[Intel-wired-lan] [PATCH bpf-next 03/11] net: xdp: added bpf_netdev_command XDP_{QUERY, SETUP}_XSK_UMEM
Björn Töpel
bjorn.topel at gmail.com
Mon Jun 4 12:05:53 UTC 2018
From: Björn Töpel <bjorn.topel at intel.com>
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 at intel.com>
---
include/linux/netdevice.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7f17785a59d7..85d91cc41cdf 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -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;
};
};
--
2.14.1
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