From patchwork Sun Mar 31 20:03:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Monnet X-Patchwork-Id: 13612264 X-Patchwork-Delegate: bpf@iogearbox.net Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4A46314534F for ; Sun, 31 Mar 2024 20:04:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711915442; cv=none; b=UKcdaXl/vY2ToJz/DikhgLrNZif/zSvFEMXG/VV8C8vp6Th1xkrqxfTSskZ2RqNAuPr5f1lFmpYZ1J/Q08+Q78ehUMxxZmKv+Lt0GXtxLj4Ov+WZJYCb76PnmGW5hDkdvT4SfGhE2f71hQEH5zq+lFFAgHUN24NyxU9j9MXJBbY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711915442; c=relaxed/simple; bh=gNvZF84gCGhOBGuwWY6RqN1Ad6MtXKq7nbg7ihP/Dvs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hrZom7msRs27D41TrgLI+lqXn6OLxZddgPWfFDLjEKvDHemzEZZTh2LlCJIr48gWNU9HRWIaZEV4zWSvlhv17sqTCdEMGMUDTlA4JxLAWwvFDeyuy5CasFB/pJ2PnzybNkZYeiHBnFnGbXkz13FqqK+jTKEQbHhnhK05G6q/Veo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BaqUYpKg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BaqUYpKg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C38CC433A6; Sun, 31 Mar 2024 20:03:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711915442; bh=gNvZF84gCGhOBGuwWY6RqN1Ad6MtXKq7nbg7ihP/Dvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BaqUYpKg92hnolbMc8UayCRVMS+R3HqvpnkuxjKyesIzUcvEyzokBgdP4icqP4lX9 +cW2rEyWQC9pwXJa7uVHcioVuimCuFA5CPUra0aIESJxTvcMjROpc991omlIo/SC3N /x4EyBeSG1zDxFhipPinmPznPkaIDiYmgaUiDXpq+DpIKhOxZA9d/LZNNEHGFzJ3PU r4lRmtqZYTT3mesZgsTfothtyckL+6vhNBUeTLxpSTnBHNM9zMzf8IeE0Z3P2kWoFC /9UUO7RQdwAkn9FieAAu6pDjKpAjLGU9G498wJif+251GL/zzXuwlYHrW+GnGVvtmP /5Bnz++yRWODg== From: Quentin Monnet To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , bpf@vger.kernel.org, Rameez Rehman , Quentin Monnet Subject: [PATCH bpf-next 2/3] bpftool: Remove useless emphasis on command description in man pages Date: Sun, 31 Mar 2024 21:03:45 +0100 Message-Id: <20240331200346.29118-3-qmo@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240331200346.29118-1-qmo@kernel.org> References: <20240331200346.29118-1-qmo@kernel.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: bpf@iogearbox.net From: Rameez Rehman As it turns out, the terms in definition lists in the rST file are already rendered with bold-ish formatting when generating the man pages; all double-star sequences we have in the commands for the command description are unnecessary, and can be removed to make the documentation easier to read. The rST files were automatically processed with: sed -i '/DESCRIPTION/,/OPTIONS/ { /^\*/ s/\*\*//g }' b*.rst Signed-off-by: Rameez Rehman Signed-off-by: Quentin Monnet --- .../bpf/bpftool/Documentation/bpftool-btf.rst | 6 ++-- .../bpftool/Documentation/bpftool-cgroup.rst | 10 +++--- .../bpftool/Documentation/bpftool-feature.rst | 8 ++--- .../bpf/bpftool/Documentation/bpftool-gen.rst | 10 +++--- .../bpftool/Documentation/bpftool-iter.rst | 4 +-- .../bpftool/Documentation/bpftool-link.rst | 8 ++--- .../bpf/bpftool/Documentation/bpftool-map.rst | 32 +++++++++---------- .../bpf/bpftool/Documentation/bpftool-net.rst | 8 ++--- .../bpftool/Documentation/bpftool-perf.rst | 4 +-- .../bpftool/Documentation/bpftool-prog.rst | 22 ++++++------- .../Documentation/bpftool-struct_ops.rst | 10 +++--- 11 files changed, 61 insertions(+), 61 deletions(-) diff --git a/tools/bpf/bpftool/Documentation/bpftool-btf.rst b/tools/bpf/bpftool/Documentation/bpftool-btf.rst index 1be6b9aae053..f66781f20af2 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-btf.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-btf.rst @@ -34,7 +34,7 @@ BTF COMMANDS DESCRIPTION =========== -**bpftool btf { show | list }** [**id** *BTF_ID*] +bpftool btf { show | list } [id *BTF_ID*] Show information about loaded BTF objects. If a BTF ID is specified, show information only about given BTF object, otherwise list all BTF objects currently loaded on the system. @@ -43,7 +43,7 @@ DESCRIPTION that hold open file descriptors (FDs) against BTF objects. On such kernels bpftool will automatically emit this information as well. -**bpftool btf dump** *BTF_SRC* +bpftool btf dump *BTF_SRC* Dump BTF entries from a given *BTF_SRC*. When **id** is specified, BTF object with that ID will be loaded and all @@ -65,7 +65,7 @@ DESCRIPTION **format** option can be used to override default (raw) output format. Raw (**raw**) or C-syntax (**c**) output formats are supported. -**bpftool btf help** +bpftool btf help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst index 1dbabe33e56a..1acf9f58fca2 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst @@ -49,7 +49,7 @@ CGROUP COMMANDS DESCRIPTION =========== -**bpftool cgroup { show | list }** *CGROUP* [**effective**] +bpftool cgroup { show | list } *CGROUP* [effective] List all programs attached to the cgroup *CGROUP*. Output will start with program ID followed by attach type, attach flags and @@ -59,7 +59,7 @@ DESCRIPTION for events within a cgroup. This includes inherited along with attached ones. -**bpftool cgroup tree** [*CGROUP_ROOT*] [**effective**] +bpftool cgroup tree [*CGROUP_ROOT*] [effective] Iterate over all cgroups in *CGROUP_ROOT* and list all attached programs. If *CGROUP_ROOT* is not specified, bpftool uses cgroup v2 mountpoint. @@ -71,7 +71,7 @@ DESCRIPTION for events within a cgroup. This includes inherited along with attached ones. -**bpftool cgroup attach** *CGROUP* *ATTACH_TYPE* *PROG* [*ATTACH_FLAGS*] +bpftool cgroup attach *CGROUP* *ATTACH_TYPE* *PROG* [*ATTACH_FLAGS*] Attach program *PROG* to the cgroup *CGROUP* with attach type *ATTACH_TYPE* and optional *ATTACH_FLAGS*. @@ -126,10 +126,10 @@ DESCRIPTION **getsockname_unix** call to getsockname(2) for a unix socket (since 6.7); **sock_release** closing an userspace inet socket (since 5.9). -**bpftool cgroup detach** *CGROUP* *ATTACH_TYPE* *PROG* +bpftool cgroup detach *CGROUP* *ATTACH_TYPE* *PROG* Detach *PROG* from the cgroup *CGROUP* and attach type *ATTACH_TYPE*. -**bpftool prog help** +bpftool prog help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-feature.rst b/tools/bpf/bpftool/Documentation/bpftool-feature.rst index 5c2433147ba4..c7f837898bc7 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-feature.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-feature.rst @@ -32,7 +32,7 @@ FEATURE COMMANDS DESCRIPTION =========== -**bpftool feature probe** [**kernel**] [**full**] [**macros** [**prefix** *PREFIX*]] +bpftool feature probe [kernel] [full] [macros [prefix *PREFIX*]] Probe the running kernel and dump a number of eBPF-related parameters, such as availability of the **bpf**\ () system call, JIT status, eBPF program types availability, eBPF helper functions availability, and more. @@ -59,14 +59,14 @@ DESCRIPTION bpftool is inadvertently run as non-root, for example. This keyword is unavailable if bpftool was compiled without libcap. -**bpftool feature probe dev** *NAME* [**full**] [**macros** [**prefix** *PREFIX*]] +bpftool feature probe dev *NAME* [full] [macros [prefix *PREFIX*]] Probe network device for supported eBPF features and dump results to the console. The keywords **full**, **macros** and **prefix** have the same role as when probing the kernel. -**bpftool feature list_builtins** *GROUP* +bpftool feature list_builtins *GROUP* List items known to bpftool. These can be BPF program types (**prog_types**), BPF map types (**map_types**), attach types (**attach_types**), link types (**link_types**), or BPF helper functions @@ -75,7 +75,7 @@ DESCRIPTION (for all object types) or from the BPF UAPI header (list of helpers). This can be used in scripts to iterate over BPF types or helpers. -**bpftool feature help** +bpftool feature help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-gen.rst b/tools/bpf/bpftool/Documentation/bpftool-gen.rst index 68104347d592..e9589c21e9c3 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-gen.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-gen.rst @@ -31,7 +31,7 @@ GEN COMMANDS DESCRIPTION =========== -**bpftool gen object** *OUTPUT_FILE* *INPUT_FILE* [*INPUT_FILE*...] +bpftool gen object *OUTPUT_FILE* *INPUT_FILE* [*INPUT_FILE*...] Statically link (combine) together one or more *INPUT_FILE*'s into a single resulting *OUTPUT_FILE*. All the files involved are BPF ELF object files. @@ -48,7 +48,7 @@ DESCRIPTION command) or passed directly into **libbpf** (using **bpf_object__open()** family of APIs). -**bpftool gen skeleton** *FILE* +bpftool gen skeleton *FILE* Generate BPF skeleton C header file for a given *FILE*. BPF skeleton is an alternative interface to existing libbpf APIs for @@ -132,7 +132,7 @@ DESCRIPTION used to fetch and update (non-read-only) data from userspace, with same simplicity as for BPF side. -**bpftool gen subskeleton** *FILE* +bpftool gen subskeleton *FILE* Generate BPF subskeleton C header file for a given *FILE*. Subskeletons are similar to skeletons, except they do not own the @@ -154,7 +154,7 @@ DESCRIPTION Frees the storage for the subskeleton but *does not* unload any BPF programs or maps. -**bpftool** **gen min_core_btf** *INPUT* *OUTPUT* *OBJECT* [*OBJECT*...] +bpftool gen min_core_btf *INPUT* *OUTPUT* *OBJECT* [*OBJECT*...] Generate a minimum BTF file as *OUTPUT*, derived from a given *INPUT* BTF file, containing all needed BTF types so one, or more, given eBPF objects CO-RE relocations may be satisfied. @@ -174,7 +174,7 @@ DESCRIPTION Check examples bellow for more information how to use it. -**bpftool gen help** +bpftool gen help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-iter.rst b/tools/bpf/bpftool/Documentation/bpftool-iter.rst index af17cc0201d4..7bcb4e993d7d 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-iter.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-iter.rst @@ -31,7 +31,7 @@ ITER COMMANDS DESCRIPTION =========== -**bpftool iter pin** *OBJ* *PATH* [**map** *MAP*] +bpftool iter pin *OBJ* *PATH* [map *MAP*] A bpf iterator combines a kernel iterating of particular kernel data (e.g., tasks, bpf_maps, etc.) and a bpf program called for each kernel data object (e.g., one task, one bpf_map, etc.). User space can *read* kernel iterator @@ -48,7 +48,7 @@ DESCRIPTION User can then *cat PATH* to see the bpf iterator output. -**bpftool iter help** +bpftool iter help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-link.rst b/tools/bpf/bpftool/Documentation/bpftool-link.rst index 6d39ad890fea..6f09d4405ed8 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-link.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-link.rst @@ -33,7 +33,7 @@ LINK COMMANDS DESCRIPTION =========== -**bpftool link { show | list }** [*LINK*] +bpftool link { show | list } [*LINK*] Show information about active links. If *LINK* is specified show information only about given link, otherwise list all links currently active on the system. @@ -45,19 +45,19 @@ DESCRIPTION that hold open file descriptors (FDs) against BPF links. On such kernels bpftool will automatically emit this information as well. -**bpftool link pin** *LINK* *FILE* +bpftool link pin *LINK* *FILE* Pin link *LINK* as *FILE*. Note: *FILE* must be located in *bpffs* mount. It must not contain a dot character ('.'), which is reserved for future extensions of *bpffs*. -**bpftool link detach** *LINK* +bpftool link detach *LINK* Force-detach link *LINK*. BPF link and its underlying BPF program will stay valid, but they will be detached from the respective BPF hook and BPF link will transition into a defunct state until last open file descriptor for that link is closed. -**bpftool link help** +bpftool link help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-map.rst b/tools/bpf/bpftool/Documentation/bpftool-map.rst index 864257169942..252e4c538edb 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-map.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-map.rst @@ -59,7 +59,7 @@ MAP COMMANDS DESCRIPTION =========== -**bpftool map { show | list }** [*MAP*] +bpftool map { show | list } [*MAP*] Show information about loaded maps. If *MAP* is specified show information only about given maps, otherwise list all maps currently loaded on the system. In case of **name**, *MAP* may match several maps which will all @@ -72,7 +72,7 @@ DESCRIPTION that hold open file descriptors (FDs) against BPF maps. On such kernels bpftool will automatically emit this information as well. -**bpftool map create** *FILE* **type** *TYPE* **key** *KEY_SIZE* **value** *VALUE_SIZE* **entries** *MAX_ENTRIES* **name** *NAME* [**flags** *FLAGS*] [**inner_map** *MAP*] [**offload_dev** *NAME*] +bpftool map create *FILE* type *TYPE* key *KEY_SIZE* value *VALUE_SIZE* entries *MAX_ENTRIES* name *NAME* [flags *FLAGS*] [inner_map *MAP*] [offload_dev *NAME*] Create a new map with given parameters and pin it to *bpffs* as *FILE*. *FLAGS* should be an integer which is the combination of desired flags, @@ -86,11 +86,11 @@ DESCRIPTION Keyword **offload_dev** expects a network interface name, and is used to request hardware offload for the map. -**bpftool map dump** *MAP* +bpftool map dump *MAP* Dump all entries in a given *MAP*. In case of **name**, *MAP* may match several maps which will all be dumped. -**bpftool map update** *MAP* [**key** *DATA*] [**value** *VALUE*] [*UPDATE_FLAGS*] +bpftool map update *MAP* [key *DATA*] [value *VALUE*] [*UPDATE_FLAGS*] Update map entry for a given *KEY*. *UPDATE_FLAGS* can be one of: **any** update existing entry or add if @@ -103,22 +103,22 @@ DESCRIPTION unless a "0x" prefix (for hexadecimal) or a "0" prefix (for octal) is provided. -**bpftool map lookup** *MAP* [**key** *DATA*] +bpftool map lookup *MAP* [key *DATA*] Lookup **key** in the map. -**bpftool map getnext** *MAP* [**key** *DATA*] +bpftool map getnext *MAP* [key *DATA*] Get next key. If *key* is not specified, get first key. -**bpftool map delete** *MAP* **key** *DATA* +bpftool map delete *MAP* key *DATA* Remove entry from the map. -**bpftool map pin** *MAP* *FILE* +bpftool map pin *MAP* *FILE* Pin map *MAP* as *FILE*. Note: *FILE* must be located in *bpffs* mount. It must not contain a dot character ('.'), which is reserved for future extensions of *bpffs*. -**bpftool** **map event_pipe** *MAP* [**cpu** *N* **index** *M*] +bpftool map event_pipe *MAP* [cpu *N* index *M*] Read events from a **BPF_MAP_TYPE_PERF_EVENT_ARRAY** map. Install perf rings into a perf event array map and dump output of any @@ -133,29 +133,29 @@ DESCRIPTION existing ring. Any other application will stop receiving events if it installed its rings earlier. -**bpftool map peek** *MAP* +bpftool map peek *MAP* Peek next value in the queue or stack. -**bpftool map push** *MAP* **value** *VALUE* +bpftool map push *MAP* value *VALUE* Push *VALUE* onto the stack. -**bpftool map pop** *MAP* +bpftool map pop *MAP* Pop and print value from the stack. -**bpftool map enqueue** *MAP* **value** *VALUE* +bpftool map enqueue *MAP* value *VALUE* Enqueue *VALUE* into the queue. -**bpftool map dequeue** *MAP* +bpftool map dequeue *MAP* Dequeue and print value from the queue. -**bpftool map freeze** *MAP* +bpftool map freeze *MAP* Freeze the map as read-only from user space. Entries from a frozen map can not longer be updated or deleted with the **bpf**\ () system call. This operation is not reversible, and the map remains immutable from user space until its destruction. However, read and write permissions for BPF programs to the map remain unchanged. -**bpftool map help** +bpftool map help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-net.rst b/tools/bpf/bpftool/Documentation/bpftool-net.rst index 43d2c858fdf8..f8e65869f8b4 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-net.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-net.rst @@ -33,7 +33,7 @@ NET COMMANDS DESCRIPTION =========== -**bpftool net { show | list }** [ **dev** *NAME* ] +bpftool net { show | list } [ dev *NAME* ] List bpf program attachments in the kernel networking subsystem. Currently, device driver xdp attachments, tcx, netkit and old-style tc @@ -58,7 +58,7 @@ DESCRIPTION then all bpf programs attached to non clsact qdiscs, and finally all bpf programs attached to root and clsact qdisc. -**bpftool** **net attach** *ATTACH_TYPE* *PROG* **dev** *NAME* [ **overwrite** ] +bpftool net attach *ATTACH_TYPE* *PROG* dev *NAME* [ overwrite ] Attach bpf program *PROG* to network interface *NAME* with type specified by *ATTACH_TYPE*. Previously attached bpf program can be replaced by the command used with **overwrite** option. Currently, only XDP-related modes @@ -70,13 +70,13 @@ DESCRIPTION **xdpdrv** - Native XDP. runs earliest point in driver's receive path; **xdpoffload** - Offload XDP. runs directly on NIC on each packet reception; -**bpftool** **net detach** *ATTACH_TYPE* **dev** *NAME* +bpftool net detach *ATTACH_TYPE* dev *NAME* Detach bpf program attached to network interface *NAME* with type specified by *ATTACH_TYPE*. To detach bpf program, same *ATTACH_TYPE* previously used for attach must be specified. Currently, only XDP-related modes are supported for *ATTACH_TYPE*. -**bpftool net help** +bpftool net help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-perf.rst b/tools/bpf/bpftool/Documentation/bpftool-perf.rst index 841789e30acd..8c1ae55be596 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-perf.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-perf.rst @@ -29,7 +29,7 @@ PERF COMMANDS DESCRIPTION =========== -**bpftool perf { show | list }** +bpftool perf { show | list } List all raw_tracepoint, tracepoint, kprobe attachment in the system. Output will start with process id and file descriptor in that process, @@ -39,7 +39,7 @@ DESCRIPTION kernel virtual address. The attachment point for u[ret]probe is the file name and the file offset. -**bpftool perf help** +bpftool perf help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst index cc456d357db3..8e730cfb2589 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst @@ -67,7 +67,7 @@ PROG COMMANDS DESCRIPTION =========== -**bpftool prog { show | list }** [*PROG*] +bpftool prog { show | list } [*PROG*] Show information about loaded programs. If *PROG* is specified show information only about given programs, otherwise list all programs currently loaded on the system. In case of **tag** or **name**, *PROG* may @@ -87,7 +87,7 @@ DESCRIPTION that hold open file descriptors (FDs) against BPF programs. On such kernels bpftool will automatically emit this information as well. -**bpftool prog dump xlated** *PROG* [{ **file** *FILE* | [**opcodes**] [**linum**] [**visual**] }] +bpftool prog dump xlated *PROG* [{ file *FILE* | [opcodes] [linum] [visual] }] Dump eBPF instructions of the programs from the kernel. By default, eBPF will be disassembled and printed to standard output in human-readable format. In this case, **opcodes** controls if raw opcodes should be printed @@ -108,7 +108,7 @@ DESCRIPTION displayed. If **linum** is specified, the filename, line number and line column will also be displayed. -**bpftool prog dump jited** *PROG* [{ **file** *FILE* | [**opcodes**] [**linum**] }] +bpftool prog dump jited *PROG* [{ file *FILE* | [opcodes] [linum] }] Dump jited image (host machine code) of the program. If *FILE* is specified image will be written to a file, otherwise it will @@ -121,13 +121,13 @@ DESCRIPTION **linum** is specified, the filename, line number and line column will also be displayed. -**bpftool prog pin** *PROG* *FILE* +bpftool prog pin *PROG* *FILE* Pin program *PROG* as *FILE*. Note: *FILE* must be located in *bpffs* mount. It must not contain a dot character ('.'), which is reserved for future extensions of *bpffs*. -**bpftool prog { load | loadall }** *OBJ* *PATH* [**type** *TYPE*] [**map** { **idx** *IDX* | **name** *NAME* } *MAP*] [{ **offload_dev** | **xdpmeta_dev** } *NAME*] [**pinmaps** *MAP_DIR*] [**autoattach**] +bpftool prog { load | loadall } *OBJ* *PATH* [type *TYPE*] [map { idx *IDX* | name *NAME* } *MAP*] [{ offload_dev | xdpmeta_dev } *NAME*] [pinmaps *MAP_DIR*] [autoattach] Load bpf program(s) from binary *OBJ* and pin as *PATH*. **bpftool prog load** pins only the first program from the *OBJ* as *PATH*. **bpftool prog loadall** pins all programs from the *OBJ* under *PATH* directory. **type** @@ -156,24 +156,24 @@ DESCRIPTION Note: *PATH* must be located in *bpffs* mount. It must not contain a dot character ('.'), which is reserved for future extensions of *bpffs*. -**bpftool prog attach** *PROG* *ATTACH_TYPE* [*MAP*] +bpftool prog attach *PROG* *ATTACH_TYPE* [*MAP*] Attach bpf program *PROG* (with type specified by *ATTACH_TYPE*). Most *ATTACH_TYPEs* require a *MAP* parameter, with the exception of *flow_dissector* which is attached to current networking name space. -**bpftool prog detach** *PROG* *ATTACH_TYPE* [*MAP*] +bpftool prog detach *PROG* *ATTACH_TYPE* [*MAP*] Detach bpf program *PROG* (with type specified by *ATTACH_TYPE*). Most *ATTACH_TYPEs* require a *MAP* parameter, with the exception of *flow_dissector* which is detached from the current networking name space. -**bpftool prog tracelog** +bpftool prog tracelog Dump the trace pipe of the system to the console (stdout). Hit to stop printing. BPF programs can write to this trace pipe at runtime with the **bpf_trace_printk**\ () helper. This should be used only for debugging purposes. For streaming data from BPF programs to user space, one can use perf events (see also **bpftool-map**\ (8)). -**bpftool prog run** *PROG* **data_in** *FILE* [**data_out** *FILE* [**data_size_out** *L*]] [**ctx_in** *FILE* [**ctx_out** *FILE* [**ctx_size_out** *M*]]] [**repeat** *N*] +bpftool prog run *PROG* data_in *FILE* [data_out *FILE* [data_size_out *L*]] [ctx_in *FILE* [ctx_out *FILE* [ctx_size_out *M*]]] [repeat *N*] Run BPF program *PROG* in the kernel testing infrastructure for BPF, meaning that the program works on the data and context provided by the user, and not on actual packets or monitored functions etc. Return value @@ -201,12 +201,12 @@ DESCRIPTION them can take the **ctx_in**/**ctx_out** arguments. bpftool does not perform checks on program types. -**bpftool prog profile** *PROG* [**duration** *DURATION*] *METRICs* +bpftool prog profile *PROG* [duration *DURATION*] *METRICs* Profile *METRICs* for bpf program *PROG* for *DURATION* seconds or until user hits . *DURATION* is optional. If *DURATION* is not specified, the profiling will run up to **UINT_MAX** seconds. -**bpftool prog help** +bpftool prog help Print short help message. OPTIONS diff --git a/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst b/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst index 61ec1286446c..e871b9539ac7 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst @@ -36,7 +36,7 @@ STRUCT_OPS COMMANDS DESCRIPTION =========== -**bpftool struct_ops { show | list }** [*STRUCT_OPS_MAP*] +bpftool struct_ops { show | list } [*STRUCT_OPS_MAP*] Show brief information about the struct_ops in the system. If *STRUCT_OPS_MAP* is specified, it shows information only for the given struct_ops. Otherwise, it lists all struct_ops currently existing in the @@ -45,13 +45,13 @@ DESCRIPTION Output will start with struct_ops map ID, followed by its map name and its struct_ops's kernel type. -**bpftool struct_ops dump** [*STRUCT_OPS_MAP*] +bpftool struct_ops dump [*STRUCT_OPS_MAP*] Dump details information about the struct_ops in the system. If *STRUCT_OPS_MAP* is specified, it dumps information only for the given struct_ops. Otherwise, it dumps all struct_ops currently existing in the system. -**bpftool struct_ops register** *OBJ* [*LINK_DIR*] +bpftool struct_ops register *OBJ* [*LINK_DIR*] Register bpf struct_ops from *OBJ*. All struct_ops under the ELF section ".struct_ops" and ".struct_ops.link" will be registered to its kernel subsystem. For each struct_ops in the ".struct_ops.link" section, a link @@ -59,10 +59,10 @@ DESCRIPTION these links will be pinned with the same name as their corresponding map name. -**bpftool struct_ops unregister** *STRUCT_OPS_MAP* +bpftool struct_ops unregister *STRUCT_OPS_MAP* Unregister the *STRUCT_OPS_MAP* from the kernel subsystem. -**bpftool struct_ops help** +bpftool struct_ops help Print short help message. OPTIONS