diff options
Diffstat (limited to 'include/asm-blackfin')
-rw-r--r-- | include/asm-blackfin/checksum.h | 29 |
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 | */ |
18 | unsigned 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 | ||
28 | unsigned 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 | ||
38 | extern unsigned int csum_partial_copy_from_user(const unsigned char *src, | 38 | extern __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 | ||
45 | unsigned 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 | ||
51 | static inline unsigned int csum_fold(unsigned int sum) | 50 | static 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 | ||
63 | static inline unsigned int | 62 | static inline __wsum |
64 | csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, | 63 | csum_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 | ||
87 | static inline unsigned short int | 86 | static inline __sum16 |
88 | csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, | 87 | csum_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 | ||
99 | extern unsigned short ip_compute_csum(const unsigned char *buff, int len); | 98 | extern __sum16 ip_compute_csum(const void *buff, int len); |
100 | 99 | ||
101 | #endif /* _BFIN_CHECKSUM_H */ | 100 | #endif /* _BFIN_CHECKSUM_H */ |