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Commit 818be848 authored by Vivien Didelot's avatar Vivien Didelot Committed by David S. Miller
Browse files

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: default avatarVivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 26895e29

include/net/dsa.h

+2 −0
Original line number Diff line number Diff line
@@ -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;

net/dsa/dsa2.c

+6 −0
Original line number Diff line number Diff line
@@ -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);