net: hns3: fix the ring count for ETHTOOL_GRXRINGS

This patch fix the ring count for ETHTOOL_GRXRINGS. Ring count
not TC size should be return for command "ethtool -n ethx".
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c

@@ -450,7 +450,7 @@ static int hns3_get_rxnfc(struct net_device *netdev,
 
 	switch (cmd->cmd) {
 	case ETHTOOL_GRXRINGS:
-		cmd->data = h->ae_algo->ops->get_tc_size(h);
+		cmd->data = h->kinfo.num_tc * h->kinfo.rss_size;
 		break;
 	case ETHTOOL_GRXFH:
 		return h->ae_algo->ops->get_rss_tuple(h, cmd);