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Date:   Thu, 29 Sep 2022 08:43:12 -0700
From:   Stephen Hemminger <stephen@networkplumber.org>
To:     Hans Schultz <netdev@kapio-technology.com>
Cc:     davem@davemloft.net, kuba@kernel.org, Andrew Lunn <andrew@lunn.ch>,
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        Christian Marangi <ansuelsmth@gmail.com>,
        Hauke Mehrtens <hauke@hauke-m.de>,
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        Vladimir Oltean <olteanv@gmail.com>,
        Florent Fourcot <florent.fourcot@wifirst.fr>
Subject: Re: [Bridge] [PATCH iproute2-next 2/2] bridge: fdb: enable FDB
 blackhole feature
Message-ID: <20220929084312.2a216698@hermes.local>
In-Reply-To: <20220929152137.167626-2-netdev@kapio-technology.com>
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        <20220929152137.167626-2-netdev@kapio-technology.com>
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On Thu, 29 Sep 2022 17:21:37 +0200
Hans Schultz <netdev@kapio-technology.com> wrote:

>  
> @@ -493,6 +496,8 @@ static int fdb_modify(int cmd, int flags, int argc, char **argv)
>  			req.ndm.ndm_flags |= NTF_EXT_LEARNED;
>  		} else if (matches(*argv, "sticky") == 0) {
>  			req.ndm.ndm_flags |= NTF_STICKY;
> +		} else if (matches(*argv, "blackhole") == 0) {
> +			ext_flags |= NTF_EXT_BLACKHOLE;
>  		} else {
>  			if (strcmp(*argv, "to") == 0)
>  				NEXT_ARG();

The parsing of flags is weird here, most of the flags are compared with strcmp()
but some use matches()..  I should have used strcmp() all the time; but at the
time did not realize what kind of confusion matches() can cause.