net/hns3: support LRO

[dpdk.git] / drivers / net / hns3 / hns3_rxtx.c

diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
index 57017b6..4e3391d 100644 (file)
--- a/drivers/net/hns3/hns3_rxtx.c
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -1519,6 +1519,7 @@ hns3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
        uint32_t bd_base_info;
        uint32_t cksum_err;
        uint32_t l234_info;
+       uint32_t gro_size;
        uint32_t ol_info;
        uint64_t dma_addr;
        uint16_t data_len;
@@ -1665,6 +1666,13 @@ hns3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
                }
                rxm->next = NULL;
 
+               gro_size = hns3_get_field(bd_base_info, HNS3_RXD_GRO_SIZE_M,
+                                         HNS3_RXD_GRO_SIZE_S);
+               if (gro_size != 0) {
+                       first_seg->ol_flags |= PKT_RX_LRO;
+                       first_seg->tso_segsz = gro_size;
+               }
+
                ret = hns3_handle_bdinfo(rxq, first_seg, bd_base_info,
                                         l234_info, &cksum_err);
                if (unlikely(ret))
@@ -1850,6 +1858,43 @@ hns3_tso_proc_tunnel(struct hns3_desc *desc, uint64_t ol_flags,
        return 0;
 }
 
+int
+hns3_config_gro(struct hns3_hw *hw, bool en)
+{
+       struct hns3_cfg_gro_status_cmd *req;
+       struct hns3_cmd_desc desc;
+       int ret;
+
+       hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_GRO_GENERIC_CONFIG, false);
+       req = (struct hns3_cfg_gro_status_cmd *)desc.data;
+
+       req->gro_en = rte_cpu_to_le_16(en ? 1 : 0);
+
+       ret = hns3_cmd_send(hw, &desc, 1);
+       if (ret)
+               hns3_err(hw, "%s hardware GRO failed, ret = %d",
+                        en ? "enable" : "disable", ret);
+
+       return ret;
+}
+
+int
+hns3_restore_gro_conf(struct hns3_hw *hw)
+{
+       uint64_t offloads;
+       bool gro_en;
+       int ret;
+
+       offloads = hw->data->dev_conf.rxmode.offloads;
+       gro_en = offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false;
+       ret = hns3_config_gro(hw, gro_en);
+       if (ret)
+               hns3_err(hw, "restore hardware GRO to %s failed, ret = %d",
+                        gro_en ? "enabled" : "disabled", ret);
+
+       return ret;
+}
+
 static inline bool
 hns3_pkt_is_tso(struct rte_mbuf *m)
 {