diff options
Diffstat (limited to 'net/atm/lec_arpc.h')
| -rw-r--r-- | net/atm/lec_arpc.h | 146 |
1 files changed, 75 insertions, 71 deletions
diff --git a/net/atm/lec_arpc.h b/net/atm/lec_arpc.h index 39744809464..ec67435a40a 100644 --- a/net/atm/lec_arpc.h +++ b/net/atm/lec_arpc.h @@ -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_ */ |