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David S. Miller c992fde9f9 Merge branch 'smc-fixes' Gerd Bayer says: ==================== net/smc: Fix effective buffer size commit `0227f058aa` ("net/smc: Unbind r/w buffer size from clcsock and make them tunable") started to derive the effective buffer size for SMC connections inconsistently in case a TCP fallback was used and memory consumption of SMC with the default settings was doubled when a connection negotiated SMC. That was not what we want. This series consolidates the resulting effective buffer size that is used with SMC sockets, which is based on Jan Karcher's effort (see [1]). For all TCP exchanges (in particular in case of a fall back when no SMC connection was possible) the values from net.ipv4.tcp_[rw]mem are used. If SMC succeeds in establishing a SMC connection, the newly introduced values from net.smc.[rw]mem are used. net.smc.[rw]mem is initialized to 64kB, respectively. Internal test have show this to be a good compromise between throughput/latency and memory consumption. Also net.smc.[rw]mem is now decoupled completely from any tuning through net.ipv4.tcp_[rw]mem. If a user chose to tune a socket's receive or send buffer size with setsockopt, this tuning is now consistently applied to either fall-back TCP or proper SMC connections over the socket. Thanks, Gerd v2 - v3: - Rebase to and resolve conflict of second patch with latest net/master. v1 - v2: - In second patch, use sock_net() helper as suggested by Tony and demanded by kernel test robot. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>		2023-08-09 11:20:29 +01:00
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drivers	net: enetc: remove of_device_is_available() handling	2023-08-09 09:18:31 +01:00
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net	net/smc: Use correct buffer sizes when switching between TCP and SMC	2023-08-09 11:20:29 +01:00
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MAINTAINERS	MAINTAINERS: update Claudiu Beznea's email address	2023-08-08 14:46:04 -07:00
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.