#ifndef _SYS_SOCKETVAR_H_
#define _SYS_SOCKETVAR_H_
#include <sys/appleapiopts.h>
#include <sys/queue.h>
#include <sys/select.h>
#include <net/kext_net.h>
#include <sys/ev.h>
#include <sys/cdefs.h>
struct mbuf;
struct socket_filter_entry;
struct protosw;
struct sockif;
struct sockutil;
#ifdef KERNEL_PRIVATE
extern char netio[], netcon[], netcls[];
#define SOCKET_CACHE_ON
#define SO_CACHE_FLUSH_INTERVAL 1
#define SO_CACHE_TIME_LIMIT (120/SO_CACHE_FLUSH_INTERVAL)
#define SO_CACHE_MAX_FREE_BATCH 50
#define MAX_CACHED_SOCKETS 60000
#define TEMPDEBUG 0
#endif
typedef u_quad_t so_gen_t;
#ifdef KERNEL_PRIVATE
#ifndef __APPLE__
struct accept_filter;
#endif
struct socket {
int so_zone;
short so_type;
short so_options;
short so_linger;
short so_state;
caddr_t so_pcb;
struct protosw *so_proto;
struct socket *so_head;
TAILQ_HEAD(, socket) so_incomp;
TAILQ_HEAD(, socket) so_comp;
TAILQ_ENTRY(socket) so_list;
short so_qlen;
short so_incqlen;
short so_qlimit;
short so_timeo;
u_short so_error;
pid_t so_pgid;
u_long so_oobmark;
#ifndef __APPLE__
TAILQ_HEAD(, aiocblist) so_aiojobq;
#endif
struct sockbuf {
u_long sb_cc;
u_long sb_hiwat;
u_long sb_mbcnt;
u_long sb_mbmax;
u_long sb_ctl;
u_long sb_lowat;
struct mbuf *sb_mb;
struct mbuf *sb_mbtail;
struct mbuf *sb_lastrecord;
#if __APPLE__
struct socket *sb_so;
#endif
struct selinfo sb_sel;
short sb_flags;
struct timeval sb_timeo;
u_int sb_maxused;
void *reserved1[4];
} so_rcv, so_snd;
#define SB_MAX (8192*1024)
#define SB_LOCK 0x01
#define SB_WANT 0x02
#define SB_WAIT 0x04
#define SB_SEL 0x08
#define SB_ASYNC 0x10
#define SB_UPCALL 0x20
#define SB_NOINTR 0x40
#define SB_KNOTE 0x100
#define SB_USRSIZE 0x200
#ifndef __APPLE__
#define SB_AIO 0x80
#else
#define SB_NOTIFY (SB_WAIT|SB_SEL|SB_ASYNC)
#define SB_DROP 0x400
#define SB_UNIX 0x800
#define SB_RECV 0x8000
caddr_t so_tpcb;
#endif
void (*so_upcall)(struct socket *so, caddr_t arg, int waitf);
caddr_t so_upcallarg;
uid_t so_uid;
so_gen_t so_gencnt;
#ifndef __APPLE__
void *so_emuldata;
struct so_accf {
struct accept_filter *so_accept_filter;
void *so_accept_filter_arg;
char *so_accept_filter_str;
} *so_accf;
#else
TAILQ_HEAD(, eventqelt) so_evlist;
int cached_in_sock_layer;
struct socket *cache_next;
struct socket *cache_prev;
u_long cache_timestamp;
caddr_t so_saved_pcb;
struct mbuf *so_temp;
struct mbuf *so_tail;
struct socket_filter_entry *so_filt;
u_long so_flags;
#define SOF_NOSIGPIPE 0x1
#define SOF_NOADDRAVAIL 0x2
#define SOF_PCBCLEARING 0x4
#define SOF_DEFUNCT 0x8
#define SOF_CLOSEWAIT 0x10
#define SOF_UPCALLINUSE 0x20
#define SOF_REUSESHAREUID 0x40
#define SOF_MULTIPAGES 0x80
#define SOF_ABORTED 0x100
#define SOF_OVERFLOW 0x200
#ifdef __APPLE_API_PRIVATE
#define SOF_NOTIFYCONFLICT 0x400
#endif
int so_usecount; ;
int so_retaincnt;
u_int32_t so_filteruse;
u_int32_t so_traffic_mgt_flags;
thread_t so_send_filt_thread;
u_int32_t so_restrictions;
#define SO_LCKDBG_MAX 4
u_int32_t lock_lr[SO_LCKDBG_MAX];
int next_lock_lr;
u_int32_t unlock_lr[SO_LCKDBG_MAX];
int next_unlock_lr;
void *reserved;
#endif
struct label *so_label;
struct label *so_peerlabel;
thread_t so_background_thread;
};
#endif
#define SS_NOFDREF 0x0001
#define SS_ISCONNECTED 0x0002
#define SS_ISCONNECTING 0x0004
#define SS_ISDISCONNECTING 0x0008
#define SS_CANTSENDMORE 0x0010
#define SS_CANTRCVMORE 0x0020
#define SS_RCVATMARK 0x0040
#define SS_PRIV 0x0080
#define SS_NBIO 0x0100
#define SS_ASYNC 0x0200
#define SS_ISCONFIRMING 0x0400
#define SS_INCOMP 0x0800
#define SS_COMP 0x1000
#define SS_ISDISCONNECTED 0x2000
#define SS_DRAINING 0x4000
#if defined(__LP64__)
#define _XSOCKET_PTR(x) u_int32_t
#else
#define _XSOCKET_PTR(x) x
#endif
#pragma pack(4)
struct xsocket {
u_int32_t xso_len;
_XSOCKET_PTR(struct socket *) xso_so;
short so_type;
short so_options;
short so_linger;
short so_state;
_XSOCKET_PTR(caddr_t) so_pcb;
int xso_protocol;
int xso_family;
short so_qlen;
short so_incqlen;
short so_qlimit;
short so_timeo;
u_short so_error;
pid_t so_pgid;
u_int32_t so_oobmark;
struct xsockbuf {
u_int32_t sb_cc;
u_int32_t sb_hiwat;
u_int32_t sb_mbcnt;
u_int32_t sb_mbmax;
int32_t sb_lowat;
short sb_flags;
short sb_timeo;
} so_rcv, so_snd;
uid_t so_uid;
};
#pragma pack()
#ifdef KERNEL_PRIVATE
#define sbtoso(sb) (sb->sb_so)
__BEGIN_DECLS
int sb_notify(struct sockbuf *sb);
long sbspace(struct sockbuf *sb);
int sosendallatonce(struct socket *so);
int soreadable(struct socket *so);
int sowriteable(struct socket *so);
void sballoc(struct sockbuf *sb, struct mbuf *m);
void sbfree(struct sockbuf *sb, struct mbuf *m);
int sblock(struct sockbuf *sb, int wf);
void sbunlock(struct sockbuf *sb, int locked);
void sorwakeup(struct socket *so);
void sowwakeup(struct socket *so);
__END_DECLS
struct kextcb {
struct kextcb *e_next;
void *e_fcb;
struct NFDescriptor *e_nfd;
struct sockif *e_soif;
struct sockutil *e_sout;
};
#define EXT_NULL 0x0
#define sotokextcb(so) (so ? so->so_ext : 0)
#ifdef KERNEL
#define SO_FILT_HINT_LOCKED 0x1
enum sopt_dir { SOPT_GET, SOPT_SET };
struct sockopt {
enum sopt_dir sopt_dir;
int sopt_level;
int sopt_name;
user_addr_t sopt_val;
size_t sopt_valsize;
struct proc *sopt_p;
};
#if SENDFILE
struct sf_buf {
SLIST_ENTRY(sf_buf) free_list;
int refcnt;
struct vm_page *m;
vm_offset_t kva;
};
#endif
#ifdef MALLOC_DECLARE
MALLOC_DECLARE(M_PCB);
MALLOC_DECLARE(M_SONAME);
#endif
extern int maxsockets;
extern u_long sb_max;
extern int socket_zone;
extern so_gen_t so_gencnt;
extern int socket_debug;
extern int sosendjcl;
extern int sosendjcl_ignore_capab;
extern int somaxconn;
struct file;
struct filedesc;
struct mbuf;
struct sockaddr;
struct stat;
struct ucred;
struct uio;
struct knote;
#define SBLASTRECORDCHK(sb, s) \
if (socket_debug) sblastrecordchk(sb, s);
#define SBLASTMBUFCHK(sb, s) \
if (socket_debug) sblastmbufchk(sb, s);
#define SB_EMPTY_FIXUP(sb) { \
if ((sb)->sb_mb == NULL) { \
(sb)->sb_mbtail = NULL; \
(sb)->sb_lastrecord = NULL; \
} \
}
__BEGIN_DECLS
extern void socketinit(void) __attribute__((section("__TEXT, initcode")));
extern struct sockaddr *dup_sockaddr(struct sockaddr *sa, int canwait);
extern int getsock(struct filedesc *fdp, int fd, struct file **fpp);
extern int sockargs(struct mbuf **mp, user_addr_t data, int buflen, int type);
extern int sbappend(struct sockbuf *sb, struct mbuf *m);
extern int sbappendstream(struct sockbuf *sb, struct mbuf *m);
extern int sbappendaddr(struct sockbuf *sb, struct sockaddr *asa,
struct mbuf *m0, struct mbuf *control, int *error_out);
extern int sbappendcontrol(struct sockbuf *sb, struct mbuf *m0,
struct mbuf *control, int *error_out);
extern int sbappendrecord(struct sockbuf *sb, struct mbuf *m0);
extern void sbcheck(struct sockbuf *sb);
extern void sblastmbufchk(struct sockbuf *, const char *);
extern void sblastrecordchk(struct sockbuf *, const char *);
extern struct mbuf *sbcreatecontrol(caddr_t p, int size, int type, int level);
extern void sbdrop(struct sockbuf *sb, int len);
extern void sbdroprecord(struct sockbuf *sb);
extern void sbflush(struct sockbuf *sb);
extern int sbinsertoob(struct sockbuf *sb, struct mbuf *m0);
extern void sbrelease(struct sockbuf *sb);
extern int sbreserve(struct sockbuf *sb, u_long cc);
extern void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
extern int sbwait(struct sockbuf *sb);
extern int sb_lock(struct sockbuf *sb);
extern void sb_empty_assert(struct sockbuf *, const char *);
extern int soabort(struct socket *so);
extern int soaccept(struct socket *so, struct sockaddr **nam);
extern int soacceptlock(struct socket *so, struct sockaddr **nam, int dolock);
extern int soacceptfilter(struct socket *so);
extern struct socket *soalloc(int waitok, int dom, int type);
extern int sobind(struct socket *so, struct sockaddr *nam);
extern void socantrcvmore(struct socket *so);
extern void socantsendmore(struct socket *so);
extern int soclose(struct socket *so);
extern int soconnect(struct socket *so, struct sockaddr *nam);
extern int soconnectlock(struct socket *so, struct sockaddr *nam, int dolock);
extern int soconnect2(struct socket *so1, struct socket *so2);
extern int socreate(int dom, struct socket **aso, int type, int proto);
extern void sodealloc(struct socket *so);
extern int sodisconnect(struct socket *so);
extern int sodisconnectlocked(struct socket *so);
extern void sofree(struct socket *so);
extern void soreference(struct socket *so);
extern void sodereference(struct socket *so);
extern void somultipages(struct socket *, boolean_t);
extern int sogetopt(struct socket *so, struct sockopt *sopt);
extern void sohasoutofband(struct socket *so);
extern void soisconnected(struct socket *so);
extern void soisconnecting(struct socket *so);
extern void soisdisconnected(struct socket *so);
extern void soisdisconnecting(struct socket *so);
extern int solisten(struct socket *so, int backlog);
extern struct socket *sodropablereq(struct socket *head);
extern struct socket *sonewconn(struct socket *head, int connstatus,
const struct sockaddr *from);
extern int sooptcopyin(struct sockopt *sopt, void *data, size_t len,
size_t minlen);
extern int sooptcopyout(struct sockopt *sopt, void *data, size_t len);
extern int socket_lock(struct socket *so, int refcount);
extern int socket_unlock(struct socket *so, int refcount);
extern void sofreelastref(struct socket *, int);
extern int soopt_getm(struct sockopt *sopt, struct mbuf **mp);
extern int soopt_mcopyin(struct sockopt *sopt, struct mbuf *m);
extern int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);
extern int sopoll(struct socket *so, int events, struct ucred *cred, void *wql);
extern int soreceive(struct socket *so, struct sockaddr **paddr,
struct uio *uio, struct mbuf **mp0, struct mbuf **controlp, int *flagsp);
extern int soreserve(struct socket *so, u_long sndcc, u_long rcvcc);
extern void sorflush(struct socket *so);
extern int sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
struct mbuf *top, struct mbuf *control, int flags);
extern int sosetopt(struct socket *so, struct sockopt *sopt);
extern int soshutdown(struct socket *so, int how);
extern int soshutdownlock(struct socket *so, int how);
extern void sotoxsocket(struct socket *so, struct xsocket *xso);
extern void sowakeup(struct socket *so, struct sockbuf *sb);
extern int soioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p);
#ifndef __APPLE__
extern int accept_filt_add(struct accept_filter *filt);
extern int accept_filt_del(char *name);
extern struct accept_filter *accept_filt_get(char *name);
#ifdef ACCEPT_FILTER_MOD
extern int accept_filt_generic_mod_event(module_t mod, int event, void *data);
SYSCTL_DECL(_net_inet_accf);
#endif
#endif
__END_DECLS
#endif
#endif
#endif