From patchwork Fri Jul 30 21:54:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Monnet X-Patchwork-Id: 489691 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E9E7C4338F for ; Fri, 30 Jul 2021 21:55:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 64ED16024A for ; Fri, 30 Jul 2021 21:55:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232322AbhG3VzU (ORCPT ); Fri, 30 Jul 2021 17:55:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232239AbhG3VzB (ORCPT ); Fri, 30 Jul 2021 17:55:01 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F76EC0613D5 for ; Fri, 30 Jul 2021 14:54:55 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id u15so6812925wmj.1 for ; Fri, 30 Jul 2021 14:54:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isovalent-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=mAC8BUO1HwpV76GQDpKN1M+EroeUTcCIiK92P4SmGtg=; b=s8XKDUU5T3Ly+ohE8lqlsY3yeboxbtZr3Vicz2xcHLxk+xquDRokU8mio5IiFho5XN NhZHI5Z15uLBj/TsLu45DH0hPqX/BRYCzLjHIikMs+LahZuc4S6yaSIao63VCSL0GO3o 3+2ogSySY2qU553z1nkTwwT1PYfhjXa6j0lv9RixK/Z50vXM+CYmys8fZ7KRoNjd8qT9 HxVlupzQvRPA0MnMgZ0xgOsScgEcPdcoF3yMSx2iXYbtSFcAS1KSi8T9I0XSR8sHCN3/ FO2dJoqgMDhJvJxZHlbyz79Psts5jpQUrgn7f26P5tqVLm9nn5u5TqSyOkiPDFPA5FFT 0OfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=mAC8BUO1HwpV76GQDpKN1M+EroeUTcCIiK92P4SmGtg=; b=fTHZaY+mCYaiIfW+lDnFKC3E4yH2irNbZhEZE9FYBu4Dykp0x9ysx69TmSsniax4sD t0AbfsKCDnD3ULUE5QEWaDBde71ykIygAf2Axxt5YbcLkpI3t+e0m+H0mKQsl01SjiC1 YWBFLSZCPYsatzr/3hYShHONxoDfVqF0p+13q81ftsCY178Ths9j89c6n3JnkQym9gLK qY1P7a1SHk94SNxIM0i2zP7t6xhlCm4J/mlUyJs5fhw/WOdjDh0YBoCi0u4lczRlIlnH kmy3Qx1wM80VCq+XCc8OrTfGkLp3jksM8iNeo3S910y2hL0TSzvi1x2OwcCRlPsEklrR NqLw== X-Gm-Message-State: AOAM5328FWa/kySei76+sQ6VYfJN//F383LYefs4JW3mACrdKfayV6+K NRWb0z+yukQ3Ig+5S5WsbbzMMQ== X-Google-Smtp-Source: ABdhPJyRD/wusnyxOG6dN5hLnkOaTRm4m7Re/WS4sHV/+YfDB7p1jlDRvnKVgDzy/S5tKtJVd7akAw== X-Received: by 2002:a05:600c:1c09:: with SMTP id j9mr5123837wms.183.1627682093964; Fri, 30 Jul 2021 14:54:53 -0700 (PDT) Received: from localhost.localdomain ([149.86.78.245]) by smtp.gmail.com with ESMTPSA id v15sm3210871wmj.39.2021.07.30.14.54.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Jul 2021 14:54:53 -0700 (PDT) From: Quentin Monnet To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Quentin Monnet Subject: [PATCH bpf-next v2 1/7] tools: bpftool: slightly ease bash completion updates Date: Fri, 30 Jul 2021 22:54:29 +0100 Message-Id: <20210730215435.7095-2-quentin@isovalent.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210730215435.7095-1-quentin@isovalent.com> References: <20210730215435.7095-1-quentin@isovalent.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Bash completion for bpftool gets two minor improvements in this patch. Move the detection of attach types for "bpftool cgroup attach" outside of the "case/esac" bloc, where we cannot reuse our variable holding the list of supported attach types as a pattern list. After the change, we have only one list of cgroup attach types to update when new types are added, instead of the former two lists. Also rename the variables holding lists of names for program types, map types, and attach types, to make them more unique. This can make it slightly easier to point people to the relevant variables to update, but the main objective here is to help run a script to check that bash completion is up-to-date with bpftool's source code. Signed-off-by: Quentin Monnet --- tools/bpf/bpftool/bash-completion/bpftool | 54 ++++++++++++----------- 1 file changed, 29 insertions(+), 25 deletions(-) diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool index cc33c5824a2f..a7c947e00345 100644 --- a/tools/bpf/bpftool/bash-completion/bpftool +++ b/tools/bpf/bpftool/bash-completion/bpftool @@ -404,8 +404,9 @@ _bpftool() return 0 ;; 5) - COMPREPLY=( $( compgen -W 'msg_verdict stream_verdict \ - stream_parser flow_dissector' -- "$cur" ) ) + local BPFTOOL_PROG_ATTACH_TYPES='msg_verdict \ + stream_verdict stream_parser flow_dissector' + COMPREPLY=( $( compgen -W "$BPFTOOL_PROG_ATTACH_TYPES" -- "$cur" ) ) return 0 ;; 6) @@ -464,7 +465,7 @@ _bpftool() case $prev in type) - COMPREPLY=( $( compgen -W "socket kprobe \ + local BPFTOOL_PROG_LOAD_TYPES='socket kprobe \ kretprobe classifier flow_dissector \ action tracepoint raw_tracepoint \ xdp perf_event cgroup/skb cgroup/sock \ @@ -479,8 +480,8 @@ _bpftool() cgroup/post_bind4 cgroup/post_bind6 \ cgroup/sysctl cgroup/getsockopt \ cgroup/setsockopt cgroup/sock_release struct_ops \ - fentry fexit freplace sk_lookup" -- \ - "$cur" ) ) + fentry fexit freplace sk_lookup' + COMPREPLY=( $( compgen -W "$BPFTOOL_PROG_LOAD_TYPES" -- "$cur" ) ) return 0 ;; id) @@ -698,15 +699,15 @@ _bpftool() return 0 ;; type) - COMPREPLY=( $( compgen -W 'hash array prog_array \ - perf_event_array percpu_hash percpu_array \ - stack_trace cgroup_array lru_hash \ + local BPFTOOL_MAP_CREATE_TYPES='hash array \ + prog_array perf_event_array percpu_hash \ + percpu_array stack_trace cgroup_array lru_hash \ lru_percpu_hash lpm_trie array_of_maps \ hash_of_maps devmap devmap_hash sockmap cpumap \ xskmap sockhash cgroup_storage reuseport_sockarray \ percpu_cgroup_storage queue stack sk_storage \ - struct_ops inode_storage task_storage' -- \ - "$cur" ) ) + struct_ops inode_storage task_storage' + COMPREPLY=( $( compgen -W "$BPFTOOL_MAP_CREATE_TYPES" -- "$cur" ) ) return 0 ;; key|value|flags|entries) @@ -1017,34 +1018,37 @@ _bpftool() return 0 ;; attach|detach) - local ATTACH_TYPES='ingress egress sock_create sock_ops \ - device bind4 bind6 post_bind4 post_bind6 connect4 connect6 \ + local BPFTOOL_CGROUP_ATTACH_TYPES='ingress egress \ + sock_create sock_ops device \ + bind4 bind6 post_bind4 post_bind6 connect4 connect6 \ getpeername4 getpeername6 getsockname4 getsockname6 \ sendmsg4 sendmsg6 recvmsg4 recvmsg6 sysctl getsockopt \ setsockopt sock_release' local ATTACH_FLAGS='multi override' local PROG_TYPE='id pinned tag name' - case $prev in - $command) - _filedir - return 0 - ;; - ingress|egress|sock_create|sock_ops|device|bind4|bind6|\ - post_bind4|post_bind6|connect4|connect6|getpeername4|\ - getpeername6|getsockname4|getsockname6|sendmsg4|sendmsg6|\ - recvmsg4|recvmsg6|sysctl|getsockopt|setsockopt|sock_release) + # Check for $prev = $command first + if [ $prev = $command ]; then + _filedir + return 0 + # Then check for attach type. This is done outside of the + # "case $prev in" to avoid writing the whole list of attach + # types again as pattern to match (where we cannot reuse + # our variable). + elif [[ $BPFTOOL_CGROUP_ATTACH_TYPES =~ $prev ]]; then COMPREPLY=( $( compgen -W "$PROG_TYPE" -- \ "$cur" ) ) return 0 - ;; + fi + # case/esac for the other cases + case $prev in id) _bpftool_get_prog_ids return 0 ;; *) - if ! _bpftool_search_list "$ATTACH_TYPES"; then - COMPREPLY=( $( compgen -W "$ATTACH_TYPES" -- \ - "$cur" ) ) + if ! _bpftool_search_list "$BPFTOOL_CGROUP_ATTACH_TYPES"; then + COMPREPLY=( $( compgen -W \ + "$BPFTOOL_CGROUP_ATTACH_TYPES" -- "$cur" ) ) elif [[ "$command" == "attach" ]]; then # We have an attach type on the command line, # but it is not the previous word, or