diff mbox series

[RFC,7/7] tun: report new tun feature IFF_HASH

Message ID 20210112194143.1494-8-yuri.benditovich@daynix.com
State New
Headers show
Series Support for virtio-net hash reporting | expand

Commit Message

Yuri Benditovich Jan. 12, 2021, 7:41 p.m. UTC 
IFF_HASH feature indicates that the tun supports
TUNSETHASHPOPULATION ioctl and can propagate the hash
data to the virtio-net packet.

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
---
 drivers/net/tun.c           | 2 +-
 include/uapi/linux/if_tun.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 214feb0b16fb..b46aa8941a9d 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -88,7 +88,7 @@  static void tun_default_link_ksettings(struct net_device *dev,
 #define TUN_VNET_LE     0x80000000
 #define TUN_VNET_BE     0x40000000
 
-#define TUN_FEATURES (IFF_NO_PI | IFF_ONE_QUEUE | IFF_VNET_HDR | \
+#define TUN_FEATURES (IFF_NO_PI | IFF_ONE_QUEUE | IFF_VNET_HDR | IFF_HASH |\
 		      IFF_MULTI_QUEUE | IFF_NAPI | IFF_NAPI_FRAGS)
 
 #define GOODCOPY_LEN 128
diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h
index 0fd43533da26..116b84ede3a0 100644
--- a/include/uapi/linux/if_tun.h
+++ b/include/uapi/linux/if_tun.h
@@ -73,6 +73,7 @@ 
 #define IFF_ONE_QUEUE	0x2000
 #define IFF_VNET_HDR	0x4000
 #define IFF_TUN_EXCL	0x8000
+#define IFF_HASH	0x0080
 #define IFF_MULTI_QUEUE 0x0100
 #define IFF_ATTACH_QUEUE 0x0200
 #define IFF_DETACH_QUEUE 0x0400