/* * Lec arp cache * * Marko Kiiskila */ #ifndef _LEC_ARP_H_ #define _LEC_ARP_H_ #include #include #include #include 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_ */ emove&id=cadb9c9fdbc6a624d57b5ecdfd412b5800848703'>net/unix/Kconfig

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