struct rte_eth_dev_info *dev_info);
static int eth_igb_flow_ctrl_set(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
-static int eth_igb_interrupt_setup(struct rte_eth_dev *dev);
+static int eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev);
static int eth_igb_interrupt_get_status(struct rte_eth_dev *dev);
static int eth_igb_interrupt_action(struct rte_eth_dev *dev);
static void eth_igb_interrupt_handler(struct rte_intr_handle *handle,
return 0;
}
+static inline void
+igb_intr_enable(struct rte_eth_dev *dev)
+{
+ struct e1000_interrupt *intr =
+ E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+ struct e1000_hw *hw =
+ E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ E1000_WRITE_REG(hw, E1000_IMS, intr->mask);
+ E1000_WRITE_FLUSH(hw);
+}
+
+static void
+igb_intr_disable(struct e1000_hw *hw)
+{
+ E1000_WRITE_REG(hw, E1000_IMC, ~0);
+ E1000_WRITE_FLUSH(hw);
+}
+
static void
igb_identify_hardware(struct rte_eth_dev *dev)
{
rte_intr_callback_register(&(pci_dev->intr_handle),
eth_igb_interrupt_handler, (void *)eth_dev);
+ /* enable uio intr after callback register */
+ rte_intr_enable(&(pci_dev->intr_handle));
+
+ /* enable support intr */
+ igb_intr_enable(eth_dev);
+
return 0;
err_late:
PMD_INIT_LOG(DEBUG, ">>");
- igb_intr_disable(hw);
-
/* Power up the phy. Needed to make the link go Up */
e1000_power_up_phy(hw);
e1000_setup_link(hw);
/* check if lsc interrupt feature is enabled */
- if (dev->data->dev_conf.intr_conf.lsc != 0) {
- ret = eth_igb_interrupt_setup(dev);
- if (ret) {
- PMD_INIT_LOG(ERR, "Unable to setup interrupts");
- igb_dev_clear_queues(dev);
- return ret;
- }
- }
+ if (dev->data->dev_conf.intr_conf.lsc != 0)
+ ret = eth_igb_lsc_interrupt_setup(dev);
+
+ /* resume enabled intr since hw reset */
+ igb_intr_enable(dev);
PMD_INIT_LOG(DEBUG, "<<");
}
}
-static void
-igb_intr_disable(struct e1000_hw *hw)
-{
- E1000_WRITE_REG(hw, E1000_IMC, ~0);
- E1000_WRITE_FLUSH(hw);
-}
/**
* It enables the interrupt mask and then enable the interrupt.
* - On failure, a negative value.
*/
static int
-eth_igb_interrupt_setup(struct rte_eth_dev *dev)
+eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev)
{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct e1000_interrupt *intr =
+ E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
- E1000_WRITE_REG(hw, E1000_IMS, E1000_ICR_LSC);
- E1000_WRITE_FLUSH(hw);
- rte_intr_enable(&(dev->pci_dev->intr_handle));
+ intr->mask |= E1000_ICR_LSC;
return 0;
}
struct e1000_interrupt *intr =
E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+ igb_intr_disable(hw);
+
/* read-on-clear nic registers here */
icr = E1000_READ_REG(hw, E1000_ICR);
+
+ intr->flags = 0;
if (icr & E1000_ICR_LSC) {
intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
}
struct rte_eth_link link;
int ret;
- if (!(intr->flags & E1000_FLAG_NEED_LINK_UPDATE))
- return -1;
- intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
+ igb_intr_enable(dev);
rte_intr_enable(&(dev->pci_dev->intr_handle));
- /* set get_link_status to check register later */
- hw->mac.get_link_status = 1;
- ret = eth_igb_link_update(dev, 0);
-
- /* check if link has changed */
- if (ret < 0)
- return 0;
-
- memset(&link, 0, sizeof(link));
- rte_igb_dev_atomic_read_link_status(dev, &link);
- if (link.link_status) {
- PMD_INIT_LOG(INFO,
- " Port %d: Link Up - speed %u Mbps - %s\n",
- dev->data->port_id, (unsigned)link.link_speed,
- link.link_duplex == ETH_LINK_FULL_DUPLEX ?
- "full-duplex" : "half-duplex");
- } else {
- PMD_INIT_LOG(INFO, " Port %d: Link Down\n",
- dev->data->port_id);
- }
- PMD_INIT_LOG(INFO, "PCI Address: %04d:%02d:%02d:%d",
- dev->pci_dev->addr.domain,
- dev->pci_dev->addr.bus,
- dev->pci_dev->addr.devid,
- dev->pci_dev->addr.function);
- tctl = E1000_READ_REG(hw, E1000_TCTL);
- rctl = E1000_READ_REG(hw, E1000_RCTL);
- if (link.link_status) {
- /* enable Tx/Rx */
- tctl |= E1000_TCTL_EN;
- rctl |= E1000_RCTL_EN;
- } else {
- /* disable Tx/Rx */
- tctl &= ~E1000_TCTL_EN;
- rctl &= ~E1000_RCTL_EN;
+ if (intr->flags & E1000_FLAG_NEED_LINK_UPDATE) {
+ intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
+
+ /* set get_link_status to check register later */
+ hw->mac.get_link_status = 1;
+ ret = eth_igb_link_update(dev, 0);
+
+ /* check if link has changed */
+ if (ret < 0)
+ return 0;
+
+ memset(&link, 0, sizeof(link));
+ rte_igb_dev_atomic_read_link_status(dev, &link);
+ if (link.link_status) {
+ PMD_INIT_LOG(INFO,
+ " Port %d: Link Up - speed %u Mbps - %s\n",
+ dev->data->port_id, (unsigned)link.link_speed,
+ link.link_duplex == ETH_LINK_FULL_DUPLEX ?
+ "full-duplex" : "half-duplex");
+ } else {
+ PMD_INIT_LOG(INFO, " Port %d: Link Down\n",
+ dev->data->port_id);
+ }
+ PMD_INIT_LOG(INFO, "PCI Address: %04d:%02d:%02d:%d",
+ dev->pci_dev->addr.domain,
+ dev->pci_dev->addr.bus,
+ dev->pci_dev->addr.devid,
+ dev->pci_dev->addr.function);
+ tctl = E1000_READ_REG(hw, E1000_TCTL);
+ rctl = E1000_READ_REG(hw, E1000_RCTL);
+ if (link.link_status) {
+ /* enable Tx/Rx */
+ tctl |= E1000_TCTL_EN;
+ rctl |= E1000_RCTL_EN;
+ } else {
+ /* disable Tx/Rx */
+ tctl &= ~E1000_TCTL_EN;
+ rctl &= ~E1000_RCTL_EN;
+ }
+ E1000_WRITE_REG(hw, E1000_TCTL, tctl);
+ E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+ E1000_WRITE_FLUSH(hw);
+ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC);
}
- E1000_WRITE_REG(hw, E1000_TCTL, tctl);
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
- E1000_WRITE_FLUSH(hw);
return 0;
}
eth_igb_interrupt_get_status(dev);
eth_igb_interrupt_action(dev);
- _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC);
}
static int
PMD_INIT_LOG(DEBUG, "igbvf_intr_disable");
/* Clear interrupt mask to stop from interrupts being generated */
- E1000_WRITE_REG(hw, E1000_EIMC, ~0);
+ E1000_WRITE_REG(hw, E1000_EIMC, 0xFFFF);
E1000_WRITE_FLUSH(hw);
}
eth_igb_infos_get(dev, &dev_info);
/* Clear interrupt mask to stop from interrupts being generated */
- E1000_WRITE_REG(hw, E1000_EIMC, ~0);
+ igbvf_intr_disable(hw);
/* Clear any pending interrupts, flush previous writes */
E1000_READ_REG(hw, E1000_EICR);
static int
igbvf_dev_start(struct rte_eth_dev *dev)
{
+ struct e1000_hw *hw =
+ E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
int ret;
PMD_INIT_LOG(DEBUG, "igbvf_dev_start");
+ hw->mac.ops.reset_hw(hw);
+
/* Set all vfta */
igbvf_set_vfta_all(dev,1);
git.droids-corp.org / dpdk.git / blobdiff