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Diffstat (limited to 'networking/udhcp/arpping.h')
-rw-r--r--networking/udhcp/arpping.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/networking/udhcp/arpping.h b/networking/udhcp/arpping.h
index 99413aa..6cbd297 100644
--- a/networking/udhcp/arpping.h
+++ b/networking/udhcp/arpping.h
@@ -11,7 +11,12 @@
#include <netinet/in.h>
struct arpMsg {
- struct ethhdr ethhdr; /* Ethernet header */
+ /* Ethernet header */
+ u_char h_dest[6]; /* destination ether addr */
+ u_char h_source[6]; /* source ether addr */
+ u_short h_proto; /* packet type ID field */
+
+ /* ARP packet */
uint16_t htype; /* hardware type (must be ARPHRD_ETHER) */
uint16_t ptype; /* protocol type (must be ETH_P_IP) */
uint8_t hlen; /* hardware address length (must be 6) */
@@ -22,7 +27,7 @@ struct arpMsg {
uint8_t tHaddr[6]; /* target's hardware address */
uint8_t tInaddr[4]; /* target's IP address */
uint8_t pad[18]; /* pad for min. Ethernet payload (60 bytes) */
-};
+} __attribute__ ((packed));
/* function prototypes */
int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);