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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [net/] [ibm_emac/] [ibm_ocp_enet.h] - Rev 1765
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/* * 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_ */