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 unsigned int last_speed; 42 unsigned int last_link; 43 /* Last negotiated link state */ 44 u64 link_info; 45 /* Called periodically to check link status */ 46 void (*poll)(struct net_device *dev); 47 struct delayed_work port_periodic_work; 48 struct device_node *of_node; 49 }; 50 51 int cvm_oct_free_work(void *work_queue_entry); 52 53 int cvm_oct_rgmii_open(struct net_device *dev); 54 55 int cvm_oct_sgmii_init(struct net_device *dev); 56 int cvm_oct_sgmii_open(struct net_device *dev); 57 58 int cvm_oct_spi_init(struct net_device *dev); 59 void cvm_oct_spi_uninit(struct net_device *dev); 60 61 int cvm_oct_common_init(struct net_device *dev); 62 void cvm_oct_common_uninit(struct net_device *dev); 63 void cvm_oct_adjust_link(struct net_device *dev); 64 int cvm_oct_common_stop(struct net_device *dev); 65 int cvm_oct_common_open(struct net_device *dev, 66 void (*link_poll)(struct net_device *)); 67 void cvm_oct_note_carrier(struct octeon_ethernet *priv, 68 cvmx_helper_link_info_t li); 69 void cvm_oct_link_poll(struct net_device *dev); 70 71 extern int always_use_pow; 72 extern int pow_send_group; 73 extern int pow_receive_groups; 74 extern char pow_send_list[]; 75 extern struct net_device *cvm_oct_device[]; 76 extern atomic_t cvm_oct_poll_queue_stopping; 77 extern u64 cvm_oct_tx_poll_interval; 78 79 extern int rx_napi_weight; 80 81 #endif 82