[chan] Alloc SDCCH for certain reserved types
Follow notes:
2.) Allocate a SDCCH for type "LMU"
2a.)Allocate a SDCCH for the three reserved types
2b.)Pick LCHAN type none to "ignore" the request
diff --git a/openbsc/src/gsm_04_08_utils.c b/openbsc/src/gsm_04_08_utils.c
index b2fbdc2..ad038fb 100644
--- a/openbsc/src/gsm_04_08_utils.c
+++ b/openbsc/src/gsm_04_08_utils.c
@@ -258,6 +258,11 @@
{ 0x80, 0xe0, CHREQ_T_PAG_R_ANY_NECI1 },
{ 0x20, 0xf0, CHREQ_T_PAG_R_TCH_F },
{ 0x30, 0xf0, CHREQ_T_PAG_R_TCH_FH },
+ { 0x67, 0xff, CHREQ_T_LMU },
+ { 0x60, 0xf9, CHREQ_T_RESERVED_SDCCH },
+ { 0x61, 0xfb, CHREQ_T_RESERVED_SDCCH },
+ { 0x63, 0xff, CHREQ_T_RESERVED_SDCCH },
+ { 0x7f, 0xff, CHREQ_T_RESERVED_IGNORE },
};
/* If SYSTEM INFORMATION TYPE 4 NECI bit == 0 */
@@ -270,6 +275,11 @@
{ 0x80, 0xe0, CHREQ_T_PAG_R_ANY_NECI0 },
{ 0x20, 0xf0, CHREQ_T_PAG_R_TCH_F },
{ 0x30, 0xf0, CHREQ_T_PAG_R_TCH_FH },
+ { 0x67, 0xff, CHREQ_T_LMU },
+ { 0x60, 0xf9, CHREQ_T_RESERVED_SDCCH },
+ { 0x61, 0xfb, CHREQ_T_RESERVED_SDCCH },
+ { 0x63, 0xff, CHREQ_T_RESERVED_SDCCH },
+ { 0x7f, 0xff, CHREQ_T_RESERVED_IGNORE },
};
static const enum gsm_chan_t ctype_by_chreq[] = {
@@ -286,6 +296,9 @@
[CHREQ_T_PAG_R_ANY_NECI0] = GSM_LCHAN_SDCCH,
[CHREQ_T_PAG_R_TCH_F] = GSM_LCHAN_TCH_F,
[CHREQ_T_PAG_R_TCH_FH] = GSM_LCHAN_TCH_F,
+ [CHREQ_T_LMU] = GSM_LCHAN_SDCCH,
+ [CHREQ_T_RESERVED_SDCCH] = GSM_LCHAN_SDCCH,
+ [CHREQ_T_RESERVED_IGNORE] = GSM_LCHAN_UNKNOWN,
};
static const enum gsm_chreq_reason_t reason_by_chreq[] = {
@@ -302,6 +315,9 @@
[CHREQ_T_PAG_R_ANY_NECI0] = GSM_CHREQ_REASON_PAG,
[CHREQ_T_PAG_R_TCH_F] = GSM_CHREQ_REASON_PAG,
[CHREQ_T_PAG_R_TCH_FH] = GSM_CHREQ_REASON_PAG,
+ [CHREQ_T_LMU] = GSM_CHREQ_REASON_OTHER,
+ [CHREQ_T_RESERVED_SDCCH] = GSM_CHREQ_REASON_OTHER,
+ [CHREQ_T_RESERVED_IGNORE] = GSM_CHREQ_REASON_OTHER,
};
enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra, int neci)