static void BootpVendorFieldProcess(u8 * ext){
int size = *(ext + 1);
NetBootFileSize = 0;
switch(*ext){
/* Fixed length fields */
case 1: /* Subnet mask */
if (NetOurSubnetMask == 0){
NetCopyIP(&NetOurSubnetMask, (IPaddr_t *)(ext + 2));
}
break;
case 2: /* Time offset - Not yet supported */
break;
/* Variable length fields */
case 3: /* Gateways list */
if(NetOurGatewayIP == 0){
NetCopyIP(&NetOurGatewayIP, (IPaddr_t *)(ext + 2));
}
break;
case 4: /* Time server - Not yet supported */
break;
case 5: /* IEN-116 name server - Not yet supported */
break;
case 6:
if(NetOurDNSIP == 0){
NetCopyIP(&NetOurDNSIP, (IPaddr_t *)(ext + 2));
}
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
if((NetOurDNS2IP == 0) && (size > 4)){
NetCopyIP(&NetOurDNS2IP, (IPaddr_t *)(ext + 2 + 4));
}
#endif
break;
case 7: /* Log server - Not yet supported */
break;
case 8: /* Cookie/Quote server - Not yet supported */
break;
case 9: /* LPR server - Not yet supported */
break;
case 10: /* Impress server - Not yet supported */
break;
case 11: /* RPL server - Not yet supported */
break;
case 12: /* Host name */
if(NetOurHostName[0] == 0){
size = truncate_sz("Host Name", sizeof(NetOurHostName), size);
memcpy(&NetOurHostName, ext + 2, size);
NetOurHostName[size] = 0;
}
break;
case 13: /* Boot file size */
if(size == 2){
NetBootFileSize = ntohs(*(ushort *)(ext + 2));
} else if(size == 4){
NetBootFileSize = ntohl(*(ulong *)(ext + 2));
}
break;
case 14: /* Merit dump file - Not yet supported */
break;
case 15: /* Domain name - Not yet supported */
break;
case 16: /* Swap server - Not yet supported */
break;
case 17: /* Root path */
if(NetOurRootPath[0] == 0){
size = truncate_sz("Root Path", sizeof(NetOurRootPath), size);
memcpy(&NetOurRootPath, ext + 2, size);
NetOurRootPath[size] = 0;
}
break;
case 18: /* Extension path - Not yet supported */
/*
* This can be used to send the information of the
* vendor area in another file that the client can
* access via TFTP.
*/
break;
/* IP host layer fields */
case 40: /* NIS Domain name */
if(NetOurNISDomain[0] == 0){
size = truncate_sz("NIS Domain Name", sizeof(NetOurNISDomain), size);
memcpy(&NetOurNISDomain, ext + 2, size);
NetOurNISDomain[size] = 0;
}
break;
/* Application layer fields */
case 43: /* Vendor specific info - Not yet supported */
/*
* Binary information to exchange specific
* product information.
*/
break;
/* Reserved (custom) fields (128..254) */
}
}
static void bootp_process_vendor_field(u8 *ext)
{
int size = *(ext + 1);
debug("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
*(ext + 1));
net_boot_file_expected_size_in_blocks = 0;
switch (*ext) {
/* Fixed length fields */
case 1: /* Subnet mask */
if (net_netmask.s_addr == 0)
net_copy_ip(&net_netmask, (struct in_addr *)(ext + 2));
break;
case 2: /* Time offset - Not yet supported */
break;
/* Variable length fields */
case 3: /* Gateways list */
if (net_gateway.s_addr == 0)
net_copy_ip(&net_gateway, (struct in_addr *)(ext + 2));
break;
case 4: /* Time server - Not yet supported */
break;
case 5: /* IEN-116 name server - Not yet supported */
break;
case 6:
if (net_dns_server.s_addr == 0)
net_copy_ip(&net_dns_server,
(struct in_addr *)(ext + 2));
#if defined(CONFIG_BOOTP_DNS2)
if ((net_dns_server2.s_addr == 0) && (size > 4))
net_copy_ip(&net_dns_server2,
(struct in_addr *)(ext + 2 + 4));
#endif
break;
case 7: /* Log server - Not yet supported */
break;
case 8: /* Cookie/Quote server - Not yet supported */
break;
case 9: /* LPR server - Not yet supported */
break;
case 10: /* Impress server - Not yet supported */
break;
case 11: /* RPL server - Not yet supported */
break;
case 12: /* Host name */
if (net_hostname[0] == 0) {
size = truncate_sz("Host Name",
sizeof(net_hostname), size);
memcpy(&net_hostname, ext + 2, size);
net_hostname[size] = 0;
}
break;
case 13: /* Boot file size */
if (size == 2)
net_boot_file_expected_size_in_blocks =
ntohs(*(ushort *)(ext + 2));
else if (size == 4)
net_boot_file_expected_size_in_blocks =
ntohl(*(ulong *)(ext + 2));
break;
case 14: /* Merit dump file - Not yet supported */
break;
case 15: /* Domain name - Not yet supported */
break;
case 16: /* Swap server - Not yet supported */
break;
case 17: /* Root path */
if (net_root_path[0] == 0) {
size = truncate_sz("Root Path",
sizeof(net_root_path), size);
memcpy(&net_root_path, ext + 2, size);
net_root_path[size] = 0;
}
break;
case 18: /* Extension path - Not yet supported */
/*
* This can be used to send the information of the
* vendor area in another file that the client can
* access via TFTP.
*/
break;
/* IP host layer fields */
case 40: /* NIS Domain name */
if (net_nis_domain[0] == 0) {
size = truncate_sz("NIS Domain Name",
sizeof(net_nis_domain), size);
memcpy(&net_nis_domain, ext + 2, size);
net_nis_domain[size] = 0;
}
break;
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
case 42: /* NTP server IP */
net_copy_ip(&net_ntp_server, (struct in_addr *)(ext + 2));
break;
#endif
/* Application layer fields */
case 43: /* Vendor specific info - Not yet supported */
/*
* Binary information to exchange specific
* product information.
*/
break;
/* Reserved (custom) fields (128..254) */
}
}
