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From: patchwork-bot+netdevbpf@kernel.org Message-Id: <167083801644.1612.10899833484454840061.git-patchwork-notify@kernel.org> Date: Mon, 12 Dec 2022 09:40:16 +0000 References: <20221207113558.19003-1-andrew@daynix.com> In-Reply-To: <20221207113558.19003-1-andrew@daynix.com> To: Andrew Melnychenko Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mst@redhat.com, jasowang@redhat.com, yoshfuji@linux-ipv6.org, dsahern@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, yan@daynix.com, yuri.benditovich@daynix.com X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This series was applied to netdev/net-next.git (master) by David S. Miller : On Wed, 7 Dec 2022 13:35:52 +0200 you wrote: > Added new offloads for TUN devices TUN_F_USO4 and TUN_F_USO6. > Technically they enable NETIF_F_GSO_UDP_L4 > (and only if USO4 & USO6 are set simultaneously). > It allows the transmission of large UDP packets. > > UDP Segmentation Offload (USO/GSO_UDP_L4) - ability to split UDP packets > into several segments. It's similar to UFO, except it doesn't use IP > fragmentation. The drivers may push big packets and the NIC will split > them(or assemble them in case of receive), but in the case of VirtioNet > we just pass big UDP to the host. So we are freeing the driver from doing > the unnecessary job of splitting. The same thing for several guests > on one host, we can pass big packets between guests. > > [...] Here is the summary with links: - [v5,1/6] udp: allow header check for dodgy GSO_UDP_L4 packets. https://git.kernel.org/netdev/net-next/c/1fd54773c267 - [v5,2/6] uapi/linux/if_tun.h: Added new offload types for USO4/6. https://git.kernel.org/netdev/net-next/c/b22bbdd17a5a - [v5,3/6] driver/net/tun: Added features for USO. https://git.kernel.org/netdev/net-next/c/399e0827642f - [v5,4/6] uapi/linux/virtio_net.h: Added USO types. https://git.kernel.org/netdev/net-next/c/34061b348ae9 - [v5,5/6] linux/virtio_net.h: Support USO offload in vnet header. https://git.kernel.org/netdev/net-next/c/860b7f27b8f7 - [v5,6/6] drivers/net/virtio_net.c: Added USO support. https://git.kernel.org/netdev/net-next/c/418044e1de30 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html