git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5314 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 20 insertions, 8 deletions

diff --git a/os/hal/templates/mac_lld.h b/os/hal/templates/mac_lld.h
index 786cc7772..cb6a6cd8b 100644
--- a/os/hal/templates/mac_lld.h
+++ b/os/hal/templates/mac_lld.h
@@ -35,6 +35,11 @@
 /* Driver constants.                                                         */

 /*===========================================================================*/

 

+/**

+ * @brief   This implementation supports the zero-copy mode API.

+ */

+#define MAC_SUPPORTS_ZERO_COPY      TRUE

+

 /*===========================================================================*/

 /* Driver pre-compile time settings.                                         */

 /*===========================================================================*/

@@ -94,11 +99,11 @@ typedef struct {
   /**

    * @brief Current write offset.

    */

-  size_t                offset;

+  size_t                    offset;

   /**

    * @brief Available space size.

    */

-  size_t                size;

+  size_t                    size;

   /* End of the mandatory fields.*/

 } MACTransmitDescriptor;

 

@@ -126,7 +131,7 @@ typedef struct {
 /*===========================================================================*/

 

 #if !defined(__DOXYGEN__)

-extern MACDriver ETH1;

+extern MACDriver ETHD1;

 #endif

 

 #ifdef __cplusplus

@@ -137,17 +142,24 @@ extern "C" {
   void mac_lld_stop(MACDriver *macp);

   msg_t mac_lld_get_transmit_descriptor(MACDriver *macp,

                                         MACTransmitDescriptor *tdp);

-  size_t mac_lld_write_transmit_descriptor(MACTransmitDescriptor *tdp,

-                                           uint8_t *buf,

-                                           size_t size);

   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_t 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);

-  void mac_lld_release_receive_descriptor(MACReceiveDescriptor *rdp);

-  bool_t mac_lld_poll_link_status(MACDriver *macp);

+#if MAC_USE_ZERO_COPY

+  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 /* MAC_USE_ZERO_COPY */

 #ifdef __cplusplus

 }

 #endif