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-rw-r--r--include/net/dsa.h2
-rw-r--r--net/dsa/dsa2.c6
2 files changed, 8 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 24e1d935ae68..6bd1f8b05dbd 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -140,6 +140,8 @@ struct dsa_switch_tree {
};
struct dsa_port {
+ struct dsa_switch *ds;
+ unsigned int index;
struct net_device *netdev;
struct device_node *dn;
unsigned int ageing_time;
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 6e7b3e88b778..9f8cc26be9ea 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -670,6 +670,7 @@ struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n)
{
size_t size = sizeof(struct dsa_switch) + n * sizeof(struct dsa_port);
struct dsa_switch *ds;
+ int i;
ds = devm_kzalloc(dev, size, GFP_KERNEL);
if (!ds)
@@ -678,6 +679,11 @@ struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n)
ds->dev = dev;
ds->num_ports = n;
+ for (i = 0; i < ds->num_ports; ++i) {
+ ds->ports[i].index = i;
+ ds->ports[i].ds = ds;
+ }
+
return ds;
}
EXPORT_SYMBOL_GPL(dsa_switch_alloc);