1 /* 2 * This file is based on code from OCTEON SDK by Cavium Networks. 3 * 4 * Copyright (c) 2003-2010 Cavium Networks 5 * 6 * This file is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License, Version 2, as 8 * published by the Free Software Foundation. 9 */ 10 11 /* 12 * External interface for the Cavium Octeon ethernet driver. 13 */ 14 #ifndef OCTEON_ETHERNET_H 15 #define OCTEON_ETHERNET_H 16 17 #include <linux/of.h> 18 19 #include <asm/octeon/cvmx-helper-board.h> 20 21 /** 22 * This is the definition of the Ethernet driver's private 23 * driver state stored in netdev_priv(dev). 24 */ 25 struct octeon_ethernet { 26 /* PKO hardware output port */ 27 int port; 28 /* PKO hardware queue for the port */ 29 int queue; 30 /* Hardware fetch and add to count outstanding tx buffers */ 31 int fau; 32 /* My netdev. */ 33 struct net_device *netdev; 34 /* 35 * Type of port. This is one of the enums in 36 * cvmx_helper_interface_mode_t 37 */ 38 int imode; 39 /* List of outstanding tx buffers per queue */ 40 struct sk_buff_head tx_free_list[16]; 41 /* Device statistics */ 42 struct net_device_stats stats; 43 struct phy_device *phydev; 44 unsigned int last_link; 45 /* Last negotiated link state */ 46 u64 link_info; 47 /* Called periodically to check link status */ 48 void (*poll)(struct net_device *dev); 49 struct delayed_work port_periodic_work; 50 struct work_struct port_work; /* may be unused. */ 51 struct device_node *of_node; 52 }; 53 54 int cvm_oct_free_work(void *work_queue_entry); 55 56 int cvm_oct_rgmii_init(struct net_device *dev); 57 void cvm_oct_rgmii_uninit(struct net_device *dev); 58 int cvm_oct_rgmii_open(struct net_device *dev); 59 60 int cvm_oct_sgmii_init(struct net_device *dev); 61 int cvm_oct_sgmii_open(struct net_device *dev); 62 63 int cvm_oct_spi_init(struct net_device *dev); 64 void cvm_oct_spi_uninit(struct net_device *dev); 65 66 int cvm_oct_common_init(struct net_device *dev); 67 void cvm_oct_common_uninit(struct net_device *dev); 68 void cvm_oct_adjust_link(struct net_device *dev); 69 int cvm_oct_common_stop(struct net_device *dev); 70 int cvm_oct_common_open(struct net_device *dev, 71 void (*link_poll)(struct net_device *)); 72 void cvm_oct_note_carrier(struct octeon_ethernet *priv, 73 cvmx_helper_link_info_t li); 74 void cvm_oct_link_poll(struct net_device *dev); 75 76 extern int always_use_pow; 77 extern int pow_send_group; 78 extern int pow_receive_group; 79 extern char pow_send_list[]; 80 extern struct net_device *cvm_oct_device[]; 81 extern struct workqueue_struct *cvm_oct_poll_queue; 82 extern atomic_t cvm_oct_poll_queue_stopping; 83 extern u64 cvm_oct_tx_poll_interval; 84 85 extern int rx_napi_weight; 86 87 #endif 88