aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c98
1 files changed, 70 insertions, 28 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
index d78cf5a7220a..c9f1c79f3f9d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
@@ -160,7 +160,7 @@ static bool mlxsw_sp_sb_cm_exists(u8 pg_buff, enum mlxsw_reg_sbxx_dir dir)
}
static struct mlxsw_sp_sb_cm *mlxsw_sp_sb_cm_get(struct mlxsw_sp *mlxsw_sp,
- u8 local_port, u8 pg_buff,
+ u16 local_port, u8 pg_buff,
enum mlxsw_reg_sbxx_dir dir)
{
struct mlxsw_sp_sb_port *sb_port = &mlxsw_sp->sb->ports[local_port];
@@ -173,7 +173,7 @@ static struct mlxsw_sp_sb_cm *mlxsw_sp_sb_cm_get(struct mlxsw_sp *mlxsw_sp,
}
static struct mlxsw_sp_sb_pm *mlxsw_sp_sb_pm_get(struct mlxsw_sp *mlxsw_sp,
- u8 local_port, u16 pool_index)
+ u16 local_port, u16 pool_index)
{
return &mlxsw_sp->sb->ports[local_port].pms[pool_index];
}
@@ -202,7 +202,22 @@ static int mlxsw_sp_sb_pr_write(struct mlxsw_sp *mlxsw_sp, u16 pool_index,
return 0;
}
-static int mlxsw_sp_sb_cm_write(struct mlxsw_sp *mlxsw_sp, u8 local_port,
+static int mlxsw_sp_sb_pr_desc_write(struct mlxsw_sp *mlxsw_sp,
+ enum mlxsw_reg_sbxx_dir dir,
+ enum mlxsw_reg_sbpr_mode mode,
+ u32 size, bool infi_size)
+{
+ char sbpr_pl[MLXSW_REG_SBPR_LEN];
+
+ /* The FW default descriptor buffer configuration uses only pool 14 for
+ * descriptors.
+ */
+ mlxsw_reg_sbpr_pack(sbpr_pl, 14, dir, mode, size, infi_size);
+ mlxsw_reg_sbpr_desc_set(sbpr_pl, true);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbpr), sbpr_pl);
+}
+
+static int mlxsw_sp_sb_cm_write(struct mlxsw_sp *mlxsw_sp, u16 local_port,
u8 pg_buff, u32 min_buff, u32 max_buff,
bool infi_max, u16 pool_index)
{
@@ -232,7 +247,7 @@ static int mlxsw_sp_sb_cm_write(struct mlxsw_sp *mlxsw_sp, u8 local_port,
return 0;
}
-static int mlxsw_sp_sb_pm_write(struct mlxsw_sp *mlxsw_sp, u8 local_port,
+static int mlxsw_sp_sb_pm_write(struct mlxsw_sp *mlxsw_sp, u16 local_port,
u16 pool_index, u32 min_buff, u32 max_buff)
{
const struct mlxsw_sp_sb_pool_des *des =
@@ -253,7 +268,7 @@ static int mlxsw_sp_sb_pm_write(struct mlxsw_sp *mlxsw_sp, u8 local_port,
return 0;
}
-static int mlxsw_sp_sb_pm_occ_clear(struct mlxsw_sp *mlxsw_sp, u8 local_port,
+static int mlxsw_sp_sb_pm_occ_clear(struct mlxsw_sp *mlxsw_sp, u16 local_port,
u16 pool_index, struct list_head *bulk_list)
{
const struct mlxsw_sp_sb_pool_des *des =
@@ -279,7 +294,7 @@ static void mlxsw_sp_sb_pm_occ_query_cb(struct mlxsw_core *mlxsw_core,
mlxsw_reg_sbpm_unpack(sbpm_pl, &pm->occ.cur, &pm->occ.max);
}
-static int mlxsw_sp_sb_pm_occ_query(struct mlxsw_sp *mlxsw_sp, u8 local_port,
+static int mlxsw_sp_sb_pm_occ_query(struct mlxsw_sp *mlxsw_sp, u16 local_port,
u16 pool_index, struct list_head *bulk_list)
{
const struct mlxsw_sp_sb_pool_des *des =
@@ -775,6 +790,17 @@ static int mlxsw_sp_sb_prs_init(struct mlxsw_sp *mlxsw_sp,
if (err)
return err;
}
+
+ err = mlxsw_sp_sb_pr_desc_write(mlxsw_sp, MLXSW_REG_SBXX_DIR_INGRESS,
+ MLXSW_REG_SBPR_MODE_DYNAMIC, 0, true);
+ if (err)
+ return err;
+
+ err = mlxsw_sp_sb_pr_desc_write(mlxsw_sp, MLXSW_REG_SBXX_DIR_EGRESS,
+ MLXSW_REG_SBPR_MODE_DYNAMIC, 0, true);
+ if (err)
+ return err;
+
return 0;
}
@@ -919,7 +945,7 @@ mlxsw_sp_sb_pool_is_static(struct mlxsw_sp *mlxsw_sp, u16 pool_index)
return pr->mode == MLXSW_REG_SBPR_MODE_STATIC;
}
-static int __mlxsw_sp_sb_cms_init(struct mlxsw_sp *mlxsw_sp, u8 local_port,
+static int __mlxsw_sp_sb_cms_init(struct mlxsw_sp *mlxsw_sp, u16 local_port,
enum mlxsw_reg_sbxx_dir dir,
const struct mlxsw_sp_sb_cm *cms,
size_t cms_len)
@@ -1037,7 +1063,7 @@ static const struct mlxsw_sp_sb_pm mlxsw_sp_cpu_port_sb_pms[] = {
MLXSW_SP_SB_PM(0, MLXSW_REG_SBXX_DYN_MAX_BUFF_MAX),
};
-static int mlxsw_sp_sb_pms_init(struct mlxsw_sp *mlxsw_sp, u8 local_port,
+static int mlxsw_sp_sb_pms_init(struct mlxsw_sp *mlxsw_sp, u16 local_port,
const struct mlxsw_sp_sb_pm *pms,
bool skip_ingress)
{
@@ -1264,12 +1290,12 @@ int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp)
if (err)
goto err_sb_mms_init;
mlxsw_sp_pool_count(mlxsw_sp, &ing_pool_count, &eg_pool_count);
- err = devlink_sb_register(priv_to_devlink(mlxsw_sp->core), 0,
- mlxsw_sp->sb->sb_size,
- ing_pool_count,
- eg_pool_count,
- MLXSW_SP_SB_ING_TC_COUNT,
- MLXSW_SP_SB_EG_TC_COUNT);
+ err = devl_sb_register(priv_to_devlink(mlxsw_sp->core), 0,
+ mlxsw_sp->sb->sb_size,
+ ing_pool_count,
+ eg_pool_count,
+ MLXSW_SP_SB_ING_TC_COUNT,
+ MLXSW_SP_SB_EG_TC_COUNT);
if (err)
goto err_devlink_sb_register;
@@ -1288,7 +1314,7 @@ err_sb_ports_init:
void mlxsw_sp_buffers_fini(struct mlxsw_sp *mlxsw_sp)
{
- devlink_sb_unregister(priv_to_devlink(mlxsw_sp->core), 0);
+ devl_sb_unregister(priv_to_devlink(mlxsw_sp->core), 0);
mlxsw_sp_sb_ports_fini(mlxsw_sp);
kfree(mlxsw_sp->sb);
}
@@ -1416,7 +1442,7 @@ int mlxsw_sp_sb_port_pool_get(struct mlxsw_core_port *mlxsw_core_port,
struct mlxsw_sp_port *mlxsw_sp_port =
mlxsw_core_port_driver_priv(mlxsw_core_port);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- u8 local_port = mlxsw_sp_port->local_port;
+ u16 local_port = mlxsw_sp_port->local_port;
struct mlxsw_sp_sb_pm *pm = mlxsw_sp_sb_pm_get(mlxsw_sp, local_port,
pool_index);
@@ -1432,7 +1458,7 @@ int mlxsw_sp_sb_port_pool_set(struct mlxsw_core_port *mlxsw_core_port,
struct mlxsw_sp_port *mlxsw_sp_port =
mlxsw_core_port_driver_priv(mlxsw_core_port);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- u8 local_port = mlxsw_sp_port->local_port;
+ u16 local_port = mlxsw_sp_port->local_port;
u32 max_buff;
int err;
@@ -1458,7 +1484,7 @@ int mlxsw_sp_sb_tc_pool_bind_get(struct mlxsw_core_port *mlxsw_core_port,
struct mlxsw_sp_port *mlxsw_sp_port =
mlxsw_core_port_driver_priv(mlxsw_core_port);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- u8 local_port = mlxsw_sp_port->local_port;
+ u16 local_port = mlxsw_sp_port->local_port;
u8 pg_buff = tc_index;
enum mlxsw_reg_sbxx_dir dir = (enum mlxsw_reg_sbxx_dir) pool_type;
struct mlxsw_sp_sb_cm *cm = mlxsw_sp_sb_cm_get(mlxsw_sp, local_port,
@@ -1479,7 +1505,7 @@ int mlxsw_sp_sb_tc_pool_bind_set(struct mlxsw_core_port *mlxsw_core_port,
struct mlxsw_sp_port *mlxsw_sp_port =
mlxsw_core_port_driver_priv(mlxsw_core_port);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- u8 local_port = mlxsw_sp_port->local_port;
+ u16 local_port = mlxsw_sp_port->local_port;
const struct mlxsw_sp_sb_cm *cm;
u8 pg_buff = tc_index;
enum mlxsw_reg_sbxx_dir dir = (enum mlxsw_reg_sbxx_dir) pool_type;
@@ -1526,7 +1552,7 @@ int mlxsw_sp_sb_tc_pool_bind_set(struct mlxsw_core_port *mlxsw_core_port,
struct mlxsw_sp_sb_sr_occ_query_cb_ctx {
u8 masked_count;
- u8 local_port_1;
+ u16 local_port_1;
};
static void mlxsw_sp_sb_sr_occ_query_cb(struct mlxsw_core *mlxsw_core,
@@ -1536,7 +1562,7 @@ static void mlxsw_sp_sb_sr_occ_query_cb(struct mlxsw_core *mlxsw_core,
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_sb_sr_occ_query_cb_ctx cb_ctx;
u8 masked_count;
- u8 local_port;
+ u16 local_port;
int rec_index = 0;
struct mlxsw_sp_sb_cm *cm;
int i;
@@ -1582,13 +1608,12 @@ int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
unsigned int sb_index)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
+ u16 local_port, local_port_1, last_local_port;
struct mlxsw_sp_sb_sr_occ_query_cb_ctx cb_ctx;
+ u8 masked_count, current_page = 0;
unsigned long cb_priv = 0;
LIST_HEAD(bulk_list);
char *sbsr_pl;
- u8 masked_count;
- u8 local_port_1;
- u8 local_port;
int i;
int err;
int err2;
@@ -1602,6 +1627,10 @@ next_batch:
local_port_1 = local_port;
masked_count = 0;
mlxsw_reg_sbsr_pack(sbsr_pl, false);
+ mlxsw_reg_sbsr_port_page_set(sbsr_pl, current_page);
+ last_local_port = current_page * MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE +
+ MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE - 1;
+
for (i = 0; i < MLXSW_SP_SB_ING_TC_COUNT; i++)
mlxsw_reg_sbsr_pg_buff_mask_set(sbsr_pl, i, 1);
for (i = 0; i < MLXSW_SP_SB_EG_TC_COUNT; i++)
@@ -1609,6 +1638,10 @@ next_batch:
for (; local_port < mlxsw_core_max_ports(mlxsw_core); local_port++) {
if (!mlxsw_sp->ports[local_port])
continue;
+ if (local_port > last_local_port) {
+ current_page++;
+ goto do_query;
+ }
if (local_port != MLXSW_PORT_CPU_PORT) {
/* Ingress quotas are not supported for the CPU port */
mlxsw_reg_sbsr_ingress_port_mask_set(sbsr_pl,
@@ -1651,10 +1684,11 @@ int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
unsigned int sb_index)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
+ u16 local_port, last_local_port;
LIST_HEAD(bulk_list);
- char *sbsr_pl;
unsigned int masked_count;
- u8 local_port;
+ u8 current_page = 0;
+ char *sbsr_pl;
int i;
int err;
int err2;
@@ -1667,6 +1701,10 @@ int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
next_batch:
masked_count = 0;
mlxsw_reg_sbsr_pack(sbsr_pl, true);
+ mlxsw_reg_sbsr_port_page_set(sbsr_pl, current_page);
+ last_local_port = current_page * MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE +
+ MLXSW_REG_SBSR_NUM_PORTS_IN_PAGE - 1;
+
for (i = 0; i < MLXSW_SP_SB_ING_TC_COUNT; i++)
mlxsw_reg_sbsr_pg_buff_mask_set(sbsr_pl, i, 1);
for (i = 0; i < MLXSW_SP_SB_EG_TC_COUNT; i++)
@@ -1674,6 +1712,10 @@ next_batch:
for (; local_port < mlxsw_core_max_ports(mlxsw_core); local_port++) {
if (!mlxsw_sp->ports[local_port])
continue;
+ if (local_port > last_local_port) {
+ current_page++;
+ goto do_query;
+ }
if (local_port != MLXSW_PORT_CPU_PORT) {
/* Ingress quotas are not supported for the CPU port */
mlxsw_reg_sbsr_ingress_port_mask_set(sbsr_pl,
@@ -1715,7 +1757,7 @@ int mlxsw_sp_sb_occ_port_pool_get(struct mlxsw_core_port *mlxsw_core_port,
struct mlxsw_sp_port *mlxsw_sp_port =
mlxsw_core_port_driver_priv(mlxsw_core_port);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- u8 local_port = mlxsw_sp_port->local_port;
+ u16 local_port = mlxsw_sp_port->local_port;
struct mlxsw_sp_sb_pm *pm = mlxsw_sp_sb_pm_get(mlxsw_sp, local_port,
pool_index);
@@ -1732,7 +1774,7 @@ int mlxsw_sp_sb_occ_tc_port_bind_get(struct mlxsw_core_port *mlxsw_core_port,
struct mlxsw_sp_port *mlxsw_sp_port =
mlxsw_core_port_driver_priv(mlxsw_core_port);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- u8 local_port = mlxsw_sp_port->local_port;
+ u16 local_port = mlxsw_sp_port->local_port;
u8 pg_buff = tc_index;
enum mlxsw_reg_sbxx_dir dir = (enum mlxsw_reg_sbxx_dir) pool_type;
struct mlxsw_sp_sb_cm *cm = mlxsw_sp_sb_cm_get(mlxsw_sp, local_port,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.