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handover: Implement generating HANDOVER DETECTION in rsl_tx_hando_det

This commit is contained in:
Andreas Eversberg 2014-01-23 15:32:22 +01:00 committed by Holger Hans Peter Freyther
parent a37e239961
commit 3058854535
2 changed files with 23 additions and 0 deletions
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1
include/osmo-bts/rsl.h
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@ -21,6 +21,7 @@ int rsl_tx_chan_act_ack(struct gsm_lchan *lchan, struct gsm_time *gtime);
int rsl_tx_chan_act_nack(struct gsm_lchan *lchan, uint8_t cause);
int rsl_tx_conn_fail(struct gsm_lchan *lchan, uint8_t cause);
int rsl_tx_rf_rel_ack(struct gsm_lchan *lchan);
int rsl_tx_hando_det(struct gsm_lchan *lchan, uint8_t *ho_delay);
/* call-back for LAPDm code, called when it wants to send msgs UP */
int lapdm_rll_tx_cb(struct msgb *msg, struct lapdm_entity *le, void *ctx);

22
src/common/rsl.c
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@ -545,6 +545,28 @@ int rsl_tx_chan_act_ack(struct gsm_lchan *lchan, struct gsm_time *gtime)
return abis_bts_rsl_sendmsg(msg);
}
/* 8.4.7 sending HANDOver DETection */
int rsl_tx_hando_det(struct gsm_lchan *lchan, uint8_t *ho_delay)
{
struct msgb *msg;
uint8_t chan_nr = gsm_lchan2chan_nr(lchan);
LOGP(DRSL, LOGL_INFO, "Sending HANDOver DETect\n");
msg = rsl_msgb_alloc(sizeof(struct abis_rsl_dchan_hdr));
if (!msg)
return -ENOMEM;
/* 9.3.17 Access Delay */
if (ho_delay)
msgb_tv_put(msg, RSL_IE_ACCESS_DELAY, *ho_delay);
rsl_dch_push_hdr(msg, RSL_MT_HANDO_DET, chan_nr);
msg->trx = lchan->ts->trx;
return abis_bts_rsl_sendmsg(msg);
}
/* 8.4.3 sending CHANnel ACTIVation Negative ACK */
int rsl_tx_chan_act_nack(struct gsm_lchan *lchan, uint8_t cause)
{