X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fs390%2Fnet%2Fqeth_core.h;fp=kernel%2Fdrivers%2Fs390%2Fnet%2Fqeth_core.h;h=3abac028899f10d97d448122ce7696050f36dfe0;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/drivers/s390/net/qeth_core.h b/kernel/drivers/s390/net/qeth_core.h new file mode 100644 index 000000000..3abac0288 --- /dev/null +++ b/kernel/drivers/s390/net/qeth_core.h @@ -0,0 +1,978 @@ +/* + * Copyright IBM Corp. 2007 + * Author(s): Utz Bacher , + * Frank Pavlic , + * Thomas Spatzier , + * Frank Blaschka + */ + +#ifndef __QETH_CORE_H__ +#define __QETH_CORE_H__ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "qeth_core_mpc.h" + +/** + * Debug Facility stuff + */ +enum qeth_dbf_names { + QETH_DBF_SETUP, + QETH_DBF_MSG, + QETH_DBF_CTRL, + QETH_DBF_INFOS /* must be last element */ +}; + +struct qeth_dbf_info { + char name[DEBUG_MAX_NAME_LEN]; + int pages; + int areas; + int len; + int level; + struct debug_view *view; + debug_info_t *id; +}; + +#define QETH_DBF_CTRL_LEN 256 + +#define QETH_DBF_TEXT(name, level, text) \ + debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) + +#define QETH_DBF_HEX(name, level, addr, len) \ + debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) + +#define QETH_DBF_MESSAGE(level, text...) \ + debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) + +#define QETH_DBF_TEXT_(name, level, text...) \ + qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) + +#define QETH_CARD_TEXT(card, level, text) \ + debug_text_event(card->debug, level, text) + +#define QETH_CARD_HEX(card, level, addr, len) \ + debug_event(card->debug, level, (void *)(addr), len) + +#define QETH_CARD_MESSAGE(card, text...) \ + debug_sprintf_event(card->debug, level, text) + +#define QETH_CARD_TEXT_(card, level, text...) \ + qeth_dbf_longtext(card->debug, level, text) + +#define SENSE_COMMAND_REJECT_BYTE 0 +#define SENSE_COMMAND_REJECT_FLAG 0x80 +#define SENSE_RESETTING_EVENT_BYTE 1 +#define SENSE_RESETTING_EVENT_FLAG 0x80 + +/* + * Common IO related definitions + */ +#define CARD_RDEV(card) card->read.ccwdev +#define CARD_WDEV(card) card->write.ccwdev +#define CARD_DDEV(card) card->data.ccwdev +#define CARD_BUS_ID(card) dev_name(&card->gdev->dev) +#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) +#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) +#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) +#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) + +/** + * card stuff + */ +struct qeth_perf_stats { + unsigned int bufs_rec; + unsigned int bufs_sent; + + unsigned int skbs_sent_pack; + unsigned int bufs_sent_pack; + + unsigned int sc_dp_p; + unsigned int sc_p_dp; + /* qdio_cq_handler: number of times called, time spent in */ + __u64 cq_start_time; + unsigned int cq_cnt; + unsigned int cq_time; + /* qdio_input_handler: number of times called, time spent in */ + __u64 inbound_start_time; + unsigned int inbound_cnt; + unsigned int inbound_time; + /* qeth_send_packet: number of times called, time spent in */ + __u64 outbound_start_time; + unsigned int outbound_cnt; + unsigned int outbound_time; + /* qdio_output_handler: number of times called, time spent in */ + __u64 outbound_handler_start_time; + unsigned int outbound_handler_cnt; + unsigned int outbound_handler_time; + /* number of calls to and time spent in do_QDIO for inbound queue */ + __u64 inbound_do_qdio_start_time; + unsigned int inbound_do_qdio_cnt; + unsigned int inbound_do_qdio_time; + /* number of calls to and time spent in do_QDIO for outbound queues */ + __u64 outbound_do_qdio_start_time; + unsigned int outbound_do_qdio_cnt; + unsigned int outbound_do_qdio_time; + unsigned int large_send_bytes; + unsigned int large_send_cnt; + unsigned int sg_skbs_sent; + unsigned int sg_frags_sent; + /* initial values when measuring starts */ + unsigned long initial_rx_packets; + unsigned long initial_tx_packets; + /* inbound scatter gather data */ + unsigned int sg_skbs_rx; + unsigned int sg_frags_rx; + unsigned int sg_alloc_page_rx; + unsigned int tx_csum; + unsigned int tx_lin; +}; + +/* Routing stuff */ +struct qeth_routing_info { + enum qeth_routing_types type; +}; + +/* IPA stuff */ +struct qeth_ipa_info { + __u32 supported_funcs; + __u32 enabled_funcs; +}; + +/* SETBRIDGEPORT stuff */ +enum qeth_sbp_roles { + QETH_SBP_ROLE_NONE = 0, + QETH_SBP_ROLE_PRIMARY = 1, + QETH_SBP_ROLE_SECONDARY = 2, +}; + +enum qeth_sbp_states { + QETH_SBP_STATE_INACTIVE = 0, + QETH_SBP_STATE_STANDBY = 1, + QETH_SBP_STATE_ACTIVE = 2, +}; + +#define QETH_SBP_HOST_NOTIFICATION 1 + +struct qeth_sbp_info { + __u32 supported_funcs; + enum qeth_sbp_roles role; + __u32 hostnotification:1; +}; + +static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, + enum qeth_ipa_funcs func) +{ + return (ipa->supported_funcs & func); +} + +static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, + enum qeth_ipa_funcs func) +{ + return (ipa->supported_funcs & ipa->enabled_funcs & func); +} + +#define qeth_adp_supported(c, f) \ + qeth_is_ipa_supported(&c->options.adp, f) +#define qeth_adp_enabled(c, f) \ + qeth_is_ipa_enabled(&c->options.adp, f) +#define qeth_is_supported(c, f) \ + qeth_is_ipa_supported(&c->options.ipa4, f) +#define qeth_is_enabled(c, f) \ + qeth_is_ipa_enabled(&c->options.ipa4, f) +#define qeth_is_supported6(c, f) \ + qeth_is_ipa_supported(&c->options.ipa6, f) +#define qeth_is_enabled6(c, f) \ + qeth_is_ipa_enabled(&c->options.ipa6, f) +#define qeth_is_ipafunc_supported(c, prot, f) \ + ((prot == QETH_PROT_IPV6) ? \ + qeth_is_supported6(c, f) : qeth_is_supported(c, f)) +#define qeth_is_ipafunc_enabled(c, prot, f) \ + ((prot == QETH_PROT_IPV6) ? \ + qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) + +#define QETH_IDX_FUNC_LEVEL_OSD 0x0101 +#define QETH_IDX_FUNC_LEVEL_IQD 0x4108 + +#define QETH_MODELLIST_ARRAY \ + {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ + {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ + {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ + {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ + {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ + {0, 0, 0, 0, 0, 0} } +#define QETH_CU_TYPE_IND 0 +#define QETH_CU_MODEL_IND 1 +#define QETH_DEV_TYPE_IND 2 +#define QETH_DEV_MODEL_IND 3 +#define QETH_QUEUE_NO_IND 4 +#define QETH_MULTICAST_IND 5 + +#define QETH_REAL_CARD 1 +#define QETH_VLAN_CARD 2 +#define QETH_BUFSIZE 4096 + +/** + * some more defs + */ +#define QETH_TX_TIMEOUT 100 * HZ +#define QETH_RCD_TIMEOUT 60 * HZ +#define QETH_RECLAIM_WORK_TIME HZ +#define QETH_HEADER_SIZE 32 +#define QETH_MAX_PORTNO 15 + +/*IPv6 address autoconfiguration stuff*/ +#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe +#define UNIQUE_ID_NOT_BY_CARD 0x10000 + +/*****************************************************************************/ +/* QDIO queue and buffer handling */ +/*****************************************************************************/ +#define QETH_MAX_QUEUES 4 +#define QETH_IN_BUF_SIZE_DEFAULT 65536 +#define QETH_IN_BUF_COUNT_DEFAULT 64 +#define QETH_IN_BUF_COUNT_HSDEFAULT 128 +#define QETH_IN_BUF_COUNT_MIN 8 +#define QETH_IN_BUF_COUNT_MAX 128 +#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) +#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ + ((card)->qdio.in_buf_pool.buf_count / 2) + +/* buffers we have to be behind before we get a PCI */ +#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) +/*enqueued free buffers left before we get a PCI*/ +#define QETH_PCI_THRESHOLD_B(card) 0 +/*not used unless the microcode gets patched*/ +#define QETH_PCI_TIMER_VALUE(card) 3 + +/* priority queing */ +#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING +#define QETH_DEFAULT_QUEUE 2 +#define QETH_NO_PRIO_QUEUEING 0 +#define QETH_PRIO_Q_ING_PREC 1 +#define QETH_PRIO_Q_ING_TOS 2 +#define QETH_PRIO_Q_ING_SKB 3 +#define QETH_PRIO_Q_ING_VLAN 4 + +/* Packing */ +#define QETH_LOW_WATERMARK_PACK 2 +#define QETH_HIGH_WATERMARK_PACK 5 +#define QETH_WATERMARK_PACK_FUZZ 1 + +#define QETH_IP_HEADER_SIZE 40 + +/* large receive scatter gather copy break */ +#define QETH_RX_SG_CB (PAGE_SIZE >> 1) +#define QETH_RX_PULL_LEN 256 + +struct qeth_hdr_layer3 { + __u8 id; + __u8 flags; + __u16 inbound_checksum; /*TSO:__u16 seqno */ + __u32 token; /*TSO: __u32 reserved */ + __u16 length; + __u8 vlan_prio; + __u8 ext_flags; + __u16 vlan_id; + __u16 frame_offset; + __u8 dest_addr[16]; +} __attribute__ ((packed)); + +struct qeth_hdr_layer2 { + __u8 id; + __u8 flags[3]; + __u8 port_no; + __u8 hdr_length; + __u16 pkt_length; + __u16 seq_no; + __u16 vlan_id; + __u32 reserved; + __u8 reserved2[16]; +} __attribute__ ((packed)); + +struct qeth_hdr_osn { + __u8 id; + __u8 reserved; + __u16 seq_no; + __u16 reserved2; + __u16 control_flags; + __u16 pdu_length; + __u8 reserved3[18]; + __u32 ccid; +} __attribute__ ((packed)); + +struct qeth_hdr { + union { + struct qeth_hdr_layer2 l2; + struct qeth_hdr_layer3 l3; + struct qeth_hdr_osn osn; + } hdr; +} __attribute__ ((packed)); + +/*TCP Segmentation Offload header*/ +struct qeth_hdr_ext_tso { + __u16 hdr_tot_len; + __u8 imb_hdr_no; + __u8 reserved; + __u8 hdr_type; + __u8 hdr_version; + __u16 hdr_len; + __u32 payload_len; + __u16 mss; + __u16 dg_hdr_len; + __u8 padding[16]; +} __attribute__ ((packed)); + +struct qeth_hdr_tso { + struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ + struct qeth_hdr_ext_tso ext; +} __attribute__ ((packed)); + + +/* flags for qeth_hdr.flags */ +#define QETH_HDR_PASSTHRU 0x10 +#define QETH_HDR_IPV6 0x80 +#define QETH_HDR_CAST_MASK 0x07 +enum qeth_cast_flags { + QETH_CAST_UNICAST = 0x06, + QETH_CAST_MULTICAST = 0x04, + QETH_CAST_BROADCAST = 0x05, + QETH_CAST_ANYCAST = 0x07, + QETH_CAST_NOCAST = 0x00, +}; + +enum qeth_layer2_frame_flags { + QETH_LAYER2_FLAG_MULTICAST = 0x01, + QETH_LAYER2_FLAG_BROADCAST = 0x02, + QETH_LAYER2_FLAG_UNICAST = 0x04, + QETH_LAYER2_FLAG_VLAN = 0x10, +}; + +enum qeth_header_ids { + QETH_HEADER_TYPE_LAYER3 = 0x01, + QETH_HEADER_TYPE_LAYER2 = 0x02, + QETH_HEADER_TYPE_TSO = 0x03, + QETH_HEADER_TYPE_OSN = 0x04, +}; +/* flags for qeth_hdr.ext_flags */ +#define QETH_HDR_EXT_VLAN_FRAME 0x01 +#define QETH_HDR_EXT_TOKEN_ID 0x02 +#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 +#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 +#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 +#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 +#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ + +enum qeth_qdio_buffer_states { + /* + * inbound: read out by driver; owned by hardware in order to be filled + * outbound: owned by driver in order to be filled + */ + QETH_QDIO_BUF_EMPTY, + /* + * inbound: filled by hardware; owned by driver in order to be read out + * outbound: filled by driver; owned by hardware in order to be sent + */ + QETH_QDIO_BUF_PRIMED, + /* + * inbound: not applicable + * outbound: identified to be pending in TPQ + */ + QETH_QDIO_BUF_PENDING, + /* + * inbound: not applicable + * outbound: found in completion queue + */ + QETH_QDIO_BUF_IN_CQ, + /* + * inbound: not applicable + * outbound: handled via transfer pending / completion queue + */ + QETH_QDIO_BUF_HANDLED_DELAYED, +}; + +enum qeth_qdio_info_states { + QETH_QDIO_UNINITIALIZED, + QETH_QDIO_ALLOCATED, + QETH_QDIO_ESTABLISHED, + QETH_QDIO_CLEANING +}; + +struct qeth_buffer_pool_entry { + struct list_head list; + struct list_head init_list; + void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; +}; + +struct qeth_qdio_buffer_pool { + struct list_head entry_list; + int buf_count; +}; + +struct qeth_qdio_buffer { + struct qdio_buffer *buffer; + /* the buffer pool entry currently associated to this buffer */ + struct qeth_buffer_pool_entry *pool_entry; + struct sk_buff *rx_skb; +}; + +struct qeth_qdio_q { + struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; + struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; + int next_buf_to_init; +}; + +struct qeth_qdio_out_buffer { + struct qdio_buffer *buffer; + atomic_t state; + int next_element_to_fill; + struct sk_buff_head skb_list; + int is_header[16]; + + struct qaob *aob; + struct qeth_qdio_out_q *q; + struct qeth_qdio_out_buffer *next_pending; +}; + +struct qeth_card; + +enum qeth_out_q_states { + QETH_OUT_Q_UNLOCKED, + QETH_OUT_Q_LOCKED, + QETH_OUT_Q_LOCKED_FLUSH, +}; + +struct qeth_qdio_out_q { + struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; + struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; + struct qdio_outbuf_state *bufstates; /* convenience pointer */ + int queue_no; + struct qeth_card *card; + atomic_t state; + int do_pack; + /* + * index of buffer to be filled by driver; state EMPTY or PACKING + */ + int next_buf_to_fill; + /* + * number of buffers that are currently filled (PRIMED) + * -> these buffers are hardware-owned + */ + atomic_t used_buffers; + /* indicates whether PCI flag must be set (or if one is outstanding) */ + atomic_t set_pci_flags_count; +}; + +struct qeth_qdio_info { + atomic_t state; + /* input */ + int no_in_queues; + struct qeth_qdio_q *in_q; + struct qeth_qdio_q *c_q; + struct qeth_qdio_buffer_pool in_buf_pool; + struct qeth_qdio_buffer_pool init_pool; + int in_buf_size; + + /* output */ + int no_out_queues; + struct qeth_qdio_out_q **out_qs; + struct qdio_outbuf_state *out_bufstates; + + /* priority queueing */ + int do_prio_queueing; + int default_out_queue; +}; + +enum qeth_send_errors { + QETH_SEND_ERROR_NONE, + QETH_SEND_ERROR_LINK_FAILURE, + QETH_SEND_ERROR_RETRY, + QETH_SEND_ERROR_KICK_IT, +}; + +#define QETH_ETH_MAC_V4 0x0100 /* like v4 */ +#define QETH_ETH_MAC_V6 0x3333 /* like v6 */ +/* tr mc mac is longer, but that will be enough to detect mc frames */ +#define QETH_TR_MAC_NC 0xc000 /* non-canonical */ +#define QETH_TR_MAC_C 0x0300 /* canonical */ + +#define DEFAULT_ADD_HHLEN 0 +#define MAX_ADD_HHLEN 1024 + +/** + * buffer stuff for read channel + */ +#define QETH_CMD_BUFFER_NO 8 + +/** + * channel state machine + */ +enum qeth_channel_states { + CH_STATE_UP, + CH_STATE_DOWN, + CH_STATE_ACTIVATING, + CH_STATE_HALTED, + CH_STATE_STOPPED, + CH_STATE_RCD, + CH_STATE_RCD_DONE, +}; +/** + * card state machine + */ +enum qeth_card_states { + CARD_STATE_DOWN, + CARD_STATE_HARDSETUP, + CARD_STATE_SOFTSETUP, + CARD_STATE_UP, + CARD_STATE_RECOVER, +}; + +/** + * Protocol versions + */ +enum qeth_prot_versions { + QETH_PROT_IPV4 = 0x0004, + QETH_PROT_IPV6 = 0x0006, +}; + +enum qeth_ip_types { + QETH_IP_TYPE_NORMAL, + QETH_IP_TYPE_VIPA, + QETH_IP_TYPE_RXIP, + QETH_IP_TYPE_DEL_ALL_MC, +}; + +enum qeth_cmd_buffer_state { + BUF_STATE_FREE, + BUF_STATE_LOCKED, + BUF_STATE_PROCESSED, +}; + +enum qeth_cq { + QETH_CQ_DISABLED = 0, + QETH_CQ_ENABLED = 1, + QETH_CQ_NOTAVAILABLE = 2, +}; + +struct qeth_ipato { + int enabled; + int invert4; + int invert6; + struct list_head entries; +}; + +struct qeth_channel; + +struct qeth_cmd_buffer { + enum qeth_cmd_buffer_state state; + struct qeth_channel *channel; + unsigned char *data; + int rc; + void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); +}; + +/** + * definition of a qeth channel, used for read and write + */ +struct qeth_channel { + enum qeth_channel_states state; + struct ccw1 ccw; + spinlock_t iob_lock; + wait_queue_head_t wait_q; + struct ccw_device *ccwdev; +/*command buffer for control data*/ + struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; + atomic_t irq_pending; + int io_buf_no; + int buf_no; +}; + +/** + * OSA card related definitions + */ +struct qeth_token { + __u32 issuer_rm_w; + __u32 issuer_rm_r; + __u32 cm_filter_w; + __u32 cm_filter_r; + __u32 cm_connection_w; + __u32 cm_connection_r; + __u32 ulp_filter_w; + __u32 ulp_filter_r; + __u32 ulp_connection_w; + __u32 ulp_connection_r; +}; + +struct qeth_seqno { + __u32 trans_hdr; + __u32 pdu_hdr; + __u32 pdu_hdr_ack; + __u16 ipa; + __u32 pkt_seqno; +}; + +struct qeth_reply { + struct list_head list; + wait_queue_head_t wait_q; + int (*callback)(struct qeth_card *, struct qeth_reply *, + unsigned long); + u32 seqno; + unsigned long offset; + atomic_t received; + int rc; + void *param; + struct qeth_card *card; + atomic_t refcnt; +}; + + +struct qeth_card_blkt { + int time_total; + int inter_packet; + int inter_packet_jumbo; +}; + +#define QETH_BROADCAST_WITH_ECHO 0x01 +#define QETH_BROADCAST_WITHOUT_ECHO 0x02 +#define QETH_LAYER2_MAC_READ 0x01 +#define QETH_LAYER2_MAC_REGISTERED 0x02 +struct qeth_card_info { + unsigned short unit_addr2; + unsigned short cula; + unsigned short chpid; + __u16 func_level; + char mcl_level[QETH_MCL_LENGTH + 1]; + int guestlan; + int mac_bits; + int portname_required; + int portno; + char portname[9]; + enum qeth_card_types type; + enum qeth_link_types link_type; + int is_multicast_different; + int initial_mtu; + int max_mtu; + int broadcast_capable; + int unique_id; + struct qeth_card_blkt blkt; + __u32 csum_mask; + __u32 tx_csum_mask; + enum qeth_ipa_promisc_modes promisc_mode; + __u32 diagass_support; + __u32 hwtrap; +}; + +struct qeth_card_options { + struct qeth_routing_info route4; + struct qeth_ipa_info ipa4; + struct qeth_ipa_info adp; /*Adapter parameters*/ + struct qeth_routing_info route6; + struct qeth_ipa_info ipa6; + struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ + int fake_broadcast; + int add_hhlen; + int layer2; + int performance_stats; + int rx_sg_cb; + enum qeth_ipa_isolation_modes isolation; + enum qeth_ipa_isolation_modes prev_isolation; + int sniffer; + enum qeth_cq cq; + char hsuid[9]; +}; + +/* + * thread bits for qeth_card thread masks + */ +enum qeth_threads { + QETH_RECOVER_THREAD = 1, +}; + +struct qeth_osn_info { + int (*assist_cb)(struct net_device *dev, void *data); + int (*data_cb)(struct sk_buff *skb); +}; + +enum qeth_discipline_id { + QETH_DISCIPLINE_LAYER3 = 0, + QETH_DISCIPLINE_LAYER2 = 1, +}; + +struct qeth_discipline { + void (*start_poll)(struct ccw_device *, int, unsigned long); + qdio_handler_t *input_handler; + qdio_handler_t *output_handler; + int (*recover)(void *ptr); + int (*setup) (struct ccwgroup_device *); + void (*remove) (struct ccwgroup_device *); + int (*set_online) (struct ccwgroup_device *); + int (*set_offline) (struct ccwgroup_device *); + void (*shutdown)(struct ccwgroup_device *); + int (*prepare) (struct ccwgroup_device *); + void (*complete) (struct ccwgroup_device *); + int (*freeze)(struct ccwgroup_device *); + int (*thaw) (struct ccwgroup_device *); + int (*restore)(struct ccwgroup_device *); + int (*control_event_handler)(struct qeth_card *card, + struct qeth_ipa_cmd *cmd); +}; + +struct qeth_vlan_vid { + struct list_head list; + unsigned short vid; +}; + +struct qeth_mc_mac { + struct list_head list; + __u8 mc_addr[MAX_ADDR_LEN]; + unsigned char mc_addrlen; + int is_vmac; +}; + +struct qeth_rx { + int b_count; + int b_index; + struct qdio_buffer_element *b_element; + int e_offset; + int qdio_err; +}; + +struct carrier_info { + __u8 card_type; + __u16 port_mode; + __u32 port_speed; +}; + +struct qeth_switch_info { + __u32 capabilities; + __u32 settings; +}; + +#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT + +struct qeth_card { + struct list_head list; + enum qeth_card_states state; + int lan_online; + spinlock_t lock; + struct ccwgroup_device *gdev; + struct qeth_channel read; + struct qeth_channel write; + struct qeth_channel data; + + struct net_device *dev; + struct net_device_stats stats; + + struct qeth_card_info info; + struct qeth_token token; + struct qeth_seqno seqno; + struct qeth_card_options options; + + wait_queue_head_t wait_q; + spinlock_t vlanlock; + spinlock_t mclock; + unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; + struct list_head vid_list; + struct list_head mc_list; + struct work_struct kernel_thread_starter; + spinlock_t thread_mask_lock; + unsigned long thread_start_mask; + unsigned long thread_allowed_mask; + unsigned long thread_running_mask; + struct task_struct *recovery_task; + spinlock_t ip_lock; + struct list_head ip_list; + struct list_head *ip_tbd_list; + struct qeth_ipato ipato; + struct list_head cmd_waiter_list; + /* QDIO buffer handling */ + struct qeth_qdio_info qdio; + struct qeth_perf_stats perf_stats; + int read_or_write_problem; + struct qeth_osn_info osn_info; + struct qeth_discipline *discipline; + atomic_t force_alloc_skb; + struct service_level qeth_service_level; + struct qdio_ssqd_desc ssqd; + debug_info_t *debug; + struct mutex conf_mutex; + struct mutex discipline_mutex; + struct napi_struct napi; + struct qeth_rx rx; + struct delayed_work buffer_reclaim_work; + int reclaim_index; + struct work_struct close_dev_work; +}; + +struct qeth_card_list_struct { + struct list_head list; + rwlock_t rwlock; +}; + +struct qeth_trap_id { + __u16 lparnr; + char vmname[8]; + __u8 chpid; + __u8 ssid; + __u16 devno; +} __packed; + +/*some helper functions*/ +#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") + +static inline int qeth_get_micros(void) +{ + return (int) (get_tod_clock() >> 12); +} + +static inline int qeth_get_ip_version(struct sk_buff *skb) +{ + __be16 *p = &((struct ethhdr *)skb->data)->h_proto; + + if (*p == ETH_P_8021Q) + p += 2; + switch (*p) { + case ETH_P_IPV6: + return 6; + case ETH_P_IP: + return 4; + default: + return 0; + } +} + +static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, + struct qeth_buffer_pool_entry *entry) +{ + list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); +} + +static inline int qeth_is_diagass_supported(struct qeth_card *card, + enum qeth_diags_cmds cmd) +{ + return card->info.diagass_support & (__u32)cmd; +} + +extern struct qeth_discipline qeth_l2_discipline; +extern struct qeth_discipline qeth_l3_discipline; +extern const struct attribute_group *qeth_generic_attr_groups[]; +extern const struct attribute_group *qeth_osn_attr_groups[]; +extern struct workqueue_struct *qeth_wq; + +int qeth_card_hw_is_reachable(struct qeth_card *); +const char *qeth_get_cardname_short(struct qeth_card *); +int qeth_realloc_buffer_pool(struct qeth_card *, int); +int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); +void qeth_core_free_discipline(struct qeth_card *); + +/* exports for qeth discipline device drivers */ +extern struct qeth_card_list_struct qeth_core_card_list; +extern struct kmem_cache *qeth_core_header_cache; +extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; + +void qeth_set_recovery_task(struct qeth_card *); +void qeth_clear_recovery_task(struct qeth_card *); +void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); +int qeth_threads_running(struct qeth_card *, unsigned long); +int qeth_wait_for_threads(struct qeth_card *, unsigned long); +int qeth_do_run_thread(struct qeth_card *, unsigned long); +void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); +void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); +int qeth_core_hardsetup_card(struct qeth_card *); +void qeth_print_status_message(struct qeth_card *); +int qeth_init_qdio_queues(struct qeth_card *); +int qeth_send_startlan(struct qeth_card *); +int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, + int (*reply_cb) + (struct qeth_card *, struct qeth_reply *, unsigned long), + void *); +struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, + enum qeth_ipa_cmds, enum qeth_prot_versions); +int qeth_query_setadapterparms(struct qeth_card *); +int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, + unsigned int, const char *); +void qeth_queue_input_buffer(struct qeth_card *, int); +struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, + struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, + struct qeth_hdr **); +void qeth_schedule_recovery(struct qeth_card *); +void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); +void qeth_qdio_input_handler(struct ccw_device *, + unsigned int, unsigned int, int, + int, unsigned long); +void qeth_qdio_output_handler(struct ccw_device *, unsigned int, + int, int, int, unsigned long); +void qeth_clear_ipacmd_list(struct qeth_card *); +int qeth_qdio_clear_card(struct qeth_card *, int); +void qeth_clear_working_pool_list(struct qeth_card *); +void qeth_clear_cmd_buffers(struct qeth_channel *); +void qeth_clear_qdio_buffers(struct qeth_card *); +void qeth_setadp_promisc_mode(struct qeth_card *); +struct net_device_stats *qeth_get_stats(struct net_device *); +int qeth_change_mtu(struct net_device *, int); +int qeth_setadpparms_change_macaddr(struct qeth_card *); +void qeth_tx_timeout(struct net_device *); +void qeth_prepare_control_data(struct qeth_card *, int, + struct qeth_cmd_buffer *); +void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); +void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); +struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); +int qeth_mdio_read(struct net_device *, int, int); +int qeth_snmp_command(struct qeth_card *, char __user *); +int qeth_query_oat_command(struct qeth_card *, char __user *); +int qeth_query_switch_attributes(struct qeth_card *card, + struct qeth_switch_info *sw_info); +int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, + int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), + void *reply_param); +int qeth_bridgeport_query_ports(struct qeth_card *card, + enum qeth_sbp_roles *role, enum qeth_sbp_states *state); +int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); +int qeth_bridgeport_an_set(struct qeth_card *card, int enable); +int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); +int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); +int qeth_get_elements_for_frags(struct sk_buff *); +int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, + struct sk_buff *, struct qeth_hdr *, int, int, int); +int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, + struct sk_buff *, struct qeth_hdr *, int); +int qeth_core_get_sset_count(struct net_device *, int); +void qeth_core_get_ethtool_stats(struct net_device *, + struct ethtool_stats *, u64 *); +void qeth_core_get_strings(struct net_device *, u32, u8 *); +void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); +void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); +int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); +int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); +int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); +int qeth_configure_cq(struct qeth_card *, enum qeth_cq); +int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); +int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); +void qeth_trace_features(struct qeth_card *); +void qeth_close_dev(struct qeth_card *); + +/* exports for OSN */ +int qeth_osn_assist(struct net_device *, void *, int); +int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, + int (*assist_cb)(struct net_device *, void *), + int (*data_cb)(struct sk_buff *)); +void qeth_osn_deregister(struct net_device *); + +#endif /* __QETH_CORE_H__ */