diff --git a/share/man/man4/vtnet.4 b/share/man/man4/vtnet.4
--- 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 January 22, 2012
+.Dd July 29, 2025
 .Dt VTNET 4
 .Os
 .Sh NAME
@@ -70,6 +70,11 @@
 .It Va hw.vtnet. Ns Ar X Ns Va .csum_disable
 This tunable disables receive and send checksum offload.
 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.
+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.
@@ -91,6 +96,22 @@
 driver and the hypervisor, the number of CPUs present in the guest, and this
 tunable if not zero.
 The default value is 0.
+.It Va hw.vtnet.tso_maxlen
+.It Va hw.vtnet. Ns Ar X Ns Va .tso_maxlen
+This tunable sets the TSO burst limit.
+The default value is 65535.
+.It Va hw.vtnet.rx_process_limit
+.It Va hw.vtnet. Ns Ar X Ns Va .rx_process_limit
+This tunable sets the number of RX segments processed in one pass.
+The default value is 1024.
+.It Va hw.vtnet.lro_entry_count
+.It Va hw.vtnet. Ns Ar X Ns Va .lro_entry_count
+This tunable sets the software LRO entry count.
+The default value is 128, the minimum value is 8.
+.It Va hw.vtnet.lro_mbufq_depth
+.It Va hw.vtnet. Ns Ar X Ns Va .lro_mbufq_depth
+This tunable sets the depth of the software LRO mbuf queue.
+The default value is 0.
 .It Va hw.vtnet.altq_disable
 This tunable disables ALTQ support, allowing the use of multiqueue instead.
 This option applies to all interfaces.