This header is needed for SJA11xx switch driver
Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
include/linux/if_vlan.h | 56 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 56 insertions(+)
create mode 100644 include/linux/if_vlan.h
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
new file mode 100644
index 0000000000..9e54685064
--- /dev/null
+++ b/include/linux/if_vlan.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * VLAN An implementation of 802.1Q VLAN tagging.
+ *
+ * Authors: Ben Greear <greearb@xxxxxxxxxxxxxxx>
+ */
+#ifndef _LINUX_IF_VLAN_H_
+#define _LINUX_IF_VLAN_H_
+
+#define VLAN_HLEN 4 /* The additional bytes required by VLAN
+ * (in addition to the Ethernet header)
+ */
+#define VLAN_ETH_HLEN 18 /* Total octets in header. */
+#define VLAN_ETH_ZLEN 64 /* Min. octets in frame sans FCS */
+
+/*
+ * According to 802.3ac, the packet can be 4 bytes longer. --Klika Jan
+ */
+#define VLAN_ETH_DATA_LEN 1500 /* Max. octets in payload */
+#define VLAN_ETH_FRAME_LEN 1518 /* Max. octets in frame sans FCS */
+
+#define VLAN_MAX_DEPTH 8 /* Max. number of nested VLAN tags parsed */
+
+/*
+ * struct vlan_hdr - vlan header
+ * @h_vlan_TCI: priority and VLAN ID
+ * @h_vlan_encapsulated_proto: packet type ID or len
+ */
+struct vlan_hdr {
+ __be16 h_vlan_TCI;
+ __be16 h_vlan_encapsulated_proto;
+};
+
+/**
+ * struct vlan_ethhdr - vlan ethernet header (ethhdr + vlan_hdr)
+ * @h_dest: destination ethernet address
+ * @h_source: source ethernet address
+ * @h_vlan_proto: ethernet protocol
+ * @h_vlan_TCI: priority and VLAN ID
+ * @h_vlan_encapsulated_proto: packet type ID or len
+ */
+struct vlan_ethhdr {
+ unsigned char h_dest[ETH_ALEN];
+ unsigned char h_source[ETH_ALEN];
+ __be16 h_vlan_proto;
+ __be16 h_vlan_TCI;
+ __be16 h_vlan_encapsulated_proto;
+};
+
+#define VLAN_PRIO_MASK 0xe000 /* Priority Code Point */
+#define VLAN_PRIO_SHIFT 13
+#define VLAN_CFI_MASK 0x1000 /* Canonical Format Indicator / Drop Eligible Indicator */
+#define VLAN_VID_MASK 0x0fff /* VLAN Identifier */
+#define VLAN_N_VID 4096
+
+#endif /* !(_LINUX_IF_VLAN_H_) */
--
2.30.2
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