diff options
Diffstat (limited to 'net/atm/lec_arpc.h')
-rw-r--r-- | net/atm/lec_arpc.h | 148 |
1 files changed, 77 insertions, 71 deletions
diff --git a/net/atm/lec_arpc.h b/net/atm/lec_arpc.h index 397448094648..0230ca148c77 100644 --- a/net/atm/lec_arpc.h +++ b/net/atm/lec_arpc.h | |||
@@ -1,92 +1,98 @@ | |||
1 | /* | 1 | /* |
2 | * Lec arp cache | 2 | * Lec arp cache |
3 | * Marko Kiiskila mkiiskila@yahoo.com | ||
4 | * | 3 | * |
4 | * Marko Kiiskila <mkiiskila@yahoo.com> | ||
5 | */ | 5 | */ |
6 | #ifndef _LEC_ARP_H | 6 | #ifndef _LEC_ARP_H_ |
7 | #define _LEC_ARP_H | 7 | #define _LEC_ARP_H_ |
8 | #include <linux/atm.h> | 8 | #include <linux/atm.h> |
9 | #include <linux/atmdev.h> | 9 | #include <linux/atmdev.h> |
10 | #include <linux/if_ether.h> | 10 | #include <linux/if_ether.h> |
11 | #include <linux/atmlec.h> | 11 | #include <linux/atmlec.h> |
12 | 12 | ||
13 | struct lec_arp_table { | 13 | struct lec_arp_table { |
14 | struct lec_arp_table *next; /* Linked entry list */ | 14 | struct lec_arp_table *next; /* Linked entry list */ |
15 | unsigned char atm_addr[ATM_ESA_LEN]; /* Atm address */ | 15 | unsigned char atm_addr[ATM_ESA_LEN]; /* Atm address */ |
16 | unsigned char mac_addr[ETH_ALEN]; /* Mac address */ | 16 | unsigned char mac_addr[ETH_ALEN]; /* Mac address */ |
17 | int is_rdesc; /* Mac address is a route descriptor */ | 17 | int is_rdesc; /* Mac address is a route descriptor */ |
18 | struct atm_vcc *vcc; /* Vcc this entry is attached */ | 18 | struct atm_vcc *vcc; /* Vcc this entry is attached */ |
19 | struct atm_vcc *recv_vcc; /* Vcc we receive data from */ | 19 | struct atm_vcc *recv_vcc; /* Vcc we receive data from */ |
20 | void (*old_push)(struct atm_vcc *vcc,struct sk_buff *skb); | ||
21 | /* Push that leads to daemon */ | ||
22 | void (*old_recv_push)(struct atm_vcc *vcc, struct sk_buff *skb); | ||
23 | /* Push that leads to daemon */ | ||
24 | void (*old_close)(struct atm_vcc *vcc); | ||
25 | /* We want to see when this | ||
26 | * vcc gets closed */ | ||
27 | unsigned long last_used; /* For expiry */ | ||
28 | unsigned long timestamp; /* Used for various timestamping | ||
29 | * things: | ||
30 | * 1. FLUSH started | ||
31 | * (status=ESI_FLUSH_PENDING) | ||
32 | * 2. Counting to | ||
33 | * max_unknown_frame_time | ||
34 | * (status=ESI_ARP_PENDING|| | ||
35 | * status=ESI_VC_PENDING) | ||
36 | */ | ||
37 | unsigned char no_tries; /* No of times arp retry has been | ||
38 | tried */ | ||
39 | unsigned char status; /* Status of this entry */ | ||
40 | unsigned short flags; /* Flags for this entry */ | ||
41 | unsigned short packets_flooded; /* Data packets flooded */ | ||
42 | unsigned long flush_tran_id; /* Transaction id in flush protocol */ | ||
43 | struct timer_list timer; /* Arping timer */ | ||
44 | struct lec_priv *priv; /* Pointer back */ | ||
45 | 20 | ||
46 | u8 *tlvs; /* LANE2: Each MAC address can have TLVs */ | 21 | void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb); |
47 | u32 sizeoftlvs; /* associated with it. sizeoftlvs tells the */ | 22 | /* Push that leads to daemon */ |
48 | /* the length of the tlvs array */ | 23 | |
49 | struct sk_buff_head tx_wait; /* wait queue for outgoing packets */ | 24 | void (*old_recv_push) (struct atm_vcc *vcc, struct sk_buff *skb); |
25 | /* Push that leads to daemon */ | ||
26 | |||
27 | void (*old_close) (struct atm_vcc *vcc); | ||
28 | /* We want to see when this vcc gets closed */ | ||
29 | |||
30 | unsigned long last_used; /* For expiry */ | ||
31 | unsigned long timestamp; /* Used for various timestamping things: | ||
32 | * 1. FLUSH started | ||
33 | * (status=ESI_FLUSH_PENDING) | ||
34 | * 2. Counting to | ||
35 | * max_unknown_frame_time | ||
36 | * (status=ESI_ARP_PENDING|| | ||
37 | * status=ESI_VC_PENDING) | ||
38 | */ | ||
39 | unsigned char no_tries; /* No of times arp retry has been tried */ | ||
40 | unsigned char status; /* Status of this entry */ | ||
41 | unsigned short flags; /* Flags for this entry */ | ||
42 | unsigned short packets_flooded; /* Data packets flooded */ | ||
43 | unsigned long flush_tran_id; /* Transaction id in flush protocol */ | ||
44 | struct timer_list timer; /* Arping timer */ | ||
45 | struct lec_priv *priv; /* Pointer back */ | ||
46 | u8 *tlvs; | ||
47 | u32 sizeoftlvs; /* | ||
48 | * LANE2: Each MAC address can have TLVs | ||
49 | * associated with it. sizeoftlvs tells the | ||
50 | * the length of the tlvs array | ||
51 | */ | ||
52 | struct sk_buff_head tx_wait; /* wait queue for outgoing packets */ | ||
50 | }; | 53 | }; |
51 | 54 | ||
52 | struct tlv { /* LANE2: Template tlv struct for accessing */ | 55 | /* |
53 | /* the tlvs in the lec_arp_table->tlvs array*/ | 56 | * LANE2: Template tlv struct for accessing |
54 | u32 type; | 57 | * the tlvs in the lec_arp_table->tlvs array |
55 | u8 length; | 58 | */ |
56 | u8 value[255]; | 59 | struct tlv { |
60 | u32 type; | ||
61 | u8 length; | ||
62 | u8 value[255]; | ||
57 | }; | 63 | }; |
58 | 64 | ||
59 | /* Status fields */ | 65 | /* Status fields */ |
60 | #define ESI_UNKNOWN 0 /* | 66 | #define ESI_UNKNOWN 0 /* |
61 | * Next packet sent to this mac address | 67 | * Next packet sent to this mac address |
62 | * causes ARP-request to be sent | 68 | * causes ARP-request to be sent |
63 | */ | 69 | */ |
64 | #define ESI_ARP_PENDING 1 /* | 70 | #define ESI_ARP_PENDING 1 /* |
65 | * There is no ATM address associated with this | 71 | * There is no ATM address associated with this |
66 | * 48-bit address. The LE-ARP protocol is in | 72 | * 48-bit address. The LE-ARP protocol is in |
67 | * progress. | 73 | * progress. |
68 | */ | 74 | */ |
69 | #define ESI_VC_PENDING 2 /* | 75 | #define ESI_VC_PENDING 2 /* |
70 | * There is a valid ATM address associated with | 76 | * There is a valid ATM address associated with |
71 | * this 48-bit address but there is no VC set | 77 | * this 48-bit address but there is no VC set |
72 | * up to that ATM address. The signaling | 78 | * up to that ATM address. The signaling |
73 | * protocol is in process. | 79 | * protocol is in process. |
74 | */ | 80 | */ |
75 | #define ESI_FLUSH_PENDING 4 /* | 81 | #define ESI_FLUSH_PENDING 4 /* |
76 | * The LEC has been notified of the FLUSH_START | 82 | * The LEC has been notified of the FLUSH_START |
77 | * status and it is assumed that the flush | 83 | * status and it is assumed that the flush |
78 | * protocol is in process. | 84 | * protocol is in process. |
79 | */ | 85 | */ |
80 | #define ESI_FORWARD_DIRECT 5 /* | 86 | #define ESI_FORWARD_DIRECT 5 /* |
81 | * Either the Path Switching Delay (C22) has | 87 | * Either the Path Switching Delay (C22) has |
82 | * elapsed or the LEC has notified the Mapping | 88 | * elapsed or the LEC has notified the Mapping |
83 | * that the flush protocol has completed. In | 89 | * that the flush protocol has completed. In |
84 | * either case, it is safe to forward packets | 90 | * either case, it is safe to forward packets |
85 | * to this address via the data direct VC. | 91 | * to this address via the data direct VC. |
86 | */ | 92 | */ |
87 | 93 | ||
88 | /* Flag values */ | 94 | /* Flag values */ |
89 | #define LEC_REMOTE_FLAG 0x0001 | 95 | #define LEC_REMOTE_FLAG 0x0001 |
90 | #define LEC_PERMANENT_FLAG 0x0002 | 96 | #define LEC_PERMANENT_FLAG 0x0002 |
91 | 97 | ||
92 | #endif | 98 | #endif /* _LEC_ARP_H_ */ |