From 55adec1f4f9b600ade83c9269632cdc4b6a8b9e1 Mon Sep 17 00:00:00 2001 From: Stefan Hellermann Date: Wed, 30 Sep 2015 09:59:19 +0200 Subject: Add DHCP Lease Time to RNDIS Demo The RNDIS ClassDriver and LowLevel Demo won't work on some Linux hosts as their DHCP client requires the DHCP Option Lease Time. Add it to both Demos. Tested on Fedora Linux 22. --- Demos/Device/ClassDriver/RNDISEthernet/Lib/DHCP.c | 12 ++++++++++-- Demos/Device/ClassDriver/RNDISEthernet/Lib/DHCP.h | 3 +++ Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c | 12 ++++++++++-- Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h | 3 +++ 4 files changed, 26 insertions(+), 4 deletions(-) (limited to 'Demos') diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/DHCP.c b/Demos/Device/ClassDriver/RNDISEthernet/Lib/DHCP.c index 7b191b11c..816e33c37 100644 --- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/DHCP.c +++ b/Demos/Device/ClassDriver/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/ClassDriver/RNDISEthernet/Lib/DHCP.h b/Demos/Device/ClassDriver/RNDISEthernet/Lib/DHCP.h index 325fe0353..e2ba4fc65 100644 --- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/DHCP.h +++ b/Demos/Device/ClassDriver/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 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 -- cgit v1.2.3