diff options
| -rw-r--r-- | include/linux/netdevice.h | 7 | ||||
| -rw-r--r-- | include/uapi/linux/if_link.h | 1 | ||||
| -rw-r--r-- | net/core/dev.c | 3 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 6 |
4 files changed, 9 insertions, 8 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index a838591aad28..68f5d899d1e6 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -809,7 +809,8 @@ enum xdp_netdev_command { XDP_SETUP_PROG, XDP_SETUP_PROG_HW, /* Check if a bpf program is set on the device. The callee should - * return true if a program is currently attached and running. + * set @prog_attached to one of XDP_ATTACHED_* values, note that "true" + * is equivalent to XDP_ATTACHED_DRV. */ XDP_QUERY_PROG, }; @@ -827,7 +828,7 @@ struct netdev_xdp { }; /* XDP_QUERY_PROG */ struct { - bool prog_attached; + u8 prog_attached; u32 prog_id; }; }; @@ -3307,7 +3308,7 @@ struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, typedef int (*xdp_op_t)(struct net_device *dev, struct netdev_xdp *xdp); int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack, int fd, u32 flags); -bool __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op, u32 *prog_id); +u8 __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op, u32 *prog_id); int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb); int dev_forward_skb(struct net_device *dev, struct sk_buff *skb); diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index ce777ec88e1e..8d062c58d5cb 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -903,6 +903,7 @@ enum { XDP_ATTACHED_NONE = 0, XDP_ATTACHED_DRV, XDP_ATTACHED_SKB, + XDP_ATTACHED_HW, }; enum { diff --git a/net/core/dev.c b/net/core/dev.c index cd885e9e3363..a91572aa73d5 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6934,8 +6934,7 @@ int dev_change_proto_down(struct net_device *dev, bool proto_down) } EXPORT_SYMBOL(dev_change_proto_down); -bool __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op, - u32 *prog_id) +u8 __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op, u32 *prog_id) { struct netdev_xdp xdp; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index a5bedd03a63e..9a1bd510c812 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1265,10 +1265,10 @@ static u8 rtnl_xdp_attached_mode(struct net_device *dev, u32 *prog_id) *prog_id = generic_xdp_prog->aux->id; return XDP_ATTACHED_SKB; } - if (ops->ndo_xdp && __dev_xdp_attached(dev, ops->ndo_xdp, prog_id)) - return XDP_ATTACHED_DRV; + if (!ops->ndo_xdp) + return XDP_ATTACHED_NONE; - return XDP_ATTACHED_NONE; + return __dev_xdp_attached(dev, ops->ndo_xdp, prog_id); } static int rtnl_xdp_fill(struct sk_buff *skb, struct net_device *dev) |