diff options
| -rw-r--r-- | networking/udhcp/arpping.c | 6 | ||||
| -rw-r--r-- | networking/udhcp/arpping.h | 9 |
2 files changed, 10 insertions, 5 deletions
diff --git a/networking/udhcp/arpping.c b/networking/udhcp/arpping.c index f2e3768..23c7d46 100644 --- a/networking/udhcp/arpping.c +++ b/networking/udhcp/arpping.c @@ -60,9 +60,9 @@ int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *mac, char *interface) /* send arp request */ memset(&arp, 0, sizeof(arp)); - memcpy(arp.ethhdr.h_dest, MAC_BCAST_ADDR, 6); /* MAC DA */ - memcpy(arp.ethhdr.h_source, mac, 6); /* MAC SA */ - arp.ethhdr.h_proto = htons(ETH_P_ARP); /* protocol type (Ethernet) */ + memcpy(arp.h_dest, MAC_BCAST_ADDR, 6); /* MAC DA */ + memcpy(arp.h_source, mac, 6); /* MAC SA */ + arp.h_proto = htons(ETH_P_ARP); /* protocol type (Ethernet) */ arp.htype = htons(ARPHRD_ETHER); /* hardware type */ arp.ptype = htons(ETH_P_IP); /* protocol type (ARP message) */ arp.hlen = 6; /* hardware address length */ 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); |