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PPP, CCP, add dummy ccp_ functions in ppp.c so it builds if CCP_SUPPORT is set
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@ -472,6 +472,12 @@ int sifnpmode(ppp_pcb *pcb, int proto, enum NPmode mode);
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void netif_set_mtu(ppp_pcb *pcb, int mtu);
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int netif_get_mtu(ppp_pcb *pcb);
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#if CCP_SUPPORT
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int ccp_test(ppp_pcb *pcb, u_char *opt_ptr, int opt_len, int for_transmit);
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void ccp_flags_set(ppp_pcb *pcb, int isopen, int isup);
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int ccp_fatal_error(ppp_pcb *pcb);
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#endif /* CCP_SUPPORT */
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#if PPP_IDLETIMELIMIT
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int get_idle_time(ppp_pcb *pcb, struct ppp_idle *ip);
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#endif /* PPP_IDLETIMELIMIT */
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@ -1091,6 +1091,44 @@ int netif_get_mtu(ppp_pcb *pcb) {
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return pcb->netif->mtu;
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}
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#if CCP_SUPPORT
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/*
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* ccp_test - whether a given compression method is acceptable for use.
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*/
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int
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ccp_test(ppp_pcb *pcb, u_char *opt_ptr, int opt_len, int for_transmit)
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{
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LWIP_UNUSED_ARG(pcb);
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LWIP_UNUSED_ARG(opt_ptr);
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LWIP_UNUSED_ARG(opt_len);
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LWIP_UNUSED_ARG(for_transmit);
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return -1;
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}
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/*
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* ccp_flags_set - inform about the current state of CCP.
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*/
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void
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ccp_flags_set(ppp_pcb *pcb, int isopen, int isup)
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{
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LWIP_UNUSED_ARG(pcb);
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LWIP_UNUSED_ARG(isopen);
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LWIP_UNUSED_ARG(isup);
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}
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/*
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* ccp_fatal_error - returns 1 if decompression was disabled as a
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* result of an error detected after decompression of a packet,
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* 0 otherwise. This is necessary because of patent nonsense.
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*/
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int
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ccp_fatal_error(ppp_pcb *pcb)
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{
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LWIP_UNUSED_ARG(pcb);
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return 1;
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}
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#endif /* CCP_SUPPORT */
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#if PPP_IDLETIMELIMIT
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/********************************************************************
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*
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