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([2600:4040:93b4:e600:a22c:878f:7c1a:1976]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8f1a69c283fsm22449346d6.26.2026.06.30.04.38.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jun 2026 04:38:01 -0700 (PDT) Message-ID: Date: Tue, 30 Jun 2026 07:38:00 -0400 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net] selftests: drv-net: tso: don't touch dangerous feature bits To: Jakub Kicinski , davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, shuah@kernel.org, linux-kselftest@vger.kernel.org References: <20260629233923.2151144-1-kuba@kernel.org> Content-Language: en-US From: Daniel Zahka In-Reply-To: <20260629233923.2151144-1-kuba@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 6/29/26 7:39 PM, Jakub Kicinski wrote: > query_nic_features() detects which offloads depend on tx-gso-partial > by enabling everything, turning tx-gso-partial off, and seeing which > active features drop out. Enabling all hw features is dangerous: > we may end up enabling rx-fcs and loopback for example. For the > ice driver we end up getting into problems with feature dependencies > so the cleanup isn't successful either, and the test exits with > rx-fcs and loopback enabled. > > Scope the feature probing just to segmentation bits. > > Fixes: 266b835e5e84 ("selftests: drv-net: tso: enable test cases based on hw_features") > Signed-off-by: Jakub Kicinski Reviewed-by: Daniel Zahka