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Ursula Braun says:
====================
smc fixes from 2018-04-17 - v3
in the mean time we challenged the benefit of these CLC handshake
optimizations for the sockopts TCP_NODELAY and TCP_CORK.
We decided to give up on them for now, since SMC still works
properly without.
There is now version 3 of the patch series with patches 2-4 implementing
sockopts that require special handling in SMC.
Version 3 changes
* no deferring of setsockopts TCP_NODELAY and TCP_CORK anymore
* allow fallback for some sockopts eliminating SMC usage
* when setting TCP_NODELAY always enforce data transmission
(not only together with corked data)
Version 2 changes of Patch 2/4 (and 3/4):
* return error -EOPNOTSUPP for TCP_FASTOPEN sockopts
* fix a kernel_setsockopt() usage bug by switching parameter
variable from type "u8" to "int"
* add return code validation when calling kernel_setsockopt()
* propagate a setsockopt error on the internal CLC socket
to the SMC socket.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
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