Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 20fce54f authored by Tom Herbert's avatar Tom Herbert Committed by David S. Miller
Browse files

sparc: csum_add for Sparc 



versions.

Signed-off-by: default avatarTom Herbert <therbert@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4405b4d6

arch/sparc/include/asm/checksum_32.h

+12 −0
Original line number Diff line number Diff line
@@ -238,4 +238,16 @@ static inline __sum16 ip_compute_csum(const void *buff, int len) 
	return csum_fold(csum_partial(buff, len, 0));

}



#define HAVE_ARCH_CSUM_ADD

static inline __wsum csum_add(__wsum csum, __wsum addend)

{

	__asm__ __volatile__(

		"addcc   %0, %1, %0\n"

		"addx    %0, %%g0, %0"

		: "=r" (csum)

		: "r" (addend), "0" (csum));



	return csum;

}



#endif /* !(__SPARC_CHECKSUM_H) */

arch/sparc/include/asm/checksum_64.h

+12 −0
Original line number Diff line number Diff line
@@ -164,4 +164,16 @@ static inline __sum16 ip_compute_csum(const void *buff, int len) 
	return csum_fold(csum_partial(buff, len, 0));

}



#define HAVE_ARCH_CSUM_ADD

static inline __wsum csum_add(__wsum csum, __wsum addend)

{

	__asm__ __volatile__(

		"addcc   %0, %1, %0\n"

		"addx    %0, %%g0, %0"

		: "=r" (csum)

		: "r" (addend), "0" (csum));



	return csum;

}



#endif /* !(__SPARC64_CHECKSUM_H) */