| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Frank Blaschka | 2083 | 51.04% | 10 | 8.62% |
| Julian Wiedmann | 1151 | 28.20% | 57 | 49.14% |
| Eugene Crosser | 128 | 3.14% | 7 | 6.03% |
| Kittipon Meesompop | 127 | 3.11% | 3 | 2.59% |
| Sebastian Ott | 98 | 2.40% | 5 | 4.31% |
| Peter Tiedemann | 95 | 2.33% | 2 | 1.72% |
| Einar Lueck | 75 | 1.84% | 3 | 2.59% |
| Carsten Otte | 58 | 1.42% | 2 | 1.72% |
| Stefan Raspl | 58 | 1.42% | 5 | 4.31% |
| Thomas Richter | 55 | 1.35% | 3 | 2.59% |
| Hans Wippel | 42 | 1.03% | 4 | 3.45% |
| Lakhvich Dmitriy | 40 | 0.98% | 2 | 1.72% |
| Arnd Bergmann | 26 | 0.64% | 1 | 0.86% |
| Ursula Braun-Krahl | 15 | 0.37% | 4 | 3.45% |
| Jiri Pirko | 9 | 0.22% | 1 | 0.86% |
| Martin Schwidefsky | 7 | 0.17% | 1 | 0.86% |
| Elena Reshetova | 4 | 0.10% | 1 | 0.86% |
| Kay Sievers | 4 | 0.10% | 1 | 0.86% |
| Jens Remus | 3 | 0.07% | 1 | 0.86% |
| Heiko Carstens | 1 | 0.02% | 1 | 0.86% |
| Klaus-Dieter Wacker | 1 | 0.02% | 1 | 0.86% |
| Greg Kroah-Hartman | 1 | 0.02% | 1 | 0.86% |
| Total | 4081 | 116 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * 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/completion.h> #include <linux/if.h> #include <linux/if_arp.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/hashtable.h> #include <linux/ip.h> #include <linux/refcount.h> #include <linux/wait.h> #include <linux/workqueue.h> #include <net/ipv6.h> #include <net/if_inet6.h> #include <net/addrconf.h> #include <net/tcp.h> #include <asm/debug.h> #include <asm/qdio.h> #include <asm/ccwdev.h> #include <asm/ccwgroup.h> #include <asm/sysinfo.h> #include <uapi/linux/if_link.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 static inline u32 qeth_get_device_id(struct ccw_device *cdev) { struct ccw_dev_id dev_id; u32 id; ccw_device_get_id(cdev, &dev_id); id = dev_id.devno; id |= (u32) (dev_id.ssid << 16); return id; } /* * 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 CCW_DEVID(cdev) (qeth_get_device_id(cdev)) #define CARD_DEVID(card) (CCW_DEVID(CARD_RDEV(card))) /* 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; __u32 reflect_promisc:1; __u32 reflect_promisc_primary:1; }; struct qeth_vnicc_info { /* supported/currently configured VNICCs; updated in IPA exchanges */ u32 sup_chars; u32 cur_chars; /* supported commands: bitmasks which VNICCs support respective cmd */ u32 set_char_sup; u32 getset_timeout_sup; /* timeout value for the learning characteristic */ u32 learning_timeout; /* characteristics wanted/configured by user */ u32 wanted_chars; /* has user explicitly enabled rx_bcast while online? */ bool rx_bcast_enabled; }; static inline int qeth_is_adp_supported(struct qeth_ipa_info *ipa, enum qeth_ipa_setadp_cmd func) { return (ipa->supported_funcs & func); } 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_adp_supported(&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_BUFSIZE 4096 #define CCW_CMD_WRITE 0x01 #define CCW_CMD_READ 0x02 /** * some more defs */ #define QETH_TX_TIMEOUT 100 * HZ #define QETH_RCD_TIMEOUT 60 * HZ #define QETH_RECLAIM_WORK_TIME HZ #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_IQD_MIN_TXQ 2 /* One for ucast, one for mcast. */ #define QETH_IQD_MCAST_TXQ 0 #define QETH_IQD_MIN_UCAST_TXQ 1 #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 /* 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; union { /* TX: */ struct in6_addr ipv6_addr; struct ipv4 { u8 res[12]; u32 addr; } ipv4; /* RX: */ struct rx { u8 res1[2]; u8 src_mac[6]; u8 res2[4]; u16 vlan_id; u8 res3[2]; } rx; } next_hop; }; 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_L3_TSO = 0x03, QETH_HEADER_TYPE_OSN = 0x04, QETH_HEADER_TYPE_L2_TSO = 0x06, }; /* 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_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; }; enum qeth_qdio_out_buffer_state { /* Owned by driver, in order to be filled. */ QETH_QDIO_BUF_EMPTY, /* Filled by driver; owned by hardware in order to be sent. */ QETH_QDIO_BUF_PRIMED, /* Identified to be pending in TPQ. */ QETH_QDIO_BUF_PENDING, /* Found in completion queue. */ QETH_QDIO_BUF_IN_CQ, /* Handled via transfer pending / completion queue. */ QETH_QDIO_BUF_HANDLED_DELAYED, }; 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[QDIO_MAX_ELEMENTS_PER_BUFFER]; 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, }; #define QETH_CARD_STAT_ADD(_c, _stat, _val) ((_c)->stats._stat += (_val)) #define QETH_CARD_STAT_INC(_c, _stat) QETH_CARD_STAT_ADD(_c, _stat, 1) #define QETH_TXQ_STAT_ADD(_q, _stat, _val) ((_q)->stats._stat += (_val)) #define QETH_TXQ_STAT_INC(_q, _stat) QETH_TXQ_STAT_ADD(_q, _stat, 1) struct qeth_card_stats { u64 rx_bufs; u64 rx_skb_csum; u64 rx_sg_skbs; u64 rx_sg_frags; u64 rx_sg_alloc_page; /* rtnl_link_stats64 */ u64 rx_packets; u64 rx_bytes; u64 rx_errors; u64 rx_dropped; u64 rx_multicast; }; struct qeth_out_q_stats { u64 bufs; u64 bufs_pack; u64 buf_elements; u64 skbs_pack; u64 skbs_sg; u64 skbs_csum; u64 skbs_tso; u64 skbs_linearized; u64 skbs_linearized_fail; u64 tso_bytes; u64 packing_mode_switch; u64 stopped; /* rtnl_link_stats64 */ u64 tx_packets; u64 tx_bytes; u64 tx_errors; u64 tx_dropped; }; 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 */ struct qeth_out_q_stats stats; u8 next_buf_to_fill; u8 max_elements; u8 queue_no; u8 do_pack; struct qeth_card *card; atomic_t state; /* * 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; }; static inline bool qeth_out_queue_is_full(struct qeth_qdio_out_q *queue) { return atomic_read(&queue->used_buffers) >= QDIO_MAX_BUFFERS_PER_Q; } 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[QETH_MAX_QUEUES]; struct qdio_outbuf_state *out_bufstates; /* priority queueing */ int do_prio_queueing; int default_out_queue; }; /** * 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_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, }; /** * Protocol versions */ enum qeth_prot_versions { QETH_PROT_IPV4 = 0x0004, QETH_PROT_IPV6 = 0x0006, }; enum qeth_cmd_buffer_state { BUF_STATE_FREE, BUF_STATE_LOCKED, }; enum qeth_cq { QETH_CQ_DISABLED = 0, QETH_CQ_ENABLED = 1, QETH_CQ_NOTAVAILABLE = 2, }; struct qeth_ipato { bool enabled; bool invert4; bool invert6; struct list_head entries; }; struct qeth_channel; struct qeth_cmd_buffer { enum qeth_cmd_buffer_state state; struct qeth_channel *channel; struct qeth_reply *reply; long timeout; unsigned char *data; void (*finalize)(struct qeth_card *card, struct qeth_cmd_buffer *iob, unsigned int length); void (*callback)(struct qeth_card *card, struct qeth_channel *channel, struct qeth_cmd_buffer *iob); }; static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob) { return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); } /** * 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; }; static inline bool qeth_trylock_channel(struct qeth_channel *channel) { return atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0; } /** * 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; }; struct qeth_reply { struct list_head list; struct completion received; int (*callback)(struct qeth_card *, struct qeth_reply *, unsigned long); u32 seqno; unsigned long offset; int rc; void *param; refcount_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_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]; u8 open_when_online:1; u8 is_vm_nic:1; int mac_bits; enum qeth_card_types type; enum qeth_link_types link_type; int broadcast_capable; int unique_id; bool layer_enforced; struct qeth_card_blkt blkt; enum qeth_ipa_promisc_modes promisc_mode; __u32 diagass_support; __u32 hwtrap; }; enum qeth_discipline_id { QETH_DISCIPLINE_UNDETERMINED = -1, QETH_DISCIPLINE_LAYER3 = 0, QETH_DISCIPLINE_LAYER2 = 1, }; 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 */ struct qeth_vnicc_info vnicc; /* VNICC options */ int fake_broadcast; enum qeth_discipline_id layer; 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]; }; #define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2) #define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3) /* * 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); }; struct qeth_discipline { const struct device_type *devtype; int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done); 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 *); int (*freeze)(struct ccwgroup_device *); int (*thaw) (struct ccwgroup_device *); int (*restore)(struct ccwgroup_device *); int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd); int (*control_event_handler)(struct qeth_card *card, struct qeth_ipa_cmd *cmd); }; enum qeth_addr_disposition { QETH_DISP_ADDR_DELETE = 0, QETH_DISP_ADDR_DO_NOTHING = 1, QETH_DISP_ADDR_ADD = 2, }; 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 { enum qeth_card_states state; spinlock_t lock; struct ccwgroup_device *gdev; struct qeth_channel read; struct qeth_channel write; struct qeth_channel data; struct net_device *dev; struct qeth_card_stats stats; struct qeth_card_info info; struct qeth_token token; struct qeth_seqno seqno; struct qeth_card_options options; struct workqueue_struct *event_wq; struct workqueue_struct *cmd_wq; wait_queue_head_t wait_q; unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; DECLARE_HASHTABLE(mac_htable, 4); DECLARE_HASHTABLE(ip_htable, 4); struct mutex ip_lock; DECLARE_HASHTABLE(ip_mc_htable, 4); struct work_struct rx_mode_work; 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 qeth_ipato ipato; struct list_head cmd_waiter_list; /* QDIO buffer handling */ struct qeth_qdio_info qdio; 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; }; static inline bool qeth_card_hw_is_reachable(struct qeth_card *card) { return card->state == CARD_STATE_SOFTSETUP; } 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 bool qeth_netdev_is_registered(struct net_device *dev) { return dev->netdev_ops != NULL; } static inline u16 qeth_iqd_translate_txq(struct net_device *dev, u16 txq) { if (txq == QETH_IQD_MCAST_TXQ) return dev->num_tx_queues - 1; if (txq == dev->num_tx_queues - 1) return QETH_IQD_MCAST_TXQ; return txq; } static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf, unsigned int elements) { unsigned int i; for (i = 0; i < elements; i++) memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element)); buf->element[14].sflags = 0; buf->element[15].sflags = 0; } /** * qeth_get_elements_for_range() - find number of SBALEs to cover range. * @start: Start of the address range. * @end: Address after the end of the range. * * Returns the number of pages, and thus QDIO buffer elements, needed to cover * the specified address range. */ static inline int qeth_get_elements_for_range(addr_t start, addr_t end) { return PFN_UP(end) - PFN_DOWN(start); } static inline int qeth_get_ip_version(struct sk_buff *skb) { struct vlan_ethhdr *veth = vlan_eth_hdr(skb); __be16 prot = veth->h_vlan_proto; if (prot == htons(ETH_P_8021Q)) prot = veth->h_vlan_encapsulated_proto; switch (prot) { case htons(ETH_P_IPV6): return 6; case htons(ETH_P_IP): return 4; default: return 0; } } static inline int qeth_get_ether_cast_type(struct sk_buff *skb) { u8 *addr = eth_hdr(skb)->h_dest; if (is_multicast_ether_addr(addr)) return is_broadcast_ether_addr(addr) ? RTN_BROADCAST : RTN_MULTICAST; return RTN_UNICAST; } static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb, u8 flags) { if ((card->dev->features & NETIF_F_RXCSUM) && (flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) { skb->ip_summed = CHECKSUM_UNNECESSARY; QETH_CARD_STAT_INC(card, rx_skb_csum); } else { skb->ip_summed = CHECKSUM_NONE; } } static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, int ipv) { *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ; if ((ipv == 4 && ip_hdr(skb)->protocol == IPPROTO_UDP) || (ipv == 6 && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP)) *flags |= QETH_HDR_EXT_UDP; } 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; } int qeth_send_simple_setassparms_prot(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, u16 cmd_code, long data, enum qeth_prot_versions prot); /* IPv4 variant */ static inline int qeth_send_simple_setassparms(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, u16 cmd_code, long data) { return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code, data, QETH_PROT_IPV4); } static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, u16 cmd_code, long data) { return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code, data, QETH_PROT_IPV6); } int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb); extern struct qeth_discipline qeth_l2_discipline; extern struct qeth_discipline qeth_l3_discipline; extern const struct ethtool_ops qeth_ethtool_ops; extern const struct ethtool_ops qeth_osn_ethtool_ops; extern const struct attribute_group *qeth_generic_attr_groups[]; extern const struct attribute_group *qeth_osn_attr_groups[]; extern const struct attribute_group qeth_device_attr_group; extern const struct attribute_group qeth_device_blkt_group; extern const struct device_type qeth_generic_devtype; 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 kmem_cache *qeth_core_header_cache; extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; struct net_device *qeth_clone_netdev(struct net_device *orig); struct qeth_card *qeth_get_card_by_busid(char *bus_id); void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); int qeth_threads_running(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 *card, bool *carrier_ok); void qeth_print_status_message(struct qeth_card *); int qeth_init_qdio_queues(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); 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 *); int qeth_poll(struct napi_struct *napi, int budget); 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_drain_output_queues(struct qeth_card *card); void qeth_setadp_promisc_mode(struct qeth_card *); int qeth_setadpparms_change_macaddr(struct qeth_card *); void qeth_tx_timeout(struct net_device *); void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, u16 cmd_length); struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); int qeth_query_switch_attributes(struct qeth_card *card, struct qeth_switch_info *sw_info); int qeth_query_card_info(struct qeth_card *card, struct carrier_info *carrier_info); unsigned int qeth_count_elements(struct sk_buff *skb, unsigned int data_offset); int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, struct sk_buff *skb, struct qeth_hdr *hdr, unsigned int offset, unsigned int hd_len, int elements_needed); int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); int qeth_configure_cq(struct qeth_card *, enum qeth_cq); int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); void qeth_trace_features(struct qeth_card *); int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs, __u16, __u16, enum qeth_prot_versions); int qeth_set_features(struct net_device *, netdev_features_t); void qeth_enable_hw_features(struct net_device *dev); netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t); netdev_features_t qeth_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features); void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats); u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb, u8 cast_type, struct net_device *sb_dev); int qeth_open(struct net_device *dev); int qeth_stop(struct net_device *dev); int qeth_vm_request_mac(struct qeth_card *card); int qeth_xmit(struct qeth_card *card, struct sk_buff *skb, struct qeth_qdio_out_q *queue, int ipv, int cast_type, void (*fill_header)(struct qeth_qdio_out_q *queue, struct qeth_hdr *hdr, struct sk_buff *skb, int ipv, int cast_type, unsigned int data_len)); /* 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__ */
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