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Merge tag 'for-5.1/block-post-20190315' of git://git.kernel.dk/linux-block
[linux.git] / net / dsa / dsa_priv.h
CommitLineData
91da11f8
LB		 1/*
2 * net/dsa/dsa_priv.h - Hardware switch handling
e84665c9 3 * Copyright (c) 2008-2009 Marvell Semiconductor
91da11f8
LB		 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
91da11f8 14#include <linux/phy.h>
5075314e 15#include <linux/netdevice.h>
04ff53f9 16#include <linux/netpoll.h>
ea5dd34b 17#include <net/dsa.h>
5075314e 18
52c96f9d 19enum {
1faabf74 20 DSA_NOTIFIER_AGEING_TIME,
52c96f9d
VD		 21 DSA_NOTIFIER_BRIDGE_JOIN,
22 DSA_NOTIFIER_BRIDGE_LEAVE,
685fb6a4
VD		 23 DSA_NOTIFIER_FDB_ADD,
24 DSA_NOTIFIER_FDB_DEL,
8ae5bcdc
VD		 25 DSA_NOTIFIER_MDB_ADD,
26 DSA_NOTIFIER_MDB_DEL,
d0c627b8
VD		 27 DSA_NOTIFIER_VLAN_ADD,
28 DSA_NOTIFIER_VLAN_DEL,
52c96f9d
VD		 29};
30
1faabf74
VD		 31/* DSA_NOTIFIER_AGEING_TIME */
32struct dsa_notifier_ageing_time_info {
33 struct switchdev_trans *trans;
34 unsigned int ageing_time;
1faabf74
VD		 35};
36
52c96f9d
VD		 37/* DSA_NOTIFIER_BRIDGE_* */
38struct dsa_notifier_bridge_info {
39 struct net_device *br;
40 int sw_index;
41 int port;
42};
43
685fb6a4
VD		 44/* DSA_NOTIFIER_FDB_* */
45struct dsa_notifier_fdb_info {
685fb6a4
VD		 46 int sw_index;
47 int port;
2acf4e6a
AS		 48 const unsigned char *addr;
49 u16 vid;
685fb6a4
VD		 50};
51
8ae5bcdc
VD		 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
d0c627b8
VD		 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
91da11f8 68struct dsa_slave_priv {
15240248 69 /* Copy of CPU port xmit for faster access in slave transmit hot path */
4ed70ce9 70 struct sk_buff * (*xmit)(struct sk_buff *skb,
5075314e 71 struct net_device *dev);
e84665c9 72
5f6b4e14 73 struct pcpu_sw_netstats *stats64;
f613ed66 74
afdcf151
VD		 75 /* DSA port data, such as switch, port index, etc. */
76 struct dsa_port *dp;
e84665c9 77
04ff53f9
FF		 78#ifdef CONFIG_NET_POLL_CONTROLLER
79 struct netpoll *netpoll;
80#endif
f50f2127
FF		 81
82 /* TC context */
83 struct list_head mall_tc_list;
91da11f8
LB		 84};
85
91da11f8 86/* dsa.c */
39a7f2a4 87const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
c9eb3e0f 88bool dsa_schedule_work(struct work_struct *work);
98cdb480 89const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);
91da11f8 90
a6a71f19 91/* legacy.c */
2a93c1a3 92#if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
a6a71f19
VD		 93int dsa_legacy_register(void);
94void dsa_legacy_unregister(void);
2a93c1a3
FF		 95#else
96static inline int dsa_legacy_register(void)
97{
21602e1a 98 return 0;
2a93c1a3
FF		 99}
100
101static inline void dsa_legacy_unregister(void) { }
102#endif
37b8da1a
AS		 103int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
104 struct net_device *dev,
105 const unsigned char *addr, u16 vid,
87b0984e
PM		 106 u16 flags,
107 struct netlink_ext_ack *extack);
37b8da1a
AS		 108int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
109 struct net_device *dev,
110 const unsigned char *addr, u16 vid);
a6a71f19 111
f2f23566 112/* master.c */
17a22fcf
VD		 113int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
114void dsa_master_teardown(struct net_device *dev);
f2f23566 115
2231c43b
VD		 116static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
117 int device, int port)
3775b1b7 118{
2f657a60
VD		 119 struct dsa_port *cpu_dp = dev->dsa_ptr;
120 struct dsa_switch_tree *dst = cpu_dp->dst;
3775b1b7 121 struct dsa_switch *ds;
fc5f3376 122 struct dsa_port *slave_port;
3775b1b7
VD		 123
124 if (device < 0 || device >= DSA_MAX_SWITCHES)
125 return NULL;
126
127 ds = dst->ds[device];
128 if (!ds)
129 return NULL;
130
131 if (port < 0 || port >= ds->num_ports)
132 return NULL;
133
fc5f3376
AL		 134 slave_port = &ds->ports[port];
135
136 if (unlikely(slave_port->type != DSA_PORT_TYPE_USER))
137 return NULL;
138
139 return slave_port->slave;
3775b1b7
VD		 140}
141
a40c175b
VD		 142/* port.c */
143int dsa_port_set_state(struct dsa_port *dp, u8 state,
144 struct switchdev_trans *trans);
fb8a6a2b 145int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
75104db0 146void dsa_port_disable(struct dsa_port *dp);
cfbed329
VD		 147int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
148void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
4d61d304
VD		 149int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
150 struct switchdev_trans *trans);
d87bd94e
VD		 151int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
152 struct switchdev_trans *trans);
2acf4e6a
AS		 153int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
154 u16 vid);
155int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
156 u16 vid);
de40fc5d 157int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
bb9f6031 158int dsa_port_mdb_add(const struct dsa_port *dp,
3a9afea3
VD		 159 const struct switchdev_obj_port_mdb *mdb,
160 struct switchdev_trans *trans);
bb9f6031 161int dsa_port_mdb_del(const struct dsa_port *dp,
3a9afea3 162 const struct switchdev_obj_port_mdb *mdb);
ea87005a
FF		 163int dsa_port_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
164 struct switchdev_trans *trans);
57652796
RK		 165int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
166 struct switchdev_trans *trans);
076e7133
VD		 167int dsa_port_vlan_add(struct dsa_port *dp,
168 const struct switchdev_obj_port_vlan *vlan,
169 struct switchdev_trans *trans);
170int dsa_port_vlan_del(struct dsa_port *dp,
171 const struct switchdev_obj_port_vlan *vlan);
33615367
SR		 172int dsa_port_link_register_of(struct dsa_port *dp);
173void dsa_port_link_unregister_of(struct dsa_port *dp);
57ab1ca2 174
91da11f8 175/* slave.c */
5075314e 176extern const struct dsa_device_ops notag_netdev_ops;
91da11f8 177void dsa_slave_mii_bus_init(struct dsa_switch *ds);
951259aa 178int dsa_slave_create(struct dsa_port *dp);
cda5c15b 179void dsa_slave_destroy(struct net_device *slave_dev);
24462549
FF		 180int dsa_slave_suspend(struct net_device *slave_dev);
181int dsa_slave_resume(struct net_device *slave_dev);
88e4f0ca
VD		 182int dsa_slave_register_notifier(void);
183void dsa_slave_unregister_notifier(void);
91da11f8 184
d945097b
VD		 185static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
186{
187 struct dsa_slave_priv *p = netdev_priv(dev);
188
189 return p->dp;
190}
191
d0006b00
VD		 192static inline struct net_device *
193dsa_slave_to_master(const struct net_device *dev)
194{
195 struct dsa_port *dp = dsa_slave_to_port(dev);
196
f8b8b1cd 197 return dp->cpu_dp->master;
d0006b00
VD		 198}
199
f515f192
VD		 200/* switch.c */
201int dsa_switch_register_notifier(struct dsa_switch *ds);
202void dsa_switch_unregister_notifier(struct dsa_switch *ds);
203
eb7b7211
AL		 204/* tag_brcm.c */
205extern const struct dsa_device_ops brcm_netdev_ops;
b74b70c4 206extern const struct dsa_device_ops brcm_prepend_netdev_ops;
eb7b7211 207
cf85d08f 208/* tag_dsa.c */
3e8a72d1 209extern const struct dsa_device_ops dsa_netdev_ops;
cf85d08f 210
91da11f8 211/* tag_edsa.c */
3e8a72d1 212extern const struct dsa_device_ops edsa_netdev_ops;
91da11f8 213
79691192
HM		 214/* tag_gswip.c */
215extern const struct dsa_device_ops gswip_netdev_ops;
216
8b8010fb 217/* tag_ksz.c */
39d6b96f 218extern const struct dsa_device_ops ksz9477_netdev_ops;
88b573af 219extern const struct dsa_device_ops ksz9893_netdev_ops;
8b8010fb 220
eb7b7211
AL		 221/* tag_lan9303.c */
222extern const struct dsa_device_ops lan9303_netdev_ops;
396138f0 223
eb7b7211
AL		 224/* tag_mtk.c */
225extern const struct dsa_device_ops mtk_netdev_ops;
5037d532 226
cafdc45c
JC		 227/* tag_qca.c */
228extern const struct dsa_device_ops qca_netdev_ops;
91da11f8 229
eb7b7211
AL		 230/* tag_trailer.c */
231extern const struct dsa_device_ops trailer_netdev_ops;
e8fe177a 232
91da11f8 233#endif
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