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-rw-r--r--include/asm-blackfin/checksum.h29
1 files changed, 14 insertions, 15 deletions
diff --git a/include/asm-blackfin/checksum.h b/include/asm-blackfin/checksum.h
index 2638f2586d2f..6f6af2b8e9e0 100644
--- a/include/asm-blackfin/checksum.h
+++ b/include/asm-blackfin/checksum.h
@@ -15,7 +15,7 @@
15 * 15 *
16 * it's best to have buff aligned on a 32-bit boundary 16 * it's best to have buff aligned on a 32-bit boundary
17 */ 17 */
18unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum); 18__wsum csum_partial(const void *buff, int len, __wsum sum);
19 19
20/* 20/*
21 * the same as csum_partial, but copies from src while it 21 * the same as csum_partial, but copies from src while it
@@ -25,8 +25,8 @@ unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum);
25 * better 64-bit) boundary 25 * better 64-bit) boundary
26 */ 26 */
27 27
28unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst, 28__wsum csum_partial_copy(const void *src, void *dst,
29 int len, int sum); 29 int len, __wsum sum);
30 30
31/* 31/*
32 * the same as csum_partial_copy, but copies from user space. 32 * the same as csum_partial_copy, but copies from user space.
@@ -35,20 +35,19 @@ unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst,
35 * better 64-bit) boundary 35 * better 64-bit) boundary
36 */ 36 */
37 37
38extern unsigned int csum_partial_copy_from_user(const unsigned char *src, 38extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
39 unsigned char *dst, int len, 39 int len, __wsum sum, int *csum_err);
40 int sum, int *csum_err);
41 40
42#define csum_partial_copy_nocheck(src, dst, len, sum) \ 41#define csum_partial_copy_nocheck(src, dst, len, sum) \
43 csum_partial_copy((src), (dst), (len), (sum)) 42 csum_partial_copy((src), (dst), (len), (sum))
44 43
45unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl); 44__sum16 ip_fast_csum(unsigned char *iph, unsigned int ihl);
46 45
47/* 46/*
48 * Fold a partial checksum 47 * Fold a partial checksum
49 */ 48 */
50 49
51static inline unsigned int csum_fold(unsigned int sum) 50static inline __sum16 csum_fold(__wsum sum)
52{ 51{
53 while (sum >> 16) 52 while (sum >> 16)
54 sum = (sum & 0xffff) + (sum >> 16); 53 sum = (sum & 0xffff) + (sum >> 16);
@@ -60,9 +59,9 @@ static inline unsigned int csum_fold(unsigned int sum)
60 * returns a 16-bit checksum, already complemented 59 * returns a 16-bit checksum, already complemented
61 */ 60 */
62 61
63static inline unsigned int 62static inline __wsum
64csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, 63csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
65 unsigned short proto, unsigned int sum) 64 unsigned short proto, __wsum sum)
66{ 65{
67 66
68 __asm__ ("%0 = %0 + %1;\n\t" 67 __asm__ ("%0 = %0 + %1;\n\t"
@@ -84,9 +83,9 @@ csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len,
84 return (sum); 83 return (sum);
85} 84}
86 85
87static inline unsigned short int 86static inline __sum16
88csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, 87csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
89 unsigned short proto, unsigned int sum) 88 unsigned short proto, __wsum sum)
90{ 89{
91 return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); 90 return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
92} 91}
@@ -96,6 +95,6 @@ csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len,
96 * in icmp.c 95 * in icmp.c
97 */ 96 */
98 97
99extern unsigned short ip_compute_csum(const unsigned char *buff, int len); 98extern __sum16 ip_compute_csum(const void *buff, int len);
100 99
101#endif /* _BFIN_CHECKSUM_H */ 100#endif /* _BFIN_CHECKSUM_H */