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2023-04-02bpf, docs: Add docs on extended 64-bit immediate instructionsDave Thaler1-0/+22
Add docs on extended 64-bit immediate instructions, including six instructions previously undocumented. Include a brief description of maps and variables, as used by those instructions. V1 -> V2: rebased on top of latest master V2 -> V3: addressed comments from Alexei V3 -> V4: addressed comments from David Vernet Signed-off-by: Dave Thaler <dthaler@microsoft.com> Link: https://lore.kernel.org/r/20230326054946.2331-1-dthaler1968@googlemail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-10bpf, docs: Explain helper functionsDave Thaler1-0/+8
Add brief text about existence of helper functions, with details to go in separate psABI text. Note that text about runtime functions (kfuncs) is part of a separate patch, not this one. Signed-off-by: Dave Thaler <dthaler@microsoft.com> Link: https://lore.kernel.org/r/20230308205303.1308-1-dthaler1968@googlemail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-10-01bpf, docs: Delete misformatted table.Alexei Starovoitov1-17/+0
Delete misformatted table. Fixes: 6166da0a02cd ("bpf, docs: Move legacy packet instructions to a separate file") Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-09-30bpf, docs: Linux byteswap noteDave Thaler1-0/+5
Add Linux byteswap note. Signed-off-by: Dave Thaler <dthaler@microsoft.com> Link: https://lore.kernel.org/r/20220927185958.14995-2-dthaler1968@googlemail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-09-30bpf, docs: Move legacy packet instructions to a separate fileDave Thaler1-0/+65
Move legacy packet instructions to a separate file. Signed-off-by: Dave Thaler <dthaler@microsoft.com> Link: https://lore.kernel.org/r/20220927185958.14995-1-dthaler1968@googlemail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>