71d104536b
The ice(4) driver is the driver for the Intel E8xx series Ethernet controllers; currently with codenames Columbiaville and Columbia Park. These new controllers support 100G speeds, as well as introducing more queues, better virtualization support, and more offload capabilities. Future work will enable virtual functions (like in ixl(4)) and the other functionality outlined above. For full functionality, the kernel should be compiled with "device ice_ddp" like in the amd64 NOTES file, and/or ice_ddp_load="YES" should be added to /boot/loader.conf so that the DDP package file included in this commit can be downloaded to the adapter. Otherwise, the adapter will fall back to a single queue mode with limited functionality. A man page for this driver will be forthcoming. MFC after: 1 month Relnotes: yes Sponsored by: Intel Corporation Differential Revision: https://reviews.freebsd.org/D21959
101 lines
4.1 KiB
C
101 lines
4.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
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/* Copyright (c) 2020, Intel Corporation
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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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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* 3. Neither the name of the Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*$FreeBSD$*/
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/**
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* @file ice_common_sysctls.h
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* @brief driver wide sysctls not related to the iflib stack
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*
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* Contains static sysctl values which are driver wide and configure all
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* devices of the driver at once.
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*
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* Device specific sysctls are setup by functions in ice_lib.c
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*/
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#ifndef _ICE_COMMON_SYSCTLS_H_
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#define _ICE_COMMON_SYSCTLS_H_
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#include <sys/sysctl.h>
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/**
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* @var ice_enable_tx_fc_filter
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* @brief boolean indicating if the Tx Flow Control filter should be enabled
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*
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* Global sysctl variable indicating whether the Tx Flow Control filters
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* should be enabled. If true, Ethertype 0x8808 packets will be dropped if
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* they come from non-HW sources. If false, packets coming from software will
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* not be dropped. Leave this on if unless you must send flow control frames
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* (or other control frames) from software.
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*
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* @remark each PF has a separate sysctl which can override this value.
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*/
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bool ice_enable_tx_fc_filter = true;
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/**
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* @var ice_enable_tx_lldp_filter
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* @brief boolean indicating if the Tx LLDP filter should be enabled
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*
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* Global sysctl variable indicating whether the Tx Flow Control filters
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* should be enabled. If true, Ethertype 0x88cc packets will be dropped if
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* they come from non-HW sources. If false, packets coming from software will
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* not be dropped. Leave this on if unless you must send LLDP frames from
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* software.
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*
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* @remark each PF has a separate sysctl which can override this value.
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*/
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bool ice_enable_tx_lldp_filter = true;
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/* sysctls marked as tunable, (i.e. with the CTLFLAG_TUN set) will
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* automatically load tunable values, without the need to manually create the
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* TUNABLE definition.
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*
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* This works since at least FreeBSD 11, and was backported into FreeBSD 10
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* before the FreeBSD 10.1-RELEASE.
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*
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* If the tunable needs a custom loader, mark the SYSCTL as CTLFLAG_NOFETCH,
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* and create the tunable manually.
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*/
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static SYSCTL_NODE(_hw, OID_AUTO, ice, CTLFLAG_RD, 0, "ICE driver parameters");
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static SYSCTL_NODE(_hw_ice, OID_AUTO, debug, ICE_CTLFLAG_DEBUG | CTLFLAG_RD, 0,
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"ICE driver debug parameters");
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SYSCTL_BOOL(_hw_ice_debug, OID_AUTO, enable_tx_fc_filter, CTLFLAG_RDTUN,
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&ice_enable_tx_fc_filter, 0,
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"Drop Ethertype 0x8808 control frames originating from non-HW sources");
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SYSCTL_BOOL(_hw_ice_debug, OID_AUTO, enable_tx_lldp_filter, CTLFLAG_RDTUN,
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&ice_enable_tx_lldp_filter, 0,
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"Drop Ethertype 0x88cc LLDP frames originating from non-HW sources");
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#endif /* _ICE_COMMON_SYSCTLS_H_ */
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