4  * SPDX-License-Identifier: Apache-2.0
28 	if (fsm->protocol == PPP_LCP) {  in ppp_fsm_ctx()
31 	} else if (fsm->protocol == PPP_IPCP) {  in ppp_fsm_ctx()
35 	} else if (fsm->protocol == PPP_IPV6CP) {  in ppp_fsm_ctx()
39 	} else if (fsm->protocol == PPP_PAP) {  in ppp_fsm_ctx()
51 	NET_ASSERT(ctx->iface);  in ppp_fsm_iface()
53 	return ctx->iface;  in ppp_fsm_iface()
60 	if (fsm->state != PPP_ACK_RECEIVED &&  in fsm_send_configure_req()
61 	    fsm->state != PPP_ACK_SENT &&  in fsm_send_configure_req()
62 	    fsm->state != PPP_REQUEST_SENT) {  in fsm_send_configure_req()
64 		if (fsm->cb.config_info_reset) {  in fsm_send_configure_req()
65 			fsm->cb.config_info_reset(fsm);  in fsm_send_configure_req()
68 		fsm->recv_nack_loops = 0;  in fsm_send_configure_req()
69 		fsm->nack_loops = 0;  in fsm_send_configure_req()
73 		fsm->retransmits = MAX_CONFIGURE_REQ;  in fsm_send_configure_req()
74 		fsm->req_id = ++fsm->id;  in fsm_send_configure_req()
77 	fsm->ack_received = false;  in fsm_send_configure_req()
79 	if (fsm->cb.config_info_add) {  in fsm_send_configure_req()
80 		pkt = fsm->cb.config_info_add(fsm);  in fsm_send_configure_req()
83 	NET_DBG("[%s/%p] Sending %s (%d) id %d to peer while in %s (%d)",  in fsm_send_configure_req()
84 		fsm->name, fsm, ppp_pkt_type2str(PPP_CONFIGURE_REQ),  in fsm_send_configure_req()
85 		PPP_CONFIGURE_REQ, fsm->req_id, ppp_state_str(fsm->state),  in fsm_send_configure_req()
86 		fsm->state);  in fsm_send_configure_req()
88 	(void)ppp_send_pkt(fsm, NULL, PPP_CONFIGURE_REQ, fsm->req_id,  in fsm_send_configure_req()
91 	fsm->retransmits--;  in fsm_send_configure_req()
93 	(void)k_work_reschedule(&fsm->timer, FSM_TIMEOUT);  in fsm_send_configure_req()
101 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_timeout()
102 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_timeout()
104 	switch (fsm->state) {  in ppp_fsm_timeout()
108 		if (fsm->retransmits <= 0) {  in ppp_fsm_timeout()
109 			NET_DBG("[%s/%p] %s retransmit limit %d reached",  in ppp_fsm_timeout()
110 				fsm->name, fsm,  in ppp_fsm_timeout()
112 				fsm->retransmits);  in ppp_fsm_timeout()
116 			if (fsm->cb.finished) {  in ppp_fsm_timeout()
117 				fsm->cb.finished(fsm);  in ppp_fsm_timeout()
120 			if (fsm->cb.retransmit) {  in ppp_fsm_timeout()
121 				fsm->cb.retransmit(fsm);  in ppp_fsm_timeout()
126 			if (fsm->state == PPP_ACK_RECEIVED) {  in ppp_fsm_timeout()
135 		if (fsm->retransmits <= 0) {  in ppp_fsm_timeout()
137 					 fsm->state == PPP_CLOSING ?  in ppp_fsm_timeout()
140 			if (fsm->cb.finished) {  in ppp_fsm_timeout()
141 				fsm->cb.finished(fsm);  in ppp_fsm_timeout()
144 			fsm->req_id = ++fsm->id;  in ppp_fsm_timeout()
146 			ppp_send_pkt(fsm, NULL, PPP_TERMINATE_REQ, fsm->req_id,  in ppp_fsm_timeout()
147 				     fsm->terminate_reason,  in ppp_fsm_timeout()
148 				     strlen(fsm->terminate_reason));  in ppp_fsm_timeout()
150 			fsm->retransmits--;  in ppp_fsm_timeout()
152 			(void)k_work_reschedule(&fsm->timer, FSM_TIMEOUT);  in ppp_fsm_timeout()
158 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in ppp_fsm_timeout()
159 			ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_timeout()
166 	fsm->protocol = protocol;  in ppp_fsm_init()
167 	fsm->state = PPP_INITIAL;  in ppp_fsm_init()
168 	fsm->flags = 0U;  in ppp_fsm_init()
170 	k_work_init_delayable(&fsm->timer, ppp_fsm_timeout);  in ppp_fsm_init()
177 	for (i = 0; i < fsm->my_options.count; i++) {  in fsm_down()
178 		fsm->my_options.data[i].flags = 0;  in fsm_down()
181 	if (fsm->cb.down) {  in fsm_down()
182 		fsm->cb.down(fsm);  in fsm_down()
188 	if (fsm->state != PPP_OPENED) {  in terminate()
189 		k_work_cancel_delayable(&fsm->timer);  in terminate()
194 	fsm->retransmits = MAX_TERMINATE_REQ;  in terminate()
195 	fsm->req_id = ++fsm->id;  in terminate()
197 	(void)ppp_send_pkt(fsm, NULL, PPP_TERMINATE_REQ, fsm->req_id,  in terminate()
198 			   fsm->terminate_reason,  in terminate()
199 			   strlen(fsm->terminate_reason));  in terminate()
201 	if (fsm->retransmits == 0) {  in terminate()
204 		if (fsm->cb.finished) {  in terminate()
205 			fsm->cb.finished(fsm);  in terminate()
211 	(void)k_work_reschedule(&fsm->timer, FSM_TIMEOUT);  in terminate()
213 	fsm->retransmits--;  in terminate()
220 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_close()
221 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_close()
223 	switch (fsm->state) {  in ppp_fsm_close()
229 			int limit_len = sizeof(fsm->terminate_reason) - 1;  in ppp_fsm_close()
231 			strncpy(fsm->terminate_reason, reason, limit_len);  in ppp_fsm_close()
232 			fsm->terminate_reason[limit_len] = '\0';  in ppp_fsm_close()
252 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in ppp_fsm_close()
253 			ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_close()
260 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_lower_down()
261 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_lower_down()
263 	switch (fsm->state) {  in ppp_fsm_lower_down()
269 		k_work_cancel_delayable(&fsm->timer);  in ppp_fsm_lower_down()
278 		k_work_cancel_delayable(&fsm->timer);  in ppp_fsm_lower_down()
289 		if (fsm->cb.starting) {  in ppp_fsm_lower_down()
290 			fsm->cb.starting(fsm);  in ppp_fsm_lower_down()
296 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in ppp_fsm_lower_down()
297 			ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_lower_down()
304 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_lower_up()
305 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_lower_up()
307 	switch (fsm->state) {  in ppp_fsm_lower_up()
322 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in ppp_fsm_lower_up()
323 			ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_lower_up()
330 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_open()
331 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_open()
333 	switch (fsm->state) {  in ppp_fsm_open()
341 		if (fsm->flags & FSM_RESTART) {  in ppp_fsm_open()
350 		if (fsm->cb.starting) {  in ppp_fsm_open()
351 			fsm->cb.starting(fsm);  in ppp_fsm_open()
358 		if (fsm->flags & FSM_RESTART) {  in ppp_fsm_open()
366 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in ppp_fsm_open()
367 			ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_open()
373 		 enum ppp_packet_type type, uint8_t id,  in ppp_send_pkt()  argument
388 			return -ENOENT;  in ppp_send_pkt()
395 		return -ENETDOWN;  in ppp_send_pkt()
399 		protocol = fsm->protocol;  in ppp_send_pkt()
407 		len = MIN(len, ctx->lcp.my_options.mru);  in ppp_send_pkt()
416 		/* 2 + 1 + 1 (configure-[req|ack|nack|rej]) +  in ppp_send_pkt()
449 		return -EINVAL;  in ppp_send_pkt()
453 	ppp.id = id;  in ppp_send_pkt()
499 		if (ctx->lcp.magic) {  in ppp_send_pkt()
500 			ctx->lcp.magic = sys_rand32_get();  in ppp_send_pkt()
503 		ret = net_pkt_write_be32(pkt, ctx->lcp.magic);  in ppp_send_pkt()
508 		data_len = MIN(data_len, ctx->lcp.my_options.mru);  in ppp_send_pkt()
528 	NET_DBG("[%s/%p] Sending %zd bytes pkt %p (options len %d)",  in ppp_send_pkt()
529 		fsm ? fsm->name : "?", fsm, net_pkt_get_len(pkt), pkt,  in ppp_send_pkt()
557 	return -ENOMEM;  in ppp_send_pkt()
561 					       uint8_t id,  in fsm_recv_configure_req()  argument
569 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in fsm_recv_configure_req()
570 		ppp_state_str(fsm->state), fsm->state);  in fsm_recv_configure_req()
572 	switch (fsm->state) {  in fsm_recv_configure_req()
579 				   id, NULL, 0);  in fsm_recv_configure_req()
603 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in fsm_recv_configure_req()
604 			ppp_state_str(fsm->state), fsm->state);  in fsm_recv_configure_req()
619 	if (fsm->cb.config_info_req) {  in fsm_recv_configure_req()
622 		ret = fsm->cb.config_info_req(fsm, pkt, remaining_len, out);  in fsm_recv_configure_req()
627 		if (fsm->nack_loops >= MAX_NACK_LOOPS &&  in fsm_recv_configure_req()
643 	NET_DBG("[%s/%p] Sending %s (%d) id %d to peer while in %s (%d)",  in fsm_recv_configure_req()
644 		fsm->name, fsm, ppp_pkt_type2str(code), code, id,  in fsm_recv_configure_req()
645 		ppp_state_str(fsm->state), fsm->state);  in fsm_recv_configure_req()
647 	(void)ppp_send_pkt(fsm, NULL, code, id, out, len);  in fsm_recv_configure_req()
650 		if (fsm->state == PPP_ACK_RECEIVED) {  in fsm_recv_configure_req()
651 			k_work_cancel_delayable(&fsm->timer);  in fsm_recv_configure_req()
655 			if (fsm->cb.up) {  in fsm_recv_configure_req()
656 				fsm->cb.up(fsm);  in fsm_recv_configure_req()
662 		fsm->nack_loops = 0;  in fsm_recv_configure_req()
664 		if (fsm->state != PPP_ACK_RECEIVED) {  in fsm_recv_configure_req()
669 			fsm->nack_loops++;  in fsm_recv_configure_req()
681 static enum net_verdict fsm_recv_configure_ack(struct ppp_fsm *fsm, uint8_t id,  in fsm_recv_configure_ack()  argument
685 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in fsm_recv_configure_ack()
686 		ppp_state_str(fsm->state), fsm->state);  in fsm_recv_configure_ack()
688 	if (id != fsm->req_id || fsm->ack_received) {  in fsm_recv_configure_ack()
692 	if (fsm->cb.config_info_ack) {  in fsm_recv_configure_ack()
693 		if (fsm->cb.config_info_ack(fsm, pkt, remaining_len) < 0) {  in fsm_recv_configure_ack()
694 			NET_DBG("[%s/%p] %s %s received", fsm->name, fsm,  in fsm_recv_configure_ack()
701 	fsm->ack_received = true;  in fsm_recv_configure_ack()
702 	fsm->recv_nack_loops = 0;  in fsm_recv_configure_ack()
704 	switch (fsm->state) {  in fsm_recv_configure_ack()
706 		k_work_cancel_delayable(&fsm->timer);  in fsm_recv_configure_ack()
712 		k_work_cancel_delayable(&fsm->timer);  in fsm_recv_configure_ack()
714 		fsm->retransmits = MAX_CONFIGURE_REQ;  in fsm_recv_configure_ack()
715 		if (fsm->cb.up) {  in fsm_recv_configure_ack()
716 			fsm->cb.up(fsm);  in fsm_recv_configure_ack()
724 				   id, NULL, 0);  in fsm_recv_configure_ack()
736 		fsm->retransmits = MAX_CONFIGURE_REQ;  in fsm_recv_configure_ack()
740 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in fsm_recv_configure_ack()
741 			ppp_state_str(fsm->state), fsm->state);  in fsm_recv_configure_ack()
750 						    uint8_t id,  in fsm_recv_configure_nack_rej()  argument
756 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in fsm_recv_configure_nack_rej()
757 		ppp_state_str(fsm->state), fsm->state);  in fsm_recv_configure_nack_rej()
759 	if (id != fsm->req_id || fsm->ack_received) {  in fsm_recv_configure_nack_rej()
766 		fsm->recv_nack_loops++;  in fsm_recv_configure_nack_rej()
768 		if (fsm->recv_nack_loops >= MAX_NACK_LOOPS) {  in fsm_recv_configure_nack_rej()
772 		if (fsm->cb.config_info_nack) {  in fsm_recv_configure_nack_rej()
775 			err = fsm->cb.config_info_nack(fsm, pkt, length,  in fsm_recv_configure_nack_rej()
778 				NET_DBG("[%s/%p] %s failed (%d)",  in fsm_recv_configure_nack_rej()
779 					fsm->name, fsm, "Nack", err);  in fsm_recv_configure_nack_rej()
786 			NET_DBG("[%s/%p] %s %s (id %d)", fsm->name, fsm,  in fsm_recv_configure_nack_rej()
787 				"Invalid", ppp_pkt_type2str(code), id);  in fsm_recv_configure_nack_rej()
791 		fsm->recv_nack_loops = 0;  in fsm_recv_configure_nack_rej()
793 		if (fsm->cb.config_info_rej) {  in fsm_recv_configure_nack_rej()
796 			err = fsm->cb.config_info_rej(fsm, pkt, length);  in fsm_recv_configure_nack_rej()
798 				NET_DBG("[%s/%p] %s failed (%d)",  in fsm_recv_configure_nack_rej()
799 					fsm->name, fsm, "Reject", err);  in fsm_recv_configure_nack_rej()
806 			NET_DBG("[%s/%p] %s %s (id %d)", fsm->name, fsm,  in fsm_recv_configure_nack_rej()
807 				"Invalid", ppp_pkt_type2str(code), id);  in fsm_recv_configure_nack_rej()
812 	fsm->ack_received = true;  in fsm_recv_configure_nack_rej()
814 	switch (fsm->state) {  in fsm_recv_configure_nack_rej()
816 		k_work_cancel_delayable(&fsm->timer);  in fsm_recv_configure_nack_rej()
823 		k_work_cancel_delayable(&fsm->timer);  in fsm_recv_configure_nack_rej()
830 				   id, NULL, 0);  in fsm_recv_configure_nack_rej()
841 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in fsm_recv_configure_nack_rej()
842 			ppp_state_str(fsm->state), fsm->state);  in fsm_recv_configure_nack_rej()
849 static enum net_verdict fsm_recv_terminate_req(struct ppp_fsm *fsm, uint8_t id,  in fsm_recv_terminate_req()  argument
853 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in fsm_recv_terminate_req()
854 		ppp_state_str(fsm->state), fsm->state);  in fsm_recv_terminate_req()
856 	switch (fsm->state) {  in fsm_recv_terminate_req()
864 			net_pkt_read(pkt, fsm->terminate_reason,  in fsm_recv_terminate_req()
866 					 sizeof(fsm->terminate_reason) - 1));  in fsm_recv_terminate_req()
868 			NET_DBG("[%s/%p] %s (%s)",  in fsm_recv_terminate_req()
869 				fsm->name, fsm, "Terminated by peer",  in fsm_recv_terminate_req()
870 				fsm->terminate_reason);  in fsm_recv_terminate_req()
872 			NET_DBG("[%s/%p] Terminated by peer",  in fsm_recv_terminate_req()
873 				fsm->name, fsm);  in fsm_recv_terminate_req()
876 		fsm->retransmits = 0;  in fsm_recv_terminate_req()
881 		(void)k_work_reschedule(&fsm->timer, FSM_TIMEOUT);  in fsm_recv_terminate_req()
885 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in fsm_recv_terminate_req()
886 			ppp_state_str(fsm->state), fsm->state);  in fsm_recv_terminate_req()
890 	(void)ppp_send_pkt(fsm, net_pkt_iface(pkt), PPP_TERMINATE_ACK, id,  in fsm_recv_terminate_req()
896 static enum net_verdict fsm_recv_terminate_ack(struct ppp_fsm *fsm, uint8_t id,  in fsm_recv_terminate_ack()  argument
902 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in fsm_recv_terminate_ack()
903 		ppp_state_str(fsm->state), fsm->state);  in fsm_recv_terminate_ack()
905 	switch (fsm->state) {  in fsm_recv_terminate_ack()
926 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in fsm_recv_terminate_ack()
927 			ppp_state_str(fsm->state), fsm->state);  in fsm_recv_terminate_ack()
934 	k_work_cancel_delayable(&fsm->timer);  in fsm_recv_terminate_ack()
937 	if (fsm->cb.finished) {  in fsm_recv_terminate_ack()
938 		fsm->cb.finished(fsm);  in fsm_recv_terminate_ack()
947 	uint8_t code, id;  in fsm_recv_code_rej()  local
950 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in fsm_recv_code_rej()
951 		ppp_state_str(fsm->state), fsm->state);  in fsm_recv_code_rej()
958 	ret = net_pkt_read_u8(pkt, &id);  in fsm_recv_code_rej()
963 	NET_DBG("[%s/%p] Received Code-Rej code %d id %d", fsm->name, fsm,  in fsm_recv_code_rej()
964 		code, id);  in fsm_recv_code_rej()
966 	if (fsm->state == PPP_ACK_RECEIVED) {  in fsm_recv_code_rej()
975 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_proto_reject()
976 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_proto_reject()
978 	switch (fsm->state) {  in ppp_fsm_proto_reject()
983 		k_work_cancel_delayable(&fsm->timer);  in ppp_fsm_proto_reject()
985 		if (fsm->cb.finished) {  in ppp_fsm_proto_reject()
986 			fsm->cb.finished(fsm);  in ppp_fsm_proto_reject()
993 		if (fsm->cb.finished) {  in ppp_fsm_proto_reject()
994 			fsm->cb.finished(fsm);  in ppp_fsm_proto_reject()
1000 		k_work_cancel_delayable(&fsm->timer);  in ppp_fsm_proto_reject()
1002 		if (fsm->cb.finished) {  in ppp_fsm_proto_reject()
1003 			fsm->cb.finished(fsm);  in ppp_fsm_proto_reject()
1014 		if (fsm->cb.finished) {  in ppp_fsm_proto_reject()
1015 			fsm->cb.finished(fsm);  in ppp_fsm_proto_reject()
1021 		NET_DBG("[%s/%p] %s state %s (%d)", fsm->name, fsm, "Invalid",  in ppp_fsm_proto_reject()
1022 			ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_proto_reject()
1030 	uint8_t code, id;  in ppp_fsm_input()  local
1037 		NET_DBG("[%s/%p] Cannot read %s (pkt len %zd)",  in ppp_fsm_input()
1038 			fsm->name, fsm, "code", net_pkt_get_len(pkt));  in ppp_fsm_input()
1042 	ret = net_pkt_read_u8(pkt, &id);  in ppp_fsm_input()
1044 		NET_DBG("[%s/%p] Cannot read %s (pkt len %zd)",  in ppp_fsm_input()
1045 			fsm->name, fsm, "id", net_pkt_get_len(pkt));  in ppp_fsm_input()
1051 		NET_DBG("[%s/%p] Cannot read %s (pkt len %zd)",  in ppp_fsm_input()
1052 			fsm->name, fsm, "length", net_pkt_get_len(pkt));  in ppp_fsm_input()
1056 	if (length > ctx->lcp.my_options.mru) {  in ppp_fsm_input()
1057 		NET_DBG("[%s/%p] Too long msg %d", fsm->name, fsm, length);  in ppp_fsm_input()
1061 	if (fsm->state == PPP_INITIAL || fsm->state == PPP_STARTING) {  in ppp_fsm_input()
1062 		NET_DBG("[%s/%p] Received %s packet in wrong state %s (%d)",  in ppp_fsm_input()
1063 			fsm->name, fsm, ppp_proto2str(proto),  in ppp_fsm_input()
1064 			ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_input()
1069 	length -= sizeof(code) + sizeof(id) + sizeof(length);  in ppp_fsm_input()
1071 	NET_DBG("[%s/%p] %s %s (%d) id %d payload len %d", fsm->name, fsm,  in ppp_fsm_input()
1072 		ppp_proto2str(proto), ppp_pkt_type2str(code), code, id,  in ppp_fsm_input()
1080 		return fsm_recv_configure_ack(fsm, id, pkt, length);  in ppp_fsm_input()
1083 		return fsm_recv_configure_nack_rej(fsm, code, id, pkt, length);  in ppp_fsm_input()
1086 		return fsm_recv_configure_req(fsm, id, pkt, length);  in ppp_fsm_input()
1089 		return fsm_recv_configure_nack_rej(fsm, code, id, pkt, length);  in ppp_fsm_input()
1092 		return fsm_recv_terminate_ack(fsm, id, pkt, length);  in ppp_fsm_input()
1095 		return fsm_recv_terminate_req(fsm, id, pkt, length);  in ppp_fsm_input()
1098 		if (fsm->cb.proto_extension) {  in ppp_fsm_input()
1101 			verdict = fsm->cb.proto_extension(fsm, code, id, pkt);  in ppp_fsm_input()
1108 				   id, pkt, 0);  in ppp_fsm_input()
1115 					   uint8_t id,  in ppp_fsm_recv_protocol_rej()  argument
1118 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_recv_protocol_rej()
1119 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_recv_protocol_rej()
1125 				       uint8_t id,  in ppp_fsm_recv_echo_req()  argument
1128 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_recv_echo_req()
1129 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_recv_echo_req()
1132 		id, pkt, 0);  in ppp_fsm_recv_echo_req()
1138 					 uint8_t id,  in ppp_fsm_recv_echo_reply()  argument
1141 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_recv_echo_reply()
1142 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_recv_echo_reply()
1147 	if (ctx->shell.echo_reply.cb) {  in ppp_fsm_recv_echo_reply()
1148 		ctx->shell.echo_reply.cb(ctx->shell.echo_reply.user_data,  in ppp_fsm_recv_echo_reply()
1149 					 ctx->shell.echo_reply.user_data_len);  in ppp_fsm_recv_echo_reply()
1157 					  uint8_t id,  in ppp_fsm_recv_discard_req()  argument
1160 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,  in ppp_fsm_recv_discard_req()
1161 		ppp_state_str(fsm->state), fsm->state);  in ppp_fsm_recv_discard_req()
1169 	uint8_t code, id;  in ppp_send_proto_rej()  local
1177 	ret = net_pkt_read_u8(pkt, &id);  in ppp_send_proto_rej()
1182 	(void)ppp_send_pkt(NULL, iface, PPP_PROTOCOL_REJ, id, pkt, 0);  in ppp_send_proto_rej()