[PATCH net-next 16/17] net: dsa: mv88e6xxx: size ATU snapshot buffer and region by num_macs
From: Luke Howard <hidden>
Date: 2026-07-03 07:47:56
Also in:
lkml
Subsystem:
marvell 88e6xxx ethernet switch fabric driver, networking drivers, networking [dsa], the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vladimir Oltean, Linus Torvalds
The ATU devlink region and its snapshot buffer are both sized by the
number of forwarding databases, but the ATU can hold up to
mv88e6xxx_num_macs() entries (which is 8192 on the 6352 series).
Fixes: bfb255428966 ("net: dsa: mv88e6xxx: Add devlink regions")
Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Luke Howard <redacted>
---
drivers/net/dsa/mv88e6xxx/devlink.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/devlink.c b/drivers/net/dsa/mv88e6xxx/devlink.c
index 6f034841883c6..6d7da381f9f38 100644
--- a/drivers/net/dsa/mv88e6xxx/devlink.c
+++ b/drivers/net/dsa/mv88e6xxx/devlink.c@@ -380,7 +380,7 @@ static int mv88e6xxx_region_atu_snapshot(struct devlink *dl, int fid = -1, err = 0, count = 0; table = kzalloc_objs(struct mv88e6xxx_devlink_atu_entry, - mv88e6xxx_num_databases(chip)); + mv88e6xxx_num_macs(chip)); if (!table) return -ENOMEM;
@@ -776,7 +776,7 @@ int mv88e6xxx_setup_devlink_regions_global(struct dsa_switch *ds) switch (i) { case MV88E6XXX_REGION_ATU: - size = mv88e6xxx_num_databases(chip) * + size = mv88e6xxx_num_macs(chip) * sizeof(struct mv88e6xxx_devlink_atu_entry); break; case MV88E6XXX_REGION_VTU:
--
2.43.0