1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * drivers/net/ethernet/rocker/rocker.h - Rocker switch device driver 4 * Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com> 5 * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com> 6 */ 7 8 #ifndef _ROCKER_H 9 #define _ROCKER_H 10 11 #include <linux/kernel.h> 12 #include <linux/types.h> 13 #include <linux/netdevice.h> 14 #include <linux/notifier.h> 15 #include <net/neighbour.h> 16 #include <net/switchdev.h> 17 18 #include "rocker_hw.h" 19 20 struct rocker_desc_info { 21 char *data; /* mapped */ 22 size_t data_size; 23 size_t tlv_size; 24 struct rocker_desc *desc; 25 dma_addr_t mapaddr; 26 }; 27 28 struct rocker_dma_ring_info { 29 size_t size; 30 u32 head; 31 u32 tail; 32 struct rocker_desc *desc; /* mapped */ 33 dma_addr_t mapaddr; 34 struct rocker_desc_info *desc_info; 35 unsigned int type; 36 }; 37 38 struct rocker; 39 40 struct rocker_port { 41 struct net_device *dev; 42 struct rocker *rocker; 43 void *wpriv; 44 unsigned int port_number; 45 u32 pport; 46 struct napi_struct napi_tx; 47 struct napi_struct napi_rx; 48 struct rocker_dma_ring_info tx_ring; 49 struct rocker_dma_ring_info rx_ring; 50 }; 51 52 struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev, 53 struct rocker *rocker); 54 55 struct rocker_world_ops; 56 57 struct rocker { 58 struct pci_dev *pdev; 59 u8 __iomem *hw_addr; 60 struct msix_entry *msix_entries; 61 unsigned int port_count; 62 struct rocker_port **ports; 63 struct { 64 u64 id; 65 } hw; 66 spinlock_t cmd_ring_lock; /* for cmd ring accesses */ 67 struct rocker_dma_ring_info cmd_ring; 68 struct rocker_dma_ring_info event_ring; 69 struct notifier_block fib_nb; 70 struct rocker_world_ops *wops; 71 struct workqueue_struct *rocker_owq; 72 void *wpriv; 73 }; 74 75 typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port, 76 struct rocker_desc_info *desc_info, 77 void *priv); 78 79 typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port, 80 const struct rocker_desc_info *desc_info, 81 void *priv); 82 83 int rocker_cmd_exec(struct rocker_port *rocker_port, bool nowait, 84 rocker_cmd_prep_cb_t prepare, void *prepare_priv, 85 rocker_cmd_proc_cb_t process, void *process_priv); 86 87 int rocker_port_set_learning(struct rocker_port *rocker_port, 88 bool learning); 89 90 struct rocker_world_ops { 91 const char *kind; 92 size_t priv_size; 93 size_t port_priv_size; 94 u8 mode; 95 int (*init)(struct rocker *rocker); 96 void (*fini)(struct rocker *rocker); 97 int (*port_pre_init)(struct rocker_port *rocker_port); 98 int (*port_init)(struct rocker_port *rocker_port); 99 void (*port_fini)(struct rocker_port *rocker_port); 100 void (*port_post_fini)(struct rocker_port *rocker_port); 101 int (*port_open)(struct rocker_port *rocker_port); 102 void (*port_stop)(struct rocker_port *rocker_port); 103 int (*port_attr_stp_state_set)(struct rocker_port *rocker_port, 104 u8 state); 105 int (*port_attr_bridge_flags_set)(struct rocker_port *rocker_port, 106 unsigned long brport_flags, 107 struct switchdev_trans *trans); 108 int (*port_attr_bridge_flags_support_get)(const struct rocker_port * 109 rocker_port, 110 unsigned long * 111 p_brport_flags); 112 int (*port_attr_bridge_ageing_time_set)(struct rocker_port *rocker_port, 113 u32 ageing_time, 114 struct switchdev_trans *trans); 115 int (*port_obj_vlan_add)(struct rocker_port *rocker_port, 116 const struct switchdev_obj_port_vlan *vlan); 117 int (*port_obj_vlan_del)(struct rocker_port *rocker_port, 118 const struct switchdev_obj_port_vlan *vlan); 119 int (*port_obj_fdb_add)(struct rocker_port *rocker_port, 120 u16 vid, const unsigned char *addr); 121 int (*port_obj_fdb_del)(struct rocker_port *rocker_port, 122 u16 vid, const unsigned char *addr); 123 int (*port_master_linked)(struct rocker_port *rocker_port, 124 struct net_device *master); 125 int (*port_master_unlinked)(struct rocker_port *rocker_port, 126 struct net_device *master); 127 int (*port_neigh_update)(struct rocker_port *rocker_port, 128 struct neighbour *n); 129 int (*port_neigh_destroy)(struct rocker_port *rocker_port, 130 struct neighbour *n); 131 int (*port_ev_mac_vlan_seen)(struct rocker_port *rocker_port, 132 const unsigned char *addr, 133 __be16 vlan_id); 134 int (*fib4_add)(struct rocker *rocker, 135 const struct fib_entry_notifier_info *fen_info); 136 int (*fib4_del)(struct rocker *rocker, 137 const struct fib_entry_notifier_info *fen_info); 138 void (*fib4_abort)(struct rocker *rocker); 139 }; 140 141 extern struct rocker_world_ops rocker_ofdpa_ops; 142 143 #endif 144