diff options
Diffstat (limited to 'include/net.h')
| -rw-r--r-- | include/net.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/net.h b/include/net.h index 5ee5929beb..25e7cbd279 100644 --- a/include/net.h +++ b/include/net.h @@ -296,7 +296,7 @@ struct ethernet_hdr { u8 et_dest[6]; /* Destination node */ u8 et_src[6]; /* Source node */ u16 et_protlen; /* Protocol or length */ -}; +} __attribute__((packed)); /* Ethernet header size */ #define ETHER_HDR_SIZE (sizeof(struct ethernet_hdr)) @@ -314,7 +314,7 @@ struct e802_hdr { u8 et_snap2; u8 et_snap3; u16 et_prot; /* 802 protocol */ -}; +} __attribute__((packed)); /* 802 + SNAP + ethernet header size */ #define E802_HDR_SIZE (sizeof(struct e802_hdr)) @@ -328,7 +328,7 @@ struct vlan_ethernet_hdr { u16 vet_vlan_type; /* PROT_VLAN */ u16 vet_tag; /* TAG of VLAN */ u16 vet_type; /* protocol type */ -}; +} __attribute__((packed)); /* VLAN Ethernet header size */ #define VLAN_ETHER_HDR_SIZE (sizeof(struct vlan_ethernet_hdr)) @@ -357,7 +357,7 @@ struct ip_hdr { u16 ip_sum; /* checksum */ struct in_addr ip_src; /* Source IP address */ struct in_addr ip_dst; /* Destination IP address */ -}; +} __attribute__((packed)); #define IP_OFFS 0x1fff /* ip offset *= 8 */ #define IP_FLAGS 0xe000 /* first 3 bits */ @@ -385,7 +385,7 @@ struct ip_udp_hdr { u16 udp_dst; /* UDP destination port */ u16 udp_len; /* Length of UDP packet */ u16 udp_xsum; /* Checksum */ -}; +} __attribute__((packed)); #define IP_UDP_HDR_SIZE (sizeof(struct ip_udp_hdr)) #define UDP_HDR_SIZE (IP_UDP_HDR_SIZE - IP_HDR_SIZE) @@ -424,7 +424,7 @@ struct arp_hdr { u8 ar_tha[]; /* Target hardware address */ u8 ar_tpa[]; /* Target protocol address */ #endif /* 0 */ -}; +} __attribute__((packed)); #define ARP_HDR_SIZE (8+20) /* Size assuming ethernet */ @@ -459,7 +459,7 @@ struct icmp_hdr { } frag; u8 data[0]; } un; -}; +} __attribute__((packed)); #define ICMP_HDR_SIZE (sizeof(struct icmp_hdr)) #define IP_ICMP_HDR_SIZE (IP_HDR_SIZE + ICMP_HDR_SIZE) |
