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Commit 2ea24f2e authored by Joe Perches's avatar Joe Perches Committed by David S. Miller
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bonding: Convert c99 comments 

Neatening only.
Signed-off-by: default avatarJoe Perches <joe@perches.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 90194264
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Showing with 87 additions and 88 deletions
drivers/net/bonding/bond_3ad.h
View file @ 2ea24f2e
......@@ -28,7 +28,7 @@
#include <linux/netdevice.h>
#include <linux/if_ether.h>
// General definitions
/* General definitions */
#define PKT_TYPE_LACPDU cpu_to_be16(ETH_P_SLOW)
#define AD_TIMER_INTERVAL 100 /*msec*/
......@@ -47,54 +47,54 @@ enum {
BOND_AD_COUNT = 2,
};
// rx machine states(43.4.11 in the 802.3ad standard)
/* rx machine states(43.4.11 in the 802.3ad standard) */
typedef enum {
AD_RX_DUMMY,
AD_RX_INITIALIZE, // rx Machine
AD_RX_PORT_DISABLED, // rx Machine
AD_RX_LACP_DISABLED, // rx Machine
AD_RX_EXPIRED, // rx Machine
AD_RX_DEFAULTED, // rx Machine
AD_RX_CURRENT // rx Machine
AD_RX_INITIALIZE, /* rx Machine */
AD_RX_PORT_DISABLED, /* rx Machine */
AD_RX_LACP_DISABLED, /* rx Machine */
AD_RX_EXPIRED, /* rx Machine */
AD_RX_DEFAULTED, /* rx Machine */
AD_RX_CURRENT /* rx Machine */
} rx_states_t;
// periodic machine states(43.4.12 in the 802.3ad standard)
/* periodic machine states(43.4.12 in the 802.3ad standard) */
typedef enum {
AD_PERIODIC_DUMMY,
AD_NO_PERIODIC, // periodic machine
AD_FAST_PERIODIC, // periodic machine
AD_SLOW_PERIODIC, // periodic machine
AD_PERIODIC_TX // periodic machine
AD_NO_PERIODIC, /* periodic machine */
AD_FAST_PERIODIC, /* periodic machine */
AD_SLOW_PERIODIC, /* periodic machine */
AD_PERIODIC_TX /* periodic machine */
} periodic_states_t;
// mux machine states(43.4.13 in the 802.3ad standard)
/* mux machine states(43.4.13 in the 802.3ad standard) */
typedef enum {
AD_MUX_DUMMY,
AD_MUX_DETACHED, // mux machine
AD_MUX_WAITING, // mux machine
AD_MUX_ATTACHED, // mux machine
AD_MUX_COLLECTING_DISTRIBUTING // mux machine
AD_MUX_DETACHED, /* mux machine */
AD_MUX_WAITING, /* mux machine */
AD_MUX_ATTACHED, /* mux machine */
AD_MUX_COLLECTING_DISTRIBUTING /* mux machine */
} mux_states_t;
// tx machine states(43.4.15 in the 802.3ad standard)
/* tx machine states(43.4.15 in the 802.3ad standard) */
typedef enum {
AD_TX_DUMMY,
AD_TRANSMIT // tx Machine
AD_TRANSMIT /* tx Machine */
} tx_states_t;
// rx indication types
/* rx indication types */
typedef enum {
AD_TYPE_LACPDU = 1, // type lacpdu
AD_TYPE_MARKER // type marker
AD_TYPE_LACPDU = 1, /* type lacpdu */
AD_TYPE_MARKER /* type marker */
} pdu_type_t;
// rx marker indication types
/* rx marker indication types */
typedef enum {
AD_MARKER_INFORMATION_SUBTYPE = 1, // marker imformation subtype
AD_MARKER_RESPONSE_SUBTYPE // marker response subtype
AD_MARKER_INFORMATION_SUBTYPE = 1, /* marker imformation subtype */
AD_MARKER_RESPONSE_SUBTYPE /* marker response subtype */
} bond_marker_subtype_t;
// timers types(43.4.9 in the 802.3ad standard)
/* timers types(43.4.9 in the 802.3ad standard) */
typedef enum {
AD_CURRENT_WHILE_TIMER,
AD_ACTOR_CHURN_TIMER,
......@@ -105,35 +105,35 @@ typedef enum {
#pragma pack(1)
// Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard)
/* Link Aggregation Control Protocol(LACP) data unit structure(43.4.2.2 in the 802.3ad standard) */
typedef struct lacpdu {
u8 subtype; // = LACP(= 0x01)
u8 subtype; /* = LACP(= 0x01) */
u8 version_number;
u8 tlv_type_actor_info; // = actor information(type/length/value)
u8 actor_information_length; // = 20
u8 tlv_type_actor_info; /* = actor information(type/length/value) */
u8 actor_information_length; /* = 20 */
__be16 actor_system_priority;
struct mac_addr actor_system;
__be16 actor_key;
__be16 actor_port_priority;
__be16 actor_port;
u8 actor_state;
u8 reserved_3_1[3]; // = 0
u8 tlv_type_partner_info; // = partner information
u8 partner_information_length; // = 20
u8 reserved_3_1[3]; /* = 0 */
u8 tlv_type_partner_info; /* = partner information */
u8 partner_information_length; /* = 20 */
__be16 partner_system_priority;
struct mac_addr partner_system;
__be16 partner_key;
__be16 partner_port_priority;
__be16 partner_port;
u8 partner_state;
u8 reserved_3_2[3]; // = 0
u8 tlv_type_collector_info; // = collector information
u8 collector_information_length; // = 16
u8 reserved_3_2[3]; /* = 0 */
u8 tlv_type_collector_info; /* = collector information */
u8 collector_information_length;/* = 16 */
__be16 collector_max_delay;
u8 reserved_12[12];
u8 tlv_type_terminator; // = terminator
u8 terminator_length; // = 0
u8 reserved_50[50]; // = 0
u8 tlv_type_terminator; /* = terminator */
u8 terminator_length; /* = 0 */
u8 reserved_50[50]; /* = 0 */
} __packed lacpdu_t;
typedef struct lacpdu_header {
......@@ -141,20 +141,20 @@ typedef struct lacpdu_header {
struct lacpdu lacpdu;
} __packed lacpdu_header_t;
// Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard)
/* Marker Protocol Data Unit(PDU) structure(43.5.3.2 in the 802.3ad standard) */
typedef struct bond_marker {
u8 subtype; // = 0x02 (marker PDU)
u8 version_number; // = 0x01
u8 tlv_type; // = 0x01 (marker information)
// = 0x02 (marker response information)
u8 marker_length; // = 0x16
u16 requester_port; // The number assigned to the port by the requester
struct mac_addr requester_system; // The requester's system id
u32 requester_transaction_id; // The transaction id allocated by the requester,
u16 pad; // = 0
u8 tlv_type_terminator; // = 0x00
u8 terminator_length; // = 0x00
u8 reserved_90[90]; // = 0
u8 subtype; /* = 0x02 (marker PDU) */
u8 version_number; /* = 0x01 */
u8 tlv_type; /* = 0x01 (marker information) */
/* = 0x02 (marker response information) */
u8 marker_length; /* = 0x16 */
u16 requester_port; /* The number assigned to the port by the requester */
struct mac_addr requester_system; /* The requester's system id */
u32 requester_transaction_id; /* The transaction id allocated by the requester, */
u16 pad; /* = 0 */
u8 tlv_type_terminator; /* = 0x00 */
u8 terminator_length; /* = 0x00 */
u8 reserved_90[90]; /* = 0 */
} __packed bond_marker_t;
typedef struct bond_marker_header {
......@@ -173,7 +173,7 @@ struct port;
#pragma pack(8)
#endif
// aggregator structure(43.4.5 in the 802.3ad standard)
/* aggregator structure(43.4.5 in the 802.3ad standard) */
typedef struct aggregator {
struct mac_addr aggregator_mac_address;
u16 aggregator_identifier;
......@@ -183,12 +183,12 @@ typedef struct aggregator {
struct mac_addr partner_system;
u16 partner_system_priority;
u16 partner_oper_aggregator_key;
u16 receive_state; // BOOLEAN
u16 transmit_state; // BOOLEAN
u16 receive_state; /* BOOLEAN */
u16 transmit_state; /* BOOLEAN */
struct port *lag_ports;
// ****** PRIVATE PARAMETERS ******
struct slave *slave; // pointer to the bond slave that this aggregator belongs to
u16 is_active; // BOOLEAN. Indicates if this aggregator is active
/* ****** PRIVATE PARAMETERS ****** */
struct slave *slave; /* pointer to the bond slave that this aggregator belongs to */
u16 is_active; /* BOOLEAN. Indicates if this aggregator is active */
u16 num_of_ports;
} aggregator_t;
......@@ -201,12 +201,12 @@ struct port_params {
u16 port_state;
};
// port structure(43.4.6 in the 802.3ad standard)
/* port structure(43.4.6 in the 802.3ad standard) */
typedef struct port {
u16 actor_port_number;
u16 actor_port_priority;
struct mac_addr actor_system; // This parameter is added here although it is not specified in the standard, just for simplification
u16 actor_system_priority; // This parameter is added here although it is not specified in the standard, just for simplification
struct mac_addr actor_system; /* This parameter is added here although it is not specified in the standard, just for simplification */
u16 actor_system_priority; /* This parameter is added here although it is not specified in the standard, just for simplification */
u16 actor_port_aggregator_identifier;
bool ntt;
u16 actor_admin_port_key;
......@@ -219,24 +219,24 @@ typedef struct port {
bool is_enabled;
// ****** PRIVATE PARAMETERS ******
u16 sm_vars; // all state machines variables for this port
rx_states_t sm_rx_state; // state machine rx state
u16 sm_rx_timer_counter; // state machine rx timer counter
periodic_states_t sm_periodic_state;// state machine periodic state
u16 sm_periodic_timer_counter; // state machine periodic timer counter
mux_states_t sm_mux_state; // state machine mux state
u16 sm_mux_timer_counter; // state machine mux timer counter
tx_states_t sm_tx_state; // state machine tx state
u16 sm_tx_timer_counter; // state machine tx timer counter(allways on - enter to transmit state 3 time per second)
struct slave *slave; // pointer to the bond slave that this port belongs to
struct aggregator *aggregator; // pointer to an aggregator that this port related to
struct port *next_port_in_aggregator; // Next port on the linked list of the parent aggregator
u32 transaction_id; // continuous number for identification of Marker PDU's;
struct lacpdu lacpdu; // the lacpdu that will be sent for this port
/* ****** PRIVATE PARAMETERS ****** */
u16 sm_vars; /* all state machines variables for this port */
rx_states_t sm_rx_state; /* state machine rx state */
u16 sm_rx_timer_counter; /* state machine rx timer counter */
periodic_states_t sm_periodic_state; /* state machine periodic state */
u16 sm_periodic_timer_counter; /* state machine periodic timer counter */
mux_states_t sm_mux_state; /* state machine mux state */
u16 sm_mux_timer_counter; /* state machine mux timer counter */
tx_states_t sm_tx_state; /* state machine tx state */
u16 sm_tx_timer_counter; /* state machine tx timer counter(allways on - enter to transmit state 3 time per second) */
struct slave *slave; /* pointer to the bond slave that this port belongs to */
struct aggregator *aggregator; /* pointer to an aggregator that this port related to */
struct port *next_port_in_aggregator; /* Next port on the linked list of the parent aggregator */
u32 transaction_id; /* continuous number for identification of Marker PDU's; */
struct lacpdu lacpdu; /* the lacpdu that will be sent for this port */
} port_t;
// system structure
/* system structure */
struct ad_system {
u16 sys_priority;
struct mac_addr sys_mac_addr;
......@@ -246,26 +246,25 @@ struct ad_system {
#pragma pack()
#endif
// ================= AD Exported structures to the main bonding code ==================
/* ========== AD Exported structures to the main bonding code ========== */
#define BOND_AD_INFO(bond) ((bond)->ad_info)
#define SLAVE_AD_INFO(slave) ((slave)->ad_info)
struct ad_bond_info {
struct ad_system system; /* 802.3ad system structure */
u32 agg_select_timer; // Timer to select aggregator after all adapter's hand shakes
struct ad_system system; /* 802.3ad system structure */
u32 agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */
};
struct ad_slave_info {
struct aggregator aggregator; // 802.3ad aggregator structure
struct port port; // 802.3ad port structure
spinlock_t state_machine_lock; /* mutex state machines vs.
incoming LACPDU */
struct aggregator aggregator; /* 802.3ad aggregator structure */
struct port port; /* 802.3ad port structure */
spinlock_t state_machine_lock; /* mutex state machines vs. incoming LACPDU */
u16 id;
};
// ================= AD Exported functions to the main bonding code ==================
/* ========== AD Exported functions to the main bonding code ========== */
void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution);
void bond_3ad_bind_slave(struct slave *slave);
void bond_3ad_bind_slave(struct slave *slave);
void bond_3ad_unbind_slave(struct slave *slave);
void bond_3ad_state_machine_handler(struct work_struct *);
void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout);
......@@ -280,5 +279,5 @@ int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
struct slave *slave);
int bond_3ad_set_carrier(struct bonding *bond);
void bond_3ad_update_lacp_rate(struct bonding *bond);
#endif //__BOND_3AD_H__
#endif /* __BOND_3AD_H__ */
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