netif/ppp/ppp.c

167  * PPP Data Link Layer "protocol" table.
168  * One entry per supported protocol.
212 static err_t ppp_netif_output(struct netif *netif, struct pbuf *pb, u16_t protocol);
345   /* LCP not open, close link protocol */
362     /* forced link termination, this will force link protocol to disconnect. */
500 static err_t ppp_netif_output(struct netif *netif, struct pbuf *pb, u16_t protocol) {
508       || (protocol == PPP_IP && !pcb->if4_up)
511       || (protocol == PPP_IPV6 && !pcb->if6_up)
531   if (protocol == PPP_IP && pcb->vj_enabled) {
535            protocol = PPP_IP; */
541         protocol = PPP_VJC_COMP;
547         protocol = PPP_VJC_UNCOMP;
565     if ((err = mppe_compress(pcb, &pcb->mppe_comp, &pb, protocol)) != ERR_OK) {
578     protocol = PPP_COMP;
587   err = pcb->link_cb->netif_output(pcb, pcb->link_ctx_cb, pb, protocol);
713    * Initialize each protocol.
740   /* Start protocol */
770   u16_t protocol;
781   protocol = (((u8_t *)pb->payload)[0] << 8) | ((u8_t*)pb->payload)[1];
787   pbuf_header(pb, -(s16_t)sizeof(protocol));
796   if (protocol != PPP_LCP && pcb->lcp_fsm.state != PPP_FSM_OPENED) {
806    && !(protocol == PPP_LCP
808    || protocol == PPP_LQR
811    || protocol == PPP_PAP
814    || protocol == PPP_CHAP
817    || protocol == PPP_EAP
820     ppp_dbglog("discarding proto 0x%x in phase %d", protocol, pcb->phase);
829    * the protocol is in the range of what should be encrypted.
832   if (pcb->settings.require_mppe && protocol != PPP_COMP && protocol < 0x8000) {
838   if (protocol == PPP_COMP) {
859     /* Extract and hide protocol (do PFC decompression if necessary) */
862       protocol = pl[0];
865       protocol = (pl[0] << 8) | pl[1];
871   switch(protocol) {
922        * Upcall the proper protocol input routine.
925         if (protp->protocol == protocol) {
943         if (protocol == (protp->protocol & ~0x8000)
953       pname = protocol_name(protocol);
955         ppp_warn("Unsupported protocol '%s' (0x%x) received", pname, protocol);
958         ppp_warn("Unsupported protocol 0x%x received", protocol);
960         pbuf_header(pb, (s16_t)sizeof(protocol));
1190  * sifdown - Disable the indicated protocol and config the interface
1298  * sif6down - Disable the indicated protocol and config the interface
1447 /* List of protocol names, to make our messages a little more informative. */
1514   { 0x4005, "Expand accelerator protocol" },
1583  * protocol_name - find a name for a PPP protocol.