uapi: update bpf.h

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 2892794fae0f86c2aa2b96c103d6b99fd7e8b204..068953f17add4405d084fd51d6e57459661860cc 100644 (file)
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -5222,22 +5222,25 @@ union bpf_attr {
  *     Return
  *             Nothing. Always succeeds.
  *
- * long bpf_dynptr_read(void *dst, u32 len, struct bpf_dynptr *src, u32 offset)
+ * long bpf_dynptr_read(void *dst, u32 len, struct bpf_dynptr *src, u32 offset, u64 flags)
  *     Description
  *             Read *len* bytes from *src* into *dst*, starting from *offset*
  *             into *src*.
+ *             *flags* is currently unused.
  *     Return
  *             0 on success, -E2BIG if *offset* + *len* exceeds the length
- *             of *src*'s data, -EINVAL if *src* is an invalid dynptr.
+ *             of *src*'s data, -EINVAL if *src* is an invalid dynptr or if
+ *             *flags* is not 0.
  *
- * long bpf_dynptr_write(struct bpf_dynptr *dst, u32 offset, void *src, u32 len)
+ * long bpf_dynptr_write(struct bpf_dynptr *dst, u32 offset, void *src, u32 len, u64 flags)
  *     Description
  *             Write *len* bytes from *src* into *dst*, starting from *offset*
  *             into *dst*.
+ *             *flags* is currently unused.
  *     Return
  *             0 on success, -E2BIG if *offset* + *len* exceeds the length
  *             of *dst*'s data, -EINVAL if *dst* is an invalid dynptr or if *dst*
- *             is a read-only dynptr.
+ *             is a read-only dynptr or if *flags* is not 0.
  *
  * void *bpf_dynptr_data(struct bpf_dynptr *ptr, u32 offset, u32 len)
  *     Description