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[188.190.49.235]) by smtp.gmail.com with ESMTPSA id r29-20020ac25a5d000000b0047255d211a6sm741758lfn.213.2022.05.12.04.33.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 May 2022 04:33:19 -0700 (PDT) From: Andrew Melnychenko To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mst@redhat.com, jasowang@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: [RFC PATCH v2 1/5] uapi/linux/if_tun.h: Added new offload types for USO4/6. Date: Thu, 12 May 2022 14:23:43 +0300 Message-Id: <20220512112347.18717-2-andrew@daynix.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220512112347.18717-1-andrew@daynix.com> References: <20220512112347.18717-1-andrew@daynix.com> MIME-Version: 1.0 Cc: yan@daynix.com, yuri.benditovich@daynix.com X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Added 2 additional offlloads for USO(IPv4 & IPv6). Separate offloads are required for Windows VM guests, g.e. Windows may set USO rx only for IPv4. Signed-off-by: Andrew Melnychenko --- include/uapi/linux/if_tun.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h index 454ae31b93c7..e147dcb46d5c 100644 --- a/include/uapi/linux/if_tun.h +++ b/include/uapi/linux/if_tun.h @@ -88,6 +88,8 @@ #define TUN_F_TSO6 0x04 /* I can handle TSO for IPv6 packets */ #define TUN_F_TSO_ECN 0x08 /* I can handle TSO with ECN bits. */ #define TUN_F_UFO 0x10 /* I can handle UFO packets */ +#define TUN_F_USO4 0x20 /* I can handle USO for IPv4 packets */ +#define TUN_F_USO6 0x40 /* I can handle USO for IPv6 packets */ /* Protocol info prepended to the packets (when IFF_NO_PI is not set) */ #define TUN_PKT_STRIP 0x0001 -- 2.35.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization