X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fnetvsc%2Fhn_vf.c;h=1261b2e2ef858aafff8277a3b57f4a65b5d289b0;hb=4710e16a4a7b53c9f2cf38e6f6af945e9af59c26;hp=d53d27bb731fbcbb6437390f86f9ee093ad27600;hpb=2db039a759d835ea69297dceade0b03b87998ebc;p=dpdk.git

diff --git a/drivers/net/netvsc/hn_vf.c b/drivers/net/netvsc/hn_vf.c
index d53d27bb73..1261b2e2ef 100644
--- a/drivers/net/netvsc/hn_vf.c
+++ b/drivers/net/netvsc/hn_vf.c
@@ -167,6 +167,17 @@ hn_nvs_handle_vfassoc(struct rte_eth_dev *dev,
 		hn_vf_remove(hv);
 }
 
+static void
+hn_vf_merge_desc_lim(struct rte_eth_desc_lim *lim,
+		     const struct rte_eth_desc_lim *vf_lim)
+{
+	lim->nb_max = RTE_MIN(vf_lim->nb_max, lim->nb_max);
+	lim->nb_min = RTE_MAX(vf_lim->nb_min, lim->nb_min);
+	lim->nb_align = RTE_MAX(vf_lim->nb_align, lim->nb_align);
+	lim->nb_seg_max = RTE_MIN(vf_lim->nb_seg_max, lim->nb_seg_max);
+	lim->nb_mtu_seg_max = RTE_MIN(vf_lim->nb_seg_max, lim->nb_seg_max);
+}
+
 /*
  * Merge the info from the VF and synthetic path.
  * use the default config of the VF
@@ -196,11 +207,13 @@ static int hn_vf_info_merge(struct rte_eth_dev *vf_dev,
 				      info->max_tx_queues);
 	info->tx_offload_capa &= vf_info.tx_offload_capa;
 	info->tx_queue_offload_capa &= vf_info.tx_queue_offload_capa;
+	hn_vf_merge_desc_lim(&info->tx_desc_lim, &vf_info.tx_desc_lim);
 
 	info->min_rx_bufsize = RTE_MAX(vf_info.min_rx_bufsize,
 				       info->min_rx_bufsize);
 	info->max_rx_pktlen  = RTE_MAX(vf_info.max_rx_pktlen,
 				       info->max_rx_pktlen);
+	hn_vf_merge_desc_lim(&info->rx_desc_lim, &vf_info.rx_desc_lim);
 
 	return 0;
 }
@@ -362,6 +375,20 @@ void hn_vf_stop(struct rte_eth_dev *dev)
 		rte_spinlock_unlock(&hv->vf_lock);		\
 	}
 
+/* If VF is present, then cascade configuration down */
+#define VF_ETHDEV_FUNC_RET_STATUS(dev, func)			\
+	{							\
+		struct hn_data *hv = (dev)->data->dev_private;	\
+		struct rte_eth_dev *vf_dev;			\
+		int ret = 0;					\
+		rte_spinlock_lock(&hv->vf_lock);		\
+		vf_dev = hn_get_vf_dev(hv);			\
+		if (vf_dev)					\
+			ret = func(vf_dev->data->port_id);	\
+		rte_spinlock_unlock(&hv->vf_lock);		\
+		return ret;					\
+	}
+
 void hn_vf_reset(struct rte_eth_dev *dev)
 {
 	VF_ETHDEV_FUNC(dev, rte_eth_dev_reset);
@@ -381,29 +408,29 @@ void hn_vf_close(struct rte_eth_dev *dev)
 	rte_spinlock_unlock(&hv->vf_lock);
 }
 
-void hn_vf_stats_reset(struct rte_eth_dev *dev)
+int hn_vf_stats_reset(struct rte_eth_dev *dev)
 {
-	VF_ETHDEV_FUNC(dev, rte_eth_stats_reset);
+	VF_ETHDEV_FUNC_RET_STATUS(dev, rte_eth_stats_reset);
 }
 
-void hn_vf_allmulticast_enable(struct rte_eth_dev *dev)
+int hn_vf_allmulticast_enable(struct rte_eth_dev *dev)
 {
-	VF_ETHDEV_FUNC(dev, rte_eth_allmulticast_enable);
+	VF_ETHDEV_FUNC_RET_STATUS(dev, rte_eth_allmulticast_enable);
 }
 
-void hn_vf_allmulticast_disable(struct rte_eth_dev *dev)
+int hn_vf_allmulticast_disable(struct rte_eth_dev *dev)
 {
-	VF_ETHDEV_FUNC(dev, rte_eth_allmulticast_disable);
+	VF_ETHDEV_FUNC_RET_STATUS(dev, rte_eth_allmulticast_disable);
 }
 
-void hn_vf_promiscuous_enable(struct rte_eth_dev *dev)
+int hn_vf_promiscuous_enable(struct rte_eth_dev *dev)
 {
-	VF_ETHDEV_FUNC(dev, rte_eth_promiscuous_enable);
+	VF_ETHDEV_FUNC_RET_STATUS(dev, rte_eth_promiscuous_enable);
 }
 
-void hn_vf_promiscuous_disable(struct rte_eth_dev *dev)
+int hn_vf_promiscuous_disable(struct rte_eth_dev *dev)
 {
-	VF_ETHDEV_FUNC(dev, rte_eth_promiscuous_disable);
+	VF_ETHDEV_FUNC_RET_STATUS(dev, rte_eth_promiscuous_disable);
 }
 
 int hn_vf_mc_addr_list(struct rte_eth_dev *dev,
@@ -559,16 +586,21 @@ int hn_vf_xstats_get(struct rte_eth_dev *dev,
 	return count;
 }
 
-void hn_vf_xstats_reset(struct rte_eth_dev *dev)
+int hn_vf_xstats_reset(struct rte_eth_dev *dev)
 {
 	struct hn_data *hv = dev->data->dev_private;
 	struct rte_eth_dev *vf_dev;
+	int ret;
 
 	rte_spinlock_lock(&hv->vf_lock);
 	vf_dev = hn_get_vf_dev(hv);
 	if (vf_dev)
-		rte_eth_xstats_reset(vf_dev->data->port_id);
+		ret = rte_eth_xstats_reset(vf_dev->data->port_id);
+	else
+		ret = -EINVAL;
 	rte_spinlock_unlock(&hv->vf_lock);
+
+	return ret;
 }
 
 int hn_vf_rss_hash_update(struct rte_eth_dev *dev,