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tools/bpf: sync bpf.h

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Sync tools/include/uapi/linux/bpf.h from include/uapi.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexei Starovoitov 2020-05-19 11:39:53 -07:00
parent 0e5633acc5
commit fb53d3b637
1 changed files with 3 additions and 3 deletions
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6
tools/include/uapi/linux/bpf.h
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@ -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