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 /arch/cris/arch-v10/lib/old_checksum.c | |
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 'arch/cris/arch-v10/lib/old_checksum.c')
-rw-r--r-- | arch/cris/arch-v10/lib/old_checksum.c | 62 |
1 files changed, 32 insertions, 30 deletions
diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c index 22a6f0aa9ce..497634a6482 100644 --- a/arch/cris/arch-v10/lib/old_checksum.c +++ b/arch/cris/arch-v10/lib/old_checksum.c @@ -47,39 +47,41 @@ #include <asm/delay.h> -unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum) +__wsum csum_partial(const void *p, int len, __wsum __sum) { - /* - * Experiments with ethernet and slip connections show that buff - * is aligned on either a 2-byte or 4-byte boundary. - */ - const unsigned char *endMarker = buff + len; - const unsigned char *marker = endMarker - (len % 16); + u32 sum = (__force u32)__sum; + const u16 *buff = p; + /* + * Experiments with ethernet and slip connections show that buff + * is aligned on either a 2-byte or 4-byte boundary. + */ + const void *endMarker = p + len; + const void *marker = endMarker - (len % 16); #if 0 - if((int)buff & 0x3) - printk("unaligned buff %p\n", buff); - __delay(900); /* extra delay of 90 us to test performance hit */ + if((int)buff & 0x3) + printk("unaligned buff %p\n", buff); + __delay(900); /* extra delay of 90 us to test performance hit */ #endif - BITON; - while (buff < marker) { - sum += *((unsigned short *)buff)++; - sum += *((unsigned short *)buff)++; - sum += *((unsigned short *)buff)++; - sum += *((unsigned short *)buff)++; - sum += *((unsigned short *)buff)++; - sum += *((unsigned short *)buff)++; - sum += *((unsigned short *)buff)++; - sum += *((unsigned short *)buff)++; - } - marker = endMarker - (len % 2); - while(buff < marker) { - sum += *((unsigned short *)buff)++; - } - if(endMarker - buff > 0) { - sum += *buff; /* add extra byte seperately */ - } - BITOFF; - return(sum); + BITON; + while (buff < marker) { + sum += *buff++; + sum += *buff++; + sum += *buff++; + sum += *buff++; + sum += *buff++; + sum += *buff++; + sum += *buff++; + sum += *buff++; + } + marker = endMarker - (len % 2); + while (buff < marker) + sum += *buff++; + + if (endMarker > buff) + sum += *(const u8 *)buff; /* add extra byte seperately */ + + BITOFF; + return (__force __wsum)sum; } EXPORT_SYMBOL(csum_partial); |