diff options
Diffstat (limited to 'include/net/checksum.h')
| -rw-r--r-- | include/net/checksum.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/checksum.h b/include/net/checksum.h index 5b96d5bd6e54..5218041e5c8f 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -180,4 +180,8 @@ static inline void remcsum_unadjust(__sum16 *psum, __wsum delta) *psum = csum_fold(csum_sub(delta, (__force __wsum)*psum)); } +static inline __wsum wsum_negate(__wsum val) +{ + return (__force __wsum)-((__force u32)val); +} #endif |