net: Fix (nearly-)kernel-doc comments for various functions

Fix incorrect start markers, wrapped summary lines, missing section
breaks, incorrect separators, and some name mismatches.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/port.h b/net/tipc/port.h
index 98cbec9..4660e30 100644
--- a/net/tipc/port.h
+++ b/net/tipc/port.h
@@ -79,6 +79,7 @@
  * struct user_port - TIPC user port (used with native API)
  * @usr_handle: user-specified field
  * @ref: object reference to associated TIPC port
+ *
  * <various callback routines>
  */
 struct user_port {