[dpdk-dev] [PATCH] net/i40e: fix core dump during testpmd setup

Beilei Xing beilei.xing at intel.com
Thu Apr 20 10:13:31 CEST 2017


Testpmd failed to start when CONFIG_RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC
is disabled, the root cause is the length of sw_ring is incorrect with
the above configuration.

Fixes: 0be295312966 ("net/i40e: fix compile error")

Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
 drivers/net/i40e/i40e_rxtx.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index e5471b1..4244de8 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1816,11 +1816,7 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
 	rxq->rx_ring = (union i40e_rx_desc *)rz->addr;
 
-#ifdef RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC
 	len = (uint16_t)(nb_desc + RTE_PMD_I40E_RX_MAX_BURST);
-#else
-	len = nb_desc;
-#endif
 
 	/* Allocate the software ring. */
 	rxq->sw_ring =
-- 
2.5.5



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