| /Linux-v5.10/samples/bpf/ |
| D | tcp_bpf.readme | 2 programs. These programs attach to a cgroupv2. The following commands create
12 (attach) one of the tcp_*_kern.o programs:
19 The tcp_*_kern.o programs use special print functions to print logging
23 cgroupv2 to which the BPF programs are attached (i.e. under bash shell
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| /Linux-v5.10/tools/bpf/bpftool/Documentation/ |
| D | bpftool-net.rst | 40 For programs attached to a particular cgroup, e.g.,
45 bpf programs, users should consult other tools, e.g., iproute2.
48 all tc class/qdisc bpf program attachments. Both xdp programs and
49 tc programs are ordered based on ifindex number. If multiple bpf
50 programs attached to the same networking device through **tc filter**,
51 the order will be first all bpf programs attached to tc classes, then
52 all bpf programs attached to non clsact qdiscs, and finally all
53 bpf programs attached to root and clsact qdisc.
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| D | bpftool-gen.rst | 33 with BPF programs from userspace side. Generated code is
43 programs, skeleton provides a storage for BPF links (**struct
45 requested, supported BPF programs will be automatically
48 programs that can't be automatically attached by libbpf,
53 rely on libbpf support to detach programs and free up
75 specific maps, programs, etc.
91 programs, initializes global data maps. It corresponds to
101 programs of types supported by libbpf for auto-attachment
103 instantiated. For other BPF programs, user can manually
110 Detach and unload BPF programs, free up all the resources
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| D | bpftool-prog.rst | 61 Show information about loaded programs. If *PROG* is
62 specified show information only about given programs,
63 otherwise list all programs currently loaded on the system.
65 programs which will all be shown.
71 programs (such as the total time spent running the program,
80 programs. On such kernels bpftool will automatically emit this
84 Dump eBPF instructions of the programs from the kernel. By
90 programs which will all be dumped. However, if **file** or
100 If the programs have line_info available, the source line will
129 *OBJ* as *PATH*. **bpftool prog loadall** pins all programs
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| D | bpftool-cgroup.rst | 39 List all programs attached to the cgroup *CGROUP*.
44 If **effective** is specified retrieve effective programs that
50 attached programs. If *CGROUP_ROOT* is not specified,
57 If **effective** is specified retrieve effective programs that
75 Multiple programs are allowed to be attached to a cgroup with
122 Show file names of pinned programs.
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| D | common_options.rst | 8 for JIT-ted programs (**bpftool prog dump jited**) and usage of BPF
22 load programs.
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| /Linux-v5.10/Documentation/bpf/ |
| D | drgn.rst | 23 `bpf_inspect.py`_ is a tool intended to inspect BPF programs and maps. It can
24 iterate over all programs and maps in the system and print basic information
27 The main use-case `bpf_inspect.py`_ covers is to show BPF programs of types
29 programs via ``freplace``/``fentry``/``fexit`` mechanisms, since there is no
35 List BPF programs (full names are obtained from BTF)::
49 Find BPF programs attached to BPF program ``test_pkt_access``::
62 are multiple other tracing and ext programs attached to functions in
80 drgn script to list BPF programs or maps and their properties
90 prog (p) list BPF programs
97 information about BPF programs, maps and other objects.
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| D | bpf_design_QA.rst | 32 A: Because BPF programs are designed to run in the linux kernel
49 Q: Can BPF programs access instruction pointer or return address?
53 Q: Can BPF programs access stack pointer ?
69 BPF programs and programs call kernel helpers with zero overhead,
71 for JITed BPF programs that are indistinguishable from
112 versions will accept all bpf programs that were accepted by
160 workaround would be acceptable. Turned out that programs lose performance
179 programs for 32-bit architectures.
203 A: YES. BPF instructions, arguments to BPF programs, set of helper
205 of ABI. However there is one specific exception to tracing programs
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| D | bpf_lsm.rst | 8 These BPF programs allow runtime instrumentation of the LSM hooks by privileged
23 eBPF programs that use :doc:`/bpf/btf` do not need to include kernel headers
51 build environment matches the environment the BPF programs are
54 The ``vmlinux.h`` can then simply be included in the BPF programs without
57 The eBPF programs can be declared using the``BPF_PROG``
97 eBPF programs can be loaded with the :manpage:`bpf(2)` syscall's
119 The LSM allows attachment of eBPF programs as LSM hooks using :manpage:`bpf(2)`
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| D | prog_sk_lookup.rst | 40 Multiple programs can be attached to one network namespace. Programs will be
46 The attached BPF sk_lookup programs run whenever the transport layer needs to
52 The attached BPF programs must return with either ``SK_PASS`` or ``SK_DROP``
65 When multiple programs are attached, the end result is determined from return
66 codes of all the programs according to the following rules:
74 4. If all programs returned ``SK_PASS`` and none of them selected a socket,
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| D | map_cgroup_storage.rst | 9 storage. It is only available with ``CONFIG_CGROUP_BPF``, and to programs that
10 attach to cgroups; the programs are made available by the same Kconfig. The
39 ``struct bpf_cgroup_storage_key``, then programs of different attach types
49 can be accessed by multiple programs across different CPUs, and user should
140 program, sharing of this cgroup's storage with other BPF programs were
143 Since Linux 5.9, storage can be shared by multiple programs. When a program is
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| /Linux-v5.10/Documentation/networking/ |
| D | atm.rst | 8 several user-mode programs are required to assist the kernel. These
9 programs and related material can be found via the ATM on Linux Web
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| /Linux-v5.10/drivers/media/radio/wl128x/ |
| D | Kconfig | 12 In order to control your radio card, you will need to use programs
14 this API and pointers to "v4l2" programs may be found at
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| /Linux-v5.10/kernel/bpf/preload/ |
| D | Kconfig | 15 This builds kernel module with several embedded BPF programs that are
17 useful in debugging and introspection of BPF programs and maps.
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| /Linux-v5.10/drivers/media/test-drivers/vidtv/ |
| D | vidtv_channel.c | 419 struct vidtv_psi_table_pat_program *programs = NULL; in vidtv_channel_si_init() local
432 programs = vidtv_channel_pat_prog_cat_into_new(m); in vidtv_channel_si_init()
433 if (!programs) in vidtv_channel_si_init()
458 programs->service_id); in vidtv_channel_si_init()
463 vidtv_psi_pat_program_assign(m->si.pat, programs); in vidtv_channel_si_init()
495 vidtv_psi_pat_program_destroy(programs); in vidtv_channel_si_init()
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| /Linux-v5.10/LICENSES/exceptions/ |
| D | GCC-exception-2.0 | 14 compiled version of this file into combinations with other programs, and to
15 distribute those programs without any restriction coming from the use of
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| /Linux-v5.10/Documentation/ABI/testing/ |
| D | sysfs-devices | 16 Or rely on the uevent messages to notify programs of
22 programs must be able to handle such occurrences.
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| /Linux-v5.10/security/tomoyo/ |
| D | Kconfig | 26 Some programs access thousands of objects, so running
27 such programs in "learning mode" dulls the system response
29 This is the safeguard for such programs.
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| /Linux-v5.10/Documentation/admin-guide/ |
| D | serial-console.rst | 97 and your console is NOT the virtual console some programs will fail.
98 Those are programs that want to access the VT interface, and use
99 ``/dev/console instead of /dev/tty0``. Some of those programs are::
103 It should be fixed in modern versions of these programs though.
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| /Linux-v5.10/sound/core/seq/ |
| D | Kconfig | 11 Many programs require this feature, so you should enable it
37 Many programs still use the OSS API, so say Y.
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| /Linux-v5.10/scripts/kconfig/ |
| D | .gitignore | 6 # configuration programs
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| /Linux-v5.10/Documentation/kbuild/ |
| D | headers_install.rst | 6 form suitable for use by userspace programs.
9 programs attempting to use kernel services. These kernel header files are
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| /Linux-v5.10/Documentation/admin-guide/LSM/ |
| D | SafeSetID.rst | 15 CAP_SETUID is granted to programs running as root or those running as a non-root
27 especially since programs often only call setuid() to drop privileges to a
42 non-root programs can drop to even-lesser-privileged uids. This is especially
69 namespace and give programs in the tree setid capabilities. In this way,
70 programs in the tree could change to any desired UID/GID in the context of their
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| /Linux-v5.10/drivers/media/radio/ |
| D | Kconfig | 36 In order to control your radio card, you will need to use programs
38 this API and pointers to "v4l2" programs may be found at
76 In order to control your radio card, you will need to use programs
78 this API and pointers to "v4l" programs may be found at
94 In order to control your radio card, you will need to use programs
96 this API and pointers to "v4l" programs may be found at
111 In order to control your radio card, you will need to use programs
113 this API and pointers to "v4l" programs may be found at
218 In order to control your radio card, you will need to use programs
220 this API and pointers to "v4l2" programs may be found at
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| /Linux-v5.10/Documentation/admin-guide/hw-vuln/ |
| D | spectre.rst | 256 User programs should use address space randomization to make attacks
478 User programs can mitigate Spectre variant 1 using LFENCE or "bounds
481 For Spectre variant 2 mitigation, individual user programs
485 programs can disable their indirect branch speculation via prctl()
493 on x86. All sand-boxed SECCOMP programs have indirect branch
501 User programs should use address space randomization
662 2. Protect sensitive programs
665 For security-sensitive programs that have secrets (e.g. crypto
670 3. Sandbox untrusted programs
673 Untrusted programs that could be a source of attacks can be cordoned
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