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-rw-r--r--include/net/dsa.h164
1 files changed, 110 insertions, 54 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 4e60d2610f20..2f5435d3d1db 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -46,6 +46,7 @@ struct phylink_link_state;
#define DSA_TAG_PROTO_AR9331_VALUE 16
#define DSA_TAG_PROTO_RTL4_A_VALUE 17
#define DSA_TAG_PROTO_HELLCREEK_VALUE 18
+#define DSA_TAG_PROTO_XRS700X_VALUE 19
enum dsa_tag_protocol {
DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE,
@@ -67,6 +68,7 @@ enum dsa_tag_protocol {
DSA_TAG_PROTO_AR9331 = DSA_TAG_PROTO_AR9331_VALUE,
DSA_TAG_PROTO_RTL4_A = DSA_TAG_PROTO_RTL4_A_VALUE,
DSA_TAG_PROTO_HELLCREEK = DSA_TAG_PROTO_HELLCREEK_VALUE,
+ DSA_TAG_PROTO_XRS700X = DSA_TAG_PROTO_XRS700X_VALUE,
};
struct packet_type;
@@ -149,8 +151,41 @@ struct dsa_switch_tree {
/* List of DSA links composing the routing table */
struct list_head rtable;
+
+ /* Maps offloaded LAG netdevs to a zero-based linear ID for
+ * drivers that need it.
+ */
+ struct net_device **lags;
+ unsigned int lags_len;
};
+#define dsa_lags_foreach_id(_id, _dst) \
+ for ((_id) = 0; (_id) < (_dst)->lags_len; (_id)++) \
+ if ((_dst)->lags[(_id)])
+
+#define dsa_lag_foreach_port(_dp, _dst, _lag) \
+ list_for_each_entry((_dp), &(_dst)->ports, list) \
+ if ((_dp)->lag_dev == (_lag))
+
+static inline struct net_device *dsa_lag_dev(struct dsa_switch_tree *dst,
+ unsigned int id)
+{
+ return dst->lags[id];
+}
+
+static inline int dsa_lag_id(struct dsa_switch_tree *dst,
+ struct net_device *lag)
+{
+ unsigned int id;
+
+ dsa_lags_foreach_id(id, dst) {
+ if (dsa_lag_dev(dst, id) == lag)
+ return id;
+ }
+
+ return -ENODEV;
+}
+
/* TC matchall action types */
enum dsa_port_mall_action_type {
DSA_PORT_MALL_MIRROR,
@@ -220,6 +255,8 @@ struct dsa_port {
bool devlink_port_setup;
struct phylink *pl;
struct phylink_config pl_config;
+ struct net_device *lag_dev;
+ bool lag_tx_enabled;
struct list_head list;
@@ -319,6 +356,11 @@ struct dsa_switch {
*/
bool untag_bridge_pvid;
+ /* Let DSA manage the FDB entries towards the CPU, based on the
+ * software bridge database.
+ */
+ bool assisted_learning_on_cpu_port;
+
/* In case vlan_filtering_is_global is set, the VLAN awareness state
* should be retrieved from here and not from the per-port settings.
*/
@@ -335,6 +377,14 @@ struct dsa_switch {
*/
bool mtu_enforcement_ingress;
+ /* Drivers that benefit from having an ID associated with each
+ * offloaded LAG should set this to the maximum number of
+ * supported IDs. DSA will then maintain a mapping of _at
+ * least_ these many IDs, accessible to drivers via
+ * dsa_lag_id().
+ */
+ unsigned int num_lag_ids;
+
size_t num_ports;
};
@@ -477,7 +527,7 @@ struct dsa_switch_ops {
void (*phylink_fixed_state)(struct dsa_switch *ds, int port,
struct phylink_link_state *state);
/*
- * ethtool hardware statistics.
+ * Port statistics counters.
*/
void (*get_strings)(struct dsa_switch *ds, int port,
u32 stringset, uint8_t *data);
@@ -486,6 +536,8 @@ struct dsa_switch_ops {
int (*get_sset_count)(struct dsa_switch *ds, int port, int sset);
void (*get_ethtool_phy_stats)(struct dsa_switch *ds,
int port, uint64_t *data);
+ void (*get_stats64)(struct dsa_switch *ds, int port,
+ struct rtnl_link_stats64 *s);
/*
* ethtool Wake-on-LAN
@@ -560,12 +612,9 @@ struct dsa_switch_ops {
* VLAN support
*/
int (*port_vlan_filtering)(struct dsa_switch *ds, int port,
- bool vlan_filtering,
- struct switchdev_trans *trans);
- int (*port_vlan_prepare)(struct dsa_switch *ds, int port,
+ bool vlan_filtering);
+ int (*port_vlan_add)(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan);
- void (*port_vlan_add)(struct dsa_switch *ds, int port,
- const struct switchdev_obj_port_vlan *vlan);
int (*port_vlan_del)(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan);
/*
@@ -581,10 +630,8 @@ struct dsa_switch_ops {
/*
* Multicast database
*/
- int (*port_mdb_prepare)(struct dsa_switch *ds, int port,
+ int (*port_mdb_add)(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_mdb *mdb);
- void (*port_mdb_add)(struct dsa_switch *ds, int port,
- const struct switchdev_obj_port_mdb *mdb);
int (*port_mdb_del)(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_mdb *mdb);
/*
@@ -624,6 +671,13 @@ struct dsa_switch_ops {
void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index,
int sw_index, int port,
struct net_device *br);
+ int (*crosschip_lag_change)(struct dsa_switch *ds, int sw_index,
+ int port);
+ int (*crosschip_lag_join)(struct dsa_switch *ds, int sw_index,
+ int port, struct net_device *lag,
+ struct netdev_lag_upper_info *info);
+ int (*crosschip_lag_leave)(struct dsa_switch *ds, int sw_index,
+ int port, struct net_device *lag);
/*
* PTP functionality
@@ -645,6 +699,40 @@ struct dsa_switch_ops {
int (*devlink_info_get)(struct dsa_switch *ds,
struct devlink_info_req *req,
struct netlink_ext_ack *extack);
+ int (*devlink_sb_pool_get)(struct dsa_switch *ds,
+ unsigned int sb_index, u16 pool_index,
+ struct devlink_sb_pool_info *pool_info);
+ int (*devlink_sb_pool_set)(struct dsa_switch *ds, unsigned int sb_index,
+ u16 pool_index, u32 size,
+ enum devlink_sb_threshold_type threshold_type,
+ struct netlink_ext_ack *extack);
+ int (*devlink_sb_port_pool_get)(struct dsa_switch *ds, int port,
+ unsigned int sb_index, u16 pool_index,
+ u32 *p_threshold);
+ int (*devlink_sb_port_pool_set)(struct dsa_switch *ds, int port,
+ unsigned int sb_index, u16 pool_index,
+ u32 threshold,
+ struct netlink_ext_ack *extack);
+ int (*devlink_sb_tc_pool_bind_get)(struct dsa_switch *ds, int port,
+ unsigned int sb_index, u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ u16 *p_pool_index, u32 *p_threshold);
+ int (*devlink_sb_tc_pool_bind_set)(struct dsa_switch *ds, int port,
+ unsigned int sb_index, u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ u16 pool_index, u32 threshold,
+ struct netlink_ext_ack *extack);
+ int (*devlink_sb_occ_snapshot)(struct dsa_switch *ds,
+ unsigned int sb_index);
+ int (*devlink_sb_occ_max_clear)(struct dsa_switch *ds,
+ unsigned int sb_index);
+ int (*devlink_sb_occ_port_pool_get)(struct dsa_switch *ds, int port,
+ unsigned int sb_index, u16 pool_index,
+ u32 *p_cur, u32 *p_max);
+ int (*devlink_sb_occ_tc_port_bind_get)(struct dsa_switch *ds, int port,
+ unsigned int sb_index, u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ u32 *p_cur, u32 *p_max);
/*
* MTU change functionality. Switches can also adjust their MRU through
@@ -655,6 +743,16 @@ struct dsa_switch_ops {
int (*port_change_mtu)(struct dsa_switch *ds, int port,
int new_mtu);
int (*port_max_mtu)(struct dsa_switch *ds, int port);
+
+ /*
+ * LAG integration
+ */
+ int (*port_lag_change)(struct dsa_switch *ds, int port);
+ int (*port_lag_join)(struct dsa_switch *ds, int port,
+ struct net_device *lag,
+ struct netdev_lag_upper_info *info);
+ int (*port_lag_leave)(struct dsa_switch *ds, int port,
+ struct net_device *lag);
};
#define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \
@@ -828,57 +926,15 @@ static inline int dsa_switch_resume(struct dsa_switch *ds)
}
#endif /* CONFIG_PM_SLEEP */
-enum dsa_notifier_type {
- DSA_PORT_REGISTER,
- DSA_PORT_UNREGISTER,
-};
-
-struct dsa_notifier_info {
- struct net_device *dev;
-};
-
-struct dsa_notifier_register_info {
- struct dsa_notifier_info info; /* must be first */
- struct net_device *master;
- unsigned int port_number;
- unsigned int switch_number;
-};
-
-static inline struct net_device *
-dsa_notifier_info_to_dev(const struct dsa_notifier_info *info)
-{
- return info->dev;
-}
-
#if IS_ENABLED(CONFIG_NET_DSA)
-int register_dsa_notifier(struct notifier_block *nb);
-int unregister_dsa_notifier(struct notifier_block *nb);
-int call_dsa_notifiers(unsigned long val, struct net_device *dev,
- struct dsa_notifier_info *info);
+bool dsa_slave_dev_check(const struct net_device *dev);
#else
-static inline int register_dsa_notifier(struct notifier_block *nb)
+static inline bool dsa_slave_dev_check(const struct net_device *dev)
{
- return 0;
-}
-
-static inline int unregister_dsa_notifier(struct notifier_block *nb)
-{
- return 0;
-}
-
-static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev,
- struct dsa_notifier_info *info)
-{
- return NOTIFY_DONE;
+ return false;
}
#endif
-/* Broadcom tag specific helpers to insert and extract queue/port number */
-#define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q)
-#define BRCM_TAG_GET_PORT(v) ((v) >> 8)
-#define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff)
-
-
netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev);
int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data);
int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 18:33:27 +0000