Changeset 87e5658c in mainline for uspace/srv/ethip/std.h

Timestamp:

2012-02-27T00:03:26Z (12 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

962f03b

Parents:

081971b

Message:

Prototype ARP responder.

File:

• uspace/srv/ethip/std.h (modified) (1 diff)

uspace/srv/ethip/std.h

@@ -40 +40 @@
 #include <sys/types.h>
 
+#define ETH_ADDR_SIZE 6
+#define IPV4_ADDR_SIZE 4
+#define ETH_FRAME_MIN_SIZE 60
+
 /** Ethernet frame header */
 typedef struct {
         /** Destination Address */
-        uint8_t dest[6];
+        uint8_t dest[ETH_ADDR_SIZE];
         /** Source Address */
-        uint8_t src[6];
+        uint8_t src[ETH_ADDR_SIZE];
         /** Ethertype or Length */
         uint16_t etype_len;
 } eth_header_t;
 
+/** ARP packet format (for 48-bit MAC addresses and IPv4) */
+typedef struct {
+        /** Hardware address space */
+        uint16_t hw_addr_space;
+        /** Protocol address space */
+        uint16_t proto_addr_space;
+        /** Hardware address size */
+        uint8_t hw_addr_size;
+        /** Protocol address size */
+        uint8_t proto_addr_size;
+        /** Opcode */
+        uint16_t opcode;
+        /** Sender hardware address */
+        uint8_t sender_hw_addr[ETH_ADDR_SIZE];
+        /** Sender protocol address */
+        uint32_t sender_proto_addr;
+        /** Target hardware address */
+        uint8_t target_hw_addr[ETH_ADDR_SIZE];
+        /** Target protocol address */
+        uint32_t target_proto_addr;
+} __attribute__((packed)) arp_eth_packet_fmt_t;
+
+enum arp_opcode_fmt {
+        AOP_REQUEST = 1,
+        AOP_REPLY   = 2
+};
+
+enum arp_hw_addr_space {
+        AHRD_ETHERNET = 1
+};
+
 /** IP Ethertype */
-#define ETYPE_IP        0x0800
+enum ether_type {
+        ETYPE_ARP = 0x0806,
+        ETYPE_IP  = 0x0800
+};
 
-#define ETH_FRAME_MIN_SIZE 60
 
 #endif