/* SPDX-License-Identifier: BSD-3-Clause */ /* Copyright (c) 2020, 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_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; /* 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_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_ */ |