diff options
Diffstat (limited to 'sys/netatm/sigpvc/sigpvc_subr.c')
| -rw-r--r-- | sys/netatm/sigpvc/sigpvc_subr.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/sys/netatm/sigpvc/sigpvc_subr.c b/sys/netatm/sigpvc/sigpvc_subr.c deleted file mode 100644 index 67164c8..0000000 --- a/sys/netatm/sigpvc/sigpvc_subr.c +++ /dev/null @@ -1,187 +0,0 @@ -/*- - * =================================== - * 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. - */ - -/* - * PVC-only Signalling Manager - * --------------------------- - * - * Subroutines - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/socket.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_cm.h> -#include <netatm/atm_if.h> -#include <netatm/atm_vc.h> -#include <netatm/atm_sigmgr.h> - -#include <netatm/sigpvc/sigpvc_var.h> - -#include <vm/uma.h> - -extern uma_zone_t sigpvc_vc_zone; - -/* - * Create a SigPVC Permanent Virtual Channel - * - * This function will construct a vccb for a "sigpvc-controlled" PVC - * and create the service stack requested by the user. - * - * Must be called at splnet. - * - * Arguments: - * pvp pointer to sigpvc protocol instance - * cvp pointer to CM's connection VCC - * errp location to store an error code if CALL_FAILED is returned - * - * Returns: - * CALL_FAILED - pvc creation failed - * CALL_CONNECTED - pvc has been successfully created - * - */ -int -sigpvc_create_pvc(pvp, cvp, errp) - struct sigpvc *pvp; - Atm_connvc *cvp; - int *errp; -{ - Atm_addr_pvc *pp; - struct vccb *vcp; - u_int vpi, vci; - - pp = (Atm_addr_pvc *)cvp->cvc_attr.called.addr.address; - vpi = ATM_PVC_GET_VPI(pp); - vci = ATM_PVC_GET_VCI(pp); - - /* - * Verify requested VPI,VCI - */ - if ((vpi > pvp->pv_pif->pif_maxvpi) || - (vci == 0) || (vci > pvp->pv_pif->pif_maxvci)) { - *errp = ERANGE; - return (CALL_FAILED); - } - - for (vcp = Q_HEAD(pvp->pv_vccq, struct vccb); vcp; - vcp = Q_NEXT(vcp, struct vccb, vc_sigelem)) { - - if ((vcp->vc_vpi == vpi) && - (vcp->vc_vci == vci)) { - *errp = EADDRINUSE; - return (CALL_FAILED); - } - } - - /* - * Verify network interface - */ - if (cvp->cvc_attr.nif) { - if (cvp->cvc_attr.nif->nif_pif != pvp->pv_pif) { - *errp = EINVAL; - return (CALL_FAILED); - } - } - - /* - * Allocate control block for PVC - */ - vcp = uma_zalloc(sigpvc_vc_zone, M_WAITOK | M_ZERO); - if (vcp == NULL) { - *errp = ENOMEM; - return (CALL_FAILED); - } - - /* - * Fill in VCCB - */ - vcp->vc_type = VCC_PVC | VCC_IN | VCC_OUT; - vcp->vc_proto = ATM_SIG_PVC; - vcp->vc_sstate = VCCS_ACTIVE; - vcp->vc_ustate = VCCU_OPEN; - vcp->vc_pif = pvp->pv_pif; - vcp->vc_nif = cvp->cvc_attr.nif; - vcp->vc_vpi = vpi; - vcp->vc_vci = vci; - vcp->vc_connvc = cvp; - - /* - * Put VCCB on sigpvc queue - */ - ENQUEUE(vcp, struct vccb, vc_sigelem, pvp->pv_vccq); - - /* - * Pass back VCCB to connection manager - */ - cvp->cvc_vcc = vcp; - - /* - * PVC is ready to go! - */ - return (CALL_CONNECTED); -} - -/* - * Close a SigPVC VCC - * - * Clean up vccb, note that it's closing and wait for its freeing. - * - * Arguments: - * vcp pointer to connection's VCC control block - * - * Returns: - * none - * - */ -void -sigpvc_close_vcc(vcp) - struct vccb *vcp; -{ - - /* - * Sanity check (actually design-flaw check) - */ - if (vcp->vc_connvc->cvc_upcnt || vcp->vc_connvc->cvc_downcnt) - panic("sigpvc_close_vcc: stack call"); - - /* - * Set state variables - */ - vcp->vc_ustate = VCCU_CLOSED; - vcp->vc_sstate = VCCS_FREE; - - /* - * Wait for user to free resources - */ -} - |
