net/netvsc: disable before changing RSS parameters

[dpdk.git] / drivers / net / netvsc / hn_ethdev.c

diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index eed8dec..159116f 100644 (file)
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -42,7 +42,8 @@
                            DEV_TX_OFFLOAD_VLAN_INSERT)
 
 #define HN_RX_OFFLOAD_CAPS (DEV_RX_OFFLOAD_CHECKSUM | \
-                           DEV_RX_OFFLOAD_VLAN_STRIP)
+                           DEV_RX_OFFLOAD_VLAN_STRIP | \
+                           DEV_RX_OFFLOAD_RSS_HASH)
 
 int hn_logtype_init;
 int hn_logtype_driver;
@@ -291,6 +292,13 @@ static int hn_rss_reta_update(struct rte_eth_dev *dev,
                        hv->rss_ind[i] = reta_conf[idx].reta[shift];
        }
 
+       err = hn_rndis_conf_rss(hv, NDIS_RSS_FLAG_DISABLE);
+       if (err) {
+               PMD_DRV_LOG(NOTICE,
+                       "rss disable failed");
+               return err;
+       }
+
        err = hn_rndis_conf_rss(hv, 0);
        if (err) {
                PMD_DRV_LOG(NOTICE,
@@ -532,6 +540,9 @@ static int hn_dev_configure(struct rte_eth_dev *dev)
 
        PMD_INIT_FUNC_TRACE();
 
+       if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
+               dev_conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
+
        unsupported = txmode->offloads & ~HN_TX_OFFLOAD_CAPS;
        if (unsupported) {
                PMD_DRV_LOG(NOTICE,
@@ -575,6 +586,13 @@ static int hn_dev_configure(struct rte_eth_dev *dev)
                        return err;
                }
 
+               err = hn_rndis_conf_rss(hv, NDIS_RSS_FLAG_DISABLE);
+               if (err) {
+                       PMD_DRV_LOG(NOTICE,
+                               "rss disable failed");
+                       return err;
+               }
+
                err = hn_rndis_conf_rss(hv, 0);
                if (err) {
                        PMD_DRV_LOG(NOTICE,