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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/ipv4.c
+3 -3
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@@ -166,7 +166,7 @@ int ipv4_sendpacket(void *buffer, size_t packetsize, uint32_t ip, int proto, net
if (ip != IPV4_BROADCAST_ADDRESS) {
routingentry_t entry = getroute(ip);
if (entry.netdev == NULL)
return 0; // if a packet can't be routed to anywhere just pretend it was sent somewhere
return ENETUNREACH;
int error = arp_lookup(entry.netdev, entry.gateway ? entry.gateway : ip, &mac);
if (error)
@@ -187,14 +187,14 @@ int ipv4_sendpacket(void *buffer, size_t packetsize, uint32_t ip, int proto, net
for (int i = 0; i < fragmentcount; ++i) {
size_t fragmentlen = (i == fragmentcount - 1) ? packetsize - devfragmentsize * (fragmentcount - 1) : devfragmentsize;
netdesc_t fragdesc;
int e = netdev->allocdesc(fragmentlen + sizeof(ipv4frame_t), &fragdesc);
int e = netdev->allocdesc(netdev, fragmentlen + sizeof(ipv4frame_t), &fragdesc);
if (e)
return e;
memcpy((void *)((uintptr_t)fragdesc.address + fragdesc.curroffset + sizeof(ipv4frame_t)), (void *)((uintptr_t)buffer + i * devfragmentsize), fragmentlen);
e = dispatch_fragment(netdev, fragdesc, i * devfragmentsize, fragmentlen, 0x1234, ip, mac, proto, i == fragmentcount - 1);
// TODO unallocate desc
netdev->freedesc(netdev, &fragdesc);
if (e)
return e;
}