sd-dhcp: minimum options size is part of the protocol

[elogind.git] / src / libsystemd-dhcp / dhcp-protocol.h

diff --git a/src/libsystemd-dhcp/dhcp-protocol.h b/src/libsystemd-dhcp/dhcp-protocol.h
index abdfe8d54b8965308a6261b07c79b88464741c71..81d36cef2793dda1b968f3fc53df893188a47323 100644 (file)
--- a/src/libsystemd-dhcp/dhcp-protocol.h
+++ b/src/libsystemd-dhcp/dhcp-protocol.h
@@ -58,6 +58,7 @@ typedef struct DHCPPacket DHCPPacket;
 #define DHCP_IP_SIZE            (int32_t)(sizeof(struct iphdr))
 #define DHCP_IP_UDP_SIZE        (int32_t)(sizeof(struct udphdr) + DHCP_IP_SIZE)
 #define DHCP_MESSAGE_SIZE       (int32_t)(sizeof(DHCPMessage))
+#define DHCP_MIN_OPTIONS_SIZE   312
 
 enum {
         DHCP_PORT_SERVER                        = 67,