[Bridge] [PATCH iproute2-next 2/2] bridge: fdb: enable FDB blackhole feature

Stephen Hemminger stephen at networkplumber.org
Thu Sep 29 08:43:12 PDT 2022


On Thu, 29 Sep 2022 17:21:37 +0200
Hans Schultz <netdev at 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.



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