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bpftool: Add support for task local storage

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Updates the binary to handle the BPF_MAP_TYPE_TASK_STORAGE as
"task_storage" for printing and parsing. Also updates the documentation
and bash completion

Signed-off-by: KP Singh <kpsingh@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20201106103747.2780972-5-kpsingh@chromium.org
This commit is contained in:
KP Singh 2020-11-06 10:37:42 +00:00 committed by Alexei Starovoitov
parent 8885274d22
commit 864ab0616d
3 changed files with 6 additions and 3 deletions
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3
tools/bpf/bpftool/Documentation/bpftool-map.rst
View File

@ -50,7 +50,8 @@ MAP COMMANDS
| | **lru_percpu_hash** | **lpm_trie** | **array_of_maps** | **hash_of_maps**
| | **devmap** | **devmap_hash** | **sockmap** | **cpumap** | **xskmap** | **sockhash**
| | **cgroup_storage** | **reuseport_sockarray** | **percpu_cgroup_storage**
| | **queue** | **stack** | **sk_storage** | **struct_ops** | **ringbuf** | **inode_storage** }
| | **queue** | **stack** | **sk_storage** | **struct_ops** | **ringbuf** | **inode_storage**
| **task_storage** }
DESCRIPTION
===========

2
tools/bpf/bpftool/bash-completion/bpftool
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@ -705,7 +705,7 @@ _bpftool()
hash_of_maps devmap devmap_hash sockmap cpumap \
xskmap sockhash cgroup_storage reuseport_sockarray \
percpu_cgroup_storage queue stack sk_storage \
struct_ops inode_storage' -- \
struct_ops inode_storage task_storage' -- \
"$cur" ) )
return 0
;;

4
tools/bpf/bpftool/map.c
View File

@ -51,6 +51,7 @@ const char * const map_type_name[] = {
[BPF_MAP_TYPE_STRUCT_OPS] = "struct_ops",
[BPF_MAP_TYPE_RINGBUF] = "ringbuf",
[BPF_MAP_TYPE_INODE_STORAGE] = "inode_storage",
[BPF_MAP_TYPE_TASK_STORAGE] = "task_storage",
};
const size_t map_type_name_size = ARRAY_SIZE(map_type_name);
@ -1464,7 +1465,8 @@ static int do_help(int argc, char **argv)
" lru_percpu_hash | lpm_trie | array_of_maps | hash_of_maps |\n"
" devmap | devmap_hash | sockmap | cpumap | xskmap | sockhash |\n"
" cgroup_storage | reuseport_sockarray | percpu_cgroup_storage |\n"
" queue | stack | sk_storage | struct_ops | ringbuf | inode_storage }\n"
" queue | stack | sk_storage | struct_ops | ringbuf | inode_storage |\n"
" task_storage }\n"
" " HELP_SPEC_OPTIONS "\n"
"",
bin_name, argv[-2]);