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
143