net: echo_client: Add support for Bluetooth

This enables using echo_client with Bluetooth by passing
CONF_FILE=prj_bt.conf, it is also enabled for testing so changes to
echo_client are actually tested with NETWORKING_WITH_BT.

Change-Id: I1ff83a9d0049e121dc7e406656e3282b16ee8c91
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

samples/net/echo_client/Makefile

@@ -20,7 +20,12 @@ NET_IFACE ?= slip
 MDEF_FILE = prj.mdef
 KERNEL_TYPE ?= nano
 BOARD ?= qemu_x86
-CONF_FILE = prj_$(NET_IFACE).conf
+CONF_FILE ?= prj_$(NET_IFACE).conf
 
 include $(ZEPHYR_BASE)/Makefile.inc
-include $(ZEPHYR_BASE)/samples/net/echo_server/Makefile.ipstack
+
+ifeq ($(CONFIG_NETWORKING_WITH_BT), n)
+	include $(ZEPHYR_BASE)/samples/net/echo_server/Makefile.ipstack
+else
+	QEMU_EXTRA_FLAGS = -serial unix:/tmp/bt-server-bredr
+endif

samples/net/echo_client/prj_bt.conf

@@ -0,0 +1,15 @@
+CONFIG_TEST_RANDOM_GENERATOR=y
+CONFIG_BLUETOOTH=y
+CONFIG_BLUETOOTH_LE=y
+CONFIG_BLUETOOTH_DEBUG=y
+CONFIG_BLUETOOTH_SMP=y
+CONFIG_BLUETOOTH_SIGNING=y
+CONFIG_BLUETOOTH_PERIPHERAL=y
+CONFIG_BLUETOOTH_L2CAP_DYNAMIC_CHANNEL=y
+CONFIG_NETWORKING=y
+CONFIG_NETWORKING_WITH_LOGGING=y
+CONFIG_NETWORKING_WITH_6LOWPAN=y
+CONFIG_6LOWPAN_COMPRESSION_IPHC=y
+CONFIG_NETWORKING_WITH_BT=y
+CONFIG_IP_BUF_RX_SIZE=5
+CONFIG_IP_BUF_TX_SIZE=3

samples/net/echo_client/src/Makefile

@@ -2,5 +2,10 @@ ccflags-y +=-I${srctree}/net/ip/contiki
 ccflags-y +=-I${srctree}/net/ip/contiki/os/lib
 ccflags-y +=-I${srctree}/net/ip/contiki/os
 ccflags-y +=-I${srctree}/net/ip
+ccflags-y +=-I${srctree}/samples/bluetooth/
 
 obj-y = echo-client.o
+
+ifeq ($(CONFIG_NETWORKING_WITH_BT), y)
+	obj-y += ../../../bluetooth/ipsp/src/ipss.o
+endif

samples/net/echo_client/src/echo-client.c

@@ -44,6 +44,9 @@
 #include <contiki/ip/uip.h>
 #include <contiki/ipv6/uip-ds6.h>
 
+#include <bluetooth/bluetooth.h>
+#include <ipsp/src/ipss.h>
+
 /* Generated by http://www.lipsum.com/
  * 3 paragraphs, 176 words, 1230 bytes of Lorem Ipsum
  */
@@ -58,6 +61,7 @@ static const char *lorem_ipsum =
 static int expecting;
 static int ipsum_len;
 
+#if !defined(CONFIG_BLUETOOTH)
 #if defined(CONFIG_NETWORKING_IPV6_NO_ND)
 /* The peer is the server in our case. Just invent a mac
  * address for it because lower parts of the stack cannot set it
@@ -67,6 +71,7 @@ static uint8_t peer_mac[] = { 0x0a, 0xbe, 0xef, 0x15, 0xf0, 0x0d };
 #endif
 
 static uint8_t my_mac[] = { 0x15, 0x0a, 0xbe, 0xef, 0xf0, 0x0d };
+#endif
 
 #if defined(CONFIG_NETWORKING_WITH_IPV6)
 #if 0
@@ -107,6 +112,7 @@ static inline void init_app(void)
 
 	sys_rand32_init();
 
+#if !defined(CONFIG_BLUETOOTH)
 	net_set_mac(my_mac, sizeof(my_mac));
 
 #if defined(CONFIG_NETWORKING_WITH_IPV4)
@@ -140,6 +146,7 @@ static inline void init_app(void)
 		uip_ds6_addr_add(addr, 0, ADDR_MANUAL);
 	}
 #endif
+#endif
 }
 
 static inline void reverse(unsigned char *buf, int len)
@@ -371,6 +378,15 @@ void main(void)
 
 	ipsum_len = strlen(lorem_ipsum);
 
+#if defined(CONFIG_NETWORKING_WITH_BT)
+	if (bt_enable(NULL)) {
+		PRINT("Bluetooth init failed\n");
+		return;
+	}
+	ipss_init();
+	ipss_advertise();
+#endif
+
 	if (!get_context(&unicast, &multicast)) {
 		PRINT("%s: Cannot get network context\n", __func__);
 		return;

samples/net/echo_client/testcase.ini

@@ -3,3 +3,10 @@ tags = net
 build_only = true
 arch_whitelist = x86
 platform_whitelist = minnowboard
+
+[test_bt]
+tags = net,bluetooth
+build_only = true
+extra_args = CONF_FILE="prj_bt.conf"
+arch_whitelist = x86
+platform_whitelist = minnowboard

samples/net/echo_server/prj_bt.conf

@@ -1,6 +1,7 @@
 CONFIG_BLUETOOTH=y
 CONFIG_BLUETOOTH_LE=y
 CONFIG_BLUETOOTH_DEBUG=y
+CONFIG_BLUETOOTH_DEBUG_L2CAP=y
 CONFIG_BLUETOOTH_SMP=y
 CONFIG_BLUETOOTH_SIGNING=y
 CONFIG_BLUETOOTH_PERIPHERAL=y