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In ipfilter(4) there is the ipftest(1) program, that compiles half of the

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ipfilter code as userland application. To reduce kernel structure knowledge
include if_var.h only if a file is compiled with _KERNEL defined.
In !_KERNEL case, provide our own definition of struct ifnet, that will
satisfy ipftest(1). This was already done earlier to struct ifaddr in
r279029. Protect the definition with _NET_IF_VAR_H_, since kernel part
of ipfilter may include if_var.h and ip_compat.h.

Sponsored by:	Netflix
Sponsored by:	Nginx, Inc.
This commit is contained in:
Gleb Smirnoff 2015-04-07 06:22:22 +00:00
parent 6fe1796015
commit b7703ad432
1 changed files with 23 additions and 11 deletions
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34
sys/contrib/ipfilter/netinet/ip_compat.h
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@ -153,7 +153,8 @@ struct ether_addr {
# include <sys/rwlock.h>
# define KMUTEX_T struct mtx
# define KRWLOCK_T struct rwlock
# ifdef _KERNEL
#ifdef _KERNEL
# define READ_ENTER(x) rw_rlock(&(x)->ipf_lk)
# define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk)
# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk)
@ -165,16 +166,7 @@ struct ether_addr {
else \
rw_runlock(&(x)->ipf_lk); \
} while (0)
# endif
# include <net/if_var.h>
# define IFNAME(x) ((struct ifnet *)x)->if_xname
# define COPYIFNAME(v, x, b) \
(void) strncpy(b, \
((struct ifnet *)x)->if_xname, \
LIFNAMSIZ)
# ifdef _KERNEL
# define GETKTIME(x) microtime((struct timeval *)x)
# include <netinet/in_systm.h>
@ -216,8 +208,28 @@ struct ether_addr {
# define M_DUP(m) m_dup(m, M_NOWAIT)
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
typedef struct mbuf mb_t;
# endif /* _KERNEL */
#else /* !_KERNEL */
#ifndef _NET_IF_VAR_H_
/*
* Userland emulation of struct ifnet.
*/
struct route;
struct mbuf;
struct ifnet {
char if_xname[IFNAMSIZ];
TAILQ_HEAD(, ifaddr) if_addrlist;
int (*if_output)(struct ifnet *, struct mbuf *,
const struct sockaddr *, struct route *);
};
#endif /* _NET_IF_VAR_H_ */
#endif /* _KERNEL */
# define IFNAME(x) ((struct ifnet *)x)->if_xname
# define COPYIFNAME(v, x, b) \
(void) strncpy(b, \
((struct ifnet *)x)->if_xname, \
LIFNAMSIZ)
typedef u_long ioctlcmd_t;
typedef struct uio uio_t;