60c195c729
Netfilter traditionally uses BSD integer types in its interface headers. This changes it to use the Linux strict integer types, like everyone else. Cc: netfilter-devel@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
#ifndef _NFNETLINK_COMPAT_H
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#define _NFNETLINK_COMPAT_H
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#include <linux/types.h>
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#ifndef __KERNEL__
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/* Old nfnetlink macros for userspace */
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/* nfnetlink groups: Up to 32 maximum */
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#define NF_NETLINK_CONNTRACK_NEW 0x00000001
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#define NF_NETLINK_CONNTRACK_UPDATE 0x00000002
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#define NF_NETLINK_CONNTRACK_DESTROY 0x00000004
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#define NF_NETLINK_CONNTRACK_EXP_NEW 0x00000008
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#define NF_NETLINK_CONNTRACK_EXP_UPDATE 0x00000010
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#define NF_NETLINK_CONNTRACK_EXP_DESTROY 0x00000020
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/* Generic structure for encapsulation optional netfilter information.
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* It is reminiscent of sockaddr, but with sa_family replaced
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* with attribute type.
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* ! This should someday be put somewhere generic as now rtnetlink and
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* ! nfnetlink use the same attributes methods. - J. Schulist.
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*/
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struct nfattr
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{
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__u16 nfa_len;
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__u16 nfa_type; /* we use 15 bits for the type, and the highest
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* bit to indicate whether the payload is nested */
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};
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/* FIXME: Apart from NFNL_NFA_NESTED shamelessly copy and pasted from
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* rtnetlink.h, it's time to put this in a generic file */
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#define NFNL_NFA_NEST 0x8000
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#define NFA_TYPE(attr) ((attr)->nfa_type & 0x7fff)
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#define NFA_ALIGNTO 4
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#define NFA_ALIGN(len) (((len) + NFA_ALIGNTO - 1) & ~(NFA_ALIGNTO - 1))
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#define NFA_OK(nfa,len) ((len) > 0 && (nfa)->nfa_len >= sizeof(struct nfattr) \
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&& (nfa)->nfa_len <= (len))
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#define NFA_NEXT(nfa,attrlen) ((attrlen) -= NFA_ALIGN((nfa)->nfa_len), \
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(struct nfattr *)(((char *)(nfa)) + NFA_ALIGN((nfa)->nfa_len)))
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#define NFA_LENGTH(len) (NFA_ALIGN(sizeof(struct nfattr)) + (len))
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#define NFA_SPACE(len) NFA_ALIGN(NFA_LENGTH(len))
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#define NFA_DATA(nfa) ((void *)(((char *)(nfa)) + NFA_LENGTH(0)))
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#define NFA_PAYLOAD(nfa) ((int)((nfa)->nfa_len) - NFA_LENGTH(0))
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#define NFA_NEST(skb, type) \
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({ struct nfattr *__start = (struct nfattr *)skb_tail_pointer(skb); \
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NFA_PUT(skb, (NFNL_NFA_NEST | type), 0, NULL); \
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__start; })
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#define NFA_NEST_END(skb, start) \
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({ (start)->nfa_len = skb_tail_pointer(skb) - (unsigned char *)(start); \
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(skb)->len; })
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#define NFA_NEST_CANCEL(skb, start) \
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({ if (start) \
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skb_trim(skb, (unsigned char *) (start) - (skb)->data); \
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-1; })
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#define NFM_NFA(n) ((struct nfattr *)(((char *)(n)) \
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+ NLMSG_ALIGN(sizeof(struct nfgenmsg))))
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#define NFM_PAYLOAD(n) NLMSG_PAYLOAD(n, sizeof(struct nfgenmsg))
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#endif /* ! __KERNEL__ */
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#endif /* _NFNETLINK_COMPAT_H */
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