From: Andrew Melnychenko <andrew@daynix.com>
To: 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
Cc: yan@daynix.com, yuri.benditovich@daynix.com
Subject: [PATCH v5 2/6] uapi/linux/if_tun.h: Added new offload types for USO4/6.
Date: Wed, 7 Dec 2022 13:35:54 +0200 [thread overview]
Message-ID: <20221207113558.19003-3-andrew@daynix.com> (raw)
In-Reply-To: <20221207113558.19003-1-andrew@daynix.com>
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 <andrew@daynix.com>
---
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 b6d7b868f290..287cdc81c939 100644
--- a/include/uapi/linux/if_tun.h
+++ b/include/uapi/linux/if_tun.h
@@ -90,6 +90,8 @@
#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
--
2.38.1
next prev parent reply other threads:[~2022-12-07 11:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-07 11:35 [PATCH v5 0/6] TUN/VirtioNet USO features support Andrew Melnychenko
2022-12-07 11:35 ` [PATCH v5 1/6] udp: allow header check for dodgy GSO_UDP_L4 packets Andrew Melnychenko
2022-12-07 11:35 ` Andrew Melnychenko [this message]
2022-12-07 11:35 ` [PATCH v5 3/6] driver/net/tun: Added features for USO Andrew Melnychenko
2022-12-07 11:35 ` [PATCH v5 4/6] uapi/linux/virtio_net.h: Added USO types Andrew Melnychenko
2022-12-07 11:35 ` [PATCH v5 5/6] linux/virtio_net.h: Support USO offload in vnet header Andrew Melnychenko
2022-12-07 11:35 ` [PATCH v5 6/6] drivers/net/virtio_net.c: Added USO support Andrew Melnychenko
2022-12-12 9:40 ` [PATCH v5 0/6] TUN/VirtioNet USO features support patchwork-bot+netdevbpf
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