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Diffstat (limited to 'kernel/bpf/syscall.c')
-rw-r--r--kernel/bpf/syscall.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index bf384b3346d6..99417b387547 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -181,7 +181,7 @@ static int bpf_map_update_value(struct bpf_map *map, struct file *map_file,
int err;
/* Need to create a kthread, thus must support schedule */
- if (bpf_map_is_dev_bound(map)) {
+ if (bpf_map_is_offloaded(map)) {
return bpf_map_offload_update_elem(map, key, value, flags);
} else if (map->map_type == BPF_MAP_TYPE_CPUMAP ||
map->map_type == BPF_MAP_TYPE_STRUCT_OPS) {
@@ -238,7 +238,7 @@ static int bpf_map_copy_value(struct bpf_map *map, void *key, void *value,
void *ptr;
int err;
- if (bpf_map_is_dev_bound(map))
+ if (bpf_map_is_offloaded(map))
return bpf_map_offload_lookup_elem(map, key, value);
bpf_disable_instrumentation();
@@ -1483,7 +1483,7 @@ static int map_delete_elem(union bpf_attr *attr, bpfptr_t uattr)
goto err_put;
}
- if (bpf_map_is_dev_bound(map)) {
+ if (bpf_map_is_offloaded(map)) {
err = bpf_map_offload_delete_elem(map, key);
goto out;
} else if (IS_FD_PROG_ARRAY(map) ||
@@ -1547,7 +1547,7 @@ static int map_get_next_key(union bpf_attr *attr)
if (!next_key)
goto free_key;
- if (bpf_map_is_dev_bound(map)) {
+ if (bpf_map_is_offloaded(map)) {
err = bpf_map_offload_get_next_key(map, key, next_key);
goto out;
}
@@ -1605,7 +1605,7 @@ int generic_map_delete_batch(struct bpf_map *map,
map->key_size))
break;
- if (bpf_map_is_dev_bound(map)) {
+ if (bpf_map_is_offloaded(map)) {
err = bpf_map_offload_delete_elem(map, key);
break;
}
@@ -1851,7 +1851,7 @@ static int map_lookup_and_delete_elem(union bpf_attr *attr)
map->map_type == BPF_MAP_TYPE_PERCPU_HASH ||
map->map_type == BPF_MAP_TYPE_LRU_HASH ||
map->map_type == BPF_MAP_TYPE_LRU_PERCPU_HASH) {
- if (!bpf_map_is_dev_bound(map)) {
+ if (!bpf_map_is_offloaded(map)) {
bpf_disable_instrumentation();
rcu_read_lock();
err = map->ops->map_lookup_and_delete_elem(map, key, value, attr->flags);
@@ -1944,7 +1944,7 @@ static int find_prog_type(enum bpf_prog_type type, struct bpf_prog *prog)
if (!ops)
return -EINVAL;
- if (!bpf_prog_is_dev_bound(prog->aux))
+ if (!bpf_prog_is_offloaded(prog->aux))
prog->aux->ops = ops;
else
prog->aux->ops = &bpf_offload_prog_ops;
@@ -2245,7 +2245,7 @@ bool bpf_prog_get_ok(struct bpf_prog *prog,
if (prog->type != *attach_type)
return false;
- if (bpf_prog_is_dev_bound(prog->aux) && !attach_drv)
+ if (bpf_prog_is_offloaded(prog->aux) && !attach_drv)
return false;
return true;
@@ -2481,7 +2481,8 @@ static int bpf_prog_load(union bpf_attr *attr, bpfptr_t uattr)
BPF_F_TEST_STATE_FREQ |
BPF_F_SLEEPABLE |
BPF_F_TEST_RND_HI32 |
- BPF_F_XDP_HAS_FRAGS))
+ BPF_F_XDP_HAS_FRAGS |
+ BPF_F_XDP_DEV_BOUND_ONLY))
return -EINVAL;
if (!IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
@@ -2565,7 +2566,7 @@ static int bpf_prog_load(union bpf_attr *attr, bpfptr_t uattr)
prog->aux->attach_btf = attach_btf;
prog->aux->attach_btf_id = attr->attach_btf_id;
prog->aux->dst_prog = dst_prog;
- prog->aux->offload_requested = !!attr->prog_ifindex;
+ prog->aux->dev_bound = !!attr->prog_ifindex;
prog->aux->sleepable = attr->prog_flags & BPF_F_SLEEPABLE;
prog->aux->xdp_has_frags = attr->prog_flags & BPF_F_XDP_HAS_FRAGS;
@@ -2589,7 +2590,14 @@ static int bpf_prog_load(union bpf_attr *attr, bpfptr_t uattr)
prog->gpl_compatible = is_gpl ? 1 : 0;
if (bpf_prog_is_dev_bound(prog->aux)) {
- err = bpf_prog_offload_init(prog, attr);
+ err = bpf_prog_dev_bound_init(prog, attr);
+ if (err)
+ goto free_prog_sec;
+ }
+
+ if (type == BPF_PROG_TYPE_EXT && dst_prog &&
+ bpf_prog_is_dev_bound(dst_prog->aux)) {
+ err = bpf_prog_dev_bound_inherit(prog, dst_prog);
if (err)
goto free_prog_sec;
}
@@ -3987,7 +3995,7 @@ static int bpf_prog_get_info_by_fd(struct file *file,
return -EFAULT;
}
- if (bpf_prog_is_dev_bound(prog->aux)) {
+ if (bpf_prog_is_offloaded(prog->aux)) {
err = bpf_prog_offload_info_fill(&info, prog);
if (err)
return err;
@@ -4215,7 +4223,7 @@ static int bpf_map_get_info_by_fd(struct file *file,
}
info.btf_vmlinux_value_type_id = map->btf_vmlinux_value_type_id;
- if (bpf_map_is_dev_bound(map)) {
+ if (bpf_map_is_offloaded(map)) {
err = bpf_map_offload_info_fill(&info, map);
if (err)
return err;