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-rw-r--r--package/broadcom-57xx/src/proto/vlan.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/package/broadcom-57xx/src/proto/vlan.h b/package/broadcom-57xx/src/proto/vlan.h
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+++ b/package/broadcom-57xx/src/proto/vlan.h
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+/*
+ * 802.1Q VLAN protocol definitions
+ *
+ * Copyright 2007, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id: vlan.h,v 1.1.1.4 2007/05/31 08:00:41 michael Exp $
+ */
+
+#ifndef _vlan_h_
+#define _vlan_h_
+
+/* enable structure packing */
+#if defined(__GNUC__)
+#define PACKED __attribute__((packed))
+#else
+#pragma pack(1)
+#define PACKED
+#endif
+
+#define VLAN_VID_MASK 0xfff /* low 12 bits are vlan id */
+#define VLAN_CFI_SHIFT 12 /* canonical format indicator bit */
+#define VLAN_PRI_SHIFT 13 /* user priority */
+
+#define VLAN_PRI_MASK 7 /* 3 bits of priority */
+
+#define VLAN_TAG_LEN 4
+#define VLAN_TAG_OFFSET (2 * ETHER_ADDR_LEN) /* offset in Ethernet II packet only */
+
+#define VLAN_TPID 0x8100 /* VLAN ethertype/Tag Protocol ID */
+
+struct ethervlan_header {
+ uint8 ether_dhost[ETHER_ADDR_LEN];
+ uint8 ether_shost[ETHER_ADDR_LEN];
+ uint16 vlan_type; /* 0x8100 */
+ uint16 vlan_tag; /* priority, cfi and vid */
+ uint16 ether_type;
+};
+
+#define ETHERVLAN_HDR_LEN (ETHER_HDR_LEN + VLAN_TAG_LEN)
+
+#undef PACKED
+#if !defined(__GNUC__)
+#pragma pack()
+#endif
+
+#endif /* _vlan_h_ */