From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= <bjorn.topel@intel.com>
Date: Mon, 4 Jun 2018 14:05:53 +0200
Subject: net: xdp: added bpf_netdev_command XDP_{QUERY, SETUP}_XSK_UMEM
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Patch-mainline: v4.18-rc1
Git-commit: 74515c5750f30244a901c3c0c82a2fe534b3c9c5
References: bsc#1109837
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
include/linux/netdevice.h | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -808,10 +808,13 @@ 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;
@@ -842,6 +845,11 @@ struct netdev_bpf {
struct {
struct bpf_offloaded_map *offmap;
};
+ /* XDP_SETUP_XSK_UMEM */
+ struct {
+ struct xdp_umem *umem;
+ u16 queue_id;
+ } xsk;
};
};