1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * This file is based on code from OCTEON SDK by Cavium Networks. 4 * 5 * Copyright (c) 2003-2010 Cavium Networks 6 */ 7 8 /* 9 * External interface for the Cavium Octeon ethernet driver. 10 */ 11 #ifndef OCTEON_ETHERNET_H 12 #define OCTEON_ETHERNET_H 13 14 #include <linux/of.h> 15 #include <linux/phy.h> 16 17 #ifdef CONFIG_CAVIUM_OCTEON_SOC 18 19 #include <asm/octeon/octeon.h> 20 21 #include <asm/octeon/cvmx-asxx-defs.h> 22 #include <asm/octeon/cvmx-config.h> 23 #include <asm/octeon/cvmx-fau.h> 24 #include <asm/octeon/cvmx-gmxx-defs.h> 25 #include <asm/octeon/cvmx-helper.h> 26 #include <asm/octeon/cvmx-helper-util.h> 27 #include <asm/octeon/cvmx-ipd.h> 28 #include <asm/octeon/cvmx-ipd-defs.h> 29 #include <asm/octeon/cvmx-npi-defs.h> 30 #include <asm/octeon/cvmx-pip.h> 31 #include <asm/octeon/cvmx-pko.h> 32 #include <asm/octeon/cvmx-pow.h> 33 #include <asm/octeon/cvmx-scratch.h> 34 #include <asm/octeon/cvmx-spi.h> 35 #include <asm/octeon/cvmx-spxx-defs.h> 36 #include <asm/octeon/cvmx-stxx-defs.h> 37 #include <asm/octeon/cvmx-wqe.h> 38 39 #else 40 41 #include "octeon-stubs.h" 42 43 #endif 44 45 /** 46 * This is the definition of the Ethernet driver's private 47 * driver state stored in netdev_priv(dev). 48 */ 49 struct octeon_ethernet { 50 /* PKO hardware output port */ 51 int port; 52 /* PKO hardware queue for the port */ 53 int queue; 54 /* Hardware fetch and add to count outstanding tx buffers */ 55 int fau; 56 /* My netdev. */ 57 struct net_device *netdev; 58 /* 59 * Type of port. This is one of the enums in 60 * cvmx_helper_interface_mode_t 61 */ 62 int imode; 63 /* PHY mode */ 64 phy_interface_t phy_mode; 65 /* List of outstanding tx buffers per queue */ 66 struct sk_buff_head tx_free_list[16]; 67 unsigned int last_speed; 68 unsigned int last_link; 69 /* Last negotiated link state */ 70 u64 link_info; 71 /* Called periodically to check link status */ 72 void (*poll)(struct net_device *dev); 73 struct delayed_work port_periodic_work; 74 struct device_node *of_node; 75 }; 76 77 int cvm_oct_free_work(void *work_queue_entry); 78 79 int cvm_oct_rgmii_open(struct net_device *dev); 80 81 int cvm_oct_sgmii_init(struct net_device *dev); 82 int cvm_oct_sgmii_open(struct net_device *dev); 83 84 int cvm_oct_spi_init(struct net_device *dev); 85 void cvm_oct_spi_uninit(struct net_device *dev); 86 87 int cvm_oct_common_init(struct net_device *dev); 88 void cvm_oct_common_uninit(struct net_device *dev); 89 void cvm_oct_adjust_link(struct net_device *dev); 90 int cvm_oct_common_stop(struct net_device *dev); 91 int cvm_oct_common_open(struct net_device *dev, 92 void (*link_poll)(struct net_device *)); 93 void cvm_oct_note_carrier(struct octeon_ethernet *priv, 94 union cvmx_helper_link_info li); 95 void cvm_oct_link_poll(struct net_device *dev); 96 97 extern int always_use_pow; 98 extern int pow_send_group; 99 extern int pow_receive_groups; 100 extern char pow_send_list[]; 101 extern struct net_device *cvm_oct_device[]; 102 extern atomic_t cvm_oct_poll_queue_stopping; 103 extern u64 cvm_oct_tx_poll_interval; 104 105 extern int rx_napi_weight; 106 107 #endif 108