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libbpf: Use bpf_map_create() consistently internally

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Remove all the remaining uses of to-be-deprecated bpf_create_map*() APIs.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211124193233.3115996-3-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko
2021-11-24 11:32:31 -08:00
committed by Andrii Nakryiko
parent 6cfb97c561
commit 316b60fa89
4 changed files with 25 additions and 51 deletions
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30
src/libbpf_probes.c
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@@ -201,7 +201,6 @@ bool bpf_probe_map_type(enum bpf_map_type map_type, __u32 ifindex)
{
int key_size, value_size, max_entries, map_flags;
__u32 btf_key_type_id = 0, btf_value_type_id = 0;
struct bpf_create_map_attr attr = {};
int fd = -1, btf_fd = -1, fd_inner;
key_size = sizeof(__u32);
@@ -271,34 +270,35 @@ bool bpf_probe_map_type(enum bpf_map_type map_type, __u32 ifindex)
if (map_type == BPF_MAP_TYPE_ARRAY_OF_MAPS ||
map_type == BPF_MAP_TYPE_HASH_OF_MAPS) {
LIBBPF_OPTS(bpf_map_create_opts, opts);
/* TODO: probe for device, once libbpf has a function to create
* map-in-map for offload
*/
if (ifindex)
return false;
fd_inner = bpf_create_map(BPF_MAP_TYPE_HASH,
sizeof(__u32), sizeof(__u32), 1, 0);
fd_inner = bpf_map_create(BPF_MAP_TYPE_HASH, NULL,
sizeof(__u32), sizeof(__u32), 1, NULL);
if (fd_inner < 0)
return false;
fd = bpf_create_map_in_map(map_type, NULL, sizeof(__u32),
fd_inner, 1, 0);
opts.inner_map_fd = fd_inner;
fd = bpf_map_create(map_type, NULL, sizeof(__u32), sizeof(__u32), 1, &opts);
close(fd_inner);
} else {
LIBBPF_OPTS(bpf_map_create_opts, opts);
/* Note: No other restriction on map type probes for offload */
attr.map_type = map_type;
attr.key_size = key_size;
attr.value_size = value_size;
attr.max_entries = max_entries;
attr.map_flags = map_flags;
attr.map_ifindex = ifindex;
opts.map_flags = map_flags;
opts.map_ifindex = ifindex;
if (btf_fd >= 0) {
attr.btf_fd = btf_fd;
attr.btf_key_type_id = btf_key_type_id;
attr.btf_value_type_id = btf_value_type_id;
opts.btf_fd = btf_fd;
opts.btf_key_type_id = btf_key_type_id;
opts.btf_value_type_id = btf_value_type_id;
}
fd = bpf_create_map_xattr(&attr);
fd = bpf_map_create(map_type, NULL, key_size, value_size, max_entries, &opts);
}
if (fd >= 0)
close(fd);