qeth_mpc.h

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/*
 * linux/drivers/s390/net/qeth_mpc.h
 *
 * Linux on zSeries OSA Express and HiperSockets support
 *
 * Copyright 2000,2003 IBM Corporation
 * Author(s): Utz Bacher <[e-mail]>
 *            Thomas Spatzier <[e-mail]>
 *            Frank Pavlic <[e-mail]>
 *
 */
#ifndef __QETH_MPC_H__
#define __QETH_MPC_H__

#include <asm/qeth.h>

#define IPA_PDU_HEADER_SIZE	0x40
#define QETH_IPA_PDU_LEN_TOTAL(buffer) (buffer+0x0e)
#define QETH_IPA_PDU_LEN_PDU1(buffer) (buffer+0x26)
#define QETH_IPA_PDU_LEN_PDU2(buffer) (buffer+0x29)
#define QETH_IPA_PDU_LEN_PDU3(buffer) (buffer+0x3a)

extern unsigned char IPA_PDU_HEADER[];
#define QETH_IPA_CMD_DEST_ADDR(buffer) (buffer+0x2c)

#define IPA_CMD_LENGTH	(IPA_PDU_HEADER_SIZE + sizeof(struct qeth_ipa_cmd))

#define QETH_SEQ_NO_LENGTH	4
#define QETH_MPC_TOKEN_LENGTH	4
#define QETH_MCL_LENGTH		4
#define OSA_ADDR_LEN		6

#define QETH_TIMEOUT		(10 * HZ)
#define QETH_IPA_TIMEOUT	(45 * HZ)
#define QETH_IDX_COMMAND_SEQNO	0xffff0000
#define SR_INFO_LEN		16

#define QETH_CLEAR_CHANNEL_PARM	-10
#define QETH_HALT_CHANNEL_PARM	-11
#define QETH_RCD_PARM -12

/*****************************************************************************/
/* IP Assist related definitions                                             */
/*****************************************************************************/
#define IPA_CMD_INITIATOR_HOST  0x00
#define IPA_CMD_INITIATOR_OSA   0x01
#define IPA_CMD_INITIATOR_HOST_REPLY  0x80
#define IPA_CMD_INITIATOR_OSA_REPLY   0x81
#define IPA_CMD_PRIM_VERSION_NO 0x01

enum qeth_card_types {
	QETH_CARD_TYPE_UNKNOWN = 0,
	QETH_CARD_TYPE_OSAE    = 10,
	QETH_CARD_TYPE_IQD     = 1234,
	QETH_CARD_TYPE_OSN     = 11,
};

#define QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE 0x18
/* only the first two bytes are looked at in qeth_get_cardname_short */
enum qeth_link_types {
	QETH_LINK_TYPE_FAST_ETH     = 0x01,
	QETH_LINK_TYPE_HSTR         = 0x02,
	QETH_LINK_TYPE_GBIT_ETH     = 0x03,
	QETH_LINK_TYPE_OSN          = 0x04,
	QETH_LINK_TYPE_10GBIT_ETH   = 0x10,
	QETH_LINK_TYPE_LANE_ETH100  = 0x81,
	QETH_LINK_TYPE_LANE_TR      = 0x82,
	QETH_LINK_TYPE_LANE_ETH1000 = 0x83,
	QETH_LINK_TYPE_LANE         = 0x88,
	QETH_LINK_TYPE_ATM_NATIVE   = 0x90,
};

enum qeth_tr_macaddr_modes {
	QETH_TR_MACADDR_NONCANONICAL = 0,
	QETH_TR_MACADDR_CANONICAL    = 1,
};

enum qeth_tr_broadcast_modes {
	QETH_TR_BROADCAST_ALLRINGS = 0,
	QETH_TR_BROADCAST_LOCAL    = 1,
};

/* these values match CHECKSUM_* in include/linux/skbuff.h */
enum qeth_checksum_types {
	SW_CHECKSUMMING = 0, /* TODO: set to bit flag used in IPA Command */
	HW_CHECKSUMMING = 1,
	NO_CHECKSUMMING = 2,
};
#define QETH_CHECKSUM_DEFAULT SW_CHECKSUMMING

/*
 * Routing stuff
 */
#define RESET_ROUTING_FLAG 0x10 /* indicate that routing type shall be set */
enum qeth_routing_types {
	NO_ROUTER		= 0, /* TODO: set to bit flag used in IPA Command */
	PRIMARY_ROUTER		= 1,
	SECONDARY_ROUTER	= 2,
	MULTICAST_ROUTER	= 3,
	PRIMARY_CONNECTOR	= 4,
	SECONDARY_CONNECTOR	= 5,
};

/* IPA Commands */
enum qeth_ipa_cmds {
	IPA_CMD_STARTLAN		= 0x01,
	IPA_CMD_STOPLAN			= 0x02,
	IPA_CMD_SETVMAC			= 0x21,
	IPA_CMD_DELVMAC			= 0x22,
	IPA_CMD_SETGMAC			= 0x23,
	IPA_CMD_DELGMAC			= 0x24,
	IPA_CMD_SETVLAN			= 0x25,
	IPA_CMD_DELVLAN			= 0x26,
	IPA_CMD_SETCCID			= 0x41,
	IPA_CMD_DELCCID			= 0x42,
	IPA_CMD_MODCCID			= 0x43,
	IPA_CMD_SETIP			= 0xb1,
	IPA_CMD_QIPASSIST		= 0xb2,
	IPA_CMD_SETASSPARMS		= 0xb3,
	IPA_CMD_SETIPM			= 0xb4,
	IPA_CMD_DELIPM			= 0xb5,
	IPA_CMD_SETRTG			= 0xb6,
	IPA_CMD_DELIP			= 0xb7,
	IPA_CMD_SETADAPTERPARMS		= 0xb8,
	IPA_CMD_SET_DIAG_ASS		= 0xb9,
	IPA_CMD_CREATE_ADDR		= 0xc3,
	IPA_CMD_DESTROY_ADDR		= 0xc4,
	IPA_CMD_REGISTER_LOCAL_ADDR	= 0xd1,
	IPA_CMD_UNREGISTER_LOCAL_ADDR	= 0xd2,
	IPA_CMD_UNKNOWN			= 0x00
};

enum qeth_ip_ass_cmds {
	IPA_CMD_ASS_START	= 0x0001,
	IPA_CMD_ASS_STOP	= 0x0002,
	IPA_CMD_ASS_CONFIGURE	= 0x0003,
	IPA_CMD_ASS_ENABLE	= 0x0004,
};

enum qeth_arp_process_subcmds {
	IPA_CMD_ASS_ARP_SET_NO_ENTRIES	= 0x0003,
	IPA_CMD_ASS_ARP_QUERY_CACHE	= 0x0004,
	IPA_CMD_ASS_ARP_ADD_ENTRY	= 0x0005,
	IPA_CMD_ASS_ARP_REMOVE_ENTRY	= 0x0006,
	IPA_CMD_ASS_ARP_FLUSH_CACHE	= 0x0007,
	IPA_CMD_ASS_ARP_QUERY_INFO	= 0x0104,
	IPA_CMD_ASS_ARP_QUERY_STATS	= 0x0204,
};


/* Return Codes for IPA Commands
 * according to OSA card Specs */

enum qeth_ipa_return_codes {
	IPA_RC_SUCCESS			= 0x0000,
	IPA_RC_NOTSUPP			= 0x0001,
	IPA_RC_IP_TABLE_FULL		= 0x0002,
	IPA_RC_UNKNOWN_ERROR		= 0x0003,
	IPA_RC_UNSUPPORTED_COMMAND	= 0x0004,
	IPA_RC_DUP_IPV6_REMOTE		= 0x0008,
	IPA_RC_DUP_IPV6_HOME		= 0x0010,
	IPA_RC_UNREGISTERED_ADDR	= 0x0011,
	IPA_RC_NO_ID_AVAILABLE		= 0x0012,
	IPA_RC_ID_NOT_FOUND		= 0x0013,
	IPA_RC_INVALID_IP_VERSION	= 0x0020,
	IPA_RC_LAN_FRAME_MISMATCH	= 0x0040,
	IPA_RC_L2_UNSUPPORTED_CMD	= 0x2003,
	IPA_RC_L2_DUP_MAC		= 0x2005,
	IPA_RC_L2_ADDR_TABLE_FULL	= 0x2006,
	IPA_RC_L2_DUP_LAYER3_MAC	= 0x200a,
	IPA_RC_L2_GMAC_NOT_FOUND	= 0x200b,
	IPA_RC_L2_MAC_NOT_FOUND		= 0x2010,
	IPA_RC_L2_INVALID_VLAN_ID	= 0x2015,
	IPA_RC_L2_DUP_VLAN_ID		= 0x2016,
	IPA_RC_L2_VLAN_ID_NOT_FOUND	= 0x2017,
	IPA_RC_DATA_MISMATCH		= 0xe001,
	IPA_RC_INVALID_MTU_SIZE		= 0xe002,
	IPA_RC_INVALID_LANTYPE		= 0xe003,
	IPA_RC_INVALID_LANNUM		= 0xe004,
	IPA_RC_DUPLICATE_IP_ADDRESS	= 0xe005,
	IPA_RC_IP_ADDR_TABLE_FULL	= 0xe006,
	IPA_RC_LAN_PORT_STATE_ERROR	= 0xe007,
	IPA_RC_SETIP_NO_STARTLAN	= 0xe008,
	IPA_RC_SETIP_ALREADY_RECEIVED	= 0xe009,
	IPA_RC_IP_ADDR_ALREADY_USED	= 0xe00a,
	IPA_RC_MULTICAST_FULL		= 0xe00b,
	IPA_RC_SETIP_INVALID_VERSION	= 0xe00d,
	IPA_RC_UNSUPPORTED_SUBCMD	= 0xe00e,
	IPA_RC_ARP_ASSIST_NO_ENABLE	= 0xe00f,
	IPA_RC_PRIMARY_ALREADY_DEFINED	= 0xe010,
	IPA_RC_SECOND_ALREADY_DEFINED	= 0xe011,
	IPA_RC_INVALID_SETRTG_INDICATOR	= 0xe012,
	IPA_RC_MC_ADDR_ALREADY_DEFINED	= 0xe013,
	IPA_RC_LAN_OFFLINE		= 0xe080,
	IPA_RC_INVALID_IP_VERSION2	= 0xf001,
	IPA_RC_FFFF			= 0xffff
};

/* IPA function flags; each flag marks availability of respective function */
enum qeth_ipa_funcs {
	IPA_ARP_PROCESSING      = 0x00000001L,
	IPA_INBOUND_CHECKSUM    = 0x00000002L,
	IPA_OUTBOUND_CHECKSUM   = 0x00000004L,
	IPA_IP_FRAGMENTATION    = 0x00000008L,
	IPA_FILTERING           = 0x00000010L,
	IPA_IPV6                = 0x00000020L,
	IPA_MULTICASTING        = 0x00000040L,
	IPA_IP_REASSEMBLY       = 0x00000080L,
	IPA_QUERY_ARP_COUNTERS  = 0x00000100L,
	IPA_QUERY_ARP_ADDR_INFO = 0x00000200L,
	IPA_SETADAPTERPARMS     = 0x00000400L,
	IPA_VLAN_PRIO           = 0x00000800L,
	IPA_PASSTHRU            = 0x00001000L,
	IPA_FLUSH_ARP_SUPPORT   = 0x00002000L,
	IPA_FULL_VLAN           = 0x00004000L,
	IPA_INBOUND_PASSTHRU    = 0x00008000L,
	IPA_SOURCE_MAC          = 0x00010000L,
	IPA_OSA_MC_ROUTER       = 0x00020000L,
	IPA_QUERY_ARP_ASSIST	= 0x00040000L,
	IPA_INBOUND_TSO         = 0x00080000L,
	IPA_OUTBOUND_TSO        = 0x00100000L,
};

/* SETIP/DELIP IPA Command: ***************************************************/
enum qeth_ipa_setdelip_flags {
	QETH_IPA_SETDELIP_DEFAULT          = 0x00L, /* default */
	QETH_IPA_SETIP_VIPA_FLAG           = 0x01L, /* no grat. ARP */
	QETH_IPA_SETIP_TAKEOVER_FLAG       = 0x02L, /* nofail on grat. ARP */
	QETH_IPA_DELIP_ADDR_2_B_TAKEN_OVER = 0x20L,
	QETH_IPA_DELIP_VIPA_FLAG           = 0x40L,
	QETH_IPA_DELIP_ADDR_NEEDS_SETIP    = 0x80L,
};

/* SETADAPTER IPA Command: ****************************************************/
enum qeth_ipa_setadp_cmd {
	IPA_SETADP_QUERY_COMMANDS_SUPPORTED	= 0x01,
	IPA_SETADP_ALTER_MAC_ADDRESS		= 0x02,
	IPA_SETADP_ADD_DELETE_GROUP_ADDRESS	= 0x04,
	IPA_SETADP_ADD_DELETE_FUNCTIONAL_ADDR	= 0x08,
	IPA_SETADP_SET_ADDRESSING_MODE		= 0x10,
	IPA_SETADP_SET_CONFIG_PARMS		= 0x20,
	IPA_SETADP_SET_CONFIG_PARMS_EXTENDED	= 0x40,
	IPA_SETADP_SET_BROADCAST_MODE		= 0x80,
	IPA_SETADP_SEND_OSA_MESSAGE		= 0x0100,
	IPA_SETADP_SET_SNMP_CONTROL		= 0x0200,
	IPA_SETADP_QUERY_CARD_INFO		= 0x0400,
	IPA_SETADP_SET_PROMISC_MODE		= 0x0800,
};
enum qeth_ipa_mac_ops {
	CHANGE_ADDR_READ_MAC		= 0,
	CHANGE_ADDR_REPLACE_MAC		= 1,
	CHANGE_ADDR_ADD_MAC		= 2,
	CHANGE_ADDR_DEL_MAC		= 4,
	CHANGE_ADDR_RESET_MAC		= 8,
};
enum qeth_ipa_addr_ops {
	CHANGE_ADDR_READ_ADDR		= 0,
	CHANGE_ADDR_ADD_ADDR		= 1,
	CHANGE_ADDR_DEL_ADDR		= 2,
	CHANGE_ADDR_FLUSH_ADDR_TABLE	= 4,
};
enum qeth_ipa_promisc_modes {
	SET_PROMISC_MODE_OFF		= 0,
	SET_PROMISC_MODE_ON		= 1,
};

/* (SET)DELIP(M) IPA stuff ***************************************************/
struct qeth_ipacmd_setdelip4 {
	__u8   ip_addr[4];
	__u8   mask[4];
	__u32  flags;
} __attribute__ ((packed));

struct qeth_ipacmd_setdelip6 {
	__u8   ip_addr[16];
	__u8   mask[16];
	__u32  flags;
} __attribute__ ((packed));

struct qeth_ipacmd_setdelipm {
	__u8 mac[6];
	__u8 padding[2];
	__u8 ip6[12];
	__u8 ip4[4];
} __attribute__ ((packed));

struct qeth_ipacmd_layer2setdelmac {
	__u32 mac_length;
	__u8 mac[6];
} __attribute__ ((packed));

struct qeth_ipacmd_layer2setdelvlan {