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ae24345da5
The target can call bpf_iter_reg_target() to register itself.
The needed information:
target: target name
seq_ops: the seq_file operations for the target
init_seq_private target callback to initialize seq_priv during file open
fini_seq_private target callback to clean up seq_priv during file release
seq_priv_size: the private_data size needed by the seq_file
operations
The target name represents a target which provides a seq_ops
for iterating objects.
The target can provide two callback functions, init_seq_private
and fini_seq_private, called during file open/release time.
For example, /proc/net/{tcp6, ipv6_route, netlink, ...}, net
name space needs to be setup properly during file open and
released properly during file release.
Function bpf_iter_unreg_target() is also implemented to unregister
a particular target.
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200509175859.2474669-1-yhs@fb.com
34 lines
1.1 KiB
Makefile
34 lines
1.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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obj-y := core.o
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CFLAGS_core.o += $(call cc-disable-warning, override-init)
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obj-$(CONFIG_BPF_SYSCALL) += syscall.o verifier.o inode.o helpers.o tnum.o bpf_iter.o
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obj-$(CONFIG_BPF_SYSCALL) += hashtab.o arraymap.o percpu_freelist.o bpf_lru_list.o lpm_trie.o map_in_map.o
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obj-$(CONFIG_BPF_SYSCALL) += local_storage.o queue_stack_maps.o
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obj-$(CONFIG_BPF_SYSCALL) += disasm.o
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obj-$(CONFIG_BPF_JIT) += trampoline.o
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obj-$(CONFIG_BPF_SYSCALL) += btf.o
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obj-$(CONFIG_BPF_JIT) += dispatcher.o
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ifeq ($(CONFIG_NET),y)
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obj-$(CONFIG_BPF_SYSCALL) += devmap.o
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obj-$(CONFIG_BPF_SYSCALL) += cpumap.o
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ifeq ($(CONFIG_XDP_SOCKETS),y)
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obj-$(CONFIG_BPF_SYSCALL) += xskmap.o
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endif
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obj-$(CONFIG_BPF_SYSCALL) += offload.o
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endif
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ifeq ($(CONFIG_PERF_EVENTS),y)
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obj-$(CONFIG_BPF_SYSCALL) += stackmap.o
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endif
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obj-$(CONFIG_CGROUP_BPF) += cgroup.o
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ifeq ($(CONFIG_INET),y)
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obj-$(CONFIG_BPF_SYSCALL) += reuseport_array.o
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endif
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ifeq ($(CONFIG_SYSFS),y)
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obj-$(CONFIG_DEBUG_INFO_BTF) += sysfs_btf.o
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endif
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ifeq ($(CONFIG_BPF_JIT),y)
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obj-$(CONFIG_BPF_SYSCALL) += bpf_struct_ops.o
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obj-${CONFIG_BPF_LSM} += bpf_lsm.o
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endif
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