mlxsw: Adding layer 2 multicast support

[karo-tx-linux.git] / drivers / net / ethernet / mellanox / mlxsw / spectrum.h

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 4365c8bccc6d291f6f8f60a03fe8726f20ad93b5..199f91a6296201efa0869773c315eba27c9cf800 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -41,16 +41,73 @@
 #include <linux/netdevice.h>
 #include <linux/bitops.h>
 #include <linux/if_vlan.h>
+#include <linux/list.h>
 #include <net/switchdev.h>
 
+#include "port.h"
 #include "core.h"
 
 #define MLXSW_SP_VFID_BASE VLAN_N_VID
+#define MLXSW_SP_VFID_PORT_MAX 512     /* Non-bridged VLAN interfaces */
+#define MLXSW_SP_VFID_BR_MAX 8192      /* Bridged VLAN interfaces */
+#define MLXSW_SP_VFID_MAX (MLXSW_SP_VFID_PORT_MAX + MLXSW_SP_VFID_BR_MAX)
+
+#define MLXSW_SP_LAG_MAX 64
+#define MLXSW_SP_PORT_PER_LAG_MAX 16
+
+#define MLXSW_SP_MID_MAX 7000
 
 struct mlxsw_sp_port;
 
+struct mlxsw_sp_upper {
+       struct net_device *dev;
+       unsigned int ref_count;
+};
+
+struct mlxsw_sp_vfid {
+       struct list_head list;
+       u16 nr_vports;
+       u16 vfid;       /* Starting at 0 */
+       struct net_device *br_dev;
+       u16 vid;
+};
+
+struct mlxsw_sp_mid {
+       struct list_head list;
+       unsigned char addr[ETH_ALEN];
+       u16 vid;
+       u16 mid;
+       unsigned int ref_count;
+};
+
+static inline u16 mlxsw_sp_vfid_to_fid(u16 vfid)
+{
+       return MLXSW_SP_VFID_BASE + vfid;
+}
+
+static inline u16 mlxsw_sp_fid_to_vfid(u16 fid)
+{
+       return fid - MLXSW_SP_VFID_BASE;
+}
+
+static inline bool mlxsw_sp_fid_is_vfid(u16 fid)
+{
+       return fid >= MLXSW_SP_VFID_BASE;
+}
+
 struct mlxsw_sp {
-       unsigned long active_vfids[BITS_TO_LONGS(VLAN_N_VID)];
+       struct {
+               struct list_head list;
+               unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_PORT_MAX)];
+       } port_vfids;
+       struct {
+               struct list_head list;
+               unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_BR_MAX)];
+       } br_vfids;
+       struct {
+               struct list_head list;
+               unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_MID_MAX)];
+       } br_mids;
        unsigned long active_fids[BITS_TO_LONGS(VLAN_N_VID)];
        struct mlxsw_sp_port **ports;
        struct mlxsw_core *core;
@@ -63,12 +120,16 @@ struct mlxsw_sp {
        } fdb_notify;
 #define MLXSW_SP_DEFAULT_AGEING_TIME 300
        u32 ageing_time;
-       struct {
-               struct net_device *dev;
-               unsigned int ref_count;
-       } master_bridge;
+       struct mlxsw_sp_upper master_bridge;
+       struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX];
 };
 
+static inline struct mlxsw_sp_upper *
+mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
+{
+       return &mlxsw_sp->lags[lag_id];
+}
+
 struct mlxsw_sp_port_pcpu_stats {
        u64                     rx_packets;
        u64                     rx_bytes;
@@ -87,15 +148,87 @@ struct mlxsw_sp_port {
        u8 learning:1,
           learning_sync:1,
           uc_flood:1,
-          bridged:1;
+          bridged:1,
+          lagged:1;
        u16 pvid;
+       u16 lag_id;
+       struct {
+               struct list_head list;
+               struct mlxsw_sp_vfid *vfid;
+               u16 vid;
+       } vport;
        /* 802.1Q bridge VLANs */
-       unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
+       unsigned long *active_vlans;
+       unsigned long *untagged_vlans;
        /* VLAN interfaces */
-       unsigned long active_vfids[BITS_TO_LONGS(VLAN_N_VID)];
-       u16 nr_vfids;
+       struct list_head vports_list;
 };
 
+static inline struct mlxsw_sp_port *
+mlxsw_sp_port_lagged_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 port_index)
+{
+       struct mlxsw_sp_port *mlxsw_sp_port;
+       u8 local_port;
+
+       local_port = mlxsw_core_lag_mapping_get(mlxsw_sp->core,
+                                               lag_id, port_index);
+       mlxsw_sp_port = mlxsw_sp->ports[local_port];
+       return mlxsw_sp_port && mlxsw_sp_port->lagged ? mlxsw_sp_port : NULL;
+}
+
+static inline bool
+mlxsw_sp_port_is_vport(const struct mlxsw_sp_port *mlxsw_sp_port)
+{
+       return mlxsw_sp_port->vport.vfid;
+}
+
+static inline struct net_device *
+mlxsw_sp_vport_br_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
+{
+       return mlxsw_sp_vport->vport.vfid->br_dev;
+}
+
+static inline u16
+mlxsw_sp_vport_vid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
+{
+       return mlxsw_sp_vport->vport.vid;
+}
+
+static inline u16
+mlxsw_sp_vport_vfid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
+{
+       return mlxsw_sp_vport->vport.vfid->vfid;
+}
+
+static inline struct mlxsw_sp_port *
+mlxsw_sp_port_vport_find(const struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
+{
+       struct mlxsw_sp_port *mlxsw_sp_vport;
+
+       list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
+                           vport.list) {
+               if (mlxsw_sp_vport_vid_get(mlxsw_sp_vport) == vid)
+                       return mlxsw_sp_vport;
+       }
+
+       return NULL;
+}
+
+static inline struct mlxsw_sp_port *
+mlxsw_sp_port_vport_find_by_vfid(const struct mlxsw_sp_port *mlxsw_sp_port,
+                                u16 vfid)
+{
+       struct mlxsw_sp_port *mlxsw_sp_vport;
+
+       list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
+                           vport.list) {
+               if (mlxsw_sp_vport_vfid_get(mlxsw_sp_vport) == vfid)
+                       return mlxsw_sp_vport;
+       }
+
+       return NULL;
+}
+
 enum mlxsw_sp_flood_table {
        MLXSW_SP_FLOOD_TABLE_UC,
        MLXSW_SP_FLOOD_TABLE_BM,
@@ -118,5 +251,7 @@ int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
                          u16 vid);
 int mlxsw_sp_port_kill_vid(struct net_device *dev,
                           __be16 __always_unused proto, u16 vid);
+int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 vfid,
+                            bool set, bool only_uc);
 
 #endif