tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * net/dsa/dsa_priv.h - Hardware switch handling
3 * Copyright (c) 2008-2009 Marvell Semiconductor
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 */
10
11#ifndef __DSA_PRIV_H
12#define __DSA_PRIV_H
13
14#include <linux/phy.h>
15#include <linux/netdevice.h>
16#include <linux/netpoll.h>
17#include <net/dsa.h>
18
19enum {
20 DSA_NOTIFIER_AGEING_TIME,
21 DSA_NOTIFIER_BRIDGE_JOIN,
22 DSA_NOTIFIER_BRIDGE_LEAVE,
23 DSA_NOTIFIER_FDB_ADD,
24 DSA_NOTIFIER_FDB_DEL,
25 DSA_NOTIFIER_MDB_ADD,
26 DSA_NOTIFIER_MDB_DEL,
27 DSA_NOTIFIER_VLAN_ADD,
28 DSA_NOTIFIER_VLAN_DEL,
29};
30
31/* DSA_NOTIFIER_AGEING_TIME */
32struct dsa_notifier_ageing_time_info {
33 struct switchdev_trans *trans;
34 unsigned int ageing_time;
35};
36
37/* DSA_NOTIFIER_BRIDGE_* */
38struct dsa_notifier_bridge_info {
39 struct net_device *br;
40 int sw_index;
41 int port;
42};
43
44/* DSA_NOTIFIER_FDB_* */
45struct dsa_notifier_fdb_info {
46 int sw_index;
47 int port;
48 const unsigned char *addr;
49 u16 vid;
50};
51
52/* DSA_NOTIFIER_MDB_* */
53struct dsa_notifier_mdb_info {
54 const struct switchdev_obj_port_mdb *mdb;
55 struct switchdev_trans *trans;
56 int sw_index;
57 int port;
58};
59
60/* DSA_NOTIFIER_VLAN_* */
61struct dsa_notifier_vlan_info {
62 const struct switchdev_obj_port_vlan *vlan;
63 struct switchdev_trans *trans;
64 int sw_index;
65 int port;
66};
67
68struct dsa_slave_priv {
69 /* Copy of CPU port xmit for faster access in slave transmit hot path */
70 struct sk_buff * (*xmit)(struct sk_buff *skb,
71 struct net_device *dev);
72
73 struct pcpu_sw_netstats *stats64;
74
75 /* DSA port data, such as switch, port index, etc. */
76 struct dsa_port *dp;
77
78 /*
79 * The phylib phy_device pointer for the PHY connected
80 * to this port.
81 */
82 phy_interface_t phy_interface;
83 int old_link;
84 int old_pause;
85 int old_duplex;
86
87#ifdef CONFIG_NET_POLL_CONTROLLER
88 struct netpoll *netpoll;
89#endif
90
91 /* TC context */
92 struct list_head mall_tc_list;
93};
94
95/* dsa.c */
96const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
97bool dsa_schedule_work(struct work_struct *work);
98
99/* legacy.c */
100int dsa_legacy_register(void);
101void dsa_legacy_unregister(void);
102int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
103 struct net_device *dev,
104 const unsigned char *addr, u16 vid,
105 u16 flags);
106int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
107 struct net_device *dev,
108 const unsigned char *addr, u16 vid);
109
110/* master.c */
111int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
112void dsa_master_teardown(struct net_device *dev);
113
114static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
115 int device, int port)
116{
117 struct dsa_port *cpu_dp = dev->dsa_ptr;
118 struct dsa_switch_tree *dst = cpu_dp->dst;
119 struct dsa_switch *ds;
120
121 if (device < 0 || device >= DSA_MAX_SWITCHES)
122 return NULL;
123
124 ds = dst->ds[device];
125 if (!ds)
126 return NULL;
127
128 if (port < 0 || port >= ds->num_ports)
129 return NULL;
130
131 return ds->ports[port].slave;
132}
133
134/* port.c */
135int dsa_port_set_state(struct dsa_port *dp, u8 state,
136 struct switchdev_trans *trans);
137int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
138void dsa_port_disable(struct dsa_port *dp, struct phy_device *phy);
139int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
140void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
141int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
142 struct switchdev_trans *trans);
143int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
144 struct switchdev_trans *trans);
145int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
146 u16 vid);
147int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
148 u16 vid);
149int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
150int dsa_port_mdb_add(const struct dsa_port *dp,
151 const struct switchdev_obj_port_mdb *mdb,
152 struct switchdev_trans *trans);
153int dsa_port_mdb_del(const struct dsa_port *dp,
154 const struct switchdev_obj_port_mdb *mdb);
155int dsa_port_vlan_add(struct dsa_port *dp,
156 const struct switchdev_obj_port_vlan *vlan,
157 struct switchdev_trans *trans);
158int dsa_port_vlan_del(struct dsa_port *dp,
159 const struct switchdev_obj_port_vlan *vlan);
160int dsa_port_fixed_link_register_of(struct dsa_port *dp);
161void dsa_port_fixed_link_unregister_of(struct dsa_port *dp);
162
163/* slave.c */
164extern const struct dsa_device_ops notag_netdev_ops;
165void dsa_slave_mii_bus_init(struct dsa_switch *ds);
166int dsa_slave_create(struct dsa_port *dp);
167void dsa_slave_destroy(struct net_device *slave_dev);
168int dsa_slave_suspend(struct net_device *slave_dev);
169int dsa_slave_resume(struct net_device *slave_dev);
170int dsa_slave_register_notifier(void);
171void dsa_slave_unregister_notifier(void);
172
173static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
174{
175 struct dsa_slave_priv *p = netdev_priv(dev);
176
177 return p->dp;
178}
179
180static inline struct net_device *
181dsa_slave_to_master(const struct net_device *dev)
182{
183 struct dsa_port *dp = dsa_slave_to_port(dev);
184
185 return dp->cpu_dp->master;
186}
187
188/* switch.c */
189int dsa_switch_register_notifier(struct dsa_switch *ds);
190void dsa_switch_unregister_notifier(struct dsa_switch *ds);
191
192/* tag_brcm.c */
193extern const struct dsa_device_ops brcm_netdev_ops;
194extern const struct dsa_device_ops brcm_prepend_netdev_ops;
195
196/* tag_dsa.c */
197extern const struct dsa_device_ops dsa_netdev_ops;
198
199/* tag_edsa.c */
200extern const struct dsa_device_ops edsa_netdev_ops;
201
202/* tag_ksz.c */
203extern const struct dsa_device_ops ksz_netdev_ops;
204
205/* tag_lan9303.c */
206extern const struct dsa_device_ops lan9303_netdev_ops;
207
208/* tag_mtk.c */
209extern const struct dsa_device_ops mtk_netdev_ops;
210
211/* tag_qca.c */
212extern const struct dsa_device_ops qca_netdev_ops;
213
214/* tag_trailer.c */
215extern const struct dsa_device_ops trailer_netdev_ops;
216
217#endif