mirror of
https://github.com/genodelabs/genode.git
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23 lines
875 B
Diff
23 lines
875 B
Diff
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iwlwifi: limit rx bufs to 2048
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Recent devices are configured with 4096 RX pages that lead to an
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increased memory usage. For the moment lower the amount to 2048
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and treat in potientially lower throughput for more conservative
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memory consumption.
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diff --git src/linux/drivers/net/wireless/intel/iwlwifi/pcie/drv.c src/linux/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
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index dea4d6478..f063e22c1 100644
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--- src/linux/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
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+++ src/linux/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
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@@ -1467,6 +1467,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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u16_get_bits(link_status, PCI_EXP_LNKSTA_CLS);
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}
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+ /* limit some recent cards that use 4096 */
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+ if (trans_pcie->num_rx_bufs > 2048)
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+ trans_pcie->num_rx_bufs = 2048;
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+
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ret = iwl_trans_init(iwl_trans);
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if (ret)
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goto out_free_trans;
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