10  * 2. Redistributions in binary form must reproduce the above copyright
44 #define STATE_OFFER_RECEIVED  2
68 #define DHCP_REPLY          2
77 #define DHCPOFFER     2
143 create_msg(register struct dhcp_msg *m)  in create_msg()  argument
145   m->op = DHCP_REQUEST;  in create_msg()
146   m->htype = DHCP_HTYPE_ETHERNET;  in create_msg()
147   m->hlen = s.mac_len;  in create_msg()
148   m->hops = 0;  in create_msg()
149   memcpy(m->xid, xid, sizeof(m->xid));  in create_msg()
150   m->secs = 0;  in create_msg()
151   m->flags = HTONS(BOOTP_BROADCAST); /*  Broadcast bit. */  in create_msg()
152   /*  uip_ipaddr_copy(m->ciaddr, uip_hostaddr);*/  in create_msg()
153   memcpy(m->ciaddr, uip_hostaddr, sizeof(m->ciaddr));  in create_msg()
154   memset(m->yiaddr, 0, sizeof(m->yiaddr));  in create_msg()
155   memset(m->siaddr, 0, sizeof(m->siaddr));  in create_msg()
156   memset(m->giaddr, 0, sizeof(m->giaddr));  in create_msg()
157   memcpy(m->chaddr, s.mac_addr, s.mac_len);  in create_msg()
158   memset(&m->chaddr[s.mac_len], 0, sizeof(m->chaddr) - s.mac_len);  in create_msg()
160   memset(m->sname, 0, sizeof(m->sname));  in create_msg()
161   memset(m->file, 0, sizeof(m->file));  in create_msg()
164   memcpy(m->options, magic_cookie, sizeof(magic_cookie));  in create_msg()
171   struct dhcp_msg *m = (struct dhcp_msg *)uip_appdata;  in send_discover()  local
173   create_msg(m);  in send_discover()
175   end = add_msg_type(&m->options[4], DHCPDISCOVER);  in send_discover()
186   struct dhcp_msg *m = (struct dhcp_msg *)uip_appdata;  in send_request()  local
188   create_msg(m);  in send_request()
190   end = add_msg_type(&m->options[4], DHCPREQUEST);  in send_request()
207       memcpy(s.netmask, optptr + 2, 4);  in parse_options()
210       memcpy(s.default_router, optptr + 2, 4);  in parse_options()
213       memcpy(s.dnsaddr, optptr + 2, 4);  in parse_options()
216       type = *(optptr + 2);  in parse_options()
219       memcpy(s.serverid, optptr + 2, 4);  in parse_options()
222       memcpy(s.lease_time, optptr + 2, 4);  in parse_options()
228     optptr += optptr[1] + 2;  in parse_options()
236   struct dhcp_msg *m = (struct dhcp_msg *)uip_appdata;  in parse_msg()  local
238   if(m->op == DHCP_REPLY &&  in parse_msg()
239      memcmp(m->xid, xid, sizeof(xid)) == 0 &&  in parse_msg()
240      memcmp(m->chaddr, s.mac_addr, s.mac_len) == 0) {  in parse_msg()
241     memcpy(s.ipaddr, m->yiaddr, 4);  in parse_msg()
242     return parse_options(&m->options[4], uip_datalen());  in parse_msg()
267       s.ticks *= 2;  in PT_THREAD()
348   u16_t ipaddr[2];  in dhcpc_request()