mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

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: a63ed92d21 ("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>
This commit is contained in:
Maxim Kochetkov 2020-10-19 08:06:25 +03:00 committed by Jakub Kicinski
parent 26ebd6fed9
commit a15a6afb3b
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/dsa/ocelot/seville_vsc9953.c
View File

@ -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,