/**
* ixgbe_init_interrupt_scheme - Determine proper interrupt scheme
* @adapter: board private structure to initialize
*
* We determine which interrupt scheme to use based on...
* - Kernel support (MSI, MSI-X)
* - which can be user-defined (via MODULE_PARAM)
* - Hardware queue count (num_*_queues)
* - defined by miscellaneous hardware support/features (RSS, etc.)
**/
int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter)
{
int err;
/* Number of supported queues */
ixgbe_set_num_queues(adapter);
/* Set interrupt mode */
ixgbe_set_interrupt_capability(adapter);
err = ixgbe_alloc_q_vectors(adapter);
if (err) {
e_dev_err("Unable to allocate memory for queue vectors\n");
goto err_alloc_q_vectors;
}
ixgbe_cache_ring_register(adapter);
e_dev_info("Multiqueue %s: Rx Queue count = %u, Tx Queue count = %u\n",
(adapter->num_rx_queues > 1) ? "Enabled" : "Disabled",
adapter->num_rx_queues, adapter->num_tx_queues);
set_bit(__IXGBE_DOWN, &adapter->state);
return 0;
err_alloc_q_vectors:
ixgbe_reset_interrupt_capability(adapter);
return err;
}
/**
* ixgbe_ptp_init
* @adapter - the ixgbe private adapter structure
*
* This function performs the required steps for enabling ptp
* support. If ptp support has already been loaded it simply calls the
* cyclecounter init routine and exits.
*/
void ixgbe_ptp_init(struct ixgbe_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
switch (adapter->hw.mac.type) {
case ixgbe_mac_X540:
snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr);
adapter->ptp_caps.owner = THIS_MODULE;
adapter->ptp_caps.max_adj = 250000000;
adapter->ptp_caps.n_alarm = 0;
adapter->ptp_caps.n_ext_ts = 0;
adapter->ptp_caps.n_per_out = 0;
adapter->ptp_caps.pps = 1;
adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq;
adapter->ptp_caps.adjtime = ixgbe_ptp_adjtime;
adapter->ptp_caps.gettime = ixgbe_ptp_gettime;
adapter->ptp_caps.settime = ixgbe_ptp_settime;
adapter->ptp_caps.enable = ixgbe_ptp_enable;
break;
case ixgbe_mac_82599EB:
snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr);
adapter->ptp_caps.owner = THIS_MODULE;
adapter->ptp_caps.max_adj = 250000000;
adapter->ptp_caps.n_alarm = 0;
adapter->ptp_caps.n_ext_ts = 0;
adapter->ptp_caps.n_per_out = 0;
adapter->ptp_caps.pps = 0;
adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq;
adapter->ptp_caps.adjtime = ixgbe_ptp_adjtime;
adapter->ptp_caps.gettime = ixgbe_ptp_gettime;
adapter->ptp_caps.settime = ixgbe_ptp_settime;
adapter->ptp_caps.enable = ixgbe_ptp_enable;
break;
default:
adapter->ptp_clock = NULL;
return;
}
spin_lock_init(&adapter->tmreg_lock);
ixgbe_ptp_start_cyclecounter(adapter);
/* (Re)start the overflow check */
adapter->flags2 |= IXGBE_FLAG2_OVERFLOW_CHECK_ENABLED;
adapter->ptp_clock = ptp_clock_register(&adapter->ptp_caps);
if (IS_ERR(adapter->ptp_clock)) {
adapter->ptp_clock = NULL;
e_dev_err("ptp_clock_register failed\n");
} else
e_dev_info("registered PHC device on %s\n", netdev->name);
return;
}
static void ixgbe_remove_adapter(struct ixgbe_hw *hw)
{
struct ixgbe_adapter *adapter = hw->back;
if (!hw->hw_addr)
return;
hw->hw_addr = NULL;
e_dev_err("Adapter removed\n");
if (test_bit(__IXGBE_SERVICE_INITED, &adapter->state))
ixgbe_service_event_schedule(adapter);
}
/**
* ixgbe_dbg_adapter_init - setup the debugfs directory for the adapter
* @adapter: the adapter that is starting up
**/
void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter)
{
const char *name = pci_name(adapter->pdev);
struct dentry *pfile;
adapter->ixgbe_dbg_adapter = debugfs_create_dir(name, ixgbe_dbg_root);
if (adapter->ixgbe_dbg_adapter) {
pfile = debugfs_create_file("reg_ops", 0600,
adapter->ixgbe_dbg_adapter, adapter,
&ixgbe_dbg_reg_ops_fops);
if (!pfile)
e_dev_err("debugfs reg_ops for %s failed\n", name);
pfile = debugfs_create_file("netdev_ops", 0600,
adapter->ixgbe_dbg_adapter, adapter,
&ixgbe_dbg_netdev_ops_fops);
if (!pfile)
e_dev_err("debugfs netdev_ops for %s failed\n", name);
} else {
e_dev_err("debugfs entry for %s failed\n", name);
}
}
static long ixgbe_ptp_create_clock(struct ixgbe_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
long err;
/* do nothing if we already have a clock device */
if (!IS_ERR_OR_NULL(adapter->ptp_clock))
return 0;
switch (adapter->hw.mac.type) {
case ixgbe_mac_X540:
snprintf(adapter->ptp_caps.name,
sizeof(adapter->ptp_caps.name),
"%s", netdev->name);
adapter->ptp_caps.owner = THIS_MODULE;
adapter->ptp_caps.max_adj = 250000000;
adapter->ptp_caps.n_alarm = 0;
adapter->ptp_caps.n_ext_ts = 0;
adapter->ptp_caps.n_per_out = 0;
adapter->ptp_caps.pps = 1;
adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq_82599;
adapter->ptp_caps.adjtime = ixgbe_ptp_adjtime_82599;
adapter->ptp_caps.gettime = ixgbe_ptp_gettime_82599;
adapter->ptp_caps.settime = ixgbe_ptp_settime_82599;
adapter->ptp_caps.enable = ixgbe_ptp_feature_enable;
adapter->ptp_setup_sdp = ixgbe_ptp_setup_sdp_X540;
break;
case ixgbe_mac_82599EB:
snprintf(adapter->ptp_caps.name,
sizeof(adapter->ptp_caps.name),
"%s", netdev->name);
adapter->ptp_caps.owner = THIS_MODULE;
adapter->ptp_caps.max_adj = 250000000;
adapter->ptp_caps.n_alarm = 0;
adapter->ptp_caps.n_ext_ts = 0;
adapter->ptp_caps.n_per_out = 0;
adapter->ptp_caps.pps = 0;
adapter->ptp_caps.adjfreq = ixgbe_ptp_adjfreq_82599;
adapter->ptp_caps.adjtime = ixgbe_ptp_adjtime_82599;
adapter->ptp_caps.gettime = ixgbe_ptp_gettime_82599;
adapter->ptp_caps.settime = ixgbe_ptp_settime_82599;
adapter->ptp_caps.enable = ixgbe_ptp_feature_enable;
break;
default:
adapter->ptp_clock = NULL;
adapter->ptp_setup_sdp = NULL;
return -EOPNOTSUPP;
}
adapter->ptp_clock = ptp_clock_register(&adapter->ptp_caps,
pci_dev_to_dev(adapter->pdev));
if (IS_ERR(adapter->ptp_clock)) {
err = PTR_ERR(adapter->ptp_clock);
adapter->ptp_clock = NULL;
e_dev_err("ptp_clock_register failed\n");
return err;
} else
e_dev_info("registered PHC device on %s\n", netdev->name);
/* Set the default timestamp mode to disabled here. We do this in
* create_clock instead of initialization, because we don't want to
* override the previous settings during a suspend/resume cycle.
*/
adapter->tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE;
adapter->tstamp_config.tx_type = HWTSTAMP_TX_OFF;
return 0;
}
