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Message-Id: <20170506160734.47084-4-dsahern@gmail.com> Date: Sat, 6 May 2017 10:07:31 -0600 From: David Ahern <dsahern@...il.com> To: netdev@...r.kernel.org Cc: roopa@...ulusnetworks.com, f.fainelli@...il.com, nicolas.dichtel@...nd.com, David Ahern <dsahern@...il.com> Subject: [PATCH RFC net-next 3/6] net: Introduce IFF_LWT_NETDEV flag Add new flag to denote lightweight netdevices. Add helper to identify such devices. Signed-off-by: David Ahern <dsahern@...il.com> --- include/linux/netdevice.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index f47c8712398a..08151fd34973 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1401,6 +1401,7 @@ enum netdev_priv_flags { IFF_RXFH_CONFIGURED = 1<<25, IFF_PHONY_HEADROOM = 1<<26, IFF_MACSEC = 1<<27, + IFF_LWT_NETDEV = 1<<28, }; #define IFF_802_1Q_VLAN IFF_802_1Q_VLAN @@ -1430,6 +1431,7 @@ enum netdev_priv_flags { #define IFF_TEAM IFF_TEAM #define IFF_RXFH_CONFIGURED IFF_RXFH_CONFIGURED #define IFF_MACSEC IFF_MACSEC +#define IFF_LWT_NETDEV IFF_LWT_NETDEV /** * struct net_device - The DEVICE structure. @@ -4137,6 +4139,11 @@ static inline void skb_gso_error_unwind(struct sk_buff *skb, __be16 protocol, skb->mac_len = mac_len; } +static inline bool netif_is_lwd(struct net_device *dev) +{ + return !!(dev->priv_flags & IFF_LWT_NETDEV); +} + static inline bool netif_is_macsec(const struct net_device *dev) { return dev->priv_flags & IFF_MACSEC; -- 2.11.0 (Apple Git-81)
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