EMAC adaption added, updated ODIN drivers to v2.5.0 RC1

Author: Asif Rizwan

features/FEATURE_LWIP/lwip-interface/LWIPInterface.cpp

@@ -587,6 +587,11 @@ nsapi_error_t LWIP::Interface::bringdown()
 #if LWIP_IPV6
     mbed_lwip_clear_ipv6_addresses(&netif);
 #endif
+#if LWIP_IPV4
+    ip_addr_set_zero(&(netif.ip_addr));
+    ip_addr_set_zero(&(netif.netmask));
+    ip_addr_set_zero(&(netif.gw));
+#endif
 
     osSemaphoreDelete(has_any_addr);
     osSemaphoreAttr_t attr;

features/FEATURE_LWIP/lwip-interface/lwip-sys/lwip_random.c

@@ -18,11 +18,28 @@
 #include "lwip/debug.h"
 #include "lwip/def.h"
 #include "lwip_random.h"
+
+#if defined(DEVICE_TRNG)
+#include "hal/trng_api.h"
+#endif
+
 #include "randLIB.h"
 
 void lwip_seed_random(void)
 {
+#if defined(DEVICE_TRNG)
+    uint32_t result;
+    size_t olen;
+    trng_t trng_obj;
+
+    trng_init(&trng_obj);
+    trng_get_bytes(&trng_obj, (uint8_t*)&result, sizeof result, &olen);
+    trng_free(&trng_obj);
+
+    srand(result);
+#else
     randLIB_seed_random();
+#endif
 }
 
 void lwip_add_random_seed(uint64_t seed)

features/netsocket/emac-drivers/TARGET_STM_EMAC/TARGET_STM32F4/TARGET_UBLOX_EVK_ODIN_W2/stm32f4_eth_init.c renamed to features/netsocket/emac-drivers/TARGET_STM_EMAC/TARGET_STM32F4/TARGET_UBLOX_EVK_ODIN_W2/stm32f4_eth_init.cpp

@@ -0,0 +1 @@
+

features/netsocket/emac-drivers/TARGET_STM_EMAC/TARGET_STM32F4/TARGET_UBLOX_EVK_ODIN_W2/wifi_emac/.mbedignore

@@ -0,0 +1,304 @@
+#if DEVICE_WIFI
+
+#include "mbed_interface.h"
+#include "mbed_assert.h"
+#include "netsocket/nsapi_types.h"
+
+#include "wifi_emac.h"
+
+#include "cb_wlan_target_data.h"
+#include "cb_wlan_types.h"
+#include "cb_wlan.h"
+#include "cb_otp.h"
+#include "cb_main.h"
+
+#define WIFI_EMAC_MTU_SIZE  (1500U)
+static const char _ifname[] = "WL0";
+
+cb_boolean handleWlanTargetCopyFromDataFrame(uint8_t* buffer, cbWLANTARGET_dataFrame* frame, uint32_t size, uint32_t offsetInFrame);
+cb_boolean handleWlanTargetCopyToDataFrame(cbWLANTARGET_dataFrame* frame, uint8_t* buffer, uint32_t size, uint32_t offsetInFrame);
+cbWLANTARGET_dataFrame* handleWlanTargetAllocDataFrame(uint32_t size);
+void handleWlanTargetFreeDataFrame(cbWLANTARGET_dataFrame* frame);
+cb_uint32 handleWlanTargetGetDataFrameSize(cbWLANTARGET_dataFrame* frame);
+cb_uint8 handleWlanTargetGetDataFrameTID(cbWLANTARGET_dataFrame* frame);
+void handleWlanStatusIndication(void *dummy, cbWLAN_StatusIndicationInfo status, void *data);
+void handleWlanPacketIndication(void *dummy, cbWLAN_PacketIndicationInfo *packetInfo);
+void send_wlan_packet(void *buf);
+
+static const cbWLANTARGET_Callback _wlanTargetCallback =
+{
+    handleWlanTargetCopyFromDataFrame,
+    handleWlanTargetCopyToDataFrame,
+    handleWlanTargetAllocDataFrame,
+    handleWlanTargetFreeDataFrame,
+    handleWlanTargetGetDataFrameSize,
+    handleWlanTargetGetDataFrameTID
+};
+
+void handleWlanStatusIndication(void *dummy, cbWLAN_StatusIndicationInfo status, void *data)
+{
+    WIFI_EMAC &instance = WIFI_EMAC::get_instance();
+    bool linkUp = false;
+    bool sendCb = true;
+    (void)dummy;
+    (void)data;
+
+    switch (status) {
+        case cbWLAN_STATUS_CONNECTED:
+        case cbWLAN_STATUS_AP_STA_ADDED:
+            linkUp = true;
+            break;
+        case cbWLAN_STATUS_STOPPED:
+        case cbWLAN_STATUS_ERROR:
+        case cbWLAN_STATUS_DISCONNECTED:
+        case cbWLAN_STATUS_CONNECTION_FAILURE:
+            break;
+        case cbWLAN_STATUS_CONNECTING:
+        default:
+            sendCb = false;
+            break;
+    }
+    if (sendCb && instance.emac_link_state_cb) {
+        instance.emac_link_state_cb(linkUp);
+    }
+}
+
+void handleWlanPacketIndication(void *dummy, cbWLAN_PacketIndicationInfo *packetInfo)
+{
+    WIFI_EMAC &instance = WIFI_EMAC::get_instance();
+    (void)dummy;
+
+    if (instance.emac_link_input_cb) {
+        instance.emac_link_input_cb((void*)packetInfo->rxData);
+    }
+}
+
+cb_boolean handleWlanTargetCopyFromDataFrame(uint8_t* buffer, cbWLANTARGET_dataFrame* frame, uint32_t size, uint32_t offsetInFrame)
+{
+    EMACMemoryManager *mem = WIFI_EMAC::get_instance().memory_manager;
+    MBED_ASSERT(mem != NULL);
+
+    //emac_mem_buf_t* phead = (emac_mem_buf_t *)frame;
+    emac_mem_buf_t* pbuf = (emac_mem_buf_t *)frame;
+    uint32_t copySize, bytesCopied = 0, pbufOffset = 0;
+
+    MBED_ASSERT(frame != NULL);
+    MBED_ASSERT(buffer != NULL);
+
+    //pbuf = mem->get_next(phead);
+    while (pbuf != NULL) {
+        if ((pbufOffset + mem->get_len(pbuf)) >= offsetInFrame) {
+            copySize = cb_MIN(size, mem->get_len(pbuf) - (offsetInFrame - pbufOffset));
+            memcpy(buffer, (int8_t *)mem->get_ptr(pbuf) + (offsetInFrame - pbufOffset), copySize);
+            buffer += copySize;
+            bytesCopied += copySize;
+            pbuf = mem->get_next(pbuf);
+            break;
+        }
+        pbufOffset += mem->get_len(pbuf);
+        pbuf = mem->get_next(pbuf);
+    }
+
+    while (pbuf != NULL && bytesCopied < size) {
+        copySize = cb_MIN(mem->get_len(pbuf), size - bytesCopied);
+        memcpy(buffer, mem->get_ptr(pbuf), copySize);
+        buffer += copySize;
+        bytesCopied += copySize;
+        pbuf = mem->get_next(pbuf);
+    }
+
+    MBED_ASSERT(bytesCopied <= size);
+
+    return (bytesCopied == size);
+}
+
+cb_boolean handleWlanTargetCopyToDataFrame(cbWLANTARGET_dataFrame* frame, uint8_t* buffer, uint32_t size, uint32_t offsetInFrame)
+{
+    EMACMemoryManager *mem = WIFI_EMAC::get_instance().memory_manager;
+    MBED_ASSERT(mem != NULL);
+
+    //emac_mem_buf_t* phead = (emac_mem_buf_t *)frame;
+    emac_mem_buf_t* pbuf = (emac_mem_buf_t *)frame;
+    uint32_t copySize, bytesCopied = 0, pbufOffset = 0;
+
+    MBED_ASSERT(frame != NULL);
+    MBED_ASSERT(buffer != NULL);
+
+    //pbuf = mem->get_next(phead);
+    while (pbuf != NULL) {
+        if ((pbufOffset + mem->get_len(pbuf)) >= offsetInFrame) {
+            copySize = cb_MIN(size, mem->get_len(pbuf) - (offsetInFrame - pbufOffset));
+            memcpy((uint8_t *)mem->get_ptr(pbuf) + (offsetInFrame - pbufOffset), buffer, copySize);
+            buffer += copySize;
+            bytesCopied += copySize;
+            pbuf = mem->get_next(pbuf);
+            break;
+        }
+        pbufOffset += mem->get_len(pbuf);
+        pbuf = mem->get_next(pbuf);
+    }
+
+    while (pbuf != NULL && bytesCopied < size) {
+        copySize = cb_MIN(mem->get_len(pbuf), size - bytesCopied);
+        memcpy(mem->get_ptr(pbuf), buffer, copySize);
+        buffer += copySize;
+        bytesCopied += copySize;
+        pbuf = mem->get_next(pbuf);
+    }
+
+    MBED_ASSERT(bytesCopied <= size);
+
+    return (bytesCopied == size);
+}
+
+cbWLANTARGET_dataFrame* handleWlanTargetAllocDataFrame(uint32_t size)
+{
+    EMACMemoryManager *mem = WIFI_EMAC::get_instance().memory_manager;
+    MBED_ASSERT(mem != NULL);
+    return (cbWLANTARGET_dataFrame*)mem->alloc_pool(size,0);
+}
+
+void handleWlanTargetFreeDataFrame(cbWLANTARGET_dataFrame* frame)
+{
+    EMACMemoryManager *mem = WIFI_EMAC::get_instance().memory_manager;
+    MBED_ASSERT(mem != NULL);
+    mem->free((emac_mem_buf_t*)frame);
+}
+
+uint32_t handleWlanTargetGetDataFrameSize(cbWLANTARGET_dataFrame* frame)
+{
+    EMACMemoryManager *mem = WIFI_EMAC::get_instance().memory_manager;
+    MBED_ASSERT(mem != NULL);
+    return mem->get_total_len((emac_mem_buf_t*)frame);
+}
+
+uint8_t handleWlanTargetGetDataFrameTID(cbWLANTARGET_dataFrame* frame)
+{
+    (void)frame;
+    return (uint8_t)cbWLAN_AC_BE;
+}
+
+WIFI_EMAC::WIFI_EMAC()
+{
+    emac_link_input_cb = NULL;
+    emac_link_state_cb = NULL;
+    cbWLANTARGET_registerCallbacks((cbWLANTARGET_Callback*)&_wlanTargetCallback);
+}
+
+void send_wlan_packet(void *buf)
+{
+    cbWLAN_sendPacket(buf);
+}
+
+bool WIFI_EMAC::link_out(emac_mem_buf_t *buf)
+{
+    EMACMemoryManager *mem = WIFI_EMAC::get_instance().memory_manager;
+
+    // Break call chain to avoid the driver affecting stack usage for the IP stack thread too much
+    emac_mem_buf_t *new_buf = mem->alloc_pool(mem->get_total_len(buf), 0);
+    if (new_buf != NULL) {
+        mem->copy(new_buf, buf);
+        int id = cbMAIN_getEventQueue()->call(send_wlan_packet, new_buf);
+        if (id != 0) {
+            cbMAIN_dispatchEventQueue();
+        } else {
+            mem->free(new_buf);
+        }
+    }
+    mem->free(buf);
+    return true;
+}
+
+bool WIFI_EMAC::power_up()
+{
+    /* Initialize the hardware */
+    /* No-op at this stage */
+    return true;
+}
+
+uint32_t WIFI_EMAC::get_mtu_size() const
+{
+    return WIFI_EMAC_MTU_SIZE;
+}
+
+void WIFI_EMAC::get_ifname(char *name, uint8_t size) const
+{
+    memcpy(name, _ifname, (size < sizeof(_ifname)) ? size : sizeof(_ifname));
+}
+
+uint8_t WIFI_EMAC::get_hwaddr_size() const
+{
+    return sizeof(cbWLAN_MACAddress);
+}
+
+bool WIFI_EMAC::get_hwaddr(uint8_t *addr) const
+{
+    cbOTP_read(cbOTP_MAC_WLAN, sizeof(cbWLAN_MACAddress), addr);
+    return true;
+}
+
+void WIFI_EMAC::set_hwaddr(const uint8_t *addr)
+{
+  /* No-op at this stage */
+}
+
+void WIFI_EMAC::set_link_input_cb(emac_link_input_cb_t input_cb)
+{
+    emac_link_input_cb = input_cb;
+
+    cbMAIN_driverLock();
+    cbWLAN_registerPacketIndicationCallback(handleWlanPacketIndication, NULL);
+    cbMAIN_driverUnlock();
+}
+
+void WIFI_EMAC::set_link_state_cb(emac_link_state_change_cb_t state_cb)
+{
+    emac_link_state_cb = state_cb;
+
+    cbMAIN_driverLock();
+    cbWLAN_registerStatusCallback(handleWlanStatusIndication, NULL);
+    cbMAIN_driverUnlock();
+}
+
+void WIFI_EMAC::power_down()
+{
+  /* No-op at this stage */
+}
+
+void WIFI_EMAC::set_memory_manager(EMACMemoryManager &mem_mngr)
+{
+    memory_manager = &mem_mngr;
+}
+
+uint32_t WIFI_EMAC::get_align_preference() const
+{
+    return 1; // TODO not sure if there is a requirement but don't think so
+}
+
+void WIFI_EMAC::add_multicast_group(const uint8_t *address)
+{
+    // TODO anything to do here for WiFi?
+}
+
+void WIFI_EMAC::remove_multicast_group(const uint8_t *address)
+{
+    // TODO anything to do here for WiFi?
+}
+
+void WIFI_EMAC::set_all_multicast(bool all)
+{
+    // TODO anything to do here for WiFi?
+}
+
+WIFI_EMAC &WIFI_EMAC::get_instance() {
+    static WIFI_EMAC emac;
+    return emac;
+}
+
+// Weak so a module can override
+MBED_WEAK EMAC &EMAC::get_default_instance()
+{
+    return WIFI_EMAC::get_instance();
+}
+
+#endif // DEVICE_WIFI