/* * drivers/s390/net/qeth_core.h * * Copyright IBM Corp. 2007 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, * Frank Pavlic <fpavlic@de.ibm.com>, * Thomas Spatzier <tspat@de.ibm.com>, * Frank Blaschka <frank.blaschka@de.ibm.com> */ #ifndef __QETH_CORE_H__ #define __QETH_CORE_H__ #include <linux/if.h> #include <linux/if_arp.h> #include <linux/if_tr.h> #include <linux/trdevice.h> #include <linux/etherdevice.h> #include <linux/if_vlan.h> #include <linux/ctype.h> #include <linux/in6.h> #include <linux/bitops.h> #include <linux/seq_file.h> #include <linux/ethtool.h> #include <net/ipv6.h> #include <net/if_inet6.h> #include <net/addrconf.h> #include <asm/debug.h> #include <asm/qdio.h> #include <asm/ccwdev.h> #include <asm/ccwgroup.h> #include <asm/sysinfo.h> #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; }; 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 IP_TOS_LOWDELAY 0x10 #define IP_TOS_HIGHTHROUGHPUT 0x08 #define IP_TOS_HIGHRELIABILITY 0x04 #define IP_TOS_NOTIMPORTANT 0x02 /* 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*/ static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) { return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY); } 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; } __attribute__ ((aligned(256))); 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; } __attribute__ ((aligned(256))); 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 tasklet_struct irq_tasklet; 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; int broadcast_mode; int macaddr_mode; int fake_broadcast; int add_hhlen; int layer2; int performance_stats; int rx_sg_cb; enum qeth_ipa_isolation_modes 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); struct ccwgroup_driver *ccwgdriver; }; 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; }; #define QETH_NAPI_WEIGHT 128 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; 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 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 struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) { struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) dev_get_drvdata(&cdev->dev))->dev); return card; } static inline int qeth_get_micros(void) { return (int) (get_clock() >> 12); } static inline int qeth_get_ip_version(struct sk_buff *skb) { struct ethhdr *ehdr = (struct ethhdr *)skb->data; switch (ehdr->h_proto) { 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 ccwgroup_driver qeth_l2_ccwgroup_driver; extern struct ccwgroup_driver qeth_l3_ccwgroup_driver; 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 *); int qeth_core_create_device_attributes(struct device *); void qeth_core_remove_device_attributes(struct device *); int qeth_core_create_osn_attributes(struct device *); void qeth_core_remove_osn_attributes(struct device *); void qeth_buffer_reclaim_work(struct work_struct *); /* 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_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_stoplan(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 *); struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); 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_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); 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 qeth_hdr_chk_and_bounce(struct sk_buff *, 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); /* 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__ */