From patchwork Mon Feb 12 20:19:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Aring X-Patchwork-Id: 872369 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=mojatatu-com.20150623.gappssmtp.com header.i=@mojatatu-com.20150623.gappssmtp.com header.b="OinfmviO"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zgH8R481hz9sRm for ; Tue, 13 Feb 2018 07:19:51 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753840AbeBLUTt (ORCPT ); Mon, 12 Feb 2018 15:19:49 -0500 Received: from mail-io0-f196.google.com ([209.85.223.196]:33607 "EHLO mail-io0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752470AbeBLUTr (ORCPT ); Mon, 12 Feb 2018 15:19:47 -0500 Received: by mail-io0-f196.google.com with SMTP id n7so18711782iob.0 for ; Mon, 12 Feb 2018 12:19:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mojatatu-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=zTeLelTJP8h7mKe77yd/GkDxSWI5b1+2b2kfQSkig30=; b=OinfmviOTZ8sTU2CwZg4X5u0ukS/1DuMNmhmCk8TEmZBKiaX9gXOh9DpMsO3zo+53j nsF2aLGgvXlx0pTM5j+ifLiVilHHBZe4SV5TDcUplFETnO3m+FiQvpGrm1CiS85NjHOp ZIUfapQx3NwBIiYKmoOLmNmNqB6wNeM+JmXTyUwM4ffF3zvEFqIRYQ6zE8xWMuPznvi+ cERBOxNPkC/b+7dccD/U4z63yLYiVYbfoYJo9LiQjmmuSg6ajqAHDyQ7pPLeOi0qeBzB tw2IEKOHSaLLUCOZht1R7EARqXD8cgsb8tDDr9VD2EsEa5r4Ncub9QSvVPyStYMgxmUt ZsGw== 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; bh=zTeLelTJP8h7mKe77yd/GkDxSWI5b1+2b2kfQSkig30=; b=uCMR/ZGqJ6ONOUt0EpQDxGvLb8I6i1Jr6TrjOOMjS/65udkkXDxJpwanF4b2TW8veq G4L2yMt9rCbEfjfqxCNW8vbudTS9UQms6/WVgVEAQ8z74zSwv2/gtnuQJ7pi6irjMYoC qPksDw5rvnIeeizx+hMjelaYrUjvtcDdLQLSFP3xOkq3bcKK4rzDjmsMyhw1RE4Tyvb8 ZBLCaa9TtmFtEsDc/to5zkVGeAyWEeLcx4hIXqwyYXpMfkSbhWxhyFNnE/DHvOxICsLK 6uXTVELwBCfjrz2GWuWT9e56nvZzHR5YdUaIT4h1/PGPU3pYzbNvu1QRA75BGmUFLdYe ARXw== X-Gm-Message-State: APf1xPBsqxwhwXv0gy+RgiUL0UwyxwJGlzDs98ttkZvWBA0bWTWlC5Uc 6kruHa5gd36Z9+/5OOO0PHw6DA== X-Google-Smtp-Source: AH8x225Lxjjx0nHLwp6oEsLufer+Dp71dpd+d6mbxLR7wql6/CQo0fcH6t2UQU1ldt3g//+GrXxxXg== X-Received: by 10.107.79.19 with SMTP id d19mr7513359iob.263.1518466786832; Mon, 12 Feb 2018 12:19:46 -0800 (PST) Received: from x220t.lan ([64.26.149.125]) by smtp.gmail.com with ESMTPSA id s8sm8213236itb.39.2018.02.12.12.19.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Feb 2018 12:19:46 -0800 (PST) From: Alexander Aring To: davem@davemloft.net Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, netdev@vger.kernel.org, Alexander Aring , David Ahern Subject: [PATCH net-next 7/8] net: sched: act: handle extack in tcf_generic_walker Date: Mon, 12 Feb 2018 15:19:10 -0500 Message-Id: <20180212201911.18704-8-aring@mojatatu.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180212201911.18704-1-aring@mojatatu.com> References: <20180212201911.18704-1-aring@mojatatu.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch adds extack handling for a common used TC act function "tcf_generic_walker()" to add an extack message on failures. The tcf_generic_walker() function can fail if get a invalid command different than DEL and GET. The naming "action" here is wrong, the correct naming would be command. Cc: David Ahern Signed-off-by: Alexander Aring --- include/net/act_api.h | 3 ++- net/sched/act_api.c | 6 ++++-- net/sched/act_bpf.c | 2 +- net/sched/act_connmark.c | 2 +- net/sched/act_csum.c | 2 +- net/sched/act_gact.c | 2 +- net/sched/act_ife.c | 2 +- net/sched/act_ipt.c | 4 ++-- net/sched/act_mirred.c | 2 +- net/sched/act_nat.c | 2 +- net/sched/act_pedit.c | 2 +- net/sched/act_police.c | 2 +- net/sched/act_sample.c | 2 +- net/sched/act_simple.c | 2 +- net/sched/act_skbedit.c | 2 +- net/sched/act_skbmod.c | 2 +- net/sched/act_tunnel_key.c | 2 +- net/sched/act_vlan.c | 2 +- 18 files changed, 23 insertions(+), 20 deletions(-) diff --git a/include/net/act_api.h b/include/net/act_api.h index ab3529255377..9c2f22695025 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -140,7 +140,8 @@ static inline void tc_action_net_exit(struct list_head *net_list, int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb, struct netlink_callback *cb, int type, - const struct tc_action_ops *ops); + const struct tc_action_ops *ops, + struct netlink_ext_ack *extack); int tcf_idr_search(struct tc_action_net *tn, struct tc_action **a, u32 index); bool tcf_idr_check(struct tc_action_net *tn, u32 index, struct tc_action **a, int bind); diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 1b30a29a2d9d..ab8431031d79 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -202,7 +202,8 @@ static int tcf_del_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb, int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb, struct netlink_callback *cb, int type, - const struct tc_action_ops *ops) + const struct tc_action_ops *ops, + struct netlink_ext_ack *extack) { struct tcf_idrinfo *idrinfo = tn->idrinfo; @@ -211,7 +212,8 @@ int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb, } else if (type == RTM_GETACTION) { return tcf_dump_walker(idrinfo, skb, cb); } else { - WARN(1, "tcf_generic_walker: unknown action %d\n", type); + WARN(1, "tcf_generic_walker: unknown command %d\n", type); + NL_SET_ERR_MSG(extack, "tcf_generic_walker: unknown command\n"); return -EINVAL; } } diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 7e01e2c710c4..cb3c5d403c88 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -372,7 +372,7 @@ static int tcf_bpf_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, bpf_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_bpf_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index cb722da0bb15..e4b880fa51fe 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -182,7 +182,7 @@ static int tcf_connmark_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, connmark_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_connmark_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index 3e8efadb750f..d5c2e528d150 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -636,7 +636,7 @@ static int tcf_csum_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, csum_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_csum_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c index d96ebe4bb65a..f072bcf33760 100644 --- a/net/sched/act_gact.c +++ b/net/sched/act_gact.c @@ -206,7 +206,7 @@ static int tcf_gact_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, gact_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_gact_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index b777e381e0dd..a5994cf0512b 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -829,7 +829,7 @@ static int tcf_ife_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, ife_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_ife_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index f33a8cc5dee6..9784629090ad 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -308,7 +308,7 @@ static int tcf_ipt_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, ipt_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_ipt_search(struct net *net, struct tc_action **a, u32 index, @@ -358,7 +358,7 @@ static int tcf_xt_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, xt_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_xt_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index 3dcd295ea6a7..05c2ebe92eca 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -270,7 +270,7 @@ static int tcf_mirred_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, mirred_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_mirred_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 67243cdc0588..4b5848b6c252 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -283,7 +283,7 @@ static int tcf_nat_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, nat_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_nat_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 6d6481f6bffa..094303c27c5e 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -424,7 +424,7 @@ static int tcf_pedit_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, pedit_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_pedit_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_police.c b/net/sched/act_police.c index ff803414a736..ff55bd6c7db0 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -63,7 +63,7 @@ static int tcf_act_police_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, police_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static const struct nla_policy police_policy[TCA_POLICE_MAX + 1] = { diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index 7a2b6a33f239..9765145aaf40 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -207,7 +207,7 @@ static int tcf_sample_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, sample_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_sample_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 3f5474d20702..8244e221fe4f 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -175,7 +175,7 @@ static int tcf_simp_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, simp_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_simp_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c index d99b6f1f5181..ddf69fc01bdf 100644 --- a/net/sched/act_skbedit.c +++ b/net/sched/act_skbedit.c @@ -213,7 +213,7 @@ static int tcf_skbedit_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, skbedit_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_skbedit_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index 369ea85d0f02..a406f191cb84 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -237,7 +237,7 @@ static int tcf_skbmod_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, skbmod_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_skbmod_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index bced6fd00d43..41ff9d0e5c62 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -296,7 +296,7 @@ static int tunnel_key_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, tunnel_key_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tunnel_key_search(struct net *net, struct tc_action **a, u32 index, diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index 7cf409443d02..71411a255f04 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -272,7 +272,7 @@ static int tcf_vlan_walker(struct net *net, struct sk_buff *skb, { struct tc_action_net *tn = net_generic(net, vlan_net_id); - return tcf_generic_walker(tn, skb, cb, type, ops); + return tcf_generic_walker(tn, skb, cb, type, ops, extack); } static int tcf_vlan_search(struct net *net, struct tc_action **a, u32 index,