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Kernel: Use regular kmalloc for buffers in rtl8139 driver

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This commit is contained in:
Conrad Pankoff 2019-09-03 23:12:12 +10:00 committed by Andreas Kling
parent 87808e535a
commit ff2997f018
Notes: sideshowbarker 2024-07-19 12:22:06 +09:00 
Author: https://github.com/deoxxa
Commit: https://github.com/SerenityOS/serenity/commit/ff2997f0186
Pull-request: https://github.com/SerenityOS/serenity/pull/515
1 changed files with 4 additions and 9 deletions
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13
Kernel/Net/RTL8139NetworkAdapter.cpp
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@ -131,21 +131,16 @@ RTL8139NetworkAdapter::RTL8139NetworkAdapter(PCI::Address pci_address, u8 irq)
// we add space to account for overhang from the last packet - the rtl8139
// can optionally guarantee that packets will be contiguous by
// purposefully overrunning the rx buffer
auto rx_buffer_addr = (u32)kmalloc_eternal(RX_BUFFER_SIZE + PACKET_SIZE_MAX);
if (rx_buffer_addr % 16)
rx_buffer_addr = (rx_buffer_addr + 16) - (rx_buffer_addr % 16);
m_rx_buffer_addr = rx_buffer_addr;
m_rx_buffer_addr = (u32)kmalloc_aligned(RX_BUFFER_SIZE + PACKET_SIZE_MAX, 16);
kprintf("RTL8139: RX buffer: P%p\n", m_rx_buffer_addr);
auto tx_buffer_addr = (u32)kmalloc_aligned(TX_BUFFER_SIZE * 4, 16);
for (int i = 0; i < RTL8139_TX_BUFFER_COUNT; i++) {
auto tx_buffer_addr = (u32)kmalloc_eternal(TX_BUFFER_SIZE);
if (tx_buffer_addr % 16)
tx_buffer_addr = (tx_buffer_addr + 16) - (tx_buffer_addr % 16);
m_tx_buffer_addr[i] = tx_buffer_addr;
m_tx_buffer_addr[i] = tx_buffer_addr + TX_BUFFER_SIZE * i;
kprintf("RTL8139: TX buffer %d: P%p\n", i, m_tx_buffer_addr[i]);
}
m_packet_buffer = (u32)kmalloc_eternal(PACKET_SIZE_MAX);
m_packet_buffer = (u32)kmalloc(PACKET_SIZE_MAX);
kprintf("RTL8139: Packet buffer: P%p\n", m_packet_buffer);
reset();