Re: [dpdk-dev] [PATCH v2 4/7] ethdev: change allmulticast callbacks to return status

[Yang, Qiming]

[snip] ...

Hi, Andrew
I think it's no need to define a 'ret'.
Return -EAGAIN and return 0 is enough.

Qiming

static int
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 46ed70816..c699f3ef0 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -69,8 +69,8 @@ static int ice_rss_hash_conf_get(struct rte_eth_dev *dev,
                                 struct rte_eth_rss_conf *rss_conf);
 static int ice_promisc_enable(struct rte_eth_dev *dev);
 static int ice_promisc_disable(struct rte_eth_dev *dev);
-static void ice_allmulti_enable(struct rte_eth_dev *dev);
-static void ice_allmulti_disable(struct rte_eth_dev *dev);
+static int ice_allmulti_enable(struct rte_eth_dev *dev);
+static int ice_allmulti_disable(struct rte_eth_dev *dev);
 static int ice_vlan_filter_set(struct rte_eth_dev *dev,
                               uint16_t vlan_id,
                               int on);
@@ -3152,7 +3152,7 @@ ice_promisc_disable(struct rte_eth_dev *dev)
        return ret;
 }
 
-static void
+static int
 ice_allmulti_enable(struct rte_eth_dev *dev)
 {
        struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
@@ -3160,15 +3160,26 @@ ice_allmulti_enable(struct rte_eth_dev *dev)
        struct ice_vsi *vsi = pf->main_vsi;
        enum ice_status status;
        uint8_t pmask;
+       int ret = 0;
 
        pmask = ICE_PROMISC_MCAST_RX | ICE_PROMISC_MCAST_TX;
 
        status = ice_set_vsi_promisc(hw, vsi->idx, pmask, 0);
-       if (status != ICE_SUCCESS)
+
+       switch (status) {
+       case ICE_ERR_ALREADY_EXISTS:
+               PMD_DRV_LOG(DEBUG, "Allmulti has already been enabled");
+       case ICE_SUCCESS:
+               break;
+       default:
                PMD_DRV_LOG(ERR, "Failed to enable allmulti, err=%d", status);
+               ret = -EAGAIN;
+       }
+
+       return ret;
 }
 
-static void
+static int
 ice_allmulti_disable(struct rte_eth_dev *dev)
 {
        struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
@@ -3176,15 +3187,20 @@ ice_allmulti_disable(struct rte_eth_dev *dev)
        struct ice_vsi *vsi = pf->main_vsi;
        enum ice_status status;
        uint8_t pmask;
+       int ret = 0;
 
        if (dev->data->promiscuous == 1)
-               return; /* must remain in all_multicast mode */
+               return 0; /* must remain in all_multicast mode */
 
        pmask = ICE_PROMISC_MCAST_RX | ICE_PROMISC_MCAST_TX;
 
        status = ice_clear_vsi_promisc(hw, vsi->idx, pmask, 0);
-       if (status != ICE_SUCCESS)
+       if (status != ICE_SUCCESS) {
                PMD_DRV_LOG(ERR, "Failed to clear allmulti, err=%d", status);
+               ret = -EAGAIN;
+       }
+
+       return ret;
 }
 

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