Merge branch 'pandora-27-omap1' into rev2
[pandora-kernel.git] / net / atm / lec_arpc.h
index 3974480..ec67435 100644 (file)
@@ -1,92 +1,96 @@
 /*
  * Lec arp cache
- * Marko Kiiskila mkiiskila@yahoo.com
  *
+ * Marko Kiiskila <mkiiskila@yahoo.com>
  */
-#ifndef _LEC_ARP_H
-#define _LEC_ARP_H
+#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 lec_arp_table *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 */
-        void (*old_close)(struct atm_vcc *vcc);
-                                             /* We want to see when this
-                                              * vcc gets closed */
-        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 */
+       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 */
 
-        u8  *tlvs;             /* LANE2: Each MAC address can have TLVs    */
-        u32 sizeoftlvs;        /* associated with it. sizeoftlvs tells the */
-                               /* the length of the tlvs array             */
-        struct sk_buff_head tx_wait; /* wait queue for outgoing packets    */
+       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 */
 };
 
-struct tlv {                   /* LANE2: Template tlv struct for accessing */
-                               /* the tlvs in the lec_arp_table->tlvs array*/
-        u32 type;
-        u8  length;
-        u8  value[255];
+/*
+ * 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.
-                              */
+#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
+#endif /* _LEC_ARP_H_ */