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Diffstat (limited to '')
| -rw-r--r-- | include/uapi/linux/if_fc.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/uapi/linux/if_fc.h b/include/uapi/linux/if_fc.h new file mode 100644 index 000000000..3e3173282 --- /dev/null +++ b/include/uapi/linux/if_fc.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * 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 */ |