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realtek: Add L2 hash bucket size

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Adds a hash-bucket size attribute for the different SoCs, in order to
accomodate the buckets with 8 entries of the L2-forwarding tables
on RTL93XX in contrast to only 4 on RTL83XX.

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
This commit is contained in:
Birger Koblitz 2021-05-01 06:48:29 +02:00 committed by Petr Štetiar
parent d497262748
commit 637deabb4a
2 changed files with 5 additions and 3 deletions
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7
target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/common.c
View File

@ -123,7 +123,6 @@ void rtl_table_read(struct table_reg *r, int idx)
cmd |= BIT(r->c_bit + 1) | (r->tbl << r->t_bit) | (idx & (BIT(r->t_bit) - 1));
sw_w32(cmd, r->addr);
pr_debug("Writing %08x to %x for read\n", cmd, r->addr);
do { } while (sw_r32(r->addr) & BIT(r->c_bit + 1));
}
@ -135,8 +134,6 @@ void rtl_table_write(struct table_reg *r, int idx)
u32 cmd = r->rmode ? 0 : BIT(r->c_bit);
cmd |= BIT(r->c_bit + 1) | (r->tbl << r->t_bit) | (idx & (BIT(r->t_bit) - 1));
pr_debug("Writing %08x to %x for write, value %08x\n",
cmd, r->addr, sw_r32(0xb344));
sw_w32(cmd, r->addr);
do { } while (sw_r32(r->addr) & BIT(r->c_bit + 1));
}
@ -572,6 +569,7 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
priv->fib_entries = 8192;
rtl8380_get_version(priv);
priv->n_lags = 8;
priv->l2_bucket_size = 4;
break;
case RTL8390_FAMILY_ID:
priv->ds->ops = &rtl83xx_switch_ops;
@ -584,6 +582,7 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
priv->fib_entries = 16384;
rtl8390_get_version(priv);
priv->n_lags = 16;
priv->l2_bucket_size = 4;
break;
case RTL9300_FAMILY_ID:
priv->ds->ops = &rtl930x_switch_ops;
@ -597,6 +596,7 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
priv->version = RTL8390_VERSION_A;
priv->n_lags = 16;
sw_w32(1, RTL930X_ST_CTRL);
priv->l2_bucket_size = 8;
break;
case RTL9310_FAMILY_ID:
priv->ds->ops = &rtl930x_switch_ops;
@ -609,6 +609,7 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
priv->fib_entries = 16384;
priv->version = RTL8390_VERSION_A;
priv->n_lags = 16;
priv->l2_bucket_size = 8;
break;
}
pr_debug("Chip version %c\n", priv->version);

1
target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/rtl838x.h
View File

@ -460,6 +460,7 @@ struct rtl838x_switch_priv {
u8 port_width;
u64 irq_mask;
u32 fib_entries;
int l2_bucket_size;
struct dentry *dbgfs_dir;
int n_lags;
u64 lags_port_members[MAX_LAGS];