More stats to SIOCIPFCFWCFG and add SIOCIPFCFWNEWSZ to affect ring-buffer size.

@@ -25,15 +25,17 @@
 # Copyright 2019 Joyent, Inc.
 #
 
 cfw_evdrops
 cfw_evreports
-cfw_evring
+cfw_ring
 cfw_ringcv
 cfw_ringend
 cfw_ringfull
 cfw_ringlock
+cfw_ringmask
+cfw_ringsize
 cfw_ringstart
 cfw_timeout_tries
 cfw_timeout_wait
 hook4_vnd_in
 hook4_vnd_out