1
2
3
4
5
6
7
8
9
10
11#ifndef _LINUX_IF_TEAM_H_
12#define _LINUX_IF_TEAM_H_
13
14#ifdef __KERNEL__
15
16struct team_pcpu_stats {
17 u64 rx_packets;
18 u64 rx_bytes;
19 u64 rx_multicast;
20 u64 tx_packets;
21 u64 tx_bytes;
22 struct u64_stats_sync syncp;
23 u32 rx_dropped;
24 u32 tx_dropped;
25};
26
27struct team;
28
29struct team_port {
30 struct net_device *dev;
31 struct hlist_node hlist;
32 struct list_head list;
33 struct team *team;
34 int index;
35
36 bool linkup;
37
38 struct {
39 bool linkup;
40 u32 speed;
41 u8 duplex;
42 } state;
43
44
45 struct {
46 bool linkup;
47 bool linkup_enabled;
48 } user;
49
50
51 bool changed;
52 bool removed;
53
54
55
56
57
58 struct {
59 unsigned char dev_addr[MAX_ADDR_LEN];
60 unsigned int mtu;
61 } orig;
62
63 struct rcu_head rcu;
64};
65
66struct team_mode_ops {
67 int (*init)(struct team *team);
68 void (*exit)(struct team *team);
69 rx_handler_result_t (*receive)(struct team *team,
70 struct team_port *port,
71 struct sk_buff *skb);
72 bool (*transmit)(struct team *team, struct sk_buff *skb);
73 int (*port_enter)(struct team *team, struct team_port *port);
74 void (*port_leave)(struct team *team, struct team_port *port);
75 void (*port_change_mac)(struct team *team, struct team_port *port);
76};
77
78enum team_option_type {
79 TEAM_OPTION_TYPE_U32,
80 TEAM_OPTION_TYPE_STRING,
81 TEAM_OPTION_TYPE_BINARY,
82 TEAM_OPTION_TYPE_BOOL,
83};
84
85struct team_gsetter_ctx {
86 union {
87 u32 u32_val;
88 const char *str_val;
89 struct {
90 const void *ptr;
91 u32 len;
92 } bin_val;
93 bool bool_val;
94 } data;
95 struct team_port *port;
96};
97
98struct team_option {
99 struct list_head list;
100 const char *name;
101 bool per_port;
102 enum team_option_type type;
103 int (*getter)(struct team *team, struct team_gsetter_ctx *ctx);
104 int (*setter)(struct team *team, struct team_gsetter_ctx *ctx);
105};
106
107struct team_mode {
108 struct list_head list;
109 const char *kind;
110 struct module *owner;
111 size_t priv_size;
112 const struct team_mode_ops *ops;
113};
114
115#define TEAM_PORT_HASHBITS 4
116#define TEAM_PORT_HASHENTRIES (1 << TEAM_PORT_HASHBITS)
117
118#define TEAM_MODE_PRIV_LONGS 4
119#define TEAM_MODE_PRIV_SIZE (sizeof(long) * TEAM_MODE_PRIV_LONGS)
120
121struct team {
122 struct net_device *dev;
123 struct team_pcpu_stats __percpu *pcpu_stats;
124
125 struct mutex lock;
126
127
128
129
130 int en_port_count;
131 struct hlist_head en_port_hlist[TEAM_PORT_HASHENTRIES];
132
133 struct list_head port_list;
134
135 struct list_head option_list;
136 struct list_head option_inst_list;
137
138 const struct team_mode *mode;
139 struct team_mode_ops ops;
140 long mode_priv[TEAM_MODE_PRIV_LONGS];
141};
142
143static inline struct hlist_head *team_port_index_hash(struct team *team,
144 int port_index)
145{
146 return &team->en_port_hlist[port_index & (TEAM_PORT_HASHENTRIES - 1)];
147}
148
149static inline struct team_port *team_get_port_by_index(struct team *team,
150 int port_index)
151{
152 struct hlist_node *p;
153 struct team_port *port;
154 struct hlist_head *head = team_port_index_hash(team, port_index);
155
156 hlist_for_each_entry(port, p, head, hlist)
157 if (port->index == port_index)
158 return port;
159 return NULL;
160}
161static inline struct team_port *team_get_port_by_index_rcu(struct team *team,
162 int port_index)
163{
164 struct hlist_node *p;
165 struct team_port *port;
166 struct hlist_head *head = team_port_index_hash(team, port_index);
167
168 hlist_for_each_entry_rcu(port, p, head, hlist)
169 if (port->index == port_index)
170 return port;
171 return NULL;
172}
173
174extern int team_port_set_team_mac(struct team_port *port);
175extern int team_options_register(struct team *team,
176 const struct team_option *option,
177 size_t option_count);
178extern void team_options_unregister(struct team *team,
179 const struct team_option *option,
180 size_t option_count);
181extern int team_mode_register(struct team_mode *mode);
182extern int team_mode_unregister(struct team_mode *mode);
183
184#endif
185
186#define TEAM_STRING_MAX_LEN 32
187
188
189
190
191
192enum {
193 TEAM_CMD_NOOP,
194 TEAM_CMD_OPTIONS_SET,
195 TEAM_CMD_OPTIONS_GET,
196 TEAM_CMD_PORT_LIST_GET,
197
198 __TEAM_CMD_MAX,
199 TEAM_CMD_MAX = (__TEAM_CMD_MAX - 1),
200};
201
202enum {
203 TEAM_ATTR_UNSPEC,
204 TEAM_ATTR_TEAM_IFINDEX,
205 TEAM_ATTR_LIST_OPTION,
206 TEAM_ATTR_LIST_PORT,
207
208 __TEAM_ATTR_MAX,
209 TEAM_ATTR_MAX = __TEAM_ATTR_MAX - 1,
210};
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228enum {
229 TEAM_ATTR_ITEM_OPTION_UNSPEC,
230 TEAM_ATTR_ITEM_OPTION,
231
232 __TEAM_ATTR_ITEM_OPTION_MAX,
233 TEAM_ATTR_ITEM_OPTION_MAX = __TEAM_ATTR_ITEM_OPTION_MAX - 1,
234};
235
236enum {
237 TEAM_ATTR_OPTION_UNSPEC,
238 TEAM_ATTR_OPTION_NAME,
239 TEAM_ATTR_OPTION_CHANGED,
240 TEAM_ATTR_OPTION_TYPE,
241 TEAM_ATTR_OPTION_DATA,
242 TEAM_ATTR_OPTION_REMOVED,
243 TEAM_ATTR_OPTION_PORT_IFINDEX,
244
245 __TEAM_ATTR_OPTION_MAX,
246 TEAM_ATTR_OPTION_MAX = __TEAM_ATTR_OPTION_MAX - 1,
247};
248
249enum {
250 TEAM_ATTR_ITEM_PORT_UNSPEC,
251 TEAM_ATTR_ITEM_PORT,
252
253 __TEAM_ATTR_ITEM_PORT_MAX,
254 TEAM_ATTR_ITEM_PORT_MAX = __TEAM_ATTR_ITEM_PORT_MAX - 1,
255};
256
257enum {
258 TEAM_ATTR_PORT_UNSPEC,
259 TEAM_ATTR_PORT_IFINDEX,
260 TEAM_ATTR_PORT_CHANGED,
261 TEAM_ATTR_PORT_LINKUP,
262 TEAM_ATTR_PORT_SPEED,
263 TEAM_ATTR_PORT_DUPLEX,
264 TEAM_ATTR_PORT_REMOVED,
265
266 __TEAM_ATTR_PORT_MAX,
267 TEAM_ATTR_PORT_MAX = __TEAM_ATTR_PORT_MAX - 1,
268};
269
270
271
272
273#define TEAM_GENL_NAME "team"
274#define TEAM_GENL_VERSION 0x1
275#define TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME "change_event"
276
277#endif
278
