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[78.154.15.142]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43cf245f87esm3137076f8f.22.2026.03.27.23.47.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 Mar 2026 23:47:41 -0700 (PDT) Message-ID: Date: Sat, 28 Mar 2026 08:47:40 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v10 04/14] net, ethtool: Disallow leased real rxqs to be resized To: Daniel Borkmann , netdev@vger.kernel.org Cc: bpf@vger.kernel.org, kuba@kernel.org, davem@davemloft.net, pabeni@redhat.com, willemb@google.com, sdf@fomichev.me, john.fastabend@gmail.com, martin.lau@kernel.org, jordan@jrife.io, maciej.fijalkowski@intel.com, magnus.karlsson@intel.com, dw@davidwei.uk, toke@redhat.com, yangzhenze@bytedance.com, wangdongdong.6@bytedance.com References: <20260327121049.334562-1-daniel@iogearbox.net> <20260327121049.334562-5-daniel@iogearbox.net> Content-Language: en-US From: Nikolay Aleksandrov In-Reply-To: <20260327121049.334562-5-daniel@iogearbox.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 27/03/2026 14:10, Daniel Borkmann wrote: > Similar to AF_XDP, do not allow queues in a physical netdev to be > resized by ethtool -L when they are leased. Cover channel resize > paths (both netlink and ioctl) to reject resizing when the queues > would be affected. > > Signed-off-by: Daniel Borkmann > Co-developed-by: David Wei > Signed-off-by: David Wei > --- > net/ethtool/channels.c | 17 ++++++++++++----- > net/ethtool/ioctl.c | 16 +++++++++++----- > 2 files changed, 23 insertions(+), 10 deletions(-) > Reviewed-by: Nikolay Aleksandrov