Reset a NIC by calling dev_uninit and then dev_init.
Go through same way in NIC PCI remove without release of
ethdev resource and then NIC PCI probe function without
ethdev resource allocation.
Signed-off-by: Wei Dai <wei....@intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 38 ++++++++++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index ebc5467..5ff8fbe 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -170,6 +170,7 @@ static void ixgbe_dev_stop(struct rte_eth_dev *dev);
static int ixgbe_dev_set_link_up(struct rte_eth_dev *dev);
static int ixgbe_dev_set_link_down(struct rte_eth_dev *dev);
static void ixgbe_dev_close(struct rte_eth_dev *dev);
+static int ixgbe_dev_reset(struct rte_eth_dev *dev);
static void ixgbe_dev_promiscuous_enable(struct rte_eth_dev *dev);
static void ixgbe_dev_promiscuous_disable(struct rte_eth_dev *dev);
static void ixgbe_dev_allmulticast_enable(struct rte_eth_dev *dev);
@@ -264,6 +265,7 @@ static int ixgbevf_dev_configure(struct rte_eth_dev *dev);
static int ixgbevf_dev_start(struct rte_eth_dev *dev);
static void ixgbevf_dev_stop(struct rte_eth_dev *dev);
static void ixgbevf_dev_close(struct rte_eth_dev *dev);
+static int ixgbevf_dev_reset(struct rte_eth_dev *dev);
static void ixgbevf_intr_disable(struct ixgbe_hw *hw);
static void ixgbevf_intr_enable(struct ixgbe_hw *hw);
static void ixgbevf_dev_stats_get(struct rte_eth_dev *dev,
@@ -525,6 +527,7 @@ static const struct eth_dev_ops ixgbe_eth_dev_ops = {
.dev_set_link_up = ixgbe_dev_set_link_up,
.dev_set_link_down = ixgbe_dev_set_link_down,
.dev_close = ixgbe_dev_close,
+ .dev_reset = ixgbe_dev_reset,
.promiscuous_enable = ixgbe_dev_promiscuous_enable,
.promiscuous_disable = ixgbe_dev_promiscuous_disable,
.allmulticast_enable = ixgbe_dev_allmulticast_enable,
@@ -614,6 +617,7 @@ static const struct eth_dev_ops ixgbevf_eth_dev_ops = {
.xstats_reset = ixgbevf_dev_stats_reset,
.xstats_get_names = ixgbevf_dev_xstats_get_names,
.dev_close = ixgbevf_dev_close,
+ .dev_reset = ixgbevf_dev_reset,
.allmulticast_enable = ixgbevf_dev_allmulticast_enable,
.allmulticast_disable = ixgbevf_dev_allmulticast_disable,
.dev_infos_get = ixgbevf_dev_info_get,
@@ -2838,6 +2842,23 @@ ixgbe_dev_close(struct rte_eth_dev *dev)
ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
}
+/*
+ * Reest PF device.
+ */
+static int
+ixgbe_dev_reset(struct rte_eth_dev *dev)
+{
+ int ret;
+
+ ret = eth_ixgbe_dev_uninit(dev);
+ if (ret)
+ return ret;
+
+ ret = eth_ixgbe_dev_init(dev);
+
+ return ret;
+}
+
static void
ixgbe_read_stats_registers(struct ixgbe_hw *hw,
struct ixgbe_hw_stats *hw_stats,
@@ -4902,6 +4923,23 @@ ixgbevf_dev_close(struct rte_eth_dev *dev)
ixgbevf_remove_mac_addr(dev, 0);
}
+/*
+ * Reset VF device
+ */
+static int
+ixgbevf_dev_reset(struct rte_eth_dev *dev)
+{
+ int ret;
+
+ ret = eth_ixgbevf_dev_uninit(dev);
+ if (ret)
+ return ret;
+
+ ret = eth_ixgbevf_dev_init(dev);
+
+ return ret;
+}
+
static void ixgbevf_set_vfta_all(struct rte_eth_dev *dev, bool on)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
--
2.9.3
