diff options
author | David Howells <dhowells@redhat.com> | 2006-12-05 14:37:56 +0000 |
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committer | David Howells <dhowells@warthog.cambridge.redhat.com> | 2006-12-05 14:37:56 +0000 |
commit | 4c1ac1b49122b805adfa4efc620592f68dccf5db (patch) | |
tree | 87557f4bc2fd4fe65b7570489c2f610c45c0adcd /include/asm-cris/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-cris/checksum.h')
-rw-r--r-- | include/asm-cris/checksum.h | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/include/asm-cris/checksum.h b/include/asm-cris/checksum.h index 26a7719bbb8..180dbf2757b 100644 --- a/include/asm-cris/checksum.h +++ b/include/asm-cris/checksum.h @@ -17,7 +17,7 @@ * * it's best to have buff aligned on a 32-bit boundary */ -unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum); +__wsum csum_partial(const void *buff, int len, __wsum sum); /* * the same as csum_partial, but copies from src while it @@ -27,26 +27,23 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum) * better 64-bit) boundary */ -unsigned int csum_partial_copy_nocheck(const char *src, char *dst, - int len, unsigned int sum); +__wsum csum_partial_copy_nocheck(const void *src, void *dst, + int len, __wsum sum); /* * Fold a partial checksum into a word */ -static inline unsigned int csum_fold(unsigned int sum) +static inline __sum16 csum_fold(__wsum csum) { - /* the while loop is unnecessary really, it's always enough with two - iterations */ - - while(sum >> 16) - sum = (sum & 0xffff) + (sum >> 16); /* add in end-around carry */ - - return ~sum; + u32 sum = (__force u32)csum; + sum = (sum & 0xffff) + (sum >> 16); /* add in end-around carry */ + sum = (sum & 0xffff) + (sum >> 16); /* add in end-around carry */ + return (__force __sum16)~sum; } -extern unsigned int csum_partial_copy_from_user(const char *src, char *dst, - int len, unsigned int sum, +extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, + int len, __wsum sum, int *errptr); /* @@ -55,8 +52,7 @@ extern unsigned int csum_partial_copy_from_user(const char *src, char *dst, * */ -static inline unsigned short ip_fast_csum(unsigned char * iph, - unsigned int ihl) +static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) { return csum_fold(csum_partial(iph, ihl * 4, 0)); } @@ -66,11 +62,10 @@ static inline unsigned short ip_fast_csum(unsigned char * iph, * returns a 16-bit checksum, already complemented */ -static inline unsigned short int csum_tcpudp_magic(unsigned long saddr, - unsigned long daddr, +static inline __sum16 int csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, unsigned short proto, - unsigned int sum) + __wsum sum) { return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); } @@ -80,7 +75,8 @@ static inline unsigned short int csum_tcpudp_magic(unsigned long saddr, * in icmp.c */ -static inline unsigned short ip_compute_csum(unsigned char * buff, int len) { +static inline __sum16 ip_compute_csum(const void *buff, int len) +{ return csum_fold (csum_partial(buff, len, 0)); } |