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
 20struct 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
 28struct 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
 38struct rocker;
 39
 40struct 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
 52struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev,
 53					       struct rocker *rocker);
 54
 55struct rocker_world_ops;
 56
 57struct 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
 75typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port,
 76				    struct rocker_desc_info *desc_info,
 77				    void *priv);
 78
 79typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port,
 80				    const struct rocker_desc_info *desc_info,
 81				    void *priv);
 82
 83int 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
 87int rocker_port_set_learning(struct rocker_port *rocker_port,
 88			     bool learning);
 89
 90struct 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	int (*port_attr_bridge_flags_support_get)(const struct rocker_port *
108						  rocker_port,
109						  unsigned long *
110						  p_brport_flags);
111	int (*port_attr_bridge_ageing_time_set)(struct rocker_port *rocker_port,
112						u32 ageing_time);
113	int (*port_obj_vlan_add)(struct rocker_port *rocker_port,
114				 const struct switchdev_obj_port_vlan *vlan);
115	int (*port_obj_vlan_del)(struct rocker_port *rocker_port,
116				 const struct switchdev_obj_port_vlan *vlan);
117	int (*port_obj_fdb_add)(struct rocker_port *rocker_port,
118				u16 vid, const unsigned char *addr);
119	int (*port_obj_fdb_del)(struct rocker_port *rocker_port,
120				u16 vid, const unsigned char *addr);
121	int (*port_master_linked)(struct rocker_port *rocker_port,
122				  struct net_device *master,
123				  struct netlink_ext_ack *extack);
124	int (*port_master_unlinked)(struct rocker_port *rocker_port,
125				    struct net_device *master);
126	int (*port_neigh_update)(struct rocker_port *rocker_port,
127				 struct neighbour *n);
128	int (*port_neigh_destroy)(struct rocker_port *rocker_port,
129				  struct neighbour *n);
130	int (*port_ev_mac_vlan_seen)(struct rocker_port *rocker_port,
131				     const unsigned char *addr,
132				     __be16 vlan_id);
133	int (*fib4_add)(struct rocker *rocker,
134			const struct fib_entry_notifier_info *fen_info);
135	int (*fib4_del)(struct rocker *rocker,
136			const struct fib_entry_notifier_info *fen_info);
137	void (*fib4_abort)(struct rocker *rocker);
138};
139
140extern struct rocker_world_ops rocker_ofdpa_ops;
141
142#endif