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netdev: freeing of netdescs

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Matheus
2024-06-03 21:55:52 -03:00
parent 4c0940828c
commit 7053ed68af
5 changed files with 50 additions and 20 deletions
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kernel-src/io/net/vionet.c
+11 -4
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@@ -67,9 +67,9 @@ static void tx_dpc(context_t *context, dpcarg_t arg) {
while (netdev->txqueue.lastusedindex != VIO_QUEUE_DEV_IDX(&netdev->txqueue)) {
int idx = netdev->txqueue.lastusedindex++ % netdev->txqueue.size;
int buffidx = VIO_QUEUE_DEV_RING(&netdev->txqueue)[idx].index;
__assert(netdev->txwait[buffidx / 2]);
sched_wakeup(netdev->txwait[buffidx / 2], SCHED_WAKEUP_REASON_NORMAL);
netdev->txwait[buffidx / 2] = NULL;
__assert(netdev->txwait[buffidx]);
sched_wakeup(netdev->txwait[buffidx], SCHED_WAKEUP_REASON_NORMAL);
netdev->txwait[buffidx] = NULL;
buffers[buffidx].address = 0;
semaphore_signal(&netdev->txsem);
}
@@ -86,7 +86,8 @@ static void tx_irq(isr_t *isr, context_t *context) {
#define PREFIX_SIZE (sizeof(ethframe_t) + sizeof(vioframe_t))
// requested size doesn't account for ethernet header or the virtio header
static int vionet_allocdesc(size_t requestedsize, netdesc_t *desc) {
static int vionet_allocdesc(netdev_t *netdev, size_t requestedsize, netdesc_t *desc) {
__assert(requestedsize <= netdev->mtu);
size_t truesize = PREFIX_SIZE + requestedsize;
void *phys = pmm_allocpage(PMM_SECTION_DEFAULT);
if (phys == NULL)
@@ -98,6 +99,11 @@ static int vionet_allocdesc(size_t requestedsize, netdesc_t *desc) {
return 0;
}
static int vionet_freedesc(netdev_t *netdev, netdesc_t *desc) {
pmm_release(FROM_HHDM(desc->address));
return 0;
}
static int vionet_sendpacket(netdev_t *internal, netdesc_t desc, mac_t targetmac, int proto) {
vionetdev_t *netdev = (vionetdev_t *)internal;
vioframe_t vioframe = {
@@ -175,6 +181,7 @@ int vionet_newdevice(viodevice_t *viodevice) {
netdev->netdev.mtu = 1500;
netdev->netdev.sendpacket = vionet_sendpacket;
netdev->netdev.allocdesc = vionet_allocdesc;
netdev->netdev.freedesc = vionet_freedesc;
__assert(hashtable_init(&netdev->netdev.arpcache, 30) == 0);
// initialize queues