laforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-pcu/+/34006 )

Change subject: cosmetic: Document foce_two_phase feature based on specs ......................................................................

cosmetic: Document foce_two_phase feature based on specs

Change-Id: I4f8e3d0dcb721d51838b50aba5b40d0551c8d0c5 --- M src/bts.cpp 1 file changed, 15 insertions(+), 0 deletions(-)

Approvals: Jenkins Builder: Verified laforge: Looks good to me, approved

diff --git a/src/bts.cpp b/src/bts.cpp index 177544a..fe48018 100644 --- a/src/bts.cpp +++ b/src/bts.cpp @@ -970,6 +970,12 @@ LOGP(DRLCMAC, LOGL_DEBUG, "MS requests single TS uplink transmission " "(one phase packet access)\n"); if (bts->pcu->vty.force_two_phase) { + /* 3GPP TS 44.018 3.5.2.1.3.1: "If the establishment cause in the + * CHANNEL REQUEST message indicates a request for one phase packet access, + * the network may grant either a one phase packet access or a single block + * packet access for the mobile station. If a single block packet access is + * granted, it forces the mobile station to perform a two phase packet access." + */ LOGP(DRLCMAC, LOGL_DEBUG, "Forcing two phase access\n"); chan_req.single_block = true; }