diff options
| author | Baruch Siach <[email protected]> | 2023-11-13 19:42:50 +0200 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2023-11-14 19:48:03 -0800 |
| commit | b6cb4541853c7ee512111b0e7ddf3cb66c99c137 (patch) | |
| tree | 10fb2588097cbe8ba8dff158ff083d325e3a4211 /tools/perf/scripts/python/stackcollapse.py | |
| parent | fa02de9e75889915b554eda1964a631fd019973b (diff) | |
net: stmmac: avoid rx queue overrun
dma_rx_size can be set as low as 64. Rx budget might be higher than
that. Make sure to not overrun allocated rx buffers when budget is
larger.
Leave one descriptor unused to avoid wrap around of 'dirty_rx' vs
'cur_rx'.
Signed-off-by: Baruch Siach <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
Fixes: 47dd7a540b8a ("net: add support for STMicroelectronics Ethernet controllers.")
Link: https://lore.kernel.org/r/d95413e44c97d4692e72cec13a75f894abeb6998.1699897370.git.baruch@tkos.co.il
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions