patch-2.4.22 linux-2.4.22/drivers/net/ibm_emac/ibm_ocp_enet.h

• Lines: 161
• Date: 2003-08-25 04:44:42.000000000 -0700
• Orig file: linux-2.4.21/drivers/net/ibm_emac/ibm_ocp_enet.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/drivers/net/ibm_emac/ibm_ocp_enet.h linux-2.4.22/drivers/net/ibm_emac/ibm_ocp_enet.h
@@ -0,0 +1,160 @@
+/*
+ * ibm_ocp_enet.h
+ *
+ * Ethernet driver for the built in ethernet on the IBM 405 PowerPC
+ * processor.
+ *
+ *      Armin Kuster akuster@mvista.com
+ *      Sept, 2001
+ *
+ *      Orignial driver
+ *         Johnnie Peters
+ *         jpeters@mvista.com
+ *
+ * Copyright 2000 MontaVista Softare Inc.
+ *
+ * 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.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR   IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT,  INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Version: 1.0: Name change - armin
+ *  Version: 1.0: Added extern prototypes for new mal func. - David M.
+ *  		: removed #ifdef for irqs.i - Armin
+ *  		: added irq_resourse to private data struct. 
+ *
+ *  Version: 1.1: Added new min/max value for phy & removed unused phy_id_done - *			- andrew May
+ *  Version: 1.2: added all emac extern protos here - Armin
+ *
+ *  Version: 1.3: Using CONFIG_IBM_OCP_ZMII instead of ZMII_NUMS > 0
+ *
+ *  Version: 1.3: Name change *_driver to *_dev
+ *  Version: 1.4: removed irq_resource & BL_* defines
+ *
+ */
+
+#ifndef _IBM_OCP_ENET_H_
+#define _IBM_OCP_ENET_H_
+
+#include <linux/netdevice.h>
+#include <asm/ocp.h>
+#include <asm/mmu.h>		/* For phys_addr_t */
+
+#include "ibm_emac.h"
+#include "ibm_ocp_phy.h"
+#include "ibm_ocp_zmii.h"
+#include "ibm_ocp_mal.h"
+
+#ifndef CONFIG_IBM_OCP_ENET_TX_BUFF
+#define NUM_TX_BUFF		64
+#define NUM_RX_BUFF		64
+#else
+#define NUM_TX_BUFF		CONFIG_IBM_OCP_ENET_TX_BUFF
+#define NUM_RX_BUFF		CONFIG_IBM_OCP_ENET_RX_BUFF
+#endif
+
+/* This does 16 byte alignment, exactly what we need.
+ * The packet length includes FCS, but we don't want to
+ * include that when passing upstream as it messes up
+ * bridging applications.
+ */
+#ifndef CONFIG_IBM_OCP_ENET_SKB_RES
+#define SKB_RES 2
+#else
+#define SKB_RES CONFIG_IBM_OCP_ENET_SKB_RES
+#endif
+
+/* Note about alignement. alloc_skb() returns a cache line
+ * aligned buffer. However, dev_alloc_skb() will add 16 more
+ * bytes and "reserve" them, so our buffer will actually end
+ * on a half cache line. What we do is to use directly
+ * alloc_skb, allocate 16 more bytes to match the total amount
+ * allocated by dev_alloc_skb(), but we don't reserve.
+ */
+#define MAX_NUM_BUF_DESC	255
+#define DESC_RX_BUF_SIZE	1536
+#define DESC_BUF_SIZE_REG	(DESC_RX_BUF_SIZE / 16)
+
+/* Transmitter timeout. */
+#define TX_TIMEOUT		(2*HZ)
+#define OCP_RESET_DELAY		50
+#define MDIO_DELAY		2
+
+/* Power managment shift registers */
+#define IBM_CPM_EMMII	0	/* Shift value for MII */
+#define IBM_CPM_EMRX	1	/* Shift value for recv */
+#define IBM_CPM_EMTX	2	/* Shift value for MAC */
+#define IBM_CPM_EMAC(x)	(((x)>>IBM_CPM_EMMII) | ((x)>>IBM_CPM_EMRX) | ((x)>>IBM_CPM_EMTX))
+
+#ifdef CONFIG_IBM_OCP_ENET_ERROR_MSG
+void emac_serr_dump_0(struct net_device *dev);
+void emac_serr_dump_1(struct net_device *dev);
+void emac_err_dump(struct net_device *dev, int em0isr);
+void emac_phy_dump(struct net_device *);
+void emac_desc_dump(struct net_device *);
+void emac_mac_dump(struct net_device *);
+void emac_mal_dump(struct net_device *);
+#else
+#define emac_serr_dump_0(dev) do { } while (0)
+#define emac_serr_dump_1(dev) do { } while (0)
+#define emac_err_dump(dev,x) do { } while (0)
+#define emac_phy_dump(dev) do { } while (0)
+#define emac_desc_dump(dev) do { } while (0)
+#define emac_mac_dump(dev) do { } while (0)
+#define emac_mal_dump(dev) do { } while (0)
+#endif
+
+
+struct ocp_enet_private {
+	struct sk_buff *tx_skb[NUM_TX_BUFF];
+	struct sk_buff *rx_skb[NUM_RX_BUFF];
+	struct mal_descriptor *tx_desc;
+	struct mal_descriptor *rx_desc;
+	struct mal_descriptor *rx_dirty;
+	struct net_device_stats stats;
+	int tx_cnt;
+	int rx_slot;
+	int dirty_rx;
+	int tx_slot;
+	int ack_slot;
+
+	struct mii_phy phy_mii;
+        int mii_phy_addr;
+        int want_autoneg;
+        int timer_ticks;
+	struct timer_list link_timer;
+	struct net_device *mdio_dev;
+
+	struct ocp_device *zmii_dev;
+	int zmii_input;
+
+	struct ibm_ocp_mal *mal;
+	int mal_tx_chan, mal_rx_chan;
+	struct mal_commac commac;
+
+        int opened;
+        int going_away;
+        int wol_irq;
+	volatile emac_t *emacp;
+	struct ocp_device *ocpdev;
+        struct net_device *ndev;
+        spinlock_t lock;
+};
+
+
+#endif				/* _IBM_OCP_ENET_H_ */