1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* 1 /*
3 * Copyright(c) 1999 - 2004 Intel Corporation. 2 * Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
>> 3 *
>> 4 * This program is free software; you can redistribute it and/or modify it
>> 5 * under the terms of the GNU General Public License as published by the Free
>> 6 * Software Foundation; either version 2 of the License, or (at your option)
>> 7 * any later version.
>> 8 *
>> 9 * This program is distributed in the hope that it will be useful, but WITHOUT
>> 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
>> 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
>> 12 * more details.
>> 13 *
>> 14 * You should have received a copy of the GNU General Public License along with
>> 15 * this program; if not, write to the Free Software Foundation, Inc., 59
>> 16 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
>> 17 *
>> 18 * The full GNU General Public License is included in this distribution in the
>> 19 * file called LICENSE.
>> 20 *
4 */ 21 */
5 22
6 #ifndef _NET_BOND_3AD_H 23 #ifndef _NET_BOND_3AD_H
7 #define _NET_BOND_3AD_H 24 #define _NET_BOND_3AD_H
8 25
9 #include <asm/byteorder.h> 26 #include <asm/byteorder.h>
10 #include <linux/skbuff.h> 27 #include <linux/skbuff.h>
11 #include <linux/netdevice.h> 28 #include <linux/netdevice.h>
12 #include <linux/if_ether.h> 29 #include <linux/if_ether.h>
13 30
14 /* General definitions */ 31 /* General definitions */
15 #define PKT_TYPE_LACPDU cpu_to_be16(ET 32 #define PKT_TYPE_LACPDU cpu_to_be16(ETH_P_SLOW)
16 #define AD_TIMER_INTERVAL 100 /*msec*/ 33 #define AD_TIMER_INTERVAL 100 /*msec*/
17 34
>> 35 #define MULTICAST_LACPDU_ADDR {0x01, 0x80, 0xC2, 0x00, 0x00, 0x02}
>> 36
18 #define AD_LACP_SLOW 0 37 #define AD_LACP_SLOW 0
19 #define AD_LACP_FAST 1 38 #define AD_LACP_FAST 1
20 39
21 typedef struct mac_addr { 40 typedef struct mac_addr {
22 u8 mac_addr_value[ETH_ALEN]; 41 u8 mac_addr_value[ETH_ALEN];
23 } __packed mac_addr_t; 42 } __packed mac_addr_t;
24 43
25 enum { 44 enum {
26 BOND_AD_STABLE = 0, 45 BOND_AD_STABLE = 0,
27 BOND_AD_BANDWIDTH = 1, 46 BOND_AD_BANDWIDTH = 1,
28 BOND_AD_COUNT = 2, 47 BOND_AD_COUNT = 2,
29 }; 48 };
30 49
31 /* rx machine states(43.4.11 in the 802.3ad st 50 /* rx machine states(43.4.11 in the 802.3ad standard) */
32 typedef enum { 51 typedef enum {
33 AD_RX_DUMMY, 52 AD_RX_DUMMY,
34 AD_RX_INITIALIZE, /* rx Machine 53 AD_RX_INITIALIZE, /* rx Machine */
35 AD_RX_PORT_DISABLED, /* rx Machine 54 AD_RX_PORT_DISABLED, /* rx Machine */
36 AD_RX_LACP_DISABLED, /* rx Machine 55 AD_RX_LACP_DISABLED, /* rx Machine */
37 AD_RX_EXPIRED, /* rx Machine 56 AD_RX_EXPIRED, /* rx Machine */
38 AD_RX_DEFAULTED, /* rx Machine 57 AD_RX_DEFAULTED, /* rx Machine */
39 AD_RX_CURRENT /* rx Machine 58 AD_RX_CURRENT /* rx Machine */
40 } rx_states_t; 59 } rx_states_t;
41 60
42 /* periodic machine states(43.4.12 in the 802. 61 /* periodic machine states(43.4.12 in the 802.3ad standard) */
43 typedef enum { 62 typedef enum {
44 AD_PERIODIC_DUMMY, 63 AD_PERIODIC_DUMMY,
45 AD_NO_PERIODIC, /* periodic ma 64 AD_NO_PERIODIC, /* periodic machine */
46 AD_FAST_PERIODIC, /* periodic ma 65 AD_FAST_PERIODIC, /* periodic machine */
47 AD_SLOW_PERIODIC, /* periodic ma 66 AD_SLOW_PERIODIC, /* periodic machine */
48 AD_PERIODIC_TX /* periodic ma 67 AD_PERIODIC_TX /* periodic machine */
49 } periodic_states_t; 68 } periodic_states_t;
50 69
51 /* mux machine states(43.4.13 in the 802.3ad s 70 /* mux machine states(43.4.13 in the 802.3ad standard) */
52 typedef enum { 71 typedef enum {
53 AD_MUX_DUMMY, 72 AD_MUX_DUMMY,
54 AD_MUX_DETACHED, /* mux machine 73 AD_MUX_DETACHED, /* mux machine */
55 AD_MUX_WAITING, /* mux machine 74 AD_MUX_WAITING, /* mux machine */
56 AD_MUX_ATTACHED, /* mux machine 75 AD_MUX_ATTACHED, /* mux machine */
57 AD_MUX_COLLECTING, /* mux machine <<
58 AD_MUX_DISTRIBUTING, /* mux machine <<
59 AD_MUX_COLLECTING_DISTRIBUTING /* mux 76 AD_MUX_COLLECTING_DISTRIBUTING /* mux machine */
60 } mux_states_t; 77 } mux_states_t;
61 78
62 /* tx machine states(43.4.15 in the 802.3ad st 79 /* tx machine states(43.4.15 in the 802.3ad standard) */
63 typedef enum { 80 typedef enum {
64 AD_TX_DUMMY, 81 AD_TX_DUMMY,
65 AD_TRANSMIT /* tx Machine 82 AD_TRANSMIT /* tx Machine */
66 } tx_states_t; 83 } tx_states_t;
67 84
68 /* churn machine states(43.4.17 in the 802.3ad 85 /* churn machine states(43.4.17 in the 802.3ad standard) */
69 typedef enum { 86 typedef enum {
70 AD_CHURN_MONITOR, /* monitoring for c 87 AD_CHURN_MONITOR, /* monitoring for churn */
71 AD_CHURN, /* churn detected ( 88 AD_CHURN, /* churn detected (error) */
72 AD_NO_CHURN /* no churn (no err 89 AD_NO_CHURN /* no churn (no error) */
73 } churn_state_t; 90 } churn_state_t;
74 91
75 /* rx indication types */ 92 /* rx indication types */
76 typedef enum { 93 typedef enum {
77 AD_TYPE_LACPDU = 1, /* type lacpdu 94 AD_TYPE_LACPDU = 1, /* type lacpdu */
78 AD_TYPE_MARKER /* type marker 95 AD_TYPE_MARKER /* type marker */
79 } pdu_type_t; 96 } pdu_type_t;
80 97
81 /* rx marker indication types */ 98 /* rx marker indication types */
82 typedef enum { 99 typedef enum {
83 AD_MARKER_INFORMATION_SUBTYPE = 1, 100 AD_MARKER_INFORMATION_SUBTYPE = 1, /* marker imformation subtype */
84 AD_MARKER_RESPONSE_SUBTYPE 101 AD_MARKER_RESPONSE_SUBTYPE /* marker response subtype */
85 } bond_marker_subtype_t; 102 } bond_marker_subtype_t;
86 103
87 /* timers types(43.4.9 in the 802.3ad standard 104 /* timers types(43.4.9 in the 802.3ad standard) */
88 typedef enum { 105 typedef enum {
89 AD_CURRENT_WHILE_TIMER, 106 AD_CURRENT_WHILE_TIMER,
90 AD_ACTOR_CHURN_TIMER, 107 AD_ACTOR_CHURN_TIMER,
91 AD_PERIODIC_TIMER, 108 AD_PERIODIC_TIMER,
92 AD_PARTNER_CHURN_TIMER, 109 AD_PARTNER_CHURN_TIMER,
93 AD_WAIT_WHILE_TIMER 110 AD_WAIT_WHILE_TIMER
94 } ad_timers_t; 111 } ad_timers_t;
95 112
96 #pragma pack(1) 113 #pragma pack(1)
97 114
98 /* Link Aggregation Control Protocol(LACP) dat 115 /* Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard) */
99 typedef struct lacpdu { 116 typedef struct lacpdu {
100 u8 subtype; /* = LACP(= 0x 117 u8 subtype; /* = LACP(= 0x01) */
101 u8 version_number; 118 u8 version_number;
102 u8 tlv_type_actor_info; /* = actor inf 119 u8 tlv_type_actor_info; /* = actor information(type/length/value) */
103 u8 actor_information_length; /* = 2 120 u8 actor_information_length; /* = 20 */
104 __be16 actor_system_priority; 121 __be16 actor_system_priority;
105 struct mac_addr actor_system; 122 struct mac_addr actor_system;
106 __be16 actor_key; 123 __be16 actor_key;
107 __be16 actor_port_priority; 124 __be16 actor_port_priority;
108 __be16 actor_port; 125 __be16 actor_port;
109 u8 actor_state; 126 u8 actor_state;
110 u8 reserved_3_1[3]; /* = 0 127 u8 reserved_3_1[3]; /* = 0 */
111 u8 tlv_type_partner_info; /* = p 128 u8 tlv_type_partner_info; /* = partner information */
112 u8 partner_information_length; /* = 2 129 u8 partner_information_length; /* = 20 */
113 __be16 partner_system_priority; 130 __be16 partner_system_priority;
114 struct mac_addr partner_system; 131 struct mac_addr partner_system;
115 __be16 partner_key; 132 __be16 partner_key;
116 __be16 partner_port_priority; 133 __be16 partner_port_priority;
117 __be16 partner_port; 134 __be16 partner_port;
118 u8 partner_state; 135 u8 partner_state;
119 u8 reserved_3_2[3]; /* = 0 136 u8 reserved_3_2[3]; /* = 0 */
120 u8 tlv_type_collector_info; /* = c 137 u8 tlv_type_collector_info; /* = collector information */
121 u8 collector_information_length;/* = 1 138 u8 collector_information_length;/* = 16 */
122 __be16 collector_max_delay; 139 __be16 collector_max_delay;
123 u8 reserved_12[12]; 140 u8 reserved_12[12];
124 u8 tlv_type_terminator; /* = t 141 u8 tlv_type_terminator; /* = terminator */
125 u8 terminator_length; /* = 0 142 u8 terminator_length; /* = 0 */
126 u8 reserved_50[50]; /* = 0 143 u8 reserved_50[50]; /* = 0 */
127 } __packed lacpdu_t; 144 } __packed lacpdu_t;
128 145
129 typedef struct lacpdu_header { 146 typedef struct lacpdu_header {
130 struct ethhdr hdr; 147 struct ethhdr hdr;
131 struct lacpdu lacpdu; 148 struct lacpdu lacpdu;
132 } __packed lacpdu_header_t; 149 } __packed lacpdu_header_t;
133 150
134 /* Marker Protocol Data Unit(PDU) structure(43 151 /* Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard) */
135 typedef struct bond_marker { 152 typedef struct bond_marker {
136 u8 subtype; /* = 0x02 (ma 153 u8 subtype; /* = 0x02 (marker PDU) */
137 u8 version_number; /* = 0x01 */ 154 u8 version_number; /* = 0x01 */
138 u8 tlv_type; /* = 0x01 (ma 155 u8 tlv_type; /* = 0x01 (marker information) */
139 /* = 0x02 (marker response informatio 156 /* = 0x02 (marker response information) */
140 u8 marker_length; /* = 0x16 */ 157 u8 marker_length; /* = 0x16 */
141 u16 requester_port; /* The number 158 u16 requester_port; /* The number assigned to the port by the requester */
142 struct mac_addr requester_system; 159 struct mac_addr requester_system; /* The requester's system id */
143 u32 requester_transaction_id; 160 u32 requester_transaction_id; /* The transaction id allocated by the requester, */
144 u16 pad; /* = 0 */ 161 u16 pad; /* = 0 */
145 u8 tlv_type_terminator; /* = 0x00 */ 162 u8 tlv_type_terminator; /* = 0x00 */
146 u8 terminator_length; /* = 0x00 */ 163 u8 terminator_length; /* = 0x00 */
147 u8 reserved_90[90]; /* = 0 */ 164 u8 reserved_90[90]; /* = 0 */
148 } __packed bond_marker_t; 165 } __packed bond_marker_t;
149 166
150 typedef struct bond_marker_header { 167 typedef struct bond_marker_header {
151 struct ethhdr hdr; 168 struct ethhdr hdr;
152 struct bond_marker marker; 169 struct bond_marker marker;
153 } __packed bond_marker_header_t; 170 } __packed bond_marker_header_t;
154 171
155 #pragma pack() 172 #pragma pack()
156 173
157 struct slave; 174 struct slave;
158 struct bonding; 175 struct bonding;
159 struct ad_info; 176 struct ad_info;
160 struct port; 177 struct port;
161 178
162 #ifdef __ia64__ 179 #ifdef __ia64__
163 #pragma pack(8) 180 #pragma pack(8)
164 #endif 181 #endif
165 182
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 <<
179 /* aggregator structure(43.4.5 in the 802.3ad 183 /* aggregator structure(43.4.5 in the 802.3ad standard) */
180 typedef struct aggregator { 184 typedef struct aggregator {
181 struct mac_addr aggregator_mac_address 185 struct mac_addr aggregator_mac_address;
182 u16 aggregator_identifier; 186 u16 aggregator_identifier;
183 bool is_individual; 187 bool is_individual;
184 u16 actor_admin_aggregator_key; 188 u16 actor_admin_aggregator_key;
185 u16 actor_oper_aggregator_key; 189 u16 actor_oper_aggregator_key;
186 struct mac_addr partner_system; 190 struct mac_addr partner_system;
187 u16 partner_system_priority; 191 u16 partner_system_priority;
188 u16 partner_oper_aggregator_key; 192 u16 partner_oper_aggregator_key;
189 u16 receive_state; /* BOOLEAN */ 193 u16 receive_state; /* BOOLEAN */
190 u16 transmit_state; /* BOOLEAN */ 194 u16 transmit_state; /* BOOLEAN */
191 struct port *lag_ports; 195 struct port *lag_ports;
192 /* ****** PRIVATE PARAMETERS ****** */ 196 /* ****** PRIVATE PARAMETERS ****** */
193 struct slave *slave; /* pointer to 197 struct slave *slave; /* pointer to the bond slave that this aggregator belongs to */
194 u16 is_active; /* BOOLEAN. In 198 u16 is_active; /* BOOLEAN. Indicates if this aggregator is active */
195 u16 num_of_ports; 199 u16 num_of_ports;
196 } aggregator_t; 200 } aggregator_t;
197 201
198 struct port_params { 202 struct port_params {
199 struct mac_addr system; 203 struct mac_addr system;
200 u16 system_priority; 204 u16 system_priority;
201 u16 key; 205 u16 key;
202 u16 port_number; 206 u16 port_number;
203 u16 port_priority; 207 u16 port_priority;
204 u16 port_state; 208 u16 port_state;
205 }; 209 };
206 210
207 /* port structure(43.4.6 in the 802.3ad standa 211 /* port structure(43.4.6 in the 802.3ad standard) */
208 typedef struct port { 212 typedef struct port {
209 u16 actor_port_number; 213 u16 actor_port_number;
210 u16 actor_port_priority; 214 u16 actor_port_priority;
211 struct mac_addr actor_system; /* Thi 215 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; /* Thi 216 u16 actor_system_priority; /* This parameter is added here although it is not specified in the standard, just for simplification */
213 u16 actor_port_aggregator_identifier; 217 u16 actor_port_aggregator_identifier;
214 bool ntt; 218 bool ntt;
215 u16 actor_admin_port_key; 219 u16 actor_admin_port_key;
216 u16 actor_oper_port_key; 220 u16 actor_oper_port_key;
217 u8 actor_admin_port_state; 221 u8 actor_admin_port_state;
218 u8 actor_oper_port_state; 222 u8 actor_oper_port_state;
219 223
220 struct port_params partner_admin; 224 struct port_params partner_admin;
221 struct port_params partner_oper; 225 struct port_params partner_oper;
222 226
223 bool is_enabled; 227 bool is_enabled;
224 228
225 /* ****** PRIVATE PARAMETERS ****** */ 229 /* ****** PRIVATE PARAMETERS ****** */
226 u16 sm_vars; /* all state m 230 u16 sm_vars; /* all state machines variables for this port */
227 rx_states_t sm_rx_state; /* sta 231 rx_states_t sm_rx_state; /* state machine rx state */
228 u16 sm_rx_timer_counter; /* sta 232 u16 sm_rx_timer_counter; /* state machine rx timer counter */
229 periodic_states_t sm_periodic_state; 233 periodic_states_t sm_periodic_state; /* state machine periodic state */
230 u16 sm_periodic_timer_counter; /* sta 234 u16 sm_periodic_timer_counter; /* state machine periodic timer counter */
231 mux_states_t sm_mux_state; /* sta 235 mux_states_t sm_mux_state; /* state machine mux state */
232 u16 sm_mux_timer_counter; /* sta 236 u16 sm_mux_timer_counter; /* state machine mux timer counter */
233 tx_states_t sm_tx_state; /* sta 237 tx_states_t sm_tx_state; /* state machine tx state */
234 u16 sm_tx_timer_counter; /* sta !! 238 u16 sm_tx_timer_counter; /* state machine tx timer counter(allways on - enter to transmit state 3 time per second) */
235 * (al <<
236 * st <<
237 */ <<
238 u16 sm_churn_actor_timer_counter; 239 u16 sm_churn_actor_timer_counter;
239 u16 sm_churn_partner_timer_counter; 240 u16 sm_churn_partner_timer_counter;
240 u32 churn_actor_count; 241 u32 churn_actor_count;
241 u32 churn_partner_count; 242 u32 churn_partner_count;
242 churn_state_t sm_churn_actor_state; 243 churn_state_t sm_churn_actor_state;
243 churn_state_t sm_churn_partner_state; 244 churn_state_t sm_churn_partner_state;
244 struct slave *slave; /* poi 245 struct slave *slave; /* pointer to the bond slave that this port belongs to */
245 struct aggregator *aggregator; /* poi 246 struct aggregator *aggregator; /* pointer to an aggregator that this port related to */
246 struct port *next_port_in_aggregator; 247 struct port *next_port_in_aggregator; /* Next port on the linked list of the parent aggregator */
247 u32 transaction_id; /* con 248 u32 transaction_id; /* continuous number for identification of Marker PDU's; */
248 struct lacpdu lacpdu; /* the 249 struct lacpdu lacpdu; /* the lacpdu that will be sent for this port */
249 } port_t; 250 } port_t;
250 251
251 /* system structure */ 252 /* system structure */
252 struct ad_system { 253 struct ad_system {
253 u16 sys_priority; 254 u16 sys_priority;
254 struct mac_addr sys_mac_addr; 255 struct mac_addr sys_mac_addr;
255 }; 256 };
256 257
257 #ifdef __ia64__ 258 #ifdef __ia64__
258 #pragma pack() 259 #pragma pack()
259 #endif 260 #endif
260 261
261 /* ========== AD Exported structures to the ma 262 /* ========== AD Exported structures to the main bonding code ========== */
262 #define BOND_AD_INFO(bond) ((bond)->ad_info) 263 #define BOND_AD_INFO(bond) ((bond)->ad_info)
263 #define SLAVE_AD_INFO(slave) ((slave)->ad_info 264 #define SLAVE_AD_INFO(slave) ((slave)->ad_info)
264 265
265 struct ad_bond_info { 266 struct ad_bond_info {
266 struct ad_system system; /* 802 267 struct ad_system system; /* 802.3ad system structure */
267 struct bond_3ad_stats stats; !! 268 u32 agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */
268 atomic_t agg_select_timer; <<
269 u16 aggregator_identifier; 269 u16 aggregator_identifier;
270 }; 270 };
271 271
272 struct ad_slave_info { 272 struct ad_slave_info {
273 struct aggregator aggregator; /* 802 273 struct aggregator aggregator; /* 802.3ad aggregator structure */
274 struct port port; /* 802 274 struct port port; /* 802.3ad port structure */
275 struct bond_3ad_stats stats; <<
276 u16 id; 275 u16 id;
277 }; 276 };
278 277
279 static inline const char *bond_3ad_churn_desc( 278 static inline const char *bond_3ad_churn_desc(churn_state_t state)
280 { 279 {
281 static const char *const churn_descrip 280 static const char *const churn_description[] = {
282 "monitoring", 281 "monitoring",
283 "churned", 282 "churned",
284 "none", 283 "none",
285 "unknown" 284 "unknown"
286 }; 285 };
287 int max_size = ARRAY_SIZE(churn_descri !! 286 int max_size = sizeof(churn_description) / sizeof(churn_description[0]);
288 287
289 if (state >= max_size) 288 if (state >= max_size)
290 state = max_size - 1; 289 state = max_size - 1;
291 290
292 return churn_description[state]; 291 return churn_description[state];
293 } 292 }
294 293
295 /* ========== AD Exported functions to the mai 294 /* ========== AD Exported functions to the main bonding code ========== */
296 void bond_3ad_initialize(struct bonding *bond) !! 295 void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution);
297 void bond_3ad_bind_slave(struct slave *slave); 296 void bond_3ad_bind_slave(struct slave *slave);
298 void bond_3ad_unbind_slave(struct slave *slave 297 void bond_3ad_unbind_slave(struct slave *slave);
299 void bond_3ad_state_machine_handler(struct wor 298 void bond_3ad_state_machine_handler(struct work_struct *);
300 void bond_3ad_initiate_agg_selection(struct bo 299 void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout);
301 void bond_3ad_adapter_speed_duplex_changed(str 300 void bond_3ad_adapter_speed_duplex_changed(struct slave *slave);
302 void bond_3ad_handle_link_change(struct slave 301 void bond_3ad_handle_link_change(struct slave *slave, char link);
303 int bond_3ad_get_active_agg_info(struct bondi 302 int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info);
304 int __bond_3ad_get_active_agg_info(struct bon 303 int __bond_3ad_get_active_agg_info(struct bonding *bond,
305 struct ad_ 304 struct ad_info *ad_info);
306 int bond_3ad_lacpdu_recv(const struct sk_buff 305 int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
307 struct slave *slave); 306 struct slave *slave);
308 int bond_3ad_set_carrier(struct bonding *bond) 307 int bond_3ad_set_carrier(struct bonding *bond);
309 void bond_3ad_update_lacp_rate(struct bonding 308 void bond_3ad_update_lacp_rate(struct bonding *bond);
310 void bond_3ad_update_ad_actor_settings(struct 309 void bond_3ad_update_ad_actor_settings(struct bonding *bond);
311 int bond_3ad_stats_fill(struct sk_buff *skb, s <<
312 size_t bond_3ad_stats_size(void); <<
313 #endif /* _NET_BOND_3AD_H */ 310 #endif /* _NET_BOND_3AD_H */
314 311
315 312
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