netdev - [RFC PATCH iproute2 4/5] act/ct: add support for force flag

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Date:   Fri, 25 Jan 2019 00:33:32 -0200
From:   Marcelo Ricardo Leitner <mleitner@...hat.com>
To:     Guy Shattah <sguy@...lanox.com>,
        Marcelo Leitner <mleitner@...hat.com>,
        Aaron Conole <aconole@...hat.com>,
        John Hurley <john.hurley@...ronome.com>,
        Simon Horman <simon.horman@...ronome.com>,
        Justin Pettit <jpettit@....org>,
        Gregory Rose <gvrose8192@...il.com>,
        Eelco Chaudron <echaudro@...hat.com>,
        Flavio Leitner <fbl@...hat.com>,
        Florian Westphal <fwestpha@...hat.com>,
        Jiri Pirko <jiri@...nulli.us>, Rashid Khan <rkhan@...hat.com>,
        Sushil Kulkarni <sukulkar@...hat.com>,
        Andy Gospodarek <andrew.gospodarek@...adcom.com>,
        Roi Dayan <roid@...lanox.com>,
        Yossi Kuperman <yossiku@...lanox.com>,
        Or Gerlitz <ogerlitz@...lanox.com>,
        Rony Efraim <ronye@...lanox.com>,
        "davem@...emloft.net" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org
Subject: [RFC PATCH iproute2 4/5] act/ct: add support for force flag

Signed-off-by: Marcelo Ricardo Leitner <mleitner@...hat.com>
---
 include/uapi/linux/tc_act/tc_ct.h |  1 +
 tc/m_ct.c                         | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/tc_act/tc_ct.h b/include/uapi/linux/tc_act/tc_ct.h
index 37b95cda1dedd283b0244a03a20860ba22966dfa..009e53ee83fb3125bc5c4ca86954af3bf6a0287a 100644
--- a/include/uapi/linux/tc_act/tc_ct.h
+++ b/include/uapi/linux/tc_act/tc_ct.h
@@ -25,6 +25,7 @@ enum {
 
 enum {
 	TC_CT_COMMIT,
+	TC_CT_FORCE,
 	__TC_CT_MAX
 };
 #define TC_CT_MAX (__TC_CT_MAX - 1)
diff --git a/tc/m_ct.c b/tc/m_ct.c
index 0e9b20edab8c870f93657d43bb5e72c13e9b6bd4..c3c1a66848ae52c4522ac7e07822febf2b52e5f1 100644
--- a/tc/m_ct.c
+++ b/tc/m_ct.c
@@ -27,7 +27,7 @@ static void
 explain(void)
 {
 	fprintf(stderr,
-		"Usage: ct [mark <mark>] [zone <zone>] [label <label>] [chain <chain>] [commit]\n"
+		"Usage: ct [mark <mark>] [zone <zone>] [label <label>] [chain <chain>] [commit [force]]\n"
 		"where:\n");
 }
 
@@ -232,6 +232,13 @@ out:
 		flags |= BIT(TC_CT_COMMIT);
 		goto again;
 	}
+	if (!matches(*argv, "force")) {
+		if (!(flags & BIT(TC_CT_COMMIT)))
+			goto help;
+		NEXT_ARG_FWD();
+		flags |= BIT(TC_CT_FORCE);
+		goto again;
+	}
 /*	if (!matches(*argv, "state")) {
 		NEXT_ARG();
 		ct_parse_u8(*argv,
@@ -253,6 +260,7 @@ out:
 	if (!matches(*argv, "action"))
 		goto out;
 	if (!matches(*argv, "help")) {
+help:
 		usage();
 	} else {
 		fprintf(stderr, "ct option not supported %s\n", *argv);
-- 
2.20.1