/*
* 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/hashtable.h>
#include <linux/if_vlan.h>
#include <linux/netdevice.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;
enum {
ROCKER_CTRL_LINK_LOCAL_MCAST,
ROCKER_CTRL_LOCAL_ARP,
ROCKER_CTRL_IPV4_MCAST,
ROCKER_CTRL_IPV6_MCAST,
ROCKER_CTRL_DFLT_BRIDGING,
ROCKER_CTRL_DFLT_OVS,
ROCKER_CTRL_MAX,
};
#define ROCKER_INTERNAL_VLAN_ID_BASE 0x0f00
#define ROCKER_N_INTERNAL_VLANS 255
#define ROCKER_VLAN_BITMAP_LEN BITS_TO_LONGS(VLAN_N_VID)
#define ROCKER_INTERNAL_VLAN_BITMAP_LEN BITS_TO_LONGS(ROCKER_N_INTERNAL_VLANS)
struct rocker_port {
struct net_device *dev;
struct net_device *bridge_dev;
struct rocker *rocker;
void *wpriv;
unsigned int port_number;
u32 pport;
__be16 internal_vlan_id;
int stp_state;
u32 brport_flags;
unsigned long ageing_time;
bool ctrls[ROCKER_CTRL_MAX];
unsigned long vlan_bitmap[ROCKER_VLAN_BITMAP_LEN];
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_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 rocker_world_ops *wops;
void *wpriv;
DECLARE_HASHTABLE(flow_tbl, 16);
spinlock_t flow_tbl_lock; /* for flow tbl accesses */
u64 flow_tbl_next_cookie;
DECLARE_HASHTABLE(group_tbl, 16);
spinlock_t group_tbl_lock; /* for group tbl accesses */
struct timer_list fdb_cleanup_timer;
DECLARE_HASHTABLE(fdb_tbl, 16);
spinlock_t fdb_tbl_lock; /* for fdb tbl accesses */
unsigned long internal_vlan_bitmap[ROCKER_INTERNAL_VLAN_BITMAP_LEN];
DECLARE_HASHTABLE(internal_vlan_tbl, 8);
spinlock_t internal_vlan_tbl_lock; /* for vlan tbl accesses */
DECLARE_HASHTABLE(neigh_tbl, 16);
spinlock_t neigh_tbl_lock; /* for neigh tbl accesses */
u32 neigh_tbl_next_index;
};
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_fib4_add)(struct rocker_port *rocker_port,
const struct switchdev_obj_ipv4_fib *fib4,
struct switchdev_trans *trans);
int (*port_obj_fib4_del)(struct rocker_port *rocker_port,
const struct switchdev_obj_ipv4_fib *fib4);
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);
};
extern struct rocker_world_ops rocker_ofdpa_ops;
#endif
