1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /****************************************************************************** 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * (C)Copyright 1998,1999 SysKonnect, 5*4882a593Smuzhiyun * a business unit of Schneider & Koch & Co. Datensysteme GmbH. 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * The information in this file is provided "AS IS" without warranty. 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun ******************************************************************************/ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* 12*4882a593Smuzhiyun * Synchronous Bandwidth Allocation (SBA) structs 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #ifndef _SBA_ 16*4882a593Smuzhiyun #define _SBA_ 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #include "mbuf.h" 19*4882a593Smuzhiyun #include "sba_def.h" 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #ifdef SBA 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* Timer Cell Template */ 24*4882a593Smuzhiyun struct timer_cell { 25*4882a593Smuzhiyun struct timer_cell *next_ptr ; 26*4882a593Smuzhiyun struct timer_cell *prev_ptr ; 27*4882a593Smuzhiyun u_long start_time ; 28*4882a593Smuzhiyun struct s_sba_node_vars *node_var ; 29*4882a593Smuzhiyun } ; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun /* 32*4882a593Smuzhiyun * Node variables 33*4882a593Smuzhiyun */ 34*4882a593Smuzhiyun struct s_sba_node_vars { 35*4882a593Smuzhiyun u_char change_resp_flag ; 36*4882a593Smuzhiyun u_char report_resp_flag ; 37*4882a593Smuzhiyun u_char change_req_flag ; 38*4882a593Smuzhiyun u_char report_req_flag ; 39*4882a593Smuzhiyun long change_amount ; 40*4882a593Smuzhiyun long node_overhead ; 41*4882a593Smuzhiyun long node_payload ; 42*4882a593Smuzhiyun u_long node_status ; 43*4882a593Smuzhiyun u_char deallocate_status ; 44*4882a593Smuzhiyun u_char timer_state ; 45*4882a593Smuzhiyun u_short report_cnt ; 46*4882a593Smuzhiyun long lastrep_req_tranid ; 47*4882a593Smuzhiyun struct fddi_addr mac_address ; 48*4882a593Smuzhiyun struct s_sba_sessions *node_sessions ; 49*4882a593Smuzhiyun struct timer_cell timer ; 50*4882a593Smuzhiyun } ; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun /* 53*4882a593Smuzhiyun * Session variables 54*4882a593Smuzhiyun */ 55*4882a593Smuzhiyun struct s_sba_sessions { 56*4882a593Smuzhiyun u_long deallocate_status ; 57*4882a593Smuzhiyun long session_overhead ; 58*4882a593Smuzhiyun u_long min_segment_size ; 59*4882a593Smuzhiyun long session_payload ; 60*4882a593Smuzhiyun u_long session_status ; 61*4882a593Smuzhiyun u_long sba_category ; 62*4882a593Smuzhiyun long lastchg_req_tranid ; 63*4882a593Smuzhiyun u_short session_id ; 64*4882a593Smuzhiyun u_char class ; 65*4882a593Smuzhiyun u_char fddi2 ; 66*4882a593Smuzhiyun u_long max_t_neg ; 67*4882a593Smuzhiyun struct s_sba_sessions *next_session ; 68*4882a593Smuzhiyun } ; 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun struct s_sba { 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun struct s_sba_node_vars node[MAX_NODES] ; 73*4882a593Smuzhiyun struct s_sba_sessions session[MAX_SESSIONS] ; 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun struct s_sba_sessions *free_session ; /* points to the first */ 76*4882a593Smuzhiyun /* free session */ 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun struct timer_cell *tail_timer ; /* points to the last timer cell */ 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun /* 81*4882a593Smuzhiyun * variables for allocation actions 82*4882a593Smuzhiyun */ 83*4882a593Smuzhiyun long total_payload ; /* Total Payload */ 84*4882a593Smuzhiyun long total_overhead ; /* Total Overhead */ 85*4882a593Smuzhiyun long sba_allocatable ; /* allocatable sync bandwidth */ 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun /* 88*4882a593Smuzhiyun * RAF message receive parameters 89*4882a593Smuzhiyun */ 90*4882a593Smuzhiyun long msg_path_index ; /* Path Type */ 91*4882a593Smuzhiyun long msg_sba_pl_req ; /* Payload Request */ 92*4882a593Smuzhiyun long msg_sba_ov_req ; /* Overhead Request */ 93*4882a593Smuzhiyun long msg_mib_pl ; /* Current Payload for this Path */ 94*4882a593Smuzhiyun long msg_mib_ov ; /* Current Overhead for this Path*/ 95*4882a593Smuzhiyun long msg_category ; /* Category of the Allocation */ 96*4882a593Smuzhiyun u_long msg_max_t_neg ; /* longest T_Neg acceptable */ 97*4882a593Smuzhiyun u_long msg_min_seg_siz ; /* minimum segement size */ 98*4882a593Smuzhiyun struct smt_header *sm ; /* points to the rec message */ 99*4882a593Smuzhiyun struct fddi_addr *msg_alloc_addr ; /* Allocation Address */ 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun /* 102*4882a593Smuzhiyun * SBA variables 103*4882a593Smuzhiyun */ 104*4882a593Smuzhiyun u_long sba_t_neg ; /* holds the last T_NEG */ 105*4882a593Smuzhiyun long sba_max_alloc ; /* the parsed value of SBAAvailable */ 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun /* 108*4882a593Smuzhiyun * SBA state machine variables 109*4882a593Smuzhiyun */ 110*4882a593Smuzhiyun short sba_next_state ; /* the next state of the SBA */ 111*4882a593Smuzhiyun char sba_command ; /* holds the execuded SBA cmd */ 112*4882a593Smuzhiyun u_char sba_available ; /* parsed value after possible check */ 113*4882a593Smuzhiyun } ; 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun #endif /* SBA */ 116*4882a593Smuzhiyun 117*4882a593Smuzhiyun /* 118*4882a593Smuzhiyun * variables for the End Station Support 119*4882a593Smuzhiyun */ 120*4882a593Smuzhiyun struct s_ess { 121*4882a593Smuzhiyun 122*4882a593Smuzhiyun /* 123*4882a593Smuzhiyun * flags and counters 124*4882a593Smuzhiyun */ 125*4882a593Smuzhiyun u_char sync_bw_available ; /* is set if sync bw is allocated */ 126*4882a593Smuzhiyun u_char local_sba_active ; /* set when a local sba is available */ 127*4882a593Smuzhiyun char raf_act_timer_poll ; /* activate the timer to send allc req */ 128*4882a593Smuzhiyun char timer_count ; /* counts every timer function call */ 129*4882a593Smuzhiyun 130*4882a593Smuzhiyun SMbuf *sba_reply_pend ; /* local reply for the sba is pending */ 131*4882a593Smuzhiyun 132*4882a593Smuzhiyun /* 133*4882a593Smuzhiyun * variables for the ess bandwidth control 134*4882a593Smuzhiyun */ 135*4882a593Smuzhiyun long sync_bw ; /* holds the allocaed sync bw */ 136*4882a593Smuzhiyun u_long alloc_trans_id ; /* trans id of the last alloc req */ 137*4882a593Smuzhiyun } ; 138*4882a593Smuzhiyun #endif 139