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D52990.id166196.diff
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D52990.id166196.diff

diff --git a/share/man/man4/ix.4 b/share/man/man4/ix.4
--- a/share/man/man4/ix.4
+++ b/share/man/man4/ix.4
@@ -78,6 +78,8 @@
.Pp
.Bl -bullet -compact
.It
+Intel(R) Ethernet E610
+.It
Intel(R) Ethernet X553
.It
Intel(R) Ethernet X552
@@ -130,6 +132,35 @@
Vary the interrupt rate over time based on the traffic for
that interrupt vector.
.El
+.\"
+.Sh SYSCTL VARIABLES
+The
+.Nm
+driver supports the following
+.Xr sysctl 8
+variables:
+.Bl -tag -width "dev.ix.?.debug.dump.clusters"
+.It Va dev.ix.?.debug.dump.clusters
+Bitmask to select firmware event clusters for debug dump.
+Possible values:
+.Pp
+.Bl -tag -compact -width "0x2"
+.It Li 0
+All clusters (excludes Manageability Transactions data)
+.It Li 0x1
+Link cluster
+.It Li 0x2
+Full CSR Space (excludes RCW registers)
+.El
+.Pp
+Only available on Intel(R) E610 devices.
+.It Va dev.ix.?.debug.dump.dump
+Write 1 to generate a device debugging snapshot.
+Output must be redirected to a file and decoded by Intel Customer Support.
+.Pp
+Only available on Intel(R) E610 devices.
+.El
+.\"
.Sh DIAGNOSTICS
.Bl -diag
.It "ix%d: Unable to allocate bus resource: memory"

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