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bc725eafc7
rather than an error. Detaches do not "fail", they other occur or the protocol flags SS_PROTOREF to take ownership of the socket. soclose() no longer looks at so_pcb to see if it's NULL, relying entirely on the protocol to decide whether it's time to free the socket or not using SS_PROTOREF. so_pcb is now entirely owned and managed by the protocol code. Likewise, no longer test so_pcb in other socket functions, such as soreceive(), which have no business digging into protocol internals. Protocol detach routines no longer try to free the socket on detach, this is performed in the socket code if the protocol permits it. In rts_detach(), no longer test for rp != NULL in detach, and likewise in other protocols that don't permit a NULL so_pcb, reduce the incidence of testing for it during detach. netinet and netinet6 are not fully updated to this change, which will be in an upcoming commit. In their current state they may leak memory or panic. MFC after: 3 months
186 lines
6.0 KiB
C
186 lines
6.0 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 system variables
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*
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*/
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#ifndef _NETATM_ATM_VAR_H
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#define _NETATM_ATM_VAR_H
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#ifdef _KERNEL
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#include <vm/uma.h>
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typedef void (*atm_init_fn)(void);
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/*
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* Global variable declarations
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*/
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extern struct pr_usrreqs atm_aal5_usrreqs;
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/* atm_proto.c */
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extern struct domain atmdomain;
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/* atm_subr.c */
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extern struct atm_pif *atm_interface_head;
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extern struct atm_ncm *atm_netconv_head;
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extern Atm_endpoint *atm_endpoints[];
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extern struct stackq_entry *atm_stackq_head;
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extern struct stackq_entry *atm_stackq_tail;
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extern struct atm_sock_stat atm_sock_stat;
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extern int atm_init;
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extern int atm_version;
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extern int atm_debug;
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extern struct timeval atm_debugtime;
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extern int atm_dev_print;
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extern int atm_print_data;
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extern uma_zone_t atm_attributes_zone;
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extern struct pr_usrreqs atm_dgram_usrreqs;
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/*
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* Global function declarations
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*/
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/* atm_aal5.c */
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int atm_aal5_ctloutput(struct socket *, struct sockopt *);
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void atm_aal5_init(void);
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/* atm_cm.c */
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int atm_cm_connect(Atm_endpoint *, void *, Atm_attributes *,
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Atm_connection **);
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int atm_cm_listen(struct socket *, Atm_endpoint *, void *,
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Atm_attributes *, Atm_connection **, int);
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int atm_cm_addllc(Atm_endpoint *, void *, struct attr_llc *,
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Atm_connection *, Atm_connection **);
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int atm_cm_addparty(Atm_connection *, int, struct t_atm_sap *);
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int atm_cm_dropparty(Atm_connection *, int, struct t_atm_cause *);
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int atm_cm_release(Atm_connection *, struct t_atm_cause *);
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int atm_cm_abort(Atm_connvc *, struct t_atm_cause *);
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int atm_cm_incoming(struct vccb *, Atm_attributes *);
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void atm_cm_connected(Atm_connvc *);
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void atm_cm_cleared(Atm_connvc *);
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Atm_connection *atm_cm_match(Atm_attributes *, Atm_connection *);
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int atm_cm_cpcs_ctl(int, Atm_connection *, void *);
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int atm_cm_cpcs_data(Atm_connection *, KBuffer *);
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int atm_cm_saal_ctl(int, Atm_connection *, void *);
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int atm_cm_saal_data(Atm_connection *, KBuffer *);
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int atm_cm_sscop_ctl(int, Atm_connection *, void *, void *);
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int atm_cm_sscop_data(Atm_connection *, KBuffer *);
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int atm_endpoint_register(Atm_endpoint *);
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int atm_endpoint_deregister(Atm_endpoint *);
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/* atm_device.c */
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int atm_dev_inst(struct stack_defn **, Atm_connvc *);
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void atm_dev_lower(int, void *, intptr_t, intptr_t);
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void * atm_dev_alloc(u_int, u_int, u_int);
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void atm_dev_free(volatile void *);
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KBuffer * atm_dev_compress(KBuffer *);
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Cmn_vcc * atm_dev_vcc_find(Cmn_unit *, u_int, u_int, u_int);
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void atm_dev_pdu_print(const Cmn_unit *, const Cmn_vcc *,
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const KBuffer *, const char *);
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/* atm_if.c */
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int atm_physif_register(Cmn_unit *, const char *,
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struct stack_defn *);
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int atm_physif_deregister(Cmn_unit *);
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void atm_physif_freenifs(struct atm_pif *, uma_zone_t);
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int atm_netconv_register(struct atm_ncm *);
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int atm_netconv_deregister(struct atm_ncm *);
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int atm_nif_attach(struct atm_nif *);
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void atm_nif_detach(struct atm_nif *);
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int atm_nif_setaddr(struct atm_nif *, struct ifaddr *);
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int atm_ifoutput(struct ifnet *, KBuffer *,
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struct sockaddr *, struct rtentry *);
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struct atm_pif *
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atm_pifname(char *);
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struct atm_nif *
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atm_nifname(char *);
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/* atm_proto.c */
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int atm_proto_notsupp1(struct socket *);
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int atm_proto_notsupp2(struct socket *, struct sockaddr *,
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struct thread *);
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int atm_proto_notsupp3(struct socket *, struct sockaddr **);
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int atm_proto_notsupp4(struct socket *, int, KBuffer *,
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struct sockaddr *, KBuffer *, struct thread *);
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void atm_proto_notsupp5(struct socket *);
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/* atm_signal.c */
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int atm_sigmgr_register(struct sigmgr *);
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int atm_sigmgr_deregister(struct sigmgr *);
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int atm_sigmgr_attach(struct atm_pif *, u_char);
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int atm_sigmgr_detach(struct atm_pif *);
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int atm_stack_register(struct stack_defn *);
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int atm_stack_deregister(struct stack_defn *);
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int atm_create_stack(Atm_connvc *, struct stack_list *,
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void (*)(int, void *, intptr_t, intptr_t) );
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/* atm_socket.c */
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void atm_sock_init(void);
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int atm_sock_attach(struct socket *, u_long, u_long);
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void atm_sock_detach(struct socket *);
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int atm_sock_bind(struct socket *, struct sockaddr *);
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int atm_sock_listen(struct socket *, Atm_endpoint *, int);
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int atm_sock_connect(struct socket *, struct sockaddr *,
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Atm_endpoint *);
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int atm_sock_disconnect(struct socket *);
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int atm_sock_sockaddr(struct socket *, struct sockaddr **);
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int atm_sock_peeraddr(struct socket *, struct sockaddr **);
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int atm_sock_setopt(struct socket *, struct sockopt *,
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Atm_pcb *);
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int atm_sock_getopt(struct socket *, struct sockopt *,
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Atm_pcb *);
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void atm_sock_connected(void *);
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void atm_sock_cleared(void *, struct t_atm_cause *);
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/* atm_subr.c */
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void atm_initialize(void);
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void atm_timeout(struct atm_time *, int,
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void (*)(struct atm_time *) );
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int atm_untimeout(struct atm_time *);
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int atm_stack_enq(int, void (*)(int, void *, intptr_t, intptr_t),
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void *, Atm_connvc *, intptr_t, intptr_t);
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void atm_stack_drain(void);
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void atm_pdu_print(const KBuffer *, const char *);
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#ifdef SYSCTL_DECL
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SYSCTL_DECL(_net_harp);
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SYSCTL_DECL(_net_harp_atm);
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#endif
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#endif /* _KERNEL */
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#endif /* _NETATM_ATM_VAR_H */
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