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([2620:10d:c091:500::4:2e2b]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-908435dfa6dsm9313106d6.33.2026.07.31.05.41.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Jul 2026 05:41:27 -0700 (PDT) Message-ID: <0d72c5b2-6d4c-40d4-8cbe-8cd95d61a230@gmail.com> Date: Fri, 31 Jul 2026 08:41:26 -0400 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next 09/13] net/mlx5e: psp: Add an rx_decap steering table To: Tariq Toukan , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , netdev@vger.kernel.org, Paolo Abeni , Sabrina Dubroca Cc: Aleksandr Loktionov , Alexei Lazar , Boris Pismenny , Carolina Jubran , Chris Mi , Cosmin Ratiu , Doruk Tan Ozturk , Dragos Tatulea , Gal Pressman , Jacob Keller , Jianbo Liu , Kees Cook , Lama Kayal , Leon Romanovsky , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-rdma@vger.kernel.org, Mark Bloch , Patrisious Haddad , Raed Salem , Rahul Rameshbabu , Saeed Mahameed , Shuah Khan , Shuah Khan , Simon Horman , Stanislav Fomichev , Stanislav Fomichev References: <20260730091756.2543777-1-tariqt@nvidia.com> <20260730091756.2543777-10-tariqt@nvidia.com> Content-Language: en-US From: Daniel Zahka In-Reply-To: <20260730091756.2543777-10-tariqt@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/30/26 5:17 AM, Tariq Toukan wrote: > +static > +void accel_psp_fs_rx_decap_ft_destroy(struct mlx5e_psp_fs *fs, > + struct mlx5e_psp_rx_decap_table *decap) > +{ > + int i; > + > + accel_psp_fs_del_flow_rule(&decap->unsupported_rule); > + for (i = 0; i < MLX5E_PSP_NUM_SUPPORTED_VERSIONS; i++) > + accel_psp_fs_del_flow_rule(&decap->rule[i]); > + if (decap->reformat) { > + mlx5_packet_reformat_dealloc(fs->mdev, decap->reformat); > + decap->reformat = NULL; > + } > + accel_psp_fs_dealloc_modify_hdr(fs->mdev, &decap->modify_hdr); > + accel_psp_fs_destroy_flow_group(&decap->drop_group); > + accel_psp_fs_destroy_ft(&decap->ft); > +} > + [...] > +static int accel_psp_fs_rx_reconfigure(struct mlx5e_psp_fs *fs, > + bool decap_wanted) > +{ > + bool decap_supported = > + MLX5_CAP_FLOWTABLE(fs->mdev, > + flow_table_properties_nic_receive.reformat_del_psp_transport); > + bool decap_enable = decap_wanted && decap_supported; > + struct mlx5_flow_destination dest = {}; > + int err; > + > + /* Create the decap table if needed. */ > + if (decap_enable && !fs->decap.ft) { > + err = accel_psp_fs_rx_decap_ft_create(fs, &fs->decap); > + if (err) { > + mlx5_core_warn(fs->mdev, > + "Failed to create PSP decapsulation rules (err %d), HW GRO for PSP unavailable", > + err); > + decap_enable = false; > + } > + } > + if (decap_enable == fs->decap_enabled) > + return 0; An llm is complaining that fs->decap_enabled is not set to false when the decap table is destroyed with accel_psp_fs_rx_decap_ft_destroy(), which would cause problems after doing a psp_dev_ops::set_config() down and up. I'm not sure if this is legit, but figured I would flag it as it seems plausible and would be easily reachable by a user.