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Jakub Kicinski says: ==================== This set adds support for creating maps on networking devices. BPF is programs+maps, the pure program offload has been around for quite some time, this patchset adds the map part of the equation. Maps are allocated on the target device from the start. There is no host copy when map is created on the device. Device maps are represented by struct bpf_offloaded_map, regardless of type. Host programs can't access such maps, access is only possible from a program also loaded to the same device and/or via the BPF syscall. Offloaded programs are currently only allowed to perform lookups, control plane is responsible for populating the maps. For brevity only infrastructure and basic NFP patches are included. Target device reporting, netdevsim and tests will follow up as well as some further optimizations to the NFP code. v2: - leave out the array maps, we will add them trivially later to avoid merge conflicts with ongoing spectere&meltdown mitigations. ==================== Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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.