2a3c5de4f7
when oving to iflib. Reviewed by: sbruno Sponsored by: ABT Systems Ltd Differential Revision: https://reviews.freebsd.org/D9511
4310 lines
136 KiB
C
4310 lines
136 KiB
C
/*-
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* Copyright (c) 2016 Matt Macy <mmacy@nextbsd.org>
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* $FreeBSD$ */
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#include "if_em.h"
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#include <sys/sbuf.h>
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#include <machine/_inttypes.h>
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#define em_mac_min e1000_82547
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#define igb_mac_min e1000_82575
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/*********************************************************************
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* Driver version:
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*********************************************************************/
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char em_driver_version[] = "7.6.1-k";
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/*********************************************************************
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* PCI Device ID Table
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*
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* Used by probe to select devices to load on
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* Last field stores an index into e1000_strings
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* Last entry must be all 0s
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*
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* { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index }
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*********************************************************************/
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static pci_vendor_info_t em_vendor_info_array[] =
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{
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/* Intel(R) PRO/1000 Network Connection - Legacy em*/
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PVID(0x8086, E1000_DEV_ID_82540EM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82540EM_LOM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82540EP, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82540EP_LOM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82540EP_LP, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82541EI, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82541ER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82541ER_LOM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82541EI_MOBILE, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82541GI, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82541GI_LF, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82541GI_MOBILE, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82542, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82543GC_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82543GC_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82544EI_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82544EI_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82544GC_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82544GC_LOM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82545EM_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82545EM_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82545GM_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82545GM_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82545GM_SERDES, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546EB_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546EB_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546EB_QUAD_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546GB_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546GB_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546GB_SERDES, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546GB_PCIE, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546GB_QUAD_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82547EI, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82547EI_MOBILE, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82547GI, "Intel(R) PRO/1000 Network Connection"),
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/* Intel(R) PRO/1000 Network Connection - em */
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PVID(0x8086, E1000_DEV_ID_82571EB_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82571EB_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82571EB_SERDES, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82571EB_SERDES_DUAL, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82571EB_SERDES_QUAD, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82571EB_QUAD_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82571EB_QUAD_COPPER_LP, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82571EB_QUAD_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82571PT_QUAD_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82572EI, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82572EI_COPPER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82572EI_FIBER, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82572EI_SERDES, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82573E, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82573E_IAMT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82573L, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82583V, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_80003ES2LAN_COPPER_SPT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_80003ES2LAN_SERDES_SPT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_80003ES2LAN_COPPER_DPT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_80003ES2LAN_SERDES_DPT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH8_IGP_M_AMT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH8_IGP_AMT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH8_IGP_C, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH8_IFE, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH8_IFE_GT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH8_IFE_G, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH8_IGP_M, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH8_82567V_3, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_IGP_M_AMT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_IGP_AMT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_IGP_C, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_IGP_M, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_IGP_M_V, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_IFE, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_IFE_GT, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_IFE_G, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH9_BM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82574L, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_82574LA, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH10_R_BM_LM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH10_R_BM_LF, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH10_R_BM_V, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH10_D_BM_LM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH10_D_BM_LF, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_ICH10_D_BM_V, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_M_HV_LM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_M_HV_LC, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_D_HV_DM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_D_HV_DC, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH2_LV_LM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH2_LV_V, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_LPT_I217_LM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_LPT_I217_V, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_LPTLP_I218_LM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_LPTLP_I218_V, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_I218_LM2, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_I218_V2, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_I218_LM3, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_I218_V3, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_LM, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_V, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_LM2, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_V2, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_LBG_I219_LM3, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_LM4, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_V4, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_LM5, "Intel(R) PRO/1000 Network Connection"),
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PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_V5, "Intel(R) PRO/1000 Network Connection"),
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/* required last entry */
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PVID_END
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};
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static pci_vendor_info_t igb_vendor_info_array[] =
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{
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/* Intel(R) PRO/1000 Network Connection - em */
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PVID(0x8086, E1000_DEV_ID_82575EB_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82575EB_FIBER_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82575GB_QUAD_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576_NS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576_NS_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576_SERDES_QUAD, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576_QUAD_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576_QUAD_COPPER_ET2, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82576_VF, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82580_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82580_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82580_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82580_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82580_COPPER_DUAL, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_82580_QUAD_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_DH89XXCC_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_DH89XXCC_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_DH89XXCC_SFP, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_DH89XXCC_BACKPLANE, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I350_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I350_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I350_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I350_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I350_VF, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I210_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I210_COPPER_IT, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I210_COPPER_OEM1, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I210_COPPER_FLASHLESS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I210_SERDES_FLASHLESS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I210_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I210_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I210_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I211_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I354_BACKPLANE_1GBPS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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PVID(0x8086, E1000_DEV_ID_I354_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
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/* required last entry */
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PVID_END
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};
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/*********************************************************************
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* Function prototypes
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*********************************************************************/
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static void *em_register(device_t dev);
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static void *igb_register(device_t dev);
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static int em_if_attach_pre(if_ctx_t ctx);
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static int em_if_attach_post(if_ctx_t ctx);
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static int em_if_detach(if_ctx_t ctx);
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static int em_if_shutdown(if_ctx_t ctx);
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static int em_if_suspend(if_ctx_t ctx);
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static int em_if_resume(if_ctx_t ctx);
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static int em_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets);
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static int em_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nrxqs, int nrxqsets);
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static void em_if_queues_free(if_ctx_t ctx);
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static uint64_t em_if_get_counter(if_ctx_t, ift_counter);
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static void em_if_init(if_ctx_t ctx);
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static void em_if_stop(if_ctx_t ctx);
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static void em_if_media_status(if_ctx_t, struct ifmediareq *);
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static int em_if_media_change(if_ctx_t ctx);
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static int em_if_mtu_set(if_ctx_t ctx, uint32_t mtu);
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static void em_if_timer(if_ctx_t ctx, uint16_t qid);
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static void em_if_vlan_register(if_ctx_t ctx, u16 vtag);
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static void em_if_vlan_unregister(if_ctx_t ctx, u16 vtag);
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static void em_identify_hardware(if_ctx_t ctx);
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static int em_allocate_pci_resources(if_ctx_t ctx);
|
|
static void em_free_pci_resources(if_ctx_t ctx);
|
|
static void em_reset(if_ctx_t ctx);
|
|
static int em_setup_interface(if_ctx_t ctx);
|
|
static int em_setup_msix(if_ctx_t ctx);
|
|
|
|
static void em_initialize_transmit_unit(if_ctx_t ctx);
|
|
static void em_initialize_receive_unit(if_ctx_t ctx);
|
|
|
|
static void em_if_enable_intr(if_ctx_t ctx);
|
|
static void em_if_disable_intr(if_ctx_t ctx);
|
|
static int em_if_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid);
|
|
static void em_if_multi_set(if_ctx_t ctx);
|
|
static void em_if_update_admin_status(if_ctx_t ctx);
|
|
static void em_update_stats_counters(struct adapter *);
|
|
static void em_add_hw_stats(struct adapter *adapter);
|
|
static int em_if_set_promisc(if_ctx_t ctx, int flags);
|
|
static void em_setup_vlan_hw_support(struct adapter *);
|
|
static int em_sysctl_nvm_info(SYSCTL_HANDLER_ARGS);
|
|
static void em_print_nvm_info(struct adapter *);
|
|
static int em_sysctl_debug_info(SYSCTL_HANDLER_ARGS);
|
|
static void em_print_debug_info(struct adapter *);
|
|
static int em_is_valid_ether_addr(u8 *);
|
|
static int em_sysctl_int_delay(SYSCTL_HANDLER_ARGS);
|
|
static void em_add_int_delay_sysctl(struct adapter *, const char *,
|
|
const char *, struct em_int_delay_info *, int, int);
|
|
/* Management and WOL Support */
|
|
static void em_init_manageability(struct adapter *);
|
|
static void em_release_manageability(struct adapter *);
|
|
static void em_get_hw_control(struct adapter *);
|
|
static void em_release_hw_control(struct adapter *);
|
|
static void em_get_wakeup(if_ctx_t ctx);
|
|
static void em_enable_wakeup(if_ctx_t ctx);
|
|
static int em_enable_phy_wakeup(struct adapter *);
|
|
static void em_disable_aspm(struct adapter *);
|
|
|
|
int em_intr(void *arg);
|
|
static void em_disable_promisc(if_ctx_t ctx);
|
|
|
|
/* MSIX handlers */
|
|
static int em_if_msix_intr_assign(if_ctx_t, int);
|
|
static int em_msix_link(void *);
|
|
static void em_handle_link(void *context);
|
|
|
|
static void em_enable_vectors_82574(if_ctx_t);
|
|
|
|
static void em_set_sysctl_value(struct adapter *, const char *,
|
|
const char *, int *, int);
|
|
static int em_set_flowcntl(SYSCTL_HANDLER_ARGS);
|
|
static int em_sysctl_eee(SYSCTL_HANDLER_ARGS);
|
|
static void em_if_led_func(if_ctx_t ctx, int onoff);
|
|
|
|
static void em_init_tx_ring(struct em_tx_queue *que);
|
|
static int em_get_regs(SYSCTL_HANDLER_ARGS);
|
|
|
|
static void lem_smartspeed(struct adapter *adapter);
|
|
static void igb_configure_queues(struct adapter *adapter);
|
|
|
|
|
|
/*********************************************************************
|
|
* FreeBSD Device Interface Entry Points
|
|
*********************************************************************/
|
|
static device_method_t em_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_register, em_register),
|
|
DEVMETHOD(device_probe, iflib_device_probe),
|
|
DEVMETHOD(device_attach, iflib_device_attach),
|
|
DEVMETHOD(device_detach, iflib_device_detach),
|
|
DEVMETHOD(device_shutdown, iflib_device_shutdown),
|
|
DEVMETHOD(device_suspend, iflib_device_suspend),
|
|
DEVMETHOD(device_resume, iflib_device_resume),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static device_method_t igb_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_register, igb_register),
|
|
DEVMETHOD(device_probe, iflib_device_probe),
|
|
DEVMETHOD(device_attach, iflib_device_attach),
|
|
DEVMETHOD(device_detach, iflib_device_detach),
|
|
DEVMETHOD(device_shutdown, iflib_device_shutdown),
|
|
DEVMETHOD(device_suspend, iflib_device_suspend),
|
|
DEVMETHOD(device_resume, iflib_device_resume),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
|
|
static driver_t em_driver = {
|
|
"em", em_methods, sizeof(struct adapter),
|
|
};
|
|
|
|
static devclass_t em_devclass;
|
|
DRIVER_MODULE(em, pci, em_driver, em_devclass, 0, 0);
|
|
|
|
MODULE_DEPEND(em, pci, 1, 1, 1);
|
|
MODULE_DEPEND(em, ether, 1, 1, 1);
|
|
MODULE_DEPEND(em, iflib, 1, 1, 1);
|
|
|
|
static driver_t igb_driver = {
|
|
"igb", igb_methods, sizeof(struct adapter),
|
|
};
|
|
|
|
static devclass_t igb_devclass;
|
|
DRIVER_MODULE(igb, pci, igb_driver, igb_devclass, 0, 0);
|
|
|
|
MODULE_DEPEND(igb, pci, 1, 1, 1);
|
|
MODULE_DEPEND(igb, ether, 1, 1, 1);
|
|
MODULE_DEPEND(igb, iflib, 1, 1, 1);
|
|
|
|
|
|
static device_method_t em_if_methods[] = {
|
|
DEVMETHOD(ifdi_attach_pre, em_if_attach_pre),
|
|
DEVMETHOD(ifdi_attach_post, em_if_attach_post),
|
|
DEVMETHOD(ifdi_detach, em_if_detach),
|
|
DEVMETHOD(ifdi_shutdown, em_if_shutdown),
|
|
DEVMETHOD(ifdi_suspend, em_if_suspend),
|
|
DEVMETHOD(ifdi_resume, em_if_resume),
|
|
DEVMETHOD(ifdi_init, em_if_init),
|
|
DEVMETHOD(ifdi_stop, em_if_stop),
|
|
DEVMETHOD(ifdi_msix_intr_assign, em_if_msix_intr_assign),
|
|
DEVMETHOD(ifdi_intr_enable, em_if_enable_intr),
|
|
DEVMETHOD(ifdi_intr_disable, em_if_disable_intr),
|
|
DEVMETHOD(ifdi_tx_queues_alloc, em_if_tx_queues_alloc),
|
|
DEVMETHOD(ifdi_rx_queues_alloc, em_if_rx_queues_alloc),
|
|
DEVMETHOD(ifdi_queues_free, em_if_queues_free),
|
|
DEVMETHOD(ifdi_update_admin_status, em_if_update_admin_status),
|
|
DEVMETHOD(ifdi_multi_set, em_if_multi_set),
|
|
DEVMETHOD(ifdi_media_status, em_if_media_status),
|
|
DEVMETHOD(ifdi_media_change, em_if_media_change),
|
|
DEVMETHOD(ifdi_mtu_set, em_if_mtu_set),
|
|
DEVMETHOD(ifdi_promisc_set, em_if_set_promisc),
|
|
DEVMETHOD(ifdi_timer, em_if_timer),
|
|
DEVMETHOD(ifdi_vlan_register, em_if_vlan_register),
|
|
DEVMETHOD(ifdi_vlan_unregister, em_if_vlan_unregister),
|
|
DEVMETHOD(ifdi_get_counter, em_if_get_counter),
|
|
DEVMETHOD(ifdi_led_func, em_if_led_func),
|
|
DEVMETHOD(ifdi_queue_intr_enable, em_if_queue_intr_enable),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
/*
|
|
* note that if (adapter->msix_mem) is replaced by:
|
|
* if (adapter->intr_type == IFLIB_INTR_MSIX)
|
|
*/
|
|
static driver_t em_if_driver = {
|
|
"em_if", em_if_methods, sizeof(struct adapter)
|
|
};
|
|
|
|
/*********************************************************************
|
|
* Tunable default values.
|
|
*********************************************************************/
|
|
|
|
#define EM_TICKS_TO_USECS(ticks) ((1024 * (ticks) + 500) / 1000)
|
|
#define EM_USECS_TO_TICKS(usecs) ((1000 * (usecs) + 512) / 1024)
|
|
#define M_TSO_LEN 66
|
|
|
|
#define MAX_INTS_PER_SEC 8000
|
|
#define DEFAULT_ITR (1000000000/(MAX_INTS_PER_SEC * 256))
|
|
|
|
/* Allow common code without TSO */
|
|
#ifndef CSUM_TSO
|
|
#define CSUM_TSO 0
|
|
#endif
|
|
|
|
#define TSO_WORKAROUND 4
|
|
|
|
static SYSCTL_NODE(_hw, OID_AUTO, em, CTLFLAG_RD, 0, "EM driver parameters");
|
|
|
|
static int em_disable_crc_stripping = 0;
|
|
SYSCTL_INT(_hw_em, OID_AUTO, disable_crc_stripping, CTLFLAG_RDTUN,
|
|
&em_disable_crc_stripping, 0, "Disable CRC Stripping");
|
|
|
|
static int em_tx_int_delay_dflt = EM_TICKS_TO_USECS(EM_TIDV);
|
|
static int em_rx_int_delay_dflt = EM_TICKS_TO_USECS(EM_RDTR);
|
|
SYSCTL_INT(_hw_em, OID_AUTO, tx_int_delay, CTLFLAG_RDTUN, &em_tx_int_delay_dflt,
|
|
0, "Default transmit interrupt delay in usecs");
|
|
SYSCTL_INT(_hw_em, OID_AUTO, rx_int_delay, CTLFLAG_RDTUN, &em_rx_int_delay_dflt,
|
|
0, "Default receive interrupt delay in usecs");
|
|
|
|
static int em_tx_abs_int_delay_dflt = EM_TICKS_TO_USECS(EM_TADV);
|
|
static int em_rx_abs_int_delay_dflt = EM_TICKS_TO_USECS(EM_RADV);
|
|
SYSCTL_INT(_hw_em, OID_AUTO, tx_abs_int_delay, CTLFLAG_RDTUN,
|
|
&em_tx_abs_int_delay_dflt, 0,
|
|
"Default transmit interrupt delay limit in usecs");
|
|
SYSCTL_INT(_hw_em, OID_AUTO, rx_abs_int_delay, CTLFLAG_RDTUN,
|
|
&em_rx_abs_int_delay_dflt, 0,
|
|
"Default receive interrupt delay limit in usecs");
|
|
|
|
static int em_smart_pwr_down = FALSE;
|
|
SYSCTL_INT(_hw_em, OID_AUTO, smart_pwr_down, CTLFLAG_RDTUN, &em_smart_pwr_down,
|
|
0, "Set to true to leave smart power down enabled on newer adapters");
|
|
|
|
/* Controls whether promiscuous also shows bad packets */
|
|
static int em_debug_sbp = TRUE;
|
|
SYSCTL_INT(_hw_em, OID_AUTO, sbp, CTLFLAG_RDTUN, &em_debug_sbp, 0,
|
|
"Show bad packets in promiscuous mode");
|
|
|
|
/* How many packets rxeof tries to clean at a time */
|
|
static int em_rx_process_limit = 100;
|
|
SYSCTL_INT(_hw_em, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN,
|
|
&em_rx_process_limit, 0,
|
|
"Maximum number of received packets to process "
|
|
"at a time, -1 means unlimited");
|
|
|
|
/* Energy efficient ethernet - default to OFF */
|
|
static int eee_setting = 1;
|
|
SYSCTL_INT(_hw_em, OID_AUTO, eee_setting, CTLFLAG_RDTUN, &eee_setting, 0,
|
|
"Enable Energy Efficient Ethernet");
|
|
|
|
/*
|
|
** Tuneable Interrupt rate
|
|
*/
|
|
static int em_max_interrupt_rate = 8000;
|
|
SYSCTL_INT(_hw_em, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN,
|
|
&em_max_interrupt_rate, 0, "Maximum interrupts per second");
|
|
|
|
|
|
|
|
/* Global used in WOL setup with multiport cards */
|
|
static int global_quad_port_a = 0;
|
|
|
|
extern struct if_txrx igb_txrx;
|
|
extern struct if_txrx em_txrx;
|
|
extern struct if_txrx lem_txrx;
|
|
|
|
static struct if_shared_ctx em_sctx_init = {
|
|
.isc_magic = IFLIB_MAGIC,
|
|
.isc_q_align = PAGE_SIZE,
|
|
.isc_tx_maxsize = EM_TSO_SIZE,
|
|
.isc_tx_maxsegsize = PAGE_SIZE,
|
|
.isc_rx_maxsize = MJUM9BYTES,
|
|
.isc_rx_nsegments = 1,
|
|
.isc_rx_maxsegsize = MJUM9BYTES,
|
|
.isc_nfl = 1,
|
|
.isc_nrxqs = 1,
|
|
.isc_ntxqs = 1,
|
|
.isc_admin_intrcnt = 1,
|
|
.isc_vendor_info = em_vendor_info_array,
|
|
.isc_driver_version = em_driver_version,
|
|
.isc_driver = &em_if_driver,
|
|
.isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP,
|
|
|
|
.isc_nrxd_min = {EM_MIN_RXD},
|
|
.isc_ntxd_min = {EM_MIN_TXD},
|
|
.isc_nrxd_max = {EM_MAX_RXD},
|
|
.isc_ntxd_max = {EM_MAX_TXD},
|
|
.isc_nrxd_default = {EM_DEFAULT_RXD},
|
|
.isc_ntxd_default = {EM_DEFAULT_TXD},
|
|
};
|
|
|
|
if_shared_ctx_t em_sctx = &em_sctx_init;
|
|
|
|
|
|
static struct if_shared_ctx igb_sctx_init = {
|
|
.isc_magic = IFLIB_MAGIC,
|
|
.isc_q_align = PAGE_SIZE,
|
|
.isc_tx_maxsize = EM_TSO_SIZE,
|
|
.isc_tx_maxsegsize = PAGE_SIZE,
|
|
.isc_rx_maxsize = MJUM9BYTES,
|
|
.isc_rx_nsegments = 1,
|
|
.isc_rx_maxsegsize = MJUM9BYTES,
|
|
.isc_nfl = 1,
|
|
.isc_nrxqs = 1,
|
|
.isc_ntxqs = 1,
|
|
.isc_admin_intrcnt = 1,
|
|
.isc_vendor_info = igb_vendor_info_array,
|
|
.isc_driver_version = em_driver_version,
|
|
.isc_driver = &em_if_driver,
|
|
.isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP,
|
|
|
|
.isc_nrxd_min = {EM_MIN_RXD},
|
|
.isc_ntxd_min = {EM_MIN_TXD},
|
|
.isc_nrxd_max = {EM_MAX_RXD},
|
|
.isc_ntxd_max = {EM_MAX_TXD},
|
|
.isc_nrxd_default = {EM_DEFAULT_RXD},
|
|
.isc_ntxd_default = {EM_DEFAULT_TXD},
|
|
};
|
|
|
|
if_shared_ctx_t igb_sctx = &igb_sctx_init;
|
|
|
|
/*****************************************************************
|
|
*
|
|
* Dump Registers
|
|
*
|
|
****************************************************************/
|
|
#define IGB_REGS_LEN 739
|
|
|
|
static int em_get_regs(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct adapter *adapter = (struct adapter *)arg1;
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
|
|
struct sbuf *sb;
|
|
u32 *regs_buff = (u32 *)malloc(sizeof(u32) * IGB_REGS_LEN, M_DEVBUF, M_NOWAIT);
|
|
int rc;
|
|
|
|
memset(regs_buff, 0, IGB_REGS_LEN * sizeof(u32));
|
|
|
|
rc = sysctl_wire_old_buffer(req, 0);
|
|
MPASS(rc == 0);
|
|
if (rc != 0)
|
|
return (rc);
|
|
|
|
sb = sbuf_new_for_sysctl(NULL, NULL, 32*400, req);
|
|
MPASS(sb != NULL);
|
|
if (sb == NULL)
|
|
return (ENOMEM);
|
|
|
|
/* General Registers */
|
|
regs_buff[0] = E1000_READ_REG(hw, E1000_CTRL);
|
|
regs_buff[1] = E1000_READ_REG(hw, E1000_STATUS);
|
|
regs_buff[2] = E1000_READ_REG(hw, E1000_CTRL_EXT);
|
|
regs_buff[3] = E1000_READ_REG(hw, E1000_ICR);
|
|
regs_buff[4] = E1000_READ_REG(hw, E1000_RCTL);
|
|
regs_buff[5] = E1000_READ_REG(hw, E1000_RDLEN(0));
|
|
regs_buff[6] = E1000_READ_REG(hw, E1000_RDH(0));
|
|
regs_buff[7] = E1000_READ_REG(hw, E1000_RDT(0));
|
|
regs_buff[8] = E1000_READ_REG(hw, E1000_RXDCTL(0));
|
|
regs_buff[9] = E1000_READ_REG(hw, E1000_RDBAL(0));
|
|
regs_buff[10] = E1000_READ_REG(hw, E1000_RDBAH(0));
|
|
regs_buff[11] = E1000_READ_REG(hw, E1000_TCTL);
|
|
regs_buff[12] = E1000_READ_REG(hw, E1000_TDBAL(0));
|
|
regs_buff[13] = E1000_READ_REG(hw, E1000_TDBAH(0));
|
|
regs_buff[14] = E1000_READ_REG(hw, E1000_TDLEN(0));
|
|
regs_buff[15] = E1000_READ_REG(hw, E1000_TDH(0));
|
|
regs_buff[16] = E1000_READ_REG(hw, E1000_TDT(0));
|
|
regs_buff[17] = E1000_READ_REG(hw, E1000_TXDCTL(0));
|
|
regs_buff[18] = E1000_READ_REG(hw, E1000_TDFH);
|
|
regs_buff[19] = E1000_READ_REG(hw, E1000_TDFT);
|
|
regs_buff[20] = E1000_READ_REG(hw, E1000_TDFHS);
|
|
regs_buff[21] = E1000_READ_REG(hw, E1000_TDFPC);
|
|
|
|
sbuf_printf(sb, "General Registers\n");
|
|
sbuf_printf(sb, "\tCTRL\t %08x\n", regs_buff[0]);
|
|
sbuf_printf(sb, "\tSTATUS\t %08x\n", regs_buff[1]);
|
|
sbuf_printf(sb, "\tCTRL_EXIT\t %08x\n\n", regs_buff[2]);
|
|
|
|
sbuf_printf(sb, "Interrupt Registers\n");
|
|
sbuf_printf(sb, "\tICR\t %08x\n\n", regs_buff[3]);
|
|
|
|
sbuf_printf(sb, "RX Registers\n");
|
|
sbuf_printf(sb, "\tRCTL\t %08x\n", regs_buff[4]);
|
|
sbuf_printf(sb, "\tRDLEN\t %08x\n", regs_buff[5]);
|
|
sbuf_printf(sb, "\tRDH\t %08x\n", regs_buff[6]);
|
|
sbuf_printf(sb, "\tRDT\t %08x\n", regs_buff[7]);
|
|
sbuf_printf(sb, "\tRXDCTL\t %08x\n", regs_buff[8]);
|
|
sbuf_printf(sb, "\tRDBAL\t %08x\n", regs_buff[9]);
|
|
sbuf_printf(sb, "\tRDBAH\t %08x\n\n", regs_buff[10]);
|
|
|
|
sbuf_printf(sb, "TX Registers\n");
|
|
sbuf_printf(sb, "\tTCTL\t %08x\n", regs_buff[11]);
|
|
sbuf_printf(sb, "\tTDBAL\t %08x\n", regs_buff[12]);
|
|
sbuf_printf(sb, "\tTDBAH\t %08x\n", regs_buff[13]);
|
|
sbuf_printf(sb, "\tTDLEN\t %08x\n", regs_buff[14]);
|
|
sbuf_printf(sb, "\tTDH\t %08x\n", regs_buff[15]);
|
|
sbuf_printf(sb, "\tTDT\t %08x\n", regs_buff[16]);
|
|
sbuf_printf(sb, "\tTXDCTL\t %08x\n", regs_buff[17]);
|
|
sbuf_printf(sb, "\tTDFH\t %08x\n", regs_buff[18]);
|
|
sbuf_printf(sb, "\tTDFT\t %08x\n", regs_buff[19]);
|
|
sbuf_printf(sb, "\tTDFHS\t %08x\n", regs_buff[20]);
|
|
sbuf_printf(sb, "\tTDFPC\t %08x\n\n", regs_buff[21]);
|
|
|
|
#ifdef DUMP_DESCS
|
|
{
|
|
if_softc_ctx_t scctx = adapter->shared;
|
|
struct rx_ring *rxr = &rx_que->rxr;
|
|
struct tx_ring *txr = &tx_que->txr;
|
|
int ntxd = scctx->isc_ntxd[0];
|
|
int nrxd = scctx->isc_nrxd[0];
|
|
int j;
|
|
|
|
for (j = 0; j < nrxd; j++) {
|
|
u32 staterr = le32toh(rxr->rx_base[j].wb.upper.status_error);
|
|
u32 length = le32toh(rxr->rx_base[j].wb.upper.length);
|
|
sbuf_printf(sb, "\tReceive Descriptor Address %d: %08" PRIx64 " Error:%d Length:%d\n", j, rxr->rx_base[j].read.buffer_addr, staterr, length);
|
|
}
|
|
|
|
for (j = 0; j < min(ntxd, 256); j++) {
|
|
struct em_txbuffer *buf = &txr->tx_buffers[j];
|
|
unsigned int *ptr = (unsigned int *)&txr->tx_base[j];
|
|
|
|
sbuf_printf(sb, "\tTXD[%03d] [0]: %08x [1]: %08x [2]: %08x [3]: %08x eop: %d DD=%d\n",
|
|
j, ptr[0], ptr[1], ptr[2], ptr[3], buf->eop,
|
|
buf->eop != -1 ? txr->tx_base[buf->eop].upper.fields.status & E1000_TXD_STAT_DD : 0);
|
|
|
|
}
|
|
}
|
|
#endif
|
|
|
|
rc = sbuf_finish(sb);
|
|
sbuf_delete(sb);
|
|
return(rc);
|
|
}
|
|
|
|
static void *
|
|
em_register(device_t dev)
|
|
{
|
|
return (em_sctx);
|
|
}
|
|
|
|
static void *
|
|
igb_register(device_t dev)
|
|
{
|
|
return (igb_sctx);
|
|
}
|
|
|
|
static void
|
|
em_init_tx_ring(struct em_tx_queue *que)
|
|
{
|
|
struct adapter *sc = que->adapter;
|
|
if_softc_ctx_t scctx = sc->shared;
|
|
struct tx_ring *txr = &que->txr;
|
|
struct em_txbuffer *tx_buffer;
|
|
|
|
tx_buffer = txr->tx_buffers;
|
|
for (int i = 0; i < scctx->isc_ntxd[0]; i++, tx_buffer++) {
|
|
tx_buffer->eop = -1;
|
|
}
|
|
}
|
|
|
|
static int
|
|
em_set_num_queues(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
int maxqueues;
|
|
|
|
/* Sanity check based on HW */
|
|
switch (adapter->hw.mac.type) {
|
|
case e1000_82576:
|
|
case e1000_82580:
|
|
case e1000_i350:
|
|
case e1000_i354:
|
|
maxqueues = 8;
|
|
break;
|
|
case e1000_i210:
|
|
case e1000_82575:
|
|
maxqueues = 4;
|
|
break;
|
|
case e1000_i211:
|
|
case e1000_82574:
|
|
maxqueues = 2;
|
|
break;
|
|
default:
|
|
maxqueues = 1;
|
|
break;
|
|
}
|
|
|
|
return (maxqueues);
|
|
}
|
|
|
|
|
|
#define EM_CAPS \
|
|
IFCAP_TSO4 | IFCAP_TXCSUM | IFCAP_LRO | IFCAP_RXCSUM | IFCAP_VLAN_HWFILTER | IFCAP_WOL_MAGIC | \
|
|
IFCAP_WOL_MCAST | IFCAP_WOL | IFCAP_VLAN_HWTSO | IFCAP_HWCSUM | IFCAP_VLAN_HWTAGGING | \
|
|
IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWTSO | IFCAP_VLAN_MTU;
|
|
|
|
#define IGB_CAPS \
|
|
IFCAP_TSO4 | IFCAP_TXCSUM | IFCAP_LRO | IFCAP_RXCSUM | IFCAP_VLAN_HWFILTER | IFCAP_WOL_MAGIC | \
|
|
IFCAP_WOL_MCAST | IFCAP_WOL | IFCAP_VLAN_HWTSO | IFCAP_HWCSUM | IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWCSUM | \
|
|
IFCAP_VLAN_HWTSO | IFCAP_VLAN_MTU | IFCAP_TXCSUM_IPV6 | IFCAP_HWCSUM_IPV6 | IFCAP_JUMBO_MTU;
|
|
|
|
/*********************************************************************
|
|
* Device initialization routine
|
|
*
|
|
* The attach entry point is called when the driver is being loaded.
|
|
* This routine identifies the type of hardware, allocates all resources
|
|
* and initializes the hardware.
|
|
*
|
|
* return 0 on success, positive on failure
|
|
*********************************************************************/
|
|
|
|
static int
|
|
em_if_attach_pre(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter;
|
|
if_softc_ctx_t scctx;
|
|
device_t dev;
|
|
struct e1000_hw *hw;
|
|
int error = 0;
|
|
|
|
INIT_DEBUGOUT("em_if_attach_pre begin");
|
|
dev = iflib_get_dev(ctx);
|
|
adapter = iflib_get_softc(ctx);
|
|
|
|
if (resource_disabled("em", device_get_unit(dev))) {
|
|
device_printf(dev, "Disabled by device hint\n");
|
|
return (ENXIO);
|
|
}
|
|
|
|
adapter->ctx = ctx;
|
|
adapter->dev = adapter->osdep.dev = dev;
|
|
scctx = adapter->shared = iflib_get_softc_ctx(ctx);
|
|
adapter->media = iflib_get_media(ctx);
|
|
hw = &adapter->hw;
|
|
|
|
adapter->tx_process_limit = scctx->isc_ntxd[0];
|
|
|
|
/* SYSCTL stuff */
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
OID_AUTO, "nvm", CTLTYPE_INT|CTLFLAG_RW, adapter, 0,
|
|
em_sysctl_nvm_info, "I", "NVM Information");
|
|
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
OID_AUTO, "debug", CTLTYPE_INT|CTLFLAG_RW, adapter, 0,
|
|
em_sysctl_debug_info, "I", "Debug Information");
|
|
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
OID_AUTO, "fc", CTLTYPE_INT|CTLFLAG_RW, adapter, 0,
|
|
em_set_flowcntl, "I", "Flow Control");
|
|
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
OID_AUTO, "reg_dump", CTLTYPE_STRING | CTLFLAG_RD, adapter, 0,
|
|
em_get_regs, "A", "Dump Registers");
|
|
|
|
/* Determine hardware and mac info */
|
|
em_identify_hardware(ctx);
|
|
|
|
/* Set isc_msix_bar */
|
|
scctx->isc_msix_bar = PCIR_BAR(EM_MSIX_BAR);
|
|
scctx->isc_tx_nsegments = EM_MAX_SCATTER;
|
|
scctx->isc_tx_tso_segments_max = scctx->isc_tx_nsegments;
|
|
scctx->isc_tx_tso_size_max = EM_TSO_SIZE;
|
|
scctx->isc_tx_tso_segsize_max = EM_TSO_SEG_SIZE;
|
|
scctx->isc_nrxqsets_max = scctx->isc_ntxqsets_max = em_set_num_queues(ctx);
|
|
device_printf(dev, "attach_pre capping queues at %d\n", scctx->isc_ntxqsets_max);
|
|
|
|
scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_IP_TSO;
|
|
|
|
|
|
if (adapter->hw.mac.type >= igb_mac_min) {
|
|
int try_second_bar;
|
|
|
|
scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] * sizeof(union e1000_adv_tx_desc), EM_DBA_ALIGN);
|
|
scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] * sizeof(union e1000_adv_rx_desc), EM_DBA_ALIGN);
|
|
scctx->isc_txrx = &igb_txrx;
|
|
scctx->isc_capenable = IGB_CAPS;
|
|
scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_TSO | CSUM_IP6_TCP \
|
|
| CSUM_IP6_UDP | CSUM_IP6_TCP;
|
|
if (adapter->hw.mac.type != e1000_82575)
|
|
scctx->isc_tx_csum_flags |= CSUM_SCTP | CSUM_IP6_SCTP;
|
|
|
|
/*
|
|
** Some new devices, as with ixgbe, now may
|
|
** use a different BAR, so we need to keep
|
|
** track of which is used.
|
|
*/
|
|
try_second_bar = pci_read_config(dev, scctx->isc_msix_bar, 4);
|
|
if (try_second_bar == 0)
|
|
scctx->isc_msix_bar += 4;
|
|
|
|
} else if (adapter->hw.mac.type >= em_mac_min) {
|
|
scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0]* sizeof(struct e1000_tx_desc), EM_DBA_ALIGN);
|
|
scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] * sizeof(union e1000_rx_desc_extended), EM_DBA_ALIGN);
|
|
scctx->isc_txrx = &em_txrx;
|
|
scctx->isc_capenable = EM_CAPS;
|
|
scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_IP_TSO;
|
|
} else {
|
|
scctx->isc_txqsizes[0] = roundup2((scctx->isc_ntxd[0] + 1) * sizeof(struct e1000_tx_desc), EM_DBA_ALIGN);
|
|
scctx->isc_rxqsizes[0] = roundup2((scctx->isc_nrxd[0] + 1) * sizeof(struct e1000_rx_desc), EM_DBA_ALIGN);
|
|
scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_IP_TSO;
|
|
scctx->isc_txrx = &lem_txrx;
|
|
scctx->isc_capenable = EM_CAPS;
|
|
if (adapter->hw.mac.type < e1000_82543)
|
|
scctx->isc_capenable &= ~(IFCAP_HWCSUM|IFCAP_VLAN_HWCSUM);
|
|
scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_IP_TSO;
|
|
scctx->isc_msix_bar = 0;
|
|
}
|
|
|
|
/* Setup PCI resources */
|
|
if (em_allocate_pci_resources(ctx)) {
|
|
device_printf(dev, "Allocation of PCI resources failed\n");
|
|
error = ENXIO;
|
|
goto err_pci;
|
|
}
|
|
|
|
/*
|
|
** For ICH8 and family we need to
|
|
** map the flash memory, and this
|
|
** must happen after the MAC is
|
|
** identified
|
|
*/
|
|
if ((hw->mac.type == e1000_ich8lan) ||
|
|
(hw->mac.type == e1000_ich9lan) ||
|
|
(hw->mac.type == e1000_ich10lan) ||
|
|
(hw->mac.type == e1000_pchlan) ||
|
|
(hw->mac.type == e1000_pch2lan) ||
|
|
(hw->mac.type == e1000_pch_lpt)) {
|
|
int rid = EM_BAR_TYPE_FLASH;
|
|
adapter->flash = bus_alloc_resource_any(dev,
|
|
SYS_RES_MEMORY, &rid, RF_ACTIVE);
|
|
if (adapter->flash == NULL) {
|
|
device_printf(dev, "Mapping of Flash failed\n");
|
|
error = ENXIO;
|
|
goto err_pci;
|
|
}
|
|
/* This is used in the shared code */
|
|
hw->flash_address = (u8 *)adapter->flash;
|
|
adapter->osdep.flash_bus_space_tag =
|
|
rman_get_bustag(adapter->flash);
|
|
adapter->osdep.flash_bus_space_handle =
|
|
rman_get_bushandle(adapter->flash);
|
|
}
|
|
/*
|
|
** In the new SPT device flash is not a
|
|
** separate BAR, rather it is also in BAR0,
|
|
** so use the same tag and an offset handle for the
|
|
** FLASH read/write macros in the shared code.
|
|
*/
|
|
else if (hw->mac.type == e1000_pch_spt) {
|
|
adapter->osdep.flash_bus_space_tag =
|
|
adapter->osdep.mem_bus_space_tag;
|
|
adapter->osdep.flash_bus_space_handle =
|
|
adapter->osdep.mem_bus_space_handle
|
|
+ E1000_FLASH_BASE_ADDR;
|
|
}
|
|
|
|
/* Do Shared Code initialization */
|
|
error = e1000_setup_init_funcs(hw, TRUE);
|
|
if (error) {
|
|
device_printf(dev, "Setup of Shared code failed, error %d\n",
|
|
error);
|
|
error = ENXIO;
|
|
goto err_pci;
|
|
}
|
|
|
|
em_setup_msix(ctx);
|
|
e1000_get_bus_info(hw);
|
|
|
|
/* Set up some sysctls for the tunable interrupt delays */
|
|
em_add_int_delay_sysctl(adapter, "rx_int_delay",
|
|
"receive interrupt delay in usecs", &adapter->rx_int_delay,
|
|
E1000_REGISTER(hw, E1000_RDTR), em_rx_int_delay_dflt);
|
|
em_add_int_delay_sysctl(adapter, "tx_int_delay",
|
|
"transmit interrupt delay in usecs", &adapter->tx_int_delay,
|
|
E1000_REGISTER(hw, E1000_TIDV), em_tx_int_delay_dflt);
|
|
em_add_int_delay_sysctl(adapter, "rx_abs_int_delay",
|
|
"receive interrupt delay limit in usecs",
|
|
&adapter->rx_abs_int_delay,
|
|
E1000_REGISTER(hw, E1000_RADV),
|
|
em_rx_abs_int_delay_dflt);
|
|
em_add_int_delay_sysctl(adapter, "tx_abs_int_delay",
|
|
"transmit interrupt delay limit in usecs",
|
|
&adapter->tx_abs_int_delay,
|
|
E1000_REGISTER(hw, E1000_TADV),
|
|
em_tx_abs_int_delay_dflt);
|
|
em_add_int_delay_sysctl(adapter, "itr",
|
|
"interrupt delay limit in usecs/4",
|
|
&adapter->tx_itr,
|
|
E1000_REGISTER(hw, E1000_ITR),
|
|
DEFAULT_ITR);
|
|
|
|
/* Sysctl for limiting the amount of work done in the taskqueue */
|
|
em_set_sysctl_value(adapter, "rx_processing_limit",
|
|
"max number of rx packets to process", &adapter->rx_process_limit,
|
|
em_rx_process_limit);
|
|
|
|
hw->mac.autoneg = DO_AUTO_NEG;
|
|
hw->phy.autoneg_wait_to_complete = FALSE;
|
|
hw->phy.autoneg_advertised = AUTONEG_ADV_DEFAULT;
|
|
|
|
if (adapter->hw.mac.type < em_mac_min) {
|
|
e1000_init_script_state_82541(&adapter->hw, TRUE);
|
|
e1000_set_tbi_compatibility_82543(&adapter->hw, TRUE);
|
|
}
|
|
/* Copper options */
|
|
if (hw->phy.media_type == e1000_media_type_copper) {
|
|
hw->phy.mdix = AUTO_ALL_MODES;
|
|
hw->phy.disable_polarity_correction = FALSE;
|
|
hw->phy.ms_type = EM_MASTER_SLAVE;
|
|
}
|
|
|
|
/*
|
|
* Set the frame limits assuming
|
|
* standard ethernet sized frames.
|
|
*/
|
|
adapter->hw.mac.max_frame_size =
|
|
ETHERMTU + ETHER_HDR_LEN + ETHERNET_FCS_SIZE;
|
|
|
|
/*
|
|
* This controls when hardware reports transmit completion
|
|
* status.
|
|
*/
|
|
hw->mac.report_tx_early = 1;
|
|
|
|
/* Allocate multicast array memory. */
|
|
adapter->mta = malloc(sizeof(u8) * ETH_ADDR_LEN *
|
|
MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_NOWAIT);
|
|
if (adapter->mta == NULL) {
|
|
device_printf(dev, "Can not allocate multicast setup array\n");
|
|
error = ENOMEM;
|
|
goto err_late;
|
|
}
|
|
|
|
/* Check SOL/IDER usage */
|
|
if (e1000_check_reset_block(hw))
|
|
device_printf(dev, "PHY reset is blocked"
|
|
" due to SOL/IDER session.\n");
|
|
|
|
/* Sysctl for setting Energy Efficient Ethernet */
|
|
hw->dev_spec.ich8lan.eee_disable = eee_setting;
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
OID_AUTO, "eee_control", CTLTYPE_INT|CTLFLAG_RW,
|
|
adapter, 0, em_sysctl_eee, "I",
|
|
"Disable Energy Efficient Ethernet");
|
|
|
|
/*
|
|
** Start from a known state, this is
|
|
** important in reading the nvm and
|
|
** mac from that.
|
|
*/
|
|
e1000_reset_hw(hw);
|
|
|
|
/* Make sure we have a good EEPROM before we read from it */
|
|
if (e1000_validate_nvm_checksum(hw) < 0) {
|
|
/*
|
|
** Some PCI-E parts fail the first check due to
|
|
** the link being in sleep state, call it again,
|
|
** if it fails a second time its a real issue.
|
|
*/
|
|
if (e1000_validate_nvm_checksum(hw) < 0) {
|
|
device_printf(dev,
|
|
"The EEPROM Checksum Is Not Valid\n");
|
|
error = EIO;
|
|
goto err_late;
|
|
}
|
|
}
|
|
|
|
/* Copy the permanent MAC address out of the EEPROM */
|
|
if (e1000_read_mac_addr(hw) < 0) {
|
|
device_printf(dev, "EEPROM read error while reading MAC"
|
|
" address\n");
|
|
error = EIO;
|
|
goto err_late;
|
|
}
|
|
|
|
if (!em_is_valid_ether_addr(hw->mac.addr)) {
|
|
device_printf(dev, "Invalid MAC address\n");
|
|
error = EIO;
|
|
goto err_late;
|
|
}
|
|
|
|
/* Disable ULP support */
|
|
e1000_disable_ulp_lpt_lp(hw, TRUE);
|
|
|
|
/*
|
|
* Get Wake-on-Lan and Management info for later use
|
|
*/
|
|
em_get_wakeup(ctx);
|
|
|
|
iflib_set_mac(ctx, hw->mac.addr);
|
|
|
|
return (0);
|
|
|
|
err_late:
|
|
em_release_hw_control(adapter);
|
|
err_pci:
|
|
em_free_pci_resources(ctx);
|
|
free(adapter->mta, M_DEVBUF);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
em_if_attach_post(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
int error = 0;
|
|
|
|
/* Setup OS specific network interface */
|
|
error = em_setup_interface(ctx);
|
|
if (error != 0) {
|
|
goto err_late;
|
|
}
|
|
|
|
em_reset(ctx);
|
|
|
|
/* Initialize statistics */
|
|
em_update_stats_counters(adapter);
|
|
hw->mac.get_link_status = 1;
|
|
em_if_update_admin_status(ctx);
|
|
em_add_hw_stats(adapter);
|
|
|
|
/* Non-AMT based hardware can now take control from firmware */
|
|
if (adapter->has_manage && !adapter->has_amt)
|
|
em_get_hw_control(adapter);
|
|
|
|
INIT_DEBUGOUT("em_if_attach_post: end");
|
|
|
|
return (error);
|
|
|
|
err_late:
|
|
em_release_hw_control(adapter);
|
|
em_free_pci_resources(ctx);
|
|
em_if_queues_free(ctx);
|
|
free(adapter->mta, M_DEVBUF);
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* Device removal routine
|
|
*
|
|
* The detach entry point is called when the driver is being removed.
|
|
* This routine stops the adapter and deallocates all the resources
|
|
* that were allocated for driver operation.
|
|
*
|
|
* return 0 on success, positive on failure
|
|
*********************************************************************/
|
|
|
|
static int
|
|
em_if_detach(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
|
|
INIT_DEBUGOUT("em_detach: begin");
|
|
|
|
e1000_phy_hw_reset(&adapter->hw);
|
|
|
|
em_release_manageability(adapter);
|
|
em_release_hw_control(adapter);
|
|
em_free_pci_resources(ctx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Shutdown entry point
|
|
*
|
|
**********************************************************************/
|
|
|
|
static int
|
|
em_if_shutdown(if_ctx_t ctx)
|
|
{
|
|
return em_if_suspend(ctx);
|
|
}
|
|
|
|
/*
|
|
* Suspend/resume device methods.
|
|
*/
|
|
static int
|
|
em_if_suspend(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
|
|
em_release_manageability(adapter);
|
|
em_release_hw_control(adapter);
|
|
em_enable_wakeup(ctx);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
em_if_resume(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
|
|
if (adapter->hw.mac.type == e1000_pch2lan)
|
|
e1000_resume_workarounds_pchlan(&adapter->hw);
|
|
em_if_init(ctx);
|
|
em_init_manageability(adapter);
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
em_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
|
|
{
|
|
int max_frame_size;
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
|
|
IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFMTU (Set Interface MTU)");
|
|
|
|
switch (adapter->hw.mac.type) {
|
|
case e1000_82571:
|
|
case e1000_82572:
|
|
case e1000_ich9lan:
|
|
case e1000_ich10lan:
|
|
case e1000_pch2lan:
|
|
case e1000_pch_lpt:
|
|
case e1000_pch_spt:
|
|
case e1000_82574:
|
|
case e1000_82583:
|
|
case e1000_80003es2lan: /* 9K Jumbo Frame size */
|
|
max_frame_size = 9234;
|
|
break;
|
|
case e1000_pchlan:
|
|
max_frame_size = 4096;
|
|
break;
|
|
/* Adapters that do not support jumbo frames */
|
|
case e1000_ich8lan:
|
|
max_frame_size = ETHER_MAX_LEN;
|
|
break;
|
|
default:
|
|
max_frame_size = MAX_JUMBO_FRAME_SIZE;
|
|
}
|
|
if (mtu > max_frame_size - ETHER_HDR_LEN - ETHER_CRC_LEN) {
|
|
return (EINVAL);
|
|
}
|
|
|
|
adapter->hw.mac.max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
|
|
return (0);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* Init entry point
|
|
*
|
|
* This routine is used in two ways. It is used by the stack as
|
|
* init entry point in network interface structure. It is also used
|
|
* by the driver as a hw/sw initialization routine to get to a
|
|
* consistent state.
|
|
*
|
|
* return 0 on success, positive on failure
|
|
**********************************************************************/
|
|
|
|
static void
|
|
em_if_init(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
|
|
INIT_DEBUGOUT("em_if_init: begin");
|
|
|
|
/* Get the latest mac address, User can use a LAA */
|
|
bcopy(if_getlladdr(ifp), adapter->hw.mac.addr,
|
|
ETHER_ADDR_LEN);
|
|
|
|
/* Put the address into the Receive Address Array */
|
|
e1000_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
|
|
|
|
/*
|
|
* With the 82571 adapter, RAR[0] may be overwritten
|
|
* when the other port is reset, we make a duplicate
|
|
* in RAR[14] for that eventuality, this assures
|
|
* the interface continues to function.
|
|
*/
|
|
if (adapter->hw.mac.type == e1000_82571) {
|
|
e1000_set_laa_state_82571(&adapter->hw, TRUE);
|
|
e1000_rar_set(&adapter->hw, adapter->hw.mac.addr,
|
|
E1000_RAR_ENTRIES - 1);
|
|
}
|
|
|
|
/* Initialize the hardware */
|
|
em_reset(ctx);
|
|
em_if_update_admin_status(ctx);
|
|
|
|
/* Setup VLAN support, basic and offload if available */
|
|
E1000_WRITE_REG(&adapter->hw, E1000_VET, ETHERTYPE_VLAN);
|
|
|
|
/* Clear bad data from Rx FIFOs */
|
|
if (adapter->hw.mac.type >= igb_mac_min)
|
|
e1000_rx_fifo_flush_82575(&adapter->hw);
|
|
|
|
/* Configure for OS presence */
|
|
em_init_manageability(adapter);
|
|
|
|
/* Prepare transmit descriptors and buffers */
|
|
em_initialize_transmit_unit(ctx);
|
|
|
|
/* Setup Multicast table */
|
|
em_if_multi_set(ctx);
|
|
|
|
/*
|
|
** Figure out the desired mbuf
|
|
** pool for doing jumbos
|
|
*/
|
|
if (adapter->hw.mac.max_frame_size <= 2048)
|
|
adapter->rx_mbuf_sz = MCLBYTES;
|
|
else if (adapter->hw.mac.max_frame_size <= 4096)
|
|
adapter->rx_mbuf_sz = MJUMPAGESIZE;
|
|
else
|
|
adapter->rx_mbuf_sz = MJUM9BYTES;
|
|
|
|
em_initialize_receive_unit(ctx);
|
|
|
|
/* Use real VLAN Filter support? */
|
|
if (if_getcapenable(ifp) & IFCAP_VLAN_HWTAGGING) {
|
|
if (if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER)
|
|
/* Use real VLAN Filter support */
|
|
em_setup_vlan_hw_support(adapter);
|
|
else {
|
|
u32 ctrl;
|
|
ctrl = E1000_READ_REG(&adapter->hw, E1000_CTRL);
|
|
ctrl |= E1000_CTRL_VME;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_CTRL, ctrl);
|
|
}
|
|
}
|
|
|
|
/* Don't lose promiscuous settings */
|
|
em_if_set_promisc(ctx, IFF_PROMISC);
|
|
e1000_clear_hw_cntrs_base_generic(&adapter->hw);
|
|
|
|
/* MSI/X configuration for 82574 */
|
|
if (adapter->hw.mac.type == e1000_82574) {
|
|
int tmp = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
|
|
|
|
tmp |= E1000_CTRL_EXT_PBA_CLR;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT, tmp);
|
|
/* Set the IVAR - interrupt vector routing. */
|
|
E1000_WRITE_REG(&adapter->hw, E1000_IVAR, adapter->ivars);
|
|
} else if (adapter->intr_type == IFLIB_INTR_MSIX) /* Set up queue routing */
|
|
igb_configure_queues(adapter);
|
|
|
|
/* this clears any pending interrupts */
|
|
E1000_READ_REG(&adapter->hw, E1000_ICR);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_ICS, E1000_ICS_LSC);
|
|
|
|
/* AMT based hardware can now take control from firmware */
|
|
if (adapter->has_manage && adapter->has_amt)
|
|
em_get_hw_control(adapter);
|
|
|
|
/* Set Energy Efficient Ethernet */
|
|
if (adapter->hw.mac.type >= igb_mac_min &&
|
|
adapter->hw.phy.media_type == e1000_media_type_copper) {
|
|
if (adapter->hw.mac.type == e1000_i354)
|
|
e1000_set_eee_i354(&adapter->hw, TRUE, TRUE);
|
|
else
|
|
e1000_set_eee_i350(&adapter->hw, TRUE, TRUE);
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Fast Legacy/MSI Combined Interrupt Service routine
|
|
*
|
|
*********************************************************************/
|
|
int
|
|
em_intr(void *arg)
|
|
{
|
|
struct adapter *adapter = arg;
|
|
if_ctx_t ctx = adapter->ctx;
|
|
u32 reg_icr;
|
|
|
|
reg_icr = E1000_READ_REG(&adapter->hw, E1000_ICR);
|
|
|
|
if (adapter->intr_type != IFLIB_INTR_LEGACY)
|
|
goto skip_stray;
|
|
/* Hot eject? */
|
|
if (reg_icr == 0xffffffff)
|
|
return FILTER_STRAY;
|
|
|
|
/* Definitely not our interrupt. */
|
|
if (reg_icr == 0x0)
|
|
return FILTER_STRAY;
|
|
|
|
/*
|
|
* Starting with the 82571 chip, bit 31 should be used to
|
|
* determine whether the interrupt belongs to us.
|
|
*/
|
|
if (adapter->hw.mac.type >= e1000_82571 &&
|
|
(reg_icr & E1000_ICR_INT_ASSERTED) == 0)
|
|
return FILTER_STRAY;
|
|
|
|
skip_stray:
|
|
/* Link status change */
|
|
if (reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
|
|
adapter->hw.mac.get_link_status = 1;
|
|
iflib_admin_intr_deferred(ctx);
|
|
}
|
|
|
|
if (reg_icr & E1000_ICR_RXO)
|
|
adapter->rx_overruns++;
|
|
|
|
return (FILTER_SCHEDULE_THREAD);
|
|
}
|
|
|
|
static void
|
|
igb_enable_queue(struct adapter *adapter, struct em_rx_queue *rxq)
|
|
{
|
|
E1000_WRITE_REG(&adapter->hw, E1000_EIMS, rxq->eims);
|
|
}
|
|
|
|
static void
|
|
em_enable_queue(struct adapter *adapter, struct em_rx_queue *rxq)
|
|
{
|
|
E1000_WRITE_REG(&adapter->hw, E1000_IMS, rxq->eims);
|
|
}
|
|
|
|
static int
|
|
em_if_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct em_rx_queue *rxq = &adapter->rx_queues[rxqid];
|
|
|
|
if (adapter->hw.mac.type >= igb_mac_min)
|
|
igb_enable_queue(adapter, rxq);
|
|
else
|
|
em_enable_queue(adapter, rxq);
|
|
return (0);
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* MSIX RX Interrupt Service routine
|
|
*
|
|
**********************************************************************/
|
|
static int
|
|
em_msix_que(void *arg)
|
|
{
|
|
struct em_rx_queue *que = arg;
|
|
|
|
++que->irqs;
|
|
|
|
return (FILTER_SCHEDULE_THREAD);
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* MSIX Link Fast Interrupt Service routine
|
|
*
|
|
**********************************************************************/
|
|
static int
|
|
em_msix_link(void *arg)
|
|
{
|
|
struct adapter *adapter = arg;
|
|
u32 reg_icr;
|
|
|
|
++adapter->link_irq;
|
|
MPASS(adapter->hw.back != NULL);
|
|
reg_icr = E1000_READ_REG(&adapter->hw, E1000_ICR);
|
|
|
|
if (reg_icr & E1000_ICR_RXO)
|
|
adapter->rx_overruns++;
|
|
|
|
if (reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
|
|
em_handle_link(adapter->ctx);
|
|
} else {
|
|
E1000_WRITE_REG(&adapter->hw, E1000_IMS,
|
|
EM_MSIX_LINK | E1000_IMS_LSC);
|
|
if (adapter->hw.mac.type >= igb_mac_min)
|
|
E1000_WRITE_REG(&adapter->hw, E1000_EIMS, adapter->link_mask);
|
|
|
|
}
|
|
|
|
/*
|
|
** Because we must read the ICR for this interrupt
|
|
** it may clear other causes using autoclear, for
|
|
** this reason we simply create a soft interrupt
|
|
** for all these vectors.
|
|
*/
|
|
if (reg_icr && adapter->hw.mac.type < igb_mac_min) {
|
|
E1000_WRITE_REG(&adapter->hw,
|
|
E1000_ICS, adapter->ims);
|
|
}
|
|
|
|
return (FILTER_HANDLED);
|
|
}
|
|
|
|
static void
|
|
em_handle_link(void *context)
|
|
{
|
|
if_ctx_t ctx = context;
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
|
|
adapter->hw.mac.get_link_status = 1;
|
|
iflib_admin_intr_deferred(ctx);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Media Ioctl callback
|
|
*
|
|
* This routine is called whenever the user queries the status of
|
|
* the interface using ifconfig.
|
|
*
|
|
**********************************************************************/
|
|
static void
|
|
em_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
u_char fiber_type = IFM_1000_SX;
|
|
|
|
INIT_DEBUGOUT("em_if_media_status: begin");
|
|
|
|
iflib_admin_intr_deferred(ctx);
|
|
|
|
ifmr->ifm_status = IFM_AVALID;
|
|
ifmr->ifm_active = IFM_ETHER;
|
|
|
|
if (!adapter->link_active) {
|
|
return;
|
|
}
|
|
|
|
ifmr->ifm_status |= IFM_ACTIVE;
|
|
|
|
if ((adapter->hw.phy.media_type == e1000_media_type_fiber) ||
|
|
(adapter->hw.phy.media_type == e1000_media_type_internal_serdes)) {
|
|
if (adapter->hw.mac.type == e1000_82545)
|
|
fiber_type = IFM_1000_LX;
|
|
ifmr->ifm_active |= fiber_type | IFM_FDX;
|
|
} else {
|
|
switch (adapter->link_speed) {
|
|
case 10:
|
|
ifmr->ifm_active |= IFM_10_T;
|
|
break;
|
|
case 100:
|
|
ifmr->ifm_active |= IFM_100_TX;
|
|
break;
|
|
case 1000:
|
|
ifmr->ifm_active |= IFM_1000_T;
|
|
break;
|
|
}
|
|
if (adapter->link_duplex == FULL_DUPLEX)
|
|
ifmr->ifm_active |= IFM_FDX;
|
|
else
|
|
ifmr->ifm_active |= IFM_HDX;
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Media Ioctl callback
|
|
*
|
|
* This routine is called when the user changes speed/duplex using
|
|
* media/mediopt option with ifconfig.
|
|
*
|
|
**********************************************************************/
|
|
static int
|
|
em_if_media_change(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct ifmedia *ifm = iflib_get_media(ctx);
|
|
|
|
INIT_DEBUGOUT("em_if_media_change: begin");
|
|
|
|
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
|
|
return (EINVAL);
|
|
|
|
switch (IFM_SUBTYPE(ifm->ifm_media)) {
|
|
case IFM_AUTO:
|
|
adapter->hw.mac.autoneg = DO_AUTO_NEG;
|
|
adapter->hw.phy.autoneg_advertised = AUTONEG_ADV_DEFAULT;
|
|
break;
|
|
case IFM_1000_LX:
|
|
case IFM_1000_SX:
|
|
case IFM_1000_T:
|
|
adapter->hw.mac.autoneg = DO_AUTO_NEG;
|
|
adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
|
|
break;
|
|
case IFM_100_TX:
|
|
adapter->hw.mac.autoneg = FALSE;
|
|
adapter->hw.phy.autoneg_advertised = 0;
|
|
if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX)
|
|
adapter->hw.mac.forced_speed_duplex = ADVERTISE_100_FULL;
|
|
else
|
|
adapter->hw.mac.forced_speed_duplex = ADVERTISE_100_HALF;
|
|
break;
|
|
case IFM_10_T:
|
|
adapter->hw.mac.autoneg = FALSE;
|
|
adapter->hw.phy.autoneg_advertised = 0;
|
|
if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX)
|
|
adapter->hw.mac.forced_speed_duplex = ADVERTISE_10_FULL;
|
|
else
|
|
adapter->hw.mac.forced_speed_duplex = ADVERTISE_10_HALF;
|
|
break;
|
|
default:
|
|
device_printf(adapter->dev, "Unsupported media type\n");
|
|
}
|
|
|
|
em_if_init(ctx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
em_if_set_promisc(if_ctx_t ctx, int flags)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
u32 reg_rctl;
|
|
|
|
em_disable_promisc(ctx);
|
|
|
|
reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
|
|
|
|
if (flags & IFF_PROMISC) {
|
|
reg_rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
|
|
/* Turn this on if you want to see bad packets */
|
|
if (em_debug_sbp)
|
|
reg_rctl |= E1000_RCTL_SBP;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
|
|
} else if (flags & IFF_ALLMULTI) {
|
|
reg_rctl |= E1000_RCTL_MPE;
|
|
reg_rctl &= ~E1000_RCTL_UPE;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
em_disable_promisc(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
u32 reg_rctl;
|
|
int mcnt = 0;
|
|
|
|
reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
|
|
reg_rctl &= (~E1000_RCTL_UPE);
|
|
if (if_getflags(ifp) & IFF_ALLMULTI)
|
|
mcnt = MAX_NUM_MULTICAST_ADDRESSES;
|
|
else
|
|
mcnt = if_multiaddr_count(ifp, MAX_NUM_MULTICAST_ADDRESSES);
|
|
/* Don't disable if in MAX groups */
|
|
if (mcnt < MAX_NUM_MULTICAST_ADDRESSES)
|
|
reg_rctl &= (~E1000_RCTL_MPE);
|
|
reg_rctl &= (~E1000_RCTL_SBP);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* Multicast Update
|
|
*
|
|
* This routine is called whenever multicast address list is updated.
|
|
*
|
|
**********************************************************************/
|
|
|
|
static void
|
|
em_if_multi_set(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
u32 reg_rctl = 0;
|
|
u8 *mta; /* Multicast array memory */
|
|
int mcnt = 0;
|
|
|
|
IOCTL_DEBUGOUT("em_set_multi: begin");
|
|
|
|
mta = adapter->mta;
|
|
bzero(mta, sizeof(u8) * ETH_ADDR_LEN * MAX_NUM_MULTICAST_ADDRESSES);
|
|
|
|
if (adapter->hw.mac.type == e1000_82542 &&
|
|
adapter->hw.revision_id == E1000_REVISION_2) {
|
|
reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
|
|
if (adapter->hw.bus.pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
|
|
e1000_pci_clear_mwi(&adapter->hw);
|
|
reg_rctl |= E1000_RCTL_RST;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
|
|
msec_delay(5);
|
|
}
|
|
|
|
if_multiaddr_array(ifp, mta, &mcnt, MAX_NUM_MULTICAST_ADDRESSES);
|
|
|
|
if (mcnt >= MAX_NUM_MULTICAST_ADDRESSES) {
|
|
reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
|
|
reg_rctl |= E1000_RCTL_MPE;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
|
|
} else
|
|
e1000_update_mc_addr_list(&adapter->hw, mta, mcnt);
|
|
|
|
if (adapter->hw.mac.type == e1000_82542 &&
|
|
adapter->hw.revision_id == E1000_REVISION_2) {
|
|
reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
|
|
reg_rctl &= ~E1000_RCTL_RST;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
|
|
msec_delay(5);
|
|
if (adapter->hw.bus.pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
|
|
e1000_pci_set_mwi(&adapter->hw);
|
|
}
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* Timer routine
|
|
*
|
|
* This routine checks for link status and updates statistics.
|
|
*
|
|
**********************************************************************/
|
|
|
|
static void
|
|
em_if_timer(if_ctx_t ctx, uint16_t qid)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct em_rx_queue *que;
|
|
int i;
|
|
int trigger = 0;
|
|
|
|
em_if_update_admin_status(ctx);
|
|
em_update_stats_counters(adapter);
|
|
|
|
/* Reset LAA into RAR[0] on 82571 */
|
|
if ((adapter->hw.mac.type == e1000_82571) &&
|
|
e1000_get_laa_state_82571(&adapter->hw))
|
|
e1000_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
|
|
|
|
if (adapter->hw.mac.type < em_mac_min)
|
|
lem_smartspeed(adapter);
|
|
|
|
/* Mask to use in the irq trigger */
|
|
if (adapter->intr_type == IFLIB_INTR_MSIX) {
|
|
for (i = 0, que = adapter->rx_queues; i < adapter->rx_num_queues; i++, que++)
|
|
trigger |= que->eims;
|
|
} else {
|
|
trigger = E1000_ICS_RXDMT0;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
em_if_update_admin_status(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
device_t dev = iflib_get_dev(ctx);
|
|
u32 link_check = 0;
|
|
|
|
/* Get the cached link value or read phy for real */
|
|
switch (hw->phy.media_type) {
|
|
case e1000_media_type_copper:
|
|
if (hw->mac.get_link_status) {
|
|
if (hw->mac.type == e1000_pch_spt)
|
|
msec_delay(50);
|
|
/* Do the work to read phy */
|
|
e1000_check_for_link(hw);
|
|
link_check = !hw->mac.get_link_status;
|
|
if (link_check) /* ESB2 fix */
|
|
e1000_cfg_on_link_up(hw);
|
|
} else {
|
|
link_check = TRUE;
|
|
}
|
|
break;
|
|
case e1000_media_type_fiber:
|
|
e1000_check_for_link(hw);
|
|
link_check = (E1000_READ_REG(hw, E1000_STATUS) &
|
|
E1000_STATUS_LU);
|
|
break;
|
|
case e1000_media_type_internal_serdes:
|
|
e1000_check_for_link(hw);
|
|
link_check = adapter->hw.mac.serdes_has_link;
|
|
break;
|
|
default:
|
|
case e1000_media_type_unknown:
|
|
break;
|
|
}
|
|
|
|
/* Now check for a transition */
|
|
if (link_check && (adapter->link_active == 0)) {
|
|
e1000_get_speed_and_duplex(hw, &adapter->link_speed,
|
|
&adapter->link_duplex);
|
|
/* Check if we must disable SPEED_MODE bit on PCI-E */
|
|
if ((adapter->link_speed != SPEED_1000) &&
|
|
((hw->mac.type == e1000_82571) ||
|
|
(hw->mac.type == e1000_82572))) {
|
|
int tarc0;
|
|
tarc0 = E1000_READ_REG(hw, E1000_TARC(0));
|
|
tarc0 &= ~TARC_SPEED_MODE_BIT;
|
|
E1000_WRITE_REG(hw, E1000_TARC(0), tarc0);
|
|
}
|
|
if (bootverbose)
|
|
device_printf(dev, "Link is up %d Mbps %s\n",
|
|
adapter->link_speed,
|
|
((adapter->link_duplex == FULL_DUPLEX) ?
|
|
"Full Duplex" : "Half Duplex"));
|
|
adapter->link_active = 1;
|
|
adapter->smartspeed = 0;
|
|
if_setbaudrate(ifp, adapter->link_speed * 1000000);
|
|
iflib_link_state_change(ctx, LINK_STATE_UP, ifp->if_baudrate);
|
|
printf("Link state changed to up\n");
|
|
} else if (!link_check && (adapter->link_active == 1)) {
|
|
if_setbaudrate(ifp, 0);
|
|
adapter->link_speed = 0;
|
|
adapter->link_duplex = 0;
|
|
if (bootverbose)
|
|
device_printf(dev, "Link is Down\n");
|
|
adapter->link_active = 0;
|
|
iflib_link_state_change(ctx, LINK_STATE_DOWN, ifp->if_baudrate);
|
|
printf("link state changed to down\n");
|
|
}
|
|
|
|
E1000_WRITE_REG(&adapter->hw, E1000_IMS, EM_MSIX_LINK | E1000_IMS_LSC);
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* This routine disables all traffic on the adapter by issuing a
|
|
* global reset on the MAC and deallocates TX/RX buffers.
|
|
*
|
|
* This routine should always be called with BOTH the CORE
|
|
* and TX locks.
|
|
**********************************************************************/
|
|
|
|
static void
|
|
em_if_stop(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
|
|
INIT_DEBUGOUT("em_stop: begin");
|
|
|
|
e1000_reset_hw(&adapter->hw);
|
|
if (adapter->hw.mac.type >= e1000_82544)
|
|
E1000_WRITE_REG(&adapter->hw, E1000_WUFC, 0);
|
|
|
|
e1000_led_off(&adapter->hw);
|
|
e1000_cleanup_led(&adapter->hw);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Determine hardware revision.
|
|
*
|
|
**********************************************************************/
|
|
static void
|
|
em_identify_hardware(if_ctx_t ctx)
|
|
{
|
|
device_t dev = iflib_get_dev(ctx);
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
|
|
/* Make sure our PCI config space has the necessary stuff set */
|
|
adapter->hw.bus.pci_cmd_word = pci_read_config(dev, PCIR_COMMAND, 2);
|
|
|
|
/* Save off the information about this board */
|
|
adapter->hw.vendor_id = pci_get_vendor(dev);
|
|
adapter->hw.device_id = pci_get_device(dev);
|
|
adapter->hw.revision_id = pci_read_config(dev, PCIR_REVID, 1);
|
|
adapter->hw.subsystem_vendor_id =
|
|
pci_read_config(dev, PCIR_SUBVEND_0, 2);
|
|
adapter->hw.subsystem_device_id =
|
|
pci_read_config(dev, PCIR_SUBDEV_0, 2);
|
|
|
|
/* Do Shared Code Init and Setup */
|
|
if (e1000_set_mac_type(&adapter->hw)) {
|
|
device_printf(dev, "Setup init failure\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
static int
|
|
em_allocate_pci_resources(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
device_t dev = iflib_get_dev(ctx);
|
|
int rid, val;
|
|
|
|
rid = PCIR_BAR(0);
|
|
adapter->memory = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
|
|
&rid, RF_ACTIVE);
|
|
if (adapter->memory == NULL) {
|
|
device_printf(dev, "Unable to allocate bus resource: memory\n");
|
|
return (ENXIO);
|
|
}
|
|
adapter->osdep.mem_bus_space_tag =
|
|
rman_get_bustag(adapter->memory);
|
|
adapter->osdep.mem_bus_space_handle =
|
|
rman_get_bushandle(adapter->memory);
|
|
adapter->hw.hw_addr = (u8 *)&adapter->osdep.mem_bus_space_handle;
|
|
|
|
/* Only older adapters use IO mapping */
|
|
if (adapter->hw.mac.type < em_mac_min &&
|
|
adapter->hw.mac.type > e1000_82543) {
|
|
/* Figure our where our IO BAR is ? */
|
|
for (rid = PCIR_BAR(0); rid < PCIR_CIS;) {
|
|
val = pci_read_config(dev, rid, 4);
|
|
if (EM_BAR_TYPE(val) == EM_BAR_TYPE_IO) {
|
|
adapter->io_rid = rid;
|
|
break;
|
|
}
|
|
rid += 4;
|
|
/* check for 64bit BAR */
|
|
if (EM_BAR_MEM_TYPE(val) == EM_BAR_MEM_TYPE_64BIT)
|
|
rid += 4;
|
|
}
|
|
if (rid >= PCIR_CIS) {
|
|
device_printf(dev, "Unable to locate IO BAR\n");
|
|
return (ENXIO);
|
|
}
|
|
adapter->ioport = bus_alloc_resource_any(dev,
|
|
SYS_RES_IOPORT, &adapter->io_rid, RF_ACTIVE);
|
|
if (adapter->ioport == NULL) {
|
|
device_printf(dev, "Unable to allocate bus resource: "
|
|
"ioport\n");
|
|
return (ENXIO);
|
|
}
|
|
adapter->hw.io_base = 0;
|
|
adapter->osdep.io_bus_space_tag =
|
|
rman_get_bustag(adapter->ioport);
|
|
adapter->osdep.io_bus_space_handle =
|
|
rman_get_bushandle(adapter->ioport);
|
|
}
|
|
|
|
adapter->hw.back = &adapter->osdep;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Setup the MSIX Interrupt handlers
|
|
*
|
|
**********************************************************************/
|
|
static int
|
|
em_if_msix_intr_assign(if_ctx_t ctx, int msix)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct em_rx_queue *rx_que = adapter->rx_queues;
|
|
struct em_tx_queue *tx_que = adapter->tx_queues;
|
|
int error, rid, i, vector = 0;
|
|
char buf[16];
|
|
|
|
/* First set up ring resources */
|
|
for (i = 0; i < adapter->rx_num_queues; i++, rx_que++, vector++) {
|
|
rid = vector +1;
|
|
snprintf(buf, sizeof(buf), "rxq%d", i);
|
|
error = iflib_irq_alloc_generic(ctx, &rx_que->que_irq, rid, IFLIB_INTR_RX, em_msix_que, rx_que, rx_que->me, buf);
|
|
if (error) {
|
|
device_printf(iflib_get_dev(ctx), "Failed to allocate que int %d err: %d", i, error);
|
|
adapter->rx_num_queues = i + 1;
|
|
goto fail;
|
|
}
|
|
|
|
rx_que->msix = vector;
|
|
|
|
/*
|
|
** Set the bit to enable interrupt
|
|
** in E1000_IMS -- bits 20 and 21
|
|
** are for RX0 and RX1, note this has
|
|
** NOTHING to do with the MSIX vector
|
|
*/
|
|
if (adapter->hw.mac.type == e1000_82574) {
|
|
rx_que->eims = 1 << (20 + i);
|
|
adapter->ims |= rx_que->eims;
|
|
adapter->ivars |= (8 | rx_que->msix) << (i * 4);
|
|
} else if (adapter->hw.mac.type == e1000_82575)
|
|
rx_que->eims = E1000_EICR_TX_QUEUE0 << vector;
|
|
else
|
|
rx_que->eims = 1 << vector;
|
|
}
|
|
|
|
for (i = 0; i < adapter->tx_num_queues; i++, tx_que++) {
|
|
rid = vector + 1;
|
|
snprintf(buf, sizeof(buf), "txq%d", i);
|
|
tx_que = &adapter->tx_queues[i];
|
|
iflib_softirq_alloc_generic(ctx, rid, IFLIB_INTR_TX, tx_que, tx_que->me, buf);
|
|
|
|
tx_que->msix = vector;
|
|
|
|
/*
|
|
** Set the bit to enable interrupt
|
|
** in E1000_IMS -- bits 22 and 23
|
|
** are for TX0 and TX1, note this has
|
|
** NOTHING to do with the MSIX vector
|
|
*/
|
|
if (adapter->hw.mac.type < igb_mac_min) {
|
|
tx_que->eims = 1 << (22 + i);
|
|
adapter->ims |= tx_que->eims;
|
|
adapter->ivars |= (8 | tx_que->msix) << (8 + (i * 4));
|
|
} if (adapter->hw.mac.type == e1000_82575)
|
|
tx_que->eims = E1000_EICR_TX_QUEUE0 << (i % adapter->tx_num_queues);
|
|
else
|
|
tx_que->eims = 1 << (i % adapter->tx_num_queues);
|
|
}
|
|
|
|
/* Link interrupt */
|
|
rid = vector + 1;
|
|
error = iflib_irq_alloc_generic(ctx, &adapter->irq, rid, IFLIB_INTR_ADMIN, em_msix_link, adapter, 0, "aq");
|
|
|
|
if (error) {
|
|
device_printf(iflib_get_dev(ctx), "Failed to register admin handler");
|
|
goto fail;
|
|
}
|
|
adapter->linkvec = vector;
|
|
if (adapter->hw.mac.type < igb_mac_min) {
|
|
adapter->ivars |= (8 | vector) << 16;
|
|
adapter->ivars |= 0x80000000;
|
|
}
|
|
return (0);
|
|
fail:
|
|
iflib_irq_free(ctx, &adapter->irq);
|
|
rx_que = adapter->rx_queues;
|
|
for (int i = 0; i < adapter->rx_num_queues; i++, rx_que++)
|
|
iflib_irq_free(ctx, &rx_que->que_irq);
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
igb_configure_queues(struct adapter *adapter)
|
|
{
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
struct em_rx_queue *rx_que;
|
|
struct em_tx_queue *tx_que;
|
|
u32 tmp, ivar = 0, newitr = 0;
|
|
|
|
/* First turn on RSS capability */
|
|
if (adapter->hw.mac.type != e1000_82575)
|
|
E1000_WRITE_REG(hw, E1000_GPIE,
|
|
E1000_GPIE_MSIX_MODE | E1000_GPIE_EIAME |
|
|
E1000_GPIE_PBA | E1000_GPIE_NSICR);
|
|
|
|
/* Turn on MSIX */
|
|
switch (adapter->hw.mac.type) {
|
|
case e1000_82580:
|
|
case e1000_i350:
|
|
case e1000_i354:
|
|
case e1000_i210:
|
|
case e1000_i211:
|
|
case e1000_vfadapt:
|
|
case e1000_vfadapt_i350:
|
|
/* RX entries */
|
|
for (int i = 0; i < adapter->rx_num_queues; i++) {
|
|
u32 index = i >> 1;
|
|
ivar = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
|
|
rx_que = &adapter->rx_queues[i];
|
|
if (i & 1) {
|
|
ivar &= 0xFF00FFFF;
|
|
ivar |= (rx_que->msix | E1000_IVAR_VALID) << 16;
|
|
} else {
|
|
ivar &= 0xFFFFFF00;
|
|
ivar |= rx_que->msix | E1000_IVAR_VALID;
|
|
}
|
|
E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, ivar);
|
|
}
|
|
/* TX entries */
|
|
for (int i = 0; i < adapter->tx_num_queues; i++) {
|
|
u32 index = i >> 1;
|
|
ivar = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
|
|
tx_que = &adapter->tx_queues[i];
|
|
if (i & 1) {
|
|
ivar &= 0x00FFFFFF;
|
|
ivar |= (tx_que->msix | E1000_IVAR_VALID) << 24;
|
|
} else {
|
|
ivar &= 0xFFFF00FF;
|
|
ivar |= (tx_que->msix | E1000_IVAR_VALID) << 8;
|
|
}
|
|
E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, ivar);
|
|
adapter->que_mask |= tx_que->eims;
|
|
}
|
|
|
|
/* And for the link interrupt */
|
|
ivar = (adapter->linkvec | E1000_IVAR_VALID) << 8;
|
|
adapter->link_mask = 1 << adapter->linkvec;
|
|
E1000_WRITE_REG(hw, E1000_IVAR_MISC, ivar);
|
|
break;
|
|
case e1000_82576:
|
|
/* RX entries */
|
|
for (int i = 0; i < adapter->rx_num_queues; i++) {
|
|
u32 index = i & 0x7; /* Each IVAR has two entries */
|
|
ivar = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
|
|
rx_que = &adapter->rx_queues[i];
|
|
if (i < 8) {
|
|
ivar &= 0xFFFFFF00;
|
|
ivar |= rx_que->msix | E1000_IVAR_VALID;
|
|
} else {
|
|
ivar &= 0xFF00FFFF;
|
|
ivar |= (rx_que->msix | E1000_IVAR_VALID) << 16;
|
|
}
|
|
E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, ivar);
|
|
adapter->que_mask |= rx_que->eims;
|
|
}
|
|
/* TX entries */
|
|
for (int i = 0; i < adapter->tx_num_queues; i++) {
|
|
u32 index = i & 0x7; /* Each IVAR has two entries */
|
|
ivar = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
|
|
tx_que = &adapter->tx_queues[i];
|
|
if (i < 8) {
|
|
ivar &= 0xFFFF00FF;
|
|
ivar |= (tx_que->msix | E1000_IVAR_VALID) << 8;
|
|
} else {
|
|
ivar &= 0x00FFFFFF;
|
|
ivar |= (tx_que->msix | E1000_IVAR_VALID) << 24;
|
|
}
|
|
E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, ivar);
|
|
adapter->que_mask |= tx_que->eims;
|
|
}
|
|
|
|
/* And for the link interrupt */
|
|
ivar = (adapter->linkvec | E1000_IVAR_VALID) << 8;
|
|
adapter->link_mask = 1 << adapter->linkvec;
|
|
E1000_WRITE_REG(hw, E1000_IVAR_MISC, ivar);
|
|
break;
|
|
|
|
case e1000_82575:
|
|
/* enable MSI-X support*/
|
|
tmp = E1000_READ_REG(hw, E1000_CTRL_EXT);
|
|
tmp |= E1000_CTRL_EXT_PBA_CLR;
|
|
/* Auto-Mask interrupts upon ICR read. */
|
|
tmp |= E1000_CTRL_EXT_EIAME;
|
|
tmp |= E1000_CTRL_EXT_IRCA;
|
|
E1000_WRITE_REG(hw, E1000_CTRL_EXT, tmp);
|
|
|
|
/* Queues */
|
|
for (int i = 0; i < adapter->rx_num_queues; i++) {
|
|
rx_que = &adapter->rx_queues[i];
|
|
tmp = E1000_EICR_RX_QUEUE0 << i;
|
|
tmp |= E1000_EICR_TX_QUEUE0 << i;
|
|
rx_que->eims = tmp;
|
|
E1000_WRITE_REG_ARRAY(hw, E1000_MSIXBM(0),
|
|
i, rx_que->eims);
|
|
adapter->que_mask |= rx_que->eims;
|
|
}
|
|
|
|
/* Link */
|
|
E1000_WRITE_REG(hw, E1000_MSIXBM(adapter->linkvec),
|
|
E1000_EIMS_OTHER);
|
|
adapter->link_mask |= E1000_EIMS_OTHER;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Set the starting interrupt rate */
|
|
if (em_max_interrupt_rate > 0)
|
|
newitr = (4000000 / em_max_interrupt_rate) & 0x7FFC;
|
|
|
|
if (hw->mac.type == e1000_82575)
|
|
newitr |= newitr << 16;
|
|
else
|
|
newitr |= E1000_EITR_CNT_IGNR;
|
|
|
|
for (int i = 0; i < adapter->rx_num_queues; i++) {
|
|
rx_que = &adapter->rx_queues[i];
|
|
E1000_WRITE_REG(hw, E1000_EITR(rx_que->msix), newitr);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
em_free_pci_resources(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct em_rx_queue *que = adapter->rx_queues;
|
|
device_t dev = iflib_get_dev(ctx);
|
|
|
|
/* Release all msix queue resources */
|
|
if (adapter->intr_type == IFLIB_INTR_MSIX)
|
|
iflib_irq_free(ctx, &adapter->irq);
|
|
|
|
for (int i = 0; i < adapter->rx_num_queues; i++, que++) {
|
|
iflib_irq_free(ctx, &que->que_irq);
|
|
}
|
|
|
|
|
|
/* First release all the interrupt resources */
|
|
if (adapter->memory != NULL) {
|
|
bus_release_resource(dev, SYS_RES_MEMORY,
|
|
PCIR_BAR(0), adapter->memory);
|
|
adapter->memory = NULL;
|
|
}
|
|
|
|
if (adapter->flash != NULL) {
|
|
bus_release_resource(dev, SYS_RES_MEMORY,
|
|
EM_FLASH, adapter->flash);
|
|
adapter->flash = NULL;
|
|
}
|
|
if (adapter->ioport != NULL)
|
|
bus_release_resource(dev, SYS_RES_IOPORT,
|
|
adapter->io_rid, adapter->ioport);
|
|
}
|
|
|
|
/* Setup MSI or MSI/X */
|
|
static int
|
|
em_setup_msix(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
|
|
if (adapter->hw.mac.type == e1000_82574) {
|
|
em_enable_vectors_82574(ctx);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Initialize the hardware to a configuration
|
|
* as specified by the adapter structure.
|
|
*
|
|
**********************************************************************/
|
|
|
|
static void
|
|
lem_smartspeed(struct adapter *adapter)
|
|
{
|
|
u16 phy_tmp;
|
|
|
|
if (adapter->link_active || (adapter->hw.phy.type != e1000_phy_igp) ||
|
|
adapter->hw.mac.autoneg == 0 ||
|
|
(adapter->hw.phy.autoneg_advertised & ADVERTISE_1000_FULL) == 0)
|
|
return;
|
|
|
|
if (adapter->smartspeed == 0) {
|
|
/* If Master/Slave config fault is asserted twice,
|
|
* we assume back-to-back */
|
|
e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_tmp);
|
|
if (!(phy_tmp & SR_1000T_MS_CONFIG_FAULT))
|
|
return;
|
|
e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_tmp);
|
|
if (phy_tmp & SR_1000T_MS_CONFIG_FAULT) {
|
|
e1000_read_phy_reg(&adapter->hw,
|
|
PHY_1000T_CTRL, &phy_tmp);
|
|
if(phy_tmp & CR_1000T_MS_ENABLE) {
|
|
phy_tmp &= ~CR_1000T_MS_ENABLE;
|
|
e1000_write_phy_reg(&adapter->hw,
|
|
PHY_1000T_CTRL, phy_tmp);
|
|
adapter->smartspeed++;
|
|
if(adapter->hw.mac.autoneg &&
|
|
!e1000_copper_link_autoneg(&adapter->hw) &&
|
|
!e1000_read_phy_reg(&adapter->hw,
|
|
PHY_CONTROL, &phy_tmp)) {
|
|
phy_tmp |= (MII_CR_AUTO_NEG_EN |
|
|
MII_CR_RESTART_AUTO_NEG);
|
|
e1000_write_phy_reg(&adapter->hw,
|
|
PHY_CONTROL, phy_tmp);
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
} else if(adapter->smartspeed == EM_SMARTSPEED_DOWNSHIFT) {
|
|
/* If still no link, perhaps using 2/3 pair cable */
|
|
e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_tmp);
|
|
phy_tmp |= CR_1000T_MS_ENABLE;
|
|
e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_tmp);
|
|
if(adapter->hw.mac.autoneg &&
|
|
!e1000_copper_link_autoneg(&adapter->hw) &&
|
|
!e1000_read_phy_reg(&adapter->hw, PHY_CONTROL, &phy_tmp)) {
|
|
phy_tmp |= (MII_CR_AUTO_NEG_EN |
|
|
MII_CR_RESTART_AUTO_NEG);
|
|
e1000_write_phy_reg(&adapter->hw, PHY_CONTROL, phy_tmp);
|
|
}
|
|
}
|
|
/* Restart process after EM_SMARTSPEED_MAX iterations */
|
|
if(adapter->smartspeed++ == EM_SMARTSPEED_MAX)
|
|
adapter->smartspeed = 0;
|
|
}
|
|
|
|
|
|
static void
|
|
em_reset(if_ctx_t ctx)
|
|
{
|
|
device_t dev = iflib_get_dev(ctx);
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
u16 rx_buffer_size;
|
|
u32 pba;
|
|
|
|
INIT_DEBUGOUT("em_reset: begin");
|
|
|
|
/* Set up smart power down as default off on newer adapters. */
|
|
if (!em_smart_pwr_down && (hw->mac.type == e1000_82571 ||
|
|
hw->mac.type == e1000_82572)) {
|
|
u16 phy_tmp = 0;
|
|
|
|
/* Speed up time to link by disabling smart power down. */
|
|
e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_tmp);
|
|
phy_tmp &= ~IGP02E1000_PM_SPD;
|
|
e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_tmp);
|
|
}
|
|
|
|
/*
|
|
* Packet Buffer Allocation (PBA)
|
|
* Writing PBA sets the receive portion of the buffer
|
|
* the remainder is used for the transmit buffer.
|
|
*/
|
|
switch (hw->mac.type) {
|
|
/* Total Packet Buffer on these is 48K */
|
|
case e1000_82571:
|
|
case e1000_82572:
|
|
case e1000_80003es2lan:
|
|
pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
|
|
break;
|
|
case e1000_82573: /* 82573: Total Packet Buffer is 32K */
|
|
pba = E1000_PBA_12K; /* 12K for Rx, 20K for Tx */
|
|
break;
|
|
case e1000_82574:
|
|
case e1000_82583:
|
|
pba = E1000_PBA_20K; /* 20K for Rx, 20K for Tx */
|
|
break;
|
|
case e1000_ich8lan:
|
|
pba = E1000_PBA_8K;
|
|
break;
|
|
case e1000_ich9lan:
|
|
case e1000_ich10lan:
|
|
/* Boost Receive side for jumbo frames */
|
|
if (adapter->hw.mac.max_frame_size > 4096)
|
|
pba = E1000_PBA_14K;
|
|
else
|
|
pba = E1000_PBA_10K;
|
|
break;
|
|
case e1000_pchlan:
|
|
case e1000_pch2lan:
|
|
case e1000_pch_lpt:
|
|
case e1000_pch_spt:
|
|
pba = E1000_PBA_26K;
|
|
break;
|
|
default:
|
|
if (adapter->hw.mac.max_frame_size > 8192)
|
|
pba = E1000_PBA_40K; /* 40K for Rx, 24K for Tx */
|
|
else
|
|
pba = E1000_PBA_48K; /* 48K for Rx, 16K for Tx */
|
|
}
|
|
E1000_WRITE_REG(&adapter->hw, E1000_PBA, pba);
|
|
|
|
/*
|
|
* These parameters control the automatic generation (Tx) and
|
|
* response (Rx) to Ethernet PAUSE frames.
|
|
* - High water mark should allow for at least two frames to be
|
|
* received after sending an XOFF.
|
|
* - Low water mark works best when it is very near the high water mark.
|
|
* This allows the receiver to restart by sending XON when it has
|
|
* drained a bit. Here we use an arbitrary value of 1500 which will
|
|
* restart after one full frame is pulled from the buffer. There
|
|
* could be several smaller frames in the buffer and if so they will
|
|
* not trigger the XON until their total number reduces the buffer
|
|
* by 1500.
|
|
* - The pause time is fairly large at 1000 x 512ns = 512 usec.
|
|
*/
|
|
rx_buffer_size = ((E1000_READ_REG(hw, E1000_PBA) & 0xffff) << 10 );
|
|
hw->fc.high_water = rx_buffer_size -
|
|
roundup2(adapter->hw.mac.max_frame_size, 1024);
|
|
hw->fc.low_water = hw->fc.high_water - 1500;
|
|
|
|
if (adapter->fc) /* locally set flow control value? */
|
|
hw->fc.requested_mode = adapter->fc;
|
|
else
|
|
hw->fc.requested_mode = e1000_fc_full;
|
|
|
|
if (hw->mac.type == e1000_80003es2lan)
|
|
hw->fc.pause_time = 0xFFFF;
|
|
else
|
|
hw->fc.pause_time = EM_FC_PAUSE_TIME;
|
|
|
|
hw->fc.send_xon = TRUE;
|
|
|
|
/* Device specific overrides/settings */
|
|
switch (hw->mac.type) {
|
|
case e1000_pchlan:
|
|
/* Workaround: no TX flow ctrl for PCH */
|
|
hw->fc.requested_mode = e1000_fc_rx_pause;
|
|
hw->fc.pause_time = 0xFFFF; /* override */
|
|
if (if_getmtu(ifp) > ETHERMTU) {
|
|
hw->fc.high_water = 0x3500;
|
|
hw->fc.low_water = 0x1500;
|
|
} else {
|
|
hw->fc.high_water = 0x5000;
|
|
hw->fc.low_water = 0x3000;
|
|
}
|
|
hw->fc.refresh_time = 0x1000;
|
|
break;
|
|
case e1000_pch2lan:
|
|
case e1000_pch_lpt:
|
|
case e1000_pch_spt:
|
|
hw->fc.high_water = 0x5C20;
|
|
hw->fc.low_water = 0x5048;
|
|
hw->fc.pause_time = 0x0650;
|
|
hw->fc.refresh_time = 0x0400;
|
|
/* Jumbos need adjusted PBA */
|
|
if (if_getmtu(ifp) > ETHERMTU)
|
|
E1000_WRITE_REG(hw, E1000_PBA, 12);
|
|
else
|
|
E1000_WRITE_REG(hw, E1000_PBA, 26);
|
|
break;
|
|
case e1000_ich9lan:
|
|
case e1000_ich10lan:
|
|
if (if_getmtu(ifp) > ETHERMTU) {
|
|
hw->fc.high_water = 0x2800;
|
|
hw->fc.low_water = hw->fc.high_water - 8;
|
|
break;
|
|
}
|
|
/* else fall thru */
|
|
default:
|
|
if (hw->mac.type == e1000_80003es2lan)
|
|
hw->fc.pause_time = 0xFFFF;
|
|
break;
|
|
}
|
|
|
|
/* Issue a global reset */
|
|
e1000_reset_hw(hw);
|
|
E1000_WRITE_REG(hw, E1000_WUFC, 0);
|
|
em_disable_aspm(adapter);
|
|
/* and a re-init */
|
|
if (e1000_init_hw(hw) < 0) {
|
|
device_printf(dev, "Hardware Initialization Failed\n");
|
|
return;
|
|
}
|
|
|
|
E1000_WRITE_REG(hw, E1000_VET, ETHERTYPE_VLAN);
|
|
e1000_get_phy_info(hw);
|
|
e1000_check_for_link(hw);
|
|
}
|
|
|
|
#define RSSKEYLEN 10
|
|
static void
|
|
em_initialize_rss_mapping(struct adapter *adapter)
|
|
{
|
|
uint8_t rss_key[4 * RSSKEYLEN];
|
|
uint32_t reta = 0;
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
int i;
|
|
|
|
/*
|
|
* Configure RSS key
|
|
*/
|
|
arc4rand(rss_key, sizeof(rss_key), 0);
|
|
for (i = 0; i < RSSKEYLEN; ++i) {
|
|
uint32_t rssrk = 0;
|
|
|
|
rssrk = EM_RSSRK_VAL(rss_key, i);
|
|
E1000_WRITE_REG(hw,E1000_RSSRK(i), rssrk);
|
|
}
|
|
|
|
/*
|
|
* Configure RSS redirect table in following fashion:
|
|
* (hash & ring_cnt_mask) == rdr_table[(hash & rdr_table_mask)]
|
|
*/
|
|
for (i = 0; i < sizeof(reta); ++i) {
|
|
uint32_t q;
|
|
|
|
q = (i % adapter->rx_num_queues) << 7;
|
|
reta |= q << (8 * i);
|
|
}
|
|
|
|
for (i = 0; i < 32; ++i)
|
|
E1000_WRITE_REG(hw, E1000_RETA(i), reta);
|
|
|
|
E1000_WRITE_REG(hw, E1000_MRQC, E1000_MRQC_RSS_ENABLE_2Q |
|
|
E1000_MRQC_RSS_FIELD_IPV4_TCP |
|
|
E1000_MRQC_RSS_FIELD_IPV4 |
|
|
E1000_MRQC_RSS_FIELD_IPV6_TCP_EX |
|
|
E1000_MRQC_RSS_FIELD_IPV6_EX |
|
|
E1000_MRQC_RSS_FIELD_IPV6);
|
|
|
|
}
|
|
|
|
static void
|
|
igb_initialize_rss_mapping(struct adapter *adapter)
|
|
{
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
int i;
|
|
int queue_id;
|
|
u32 reta;
|
|
u32 rss_key[10], mrqc, shift = 0;
|
|
|
|
/* XXX? */
|
|
if (adapter->hw.mac.type == e1000_82575)
|
|
shift = 6;
|
|
|
|
/*
|
|
* The redirection table controls which destination
|
|
* queue each bucket redirects traffic to.
|
|
* Each DWORD represents four queues, with the LSB
|
|
* being the first queue in the DWORD.
|
|
*
|
|
* This just allocates buckets to queues using round-robin
|
|
* allocation.
|
|
*
|
|
* NOTE: It Just Happens to line up with the default
|
|
* RSS allocation method.
|
|
*/
|
|
|
|
/* Warning FM follows */
|
|
reta = 0;
|
|
for (i = 0; i < 128; i++) {
|
|
#ifdef RSS
|
|
queue_id = rss_get_indirection_to_bucket(i);
|
|
/*
|
|
* If we have more queues than buckets, we'll
|
|
* end up mapping buckets to a subset of the
|
|
* queues.
|
|
*
|
|
* If we have more buckets than queues, we'll
|
|
* end up instead assigning multiple buckets
|
|
* to queues.
|
|
*
|
|
* Both are suboptimal, but we need to handle
|
|
* the case so we don't go out of bounds
|
|
* indexing arrays and such.
|
|
*/
|
|
queue_id = queue_id % adapter->rx_num_queues;
|
|
#else
|
|
queue_id = (i % adapter->rx_num_queues);
|
|
#endif
|
|
/* Adjust if required */
|
|
queue_id = queue_id << shift;
|
|
|
|
/*
|
|
* The low 8 bits are for hash value (n+0);
|
|
* The next 8 bits are for hash value (n+1), etc.
|
|
*/
|
|
reta = reta >> 8;
|
|
reta = reta | ( ((uint32_t) queue_id) << 24);
|
|
if ((i & 3) == 3) {
|
|
E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
|
|
reta = 0;
|
|
}
|
|
}
|
|
|
|
/* Now fill in hash table */
|
|
|
|
/*
|
|
* MRQC: Multiple Receive Queues Command
|
|
* Set queuing to RSS control, number depends on the device.
|
|
*/
|
|
mrqc = E1000_MRQC_ENABLE_RSS_8Q;
|
|
|
|
#ifdef RSS
|
|
/* XXX ew typecasting */
|
|
rss_getkey((uint8_t *) &rss_key);
|
|
#else
|
|
arc4rand(&rss_key, sizeof(rss_key), 0);
|
|
#endif
|
|
for (i = 0; i < 10; i++)
|
|
E1000_WRITE_REG_ARRAY(hw,
|
|
E1000_RSSRK(0), i, rss_key[i]);
|
|
|
|
/*
|
|
* Configure the RSS fields to hash upon.
|
|
*/
|
|
mrqc |= (E1000_MRQC_RSS_FIELD_IPV4 |
|
|
E1000_MRQC_RSS_FIELD_IPV4_TCP);
|
|
mrqc |= (E1000_MRQC_RSS_FIELD_IPV6 |
|
|
E1000_MRQC_RSS_FIELD_IPV6_TCP);
|
|
mrqc |=( E1000_MRQC_RSS_FIELD_IPV4_UDP |
|
|
E1000_MRQC_RSS_FIELD_IPV6_UDP);
|
|
mrqc |=( E1000_MRQC_RSS_FIELD_IPV6_UDP_EX |
|
|
E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
|
|
|
|
E1000_WRITE_REG(hw, E1000_MRQC, mrqc);
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Setup networking device structure and register an interface.
|
|
*
|
|
**********************************************************************/
|
|
static int
|
|
em_setup_interface(if_ctx_t ctx)
|
|
{
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
if_softc_ctx_t scctx = adapter->shared;
|
|
uint64_t cap = 0;
|
|
|
|
INIT_DEBUGOUT("em_setup_interface: begin");
|
|
|
|
/* TSO parameters */
|
|
if_sethwtsomax(ifp, IP_MAXPACKET);
|
|
/* Take m_pullup(9)'s in em_xmit() w/ TSO into acount. */
|
|
if_sethwtsomaxsegcount(ifp, EM_MAX_SCATTER - 5);
|
|
if_sethwtsomaxsegsize(ifp, EM_TSO_SEG_SIZE);
|
|
|
|
/* Single Queue */
|
|
if (adapter->tx_num_queues == 1) {
|
|
if_setsendqlen(ifp, scctx->isc_ntxd[0] - 1);
|
|
if_setsendqready(ifp);
|
|
}
|
|
|
|
cap = IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | IFCAP_TSO4;
|
|
cap |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO | IFCAP_VLAN_MTU;
|
|
|
|
/*
|
|
* Tell the upper layer(s) we
|
|
* support full VLAN capability
|
|
*/
|
|
if_setifheaderlen(ifp, sizeof(struct ether_vlan_header));
|
|
if_setcapabilitiesbit(ifp, cap, 0);
|
|
|
|
/*
|
|
** Don't turn this on by default, if vlans are
|
|
** created on another pseudo device (eg. lagg)
|
|
** then vlan events are not passed thru, breaking
|
|
** operation, but with HW FILTER off it works. If
|
|
** using vlans directly on the em driver you can
|
|
** enable this and get full hardware tag filtering.
|
|
*/
|
|
if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWFILTER,0);
|
|
|
|
/* Enable only WOL MAGIC by default */
|
|
if (adapter->wol) {
|
|
if_setcapenablebit(ifp, IFCAP_WOL_MAGIC,
|
|
IFCAP_WOL_MCAST| IFCAP_WOL_UCAST);
|
|
} else {
|
|
if_setcapenablebit(ifp, 0, IFCAP_WOL_MAGIC |
|
|
IFCAP_WOL_MCAST| IFCAP_WOL_UCAST);
|
|
}
|
|
|
|
/*
|
|
* Specify the media types supported by this adapter and register
|
|
* callbacks to update media and link information
|
|
*/
|
|
if ((adapter->hw.phy.media_type == e1000_media_type_fiber) ||
|
|
(adapter->hw.phy.media_type == e1000_media_type_internal_serdes)) {
|
|
u_char fiber_type = IFM_1000_SX; /* default type */
|
|
|
|
if (adapter->hw.mac.type == e1000_82545)
|
|
fiber_type = IFM_1000_LX;
|
|
ifmedia_add(adapter->media, IFM_ETHER | fiber_type | IFM_FDX, 0, NULL);
|
|
ifmedia_add(adapter->media, IFM_ETHER | fiber_type, 0, NULL);
|
|
} else {
|
|
ifmedia_add(adapter->media, IFM_ETHER | IFM_10_T, 0, NULL);
|
|
ifmedia_add(adapter->media, IFM_ETHER | IFM_10_T | IFM_FDX, 0, NULL);
|
|
ifmedia_add(adapter->media, IFM_ETHER | IFM_100_TX, 0, NULL);
|
|
ifmedia_add(adapter->media, IFM_ETHER | IFM_100_TX | IFM_FDX, 0, NULL);
|
|
if (adapter->hw.phy.type != e1000_phy_ife) {
|
|
ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL);
|
|
ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL);
|
|
}
|
|
}
|
|
ifmedia_add(adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL);
|
|
ifmedia_set(adapter->media, IFM_ETHER | IFM_AUTO);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
em_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
if_softc_ctx_t scctx = adapter->shared;
|
|
int error = E1000_SUCCESS;
|
|
struct em_tx_queue *que;
|
|
int i;
|
|
|
|
MPASS(adapter->tx_num_queues > 0);
|
|
MPASS(adapter->tx_num_queues == ntxqsets);
|
|
|
|
/* First allocate the top level queue structs */
|
|
if (!(adapter->tx_queues =
|
|
(struct em_tx_queue *) malloc(sizeof(struct em_tx_queue) *
|
|
adapter->tx_num_queues, M_DEVBUF, M_NOWAIT | M_ZERO))) {
|
|
device_printf(iflib_get_dev(ctx), "Unable to allocate queue memory\n");
|
|
return(ENOMEM);
|
|
}
|
|
|
|
for (i = 0, que = adapter->tx_queues; i < adapter->tx_num_queues; i++, que++) {
|
|
/* Set up some basics */
|
|
struct tx_ring *txr = &que->txr;
|
|
txr->adapter = que->adapter = adapter;
|
|
txr->que = que;
|
|
que->me = txr->me = i;
|
|
|
|
/* Allocate transmit buffer memory */
|
|
if (!(txr->tx_buffers = (struct em_txbuffer *) malloc(sizeof(struct em_txbuffer) * scctx->isc_ntxd[0], M_DEVBUF, M_NOWAIT | M_ZERO))) {
|
|
device_printf(iflib_get_dev(ctx), "failed to allocate tx_buffer memory\n");
|
|
error = ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
/* get the virtual and physical address of the hardware queues */
|
|
txr->tx_base = (struct e1000_tx_desc *)vaddrs[i*ntxqs];
|
|
txr->tx_paddr = paddrs[i*ntxqs];
|
|
|
|
}
|
|
|
|
device_printf(iflib_get_dev(ctx), "allocated for %d tx_queues\n", adapter->tx_num_queues);
|
|
return (0);
|
|
fail:
|
|
em_if_queues_free(ctx);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
em_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nrxqs, int nrxqsets)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
int error = E1000_SUCCESS;
|
|
struct em_rx_queue *que;
|
|
int i;
|
|
|
|
MPASS(adapter->rx_num_queues > 0);
|
|
MPASS(adapter->rx_num_queues == nrxqsets);
|
|
|
|
/* First allocate the top level queue structs */
|
|
if (!(adapter->rx_queues =
|
|
(struct em_rx_queue *) malloc(sizeof(struct em_rx_queue) *
|
|
adapter->rx_num_queues, M_DEVBUF, M_NOWAIT | M_ZERO))) {
|
|
device_printf(iflib_get_dev(ctx), "Unable to allocate queue memory\n");
|
|
error = ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
for (i = 0, que = adapter->rx_queues; i < nrxqsets; i++, que++) {
|
|
/* Set up some basics */
|
|
struct rx_ring *rxr = &que->rxr;
|
|
rxr->adapter = que->adapter = adapter;
|
|
rxr->que = que;
|
|
que->me = rxr->me = i;
|
|
|
|
/* get the virtual and physical address of the hardware queues */
|
|
rxr->rx_base = (union e1000_rx_desc_extended *)vaddrs[i*nrxqs];
|
|
rxr->rx_paddr = paddrs[i*nrxqs];
|
|
}
|
|
|
|
device_printf(iflib_get_dev(ctx), "allocated for %d rx_queues\n", adapter->rx_num_queues);
|
|
|
|
return (0);
|
|
fail:
|
|
em_if_queues_free(ctx);
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
em_if_queues_free(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct em_tx_queue *tx_que = adapter->tx_queues;
|
|
struct em_rx_queue *rx_que = adapter->rx_queues;
|
|
|
|
if (tx_que != NULL) {
|
|
for (int i = 0; i < adapter->tx_num_queues; i++, tx_que++) {
|
|
struct tx_ring *txr = &tx_que->txr;
|
|
if (txr->tx_buffers == NULL)
|
|
break;
|
|
|
|
free(txr->tx_buffers, M_DEVBUF);
|
|
txr->tx_buffers = NULL;
|
|
}
|
|
free(adapter->tx_queues, M_DEVBUF);
|
|
adapter->tx_queues = NULL;
|
|
}
|
|
|
|
if (rx_que != NULL) {
|
|
free(adapter->rx_queues, M_DEVBUF);
|
|
adapter->rx_queues = NULL;
|
|
}
|
|
|
|
em_release_hw_control(adapter);
|
|
|
|
if (adapter->mta != NULL) {
|
|
free(adapter->mta, M_DEVBUF);
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Enable transmit unit.
|
|
*
|
|
**********************************************************************/
|
|
static void
|
|
em_initialize_transmit_unit(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
if_softc_ctx_t scctx = adapter->shared;
|
|
struct em_tx_queue *que;
|
|
struct tx_ring *txr;
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
u32 tctl, txdctl = 0, tarc, tipg = 0;
|
|
|
|
INIT_DEBUGOUT("em_initialize_transmit_unit: begin");
|
|
|
|
for (int i = 0; i < adapter->tx_num_queues; i++, txr++) {
|
|
u64 bus_addr;
|
|
caddr_t offp, endp;
|
|
|
|
que = &adapter->tx_queues[i];
|
|
txr = &que->txr;
|
|
bus_addr = txr->tx_paddr;
|
|
|
|
/*Enable all queues */
|
|
em_init_tx_ring(que);
|
|
|
|
/* Clear checksum offload context. */
|
|
offp = (caddr_t)&txr->csum_flags;
|
|
endp = (caddr_t)(txr + 1);
|
|
bzero(offp, endp - offp);
|
|
|
|
/* Base and Len of TX Ring */
|
|
E1000_WRITE_REG(hw, E1000_TDLEN(i),
|
|
scctx->isc_ntxd[0] * sizeof(struct e1000_tx_desc));
|
|
E1000_WRITE_REG(hw, E1000_TDBAH(i),
|
|
(u32)(bus_addr >> 32));
|
|
E1000_WRITE_REG(hw, E1000_TDBAL(i),
|
|
(u32)bus_addr);
|
|
/* Init the HEAD/TAIL indices */
|
|
E1000_WRITE_REG(hw, E1000_TDT(i), 0);
|
|
E1000_WRITE_REG(hw, E1000_TDH(i), 0);
|
|
|
|
HW_DEBUGOUT2("Base = %x, Length = %x\n",
|
|
E1000_READ_REG(&adapter->hw, E1000_TDBAL(i)),
|
|
E1000_READ_REG(&adapter->hw, E1000_TDLEN(i)));
|
|
|
|
txdctl = 0; /* clear txdctl */
|
|
txdctl |= 0x1f; /* PTHRESH */
|
|
txdctl |= 1 << 8; /* HTHRESH */
|
|
txdctl |= 1 << 16;/* WTHRESH */
|
|
txdctl |= 1 << 22; /* Reserved bit 22 must always be 1 */
|
|
txdctl |= E1000_TXDCTL_GRAN;
|
|
txdctl |= 1 << 25; /* LWTHRESH */
|
|
|
|
E1000_WRITE_REG(hw, E1000_TXDCTL(i), txdctl);
|
|
}
|
|
|
|
/* Set the default values for the Tx Inter Packet Gap timer */
|
|
switch (adapter->hw.mac.type) {
|
|
case e1000_80003es2lan:
|
|
tipg = DEFAULT_82543_TIPG_IPGR1;
|
|
tipg |= DEFAULT_80003ES2LAN_TIPG_IPGR2 <<
|
|
E1000_TIPG_IPGR2_SHIFT;
|
|
break;
|
|
case e1000_82542:
|
|
tipg = DEFAULT_82542_TIPG_IPGT;
|
|
tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
|
|
tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
|
|
break;
|
|
default:
|
|
if ((adapter->hw.phy.media_type == e1000_media_type_fiber) ||
|
|
(adapter->hw.phy.media_type ==
|
|
e1000_media_type_internal_serdes))
|
|
tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
|
|
else
|
|
tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
|
|
tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
|
|
tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
|
|
}
|
|
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TIPG, tipg);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TIDV, adapter->tx_int_delay.value);
|
|
|
|
if(adapter->hw.mac.type >= e1000_82540)
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TADV,
|
|
adapter->tx_abs_int_delay.value);
|
|
|
|
if ((adapter->hw.mac.type == e1000_82571) ||
|
|
(adapter->hw.mac.type == e1000_82572)) {
|
|
tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(0));
|
|
tarc |= TARC_SPEED_MODE_BIT;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
|
|
} else if (adapter->hw.mac.type == e1000_80003es2lan) {
|
|
/* errata: program both queues to unweighted RR */
|
|
tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(0));
|
|
tarc |= 1;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
|
|
tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(1));
|
|
tarc |= 1;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TARC(1), tarc);
|
|
} else if (adapter->hw.mac.type == e1000_82574) {
|
|
tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(0));
|
|
tarc |= TARC_ERRATA_BIT;
|
|
if ( adapter->tx_num_queues > 1) {
|
|
tarc |= (TARC_COMPENSATION_MODE | TARC_MQ_FIX);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TARC(1), tarc);
|
|
} else
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
|
|
}
|
|
|
|
if (adapter->tx_int_delay.value > 0)
|
|
adapter->txd_cmd |= E1000_TXD_CMD_IDE;
|
|
|
|
/* Program the Transmit Control Register */
|
|
tctl = E1000_READ_REG(&adapter->hw, E1000_TCTL);
|
|
tctl &= ~E1000_TCTL_CT;
|
|
tctl |= (E1000_TCTL_PSP | E1000_TCTL_RTLC | E1000_TCTL_EN |
|
|
(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT));
|
|
|
|
if (adapter->hw.mac.type >= e1000_82571)
|
|
tctl |= E1000_TCTL_MULR;
|
|
|
|
/* This write will effectively turn on the transmit unit. */
|
|
E1000_WRITE_REG(&adapter->hw, E1000_TCTL, tctl);
|
|
|
|
if (hw->mac.type == e1000_pch_spt) {
|
|
u32 reg;
|
|
reg = E1000_READ_REG(hw, E1000_IOSFPC);
|
|
reg |= E1000_RCTL_RDMTS_HEX;
|
|
E1000_WRITE_REG(hw, E1000_IOSFPC, reg);
|
|
reg = E1000_READ_REG(hw, E1000_TARC(0));
|
|
reg |= E1000_TARC0_CB_MULTIQ_3_REQ;
|
|
E1000_WRITE_REG(hw, E1000_TARC(0), reg);
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Enable receive unit.
|
|
*
|
|
**********************************************************************/
|
|
|
|
static void
|
|
em_initialize_receive_unit(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
if_softc_ctx_t scctx = adapter->shared;
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
struct em_rx_queue *que;
|
|
int i;
|
|
u32 rctl, rxcsum, rfctl;
|
|
|
|
INIT_DEBUGOUT("em_initialize_receive_units: begin");
|
|
|
|
/*
|
|
* Make sure receives are disabled while setting
|
|
* up the descriptor ring
|
|
*/
|
|
rctl = E1000_READ_REG(hw, E1000_RCTL);
|
|
/* Do not disable if ever enabled on this hardware */
|
|
if ((hw->mac.type != e1000_82574) && (hw->mac.type != e1000_82583))
|
|
E1000_WRITE_REG(hw, E1000_RCTL, rctl & ~E1000_RCTL_EN);
|
|
|
|
/* Setup the Receive Control Register */
|
|
rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
|
|
rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
|
|
E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
|
|
(hw->mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
|
|
|
|
/* Do not store bad packets */
|
|
rctl &= ~E1000_RCTL_SBP;
|
|
|
|
/* Enable Long Packet receive */
|
|
if (if_getmtu(ifp) > ETHERMTU)
|
|
rctl |= E1000_RCTL_LPE;
|
|
else
|
|
rctl &= ~E1000_RCTL_LPE;
|
|
|
|
/* Strip the CRC */
|
|
if (!em_disable_crc_stripping)
|
|
rctl |= E1000_RCTL_SECRC;
|
|
|
|
if (adapter->hw.mac.type >= e1000_82540) {
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RADV,
|
|
adapter->rx_abs_int_delay.value);
|
|
|
|
/*
|
|
* Set the interrupt throttling rate. Value is calculated
|
|
* as DEFAULT_ITR = 1/(MAX_INTS_PER_SEC * 256ns)
|
|
*/
|
|
E1000_WRITE_REG(hw, E1000_ITR, DEFAULT_ITR);
|
|
}
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RDTR,
|
|
adapter->rx_int_delay.value);
|
|
|
|
/* Use extended rx descriptor formats */
|
|
rfctl = E1000_READ_REG(hw, E1000_RFCTL);
|
|
rfctl |= E1000_RFCTL_EXTEN;
|
|
/*
|
|
** When using MSIX interrupts we need to throttle
|
|
** using the EITR register (82574 only)
|
|
*/
|
|
if (hw->mac.type == e1000_82574) {
|
|
for (int i = 0; i < 4; i++)
|
|
E1000_WRITE_REG(hw, E1000_EITR_82574(i),
|
|
DEFAULT_ITR);
|
|
/* Disable accelerated acknowledge */
|
|
rfctl |= E1000_RFCTL_ACK_DIS;
|
|
}
|
|
E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
|
|
|
|
rxcsum = E1000_READ_REG(hw, E1000_RXCSUM);
|
|
if (if_getcapenable(ifp) & IFCAP_RXCSUM &&
|
|
adapter->hw.mac.type >= e1000_82543) {
|
|
if (adapter->tx_num_queues > 1) {
|
|
if (adapter->hw.mac.type >= igb_mac_min) {
|
|
rxcsum |= E1000_RXCSUM_PCSD;
|
|
if (hw->mac.type != e1000_82575)
|
|
rxcsum |= E1000_RXCSUM_CRCOFL;
|
|
} else
|
|
rxcsum |= E1000_RXCSUM_TUOFL |
|
|
E1000_RXCSUM_IPOFL |
|
|
E1000_RXCSUM_PCSD;
|
|
} else {
|
|
if (adapter->hw.mac.type >= igb_mac_min)
|
|
rxcsum |= E1000_RXCSUM_IPPCSE;
|
|
else
|
|
rxcsum |= E1000_RXCSUM_TUOFL | E1000_RXCSUM_IPOFL;
|
|
if (adapter->hw.mac.type > e1000_82575)
|
|
rxcsum |= E1000_RXCSUM_CRCOFL;
|
|
}
|
|
} else
|
|
rxcsum &= ~E1000_RXCSUM_TUOFL;
|
|
|
|
E1000_WRITE_REG(hw, E1000_RXCSUM, rxcsum);
|
|
|
|
if (adapter->rx_num_queues > 1) {
|
|
if (adapter->hw.mac.type >= igb_mac_min)
|
|
igb_initialize_rss_mapping(adapter);
|
|
else
|
|
em_initialize_rss_mapping(adapter);
|
|
}
|
|
|
|
/*
|
|
** XXX TEMPORARY WORKAROUND: on some systems with 82573
|
|
** long latencies are observed, like Lenovo X60. This
|
|
** change eliminates the problem, but since having positive
|
|
** values in RDTR is a known source of problems on other
|
|
** platforms another solution is being sought.
|
|
*/
|
|
if (hw->mac.type == e1000_82573)
|
|
E1000_WRITE_REG(hw, E1000_RDTR, 0x20);
|
|
|
|
for (i = 0, que = adapter->rx_queues; i < adapter->rx_num_queues; i++, que++) {
|
|
struct rx_ring *rxr = &que->rxr;
|
|
/* Setup the Base and Length of the Rx Descriptor Ring */
|
|
u64 bus_addr = rxr->rx_paddr;
|
|
#if 0
|
|
u32 rdt = adapter->rx_num_queues -1; /* default */
|
|
#endif
|
|
|
|
E1000_WRITE_REG(hw, E1000_RDLEN(i),
|
|
scctx->isc_nrxd[0] * sizeof(union e1000_rx_desc_extended));
|
|
E1000_WRITE_REG(hw, E1000_RDBAH(i), (u32)(bus_addr >> 32));
|
|
E1000_WRITE_REG(hw, E1000_RDBAL(i), (u32)bus_addr);
|
|
/* Setup the Head and Tail Descriptor Pointers */
|
|
E1000_WRITE_REG(hw, E1000_RDH(i), 0);
|
|
E1000_WRITE_REG(hw, E1000_RDT(i), 0);
|
|
}
|
|
|
|
/*
|
|
* Set PTHRESH for improved jumbo performance
|
|
* According to 10.2.5.11 of Intel 82574 Datasheet,
|
|
* RXDCTL(1) is written whenever RXDCTL(0) is written.
|
|
* Only write to RXDCTL(1) if there is a need for different
|
|
* settings.
|
|
*/
|
|
|
|
if (((adapter->hw.mac.type == e1000_ich9lan) ||
|
|
(adapter->hw.mac.type == e1000_pch2lan) ||
|
|
(adapter->hw.mac.type == e1000_ich10lan)) &&
|
|
(if_getmtu(ifp) > ETHERMTU)) {
|
|
u32 rxdctl = E1000_READ_REG(hw, E1000_RXDCTL(0));
|
|
E1000_WRITE_REG(hw, E1000_RXDCTL(0), rxdctl | 3);
|
|
} else if (adapter->hw.mac.type == e1000_82574) {
|
|
for (int i = 0; i < adapter->rx_num_queues; i++) {
|
|
u32 rxdctl = E1000_READ_REG(hw, E1000_RXDCTL(i));
|
|
rxdctl |= 0x20; /* PTHRESH */
|
|
rxdctl |= 4 << 8; /* HTHRESH */
|
|
rxdctl |= 4 << 16;/* WTHRESH */
|
|
rxdctl |= 1 << 24; /* Switch to granularity */
|
|
E1000_WRITE_REG(hw, E1000_RXDCTL(i), rxdctl);
|
|
}
|
|
} else if (adapter->hw.mac.type >= igb_mac_min) {
|
|
u32 psize, srrctl = 0;
|
|
|
|
if (ifp->if_mtu > ETHERMTU) {
|
|
rctl |= E1000_RCTL_LPE;
|
|
|
|
/* Set maximum packet len */
|
|
psize = scctx->isc_max_frame_size;
|
|
if (psize <= 4096) {
|
|
srrctl |= 4096 >> E1000_SRRCTL_BSIZEPKT_SHIFT;
|
|
rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX;
|
|
} else if (psize > 4096) {
|
|
srrctl |= 8192 >> E1000_SRRCTL_BSIZEPKT_SHIFT;
|
|
rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX;
|
|
}
|
|
|
|
/* are we on a vlan? */
|
|
if (ifp->if_vlantrunk != NULL)
|
|
psize += VLAN_TAG_SIZE;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RLPML, psize);
|
|
} else {
|
|
rctl &= ~E1000_RCTL_LPE;
|
|
srrctl |= 2048 >> E1000_SRRCTL_BSIZEPKT_SHIFT;
|
|
rctl |= E1000_RCTL_SZ_2048;
|
|
}
|
|
|
|
/*
|
|
* If TX flow control is disabled and there's >1 queue defined,
|
|
* enable DROP.
|
|
*
|
|
* This drops frames rather than hanging the RX MAC for all queues.
|
|
*/
|
|
if ((adapter->rx_num_queues > 1) &&
|
|
(adapter->fc == e1000_fc_none ||
|
|
adapter->fc == e1000_fc_rx_pause)) {
|
|
srrctl |= E1000_SRRCTL_DROP_EN;
|
|
}
|
|
/* Setup the Base and Length of the Rx Descriptor Rings */
|
|
for (i = 0, que = adapter->rx_queues; i < adapter->rx_num_queues; i++, que++) {
|
|
struct rx_ring *rxr = &que->rxr;
|
|
u64 bus_addr = rxr->rx_paddr;
|
|
u32 rxdctl;
|
|
|
|
#ifdef notyet
|
|
/* Configure for header split? -- ignore for now */
|
|
rxr->hdr_split = igb_header_split;
|
|
#else
|
|
srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
|
|
#endif
|
|
|
|
|
|
E1000_WRITE_REG(hw, E1000_RDLEN(i),
|
|
scctx->isc_nrxd[0] * sizeof(struct e1000_rx_desc));
|
|
E1000_WRITE_REG(hw, E1000_RDBAH(i),
|
|
(uint32_t)(bus_addr >> 32));
|
|
E1000_WRITE_REG(hw, E1000_RDBAL(i),
|
|
(uint32_t)bus_addr);
|
|
E1000_WRITE_REG(hw, E1000_SRRCTL(i), srrctl);
|
|
/* Enable this Queue */
|
|
rxdctl = E1000_READ_REG(hw, E1000_RXDCTL(i));
|
|
rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
|
|
rxdctl &= 0xFFF00000;
|
|
rxdctl |= IGB_RX_PTHRESH;
|
|
rxdctl |= IGB_RX_HTHRESH << 8;
|
|
rxdctl |= IGB_RX_WTHRESH << 16;
|
|
E1000_WRITE_REG(hw, E1000_RXDCTL(i), rxdctl);
|
|
}
|
|
}
|
|
if (adapter->hw.mac.type >= e1000_pch2lan) {
|
|
if (if_getmtu(ifp) > ETHERMTU)
|
|
e1000_lv_jumbo_workaround_ich8lan(hw, TRUE);
|
|
else
|
|
e1000_lv_jumbo_workaround_ich8lan(hw, FALSE);
|
|
}
|
|
|
|
/* Make sure VLAN Filters are off */
|
|
rctl &= ~E1000_RCTL_VFE;
|
|
|
|
if (adapter->rx_mbuf_sz == MCLBYTES)
|
|
rctl |= E1000_RCTL_SZ_2048;
|
|
else if (adapter->rx_mbuf_sz == MJUMPAGESIZE)
|
|
rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX;
|
|
else if (adapter->rx_mbuf_sz > MJUMPAGESIZE)
|
|
rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX;
|
|
|
|
/* ensure we clear use DTYPE of 00 here */
|
|
rctl &= ~0x00000C00;
|
|
/* Write out the settings */
|
|
E1000_WRITE_REG(hw, E1000_RCTL, rctl);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
em_if_vlan_register(if_ctx_t ctx, u16 vtag)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
u32 index, bit;
|
|
|
|
index = (vtag >> 5) & 0x7F;
|
|
bit = vtag & 0x1F;
|
|
adapter->shadow_vfta[index] |= (1 << bit);
|
|
++adapter->num_vlans;
|
|
}
|
|
|
|
static void
|
|
em_if_vlan_unregister(if_ctx_t ctx, u16 vtag)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
u32 index, bit;
|
|
|
|
index = (vtag >> 5) & 0x7F;
|
|
bit = vtag & 0x1F;
|
|
adapter->shadow_vfta[index] &= ~(1 << bit);
|
|
--adapter->num_vlans;
|
|
}
|
|
|
|
static void
|
|
em_setup_vlan_hw_support(struct adapter *adapter)
|
|
{
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
u32 reg;
|
|
|
|
/*
|
|
** We get here thru init_locked, meaning
|
|
** a soft reset, this has already cleared
|
|
** the VFTA and other state, so if there
|
|
** have been no vlan's registered do nothing.
|
|
*/
|
|
if (adapter->num_vlans == 0)
|
|
return;
|
|
|
|
/*
|
|
** A soft reset zero's out the VFTA, so
|
|
** we need to repopulate it now.
|
|
*/
|
|
for (int i = 0; i < EM_VFTA_SIZE; i++)
|
|
if (adapter->shadow_vfta[i] != 0)
|
|
E1000_WRITE_REG_ARRAY(hw, E1000_VFTA,
|
|
i, adapter->shadow_vfta[i]);
|
|
|
|
reg = E1000_READ_REG(hw, E1000_CTRL);
|
|
reg |= E1000_CTRL_VME;
|
|
E1000_WRITE_REG(hw, E1000_CTRL, reg);
|
|
|
|
/* Enable the Filter Table */
|
|
reg = E1000_READ_REG(hw, E1000_RCTL);
|
|
reg &= ~E1000_RCTL_CFIEN;
|
|
reg |= E1000_RCTL_VFE;
|
|
E1000_WRITE_REG(hw, E1000_RCTL, reg);
|
|
}
|
|
|
|
static void
|
|
em_if_enable_intr(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
u32 ims_mask = IMS_ENABLE_MASK;
|
|
|
|
if (hw->mac.type == e1000_82574) {
|
|
E1000_WRITE_REG(hw, EM_EIAC, EM_MSIX_MASK);
|
|
ims_mask |= adapter->ims;
|
|
} if (adapter->intr_type == IFLIB_INTR_MSIX && hw->mac.type >= igb_mac_min) {
|
|
u32 mask = (adapter->que_mask | adapter->link_mask);
|
|
|
|
E1000_WRITE_REG(&adapter->hw, E1000_EIAC, mask);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_EIAM, mask);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_EIMS, mask);
|
|
ims_mask = E1000_IMS_LSC;
|
|
}
|
|
|
|
E1000_WRITE_REG(hw, E1000_IMS, ims_mask);
|
|
}
|
|
|
|
static void
|
|
em_if_disable_intr(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
|
|
if (adapter->intr_type == IFLIB_INTR_MSIX) {
|
|
if (hw->mac.type >= igb_mac_min)
|
|
E1000_WRITE_REG(&adapter->hw, E1000_EIMC, ~0);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_EIAC, 0);
|
|
}
|
|
E1000_WRITE_REG(&adapter->hw, E1000_IMC, 0xffffffff);
|
|
}
|
|
|
|
/*
|
|
* Bit of a misnomer, what this really means is
|
|
* to enable OS management of the system... aka
|
|
* to disable special hardware management features
|
|
*/
|
|
static void
|
|
em_init_manageability(struct adapter *adapter)
|
|
{
|
|
/* A shared code workaround */
|
|
#define E1000_82542_MANC2H E1000_MANC2H
|
|
if (adapter->has_manage) {
|
|
int manc2h = E1000_READ_REG(&adapter->hw, E1000_MANC2H);
|
|
int manc = E1000_READ_REG(&adapter->hw, E1000_MANC);
|
|
|
|
/* disable hardware interception of ARP */
|
|
manc &= ~(E1000_MANC_ARP_EN);
|
|
|
|
/* enable receiving management packets to the host */
|
|
manc |= E1000_MANC_EN_MNG2HOST;
|
|
#define E1000_MNG2HOST_PORT_623 (1 << 5)
|
|
#define E1000_MNG2HOST_PORT_664 (1 << 6)
|
|
manc2h |= E1000_MNG2HOST_PORT_623;
|
|
manc2h |= E1000_MNG2HOST_PORT_664;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_MANC2H, manc2h);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_MANC, manc);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Give control back to hardware management
|
|
* controller if there is one.
|
|
*/
|
|
static void
|
|
em_release_manageability(struct adapter *adapter)
|
|
{
|
|
if (adapter->has_manage) {
|
|
int manc = E1000_READ_REG(&adapter->hw, E1000_MANC);
|
|
|
|
/* re-enable hardware interception of ARP */
|
|
manc |= E1000_MANC_ARP_EN;
|
|
manc &= ~E1000_MANC_EN_MNG2HOST;
|
|
|
|
E1000_WRITE_REG(&adapter->hw, E1000_MANC, manc);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* em_get_hw_control sets the {CTRL_EXT|FWSM}:DRV_LOAD bit.
|
|
* For ASF and Pass Through versions of f/w this means
|
|
* that the driver is loaded. For AMT version type f/w
|
|
* this means that the network i/f is open.
|
|
*/
|
|
static void
|
|
em_get_hw_control(struct adapter *adapter)
|
|
{
|
|
u32 ctrl_ext, swsm;
|
|
|
|
if (adapter->hw.mac.type == e1000_82573) {
|
|
swsm = E1000_READ_REG(&adapter->hw, E1000_SWSM);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_SWSM,
|
|
swsm | E1000_SWSM_DRV_LOAD);
|
|
return;
|
|
}
|
|
/* else */
|
|
ctrl_ext = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT,
|
|
ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* em_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
|
|
* For ASF and Pass Through versions of f/w this means that
|
|
* the driver is no longer loaded. For AMT versions of the
|
|
* f/w this means that the network i/f is closed.
|
|
*/
|
|
static void
|
|
em_release_hw_control(struct adapter *adapter)
|
|
{
|
|
u32 ctrl_ext, swsm;
|
|
|
|
if (!adapter->has_manage)
|
|
return;
|
|
|
|
if (adapter->hw.mac.type == e1000_82573) {
|
|
swsm = E1000_READ_REG(&adapter->hw, E1000_SWSM);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_SWSM,
|
|
swsm & ~E1000_SWSM_DRV_LOAD);
|
|
return;
|
|
}
|
|
/* else */
|
|
ctrl_ext = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT,
|
|
ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
|
|
return;
|
|
}
|
|
|
|
static int
|
|
em_is_valid_ether_addr(u8 *addr)
|
|
{
|
|
char zero_addr[6] = { 0, 0, 0, 0, 0, 0 };
|
|
|
|
if ((addr[0] & 1) || (!bcmp(addr, zero_addr, ETHER_ADDR_LEN))) {
|
|
return (FALSE);
|
|
}
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
/*
|
|
** Parse the interface capabilities with regard
|
|
** to both system management and wake-on-lan for
|
|
** later use.
|
|
*/
|
|
static void
|
|
em_get_wakeup(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
device_t dev = iflib_get_dev(ctx);
|
|
u16 eeprom_data = 0, device_id, apme_mask;
|
|
|
|
adapter->has_manage = e1000_enable_mng_pass_thru(&adapter->hw);
|
|
apme_mask = EM_EEPROM_APME;
|
|
|
|
switch (adapter->hw.mac.type) {
|
|
case e1000_82542:
|
|
case e1000_82543:
|
|
break;
|
|
case e1000_82544:
|
|
e1000_read_nvm(&adapter->hw,
|
|
NVM_INIT_CONTROL2_REG, 1, &eeprom_data);
|
|
apme_mask = EM_82544_APME;
|
|
break;
|
|
case e1000_82546:
|
|
case e1000_82546_rev_3:
|
|
if (adapter->hw.bus.func == 1) {
|
|
e1000_read_nvm(&adapter->hw,
|
|
NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
|
|
break;
|
|
} else
|
|
e1000_read_nvm(&adapter->hw,
|
|
NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
|
|
break;
|
|
case e1000_82573:
|
|
case e1000_82583:
|
|
adapter->has_amt = TRUE;
|
|
/* Falls thru */
|
|
case e1000_82571:
|
|
case e1000_82572:
|
|
case e1000_80003es2lan:
|
|
if (adapter->hw.bus.func == 1) {
|
|
e1000_read_nvm(&adapter->hw,
|
|
NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
|
|
break;
|
|
} else
|
|
e1000_read_nvm(&adapter->hw,
|
|
NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
|
|
break;
|
|
case e1000_ich8lan:
|
|
case e1000_ich9lan:
|
|
case e1000_ich10lan:
|
|
case e1000_pchlan:
|
|
case e1000_pch2lan:
|
|
case e1000_pch_lpt:
|
|
case e1000_pch_spt:
|
|
case e1000_82575: /* listing all igb devices */
|
|
case e1000_82576:
|
|
case e1000_82580:
|
|
case e1000_i350:
|
|
case e1000_i354:
|
|
case e1000_i210:
|
|
case e1000_i211:
|
|
case e1000_vfadapt:
|
|
case e1000_vfadapt_i350:
|
|
apme_mask = E1000_WUC_APME;
|
|
adapter->has_amt = TRUE;
|
|
eeprom_data = E1000_READ_REG(&adapter->hw, E1000_WUC);
|
|
break;
|
|
default:
|
|
e1000_read_nvm(&adapter->hw,
|
|
NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
|
|
break;
|
|
}
|
|
if (eeprom_data & apme_mask)
|
|
adapter->wol = (E1000_WUFC_MAG | E1000_WUFC_MC);
|
|
/*
|
|
* We have the eeprom settings, now apply the special cases
|
|
* where the eeprom may be wrong or the board won't support
|
|
* wake on lan on a particular port
|
|
*/
|
|
device_id = pci_get_device(dev);
|
|
switch (device_id) {
|
|
case E1000_DEV_ID_82546GB_PCIE:
|
|
adapter->wol = 0;
|
|
break;
|
|
case E1000_DEV_ID_82546EB_FIBER:
|
|
case E1000_DEV_ID_82546GB_FIBER:
|
|
/* Wake events only supported on port A for dual fiber
|
|
* regardless of eeprom setting */
|
|
if (E1000_READ_REG(&adapter->hw, E1000_STATUS) &
|
|
E1000_STATUS_FUNC_1)
|
|
adapter->wol = 0;
|
|
break;
|
|
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
|
|
/* if quad port adapter, disable WoL on all but port A */
|
|
if (global_quad_port_a != 0)
|
|
adapter->wol = 0;
|
|
/* Reset for multiple quad port adapters */
|
|
if (++global_quad_port_a == 4)
|
|
global_quad_port_a = 0;
|
|
break;
|
|
case E1000_DEV_ID_82571EB_FIBER:
|
|
/* Wake events only supported on port A for dual fiber
|
|
* regardless of eeprom setting */
|
|
if (E1000_READ_REG(&adapter->hw, E1000_STATUS) &
|
|
E1000_STATUS_FUNC_1)
|
|
adapter->wol = 0;
|
|
break;
|
|
case E1000_DEV_ID_82571EB_QUAD_COPPER:
|
|
case E1000_DEV_ID_82571EB_QUAD_FIBER:
|
|
case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
|
|
/* if quad port adapter, disable WoL on all but port A */
|
|
if (global_quad_port_a != 0)
|
|
adapter->wol = 0;
|
|
/* Reset for multiple quad port adapters */
|
|
if (++global_quad_port_a == 4)
|
|
global_quad_port_a = 0;
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* Enable PCI Wake On Lan capability
|
|
*/
|
|
static void
|
|
em_enable_wakeup(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
device_t dev = iflib_get_dev(ctx);
|
|
if_t ifp = iflib_get_ifp(ctx);
|
|
u32 pmc, ctrl, ctrl_ext, rctl, wuc;
|
|
u16 status;
|
|
|
|
if ((pci_find_cap(dev, PCIY_PMG, &pmc) != 0))
|
|
return;
|
|
|
|
/* Advertise the wakeup capability */
|
|
ctrl = E1000_READ_REG(&adapter->hw, E1000_CTRL);
|
|
ctrl |= (E1000_CTRL_SWDPIN2 | E1000_CTRL_SWDPIN3);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_CTRL, ctrl);
|
|
wuc = E1000_READ_REG(&adapter->hw, E1000_WUC);
|
|
wuc |= (E1000_WUC_PME_EN | E1000_WUC_APME);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_WUC, wuc);
|
|
|
|
if ((adapter->hw.mac.type == e1000_ich8lan) ||
|
|
(adapter->hw.mac.type == e1000_pchlan) ||
|
|
(adapter->hw.mac.type == e1000_ich9lan) ||
|
|
(adapter->hw.mac.type == e1000_ich10lan))
|
|
e1000_suspend_workarounds_ich8lan(&adapter->hw);
|
|
|
|
/* Keep the laser running on Fiber adapters */
|
|
if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
|
|
adapter->hw.phy.media_type == e1000_media_type_internal_serdes) {
|
|
ctrl_ext = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
|
|
ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT, ctrl_ext);
|
|
}
|
|
|
|
/*
|
|
** Determine type of Wakeup: note that wol
|
|
** is set with all bits on by default.
|
|
*/
|
|
if ((if_getcapenable(ifp) & IFCAP_WOL_MAGIC) == 0)
|
|
adapter->wol &= ~E1000_WUFC_MAG;
|
|
|
|
if ((if_getcapenable(ifp) & IFCAP_WOL_UCAST) == 0)
|
|
adapter->wol &= ~E1000_WUFC_EX;
|
|
|
|
if ((if_getcapenable(ifp) & IFCAP_WOL_MCAST) == 0)
|
|
adapter->wol &= ~E1000_WUFC_MC;
|
|
else {
|
|
rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
|
|
rctl |= E1000_RCTL_MPE;
|
|
E1000_WRITE_REG(&adapter->hw, E1000_RCTL, rctl);
|
|
}
|
|
|
|
if ( adapter->hw.mac.type >= e1000_pchlan) {
|
|
if (em_enable_phy_wakeup(adapter))
|
|
return;
|
|
} else {
|
|
E1000_WRITE_REG(&adapter->hw, E1000_WUC, E1000_WUC_PME_EN);
|
|
E1000_WRITE_REG(&adapter->hw, E1000_WUFC, adapter->wol);
|
|
}
|
|
|
|
if (adapter->hw.phy.type == e1000_phy_igp_3)
|
|
e1000_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
|
|
|
|
/* Request PME */
|
|
status = pci_read_config(dev, pmc + PCIR_POWER_STATUS, 2);
|
|
status &= ~(PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE);
|
|
if (if_getcapenable(ifp) & IFCAP_WOL)
|
|
status |= PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE;
|
|
pci_write_config(dev, pmc + PCIR_POWER_STATUS, status, 2);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
** WOL in the newer chipset interfaces (pchlan)
|
|
** require thing to be copied into the phy
|
|
*/
|
|
static int
|
|
em_enable_phy_wakeup(struct adapter *adapter)
|
|
{
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
u32 mreg, ret = 0;
|
|
u16 preg;
|
|
|
|
/* copy MAC RARs to PHY RARs */
|
|
e1000_copy_rx_addrs_to_phy_ich8lan(hw);
|
|
|
|
/* copy MAC MTA to PHY MTA */
|
|
for (int i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
|
|
mreg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
|
|
e1000_write_phy_reg(hw, BM_MTA(i), (u16)(mreg & 0xFFFF));
|
|
e1000_write_phy_reg(hw, BM_MTA(i) + 1,
|
|
(u16)((mreg >> 16) & 0xFFFF));
|
|
}
|
|
|
|
/* configure PHY Rx Control register */
|
|
e1000_read_phy_reg(&adapter->hw, BM_RCTL, &preg);
|
|
mreg = E1000_READ_REG(hw, E1000_RCTL);
|
|
if (mreg & E1000_RCTL_UPE)
|
|
preg |= BM_RCTL_UPE;
|
|
if (mreg & E1000_RCTL_MPE)
|
|
preg |= BM_RCTL_MPE;
|
|
preg &= ~(BM_RCTL_MO_MASK);
|
|
if (mreg & E1000_RCTL_MO_3)
|
|
preg |= (((mreg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
|
|
<< BM_RCTL_MO_SHIFT);
|
|
if (mreg & E1000_RCTL_BAM)
|
|
preg |= BM_RCTL_BAM;
|
|
if (mreg & E1000_RCTL_PMCF)
|
|
preg |= BM_RCTL_PMCF;
|
|
mreg = E1000_READ_REG(hw, E1000_CTRL);
|
|
if (mreg & E1000_CTRL_RFCE)
|
|
preg |= BM_RCTL_RFCE;
|
|
e1000_write_phy_reg(&adapter->hw, BM_RCTL, preg);
|
|
|
|
/* enable PHY wakeup in MAC register */
|
|
E1000_WRITE_REG(hw, E1000_WUC,
|
|
E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN | E1000_WUC_APME);
|
|
E1000_WRITE_REG(hw, E1000_WUFC, adapter->wol);
|
|
|
|
/* configure and enable PHY wakeup in PHY registers */
|
|
e1000_write_phy_reg(&adapter->hw, BM_WUFC, adapter->wol);
|
|
e1000_write_phy_reg(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
|
|
|
|
/* activate PHY wakeup */
|
|
ret = hw->phy.ops.acquire(hw);
|
|
if (ret) {
|
|
printf("Could not acquire PHY\n");
|
|
return ret;
|
|
}
|
|
e1000_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
|
|
(BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
|
|
ret = e1000_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &preg);
|
|
if (ret) {
|
|
printf("Could not read PHY page 769\n");
|
|
goto out;
|
|
}
|
|
preg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
|
|
ret = e1000_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, preg);
|
|
if (ret)
|
|
printf("Could not set PHY Host Wakeup bit\n");
|
|
out:
|
|
hw->phy.ops.release(hw);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
em_if_led_func(if_ctx_t ctx, int onoff)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
|
|
if (onoff) {
|
|
e1000_setup_led(&adapter->hw);
|
|
e1000_led_on(&adapter->hw);
|
|
} else {
|
|
e1000_led_off(&adapter->hw);
|
|
e1000_cleanup_led(&adapter->hw);
|
|
}
|
|
}
|
|
|
|
/*
|
|
** Disable the L0S and L1 LINK states
|
|
*/
|
|
static void
|
|
em_disable_aspm(struct adapter *adapter)
|
|
{
|
|
int base, reg;
|
|
u16 link_cap,link_ctrl;
|
|
device_t dev = adapter->dev;
|
|
|
|
switch (adapter->hw.mac.type) {
|
|
case e1000_82573:
|
|
case e1000_82574:
|
|
case e1000_82583:
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
if (pci_find_cap(dev, PCIY_EXPRESS, &base) != 0)
|
|
return;
|
|
reg = base + PCIER_LINK_CAP;
|
|
link_cap = pci_read_config(dev, reg, 2);
|
|
if ((link_cap & PCIEM_LINK_CAP_ASPM) == 0)
|
|
return;
|
|
reg = base + PCIER_LINK_CTL;
|
|
link_ctrl = pci_read_config(dev, reg, 2);
|
|
link_ctrl &= ~PCIEM_LINK_CTL_ASPMC;
|
|
pci_write_config(dev, reg, link_ctrl, 2);
|
|
return;
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* Update the board statistics counters.
|
|
*
|
|
**********************************************************************/
|
|
static void
|
|
em_update_stats_counters(struct adapter *adapter)
|
|
{
|
|
|
|
if(adapter->hw.phy.media_type == e1000_media_type_copper ||
|
|
(E1000_READ_REG(&adapter->hw, E1000_STATUS) & E1000_STATUS_LU)) {
|
|
adapter->stats.symerrs += E1000_READ_REG(&adapter->hw, E1000_SYMERRS);
|
|
adapter->stats.sec += E1000_READ_REG(&adapter->hw, E1000_SEC);
|
|
}
|
|
adapter->stats.crcerrs += E1000_READ_REG(&adapter->hw, E1000_CRCERRS);
|
|
adapter->stats.mpc += E1000_READ_REG(&adapter->hw, E1000_MPC);
|
|
adapter->stats.scc += E1000_READ_REG(&adapter->hw, E1000_SCC);
|
|
adapter->stats.ecol += E1000_READ_REG(&adapter->hw, E1000_ECOL);
|
|
|
|
adapter->stats.mcc += E1000_READ_REG(&adapter->hw, E1000_MCC);
|
|
adapter->stats.latecol += E1000_READ_REG(&adapter->hw, E1000_LATECOL);
|
|
adapter->stats.colc += E1000_READ_REG(&adapter->hw, E1000_COLC);
|
|
adapter->stats.dc += E1000_READ_REG(&adapter->hw, E1000_DC);
|
|
adapter->stats.rlec += E1000_READ_REG(&adapter->hw, E1000_RLEC);
|
|
adapter->stats.xonrxc += E1000_READ_REG(&adapter->hw, E1000_XONRXC);
|
|
adapter->stats.xontxc += E1000_READ_REG(&adapter->hw, E1000_XONTXC);
|
|
adapter->stats.xoffrxc += E1000_READ_REG(&adapter->hw, E1000_XOFFRXC);
|
|
adapter->stats.xofftxc += E1000_READ_REG(&adapter->hw, E1000_XOFFTXC);
|
|
adapter->stats.fcruc += E1000_READ_REG(&adapter->hw, E1000_FCRUC);
|
|
adapter->stats.prc64 += E1000_READ_REG(&adapter->hw, E1000_PRC64);
|
|
adapter->stats.prc127 += E1000_READ_REG(&adapter->hw, E1000_PRC127);
|
|
adapter->stats.prc255 += E1000_READ_REG(&adapter->hw, E1000_PRC255);
|
|
adapter->stats.prc511 += E1000_READ_REG(&adapter->hw, E1000_PRC511);
|
|
adapter->stats.prc1023 += E1000_READ_REG(&adapter->hw, E1000_PRC1023);
|
|
adapter->stats.prc1522 += E1000_READ_REG(&adapter->hw, E1000_PRC1522);
|
|
adapter->stats.gprc += E1000_READ_REG(&adapter->hw, E1000_GPRC);
|
|
adapter->stats.bprc += E1000_READ_REG(&adapter->hw, E1000_BPRC);
|
|
adapter->stats.mprc += E1000_READ_REG(&adapter->hw, E1000_MPRC);
|
|
adapter->stats.gptc += E1000_READ_REG(&adapter->hw, E1000_GPTC);
|
|
|
|
/* For the 64-bit byte counters the low dword must be read first. */
|
|
/* Both registers clear on the read of the high dword */
|
|
|
|
adapter->stats.gorc += E1000_READ_REG(&adapter->hw, E1000_GORCL) +
|
|
((u64)E1000_READ_REG(&adapter->hw, E1000_GORCH) << 32);
|
|
adapter->stats.gotc += E1000_READ_REG(&adapter->hw, E1000_GOTCL) +
|
|
((u64)E1000_READ_REG(&adapter->hw, E1000_GOTCH) << 32);
|
|
|
|
adapter->stats.rnbc += E1000_READ_REG(&adapter->hw, E1000_RNBC);
|
|
adapter->stats.ruc += E1000_READ_REG(&adapter->hw, E1000_RUC);
|
|
adapter->stats.rfc += E1000_READ_REG(&adapter->hw, E1000_RFC);
|
|
adapter->stats.roc += E1000_READ_REG(&adapter->hw, E1000_ROC);
|
|
adapter->stats.rjc += E1000_READ_REG(&adapter->hw, E1000_RJC);
|
|
|
|
adapter->stats.tor += E1000_READ_REG(&adapter->hw, E1000_TORH);
|
|
adapter->stats.tot += E1000_READ_REG(&adapter->hw, E1000_TOTH);
|
|
|
|
adapter->stats.tpr += E1000_READ_REG(&adapter->hw, E1000_TPR);
|
|
adapter->stats.tpt += E1000_READ_REG(&adapter->hw, E1000_TPT);
|
|
adapter->stats.ptc64 += E1000_READ_REG(&adapter->hw, E1000_PTC64);
|
|
adapter->stats.ptc127 += E1000_READ_REG(&adapter->hw, E1000_PTC127);
|
|
adapter->stats.ptc255 += E1000_READ_REG(&adapter->hw, E1000_PTC255);
|
|
adapter->stats.ptc511 += E1000_READ_REG(&adapter->hw, E1000_PTC511);
|
|
adapter->stats.ptc1023 += E1000_READ_REG(&adapter->hw, E1000_PTC1023);
|
|
adapter->stats.ptc1522 += E1000_READ_REG(&adapter->hw, E1000_PTC1522);
|
|
adapter->stats.mptc += E1000_READ_REG(&adapter->hw, E1000_MPTC);
|
|
adapter->stats.bptc += E1000_READ_REG(&adapter->hw, E1000_BPTC);
|
|
|
|
/* Interrupt Counts */
|
|
|
|
adapter->stats.iac += E1000_READ_REG(&adapter->hw, E1000_IAC);
|
|
adapter->stats.icrxptc += E1000_READ_REG(&adapter->hw, E1000_ICRXPTC);
|
|
adapter->stats.icrxatc += E1000_READ_REG(&adapter->hw, E1000_ICRXATC);
|
|
adapter->stats.ictxptc += E1000_READ_REG(&adapter->hw, E1000_ICTXPTC);
|
|
adapter->stats.ictxatc += E1000_READ_REG(&adapter->hw, E1000_ICTXATC);
|
|
adapter->stats.ictxqec += E1000_READ_REG(&adapter->hw, E1000_ICTXQEC);
|
|
adapter->stats.ictxqmtc += E1000_READ_REG(&adapter->hw, E1000_ICTXQMTC);
|
|
adapter->stats.icrxdmtc += E1000_READ_REG(&adapter->hw, E1000_ICRXDMTC);
|
|
adapter->stats.icrxoc += E1000_READ_REG(&adapter->hw, E1000_ICRXOC);
|
|
|
|
if (adapter->hw.mac.type >= e1000_82543) {
|
|
adapter->stats.algnerrc +=
|
|
E1000_READ_REG(&adapter->hw, E1000_ALGNERRC);
|
|
adapter->stats.rxerrc +=
|
|
E1000_READ_REG(&adapter->hw, E1000_RXERRC);
|
|
adapter->stats.tncrs +=
|
|
E1000_READ_REG(&adapter->hw, E1000_TNCRS);
|
|
adapter->stats.cexterr +=
|
|
E1000_READ_REG(&adapter->hw, E1000_CEXTERR);
|
|
adapter->stats.tsctc +=
|
|
E1000_READ_REG(&adapter->hw, E1000_TSCTC);
|
|
adapter->stats.tsctfc +=
|
|
E1000_READ_REG(&adapter->hw, E1000_TSCTFC);
|
|
}
|
|
}
|
|
|
|
static uint64_t
|
|
em_if_get_counter(if_ctx_t ctx, ift_counter cnt)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct ifnet *ifp = iflib_get_ifp(ctx);
|
|
|
|
switch (cnt) {
|
|
case IFCOUNTER_COLLISIONS:
|
|
return (adapter->stats.colc);
|
|
case IFCOUNTER_IERRORS:
|
|
return (adapter->dropped_pkts + adapter->stats.rxerrc +
|
|
adapter->stats.crcerrs + adapter->stats.algnerrc +
|
|
adapter->stats.ruc + adapter->stats.roc +
|
|
adapter->stats.mpc + adapter->stats.cexterr);
|
|
case IFCOUNTER_OERRORS:
|
|
return (adapter->stats.ecol + adapter->stats.latecol +
|
|
adapter->watchdog_events);
|
|
default:
|
|
return (if_get_counter_default(ifp, cnt));
|
|
}
|
|
}
|
|
|
|
/* Export a single 32-bit register via a read-only sysctl. */
|
|
static int
|
|
em_sysctl_reg_handler(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct adapter *adapter;
|
|
u_int val;
|
|
|
|
adapter = oidp->oid_arg1;
|
|
val = E1000_READ_REG(&adapter->hw, oidp->oid_arg2);
|
|
return (sysctl_handle_int(oidp, &val, 0, req));
|
|
}
|
|
|
|
/*
|
|
* Add sysctl variables, one per statistic, to the system.
|
|
*/
|
|
static void
|
|
em_add_hw_stats(struct adapter *adapter)
|
|
{
|
|
device_t dev = iflib_get_dev(adapter->ctx);
|
|
struct em_tx_queue *tx_que = adapter->tx_queues;
|
|
struct em_rx_queue *rx_que = adapter->rx_queues;
|
|
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev);
|
|
struct sysctl_oid *tree = device_get_sysctl_tree(dev);
|
|
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
|
|
struct e1000_hw_stats *stats = &adapter->stats;
|
|
|
|
struct sysctl_oid *stat_node, *queue_node, *int_node;
|
|
struct sysctl_oid_list *stat_list, *queue_list, *int_list;
|
|
|
|
#define QUEUE_NAME_LEN 32
|
|
char namebuf[QUEUE_NAME_LEN];
|
|
|
|
/* Driver Statistics */
|
|
SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "dropped",
|
|
CTLFLAG_RD, &adapter->dropped_pkts,
|
|
"Driver dropped packets");
|
|
SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "link_irq",
|
|
CTLFLAG_RD, &adapter->link_irq,
|
|
"Link MSIX IRQ Handled");
|
|
SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "mbuf_defrag_fail",
|
|
CTLFLAG_RD, &adapter->mbuf_defrag_failed,
|
|
"Defragmenting mbuf chain failed");
|
|
SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "tx_dma_fail",
|
|
CTLFLAG_RD, &adapter->no_tx_dma_setup,
|
|
"Driver tx dma failure in xmit");
|
|
SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "rx_overruns",
|
|
CTLFLAG_RD, &adapter->rx_overruns,
|
|
"RX overruns");
|
|
SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "watchdog_timeouts",
|
|
CTLFLAG_RD, &adapter->watchdog_events,
|
|
"Watchdog timeouts");
|
|
|
|
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "device_control",
|
|
CTLTYPE_UINT | CTLFLAG_RD, adapter, E1000_CTRL,
|
|
em_sysctl_reg_handler, "IU",
|
|
"Device Control Register");
|
|
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rx_control",
|
|
CTLTYPE_UINT | CTLFLAG_RD, adapter, E1000_RCTL,
|
|
em_sysctl_reg_handler, "IU",
|
|
"Receiver Control Register");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "fc_high_water",
|
|
CTLFLAG_RD, &adapter->hw.fc.high_water, 0,
|
|
"Flow Control High Watermark");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "fc_low_water",
|
|
CTLFLAG_RD, &adapter->hw.fc.low_water, 0,
|
|
"Flow Control Low Watermark");
|
|
|
|
for (int i = 0; i < adapter->tx_num_queues; i++, tx_que++) {
|
|
struct tx_ring *txr = &tx_que->txr;
|
|
snprintf(namebuf, QUEUE_NAME_LEN, "queue_tx_%d", i);
|
|
queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf,
|
|
CTLFLAG_RD, NULL, "TX Queue Name");
|
|
queue_list = SYSCTL_CHILDREN(queue_node);
|
|
|
|
SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "txd_head",
|
|
CTLTYPE_UINT | CTLFLAG_RD, adapter,
|
|
E1000_TDH(txr->me),
|
|
em_sysctl_reg_handler, "IU",
|
|
"Transmit Descriptor Head");
|
|
SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "txd_tail",
|
|
CTLTYPE_UINT | CTLFLAG_RD, adapter,
|
|
E1000_TDT(txr->me),
|
|
em_sysctl_reg_handler, "IU",
|
|
"Transmit Descriptor Tail");
|
|
SYSCTL_ADD_ULONG(ctx, queue_list, OID_AUTO, "tx_irq",
|
|
CTLFLAG_RD, &txr->tx_irq,
|
|
"Queue MSI-X Transmit Interrupts");
|
|
SYSCTL_ADD_ULONG(ctx, queue_list, OID_AUTO, "no_desc_avail",
|
|
CTLFLAG_RD, &txr->no_desc_avail,
|
|
"Queue No Descriptor Available");
|
|
}
|
|
|
|
for (int j = 0; j < adapter->rx_num_queues; j++, rx_que++) {
|
|
struct rx_ring *rxr = &rx_que->rxr;
|
|
snprintf(namebuf, QUEUE_NAME_LEN, "queue_rx_%d", j);
|
|
queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf,
|
|
CTLFLAG_RD, NULL, "RX Queue Name");
|
|
queue_list = SYSCTL_CHILDREN(queue_node);
|
|
|
|
SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "rxd_head",
|
|
CTLTYPE_UINT | CTLFLAG_RD, adapter,
|
|
E1000_RDH(rxr->me),
|
|
em_sysctl_reg_handler, "IU",
|
|
"Receive Descriptor Head");
|
|
SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "rxd_tail",
|
|
CTLTYPE_UINT | CTLFLAG_RD, adapter,
|
|
E1000_RDT(rxr->me),
|
|
em_sysctl_reg_handler, "IU",
|
|
"Receive Descriptor Tail");
|
|
SYSCTL_ADD_ULONG(ctx, queue_list, OID_AUTO, "rx_irq",
|
|
CTLFLAG_RD, &rxr->rx_irq,
|
|
"Queue MSI-X Receive Interrupts");
|
|
}
|
|
|
|
/* MAC stats get their own sub node */
|
|
|
|
stat_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "mac_stats",
|
|
CTLFLAG_RD, NULL, "Statistics");
|
|
stat_list = SYSCTL_CHILDREN(stat_node);
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "excess_coll",
|
|
CTLFLAG_RD, &stats->ecol,
|
|
"Excessive collisions");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "single_coll",
|
|
CTLFLAG_RD, &stats->scc,
|
|
"Single collisions");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "multiple_coll",
|
|
CTLFLAG_RD, &stats->mcc,
|
|
"Multiple collisions");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "late_coll",
|
|
CTLFLAG_RD, &stats->latecol,
|
|
"Late collisions");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "collision_count",
|
|
CTLFLAG_RD, &stats->colc,
|
|
"Collision Count");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "symbol_errors",
|
|
CTLFLAG_RD, &adapter->stats.symerrs,
|
|
"Symbol Errors");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "sequence_errors",
|
|
CTLFLAG_RD, &adapter->stats.sec,
|
|
"Sequence Errors");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "defer_count",
|
|
CTLFLAG_RD, &adapter->stats.dc,
|
|
"Defer Count");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "missed_packets",
|
|
CTLFLAG_RD, &adapter->stats.mpc,
|
|
"Missed Packets");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_no_buff",
|
|
CTLFLAG_RD, &adapter->stats.rnbc,
|
|
"Receive No Buffers");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_undersize",
|
|
CTLFLAG_RD, &adapter->stats.ruc,
|
|
"Receive Undersize");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_fragmented",
|
|
CTLFLAG_RD, &adapter->stats.rfc,
|
|
"Fragmented Packets Received ");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_oversize",
|
|
CTLFLAG_RD, &adapter->stats.roc,
|
|
"Oversized Packets Received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_jabber",
|
|
CTLFLAG_RD, &adapter->stats.rjc,
|
|
"Recevied Jabber");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_errs",
|
|
CTLFLAG_RD, &adapter->stats.rxerrc,
|
|
"Receive Errors");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "crc_errs",
|
|
CTLFLAG_RD, &adapter->stats.crcerrs,
|
|
"CRC errors");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "alignment_errs",
|
|
CTLFLAG_RD, &adapter->stats.algnerrc,
|
|
"Alignment Errors");
|
|
/* On 82575 these are collision counts */
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "coll_ext_errs",
|
|
CTLFLAG_RD, &adapter->stats.cexterr,
|
|
"Collision/Carrier extension errors");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xon_recvd",
|
|
CTLFLAG_RD, &adapter->stats.xonrxc,
|
|
"XON Received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xon_txd",
|
|
CTLFLAG_RD, &adapter->stats.xontxc,
|
|
"XON Transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xoff_recvd",
|
|
CTLFLAG_RD, &adapter->stats.xoffrxc,
|
|
"XOFF Received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xoff_txd",
|
|
CTLFLAG_RD, &adapter->stats.xofftxc,
|
|
"XOFF Transmitted");
|
|
|
|
/* Packet Reception Stats */
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_pkts_recvd",
|
|
CTLFLAG_RD, &adapter->stats.tpr,
|
|
"Total Packets Received ");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_recvd",
|
|
CTLFLAG_RD, &adapter->stats.gprc,
|
|
"Good Packets Received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_recvd",
|
|
CTLFLAG_RD, &adapter->stats.bprc,
|
|
"Broadcast Packets Received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_recvd",
|
|
CTLFLAG_RD, &adapter->stats.mprc,
|
|
"Multicast Packets Received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_64",
|
|
CTLFLAG_RD, &adapter->stats.prc64,
|
|
"64 byte frames received ");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_65_127",
|
|
CTLFLAG_RD, &adapter->stats.prc127,
|
|
"65-127 byte frames received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_128_255",
|
|
CTLFLAG_RD, &adapter->stats.prc255,
|
|
"128-255 byte frames received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_256_511",
|
|
CTLFLAG_RD, &adapter->stats.prc511,
|
|
"256-511 byte frames received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_512_1023",
|
|
CTLFLAG_RD, &adapter->stats.prc1023,
|
|
"512-1023 byte frames received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_1024_1522",
|
|
CTLFLAG_RD, &adapter->stats.prc1522,
|
|
"1023-1522 byte frames received");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_recvd",
|
|
CTLFLAG_RD, &adapter->stats.gorc,
|
|
"Good Octets Received");
|
|
|
|
/* Packet Transmission Stats */
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_txd",
|
|
CTLFLAG_RD, &adapter->stats.gotc,
|
|
"Good Octets Transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_pkts_txd",
|
|
CTLFLAG_RD, &adapter->stats.tpt,
|
|
"Total Packets Transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_txd",
|
|
CTLFLAG_RD, &adapter->stats.gptc,
|
|
"Good Packets Transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_txd",
|
|
CTLFLAG_RD, &adapter->stats.bptc,
|
|
"Broadcast Packets Transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_txd",
|
|
CTLFLAG_RD, &adapter->stats.mptc,
|
|
"Multicast Packets Transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_64",
|
|
CTLFLAG_RD, &adapter->stats.ptc64,
|
|
"64 byte frames transmitted ");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_65_127",
|
|
CTLFLAG_RD, &adapter->stats.ptc127,
|
|
"65-127 byte frames transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_128_255",
|
|
CTLFLAG_RD, &adapter->stats.ptc255,
|
|
"128-255 byte frames transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_256_511",
|
|
CTLFLAG_RD, &adapter->stats.ptc511,
|
|
"256-511 byte frames transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_512_1023",
|
|
CTLFLAG_RD, &adapter->stats.ptc1023,
|
|
"512-1023 byte frames transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_1024_1522",
|
|
CTLFLAG_RD, &adapter->stats.ptc1522,
|
|
"1024-1522 byte frames transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tso_txd",
|
|
CTLFLAG_RD, &adapter->stats.tsctc,
|
|
"TSO Contexts Transmitted");
|
|
SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tso_ctx_fail",
|
|
CTLFLAG_RD, &adapter->stats.tsctfc,
|
|
"TSO Contexts Failed");
|
|
|
|
|
|
/* Interrupt Stats */
|
|
|
|
int_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "interrupts",
|
|
CTLFLAG_RD, NULL, "Interrupt Statistics");
|
|
int_list = SYSCTL_CHILDREN(int_node);
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "asserts",
|
|
CTLFLAG_RD, &adapter->stats.iac,
|
|
"Interrupt Assertion Count");
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "rx_pkt_timer",
|
|
CTLFLAG_RD, &adapter->stats.icrxptc,
|
|
"Interrupt Cause Rx Pkt Timer Expire Count");
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "rx_abs_timer",
|
|
CTLFLAG_RD, &adapter->stats.icrxatc,
|
|
"Interrupt Cause Rx Abs Timer Expire Count");
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "tx_pkt_timer",
|
|
CTLFLAG_RD, &adapter->stats.ictxptc,
|
|
"Interrupt Cause Tx Pkt Timer Expire Count");
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "tx_abs_timer",
|
|
CTLFLAG_RD, &adapter->stats.ictxatc,
|
|
"Interrupt Cause Tx Abs Timer Expire Count");
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "tx_queue_empty",
|
|
CTLFLAG_RD, &adapter->stats.ictxqec,
|
|
"Interrupt Cause Tx Queue Empty Count");
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "tx_queue_min_thresh",
|
|
CTLFLAG_RD, &adapter->stats.ictxqmtc,
|
|
"Interrupt Cause Tx Queue Min Thresh Count");
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "rx_desc_min_thresh",
|
|
CTLFLAG_RD, &adapter->stats.icrxdmtc,
|
|
"Interrupt Cause Rx Desc Min Thresh Count");
|
|
|
|
SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "rx_overrun",
|
|
CTLFLAG_RD, &adapter->stats.icrxoc,
|
|
"Interrupt Cause Receiver Overrun Count");
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* This routine provides a way to dump out the adapter eeprom,
|
|
* often a useful debug/service tool. This only dumps the first
|
|
* 32 words, stuff that matters is in that extent.
|
|
*
|
|
**********************************************************************/
|
|
static int
|
|
em_sysctl_nvm_info(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct adapter *adapter = (struct adapter *)arg1;
|
|
int error;
|
|
int result;
|
|
|
|
result = -1;
|
|
error = sysctl_handle_int(oidp, &result, 0, req);
|
|
|
|
if (error || !req->newptr)
|
|
return (error);
|
|
|
|
/*
|
|
* This value will cause a hex dump of the
|
|
* first 32 16-bit words of the EEPROM to
|
|
* the screen.
|
|
*/
|
|
if (result == 1)
|
|
em_print_nvm_info(adapter);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
em_print_nvm_info(struct adapter *adapter)
|
|
{
|
|
u16 eeprom_data;
|
|
int i, j, row = 0;
|
|
|
|
/* Its a bit crude, but it gets the job done */
|
|
printf("\nInterface EEPROM Dump:\n");
|
|
printf("Offset\n0x0000 ");
|
|
for (i = 0, j = 0; i < 32; i++, j++) {
|
|
if (j == 8) { /* Make the offset block */
|
|
j = 0; ++row;
|
|
printf("\n0x00%x0 ",row);
|
|
}
|
|
e1000_read_nvm(&adapter->hw, i, 1, &eeprom_data);
|
|
printf("%04x ", eeprom_data);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
static int
|
|
em_sysctl_int_delay(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct em_int_delay_info *info;
|
|
struct adapter *adapter;
|
|
u32 regval;
|
|
int error, usecs, ticks;
|
|
|
|
info = (struct em_int_delay_info *)arg1;
|
|
usecs = info->value;
|
|
error = sysctl_handle_int(oidp, &usecs, 0, req);
|
|
if (error != 0 || req->newptr == NULL)
|
|
return (error);
|
|
if (usecs < 0 || usecs > EM_TICKS_TO_USECS(65535))
|
|
return (EINVAL);
|
|
info->value = usecs;
|
|
ticks = EM_USECS_TO_TICKS(usecs);
|
|
if (info->offset == E1000_ITR) /* units are 256ns here */
|
|
ticks *= 4;
|
|
|
|
adapter = info->adapter;
|
|
|
|
regval = E1000_READ_OFFSET(&adapter->hw, info->offset);
|
|
regval = (regval & ~0xffff) | (ticks & 0xffff);
|
|
/* Handle a few special cases. */
|
|
switch (info->offset) {
|
|
case E1000_RDTR:
|
|
break;
|
|
case E1000_TIDV:
|
|
if (ticks == 0) {
|
|
adapter->txd_cmd &= ~E1000_TXD_CMD_IDE;
|
|
/* Don't write 0 into the TIDV register. */
|
|
regval++;
|
|
} else
|
|
adapter->txd_cmd |= E1000_TXD_CMD_IDE;
|
|
break;
|
|
}
|
|
E1000_WRITE_OFFSET(&adapter->hw, info->offset, regval);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
em_add_int_delay_sysctl(struct adapter *adapter, const char *name,
|
|
const char *description, struct em_int_delay_info *info,
|
|
int offset, int value)
|
|
{
|
|
info->adapter = adapter;
|
|
info->offset = offset;
|
|
info->value = value;
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(adapter->dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(adapter->dev)),
|
|
OID_AUTO, name, CTLTYPE_INT|CTLFLAG_RW,
|
|
info, 0, em_sysctl_int_delay, "I", description);
|
|
}
|
|
|
|
static void
|
|
em_set_sysctl_value(struct adapter *adapter, const char *name,
|
|
const char *description, int *limit, int value)
|
|
{
|
|
*limit = value;
|
|
SYSCTL_ADD_INT(device_get_sysctl_ctx(adapter->dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(adapter->dev)),
|
|
OID_AUTO, name, CTLFLAG_RW, limit, value, description);
|
|
}
|
|
|
|
|
|
/*
|
|
** Set flow control using sysctl:
|
|
** Flow control values:
|
|
** 0 - off
|
|
** 1 - rx pause
|
|
** 2 - tx pause
|
|
** 3 - full
|
|
*/
|
|
static int
|
|
em_set_flowcntl(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
int error;
|
|
static int input = 3; /* default is full */
|
|
struct adapter *adapter = (struct adapter *) arg1;
|
|
|
|
error = sysctl_handle_int(oidp, &input, 0, req);
|
|
|
|
if ((error) || (req->newptr == NULL))
|
|
return (error);
|
|
|
|
if (input == adapter->fc) /* no change? */
|
|
return (error);
|
|
|
|
switch (input) {
|
|
case e1000_fc_rx_pause:
|
|
case e1000_fc_tx_pause:
|
|
case e1000_fc_full:
|
|
case e1000_fc_none:
|
|
adapter->hw.fc.requested_mode = input;
|
|
adapter->fc = input;
|
|
break;
|
|
default:
|
|
/* Do nothing */
|
|
return (error);
|
|
}
|
|
|
|
adapter->hw.fc.current_mode = adapter->hw.fc.requested_mode;
|
|
e1000_force_mac_fc(&adapter->hw);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
** Manage Energy Efficient Ethernet:
|
|
** Control values:
|
|
** 0/1 - enabled/disabled
|
|
*/
|
|
static int
|
|
em_sysctl_eee(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct adapter *adapter = (struct adapter *) arg1;
|
|
int error, value;
|
|
|
|
value = adapter->hw.dev_spec.ich8lan.eee_disable;
|
|
error = sysctl_handle_int(oidp, &value, 0, req);
|
|
if (error || req->newptr == NULL)
|
|
return (error);
|
|
adapter->hw.dev_spec.ich8lan.eee_disable = (value != 0);
|
|
em_if_init(adapter->ctx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
em_sysctl_debug_info(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct adapter *adapter;
|
|
int error;
|
|
int result;
|
|
|
|
result = -1;
|
|
error = sysctl_handle_int(oidp, &result, 0, req);
|
|
|
|
if (error || !req->newptr)
|
|
return (error);
|
|
|
|
if (result == 1) {
|
|
adapter = (struct adapter *)arg1;
|
|
em_print_debug_info(adapter);
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
** This routine is meant to be fluid, add whatever is
|
|
** needed for debugging a problem. -jfv
|
|
*/
|
|
static void
|
|
em_print_debug_info(struct adapter *adapter)
|
|
{
|
|
device_t dev = adapter->dev;
|
|
struct tx_ring *txr = &adapter->tx_queues->txr;
|
|
struct rx_ring *rxr = &adapter->rx_queues->rxr;
|
|
|
|
if (if_getdrvflags(adapter->ifp) & IFF_DRV_RUNNING)
|
|
printf("Interface is RUNNING ");
|
|
else
|
|
printf("Interface is NOT RUNNING\n");
|
|
|
|
if (if_getdrvflags(adapter->ifp) & IFF_DRV_OACTIVE)
|
|
printf("and INACTIVE\n");
|
|
else
|
|
printf("and ACTIVE\n");
|
|
|
|
for (int i = 0; i < adapter->tx_num_queues; i++, txr++) {
|
|
device_printf(dev, "TX Queue %d ------\n", i);
|
|
device_printf(dev, "hw tdh = %d, hw tdt = %d\n",
|
|
E1000_READ_REG(&adapter->hw, E1000_TDH(i)),
|
|
E1000_READ_REG(&adapter->hw, E1000_TDT(i)));
|
|
|
|
}
|
|
for (int j=0; j < adapter->rx_num_queues; j++, rxr++) {
|
|
device_printf(dev, "RX Queue %d ------\n", j);
|
|
device_printf(dev, "hw rdh = %d, hw rdt = %d\n",
|
|
E1000_READ_REG(&adapter->hw, E1000_RDH(j)),
|
|
E1000_READ_REG(&adapter->hw, E1000_RDT(j)));
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* 82574 only:
|
|
* Write a new value to the EEPROM increasing the number of MSIX
|
|
* vectors from 3 to 5, for proper multiqueue support.
|
|
*/
|
|
static void
|
|
em_enable_vectors_82574(if_ctx_t ctx)
|
|
{
|
|
struct adapter *adapter = iflib_get_softc(ctx);
|
|
struct e1000_hw *hw = &adapter->hw;
|
|
device_t dev = iflib_get_dev(ctx);
|
|
u16 edata;
|
|
|
|
e1000_read_nvm(hw, EM_NVM_PCIE_CTRL, 1, &edata);
|
|
printf("Current cap: %#06x\n", edata);
|
|
if (((edata & EM_NVM_MSIX_N_MASK) >> EM_NVM_MSIX_N_SHIFT) != 4) {
|
|
device_printf(dev, "Writing to eeprom: increasing "
|
|
"reported MSIX vectors from 3 to 5...\n");
|
|
edata &= ~(EM_NVM_MSIX_N_MASK);
|
|
edata |= 4 << EM_NVM_MSIX_N_SHIFT;
|
|
e1000_write_nvm(hw, EM_NVM_PCIE_CTRL, 1, &edata);
|
|
e1000_update_nvm_checksum(hw);
|
|
device_printf(dev, "Writing to eeprom: done\n");
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef DDB
|
|
DB_COMMAND(em_reset_dev, em_ddb_reset_dev)
|
|
{
|
|
devclass_t dc;
|
|
int max_em;
|
|
|
|
dc = devclass_find("em");
|
|
max_em = devclass_get_maxunit(dc);
|
|
|
|
for (int index = 0; index < (max_em - 1); index++) {
|
|
device_t dev;
|
|
dev = devclass_get_device(dc, index);
|
|
if (device_get_driver(dev) == &em_driver) {
|
|
struct adapter *adapter = device_get_softc(dev);
|
|
em_if_init(adapter->ctx);
|
|
}
|
|
}
|
|
}
|
|
DB_COMMAND(em_dump_queue, em_ddb_dump_queue)
|
|
{
|
|
devclass_t dc;
|
|
int max_em;
|
|
|
|
dc = devclass_find("em");
|
|
max_em = devclass_get_maxunit(dc);
|
|
|
|
for (int index = 0; index < (max_em - 1); index++) {
|
|
device_t dev;
|
|
dev = devclass_get_device(dc, index);
|
|
if (device_get_driver(dev) == &em_driver)
|
|
em_print_debug_info(device_get_softc(dev));
|
|
}
|
|
|
|
}
|
|
#endif
|