X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnx2x%2Fbnx2x_rxtx.c;h=752a5e819618ac2a4d77fceded3894499a8ac2ff;hb=693f715da45c48ec1ec0fe4ba2f3b5ffd11ba53e;hp=09e3ebff7969a15f17a314d0e6d5d5cfad9143ec;hpb=638f2066a668590cfe6b8d17cf40054e9fcf3554;p=dpdk.git

diff --git a/drivers/net/bnx2x/bnx2x_rxtx.c b/drivers/net/bnx2x/bnx2x_rxtx.c
index 09e3ebff79..752a5e8196 100644
--- a/drivers/net/bnx2x/bnx2x_rxtx.c
+++ b/drivers/net/bnx2x/bnx2x_rxtx.c
@@ -1,7 +1,11 @@
 /*
  * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
  *
+ * Copyright (c) 2015 QLogic Corporation.
  * All rights reserved.
+ * www.qlogic.com
+ *
+ * See LICENSE.bnx2x_pmd for copyright and licensing details.
  */
 
 #include "bnx2x.h"
@@ -85,7 +89,7 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev,
 				 RTE_CACHE_LINE_SIZE, socket_id);
 	if (NULL == rxq) {
 		PMD_INIT_LOG(ERR, "rte_zmalloc for rxq failed!");
-		return (-ENOMEM);
+		return -ENOMEM;
 	}
 	rxq->sc = sc;
 	rxq->mb_pool = mp;
@@ -106,8 +110,10 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev,
 
 	PMD_INIT_LOG(DEBUG, "fp[%02d] req_bd=%u, thresh=%u, usable_bd=%lu, "
 		       "total_bd=%lu, rx_pages=%u, cq_pages=%u",
-		       queue_idx, nb_desc, rxq->rx_free_thresh, USABLE_RX_BD(rxq),
-		       TOTAL_RX_BD(rxq), rxq->nb_rx_pages, rxq->nb_cq_pages);
+		       queue_idx, nb_desc, rxq->rx_free_thresh,
+		       (unsigned long)USABLE_RX_BD(rxq),
+		       (unsigned long)TOTAL_RX_BD(rxq), rxq->nb_rx_pages,
+		       rxq->nb_cq_pages);
 
 	/* Allocate RX ring hardware descriptors */
 	dma_size = rxq->nb_rx_desc * sizeof(struct eth_rx_bd);
@@ -115,7 +121,7 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	if (NULL == dma) {
 		PMD_RX_LOG(ERR, "ring_dma_zone_reserve for rx_ring failed!");
 		bnx2x_rx_queue_release(rxq);
-		return (-ENOMEM);
+		return -ENOMEM;
 	}
 	fp->rx_desc_mapping = rxq->rx_ring_phys_addr = (uint64_t)dma->phys_addr;
 	rxq->rx_ring = (uint64_t*)dma->addr;
@@ -136,7 +142,7 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	if (NULL == rxq->sw_ring) {
 		PMD_RX_LOG(ERR, "rte_zmalloc for sw_ring failed!");
 		bnx2x_rx_queue_release(rxq);
-		return (-ENOMEM);
+		return -ENOMEM;
 	}
 
 	/* Initialize software ring entries */
@@ -147,7 +153,7 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev,
 			PMD_RX_LOG(ERR, "RX mbuf alloc failed queue_id=%u, idx=%d",
 				   (unsigned)rxq->queue_id, idx);
 			bnx2x_rx_queue_release(rxq);
-			return (-ENOMEM);
+			return -ENOMEM;
 		}
 		rxq->sw_ring[idx] = mbuf;
 		rxq->rx_ring[idx] = mbuf->buf_physaddr;
@@ -163,7 +169,7 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	dma = ring_dma_zone_reserve(dev, "bnx2x_rcq", queue_idx, dma_size, socket_id);
 	if (NULL == dma) {
 		PMD_RX_LOG(ERR, "RCQ  alloc failed");
-		return (-ENOMEM);
+		return -ENOMEM;
 	}
 	fp->rx_comp_mapping = rxq->cq_ring_phys_addr = (uint64_t)dma->phys_addr;
 	rxq->cq_ring = (union eth_rx_cqe*)dma->addr;
@@ -272,7 +278,7 @@ bnx2x_dev_tx_queue_setup(struct rte_eth_dev *dev,
 	txq = rte_zmalloc("ethdev TX queue", sizeof(struct bnx2x_tx_queue),
 			  RTE_CACHE_LINE_SIZE);
 	if (txq == NULL)
-		return (-ENOMEM);
+		return -ENOMEM;
 	txq->sc = sc;
 
 	txq->nb_tx_pages = 1;
@@ -287,15 +293,16 @@ bnx2x_dev_tx_queue_setup(struct rte_eth_dev *dev,
 
 	PMD_INIT_LOG(DEBUG, "fp[%02d] req_bd=%u, thresh=%u, usable_bd=%lu, "
 		     "total_bd=%lu, tx_pages=%u",
-		     queue_idx, nb_desc, txq->tx_free_thresh, USABLE_TX_BD(txq),
-		     TOTAL_TX_BD(txq), txq->nb_tx_pages);
+		     queue_idx, nb_desc, txq->tx_free_thresh,
+		     (unsigned long)USABLE_TX_BD(txq),
+		     (unsigned long)TOTAL_TX_BD(txq), txq->nb_tx_pages);
 
 	/* Allocate TX ring hardware descriptors */
 	tsize = txq->nb_tx_desc * sizeof(union eth_tx_bd_types);
 	tz = ring_dma_zone_reserve(dev, "tx_hw_ring", queue_idx, tsize, socket_id);
 	if (tz == NULL) {
 		bnx2x_tx_queue_release(txq);
-		return (-ENOMEM);
+		return -ENOMEM;
 	}
 	fp->tx_desc_mapping = txq->tx_ring_phys_addr = (uint64_t)tz->phys_addr;
 	txq->tx_ring = (union eth_tx_bd_types *) tz->addr;
@@ -307,7 +314,7 @@ bnx2x_dev_tx_queue_setup(struct rte_eth_dev *dev,
 				   RTE_CACHE_LINE_SIZE);
 	if (txq->sw_ring == NULL) {
 		bnx2x_tx_queue_release(txq);
-		return (-ENOMEM);
+		return -ENOMEM;
 	}
 
 	/* PMD_DRV_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
@@ -374,6 +381,9 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 	sw_cq_cons = rxq->rx_cq_head;
 	sw_cq_prod = rxq->rx_cq_tail;
 
+	if (sw_cq_cons == hw_cq_cons)
+		return 0;
+
 	while (nb_rx < nb_pkts && sw_cq_cons != hw_cq_cons) {
 
 		bd_prod &= MAX_RX_BD(rxq);