From patchwork Fri Oct 23 14:55:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vlad Buslov X-Patchwork-Id: 11853581 X-Patchwork-Delegate: stephen@networkplumber.org 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 38412C4363A for ; Fri, 23 Oct 2020 14:55:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC3A620853 for ; Fri, 23 Oct 2020 14:55:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S465399AbgJWOzx (ORCPT ); Fri, 23 Oct 2020 10:55:53 -0400 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:40839 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S461140AbgJWOzw (ORCPT ); Fri, 23 Oct 2020 10:55:52 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from vladbu@nvidia.com) with SMTP; 23 Oct 2020 17:55:42 +0300 Received: from reg-r-vrt-018-180.mtr.labs.mlnx. (reg-r-vrt-018-180.mtr.labs.mlnx [10.215.1.1]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 09NEtgp4012350; Fri, 23 Oct 2020 17:55:42 +0300 From: Vlad Buslov To: dsahern@gmail.com, stephen@networkplumber.org Cc: netdev@vger.kernel.org, davem@davemloft.net, jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, ivecera@redhat.com, vlad@buslov.dev, Vlad Buslov Subject: [PATCH iproute2-next v4 1/2] tc: skip actions that don't have options attribute when printing Date: Fri, 23 Oct 2020 17:55:35 +0300 Message-Id: <20201023145536.27578-2-vladbu@nvidia.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20201023145536.27578-1-vladbu@nvidia.com> References: <20201023145536.27578-1-vladbu@nvidia.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vlad Buslov Modify implementations that return error from action_until->print_aopt() callback to silently skip actions that don't have their corresponding TCA_ACT_OPTIONS attribute set (some actions already behave like this). Print action kind before returning from action_until->print_aopt() callbacks. This is necessary to support terse dump mode in following patch in the series. Signed-off-by: Vlad Buslov Suggested-by: Jamal Hadi Salim Acked-by: Jamal Hadi Salim --- Notes: Changes V3 -> V4: - Print action kind in brief mode. tc/m_bpf.c | 4 ++-- tc/m_connmark.c | 4 ++-- tc/m_csum.c | 4 ++-- tc/m_ct.c | 5 ++--- tc/m_ctinfo.c | 4 ++-- tc/m_gact.c | 4 ++-- tc/m_ife.c | 4 ++-- tc/m_ipt.c | 2 +- tc/m_mirred.c | 4 ++-- tc/m_mpls.c | 4 ++-- tc/m_nat.c | 4 ++-- tc/m_pedit.c | 4 ++-- tc/m_sample.c | 4 ++-- tc/m_simple.c | 2 +- tc/m_skbedit.c | 5 ++--- tc/m_skbmod.c | 2 +- tc/m_tunnel_key.c | 5 ++--- tc/m_vlan.c | 4 ++-- tc/m_xt.c | 2 +- tc/m_xt_old.c | 2 +- 20 files changed, 35 insertions(+), 38 deletions(-) diff --git a/tc/m_bpf.c b/tc/m_bpf.c index e8d704b557f9..af5ba5ce45dc 100644 --- a/tc/m_bpf.c +++ b/tc/m_bpf.c @@ -161,8 +161,9 @@ static int bpf_print_opt(struct action_util *au, FILE *f, struct rtattr *arg) struct tc_act_bpf *parm; int d_ok = 0; + print_string(PRINT_ANY, "kind", "%s ", "bpf"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_ACT_BPF_MAX, arg); @@ -172,7 +173,6 @@ static int bpf_print_opt(struct action_util *au, FILE *f, struct rtattr *arg) } parm = RTA_DATA(tb[TCA_ACT_BPF_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "bpf"); if (tb[TCA_ACT_BPF_NAME]) print_string(PRINT_ANY, "bpf_name", "%s ", diff --git a/tc/m_connmark.c b/tc/m_connmark.c index 4b2dc4e25ef8..640bba9da18e 100644 --- a/tc/m_connmark.c +++ b/tc/m_connmark.c @@ -110,8 +110,9 @@ static int print_connmark(struct action_util *au, FILE *f, struct rtattr *arg) struct rtattr *tb[TCA_CONNMARK_MAX + 1]; struct tc_connmark *ci; + print_string(PRINT_ANY, "kind", "%s ", "connmark"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_CONNMARK_MAX, arg); if (tb[TCA_CONNMARK_PARMS] == NULL) { @@ -121,7 +122,6 @@ static int print_connmark(struct action_util *au, FILE *f, struct rtattr *arg) ci = RTA_DATA(tb[TCA_CONNMARK_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "connmark"); print_uint(PRINT_ANY, "zone", "zone %u", ci->zone); print_action_control(f, " ", ci->action, ""); diff --git a/tc/m_csum.c b/tc/m_csum.c index afbee9c8de0f..23c5972535c6 100644 --- a/tc/m_csum.c +++ b/tc/m_csum.c @@ -166,8 +166,9 @@ print_csum(struct action_util *au, FILE *f, struct rtattr *arg) int uflag_count = 0; + print_string(PRINT_ANY, "kind", "%s ", "csum"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_CSUM_MAX, arg); @@ -199,7 +200,6 @@ print_csum(struct action_util *au, FILE *f, struct rtattr *arg) uflag_1 = "?empty"; } - print_string(PRINT_ANY, "kind", "%s ", "csum"); snprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s", uflag_1, uflag_2, uflag_3, uflag_4, uflag_5, uflag_6, uflag_7); diff --git a/tc/m_ct.c b/tc/m_ct.c index 70d186e859f4..a02bf0cc1655 100644 --- a/tc/m_ct.c +++ b/tc/m_ct.c @@ -443,8 +443,9 @@ static int print_ct(struct action_util *au, FILE *f, struct rtattr *arg) struct tc_ct *p; int ct_action = 0; + print_string(PRINT_ANY, "kind", "%s", "ct"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_CT_MAX, arg); if (tb[TCA_CT_PARMS] == NULL) { @@ -454,8 +455,6 @@ static int print_ct(struct action_util *au, FILE *f, struct rtattr *arg) p = RTA_DATA(tb[TCA_CT_PARMS]); - print_string(PRINT_ANY, "kind", "%s", "ct"); - if (tb[TCA_CT_ACTION]) ct_action = rta_getattr_u16(tb[TCA_CT_ACTION]); if (ct_action & TCA_CT_ACT_COMMIT) { diff --git a/tc/m_ctinfo.c b/tc/m_ctinfo.c index e5c1b43642a7..996a36217dfe 100644 --- a/tc/m_ctinfo.c +++ b/tc/m_ctinfo.c @@ -188,8 +188,9 @@ static int print_ctinfo(struct action_util *au, FILE *f, struct rtattr *arg) unsigned short zone = 0; struct tc_ctinfo *ci; + print_string(PRINT_ANY, "kind", "%s ", "ctinfo"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_CTINFO_MAX, arg); if (!tb[TCA_CTINFO_ACT]) { @@ -234,7 +235,6 @@ static int print_ctinfo(struct action_util *au, FILE *f, struct rtattr *arg) sizeof(__u16)) zone = rta_getattr_u16(tb[TCA_CTINFO_ZONE]); - print_string(PRINT_ANY, "kind", "%s ", "ctinfo"); print_hu(PRINT_ANY, "zone", "zone %u", zone); print_action_control(f, " ", ci->action, ""); diff --git a/tc/m_gact.c b/tc/m_gact.c index 33f326f823d1..2ef52cd10559 100644 --- a/tc/m_gact.c +++ b/tc/m_gact.c @@ -171,8 +171,9 @@ print_gact(struct action_util *au, FILE *f, struct rtattr *arg) struct tc_gact *p = NULL; struct rtattr *tb[TCA_GACT_MAX + 1]; + print_string(PRINT_ANY, "kind", "%s ", "gact"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_GACT_MAX, arg); @@ -182,7 +183,6 @@ print_gact(struct action_util *au, FILE *f, struct rtattr *arg) } p = RTA_DATA(tb[TCA_GACT_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "gact"); print_action_control(f, "action ", p->action, ""); #ifdef CONFIG_GACT_PROB if (tb[TCA_GACT_PROB] != NULL) { diff --git a/tc/m_ife.c b/tc/m_ife.c index 6a85e087ede1..70ab1d754fc5 100644 --- a/tc/m_ife.c +++ b/tc/m_ife.c @@ -227,8 +227,9 @@ static int print_ife(struct action_util *au, FILE *f, struct rtattr *arg) int has_optional = 0; SPRINT_BUF(b2); + print_string(PRINT_ANY, "kind", "%s ", "ife"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_IFE_MAX, arg); @@ -238,7 +239,6 @@ static int print_ife(struct action_util *au, FILE *f, struct rtattr *arg) } p = RTA_DATA(tb[TCA_IFE_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "ife"); print_string(PRINT_ANY, "mode", "%s ", p->flags & IFE_ENCODE ? "encode" : "decode"); print_action_control(f, "action ", p->action, " "); diff --git a/tc/m_ipt.c b/tc/m_ipt.c index cc95eab7fefb..046b310e64ab 100644 --- a/tc/m_ipt.c +++ b/tc/m_ipt.c @@ -433,7 +433,7 @@ print_ipt(struct action_util *au, FILE * f, struct rtattr *arg) __u32 hook; if (arg == NULL) - return -1; + return 0; lib_dir = getenv("IPTABLES_LIB_DIR"); if (!lib_dir) diff --git a/tc/m_mirred.c b/tc/m_mirred.c index d2bdf4074a73..38d8043baa46 100644 --- a/tc/m_mirred.c +++ b/tc/m_mirred.c @@ -281,8 +281,9 @@ print_mirred(struct action_util *au, FILE *f, struct rtattr *arg) struct rtattr *tb[TCA_MIRRED_MAX + 1]; const char *dev; + print_string(PRINT_ANY, "kind", "%s ", "mirred"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_MIRRED_MAX, arg); @@ -298,7 +299,6 @@ print_mirred(struct action_util *au, FILE *f, struct rtattr *arg) return -1; } - print_string(PRINT_ANY, "kind", "%s ", "mirred"); print_string(PRINT_FP, NULL, "(%s", mirred_n2a(p->eaction)); print_string(PRINT_JSON, "mirred_action", NULL, mirred_action(p->eaction)); diff --git a/tc/m_mpls.c b/tc/m_mpls.c index cb8019b1d278..54190aa8b422 100644 --- a/tc/m_mpls.c +++ b/tc/m_mpls.c @@ -213,8 +213,9 @@ static int print_mpls(struct action_util *au, FILE *f, struct rtattr *arg) SPRINT_BUF(b1); __u32 val; + print_string(PRINT_ANY, "kind", "%s ", "mpls"); if (!arg) - return -1; + return 0; parse_rtattr_nested(tb, TCA_MPLS_MAX, arg); @@ -224,7 +225,6 @@ static int print_mpls(struct action_util *au, FILE *f, struct rtattr *arg) } parm = RTA_DATA(tb[TCA_MPLS_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "mpls"); print_string(PRINT_ANY, "mpls_action", " %s", action_names[parm->m_action]); diff --git a/tc/m_nat.c b/tc/m_nat.c index 56e8f47cdefd..654f9a3bd95e 100644 --- a/tc/m_nat.c +++ b/tc/m_nat.c @@ -146,8 +146,9 @@ print_nat(struct action_util *au, FILE * f, struct rtattr *arg) SPRINT_BUF(buf2); int len; + print_string(PRINT_ANY, "type", " %s ", "nat"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_NAT_MAX, arg); @@ -160,7 +161,6 @@ print_nat(struct action_util *au, FILE * f, struct rtattr *arg) len = ffs(sel->mask); len = len ? 33 - len : 0; - print_string(PRINT_ANY, "type", " %s ", "nat"); print_string(PRINT_ANY, "direction", "%s", sel->flags & TCA_NAT_FLAG_EGRESS ? "egress" : "ingress"); diff --git a/tc/m_pedit.c b/tc/m_pedit.c index 51dcf10930e8..24fede4a7cab 100644 --- a/tc/m_pedit.c +++ b/tc/m_pedit.c @@ -745,8 +745,9 @@ static int print_pedit(struct action_util *au, FILE *f, struct rtattr *arg) struct m_pedit_key_ex *keys_ex = NULL; int err; + print_string(PRINT_ANY, "kind", " %s ", "pedit"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_PEDIT_MAX, arg); @@ -783,7 +784,6 @@ static int print_pedit(struct action_util *au, FILE *f, struct rtattr *arg) } } - print_string(PRINT_ANY, "kind", " %s ", "pedit"); print_action_control(f, "action ", sel->action, " "); print_uint(PRINT_ANY, "nkeys", "keys %d\n", sel->nkeys); print_uint(PRINT_ANY, "index", " \t index %u", sel->index); diff --git a/tc/m_sample.c b/tc/m_sample.c index 4a30513a6247..696d76095ae6 100644 --- a/tc/m_sample.c +++ b/tc/m_sample.c @@ -143,8 +143,9 @@ static int print_sample(struct action_util *au, FILE *f, struct rtattr *arg) struct rtattr *tb[TCA_SAMPLE_MAX + 1]; struct tc_sample *p; + print_string(PRINT_ANY, "kind", "%s ", "sample"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_SAMPLE_MAX, arg); @@ -155,7 +156,6 @@ static int print_sample(struct action_util *au, FILE *f, struct rtattr *arg) } p = RTA_DATA(tb[TCA_SAMPLE_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "sample"); print_uint(PRINT_ANY, "rate", "rate 1/%u ", rta_getattr_u32(tb[TCA_SAMPLE_RATE])); print_uint(PRINT_ANY, "group", "group %u", diff --git a/tc/m_simple.c b/tc/m_simple.c index 70897d6b7c13..bc86be27cbcc 100644 --- a/tc/m_simple.c +++ b/tc/m_simple.c @@ -166,7 +166,7 @@ static int print_simple(struct action_util *au, FILE *f, struct rtattr *arg) char *simpdata; if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_DEF_MAX, arg); diff --git a/tc/m_skbedit.c b/tc/m_skbedit.c index 9afe2f0c049d..46d92b25582f 100644 --- a/tc/m_skbedit.c +++ b/tc/m_skbedit.c @@ -198,8 +198,9 @@ static int print_skbedit(struct action_util *au, FILE *f, struct rtattr *arg) __u16 ptype; struct tc_skbedit *p; + print_string(PRINT_ANY, "kind", "%s ", "skbedit"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_SKBEDIT_MAX, arg); @@ -209,8 +210,6 @@ static int print_skbedit(struct action_util *au, FILE *f, struct rtattr *arg) } p = RTA_DATA(tb[TCA_SKBEDIT_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "skbedit"); - if (tb[TCA_SKBEDIT_QUEUE_MAPPING] != NULL) { print_uint(PRINT_ANY, "queue_mapping", "queue_mapping %u", rta_getattr_u16(tb[TCA_SKBEDIT_QUEUE_MAPPING])); diff --git a/tc/m_skbmod.c b/tc/m_skbmod.c index d38a5c1921e7..e13d3f16bfcb 100644 --- a/tc/m_skbmod.c +++ b/tc/m_skbmod.c @@ -169,7 +169,7 @@ static int print_skbmod(struct action_util *au, FILE *f, struct rtattr *arg) SPRINT_BUF(b2); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_SKBMOD_MAX, arg); diff --git a/tc/m_tunnel_key.c b/tc/m_tunnel_key.c index bfec90724d72..ca0dff119a49 100644 --- a/tc/m_tunnel_key.c +++ b/tc/m_tunnel_key.c @@ -670,8 +670,9 @@ static int print_tunnel_key(struct action_util *au, FILE *f, struct rtattr *arg) struct rtattr *tb[TCA_TUNNEL_KEY_MAX + 1]; struct tc_tunnel_key *parm; + print_string(PRINT_ANY, "kind", "%s ", "tunnel_key"); if (!arg) - return -1; + return 0; parse_rtattr_nested(tb, TCA_TUNNEL_KEY_MAX, arg); @@ -681,8 +682,6 @@ static int print_tunnel_key(struct action_util *au, FILE *f, struct rtattr *arg) } parm = RTA_DATA(tb[TCA_TUNNEL_KEY_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "tunnel_key"); - switch (parm->t_action) { case TCA_TUNNEL_KEY_ACT_RELEASE: print_string(PRINT_ANY, "mode", " %s", "unset"); diff --git a/tc/m_vlan.c b/tc/m_vlan.c index e6b21330a05a..dbb0912eff22 100644 --- a/tc/m_vlan.c +++ b/tc/m_vlan.c @@ -238,8 +238,9 @@ static int print_vlan(struct action_util *au, FILE *f, struct rtattr *arg) __u16 val; struct tc_vlan *parm; + print_string(PRINT_ANY, "kind", "%s ", "vlan"); if (arg == NULL) - return -1; + return 0; parse_rtattr_nested(tb, TCA_VLAN_MAX, arg); @@ -249,7 +250,6 @@ static int print_vlan(struct action_util *au, FILE *f, struct rtattr *arg) } parm = RTA_DATA(tb[TCA_VLAN_PARMS]); - print_string(PRINT_ANY, "kind", "%s ", "vlan"); print_string(PRINT_ANY, "vlan_action", " %s", action_names[parm->v_action]); diff --git a/tc/m_xt.c b/tc/m_xt.c index 487ba25ad391..deaf96a26f75 100644 --- a/tc/m_xt.c +++ b/tc/m_xt.c @@ -320,7 +320,7 @@ print_ipt(struct action_util *au, FILE *f, struct rtattr *arg) __u32 hook; if (arg == NULL) - return -1; + return 0; /* copy tcipt_globals because .opts will be modified by iptables */ struct xtables_globals tmp_tcipt_globals = tcipt_globals; diff --git a/tc/m_xt_old.c b/tc/m_xt_old.c index 6a4509a9982f..db014898590d 100644 --- a/tc/m_xt_old.c +++ b/tc/m_xt_old.c @@ -358,7 +358,7 @@ print_ipt(struct action_util *au, FILE * f, struct rtattr *arg) __u32 hook; if (arg == NULL) - return -1; + return 0; set_lib_dir();