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authorMartin KaFai Lau <kafai@fb.com>2017-10-05 21:52:12 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-07 23:29:39 +0100
commit067cae47771c864604969fd902efe10916e0d79c (patch)
tree8c21ddd861fddf1e6006d7b0b7086e8f09ac3da3 /tools
parent473d97343f94ff20f5196078314e4dd83156d3a2 (diff)
bpf: Use char in prog and map name
Instead of u8, use char for prog and map name. It can avoid the userspace tool getting compiler's signess warning. The bpf_prog_aux, bpf_map, bpf_attr, bpf_prog_info and bpf_map_info are changed. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Cc: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
-rw-r--r--tools/include/uapi/linux/bpf.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 0894fd20b12b..fb4fb81ce5b0 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -230,7 +230,7 @@ union bpf_attr {
__u32 numa_node; /* numa node (effective only if
* BPF_F_NUMA_NODE is set).
*/
- __u8 map_name[BPF_OBJ_NAME_LEN];
+ char map_name[BPF_OBJ_NAME_LEN];
};
struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */
@@ -253,7 +253,7 @@ union bpf_attr {
__aligned_u64 log_buf; /* user supplied buffer */
__u32 kern_version; /* checked when prog_type=kprobe */
__u32 prog_flags;
- __u8 prog_name[BPF_OBJ_NAME_LEN];
+ char prog_name[BPF_OBJ_NAME_LEN];
};
struct { /* anonymous struct used by BPF_OBJ_* commands */
@@ -871,7 +871,7 @@ struct bpf_prog_info {
__u32 created_by_uid;
__u32 nr_map_ids;
__aligned_u64 map_ids;
- __u8 name[BPF_OBJ_NAME_LEN];
+ char name[BPF_OBJ_NAME_LEN];
} __attribute__((aligned(8)));
struct bpf_map_info {
@@ -881,7 +881,7 @@ struct bpf_map_info {
__u32 value_size;
__u32 max_entries;
__u32 map_flags;
- __u8 name[BPF_OBJ_NAME_LEN];
+ char name[BPF_OBJ_NAME_LEN];
} __attribute__((aligned(8)));
/* User bpf_sock_ops struct to access socket values and specify request ops