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

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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: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Björn Töpel
2018-06-04 14:05:53 +02:00
committed by Daniel Borkmann
parent 8aef7340ae
commit 74515c5750
1 changed files with 8 additions and 0 deletions
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8
include/linux/netdevice.h
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@@ -817,10 +817,13 @@ enum bpf_netdev_command {
BPF_OFFLOAD_DESTROY, BPF_OFFLOAD_DESTROY,
BPF_OFFLOAD_MAP_ALLOC, BPF_OFFLOAD_MAP_ALLOC,
BPF_OFFLOAD_MAP_FREE, BPF_OFFLOAD_MAP_FREE,
XDP_QUERY_XSK_UMEM,
XDP_SETUP_XSK_UMEM,
}; };
struct bpf_prog_offload_ops; struct bpf_prog_offload_ops;
struct netlink_ext_ack; struct netlink_ext_ack;
struct xdp_umem;
struct netdev_bpf { struct netdev_bpf {
enum bpf_netdev_command command; enum bpf_netdev_command command;
@@ -851,6 +854,11 @@ struct netdev_bpf {
struct { struct {
struct bpf_offloaded_map *offmap; struct bpf_offloaded_map *offmap;
}; };
/* XDP_SETUP_XSK_UMEM */
struct {
struct xdp_umem *umem;
u16 queue_id;
} xsk;
}; };
}; };