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path: root/drivers/net/ixp2000/ixpdev_priv.h
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Diffstat (limited to 'drivers/net/ixp2000/ixpdev_priv.h')
-rw-r--r--drivers/net/ixp2000/ixpdev_priv.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/net/ixp2000/ixpdev_priv.h b/drivers/net/ixp2000/ixpdev_priv.h
new file mode 100644
index 000000000000..86aa08ea0c33
--- /dev/null
+++ b/drivers/net/ixp2000/ixpdev_priv.h
@@ -0,0 +1,57 @@
+/*
+ * IXP2000 MSF network device driver
+ * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org>
+ * Dedicated to Marija Kulikova.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __IXPDEV_PRIV_H
+#define __IXPDEV_PRIV_H
+
+#define RX_BUF_DESC_BASE 0x00001000
+#define RX_BUF_COUNT ((3 * PAGE_SIZE) / (4 * sizeof(struct ixpdev_rx_desc)))
+#define TX_BUF_DESC_BASE 0x00002000
+#define TX_BUF_COUNT ((3 * PAGE_SIZE) / (4 * sizeof(struct ixpdev_tx_desc)))
+#define TX_BUF_COUNT_PER_CHAN (TX_BUF_COUNT / 4)
+
+#define RING_RX_PENDING ((u32 *)IXP2000_SCRATCH_RING_VIRT_BASE)
+#define RING_RX_DONE ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 4))
+#define RING_TX_PENDING ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 8))
+#define RING_TX_DONE ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 12))
+
+#define SCRATCH_REG(x) ((u32 *)(IXP2000_GLOBAL_REG_VIRT_BASE | 0x0800 | (x)))
+#define RING_RX_PENDING_BASE SCRATCH_REG(0x00)
+#define RING_RX_PENDING_HEAD SCRATCH_REG(0x04)
+#define RING_RX_PENDING_TAIL SCRATCH_REG(0x08)
+#define RING_RX_DONE_BASE SCRATCH_REG(0x10)
+#define RING_RX_DONE_HEAD SCRATCH_REG(0x14)
+#define RING_RX_DONE_TAIL SCRATCH_REG(0x18)
+#define RING_TX_PENDING_BASE SCRATCH_REG(0x20)
+#define RING_TX_PENDING_HEAD SCRATCH_REG(0x24)
+#define RING_TX_PENDING_TAIL SCRATCH_REG(0x28)
+#define RING_TX_DONE_BASE SCRATCH_REG(0x30)
+#define RING_TX_DONE_HEAD SCRATCH_REG(0x34)
+#define RING_TX_DONE_TAIL SCRATCH_REG(0x38)
+
+struct ixpdev_rx_desc
+{
+ u32 buf_addr;
+ u32 buf_length;
+ u32 channel;
+ u32 pkt_length;
+};
+
+struct ixpdev_tx_desc
+{
+ u32 buf_addr;
+ u32 pkt_length;
+ u32 channel;
+ u32 unused;
+};
+
+
+#endif
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