diff --git a/repos/dde_linux/recipes/src/usb_net_drv/content.mk b/repos/dde_linux/recipes/src/usb_net_drv/content.mk
new file mode 100644
index 0000000000..61ca75a5c1
--- /dev/null
+++ b/repos/dde_linux/recipes/src/usb_net_drv/content.mk
@@ -0,0 +1,11 @@
+MIRROR_FROM_REP_DIR := src/drivers/usb_net
+
+content: $(MIRROR_FROM_REP_DIR)
+$(MIRROR_FROM_REP_DIR):
+ $(mirror_from_rep_dir)
+
+PORT_DIR := $(call port_dir,$(GENODE_DIR)/repos/dde_linux/ports/linux)
+
+content: LICENSE
+LICENSE:
+ cp $(PORT_DIR)/src/linux/COPYING $@
diff --git a/repos/dde_linux/recipes/src/usb_net_drv/hash b/repos/dde_linux/recipes/src/usb_net_drv/hash
new file mode 100644
index 0000000000..f443f363ae
--- /dev/null
+++ b/repos/dde_linux/recipes/src/usb_net_drv/hash
@@ -0,0 +1 @@
+2023-07-11-p 9df48e239f9ca1d4233a198e4ec39a4ed571b366
diff --git a/repos/dde_linux/recipes/src/usb_net_drv/used_apis b/repos/dde_linux/recipes/src/usb_net_drv/used_apis
new file mode 100644
index 0000000000..a39e56144e
--- /dev/null
+++ b/repos/dde_linux/recipes/src/usb_net_drv/used_apis
@@ -0,0 +1,10 @@
+base
+genode_c_api
+jitterentropy
+nic_session
+os
+report_session
+terminal_session
+uplink_session
+usb_session
+virt_linux
diff --git a/repos/dde_linux/src/drivers/usb_net/README b/repos/dde_linux/src/drivers/usb_net/README
new file mode 100644
index 0000000000..946421acef
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/README
@@ -0,0 +1,70 @@
+ USB NIC driver
+
+
+Driver for network-interface cards and LTE modems with MBIM support connected via USB.
+
+
+Current supported devices
+=========================
+
+* NICs containing an AX88179A chip
+* NICs that support the NCM profile (e.g., RTL8156)
+* NICs that the ECM profile
+* LTE modems that support the MBIM configuration
+
+
+NIC configuration
+=================
+
+Configuration snippet:
+
+!
+!
+!
+!
+!
+! ....
+!
+!
+
+The driver connects as an Uplink client to Genode's network infrastructure.
+
+The 'mac' can be used to configure the hardware address on devices that support
+setting it and for devices that do not offer a hardware address (a random
+address will be used otherwise).
+
+The 'configuration' attribute allows for setting the desired configuration
+profile of the USB device in case there is more than one profile. In case it is
+omitted or 0, the driver will choose a profile (first non-vendor specific).
+
+
+LTE modem configuration
+========================
+
+Currently there is support for MBIM (Mobile Broadband Interface Model) devices.
+
+Tested devices:
+Huawai ME906s (P/V: 12d1:15c1) - "configuration=3" for 'usb_net_drv'
+Fibocom L830-EB-00 (P/V: 2cb7:0210) - automatically detected
+
+
+!
+!
+!
+!
+!
+!
+!
+!
+! ....
+!
+!
+
+
+In case the driver finds a MBIM capable device it will announce a terminal
+session which is used as the control channel (wireless communication device
+class - CDC WDM).
+
+An example scenario can be found in Genode World
+(_src/app/mbimcli_). Once a data connection is established via the Terminal
+session, the Uplink session is used to transfer Ethernet frames.
diff --git a/repos/dde_linux/src/drivers/usb_net/dep.list b/repos/dde_linux/src/drivers/usb_net/dep.list
new file mode 100644
index 0000000000..5d4321e82d
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/dep.list
@@ -0,0 +1,1299 @@
+arch/arm64/include/asm/alternative.h
+arch/arm64/include/asm/alternative-macros.h
+arch/arm64/include/asm/archrandom.h
+arch/arm64/include/asm/arch_timer.h
+arch/arm64/include/asm/asm-bug.h
+arch/arm64/include/asm/asm-extable.h
+arch/arm64/include/asm/asm-offsets.h
+arch/arm64/include/asm/assembler.h
+arch/arm64/include/asm/atomic.h
+arch/arm64/include/asm/atomic_ll_sc.h
+arch/arm64/include/asm/barrier.h
+arch/arm64/include/asm/bitops.h
+arch/arm64/include/asm/bitrev.h
+arch/arm64/include/asm/boot.h
+arch/arm64/include/asm/brk-imm.h
+arch/arm64/include/asm/bug.h
+arch/arm64/include/asm/cacheflush.h
+arch/arm64/include/asm/cache.h
+arch/arm64/include/asm/checksum.h
+arch/arm64/include/asm/clocksource.h
+arch/arm64/include/asm/cmpxchg.h
+arch/arm64/include/asm/compat.h
+arch/arm64/include/asm/compiler.h
+arch/arm64/include/asm/cpufeature.h
+arch/arm64/include/asm/cputype.h
+arch/arm64/include/asm/debug-monitors.h
+arch/arm64/include/asm/device.h
+arch/arm64/include/asm/elf.h
+arch/arm64/include/asm/esr.h
+arch/arm64/include/asm/exec.h
+arch/arm64/include/asm/extable.h
+arch/arm64/include/asm/fpsimd.h
+arch/arm64/include/asm/ftrace.h
+arch/arm64/include/asm/gpr-num.h
+arch/arm64/include/asm/hardirq.h
+arch/arm64/include/asm/hw_breakpoint.h
+arch/arm64/include/asm/hwcap.h
+arch/arm64/include/asm/insn-def.h
+arch/arm64/include/asm/insn.h
+arch/arm64/include/asm/io.h
+arch/arm64/include/asm/irq.h
+arch/arm64/include/asm/irq_work.h
+arch/arm64/include/asm/kasan.h
+arch/arm64/include/asm/kernel-pgtable.h
+arch/arm64/include/asm/kgdb.h
+arch/arm64/include/asm/kprobes.h
+arch/arm64/include/asm/kvm_arm.h
+arch/arm64/include/asm/linkage.h
+arch/arm64/include/asm/lse.h
+arch/arm64/include/asm/mman.h
+arch/arm64/include/asm/mmu_context.h
+arch/arm64/include/asm/mmu.h
+arch/arm64/include/asm/module.h
+arch/arm64/include/asm/mte-def.h
+arch/arm64/include/asm/mte.h
+arch/arm64/include/asm/mte-kasan.h
+arch/arm64/include/asm/page-def.h
+arch/arm64/include/asm/pci.h
+arch/arm64/include/asm/percpu.h
+arch/arm64/include/asm/pgtable-hwdef.h
+arch/arm64/include/asm/pgtable-prot.h
+arch/arm64/include/asm/pgtable-types.h
+arch/arm64/include/asm/pointer_auth.h
+arch/arm64/include/asm/preempt.h
+arch/arm64/include/asm/processor.h
+arch/arm64/include/asm/proc-fns.h
+arch/arm64/include/asm/ptrace.h
+arch/arm64/include/asm/rwonce.h
+arch/arm64/include/asm/sections.h
+arch/arm64/include/asm/set_memory.h
+arch/arm64/include/asm/shmparam.h
+arch/arm64/include/asm/signal.h
+arch/arm64/include/asm/smp.h
+arch/arm64/include/asm/sparsemem.h
+arch/arm64/include/asm/spectre.h
+arch/arm64/include/asm/spinlock_types.h
+arch/arm64/include/asm/stack_pointer.h
+arch/arm64/include/asm/stat.h
+arch/arm64/include/asm/string.h
+arch/arm64/include/asm/syscall_wrapper.h
+arch/arm64/include/asm/sysreg.h
+arch/arm64/include/asm/thread_info.h
+arch/arm64/include/asm/timex.h
+arch/arm64/include/asm/tlbflush.h
+arch/arm64/include/asm/topology.h
+arch/arm64/include/asm/uaccess.h
+arch/arm64/include/asm/unistd.h
+arch/arm64/include/asm/vdso/clocksource.h
+arch/arm64/include/asm/vdso/processor.h
+arch/arm64/include/asm/virt.h
+arch/arm64/include/asm/vmalloc.h
+arch/arm64/include/asm/word-at-a-time.h
+arch/arm64/include/uapi/asm/auxvec.h
+arch/arm64/include/uapi/asm/bitsperlong.h
+arch/arm64/include/uapi/asm/bpf_perf_event.h
+arch/arm64/include/uapi/asm/byteorder.h
+arch/arm64/include/uapi/asm/fcntl.h
+arch/arm64/include/uapi/asm/hwcap.h
+arch/arm64/include/uapi/asm/mman.h
+arch/arm64/include/uapi/asm/param.h
+arch/arm64/include/uapi/asm/perf_regs.h
+arch/arm64/include/uapi/asm/posix_types.h
+arch/arm64/include/uapi/asm/ptrace.h
+arch/arm64/include/uapi/asm/sigcontext.h
+arch/arm64/include/uapi/asm/signal.h
+arch/arm64/include/uapi/asm/sve_context.h
+arch/arm64/include/uapi/asm/unistd.h
+arch/arm64/lib/memcmp.S
+arch/arm64/lib/strchr.S
+arch/arm64/lib/strcmp.S
+arch/arm64/lib/strlen.S
+arch/arm64/lib/strncmp.S
+arch/arm64/lib/strnlen.S
+arch/x86/include/asm/alternative.h
+arch/x86/include/asm/apicdef.h
+arch/x86/include/asm/arch_hweight.h
+arch/x86/include/asm/archrandom.h
+arch/x86/include/asm/asm.h
+arch/x86/include/asm/atomic64_64.h
+arch/x86/include/asm/atomic.h
+arch/x86/include/asm/barrier.h
+arch/x86/include/asm/bitops.h
+arch/x86/include/asm/bug.h
+arch/x86/include/asm/cacheflush.h
+arch/x86/include/asm/cache.h
+arch/x86/include/asm/checksum_32.h
+arch/x86/include/asm/checksum_64.h
+arch/x86/include/asm/checksum.h
+arch/x86/include/asm/clocksource.h
+arch/x86/include/asm/cmpxchg_32.h
+arch/x86/include/asm/cmpxchg_64.h
+arch/x86/include/asm/cmpxchg.h
+arch/x86/include/asm/compat.h
+arch/x86/include/asm/cpu_entry_area.h
+arch/x86/include/asm/cpufeature.h
+arch/x86/include/asm/cpufeatures.h
+arch/x86/include/asm/cpu.h
+arch/x86/include/asm/cpumask.h
+arch/x86/include/asm/delay.h
+arch/x86/include/asm/desc_defs.h
+arch/x86/include/asm/desc.h
+arch/x86/include/asm/device.h
+arch/x86/include/asm/disabled-features.h
+arch/x86/include/asm/div64.h
+arch/x86/include/asm/elf.h
+arch/x86/include/asm/emergency-restart.h
+arch/x86/include/asm/exec.h
+arch/x86/include/asm/extable_fixup_types.h
+arch/x86/include/asm/extable.h
+arch/x86/include/asm/fixmap.h
+arch/x86/include/asm/fpu/api.h
+arch/x86/include/asm/fpu/types.h
+arch/x86/include/asm/fsgsbase.h
+arch/x86/include/asm/ftrace.h
+arch/x86/include/asm/hardirq.h
+arch/x86/include/asm/hw_breakpoint.h
+arch/x86/include/asm/hw_irq.h
+arch/x86/include/asm/ibt.h
+arch/x86/include/asm/intel_ds.h
+arch/x86/include/asm/invpcid.h
+arch/x86/include/asm/irq.h
+arch/x86/include/asm/irq_stack.h
+arch/x86/include/asm/irq_vectors.h
+arch/x86/include/asm/irq_work.h
+arch/x86/include/asm/ist.h
+arch/x86/include/asm/kaslr.h
+arch/x86/include/asm/kdebug.h
+arch/x86/include/asm/kprobes.h
+arch/x86/include/asm/kvm_para.h
+arch/x86/include/asm/linkage.h
+arch/x86/include/asm/local.h
+arch/x86/include/asm/math_emu.h
+arch/x86/include/asm/mem_encrypt.h
+arch/x86/include/asm/memtype.h
+arch/x86/include/asm/mmu_context.h
+arch/x86/include/asm/mmu.h
+arch/x86/include/asm/module.h
+arch/x86/include/asm/msr.h
+arch/x86/include/asm/msr-index.h
+arch/x86/include/asm/nops.h
+arch/x86/include/asm/orc_types.h
+arch/x86/include/asm/page_32.h
+arch/x86/include/asm/page_32_types.h
+arch/x86/include/asm/page_64_types.h
+arch/x86/include/asm/page_types.h
+arch/x86/include/asm/paravirt.h
+arch/x86/include/asm/pci.h
+arch/x86/include/asm/percpu.h
+arch/x86/include/asm/perf_event.h
+arch/x86/include/asm/pgtable-2level_types.h
+arch/x86/include/asm/pgtable_32_areas.h
+arch/x86/include/asm/pgtable_32_types.h
+arch/x86/include/asm/pgtable_64_types.h
+arch/x86/include/asm/pgtable_areas.h
+arch/x86/include/asm/pgtable_types.h
+arch/x86/include/asm/posix_types.h
+arch/x86/include/asm/preempt.h
+arch/x86/include/asm/processor-flags.h
+arch/x86/include/asm/processor.h
+arch/x86/include/asm/proto.h
+arch/x86/include/asm/pti.h
+arch/x86/include/asm/ptrace.h
+arch/x86/include/asm/required-features.h
+arch/x86/include/asm/rmwcc.h
+arch/x86/include/asm/segment.h
+arch/x86/include/asm/set_memory.h
+arch/x86/include/asm/shared/msr.h
+arch/x86/include/asm/shared/tdx.h
+arch/x86/include/asm/shmparam.h
+arch/x86/include/asm/signal.h
+arch/x86/include/asm/smap.h
+arch/x86/include/asm/smp.h
+arch/x86/include/asm/softirq_stack.h
+arch/x86/include/asm/sparsemem.h
+arch/x86/include/asm/spinlock_types.h
+arch/x86/include/asm/stacktrace.h
+arch/x86/include/asm/static_call.h
+arch/x86/include/asm/string_64.h
+arch/x86/include/asm/string.h
+arch/x86/include/asm/syscall_wrapper.h
+arch/x86/include/asm/tdx.h
+arch/x86/include/asm/text-patching.h
+arch/x86/include/asm/thread_info.h
+arch/x86/include/asm/timex.h
+arch/x86/include/asm/tlbbatch.h
+arch/x86/include/asm/tlbflush.h
+arch/x86/include/asm/topology.h
+arch/x86/include/asm/trace_clock.h
+arch/x86/include/asm/tsc.h
+arch/x86/include/asm/uaccess.h
+arch/x86/include/asm/unistd.h
+arch/x86/include/asm/unwind_hints.h
+arch/x86/include/asm/user_32.h
+arch/x86/include/asm/user32.h
+arch/x86/include/asm/user_64.h
+arch/x86/include/asm/user.h
+arch/x86/include/asm/vdso/clocksource.h
+arch/x86/include/asm/vdso.h
+arch/x86/include/asm/vdso/processor.h
+arch/x86/include/asm/vmalloc.h
+arch/x86/include/asm/vmxfeatures.h
+arch/x86/include/asm/word-at-a-time.h
+arch/x86/include/asm/x86_init.h
+arch/x86/include/uapi/asm/auxvec.h
+arch/x86/include/uapi/asm/bitsperlong.h
+arch/x86/include/uapi/asm/bootparam.h
+arch/x86/include/uapi/asm/byteorder.h
+arch/x86/include/uapi/asm/hw_breakpoint.h
+arch/x86/include/uapi/asm/ist.h
+arch/x86/include/uapi/asm/kvm_para.h
+arch/x86/include/uapi/asm/ldt.h
+arch/x86/include/uapi/asm/mman.h
+arch/x86/include/uapi/asm/msr.h
+arch/x86/include/uapi/asm/perf_regs.h
+arch/x86/include/uapi/asm/posix_types_32.h
+arch/x86/include/uapi/asm/posix_types_64.h
+arch/x86/include/uapi/asm/processor-flags.h
+arch/x86/include/uapi/asm/ptrace-abi.h
+arch/x86/include/uapi/asm/ptrace.h
+arch/x86/include/uapi/asm/sembuf.h
+arch/x86/include/uapi/asm/shmbuf.h
+arch/x86/include/uapi/asm/sigcontext.h
+arch/x86/include/uapi/asm/siginfo.h
+arch/x86/include/uapi/asm/signal.h
+arch/x86/include/uapi/asm/stat.h
+arch/x86/include/uapi/asm/swab.h
+arch/x86/include/uapi/asm/unistd.h
+arch/x86/include/uapi/asm/vsyscall.h
+drivers/base/base.h
+drivers/base/physical_location.h
+drivers/base/power/power.h
+drivers/base/trace.h
+drivers/usb/core/hub.h
+drivers/usb/core/otg_productlist.h
+drivers/usb/core/usb.h
+include/acpi/acbuffer.h
+include/acpi/acconfig.h
+include/acpi/acexcep.h
+include/acpi/acnames.h
+include/acpi/acoutput.h
+include/acpi/acpi.h
+include/acpi/acpi_numa.h
+include/acpi/acpiosxf.h
+include/acpi/acpixf.h
+include/acpi/acrestyp.h
+include/acpi/actbl1.h
+include/acpi/actbl2.h
+include/acpi/actbl3.h
+include/acpi/actbl.h
+include/acpi/actypes.h
+include/acpi/platform/acenvex.h
+include/acpi/platform/acenv.h
+include/acpi/platform/acgccex.h
+include/acpi/platform/acgcc.h
+include/acpi/platform/aclinuxex.h
+include/acpi/platform/aclinux.h
+include/asm-generic/access_ok.h
+include/asm-generic/asm-prototypes.h
+include/asm-generic/barrier.h
+include/asm-generic/bitops/arch_hweight.h
+include/asm-generic/bitops/atomic.h
+include/asm-generic/bitops/builtin-__ffs.h
+include/asm-generic/bitops/builtin-ffs.h
+include/asm-generic/bitops/builtin-__fls.h
+include/asm-generic/bitops/builtin-fls.h
+include/asm-generic/bitops/const_hweight.h
+include/asm-generic/bitops/ext2-atomic-setbit.h
+include/asm-generic/bitops/ffz.h
+include/asm-generic/bitops/fls64.h
+include/asm-generic/bitops/generic-non-atomic.h
+include/asm-generic/bitops/hweight.h
+include/asm-generic/bitops/instrumented-atomic.h
+include/asm-generic/bitops/instrumented-lock.h
+include/asm-generic/bitops/instrumented-non-atomic.h
+include/asm-generic/bitops/le.h
+include/asm-generic/bitops/lock.h
+include/asm-generic/bitops/non-atomic.h
+include/asm-generic/bitops/non-instrumented-non-atomic.h
+include/asm-generic/bitops/sched.h
+include/asm-generic/bitsperlong.h
+include/asm-generic/bug.h
+include/asm-generic/cacheflush.h
+include/asm-generic/checksum.h
+include/asm-generic/compat.h
+include/asm-generic/delay.h
+include/asm-generic/div64.h
+include/asm-generic/early_ioremap.h
+include/asm-generic/emergency-restart.h
+include/asm-generic/error-injection.h
+include/asm-generic/export.h
+include/asm-generic/fixmap.h
+include/asm-generic/getorder.h
+include/asm-generic/hardirq.h
+include/asm-generic/hw_irq.h
+include/asm-generic/int-ll64.h
+include/asm-generic/ioctl.h
+include/asm-generic/io.h
+include/asm-generic/iomap.h
+include/asm-generic/irq.h
+include/asm-generic/irq_regs.h
+include/asm-generic/kdebug.h
+include/asm-generic/kmap_size.h
+include/asm-generic/kprobes.h
+include/asm-generic/kvm_para.h
+include/asm-generic/local64.h
+include/asm-generic/local.h
+include/asm-generic/mm_hooks.h
+include/asm-generic/mmiowb.h
+include/asm-generic/mmu_context.h
+include/asm-generic/module.h
+include/asm-generic/param.h
+include/asm-generic/pci.h
+include/asm-generic/pci_iomap.h
+include/asm-generic/percpu.h
+include/asm-generic/pgtable-nop4d.h
+include/asm-generic/pgtable-nopmd.h
+include/asm-generic/pgtable-nopud.h
+include/asm-generic/pgtable_uffd.h
+include/asm-generic/qrwlock_types.h
+include/asm-generic/qspinlock_types.h
+include/asm-generic/resource.h
+include/asm-generic/rwonce.h
+include/asm-generic/sections.h
+include/asm-generic/set_memory.h
+include/asm-generic/shmparam.h
+include/asm-generic/signal.h
+include/asm-generic/softirq_stack.h
+include/asm-generic/switch_to.h
+include/asm-generic/timex.h
+include/asm-generic/topology.h
+include/asm-generic/trace_clock.h
+include/asm-generic/unaligned.h
+include/asm-generic/user.h
+include/clocksource/arm_arch_timer.h
+include/crypto/sha1.h
+include/linux/acpi.h
+include/linux/alarmtimer.h
+include/linux/align.h
+include/linux/apm_bios.h
+include/linux/arch_topology.h
+include/linux/arm-smccc.h
+include/linux/assoc_array.h
+include/linux/async.h
+include/linux/atomic/atomic-arch-fallback.h
+include/linux/atomic/atomic-instrumented.h
+include/linux/atomic/atomic-long.h
+include/linux/atomic.h
+include/linux/audit_arch.h
+include/linux/audit.h
+include/linux/auxvec.h
+include/linux/backing-dev-defs.h
+include/linux/binfmts.h
+include/linux/bio.h
+include/linux/bitfield.h
+include/linux/bitmap.h
+include/linux/bitops.h
+include/linux/bitrev.h
+include/linux/bits.h
+include/linux/bit_spinlock.h
+include/linux/blkdev.h
+include/linux/blk_types.h
+include/linux/bottom_half.h
+include/linux/bpf-cgroup-defs.h
+include/linux/bpf-cgroup.h
+include/linux/bpf.h
+include/linux/bpfptr.h
+include/linux/bpf_trace.h
+include/linux/btf.h
+include/linux/bug.h
+include/linux/build_bug.h
+include/linux/buildid.h
+include/linux/bvec.h
+include/linux/byteorder/generic.h
+include/linux/byteorder/little_endian.h
+include/linux/cacheflush.h
+include/linux/cache.h
+include/linux/capability.h
+include/linux/cc_platform.h
+include/linux/cdev.h
+include/linux/cgroup_api.h
+include/linux/cgroup-defs.h
+include/linux/cgroup.h
+include/linux/clk.h
+include/linux/clk-provider.h
+include/linux/clockchips.h
+include/linux/clocksource.h
+include/linux/clocksource_ids.h
+include/linux/compat.h
+include/linux/compiler_attributes.h
+include/linux/compiler-gcc.h
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+include/uapi/asm-generic/shmbuf.h
+include/uapi/asm-generic/siginfo.h
+include/uapi/asm-generic/signal-defs.h
+include/uapi/asm-generic/signal.h
+include/uapi/asm-generic/socket.h
+include/uapi/asm-generic/sockios.h
+include/uapi/asm-generic/stat.h
+include/uapi/asm-generic/swab.h
+include/uapi/asm-generic/types.h
+include/uapi/asm-generic/unistd.h
+include/uapi/linux/aio_abi.h
+include/uapi/linux/apm_bios.h
+include/uapi/linux/audit.h
+include/uapi/linux/auxvec.h
+include/uapi/linux/binfmts.h
+include/uapi/linux/blkzoned.h
+include/uapi/linux/bpf_common.h
+include/uapi/linux/bpf.h
+include/uapi/linux/bpf_perf_event.h
+include/uapi/linux/btf.h
+include/uapi/linux/byteorder/little_endian.h
+include/uapi/linux/capability.h
+include/uapi/linux/cgroupstats.h
+include/uapi/linux/const.h
+include/uapi/linux/devlink.h
+include/uapi/linux/dqblk_xfs.h
+include/uapi/linux/edd.h
+include/uapi/linux/elf-em.h
+include/uapi/linux/elf.h
+include/uapi/linux/errno.h
+include/uapi/linux/errqueue.h
+include/uapi/linux/ethtool.h
+include/uapi/linux/ethtool_netlink.h
+include/uapi/linux/eventpoll.h
+include/uapi/linux/fcntl.h
+include/uapi/linux/fib_rules.h
+include/uapi/linux/filter.h
+include/uapi/linux/fs.h
+include/uapi/linux/gen_stats.h
+include/uapi/linux/hdlc/ioctl.h
+include/uapi/linux/icmpv6.h
+include/uapi/linux/if_addr.h
+include/uapi/linux/if_arp.h
+include/uapi/linux/if_bonding.h
+include/uapi/linux/if_ether.h
+include/uapi/linux/if.h
+include/uapi/linux/if_link.h
+include/uapi/linux/if_macsec.h
+include/uapi/linux/if_packet.h
+include/uapi/linux/if_tunnel.h
+include/uapi/linux/if_vlan.h
+include/uapi/linux/if_xdp.h
+include/uapi/linux/in6.h
+include/uapi/linux/in.h
+include/uapi/linux/in_route.h
+include/uapi/linux/ioctl.h
+include/uapi/linux/ioprio.h
+include/uapi/linux/ipc.h
+include/uapi/linux/ip.h
+include/uapi/linux/ipsec.h
+include/uapi/linux/ipv6.h
+include/uapi/linux/ipv6_route.h
+include/uapi/linux/irqnr.h
+include/uapi/linux/kcov.h
+include/uapi/linux/kdev_t.h
+include/uapi/linux/kernel.h
+include/uapi/linux/kexec.h
+include/uapi/linux/kvm_para.h
+include/uapi/linux/libc-compat.h
+include/uapi/linux/limits.h
+include/uapi/linux/lwtunnel.h
+include/uapi/linux/magic.h
+include/uapi/linux/mctp.h
+include/uapi/linux/mdio.h
+include/uapi/linux/membarrier.h
+include/uapi/linux/mempolicy.h
+include/uapi/linux/mii.h
+include/uapi/linux/mman.h
+include/uapi/linux/mpls.h
+include/uapi/linux/neighbour.h
+include/uapi/linux/netdevice.h
+include/uapi/linux/netfilter.h
+include/uapi/linux/netfilter_ipv4.h
+include/uapi/linux/netfilter/nf_conntrack_common.h
+include/uapi/linux/netfilter/nf_conntrack_sctp.h
+include/uapi/linux/netfilter/nf_conntrack_tcp.h
+include/uapi/linux/netfilter/nf_conntrack_tuple_common.h
+include/uapi/linux/netfilter/nf_tables.h
+include/uapi/linux/netfilter/x_tables.h
+include/uapi/linux/net.h
+include/uapi/linux/netlink.h
+include/uapi/linux/net_namespace.h
+include/uapi/linux/net_tstamp.h
+include/uapi/linux/openat2.h
+include/uapi/linux/param.h
+include/uapi/linux/pci.h
+include/uapi/linux/pci_regs.h
+include/uapi/linux/perf_event.h
+include/uapi/linux/personality.h
+include/uapi/linux/pfkeyv2.h
+include/uapi/linux/pkt_cls.h
+include/uapi/linux/pkt_sched.h
+include/uapi/linux/poll.h
+include/uapi/linux/posix_types.h
+include/uapi/linux/pps.h
+include/uapi/linux/prctl.h
+include/uapi/linux/ptp_clock.h
+include/uapi/linux/ptrace.h
+include/uapi/linux/quota.h
+include/uapi/linux/random.h
+include/uapi/linux/reboot.h
+include/uapi/linux/resource.h
+include/uapi/linux/route.h
+include/uapi/linux/rseq.h
+include/uapi/linux/rtc.h
+include/uapi/linux/rtnetlink.h
+include/uapi/linux/sched.h
+include/uapi/linux/sched/types.h
+include/uapi/linux/screen_info.h
+include/uapi/linux/sctp.h
+include/uapi/linux/seccomp.h
+include/uapi/linux/securebits.h
+include/uapi/linux/sem.h
+include/uapi/linux/shm.h
+include/uapi/linux/signal.h
+include/uapi/linux/snmp.h
+include/uapi/linux/socket.h
+include/uapi/linux/sockios.h
+include/uapi/linux/stat.h
+include/uapi/linux/stddef.h
+include/uapi/linux/string.h
+include/uapi/linux/swab.h
+include/uapi/linux/sysctl.h
+include/uapi/linux/sysinfo.h
+include/uapi/linux/taskstats.h
+include/uapi/linux/tcp.h
+include/uapi/linux/time.h
+include/uapi/linux/time_types.h
+include/uapi/linux/timex.h
+include/uapi/linux/types.h
+include/uapi/linux/udp.h
+include/uapi/linux/uio.h
+include/uapi/linux/unistd.h
+include/uapi/linux/usb/audio.h
+include/uapi/linux/usb/cdc.h
+include/uapi/linux/usb/ch11.h
+include/uapi/linux/usb/ch9.h
+include/uapi/linux/usb/charger.h
+include/uapi/linux/usbdevice_fs.h
+include/uapi/linux/utsname.h
+include/uapi/linux/uuid.h
+include/uapi/linux/vmcore.h
+include/uapi/linux/wait.h
+include/uapi/linux/wireless.h
+include/uapi/linux/xfrm.h
+include/uapi/linux/usb/cdc-wdm.h
+include/uapi/video/edid.h
+include/vdso/bits.h
+include/vdso/clocksource.h
+include/vdso/const.h
+include/vdso/jiffies.h
+include/vdso/ktime.h
+include/vdso/limits.h
+include/vdso/math64.h
+include/vdso/processor.h
+include/vdso/time32.h
+include/vdso/time64.h
+include/vdso/time.h
+include/video/edid.h
+kernel/irq/debug.h
+kernel/irq/internals.h
+kernel/irq/settings.h
+kernel/locking/lock_events.h
+kernel/locking/lock_events_list.h
+kernel/locking/mutex.h
+kernel/locking/ww_mutex.h
+kernel/sched/autogroup.h
+kernel/sched/clock.c
+kernel/sched/completion.c
+kernel/sched/cpudeadline.h
+kernel/sched/cpupri.c
+kernel/sched/cpupri.h
+kernel/sched/features.h
+kernel/sched/isolation.c
+kernel/sched/loadavg.c
+kernel/sched/sched.h
+kernel/sched/sched-pelt.h
+kernel/sched/stats.h
+kernel/sched/stop_task.c
+kernel/sched/swait.c
+kernel/sched/topology.c
+kernel/sched/wait_bit.c
+kernel/sched/wait.c
+kernel/smpboot.h
+kernel/time/ntp_internal.h
+kernel/time/tick-internal.h
+kernel/time/tick-sched.h
+kernel/time/timekeeping.h
+kernel/time/timekeeping_internal.h
+kernel/workqueue_internal.h
+lib/crc32defs.h
+lib/kstrtox.h
+mm/internal.h
+mm/slab.h
+mm/swap.h
+net/core/dev.h
+net/core/net-sysfs.h
+net/core/sock_destructor.h
+net/ethtool/common.h
diff --git a/repos/dde_linux/src/drivers/usb_net/dummies.c b/repos/dde_linux/src/drivers/usb_net/dummies.c
new file mode 100644
index 0000000000..66002bca60
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/dummies.c
@@ -0,0 +1,418 @@
+/*
+ * \brief Dummy definitions of Linux Kernel functions
+ * \author Sebastian Sumpf
+ * \date 2023-07-11
+ */
+
+/*
+ * Copyright (C) 2023 Genode Labs GmbH
+ *
+ * This file is distributed under the terms of the GNU General Public License
+ * version 2.
+ */
+
+#include
+
+
+DEFINE_STATIC_KEY_FALSE(force_irqthreads_key);
+DEFINE_STATIC_KEY_FALSE(bpf_stats_enabled_key);
+DEFINE_STATIC_KEY_FALSE(bpf_master_redirect_enabled_key);
+DEFINE_STATIC_KEY_FALSE(memalloc_socks_key);
+
+unsigned long __FIXADDR_TOP = 0xfffff000;
+
+bool arm64_use_ng_mappings = false;
+
+const struct ipv6_stub *ipv6_stub;
+
+
+#ifdef __i386__
+asmlinkage __wsum csum_partial(const void * buff,int len,__wsum sum)
+#else
+__wsum csum_partial(const void * buff,int len,__wsum sum)
+#endif
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#ifdef __arm__
+#include
+
+unsigned long arm_copy_to_user(void *to, const void *from, unsigned long n)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+asmlinkage void __div0(void);
+asmlinkage void __div0(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void arch_teardown_dma_ops(struct device * dev)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern void arm_heavy_mb(void);
+void arm_heavy_mb(void)
+{
+ // FIXME: on Cortex A9 we potentially need to flush L2-cache
+ lx_emul_trace(__func__);
+}
+
+#else
+
+#include
+void update_vsyscall(struct timekeeper * tk)
+{
+ lx_emul_trace(__func__);
+}
+
+#endif
+
+
+
+#include
+#include /* for DEFINE_STATIC_KEY_FALSE */
+
+void bpf_prog_change_xdp(struct bpf_prog *prev_prog, struct bpf_prog *prog)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+void synchronize_rcu_expedited(void)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+void synchronize_rcu(void)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+void __init net_ns_init(void)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+int kobject_uevent(struct kobject * kobj,enum kobject_action action)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+#include
+
+void __init usb_init_pool_max(void)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern int usb_major_init(void);
+int usb_major_init(void)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+extern int __init usb_devio_init(void);
+int __init usb_devio_init(void)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+#include
+
+void usb_hcd_synchronize_unlinks(struct usb_device * udev)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+struct urb * usb_get_from_anchor(struct usb_anchor * anchor)
+{
+ lx_emul_trace(__func__);
+ return NULL;
+}
+
+
+extern char * usb_cache_string(struct usb_device * udev,int index);
+char * usb_cache_string(struct usb_device * udev,int index)
+{
+ lx_emul_trace(__func__);
+ return NULL;
+}
+
+
+void usb_kill_urb(struct urb * urb)
+{
+ lx_emul_trace(__func__);
+}
+
+
+int usb_unlink_urb(struct urb * urb)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+void usb_poison_urb(struct urb * urb)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+struct usb_hcd * usb_get_hcd(struct usb_hcd * hcd)
+{
+ lx_emul_trace(__func__);
+ return hcd;
+}
+
+
+#include
+
+void usb_put_hcd(struct usb_hcd * hcd)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern int __init netdev_kobject_init(void);
+int __init netdev_kobject_init(void)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+#include
+
+void dev_add_offload(struct packet_offload * po)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+void register_syscore_ops(struct syscore_ops * ops)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+bool parse_option_str(const char * str,const char * option)
+{
+ lx_emul_trace(__func__);
+ return false;
+}
+
+
+#include
+
+int rtnl_lock_killable(void)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+#include
+
+void rtnl_lock(void)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+int rtnl_is_locked(void)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+#include
+
+struct sk_buff * rtmsg_ifinfo_build_skb(int type,struct net_device * dev,unsigned int change,u32 event,gfp_t flags,int * new_nsid,int new_ifindex)
+{
+ lx_emul_trace(__func__);
+ return NULL;
+}
+
+
+#include
+
+unsigned int full_name_hash(const void * salt,const char * name,unsigned int len)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+#include
+
+void add_device_randomness(const void * buf,size_t len)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+void rtnl_unlock(void)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+void gnet_stats_basic_sync_init(struct gnet_stats_basic_sync * b)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+void gen_kill_estimator(struct net_rate_estimator __rcu ** rate_est)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+
+void do_softirq_own_stack(void)
+{
+ lx_emul_trace(__func__);
+}
+
+
+#include
+#if defined(CONFIG_OF) && defined(CONFIG_NET)
+int of_get_mac_address(struct device_node * np,u8 * addr)
+{
+ lx_emul_trace(__func__);
+ return -1;
+}
+#endif
+
+
+extern void software_node_notify(struct device * dev);
+void software_node_notify(struct device * dev)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern void software_node_notify_remove(struct device * dev);
+void software_node_notify_remove(struct device * dev)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern int usb_create_sysfs_dev_files(struct usb_device * udev);
+int usb_create_sysfs_dev_files(struct usb_device * udev)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+extern void usb_remove_sysfs_dev_files(struct usb_device * udev);
+void usb_remove_sysfs_dev_files(struct usb_device * udev)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern void usb_remove_sysfs_intf_files(struct usb_interface * intf);
+void usb_remove_sysfs_intf_files(struct usb_interface * intf)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern void usb_create_sysfs_intf_files(struct usb_interface * intf);
+void usb_create_sysfs_intf_files(struct usb_interface * intf)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern void usb_notify_add_device(struct usb_device * udev);
+void usb_notify_add_device(struct usb_device * udev)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern void usb_notify_remove_device(struct usb_device * udev);
+void usb_notify_remove_device(struct usb_device * udev)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern int usb_create_ep_devs(struct device * parent,struct usb_host_endpoint * endpoint,struct usb_device * udev);
+int usb_create_ep_devs(struct device * parent,struct usb_host_endpoint * endpoint,struct usb_device * udev)
+{
+ lx_emul_trace(__func__);
+ return 0;
+}
+
+
+extern void usb_remove_ep_devs(struct usb_host_endpoint * endpoint);
+void usb_remove_ep_devs(struct usb_host_endpoint * endpoint)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern void usb_disable_interface(struct usb_device * dev,struct usb_interface * intf,bool reset_hardware);
+void usb_disable_interface(struct usb_device * dev,struct usb_interface * intf,bool reset_hardware)
+{
+ lx_emul_trace(__func__);
+}
+
+
+extern void netdev_unregister_kobject(struct net_device * ndev);
+void netdev_unregister_kobject(struct net_device * ndev)
+{
+ lx_emul_trace(__func__);
+}
diff --git a/repos/dde_linux/src/drivers/usb_net/lx_emul.c b/repos/dde_linux/src/drivers/usb_net/lx_emul.c
new file mode 100644
index 0000000000..9e0e35adad
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/lx_emul.c
@@ -0,0 +1,513 @@
+/*
+ * \brief Implementation of driver specific Linux functions
+ * \author Sebastian Sumpf
+ * \date 2023-06-29
+ */
+
+/*
+ * Copyright (C) 2023 Genode Labs GmbH
+ *
+ * This file is distributed under the terms of the GNU General Public License
+ * version 2.
+ */
+
+#include
+
+
+pteval_t __default_kernel_pte_mask __read_mostly = ~0;
+
+
+struct device_type usb_if_device_type = {
+ .name = "usb_interface"
+};
+
+
+struct usb_driver usbfs_driver = {
+ .name = "usbfs"
+};
+
+const struct attribute_group *usb_device_groups[] = { };
+
+
+#include
+
+struct kmem_cache * kmem_cache_create_usercopy(const char * name,
+ unsigned int size,
+ unsigned int align,
+ slab_flags_t flags,
+ unsigned int useroffset,
+ unsigned int usersize,
+ void (* ctor)(void *))
+{
+ return kmem_cache_create(name, size, align, flags, ctor);
+}
+
+
+#include
+
+struct net init_net;
+
+
+#include
+
+int register_pernet_subsys(struct pernet_operations *ops)
+{
+ if (ops->init)
+ ops->init(&init_net);
+
+ return 0;
+}
+
+
+int register_pernet_device(struct pernet_operations *ops)
+{
+ return register_pernet_subsys(ops);
+}
+
+
+#include
+
+/*
+ * taken from src/lib/wifi/lx_emul.c
+ */
+void kvfree_call_rcu(struct rcu_head * head, rcu_callback_t func)
+{
+ void *ptr = (void *) head - (unsigned long) func;
+ kvfree(ptr);
+}
+
+
+#include
+
+unsigned long get_zeroed_page(gfp_t gfp_mask)
+{
+ return (unsigned long)kzalloc(PAGE_SIZE, GFP_KERNEL);
+}
+
+
+void free_pages(unsigned long addr,unsigned int order)
+{
+ kfree((void *)addr);
+}
+
+
+#include
+
+void * page_frag_alloc_align(struct page_frag_cache * nc, unsigned int fragsz,
+ gfp_t gfp_mask, unsigned int align_mask)
+{
+ if (align_mask != ~0U) {
+ printk("page_frag_alloc_align: unsupported align_mask=%x\n", align_mask);
+ lx_emul_trace_and_stop(__func__);
+ }
+ return lx_emul_mem_alloc_aligned(fragsz, ARCH_KMALLOC_MINALIGN);
+}
+
+
+void page_frag_free(void * addr)
+{
+ lx_emul_mem_free(addr);
+}
+
+#include
+
+#ifndef INLINE_COPY_TO_USER
+unsigned long _copy_from_user(void * to,const void __user * from,unsigned long n)
+{
+ memcpy(to, from, n);
+ return 0;
+}
+#else
+unsigned long __must_check __arch_copy_from_user(void *to, const void __user *from, unsigned long n);
+unsigned long __must_check __arch_copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+ memcpy(to, from, n);
+ return 0;
+}
+
+
+#endif
+
+
+#ifndef INLINE_COPY_FROM_USER
+unsigned long _copy_to_user(void __user * to,const void * from,unsigned long n)
+{
+ memcpy(to, from, n);
+ return 0;
+}
+#else
+unsigned long __must_check __arch_copy_to_user(void __user *to, const void *from, unsigned long n);
+unsigned long __must_check __arch_copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+ memcpy(to, from, n);
+ return 0;
+}
+#endif
+
+
+unsigned long arm_copy_from_user(void *to, const void *from, unsigned long n)
+{
+ memcpy(to, from, n);
+ return 0;
+}
+
+
+
+/*
+ * custom MAC address
+ */
+
+bool use_mac_address;
+unsigned char mac_address[6];
+
+int netdev_register_kobject(struct net_device * ndev)
+{
+ if (use_mac_address) eth_hw_addr_set(ndev, mac_address);
+ return 0;
+}
+
+
+/*
+ * core/message.c
+ */
+#include
+#include
+#include
+#include
+
+int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr,
+ struct usb_interface *intf,
+ u8 *buffer,
+ int buflen)
+{
+ /* duplicates are ignored */
+ struct usb_cdc_union_desc *union_header = NULL;
+
+ /* duplicates are not tolerated */
+ struct usb_cdc_header_desc *header = NULL;
+ struct usb_cdc_ether_desc *ether = NULL;
+ struct usb_cdc_mdlm_detail_desc *detail = NULL;
+ struct usb_cdc_mdlm_desc *desc = NULL;
+
+ unsigned int elength;
+ int cnt = 0;
+
+ memset(hdr, 0x00, sizeof(struct usb_cdc_parsed_header));
+ hdr->phonet_magic_present = false;
+ while (buflen > 0) {
+ elength = buffer[0];
+ if (!elength) {
+ dev_err(&intf->dev, "skipping garbage byte\n");
+ elength = 1;
+ goto next_desc;
+ }
+ if ((buflen < elength) || (elength < 3)) {
+ dev_err(&intf->dev, "invalid descriptor buffer length\n");
+ break;
+ }
+ if (buffer[1] != USB_DT_CS_INTERFACE) {
+ dev_err(&intf->dev, "skipping garbage\n");
+ goto next_desc;
+ }
+
+ switch (buffer[2]) {
+ case USB_CDC_UNION_TYPE: /* we've found it */
+ if (elength < sizeof(struct usb_cdc_union_desc))
+ goto next_desc;
+ if (union_header) {
+ dev_err(&intf->dev, "More than one union descriptor, skipping ...\n");
+ goto next_desc;
+ }
+ union_header = (struct usb_cdc_union_desc *)buffer;
+ break;
+ case USB_CDC_COUNTRY_TYPE:
+ if (elength < sizeof(struct usb_cdc_country_functional_desc))
+ goto next_desc;
+ hdr->usb_cdc_country_functional_desc =
+ (struct usb_cdc_country_functional_desc *)buffer;
+ break;
+ case USB_CDC_HEADER_TYPE:
+ if (elength != sizeof(struct usb_cdc_header_desc))
+ goto next_desc;
+ if (header)
+ return -EINVAL;
+ header = (struct usb_cdc_header_desc *)buffer;
+ break;
+ case USB_CDC_ACM_TYPE:
+ if (elength < sizeof(struct usb_cdc_acm_descriptor))
+ goto next_desc;
+ hdr->usb_cdc_acm_descriptor =
+ (struct usb_cdc_acm_descriptor *)buffer;
+ break;
+ case USB_CDC_ETHERNET_TYPE:
+ if (elength != sizeof(struct usb_cdc_ether_desc))
+ goto next_desc;
+ if (ether)
+ return -EINVAL;
+ ether = (struct usb_cdc_ether_desc *)buffer;
+ break;
+ case USB_CDC_CALL_MANAGEMENT_TYPE:
+ if (elength < sizeof(struct usb_cdc_call_mgmt_descriptor))
+ goto next_desc;
+ hdr->usb_cdc_call_mgmt_descriptor =
+ (struct usb_cdc_call_mgmt_descriptor *)buffer;
+ break;
+ case USB_CDC_DMM_TYPE:
+ if (elength < sizeof(struct usb_cdc_dmm_desc))
+ goto next_desc;
+ hdr->usb_cdc_dmm_desc =
+ (struct usb_cdc_dmm_desc *)buffer;
+ break;
+ case USB_CDC_MDLM_TYPE:
+ if (elength < sizeof(struct usb_cdc_mdlm_desc))
+ goto next_desc;
+ if (desc)
+ return -EINVAL;
+ desc = (struct usb_cdc_mdlm_desc *)buffer;
+ break;
+ case USB_CDC_MDLM_DETAIL_TYPE:
+ if (elength < sizeof(struct usb_cdc_mdlm_detail_desc))
+ goto next_desc;
+ if (detail)
+ return -EINVAL;
+ detail = (struct usb_cdc_mdlm_detail_desc *)buffer;
+ break;
+ case USB_CDC_NCM_TYPE:
+ if (elength < sizeof(struct usb_cdc_ncm_desc))
+ goto next_desc;
+ hdr->usb_cdc_ncm_desc = (struct usb_cdc_ncm_desc *)buffer;
+ break;
+ case USB_CDC_MBIM_TYPE:
+ if (elength < sizeof(struct usb_cdc_mbim_desc))
+ goto next_desc;
+
+ hdr->usb_cdc_mbim_desc = (struct usb_cdc_mbim_desc *)buffer;
+ break;
+ case USB_CDC_MBIM_EXTENDED_TYPE:
+ if (elength < sizeof(struct usb_cdc_mbim_extended_desc))
+ break;
+ hdr->usb_cdc_mbim_extended_desc =
+ (struct usb_cdc_mbim_extended_desc *)buffer;
+ break;
+ case CDC_PHONET_MAGIC_NUMBER:
+ hdr->phonet_magic_present = true;
+ break;
+ default:
+ /*
+ * there are LOTS more CDC descriptors that
+ * could legitimately be found here.
+ */
+ dev_dbg(&intf->dev, "Ignoring descriptor: type %02x, length %ud\n",
+ buffer[2], elength);
+ goto next_desc;
+ }
+ cnt++;
+next_desc:
+ buflen -= elength;
+ buffer += elength;
+ }
+ hdr->usb_cdc_union_desc = union_header;
+ hdr->usb_cdc_header_desc = header;
+ hdr->usb_cdc_mdlm_detail_desc = detail;
+ hdr->usb_cdc_mdlm_desc = desc;
+ hdr->usb_cdc_ether_desc = ether;
+ return cnt;
+}
+
+
+/**
+ * usb_get_string - gets a string descriptor
+ * @dev: the device whose string descriptor is being retrieved
+ * @langid: code for language chosen (from string descriptor zero)
+ * @index: the number of the descriptor
+ * @buf: where to put the string
+ * @size: how big is "buf"?
+ *
+ * Context: task context, might sleep.
+ *
+ * Retrieves a string, encoded using UTF-16LE (Unicode, 16 bits per character,
+ * in little-endian byte order).
+ * The usb_string() function will often be a convenient way to turn
+ * these strings into kernel-printable form.
+ *
+ * Strings may be referenced in device, configuration, interface, or other
+ * descriptors, and could also be used in vendor-specific ways.
+ *
+ * This call is synchronous, and may not be used in an interrupt context.
+ *
+ * Return: The number of bytes received on success, or else the status code
+ * returned by the underlying usb_control_msg() call.
+ */
+static int usb_get_string(struct usb_device *dev, unsigned short langid,
+ unsigned char index, void *buf, int size)
+{
+ int i;
+ int result;
+
+ if (size <= 0) /* No point in asking for no data */
+ return -EINVAL;
+
+ for (i = 0; i < 3; ++i) {
+ /* retry on length 0 or stall; some devices are flakey */
+ result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
+ USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
+ (USB_DT_STRING << 8) + index, langid, buf, size,
+ USB_CTRL_GET_TIMEOUT);
+ if (result == 0 || result == -EPIPE)
+ continue;
+ if (result > 1 && ((u8 *) buf)[1] != USB_DT_STRING) {
+ result = -ENODATA;
+ continue;
+ }
+ break;
+ }
+ return result;
+}
+
+static void usb_try_string_workarounds(unsigned char *buf, int *length)
+{
+ int newlength, oldlength = *length;
+
+ for (newlength = 2; newlength + 1 < oldlength; newlength += 2)
+ if (!isprint(buf[newlength]) || buf[newlength + 1])
+ break;
+
+ if (newlength > 2) {
+ buf[0] = newlength;
+ *length = newlength;
+ }
+}
+
+static int usb_string_sub(struct usb_device *dev, unsigned int langid,
+ unsigned int index, unsigned char *buf)
+{
+ int rc;
+
+ /* Try to read the string descriptor by asking for the maximum
+ * possible number of bytes */
+ if (dev->quirks & USB_QUIRK_STRING_FETCH_255)
+ rc = -EIO;
+ else
+ rc = usb_get_string(dev, langid, index, buf, 255);
+
+ /* If that failed try to read the descriptor length, then
+ * ask for just that many bytes */
+ if (rc < 2) {
+ rc = usb_get_string(dev, langid, index, buf, 2);
+ if (rc == 2)
+ rc = usb_get_string(dev, langid, index, buf, buf[0]);
+ }
+
+ if (rc >= 2) {
+ if (!buf[0] && !buf[1])
+ usb_try_string_workarounds(buf, &rc);
+
+ /* There might be extra junk at the end of the descriptor */
+ if (buf[0] < rc)
+ rc = buf[0];
+
+ rc = rc - (rc & 1); /* force a multiple of two */
+ }
+
+ if (rc < 2)
+ rc = (rc < 0 ? rc : -EINVAL);
+
+ return rc;
+}
+
+static int usb_get_langid(struct usb_device *dev, unsigned char *tbuf)
+{
+ int err;
+
+ if (dev->have_langid)
+ return 0;
+
+ if (dev->string_langid < 0)
+ return -EPIPE;
+
+ err = usb_string_sub(dev, 0, 0, tbuf);
+
+ /* If the string was reported but is malformed, default to english
+ * (0x0409) */
+ if (err == -ENODATA || (err > 0 && err < 4)) {
+ dev->string_langid = 0x0409;
+ dev->have_langid = 1;
+ dev_err(&dev->dev,
+ "language id specifier not provided by device, defaulting to English\n");
+ return 0;
+ }
+
+ /* In case of all other errors, we assume the device is not able to
+ * deal with strings at all. Set string_langid to -1 in order to
+ * prevent any string to be retrieved from the device */
+ if (err < 0) {
+ dev_info(&dev->dev, "string descriptor 0 read error: %d\n",
+ err);
+ dev->string_langid = -1;
+ return -EPIPE;
+ }
+
+ /* always use the first langid listed */
+ dev->string_langid = tbuf[2] | (tbuf[3] << 8);
+ dev->have_langid = 1;
+ dev_dbg(&dev->dev, "default language 0x%04x\n",
+ dev->string_langid);
+ return 0;
+}
+
+/**
+ * usb_string - returns UTF-8 version of a string descriptor
+ * @dev: the device whose string descriptor is being retrieved
+ * @index: the number of the descriptor
+ * @buf: where to put the string
+ * @size: how big is "buf"?
+ *
+ * Context: task context, might sleep.
+ *
+ * This converts the UTF-16LE encoded strings returned by devices, from
+ * usb_get_string_descriptor(), to null-terminated UTF-8 encoded ones
+ * that are more usable in most kernel contexts. Note that this function
+ * chooses strings in the first language supported by the device.
+ *
+ * This call is synchronous, and may not be used in an interrupt context.
+ *
+ * Return: length of the string (>= 0) or usb_control_msg status (< 0).
+ */
+int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
+{
+ unsigned char *tbuf;
+ int err;
+
+ if (dev->state == USB_STATE_SUSPENDED)
+ return -EHOSTUNREACH;
+ if (size <= 0 || !buf)
+ return -EINVAL;
+ buf[0] = 0;
+ if (index <= 0 || index >= 256)
+ return -EINVAL;
+ tbuf = kmalloc(256, GFP_NOIO);
+ if (!tbuf)
+ return -ENOMEM;
+
+ err = usb_get_langid(dev, tbuf);
+ if (err < 0)
+ goto errout;
+
+ err = usb_string_sub(dev, dev->string_langid, index, tbuf);
+ if (err < 0)
+ goto errout;
+
+ size--; /* leave room for trailing NULL char in output buffer */
+ err = utf16s_to_utf8s((wchar_t *) &tbuf[2], (err - 2) / 2,
+ UTF16_LITTLE_ENDIAN, buf, size);
+ buf[err] = 0;
+
+ if (tbuf[1] != USB_DT_STRING)
+ dev_dbg(&dev->dev,
+ "wrong descriptor type %02x for string %d (\"%s\")\n",
+ tbuf[1], index, buf);
+
+ errout:
+ kfree(tbuf);
+ return err;
+}
diff --git a/repos/dde_linux/src/drivers/usb_net/lx_emul.h b/repos/dde_linux/src/drivers/usb_net/lx_emul.h
new file mode 100644
index 0000000000..dbce00db49
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/lx_emul.h
@@ -0,0 +1,19 @@
+/*
+ * \brief Dummy definitions of Linux Kernel functions
+ * \author Sebastian Sumpf
+ * \date 2023-07-11
+ */
+
+/*
+ * Copyright (C) 2023 Genode Labs GmbH
+ *
+ * This file is distributed under the terms of the GNU General Public License
+ * version 2.
+ */
+
+#include
+#include
+#include
+#include
+
+struct usb_hub;
diff --git a/repos/dde_linux/src/drivers/usb_net/lx_user.c b/repos/dde_linux/src/drivers/usb_net/lx_user.c
new file mode 100644
index 0000000000..c95ed3c1c5
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/lx_user.c
@@ -0,0 +1,353 @@
+/*
+ * \brief Post kernel activity
+ * \author Christian Helmuth
+ * \author Sebastian Sumpf
+ * \date 2023-06-29
+ */
+
+/*
+ * Copyright (C) 2023 Genode Labs GmbH
+ *
+ * This file is distributed under the terms of the GNU General Public License
+ * version 2.
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+
+struct task_struct *lx_user_new_usb_task(int (*func)(void*), void *args)
+{
+ int pid = kernel_thread(func, args, CLONE_FS | CLONE_FILES);
+ return find_task_by_pid_ns(pid, NULL);
+}
+
+
+static struct genode_uplink *dev_genode_uplink(struct net_device *dev)
+{
+ return (struct genode_uplink *)dev->ifalias;
+}
+
+
+struct genode_uplink_rx_context
+{
+ struct net_device *dev;
+};
+
+
+struct genode_uplink_tx_packet_context
+{
+ struct sk_buff *skb;
+};
+
+
+static unsigned long uplink_tx_packet_content(struct genode_uplink_tx_packet_context *ctx,
+ char *dst, unsigned long dst_len)
+{
+ struct sk_buff * const skb = ctx->skb;
+
+ skb_push(skb, ETH_HLEN);
+
+ if (dst_len < skb->len) {
+ printk("uplink_tx_packet_content: packet exceeds uplink packet size\n");
+ memset(dst, 0, dst_len);
+ return 0;
+ }
+
+ skb_copy_from_linear_data(skb, dst, skb->len);
+
+ /* clear unused part of the destination buffer */
+ memset(dst + skb->len, 0, dst_len - skb->len);
+
+ return skb->len;
+}
+
+
+static rx_handler_result_t handle_rx(struct sk_buff **pskb)
+{
+ struct sk_buff *skb = *pskb;
+ struct net_device *dev = skb->dev;
+ struct genode_uplink_tx_packet_context ctx = { .skb = skb };
+
+ /* if uplink still exists */
+ if (dev->ifalias) {
+ bool progress = genode_uplink_tx_packet(dev_genode_uplink(dev),
+ uplink_tx_packet_content,
+ &ctx);
+ if (!progress)
+ printk("handle_rx: uplink saturated, dropping packet\n");
+ }
+
+ kfree_skb(skb);
+ return RX_HANDLER_CONSUMED;
+}
+
+
+/**
+ * Create Genode uplink for given net device
+ *
+ * The uplink is registered at the dev->ifalias pointer.
+ */
+static void handle_create_uplink(struct net_device *dev)
+{
+ struct genode_uplink_args args;
+
+ if (dev_genode_uplink(dev))
+ return;
+
+ if (!netif_carrier_ok(dev))
+ return;
+
+ printk("create uplink for net device %s\n", &dev->name[0]);
+
+ memset(&args, 0, sizeof(args));
+
+ if (dev->addr_len != sizeof(args.mac_address)) {
+ printk("error: net device has unexpected addr_len %u\n", dev->addr_len);
+ return;
+ }
+
+ {
+ unsigned i;
+ for (i = 0; i < dev->addr_len; i++)
+ args.mac_address[i] = dev->dev_addr[i];
+ }
+
+ args.label = &dev->name[0];
+
+ dev->ifalias = (struct dev_ifalias *)genode_uplink_create(&args);
+}
+
+
+static void handle_destroy_uplink(struct net_device *dev)
+{
+ struct genode_uplink *uplink = dev_genode_uplink(dev);
+
+ if (!uplink)
+ return;
+
+ if (netif_carrier_ok(dev))
+ return;
+
+ printk("destroy uplink for net device %s\n", &dev->name[0]);
+ genode_uplink_destroy(uplink);
+
+ dev->ifalias = NULL;
+}
+
+
+static genode_uplink_rx_result_t uplink_rx_one_packet(struct genode_uplink_rx_context *ctx,
+ char const *ptr, unsigned long len)
+{
+ struct sk_buff *skb = alloc_skb(len, GFP_KERNEL);
+
+ if (!skb) {
+ printk("alloc_skb failed\n");
+ return GENODE_UPLINK_RX_RETRY;
+ }
+
+ skb_copy_to_linear_data(skb, ptr, len);
+ skb_put(skb, len);
+ skb->dev = ctx->dev;
+
+ if (dev_queue_xmit(skb) < 0) {
+ printk("lx_user: failed to xmit packet\n");
+ return GENODE_UPLINK_RX_REJECTED;
+ }
+
+ return GENODE_UPLINK_RX_ACCEPTED;
+}
+
+
+static int user_task_function(void *arg)
+{
+ for (;;) {
+
+ struct net_device *dev;
+
+ for_each_netdev(&init_net, dev) {
+ struct genode_mac_address dev_addr;
+
+ /* enable link sensing, repeated calls are handled by testing IFF_UP */
+ dev_open(dev, 0);
+
+ memcpy(dev_addr.addr, dev->dev_addr, sizeof(dev_addr));
+ genode_mac_address_register(dev->name, dev_addr);
+
+ /* install rx handler once */
+ if (!netdev_is_rx_handler_busy(dev))
+ netdev_rx_handler_register(dev, handle_rx, NULL);
+
+ /* respond to cable plug/unplug */
+ handle_create_uplink(dev);
+ handle_destroy_uplink(dev);
+
+ /* transmit packets received from the uplink session */
+ if (netif_carrier_ok(dev)) {
+
+ struct genode_uplink_rx_context ctx = { .dev = dev };
+
+ while (genode_uplink_rx(dev_genode_uplink(dev),
+ uplink_rx_one_packet,
+ &ctx));
+ }
+ };
+
+ /* block until lx_emul_task_unblock */
+ lx_emul_task_schedule(true);
+ }
+ return 0;
+}
+
+
+struct task_struct *user_task_struct_ptr; /* used by 'Device' for lx_emul_task_unblock */
+
+void lx_user_init(void)
+{
+ pid_t pid;
+
+ lx_user_main_task(NULL);
+
+ pid = kernel_thread(user_task_function, NULL, CLONE_FS | CLONE_FILES);
+
+ user_task_struct_ptr = find_task_by_pid_ns(pid, NULL);
+
+}
+
+
+#include
+
+/*
+ * Called whenever the link state changes
+ */
+
+bool force_uplink_destroy = false;
+
+void rtmsg_ifinfo(int type, struct net_device * dev, unsigned int change, gfp_t flags)
+{
+ /* trigger handle_create_uplink / handle_destroy_uplink */
+ if (user_task_struct_ptr)
+ lx_emul_task_unblock(user_task_struct_ptr);
+
+ if (force_uplink_destroy) {
+ struct genode_uplink *uplink = dev_genode_uplink(dev);
+ printk("force destroy uplink for net device %s\n", &dev->name[0]);
+ genode_uplink_destroy(uplink);
+ }
+}
+
+
+/*
+ * Handle WDM device class for MBIM-modems
+ */
+
+struct usb_class_driver *wdm_driver;
+struct file wdm_file;
+
+enum { WDM_MINOR = 8 };
+
+int usb_register_dev(struct usb_interface *intf, struct usb_class_driver *class_driver)
+{
+ if (strncmp(class_driver->name, "cdc-wdm", 7) == 0) {
+ wdm_driver = class_driver;
+
+ intf->usb_dev = &intf->dev;
+ intf->minor = WDM_MINOR;
+
+ lx_wdm_create_root();
+ return 0;
+ }
+
+ printk("%s:%d error: no device class for driver %s\n", __func__, __LINE__,
+ class_driver->name);
+
+ return -1;
+}
+
+
+void usb_deregister_dev(struct usb_interface * intf,struct usb_class_driver * class_driver)
+{
+ lx_emul_trace(__func__);
+}
+
+
+
+int lx_wdm_read(void *args)
+{
+ ssize_t length;
+ struct lx_wdm *wdm_data = (struct lx_wdm *)args;
+
+ lx_emul_task_schedule(true);
+
+ if (!wdm_driver) {
+ printk("%s:%d error: no WDM class driver\n", __func__, __LINE__);
+ return -1;
+ }
+
+ while (wdm_data->active) {
+ length = wdm_driver->fops->read(&wdm_file, wdm_data->buffer, 0x1000, NULL);
+ if (length > 0) {
+ *wdm_data->data_avail = length;
+ lx_wdm_signal_data_avail(wdm_data->handle);
+ }
+ lx_emul_task_schedule(true);
+ }
+
+ return 0;
+}
+
+
+int lx_wdm_write(void *args)
+{
+ ssize_t length;
+ struct lx_wdm *wdm_data = (struct lx_wdm *)args;
+
+ lx_emul_task_schedule(true);
+
+ if (!wdm_driver) {
+ printk("%s:%d error: no WDM class driver\n", __func__, __LINE__);
+ return -1;
+ }
+
+ while (wdm_data->active) {
+ length = wdm_driver->fops->write(&wdm_file, wdm_data->buffer,
+ *wdm_data->data_avail, NULL);
+ if (length < 0) {
+ printk("WDM write error: %ld", (long)length);
+ }
+
+ lx_wdm_schedule_read(wdm_data->handle);
+ lx_emul_task_schedule(true);
+ }
+ return 0;
+}
+
+
+int lx_wdm_device(void *args)
+{
+ int err = -1;
+
+ /* minor number for inode is 1 (see: ubs_register_dev above) */
+ struct inode inode;
+ inode.i_rdev = MKDEV(USB_DEVICE_MAJOR, WDM_MINOR);
+
+ if (!wdm_driver) {
+ printk("%s:%d error: no WDM class driver\n", __func__, __LINE__);
+ return err;
+ }
+
+ if ((err = wdm_driver->fops->open(&inode, &wdm_file))) {
+ printk("Could not open WDM device: %d", err);
+ return err;
+ }
+
+ lx_emul_task_schedule(true);
+ //XXX: close
+ return 0;
+}
diff --git a/repos/dde_linux/src/drivers/usb_net/main.cc b/repos/dde_linux/src/drivers/usb_net/main.cc
new file mode 100644
index 0000000000..9f23bab484
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/main.cc
@@ -0,0 +1,234 @@
+/*
+ * \brief C++ initialization, session, and client handling
+ * \author Sebastian Sumpf
+ * \date 2023-07-11
+ */
+
+/*
+ * Copyright (C) 2023 Genode Labs GmbH
+ *
+ * This file is distributed under the terms of the GNU General Public License
+ * version 2.
+ */
+
+#include
+#include
+#include
+
+#include
+#include
+
+#include
+
+#include
+#include
+#include
+
+/* C-interface */
+#include
+
+using namespace Genode;
+
+extern task_struct *user_task_struct_ptr;
+extern bool force_uplink_destroy;
+extern bool use_mac_address;
+extern unsigned char mac_address[6];
+
+struct Device
+{
+ Env &env;
+
+ Attached_rom_dataspace config_rom { env, "config" };
+ unsigned long usb_config { 0 };
+
+ /*
+ * Dedicated allocator per device to notice dangling
+ * allocations on device destruction.
+ */
+ Allocator_avl alloc { &Lx_kit::env().heap };
+
+ task_struct *state_task { lx_user_new_usb_task(state_task_entry, this) };
+ task_struct *urb_task { lx_user_new_usb_task(urb_task_entry, this) };
+
+ Signal_handler task_state_handler { env.ep(), *this, &Device::handle_task_state };
+ Signal_handler urb_handler { env.ep(), *this, &Device::handle_urb };
+
+ genode_usb_client_handle_t usb_handle {
+ genode_usb_client_create(genode_env_ptr(env),
+ genode_allocator_ptr(Lx_kit::env().heap),
+ genode_range_allocator_ptr(alloc),
+ "",
+ genode_signal_handler_ptr(task_state_handler)) };
+
+ Signal_handler nic_handler { env.ep(), *this, &Device::handle_nic };
+ Signal_handler config_handler { env.ep(), *this, &Device::handle_config };
+
+ bool registered { false };
+
+ void *lx_device_handle { nullptr };
+
+ Device(Env &env)
+ :
+ env(env)
+ {
+ genode_usb_client_sigh_ack_avail(usb_handle,
+ genode_signal_handler_ptr(urb_handler));
+
+ genode_mac_address_reporter_init(env, Lx_kit::env().heap);
+
+ genode_uplink_init(genode_env_ptr(env),
+ genode_allocator_ptr(Lx_kit::env().heap),
+ genode_signal_handler_ptr(nic_handler));
+
+ config_rom.sigh(config_handler);
+ handle_config();
+ }
+
+ /* non-copyable */
+ Device(const Device&) = delete;
+ Device & operator=(const Device&) = delete;
+
+ void register_device()
+ {
+ registered = true;
+ lx_device_handle = lx_emul_usb_client_register_device(usb_handle, "usb_nic");
+ if (!lx_device_handle) {
+ registered = false;
+ return;
+ }
+
+ if (usb_config != 0)
+ lx_emul_usb_client_set_configuration(usb_handle, lx_device_handle, usb_config);
+
+ }
+
+ void unregister_device()
+ {
+ force_uplink_destroy = true;
+ lx_emul_usb_client_unregister_device(usb_handle, lx_device_handle);
+ registered = false;
+ force_uplink_destroy = false;
+ }
+
+ void handle_task_state()
+ {
+ lx_emul_task_unblock(state_task);
+ Lx_kit::env().scheduler.execute();
+ }
+
+ void handle_urb()
+ {
+ lx_emul_task_unblock(urb_task);
+ Lx_kit::env().scheduler.execute();
+ genode_uplink_notify_peers();
+ }
+
+ void handle_nic()
+ {
+ if (!user_task_struct_ptr)
+ return;
+
+ lx_emul_task_unblock(user_task_struct_ptr);
+ Lx_kit::env().scheduler.execute();
+ }
+
+ void handle_config()
+ {
+ config_rom.update();
+ genode_mac_address_reporter_config(config_rom.xml());
+
+ /* read USB configuration setting */
+ unsigned long config = config_rom.xml().attribute_value("configuration", 0ul);
+ if (registered && config != 0 && config != usb_config)
+ lx_emul_usb_client_set_configuration(usb_handle, lx_device_handle, config);
+
+ usb_config = config;
+
+ /* retrieve possible MAC */
+ Nic::Mac_address mac;
+ try {
+ Xml_node::Attribute mac_node = config_rom.xml().attribute("mac");
+ mac_node.value(mac);
+ mac.copy(mac_address);
+ use_mac_address = true;
+ log("Trying to use configured mac: ", mac);
+ } catch (...) {
+ use_mac_address = false;
+ }
+ }
+
+
+ /**********
+ ** Task **
+ **********/
+
+ static int state_task_entry(void *arg)
+ {
+ Device &device = *reinterpret_cast(arg);
+
+ while (true) {
+ if (genode_usb_client_plugged(device.usb_handle) && !device.registered)
+ device.register_device();
+
+ if (!genode_usb_client_plugged(device.usb_handle) && device.registered)
+ device.unregister_device();
+ lx_emul_task_schedule(true);
+ }
+
+ return 0;
+ }
+
+ static int urb_task_entry(void *arg)
+ {
+ Device &device = *reinterpret_cast(arg);
+
+ while (true) {
+ if (device.registered) {
+ genode_usb_client_execute_completions(device.usb_handle);
+ }
+
+ lx_emul_task_schedule(true);
+ }
+
+ return 0;
+ }
+};
+
+
+struct Main
+{
+ Env &env;
+
+ Signal_handler signal_handler { env.ep(), *this, &Main::handle_signal };
+
+ Main(Env &env) : env(env) { }
+
+ void handle_signal()
+ {
+ Lx_kit::env().scheduler.execute();
+ }
+};
+
+
+void Component::construct(Env & env)
+{
+ static Main main { env };
+ Lx_kit::initialize(env, main.signal_handler);
+
+ env.exec_static_constructors();
+
+ lx_emul_start_kernel(nullptr);
+}
+
+
+/**********
+ ** Task **
+ **********/
+
+int lx_user_main_task(void *)
+{
+ /* one device only */
+ static Device dev(Lx_kit::env().env);
+
+ return 0;
+}
diff --git a/repos/dde_linux/src/drivers/usb_net/spec/arm/generated_dummies.c b/repos/dde_linux/src/drivers/usb_net/spec/arm/generated_dummies.c
new file mode 100644
index 0000000000..24a8161654
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/spec/arm/generated_dummies.c
@@ -0,0 +1,1066 @@
+/*
+ * \brief Dummy definitions of Linux Kernel functions
+ * \author Automatically generated file - do no edit
+ * \date 2023-08-18
+ */
+
+#include
+
+
+#include
+
+struct page * __alloc_pages(gfp_t gfp,unsigned int order,int preferred_nid,nodemask_t * nodemask)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+const char * __clk_get_name(const struct clk * clk)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct cpumask __cpu_active_mask;
+
+
+#include
+
+int __devm_mdiobus_register(struct device * dev,struct mii_bus * bus,struct module * owner)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __folio_put(struct folio * folio)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int __ipv6_addr_type(const struct in6_addr * addr)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct irq_domain * __irq_domain_add(struct fwnode_handle * fwnode,unsigned int size,irq_hw_number_t hwirq_max,int direct_max,const struct irq_domain_ops * ops,void * host_data)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct irq_desc * __irq_resolve_mapping(struct irq_domain * domain,irq_hw_number_t hwirq,unsigned int * irq)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int __mdiobus_register(struct mii_bus * bus,struct module * owner)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+unsigned long __per_cpu_offset[NR_CPUS] = {};
+
+
+#include
+
+int __printk_ratelimit(const char * func)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __printk_safe_enter(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __printk_safe_exit(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __put_task_struct(struct task_struct * tsk)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __skb_get_hash(struct sk_buff * skb)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void * __vmalloc_node_range(unsigned long size,unsigned long align,unsigned long start,unsigned long end,gfp_t gfp_mask,pgprot_t prot,unsigned long vm_flags,int node,const void * caller)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int _printk_deferred(const char * fmt,...)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int add_uevent_var(struct kobj_uevent_env * env,const char * format,...)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+async_cookie_t async_schedule_node(async_func_t func,void * data,int node)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void async_synchronize_full(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void bpf_warn_invalid_xdp_action(struct net_device * dev,struct bpf_prog * prog,u32 act)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+noinstr void ct_irq_enter(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void ct_irq_enter_irqson(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+noinstr void ct_irq_exit(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void ct_irq_exit_irqson(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct mii_bus * devm_mdiobus_alloc_size(struct device * dev,int sizeof_priv)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+u64 div64_u64(u64 dividend,u64 divisor)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+u64 div64_u64_rem(u64 dividend,u64 divisor,u64 * remainder)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+s64 div_s64_rem(s64 dividend,s32 divisor,s32 * remainder)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool dma_default_coherent;
+
+
+#include
+
+void do_trace_netlink_extack(const char * msg)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void dst_release(struct dst_entry * dst)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+asmlinkage __visible void dump_stack(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void ethtool_convert_legacy_u32_to_link_mode(unsigned long * dst,u32 legacy_u32)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool ethtool_convert_link_mode_to_legacy_u32(u32 * legacy_u32,const unsigned long * src)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+u32 ethtool_op_get_link(struct net_device * dev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int ethtool_op_get_ts_info(struct net_device * dev,struct ethtool_ts_info * info)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool file_ns_capable(const struct file * file,struct user_namespace * ns,int cap)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void finish_rcuwait(struct rcuwait * w)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int genphy_resume(struct phy_device * phydev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool gfp_pfmemalloc_allowed(gfp_t gfp_mask)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct packet_offload * gro_find_complete_by_type(__be16 type)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct packet_offload * gro_find_receive_by_type(__be16 type)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+const u8 guid_index[16] = {};
+
+
+#include
+
+void handle_fasteoi_irq(struct irq_desc * desc)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void in6_dev_finish_destroy(struct inet6_dev * idev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct user_namespace init_user_ns;
+
+
+#include
+
+bool initcall_debug;
+
+
+#include
+
+void __sched io_schedule(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void io_schedule_finish(int token)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int io_schedule_prepare(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+long __sched io_schedule_timeout(long timeout)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int irq_can_set_affinity(unsigned int irq)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void irq_domain_free_irqs_common(struct irq_domain * domain,unsigned int virq,unsigned int nr_irqs)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void irq_domain_set_info(struct irq_domain * domain,unsigned int virq,irq_hw_number_t hwirq,const struct irq_chip * chip,void * chip_data,irq_flow_handler_t handler,void * handler_data,const char * handler_name)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void irq_modify_status(unsigned int irq,unsigned long clr,unsigned long set)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int irq_set_affinity(unsigned int irq,const struct cpumask * cpumask)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void irq_set_default_host(struct irq_domain * domain)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct irq_desc * irq_to_desc(unsigned int irq)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void irq_work_tick(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int kmem_cache_alloc_bulk(struct kmem_cache * s,gfp_t flags,size_t nr,void ** p)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void * kmem_cache_alloc_lru(struct kmem_cache * cachep,struct list_lru * lru,gfp_t flags)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void kmem_cache_free_bulk(struct kmem_cache * s,size_t nr,void ** p)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int kobject_synth_uevent(struct kobject * kobj,const char * buf,size_t count)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int kobject_uevent_env(struct kobject * kobj,enum kobject_action action,char * envp_ext[])
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct pernet_operations __net_initdata loopback_net_ops;
+
+
+#include
+
+unsigned long lpj_fine;
+
+
+#include
+
+struct mii_bus * mdiobus_alloc_size(size_t size)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void mdiobus_free(struct mii_bus * bus)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct phy_device * mdiobus_get_phy(struct mii_bus * bus,int addr)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void mdiobus_unregister(struct mii_bus * bus)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void migrate_disable(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void migrate_enable(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct Qdisc_ops mq_qdisc_ops;
+
+
+#include
+
+void napi_gro_flush(struct napi_struct * napi,bool flush_old)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int net_ratelimit(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void net_selftest(struct net_device * ndev,struct ethtool_test * etest,u64 * buf)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int net_selftest_get_count(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void net_selftest_get_strings(u8 * data)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int nla_put(struct sk_buff * skb,int attrtype,int attrlen,const void * data)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+loff_t noop_llseek(struct file * file,loff_t offset,int whence)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void of_device_uevent(struct device * dev,struct kobj_uevent_env * env)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct property * of_find_property(const struct device_node * np,const char * name,int * lenp)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+const struct fwnode_operations of_fwnode_ops;
+
+
+#include
+
+const char * of_prop_next_string(struct property * prop,const char * cur)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int of_property_read_string(const struct device_node * np,const char * propname,const char ** out_string)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phy_attached_info(struct phy_device * phydev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct phy_device * phy_connect(struct net_device * dev,const char * bus_id,void (* handler)(struct net_device *),phy_interface_t interface)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phy_disconnect(struct phy_device * phydev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int phy_do_ioctl_running(struct net_device * dev,struct ifreq * ifr,int cmd)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int phy_ethtool_get_link_ksettings(struct net_device * ndev,struct ethtool_link_ksettings * cmd)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int phy_ethtool_nway_reset(struct net_device * ndev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int phy_ethtool_set_link_ksettings(struct net_device * ndev,const struct ethtool_link_ksettings * cmd)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phy_print_status(struct phy_device * phydev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phy_start(struct phy_device * phydev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phy_stop(struct phy_device * phydev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int phy_suspend(struct phy_device * phydev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int phylink_connect_phy(struct phylink * pl,struct phy_device * phy)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct phylink * phylink_create(struct phylink_config * config,struct fwnode_handle * fwnode,phy_interface_t iface,const struct phylink_mac_ops * mac_ops)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phylink_destroy(struct phylink * pl)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phylink_disconnect_phy(struct phylink * pl)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phylink_ethtool_get_pauseparam(struct phylink * pl,struct ethtool_pauseparam * pause)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int phylink_ethtool_set_pauseparam(struct phylink * pl,struct ethtool_pauseparam * pause)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phylink_generic_validate(struct phylink_config * config,unsigned long * supported,struct phylink_link_state * state)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phylink_resume(struct phylink * pl)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phylink_start(struct phylink * pl)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phylink_stop(struct phylink * pl)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void phylink_suspend(struct phylink * pl,bool mac_wol)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void refcount_warn_saturate(refcount_t * r,enum refcount_saturation_type t)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void rtmsg_ifinfo_send(struct sk_buff * skb,struct net_device * dev,gfp_t flags)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void sg_init_table(struct scatterlist * sgl,unsigned int nents)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void sk_error_report(struct sock * sk)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct sk_buff * skb_mac_gso_segment(struct sk_buff * skb,netdev_features_t features)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void smp_call_function_many(const struct cpumask * mask,smp_call_func_t func,void * info,bool wait)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void sock_edemux(struct sk_buff * skb)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool static_key_initialized;
+
+
+#include
+
+int sysctl_tstamp_allow_data;
+
+
+#include
+
+struct sk_buff * tcp_get_timestamping_opt_stats(const struct sock * sk,const struct sk_buff * orig_skb,const struct sk_buff * ack_skb)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void tick_broadcast(const struct cpumask * mask)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int usb_clear_halt(struct usb_device * dev,int pipe)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+extern void usb_devio_cleanup(void);
+void usb_devio_cleanup(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+extern void usb_disable_endpoint(struct usb_device * dev,unsigned int epaddr,bool reset_hardware);
+void usb_disable_endpoint(struct usb_device * dev,unsigned int epaddr,bool reset_hardware)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int usb_free_streams(struct usb_interface * interface,struct usb_host_endpoint ** eps,unsigned int num_eps,gfp_t mem_flags)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+extern int usb_get_device_descriptor(struct usb_device * dev,unsigned int size);
+int usb_get_device_descriptor(struct usb_device * dev,unsigned int size)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int usb_get_status(struct usb_device * dev,int recip,int type,int target,void * data)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int usb_hcd_alloc_bandwidth(struct usb_device * udev,struct usb_host_config * new_config,struct usb_host_interface * cur_alt,struct usb_host_interface * new_alt)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int usb_hcd_find_raw_port_number(struct usb_hcd * hcd,int port1)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+extern int usb_hub_create_port_device(struct usb_hub * hub,int port1);
+int usb_hub_create_port_device(struct usb_hub * hub,int port1)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+extern void usb_hub_remove_port_device(struct usb_hub * hub,int port1);
+void usb_hub_remove_port_device(struct usb_hub * hub,int port1)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+extern void usb_major_cleanup(void);
+void usb_major_cleanup(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct device_node * usb_of_get_device_node(struct usb_device * hub,int port1)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+extern int usb_set_isoch_delay(struct usb_device * dev);
+int usb_set_isoch_delay(struct usb_device * dev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+const char * usb_speed_string(enum usb_device_speed speed)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void usb_unpoison_urb(struct urb * urb)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+const u8 uuid_index[16] = {};
+
+
+#include
+
+void wake_q_add_safe(struct wake_q_head * head,struct task_struct * task)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int xdp_do_generic_redirect(struct net_device * dev,struct sk_buff * skb,struct xdp_buff * xdp,struct bpf_prog * xdp_prog)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+u32 xdp_master_redirect(struct xdp_buff * xdp)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
diff --git a/repos/dde_linux/src/drivers/usb_net/spec/arm/source.list b/repos/dde_linux/src/drivers/usb_net/spec/arm/source.list
new file mode 100644
index 0000000000..8d91ca16a3
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/spec/arm/source.list
@@ -0,0 +1,87 @@
+arch/arm/lib/clearbit.S
+arch/arm/lib/div64.S
+arch/arm/lib/findbit.S
+arch/arm/lib/setbit.S
+arch/arm/lib/strchr.S
+arch/arm/lib/testclearbit.S
+arch/arm/lib/testsetbit.S
+drivers/base/bus.c
+drivers/base/core.c
+drivers/base/class.c
+drivers/base/devres.c
+drivers/base/driver.c
+drivers/base/dd.c
+drivers/base/property.c
+drivers/net/mii.c
+drivers/net/usb/asix_common.c
+drivers/net/usb/asix_devices.c
+drivers/net/usb/asix.h
+drivers/net/usb/ax88172a.c
+drivers/net/usb/ax88179_178a.c
+drivers/net/usb/cdc_ether.c
+drivers/net/usb/cdc_mbim.c
+drivers/net/usb/cdc_ncm.c
+drivers/net/usb/usbnet.c
+drivers/usb/class/cdc-wdm.c
+drivers/usb/core/config.c
+drivers/usb/core/driver.c
+drivers/usb/core/generic.c
+drivers/usb/core/hub.c
+drivers/usb/core/quirks.c
+drivers/usb/core/usb.c
+fs/nls/nls_base.c
+kernel/kthread.c
+kernel/locking/mutex.c
+kernel/locking/osq_lock.c
+kernel/locking/rwsem.c
+kernel/notifier.c
+kernel/sched/build_utility.c
+kernel/smpboot.c
+kernel/softirq.c
+kernel/time/clockevents.c
+kernel/time/clocksource.c
+kernel/time/hrtimer.c
+kernel/time/jiffies.c
+kernel/time/ntp.c
+kernel/time/tick-broadcast.c
+kernel/time/tick-broadcast-hrtimer.c
+kernel/time/tick-common.c
+kernel/time/tick-oneshot.c
+kernel/time/tick-sched.c
+kernel/time/time.c
+kernel/time/timeconv.c
+kernel/time/timecounter.c
+kernel/time/timekeeping.c
+kernel/time/timer.c
+kernel/time/timer_list.c
+kernel/workqueue.c
+lib/bitmap.c
+lib/crc16.c
+lib/crc32.c
+lib/ctype.c
+lib/find_bit.c
+lib/hexdump.c
+lib/hweight.c
+lib/idr.c
+lib/kasprintf.c
+lib/klist.c
+lib/kobject.c
+lib/kstrtox.c
+lib/radix-tree.c
+lib/rhashtable.c
+lib/rbtree.c
+lib/xarray.c
+lib/siphash.c
+lib/string.c
+lib/string_helpers.c
+lib/timerqueue.c
+lib/vsprintf.c
+mm/util.c
+net/core/dev.c
+net/core/dev_addr_lists.c
+net/core/link_watch.c
+net/core/skbuff.c
+net/core/xdp.c
+net/ethernet/eth.c
+net/ethtool/common.c
+net/sched/sch_generic.c
diff --git a/repos/dde_linux/src/drivers/usb_net/spec/arm/target.mk b/repos/dde_linux/src/drivers/usb_net/spec/arm/target.mk
new file mode 100644
index 0000000000..9428a3be70
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/spec/arm/target.mk
@@ -0,0 +1,3 @@
+REQUIRES := arm
+
+include $(PRG_DIR)/../../target.inc
diff --git a/repos/dde_linux/src/drivers/usb_net/spec/arm_64/generated_dummies.c b/repos/dde_linux/src/drivers/usb_net/spec/arm_64/generated_dummies.c
new file mode 100644
index 0000000000..5cd9a6f964
--- /dev/null
+++ b/repos/dde_linux/src/drivers/usb_net/spec/arm_64/generated_dummies.c
@@ -0,0 +1,1047 @@
+/*
+ * \brief Dummy definitions of Linux Kernel functions
+ * \author Automatically generated file - do no edit
+ * \date 2023-08-18
+ */
+
+#include
+
+
+#include
+
+struct page * __alloc_pages(gfp_t gfp,unsigned int order,int preferred_nid,nodemask_t * nodemask)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+const char * __clk_get_name(const struct clk * clk)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct cpumask __cpu_active_mask;
+
+
+#include
+
+int __devm_mdiobus_register(struct device * dev,struct mii_bus * bus,struct module * owner)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __folio_put(struct folio * folio)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int __ipv6_addr_type(const struct in6_addr * addr)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct irq_domain * __irq_domain_add(struct fwnode_handle * fwnode,unsigned int size,irq_hw_number_t hwirq_max,int direct_max,const struct irq_domain_ops * ops,void * host_data)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct irq_desc * __irq_resolve_mapping(struct irq_domain * domain,irq_hw_number_t hwirq,unsigned int * irq)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int __mdiobus_register(struct mii_bus * bus,struct module * owner)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+unsigned long __per_cpu_offset[NR_CPUS] = {};
+
+
+#include
+
+int __printk_ratelimit(const char * func)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __printk_safe_enter(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __printk_safe_exit(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __put_task_struct(struct task_struct * tsk)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void __skb_get_hash(struct sk_buff * skb)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void * __vmalloc_node_range(unsigned long size,unsigned long align,unsigned long start,unsigned long end,gfp_t gfp_mask,pgprot_t prot,unsigned long vm_flags,int node,const void * caller)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int _printk_deferred(const char * fmt,...)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int add_uevent_var(struct kobj_uevent_env * env,const char * format,...)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+async_cookie_t async_schedule_node(async_func_t func,void * data,int node)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void async_synchronize_full(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void bpf_warn_invalid_xdp_action(struct net_device * dev,struct bpf_prog * prog,u32 act)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+noinstr void ct_irq_enter(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void ct_irq_enter_irqson(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+noinstr void ct_irq_exit(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void ct_irq_exit_irqson(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct mii_bus * devm_mdiobus_alloc_size(struct device * dev,int sizeof_priv)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool dma_default_coherent;
+
+
+#include
+
+void do_trace_netlink_extack(const char * msg)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void dst_release(struct dst_entry * dst)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+asmlinkage __visible void dump_stack(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void ethtool_convert_legacy_u32_to_link_mode(unsigned long * dst,u32 legacy_u32)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool ethtool_convert_link_mode_to_legacy_u32(u32 * legacy_u32,const unsigned long * src)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+u32 ethtool_op_get_link(struct net_device * dev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int ethtool_op_get_ts_info(struct net_device * dev,struct ethtool_ts_info * info)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool file_ns_capable(const struct file * file,struct user_namespace * ns,int cap)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void finish_rcuwait(struct rcuwait * w)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int genphy_resume(struct phy_device * phydev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+bool gfp_pfmemalloc_allowed(gfp_t gfp_mask)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct packet_offload * gro_find_complete_by_type(__be16 type)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct packet_offload * gro_find_receive_by_type(__be16 type)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+const u8 guid_index[16] = {};
+
+
+#include
+
+void handle_fasteoi_irq(struct irq_desc * desc)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void in6_dev_finish_destroy(struct inet6_dev * idev)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct user_namespace init_user_ns;
+
+
+#include
+
+bool initcall_debug;
+
+
+#include
+
+void __sched io_schedule(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void io_schedule_finish(int token)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+int io_schedule_prepare(void)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+long __sched io_schedule_timeout(long timeout)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+struct io_tlb_mem io_tlb_default_mem;
+
+
+#include
+
+int irq_can_set_affinity(unsigned int irq)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include
+
+void irq_domain_free_irqs_common(struct irq_domain * domain,unsigned int virq,unsigned int nr_irqs)
+{
+ lx_emul_trace_and_stop(__func__);
+}
+
+
+#include