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https://git.FreeBSD.org/src.git
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1312 lines
31 KiB
C
1312 lines
31 KiB
C
/*
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*
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* ===================================
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* HARP | Host ATM Research Platform
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* ===================================
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*
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*
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* This Host ATM Research Platform ("HARP") file (the "Software") is
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* made available by Network Computing Services, Inc. ("NetworkCS")
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* "AS IS". NetworkCS does not provide maintenance, improvements or
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* support of any kind.
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*
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* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
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* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
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* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
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* In no event shall NetworkCS be responsible for any damages, including
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* but not limited to consequential damages, arising from or relating to
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* any use of the Software or related support.
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*
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* Copyright 1994-1998 Network Computing Services, Inc.
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*
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* Copies of this Software may be made, however, the above copyright
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* notice must be reproduced on all copies.
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*
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* @(#) $FreeBSD$
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*
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*/
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/*
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* Core ATM Services
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* -----------------
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*
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* ATM common socket protocol processing
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*
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*/
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#include <netatm/kern_include.h>
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#ifndef lint
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__RCSID("@(#) $FreeBSD$");
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#endif
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/*
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* Local functions
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*/
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/*
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* Local variables
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*/
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static struct sp_info atm_pcb_pool = {
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"atm pcb pool", /* si_name */
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sizeof(Atm_pcb), /* si_blksiz */
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10, /* si_blkcnt */
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100 /* si_maxallow */
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};
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static struct t_atm_cause atm_sock_cause = {
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T_ATM_ITU_CODING,
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T_ATM_LOC_USER,
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T_ATM_CAUSE_UNSPECIFIED_NORMAL,
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{0, 0, 0, 0}
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};
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/*
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* Allocate resources for a new ATM socket
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*
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* Called at splnet.
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*
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* Arguments:
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* so pointer to socket
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* send socket send buffer maximum
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* recv socket receive buffer maximum
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*
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* Returns:
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* 0 attach successful
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* errno attach failed - reason indicated
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*
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*/
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int
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atm_sock_attach(so, send, recv)
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struct socket *so;
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u_long send;
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u_long recv;
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{
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Atm_pcb *atp = sotoatmpcb(so);
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int err;
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/*
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* Make sure initialization has happened
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*/
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if (!atm_init)
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atm_initialize();
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/*
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* Make sure we're not already attached
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*/
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if (atp)
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return (EISCONN);
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/*
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* Reserve socket buffer space, if not already done
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*/
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if ((so->so_snd.sb_hiwat == 0) || (so->so_rcv.sb_hiwat == 0)) {
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err = soreserve(so, send, recv);
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if (err)
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return (err);
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}
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/*
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* Allocate and initialize our control block
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*/
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atp = (Atm_pcb *)atm_allocate(&atm_pcb_pool);
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if (atp == NULL)
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return (ENOMEM);
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atp->atp_socket = so;
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so->so_pcb = (caddr_t)atp;
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return (0);
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}
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/*
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* Detach from socket and free resources
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*
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* Called at splnet.
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*
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* Arguments:
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* so pointer to socket
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*
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* Returns:
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* 0 detach successful
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* errno detach failed - reason indicated
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*
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*/
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int
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atm_sock_detach(so)
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struct socket *so;
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{
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Atm_pcb *atp = sotoatmpcb(so);
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/*
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* Make sure we're still attached
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*/
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if (atp == NULL)
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return (ENOTCONN);
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/*
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* Terminate any (possibly pending) connection
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*/
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if (atp->atp_conn) {
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(void) atm_sock_disconnect(so);
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}
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/*
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* Break links and free control blocks
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*/
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so->so_pcb = NULL;
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sofree(so);
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atm_free((caddr_t)atp);
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return (0);
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}
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/*
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* Bind local address to socket
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*
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* Called at splnet.
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*
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* Arguments:
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* so pointer to socket
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* addr pointer to protocol address
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*
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* Returns:
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* 0 request processed
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* errno error processing request - reason indicated
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*
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*/
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int
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atm_sock_bind(so, addr)
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struct socket *so;
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struct sockaddr *addr;
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{
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Atm_pcb *atp = sotoatmpcb(so);
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Atm_attributes attr;
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struct sockaddr_atm *satm;
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struct t_atm_sap_addr *sapadr;
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struct t_atm_sap_layer2 *sapl2;
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struct t_atm_sap_layer3 *sapl3;
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struct t_atm_sap_appl *sapapl;
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/*
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* Make sure we're still attached
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*/
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if (atp == NULL)
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return (ENOTCONN);
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/*
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* Can't change local address once we've started connection process
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*/
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if (atp->atp_conn != NULL)
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return (EADDRNOTAVAIL);
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/*
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* Validate requested local address
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*/
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satm = (struct sockaddr_atm *)addr;
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if (satm->satm_family != AF_ATM)
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return (EAFNOSUPPORT);
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sapadr = &satm->satm_addr.t_atm_sap_addr;
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if (sapadr->SVE_tag_addr == T_ATM_PRESENT) {
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if (sapadr->address_format == T_ATM_ENDSYS_ADDR) {
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if (sapadr->SVE_tag_selector != T_ATM_PRESENT)
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return (EINVAL);
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} else if (sapadr->address_format == T_ATM_E164_ADDR) {
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if (sapadr->SVE_tag_selector != T_ATM_ABSENT)
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return (EINVAL);
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} else
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return (EINVAL);
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} else if ((sapadr->SVE_tag_addr != T_ATM_ABSENT) &&
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(sapadr->SVE_tag_addr != T_ATM_ANY))
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return (EINVAL);
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if (sapadr->address_length > ATM_ADDR_LEN)
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return (EINVAL);
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sapl2 = &satm->satm_addr.t_atm_sap_layer2;
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if (sapl2->SVE_tag == T_ATM_PRESENT) {
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if ((sapl2->ID_type != T_ATM_SIMPLE_ID) &&
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(sapl2->ID_type != T_ATM_USER_ID))
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return (EINVAL);
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} else if ((sapl2->SVE_tag != T_ATM_ABSENT) &&
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(sapl2->SVE_tag != T_ATM_ANY))
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return (EINVAL);
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sapl3 = &satm->satm_addr.t_atm_sap_layer3;
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if (sapl3->SVE_tag == T_ATM_PRESENT) {
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if ((sapl3->ID_type != T_ATM_SIMPLE_ID) &&
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(sapl3->ID_type != T_ATM_IPI_ID) &&
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(sapl3->ID_type != T_ATM_SNAP_ID) &&
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(sapl3->ID_type != T_ATM_USER_ID))
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return (EINVAL);
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} else if ((sapl3->SVE_tag != T_ATM_ABSENT) &&
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(sapl3->SVE_tag != T_ATM_ANY))
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return (EINVAL);
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sapapl = &satm->satm_addr.t_atm_sap_appl;
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if (sapapl->SVE_tag == T_ATM_PRESENT) {
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if ((sapapl->ID_type != T_ATM_ISO_APP_ID) &&
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(sapapl->ID_type != T_ATM_USER_APP_ID) &&
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(sapapl->ID_type != T_ATM_VENDOR_APP_ID))
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return (EINVAL);
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} else if ((sapapl->SVE_tag != T_ATM_ABSENT) &&
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(sapapl->SVE_tag != T_ATM_ANY))
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return (EINVAL);
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/*
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* Create temporary attributes list so that we can check out the
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* new bind parameters before we modify the socket's values;
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*/
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attr = atp->atp_attr;
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attr.called.tag = sapadr->SVE_tag_addr;
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KM_COPY(&sapadr->address_format, &attr.called.addr, sizeof(Atm_addr));
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attr.blli.tag_l2 = sapl2->SVE_tag;
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if (sapl2->SVE_tag == T_ATM_PRESENT) {
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attr.blli.v.layer_2_protocol.ID_type = sapl2->ID_type;
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KM_COPY(&sapl2->ID, &attr.blli.v.layer_2_protocol.ID,
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sizeof(attr.blli.v.layer_2_protocol.ID));
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}
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attr.blli.tag_l3 = sapl3->SVE_tag;
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if (sapl3->SVE_tag == T_ATM_PRESENT) {
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attr.blli.v.layer_3_protocol.ID_type = sapl3->ID_type;
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KM_COPY(&sapl3->ID, &attr.blli.v.layer_3_protocol.ID,
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sizeof(attr.blli.v.layer_3_protocol.ID));
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}
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attr.bhli.tag = sapapl->SVE_tag;
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if (sapapl->SVE_tag == T_ATM_PRESENT) {
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attr.bhli.v.ID_type = sapapl->ID_type;
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KM_COPY(&sapapl->ID, &attr.bhli.v.ID,
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sizeof(attr.bhli.v.ID));
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}
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/*
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* Make sure we have unique listening attributes
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*/
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if (atm_cm_match(&attr, NULL) != NULL)
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return (EADDRINUSE);
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/*
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* Looks good, save new attributes
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*/
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atp->atp_attr = attr;
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return (0);
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}
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/*
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* Listen for incoming connections
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*
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* Called at splnet.
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*
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* Arguments:
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* so pointer to socket
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* epp pointer to endpoint definition structure
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*
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* Returns:
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* 0 request processed
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* errno error processing request - reason indicated
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*
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*/
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int
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atm_sock_listen(so, epp)
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struct socket *so;
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Atm_endpoint *epp;
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{
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Atm_pcb *atp = sotoatmpcb(so);
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/*
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* Make sure we're still attached
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*/
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if (atp == NULL)
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return (ENOTCONN);
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/*
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* Start listening for incoming calls
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*/
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return (atm_cm_listen(epp, atp, &atp->atp_attr, &atp->atp_conn));
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}
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/*
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* Connect socket to peer
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*
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* Called at splnet.
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*
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* Arguments:
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* so pointer to socket
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* addr pointer to protocol address
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* epp pointer to endpoint definition structure
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*
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* Returns:
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* 0 request processed
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* errno error processing request - reason indicated
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*
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*/
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int
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atm_sock_connect(so, addr, epp)
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struct socket *so;
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struct sockaddr *addr;
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Atm_endpoint *epp;
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{
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Atm_pcb *atp = sotoatmpcb(so);
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struct sockaddr_atm *satm;
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struct t_atm_sap_addr *sapadr;
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struct t_atm_sap_layer2 *sapl2;
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struct t_atm_sap_layer3 *sapl3;
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struct t_atm_sap_appl *sapapl;
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int err;
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/*
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* Make sure we're still attached
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*/
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if (atp == NULL)
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return (ENOTCONN);
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/*
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* Validate requested peer address
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*/
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satm = (struct sockaddr_atm *)addr;
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if (satm->satm_family != AF_ATM)
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return (EAFNOSUPPORT);
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sapadr = &satm->satm_addr.t_atm_sap_addr;
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if (sapadr->SVE_tag_addr != T_ATM_PRESENT)
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return (EINVAL);
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if (sapadr->address_format == T_ATM_ENDSYS_ADDR) {
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if (sapadr->SVE_tag_selector != T_ATM_PRESENT)
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return (EINVAL);
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} else if (sapadr->address_format == T_ATM_E164_ADDR) {
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if (sapadr->SVE_tag_selector != T_ATM_ABSENT)
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return (EINVAL);
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} else if (sapadr->address_format == T_ATM_PVC_ADDR) {
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if (sapadr->SVE_tag_selector != T_ATM_ABSENT)
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return (EINVAL);
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} else
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return (EINVAL);
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if (sapadr->address_length > ATM_ADDR_LEN)
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return (EINVAL);
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sapl2 = &satm->satm_addr.t_atm_sap_layer2;
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if (sapl2->SVE_tag == T_ATM_PRESENT) {
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if ((sapl2->ID_type != T_ATM_SIMPLE_ID) &&
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(sapl2->ID_type != T_ATM_USER_ID))
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return (EINVAL);
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} else if (sapl2->SVE_tag != T_ATM_ABSENT)
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return (EINVAL);
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sapl3 = &satm->satm_addr.t_atm_sap_layer3;
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if (sapl3->SVE_tag == T_ATM_PRESENT) {
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if ((sapl3->ID_type != T_ATM_SIMPLE_ID) &&
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(sapl3->ID_type != T_ATM_IPI_ID) &&
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(sapl3->ID_type != T_ATM_SNAP_ID) &&
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(sapl3->ID_type != T_ATM_USER_ID))
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return (EINVAL);
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} else if (sapl3->SVE_tag != T_ATM_ABSENT)
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return (EINVAL);
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sapapl = &satm->satm_addr.t_atm_sap_appl;
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if (sapapl->SVE_tag == T_ATM_PRESENT) {
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if ((sapapl->ID_type != T_ATM_ISO_APP_ID) &&
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(sapapl->ID_type != T_ATM_USER_APP_ID) &&
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(sapapl->ID_type != T_ATM_VENDOR_APP_ID))
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return (EINVAL);
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} else if (sapapl->SVE_tag != T_ATM_ABSENT)
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return (EINVAL);
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/*
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* Select an outgoing network interface
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*/
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if (atp->atp_attr.nif == NULL) {
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struct atm_pif *pip;
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for (pip = atm_interface_head; pip != NULL;
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pip = pip->pif_next) {
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if (pip->pif_nif != NULL) {
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atp->atp_attr.nif = pip->pif_nif;
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break;
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}
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}
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if (atp->atp_attr.nif == NULL)
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return (ENXIO);
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}
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/*
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* Set supplied connection attributes
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*/
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atp->atp_attr.called.tag = T_ATM_PRESENT;
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KM_COPY(&sapadr->address_format, &atp->atp_attr.called.addr,
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sizeof(Atm_addr));
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atp->atp_attr.blli.tag_l2 = sapl2->SVE_tag;
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if (sapl2->SVE_tag == T_ATM_PRESENT) {
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atp->atp_attr.blli.v.layer_2_protocol.ID_type = sapl2->ID_type;
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KM_COPY(&sapl2->ID, &atp->atp_attr.blli.v.layer_2_protocol.ID,
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sizeof(atp->atp_attr.blli.v.layer_2_protocol.ID));
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}
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atp->atp_attr.blli.tag_l3 = sapl3->SVE_tag;
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if (sapl3->SVE_tag == T_ATM_PRESENT) {
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atp->atp_attr.blli.v.layer_3_protocol.ID_type = sapl3->ID_type;
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KM_COPY(&sapl3->ID, &atp->atp_attr.blli.v.layer_3_protocol.ID,
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sizeof(atp->atp_attr.blli.v.layer_3_protocol.ID));
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}
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atp->atp_attr.bhli.tag = sapapl->SVE_tag;
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if (sapapl->SVE_tag == T_ATM_PRESENT) {
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atp->atp_attr.bhli.v.ID_type = sapapl->ID_type;
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KM_COPY(&sapapl->ID, &atp->atp_attr.bhli.v.ID,
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sizeof(atp->atp_attr.bhli.v.ID));
|
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}
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|
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/*
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* We're finally ready to initiate the ATM connection
|
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*/
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soisconnecting(so);
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atm_sock_stat.as_connreq[atp->atp_type]++;
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err = atm_cm_connect(epp, atp, &atp->atp_attr, &atp->atp_conn);
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if (err == 0) {
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/*
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* Connection is setup
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*/
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atm_sock_stat.as_conncomp[atp->atp_type]++;
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soisconnected(so);
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} else if (err == EINPROGRESS) {
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/*
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* We've got to wait for a connected event
|
|
*/
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err = 0;
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} else {
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/*
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* Call failed...
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*/
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atm_sock_stat.as_connfail[atp->atp_type]++;
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soisdisconnected(so);
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}
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return (err);
|
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}
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|
|
|
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/*
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|
* Disconnect connected socket
|
|
*
|
|
* Called at splnet.
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
int
|
|
atm_sock_disconnect(so)
|
|
struct socket *so;
|
|
{
|
|
Atm_pcb *atp = sotoatmpcb(so);
|
|
struct t_atm_cause *cause;
|
|
int err;
|
|
|
|
/*
|
|
* Make sure we're still attached
|
|
*/
|
|
if (atp == NULL)
|
|
return (ENOTCONN);
|
|
|
|
/*
|
|
* Release the ATM connection
|
|
*/
|
|
if (atp->atp_conn) {
|
|
if (atp->atp_attr.cause.tag == T_ATM_PRESENT)
|
|
cause = &atp->atp_attr.cause.v;
|
|
else
|
|
cause = &atm_sock_cause;
|
|
err = atm_cm_release(atp->atp_conn, cause);
|
|
if (err)
|
|
log(LOG_ERR, "atm_sock_disconnect: release fail (%d)\n",
|
|
err);
|
|
atm_sock_stat.as_connrel[atp->atp_type]++;
|
|
atp->atp_conn = NULL;
|
|
}
|
|
|
|
soisdisconnected(so);
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
/*
|
|
* Retrieve local socket address
|
|
*
|
|
* Called at splnet.
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* addr pointer to pointer to contain protocol address
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
int
|
|
atm_sock_sockaddr(so, addr)
|
|
struct socket *so;
|
|
struct sockaddr **addr;
|
|
{
|
|
struct sockaddr_atm *satm;
|
|
struct t_atm_sap_addr *saddr;
|
|
Atm_pcb *atp = sotoatmpcb(so);
|
|
|
|
/*
|
|
* Return local interface address, if known
|
|
*/
|
|
satm = KM_ALLOC(sizeof *satm, M_SONAME, M_WAITOK);
|
|
if (satm == NULL)
|
|
return (ENOMEM);
|
|
|
|
KM_ZERO(satm, sizeof(*satm));
|
|
satm->satm_family = AF_ATM;
|
|
#if (defined(BSD) && (BSD >= 199103))
|
|
satm->satm_len = sizeof(*satm);
|
|
#endif
|
|
|
|
saddr = &satm->satm_addr.t_atm_sap_addr;
|
|
if (atp->atp_attr.nif && atp->atp_attr.nif->nif_pif->pif_siginst) {
|
|
saddr->SVE_tag_addr = T_ATM_PRESENT;
|
|
ATM_ADDR_SEL_COPY(
|
|
&atp->atp_attr.nif->nif_pif->pif_siginst->si_addr,
|
|
atp->atp_attr.nif->nif_sel, saddr);
|
|
if (saddr->address_format == T_ATM_ENDSYS_ADDR)
|
|
saddr->SVE_tag_selector = T_ATM_PRESENT;
|
|
else
|
|
saddr->SVE_tag_selector = T_ATM_ABSENT;
|
|
} else {
|
|
saddr->SVE_tag_addr = T_ATM_ABSENT;
|
|
saddr->SVE_tag_selector = T_ATM_ABSENT;
|
|
saddr->address_format = T_ATM_ABSENT;
|
|
}
|
|
satm->satm_addr.t_atm_sap_layer2.SVE_tag = T_ATM_ABSENT;
|
|
satm->satm_addr.t_atm_sap_layer3.SVE_tag = T_ATM_ABSENT;
|
|
satm->satm_addr.t_atm_sap_appl.SVE_tag = T_ATM_ABSENT;
|
|
|
|
*addr = (struct sockaddr *)satm;
|
|
return (0);
|
|
}
|
|
|
|
|
|
/*
|
|
* Retrieve peer socket address
|
|
*
|
|
* Called at splnet.
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* addr pointer to pointer to contain protocol address
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
int
|
|
atm_sock_peeraddr(so, addr)
|
|
struct socket *so;
|
|
struct sockaddr **addr;
|
|
{
|
|
struct sockaddr_atm *satm;
|
|
struct t_atm_sap_addr *saddr;
|
|
Atm_pcb *atp = sotoatmpcb(so);
|
|
Atm_connvc *cvp;
|
|
|
|
/*
|
|
* Return remote address, if known
|
|
*/
|
|
satm = KM_ALLOC(sizeof *satm, M_SONAME, M_WAITOK);
|
|
if (satm == NULL)
|
|
return (ENOMEM);
|
|
|
|
KM_ZERO(satm, sizeof(*satm));
|
|
satm->satm_family = AF_ATM;
|
|
#if (defined(BSD) && (BSD >= 199103))
|
|
satm->satm_len = sizeof(*satm);
|
|
#endif
|
|
|
|
saddr = &satm->satm_addr.t_atm_sap_addr;
|
|
if (so->so_state & SS_ISCONNECTED) {
|
|
cvp = atp->atp_conn->co_connvc;
|
|
saddr->SVE_tag_addr = T_ATM_PRESENT;
|
|
if (cvp->cvc_flags & CVCF_CALLER) {
|
|
ATM_ADDR_COPY(&cvp->cvc_attr.called.addr, saddr);
|
|
} else {
|
|
if (cvp->cvc_attr.calling.tag == T_ATM_PRESENT) {
|
|
ATM_ADDR_COPY(&cvp->cvc_attr.calling.addr,
|
|
saddr);
|
|
} else {
|
|
saddr->SVE_tag_addr = T_ATM_ABSENT;
|
|
saddr->address_format = T_ATM_ABSENT;
|
|
}
|
|
}
|
|
if (saddr->address_format == T_ATM_ENDSYS_ADDR)
|
|
saddr->SVE_tag_selector = T_ATM_PRESENT;
|
|
else
|
|
saddr->SVE_tag_selector = T_ATM_ABSENT;
|
|
} else {
|
|
saddr->SVE_tag_addr = T_ATM_ABSENT;
|
|
saddr->SVE_tag_selector = T_ATM_ABSENT;
|
|
saddr->address_format = T_ATM_ABSENT;
|
|
}
|
|
satm->satm_addr.t_atm_sap_layer2.SVE_tag = T_ATM_ABSENT;
|
|
satm->satm_addr.t_atm_sap_layer3.SVE_tag = T_ATM_ABSENT;
|
|
satm->satm_addr.t_atm_sap_appl.SVE_tag = T_ATM_ABSENT;
|
|
|
|
*addr = (struct sockaddr *)satm;
|
|
return (0);
|
|
}
|
|
|
|
|
|
/*
|
|
* Common setsockopt processing
|
|
*
|
|
* Called at splnet.
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* sopt pointer to socket option info
|
|
* atp pointer to ATM PCB
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
int
|
|
atm_sock_setopt(so, sopt, atp)
|
|
struct socket *so;
|
|
struct sockopt *sopt;
|
|
Atm_pcb *atp;
|
|
{
|
|
int err = 0;
|
|
union {
|
|
struct t_atm_aal5 aal5;
|
|
struct t_atm_traffic trf;
|
|
struct t_atm_bearer brr;
|
|
struct t_atm_bhli bhl;
|
|
struct t_atm_blli bll;
|
|
Atm_addr addr;
|
|
struct t_atm_cause cau;
|
|
struct t_atm_qos qos;
|
|
struct t_atm_transit trn;
|
|
struct t_atm_net_intf nif;
|
|
struct t_atm_llc llc;
|
|
struct t_atm_app_name appn;
|
|
} p;
|
|
|
|
#define MAXVAL(bits) ((1 << bits) - 1)
|
|
#define MAXMASK(bits) (~MAXVAL(bits))
|
|
|
|
switch (sopt->sopt_name) {
|
|
|
|
case T_ATM_AAL5:
|
|
err = sooptcopyin(sopt, &p.aal5, sizeof p.aal5, sizeof p.aal5);
|
|
if (err)
|
|
break;
|
|
if ((p.aal5.forward_max_SDU_size != T_ATM_ABSENT) &&
|
|
(p.aal5.forward_max_SDU_size & MAXMASK(16)))
|
|
return (EINVAL);
|
|
if ((p.aal5.backward_max_SDU_size != T_ATM_ABSENT) &&
|
|
(p.aal5.backward_max_SDU_size & MAXMASK(16)))
|
|
return (EINVAL);
|
|
if ((p.aal5.SSCS_type != T_ATM_ABSENT) &&
|
|
(p.aal5.SSCS_type != T_ATM_NULL) &&
|
|
(p.aal5.SSCS_type != T_ATM_SSCS_SSCOP_REL) &&
|
|
(p.aal5.SSCS_type != T_ATM_SSCS_SSCOP_UNREL) &&
|
|
(p.aal5.SSCS_type != T_ATM_SSCS_FR))
|
|
return (EINVAL);
|
|
|
|
if ((p.aal5.forward_max_SDU_size == T_ATM_ABSENT) &&
|
|
(p.aal5.backward_max_SDU_size == T_ATM_ABSENT) &&
|
|
(p.aal5.SSCS_type == T_ATM_ABSENT))
|
|
atp->atp_attr.aal.tag = T_ATM_ABSENT;
|
|
else {
|
|
atp->atp_attr.aal.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.aal.type = ATM_AAL5;
|
|
atp->atp_attr.aal.v.aal5 = p.aal5;
|
|
}
|
|
break;
|
|
|
|
case T_ATM_TRAFFIC:
|
|
err = sooptcopyin(sopt, &p.trf, sizeof p.trf, sizeof p.trf);
|
|
if (err)
|
|
break;
|
|
if ((p.trf.forward.PCR_high_priority != T_ATM_ABSENT) &&
|
|
(p.trf.forward.PCR_high_priority & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if (p.trf.forward.PCR_all_traffic & MAXMASK(24))
|
|
return (EINVAL);
|
|
if ((p.trf.forward.SCR_high_priority != T_ATM_ABSENT) &&
|
|
(p.trf.forward.SCR_high_priority & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if ((p.trf.forward.SCR_all_traffic != T_ATM_ABSENT) &&
|
|
(p.trf.forward.SCR_all_traffic & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if ((p.trf.forward.MBS_high_priority != T_ATM_ABSENT) &&
|
|
(p.trf.forward.MBS_high_priority & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if ((p.trf.forward.MBS_all_traffic != T_ATM_ABSENT) &&
|
|
(p.trf.forward.MBS_all_traffic & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if ((p.trf.forward.tagging != T_YES) &&
|
|
(p.trf.forward.tagging != T_NO))
|
|
return (EINVAL);
|
|
|
|
if ((p.trf.backward.PCR_high_priority != T_ATM_ABSENT) &&
|
|
(p.trf.backward.PCR_high_priority & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if (p.trf.backward.PCR_all_traffic & MAXMASK(24))
|
|
return (EINVAL);
|
|
if ((p.trf.backward.SCR_high_priority != T_ATM_ABSENT) &&
|
|
(p.trf.backward.SCR_high_priority & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if ((p.trf.backward.SCR_all_traffic != T_ATM_ABSENT) &&
|
|
(p.trf.backward.SCR_all_traffic & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if ((p.trf.backward.MBS_high_priority != T_ATM_ABSENT) &&
|
|
(p.trf.backward.MBS_high_priority & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if ((p.trf.backward.MBS_all_traffic != T_ATM_ABSENT) &&
|
|
(p.trf.backward.MBS_all_traffic & MAXMASK(24)))
|
|
return (EINVAL);
|
|
if ((p.trf.backward.tagging != T_YES) &&
|
|
(p.trf.backward.tagging != T_NO))
|
|
return (EINVAL);
|
|
if ((p.trf.best_effort != T_YES) &&
|
|
(p.trf.best_effort != T_NO))
|
|
return (EINVAL);
|
|
|
|
atp->atp_attr.traffic.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.traffic.v = p.trf;
|
|
break;
|
|
|
|
case T_ATM_BEARER_CAP:
|
|
err = sooptcopyin(sopt, &p.brr, sizeof p.brr, sizeof p.brr);
|
|
if (err)
|
|
break;
|
|
if ((p.brr.bearer_class != T_ATM_CLASS_A) &&
|
|
(p.brr.bearer_class != T_ATM_CLASS_C) &&
|
|
(p.brr.bearer_class != T_ATM_CLASS_X))
|
|
return (EINVAL);
|
|
if ((p.brr.traffic_type != T_ATM_NULL) &&
|
|
(p.brr.traffic_type != T_ATM_CBR) &&
|
|
(p.brr.traffic_type != T_ATM_VBR))
|
|
return (EINVAL);
|
|
if ((p.brr.timing_requirements != T_ATM_NULL) &&
|
|
(p.brr.timing_requirements != T_ATM_END_TO_END) &&
|
|
(p.brr.timing_requirements != T_ATM_NO_END_TO_END))
|
|
return (EINVAL);
|
|
if ((p.brr.clipping_susceptibility != T_NO) &&
|
|
(p.brr.clipping_susceptibility != T_YES))
|
|
return (EINVAL);
|
|
if ((p.brr.connection_configuration != T_ATM_1_TO_1) &&
|
|
(p.brr.connection_configuration != T_ATM_1_TO_MANY))
|
|
return (EINVAL);
|
|
|
|
atp->atp_attr.bearer.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.bearer.v = p.brr;
|
|
break;
|
|
|
|
case T_ATM_BHLI:
|
|
err = sooptcopyin(sopt, &p.bhl, sizeof p.bhl, sizeof p.bhl);
|
|
if (err)
|
|
break;
|
|
if ((p.bhl.ID_type != T_ATM_ABSENT) &&
|
|
(p.bhl.ID_type != T_ATM_ISO_APP_ID) &&
|
|
(p.bhl.ID_type != T_ATM_USER_APP_ID) &&
|
|
(p.bhl.ID_type != T_ATM_VENDOR_APP_ID))
|
|
return (EINVAL);
|
|
|
|
if (p.bhl.ID_type == T_ATM_ABSENT)
|
|
atp->atp_attr.bhli.tag = T_ATM_ABSENT;
|
|
else {
|
|
atp->atp_attr.bhli.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.bhli.v = p.bhl;
|
|
}
|
|
break;
|
|
|
|
case T_ATM_BLLI:
|
|
err = sooptcopyin(sopt, &p.bll, sizeof p.bll, sizeof p.bll);
|
|
if (err)
|
|
break;
|
|
if ((p.bll.layer_2_protocol.ID_type != T_ATM_ABSENT) &&
|
|
(p.bll.layer_2_protocol.ID_type != T_ATM_SIMPLE_ID) &&
|
|
(p.bll.layer_2_protocol.ID_type != T_ATM_USER_ID))
|
|
return (EINVAL);
|
|
if ((p.bll.layer_2_protocol.mode != T_ATM_ABSENT) &&
|
|
(p.bll.layer_2_protocol.mode != T_ATM_BLLI_NORMAL_MODE) &&
|
|
(p.bll.layer_2_protocol.mode != T_ATM_BLLI_EXTENDED_MODE))
|
|
return (EINVAL);
|
|
if ((p.bll.layer_2_protocol.window_size != T_ATM_ABSENT) &&
|
|
(p.bll.layer_2_protocol.window_size < 1))
|
|
return (EINVAL);
|
|
|
|
if ((p.bll.layer_3_protocol.ID_type != T_ATM_ABSENT) &&
|
|
(p.bll.layer_3_protocol.ID_type != T_ATM_SIMPLE_ID) &&
|
|
(p.bll.layer_3_protocol.ID_type != T_ATM_IPI_ID) &&
|
|
(p.bll.layer_3_protocol.ID_type != T_ATM_SNAP_ID) &&
|
|
(p.bll.layer_3_protocol.ID_type != T_ATM_USER_ID))
|
|
return (EINVAL);
|
|
if ((p.bll.layer_3_protocol.mode != T_ATM_ABSENT) &&
|
|
(p.bll.layer_3_protocol.mode != T_ATM_BLLI_NORMAL_MODE) &&
|
|
(p.bll.layer_3_protocol.mode != T_ATM_BLLI_EXTENDED_MODE))
|
|
return (EINVAL);
|
|
if ((p.bll.layer_3_protocol.packet_size != T_ATM_ABSENT) &&
|
|
(p.bll.layer_3_protocol.packet_size & MAXMASK(4)))
|
|
return (EINVAL);
|
|
if ((p.bll.layer_3_protocol.window_size != T_ATM_ABSENT) &&
|
|
(p.bll.layer_3_protocol.window_size < 1))
|
|
return (EINVAL);
|
|
|
|
if (p.bll.layer_2_protocol.ID_type == T_ATM_ABSENT)
|
|
atp->atp_attr.blli.tag_l2 = T_ATM_ABSENT;
|
|
else
|
|
atp->atp_attr.blli.tag_l2 = T_ATM_PRESENT;
|
|
|
|
if (p.bll.layer_3_protocol.ID_type == T_ATM_ABSENT)
|
|
atp->atp_attr.blli.tag_l3 = T_ATM_ABSENT;
|
|
else
|
|
atp->atp_attr.blli.tag_l3 = T_ATM_PRESENT;
|
|
|
|
if ((atp->atp_attr.blli.tag_l2 == T_ATM_PRESENT) ||
|
|
(atp->atp_attr.blli.tag_l3 == T_ATM_PRESENT))
|
|
atp->atp_attr.blli.v = p.bll;
|
|
break;
|
|
|
|
case T_ATM_DEST_ADDR:
|
|
err = sooptcopyin(sopt, &p.addr, sizeof p.addr, sizeof p.addr);
|
|
if (err)
|
|
break;
|
|
if ((p.addr.address_format != T_ATM_ENDSYS_ADDR) &&
|
|
(p.addr.address_format != T_ATM_E164_ADDR))
|
|
return (EINVAL);
|
|
if (p.addr.address_length > ATM_ADDR_LEN)
|
|
return (EINVAL);
|
|
|
|
atp->atp_attr.called.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.called.addr = p.addr;
|
|
break;
|
|
|
|
case T_ATM_DEST_SUB:
|
|
err = sooptcopyin(sopt, &p.addr, sizeof p.addr, sizeof p.addr);
|
|
if (err)
|
|
break;
|
|
if ((p.addr.address_format != T_ATM_ABSENT) &&
|
|
(p.addr.address_format != T_ATM_NSAP_ADDR))
|
|
return (EINVAL);
|
|
if (p.addr.address_length > ATM_ADDR_LEN)
|
|
return (EINVAL);
|
|
|
|
/* T_ATM_DEST_ADDR controls tag */
|
|
atp->atp_attr.called.subaddr = p.addr;
|
|
break;
|
|
|
|
case T_ATM_ORIG_ADDR:
|
|
return (EACCES);
|
|
|
|
case T_ATM_ORIG_SUB:
|
|
return (EACCES);
|
|
|
|
case T_ATM_CALLER_ID:
|
|
return (EACCES);
|
|
|
|
case T_ATM_CAUSE:
|
|
err = sooptcopyin(sopt, &p.cau, sizeof p.cau, sizeof p.cau);
|
|
if (err)
|
|
break;
|
|
if ((p.cau.coding_standard != T_ATM_ABSENT) &&
|
|
(p.cau.coding_standard != T_ATM_ITU_CODING) &&
|
|
(p.cau.coding_standard != T_ATM_NETWORK_CODING))
|
|
return (EINVAL);
|
|
if ((p.cau.location != T_ATM_LOC_USER) &&
|
|
(p.cau.location != T_ATM_LOC_LOCAL_PRIVATE_NET) &&
|
|
(p.cau.location != T_ATM_LOC_LOCAL_PUBLIC_NET) &&
|
|
(p.cau.location != T_ATM_LOC_TRANSIT_NET) &&
|
|
(p.cau.location != T_ATM_LOC_REMOTE_PUBLIC_NET) &&
|
|
(p.cau.location != T_ATM_LOC_REMOTE_PRIVATE_NET) &&
|
|
(p.cau.location != T_ATM_LOC_INTERNATIONAL_NET) &&
|
|
(p.cau.location != T_ATM_LOC_BEYOND_INTERWORKING))
|
|
return (EINVAL);
|
|
|
|
if (p.cau.coding_standard == T_ATM_ABSENT)
|
|
atp->atp_attr.cause.tag = T_ATM_ABSENT;
|
|
else {
|
|
atp->atp_attr.cause.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.cause.v = p.cau;
|
|
}
|
|
break;
|
|
|
|
case T_ATM_QOS:
|
|
err = sooptcopyin(sopt, &p.qos, sizeof p.qos, sizeof p.qos);
|
|
if (err)
|
|
break;
|
|
if ((p.qos.coding_standard != T_ATM_ABSENT) &&
|
|
(p.qos.coding_standard != T_ATM_ITU_CODING) &&
|
|
(p.qos.coding_standard != T_ATM_NETWORK_CODING))
|
|
return (EINVAL);
|
|
if ((p.qos.forward.qos_class != T_ATM_QOS_CLASS_0) &&
|
|
(p.qos.forward.qos_class != T_ATM_QOS_CLASS_1) &&
|
|
(p.qos.forward.qos_class != T_ATM_QOS_CLASS_2) &&
|
|
(p.qos.forward.qos_class != T_ATM_QOS_CLASS_3) &&
|
|
(p.qos.forward.qos_class != T_ATM_QOS_CLASS_4))
|
|
return (EINVAL);
|
|
if ((p.qos.backward.qos_class != T_ATM_QOS_CLASS_0) &&
|
|
(p.qos.backward.qos_class != T_ATM_QOS_CLASS_1) &&
|
|
(p.qos.backward.qos_class != T_ATM_QOS_CLASS_2) &&
|
|
(p.qos.backward.qos_class != T_ATM_QOS_CLASS_3) &&
|
|
(p.qos.backward.qos_class != T_ATM_QOS_CLASS_4))
|
|
return (EINVAL);
|
|
|
|
if (p.qos.coding_standard == T_ATM_ABSENT)
|
|
atp->atp_attr.qos.tag = T_ATM_ABSENT;
|
|
else {
|
|
atp->atp_attr.qos.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.qos.v = p.qos;
|
|
}
|
|
break;
|
|
|
|
case T_ATM_TRANSIT:
|
|
err = sooptcopyin(sopt, &p.trn, sizeof p.trn, sizeof p.trn);
|
|
if (err)
|
|
break;
|
|
if (p.trn.length > T_ATM_MAX_NET_ID)
|
|
return (EINVAL);
|
|
|
|
if (p.trn.length == 0)
|
|
atp->atp_attr.transit.tag = T_ATM_ABSENT;
|
|
else {
|
|
atp->atp_attr.transit.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.transit.v = p.trn;
|
|
}
|
|
break;
|
|
|
|
case T_ATM_ADD_LEAF:
|
|
return (EPROTONOSUPPORT); /* XXX */
|
|
|
|
case T_ATM_DROP_LEAF:
|
|
return (EPROTONOSUPPORT); /* XXX */
|
|
|
|
case T_ATM_NET_INTF:
|
|
err = sooptcopyin(sopt, &p.nif, sizeof p.nif, sizeof p.nif);
|
|
if (err)
|
|
break;
|
|
|
|
atp->atp_attr.nif = atm_nifname(p.nif.net_intf);
|
|
if (atp->atp_attr.nif == NULL)
|
|
return (ENXIO);
|
|
break;
|
|
|
|
case T_ATM_LLC:
|
|
err = sooptcopyin(sopt, &p.llc, sizeof p.llc, sizeof p.llc);
|
|
if (err)
|
|
break;
|
|
if ((p.llc.llc_len < T_ATM_LLC_MIN_LEN) ||
|
|
(p.llc.llc_len > T_ATM_LLC_MAX_LEN))
|
|
return (EINVAL);
|
|
|
|
atp->atp_attr.llc.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.llc.v = p.llc;
|
|
break;
|
|
|
|
case T_ATM_APP_NAME:
|
|
err = sooptcopyin(sopt, &p.appn, sizeof p.appn, sizeof p.appn);
|
|
if (err)
|
|
break;
|
|
|
|
strncpy(atp->atp_name, p.appn.app_name, T_ATM_APP_NAME_LEN);
|
|
break;
|
|
|
|
default:
|
|
return (ENOPROTOOPT);
|
|
}
|
|
|
|
return (err);
|
|
}
|
|
|
|
|
|
/*
|
|
* Common getsockopt processing
|
|
*
|
|
* Called at splnet.
|
|
*
|
|
* Arguments:
|
|
* so pointer to socket
|
|
* sopt pointer to socket option info
|
|
* atp pointer to ATM PCB
|
|
*
|
|
* Returns:
|
|
* 0 request processed
|
|
* errno error processing request - reason indicated
|
|
*
|
|
*/
|
|
int
|
|
atm_sock_getopt(so, sopt, atp)
|
|
struct socket *so;
|
|
struct sockopt *sopt;
|
|
Atm_pcb *atp;
|
|
{
|
|
Atm_attributes *ap;
|
|
|
|
/*
|
|
* If socket is connected, return attributes for the VCC in use,
|
|
* otherwise just return what the user has setup so far.
|
|
*/
|
|
if (so->so_state & SS_ISCONNECTED)
|
|
ap = &atp->atp_conn->co_connvc->cvc_attr;
|
|
else
|
|
ap = &atp->atp_attr;
|
|
|
|
switch (sopt->sopt_name) {
|
|
|
|
case T_ATM_AAL5:
|
|
if ((ap->aal.tag == T_ATM_PRESENT) &&
|
|
(ap->aal.type == ATM_AAL5)) {
|
|
return (sooptcopyout(sopt, &ap->aal.v.aal5,
|
|
sizeof ap->aal.v.aal5));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_TRAFFIC:
|
|
if (ap->traffic.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->traffic.v,
|
|
sizeof ap->traffic.v));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_BEARER_CAP:
|
|
if (ap->bearer.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->bearer.v,
|
|
sizeof ap->bearer.v));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_BHLI:
|
|
if (ap->bhli.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->bhli.v,
|
|
sizeof ap->bhli.v));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_BLLI:
|
|
if ((ap->blli.tag_l2 == T_ATM_PRESENT) ||
|
|
(ap->blli.tag_l3 == T_ATM_PRESENT)) {
|
|
return (sooptcopyout(sopt, &ap->blli.v,
|
|
sizeof ap->blli.v));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_DEST_ADDR:
|
|
if (ap->called.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->called.addr,
|
|
sizeof ap->called.addr));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_DEST_SUB:
|
|
if (ap->called.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->called.subaddr,
|
|
sizeof ap->called.subaddr));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_ORIG_ADDR:
|
|
if (ap->calling.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->calling.addr,
|
|
sizeof ap->calling.addr));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_ORIG_SUB:
|
|
if (ap->calling.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->calling.subaddr,
|
|
sizeof ap->calling.subaddr));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_CALLER_ID:
|
|
if (ap->calling.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->calling.cid,
|
|
sizeof ap->calling.cid));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_CAUSE:
|
|
if (ap->cause.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->cause.v,
|
|
sizeof ap->cause.v));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_QOS:
|
|
if (ap->qos.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->qos.v,
|
|
sizeof ap->qos.v));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_TRANSIT:
|
|
if (ap->transit.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->transit.v,
|
|
sizeof ap->transit.v));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_LEAF_IND:
|
|
return (EPROTONOSUPPORT); /* XXX */
|
|
|
|
case T_ATM_NET_INTF:
|
|
if (ap->nif) {
|
|
struct t_atm_net_intf netif;
|
|
struct ifnet *ifp;
|
|
|
|
ifp = &ap->nif->nif_if;
|
|
(void) snprintf(netif.net_intf, sizeof(netif.net_intf),
|
|
"%s%d", ifp->if_name, ifp->if_unit);
|
|
return (sooptcopyout(sopt, &netif,
|
|
sizeof netif));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
case T_ATM_LLC:
|
|
if (ap->llc.tag == T_ATM_PRESENT) {
|
|
return (sooptcopyout(sopt, &ap->llc.v,
|
|
sizeof ap->llc.v));
|
|
} else {
|
|
return (ENOENT);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return (ENOPROTOOPT);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
/*
|
|
* Process Socket VCC Connected Notification
|
|
*
|
|
* Arguments:
|
|
* toku owner's connection token (atm_pcb protocol block)
|
|
*
|
|
* Returns:
|
|
* none
|
|
*
|
|
*/
|
|
void
|
|
atm_sock_connected(toku)
|
|
void *toku;
|
|
{
|
|
Atm_pcb *atp = (Atm_pcb *)toku;
|
|
|
|
/*
|
|
* Connection is setup
|
|
*/
|
|
atm_sock_stat.as_conncomp[atp->atp_type]++;
|
|
soisconnected(atp->atp_socket);
|
|
}
|
|
|
|
|
|
/*
|
|
* Process Socket VCC Cleared Notification
|
|
*
|
|
* Arguments:
|
|
* toku owner's connection token (atm_pcb protocol block)
|
|
* cause pointer to cause code
|
|
*
|
|
* Returns:
|
|
* none
|
|
*
|
|
*/
|
|
void
|
|
atm_sock_cleared(toku, cause)
|
|
void *toku;
|
|
struct t_atm_cause *cause;
|
|
{
|
|
Atm_pcb *atp = (Atm_pcb *)toku;
|
|
struct socket *so;
|
|
|
|
so = atp->atp_socket;
|
|
|
|
/*
|
|
* Save call clearing cause
|
|
*/
|
|
atp->atp_attr.cause.tag = T_ATM_PRESENT;
|
|
atp->atp_attr.cause.v = *cause;
|
|
|
|
/*
|
|
* Set user error code
|
|
*/
|
|
if (so->so_state & SS_ISCONNECTED) {
|
|
so->so_error = ECONNRESET;
|
|
atm_sock_stat.as_connclr[atp->atp_type]++;
|
|
} else {
|
|
so->so_error = ECONNREFUSED;
|
|
atm_sock_stat.as_connfail[atp->atp_type]++;
|
|
}
|
|
|
|
/*
|
|
* Connection is gone
|
|
*/
|
|
atp->atp_conn = NULL;
|
|
soisdisconnected(so);
|
|
|
|
/*
|
|
* Cleanup failed incoming connection setup
|
|
*/
|
|
if (so->so_state & SS_NOFDREF) {
|
|
(void) atm_sock_detach(so);
|
|
}
|
|
}
|
|
|