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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/c6x/include/asm/checksum.h | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/c6x/include/asm/checksum.h')
| -rw-r--r-- | arch/c6x/include/asm/checksum.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/c6x/include/asm/checksum.h b/arch/c6x/include/asm/checksum.h new file mode 100644 index 000000000..934918def --- /dev/null +++ b/arch/c6x/include/asm/checksum.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2011 Texas Instruments Incorporated + * Author: Mark Salter <msalter@redhat.com> + */ +#ifndef _ASM_C6X_CHECKSUM_H +#define _ASM_C6X_CHECKSUM_H + +static inline __wsum +csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, + __u8 proto, __wsum sum) +{ + unsigned long long tmp; + + asm ("add .d1 %1,%5,%1\n" + "|| addu .l1 %3,%4,%0\n" + "addu .l1 %2,%0,%0\n" +#ifndef CONFIG_CPU_BIG_ENDIAN + "|| shl .s1 %1,8,%1\n" +#endif + "addu .l1 %1,%0,%0\n" + "add .l1 %P0,%p0,%2\n" + : "=&a"(tmp), "+a"(len), "+a"(sum) + : "a" (saddr), "a" (daddr), "a" (proto)); + return sum; +} +#define csum_tcpudp_nofold csum_tcpudp_nofold + +#define _HAVE_ARCH_CSUM_AND_COPY +extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len); + +#include <asm-generic/checksum.h> + +#endif /* _ASM_C6X_CHECKSUM_H */ |