diff options
Diffstat (limited to 'sys/netatm/ipatm/ipatm_if.c')
| -rw-r--r-- | sys/netatm/ipatm/ipatm_if.c | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/sys/netatm/ipatm/ipatm_if.c b/sys/netatm/ipatm/ipatm_if.c deleted file mode 100644 index 11965d0..0000000 --- a/sys/netatm/ipatm/ipatm_if.c +++ /dev/null @@ -1,343 +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. - */ - -/* - * IP Over ATM Support - * ------------------- - * - * Interface Manager - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/types.h> -#include <sys/systm.h> -#include <sys/errno.h> -#include <sys/time.h> -#include <sys/socket.h> -#include <sys/socketvar.h> -#include <sys/syslog.h> -#include <sys/malloc.h> -#include <sys/kernel.h> -#include <net/if.h> -#include <netinet/in.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_sigmgr.h> -#include <netatm/atm_stack.h> -#include <netatm/atm_pcb.h> -#include <netatm/atm_var.h> - -#include <netatm/ipatm/ipatm_var.h> -#include <netatm/ipatm/ipatm_serv.h> - -static MALLOC_DEFINE(M_IPATM_NIF, "ipatm_nif", "IP/ATM network interfaces"); - -/* - * Local functions - */ -static void ipatm_closenif(struct ip_nif *); - - -/* - * Process Network Interface status change - * - * Called whenever a network interface status change is requested. - * - * Called at splnet. - * - * Arguments: - * cmd command code - * nip pointer to atm network interface control block - * arg command specific parameter - * - * Returns: - * 0 command successful - * errno command failed - reason indicated - * - */ -int -ipatm_nifstat(cmd, nip, arg) - int cmd; - struct atm_nif *nip; - intptr_t arg; -{ - struct in_ifaddr *ia; - struct siginst *sip; - struct ip_nif *inp; - int err = 0; - - /* - * Look for corresponding IP interface - */ - for (inp = ipatm_nif_head; inp; inp = inp->inf_next) { - if (inp->inf_nif == nip) - break; - } - - /* - * Process command - */ - switch (cmd) { - - case NCM_ATTACH: - /* - * Make sure i/f isn't already attached - */ - if (inp != NULL) { - err = EEXIST; - break; - } - - /* - * Get a new interface block - */ - inp = malloc(sizeof(*inp), M_IPATM_NIF, M_WAITOK | M_ZERO); - inp->inf_nif = nip; - inp->inf_state = IPNIF_ADDR; - inp->inf_arpnotify = ipatm_arpnotify; - inp->inf_ipinput = ipatm_ipinput; - inp->inf_createsvc = ipatm_createsvc; - LINK2TAIL(inp, struct ip_nif, ipatm_nif_head, inf_next); - break; - - case NCM_DETACH: - /* - * Make sure i/f is attached - */ - if (inp == NULL) { - err = ENODEV; - break; - } - - /* - * Validate interface stuff - */ - if (Q_HEAD(inp->inf_vcq, struct ipvcc)) - panic("ipatm_nifstat: ipvcc queue not empty"); - - /* - * If we're active, close all our VCCs and tell the - * interface service about the deactivation - */ - if (inp->inf_state == IPNIF_ACTIVE) { - - ipatm_closenif(inp); - - if (inp->inf_serv) - (void) (*inp->inf_serv->is_ifdact)(inp); - } - - /* - * Clean up and free block - */ - UNLINK(inp, struct ip_nif, ipatm_nif_head, inf_next); - free(inp, M_IPATM_NIF); - break; - - case NCM_SETADDR: - /* - * We only care about IP addresses - */ - if (((struct ifaddr *)arg)->ifa_addr->sa_family != AF_INET) - break; - - /* - * Make sure i/f is there - */ - ia = (struct in_ifaddr *)arg; - if (inp == NULL) - panic("ipatm_nifstat: setaddr missing ip_nif"); - - /* - * Process new address - */ - switch (inp->inf_state) { - - case IPNIF_SIGMGR: - case IPNIF_ADDR: - inp->inf_addr = ia; - - /* - * If signalling manager is not set, wait for it - */ - sip = nip->nif_pif->pif_siginst; - if (sip == NULL) { - inp->inf_state = IPNIF_SIGMGR; - break; - } - - /* - * Otherwise, everything's set - */ - inp->inf_state = IPNIF_ACTIVE; - - /* - * Tell interface service we're around - */ - if (sip->si_ipserv) { - inp->inf_serv = sip->si_ipserv; - err = (*inp->inf_serv->is_ifact)(inp); - } - - /* - * Reset state if there's been a problem - */ - if (err) { - inp->inf_serv = NULL; - inp->inf_addr = NULL; - inp->inf_state = IPNIF_ADDR; - } - break; - - case IPNIF_ACTIVE: - /* - * We dont support an address change - */ - err = EEXIST; - break; - } - break; - - case NCM_SIGATTACH: - /* - * Make sure i/f is attached - */ - if (inp == NULL) { - err = ENODEV; - break; - } - - /* - * Are we waiting for the sigmgr attach?? - */ - if (inp->inf_state != IPNIF_SIGMGR) { - /* - * No, nothing else to do - */ - break; - } - - /* - * OK, everything's set - */ - inp->inf_state = IPNIF_ACTIVE; - - /* - * Tell interface service we're around - */ - sip = nip->nif_pif->pif_siginst; - if (sip->si_ipserv) { - inp->inf_serv = sip->si_ipserv; - err = (*inp->inf_serv->is_ifact)(inp); - } - - /* - * Just report any problems, since a NCM_SIGDETACH will - * be coming down immediately - */ - break; - - case NCM_SIGDETACH: - /* - * Make sure i/f is attached - */ - if (inp == NULL) { - err = ENODEV; - break; - } - - /* - * Are we currently active?? - */ - if (inp->inf_state != IPNIF_ACTIVE) { - /* - * No, nothing else to do - */ - break; - } - - /* - * Close all the IP VCCs for this interface - */ - ipatm_closenif(inp); - - /* - * Tell interface service that i/f has gone down - */ - if (inp->inf_serv) - (void) (*inp->inf_serv->is_ifdact)(inp); - - /* - * Just have to wait for another sigattach - */ - inp->inf_serv = NULL; - inp->inf_state = IPNIF_SIGMGR; - break; - - default: - log(LOG_ERR, "ipatm_nifstat: unknown command %d\n", cmd); - } - - return (err); -} - - -/* - * Close all VCCs on a Network Interface - * - * Called at splnet. - * - * Arguments: - * inp pointer to IP network interface - * - * Returns: - * none - * - */ -static void -ipatm_closenif(inp) - struct ip_nif *inp; -{ - struct ipvcc *ivp, *inext; - - /* - * Close each IP VCC on this interface - */ - for (ivp = Q_HEAD(inp->inf_vcq, struct ipvcc); ivp; ivp = inext) { - - inext = Q_NEXT(ivp, struct ipvcc, iv_elem); - - (void) ipatm_closevc(ivp, T_ATM_CAUSE_UNSPECIFIED_NORMAL); - } -} - |
