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-rw-r--r--sbin/ifconfig/ifconfig.824
1 files changed, 23 insertions, 1 deletions
diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index b34af49f72fc..3b6d29657e80 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -28,7 +28,7 @@
.\" From: @(#)ifconfig.8 8.3 (Berkeley) 1/5/94
.\" $FreeBSD$
.\"
-.Dd August 15, 2019
+.Dd August 26, 2019
.Dt IFCONFIG 8
.Os
.Sh NAME
@@ -538,6 +538,28 @@ large receive offloading, enable LRO on the interface.
If the driver supports
.Xr tcp 4
large receive offloading, disable LRO on the interface.
+.It Cm txtls
+Transmit TLS offload encrypts Transport Layer Security (TLS) records and
+segments the encrypted record into one or more
+.Xr tcp 4
+segments over either
+.Xr ip 4
+or
+.Xr ip6 4 .
+If the driver supports transmit TLS offload,
+enable transmit TLS offload on the interface.
+Some drivers may not be able to support transmit TLS offload for
+.Xr ip 4
+and
+.Xr ip6 4
+packets, so they may enable only one of them.
+.It Fl txtls
+If the driver supports transmit TLS offload,
+disable transmit TLS offload on the interface.
+It will always disable TLS for
+.Xr ip 4
+and
+.Xr ip6 4 .
.It Cm nomap
If the driver supports unmapped network buffers,
enable them on the interface.