diff options
Diffstat (limited to 'openbsc/doc/channel_release.txt')
| -rw-r--r-- | openbsc/doc/channel_release.txt | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/openbsc/doc/channel_release.txt b/openbsc/doc/channel_release.txt index e578aa828..bd707b451 100644 --- a/openbsc/doc/channel_release.txt +++ b/openbsc/doc/channel_release.txt @@ -56,21 +56,20 @@ bsc_api.c:gsm0808_clear * Release the primary lchan with normal release, SACH deactivate chan_alloc.c:lchan_release(chan, sacch_deactivate, reason) - * Start release procedure. It is working in steps with callbacks - coming from the abis_rsl.c code. - * Release all SAPI's > 0, wait for them to be released - * Send SACH Deactivate on SAPI=0 - * Finally Release the channel + * Start the release procedure. It is working in steps with callbacks + coming from the abis_rsl.c code. + * Release all SAPI's > 0 as local end (The BTS should send a + REL_CONF a message) + * Send SACH Deactivate on SAPI=0 if required. + * It should start T3109 but it does not. + * abis_rsl.c schedules the RSL_MT_RF_CHAN_REL once all SAPI's are + released and after T3111 has timed out or there is an error. RX of RELease INDication: * Calls internal rsl_handle_release which might release the RF. - * Informs chan_alloc.c about the release with - rsl_lchan_rll_release. -RX of RELease CONFimem: +RX of RELease CONFirmation: * Calls internal rsl_handle_release which might release the RF. - * Informs chan_alloc.c about the release with - rsl_lchan_rll_release. * RX of RF_CHAN_REL_ACK * call lchan_free() |