[dpdk-dev] [PATCH 2/3] ixgbe: Implement the functionality of administrative link up and down in IXGBE PMD
Ouyang Changchun
changchun.ouyang at intel.com
Thu May 22 08:11:12 CEST 2014
This patch implements the functionality of administrative link up and down in IXGBE PMD.
Signed-off-by: Ouyang Changchun <changchun.ouyang at intel.com>
---
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 58 +++++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
index 76f09af..b6ffad0 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
@@ -98,6 +98,8 @@ static int eth_ixgbe_dev_init(struct eth_driver *eth_drv,
static int ixgbe_dev_configure(struct rte_eth_dev *dev);
static int ixgbe_dev_start(struct rte_eth_dev *dev);
static void ixgbe_dev_stop(struct rte_eth_dev *dev);
+static int ixgbe_dev_admin_link_up(struct rte_eth_dev *dev);
+static int ixgbe_dev_admin_link_down(struct rte_eth_dev *dev);
static void ixgbe_dev_close(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);
@@ -263,6 +265,8 @@ static struct eth_dev_ops ixgbe_eth_dev_ops = {
.dev_configure = ixgbe_dev_configure,
.dev_start = ixgbe_dev_start,
.dev_stop = ixgbe_dev_stop,
+ .dev_admin_link_up = ixgbe_dev_admin_link_up,
+ .dev_admin_link_down = ixgbe_dev_admin_link_down,
.dev_close = ixgbe_dev_close,
.promiscuous_enable = ixgbe_dev_promiscuous_enable,
.promiscuous_disable = ixgbe_dev_promiscuous_disable,
@@ -1487,6 +1491,60 @@ ixgbe_dev_stop(struct rte_eth_dev *dev)
}
/*
+ * Link up device administratively: enable tx laser.
+ */
+static int
+ixgbe_dev_admin_link_up(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw =
+ IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ if (hw->mac.type == ixgbe_mac_82599EB) {
+#ifdef RTE_NIC_BYPASS
+ if (hw->device_id == IXGBE_DEV_ID_82599_BYPASS) {
+ /* Not suported in bypass mode */
+ PMD_INIT_LOG(ERR, "\nAdmin link up is not supported by device id 0x%x\n",
+ hw->device_id);
+ return -ENOTSUP;
+ }
+#endif
+ /* Turn on the laser */
+ ixgbe_enable_tx_laser(hw);
+ return 0;
+ }
+
+ PMD_INIT_LOG(ERR, "\nAdmin link up is not supported by device id 0x%x\n",
+ hw->device_id);
+ return -ENOTSUP;
+}
+
+/*
+ * Link down device administratively: disable tx laser.
+ */
+static int
+ixgbe_dev_admin_link_down(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw =
+ IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ if (hw->mac.type == ixgbe_mac_82599EB) {
+#ifdef RTE_NIC_BYPASS
+ if (hw->device_id == IXGBE_DEV_ID_82599_BYPASS) {
+ /* Not suported in bypass mode */
+ PMD_INIT_LOG(ERR, "\nAdmin link down is not supported by device id 0x%x\n",
+ hw->device_id);
+ return -ENOTSUP;
+ }
+#endif
+ /* Turn off the laser */
+ ixgbe_disable_tx_laser(hw);
+ return 0;
+ }
+
+ PMD_INIT_LOG(ERR, "\nAdmin link down is not supported by device id 0x%x\n",
+ hw->device_id);
+ return -ENOTSUP;
+}
+
+/*
* Reest and stop device.
*/
static void
--
1.9.0
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