net: add an API for 'raw' packets
In the case where a NIC and backend agree on a packet header format,
this API allows injecting packets which lack the agreed upon header.
We need this for sending our gratuitous ARP.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/net.h b/net.h
index 7078708..489266b 100644
--- a/net.h
+++ b/net.h
@@ -45,6 +45,7 @@
struct VLANClientState {
net_client_type type;
NetReceive *receive;
+ NetReceive *receive_raw;
NetReceiveIOV *receive_iov;
/* Packets may still be sent if this returns zero. It's used to
rate-limit the slirp code. */
@@ -89,6 +90,7 @@
ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
int iovcnt, NetPacketSent *sent_cb);
void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
+ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
int size, NetPacketSent *sent_cb);
void qemu_purge_queued_packets(VLANClientState *vc);
