[PATCH v2 4/4] net: ethernet: ti: cpsw_ale: optimize cpsw_ale_restore()

Roger Quadros
2022-11-21T14:23:43Z

If an entry was FREE then we don't have to restore it.
This will make the restore faster in most cases.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
drivers/net/ethernet/ti/cpsw_ale.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 0c5e783e574c..41bcf34a22f8 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -1452,12 +1452,15 @@ void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data)
}
}

+/* ALE table should be cleared (ALE_CLEAR) before cpsw_ale_restore() */
void cpsw_ale_restore(struct cpsw_ale *ale, u32 *data)
{
- int i;
+ int i, type;

for (i = 0; i < ale->params.ale_entries; i++) {
- cpsw_ale_write(ale, i, data);
+ type = cpsw_ale_get_entry_type(data);
+ if (type != ALE_TYPE_FREE)
+ cpsw_ale_write(ale, i, data);
data += ALE_ENTRY_WORDS;
}
}
--
2.17.1