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authorMaxim Kochetkov <fido_max@inbox.ru>2020-10-19 08:06:25 +0300
committerJakub Kicinski <kuba@kernel.org>2020-10-19 18:03:42 -0700
commita15a6afb3bf9388eb83a4b876d3453f305fba909 (patch)
tree3a27fd728ada99580e1f5216f4e08b41e4af355d /drivers/net/dsa/ocelot
parent26ebd6fed9bb3aa480c7c0f147ac0e7b11000f65 (diff)
net: dsa: seville: the packet buffer is 2 megabits, not megabytes
The VSC9953 Seville switch has 2 megabits of buffer split into 4360 words of 60 bytes each. 2048 * 1024 is 2 megabytes instead of 2 megabits. 2 megabits is (2048 / 8) * 1024 = 256 * 1024. Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Fixes: a63ed92d217f ("net: dsa: seville: fix buffer size of the queue system") Link: https://lore.kernel.org/r/20201019050625.21533-1-fido_max@inbox.ru Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/ocelot')
-rw-r--r--drivers/net/dsa/ocelot/seville_vsc9953.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c
index 76576cf0ba8a..1d420c4a2f0f 100644
--- a/drivers/net/dsa/ocelot/seville_vsc9953.c
+++ b/drivers/net/dsa/ocelot/seville_vsc9953.c
@@ -1181,7 +1181,7 @@ static const struct felix_info seville_info_vsc9953 = {
.stats_layout = vsc9953_stats_layout,
.num_stats = ARRAY_SIZE(vsc9953_stats_layout),
.vcap = vsc9953_vcap_props,
- .shared_queue_sz = 2048 * 1024,
+ .shared_queue_sz = 256 * 1024,
.num_mact_rows = 2048,
.num_ports = 10,
.mdio_bus_alloc = vsc9953_mdio_bus_alloc,