920 lines
16 KiB
C
920 lines
16 KiB
C
/*
|
|
* ===================================
|
|
* HARP | Host ATM Research Platform
|
|
* ===================================
|
|
*
|
|
*
|
|
* This Host ATM Research Platform ("HARP") file (the "Software") is
|
|
* made available by Network Computing Services, Inc. ("NetworkCS")
|
|
* "AS IS". NetworkCS does not provide maintenance, improvements or
|
|
* support of any kind.
|
|
*
|
|
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
|
|
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
|
|
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
|
|
* In no event shall NetworkCS be responsible for any damages, including
|
|
* but not limited to consequential damages, arising from or relating to
|
|
* any use of the Software or related support.
|
|
*
|
|
* Copyright 1994-1998 Network Computing Services, Inc.
|
|
*
|
|
* Copies of this Software may be made, however, the above copyright
|
|
* notice must be reproduced on all copies.
|
|
*/
|
|
|
|
/*
|
|
* Core ATM Services
|
|
* -----------------
|
|
*
|
|
* ATM AAL5 socket protocol processing
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/signalvar.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/socketvar.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/sx.h>
|
|
#include <sys/systm.h>
|
|
#include <net/if.h>
|
|
#include <netatm/port.h>
|
|
#include <netatm/queue.h>
|
|
#include <netatm/atm.h>
|
|
#include <netatm/atm_sys.h>
|
|
#include <netatm/atm_sap.h>
|
|
#include <netatm/atm_cm.h>
|
|
#include <netatm/atm_if.h>
|
|
#include <netatm/atm_stack.h>
|
|
#include <netatm/atm_pcb.h>
|
|
#include <netatm/atm_var.h>
|
|
|
|
|
|
/*
|
|
* Global variables
|
|
*/
|
|
u_long atm_aal5_sendspace = 64 * 1024; /* XXX */
|
|
u_long atm_aal5_recvspace = 64 * 1024; /* XXX */
|
|
|
|
|
|
/*
|
|
* Local functions
|
|
*/
|
|
static int atm_aal5_attach(struct socket *, int, struct thread *td);
|
|
static int atm_aal5_detach(struct socket *);
|
|
static int atm_aal5_bind(struct socket *, struct sockaddr *,
|
|
struct thread *td);
|
|
static int atm_aal5_listen(struct socket *, struct thread *td);
|
|
static int atm_aal5_connect(struct socket *, struct sockaddr *,
|
|
struct thread *td);
|
|
static int atm_aal5_accept(struct socket *, struct sockaddr **);
|
|
static int atm_aal5_disconnect(struct socket *);
|
|
static int atm_aal5_shutdown(struct socket *);
|
|
static int atm_aal5_send(struct socket *, int, KBuffer *,
|
|
struct sockaddr *, KBuffer *, struct thread *td);
|
|
static int atm_aal5_abort(struct socket *);
|
|
static int atm_aal5_control(struct socket *, u_long, caddr_t,
|
|
struct ifnet *, struct thread *td);
|
|
static int atm_aal5_sense(struct socket *, struct stat *);
|
|
static int atm_aal5_sockaddr(struct socket *, struct sockaddr **);
|
|
static int atm_aal5_peeraddr(struct socket *, struct sockaddr **);
|
|
static int atm_aal5_incoming(void *, Atm_connection *,
|
|
Atm_attributes *, void **);
|
|
static void atm_aal5_cpcs_data(void *, KBuffer *);
|
|
static caddr_t atm_aal5_getname(void *);
|
|
|
|
|
|
/*
|
|
* New-style socket request routines
|
|
*/
|
|
struct pr_usrreqs atm_aal5_usrreqs = {
|
|
atm_aal5_abort, /* pru_abort */
|
|
atm_aal5_accept, /* pru_accept */
|
|
atm_aal5_attach, /* pru_attach */
|
|
atm_aal5_bind, /* pru_bind */
|
|
atm_aal5_connect, /* pru_connect */
|
|
pru_connect2_notsupp, /* pru_connect2 */
|
|
atm_aal5_control, /* pru_control */
|
|
atm_aal5_detach, /* pru_detach */
|
|
atm_aal5_disconnect, /* pru_disconnect */
|
|
atm_aal5_listen, /* pru_listen */
|
|
atm_aal5_peeraddr, /* pru_peeraddr */
|
|
pru_rcvd_notsupp, /* pru_rcvd */
|
|
pru_rcvoob_notsupp, /* pru_rcvoob */
|
|
atm_aal5_send, /* pru_send */
|
|
atm_aal5_sense, /* pru_sense */
|
|
atm_aal5_shutdown, /* pru_shutdown */
|
|
atm_aal5_sockaddr, /* pru_sockaddr */
|
|
sosend, /* pru_sosend */
|
|
soreceive, /* pru_soreceive */
|
|
sopoll /* pru_sopoll */
|
|
};
|
|
|
|
/*
|
|
* Local variables
|
|
*/
|
|
static Atm_endpoint atm_aal5_endpt = {
|
|
NULL,
|
|
ENDPT_SOCK_AAL5,
|
|
NULL,
|
|
atm_aal5_getname,
|
|
atm_sock_connected,
|
|
atm_sock_cleared,
|
|
atm_aal5_incoming,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
atm_aal5_cpcs_data,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
static Atm_attributes atm_aal5_defattr = {
|
|
NULL, /* nif */
|
|
CMAPI_CPCS, /* api */
|
|
0, /* api_init */
|
|
0, /* headin */
|
|
0, /* headout */
|
|
{ /* aal */
|
|
T_ATM_PRESENT,
|
|
ATM_AAL5
|
|
},
|
|
{ /* traffic */
|
|
T_ATM_ABSENT,
|
|
},
|
|
{ /* bearer */
|
|
T_ATM_ABSENT,
|
|
},
|
|
{ /* bhli */
|
|
T_ATM_ABSENT
|
|
},
|
|
{ /* blli */
|
|
T_ATM_ABSENT,
|
|
T_ATM_ABSENT,
|
|
},
|
|
{ /* llc */
|
|
T_ATM_ABSENT,
|
|
},
|
|
{ /* called */
|
|
T_ATM_ABSENT,
|
|
{
|
|
T_ATM_ABSENT,
|
|
0
|
|
},
|
|
{
|
|
T_ATM_ABSENT,
|
|
0
|
|
}
|
|
},
|
|
{ /* calling */
|
|
T_ATM_ABSENT
|
|
},
|
|
{ /* qos */
|
|
T_ATM_ABSENT,
|
|
},
|
|
{ /* transit */
|
|
T_ATM_ABSENT
|
|
},
|
|
{ /* cause */
|
|
T_ATM_ABSENT
|
|
}
|
|
};
|
|
|
|
|
|
/*
|
|
* Handy common code macros
|
|
*/
|
|
#ifdef DIAGNOSTIC
|
|
#define ATM_INTRO(f) \
|
|
int s, err = 0; \
|
|
s = splnet(); \
|
|
ATM_DEBUG2("aal5 socket %s (%p)\n", f, so); \
|
|
/* \
|
|
* Stack queue should have been drained \
|
|
*/ \
|
|
if (atm_stackq_head != NULL) \
|
|
panic("atm_aal5: stack queue not empty"); \
|
|
;
|
|
#else /* !DIAGNOSTIC */
|
|
#define ATM_INTRO(f) \
|
|
int s, err = 0; \
|
|
s = splnet(); \
|
|
;
|
|
#endif /* DIAGNOSTIC */
|
|
|
|
#define ATM_OUTRO() \
|
|
/* \
|
|
* Drain any deferred calls \
|
|
*/ \
|
|
STACK_DRAIN(); \
|
|
(void) splx(s); \
|
|
return (err); \
|
|
;
|
|
|
|
#define ATM_RETERR(errno) { \
|
|
err = errno; \
|
|
goto out; \
|
|
}
|
|
|
|
|
|
/*
|
|
* Attach protocol to socket
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* proto protocol identifier
|
|
* p pointer to process
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_attach(so, proto, td)
|
|
struct socket *so;
|
|
int proto;
|
|
struct thread *td;
|
|
{
|
|
Atm_pcb *atp;
|
|
|
|
ATM_INTRO("attach");
|
|
|
|
/*
|
|
* Do general attach stuff
|
|
*/
|
|
err = atm_sock_attach(so, atm_aal5_sendspace, atm_aal5_recvspace);
|
|
if (err)
|
|
ATM_RETERR(err);
|
|
|
|
/*
|
|
* Finish up any protocol specific stuff
|
|
*/
|
|
atp = sotoatmpcb(so);
|
|
atp->atp_type = ATPT_AAL5;
|
|
|
|
/*
|
|
* Set default connection attributes
|
|
*/
|
|
atp->atp_attr = atm_aal5_defattr;
|
|
strncpy(atp->atp_name, "(AAL5)", T_ATM_APP_NAME_LEN);
|
|
|
|
out:
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Detach protocol from socket
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_detach(so)
|
|
struct socket *so;
|
|
{
|
|
ATM_INTRO("detach");
|
|
|
|
err = atm_sock_detach(so);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Bind address to socket
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* addr pointer to protocol address
|
|
* p pointer to process
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_bind(so, addr, td)
|
|
struct socket *so;
|
|
struct sockaddr *addr;
|
|
struct thread *td;
|
|
{
|
|
ATM_INTRO("bind");
|
|
|
|
err = atm_sock_bind(so, addr);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Listen for incoming connections
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* p pointer to process
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_listen(so, td)
|
|
struct socket *so;
|
|
struct thread *td;
|
|
{
|
|
ATM_INTRO("listen");
|
|
|
|
err = atm_sock_listen(so, &atm_aal5_endpt);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Connect socket to peer
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* addr pointer to protocol address
|
|
* p pointer to process
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_connect(so, addr, td)
|
|
struct socket *so;
|
|
struct sockaddr *addr;
|
|
struct thread *td;
|
|
{
|
|
Atm_pcb *atp;
|
|
|
|
ATM_INTRO("connect");
|
|
|
|
atp = sotoatmpcb(so);
|
|
|
|
/*
|
|
* Resize send socket buffer to maximum sdu size
|
|
*/
|
|
if (atp->atp_attr.aal.tag == T_ATM_PRESENT) {
|
|
long size;
|
|
|
|
size = atp->atp_attr.aal.v.aal5.forward_max_SDU_size;
|
|
if (size != T_ATM_ABSENT)
|
|
if (!sbreserve(&so->so_snd, size, so, td)) {
|
|
err = ENOBUFS;
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
* Now get the socket connected
|
|
*/
|
|
err = atm_sock_connect(so, addr, &atm_aal5_endpt);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Accept pending connection
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* addr pointer to pointer to contain protocol address
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_accept(so, addr)
|
|
struct socket *so;
|
|
struct sockaddr **addr;
|
|
{
|
|
ATM_INTRO("accept");
|
|
|
|
/*
|
|
* Everything is pretty much done already, we just need to
|
|
* return the caller's address to the user.
|
|
*/
|
|
err = atm_sock_peeraddr(so, addr);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Disconnect connected socket
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_disconnect(so)
|
|
struct socket *so;
|
|
{
|
|
ATM_INTRO("disconnect");
|
|
|
|
err = atm_sock_disconnect(so);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Shut down socket data transmission
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_shutdown(so)
|
|
struct socket *so;
|
|
{
|
|
ATM_INTRO("shutdown");
|
|
|
|
socantsendmore(so);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Send user data
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* flags send data flags
|
|
* m pointer to buffer containing user data
|
|
* addr pointer to protocol address
|
|
* control pointer to buffer containing protocol control data
|
|
* p pointer to process
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_send(so, flags, m, addr, control, td)
|
|
struct socket *so;
|
|
int flags;
|
|
KBuffer *m;
|
|
struct sockaddr *addr;
|
|
KBuffer *control;
|
|
struct thread *td;
|
|
{
|
|
Atm_pcb *atp;
|
|
|
|
ATM_INTRO("send");
|
|
|
|
/*
|
|
* We don't support any control functions
|
|
*/
|
|
if (control) {
|
|
int clen;
|
|
|
|
clen = KB_LEN(control);
|
|
KB_FREEALL(control);
|
|
if (clen) {
|
|
KB_FREEALL(m);
|
|
ATM_RETERR(EINVAL);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We also don't support any flags or send-level addressing
|
|
*/
|
|
if (flags || addr) {
|
|
KB_FREEALL(m);
|
|
ATM_RETERR(EINVAL);
|
|
}
|
|
|
|
/*
|
|
* All we've got left is the data, so push it out
|
|
*/
|
|
atp = sotoatmpcb(so);
|
|
err = atm_cm_cpcs_data(atp->atp_conn, m);
|
|
if (err) {
|
|
/*
|
|
* Output problem, drop packet
|
|
*/
|
|
atm_sock_stat.as_outdrop[atp->atp_type]++;
|
|
KB_FREEALL(m);
|
|
}
|
|
|
|
out:
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Abnormally terminate service
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_abort(so)
|
|
struct socket *so;
|
|
{
|
|
ATM_INTRO("abort");
|
|
|
|
so->so_error = ECONNABORTED;
|
|
err = atm_sock_detach(so);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Do control operation - ioctl system call
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* cmd ioctl code
|
|
* data pointer to code specific parameter data area
|
|
* ifp pointer to ifnet structure if it's an interface ioctl
|
|
* p pointer to process
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_control(so, cmd, data, ifp, td)
|
|
struct socket *so;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
struct ifnet *ifp;
|
|
struct thread *td;
|
|
{
|
|
ATM_INTRO("control");
|
|
|
|
switch (cmd) {
|
|
|
|
default:
|
|
err = EOPNOTSUPP;
|
|
}
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
/*
|
|
* Sense socket status - fstat system call
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* st pointer to file status structure
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_sense(so, st)
|
|
struct socket *so;
|
|
struct stat *st;
|
|
{
|
|
ATM_INTRO("sense");
|
|
|
|
/*
|
|
* Just return the max sdu size for the connection
|
|
*/
|
|
st->st_blksize = so->so_snd.sb_hiwat;
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Retrieve local socket address
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* addr pointer to pointer to contain protocol address
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_sockaddr(so, addr)
|
|
struct socket *so;
|
|
struct sockaddr **addr;
|
|
{
|
|
ATM_INTRO("sockaddr");
|
|
|
|
err = atm_sock_sockaddr(so, addr);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Retrieve peer socket address
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* addr pointer to pointer to contain protocol address
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_peeraddr(so, addr)
|
|
struct socket *so;
|
|
struct sockaddr **addr;
|
|
{
|
|
ATM_INTRO("peeraddr");
|
|
|
|
err = atm_sock_peeraddr(so, addr);
|
|
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Process Incoming Calls
|
|
*
|
|
* This function will receive control when an incoming call has been matched
|
|
* to one of our registered listen parameter blocks. Assuming the call passes
|
|
* acceptance criteria and all required resources are available, we will
|
|
* create a new protocol control block and socket association. We must
|
|
* then await notification of the final SVC setup results. If any
|
|
* problems are encountered, we will just tell the connection manager to
|
|
* reject the call.
|
|
*
|
|
* Called at splnet.
|
|
*
|
|
* Arguments:
|
|
* tok owner's matched listening token
|
|
* cop pointer to incoming call's connection block
|
|
* ap pointer to incoming call's attributes
|
|
* tokp pointer to location to store our connection token
|
|
*
|
|
* Returns:
|
|
* 0 call is accepted
|
|
* errno call rejected - reason indicated
|
|
*
|
|
*/
|
|
static int
|
|
atm_aal5_incoming(tok, cop, ap, tokp)
|
|
void *tok;
|
|
Atm_connection *cop;
|
|
Atm_attributes *ap;
|
|
void **tokp;
|
|
{
|
|
Atm_pcb *atp0 = tok, *atp;
|
|
struct socket *so;
|
|
int err = 0;
|
|
|
|
/*
|
|
* Allocate a new socket and pcb for this connection.
|
|
*
|
|
* Note that our attach function will be called via sonewconn
|
|
* and it will allocate and setup most of the pcb.
|
|
*/
|
|
atm_sock_stat.as_inconn[atp0->atp_type]++;
|
|
so = sonewconn(atp0->atp_socket, 0);
|
|
|
|
if (so) {
|
|
/*
|
|
* Finish pcb setup and pass pcb back to CM
|
|
*/
|
|
atp = sotoatmpcb(so);
|
|
atp->atp_conn = cop;
|
|
atp->atp_attr = *atp0->atp_conn->co_lattr;
|
|
strncpy(atp->atp_name, atp0->atp_name, T_ATM_APP_NAME_LEN);
|
|
*tokp = atp;
|
|
} else {
|
|
err = ECONNABORTED;
|
|
atm_sock_stat.as_connfail[atp0->atp_type]++;
|
|
}
|
|
|
|
return (err);
|
|
}
|
|
|
|
|
|
/*
|
|
* Process Socket VCC Input Data
|
|
*
|
|
* Arguments:
|
|
* tok owner's connection token (atm_pcb)
|
|
* m pointer to input packet buffer chain
|
|
*
|
|
* Returns:
|
|
* none
|
|
*
|
|
*/
|
|
static void
|
|
atm_aal5_cpcs_data(tok, m)
|
|
void *tok;
|
|
KBuffer *m;
|
|
{
|
|
Atm_pcb *atp = tok;
|
|
struct socket *so;
|
|
int len;
|
|
|
|
so = atp->atp_socket;
|
|
|
|
KB_PLENGET(m, len);
|
|
|
|
/*
|
|
* Ensure that the socket is able to receive data and
|
|
* that there's room in the socket buffer
|
|
*/
|
|
if (((so->so_state & SS_ISCONNECTED) == 0) ||
|
|
(so->so_state & SS_CANTRCVMORE) ||
|
|
(len > sbspace(&so->so_rcv))) {
|
|
atm_sock_stat.as_indrop[atp->atp_type]++;
|
|
KB_FREEALL(m);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Queue the data and notify the user
|
|
*/
|
|
sbappendrecord(&so->so_rcv, m);
|
|
sorwakeup(so);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* Process getsockopt/setsockopt system calls
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* sopt pointer to socket option info
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
int
|
|
atm_aal5_ctloutput(so, sopt)
|
|
struct socket *so;
|
|
struct sockopt *sopt;
|
|
{
|
|
Atm_pcb *atp;
|
|
|
|
ATM_INTRO("ctloutput");
|
|
|
|
/*
|
|
* Make sure this is for us
|
|
*/
|
|
if (sopt->sopt_level != T_ATM_SIGNALING) {
|
|
ATM_RETERR(EINVAL);
|
|
}
|
|
atp = sotoatmpcb(so);
|
|
if (atp == NULL) {
|
|
ATM_RETERR(ENOTCONN);
|
|
}
|
|
|
|
switch (sopt->sopt_dir) {
|
|
|
|
case SOPT_SET:
|
|
/*
|
|
* setsockopt()
|
|
*/
|
|
|
|
/*
|
|
* Validate socket state
|
|
*/
|
|
switch (sopt->sopt_name) {
|
|
|
|
case T_ATM_ADD_LEAF:
|
|
case T_ATM_DROP_LEAF:
|
|
if ((so->so_state & SS_ISCONNECTED) == 0) {
|
|
ATM_RETERR(ENOTCONN);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_CAUSE:
|
|
case T_ATM_APP_NAME:
|
|
break;
|
|
|
|
default:
|
|
if (so->so_state & SS_ISCONNECTED) {
|
|
ATM_RETERR(EISCONN);
|
|
}
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Validate and save user-supplied option data
|
|
*/
|
|
err = atm_sock_setopt(so, sopt, atp);
|
|
|
|
break;
|
|
|
|
case SOPT_GET:
|
|
/*
|
|
* getsockopt()
|
|
*/
|
|
|
|
/*
|
|
* Return option data
|
|
*/
|
|
err = atm_sock_getopt(so, sopt, atp);
|
|
|
|
break;
|
|
}
|
|
|
|
out:
|
|
ATM_OUTRO();
|
|
}
|
|
|
|
|
|
/*
|
|
* Initialize AAL5 Sockets
|
|
*
|
|
* Arguments:
|
|
* none
|
|
*
|
|
* Returns:
|
|
* none
|
|
*
|
|
*/
|
|
void
|
|
atm_aal5_init()
|
|
{
|
|
/*
|
|
* Register our endpoint
|
|
*/
|
|
if (atm_endpoint_register(&atm_aal5_endpt))
|
|
panic("atm_aal5_init: register");
|
|
|
|
/*
|
|
* Set default connection attributes
|
|
*/
|
|
atm_aal5_defattr.aal.v.aal5.forward_max_SDU_size = T_ATM_ABSENT;
|
|
atm_aal5_defattr.aal.v.aal5.backward_max_SDU_size = T_ATM_ABSENT;
|
|
atm_aal5_defattr.aal.v.aal5.SSCS_type = T_ATM_NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* Get Connection's Application/Owner Name
|
|
*
|
|
* Arguments:
|
|
* tok owner's connection token (atm_pcb)
|
|
*
|
|
* Returns:
|
|
* addr pointer to string containing our name
|
|
*
|
|
*/
|
|
static caddr_t
|
|
atm_aal5_getname(tok)
|
|
void *tok;
|
|
{
|
|
Atm_pcb *atp = tok;
|
|
|
|
return (atp->atp_name);
|
|
}
|
|
|