From f5e706ad886b6a5eb59637830110b09ccebf01c5 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Thu, 17 Jul 2008 21:55:51 -0700 Subject: sparc: join the remaining header files With this commit all sparc64 header files are moved to asm-sparc. The remaining files (71 files) were too different to be trivially merged so divide them up in a _32.h and a _64.h file which are both included from the file with no bit size. The following script were used: cd include FILES=`wc -l asm-sparc64/*h | grep -v '^ 1' | cut -b 20-` for FILE in ${FILES}; do echo $FILE: BASE=`echo $FILE | cut -d '.' -f 1` FN32=${BASE}_32.h FN64=${BASE}_64.h GUARD=___ASM_SPARC_`echo $BASE | tr '-' '_' | tr [:lower:] [:upper:]`_H git mv asm-sparc/$FILE asm-sparc/$FN32 git mv asm-sparc64/$FILE asm-sparc/$FN64 echo git mv done printf "#ifndef %s\n" $GUARD > asm-sparc/$FILE printf "#define %s\n" $GUARD >> asm-sparc/$FILE printf "#if defined(__sparc__) && defined(__arch64__)\n" >> asm-sparc/$FILE printf "#include \n" $FN64 >> asm-sparc/$FILE printf "#else\n" >> asm-sparc/$FILE printf "#include \n" $FN32 >> asm-sparc/$FILE printf "#endif\n" >> asm-sparc/$FILE printf "#endif\n" >> asm-sparc/$FILE git add asm-sparc/$FILE echo new file done printf "#include \n" $FILE > asm-sparc64/$FILE git add asm-sparc64/$FILE echo sparc64 file done done The guard contains three '_' to avoid conflict with existing guards. In additing the two Kbuild files are emptied to avoid breaking headers_* targets. We will reintroduce the exported header files when the necessary kbuild changes are merged. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller --- include/asm-sparc64/checksum.h | 168 +---------------------------------------- 1 file changed, 1 insertion(+), 167 deletions(-) (limited to 'include/asm-sparc64/checksum.h') diff --git a/include/asm-sparc64/checksum.h b/include/asm-sparc64/checksum.h index b290564c8ce0..c3966c5e29d8 100644 --- a/include/asm-sparc64/checksum.h +++ b/include/asm-sparc64/checksum.h @@ -1,167 +1 @@ -#ifndef __SPARC64_CHECKSUM_H -#define __SPARC64_CHECKSUM_H - -/* checksum.h: IP/UDP/TCP checksum routines on the V9. - * - * Copyright(C) 1995 Linus Torvalds - * Copyright(C) 1995 Miguel de Icaza - * Copyright(C) 1996 David S. Miller - * Copyright(C) 1996 Eddie C. Dost - * Copyright(C) 1997 Jakub Jelinek - * - * derived from: - * Alpha checksum c-code - * ix86 inline assembly - * RFC1071 Computing the Internet Checksum - */ - -#include -#include - -/* computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -extern __wsum csum_partial(const void * buff, int len, __wsum sum); - -/* the same as csum_partial, but copies from user space while it - * checksums - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, - int len, __wsum sum); - -extern long __csum_partial_copy_from_user(const void __user *src, - void *dst, int len, - __wsum sum); - -static inline __wsum -csum_partial_copy_from_user(const void __user *src, - void *dst, int len, - __wsum sum, int *err) -{ - long ret = __csum_partial_copy_from_user(src, dst, len, sum); - if (ret < 0) - *err = -EFAULT; - return (__force __wsum) ret; -} - -/* - * Copy and checksum to user - */ -#define HAVE_CSUM_COPY_USER -extern long __csum_partial_copy_to_user(const void *src, - void __user *dst, int len, - __wsum sum); - -static inline __wsum -csum_and_copy_to_user(const void *src, - void __user *dst, int len, - __wsum sum, int *err) -{ - long ret = __csum_partial_copy_to_user(src, dst, len, sum); - if (ret < 0) - *err = -EFAULT; - return (__force __wsum) ret; -} - -/* ihl is always 5 or greater, almost always is 5, and iph is word aligned - * the majority of the time. - */ -extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); - -/* Fold a partial checksum without adding pseudo headers. */ -static inline __sum16 csum_fold(__wsum sum) -{ - unsigned int tmp; - - __asm__ __volatile__( -" addcc %0, %1, %1\n" -" srl %1, 16, %1\n" -" addc %1, %%g0, %1\n" -" xnor %%g0, %1, %0\n" - : "=&r" (sum), "=r" (tmp) - : "0" (sum), "1" ((__force u32)sum<<16) - : "cc"); - return (__force __sum16)sum; -} - -static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, - unsigned int len, - unsigned short proto, - __wsum sum) -{ - __asm__ __volatile__( -" addcc %1, %0, %0\n" -" addccc %2, %0, %0\n" -" addccc %3, %0, %0\n" -" addc %0, %%g0, %0\n" - : "=r" (sum), "=r" (saddr) - : "r" (daddr), "r" (proto + len), "0" (sum), "1" (saddr) - : "cc"); - return sum; -} - -/* - * 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)); -} - -#define _HAVE_ARCH_IPV6_CSUM - -static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, - const struct in6_addr *daddr, - __u32 len, unsigned short proto, - __wsum sum) -{ - __asm__ __volatile__ ( -" addcc %3, %4, %%g7\n" -" addccc %5, %%g7, %%g7\n" -" lduw [%2 + 0x0c], %%g2\n" -" lduw [%2 + 0x08], %%g3\n" -" addccc %%g2, %%g7, %%g7\n" -" lduw [%2 + 0x04], %%g2\n" -" addccc %%g3, %%g7, %%g7\n" -" lduw [%2 + 0x00], %%g3\n" -" addccc %%g2, %%g7, %%g7\n" -" lduw [%1 + 0x0c], %%g2\n" -" addccc %%g3, %%g7, %%g7\n" -" lduw [%1 + 0x08], %%g3\n" -" addccc %%g2, %%g7, %%g7\n" -" lduw [%1 + 0x04], %%g2\n" -" addccc %%g3, %%g7, %%g7\n" -" lduw [%1 + 0x00], %%g3\n" -" addccc %%g2, %%g7, %%g7\n" -" addccc %%g3, %%g7, %0\n" -" addc 0, %0, %0\n" - : "=&r" (sum) - : "r" (saddr), "r" (daddr), "r"(htonl(len)), - "r"(htonl(proto)), "r"(sum) - : "g2", "g3", "g7", "cc"); - - return csum_fold(sum); -} - -/* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c */ -static inline __sum16 ip_compute_csum(const void *buff, int len) -{ - return csum_fold(csum_partial(buff, len, 0)); -} - -#endif /* !(__SPARC64_CHECKSUM_H) */ +#include -- cgit v1.2.3