ethdev: add return value to stats get dev op

[dpdk.git] / drivers / net / e1000 / igb_ethdev.c

diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c
index 040dd9f..f3b1d70 100644 (file)
--- a/drivers/net/e1000/igb_ethdev.c
+++ b/drivers/net/e1000/igb_ethdev.c
@@ -112,7 +112,7 @@ static void eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
 static void eth_igb_allmulticast_disable(struct rte_eth_dev *dev);
 static int  eth_igb_link_update(struct rte_eth_dev *dev,
                                int wait_to_complete);
-static void eth_igb_stats_get(struct rte_eth_dev *dev,
+static int eth_igb_stats_get(struct rte_eth_dev *dev,
                                struct rte_eth_stats *rte_stats);
 static int eth_igb_xstats_get(struct rte_eth_dev *dev,
                              struct rte_eth_xstat *xstats, unsigned n);
@@ -188,7 +188,7 @@ static void igbvf_promiscuous_disable(struct rte_eth_dev *dev);
 static void igbvf_allmulticast_enable(struct rte_eth_dev *dev);
 static void igbvf_allmulticast_disable(struct rte_eth_dev *dev);
 static int eth_igbvf_link_update(struct e1000_hw *hw);
-static void eth_igbvf_stats_get(struct rte_eth_dev *dev,
+static int eth_igbvf_stats_get(struct rte_eth_dev *dev,
                                struct rte_eth_stats *rte_stats);
 static int eth_igbvf_xstats_get(struct rte_eth_dev *dev,
                                struct rte_eth_xstat *xstats, unsigned n);
@@ -1830,7 +1830,7 @@ igb_read_stats_registers(struct e1000_hw *hw, struct e1000_hw_stats *stats)
        stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
 }
 
-static void
+static int
 eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
 {
        struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -1840,7 +1840,7 @@ eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
        igb_read_stats_registers(hw, stats);
 
        if (rte_stats == NULL)
-               return;
+               return -EINVAL;
 
        /* Rx Errors */
        rte_stats->imissed = stats->mpc;
@@ -1855,6 +1855,7 @@ eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
        rte_stats->opackets = stats->gptc;
        rte_stats->ibytes   = stats->gorc;
        rte_stats->obytes   = stats->gotc;
+       return 0;
 }
 
 static void
@@ -2095,7 +2096,7 @@ eth_igbvf_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
        return IGBVF_NB_XSTATS;
 }
 
-static void
+static int
 eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
 {
        struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -2105,12 +2106,13 @@ eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
        igbvf_read_stats_registers(hw, hw_stats);
 
        if (rte_stats == NULL)
-               return;
+               return -EINVAL;
 
        rte_stats->ipackets = hw_stats->gprc;
        rte_stats->ibytes = hw_stats->gorc;
        rte_stats->opackets = hw_stats->gptc;
        rte_stats->obytes = hw_stats->gotc;
+       return 0;
 }
 
 static void