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rtl8169: fix interrupt handling

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Matheus
2026-03-03 01:18:22 -03:00
parent b086212f21
commit 9418020ebb
1 changed files with 12 additions and 11 deletions
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kernel-src/io/net/rtl8169.c
+12 -11
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@@ -70,8 +70,8 @@ typedef struct {
typedef struct {
netdev_t netdev;
descriptor_t *tx_ring;
descriptor_t *rx_ring;
volatile descriptor_t *tx_ring;
volatile descriptor_t *rx_ring;
dpc_t tx_dpc;
dpc_t rx_dpc;
pcibar_t bar;
@@ -130,7 +130,7 @@ static void rtl8169_dpc_rx(context_t *, dpcarg_t arg) {
rtl8169dev_t *dev = arg;
while (!(dev->rx_ring[dev->rx_next].flags & DESCRIPTOR_OWN)) {
descriptor_t *descriptor = &dev->rx_ring[dev->rx_next];
volatile descriptor_t *descriptor = &dev->rx_ring[dev->rx_next];
void *buffer = MAKE_HHDM((void *)(descriptor->addr_low | ((uint64_t)descriptor->addr_high << 32)));
eth_process(&dev->netdev, buffer);
@@ -148,16 +148,17 @@ static void rtl8169_isr(isr_t *self, context_t *) {
rtl8169dev_t *dev = self->priv;
uint16_t status = inw(dev->bar.address + REGISTER_IRQ_STATUS);
if (!status)
return;
while (status) {
outw(dev->bar.address + REGISTER_IRQ_STATUS, status);
if (status & (REGISTER_IRQ_STATUS_TX_OK | REGISTER_IRQ_STATUS_TX_ERROR))
dpc_enqueue(&dev->tx_dpc, rtl8169_dpc_tx, dev);
if (status & (REGISTER_IRQ_STATUS_TX_OK | REGISTER_IRQ_STATUS_TX_ERROR))
dpc_enqueue(&dev->tx_dpc, rtl8169_dpc_tx, dev);
if (status & (REGISTER_IRQ_STATUS_RX_OK | REGISTER_IRQ_STATUS_RX_ERROR))
dpc_enqueue(&dev->rx_dpc, rtl8169_dpc_rx, dev);
if (status & (REGISTER_IRQ_STATUS_RX_OK | REGISTER_IRQ_STATUS_RX_ERROR))
dpc_enqueue(&dev->rx_dpc, rtl8169_dpc_rx, dev);
outw(dev->bar.address + REGISTER_IRQ_STATUS, status);
status = inw(dev->bar.address + REGISTER_IRQ_STATUS);
}
}
static int rtl8169_sendpacket(netdev_t *internal, netdesc_t desc, mac_t target, int proto) {
@@ -172,7 +173,7 @@ static int rtl8169_sendpacket(netdev_t *internal, netdesc_t desc, mac_t target,
long ipl = spinlock_acquire_raise_ipl(&netdev->tx_lock, IPL_DPC);
descriptor_t *descriptor = &netdev->tx_ring[netdev->tx_next];
volatile descriptor_t *descriptor = &netdev->tx_ring[netdev->tx_next];
uintptr_t physical_address = (uintptr_t)FROM_HHDM(desc.address);
descriptor->addr_low = physical_address & 0xffffffff;