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path: root/drivers/net/ethernet/intel/ice/ice_main.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_main.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_main.c237
1 files changed, 172 insertions, 65 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 88d4675cc3..55a42aad92 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -13,7 +13,8 @@
#include "ice_fltr.h"
#include "ice_dcb_lib.h"
#include "ice_dcb_nl.h"
-#include "ice_devlink.h"
+#include "devlink/devlink.h"
+#include "devlink/devlink_port.h"
#include "ice_hwmon.h"
/* Including ice_trace.h with CREATE_TRACE_POINTS defined will generate the
* ice tracepoint functions. This must be done exactly once across the
@@ -36,6 +37,7 @@ static const char ice_copyright[] = "Copyright (c) 2018, Intel Corporation.";
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
MODULE_DESCRIPTION(DRV_SUMMARY);
+MODULE_IMPORT_NS(LIBIE);
MODULE_LICENSE("GPL v2");
MODULE_FIRMWARE(ICE_DDP_PKG_FILE);
@@ -1748,6 +1750,39 @@ static void ice_service_timer(struct timer_list *t)
}
/**
+ * ice_mdd_maybe_reset_vf - reset VF after MDD event
+ * @pf: pointer to the PF structure
+ * @vf: pointer to the VF structure
+ * @reset_vf_tx: whether Tx MDD has occurred
+ * @reset_vf_rx: whether Rx MDD has occurred
+ *
+ * Since the queue can get stuck on VF MDD events, the PF can be configured to
+ * automatically reset the VF by enabling the private ethtool flag
+ * mdd-auto-reset-vf.
+ */
+static void ice_mdd_maybe_reset_vf(struct ice_pf *pf, struct ice_vf *vf,
+ bool reset_vf_tx, bool reset_vf_rx)
+{
+ struct device *dev = ice_pf_to_dev(pf);
+
+ if (!test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags))
+ return;
+
+ /* VF MDD event counters will be cleared by reset, so print the event
+ * prior to reset.
+ */
+ if (reset_vf_tx)
+ ice_print_vf_tx_mdd_event(vf);
+
+ if (reset_vf_rx)
+ ice_print_vf_rx_mdd_event(vf);
+
+ dev_info(dev, "PF-to-VF reset on PF %d VF %d due to MDD event\n",
+ pf->hw.pf_id, vf->vf_id);
+ ice_reset_vf(vf, ICE_VF_RESET_NOTIFY | ICE_VF_RESET_LOCK);
+}
+
+/**
* ice_handle_mdd_event - handle malicious driver detect event
* @pf: pointer to the PF structure
*
@@ -1840,6 +1875,8 @@ static void ice_handle_mdd_event(struct ice_pf *pf)
*/
mutex_lock(&pf->vfs.table_lock);
ice_for_each_vf(pf, bkt, vf) {
+ bool reset_vf_tx = false, reset_vf_rx = false;
+
reg = rd32(hw, VP_MDET_TX_PQM(vf->vf_id));
if (reg & VP_MDET_TX_PQM_VALID_M) {
wr32(hw, VP_MDET_TX_PQM(vf->vf_id), 0xFFFF);
@@ -1848,6 +1885,8 @@ static void ice_handle_mdd_event(struct ice_pf *pf)
if (netif_msg_tx_err(pf))
dev_info(dev, "Malicious Driver Detection event TX_PQM detected on VF %d\n",
vf->vf_id);
+
+ reset_vf_tx = true;
}
reg = rd32(hw, VP_MDET_TX_TCLAN(vf->vf_id));
@@ -1858,6 +1897,8 @@ static void ice_handle_mdd_event(struct ice_pf *pf)
if (netif_msg_tx_err(pf))
dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on VF %d\n",
vf->vf_id);
+
+ reset_vf_tx = true;
}
reg = rd32(hw, VP_MDET_TX_TDPU(vf->vf_id));
@@ -1868,6 +1909,8 @@ static void ice_handle_mdd_event(struct ice_pf *pf)
if (netif_msg_tx_err(pf))
dev_info(dev, "Malicious Driver Detection event TX_TDPU detected on VF %d\n",
vf->vf_id);
+
+ reset_vf_tx = true;
}
reg = rd32(hw, VP_MDET_RX(vf->vf_id));
@@ -1879,18 +1922,12 @@ static void ice_handle_mdd_event(struct ice_pf *pf)
dev_info(dev, "Malicious Driver Detection event RX detected on VF %d\n",
vf->vf_id);
- /* Since the queue is disabled on VF Rx MDD events, the
- * PF can be configured to reset the VF through ethtool
- * private flag mdd-auto-reset-vf.
- */
- if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)) {
- /* VF MDD event counters will be cleared by
- * reset, so print the event prior to reset.
- */
- ice_print_vf_rx_mdd_event(vf);
- ice_reset_vf(vf, ICE_VF_RESET_LOCK);
- }
+ reset_vf_rx = true;
}
+
+ if (reset_vf_tx || reset_vf_rx)
+ ice_mdd_maybe_reset_vf(pf, vf, reset_vf_tx,
+ reset_vf_rx);
}
mutex_unlock(&pf->vfs.table_lock);
@@ -3671,7 +3708,7 @@ ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
struct ice_vsi_cfg_params params = {};
params.type = ICE_VSI_PF;
- params.pi = pi;
+ params.port_info = pi;
params.flags = ICE_VSI_FLAG_INIT;
return ice_vsi_setup(pf, &params);
@@ -3684,7 +3721,7 @@ ice_chnl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
struct ice_vsi_cfg_params params = {};
params.type = ICE_VSI_CHNL;
- params.pi = pi;
+ params.port_info = pi;
params.ch = ch;
params.flags = ICE_VSI_FLAG_INIT;
@@ -3705,7 +3742,7 @@ ice_ctrl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
struct ice_vsi_cfg_params params = {};
params.type = ICE_VSI_CTRL;
- params.pi = pi;
+ params.port_info = pi;
params.flags = ICE_VSI_FLAG_INIT;
return ice_vsi_setup(pf, &params);
@@ -3725,7 +3762,7 @@ ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
struct ice_vsi_cfg_params params = {};
params.type = ICE_VSI_LB;
- params.pi = pi;
+ params.port_info = pi;
params.flags = ICE_VSI_FLAG_INIT;
return ice_vsi_setup(pf, &params);
@@ -4448,11 +4485,13 @@ static char *ice_get_opt_fw_name(struct ice_pf *pf)
/**
* ice_request_fw - Device initialization routine
* @pf: pointer to the PF instance
+ * @firmware: double pointer to firmware struct
+ *
+ * Return: zero when successful, negative values otherwise.
*/
-static void ice_request_fw(struct ice_pf *pf)
+static int ice_request_fw(struct ice_pf *pf, const struct firmware **firmware)
{
char *opt_fw_filename = ice_get_opt_fw_name(pf);
- const struct firmware *firmware = NULL;
struct device *dev = ice_pf_to_dev(pf);
int err = 0;
@@ -4461,29 +4500,95 @@ static void ice_request_fw(struct ice_pf *pf)
* and warning messages for other errors.
*/
if (opt_fw_filename) {
- err = firmware_request_nowarn(&firmware, opt_fw_filename, dev);
- if (err) {
- kfree(opt_fw_filename);
- goto dflt_pkg_load;
- }
-
- /* request for firmware was successful. Download to device */
- ice_load_pkg(firmware, pf);
+ err = firmware_request_nowarn(firmware, opt_fw_filename, dev);
kfree(opt_fw_filename);
- release_firmware(firmware);
- return;
+ if (!err)
+ return err;
+ }
+ err = request_firmware(firmware, ICE_DDP_PKG_FILE, dev);
+ if (err)
+ dev_err(dev, "The DDP package file was not found or could not be read. Entering Safe Mode\n");
+
+ return err;
+}
+
+/**
+ * ice_init_tx_topology - performs Tx topology initialization
+ * @hw: pointer to the hardware structure
+ * @firmware: pointer to firmware structure
+ *
+ * Return: zero when init was successful, negative values otherwise.
+ */
+static int
+ice_init_tx_topology(struct ice_hw *hw, const struct firmware *firmware)
+{
+ u8 num_tx_sched_layers = hw->num_tx_sched_layers;
+ struct ice_pf *pf = hw->back;
+ struct device *dev;
+ u8 *buf_copy;
+ int err;
+
+ dev = ice_pf_to_dev(pf);
+ /* ice_cfg_tx_topo buf argument is not a constant,
+ * so we have to make a copy
+ */
+ buf_copy = kmemdup(firmware->data, firmware->size, GFP_KERNEL);
+
+ err = ice_cfg_tx_topo(hw, buf_copy, firmware->size);
+ if (!err) {
+ if (hw->num_tx_sched_layers > num_tx_sched_layers)
+ dev_info(dev, "Tx scheduling layers switching feature disabled\n");
+ else
+ dev_info(dev, "Tx scheduling layers switching feature enabled\n");
+ /* if there was a change in topology ice_cfg_tx_topo triggered
+ * a CORER and we need to re-init hw
+ */
+ ice_deinit_hw(hw);
+ err = ice_init_hw(hw);
+
+ return err;
+ } else if (err == -EIO) {
+ dev_info(dev, "DDP package does not support Tx scheduling layers switching feature - please update to the latest DDP package and try again\n");
}
-dflt_pkg_load:
- err = request_firmware(&firmware, ICE_DDP_PKG_FILE, dev);
+ return 0;
+}
+
+/**
+ * ice_init_ddp_config - DDP related configuration
+ * @hw: pointer to the hardware structure
+ * @pf: pointer to pf structure
+ *
+ * This function loads DDP file from the disk, then initializes Tx
+ * topology. At the end DDP package is loaded on the card.
+ *
+ * Return: zero when init was successful, negative values otherwise.
+ */
+static int ice_init_ddp_config(struct ice_hw *hw, struct ice_pf *pf)
+{
+ struct device *dev = ice_pf_to_dev(pf);
+ const struct firmware *firmware = NULL;
+ int err;
+
+ err = ice_request_fw(pf, &firmware);
if (err) {
- dev_err(dev, "The DDP package file was not found or could not be read. Entering Safe Mode\n");
- return;
+ dev_err(dev, "Fail during requesting FW: %d\n", err);
+ return err;
}
- /* request for firmware was successful. Download to device */
+ err = ice_init_tx_topology(hw, firmware);
+ if (err) {
+ dev_err(dev, "Fail during initialization of Tx topology: %d\n",
+ err);
+ release_firmware(firmware);
+ return err;
+ }
+
+ /* Download firmware to device */
ice_load_pkg(firmware, pf);
release_firmware(firmware);
+
+ return 0;
}
/**
@@ -4656,9 +4761,11 @@ int ice_init_dev(struct ice_pf *pf)
ice_init_feature_support(pf);
- ice_request_fw(pf);
+ err = ice_init_ddp_config(hw, pf);
+ if (err)
+ return err;
- /* if ice_request_fw fails, ICE_FLAG_ADV_FEATURES bit won't be
+ /* if ice_init_ddp_config fails, ICE_FLAG_ADV_FEATURES bit won't be
* set in pf->state, which will cause ice_is_safe_mode to return
* true
*/
@@ -5124,6 +5231,7 @@ static int
ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
{
struct device *dev = &pdev->dev;
+ struct ice_adapter *adapter;
struct ice_pf *pf;
struct ice_hw *hw;
int err;
@@ -5176,7 +5284,12 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
pci_set_master(pdev);
+ adapter = ice_adapter_get(pdev);
+ if (IS_ERR(adapter))
+ return PTR_ERR(adapter);
+
pf->pdev = pdev;
+ pf->adapter = adapter;
pci_set_drvdata(pdev, pf);
set_bit(ICE_DOWN, pf->state);
/* Disable service task until DOWN bit is cleared */
@@ -5210,23 +5323,23 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
devl_lock(priv_to_devlink(pf));
err = ice_load(pf);
- devl_unlock(priv_to_devlink(pf));
if (err)
goto err_load;
err = ice_init_devlink(pf);
if (err)
goto err_init_devlink;
+ devl_unlock(priv_to_devlink(pf));
return 0;
err_init_devlink:
- devl_lock(priv_to_devlink(pf));
ice_unload(pf);
- devl_unlock(priv_to_devlink(pf));
err_load:
+ devl_unlock(priv_to_devlink(pf));
ice_deinit(pf);
err_init:
+ ice_adapter_put(pdev);
pci_disable_device(pdev);
return err;
}
@@ -5321,9 +5434,9 @@ static void ice_remove(struct pci_dev *pdev)
if (!ice_is_safe_mode(pf))
ice_remove_arfs(pf);
+ devl_lock(priv_to_devlink(pf));
ice_deinit_devlink(pf);
- devl_lock(priv_to_devlink(pf));
ice_unload(pf);
devl_unlock(priv_to_devlink(pf));
@@ -5333,6 +5446,7 @@ static void ice_remove(struct pci_dev *pdev)
ice_setup_mc_magic_wake(pf);
ice_set_wake(pf);
+ ice_adapter_put(pdev);
pci_disable_device(pdev);
}
@@ -5352,7 +5466,6 @@ static void ice_shutdown(struct pci_dev *pdev)
}
}
-#ifdef CONFIG_PM
/**
* ice_prepare_for_shutdown - prep for PCI shutdown
* @pf: board private structure
@@ -5441,7 +5554,7 @@ err_reinit:
* Power Management callback to quiesce the device and prepare
* for D3 transition.
*/
-static int __maybe_unused ice_suspend(struct device *dev)
+static int ice_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct ice_pf *pf;
@@ -5508,7 +5621,7 @@ static int __maybe_unused ice_suspend(struct device *dev)
* ice_resume - PM callback for waking up from D3
* @dev: generic device information structure
*/
-static int __maybe_unused ice_resume(struct device *dev)
+static int ice_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
enum ice_reset_req reset_type;
@@ -5564,7 +5677,6 @@ static int __maybe_unused ice_resume(struct device *dev)
return 0;
}
-#endif /* CONFIG_PM */
/**
* ice_pci_err_detected - warning that PCI error has been detected
@@ -5729,16 +5841,22 @@ static const struct pci_device_id ice_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E825C_QSFP), },
{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E825C_SFP), },
{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E825C_SGMII), },
- { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830_BACKPLANE) },
- { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830_QSFP56) },
- { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830_SFP) },
- { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830_SFP_DD) },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830CC_BACKPLANE) },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830CC_QSFP56) },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830CC_SFP) },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830CC_SFP_DD) },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830C_BACKPLANE), },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830_XXV_BACKPLANE), },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830C_QSFP), },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830_XXV_QSFP), },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830C_SFP), },
+ { PCI_VDEVICE(INTEL, ICE_DEV_ID_E830_XXV_SFP), },
/* required last entry */
{}
};
MODULE_DEVICE_TABLE(pci, ice_pci_tbl);
-static __maybe_unused SIMPLE_DEV_PM_OPS(ice_pm_ops, ice_suspend, ice_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(ice_pm_ops, ice_suspend, ice_resume);
static const struct pci_error_handlers ice_pci_err_handler = {
.error_detected = ice_pci_err_detected,
@@ -5753,9 +5871,7 @@ static struct pci_driver ice_driver = {
.id_table = ice_pci_tbl,
.probe = ice_probe,
.remove = ice_remove,
-#ifdef CONFIG_PM
- .driver.pm = &ice_pm_ops,
-#endif /* CONFIG_PM */
+ .driver.pm = pm_sleep_ptr(&ice_pm_ops),
.shutdown = ice_shutdown,
.sriov_configure = ice_sriov_configure,
.sriov_get_vf_total_msix = ice_sriov_get_vf_total_msix,
@@ -7091,13 +7207,11 @@ int ice_down(struct ice_vsi *vsi)
WARN_ON(!test_bit(ICE_VSI_DOWN, vsi->state));
- if (vsi->netdev && vsi->type == ICE_VSI_PF) {
+ if (vsi->netdev) {
vlan_err = ice_vsi_del_vlan_zero(vsi);
ice_ptp_link_change(vsi->back, vsi->back->hw.pf_id, false);
netif_carrier_off(vsi->netdev);
netif_tx_disable(vsi->netdev);
- } else if (vsi->type == ICE_VSI_SWITCHDEV_CTRL) {
- ice_eswitch_stop_all_tx_queues(vsi->back);
}
ice_vsi_dis_irq(vsi);
@@ -7580,11 +7694,7 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
goto err_vsi_rebuild;
}
- err = ice_eswitch_rebuild(pf);
- if (err) {
- dev_err(dev, "Switchdev rebuild failed: %d\n", err);
- goto err_vsi_rebuild;
- }
+ ice_eswitch_rebuild(pf);
if (reset_type == ICE_RESET_PFR) {
err = ice_rebuild_channels(pf);
@@ -7702,7 +7812,7 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
return -EBUSY;
}
- netdev->mtu = (unsigned int)new_mtu;
+ WRITE_ONCE(netdev->mtu, (unsigned int)new_mtu);
err = ice_down_up(vsi);
if (err)
return err;
@@ -8035,12 +8145,9 @@ ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
if (!br_spec)
return -EINVAL;
- nla_for_each_nested(attr, br_spec, rem) {
- __u16 mode;
+ nla_for_each_nested_type(attr, IFLA_BRIDGE_MODE, br_spec, rem) {
+ __u16 mode = nla_get_u16(attr);
- if (nla_type(attr) != IFLA_BRIDGE_MODE)
- continue;
- mode = nla_get_u16(attr);
if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB)
return -EINVAL;
/* Continue if bridge mode is not being flipped */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 13:00:09 +0000