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authorDaniel Axtens <dja@axtens.net>2018-02-14 18:05:31 +1100
committerDavid S. Miller <davem@davemloft.net>2018-02-14 14:52:38 -0500
commita65820e6956782af6c5330749ae37222350d8d3f (patch)
tree6e53ee564cbe949beaef73248fc57472a953f064 /Documentation/networking
parent080fe7aa18a29781c4db1d77ca5cb1dd4f68fb44 (diff)
docs: segmentation-offloads.txt: update for UFO depreciation
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 <dja@axtens.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/segmentation-offloads.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/networking/segmentation-offloads.txt b/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
========================================================