diff options
| author | Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de> | 2003-01-04 00:34:57 -0600 |
|---|---|---|
| committer | Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de> | 2003-01-04 00:34:57 -0600 |
| commit | 05cb64babb37896457bfc536f4be8cd554397934 (patch) | |
| tree | cb9dbeca4f4959d0dc18b512ccc0e479b9cd5710 /include/linux | |
| parent | 50765282537396cd810f9f80318ac734d24bf304 (diff) | |
| parent | 6b4e1e926ae0ee936914e4fd729382af433938fb (diff) | |
Merge tp1.ruhr-uni-bochum.de:/home/kai/kernel/v2.5/linux-2.5
into tp1.ruhr-uni-bochum.de:/home/kai/kernel/v2.5/linux-2.5.isdn
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/compat.h | 3 | ||||
| -rw-r--r-- | include/linux/crc32.h | 12 |
2 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index 3f634baef539..39405f5a06ea 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -10,6 +10,7 @@ #include <linux/stat.h> #include <linux/param.h> /* for HZ */ +#include <linux/fcntl.h> /* for struct flock */ #include <asm/compat.h> #define compat_jiffies_to_clock_t(x) \ @@ -33,6 +34,8 @@ struct compat_tms { }; extern int cp_compat_stat(struct kstat *, struct compat_stat *); +extern int get_compat_flock(struct flock *, struct compat_flock *); +extern int put_compat_flock(struct flock *, struct compat_flock *); #endif /* CONFIG_COMPAT */ #endif /* _LINUX_COMPAT_H */ diff --git a/include/linux/crc32.h b/include/linux/crc32.h index a0033ffee91c..56c0645789a9 100644 --- a/include/linux/crc32.h +++ b/include/linux/crc32.h @@ -9,9 +9,19 @@ extern u32 crc32_le(u32 crc, unsigned char const *p, size_t len); extern u32 crc32_be(u32 crc, unsigned char const *p, size_t len); +extern u32 bitreverse(u32 in); #define crc32(seed, data, length) crc32_le(seed, (unsigned char const *)data, length) + +/* + * Helpers for hash table generation of ethernet nics: + * + * Ethernet sends the least significant bit of a byte first, thus crc32_le + * is used. The output of crc32_le is bit reversed [most significant bit + * is in bit nr 0], thus it must be reversed before use. Except for + * nics that bit swap the result internally... + */ +#define ether_crc(length, data) bitreverse(crc32_le(~0, data, length)) #define ether_crc_le(length, data) crc32_le(~0, data, length) -#define ether_crc(length, data) crc32_be(~0, data, length) #endif /* _LINUX_CRC32_H */ |