diff options
author | David Howells <dhowells@redhat.com> | 2006-12-05 09:37:56 -0500 |
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committer | David Howells <dhowells@warthog.cambridge.redhat.com> | 2006-12-05 09:37:56 -0500 |
commit | 4c1ac1b49122b805adfa4efc620592f68dccf5db (patch) | |
tree | 87557f4bc2fd4fe65b7570489c2f610c45c0adcd /include/asm-sh/checksum.h | |
parent | c4028958b6ecad064b1a6303a6a5906d4fe48d73 (diff) | |
parent | d916faace3efc0bf19fe9a615a1ab8fa1a24cd93 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/infiniband/core/iwcm.c
drivers/net/chelsio/cxgb2.c
drivers/net/wireless/bcm43xx/bcm43xx_main.c
drivers/net/wireless/prism54/islpci_eth.c
drivers/usb/core/hub.h
drivers/usb/input/hid-core.c
net/core/netpoll.c
Fix up merge failures with Linus's head and fix new compilation failures.
Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/asm-sh/checksum.h')
-rw-r--r-- | include/asm-sh/checksum.h | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/include/asm-sh/checksum.h b/include/asm-sh/checksum.h index 08168afe6746..d44344c88e73 100644 --- a/include/asm-sh/checksum.h +++ b/include/asm-sh/checksum.h | |||
@@ -23,7 +23,7 @@ | |||
23 | * | 23 | * |
24 | * it's best to have buff aligned on a 32-bit boundary | 24 | * it's best to have buff aligned on a 32-bit boundary |
25 | */ | 25 | */ |
26 | asmlinkage unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum); | 26 | asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum); |
27 | 27 | ||
28 | /* | 28 | /* |
29 | * the same as csum_partial, but copies from src while it | 29 | * the same as csum_partial, but copies from src while it |
@@ -33,8 +33,8 @@ asmlinkage unsigned int csum_partial(const unsigned char * buff, int len, unsign | |||
33 | * better 64-bit) boundary | 33 | * better 64-bit) boundary |
34 | */ | 34 | */ |
35 | 35 | ||
36 | asmlinkage unsigned int csum_partial_copy_generic(const unsigned char *src, unsigned char *dst, | 36 | asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, |
37 | int len, int sum, int *src_err_ptr, int *dst_err_ptr); | 37 | int len, __wsum sum, int *src_err_ptr, int *dst_err_ptr); |
38 | 38 | ||
39 | /* | 39 | /* |
40 | * Note: when you get a NULL pointer exception here this means someone | 40 | * Note: when you get a NULL pointer exception here this means someone |
@@ -44,24 +44,25 @@ asmlinkage unsigned int csum_partial_copy_generic(const unsigned char *src, unsi | |||
44 | * access_ok(). | 44 | * access_ok(). |
45 | */ | 45 | */ |
46 | static __inline__ | 46 | static __inline__ |
47 | unsigned int csum_partial_copy_nocheck (const unsigned char *src, unsigned char *dst, | 47 | __wsum csum_partial_copy_nocheck(const void *src, void *dst, |
48 | int len, int sum) | 48 | int len, __wsum sum) |
49 | { | 49 | { |
50 | return csum_partial_copy_generic ( src, dst, len, sum, NULL, NULL); | 50 | return csum_partial_copy_generic ( src, dst, len, sum, NULL, NULL); |
51 | } | 51 | } |
52 | 52 | ||
53 | static __inline__ | 53 | static __inline__ |
54 | unsigned int csum_partial_copy_from_user (const unsigned char *src, unsigned char *dst, | 54 | __wsum csum_partial_copy_from_user(const void __user *src, void *dst, |
55 | int len, int sum, int *err_ptr) | 55 | int len, __wsum sum, int *err_ptr) |
56 | { | 56 | { |
57 | return csum_partial_copy_generic ( src, dst, len, sum, err_ptr, NULL); | 57 | return csum_partial_copy_generic((__force const void *)src, dst, |
58 | len, sum, err_ptr, NULL); | ||
58 | } | 59 | } |
59 | 60 | ||
60 | /* | 61 | /* |
61 | * Fold a partial checksum | 62 | * Fold a partial checksum |
62 | */ | 63 | */ |
63 | 64 | ||
64 | static __inline__ unsigned int csum_fold(unsigned int sum) | 65 | static __inline__ __sum16 csum_fold(__wsum sum) |
65 | { | 66 | { |
66 | unsigned int __dummy; | 67 | unsigned int __dummy; |
67 | __asm__("swap.w %0, %1\n\t" | 68 | __asm__("swap.w %0, %1\n\t" |
@@ -74,7 +75,7 @@ static __inline__ unsigned int csum_fold(unsigned int sum) | |||
74 | : "=r" (sum), "=&r" (__dummy) | 75 | : "=r" (sum), "=&r" (__dummy) |
75 | : "0" (sum) | 76 | : "0" (sum) |
76 | : "t"); | 77 | : "t"); |
77 | return sum; | 78 | return (__force __sum16)sum; |
78 | } | 79 | } |
79 | 80 | ||
80 | /* | 81 | /* |
@@ -84,7 +85,7 @@ static __inline__ unsigned int csum_fold(unsigned int sum) | |||
84 | * i386 version by Jorge Cwik <jorge@laser.satlink.net>, adapted | 85 | * i386 version by Jorge Cwik <jorge@laser.satlink.net>, adapted |
85 | * for linux by * Arnt Gulbrandsen. | 86 | * for linux by * Arnt Gulbrandsen. |
86 | */ | 87 | */ |
87 | static __inline__ unsigned short ip_fast_csum(unsigned char * iph, unsigned int ihl) | 88 | static __inline__ __sum16 ip_fast_csum(const void *iph, unsigned int ihl) |
88 | { | 89 | { |
89 | unsigned int sum, __dummy0, __dummy1; | 90 | unsigned int sum, __dummy0, __dummy1; |
90 | 91 | ||
@@ -112,16 +113,15 @@ static __inline__ unsigned short ip_fast_csum(unsigned char * iph, unsigned int | |||
112 | return csum_fold(sum); | 113 | return csum_fold(sum); |
113 | } | 114 | } |
114 | 115 | ||
115 | static __inline__ unsigned long csum_tcpudp_nofold(unsigned long saddr, | 116 | static __inline__ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, |
116 | unsigned long daddr, | ||
117 | unsigned short len, | 117 | unsigned short len, |
118 | unsigned short proto, | 118 | unsigned short proto, |
119 | unsigned int sum) | 119 | __wsum sum) |
120 | { | 120 | { |
121 | #ifdef __LITTLE_ENDIAN__ | 121 | #ifdef __LITTLE_ENDIAN__ |
122 | unsigned long len_proto = (ntohs(len)<<16)+proto*256; | 122 | unsigned long len_proto = (proto + len) << 8; |
123 | #else | 123 | #else |
124 | unsigned long len_proto = (proto<<16)+len; | 124 | unsigned long len_proto = proto + len; |
125 | #endif | 125 | #endif |
126 | __asm__("clrt\n\t" | 126 | __asm__("clrt\n\t" |
127 | "addc %0, %1\n\t" | 127 | "addc %0, %1\n\t" |
@@ -139,11 +139,10 @@ static __inline__ unsigned long csum_tcpudp_nofold(unsigned long saddr, | |||
139 | * computes the checksum of the TCP/UDP pseudo-header | 139 | * computes the checksum of the TCP/UDP pseudo-header |
140 | * returns a 16-bit checksum, already complemented | 140 | * returns a 16-bit checksum, already complemented |
141 | */ | 141 | */ |
142 | static __inline__ unsigned short int csum_tcpudp_magic(unsigned long saddr, | 142 | static __inline__ __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, |
143 | unsigned long daddr, | ||
144 | unsigned short len, | 143 | unsigned short len, |
145 | unsigned short proto, | 144 | unsigned short proto, |
146 | unsigned int sum) | 145 | __wsum sum) |
147 | { | 146 | { |
148 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); | 147 | return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); |
149 | } | 148 | } |
@@ -153,18 +152,17 @@ static __inline__ unsigned short int csum_tcpudp_magic(unsigned long saddr, | |||
153 | * in icmp.c | 152 | * in icmp.c |
154 | */ | 153 | */ |
155 | 154 | ||
156 | static __inline__ unsigned short ip_compute_csum(unsigned char * buff, int len) | 155 | static __inline__ __sum16 ip_compute_csum(const void *buff, int len) |
157 | { | 156 | { |
158 | return csum_fold (csum_partial(buff, len, 0)); | 157 | return csum_fold (csum_partial(buff, len, 0)); |
159 | } | 158 | } |
160 | 159 | ||
161 | #define _HAVE_ARCH_IPV6_CSUM | 160 | #define _HAVE_ARCH_IPV6_CSUM |
162 | #ifdef CONFIG_IPV6 | 161 | #ifdef CONFIG_IPV6 |
163 | static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr, | 162 | static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, |
164 | struct in6_addr *daddr, | 163 | const struct in6_addr *daddr, |
165 | __u32 len, | 164 | __u32 len, unsigned short proto, |
166 | unsigned short proto, | 165 | __wsum sum) |
167 | unsigned int sum) | ||
168 | { | 166 | { |
169 | unsigned int __dummy; | 167 | unsigned int __dummy; |
170 | __asm__("clrt\n\t" | 168 | __asm__("clrt\n\t" |
@@ -201,17 +199,18 @@ static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr, | |||
201 | * Copy and checksum to user | 199 | * Copy and checksum to user |
202 | */ | 200 | */ |
203 | #define HAVE_CSUM_COPY_USER | 201 | #define HAVE_CSUM_COPY_USER |
204 | static __inline__ unsigned int csum_and_copy_to_user (const unsigned char *src, | 202 | static __inline__ __wsum csum_and_copy_to_user (const void *src, |
205 | unsigned char __user *dst, | 203 | void __user *dst, |
206 | int len, int sum, | 204 | int len, __wsum sum, |
207 | int *err_ptr) | 205 | int *err_ptr) |
208 | { | 206 | { |
209 | if (access_ok(VERIFY_WRITE, dst, len)) | 207 | if (access_ok(VERIFY_WRITE, dst, len)) |
210 | return csum_partial_copy_generic(src, dst, len, sum, NULL, err_ptr); | 208 | return csum_partial_copy_generic((__force const void *)src, |
209 | dst, len, sum, NULL, err_ptr); | ||
211 | 210 | ||
212 | if (len) | 211 | if (len) |
213 | *err_ptr = -EFAULT; | 212 | *err_ptr = -EFAULT; |
214 | 213 | ||
215 | return -1; /* invalid checksum */ | 214 | return (__force __wsum)-1; /* invalid checksum */ |
216 | } | 215 | } |
217 | #endif /* __ASM_SH_CHECKSUM_H */ | 216 | #endif /* __ASM_SH_CHECKSUM_H */ |