diff options
Diffstat (limited to 'net/atm/lec_arpc.h')
| -rw-r--r-- | net/atm/lec_arpc.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/net/atm/lec_arpc.h b/net/atm/lec_arpc.h new file mode 100644 index 00000000000..39744809464 --- /dev/null +++ b/net/atm/lec_arpc.h @@ -0,0 +1,92 @@ +/* + * 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 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 */ + + 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 */ +}; + +struct tlv { /* LANE2: Template tlv struct for accessing */ + /* the tlvs in the lec_arp_table->tlvs array*/ + 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 |