diff options
Diffstat (limited to 'arch/sh64')
| -rw-r--r-- | arch/sh64/kernel/sh_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/sh64/lib/c-checksum.c | 49 |
2 files changed, 18 insertions, 33 deletions
diff --git a/arch/sh64/kernel/sh_ksyms.c b/arch/sh64/kernel/sh_ksyms.c index 4b2df72..7aa4b4f 100644 --- a/arch/sh64/kernel/sh_ksyms.c +++ b/arch/sh64/kernel/sh_ksyms.c @@ -38,7 +38,7 @@ EXPORT_SYMBOL(disable_irq); EXPORT_SYMBOL(kernel_thread); /* Networking helper routines. */ -EXPORT_SYMBOL(csum_partial_copy); +EXPORT_SYMBOL(csum_partial_copy_nocheck); EXPORT_SYMBOL(strstr); diff --git a/arch/sh64/lib/c-checksum.c b/arch/sh64/lib/c-checksum.c index 0e8a742..4b26763 100644 --- a/arch/sh64/lib/c-checksum.c +++ b/arch/sh64/lib/c-checksum.c @@ -118,24 +118,24 @@ static unsigned long do_csum(const unsigned char *buff, int len) /* computes the checksum of a memory block at buff, length len, and adds in "sum" (32-bit) */ -unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum) +__wsum csum_partial(const void *buff, int len, __wsum sum) { unsigned long long result = do_csum(buff, len); /* add in old sum, and carry.. */ - result += sum; + result += (__force u32)sum; /* 32+c bits -> 32 bits */ result = (result & 0xffffffff) + (result >> 32); pr_debug("csum_partial, buff %p len %d sum 0x%x result=0x%016Lx\n", buff, len, sum, result); - return result; + return (__force __wsum)result; } /* Copy while checksumming, otherwise like csum_partial. */ -unsigned int -csum_partial_copy(const unsigned char *src, unsigned char *dst, int len, unsigned int sum) +__wsum +csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) { sum = csum_partial(src, len, sum); memcpy(dst, src, len); @@ -145,9 +145,9 @@ csum_partial_copy(const unsigned char *src, unsigned char *dst, int len, unsigne /* Copy from userspace and compute checksum. If we catch an exception then zero the rest of the buffer. */ -unsigned int -csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, int len, - unsigned int sum, int *err_ptr) +__wsum +csum_partial_copy_from_user(const void __user *src, void *dst, int len, + __wsum sum, int *err_ptr) { int missing; @@ -166,9 +166,9 @@ csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, int le } /* Copy to userspace and compute checksum. */ -unsigned int +__wsum csum_partial_copy_to_user(const unsigned char *src, unsigned char *dst, int len, - unsigned int sum, int *err_ptr) + __wsum sum, int *err_ptr) { sum = csum_partial(src, len, sum); @@ -182,28 +182,24 @@ csum_partial_copy_to_user(const unsigned char *src, unsigned char *dst, int len, * This is a version of ip_compute_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. */ -unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) +__sum16 ip_fast_csum(const void *iph, unsigned int ihl) { pr_debug("ip_fast_csum %p,%d\n", iph, ihl); - return ~do_csum(iph, ihl * 4); + return (__force __sum16)~do_csum(iph, ihl * 4); } -unsigned int csum_tcpudp_nofold(unsigned long saddr, - unsigned long daddr, +__wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, unsigned int sum) + unsigned short proto, __wsum sum) { unsigned long long result; pr_debug("ntohs(0x%x)=0x%x\n", 0xdead, ntohs(0xdead)); pr_debug("htons(0x%x)=0x%x\n", 0xdead, htons(0xdead)); - result = ((unsigned long long) saddr + - (unsigned long long) daddr + - (unsigned long long) sum + - ((unsigned long long) ntohs(len) << 16) + - ((unsigned long long) proto << 8)); + result = (__force u64) saddr + (__force u64) daddr + + (__force u64) sum + ((len + proto) << 8); /* Fold down to 32-bits so we don't loose in the typedef-less network stack. */ @@ -215,16 +211,5 @@ unsigned int csum_tcpudp_nofold(unsigned long saddr, pr_debug("%s saddr %x daddr %x len %x proto %x sum %x result %08Lx\n", __FUNCTION__, saddr, daddr, len, proto, sum, result); - return result; -} - -// Post SIM: -unsigned int -csum_partial_copy_nocheck(const unsigned char *src, unsigned char *dst, int len, unsigned int sum) -{ - // unsigned dummy; - pr_debug("csum_partial_copy_nocheck src %p dst %p len %d\n", src, dst, - len); - - return csum_partial_copy(src, dst, len, sum); + return (__wsum)result; } |