net/bnxt: fix checking VNIC in shutdown path

[dpdk.git] / drivers / net / bnxt / bnxt_rxtx_vec_common.h

diff --git a/drivers/net/bnxt/bnxt_rxtx_vec_common.h b/drivers/net/bnxt/bnxt_rxtx_vec_common.h
index cae9c24..4a48152 100644 (file)
--- a/drivers/net/bnxt/bnxt_rxtx_vec_common.h
+++ b/drivers/net/bnxt/bnxt_rxtx_vec_common.h
@@ -9,8 +9,6 @@
 #include "bnxt_rxq.h"
 #include "bnxt_rxr.h"
 
-#define RTE_BNXT_DESCS_PER_LOOP                4U
-
 #define TX_BD_FLAGS_CMPL ((1 << TX_BD_LONG_FLAGS_BD_CNT_SFT) | \
                          TX_BD_SHORT_FLAGS_COAL_NOW | \
                          TX_BD_SHORT_TYPE_TX_BD_SHORT | \
@@ -54,4 +52,46 @@ bnxt_rxq_vec_setup_common(struct bnxt_rx_queue *rxq)
        rxq->rxrearm_start = 0;
        return 0;
 }
+
+static inline void
+bnxt_rxq_rearm(struct bnxt_rx_queue *rxq, struct bnxt_rx_ring_info *rxr)
+{
+       struct rx_prod_pkt_bd *rxbds = &rxr->rx_desc_ring[rxq->rxrearm_start];
+       struct rte_mbuf **rx_bufs = &rxr->rx_buf_ring[rxq->rxrearm_start];
+       int nb, i;
+
+       /*
+        * Number of mbufs to allocate must be a multiple of four. The
+        * allocation must not go past the end of the ring.
+        */
+       nb = RTE_MIN(rxq->rxrearm_nb & ~0x3,
+                    rxq->nb_rx_desc - rxq->rxrearm_start);
+
+       /* Allocate new mbufs into the software ring. */
+       if (rte_mempool_get_bulk(rxq->mb_pool, (void *)rx_bufs, nb) < 0) {
+               rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed += nb;
+
+               for (i = 0; i < nb; i++)
+                       rx_bufs[i] = &rxq->fake_mbuf;
+               return;
+       }
+
+       /* Initialize the mbufs in vector, process 4 mbufs per loop. */
+       for (i = 0; i < nb; i += 4) {
+               rxbds[0].address = rte_mbuf_data_iova_default(rx_bufs[0]);
+               rxbds[1].address = rte_mbuf_data_iova_default(rx_bufs[1]);
+               rxbds[2].address = rte_mbuf_data_iova_default(rx_bufs[2]);
+               rxbds[3].address = rte_mbuf_data_iova_default(rx_bufs[3]);
+
+               rxbds += 4;
+               rx_bufs += 4;
+       }
+
+       rxq->rxrearm_start += nb;
+       bnxt_db_write(&rxr->rx_db, rxq->rxrearm_start - 1);
+       if (rxq->rxrearm_start >= rxq->nb_rx_desc)
+               rxq->rxrearm_start = 0;
+
+       rxq->rxrearm_nb -= nb;
+}
 #endif /* _BNXT_RXTX_VEC_COMMON_H_ */