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Diffstat (limited to 'drivers/net/skfp/h/sba.h')
-rw-r--r-- | drivers/net/skfp/h/sba.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/net/skfp/h/sba.h b/drivers/net/skfp/h/sba.h new file mode 100644 index 000000000000..df716cd5784a --- /dev/null +++ b/drivers/net/skfp/h/sba.h | |||
@@ -0,0 +1,142 @@ | |||
1 | /****************************************************************************** | ||
2 | * | ||
3 | * (C)Copyright 1998,1999 SysKonnect, | ||
4 | * a business unit of Schneider & Koch & Co. Datensysteme GmbH. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * The information in this file is provided "AS IS" without warranty. | ||
12 | * | ||
13 | ******************************************************************************/ | ||
14 | |||
15 | /* | ||
16 | * Synchronous Bandwith Allocation (SBA) structs | ||
17 | */ | ||
18 | |||
19 | #ifndef _SBA_ | ||
20 | #define _SBA_ | ||
21 | |||
22 | #include "h/mbuf.h" | ||
23 | #include "h/sba_def.h" | ||
24 | |||
25 | #ifdef SBA | ||
26 | |||
27 | /* Timer Cell Template */ | ||
28 | struct timer_cell { | ||
29 | struct timer_cell *next_ptr ; | ||
30 | struct timer_cell *prev_ptr ; | ||
31 | u_long start_time ; | ||
32 | struct s_sba_node_vars *node_var ; | ||
33 | } ; | ||
34 | |||
35 | /* | ||
36 | * Node variables | ||
37 | */ | ||
38 | struct s_sba_node_vars { | ||
39 | u_char change_resp_flag ; | ||
40 | u_char report_resp_flag ; | ||
41 | u_char change_req_flag ; | ||
42 | u_char report_req_flag ; | ||
43 | long change_amount ; | ||
44 | long node_overhead ; | ||
45 | long node_payload ; | ||
46 | u_long node_status ; | ||
47 | u_char deallocate_status ; | ||
48 | u_char timer_state ; | ||
49 | u_short report_cnt ; | ||
50 | long lastrep_req_tranid ; | ||
51 | struct fddi_addr mac_address ; | ||
52 | struct s_sba_sessions *node_sessions ; | ||
53 | struct timer_cell timer ; | ||
54 | } ; | ||
55 | |||
56 | /* | ||
57 | * Session variables | ||
58 | */ | ||
59 | struct s_sba_sessions { | ||
60 | u_long deallocate_status ; | ||
61 | long session_overhead ; | ||
62 | u_long min_segment_size ; | ||
63 | long session_payload ; | ||
64 | u_long session_status ; | ||
65 | u_long sba_category ; | ||
66 | long lastchg_req_tranid ; | ||
67 | u_short session_id ; | ||
68 | u_char class ; | ||
69 | u_char fddi2 ; | ||
70 | u_long max_t_neg ; | ||
71 | struct s_sba_sessions *next_session ; | ||
72 | } ; | ||
73 | |||
74 | struct s_sba { | ||
75 | |||
76 | struct s_sba_node_vars node[MAX_NODES] ; | ||
77 | struct s_sba_sessions session[MAX_SESSIONS] ; | ||
78 | |||
79 | struct s_sba_sessions *free_session ; /* points to the first */ | ||
80 | /* free session */ | ||
81 | |||
82 | struct timer_cell *tail_timer ; /* points to the last timer cell */ | ||
83 | |||
84 | /* | ||
85 | * variables for allocation actions | ||
86 | */ | ||
87 | long total_payload ; /* Total Payload */ | ||
88 | long total_overhead ; /* Total Overhead */ | ||
89 | long sba_allocatable ; /* allocatable sync bandwidth */ | ||
90 | |||
91 | /* | ||
92 | * RAF message receive parameters | ||
93 | */ | ||
94 | long msg_path_index ; /* Path Type */ | ||
95 | long msg_sba_pl_req ; /* Payload Request */ | ||
96 | long msg_sba_ov_req ; /* Overhead Request */ | ||
97 | long msg_mib_pl ; /* Current Payload for this Path */ | ||
98 | long msg_mib_ov ; /* Current Overhead for this Path*/ | ||
99 | long msg_category ; /* Category of the Allocation */ | ||
100 | u_long msg_max_t_neg ; /* longest T_Neg acceptable */ | ||
101 | u_long msg_min_seg_siz ; /* minimum segement size */ | ||
102 | struct smt_header *sm ; /* points to the rec message */ | ||
103 | struct fddi_addr *msg_alloc_addr ; /* Allocation Address */ | ||
104 | |||
105 | /* | ||
106 | * SBA variables | ||
107 | */ | ||
108 | u_long sba_t_neg ; /* holds the last T_NEG */ | ||
109 | long sba_max_alloc ; /* the parsed value of SBAAvailable */ | ||
110 | |||
111 | /* | ||
112 | * SBA state machine variables | ||
113 | */ | ||
114 | short sba_next_state ; /* the next state of the SBA */ | ||
115 | char sba_command ; /* holds the execuded SBA cmd */ | ||
116 | u_char sba_available ; /* parsed value after possible check */ | ||
117 | } ; | ||
118 | |||
119 | #endif /* SBA */ | ||
120 | |||
121 | /* | ||
122 | * variables for the End Station Support | ||
123 | */ | ||
124 | struct s_ess { | ||
125 | |||
126 | /* | ||
127 | * flags and counters | ||
128 | */ | ||
129 | u_char sync_bw_available ; /* is set if sync bw is allocated */ | ||
130 | u_char local_sba_active ; /* set when a local sba is available */ | ||
131 | char raf_act_timer_poll ; /* activate the timer to send allc req */ | ||
132 | char timer_count ; /* counts every timer function call */ | ||
133 | |||
134 | SMbuf *sba_reply_pend ; /* local reply for the sba is pending */ | ||
135 | |||
136 | /* | ||
137 | * variables for the ess bandwidth control | ||
138 | */ | ||
139 | long sync_bw ; /* holds the allocaed sync bw */ | ||
140 | u_long alloc_trans_id ; /* trans id of the last alloc req */ | ||
141 | } ; | ||
142 | #endif | ||