]>
Commit | Line | Data |
---|---|---|
9e567af4 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | /* |
3 | * Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved. | |
1da177e4 LT |
4 | */ |
5 | ||
1ef8019b DM |
6 | #ifndef _NET_BOND_3AD_H |
7 | #define _NET_BOND_3AD_H | |
1da177e4 LT |
8 | |
9 | #include <asm/byteorder.h> | |
10 | #include <linux/skbuff.h> | |
11 | #include <linux/netdevice.h> | |
ed9b58bc | 12 | #include <linux/if_ether.h> |
1da177e4 | 13 | |
2ea24f2e | 14 | /* General definitions */ |
ed9b58bc | 15 | #define PKT_TYPE_LACPDU cpu_to_be16(ETH_P_SLOW) |
1da177e4 LT |
16 | #define AD_TIMER_INTERVAL 100 /*msec*/ |
17 | ||
18 | #define MULTICAST_LACPDU_ADDR {0x01, 0x80, 0xC2, 0x00, 0x00, 0x02} | |
1da177e4 LT |
19 | |
20 | #define AD_LACP_SLOW 0 | |
21 | #define AD_LACP_FAST 1 | |
22 | ||
23 | typedef struct mac_addr { | |
24 | u8 mac_addr_value[ETH_ALEN]; | |
a10e1466 | 25 | } __packed mac_addr_t; |
1da177e4 | 26 | |
fd989c83 JV |
27 | enum { |
28 | BOND_AD_STABLE = 0, | |
29 | BOND_AD_BANDWIDTH = 1, | |
30 | BOND_AD_COUNT = 2, | |
31 | }; | |
1da177e4 | 32 | |
2ea24f2e | 33 | /* rx machine states(43.4.11 in the 802.3ad standard) */ |
1da177e4 LT |
34 | typedef enum { |
35 | AD_RX_DUMMY, | |
2ea24f2e JP |
36 | AD_RX_INITIALIZE, /* rx Machine */ |
37 | AD_RX_PORT_DISABLED, /* rx Machine */ | |
38 | AD_RX_LACP_DISABLED, /* rx Machine */ | |
39 | AD_RX_EXPIRED, /* rx Machine */ | |
40 | AD_RX_DEFAULTED, /* rx Machine */ | |
41 | AD_RX_CURRENT /* rx Machine */ | |
1da177e4 LT |
42 | } rx_states_t; |
43 | ||
2ea24f2e | 44 | /* periodic machine states(43.4.12 in the 802.3ad standard) */ |
1da177e4 LT |
45 | typedef enum { |
46 | AD_PERIODIC_DUMMY, | |
2ea24f2e JP |
47 | AD_NO_PERIODIC, /* periodic machine */ |
48 | AD_FAST_PERIODIC, /* periodic machine */ | |
49 | AD_SLOW_PERIODIC, /* periodic machine */ | |
50 | AD_PERIODIC_TX /* periodic machine */ | |
1da177e4 LT |
51 | } periodic_states_t; |
52 | ||
2ea24f2e | 53 | /* mux machine states(43.4.13 in the 802.3ad standard) */ |
1da177e4 LT |
54 | typedef enum { |
55 | AD_MUX_DUMMY, | |
2ea24f2e JP |
56 | AD_MUX_DETACHED, /* mux machine */ |
57 | AD_MUX_WAITING, /* mux machine */ | |
58 | AD_MUX_ATTACHED, /* mux machine */ | |
59 | AD_MUX_COLLECTING_DISTRIBUTING /* mux machine */ | |
1da177e4 LT |
60 | } mux_states_t; |
61 | ||
2ea24f2e | 62 | /* tx machine states(43.4.15 in the 802.3ad standard) */ |
1da177e4 LT |
63 | typedef enum { |
64 | AD_TX_DUMMY, | |
2ea24f2e | 65 | AD_TRANSMIT /* tx Machine */ |
1da177e4 LT |
66 | } tx_states_t; |
67 | ||
14c9551a MB |
68 | /* churn machine states(43.4.17 in the 802.3ad standard) */ |
69 | typedef enum { | |
70 | AD_CHURN_MONITOR, /* monitoring for churn */ | |
71 | AD_CHURN, /* churn detected (error) */ | |
72 | AD_NO_CHURN /* no churn (no error) */ | |
73 | } churn_state_t; | |
74 | ||
2ea24f2e | 75 | /* rx indication types */ |
1da177e4 | 76 | typedef enum { |
2ea24f2e JP |
77 | AD_TYPE_LACPDU = 1, /* type lacpdu */ |
78 | AD_TYPE_MARKER /* type marker */ | |
1da177e4 LT |
79 | } pdu_type_t; |
80 | ||
2ea24f2e | 81 | /* rx marker indication types */ |
1da177e4 | 82 | typedef enum { |
2ea24f2e JP |
83 | AD_MARKER_INFORMATION_SUBTYPE = 1, /* marker imformation subtype */ |
84 | AD_MARKER_RESPONSE_SUBTYPE /* marker response subtype */ | |
1c3f0b8e | 85 | } bond_marker_subtype_t; |
1da177e4 | 86 | |
2ea24f2e | 87 | /* timers types(43.4.9 in the 802.3ad standard) */ |
1da177e4 LT |
88 | typedef enum { |
89 | AD_CURRENT_WHILE_TIMER, | |
90 | AD_ACTOR_CHURN_TIMER, | |
91 | AD_PERIODIC_TIMER, | |
92 | AD_PARTNER_CHURN_TIMER, | |
93 | AD_WAIT_WHILE_TIMER | |
94 | } ad_timers_t; | |
95 | ||
96 | #pragma pack(1) | |
97 | ||
2ea24f2e | 98 | /* Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard) */ |
1da177e4 | 99 | typedef struct lacpdu { |
2ea24f2e | 100 | u8 subtype; /* = LACP(= 0x01) */ |
1da177e4 | 101 | u8 version_number; |
2ea24f2e JP |
102 | u8 tlv_type_actor_info; /* = actor information(type/length/value) */ |
103 | u8 actor_information_length; /* = 20 */ | |
d3bb52b0 | 104 | __be16 actor_system_priority; |
1da177e4 | 105 | struct mac_addr actor_system; |
d3bb52b0 AV |
106 | __be16 actor_key; |
107 | __be16 actor_port_priority; | |
108 | __be16 actor_port; | |
1da177e4 | 109 | u8 actor_state; |
2ea24f2e JP |
110 | u8 reserved_3_1[3]; /* = 0 */ |
111 | u8 tlv_type_partner_info; /* = partner information */ | |
112 | u8 partner_information_length; /* = 20 */ | |
d3bb52b0 | 113 | __be16 partner_system_priority; |
1da177e4 | 114 | struct mac_addr partner_system; |
d3bb52b0 AV |
115 | __be16 partner_key; |
116 | __be16 partner_port_priority; | |
117 | __be16 partner_port; | |
1da177e4 | 118 | u8 partner_state; |
2ea24f2e JP |
119 | u8 reserved_3_2[3]; /* = 0 */ |
120 | u8 tlv_type_collector_info; /* = collector information */ | |
121 | u8 collector_information_length;/* = 16 */ | |
d3bb52b0 | 122 | __be16 collector_max_delay; |
1da177e4 | 123 | u8 reserved_12[12]; |
2ea24f2e JP |
124 | u8 tlv_type_terminator; /* = terminator */ |
125 | u8 terminator_length; /* = 0 */ | |
126 | u8 reserved_50[50]; /* = 0 */ | |
a10e1466 | 127 | } __packed lacpdu_t; |
1da177e4 LT |
128 | |
129 | typedef struct lacpdu_header { | |
e727149e | 130 | struct ethhdr hdr; |
1da177e4 | 131 | struct lacpdu lacpdu; |
a10e1466 | 132 | } __packed lacpdu_header_t; |
1da177e4 | 133 | |
2ea24f2e | 134 | /* Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard) */ |
1c3f0b8e | 135 | typedef struct bond_marker { |
2ea24f2e JP |
136 | u8 subtype; /* = 0x02 (marker PDU) */ |
137 | u8 version_number; /* = 0x01 */ | |
138 | u8 tlv_type; /* = 0x01 (marker information) */ | |
139 | /* = 0x02 (marker response information) */ | |
140 | u8 marker_length; /* = 0x16 */ | |
141 | u16 requester_port; /* The number assigned to the port by the requester */ | |
142 | struct mac_addr requester_system; /* The requester's system id */ | |
143 | u32 requester_transaction_id; /* The transaction id allocated by the requester, */ | |
144 | u16 pad; /* = 0 */ | |
145 | u8 tlv_type_terminator; /* = 0x00 */ | |
146 | u8 terminator_length; /* = 0x00 */ | |
147 | u8 reserved_90[90]; /* = 0 */ | |
a10e1466 | 148 | } __packed bond_marker_t; |
1da177e4 | 149 | |
1c3f0b8e | 150 | typedef struct bond_marker_header { |
e727149e | 151 | struct ethhdr hdr; |
1c3f0b8e | 152 | struct bond_marker marker; |
a10e1466 | 153 | } __packed bond_marker_header_t; |
1da177e4 LT |
154 | |
155 | #pragma pack() | |
156 | ||
157 | struct slave; | |
158 | struct bonding; | |
159 | struct ad_info; | |
160 | struct port; | |
161 | ||
162 | #ifdef __ia64__ | |
163 | #pragma pack(8) | |
164 | #endif | |
165 | ||
267c095a NA |
166 | struct bond_3ad_stats { |
167 | atomic64_t lacpdu_rx; | |
168 | atomic64_t lacpdu_tx; | |
169 | atomic64_t lacpdu_unknown_rx; | |
170 | atomic64_t lacpdu_illegal_rx; | |
171 | ||
172 | atomic64_t marker_rx; | |
173 | atomic64_t marker_tx; | |
174 | atomic64_t marker_resp_rx; | |
175 | atomic64_t marker_resp_tx; | |
176 | atomic64_t marker_unknown_rx; | |
177 | }; | |
178 | ||
2ea24f2e | 179 | /* aggregator structure(43.4.5 in the 802.3ad standard) */ |
1da177e4 LT |
180 | typedef struct aggregator { |
181 | struct mac_addr aggregator_mac_address; | |
182 | u16 aggregator_identifier; | |
1624db7b | 183 | bool is_individual; |
1da177e4 LT |
184 | u16 actor_admin_aggregator_key; |
185 | u16 actor_oper_aggregator_key; | |
186 | struct mac_addr partner_system; | |
187 | u16 partner_system_priority; | |
188 | u16 partner_oper_aggregator_key; | |
2ea24f2e JP |
189 | u16 receive_state; /* BOOLEAN */ |
190 | u16 transmit_state; /* BOOLEAN */ | |
1da177e4 | 191 | struct port *lag_ports; |
2ea24f2e JP |
192 | /* ****** PRIVATE PARAMETERS ****** */ |
193 | struct slave *slave; /* pointer to the bond slave that this aggregator belongs to */ | |
194 | u16 is_active; /* BOOLEAN. Indicates if this aggregator is active */ | |
1da177e4 LT |
195 | u16 num_of_ports; |
196 | } aggregator_t; | |
197 | ||
1055c9ab HE |
198 | struct port_params { |
199 | struct mac_addr system; | |
200 | u16 system_priority; | |
201 | u16 key; | |
202 | u16 port_number; | |
203 | u16 port_priority; | |
204 | u16 port_state; | |
205 | }; | |
206 | ||
2ea24f2e | 207 | /* port structure(43.4.6 in the 802.3ad standard) */ |
1da177e4 LT |
208 | typedef struct port { |
209 | u16 actor_port_number; | |
210 | u16 actor_port_priority; | |
2ea24f2e JP |
211 | struct mac_addr actor_system; /* This parameter is added here although it is not specified in the standard, just for simplification */ |
212 | u16 actor_system_priority; /* This parameter is added here although it is not specified in the standard, just for simplification */ | |
1da177e4 | 213 | u16 actor_port_aggregator_identifier; |
d238d458 | 214 | bool ntt; |
1da177e4 LT |
215 | u16 actor_admin_port_key; |
216 | u16 actor_oper_port_key; | |
217 | u8 actor_admin_port_state; | |
218 | u8 actor_oper_port_state; | |
1055c9ab HE |
219 | |
220 | struct port_params partner_admin; | |
221 | struct port_params partner_oper; | |
222 | ||
f48127b6 HE |
223 | bool is_enabled; |
224 | ||
2ea24f2e JP |
225 | /* ****** PRIVATE PARAMETERS ****** */ |
226 | u16 sm_vars; /* all state machines variables for this port */ | |
227 | rx_states_t sm_rx_state; /* state machine rx state */ | |
228 | u16 sm_rx_timer_counter; /* state machine rx timer counter */ | |
229 | periodic_states_t sm_periodic_state; /* state machine periodic state */ | |
230 | u16 sm_periodic_timer_counter; /* state machine periodic timer counter */ | |
231 | mux_states_t sm_mux_state; /* state machine mux state */ | |
232 | u16 sm_mux_timer_counter; /* state machine mux timer counter */ | |
233 | tx_states_t sm_tx_state; /* state machine tx state */ | |
234 | u16 sm_tx_timer_counter; /* state machine tx timer counter(allways on - enter to transmit state 3 time per second) */ | |
14c9551a MB |
235 | u16 sm_churn_actor_timer_counter; |
236 | u16 sm_churn_partner_timer_counter; | |
237 | u32 churn_actor_count; | |
238 | u32 churn_partner_count; | |
239 | churn_state_t sm_churn_actor_state; | |
240 | churn_state_t sm_churn_partner_state; | |
2ea24f2e JP |
241 | struct slave *slave; /* pointer to the bond slave that this port belongs to */ |
242 | struct aggregator *aggregator; /* pointer to an aggregator that this port related to */ | |
243 | struct port *next_port_in_aggregator; /* Next port on the linked list of the parent aggregator */ | |
244 | u32 transaction_id; /* continuous number for identification of Marker PDU's; */ | |
245 | struct lacpdu lacpdu; /* the lacpdu that will be sent for this port */ | |
1da177e4 LT |
246 | } port_t; |
247 | ||
2ea24f2e | 248 | /* system structure */ |
87f422f8 | 249 | struct ad_system { |
1da177e4 LT |
250 | u16 sys_priority; |
251 | struct mac_addr sys_mac_addr; | |
87f422f8 | 252 | }; |
1da177e4 LT |
253 | |
254 | #ifdef __ia64__ | |
255 | #pragma pack() | |
256 | #endif | |
257 | ||
2ea24f2e | 258 | /* ========== AD Exported structures to the main bonding code ========== */ |
1da177e4 LT |
259 | #define BOND_AD_INFO(bond) ((bond)->ad_info) |
260 | #define SLAVE_AD_INFO(slave) ((slave)->ad_info) | |
261 | ||
262 | struct ad_bond_info { | |
2ea24f2e | 263 | struct ad_system system; /* 802.3ad system structure */ |
949e7cea | 264 | struct bond_3ad_stats stats; |
2ea24f2e | 265 | u32 agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */ |
163c8ff3 | 266 | u16 aggregator_identifier; |
1da177e4 LT |
267 | }; |
268 | ||
269 | struct ad_slave_info { | |
2ea24f2e JP |
270 | struct aggregator aggregator; /* 802.3ad aggregator structure */ |
271 | struct port port; /* 802.3ad port structure */ | |
267c095a | 272 | struct bond_3ad_stats stats; |
1da177e4 LT |
273 | u16 id; |
274 | }; | |
275 | ||
14c9551a MB |
276 | static inline const char *bond_3ad_churn_desc(churn_state_t state) |
277 | { | |
278 | static const char *const churn_description[] = { | |
279 | "monitoring", | |
280 | "churned", | |
281 | "none", | |
282 | "unknown" | |
283 | }; | |
31ba191b | 284 | int max_size = ARRAY_SIZE(churn_description); |
14c9551a MB |
285 | |
286 | if (state >= max_size) | |
287 | state = max_size - 1; | |
288 | ||
289 | return churn_description[state]; | |
290 | } | |
291 | ||
2ea24f2e | 292 | /* ========== AD Exported functions to the main bonding code ========== */ |
56d00c67 | 293 | void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution); |
2ea24f2e | 294 | void bond_3ad_bind_slave(struct slave *slave); |
1da177e4 | 295 | void bond_3ad_unbind_slave(struct slave *slave); |
1b76b316 | 296 | void bond_3ad_state_machine_handler(struct work_struct *); |
fd989c83 | 297 | void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout); |
52bc6716 | 298 | void bond_3ad_adapter_speed_duplex_changed(struct slave *slave); |
1da177e4 LT |
299 | void bond_3ad_handle_link_change(struct slave *slave, char link); |
300 | int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info); | |
318debd8 | 301 | int __bond_3ad_get_active_agg_info(struct bonding *bond, |
302 | struct ad_info *ad_info); | |
de063b70 ED |
303 | int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond, |
304 | struct slave *slave); | |
ff59c456 | 305 | int bond_3ad_set_carrier(struct bonding *bond); |
3a755cd8 | 306 | void bond_3ad_update_lacp_active(struct bonding *bond); |
ba824a8b | 307 | void bond_3ad_update_lacp_rate(struct bonding *bond); |
5ee14e6d | 308 | void bond_3ad_update_ad_actor_settings(struct bonding *bond); |
a258aeac NA |
309 | int bond_3ad_stats_fill(struct sk_buff *skb, struct bond_3ad_stats *stats); |
310 | size_t bond_3ad_stats_size(void); | |
1ef8019b | 311 | #endif /* _NET_BOND_3AD_H */ |
1da177e4 | 312 |