bsc: Allow to generate new system information online
Increase the bcch_change_mark and generate a new copy of the
system information. Make the method public, add a small test
case. Manually verified using the FakeBTS. I don't know if
the MS will re-read these SIs.
Related: SYS#739
diff --git a/openbsc/src/libbsc/bsc_ctrl_commands.c b/openbsc/src/libbsc/bsc_ctrl_commands.c
index 09f9acc..6315c8a 100644
--- a/openbsc/src/libbsc/bsc_ctrl_commands.c
+++ b/openbsc/src/libbsc/bsc_ctrl_commands.c
@@ -184,6 +184,41 @@
CTRL_CMD_DEFINE(bts_apply_config, "apply-configuration");
+static int verify_bts_si(struct ctrl_cmd *cmd, const char *v, void *d)
+{
+ return 0;
+}
+
+static int get_bts_si(struct ctrl_cmd *cmd, void *data)
+{
+ cmd->reply = "Write only attribute";
+ return CTRL_CMD_ERROR;
+}
+
+static int set_bts_si(struct ctrl_cmd *cmd, void *data)
+{
+ struct gsm_bts *bts = cmd->node;
+ struct gsm_bts_trx *trx;
+
+ /* Generate a new ID */
+ bts->bcch_change_mark += 1;
+ bts->bcch_change_mark %= 0x7;
+
+ llist_for_each_entry(trx, &bts->trx_list, list) {
+ int rc;
+
+ rc = gsm_bts_trx_set_system_infos(trx);
+ if (rc != 0) {
+ cmd->reply = "Failed to generate SI";
+ return CTRL_CMD_ERROR;
+ }
+ }
+
+ cmd->reply = "Generated new System Information";
+ return CTRL_CMD_REPLY;
+}
+CTRL_CMD_DEFINE(bts_si, "send-new-system-informations");
+
/* TRX related commands below here */
CTRL_HELPER_GET_INT(trx_max_power, struct gsm_bts_trx, max_power_red);
static int verify_trx_max_power(struct ctrl_cmd *cmd, const char *value, void *_data)
@@ -237,6 +272,7 @@
rc |= ctrl_cmd_install(CTRL_NODE_BTS, &cmd_bts_lac);
rc |= ctrl_cmd_install(CTRL_NODE_BTS, &cmd_bts_ci);
rc |= ctrl_cmd_install(CTRL_NODE_BTS, &cmd_bts_apply_config);
+ rc |= ctrl_cmd_install(CTRL_NODE_BTS, &cmd_bts_si);
rc |= ctrl_cmd_install(CTRL_NODE_TRX, &cmd_trx_max_power);
return rc;