i40e: fix RSS hash copy

It wrongly gets the RSS hash result from the RX descriptor which
has been modified for receiving new packet. The fix is to get the
RSS hash result from the buffer which saves the RX descriptor.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Jing Chen <jing.d.chen@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>

diff --git a/lib/librte_pmd_i40e/i40e_rxtx.c b/lib/librte_pmd_i40e/i40e_rxtx.c
index 9fccbee0fe8384a0f1bcf019944f59533c1c201f..3a6a2d8106a9ce9ddede688f319e3561863fc638 100644 (file)
--- a/lib/librte_pmd_i40e/i40e_rxtx.c
+++ b/lib/librte_pmd_i40e/i40e_rxtx.c
@@ -863,7 +863,7 @@ i40e_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
                rxm->ol_flags = pkt_flags;
                if (pkt_flags & PKT_RX_RSS_HASH)
                        rxm->pkt.hash.rss =
-                               rte_le_to_cpu_32(rxdp->wb.qword0.hi_dword.rss);
+                               rte_le_to_cpu_32(rxd.wb.qword0.hi_dword.rss);
 
                rx_pkts[nb_rx++] = rxm;
        }
@@ -1016,7 +1016,7 @@ i40e_recv_scattered_pkts(void *rx_queue,
                first_seg->ol_flags = pkt_flags;
                if (pkt_flags & PKT_RX_RSS_HASH)
                        rxm->pkt.hash.rss =
-                               rte_le_to_cpu_32(rxdp->wb.qword0.hi_dword.rss);
+                               rte_le_to_cpu_32(rxd.wb.qword0.hi_dword.rss);
 
                /* Prefetch data of first segment, if configured to do so. */
                rte_prefetch0(first_seg->pkt.data);