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-rw-r--r--include/net/ethernet.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/net/ethernet.h b/include/net/ethernet.h
new file mode 100644
index 00000000..a536502d
--- /dev/null
+++ b/include/net/ethernet.h
@@ -0,0 +1,47 @@
+#ifndef __NET_ETHERNET_H
+#define __NET_ETHERNET_H 1
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <netinet/if_ether.h>
+
+struct ether_addr {
+ uint8_t ether_addr_octet[ETH_ALEN];
+};
+
+struct ether_header {
+ uint8_t ether_dhost[ETH_ALEN];
+ uint8_t ether_shost[ETH_ALEN];
+ uint16_t ether_type;
+};
+
+#define ETHERTYPE_PUP 0x0200
+#define ETHERTYPE_SPRITE 0x0500
+#define ETHERTYPE_IP 0x0800
+#define ETHERTYPE_ARP 0x0806
+#define ETHERTYPE_REVARP 0x8035
+#define ETHERTYPE_AT 0x809B
+#define ETHERTYPE_AARP 0x80F3
+#define ETHERTYPE_VLAN 0x8100
+#define ETHERTYPE_IPX 0x8137
+#define ETHERTYPE_IPV6 0x86dd
+#define ETHERTYPE_LOOPBACK 0x9000
+
+
+#define ETHER_ADDR_LEN ETH_ALEN
+#define ETHER_TYPE_LEN 2
+#define ETHER_CRC_LEN 4
+#define ETHER_HDR_LEN ETH_HLEN
+#define ETHER_MIN_LEN (ETH_ZLEN + ETHER_CRC_LEN)
+#define ETHER_MAX_LEN (ETH_FRAME_LEN + ETHER_CRC_LEN)
+
+#define ETHER_IS_VALID_LEN(foo) \
+ ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
+
+#define ETHERTYPE_TRAIL 0x1000
+#define ETHERTYPE_NTRAILER 16
+
+#define ETHERMTU ETH_DATA_LEN
+#define ETHERMIN (ETHER_MIN_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
+
+#endif