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authorAndrew Lunn <andrew@lunn.ch>2019-10-25 01:03:51 +0200
committerDavid S. Miller <davem@davemloft.net>2019-10-28 16:21:02 -0700
commit6b297524234ccf3954b54609ab6bc2e8c4d3f677 (patch)
treedcce1a7f6db75e20d32723a21b09ee380f2b58c1 /net/dsa/dsa.c
parentebdcebcb8b646cbca8b5b6f01f6416394a3c77a9 (diff)
downloadlinux-6b297524234ccf3954b54609ab6bc2e8c4d3f677.tar.bz2
net: dsa: Add support for devlink device parameters
Add plumbing to allow DSA drivers to register parameters with devlink. To keep with the abstraction, the DSA drivers pass the ds structure to these helpers, and the DSA core then translates that to the devlink structure associated to the device. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa/dsa.c')
-rw-r--r--net/dsa/dsa.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index a5545762f5e7..db1c1c7e40e9 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -331,6 +331,54 @@ int call_dsa_notifiers(unsigned long val, struct net_device *dev,
}
EXPORT_SYMBOL_GPL(call_dsa_notifiers);
+int dsa_devlink_param_get(struct devlink *dl, u32 id,
+ struct devlink_param_gset_ctx *ctx)
+{
+ struct dsa_devlink_priv *dl_priv;
+ struct dsa_switch *ds;
+
+ dl_priv = devlink_priv(dl);
+ ds = dl_priv->ds;
+
+ if (!ds->ops->devlink_param_get)
+ return -EOPNOTSUPP;
+
+ return ds->ops->devlink_param_get(ds, id, ctx);
+}
+EXPORT_SYMBOL_GPL(dsa_devlink_param_get);
+
+int dsa_devlink_param_set(struct devlink *dl, u32 id,
+ struct devlink_param_gset_ctx *ctx)
+{
+ struct dsa_devlink_priv *dl_priv;
+ struct dsa_switch *ds;
+
+ dl_priv = devlink_priv(dl);
+ ds = dl_priv->ds;
+
+ if (!ds->ops->devlink_param_set)
+ return -EOPNOTSUPP;
+
+ return ds->ops->devlink_param_set(ds, id, ctx);
+}
+EXPORT_SYMBOL_GPL(dsa_devlink_param_set);
+
+int dsa_devlink_params_register(struct dsa_switch *ds,
+ const struct devlink_param *params,
+ size_t params_count)
+{
+ return devlink_params_register(ds->devlink, params, params_count);
+}
+EXPORT_SYMBOL_GPL(dsa_devlink_params_register);
+
+void dsa_devlink_params_unregister(struct dsa_switch *ds,
+ const struct devlink_param *params,
+ size_t params_count)
+{
+ devlink_params_unregister(ds->devlink, params, params_count);
+}
+EXPORT_SYMBOL_GPL(dsa_devlink_params_unregister);
+
static int __init dsa_init_module(void)
{
int rc;