From 4f1c942b7fb29864ad86cb3af9076da38f38f74e Mon Sep 17 00:00:00 2001 From: Mark McLoughlin Date: Mon, 18 May 2009 13:40:55 +0100 Subject: 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 --- hw/stellaris_enet.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'hw/stellaris_enet.c') diff --git a/hw/stellaris_enet.c b/hw/stellaris_enet.c index 7f308290da..f5b83e445c 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) -- cgit v1.2.3-55-g7522