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/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright (c) 2021, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*$FreeBSD$*/
/**
* @file ice_common_sysctls.h
* @brief driver wide sysctls not related to the iflib stack
*
* Contains static sysctl values which are driver wide and configure all
* devices of the driver at once.
*
* Device specific sysctls are setup by functions in ice_lib.c
*/
#ifndef _ICE_COMMON_SYSCTLS_H_
#define _ICE_COMMON_SYSCTLS_H_
#include <sys/sysctl.h>
/**
* @var ice_enable_irdma
* @brief boolean indicating if the iRDMA client interface is enabled
*
* Global sysctl variable indicating whether the RDMA client interface feature
* is enabled.
*/
bool ice_enable_irdma = true;
/**
* @var ice_enable_tx_fc_filter
* @brief boolean indicating if the Tx Flow Control filter should be enabled
*
* Global sysctl variable indicating whether the Tx Flow Control filters
* should be enabled. If true, Ethertype 0x8808 packets will be dropped if
* they come from non-HW sources. If false, packets coming from software will
* not be dropped. Leave this on if unless you must send flow control frames
* (or other control frames) from software.
*
* @remark each PF has a separate sysctl which can override this value.
*/
bool ice_enable_tx_fc_filter = true;
/**
* @var ice_enable_tx_lldp_filter
* @brief boolean indicating if the Tx LLDP filter should be enabled
*
* Global sysctl variable indicating whether the Tx Flow Control filters
* should be enabled. If true, Ethertype 0x88cc packets will be dropped if
* they come from non-HW sources. If false, packets coming from software will
* not be dropped. Leave this on if unless you must send LLDP frames from
* software.
*
* @remark each PF has a separate sysctl which can override this value.
*/
bool ice_enable_tx_lldp_filter = true;
/**
* @var ice_enable_health_events
* @brief boolean indicating if health status events from the FW should be reported
*
* Global sysctl variable indicating whether the Health Status events from the
* FW should be enabled. If true, if an event occurs, the driver will print out
* a message with a description of the event and possible actions to take.
*
* @remark each PF has a separate sysctl which can override this value.
*/
bool ice_enable_health_events = true;
/**
* @var ice_rdma_max_msix
* @brief maximum number of MSI-X vectors to reserve for RDMA interface
*
* Global sysctl variable indicating the maximum number of MSI-X vectors to
* reserve for a single RDMA interface.
*/
static uint16_t ice_rdma_max_msix = ICE_RDMA_MAX_MSIX;
/* sysctls marked as tunable, (i.e. with the CTLFLAG_TUN set) will
* automatically load tunable values, without the need to manually create the
* TUNABLE definition.
*
* This works since at least FreeBSD 11, and was backported into FreeBSD 10
* before the FreeBSD 10.1-RELEASE.
*
* If the tunable needs a custom loader, mark the SYSCTL as CTLFLAG_NOFETCH,
* and create the tunable manually.
*/
static SYSCTL_NODE(_hw, OID_AUTO, ice, CTLFLAG_RD, 0, "ICE driver parameters");
static SYSCTL_NODE(_hw_ice, OID_AUTO, debug, ICE_CTLFLAG_DEBUG | CTLFLAG_RD, 0,
"ICE driver debug parameters");
SYSCTL_BOOL(_hw_ice, OID_AUTO, enable_health_events, CTLFLAG_RDTUN,
&ice_enable_health_events, 0,
"Enable FW health event reporting globally");
SYSCTL_BOOL(_hw_ice, OID_AUTO, irdma, CTLFLAG_RDTUN, &ice_enable_irdma, 0,
"Enable iRDMA client interface");
SYSCTL_U16(_hw_ice, OID_AUTO, rdma_max_msix, CTLFLAG_RDTUN, &ice_rdma_max_msix,
0, "Maximum number of MSI-X vectors to reserve per RDMA interface");
SYSCTL_BOOL(_hw_ice_debug, OID_AUTO, enable_tx_fc_filter, CTLFLAG_RDTUN,
&ice_enable_tx_fc_filter, 0,
"Drop Ethertype 0x8808 control frames originating from non-HW sources");
SYSCTL_BOOL(_hw_ice_debug, OID_AUTO, enable_tx_lldp_filter, CTLFLAG_RDTUN,
&ice_enable_tx_lldp_filter, 0,
"Drop Ethertype 0x88cc LLDP frames originating from non-HW sources");
#endif /* _ICE_COMMON_SYSCTLS_H_ */
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