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Diffstat (limited to 'include/net/dsa.h')
-rw-r--r--include/net/dsa.h23
1 files changed, 20 insertions, 3 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h
index e1a2610a0e06..ea47783d5695 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -50,6 +50,7 @@ struct phylink_link_state;
#define DSA_TAG_PROTO_OCELOT_8021Q_VALUE 20
#define DSA_TAG_PROTO_SEVILLE_VALUE 21
#define DSA_TAG_PROTO_BRCM_LEGACY_VALUE 22
+#define DSA_TAG_PROTO_SJA1110_VALUE 23
enum dsa_tag_protocol {
DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE,
@@ -75,6 +76,7 @@ enum dsa_tag_protocol {
DSA_TAG_PROTO_XRS700X = DSA_TAG_PROTO_XRS700X_VALUE,
DSA_TAG_PROTO_OCELOT_8021Q = DSA_TAG_PROTO_OCELOT_8021Q_VALUE,
DSA_TAG_PROTO_SEVILLE = DSA_TAG_PROTO_SEVILLE_VALUE,
+ DSA_TAG_PROTO_SJA1110 = DSA_TAG_PROTO_SJA1110_VALUE,
};
struct packet_type;
@@ -91,7 +93,8 @@ struct dsa_device_ops {
* as regular on the master net device.
*/
bool (*filter)(const struct sk_buff *skb, struct net_device *dev);
- unsigned int overhead;
+ unsigned int needed_headroom;
+ unsigned int needed_tailroom;
const char *name;
enum dsa_tag_protocol proto;
/* Some tagging protocols either mangle or shift the destination MAC
@@ -100,7 +103,6 @@ struct dsa_device_ops {
* its RX filter.
*/
bool promisc_on_master;
- bool tail_tag;
};
/* This structure defines the control interfaces that are overlayed by the
@@ -407,6 +409,21 @@ static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p)
return NULL;
}
+static inline bool dsa_port_is_dsa(struct dsa_port *port)
+{
+ return port->type == DSA_PORT_TYPE_DSA;
+}
+
+static inline bool dsa_port_is_cpu(struct dsa_port *port)
+{
+ return port->type == DSA_PORT_TYPE_CPU;
+}
+
+static inline bool dsa_port_is_user(struct dsa_port *dp)
+{
+ return dp->type == DSA_PORT_TYPE_USER;
+}
+
static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p)
{
return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED;
@@ -926,7 +943,7 @@ static inline void dsa_tag_generic_flow_dissect(const struct sk_buff *skb,
{
#if IS_ENABLED(CONFIG_NET_DSA)
const struct dsa_device_ops *ops = skb->dev->dsa_ptr->tag_ops;
- int tag_len = ops->overhead;
+ int tag_len = ops->needed_headroom;
*offset = tag_len;
*proto = ((__be16 *)skb->data)[(tag_len / 2) - 1];