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net: dsa: Keep the vlan_filtering setting in dsa_switch if it's global

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The current behavior is not as obvious as one would assume (which is
that, if the driver set vlan_filtering_is_global = 1, then checking any
dp->vlan_filtering would yield the same result). Only the ports which
are actively enslaved into a bridge would have vlan_filtering set.

This makes it tricky for drivers to check what the global state is.
So fix this and make the struct dsa_switch hold this global setting.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2019-04-28 21:45:48 +03:00 committed by David S. Miller
parent e3ee07d14f
commit 145746765f
2 changed files with 9 additions and 1 deletions
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5
include/net/dsa.h
View File

@ -233,6 +233,11 @@ struct dsa_switch {
*/
bool vlan_filtering_is_global;
/* In case vlan_filtering_is_global is set, the VLAN awareness state
* should be retrieved from here and not from the per-port settings.
*/
bool vlan_filtering;
unsigned long *bitmap;
unsigned long _bitmap;

5
net/dsa/port.c
View File

@ -208,7 +208,10 @@ int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
if (err)
return err;
dp->vlan_filtering = vlan_filtering;
if (ds->vlan_filtering_is_global)
ds->vlan_filtering = vlan_filtering;
else
dp->vlan_filtering = vlan_filtering;
return 0;
}