static void ess_send_response(struct s_smc *smc, struct smt_header *sm,
int sba_cmd)
{
struct smt_sba_chg *chg ;
SMbuf *mb ;
void *p ;
if (sba_cmd == CHANGE_ALLOCATION) {
if (!(mb=smt_build_frame(smc,SMT_RAF,SMT_REPLY,
sizeof(struct smt_sba_chg))))
return ;
}
else {
if (!(mb=smt_build_frame(smc,SMT_RAF,SMT_REPLY,
sizeof(struct smt_sba_rep_res))))
return ;
}
chg = smtod(mb,struct smt_sba_chg *) ;
chg->smt.smt_tid = sm->smt_tid ;
chg->smt.smt_dest = sm->smt_source ;
chg->s_type.para.p_type = SMT_P0015 ;
chg->s_type.para.p_len = sizeof(struct smt_p_0015) - PARA_LEN ;
chg->s_type.res_type = SYNC_BW ;
chg->cmd.para.p_type = SMT_P0016 ;
chg->cmd.para.p_len = sizeof(struct smt_p_0016) - PARA_LEN ;
chg->cmd.sba_cmd = sba_cmd ;
chg->path.para.p_type = SMT_P320B ;
chg->path.para.p_len = sizeof(struct smt_p_320b) - PARA_LEN ;
chg->path.mib_index = SBAPATHINDEX ;
chg->path.path_pad = 0;
chg->path.path_index = PRIMARY_RING ;
chg->payload.para.p_type = SMT_P320F ;
chg->payload.para.p_len = sizeof(struct smt_p_320f) - PARA_LEN ;
chg->payload.mib_index = SBAPATHINDEX ;
chg->payload.mib_payload = smc->mib.a[PATH0].fddiPATHSbaPayload ;
chg->overhead.para.p_type = SMT_P3210 ;
chg->overhead.para.p_len = sizeof(struct smt_p_3210) - PARA_LEN ;
chg->overhead.mib_index = SBAPATHINDEX ;
chg->overhead.mib_overhead = smc->mib.a[PATH0].fddiPATHSbaOverhead ;
if (sba_cmd == CHANGE_ALLOCATION) {
chg->cat.para.p_type = SMT_P001A ;
chg->cat.para.p_len = sizeof(struct smt_p_001a) - PARA_LEN ;
p = (void *) sm_to_para(smc,sm,SMT_P001A) ;
chg->cat.category = ((struct smt_p_001a *)p)->category ;
}
dump_smt(smc,(struct smt_header *)chg,"RAF") ;
ess_send_frame(smc,mb) ;
}
static void ess_send_alc_req(struct s_smc *smc)
{
struct smt_sba_alc_req *req ;
SMbuf *mb ;
if (!smc->mib.fddiESSPayload) {
smc->mib.fddiESSOverhead = 0 ;
}
else {
if (!smc->mib.fddiESSOverhead)
smc->mib.fddiESSOverhead = DEFAULT_OV ;
}
if (smc->mib.fddiESSOverhead ==
smc->mib.a[PATH0].fddiPATHSbaOverhead &&
smc->mib.fddiESSPayload ==
smc->mib.a[PATH0].fddiPATHSbaPayload){
smc->ess.raf_act_timer_poll = FALSE ;
smc->ess.timer_count = 7 ;
return ;
}
if (!(mb=smt_build_frame(smc,SMT_RAF,SMT_REQUEST,
sizeof(struct smt_sba_alc_req))))
return ;
req = smtod(mb,struct smt_sba_alc_req *) ;
req->smt.smt_tid = smc->ess.alloc_trans_id = smt_get_tid(smc) ;
req->smt.smt_dest = smt_sba_da ;
req->s_type.para.p_type = SMT_P0015 ;
req->s_type.para.p_len = sizeof(struct smt_p_0015) - PARA_LEN ;
req->s_type.res_type = SYNC_BW ;
req->cmd.para.p_type = SMT_P0016 ;
req->cmd.para.p_len = sizeof(struct smt_p_0016) - PARA_LEN ;
req->cmd.sba_cmd = REQUEST_ALLOCATION ;
req->path.para.p_type = SMT_P320B ;
req->path.para.p_len = sizeof(struct smt_p_320b) - PARA_LEN ;
req->path.mib_index = SBAPATHINDEX ;
req->path.path_pad = 0;
req->path.path_index = PRIMARY_RING ;
req->pl_req.para.p_type = SMT_P0017 ;
req->pl_req.para.p_len = sizeof(struct smt_p_0017) - PARA_LEN ;
req->pl_req.sba_pl_req = smc->mib.fddiESSPayload -
smc->mib.a[PATH0].fddiPATHSbaPayload ;
req->ov_req.para.p_type = SMT_P0018 ;
req->ov_req.para.p_len = sizeof(struct smt_p_0018) - PARA_LEN ;
req->ov_req.sba_ov_req = smc->mib.fddiESSOverhead -
smc->mib.a[PATH0].fddiPATHSbaOverhead ;
req->payload.para.p_type = SMT_P320F ;
req->payload.para.p_len = sizeof(struct smt_p_320f) - PARA_LEN ;
req->payload.mib_index = SBAPATHINDEX ;
req->payload.mib_payload = smc->mib.a[PATH0].fddiPATHSbaPayload ;
req->overhead.para.p_type = SMT_P3210 ;
req->overhead.para.p_len = sizeof(struct smt_p_3210) - PARA_LEN ;
req->overhead.mib_index = SBAPATHINDEX ;
req->overhead.mib_overhead = smc->mib.a[PATH0].fddiPATHSbaOverhead ;
req->a_addr.para.p_type = SMT_P0019 ;
req->a_addr.para.p_len = sizeof(struct smt_p_0019) - PARA_LEN ;
req->a_addr.sba_pad = 0;
req->a_addr.alloc_addr = null_addr ;
req->cat.para.p_type = SMT_P001A ;
req->cat.para.p_len = sizeof(struct smt_p_001a) - PARA_LEN ;
req->cat.category = smc->mib.fddiESSCategory ;
req->tneg.para.p_type = SMT_P001B ;
req->tneg.para.p_len = sizeof(struct smt_p_001b) - PARA_LEN ;
req->tneg.max_t_neg = smc->mib.fddiESSMaxTNeg ;
req->segm.para.p_type = SMT_P001C ;
req->segm.para.p_len = sizeof(struct smt_p_001c) - PARA_LEN ;
req->segm.min_seg_siz = smc->mib.fddiESSMinSegmentSize ;
dump_smt(smc,(struct smt_header *)req,"RAF") ;
ess_send_frame(smc,mb) ;
}
static void ess_send_alc_req(struct s_smc *smc)
{
struct smt_sba_alc_req *req ;
SMbuf *mb ;
/*
* send never allocation request where the requested payload and
* overhead is zero or deallocate bandwidth when no bandwidth is
* parsed
*/
if (!smc->mib.fddiESSPayload) {
smc->mib.fddiESSOverhead = 0 ;
}
else {
if (!smc->mib.fddiESSOverhead)
smc->mib.fddiESSOverhead = DEFAULT_OV ;
}
if (smc->mib.fddiESSOverhead ==
smc->mib.a[PATH0].fddiPATHSbaOverhead &&
smc->mib.fddiESSPayload ==
smc->mib.a[PATH0].fddiPATHSbaPayload){
smc->ess.raf_act_timer_poll = FALSE ;
smc->ess.timer_count = 7 ; /* next RAF alc req after 3 s */
return ;
}
/*
* get and initialize the response frame
*/
if (!(mb=smt_build_frame(smc,SMT_RAF,SMT_REQUEST,
sizeof(struct smt_sba_alc_req))))
return ;
req = smtod(mb,struct smt_sba_alc_req *) ;
req->smt.smt_tid = smc->ess.alloc_trans_id = smt_get_tid(smc) ;
req->smt.smt_dest = smt_sba_da ;
/* set P15 */
req->s_type.para.p_type = SMT_P0015 ;
req->s_type.para.p_len = sizeof(struct smt_p_0015) - PARA_LEN ;
req->s_type.res_type = SYNC_BW ;
/* set P16 */
req->cmd.para.p_type = SMT_P0016 ;
req->cmd.para.p_len = sizeof(struct smt_p_0016) - PARA_LEN ;
req->cmd.sba_cmd = REQUEST_ALLOCATION ;
/*
* set the parameter type and parameter length of all used
* parameters
*/
/* set P320B */
req->path.para.p_type = SMT_P320B ;
req->path.para.p_len = sizeof(struct smt_p_320b) - PARA_LEN ;
req->path.mib_index = SBAPATHINDEX ;
req->path.path_pad = 0;
req->path.path_index = PRIMARY_RING ;
/* set P0017 */
req->pl_req.para.p_type = SMT_P0017 ;
req->pl_req.para.p_len = sizeof(struct smt_p_0017) - PARA_LEN ;
req->pl_req.sba_pl_req = smc->mib.fddiESSPayload -
smc->mib.a[PATH0].fddiPATHSbaPayload ;
/* set P0018 */
req->ov_req.para.p_type = SMT_P0018 ;
req->ov_req.para.p_len = sizeof(struct smt_p_0018) - PARA_LEN ;
req->ov_req.sba_ov_req = smc->mib.fddiESSOverhead -
smc->mib.a[PATH0].fddiPATHSbaOverhead ;
/* set P320F */
req->payload.para.p_type = SMT_P320F ;
req->payload.para.p_len = sizeof(struct smt_p_320f) - PARA_LEN ;
req->payload.mib_index = SBAPATHINDEX ;
req->payload.mib_payload = smc->mib.a[PATH0].fddiPATHSbaPayload ;
/* set P3210 */
req->overhead.para.p_type = SMT_P3210 ;
req->overhead.para.p_len = sizeof(struct smt_p_3210) - PARA_LEN ;
req->overhead.mib_index = SBAPATHINDEX ;
req->overhead.mib_overhead = smc->mib.a[PATH0].fddiPATHSbaOverhead ;
/* set P19 */
req->a_addr.para.p_type = SMT_P0019 ;
req->a_addr.para.p_len = sizeof(struct smt_p_0019) - PARA_LEN ;
req->a_addr.sba_pad = 0;
req->a_addr.alloc_addr = null_addr ;
/* set P1A */
req->cat.para.p_type = SMT_P001A ;
req->cat.para.p_len = sizeof(struct smt_p_001a) - PARA_LEN ;
req->cat.category = smc->mib.fddiESSCategory ;
/* set P1B */
req->tneg.para.p_type = SMT_P001B ;
req->tneg.para.p_len = sizeof(struct smt_p_001b) - PARA_LEN ;
req->tneg.max_t_neg = smc->mib.fddiESSMaxTNeg ;
/* set P1C */
req->segm.para.p_type = SMT_P001C ;
req->segm.para.p_len = sizeof(struct smt_p_001c) - PARA_LEN ;
req->segm.min_seg_siz = smc->mib.fddiESSMinSegmentSize ;
dump_smt(smc,(struct smt_header *)req,"RAF") ;
ess_send_frame(smc,mb) ;
}
