net: add return value to packet receive handler

[qemu.git] / hw / stellaris_enet.c

diff --git a/hw/stellaris_enet.c b/hw/stellaris_enet.c
index 7f308290da6f707f73f63922c71dd4ea1a9201cc..f5b83e445c87da30c0c8cf8a04b083fc73188e71 100644 (file)
--- a/hw/stellaris_enet.c
+++ b/hw/stellaris_enet.c
@@ -78,7 +78,7 @@ static void stellaris_enet_update(stellaris_enet_state *s)
 }
 
 /* TODO: Implement MAC address filtering.  */
-static void stellaris_enet_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
+static ssize_t stellaris_enet_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
 {
     stellaris_enet_state *s = vc->opaque;
     int n;
@@ -86,10 +86,10 @@ static void stellaris_enet_receive(VLANClientState *vc, const uint8_t *buf, size
     uint32_t crc;
 
     if ((s->rctl & SE_RCTL_RXEN) == 0)
-        return;
+        return -1;
     if (s->np >= 31) {
         DPRINTF("Packet dropped\n");
-        return;
+        return -1;
     }
 
     DPRINTF("Received packet len=%d\n", size);
@@ -116,6 +116,8 @@ static void stellaris_enet_receive(VLANClientState *vc, const uint8_t *buf, size
 
     s->ris |= SE_INT_RX;
     stellaris_enet_update(s);
+
+    return size;
 }
 
 static int stellaris_enet_can_receive(VLANClientState *vc)