ifp;
4155 callout_stop(&sc_if->msk_tick_ch);
4156 sc_if->msk_watchdog_timer = 0;
4158 /* Disable interrupts. */
4159 if (sc_if->msk_port == MSK_PORT_A) {
4160 sc->msk_intrmask &= ~Y2_IS_PORT_A;
4161 sc->msk_intrhwemask &= ~Y2_HWE_L1_MASK;
4163 sc->msk_intrmask &= ~Y2_IS_PORT_B;
4164 sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK;
4166 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
4167 CSR_READ_4(sc, B0_HWE_IMSK);
4168 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
4169 CSR_READ_4(sc, B0_IMSK);
4171 /* Disable Tx/Rx MAC. */
4172 val = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
4173 val &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
4174 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, val);
4175 /* Read again to ensure writing. */
4176 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
4177 /* Update stats and clear counters. */
4178 msk_stats_update(sc_if);
4181 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP);
4182 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
4183 for (i = 0; i < MSK_TIMEOUT; i++) {
4184 if ((val & (BMU_STOP | BMU_IDLE)) == 0) {
4185 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
4187 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
4192 if (i == MSK_TIMEOUT)
4193 device_printf(sc_if->msk_if_dev, "Tx BMU stop failed\n");
4194 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL),
4195 RB_RST_SET | RB_DIS_OP_MD);
4197 /* Disable all GMAC interrupt. */
4198 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 0);
4199 /* Disable PHY interrupt. */
4200 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
4202 /* Disable the RAM Interface Arbiter. */
4203 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_ARB);
4205 /* Reset the PCI FIFO of the async Tx queue */
4206 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
4207 BMU_RST_SET | BMU_FIFO_RST);
4209 /* Reset the Tx prefetch units. */
4210 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_CTRL_REG),
4213 /* Reset the RAM Buffer async Tx queue. */
4214 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET);
4216 /* Reset Tx MAC FIFO. */
4217 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
4218 /* Set Pause Off. */
4219 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_PAUSE_OFF);
4222 * The Rx Stop command will not work for Yukon-2 if the BMU does not
4223 * reach the end of packet and since we can't make sure that we have
4224 * incoming data, we must reset the BMU while it is not during a DMA
4225 * transfer. Since it is possible that the Rx path is still active,
4226 * the Rx RAM buffer will be stopped first, so any possible incoming
4227 * data will not trigger a DMA. After the RAM buffer is stopped, the
4228 * BMU is polled until any DMA in progress is ended and only then it
4232 /* Disable the RAM Buffer receive queue. */
4233 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_DIS_OP_MD);
4234 for (i = 0; i < MSK_TIMEOUT; i++) {
4235 if (CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RSL)) ==
4236 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RL)))
4240 if (i == MSK_TIMEOUT)
4241 device_printf(sc_if->msk_if_dev, "Rx BMU stop failed\n");
4242 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR),
4243 BMU_RST_SET | BMU_FIFO_RST);
4244 /* Reset the Rx prefetch unit. */
4245 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_CTRL_REG),
4247 /* Reset the RAM Buffer receive queue. */
4248 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_SET);
4249 /* Reset Rx MAC FIFO. */
4250 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
4252 /* Free Rx and Tx mbufs still in the queues. */
4253 for (i = 0; i < MSK_RX_RING_CNT; i++) {
4254 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
4255 if (rxd->rx_m != NULL) {
4256 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag,
4257 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
4258 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag,
4264 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
4265 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
4266 if (jrxd->rx_m != NULL) {
4267 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
4268 jrxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
4269 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
4271 m_freem(jrxd->rx_m);
4275 for (i = 0; i < MSK_TX_RING_CNT; i++) {
4276 txd = &sc_if->msk_cdata.msk_txdesc[i];
4277 if (txd->tx_m != NULL) {
4278 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag,
4279 txd->tx_dmamap, BUS_DMASYNC_POSTWRITE);
4280 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag,
4288 * Mark the interface down.
4290 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
4291 sc_if->msk_flags &= ~MSK_FLAG_LINK;
4295 * When GM_PAR_MIB_CLR bit of GM_PHY_ADDR is set, reading lower
4296 * counter clears high 16 bits of the counter such that accessing
4297 * lower 16 bits should be the last operation.
4299 #define MSK_READ_MIB32(x, y) \
4300 (((uint32_t)GMAC_READ_2(sc, x, (y) + 4)) << 16) + \
4301 (uint32_t)GMAC_READ_2(sc, x, y)
4302 #define MSK_READ_MIB64(x, y) \
4303 (((uint64_t)MSK_READ_MIB32(x, (y) + 8)) << 32) + \
4304 (uint64_t)MSK_READ_MIB32(x, y)
4307 msk_stats_clear(struct msk_if_softc *sc_if)
4309 struct msk_softc *sc;
4314 MSK_IF_LOCK_ASSERT(sc_if);
4316 sc = sc_if->msk_softc;
4317 /* Set MIB Clear Counter Mode. */
4318 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
4319 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
4320 /* Read all MIB Counters with Clear Mode set. */
4321 for (i = GM_RXF_UC_OK; i <= GM_TXE_FIFO_UR; i += sizeof(uint32_t))
4322 reg = MSK_READ_MIB32(sc_if->msk_port, i);
4323 /* Clear MIB Clear Counter Mode. */
4324 gmac &= ~GM_PAR_MIB_CLR;
4325 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
4329 msk_stats_update(struct msk_if_softc *sc_if)
4331 struct msk_softc *sc;
4333 struct msk_hw_stats *stats;
4337 MSK_IF_LOCK_ASSERT(sc_if);
4339 ifp = sc_if->msk_ifp;
4340 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
4342 sc = sc_if->msk_softc;
4343 stats = &sc_if->msk_stats;
4344 /* Set MIB Clear Counter Mode. */
4345 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
4346 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
4349 stats->rx_ucast_frames +=
4350 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_UC_OK);
4351 stats->rx_bcast_frames +=
4352 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_BC_OK);
4353 stats->rx_pause_frames +=
4354 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MPAUSE);
4355 stats->rx_mcast_frames +=
4356 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MC_OK);
4357 stats->rx_crc_errs +=
4358 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_FCS_ERR);
4359 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE1);
4360 stats->rx_good_octets +=
4361 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_OK_LO);
4362 stats->rx_bad_octets +=
4363 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_ERR_LO);
4365 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SHT);
4366 stats->rx_runt_errs +=
4367 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FRAG);
4368 stats->rx_pkts_64 +=
4369 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_64B);
4370 stats->rx_pkts_65_127 +=
4371 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_127B);
4372 stats->rx_pkts_128_255 +=
4373 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_255B);
4374 stats->rx_pkts_256_511 +=
4375 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_511B);
4376 stats->rx_pkts_512_1023 +=
4377 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1023B);
4378 stats->rx_pkts_1024_1518 +=
4379 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1518B);
4380 stats->rx_pkts_1519_max +=
4381 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MAX_SZ);
4382 stats->rx_pkts_too_long +=
4383 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_LNG_ERR);
4384 stats->rx_pkts_jabbers +=
4385 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_JAB_PKT);
4386 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE2);
4387 stats->rx_fifo_oflows +=
4388 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FIFO_OV);
4389 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE3);
4392 stats->tx_ucast_frames +=
4393 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_UC_OK);
4394 stats->tx_bcast_frames +=
4395 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_BC_OK);
4396 stats->tx_pause_frames +=
4397 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MPAUSE);
4398 stats->tx_mcast_frames +=
4399 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MC_OK);
4401 MSK_READ_MIB64(sc_if->msk_port, GM_TXO_OK_LO);
4402 stats->tx_pkts_64 +=
4403 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_64B);
4404 stats->tx_pkts_65_127 +=
4405 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_127B);
4406 stats->tx_pkts_128_255 +=
4407 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_255B);
4408 stats->tx_pkts_256_511 +=
4409 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_511B);
4410 stats->tx_pkts_512_1023 +=
4411 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1023B);
4412 stats->tx_pkts_1024_1518 +=
4413 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1518B);
4414 stats->tx_pkts_1519_max +=
4415 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MAX_SZ);
4416 reg = MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SPARE1);
4418 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_COL);
4419 stats->tx_late_colls +=
4420 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_LAT_COL);
4421 stats->tx_excess_colls +=
4422 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_ABO_COL);
4423 stats->tx_multi_colls +=
4424 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MUL_COL);
4425 stats->tx_single_colls +=
4426 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SNG_COL);
4427 stats->tx_underflows +=
4428 MSK_READ_MIB32(sc_if->msk_port, GM_TXE_FIFO_UR);
4429 /* Clear MIB Clear Counter Mode. */
4430 gmac &= ~GM_PAR_MIB_CLR;
4431 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
4435 msk_sysctl_stat32(SYSCTL_HANDLER_ARGS)
4437 struct msk_softc *sc;
4438 struct msk_if_softc *sc_if;
4439 uint32_t result, *stat;
4442 sc_if = (struct msk_if_softc *)arg1;
4443 sc = sc_if->msk_softc;
4445 stat = (uint32_t *)((uint8_t *)&sc_if->msk_stats + off);
4448 result = MSK_READ_MIB32(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
4450 MSK_IF_UNLOCK(sc_if);
4452 return (sysctl_handle_int(oidp, &result, 0, req));
4456 msk_sysctl_stat64(SYSCTL_HANDLER_ARGS)
4458 struct msk_softc *sc;
4459 struct msk_if_softc *sc_if;
4460 uint64_t result, *stat;
4463 sc_if = (struct msk_if_softc *)arg1;
4464 sc = sc_if->msk_softc;
4466 stat = (uint64_t *)((uint8_t *)&sc_if->msk_stats + off);
4469 result = MSK_READ_MIB64(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
4471 MSK_IF_UNLOCK(sc_if);
4473 return (sysctl_handle_64(oidp, &result, 0, req));
4476 #undef MSK_READ_MIB32
4477 #undef MSK_READ_MIB64
4479 #define MSK_SYSCTL_STAT32(sc, c, o, p, n, d) \
4480 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \
4481 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat32, \
4483 #define MSK_SYSCTL_STAT64(sc, c, o, p, n, d) \
4484 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_U64 | CTLFLAG_RD, \
4485 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat64, \
4489 msk_sysctl_node(struct msk_if_softc *sc_if)
4491 struct sysctl_ctx_list *ctx;
4492 struct sysctl_oid_list *child, *schild;
4493 struct sysctl_oid *tree;
4495 ctx = device_get_sysctl_ctx(sc_if->msk_if_dev);
4496 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc_if->msk_if_dev));
4498 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
4499 NULL, "MSK Statistics");
4500 schild = child = SYSCTL_CHILDREN(tree);
4501 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "rx", CTLFLAG_RD,
4502 NULL, "MSK RX Statistics");
4503 child = SYSCTL_CHILDREN(tree);
4504 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
4505 child, rx_ucast_frames, "Good unicast frames");
4506 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
4507 child, rx_bcast_frames, "Good broadcast frames");
4508 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
4509 child, rx_pause_frames, "Pause frames");
4510 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
4511 child, rx_mcast_frames, "Multicast frames");
4512 MSK_SYSCTL_STAT32(sc_if, ctx, "crc_errs",
4513 child, rx_crc_errs, "CRC errors");
4514 MSK_SYSCTL_STAT64(sc_if, ctx, "good_octets",
4515 child, rx_good_octets, "Good octets");
4516 MSK_SYSCTL_STAT64(sc_if, ctx, "bad_octets",
4517 child, rx_bad_octets, "Bad octets");
4518 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
4519 child, rx_pkts_64, "64 bytes frames");
4520 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
4521 child, rx_pkts_65_127, "65 to 127 bytes frames");
4522 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
4523 child, rx_pkts_128_255, "128 to 255 bytes frames");
4524 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
4525 child, rx_pkts_256_511, "256 to 511 bytes frames");
4526 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
4527 child, rx_pkts_512_1023, "512 to 1023 bytes frames");
4528 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
4529 child, rx_pkts_1024_1518, "1024 to 1518 bytes frames");
4530 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
4531 child, rx_pkts_1519_max, "1519 to max frames");
4532 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_too_long",
4533 child, rx_pkts_too_long, "frames too long");
4534 MSK_SYSCTL_STAT32(sc_if, ctx, "jabbers",
4535 child, rx_pkts_jabbers, "Jabber errors");
4536 MSK_SYSCTL_STAT32(sc_if, ctx, "overflows",
4537 child, rx_fifo_oflows, "FIFO overflows");
4539 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "tx", CTLFLAG_RD,
4540 NULL, "MSK TX Statistics");
4541 child = SYSCTL_CHILDREN(tree);
4542 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
4543 child, tx_ucast_frames, "Unicast frames");
4544 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
4545 child, tx_bcast_frames, "Broadcast frames");
4546 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
4547 child, tx_pause_frames, "Pause frames");
4548 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
4549 child, tx_mcast_frames, "Multicast frames");
4550 MSK_SYSCTL_STAT64(sc_if, ctx, "octets",
4551 child, tx_octets, "Octets");
4552 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
4553 child, tx_pkts_64, "64 bytes frames");
4554 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
4555 child, tx_pkts_65_127, "65 to 127 bytes frames");
4556 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
4557 child, tx_pkts_128_255, "128 to 255 bytes frames");
4558 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
4559 child, tx_pkts_256_511, "256 to 511 bytes frames");
4560 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
4561 child, tx_pkts_512_1023, "512 to 1023 bytes frames");
4562 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
4563 child, tx_pkts_1024_1518, "1024 to 1518 bytes frames");
4564 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
4565 child, tx_pkts_1519_max, "1519 to max frames");
4566 MSK_SYSCTL_STAT32(sc_if, ctx, "colls",
4567 child, tx_colls, "Collisions");
4568 MSK_SYSCTL_STAT32(sc_if, ctx, "late_colls",
4569 child, tx_late_colls, "Late collisions");
4570 MSK_SYSCTL_STAT32(sc_if, ctx, "excess_colls",
4571 child, tx_excess_colls, "Excessive collisions");
4572 MSK_SYSCTL_STAT32(sc_if, ctx, "multi_colls",
4573 child, tx_multi_colls, "Multiple collisions");
4574 MSK_SYSCTL_STAT32(sc_if, ctx, "single_colls",
4575 child, tx_single_colls, "Single collisions");
4576 MSK_SYSCTL_STAT32(sc_if, ctx, "underflows",
4577 child, tx_underflows, "FIFO underflows");
4580 #undef MSK_SYSCTL_STAT32
4581 #undef MSK_SYSCTL_STAT64
4584 sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high)
4590 value = *(int *)arg1;
4591 error = sysctl_handle_int(oidp, &value, 0, req);
4592 if (error || !req->newptr)
4594 if (value < low || value > high)
4596 *(int *)arg1 = value;
4602 sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS)
4605 return (sysctl_int_range(oidp, arg1, arg2, req, MSK_PROC_MIN,