1 files changed, 109 insertions, 0 deletions

diff --git a/include/linux/if_tr.h b/include/linux/if_tr.h
new file mode 100644
index 000000000000..4fd451f81ccb
--- /dev/null
+++ b/include/linux/if_tr.h
@@ -0,0 +1,109 @@
+/*
+ * 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 the Token-Ring IEEE 802.5 interface.
+ *
+ * Version:     @(#)if_tr.h     0.0     07/11/94
+ *
+ * Author:      Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *              Donald Becker, <becker@super.org>
+ *    Peter De Schrijver, <stud11@cc4.kuleuven.ac.be>
+ *
+ *              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_TR_H
+#define _LINUX_IF_TR_H
+
+
+/* IEEE 802.5 Token-Ring magic constants.  The frame sizes omit the preamble
+   and FCS/CRC (frame check sequence). */
+#define TR_ALEN 6               /* Octets in one ethernet addr   */
+#define TR_HLEN   (sizeof(struct trh_hdr)+sizeof(struct trllc))
+#define AC                      0x10
+#define LLC_FRAME 0x40
+#if 0
+#define ETH_HLEN        14              /* Total octets in header.       */
+#define ETH_ZLEN        60              /* Min. octets in frame sans FCS */
+#define ETH_DATA_LEN    1500            /* Max. octets in payload        */
+#define ETH_FRAME_LEN   1514            /* Max. octets in frame sans FCS */
+#endif
+
+
+/* LLC and SNAP constants */
+#define EXTENDED_SAP 0xAA
+#define UI_CMD       0x03
+
+/* This is an Token-Ring frame header. */
+struct trh_hdr {
+        __u8  ac;                       /* access control field */
+        __u8  fc;                       /* frame control field */
+        __u8  daddr[TR_ALEN];           /* destination address */
+        __u8  saddr[TR_ALEN];           /* source address */
+        __u16 rcf;                      /* route control field */
+        __u16 rseg[8];                  /* routing registers */
+};
+
+#ifdef __KERNEL__
+#include <linux/skbuff.h>
+
+static inline struct trh_hdr *tr_hdr(const struct sk_buff *skb)
+{
+        return (struct trh_hdr *)skb->mac.raw;
+}
+#endif
+
+/* This is an Token-Ring LLC structure */
+struct trllc {
+        __u8  dsap;                     /* destination SAP */
+        __u8  ssap;                     /* source SAP */
+        __u8  llc;                      /* LLC control field */
+        __u8  protid[3];                /* protocol id */
+        __u16 ethertype;                /* ether type field */
+};
+
+/* Token-Ring statistics collection data. */
+struct tr_statistics {
+        unsigned long rx_packets;       /* total packets received       */
+        unsigned long tx_packets;       /* total packets transmitted    */
+        unsigned long rx_bytes;         /* total bytes received         */
+        unsigned long tx_bytes;         /* total bytes transmitted      */
+        unsigned long rx_errors;        /* bad packets received         */
+        unsigned long tx_errors;        /* packet transmit problems     */
+        unsigned long rx_dropped;       /* no space in linux buffers    */
+        unsigned long tx_dropped;       /* no space available in linux  */
+        unsigned long multicast;        /* multicast packets received   */
+        unsigned long transmit_collision;
+
+        /* detailed Token-Ring errors. See IBM Token-Ring Network
+           Architecture for more info */
+
+        unsigned long line_errors;
+        unsigned long internal_errors;
+        unsigned long burst_errors;
+        unsigned long A_C_errors;
+        unsigned long abort_delimiters;
+        unsigned long lost_frames;
+        unsigned long recv_congest_count;
+        unsigned long frame_copied_errors;
+        unsigned long frequency_errors;
+        unsigned long token_errors;
+        unsigned long dummy1;
+};
+
+/* source routing stuff */
+
+#define TR_RII 0x80
+#define TR_RCF_DIR_BIT 0x80
+#define TR_RCF_LEN_MASK 0x1f00
+#define TR_RCF_BROADCAST 0x8000         /* all-routes broadcast */
+#define TR_RCF_LIMITED_BROADCAST 0xC000 /* single-route broadcast */
+#define TR_RCF_FRAME2K 0x20
+#define TR_RCF_BROADCAST_MASK 0xC000
+#define TR_MAXRIFLEN 18
+
+#endif  /* _LINUX_IF_TR_H */