sd-dhcp: silently ignore malformed packets

[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 76621f541ba6160be50c64fb8bee4cc142fa9664..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,
@@ -104,6 +105,7 @@ enum {
         DHCP_OPTION_DOMAIN_NAME_SERVER          = 6,
         DHCP_OPTION_HOST_NAME                   = 12,
         DHCP_OPTION_DOMAIN_NAME                 = 15,
+        DHCP_OPTION_INTERFACE_MTU               = 26,
         DHCP_OPTION_NTP_SERVER                  = 42,
         DHCP_OPTION_REQUESTED_IP_ADDRESS        = 50,
         DHCP_OPTION_IP_ADDRESS_LEASE_TIME       = 51,