[linux-2.6-block.git] / drivers / net / ethernet / rocker / rocker.h

/*
 * drivers/net/ethernet/rocker/rocker.h - Rocker switch device driver
 * Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com>
 * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef _ROCKER_H
#define _ROCKER_H

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/notifier.h>
#include <net/neighbour.h>
#include <net/switchdev.h>

#include "rocker_hw.h"

struct rocker_desc_info {
	char *data; /* mapped */
	size_t data_size;
	size_t tlv_size;
	struct rocker_desc *desc;
	dma_addr_t mapaddr;
};

struct rocker_dma_ring_info {
	size_t size;
	u32 head;
	u32 tail;
	struct rocker_desc *desc; /* mapped */
	dma_addr_t mapaddr;
	struct rocker_desc_info *desc_info;
	unsigned int type;
};

struct rocker;

struct rocker_port {
	struct net_device *dev;
	struct rocker *rocker;
	void *wpriv;
	unsigned int port_number;
	u32 pport;
	struct napi_struct napi_tx;
	struct napi_struct napi_rx;
	struct rocker_dma_ring_info tx_ring;
	struct rocker_dma_ring_info rx_ring;
};

struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev,
					       struct rocker *rocker);

struct rocker_world_ops;

struct rocker {
	struct pci_dev *pdev;
	u8 __iomem *hw_addr;
	struct msix_entry *msix_entries;
	unsigned int port_count;
	struct rocker_port **ports;
	struct {
		u64 id;
	} hw;
	spinlock_t cmd_ring_lock;		/* for cmd ring accesses */
	struct rocker_dma_ring_info cmd_ring;
	struct rocker_dma_ring_info event_ring;
	struct notifier_block fib_nb;
	struct rocker_world_ops *wops;
	void *wpriv;
};

typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port,
				    struct rocker_desc_info *desc_info,
				    void *priv);

typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port,
				    const struct rocker_desc_info *desc_info,
				    void *priv);

int rocker_cmd_exec(struct rocker_port *rocker_port, bool nowait,
		    rocker_cmd_prep_cb_t prepare, void *prepare_priv,
		    rocker_cmd_proc_cb_t process, void *process_priv);

int rocker_port_set_learning(struct rocker_port *rocker_port,
			     bool learning);

struct rocker_world_ops {
	const char *kind;
	size_t priv_size;
	size_t port_priv_size;
	u8 mode;
	int (*init)(struct rocker *rocker);
	void (*fini)(struct rocker *rocker);
	int (*port_pre_init)(struct rocker_port *rocker_port);
	int (*port_init)(struct rocker_port *rocker_port);
	void (*port_fini)(struct rocker_port *rocker_port);
	void (*port_post_fini)(struct rocker_port *rocker_port);
	int (*port_open)(struct rocker_port *rocker_port);
	void (*port_stop)(struct rocker_port *rocker_port);
	int (*port_attr_stp_state_set)(struct rocker_port *rocker_port,
				       u8 state,
				       struct switchdev_trans *trans);
	int (*port_attr_bridge_flags_set)(struct rocker_port *rocker_port,
					  unsigned long brport_flags,
					  struct switchdev_trans *trans);
	int (*port_attr_bridge_flags_get)(const struct rocker_port *rocker_port,
					  unsigned long *p_brport_flags);
	int (*port_attr_bridge_ageing_time_set)(struct rocker_port *rocker_port,
						u32 ageing_time,
						struct switchdev_trans *trans);
	int (*port_obj_vlan_add)(struct rocker_port *rocker_port,
				 const struct switchdev_obj_port_vlan *vlan,
				 struct switchdev_trans *trans);
	int (*port_obj_vlan_del)(struct rocker_port *rocker_port,
				 const struct switchdev_obj_port_vlan *vlan);
	int (*port_obj_vlan_dump)(const struct rocker_port *rocker_port,
				  struct switchdev_obj_port_vlan *vlan,
				  switchdev_obj_dump_cb_t *cb);
	int (*port_obj_fdb_add)(struct rocker_port *rocker_port,
				const struct switchdev_obj_port_fdb *fdb,
				struct switchdev_trans *trans);
	int (*port_obj_fdb_del)(struct rocker_port *rocker_port,
				const struct switchdev_obj_port_fdb *fdb);
	int (*port_obj_fdb_dump)(const struct rocker_port *rocker_port,
				 struct switchdev_obj_port_fdb *fdb,
				 switchdev_obj_dump_cb_t *cb);
	int (*port_master_linked)(struct rocker_port *rocker_port,
				  struct net_device *master);
	int (*port_master_unlinked)(struct rocker_port *rocker_port,
				    struct net_device *master);
	int (*port_neigh_update)(struct rocker_port *rocker_port,
				 struct neighbour *n);
	int (*port_neigh_destroy)(struct rocker_port *rocker_port,
				  struct neighbour *n);
	int (*port_ev_mac_vlan_seen)(struct rocker_port *rocker_port,
				     const unsigned char *addr,
				     __be16 vlan_id);
	int (*fib4_add)(struct rocker *rocker,
			const struct fib_entry_notifier_info *fen_info);
	int (*fib4_del)(struct rocker *rocker,
			const struct fib_entry_notifier_info *fen_info);
	void (*fib4_abort)(struct rocker *rocker);
};

extern struct rocker_world_ops rocker_ofdpa_ops;

#endif
Commit	Line	Data
de152192 JP	1	/*
	2	* drivers/net/ethernet/rocker/rocker.h - Rocker switch device driver
	3	* Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com>
	4	* Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*/
	11
	12	#ifndef _ROCKER_H
	13	#define _ROCKER_H
	14
e420114e	15	#include <linux/kernel.h>
de152192	16	#include <linux/types.h>
e420114e	17	#include <linux/netdevice.h>
936bd486	18	#include <linux/notifier.h>
e420114e JP	19	#include <net/neighbour.h>
e420114e JP	20	#include <net/switchdev.h>
de152192 JP	21
	22	#include "rocker_hw.h"
	23
	24	struct rocker_desc_info {
	25	char data; / mapped */
	26	size_t data_size;
	27	size_t tlv_size;
	28	struct rocker_desc *desc;
	29	dma_addr_t mapaddr;
	30	};
	31
0514c4e8 JP	32	struct rocker_dma_ring_info {
	33	size_t size;
	34	u32 head;
	35	u32 tail;
	36	struct rocker_desc desc; / mapped */
	37	dma_addr_t mapaddr;
	38	struct rocker_desc_info *desc_info;
	39	unsigned int type;
	40	};
	41
	42	struct rocker;
	43
0514c4e8 JP	44	struct rocker_port {
0514c4e8 JP	45	struct net_device *dev;
0514c4e8	46	struct rocker *rocker;
e420114e	47	void *wpriv;
0514c4e8 JP	48	unsigned int port_number;
0514c4e8 JP	49	u32 pport;
0514c4e8 JP	50	struct napi_struct napi_tx;
	51	struct napi_struct napi_rx;
	52	struct rocker_dma_ring_info tx_ring;
	53	struct rocker_dma_ring_info rx_ring;
	54	};
	55
936bd486 JP	56	struct rocker_port rocker_port_dev_lower_find(struct net_device dev,
	57	struct rocker *rocker);
	58
e420114e JP	59	struct rocker_world_ops;
e420114e JP	60
0514c4e8 JP	61	struct rocker {
	62	struct pci_dev *pdev;
	63	u8 __iomem *hw_addr;
	64	struct msix_entry *msix_entries;
	65	unsigned int port_count;
	66	struct rocker_port **ports;
	67	struct {
	68	u64 id;
	69	} hw;
	70	spinlock_t cmd_ring_lock; /* for cmd ring accesses */
	71	struct rocker_dma_ring_info cmd_ring;
	72	struct rocker_dma_ring_info event_ring;
936bd486	73	struct notifier_block fib_nb;
e420114e JP	74	struct rocker_world_ops *wops;
e420114e JP	75	void *wpriv;
0514c4e8 JP	76	};
0514c4e8 JP	77
3fbcdbf3 JP	78	typedef int (rocker_cmd_prep_cb_t)(const struct rocker_port rocker_port,
	79	struct rocker_desc_info *desc_info,
	80	void *priv);
	81
	82	typedef int (rocker_cmd_proc_cb_t)(const struct rocker_port rocker_port,
	83	const struct rocker_desc_info *desc_info,
	84	void *priv);
	85
	86	int rocker_cmd_exec(struct rocker_port *rocker_port, bool nowait,
	87	rocker_cmd_prep_cb_t prepare, void *prepare_priv,
	88	rocker_cmd_proc_cb_t process, void *process_priv);
	89
	90	int rocker_port_set_learning(struct rocker_port *rocker_port,
	91	bool learning);
	92
e420114e JP	93	struct rocker_world_ops {
	94	const char *kind;
	95	size_t priv_size;
	96	size_t port_priv_size;
	97	u8 mode;
	98	int (init)(struct rocker rocker);
	99	void (fini)(struct rocker rocker);
	100	int (port_pre_init)(struct rocker_port rocker_port);
	101	int (port_init)(struct rocker_port rocker_port);
	102	void (port_fini)(struct rocker_port rocker_port);
	103	void (port_post_fini)(struct rocker_port rocker_port);
	104	int (port_open)(struct rocker_port rocker_port);
	105	void (port_stop)(struct rocker_port rocker_port);
	106	int (port_attr_stp_state_set)(struct rocker_port rocker_port,
	107	u8 state,
	108	struct switchdev_trans *trans);
	109	int (port_attr_bridge_flags_set)(struct rocker_port rocker_port,
	110	unsigned long brport_flags,
	111	struct switchdev_trans *trans);
	112	int (port_attr_bridge_flags_get)(const struct rocker_port rocker_port,
	113	unsigned long *p_brport_flags);
	114	int (port_attr_bridge_ageing_time_set)(struct rocker_port rocker_port,
	115	u32 ageing_time,
	116	struct switchdev_trans *trans);
	117	int (port_obj_vlan_add)(struct rocker_port rocker_port,
	118	const struct switchdev_obj_port_vlan *vlan,
	119	struct switchdev_trans *trans);
	120	int (port_obj_vlan_del)(struct rocker_port rocker_port,
	121	const struct switchdev_obj_port_vlan *vlan);
	122	int (port_obj_vlan_dump)(const struct rocker_port rocker_port,
	123	struct switchdev_obj_port_vlan *vlan,
	124	switchdev_obj_dump_cb_t *cb);
e420114e JP	125	int (port_obj_fdb_add)(struct rocker_port rocker_port,
	126	const struct switchdev_obj_port_fdb *fdb,
	127	struct switchdev_trans *trans);
	128	int (port_obj_fdb_del)(struct rocker_port rocker_port,
	129	const struct switchdev_obj_port_fdb *fdb);
	130	int (port_obj_fdb_dump)(const struct rocker_port rocker_port,
	131	struct switchdev_obj_port_fdb *fdb,
	132	switchdev_obj_dump_cb_t *cb);
	133	int (port_master_linked)(struct rocker_port rocker_port,
	134	struct net_device *master);
	135	int (port_master_unlinked)(struct rocker_port rocker_port,
	136	struct net_device *master);
	137	int (port_neigh_update)(struct rocker_port rocker_port,
	138	struct neighbour *n);
	139	int (port_neigh_destroy)(struct rocker_port rocker_port,
	140	struct neighbour *n);
	141	int (port_ev_mac_vlan_seen)(struct rocker_port rocker_port,
	142	const unsigned char *addr,
	143	__be16 vlan_id);
936bd486 JP	144	int (fib4_add)(struct rocker rocker,
	145	const struct fib_entry_notifier_info *fen_info);
	146	int (fib4_del)(struct rocker rocker,
	147	const struct fib_entry_notifier_info *fen_info);
	148	void (fib4_abort)(struct rocker rocker);
e420114e JP	149	};
	150
	151	extern struct rocker_world_ops rocker_ofdpa_ops;
	152
de152192	153	#endif