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bpf, xdp: Remove XDP_QUERY_PROG and XDP_QUERY_PROG_HW XDP commands

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Now that BPF program/link management is centralized in generic net_device
code, kernel code never queries program id from drivers, so
XDP_QUERY_PROG/XDP_QUERY_PROG_HW commands are unnecessary.

This patch removes all the implementations of those commands in kernel, along
the xdp_attachment_query().

This patch was compile-tested on allyesconfig.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200722064603.3350758-10-andriin@fb.com
This commit is contained in:
Andrii Nakryiko
2020-07-21 23:46:02 -07:00
committed by Alexei Starovoitov
parent fe48230cf2
commit e8407fdeb9
28 changed files with 2 additions and 218 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
include/linux/netdevice.h
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@@ -876,8 +876,6 @@ enum bpf_netdev_command {
*/
XDP_SETUP_PROG,
XDP_SETUP_PROG_HW,
XDP_QUERY_PROG,
XDP_QUERY_PROG_HW,
/* BPF program for offload callbacks, invoked at program load time. */
BPF_OFFLOAD_MAP_ALLOC,
BPF_OFFLOAD_MAP_FREE,
@@ -911,12 +909,6 @@ struct netdev_bpf {
struct bpf_prog *prog;
struct netlink_ext_ack *extack;
};
/* XDP_QUERY_PROG, XDP_QUERY_PROG_HW */
struct {
u32 prog_id;
/* flags with which program was installed */
u32 prog_flags;
};
/* BPF_OFFLOAD_MAP_ALLOC, BPF_OFFLOAD_MAP_FREE */
struct {
struct bpf_offloaded_map *offmap;