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Miller" , Jakub Kicinski , Hideaki YOSHIFUJI , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, rocco.yue@gmail.com, chao.song@mediatek.com, zhuoliang.zhang@mediatek.com References: <20210802031924.3256-1-rocco.yue@mediatek.com> <20210802124039.13231-1-rocco.yue@mediatek.com> From: David Ahern Message-ID: Date: Mon, 2 Aug 2021 07:35:39 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <20210802124039.13231-1-rocco.yue@mediatek.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210802_063545_382290_7C44611D X-CRM114-Status: GOOD ( 17.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/2/21 6:40 AM, Rocco Yue wrote: > On Sat, 2021-07-31 at 11:17 -0600, David Ahern wrote: > On 7/30/21 7:52 PM, Rocco Yue wrote: > >> IFLA_INET6_RA_MTU set. You can set "reject_message" in the policy to >> return a message that "IFLA_INET6_RA_MTU can not be set". > > Hi David, > > Regarding setting "reject_message" in the policy, after reviewing > the code, I fell that it is unnecessary, because the cost of > implementing it seems to be a bit high, which requires modifying > the function interface. The reasons is as follows: The policy can be setup now to do the right thing once the extack argument is available. do_setlink() has an extack argument. It calls validate_linkmsg which calls validate_link_af meaning support can be added in a single patch. If you decide to do it, then it should be a separate patch preceding this one. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel