diff options
Diffstat (limited to 'include/asm-m68k/checksum.h')
-rw-r--r-- | include/asm-m68k/checksum.h | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/include/asm-m68k/checksum.h b/include/asm-m68k/checksum.h index 17280ef719f5..494f9aec37ea 100644 --- a/include/asm-m68k/checksum.h +++ b/include/asm-m68k/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 |
@@ -25,22 +25,21 @@ 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 | extern unsigned int csum_partial_copy_from_user(const unsigned char __user *src, | 28 | extern __wsum csum_partial_copy_from_user(const void __user *src, |
29 | unsigned char *dst, | 29 | void *dst, |
30 | int len, int sum, | 30 | int len, __wsum sum, |
31 | int *csum_err); | 31 | int *csum_err); |
32 | 32 | ||
33 | extern unsigned int csum_partial_copy_nocheck(const unsigned char *src, | 33 | extern __wsum csum_partial_copy_nocheck(const void *src, |
34 | unsigned char *dst, int len, | 34 | void *dst, int len, |
35 | int sum); | 35 | __wsum sum); |
36 | 36 | ||
37 | /* | 37 | /* |
38 | * This is a version of ip_compute_csum() optimized for IP headers, | 38 | * This is a version of ip_compute_csum() optimized for IP headers, |
39 | * which always checksum on 4 octet boundaries. | 39 | * which always checksum on 4 octet boundaries. |
40 | * | 40 | * |
41 | */ | 41 | */ |
42 | static inline unsigned short | 42 | static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) |
43 | ip_fast_csum(unsigned char *iph, unsigned int ihl) | ||
44 | { | 43 | { |
45 | unsigned int sum = 0; | 44 | unsigned int sum = 0; |
46 | unsigned long tmp; | 45 | unsigned long tmp; |
@@ -58,29 +57,29 @@ ip_fast_csum(unsigned char *iph, unsigned int ihl) | |||
58 | : "=d" (sum), "=&a" (iph), "=&d" (ihl), "=&d" (tmp) | 57 | : "=d" (sum), "=&a" (iph), "=&d" (ihl), "=&d" (tmp) |
59 | : "0" (sum), "1" (iph), "2" (ihl) | 58 | : "0" (sum), "1" (iph), "2" (ihl) |
60 | : "memory"); | 59 | : "memory"); |
61 | return ~sum; | 60 | return (__force __sum16)~sum; |
62 | } | 61 | } |
63 | 62 | ||
64 | /* | 63 | /* |
65 | * Fold a partial checksum | 64 | * Fold a partial checksum |
66 | */ | 65 | */ |
67 | 66 | ||
68 | static inline unsigned int csum_fold(unsigned int sum) | 67 | static inline __sum16 csum_fold(__wsum sum) |
69 | { | 68 | { |
70 | unsigned int tmp = sum; | 69 | unsigned int tmp = (__force u32)sum; |
71 | __asm__("swap %1\n\t" | 70 | __asm__("swap %1\n\t" |
72 | "addw %1, %0\n\t" | 71 | "addw %1, %0\n\t" |
73 | "clrw %1\n\t" | 72 | "clrw %1\n\t" |
74 | "addxw %1, %0" | 73 | "addxw %1, %0" |
75 | : "=&d" (sum), "=&d" (tmp) | 74 | : "=&d" (sum), "=&d" (tmp) |
76 | : "0" (sum), "1" (tmp)); | 75 | : "0" (sum), "1" (tmp)); |
77 | return ~sum; | 76 | return (__force __sum16)~sum; |
78 | } | 77 | } |
79 | 78 | ||
80 | 79 | ||
81 | static inline unsigned int | 80 | static inline __wsum |
82 | csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, | 81 | csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, |
83 | unsigned short proto, unsigned int sum) | 82 | unsigned short proto, __wsum sum) |
84 | { | 83 | { |
85 | __asm__ ("addl %2,%0\n\t" | 84 | __asm__ ("addl %2,%0\n\t" |
86 | "addxl %3,%0\n\t" | 85 | "addxl %3,%0\n\t" |
@@ -98,9 +97,9 @@ csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, | |||
98 | * computes the checksum of the TCP/UDP pseudo-header | 97 | * computes the checksum of the TCP/UDP pseudo-header |
99 | * returns a 16-bit checksum, already complemented | 98 | * returns a 16-bit checksum, already complemented |
100 | */ | 99 | */ |
101 | static inline unsigned short int | 100 | static inline __sum16 |
102 | csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, | 101 | csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, |
103 | unsigned short proto, unsigned int sum) | 102 | unsigned short proto, __wsum sum) |
104 | { | 103 | { |
105 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); | 104 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); |
106 | } | 105 | } |
@@ -110,16 +109,15 @@ csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, | |||
110 | * in icmp.c | 109 | * in icmp.c |
111 | */ | 110 | */ |
112 | 111 | ||
113 | static inline unsigned short | 112 | static inline __sum16 ip_compute_csum(const void *buff, int len) |
114 | ip_compute_csum(unsigned char * buff, int len) | ||
115 | { | 113 | { |
116 | return csum_fold (csum_partial(buff, len, 0)); | 114 | return csum_fold (csum_partial(buff, len, 0)); |
117 | } | 115 | } |
118 | 116 | ||
119 | #define _HAVE_ARCH_IPV6_CSUM | 117 | #define _HAVE_ARCH_IPV6_CSUM |
120 | static __inline__ unsigned short int | 118 | static __inline__ __sum16 |
121 | csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr, | 119 | csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr, |
122 | __u32 len, unsigned short proto, unsigned int sum) | 120 | __u32 len, unsigned short proto, __wsum sum) |
123 | { | 121 | { |
124 | register unsigned long tmp; | 122 | register unsigned long tmp; |
125 | __asm__("addl %2@,%0\n\t" | 123 | __asm__("addl %2@,%0\n\t" |