Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / net / atm / lec_arpc.h

diff --git a/kernel/net/atm/lec_arpc.h b/kernel/net/atm/lec_arpc.h
new file mode 100644 (file)
index 0000000..ec67435
--- /dev/null
+++ b/kernel/net/atm/lec_arpc.h
@@ -0,0 +1,96 @@
+/*
+ * Lec arp cache
+ *
+ * Marko Kiiskila <mkiiskila@yahoo.com>
+ */
+#ifndef _LEC_ARP_H_
+#define _LEC_ARP_H_
+#include <linux/atm.h>
+#include <linux/atmdev.h>
+#include <linux/if_ether.h>
+#include <linux/atmlec.h>
+
+struct lec_arp_table {
+       struct hlist_node next;         /* Linked entry list */
+       unsigned char atm_addr[ATM_ESA_LEN];    /* Atm address */
+       unsigned char mac_addr[ETH_ALEN];       /* Mac address */
+       int is_rdesc;                   /* Mac address is a route descriptor */
+       struct atm_vcc *vcc;            /* Vcc this entry is attached */
+       struct atm_vcc *recv_vcc;       /* Vcc we receive data from */
+
+       void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb);
+                                       /* Push that leads to daemon */
+
+       void (*old_recv_push) (struct atm_vcc *vcc, struct sk_buff *skb);
+                                       /* Push that leads to daemon */
+
+       unsigned long last_used;        /* For expiry */
+       unsigned long timestamp;        /* Used for various timestamping things:
+                                        * 1. FLUSH started
+                                        *    (status=ESI_FLUSH_PENDING)
+                                        * 2. Counting to
+                                        *    max_unknown_frame_time
+                                        *    (status=ESI_ARP_PENDING||
+                                        *     status=ESI_VC_PENDING)
+                                        */
+       unsigned char no_tries;         /* No of times arp retry has been tried */
+       unsigned char status;           /* Status of this entry */
+       unsigned short flags;           /* Flags for this entry */
+       unsigned short packets_flooded; /* Data packets flooded */
+       unsigned long flush_tran_id;    /* Transaction id in flush protocol */
+       struct timer_list timer;        /* Arping timer */
+       struct lec_priv *priv;          /* Pointer back */
+       u8 *tlvs;
+       u32 sizeoftlvs;                 /*
+                                        * LANE2: Each MAC address can have TLVs
+                                        * associated with it.  sizeoftlvs tells the
+                                        * the length of the tlvs array
+                                        */
+       struct sk_buff_head tx_wait;    /* wait queue for outgoing packets */
+       atomic_t usage;                 /* usage count */
+};
+
+/*
+ * LANE2: Template tlv struct for accessing
+ * the tlvs in the lec_arp_table->tlvs array
+ */
+struct tlv {
+       u32 type;
+       u8 length;
+       u8 value[255];
+};
+
+/* Status fields */
+#define ESI_UNKNOWN 0          /*
+                                * Next packet sent to this mac address
+                                * causes ARP-request to be sent
+                                */
+#define ESI_ARP_PENDING 1      /*
+                                * There is no ATM address associated with this
+                                * 48-bit address.  The LE-ARP protocol is in
+                                * progress.
+                                */
+#define ESI_VC_PENDING 2       /*
+                                * There is a valid ATM address associated with
+                                * this 48-bit address but there is no VC set
+                                * up to that ATM address.  The signaling
+                                * protocol is in process.
+                                */
+#define ESI_FLUSH_PENDING 4    /*
+                                * The LEC has been notified of the FLUSH_START
+                                * status and it is assumed that the flush
+                                * protocol is in process.
+                                */
+#define ESI_FORWARD_DIRECT 5   /*
+                                * Either the Path Switching Delay (C22) has
+                                * elapsed or the LEC has notified the Mapping
+                                * that the flush protocol has completed.  In
+                                * either case, it is safe to forward packets
+                                * to this address via the data direct VC.
+                                */
+
+/* Flag values */
+#define LEC_REMOTE_FLAG      0x0001
+#define LEC_PERMANENT_FLAG   0x0002
+
+#endif /* _LEC_ARP_H_ */