Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/gi…

…t/tnguy/next-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2024-02-12 (ice)

This series contains updates to ice driver only.

Grzegorz adds support for E825-C devices.

Wojciech reworks devlink reload to fulfill expected conditions (remove
and readd).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/ice/ice.h

@@ -896,6 +896,7 @@ static inline bool ice_is_adq_active(struct ice_pf *pf)
 }
 
 void ice_debugfs_fwlog_init(struct ice_pf *pf);
+void ice_debugfs_pf_deinit(struct ice_pf *pf);
 void ice_debugfs_init(void);
 void ice_debugfs_exit(void);
 void ice_pf_fwlog_update_module(struct ice_pf *pf, int log_level, int module);
@@ -983,6 +984,8 @@ void ice_service_task_schedule(struct ice_pf *pf);
 int ice_load(struct ice_pf *pf);
 void ice_unload(struct ice_pf *pf);
 void ice_adv_lnk_speed_maps_init(void);
+int ice_init_dev(struct ice_pf *pf);
+void ice_deinit_dev(struct ice_pf *pf);
 
 /**
  * ice_set_rdma_cap - enable RDMA support

drivers/net/ethernet/intel/ice/ice_common.c

@@ -154,6 +154,12 @@ static int ice_set_mac_type(struct ice_hw *hw)
 	case ICE_DEV_ID_E823L_SFP:
 		hw->mac_type = ICE_MAC_GENERIC;
 		break;
+	case ICE_DEV_ID_E825C_BACKPLANE:
+	case ICE_DEV_ID_E825C_QSFP:
+	case ICE_DEV_ID_E825C_SFP:
+	case ICE_DEV_ID_E825C_SGMII:
+		hw->mac_type = ICE_MAC_GENERIC_3K_E825;
+		break;
 	case ICE_DEV_ID_E830_BACKPLANE:
 	case ICE_DEV_ID_E830_QSFP56:
 	case ICE_DEV_ID_E830_SFP:
@@ -169,6 +175,18 @@ static int ice_set_mac_type(struct ice_hw *hw)
 	return 0;
 }
 
+/**
+ * ice_is_generic_mac - check if device's mac_type is generic
+ * @hw: pointer to the hardware structure
+ *
+ * Return: true if mac_type is generic (with SBQ support), false if not
+ */
+bool ice_is_generic_mac(struct ice_hw *hw)
+{
+	return (hw->mac_type == ICE_MAC_GENERIC ||
+		hw->mac_type == ICE_MAC_GENERIC_3K_E825);
+}
+
 /**
  * ice_is_e810
  * @hw: pointer to the hardware structure
@@ -240,6 +258,25 @@ bool ice_is_e823(struct ice_hw *hw)
 	}
 }
 
+/**
+ * ice_is_e825c - Check if a device is E825C family device
+ * @hw: pointer to the hardware structure
+ *
+ * Return: true if the device is E825-C based, false if not.
+ */
+bool ice_is_e825c(struct ice_hw *hw)
+{
+	switch (hw->device_id) {
+	case ICE_DEV_ID_E825C_BACKPLANE:
+	case ICE_DEV_ID_E825C_QSFP:
+	case ICE_DEV_ID_E825C_SFP:
+	case ICE_DEV_ID_E825C_SGMII:
+		return true;
+	default:
+		return false;
+	}
+}
+
 /**
  * ice_clear_pf_cfg - Clear PF configuration
  * @hw: pointer to the hardware structure

drivers/net/ethernet/intel/ice/ice_common.h

@@ -112,6 +112,7 @@ ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
 int
 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
 			struct ice_sq_cd *cd);
+bool ice_is_generic_mac(struct ice_hw *hw);
 bool ice_is_e810(struct ice_hw *hw);
 int ice_clear_pf_cfg(struct ice_hw *hw);
 int
@@ -251,6 +252,7 @@ ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
 		  u64 *prev_stat, u64 *cur_stat);
 bool ice_is_e810t(struct ice_hw *hw);
 bool ice_is_e823(struct ice_hw *hw);
+bool ice_is_e825c(struct ice_hw *hw);
 int
 ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
 		     struct ice_aqc_txsched_elem_data *buf);

drivers/net/ethernet/intel/ice/ice_controlq.c

@@ -666,7 +666,7 @@ bool ice_is_sbq_supported(struct ice_hw *hw)
 	/* The device sideband queue is only supported on devices with the
 	 * generic MAC type.
 	 */
-	return hw->mac_type == ICE_MAC_GENERIC;
+	return ice_is_generic_mac(hw);
 }
 
 /**

drivers/net/ethernet/intel/ice/ice_ddp.c

@@ -1825,6 +1825,7 @@ static u32 ice_get_pkg_segment_id(enum ice_mac_type mac_type)
 		seg_id = SEGMENT_TYPE_ICE_E830;
 		break;
 	case ICE_MAC_GENERIC:
+	case ICE_MAC_GENERIC_3K_E825:
 	default:
 		seg_id = SEGMENT_TYPE_ICE_E810;
 		break;
@@ -1845,6 +1846,9 @@ static u32 ice_get_pkg_sign_type(enum ice_mac_type mac_type)
 	case ICE_MAC_E830:
 		sign_type = SEGMENT_SIGN_TYPE_RSA3K_SBB;
 		break;
+	case ICE_MAC_GENERIC_3K_E825:
+		sign_type = SEGMENT_SIGN_TYPE_RSA3K_E825;
+		break;
 	case ICE_MAC_GENERIC:
 	default:
 		sign_type = SEGMENT_SIGN_TYPE_RSA2K;

drivers/net/ethernet/intel/ice/ice_debugfs.c

@@ -644,6 +644,16 @@ void ice_debugfs_fwlog_init(struct ice_pf *pf)
 	kfree(fw_modules);
 }
 
+/**
+ * ice_debugfs_pf_deinit - cleanup PF's debugfs
+ * @pf: pointer to the PF struct
+ */
+void ice_debugfs_pf_deinit(struct ice_pf *pf)
+{
+	debugfs_remove_recursive(pf->ice_debugfs_pf);
+	pf->ice_debugfs_pf = NULL;
+}
+
 /**
  * ice_debugfs_init - create root directory for debugfs entries
  */

drivers/net/ethernet/intel/ice/ice_devids.h

@@ -71,5 +71,13 @@
 #define ICE_DEV_ID_E822L_10G_BASE_T	0x1899
 /* Intel(R) Ethernet Connection E822-L 1GbE */
 #define ICE_DEV_ID_E822L_SGMII		0x189A
+/* Intel(R) Ethernet Connection E825-C for backplane */
+#define ICE_DEV_ID_E825C_BACKPLANE	0x579c
+/* Intel(R) Ethernet Connection E825-C for QSFP */
+#define ICE_DEV_ID_E825C_QSFP		0x579d
+/* Intel(R) Ethernet Connection E825-C for SFP */
+#define ICE_DEV_ID_E825C_SFP		0x579e
+/* Intel(R) Ethernet Connection E825-C 1GbE */
+#define ICE_DEV_ID_E825C_SGMII		0x579f
 
 #endif /* _ICE_DEVIDS_H_ */

drivers/net/ethernet/intel/ice/ice_devlink.c

@@ -444,6 +444,20 @@ ice_devlink_reload_empr_start(struct ice_pf *pf,
 	return 0;
 }
 
+/**
+ * ice_devlink_reinit_down - unload given PF
+ * @pf: pointer to the PF struct
+ */
+static void ice_devlink_reinit_down(struct ice_pf *pf)
+{
+	/* No need to take devl_lock, it's already taken by devlink API */
+	ice_unload(pf);
+	rtnl_lock();
+	ice_vsi_decfg(ice_get_main_vsi(pf));
+	rtnl_unlock();
+	ice_deinit_dev(pf);
+}
+
 /**
  * ice_devlink_reload_down - prepare for reload
  * @devlink: pointer to the devlink instance to reload
@@ -477,7 +491,7 @@ ice_devlink_reload_down(struct devlink *devlink, bool netns_change,
 					   "Remove all VFs before doing reinit\n");
 			return -EOPNOTSUPP;
 		}
-		ice_unload(pf);
+		ice_devlink_reinit_down(pf);
 		return 0;
 	case DEVLINK_RELOAD_ACTION_FW_ACTIVATE:
 		return ice_devlink_reload_empr_start(pf, extack);
@@ -1269,6 +1283,45 @@ static int ice_devlink_set_parent(struct devlink_rate *devlink_rate,
 	return status;
 }
 
+/**
+ * ice_devlink_reinit_up - do reinit of the given PF
+ * @pf: pointer to the PF struct
+ */
+static int ice_devlink_reinit_up(struct ice_pf *pf)
+{
+	struct ice_vsi *vsi = ice_get_main_vsi(pf);
+	struct ice_vsi_cfg_params params;
+	int err;
+
+	err = ice_init_dev(pf);
+	if (err)
+		return err;
+
+	params = ice_vsi_to_params(vsi);
+	params.flags = ICE_VSI_FLAG_INIT;
+
+	rtnl_lock();
+	err = ice_vsi_cfg(vsi, &params);
+	rtnl_unlock();
+	if (err)
+		goto err_vsi_cfg;
+
+	/* No need to take devl_lock, it's already taken by devlink API */
+	err = ice_load(pf);
+	if (err)
+		goto err_load;
+
+	return 0;
+
+err_load:
+	rtnl_lock();
+	ice_vsi_decfg(vsi);
+	rtnl_unlock();
+err_vsi_cfg:
+	ice_deinit_dev(pf);
+	return err;
+}
+
 /**
  * ice_devlink_reload_up - do reload up after reinit
  * @devlink: pointer to the devlink instance reloading
@@ -1289,7 +1342,7 @@ ice_devlink_reload_up(struct devlink *devlink,
 	switch (action) {
 	case DEVLINK_RELOAD_ACTION_DRIVER_REINIT:
 		*actions_performed = BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT);
-		return ice_load(pf);
+		return ice_devlink_reinit_up(pf);
 	case DEVLINK_RELOAD_ACTION_FW_ACTIVATE:
 		*actions_performed = BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE);
 		return ice_devlink_reload_empr_finish(pf, extack);
@@ -1569,6 +1622,7 @@ static const struct devlink_port_ops ice_devlink_port_ops = {
  * @pf: the PF to create a devlink port for
  *
  * Create and register a devlink_port for this PF.
+ * This function has to be called under devl_lock.
  *
  * Return: zero on success or an error code on failure.
  */
@@ -1581,6 +1635,8 @@ int ice_devlink_create_pf_port(struct ice_pf *pf)
 	struct device *dev;
 	int err;
 
+	devlink = priv_to_devlink(pf);
+
 	dev = ice_pf_to_dev(pf);
 
 	devlink_port = &pf->devlink_port;
@@ -1601,10 +1657,9 @@ int ice_devlink_create_pf_port(struct ice_pf *pf)
 	ice_devlink_set_switch_id(pf, &attrs.switch_id);
 
 	devlink_port_attrs_set(devlink_port, &attrs);
-	devlink = priv_to_devlink(pf);
 
-	err = devlink_port_register_with_ops(devlink, devlink_port, vsi->idx,
-					     &ice_devlink_port_ops);
+	err = devl_port_register_with_ops(devlink, devlink_port, vsi->idx,
+					  &ice_devlink_port_ops);
 	if (err) {
 		dev_err(dev, "Failed to create devlink port for PF %d, error %d\n",
 			pf->hw.pf_id, err);
@@ -1619,10 +1674,11 @@ int ice_devlink_create_pf_port(struct ice_pf *pf)
  * @pf: the PF to cleanup
  *
  * Unregisters the devlink_port structure associated with this PF.
+ * This function has to be called under devl_lock.
  */
 void ice_devlink_destroy_pf_port(struct ice_pf *pf)
 {
-	devlink_port_unregister(&pf->devlink_port);
+	devl_port_unregister(&pf->devlink_port);
 }
 
 /**

drivers/net/ethernet/intel/ice/ice_fwlog.c

@@ -188,6 +188,8 @@ void ice_fwlog_deinit(struct ice_hw *hw)
 	if (hw->bus.func)
 		return;
 
+	ice_debugfs_pf_deinit(hw->back);
+
 	/* make sure FW logging is disabled to not put the FW in a weird state
 	 * for the next driver load
 	 */