diff options
Diffstat (limited to 'share/man/man4')
63 files changed, 461 insertions, 84 deletions
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile index 1ba1fe46523e..1d708cfda019 100644 --- a/share/man/man4/Makefile +++ b/share/man/man4/Makefile @@ -8,6 +8,9 @@ MANPACKAGE= kernel # the doc repository); otherwise the automatically generated hardware # notes will not include your driver. +# If you enable a driver for a different architecture, please remember +# to update the arch specifier in the document title of the manual. + MAN= aac.4 \ aacraid.4 \ acpi.4 \ @@ -594,6 +597,7 @@ MAN= aac.4 \ tty.4 \ tun.4 \ tws.4 \ + u2f.4 \ udp.4 \ udplite.4 \ ${_ufshci.4} \ @@ -846,7 +850,7 @@ _cpuctl.4= cpuctl.4 _dpms.4= dpms.4 _ftgpio.4= ftgpio.4 _ftwd.4= ftwd.4 -_hn.4= _hn.4 +_hn.4= hn.4 _hpt27xx.4= hpt27xx.4 _hptiop.4= hptiop.4 _hptmv.4= hptmv.4 diff --git a/share/man/man4/ata.4 b/share/man/man4/ata.4 index feea1dd3cc85..29b6bbef6838 100644 --- a/share/man/man4/ata.4 +++ b/share/man/man4/ata.4 @@ -155,7 +155,9 @@ The .Va hw.ata.ata_dma_check_80pin tunable can be set to 0 to disable this check. .Sh HARDWARE -The currently supported ATA/SATA controller chips are: +The +.Nm +driver supports the IDE interface on the following ATA/SATA controllers: .Pp .Bl -tag -width "Silicon Image:" -compact .It Acard: diff --git a/share/man/man4/dtrace_lockstat.4 b/share/man/man4/dtrace_lockstat.4 index e308ca6c22ce..448de91a375f 100644 --- a/share/man/man4/dtrace_lockstat.4 +++ b/share/man/man4/dtrace_lockstat.4 @@ -22,12 +22,12 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd August 20, 2019 +.Dd September 3, 2025 .Dt DTRACE_LOCKSTAT 4 .Os .Sh NAME .Nm dtrace_lockstat -.Nd a DTrace provider for tracing CPU scheduling events +.Nd a DTrace provider for tracing kernel locking events .Sh SYNOPSIS .Fn lockstat:::adaptive-acquire "struct mtx *" .Fn lockstat:::adaptive-release "struct mtx *" diff --git a/share/man/man4/epair.4 b/share/man/man4/epair.4 index 342b15b5612a..b406c423361b 100644 --- a/share/man/man4/epair.4 +++ b/share/man/man4/epair.4 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd August 12, 2025 +.Dd September 4, 2025 .Dt EPAIR 4 .Os .Sh NAME @@ -108,6 +108,29 @@ As with any other Ethernet interface, can have a .Xr vlan 4 configured on top of it. +.Pp +The +.Nm +has RXCSUM and RXCSUM6 enabled because it may receive a packet where the +checksum has already been validated by a physical interface. +The +.Nm +supports TXCSUM and TXCSUM6 for TCP and UDP, but only by forwarding the order +to compute the checksum. +Thus, when using an +.Nm +interface, a TCP or UDP sender can offload checksum computation +to a physical interface. +Note that, in case the packet does not leave the host, the checksum is +unnecessary and will be ignored if offloaded. +Such packets contain an incorrect checksum, since it is not computed yet. +TXCSUM and TXCSUM6 are synchronized between the +.Nm +interface pair (i.e., enabling/disabling the capability on one end +enables/disables it on the other end). +In case one end is in a bridge and the bridge disabled TXCSUM or TXCSUM6, +this avoids a sender to send packets with checksum offloading into the +bridge by using the other end. .Sh SEE ALSO .Xr ioctl 2 , .Xr altq 4 , diff --git a/share/man/man4/gif.4 b/share/man/man4/gif.4 index ad33d5d21e81..cc12d91b72ea 100644 --- a/share/man/man4/gif.4 +++ b/share/man/man4/gif.4 @@ -28,7 +28,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd July 14, 2025 +.Dd August 27, 2025 .Dt GIF 4 .Os .Sh NAME @@ -55,6 +55,16 @@ does not perform GRE encapsulation; use .Xr gre 4 for GRE encapsulation. .Pp +The +.Nm +interface can also tunnel Ethernet traffic over IPv4 or IPv6 +when combined with a +.Xr if_bridge 4 +interface using EtherIP protocol. +See +.Xr if_bridge 4 +for detailed setup. +.Pp Each .Nm interface is created at runtime using interface cloning. @@ -316,6 +326,13 @@ to the desired level of nesting. .%D December 1999 .%O draft-ietf-ipsec-ecn-02.txt .Re +.Rs +.%A R. Housley +.%A S. Hollenbeck +.%T EtherIP: Tunneling Ethernet Frames in IP Datagrams +.%R RFC 3378 +.%D September 2002 +.Re .\" .Sh HISTORY The diff --git a/share/man/man4/gpio.4 b/share/man/man4/gpio.4 index 9a629ff402fd..b84bfb01de51 100644 --- a/share/man/man4/gpio.4 +++ b/share/man/man4/gpio.4 @@ -1,3 +1,6 @@ +.\" +.\" SPDX-License-Identifier: BSD-2-Clause +.\" .\" Copyright (c) 2013, Sean Bruno <sbruno@freebsd.org> .\" All rights reserved. .\" @@ -22,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd June 27, 2019 +.Dd August 28, 2025 .Dt GPIO 4 .Os .Sh NAME @@ -33,7 +36,6 @@ To compile these devices into your kernel and use the device hints, place the following lines in your kernel configuration file: .Bd -ragged -offset indent .Cd "device gpio" -.Cd "device gpioc" .Cd "device gpioiic" .Cd "device gpioled" .Ed diff --git a/share/man/man4/gpioled.4 b/share/man/man4/gpioled.4 index 646e2ff2a8f0..45457d20d298 100644 --- a/share/man/man4/gpioled.4 +++ b/share/man/man4/gpioled.4 @@ -70,7 +70,20 @@ Which pin on the GPIO interface to map to this instance. Please note that this mask should only ever have one bit set (any other bits - i.e., pins - will be ignored). .It Va hint.gpioled.%d.invert -If set to 1, the pin will be set to 0 to light the LED, and 1 to clear it. +Use pin inversion. If set to 1, the pin will be set to 0 to light the LED, and 1 +to clear it. +.It Va hint.gpioled.%d.invmode +Whether or not to use hardware support when pin inversion is requested. Must be +one of: +.Bl -tag +.It Va auto +Use hardware pin inversion if available, else fallback to software pin +inversion. This is the default. +.It Va hw +Use hardware pin inversion. +.It Va sw +Use software pin inversion. +.El .It Va hint.gpioled.%d.state The initial state of the LED when the driver takes control over it. If set to 1 or 0, the LED will be on or off correspondingly. diff --git a/share/man/man4/iflib.4 b/share/man/man4/iflib.4 index 0114263e6ca2..2040698f0087 100644 --- a/share/man/man4/iflib.4 +++ b/share/man/man4/iflib.4 @@ -1,4 +1,4 @@ -.Dd September 27, 2018 +.Dd August 20, 2025 .Dt IFLIB 4 .Os .Sh NAME @@ -64,6 +64,18 @@ If this is zero or not set, an RX and TX queue pair will be assigned to each core. When set to a non-zero value, TX queues are assigned to cores following the last RX queue. +.It Va simple_tx +When set to one, iflib uses a simple transmit routine with no queuing at all. +By default, iflib uses a highly optimized, lockless, transmit queue called +mp_ring. +This performs well when there are more CPU cores than NIC +queues and prevents lock contention for transmit resources. +Unfortunately, mp_ring incurs unneeded overheads on workloads where +resource contention is not a problem (well behaved applications on +systems where there are as many NIC queues as CPU cores). +Note that when this is enabled, the tx_abdicate sysctl is no longer +applicable and is ignored. +Defaults to zero. .El .Pp These diff --git a/share/man/man4/ioat.4 b/share/man/man4/ioat.4 index deef466c0ae0..1c0e1dd49fd1 100644 --- a/share/man/man4/ioat.4 +++ b/share/man/man4/ioat.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd May 3, 2016 -.Dt IOAT 4 +.Dt IOAT 4 amd64 .Os .Sh NAME .Nm I/OAT diff --git a/share/man/man4/iwlwifi.4 b/share/man/man4/iwlwifi.4 index 4a251f239a55..660f6a9bf57c 100644 --- a/share/man/man4/iwlwifi.4 +++ b/share/man/man4/iwlwifi.4 @@ -27,7 +27,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd June 13, 2025 +.Dd August 19, 2025 .Dt IWLWIFI 4 .Os .Sh NAME @@ -331,7 +331,7 @@ driver first appeared in 802.11n and 802.11ac support for the 22000 and later chipsets first appeared in .Fx 14.3 . .Sh BUGS -Certainly. +.Lk https://bugs.freebsd.org/bugzilla/showdependencytree.cgi?id=iwlwifi "iwlwifi known bugs" .Pp While .Nm diff --git a/share/man/man4/iwx.4 b/share/man/man4/iwx.4 index 7cd54d61b920..295a5f318afa 100644 --- a/share/man/man4/iwx.4 +++ b/share/man/man4/iwx.4 @@ -18,7 +18,7 @@ .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd May 2, 2025 -.Dt IWX 4 +.Dt IWX 4 amd64 .Os .Sh NAME .Nm iwx diff --git a/share/man/man4/man4.aarch64/armv8crypto.4 b/share/man/man4/man4.aarch64/armv8crypto.4 index 7b8704395daf..0f763adc5766 100644 --- a/share/man/man4/man4.aarch64/armv8crypto.4 +++ b/share/man/man4/man4.aarch64/armv8crypto.4 @@ -25,7 +25,7 @@ .\" SUCH DAMAGE. .\" .Dd July 29, 2020 -.Dt ARMV8CRYPTO 4 +.Dt ARMV8CRYPTO 4 aarch64 .Os .Sh NAME .Nm armv8crypto diff --git a/share/man/man4/man4.aarch64/enetc.4 b/share/man/man4/man4.aarch64/enetc.4 index 33f796347f96..e7cfcb7ebe0e 100644 --- a/share/man/man4/man4.aarch64/enetc.4 +++ b/share/man/man4/man4.aarch64/enetc.4 @@ -25,7 +25,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd June 11, 2021 -.Dt ENETC 4 +.Dt ENETC 4 aarch64 .Os .Sh NAME .Nm enetc diff --git a/share/man/man4/man4.aarch64/felix.4 b/share/man/man4/man4.aarch64/felix.4 index 15caef6d274f..b97f3c2168e8 100644 --- a/share/man/man4/man4.aarch64/felix.4 +++ b/share/man/man4/man4.aarch64/felix.4 @@ -26,7 +26,7 @@ .\" SUCH DAMAGE. .\" .Dd June 21, 2021 -.Dt FELIX 4 +.Dt FELIX 4 aarch64 .Os .Sh NAME .Nm felix diff --git a/share/man/man4/man4.aarch64/rk_gpio.4 b/share/man/man4/man4.aarch64/rk_gpio.4 index b5648662cf5e..b2767dd66dce 100644 --- a/share/man/man4/man4.aarch64/rk_gpio.4 +++ b/share/man/man4/man4.aarch64/rk_gpio.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd Apr 26, 2018 -.Dt RK_GPIO 4 +.Dt RK_GPIO 4 aarch64 .Os .Sh NAME .Nm rk_gpio diff --git a/share/man/man4/man4.aarch64/rk_grf.4 b/share/man/man4/man4.aarch64/rk_grf.4 index 64ed468c1983..b01a93091ecb 100644 --- a/share/man/man4/man4.aarch64/rk_grf.4 +++ b/share/man/man4/man4.aarch64/rk_grf.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd Apr 26, 2018 -.Dt RK_GRF 4 +.Dt RK_GRF 4 aarch64 .Os .Sh NAME .Nm rk_grf diff --git a/share/man/man4/man4.aarch64/rk_grf_gpio.4 b/share/man/man4/man4.aarch64/rk_grf_gpio.4 index 6a5ebbe19e3b..2bfbebce1b76 100644 --- a/share/man/man4/man4.aarch64/rk_grf_gpio.4 +++ b/share/man/man4/man4.aarch64/rk_grf_gpio.4 @@ -4,7 +4,7 @@ .\" SPDX-License-Identifier: BSD-2-Clause .\" .Dd March 18, 2025 -.Dt RK_GRF_GPIO 4 +.Dt RK_GRF_GPIO 4 aarch64 .Os .Sh NAME .Nm rk_grf_gpio diff --git a/share/man/man4/man4.aarch64/rk_i2c.4 b/share/man/man4/man4.aarch64/rk_i2c.4 index be1a0fab943e..363cdeac7f72 100644 --- a/share/man/man4/man4.aarch64/rk_i2c.4 +++ b/share/man/man4/man4.aarch64/rk_i2c.4 @@ -25,7 +25,7 @@ .\" SUCH DAMAGE. .\" .Dd June 14, 2018 -.Dt RK_I2C 4 +.Dt RK_I2C 4 aarch64 .Os .Sh NAME .Nm rk_i2c diff --git a/share/man/man4/man4.aarch64/rk_pinctrl.4 b/share/man/man4/man4.aarch64/rk_pinctrl.4 index 519b3e793cd1..2be5f363498d 100644 --- a/share/man/man4/man4.aarch64/rk_pinctrl.4 +++ b/share/man/man4/man4.aarch64/rk_pinctrl.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd Apr 26, 2018 -.Dt RK_PINCTRL 4 +.Dt RK_PINCTRL 4 aarch64 .Os .Sh NAME .Nm rk_pinctrl diff --git a/share/man/man4/man4.arm/am335x_dmtpps.4 b/share/man/man4/man4.arm/am335x_dmtpps.4 index d565c65e2cf1..bec5ff7726a0 100644 --- a/share/man/man4/man4.arm/am335x_dmtpps.4 +++ b/share/man/man4/man4.arm/am335x_dmtpps.4 @@ -24,7 +24,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd August 12, 2015 -.Dt AM335X_DMTPPS 4 +.Dt AM335X_DMTPPS 4 arm .Os .Sh NAME .Nm am335x_dmtpps diff --git a/share/man/man4/man4.arm/aw_gpio.4 b/share/man/man4/man4.arm/aw_gpio.4 index 5cbc7562d9bd..ef9fc1fe2733 100644 --- a/share/man/man4/man4.arm/aw_gpio.4 +++ b/share/man/man4/man4.arm/aw_gpio.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd October 8, 2024 -.Dt AW_GPIO 4 +.Dt AW_GPIO 4 arm .Os .Sh NAME .Nm aw_gpio diff --git a/share/man/man4/man4.arm/aw_mmc.4 b/share/man/man4/man4.arm/aw_mmc.4 index eb7fc9ce020a..e3f961fa5067 100644 --- a/share/man/man4/man4.arm/aw_mmc.4 +++ b/share/man/man4/man4.arm/aw_mmc.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd Dec 25, 2017 -.Dt AW_MMC 4 +.Dt AW_MMC 4 arm .Os .Sh NAME .Nm aw_mmc diff --git a/share/man/man4/man4.arm/aw_rtc.4 b/share/man/man4/man4.arm/aw_rtc.4 index 1296cd41da68..87212d85116c 100644 --- a/share/man/man4/man4.arm/aw_rtc.4 +++ b/share/man/man4/man4.arm/aw_rtc.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd December 10, 2024 -.Dt AW_RTC 4 +.Dt AW_RTC 4 arm .Os .Sh NAME .Nm aw_rtc diff --git a/share/man/man4/man4.arm/aw_sid.4 b/share/man/man4/man4.arm/aw_sid.4 index 5cd2f3d5e072..8b3691259f22 100644 --- a/share/man/man4/man4.arm/aw_sid.4 +++ b/share/man/man4/man4.arm/aw_sid.4 @@ -25,7 +25,7 @@ .\" SUCH DAMAGE. .\" .Dd October 8, 2024 -.Dt AW_SID 4 +.Dt AW_SID 4 arm .Os .Sh NAME .Nm aw_sid diff --git a/share/man/man4/man4.arm/aw_spi.4 b/share/man/man4/man4.arm/aw_spi.4 index f8985e1c16bb..d0566a45b54b 100644 --- a/share/man/man4/man4.arm/aw_spi.4 +++ b/share/man/man4/man4.arm/aw_spi.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd May 17, 2018 -.Dt AW_SPI 4 +.Dt AW_SPI 4 arm .Os .Sh NAME .Nm aw_spi diff --git a/share/man/man4/man4.arm/aw_syscon.4 b/share/man/man4/man4.arm/aw_syscon.4 index e32f329e489a..97f01196a8a6 100644 --- a/share/man/man4/man4.arm/aw_syscon.4 +++ b/share/man/man4/man4.arm/aw_syscon.4 @@ -25,7 +25,7 @@ .\" SUCH DAMAGE. .\" .Dd November 11, 2024 -.Dt AW_SYSCON 4 +.Dt AW_SYSCON 4 arm .Os .Sh NAME .Nm aw_syscon diff --git a/share/man/man4/man4.arm/bcm283x_pwm.4 b/share/man/man4/man4.arm/bcm283x_pwm.4 index 1fb5a830ace7..71d7f0cc3cca 100644 --- a/share/man/man4/man4.arm/bcm283x_pwm.4 +++ b/share/man/man4/man4.arm/bcm283x_pwm.4 @@ -25,7 +25,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd September 10, 2018 -.Dt BCM283X_PWM 4 +.Dt BCM283X_PWM 4 arm .Os .Sh NAME .Nm bcm283x_pwm diff --git a/share/man/man4/man4.arm/devcfg.4 b/share/man/man4/man4.arm/devcfg.4 index ddf368a85f24..cbc205814c69 100644 --- a/share/man/man4/man4.arm/devcfg.4 +++ b/share/man/man4/man4.arm/devcfg.4 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .Dd February 28, 2013 -.Dt DEVCFG 4 +.Dt DEVCFG 4 arm .Os .Sh NAME .Nm devcfg diff --git a/share/man/man4/man4.arm/imx6_ahci.4 b/share/man/man4/man4.arm/imx6_ahci.4 index 9979cef50d79..50689e323db8 100644 --- a/share/man/man4/man4.arm/imx6_ahci.4 +++ b/share/man/man4/man4.arm/imx6_ahci.4 @@ -24,7 +24,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd July 7, 2018 -.Dt IMX6_AHCI 4 +.Dt IMX6_AHCI 4 arm .Os .Sh NAME .Nm imx6_ahci diff --git a/share/man/man4/man4.arm/imx6_snvs.4 b/share/man/man4/man4.arm/imx6_snvs.4 index b36c3ddd91c1..2c1db97b231c 100644 --- a/share/man/man4/man4.arm/imx6_snvs.4 +++ b/share/man/man4/man4.arm/imx6_snvs.4 @@ -24,7 +24,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd July 8, 2018 -.Dt IMX6_SNVS 4 +.Dt IMX6_SNVS 4 arm .Os .Sh NAME .Nm imx6_snvs diff --git a/share/man/man4/man4.arm/imx_spi.4 b/share/man/man4/man4.arm/imx_spi.4 index e7555ed20d94..54a5339e3276 100644 --- a/share/man/man4/man4.arm/imx_spi.4 +++ b/share/man/man4/man4.arm/imx_spi.4 @@ -24,7 +24,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd July 9, 2018 -.Dt IMX_SPI 4 +.Dt IMX_SPI 4 arm .Os .Sh NAME .Nm imx_spi diff --git a/share/man/man4/man4.arm/imx_wdog.4 b/share/man/man4/man4.arm/imx_wdog.4 index 4b993e1d066b..cb4d0e13865b 100644 --- a/share/man/man4/man4.arm/imx_wdog.4 +++ b/share/man/man4/man4.arm/imx_wdog.4 @@ -24,7 +24,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd July 7, 2018 -.Dt IMX_WDOG 4 +.Dt IMX_WDOG 4 arm .Os .Sh NAME .Nm imx_wdog diff --git a/share/man/man4/man4.arm/mge.4 b/share/man/man4/man4.arm/mge.4 index e949b36f4307..cba9327eadcf 100644 --- a/share/man/man4/man4.arm/mge.4 +++ b/share/man/man4/man4.arm/mge.4 @@ -24,7 +24,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd November 27, 2008 -.Dt MGE 4 +.Dt MGE 4 arm .Os .Sh NAME .Nm mge diff --git a/share/man/man4/man4.arm/ti_adc.4 b/share/man/man4/man4.arm/ti_adc.4 index d71547231e4c..fb59e1d3e57c 100644 --- a/share/man/man4/man4.arm/ti_adc.4 +++ b/share/man/man4/man4.arm/ti_adc.4 @@ -23,7 +23,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd June 1, 2014 -.Dt TI_ADC 4 +.Dt TI_ADC 4 arm .Os .Sh NAME .Nm ti_adc diff --git a/share/man/man4/man4.powerpc/abtn.4 b/share/man/man4/man4.powerpc/abtn.4 index 92d643d5cf32..7421d0a0b5a6 100644 --- a/share/man/man4/man4.powerpc/abtn.4 +++ b/share/man/man4/man4.powerpc/abtn.4 @@ -25,7 +25,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd October 16, 2011 -.Dt ABTN 4 +.Dt ABTN 4 powerpc .Os .Sh NAME .Nm abtn diff --git a/share/man/man4/man4.powerpc/adb.4 b/share/man/man4/man4.powerpc/adb.4 index a781787995ab..6041484b5e33 100644 --- a/share/man/man4/man4.powerpc/adb.4 +++ b/share/man/man4/man4.powerpc/adb.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd December 3, 2009 -.Dt ADB 4 +.Dt ADB 4 powerpc .Os .Sh NAME .Nm adb diff --git a/share/man/man4/man4.powerpc/akbd.4 b/share/man/man4/man4.powerpc/akbd.4 index 44af08961122..3406f5a1aa76 100644 --- a/share/man/man4/man4.powerpc/akbd.4 +++ b/share/man/man4/man4.powerpc/akbd.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd December 3, 2009 -.Dt AKBD 4 +.Dt AKBD 4 powerpc .Os .Sh NAME .Nm akbd diff --git a/share/man/man4/man4.powerpc/ams.4 b/share/man/man4/man4.powerpc/ams.4 index 21be3c098920..d7fa922e7307 100644 --- a/share/man/man4/man4.powerpc/ams.4 +++ b/share/man/man4/man4.powerpc/ams.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd December 3, 2009 -.Dt AMS 4 +.Dt AMS 4 powerpc .Os .Sh NAME .Nm ams diff --git a/share/man/man4/man4.powerpc/cuda.4 b/share/man/man4/man4.powerpc/cuda.4 index 7171ebb42373..a52b9a447c9d 100644 --- a/share/man/man4/man4.powerpc/cuda.4 +++ b/share/man/man4/man4.powerpc/cuda.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd December 3, 2009 -.Dt CUDA 4 +.Dt CUDA 4 powerpc .Os .Sh NAME .Nm cuda diff --git a/share/man/man4/man4.powerpc/dtsec.4 b/share/man/man4/man4.powerpc/dtsec.4 index 4a60dd0b8824..f18de90c4757 100644 --- a/share/man/man4/man4.powerpc/dtsec.4 +++ b/share/man/man4/man4.powerpc/dtsec.4 @@ -24,7 +24,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd October 31, 2017 -.Dt DTSEC 4 +.Dt DTSEC 4 powerpc .Os .Sh NAME .Nm dtsec diff --git a/share/man/man4/man4.powerpc/llan.4 b/share/man/man4/man4.powerpc/llan.4 index c32ddbca6a00..b78109cac626 100644 --- a/share/man/man4/man4.powerpc/llan.4 +++ b/share/man/man4/man4.powerpc/llan.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd February 19, 2015 -.Dt LLAN 4 +.Dt LLAN 4 powerpc .Os .Sh NAME .Nm llan diff --git a/share/man/man4/man4.powerpc/pmu.4 b/share/man/man4/man4.powerpc/pmu.4 index 6eac20cfa6b7..4dfb31f175bd 100644 --- a/share/man/man4/man4.powerpc/pmu.4 +++ b/share/man/man4/man4.powerpc/pmu.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd December 6, 2008 -.Dt PMU 4 +.Dt PMU 4 powerpc .Os .Sh NAME .Nm pmu diff --git a/share/man/man4/man4.powerpc/smu.4 b/share/man/man4/man4.powerpc/smu.4 index ef2654746e62..852a08abaa9e 100644 --- a/share/man/man4/man4.powerpc/smu.4 +++ b/share/man/man4/man4.powerpc/smu.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd February 22, 2010 -.Dt SMU 4 +.Dt SMU 4 powerpc .Os .Sh NAME .Nm smu diff --git a/share/man/man4/man4.powerpc/snd_ai2s.4 b/share/man/man4/man4.powerpc/snd_ai2s.4 index 3880751e65c9..7a3cd9cb94af 100644 --- a/share/man/man4/man4.powerpc/snd_ai2s.4 +++ b/share/man/man4/man4.powerpc/snd_ai2s.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd January 20, 2009 -.Dt SND_AI2S 4 +.Dt SND_AI2S 4 powerpc .Os .Sh NAME .Nm snd_ai2s diff --git a/share/man/man4/man4.powerpc/snd_davbus.4 b/share/man/man4/man4.powerpc/snd_davbus.4 index 6958ebd4b4b5..028225accf52 100644 --- a/share/man/man4/man4.powerpc/snd_davbus.4 +++ b/share/man/man4/man4.powerpc/snd_davbus.4 @@ -24,7 +24,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd January 20, 2009 -.Dt SND_DAVBUS 4 +.Dt SND_DAVBUS 4 powerpc .Os .Sh NAME .Nm snd_davbus diff --git a/share/man/man4/man4.powerpc/tsec.4 b/share/man/man4/man4.powerpc/tsec.4 index b3ccae648ab8..09510e329ff0 100644 --- a/share/man/man4/man4.powerpc/tsec.4 +++ b/share/man/man4/man4.powerpc/tsec.4 @@ -24,7 +24,7 @@ .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd February 20, 2015 -.Dt TSEC 4 +.Dt TSEC 4 powerpc .Os .Sh NAME .Nm tsec diff --git a/share/man/man4/nvdimm.4 b/share/man/man4/nvdimm.4 index 5b7dbe435c46..2bec51b42d72 100644 --- a/share/man/man4/nvdimm.4 +++ b/share/man/man4/nvdimm.4 @@ -26,7 +26,7 @@ .\" SUCH DAMAGE. .\" .Dd September 5, 2019 -.Dt NVDIMM 4 +.Dt NVDIMM 4 amd64 .Os .Sh NAME .Nm nvdimm diff --git a/share/man/man4/pci.4 b/share/man/man4/pci.4 index 91fbb557f644..b99747969035 100644 --- a/share/man/man4/pci.4 +++ b/share/man/man4/pci.4 @@ -22,7 +22,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd April 2, 2025 +.Dd August 31, 2025 .Dt PCI 4 .Os .Sh NAME @@ -235,6 +235,17 @@ revision ID. Driver name. .It pd_unit Driver unit number. +.It pd_numa_domain +Driver NUMA domain. +.It pc_reported_len +Length of the valid portion of the encompassing +.Vt pci_conf +structure. +This should always be equivalent to the offset of the +.Va pc_spare +member. +.It pc_spare +Reserved for future use. .El .It offset The offset is passed in by the user to tell the kernel where it should diff --git a/share/man/man4/puc.4 b/share/man/man4/puc.4 index a29376d3f2d5..624c215027af 100644 --- a/share/man/man4/puc.4 +++ b/share/man/man4/puc.4 @@ -257,6 +257,8 @@ Sunix SER5xxxx 8/4/2 port serial .It Syba Tech Ltd PCI-4S2P-550-ECP .It +Systembase SB16C1054/8 4/8 port serial +.It Titan PCI-800H/PCI-200H .It VScom: diff --git a/share/man/man4/qlnxe.4 b/share/man/man4/qlnxe.4 index f545235ec1ff..70bad789add1 100644 --- a/share/man/man4/qlnxe.4 +++ b/share/man/man4/qlnxe.4 @@ -24,7 +24,7 @@ .\" SUCH DAMAGE. .\" .Dd May 9, 2017 -.Dt QLNXE 4 +.Dt QLNXE 4 amd64 .Os .Sh NAME .Nm qlnxe diff --git a/share/man/man4/qlxgb.4 b/share/man/man4/qlxgb.4 index 4bf8000d15da..cc97cd060a3f 100644 --- a/share/man/man4/qlxgb.4 +++ b/share/man/man4/qlxgb.4 @@ -24,7 +24,7 @@ .\" SUCH DAMAGE. .\" .Dd November 3, 2011 -.Dt QLXGB 4 +.Dt QLXGB 4 amd64 .Os .Sh NAME .Nm qlxgb diff --git a/share/man/man4/qlxgbe.4 b/share/man/man4/qlxgbe.4 index 486a5ec0f682..465e4fc018ad 100644 --- a/share/man/man4/qlxgbe.4 +++ b/share/man/man4/qlxgbe.4 @@ -24,7 +24,7 @@ .\" SUCH DAMAGE. .\" .Dd April 1, 2013 -.Dt QLXGBE 4 +.Dt QLXGBE 4 amd64 .Os .Sh NAME .Nm qlxgbe diff --git a/share/man/man4/qlxge.4 b/share/man/man4/qlxge.4 index 4723c56ff68b..14a1e1284fab 100644 --- a/share/man/man4/qlxge.4 +++ b/share/man/man4/qlxge.4 @@ -24,7 +24,7 @@ .\" SUCH DAMAGE. .\" .Dd June 21, 2013 -.Dt QLXGE 4 +.Dt QLXGE 4 amd64 .Os .Sh NAME .Nm qlxge diff --git a/share/man/man4/sfxge.4 b/share/man/man4/sfxge.4 index a9724074581e..ea35cf3e573c 100644 --- a/share/man/man4/sfxge.4 +++ b/share/man/man4/sfxge.4 @@ -27,7 +27,7 @@ .\" policies, either expressed or implied, of the FreeBSD Project. .\" .Dd February 22, 2015 -.Dt SFXGE 4 +.Dt SFXGE 4 amd64 .Os .Sh NAME .Nm sfxge diff --git a/share/man/man4/smartpqi.4 b/share/man/man4/smartpqi.4 index 5b7ea923e13e..f5fab85d13bd 100644 --- a/share/man/man4/smartpqi.4 +++ b/share/man/man4/smartpqi.4 @@ -25,7 +25,7 @@ .\" SUCH DAMAGE. .\" .Dd August 24, 2023 -.Dt SMARTPQI 4 +.Dt SMARTPQI 4 amd64 .Os .Sh NAME .Nm smartpqi diff --git a/share/man/man4/sume.4 b/share/man/man4/sume.4 index 219328a4f4c4..b36f924875e6 100644 --- a/share/man/man4/sume.4 +++ b/share/man/man4/sume.4 @@ -25,7 +25,7 @@ .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd August 30, 2020 -.Dt SUME 4 +.Dt SUME 4 amd64 .Os .Sh NAME .Nm sume diff --git a/share/man/man4/syncache.4 b/share/man/man4/syncache.4 index e92502fd15ff..f83e9b083e45 100644 --- a/share/man/man4/syncache.4 +++ b/share/man/man4/syncache.4 @@ -10,7 +10,7 @@ .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" -.Dd April 12, 2021 +.Dd August 30, 2025 .Dt SYNCACHE 4 .Os .Sh NAME @@ -39,6 +39,8 @@ MIBs for controlling TCP SYN caching .Nm sysctl Cm net.inet.tcp.syncache.count .It .Nm sysctl Cm net.inet.tcp.syncache.see_other +.It +.Nm sysctl Cm net.inet.tcp.syncache.rst_on_sock_fail .El .Sh DESCRIPTION The @@ -107,6 +109,18 @@ and run only with set .Va net.inet.tcp.syncookies_only to 1. +To use +.Nm syncookies +to handle bucket overflows in the +.Nm syncache +set +.Va net.inet.tcp.syncookies +to 1. +The default value for +.Va net.inet.tcp.syncookies_only +is 0 and the default value for +.Va net.inet.tcp.syncookies +is 1. .Pp The .Nm @@ -169,6 +183,9 @@ However, extra .Xr ucred 9 referencing is required on every incoming SYN packet processed. The default is off. +.It Va rst_on_sock_fail +Send a TCP RST segment if the socket allocation fails. +The default is on. .El .Pp Statistics on the performance of the @@ -206,8 +223,16 @@ Entries dropped due to ICMP unreachable messages. Failures to allocate new .Nm entry. +.It Li "cookies sent" +SYN cookies sent in SYN ACK segments. .It Li "cookies received" -Connections created from segment containing ACK. +ACK segments with valid syncookies which resulted in TCP connection +establishment. +.It Li "spurious cookies rejected" +Received ACKs, for which the syncache lookup failed and also no syncookie was +recently sent. +.It Li "failed cookies rejected" +Received ACKs for which the syncookie validation failed. .El .Sh SEE ALSO .Xr netstat 1 , diff --git a/share/man/man4/tap.4 b/share/man/man4/tap.4 index 95a681a923d2..a4fe98cdfecf 100644 --- a/share/man/man4/tap.4 +++ b/share/man/man4/tap.4 @@ -203,6 +203,21 @@ The argument should be a pointer to a The interface name will be returned in the .Va ifr_name field. +.It Dv TAPSTRANSIENT +The argument should be a pointer to an +.Va int ; +this sets the transient flag on +the +.Nm +device. +A transient +.Nm +will be destroyed upon last close. +.It Dv TAPGTRANSIENT +The argument should be a pointer to an +.Va int ; +this stores the current state (enabled or disabled) of the transient flag into +it. .It Dv FIONBIO Turn non-blocking I/O for reads off or on, according as the argument .Va int Ns 's diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4 index fcfda42908d8..3c9f4ff83f3d 100644 --- a/share/man/man4/tcp.4 +++ b/share/man/man4/tcp.4 @@ -31,7 +31,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd June 27, 2025 +.Dd September 5, 2025 .Dt TCP 4 .Os .Sh NAME @@ -940,9 +940,6 @@ maximum segment size. This helps throughput in general, but particularly affects short transfers and high-bandwidth large propagation-delay connections. -.It Va rfc6675_pipe -Deprecated and superseded by -.Va sack.revised .It Va sack.enable Enable support for RFC 2018, TCP Selective Acknowledgment option, which allows the receiver to inform the sender about all successfully @@ -974,6 +971,11 @@ recovery, the trailing segment is immediately resent, rather than waiting for a Retransmission timeout. Finally, SACK loss recovery is also engaged, once two segments plus one byte are SACKed - even if no traditional duplicate ACKs were observed. +.Va sack.revised +is deprecated and will be removed in +.Fx 16 . +.Va sack.enable +will always follow RFC6675. .It Va sendbuf_auto Enable automatic send buffer sizing. .It Va sendbuf_auto_lowat diff --git a/share/man/man4/tun.4 b/share/man/man4/tun.4 index 58f67cb20acb..1c5bd35f0ab8 100644 --- a/share/man/man4/tun.4 +++ b/share/man/man4/tun.4 @@ -282,6 +282,21 @@ The argument should be a pointer to an the ioctl sets the value to one if the device is in .Dq multi-af mode, and zero otherwise. +.It Dv TUNSTRANSIENT +The argument should be a pointer to an +.Va int ; +this sets the transient flag on +the +.Nm +device. +A transient +.Nm +will be destroyed upon last close. +.It Dv TUNGTRANSIENT +The argument should be a pointer to an +.Va int ; +this stores the current state (enabled or disabled) of the transient flag into +it. .It Dv FIONBIO Turn non-blocking I/O for reads off or on, according as the argument .Vt int Ns 's diff --git a/share/man/man4/u2f.4 b/share/man/man4/u2f.4 new file mode 100644 index 000000000000..4c51e140242e --- /dev/null +++ b/share/man/man4/u2f.4 @@ -0,0 +1,96 @@ +.\" +.\" SPDX-License-Identifier: ISC +.\" +.\" $OpenBSD: fido.4,v 1.4 2020/08/21 19:02:46 mglocker Exp $ +.\" +.\" Copyright (c) 2019 Reyk Floeter <reyk@openbsd.org> +.\" Copyright (c) 2023 Vladimir Kondratyev <wulf@FreeBSD.org> +.\" +.\" Permission to use, copy, modify, and distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +.\" +.Dd August 21, 2023 +.Dt U2F 4 +.Os +.Sh NAME +.Nm u2f +.Nd FIDO/U2F USB security keys +.Sh SYNOPSIS +.Cd "device u2f" +.Pp +In +.Xr loader.conf 5 : +.Cd u2f_load="YES" +.Pp +In +.Xr sysctl.conf 5 : +.Cd hw.hid.u2f.debug +.Sh DESCRIPTION +The +.Nm +driver provides support for FIDO/U2F-compatible USB security keys. +They are Human Interface Devices (HID) which can be accessed via the +.Pa /dev/u2f/N +interface. +.Pp +The driver is compatible with the +.Xr read 2 , +.Xr write 2 , +and +.Xr ioctl 2 +operations of the generic +.Xr uhid 4 +device but only accepts the optional HID +.Xr ioctl 2 +calls from u2f group users. +.Sh HARDWARE +The +.Nm +driver supports FIDO/U2F-compatible USB security keys. +.Sh SYSCTL VARIABLES +The following variables are available as both +.Xr sysctl 8 +variables and +.Xr loader 8 +tunables: +.Bl -tag -width indent +.It Va hw.hid.u2f.debug +Debug output level, where 0 is debugging disabled and larger values increase +debug message verbosity. +Default is 0. +.El +.Sh FILES +.Bl -tag -width /dev/u2f/* -compact +.It Pa /dev/u2f/* +.El +.Sh SEE ALSO +.Xr uhid 4 , +.Xr usbhid 4 , +.Xr usb 4 +.Sh HISTORY +The +.Nm +driver first appeared in +.Fx 15.0 . +.Sh AUTHORS +.An -nosplit +The +.Nm +driver was written by +.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org . +.Pp +This manual page was written by +.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org +based on the +.Ox +.Xr fido 4 +manual page. diff --git a/share/man/man4/umb.4 b/share/man/man4/umb.4 index 7ecc9a39c1ca..37c86b3074f5 100644 --- a/share/man/man4/umb.4 +++ b/share/man/man4/umb.4 @@ -17,34 +17,33 @@ .\" .\" $NetBSD: umb.4,v 1.4 2019/08/30 09:22:17 wiz Exp $ .\" -.Dd May 11, 2025 +.Dd September 3, 2025 .Dt UMB 4 .Os .Sh NAME .Nm umb .Nd USB Mobile Broadband Interface Model (MBIM) cellular modem driver .Sh SYNOPSIS -To compile this driver into the kernel, -place the following lines in your -kernel configuration file: -.Bd -ragged -offset indent .Cd "device usb" .Cd "device umb" -.Ed .Pp -Alternatively, to load the driver as a -module at boot time, place the following line in +In .Xr loader.conf 5 : -.Bd -literal -offset indent -umb_load="YES" -.Ed -.Pp -If neither of the above is done, the driver will automatically be loaded -by devd(8) when the device is connected. +.Cd umb_load="YES" .Sh DESCRIPTION The .Nm driver provides support for USB MBIM devices. +If the appropriate hardware is detected, +the driver will be loaded automatically by +.Xr devmatch 8 . +To load the driver manually, +.Cm load +it in +.Xr loader.conf 5 +or at the +.Xr loader 8 +prompt. .Pp MBIM devices establish connections via cellular networks such as GPRS, UMTS, and LTE. diff --git a/share/man/man4/vtnet.4 b/share/man/man4/vtnet.4 index 8b99cd9f17b9..67a835050422 100644 --- a/share/man/man4/vtnet.4 +++ b/share/man/man4/vtnet.4 @@ -22,7 +22,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd July 29, 2025 +.Dd September 4, 2025 .Dt VTNET 4 .Os .Sh NAME @@ -68,20 +68,29 @@ prompt before booting the kernel or stored in .Bl -tag -width "xxxxxx" .It Va hw.vtnet.csum_disable .It Va hw.vtnet. Ns Ar X Ns Va .csum_disable -This tunable disables receive and send checksum offload. +This tunable disables receive and transmit checksum offloading for TCP and +UDP. +This also implies that TCP segmentation offloading and large receive offload +are disabled. The default value is 0. .It Va hw.vtnet.fixup_needs_csum .It Va hw.vtnet. Ns Ar X Ns Va .fixup_needs_csum -This tunable enforces the calculation of a valid checksum for NEEDS_CSUM -packets. +This tunable enforces the calculation of a valid TCP or UDP checksum for +packets received with +.Dv VIRTIO_NET_HDR_F_NEEDS_CSUM +being set in the +.Va flags +field of the structure +.Vt struct virtio_net_hdr . +It also marks the checksum as being correct in the mbuf packet header. The default value is 0. .It Va hw.vtnet.tso_disable .It Va hw.vtnet. Ns Ar X Ns Va .tso_disable -This tunable disables TSO. +This tunable disables TCP segmentation offloading. The default value is 0. .It Va hw.vtnet.lro_disable .It Va hw.vtnet. Ns Ar X Ns Va .lro_disable -This tunable disables LRO. +This tunable disables large receive offload. The default value is 0. .It Va hw.vtnet.mq_disable .It Va hw.vtnet. Ns Ar X Ns Va .mq_disable @@ -117,6 +126,136 @@ This tunable disables ALTQ support, allowing the use of multiqueue instead. This option applies to all interfaces. The default value is 0. .El +.Sh TRANSMIT QUEUE STATISTICS +For each transmit queue of each interface the following read-only statistics +are provided: +.Bl -tag -width "xxxxxx" +.It Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .rescheduled +The number of times the transmit interrupt handler was rescheduled. +.It Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .tso +The number of times TCP segment offloading was performed. +.It Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .csum +The number of times transmit checksum offloading for UDP or TCP was +performed. +.It Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .omcasts +The number of multicast packets that were transmitted. +.It Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .obytes +The number of bytes that were transmitted (based on Ethernet frames). +.It Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .opackets +The number of packets that were transmitted (Ethernet frames). +.El +.Sh RECEIVE QUEUE STATISTICS +For each receive queue of each interface the following read-only statistics +are provided: +.Bl -tag -width "xxxxxx" +.It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .rescheduled +The number of times the receive interrupt handler was rescheduled. +.It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .host_lro +The number of times TCP large receive offload was performed. +.It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .csum_failed +The number of times a packet with a request for receive or transmit checksum +offloading was received and this request failed. +The different reasons for the failure are counted by +.Va dev.vtnet. Ns Ar X Ns Va .rx_csum_inaccessible_ipproto , +.Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ipproto , +.Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ethtype , +and +.Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_offset . +.It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .csum +The number of times receive checksum offloading for UDP or TCP was performed. +.It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .ierrors +The number of times an error occurred during input processing. +.It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .iqdrops +The number of times a packet was dropped during input processing. +.It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .ibytes +The number of bytes that were received (based on Ethernet frames). +.It Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .ipackets +The number of packets that were received (Ethernet frames). +.El +.Sh INTERFACE TRANSMIT STATISTICS +For each interface the following read-only transmit statistics are provided: +.Bl -tag -width "xxxxxx" +.It Va dev.vtnet. Ns Ar X Ns Va .tx_task_rescheduled +The sum of +.Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .rescheduled +over all transmit queues of the interface. +.It Va dev.vtnet. Ns Ar X Ns Va .tx_tso_offloaded +The sum of +.Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .tso +over all transmit queues of the interface. +.It Va dev.vtnet. Ns Ar X Ns Va .tx_csum_offloaded +The sum of +.Va dev.vtnet. Ns Ar X Ns Va .txq Ns Ar Y Ns Va .csum +over all transmit queues of the interface. +.It Va dev.vtnet. Ns Ar X Ns Va .tx_defrag_failed +The number of times an attempt to defragment an mbuf chain failed during a +transmit operation. +.It Va dev.vtnet. Ns Ar X Ns Va .tx_defragged +The number of times an mbuf chain was defragmented during a transmit operation. +.It Va dev.vtnet. Ns Ar X Ns Va .tx_tso_without_csum +The number of times TCP segment offloading was attempted without transmit +checksum offloading. +.It Va dev.vtnet. Ns Ar X Ns Va .tx_tso_not_tcp +The number of times TCP segment offloading was attempted for a non-TCP packet. +.It Va dev.vtnet. Ns Ar X Ns Va .tx_csum_proto_mismatch +The number of times the IP protocol version of the transmit checksum +offloading request did not match the IP protocol version of the packet. +.It Va dev.vtnet. Ns Ar X Ns Va .tx_csum_unknown_ethtype +The number of times a transmit offload operation was requested for an +ethernet frame for which the EtherType was neither IPv4 nor IPv6 +(considering simple VLAN tagging). +.El +.Sh INTERFACE RECEIVE STATISTICS +For each interface the following read-only receive statistics are provided: +.Bl -tag -width "xxxxxx" +.It Va dev.vtnet. Ns Ar X Ns Va .rx_task_rescheduled +The sum of +.Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .rescheduled +over all receive queues of the interface. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_offloaded +The sum of +.Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .csum +over all receive queues of the interface. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_failed +The sum of +.Va dev.vtnet. Ns Ar X Ns Va .rxq Ns Ar Y Ns Va .csum_failed +over all receive queues of the interface. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_inaccessible_ipproto +The number of times a packet with a request for receive or transmit checksum +offloading was received where the IP protocol was not accessible. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_offset +The number of times fixing the checksum required by +.Va hw.vtnet.fixup_needs_csum +or +.Va hw.vtnet. Ns Ar X Ns Va .fixup_needs_csum +was attempted for a packet where the csum is not located in the first mbuf. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ipproto +The number of times a packet with a request for receive or transmit checksum +offloading was received where the IP protocol was neither TCP nor UDP. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ethtype +The number of times a packet with a request for receive or transmit checksum +offloading was received where the EtherType was neither IPv4 nor IPv6. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_mergeable_failed +The number of times receiving a mergable buffer failed. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_enq_replacement_failed +The number of times the enqueuing the replacement receive mbuf chain failed. +.It Va dev.vtnet. Ns Ar X Ns Va .rx_frame_too_large +The number of times the frame was loger than the mbuf chain during large +receive offload without mergeable buffers. +.It Va dev.vtnet. Ns Ar X Ns Va .mbuf_alloc_failed +The number of times an mbuf cluster allocation for the receive buffer failed. +.El +.Sh INTERFACE CONFIGURATION PARAMETER +For each interface the following read-only configuration parameters are +provided: +.Bl -tag -width "xxxxxx" +.It Va dev.vtnet. Ns Ar X Ns Va .act_vq_pairs +The number of active virtqueue pairs. +.It Va dev.vtnet. Ns Ar X Ns Va .req_vq_pairs +The number of requested virtqueue pairs. +.It Va dev.vtnet. Ns Ar X Ns Va .max_vq_pairs +The maximum number of supported virtqueue pairs. +.El .Sh SEE ALSO .Xr arp 4 , .Xr netintro 4 , |