ixgbe: fix Rx with buffer address not word aligned

[dpdk.git] / drivers / net / ixgbe / ixgbe_rxtx_vec.c

diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec.c b/drivers/net/ixgbe/ixgbe_rxtx_vec.c
index 4923c70..cf25a53 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec.c
@@ -56,6 +56,8 @@ ixgbe_rxq_rearm(struct ixgbe_rx_queue *rxq)
                        RTE_PKTMBUF_HEADROOM);
        __m128i dma_addr0, dma_addr1;
 
+       const __m128i hba_msk = _mm_set_epi64x(0, UINT64_MAX);
+
        rxdp = rxq->rx_ring + rxq->rxrearm_start;
 
        /* Pull 'n' more MBUFs into the software ring */
@@ -108,6 +110,10 @@ ixgbe_rxq_rearm(struct ixgbe_rx_queue *rxq)
                dma_addr0 = _mm_add_epi64(dma_addr0, hdr_room);
                dma_addr1 = _mm_add_epi64(dma_addr1, hdr_room);
 
+               /* set Header Buffer Address to zero */
+               dma_addr0 =  _mm_and_si128(dma_addr0, hba_msk);
+               dma_addr1 =  _mm_and_si128(dma_addr1, hba_msk);
+
                /* flush desc with pa dma_addr */
                _mm_store_si128((__m128i *)&rxdp++->read, dma_addr0);
                _mm_store_si128((__m128i *)&rxdp++->read, dma_addr1);