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authorAlexei Starovoitov <ast@kernel.org>2020-05-19 11:39:53 -0700
committerAlexei Starovoitov <ast@kernel.org>2020-05-19 11:39:53 -0700
commitfb53d3b63743585ce918094d6109a3865fa66e5f (patch)
tree69878f3380bbf7da6bc8205b2e50ecba3e3b00e3 /tools/include
parent0e5633acc59573994d9aca02ad1b2f3a3de44181 (diff)
tools/bpf: sync bpf.h
Sync tools/include/uapi/linux/bpf.h from include/uapi. Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/uapi/linux/bpf.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 1cddc398404a..97e1fd19ff58 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -73,7 +73,7 @@ struct bpf_insn {
/* Key of an a BPF_MAP_TYPE_LPM_TRIE entry */
struct bpf_lpm_trie_key {
__u32 prefixlen; /* up to 32 for AF_INET, 128 for AF_INET6 */
- __u8 data[]; /* Arbitrary size */
+ __u8 data[0]; /* Arbitrary size */
};
struct bpf_cgroup_storage_key {
@@ -2019,8 +2019,8 @@ union bpf_attr {
* int bpf_xdp_adjust_tail(struct xdp_buff *xdp_md, int delta)
* Description
* Adjust (move) *xdp_md*\ **->data_end** by *delta* bytes. It is
- * only possible to shrink the packet as of this writing,
- * therefore *delta* must be a negative integer.
+ * possible to both shrink and grow the packet tail.
+ * Shrink done via *delta* being a negative integer.
*
* A call to this helper is susceptible to change the underlying
* packet buffer. Therefore, at load time, all checks on pointers