aboutsummaryrefslogtreecommitdiffstats
path: root/Demos/Device/LowLevel
diff options
context:
space:
mode:
Diffstat (limited to 'Demos/Device/LowLevel')
-rw-r--r--Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c12
-rw-r--r--Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h3
2 files changed, 13 insertions, 2 deletions
diff --git a/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c b/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
index fc501c308..0e98977df 100644
--- a/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
+++ b/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
@@ -95,12 +95,20 @@ int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart,
: DHCP_MESSAGETYPE_ACK;
*(DHCPOptionsOUTStart++) = DHCP_OPTION_SUBNETMASK;
- *(DHCPOptionsOUTStart++) = 4;
+ *(DHCPOptionsOUTStart++) = sizeof(IP_Address_t);
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0x00;
+ *(DHCPOptionsOUTStart++) = DHCP_OPTION_LEASETIME;
+ *(DHCPOptionsOUTStart++) = sizeof(uint32_t);
+ /* Lease Time 86400s (ONE_DAY) */
+ *(DHCPOptionsOUTStart++) = 0x00;
+ *(DHCPOptionsOUTStart++) = 0x01;
+ *(DHCPOptionsOUTStart++) = 0x51;
+ *(DHCPOptionsOUTStart++) = 0x80;
+
*(DHCPOptionsOUTStart++) = DHCP_OPTION_DHCPSERVER;
*(DHCPOptionsOUTStart++) = sizeof(IP_Address_t);
memcpy(DHCPOptionsOUTStart, &ServerIPAddress, sizeof(IP_Address_t));
@@ -108,7 +116,7 @@ int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart,
*(DHCPOptionsOUTStart++) = DHCP_OPTION_END;
- return (sizeof(DHCP_Header_t) + 12 + sizeof(IP_Address_t));
+ return (sizeof(DHCP_Header_t) + 18 + sizeof(IP_Address_t));
}
}
diff --git a/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h b/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h
index 325fe0353..e2ba4fc65 100644
--- a/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h
+++ b/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h
@@ -60,6 +60,9 @@
/** DHCP option list entry header, indicating that a subnet mask will follow. */
#define DHCP_OPTION_SUBNETMASK 1
+ /** DHCP option list entry header, indicating that the Lease Time will follow. */
+ #define DHCP_OPTION_LEASETIME 51
+
/** DHCP option list entry header, indicating that the DHCP message type constant will follow. */
#define DHCP_OPTION_MESSAGETYPE 53