[PW_SID:950146] [BlueZ,v2] tools: add BPF timestamping tests

.github/workflows/ci.yml

@@ -0,0 +1,25 @@
+name: CI
+
+on: [pull_request]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    name: CI for Pull Request
+    steps:
+    - name: Checkout the source code
+      uses: actions/checkout@v3
+      with:
+        path: src/src
+
+    - name: CI
+      uses: tedd-an/bzcafe@main
+      with:
+        task: ci
+        base_folder: src
+        space: user
+        github_token: ${{ secrets.ACTION_TOKEN }}
+        email_token: ${{ secrets.EMAIL_TOKEN }}
+        patchwork_token: ${{ secrets.PATCHWORK_TOKEN }}
+        patchwork_user: ${{ secrets.PATCHWORK_USER }}
+

.github/workflows/code_scan.yml

@@ -0,0 +1,26 @@
+name: Code Scan
+
+on:
+  schedule:
+  - cron:  "40 7 * * FRI"
+
+jobs:
+  code-scan:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout the source
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+        path: src
+    - name: Code Scan
+      uses: BluezTestBot/action-code-scan@main
+      with:
+        src_path: src
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        email_token: ${{ secrets.EMAIL_TOKEN }}
+    - uses: actions/upload-artifact@v2
+      with:
+        name: scan_report
+        path: scan_report.tar.gz
+

.github/workflows/sync.yml

@@ -0,0 +1,43 @@
+name: Sync
+
+on:
+  schedule:
+  - cron:  "*/30 * * * *"
+
+jobs:
+  sync_repo:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        ref: master
+
+    - name: Sync Repo
+      uses: tedd-an/bzcafe@main
+      with:
+        task: sync
+        upstream_repo: 'https://git.kernel.org/pub/scm/bluetooth/bluez.git'
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Cleanup PR
+      uses: tedd-an/bzcafe@main
+      with:
+        task: cleanup
+        github_token: ${{ secrets.ACTION_TOKEN }} 
+
+  sync_patchwork:
+    needs: sync_repo
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Sync Patchwork
+      uses: tedd-an/bzcafe@main
+      with:
+        task: patchwork
+        space: user
+        github_token: ${{ secrets.ACTION_TOKEN }}
+        email_token: ${{ secrets.EMAIL_TOKEN }}
+        patchwork_token: ${{ secrets.PATCHWORK_TOKEN }}
+        patchwork_user: ${{ secrets.PATCHWORK_USER }}
+

Makefile.tools

@@ -144,6 +144,8 @@ tools_l2cap_tester_SOURCES = tools/l2cap-tester.c tools/tester.h monitor/bt.h \
 				emulator/smp.c
 tools_l2cap_tester_LDADD = lib/libbluetooth-internal.la \
 				src/libshared-glib.la $(GLIB_LIBS)
+tools_l2cap_tester_CPPFLAGS = $(AM_CPPFLAGS) $(GLIB_CFLAGS)
+nodist_tools_l2cap_tester_SOURCES =
 
 tools_rfcomm_tester_SOURCES = tools/rfcomm-tester.c monitor/bt.h \
 				emulator/hciemu.h emulator/hciemu.c \
@@ -191,6 +193,8 @@ tools_sco_tester_SOURCES = tools/sco-tester.c tools/tester.h monitor/bt.h \
 				emulator/smp.c
 tools_sco_tester_LDADD = lib/libbluetooth-internal.la \
 				src/libshared-glib.la $(GLIB_LIBS)
+tools_sco_tester_CPPFLAGS = $(AM_CPPFLAGS) $(GLIB_CFLAGS)
+nodist_tools_sco_tester_SOURCES =
 
 tools_hci_tester_SOURCES = tools/hci-tester.c monitor/bt.h
 tools_hci_tester_LDADD = src/libshared-glib.la $(GLIB_LIBS)
@@ -212,6 +216,8 @@ tools_iso_tester_SOURCES = tools/iso-tester.c tools/tester.h monitor/bt.h \
 				emulator/smp.c
 tools_iso_tester_LDADD = lib/libbluetooth-internal.la \
 				src/libshared-glib.la $(GLIB_LIBS)
+tools_iso_tester_CPPFLAGS = $(AM_CPPFLAGS) $(GLIB_CFLAGS)
+nodist_tools_iso_tester_SOURCES =
 
 tools_ioctl_tester_SOURCES = tools/ioctl-tester.c monitor/bt.h \
 				emulator/hciemu.h emulator/hciemu.c \
@@ -221,6 +227,39 @@ tools_ioctl_tester_SOURCES = tools/ioctl-tester.c monitor/bt.h \
 				emulator/smp.c
 tools_ioctl_tester_LDADD = lib/libbluetooth-internal.la \
 				src/libshared-glib.la $(GLIB_LIBS)
+
+if TESTING_BPF
+tools/vmlinux.h: $(BPF_VMLINUX)
+	$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
+		bpftool btf dump file $(BPF_VMLINUX) format c > $@.new && \
+		mv -f $@.new $@
+
+tools/tester-bpf.o: $(srcdir)/tools/tester-bpf.c tools/vmlinux.h
+	$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
+		$(CLANG_BPF) -Wall -Werror -Os -g --target=bpf -Itools -c -o $@ $<
+
+tools/tester-skel.h: tools/tester-bpf.o
+	$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
+		bpftool gen skeleton $< > $@.new && \
+		mv -f $@.new $@
+
+BPF_BUILT_SOURCES = $(builddir)/tools/tester-skel.h $(builddir)/tools/vmlinux.h
+
+nodist_tools_sco_tester_SOURCES += $(BPF_BUILT_SOURCES)
+nodist_tools_iso_tester_SOURCES += $(BPF_BUILT_SOURCES)
+nodist_tools_l2cap_tester_SOURCES += $(BPF_BUILT_SOURCES)
+BUILT_SOURCES += $(BPF_BUILT_SOURCES)
+CLEANFILES += $(BPF_BUILT_SOURCES)
+
+tools_sco_tester_CPPFLAGS += -I$(builddir)/tools $(LIBBPF_CFLAGS)
+tools_iso_tester_CPPFLAGS += -I$(builddir)/tools $(LIBBPF_CFLAGS)
+tools_l2cap_tester_CPPFLAGS += -I$(builddir)/tools $(LIBBPF_CFLAGS)
+
+tools_sco_tester_LDADD += $(LIBBPF_LIBS)
+tools_iso_tester_LDADD += $(LIBBPF_LIBS)
+tools_l2cap_tester_LDADD += $(LIBBPF_LIBS)
+endif
+
 endif
 
 if TOOLS

configure.ac

@@ -390,10 +390,38 @@ AC_ARG_ENABLE(testing, AS_HELP_STRING([--enable-testing],
 AM_CONDITIONAL(TESTING, test "${enable_testing}" = "yes")
 
 if (test "${enable_testing}" = "yes"); then
-   AC_CHECK_DECLS([SOF_TIMESTAMPING_TX_COMPLETION, SCM_TSTAMP_COMPLETION],
-	[], [], [[#include <time.h>
-		#include <linux/errqueue.h>
-		#include <linux/net_tstamp.h>]])
+	AC_CHECK_DECLS([SOF_TIMESTAMPING_TX_COMPLETION, SCM_TSTAMP_COMPLETION],
+		[], [], [[#include <time.h>
+			#include <linux/errqueue.h>
+			#include <linux/net_tstamp.h>]])
+fi
+
+AC_ARG_ENABLE(testing-bpf, AS_HELP_STRING([--enable-testing-bpf[=PATH/TO/VMLINUX]],
+			[enable BPF testing tools]),
+			[enable_testing_bpf=yes; enable_testing_bpf_arg=${enableval}],
+			[enable_bpf=no])
+AM_CONDITIONAL(TESTING_BPF, test "${enable_testing_bpf}" = "yes")
+
+if (test "${enable_testing_bpf}" = "yes"); then
+	AC_ARG_VAR(CLANG_BPF, [CLANG compiler (for BPF)])
+	AC_ARG_VAR(BPFTOOL, [bpftool])
+	AC_ARG_VAR(BPF_VMLINUX, [vmlinux image to use for BPF testing])
+	AC_PATH_PROG([CLANG_BPF], [clang], "no")
+	if (test "${CLANG_BPF}" == "no"); then
+		AC_MSG_ERROR([clang for BPF missing])
+	fi
+	AC_PATH_PROG([BPFTOOL], [bpftool], "no")
+	if (test "${BPFTOOL}" == "no"); then
+		AC_MSG_ERROR([bpftool missing])
+	fi
+	PKG_CHECK_MODULES(LIBBPF, libbpf >= 1.4, [], [AC_MSG_ERROR([libbpf missing])])
+	if (test "${enable_testing_bpf_arg}" != "yes"); then
+		BPF_VMLINUX=${enable_testing_bpf_arg}
+	elif (test "${BPF_VMLINUX}" = ""); then
+		BPF_VMLINUX=/sys/kernel/btf/vmlinux
+	fi
+	AC_MSG_NOTICE([using BPF_VMLINUX=${BPF_VMLINUX} for BPF testing])
+	AC_DEFINE(HAVE_BPF, 1, [Define to 1 if bpf testing is required])
 fi
 
 AC_ARG_ENABLE(experimental, AS_HELP_STRING([--enable-experimental],

doc/test-runner.rst

@@ -91,8 +91,8 @@ Bluetooth
 
 	CONFIG_UHID=y
 
-Lock debuging
--------------
+Lock debugging
+--------------
 
 To catch locking related issues the following set of kernel config
 options may be useful:
@@ -110,6 +110,21 @@ options may be useful:
 	CONFIG_DEBUG_MUTEXES=y
 	CONFIG_KASAN=y
 
+BPF testing
+-----------
+
+For BPF related tests:
+
+.. code-block::
+
+	CONFIG_BPF=y
+	CONFIG_BPF_SYSCALL=y
+	CONFIG_BPF_JIT=y
+	CONFIG_CGROUPS=y
+	CONFIG_CGROUP_BPF=y
+	CONFIG_DEBUG_INFO_DWARF5=y
+	CONFIG_DEBUG_INFO_BTF=y
+
 EXAMPLES
 ========
 
@@ -127,6 +142,15 @@ Running a specific test of mgmt-tester
 
 	$ tools/test-runner -k /pathto/bzImage -- tools/mgmt-tester -s "<name>"
 
+Compiling and running BPF tests
+-------------------------------
+
+.. code-block::
+
+	$ ./configure --enable-testing --enable-testing-bpf=/home/me/linux/vmlinux
+	$ make
+	$ tools/test-runner -k /home/me/linux/arch/x86_64/boot/bzImage -- tools/iso-tester -s BPF
+
 Running bluetoothctl with emulated controller
 ---------------------------------------------
 

doc/tester.config

@@ -57,3 +57,11 @@ CONFIG_PROVE_RCU=y
 CONFIG_LOCKDEP=y
 CONFIG_DEBUG_MUTEXES=y
 CONFIG_KASAN=y
+
+CONFIG_BPF=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT=y
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_BPF=y
+CONFIG_DEBUG_INFO_DWARF5=y
+CONFIG_DEBUG_INFO_BTF=y