4620 lines
137 KiB
C
4620 lines
137 KiB
C
/******************************************************************************
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*
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* Name : sky2.c
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* Project: Gigabit Ethernet Driver for FreeBSD 5.x/6.x
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* Version: $Revision: 1.23 $
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* Date : $Date: 2005/12/22 09:04:11 $
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* Purpose: Main driver source file
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* LICENSE:
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* Copyright (C) Marvell International Ltd. and/or its affiliates
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*
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* The computer program files contained in this folder ("Files")
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* are provided to you under the BSD-type license terms provided
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* below, and any use of such Files and any derivative works
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* thereof created by you shall be governed by the following terms
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* and conditions:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* - Neither the name of Marvell nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* /LICENSE
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*
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*****************************************************************************/
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/*-
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* Copyright (c) 1997, 1998, 1999, 2000
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Device driver for the Marvell Yukon II Ethernet controller.
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* Due to lack of documentation, this driver is based on the code from
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* sk(4) and Marvell's myk(4) driver for FreeBSD 5.x.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/queue.h>
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#include <sys/sysctl.h>
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#include <net/bpf.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_arp.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <net/if_vlan_var.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/tcp.h>
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#include <netinet/udp.h>
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#include <machine/bus.h>
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#include <machine/in_cksum.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/msk/if_mskreg.h>
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MODULE_DEPEND(msk, pci, 1, 1, 1);
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MODULE_DEPEND(msk, ether, 1, 1, 1);
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MODULE_DEPEND(msk, miibus, 1, 1, 1);
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/* "device miibus" required. See GENERIC if you get errors here. */
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#include "miibus_if.h"
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/* Tunables. */
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static int msi_disable = 0;
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TUNABLE_INT("hw.msk.msi_disable", &msi_disable);
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static int legacy_intr = 0;
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TUNABLE_INT("hw.msk.legacy_intr", &legacy_intr);
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static int jumbo_disable = 0;
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TUNABLE_INT("hw.msk.jumbo_disable", &jumbo_disable);
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#define MSK_CSUM_FEATURES (CSUM_TCP | CSUM_UDP)
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/*
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* Devices supported by this driver.
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*/
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static const struct msk_product {
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uint16_t msk_vendorid;
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uint16_t msk_deviceid;
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const char *msk_name;
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} msk_products[] = {
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{ VENDORID_SK, DEVICEID_SK_YUKON2,
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"SK-9Sxx Gigabit Ethernet" },
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{ VENDORID_SK, DEVICEID_SK_YUKON2_EXPR,
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"SK-9Exx Gigabit Ethernet"},
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{ VENDORID_MARVELL, DEVICEID_MRVL_8021CU,
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"Marvell Yukon 88E8021CU Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8021X,
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"Marvell Yukon 88E8021 SX/LX Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8022CU,
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"Marvell Yukon 88E8022CU Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8022X,
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"Marvell Yukon 88E8022 SX/LX Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8061CU,
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"Marvell Yukon 88E8061CU Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8061X,
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"Marvell Yukon 88E8061 SX/LX Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8062CU,
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"Marvell Yukon 88E8062CU Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8062X,
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"Marvell Yukon 88E8062 SX/LX Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8035,
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"Marvell Yukon 88E8035 Fast Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8036,
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"Marvell Yukon 88E8036 Fast Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8038,
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"Marvell Yukon 88E8038 Fast Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8039,
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"Marvell Yukon 88E8039 Fast Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8040,
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"Marvell Yukon 88E8040 Fast Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8040T,
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"Marvell Yukon 88E8040T Fast Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8042,
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"Marvell Yukon 88E8042 Fast Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_8048,
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"Marvell Yukon 88E8048 Fast Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4361,
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"Marvell Yukon 88E8050 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4360,
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"Marvell Yukon 88E8052 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4362,
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"Marvell Yukon 88E8053 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4363,
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"Marvell Yukon 88E8055 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4364,
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"Marvell Yukon 88E8056 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4365,
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"Marvell Yukon 88E8070 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_436A,
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"Marvell Yukon 88E8058 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_436B,
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"Marvell Yukon 88E8071 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_436C,
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"Marvell Yukon 88E8072 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_436D,
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"Marvell Yukon 88E8055 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4370,
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"Marvell Yukon 88E8075 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4380,
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"Marvell Yukon 88E8057 Gigabit Ethernet" },
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{ VENDORID_MARVELL, DEVICEID_MRVL_4381,
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"Marvell Yukon 88E8059 Gigabit Ethernet" },
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{ VENDORID_DLINK, DEVICEID_DLINK_DGE550SX,
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"D-Link 550SX Gigabit Ethernet" },
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{ VENDORID_DLINK, DEVICEID_DLINK_DGE560SX,
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"D-Link 560SX Gigabit Ethernet" },
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{ VENDORID_DLINK, DEVICEID_DLINK_DGE560T,
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"D-Link 560T Gigabit Ethernet" }
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};
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static const char *model_name[] = {
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"Yukon XL",
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"Yukon EC Ultra",
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"Yukon EX",
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"Yukon EC",
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"Yukon FE",
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"Yukon FE+",
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"Yukon Supreme",
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"Yukon Ultra 2",
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"Yukon Unknown",
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"Yukon Optima",
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};
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static int mskc_probe(device_t);
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static int mskc_attach(device_t);
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static int mskc_detach(device_t);
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static int mskc_shutdown(device_t);
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static int mskc_setup_rambuffer(struct msk_softc *);
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static int mskc_suspend(device_t);
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static int mskc_resume(device_t);
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static bus_dma_tag_t mskc_get_dma_tag(device_t, device_t);
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static void mskc_reset(struct msk_softc *);
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static int msk_probe(device_t);
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static int msk_attach(device_t);
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static int msk_detach(device_t);
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static void msk_tick(void *);
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static void msk_intr(void *);
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static void msk_intr_phy(struct msk_if_softc *);
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static void msk_intr_gmac(struct msk_if_softc *);
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static __inline void msk_rxput(struct msk_if_softc *);
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static int msk_handle_events(struct msk_softc *);
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static void msk_handle_hwerr(struct msk_if_softc *, uint32_t);
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static void msk_intr_hwerr(struct msk_softc *);
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#ifndef __NO_STRICT_ALIGNMENT
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static __inline void msk_fixup_rx(struct mbuf *);
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#endif
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static __inline void msk_rxcsum(struct msk_if_softc *, uint32_t, struct mbuf *);
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static void msk_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
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static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
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static void msk_txeof(struct msk_if_softc *, int);
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static int msk_encap(struct msk_if_softc *, struct mbuf **);
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static void msk_start(struct ifnet *);
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static void msk_start_locked(struct ifnet *);
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static int msk_ioctl(struct ifnet *, u_long, caddr_t);
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static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t);
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static void msk_set_rambuffer(struct msk_if_softc *);
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static void msk_set_tx_stfwd(struct msk_if_softc *);
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static void msk_init(void *);
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static void msk_init_locked(struct msk_if_softc *);
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static void msk_stop(struct msk_if_softc *);
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static void msk_watchdog(struct msk_if_softc *);
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static int msk_mediachange(struct ifnet *);
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static void msk_mediastatus(struct ifnet *, struct ifmediareq *);
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static void msk_phy_power(struct msk_softc *, int);
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static void msk_dmamap_cb(void *, bus_dma_segment_t *, int, int);
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static int msk_status_dma_alloc(struct msk_softc *);
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static void msk_status_dma_free(struct msk_softc *);
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static int msk_txrx_dma_alloc(struct msk_if_softc *);
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static int msk_rx_dma_jalloc(struct msk_if_softc *);
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static void msk_txrx_dma_free(struct msk_if_softc *);
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static void msk_rx_dma_jfree(struct msk_if_softc *);
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static int msk_rx_fill(struct msk_if_softc *, int);
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static int msk_init_rx_ring(struct msk_if_softc *);
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static int msk_init_jumbo_rx_ring(struct msk_if_softc *);
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static void msk_init_tx_ring(struct msk_if_softc *);
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static __inline void msk_discard_rxbuf(struct msk_if_softc *, int);
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static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int);
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static int msk_newbuf(struct msk_if_softc *, int);
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static int msk_jumbo_newbuf(struct msk_if_softc *, int);
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static int msk_phy_readreg(struct msk_if_softc *, int, int);
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static int msk_phy_writereg(struct msk_if_softc *, int, int, int);
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static int msk_miibus_readreg(device_t, int, int);
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static int msk_miibus_writereg(device_t, int, int, int);
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static void msk_miibus_statchg(device_t);
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static void msk_rxfilter(struct msk_if_softc *);
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static void msk_setvlan(struct msk_if_softc *, struct ifnet *);
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static void msk_stats_clear(struct msk_if_softc *);
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static void msk_stats_update(struct msk_if_softc *);
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static int msk_sysctl_stat32(SYSCTL_HANDLER_ARGS);
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static int msk_sysctl_stat64(SYSCTL_HANDLER_ARGS);
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static void msk_sysctl_node(struct msk_if_softc *);
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static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int);
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static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS);
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static device_method_t mskc_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, mskc_probe),
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DEVMETHOD(device_attach, mskc_attach),
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DEVMETHOD(device_detach, mskc_detach),
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DEVMETHOD(device_suspend, mskc_suspend),
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DEVMETHOD(device_resume, mskc_resume),
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DEVMETHOD(device_shutdown, mskc_shutdown),
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DEVMETHOD(bus_get_dma_tag, mskc_get_dma_tag),
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DEVMETHOD_END
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};
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static driver_t mskc_driver = {
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"mskc",
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mskc_methods,
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sizeof(struct msk_softc)
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};
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static devclass_t mskc_devclass;
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static device_method_t msk_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, msk_probe),
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DEVMETHOD(device_attach, msk_attach),
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DEVMETHOD(device_detach, msk_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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/* MII interface */
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DEVMETHOD(miibus_readreg, msk_miibus_readreg),
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DEVMETHOD(miibus_writereg, msk_miibus_writereg),
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DEVMETHOD(miibus_statchg, msk_miibus_statchg),
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DEVMETHOD_END
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};
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static driver_t msk_driver = {
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"msk",
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msk_methods,
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sizeof(struct msk_if_softc)
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};
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static devclass_t msk_devclass;
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DRIVER_MODULE(mskc, pci, mskc_driver, mskc_devclass, NULL, NULL);
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DRIVER_MODULE(msk, mskc, msk_driver, msk_devclass, NULL, NULL);
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DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, NULL, NULL);
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static struct resource_spec msk_res_spec_io[] = {
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{ SYS_RES_IOPORT, PCIR_BAR(1), RF_ACTIVE },
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{ -1, 0, 0 }
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};
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static struct resource_spec msk_res_spec_mem[] = {
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{ SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE },
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{ -1, 0, 0 }
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};
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static struct resource_spec msk_irq_spec_legacy[] = {
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{ SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE },
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{ -1, 0, 0 }
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};
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static struct resource_spec msk_irq_spec_msi[] = {
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{ SYS_RES_IRQ, 1, RF_ACTIVE },
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{ -1, 0, 0 }
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};
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static int
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msk_miibus_readreg(device_t dev, int phy, int reg)
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{
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struct msk_if_softc *sc_if;
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sc_if = device_get_softc(dev);
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return (msk_phy_readreg(sc_if, phy, reg));
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}
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static int
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msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg)
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{
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struct msk_softc *sc;
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int i, val;
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|
|
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;
|
|
|
|
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_softc *sc;
|
|
struct msk_if_softc *sc_if;
|
|
struct mii_data *mii;
|
|
struct ifnet *ifp;
|
|
uint32_t gmac;
|
|
|
|
sc_if = device_get_softc(dev);
|
|
sc = sc_if->msk_softc;
|
|
|
|
MSK_IF_LOCK_ASSERT(sc_if);
|
|
|
|
mii = device_get_softc(sc_if->msk_miibus);
|
|
ifp = sc_if->msk_ifp;
|
|
if (mii == NULL || ifp == NULL ||
|
|
(ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
|
|
return;
|
|
|
|
sc_if->msk_flags &= ~MSK_FLAG_LINK;
|
|
if ((mii->mii_media_status & (IFM_AVALID | IFM_ACTIVE)) ==
|
|
(IFM_AVALID | IFM_ACTIVE)) {
|
|
switch (IFM_SUBTYPE(mii->mii_media_active)) {
|
|
case IFM_10_T:
|
|
case IFM_100_TX:
|
|
sc_if->msk_flags |= MSK_FLAG_LINK;
|
|
break;
|
|
case IFM_1000_T:
|
|
case IFM_1000_SX:
|
|
case IFM_1000_LX:
|
|
case IFM_1000_CX:
|
|
if ((sc_if->msk_flags & MSK_FLAG_FASTETHER) == 0)
|
|
sc_if->msk_flags |= MSK_FLAG_LINK;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((sc_if->msk_flags & MSK_FLAG_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 ((IFM_OPTIONS(mii->mii_media_active) &
|
|
IFM_ETH_RXPAUSE) == 0)
|
|
gmac |= GM_GPCR_FC_RX_DIS;
|
|
if ((IFM_OPTIONS(mii->mii_media_active) &
|
|
IFM_ETH_TXPAUSE) == 0)
|
|
gmac |= GM_GPCR_FC_TX_DIS;
|
|
if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0)
|
|
gmac |= GM_GPCR_DUP_FULL;
|
|
else
|
|
gmac |= GM_GPCR_FC_RX_DIS | 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_OFF;
|
|
if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) {
|
|
if ((IFM_OPTIONS(mii->mii_media_active) &
|
|
IFM_ETH_RXPAUSE) != 0)
|
|
gmac = GMC_PAUSE_ON;
|
|
}
|
|
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);
|
|
if ((gmac & (GM_GPCR_RX_ENA | GM_GPCR_TX_ENA)) != 0) {
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
msk_rxfilter(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);
|
|
if ((ifp->if_flags & IFF_PROMISC) != 0)
|
|
mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
|
|
else if ((ifp->if_flags & IFF_ALLMULTI) != 0) {
|
|
mode |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA;
|
|
mchash[0] = 0xffff;
|
|
mchash[1] = 0xffff;
|
|
} else {
|
|
mode |= GM_RXCR_UCF_ENA;
|
|
if_maddr_rlock(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_maddr_runlock(ifp);
|
|
if (mchash[0] != 0 || mchash[1] != 0)
|
|
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 int
|
|
msk_rx_fill(struct msk_if_softc *sc_if, int jumbo)
|
|
{
|
|
uint16_t idx;
|
|
int i;
|
|
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
|
|
(sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
|
|
/* Wait until controller executes OP_TCPSTART command. */
|
|
for (i = 100; i > 0; i--) {
|
|
DELAY(100);
|
|
idx = CSR_READ_2(sc_if->msk_softc,
|
|
Y2_PREF_Q_ADDR(sc_if->msk_rxq,
|
|
PREF_UNIT_GET_IDX_REG));
|
|
if (idx != 0)
|
|
break;
|
|
}
|
|
if (i == 0) {
|
|
device_printf(sc_if->msk_if_dev,
|
|
"prefetch unit stuck?\n");
|
|
return (ETIMEDOUT);
|
|
}
|
|
/*
|
|
* Fill consumed LE with free buffer. This can be done
|
|
* in Rx handler but we don't want to add special code
|
|
* in fast handler.
|
|
*/
|
|
if (jumbo > 0) {
|
|
if (msk_jumbo_newbuf(sc_if, 0) != 0)
|
|
return (ENOBUFS);
|
|
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 {
|
|
if (msk_newbuf(sc_if, 0) != 0)
|
|
return (ENOBUFS);
|
|
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);
|
|
}
|
|
sc_if->msk_cdata.msk_rx_prod = 0;
|
|
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_rx_ring(struct msk_if_softc *sc_if)
|
|
{
|
|
struct msk_ring_data *rd;
|
|
struct msk_rxdesc *rxd;
|
|
int i, nbuf, 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);
|
|
for (i = prod = 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];
|
|
MSK_INC(prod, MSK_RX_RING_CNT);
|
|
}
|
|
nbuf = MSK_RX_BUF_CNT;
|
|
prod = 0;
|
|
/* Have controller know how to compute Rx checksum. */
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
|
|
(sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
|
|
#ifdef MSK_64BIT_DMA
|
|
rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
|
|
rxd->rx_m = NULL;
|
|
rxd->rx_le = &rd->msk_rx_ring[prod];
|
|
rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
|
|
ETHER_HDR_LEN);
|
|
rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
|
|
MSK_INC(prod, MSK_RX_RING_CNT);
|
|
MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
|
|
#endif
|
|
rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
|
|
rxd->rx_m = NULL;
|
|
rxd->rx_le = &rd->msk_rx_ring[prod];
|
|
rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
|
|
ETHER_HDR_LEN);
|
|
rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
|
|
MSK_INC(prod, MSK_RX_RING_CNT);
|
|
MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
|
|
nbuf--;
|
|
}
|
|
for (i = 0; i < nbuf; i++) {
|
|
if (msk_newbuf(sc_if, prod) != 0)
|
|
return (ENOBUFS);
|
|
MSK_RX_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 = prod;
|
|
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 + MSK_RX_RING_CNT - 1) %
|
|
MSK_RX_RING_CNT);
|
|
if (msk_rx_fill(sc_if, 0) != 0)
|
|
return (ENOBUFS);
|
|
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, nbuf, 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);
|
|
for (i = prod = 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];
|
|
MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
|
|
}
|
|
nbuf = MSK_RX_BUF_CNT;
|
|
prod = 0;
|
|
/* Have controller know how to compute Rx checksum. */
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
|
|
(sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
|
|
#ifdef MSK_64BIT_DMA
|
|
rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
|
|
rxd->rx_m = NULL;
|
|
rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
|
|
rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
|
|
ETHER_HDR_LEN);
|
|
rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
|
|
MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
|
|
MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
|
|
#endif
|
|
rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
|
|
rxd->rx_m = NULL;
|
|
rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
|
|
rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
|
|
ETHER_HDR_LEN);
|
|
rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
|
|
MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
|
|
MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
|
|
nbuf--;
|
|
}
|
|
for (i = 0; i < nbuf; i++) {
|
|
if (msk_jumbo_newbuf(sc_if, prod) != 0)
|
|
return (ENOBUFS);
|
|
MSK_RX_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);
|
|
|
|
/* Update prefetch unit. */
|
|
sc_if->msk_cdata.msk_rx_prod = prod;
|
|
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 + MSK_JUMBO_RX_RING_CNT - 1) %
|
|
MSK_JUMBO_RX_RING_CNT);
|
|
if (msk_rx_fill(sc_if, 1) != 0)
|
|
return (ENOBUFS);
|
|
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_last_csum = 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;
|
|
sc_if->msk_cdata.msk_tx_high_addr = 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;
|
|
|
|
#ifdef MSK_64BIT_DMA
|
|
rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
|
|
rx_le = rxd->rx_le;
|
|
rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
|
|
MSK_INC(idx, MSK_RX_RING_CNT);
|
|
#endif
|
|
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;
|
|
|
|
#ifdef MSK_64BIT_DMA
|
|
rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
|
|
rx_le = rxd->rx_le;
|
|
rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
|
|
MSK_INC(idx, MSK_JUMBO_RX_RING_CNT);
|
|
#endif
|
|
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_NOWAIT, 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];
|
|
#ifdef MSK_64BIT_DMA
|
|
rx_le = rxd->rx_le;
|
|
rx_le->msk_addr = htole32(MSK_ADDR_HI(segs[0].ds_addr));
|
|
rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
|
|
MSK_INC(idx, MSK_RX_RING_CNT);
|
|
rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
|
|
#endif
|
|
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);
|
|
rxd->rx_m = NULL;
|
|
}
|
|
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;
|
|
|
|
m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES);
|
|
if (m == NULL)
|
|
return (ENOBUFS);
|
|
if ((m->m_flags & M_EXT) == 0) {
|
|
m_freem(m);
|
|
return (ENOBUFS);
|
|
}
|
|
m->m_len = m->m_pkthdr.len = MJUM9BYTES;
|
|
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];
|
|
#ifdef MSK_64BIT_DMA
|
|
rx_le = rxd->rx_le;
|
|
rx_le->msk_addr = htole32(MSK_ADDR_HI(segs[0].ds_addr));
|
|
rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
|
|
MSK_INC(idx, MSK_JUMBO_RX_RING_CNT);
|
|
rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
|
|
#endif
|
|
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);
|
|
rxd->rx_m = NULL;
|
|
}
|
|
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;
|
|
int error;
|
|
|
|
sc_if = ifp->if_softc;
|
|
|
|
MSK_IF_LOCK(sc_if);
|
|
mii = device_get_softc(sc_if->msk_miibus);
|
|
error = mii_mediachg(mii);
|
|
MSK_IF_UNLOCK(sc_if);
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
if ((ifp->if_flags & IFF_UP) == 0) {
|
|
MSK_IF_UNLOCK(sc_if);
|
|
return;
|
|
}
|
|
mii = device_get_softc(sc_if->msk_miibus);
|
|
|
|
mii_pollstat(mii);
|
|
ifmr->ifm_active = mii->mii_media_active;
|
|
ifmr->ifm_status = mii->mii_media_status;
|
|
MSK_IF_UNLOCK(sc_if);
|
|
}
|
|
|
|
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, reinit;
|
|
|
|
sc_if = ifp->if_softc;
|
|
ifr = (struct ifreq *)data;
|
|
error = 0;
|
|
|
|
switch(command) {
|
|
case SIOCSIFMTU:
|
|
MSK_IF_LOCK(sc_if);
|
|
if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN)
|
|
error = EINVAL;
|
|
else if (ifp->if_mtu != ifr->ifr_mtu) {
|
|
if (ifr->ifr_mtu > ETHERMTU) {
|
|
if ((sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
|
|
error = EINVAL;
|
|
MSK_IF_UNLOCK(sc_if);
|
|
break;
|
|
}
|
|
if ((sc_if->msk_flags &
|
|
MSK_FLAG_JUMBO_NOCSUM) != 0) {
|
|
ifp->if_hwassist &=
|
|
~(MSK_CSUM_FEATURES | CSUM_TSO);
|
|
ifp->if_capenable &=
|
|
~(IFCAP_TSO4 | IFCAP_TXCSUM);
|
|
VLAN_CAPABILITIES(ifp);
|
|
}
|
|
}
|
|
ifp->if_mtu = ifr->ifr_mtu;
|
|
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
|
|
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
|
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 &&
|
|
((ifp->if_flags ^ sc_if->msk_if_flags) &
|
|
(IFF_PROMISC | IFF_ALLMULTI)) != 0)
|
|
msk_rxfilter(sc_if);
|
|
else if ((sc_if->msk_flags & MSK_FLAG_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_rxfilter(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:
|
|
reinit = 0;
|
|
MSK_IF_LOCK(sc_if);
|
|
mask = ifr->ifr_reqcap ^ ifp->if_capenable;
|
|
if ((mask & IFCAP_TXCSUM) != 0 &&
|
|
(IFCAP_TXCSUM & ifp->if_capabilities) != 0) {
|
|
ifp->if_capenable ^= IFCAP_TXCSUM;
|
|
if ((IFCAP_TXCSUM & ifp->if_capenable) != 0)
|
|
ifp->if_hwassist |= MSK_CSUM_FEATURES;
|
|
else
|
|
ifp->if_hwassist &= ~MSK_CSUM_FEATURES;
|
|
}
|
|
if ((mask & IFCAP_RXCSUM) != 0 &&
|
|
(IFCAP_RXCSUM & ifp->if_capabilities) != 0) {
|
|
ifp->if_capenable ^= IFCAP_RXCSUM;
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0)
|
|
reinit = 1;
|
|
}
|
|
if ((mask & IFCAP_VLAN_HWCSUM) != 0 &&
|
|
(IFCAP_VLAN_HWCSUM & ifp->if_capabilities) != 0)
|
|
ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
|
|
if ((mask & IFCAP_TSO4) != 0 &&
|
|
(IFCAP_TSO4 & ifp->if_capabilities) != 0) {
|
|
ifp->if_capenable ^= IFCAP_TSO4;
|
|
if ((IFCAP_TSO4 & ifp->if_capenable) != 0)
|
|
ifp->if_hwassist |= CSUM_TSO;
|
|
else
|
|
ifp->if_hwassist &= ~CSUM_TSO;
|
|
}
|
|
if ((mask & IFCAP_VLAN_HWTSO) != 0 &&
|
|
(IFCAP_VLAN_HWTSO & ifp->if_capabilities) != 0)
|
|
ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
|
|
if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
|
|
(IFCAP_VLAN_HWTAGGING & ifp->if_capabilities) != 0) {
|
|
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
|
|
if ((IFCAP_VLAN_HWTAGGING & ifp->if_capenable) == 0)
|
|
ifp->if_capenable &=
|
|
~(IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM);
|
|
msk_setvlan(sc_if, ifp);
|
|
}
|
|
if (ifp->if_mtu > ETHERMTU &&
|
|
(sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
|
|
ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
|
|
ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
|
|
}
|
|
VLAN_CAPABILITIES(ifp);
|
|
if (reinit > 0 && (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
|
|
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
|
msk_init_locked(sc_if);
|
|
}
|
|
MSK_IF_UNLOCK(sc_if);
|
|
break;
|
|
default:
|
|
error = ether_ioctl(ifp, command, data);
|
|
break;
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
mskc_probe(device_t dev)
|
|
{
|
|
const 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 < nitems(msk_products); 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 should 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 our, 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);
|
|
|
|
our = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
|
|
our &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD);
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
|
|
if (sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
|
|
/* Deassert Low Power for 1st PHY. */
|
|
our |= PCI_Y2_PHY1_COMA;
|
|
if (sc->msk_num_port > 1)
|
|
our |= PCI_Y2_PHY2_COMA;
|
|
}
|
|
}
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_EX ||
|
|
sc->msk_hw_id >= CHIP_ID_YUKON_FE_P) {
|
|
val = CSR_PCI_READ_4(sc, PCI_OUR_REG_4);
|
|
val &= (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. */
|
|
CSR_PCI_WRITE_4(sc, PCI_OUR_REG_4, val);
|
|
val = CSR_PCI_READ_4(sc, PCI_OUR_REG_5);
|
|
val &= PCI_CTL_TIM_VMAIN_AV_MSK;
|
|
CSR_PCI_WRITE_4(sc, PCI_OUR_REG_5, val);
|
|
CSR_PCI_WRITE_4(sc, PCI_CFG_REG_1, 0);
|
|
CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_ON);
|
|
/*
|
|
* Disable status race, workaround for
|
|
* Yukon EC Ultra & Yukon EX.
|
|
*/
|
|
val = CSR_READ_4(sc, B2_GP_IO);
|
|
val |= GLB_GPIO_STAT_RACE_DIS;
|
|
CSR_WRITE_4(sc, B2_GP_IO, val);
|
|
CSR_READ_4(sc, B2_GP_IO);
|
|
}
|
|
/* Release PHY from PowerDown/COMA mode. */
|
|
CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, our);
|
|
|
|
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 = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
|
|
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;
|
|
}
|
|
CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, val);
|
|
|
|
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, initram;
|
|
|
|
/* Disable ASF. */
|
|
if (sc->msk_hw_id >= CHIP_ID_YUKON_XL &&
|
|
sc->msk_hw_id <= CHIP_ID_YUKON_SUPR) {
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
|
|
CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
|
|
status = CSR_READ_2(sc, B28_Y2_ASF_HCU_CCSR);
|
|
/* Clear AHB bridge & microcontroller reset. */
|
|
status &= ~(Y2_ASF_HCU_CCSR_AHB_RST |
|
|
Y2_ASF_HCU_CCSR_CPU_RST_MODE);
|
|
/* Clear ASF microcontroller state. */
|
|
status &= ~Y2_ASF_HCU_CCSR_UC_STATE_MSK;
|
|
status &= ~Y2_ASF_HCU_CCSR_CPU_CLK_DIVIDE_MSK;
|
|
CSR_WRITE_2(sc, B28_Y2_ASF_HCU_CCSR, status);
|
|
CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
|
|
} else
|
|
CSR_WRITE_1(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_MDPERR, 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_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET);
|
|
CSR_WRITE_1(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);
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_SUPR)
|
|
CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL),
|
|
GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
|
|
GMC_BYP_RETR_ON);
|
|
}
|
|
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_SUPR &&
|
|
sc->msk_hw_rev > CHIP_REV_YU_SU_B0)
|
|
CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, PCI_CLK_MACSEC_DIS);
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_OPT && sc->msk_hw_rev == 0) {
|
|
/* Disable PCIe PHY powerdown(reg 0x80, bit7). */
|
|
CSR_WRITE_4(sc, Y2_PEX_PHY_DATA, (0x0080 << 16) | 0x0080);
|
|
}
|
|
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);
|
|
|
|
initram = 0;
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_XL ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_EC ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_FE)
|
|
initram++;
|
|
|
|
/* Configure timeout values. */
|
|
for (i = 0; initram > 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_pcixcap != 0 && sc->msk_num_port > 1) {
|
|
uint16_t pcix_cmd;
|
|
|
|
pcix_cmd = pci_read_config(sc->msk_dev,
|
|
sc->msk_pcixcap + PCIXR_COMMAND, 2);
|
|
/* Clear Max Outstanding Split Transactions. */
|
|
pcix_cmd &= ~PCIXM_COMMAND_MAX_SPLITS;
|
|
CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
|
|
pci_write_config(sc->msk_dev,
|
|
sc->msk_pcixcap + PCIXR_COMMAND, pcix_cmd, 2);
|
|
CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
|
|
}
|
|
if (sc->msk_expcap != 0) {
|
|
/* Change Max. Read Request Size to 2048 bytes. */
|
|
if (pci_get_max_read_req(sc->msk_dev) == 512)
|
|
pci_set_max_read_req(sc->msk_dev, 2048);
|
|
}
|
|
|
|
/* Clear status list. */
|
|
bzero(sc->msk_stat_ring,
|
|
sizeof(struct msk_stat_desc) * sc->msk_stat_count);
|
|
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, sc->msk_stat_count - 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;
|
|
struct msk_mii_data *mmd;
|
|
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));
|
|
mmd = device_get_ivars(dev);
|
|
port = mmd->port;
|
|
|
|
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);
|
|
msk_sysctl_node(sc_if);
|
|
|
|
if ((error = msk_txrx_dma_alloc(sc_if) != 0))
|
|
goto fail;
|
|
msk_rx_dma_jalloc(sc_if);
|
|
|
|
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_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
|
|
ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_TSO4;
|
|
/*
|
|
* Enable Rx checksum offloading if controller supports
|
|
* new descriptor formant and controller is not Yukon XL.
|
|
*/
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
|
|
sc->msk_hw_id != CHIP_ID_YUKON_XL)
|
|
ifp->if_capabilities |= IFCAP_RXCSUM;
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
|
|
(sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
|
|
ifp->if_capabilities |= IFCAP_RXCSUM;
|
|
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_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);
|
|
/*
|
|
* 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 */
|
|
ifp->if_capabilities |= IFCAP_VLAN_MTU;
|
|
if ((sc_if->msk_flags & MSK_FLAG_NOHWVLAN) == 0) {
|
|
/*
|
|
* 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_HWTAGGING | IFCAP_VLAN_HWTSO;
|
|
/*
|
|
* Enable Rx checksum offloading for VLAN tagged frames
|
|
* if controller support new descriptor format.
|
|
*/
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
|
|
(sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
|
|
ifp->if_capabilities |= IFCAP_VLAN_HWCSUM;
|
|
}
|
|
ifp->if_capenable = ifp->if_capabilities;
|
|
/*
|
|
* Disable RX checksum offloading on controllers that don't use
|
|
* new descriptor format but give chance to enable it.
|
|
*/
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0)
|
|
ifp->if_capenable &= ~IFCAP_RXCSUM;
|
|
|
|
/*
|
|
* 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_hdrlen = sizeof(struct ether_vlan_header);
|
|
|
|
/*
|
|
* Do miibus setup.
|
|
*/
|
|
MSK_IF_UNLOCK(sc_if);
|
|
error = mii_attach(dev, &sc_if->msk_miibus, ifp, msk_mediachange,
|
|
msk_mediastatus, BMSR_DEFCAPMASK, PHY_ADDR_MARV, MII_OFFSET_ANY,
|
|
mmd->mii_flags);
|
|
if (error != 0) {
|
|
device_printf(sc_if->msk_if_dev, "attaching PHYs failed\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;
|
|
struct msk_mii_data *mmd;
|
|
int error, msic, msir, 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);
|
|
}
|
|
}
|
|
|
|
/* Enable all clocks before accessing any registers. */
|
|
CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
|
|
|
|
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_OPT ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_UNKNOWN) {
|
|
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;
|
|
}
|
|
}
|
|
|
|
sc->msk_int_holdoff = MSK_INT_HOLDOFF_DEFAULT;
|
|
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
|
|
"int_holdoff", CTLFLAG_RW, &sc->msk_int_holdoff, 0,
|
|
"Maximum number of time to delay interrupts");
|
|
resource_int_value(device_get_name(dev), device_get_unit(dev),
|
|
"int_holdoff", &sc->msk_int_holdoff);
|
|
|
|
sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP);
|
|
/* 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_cap(sc->msk_dev, PCIY_EXPRESS, ®) == 0) {
|
|
sc->msk_bustype = MSK_PEX_BUS;
|
|
sc->msk_expcap = reg;
|
|
} else if (pci_find_cap(sc->msk_dev, PCIY_PCIX, ®) == 0) {
|
|
sc->msk_bustype = MSK_PCIX_BUS;
|
|
sc->msk_pcixcap = reg;
|
|
} else
|
|
sc->msk_bustype = MSK_PCI_BUS;
|
|
|
|
switch (sc->msk_hw_id) {
|
|
case CHIP_ID_YUKON_EC:
|
|
sc->msk_clock = 125; /* 125 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_JUMBO;
|
|
break;
|
|
case CHIP_ID_YUKON_EC_U:
|
|
sc->msk_clock = 125; /* 125 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_JUMBO_NOCSUM;
|
|
break;
|
|
case CHIP_ID_YUKON_EX:
|
|
sc->msk_clock = 125; /* 125 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
|
|
MSK_FLAG_AUTOTX_CSUM;
|
|
/*
|
|
* Yukon Extreme seems to have silicon bug for
|
|
* automatic Tx checksum calculation capability.
|
|
*/
|
|
if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
|
|
sc->msk_pflags &= ~MSK_FLAG_AUTOTX_CSUM;
|
|
/*
|
|
* Yukon Extreme A0 could not use store-and-forward
|
|
* for jumbo frames, so disable Tx checksum
|
|
* offloading for jumbo frames.
|
|
*/
|
|
if (sc->msk_hw_rev == CHIP_REV_YU_EX_A0)
|
|
sc->msk_pflags |= MSK_FLAG_JUMBO_NOCSUM;
|
|
break;
|
|
case CHIP_ID_YUKON_FE:
|
|
sc->msk_clock = 100; /* 100 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_FASTETHER;
|
|
break;
|
|
case CHIP_ID_YUKON_FE_P:
|
|
sc->msk_clock = 50; /* 50 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_FASTETHER | MSK_FLAG_DESCV2 |
|
|
MSK_FLAG_AUTOTX_CSUM;
|
|
if (sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
|
|
/*
|
|
* XXX
|
|
* FE+ A0 has status LE writeback bug so msk(4)
|
|
* does not rely on status word of received frame
|
|
* in msk_rxeof() which in turn disables all
|
|
* hardware assistance bits reported by the status
|
|
* word as well as validity of the received frame.
|
|
* Just pass received frames to upper stack with
|
|
* minimal test and let upper stack handle them.
|
|
*/
|
|
sc->msk_pflags |= MSK_FLAG_NOHWVLAN |
|
|
MSK_FLAG_NORXCHK | MSK_FLAG_NORX_CSUM;
|
|
}
|
|
break;
|
|
case CHIP_ID_YUKON_XL:
|
|
sc->msk_clock = 156; /* 156 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_JUMBO;
|
|
break;
|
|
case CHIP_ID_YUKON_SUPR:
|
|
sc->msk_clock = 125; /* 125 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
|
|
MSK_FLAG_AUTOTX_CSUM;
|
|
break;
|
|
case CHIP_ID_YUKON_UL_2:
|
|
sc->msk_clock = 125; /* 125 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_JUMBO;
|
|
break;
|
|
case CHIP_ID_YUKON_OPT:
|
|
sc->msk_clock = 125; /* 125 MHz */
|
|
sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2;
|
|
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);
|
|
if (legacy_intr != 0)
|
|
msi_disable = 1;
|
|
if (msi_disable == 0 && msic > 0) {
|
|
msir = 1;
|
|
if (pci_alloc_msi(dev, &msir) == 0) {
|
|
if (msir == 1) {
|
|
sc->msk_pflags |= MSK_FLAG_MSI;
|
|
sc->msk_irq_spec = msk_irq_spec_msi;
|
|
} else
|
|
pci_release_msi(dev);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK | M_ZERO);
|
|
if (mmd == NULL) {
|
|
device_printf(dev, "failed to allocate memory for "
|
|
"ivars of PORT_A\n");
|
|
error = ENXIO;
|
|
goto fail;
|
|
}
|
|
mmd->port = MSK_PORT_A;
|
|
mmd->pmd = sc->msk_pmd;
|
|
mmd->mii_flags |= MIIF_DOPAUSE;
|
|
if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
|
|
mmd->mii_flags |= MIIF_HAVEFIBER;
|
|
if (sc->msk_pmd == 'P')
|
|
mmd->mii_flags |= MIIF_HAVEFIBER | MIIF_MACPRIV0;
|
|
device_set_ivars(sc->msk_devs[MSK_PORT_A], mmd);
|
|
|
|
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;
|
|
}
|
|
mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK |
|
|
M_ZERO);
|
|
if (mmd == NULL) {
|
|
device_printf(dev, "failed to allocate memory for "
|
|
"ivars of PORT_B\n");
|
|
error = ENXIO;
|
|
goto fail;
|
|
}
|
|
mmd->port = MSK_PORT_B;
|
|
mmd->pmd = sc->msk_pmd;
|
|
if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
|
|
mmd->mii_flags |= MIIF_HAVEFIBER;
|
|
if (sc->msk_pmd == 'P')
|
|
mmd->mii_flags |= MIIF_HAVEFIBER | MIIF_MACPRIV0;
|
|
device_set_ivars(sc->msk_devs[MSK_PORT_B], mmd);
|
|
}
|
|
|
|
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. */
|
|
error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET |
|
|
INTR_MPSAFE, NULL, msk_intr, sc, &sc->msk_intrhand);
|
|
if (error != 0) {
|
|
device_printf(dev, "couldn't set up interrupt handler\n");
|
|
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_flags |= MSK_FLAG_DETACH;
|
|
msk_stop(sc_if);
|
|
/* Can't hold locks while calling detach. */
|
|
MSK_IF_UNLOCK(sc_if);
|
|
callout_drain(&sc_if->msk_tick_ch);
|
|
if (ifp)
|
|
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_rx_dma_jfree(sc_if);
|
|
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 (sc->msk_intrhand) {
|
|
bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand);
|
|
sc->msk_intrhand = NULL;
|
|
}
|
|
bus_release_resources(dev, sc->msk_irq_spec, sc->msk_irq);
|
|
if ((sc->msk_pflags & MSK_FLAG_MSI) != 0)
|
|
pci_release_msi(dev);
|
|
bus_release_resources(dev, sc->msk_res_spec, sc->msk_res);
|
|
mtx_destroy(&sc->msk_mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static bus_dma_tag_t
|
|
mskc_get_dma_tag(device_t bus, device_t child __unused)
|
|
{
|
|
|
|
return (bus_get_dma_tag(bus));
|
|
}
|
|
|
|
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;
|
|
bus_size_t stat_sz;
|
|
int count, error;
|
|
|
|
/*
|
|
* It seems controller requires number of status LE entries
|
|
* is power of 2 and the maximum number of status LE entries
|
|
* is 4096. For dual-port controllers, the number of status
|
|
* LE entries should be large enough to hold both port's
|
|
* status updates.
|
|
*/
|
|
count = 3 * MSK_RX_RING_CNT + MSK_TX_RING_CNT;
|
|
count = imin(4096, roundup2(count, 1024));
|
|
sc->msk_stat_count = count;
|
|
stat_sz = count * sizeof(struct msk_stat_desc);
|
|
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 */
|
|
stat_sz, /* maxsize */
|
|
1, /* nsegments */
|
|
stat_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, stat_sz, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
|
|
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_ring_paddr) {
|
|
bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map);
|
|
sc->msk_stat_ring_paddr = 0;
|
|
}
|
|
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;
|
|
}
|
|
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;
|
|
bus_size_t rxalign;
|
|
int error, i;
|
|
|
|
/* Create parent DMA tag. */
|
|
error = bus_dma_tag_create(
|
|
bus_get_dma_tag(sc_if->msk_if_dev), /* parent */
|
|
1, 0, /* alignment, boundary */
|
|
BUS_SPACE_MAXADDR, /* 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 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;
|
|
}
|
|
|
|
/* 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, BUS_DMA_NOWAIT);
|
|
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, BUS_DMA_NOWAIT);
|
|
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;
|
|
|
|
/* 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;
|
|
}
|
|
}
|
|
|
|
fail:
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
msk_rx_dma_jalloc(struct msk_if_softc *sc_if)
|
|
{
|
|
struct msk_dmamap_arg ctx;
|
|
struct msk_rxdesc *jrxd;
|
|
bus_size_t rxalign;
|
|
int error, i;
|
|
|
|
if (jumbo_disable != 0 || (sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
|
|
sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
|
|
device_printf(sc_if->msk_if_dev,
|
|
"disabling jumbo frame support\n");
|
|
return (0);
|
|
}
|
|
/* 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 jumbo_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 jumbo 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 */
|
|
MJUM9BYTES, /* maxsize */
|
|
1, /* nsegments */
|
|
MJUM9BYTES, /* 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 jumbo_fail;
|
|
}
|
|
|
|
/* 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 jumbo_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, BUS_DMA_NOWAIT);
|
|
if (error != 0) {
|
|
device_printf(sc_if->msk_if_dev,
|
|
"failed to load DMA'able memory for jumbo Rx ring\n");
|
|
goto jumbo_fail;
|
|
}
|
|
sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr;
|
|
|
|
/* 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 jumbo_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 jumbo_fail;
|
|
}
|
|
}
|
|
|
|
return (0);
|
|
|
|
jumbo_fail:
|
|
msk_rx_dma_jfree(sc_if);
|
|
device_printf(sc_if->msk_if_dev, "disabling jumbo frame support "
|
|
"due to resource shortage\n");
|
|
sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
msk_txrx_dma_free(struct msk_if_softc *sc_if)
|
|
{
|
|
struct msk_txdesc *txd;
|
|
struct msk_rxdesc *rxd;
|
|
int i;
|
|
|
|
/* Tx ring. */
|
|
if (sc_if->msk_cdata.msk_tx_ring_tag) {
|
|
if (sc_if->msk_rdata.msk_tx_ring_paddr)
|
|
bus_dmamap_unload(sc_if->msk_cdata.msk_tx_ring_tag,
|
|
sc_if->msk_cdata.msk_tx_ring_map);
|
|
if (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_rdata.msk_tx_ring_paddr = 0;
|
|
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_rdata.msk_rx_ring_paddr)
|
|
bus_dmamap_unload(sc_if->msk_cdata.msk_rx_ring_tag,
|
|
sc_if->msk_cdata.msk_rx_ring_map);
|
|
if (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_rdata.msk_rx_ring_paddr = 0;
|
|
bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_ring_tag);
|
|
sc_if->msk_cdata.msk_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;
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
|
|
static void
|
|
msk_rx_dma_jfree(struct msk_if_softc *sc_if)
|
|
{
|
|
struct msk_rxdesc *jrxd;
|
|
int i;
|
|
|
|
/* Jumbo Rx ring. */
|
|
if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) {
|
|
if (sc_if->msk_rdata.msk_jumbo_rx_ring_paddr)
|
|
bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
|
|
sc_if->msk_cdata.msk_jumbo_rx_ring_map);
|
|
if (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_rdata.msk_jumbo_rx_ring_paddr = 0;
|
|
bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
|
|
sc_if->msk_cdata.msk_jumbo_rx_ring_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;
|
|
}
|
|
}
|
|
|
|
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, csum, 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 (((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
|
|
(m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) ||
|
|
((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
|
|
(m->m_pkthdr.csum_flags & 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_NOWAIT);
|
|
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;
|
|
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);
|
|
} else if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
|
|
(m->m_pkthdr.len < MSK_MIN_FRAMELEN) &&
|
|
(m->m_pkthdr.csum_flags & CSUM_TCP) != 0) {
|
|
/*
|
|
* 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. Also I assume this bug does not happen on
|
|
* controllers that use newer descriptor format or
|
|
* automatic Tx checksum calculation.
|
|
*/
|
|
m = m_pullup(m, offset + sizeof(struct tcphdr));
|
|
if (m == NULL) {
|
|
*m_head = NULL;
|
|
return (ENOBUFS);
|
|
}
|
|
*(uint16_t *)(m->m_data + offset +
|
|
m->m_pkthdr.csum_data) = in_cksum_skip(m,
|
|
m->m_pkthdr.len, offset);
|
|
m->m_pkthdr.csum_flags &= ~CSUM_TCP;
|
|
}
|
|
*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_NOWAIT, 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) {
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
|
|
tso_mtu = m->m_pkthdr.tso_segsz;
|
|
else
|
|
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);
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
|
|
tx_le->msk_control = htole32(OP_MSS | HW_OWNER);
|
|
else
|
|
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 (tx_le == NULL) {
|
|
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) {
|
|
if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) != 0)
|
|
control |= CALSUM;
|
|
else {
|
|
control |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM;
|
|
if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0)
|
|
control |= UDPTCP;
|
|
/* Checksum write position. */
|
|
csum = (tcp_offset + m->m_pkthdr.csum_data) & 0xffff;
|
|
/* Checksum start position. */
|
|
csum |= (uint32_t)tcp_offset << 16;
|
|
if (csum != sc_if->msk_cdata.msk_last_csum) {
|
|
tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
|
|
tx_le->msk_addr = htole32(csum);
|
|
tx_le->msk_control = htole32(1 << 16 |
|
|
(OP_TCPLISW | HW_OWNER));
|
|
sc_if->msk_cdata.msk_tx_cnt++;
|
|
MSK_INC(prod, MSK_TX_RING_CNT);
|
|
sc_if->msk_cdata.msk_last_csum = csum;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef MSK_64BIT_DMA
|
|
if (MSK_ADDR_HI(txsegs[0].ds_addr) !=
|
|
sc_if->msk_cdata.msk_tx_high_addr) {
|
|
sc_if->msk_cdata.msk_tx_high_addr =
|
|
MSK_ADDR_HI(txsegs[0].ds_addr);
|
|
tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
|
|
tx_le->msk_addr = htole32(MSK_ADDR_HI(txsegs[0].ds_addr));
|
|
tx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
|
|
sc_if->msk_cdata.msk_tx_cnt++;
|
|
MSK_INC(prod, MSK_TX_RING_CNT);
|
|
}
|
|
#endif
|
|
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];
|
|
#ifdef MSK_64BIT_DMA
|
|
if (MSK_ADDR_HI(txsegs[i].ds_addr) !=
|
|
sc_if->msk_cdata.msk_tx_high_addr) {
|
|
sc_if->msk_cdata.msk_tx_high_addr =
|
|
MSK_ADDR_HI(txsegs[i].ds_addr);
|
|
tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
|
|
tx_le->msk_addr =
|
|
htole32(MSK_ADDR_HI(txsegs[i].ds_addr));
|
|
tx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
|
|
sc_if->msk_cdata.msk_tx_cnt++;
|
|
MSK_INC(prod, MSK_TX_RING_CNT);
|
|
tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
|
|
}
|
|
#endif
|
|
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 descriptor. */
|
|
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_start(struct ifnet *ifp)
|
|
{
|
|
struct msk_if_softc *sc_if;
|
|
|
|
sc_if = ifp->if_softc;
|
|
MSK_IF_LOCK(sc_if);
|
|
msk_start_locked(ifp);
|
|
MSK_IF_UNLOCK(sc_if);
|
|
}
|
|
|
|
static void
|
|
msk_start_locked(struct ifnet *ifp)
|
|
{
|
|
struct msk_if_softc *sc_if;
|
|
struct mbuf *m_head;
|
|
int enq;
|
|
|
|
sc_if = ifp->if_softc;
|
|
MSK_IF_LOCK_ASSERT(sc_if);
|
|
|
|
if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
|
|
IFF_DRV_RUNNING || (sc_if->msk_flags & MSK_FLAG_LINK) == 0)
|
|
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;
|
|
}
|
|
}
|
|
|
|
static void
|
|
msk_watchdog(struct msk_if_softc *sc_if)
|
|
{
|
|
struct ifnet *ifp;
|
|
|
|
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_flags & MSK_FLAG_LINK) == 0) {
|
|
if (bootverbose)
|
|
if_printf(sc_if->msk_ifp, "watchdog timeout "
|
|
"(missed link)\n");
|
|
ifp->if_oerrors++;
|
|
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
|
msk_init_locked(sc_if);
|
|
return;
|
|
}
|
|
|
|
if_printf(ifp, "watchdog timeout\n");
|
|
ifp->if_oerrors++;
|
|
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
|
msk_init_locked(sc_if);
|
|
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
|
|
msk_start_locked(ifp);
|
|
}
|
|
|
|
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 && 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]);
|
|
}
|
|
MSK_UNLOCK(sc);
|
|
|
|
/* Put hardware reset. */
|
|
CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
|
|
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_pflags |= MSK_FLAG_SUSPEND;
|
|
|
|
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);
|
|
|
|
CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
|
|
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)) {
|
|
sc->msk_if[i]->msk_ifp->if_drv_flags &=
|
|
~IFF_DRV_RUNNING;
|
|
msk_init_locked(sc->msk_if[i]);
|
|
}
|
|
}
|
|
sc->msk_pflags &= ~MSK_FLAG_SUSPEND;
|
|
|
|
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 __inline void
|
|
msk_rxcsum(struct msk_if_softc *sc_if, uint32_t control, struct mbuf *m)
|
|
{
|
|
struct ether_header *eh;
|
|
struct ip *ip;
|
|
struct udphdr *uh;
|
|
int32_t hlen, len, pktlen, temp32;
|
|
uint16_t csum, *opts;
|
|
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0) {
|
|
if ((control & (CSS_IPV4 | CSS_IPFRAG)) == CSS_IPV4) {
|
|
m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
|
|
if ((control & CSS_IPV4_CSUM_OK) != 0)
|
|
m->m_pkthdr.csum_flags |= CSUM_IP_VALID;
|
|
if ((control & (CSS_TCP | CSS_UDP)) != 0 &&
|
|
(control & (CSS_TCPUDP_CSUM_OK)) != 0) {
|
|
m->m_pkthdr.csum_flags |= CSUM_DATA_VALID |
|
|
CSUM_PSEUDO_HDR;
|
|
m->m_pkthdr.csum_data = 0xffff;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
/*
|
|
* Marvell Yukon controllers that support OP_RXCHKS has known
|
|
* to have various Rx checksum offloading bugs. These
|
|
* controllers can be configured to compute simple checksum
|
|
* at two different positions. So we can compute IP and TCP/UDP
|
|
* checksum at the same time. We intentionally have controller
|
|
* compute TCP/UDP checksum twice by specifying the same
|
|
* checksum start position and compare the result. If the value
|
|
* is different it would indicate the hardware logic was wrong.
|
|
*/
|
|
if ((sc_if->msk_csum & 0xFFFF) != (sc_if->msk_csum >> 16)) {
|
|
if (bootverbose)
|
|
device_printf(sc_if->msk_if_dev,
|
|
"Rx checksum value mismatch!\n");
|
|
return;
|
|
}
|
|
pktlen = m->m_pkthdr.len;
|
|
if (pktlen < sizeof(struct ether_header) + sizeof(struct ip))
|
|
return;
|
|
eh = mtod(m, struct ether_header *);
|
|
if (eh->ether_type != htons(ETHERTYPE_IP))
|
|
return;
|
|
ip = (struct ip *)(eh + 1);
|
|
if (ip->ip_v != IPVERSION)
|
|
return;
|
|
|
|
hlen = ip->ip_hl << 2;
|
|
pktlen -= sizeof(struct ether_header);
|
|
if (hlen < sizeof(struct ip))
|
|
return;
|
|
if (ntohs(ip->ip_len) < hlen)
|
|
return;
|
|
if (ntohs(ip->ip_len) != pktlen)
|
|
return;
|
|
if (ip->ip_off & htons(IP_MF | IP_OFFMASK))
|
|
return; /* can't handle fragmented packet. */
|
|
|
|
switch (ip->ip_p) {
|
|
case IPPROTO_TCP:
|
|
if (pktlen < (hlen + sizeof(struct tcphdr)))
|
|
return;
|
|
break;
|
|
case IPPROTO_UDP:
|
|
if (pktlen < (hlen + sizeof(struct udphdr)))
|
|
return;
|
|
uh = (struct udphdr *)((caddr_t)ip + hlen);
|
|
if (uh->uh_sum == 0)
|
|
return; /* no checksum */
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
csum = bswap16(sc_if->msk_csum & 0xFFFF);
|
|
/* Checksum fixup for IP options. */
|
|
len = hlen - sizeof(struct ip);
|
|
if (len > 0) {
|
|
opts = (uint16_t *)(ip + 1);
|
|
for (; len > 0; len -= sizeof(uint16_t), opts++) {
|
|
temp32 = csum - *opts;
|
|
temp32 = (temp32 >> 16) + (temp32 & 65535);
|
|
csum = temp32 & 65535;
|
|
}
|
|
}
|
|
m->m_pkthdr.csum_flags |= CSUM_DATA_VALID;
|
|
m->m_pkthdr.csum_data = csum;
|
|
}
|
|
|
|
static void
|
|
msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
|
|
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 ((sc_if->msk_flags & MSK_FLAG_NORXCHK) != 0) {
|
|
/*
|
|
* For controllers that returns bogus status code
|
|
* just do minimal check and let upper stack
|
|
* handle this frame.
|
|
*/
|
|
if (len > MSK_MAX_FRAMELEN || len < ETHER_HDR_LEN) {
|
|
ifp->if_ierrors++;
|
|
msk_discard_rxbuf(sc_if, cons);
|
|
break;
|
|
}
|
|
} else 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;
|
|
}
|
|
#ifdef MSK_64BIT_DMA
|
|
rxd = &sc_if->msk_cdata.msk_rxdesc[(cons + 1) %
|
|
MSK_RX_RING_CNT];
|
|
#else
|
|
rxd = &sc_if->msk_cdata.msk_rxdesc[cons];
|
|
#endif
|
|
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++;
|
|
if ((ifp->if_capenable & IFCAP_RXCSUM) != 0)
|
|
msk_rxcsum(sc_if, control, m);
|
|
/* 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_RX_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
|
|
MSK_RX_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, uint32_t control,
|
|
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;
|
|
}
|
|
#ifdef MSK_64BIT_DMA
|
|
jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[(cons + 1) %
|
|
MSK_JUMBO_RX_RING_CNT];
|
|
#else
|
|
jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons];
|
|
#endif
|
|
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++;
|
|
if ((ifp->if_capenable & IFCAP_RXCSUM) != 0)
|
|
msk_rxcsum(sc_if, control, m);
|
|
/* 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_RX_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
|
|
MSK_RX_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);
|
|
if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0)
|
|
msk_miibus_statchg(sc_if->msk_if_dev);
|
|
msk_handle_events(sc_if->msk_softc);
|
|
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);
|
|
/* 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. Reinitializing 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_MDPERR, 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 occurrence 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 - MSK_RX_BUF_ALIGN))
|
|
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, len, port, rxprog;
|
|
|
|
if (sc->msk_stat_cons == CSR_READ_2(sc, STAT_PUT_IDX))
|
|
return (0);
|
|
|
|
/* Sync status LEs. */
|
|
bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
|
|
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
|
|
|
|
rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0;
|
|
rxprog = 0;
|
|
cons = sc->msk_stat_cons;
|
|
for (;;) {
|
|
sd = &sc->msk_stat_ring[cons];
|
|
control = le32toh(sd->msk_control);
|
|
if ((control & HW_OWNER) == 0)
|
|
break;
|
|
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);
|
|
/* FALLTHROUGH */
|
|
case OP_RXCHKS:
|
|
sc_if->msk_csum = status;
|
|
break;
|
|
case OP_RXSTAT:
|
|
if (!(sc_if->msk_ifp->if_drv_flags & IFF_DRV_RUNNING))
|
|
break;
|
|
if (sc_if->msk_framesize >
|
|
(MCLBYTES - MSK_RX_BUF_ALIGN))
|
|
msk_jumbo_rxeof(sc_if, status, control, len);
|
|
else
|
|
msk_rxeof(sc_if, status, control, 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, sc->msk_stat_count);
|
|
if (rxprog > sc->msk_process_limit)
|
|
break;
|
|
}
|
|
|
|
sc->msk_stat_cons = cons;
|
|
bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
|
|
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
|
|
|
|
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));
|
|
}
|
|
|
|
static void
|
|
msk_intr(void *xsc)
|
|
{
|
|
struct msk_softc *sc;
|
|
struct msk_if_softc *sc_if0, *sc_if1;
|
|
struct ifnet *ifp0, *ifp1;
|
|
uint32_t status;
|
|
int domore;
|
|
|
|
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_pflags & MSK_FLAG_SUSPEND) != 0 ||
|
|
(status & sc->msk_intrmask) == 0) {
|
|
CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
|
|
MSK_UNLOCK(sc);
|
|
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);
|
|
|
|
domore = msk_handle_events(sc);
|
|
if ((status & Y2_IS_STAT_BMU) != 0 && domore == 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))
|
|
msk_start_locked(ifp0);
|
|
if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
|
|
!IFQ_DRV_IS_EMPTY(&ifp1->if_snd))
|
|
msk_start_locked(ifp1);
|
|
|
|
MSK_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
msk_set_tx_stfwd(struct msk_if_softc *sc_if)
|
|
{
|
|
struct msk_softc *sc;
|
|
struct ifnet *ifp;
|
|
|
|
ifp = sc_if->msk_ifp;
|
|
sc = sc_if->msk_softc;
|
|
if ((sc->msk_hw_id == CHIP_ID_YUKON_EX &&
|
|
sc->msk_hw_rev != CHIP_REV_YU_EX_A0) ||
|
|
sc->msk_hw_id >= CHIP_ID_YUKON_SUPR) {
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
|
|
TX_STFW_ENA);
|
|
} else {
|
|
if (ifp->if_mtu > ETHERMTU) {
|
|
/* 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_STFW_DIS);
|
|
} else {
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
|
|
TX_STFW_ENA);
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
uint8_t *eaddr;
|
|
uint16_t gmac;
|
|
uint32_t reg;
|
|
int error;
|
|
|
|
MSK_IF_LOCK_ASSERT(sc_if);
|
|
|
|
ifp = sc_if->msk_ifp;
|
|
sc = sc_if->msk_softc;
|
|
mii = device_get_softc(sc_if->msk_miibus);
|
|
|
|
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
|
|
return;
|
|
|
|
error = 0;
|
|
/* Cancel pending I/O and free all Rx/Tx buffers. */
|
|
msk_stop(sc_if);
|
|
|
|
if (ifp->if_mtu < ETHERMTU)
|
|
sc_if->msk_framesize = ETHERMTU;
|
|
else
|
|
sc_if->msk_framesize = ifp->if_mtu;
|
|
sc_if->msk_framesize += ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
|
|
if (ifp->if_mtu > ETHERMTU &&
|
|
(sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
|
|
ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
|
|
ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
|
|
}
|
|
|
|
/* GMAC Control reset. */
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_SET);
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_CLR);
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_F_LOOPB_OFF);
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_SUPR)
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL),
|
|
GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
|
|
GMC_BYP_RETR_ON);
|
|
|
|
/*
|
|
* Initialize GMAC first such that speed/duplex/flow-control
|
|
* parameters are renegotiated when interface is brought up.
|
|
*/
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, 0);
|
|
|
|
/* Dummy read the Interrupt Source Register. */
|
|
CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
|
|
|
|
/* Clear MIB stats. */
|
|
msk_stats_clear(sc_if);
|
|
|
|
/* 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 (ifp->if_mtu > ETHERMTU)
|
|
gmac |= GM_SMOD_JUMBO_ENA;
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac);
|
|
|
|
/* Set station address. */
|
|
eaddr = IF_LLADDR(ifp);
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L,
|
|
eaddr[0] | (eaddr[1] << 8));
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1M,
|
|
eaddr[2] | (eaddr[3] << 8));
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1H,
|
|
eaddr[4] | (eaddr[5] << 8));
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L,
|
|
eaddr[0] | (eaddr[1] << 8));
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2M,
|
|
eaddr[2] | (eaddr[3] << 8));
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2H,
|
|
eaddr[4] | (eaddr[5] << 8));
|
|
|
|
/* 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);
|
|
reg = GMF_OPER_ON | GMF_RX_F_FL_ON;
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_EX)
|
|
reg |= GMF_RX_OVER_ON;
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), reg);
|
|
|
|
/* Set receive filter. */
|
|
msk_rxfilter(sc_if);
|
|
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
|
|
/* Clear flush mask - HW bug. */
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 0);
|
|
} else {
|
|
/* 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.
|
|
*/
|
|
reg = RX_GMF_FL_THR_DEF + 1;
|
|
/* Another magic for Yukon FE+ - From Linux. */
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
|
|
sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0)
|
|
reg = 0x178;
|
|
CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), reg);
|
|
|
|
/* 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 threshold. */
|
|
CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR),
|
|
MSK_ECU_LLPP);
|
|
CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR),
|
|
MSK_ECU_ULPP);
|
|
/* Configure store-and-forward for Tx. */
|
|
msk_set_tx_stfwd(sc_if);
|
|
}
|
|
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
|
|
sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
|
|
/* Disable dynamic watermark - from Linux. */
|
|
reg = CSR_READ_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA));
|
|
reg &= ~0x03;
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA), reg);
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
switch (sc->msk_hw_id) {
|
|
case CHIP_ID_YUKON_EC_U:
|
|
if (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);
|
|
}
|
|
break;
|
|
case CHIP_ID_YUKON_EX:
|
|
/*
|
|
* Yukon Extreme seems to have silicon bug for
|
|
* automatic Tx checksum calculation capability.
|
|
*/
|
|
if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
|
|
CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_F),
|
|
F_TX_CHK_AUTO_OFF);
|
|
break;
|
|
}
|
|
|
|
/* 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. */
|
|
reg = BMU_DIS_RX_RSS_HASH;
|
|
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
|
|
(ifp->if_capenable & IFCAP_RXCSUM) != 0)
|
|
reg |= BMU_ENA_RX_CHKSUM;
|
|
else
|
|
reg |= BMU_DIS_RX_CHKSUM;
|
|
CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), reg);
|
|
if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) {
|
|
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;
|
|
}
|
|
if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
|
|
sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
|
|
/* Disable flushing of non-ASF packets. */
|
|
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
|
|
GMF_RX_MACSEC_FLUSH_OFF);
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
/* Configure IRQ moderation mask. */
|
|
CSR_WRITE_4(sc, B2_IRQM_MSK, sc->msk_intrmask);
|
|
if (sc->msk_int_holdoff > 0) {
|
|
/* Configure initial IRQ moderation timer value. */
|
|
CSR_WRITE_4(sc, B2_IRQM_INI,
|
|
MSK_USECS(sc, sc->msk_int_holdoff));
|
|
CSR_WRITE_4(sc, B2_IRQM_VAL,
|
|
MSK_USECS(sc, sc->msk_int_holdoff));
|
|
/* Start IRQ moderation. */
|
|
CSR_WRITE_1(sc, B2_IRQM_CTRL, TIM_START);
|
|
}
|
|
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);
|
|
|
|
ifp->if_drv_flags |= IFF_DRV_RUNNING;
|
|
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
|
|
|
|
sc_if->msk_flags &= ~MSK_FLAG_LINK;
|
|
mii_mediachg(mii);
|
|
|
|
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);
|
|
/* Update stats and clear counters. */
|
|
msk_stats_update(sc_if);
|
|
|
|
/* 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);
|
|
val = 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_flags &= ~MSK_FLAG_LINK;
|
|
}
|
|
|
|
/*
|
|
* When GM_PAR_MIB_CLR bit of GM_PHY_ADDR is set, reading lower
|
|
* counter clears high 16 bits of the counter such that accessing
|
|
* lower 16 bits should be the last operation.
|
|
*/
|
|
#define MSK_READ_MIB32(x, y) \
|
|
(((uint32_t)GMAC_READ_2(sc, x, (y) + 4)) << 16) + \
|
|
(uint32_t)GMAC_READ_2(sc, x, y)
|
|
#define MSK_READ_MIB64(x, y) \
|
|
(((uint64_t)MSK_READ_MIB32(x, (y) + 8)) << 32) + \
|
|
(uint64_t)MSK_READ_MIB32(x, y)
|
|
|
|
static void
|
|
msk_stats_clear(struct msk_if_softc *sc_if)
|
|
{
|
|
struct msk_softc *sc;
|
|
uint32_t reg;
|
|
uint16_t gmac;
|
|
int i;
|
|
|
|
MSK_IF_LOCK_ASSERT(sc_if);
|
|
|
|
sc = sc_if->msk_softc;
|
|
/* 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 = GM_RXF_UC_OK; i <= GM_TXE_FIFO_UR; i += sizeof(uint32_t))
|
|
reg = MSK_READ_MIB32(sc_if->msk_port, i);
|
|
/* Clear MIB Clear Counter Mode. */
|
|
gmac &= ~GM_PAR_MIB_CLR;
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
|
|
}
|
|
|
|
static void
|
|
msk_stats_update(struct msk_if_softc *sc_if)
|
|
{
|
|
struct msk_softc *sc;
|
|
struct ifnet *ifp;
|
|
struct msk_hw_stats *stats;
|
|
uint16_t gmac;
|
|
uint32_t reg;
|
|
|
|
MSK_IF_LOCK_ASSERT(sc_if);
|
|
|
|
ifp = sc_if->msk_ifp;
|
|
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
|
|
return;
|
|
sc = sc_if->msk_softc;
|
|
stats = &sc_if->msk_stats;
|
|
/* 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);
|
|
|
|
/* Rx stats. */
|
|
stats->rx_ucast_frames +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_UC_OK);
|
|
stats->rx_bcast_frames +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_BC_OK);
|
|
stats->rx_pause_frames +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MPAUSE);
|
|
stats->rx_mcast_frames +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MC_OK);
|
|
stats->rx_crc_errs +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_FCS_ERR);
|
|
reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE1);
|
|
stats->rx_good_octets +=
|
|
MSK_READ_MIB64(sc_if->msk_port, GM_RXO_OK_LO);
|
|
stats->rx_bad_octets +=
|
|
MSK_READ_MIB64(sc_if->msk_port, GM_RXO_ERR_LO);
|
|
stats->rx_runts +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SHT);
|
|
stats->rx_runt_errs +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FRAG);
|
|
stats->rx_pkts_64 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_64B);
|
|
stats->rx_pkts_65_127 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_127B);
|
|
stats->rx_pkts_128_255 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_255B);
|
|
stats->rx_pkts_256_511 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_511B);
|
|
stats->rx_pkts_512_1023 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1023B);
|
|
stats->rx_pkts_1024_1518 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1518B);
|
|
stats->rx_pkts_1519_max +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MAX_SZ);
|
|
stats->rx_pkts_too_long +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_LNG_ERR);
|
|
stats->rx_pkts_jabbers +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXF_JAB_PKT);
|
|
reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE2);
|
|
stats->rx_fifo_oflows +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FIFO_OV);
|
|
reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE3);
|
|
|
|
/* Tx stats. */
|
|
stats->tx_ucast_frames +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_UC_OK);
|
|
stats->tx_bcast_frames +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_BC_OK);
|
|
stats->tx_pause_frames +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MPAUSE);
|
|
stats->tx_mcast_frames +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MC_OK);
|
|
stats->tx_octets +=
|
|
MSK_READ_MIB64(sc_if->msk_port, GM_TXO_OK_LO);
|
|
stats->tx_pkts_64 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_64B);
|
|
stats->tx_pkts_65_127 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_127B);
|
|
stats->tx_pkts_128_255 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_255B);
|
|
stats->tx_pkts_256_511 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_511B);
|
|
stats->tx_pkts_512_1023 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1023B);
|
|
stats->tx_pkts_1024_1518 +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1518B);
|
|
stats->tx_pkts_1519_max +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MAX_SZ);
|
|
reg = MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SPARE1);
|
|
stats->tx_colls +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_COL);
|
|
stats->tx_late_colls +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_LAT_COL);
|
|
stats->tx_excess_colls +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_ABO_COL);
|
|
stats->tx_multi_colls +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MUL_COL);
|
|
stats->tx_single_colls +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SNG_COL);
|
|
stats->tx_underflows +=
|
|
MSK_READ_MIB32(sc_if->msk_port, GM_TXE_FIFO_UR);
|
|
/* Clear MIB Clear Counter Mode. */
|
|
gmac &= ~GM_PAR_MIB_CLR;
|
|
GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
|
|
}
|
|
|
|
static int
|
|
msk_sysctl_stat32(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct msk_softc *sc;
|
|
struct msk_if_softc *sc_if;
|
|
uint32_t result, *stat;
|
|
int off;
|
|
|
|
sc_if = (struct msk_if_softc *)arg1;
|
|
sc = sc_if->msk_softc;
|
|
off = arg2;
|
|
stat = (uint32_t *)((uint8_t *)&sc_if->msk_stats + off);
|
|
|
|
MSK_IF_LOCK(sc_if);
|
|
result = MSK_READ_MIB32(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
|
|
result += *stat;
|
|
MSK_IF_UNLOCK(sc_if);
|
|
|
|
return (sysctl_handle_int(oidp, &result, 0, req));
|
|
}
|
|
|
|
static int
|
|
msk_sysctl_stat64(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct msk_softc *sc;
|
|
struct msk_if_softc *sc_if;
|
|
uint64_t result, *stat;
|
|
int off;
|
|
|
|
sc_if = (struct msk_if_softc *)arg1;
|
|
sc = sc_if->msk_softc;
|
|
off = arg2;
|
|
stat = (uint64_t *)((uint8_t *)&sc_if->msk_stats + off);
|
|
|
|
MSK_IF_LOCK(sc_if);
|
|
result = MSK_READ_MIB64(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
|
|
result += *stat;
|
|
MSK_IF_UNLOCK(sc_if);
|
|
|
|
return (sysctl_handle_64(oidp, &result, 0, req));
|
|
}
|
|
|
|
#undef MSK_READ_MIB32
|
|
#undef MSK_READ_MIB64
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#define MSK_SYSCTL_STAT32(sc, c, o, p, n, d) \
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SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \
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sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat32, \
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"IU", d)
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#define MSK_SYSCTL_STAT64(sc, c, o, p, n, d) \
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SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_U64 | CTLFLAG_RD, \
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sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat64, \
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"QU", d)
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static void
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msk_sysctl_node(struct msk_if_softc *sc_if)
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{
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struct sysctl_ctx_list *ctx;
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struct sysctl_oid_list *child, *schild;
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struct sysctl_oid *tree;
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ctx = device_get_sysctl_ctx(sc_if->msk_if_dev);
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child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc_if->msk_if_dev));
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tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
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NULL, "MSK Statistics");
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schild = child = SYSCTL_CHILDREN(tree);
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tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "rx", CTLFLAG_RD,
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NULL, "MSK RX Statistics");
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child = SYSCTL_CHILDREN(tree);
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MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
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child, rx_ucast_frames, "Good unicast frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
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child, rx_bcast_frames, "Good broadcast frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
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child, rx_pause_frames, "Pause frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
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child, rx_mcast_frames, "Multicast frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "crc_errs",
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child, rx_crc_errs, "CRC errors");
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MSK_SYSCTL_STAT64(sc_if, ctx, "good_octets",
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child, rx_good_octets, "Good octets");
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MSK_SYSCTL_STAT64(sc_if, ctx, "bad_octets",
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child, rx_bad_octets, "Bad octets");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
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child, rx_pkts_64, "64 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
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child, rx_pkts_65_127, "65 to 127 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
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child, rx_pkts_128_255, "128 to 255 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
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child, rx_pkts_256_511, "256 to 511 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
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child, rx_pkts_512_1023, "512 to 1023 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
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child, rx_pkts_1024_1518, "1024 to 1518 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
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child, rx_pkts_1519_max, "1519 to max frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_too_long",
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child, rx_pkts_too_long, "frames too long");
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MSK_SYSCTL_STAT32(sc_if, ctx, "jabbers",
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child, rx_pkts_jabbers, "Jabber errors");
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MSK_SYSCTL_STAT32(sc_if, ctx, "overflows",
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child, rx_fifo_oflows, "FIFO overflows");
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tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "tx", CTLFLAG_RD,
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NULL, "MSK TX Statistics");
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child = SYSCTL_CHILDREN(tree);
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MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
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child, tx_ucast_frames, "Unicast frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
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child, tx_bcast_frames, "Broadcast frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
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child, tx_pause_frames, "Pause frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
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child, tx_mcast_frames, "Multicast frames");
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MSK_SYSCTL_STAT64(sc_if, ctx, "octets",
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child, tx_octets, "Octets");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
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child, tx_pkts_64, "64 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
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child, tx_pkts_65_127, "65 to 127 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
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child, tx_pkts_128_255, "128 to 255 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
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child, tx_pkts_256_511, "256 to 511 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
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child, tx_pkts_512_1023, "512 to 1023 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
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child, tx_pkts_1024_1518, "1024 to 1518 bytes frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
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child, tx_pkts_1519_max, "1519 to max frames");
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MSK_SYSCTL_STAT32(sc_if, ctx, "colls",
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child, tx_colls, "Collisions");
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MSK_SYSCTL_STAT32(sc_if, ctx, "late_colls",
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child, tx_late_colls, "Late collisions");
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MSK_SYSCTL_STAT32(sc_if, ctx, "excess_colls",
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child, tx_excess_colls, "Excessive collisions");
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MSK_SYSCTL_STAT32(sc_if, ctx, "multi_colls",
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child, tx_multi_colls, "Multiple collisions");
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MSK_SYSCTL_STAT32(sc_if, ctx, "single_colls",
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child, tx_single_colls, "Single collisions");
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MSK_SYSCTL_STAT32(sc_if, ctx, "underflows",
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child, tx_underflows, "FIFO underflows");
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}
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#undef MSK_SYSCTL_STAT32
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#undef MSK_SYSCTL_STAT64
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static int
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sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high)
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{
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int error, value;
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if (!arg1)
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return (EINVAL);
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value = *(int *)arg1;
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error = sysctl_handle_int(oidp, &value, 0, req);
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if (error || !req->newptr)
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return (error);
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if (value < low || value > high)
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return (EINVAL);
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*(int *)arg1 = value;
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return (0);
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}
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static int
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sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS)
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{
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return (sysctl_int_range(oidp, arg1, arg2, req, MSK_PROC_MIN,
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MSK_PROC_MAX));
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}
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