static void
l2cap_connecting(void *arg)
{
struct socket *so = arg;
DPRINTF("Connecting\n");
soisconnecting(so);
}
/*
* Common subroutine to open a TCP connection to remote host specified
* by struct sockaddr_in in mbuf *nam. Call in_pcbbind to assign a local
* port number if needed. Call in_pcbconnect_setup to do the routing and
* to choose a local host address (interface). If there is an existing
* incarnation of the same connection in TIME-WAIT state and if the remote
* host was sending CC options and if the connection duration was < MSL, then
* truncate the previous TIME-WAIT state and proceed.
* Initialize connection parameters and enter SYN-SENT state.
*/
static int
tcp_connect(struct tcpcb *tp, struct sockaddr *nam, struct thread *td)
{
struct inpcb *inp = tp->t_inpcb, *oinp;
struct socket *so = inp->inp_socket;
struct in_addr laddr;
u_short lport;
int error;
INP_INFO_WLOCK_ASSERT(&V_tcbinfo);
INP_WLOCK_ASSERT(inp);
if (inp->inp_lport == 0) {
error = in_pcbbind(inp, (struct sockaddr *)0, td->td_ucred);
if (error)
return error;
}
/*
* Cannot simply call in_pcbconnect, because there might be an
* earlier incarnation of this same connection still in
* TIME_WAIT state, creating an ADDRINUSE error.
*/
laddr = inp->inp_laddr;
lport = inp->inp_lport;
error = in_pcbconnect_setup(inp, nam, &laddr.s_addr, &lport,
&inp->inp_faddr.s_addr, &inp->inp_fport, &oinp, td->td_ucred);
if (error && oinp == NULL)
return error;
if (oinp)
return EADDRINUSE;
inp->inp_laddr = laddr;
in_pcbrehash(inp);
/*
* Compute window scaling to request:
* Scale to fit into sweet spot. See tcp_syncache.c.
* XXX: This should move to tcp_output().
*/
while (tp->request_r_scale < TCP_MAX_WINSHIFT &&
(TCP_MAXWIN << tp->request_r_scale) < sb_max)
tp->request_r_scale++;
soisconnecting(so);
TCPSTAT_INC(tcps_connattempt);
tp->t_state = TCPS_SYN_SENT;
tcp_timer_activate(tp, TT_KEEP, tcp_keepinit);
tp->iss = tcp_new_isn(tp);
tp->t_bw_rtseq = tp->iss;
tcp_sendseqinit(tp);
return 0;
}
static void *
sco_newconn(void *arg, struct sockaddr_bt *laddr,
struct sockaddr_bt *raddr)
{
struct socket *so = arg;
DPRINTF("New Connection\n");
so = sonewconn(so, false);
if (so == NULL)
return NULL;
soisconnecting(so);
return so->so_pcb;
}
static int
rfcomm_connect(struct socket *so, struct sockaddr *nam, struct lwp *l)
{
struct rfcomm_dlc *pcb = so->so_pcb;
struct sockaddr_bt *sa = (struct sockaddr_bt *)nam;
KASSERT(solocked(so));
KASSERT(nam != NULL);
if (pcb == NULL)
return EINVAL;
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
soisconnecting(so);
return rfcomm_connect_pcb(pcb, sa);
}
static int
tcp6_connect(struct tcpcb *tp, struct sockaddr *nam, struct thread *td)
{
struct inpcb *inp = tp->t_inpcb, *oinp;
struct socket *so = inp->inp_socket;
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)nam;
struct in6_addr addr6;
int error;
INP_INFO_WLOCK_ASSERT(&V_tcbinfo);
INP_WLOCK_ASSERT(inp);
if (inp->inp_lport == 0) {
error = in6_pcbbind(inp, (struct sockaddr *)0, td->td_ucred);
if (error)
return error;
}
/*
* Cannot simply call in_pcbconnect, because there might be an
* earlier incarnation of this same connection still in
* TIME_WAIT state, creating an ADDRINUSE error.
* in6_pcbladdr() also handles scope zone IDs.
*/
error = in6_pcbladdr(inp, nam, &addr6);
if (error)
return error;
oinp = in6_pcblookup_hash(inp->inp_pcbinfo,
&sin6->sin6_addr, sin6->sin6_port,
IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)
? &addr6
: &inp->in6p_laddr,
inp->inp_lport, 0, NULL);
if (oinp)
return EADDRINUSE;
if (IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
inp->in6p_laddr = addr6;
inp->in6p_faddr = sin6->sin6_addr;
inp->inp_fport = sin6->sin6_port;
/* update flowinfo - draft-itojun-ipv6-flowlabel-api-00 */
inp->inp_flow &= ~IPV6_FLOWLABEL_MASK;
if (inp->inp_flags & IN6P_AUTOFLOWLABEL)
inp->inp_flow |=
(htonl(ip6_randomflowlabel()) & IPV6_FLOWLABEL_MASK);
in_pcbrehash(inp);
/* Compute window scaling to request. */
while (tp->request_r_scale < TCP_MAX_WINSHIFT &&
(TCP_MAXWIN << tp->request_r_scale) < sb_max)
tp->request_r_scale++;
soisconnecting(so);
TCPSTAT_INC(tcps_connattempt);
tp->t_state = TCPS_SYN_SENT;
tcp_timer_activate(tp, TT_KEEP, tcp_keepinit);
tp->iss = tcp_new_isn(tp);
tp->t_bw_rtseq = tp->iss;
tcp_sendseqinit(tp);
return 0;
}
static int
tcp_connect_oncpu(struct tcpcb *tp, int flags, struct mbuf *m,
struct sockaddr_in *sin, struct sockaddr_in *if_sin)
{
struct inpcb *inp = tp->t_inpcb, *oinp;
struct socket *so = inp->inp_socket;
struct route *ro = &inp->inp_route;
oinp = in_pcblookup_hash(&tcbinfo[mycpu->gd_cpuid],
sin->sin_addr, sin->sin_port,
(inp->inp_laddr.s_addr != INADDR_ANY ?
inp->inp_laddr : if_sin->sin_addr),
inp->inp_lport, 0, NULL);
if (oinp != NULL) {
m_freem(m);
return (EADDRINUSE);
}
if (inp->inp_laddr.s_addr == INADDR_ANY)
inp->inp_laddr = if_sin->sin_addr;
inp->inp_faddr = sin->sin_addr;
inp->inp_fport = sin->sin_port;
inp->inp_cpcbinfo = &tcbinfo[mycpu->gd_cpuid];
in_pcbinsconnhash(inp);
/*
* We are now on the inpcb's owner CPU, if the cached route was
* freed because the rtentry's owner CPU is not the current CPU
* (e.g. in tcp_connect()), then we try to reallocate it here with
* the hope that a rtentry may be cloned from a RTF_PRCLONING
* rtentry.
*/
if (!(inp->inp_socket->so_options & SO_DONTROUTE) && /*XXX*/
ro->ro_rt == NULL) {
bzero(&ro->ro_dst, sizeof(struct sockaddr_in));
ro->ro_dst.sa_family = AF_INET;
ro->ro_dst.sa_len = sizeof(struct sockaddr_in);
((struct sockaddr_in *)&ro->ro_dst)->sin_addr =
sin->sin_addr;
rtalloc(ro);
}
/*
* Now that no more errors can occur, change the protocol processing
* port to the current thread (which is the correct thread).
*
* Create TCP timer message now; we are on the tcpcb's owner
* CPU/thread.
*/
tcp_create_timermsg(tp, &curthread->td_msgport);
/*
* Compute window scaling to request. Use a larger scaling then
* needed for the initial receive buffer in case the receive buffer
* gets expanded.
*/
if (tp->request_r_scale < TCP_MIN_WINSHIFT)
tp->request_r_scale = TCP_MIN_WINSHIFT;
while (tp->request_r_scale < TCP_MAX_WINSHIFT &&
(TCP_MAXWIN << tp->request_r_scale) < so->so_rcv.ssb_hiwat
) {
tp->request_r_scale++;
}
soisconnecting(so);
tcpstat.tcps_connattempt++;
tp->t_state = TCPS_SYN_SENT;
tcp_callout_reset(tp, tp->tt_keep, tcp_keepinit, tcp_timer_keep);
tp->iss = tcp_new_isn(tp);
tcp_sendseqinit(tp);
if (m) {
ssb_appendstream(&so->so_snd, m);
m = NULL;
if (flags & PRUS_OOB)
tp->snd_up = tp->snd_una + so->so_snd.ssb_cc;
}
/*
* Close the send side of the connection after
* the data is sent if flagged.
*/
if ((flags & (PRUS_OOB|PRUS_EOF)) == PRUS_EOF) {
socantsendmore(so);
tp = tcp_usrclosed(tp);
}
return (tcp_output(tp));
}
static int
tcp6_connect_oncpu(struct tcpcb *tp, int flags, struct mbuf **mp,
struct sockaddr_in6 *sin6, struct in6_addr *addr6)
{
struct mbuf *m = *mp;
struct inpcb *inp = tp->t_inpcb;
struct socket *so = inp->inp_socket;
struct inpcb *oinp;
/*
* Cannot simply call in_pcbconnect, because there might be an
* earlier incarnation of this same connection still in
* TIME_WAIT state, creating an ADDRINUSE error.
*/
oinp = in6_pcblookup_hash(inp->inp_cpcbinfo,
&sin6->sin6_addr, sin6->sin6_port,
(IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr) ?
addr6 : &inp->in6p_laddr),
inp->inp_lport, 0, NULL);
if (oinp)
return (EADDRINUSE);
if (IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
inp->in6p_laddr = *addr6;
inp->in6p_faddr = sin6->sin6_addr;
inp->inp_fport = sin6->sin6_port;
if ((sin6->sin6_flowinfo & IPV6_FLOWINFO_MASK) != 0)
inp->in6p_flowinfo = sin6->sin6_flowinfo;
in_pcbinsconnhash(inp);
/*
* Now that no more errors can occur, change the protocol processing
* port to the current thread (which is the correct thread).
*
* Create TCP timer message now; we are on the tcpcb's owner
* CPU/thread.
*/
tcp_create_timermsg(tp, &curthread->td_msgport);
/* Compute window scaling to request. */
if (tp->request_r_scale < TCP_MIN_WINSHIFT)
tp->request_r_scale = TCP_MIN_WINSHIFT;
while (tp->request_r_scale < TCP_MAX_WINSHIFT &&
(TCP_MAXWIN << tp->request_r_scale) < so->so_rcv.ssb_hiwat) {
tp->request_r_scale++;
}
soisconnecting(so);
tcpstat.tcps_connattempt++;
tp->t_state = TCPS_SYN_SENT;
tcp_callout_reset(tp, tp->tt_keep, tcp_keepinit, tcp_timer_keep);
tp->iss = tcp_new_isn(tp);
tcp_sendseqinit(tp);
if (m) {
ssb_appendstream(&so->so_snd, m);
*mp = NULL;
if (flags & PRUS_OOB)
tp->snd_up = tp->snd_una + so->so_snd.ssb_cc;
}
/*
* Close the send side of the connection after
* the data is sent if flagged.
*/
if ((flags & (PRUS_OOB|PRUS_EOF)) == PRUS_EOF) {
socantsendmore(so);
tp = tcp_usrclosed(tp);
}
return (tcp_output(tp));
}
/*
* User Request.
* up is socket
* m is either
* optional mbuf chain containing message
* ioctl command (PRU_CONTROL)
* nam is either
* optional mbuf chain containing an address
* ioctl data (PRU_CONTROL)
* optionally protocol number (PRU_ATTACH)
* message flags (PRU_RCVD)
* ctl is either
* optional mbuf chain containing socket options
* optional interface pointer (PRU_CONTROL, PRU_PURGEIF)
* l is pointer to process requesting action (if any)
*
* we are responsible for disposing of m and ctl if
* they are mbuf chains
*/
int
rfcomm_usrreq(struct socket *up, int req, struct mbuf *m,
struct mbuf *nam, struct mbuf *ctl, struct lwp *l)
{
struct rfcomm_dlc *pcb = up->so_pcb;
struct sockaddr_bt *sa;
struct mbuf *m0;
int err = 0;
DPRINTFN(2, "%s\n", prurequests[req]);
switch (req) {
case PRU_CONTROL:
return EPASSTHROUGH;
case PRU_PURGEIF:
return EOPNOTSUPP;
case PRU_ATTACH:
if (up->so_lock == NULL) {
mutex_obj_hold(bt_lock);
up->so_lock = bt_lock;
solock(up);
}
KASSERT(solocked(up));
if (pcb != NULL)
return EINVAL;
/*
* Since we have nothing to add, we attach the DLC
* structure directly to our PCB pointer.
*/
err = soreserve(up, rfcomm_sendspace, rfcomm_recvspace);
if (err)
return err;
err = rfcomm_attach((struct rfcomm_dlc **)&up->so_pcb,
&rfcomm_proto, up);
if (err)
return err;
err = rfcomm_rcvd(up->so_pcb, sbspace(&up->so_rcv));
if (err) {
rfcomm_detach((struct rfcomm_dlc **)&up->so_pcb);
return err;
}
return 0;
}
if (pcb == NULL) {
err = EINVAL;
goto release;
}
switch(req) {
case PRU_DISCONNECT:
soisdisconnecting(up);
return rfcomm_disconnect(pcb, up->so_linger);
case PRU_ABORT:
rfcomm_disconnect(pcb, 0);
soisdisconnected(up);
/* fall through to */
case PRU_DETACH:
return rfcomm_detach((struct rfcomm_dlc **)&up->so_pcb);
case PRU_BIND:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
return rfcomm_bind(pcb, sa);
case PRU_CONNECT:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
soisconnecting(up);
return rfcomm_connect(pcb, sa);
case PRU_PEERADDR:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return rfcomm_peeraddr(pcb, sa);
case PRU_SOCKADDR:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return rfcomm_sockaddr(pcb, sa);
case PRU_SHUTDOWN:
socantsendmore(up);
break;
case PRU_SEND:
KASSERT(m != NULL);
if (ctl) /* no use for that */
m_freem(ctl);
m0 = m_copypacket(m, M_DONTWAIT);
if (m0 == NULL)
return ENOMEM;
sbappendstream(&up->so_snd, m);
return rfcomm_send(pcb, m0);
case PRU_SENSE:
return 0; /* (no release) */
case PRU_RCVD:
return rfcomm_rcvd(pcb, sbspace(&up->so_rcv));
case PRU_RCVOOB:
return EOPNOTSUPP; /* (no release) */
case PRU_LISTEN:
return rfcomm_listen(pcb);
case PRU_ACCEPT:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return rfcomm_peeraddr(pcb, sa);
case PRU_CONNECT2:
case PRU_SENDOOB:
case PRU_FASTTIMO:
case PRU_SLOWTIMO:
case PRU_PROTORCV:
case PRU_PROTOSEND:
err = EOPNOTSUPP;
break;
default:
UNKNOWN(req);
err = EOPNOTSUPP;
break;
}
release:
if (m) m_freem(m);
if (ctl) m_freem(ctl);
return err;
}
int
tcp_usrreq(struct socket * so,
struct mbuf * m,
struct mbuf * nam)
{
struct inpcb * inp;
struct tcpcb * tp;
int error = 0;
int req;
#ifdef DO_TCPTRACE
int ostate;
#endif
req = so->so_req; /* get request from socket struct */
inp = sotoinpcb(so);
/*
* When a TCP is attached to a socket, then there will be
* a (struct inpcb) pointed at by the socket, and this
* structure will point at a subsidary (struct tcpcb).
*/
if (inp == 0 && req != PRU_ATTACH)
{
return (EINVAL);
}
if (inp)
tp = intotcpcb(inp);
else /* inp and tp not set, make sure this is OK: */
{
if (req == PRU_ATTACH)
tp = NULL; /* stifle compiler warnings about using unassigned tp*/
else
{
dtrap(); /* programming error? */
return EINVAL;
}
}
switch (req)
{
/*
* TCP attaches to socket via PRU_ATTACH, reserving space,
* and an internet control block.
*/
case PRU_ATTACH:
if (inp)
{
error = EISCONN;
break;
}
error = tcp_attach(so);
if (error)
break;
if ((so->so_options & SO_LINGER) && so->so_linger == 0)
so->so_linger = TCP_LINGERTIME;
#ifdef DO_TCPTRACE
SETTP(tp, sototcpcb(so));
#endif
break;
/*
* PRU_DETACH detaches the TCP protocol from the socket.
* If the protocol state is non-embryonic, then can't
* do this directly: have to initiate a PRU_DISCONNECT,
* which may finish later; embryonic TCB's can just
* be discarded here.
*/
case PRU_DETACH:
if (tp->t_state > TCPS_LISTEN)
SETTP(tp, tcp_disconnect(tp));
else
SETTP(tp, tcp_close(tp));
break;
/*
* Give the socket an address.
*/
case PRU_BIND:
/* bind is quite different for IPv4 and v6, so we use two
* seperate pcbbind routines. so_domain was checked for
* validity way up in t_bind()
*/
#ifdef IP_V4
if(inp->inp_socket->so_domain == AF_INET)
{
error = in_pcbbind(inp, nam);
break;
}
#endif /* IP_V4 */
#ifdef IP_V6
if(inp->inp_socket->so_domain == AF_INET6)
{
error = ip6_pcbbind(inp, nam);
break;
}
#endif /* IP_V6 */
dtrap(); /* not v4 or v6? */
error = EINVAL;
break;
/*
* Prepare to accept connections.
*/
case PRU_LISTEN:
if (inp->inp_lport == 0)
error = in_pcbbind(inp, (struct mbuf *)0);
if (error == 0)
tp->t_state = TCPS_LISTEN;
break;
/*
* Initiate connection to peer.
* Create a template for use in transmissions on this connection.
* Enter SYN_SENT state, and mark socket as connecting.
* Start keep-alive timer, and seed output sequence space.
* Send initial segment on connection.
*/
case PRU_CONNECT:
if (inp->inp_lport == 0)
{
#ifdef IP_V4
#ifndef IP_V6 /* v4 only */
error = in_pcbbind(inp, (struct mbuf *)0);
#else /* dual mode */
if(so->so_domain == AF_INET)
error = in_pcbbind(inp, (struct mbuf *)0);
else
error = ip6_pcbbind(inp, (struct mbuf *)0);
#endif /* end dual mode code */
#else /* no v4, v6 only */
error = ip6_pcbbind(inp, (struct mbuf *)0);
#endif /* end v6 only */
if (error)
break;
}
#ifdef IP_V4
#ifndef IP_V6 /* v4 only */
error = in_pcbconnect(inp, nam);
#else /* dual mode */
if(so->so_domain == AF_INET)
error = in_pcbconnect(inp, nam);
else
error = ip6_pcbconnect(inp, nam);
#endif /* end dual mode code */
#else /* no v4, v6 only */
error = ip6_pcbconnect(inp, nam);
#endif /* end v6 only */
if (error)
break;
tp->t_template = tcp_template(tp);
if (tp->t_template == 0)
{
#ifdef IP_V4
#ifndef IP_V6 /* v4 only */
in_pcbdisconnect(inp);
#else /* dual mode */
if(so->so_domain == AF_INET)
in_pcbdisconnect(inp);
else
ip6_pcbdisconnect(inp);
#endif /* end dual mode code */
#else /* no v4, v6 only */
ip6_pcbdisconnect(inp);
#endif /* end v6 only */
error = ENOBUFS;
break;
}
soisconnecting(so);
tcpstat.tcps_connattempt++;
tp->t_state = TCPS_SYN_SENT;
tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT;
tp->iss = tcp_iss;
tcp_iss += (tcp_seq)(TCP_ISSINCR/2);
tcp_sendseqinit(tp);
error = tcp_output(tp);
if (!error)
TCP_MIB_INC(tcpActiveOpens); /* keep MIB stats */
break;
/*
* Create a TCP connection between two sockets.
*/
case PRU_CONNECT2:
error = EOPNOTSUPP;
break;
/*
* Initiate disconnect from peer.
* If connection never passed embryonic stage, just drop;
* else if don't need to let data drain, then can just drop anyways,
* else have to begin TCP shutdown process: mark socket disconnecting,
* drain unread data, state switch to reflect user close, and
* send segment (e.g. FIN) to peer. Socket will be really disconnected
* when peer sends FIN and acks ours.
*
* SHOULD IMPLEMENT LATER PRU_CONNECT VIA REALLOC TCPCB.
*/
case PRU_DISCONNECT:
SETTP(tp, tcp_disconnect(tp));
break;
/*
* Accept a connection. Essentially all the work is
* done at higher levels; just return the address
* of the peer, storing through addr.
*/
case PRU_ACCEPT:
{
struct sockaddr_in * sin = mtod(nam, struct sockaddr_in *);
#ifdef IP_V6
struct sockaddr_in6 * sin6 = mtod(nam, struct sockaddr_in6 *);
#endif
#ifdef IP_V6
if (so->so_domain == AF_INET6)
{
nam->m_len = sizeof (struct sockaddr_in6);
sin6->sin6_port = inp->inp_fport;
sin6->sin6_family = AF_INET6;
IP6CPY(&sin6->sin6_addr, &inp->ip6_faddr);
}
#endif
#ifdef IP_V4
if (so->so_domain == AF_INET)
{
nam->m_len = sizeof (struct sockaddr_in);
sin->sin_family = AF_INET;
sin->sin_port = inp->inp_fport;
sin->sin_addr = inp->inp_faddr;
}
#endif
if ( !(so->so_domain == AF_INET) &&
!(so->so_domain == AF_INET6)
)
{
dprintf("*** PRU_ACCEPT bad domain = %d\n", so->so_domain);
dtrap();
}
TCP_MIB_INC(tcpPassiveOpens); /* keep MIB stats */
break;
}
/*
* Mark the connection as being incapable of further output.
*/
case PRU_SHUTDOWN:
socantsendmore(so);
tp = tcp_usrclosed(tp);
if (tp)
error = tcp_output(tp);
break;
/*
* After a receive, possibly send window update to peer.
*/
case PRU_RCVD:
(void) tcp_output(tp);
break;
/*
* Do a send by putting data in output queue and updating urgent
* marker if URG set. Possibly send more data.
*/
case PRU_SEND:
if (so->so_pcb == NULL)
{ /* Return EPIPE error if socket is not connected */
error = EPIPE;
break;
}
sbappend(&so->so_snd, m);
error = tcp_output(tp);
if (error == ENOBUFS)
sbdropend(&so->so_snd,m); /* Remove data from socket buffer */
break;
/*
* Abort the TCP.
*/
case PRU_ABORT:
SETTP(tp, tcp_drop(tp, ECONNABORTED));
break;
case PRU_SENSE:
/* ((struct stat *) m)->st_blksize = so->so_snd.sb_hiwat; */
dtrap(); /* does this ever happen? */
return (0);
case PRU_RCVOOB:
if ((so->so_oobmark == 0 &&
(so->so_state & SS_RCVATMARK) == 0) ||
#ifdef SO_OOBINLINE
so->so_options & SO_OOBINLINE ||
#endif
tp->t_oobflags & TCPOOB_HADDATA)
{
error = EINVAL;
break;
}
if ((tp->t_oobflags & TCPOOB_HAVEDATA) == 0)
{
error = EWOULDBLOCK;
break;
}
m->m_len = 1;
*mtod(m, char *) = tp->t_iobc;
if ((MBUF2LONG(nam) & MSG_PEEK) == 0)
tp->t_oobflags ^= (TCPOOB_HAVEDATA | TCPOOB_HADDATA);
break;
case PRU_SENDOOB:
if (so->so_pcb == NULL)
{ /* Return EPIPE error if socket is not connected */
error = EPIPE;
break;
}
if (sbspace(&so->so_snd) == 0)
{
m_freem(m);
error = ENOBUFS;
break;
}
/*
* According to RFC961 (Assigned Protocols),
* the urgent pointer points to the last octet
* of urgent data. We continue, however,
* to consider it to indicate the first octet
* of data past the urgent section.
* Otherwise, snd_up should be one lower.
*/
sbappend(&so->so_snd, m);
tp->snd_up = tp->snd_una + so->so_snd.sb_cc;
tp->t_force = 1;
error = tcp_output(tp);
if (error == ENOBUFS)
sbdropend(&so->so_snd,m); /* Remove data from socket buffer */
tp->t_force = 0;
break;
case PRU_SOCKADDR:
/* sockaddr and peeraddr have to switch based on IP type */
#ifdef IP_V4
#ifndef IP_V6 /* v4 only */
in_setsockaddr(inp, nam);
#else /* dual mode */
if(so->so_domain == AF_INET6)
ip6_setsockaddr(inp, nam);
else
in_setsockaddr(inp, nam);
#endif /* dual mode */
#else /* IP_V6 */
ip6_setsockaddr(inp, nam);
#endif
break;
case PRU_PEERADDR:
#ifdef IP_V4
#ifndef IP_V6 /* v4 only */
in_setpeeraddr(inp, nam);
#else /* dual mode */
if(so->so_domain == AF_INET6)
ip6_setpeeraddr(inp, nam);
else
in_setpeeraddr(inp, nam);
#endif /* dual mode */
#else /* IP_V6 */
ip6_setpeeraddr(inp, nam);
#endif
break;
case PRU_SLOWTIMO:
SETTP(tp, tcp_timers(tp, (int)MBUF2LONG(nam)));
#ifdef DO_TCPTRACE
req |= (long)nam << 8; /* for debug's sake */
#endif
break;
default:
panic("tcp_usrreq");
}
#ifdef DO_TCPTRACE
if (tp && (so->so_options & SO_DEBUG))
tcp_trace("usrreq: state: %d, tcpcb: %x, req: %d",
ostate, tp, req);
#endif
return (error);
}
/*
* User Request.
* up is socket
* m is either
* optional mbuf chain containing message
* ioctl command (PRU_CONTROL)
* nam is either
* optional mbuf chain containing an address
* ioctl data (PRU_CONTROL)
* optionally protocol number (PRU_ATTACH)
* message flags (PRU_RCVD)
* ctl is either
* optional mbuf chain containing socket options
* optional interface pointer (PRU_CONTROL, PRU_PURGEIF)
* l is pointer to process requesting action (if any)
*
* we are responsible for disposing of m and ctl if
* they are mbuf chains
*/
int
l2cap_usrreq(struct socket *up, int req, struct mbuf *m,
struct mbuf *nam, struct mbuf *ctl, struct proc *p)
{
struct l2cap_channel *pcb = up->so_pcb;
struct sockaddr_bt *sa;
struct mbuf *m0;
int err = 0;
#ifdef notyet /* XXX */
DPRINTFN(2, "%s\n", prurequests[req]);
#endif
switch (req) {
case PRU_CONTROL:
return EPASSTHROUGH;
#ifdef notyet /* XXX */
case PRU_PURGEIF:
return EOPNOTSUPP;
#endif
case PRU_ATTACH:
/* XXX solock() and bt_lock fiddling in NetBSD */
if (pcb != NULL)
return EINVAL;
/*
* For L2CAP socket PCB we just use an l2cap_channel structure
* since we have nothing to add..
*/
err = soreserve(up, l2cap_sendspace, l2cap_recvspace);
if (err)
return err;
return l2cap_attach((struct l2cap_channel **)&up->so_pcb,
&l2cap_proto, up);
}
if (pcb == NULL) {
err = EINVAL;
goto release;
}
switch(req) {
case PRU_DISCONNECT:
soisdisconnecting(up);
return l2cap_disconnect(pcb, up->so_linger);
case PRU_ABORT:
l2cap_disconnect(pcb, 0);
soisdisconnected(up);
/* fall through to */
case PRU_DETACH:
return l2cap_detach((struct l2cap_channel **)&up->so_pcb);
case PRU_BIND:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
return l2cap_bind(pcb, sa);
case PRU_CONNECT:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
soisconnecting(up);
return l2cap_connect(pcb, sa);
case PRU_PEERADDR:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return l2cap_peeraddr(pcb, sa);
case PRU_SOCKADDR:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return l2cap_sockaddr(pcb, sa);
case PRU_SHUTDOWN:
socantsendmore(up);
break;
case PRU_SEND:
KASSERT(m != NULL);
if (m->m_pkthdr.len == 0)
break;
if (m->m_pkthdr.len > pcb->lc_omtu) {
err = EMSGSIZE;
break;
}
m0 = m_copym(m, 0, M_COPYALL, M_DONTWAIT);
if (m0 == NULL) {
err = ENOMEM;
break;
}
if (ctl) /* no use for that */
m_freem(ctl);
sbappendrecord(&up->so_snd, m);
return l2cap_send(pcb, m0);
case PRU_SENSE:
return 0; /* (no release) */
case PRU_RCVD:
case PRU_RCVOOB:
return EOPNOTSUPP; /* (no release) */
case PRU_LISTEN:
return l2cap_listen(pcb);
case PRU_ACCEPT:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return l2cap_peeraddr(pcb, sa);
case PRU_CONNECT2:
case PRU_SENDOOB:
case PRU_FASTTIMO:
case PRU_SLOWTIMO:
case PRU_PROTORCV:
case PRU_PROTOSEND:
err = EOPNOTSUPP;
break;
default:
UNKNOWN(req);
err = EOPNOTSUPP;
break;
}
release:
if (m) m_freem(m);
if (ctl) m_freem(ctl);
return err;
}
/*
* User Request.
* up is socket
* m is either
* optional mbuf chain containing message
* ioctl command (PRU_CONTROL)
* nam is either
* optional mbuf chain containing an address
* ioctl data (PRU_CONTROL)
* ctl is optional mbuf chain containing socket options
* l is pointer to process requesting action (if any)
*
* we are responsible for disposing of m and ctl if
* they are mbuf chains
*/
static int
sco_usrreq(struct socket *up, int req, struct mbuf *m,
struct mbuf *nam, struct mbuf *ctl, struct lwp *l)
{
struct sco_pcb *pcb = (struct sco_pcb *)up->so_pcb;
struct sockaddr_bt *sa;
struct mbuf *m0;
int err = 0;
DPRINTFN(2, "%s\n", prurequests[req]);
KASSERT(req != PRU_ATTACH);
KASSERT(req != PRU_DETACH);
switch(req) {
case PRU_CONTROL:
return EOPNOTSUPP;
case PRU_PURGEIF:
return EOPNOTSUPP;
}
/* anything after here *requires* a pcb */
if (pcb == NULL) {
err = EINVAL;
goto release;
}
switch(req) {
case PRU_DISCONNECT:
soisdisconnecting(up);
return sco_disconnect(pcb, up->so_linger);
case PRU_ABORT:
sco_disconnect(pcb, 0);
soisdisconnected(up);
sco_detach(up);
return 0;
case PRU_BIND:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
return sco_bind(pcb, sa);
case PRU_CONNECT:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
soisconnecting(up);
return sco_connect(pcb, sa);
case PRU_PEERADDR:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return sco_peeraddr(pcb, sa);
case PRU_SOCKADDR:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return sco_sockaddr(pcb, sa);
case PRU_SHUTDOWN:
socantsendmore(up);
break;
case PRU_SEND:
KASSERT(m != NULL);
if (m->m_pkthdr.len == 0)
break;
if (m->m_pkthdr.len > pcb->sp_mtu) {
err = EMSGSIZE;
break;
}
m0 = m_copypacket(m, M_DONTWAIT);
if (m0 == NULL) {
err = ENOMEM;
break;
}
if (ctl) /* no use for that */
m_freem(ctl);
sbappendrecord(&up->so_snd, m);
return sco_send(pcb, m0);
case PRU_SENSE:
return 0; /* (no sense - Doh!) */
case PRU_RCVD:
case PRU_RCVOOB:
return EOPNOTSUPP; /* (no release) */
case PRU_LISTEN:
return sco_listen(pcb);
case PRU_ACCEPT:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return sco_peeraddr(pcb, sa);
case PRU_CONNECT2:
case PRU_SENDOOB:
case PRU_FASTTIMO:
case PRU_SLOWTIMO:
case PRU_PROTORCV:
case PRU_PROTOSEND:
err = EOPNOTSUPP;
break;
default:
UNKNOWN(req);
err = EOPNOTSUPP;
break;
}
release:
if (m) m_freem(m);
if (ctl) m_freem(ctl);
return err;
}