bpf: fix documentation for eBPF helpers

Minor formatting edits for eBPF helpers documentation, including blank
lines removal, fix of item list for return values in bpf_fib_lookup(),
and missing prefix on bpf_skb_load_bytes_relative().

Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index b7db326..6bcb287 100644 (file)
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -1826,7 +1826,7 @@ union bpf_attr {
  *             A non-negative value equal to or less than *size* on success,
  *             or a negative error in case of failure.
  *
- * int skb_load_bytes_relative(const struct sk_buff *skb, u32 offset, void *to, u32 len, u32 start_header)
+ * int bpf_skb_load_bytes_relative(const struct sk_buff *skb, u32 offset, void *to, u32 len, u32 start_header)
  *     Description
  *             This helper is similar to **bpf_skb_load_bytes**\ () in that
  *             it provides an easy way to load *len* bytes from *offset*
@@ -1877,7 +1877,7 @@ union bpf_attr {
  *             * < 0 if any input argument is invalid
  *             *   0 on success (packet is forwarded, nexthop neighbor exists)
  *             * > 0 one of **BPF_FIB_LKUP_RET_** codes explaining why the
- *             *     packet is not forwarded or needs assist from full stack
+ *               packet is not forwarded or needs assist from full stack
  *
  * int bpf_sock_hash_update(struct bpf_sock_ops_kern *skops, struct bpf_map *map, void *key, u64 flags)
  *     Description
@@ -2033,7 +2033,6 @@ union bpf_attr {
  *             This helper is only available is the kernel was compiled with
  *             the **CONFIG_BPF_LIRC_MODE2** configuration option set to
  *             "**y**".
- *
  *     Return
  *             0
  *
@@ -2053,7 +2052,6 @@ union bpf_attr {
  *             This helper is only available is the kernel was compiled with
  *             the **CONFIG_BPF_LIRC_MODE2** configuration option set to
  *             "**y**".
- *
  *     Return
  *             0
  *