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vionet: rx

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Matheus
2024-03-30 18:40:39 -03:00
parent 0a96bcf68d
commit 63713ee670
1 changed files with 18 additions and 1 deletions
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kernel-src/io/net/vionet.c
+18 -1
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@@ -41,8 +41,24 @@ typedef struct {
static hashtable_t irqtable; // isr id -> netdev
static void rx_dpc(context_t *context, dpcarg_t arg) {
vionetdev_t *netdev = arg;
volatile viobuffer_t *buffers = VIO_QUEUE_BUFFERS(&netdev->rxqueue);
while (netdev->rxqueue.lastusedindex != VIO_QUEUE_DEV_IDX(&netdev->rxqueue)) {
int idx = netdev->rxqueue.lastusedindex++ % netdev->rxqueue.size;
int buffidx = VIO_QUEUE_DEV_RING(&netdev->rxqueue)[idx].index;
void *ethbufferphys = (void *)(buffers[buffidx].address + sizeof(vioframe_t));
eth_process((netdev_t *)netdev, MAKE_HHDM(ethbufferphys));
VIO_QUEUE_DRV_RING(&netdev->rxqueue)[VIO_QUEUE_DRV_IDX(&netdev->rxqueue)++] = buffidx;
*netdev->rxqueue.notify = 0;
}
}
static void rx_irq(isr_t *isr, context_t *context) {
__assert(!"rxirq");
void *v;
__assert(hashtable_get(&irqtable, &v, &isr->id, sizeof(isr->id)) == 0);
vionetdev_t *netdev = v;
dpc_enqueue(&netdev->txdpc, rx_dpc, netdev);
}
static void tx_dpc(context_t *context, dpcarg_t arg) {
@@ -162,6 +178,7 @@ int vionet_newdevice(viodevice_t *viodevice) {
netdev->netdev.mtu = 1500;
netdev->netdev.sendpacket = vionet_sendpacket;
netdev->netdev.allocdesc = vionet_allocdesc;
__assert(hashtable_init(&netdev->netdev.arpcache, 30) == 0);
// initialize queues
size_t rxsize = min(QUEUE_MAX_SIZE, virtio_queuesize(viodevice, 0));