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| author | Florian Fainelli <florian.fainelli@broadcom.com> | 2026-09-22 16:24:35 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-09-28 17:06:42 -0700 |
| commit | 242935adfeb096f09b29fb2cfcf12f9eb2911fc6 (patch) | |
| tree | 44ad4c06590939f4796c5e2ecca1b7e974ad1812 /tools/perf/scripts/python | |
| parent | eb7b84af0ec5c71b4920e999611b466b3784496c (diff) | |
net: systemport: Fix RUNT MIB counter register offset calculation
In UniMAC hardware, there is a 0xC byte gap between the RX MIB counters
and the TX MIB counters, and a second 0xC byte gap between the TX MIB
counters and the RX RUNT MIB counters.
In bcm_sysport_update_mib_counters(), 'offset' was only set to
UMAC_MIB_STAT_OFFSET (0xC) for all non-RX counters, omitting the second
0xC gap for BCM_SYSPORT_STAT_RUNT counters. As a result, all 4 RUNT MIB
counters were read from unmapped gap register space.
Fix this by setting offset to 2 * UMAC_MIB_STAT_OFFSET (0x18) when
reading BCM_SYSPORT_STAT_RUNT counters.
Fixes: 80105befdb4b ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver")
Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de>
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20260922232440.598918-6-florian.fainelli@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions