We need 1 extra entry for the status page and 1 to always have 1 free
entry to detect when the queue is full.
Signed-off-by: NSteve Wise <swise@opengridcomputing.com>
Signed-off-by: NRoland Dreier <rolandd@cisco.com>

Add an RDMA/iWARP driver for Chelsio T4 Ethernet adapters.
Signed-off-by: NSteve Wise <swise@opengridcomputing.com>
Signed-off-by: NRoland Dreier <rolandd@cisco.com>