b91e6002a6
In struct gsm_lchan, add dyn.rqd_ref and dyn.rqd_ta. These save the Channel Requested details across the PDCH deactivation dance. abis_rsl.c: add static functions: * dyn_ts_switchover*() for the various stages of switchover between pchans. * pchan_for_lchant() to derive the desired pchan from the lchan type that was set during lchan_alloc(). * rsl_chan_activate_lchan_as_pdch() to compose the simpler RSL CHAN ACT message without introducing numerous special cases to the normal RSL CHAN ACT code. In rsl_chan_activate_lchan(), detect and initiate required pchan switchovers if requested pchan on a dyn TS differs. In rsl_rx_rf_chan_rel_ack(), initiate or continue pchan switchovers after a channel was released. In rsl_rx_chan_act_ack(), notice that a switchover is complete. In chan_alloc.c, add ts_subslots(): abis_rsl.c will need to know the number of subslots per pchan, to verify that all lchans are free before dyn TS switchover. The subslots_per_pchan[] array is static to lchan_alloc.c, and since we need a non-trivial check for dyn TS anyway, add public ts_subslots() to lchan_alloc.c, which also checks the current dyn pchan type. Change-Id: I5c6bce13092a10204113d84678c587c65e35e4fd |
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