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-rw-r--r--networking/udhcp/common.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h
index 179c21f..4f2d31c 100644
--- a/networking/udhcp/common.h
+++ b/networking/udhcp/common.h
@@ -38,12 +38,18 @@ struct dhcpMessage {
uint8_t file[128];
uint32_t cookie;
uint8_t options[308]; /* 312 - cookie */
-};
+} ATTRIBUTE_PACKED;
struct udp_dhcp_packet {
struct iphdr ip;
struct udphdr udp;
struct dhcpMessage data;
+} ATTRIBUTE_PACKED;
+
+/* Let's see whether compiler understood us right */
+struct BUG_bad_sizeof_struct_udp_dhcp_packet {
+ char BUG_bad_sizeof_struct_udp_dhcp_packet
+ [sizeof(struct udp_dhcp_packet) != 576 ? -1 : 1];
};
void udhcp_init_header(struct dhcpMessage *packet, char type);