Baruch Siach b6cb454185 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 <baruch@tkos.co.il> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> Fixes: 47dd7a540b ("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 <kuba@kernel.org>		2023-11-14 19:48:03 -08:00
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stmmac	net: stmmac: avoid rx queue overrun	2023-11-14 19:48:03 -08:00
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