diff options
Diffstat (limited to 'include/linux/netfilter.h')
| -rw-r--r-- | include/linux/netfilter.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index d163e20ca8d..711e05f33d6 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -21,6 +21,16 @@ #define NF_STOP 5 #define NF_MAX_VERDICT NF_STOP +/* we overload the higher bits for encoding auxiliary data such as the queue + * number. Not nice, but better than additional function arguments. */ +#define NF_VERDICT_MASK 0x0000ffff +#define NF_VERDICT_BITS 16 + +#define NF_VERDICT_QMASK 0xffff0000 +#define NF_VERDICT_QBITS 16 + +#define NF_QUEUE_NR(x) ((x << NF_VERDICT_QBITS) & NF_VERDICT_QMASK || NF_QUEUE) + /* only for userspace compatibility */ #ifndef __KERNEL__ /* Generic cache responses from hook functions. @@ -179,10 +189,12 @@ int nf_getsockopt(struct sock *sk, int pf, int optval, char __user *opt, /* Packet queuing */ typedef int (*nf_queue_outfn_t)(struct sk_buff *skb, - struct nf_info *info, void *data); + struct nf_info *info, + unsigned int queuenum, void *data); extern int nf_register_queue_handler(int pf, nf_queue_outfn_t outfn, void *data); extern int nf_unregister_queue_handler(int pf); +extern void nf_unregister_queue_handlers(nf_queue_outfn_t outfn); extern void nf_reinject(struct sk_buff *skb, struct nf_info *info, unsigned int verdict); |