4  * SPDX-License-Identifier: Apache-2.0
23 		      int (*parse)(struct net_pkt *pkt, uint8_t code,  in ppp_parse_options()  argument
36 		return -EMSGSIZE;  in ppp_parse_options()
39 	while (remaining > 0) {  in ppp_parse_options()
41 		if (ret < 0) {  in ppp_parse_options()
44 			return -EBADMSG;  in ppp_parse_options()
48 		if (ret < 0) {  in ppp_parse_options()
51 			return -EBADMSG;  in ppp_parse_options()
54 		opt_val_len = opt_len - sizeof(opt_type) - sizeof(opt_len);  in ppp_parse_options()
58 		NET_DBG("[%s/%p] option %s (%d) len %d", fsm->name, fsm,  in ppp_parse_options()
59 			ppp_option2str(fsm->protocol, opt_type), opt_type,  in ppp_parse_options()
63 		if (ret < 0) {  in ppp_parse_options()
70 		remaining -= opt_len;  in ppp_parse_options()
73 	if (remaining < 0) {  in ppp_parse_options()
74 		return -EBADMSG;  in ppp_parse_options()
77 	return 0;  in ppp_parse_options()
83 			 uint8_t code)  in ppp_peer_option_info_get()  argument
87 	for (i = 0; i < num_options; i++) {  in ppp_peer_option_info_get()
88 		if (options[i].code == code) {  in ppp_peer_option_info_get()
109 						 uint8_t code, uint8_t len,  in ppp_parse_option_conf_req_unsupported()  argument
113 	struct ppp_fsm *fsm = parse_data->fsm;  in ppp_parse_option_conf_req_unsupported()
114 	struct net_pkt *ret_pkt = parse_data->ret_pkt;  in ppp_parse_option_conf_req_unsupported()
116 		ppp_peer_option_info_get(parse_data->options_info,  in ppp_parse_option_conf_req_unsupported()
117 					 parse_data->num_options_info,  in ppp_parse_option_conf_req_unsupported()
118 					 code);  in ppp_parse_option_conf_req_unsupported()
121 		fsm->name, fsm, "Check",  in ppp_parse_option_conf_req_unsupported()
122 		ppp_option2str(parse_data->protocol, code),  in ppp_parse_option_conf_req_unsupported()
123 		code, len);  in ppp_parse_option_conf_req_unsupported()
126 		return 0;  in ppp_parse_option_conf_req_unsupported()
129 	parse_data->rej_count++;  in ppp_parse_option_conf_req_unsupported()
131 	net_pkt_write_u8(ret_pkt, code);  in ppp_parse_option_conf_req_unsupported()
132 	net_pkt_write_u8(ret_pkt, len + sizeof(code) + sizeof(len));  in ppp_parse_option_conf_req_unsupported()
134 	if (len > 0) {  in ppp_parse_option_conf_req_unsupported()
138 	return 0;  in ppp_parse_option_conf_req_unsupported()
142 					       uint8_t code, uint8_t len,  in ppp_parse_option_conf_req_supported()  argument
146 	struct ppp_fsm *fsm = parse_data->fsm;  in ppp_parse_option_conf_req_supported()
148 		ppp_peer_option_info_get(parse_data->options_info,  in ppp_parse_option_conf_req_supported()
149 					 parse_data->num_options_info,  in ppp_parse_option_conf_req_supported()
150 					 code);  in ppp_parse_option_conf_req_supported()
153 	ret = option_info->parse(fsm, pkt, parse_data->user_data);  in ppp_parse_option_conf_req_supported()
154 	if (ret == -EINVAL) {  in ppp_parse_option_conf_req_supported()
155 		parse_data->nack_count++;  in ppp_parse_option_conf_req_supported()
156 		ret = option_info->nack(fsm, parse_data->ret_pkt,  in ppp_parse_option_conf_req_supported()
157 					parse_data->user_data);  in ppp_parse_option_conf_req_supported()
188 	if (ret < 0) {  in ppp_config_info_req()
189 		return -EINVAL;  in ppp_config_info_req()
201 	if (ret < 0) {  in ppp_config_info_req()
202 		return -EINVAL;  in ppp_config_info_req()
225 					AF_UNSPEC, 0, PPP_BUF_ALLOC_TIMEOUT);  in ppp_my_options_add()
230 	for (i = 0; i < fsm->my_options.count; i++) {  in ppp_my_options_add()
231 		info = &fsm->my_options.info[i];  in ppp_my_options_add()
232 		data = &fsm->my_options.data[i];  in ppp_my_options_add()
234 		if (data->flags & PPP_MY_OPTION_REJECTED) {  in ppp_my_options_add()
238 		err = net_pkt_write_u8(pkt, info->code);  in ppp_my_options_add()
243 		err = info->conf_req_add(ctx, pkt);  in ppp_my_options_add()
267 static int ppp_my_option_get(struct ppp_fsm *fsm, uint8_t code,  in ppp_my_option_get()  argument
273 	for (i = 0; i < fsm->my_options.count; i++) {  in ppp_my_option_get()
274 		if (fsm->my_options.info[i].code == code) {  in ppp_my_option_get()
275 			*info = &fsm->my_options.info[i];  in ppp_my_option_get()
276 			*data = &fsm->my_options.data[i];  in ppp_my_option_get()
277 			return 0;  in ppp_my_option_get()
281 	return -ENOENT;  in ppp_my_option_get()
284 static int ppp_my_option_parse(struct net_pkt *pkt, uint8_t code,  in ppp_my_option_parse()  argument
288 	struct ppp_context *ctx = ppp_fsm_ctx(d->fsm);  in ppp_my_option_parse()
293 	ret = ppp_my_option_get(d->fsm, code, &info, &data);  in ppp_my_option_parse()
294 	if (ret < 0) {  in ppp_my_option_parse()
295 		return 0;  in ppp_my_option_parse()
298 	return d->handle(ctx, pkt, len, info, data);  in ppp_my_option_parse()
320 	data->flags |= PPP_MY_OPTION_ACKED;  in ppp_my_option_parse_conf_ack()
322 	if (info->conf_ack_handle) {  in ppp_my_option_parse_conf_ack()
323 		return info->conf_ack_handle(ctx, pkt, len);  in ppp_my_option_parse_conf_ack()
326 	return 0;  in ppp_my_option_parse_conf_ack()
342 	return info->conf_nak_handle(ctx, pkt, len);  in ppp_my_option_parse_conf_nak()
358 	data->flags |= PPP_MY_OPTION_REJECTED;  in ppp_my_option_parse_conf_rej()
360 	return 0;  in ppp_my_option_parse_conf_rej()
371 uint32_t ppp_my_option_flags(struct ppp_fsm *fsm, uint8_t code)  in ppp_my_option_flags()  argument
377 	ret = ppp_my_option_get(fsm, code, &info, &data);  in ppp_my_option_flags()
382 	return data->flags;  in ppp_my_option_flags()