using ifiq_input lets ix check the return value from that function
so it can call if_rxr_livelocked as needed. calling if_rxr_livelocked
will make it shrinkthe rx rings before ifiq_input has to start
dropping packets. the idea being that dropping in hardware lets the
cpu spend more time
ot;unsigned int max"
.Ft void
.Fn if_rxr_put "struct if_rxring *rxr" "unsigned int n"
+.Ft void
+.Fn if_rxr_livelocked "struct if_rxring *rxr"
.Ft unsigned int
.Fn if_rxr_inuse "struct if_rxring *rxr"
+.Ft unsigned int
+.Fn if_rxr_cwm "struct if_
