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 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 --- 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; }