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Index: share/man/man4/axp.4
===================================================================
--- share/man/man4/axp.4
+++ share/man/man4/axp.4
@@ -29,7 +29,7 @@
.\"
.\" * Other names and brands may be claimed as the property of others.
.\"
-.Dd January 24, 2021
+.Dd February 17, 2021
.Dt AXP 4
.Os
.Sh NAME
@@ -133,43 +133,14 @@
Configure the log-level for the driver.
Default is 0.
Supports 0-3.
-.It Va dev.ax.X.single_fl
-This variable must be set before loading the driver, either via
-.Xr loader.conf 5
-or through the use of
-.Xr kenv 1 .
-This cannot be modified when driver is loaded.
-.Pp
-Setting this variable in
-.Xr loader.conf 5
-needs the system to be restarted to take effect.
-When using
-.Xr kenv 1 ,
-use the wrapper variable
-.Va dev.ax.single_fl\&,
-which will configure all AMD interfaces with single freelist per receive queue.
-Default is 2 freelist per receive queue.
-.Pp
-This variable is to configure the interface when single freelist is needed.
-(For Eg. netmap).
-Basically, this will control the software behavior of how the receive
-descriptors are used.
-.Pp
-Setting this variable to 1, will use 1 Freelist per receive queue.
-.Pp
-Setting this variable to 0, will use 2 Freelist per receive queue.
-.Pp
-Based on the setting, the receive buffers are programmed accordingly on the
-received descriptors.
-.Pp
-By default, this variable will be set to 0, meaning the interfaces will be
-configured for regular data traffic (not netmap traffic).
-.It Va dev.ax.X.sph_enabled
+.It Va dev.ax.X.sph_enable
This variable must be set before loading the driver, either via
.Xr loader.conf 5
or through the use of
.Xr kenv 1 .
This cannot be modified when driver is loaded.
+By default, this variable will be set to 1, meaning the Split header support be
+enabled.
.Pp
Setting this variable in
.Xr loader.conf 5
@@ -188,13 +159,13 @@
.Pp
Setting this variable to 0, will disable split header feature.
.Pp
-By default, this variable will be set to 1, meaning the Split header support be
-enabled.
-.Pp
-NOTE: It is recommended to use this variable only when
-.Va single_fl\&
-is configured.
-Otherwise let it be default value.
+For now, any netmap test with this driver is supported only with split header
+disabled (set this sysctl to 0).
+.It Va dev.ax.X.link_workaround
+This sysctl enables the workaround for an intermittent link issue.
+When link does not come up for long time, this variable can be set to 1 to
+reset the phy and bring up the link.
+For information, this is a workaround and not a fix.
.El
.Sh SEE ALSO
.Xr arp 4 ,

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