/*
* ccp_input - process a received CCP packet.
*/
static void
ccp_input(
int unit,
u_char *p,
int len)
{
fsm *f = &ccp_fsm[unit];
int oldstate;
/*
* Check for a terminate-request so we can print a message.
*/
oldstate = f->state;
fsm_input(f, p, len);
if (oldstate == OPENED && p[0] == TERMREQ && f->state != OPENED)
notice("Compression disabled by peer.");
/*
* If we get a terminate-ack and we're not asking for compression,
* close CCP.
*/
if (oldstate == REQSENT && p[0] == TERMACK
&& !ANY_COMPRESS(ccp_gotoptions[unit]))
ccp_close(unit, "No compression negotiated");
}
/*
* ccp_input - process a received CCP packet.
*/
void
ccp_input(PPP_IF_VAR_T *pPppIf, u_char *p, int len)
{
fsm *f = &pPppIf->ccp_fsm;
int oldstate;
/*
* Check for a terminate-request so we can print a message.
*/
oldstate = f->state;
fsm_input(f, p, len);
if (oldstate == OPENED && p[0] == TERMREQ && f->state != OPENED){
syslog(SYS_LOG_NOTICE, "Compression disabled by peer.");
diag_printf("Compression disabled by peer.\n");
#ifdef MPPE
if (pPppIf->ccp_wantoptions.mppe) {
diag_printf("MPPE disabled, closing LCP\n");
lcp_close(pPppIf);
}
#endif /* MPPE */
}
/*
* If we get a terminate-ack and we're not asking for compression,
* close CCP.
*/
if (oldstate == REQSENT && p[0] == TERMACK
&& !ANY_COMPRESS(f->pPppIf->ccp_gotoptions))
ccp_close(pPppIf);
}
/*
* ccp_open - CCP is allowed to come up.
*/
static void
ccp_open(
int unit)
{
fsm *f = &ccp_fsm[unit];
if (f->state != OPENED)
ccp_flags_set(unit, 1, 0);
/*
* Find out which compressors the kernel supports before
* deciding whether to open in silent mode.
*/
ccp_resetci(f);
if (!ANY_COMPRESS(ccp_gotoptions[unit]))
f->flags |= OPT_SILENT;
fsm_open(f);
}
/*
* ccp_open - CCP is allowed to come up.
*/
void
ccp_open(PPP_IF_VAR_T *pPppIf)
{
diag_printf("\n<ccp_open>\n");
fsm *f = &pPppIf->ccp_fsm;
if (f->state != OPENED)
ccp_flags_set(&pPppIf->pSc->sc_flags,1, 0);
/*
* Find out which compressors the kernel supports before
* deciding whether to open in silent mode.
*/
ccp_resetci(f);
if (!ANY_COMPRESS(f->pPppIf->ccp_gotoptions))
f->flags |= OPT_SILENT;
{ //Added by Eddy
int ipmode = 0;
CFG_get(CFG_WAN_IP_MODE, &ipmode);
if (ipmode == PPPOEMODE)
f->flags |= OPT_SILENT;
#ifdef CONFIG_PPTP_PPPOE
//Added by Haitao
int pptp_wanif = 0;
CFG_get(CFG_PTP_WANIF, &pptp_wanif);
if(ipmode == PPTPMODE && pptp_wanif == 2 && !strcmp(pPppIf->pppname,"ppp0"))//for pptp over pppoe use ppp
f->flags |= OPT_SILENT;
#endif
#ifdef CONFIG_L2TP_OVER_PPPOE
int l2tp_wanif = 0;
CFG_get(CFG_L2T_WANIF, &l2tp_wanif);
if((ipmode == L2TPMODE) && (l2tp_wanif == 2) && (!strcmp(pPppIf->pppname,"ppp0")))//for l2tp over pppoe use ppp
f->flags |= OPT_SILENT;
#endif
}
fsm_open(f);
}
