Index: share/man/man4/ix.4
===================================================================
--- share/man/man4/ix.4
+++ share/man/man4/ix.4
@@ -31,11 +31,11 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 17, 2019
-.Dt IXGBE 4
+.Dd October 16, 2021
+.Dt IX 4
 .Os
 .Sh NAME
-.Nm ixgbe
+.Nm ix
 .Nd "Intel(R) 10Gb Ethernet driver for the FreeBSD operating system"
 .Sh SYNOPSIS
 To compile this driver into the kernel,
@@ -43,14 +43,14 @@
 kernel configuration file:
 .Bd -ragged -offset indent
 .Cd "device iflib"
-.Cd "device ixgbe"
+.Cd "device ix"
 .Ed
 .Pp
 Alternatively, to load the driver as a
 module at boot time, place the following line in
 .Xr loader.conf 5 :
 .Bd -literal -offset indent
-if_ixgbe_load="YES"
+if_ix_load="YES"
 .Ed
 .Sh DESCRIPTION
 The
@@ -88,6 +88,42 @@
 .It
 Intel(R) 82598EB 10 Gigabit AT CX4 Network Connection
 .El
+.Sh SYSCTL VARIABLES
+The
+.Nm
+driver supports the following sysctl variables:
+.Bl -tag -width "hw.ix.allow_unsupported_sfp"
+.It Va hw.ix.max_interrupt_rate
+Maximum interrupts per second.
+.It Va hw.ix.flow_control
+Default flow control used for all adapters.
+.It Va hw.ix.advertise_speed
+Default advertised speed for all adapters.
+.It Va hw.ix.enable_msix
+Enable Message Signalled Interrupts (MSI-X).
+.It Va hw.ix.allow_unsupported_sfp
+Allow unsupported small form-factor pluggable
+.Pq SFP
+modules.
+Use at your own risk.
+.It Va hw.ix.enable_fdir
+Enable Flow Director.
+Flow Director directs Ethernet packets to the core where the
+packet consuming process, application, container,
+or microservice is running.
+.It Va hw.ix.enable_rss
+Enable Receive-Side Scaling (RSS).
+When RSS is enabled, all of the receive data processing for
+a particular TCP connection is shared across multiple processors
+or processor cores.
+Without RSS, all of the processing is performed by a single
+processor, resulting in inefficient system cache utilization.
+This has no effect if your system has only one processing unit.
+.It Va hw.ix.enable_aim
+Enable Adaptive Interrupt Moderation (AIM).
+Vary the interrupt rate over time based on the traffic for
+that interrupt vector.
+.Ed
 .Sh DIAGNOSTICS
 .Bl -diag
 .It "ixgbe%d: Unable to allocate bus resource: memory"
@@ -115,7 +151,8 @@
 .Xr ng_ether 4 ,
 .Xr polling 4 ,
 .Xr vlan 4 ,
-.Xr ifconfig 8
+.Xr ifconfig 8 ,
+.Xr sysctl 8
 .Sh HISTORY
 The
 .Nm