UFO is deprecated except for tuntap and packet per 0c19f846d582,
("net: accept UFO datagrams from tuntap and packet"). Update UFO
docs to reflect this.

Signed-off-by: Daniel Axtens <d...@axtens.net>
 Documentation/networking/segmentation-offloads.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/networking/segmentation-offloads.txt 
index 2f09455a993a..2cda12ab7075 100644
--- a/Documentation/networking/segmentation-offloads.txt
+++ b/Documentation/networking/segmentation-offloads.txt
@@ -49,6 +49,10 @@ datagram into multiple IPv4 fragments.  Many of the 
requirements for UDP
 fragmentation offload are the same as TSO.  However the IPv4 ID for
 fragments should not increment as a single IPv4 datagram is fragmented.
+UFO is deprecated: modern kernels will no longer generate UFO skbs, but can
+still receive them from tuntap and similar devices. Offload of UDP-based
+tunnel protocols is still supported.
 IPIP, SIT, GRE, UDP Tunnel, and Remote Checksum Offloads

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