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Kernel: Make sure the E1000 network adapter keeps receiving packets #6669

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merged 5 commits into from
Apr 27, 2021
Merged

Kernel: Make sure the E1000 network adapter keeps receiving packets #6669

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3cf5066
Kernel: Make sure the E1000 network adapter keeps receiving packets
gunnarbeutner Apr 26, 2021
da1bb35
Kernel: Use macros instead of hard-coded magic values
gunnarbeutner Apr 26, 2021
2376288
Kernel: Add logging for E1000 RX buffer overrun
gunnarbeutner Apr 26, 2021
c1e5400
Kernel: Avoid resetting the IRQ mask for E1000 on each interrupt
gunnarbeutner Apr 26, 2021
c1e45ca
Kernel: Move PCI vendor and device IDs into Kernel/PCI/IDs.h
gunnarbeutner Apr 27, 2021
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Kernel: Add logging for E1000 RX buffer overrun
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@gunnarbeutner
gunnarbeutner committed Apr 27, 2021
commit 2376288787681935f19b79170d79aa0b4e3b329d
5 changes: 4 additions & 1 deletion Kernel/Net/E1000NetworkAdapter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -207,7 +207,7 @@ UNMAP_AFTER_INIT E1000NetworkAdapter::E1000NetworkAdapter(PCI::Address address,
initialize_tx_descriptors();

out32(REG_INTERRUPT_MASK_SET, 0x1f6dc);
out32(REG_INTERRUPT_MASK_SET, INTERRUPT_LSC | INTERRUPT_RXT0);
out32(REG_INTERRUPT_MASK_SET, INTERRUPT_LSC | INTERRUPT_RXT0 | INTERRUPT_RXO);
in32(REG_INTERRUPT_CAUSE_READ);

enable_irq();
Expand All @@ -232,6 +232,9 @@ void E1000NetworkAdapter::handle_irq(const RegisterState&)
if (status & INTERRUPT_RXDMT0) {
// Threshold OK?
}
if (status & INTERRUPT_RXO) {
dbgln_if(E1000_DEBUG, "E1000: RX buffer overrun");
}
if (status & INTERRUPT_RXT0) {
receive();
}
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