lgcosta
da2e9b679a
- pfk.h: BSD types/ioctl encoding (OpenBSD bit layout), locks (NET_LOCK=rwsem), pools, timeouts, mbuf shim over sk_buff, ifnet registry, toeplitz/siphash - pfk_mod/pfk_hooks: misc /dev/pf (0600), IPv4 netfilter hook skeleton, DIOCGETSTATUS answered (M1 skeleton; engine ioctls land with pf_ioctl.c) - vendorize/stage-port scripts: deterministic upstream staging with seds (struct renames, IFF_*->PFIFF_*, sa_len drops) logged to docs/porting-notes - fixes: modules_prepare+Module.symvers for out-of-tree builds
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/* PFLINUX compat: <sys/socket.h> — BSD sockaddrs stay Linux-layout;
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* sa_len fields are removed by the staging sed (see PORTING.md).
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* Provides BSD sockaddr accessor macros + address family constants. */
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#ifndef _PFK_SOCKET_H
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#define _PFK_SOCKET_H
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#include <linux/types.h>
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struct pfk_sockaddr_union {
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struct sockaddr_storage ss;
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};
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#define sintosa(x) ((struct sockaddr_in *)(void *)(x))
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#define sin6tosa(x) ((struct sockaddr_in6 *)(void *)(x))
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#define sa_tosa(x) ((struct sockaddr *)(void *)(x))
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#define satosa(x) ((struct sockaddr *)(void *)(x))
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#define satoxp(x) ((void *)(x)) /* unused; keep symbol */
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#define SA_LEN(x) (((x)->sa_family == AF_INET) ? \
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sizeof(struct sockaddr_in) : \
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((x)->sa_family == AF_INET6) ? \
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sizeof(struct sockaddr_in6) : 16)
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#define PFK_SA(x) ((struct sockaddr *)(x))
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#define PFK_INA(x) (&((struct sockaddr_in *)(x))->sin_addr)
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#define PFK_SA6(x) ((struct sockaddr_in6 *)(x))
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/* BSD sin_port/sin_addr == Linux: both network byte order fields */
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#ifndef SIN_IS_PRIVATE
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#define SIN_IS_PRIVATE 1
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#endif
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/* AF_INET6 == 10 on both sides */
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#ifndef AF_LINK
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#define AF_LINK 18 /* OpenBSD value; used by pf for link sa */
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#endif
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static inline int pfk_sa_cmp(const struct sockaddr *a, const struct sockaddr *b)
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{
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if (a->sa_family != b->sa_family)
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return 1;
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switch (a->sa_family) {
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case AF_INET:
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return memcmp(sintosa(a), sintosa(b), sizeof(struct sockaddr_in));
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case AF_INET6:
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return memcmp(sin6tosa(a), sin6tosa(b), sizeof(struct sockaddr_in6));
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}
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return 1;
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}
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#endif
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