Message ID | fb1b5d76-55ca-428d-9ca5-a6e172782381@CH1EHSMHS024.ehs.local |
---|---|
State | New |
Headers | show |
On Sat, Jan 26, 2013 at 12:36:22PM -0800, Peter Crosthwaite wrote: > The eth_can_rx() function only checks the first buffers status ("ping"). The > controller should be able to receive into "pong" when ping-pong is enabled. > Checks the active buffer (either "ping" or "pong") when determining can_rx() > rather than just testing "ping". Ouch, good catch! Applied the patch thanks > > Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> > --- > hw/xilinx_ethlite.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/hw/xilinx_ethlite.c b/hw/xilinx_ethlite.c > index 2254851..972b85e 100644 > --- a/hw/xilinx_ethlite.c > +++ b/hw/xilinx_ethlite.c > @@ -163,9 +163,9 @@ static const MemoryRegionOps eth_ops = { > static int eth_can_rx(NetClientState *nc) > { > struct xlx_ethlite *s = DO_UPCAST(NICState, nc, nc)->opaque; > - int r; > - r = !(s->regs[R_RX_CTRL0] & CTRL_S); > - return r; > + unsigned int rxbase = s->rxbuf * (0x800 / 4); > + > + return !(s->regs[rxbase + R_RX_CTRL0] & CTRL_S); > } > > static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size) > -- > 1.7.12.1.396.g16eed7c > >
diff --git a/hw/xilinx_ethlite.c b/hw/xilinx_ethlite.c index 2254851..972b85e 100644 --- a/hw/xilinx_ethlite.c +++ b/hw/xilinx_ethlite.c @@ -163,9 +163,9 @@ static const MemoryRegionOps eth_ops = { static int eth_can_rx(NetClientState *nc) { struct xlx_ethlite *s = DO_UPCAST(NICState, nc, nc)->opaque; - int r; - r = !(s->regs[R_RX_CTRL0] & CTRL_S); - return r; + unsigned int rxbase = s->rxbuf * (0x800 / 4); + + return !(s->regs[rxbase + R_RX_CTRL0] & CTRL_S); } static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size)
The eth_can_rx() function only checks the first buffers status ("ping"). The controller should be able to receive into "pong" when ping-pong is enabled. Checks the active buffer (either "ping" or "pong") when determining can_rx() rather than just testing "ping". Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> --- hw/xilinx_ethlite.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)