diff options
Diffstat (limited to 'include/linux/netfilter.h')
| -rw-r--r-- | include/linux/netfilter.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index ff9c84c29b2..4541f33dbfc 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -94,6 +94,16 @@ static inline int nf_inet_addr_cmp(const union nf_inet_addr *a1, a1->all[3] == a2->all[3]; } +static inline void nf_inet_addr_mask(const union nf_inet_addr *a1, + union nf_inet_addr *result, + const union nf_inet_addr *mask) +{ + result->all[0] = a1->all[0] & mask->all[0]; + result->all[1] = a1->all[1] & mask->all[1]; + result->all[2] = a1->all[2] & mask->all[2]; + result->all[3] = a1->all[3] & mask->all[3]; +} + extern void netfilter_init(void); /* Largest hook number + 1 */ |