Commit 74515c57 authored by Björn Töpel's avatar Björn Töpel Committed by Daniel Borkmann
Browse files

net: xdp: added bpf_netdev_command XDP_{QUERY, SETUP}_XSK_UMEM 



Extend ndo_bpf with two new commands used for query zero-copy support
and register an UMEM to a queue_id of a netdev.

Signed-off-by: default avatarBjörn Töpel <bjorn.topel@intel.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 8aef7340

include/linux/netdevice.h

+8 −0
Original line number Diff line number Diff line
@@ -817,10 +817,13 @@ enum bpf_netdev_command { 
	BPF_OFFLOAD_DESTROY,

	BPF_OFFLOAD_MAP_ALLOC,

	BPF_OFFLOAD_MAP_FREE,

	XDP_QUERY_XSK_UMEM,

	XDP_SETUP_XSK_UMEM,

};



struct bpf_prog_offload_ops;

struct netlink_ext_ack;

struct xdp_umem;



struct netdev_bpf {

	enum bpf_netdev_command command;
@@ -851,6 +854,11 @@ struct netdev_bpf { 
		struct {

			struct bpf_offloaded_map *offmap;

		};

		/* XDP_SETUP_XSK_UMEM */

		struct {

			struct xdp_umem *umem;

			u16 queue_id;

		} xsk;

	};

};