ip_fast_csum       70 arch/x86/include/asm/checksum_32.h static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
ip_fast_csum       45 arch/x86/include/asm/checksum_64.h static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)