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Diffstat (limited to 'include/net/dsa.h')
-rw-r--r--include/net/dsa.h54
1 files changed, 51 insertions, 3 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 50389772c597..75c8fac82017 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -44,6 +44,7 @@ struct phylink_link_state;
#define DSA_TAG_PROTO_KSZ8795_VALUE 14
#define DSA_TAG_PROTO_OCELOT_VALUE 15
#define DSA_TAG_PROTO_AR9331_VALUE 16
+#define DSA_TAG_PROTO_RTL4_A_VALUE 17
enum dsa_tag_protocol {
DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE,
@@ -63,6 +64,7 @@ enum dsa_tag_protocol {
DSA_TAG_PROTO_KSZ8795 = DSA_TAG_PROTO_KSZ8795_VALUE,
DSA_TAG_PROTO_OCELOT = DSA_TAG_PROTO_OCELOT_VALUE,
DSA_TAG_PROTO_AR9331 = DSA_TAG_PROTO_AR9331_VALUE,
+ DSA_TAG_PROTO_RTL4_A = DSA_TAG_PROTO_RTL4_A_VALUE,
};
struct packet_type;
@@ -84,6 +86,16 @@ struct dsa_device_ops {
enum dsa_tag_protocol proto;
};
+/* This structure defines the control interfaces that are overlayed by the
+ * DSA layer on top of the DSA CPU/management net_device instance. This is
+ * used by the core net_device layer while calling various net_device_ops
+ * function pointers.
+ */
+struct dsa_netdevice_ops {
+ int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr,
+ int cmd);
+};
+
#define DSA_TAG_DRIVER_ALIAS "dsa_tag-"
#define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \
MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE))
@@ -144,7 +156,7 @@ struct dsa_mall_mirror_tc_entry {
/* TC port policer entry */
struct dsa_mall_policer_tc_entry {
- s64 burst;
+ u32 burst;
u64 rate_bytes_per_sec;
};
@@ -215,7 +227,7 @@ struct dsa_port {
/*
* Original copy of the master netdev net_device_ops
*/
- const struct net_device_ops *orig_ndo_ops;
+ const struct dsa_netdevice_ops *netdev_ops;
bool setup;
};
@@ -610,7 +622,7 @@ struct dsa_switch_ops {
* MTU change functionality. Switches can also adjust their MRU through
* this method. By MTU, one understands the SDU (L2 payload) length.
* If the switch needs to account for the DSA tag on the CPU port, this
- * method needs to to do so privately.
+ * method needs to do so privately.
*/
int (*port_change_mtu)(struct dsa_switch *ds, int port,
int new_mtu);
@@ -677,6 +689,42 @@ static inline bool dsa_can_decode(const struct sk_buff *skb,
return false;
}
+#if IS_ENABLED(CONFIG_NET_DSA)
+static inline int __dsa_netdevice_ops_check(struct net_device *dev)
+{
+ int err = -EOPNOTSUPP;
+
+ if (!dev->dsa_ptr)
+ return err;
+
+ if (!dev->dsa_ptr->netdev_ops)
+ return err;
+
+ return 0;
+}
+
+static inline int dsa_ndo_do_ioctl(struct net_device *dev, struct ifreq *ifr,
+ int cmd)
+{
+ const struct dsa_netdevice_ops *ops;
+ int err;
+
+ err = __dsa_netdevice_ops_check(dev);
+ if (err)
+ return err;
+
+ ops = dev->dsa_ptr->netdev_ops;
+
+ return ops->ndo_do_ioctl(dev, ifr, cmd);
+}
+#else
+static inline int dsa_ndo_do_ioctl(struct net_device *dev, struct ifreq *ifr,
+ int cmd)
+{
+ return -EOPNOTSUPP;
+}
+#endif
+
void dsa_unregister_switch(struct dsa_switch *ds);
int dsa_register_switch(struct dsa_switch *ds);
struct dsa_switch *dsa_switch_find(int tree_index, int sw_index);