Harald Welte has uploaded this change for review. ( https://gerrit.osmocom.org/14090
Change subject: cbch: Implement handling of "Schedule" message ...................................................................... cbch: Implement handling of "Schedule" message The first block of "schedule" messages must be advertised with a special sequence number coding, see Table 1 of 3GPP TS 44.012. Change-Id: I473edf698eba7ff5008f2fd1ec1776f0aa013858 Closes: OS#4012 --- M src/common/cbch.c 1 file changed, 10 insertions(+), 2 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/90/14090/1 diff --git a/src/common/cbch.c b/src/common/cbch.c index c628cb5..cde1a0c 100644 --- a/src/common/cbch.c +++ b/src/common/cbch.c @@ -1,6 +1,6 @@ /* Cell Broadcast routines */ -/* (C) 2014 by Harald Welte <[email protected]> +/* (C) 2014,2018-2019 by Harald Welte <[email protected]> * * All Rights Reserved * @@ -31,6 +31,7 @@ struct smscb_msg { struct llist_head list; /* list in smscb_state.queue */ + bool is_schedule; /* is this a schedule message? */ uint8_t msg[GSM412_MSG_LEN]; /* message buffer */ uint8_t next_seg; /* next segment number */ uint8_t num_segs; /* total number of segments */ @@ -78,7 +79,11 @@ memcpy(out, &msg->msg[msg->next_seg * GSM412_BLOCK_LEN], to_copy); /* set + increment sequence number */ - block_type->seq_nr = msg->next_seg++; + if (msg->next_seg == 0 && msg->is_schedule) { + block_type->seq_nr = 8; /* first schedule block */ + msg->next_seg++; + } else + block_type->seq_nr = msg->next_seg++; /* determine if this is the last block */ if (block_type->seq_nr + 1 == msg->num_segs) @@ -126,6 +131,9 @@ /* next segment is first segment */ scm->next_seg = 0; + if (cmd_type.command == RSL_CB_CMD_TYPE_SCHEDULE) + scm->is_schedule = true; + switch (cmd_type.command) { case RSL_CB_CMD_TYPE_NORMAL: case RSL_CB_CMD_TYPE_SCHEDULE: -- To view, visit https://gerrit.osmocom.org/14090 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bts Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I473edf698eba7ff5008f2fd1ec1776f0aa013858 Gerrit-Change-Number: 14090 Gerrit-PatchSet: 1 Gerrit-Owner: Harald Welte <[email protected]>
