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devlink: Refactor devlink_rate_nodes_check

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devlink_rate_nodes_check() was used to verify there are no devlink rate
nodes created when switching the esw mode.

Rate management code is about to become more complex, so refactor this
function:
- remove unused param 'mode'.
- add a new 'rate_filter' param.
- rename to devlink_rates_check().
- expose devlink_rate_is_node() to be used as a rate filter.

This makes it more usable from multiple places, so use it from those
places as well.

Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260128112544.1661250-6-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Cosmin Ratiu
2026-01-28 13:25:35 +02:00
committed by Jakub Kicinski
parent 0061b5199d
commit 29903edf04
4 changed files with 16 additions and 12 deletions
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7
net/devlink/dev.c
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@@ -434,7 +434,7 @@ static void devlink_reload_reinit_sanity_check(struct devlink *devlink)
WARN_ON(!list_empty(&devlink->trap_list));
WARN_ON(!list_empty(&devlink->dpipe_table_list));
WARN_ON(!list_empty(&devlink->sb_list));
WARN_ON(!list_empty(&devlink->rate_list));
WARN_ON(devlink_rates_check(devlink, NULL, NULL));
WARN_ON(!list_empty(&devlink->linecard_list));
WARN_ON(!xa_empty(&devlink->ports));
}
@@ -713,10 +713,11 @@ int devlink_nl_eswitch_set_doit(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[DEVLINK_ATTR_ESWITCH_MODE]) {
if (!ops->eswitch_mode_set)
return -EOPNOTSUPP;
mode = nla_get_u16(info->attrs[DEVLINK_ATTR_ESWITCH_MODE]);
err = devlink_rate_nodes_check(devlink, mode, info->extack);
err = devlink_rates_check(devlink, devlink_rate_is_node,
info->extack);
if (err)
return err;
mode = nla_get_u16(info->attrs[DEVLINK_ATTR_ESWITCH_MODE]);
err = ops->eswitch_mode_set(devlink, mode, info->extack);
if (err)
return err;