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| author | Mark McLoughlin <markmc@redhat.com> | 2009-05-18 13:40:55 +0100 |
|---|---|---|
| committer | Mark McLoughlin <markmc@redhat.com> | 2009-06-09 11:38:49 +0100 |
| commit | 4f1c942b7fb29864ad86cb3af9076da38f38f74e (patch) | |
| tree | 2f51a121e715476c3986c0ae0b4513be555d8ee8 /hw/stellaris_enet.c | |
| parent | e3f5ec2b5e92706e3b807059f79b1fb5d936e567 (diff) | |
| download | qemu-4f1c942b7fb29864ad86cb3af9076da38f38f74e.zip qemu-4f1c942b7fb29864ad86cb3af9076da38f38f74e.tar.gz qemu-4f1c942b7fb29864ad86cb3af9076da38f38f74e.tar.bz2 | |
net: add return value to packet receive handler
This allows us to handle queue full conditions rather than dropping
the packet on the floor.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Diffstat (limited to 'hw/stellaris_enet.c')
| -rw-r--r-- | hw/stellaris_enet.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/stellaris_enet.c b/hw/stellaris_enet.c index 7f30829..f5b83e4 100644 --- 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) |