rxbuf_ptr() points to the beginning of a (RAM) RX buffer
within the device state.

Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
---
 hw/net/xilinx_ethlite.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/hw/net/xilinx_ethlite.c b/hw/net/xilinx_ethlite.c
index d4882f43f7..fdbf25fd91 100644
--- a/hw/net/xilinx_ethlite.c
+++ b/hw/net/xilinx_ethlite.c
@@ -99,6 +99,13 @@ static void *txbuf_ptr(XlnxXpsEthLite *s, unsigned 
port_index)
     return &s->regs[rxbase + R_TX_BUF0];
 }
 
+static void *rxbuf_ptr(XlnxXpsEthLite *s, unsigned port_index)
+{
+    unsigned int rxbase = port_index * (0x800 / 4);
+
+    return &s->regs[rxbase + R_RX_BUF0];
+}
+
 static uint64_t
 eth_read(void *opaque, hwaddr addr, unsigned int size)
 {
@@ -220,7 +227,7 @@ static ssize_t eth_rx(NetClientState *nc, const uint8_t 
*buf, size_t size)
         trace_ethlite_pkt_size_too_big(size);
         return -1;
     }
-    memcpy(&s->regs[rxbase + R_RX_BUF0], buf, size);
+    memcpy(rxbuf_ptr(s, port_index), buf, size);
 
     s->regs[rxbase + R_RX_CTRL0] |= CTRL_S;
     if (s->regs[R_RX_CTRL0] & CTRL_I) {
-- 
2.45.2


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