bpftool: Add bash-completion for tcx subcommand

This commit adds bash-completion for attaching tcx program on interface.

Signed-off-by: Tao Chen <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Quentin Monnet <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
Signed-off-by: Andrii Nakryiko <[email protected]>

Author: chentao-kernel

tools/bpf/bpftool/bash-completion/bpftool

@@ -1079,7 +1079,7 @@ _bpftool()
             esac
             ;;
         net)
-            local ATTACH_TYPES='xdp xdpgeneric xdpdrv xdpoffload'
+            local ATTACH_TYPES='xdp xdpgeneric xdpdrv xdpoffload tcx_ingress tcx_egress'
             case $command in
                 show|list)
                     [[ $prev != "$command" ]] && return 0