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bpftool: print program device bound info

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If program is bound to a device, print the name of the relevant
interface or unknown if the netdev has since been removed.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2017-11-03 13:56:19 -07:00
committed by David S. Miller
parent bd601b6ada
commit 928631e054
2 changed files with 38 additions and 0 deletions
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7
tools/include/uapi/linux/bpf.h
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@@ -259,6 +259,7 @@ union bpf_attr {
__u32 kern_version; /* checked when prog_type=kprobe */
__u32 prog_flags;
char prog_name[BPF_OBJ_NAME_LEN];
__u32 prog_target_ifindex; /* ifindex of netdev to prep for */
};
struct { /* anonymous struct used by BPF_OBJ_* commands */
@@ -893,6 +894,10 @@ enum sk_action {
#define BPF_TAG_SIZE 8
enum bpf_prog_status {
BPF_PROG_STATUS_DEV_BOUND = (1 << 0),
};
struct bpf_prog_info {
__u32 type;
__u32 id;
@@ -906,6 +911,8 @@ struct bpf_prog_info {
__u32 nr_map_ids;
__aligned_u64 map_ids;
char name[BPF_OBJ_NAME_LEN];
__u32 ifindex;
__u32 status;
} __attribute__((aligned(8)));
struct bpf_map_info {