2 files changed, 185 insertions, 4 deletions

diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c
index 704e9ad5144e..810a901d7afd 100644
--- a/drivers/net/ethernet/intel/ice/devlink/devlink.c
+++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c
@@ -794,10 +794,8 @@ int ice_devlink_rate_init_tx_topology(struct devlink *devlink, struct ice_vsi *v
 
 	tc_node = pi->root->children[0];
 	mutex_lock(&pi->sched_lock);
-	devl_lock(devlink);
 	for (i = 0; i < tc_node->num_children; i++)
 		ice_traverse_tx_tree(devlink, tc_node->children[i], tc_node, pf);
-	devl_unlock(devlink);
 	mutex_unlock(&pi->sched_lock);
 
 	return 0;
@@ -1383,9 +1381,129 @@ ice_devlink_enable_iw_validate(struct devlink *devlink, u32 id,
 	return 0;
 }
 
+#define DEVLINK_LOCAL_FWD_DISABLED_STR "disabled"
+#define DEVLINK_LOCAL_FWD_ENABLED_STR "enabled"
+#define DEVLINK_LOCAL_FWD_PRIORITIZED_STR "prioritized"
+
+/**
+ * ice_devlink_local_fwd_mode_to_str - Get string for local_fwd mode.
+ * @mode: local forwarding for mode used in port_info struct.
+ *
+ * Return: Mode respective string or "Invalid".
+ */
+static const char *
+ice_devlink_local_fwd_mode_to_str(enum ice_local_fwd_mode mode)
+{
+	switch (mode) {
+	case ICE_LOCAL_FWD_MODE_ENABLED:
+		return DEVLINK_LOCAL_FWD_ENABLED_STR;
+	case ICE_LOCAL_FWD_MODE_PRIORITIZED:
+		return DEVLINK_LOCAL_FWD_PRIORITIZED_STR;
+	case ICE_LOCAL_FWD_MODE_DISABLED:
+		return DEVLINK_LOCAL_FWD_DISABLED_STR;
+	}
+
+	return "Invalid";
+}
+
+/**
+ * ice_devlink_local_fwd_str_to_mode - Get local_fwd mode from string name.
+ * @mode_str: local forwarding mode string.
+ *
+ * Return: Mode value or negative number if invalid.
+ */
+static int ice_devlink_local_fwd_str_to_mode(const char *mode_str)
+{
+	if (!strcmp(mode_str, DEVLINK_LOCAL_FWD_ENABLED_STR))
+		return ICE_LOCAL_FWD_MODE_ENABLED;
+	else if (!strcmp(mode_str, DEVLINK_LOCAL_FWD_PRIORITIZED_STR))
+		return ICE_LOCAL_FWD_MODE_PRIORITIZED;
+	else if (!strcmp(mode_str, DEVLINK_LOCAL_FWD_DISABLED_STR))
+		return ICE_LOCAL_FWD_MODE_DISABLED;
+
+	return -EINVAL;
+}
+
+/**
+ * ice_devlink_local_fwd_get - Get local_fwd parameter.
+ * @devlink: Pointer to the devlink instance.
+ * @id: The parameter ID to set.
+ * @ctx: Context to store the parameter value.
+ *
+ * Return: Zero.
+ */
+static int ice_devlink_local_fwd_get(struct devlink *devlink, u32 id,
+				     struct devlink_param_gset_ctx *ctx)
+{
+	struct ice_pf *pf = devlink_priv(devlink);
+	struct ice_port_info *pi;
+	const char *mode_str;
+
+	pi = pf->hw.port_info;
+	mode_str = ice_devlink_local_fwd_mode_to_str(pi->local_fwd_mode);
+	snprintf(ctx->val.vstr, sizeof(ctx->val.vstr), "%s", mode_str);
+
+	return 0;
+}
+
+/**
+ * ice_devlink_local_fwd_set - Set local_fwd parameter.
+ * @devlink: Pointer to the devlink instance.
+ * @id: The parameter ID to set.
+ * @ctx: Context to get the parameter value.
+ * @extack: Netlink extended ACK structure.
+ *
+ * Return: Zero.
+ */
+static int ice_devlink_local_fwd_set(struct devlink *devlink, u32 id,
+				     struct devlink_param_gset_ctx *ctx,
+				     struct netlink_ext_ack *extack)
+{
+	int new_local_fwd_mode = ice_devlink_local_fwd_str_to_mode(ctx->val.vstr);
+	struct ice_pf *pf = devlink_priv(devlink);
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_port_info *pi;
+
+	pi = pf->hw.port_info;
+	if (pi->local_fwd_mode != new_local_fwd_mode) {
+		pi->local_fwd_mode = new_local_fwd_mode;
+		dev_info(dev, "Setting local_fwd to %s\n", ctx->val.vstr);
+		ice_schedule_reset(pf, ICE_RESET_CORER);
+	}
+
+	return 0;
+}
+
+/**
+ * ice_devlink_local_fwd_validate - Validate passed local_fwd parameter value.
+ * @devlink: Unused pointer to devlink instance.
+ * @id: The parameter ID to validate.
+ * @val: Value to validate.
+ * @extack: Netlink extended ACK structure.
+ *
+ * Supported values are:
+ * "enabled" - local_fwd is enabled, "disabled" - local_fwd is disabled
+ * "prioritized" - local_fwd traffic is prioritized in scheduling.
+ *
+ * Return: Zero when passed parameter value is supported. Negative value on
+ * error.
+ */
+static int ice_devlink_local_fwd_validate(struct devlink *devlink, u32 id,
+					  union devlink_param_value val,
+					  struct netlink_ext_ack *extack)
+{
+	if (ice_devlink_local_fwd_str_to_mode(val.vstr) < 0) {
+		NL_SET_ERR_MSG_MOD(extack, "Error: Requested value is not supported.");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 enum ice_param_id {
 	ICE_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
 	ICE_DEVLINK_PARAM_ID_TX_SCHED_LAYERS,
+	ICE_DEVLINK_PARAM_ID_LOCAL_FWD,
 };
 
 static const struct devlink_param ice_dvl_rdma_params[] = {
@@ -1407,6 +1525,12 @@ static const struct devlink_param ice_dvl_sched_params[] = {
 			     ice_devlink_tx_sched_layers_get,
 			     ice_devlink_tx_sched_layers_set,
 			     ice_devlink_tx_sched_layers_validate),
+	DEVLINK_PARAM_DRIVER(ICE_DEVLINK_PARAM_ID_LOCAL_FWD,
+			     "local_forwarding", DEVLINK_PARAM_TYPE_STRING,
+			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
+			     ice_devlink_local_fwd_get,
+			     ice_devlink_local_fwd_set,
+			     ice_devlink_local_fwd_validate),
 };
 
 static void ice_devlink_free(void *devlink_ptr)
diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
index 13e6790d3cae..00fed5a61d62 100644
--- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
+++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
@@ -373,6 +373,62 @@ void ice_devlink_destroy_pf_port(struct ice_pf *pf)
 }
 
 /**
+ * ice_devlink_port_get_vf_fn_mac - .port_fn_hw_addr_get devlink handler
+ * @port: devlink port structure
+ * @hw_addr: MAC address of the port
+ * @hw_addr_len: length of MAC address
+ * @extack: extended netdev ack structure
+ *
+ * Callback for the devlink .port_fn_hw_addr_get operation
+ * Return: zero on success or an error code on failure.
+ */
+static int ice_devlink_port_get_vf_fn_mac(struct devlink_port *port,
+					  u8 *hw_addr, int *hw_addr_len,
+					  struct netlink_ext_ack *extack)
+{
+	struct ice_vf *vf = container_of(port, struct ice_vf, devlink_port);
+
+	ether_addr_copy(hw_addr, vf->dev_lan_addr);
+	*hw_addr_len = ETH_ALEN;
+
+	return 0;
+}
+
+/**
+ * ice_devlink_port_set_vf_fn_mac - .port_fn_hw_addr_set devlink handler
+ * @port: devlink port structure
+ * @hw_addr: MAC address of the port
+ * @hw_addr_len: length of MAC address
+ * @extack: extended netdev ack structure
+ *
+ * Callback for the devlink .port_fn_hw_addr_set operation
+ * Return: zero on success or an error code on failure.
+ */
+static int ice_devlink_port_set_vf_fn_mac(struct devlink_port *port,
+					  const u8 *hw_addr,
+					  int hw_addr_len,
+					  struct netlink_ext_ack *extack)
+
+{
+	struct devlink_port_attrs *attrs = &port->attrs;
+	struct devlink_port_pci_vf_attrs *pci_vf;
+	struct devlink *devlink = port->devlink;
+	struct ice_pf *pf;
+	u16 vf_id;
+
+	pf = devlink_priv(devlink);
+	pci_vf = &attrs->pci_vf;
+	vf_id = pci_vf->vf;
+
+	return __ice_set_vf_mac(pf, vf_id, hw_addr);
+}
+
+static const struct devlink_port_ops ice_devlink_vf_port_ops = {
+	.port_fn_hw_addr_get = ice_devlink_port_get_vf_fn_mac,
+	.port_fn_hw_addr_set = ice_devlink_port_set_vf_fn_mac,
+};
+
+/**
  * ice_devlink_create_vf_port - Create a devlink port for this VF
  * @vf: the VF to create a port for
  *
@@ -407,7 +463,8 @@ int ice_devlink_create_vf_port(struct ice_vf *vf)
 	devlink_port_attrs_set(devlink_port, &attrs);
 	devlink = priv_to_devlink(pf);
 
-	err = devlink_port_register(devlink, devlink_port, vsi->idx);
+	err = devl_port_register_with_ops(devlink, devlink_port, vsi->idx,
+					  &ice_devlink_vf_port_ops);
 	if (err) {
 		dev_err(dev, "Failed to create devlink port for VF %d, error %d\n",
 			vf->vf_id, err);
@@ -426,5 +483,5 @@ int ice_devlink_create_vf_port(struct ice_vf *vf)
 void ice_devlink_destroy_vf_port(struct ice_vf *vf)
 {
 	devl_rate_leaf_destroy(&vf->devlink_port);
-	devlink_port_unregister(&vf->devlink_port);
+	devl_port_unregister(&vf->devlink_port);
 }