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net: dsa: Make use of devlink port flavour unused 

If a port is unused, still create a devlink port for it, but set the
flavour to unused. This allows us to attach devlink regions to the
port, etc.

Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Tested-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2020-10-04 18:12:52 +02:00 committed by David S. Miller
parent cf1166349c
commit f15ec13a96
1 changed files with 10 additions and 0 deletions
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10
net/dsa/dsa2.c
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@ -272,6 +272,15 @@ static int dsa_port_setup(struct dsa_port *dp)
switch (dp->type) {
case DSA_PORT_TYPE_UNUSED:
memset(dlp, 0, sizeof(*dlp));
attrs.flavour = DEVLINK_PORT_FLAVOUR_UNUSED;
devlink_port_attrs_set(dlp, &attrs);
err = devlink_port_register(dl, dlp, dp->index);
if (err)
break;
devlink_port_registered = true;
dsa_port_disable(dp);
break;
case DSA_PORT_TYPE_CPU:
@ -355,6 +364,7 @@ static void dsa_port_teardown(struct dsa_port *dp)
switch (dp->type) {
case DSA_PORT_TYPE_UNUSED:
devlink_port_unregister(dlp);
break;
case DSA_PORT_TYPE_CPU:
dsa_port_disable(dp);