diff options
Diffstat (limited to 'linux/dev/glue/net.c')
| -rw-r--r-- | linux/dev/glue/net.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/linux/dev/glue/net.c b/linux/dev/glue/net.c index 93556db..4a989d3 100644 --- a/linux/dev/glue/net.c +++ b/linux/dev/glue/net.c @@ -290,6 +290,9 @@ netif_rx (struct sk_buff *skb) eh = (struct ether_header *) (net_kmsg (kmsg)->header); ph = (struct packet_header *) (net_kmsg (kmsg)->packet); memcpy (eh, skb->data, sizeof (struct ether_header)); + + /* packet is prefixed with a struct packet_header, + see include/device/net_status.h. */ memcpy (ph + 1, skb->data + sizeof (struct ether_header), skb->len - sizeof (struct ether_header)); ph->type = eh->ether_type; @@ -298,6 +301,8 @@ netif_rx (struct sk_buff *skb) dev_kfree_skb (skb, FREE_READ); + net_kmsg(kmsg)->sent = FALSE; /* Mark packet as received. */ + /* Pass packet up to the microkernel. */ net_packet (&dev->net_data->ifnet, kmsg, ph->length, ethernet_priority (kmsg)); @@ -484,6 +489,34 @@ device_write (void *d, ipc_port_t reply_port, } splx (s); + /* Send packet to filters. */ + { + struct packet_header *packet; + struct ether_header *header; + ipc_kmsg_t kmsg; + + kmsg = net_kmsg_get (); + + if (kmsg != IKM_NULL) + { + /* Suitable for Ethernet only. */ + header = (struct ether_header *) (net_kmsg (kmsg)->header); + packet = (struct packet_header *) (net_kmsg (kmsg)->packet); + memcpy (header, skb->data, sizeof (struct ether_header)); + + /* packet is prefixed with a struct packet_header, + see include/device/net_status.h. */ + memcpy (packet + 1, skb->data + sizeof (struct ether_header), + skb->len - sizeof (struct ether_header)); + packet->length = skb->len - sizeof (struct ether_header) + + sizeof (struct packet_header); + packet->type = header->ether_type; + net_kmsg (kmsg)->sent = TRUE; /* Mark packet as sent. */ + net_packet (&dev->net_data->ifnet, kmsg, packet->length, + ethernet_priority (kmsg)); + } + } + return MIG_NO_REPLY; } |