net: sandbox: Add a priv ptr for tests to use
Tests need to be able to pass their "unit test state" to the handlers
where asserts are evaluated. Add a function that allows the tests to set
this private data on the sandbox eth device.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/sandbox/include/asm/eth.h b/arch/sandbox/include/asm/eth.h
index 7a49e98..a6adec4 100644
--- a/arch/sandbox/include/asm/eth.h
+++ b/arch/sandbox/include/asm/eth.h
@@ -59,6 +59,7 @@
* recv_packet_length - lengths of the packet returned as received
* recv_packets - number of packets returned
* tx_handler - function to generate responses to sent packets
+ * priv - a pointer to some structure a test may want to keep track of
*/
struct eth_sandbox_priv {
uchar fake_host_hwaddr[ARP_HLEN];
@@ -68,6 +69,7 @@
int recv_packet_length[PKTBUFSRX];
int recv_packets;
sandbox_eth_tx_hand_f *tx_handler;
+ void *priv;
};
/*
@@ -77,4 +79,11 @@
*/
void sandbox_eth_set_tx_handler(int index, sandbox_eth_tx_hand_f *handler);
+/*
+ * Set priv ptr
+ *
+ * priv - priv void ptr to store in the device
+ */
+void sandbox_eth_set_priv(int index, void *priv);
+
#endif /* __ETH_H */
diff --git a/drivers/net/sandbox.c b/drivers/net/sandbox.c
index 9c0e0d0..e26e72e 100644
--- a/drivers/net/sandbox.c
+++ b/drivers/net/sandbox.c
@@ -206,6 +206,26 @@
priv->tx_handler = sb_default_handler;
}
+/*
+ * Set priv ptr
+ *
+ * priv - priv void ptr to store in the device
+ */
+void sandbox_eth_set_priv(int index, void *priv)
+{
+ struct udevice *dev;
+ struct eth_sandbox_priv *dev_priv;
+ int ret;
+
+ ret = uclass_get_device(UCLASS_ETH, index, &dev);
+ if (ret)
+ return;
+
+ dev_priv = dev_get_priv(dev);
+
+ dev_priv->priv = priv;
+}
+
static int sb_eth_start(struct udevice *dev)
{
struct eth_sandbox_priv *priv = dev_get_priv(dev);