#ifndef _SYS_SOCKETVAR_H_
#define _SYS_SOCKETVAR_H_
#include <sys/select.h>
#include <sys/queue.h>
#include <net/kext_net.h>
#include <sys/ev.h>
struct mbuf;
struct socket;
struct uio;
struct sockbuf;
struct sockaddr;
struct kextcb;
struct protosw;
struct sockif;
struct sockutil;
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
typedef u_quad_t so_gen_t;
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;
struct sockbuf {
u_long sb_cc;
u_long sb_hiwat;
u_long sb_mbcnt;
u_long sb_mbmax;
long sb_lowat;
struct mbuf *sb_mb;
struct socket *sb_so;
struct selinfo sb_sel;
short sb_flags;
short sb_timeo;
} so_rcv, so_snd;
#define SB_MAX (256*1024)
#define SB_LOCK 0x01
#define SB_WANT 0x02
#define SB_WAIT 0x04
#define SB_SEL 0x08
#define SB_ASYNC 0x10
#define SB_NOTIFY (SB_WAIT|SB_SEL|SB_ASYNC)
#define SB_UPCALL 0x20
#define SB_NOINTR 0x40
#define SB_RECV 0x8000
caddr_t so_tpcb;
void (*so_upcall) __P((struct socket *so, caddr_t arg, int waitf));
caddr_t so_upcallarg;
uid_t so_uid;
so_gen_t so_gencnt;
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 kextcb *so_ext;
};
#define SS_NOFDREF 0x001
#define SS_ISCONNECTED 0x002
#define SS_ISCONNECTING 0x004
#define SS_ISDISCONNECTING 0x008
#define SS_CANTSENDMORE 0x010
#define SS_CANTRCVMORE 0x020
#define SS_RCVATMARK 0x040
#define SS_PRIV 0x080
#define SS_NBIO 0x100
#define SS_ASYNC 0x200
#define SS_ISCONFIRMING 0x400
#define SS_INCOMP 0x800
#define SS_COMP 0x1000
struct xsocket {
size_t xso_len;
struct socket *xso_so;
short so_type;
short so_options;
short so_linger;
short so_state;
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_long so_oobmark;
struct xsockbuf {
u_long sb_cc;
u_long sb_hiwat;
u_long sb_mbcnt;
u_long sb_mbmax;
long sb_lowat;
short sb_flags;
short sb_timeo;
} so_rcv, so_snd;
uid_t so_uid;
};
#define sbtoso(sb) (sb->sb_so)
#define sb_notify(sb) (((sb)->sb_flags & (SB_WAIT|SB_SEL|SB_ASYNC|SB_UPCALL)) != 0)
#define sbspace(sb) \
((long) imin((int)((sb)->sb_hiwat - (sb)->sb_cc), \
(int)((sb)->sb_mbmax - (sb)->sb_mbcnt)))
#define sosendallatonce(so) \
((so)->so_proto->pr_flags & PR_ATOMIC)
#define soreadable(so) \
((so)->so_rcv.sb_cc >= (so)->so_rcv.sb_lowat || \
((so)->so_state & SS_CANTRCVMORE) || \
(so)->so_comp.tqh_first || (so)->so_error)
#define sowriteable(so) \
((sbspace(&(so)->so_snd) >= (so)->so_snd.sb_lowat && \
(((so)->so_state&SS_ISCONNECTED) || \
((so)->so_proto->pr_flags&PR_CONNREQUIRED)==0)) || \
((so)->so_state & SS_CANTSENDMORE) || \
(so)->so_error)
#define sballoc(sb, m) { \
(sb)->sb_cc += (m)->m_len; \
(sb)->sb_mbcnt += MSIZE; \
if ((m)->m_flags & M_EXT) \
(sb)->sb_mbcnt += (m)->m_ext.ext_size; \
}
#define sbfree(sb, m) { \
(sb)->sb_cc -= (m)->m_len; \
(sb)->sb_mbcnt -= MSIZE; \
if ((m)->m_flags & M_EXT) \
(sb)->sb_mbcnt -= (m)->m_ext.ext_size; \
}
#define sblock(sb, wf) ((sb)->sb_flags & SB_LOCK ? \
(((wf) == M_WAIT) ? sb_lock(sb) : EWOULDBLOCK) : \
((sb)->sb_flags |= SB_LOCK), 0)
#define sbunlock(sb) { \
(sb)->sb_flags &= ~SB_LOCK; \
if ((sb)->sb_flags & SB_WANT) { \
(sb)->sb_flags &= ~SB_WANT; \
wakeup((caddr_t)&(sb)->sb_flags); \
} \
}
#define sorwakeup(so) do { \
if (sb_notify(&(so)->so_rcv)) \
sowakeup((so), &(so)->so_rcv); \
} while (0)
#define sowwakeup(so) do { \
if (sb_notify(&(so)->so_snd)) \
sowakeup((so), &(so)->so_snd); \
} while (0)
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
enum sopt_dir { SOPT_GET, SOPT_SET };
struct sockopt {
enum sopt_dir sopt_dir;
int sopt_level;
int sopt_name;
void *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;
struct file;
struct filedesc;
struct mbuf;
struct sockaddr;
struct stat;
struct ucred;
struct uio;
int soo_read __P((struct file *fp, struct uio *uio, struct ucred *cred));
int soo_write __P((struct file *fp, struct uio *uio, struct ucred *cred));
int soo_ioctl __P((struct file *fp, u_long cmd, caddr_t data,
struct proc *p));
int soo_select __P((struct file *fp, int which, struct proc *p));
int soo_stat __P((struct socket *so, struct stat *ub));
int soo_close __P((struct file *fp, struct proc *p));
struct sockaddr *dup_sockaddr __P((struct sockaddr *sa, int canwait));
int getsock __P((struct filedesc *fdp, int fd, struct file **fpp));
int sockargs __P((struct mbuf **mp, caddr_t buf, int buflen, int type));
int getsockaddr __P((struct sockaddr **namp, caddr_t uaddr, size_t len));
void sbappend __P((struct sockbuf *sb, struct mbuf *m));
int sbappendaddr __P((struct sockbuf *sb, struct sockaddr *asa,
struct mbuf *m0, struct mbuf *control));
int sbappendcontrol __P((struct sockbuf *sb, struct mbuf *m0,
struct mbuf *control));
void sbappendrecord __P((struct sockbuf *sb, struct mbuf *m0));
void sbcheck __P((struct sockbuf *sb));
void sbcompress __P((struct sockbuf *sb, struct mbuf *m, struct mbuf *n));
struct mbuf *
sbcreatecontrol __P((caddr_t p, int size, int type, int level));
void sbdrop __P((struct sockbuf *sb, int len));
void sbdroprecord __P((struct sockbuf *sb));
void sbflush __P((struct sockbuf *sb));
void sbinsertoob __P((struct sockbuf *sb, struct mbuf *m0));
void sbrelease __P((struct sockbuf *sb));
int sbreserve __P((struct sockbuf *sb, u_long cc));
void sbtoxsockbuf __P((struct sockbuf *sb, struct xsockbuf *xsb));
int sbwait __P((struct sockbuf *sb));
int sb_lock __P((struct sockbuf *sb));
int soabort __P((struct socket *so));
int soaccept __P((struct socket *so, struct sockaddr **nam));
struct socket *soalloc __P((int waitok, int dom, int type));
int sobind __P((struct socket *so, struct sockaddr *nam));
void socantrcvmore __P((struct socket *so));
void socantsendmore __P((struct socket *so));
int soclose __P((struct socket *so));
int soconnect __P((struct socket *so, struct sockaddr *nam));
int soconnect2 __P((struct socket *so1, struct socket *so2));
int socreate __P((int dom, struct socket **aso, int type, int proto));
void sodealloc __P((struct socket *so));
int sodisconnect __P((struct socket *so));
void sofree __P((struct socket *so));
int sogetopt __P((struct socket *so, struct sockopt *sopt));
void sohasoutofband __P((struct socket *so));
void soisconnected __P((struct socket *so));
void soisconnecting __P((struct socket *so));
void soisdisconnected __P((struct socket *so));
void soisdisconnecting __P((struct socket *so));
int solisten __P((struct socket *so, int backlog));
struct socket *
sodropablereq __P((struct socket *head));
struct socket *
sonewconn __P((struct socket *head, int connstatus));
int sooptcopyin __P((struct sockopt *sopt, void *buf, size_t len,
size_t minlen));
int sooptcopyout __P((struct sockopt *sopt, void *buf, size_t len));
int sopoll __P((struct socket *so, int events, struct ucred *cred));
int soreceive __P((struct socket *so, struct sockaddr **paddr,
struct uio *uio, struct mbuf **mp0,
struct mbuf **controlp, int *flagsp));
int soreserve __P((struct socket *so, u_long sndcc, u_long rcvcc));
void sorflush __P((struct socket *so));
int sosend __P((struct socket *so, struct sockaddr *addr, struct uio *uio,
struct mbuf *top, struct mbuf *control, int flags));
int sosetopt __P((struct socket *so, struct sockopt *sopt));
int soshutdown __P((struct socket *so, int how));
void sotoxsocket __P((struct socket *so, struct xsocket *xso));
void sowakeup __P((struct socket *so, struct sockbuf *sb));
#endif
#endif