1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright IBM Corp. 2007
4 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
5 * Frank Pavlic <fpavlic@de.ibm.com>,
6 * Thomas Spatzier <tspat@de.ibm.com>,
7 * Frank Blaschka <frank.blaschka@de.ibm.com>
10 #ifndef __QETH_CORE_H__
11 #define __QETH_CORE_H__
14 #include <linux/if_arp.h>
15 #include <linux/etherdevice.h>
16 #include <linux/if_vlan.h>
17 #include <linux/ctype.h>
18 #include <linux/in6.h>
19 #include <linux/bitops.h>
20 #include <linux/seq_file.h>
21 #include <linux/ethtool.h>
22 #include <linux/hashtable.h>
24 #include <linux/refcount.h>
27 #include <net/if_inet6.h>
28 #include <net/addrconf.h>
31 #include <asm/debug.h>
33 #include <asm/ccwdev.h>
34 #include <asm/ccwgroup.h>
35 #include <asm/sysinfo.h>
37 #include "qeth_core_mpc.h"
40 * Debug Facility stuff
46 QETH_DBF_INFOS /* must be last element */
49 struct qeth_dbf_info {
50 char name[DEBUG_MAX_NAME_LEN];
55 struct debug_view *view;
59 #define QETH_DBF_CTRL_LEN 256
61 #define QETH_DBF_TEXT(name, level, text) \
62 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
64 #define QETH_DBF_HEX(name, level, addr, len) \
65 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
67 #define QETH_DBF_MESSAGE(level, text...) \
68 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
70 #define QETH_DBF_TEXT_(name, level, text...) \
71 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
73 #define QETH_CARD_TEXT(card, level, text) \
74 debug_text_event(card->debug, level, text)
76 #define QETH_CARD_HEX(card, level, addr, len) \
77 debug_event(card->debug, level, (void *)(addr), len)
79 #define QETH_CARD_MESSAGE(card, text...) \
80 debug_sprintf_event(card->debug, level, text)
82 #define QETH_CARD_TEXT_(card, level, text...) \
83 qeth_dbf_longtext(card->debug, level, text)
85 #define SENSE_COMMAND_REJECT_BYTE 0
86 #define SENSE_COMMAND_REJECT_FLAG 0x80
87 #define SENSE_RESETTING_EVENT_BYTE 1
88 #define SENSE_RESETTING_EVENT_FLAG 0x80
90 static inline u32 qeth_get_device_id(struct ccw_device *cdev)
92 struct ccw_dev_id dev_id;
95 ccw_device_get_id(cdev, &dev_id);
97 id |= (u32) (dev_id.ssid << 16);
103 * Common IO related definitions
105 #define CARD_RDEV(card) card->read.ccwdev
106 #define CARD_WDEV(card) card->write.ccwdev
107 #define CARD_DDEV(card) card->data.ccwdev
108 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
109 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
110 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
111 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
112 #define CCW_DEVID(cdev) (qeth_get_device_id(cdev))
113 #define CARD_DEVID(card) (CCW_DEVID(CARD_RDEV(card)))
118 struct qeth_perf_stats {
119 unsigned int bufs_rec;
120 unsigned int bufs_sent;
121 unsigned int buf_elements_sent;
123 unsigned int skbs_sent_pack;
124 unsigned int bufs_sent_pack;
126 unsigned int sc_dp_p;
127 unsigned int sc_p_dp;
128 /* qdio_cq_handler: number of times called, time spent in */
131 unsigned int cq_time;
132 /* qdio_input_handler: number of times called, time spent in */
133 __u64 inbound_start_time;
134 unsigned int inbound_cnt;
135 unsigned int inbound_time;
136 /* qeth_send_packet: number of times called, time spent in */
137 __u64 outbound_start_time;
138 unsigned int outbound_cnt;
139 unsigned int outbound_time;
140 /* qdio_output_handler: number of times called, time spent in */
141 __u64 outbound_handler_start_time;
142 unsigned int outbound_handler_cnt;
143 unsigned int outbound_handler_time;
144 /* number of calls to and time spent in do_QDIO for inbound queue */
145 __u64 inbound_do_qdio_start_time;
146 unsigned int inbound_do_qdio_cnt;
147 unsigned int inbound_do_qdio_time;
148 /* number of calls to and time spent in do_QDIO for outbound queues */
149 __u64 outbound_do_qdio_start_time;
150 unsigned int outbound_do_qdio_cnt;
151 unsigned int outbound_do_qdio_time;
152 unsigned int large_send_bytes;
153 unsigned int large_send_cnt;
154 unsigned int sg_skbs_sent;
155 /* initial values when measuring starts */
156 unsigned long initial_rx_packets;
157 unsigned long initial_tx_packets;
158 /* inbound scatter gather data */
159 unsigned int sg_skbs_rx;
160 unsigned int sg_frags_rx;
161 unsigned int sg_alloc_page_rx;
162 unsigned int tx_csum;
164 unsigned int tx_linfail;
165 unsigned int rx_csum;
169 struct qeth_routing_info {
170 enum qeth_routing_types type;
174 struct qeth_ipa_info {
175 __u32 supported_funcs;
179 /* SETBRIDGEPORT stuff */
180 enum qeth_sbp_roles {
181 QETH_SBP_ROLE_NONE = 0,
182 QETH_SBP_ROLE_PRIMARY = 1,
183 QETH_SBP_ROLE_SECONDARY = 2,
186 enum qeth_sbp_states {
187 QETH_SBP_STATE_INACTIVE = 0,
188 QETH_SBP_STATE_STANDBY = 1,
189 QETH_SBP_STATE_ACTIVE = 2,
192 #define QETH_SBP_HOST_NOTIFICATION 1
194 struct qeth_sbp_info {
195 __u32 supported_funcs;
196 enum qeth_sbp_roles role;
197 __u32 hostnotification:1;
198 __u32 reflect_promisc:1;
199 __u32 reflect_promisc_primary:1;
202 struct qeth_vnicc_info {
203 /* supported/currently configured VNICCs; updated in IPA exchanges */
206 /* supported commands: bitmasks which VNICCs support respective cmd */
208 u32 getset_timeout_sup;
209 /* timeout value for the learning characteristic */
210 u32 learning_timeout;
211 /* characteristics wanted/configured by user */
213 /* has user explicitly enabled rx_bcast while online? */
214 bool rx_bcast_enabled;
217 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
218 enum qeth_ipa_funcs func)
220 return (ipa->supported_funcs & func);
223 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
224 enum qeth_ipa_funcs func)
226 return (ipa->supported_funcs & ipa->enabled_funcs & func);
229 #define qeth_adp_supported(c, f) \
230 qeth_is_ipa_supported(&c->options.adp, f)
231 #define qeth_adp_enabled(c, f) \
232 qeth_is_ipa_enabled(&c->options.adp, f)
233 #define qeth_is_supported(c, f) \
234 qeth_is_ipa_supported(&c->options.ipa4, f)
235 #define qeth_is_enabled(c, f) \
236 qeth_is_ipa_enabled(&c->options.ipa4, f)
237 #define qeth_is_supported6(c, f) \
238 qeth_is_ipa_supported(&c->options.ipa6, f)
239 #define qeth_is_enabled6(c, f) \
240 qeth_is_ipa_enabled(&c->options.ipa6, f)
241 #define qeth_is_ipafunc_supported(c, prot, f) \
242 ((prot == QETH_PROT_IPV6) ? \
243 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
244 #define qeth_is_ipafunc_enabled(c, prot, f) \
245 ((prot == QETH_PROT_IPV6) ? \
246 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
248 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101
249 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108
251 #define QETH_BUFSIZE 4096
252 #define CCW_CMD_WRITE 0x01
253 #define CCW_CMD_READ 0x02
258 #define QETH_TX_TIMEOUT 100 * HZ
259 #define QETH_RCD_TIMEOUT 60 * HZ
260 #define QETH_RECLAIM_WORK_TIME HZ
261 #define QETH_MAX_PORTNO 15
263 /*IPv6 address autoconfiguration stuff*/
264 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
265 #define UNIQUE_ID_NOT_BY_CARD 0x10000
267 /*****************************************************************************/
268 /* QDIO queue and buffer handling */
269 /*****************************************************************************/
270 #define QETH_MAX_QUEUES 4
271 #define QETH_IN_BUF_SIZE_DEFAULT 65536
272 #define QETH_IN_BUF_COUNT_DEFAULT 64
273 #define QETH_IN_BUF_COUNT_HSDEFAULT 128
274 #define QETH_IN_BUF_COUNT_MIN 8
275 #define QETH_IN_BUF_COUNT_MAX 128
276 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
277 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
278 ((card)->qdio.in_buf_pool.buf_count / 2)
280 /* buffers we have to be behind before we get a PCI */
281 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
282 /*enqueued free buffers left before we get a PCI*/
283 #define QETH_PCI_THRESHOLD_B(card) 0
284 /*not used unless the microcode gets patched*/
285 #define QETH_PCI_TIMER_VALUE(card) 3
287 /* priority queing */
288 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
289 #define QETH_DEFAULT_QUEUE 2
290 #define QETH_NO_PRIO_QUEUEING 0
291 #define QETH_PRIO_Q_ING_PREC 1
292 #define QETH_PRIO_Q_ING_TOS 2
293 #define QETH_PRIO_Q_ING_SKB 3
294 #define QETH_PRIO_Q_ING_VLAN 4
297 #define QETH_LOW_WATERMARK_PACK 2
298 #define QETH_HIGH_WATERMARK_PACK 5
299 #define QETH_WATERMARK_PACK_FUZZ 1
301 /* large receive scatter gather copy break */
302 #define QETH_RX_SG_CB (PAGE_SIZE >> 1)
303 #define QETH_RX_PULL_LEN 256
305 struct qeth_hdr_layer3 {
308 __u16 inbound_checksum; /*TSO:__u16 seqno */
309 __u32 token; /*TSO: __u32 reserved */
317 struct in6_addr ipv6_addr;
333 struct qeth_hdr_layer2 {
343 } __attribute__ ((packed));
345 struct qeth_hdr_osn {
354 } __attribute__ ((packed));
358 struct qeth_hdr_layer2 l2;
359 struct qeth_hdr_layer3 l3;
360 struct qeth_hdr_osn osn;
362 } __attribute__ ((packed));
364 /*TCP Segmentation Offload header*/
365 struct qeth_hdr_ext_tso {
376 } __attribute__ ((packed));
378 struct qeth_hdr_tso {
379 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
380 struct qeth_hdr_ext_tso ext;
381 } __attribute__ ((packed));
384 /* flags for qeth_hdr.flags */
385 #define QETH_HDR_PASSTHRU 0x10
386 #define QETH_HDR_IPV6 0x80
387 #define QETH_HDR_CAST_MASK 0x07
388 enum qeth_cast_flags {
389 QETH_CAST_UNICAST = 0x06,
390 QETH_CAST_MULTICAST = 0x04,
391 QETH_CAST_BROADCAST = 0x05,
392 QETH_CAST_ANYCAST = 0x07,
393 QETH_CAST_NOCAST = 0x00,
396 enum qeth_layer2_frame_flags {
397 QETH_LAYER2_FLAG_MULTICAST = 0x01,
398 QETH_LAYER2_FLAG_BROADCAST = 0x02,
399 QETH_LAYER2_FLAG_UNICAST = 0x04,
400 QETH_LAYER2_FLAG_VLAN = 0x10,
403 enum qeth_header_ids {
404 QETH_HEADER_TYPE_LAYER3 = 0x01,
405 QETH_HEADER_TYPE_LAYER2 = 0x02,
406 QETH_HEADER_TYPE_L3_TSO = 0x03,
407 QETH_HEADER_TYPE_OSN = 0x04,
408 QETH_HEADER_TYPE_L2_TSO = 0x06,
410 /* flags for qeth_hdr.ext_flags */
411 #define QETH_HDR_EXT_VLAN_FRAME 0x01
412 #define QETH_HDR_EXT_TOKEN_ID 0x02
413 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
414 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
415 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
416 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
417 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
419 enum qeth_qdio_buffer_states {
421 * inbound: read out by driver; owned by hardware in order to be filled
422 * outbound: owned by driver in order to be filled
426 * inbound: filled by hardware; owned by driver in order to be read out
427 * outbound: filled by driver; owned by hardware in order to be sent
429 QETH_QDIO_BUF_PRIMED,
431 * inbound: not applicable
432 * outbound: identified to be pending in TPQ
434 QETH_QDIO_BUF_PENDING,
436 * inbound: not applicable
437 * outbound: found in completion queue
441 * inbound: not applicable
442 * outbound: handled via transfer pending / completion queue
444 QETH_QDIO_BUF_HANDLED_DELAYED,
447 enum qeth_qdio_info_states {
448 QETH_QDIO_UNINITIALIZED,
450 QETH_QDIO_ESTABLISHED,
454 struct qeth_buffer_pool_entry {
455 struct list_head list;
456 struct list_head init_list;
457 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
460 struct qeth_qdio_buffer_pool {
461 struct list_head entry_list;
465 struct qeth_qdio_buffer {
466 struct qdio_buffer *buffer;
467 /* the buffer pool entry currently associated to this buffer */
468 struct qeth_buffer_pool_entry *pool_entry;
469 struct sk_buff *rx_skb;
473 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
474 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
475 int next_buf_to_init;
478 struct qeth_qdio_out_buffer {
479 struct qdio_buffer *buffer;
481 int next_element_to_fill;
482 struct sk_buff_head skb_list;
483 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER];
485 struct qeth_qdio_out_q *q;
486 struct qeth_qdio_out_buffer *next_pending;
491 enum qeth_out_q_states {
494 QETH_OUT_Q_LOCKED_FLUSH,
497 struct qeth_qdio_out_q {
498 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
499 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
500 struct qdio_outbuf_state *bufstates; /* convenience pointer */
502 struct qeth_card *card;
506 * index of buffer to be filled by driver; state EMPTY or PACKING
508 int next_buf_to_fill;
510 * number of buffers that are currently filled (PRIMED)
511 * -> these buffers are hardware-owned
513 atomic_t used_buffers;
514 /* indicates whether PCI flag must be set (or if one is outstanding) */
515 atomic_t set_pci_flags_count;
518 struct qeth_qdio_info {
522 struct qeth_qdio_q *in_q;
523 struct qeth_qdio_q *c_q;
524 struct qeth_qdio_buffer_pool in_buf_pool;
525 struct qeth_qdio_buffer_pool init_pool;
530 struct qeth_qdio_out_q **out_qs;
531 struct qdio_outbuf_state *out_bufstates;
533 /* priority queueing */
534 int do_prio_queueing;
535 int default_out_queue;
539 * buffer stuff for read channel
541 #define QETH_CMD_BUFFER_NO 8
544 * channel state machine
546 enum qeth_channel_states {
558 enum qeth_card_states {
560 CARD_STATE_HARDSETUP,
561 CARD_STATE_SOFTSETUP,
569 enum qeth_prot_versions {
570 QETH_PROT_IPV4 = 0x0004,
571 QETH_PROT_IPV6 = 0x0006,
574 enum qeth_cmd_buffer_state {
580 QETH_CQ_DISABLED = 0,
582 QETH_CQ_NOTAVAILABLE = 2,
589 struct list_head entries;
594 struct qeth_cmd_buffer {
595 enum qeth_cmd_buffer_state state;
596 struct qeth_channel *channel;
599 void (*callback)(struct qeth_card *card, struct qeth_channel *channel,
600 struct qeth_cmd_buffer *iob);
603 static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
605 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
609 * definition of a qeth channel, used for read and write
611 struct qeth_channel {
612 enum qeth_channel_states state;
615 wait_queue_head_t wait_q;
616 struct ccw_device *ccwdev;
617 /*command buffer for control data*/
618 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
619 atomic_t irq_pending;
624 * OSA card related definitions
631 __u32 cm_connection_w;
632 __u32 cm_connection_r;
635 __u32 ulp_connection_w;
636 __u32 ulp_connection_r;
648 struct list_head list;
649 wait_queue_head_t wait_q;
650 int (*callback)(struct qeth_card *, struct qeth_reply *,
653 unsigned long offset;
660 struct qeth_card_blkt {
663 int inter_packet_jumbo;
666 #define QETH_BROADCAST_WITH_ECHO 0x01
667 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
668 #define QETH_LAYER2_MAC_REGISTERED 0x02
669 struct qeth_card_info {
670 unsigned short unit_addr2;
672 unsigned short chpid;
674 char mcl_level[QETH_MCL_LENGTH + 1];
677 enum qeth_card_types type;
678 enum qeth_link_types link_type;
679 int broadcast_capable;
682 struct qeth_card_blkt blkt;
683 enum qeth_ipa_promisc_modes promisc_mode;
684 __u32 diagass_support;
688 enum qeth_discipline_id {
689 QETH_DISCIPLINE_UNDETERMINED = -1,
690 QETH_DISCIPLINE_LAYER3 = 0,
691 QETH_DISCIPLINE_LAYER2 = 1,
694 struct qeth_card_options {
695 struct qeth_routing_info route4;
696 struct qeth_ipa_info ipa4;
697 struct qeth_ipa_info adp; /*Adapter parameters*/
698 struct qeth_routing_info route6;
699 struct qeth_ipa_info ipa6;
700 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
701 struct qeth_vnicc_info vnicc; /* VNICC options */
703 enum qeth_discipline_id layer;
704 int performance_stats;
706 enum qeth_ipa_isolation_modes isolation;
707 enum qeth_ipa_isolation_modes prev_isolation;
713 #define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2)
714 #define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3)
717 * thread bits for qeth_card thread masks
720 QETH_RECOVER_THREAD = 1,
723 struct qeth_osn_info {
724 int (*assist_cb)(struct net_device *dev, void *data);
725 int (*data_cb)(struct sk_buff *skb);
728 struct qeth_discipline {
729 const struct device_type *devtype;
730 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done);
731 int (*recover)(void *ptr);
732 int (*setup) (struct ccwgroup_device *);
733 void (*remove) (struct ccwgroup_device *);
734 int (*set_online) (struct ccwgroup_device *);
735 int (*set_offline) (struct ccwgroup_device *);
736 int (*freeze)(struct ccwgroup_device *);
737 int (*thaw) (struct ccwgroup_device *);
738 int (*restore)(struct ccwgroup_device *);
739 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd);
740 int (*control_event_handler)(struct qeth_card *card,
741 struct qeth_ipa_cmd *cmd);
744 struct qeth_vlan_vid {
745 struct list_head list;
749 enum qeth_addr_disposition {
750 QETH_DISP_ADDR_DELETE = 0,
751 QETH_DISP_ADDR_DO_NOTHING = 1,
752 QETH_DISP_ADDR_ADD = 2,
758 struct qdio_buffer_element *b_element;
763 struct carrier_info {
769 struct qeth_switch_info {
774 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
777 enum qeth_card_states state;
779 struct ccwgroup_device *gdev;
780 struct qeth_channel read;
781 struct qeth_channel write;
782 struct qeth_channel data;
784 struct net_device *dev;
785 struct net_device_stats stats;
787 struct qeth_card_info info;
788 struct qeth_token token;
789 struct qeth_seqno seqno;
790 struct qeth_card_options options;
792 wait_queue_head_t wait_q;
794 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
795 struct mutex vid_list_mutex; /* vid_list */
796 struct list_head vid_list;
797 DECLARE_HASHTABLE(mac_htable, 4);
798 DECLARE_HASHTABLE(ip_htable, 4);
799 DECLARE_HASHTABLE(ip_mc_htable, 4);
800 struct work_struct kernel_thread_starter;
801 spinlock_t thread_mask_lock;
802 unsigned long thread_start_mask;
803 unsigned long thread_allowed_mask;
804 unsigned long thread_running_mask;
805 struct task_struct *recovery_task;
807 struct qeth_ipato ipato;
808 struct list_head cmd_waiter_list;
809 /* QDIO buffer handling */
810 struct qeth_qdio_info qdio;
811 struct qeth_perf_stats perf_stats;
812 int read_or_write_problem;
813 struct qeth_osn_info osn_info;
814 struct qeth_discipline *discipline;
815 atomic_t force_alloc_skb;
816 struct service_level qeth_service_level;
817 struct qdio_ssqd_desc ssqd;
819 struct mutex conf_mutex;
820 struct mutex discipline_mutex;
821 struct napi_struct napi;
823 struct delayed_work buffer_reclaim_work;
825 struct work_struct close_dev_work;
828 struct qeth_trap_id {
836 /*some helper functions*/
837 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
839 static inline bool qeth_netdev_is_registered(struct net_device *dev)
841 return dev->netdev_ops != NULL;
844 static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
845 unsigned int elements)
849 for (i = 0; i < elements; i++)
850 memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
851 buf->element[14].sflags = 0;
852 buf->element[15].sflags = 0;
856 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
857 * @start: Start of the address range.
858 * @end: Address after the end of the range.
860 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
861 * the specified address range.
863 static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
865 return PFN_UP(end) - PFN_DOWN(start);
868 static inline int qeth_get_micros(void)
870 return (int) (get_tod_clock() >> 12);
873 static inline int qeth_get_ip_version(struct sk_buff *skb)
875 struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
876 __be16 prot = veth->h_vlan_proto;
878 if (prot == htons(ETH_P_8021Q))
879 prot = veth->h_vlan_encapsulated_proto;
882 case htons(ETH_P_IPV6):
884 case htons(ETH_P_IP):
891 static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb,
894 if ((card->dev->features & NETIF_F_RXCSUM) &&
895 (flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) {
896 skb->ip_summed = CHECKSUM_UNNECESSARY;
897 if (card->options.performance_stats)
898 card->perf_stats.rx_csum++;
900 skb->ip_summed = CHECKSUM_NONE;
904 static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, int ipv)
906 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
907 if ((ipv == 4 && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
908 (ipv == 6 && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
909 *flags |= QETH_HDR_EXT_UDP;
912 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
913 struct qeth_buffer_pool_entry *entry)
915 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
918 static inline int qeth_is_diagass_supported(struct qeth_card *card,
919 enum qeth_diags_cmds cmd)
921 return card->info.diagass_support & (__u32)cmd;
924 int qeth_send_simple_setassparms_prot(struct qeth_card *card,
925 enum qeth_ipa_funcs ipa_func,
926 u16 cmd_code, long data,
927 enum qeth_prot_versions prot);
929 static inline int qeth_send_simple_setassparms(struct qeth_card *card,
930 enum qeth_ipa_funcs ipa_func,
931 u16 cmd_code, long data)
933 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
934 data, QETH_PROT_IPV4);
937 static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
938 enum qeth_ipa_funcs ipa_func,
939 u16 cmd_code, long data)
941 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
942 data, QETH_PROT_IPV6);
945 int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
947 static inline struct qeth_qdio_out_q *qeth_get_tx_queue(struct qeth_card *card,
949 int ipv, int cast_type)
951 if (IS_IQD(card) && cast_type != RTN_UNICAST)
952 return card->qdio.out_qs[card->qdio.no_out_queues - 1];
953 if (!card->qdio.do_prio_queueing)
954 return card->qdio.out_qs[card->qdio.default_out_queue];
955 return card->qdio.out_qs[qeth_get_priority_queue(card, skb, ipv)];
958 extern struct qeth_discipline qeth_l2_discipline;
959 extern struct qeth_discipline qeth_l3_discipline;
960 extern const struct attribute_group *qeth_generic_attr_groups[];
961 extern const struct attribute_group *qeth_osn_attr_groups[];
962 extern const struct attribute_group qeth_device_attr_group;
963 extern const struct attribute_group qeth_device_blkt_group;
964 extern const struct device_type qeth_generic_devtype;
965 extern struct workqueue_struct *qeth_wq;
967 int qeth_card_hw_is_reachable(struct qeth_card *);
968 const char *qeth_get_cardname_short(struct qeth_card *);
969 int qeth_realloc_buffer_pool(struct qeth_card *, int);
970 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
971 void qeth_core_free_discipline(struct qeth_card *);
973 /* exports for qeth discipline device drivers */
974 extern struct kmem_cache *qeth_core_header_cache;
975 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
977 struct net_device *qeth_clone_netdev(struct net_device *orig);
978 struct qeth_card *qeth_get_card_by_busid(char *bus_id);
979 void qeth_set_recovery_task(struct qeth_card *);
980 void qeth_clear_recovery_task(struct qeth_card *);
981 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
982 int qeth_threads_running(struct qeth_card *, unsigned long);
983 int qeth_wait_for_threads(struct qeth_card *, unsigned long);
984 int qeth_do_run_thread(struct qeth_card *, unsigned long);
985 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
986 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
987 int qeth_core_hardsetup_card(struct qeth_card *card, bool *carrier_ok);
988 void qeth_print_status_message(struct qeth_card *);
989 int qeth_init_qdio_queues(struct qeth_card *);
990 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
992 (struct qeth_card *, struct qeth_reply *, unsigned long),
994 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
995 enum qeth_ipa_cmds, enum qeth_prot_versions);
996 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
997 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
999 void qeth_schedule_recovery(struct qeth_card *);
1000 int qeth_poll(struct napi_struct *napi, int budget);
1001 void qeth_clear_ipacmd_list(struct qeth_card *);
1002 int qeth_qdio_clear_card(struct qeth_card *, int);
1003 void qeth_clear_working_pool_list(struct qeth_card *);
1004 void qeth_clear_cmd_buffers(struct qeth_channel *);
1005 void qeth_clear_qdio_buffers(struct qeth_card *);
1006 void qeth_setadp_promisc_mode(struct qeth_card *);
1007 struct net_device_stats *qeth_get_stats(struct net_device *);
1008 int qeth_setadpparms_change_macaddr(struct qeth_card *);
1009 void qeth_tx_timeout(struct net_device *);
1010 void qeth_prepare_control_data(struct qeth_card *, int,
1011 struct qeth_cmd_buffer *);
1012 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
1013 void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob);
1014 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
1015 int qeth_query_switch_attributes(struct qeth_card *card,
1016 struct qeth_switch_info *sw_info);
1017 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
1018 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
1020 unsigned int qeth_count_elements(struct sk_buff *skb, unsigned int data_offset);
1021 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
1022 struct sk_buff *skb, struct qeth_hdr *hdr,
1023 unsigned int offset, unsigned int hd_len,
1024 int elements_needed);
1025 int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1026 int qeth_core_get_sset_count(struct net_device *, int);
1027 void qeth_core_get_ethtool_stats(struct net_device *,
1028 struct ethtool_stats *, u64 *);
1029 void qeth_core_get_strings(struct net_device *, u32, u8 *);
1030 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
1031 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1032 int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev,
1033 struct ethtool_link_ksettings *cmd);
1034 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
1035 int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1036 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1037 void qeth_trace_features(struct qeth_card *);
1038 void qeth_close_dev(struct qeth_card *);
1039 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1040 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
1041 enum qeth_ipa_funcs,
1043 enum qeth_prot_versions);
1044 int qeth_set_features(struct net_device *, netdev_features_t);
1045 void qeth_enable_hw_features(struct net_device *dev);
1046 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1047 netdev_features_t qeth_features_check(struct sk_buff *skb,
1048 struct net_device *dev,
1049 netdev_features_t features);
1050 int qeth_vm_request_mac(struct qeth_card *card);
1051 int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1052 struct qeth_qdio_out_q *queue, int ipv, int cast_type,
1053 void (*fill_header)(struct qeth_card *card, struct qeth_hdr *hdr,
1054 struct sk_buff *skb, int ipv, int cast_type,
1055 unsigned int data_len));
1057 /* exports for OSN */
1058 int qeth_osn_assist(struct net_device *, void *, int);
1059 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
1060 int (*assist_cb)(struct net_device *, void *),
1061 int (*data_cb)(struct sk_buff *));
1062 void qeth_osn_deregister(struct net_device *);
1064 #endif /* __QETH_CORE_H__ */