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docs: segmentation-offloads.txt: update for UFO depreciation 

UFO is deprecated except for tuntap and packet per 0c19f846d5,
("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>
This commit is contained in:
Daniel Axtens 2018-02-14 18:05:31 +11:00 committed by David S. Miller
parent 080fe7aa18
commit a65820e695
1 changed files with 4 additions and 0 deletions
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Documentation/networking/segmentation-offloads.txt
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@ -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
========================================================