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From patchwork Fri Mar 9 08:42:23 2018
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [dpdk-dev, v3,
07/18] net/axgbe: add interrupt handler for autonegotiation
From: Ravi Kumar <ravi1.kumar@amd.com>
X-Patchwork-Id: 35826
X-Patchwork-Delegate: ferruh.yigit@intel.com
Message-Id: <1520584954-130575-7-git-send-email-Ravi1.kumar@amd.com>
List-Id: dev.dpdk.org
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com
Date: Fri, 9 Mar 2018 03:42:23 -0500
Signed-off-by: Ravi Kumar <Ravi1.kumar@amd.com>
---
drivers/net/axgbe/axgbe_ethdev.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index 0dc424d..daea0b2 100644
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -131,6 +131,7 @@
static int eth_axgbe_dev_init(struct rte_eth_dev *eth_dev);
static int eth_axgbe_dev_uninit(struct rte_eth_dev *eth_dev);
+static void axgbe_dev_interrupt_handler(void *param);
/* The set of PCI devices this driver supports */
#define AMD_PCI_VENDOR_ID 0x1022
@@ -168,6 +169,30 @@ static struct axgbe_version_data axgbe_v2b = {
.i2c_support = 1,
};
+/*
+ * Interrupt handler triggered by NIC for handling
+ * specific interrupt.
+ *
+ * @param handle
+ * Pointer to interrupt handle.
+ * @param param
+ * The address of parameter (struct rte_eth_dev *) regsitered before.
+ *
+ * @return
+ * void
+ */
+static void
+axgbe_dev_interrupt_handler(void *param)
+{
+ struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+ struct axgbe_port *pdata = dev->data->dev_private;
+
+ pdata->phy_if.an_isr(pdata);
+
+ /* Enable interrupts since disabled after generation*/
+ rte_intr_enable(&pdata->pci_dev->intr_handle);
+}
+
static void axgbe_get_all_hw_features(struct axgbe_port *pdata)
{
unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
@@ -469,6 +494,9 @@ eth_axgbe_dev_init(struct rte_eth_dev *eth_dev)
return ret;
}
+ rte_intr_callback_register(&pci_dev->intr_handle,
+ axgbe_dev_interrupt_handler,
+ (void *)eth_dev);
PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x",
eth_dev->data->port_id, pci_dev->id.vendor_id,
pci_dev->id.device_id);
@@ -479,15 +507,24 @@ eth_axgbe_dev_init(struct rte_eth_dev *eth_dev)
static int
eth_axgbe_dev_uninit(struct rte_eth_dev *eth_dev)
{
+ struct rte_pci_device *pci_dev;
+
PMD_INIT_FUNC_TRACE();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
+ pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
/*Free macaddres*/
rte_free(eth_dev->data->mac_addrs);
eth_dev->data->mac_addrs = NULL;
+ /* disable uio intr before callback unregister */
+ rte_intr_disable(&pci_dev->intr_handle);
+ rte_intr_callback_unregister(&pci_dev->intr_handle,
+ axgbe_dev_interrupt_handler,
+ (void *)eth_dev);
+
return 0;
}
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