mirror of https://gitee.com/openkylin/linux.git
18e53b6cb9
Datapath ABI version 2 stores the packet information in LMEM instead of NNRs. We also have strict restrictions on which GPRs we can use. Only GPRs 0-23 are reserved for BPF. Adjust the static register locations and "ABI" registers. Note that packet length is packed with other info so we have to extract it into one of the scratch registers, OTOH since LMEM can be used in restricted operands we don't have to extract packet pointer. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.