kernel: add new ltq-vdsl-vr11 driver

This uses version 4.23.1 of the drv_dsl_cpe_api package from the Intel
UGW 8.5.2.10 for the VRX518.

Signed-off-by: Martin Schiller <ms.3headeddevs@gmail.com>
[rebased and updated for kernel 5.10]
Signed-off-by: Jan Hoffmann <jan@3e8.eu>
[update to 4.23.1, switch to tag tarball, update patches]
Signed-off-by: Andre Heider <a.heider@gmail.com>
[added fix for elapsed time and upstream MINEFTR]
Signed-off-by: Jan Hoffmann <jan@3e8.eu>
Signed-off-by: Andre Heider <a.heider@gmail.com>

6 files changed, 349 insertions, 0 deletions

diff --git a/package/kernel/lantiq/ltq-vdsl-vr11/Makefile b/package/kernel/lantiq/ltq-vdsl-vr11/Makefile
new file mode 100644
index 0000000000..64db4662ee
--- /dev/null
+++ b/package/kernel/lantiq/ltq-vdsl-vr11/Makefile
@@ -0,0 +1,80 @@
+# Copyright (C) 2012 OpenWrt.org
+# Copyright (C) 2015-2016 Lantiq Beteiligungs GmbH & Co KG.
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=ltq-vdsl-vr11
+PKG_VERSION:=4.23.1
+PKG_RELEASE:=$(AUTORELEASE)
+PKG_BASE_NAME:=dsl_cpe_api
+
+UGW_VERSION=8.5.2.10
+UGW_BASENAME=$(PKG_BASE_NAME)-ugw_$(UGW_VERSION)
+
+PKG_SOURCE:=$(UGW_BASENAME).tar.bz2
+PKG_SOURCE_URL:=https://gitlab.com/prpl-foundation/intel/$(PKG_BASE_NAME)/-/archive/ugw_$(UGW_VERSION)/
+PKG_HASH:=5e8bbab841d67dc16e329d9b3774f6db4189dd1d01f575d0e921ccf2c426dd9f
+PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/$(UGW_BASENAME)
+PKG_LICENSE:=GPL-2.0 BSD-2-Clause
+PKG_LICENSE_FILES:=LICENSE
+
+PKG_FIXUP:=autoreconf
+
+include $(INCLUDE_DIR)/package.mk
+
+# TODO this driver depends on the vrx518 dsl firmware, add this dependency if
+# that ever gets a compatible license
+define KernelPackage/ltq-vdsl-vr11
+  TITLE:=vdsl driver
+  SECTION:=sys
+  SUBMENU:=Network Devices
+  DEPENDS:=@TARGET_ipq40xx +kmod-ltq-vdsl-vr11-mei
+  FILES:=$(PKG_BUILD_DIR)/src/drv_dsl_cpe_api.ko
+  AUTOLOAD:=$(call AutoLoad,51,drv_dsl_cpe_api)
+endef
+
+define Package/ltq-vdsl-vr11/description
+  This package contains the Lantiq DSL CPE API driver.
+
+  Supported Devices:
+  - VRX500 Family
+endef
+
+MAKE_FLAGS += \
+	$(KERNEL_MAKE_FLAGS) \
+	SHELL="$(BASH)"
+
+CONFIGURE_ARGS += \
+	--enable-add-drv-cflags="" \
+	--enable-add_ext_drv_cflags="-DDSL_DRV_ATM_PTM_INTERFACE_ENABLE=1" \
+	--enable-debug-logger-support=no
+
+CONFIGURE_ARGS += --enable-kernel-include="$(LINUX_DIR)/include" \
+	--enable-vrx \
+	--enable-vrx-device=vr11 \
+	--enable-ifxos \
+	--enable-ifxos-include="-I$(STAGING_DIR)/usr/include/ifxos" \
+	--enable-driver-include="-I$(STAGING_DIR)/usr/include/vdsl" \
+	--enable-linux-26 \
+	--enable-kernelbuild="$(LINUX_DIR)" \
+	--enable-debug-prints=no \
+	ARCH=$(LINUX_KARCH)
+
+CONFIGURE_ARGS += \
+	--enable-model=full \
+	--enable-dsl-ceoc=no
+#CONFIGURE_ARGS += --enable-model=lite
+#CONFIGURE_ARGS += --enable-model=footprint
+#CONFIGURE_ARGS += --enable-model=typical
+#CONFIGURE_ARGS += --enable-model=debug
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include/drv_vdsl_cpe_api
+	$(CP) $(PKG_BUILD_DIR)/src/include/drv_dsl_cpe*.h $(1)/usr/include/drv_vdsl_cpe_api/
+endef
+
+$(eval $(call KernelPackage,ltq-vdsl-vr11))
diff --git a/package/kernel/lantiq/ltq-vdsl-vr11/patches/001-fix-compile.patch b/package/kernel/lantiq/ltq-vdsl-vr11/patches/001-fix-compile.patch
new file mode 100644
index 0000000000..709c3766de
--- /dev/null
+++ b/package/kernel/lantiq/ltq-vdsl-vr11/patches/001-fix-compile.patch
@@ -0,0 +1,84 @@
+--- a/src/include/drv_dsl_cpe_os_linux.h
++++ b/src/include/drv_dsl_cpe_os_linux.h
+@@ -36,6 +36,7 @@
+ #endif
+ 
+ #include <linux/sched.h>
++#include <linux/sched/signal.h>
+ 
+ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
+    #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+--- a/configure.in
++++ b/configure.in
+@@ -422,7 +422,7 @@ AC_ARG_ENABLE(debug-prints,
+             AC_SUBST([DSL_DBG_MAX_LEVEL_SET],[no])
+ 
+             AC_SUBST([DSL_DBG_MAX_LEVEL_PRE],[n/a])
+-            AC_SUBST([INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT],[no])
++            AC_SUBST([INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT],[yes])
+             ;;
+         no | none )
+             AC_DEFINE(DSL_DEBUG_DISABLE,,[Disabled debug prints])
+@@ -433,7 +433,7 @@ AC_ARG_ENABLE(debug-prints,
+             AC_SUBST([DSL_DBG_MAX_LEVEL_SET],[no])
+ 
+             AC_SUBST([DSL_DBG_MAX_LEVEL_PRE],[n/a])
+-            AC_SUBST([INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT],[yes])
++            AC_SUBST([INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT],[no])
+             ;;
+         prn | 0x1 )
+             AC_SUBST([DSL_DEBUG_DISABLE],[no])
+--- a/src/common/drv_dsl_cpe_api.c
++++ b/src/common/drv_dsl_cpe_api.c
+@@ -88,8 +88,12 @@ static DSL_uint32_t g_VRxPD_IOctlWhiteli
+    DSL_FIO_BAND_PLAN_STATUS_GET,
+    DSL_FIO_DBG_MODULE_LEVEL_GET,
+    DSL_FIO_DBG_MODULE_LEVEL_SET,
++#ifdef INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT
++#ifndef DSL_DEBUG_DISABLE
+    DSL_FIO_DBG_MODULE_DESTINATION_GET,
+    DSL_FIO_DBG_MODULE_DESTINATION_SET,
++#endif /* DSL_DEBUG_DISABLE*/
++#endif /* INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT */
+    DSL_FIO_OPERATOR_CONFIG_GET,
+    DSL_FIO_OPERATOR_CONFIG_SET,
+    /* Delimeter only. Keep it! */
+--- a/src/common/drv_dsl_cpe_os_linux.c
++++ b/src/common/drv_dsl_cpe_os_linux.c
+@@ -625,7 +625,7 @@ DSL_void_t* DSL_DRV_VMalloc(
+    DSL_DRV_size_t    nSize)
+ {
+    /* VRX500-BU: Better to use vmalloc or vzmalloc here?! */
+-   return __vmalloc((unsigned long)nSize, GFP_KERNEL, PAGE_KERNEL);
++   return __vmalloc((unsigned long)nSize, GFP_KERNEL);
+    /*   return vmalloc(nSize);*/
+ }
+ 
+--- a/src/include/drv_dsl_cpe_debug.h
++++ b/src/include/drv_dsl_cpe_debug.h
+@@ -99,6 +99,7 @@ DSL_void_t DSL_DRV_ErrorSet(DSL_void_t *
+    /** Terminate execution if assertion fails */
+    #define DSL_ASSERT(exp)                 ((void)0)
+ 
++   #define DSL_DEBUG_LIMIT(level, body)    ((void)0)
+ #else
+ 
+    #define DSL_DEBUG_SET_ERROR(code) DSL_DRV_ErrorSet(pContext, code);
+--- a/src/pm/drv_dsl_cpe_pm_core.c
++++ b/src/pm/drv_dsl_cpe_pm_core.c
+@@ -26,6 +26,7 @@
+ #define DSL_DBG_BLOCK DSL_DBG_PM
+ 
+ #ifdef __LINUX__
++#ifndef DSL_DEBUG_DISABLE
+ #define DSL_PM_CORE_RATELIMIT_INTERVAL     20 * HZ /* for each 20 seconds */
+ #define DSL_PM_CORE_RATELIMIT_BURST        1       /* 1 occurrence */
+ /* struct ratelimit_state to be used in DSL_DEBUG_LIMIT */
+@@ -33,6 +34,7 @@ static DEFINE_RATELIMIT_STATE(
+    DSL_DBG_RATELIMIT_STRUCT_NAME(DSL_DBG_BLOCK),
+    DSL_PM_CORE_RATELIMIT_INTERVAL,
+    DSL_PM_CORE_RATELIMIT_BURST);
++#endif
+ #endif/* __LINUX__ */
+ 
+ DSL_boolean_t DSL_DRV_PM_IsPmReady(
diff --git a/package/kernel/lantiq/ltq-vdsl-vr11/patches/020-not-leak-cflags.patch b/package/kernel/lantiq/ltq-vdsl-vr11/patches/020-not-leak-cflags.patch
new file mode 100644
index 0000000000..21fc0be18e
--- /dev/null
+++ b/package/kernel/lantiq/ltq-vdsl-vr11/patches/020-not-leak-cflags.patch
@@ -0,0 +1,23 @@
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -283,10 +283,7 @@ else
+ drv_dsl_cpe_api_common_mod_cflags =
+ endif
+ 
+-drv_dsl_cpe_api_common_cflags = -DLINUX -D__LINUX__ -D__KERNEL__ -DEXPORT_SYMTAB \
+-    -pipe -Wall -Wformat -Wimplicit -Wunused -Wswitch -Wcomment -Winline \
+-    -Wuninitialized -Wparentheses -Wreturn-type \
+-    -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common
++drv_dsl_cpe_api_common_cflags = -DLINUX -D__LINUX__ -D__KERNEL__ -DEXPORT_SYMTAB
+ 
+ if DSL_DBG_MAX_LEVEL_SET
+ drv_dsl_cpe_api_common_cflags += -DDSL_DBG_MAX_LEVEL=$(DSL_DBG_MAX_LEVEL_PRE)
+@@ -296,7 +293,7 @@ endif
+ drv_dsl_cpe_api_target_cflags = $(ADD_DRV_CFLAGS)
+ 
+ # compile cflags
+-drv_dsl_cpe_api_compile_cflags = $(EXTRA_DRV_CFLAGS)
++drv_dsl_cpe_api_compile_cflags =
+ 
+ if !KERNEL_2_6
+ # the headerfile of linux kernels 2.6.x contain to much arithmetic
diff --git a/package/kernel/lantiq/ltq-vdsl-vr11/patches/100-compat.patch b/package/kernel/lantiq/ltq-vdsl-vr11/patches/100-compat.patch
new file mode 100644
index 0000000000..eeda611d71
--- /dev/null
+++ b/package/kernel/lantiq/ltq-vdsl-vr11/patches/100-compat.patch
@@ -0,0 +1,18 @@
+--- a/src/common/drv_dsl_cpe_os_linux.c
++++ b/src/common/drv_dsl_cpe_os_linux.c
+@@ -1051,12 +1051,11 @@ DSL_int32_t DSL_DRV_ThreadShutdown(
+ 
+ DSL_uint32_t DSL_DRV_SysTimeGet(DSL_uint32_t nOffset)
+ {
+-   struct timeval tv;
++   struct timespec64 now;
+    DSL_uint32_t nTime = 0;
+ 
+-   memset(&tv, 0, sizeof(tv));
+-   do_gettimeofday(&tv);
+-   nTime = (DSL_uint32_t)tv.tv_sec;
++   ktime_get_real_ts64(&now);
++   nTime = (DSL_uint32_t)now.tv_sec;
+ 
+    if ( (nOffset == 0) || (nOffset > nTime) )
+    {
diff --git a/package/kernel/lantiq/ltq-vdsl-vr11/patches/200-fix-elapsed-time.patch b/package/kernel/lantiq/ltq-vdsl-vr11/patches/200-fix-elapsed-time.patch
new file mode 100644
index 0000000000..2734415d15
--- /dev/null
+++ b/package/kernel/lantiq/ltq-vdsl-vr11/patches/200-fix-elapsed-time.patch
@@ -0,0 +1,122 @@
+--- a/src/include/drv_dsl_cpe_pm_core.h
++++ b/src/include/drv_dsl_cpe_pm_core.h
+@@ -1554,9 +1554,9 @@ typedef struct
+    DSL_boolean_t bShowtimeProcessingStart;
+    /** Showtime reached flag*/
+    DSL_boolean_t bShowtimeInvTrigger;
+-   /** Current Showtime synchronization time to be used, (msec) */
++   /** Current Showtime synchronization time to be used, (sec) */
+    DSL_uint32_t nCurrShowtimeTime;
+-   /** Showtime synchronization time to be used, (msec) */
++   /** Showtime synchronization time to be used, (sec) */
+    DSL_uint32_t nElapsedShowtimeTime;
+    /** Actual Line state*/
+    DSL_LineStateValue_t nLineState;
+--- a/src/pm/drv_dsl_cpe_api_pm.c
++++ b/src/pm/drv_dsl_cpe_api_pm.c
+@@ -1633,7 +1633,7 @@ DSL_Error_t DSL_DRV_PM_ChannelCountersTo
+    }
+ 
+    /* Fill Total Counters elapsed time*/
+-   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime/DSL_PM_MSEC;
++   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime;
+ 
+    pChCounters = DSL_DRV_PM_PTR_CHANNEL_COUNTERS_TOTAL(pCounters->nChannel,pCounters->nDirection);
+ 
+@@ -1693,7 +1693,7 @@ DSL_Error_t DSL_DRV_PM_ChannelCountersEx
+    }
+ 
+    /* Fill Total Counters elapsed time*/
+-   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime/DSL_PM_MSEC;
++   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime;
+ 
+    pChCounters = DSL_DRV_PM_PTR_CHANNEL_COUNTERS_TOTAL_EXT(pCounters->nChannel);
+ 
+@@ -2764,7 +2764,7 @@ DSL_Error_t DSL_DRV_PM_DataPathCountersT
+    }
+ 
+    /* Fill Total Counters elapsed time*/
+-   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime/DSL_PM_MSEC;
++   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime;
+ 
+    pDpCounters = DSL_DRV_PM_PTR_DATAPATH_COUNTERS_TOTAL(pCounters->nChannel,pCounters->nDirection);
+ 
+@@ -3678,7 +3678,7 @@ DSL_Error_t DSL_DRV_PM_DataPathFailureCo
+    }
+ 
+    /* Fill Total Counters elapsed time*/
+-   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime/DSL_PM_MSEC;
++   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime;
+ 
+    pDpCounters = DSL_DRV_PM_PTR_DATAPATH_FAILURE_COUNTERS_TOTAL(pCounters->nChannel,pCounters->nDirection);
+ 
+@@ -4536,7 +4536,7 @@ DSL_Error_t DSL_DRV_PM_LineSecCountersTo
+    }
+ 
+    /* Fill Total Counters elapsed time*/
+-   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime/DSL_PM_MSEC;
++   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime;
+ 
+    pLineCounters = DSL_DRV_PM_PTR_LINE_SEC_COUNTERS_TOTAL(pCounters->nDirection);
+ 
+@@ -5273,7 +5273,7 @@ DSL_Error_t DSL_DRV_PM_LineInitCountersT
+    }
+ 
+    /* Fill Total Counters elapsed time*/
+-   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime/DSL_PM_MSEC;
++   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime;
+ 
+    pLinitCounters = DSL_DRV_PM_PTR_LINE_INIT_COUNTERS_TOTAL();
+ 
+@@ -5774,7 +5774,7 @@ DSL_Error_t DSL_DRV_PM_LineEventShowtime
+    }
+ 
+    /* Fill Total Counters elapsed time*/
+-   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime/DSL_PM_MSEC;
++   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime;
+ 
+    pLfCounters = DSL_DRV_PM_PTR_LINE_EVENT_SHOWTIME_COUNTERS_TOTAL(pCounters->nDirection);
+ 
+@@ -6302,7 +6302,7 @@ DSL_Error_t DSL_DRV_PM_ReTxCountersTotal
+    }
+ 
+    /* Fill Total Counters elapsed time*/
+-   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime/DSL_PM_MSEC;
++   pCounters->total.nElapsedTime = DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime;
+ 
+    pReTxCounters = DSL_DRV_PM_PTR_RETX_COUNTERS_TOTAL(pCounters->nDirection);
+ 
+--- a/src/pm/drv_dsl_cpe_pm_core.c
++++ b/src/pm/drv_dsl_cpe_pm_core.c
+@@ -78,6 +78,7 @@ static DSL_Error_t DSL_DRV_PM_SyncTimeUp
+ {
+    DSL_Error_t nErrCode = DSL_SUCCESS;
+    DSL_uint32_t msecTimeFrame = DSL_PM_COUNTER_POLLING_CYCLE,
++                secTimeFrame = DSL_PM_COUNTER_POLLING_CYCLE/DSL_PM_MSEC,
+                 nCurrMsTime = 0;
+ #ifdef INCLUDE_DSL_CPE_PM_HISTORY
+    DSL_uint32_t nCurrSysTime = 0, nPrevElapsedTime = 0;
+@@ -117,10 +118,13 @@ static DSL_Error_t DSL_DRV_PM_SyncTimeUp
+    {
+       /* Get elapsed time [msec] since the last entry*/
+       msecTimeFrame = nCurrMsTime  - DSL_DRV_PM_CONTEXT(pContext)->nLastMsTimeCheck;
++
++      /* Get elapsed time [sec] since the last entry*/
++      secTimeFrame = (nCurrMsTime/DSL_PM_MSEC) - (DSL_DRV_PM_CONTEXT(pContext)->nLastMsTimeCheck/DSL_PM_MSEC);
+    }
+ 
+    /* Get Total Elapsed Time Since the PM module startup*/
+-   DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime += msecTimeFrame;
++   DSL_DRV_PM_CONTEXT(pContext)->nPmTotalElapsedTime += secTimeFrame;
+ 
+    /* Set last time check to the current time*/
+    DSL_DRV_PM_CONTEXT(pContext)->nLastMsTimeCheck = nCurrMsTime;
+@@ -158,7 +162,7 @@ static DSL_Error_t DSL_DRV_PM_SyncTimeUp
+       else
+       {
+          /* Update current showtime elapsed time*/
+-         DSL_DRV_PM_CONTEXT(pContext)->nCurrShowtimeTime   += (msecTimeFrame/DSL_PM_MSEC);
++         DSL_DRV_PM_CONTEXT(pContext)->nCurrShowtimeTime   += secTimeFrame;
+          DSL_DRV_PM_CONTEXT(pContext)->nElapsedShowtimeTime =
+             DSL_DRV_PM_CONTEXT(pContext)->nCurrShowtimeTime;
+       }
diff --git a/package/kernel/lantiq/ltq-vdsl-vr11/patches/210-fix-us-eftrmin.patch b/package/kernel/lantiq/ltq-vdsl-vr11/patches/210-fix-us-eftrmin.patch
new file mode 100644
index 0000000000..ad912605b6
--- /dev/null
+++ b/package/kernel/lantiq/ltq-vdsl-vr11/patches/210-fix-us-eftrmin.patch
@@ -0,0 +1,22 @@
+--- a/src/pm/drv_dsl_cpe_api_pm_vrx.c
++++ b/src/pm/drv_dsl_cpe_api_pm_vrx.c
+@@ -1482,9 +1482,16 @@ DSL_Error_t DSL_DRV_PM_DEV_ReTxCountersG
+       /* ignore zero value*/
+       if (nEftrMin)
+       {
+-         /* Fw Format:  kBit/s */
+-         /* API format: bit/s */
+-         pCounters->nEftrMin = nEftrMin*1000;
++         if (nDirection == DSL_NEAR_END)
++         {
++            /* Fw Format:  kBit/s */
++            /* API format: bit/s */
++            pCounters->nEftrMin = nEftrMin*1000;
++         }
++         else
++         {
++            pCounters->nEftrMin = nEftrMin;
++         }
+       }
+    }
+    else