Adding direct access to DSP of sysmoBTS for PDTCH traffice

In order to use this feature, sysmoBTS requires option "-M", otherwise
the traffic is forwarded through socket interface.

This is essential, if PCU runs on processor of sysmoBTS. The reaction
time and delay of PDTCH frames could heavily degrade proper packet flow.

1 files changed, 288 insertions, 0 deletions

diff --git a/src/femtobts.c b/src/femtobts.c
new file mode 100644
index 00000000..69b33be0
--- /dev/null
+++ b/src/femtobts.c
@@ -0,0 +1,288 @@
+/* sysmocom femtobts L1 API related definitions */
+
+/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <sysmocom/femtobts/superfemto.h>
+#include <sysmocom/femtobts/gsml1const.h>
+#include <sysmocom/femtobts/gsml1dbg.h>
+
+#include "femtobts.h"
+
+const enum l1prim_type femtobts_l1prim_type[GsmL1_PrimId_NUM] = {
+	[GsmL1_PrimId_MphInitReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_MphCloseReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_MphConnectReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_MphDisconnectReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_MphActivateReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_MphDeactivateReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_MphConfigReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_MphMeasureReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_MphInitCnf]	= L1P_T_CONF,
+	[GsmL1_PrimId_MphCloseCnf]	= L1P_T_CONF,
+	[GsmL1_PrimId_MphConnectCnf]	= L1P_T_CONF,
+	[GsmL1_PrimId_MphDisconnectCnf]	= L1P_T_CONF,
+	[GsmL1_PrimId_MphActivateCnf]	= L1P_T_CONF,
+	[GsmL1_PrimId_MphDeactivateCnf]	= L1P_T_CONF,
+	[GsmL1_PrimId_MphConfigCnf]	= L1P_T_CONF,
+	[GsmL1_PrimId_MphMeasureCnf]	= L1P_T_CONF,
+	[GsmL1_PrimId_MphTimeInd]	= L1P_T_IND,
+	[GsmL1_PrimId_MphSyncInd]	= L1P_T_IND,
+	[GsmL1_PrimId_PhEmptyFrameReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_PhDataReq]	= L1P_T_REQ,
+	[GsmL1_PrimId_PhConnectInd]	= L1P_T_IND,
+	[GsmL1_PrimId_PhReadyToSendInd]	= L1P_T_IND,
+	[GsmL1_PrimId_PhDataInd]	= L1P_T_IND,
+	[GsmL1_PrimId_PhRaInd]		= L1P_T_IND,
+};
+
+const struct value_string femtobts_l1prim_names[GsmL1_PrimId_NUM+1] = {
+	{ GsmL1_PrimId_MphInitReq,	"MPH-INIT.req" },
+	{ GsmL1_PrimId_MphCloseReq,	"MPH-CLOSE.req" },
+	{ GsmL1_PrimId_MphConnectReq,	"MPH-CONNECT.req" },
+	{ GsmL1_PrimId_MphDisconnectReq,"MPH-DISCONNECT.req" },
+	{ GsmL1_PrimId_MphActivateReq,	"MPH-ACTIVATE.req" },
+	{ GsmL1_PrimId_MphDeactivateReq,"MPH-DEACTIVATE.req" },
+	{ GsmL1_PrimId_MphConfigReq,	"MPH-CONFIG.req" },
+	{ GsmL1_PrimId_MphMeasureReq,	"MPH-MEASURE.req" },
+	{ GsmL1_PrimId_MphInitCnf,	"MPH-INIT.conf" },
+	{ GsmL1_PrimId_MphCloseCnf,	"MPH-CLOSE.conf" },
+	{ GsmL1_PrimId_MphConnectCnf,	"MPH-CONNECT.conf" },
+	{ GsmL1_PrimId_MphDisconnectCnf,"MPH-DISCONNECT.conf" },
+	{ GsmL1_PrimId_MphActivateCnf,	"MPH-ACTIVATE.conf" },
+	{ GsmL1_PrimId_MphDeactivateCnf,"MPH-DEACTIVATE.conf" },
+	{ GsmL1_PrimId_MphConfigCnf,	"MPH-CONFIG.conf" },
+	{ GsmL1_PrimId_MphMeasureCnf,	"MPH-MEASURE.conf" },
+	{ GsmL1_PrimId_MphTimeInd,	"MPH-TIME.ind" },
+	{ GsmL1_PrimId_MphSyncInd,	"MPH-SYNC.ind" },
+	{ GsmL1_PrimId_PhEmptyFrameReq,	"PH-EMPTY_FRAME.req" },
+	{ GsmL1_PrimId_PhDataReq,	"PH-DATA.req" },
+	{ GsmL1_PrimId_PhConnectInd,	"PH-CONNECT.ind" },
+	{ GsmL1_PrimId_PhReadyToSendInd,"PH-READY_TO_SEND.ind" },
+	{ GsmL1_PrimId_PhDataInd,	"PH-DATA.ind" },
+	{ GsmL1_PrimId_PhRaInd,		"PH-RA.ind" },
+	{ 0, NULL }
+};
+
+const GsmL1_PrimId_t femtobts_l1prim_req2conf[GsmL1_PrimId_NUM] = {
+	[GsmL1_PrimId_MphInitReq]	= GsmL1_PrimId_MphInitCnf,
+	[GsmL1_PrimId_MphCloseReq]	= GsmL1_PrimId_MphCloseCnf,
+	[GsmL1_PrimId_MphConnectReq]	= GsmL1_PrimId_MphConnectCnf,
+	[GsmL1_PrimId_MphDisconnectReq]	= GsmL1_PrimId_MphDisconnectCnf,
+	[GsmL1_PrimId_MphActivateReq]	= GsmL1_PrimId_MphActivateCnf,
+	[GsmL1_PrimId_MphDeactivateReq]	= GsmL1_PrimId_MphDeactivateCnf,
+	[GsmL1_PrimId_MphConfigReq]	= GsmL1_PrimId_MphConfigCnf,
+	[GsmL1_PrimId_MphMeasureReq]	= GsmL1_PrimId_MphMeasureCnf,
+};
+
+const enum l1prim_type femtobts_sysprim_type[SuperFemto_PrimId_NUM] = {
+	[SuperFemto_PrimId_SystemInfoReq]		= L1P_T_REQ,
+	[SuperFemto_PrimId_SystemInfoCnf]		= L1P_T_CONF,
+	[SuperFemto_PrimId_SystemFailureInd]	= L1P_T_IND,
+	[SuperFemto_PrimId_ActivateRfReq]		= L1P_T_REQ,
+	[SuperFemto_PrimId_ActivateRfCnf]		= L1P_T_CONF,
+	[SuperFemto_PrimId_DeactivateRfReq]	= L1P_T_REQ,
+	[SuperFemto_PrimId_DeactivateRfCnf]	= L1P_T_CONF,
+	[SuperFemto_PrimId_SetTraceFlagsReq]	= L1P_T_REQ,
+	[SuperFemto_PrimId_RfClockInfoReq]	= L1P_T_REQ,
+	[SuperFemto_PrimId_RfClockInfoCnf]	= L1P_T_CONF,
+	[SuperFemto_PrimId_RfClockSetupReq]	= L1P_T_REQ,
+	[SuperFemto_PrimId_RfClockSetupCnf]	= L1P_T_CONF,
+	[SuperFemto_PrimId_Layer1ResetReq]	= L1P_T_REQ,
+	[SuperFemto_PrimId_Layer1ResetCnf]	= L1P_T_CONF,
+};
+
+const struct value_string femtobts_sysprim_names[SuperFemto_PrimId_NUM+1] = {
+	{ SuperFemto_PrimId_SystemInfoReq,	"SYSTEM-INFO.req" },
+	{ SuperFemto_PrimId_SystemInfoCnf,	"SYSTEM-INFO.conf" },
+	{ SuperFemto_PrimId_SystemFailureInd,	"SYSTEM-FAILURE.ind" },
+	{ SuperFemto_PrimId_ActivateRfReq,	"ACTIVATE-RF.req" },
+	{ SuperFemto_PrimId_ActivateRfCnf,	"ACTIVATE-RF.conf" },
+	{ SuperFemto_PrimId_DeactivateRfReq,	"DEACTIVATE-RF.req" },
+	{ SuperFemto_PrimId_DeactivateRfCnf,	"DEACTIVATE-RF.conf" },
+	{ SuperFemto_PrimId_SetTraceFlagsReq,	"SET-TRACE-FLAGS.req" },
+	{ SuperFemto_PrimId_RfClockInfoReq,	"RF-CLOCK-INFO.req" },
+	{ SuperFemto_PrimId_RfClockInfoCnf,	"RF-CLOCK-INFO.conf" },
+	{ SuperFemto_PrimId_RfClockSetupReq,	"RF-CLOCK-SETUP.req" },
+	{ SuperFemto_PrimId_RfClockSetupCnf,	"RF-CLOCK-SETUP.conf" },
+	{ SuperFemto_PrimId_Layer1ResetReq,	"LAYER1-RESET.req" },
+	{ SuperFemto_PrimId_Layer1ResetCnf,	"LAYER1-RESET.conf" },
+	{ 0, NULL }
+};
+
+const SuperFemto_PrimId_t femtobts_sysprim_req2conf[SuperFemto_PrimId_NUM] = {
+	[SuperFemto_PrimId_SystemInfoReq]	= SuperFemto_PrimId_SystemInfoCnf,
+	[SuperFemto_PrimId_ActivateRfReq]	= SuperFemto_PrimId_ActivateRfCnf,
+	[SuperFemto_PrimId_DeactivateRfReq]	= SuperFemto_PrimId_DeactivateRfCnf,
+	[SuperFemto_PrimId_RfClockInfoReq]	= SuperFemto_PrimId_RfClockInfoCnf,
+	[SuperFemto_PrimId_RfClockSetupReq]	= SuperFemto_PrimId_RfClockSetupCnf,
+	[SuperFemto_PrimId_Layer1ResetReq] 	= SuperFemto_PrimId_Layer1ResetCnf,
+};
+
+const struct value_string femtobts_l1sapi_names[GsmL1_Sapi_NUM+1] = {
+	{ GsmL1_Sapi_Fcch,	"FCCH" },
+	{ GsmL1_Sapi_Sch,	"SCH" },
+	{ GsmL1_Sapi_Sacch,	"SACCH" },
+	{ GsmL1_Sapi_Sdcch,	"SDCCH" },
+	{ GsmL1_Sapi_Bcch,	"BCCH" },
+	{ GsmL1_Sapi_Pch,	"PCH" },
+	{ GsmL1_Sapi_Agch,	"AGCH" },
+	{ GsmL1_Sapi_Cbch,	"CBCH" },
+	{ GsmL1_Sapi_Rach,	"RACH" },
+	{ GsmL1_Sapi_TchF,	"TCH/F" },
+	{ GsmL1_Sapi_FacchF,	"FACCH/F" },
+	{ GsmL1_Sapi_TchH,	"TCH/H" },
+	{ GsmL1_Sapi_FacchH,	"FACCH/H" },
+	{ GsmL1_Sapi_Nch,	"NCH" },
+	{ GsmL1_Sapi_Pdtch,	"PDTCH" },
+	{ GsmL1_Sapi_Pacch,	"PACCH" },
+	{ GsmL1_Sapi_Pbcch,	"PBCCH" },
+	{ GsmL1_Sapi_Pagch,	"PAGCH" },
+	{ GsmL1_Sapi_Ppch,	"PPCH" },
+	{ GsmL1_Sapi_Pnch,	"PNCH" },
+	{ GsmL1_Sapi_Ptcch,	"PTCCH" },
+	{ GsmL1_Sapi_Prach,	"PRACH" },
+	{ 0, NULL }
+};
+
+const struct value_string femtobts_l1status_names[GSML1_STATUS_NUM+1] = {
+	{ GsmL1_Status_Success,		"Success" },
+	{ GsmL1_Status_Generic,		"Generic error" },
+	{ GsmL1_Status_NoMemory,	"Not enough memory" },
+	{ GsmL1_Status_Timeout,		"Timeout" },
+	{ GsmL1_Status_InvalidParam,	"Invalid parameter" },
+	{ GsmL1_Status_Busy,		"Resource busy" },
+	{ GsmL1_Status_NoRessource,	"No more resources" },
+	{ GsmL1_Status_Uninitialized,	"Trying to use uninitialized resource" },
+	{ GsmL1_Status_NullInterface,	"Trying to call a NULL interface" },
+	{ GsmL1_Status_NullFctnPtr,	"Trying to call a NULL function ptr" },
+	{ GsmL1_Status_BadCrc,		"Bad CRC" },
+	{ GsmL1_Status_BadUsf,		"Bad USF" },
+	{ GsmL1_Status_InvalidCPS,	"Invalid CPS field" },
+	{ GsmL1_Status_UnexpectedBurst,	"Unexpected burst" },
+	{ GsmL1_Status_UnavailCodec,	"AMR codec is unavailable" },
+	{ GsmL1_Status_CriticalError,	"Critical error" },
+	{ GsmL1_Status_OverheatError,	"Overheat error" },
+	{ GsmL1_Status_DeviceError,	"Device error" },
+	{ GsmL1_Status_FacchError,	"FACCH / TCH order error" },
+	{ GsmL1_Status_AlreadyDeactivated, "Lchan already deactivated" },
+	{ GsmL1_Status_TxBurstFifoOvrn,	"FIFO overrun" },
+	{ GsmL1_Status_TxBurstFifoUndr,	"FIFO underrun" },
+	{ GsmL1_Status_NotSynchronized,	"Not synchronized" },
+	{ GsmL1_Status_Unsupported,	"Unsupported feature" },
+	{ 0, NULL }
+};
+
+const struct value_string femtobts_tracef_names[29] = {
+	{ DBG_DEBUG,			"DEBUG" },
+	{ DBG_L1WARNING,		"L1_WARNING" },
+	{ DBG_ERROR,			"ERROR" },
+	{ DBG_L1RXMSG,			"L1_RX_MSG" },
+	{ DBG_L1RXMSGBYTE,		"L1_RX_MSG_BYTE" },
+	{ DBG_L1TXMSG,			"L1_TX_MSG" },
+	{ DBG_L1TXMSGBYTE,		"L1_TX_MSG_BYTE" },
+	{ DBG_MPHCNF,			"MPH_CNF" },
+	{ DBG_MPHIND,			"MPH_IND" },
+	{ DBG_MPHREQ,			"MPH_REQ" },
+	{ DBG_PHIND,			"PH_IND" },
+	{ DBG_PHREQ,			"PH_REQ" },
+	{ DBG_PHYRF,			"PHY_RF" },
+	{ DBG_PHYRFMSGBYTE,		"PHY_MSG_BYTE" },
+	{ DBG_MODE,			"MODE" },
+	{ DBG_TDMAINFO,			"TDMA_INFO" },
+	{ DBG_BADCRC,			"BAD_CRC" },
+	{ DBG_PHINDBYTE,		"PH_IND_BYTE" },
+	{ DBG_PHREQBYTE,		"PH_REQ_BYTE" },
+	{ DBG_DEVICEMSG,		"DEVICE_MSG" },
+	{ DBG_RACHINFO,			"RACH_INFO" },
+	{ DBG_LOGCHINFO,		"LOG_CH_INFO" },
+	{ DBG_MEMORY,			"MEMORY" },
+	{ DBG_PROFILING,		"PROFILING" },
+	{ DBG_TESTCOMMENT,		"TEST_COMMENT" },
+	{ DBG_TEST,			"TEST" },
+	{ DBG_STATUS,			"STATUS" },
+	{ 0, NULL }
+};
+
+const struct value_string femtobts_tch_pl_names[] = {
+	{ GsmL1_TchPlType_NA,			"N/A" },
+	{ GsmL1_TchPlType_Fr,			"FR" },
+	{ GsmL1_TchPlType_Hr,			"HR" },
+	{ GsmL1_TchPlType_Efr,			"EFR" },
+	{ GsmL1_TchPlType_Amr,			"AMR(IF2)" },
+	{ GsmL1_TchPlType_Amr_SidBad,		"AMR(SID BAD)" },
+	{ GsmL1_TchPlType_Amr_Onset,		"AMR(ONSET)" },
+	{ GsmL1_TchPlType_Amr_Ratscch,		"AMR(RATSCCH)" },
+	{ GsmL1_TchPlType_Amr_SidUpdateInH,	"AMR(SID_UPDATE INH)" },
+	{ GsmL1_TchPlType_Amr_SidFirstP1,	"AMR(SID_FIRST P1)" },
+	{ GsmL1_TchPlType_Amr_SidFirstP2,	"AMR(SID_FIRST P2)" },
+	{ GsmL1_TchPlType_Amr_SidFirstInH,	"AMR(SID_FIRST INH)" },
+	{ GsmL1_TchPlType_Amr_RatscchMarker,	"AMR(RATSCCH MARK)" },
+	{ GsmL1_TchPlType_Amr_RatscchData,	"AMR(RATSCCH DATA)" },
+	{ 0, NULL }
+};
+
+const struct value_string femtobts_clksrc_names[] = {
+	{ SuperFemto_ClkSrcId_None,	"None" },
+	{ SuperFemto_ClkSrcId_Ocxo,	"ocxo" },
+	{ SuperFemto_ClkSrcId_Tcxo,	"tcxo" },
+	{ SuperFemto_ClkSrcId_External,	"ext" },
+	{ SuperFemto_ClkSrcId_GpsPps,	"gps" },
+	{ SuperFemto_ClkSrcId_Trx,	"trx" },
+	{ SuperFemto_ClkSrcId_Rx,	"rx" },
+	{ SuperFemto_ClkSrcId_Edge,	"edge" },
+	{ SuperFemto_ClkSrcId_NetList,	"nwl" },
+	{ 0, NULL }
+};
+
+const struct value_string femtobts_dir_names[] = {
+	{ GsmL1_Dir_TxDownlink,	"TxDL" },
+	{ GsmL1_Dir_TxUplink,	"TxUL" },
+	{ GsmL1_Dir_RxUplink,	"RxUL" },
+	{ GsmL1_Dir_RxDownlink,	"RxDL" },
+	{ GsmL1_Dir_TxDownlink|GsmL1_Dir_RxUplink, "BOTH" },
+	{ 0, NULL }
+};
+
+const struct value_string femtobts_chcomb_names[] = {
+	{ GsmL1_LogChComb_0,	"dummy" },
+	{ GsmL1_LogChComb_I,	"tch_f" },
+	{ GsmL1_LogChComb_II,	"tch_h" },
+	{ GsmL1_LogChComb_IV,	"ccch" },
+	{ GsmL1_LogChComb_V,	"ccch_sdcch4" },
+	{ GsmL1_LogChComb_VII,	"sdcch8" },
+	{ GsmL1_LogChComb_XIII,	"pdtch" },
+	{ 0, NULL }
+};
+
+const uint8_t pdch_msu_size[_NUM_PDCH_CS] = {
+	[PDCH_CS_1]	= 23,
+	[PDCH_CS_2]	= 34,
+	[PDCH_CS_3]	= 40,
+	[PDCH_CS_4]	= 54,
+	[PDCH_MCS_1]	= 27,
+	[PDCH_MCS_2]	= 33,
+	[PDCH_MCS_3]	= 42,
+	[PDCH_MCS_4]	= 49,
+	[PDCH_MCS_5]	= 60,
+	[PDCH_MCS_6]	= 78,
+	[PDCH_MCS_7]	= 118,
+	[PDCH_MCS_8]	= 142,
+	[PDCH_MCS_9]	= 154
+};