[PATCH bpf] bpf: refer to struct xdp_md in user space comments

[Jakub Kicinski]

uAPI uses xdp_md, not xdp_buff. Fix comments.

Signed-off-by: Jakub Kicinski <k...@kernel.org>
---
 include/uapi/linux/bpf.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 0480f893facd..cc3553a102d0 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -1554,7 +1554,7 @@ union bpf_attr {
  *     Return
  *             0 on success, or a negative error in case of failure.
  *
- * long bpf_xdp_adjust_head(struct xdp_buff *xdp_md, int delta)
+ * long bpf_xdp_adjust_head(struct xdp_md *xdp_md, int delta)
  *     Description
  *             Adjust (move) *xdp_md*\ **->data** by *delta* bytes. Note that
  *             it is possible to use a negative value for *delta*. This helper
@@ -1752,7 +1752,7 @@ union bpf_attr {
  *     Return
  *             0 on success, or a negative error in case of failure.
  *
- * long bpf_xdp_adjust_meta(struct xdp_buff *xdp_md, int delta)
+ * long bpf_xdp_adjust_meta(struct xdp_md *xdp_md, int delta)
  *     Description
  *             Adjust the address pointed by *xdp_md*\ **->data_meta** by
  *             *delta* (which can be positive or negative). Note that this
@@ -2051,7 +2051,7 @@ union bpf_attr {
  *     Return
  *             0 on success, or a negative error in case of failure.
  *
- * long bpf_xdp_adjust_tail(struct xdp_buff *xdp_md, int delta)
+ * long bpf_xdp_adjust_tail(struct xdp_md *xdp_md, int delta)
  *     Description
  *             Adjust (move) *xdp_md*\ **->data_end** by *delta* bytes. It is
  *             possible to both shrink and grow the packet tail.
@@ -3049,7 +3049,7 @@ union bpf_attr {
  *             The value to write, of *size*, is passed through eBPF stack and
  *             pointed by *data*.
  *
- *             *ctx* is a pointer to in-kernel struct xdp_buff.
+ *             *ctx* is a pointer to in-kernel struct xdp_md.
  *
  *             This helper is similar to **bpf_perf_eventoutput**\ () but
  *             restricted to raw_tracepoint bpf programs.
-- 
2.26.2