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xilinx_ethlite: Flush queued packets on SW service 

Software services a received packet by clearing the CTRL_S bit in the RX_CTRLn
register. If this bit is cleared, flush any packets queued for the device.

Reported-by: John Williams <john.williams@xilinx.com>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Peter Crosthwaite 2013-01-26 12:36:23 -08:00 committed by Edgar E. Iglesias
parent 808fb9f277
commit 2f991adb8e
1 changed files with 5 additions and 2 deletions
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7
hw/xilinx_ethlite.c
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@ -135,11 +135,14 @@ eth_write(void *opaque, hwaddr addr,
break;
/* Keep these native. */
case R_RX_CTRL0:
case R_RX_CTRL1:
if (!(value & CTRL_S)) {
qemu_flush_queued_packets(&s->nic->nc);
}
case R_TX_LEN0:
case R_TX_LEN1:
case R_TX_GIE0:
case R_RX_CTRL0:
case R_RX_CTRL1:
D(qemu_log("%s addr=%x val=%x\n", __func__, addr * 4, value));
s->regs[addr] = value;
break;