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-rw-r--r--share/man/man4/ata.44
-rw-r--r--share/man/man4/puc.42
-rw-r--r--share/man/man4/tap.415
-rw-r--r--share/man/man4/tun.415
-rw-r--r--share/man/man4/vtnet.4142
-rw-r--r--share/man/man7/simd.743
6 files changed, 195 insertions, 26 deletions
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/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/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/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/vtnet.4 b/share/man/man4/vtnet.4
index 8b99cd9f17b9..b6f10ddd87cb 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 August 21, 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 +126,127 @@ 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
+.Bl -tag -width "xxxxxx"
+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
+Currently not used.
+.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_bad_proto
+Currently unused.
+.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_offset
+Currently unused.
+.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ipproto
+Currently unused.
+.It Va dev.vtnet. Ns Ar X Ns Va .rx_csum_bad_ethtype
+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 with an EtherType other than IPv4 or 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 ,
diff --git a/share/man/man7/simd.7 b/share/man/man7/simd.7
index 2c3ed3de411e..d5092348d9b3 100644
--- a/share/man/man7/simd.7
+++ b/share/man/man7/simd.7
@@ -24,7 +24,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE
.
-.Dd July 29, 2025
+.Dd November 18, 2024
.Dt SIMD 7
.Os
.Sh NAME
@@ -50,43 +50,48 @@ can be used to override this mechanism.
.Pp
Enhanced functions are present for the following architectures:
.Bl -column FUNCTION_________ aarch64_ arm_ amd64_ i386_ ppc64_ -offset indent
-.It Em FUNCTION Ta Em AARCH64 Ta Em ARM Ta Em AMD64 Ta Em PPC64
-.It bcmp Ta A Ta Ta S1
-.It bcopy Ta A Ta S Ta S Ta SV
-.It bzero Ta A Ta S Ta S
-.It div Ta Ta Ta S
+.It Em FUNCTION Ta Em AARCH64 Ta Em ARM Ta Em AMD64 Ta Em I386 Ta Em PPC64
+.It bcmp Ta A Ta Ta S1 Ta S
+.It bcopy Ta A Ta S Ta S Ta S Ta SV
+.It bzero Ta A Ta S Ta S Ta S
+.It div Ta Ta Ta S Ta S
.It index Ta A Ta Ta S1
-.It ldiv Ta Ta Ta S
+.It ldiv Ta Ta Ta S Ta S
.It lldiv Ta Ta Ta S
.It memchr Ta A Ta Ta S1
-.It memcmp Ta A Ta S Ta S1
+.It memcmp Ta A Ta S Ta S1 Ta S
.It memccpy Ta A Ta Ta S1
-.It memcpy Ta A Ta S Ta S Ta SV
-.It memmove Ta A Ta S Ta S Ta SV
+.It memcpy Ta A Ta S Ta S Ta S Ta SV
+.It memmove Ta A Ta S Ta S Ta S Ta SV
.It memrchr Ta A Ta Ta S1
-.It memset Ta A Ta S Ta S
-.It rindex Ta A Ta Ta S1
+.It memset Ta A Ta S Ta S Ta S
+.It rindex Ta A Ta Ta S1 Ta S
.It stpcpy Ta A Ta Ta S1
.It stpncpy Ta Ta Ta S1
-.It strcat Ta A Ta Ta S1
-.It strchr Ta A Ta Ta S1
+.It strcat Ta A Ta Ta S1 Ta S
+.It strchr Ta A Ta Ta S1 Ta S
.It strchrnul Ta A Ta Ta S1
-.It strcmp Ta A Ta S Ta S1
-.It strcpy Ta A Ta Ta S1 Ta S2
+.It strcmp Ta A Ta S Ta S1 Ta S
+.It strcpy Ta A Ta Ta S1 Ta S Ta S2
.It strcspn Ta S Ta Ta S2
.It strlcat Ta A Ta Ta S1
.It strlcpy Ta A Ta Ta S1
.It strlen Ta A Ta S Ta S1
.It strncat Ta A Ta Ta S1
-.It strncmp Ta A Ta S Ta S1
-.It strncpy Ta Ta Ta S1 Ta S2
+.It strncmp Ta A Ta S Ta S1 Ta S
+.It strncpy Ta Ta Ta S1 Ta Ta S2
.It strnlen Ta A Ta Ta S1
-.It strrchr Ta A Ta Ta S1
+.It strrchr Ta A Ta Ta S1 Ta S
.It strpbrk Ta S Ta Ta S2
.It strsep Ta S Ta Ta S2
.It strspn Ta S Ta Ta S2
+.It swab Ta Ta Ta Ta S
.It timingsafe_bcmp Ta A Ta Ta S1
.It timingsafe_memcmp Ta S Ta Ta S
+.It wcschr Ta Ta Ta Ta S
+.It wcscmp Ta Ta Ta Ta S
+.It wcslen Ta Ta Ta Ta S
+.It wmemchr Ta Ta Ta Ta S
.El
.Pp
.Sy S Ns :\ scalar (non-SIMD),