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net: dsa: loop: Wire-up MTU callbacks

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For now we simply store the port MTU into a per-port member.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2020-08-03 13:03:53 -07:00 committed by David S. Miller
parent 6c84a58997
commit c99194eded
2 changed files with 18 additions and 0 deletions
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17
drivers/net/dsa/dsa_loop.c
View File

@ -225,6 +225,21 @@ static int dsa_loop_port_vlan_del(struct dsa_switch *ds, int port,
return 0; return 0;
} }
static int dsa_loop_port_change_mtu(struct dsa_switch *ds, int port,
int new_mtu)
{
struct dsa_loop_priv *priv = ds->priv;
priv->ports[port].mtu = new_mtu;
return 0;
}
static int dsa_loop_port_max_mtu(struct dsa_switch *ds, int port)
{
return ETH_MAX_MTU;
}
static const struct dsa_switch_ops dsa_loop_driver = { static const struct dsa_switch_ops dsa_loop_driver = {
.get_tag_protocol = dsa_loop_get_protocol, .get_tag_protocol = dsa_loop_get_protocol,
.setup = dsa_loop_setup, .setup = dsa_loop_setup,
@ -241,6 +256,8 @@ static const struct dsa_switch_ops dsa_loop_driver = {
.port_vlan_prepare = dsa_loop_port_vlan_prepare, .port_vlan_prepare = dsa_loop_port_vlan_prepare,
.port_vlan_add = dsa_loop_port_vlan_add, .port_vlan_add = dsa_loop_port_vlan_add,
.port_vlan_del = dsa_loop_port_vlan_del, .port_vlan_del = dsa_loop_port_vlan_del,
.port_change_mtu = dsa_loop_port_change_mtu,
.port_max_mtu = dsa_loop_port_max_mtu,
}; };
static int dsa_loop_drv_probe(struct mdio_device *mdiodev) static int dsa_loop_drv_probe(struct mdio_device *mdiodev)

1
include/linux/dsa/loop.h
View File

@ -27,6 +27,7 @@ enum dsa_loop_mib_counters {
struct dsa_loop_port { struct dsa_loop_port {
struct dsa_loop_mib_entry mib[__DSA_LOOP_CNT_MAX]; struct dsa_loop_mib_entry mib[__DSA_LOOP_CNT_MAX];
u16 pvid; u16 pvid;
int mtu;
}; };
struct dsa_loop_priv { struct dsa_loop_priv {