RCVBUF_CONTAINER_CNT
cnt = RCVBUF_CONTAINER_CNT;
index - ha->rcvbuf_ring_index : RCVBUF_CONTAINER_CNT -
if (rcv_q_cnt == RCVBUF_CONTAINER_CNT) {
if (ha->rcvbuf_ring_index == RCVBUF_CONTAINER_CNT) {
#define RCVBUF_QUEUE_SIZE (RCVBUF_CONTAINER_SIZE * RCVBUF_CONTAINER_CNT)