2 * Copyright (c) 2003 Stuart Walsh<stu@ipng.org.uk>
3 * and Duncan Barclay<dmlb@dmlb.org>
4 * Modifications for FreeBSD-stable by Edwin Groothuis
5 * <edwin at mavetju.org
6 * < http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS 'AS IS' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * $FreeBSD: src/sys/dev/bfe/if_bfe.c 1.4.4.7 2004/03/02 08:41:33 julian Exp v
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/sockio.h>
38 #include <sys/malloc.h>
39 #include <sys/interrupt.h>
40 #include <sys/kernel.h>
41 #include <sys/socket.h>
42 #include <sys/queue.h>
45 #include <sys/thread2.h>
48 #include <net/ifq_var.h>
49 #include <net/if_arp.h>
50 #include <net/ethernet.h>
51 #include <net/if_dl.h>
52 #include <net/if_media.h>
56 #include <net/if_types.h>
57 #include <net/vlan/if_vlan_var.h>
59 #include <netinet/in_systm.h>
60 #include <netinet/in.h>
61 #include <netinet/ip.h>
63 #include <bus/pci/pcireg.h>
64 #include <bus/pci/pcivar.h>
65 #include <bus/pci/pcidevs.h>
67 #include <dev/netif/mii_layer/mii.h>
68 #include <dev/netif/mii_layer/miivar.h>
70 #include <dev/netif/bfe/if_bfereg.h>
72 MODULE_DEPEND(bfe, pci, 1, 1, 1);
73 MODULE_DEPEND(bfe, miibus, 1, 1, 1);
75 /* "controller miibus0" required. See GENERIC if you get errors here. */
76 #include "miibus_if.h"
78 #define BFE_DEVDESC_MAX 64 /* Maximum device description length */
80 static struct bfe_type bfe_devs[] = {
81 { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4401,
82 "Broadcom BCM4401 Fast Ethernet" },
83 { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4401B0,
84 "Broadcom BCM4401-B0 Fast Ethernet" },
85 { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM4402,
86 "Broadcom BCM4402 Fast Ethernet" },
90 static int bfe_probe(device_t);
91 static int bfe_attach(device_t);
92 static int bfe_detach(device_t);
93 static void bfe_intr(void *);
94 static void bfe_start(struct ifnet *);
95 static int bfe_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
96 static void bfe_init(void *);
97 static void bfe_stop(struct bfe_softc *);
98 static void bfe_watchdog(struct ifnet *);
99 static void bfe_shutdown(device_t);
100 static void bfe_tick(void *);
101 static void bfe_txeof(struct bfe_softc *);
102 static void bfe_rxeof(struct bfe_softc *);
103 static void bfe_set_rx_mode(struct bfe_softc *);
104 static int bfe_list_rx_init(struct bfe_softc *);
105 static int bfe_newbuf(struct bfe_softc *, int, int);
106 static void bfe_setup_rxdesc(struct bfe_softc *, int);
107 static void bfe_rx_ring_free(struct bfe_softc *);
109 static void bfe_pci_setup(struct bfe_softc *, uint32_t);
110 static int bfe_ifmedia_upd(struct ifnet *);
111 static void bfe_ifmedia_sts(struct ifnet *, struct ifmediareq *);
112 static int bfe_miibus_readreg(device_t, int, int);
113 static int bfe_miibus_writereg(device_t, int, int, int);
114 static int bfe_wait_bit(struct bfe_softc *, uint32_t, uint32_t,
116 static void bfe_get_config(struct bfe_softc *sc);
117 static void bfe_read_eeprom(struct bfe_softc *, uint8_t *);
118 static void bfe_stats_update(struct bfe_softc *);
119 static void bfe_clear_stats (struct bfe_softc *);
120 static int bfe_readphy(struct bfe_softc *, uint32_t, uint32_t*);
121 static int bfe_writephy(struct bfe_softc *, uint32_t, uint32_t);
122 static int bfe_resetphy(struct bfe_softc *);
123 static int bfe_setupphy(struct bfe_softc *);
124 static void bfe_chip_reset(struct bfe_softc *);
125 static void bfe_chip_halt(struct bfe_softc *);
126 static void bfe_core_reset(struct bfe_softc *);
127 static void bfe_core_disable(struct bfe_softc *);
128 static int bfe_dma_alloc(device_t);
129 static void bfe_dma_free(struct bfe_softc *);
130 static void bfe_cam_write(struct bfe_softc *, u_char *, int);
132 static device_method_t bfe_methods[] = {
133 /* Device interface */
134 DEVMETHOD(device_probe, bfe_probe),
135 DEVMETHOD(device_attach, bfe_attach),
136 DEVMETHOD(device_detach, bfe_detach),
137 DEVMETHOD(device_shutdown, bfe_shutdown),
140 DEVMETHOD(bus_print_child, bus_generic_print_child),
141 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
144 DEVMETHOD(miibus_readreg, bfe_miibus_readreg),
145 DEVMETHOD(miibus_writereg, bfe_miibus_writereg),
150 static driver_t bfe_driver = {
153 sizeof(struct bfe_softc)
156 static devclass_t bfe_devclass;
158 DRIVER_MODULE(bfe, pci, bfe_driver, bfe_devclass, NULL, NULL);
159 DRIVER_MODULE(miibus, bfe, miibus_driver, miibus_devclass, NULL, NULL);
162 * Probe for a Broadcom 4401 chip.
165 bfe_probe(device_t dev)
168 uint16_t vendor, product;
170 vendor = pci_get_vendor(dev);
171 product = pci_get_device(dev);
173 for (t = bfe_devs; t->bfe_name != NULL; t++) {
174 if (vendor == t->bfe_vid && product == t->bfe_did) {
175 device_set_desc(dev, t->bfe_name);
184 bfe_dma_alloc(device_t dev)
186 struct bfe_softc *sc = device_get_softc(dev);
188 int error, i, tx_pos = 0, rx_pos = 0;
191 * Parent tag. Apparently the chip cannot handle any DMA address
192 * greater than BFE_BUS_SPACE_MAXADDR (1GB).
194 error = bus_dma_tag_create(NULL, /* parent */
195 1, 0, /* alignment, boundary */
196 BFE_BUS_SPACE_MAXADDR, /* lowaddr */
197 BUS_SPACE_MAXADDR, /* highaddr */
198 NULL, NULL, /* filter, filterarg */
199 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
200 0, /* num of segments */
201 BUS_SPACE_MAXSIZE_32BIT, /* max segment size */
203 &sc->bfe_parent_tag);
205 device_printf(dev, "could not allocate parent dma tag\n");
209 /* Allocate TX ring */
210 error = bus_dmamem_coherent(sc->bfe_parent_tag, PAGE_SIZE, 0,
211 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
213 BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmem);
215 device_printf(dev, "could not allocate TX list\n");
218 sc->bfe_tx_tag = dmem.dmem_tag;
219 sc->bfe_tx_map = dmem.dmem_map;
220 sc->bfe_tx_list = dmem.dmem_addr;
221 sc->bfe_tx_dma = dmem.dmem_busaddr;
223 /* Allocate RX ring */
224 error = bus_dmamem_coherent(sc->bfe_parent_tag, PAGE_SIZE, 0,
225 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
227 BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmem);
229 device_printf(dev, "could not allocate RX list\n");
232 sc->bfe_rx_tag = dmem.dmem_tag;
233 sc->bfe_rx_map = dmem.dmem_map;
234 sc->bfe_rx_list = dmem.dmem_addr;
235 sc->bfe_rx_dma = dmem.dmem_busaddr;
237 /* Tag for RX mbufs */
238 error = bus_dma_tag_create(sc->bfe_parent_tag, 1, 0,
239 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
241 MCLBYTES, 1, MCLBYTES,
242 BUS_DMA_ALLOCNOW | BUS_DMA_WAITOK,
245 device_printf(dev, "could not allocate dma tag for RX mbufs\n");
249 error = bus_dmamap_create(sc->bfe_rxbuf_tag, BUS_DMA_WAITOK,
252 device_printf(dev, "could not create RX mbuf tmp map\n");
253 bus_dma_tag_destroy(sc->bfe_rxbuf_tag);
254 sc->bfe_rxbuf_tag = NULL;
258 /* Allocate dma maps for RX list */
259 for (i = 0; i < BFE_RX_LIST_CNT; i++) {
260 error = bus_dmamap_create(sc->bfe_rxbuf_tag, BUS_DMA_WAITOK,
261 &sc->bfe_rx_ring[i].bfe_map);
264 device_printf(dev, "cannot create DMA map for RX\n");
268 rx_pos = BFE_RX_LIST_CNT;
270 /* Tag for TX mbufs */
271 error = bus_dma_tag_create(sc->bfe_parent_tag, 1, 0,
272 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
274 MCLBYTES, BFE_MAXSEGS, MCLBYTES,
275 BUS_DMA_ALLOCNOW | BUS_DMA_WAITOK,
278 device_printf(dev, "could not allocate dma tag for TX mbufs\n");
282 /* Allocate dmamaps for TX list */
283 for (i = 0; i < BFE_TX_LIST_CNT; i++) {
284 error = bus_dmamap_create(sc->bfe_txbuf_tag, BUS_DMA_WAITOK,
285 &sc->bfe_tx_ring[i].bfe_map);
288 device_printf(dev, "cannot create DMA map for TX\n");
296 if (sc->bfe_rxbuf_tag != NULL) {
297 for (i = 0; i < rx_pos; ++i) {
298 bus_dmamap_destroy(sc->bfe_rxbuf_tag,
299 sc->bfe_rx_ring[i].bfe_map);
301 bus_dmamap_destroy(sc->bfe_rxbuf_tag, sc->bfe_rx_tmpmap);
302 bus_dma_tag_destroy(sc->bfe_rxbuf_tag);
303 sc->bfe_rxbuf_tag = NULL;
306 if (sc->bfe_txbuf_tag != NULL) {
307 for (i = 0; i < tx_pos; ++i) {
308 bus_dmamap_destroy(sc->bfe_txbuf_tag,
309 sc->bfe_tx_ring[i].bfe_map);
311 bus_dma_tag_destroy(sc->bfe_txbuf_tag);
312 sc->bfe_txbuf_tag = NULL;
318 bfe_attach(device_t dev)
321 struct bfe_softc *sc;
324 sc = device_get_softc(dev);
327 callout_init(&sc->bfe_stat_timer);
331 * Handle power management nonsense.
333 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
334 uint32_t membase, irq;
336 /* Save important PCI config data. */
337 membase = pci_read_config(dev, BFE_PCI_MEMLO, 4);
338 irq = pci_read_config(dev, BFE_PCI_INTLINE, 4);
340 /* Reset the power state. */
341 device_printf(dev, "chip is in D%d power mode"
342 " -- setting to D0\n", pci_get_powerstate(dev));
344 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
346 /* Restore PCI config data. */
347 pci_write_config(dev, BFE_PCI_MEMLO, membase, 4);
348 pci_write_config(dev, BFE_PCI_INTLINE, irq, 4);
350 #endif /* !BURN_BRIDGE */
353 * Map control/status registers.
355 pci_enable_busmaster(dev);
358 sc->bfe_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
360 if (sc->bfe_res == NULL) {
361 device_printf(dev, "couldn't map memory\n");
365 sc->bfe_btag = rman_get_bustag(sc->bfe_res);
366 sc->bfe_bhandle = rman_get_bushandle(sc->bfe_res);
368 /* Allocate interrupt */
371 sc->bfe_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
372 RF_SHAREABLE | RF_ACTIVE);
373 if (sc->bfe_irq == NULL) {
374 device_printf(dev, "couldn't map interrupt\n");
379 error = bfe_dma_alloc(dev);
381 device_printf(dev, "failed to allocate DMA resources\n");
385 /* Set up ifnet structure */
386 ifp = &sc->arpcom.ac_if;
388 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
389 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
390 ifp->if_ioctl = bfe_ioctl;
391 ifp->if_start = bfe_start;
392 ifp->if_watchdog = bfe_watchdog;
393 ifp->if_init = bfe_init;
394 ifp->if_mtu = ETHERMTU;
395 ifp->if_baudrate = 100000000;
396 ifp->if_capabilities |= IFCAP_VLAN_MTU;
397 ifp->if_capenable |= IFCAP_VLAN_MTU;
398 ifp->if_hdrlen = sizeof(struct ether_vlan_header);
399 ifq_set_maxlen(&ifp->if_snd, BFE_TX_QLEN);
400 ifq_set_ready(&ifp->if_snd);
404 /* Reset the chip and turn on the PHY */
407 if (mii_phy_probe(dev, &sc->bfe_miibus,
408 bfe_ifmedia_upd, bfe_ifmedia_sts)) {
409 device_printf(dev, "MII without any PHY!\n");
414 ether_ifattach(ifp, sc->arpcom.ac_enaddr, NULL);
417 * Hook interrupt last to avoid having to lock softc
419 error = bus_setup_intr(dev, sc->bfe_irq, INTR_MPSAFE,
420 bfe_intr, sc, &sc->bfe_intrhand,
421 sc->arpcom.ac_if.if_serializer);
425 device_printf(dev, "couldn't set up irq\n");
429 ifp->if_cpuid = rman_get_cpuid(sc->bfe_irq);
430 KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
438 bfe_detach(device_t dev)
440 struct bfe_softc *sc = device_get_softc(dev);
441 struct ifnet *ifp = &sc->arpcom.ac_if;
443 if (device_is_attached(dev)) {
444 lwkt_serialize_enter(ifp->if_serializer);
447 bus_teardown_intr(dev, sc->bfe_irq, sc->bfe_intrhand);
448 lwkt_serialize_exit(ifp->if_serializer);
452 if (sc->bfe_miibus != NULL)
453 device_delete_child(dev, sc->bfe_miibus);
454 bus_generic_detach(dev);
456 if (sc->bfe_irq != NULL)
457 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->bfe_irq);
459 if (sc->bfe_res != NULL) {
460 bus_release_resource(dev, SYS_RES_MEMORY, BFE_PCI_MEMLO,
469 * Stop all chip I/O so that the kernel's probe routines don't
470 * get confused by errant DMAs when rebooting.
473 bfe_shutdown(device_t dev)
475 struct bfe_softc *sc = device_get_softc(dev);
476 struct ifnet *ifp = &sc->arpcom.ac_if;
478 lwkt_serialize_enter(ifp->if_serializer);
480 lwkt_serialize_exit(ifp->if_serializer);
484 bfe_miibus_readreg(device_t dev, int phy, int reg)
486 struct bfe_softc *sc;
489 sc = device_get_softc(dev);
490 if (phy != sc->bfe_phyaddr)
492 bfe_readphy(sc, reg, &ret);
498 bfe_miibus_writereg(device_t dev, int phy, int reg, int val)
500 struct bfe_softc *sc;
502 sc = device_get_softc(dev);
503 if (phy != sc->bfe_phyaddr)
505 bfe_writephy(sc, reg, val);
511 bfe_tx_ring_free(struct bfe_softc *sc)
515 for (i = 0; i < BFE_TX_LIST_CNT; i++) {
516 if (sc->bfe_tx_ring[i].bfe_mbuf != NULL) {
517 bus_dmamap_unload(sc->bfe_txbuf_tag,
518 sc->bfe_tx_ring[i].bfe_map);
519 m_freem(sc->bfe_tx_ring[i].bfe_mbuf);
520 sc->bfe_tx_ring[i].bfe_mbuf = NULL;
523 bzero(sc->bfe_tx_list, BFE_TX_LIST_SIZE);
527 bfe_rx_ring_free(struct bfe_softc *sc)
531 for (i = 0; i < BFE_RX_LIST_CNT; i++) {
532 if (sc->bfe_rx_ring[i].bfe_mbuf != NULL) {
533 bus_dmamap_unload(sc->bfe_rxbuf_tag,
534 sc->bfe_rx_ring[i].bfe_map);
535 m_freem(sc->bfe_rx_ring[i].bfe_mbuf);
536 sc->bfe_rx_ring[i].bfe_mbuf = NULL;
539 bzero(sc->bfe_rx_list, BFE_RX_LIST_SIZE);
543 bfe_list_rx_init(struct bfe_softc *sc)
547 for (i = 0; i < BFE_RX_LIST_CNT; i++) {
548 error = bfe_newbuf(sc, i, 1);
553 CSR_WRITE_4(sc, BFE_DMARX_PTR, (i * sizeof(struct bfe_desc)));
561 bfe_newbuf(struct bfe_softc *sc, int c, int init)
565 bus_dma_segment_t seg;
569 m = m_getcl(init ? MB_WAIT : MB_DONTWAIT, MT_DATA, M_PKTHDR);
572 m->m_len = m->m_pkthdr.len = MCLBYTES;
574 error = bus_dmamap_load_mbuf_segment(sc->bfe_rxbuf_tag,
575 sc->bfe_rx_tmpmap, m,
576 &seg, 1, &nsegs, BUS_DMA_NOWAIT);
580 if_printf(&sc->arpcom.ac_if, "can't load RX mbuf\n");
584 KKASSERT(c >= 0 && c < BFE_RX_LIST_CNT);
585 r = &sc->bfe_rx_ring[c];
587 if (r->bfe_mbuf != NULL)
588 bus_dmamap_unload(sc->bfe_rxbuf_tag, r->bfe_map);
591 r->bfe_map = sc->bfe_rx_tmpmap;
592 sc->bfe_rx_tmpmap = map;
595 r->bfe_paddr = seg.ds_addr;
597 bfe_setup_rxdesc(sc, c);
602 bfe_setup_rxdesc(struct bfe_softc *sc, int c)
604 struct bfe_rxheader *rx_header;
610 KKASSERT(c >= 0 && c < BFE_RX_LIST_CNT);
611 r = &sc->bfe_rx_ring[c];
612 d = &sc->bfe_rx_list[c];
614 KKASSERT(r->bfe_mbuf != NULL && r->bfe_paddr != 0);
617 rx_header = mtod(m, struct bfe_rxheader *);
619 rx_header->flags = 0;
620 bus_dmamap_sync(sc->bfe_rxbuf_tag, r->bfe_map, BUS_DMASYNC_PREWRITE);
622 ctrl = ETHER_MAX_LEN + 32;
623 if (c == BFE_RX_LIST_CNT - 1)
624 ctrl |= BFE_DESC_EOT;
626 d->bfe_addr = r->bfe_paddr + BFE_PCI_DMA;
631 bfe_get_config(struct bfe_softc *sc)
635 bfe_read_eeprom(sc, eeprom);
637 sc->arpcom.ac_enaddr[0] = eeprom[79];
638 sc->arpcom.ac_enaddr[1] = eeprom[78];
639 sc->arpcom.ac_enaddr[2] = eeprom[81];
640 sc->arpcom.ac_enaddr[3] = eeprom[80];
641 sc->arpcom.ac_enaddr[4] = eeprom[83];
642 sc->arpcom.ac_enaddr[5] = eeprom[82];
644 sc->bfe_phyaddr = eeprom[90] & 0x1f;
645 sc->bfe_mdc_port = (eeprom[90] >> 14) & 0x1;
647 sc->bfe_core_unit = 0;
648 sc->bfe_dma_offset = BFE_PCI_DMA;
652 bfe_pci_setup(struct bfe_softc *sc, uint32_t cores)
654 uint32_t bar_orig, pci_rev, val;
656 bar_orig = pci_read_config(sc->bfe_dev, BFE_BAR0_WIN, 4);
657 pci_write_config(sc->bfe_dev, BFE_BAR0_WIN, BFE_REG_PCI, 4);
658 pci_rev = CSR_READ_4(sc, BFE_SBIDHIGH) & BFE_RC_MASK;
660 val = CSR_READ_4(sc, BFE_SBINTVEC);
662 CSR_WRITE_4(sc, BFE_SBINTVEC, val);
664 val = CSR_READ_4(sc, BFE_SSB_PCI_TRANS_2);
665 val |= BFE_SSB_PCI_PREF | BFE_SSB_PCI_BURST;
666 CSR_WRITE_4(sc, BFE_SSB_PCI_TRANS_2, val);
668 pci_write_config(sc->bfe_dev, BFE_BAR0_WIN, bar_orig, 4);
672 bfe_clear_stats(struct bfe_softc *sc)
676 CSR_WRITE_4(sc, BFE_MIB_CTRL, BFE_MIB_CLR_ON_READ);
677 for (reg = BFE_TX_GOOD_O; reg <= BFE_TX_PAUSE; reg += 4)
679 for (reg = BFE_RX_GOOD_O; reg <= BFE_RX_NPAUSE; reg += 4)
684 bfe_resetphy(struct bfe_softc *sc)
688 bfe_writephy(sc, 0, BMCR_RESET);
690 bfe_readphy(sc, 0, &val);
691 if (val & BMCR_RESET) {
692 if_printf(&sc->arpcom.ac_if,
693 "PHY Reset would not complete.\n");
700 bfe_chip_halt(struct bfe_softc *sc)
702 /* disable interrupts - not that it actually does..*/
703 CSR_WRITE_4(sc, BFE_IMASK, 0);
704 CSR_READ_4(sc, BFE_IMASK);
706 CSR_WRITE_4(sc, BFE_ENET_CTRL, BFE_ENET_DISABLE);
707 bfe_wait_bit(sc, BFE_ENET_CTRL, BFE_ENET_DISABLE, 200, 1);
709 CSR_WRITE_4(sc, BFE_DMARX_CTRL, 0);
710 CSR_WRITE_4(sc, BFE_DMATX_CTRL, 0);
715 bfe_chip_reset(struct bfe_softc *sc)
719 /* Set the interrupt vector for the enet core */
720 bfe_pci_setup(sc, BFE_INTVEC_ENET0);
723 val = CSR_READ_4(sc, BFE_SBTMSLOW) & (BFE_RESET | BFE_REJECT | BFE_CLOCK);
724 if (val == BFE_CLOCK) {
725 /* It is, so shut it down */
726 CSR_WRITE_4(sc, BFE_RCV_LAZY, 0);
727 CSR_WRITE_4(sc, BFE_ENET_CTRL, BFE_ENET_DISABLE);
728 bfe_wait_bit(sc, BFE_ENET_CTRL, BFE_ENET_DISABLE, 100, 1);
729 CSR_WRITE_4(sc, BFE_DMATX_CTRL, 0);
730 sc->bfe_tx_cnt = sc->bfe_tx_prod = sc->bfe_tx_cons = 0;
731 if (CSR_READ_4(sc, BFE_DMARX_STAT) & BFE_STAT_EMASK)
732 bfe_wait_bit(sc, BFE_DMARX_STAT, BFE_STAT_SIDLE, 100, 0);
733 CSR_WRITE_4(sc, BFE_DMARX_CTRL, 0);
741 * We want the phy registers to be accessible even when
742 * the driver is "downed" so initialize MDC preamble, frequency,
743 * and whether internal or external phy here.
746 /* 4402 has 62.5Mhz SB clock and internal phy */
747 CSR_WRITE_4(sc, BFE_MDIO_CTRL, 0x8d);
749 /* Internal or external PHY? */
750 val = CSR_READ_4(sc, BFE_DEVCTRL);
751 if (!(val & BFE_IPP))
752 CSR_WRITE_4(sc, BFE_ENET_CTRL, BFE_ENET_EPSEL);
753 else if (CSR_READ_4(sc, BFE_DEVCTRL) & BFE_EPR) {
754 BFE_AND(sc, BFE_DEVCTRL, ~BFE_EPR);
758 /* Enable CRC32 generation and set proper LED modes */
759 BFE_OR(sc, BFE_MAC_CTRL, BFE_CTRL_CRC32_ENAB | BFE_CTRL_LED);
761 /* Reset or clear powerdown control bit */
762 BFE_AND(sc, BFE_MAC_CTRL, ~BFE_CTRL_PDOWN);
764 CSR_WRITE_4(sc, BFE_RCV_LAZY, ((1 << BFE_LAZY_FC_SHIFT) &
768 * We don't want lazy interrupts, so just send them at the end of a
771 BFE_OR(sc, BFE_RCV_LAZY, 0);
773 /* Set max lengths, accounting for VLAN tags */
774 CSR_WRITE_4(sc, BFE_RXMAXLEN, ETHER_MAX_LEN+32);
775 CSR_WRITE_4(sc, BFE_TXMAXLEN, ETHER_MAX_LEN+32);
777 /* Set watermark XXX - magic */
778 CSR_WRITE_4(sc, BFE_TX_WMARK, 56);
781 * Initialise DMA channels - not forgetting dma addresses need to be
782 * added to BFE_PCI_DMA
784 CSR_WRITE_4(sc, BFE_DMATX_CTRL, BFE_TX_CTRL_ENABLE);
785 CSR_WRITE_4(sc, BFE_DMATX_ADDR, sc->bfe_tx_dma + BFE_PCI_DMA);
787 CSR_WRITE_4(sc, BFE_DMARX_CTRL, (BFE_RX_OFFSET << BFE_RX_CTRL_ROSHIFT) |
789 CSR_WRITE_4(sc, BFE_DMARX_ADDR, sc->bfe_rx_dma + BFE_PCI_DMA);
796 bfe_core_disable(struct bfe_softc *sc)
798 if ((CSR_READ_4(sc, BFE_SBTMSLOW)) & BFE_RESET)
802 * Set reject, wait for it set, then wait for the core to stop being busy
803 * Then set reset and reject and enable the clocks
805 CSR_WRITE_4(sc, BFE_SBTMSLOW, (BFE_REJECT | BFE_CLOCK));
806 bfe_wait_bit(sc, BFE_SBTMSLOW, BFE_REJECT, 1000, 0);
807 bfe_wait_bit(sc, BFE_SBTMSHIGH, BFE_BUSY, 1000, 1);
808 CSR_WRITE_4(sc, BFE_SBTMSLOW, (BFE_FGC | BFE_CLOCK | BFE_REJECT |
810 CSR_READ_4(sc, BFE_SBTMSLOW);
812 /* Leave reset and reject set */
813 CSR_WRITE_4(sc, BFE_SBTMSLOW, (BFE_REJECT | BFE_RESET));
818 bfe_core_reset(struct bfe_softc *sc)
822 /* Disable the core */
823 bfe_core_disable(sc);
825 /* and bring it back up */
826 CSR_WRITE_4(sc, BFE_SBTMSLOW, (BFE_RESET | BFE_CLOCK | BFE_FGC));
827 CSR_READ_4(sc, BFE_SBTMSLOW);
830 /* Chip bug, clear SERR, IB and TO if they are set. */
831 if (CSR_READ_4(sc, BFE_SBTMSHIGH) & BFE_SERR)
832 CSR_WRITE_4(sc, BFE_SBTMSHIGH, 0);
833 val = CSR_READ_4(sc, BFE_SBIMSTATE);
834 if (val & (BFE_IBE | BFE_TO))
835 CSR_WRITE_4(sc, BFE_SBIMSTATE, val & ~(BFE_IBE | BFE_TO));
837 /* Clear reset and allow it to move through the core */
838 CSR_WRITE_4(sc, BFE_SBTMSLOW, (BFE_CLOCK | BFE_FGC));
839 CSR_READ_4(sc, BFE_SBTMSLOW);
842 /* Leave the clock set */
843 CSR_WRITE_4(sc, BFE_SBTMSLOW, BFE_CLOCK);
844 CSR_READ_4(sc, BFE_SBTMSLOW);
849 bfe_cam_write(struct bfe_softc *sc, u_char *data, int index)
853 val = ((uint32_t) data[2]) << 24;
854 val |= ((uint32_t) data[3]) << 16;
855 val |= ((uint32_t) data[4]) << 8;
856 val |= ((uint32_t) data[5]);
857 CSR_WRITE_4(sc, BFE_CAM_DATA_LO, val);
858 val = (BFE_CAM_HI_VALID |
859 (((uint32_t) data[0]) << 8) |
860 (((uint32_t) data[1])));
861 CSR_WRITE_4(sc, BFE_CAM_DATA_HI, val);
862 CSR_WRITE_4(sc, BFE_CAM_CTRL, (BFE_CAM_WRITE |
863 ((uint32_t)index << BFE_CAM_INDEX_SHIFT)));
864 bfe_wait_bit(sc, BFE_CAM_CTRL, BFE_CAM_BUSY, 10000, 1);
868 bfe_set_rx_mode(struct bfe_softc *sc)
870 struct ifnet *ifp = &sc->arpcom.ac_if;
871 struct ifmultiaddr *ifma;
875 val = CSR_READ_4(sc, BFE_RXCONF);
877 if (ifp->if_flags & IFF_PROMISC)
878 val |= BFE_RXCONF_PROMISC;
880 val &= ~BFE_RXCONF_PROMISC;
882 if (ifp->if_flags & IFF_BROADCAST)
883 val &= ~BFE_RXCONF_DBCAST;
885 val |= BFE_RXCONF_DBCAST;
888 CSR_WRITE_4(sc, BFE_CAM_CTRL, 0);
889 bfe_cam_write(sc, sc->arpcom.ac_enaddr, i++);
891 if (ifp->if_flags & IFF_ALLMULTI) {
892 val |= BFE_RXCONF_ALLMULTI;
894 val &= ~BFE_RXCONF_ALLMULTI;
895 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
896 if (ifma->ifma_addr->sa_family != AF_LINK)
899 LLADDR((struct sockaddr_dl *)ifma->ifma_addr), i++);
903 CSR_WRITE_4(sc, BFE_RXCONF, val);
904 BFE_OR(sc, BFE_CAM_CTRL, BFE_CAM_ENABLE);
908 bfe_dma_free(struct bfe_softc *sc)
912 if (sc->bfe_tx_tag != NULL) {
913 bus_dmamap_unload(sc->bfe_tx_tag, sc->bfe_tx_map);
914 if (sc->bfe_tx_list != NULL) {
915 bus_dmamem_free(sc->bfe_tx_tag, sc->bfe_tx_list,
917 sc->bfe_tx_list = NULL;
919 bus_dma_tag_destroy(sc->bfe_tx_tag);
920 sc->bfe_tx_tag = NULL;
923 if (sc->bfe_rx_tag != NULL) {
924 bus_dmamap_unload(sc->bfe_rx_tag, sc->bfe_rx_map);
925 if (sc->bfe_rx_list != NULL) {
926 bus_dmamem_free(sc->bfe_rx_tag, sc->bfe_rx_list,
928 sc->bfe_rx_list = NULL;
930 bus_dma_tag_destroy(sc->bfe_rx_tag);
931 sc->bfe_rx_tag = NULL;
934 if (sc->bfe_txbuf_tag != NULL) {
935 for (i = 0; i < BFE_TX_LIST_CNT; i++) {
936 bus_dmamap_destroy(sc->bfe_txbuf_tag,
937 sc->bfe_tx_ring[i].bfe_map);
939 bus_dma_tag_destroy(sc->bfe_txbuf_tag);
940 sc->bfe_txbuf_tag = NULL;
943 if (sc->bfe_rxbuf_tag != NULL) {
944 for (i = 0; i < BFE_RX_LIST_CNT; i++) {
945 bus_dmamap_destroy(sc->bfe_rxbuf_tag,
946 sc->bfe_rx_ring[i].bfe_map);
948 bus_dmamap_destroy(sc->bfe_rxbuf_tag, sc->bfe_rx_tmpmap);
949 bus_dma_tag_destroy(sc->bfe_rxbuf_tag);
950 sc->bfe_rxbuf_tag = NULL;
953 if (sc->bfe_parent_tag != NULL) {
954 bus_dma_tag_destroy(sc->bfe_parent_tag);
955 sc->bfe_parent_tag = NULL;
960 bfe_read_eeprom(struct bfe_softc *sc, uint8_t *data)
963 uint16_t *ptr = (uint16_t *)data;
965 for (i = 0; i < 128; i += 2)
966 ptr[i/2] = CSR_READ_4(sc, 4096 + i);
970 bfe_wait_bit(struct bfe_softc *sc, uint32_t reg, uint32_t bit,
971 u_long timeout, const int clear)
975 for (i = 0; i < timeout; i++) {
976 uint32_t val = CSR_READ_4(sc, reg);
978 if (clear && !(val & bit))
980 if (!clear && (val & bit))
985 if_printf(&sc->arpcom.ac_if,
986 "BUG! Timeout waiting for bit %08x of register "
987 "%x to %s.\n", bit, reg,
988 (clear ? "clear" : "set"));
995 bfe_readphy(struct bfe_softc *sc, uint32_t reg, uint32_t *val)
1000 CSR_WRITE_4(sc, BFE_EMAC_ISTAT, BFE_EMAC_INT_MII);
1001 CSR_WRITE_4(sc, BFE_MDIO_DATA, (BFE_MDIO_SB_START |
1002 (BFE_MDIO_OP_READ << BFE_MDIO_OP_SHIFT) |
1003 (sc->bfe_phyaddr << BFE_MDIO_PMD_SHIFT) |
1004 (reg << BFE_MDIO_RA_SHIFT) |
1005 (BFE_MDIO_TA_VALID << BFE_MDIO_TA_SHIFT)));
1006 err = bfe_wait_bit(sc, BFE_EMAC_ISTAT, BFE_EMAC_INT_MII, 100, 0);
1007 *val = CSR_READ_4(sc, BFE_MDIO_DATA) & BFE_MDIO_DATA_DATA;
1012 bfe_writephy(struct bfe_softc *sc, uint32_t reg, uint32_t val)
1016 CSR_WRITE_4(sc, BFE_EMAC_ISTAT, BFE_EMAC_INT_MII);
1017 CSR_WRITE_4(sc, BFE_MDIO_DATA, (BFE_MDIO_SB_START |
1018 (BFE_MDIO_OP_WRITE << BFE_MDIO_OP_SHIFT) |
1019 (sc->bfe_phyaddr << BFE_MDIO_PMD_SHIFT) |
1020 (reg << BFE_MDIO_RA_SHIFT) |
1021 (BFE_MDIO_TA_VALID << BFE_MDIO_TA_SHIFT) |
1022 (val & BFE_MDIO_DATA_DATA)));
1023 status = bfe_wait_bit(sc, BFE_EMAC_ISTAT, BFE_EMAC_INT_MII, 100, 0);
1029 * XXX - I think this is handled by the PHY driver, but it can't hurt to do it
1033 bfe_setupphy(struct bfe_softc *sc)
1037 /* Enable activity LED */
1038 bfe_readphy(sc, 26, &val);
1039 bfe_writephy(sc, 26, val & 0x7fff);
1040 bfe_readphy(sc, 26, &val);
1042 /* Enable traffic meter LED mode */
1043 bfe_readphy(sc, 27, &val);
1044 bfe_writephy(sc, 27, val | (1 << 6));
1050 bfe_stats_update(struct bfe_softc *sc)
1055 val = &sc->bfe_hwstats.tx_good_octets;
1056 for (reg = BFE_TX_GOOD_O; reg <= BFE_TX_PAUSE; reg += 4)
1057 *val++ += CSR_READ_4(sc, reg);
1058 val = &sc->bfe_hwstats.rx_good_octets;
1059 for (reg = BFE_RX_GOOD_O; reg <= BFE_RX_NPAUSE; reg += 4)
1060 *val++ += CSR_READ_4(sc, reg);
1064 bfe_txeof(struct bfe_softc *sc)
1066 struct ifnet *ifp = &sc->arpcom.ac_if;
1067 uint32_t i, chipidx;
1069 chipidx = CSR_READ_4(sc, BFE_DMATX_STAT) & BFE_STAT_CDMASK;
1070 chipidx /= sizeof(struct bfe_desc);
1072 i = sc->bfe_tx_cons;
1074 /* Go through the mbufs and free those that have been transmitted */
1075 while (i != chipidx) {
1076 struct bfe_data *r = &sc->bfe_tx_ring[i];
1078 if (r->bfe_mbuf != NULL) {
1080 bus_dmamap_unload(sc->bfe_txbuf_tag, r->bfe_map);
1081 m_freem(r->bfe_mbuf);
1085 KKASSERT(sc->bfe_tx_cnt > 0);
1087 BFE_INC(i, BFE_TX_LIST_CNT);
1090 if (i != sc->bfe_tx_cons) {
1091 sc->bfe_tx_cons = i;
1093 if (sc->bfe_tx_cnt + BFE_SPARE_TXDESC < BFE_TX_LIST_CNT)
1094 ifp->if_flags &= ~IFF_OACTIVE;
1096 if (sc->bfe_tx_cnt == 0)
1100 /* Pass a received packet up the stack */
1102 bfe_rxeof(struct bfe_softc *sc)
1104 struct ifnet *ifp = &sc->arpcom.ac_if;
1106 struct bfe_rxheader *rxheader;
1108 uint32_t cons, status, current, len, flags;
1109 struct mbuf_chain chain[MAXCPU];
1111 cons = sc->bfe_rx_cons;
1112 status = CSR_READ_4(sc, BFE_DMARX_STAT);
1113 current = (status & BFE_STAT_CDMASK) / sizeof(struct bfe_desc);
1115 ether_input_chain_init(chain);
1117 while (current != cons) {
1118 r = &sc->bfe_rx_ring[cons];
1119 bus_dmamap_sync(sc->bfe_rxbuf_tag, r->bfe_map,
1120 BUS_DMASYNC_POSTREAD);
1122 KKASSERT(r->bfe_mbuf != NULL);
1124 rxheader = mtod(m, struct bfe_rxheader*);
1125 len = rxheader->len - ETHER_CRC_LEN;
1126 flags = rxheader->flags;
1128 /* flag an error and try again */
1129 if (len > ETHER_MAX_LEN + 32 || (flags & BFE_RX_FLAG_ERRORS)) {
1131 if (flags & BFE_RX_FLAG_SERR)
1132 ifp->if_collisions++;
1134 bfe_setup_rxdesc(sc, cons);
1135 BFE_INC(cons, BFE_RX_LIST_CNT);
1139 /* Go past the rx header */
1140 if (bfe_newbuf(sc, cons, 0) != 0) {
1141 bfe_setup_rxdesc(sc, cons);
1143 BFE_INC(cons, BFE_RX_LIST_CNT);
1147 m_adj(m, BFE_RX_OFFSET);
1148 m->m_len = m->m_pkthdr.len = len;
1151 m->m_pkthdr.rcvif = ifp;
1153 ether_input_chain(ifp, m, NULL, chain);
1154 BFE_INC(cons, BFE_RX_LIST_CNT);
1157 ether_input_dispatch(chain);
1159 sc->bfe_rx_cons = cons;
1165 struct bfe_softc *sc = xsc;
1166 struct ifnet *ifp = &sc->arpcom.ac_if;
1167 uint32_t istat, imask, flag;
1169 istat = CSR_READ_4(sc, BFE_ISTAT);
1170 imask = CSR_READ_4(sc, BFE_IMASK);
1173 * Defer unsolicited interrupts - This is necessary because setting the
1174 * chips interrupt mask register to 0 doesn't actually stop the
1178 CSR_WRITE_4(sc, BFE_ISTAT, istat);
1179 CSR_READ_4(sc, BFE_ISTAT);
1181 /* not expecting this interrupt, disregard it */
1186 if (istat & BFE_ISTAT_ERRORS) {
1187 flag = CSR_READ_4(sc, BFE_DMATX_STAT);
1188 if (flag & BFE_STAT_EMASK)
1191 flag = CSR_READ_4(sc, BFE_DMARX_STAT);
1192 if (flag & BFE_RX_FLAG_ERRORS)
1195 ifp->if_flags &= ~IFF_RUNNING;
1199 /* A packet was received */
1200 if (istat & BFE_ISTAT_RX)
1203 /* A packet was sent */
1204 if (istat & BFE_ISTAT_TX)
1207 /* We have packets pending, fire them out */
1208 if ((ifp->if_flags & IFF_RUNNING) && !ifq_is_empty(&ifp->if_snd))
1213 bfe_encap(struct bfe_softc *sc, struct mbuf **m_head, uint32_t *txidx)
1215 bus_dma_segment_t segs[BFE_MAXSEGS];
1217 int i, first_idx, last_idx, cur, error, maxsegs, nsegs;
1219 KKASSERT(sc->bfe_tx_cnt + BFE_SPARE_TXDESC < BFE_TX_LIST_CNT);
1220 maxsegs = BFE_TX_LIST_CNT - sc->bfe_tx_cnt - BFE_SPARE_TXDESC;
1221 if (maxsegs > BFE_MAXSEGS)
1222 maxsegs = BFE_MAXSEGS;
1225 map = sc->bfe_tx_ring[first_idx].bfe_map;
1227 error = bus_dmamap_load_mbuf_defrag(sc->bfe_txbuf_tag, map, m_head,
1228 segs, maxsegs, &nsegs, BUS_DMA_NOWAIT);
1231 bus_dmamap_sync(sc->bfe_txbuf_tag, map, BUS_DMASYNC_PREWRITE);
1235 for (i = 0; i < nsegs; ++i) {
1239 ctrl = BFE_DESC_LEN & segs[i].ds_len;
1240 ctrl |= BFE_DESC_IOC; /* always interrupt */
1241 if (cur == BFE_TX_LIST_CNT - 1) {
1243 * Tell the chip to wrap to the
1244 * start of the descriptor list.
1246 ctrl |= BFE_DESC_EOT;
1249 d = &sc->bfe_tx_list[cur];
1250 d->bfe_addr = segs[i].ds_addr + BFE_PCI_DMA;
1254 BFE_INC(cur, BFE_TX_LIST_CNT);
1256 KKASSERT(last_idx >= 0);
1258 /* End of the frame */
1259 sc->bfe_tx_list[last_idx].bfe_ctrl |= BFE_DESC_EOF;
1262 * Set start of the frame on the first fragment,
1263 * _after_ all of the fragments are setup.
1265 sc->bfe_tx_list[first_idx].bfe_ctrl |= BFE_DESC_SOF;
1267 sc->bfe_tx_ring[first_idx].bfe_map = sc->bfe_tx_ring[last_idx].bfe_map;
1268 sc->bfe_tx_ring[last_idx].bfe_map = map;
1269 sc->bfe_tx_ring[last_idx].bfe_mbuf = *m_head;
1272 sc->bfe_tx_cnt += nsegs;
1281 * Set up to transmit a packet
1284 bfe_start(struct ifnet *ifp)
1286 struct bfe_softc *sc = ifp->if_softc;
1287 struct mbuf *m_head = NULL;
1288 int idx, need_trans;
1290 ASSERT_SERIALIZED(ifp->if_serializer);
1293 * Not much point trying to send if the link is down
1294 * or we have nothing to send.
1296 if (!sc->bfe_link) {
1297 ifq_purge(&ifp->if_snd);
1301 if (ifp->if_flags & IFF_OACTIVE)
1304 idx = sc->bfe_tx_prod;
1307 while (!ifq_is_empty(&ifp->if_snd)) {
1308 if (sc->bfe_tx_cnt + BFE_SPARE_TXDESC >= BFE_TX_LIST_CNT) {
1309 ifp->if_flags |= IFF_OACTIVE;
1313 m_head = ifq_dequeue(&ifp->if_snd, NULL);
1318 * Pack the data into the tx ring. If we don't have
1319 * enough room, let the chip drain the ring.
1321 if (bfe_encap(sc, &m_head, &idx)) {
1322 /* m_head is freed by re_encap(), if we reach here */
1325 if (sc->bfe_tx_cnt > 0) {
1326 ifp->if_flags |= IFF_OACTIVE;
1330 * IFF_OACTIVE could not be set under
1331 * this situation, since except up/down,
1332 * nothing will clear IFF_OACTIVE.
1334 * Let's just keep draining the ifq ...
1342 * If there's a BPF listener, bounce a copy of this frame
1345 BPF_MTAP(ifp, m_head);
1351 sc->bfe_tx_prod = idx;
1353 /* Transmit - twice due to apparent hardware bug */
1354 CSR_WRITE_4(sc, BFE_DMATX_PTR, idx * sizeof(struct bfe_desc));
1355 CSR_WRITE_4(sc, BFE_DMATX_PTR, idx * sizeof(struct bfe_desc));
1358 * Set a timeout in case the chip goes out to lunch.
1366 struct bfe_softc *sc = (struct bfe_softc*)xsc;
1367 struct ifnet *ifp = &sc->arpcom.ac_if;
1369 ASSERT_SERIALIZED(ifp->if_serializer);
1371 if (ifp->if_flags & IFF_RUNNING)
1377 if (bfe_list_rx_init(sc) == ENOBUFS) {
1378 if_printf(ifp, "bfe_init failed. "
1379 " Not enough memory for list buffers\n");
1384 bfe_set_rx_mode(sc);
1386 /* Enable the chip and core */
1387 BFE_OR(sc, BFE_ENET_CTRL, BFE_ENET_ENABLE);
1388 /* Enable interrupts */
1389 CSR_WRITE_4(sc, BFE_IMASK, BFE_IMASK_DEF);
1391 bfe_ifmedia_upd(ifp);
1392 ifp->if_flags |= IFF_RUNNING;
1393 ifp->if_flags &= ~IFF_OACTIVE;
1395 callout_reset(&sc->bfe_stat_timer, hz, bfe_tick, sc);
1399 * Set media options.
1402 bfe_ifmedia_upd(struct ifnet *ifp)
1404 struct bfe_softc *sc = ifp->if_softc;
1405 struct mii_data *mii;
1407 ASSERT_SERIALIZED(ifp->if_serializer);
1409 mii = device_get_softc(sc->bfe_miibus);
1411 if (mii->mii_instance) {
1412 struct mii_softc *miisc;
1413 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL;
1414 miisc = LIST_NEXT(miisc, mii_list))
1415 mii_phy_reset(miisc);
1425 * Report current media status.
1428 bfe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
1430 struct bfe_softc *sc = ifp->if_softc;
1431 struct mii_data *mii;
1433 ASSERT_SERIALIZED(ifp->if_serializer);
1435 mii = device_get_softc(sc->bfe_miibus);
1437 ifmr->ifm_active = mii->mii_media_active;
1438 ifmr->ifm_status = mii->mii_media_status;
1442 bfe_ioctl(struct ifnet *ifp, u_long command, caddr_t data, struct ucred *cr)
1444 struct bfe_softc *sc = ifp->if_softc;
1445 struct ifreq *ifr = (struct ifreq *) data;
1446 struct mii_data *mii;
1449 ASSERT_SERIALIZED(ifp->if_serializer);
1453 if (ifp->if_flags & IFF_UP)
1454 if (ifp->if_flags & IFF_RUNNING)
1455 bfe_set_rx_mode(sc);
1458 else if (ifp->if_flags & IFF_RUNNING)
1463 if (ifp->if_flags & IFF_RUNNING)
1464 bfe_set_rx_mode(sc);
1468 mii = device_get_softc(sc->bfe_miibus);
1469 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media,
1473 error = ether_ioctl(ifp, command, data);
1480 bfe_watchdog(struct ifnet *ifp)
1482 struct bfe_softc *sc = ifp->if_softc;
1484 ASSERT_SERIALIZED(ifp->if_serializer);
1486 if_printf(ifp, "watchdog timeout -- resetting\n");
1488 ifp->if_flags &= ~IFF_RUNNING;
1497 struct bfe_softc *sc = xsc;
1498 struct mii_data *mii;
1499 struct ifnet *ifp = &sc->arpcom.ac_if;
1501 mii = device_get_softc(sc->bfe_miibus);
1503 lwkt_serialize_enter(ifp->if_serializer);
1505 bfe_stats_update(sc);
1506 callout_reset(&sc->bfe_stat_timer, hz, bfe_tick, sc);
1508 if (sc->bfe_link == 0) {
1510 if (!sc->bfe_link && mii->mii_media_status & IFM_ACTIVE &&
1511 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
1517 lwkt_serialize_exit(ifp->if_serializer);
1521 * Stop the adapter and free any mbufs allocated to the
1525 bfe_stop(struct bfe_softc *sc)
1527 struct ifnet *ifp = &sc->arpcom.ac_if;
1529 ASSERT_SERIALIZED(ifp->if_serializer);
1531 callout_stop(&sc->bfe_stat_timer);
1534 bfe_tx_ring_free(sc);
1535 bfe_rx_ring_free(sc);
1537 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);