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-rw-r--r--drivers/net/dsa/sja1105/sja1105.h1
-rw-r--r--drivers/net/dsa/sja1105/sja1105_main.c21
-rw-r--r--drivers/net/dsa/sja1105/sja1105_spi.c9
-rw-r--r--drivers/net/dsa/sja1105/sja1105_static_config.c13
-rw-r--r--drivers/net/dsa/sja1105/sja1105_static_config.h5
5 files changed, 27 insertions, 22 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105.h b/drivers/net/dsa/sja1105/sja1105.h
index 47cad24e6af0..2ec03917feb3 100644
--- a/drivers/net/dsa/sja1105/sja1105.h
+++ b/drivers/net/dsa/sja1105/sja1105.h
@@ -90,6 +90,7 @@ struct sja1105_info {
*/
int ptpegr_ts_bytes;
int num_cbs_shapers;
+ int max_frame_mem;
const struct sja1105_dynamic_table_ops *dyn_ops;
const struct sja1105_table_ops *static_ops;
const struct sja1105_regs *regs;
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index c391ab00e003..a105e174b3af 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -469,12 +469,7 @@ static int sja1105_init_l2_forwarding(struct sja1105_private *priv)
static int sja1105_init_l2_forwarding_params(struct sja1105_private *priv)
{
- struct sja1105_l2_forwarding_params_entry default_l2fwd_params = {
- /* Disallow dynamic reconfiguration of vlan_pmap */
- .max_dynp = 0,
- /* Use a single memory partition for all ingress queues */
- .part_spc = { SJA1105_MAX_FRAME_MEMORY, 0, 0, 0, 0, 0, 0, 0 },
- };
+ struct sja1105_l2_forwarding_params_entry *l2fwd_params;
struct sja1105_table *table;
table = &priv->static_config.tables[BLK_IDX_L2_FORWARDING_PARAMS];
@@ -492,8 +487,12 @@ static int sja1105_init_l2_forwarding_params(struct sja1105_private *priv)
table->entry_count = table->ops->max_entry_count;
/* This table only has a single entry */
- ((struct sja1105_l2_forwarding_params_entry *)table->entries)[0] =
- default_l2fwd_params;
+ l2fwd_params = table->entries;
+
+ /* Disallow dynamic reconfiguration of vlan_pmap */
+ l2fwd_params->max_dynp = 0;
+ /* Use a single memory partition for all ingress queues */
+ l2fwd_params->part_spc[0] = priv->info->max_frame_mem;
return 0;
}
@@ -502,16 +501,14 @@ void sja1105_frame_memory_partitioning(struct sja1105_private *priv)
{
struct sja1105_l2_forwarding_params_entry *l2_fwd_params;
struct sja1105_vl_forwarding_params_entry *vl_fwd_params;
+ int max_mem = priv->info->max_frame_mem;
struct sja1105_table *table;
- int max_mem;
/* VLAN retagging is implemented using a loopback port that consumes
* frame buffers. That leaves less for us.
*/
if (priv->vlan_state == SJA1105_VLAN_BEST_EFFORT)
- max_mem = SJA1105_MAX_FRAME_MEMORY_RETAGGING;
- else
- max_mem = SJA1105_MAX_FRAME_MEMORY;
+ max_mem -= SJA1105_FRAME_MEMORY_RETAGGING_OVERHEAD;
table = &priv->static_config.tables[BLK_IDX_L2_FORWARDING_PARAMS];
l2_fwd_params = table->entries;
diff --git a/drivers/net/dsa/sja1105/sja1105_spi.c b/drivers/net/dsa/sja1105/sja1105_spi.c
index 79ba86096a4b..d0bc6cf90bfd 100644
--- a/drivers/net/dsa/sja1105/sja1105_spi.c
+++ b/drivers/net/dsa/sja1105/sja1105_spi.c
@@ -271,7 +271,8 @@ int static_config_buf_prepare_for_upload(struct sja1105_private *priv,
char *final_header_ptr;
int crc_len;
- valid = sja1105_static_config_check_valid(config);
+ valid = sja1105_static_config_check_valid(config,
+ priv->info->max_frame_mem);
if (valid != SJA1105_CONFIG_OK) {
dev_err(&priv->spidev->dev,
sja1105_static_config_error_msg[valid]);
@@ -474,6 +475,7 @@ const struct sja1105_info sja1105e_info = {
.can_limit_mcast_flood = false,
.ptp_ts_bits = 24,
.ptpegr_ts_bytes = 4,
+ .max_frame_mem = SJA1105_MAX_FRAME_MEMORY,
.num_cbs_shapers = SJA1105ET_MAX_CBS_COUNT,
.reset_cmd = sja1105et_reset_cmd,
.fdb_add_cmd = sja1105et_fdb_add,
@@ -493,6 +495,7 @@ const struct sja1105_info sja1105t_info = {
.can_limit_mcast_flood = false,
.ptp_ts_bits = 24,
.ptpegr_ts_bytes = 4,
+ .max_frame_mem = SJA1105_MAX_FRAME_MEMORY,
.num_cbs_shapers = SJA1105ET_MAX_CBS_COUNT,
.reset_cmd = sja1105et_reset_cmd,
.fdb_add_cmd = sja1105et_fdb_add,
@@ -512,6 +515,7 @@ const struct sja1105_info sja1105p_info = {
.can_limit_mcast_flood = true,
.ptp_ts_bits = 32,
.ptpegr_ts_bytes = 8,
+ .max_frame_mem = SJA1105_MAX_FRAME_MEMORY,
.num_cbs_shapers = SJA1105PQRS_MAX_CBS_COUNT,
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
.reset_cmd = sja1105pqrs_reset_cmd,
@@ -532,6 +536,7 @@ const struct sja1105_info sja1105q_info = {
.can_limit_mcast_flood = true,
.ptp_ts_bits = 32,
.ptpegr_ts_bytes = 8,
+ .max_frame_mem = SJA1105_MAX_FRAME_MEMORY,
.num_cbs_shapers = SJA1105PQRS_MAX_CBS_COUNT,
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
.reset_cmd = sja1105pqrs_reset_cmd,
@@ -552,6 +557,7 @@ const struct sja1105_info sja1105r_info = {
.can_limit_mcast_flood = true,
.ptp_ts_bits = 32,
.ptpegr_ts_bytes = 8,
+ .max_frame_mem = SJA1105_MAX_FRAME_MEMORY,
.num_cbs_shapers = SJA1105PQRS_MAX_CBS_COUNT,
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
.reset_cmd = sja1105pqrs_reset_cmd,
@@ -573,6 +579,7 @@ const struct sja1105_info sja1105s_info = {
.can_limit_mcast_flood = true,
.ptp_ts_bits = 32,
.ptpegr_ts_bytes = 8,
+ .max_frame_mem = SJA1105_MAX_FRAME_MEMORY,
.num_cbs_shapers = SJA1105PQRS_MAX_CBS_COUNT,
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
.reset_cmd = sja1105pqrs_reset_cmd,
diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.c b/drivers/net/dsa/sja1105/sja1105_static_config.c
index a8efb7fac395..33f91ecbe07b 100644
--- a/drivers/net/dsa/sja1105/sja1105_static_config.c
+++ b/drivers/net/dsa/sja1105/sja1105_static_config.c
@@ -657,11 +657,11 @@ const char *sja1105_static_config_error_msg[] = {
};
static sja1105_config_valid_t
-static_config_check_memory_size(const struct sja1105_table *tables)
+static_config_check_memory_size(const struct sja1105_table *tables, int max_mem)
{
const struct sja1105_l2_forwarding_params_entry *l2_fwd_params;
const struct sja1105_vl_forwarding_params_entry *vl_fwd_params;
- int i, max_mem, mem = 0;
+ int i, mem = 0;
l2_fwd_params = tables[BLK_IDX_L2_FORWARDING_PARAMS].entries;
@@ -675,9 +675,7 @@ static_config_check_memory_size(const struct sja1105_table *tables)
}
if (tables[BLK_IDX_RETAGGING].entry_count)
- max_mem = SJA1105_MAX_FRAME_MEMORY_RETAGGING;
- else
- max_mem = SJA1105_MAX_FRAME_MEMORY;
+ max_mem -= SJA1105_FRAME_MEMORY_RETAGGING_OVERHEAD;
if (mem > max_mem)
return SJA1105_OVERCOMMITTED_FRAME_MEMORY;
@@ -686,7 +684,8 @@ static_config_check_memory_size(const struct sja1105_table *tables)
}
sja1105_config_valid_t
-sja1105_static_config_check_valid(const struct sja1105_static_config *config)
+sja1105_static_config_check_valid(const struct sja1105_static_config *config,
+ int max_mem)
{
const struct sja1105_table *tables = config->tables;
#define IS_FULL(blk_idx) \
@@ -754,7 +753,7 @@ sja1105_static_config_check_valid(const struct sja1105_static_config *config)
if (!IS_FULL(BLK_IDX_XMII_PARAMS))
return SJA1105_MISSING_XMII_TABLE;
- return static_config_check_memory_size(tables);
+ return static_config_check_memory_size(tables, max_mem);
#undef IS_FULL
}
diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.h b/drivers/net/dsa/sja1105/sja1105_static_config.h
index 9bc783a2bbea..4ddb06bd8e92 100644
--- a/drivers/net/dsa/sja1105/sja1105_static_config.h
+++ b/drivers/net/dsa/sja1105/sja1105_static_config.h
@@ -115,7 +115,7 @@ enum sja1105_blk_idx {
#define SJA1105PQRS_MAX_CBS_COUNT 16
#define SJA1105_MAX_FRAME_MEMORY 929
-#define SJA1105_MAX_FRAME_MEMORY_RETAGGING 910
+#define SJA1105_FRAME_MEMORY_RETAGGING_OVERHEAD 19
#define SJA1105_VL_FRAME_MEMORY 100
#define SJA1105E_DEVICE_ID 0x9C00000Cull
@@ -416,7 +416,8 @@ typedef enum {
extern const char *sja1105_static_config_error_msg[];
sja1105_config_valid_t
-sja1105_static_config_check_valid(const struct sja1105_static_config *config);
+sja1105_static_config_check_valid(const struct sja1105_static_config *config,
+ int max_mem);
void
sja1105_static_config_pack(void *buf, struct sja1105_static_config *config);
int sja1105_static_config_init(struct sja1105_static_config *config,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 15:17:42 +0100