1 files changed, 0 insertions, 599 deletions

diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c
index 13958c3da59a..98ccb3a8393d 100644
--- a/net/devlink/leftover.c
+++ b/net/devlink/leftover.c
@@ -37,396 +37,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg);
 EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwerr);
 EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_trap_report);
 
-static struct devlink_linecard *
-devlink_linecard_get_by_index(struct devlink *devlink,
-			      unsigned int linecard_index)
-{
-	struct devlink_linecard *devlink_linecard;
-
-	list_for_each_entry(devlink_linecard, &devlink->linecard_list, list) {
-		if (devlink_linecard->index == linecard_index)
-			return devlink_linecard;
-	}
-	return NULL;
-}
-
-static bool devlink_linecard_index_exists(struct devlink *devlink,
-					  unsigned int linecard_index)
-{
-	return devlink_linecard_get_by_index(devlink, linecard_index);
-}
-
-static struct devlink_linecard *
-devlink_linecard_get_from_attrs(struct devlink *devlink, struct nlattr **attrs)
-{
-	if (attrs[DEVLINK_ATTR_LINECARD_INDEX]) {
-		u32 linecard_index = nla_get_u32(attrs[DEVLINK_ATTR_LINECARD_INDEX]);
-		struct devlink_linecard *linecard;
-
-		linecard = devlink_linecard_get_by_index(devlink, linecard_index);
-		if (!linecard)
-			return ERR_PTR(-ENODEV);
-		return linecard;
-	}
-	return ERR_PTR(-EINVAL);
-}
-
-static struct devlink_linecard *
-devlink_linecard_get_from_info(struct devlink *devlink, struct genl_info *info)
-{
-	return devlink_linecard_get_from_attrs(devlink, info->attrs);
-}
-
-static int devlink_nl_put_nested_handle(struct sk_buff *msg, struct devlink *devlink)
-{
-	struct nlattr *nested_attr;
-
-	nested_attr = nla_nest_start(msg, DEVLINK_ATTR_NESTED_DEVLINK);
-	if (!nested_attr)
-		return -EMSGSIZE;
-	if (devlink_nl_put_handle(msg, devlink))
-		goto nla_put_failure;
-
-	nla_nest_end(msg, nested_attr);
-	return 0;
-
-nla_put_failure:
-	nla_nest_cancel(msg, nested_attr);
-	return -EMSGSIZE;
-}
-
-struct devlink_linecard_type {
-	const char *type;
-	const void *priv;
-};
-
-static int devlink_nl_linecard_fill(struct sk_buff *msg,
-				    struct devlink *devlink,
-				    struct devlink_linecard *linecard,
-				    enum devlink_command cmd, u32 portid,
-				    u32 seq, int flags,
-				    struct netlink_ext_ack *extack)
-{
-	struct devlink_linecard_type *linecard_type;
-	struct nlattr *attr;
-	void *hdr;
-	int i;
-
-	hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
-	if (!hdr)
-		return -EMSGSIZE;
-
-	if (devlink_nl_put_handle(msg, devlink))
-		goto nla_put_failure;
-	if (nla_put_u32(msg, DEVLINK_ATTR_LINECARD_INDEX, linecard->index))
-		goto nla_put_failure;
-	if (nla_put_u8(msg, DEVLINK_ATTR_LINECARD_STATE, linecard->state))
-		goto nla_put_failure;
-	if (linecard->type &&
-	    nla_put_string(msg, DEVLINK_ATTR_LINECARD_TYPE, linecard->type))
-		goto nla_put_failure;
-
-	if (linecard->types_count) {
-		attr = nla_nest_start(msg,
-				      DEVLINK_ATTR_LINECARD_SUPPORTED_TYPES);
-		if (!attr)
-			goto nla_put_failure;
-		for (i = 0; i < linecard->types_count; i++) {
-			linecard_type = &linecard->types[i];
-			if (nla_put_string(msg, DEVLINK_ATTR_LINECARD_TYPE,
-					   linecard_type->type)) {
-				nla_nest_cancel(msg, attr);
-				goto nla_put_failure;
-			}
-		}
-		nla_nest_end(msg, attr);
-	}
-
-	if (linecard->nested_devlink &&
-	    devlink_nl_put_nested_handle(msg, linecard->nested_devlink))
-		goto nla_put_failure;
-
-	genlmsg_end(msg, hdr);
-	return 0;
-
-nla_put_failure:
-	genlmsg_cancel(msg, hdr);
-	return -EMSGSIZE;
-}
-
-static void devlink_linecard_notify(struct devlink_linecard *linecard,
-				    enum devlink_command cmd)
-{
-	struct devlink *devlink = linecard->devlink;
-	struct sk_buff *msg;
-	int err;
-
-	WARN_ON(cmd != DEVLINK_CMD_LINECARD_NEW &&
-		cmd != DEVLINK_CMD_LINECARD_DEL);
-
-	if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED))
-		return;
-
-	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
-	if (!msg)
-		return;
-
-	err = devlink_nl_linecard_fill(msg, devlink, linecard, cmd, 0, 0, 0,
-				       NULL);
-	if (err) {
-		nlmsg_free(msg);
-		return;
-	}
-
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
-				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
-}
-
-static void devlink_linecards_notify_register(struct devlink *devlink)
-{
-	struct devlink_linecard *linecard;
-
-	list_for_each_entry(linecard, &devlink->linecard_list, list)
-		devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-}
-
-static void devlink_linecards_notify_unregister(struct devlink *devlink)
-{
-	struct devlink_linecard *linecard;
-
-	list_for_each_entry_reverse(linecard, &devlink->linecard_list, list)
-		devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_DEL);
-}
-
-int devlink_nl_linecard_get_doit(struct sk_buff *skb, struct genl_info *info)
-{
-	struct devlink *devlink = info->user_ptr[0];
-	struct devlink_linecard *linecard;
-	struct sk_buff *msg;
-	int err;
-
-	linecard = devlink_linecard_get_from_info(devlink, info);
-	if (IS_ERR(linecard))
-		return PTR_ERR(linecard);
-
-	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-
-	mutex_lock(&linecard->state_lock);
-	err = devlink_nl_linecard_fill(msg, devlink, linecard,
-				       DEVLINK_CMD_LINECARD_NEW,
-				       info->snd_portid, info->snd_seq, 0,
-				       info->extack);
-	mutex_unlock(&linecard->state_lock);
-	if (err) {
-		nlmsg_free(msg);
-		return err;
-	}
-
-	return genlmsg_reply(msg, info);
-}
-
-static int devlink_nl_linecard_get_dump_one(struct sk_buff *msg,
-					    struct devlink *devlink,
-					    struct netlink_callback *cb,
-					    int flags)
-{
-	struct devlink_nl_dump_state *state = devlink_dump_state(cb);
-	struct devlink_linecard *linecard;
-	int idx = 0;
-	int err = 0;
-
-	list_for_each_entry(linecard, &devlink->linecard_list, list) {
-		if (idx < state->idx) {
-			idx++;
-			continue;
-		}
-		mutex_lock(&linecard->state_lock);
-		err = devlink_nl_linecard_fill(msg, devlink, linecard,
-					       DEVLINK_CMD_LINECARD_NEW,
-					       NETLINK_CB(cb->skb).portid,
-					       cb->nlh->nlmsg_seq, flags,
-					       cb->extack);
-		mutex_unlock(&linecard->state_lock);
-		if (err) {
-			state->idx = idx;
-			break;
-		}
-		idx++;
-	}
-
-	return err;
-}
-
-int devlink_nl_linecard_get_dumpit(struct sk_buff *skb,
-				   struct netlink_callback *cb)
-{
-	return devlink_nl_dumpit(skb, cb, devlink_nl_linecard_get_dump_one);
-}
-
-static struct devlink_linecard_type *
-devlink_linecard_type_lookup(struct devlink_linecard *linecard,
-			     const char *type)
-{
-	struct devlink_linecard_type *linecard_type;
-	int i;
-
-	for (i = 0; i < linecard->types_count; i++) {
-		linecard_type = &linecard->types[i];
-		if (!strcmp(type, linecard_type->type))
-			return linecard_type;
-	}
-	return NULL;
-}
-
-static int devlink_linecard_type_set(struct devlink_linecard *linecard,
-				     const char *type,
-				     struct netlink_ext_ack *extack)
-{
-	const struct devlink_linecard_ops *ops = linecard->ops;
-	struct devlink_linecard_type *linecard_type;
-	int err;
-
-	mutex_lock(&linecard->state_lock);
-	if (linecard->state == DEVLINK_LINECARD_STATE_PROVISIONING) {
-		NL_SET_ERR_MSG(extack, "Line card is currently being provisioned");
-		err = -EBUSY;
-		goto out;
-	}
-	if (linecard->state == DEVLINK_LINECARD_STATE_UNPROVISIONING) {
-		NL_SET_ERR_MSG(extack, "Line card is currently being unprovisioned");
-		err = -EBUSY;
-		goto out;
-	}
-
-	linecard_type = devlink_linecard_type_lookup(linecard, type);
-	if (!linecard_type) {
-		NL_SET_ERR_MSG(extack, "Unsupported line card type provided");
-		err = -EINVAL;
-		goto out;
-	}
-
-	if (linecard->state != DEVLINK_LINECARD_STATE_UNPROVISIONED &&
-	    linecard->state != DEVLINK_LINECARD_STATE_PROVISIONING_FAILED) {
-		NL_SET_ERR_MSG(extack, "Line card already provisioned");
-		err = -EBUSY;
-		/* Check if the line card is provisioned in the same
-		 * way the user asks. In case it is, make the operation
-		 * to return success.
-		 */
-		if (ops->same_provision &&
-		    ops->same_provision(linecard, linecard->priv,
-					linecard_type->type,
-					linecard_type->priv))
-			err = 0;
-		goto out;
-	}
-
-	linecard->state = DEVLINK_LINECARD_STATE_PROVISIONING;
-	linecard->type = linecard_type->type;
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-	mutex_unlock(&linecard->state_lock);
-	err = ops->provision(linecard, linecard->priv, linecard_type->type,
-			     linecard_type->priv, extack);
-	if (err) {
-		/* Provisioning failed. Assume the linecard is unprovisioned
-		 * for future operations.
-		 */
-		mutex_lock(&linecard->state_lock);
-		linecard->state = DEVLINK_LINECARD_STATE_UNPROVISIONED;
-		linecard->type = NULL;
-		devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-		mutex_unlock(&linecard->state_lock);
-	}
-	return err;
-
-out:
-	mutex_unlock(&linecard->state_lock);
-	return err;
-}
-
-static int devlink_linecard_type_unset(struct devlink_linecard *linecard,
-				       struct netlink_ext_ack *extack)
-{
-	int err;
-
-	mutex_lock(&linecard->state_lock);
-	if (linecard->state == DEVLINK_LINECARD_STATE_PROVISIONING) {
-		NL_SET_ERR_MSG(extack, "Line card is currently being provisioned");
-		err = -EBUSY;
-		goto out;
-	}
-	if (linecard->state == DEVLINK_LINECARD_STATE_UNPROVISIONING) {
-		NL_SET_ERR_MSG(extack, "Line card is currently being unprovisioned");
-		err = -EBUSY;
-		goto out;
-	}
-	if (linecard->state == DEVLINK_LINECARD_STATE_PROVISIONING_FAILED) {
-		linecard->state = DEVLINK_LINECARD_STATE_UNPROVISIONED;
-		linecard->type = NULL;
-		devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-		err = 0;
-		goto out;
-	}
-
-	if (linecard->state == DEVLINK_LINECARD_STATE_UNPROVISIONED) {
-		NL_SET_ERR_MSG(extack, "Line card is not provisioned");
-		err = 0;
-		goto out;
-	}
-	linecard->state = DEVLINK_LINECARD_STATE_UNPROVISIONING;
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-	mutex_unlock(&linecard->state_lock);
-	err = linecard->ops->unprovision(linecard, linecard->priv,
-					 extack);
-	if (err) {
-		/* Unprovisioning failed. Assume the linecard is unprovisioned
-		 * for future operations.
-		 */
-		mutex_lock(&linecard->state_lock);
-		linecard->state = DEVLINK_LINECARD_STATE_UNPROVISIONED;
-		linecard->type = NULL;
-		devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-		mutex_unlock(&linecard->state_lock);
-	}
-	return err;
-
-out:
-	mutex_unlock(&linecard->state_lock);
-	return err;
-}
-
-static int devlink_nl_cmd_linecard_set_doit(struct sk_buff *skb,
-					    struct genl_info *info)
-{
-	struct netlink_ext_ack *extack = info->extack;
-	struct devlink *devlink = info->user_ptr[0];
-	struct devlink_linecard *linecard;
-	int err;
-
-	linecard = devlink_linecard_get_from_info(devlink, info);
-	if (IS_ERR(linecard))
-		return PTR_ERR(linecard);
-
-	if (info->attrs[DEVLINK_ATTR_LINECARD_TYPE]) {
-		const char *type;
-
-		type = nla_data(info->attrs[DEVLINK_ATTR_LINECARD_TYPE]);
-		if (strcmp(type, "")) {
-			err = devlink_linecard_type_set(linecard, type, extack);
-			if (err)
-				return err;
-		} else {
-			err = devlink_linecard_type_unset(linecard, extack);
-			if (err)
-				return err;
-		}
-	}
-
-	return 0;
-}
-
 const struct genl_small_ops devlink_nl_small_ops[40] = {
 	{
 		.cmd = DEVLINK_CMD_PORT_SET,
@@ -703,212 +313,3 @@ void devlink_notify_unregister(struct devlink *devlink)
 	devlink_linecards_notify_unregister(devlink);
 	devlink_notify(devlink, DEVLINK_CMD_DEL);
 }
-
-static int devlink_linecard_types_init(struct devlink_linecard *linecard)
-{
-	struct devlink_linecard_type *linecard_type;
-	unsigned int count;
-	int i;
-
-	count = linecard->ops->types_count(linecard, linecard->priv);
-	linecard->types = kmalloc_array(count, sizeof(*linecard_type),
-					GFP_KERNEL);
-	if (!linecard->types)
-		return -ENOMEM;
-	linecard->types_count = count;
-
-	for (i = 0; i < count; i++) {
-		linecard_type = &linecard->types[i];
-		linecard->ops->types_get(linecard, linecard->priv, i,
-					 &linecard_type->type,
-					 &linecard_type->priv);
-	}
-	return 0;
-}
-
-static void devlink_linecard_types_fini(struct devlink_linecard *linecard)
-{
-	kfree(linecard->types);
-}
-
-/**
- *	devl_linecard_create - Create devlink linecard
- *
- *	@devlink: devlink
- *	@linecard_index: driver-specific numerical identifier of the linecard
- *	@ops: linecards ops
- *	@priv: user priv pointer
- *
- *	Create devlink linecard instance with provided linecard index.
- *	Caller can use any indexing, even hw-related one.
- *
- *	Return: Line card structure or an ERR_PTR() encoded error code.
- */
-struct devlink_linecard *
-devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
-		     const struct devlink_linecard_ops *ops, void *priv)
-{
-	struct devlink_linecard *linecard;
-	int err;
-
-	if (WARN_ON(!ops || !ops->provision || !ops->unprovision ||
-		    !ops->types_count || !ops->types_get))
-		return ERR_PTR(-EINVAL);
-
-	if (devlink_linecard_index_exists(devlink, linecard_index))
-		return ERR_PTR(-EEXIST);
-
-	linecard = kzalloc(sizeof(*linecard), GFP_KERNEL);
-	if (!linecard)
-		return ERR_PTR(-ENOMEM);
-
-	linecard->devlink = devlink;
-	linecard->index = linecard_index;
-	linecard->ops = ops;
-	linecard->priv = priv;
-	linecard->state = DEVLINK_LINECARD_STATE_UNPROVISIONED;
-	mutex_init(&linecard->state_lock);
-
-	err = devlink_linecard_types_init(linecard);
-	if (err) {
-		mutex_destroy(&linecard->state_lock);
-		kfree(linecard);
-		return ERR_PTR(err);
-	}
-
-	list_add_tail(&linecard->list, &devlink->linecard_list);
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-	return linecard;
-}
-EXPORT_SYMBOL_GPL(devl_linecard_create);
-
-/**
- *	devl_linecard_destroy - Destroy devlink linecard
- *
- *	@linecard: devlink linecard
- */
-void devl_linecard_destroy(struct devlink_linecard *linecard)
-{
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_DEL);
-	list_del(&linecard->list);
-	devlink_linecard_types_fini(linecard);
-	mutex_destroy(&linecard->state_lock);
-	kfree(linecard);
-}
-EXPORT_SYMBOL_GPL(devl_linecard_destroy);
-
-/**
- *	devlink_linecard_provision_set - Set provisioning on linecard
- *
- *	@linecard: devlink linecard
- *	@type: linecard type
- *
- *	This is either called directly from the provision() op call or
- *	as a result of the provision() op call asynchronously.
- */
-void devlink_linecard_provision_set(struct devlink_linecard *linecard,
-				    const char *type)
-{
-	mutex_lock(&linecard->state_lock);
-	WARN_ON(linecard->type && strcmp(linecard->type, type));
-	linecard->state = DEVLINK_LINECARD_STATE_PROVISIONED;
-	linecard->type = type;
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-	mutex_unlock(&linecard->state_lock);
-}
-EXPORT_SYMBOL_GPL(devlink_linecard_provision_set);
-
-/**
- *	devlink_linecard_provision_clear - Clear provisioning on linecard
- *
- *	@linecard: devlink linecard
- *
- *	This is either called directly from the unprovision() op call or
- *	as a result of the unprovision() op call asynchronously.
- */
-void devlink_linecard_provision_clear(struct devlink_linecard *linecard)
-{
-	mutex_lock(&linecard->state_lock);
-	WARN_ON(linecard->nested_devlink);
-	linecard->state = DEVLINK_LINECARD_STATE_UNPROVISIONED;
-	linecard->type = NULL;
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-	mutex_unlock(&linecard->state_lock);
-}
-EXPORT_SYMBOL_GPL(devlink_linecard_provision_clear);
-
-/**
- *	devlink_linecard_provision_fail - Fail provisioning on linecard
- *
- *	@linecard: devlink linecard
- *
- *	This is either called directly from the provision() op call or
- *	as a result of the provision() op call asynchronously.
- */
-void devlink_linecard_provision_fail(struct devlink_linecard *linecard)
-{
-	mutex_lock(&linecard->state_lock);
-	WARN_ON(linecard->nested_devlink);
-	linecard->state = DEVLINK_LINECARD_STATE_PROVISIONING_FAILED;
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-	mutex_unlock(&linecard->state_lock);
-}
-EXPORT_SYMBOL_GPL(devlink_linecard_provision_fail);
-
-/**
- *	devlink_linecard_activate - Set linecard active
- *
- *	@linecard: devlink linecard
- */
-void devlink_linecard_activate(struct devlink_linecard *linecard)
-{
-	mutex_lock(&linecard->state_lock);
-	WARN_ON(linecard->state != DEVLINK_LINECARD_STATE_PROVISIONED);
-	linecard->state = DEVLINK_LINECARD_STATE_ACTIVE;
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-	mutex_unlock(&linecard->state_lock);
-}
-EXPORT_SYMBOL_GPL(devlink_linecard_activate);
-
-/**
- *	devlink_linecard_deactivate - Set linecard inactive
- *
- *	@linecard: devlink linecard
- */
-void devlink_linecard_deactivate(struct devlink_linecard *linecard)
-{
-	mutex_lock(&linecard->state_lock);
-	switch (linecard->state) {
-	case DEVLINK_LINECARD_STATE_ACTIVE:
-		linecard->state = DEVLINK_LINECARD_STATE_PROVISIONED;
-		devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-		break;
-	case DEVLINK_LINECARD_STATE_UNPROVISIONING:
-		/* Line card is being deactivated as part
-		 * of unprovisioning flow.
-		 */
-		break;
-	default:
-		WARN_ON(1);
-		break;
-	}
-	mutex_unlock(&linecard->state_lock);
-}
-EXPORT_SYMBOL_GPL(devlink_linecard_deactivate);
-
-/**
- *	devlink_linecard_nested_dl_set - Attach/detach nested devlink
- *					 instance to linecard.
- *
- *	@linecard: devlink linecard
- *	@nested_devlink: devlink instance to attach or NULL to detach
- */
-void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
-				    struct devlink *nested_devlink)
-{
-	mutex_lock(&linecard->state_lock);
-	linecard->nested_devlink = nested_devlink;
-	devlink_linecard_notify(linecard, DEVLINK_CMD_LINECARD_NEW);
-	mutex_unlock(&linecard->state_lock);
-}
-EXPORT_SYMBOL_GPL(devlink_linecard_nested_dl_set);