Changeset 90782c36 in mainline for uspace/drv/nic/rtl8169/driver.h

Timestamp:

2014-05-21T19:36:59Z (11 years ago)

Author:

Agnieszka Tabaka <nufcia@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f1ac202

Parents:

fef725d

Message:

Work-in-progress driver skeleton, able to read MAC address from the card.

File:

• uspace/drv/nic/rtl8169/driver.h (modified) (1 diff)

uspace/drv/nic/rtl8169/driver.h

@@ -38 +38 @@
 #define NAME  "rtl8169"
 
+#define TX_BUFF_COUNT   16
+
+/** RTL8139 device data */
+typedef struct rtl8169_data {
+        /** I/O address of the device */
+        void *regs_phys;
+        /** Mapped I/O port */
+        void *regs;
+        /** The irq assigned */
+        int irq;
+
+        /** Mask of the turned interupts (IMR value) */
+        uint16_t int_mask;
+
+        /** The memory allocated for the transmittion buffers
+         *  Each buffer takes 2kB
+         */
+        uintptr_t tx_buff_phys;
+        void *tx_buff_virt;
+
+        /** Virtual adresses of the Tx buffers */
+        void *tx_buff[TX_BUFF_COUNT];
+
+        /** The nubmer of the next buffer to use, index = tx_next % TX_BUFF_COUNT */
+        size_t tx_next;
+        /** The number of the first used buffer in the row
+         *
+         *  tx_used is in the interval tx_next - TX_BUFF_COUNT and tx_next:
+         *      tx_next - TX_BUFF_COUNT: there is no useable Tx descriptor
+         *      tx_next: all Tx descriptors are can be used
+         */
+        size_t tx_used;
+
+        /** Buffer for receiving frames */
+        uintptr_t rx_buff_phys;
+        void *rx_buff_virt;
+
+        /** Lock for receiver */
+        fibril_mutex_t rx_lock;
+        /** Lock for transmitter */
+        fibril_mutex_t tx_lock;
+
+        /** Backward pointer to nic_data */
+        nic_t *nic_data;
+
+} rtl8169_t;
+
 #endif