From 88fc1eee615e1b5a2c95f553f2425fd062e82a8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josef=20S=C3=B6ntgen?= <josef.soentgen@genode-labs.com>
Date: Mon, 9 Mar 2015 14:31:26 +0100
Subject: [PATCH] wifi_drv: add verbose attribute in config node

Among others, the driver will now print the MAC address of the wireless
device when 'verbose="yes"' is added to <config>.

Issue #1439.
---
 repos/dde_linux/src/drivers/wifi/main.cc | 5 +++++
 repos/dde_linux/src/lib/wifi/nic.cc      | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/repos/dde_linux/src/drivers/wifi/main.cc b/repos/dde_linux/src/drivers/wifi/main.cc
index 4577af01d..05008200f 100644
--- a/repos/dde_linux/src/drivers/wifi/main.cc
+++ b/repos/dde_linux/src/drivers/wifi/main.cc
@@ -15,6 +15,7 @@
 #include <base/env.h>
 #include <base/sleep.h>
 #include <os/attached_rom_dataspace.h>
+#include <os/config.h>
 #include <os/server.h>
 #include <util/xml_node.h>
 
@@ -27,6 +28,7 @@ extern void wifi_init(Server::Entrypoint &, Genode::Lock &);
 extern "C" void wpa_conf_reload(void);
 extern "C" ssize_t wpa_write_conf(char const *, Genode::size_t);
 
+bool config_verbose = false;
 
 static Genode::Lock &wpa_startup_lock()
 {
@@ -222,6 +224,9 @@ struct Main
 	:
 		_ep(ep)
 	{
+		try {
+			config_verbose = Genode::config()->xml_node().attribute("verbose").has_value("yes");
+		} catch (...) { }
 		_wpa = new (Genode::env()->heap()) Wpa_thread(wpa_startup_lock());
 
 		_wpa->start();
diff --git a/repos/dde_linux/src/lib/wifi/nic.cc b/repos/dde_linux/src/lib/wifi/nic.cc
index 4af56cb96..da5ed2f27 100644
--- a/repos/dde_linux/src/lib/wifi/nic.cc
+++ b/repos/dde_linux/src/lib/wifi/nic.cc
@@ -30,6 +30,7 @@
 # include <net/cfg80211.h>
 #include <extern_c_end.h>
 
+extern bool config_verbose;
 
 enum {
 	HEAD_ROOM = 128, /* XXX guessed value but works */
@@ -409,6 +410,11 @@ extern "C" int register_netdevice(struct net_device *ndev)
 	/* set mac adress */
 	Genode::memcpy(ndev->perm_addr, ndev->ieee80211_ptr->wiphy->perm_addr, ETH_ALEN);
 
+	if (config_verbose)
+		PINF("mac_address: %02x:%02x:%02x:%02x:%02x:%02x",
+		     ndev->perm_addr[0], ndev->perm_addr[1], ndev->perm_addr[2],
+		     ndev->perm_addr[3], ndev->perm_addr[4], ndev->perm_addr[5]);
+
 	int err = ndev->netdev_ops->ndo_open(ndev);
 	if (err) {
 		PERR("ndev->netdev_ops->ndo_open(ndev): %d", err);