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https://github.com/freebsd/freebsd-src
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015f8cc5b0
Signed-off-by: Eric Joyner <erj@FreeBSD.org> MFC after: 3 days Sponsored by: Intel Corporation Differential Revision: https://reviews.freebsd.org/D44003
155 lines
5.9 KiB
C
155 lines
5.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
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/* Copyright (c) 2024, 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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/**
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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_irdma
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* @brief boolean indicating if the iRDMA client interface is enabled
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*
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* Global sysctl variable indicating whether the RDMA client interface feature
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* is enabled.
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*/
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bool ice_enable_irdma = true;
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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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/**
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* @var ice_enable_health_events
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* @brief boolean indicating if health status events from the FW should be reported
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*
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* Global sysctl variable indicating whether the Health Status events from the
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* FW should be enabled. If true, if an event occurs, the driver will print out
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* a message with a description of the event and possible actions to take.
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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_health_events = true;
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/**
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* @var ice_tx_balance_en
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* @brief boolean permitting the 5-layer scheduler topology enablement
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*
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* Global sysctl variable indicating whether the driver will allow the
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* 5-layer scheduler topology feature to be enabled. It's _not_
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* specifically enabling the feature, just allowing it depending on what
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* the DDP package allows.
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*/
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bool ice_tx_balance_en = true;
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/**
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* @var ice_rdma_max_msix
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* @brief maximum number of MSI-X vectors to reserve for RDMA interface
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*
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* Global sysctl variable indicating the maximum number of MSI-X vectors to
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* reserve for a single RDMA interface.
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*/
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static uint16_t ice_rdma_max_msix = ICE_RDMA_MAX_MSIX;
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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, OID_AUTO, enable_health_events, CTLFLAG_RDTUN,
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&ice_enable_health_events, 0,
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"Enable FW health event reporting globally");
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SYSCTL_BOOL(_hw_ice, OID_AUTO, irdma, CTLFLAG_RDTUN, &ice_enable_irdma, 0,
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"Enable iRDMA client interface");
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SYSCTL_U16(_hw_ice, OID_AUTO, rdma_max_msix, CTLFLAG_RDTUN, &ice_rdma_max_msix,
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0, "Maximum number of MSI-X vectors to reserve per RDMA interface");
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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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SYSCTL_BOOL(_hw_ice_debug, OID_AUTO, tx_balance_en, CTLFLAG_RWTUN,
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&ice_tx_balance_en, 0,
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"Enable 5-layer scheduler topology");
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#endif /* _ICE_COMMON_SYSCTLS_H_ */
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