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boundary="------------dOWzGw0FK0BvC99UUv0Al4I3"; protected-headers="v1" Message-ID: Date: Thu, 23 Oct 2025 17:56:58 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v4 0/6] Add AF_XDP zero copy support To: Meghana Malladi , horms@kernel.org, namcao@linutronix.de, vadim.fedorenko@linux.dev, christian.koenig@amd.com, sumit.semwal@linaro.org, sdf@fomichev.me, john.fastabend@gmail.com, hawk@kernel.org, daniel@iogearbox.net, ast@kernel.org, pabeni@redhat.com, kuba@kernel.org, edumazet@google.com, davem@davemloft.net, andrew+netdev@lunn.ch Cc: linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, srk@ti.com, Vignesh Raghavendra , Roger Quadros , danishanwar@ti.com References: <20251023093927.1878411-1-m-malladi@ti.com> Content-Language: en-US From: Jacob Keller Autocrypt: addr=jacob.e.keller@intel.com; keydata= xjMEaFx9ShYJKwYBBAHaRw8BAQdAE+TQsi9s60VNWijGeBIKU6hsXLwMt/JY9ni1wnsVd7nN J0phY29iIEtlbGxlciA8amFjb2IuZS5rZWxsZXJAaW50ZWwuY29tPsKTBBMWCgA7FiEEIEBU qdczkFYq7EMeapZdPm8PKOgFAmhcfUoCGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AA CgkQapZdPm8PKOiZAAEA4UV0uM2PhFAw+tlK81gP+fgRqBVYlhmMyroXadv0lH4BAIf4jLxI UPEL4+zzp4ekaw8IyFz+mRMUBaS2l+cpoBUBzjgEaFx9ShIKKwYBBAGXVQEFAQEHQF386lYe MPZBiQHGXwjbBWS5OMBems5rgajcBMKc4W4aAwEIB8J4BBgWCgAgFiEEIEBUqdczkFYq7EMe apZdPm8PKOgFAmhcfUoCGwwACgkQapZdPm8PKOjbUQD+MsPBANqBUiNt+7w0dC73R6UcQzbg cFx4Yvms6cJjeD4BAKf193xbq7W3T7r9BdfTw6HRFYDiHXgkyoc/2Q4/T+8H In-Reply-To: <20251023093927.1878411-1-m-malladi@ti.com> --------------dOWzGw0FK0BvC99UUv0Al4I3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 10/23/2025 2:39 AM, Meghana Malladi wrote: > This series adds AF_XDP zero coppy support to icssg driver. >=20 > Tests were performed on AM64x-EVM with xdpsock application [1]. >=20 > A clear improvement is seen Transmit (txonly) and receive (rxdrop) > for 64 byte packets. 1500 byte test seems to be limited by line > rate (1G link) so no improvement seen there in packet rate >=20 > Having some issue with l2fwd as the benchmarking numbers show 0 > for 64 byte packets after forwading first batch packets and I am > currently looking into it. >=20 Do you think this means there is an issue with the patches or your test setup? I didn't see anything stand out as a problem to me when reading the serie= s: Reviewed-by: Jacob Keller --------------dOWzGw0FK0BvC99UUv0Al4I3-- --------------UbVYYvkAH96igME0OzfUYtsy Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- wnsEABYIACMWIQQgQFSp1zOQVirsQx5qll0+bw8o6AUCaPrO2wUDAAAAAAAKCRBqll0+bw8o6Drr AP9buHM8MtKLnXl8D2XpED5hSSLHqaqL+NKDNMXWI2IvmQEAwYtuFmhW7Wa7mB9dOKRy9pBkoBuF kltE6Qpmw7i+zgI= =ZBus -----END PGP SIGNATURE----- --------------UbVYYvkAH96igME0OzfUYtsy--