diff options
Diffstat (limited to 'arch/unicore32/include/asm/checksum.h')
| -rw-r--r-- | arch/unicore32/include/asm/checksum.h | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/unicore32/include/asm/checksum.h b/arch/unicore32/include/asm/checksum.h deleted file mode 100644 index e774ca268c15..000000000000 --- a/arch/unicore32/include/asm/checksum.h +++ /dev/null @@ -1,38 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * linux/arch/unicore32/include/asm/checksum.h - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Copyright (C) 2001-2010 GUAN Xue-tao - * - * IP checksum routines - */ -#ifndef __UNICORE_CHECKSUM_H__ -#define __UNICORE_CHECKSUM_H__ - -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ - -static inline __wsum -csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, - __u8 proto, __wsum sum) -{ - __asm__( - "add.a %0, %1, %2\n" - "addc.a %0, %0, %3\n" - "addc.a %0, %0, %4 << #8\n" - "addc.a %0, %0, %5\n" - "addc %0, %0, #0\n" - : "=&r"(sum) - : "r" (sum), "r" (daddr), "r" (saddr), "r" (len), "Ir" (htons(proto)) - : "cc"); - return sum; -} -#define csum_tcpudp_nofold csum_tcpudp_nofold - -#include <asm-generic/checksum.h> - -#endif |