#ifndef _SYS_SOCKETVAR_H_
#define _SYS_SOCKETVAR_H_
#include <sys/appleapiopts.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#ifdef KERNEL_PRIVATE
#include <sys/queue.h>
#include <sys/select.h>
#include <net/kext_net.h>
#include <sys/ev.h>
#include <uuid/uuid.h>
#ifdef BSD_KERNEL_PRIVATE
#include <sys/eventhandler.h>
#endif
#endif
#if !KERNEL
#include <TargetConditionals.h>
#endif
typedef u_quad_t so_gen_t;
#ifdef KERNEL_PRIVATE
struct mbuf;
struct socket_filter_entry;
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 512
#define TEMPDEBUG 0
#endif
#ifdef PRIVATE
#define SO_TC_STATS_MAX 4
struct data_stats {
u_int64_t rxpackets;
u_int64_t rxbytes;
u_int64_t txpackets;
u_int64_t txbytes;
};
#endif
#ifdef KERNEL_PRIVATE
struct socket {
int so_zone;
short so_type;
u_short so_error;
u_int32_t so_options;
short so_linger;
short so_state;
void *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;
pid_t so_pgid;
u_int32_t so_oobmark;
struct sockbuf {
u_int32_t sb_cc;
u_int32_t sb_hiwat;
u_int32_t sb_mbcnt;
u_int32_t sb_mbmax;
u_int32_t sb_ctl;
u_int32_t sb_lowat;
struct mbuf *sb_mb;
struct mbuf *sb_mbtail;
struct mbuf *sb_lastrecord;
struct socket *sb_so;
struct selinfo sb_sel;
struct timeval sb_timeo;
u_int32_t sb_flags;
u_int32_t sb_idealsize;
void (*sb_upcall)(struct socket *, void *arg, int waitf);
void *sb_upcallarg;
u_int32_t sb_wantlock;
u_int32_t sb_waiters;
thread_t sb_cfil_thread;
u_int32_t sb_cfil_refs;
u_int32_t sb_preconn_hiwat;
} so_rcv, so_snd;
#define SB_MAX (8192*1024)
#define LOW_SB_MAX (2*9*1024) * size, 2 max datagrams */
#define SB_LOCK 0x1
#define SB_NOINTR 0x2
#define SB_RECV 0x4
#define SB_SEL 0x8
#define SB_ASYNC 0x10
#define SB_UPCALL 0x20
#define SB_KNOTE 0x40
#define SB_DROP 0x80
#define SB_UNIX 0x100
#define SB_USRSIZE 0x200
#define SB_AUTOSIZE 0x400
#define SB_TRIM 0x800
#define SB_NOCOMPRESS 0x1000
#define SB_SNDBYTE_CNT 0x2000
#define SB_UPCALL_LOCK 0x4000
#define SB_LIMITED 0x8000
caddr_t so_tpcb;
void (*so_event)(struct socket *, void *, long);
void *so_eventarg;
kauth_cred_t so_cred;
so_gen_t so_gencnt;
STAILQ_ENTRY(socket) so_cache_ent;
caddr_t so_saved_pcb;
u_int32_t cache_timestamp;
pid_t last_pid;
u_int64_t last_upid;
struct socket_filter_entry *so_filt;
u_int32_t so_flags;
#define SOF_NOSIGPIPE 0x00000001
#define SOF_NOADDRAVAIL 0x00000002
#define SOF_PCBCLEARING 0x00000004 * call pru_detach */
#define SOF_DEFUNCT 0x00000008
#define SOF_CLOSEWAIT 0x00000010
#define SOF_REUSESHAREUID 0x00000040 * for multiple so_uid */
#define SOF_MULTIPAGES 0x00000080
#define SOF_ABORTED 0x00000100
#define SOF_OVERFLOW 0x00000200 * listen q */
#define SOF_NOTIFYCONFLICT 0x00000400 * port already in use */
#define SOF_UPCALLCLOSEWAIT 0x00000800
#define SOF_BINDRANDOMPORT 0x00001000
#define SOF_NPX_SETOPTSHUT 0x00002000 * setsockopt(2) after shut down */
#define SOF_RECV_TRAFFIC_CLASS 0x00004000
#define SOF_NODEFUNCT 0x00008000
#define SOF_PRIVILEGED_TRAFFIC_CLASS 0x00010000
#define SOF_SUSPENDED 0x00020000
#define SOF_INCOMP_INPROGRESS 0x00040000
#define SOF_NOTSENT_LOWAT 0x00080000 * data has been set */
#define SOF_KNOTE 0x00100000
#define SOF_FLOW_DIVERT 0x00800000
#define SOF_MP_SUBFLOW 0x01000000
#define SOF_MP_SEC_SUBFLOW 0x04000000
#define SOF_MP_TRYFAILOVER 0x08000000
#define SOF_DELEGATED 0x10000000
#define SOF_CONTENT_FILTER 0x20000000
uint32_t so_upcallusecount;
int so_usecount;
int so_retaincnt;
uint32_t so_filteruse;
uint16_t so_traffic_class;
int8_t so_netsvctype;
uint8_t so_restrictions;
thread_t so_send_filt_thread;
#define SO_LCKDBG_MAX 4
void *lock_lr[SO_LCKDBG_MAX];
void *unlock_lr[SO_LCKDBG_MAX];
u_int8_t next_lock_lr;
u_int8_t next_unlock_lr;
u_int16_t so_pktheadroom;
u_int32_t so_ifdenied_notifies;
struct label *so_label;
struct label *so_peerlabel;
thread_t so_background_thread;
struct data_stats so_tc_stats[SO_TC_STATS_MAX];
struct klist so_klist;
struct flow_divert_pcb *so_fd_pcb;
#if CONTENT_FILTER
struct cfil_info *so_cfil;
struct cfil_db *so_cfil_db;
u_int32_t so_state_change_cnt;
#endif
u_int32_t so_eventmask;
pid_t e_pid;
u_int64_t e_upid;
#if XNU_TARGET_OS_OSX
pid_t so_rpid;
#endif
uuid_t last_uuid;
uuid_t e_uuid;
uuid_t so_vuuid;
#if XNU_TARGET_OS_OSX
uuid_t so_ruuid;
#endif
int32_t so_policy_gencnt;
u_int32_t so_flags1;
#define SOF1_POST_FALLBACK_SYNC 0x00000001
#define SOF1_AWDL_PRIVILEGED 0x00000002
#define SOF1_IF_2KCL 0x00000004
#define SOF1_DEFUNCTINPROG 0x00000008
#define SOF1_DATA_IDEMPOTENT 0x00000010
#define SOF1_PRECONNECT_DATA 0x00000020
#define SOF1_EXTEND_BK_IDLE_WANTED 0x00000040
#define SOF1_EXTEND_BK_IDLE_INPROG 0x00000080
#define SOF1_CACHED_IN_SOCK_LAYER 0x00000100
#define SOF1_TFO_REWIND 0x00000200
#define SOF1_CELLFALLBACK 0x00000400
#define SOF1_QOSMARKING_ALLOWED 0x00000800
#define SOF1_TC_NET_SERV_TYPE 0x00001000
#define SOF1_TRAFFIC_MGT_SO_BACKGROUND 0x00002000
#define SOF1_TRAFFIC_MGT_TCP_RECVBG 0x00004000
#define SOF1_QOSMARKING_POLICY_OVERRIDE 0x00008000
#define SOF1_DATA_AUTHENTICATED 0x00010000
#define SOF1_ACCEPT_LIST_HELD 0x00020000
#define SOF1_CONTENT_FILTER_SKIP 0x00040000
#define SOF1_HAS_NECP_CLIENT_UUID 0x00080000
#define SOF1_IN_KERNEL_SOCKET 0x00100000
#define SOF1_CONNECT_COUNTED 0x00200000
#define SOF1_DNS_COUNTED 0x00400000
#define SOF1_MPKL_SEND_INFO 0x00800000
#define SOF1_INBOUND 0x01000000
#define SOF1_WANT_KEV_SOCK_CLOSED 0x02000000
#define SOF1_FLOW_DIVERT_SKIP 0x04000000
u_int64_t so_extended_bk_start;
u_int8_t so_log_seqn;
uuid_t so_mpkl_send_uuid;
uint8_t so_mpkl_send_proto;
};
#define _MIN_NXT_CMSGHDR_PTR(cmsg) \
((char *)(cmsg) + \
__DARWIN_ALIGN32((__uint32_t)(cmsg)->cmsg_len) + \
__DARWIN_ALIGN32(sizeof(struct cmsghdr)))
#define M_FIRST_CMSGHDR(m) \
((char *)(m) != (char *)0L && \
(size_t)(m)->m_len >= sizeof (struct cmsghdr) && \
(socklen_t)(m)->m_len >= \
__DARWIN_ALIGN32(((struct cmsghdr *)(void *)(m)->m_data)->cmsg_len) ? \
(struct cmsghdr *)(void *)(m)->m_data : (struct cmsghdr *)0L)
#define M_NXT_CMSGHDR(m, cmsg) \
((char *)(cmsg) == (char *)0L ? M_FIRST_CMSGHDR(m) : \
_MIN_NXT_CMSGHDR_PTR(cmsg) > ((char *)(m)->m_data) + (m)->m_len || \
_MIN_NXT_CMSGHDR_PTR(cmsg) < (char *)(m)->m_data ? \
(struct cmsghdr *)0L : \
(struct cmsghdr *)(void *)((unsigned char *)(cmsg) + \
__DARWIN_ALIGN32((__uint32_t)(cmsg)->cmsg_len)))
#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 * calls to drain */
#define SS_DEFUNCT 0x8000
#endif
#if defined(__LP64__)
#define _XSOCKET_PTR(x) u_int32_t
#else
#define _XSOCKET_PTR(x) x
#endif
#ifdef PRIVATE
#define SOCKEV_CONNECTED 0x00000001
#define SOCKEV_DISCONNECTED 0x00000002
#endif
#pragma pack(4)
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;
};
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 so_rcv;
struct xsockbuf so_snd;
uid_t so_uid;
};
#if XNU_TARGET_OS_OSX || KERNEL || !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
struct xsocket64 {
u_int32_t xso_len;
u_int64_t xso_so;
short so_type;
short so_options;
short so_linger;
short so_state;
u_int64_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 so_rcv;
struct xsockbuf so_snd;
uid_t so_uid;
};
#endif
#ifdef PRIVATE
#define XSO_SOCKET 0x001
#define XSO_RCVBUF 0x002
#define XSO_SNDBUF 0x004
#define XSO_STATS 0x008
#define XSO_INPCB 0x010
#define XSO_TCPCB 0x020
#define XSO_KCREG 0x040
#define XSO_KCB 0x080
#define XSO_EVT 0x100
struct xsocket_n {
u_int32_t xso_len;
u_int32_t xso_kind;
u_int64_t xso_so;
short so_type;
u_int32_t so_options;
short so_linger;
short so_state;
u_int64_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;
uid_t so_uid;
pid_t so_last_pid;
pid_t so_e_pid;
};
struct xsockbuf_n {
u_int32_t xsb_len;
u_int32_t xsb_kind;
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;
};
struct xsockstat_n {
u_int32_t xst_len;
u_int32_t xst_kind;
struct data_stats xst_tc_stats[SO_TC_STATS_MAX];
};
struct soextbkidlestat {
u_int32_t so_xbkidle_maxperproc;
u_int32_t so_xbkidle_time;
u_int32_t so_xbkidle_rcvhiwat;
int32_t so_xbkidle_notsupp;
int32_t so_xbkidle_toomany;
int32_t so_xbkidle_wantok;
int32_t so_xbkidle_active;
int32_t so_xbkidle_nocell;
int32_t so_xbkidle_notime;
int32_t so_xbkidle_forced;
int32_t so_xbkidle_resumed;
int32_t so_xbkidle_expired;
int32_t so_xbkidle_resched;
int32_t so_xbkidle_nodlgtd;
int32_t so_xbkidle_drained;
};
#endif
#pragma pack()
#ifdef KERNEL_PRIVATE
#include <sys/kpi_mbuf.h>
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;
};
#ifdef MALLOC_DECLARE
MALLOC_DECLARE(M_PCB);
MALLOC_DECLARE(M_SONAME);
#endif
#ifdef BSD_KERNEL_PRIVATE
struct cmsghdr;
extern boolean_t is_cmsg_valid(struct mbuf *control, struct cmsghdr *cmsg);
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 SO_FILT_HINT_LOCKED 0x00000001
#define SO_FILT_HINT_CONNRESET 0x00000002
#define SO_FILT_HINT_CANTRCVMORE 0x00000004
#define SO_FILT_HINT_CANTSENDMORE 0x00000008
#define SO_FILT_HINT_TIMEOUT 0x00000010
#define SO_FILT_HINT_NOSRCADDR 0x00000020
#define SO_FILT_HINT_IFDENIED 0x00000040
#define SO_FILT_HINT_SUSPEND 0x00000080
#define SO_FILT_HINT_RESUME 0x00000100
#define SO_FILT_HINT_KEEPALIVE 0x00000200
#define SO_FILT_HINT_ADAPTIVE_WTIMO 0x00000400
#define SO_FILT_HINT_ADAPTIVE_RTIMO 0x00000800
#define SO_FILT_HINT_CONNECTED 0x00001000
#define SO_FILT_HINT_DISCONNECTED 0x00002000
#define SO_FILT_HINT_CONNINFO_UPDATED 0x00004000
#define SO_FILT_HINT_MPFAILOVER 0x00008000
#define SO_FILT_HINT_MPSTATUS 0x00010000
#define SO_FILT_HINT_MUSTRST 0x00020000
#define SO_FILT_HINT_MPCANTRCVMORE 0x00040000
#define SO_FILT_HINT_NOTIFY_ACK 0x00080000
#define SO_FILT_HINT_MP_SUB_ERROR 0x00100000
#define SO_FILT_HINT_BITS \
"\020\1LOCKED\2CONNRESET\3CANTRCVMORE\4CANTSENDMORE\5TIMEOUT" \
"\6NOSRCADDR\7IFDENIED\10SUSPEND\11RESUME\12KEEPALIVE\13AWTIMO" \
"\14ARTIMO\15CONNECTED\16DISCONNECTED\17CONNINFO_UPDATED" \
"\20MPFAILOVER\21MPSTATUS\22MUSTRST\23MPCANTRCVMORE\24NOTIFYACK"\
"\25MPSUBERROR"
#define SO_FILT_HINT_EV \
(SO_FILT_HINT_CONNRESET | SO_FILT_HINT_CANTRCVMORE | \
SO_FILT_HINT_CANTSENDMORE | SO_FILT_HINT_TIMEOUT | \
SO_FILT_HINT_NOSRCADDR | SO_FILT_HINT_IFDENIED | \
SO_FILT_HINT_SUSPEND | SO_FILT_HINT_RESUME | \
SO_FILT_HINT_KEEPALIVE | SO_FILT_HINT_ADAPTIVE_WTIMO | \
SO_FILT_HINT_ADAPTIVE_RTIMO | SO_FILT_HINT_CONNECTED | \
SO_FILT_HINT_DISCONNECTED | SO_FILT_HINT_CONNINFO_UPDATED | \
SO_FILT_HINT_NOTIFY_ACK)
#if SENDFILE
struct sf_buf {
SLIST_ENTRY(sf_buf) free_list;
int refcnt;
struct vm_page *m;
vm_offset_t kva;
};
#endif
#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; \
} \
}
#define SB_MB_CHECK(sb) do { \
if (((sb)->sb_mb != NULL && \
(sb)->sb_cc == 0) || \
((sb)->sb_mb == NULL && (sb)->sb_cc > 0)) \
panic("corrupt so_rcv: sb_mb %p sb_cc %d\n", \
(sb)->sb_mb, (sb)->sb_cc); \
} while (0)
#define SODEFUNCTLOG(fmt, ...) do { \
if (sodefunctlog) \
printf(fmt, __VA_ARGS__); \
} while (0)
#define SOTHROTTLELOG(fmt, ...) do { \
if (sothrottlelog) \
printf(fmt, __VA_ARGS__); \
} while (0)
#define SOTCDB_RESERVED 0x01
#define SOTCDB_NO_MTC 0x02
#define SOTCDB_NO_SENDTCPBG 0x04
#define SOTCDB_NO_LCLTST 0x08
#define SOTCDB_NO_DSCPTST 0x10
#define SOTCDB_NO_RECVTCPBG 0x20
#define SOTCDB_NO_PRIVILEGED 0x40
#define SOCK_DOM(so) ((so)->so_proto->pr_domain->dom_family)
#define SOCK_TYPE(so) ((so)->so_proto->pr_type)
#define SOCK_PROTO(so) ((so)->so_proto->pr_protocol)
#define SOCK_CHECK_DOM(so, dom) (SOCK_DOM(so) == (dom))
#define SOCK_CHECK_TYPE(so, type) (SOCK_TYPE(so) == (type))
#define SOCK_CHECK_PROTO(so, proto) (SOCK_PROTO(so) == (proto))
struct so_procinfo {
pid_t spi_pid;
pid_t spi_epid;
uuid_t spi_uuid;
uuid_t spi_euuid;
int spi_delegated;
char spi_proc_name[MAXCOMLEN + 1];
char spi_e_proc_name[MAXCOMLEN + 1];
};
extern u_int32_t sb_max;
extern so_gen_t so_gencnt;
extern int socket_debug;
extern int sosendjcl;
extern int sosendjcl_ignore_capab;
extern int sodefunctlog;
extern int sothrottlelog;
extern int sorestrictrecv;
extern int sorestrictsend;
extern int somaxconn;
extern uint32_t tcp_autosndbuf_max;
extern uint32_t tcp_autosndbuf_inc;
extern u_int32_t sotcdb;
extern u_int32_t net_io_policy_log;
extern u_int32_t net_io_policy_throttle_best_effort;
#if CONFIG_PROC_UUID_POLICY
extern u_int32_t net_io_policy_uuid;
#endif
extern struct soextbkidlestat soextbkidlestat;
#endif
struct mbuf;
struct sockaddr;
struct ucred;
struct uio;
#define SOCK_MSG_SA 0x01
#define SOCK_MSG_CONTROL 0x02
#define SOCK_MSG_DATA 0x04
struct recv_msg_elem {
struct uio *uio;
struct sockaddr *psa;
struct mbuf *controlp;
int which;
int flags;
};
__BEGIN_DECLS
extern int sbappendaddr(struct sockbuf *sb, struct sockaddr *asa,
struct mbuf *m0, struct mbuf *control, int *error_out);
extern int sbappendchain(struct sockbuf *sb, struct mbuf *m, int space);
extern int sbappendrecord(struct sockbuf *sb, struct mbuf *m0);
extern int sbappendrecord_nodrop(struct sockbuf *sb, struct mbuf *m0);
extern void sbflush(struct sockbuf *sb);
extern int sbspace(struct sockbuf *sb);
extern int soabort(struct socket *so);
extern void socantrcvmore(struct socket *so);
extern void socantsendmore(struct socket *so);
extern int sodisconnect(struct socket *so);
extern void sofree(struct socket *so);
extern void sofreelastref(struct socket *, int);
extern void soisconnected(struct socket *so);
extern boolean_t socanwrite(struct socket *so);
extern void soisconnecting(struct socket *so);
extern void soisdisconnected(struct socket *so);
extern void soisdisconnecting(struct socket *so);
extern struct socket *sonewconn(struct socket *head, int connstatus,
const struct sockaddr *from);
extern int sopoll(struct socket *so, int events, struct ucred *cred, void *wql);
extern int sooptcopyin(struct sockopt *sopt, void *data, size_t len,
size_t minlen)
__attribute__ ((warn_unused_result));
extern int sooptcopyout(struct sockopt *sopt, void *data, size_t len)
__attribute__ ((warn_unused_result));
extern int soopt_cred_check(struct socket *so, int priv, boolean_t allow_root,
boolean_t ignore_delegate);
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, uint32_t sndcc, uint32_t rcvcc);
extern void soreserve_preconnect(struct socket *so, unsigned int pre_cc);
extern void sorwakeup(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 sosend_reinject(struct socket *so, struct sockaddr *addr, struct mbuf *top,
struct mbuf *control, uint32_t sendflags);
extern int sosend_list(struct socket *so, struct uio **uio, u_int uiocnt,
int flags);
extern int soreceive_list(struct socket *so, struct recv_msg_elem *msgarray,
u_int msgcnt, int *flags);
extern void sonullevent(struct socket *so, void *arg, long hint);
extern struct mbuf *sbconcat_mbufs(struct sockbuf *sb, struct sockaddr *asa, struct mbuf *m0,
struct mbuf *control);
__END_DECLS
#ifdef BSD_KERNEL_PRIVATE
struct file;
struct filedesc;
struct so_tcdbg;
__BEGIN_DECLS
extern void socketinit(void);
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, socklen_t buflen, int type);
extern void get_sockev_state(struct socket *, u_int32_t *);
extern void so_update_last_owner_locked(struct socket *, struct proc *);
extern void so_update_policy(struct socket *);
extern void so_acquire_accept_list(struct socket *, struct socket *);
extern void so_release_accept_list(struct socket *);
extern int sbappend(struct sockbuf *sb, struct mbuf *m);
extern int sbappend_nodrop(struct sockbuf *sb, struct mbuf *m);
extern int sbappendstream(struct sockbuf *sb, struct mbuf *m);
extern int sbappendcontrol(struct sockbuf *sb, struct mbuf *m0,
struct mbuf *control, int *error_out);
extern int sbappendstream_rcvdemux(struct socket *so, struct mbuf *m);
#if MPTCP
extern int sbappendmptcpstream_rcv(struct sockbuf *sb, struct mbuf *m);
#endif
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 struct mbuf **sbcreatecontrol_mbuf(caddr_t p, int size, int type,
int level, struct mbuf **m);
extern void sbdrop(struct sockbuf *sb, int len);
extern void sbdroprecord(struct sockbuf *sb);
extern void sbrelease(struct sockbuf *sb);
extern int sbreserve(struct sockbuf *sb, u_int32_t cc);
extern void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
extern int sbwait(struct sockbuf *sb);
extern void sbwakeup(struct sockbuf *sb);
extern void sb_empty_assert(struct sockbuf *, const char *);
extern int sb_notify(struct sockbuf *sb);
extern void sballoc(struct sockbuf *sb, struct mbuf *m);
extern void sbfree(struct sockbuf *sb, struct mbuf *m);
extern void sbfree_chunk(struct sockbuf *sb, struct mbuf *m);
#define SBL_WAIT 0x00000001
#define SBL_NOINTR 0x00000002
#define SBL_IGNDEFUNCT 0x00000004
#define SBL_VALID (SBL_WAIT | SBL_NOINTR | SBL_IGNDEFUNCT)
extern int sblock(struct sockbuf *sb, uint32_t flags);
extern void sbunlock(struct sockbuf *sb, boolean_t keeplocked);
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, struct socket *head);
extern struct socket *soalloc(int waitok, int dom, int type);
extern int sobindlock(struct socket *so, struct sockaddr *nam, int dolock);
extern int soclose(struct socket *so);
extern int soclose_locked(struct socket *so);
extern void soclose_wait_locked(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 soconnectxlocked(struct socket *so, struct sockaddr *src,
struct sockaddr *dst, struct proc *, uint32_t, sae_associd_t,
sae_connid_t *, uint32_t, void *, u_int32_t, uio_t, user_ssize_t *);
extern int sodisconnectx(struct socket *so, sae_associd_t, sae_connid_t);
extern int sodisconnectxlocked(struct socket *so, sae_associd_t, sae_connid_t);
extern void soevupcall(struct socket *so, long hint);
#define SOCF_MPTCP 0x1
extern int socreate_internal(int dom, struct socket **aso, int type, int proto,
struct proc *, uint32_t, struct proc *);
extern int socreate(int dom, struct socket **aso, int type, int proto);
extern int socreate_delegate(int dom, struct socket **aso, int type, int proto,
pid_t epid);
extern void sodealloc(struct socket *so);
extern int sodisconnectlocked(struct socket *so);
extern void soreference(struct socket *so);
extern void sodereference(struct socket *so);
extern void somultipages(struct socket *, boolean_t);
extern void soif2kcl(struct socket *, boolean_t);
extern int sosetdefunct(struct proc *, struct socket *, int level, boolean_t);
extern int sodefunct(struct proc *, struct socket *, int level);
extern int soresume(struct proc *, struct socket *, int);
extern void resume_proc_sockets(proc_t);
extern int so_check_extended_bk_idle_time(struct socket *);
extern void so_drain_extended_bk_idle(struct socket *);
extern void sohasoutofband(struct socket *so);
extern void sodisconnectwakeup(struct socket *so);
extern int soisthrottled(struct socket *so);
extern int soisprivilegedtraffic(struct socket *so);
extern int soissrcbackground(struct socket *so);
extern int soissrcrealtime(struct socket *so);
extern int soissrcbesteffort(struct socket *so);
extern void soclearfastopen(struct socket *so);
extern int solisten(struct socket *so, int backlog);
extern struct socket *sodropablereq(struct socket *head);
extern lck_mtx_t *socket_getlock(struct socket *so, int flags);
extern void socket_lock(struct socket *so, int refcount);
extern void socket_lock_assert_owned(struct socket *so);
extern int socket_try_lock(struct socket *so);
extern void socket_unlock(struct socket *so, int refcount);
extern int sogetaddr_locked(struct socket *, struct sockaddr **, int);
extern const char *solockhistory_nr(struct socket *);
extern void soevent(struct socket *so, long hint);
extern void sorflush(struct socket *so);
extern void sowflush(struct socket *so);
extern void sowakeup(struct socket *so, struct sockbuf *sb, struct socket *so2);
extern int soioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p);
extern int sogetoptlock(struct socket *so, struct sockopt *sopt, int);
extern int sosetoptlock(struct socket *so, struct sockopt *sopt, int);
extern int soshutdown(struct socket *so, int how);
extern int soshutdownlock(struct socket *so, int how);
extern int soshutdownlock_final(struct socket *so, int how);
extern void sotoxsocket(struct socket *so, struct xsocket *xso);
#if XNU_TARGET_OS_OSX
extern void sotoxsocket64(struct socket *so, struct xsocket64 *xso);
#endif
extern int sosendallatonce(struct socket *so);
extern int soreadable(struct socket *so);
extern int sowriteable(struct socket *so);
extern void sowwakeup(struct socket *so);
extern int sosendcheck(struct socket *, struct sockaddr *, user_ssize_t,
int32_t, int32_t, int, int *);
extern int soo_ioctl(struct fileproc *, u_long, caddr_t, vfs_context_t);
extern int soo_stat(struct socket *, void *, int);
extern int soo_select(struct fileproc *, int, void *, vfs_context_t);
extern int soo_kqfilter(struct fileproc *, struct knote *, struct kevent_qos_s *);
#define PKT_SCF_IPV6 0x00000001
#define PKT_SCF_TCP_ACK 0x00000002
#define PKT_SCF_TCP_SYN 0x00000004
#define CONNREQF_MPTCP 0x1
#define CONNREQF_UIO 0x2
#define CONNREQF_IDEM 0x4
extern void set_packet_service_class(struct mbuf *, struct socket *,
mbuf_svc_class_t, u_int32_t);
extern void so_tc_update_stats(struct mbuf *, struct socket *,
mbuf_svc_class_t);
extern int so_tos_from_control(struct mbuf *);
extern int so_tc_from_control(struct mbuf *, int *);
extern mbuf_svc_class_t so_tc2msc(int);
extern int so_svc2tc(mbuf_svc_class_t);
extern u_int8_t tcp_cansbgrow(struct sockbuf *sb);
extern void set_tcp_stream_priority(struct socket *so);
extern int so_set_net_service_type(struct socket *, int);
extern int so_set_traffic_class(struct socket *, int);
extern void so_set_default_traffic_class(struct socket *);
extern int so_set_opportunistic(struct socket *, int);
extern int so_get_opportunistic(struct socket *);
extern int so_set_recv_anyif(struct socket *, int);
extern int so_get_recv_anyif(struct socket *);
extern int so_set_effective_pid(struct socket *so, int epid, struct proc *p, boolean_t check_cred);
extern int so_set_effective_uuid(struct socket *so, uuid_t euuid, struct proc *p, boolean_t check_cred);
extern int so_set_restrictions(struct socket *, uint32_t);
extern uint32_t so_get_restrictions(struct socket *);
extern void socket_tclass_init(void);
#if (DEVELOPMENT || DEBUG)
extern int so_set_tcdbg(struct socket *, struct so_tcdbg *);
extern int sogetopt_tcdbg(struct socket *, struct sockopt *);
#endif
extern int so_isdstlocal(struct socket *);
extern void so_recv_data_stat(struct socket *, struct mbuf *, size_t);
extern void so_inc_recv_data_stat(struct socket *, size_t, size_t, uint32_t);
extern int so_wait_for_if_feedback(struct socket *);
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 boolean_t so_cache_timer(void);
extern void mptcp_fallback_sbdrop(struct socket *so, struct mbuf *m, int len);
extern void mptcp_preproc_sbdrop(struct socket *, struct mbuf *, unsigned int);
extern void mptcp_postproc_sbdrop(struct mbuf *, u_int64_t, u_int32_t,
u_int32_t);
extern void netpolicy_post_msg(uint32_t, struct netpolicy_event_data *,
uint32_t);
extern int tcp_notsent_lowat_check(struct socket *so);
extern user_ssize_t uio_array_resid(struct uio **, u_int);
extern user_ssize_t recv_msg_array_resid(struct recv_msg_elem *, u_int);
void sotoxsocket_n(struct socket *, struct xsocket_n *);
void sbtoxsockbuf_n(struct sockbuf *, struct xsockbuf_n *);
void sbtoxsockstat_n(struct socket *, struct xsockstat_n *);
__END_DECLS
#endif
#endif
#endif