提交 818be848 编写于 作者: V Vivien Didelot 提交者: David S. Miller

net: dsa: add ds and index to dsa_port

Add the physical switch instance and port index a DSA port belongs to to
the dsa_port structure.

That can be used later to retrieve information about a physical port
when configuring a switch fabric, or lighten up struct dsa_slave_priv.
Signed-off-by: NVivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 26895e29
......@@ -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;
......
......@@ -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);
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册