master/ethernet.h
changeset 214 8beb86af5ed0
parent 212 82980deb8b00
child 217 dcfd406e7786
--- a/master/ethernet.h	Wed May 03 08:01:20 2006 +0000
+++ b/master/ethernet.h	Fri May 05 07:20:10 2006 +0000
@@ -44,9 +44,13 @@
 
 typedef enum
 {
-    EC_EOE_IDLE,     /**< Idle. The next step ist to check for data. */
-    EC_EOE_CHECKING, /**< Checking frame was sent. */
-    EC_EOE_FETCHING  /**< There is new data. Fetching frame was sent. */
+    EC_EOE_RX_START, /**< start receiving and check for data. */
+    EC_EOE_RX_CHECK, /**< checking frame was sent. */
+    EC_EOE_RX_FETCH, /**< there is new data; fetching frame was sent. */
+    EC_EOE_TX_START, /**< start sending a queued frame. */
+    EC_EOE_TX_SENT,  /**< queued frame was sent; start checking. */
+    EC_EOE_TX_CHECK, /**< check mailbox for acknowledgement. */
+    EC_EOE_TX_FETCH, /**< receive mailbox response */
 }
 ec_eoe_state_t;
 
@@ -62,14 +66,20 @@
 {
     struct list_head list; /**< list item */
     ec_slave_t *slave; /**< pointer to the corresponding slave */
-    ec_eoe_state_t rx_state; /**< state of the state machine */
+    ec_eoe_state_t state; /**< state of the state machine */
     struct net_device *dev; /**< net_device for virtual ethernet device */
     uint8_t opened; /**< net_device is opened */
     struct sk_buff *skb; /**< current rx socket buffer */
+    off_t skb_offset; /**< current write pointer in the socket buffer */
+    size_t skb_size; /**< size of the allocated socket buffer memory */
+    uint8_t expected_fragment; /**< expected fragment */
     struct net_device_stats stats; /**< device statistics */
     struct list_head tx_queue; /**< queue for frames to send */
+    unsigned int tx_queue_active; /**< kernel netif queue started */
     unsigned int queued_frames; /**< number of frames in the queue */
     spinlock_t tx_queue_lock; /**< spinlock for the send queue */
+    uint8_t tx_frame_number; /**< Number of the transmitted frame */
+    size_t last_tx_bytes; /**< number of bytes currently transmitted */
 }
 ec_eoe_t;