summaryrefslogtreecommitdiff
path: root/include/uapi/linux/if_fc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/if_fc.h')
-rw-r--r--include/uapi/linux/if_fc.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/uapi/linux/if_fc.h b/include/uapi/linux/if_fc.h
new file mode 100644
index 000000000000..6ed7f1bf35c8
--- /dev/null
+++ b/include/uapi/linux/if_fc.h
@@ -0,0 +1,51 @@
+/*
+ * INET An implementation of the TCP/IP protocol suite for the LINUX
+ * operating system. INET is implemented using the BSD Socket
+ * interface as the means of communication with the user level.
+ *
+ * Global definitions for Fibre Channel.
+ *
+ * Version: @(#)if_fc.h 0.0 11/20/98
+ *
+ * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ * Donald Becker, <becker@super.org>
+ * Peter De Schrijver, <stud11@cc4.kuleuven.ac.be>
+ * Vineet Abraham, <vma@iol.unh.edu>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _LINUX_IF_FC_H
+#define _LINUX_IF_FC_H
+
+#include <linux/types.h>
+
+#define FC_ALEN 6 /* Octets in one ethernet addr */
+#define FC_HLEN (sizeof(struct fch_hdr)+sizeof(struct fcllc))
+#define FC_ID_LEN 3 /* Octets in a Fibre Channel Address */
+
+/* LLC and SNAP constants */
+#define EXTENDED_SAP 0xAA
+#define UI_CMD 0x03
+
+/* This is NOT the Fibre Channel frame header. The FC frame header is
+ * constructed in the driver as the Tachyon needs certain fields in
+ * certains positions. So, it can't be generalized here.*/
+
+struct fch_hdr {
+ __u8 daddr[FC_ALEN]; /* destination address */
+ __u8 saddr[FC_ALEN]; /* source address */
+};
+
+/* This is a Fibre Channel LLC structure */
+struct fcllc {
+ __u8 dsap; /* destination SAP */
+ __u8 ssap; /* source SAP */
+ __u8 llc; /* LLC control field */
+ __u8 protid[3]; /* protocol id */
+ __be16 ethertype; /* ether type field */
+};
+
+#endif /* _LINUX_IF_FC_H */