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Diffstat (limited to 'os/hal/templates/hal_mac_lld.h')
| -rw-r--r-- | os/hal/templates/hal_mac_lld.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/os/hal/templates/hal_mac_lld.h b/os/hal/templates/hal_mac_lld.h new file mode 100644 index 000000000..8e438eccb --- /dev/null +++ b/os/hal/templates/hal_mac_lld.h @@ -0,0 +1,181 @@ +/*
+ ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file mac_lld.h
+ * @brief PLATFORM MAC subsystem low level driver header.
+ *
+ * @addtogroup MAC
+ * @{
+ */
+
+#ifndef _MAC_LLD_H_
+#define _MAC_LLD_H_
+
+#if (HAL_USE_MAC == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief This implementation supports the zero-copy mode API.
+ */
+#define MAC_SUPPORTS_ZERO_COPY TRUE
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name PLATFORM configuration options
+ * @{
+ */
+/**
+ * @brief MAC driver enable switch.
+ * @details If set to @p TRUE the support for MAC1 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(PLATFORM_MAC_USE_MAC1) || defined(__DOXYGEN__)
+#define PLATFORM_MAC_USE_MAC1 FALSE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Driver configuration structure.
+ */
+typedef struct {
+ /**
+ * @brief MAC address.
+ */
+ uint8_t *mac_address;
+ /* End of the mandatory fields.*/
+} MACConfig;
+
+/**
+ * @brief Structure representing a MAC driver.
+ */
+struct MACDriver {
+ /**
+ * @brief Driver state.
+ */
+ macstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const MACConfig *config;
+ /**
+ * @brief Transmit semaphore.
+ */
+ threads_queue_t tdqueue;
+ /**
+ * @brief Receive semaphore.
+ */
+ threads_queue_t rdqueue;
+#if (MAC_USE_EVENTS == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Receive event.
+ */
+ event_source_t rdevent;
+#endif
+ /* End of the mandatory fields.*/
+};
+
+/**
+ * @brief Structure representing a transmit descriptor.
+ */
+typedef struct {
+ /**
+ * @brief Current write offset.
+ */
+ size_t offset;
+ /**
+ * @brief Available space size.
+ */
+ size_t size;
+ /* End of the mandatory fields.*/
+} MACTransmitDescriptor;
+
+/**
+ * @brief Structure representing a receive descriptor.
+ */
+typedef struct {
+ /**
+ * @brief Current read offset.
+ */
+ size_t offset;
+ /**
+ * @brief Available data size.
+ */
+ size_t size;
+ /* End of the mandatory fields.*/
+} MACReceiveDescriptor;
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if (PLATFORM_MAC_USE_MAC1 == TRUE) && !defined(__DOXYGEN__)
+extern MACDriver ETHD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void mac_lld_init(void);
+ void mac_lld_start(MACDriver *macp);
+ void mac_lld_stop(MACDriver *macp);
+ msg_t mac_lld_get_transmit_descriptor(MACDriver *macp,
+ MACTransmitDescriptor *tdp);
+ void mac_lld_release_transmit_descriptor(MACTransmitDescriptor *tdp);
+ msg_t mac_lld_get_receive_descriptor(MACDriver *macp,
+ MACReceiveDescriptor *rdp);
+ void mac_lld_release_receive_descriptor(MACReceiveDescriptor *rdp);
+ bool mac_lld_poll_link_status(MACDriver *macp);
+ size_t mac_lld_write_transmit_descriptor(MACTransmitDescriptor *tdp,
+ uint8_t *buf,
+ size_t size);
+ size_t mac_lld_read_receive_descriptor(MACReceiveDescriptor *rdp,
+ uint8_t *buf,
+ size_t size);
+#if MAC_USE_ZERO_COPY == TRUE
+ uint8_t *mac_lld_get_next_transmit_buffer(MACTransmitDescriptor *tdp,
+ size_t size,
+ size_t *sizep);
+ const uint8_t *mac_lld_get_next_receive_buffer(MACReceiveDescriptor *rdp,
+ size_t *sizep);
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_MAC == TRUE */
+
+#endif /* _MAC_LLD_H_ */
+
+/** @} */
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