diff options
Diffstat (limited to 'tools/bpf/bpftool')
| -rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-cgroup.rst | 65 | ||||
| -rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-gen.rst | 8 | ||||
| -rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-iter.rst | 2 |
3 files changed, 35 insertions, 40 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst index 1acf9f58fca2..b2610d169e60 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst @@ -90,41 +90,36 @@ bpftool cgroup attach *CGROUP* *ATTACH_TYPE* *PROG* [*ATTACH_FLAGS*] Non-default *ATTACH_FLAGS* are supported by kernel version 4.14 and later. - *ATTACH_TYPE* can be on of: - **ingress** ingress path of the inet socket (since 4.10); - **egress** egress path of the inet socket (since 4.10); - **sock_create** opening of an inet socket (since 4.10); - **sock_ops** various socket operations (since 4.12); - **device** device access (since 4.15); - **bind4** call to bind(2) for an inet4 socket (since 4.17); - **bind6** call to bind(2) for an inet6 socket (since 4.17); - **post_bind4** return from bind(2) for an inet4 socket (since 4.17); - **post_bind6** return from bind(2) for an inet6 socket (since 4.17); - **connect4** call to connect(2) for an inet4 socket (since 4.17); - **connect6** call to connect(2) for an inet6 socket (since 4.17); - **connect_unix** call to connect(2) for a unix socket (since 6.7); - **sendmsg4** call to sendto(2), sendmsg(2), sendmmsg(2) for an unconnected - udp4 socket (since 4.18); - **sendmsg6** call to sendto(2), sendmsg(2), sendmmsg(2) for an unconnected - udp6 socket (since 4.18); - **sendmsg_unix** call to sendto(2), sendmsg(2), sendmmsg(2) for an - unconnected unix socket (since 6.7); - **recvmsg4** call to recvfrom(2), recvmsg(2), recvmmsg(2) for an - unconnected udp4 socket (since 5.2); - **recvmsg6** call to recvfrom(2), recvmsg(2), recvmmsg(2) for an - unconnected udp6 socket (since 5.2); - **recvmsg_unix** call to recvfrom(2), recvmsg(2), recvmmsg(2) for an - unconnected unix socket (since 6.7); - **sysctl** sysctl access (since 5.2); - **getsockopt** call to getsockopt (since 5.3); - **setsockopt** call to setsockopt (since 5.3); - **getpeername4** call to getpeername(2) for an inet4 socket (since 5.8); - **getpeername6** call to getpeername(2) for an inet6 socket (since 5.8); - **getpeername_unix** call to getpeername(2) for a unix socket (since 6.7); - **getsockname4** call to getsockname(2) for an inet4 socket (since 5.8); - **getsockname6** call to getsockname(2) for an inet6 socket (since 5.8). - **getsockname_unix** call to getsockname(2) for a unix socket (since 6.7); - **sock_release** closing an userspace inet socket (since 5.9). + *ATTACH_TYPE* can be one of: + + - **ingress** ingress path of the inet socket (since 4.10) + - **egress** egress path of the inet socket (since 4.10) + - **sock_create** opening of an inet socket (since 4.10) + - **sock_ops** various socket operations (since 4.12) + - **device** device access (since 4.15) + - **bind4** call to bind(2) for an inet4 socket (since 4.17) + - **bind6** call to bind(2) for an inet6 socket (since 4.17) + - **post_bind4** return from bind(2) for an inet4 socket (since 4.17) + - **post_bind6** return from bind(2) for an inet6 socket (since 4.17) + - **connect4** call to connect(2) for an inet4 socket (since 4.17) + - **connect6** call to connect(2) for an inet6 socket (since 4.17) + - **connect_unix** call to connect(2) for a unix socket (since 6.7) + - **sendmsg4** call to sendto(2), sendmsg(2), sendmmsg(2) for an unconnected udp4 socket (since 4.18) + - **sendmsg6** call to sendto(2), sendmsg(2), sendmmsg(2) for an unconnected udp6 socket (since 4.18) + - **sendmsg_unix** call to sendto(2), sendmsg(2), sendmmsg(2) for an unconnected unix socket (since 6.7) + - **recvmsg4** call to recvfrom(2), recvmsg(2), recvmmsg(2) for an unconnected udp4 socket (since 5.2) + - **recvmsg6** call to recvfrom(2), recvmsg(2), recvmmsg(2) for an unconnected udp6 socket (since 5.2) + - **recvmsg_unix** call to recvfrom(2), recvmsg(2), recvmmsg(2) for an unconnected unix socket (since 6.7) + - **sysctl** sysctl access (since 5.2) + - **getsockopt** call to getsockopt (since 5.3) + - **setsockopt** call to setsockopt (since 5.3) + - **getpeername4** call to getpeername(2) for an inet4 socket (since 5.8) + - **getpeername6** call to getpeername(2) for an inet6 socket (since 5.8) + - **getpeername_unix** call to getpeername(2) for a unix socket (since 6.7) + - **getsockname4** call to getsockname(2) for an inet4 socket (since 5.8) + - **getsockname6** call to getsockname(2) for an inet6 socket (since 5.8) + - **getsockname_unix** call to getsockname(2) for a unix socket (since 6.7) + - **sock_release** closing a userspace inet socket (since 5.9) bpftool cgroup detach *CGROUP* *ATTACH_TYPE* *PROG* Detach *PROG* from the cgroup *CGROUP* and attach type *ATTACH_TYPE*. diff --git a/tools/bpf/bpftool/Documentation/bpftool-gen.rst b/tools/bpf/bpftool/Documentation/bpftool-gen.rst index e9589c21e9c3..c768e6d4ae09 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-gen.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-gen.rst @@ -110,7 +110,7 @@ bpftool gen skeleton *FILE* - **example__open_and_load** combines **example__open** and **example__load** invocations in one commonly used operation. - - **example__attach** and **example__detach** + - **example__attach** and **example__detach**. This pair of functions allow to attach and detach, correspondingly, already loaded BPF object. Only BPF programs of types supported by libbpf for auto-attachment will be auto-attached and their corresponding BPF @@ -119,7 +119,7 @@ bpftool gen skeleton *FILE* **example__detach** will detach both links created automatically, as well as those populated by user manually. - - **example__destroy** + - **example__destroy**. Detach and unload BPF programs, free up all the resources used by skeleton and BPF object. @@ -146,11 +146,11 @@ bpftool gen subskeleton *FILE* Consequently, there are only two functions defined for subskeletons: - - **example__open(bpf_object\*)** + - **example__open(bpf_object\*)**. Instantiates a subskeleton from an already opened (but not necessarily loaded) **bpf_object**. - - **example__destroy()** + - **example__destroy()**. Frees the storage for the subskeleton but *does not* unload any BPF programs or maps. diff --git a/tools/bpf/bpftool/Documentation/bpftool-iter.rst b/tools/bpf/bpftool/Documentation/bpftool-iter.rst index 7bcb4e993d7d..2e5d81c906dc 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-iter.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-iter.rst @@ -21,7 +21,7 @@ SYNOPSIS *COMMANDS* := { **pin** | **help** } ITER COMMANDS -=================== +============= | **bpftool** **iter pin** *OBJ* *PATH* [**map** *MAP*] | **bpftool** **iter help** |