#include <linux/bitops.h>
#include <linux/if_vlan.h>
#include <linux/list.h>
+#include <linux/dcbnl.h>
#include <net/switchdev.h>
-#include <net/devlink.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_BR_MAX 6144 /* 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_BASE_SPEED 25000 /* Mb/s */
+#define MLXSW_SP_BYTES_PER_CELL 96
+
+#define MLXSW_SP_BYTES_TO_CELLS(b) DIV_ROUND_UP(b, MLXSW_SP_BYTES_PER_CELL)
+#define MLXSW_SP_CELLS_TO_BYTES(c) (c * MLXSW_SP_BYTES_PER_CELL)
+
+/* Maximum delay buffer needed in case of PAUSE frames, in cells.
+ * Assumes 100m cable and maximum MTU.
+ */
+#define MLXSW_SP_PAUSE_DELAY 612
+
+#define MLXSW_SP_CELL_FACTOR 2 /* 2 * cell_size / (IPG + cell_size + 1) */
+
+static inline u16 mlxsw_sp_pfc_delay_get(int mtu, u16 delay)
+{
+ delay = MLXSW_SP_BYTES_TO_CELLS(DIV_ROUND_UP(delay, BITS_PER_BYTE));
+ return MLXSW_SP_CELL_FACTOR * delay + MLXSW_SP_BYTES_TO_CELLS(mtu);
+}
+
struct mlxsw_sp_port;
struct mlxsw_sp_upper {
unsigned int ref_count;
};
-struct mlxsw_sp_vfid {
+struct mlxsw_sp_fid {
struct list_head list;
- u16 nr_vports;
- u16 vfid; /* Starting at 0 */
- struct net_device *br_dev;
+ unsigned int ref_count;
+ struct net_device *dev;
+ u16 fid;
u16 vid;
};
return fid >= MLXSW_SP_VFID_BASE;
}
+struct mlxsw_sp_sb_pr {
+ enum mlxsw_reg_sbpr_mode mode;
+ u32 size;
+};
+
+struct mlxsw_cp_sb_occ {
+ u32 cur;
+ u32 max;
+};
+
+struct mlxsw_sp_sb_cm {
+ u32 min_buff;
+ u32 max_buff;
+ u8 pool;
+ struct mlxsw_cp_sb_occ occ;
+};
+
+struct mlxsw_sp_sb_pm {
+ u32 min_buff;
+ u32 max_buff;
+ struct mlxsw_cp_sb_occ occ;
+};
+
+#define MLXSW_SP_SB_POOL_COUNT 4
+#define MLXSW_SP_SB_TC_COUNT 8
+
+struct mlxsw_sp_sb {
+ struct mlxsw_sp_sb_pr prs[2][MLXSW_SP_SB_POOL_COUNT];
+ struct {
+ struct mlxsw_sp_sb_cm cms[2][MLXSW_SP_SB_TC_COUNT];
+ struct mlxsw_sp_sb_pm pms[2][MLXSW_SP_SB_POOL_COUNT];
+ } ports[MLXSW_PORT_MAX_PORTS];
+};
+
struct mlxsw_sp {
struct {
struct list_head list;
- unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_PORT_MAX)];
+ DECLARE_BITMAP(mapped, MLXSW_SP_VFID_PORT_MAX);
} port_vfids;
struct {
struct list_head list;
- unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_BR_MAX)];
+ DECLARE_BITMAP(mapped, MLXSW_SP_VFID_BR_MAX);
} br_vfids;
struct {
struct list_head list;
- unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_MID_MAX)];
+ DECLARE_BITMAP(mapped, MLXSW_SP_MID_MAX);
} br_mids;
- unsigned long active_fids[BITS_TO_LONGS(VLAN_N_VID)];
+ struct list_head fids; /* VLAN-aware bridge FIDs */
struct mlxsw_sp_port **ports;
struct mlxsw_core *core;
const struct mlxsw_bus_info *bus_info;
struct mlxsw_sp_upper master_bridge;
struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX];
u8 port_to_module[MLXSW_PORT_MAX_PORTS];
+ struct mlxsw_sp_sb sb;
};
static inline struct mlxsw_sp_upper *
};
struct mlxsw_sp_port {
+ struct mlxsw_core_port core_port; /* must be first */
struct net_device *dev;
struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats;
struct mlxsw_sp *mlxsw_sp;
u16 lag_id;
struct {
struct list_head list;
- struct mlxsw_sp_vfid *vfid;
+ struct mlxsw_sp_fid *f;
u16 vid;
} vport;
+ struct {
+ u8 tx_pause:1,
+ rx_pause:1;
+ } link;
+ struct {
+ struct ieee_ets *ets;
+ struct ieee_maxrate *maxrate;
+ struct ieee_pfc *pfc;
+ } dcb;
+ struct {
+ u8 module;
+ u8 width;
+ u8 lane;
+ } mapping;
/* 802.1Q bridge VLANs */
unsigned long *active_vlans;
unsigned long *untagged_vlans;
/* VLAN interfaces */
struct list_head vports_list;
- struct devlink_port devlink_port;
};
+static inline bool
+mlxsw_sp_port_is_pause_en(const struct mlxsw_sp_port *mlxsw_sp_port)
+{
+ return mlxsw_sp_port->link.tx_pause || mlxsw_sp_port->link.rx_pause;
+}
+
static inline struct mlxsw_sp_port *
mlxsw_sp_port_lagged_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 port_index)
{
static inline bool
mlxsw_sp_port_is_vport(const struct mlxsw_sp_port *mlxsw_sp_port)
{
- return mlxsw_sp_port->vport.vfid;
+ return mlxsw_sp_port->vport.f;
}
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;
+ return mlxsw_sp_vport->vport.f->dev;
}
static inline u16
}
static inline u16
-mlxsw_sp_vport_vfid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
+mlxsw_sp_vport_fid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
{
- return mlxsw_sp_vport->vport.vfid->vfid;
+ return mlxsw_sp_vport->vport.f->fid;
}
static inline struct mlxsw_sp_port *
}
static inline struct mlxsw_sp_port *
-mlxsw_sp_port_vport_find_by_vfid(const struct mlxsw_sp_port *mlxsw_sp_port,
- u16 vfid)
+mlxsw_sp_port_vport_find_by_fid(const struct mlxsw_sp_port *mlxsw_sp_port,
+ u16 fid)
{
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)
+ if (mlxsw_sp_vport_fid_get(mlxsw_sp_vport) == fid)
return mlxsw_sp_vport;
}
};
int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp);
+void mlxsw_sp_buffers_fini(struct mlxsw_sp *mlxsw_sp);
int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port);
+int mlxsw_sp_sb_pool_get(struct mlxsw_core *mlxsw_core,
+ unsigned int sb_index, u16 pool_index,
+ struct devlink_sb_pool_info *pool_info);
+int mlxsw_sp_sb_pool_set(struct mlxsw_core *mlxsw_core,
+ unsigned int sb_index, u16 pool_index, u32 size,
+ enum devlink_sb_threshold_type threshold_type);
+int mlxsw_sp_sb_port_pool_get(struct mlxsw_core_port *mlxsw_core_port,
+ unsigned int sb_index, u16 pool_index,
+ u32 *p_threshold);
+int mlxsw_sp_sb_port_pool_set(struct mlxsw_core_port *mlxsw_core_port,
+ unsigned int sb_index, u16 pool_index,
+ u32 threshold);
+int mlxsw_sp_sb_tc_pool_bind_get(struct mlxsw_core_port *mlxsw_core_port,
+ unsigned int sb_index, u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ u16 *p_pool_index, u32 *p_threshold);
+int mlxsw_sp_sb_tc_pool_bind_set(struct mlxsw_core_port *mlxsw_core_port,
+ unsigned int sb_index, u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ u16 pool_index, u32 threshold);
+int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
+ unsigned int sb_index);
+int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
+ unsigned int sb_index);
+int mlxsw_sp_sb_occ_port_pool_get(struct mlxsw_core_port *mlxsw_core_port,
+ unsigned int sb_index, u16 pool_index,
+ u32 *p_cur, u32 *p_max);
+int mlxsw_sp_sb_occ_tc_port_bind_get(struct mlxsw_core_port *mlxsw_core_port,
+ unsigned int sb_index, u16 tc_index,
+ enum devlink_sb_pool_type pool_type,
+ u32 *p_cur, u32 *p_max);
int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
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);
+int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid,
+ bool set);
void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port);
int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid);
+int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
+ enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
+ bool dwrr, u8 dwrr_weight);
+int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port,
+ u8 switch_prio, u8 tclass);
+int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu,
+ u8 *prio_tc, bool pause_en,
+ struct ieee_pfc *my_pfc);
+int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port,
+ enum mlxsw_reg_qeec_hr hr, u8 index,
+ u8 next_index, u32 maxrate);
+
+#ifdef CONFIG_MLXSW_SPECTRUM_DCB
+
+int mlxsw_sp_port_dcb_init(struct mlxsw_sp_port *mlxsw_sp_port);
+void mlxsw_sp_port_dcb_fini(struct mlxsw_sp_port *mlxsw_sp_port);
+
+#else
+
+static inline int mlxsw_sp_port_dcb_init(struct mlxsw_sp_port *mlxsw_sp_port)
+{
+ return 0;
+}
+
+static inline void mlxsw_sp_port_dcb_fini(struct mlxsw_sp_port *mlxsw_sp_port)
+{}
+
+#endif
#endif
projects / cascardo / linux.git / blobdiff