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| author | Maxim Kochetkov <fido_max@inbox.ru> | 2020-10-19 08:06:25 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-10-20 04:03:42 +0300 |
| commit | a15a6afb3bf9388eb83a4b876d3453f305fba909 (patch) | |
| tree | 3a27fd728ada99580e1f5216f4e08b41e4af355d /drivers/net/dsa | |
| parent | 26ebd6fed9bb3aa480c7c0f147ac0e7b11000f65 (diff) | |
| download | linux-a15a6afb3bf9388eb83a4b876d3453f305fba909.tar.xz | |
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')
| -rw-r--r-- | drivers/net/dsa/ocelot/seville_vsc9953.c | 2 |
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, |