150 lines
8.1 KiB
C
150 lines
8.1 KiB
C
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#pragma once
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#define CVY_MAX_CALLB_QUEUE_RETRIES 100 /* maximum number of times to
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attempt queueing miniport
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callback in Nic_sync_queue */
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#define CVY_MAX_ALLOCS 50 /* maximum number of allocations
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we can perform for packets
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and actions */
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#define CVY_MAX_SEND_PACKETS 50 /* maximum number of packets
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Prot_packets_send can send
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down at one time */
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#define CVY_MAX_PENDING_PACKETS 100 /* maximum number of packets that
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can be queued in a deserialized
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wlbs driver */
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/* Structure to hold the bi-directional affinity registry settings. */
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typedef struct _CVY_BDA {
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WCHAR team_id[CVY_MAX_BDA_TEAM_ID + 1]; /* The team ID - user-level support should enforce that it is a GUID. */
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ULONG active; /* Is this adapter part of a BDA team? */
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ULONG master; /* Boolean indication of master status (Slave=0). */
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ULONG reverse_hash; /* Sets direction of hashing - forward (normal) or reverse. */
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} CVY_BDA, PCVY_BDA;
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/* port group rule - keep it 64bit in size for encryption */
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typedef struct
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{
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ULONG start_port, /* starting port number */
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end_port; /* ending port number */
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ULONG virtual_ip_addr; /* Virtual clusters - the VIP to which the rule applies.
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All VIPs is represented by 0xffffffff. */
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ULONG code; /* unique rule code */
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ULONG mode; /* filtering mode */
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ULONG protocol; /* CVY_TCP, CVY_UDP or CVY_TCP_UDP */
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ULONG valid; /* for rule management in user mode */
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union
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{
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struct
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{
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ULONG priority; /* mastership priority: 1->N or 0 for
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not-specified */
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} single; /* data for single server mode */
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struct
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{
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USHORT equal_load; /* TRUE => even load distribution */
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USHORT affinity; /* TRUE - map all client connections to one server */
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ULONG load; /* percentage of load to handle locally */
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} multi; /* data for multi-server mode */
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} mode_data; /* data for appropriate port group mode */
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}
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CVY_RULE, * PCVY_RULE;
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/* host parameters */
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typedef struct
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{
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/* obtained from the registry */
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ULONG parms_ver; /* parameter structure version */
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ULONG effective_ver; /* what WLBS version we are effectively operating in. */
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ULONG host_priority; /* host's priority for single-server mastership */
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ULONG alive_period; /* period for sending "I am alive" messages
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in milliseconds */
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ULONG alive_tolerance; /* how many "I am alive" messages can be
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missed from other servers before assuming
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that the host is dead */
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ULONG num_actions; /* number of actions to allocate */
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ULONG num_packets; /* number of packets to allocate */
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ULONG num_send_msgs; /* number of send packets to allocate */
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ULONG install_date; /* install time stamp */
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ULONG rmt_password; /* remote maintenance password */
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ULONG rct_password; /* remote control password */
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ULONG rct_port; /* remote control UDP port */
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ULONG rct_enabled; /* TRUE - remote control enabled */
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ULONG num_rules; /* # active port group rules */
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ULONG cleanup_delay; /* dirty connection cleanup delay in
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milliseconds, 0 - delay */
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ULONG cluster_mode; /* TRUE - enabled on startup */
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ULONG dscr_per_alloc; /* number of connection tracking
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descriptor per allocation */
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ULONG max_dscr_allocs; /* maximum number of connection tracking
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descriptor allocations */
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ULONG scale_client; /* TRUE - load balance connections from a
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given client across cluster servers */
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ULONG nbt_support; /* TRUE - NBT cluster name support enabled */
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ULONG mcast_support; /* TRUE - enable multicast MAC address support
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for switched V1.3.0b */
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ULONG mcast_spoof; /* TRUE - if mcast_support is TRUE - enable
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TCP/IP spoofing so that remote hosts can
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resolve cluster IP address to multicast
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address via ARPs V1.3.0b */
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ULONG igmp_support; /* TRUE - if IGMP support is enabled */
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ULONG mask_src_mac; /* TRUE - spoof source MAC when sending
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frames in unicast mode to prevent
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switches from getting confused V 2.0.6 */
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ULONG netmon_alive; /* TRUE - pass heartbeat frames to the
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protocols */
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ULONG convert_mac; /* TRUE - automatically match MAC address
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to primary cluster IP address */
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ULONG ip_chg_delay; /* delay in milliseconds to block outgoing
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ARPs while IP address change is in
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process */
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CVY_BDA bda_teaming; /* the bi-directional affinity teaming config. */
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/* strings */
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WCHAR cl_mac_addr [CVY_MAX_NETWORK_ADDR + 1];
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/* cluster MAC address */
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WCHAR cl_ip_addr [CVY_MAX_CL_IP_ADDR + 1];
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/* cluster IP address */
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WCHAR cl_net_mask [CVY_MAX_CL_NET_MASK + 1];
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/* netmask for cluster IP address or "" for none */
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WCHAR ded_ip_addr [CVY_MAX_DED_IP_ADDR + 1];
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/* dedicated IP address or "" for none */
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WCHAR ded_net_mask [CVY_MAX_DED_NET_MASK + 1];
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/* netmask for dedicated IP address or "" for none */
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WCHAR domain_name [CVY_MAX_DOMAIN_NAME + 1];
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/* client's domain name */
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WCHAR cl_igmp_addr [CVY_MAX_CL_IGMP_ADDR + 1];
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/* dedicated IP address or "" for none */
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CVY_RULE port_rules[CVY_MAX_RULES - 1];
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/* port rules (account for internal default) */
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WCHAR hostname[CVY_MAX_HOST_NAME + 1];
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/* hostname.domain for this host if available. */
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}
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CVY_PARAMS, * PCVY_PARAMS;
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#define CVY_DRIVER_RULE_CODE_GET(rulep) ((rulep) -> code)
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#define CVY_DRIVER_RULE_CODE_SET(rulep) ((rulep) -> code = \
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((ULONG) (((rulep) -> start_port) << 0) | \
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(ULONG) (((rulep) -> end_port) << 12) | \
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(ULONG) (((rulep) -> protocol) << 24) | \
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(ULONG) (((rulep) -> mode) << 28) | \
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(ULONG) (((rulep) -> mode == CVY_MULTI ? (rulep) -> mode_data . multi . affinity : 0) << 30)) \
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^ ~((rulep) -> virtual_ip_addr))
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extern LONG Params_init (
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PVOID nlbctxt,
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PVOID reg_path,
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PVOID adapter_guid, /* GUID of the adapter for multiple nics*/
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PCVY_PARAMS paramp);
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