ixgbe: fix endianness of ring descriptor access

Use the rte_le_to_cpu_xx()/rte_cpu_to_le_xx() when reading/setting HW ring
descriptor fields.
Fixed the above in ixgbe_rx_alloc_bufs() and in ixgbe_recv_scattered_pkts().

Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
index 96c4b98..f7c081f 100644 (file)
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
@@ -1027,7 +1027,7 @@ ixgbe_rx_alloc_bufs(struct ixgbe_rx_queue *rxq)
        struct ixgbe_rx_entry *rxep;
        struct rte_mbuf *mb;
        uint16_t alloc_idx;
-       uint64_t dma_addr;
+       __le64 dma_addr;
        int diag, i;
 
        /* allocate buffers in bulk directly into the S/W ring */
@@ -1050,7 +1050,7 @@ ixgbe_rx_alloc_bufs(struct ixgbe_rx_queue *rxq)
                mb->port = rxq->port_id;
 
                /* populate the descriptors */
-               dma_addr = (uint64_t)mb->buf_physaddr + RTE_PKTMBUF_HEADROOM;
+               dma_addr = rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb));
                rxdp[i].read.hdr_addr = dma_addr;
                rxdp[i].read.pkt_addr = dma_addr;
        }
@@ -1558,13 +1558,14 @@ ixgbe_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                first_seg->ol_flags = pkt_flags;
 
                if (likely(pkt_flags & PKT_RX_RSS_HASH))
-                       first_seg->hash.rss = rxd.wb.lower.hi_dword.rss;
+                       first_seg->hash.rss =
+                                   rte_le_to_cpu_32(rxd.wb.lower.hi_dword.rss);
                else if (pkt_flags & PKT_RX_FDIR) {
                        first_seg->hash.fdir.hash =
-                               (uint16_t)((rxd.wb.lower.hi_dword.csum_ip.csum)
-                                          & IXGBE_ATR_HASH_MASK);
+                           rte_le_to_cpu_16(rxd.wb.lower.hi_dword.csum_ip.csum)
+                                          & IXGBE_ATR_HASH_MASK;
                        first_seg->hash.fdir.id =
-                               rxd.wb.lower.hi_dword.csum_ip.ip_id;
+                         rte_le_to_cpu_16(rxd.wb.lower.hi_dword.csum_ip.ip_id);
                }
 
                /* Prefetch data of first segment, if configured to do so. */