1 /********************************************************************** 2 * Author: Cavium Networks 3 * 4 * Contact: support@caviumnetworks.com 5 * This file is part of the OCTEON SDK 6 * 7 * Copyright (c) 2003-2010 Cavium Networks 8 * 9 * This file is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License, Version 2, as 11 * published by the Free Software Foundation. 12 * 13 * This file is distributed in the hope that it will be useful, but 14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty 15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or 16 * NONINFRINGEMENT. See the GNU General Public License for more 17 * details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this file; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 22 * or visit http://www.gnu.org/licenses/. 23 * 24 * This file may also be available under a different license from Cavium. 25 * Contact Cavium Networks for more information 26 **********************************************************************/ 27 28 /* 29 * External interface for the Cavium Octeon ethernet driver. 30 */ 31 #ifndef OCTEON_ETHERNET_H 32 #define OCTEON_ETHERNET_H 33 34 #include <linux/of.h> 35 36 /** 37 * This is the definition of the Ethernet driver's private 38 * driver state stored in netdev_priv(dev). 39 */ 40 struct octeon_ethernet { 41 /* PKO hardware output port */ 42 int port; 43 /* PKO hardware queue for the port */ 44 int queue; 45 /* Hardware fetch and add to count outstanding tx buffers */ 46 int fau; 47 /* 48 * Type of port. This is one of the enums in 49 * cvmx_helper_interface_mode_t 50 */ 51 int imode; 52 /* List of outstanding tx buffers per queue */ 53 struct sk_buff_head tx_free_list[16]; 54 /* Device statistics */ 55 struct net_device_stats stats; 56 struct phy_device *phydev; 57 unsigned int last_link; 58 /* Last negotiated link state */ 59 uint64_t link_info; 60 /* Called periodically to check link status */ 61 void (*poll) (struct net_device *dev); 62 struct delayed_work port_periodic_work; 63 struct work_struct port_work; /* may be unused. */ 64 struct device_node *of_node; 65 }; 66 67 int cvm_oct_free_work(void *work_queue_entry); 68 69 extern int cvm_oct_rgmii_init(struct net_device *dev); 70 extern void cvm_oct_rgmii_uninit(struct net_device *dev); 71 extern int cvm_oct_rgmii_open(struct net_device *dev); 72 extern int cvm_oct_rgmii_stop(struct net_device *dev); 73 74 extern int cvm_oct_sgmii_init(struct net_device *dev); 75 extern void cvm_oct_sgmii_uninit(struct net_device *dev); 76 extern int cvm_oct_sgmii_open(struct net_device *dev); 77 extern int cvm_oct_sgmii_stop(struct net_device *dev); 78 79 extern int cvm_oct_spi_init(struct net_device *dev); 80 extern void cvm_oct_spi_uninit(struct net_device *dev); 81 extern int cvm_oct_xaui_init(struct net_device *dev); 82 extern void cvm_oct_xaui_uninit(struct net_device *dev); 83 extern int cvm_oct_xaui_open(struct net_device *dev); 84 extern int cvm_oct_xaui_stop(struct net_device *dev); 85 86 extern int cvm_oct_common_init(struct net_device *dev); 87 extern void cvm_oct_common_uninit(struct net_device *dev); 88 89 extern int always_use_pow; 90 extern int pow_send_group; 91 extern int pow_receive_group; 92 extern char pow_send_list[]; 93 extern struct net_device *cvm_oct_device[]; 94 extern struct workqueue_struct *cvm_oct_poll_queue; 95 extern atomic_t cvm_oct_poll_queue_stopping; 96 extern u64 cvm_oct_tx_poll_interval; 97 98 extern int max_rx_cpus; 99 extern int rx_napi_weight; 100 101 #endif 102