[PATCH 4/5] Restructure sources

From: Max &lt;msuraev(a)sysmocom.de&gt; Move hardware-spicefic files into subdirectory similar to the way it's done in OsmoBTS to make adding new hardware support easier. --- src/Makefile.am | 49 +++-- src/femtobts.c | 275 -------------------------- src/femtobts.h | 57 ------ src/osmo-bts-sysmo/femtobts.c | 275 ++++++++++++++++++++++++++ src/osmo-bts-sysmo/femtobts.h | 57 ++++++ src/osmo-bts-sysmo/sysmo_l1_fwd.c | 145 ++++++++++++++ src/osmo-bts-sysmo/sysmo_l1_hw.c | 216 +++++++++++++++++++++ src/osmo-bts-sysmo/sysmo_l1_if.c | 394 ++++++++++++++++++++++++++++++++++++++ src/osmo-bts-sysmo/sysmo_l1_if.h | 91 +++++++++ src/sysmo_l1_fwd.c | 145 -------------- src/sysmo_l1_hw.c | 216 --------------------- src/sysmo_l1_if.c | 394 -------------------------------------- src/sysmo_l1_if.h | 91 --------- 13 files changed, 1207 insertions(+), 1198 deletions(-) delete mode 100644 src/femtobts.c delete mode 100644 src/femtobts.h create mode 100644 src/osmo-bts-sysmo/femtobts.c create mode 100644 src/osmo-bts-sysmo/femtobts.h create mode 100644 src/osmo-bts-sysmo/sysmo_l1_fwd.c create mode 100644 src/osmo-bts-sysmo/sysmo_l1_hw.c create mode 100644 src/osmo-bts-sysmo/sysmo_l1_if.c create mode 100644 src/osmo-bts-sysmo/sysmo_l1_if.h delete mode 100644 src/sysmo_l1_fwd.c delete mode 100644 src/sysmo_l1_hw.c delete mode 100644 src/sysmo_l1_if.c delete mode 100644 src/sysmo_l1_if.h diff --git a/src/Makefile.am b/src/Makefile.am index 832c3b0..3049744 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -64,11 +64,6 @@ bin_PROGRAMS = \ noinst_PROGRAMS = -if ENABLE_SYSMODSP -noinst_PROGRAMS += \ - osmo-pcu-remote -endif - noinst_HEADERS = \ gprs_debug.h \ csn1.h \ @@ -83,8 +78,6 @@ noinst_HEADERS = \ bitvector.h \ pcu_vty.h \ pcu_vty_functions.h \ - sysmo_l1_if.h \ - femtobts.h \ tbf.h \ bts.h \ poll_controller.h \ @@ -101,30 +94,46 @@ noinst_HEADERS = \ osmo_pcu_SOURCES = pcu_main.cpp if ENABLE_SYSMODSP -osmo_pcu_SOURCES += sysmo_l1_if.c \ - sysmo_l1_hw.c \ - femtobts.c - -osmo_pcu_remote_SOURCES = pcu_main.cpp \ - sysmo_l1_if.c \ - sysmo_l1_fwd.c \ - femtobts.c -endif +AM_CPPFLAGS += -I$(srcdir)/osmo-bts-sysmo -osmo_pcu_LDADD = \ +EXTRA_DIST = \ + osmo-bts-sysmo/sysmo_l1_if.c \ + osmo-bts-sysmo/sysmo_l1_if.h \ + osmo-bts-sysmo/sysmo_l1_hw.c \ + osmo-bts-sysmo/femtobts.c \ + osmo-bts-sysmo/femtobts.h + +noinst_HEADERS += \ + osmo-bts-sysmo/sysmo_l1_if.h \ + osmo-bts-sysmo/femtobts.h + +noinst_PROGRAMS += \ + osmo-pcu-remote + +osmo_pcu_SOURCES += \ + osmo-bts-sysmo/sysmo_l1_if.c \ + osmo-bts-sysmo/sysmo_l1_hw.c \ + osmo-bts-sysmo/femtobts.c + +osmo_pcu_remote_SOURCES = \ + pcu_main.cpp \ + osmo-bts-sysmo/sysmo_l1_if.c \ + osmo-bts-sysmo/sysmo_l1_fwd.c \ + osmo-bts-sysmo/femtobts.c + +osmo_pcu_remote_LDADD = \ libgprs.la \ $(LIBOSMOGB_LIBS) \ $(LIBOSMOCORE_LIBS) \ $(LIBOSMOGSM_LIBS) \ $(COMMON_LA) +endif -if ENABLE_SYSMODSP -osmo_pcu_remote_LDADD = \ +osmo_pcu_LDADD = \ libgprs.la \ $(LIBOSMOGB_LIBS) \ $(LIBOSMOCORE_LIBS) \ $(LIBOSMOGSM_LIBS) \ $(COMMON_LA) -endif #MOSTLYCLEANFILES += testSource testDestination diff --git a/src/femtobts.c b/src/femtobts.c deleted file mode 100644 index f6957d2..0000000 --- a/src/femtobts.c +++ /dev/null @@ -1,275 +0,0 @@ -/* sysmocom femtobts L1 API related definitions */ - -/* (C) 2011 by Harald Welte &lt;laforge(a)gnumonks.org&gt; - * - * 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_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 -}; diff --git a/src/femtobts.h b/src/femtobts.h deleted file mode 100644 index 7e45578..0000000 --- a/src/femtobts.h +++ /dev/null @@ -1,57 +0,0 @@ -#ifndef FEMTOBTS_H -#define FEMTOBTS_H - -#include <stdlib.h> -#include <osmocom/core/utils.h> - -#include <sysmocom/femtobts/superfemto.h> -#include <sysmocom/femtobts/gsml1const.h> - -#ifdef L1_HAS_RTP_MODE -/* This is temporarily disabled, as AMR has some bugs in RTP mode */ -//#define USE_L1_RTP_MODE /* Tell L1 to use RTP mode */ -#endif - -enum l1prim_type { - L1P_T_REQ, - L1P_T_CONF, - L1P_T_IND, -}; - -const enum l1prim_type femtobts_l1prim_type[GsmL1_PrimId_NUM]; -const struct value_string femtobts_l1prim_names[GsmL1_PrimId_NUM+1]; -const GsmL1_PrimId_t femtobts_l1prim_req2conf[GsmL1_PrimId_NUM]; - -const enum l1prim_type femtobts_sysprim_type[SuperFemto_PrimId_NUM]; -const struct value_string femtobts_sysprim_names[SuperFemto_PrimId_NUM+1]; -const SuperFemto_PrimId_t femtobts_sysprim_req2conf[SuperFemto_PrimId_NUM]; - -const struct value_string femtobts_l1sapi_names[GsmL1_Sapi_NUM+1]; -const struct value_string femtobts_l1status_names[GSML1_STATUS_NUM+1]; - -const struct value_string femtobts_tracef_names[29]; - -const struct value_string femtobts_tch_pl_names[15]; - -const struct value_string femtobts_dir_names[6]; - -enum pdch_cs { - PDCH_CS_1, - PDCH_CS_2, - PDCH_CS_3, - PDCH_CS_4, - PDCH_MCS_1, - PDCH_MCS_2, - PDCH_MCS_3, - PDCH_MCS_4, - PDCH_MCS_5, - PDCH_MCS_6, - PDCH_MCS_7, - PDCH_MCS_8, - PDCH_MCS_9, - _NUM_PDCH_CS -}; - -const uint8_t pdch_msu_size[_NUM_PDCH_CS]; - -#endif /* FEMTOBTS_H */ diff --git a/src/osmo-bts-sysmo/femtobts.c b/src/osmo-bts-sysmo/femtobts.c new file mode 100644 index 0000000..f6957d2 --- /dev/null +++ b/src/osmo-bts-sysmo/femtobts.c @@ -0,0 +1,275 @@ +/* sysmocom femtobts L1 API related definitions */ + +/* (C) 2011 by Harald Welte &lt;laforge(a)gnumonks.org&gt; + * + * 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_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 +}; diff --git a/src/osmo-bts-sysmo/femtobts.h b/src/osmo-bts-sysmo/femtobts.h new file mode 100644 index 0000000..7e45578 --- /dev/null +++ b/src/osmo-bts-sysmo/femtobts.h @@ -0,0 +1,57 @@ +#ifndef FEMTOBTS_H +#define FEMTOBTS_H + +#include <stdlib.h> +#include <osmocom/core/utils.h> + +#include <sysmocom/femtobts/superfemto.h> +#include <sysmocom/femtobts/gsml1const.h> + +#ifdef L1_HAS_RTP_MODE +/* This is temporarily disabled, as AMR has some bugs in RTP mode */ +//#define USE_L1_RTP_MODE /* Tell L1 to use RTP mode */ +#endif + +enum l1prim_type { + L1P_T_REQ, + L1P_T_CONF, + L1P_T_IND, +}; + +const enum l1prim_type femtobts_l1prim_type[GsmL1_PrimId_NUM]; +const struct value_string femtobts_l1prim_names[GsmL1_PrimId_NUM+1]; +const GsmL1_PrimId_t femtobts_l1prim_req2conf[GsmL1_PrimId_NUM]; + +const enum l1prim_type femtobts_sysprim_type[SuperFemto_PrimId_NUM]; +const struct value_string femtobts_sysprim_names[SuperFemto_PrimId_NUM+1]; +const SuperFemto_PrimId_t femtobts_sysprim_req2conf[SuperFemto_PrimId_NUM]; + +const struct value_string femtobts_l1sapi_names[GsmL1_Sapi_NUM+1]; +const struct value_string femtobts_l1status_names[GSML1_STATUS_NUM+1]; + +const struct value_string femtobts_tracef_names[29]; + +const struct value_string femtobts_tch_pl_names[15]; + +const struct value_string femtobts_dir_names[6]; + +enum pdch_cs { + PDCH_CS_1, + PDCH_CS_2, + PDCH_CS_3, + PDCH_CS_4, + PDCH_MCS_1, + PDCH_MCS_2, + PDCH_MCS_3, + PDCH_MCS_4, + PDCH_MCS_5, + PDCH_MCS_6, + PDCH_MCS_7, + PDCH_MCS_8, + PDCH_MCS_9, + _NUM_PDCH_CS +}; + +const uint8_t pdch_msu_size[_NUM_PDCH_CS]; + +#endif /* FEMTOBTS_H */ diff --git a/src/osmo-bts-sysmo/sysmo_l1_fwd.c b/src/osmo-bts-sysmo/sysmo_l1_fwd.c new file mode 100644 index 0000000..535a7f0 --- /dev/null +++ b/src/osmo-bts-sysmo/sysmo_l1_fwd.c @@ -0,0 +1,145 @@ +/* Interface handler for Sysmocom L1 (forwarding) */ + +/* (C) 2011 by Harald Welte &lt;laforge(a)gnumonks.org&gt; + * + * 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 <stdint.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/socket.h> + +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <osmocom/core/talloc.h> +#include <osmocom/core/utils.h> +#include <osmocom/core/select.h> +#include <osmocom/core/write_queue.h> +#include <osmocom/core/msgb.h> +#include <osmocom/core/socket.h> +#include <osmocom/core/timer.h> +#include <osmocom/gsm/gsm_utils.h> + +#include <sysmocom/femtobts/superfemto.h> +#include <sysmocom/femtobts/gsml1prim.h> +#include <sysmocom/femtobts/gsml1const.h> +#include <sysmocom/femtobts/gsml1types.h> + +#include "gprs_debug.h" +#include "sysmo_l1_if.h" + + +#define L1FWD_L1_PORT 9999 +#define L1FWD_SYS_PORT 9998 +#define L1FWD_TCH_PORT 9997 +#define L1FWD_PDTCH_PORT 9996 + +static const uint16_t fwd_udp_ports[] = { + [MQ_SYS_WRITE] = L1FWD_SYS_PORT, + [MQ_L1_WRITE] = L1FWD_L1_PORT, + [MQ_TCH_WRITE] = L1FWD_TCH_PORT, + [MQ_PDTCH_WRITE]= L1FWD_PDTCH_PORT, +}; + +static int fwd_read_cb(struct osmo_fd *ofd) +{ + struct msgb *msg = msgb_alloc_headroom(sizeof(SuperFemto_Prim_t) + 128, + 128, "udp_rx"); + struct femtol1_hdl *fl1h = ofd->data; + int rc; + + if (!msg) + return -ENOMEM; + + msg->l1h = msg->data; + rc = read(ofd->fd, msg->l1h, msgb_tailroom(msg)); + if (rc < 0) { + LOGP(DL1IF, LOGL_ERROR, "Short read from UDP\n"); + msgb_free(msg); + return rc; + } else if (rc == 0) { + LOGP(DL1IF, LOGL_ERROR, "Len=0 from UDP\n"); + msgb_free(msg); + return rc; + } + msgb_put(msg, rc); + + if (ofd->priv_nr == MQ_SYS_WRITE) + rc = l1if_handle_sysprim(fl1h, msg); + else + rc = l1if_handle_l1prim(ofd->priv_nr, fl1h, msg); + + return rc; +} + +static int prim_write_cb(struct osmo_fd *ofd, struct msgb *msg) +{ + /* write to the fd */ + return write(ofd->fd, msg->head, msg->len); +} + +int l1if_transport_open(int q, struct femtol1_hdl *fl1h) +{ + int rc; + char *bts_host = getenv("L1FWD_BTS_HOST"); + + printf("sizeof(GsmL1_Prim_t) = %zu\n", sizeof(GsmL1_Prim_t)); + printf("sizeof(SuperFemto_Prim_t) = %zu\n", sizeof(SuperFemto_Prim_t)); + + if (!bts_host) { + fprintf(stderr, "You have to set the L1FWD_BTS_HOST environment variable\n"); + exit(2); + } + + struct osmo_wqueue *wq = &fl1h->write_q[q]; + struct osmo_fd *ofd = &wq->bfd; + + osmo_wqueue_init(wq, 10); + wq->write_cb = prim_write_cb; + wq->read_cb = fwd_read_cb; + + ofd->data = fl1h; + ofd->priv_nr = q; + ofd->when |= BSC_FD_READ; + + rc = osmo_sock_init_ofd(ofd, AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, + bts_host, fwd_udp_ports[q], + OSMO_SOCK_F_CONNECT); + if (rc < 0) + return rc; + + return 0; +} + +int l1if_transport_close(int q, struct femtol1_hdl *fl1h) +{ + struct osmo_wqueue *wq = &fl1h->write_q[q]; + struct osmo_fd *ofd = &wq->bfd; + + osmo_wqueue_clear(wq); + osmo_fd_unregister(ofd); + close(ofd->fd); + + return 0; +} diff --git a/src/osmo-bts-sysmo/sysmo_l1_hw.c b/src/osmo-bts-sysmo/sysmo_l1_hw.c new file mode 100644 index 0000000..8351d68 --- /dev/null +++ b/src/osmo-bts-sysmo/sysmo_l1_hw.c @@ -0,0 +1,216 @@ +/* Interface handler for Sysmocom L1 (real hardware) */ + +/* (C) 2011 by Harald Welte &lt;laforge(a)gnumonks.org&gt; + * + * 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 <assert.h> +#include <stdint.h> +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> +#include <string.h> + +#include <sys/types.h> +#include <sys/stat.h> + +#include <osmocom/core/talloc.h> +#include <osmocom/core/utils.h> +#include <osmocom/core/select.h> +#include <osmocom/core/write_queue.h> +#include <osmocom/core/timer.h> +#include <osmocom/gsm/gsm_utils.h> + +#include <sysmocom/femtobts/superfemto.h> +#include <sysmocom/femtobts/gsml1prim.h> +#include <sysmocom/femtobts/gsml1const.h> +#include <sysmocom/femtobts/gsml1types.h> + +#include "gprs_debug.h" +#include "femtobts.h" +#include "sysmo_l1_if.h" + + +#ifdef HW_SYSMOBTS_V1 +#define DEV_SYS_DSP2ARM_NAME "/dev/msgq/femtobts_dsp2arm" +#define DEV_SYS_ARM2DSP_NAME "/dev/msgq/femtobts_arm2dsp" +#define DEV_L1_DSP2ARM_NAME "/dev/msgq/gsml1_dsp2arm" +#define DEV_L1_ARM2DSP_NAME "/dev/msgq/gsml1_arm2dsp" +#else +#define DEV_SYS_DSP2ARM_NAME "/dev/msgq/superfemto_dsp2arm" +#define DEV_SYS_ARM2DSP_NAME "/dev/msgq/superfemto_arm2dsp" +#define DEV_L1_DSP2ARM_NAME "/dev/msgq/gsml1_sig_dsp2arm" +#define DEV_L1_ARM2DSP_NAME "/dev/msgq/gsml1_sig_arm2dsp" + +#define DEV_TCH_DSP2ARM_NAME "/dev/msgq/gsml1_tch_dsp2arm" +#define DEV_TCH_ARM2DSP_NAME "/dev/msgq/gsml1_tch_arm2dsp" +#define DEV_PDTCH_DSP2ARM_NAME "/dev/msgq/gsml1_pdtch_dsp2arm" +#define DEV_PDTCH_ARM2DSP_NAME "/dev/msgq/gsml1_pdtch_arm2dsp" +#endif + +static const char *rd_devnames[] = { + [MQ_SYS_READ] = DEV_SYS_DSP2ARM_NAME, + [MQ_L1_READ] = DEV_L1_DSP2ARM_NAME, +#ifndef HW_SYSMOBTS_V1 + [MQ_TCH_READ] = DEV_TCH_DSP2ARM_NAME, + [MQ_PDTCH_READ] = DEV_PDTCH_DSP2ARM_NAME, +#endif +}; + +static const char *wr_devnames[] = { + [MQ_SYS_WRITE] = DEV_SYS_ARM2DSP_NAME, + [MQ_L1_WRITE] = DEV_L1_ARM2DSP_NAME, +#ifndef HW_SYSMOBTS_V1 + [MQ_TCH_WRITE] = DEV_TCH_ARM2DSP_NAME, + [MQ_PDTCH_WRITE]= DEV_PDTCH_ARM2DSP_NAME, +#endif +}; + +/* callback when there's something to read from the l1 msg_queue */ +static int l1if_fd_cb(struct osmo_fd *ofd, unsigned int what) +{ + //struct msgb *msg = l1p_msgb_alloc(); + struct msgb *msg = msgb_alloc_headroom(sizeof(SuperFemto_Prim_t) + 128, + 128, "1l_fd"); + struct femtol1_hdl *fl1h = ofd->data; + int rc; + + msg->l1h = msg->data; + rc = read(ofd->fd, msg->l1h, msgb_tailroom(msg)); + if (rc < 0) { + if (rc != -1) + LOGP(DL1IF, LOGL_ERROR, "error reading from L1 msg_queue: %s\n", + strerror(errno)); + msgb_free(msg); + return rc; + } + msgb_put(msg, rc); + + switch (ofd->priv_nr) { + case MQ_SYS_WRITE: + if (rc != sizeof(SuperFemto_Prim_t)) + LOGP(DL1IF, LOGL_NOTICE, "%u != " + "sizeof(SuperFemto_Prim_t)\n", rc); + return l1if_handle_sysprim(fl1h, msg); + case MQ_L1_WRITE: +#ifndef HW_SYSMOBTS_V1 + case MQ_TCH_WRITE: + case MQ_PDTCH_WRITE: +#endif + if (rc != sizeof(GsmL1_Prim_t)) + LOGP(DL1IF, LOGL_NOTICE, "%u != " + "sizeof(GsmL1_Prim_t)\n", rc); + return l1if_handle_l1prim(ofd->priv_nr, fl1h, msg); + default: + /* The compiler can't know that priv_nr is an enum. Assist. */ + LOGP(DL1IF, LOGL_FATAL, "writing on a wrong queue: %d\n", + ofd->priv_nr); + exit(0); + break; + } +}; + +/* callback when we can write to one of the l1 msg_queue devices */ +static int l1fd_write_cb(struct osmo_fd *ofd, struct msgb *msg) +{ + int rc; + + rc = write(ofd->fd, msg->l1h, msgb_l1len(msg)); + if (rc < 0) { + LOGP(DL1IF, LOGL_ERROR, "error writing to L1 msg_queue: %s\n", + strerror(errno)); + return rc; + } else if (rc < msg->len) { + LOGP(DL1IF, LOGL_ERROR, "short write to L1 msg_queue: " + "%u < %u\n", rc, msg->len); + return -EIO; + } + + return 0; +} + +int l1if_transport_open(int q, struct femtol1_hdl *hdl) +{ + int rc; + + /* Step 1: Open all msg_queue file descriptors */ + struct osmo_fd *read_ofd = &hdl->read_ofd[q]; + struct osmo_wqueue *wq = &hdl->write_q[q]; + struct osmo_fd *write_ofd = &hdl->write_q[q].bfd; + + rc = open(rd_devnames[q], O_RDONLY); + if (rc < 0) { + LOGP(DL1IF, LOGL_FATAL, "unable to open msg_queue: %s\n", + strerror(errno)); + return rc; + } + read_ofd->fd = rc; + read_ofd->priv_nr = q; + read_ofd->data = hdl; + read_ofd->cb = l1if_fd_cb; + read_ofd->when = BSC_FD_READ; + rc = osmo_fd_register(read_ofd); + if (rc < 0) { + close(read_ofd->fd); + read_ofd->fd = -1; + return rc; + } + + rc = open(wr_devnames[q], O_WRONLY); + if (rc < 0) { + LOGP(DL1IF, LOGL_FATAL, "unable to open msg_queue: %s\n", + strerror(errno)); + goto out_read; + } + osmo_wqueue_init(wq, 10); + wq->write_cb = l1fd_write_cb; + write_ofd->fd = rc; + write_ofd->priv_nr = q; + write_ofd->data = hdl; + write_ofd->when = BSC_FD_WRITE; + rc = osmo_fd_register(write_ofd); + if (rc < 0) { + close(write_ofd->fd); + write_ofd->fd = -1; + goto out_read; + } + + return 0; + +out_read: + close(hdl->read_ofd[q].fd); + osmo_fd_unregister(&hdl->read_ofd[q]); + + return rc; +} + +int l1if_transport_close(int q, struct femtol1_hdl *hdl) +{ + struct osmo_fd *read_ofd = &hdl->read_ofd[q]; + struct osmo_fd *write_ofd = &hdl->write_q[q].bfd; + + osmo_fd_unregister(read_ofd); + close(read_ofd->fd); + read_ofd->fd = -1; + + osmo_fd_unregister(write_ofd); + close(write_ofd->fd); + write_ofd->fd = -1; + + return 0; +} diff --git a/src/osmo-bts-sysmo/sysmo_l1_if.c b/src/osmo-bts-sysmo/sysmo_l1_if.c new file mode 100644 index 0000000..c7c54dd --- /dev/null +++ b/src/osmo-bts-sysmo/sysmo_l1_if.c @@ -0,0 +1,394 @@ + +#include <string.h> +#include <errno.h> + +#include <sysmocom/femtobts/superfemto.h> +#include <sysmocom/femtobts/gsml1prim.h> +#include <sysmocom/femtobts/gsml1const.h> +#include <sysmocom/femtobts/gsml1types.h> + +#include <osmocom/core/gsmtap.h> +#include <osmocom/core/talloc.h> +#include <osmocom/core/timer.h> +#include <sysmo_l1_if.h> +#include <gprs_debug.h> +#include <pcu_l1_if.h> + +extern void *tall_pcu_ctx; + +uint32_t l1if_ts_to_hLayer2(uint8_t trx, uint8_t ts) +{ + return (ts << 16) | (trx << 24); +} + +/* allocate a msgb containing a GsmL1_Prim_t */ +struct msgb *l1p_msgb_alloc(void) +{ + struct msgb *msg = msgb_alloc(sizeof(GsmL1_Prim_t), "l1_prim"); + + if (msg) + msg->l1h = msgb_put(msg, sizeof(GsmL1_Prim_t)); + + return msg; +} + +static int l1if_req_pdch(struct femtol1_hdl *fl1h, struct msgb *msg) +{ + struct osmo_wqueue *wqueue = &fl1h->write_q[MQ_PDTCH_WRITE]; + + if (osmo_wqueue_enqueue(wqueue, msg) != 0) { + LOGP(DL1IF, LOGL_ERROR, "PDTCH queue full. dropping message.\n"); + msgb_free(msg); + } + + return 0; +} + +static void *prim_init(GsmL1_Prim_t *prim, GsmL1_PrimId_t id, struct femtol1_hdl *gl1) +{ + prim->id = id; + + /* for some reason the hLayer1 field is not always at the same position + * in the GsmL1_Prim_t, so we have to have this ugly case statement here... */ + switch (id) { + case GsmL1_PrimId_MphInitReq: + //prim->u.mphInitReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_MphCloseReq: + prim->u.mphCloseReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_MphConnectReq: + prim->u.mphConnectReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_MphDisconnectReq: + prim->u.mphDisconnectReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_MphActivateReq: + prim->u.mphActivateReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_MphDeactivateReq: + prim->u.mphDeactivateReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_MphConfigReq: + prim->u.mphConfigReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_MphMeasureReq: + prim->u.mphMeasureReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_MphInitCnf: + case GsmL1_PrimId_MphCloseCnf: + case GsmL1_PrimId_MphConnectCnf: + case GsmL1_PrimId_MphDisconnectCnf: + case GsmL1_PrimId_MphActivateCnf: + case GsmL1_PrimId_MphDeactivateCnf: + case GsmL1_PrimId_MphConfigCnf: + case GsmL1_PrimId_MphMeasureCnf: + break; + case GsmL1_PrimId_MphTimeInd: + break; + case GsmL1_PrimId_MphSyncInd: + break; + case GsmL1_PrimId_PhEmptyFrameReq: + prim->u.phEmptyFrameReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_PhDataReq: + prim->u.phDataReq.hLayer1 = gl1->hLayer1; + break; + case GsmL1_PrimId_PhConnectInd: + break; + case GsmL1_PrimId_PhReadyToSendInd: + break; + case GsmL1_PrimId_PhDataInd: + break; + case GsmL1_PrimId_PhRaInd: + break; + default: + LOGP(DL1IF, LOGL_ERROR, "unknown L1 primitive %u\n", id); + break; + } + return &prim->u; +} + +struct sapi_dir { + GsmL1_Sapi_t sapi; + GsmL1_Dir_t dir; +}; + +static const struct sapi_dir pdtch_sapis[] = { + { GsmL1_Sapi_Pdtch, GsmL1_Dir_TxDownlink }, + { GsmL1_Sapi_Pdtch, GsmL1_Dir_RxUplink }, + { GsmL1_Sapi_Ptcch, GsmL1_Dir_TxDownlink }, + { GsmL1_Sapi_Prach, GsmL1_Dir_RxUplink }, +#if 0 + { GsmL1_Sapi_Ptcch, GsmL1_Dir_RxUplink }, + { GsmL1_Sapi_Pacch, GsmL1_Dir_TxDownlink }, +#endif +}; + + +/* connect PDTCH */ +int l1if_connect_pdch(void *obj, uint8_t ts) +{ + struct femtol1_hdl *fl1h = obj; + struct msgb *msg = l1p_msgb_alloc(); + GsmL1_MphConnectReq_t *cr; + + cr = prim_init(msgb_l1prim(msg), GsmL1_PrimId_MphConnectReq, fl1h); + cr->u8Tn = ts; + cr->logChComb = GsmL1_LogChComb_XIII; + + return l1if_req_pdch(fl1h, msg); +} + +static int handle_ph_readytosend_ind(struct femtol1_hdl *fl1h, + GsmL1_PhReadyToSendInd_t *rts_ind) +{ + struct gsm_time g_time; + int rc = 0; + + gsm_fn2gsmtime(&g_time, rts_ind->u32Fn); + + DEBUGP(DL1IF, "Rx PH-RTS.ind %02u/%02u/%02u SAPI=%s\n", + g_time.t1, g_time.t2, g_time.t3, + get_value_string(femtobts_l1sapi_names, rts_ind->sapi)); + + switch (rts_ind->sapi) { + case GsmL1_Sapi_Pdtch: + case GsmL1_Sapi_Pacch: + rc = pcu_rx_rts_req_pdtch((long)fl1h->priv, rts_ind->u8Tn, + rts_ind->u16Arfcn, rts_ind->u32Fn, rts_ind->u8BlockNbr); + case GsmL1_Sapi_Ptcch: + // FIXME + default: + break; + } + + return rc; +} + +static void get_meas(struct pcu_l1_meas *meas, const GsmL1_MeasParam_t *l1_meas) +{ + meas->rssi = (int8_t) (l1_meas->fRssi); + meas->have_rssi = 1; + meas->ber = (uint8_t) (l1_meas->fBer * 100); + meas->have_ber = 1; + meas->bto = (int16_t) (l1_meas->i16BurstTiming); + meas->have_bto = 1; + meas->link_qual = (int16_t) (l1_meas->fLinkQuality); + meas->have_link_qual = 1; +} + +static int handle_ph_data_ind(struct femtol1_hdl *fl1h, + GsmL1_PhDataInd_t *data_ind, struct msgb *l1p_msg) +{ + int rc = 0; + struct pcu_l1_meas meas = {0}; + + DEBUGP(DL1IF, "Rx PH-DATA.ind %s (hL2 %08x): %s\n", + get_value_string(femtobts_l1sapi_names, data_ind->sapi), + data_ind->hLayer2, + osmo_hexdump(data_ind->msgUnitParam.u8Buffer, + data_ind->msgUnitParam.u8Size)); + + pcu_rx_block_time(data_ind->u16Arfcn, data_ind->u32Fn, data_ind->u8Tn); + + /* + * TODO: Add proper bad frame handling here. This could be used + * to switch the used CS. Avoid a crash with the PCU right now + * feed "0 - 1" amount of data. + */ + if (data_ind->msgUnitParam.u8Size == 0) + return -1; + + gsmtap_send(fl1h->gsmtap, data_ind->u16Arfcn | GSMTAP_ARFCN_F_UPLINK, + data_ind->u8Tn, GSMTAP_CHANNEL_PACCH, 0, + data_ind->u32Fn, 0, 0, data_ind->msgUnitParam.u8Buffer+1, + data_ind->msgUnitParam.u8Size-1); + + get_meas(&meas, &data_ind->measParam); + + switch (data_ind->sapi) { + case GsmL1_Sapi_Pdtch: + case GsmL1_Sapi_Pacch: + /* drop incomplete UL block */ + if (data_ind->msgUnitParam.u8Buffer[0] + != GsmL1_PdtchPlType_Full) + break; + /* PDTCH / PACCH frame handling */ + pcu_rx_data_ind_pdtch((long)fl1h->priv, data_ind->u8Tn, + data_ind->msgUnitParam.u8Buffer + 1, + data_ind->msgUnitParam.u8Size - 1, + data_ind->u32Fn, + &meas); + break; + case GsmL1_Sapi_Ptcch: + // FIXME + break; + default: + LOGP(DL1IF, LOGL_NOTICE, "Rx PH-DATA.ind for unknown L1 SAPI %s\n", + get_value_string(femtobts_l1sapi_names, data_ind->sapi)); + break; + } + + return rc; +} + +#define MIN_QUAL_RACH 5.0f + +static int handle_ph_ra_ind(struct femtol1_hdl *fl1h, GsmL1_PhRaInd_t *ra_ind) +{ + uint8_t acc_delay; + + pcu_rx_ra_time(ra_ind->u16Arfcn, ra_ind->u32Fn, ra_ind->u8Tn); + + if (ra_ind->measParam.fLinkQuality < MIN_QUAL_RACH) + return 0; + + DEBUGP(DL1IF, "Rx PH-RA.ind"); + + /* check for under/overflow / sign */ + if (ra_ind->measParam.i16BurstTiming < 0) + acc_delay = 0; + else + acc_delay = ra_ind->measParam.i16BurstTiming >> 2; + + LOGP(DL1IF, LOGL_NOTICE, "got (P)RACH request, TA = %u (ignored)\n", + acc_delay); + +#warning "The (P)RACH request is just dropped here" + +#if 0 + if (acc_delay > bts->max_ta) { + LOGP(DL1C, LOGL_INFO, "ignoring RACH request %u > max_ta(%u)\n", + acc_delay, btsb->max_ta); + return 0; + } +#endif + + return 0; +} + + +/* handle any random indication from the L1 */ +int l1if_handle_l1prim(int wq, struct femtol1_hdl *fl1h, struct msgb *msg) +{ + GsmL1_Prim_t *l1p = msgb_l1prim(msg); + int rc = 0; + + LOGP(DL1IF, LOGL_DEBUG, "Rx L1 prim %s on queue %d\n", + get_value_string(femtobts_l1prim_names, l1p->id), wq); + + switch (l1p->id) { +#if 0 + case GsmL1_PrimId_MphTimeInd: + rc = handle_mph_time_ind(fl1h, &l1p->u.mphTimeInd); + break; + case GsmL1_PrimId_MphSyncInd: + break; + case GsmL1_PrimId_PhConnectInd: + break; +#endif + case GsmL1_PrimId_PhReadyToSendInd: + rc = handle_ph_readytosend_ind(fl1h, &l1p->u.phReadyToSendInd); + break; + case GsmL1_PrimId_PhDataInd: + rc = handle_ph_data_ind(fl1h, &l1p->u.phDataInd, msg); + break; + case GsmL1_PrimId_PhRaInd: + rc = handle_ph_ra_ind(fl1h, &l1p->u.phRaInd); + break; + default: + break; + } + + msgb_free(msg); + + return rc; +} + +int l1if_handle_sysprim(struct femtol1_hdl *fl1h, struct msgb *msg) +{ + return -ENOTSUP; +} + +/* send packet data request to L1 */ +int l1if_pdch_req(void *obj, uint8_t ts, int is_ptcch, uint32_t fn, + uint16_t arfcn, uint8_t block_nr, uint8_t *data, uint8_t len) +{ + struct femtol1_hdl *fl1h = obj; + struct msgb *msg; + GsmL1_Prim_t *l1p; + GsmL1_PhDataReq_t *data_req; + GsmL1_MsgUnitParam_t *msu_param; + struct gsm_time g_time; + + gsm_fn2gsmtime(&g_time, fn); + + DEBUGP(DL1IF, "TX packet data %02u/%02u/%02u is_ptcch=%d ts=%d " + "block_nr=%d, arfcn=%d, len=%d\n", g_time.t1, g_time.t2, + g_time.t3, is_ptcch, ts, block_nr, arfcn, len); + + msg = l1p_msgb_alloc(); + l1p = msgb_l1prim(msg); + l1p->id = GsmL1_PrimId_PhDataReq; + data_req = &l1p->u.phDataReq; + data_req->hLayer1 = fl1h->hLayer1; + data_req->sapi = (is_ptcch) ? GsmL1_Sapi_Ptcch : GsmL1_Sapi_Pdtch; + data_req->subCh = GsmL1_SubCh_NA; + data_req->u8BlockNbr = block_nr; + data_req->u8Tn = ts; + data_req->u32Fn = fn; + msu_param = &data_req->msgUnitParam; + msu_param->u8Size = len; + memcpy(msu_param->u8Buffer, data, len); + + gsmtap_send(fl1h->gsmtap, arfcn, data_req->u8Tn, GSMTAP_CHANNEL_PACCH, + 0, data_req->u32Fn, 0, 0, + data_req->msgUnitParam.u8Buffer, + data_req->msgUnitParam.u8Size); + + + /* transmit */ + if (osmo_wqueue_enqueue(&fl1h->write_q[MQ_PDTCH_WRITE], msg) != 0) { + LOGP(DL1IF, LOGL_ERROR, "PDTCH queue full. dropping message.\n"); + msgb_free(msg); + } + + return 0; +} + +void *l1if_open_pdch(void *priv, uint32_t hlayer1, struct gsmtap_inst *gsmtap) +{ + struct femtol1_hdl *fl1h; + int rc; + + fl1h = talloc_zero(tall_pcu_ctx, struct femtol1_hdl); + if (!fl1h) + return NULL; + + fl1h->hLayer1 = hlayer1; + fl1h->priv = priv; + fl1h->clk_cal = 0; + /* default clock source: OCXO */ + fl1h->clk_src = SuperFemto_ClkSrcId_Ocxo; + + rc = l1if_transport_open(MQ_PDTCH_WRITE, fl1h); + if (rc < 0) { + talloc_free(fl1h); + return NULL; + } + + fl1h->gsmtap = gsmtap; + + return fl1h; +} + +int l1if_close_pdch(void *obj) +{ + struct femtol1_hdl *fl1h = obj; + if (fl1h) + l1if_transport_close(MQ_PDTCH_WRITE, fl1h); + talloc_free(fl1h); + return 0; +} + diff --git a/src/osmo-bts-sysmo/sysmo_l1_if.h b/src/osmo-bts-sysmo/sysmo_l1_if.h new file mode 100644 index 0000000..6b50d4e --- /dev/null +++ b/src/osmo-bts-sysmo/sysmo_l1_if.h @@ -0,0 +1,91 @@ +#ifndef _SYSMO_L1_IF_H +#define _SYSMO_L1_IF_H + +#include <osmocom/core/select.h> +#include <osmocom/core/write_queue.h> +#include <osmocom/core/gsmtap_util.h> +#include <osmocom/gsm/gsm_utils.h> +#include "femtobts.h" + +enum { + MQ_SYS_READ, + MQ_L1_READ, +#ifndef HW_SYSMOBTS_V1 + MQ_TCH_READ, + MQ_PDTCH_READ, +#endif + _NUM_MQ_READ +}; + +enum { + MQ_SYS_WRITE, + MQ_L1_WRITE, +#ifndef HW_SYSMOBTS_V1 + MQ_TCH_WRITE, + MQ_PDTCH_WRITE, +#endif + _NUM_MQ_WRITE +}; + +struct femtol1_hdl { + struct gsm_time gsm_time; + uint32_t hLayer1; /* handle to the L1 instance in the DSP */ + uint32_t dsp_trace_f; + int clk_cal; + uint8_t clk_src; + struct llist_head wlc_list; + + struct gsmtap_inst *gsmtap; + uint32_t gsmtap_sapi_mask; + + void *priv; /* user reference */ + + struct osmo_timer_list alive_timer; + unsigned int alive_prim_cnt; + + struct osmo_fd read_ofd[_NUM_MQ_READ]; /* osmo file descriptors */ + struct osmo_wqueue write_q[_NUM_MQ_WRITE]; + + struct { + uint8_t dsp_version[3]; + uint8_t fpga_version[3]; + uint32_t band_support; /* bitmask of GSM_BAND_* */ + } hw_info; +}; + +#define msgb_l1prim(msg) ((GsmL1_Prim_t *)(msg)->l1h) +#define msgb_sysprim(msg) ((SuperFemto_Prim_t *)(msg)->l1h) + +typedef int l1if_compl_cb(struct msgb *l1_msg, void *data); + +/* send a request primitive to the L1 and schedule completion call-back */ +int l1if_req_compl(struct femtol1_hdl *fl1h, struct msgb *msg, + int is_system_prim, l1if_compl_cb *cb, void *data); + +int l1if_reset(struct femtol1_hdl *hdl); +int l1if_activate_rf(struct femtol1_hdl *hdl, int on); +int l1if_set_trace_flags(struct femtol1_hdl *hdl, uint32_t flags); +int l1if_set_txpower(struct femtol1_hdl *fl1h, float tx_power); + +struct msgb *l1p_msgb_alloc(void); +struct msgb *sysp_msgb_alloc(void); + +uint32_t l1if_lchan_to_hLayer2(struct gsm_lchan *lchan); +struct gsm_lchan *l1if_hLayer2_to_lchan(struct gsm_bts_trx *trx, uint32_t hLayer2); + +int l1if_handle_sysprim(struct femtol1_hdl *fl1h, struct msgb *msg); +int l1if_handle_l1prim(int wq, struct femtol1_hdl *fl1h, struct msgb *msg); + +/* tch.c */ +int l1if_tch_rx(struct gsm_lchan *lchan, struct msgb *l1p_msg); +int l1if_tch_fill(struct gsm_lchan *lchan, uint8_t *l1_buffer); +struct msgb *gen_empty_tch_msg(struct gsm_lchan *lchan); + +/* + * The implementation of these functions is selected by either compiling and + * linking sysmo_l1_hw.c or sysmo_l1_fwd.c + */ +int l1if_transport_open(int q, struct femtol1_hdl *hdl); +int l1if_transport_close(int q, struct femtol1_hdl *hdl); + +#endif /* _SYSMO_L1_IF_H */ diff --git a/src/sysmo_l1_fwd.c b/src/sysmo_l1_fwd.c deleted file mode 100644 index 535a7f0..0000000 --- a/src/sysmo_l1_fwd.c +++ /dev/null @@ -1,145 +0,0 @@ -/* Interface handler for Sysmocom L1 (forwarding) */ - -/* (C) 2011 by Harald Welte &lt;laforge(a)gnumonks.org&gt; - * - * 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 <stdint.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include <fcntl.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/socket.h> - -#include <netinet/in.h> -#include <arpa/inet.h> - -#include <osmocom/core/talloc.h> -#include <osmocom/core/utils.h> -#include <osmocom/core/select.h> -#include <osmocom/core/write_queue.h> -#include <osmocom/core/msgb.h> -#include <osmocom/core/socket.h> -#include <osmocom/core/timer.h> -#include <osmocom/gsm/gsm_utils.h> - -#include <sysmocom/femtobts/superfemto.h> -#include <sysmocom/femtobts/gsml1prim.h> -#include <sysmocom/femtobts/gsml1const.h> -#include <sysmocom/femtobts/gsml1types.h> - -#include "gprs_debug.h" -#include "sysmo_l1_if.h" - - -#define L1FWD_L1_PORT 9999 -#define L1FWD_SYS_PORT 9998 -#define L1FWD_TCH_PORT 9997 -#define L1FWD_PDTCH_PORT 9996 - -static const uint16_t fwd_udp_ports[] = { - [MQ_SYS_WRITE] = L1FWD_SYS_PORT, - [MQ_L1_WRITE] = L1FWD_L1_PORT, - [MQ_TCH_WRITE] = L1FWD_TCH_PORT, - [MQ_PDTCH_WRITE]= L1FWD_PDTCH_PORT, -}; - -static int fwd_read_cb(struct osmo_fd *ofd) -{ - struct msgb *msg = msgb_alloc_headroom(sizeof(SuperFemto_Prim_t) + 128, - 128, "udp_rx"); - struct femtol1_hdl *fl1h = ofd->data; - int rc; - - if (!msg) - return -ENOMEM; - - msg->l1h = msg->data; - rc = read(ofd->fd, msg->l1h, msgb_tailroom(msg)); - if (rc < 0) { - LOGP(DL1IF, LOGL_ERROR, "Short read from UDP\n"); - msgb_free(msg); - return rc; - } else if (rc == 0) { - LOGP(DL1IF, LOGL_ERROR, "Len=0 from UDP\n"); - msgb_free(msg); - return rc; - } - msgb_put(msg, rc); - - if (ofd->priv_nr == MQ_SYS_WRITE) - rc = l1if_handle_sysprim(fl1h, msg); - else - rc = l1if_handle_l1prim(ofd->priv_nr, fl1h, msg); - - return rc; -} - -static int prim_write_cb(struct osmo_fd *ofd, struct msgb *msg) -{ - /* write to the fd */ - return write(ofd->fd, msg->head, msg->len); -} - -int l1if_transport_open(int q, struct femtol1_hdl *fl1h) -{ - int rc; - char *bts_host = getenv("L1FWD_BTS_HOST"); - - printf("sizeof(GsmL1_Prim_t) = %zu\n", sizeof(GsmL1_Prim_t)); - printf("sizeof(SuperFemto_Prim_t) = %zu\n", sizeof(SuperFemto_Prim_t)); - - if (!bts_host) { - fprintf(stderr, "You have to set the L1FWD_BTS_HOST environment variable\n"); - exit(2); - } - - struct osmo_wqueue *wq = &fl1h->write_q[q]; - struct osmo_fd *ofd = &wq->bfd; - - osmo_wqueue_init(wq, 10); - wq->write_cb = prim_write_cb; - wq->read_cb = fwd_read_cb; - - ofd->data = fl1h; - ofd->priv_nr = q; - ofd->when |= BSC_FD_READ; - - rc = osmo_sock_init_ofd(ofd, AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, - bts_host, fwd_udp_ports[q], - OSMO_SOCK_F_CONNECT); - if (rc < 0) - return rc; - - return 0; -} - -int l1if_transport_close(int q, struct femtol1_hdl *fl1h) -{ - struct osmo_wqueue *wq = &fl1h->write_q[q]; - struct osmo_fd *ofd = &wq->bfd; - - osmo_wqueue_clear(wq); - osmo_fd_unregister(ofd); - close(ofd->fd); - - return 0; -} diff --git a/src/sysmo_l1_hw.c b/src/sysmo_l1_hw.c deleted file mode 100644 index 8351d68..0000000 --- a/src/sysmo_l1_hw.c +++ /dev/null @@ -1,216 +0,0 @@ -/* Interface handler for Sysmocom L1 (real hardware) */ - -/* (C) 2011 by Harald Welte &lt;laforge(a)gnumonks.org&gt; - * - * 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 <assert.h> -#include <stdint.h> -#include <unistd.h> -#include <errno.h> -#include <fcntl.h> -#include <string.h> - -#include <sys/types.h> -#include <sys/stat.h> - -#include <osmocom/core/talloc.h> -#include <osmocom/core/utils.h> -#include <osmocom/core/select.h> -#include <osmocom/core/write_queue.h> -#include <osmocom/core/timer.h> -#include <osmocom/gsm/gsm_utils.h> - -#include <sysmocom/femtobts/superfemto.h> -#include <sysmocom/femtobts/gsml1prim.h> -#include <sysmocom/femtobts/gsml1const.h> -#include <sysmocom/femtobts/gsml1types.h> - -#include "gprs_debug.h" -#include "femtobts.h" -#include "sysmo_l1_if.h" - - -#ifdef HW_SYSMOBTS_V1 -#define DEV_SYS_DSP2ARM_NAME "/dev/msgq/femtobts_dsp2arm" -#define DEV_SYS_ARM2DSP_NAME "/dev/msgq/femtobts_arm2dsp" -#define DEV_L1_DSP2ARM_NAME "/dev/msgq/gsml1_dsp2arm" -#define DEV_L1_ARM2DSP_NAME "/dev/msgq/gsml1_arm2dsp" -#else -#define DEV_SYS_DSP2ARM_NAME "/dev/msgq/superfemto_dsp2arm" -#define DEV_SYS_ARM2DSP_NAME "/dev/msgq/superfemto_arm2dsp" -#define DEV_L1_DSP2ARM_NAME "/dev/msgq/gsml1_sig_dsp2arm" -#define DEV_L1_ARM2DSP_NAME "/dev/msgq/gsml1_sig_arm2dsp" - -#define DEV_TCH_DSP2ARM_NAME "/dev/msgq/gsml1_tch_dsp2arm" -#define DEV_TCH_ARM2DSP_NAME "/dev/msgq/gsml1_tch_arm2dsp" -#define DEV_PDTCH_DSP2ARM_NAME "/dev/msgq/gsml1_pdtch_dsp2arm" -#define DEV_PDTCH_ARM2DSP_NAME "/dev/msgq/gsml1_pdtch_arm2dsp" -#endif - -static const char *rd_devnames[] = { - [MQ_SYS_READ] = DEV_SYS_DSP2ARM_NAME, - [MQ_L1_READ] = DEV_L1_DSP2ARM_NAME, -#ifndef HW_SYSMOBTS_V1 - [MQ_TCH_READ] = DEV_TCH_DSP2ARM_NAME, - [MQ_PDTCH_READ] = DEV_PDTCH_DSP2ARM_NAME, -#endif -}; - -static const char *wr_devnames[] = { - [MQ_SYS_WRITE] = DEV_SYS_ARM2DSP_NAME, - [MQ_L1_WRITE] = DEV_L1_ARM2DSP_NAME, -#ifndef HW_SYSMOBTS_V1 - [MQ_TCH_WRITE] = DEV_TCH_ARM2DSP_NAME, - [MQ_PDTCH_WRITE]= DEV_PDTCH_ARM2DSP_NAME, -#endif -}; - -/* callback when there's something to read from the l1 msg_queue */ -static int l1if_fd_cb(struct osmo_fd *ofd, unsigned int what) -{ - //struct msgb *msg = l1p_msgb_alloc(); - struct msgb *msg = msgb_alloc_headroom(sizeof(SuperFemto_Prim_t) + 128, - 128, "1l_fd"); - struct femtol1_hdl *fl1h = ofd->data; - int rc; - - msg->l1h = msg->data; - rc = read(ofd->fd, msg->l1h, msgb_tailroom(msg)); - if (rc < 0) { - if (rc != -1) - LOGP(DL1IF, LOGL_ERROR, "error reading from L1 msg_queue: %s\n", - strerror(errno)); - msgb_free(msg); - return rc; - } - msgb_put(msg, rc); - - switch (ofd->priv_nr) { - case MQ_SYS_WRITE: - if (rc != sizeof(SuperFemto_Prim_t)) - LOGP(DL1IF, LOGL_NOTICE, "%u != " - "sizeof(SuperFemto_Prim_t)\n", rc); - return l1if_handle_sysprim(fl1h, msg); - case MQ_L1_WRITE: -#ifndef HW_SYSMOBTS_V1 - case MQ_TCH_WRITE: - case MQ_PDTCH_WRITE: -#endif - if (rc != sizeof(GsmL1_Prim_t)) - LOGP(DL1IF, LOGL_NOTICE, "%u != " - "sizeof(GsmL1_Prim_t)\n", rc); - return l1if_handle_l1prim(ofd->priv_nr, fl1h, msg); - default: - /* The compiler can't know that priv_nr is an enum. Assist. */ - LOGP(DL1IF, LOGL_FATAL, "writing on a wrong queue: %d\n", - ofd->priv_nr); - exit(0); - break; - } -}; - -/* callback when we can write to one of the l1 msg_queue devices */ -static int l1fd_write_cb(struct osmo_fd *ofd, struct msgb *msg) -{ - int rc; - - rc = write(ofd->fd, msg->l1h, msgb_l1len(msg)); - if (rc < 0) { - LOGP(DL1IF, LOGL_ERROR, "error writing to L1 msg_queue: %s\n", - strerror(errno)); - return rc; - } else if (rc < msg->len) { - LOGP(DL1IF, LOGL_ERROR, "short write to L1 msg_queue: " - "%u < %u\n", rc, msg->len); - return -EIO; - } - - return 0; -} - -int l1if_transport_open(int q, struct femtol1_hdl *hdl) -{ - int rc; - - /* Step 1: Open all msg_queue file descriptors */ - struct osmo_fd *read_ofd = &hdl->read_ofd[q]; - struct osmo_wqueue *wq = &hdl->write_q[q]; - struct osmo_fd *write_ofd = &hdl->write_q[q].bfd; - - rc = open(rd_devnames[q], O_RDONLY); - if (rc < 0) { - LOGP(DL1IF, LOGL_FATAL, "unable to open msg_queue: %s\n", - strerror(errno)); - return rc; - } - read_ofd->fd = rc; - read_ofd->priv_nr = q; - read_ofd->data = hdl; - read_ofd->cb = l1if_fd_cb; - read_ofd->when = BSC_FD_READ; - rc = osmo_fd_register(read_ofd); - if (rc < 0) { - close(read_ofd->fd); - read_ofd->fd = -1; - return rc; - } - - rc = open(wr_devnames[q], O_WRONLY); - if (rc < 0) { - LOGP(DL1IF, LOGL_FATAL, "unable to open msg_queue: %s\n", - strerror(errno)); - goto out_read; - } - osmo_wqueue_init(wq, 10); - wq->write_cb = l1fd_write_cb; - write_ofd->fd = rc; - write_ofd->priv_nr = q; - write_ofd->data = hdl; - write_ofd->when = BSC_FD_WRITE; - rc = osmo_fd_register(write_ofd); - if (rc < 0) { - close(write_ofd->fd); - write_ofd->fd = -1; - goto out_read; - } - - return 0; - -out_read: - close(hdl->read_ofd[q].fd); - osmo_fd_unregister(&hdl->read_ofd[q]); - - return rc; -} - -int l1if_transport_close(int q, struct femtol1_hdl *hdl) -{ - struct osmo_fd *read_ofd = &hdl->read_ofd[q]; - struct osmo_fd *write_ofd = &hdl->write_q[q].bfd; - - osmo_fd_unregister(read_ofd); - close(read_ofd->fd); - read_ofd->fd = -1; - - osmo_fd_unregister(write_ofd); - close(write_ofd->fd); - write_ofd->fd = -1; - - return 0; -} diff --git a/src/sysmo_l1_if.c b/src/sysmo_l1_if.c deleted file mode 100644 index c7c54dd..0000000 --- a/src/sysmo_l1_if.c +++ /dev/null @@ -1,394 +0,0 @@ - -#include <string.h> -#include <errno.h> - -#include <sysmocom/femtobts/superfemto.h> -#include <sysmocom/femtobts/gsml1prim.h> -#include <sysmocom/femtobts/gsml1const.h> -#include <sysmocom/femtobts/gsml1types.h> - -#include <osmocom/core/gsmtap.h> -#include <osmocom/core/talloc.h> -#include <osmocom/core/timer.h> -#include <sysmo_l1_if.h> -#include <gprs_debug.h> -#include <pcu_l1_if.h> - -extern void *tall_pcu_ctx; - -uint32_t l1if_ts_to_hLayer2(uint8_t trx, uint8_t ts) -{ - return (ts << 16) | (trx << 24); -} - -/* allocate a msgb containing a GsmL1_Prim_t */ -struct msgb *l1p_msgb_alloc(void) -{ - struct msgb *msg = msgb_alloc(sizeof(GsmL1_Prim_t), "l1_prim"); - - if (msg) - msg->l1h = msgb_put(msg, sizeof(GsmL1_Prim_t)); - - return msg; -} - -static int l1if_req_pdch(struct femtol1_hdl *fl1h, struct msgb *msg) -{ - struct osmo_wqueue *wqueue = &fl1h->write_q[MQ_PDTCH_WRITE]; - - if (osmo_wqueue_enqueue(wqueue, msg) != 0) { - LOGP(DL1IF, LOGL_ERROR, "PDTCH queue full. dropping message.\n"); - msgb_free(msg); - } - - return 0; -} - -static void *prim_init(GsmL1_Prim_t *prim, GsmL1_PrimId_t id, struct femtol1_hdl *gl1) -{ - prim->id = id; - - /* for some reason the hLayer1 field is not always at the same position - * in the GsmL1_Prim_t, so we have to have this ugly case statement here... */ - switch (id) { - case GsmL1_PrimId_MphInitReq: - //prim->u.mphInitReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_MphCloseReq: - prim->u.mphCloseReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_MphConnectReq: - prim->u.mphConnectReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_MphDisconnectReq: - prim->u.mphDisconnectReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_MphActivateReq: - prim->u.mphActivateReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_MphDeactivateReq: - prim->u.mphDeactivateReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_MphConfigReq: - prim->u.mphConfigReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_MphMeasureReq: - prim->u.mphMeasureReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_MphInitCnf: - case GsmL1_PrimId_MphCloseCnf: - case GsmL1_PrimId_MphConnectCnf: - case GsmL1_PrimId_MphDisconnectCnf: - case GsmL1_PrimId_MphActivateCnf: - case GsmL1_PrimId_MphDeactivateCnf: - case GsmL1_PrimId_MphConfigCnf: - case GsmL1_PrimId_MphMeasureCnf: - break; - case GsmL1_PrimId_MphTimeInd: - break; - case GsmL1_PrimId_MphSyncInd: - break; - case GsmL1_PrimId_PhEmptyFrameReq: - prim->u.phEmptyFrameReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_PhDataReq: - prim->u.phDataReq.hLayer1 = gl1->hLayer1; - break; - case GsmL1_PrimId_PhConnectInd: - break; - case GsmL1_PrimId_PhReadyToSendInd: - break; - case GsmL1_PrimId_PhDataInd: - break; - case GsmL1_PrimId_PhRaInd: - break; - default: - LOGP(DL1IF, LOGL_ERROR, "unknown L1 primitive %u\n", id); - break; - } - return &prim->u; -} - -struct sapi_dir { - GsmL1_Sapi_t sapi; - GsmL1_Dir_t dir; -}; - -static const struct sapi_dir pdtch_sapis[] = { - { GsmL1_Sapi_Pdtch, GsmL1_Dir_TxDownlink }, - { GsmL1_Sapi_Pdtch, GsmL1_Dir_RxUplink }, - { GsmL1_Sapi_Ptcch, GsmL1_Dir_TxDownlink }, - { GsmL1_Sapi_Prach, GsmL1_Dir_RxUplink }, -#if 0 - { GsmL1_Sapi_Ptcch, GsmL1_Dir_RxUplink }, - { GsmL1_Sapi_Pacch, GsmL1_Dir_TxDownlink }, -#endif -}; - - -/* connect PDTCH */ -int l1if_connect_pdch(void *obj, uint8_t ts) -{ - struct femtol1_hdl *fl1h = obj; - struct msgb *msg = l1p_msgb_alloc(); - GsmL1_MphConnectReq_t *cr; - - cr = prim_init(msgb_l1prim(msg), GsmL1_PrimId_MphConnectReq, fl1h); - cr->u8Tn = ts; - cr->logChComb = GsmL1_LogChComb_XIII; - - return l1if_req_pdch(fl1h, msg); -} - -static int handle_ph_readytosend_ind(struct femtol1_hdl *fl1h, - GsmL1_PhReadyToSendInd_t *rts_ind) -{ - struct gsm_time g_time; - int rc = 0; - - gsm_fn2gsmtime(&g_time, rts_ind->u32Fn); - - DEBUGP(DL1IF, "Rx PH-RTS.ind %02u/%02u/%02u SAPI=%s\n", - g_time.t1, g_time.t2, g_time.t3, - get_value_string(femtobts_l1sapi_names, rts_ind->sapi)); - - switch (rts_ind->sapi) { - case GsmL1_Sapi_Pdtch: - case GsmL1_Sapi_Pacch: - rc = pcu_rx_rts_req_pdtch((long)fl1h->priv, rts_ind->u8Tn, - rts_ind->u16Arfcn, rts_ind->u32Fn, rts_ind->u8BlockNbr); - case GsmL1_Sapi_Ptcch: - // FIXME - default: - break; - } - - return rc; -} - -static void get_meas(struct pcu_l1_meas *meas, const GsmL1_MeasParam_t *l1_meas) -{ - meas->rssi = (int8_t) (l1_meas->fRssi); - meas->have_rssi = 1; - meas->ber = (uint8_t) (l1_meas->fBer * 100); - meas->have_ber = 1; - meas->bto = (int16_t) (l1_meas->i16BurstTiming); - meas->have_bto = 1; - meas->link_qual = (int16_t) (l1_meas->fLinkQuality); - meas->have_link_qual = 1; -} - -static int handle_ph_data_ind(struct femtol1_hdl *fl1h, - GsmL1_PhDataInd_t *data_ind, struct msgb *l1p_msg) -{ - int rc = 0; - struct pcu_l1_meas meas = {0}; - - DEBUGP(DL1IF, "Rx PH-DATA.ind %s (hL2 %08x): %s\n", - get_value_string(femtobts_l1sapi_names, data_ind->sapi), - data_ind->hLayer2, - osmo_hexdump(data_ind->msgUnitParam.u8Buffer, - data_ind->msgUnitParam.u8Size)); - - pcu_rx_block_time(data_ind->u16Arfcn, data_ind->u32Fn, data_ind->u8Tn); - - /* - * TODO: Add proper bad frame handling here. This could be used - * to switch the used CS. Avoid a crash with the PCU right now - * feed "0 - 1" amount of data. - */ - if (data_ind->msgUnitParam.u8Size == 0) - return -1; - - gsmtap_send(fl1h->gsmtap, data_ind->u16Arfcn | GSMTAP_ARFCN_F_UPLINK, - data_ind->u8Tn, GSMTAP_CHANNEL_PACCH, 0, - data_ind->u32Fn, 0, 0, data_ind->msgUnitParam.u8Buffer+1, - data_ind->msgUnitParam.u8Size-1); - - get_meas(&meas, &data_ind->measParam); - - switch (data_ind->sapi) { - case GsmL1_Sapi_Pdtch: - case GsmL1_Sapi_Pacch: - /* drop incomplete UL block */ - if (data_ind->msgUnitParam.u8Buffer[0] - != GsmL1_PdtchPlType_Full) - break; - /* PDTCH / PACCH frame handling */ - pcu_rx_data_ind_pdtch((long)fl1h->priv, data_ind->u8Tn, - data_ind->msgUnitParam.u8Buffer + 1, - data_ind->msgUnitParam.u8Size - 1, - data_ind->u32Fn, - &meas); - break; - case GsmL1_Sapi_Ptcch: - // FIXME - break; - default: - LOGP(DL1IF, LOGL_NOTICE, "Rx PH-DATA.ind for unknown L1 SAPI %s\n", - get_value_string(femtobts_l1sapi_names, data_ind->sapi)); - break; - } - - return rc; -} - -#define MIN_QUAL_RACH 5.0f - -static int handle_ph_ra_ind(struct femtol1_hdl *fl1h, GsmL1_PhRaInd_t *ra_ind) -{ - uint8_t acc_delay; - - pcu_rx_ra_time(ra_ind->u16Arfcn, ra_ind->u32Fn, ra_ind->u8Tn); - - if (ra_ind->measParam.fLinkQuality < MIN_QUAL_RACH) - return 0; - - DEBUGP(DL1IF, "Rx PH-RA.ind"); - - /* check for under/overflow / sign */ - if (ra_ind->measParam.i16BurstTiming < 0) - acc_delay = 0; - else - acc_delay = ra_ind->measParam.i16BurstTiming >> 2; - - LOGP(DL1IF, LOGL_NOTICE, "got (P)RACH request, TA = %u (ignored)\n", - acc_delay); - -#warning "The (P)RACH request is just dropped here" - -#if 0 - if (acc_delay > bts->max_ta) { - LOGP(DL1C, LOGL_INFO, "ignoring RACH request %u > max_ta(%u)\n", - acc_delay, btsb->max_ta); - return 0; - } -#endif - - return 0; -} - - -/* handle any random indication from the L1 */ -int l1if_handle_l1prim(int wq, struct femtol1_hdl *fl1h, struct msgb *msg) -{ - GsmL1_Prim_t *l1p = msgb_l1prim(msg); - int rc = 0; - - LOGP(DL1IF, LOGL_DEBUG, "Rx L1 prim %s on queue %d\n", - get_value_string(femtobts_l1prim_names, l1p->id), wq); - - switch (l1p->id) { -#if 0 - case GsmL1_PrimId_MphTimeInd: - rc = handle_mph_time_ind(fl1h, &l1p->u.mphTimeInd); - break; - case GsmL1_PrimId_MphSyncInd: - break; - case GsmL1_PrimId_PhConnectInd: - break; -#endif - case GsmL1_PrimId_PhReadyToSendInd: - rc = handle_ph_readytosend_ind(fl1h, &l1p->u.phReadyToSendInd); - break; - case GsmL1_PrimId_PhDataInd: - rc = handle_ph_data_ind(fl1h, &l1p->u.phDataInd, msg); - break; - case GsmL1_PrimId_PhRaInd: - rc = handle_ph_ra_ind(fl1h, &l1p->u.phRaInd); - break; - default: - break; - } - - msgb_free(msg); - - return rc; -} - -int l1if_handle_sysprim(struct femtol1_hdl *fl1h, struct msgb *msg) -{ - return -ENOTSUP; -} - -/* send packet data request to L1 */ -int l1if_pdch_req(void *obj, uint8_t ts, int is_ptcch, uint32_t fn, - uint16_t arfcn, uint8_t block_nr, uint8_t *data, uint8_t len) -{ - struct femtol1_hdl *fl1h = obj; - struct msgb *msg; - GsmL1_Prim_t *l1p; - GsmL1_PhDataReq_t *data_req; - GsmL1_MsgUnitParam_t *msu_param; - struct gsm_time g_time; - - gsm_fn2gsmtime(&g_time, fn); - - DEBUGP(DL1IF, "TX packet data %02u/%02u/%02u is_ptcch=%d ts=%d " - "block_nr=%d, arfcn=%d, len=%d\n", g_time.t1, g_time.t2, - g_time.t3, is_ptcch, ts, block_nr, arfcn, len); - - msg = l1p_msgb_alloc(); - l1p = msgb_l1prim(msg); - l1p->id = GsmL1_PrimId_PhDataReq; - data_req = &l1p->u.phDataReq; - data_req->hLayer1 = fl1h->hLayer1; - data_req->sapi = (is_ptcch) ? GsmL1_Sapi_Ptcch : GsmL1_Sapi_Pdtch; - data_req->subCh = GsmL1_SubCh_NA; - data_req->u8BlockNbr = block_nr; - data_req->u8Tn = ts; - data_req->u32Fn = fn; - msu_param = &data_req->msgUnitParam; - msu_param->u8Size = len; - memcpy(msu_param->u8Buffer, data, len); - - gsmtap_send(fl1h->gsmtap, arfcn, data_req->u8Tn, GSMTAP_CHANNEL_PACCH, - 0, data_req->u32Fn, 0, 0, - data_req->msgUnitParam.u8Buffer, - data_req->msgUnitParam.u8Size); - - - /* transmit */ - if (osmo_wqueue_enqueue(&fl1h->write_q[MQ_PDTCH_WRITE], msg) != 0) { - LOGP(DL1IF, LOGL_ERROR, "PDTCH queue full. dropping message.\n"); - msgb_free(msg); - } - - return 0; -} - -void *l1if_open_pdch(void *priv, uint32_t hlayer1, struct gsmtap_inst *gsmtap) -{ - struct femtol1_hdl *fl1h; - int rc; - - fl1h = talloc_zero(tall_pcu_ctx, struct femtol1_hdl); - if (!fl1h) - return NULL; - - fl1h->hLayer1 = hlayer1; - fl1h->priv = priv; - fl1h->clk_cal = 0; - /* default clock source: OCXO */ - fl1h->clk_src = SuperFemto_ClkSrcId_Ocxo; - - rc = l1if_transport_open(MQ_PDTCH_WRITE, fl1h); - if (rc < 0) { - talloc_free(fl1h); - return NULL; - } - - fl1h->gsmtap = gsmtap; - - return fl1h; -} - -int l1if_close_pdch(void *obj) -{ - struct femtol1_hdl *fl1h = obj; - if (fl1h) - l1if_transport_close(MQ_PDTCH_WRITE, fl1h); - talloc_free(fl1h); - return 0; -} - diff --git a/src/sysmo_l1_if.h b/src/sysmo_l1_if.h deleted file mode 100644 index 6b50d4e..0000000 --- a/src/sysmo_l1_if.h +++ /dev/null @@ -1,91 +0,0 @@ -#ifndef _SYSMO_L1_IF_H -#define _SYSMO_L1_IF_H - -#include <osmocom/core/select.h> -#include <osmocom/core/write_queue.h> -#include <osmocom/core/gsmtap_util.h> -#include <osmocom/gsm/gsm_utils.h> -#include "femtobts.h" - -enum { - MQ_SYS_READ, - MQ_L1_READ, -#ifndef HW_SYSMOBTS_V1 - MQ_TCH_READ, - MQ_PDTCH_READ, -#endif - _NUM_MQ_READ -}; - -enum { - MQ_SYS_WRITE, - MQ_L1_WRITE, -#ifndef HW_SYSMOBTS_V1 - MQ_TCH_WRITE, - MQ_PDTCH_WRITE, -#endif - _NUM_MQ_WRITE -}; - -struct femtol1_hdl { - struct gsm_time gsm_time; - uint32_t hLayer1; /* handle to the L1 instance in the DSP */ - uint32_t dsp_trace_f; - int clk_cal; - uint8_t clk_src; - struct llist_head wlc_list; - - struct gsmtap_inst *gsmtap; - uint32_t gsmtap_sapi_mask; - - void *priv; /* user reference */ - - struct osmo_timer_list alive_timer; - unsigned int alive_prim_cnt; - - struct osmo_fd read_ofd[_NUM_MQ_READ]; /* osmo file descriptors */ - struct osmo_wqueue write_q[_NUM_MQ_WRITE]; - - struct { - uint8_t dsp_version[3]; - uint8_t fpga_version[3]; - uint32_t band_support; /* bitmask of GSM_BAND_* */ - } hw_info; -}; - -#define msgb_l1prim(msg) ((GsmL1_Prim_t *)(msg)->l1h) -#define msgb_sysprim(msg) ((SuperFemto_Prim_t *)(msg)->l1h) - -typedef int l1if_compl_cb(struct msgb *l1_msg, void *data); - -/* send a request primitive to the L1 and schedule completion call-back */ -int l1if_req_compl(struct femtol1_hdl *fl1h, struct msgb *msg, - int is_system_prim, l1if_compl_cb *cb, void *data); - -int l1if_reset(struct femtol1_hdl *hdl); -int l1if_activate_rf(struct femtol1_hdl *hdl, int on); -int l1if_set_trace_flags(struct femtol1_hdl *hdl, uint32_t flags); -int l1if_set_txpower(struct femtol1_hdl *fl1h, float tx_power); - -struct msgb *l1p_msgb_alloc(void); -struct msgb *sysp_msgb_alloc(void); - -uint32_t l1if_lchan_to_hLayer2(struct gsm_lchan *lchan); -struct gsm_lchan *l1if_hLayer2_to_lchan(struct gsm_bts_trx *trx, uint32_t hLayer2); - -int l1if_handle_sysprim(struct femtol1_hdl *fl1h, struct msgb *msg); -int l1if_handle_l1prim(int wq, struct femtol1_hdl *fl1h, struct msgb *msg); - -/* tch.c */ -int l1if_tch_rx(struct gsm_lchan *lchan, struct msgb *l1p_msg); -int l1if_tch_fill(struct gsm_lchan *lchan, uint8_t *l1_buffer); -struct msgb *gen_empty_tch_msg(struct gsm_lchan *lchan); - -/* - * The implementation of these functions is selected by either compiling and - * linking sysmo_l1_hw.c or sysmo_l1_fwd.c - */ -int l1if_transport_open(int q, struct femtol1_hdl *hdl); -int l1if_transport_close(int q, struct femtol1_hdl *hdl); - -#endif /* _SYSMO_L1_IF_H */ -- 2.8.1