net: dsa: let switches specify their tagging protocol
In order to support the new DSA device driver model, a dsa_switch should
be able to advertise the type of tagging protocol supported by the
underlying switch device. This also removes constraints on how tagging
can be stacked to each other.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/dsa.h b/include/net/dsa.h
index c542c13..b525ac5 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -128,6 +128,11 @@
int index;
/*
+ * Tagging protocol understood by this switch
+ */
+ enum dsa_tag_protocol tag_protocol;
+
+ /*
* Configuration data for this switch.
*/
struct dsa_chip_data *pd;
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 6f02ccc5..4cc9956 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -227,7 +227,7 @@
* switch.
*/
if (dst->cpu_switch == index) {
- switch (drv->tag_protocol) {
+ switch (ds->tag_protocol) {
#ifdef CONFIG_NET_DSA_TAG_DSA
case DSA_TAG_PROTO_DSA:
dst->rcv = dsa_netdev_ops.rcv;
@@ -255,7 +255,7 @@
goto out;
}
- dst->tag_protocol = drv->tag_protocol;
+ dst->tag_protocol = ds->tag_protocol;
}
/*
@@ -364,6 +364,7 @@
ds->index = index;
ds->pd = pd;
ds->drv = drv;
+ ds->tag_protocol = drv->tag_protocol;
ds->master_dev = host_dev;
ret = dsa_switch_setup_one(ds, parent);
