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.
Jarod Wilson
authored
Currently, this support is limited to active-backup mode, as I'm not sure about the feasilibity of mapping an xfrm_state's offload handle to multiple hardware devices simultaneously, and we rely on being able to pass some hints to both the xfrm and NIC driver about whether or not they're operating on a slave device. I've tested this atop an Intel x520 device (ixgbe) using libreswan in transport mode, succesfully achieving ~4.3Gbps throughput with netperf (more or less identical to throughput on a bare NIC in this system), as well as successful failover and recovery mid-netperf. v2: just use CONFIG_XFRM_OFFLOAD for wrapping, isolate more code with it CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Veaceslav Falico <vfalico@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> CC: "David S. Miller" <davem@davemloft.net> CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com> CC: Jakub Kicinski <kuba@kernel.org> CC: Steffen Klassert <steffen.klassert@secunet.com> CC: Herbert Xu <herbert@gondor.apana.org.au> CC: netdev@vger.kernel.org CC: intel-wired-lan@lists.osuosl.org Signed-off-by:Jarod Wilson <jarod@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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