diff --git a/arch/powerpc/include/asm/checksum.h b/arch/powerpc/include/asm/checksum.h index 8251a3ba870f8cfd27a5b1c84c794ac719e34ace..5e43d2d4008484cbda64f6993c4ac2d8e01a247f 100644 --- a/arch/powerpc/include/asm/checksum.h +++ b/arch/powerpc/include/asm/checksum.h @@ -19,15 +19,6 @@ #else extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ -extern __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum); - /* * computes the checksum of a memory block at buff, length len, * and adds in "sum" (32-bit) @@ -127,6 +118,18 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, #endif } +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ +static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, + unsigned short len, + unsigned short proto, + __wsum sum) +{ + return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); +} + #endif #endif /* __KERNEL__ */ #endif diff --git a/arch/powerpc/lib/checksum_32.S b/arch/powerpc/lib/checksum_32.S index 7874e8a80455c9620ab960ba1e15e5c8a6aece7b..6d67e057f15ecd342e1b4d6cd7050a144325bd40 100644 --- a/arch/powerpc/lib/checksum_32.S +++ b/arch/powerpc/lib/checksum_32.S @@ -40,22 +40,6 @@ _GLOBAL(ip_fast_csum) srwi r3,r3,16 blr -/* - * Compute checksum of TCP or UDP pseudo-header: - * csum_tcpudp_magic(saddr, daddr, len, proto, sum) - */ -_GLOBAL(csum_tcpudp_magic) - rlwimi r5,r6,16,0,15 /* put proto in upper half of len */ - addc r0,r3,r4 /* add 4 32-bit words together */ - adde r0,r0,r5 - adde r0,r0,r7 - addze r0,r0 /* add in final carry */ - rlwinm r3,r0,16,0,31 /* fold two halves together */ - add r3,r0,r3 - not r3,r3 - srwi r3,r3,16 - blr - /* * computes the checksum of a memory block at buff, length len, * and adds in "sum" (32-bit) diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S index 57a0720650576a9f72e98cece18a71e25045ec3a..f3ef35436612b75505bfabe5cf5b6761208c3d70 100644 --- a/arch/powerpc/lib/checksum_64.S +++ b/arch/powerpc/lib/checksum_64.S @@ -44,27 +44,6 @@ _GLOBAL(ip_fast_csum) srwi r3,r3,16 blr -/* - * Compute checksum of TCP or UDP pseudo-header: - * csum_tcpudp_magic(r3=saddr, r4=daddr, r5=len, r6=proto, r7=sum) - * No real gain trying to do this specially for 64 bit, but - * the 32 bit addition may spill into the upper bits of - * the doubleword so we still must fold it down from 64. - */ -_GLOBAL(csum_tcpudp_magic) - rlwimi r5,r6,16,0,15 /* put proto in upper half of len */ - addc r0,r3,r4 /* add 4 32-bit words together */ - adde r0,r0,r5 - adde r0,r0,r7 - rldicl r4,r0,32,0 /* fold 64 bit value */ - add r0,r4,r0 - srdi r0,r0,32 - rlwinm r3,r0,16,0,31 /* fold two halves together */ - add r3,r0,r3 - not r3,r3 - srwi r3,r3,16 - blr - /* * Computes the checksum of a memory block at buff, length len, * and adds in "sum" (32-bit).