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net: dsa: qca8k: add QCA8K_ATU_TABLE_SIZE define for fdb access

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Add and use QCA8K_ATU_TABLE_SIZE instead of hardcoding the ATU size with
a pure number and using sizeof on the array.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christian Marangi 2023-01-25 21:35:16 +01:00 committed by David S. Miller
parent b34fc158d5
commit e03cea60c3
2 changed files with 8 additions and 4 deletions
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10
drivers/net/dsa/qca/qca8k-common.c
View File

@ -150,11 +150,12 @@ static int qca8k_busy_wait(struct qca8k_priv *priv, u32 reg, u32 mask)
static int qca8k_fdb_read(struct qca8k_priv *priv, struct qca8k_fdb *fdb)
{
u32 reg[3];
u32 reg[QCA8K_ATU_TABLE_SIZE];
int ret;
/* load the ARL table into an array */
ret = qca8k_bulk_read(priv, QCA8K_REG_ATU_DATA0, reg, sizeof(reg));
ret = qca8k_bulk_read(priv, QCA8K_REG_ATU_DATA0, reg,
QCA8K_ATU_TABLE_SIZE * sizeof(u32));
if (ret)
return ret;
@ -178,7 +179,7 @@ static int qca8k_fdb_read(struct qca8k_priv *priv, struct qca8k_fdb *fdb)
static void qca8k_fdb_write(struct qca8k_priv *priv, u16 vid, u8 port_mask,
const u8 *mac, u8 aging)
{
u32 reg[3] = { 0 };
u32 reg[QCA8K_ATU_TABLE_SIZE] = { 0 };
/* vid - 83:72 */
reg[2] = FIELD_PREP(QCA8K_ATU_VID_MASK, vid);
@ -195,7 +196,8 @@ static void qca8k_fdb_write(struct qca8k_priv *priv, u16 vid, u8 port_mask,
reg[0] |= FIELD_PREP(QCA8K_ATU_ADDR5_MASK, mac[5]);
/* load the array into the ARL table */
qca8k_bulk_write(priv, QCA8K_REG_ATU_DATA0, reg, sizeof(reg));
qca8k_bulk_write(priv, QCA8K_REG_ATU_DATA0, reg,
QCA8K_ATU_TABLE_SIZE * sizeof(u32));
}
static int qca8k_fdb_access(struct qca8k_priv *priv, enum qca8k_fdb_cmd cmd,

2
drivers/net/dsa/qca/qca8k.h
View File

@ -148,6 +148,8 @@
#define QCA8K_REG_IPV4_PRI_ADDR_MASK 0x474
/* Lookup registers */
#define QCA8K_ATU_TABLE_SIZE 3 /* 12 bytes wide table / sizeof(u32) */
#define QCA8K_REG_ATU_DATA0 0x600
#define QCA8K_ATU_ADDR2_MASK GENMASK(31, 24)
#define QCA8K_ATU_ADDR3_MASK GENMASK(23, 16)