Commit e85f99aa authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Alexei Starovoitov
Browse files

tools/bpftool: Add documentation and bash-completion for `link detach` 



Add info on link detach sub-command to man page. Add detach to bash-completion
as well.

Signed-off-by: default avatarAndrii Nakryiko <andriin@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarSong Liu <songliubraving@fb.com>
Acked-by: default avatarJohn Fastabend <john.fastabend@gmail.com.>
Link: https://lore.kernel.org/bpf/20200731182830.286260-6-andriin@fb.com
parent 0e8c7c07

tools/bpf/bpftool/Documentation/bpftool-link.rst

+8 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ LINK COMMANDS 


|	**bpftool** **link { show | list }** [*LINK*]

|	**bpftool** **link pin** *LINK* *FILE*

|	**bpftool** **link detach *LINK*

|	**bpftool** **link help**

|

|	*LINK* := { **id** *LINK_ID* | **pinned** *FILE* }
@@ -49,6 +50,13 @@ DESCRIPTION 
		  contain a dot character ('.'), which is reserved for future

		  extensions of *bpffs*.



	**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**

		  Print short help message.

tools/bpf/bpftool/bash-completion/bpftool

+2 −2
Original line number Diff line number Diff line
@@ -1122,7 +1122,7 @@ _bpftool() 
            ;;

        link)

            case $command in

                show|list|pin)

                show|list|pin|detach)

                    case $prev in

                        id)

                            _bpftool_get_link_ids
@@ -1139,7 +1139,7 @@ _bpftool() 
                    COMPREPLY=( $( compgen -W "$LINK_TYPE" -- "$cur" ) )

                    return 0

                    ;;

                pin)

                pin|detach)

                    if [[ $prev == "$command" ]]; then

                        COMPREPLY=( $( compgen -W "$LINK_TYPE" -- "$cur" ) )

                    else