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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13b2aba794csm11793919c88.10.2026.06.30.18.56.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jun 2026 18:56:02 -0700 (PDT) Date: Tue, 30 Jun 2026 18:56:00 -0700 From: Stephen Hemminger To: Kuniyuki Iwashima Cc: Yafang Shao , netdev@vger.kernel.org Subject: Re: [PATCH iproute2-next] ss: stop displaying dccp sockets Message-ID: <20260630185600.43d55c7c@phoenix.local> In-Reply-To: References: <20260630114121.26430-1-laoar.shao@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 30 Jun 2026 16:13:10 -0700 Kuniyuki Iwashima wrote: > > case 'd': > > - filter_db_set(¤t_filter, DCCP_DB, true); > > + /* DCCP retired in kernel 6.16, kept for compatibility */ > > I think it more user-friendly to remove the case and show usage(), > instead of just ignoring the option. It should just be killed completely, parse 'd' as error.