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-rw-r--r--include/linux/netdevice.h12
-rw-r--r--include/net/xdp.h13
-rw-r--r--include/uapi/linux/if_link.h4
3 files changed, 21 insertions, 8 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b683971e500d..2422c0e88f5c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -819,11 +819,8 @@ enum bpf_netdev_command {
*/
XDP_SETUP_PROG,
XDP_SETUP_PROG_HW,
- /* Check if a bpf program is set on the device. The callee should
- * set @prog_attached to one of XDP_ATTACHED_* values, note that "true"
- * is equivalent to XDP_ATTACHED_DRV.
- */
XDP_QUERY_PROG,
+ XDP_QUERY_PROG_HW,
/* BPF program for offload callbacks, invoked at program load time. */
BPF_OFFLOAD_VERIFIER_PREP,
BPF_OFFLOAD_TRANSLATE,
@@ -847,9 +844,8 @@ struct netdev_bpf {
struct bpf_prog *prog;
struct netlink_ext_ack *extack;
};
- /* XDP_QUERY_PROG */
+ /* XDP_QUERY_PROG, XDP_QUERY_PROG_HW */
struct {
- u8 prog_attached;
u32 prog_id;
/* flags with which program was installed */
u32 prog_flags;
@@ -3538,8 +3534,8 @@ struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
typedef int (*bpf_op_t)(struct net_device *dev, struct netdev_bpf *bpf);
int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
int fd, u32 flags);
-void __dev_xdp_query(struct net_device *dev, bpf_op_t xdp_op,
- struct netdev_bpf *xdp);
+u32 __dev_xdp_query(struct net_device *dev, bpf_op_t xdp_op,
+ enum bpf_netdev_command cmd);
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/net/xdp.h b/include/net/xdp.h
index 2deea7166a34..fcb033f51d8c 100644
--- a/include/net/xdp.h
+++ b/include/net/xdp.h
@@ -144,4 +144,17 @@ xdp_data_meta_unsupported(const struct xdp_buff *xdp)
return unlikely(xdp->data_meta > xdp->data);
}
+struct xdp_attachment_info {
+ struct bpf_prog *prog;
+ u32 flags;
+};
+
+struct netdev_bpf;
+int xdp_attachment_query(struct xdp_attachment_info *info,
+ struct netdev_bpf *bpf);
+bool xdp_attachment_flags_ok(struct xdp_attachment_info *info,
+ struct netdev_bpf *bpf);
+void xdp_attachment_setup(struct xdp_attachment_info *info,
+ struct netdev_bpf *bpf);
+
#endif /* __LINUX_NET_XDP_H__ */
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index cf01b6824244..8759cfb8aa2e 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -920,6 +920,7 @@ enum {
XDP_ATTACHED_DRV,
XDP_ATTACHED_SKB,
XDP_ATTACHED_HW,
+ XDP_ATTACHED_MULTI,
};
enum {
@@ -928,6 +929,9 @@ enum {
IFLA_XDP_ATTACHED,
IFLA_XDP_FLAGS,
IFLA_XDP_PROG_ID,
+ IFLA_XDP_DRV_PROG_ID,
+ IFLA_XDP_SKB_PROG_ID,
+ IFLA_XDP_HW_PROG_ID,
__IFLA_XDP_MAX,
};