[dpdk-dev] [PATCH v2 14/17] net/hinic: support LRO offload

[Xiaoyun wang]

This patch supports LRO offload.

Signed-off-by: Xiaoyun wang <cloud.wangxiao...@huawei.com>
---
 drivers/net/hinic/hinic_pmd_ethdev.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c 
b/drivers/net/hinic/hinic_pmd_ethdev.c
index 8ea5998..6f3eb18 100644
--- a/drivers/net/hinic/hinic_pmd_ethdev.c
+++ b/drivers/net/hinic/hinic_pmd_ethdev.c
@@ -70,6 +70,9 @@
 #define HINIC_PKTLEN_TO_MTU(pktlen)    \
        ((pktlen) - (ETH_HLEN + ETH_CRC_LEN))
 
+/* lro numer limit for one packet */
+#define HINIC_LRO_WQE_NUM_DEFAULT      8
+
 /* Driver-specific log messages type */
 int hinic_logtype;
 
@@ -729,7 +732,8 @@ static void hinic_get_speed_capa(struct rte_eth_dev *dev, 
uint32_t *speed_capa)
                                DEV_RX_OFFLOAD_TCP_CKSUM |
                                DEV_RX_OFFLOAD_VLAN_FILTER |
                                DEV_RX_OFFLOAD_SCATTER |
-                               DEV_RX_OFFLOAD_JUMBO_FRAME;
+                               DEV_RX_OFFLOAD_JUMBO_FRAME |
+                               DEV_RX_OFFLOAD_TCP_LRO;
 
        info->tx_queue_offload_capa = 0;
        info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
@@ -790,6 +794,7 @@ static int hinic_rxtx_configure(struct rte_eth_dev *dev)
 {
        int err;
        struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+       bool lro_en;
 
        /* rx configure, if rss enable, need to init default configuration */
        err = hinic_rx_configure(dev);
@@ -806,6 +811,18 @@ static int hinic_rxtx_configure(struct rte_eth_dev *dev)
                goto set_rx_mode_fail;
        }
 
+       /* config lro */
+       lro_en = dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ?
+                       true : false;
+
+       err = hinic_set_rx_lro(nic_dev->hwdev, lro_en, lro_en,
+                               HINIC_LRO_WQE_NUM_DEFAULT);
+       if (err) {
+               PMD_DRV_LOG(ERR, "%s lro failed, err: %d",
+                       lro_en ? "Enable" : "Disable", err);
+               goto set_rx_mode_fail;
+       }
+
        return HINIC_OK;
 
 set_rx_mode_fail:
@@ -2476,11 +2493,6 @@ static int hinic_set_default_hw_feature(struct 
hinic_nic_dev *nic_dev)
        if (err)
                return err;
 
-       /* disable LRO */
-       err = hinic_set_rx_lro(nic_dev->hwdev, 0, 0, (u8)0);
-       if (err)
-               return err;
-
        /* Set pause enable, and up will disable pfc. */
        err = hinic_set_default_pause_feature(nic_dev);
        if (err)
-- 
1.8.3.1