diff options
Diffstat (limited to 'include/asm-frv/checksum.h')
-rw-r--r-- | include/asm-frv/checksum.h | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/include/asm-frv/checksum.h b/include/asm-frv/checksum.h index 42bf0db2287a..9b1689850187 100644 --- a/include/asm-frv/checksum.h +++ b/include/asm-frv/checksum.h | |||
@@ -26,7 +26,7 @@ | |||
26 | * | 26 | * |
27 | * it's best to have buff aligned on a 32-bit boundary | 27 | * it's best to have buff aligned on a 32-bit boundary |
28 | */ | 28 | */ |
29 | unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum); | 29 | __wsum csum_partial(const void *buff, int len, __wsum sum); |
30 | 30 | ||
31 | /* | 31 | /* |
32 | * the same as csum_partial, but copies from src while it | 32 | * the same as csum_partial, but copies from src while it |
@@ -35,7 +35,7 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum) | |||
35 | * here even more important to align src and dst on a 32-bit (or even | 35 | * here even more important to align src and dst on a 32-bit (or even |
36 | * better 64-bit) boundary | 36 | * better 64-bit) boundary |
37 | */ | 37 | */ |
38 | unsigned int csum_partial_copy(const char *src, char *dst, int len, int sum); | 38 | __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum); |
39 | 39 | ||
40 | /* | 40 | /* |
41 | * the same as csum_partial_copy, but copies from user space. | 41 | * the same as csum_partial_copy, but copies from user space. |
@@ -43,11 +43,8 @@ unsigned int csum_partial_copy(const char *src, char *dst, int len, int sum); | |||
43 | * here even more important to align src and dst on a 32-bit (or even | 43 | * here even more important to align src and dst on a 32-bit (or even |
44 | * better 64-bit) boundary | 44 | * better 64-bit) boundary |
45 | */ | 45 | */ |
46 | extern unsigned int csum_partial_copy_from_user(const char __user *src, char *dst, | 46 | extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, |
47 | int len, int sum, int *csum_err); | 47 | int len, __wsum sum, int *csum_err); |
48 | |||
49 | #define csum_partial_copy_nocheck(src, dst, len, sum) \ | ||
50 | csum_partial_copy((src), (dst), (len), (sum)) | ||
51 | 48 | ||
52 | /* | 49 | /* |
53 | * This is a version of ip_compute_csum() optimized for IP headers, | 50 | * This is a version of ip_compute_csum() optimized for IP headers, |
@@ -55,7 +52,7 @@ extern unsigned int csum_partial_copy_from_user(const char __user *src, char *ds | |||
55 | * | 52 | * |
56 | */ | 53 | */ |
57 | static inline | 54 | static inline |
58 | unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) | 55 | __sum16 ip_fast_csum(const void *iph, unsigned int ihl) |
59 | { | 56 | { |
60 | unsigned int tmp, inc, sum = 0; | 57 | unsigned int tmp, inc, sum = 0; |
61 | 58 | ||
@@ -81,13 +78,13 @@ unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) | |||
81 | : "icc0", "icc1" | 78 | : "icc0", "icc1" |
82 | ); | 79 | ); |
83 | 80 | ||
84 | return ~sum; | 81 | return (__force __sum16)~sum; |
85 | } | 82 | } |
86 | 83 | ||
87 | /* | 84 | /* |
88 | * Fold a partial checksum | 85 | * Fold a partial checksum |
89 | */ | 86 | */ |
90 | static inline unsigned int csum_fold(unsigned int sum) | 87 | static inline __sum16 csum_fold(__wsum sum) |
91 | { | 88 | { |
92 | unsigned int tmp; | 89 | unsigned int tmp; |
93 | 90 | ||
@@ -100,16 +97,16 @@ static inline unsigned int csum_fold(unsigned int sum) | |||
100 | : "0"(sum) | 97 | : "0"(sum) |
101 | ); | 98 | ); |
102 | 99 | ||
103 | return ~sum; | 100 | return (__force __sum16)~sum; |
104 | } | 101 | } |
105 | 102 | ||
106 | /* | 103 | /* |
107 | * computes the checksum of the TCP/UDP pseudo-header | 104 | * computes the checksum of the TCP/UDP pseudo-header |
108 | * returns a 16-bit checksum, already complemented | 105 | * returns a 16-bit checksum, already complemented |
109 | */ | 106 | */ |
110 | static inline unsigned int | 107 | static inline __wsum |
111 | csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, | 108 | csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, |
112 | unsigned short proto, unsigned int sum) | 109 | unsigned short proto, __wsum sum) |
113 | { | 110 | { |
114 | asm(" addcc %1,%0,%0,icc0 \n" | 111 | asm(" addcc %1,%0,%0,icc0 \n" |
115 | " addxcc %2,%0,%0,icc0 \n" | 112 | " addxcc %2,%0,%0,icc0 \n" |
@@ -122,9 +119,9 @@ csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, | |||
122 | return sum; | 119 | return sum; |
123 | } | 120 | } |
124 | 121 | ||
125 | static inline unsigned short int | 122 | static inline __sum16 |
126 | csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, | 123 | csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, |
127 | unsigned short proto, unsigned int sum) | 124 | unsigned short proto, __wsum sum) |
128 | { | 125 | { |
129 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); | 126 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); |
130 | } | 127 | } |
@@ -133,12 +130,12 @@ csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, | |||
133 | * this routine is used for miscellaneous IP-like checksums, mainly | 130 | * this routine is used for miscellaneous IP-like checksums, mainly |
134 | * in icmp.c | 131 | * in icmp.c |
135 | */ | 132 | */ |
136 | extern unsigned short ip_compute_csum(const unsigned char * buff, int len); | 133 | extern __sum16 ip_compute_csum(const void *buff, int len); |
137 | 134 | ||
138 | #define _HAVE_ARCH_IPV6_CSUM | 135 | #define _HAVE_ARCH_IPV6_CSUM |
139 | static inline unsigned short int | 136 | static inline __sum16 |
140 | csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr, | 137 | csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr, |
141 | __u32 len, unsigned short proto, unsigned int sum) | 138 | __u32 len, unsigned short proto, __wsum sum) |
142 | { | 139 | { |
143 | unsigned long tmp, tmp2; | 140 | unsigned long tmp, tmp2; |
144 | 141 | ||
@@ -177,7 +174,7 @@ csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr, | |||
177 | : "icc0" | 174 | : "icc0" |
178 | ); | 175 | ); |
179 | 176 | ||
180 | return ~sum; | 177 | return (__force __sum16)~sum; |
181 | } | 178 | } |
182 | 179 | ||
183 | #endif /* _ASM_CHECKSUM_H */ | 180 | #endif /* _ASM_CHECKSUM_H */ |