[PATCH 3/4] tun: define feature bit for USO support
From: Yuri Benditovich <hidden>
Date: 2021-05-11 04:43:39
Also in:
lkml, virtualization
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
User mode software can probe this bit to check whether the USO feature is supported by TUN/TAP device. Signed-off-by: Yuri Benditovich <redacted> --- include/uapi/linux/if_tun.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h
index 454ae31b93c7..24f246920dd5 100644
--- a/include/uapi/linux/if_tun.h
+++ b/include/uapi/linux/if_tun.h@@ -88,6 +88,7 @@ #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_USO 0x20 /* I can handle USO packets */ /* Protocol info prepended to the packets (when IFF_NO_PI is not set) */ #define TUN_PKT_STRIP 0x0001
--
2.26.3