riscv: Add checksum library

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Provide a 32 and 64 bit version of do_csum. When compiled for 32-bit
will load from the buffer in groups of 32 bits, and when compiled for
64-bit will load in groups of 64 bits.

Additionally provide riscv optimized implementation of csum_ipv6_magic.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Xiao Wang <xiao.w.wang@intel.com>
Link: https://lore.kernel.org/r/20240108-optimize_checksum-v15-4-1c50de5f2167@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Charlie Jenkins 2024-01-08 15:57:05 -08:00 • committed by Palmer Dabbelt

parent e11e367e9f

commit a04c192eab

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11

arch/riscv/include/asm/checksum.h

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1

arch/riscv/lib/Makefile

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326

arch/riscv/lib/csum.c

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