Jakub Kicinski 2d6b51c692 net/tls: split the TLS_DRIVER_STATE_SIZE and bump TX to 16 bytes
8 bytes of driver state has been enough so far, but for drivers
which have to store 8 byte handle it's no longer practical to
store the state directly in the context.

Drivers generally don't need much extra state on RX side, while
TX side has to be tracking TCP sequence numbers.  Split the
lengths of max driver state size on RX and TX.

The struct tls_offload_context_tx currently stands at 616 bytes and
struct tls_offload_context_rx stands at 368 bytes.  Upcoming work
will consume extra 8 bytes in both for kernel-driven resync.
This means that we can bump TX side to 16 bytes and still fit
into the same number of cache lines but on RX side we would be 8
bytes over.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-06 14:13:40 -07:00
2019-05-30 19:58:59 -07:00
2019-03-06 14:18:59 -08:00
2019-03-10 17:48:21 -07:00
2019-06-02 18:16:23 -07:00
2019-05-26 16:49:19 -07:00

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.
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