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c10d12e3dc
Add new data path. The TX is completely different, each packet has multiple descriptor entries (between 2 and 32). TX ring is divided into blocks 32 descriptor, and descritors of one packet can't cross block bounds. The RX side is the same for now. ABI version 5 or later is required. There is no support for VLAN insertion on TX. XDP_TX action and AF_XDP zero-copy is not implemented in NFDK path. Changes to Jakub's work: * Move statistics of hw_csum_tx after jumbo packet's segmentation. * Set L3_CSUM flag to enable recaculating of L3 header checksum in ipv4 case. * Mark the case of TSO a packet with metadata prepended as unsupported. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Xingfeng Hu <xingfeng.hu@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Dianchao Wang <dianchao.wang@corigine.com> Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.