From: Quentin Monnet Date: Sat, 20 Jan 2018 01:44:48 +0000 (-0800) Subject: net: sched: create tc_can_offload_extack() wrapper X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=f9eda14f039294298643d034bc5c06340fe16cc0;p=openwrt%2Fstaging%2Fblogic.git net: sched: create tc_can_offload_extack() wrapper Create a wrapper around tc_can_offload() that takes an additional extack pointer argument in order to output an error message if TC offload is disabled on the device. In this way, the error message is handled by the core and can be the same for all drivers. Signed-off-by: Quentin Monnet Reviewed-by: Jakub Kicinski Signed-off-by: David S. Miller --- diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index f497f622580b..2f8f16a4d88e 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -656,6 +656,17 @@ static inline bool tc_can_offload(const struct net_device *dev) return dev->features & NETIF_F_HW_TC; } +static inline bool tc_can_offload_extack(const struct net_device *dev, + struct netlink_ext_ack *extack) +{ + bool can = tc_can_offload(dev); + + if (!can) + NL_SET_ERR_MSG(extack, "TC offload is disabled on net device"); + + return can; +} + static inline bool tc_skip_hw(u32 flags) { return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false;