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Harald Welte laforge at gnumonks.orgHi Bhargava, On Tue, Mar 22, 2016 at 02:53:19PM +0000, Bhargava Abhyankar wrote: > We have planned to support 11 bit RACH in osmo-pcu and osmo-bts. In > this regard, we have a query related to layer 1 to osmo-bts > interface, as described below. given that the current format relates to the history of the omso-bts project and the first PHY that we interfaced it with, I think if we make some changes now to the L1 interface (including L1SAP), we could actually clean things up. To do so, I would suggest to a) on L1SAP, extend ph_rach_ind_param with * a uint16_t for 'ra' * add a member 'is_11bit' to indicate 8/11 bit * an enum to indicate the different burst types (and change the osmo-bts-* implementations as well as common code to use that updated definition) b) on the PCU socket, perform similar changes to gsm_pcu_if_rach_ind After performing above-mentioned changes, the formatting of the data should be self-explanatory. Regards, Harald -- - Harald Welte <laforge at gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)