Date: Wed, 15 Oct 2008 22:02:46 +0200 From: Aniruddha <mailing_list@orange.nl> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: pyunyh@gmail.com, freebsd-questions@FreeBSD.org Subject: Re: Under heavy load internet gets killed, only a reboot can bring it back up Message-ID: <1224100966.4199.6.camel@debian> In-Reply-To: <20081015184951.GA84864@icarus.home.lan> References: <1224054780.4011.20.camel@debian> <20081015072630.GA70901@icarus.home.lan> <1224069478.4247.7.camel@debian> <20081015113101.GA76278@icarus.home.lan> <20081015120911.GI14769@cdnetworks.co.kr> <1224080661.5407.2.camel@debian> <20081015144302.GA80037@icarus.home.lan> <1224091596.4048.2.camel@debian> <20081015184951.GA84864@icarus.home.lan>
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--=-O2nhkhwd6nCYy5VILwTc Content-Type: text/plain Content-Transfer-Encoding: 7bit On Wed, 2008-10-15 at 11:49 -0700, Jeremy Chadwick wrote: > How exactly did you download the URLs I gave you? > > Can you show me what's on line 241 of if_msk.c? > > A 'grep ^#include if_msk.c' for me returns lines which only include > filenames surrounded with "" or <>. I downloaded the files this way: wget http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/msk/if_msk.c?rev=1.34;content-type=text%2Fplain Line 241 contains: #include <sys/cdefs.h> I've included the if_msk.c for reference. -- Regards, Aniruddha --=-O2nhkhwd6nCYy5VILwTc Content-Disposition: attachment; filename=if_msk.c Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Content-Type: text/plain; name="if_msk.c"; charset="utf-8" #[1]FreeBSD cvsweb [2]Skip site navigation (1)[3]Skip section navigation (2) Header And Logo [4]FreeBSD Peripheral Links * Text Size: [5]Normal / [6]Large * [7]Donate * [8]Contact Search ____________________ Search Site Navigation * [9]Home * [10]About * [11]Get FreeBSD * [12]Documentation * [13]Community * [14]Developers * [15]Support view [16][BACK] Return to [17]if_msk.c CVS log [TXT] [DIR] Up to [18][FreeBSD] / [19]src / [20]sys / [21]dev / [22]msk _________________________________________________________________ File: [23][FreeBSD] / [24]src / [25]sys / [26]dev / [27]msk / [28]if_msk.c Revision 1.34: [29]download - view: [30]text, [31]annotated - [32]select for diffs Tue Sep 30 04:52:30 2008 UTC (2 weeks, 1 day ago) by yongari Branches: [33]MAIN CVS tags: [34]HEAD SVN rev 183486 on 2008-09-30 04:52:30Z by yongari If mbuf is not writable get a writable copy before invoking [35]m_pullup(9). Tested by: Garrett Cooper < yanefbsd <at> gmail dot com > _________________________________________________________________ /****************************************************************************** * * Name : sky2.c * Project: Gigabit Ethernet Driver for FreeBSD 5.x/6.x * Version: $Revision: 1.23 $ * Date : $Date: 2005/12/22 09:04:11 $ * Purpose: Main driver source file * *****************************************************************************/ /****************************************************************************** * * LICENSE: * Copyright (C) Marvell International Ltd. and/or its affiliates * * The computer program files contained in this folder ("Files") * are provided to you under the BSD-type license terms provided * below, and any use of such Files and any derivative works * thereof created by you shall be governed by the following terms * and conditions: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * - Neither the name of Marvell nor the names of its contributors * may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * /LICENSE * *****************************************************************************/ /*- * Copyright (c) 1997, 1998, 1999, 2000 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ /*- * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * Device driver for the Marvell Yukon II Ethernet controller. * Due to lack of documentation, this driver is based on the code from * sk(4) and Marvell's myk(4) driver for FreeBSD 5.x. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: src/sys/dev/msk/if_msk.c,v 1.34 2008/09/30 04:52:30 yongari Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/endian.h> #include <sys/mbuf.h> #include <sys/malloc.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/socket.h> #include <sys/sockio.h> #include <sys/queue.h> #include <sys/sysctl.h> #include <sys/taskqueue.h> #include <net/bpf.h> #include <net/ethernet.h> #include <net/if.h> #include <net/if_arp.h> #include <net/if_dl.h> #include <net/if_media.h> #include <net/if_types.h> #include <net/if_vlan_var.h> #include <netinet/in.h> #include <netinet/in_systm.h> #include <netinet/ip.h> #include <netinet/tcp.h> #include <netinet/udp.h> #include <machine/bus.h> #include <machine/in_cksum.h> #include <machine/resource.h> #include <sys/rman.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> #include <dev/mii/brgphyreg.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> #include <dev/msk/if_mskreg.h> MODULE_DEPEND(msk, pci, 1, 1, 1); MODULE_DEPEND(msk, ether, 1, 1, 1); MODULE_DEPEND(msk, miibus, 1, 1, 1); /* "device miibus" required. See GENERIC if you get errors here. */ #include "miibus_if.h" /* Tunables. */ static int msi_disable = 0; TUNABLE_INT("hw.msk.msi_disable", &msi_disable); static int legacy_intr = 0; TUNABLE_INT("hw.msk.legacy_intr", &legacy_intr); #define MSK_CSUM_FEATURES (CSUM_TCP | CSUM_UDP) /* * Devices supported by this driver. */ static struct msk_product { uint16_t msk_vendorid; uint16_t msk_deviceid; const char *msk_name; } msk_products[] = { { VENDORID_SK, DEVICEID_SK_YUKON2, "SK-9Sxx Gigabit Ethernet" }, { VENDORID_SK, DEVICEID_SK_YUKON2_EXPR, "SK-9Exx Gigabit Ethernet"}, { VENDORID_MARVELL, DEVICEID_MRVL_8021CU, "Marvell Yukon 88E8021CU Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8021X, "Marvell Yukon 88E8021 SX/LX Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8022CU, "Marvell Yukon 88E8022CU Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8022X, "Marvell Yukon 88E8022 SX/LX Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8061CU, "Marvell Yukon 88E8061CU Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8061X, "Marvell Yukon 88E8061 SX/LX Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8062CU, "Marvell Yukon 88E8062CU Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8062X, "Marvell Yukon 88E8062 SX/LX Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8035, "Marvell Yukon 88E8035 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8036, "Marvell Yukon 88E8036 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8038, "Marvell Yukon 88E8038 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_8039, "Marvell Yukon 88E8039 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_4361, "Marvell Yukon 88E8050 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_4360, "Marvell Yukon 88E8052 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_4362, "Marvell Yukon 88E8053 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_4363, "Marvell Yukon 88E8055 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_4364, "Marvell Yukon 88E8056 Gigabit Ethernet" }, { VENDORID_MARVELL, DEVICEID_MRVL_436A, "Marvell Yukon 88E8058 Gigabit Ethernet" }, { VENDORID_DLINK, DEVICEID_DLINK_DGE550SX, "D-Link 550SX Gigabit Ethernet" }, { VENDORID_DLINK, DEVICEID_DLINK_DGE560T, "D-Link 560T Gigabit Ethernet" } }; static const char *model_name[] = { "Yukon XL", "Yukon EC Ultra", "Yukon Unknown", "Yukon EC", "Yukon FE" }; static int mskc_probe(device_t); static int mskc_attach(device_t); static int mskc_detach(device_t); static int mskc_shutdown(device_t); static int mskc_setup_rambuffer(struct msk_softc *); static int mskc_suspend(device_t); static int mskc_resume(device_t); static void mskc_reset(struct msk_softc *); static int msk_probe(device_t); static int msk_attach(device_t); static int msk_detach(device_t); static void msk_tick(void *); static void msk_legacy_intr(void *); static int msk_intr(void *); static void msk_int_task(void *, int); static void msk_intr_phy(struct msk_if_softc *); static void msk_intr_gmac(struct msk_if_softc *); static __inline void msk_rxput(struct msk_if_softc *); static int msk_handle_events(struct msk_softc *); static void msk_handle_hwerr(struct msk_if_softc *, uint32_t); static void msk_intr_hwerr(struct msk_softc *); #ifndef __NO_STRICT_ALIGNMENT static __inline void msk_fixup_rx(struct mbuf *); #endif static void msk_rxeof(struct msk_if_softc *, uint32_t, int); static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, int); static void msk_txeof(struct msk_if_softc *, int); static int msk_encap(struct msk_if_softc *, struct mbuf **); static void msk_tx_task(void *, int); static void msk_start(struct ifnet *); static int msk_ioctl(struct ifnet *, u_long, caddr_t); static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t); static void msk_set_rambuffer(struct msk_if_softc *); static void msk_init(void *); static void msk_init_locked(struct msk_if_softc *); static void msk_stop(struct msk_if_softc *); static void msk_watchdog(struct msk_if_softc *); static int msk_mediachange(struct ifnet *); static void msk_mediastatus(struct ifnet *, struct ifmediareq *); static void msk_phy_power(struct msk_softc *, int); static void msk_dmamap_cb(void *, bus_dma_segment_t *, int, int); static int msk_status_dma_alloc(struct msk_softc *); static void msk_status_dma_free(struct msk_softc *); static int msk_txrx_dma_alloc(struct msk_if_softc *); static void msk_txrx_dma_free(struct msk_if_softc *); static void *msk_jalloc(struct msk_if_softc *); static void msk_jfree(void *, void *); static int msk_init_rx_ring(struct msk_if_softc *); static int msk_init_jumbo_rx_ring(struct msk_if_softc *); static void msk_init_tx_ring(struct msk_if_softc *); static __inline void msk_discard_rxbuf(struct msk_if_softc *, int); static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int); static int msk_newbuf(struct msk_if_softc *, int); static int msk_jumbo_newbuf(struct msk_if_softc *, int); static int msk_phy_readreg(struct msk_if_softc *, int, int); static int msk_phy_writereg(struct msk_if_softc *, int, int, int); static int msk_miibus_readreg(device_t, int, int); static int msk_miibus_writereg(device_t, int, int, int); static void msk_miibus_statchg(device_t); static void msk_link_task(void *, int); static void msk_setmulti(struct msk_if_softc *); static void msk_setvlan(struct msk_if_softc *, struct ifnet *); static void msk_setpromisc(struct msk_if_softc *); static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int); static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS); static device_method_t mskc_methods[] = { /* Device interface */ DEVMETHOD(device_probe, mskc_probe), DEVMETHOD(device_attach, mskc_attach), DEVMETHOD(device_detach, mskc_detach), DEVMETHOD(device_suspend, mskc_suspend), DEVMETHOD(device_resume, mskc_resume), DEVMETHOD(device_shutdown, mskc_shutdown), /* bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), { NULL, NULL } }; static driver_t mskc_driver = { "mskc", mskc_methods, sizeof(struct msk_softc) }; static devclass_t mskc_devclass; static device_method_t msk_methods[] = { /* Device interface */ DEVMETHOD(device_probe, msk_probe), DEVMETHOD(device_attach, msk_attach), DEVMETHOD(device_detach, msk_detach), DEVMETHOD(device_shutdown, bus_generic_shutdown), /* bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), /* MII interface */ DEVMETHOD(miibus_readreg, msk_miibus_readreg), DEVMETHOD(miibus_writereg, msk_miibus_writereg), DEVMETHOD(miibus_statchg, msk_miibus_statchg), { NULL, NULL } }; static driver_t msk_driver = { "msk", msk_methods, sizeof(struct msk_if_softc) }; static devclass_t msk_devclass; DRIVER_MODULE(mskc, pci, mskc_driver, mskc_devclass, 0, 0); DRIVER_MODULE(msk, mskc, msk_driver, msk_devclass, 0, 0); DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, 0, 0); static struct resource_spec msk_res_spec_io[] = { { SYS_RES_IOPORT, PCIR_BAR(1), RF_ACTIVE }, { -1, 0, 0 } }; static struct resource_spec msk_res_spec_mem[] = { { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE }, { -1, 0, 0 } }; static struct resource_spec msk_irq_spec_legacy[] = { { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE }, { -1, 0, 0 } }; static struct resource_spec msk_irq_spec_msi[] = { { SYS_RES_IRQ, 1, RF_ACTIVE }, { -1, 0, 0 } }; static struct resource_spec msk_irq_spec_msi2[] = { { SYS_RES_IRQ, 1, RF_ACTIVE }, { SYS_RES_IRQ, 2, RF_ACTIVE }, { -1, 0, 0 } }; static int msk_miibus_readreg(device_t dev, int phy, int reg) { struct msk_if_softc *sc_if; if (phy != PHY_ADDR_MARV) return (0); sc_if = device_get_softc(dev); return (msk_phy_readreg(sc_if, phy, reg)); } static int msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg) { struct msk_softc *sc; int i, val; sc = sc_if->msk_softc; GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL, GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); for (i = 0; i < MSK_TIMEOUT; i++) { DELAY(1); val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL); if ((val & GM_SMI_CT_RD_VAL) != 0) { val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_DATA); break; } } if (i == MSK_TIMEOUT) { if_printf(sc_if->msk_ifp, "phy failed to come ready\n"); val = 0; } return (val); } static int msk_miibus_writereg(device_t dev, int phy, int reg, int val) { struct msk_if_softc *sc_if; if (phy != PHY_ADDR_MARV) return (0); sc_if = device_get_softc(dev); return (msk_phy_writereg(sc_if, phy, reg, val)); } static int msk_phy_writereg(struct msk_if_softc *sc_if, int phy, int reg, int val) { struct msk_softc *sc; int i; sc = sc_if->msk_softc; GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_DATA, val); GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL, GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg)); for (i = 0; i < MSK_TIMEOUT; i++) { DELAY(1); if ((GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL) & GM_SMI_CT_BUSY) == 0) break; } if (i == MSK_TIMEOUT) if_printf(sc_if->msk_ifp, "phy write timeout\n"); return (0); } static void msk_miibus_statchg(device_t dev) { struct msk_if_softc *sc_if; sc_if = device_get_softc(dev); taskqueue_enqueue(taskqueue_swi, &sc_if->msk_link_task); } static void msk_link_task(void *arg, int pending) { struct msk_softc *sc; struct msk_if_softc *sc_if; struct mii_data *mii; struct ifnet *ifp; uint32_t gmac; sc_if = (struct msk_if_softc *)arg; sc = sc_if->msk_softc; MSK_IF_LOCK(sc_if); mii = device_get_softc(sc_if->msk_miibus); ifp = sc_if->msk_ifp; if (mii == NULL || ifp == NULL) { MSK_IF_UNLOCK(sc_if); return; } if (mii->mii_media_status & IFM_ACTIVE) { if (IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) sc_if->msk_link = 1; } else sc_if->msk_link = 0; if (sc_if->msk_link != 0) { /* Enable Tx FIFO Underrun. */ CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), GM_IS_TX_FF_UR | GM_IS_RX_FF_OR); /* * Because mii(4) notify msk(4) that it detected link status * change, there is no need to enable automatic * speed/flow-control/duplex updates. */ gmac = GM_GPCR_AU_ALL_DIS; switch (IFM_SUBTYPE(mii->mii_media_active)) { case IFM_1000_SX: case IFM_1000_T: gmac |= GM_GPCR_SPEED_1000; break; case IFM_100_TX: gmac |= GM_GPCR_SPEED_100; break; case IFM_10_T: break; } if (((mii->mii_media_active & IFM_GMASK) & IFM_FDX) != 0) gmac |= GM_GPCR_DUP_FULL; /* Disable Rx flow control. */ if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG0) == 0) gmac |= GM_GPCR_FC_RX_DIS; /* Disable Tx flow control. */ if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG1) == 0) gmac |= GM_GPCR_FC_TX_DIS; gmac |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); /* Read again to ensure writing. */ GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); gmac = GMC_PAUSE_ON; if (((mii->mii_media_active & IFM_GMASK) & (IFM_FLAG0 | IFM_FLAG1)) == 0) gmac = GMC_PAUSE_OFF; /* Diable pause for 10/100 Mbps in half-duplex mode. */ if ((((mii->mii_media_active & IFM_GMASK) & IFM_FDX) == 0) && (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX || IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T)) gmac = GMC_PAUSE_OFF; CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), gmac); /* Enable PHY interrupt for FIFO underrun/overflow. */ msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, PHY_M_IS_FIFO_ERROR); } else { /* * Link state changed to down. * Disable PHY interrupts. */ msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0); /* Disable Rx/Tx MAC. */ gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); gmac &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); /* Read again to ensure writing. */ GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); } MSK_IF_UNLOCK(sc_if); } static void msk_setmulti(struct msk_if_softc *sc_if) { struct msk_softc *sc; struct ifnet *ifp; struct ifmultiaddr *ifma; uint32_t mchash[2]; uint32_t crc; uint16_t mode; sc = sc_if->msk_softc; MSK_IF_LOCK_ASSERT(sc_if); ifp = sc_if->msk_ifp; bzero(mchash, sizeof(mchash)); mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL); mode |= GM_RXCR_UCF_ENA; if ((ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0) { if ((ifp->if_flags & IFF_PROMISC) != 0) mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); else if ((ifp->if_flags & IFF_ALLMULTI) != 0) { mchash[0] = 0xffff; mchash[1] = 0xffff; } } else { IF_ADDR_LOCK(ifp); TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { if (ifma->ifma_addr->sa_family != AF_LINK) continue; crc = ether_crc32_be(LLADDR((struct sockaddr_dl *) ifma->ifma_addr), ETHER_ADDR_LEN); /* Just want the 6 least significant bits. */ crc &= 0x3f; /* Set the corresponding bit in the hash table. */ mchash[crc >> 5] |= 1 << (crc & 0x1f); } IF_ADDR_UNLOCK(ifp); mode |= GM_RXCR_MCF_ENA; } GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H1, mchash[0] & 0xffff); GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H2, (mchash[0] >> 16) & 0xffff); GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H3, mchash[1] & 0xffff); GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H4, (mchash[1] >> 16) & 0xffff); GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode); } static void msk_setvlan(struct msk_if_softc *sc_if, struct ifnet *ifp) { struct msk_softc *sc; sc = sc_if->msk_softc; if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON); } else { CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF); CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF); } } static void msk_setpromisc(struct msk_if_softc *sc_if) { struct msk_softc *sc; struct ifnet *ifp; uint16_t mode; MSK_IF_LOCK_ASSERT(sc_if); sc = sc_if->msk_softc; ifp = sc_if->msk_ifp; mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL); if (ifp->if_flags & IFF_PROMISC) mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); else mode |= (GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode); } static int msk_init_rx_ring(struct msk_if_softc *sc_if) { struct msk_ring_data *rd; struct msk_rxdesc *rxd; int i, prod; MSK_IF_LOCK_ASSERT(sc_if); sc_if->msk_cdata.msk_rx_cons = 0; sc_if->msk_cdata.msk_rx_prod = 0; sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM; rd = &sc_if->msk_rdata; bzero(rd->msk_rx_ring, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT); prod = sc_if->msk_cdata.msk_rx_prod; for (i = 0; i < MSK_RX_RING_CNT; i++) { rxd = &sc_if->msk_cdata.msk_rxdesc[prod]; rxd->rx_m = NULL; rxd->rx_le = &rd->msk_rx_ring[prod]; if (msk_newbuf(sc_if, prod) != 0) return (ENOBUFS); MSK_INC(prod, MSK_RX_RING_CNT); } bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag, sc_if->msk_cdata.msk_rx_ring_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); /* Update prefetch unit. */ sc_if->msk_cdata.msk_rx_prod = MSK_RX_RING_CNT - 1; CSR_WRITE_2(sc_if->msk_softc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod); return (0); } static int msk_init_jumbo_rx_ring(struct msk_if_softc *sc_if) { struct msk_ring_data *rd; struct msk_rxdesc *rxd; int i, prod; MSK_IF_LOCK_ASSERT(sc_if); sc_if->msk_cdata.msk_rx_cons = 0; sc_if->msk_cdata.msk_rx_prod = 0; sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM; rd = &sc_if->msk_rdata; bzero(rd->msk_jumbo_rx_ring, sizeof(struct msk_rx_desc) * MSK_JUMBO_RX_RING_CNT); prod = sc_if->msk_cdata.msk_rx_prod; for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod]; rxd->rx_m = NULL; rxd->rx_le = &rd->msk_jumbo_rx_ring[prod]; if (msk_jumbo_newbuf(sc_if, prod) != 0) return (ENOBUFS); MSK_INC(prod, MSK_JUMBO_RX_RING_CNT); } bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, sc_if->msk_cdata.msk_jumbo_rx_ring_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); sc_if->msk_cdata.msk_rx_prod = MSK_JUMBO_RX_RING_CNT - 1; CSR_WRITE_2(sc_if->msk_softc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod); return (0); } static void msk_init_tx_ring(struct msk_if_softc *sc_if) { struct msk_ring_data *rd; struct msk_txdesc *txd; int i; sc_if->msk_cdata.msk_tso_mtu = 0; sc_if->msk_cdata.msk_tx_prod = 0; sc_if->msk_cdata.msk_tx_cons = 0; sc_if->msk_cdata.msk_tx_cnt = 0; rd = &sc_if->msk_rdata; bzero(rd->msk_tx_ring, sizeof(struct msk_tx_desc) * MSK_TX_RING_CNT); for (i = 0; i < MSK_TX_RING_CNT; i++) { txd = &sc_if->msk_cdata.msk_txdesc[i]; txd->tx_m = NULL; txd->tx_le = &rd->msk_tx_ring[i]; } bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, sc_if->msk_cdata.msk_tx_ring_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); } static __inline void msk_discard_rxbuf(struct msk_if_softc *sc_if, int idx) { struct msk_rx_desc *rx_le; struct msk_rxdesc *rxd; struct mbuf *m; rxd = &sc_if->msk_cdata.msk_rxdesc[idx]; m = rxd->rx_m; rx_le = rxd->rx_le; rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER); } static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *sc_if, int idx) { struct msk_rx_desc *rx_le; struct msk_rxdesc *rxd; struct mbuf *m; rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx]; m = rxd->rx_m; rx_le = rxd->rx_le; rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER); } static int msk_newbuf(struct msk_if_softc *sc_if, int idx) { struct msk_rx_desc *rx_le; struct msk_rxdesc *rxd; struct mbuf *m; bus_dma_segment_t segs[1]; bus_dmamap_t map; int nsegs; m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); if (m == NULL) return (ENOBUFS); m->m_len = m->m_pkthdr.len = MCLBYTES; if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) m_adj(m, ETHER_ALIGN); #ifndef __NO_STRICT_ALIGNMENT else m_adj(m, MSK_RX_BUF_ALIGN); #endif if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_rx_tag, sc_if->msk_cdata.msk_rx_sparemap, m, segs, &nsegs, BUS_DMA_NOWAIT) != 0) { m_freem(m); return (ENOBUFS); } KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs)); rxd = &sc_if->msk_cdata.msk_rxdesc[idx]; if (rxd->rx_m != NULL) { bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap); } map = rxd->rx_dmamap; rxd->rx_dmamap = sc_if->msk_cdata.msk_rx_sparemap; sc_if->msk_cdata.msk_rx_sparemap = map; bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap, BUS_DMASYNC_PREREAD); rxd->rx_m = m; rx_le = rxd->rx_le; rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr)); rx_le->msk_control = htole32(segs[0].ds_len | OP_PACKET | HW_OWNER); return (0); } static int msk_jumbo_newbuf(struct msk_if_softc *sc_if, int idx) { struct msk_rx_desc *rx_le; struct msk_rxdesc *rxd; struct mbuf *m; bus_dma_segment_t segs[1]; bus_dmamap_t map; int nsegs; void *buf; MGETHDR(m, M_DONTWAIT, MT_DATA); if (m == NULL) return (ENOBUFS); buf = msk_jalloc(sc_if); if (buf == NULL) { m_freem(m); return (ENOBUFS); } /* Attach the buffer to the mbuf. */ MEXTADD(m, buf, MSK_JLEN, msk_jfree, buf, (struct msk_if_softc *)sc_if, 0, EXT_NET_DRV); if ((m->m_flags & M_EXT) == 0) { m_freem(m); return (ENOBUFS); } m->m_pkthdr.len = m->m_len = MSK_JLEN; if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) m_adj(m, ETHER_ALIGN); #ifndef __NO_STRICT_ALIGNMENT else m_adj(m, MSK_RX_BUF_ALIGN); #endif if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_jumbo_rx_tag, sc_if->msk_cdata.msk_jumbo_rx_sparemap, m, segs, &nsegs, BUS_DMA_NOWAIT) != 0) { m_freem(m); return (ENOBUFS); } KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs)); rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx]; if (rxd->rx_m != NULL) { bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap); } map = rxd->rx_dmamap; rxd->rx_dmamap = sc_if->msk_cdata.msk_jumbo_rx_sparemap; sc_if->msk_cdata.msk_jumbo_rx_sparemap = map; bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap, BUS_DMASYNC_PREREAD); rxd->rx_m = m; rx_le = rxd->rx_le; rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr)); rx_le->msk_control = htole32(segs[0].ds_len | OP_PACKET | HW_OWNER); return (0); } /* * Set media options. */ static int msk_mediachange(struct ifnet *ifp) { struct msk_if_softc *sc_if; struct mii_data *mii; sc_if = ifp->if_softc; MSK_IF_LOCK(sc_if); mii = device_get_softc(sc_if->msk_miibus); mii_mediachg(mii); MSK_IF_UNLOCK(sc_if); return (0); } /* * Report current media status. */ static void msk_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) { struct msk_if_softc *sc_if; struct mii_data *mii; sc_if = ifp->if_softc; MSK_IF_LOCK(sc_if); mii = device_get_softc(sc_if->msk_miibus); mii_pollstat(mii); MSK_IF_UNLOCK(sc_if); ifmr->ifm_active = mii->mii_media_active; ifmr->ifm_status = mii->mii_media_status; } static int msk_ioctl(struct ifnet *ifp, u_long command, caddr_t data) { struct msk_if_softc *sc_if; struct ifreq *ifr; struct mii_data *mii; int error, mask; sc_if = ifp->if_softc; ifr = (struct ifreq *)data; error = 0; switch(command) { case SIOCSIFMTU: if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN) { error = EINVAL; break; } if (sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_FE && ifr->ifr_mtu > MSK_MAX_FRAMELEN) { error = EINVAL; break; } MSK_IF_LOCK(sc_if); ifp->if_mtu = ifr->ifr_mtu; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) msk_init_locked(sc_if); MSK_IF_UNLOCK(sc_if); break; case SIOCSIFFLAGS: MSK_IF_LOCK(sc_if); if ((ifp->if_flags & IFF_UP) != 0) { if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) { if (((ifp->if_flags ^ sc_if->msk_if_flags) & IFF_PROMISC) != 0) { msk_setpromisc(sc_if); msk_setmulti(sc_if); } } else { if (sc_if->msk_detach == 0) msk_init_locked(sc_if); } } else { if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) msk_stop(sc_if); } sc_if->msk_if_flags = ifp->if_flags; MSK_IF_UNLOCK(sc_if); break; case SIOCADDMULTI: case SIOCDELMULTI: MSK_IF_LOCK(sc_if); if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) msk_setmulti(sc_if); MSK_IF_UNLOCK(sc_if); break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: mii = device_get_softc(sc_if->msk_miibus); error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); break; case SIOCSIFCAP: MSK_IF_LOCK(sc_if); mask = ifr->ifr_reqcap ^ ifp->if_capenable; if ((mask & IFCAP_TXCSUM) != 0) { ifp->if_capenable ^= IFCAP_TXCSUM; if ((IFCAP_TXCSUM & ifp->if_capenable) != 0 && (IFCAP_TXCSUM & ifp->if_capabilities) != 0) ifp->if_hwassist |= MSK_CSUM_FEATURES; else ifp->if_hwassist &= ~MSK_CSUM_FEATURES; } if ((mask & IFCAP_VLAN_HWTAGGING) != 0) { ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; msk_setvlan(sc_if, ifp); } if ((mask & IFCAP_TSO4) != 0) { ifp->if_capenable ^= IFCAP_TSO4; if ((IFCAP_TSO4 & ifp->if_capenable) != 0 && (IFCAP_TSO4 & ifp->if_capabilities) != 0) ifp->if_hwassist |= CSUM_TSO; else ifp->if_hwassist &= ~CSUM_TSO; } if (sc_if->msk_framesize > MSK_MAX_FRAMELEN && sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_EC_U) { /* * In Yukon EC Ultra, TSO & checksum offload is not * supported for jumbo frame. */ ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO); ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM); } VLAN_CAPABILITIES(ifp); MSK_IF_UNLOCK(sc_if); break; default: error = ether_ioctl(ifp, command, data); break; } return (error); } static int mskc_probe(device_t dev) { struct msk_product *mp; uint16_t vendor, devid; int i; vendor = pci_get_vendor(dev); devid = pci_get_device(dev); mp = msk_products; for (i = 0; i < sizeof(msk_products)/sizeof(msk_products[0]); i++, mp++) { if (vendor == mp->msk_vendorid && devid == mp->msk_deviceid) { device_set_desc(dev, mp->msk_name); return (BUS_PROBE_DEFAULT); } } return (ENXIO); } static int mskc_setup_rambuffer(struct msk_softc *sc) { int next; int i; /* Get adapter SRAM size. */ sc->msk_ramsize = CSR_READ_1(sc, B2_E_0) * 4; if (bootverbose) device_printf(sc->msk_dev, "RAM buffer size : %dKB\n", sc->msk_ramsize); if (sc->msk_ramsize == 0) return (0); sc->msk_pflags |= MSK_FLAG_RAMBUF; /* * Give receiver 2/3 of memory and round down to the multiple * of 1024. Tx/Rx RAM buffer size of Yukon II shoud be multiple * of 1024. */ sc->msk_rxqsize = rounddown((sc->msk_ramsize * 1024 * 2) / 3, 1024); sc->msk_txqsize = (sc->msk_ramsize * 1024) - sc->msk_rxqsize; for (i = 0, next = 0; i < sc->msk_num_port; i++) { sc->msk_rxqstart[i] = next; sc->msk_rxqend[i] = next + sc->msk_rxqsize - 1; next = sc->msk_rxqend[i] + 1; sc->msk_txqstart[i] = next; sc->msk_txqend[i] = next + sc->msk_txqsize - 1; next = sc->msk_txqend[i] + 1; if (bootverbose) { device_printf(sc->msk_dev, "Port %d : Rx Queue %dKB(0x%08x:0x%08x)\n", i, sc->msk_rxqsize / 1024, sc->msk_rxqstart[i], sc->msk_rxqend[i]); device_printf(sc->msk_dev, "Port %d : Tx Queue %dKB(0x%08x:0x%08x)\n", i, sc->msk_txqsize / 1024, sc->msk_txqstart[i], sc->msk_txqend[i]); } } return (0); } static void msk_phy_power(struct msk_softc *sc, int mode) { uint32_t val; int i; switch (mode) { case MSK_PHY_POWERUP: /* Switch power to VCC (WA for VAUX problem). */ CSR_WRITE_1(sc, B0_POWER_CTRL, PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); /* Disable Core Clock Division, set Clock Select to 0. */ CSR_WRITE_4(sc, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); val = 0; if (sc->msk_hw_id == CHIP_ID_YUKON_XL && sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { /* Enable bits are inverted. */ val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS; } /* * Enable PCI & Core Clock, enable clock gating for both Links. */ CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val); val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); val &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); if (sc->msk_hw_id == CHIP_ID_YUKON_XL && sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { /* Deassert Low Power for 1st PHY. */ val |= PCI_Y2_PHY1_COMA; if (sc->msk_num_port > 1) val |= PCI_Y2_PHY2_COMA; } else if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U) { uint32_t our; CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_ON); /* Enable all clocks. */ pci_write_config(sc->msk_dev, PCI_OUR_REG_3, 0, 4); our = pci_read_config(sc->msk_dev, PCI_OUR_REG_4, 4); our &= (PCI_FORCE_ASPM_REQUEST|PCI_ASPM_GPHY_LINK_DOWN| PCI_ASPM_INT_FIFO_EMPTY|PCI_ASPM_CLKRUN_REQUEST); /* Set all bits to 0 except bits 15..12. */ pci_write_config(sc->msk_dev, PCI_OUR_REG_4, our, 4); /* Set to default value. */ pci_write_config(sc->msk_dev, PCI_OUR_REG_5, 0, 4); } /* Release PHY from PowerDown/COMA mode. */ pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); for (i = 0; i < sc->msk_num_port; i++) { CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL), GMLC_RST_SET); CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL), GMLC_RST_CLR); } break; case MSK_PHY_POWERDOWN: val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); val |= PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD; if (sc->msk_hw_id == CHIP_ID_YUKON_XL && sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { val &= ~PCI_Y2_PHY1_COMA; if (sc->msk_num_port > 1) val &= ~PCI_Y2_PHY2_COMA; } pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS; if (sc->msk_hw_id == CHIP_ID_YUKON_XL && sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { /* Enable bits are inverted. */ val = 0; } /* * Disable PCI & Core Clock, disable clock gating for * both Links. */ CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val); CSR_WRITE_1(sc, B0_POWER_CTRL, PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF); break; default: break; } } static void mskc_reset(struct msk_softc *sc) { bus_addr_t addr; uint16_t status; uint32_t val; int i; CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); /* Disable ASF. */ if (sc->msk_hw_id < CHIP_ID_YUKON_XL) { CSR_WRITE_4(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE); } /* * Since we disabled ASF, S/W reset is required for Power Management. */ CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); /* Clear all error bits in the PCI status register. */ status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2); CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); pci_write_config(sc->msk_dev, PCIR_STATUS, status | PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT | PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2); CSR_WRITE_2(sc, B0_CTST, CS_MRST_CLR); switch (sc->msk_bustype) { case MSK_PEX_BUS: /* Clear all PEX errors. */ CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff); val = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT); if ((val & PEX_RX_OV) != 0) { sc->msk_intrmask &= ~Y2_IS_HW_ERR; sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP; } break; case MSK_PCI_BUS: case MSK_PCIX_BUS: /* Set Cache Line Size to 2(8bytes) if configured to 0. */ val = pci_read_config(sc->msk_dev, PCIR_CACHELNSZ, 1); if (val == 0) pci_write_config(sc->msk_dev, PCIR_CACHELNSZ, 2, 1); if (sc->msk_bustype == MSK_PCIX_BUS) { /* Set Cache Line Size opt. */ val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); val |= PCI_CLS_OPT; pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); } break; } /* Set PHY power state. */ msk_phy_power(sc, MSK_PHY_POWERUP); /* Reset GPHY/GMAC Control */ for (i = 0; i < sc->msk_num_port; i++) { /* GPHY Control reset. */ CSR_WRITE_4(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET); CSR_WRITE_4(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_CLR); /* GMAC Control reset. */ CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_SET); CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_CLR); CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_F_LOOPB_OFF); } CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); /* LED On. */ CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_ON); /* Clear TWSI IRQ. */ CSR_WRITE_4(sc, B2_I2C_IRQ, I2C_CLR_IRQ); /* Turn off hardware timer. */ CSR_WRITE_1(sc, B2_TI_CTRL, TIM_STOP); CSR_WRITE_1(sc, B2_TI_CTRL, TIM_CLR_IRQ); /* Turn off descriptor polling. */ CSR_WRITE_1(sc, B28_DPT_CTRL, DPT_STOP); /* Turn off time stamps. */ CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_STOP); CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); /* Configure timeout values. */ for (i = 0; i < sc->msk_num_port; i++) { CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_SET); CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R1), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA1), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS1), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R1), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA1), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS1), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R2), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA2), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS2), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R2), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA2), MSK_RI_TO_53); CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS2), MSK_RI_TO_53); } /* Disable all interrupts. */ CSR_WRITE_4(sc, B0_HWE_IMSK, 0); CSR_READ_4(sc, B0_HWE_IMSK); CSR_WRITE_4(sc, B0_IMSK, 0); CSR_READ_4(sc, B0_IMSK); /* * On dual port PCI-X card, there is an problem where status * can be received out of order due to split transactions. */ if (sc->msk_bustype == MSK_PCIX_BUS && sc->msk_num_port > 1) { int pcix; uint16_t pcix_cmd; if (pci_find_extcap(sc->msk_dev, PCIY_PCIX, &pcix) == 0) { pcix_cmd = pci_read_config(sc->msk_dev, pcix + 2, 2); /* Clear Max Outstanding Split Transactions. */ pcix_cmd &= ~0x70; CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); pci_write_config(sc->msk_dev, pcix + 2, pcix_cmd, 2); CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } } if (sc->msk_bustype == MSK_PEX_BUS) { uint16_t v, width; v = pci_read_config(sc->msk_dev, PEX_DEV_CTRL, 2); /* Change Max. Read Request Size to 4096 bytes. */ v &= ~PEX_DC_MAX_RRS_MSK; v |= PEX_DC_MAX_RD_RQ_SIZE(5); pci_write_config(sc->msk_dev, PEX_DEV_CTRL, v, 2); width = pci_read_config(sc->msk_dev, PEX_LNK_STAT, 2); width = (width & PEX_LS_LINK_WI_MSK) >> 4; v = pci_read_config(sc->msk_dev, PEX_LNK_CAP, 2); v = (v & PEX_LS_LINK_WI_MSK) >> 4; if (v != width) device_printf(sc->msk_dev, "negotiated width of link(x%d) != " "max. width of link(x%d)\n", width, v); } /* Clear status list. */ bzero(sc->msk_stat_ring, sizeof(struct msk_stat_desc) * MSK_STAT_RING_CNT); sc->msk_stat_cons = 0; bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_SET); CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_CLR); /* Set the status list base address. */ addr = sc->msk_stat_ring_paddr; CSR_WRITE_4(sc, STAT_LIST_ADDR_LO, MSK_ADDR_LO(addr)); CSR_WRITE_4(sc, STAT_LIST_ADDR_HI, MSK_ADDR_HI(addr)); /* Set the status list last index. */ CSR_WRITE_2(sc, STAT_LAST_IDX, MSK_STAT_RING_CNT - 1); if (sc->msk_hw_id == CHIP_ID_YUKON_EC && sc->msk_hw_rev == CHIP_REV_YU_EC_A1) { /* WA for dev. #4.3 */ CSR_WRITE_2(sc, STAT_TX_IDX_TH, ST_TXTH_IDX_MASK); /* WA for dev. #4.18 */ CSR_WRITE_1(sc, STAT_FIFO_WM, 0x21); CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x07); } else { CSR_WRITE_2(sc, STAT_TX_IDX_TH, 0x0a); CSR_WRITE_1(sc, STAT_FIFO_WM, 0x10); if (sc->msk_hw_id == CHIP_ID_YUKON_XL && sc->msk_hw_rev == CHIP_REV_YU_XL_A0) CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x04); else CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x10); CSR_WRITE_4(sc, STAT_ISR_TIMER_INI, 0x0190); } /* * Use default value for STAT_ISR_TIMER_INI, STAT_LEV_TIMER_INI. */ CSR_WRITE_4(sc, STAT_TX_TIMER_INI, MSK_USECS(sc, 1000)); /* Enable status unit. */ CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_OP_ON); CSR_WRITE_1(sc, STAT_TX_TIMER_CTRL, TIM_START); CSR_WRITE_1(sc, STAT_LEV_TIMER_CTRL, TIM_START); CSR_WRITE_1(sc, STAT_ISR_TIMER_CTRL, TIM_START); } static int msk_probe(device_t dev) { struct msk_softc *sc; char desc[100]; sc = device_get_softc(device_get_parent(dev)); /* * Not much to do here. We always know there will be * at least one GMAC present, and if there are two, * mskc_attach() will create a second device instance * for us. */ snprintf(desc, sizeof(desc), "Marvell Technology Group Ltd. %s Id 0x%02x Rev 0x%02x", model_name[sc->msk_hw_id - CHIP_ID_YUKON_XL], sc->msk_hw_id, sc->msk_hw_rev); device_set_desc_copy(dev, desc); return (BUS_PROBE_DEFAULT); } static int msk_attach(device_t dev) { struct msk_softc *sc; struct msk_if_softc *sc_if; struct ifnet *ifp; int i, port, error; uint8_t eaddr[6]; if (dev == NULL) return (EINVAL); error = 0; sc_if = device_get_softc(dev); sc = device_get_softc(device_get_parent(dev)); port = *(int *)device_get_ivars(dev); sc_if->msk_if_dev = dev; sc_if->msk_port = port; sc_if->msk_softc = sc; sc_if->msk_flags = sc->msk_pflags; sc->msk_if[port] = sc_if; /* Setup Tx/Rx queue register offsets. */ if (port == MSK_PORT_A) { sc_if->msk_txq = Q_XA1; sc_if->msk_txsq = Q_XS1; sc_if->msk_rxq = Q_R1; } else { sc_if->msk_txq = Q_XA2; sc_if->msk_txsq = Q_XS2; sc_if->msk_rxq = Q_R2; } callout_init_mtx(&sc_if->msk_tick_ch, &sc_if->msk_softc->msk_mtx, 0); TASK_INIT(&sc_if->msk_link_task, 0, msk_link_task, sc_if); if ((error = msk_txrx_dma_alloc(sc_if) != 0)) goto fail; ifp = sc_if->msk_ifp = if_alloc(IFT_ETHER); if (ifp == NULL) { device_printf(sc_if->msk_if_dev, "can not if_alloc()\n"); error = ENOSPC; goto fail; } ifp->if_softc = sc_if; if_initname(ifp, device_get_name(dev), device_get_unit(dev)); ifp->if_mtu = ETHERMTU; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; /* * IFCAP_RXCSUM capability is intentionally disabled as the hardware * has serious bug in Rx checksum offload for all Yukon II family * hardware. It seems there is a workaround to make it work somtimes. * However, the workaround also have to check OP code sequences to * verify whether the OP code is correct. Sometimes it should compute * IP/TCP/UDP checksum in driver in order to verify correctness of * checksum computed by hardware. If you have to compute checksum * with software to verify the hardware's checksum why have hardware * compute the checksum? I think there is no reason to spend time to * make Rx checksum offload work on Yukon II hardware. */ ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_TSO4; ifp->if_hwassist = MSK_CSUM_FEATURES | CSUM_TSO; ifp->if_capenable = ifp->if_capabilities; ifp->if_ioctl = msk_ioctl; ifp->if_start = msk_start; ifp->if_timer = 0; ifp->if_watchdog = NULL; ifp->if_init = msk_init; IFQ_SET_MAXLEN(&ifp->if_snd, MSK_TX_RING_CNT - 1); ifp->if_snd.ifq_drv_maxlen = MSK_TX_RING_CNT - 1; IFQ_SET_READY(&ifp->if_snd); TASK_INIT(&sc_if->msk_tx_task, 1, msk_tx_task, ifp); /* * Get station address for this interface. Note that * dual port cards actually come with three station * addresses: one for each port, plus an extra. The * extra one is used by the SysKonnect driver software * as a 'virtual' station address for when both ports * are operating in failover mode. Currently we don't * use this extra address. */ MSK_IF_LOCK(sc_if); for (i = 0; i < ETHER_ADDR_LEN; i++) eaddr[i] = CSR_READ_1(sc, B2_MAC_1 + (port * 8) + i); /* * Call MI attach routine. Can't hold locks when calling into ether_*. */ MSK_IF_UNLOCK(sc_if); ether_ifattach(ifp, eaddr); MSK_IF_LOCK(sc_if); /* * VLAN capability setup * Due to Tx checksum offload hardware bugs, msk(4) manually * computes checksum for short frames. For VLAN tagged frames * this workaround does not work so disable checksum offload * for VLAN interface. */ ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING; ifp->if_capenable = ifp->if_capabilities; /* * Tell the upper layer(s) we support long frames. * Must appear after the call to ether_ifattach() because * ether_ifattach() sets ifi_hdrlen to the default value. */ ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); sc_if->msk_framesize = ifp->if_mtu + ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN; /* * Do miibus setup. */ MSK_IF_UNLOCK(sc_if); error = mii_phy_probe(dev, &sc_if->msk_miibus, msk_mediachange, msk_mediastatus); if (error != 0) { device_printf(sc_if->msk_if_dev, "no PHY found!\n"); ether_ifdetach(ifp); error = ENXIO; goto fail; } fail: if (error != 0) { /* Access should be ok even though lock has been dropped */ sc->msk_if[port] = NULL; msk_detach(dev); } return (error); } /* * Attach the interface. Allocate softc structures, do ifmedia * setup and ethernet/BPF attach. */ static int mskc_attach(device_t dev) { struct msk_softc *sc; int error, msic, msir, *port, reg; sc = device_get_softc(dev); sc->msk_dev = dev; mtx_init(&sc->msk_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF); /* * Map control/status registers. */ pci_enable_busmaster(dev); /* Allocate I/O resource */ #ifdef MSK_USEIOSPACE sc->msk_res_spec = msk_res_spec_io; #else sc->msk_res_spec = msk_res_spec_mem; #endif sc->msk_irq_spec = msk_irq_spec_legacy; error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res); if (error) { if (sc->msk_res_spec == msk_res_spec_mem) sc->msk_res_spec = msk_res_spec_io; else sc->msk_res_spec = msk_res_spec_mem; error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res) ; if (error) { device_printf(dev, "couldn't allocate %s resources\n", sc->msk_res_spec == msk_res_spec_mem ? "memory" : "I/O"); mtx_destroy(&sc->msk_mtx); return (ENXIO); } } CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); sc->msk_hw_id = CSR_READ_1(sc, B2_CHIP_ID); sc->msk_hw_rev = (CSR_READ_1(sc, B2_MAC_CFG) >> 4) & 0x0f; /* Bail out if chip is not recognized. */ if (sc->msk_hw_id < CHIP_ID_YUKON_XL || sc->msk_hw_id > CHIP_ID_YUKON_FE) { device_printf(dev, "unknown device: id=0x%02x, rev=0x%02x\n", sc->msk_hw_id, sc->msk_hw_rev); mtx_destroy(&sc->msk_mtx); return (ENXIO); } SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW, &sc->msk_process_limit, 0, sysctl_hw_msk_proc_limit, "I", "max number of Rx events to process"); sc->msk_process_limit = MSK_PROC_DEFAULT; error = resource_int_value(device_get_name(dev), device_get_unit(dev), "process_limit", &sc->msk_process_limit); if (error == 0) { if (sc->msk_process_limit < MSK_PROC_MIN || sc->msk_process_limit > MSK_PROC_MAX) { device_printf(dev, "process_limit value out of range; " "using default: %d\n", MSK_PROC_DEFAULT); sc->msk_process_limit = MSK_PROC_DEFAULT; } } /* Soft reset. */ CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP); if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S') sc->msk_coppertype = 0; else sc->msk_coppertype = 1; /* Check number of MACs. */ sc->msk_num_port = 1; if ((CSR_READ_1(sc, B2_Y2_HW_RES) & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { if (!(CSR_READ_1(sc, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) sc->msk_num_port++; } /* Check bus type. */ if (pci_find_extcap(sc->msk_dev, PCIY_EXPRESS, ®) == 0) sc->msk_bustype = MSK_PEX_BUS; else if (pci_find_extcap(sc->msk_dev, PCIY_PCIX, ®) == 0) sc->msk_bustype = MSK_PCIX_BUS; else sc->msk_bustype = MSK_PCI_BUS; switch (sc->msk_hw_id) { case CHIP_ID_YUKON_EC: case CHIP_ID_YUKON_EC_U: sc->msk_clock = 125; /* 125 Mhz */ break; case CHIP_ID_YUKON_FE: sc->msk_clock = 100; /* 100 Mhz */ break; case CHIP_ID_YUKON_XL: sc->msk_clock = 156; /* 156 Mhz */ break; default: sc->msk_clock = 156; /* 156 Mhz */ break; } /* Allocate IRQ resources. */ msic = pci_msi_count(dev); if (bootverbose) device_printf(dev, "MSI count : %d\n", msic); /* * The Yukon II reports it can handle two messages, one for each * possible port. We go ahead and allocate two messages and only * setup a handler for both if we have a dual port card. * * XXX: I haven't untangled the interrupt handler to handle dual * port cards with separate MSI messages, so for now I disable MSI * on dual port cards. */ if (legacy_intr != 0) msi_disable = 1; if (msi_disable == 0) { switch (msic) { case 2: case 1: /* 88E8058 reports 1 MSI message */ msir = msic; if (sc->msk_num_port == 1 && pci_alloc_msi(dev, &msir) == 0) { if (msic == msir) { sc->msk_msi = 1; sc->msk_irq_spec = msic == 2 ? msk_irq_spec_msi2 : msk_irq_spec_msi; } else pci_release_msi(dev); } break; default: device_printf(dev, "Unexpected number of MSI messages : %d\n", msic); break; } } error = bus_alloc_resources(dev, sc->msk_irq_spec, sc->msk_irq); if (error) { device_printf(dev, "couldn't allocate IRQ resources\n"); goto fail; } if ((error = msk_status_dma_alloc(sc)) != 0) goto fail; /* Set base interrupt mask. */ sc->msk_intrmask = Y2_IS_HW_ERR | Y2_IS_STAT_BMU; sc->msk_intrhwemask = Y2_IS_TIST_OV | Y2_IS_MST_ERR | Y2_IS_IRQ_STAT | Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP; /* Reset the adapter. */ mskc_reset(sc); if ((error = mskc_setup_rambuffer(sc)) != 0) goto fail; sc->msk_devs[MSK_PORT_A] = device_add_child(dev, "msk", -1); if (sc->msk_devs[MSK_PORT_A] == NULL) { device_printf(dev, "failed to add child for PORT_A\n"); error = ENXIO; goto fail; } port = malloc(sizeof(int), M_DEVBUF, M_WAITOK); if (port == NULL) { device_printf(dev, "failed to allocate memory for " "ivars of PORT_A\n"); error = ENXIO; goto fail; } *port = MSK_PORT_A; device_set_ivars(sc->msk_devs[MSK_PORT_A], port); if (sc->msk_num_port > 1) { sc->msk_devs[MSK_PORT_B] = device_add_child(dev, "msk", -1); if (sc->msk_devs[MSK_PORT_B] == NULL) { device_printf(dev, "failed to add child for PORT_B\n"); error = ENXIO; goto fail; } port = malloc(sizeof(int), M_DEVBUF, M_WAITOK); if (port == NULL) { device_printf(dev, "failed to allocate memory for " "ivars of PORT_B\n"); error = ENXIO; goto fail; } *port = MSK_PORT_B; device_set_ivars(sc->msk_devs[MSK_PORT_B], port); } error = bus_generic_attach(dev); if (error) { device_printf(dev, "failed to attach port(s)\n"); goto fail; } /* Hook interrupt last to avoid having to lock softc. */ if (legacy_intr) error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET | INTR_MPSAFE, NULL, msk_legacy_intr, sc, &sc->msk_intrhand[0]); else { TASK_INIT(&sc->msk_int_task, 0, msk_int_task, sc); sc->msk_tq = taskqueue_create_fast("msk_taskq", M_WAITOK, taskqueue_thread_enqueue, &sc->msk_tq); taskqueue_start_threads(&sc->msk_tq, 1, PI_NET, "%s taskq", device_get_nameunit(sc->msk_dev)); error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET | INTR_MPSAFE, msk_intr, NULL, sc, &sc->msk_intrhand[0]); } if (error != 0) { device_printf(dev, "couldn't set up interrupt handler\n"); if (legacy_intr == 0) taskqueue_free(sc->msk_tq); sc->msk_tq = NULL; goto fail; } fail: if (error != 0) mskc_detach(dev); return (error); } /* * Shutdown hardware and free up resources. This can be called any * time after the mutex has been initialized. It is called in both * the error case in attach and the normal detach case so it needs * to be careful about only freeing resources that have actually been * allocated. */ static int msk_detach(device_t dev) { struct msk_softc *sc; struct msk_if_softc *sc_if; struct ifnet *ifp; sc_if = device_get_softc(dev); KASSERT(mtx_initialized(&sc_if->msk_softc->msk_mtx), ("msk mutex not initialized in msk_detach")); MSK_IF_LOCK(sc_if); ifp = sc_if->msk_ifp; if (device_is_attached(dev)) { /* XXX */ sc_if->msk_detach = 1; msk_stop(sc_if); /* Can't hold locks while calling detach. */ MSK_IF_UNLOCK(sc_if); callout_drain(&sc_if->msk_tick_ch); taskqueue_drain(taskqueue_fast, &sc_if->msk_tx_task); taskqueue_drain(taskqueue_swi, &sc_if->msk_link_task); ether_ifdetach(ifp); MSK_IF_LOCK(sc_if); } /* * We're generally called from mskc_detach() which is using * device_delete_child() to get to here. It's already trashed * miibus for us, so don't do it here or we'll panic. * * if (sc_if->msk_miibus != NULL) { * device_delete_child(dev, sc_if->msk_miibus); * sc_if->msk_miibus = NULL; * } */ msk_txrx_dma_free(sc_if); bus_generic_detach(dev); if (ifp) if_free(ifp); sc = sc_if->msk_softc; sc->msk_if[sc_if->msk_port] = NULL; MSK_IF_UNLOCK(sc_if); return (0); } static int mskc_detach(device_t dev) { struct msk_softc *sc; sc = device_get_softc(dev); KASSERT(mtx_initialized(&sc->msk_mtx), ("msk mutex not initialized")); if (device_is_alive(dev)) { if (sc->msk_devs[MSK_PORT_A] != NULL) { free(device_get_ivars(sc->msk_devs[MSK_PORT_A]), M_DEVBUF); device_delete_child(dev, sc->msk_devs[MSK_PORT_A]); } if (sc->msk_devs[MSK_PORT_B] != NULL) { free(device_get_ivars(sc->msk_devs[MSK_PORT_B]), M_DEVBUF); device_delete_child(dev, sc->msk_devs[MSK_PORT_B]); } bus_generic_detach(dev); } /* Disable all interrupts. */ CSR_WRITE_4(sc, B0_IMSK, 0); CSR_READ_4(sc, B0_IMSK); CSR_WRITE_4(sc, B0_HWE_IMSK, 0); CSR_READ_4(sc, B0_HWE_IMSK); /* LED Off. */ CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_OFF); /* Put hardware reset. */ CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); msk_status_dma_free(sc); if (legacy_intr == 0 && sc->msk_tq != NULL) { taskqueue_drain(sc->msk_tq, &sc->msk_int_task); taskqueue_free(sc->msk_tq); sc->msk_tq = NULL; } if (sc->msk_intrhand[0]) { bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand[0]); sc->msk_intrhand[0] = NULL; } if (sc->msk_intrhand[1]) { bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand[0]); sc->msk_intrhand[1] = NULL; } bus_release_resources(dev, sc->msk_irq_spec, sc->msk_irq); if (sc->msk_msi) pci_release_msi(dev); bus_release_resources(dev, sc->msk_res_spec, sc->msk_res); mtx_destroy(&sc->msk_mtx); return (0); } struct msk_dmamap_arg { bus_addr_t msk_busaddr; }; static void msk_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) { struct msk_dmamap_arg *ctx; if (error != 0) return; ctx = arg; ctx->msk_busaddr = segs[0].ds_addr; } /* Create status DMA region. */ static int msk_status_dma_alloc(struct msk_softc *sc) { struct msk_dmamap_arg ctx; int error; error = bus_dma_tag_create( bus_get_dma_tag(sc->msk_dev), /* parent */ MSK_STAT_ALIGN, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MSK_STAT_RING_SZ, /* maxsize */ 1, /* nsegments */ MSK_STAT_RING_SZ, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->msk_stat_tag); if (error != 0) { device_printf(sc->msk_dev, "failed to create status DMA tag\n"); return (error); } /* Allocate DMA'able memory and load the DMA map for status ring. */ error = bus_dmamem_alloc(sc->msk_stat_tag, (void **)&sc->msk_stat_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->msk_stat_map); if (error != 0) { device_printf(sc->msk_dev, "failed to allocate DMA'able memory for status ring\n"); return (error); } ctx.msk_busaddr = 0; error = bus_dmamap_load(sc->msk_stat_tag, sc->msk_stat_map, sc->msk_stat_ring, MSK_STAT_RING_SZ, msk_dmamap_cb, &ctx, 0); if (error != 0) { device_printf(sc->msk_dev, "failed to load DMA'able memory for status ring\n"); return (error); } sc->msk_stat_ring_paddr = ctx.msk_busaddr; return (0); } static void msk_status_dma_free(struct msk_softc *sc) { /* Destroy status block. */ if (sc->msk_stat_tag) { if (sc->msk_stat_map) { bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map); if (sc->msk_stat_ring) { bus_dmamem_free(sc->msk_stat_tag, sc->msk_stat_ring, sc->msk_stat_map); sc->msk_stat_ring = NULL; } sc->msk_stat_map = NULL; } bus_dma_tag_destroy(sc->msk_stat_tag); sc->msk_stat_tag = NULL; } } static int msk_txrx_dma_alloc(struct msk_if_softc *sc_if) { struct msk_dmamap_arg ctx; struct msk_txdesc *txd; struct msk_rxdesc *rxd; struct msk_rxdesc *jrxd; struct msk_jpool_entry *entry; uint8_t *ptr; bus_size_t rxalign; int error, i; mtx_init(&sc_if->msk_jlist_mtx, "msk_jlist_mtx", NULL, MTX_DEF); SLIST_INIT(&sc_if->msk_jfree_listhead); SLIST_INIT(&sc_if->msk_jinuse_listhead); /* Create parent DMA tag. */ /* * XXX * It seems that Yukon II supports full 64bits DMA operations. But * it needs two descriptors(list elements) for 64bits DMA operations. * Since we don't know what DMA address mappings(32bits or 64bits) * would be used in advance for each mbufs, we limits its DMA space * to be in range of 32bits address space. Otherwise, we should check * what DMA address is used and chain another descriptor for the * 64bits DMA operation. This also means descriptor ring size is * variable. Limiting DMA address to be in 32bit address space greatly * simplyfies descriptor handling and possibly would increase * performance a bit due to efficient handling of descriptors. * Apart from harassing checksum offloading mechanisms, it seems * it's really bad idea to use a seperate descriptor for 64bit * DMA operation to save small descriptor memory. Anyway, I've * never seen these exotic scheme on ethernet interface hardware. */ error = bus_dma_tag_create( bus_get_dma_tag(sc_if->msk_if_dev), /* parent */ 1, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 0, /* nsegments */ BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc_if->msk_cdata.msk_parent_tag); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create parent DMA tag\n"); goto fail; } /* Create tag for Tx ring. */ error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ MSK_RING_ALIGN, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MSK_TX_RING_SZ, /* maxsize */ 1, /* nsegments */ MSK_TX_RING_SZ, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc_if->msk_cdata.msk_tx_ring_tag); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create Tx ring DMA tag\n"); goto fail; } /* Create tag for Rx ring. */ error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ MSK_RING_ALIGN, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MSK_RX_RING_SZ, /* maxsize */ 1, /* nsegments */ MSK_RX_RING_SZ, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc_if->msk_cdata.msk_rx_ring_tag); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create Rx ring DMA tag\n"); goto fail; } /* Create tag for jumbo Rx ring. */ error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ MSK_RING_ALIGN, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MSK_JUMBO_RX_RING_SZ, /* maxsize */ 1, /* nsegments */ MSK_JUMBO_RX_RING_SZ, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc_if->msk_cdata.msk_jumbo_rx_ring_tag); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create jumbo Rx ring DMA tag\n"); goto fail; } /* Create tag for jumbo buffer blocks. */ error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ PAGE_SIZE, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MSK_JMEM, /* maxsize */ 1, /* nsegments */ MSK_JMEM, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc_if->msk_cdata.msk_jumbo_tag); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create jumbo Rx buffer block DMA tag\n"); goto fail; } /* Create tag for Tx buffers. */ error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 1, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MSK_TSO_MAXSIZE, /* maxsize */ MSK_MAXTXSEGS, /* nsegments */ MSK_TSO_MAXSGSIZE, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc_if->msk_cdata.msk_tx_tag); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create Tx DMA tag\n"); goto fail; } rxalign = 1; /* * Workaround hardware hang which seems to happen when Rx buffer * is not aligned on multiple of FIFO word(8 bytes). */ if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) rxalign = MSK_RX_BUF_ALIGN; /* Create tag for Rx buffers. */ error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ rxalign, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MCLBYTES, /* maxsize */ 1, /* nsegments */ MCLBYTES, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc_if->msk_cdata.msk_rx_tag); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create Rx DMA tag\n"); goto fail; } /* Create tag for jumbo Rx buffers. */ error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ PAGE_SIZE, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MCLBYTES * MSK_MAXRXSEGS, /* maxsize */ MSK_MAXRXSEGS, /* nsegments */ MSK_JLEN, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc_if->msk_cdata.msk_jumbo_rx_tag); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create jumbo Rx DMA tag\n"); goto fail; } /* Allocate DMA'able memory and load the DMA map for Tx ring. */ error = bus_dmamem_alloc(sc_if->msk_cdata.msk_tx_ring_tag, (void **)&sc_if->msk_rdata.msk_tx_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_tx_ring_map) ; if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to allocate DMA'able memory for Tx ring\n"); goto fail; } ctx.msk_busaddr = 0; error = bus_dmamap_load(sc_if->msk_cdata.msk_tx_ring_tag, sc_if->msk_cdata.msk_tx_ring_map, sc_if->msk_rdata.msk_tx_ring, MSK_TX_RING_SZ, msk_dmamap_cb, &ctx, 0); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to load DMA'able memory for Tx ring\n"); goto fail; } sc_if->msk_rdata.msk_tx_ring_paddr = ctx.msk_busaddr; /* Allocate DMA'able memory and load the DMA map for Rx ring. */ error = bus_dmamem_alloc(sc_if->msk_cdata.msk_rx_ring_tag, (void **)&sc_if->msk_rdata.msk_rx_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_rx_ring_map) ; if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to allocate DMA'able memory for Rx ring\n"); goto fail; } ctx.msk_busaddr = 0; error = bus_dmamap_load(sc_if->msk_cdata.msk_rx_ring_tag, sc_if->msk_cdata.msk_rx_ring_map, sc_if->msk_rdata.msk_rx_ring, MSK_RX_RING_SZ, msk_dmamap_cb, &ctx, 0); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to load DMA'able memory for Rx ring\n"); goto fail; } sc_if->msk_rdata.msk_rx_ring_paddr = ctx.msk_busaddr; /* Allocate DMA'able memory and load the DMA map for jumbo Rx ring. */ error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, (void **)&sc_if->msk_rdata.msk_jumbo_rx_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_jumbo_rx_ring_map); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to allocate DMA'able memory for jumbo Rx ring\n"); goto fail; } ctx.msk_busaddr = 0; error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, sc_if->msk_cdata.msk_jumbo_rx_ring_map, sc_if->msk_rdata.msk_jumbo_rx_ring, MSK_JUMBO_RX_RING_SZ, msk_dmamap_cb, &ctx, 0); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to load DMA'able memory for jumbo Rx ring\n"); goto fail; } sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr; /* Create DMA maps for Tx buffers. */ for (i = 0; i < MSK_TX_RING_CNT; i++) { txd = &sc_if->msk_cdata.msk_txdesc[i]; txd->tx_m = NULL; txd->tx_dmamap = NULL; error = bus_dmamap_create(sc_if->msk_cdata.msk_tx_tag, 0, &txd->tx_dmamap); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create Tx dmamap\n"); goto fail; } } /* Create DMA maps for Rx buffers. */ if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0, &sc_if->msk_cdata.msk_rx_sparemap)) != 0) { device_printf(sc_if->msk_if_dev, "failed to create spare Rx dmamap\n"); goto fail; } for (i = 0; i < MSK_RX_RING_CNT; i++) { rxd = &sc_if->msk_cdata.msk_rxdesc[i]; rxd->rx_m = NULL; rxd->rx_dmamap = NULL; error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0, &rxd->rx_dmamap); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create Rx dmamap\n"); goto fail; } } /* Create DMA maps for jumbo Rx buffers. */ if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0, &sc_if->msk_cdata.msk_jumbo_rx_sparemap)) != 0) { device_printf(sc_if->msk_if_dev, "failed to create spare jumbo Rx dmamap\n"); goto fail; } for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; jrxd->rx_m = NULL; jrxd->rx_dmamap = NULL; error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0, &jrxd->rx_dmamap); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to create jumbo Rx dmamap\n"); goto fail; } } /* Allocate DMA'able memory and load the DMA map for jumbo buf. */ error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_tag, (void **)&sc_if->msk_rdata.msk_jumbo_buf, BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_jumbo_map); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to allocate DMA'able memory for jumbo buf\n"); goto fail; } ctx.msk_busaddr = 0; error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_tag, sc_if->msk_cdata.msk_jumbo_map, sc_if->msk_rdata.msk_jumbo_buf, MSK_JMEM, msk_dmamap_cb, &ctx, 0); if (error != 0) { device_printf(sc_if->msk_if_dev, "failed to load DMA'able memory for jumbobuf\n"); goto fail; } sc_if->msk_rdata.msk_jumbo_buf_paddr = ctx.msk_busaddr; /* * Now divide it up into 9K pieces and save the addresses * in an array. */ ptr = sc_if->msk_rdata.msk_jumbo_buf; for (i = 0; i < MSK_JSLOTS; i++) { sc_if->msk_cdata.msk_jslots[i] = ptr; ptr += MSK_JLEN; entry = malloc(sizeof(struct msk_jpool_entry), M_DEVBUF, M_WAITOK); if (entry == NULL) { device_printf(sc_if->msk_if_dev, "no memory for jumbo buffers!\n"); error = ENOMEM; goto fail; } entry->slot = i; SLIST_INSERT_HEAD(&sc_if->msk_jfree_listhead, entry, jpool_entries); } fail: return (error); } static void msk_txrx_dma_free(struct msk_if_softc *sc_if) { struct msk_txdesc *txd; struct msk_rxdesc *rxd; struct msk_rxdesc *jrxd; struct msk_jpool_entry *entry; int i; MSK_JLIST_LOCK(sc_if); while ((entry = SLIST_FIRST(&sc_if->msk_jinuse_listhead))) { device_printf(sc_if->msk_if_dev, "asked to free buffer that is in use!\n"); SLIST_REMOVE_HEAD(&sc_if->msk_jinuse_listhead, jpool_entries); SLIST_INSERT_HEAD(&sc_if->msk_jfree_listhead, entry, jpool_entries); } while (!SLIST_EMPTY(&sc_if->msk_jfree_listhead)) { entry = SLIST_FIRST(&sc_if->msk_jfree_listhead); SLIST_REMOVE_HEAD(&sc_if->msk_jfree_listhead, jpool_entries); free(entry, M_DEVBUF); } MSK_JLIST_UNLOCK(sc_if); /* Destroy jumbo buffer block. */ if (sc_if->msk_cdata.msk_jumbo_map) bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_tag, sc_if->msk_cdata.msk_jumbo_map); if (sc_if->msk_rdata.msk_jumbo_buf) { bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_tag, sc_if->msk_rdata.msk_jumbo_buf, sc_if->msk_cdata.msk_jumbo_map); sc_if->msk_rdata.msk_jumbo_buf = NULL; sc_if->msk_cdata.msk_jumbo_map = NULL; } /* Tx ring. */ if (sc_if->msk_cdata.msk_tx_ring_tag) { if (sc_if->msk_cdata.msk_tx_ring_map) bus_dmamap_unload(sc_if->msk_cdata.msk_tx_ring_tag, sc_if->msk_cdata.msk_tx_ring_map); if (sc_if->msk_cdata.msk_tx_ring_map && sc_if->msk_rdata.msk_tx_ring) bus_dmamem_free(sc_if->msk_cdata.msk_tx_ring_tag, sc_if->msk_rdata.msk_tx_ring, sc_if->msk_cdata.msk_tx_ring_map); sc_if->msk_rdata.msk_tx_ring = NULL; sc_if->msk_cdata.msk_tx_ring_map = NULL; bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_ring_tag); sc_if->msk_cdata.msk_tx_ring_tag = NULL; } /* Rx ring. */ if (sc_if->msk_cdata.msk_rx_ring_tag) { if (sc_if->msk_cdata.msk_rx_ring_map) bus_dmamap_unload(sc_if->msk_cdata.msk_rx_ring_tag, sc_if->msk_cdata.msk_rx_ring_map); if (sc_if->msk_cdata.msk_rx_ring_map && sc_if->msk_rdata.msk_rx_ring) bus_dmamem_free(sc_if->msk_cdata.msk_rx_ring_tag, sc_if->msk_rdata.msk_rx_ring, sc_if->msk_cdata.msk_rx_ring_map); sc_if->msk_rdata.msk_rx_ring = NULL; sc_if->msk_cdata.msk_rx_ring_map = NULL; bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_ring_tag); sc_if->msk_cdata.msk_rx_ring_tag = NULL; } /* Jumbo Rx ring. */ if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) { if (sc_if->msk_cdata.msk_jumbo_rx_ring_map) bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_ta g, sc_if->msk_cdata.msk_jumbo_rx_ring_map); if (sc_if->msk_cdata.msk_jumbo_rx_ring_map && sc_if->msk_rdata.msk_jumbo_rx_ring) bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, sc_if->msk_rdata.msk_jumbo_rx_ring, sc_if->msk_cdata.msk_jumbo_rx_ring_map); sc_if->msk_rdata.msk_jumbo_rx_ring = NULL; sc_if->msk_cdata.msk_jumbo_rx_ring_map = NULL; bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag); sc_if->msk_cdata.msk_jumbo_rx_ring_tag = NULL; } /* Tx buffers. */ if (sc_if->msk_cdata.msk_tx_tag) { for (i = 0; i < MSK_TX_RING_CNT; i++) { txd = &sc_if->msk_cdata.msk_txdesc[i]; if (txd->tx_dmamap) { bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap); txd->tx_dmamap = NULL; } } bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag); sc_if->msk_cdata.msk_tx_tag = NULL; } /* Rx buffers. */ if (sc_if->msk_cdata.msk_rx_tag) { for (i = 0; i < MSK_RX_RING_CNT; i++) { rxd = &sc_if->msk_cdata.msk_rxdesc[i]; if (rxd->rx_dmamap) { bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap); rxd->rx_dmamap = NULL; } } if (sc_if->msk_cdata.msk_rx_sparemap) { bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag, sc_if->msk_cdata.msk_rx_sparemap); sc_if->msk_cdata.msk_rx_sparemap = 0; } bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag); sc_if->msk_cdata.msk_rx_tag = NULL; } /* Jumbo Rx buffers. */ if (sc_if->msk_cdata.msk_jumbo_rx_tag) { for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; if (jrxd->rx_dmamap) { bus_dmamap_destroy( sc_if->msk_cdata.msk_jumbo_rx_tag, jrxd->rx_dmamap); jrxd->rx_dmamap = NULL; } } if (sc_if->msk_cdata.msk_jumbo_rx_sparemap) { bus_dmamap_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag, sc_if->msk_cdata.msk_jumbo_rx_sparemap); sc_if->msk_cdata.msk_jumbo_rx_sparemap = 0; } bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag); sc_if->msk_cdata.msk_jumbo_rx_tag = NULL; } if (sc_if->msk_cdata.msk_parent_tag) { bus_dma_tag_destroy(sc_if->msk_cdata.msk_parent_tag); sc_if->msk_cdata.msk_parent_tag = NULL; } mtx_destroy(&sc_if->msk_jlist_mtx); } /* * Allocate a jumbo buffer. */ static void * msk_jalloc(struct msk_if_softc *sc_if) { struct msk_jpool_entry *entry; MSK_JLIST_LOCK(sc_if); entry = SLIST_FIRST(&sc_if->msk_jfree_listhead); if (entry == NULL) { MSK_JLIST_UNLOCK(sc_if); return (NULL); } SLIST_REMOVE_HEAD(&sc_if->msk_jfree_listhead, jpool_entries); SLIST_INSERT_HEAD(&sc_if->msk_jinuse_listhead, entry, jpool_entries); MSK_JLIST_UNLOCK(sc_if); return (sc_if->msk_cdata.msk_jslots[entry->slot]); } /* * Release a jumbo buffer. */ static void msk_jfree(void *buf, void *args) { struct msk_if_softc *sc_if; struct msk_jpool_entry *entry; int i; /* Extract the softc struct pointer. */ sc_if = (struct msk_if_softc *)args; KASSERT(sc_if != NULL, ("%s: can't find softc pointer!", __func__)); MSK_JLIST_LOCK(sc_if); /* Calculate the slot this buffer belongs to. */ i = ((vm_offset_t)buf - (vm_offset_t)sc_if->msk_rdata.msk_jumbo_buf) / MSK_JLEN; KASSERT(i >= 0 && i < MSK_JSLOTS, ("%s: asked to free buffer that we don't manage!", __func__)); entry = SLIST_FIRST(&sc_if->msk_jinuse_listhead); KASSERT(entry != NULL, ("%s: buffer not in use!", __func__)); entry->slot = i; SLIST_REMOVE_HEAD(&sc_if->msk_jinuse_listhead, jpool_entries); SLIST_INSERT_HEAD(&sc_if->msk_jfree_listhead, entry, jpool_entries); if (SLIST_EMPTY(&sc_if->msk_jinuse_listhead)) wakeup(sc_if); MSK_JLIST_UNLOCK(sc_if); } static int msk_encap(struct msk_if_softc *sc_if, struct mbuf **m_head) { struct msk_txdesc *txd, *txd_last; struct msk_tx_desc *tx_le; struct mbuf *m; bus_dmamap_t map; bus_dma_segment_t txsegs[MSK_MAXTXSEGS]; uint32_t control, prod, si; uint16_t offset, tcp_offset, tso_mtu; int error, i, nseg, tso; MSK_IF_LOCK_ASSERT(sc_if); tcp_offset = offset = 0; m = *m_head; if ((m->m_pkthdr.csum_flags & (MSK_CSUM_FEATURES | CSUM_TSO)) != 0) { /* * Since mbuf has no protocol specific structure information * in it we have to inspect protocol information here to * setup TSO and checksum offload. I don't know why Marvell * made a such decision in chip design because other GigE * hardwares normally takes care of all these chores in * hardware. However, TSO performance of Yukon II is very * good such that it's worth to implement it. */ struct ether_header *eh; struct ip *ip; struct tcphdr *tcp; if (M_WRITABLE(m) == 0) { /* Get a writable copy. */ m = m_dup(*m_head, M_DONTWAIT); m_freem(*m_head); if (m == NULL) { *m_head = NULL; return (ENOBUFS); } *m_head = m; } offset = sizeof(struct ether_header); m = m_pullup(m, offset); if (m == NULL) { *m_head = NULL; return (ENOBUFS); } eh = mtod(m, struct ether_header *); /* Check if hardware VLAN insertion is off. */ if (eh->ether_type == htons(ETHERTYPE_VLAN)) { offset = sizeof(struct ether_vlan_header); m = m_pullup(m, offset); if (m == NULL) { *m_head = NULL; return (ENOBUFS); } } m = m_pullup(m, offset + sizeof(struct ip)); if (m == NULL) { *m_head = NULL; return (ENOBUFS); } ip = (struct ip *)(mtod(m, char *) + offset); offset += (ip->ip_hl << 2); tcp_offset = offset; /* * It seems that Yukon II has Tx checksum offload bug for * small TCP packets that's less than 60 bytes in size * (e.g. TCP window probe packet, pure ACK packet). * Common work around like padding with zeros to make the * frame minimum ethernet frame size didn't work at all. * Instead of disabling checksum offload completely we * resort to S/W checksum routine when we encounter short * TCP frames. * Short UDP packets appear to be handled correctly by * Yukon II. */ if (m->m_pkthdr.len < MSK_MIN_FRAMELEN && (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) { uint16_t csum; m = m_pullup(m, offset + sizeof(struct tcphdr)); if (m == NULL) { *m_head = NULL; return (ENOBUFS); } csum = in_cksum_skip(m, ntohs(ip->ip_len) + offset - (ip->ip_hl << 2), offset); *(uint16_t *)(m->m_data + offset + m->m_pkthdr.csum_data) = csum; m->m_pkthdr.csum_flags &= ~CSUM_TCP; } if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) { m = m_pullup(m, offset + sizeof(struct tcphdr)); if (m == NULL) { *m_head = NULL; return (ENOBUFS); } tcp = (struct tcphdr *)(mtod(m, char *) + offset); offset += (tcp->th_off << 2); } *m_head = m; } prod = sc_if->msk_cdata.msk_tx_prod; txd = &sc_if->msk_cdata.msk_txdesc[prod]; txd_last = txd; map = txd->tx_dmamap; error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, map, *m_head, txsegs, &nseg, BUS_DMA_NOWAIT); if (error == EFBIG) { m = m_collapse(*m_head, M_DONTWAIT, MSK_MAXTXSEGS); if (m == NULL) { m_freem(*m_head); *m_head = NULL; return (ENOBUFS); } *m_head = m; error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, map, *m_head, txsegs, &nseg, BUS_DMA_NOWAIT); if (error != 0) { m_freem(*m_head); *m_head = NULL; return (error); } } else if (error != 0) return (error); if (nseg == 0) { m_freem(*m_head); *m_head = NULL; return (EIO); } /* Check number of available descriptors. */ if (sc_if->msk_cdata.msk_tx_cnt + nseg >= (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT)) { bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, map); return (ENOBUFS); } control = 0; tso = 0; tx_le = NULL; /* Check TSO support. */ if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) { tso_mtu = offset + m->m_pkthdr.tso_segsz; if (tso_mtu != sc_if->msk_cdata.msk_tso_mtu) { tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; tx_le->msk_addr = htole32(tso_mtu); tx_le->msk_control = htole32(OP_LRGLEN | HW_OWNER); sc_if->msk_cdata.msk_tx_cnt++; MSK_INC(prod, MSK_TX_RING_CNT); sc_if->msk_cdata.msk_tso_mtu = tso_mtu; } tso++; } /* Check if we have a VLAN tag to insert. */ if ((m->m_flags & M_VLANTAG) != 0) { if (tso == 0) { tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; tx_le->msk_addr = htole32(0); tx_le->msk_control = htole32(OP_VLAN | HW_OWNER | htons(m->m_pkthdr.ether_vtag)); sc_if->msk_cdata.msk_tx_cnt++; MSK_INC(prod, MSK_TX_RING_CNT); } else { tx_le->msk_control |= htole32(OP_VLAN | htons(m->m_pkthdr.ether_vtag)); } control |= INS_VLAN; } /* Check if we have to handle checksum offload. */ if (tso == 0 && (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) { tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; tx_le->msk_addr = htole32(((tcp_offset + m->m_pkthdr.csum_data) & 0xffff) | ((uint32_t)tcp_offset << 16)); tx_le->msk_control = htole32(1 << 16 | (OP_TCPLISW | HW_OWNER)) ; control = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0) control |= UDPTCP; sc_if->msk_cdata.msk_tx_cnt++; MSK_INC(prod, MSK_TX_RING_CNT); } si = prod; tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[0].ds_addr)); if (tso == 0) tx_le->msk_control = htole32(txsegs[0].ds_len | control | OP_PACKET); else tx_le->msk_control = htole32(txsegs[0].ds_len | control | OP_LARGESEND); sc_if->msk_cdata.msk_tx_cnt++; MSK_INC(prod, MSK_TX_RING_CNT); for (i = 1; i < nseg; i++) { tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[i].ds_addr)); tx_le->msk_control = htole32(txsegs[i].ds_len | control | OP_BUFFER | HW_OWNER); sc_if->msk_cdata.msk_tx_cnt++; MSK_INC(prod, MSK_TX_RING_CNT); } /* Update producer index. */ sc_if->msk_cdata.msk_tx_prod = prod; /* Set EOP on the last desciptor. */ prod = (prod + MSK_TX_RING_CNT - 1) % MSK_TX_RING_CNT; tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; tx_le->msk_control |= htole32(EOP); /* Turn the first descriptor ownership to hardware. */ tx_le = &sc_if->msk_rdata.msk_tx_ring[si]; tx_le->msk_control |= htole32(HW_OWNER); txd = &sc_if->msk_cdata.msk_txdesc[prod]; map = txd_last->tx_dmamap; txd_last->tx_dmamap = txd->tx_dmamap; txd->tx_dmamap = map; txd->tx_m = m; /* Sync descriptors. */ bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, map, BUS_DMASYNC_PREWRITE) ; bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, sc_if->msk_cdata.msk_tx_ring_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); return (0); } static void msk_tx_task(void *arg, int pending) { struct ifnet *ifp; ifp = arg; msk_start(ifp); } static void msk_start(struct ifnet *ifp) { struct msk_if_softc *sc_if; struct mbuf *m_head; int enq; sc_if = ifp->if_softc; MSK_IF_LOCK(sc_if); if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != IFF_DRV_RUNNING || sc_if->msk_link == 0) { MSK_IF_UNLOCK(sc_if); return; } for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) && sc_if->msk_cdata.msk_tx_cnt < (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT); ) { IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); if (m_head == NULL) break; /* * Pack the data into the transmit ring. If we * don't have room, set the OACTIVE flag and wait * for the NIC to drain the ring. */ if (msk_encap(sc_if, &m_head) != 0) { if (m_head == NULL) break; IFQ_DRV_PREPEND(&ifp->if_snd, m_head); ifp->if_drv_flags |= IFF_DRV_OACTIVE; break; } enq++; /* * If there's a BPF listener, bounce a copy of this frame * to him. */ ETHER_BPF_MTAP(ifp, m_head); } if (enq > 0) { /* Transmit */ CSR_WRITE_2(sc_if->msk_softc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_tx_prod); /* Set a timeout in case the chip goes out to lunch. */ sc_if->msk_watchdog_timer = MSK_TX_TIMEOUT; } MSK_IF_UNLOCK(sc_if); } static void msk_watchdog(struct msk_if_softc *sc_if) { struct ifnet *ifp; uint32_t ridx; int idx; MSK_IF_LOCK_ASSERT(sc_if); if (sc_if->msk_watchdog_timer == 0 || --sc_if->msk_watchdog_timer) return; ifp = sc_if->msk_ifp; if (sc_if->msk_link == 0) { if (bootverbose) if_printf(sc_if->msk_ifp, "watchdog timeout " "(missed link)\n"); ifp->if_oerrors++; msk_init_locked(sc_if); return; } /* * Reclaim first as there is a possibility of losing Tx completion * interrupts. */ ridx = sc_if->msk_port == MSK_PORT_A ? STAT_TXA1_RIDX : STAT_TXA2_RIDX; idx = CSR_READ_2(sc_if->msk_softc, ridx); if (sc_if->msk_cdata.msk_tx_cons != idx) { msk_txeof(sc_if, idx); if (sc_if->msk_cdata.msk_tx_cnt == 0) { if_printf(ifp, "watchdog timeout (missed Tx interrupts) " "-- recovering\n"); if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) taskqueue_enqueue(taskqueue_fast, &sc_if->msk_tx_task); return; } } if_printf(ifp, "watchdog timeout\n"); ifp->if_oerrors++; msk_init_locked(sc_if); if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) taskqueue_enqueue(taskqueue_fast, &sc_if->msk_tx_task); } static int mskc_shutdown(device_t dev) { struct msk_softc *sc; int i; sc = device_get_softc(dev); MSK_LOCK(sc); for (i = 0; i < sc->msk_num_port; i++) { if (sc->msk_if[i] != NULL) msk_stop(sc->msk_if[i]); } /* Disable all interrupts. */ CSR_WRITE_4(sc, B0_IMSK, 0); CSR_READ_4(sc, B0_IMSK); CSR_WRITE_4(sc, B0_HWE_IMSK, 0); CSR_READ_4(sc, B0_HWE_IMSK); /* Put hardware reset. */ CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); MSK_UNLOCK(sc); return (0); } static int mskc_suspend(device_t dev) { struct msk_softc *sc; int i; sc = device_get_softc(dev); MSK_LOCK(sc); for (i = 0; i < sc->msk_num_port; i++) { if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL && ((sc->msk_if[i]->msk_ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)) msk_stop(sc->msk_if[i]); } /* Disable all interrupts. */ CSR_WRITE_4(sc, B0_IMSK, 0); CSR_READ_4(sc, B0_IMSK); CSR_WRITE_4(sc, B0_HWE_IMSK, 0); CSR_READ_4(sc, B0_HWE_IMSK); msk_phy_power(sc, MSK_PHY_POWERDOWN); /* Put hardware reset. */ CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); sc->msk_suspended = 1; MSK_UNLOCK(sc); return (0); } static int mskc_resume(device_t dev) { struct msk_softc *sc; int i; sc = device_get_softc(dev); MSK_LOCK(sc); mskc_reset(sc); for (i = 0; i < sc->msk_num_port; i++) { if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL && ((sc->msk_if[i]->msk_ifp->if_flags & IFF_UP) != 0)) msk_init_locked(sc->msk_if[i]); } sc->msk_suspended = 0; MSK_UNLOCK(sc); return (0); } #ifndef __NO_STRICT_ALIGNMENT static __inline void msk_fixup_rx(struct mbuf *m) { int i; uint16_t *src, *dst; src = mtod(m, uint16_t *); dst = src - 3; for (i = 0; i < (m->m_len / sizeof(uint16_t) + 1); i++) *dst++ = *src++; m->m_data -= (MSK_RX_BUF_ALIGN - ETHER_ALIGN); } #endif static void msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, int len) { struct mbuf *m; struct ifnet *ifp; struct msk_rxdesc *rxd; int cons, rxlen; ifp = sc_if->msk_ifp; MSK_IF_LOCK_ASSERT(sc_if); cons = sc_if->msk_cdata.msk_rx_cons; do { rxlen = status >> 16; if ((status & GMR_FS_VLAN) != 0 && (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) rxlen -= ETHER_VLAN_ENCAP_LEN; if (len > sc_if->msk_framesize || ((status & GMR_FS_ANY_ERR) != 0) || ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) { /* Don't count flow-control packet as errors. */ if ((status & GMR_FS_GOOD_FC) == 0) ifp->if_ierrors++; msk_discard_rxbuf(sc_if, cons); break; } rxd = &sc_if->msk_cdata.msk_rxdesc[cons]; m = rxd->rx_m; if (msk_newbuf(sc_if, cons) != 0) { ifp->if_iqdrops++; /* Reuse old buffer. */ msk_discard_rxbuf(sc_if, cons); break; } m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = m->m_len = len; #ifndef __NO_STRICT_ALIGNMENT if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) msk_fixup_rx(m); #endif ifp->if_ipackets++; /* Check for VLAN tagged packets. */ if ((status & GMR_FS_VLAN) != 0 && (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { m->m_pkthdr.ether_vtag = sc_if->msk_vtag; m->m_flags |= M_VLANTAG; } MSK_IF_UNLOCK(sc_if); (*ifp->if_input)(ifp, m); MSK_IF_LOCK(sc_if); } while (0); MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT); MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_RX_RING_CNT); } static void msk_jumbo_rxeof(struct msk_if_softc *sc_if, uint32_t status, int len) { struct mbuf *m; struct ifnet *ifp; struct msk_rxdesc *jrxd; int cons, rxlen; ifp = sc_if->msk_ifp; MSK_IF_LOCK_ASSERT(sc_if); cons = sc_if->msk_cdata.msk_rx_cons; do { rxlen = status >> 16; if ((status & GMR_FS_VLAN) != 0 && (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) rxlen -= ETHER_VLAN_ENCAP_LEN; if (len > sc_if->msk_framesize || ((status & GMR_FS_ANY_ERR) != 0) || ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) { /* Don't count flow-control packet as errors. */ if ((status & GMR_FS_GOOD_FC) == 0) ifp->if_ierrors++; msk_discard_jumbo_rxbuf(sc_if, cons); break; } jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons]; m = jrxd->rx_m; if (msk_jumbo_newbuf(sc_if, cons) != 0) { ifp->if_iqdrops++; /* Reuse old buffer. */ msk_discard_jumbo_rxbuf(sc_if, cons); break; } m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = m->m_len = len; #ifndef __NO_STRICT_ALIGNMENT if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) msk_fixup_rx(m); #endif ifp->if_ipackets++; /* Check for VLAN tagged packets. */ if ((status & GMR_FS_VLAN) != 0 && (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { m->m_pkthdr.ether_vtag = sc_if->msk_vtag; m->m_flags |= M_VLANTAG; } MSK_IF_UNLOCK(sc_if); (*ifp->if_input)(ifp, m); MSK_IF_LOCK(sc_if); } while (0); MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT); MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_JUMBO_RX_RING_CNT); } static void msk_txeof(struct msk_if_softc *sc_if, int idx) { struct msk_txdesc *txd; struct msk_tx_desc *cur_tx; struct ifnet *ifp; uint32_t control; int cons, prog; MSK_IF_LOCK_ASSERT(sc_if); ifp = sc_if->msk_ifp; bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, sc_if->msk_cdata.msk_tx_ring_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); /* * Go through our tx ring and free mbufs for those * frames that have been sent. */ cons = sc_if->msk_cdata.msk_tx_cons; prog = 0; for (; cons != idx; MSK_INC(cons, MSK_TX_RING_CNT)) { if (sc_if->msk_cdata.msk_tx_cnt <= 0) break; prog++; cur_tx = &sc_if->msk_rdata.msk_tx_ring[cons]; control = le32toh(cur_tx->msk_control); sc_if->msk_cdata.msk_tx_cnt--; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; if ((control & EOP) == 0) continue; txd = &sc_if->msk_cdata.msk_txdesc[cons]; bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap); ifp->if_opackets++; KASSERT(txd->tx_m != NULL, ("%s: freeing NULL mbuf!", __func__)); m_freem(txd->tx_m); txd->tx_m = NULL; } if (prog > 0) { sc_if->msk_cdata.msk_tx_cons = cons; if (sc_if->msk_cdata.msk_tx_cnt == 0) sc_if->msk_watchdog_timer = 0; /* No need to sync LEs as we didn't update LEs. */ } } static void msk_tick(void *xsc_if) { struct msk_if_softc *sc_if; struct mii_data *mii; sc_if = xsc_if; MSK_IF_LOCK_ASSERT(sc_if); mii = device_get_softc(sc_if->msk_miibus); mii_tick(mii); msk_watchdog(sc_if); callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if); } static void msk_intr_phy(struct msk_if_softc *sc_if) { uint16_t status; msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT); status = msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT); /* Handle FIFO Underrun/Overflow? */ if ((status & PHY_M_IS_FIFO_ERROR)) device_printf(sc_if->msk_if_dev, "PHY FIFO underrun/overflow.\n"); } static void msk_intr_gmac(struct msk_if_softc *sc_if) { struct msk_softc *sc; uint8_t status; sc = sc_if->msk_softc; status = CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC)); /* GMAC Rx FIFO overrun. */ if ((status & GM_IS_RX_FF_OR) != 0) { CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); device_printf(sc_if->msk_if_dev, "Rx FIFO overrun!\n"); } /* GMAC Tx FIFO underrun. */ if ((status & GM_IS_TX_FF_UR) != 0) { CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); device_printf(sc_if->msk_if_dev, "Tx FIFO underrun!\n"); /* * XXX * In case of Tx underrun, we may need to flush/reset * Tx MAC but that would also require resynchronization * with status LEs. Reintializing status LEs would * affect other port in dual MAC configuration so it * should be avoided as possible as we can. * Due to lack of documentation it's all vague guess but * it needs more investigation. */ } } static void msk_handle_hwerr(struct msk_if_softc *sc_if, uint32_t status) { struct msk_softc *sc; sc = sc_if->msk_softc; if ((status & Y2_IS_PAR_RD1) != 0) { device_printf(sc_if->msk_if_dev, "RAM buffer read parity error\n"); /* Clear IRQ. */ CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL), RI_CLR_RD_PERR); } if ((status & Y2_IS_PAR_WR1) != 0) { device_printf(sc_if->msk_if_dev, "RAM buffer write parity error\n"); /* Clear IRQ. */ CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL), RI_CLR_WR_PERR); } if ((status & Y2_IS_PAR_MAC1) != 0) { device_printf(sc_if->msk_if_dev, "Tx MAC parity error\n"); /* Clear IRQ. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_CLI_TX_PE); } if ((status & Y2_IS_PAR_RX1) != 0) { device_printf(sc_if->msk_if_dev, "Rx parity error\n"); /* Clear IRQ. */ CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_IRQ_PAR) ; } if ((status & (Y2_IS_TCP_TXS1 | Y2_IS_TCP_TXA1)) != 0) { device_printf(sc_if->msk_if_dev, "TCP segmentation error\n"); /* Clear IRQ. */ CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_IRQ_TCP) ; } } static void msk_intr_hwerr(struct msk_softc *sc) { uint32_t status; uint32_t tlphead[4]; status = CSR_READ_4(sc, B0_HWE_ISRC); /* Time Stamp timer overflow. */ if ((status & Y2_IS_TIST_OV) != 0) CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); if ((status & Y2_IS_PCI_NEXP) != 0) { /* * PCI Express Error occured which is not described in PEX * spec. * This error is also mapped either to Master Abort( * Y2_IS_MST_ERR) or Target Abort (Y2_IS_IRQ_STAT) bit and * can only be cleared there. */ device_printf(sc->msk_dev, "PCI Express protocol violation error\n"); } if ((status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) != 0) { uint16_t v16; if ((status & Y2_IS_MST_ERR) != 0) device_printf(sc->msk_dev, "unexpected IRQ Status error\n"); else device_printf(sc->msk_dev, "unexpected IRQ Master error\n"); /* Reset all bits in the PCI status register. */ v16 = pci_read_config(sc->msk_dev, PCIR_STATUS, 2); CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); pci_write_config(sc->msk_dev, PCIR_STATUS, v16 | PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT | PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2); CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } /* Check for PCI Express Uncorrectable Error. */ if ((status & Y2_IS_PCI_EXP) != 0) { uint32_t v32; /* * On PCI Express bus bridges are called root complexes (RC). * PCI Express errors are recognized by the root complex too, * which requests the system to handle the problem. After * error occurence it may be that no access to the adapter * may be performed any longer. */ v32 = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT); if ((v32 & PEX_UNSUP_REQ) != 0) { /* Ignore unsupported request error. */ device_printf(sc->msk_dev, "Uncorrectable PCI Express error\n"); } if ((v32 & (PEX_FATAL_ERRORS | PEX_POIS_TLP)) != 0) { int i; /* Get TLP header form Log Registers. */ for (i = 0; i < 4; i++) tlphead[i] = CSR_PCI_READ_4(sc, PEX_HEADER_LOG + i * 4); /* Check for vendor defined broadcast message. */ if (!(tlphead[0] == 0x73004001 && tlphead[1] == 0x7f)) { sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP; CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask); CSR_READ_4(sc, B0_HWE_IMSK); } } /* Clear the interrupt. */ CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff); CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } if ((status & Y2_HWE_L1_MASK) != 0 && sc->msk_if[MSK_PORT_A] != NULL) msk_handle_hwerr(sc->msk_if[MSK_PORT_A], status); if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL) msk_handle_hwerr(sc->msk_if[MSK_PORT_B], status >> 8); } static __inline void msk_rxput(struct msk_if_softc *sc_if) { struct msk_softc *sc; sc = sc_if->msk_softc; if (sc_if->msk_framesize >(MCLBYTES - ETHER_HDR_LEN)) bus_dmamap_sync( sc_if->msk_cdata.msk_jumbo_rx_ring_tag, sc_if->msk_cdata.msk_jumbo_rx_ring_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); else bus_dmamap_sync( sc_if->msk_cdata.msk_rx_ring_tag, sc_if->msk_cdata.msk_rx_ring_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod); } static int msk_handle_events(struct msk_softc *sc) { struct msk_if_softc *sc_if; int rxput[2]; struct msk_stat_desc *sd; uint32_t control, status; int cons, idx, len, port, rxprog; idx = CSR_READ_2(sc, STAT_PUT_IDX); if (idx == sc->msk_stat_cons) return (0); /* Sync status LEs. */ bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); /* XXX Sync Rx LEs here. */ rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0; rxprog = 0; for (cons = sc->msk_stat_cons; cons != idx;) { sd = &sc->msk_stat_ring[cons]; control = le32toh(sd->msk_control); if ((control & HW_OWNER) == 0) break; /* * Marvell's FreeBSD driver updates status LE after clearing * HW_OWNER. However we don't have a way to sync single LE * with bus_dma(9) API. bus_dma(9) provides a way to sync * an entire DMA map. So don't sync LE until we have a better * way to sync LEs. */ control &= ~HW_OWNER; sd->msk_control = htole32(control); status = le32toh(sd->msk_status); len = control & STLE_LEN_MASK; port = (control >> 16) & 0x01; sc_if = sc->msk_if[port]; if (sc_if == NULL) { device_printf(sc->msk_dev, "invalid port opcode " "0x%08x\n", control & STLE_OP_MASK); continue; } switch (control & STLE_OP_MASK) { case OP_RXVLAN: sc_if->msk_vtag = ntohs(len); break; case OP_RXCHKSVLAN: sc_if->msk_vtag = ntohs(len); break; case OP_RXSTAT: if (sc_if->msk_framesize > (MCLBYTES - ETHER_HDR_LEN)) msk_jumbo_rxeof(sc_if, status, len); else msk_rxeof(sc_if, status, len); rxprog++; /* * Because there is no way to sync single Rx LE * put the DMA sync operation off until the end of * event processing. */ rxput[port]++; /* Update prefetch unit if we've passed water mark. */ if (rxput[port] >= sc_if->msk_cdata.msk_rx_putwm) { msk_rxput(sc_if); rxput[port] = 0; } break; case OP_TXINDEXLE: if (sc->msk_if[MSK_PORT_A] != NULL) msk_txeof(sc->msk_if[MSK_PORT_A], status & STLE_TXA1_MSKL); if (sc->msk_if[MSK_PORT_B] != NULL) msk_txeof(sc->msk_if[MSK_PORT_B], ((status & STLE_TXA2_MSKL) >> STLE_TXA2_SHIFTL) | ((len & STLE_TXA2_MSKH) << STLE_TXA2_SHIFTH)); break; default: device_printf(sc->msk_dev, "unhandled opcode 0x%08x\n", control & STLE_OP_MASK); break; } MSK_INC(cons, MSK_STAT_RING_CNT); if (rxprog > sc->msk_process_limit) break; } sc->msk_stat_cons = cons; /* XXX We should sync status LEs here. See above notes. */ if (rxput[MSK_PORT_A] > 0) msk_rxput(sc->msk_if[MSK_PORT_A]); if (rxput[MSK_PORT_B] > 0) msk_rxput(sc->msk_if[MSK_PORT_B]); return (sc->msk_stat_cons != CSR_READ_2(sc, STAT_PUT_IDX)); } /* Legacy interrupt handler for shared interrupt. */ static void msk_legacy_intr(void *xsc) { struct msk_softc *sc; struct msk_if_softc *sc_if0, *sc_if1; struct ifnet *ifp0, *ifp1; uint32_t status; sc = xsc; MSK_LOCK(sc); /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */ status = CSR_READ_4(sc, B0_Y2_SP_ISRC2); if (status == 0 || status == 0xffffffff || sc->msk_suspended != 0 || (status & sc->msk_intrmask) == 0) { CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); return; } sc_if0 = sc->msk_if[MSK_PORT_A]; sc_if1 = sc->msk_if[MSK_PORT_B]; ifp0 = ifp1 = NULL; if (sc_if0 != NULL) ifp0 = sc_if0->msk_ifp; if (sc_if1 != NULL) ifp1 = sc_if1->msk_ifp; if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL) msk_intr_phy(sc_if0); if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL) msk_intr_phy(sc_if1); if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL) msk_intr_gmac(sc_if0); if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL) msk_intr_gmac(sc_if1); if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) { device_printf(sc->msk_dev, "Rx descriptor error\n"); sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2); CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); CSR_READ_4(sc, B0_IMSK); } if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) { device_printf(sc->msk_dev, "Tx descriptor error\n"); sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2); CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); CSR_READ_4(sc, B0_IMSK); } if ((status & Y2_IS_HW_ERR) != 0) msk_intr_hwerr(sc); while (msk_handle_events(sc) != 0) ; if ((status & Y2_IS_STAT_BMU) != 0) CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ); /* Reenable interrupts. */ CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 && !IFQ_DRV_IS_EMPTY(&ifp0->if_snd)) taskqueue_enqueue(taskqueue_fast, &sc_if0->msk_tx_task); if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 && !IFQ_DRV_IS_EMPTY(&ifp1->if_snd)) taskqueue_enqueue(taskqueue_fast, &sc_if1->msk_tx_task); MSK_UNLOCK(sc); } static int msk_intr(void *xsc) { struct msk_softc *sc; uint32_t status; sc = xsc; status = CSR_READ_4(sc, B0_Y2_SP_ISRC2); /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */ if (status == 0 || status == 0xffffffff) { CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); return (FILTER_STRAY); } taskqueue_enqueue(sc->msk_tq, &sc->msk_int_task); return (FILTER_HANDLED); } static void msk_int_task(void *arg, int pending) { struct msk_softc *sc; struct msk_if_softc *sc_if0, *sc_if1; struct ifnet *ifp0, *ifp1; uint32_t status; int domore; sc = arg; MSK_LOCK(sc); /* Get interrupt source. */ status = CSR_READ_4(sc, B0_ISRC); if (status == 0 || status == 0xffffffff || sc->msk_suspended != 0 || (status & sc->msk_intrmask) == 0) goto done; sc_if0 = sc->msk_if[MSK_PORT_A]; sc_if1 = sc->msk_if[MSK_PORT_B]; ifp0 = ifp1 = NULL; if (sc_if0 != NULL) ifp0 = sc_if0->msk_ifp; if (sc_if1 != NULL) ifp1 = sc_if1->msk_ifp; if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL) msk_intr_phy(sc_if0); if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL) msk_intr_phy(sc_if1); if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL) msk_intr_gmac(sc_if0); if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL) msk_intr_gmac(sc_if1); if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) { device_printf(sc->msk_dev, "Rx descriptor error\n"); sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2); CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); CSR_READ_4(sc, B0_IMSK); } if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) { device_printf(sc->msk_dev, "Tx descriptor error\n"); sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2); CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); CSR_READ_4(sc, B0_IMSK); } if ((status & Y2_IS_HW_ERR) != 0) msk_intr_hwerr(sc); domore = msk_handle_events(sc); if ((status & Y2_IS_STAT_BMU) != 0) CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ); if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 && !IFQ_DRV_IS_EMPTY(&ifp0->if_snd)) taskqueue_enqueue(taskqueue_fast, &sc_if0->msk_tx_task); if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 && !IFQ_DRV_IS_EMPTY(&ifp1->if_snd)) taskqueue_enqueue(taskqueue_fast, &sc_if1->msk_tx_task); if (domore > 0) { taskqueue_enqueue(sc->msk_tq, &sc->msk_int_task); MSK_UNLOCK(sc); return; } done: MSK_UNLOCK(sc); /* Reenable interrupts. */ CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); } static void msk_init(void *xsc) { struct msk_if_softc *sc_if = xsc; MSK_IF_LOCK(sc_if); msk_init_locked(sc_if); MSK_IF_UNLOCK(sc_if); } static void msk_init_locked(struct msk_if_softc *sc_if) { struct msk_softc *sc; struct ifnet *ifp; struct mii_data *mii; uint16_t eaddr[ETHER_ADDR_LEN / 2]; uint16_t gmac; int error, i; MSK_IF_LOCK_ASSERT(sc_if); ifp = sc_if->msk_ifp; sc = sc_if->msk_softc; mii = device_get_softc(sc_if->msk_miibus); error = 0; /* Cancel pending I/O and free all Rx/Tx buffers. */ msk_stop(sc_if); sc_if->msk_framesize = ifp->if_mtu + ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN; if (sc_if->msk_framesize > MSK_MAX_FRAMELEN && sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_EC_U) { /* * In Yukon EC Ultra, TSO & checksum offload is not * supported for jumbo frame. */ ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO); ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM); } /* * Initialize GMAC first. * Without this initialization, Rx MAC did not work as expected * and Rx MAC garbled status LEs and it resulted in out-of-order * or duplicated frame delivery which in turn showed very poor * Rx performance.(I had to write a packet analysis code that * could be embeded in driver to diagnose this issue.) * I've spent almost 2 months to fix this issue. If I have had * datasheet for Yukon II I wouldn't have encountered this. :-( */ gmac = GM_GPCR_SPEED_100 | GM_GPCR_SPEED_1000 | GM_GPCR_DUP_FULL; GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); /* Dummy read the Interrupt Source Register. */ CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC)); /* Set MIB Clear Counter Mode. */ gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR); GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR); /* Read all MIB Counters with Clear Mode set. */ for (i = 0; i < GM_MIB_CNT_SIZE; i++) GMAC_READ_2(sc, sc_if->msk_port, GM_MIB_CNT_BASE + 8 * i); /* Clear MIB Clear Counter Mode. */ gmac &= ~GM_PAR_MIB_CLR; GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac); /* Disable FCS. */ GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, GM_RXCR_CRC_DIS); /* Setup Transmit Control Register. */ GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); /* Setup Transmit Flow Control Register. */ GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_FLOW_CTRL, 0xffff); /* Setup Transmit Parameter Register. */ GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_PARAM, TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); gmac = DATA_BLIND_VAL(DATA_BLIND_DEF) | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); if (sc_if->msk_framesize > MSK_MAX_FRAMELEN) gmac |= GM_SMOD_JUMBO_ENA; GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac); /* Set station address. */ bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN); for (i = 0; i < ETHER_ADDR_LEN /2; i++) GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L + i * 4, eaddr[i]); for (i = 0; i < ETHER_ADDR_LEN /2; i++) GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L + i * 4, eaddr[i]); /* Disable interrupts for counter overflows. */ GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_IRQ_MSK, 0); GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_IRQ_MSK, 0); GMAC_WRITE_2(sc, sc_if->msk_port, GM_TR_IRQ_MSK, 0); /* Configure Rx MAC FIFO. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET); CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR); CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_OPER_ON | GMF_RX_F_FL_ON); /* Set promiscuous mode. */ msk_setpromisc(sc_if); /* Set multicast filter. */ msk_setmulti(sc_if); /* Flush Rx MAC FIFO on any flow control or error. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); /* * Set Rx FIFO flush threshold to 64 bytes + 1 FIFO word * due to hardware hang on receipt of pause frames. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF + 1); /* Configure Tx MAC FIFO. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET); CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR); CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_OPER_ON); /* Configure hardware VLAN tag insertion/stripping. */ msk_setvlan(sc_if, ifp); if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) { /* Set Rx Pause threshould. */ CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR), MSK_ECU_LLPP); CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR), MSK_ECU_ULPP); if (sc_if->msk_framesize > MSK_MAX_FRAMELEN) { /* * Set Tx GMAC FIFO Almost Empty Threshold. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR) , MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR); /* Disable Store & Forward mode for Tx. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T) , TX_JUMBO_ENA | TX_STFW_DIS); } else { /* Enable Store & Forward mode for Tx. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T) , TX_JUMBO_DIS | TX_STFW_ENA); } } /* * Disable Force Sync bit and Alloc bit in Tx RAM interface * arbiter as we don't use Sync Tx queue. */ CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); /* Enable the RAM Interface Arbiter. */ CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_ENA_ARB); /* Setup RAM buffer. */ msk_set_rambuffer(sc_if); /* Disable Tx sync Queue. */ CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txsq, RB_CTRL), RB_RST_SET); /* Setup Tx Queue Bus Memory Interface. */ CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_RESET); CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_OPER_INIT); CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_FIFO_OP_ON); CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_WM), MSK_BMU_TX_WM); if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U && sc->msk_hw_rev == CHIP_REV_YU_EC_U_A0) { /* Fix for Yukon-EC Ultra: set BMU FIFO level */ CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_AL), MSK_ECU_TXFF_LEV) ; } /* Setup Rx Queue Bus Memory Interface. */ CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_RESET); CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_OPER_INIT); CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_FIFO_OP_ON); CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_rxq, Q_WM), MSK_BMU_RX_WM); if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U && sc->msk_hw_rev >= CHIP_REV_YU_EC_U_A1) { /* MAC Rx RAM Read is controlled by hardware. */ CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_F), F_M_RX_RAM_DIS); } msk_set_prefetch(sc, sc_if->msk_txq, sc_if->msk_rdata.msk_tx_ring_paddr, MSK_TX_RING_CNT - 1); msk_init_tx_ring(sc_if); /* Disable Rx checksum offload and RSS hash. */ CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_DIS_RX_CHKSUM | BMU_DIS_RX_RSS_HASH); if (sc_if->msk_framesize > (MCLBYTES - ETHER_HDR_LEN)) { msk_set_prefetch(sc, sc_if->msk_rxq, sc_if->msk_rdata.msk_jumbo_rx_ring_paddr, MSK_JUMBO_RX_RING_CNT - 1); error = msk_init_jumbo_rx_ring(sc_if); } else { msk_set_prefetch(sc, sc_if->msk_rxq, sc_if->msk_rdata.msk_rx_ring_paddr, MSK_RX_RING_CNT - 1); error = msk_init_rx_ring(sc_if); } if (error != 0) { device_printf(sc_if->msk_if_dev, "initialization failed: no memory for Rx buffers\n"); msk_stop(sc_if); return; } /* Configure interrupt handling. */ if (sc_if->msk_port == MSK_PORT_A) { sc->msk_intrmask |= Y2_IS_PORT_A; sc->msk_intrhwemask |= Y2_HWE_L1_MASK; } else { sc->msk_intrmask |= Y2_IS_PORT_B; sc->msk_intrhwemask |= Y2_HWE_L2_MASK; } CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask); CSR_READ_4(sc, B0_HWE_IMSK); CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); CSR_READ_4(sc, B0_IMSK); sc_if->msk_link = 0; mii_mediachg(mii); ifp->if_drv_flags |= IFF_DRV_RUNNING; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if); } static void msk_set_rambuffer(struct msk_if_softc *sc_if) { struct msk_softc *sc; int ltpp, utpp; sc = sc_if->msk_softc; if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) return; /* Setup Rx Queue. */ CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_CLR); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_START), sc->msk_rxqstart[sc_if->msk_port] / 8); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_END), sc->msk_rxqend[sc_if->msk_port] / 8); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_WP), sc->msk_rxqstart[sc_if->msk_port] / 8); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RP), sc->msk_rxqstart[sc_if->msk_port] / 8); utpp = (sc->msk_rxqend[sc_if->msk_port] + 1 - sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_ULPP) / 8; ltpp = (sc->msk_rxqend[sc_if->msk_port] + 1 - sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_LLPP_B) / 8; if (sc->msk_rxqsize < MSK_MIN_RXQ_SIZE) ltpp += (MSK_RB_LLPP_B - MSK_RB_LLPP_S) / 8; CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_UTPP), utpp); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_LTPP), ltpp); /* Set Rx priority(RB_RX_UTHP/RB_RX_LTHP) thresholds? */ CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_ENA_OP_MD); CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL)); /* Setup Tx Queue. */ CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_CLR); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_START), sc->msk_txqstart[sc_if->msk_port] / 8); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_END), sc->msk_txqend[sc_if->msk_port] / 8); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_WP), sc->msk_txqstart[sc_if->msk_port] / 8); CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_RP), sc->msk_txqstart[sc_if->msk_port] / 8); /* Enable Store & Forward for Tx side. */ CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_STFWD); CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_OP_MD); CSR_READ_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL)); } static void msk_set_prefetch(struct msk_softc *sc, int qaddr, bus_addr_t addr, uint32_t count) { /* Reset the prefetch unit. */ CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), PREF_UNIT_RST_SET); CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), PREF_UNIT_RST_CLR); /* Set LE base address. */ CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_LOW_REG), MSK_ADDR_LO(addr)); CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_HI_REG), MSK_ADDR_HI(addr)); /* Set the list last index. */ CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_LAST_IDX_REG), count); /* Turn on prefetch unit. */ CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), PREF_UNIT_OP_ON); /* Dummy read to ensure write. */ CSR_READ_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG)); } static void msk_stop(struct msk_if_softc *sc_if) { struct msk_softc *sc; struct msk_txdesc *txd; struct msk_rxdesc *rxd; struct msk_rxdesc *jrxd; struct ifnet *ifp; uint32_t val; int i; MSK_IF_LOCK_ASSERT(sc_if); sc = sc_if->msk_softc; ifp = sc_if->msk_ifp; callout_stop(&sc_if->msk_tick_ch); sc_if->msk_watchdog_timer = 0; /* Disable interrupts. */ if (sc_if->msk_port == MSK_PORT_A) { sc->msk_intrmask &= ~Y2_IS_PORT_A; sc->msk_intrhwemask &= ~Y2_HWE_L1_MASK; } else { sc->msk_intrmask &= ~Y2_IS_PORT_B; sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK; } CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask); CSR_READ_4(sc, B0_HWE_IMSK); CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); CSR_READ_4(sc, B0_IMSK); /* Disable Tx/Rx MAC. */ val = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); val &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, val); /* Read again to ensure writing. */ GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); /* Stop Tx BMU. */ CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP); val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR)); for (i = 0; i < MSK_TIMEOUT; i++) { if ((val & (BMU_STOP | BMU_IDLE)) == 0) { CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP); CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR)); } else break; DELAY(1); } if (i == MSK_TIMEOUT) device_printf(sc_if->msk_if_dev, "Tx BMU stop failed\n"); CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET | RB_DIS_OP_MD); /* Disable all GMAC interrupt. */ CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 0); /* Disable PHY interrupt. */ msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0); /* Disable the RAM Interface Arbiter. */ CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_ARB); /* Reset the PCI FIFO of the async Tx queue */ CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); /* Reset the Tx prefetch units. */ CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_CTRL_REG), PREF_UNIT_RST_SET); /* Reset the RAM Buffer async Tx queue. */ CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET); /* Reset Tx MAC FIFO. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET); /* Set Pause Off. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_PAUSE_OFF); /* * The Rx Stop command will not work for Yukon-2 if the BMU does not * reach the end of packet and since we can't make sure that we have * incoming data, we must reset the BMU while it is not during a DMA * transfer. Since it is possible that the Rx path is still active, * the Rx RAM buffer will be stopped first, so any possible incoming * data will not trigger a DMA. After the RAM buffer is stopped, the * BMU is polled until any DMA in progress is ended and only then it * will be reset. */ /* Disable the RAM Buffer receive queue. */ CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_DIS_OP_MD); for (i = 0; i < MSK_TIMEOUT; i++) { if (CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RSL)) == CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RL))) break; DELAY(1); } if (i == MSK_TIMEOUT) device_printf(sc_if->msk_if_dev, "Rx BMU stop failed\n"); CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); /* Reset the Rx prefetch unit. */ CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_CTRL_REG), PREF_UNIT_RST_SET); /* Reset the RAM Buffer receive queue. */ CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_SET); /* Reset Rx MAC FIFO. */ CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET); /* Free Rx and Tx mbufs still in the queues. */ for (i = 0; i < MSK_RX_RING_CNT; i++) { rxd = &sc_if->msk_cdata.msk_rxdesc[i]; if (rxd->rx_m != NULL) { bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap); m_freem(rxd->rx_m); rxd->rx_m = NULL; } } for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; if (jrxd->rx_m != NULL) { bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, jrxd->rx_dmamap, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag, jrxd->rx_dmamap); m_freem(jrxd->rx_m); jrxd->rx_m = NULL; } } for (i = 0; i < MSK_TX_RING_CNT; i++) { txd = &sc_if->msk_cdata.msk_txdesc[i]; if (txd->tx_m != NULL) { bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap); m_freem(txd->tx_m); txd->tx_m = NULL; } } /* * Mark the interface down. */ ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); sc_if->msk_link = 0; } static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high) { int error, value; if (!arg1) return (EINVAL); value = *(int *)arg1; error = sysctl_handle_int(oidp, &value, 0, req); if (error || !req->newptr) return (error); if (value < low || value > high) return (EINVAL); *(int *)arg1 = value; return (0); } static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS) { return (sysctl_int_range(oidp, arg1, arg2, req, MSK_PROC_MIN, MSK_PROC_MAX)); } [36]Legal Notices | © 1995-2008 The FreeBSD Project. All rights reserved. [37]www@FreeBSD.org 2008/09/23 16:31:45 References 1. http://www.freebsd.org/search/opensearch/cvsweb.xml 2. file://localhost/tmp/tmpnlfd-U.html#content 3. file://localhost/tmp/tmpnlfd-U.html#content 4. http://www.FreeBSD.org/ 5. file://localhost/tmp/tmpnlfd-U.html 6. file://localhost/tmp/tmpnlfd-U.html 7. http://www.FreeBSD.org/donations/ 8. http://www.FreeBSD.org/mailto.html 9. http://www.FreeBSD.org/ 10. http://www.FreeBSD.org/about.html 11. http://www.FreeBSD.org/where.html 12. http://www.FreeBSD.org/docs.html 13. http://www.FreeBSD.org/community.html 14. http://www.FreeBSD.org/projects/index.html 15. http://www.FreeBSD.org/support.html 16. file://localhost/tmp/if_msk.c#rev1.34 17. file://localhost/tmp/if_msk.c#rev1.34 18. file://localhost/cgi/cvsweb.cgi/#dirlist 19. file://localhost/cgi/cvsweb.cgi/src/#dirlist 20. file://localhost/cgi/cvsweb.cgi/src/sys/#dirlist 21. file://localhost/cgi/cvsweb.cgi/src/sys/dev/#dirlist 22. file://localhost/cgi/cvsweb.cgi/src/sys/dev/msk/#dirlist 23. file://localhost/cgi/cvsweb.cgi/#dirlist 24. file://localhost/cgi/cvsweb.cgi/src/#dirlist 25. file://localhost/cgi/cvsweb.cgi/src/sys/#dirlist 26. file://localhost/cgi/cvsweb.cgi/src/sys/dev/#dirlist 27. file://localhost/cgi/cvsweb.cgi/src/sys/dev/msk/#dirlist 28. file://localhost/cgi/cvsweb.cgi/src/sys/dev/msk/if_msk.c 29. file://localhost/cgi/cvsweb.cgi/~checkout~/src/sys/dev/msk/if_msk.c?rev=1.34;content-type=text%2Fplain 30. file://localhost/tmp/if_msk.c?rev=1.34;content-type=text%2Fplain 31. file://localhost/tmp/if_msk.c?annotate=1.34 32. file://localhost/tmp/if_msk.c?r1=1.34#rev1.34 33. file://localhost/tmp/if_msk.c?only_with_tag=MAIN 34. file://localhost/tmp/if_msk.c?only_with_tag=HEAD 35. http://www.FreeBSD.org/cgi/man.cgi?apropos=0&sektion=9&query=m_pullup&manpath=FreeBSD+7.0-current&format=html 36. http://www.FreeBSD.org/copyright/ 37. http://www.FreeBSD.org/mailto.html --=-O2nhkhwd6nCYy5VILwTc--
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