[PATCH v7 4/6] net/idpf: add rss_offload hash in singleq rx

[Mingxia Liu]

This patch add rss valid flag and hash value parsing of rx descriptor.

Signed-off-by: Mingxia Liu <mingxia....@intel.com>
---
 drivers/common/idpf/idpf_common_rxtx.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/common/idpf/idpf_common_rxtx.c 
b/drivers/common/idpf/idpf_common_rxtx.c
index 9303b51cce..d7e8df1895 100644
--- a/drivers/common/idpf/idpf_common_rxtx.c
+++ b/drivers/common/idpf/idpf_common_rxtx.c
@@ -1030,6 +1030,20 @@ idpf_update_rx_tail(struct idpf_rx_queue *rxq, uint16_t 
nb_hold,
        rxq->nb_rx_hold = nb_hold;
 }
 
+static inline void
+idpf_singleq_rx_rss_offload(struct rte_mbuf *mb,
+                           volatile struct virtchnl2_rx_flex_desc_nic *rx_desc,
+                           uint64_t *pkt_flags)
+{
+       uint16_t rx_status0 = rte_le_to_cpu_16(rx_desc->status_error0);
+
+       if (rx_status0 & RTE_BIT32(VIRTCHNL2_RX_FLEX_DESC_STATUS0_RSS_VALID_S)) 
{
+               *pkt_flags |= RTE_MBUF_F_RX_RSS_HASH;
+               mb->hash.rss = rte_le_to_cpu_32(rx_desc->rss_hash);
+       }
+
+}
+
 uint16_t
 idpf_dp_singleq_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                          uint16_t nb_pkts)
@@ -1118,6 +1132,7 @@ idpf_dp_singleq_recv_pkts(void *rx_queue, struct rte_mbuf 
**rx_pkts,
                rxm->port = rxq->port_id;
                rxm->ol_flags = 0;
                pkt_flags = idpf_rxd_to_pkt_flags(rx_status0);
+               idpf_singleq_rx_rss_offload(rxm, &rxd.flex_nic_wb, &pkt_flags);
                rxm->packet_type =
                        
ptype_tbl[(uint8_t)(rte_cpu_to_le_16(rxd.flex_nic_wb.ptype_flex_flags0) &
                                            VIRTCHNL2_RX_FLEX_DESC_PTYPE_M)];
@@ -1249,6 +1264,7 @@ idpf_dp_singleq_recv_scatter_pkts(void *rx_queue, struct 
rte_mbuf **rx_pkts,
                first_seg->port = rxq->port_id;
                first_seg->ol_flags = 0;
                pkt_flags = idpf_rxd_to_pkt_flags(rx_status0);
+               idpf_singleq_rx_rss_offload(first_seg, &rxd.flex_nic_wb, 
&pkt_flags);
                first_seg->packet_type =
                        
ptype_tbl[(uint8_t)(rte_cpu_to_le_16(rxd.flex_nic_wb.ptype_flex_flags0) &
                                VIRTCHNL2_RX_FLEX_DESC_PTYPE_M)];
-- 
2.25.1