/*
- * Copyright (c) 2000-2011 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
struct socket {
int so_zone; /* zone we were allocated from */
short so_type; /* generic type, see socket.h */
- short so_options; /* from socket call, see socket.h */
+ u_int32_t so_options; /* from socket call, see socket.h */
short so_linger; /* time to linger while closing */
short so_state; /* internal state flags SS_*, below */
- void *so_pcb; /* protocol control block */
+ void *so_pcb; /* protocol control block */
struct protosw *so_proto; /* protocol handle */
/*
* Variables for connection queueing.
struct selinfo sb_sel; /* process selecting read/write */
short sb_flags; /* flags, see below */
struct timeval sb_timeo; /* timeout for read/write */
- u_int sb_maxused; /* max char count ever used in sockbuf */
+ u_int32_t sb_idealsize; /* Ideal size for the sb based on bandwidth and delay */
void *reserved1[4]; /* for future use */
} so_rcv, so_snd;
#define SB_MAX (8192*1024) /* default for max chars in sockbuf */
#define SB_NOTIFY (SB_WAIT|SB_SEL|SB_ASYNC)
#define SB_DROP 0x400 /* does not accept any more data */
#define SB_UNIX 0x800 /* UNIX domain socket buffer */
+#define SB_AUTOSIZE 0x1000 /* automatically size socket buffer */
+#define SB_TRIM 0x2000 /* Trim the socket buffer */
#define SB_RECV 0x8000 /* this is rcv sb */
- caddr_t so_tpcb; /* Wisc. protocol control block - XXX unused? */
+ caddr_t so_tpcb; /* Wisc. protocol control block, used by some kexts */
#endif
void (*so_upcall)(struct socket *so, caddr_t arg, int waitf);
caddr_t so_upcallarg; /* Arg for above */
- uid_t so_uid; /* who opened the socket */
- gid_t so_gid; /* gid of whoever opened the socket */
+ kauth_cred_t so_cred; /* cred of who opened the socket */
/* NB: generation count must not be first; easiest to make it last. */
so_gen_t so_gencnt; /* generation count */
#ifndef __APPLE__
#define SOF_PCBCLEARING 0x4 /* pru_disconnect done; don't call pru_detach */
#define SOF_DEFUNCT 0x8 /* socket marked as inactive */
#define SOF_CLOSEWAIT 0x10 /* blocked in close awaiting some events */
-#define SOF_UPCALLINUSE 0x20 /* socket upcall is currently in progress */
#define SOF_REUSESHAREUID 0x40 /* Allows SO_REUSEADDR/SO_REUSEPORT for multiple so_uid */
#define SOF_MULTIPAGES 0x80 /* jumbo clusters may be used for sosend */
#define SOF_ABORTED 0x100 /* soabort was already called once on the socket */
#define SOF_NPX_SETOPTSHUT 0x2000 /* Non POSIX extension to allow setsockopt(2) after shut down */
#define SOF_RECV_TRAFFIC_CLASS 0x4000 /* Receive traffic class as ancillary data */
#define SOF_NODEFUNCT 0x8000 /* socket cannot be defunct'd */
-#define SOF_INCOMP_INPROGRESS 0x10000 /* incomp socket still being processed */
+#define SOF_PRIVILEGED_TRAFFIC_CLASS 0x10000 /* traffic class is privileged */
+#define SOF_SUSPENDED 0x20000 /* interface output queue is suspended */
+#define SOF_INCOMP_INPROGRESS 0x40000 /* incomp socket still being processed */
+#define SOF_NOTSENT_LOWAT 0x80000 /* A different lowat on not sent data has been set */
+#define SOF_KNOTE 0x100000 /* socket is on the EV_SOCK klist */
+#define SOF_USELRO 0x200000 /* TCP must use LRO on these sockets */
+ uint32_t so_upcallusecount; /* number of upcalls in progress */
int so_usecount; /* refcounting of socket use */;
int so_retaincnt;
u_int32_t so_filteruse; /* usecount for the socket filters */
struct label *so_peerlabel; /* cached MAC label for socket peer */
thread_t so_background_thread; /* thread that marked this socket background */
int so_traffic_class;
-
+
// last process to interact with this socket
u_int64_t last_upid;
pid_t last_pid;
-
struct data_stats so_tc_stats[SO_TC_STATS_MAX];
+ struct klist so_klist; /* klist for EV_SOCK events */
};
/* Control message accessor in mbufs */
#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 *)(m)->m_data)->cmsg_len) ?\
- (struct cmsghdr *)(m)->m_data : \
+ (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) \
_MIN_NXT_CMSGHDR_PTR(cmsg) > ((char *)(m)->m_data) + (m)->m_len || \
_MIN_NXT_CMSGHDR_PTR(cmsg) < (char *)(m)->m_data ? \
(struct cmsghdr *)0L /* NULL */ : \
- (struct cmsghdr *)((unsigned char *)(cmsg) + \
+ (struct cmsghdr *)(void *)((unsigned char *)(cmsg) + \
__DARWIN_ALIGN32((__uint32_t)(cmsg)->cmsg_len)))
#endif /* KERNEL_PRIVATE */
#define _XSOCKET_PTR(x) x
#endif
+#ifdef PRIVATE
+/* Flags returned in data field for EVFILT_SOCK events. */
+#define SOCKEV_CONNECTED 0x00000001 /* connected */
+#define SOCKEV_DISCONNECTED 0x00000002 /* disconnected */
+#endif /* PRIVATE */
+
#pragma pack(4)
struct xsockbuf {
u_int32_t xso_kind; /* XSO_SOCKET */
u_int64_t xso_so; /* makes a convenient handle */
short so_type;
- short so_options;
+ u_int32_t so_options;
short so_linger;
short so_state;
u_int64_t so_pcb; /* another convenient handle */
#define sotokextcb(so) (so ? so->so_ext : 0)
#ifdef KERNEL
-
-#define SO_FILT_HINT_LOCKED 0x1
+#include <sys/kpi_mbuf.h>
+
+/* Hints for socket event processing */
+#define SO_FILT_HINT_LOCKED 0x00000001 /* socket is already locked */
+#define SO_FILT_HINT_CONNRESET 0x00000002 /* Reset is received */
+#define SO_FILT_HINT_CANTRCVMORE 0x00000004 /* No more data to read */
+#define SO_FILT_HINT_CANTSENDMORE 0x00000008 /* Can't write more data */
+#define SO_FILT_HINT_TIMEOUT 0x00000010 /* timeout */
+#define SO_FILT_HINT_NOSRCADDR 0x00000020 /* No src address available */
+#define SO_FILT_HINT_IFDENIED 0x00000040 /* interface denied connection */
+#define SO_FILT_HINT_SUSPEND 0x00000080 /* output queue suspended */
+#define SO_FILT_HINT_RESUME 0x00000100 /* output queue resumed */
+#define SO_FILT_HINT_KEEPALIVE 0x00000200 /* TCP Keepalive received */
+
+#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)
/*
* Argument structure for sosetopt et seq. This is in the KERNEL
extern int sosendjcl;
extern int sosendjcl_ignore_capab;
extern int sodefunctlog;
+extern int sothrottlelog;
extern int somaxconn;
struct file;
} \
}
+#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(x) do { if (sodefunctlog) printf x; } while (0)
+#define SOTHROTTLELOG(x) do { if (sothrottlelog) printf x; } while (0)
+
/*
* For debugging traffic class behaviors
*/
#define SOTCDB_NO_SENDTCPBG 0x04 /* Do not use background TCP CC algorithm for sender */
#define SOTCDB_NO_LCLTST 0x08 /* Do not test for local destination for setting DSCP */
#define SOTCDB_NO_DSCPTST 0x10 /* Overwritte any existing DSCP code */
-#define SOTCDB_NO_RECVTCPBG 0x20 /* Do not use throttling on receiver-side of TCP */
+#define SOTCDB_NO_RECVTCPBG 0x20 /* Do not use throttling on receiver-side of TCP */
+#define SOTCDB_NO_PRIVILEGED 0x40 /* Do not set privileged traffic flag */
extern u_int32_t sotcdb;
extern void soisdisconnected(struct socket *so);
extern void sodisconnectwakeup(struct socket *so);
extern void soisdisconnecting(struct socket *so);
-extern int soisbackground(struct socket *so);
+extern int soisthrottled(struct socket *so);
+extern int soisprivilegedtraffic(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,
extern void sofreelastref(struct socket *, int);
extern int sogetaddr_locked(struct socket *, struct sockaddr **, int);
extern const char *solockhistory_nr(struct socket *);
-extern void set_packet_tclass(struct mbuf *, struct socket *, int, int);
-extern int mbuf_traffic_class_from_control(struct mbuf *);
+extern void soevent(struct socket *so, long hint);
+extern void get_sockev_state(struct socket *, u_int32_t *);
+
+#ifdef BSD_KERNEL_PRIVATE
+/* Service class flags used for setting service class on a packet */
+#define PKT_SCF_IPV6 0x00000001 /* IPv6 packet */
+#define PKT_SCF_TCP_ACK 0x00000002 /* Pure TCP ACK */
+
+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 mbuf_svc_class_t mbuf_service_class_from_control(struct mbuf *);
+extern mbuf_svc_class_t so_tc2msc(int);
+extern int so_svc2tc(mbuf_svc_class_t);
+
extern void set_tcp_stream_priority(struct socket *so);
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 void socket_tclass_init(void);
extern int so_set_tcdbg(struct socket *, struct so_tcdbg *);
extern int sogetopt_tcdbg(struct socket *, struct sockopt *);
extern void so_recv_data_stat(struct socket *, struct mbuf *, size_t);
+extern int so_wait_for_if_feedback(struct socket *);
+#endif /* BSD_KERNEL_PRIVATE */
/*
* XXX; prepare mbuf for (__FreeBSD__ < 3) routines.
projects / apple / xnu.git / blobdiff