aboutsummaryrefslogtreecommitdiffstats
path: root/include/uapi/linux/bpf.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/bpf.h')
-rw-r--r--include/uapi/linux/bpf.h52
1 files changed, 48 insertions, 4 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 94dfa9def355..9b2c10b45733 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -82,6 +82,11 @@ enum bpf_cmd {
BPF_PROG_ATTACH,
BPF_PROG_DETACH,
BPF_PROG_TEST_RUN,
+ BPF_PROG_GET_NEXT_ID,
+ BPF_MAP_GET_NEXT_ID,
+ BPF_PROG_GET_FD_BY_ID,
+ BPF_MAP_GET_FD_BY_ID,
+ BPF_OBJ_GET_INFO_BY_FD,
};
enum bpf_map_type {
@@ -209,6 +214,21 @@ union bpf_attr {
__u32 repeat;
__u32 duration;
} test;
+
+ struct { /* anonymous struct used by BPF_*_GET_*_ID */
+ union {
+ __u32 start_id;
+ __u32 prog_id;
+ __u32 map_id;
+ };
+ __u32 next_id;
+ };
+
+ struct { /* anonymous struct used by BPF_OBJ_GET_INFO_BY_FD */
+ __u32 bpf_fd;
+ __u32 info_len;
+ __aligned_u64 info;
+ } info;
} __attribute__((aligned(8)));
/* BPF helper function descriptions:
@@ -313,8 +333,11 @@ union bpf_attr {
* @flags: room for future extensions
* Return: 0 on success or negative error
*
- * u64 bpf_perf_event_read(&map, index)
- * Return: Number events read or error code
+ * u64 bpf_perf_event_read(map, flags)
+ * read perf event counter value
+ * @map: pointer to perf_event_array map
+ * @flags: index of event in the map or bitmask flags
+ * Return: value of perf event counter read or error code
*
* int bpf_redirect(ifindex, flags)
* redirect to another netdev
@@ -328,11 +351,11 @@ union bpf_attr {
* @skb: pointer to skb
* Return: realm if != 0
*
- * int bpf_perf_event_output(ctx, map, index, data, size)
+ * int bpf_perf_event_output(ctx, map, flags, data, size)
* output perf raw sample
* @ctx: struct pt_regs*
* @map: pointer to perf_event_array map
- * @index: index of event in the map
+ * @flags: index of event in the map or bitmask flags
* @data: data on stack to be output as raw data
* @size: size of data
* Return: 0 on success or negative error
@@ -670,4 +693,25 @@ struct xdp_md {
__u32 data_end;
};
+#define BPF_TAG_SIZE 8
+
+struct bpf_prog_info {
+ __u32 type;
+ __u32 id;
+ __u8 tag[BPF_TAG_SIZE];
+ __u32 jited_prog_len;
+ __u32 xlated_prog_len;
+ __aligned_u64 jited_prog_insns;
+ __aligned_u64 xlated_prog_insns;
+} __attribute__((aligned(8)));
+
+struct bpf_map_info {
+ __u32 type;
+ __u32 id;
+ __u32 key_size;
+ __u32 value_size;
+ __u32 max_entries;
+ __u32 map_flags;
+} __attribute__((aligned(8)));
+
#endif /* _UAPI__LINUX_BPF_H__ */