diff options
Diffstat (limited to 'drivers/net/bonding/bond_3ad.h')
-rw-r--r-- | drivers/net/bonding/bond_3ad.h | 175 |
1 files changed, 87 insertions, 88 deletions
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index f4dd9592ac62..bb03b1df2f3e 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h | |||
@@ -28,7 +28,7 @@ | |||
28 | #include <linux/netdevice.h> | 28 | #include <linux/netdevice.h> |
29 | #include <linux/if_ether.h> | 29 | #include <linux/if_ether.h> |
30 | 30 | ||
31 | // General definitions | 31 | /* General definitions */ |
32 | #define PKT_TYPE_LACPDU cpu_to_be16(ETH_P_SLOW) | 32 | #define PKT_TYPE_LACPDU cpu_to_be16(ETH_P_SLOW) |
33 | #define AD_TIMER_INTERVAL 100 /*msec*/ | 33 | #define AD_TIMER_INTERVAL 100 /*msec*/ |
34 | 34 | ||
@@ -47,54 +47,54 @@ enum { | |||
47 | BOND_AD_COUNT = 2, | 47 | BOND_AD_COUNT = 2, |
48 | }; | 48 | }; |
49 | 49 | ||
50 | // rx machine states(43.4.11 in the 802.3ad standard) | 50 | /* rx machine states(43.4.11 in the 802.3ad standard) */ |
51 | typedef enum { | 51 | typedef enum { |
52 | AD_RX_DUMMY, | 52 | AD_RX_DUMMY, |
53 | AD_RX_INITIALIZE, // rx Machine | 53 | AD_RX_INITIALIZE, /* rx Machine */ |
54 | AD_RX_PORT_DISABLED, // rx Machine | 54 | AD_RX_PORT_DISABLED, /* rx Machine */ |
55 | AD_RX_LACP_DISABLED, // rx Machine | 55 | AD_RX_LACP_DISABLED, /* rx Machine */ |
56 | AD_RX_EXPIRED, // rx Machine | 56 | AD_RX_EXPIRED, /* rx Machine */ |
57 | AD_RX_DEFAULTED, // rx Machine | 57 | AD_RX_DEFAULTED, /* rx Machine */ |
58 | AD_RX_CURRENT // rx Machine | 58 | AD_RX_CURRENT /* rx Machine */ |
59 | } rx_states_t; | 59 | } rx_states_t; |
60 | 60 | ||
61 | // periodic machine states(43.4.12 in the 802.3ad standard) | 61 | /* periodic machine states(43.4.12 in the 802.3ad standard) */ |
62 | typedef enum { | 62 | typedef enum { |
63 | AD_PERIODIC_DUMMY, | 63 | AD_PERIODIC_DUMMY, |
64 | AD_NO_PERIODIC, // periodic machine | 64 | AD_NO_PERIODIC, /* periodic machine */ |
65 | AD_FAST_PERIODIC, // periodic machine | 65 | AD_FAST_PERIODIC, /* periodic machine */ |
66 | AD_SLOW_PERIODIC, // periodic machine | 66 | AD_SLOW_PERIODIC, /* periodic machine */ |
67 | AD_PERIODIC_TX // periodic machine | 67 | AD_PERIODIC_TX /* periodic machine */ |
68 | } periodic_states_t; | 68 | } periodic_states_t; |
69 | 69 | ||
70 | // mux machine states(43.4.13 in the 802.3ad standard) | 70 | /* mux machine states(43.4.13 in the 802.3ad standard) */ |
71 | typedef enum { | 71 | typedef enum { |
72 | AD_MUX_DUMMY, | 72 | AD_MUX_DUMMY, |
73 | AD_MUX_DETACHED, // mux machine | 73 | AD_MUX_DETACHED, /* mux machine */ |
74 | AD_MUX_WAITING, // mux machine | 74 | AD_MUX_WAITING, /* mux machine */ |
75 | AD_MUX_ATTACHED, // mux machine | 75 | AD_MUX_ATTACHED, /* mux machine */ |
76 | AD_MUX_COLLECTING_DISTRIBUTING // mux machine | 76 | AD_MUX_COLLECTING_DISTRIBUTING /* mux machine */ |
77 | } mux_states_t; | 77 | } mux_states_t; |
78 | 78 | ||
79 | // tx machine states(43.4.15 in the 802.3ad standard) | 79 | /* tx machine states(43.4.15 in the 802.3ad standard) */ |
80 | typedef enum { | 80 | typedef enum { |
81 | AD_TX_DUMMY, | 81 | AD_TX_DUMMY, |
82 | AD_TRANSMIT // tx Machine | 82 | AD_TRANSMIT /* tx Machine */ |
83 | } tx_states_t; | 83 | } tx_states_t; |
84 | 84 | ||
85 | // rx indication types | 85 | /* rx indication types */ |
86 | typedef enum { | 86 | typedef enum { |
87 | AD_TYPE_LACPDU = 1, // type lacpdu | 87 | AD_TYPE_LACPDU = 1, /* type lacpdu */ |
88 | AD_TYPE_MARKER // type marker | 88 | AD_TYPE_MARKER /* type marker */ |
89 | } pdu_type_t; | 89 | } pdu_type_t; |
90 | 90 | ||
91 | // rx marker indication types | 91 | /* rx marker indication types */ |
92 | typedef enum { | 92 | typedef enum { |
93 | AD_MARKER_INFORMATION_SUBTYPE = 1, // marker imformation subtype | 93 | AD_MARKER_INFORMATION_SUBTYPE = 1, /* marker imformation subtype */ |
94 | AD_MARKER_RESPONSE_SUBTYPE // marker response subtype | 94 | AD_MARKER_RESPONSE_SUBTYPE /* marker response subtype */ |
95 | } bond_marker_subtype_t; | 95 | } bond_marker_subtype_t; |
96 | 96 | ||
97 | // timers types(43.4.9 in the 802.3ad standard) | 97 | /* timers types(43.4.9 in the 802.3ad standard) */ |
98 | typedef enum { | 98 | typedef enum { |
99 | AD_CURRENT_WHILE_TIMER, | 99 | AD_CURRENT_WHILE_TIMER, |
100 | AD_ACTOR_CHURN_TIMER, | 100 | AD_ACTOR_CHURN_TIMER, |
@@ -105,35 +105,35 @@ typedef enum { | |||
105 | 105 | ||
106 | #pragma pack(1) | 106 | #pragma pack(1) |
107 | 107 | ||
108 | // Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard) | 108 | /* Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard) */ |
109 | typedef struct lacpdu { | 109 | typedef struct lacpdu { |
110 | u8 subtype; // = LACP(= 0x01) | 110 | u8 subtype; /* = LACP(= 0x01) */ |
111 | u8 version_number; | 111 | u8 version_number; |
112 | u8 tlv_type_actor_info; // = actor information(type/length/value) | 112 | u8 tlv_type_actor_info; /* = actor information(type/length/value) */ |
113 | u8 actor_information_length; // = 20 | 113 | u8 actor_information_length; /* = 20 */ |
114 | __be16 actor_system_priority; | 114 | __be16 actor_system_priority; |
115 | struct mac_addr actor_system; | 115 | struct mac_addr actor_system; |
116 | __be16 actor_key; | 116 | __be16 actor_key; |
117 | __be16 actor_port_priority; | 117 | __be16 actor_port_priority; |
118 | __be16 actor_port; | 118 | __be16 actor_port; |
119 | u8 actor_state; | 119 | u8 actor_state; |
120 | u8 reserved_3_1[3]; // = 0 | 120 | u8 reserved_3_1[3]; /* = 0 */ |
121 | u8 tlv_type_partner_info; // = partner information | 121 | u8 tlv_type_partner_info; /* = partner information */ |
122 | u8 partner_information_length; // = 20 | 122 | u8 partner_information_length; /* = 20 */ |
123 | __be16 partner_system_priority; | 123 | __be16 partner_system_priority; |
124 | struct mac_addr partner_system; | 124 | struct mac_addr partner_system; |
125 | __be16 partner_key; | 125 | __be16 partner_key; |
126 | __be16 partner_port_priority; | 126 | __be16 partner_port_priority; |
127 | __be16 partner_port; | 127 | __be16 partner_port; |
128 | u8 partner_state; | 128 | u8 partner_state; |
129 | u8 reserved_3_2[3]; // = 0 | 129 | u8 reserved_3_2[3]; /* = 0 */ |
130 | u8 tlv_type_collector_info; // = collector information | 130 | u8 tlv_type_collector_info; /* = collector information */ |
131 | u8 collector_information_length; // = 16 | 131 | u8 collector_information_length;/* = 16 */ |
132 | __be16 collector_max_delay; | 132 | __be16 collector_max_delay; |
133 | u8 reserved_12[12]; | 133 | u8 reserved_12[12]; |
134 | u8 tlv_type_terminator; // = terminator | 134 | u8 tlv_type_terminator; /* = terminator */ |
135 | u8 terminator_length; // = 0 | 135 | u8 terminator_length; /* = 0 */ |
136 | u8 reserved_50[50]; // = 0 | 136 | u8 reserved_50[50]; /* = 0 */ |
137 | } __packed lacpdu_t; | 137 | } __packed lacpdu_t; |
138 | 138 | ||
139 | typedef struct lacpdu_header { | 139 | typedef struct lacpdu_header { |
@@ -141,20 +141,20 @@ typedef struct lacpdu_header { | |||
141 | struct lacpdu lacpdu; | 141 | struct lacpdu lacpdu; |
142 | } __packed lacpdu_header_t; | 142 | } __packed lacpdu_header_t; |
143 | 143 | ||
144 | // Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard) | 144 | /* Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard) */ |
145 | typedef struct bond_marker { | 145 | typedef struct bond_marker { |
146 | u8 subtype; // = 0x02 (marker PDU) | 146 | u8 subtype; /* = 0x02 (marker PDU) */ |
147 | u8 version_number; // = 0x01 | 147 | u8 version_number; /* = 0x01 */ |
148 | u8 tlv_type; // = 0x01 (marker information) | 148 | u8 tlv_type; /* = 0x01 (marker information) */ |
149 | // = 0x02 (marker response information) | 149 | /* = 0x02 (marker response information) */ |
150 | u8 marker_length; // = 0x16 | 150 | u8 marker_length; /* = 0x16 */ |
151 | u16 requester_port; // The number assigned to the port by the requester | 151 | u16 requester_port; /* The number assigned to the port by the requester */ |
152 | struct mac_addr requester_system; // The requester's system id | 152 | struct mac_addr requester_system; /* The requester's system id */ |
153 | u32 requester_transaction_id; // The transaction id allocated by the requester, | 153 | u32 requester_transaction_id; /* The transaction id allocated by the requester, */ |
154 | u16 pad; // = 0 | 154 | u16 pad; /* = 0 */ |
155 | u8 tlv_type_terminator; // = 0x00 | 155 | u8 tlv_type_terminator; /* = 0x00 */ |
156 | u8 terminator_length; // = 0x00 | 156 | u8 terminator_length; /* = 0x00 */ |
157 | u8 reserved_90[90]; // = 0 | 157 | u8 reserved_90[90]; /* = 0 */ |
158 | } __packed bond_marker_t; | 158 | } __packed bond_marker_t; |
159 | 159 | ||
160 | typedef struct bond_marker_header { | 160 | typedef struct bond_marker_header { |
@@ -173,7 +173,7 @@ struct port; | |||
173 | #pragma pack(8) | 173 | #pragma pack(8) |
174 | #endif | 174 | #endif |
175 | 175 | ||
176 | // aggregator structure(43.4.5 in the 802.3ad standard) | 176 | /* aggregator structure(43.4.5 in the 802.3ad standard) */ |
177 | typedef struct aggregator { | 177 | typedef struct aggregator { |
178 | struct mac_addr aggregator_mac_address; | 178 | struct mac_addr aggregator_mac_address; |
179 | u16 aggregator_identifier; | 179 | u16 aggregator_identifier; |
@@ -183,12 +183,12 @@ typedef struct aggregator { | |||
183 | struct mac_addr partner_system; | 183 | struct mac_addr partner_system; |
184 | u16 partner_system_priority; | 184 | u16 partner_system_priority; |
185 | u16 partner_oper_aggregator_key; | 185 | u16 partner_oper_aggregator_key; |
186 | u16 receive_state; // BOOLEAN | 186 | u16 receive_state; /* BOOLEAN */ |
187 | u16 transmit_state; // BOOLEAN | 187 | u16 transmit_state; /* BOOLEAN */ |
188 | struct port *lag_ports; | 188 | struct port *lag_ports; |
189 | // ****** PRIVATE PARAMETERS ****** | 189 | /* ****** PRIVATE PARAMETERS ****** */ |
190 | struct slave *slave; // pointer to the bond slave that this aggregator belongs to | 190 | struct slave *slave; /* pointer to the bond slave that this aggregator belongs to */ |
191 | u16 is_active; // BOOLEAN. Indicates if this aggregator is active | 191 | u16 is_active; /* BOOLEAN. Indicates if this aggregator is active */ |
192 | u16 num_of_ports; | 192 | u16 num_of_ports; |
193 | } aggregator_t; | 193 | } aggregator_t; |
194 | 194 | ||
@@ -201,12 +201,12 @@ struct port_params { | |||
201 | u16 port_state; | 201 | u16 port_state; |
202 | }; | 202 | }; |
203 | 203 | ||
204 | // port structure(43.4.6 in the 802.3ad standard) | 204 | /* port structure(43.4.6 in the 802.3ad standard) */ |
205 | typedef struct port { | 205 | typedef struct port { |
206 | u16 actor_port_number; | 206 | u16 actor_port_number; |
207 | u16 actor_port_priority; | 207 | u16 actor_port_priority; |
208 | struct mac_addr actor_system; // This parameter is added here although it is not specified in the standard, just for simplification | 208 | struct mac_addr actor_system; /* This parameter is added here although it is not specified in the standard, just for simplification */ |
209 | u16 actor_system_priority; // This parameter is added here although it is not specified in the standard, just for simplification | 209 | u16 actor_system_priority; /* This parameter is added here although it is not specified in the standard, just for simplification */ |
210 | u16 actor_port_aggregator_identifier; | 210 | u16 actor_port_aggregator_identifier; |
211 | bool ntt; | 211 | bool ntt; |
212 | u16 actor_admin_port_key; | 212 | u16 actor_admin_port_key; |
@@ -219,24 +219,24 @@ typedef struct port { | |||
219 | 219 | ||
220 | bool is_enabled; | 220 | bool is_enabled; |
221 | 221 | ||
222 | // ****** PRIVATE PARAMETERS ****** | 222 | /* ****** PRIVATE PARAMETERS ****** */ |
223 | u16 sm_vars; // all state machines variables for this port | 223 | u16 sm_vars; /* all state machines variables for this port */ |
224 | rx_states_t sm_rx_state; // state machine rx state | 224 | rx_states_t sm_rx_state; /* state machine rx state */ |
225 | u16 sm_rx_timer_counter; // state machine rx timer counter | 225 | u16 sm_rx_timer_counter; /* state machine rx timer counter */ |
226 | periodic_states_t sm_periodic_state;// state machine periodic state | 226 | periodic_states_t sm_periodic_state; /* state machine periodic state */ |
227 | u16 sm_periodic_timer_counter; // state machine periodic timer counter | 227 | u16 sm_periodic_timer_counter; /* state machine periodic timer counter */ |
228 | mux_states_t sm_mux_state; // state machine mux state | 228 | mux_states_t sm_mux_state; /* state machine mux state */ |
229 | u16 sm_mux_timer_counter; // state machine mux timer counter | 229 | u16 sm_mux_timer_counter; /* state machine mux timer counter */ |
230 | tx_states_t sm_tx_state; // state machine tx state | 230 | tx_states_t sm_tx_state; /* state machine tx state */ |
231 | u16 sm_tx_timer_counter; // state machine tx timer counter(allways on - enter to transmit state 3 time per second) | 231 | u16 sm_tx_timer_counter; /* state machine tx timer counter(allways on - enter to transmit state 3 time per second) */ |
232 | struct slave *slave; // pointer to the bond slave that this port belongs to | 232 | struct slave *slave; /* pointer to the bond slave that this port belongs to */ |
233 | struct aggregator *aggregator; // pointer to an aggregator that this port related to | 233 | struct aggregator *aggregator; /* pointer to an aggregator that this port related to */ |
234 | struct port *next_port_in_aggregator; // Next port on the linked list of the parent aggregator | 234 | struct port *next_port_in_aggregator; /* Next port on the linked list of the parent aggregator */ |
235 | u32 transaction_id; // continuous number for identification of Marker PDU's; | 235 | u32 transaction_id; /* continuous number for identification of Marker PDU's; */ |
236 | struct lacpdu lacpdu; // the lacpdu that will be sent for this port | 236 | struct lacpdu lacpdu; /* the lacpdu that will be sent for this port */ |
237 | } port_t; | 237 | } port_t; |
238 | 238 | ||
239 | // system structure | 239 | /* system structure */ |
240 | struct ad_system { | 240 | struct ad_system { |
241 | u16 sys_priority; | 241 | u16 sys_priority; |
242 | struct mac_addr sys_mac_addr; | 242 | struct mac_addr sys_mac_addr; |
@@ -246,27 +246,26 @@ struct ad_system { | |||
246 | #pragma pack() | 246 | #pragma pack() |
247 | #endif | 247 | #endif |
248 | 248 | ||
249 | // ================= AD Exported structures to the main bonding code ================== | 249 | /* ========== AD Exported structures to the main bonding code ========== */ |
250 | #define BOND_AD_INFO(bond) ((bond)->ad_info) | 250 | #define BOND_AD_INFO(bond) ((bond)->ad_info) |
251 | #define SLAVE_AD_INFO(slave) ((slave)->ad_info) | 251 | #define SLAVE_AD_INFO(slave) ((slave)->ad_info) |
252 | 252 | ||
253 | struct ad_bond_info { | 253 | struct ad_bond_info { |
254 | struct ad_system system; /* 802.3ad system structure */ | 254 | struct ad_system system; /* 802.3ad system structure */ |
255 | u32 agg_select_timer; // Timer to select aggregator after all adapter's hand shakes | 255 | u32 agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */ |
256 | u16 aggregator_identifier; | 256 | u16 aggregator_identifier; |
257 | }; | 257 | }; |
258 | 258 | ||
259 | struct ad_slave_info { | 259 | struct ad_slave_info { |
260 | struct aggregator aggregator; // 802.3ad aggregator structure | 260 | struct aggregator aggregator; /* 802.3ad aggregator structure */ |
261 | struct port port; // 802.3ad port structure | 261 | struct port port; /* 802.3ad port structure */ |
262 | spinlock_t state_machine_lock; /* mutex state machines vs. | 262 | spinlock_t state_machine_lock; /* mutex state machines vs. incoming LACPDU */ |
263 | incoming LACPDU */ | ||
264 | u16 id; | 263 | u16 id; |
265 | }; | 264 | }; |
266 | 265 | ||
267 | // ================= AD Exported functions to the main bonding code ================== | 266 | /* ========== AD Exported functions to the main bonding code ========== */ |
268 | void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution); | 267 | void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution); |
269 | void bond_3ad_bind_slave(struct slave *slave); | 268 | void bond_3ad_bind_slave(struct slave *slave); |
270 | void bond_3ad_unbind_slave(struct slave *slave); | 269 | void bond_3ad_unbind_slave(struct slave *slave); |
271 | void bond_3ad_state_machine_handler(struct work_struct *); | 270 | void bond_3ad_state_machine_handler(struct work_struct *); |
272 | void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout); | 271 | void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout); |
@@ -281,5 +280,5 @@ int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond, | |||
281 | struct slave *slave); | 280 | struct slave *slave); |
282 | int bond_3ad_set_carrier(struct bonding *bond); | 281 | int bond_3ad_set_carrier(struct bonding *bond); |
283 | void bond_3ad_update_lacp_rate(struct bonding *bond); | 282 | void bond_3ad_update_lacp_rate(struct bonding *bond); |
284 | #endif //__BOND_3AD_H__ | 283 | #endif /* __BOND_3AD_H__ */ |
285 | 284 | ||