From 5e473cb4785074a8ad2da8f327050bc0890ed80b Mon Sep 17 00:00:00 2001 From: Vadim Yanitskiy Date: Fri, 5 Oct 2018 21:58:23 +0700 Subject: l1ctl_proto.h: add extended RACH (11-bit) request message According to 3GPP TS 04.60, section 11.2.5a, the extended (11-bit) Access Burst on RACH/PRACH is used by the MS to indicate its EGPRS capability. One of the alternative synch. sequences (see 3GPP TS 05.02, TS1 and TS2) shall be used. Change-Id: Iae0267a31b3314c990eb41acb2f570ca3219021c --- include/l1ctl_proto.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/l1ctl_proto.h b/include/l1ctl_proto.h index c6156f5a..05d65deb 100644 --- a/include/l1ctl_proto.h +++ b/include/l1ctl_proto.h @@ -64,6 +64,9 @@ enum { L1CTL_DATA_TBF_REQ, L1CTL_DATA_TBF_CONF, + + /* Extended (11-bit) RACH (see 3GPP TS 05.02, section 5.2.7) */ + L1CTL_EXT_RACH_REQ, }; enum ccch_mode { @@ -238,6 +241,15 @@ struct l1ctl_rach_req { uint16_t offset; } __attribute__((packed)); + +/* the l1_info_ul header is in front */ +struct l1ctl_ext_rach_req { + uint16_t ra11; + uint8_t synch_seq; + uint8_t combined; + uint16_t offset; +} __attribute__((packed)); + /* the l1_info_ul header is in front */ struct l1ctl_par_req { int8_t ta; -- cgit v1.2.3