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__
13 #include <linux/completion.h>
15 #include <linux/if_arp.h>
16 #include <linux/etherdevice.h>
17 #include <linux/if_vlan.h>
18 #include <linux/ctype.h>
19 #include <linux/in6.h>
20 #include <linux/bitops.h>
21 #include <linux/seq_file.h>
22 #include <linux/hashtable.h>
24 #include <linux/refcount.h>
25 #include <linux/wait.h>
26 #include <linux/workqueue.h>
29 #include <net/ip6_fib.h>
31 #include <net/if_inet6.h>
32 #include <net/addrconf.h>
35 #include <asm/debug.h>
37 #include <asm/ccwdev.h>
38 #include <asm/ccwgroup.h>
39 #include <asm/sysinfo.h>
41 #include <uapi/linux/if_link.h>
43 #include "qeth_core_mpc.h"
46 * Debug Facility stuff
52 QETH_DBF_INFOS /* must be last element */
55 struct qeth_dbf_info {
56 char name[DEBUG_MAX_NAME_LEN];
61 struct debug_view *view;
65 #define QETH_DBF_CTRL_LEN 256U
67 #define QETH_DBF_TEXT(name, level, text) \
68 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
70 #define QETH_DBF_HEX(name, level, addr, len) \
71 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
73 #define QETH_DBF_MESSAGE(level, text...) \
74 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
76 #define QETH_DBF_TEXT_(name, level, text...) \
77 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
79 #define QETH_CARD_TEXT(card, level, text) \
80 debug_text_event(card->debug, level, text)
82 #define QETH_CARD_HEX(card, level, addr, len) \
83 debug_event(card->debug, level, (void *)(addr), len)
85 #define QETH_CARD_MESSAGE(card, text...) \
86 debug_sprintf_event(card->debug, level, text)
88 #define QETH_CARD_TEXT_(card, level, text...) \
89 qeth_dbf_longtext(card->debug, level, text)
91 #define SENSE_COMMAND_REJECT_BYTE 0
92 #define SENSE_COMMAND_REJECT_FLAG 0x80
93 #define SENSE_RESETTING_EVENT_BYTE 1
94 #define SENSE_RESETTING_EVENT_FLAG 0x80
96 static inline u32 qeth_get_device_id(struct ccw_device *cdev)
98 struct ccw_dev_id dev_id;
101 ccw_device_get_id(cdev, &dev_id);
103 id |= (u32) (dev_id.ssid << 16);
109 * Common IO related definitions
111 #define CARD_RDEV(card) card->read.ccwdev
112 #define CARD_WDEV(card) card->write.ccwdev
113 #define CARD_DDEV(card) card->data.ccwdev
114 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
115 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
116 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
117 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
118 #define CCW_DEVID(cdev) (qeth_get_device_id(cdev))
119 #define CARD_DEVID(card) (CCW_DEVID(CARD_RDEV(card)))
122 struct qeth_routing_info {
123 enum qeth_routing_types type;
127 struct qeth_ipa_info {
128 __u32 supported_funcs;
132 /* SETBRIDGEPORT stuff */
133 enum qeth_sbp_roles {
134 QETH_SBP_ROLE_NONE = 0,
135 QETH_SBP_ROLE_PRIMARY = 1,
136 QETH_SBP_ROLE_SECONDARY = 2,
139 enum qeth_sbp_states {
140 QETH_SBP_STATE_INACTIVE = 0,
141 QETH_SBP_STATE_STANDBY = 1,
142 QETH_SBP_STATE_ACTIVE = 2,
145 #define QETH_SBP_HOST_NOTIFICATION 1
147 struct qeth_sbp_info {
148 __u32 supported_funcs;
149 enum qeth_sbp_roles role;
150 __u32 hostnotification:1;
151 __u32 reflect_promisc:1;
152 __u32 reflect_promisc_primary:1;
155 struct qeth_vnicc_info {
156 /* supported/currently configured VNICCs; updated in IPA exchanges */
159 /* supported commands: bitmasks which VNICCs support respective cmd */
161 u32 getset_timeout_sup;
162 /* timeout value for the learning characteristic */
163 u32 learning_timeout;
164 /* characteristics wanted/configured by user */
166 /* has user explicitly enabled rx_bcast while online? */
167 bool rx_bcast_enabled;
170 static inline int qeth_is_adp_supported(struct qeth_ipa_info *ipa,
171 enum qeth_ipa_setadp_cmd func)
173 return (ipa->supported_funcs & func);
176 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
177 enum qeth_ipa_funcs func)
179 return (ipa->supported_funcs & func);
182 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
183 enum qeth_ipa_funcs func)
185 return (ipa->supported_funcs & ipa->enabled_funcs & func);
188 #define qeth_adp_supported(c, f) \
189 qeth_is_adp_supported(&c->options.adp, f)
190 #define qeth_is_supported(c, f) \
191 qeth_is_ipa_supported(&c->options.ipa4, f)
192 #define qeth_is_enabled(c, f) \
193 qeth_is_ipa_enabled(&c->options.ipa4, f)
194 #define qeth_is_supported6(c, f) \
195 qeth_is_ipa_supported(&c->options.ipa6, f)
196 #define qeth_is_enabled6(c, f) \
197 qeth_is_ipa_enabled(&c->options.ipa6, f)
198 #define qeth_is_ipafunc_supported(c, prot, f) \
199 ((prot == QETH_PROT_IPV6) ? \
200 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
201 #define qeth_is_ipafunc_enabled(c, prot, f) \
202 ((prot == QETH_PROT_IPV6) ? \
203 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
205 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101
206 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108
208 #define QETH_BUFSIZE 4096
209 #define CCW_CMD_WRITE 0x01
210 #define CCW_CMD_READ 0x02
215 #define QETH_TX_TIMEOUT 100 * HZ
216 #define QETH_RCD_TIMEOUT 60 * HZ
217 #define QETH_RECLAIM_WORK_TIME HZ
218 #define QETH_MAX_PORTNO 15
220 /*IPv6 address autoconfiguration stuff*/
221 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
222 #define UNIQUE_ID_NOT_BY_CARD 0x10000
224 /*****************************************************************************/
225 /* QDIO queue and buffer handling */
226 /*****************************************************************************/
227 #define QETH_MAX_QUEUES 4
228 #define QETH_IQD_MIN_TXQ 2 /* One for ucast, one for mcast. */
229 #define QETH_IQD_MCAST_TXQ 0
230 #define QETH_IQD_MIN_UCAST_TXQ 1
231 #define QETH_IN_BUF_SIZE_DEFAULT 65536
232 #define QETH_IN_BUF_COUNT_DEFAULT 64
233 #define QETH_IN_BUF_COUNT_HSDEFAULT 128
234 #define QETH_IN_BUF_COUNT_MIN 8
235 #define QETH_IN_BUF_COUNT_MAX 128
236 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
237 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
238 ((card)->qdio.in_buf_pool.buf_count / 2)
240 /* buffers we have to be behind before we get a PCI */
241 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
242 /*enqueued free buffers left before we get a PCI*/
243 #define QETH_PCI_THRESHOLD_B(card) 0
244 /*not used unless the microcode gets patched*/
245 #define QETH_PCI_TIMER_VALUE(card) 3
247 /* priority queing */
248 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
249 #define QETH_DEFAULT_QUEUE 2
250 #define QETH_NO_PRIO_QUEUEING 0
251 #define QETH_PRIO_Q_ING_PREC 1
252 #define QETH_PRIO_Q_ING_TOS 2
253 #define QETH_PRIO_Q_ING_SKB 3
254 #define QETH_PRIO_Q_ING_VLAN 4
257 #define QETH_LOW_WATERMARK_PACK 2
258 #define QETH_HIGH_WATERMARK_PACK 5
259 #define QETH_WATERMARK_PACK_FUZZ 1
261 /* large receive scatter gather copy break */
262 #define QETH_RX_SG_CB (PAGE_SIZE >> 1)
263 #define QETH_RX_PULL_LEN 256
265 struct qeth_hdr_layer3 {
268 __u16 inbound_checksum; /*TSO:__u16 seqno */
269 __u32 token; /*TSO: __u32 reserved */
277 struct in6_addr ipv6_addr;
293 struct qeth_hdr_layer2 {
303 } __attribute__ ((packed));
305 struct qeth_hdr_osn {
314 } __attribute__ ((packed));
318 struct qeth_hdr_layer2 l2;
319 struct qeth_hdr_layer3 l3;
320 struct qeth_hdr_osn osn;
322 } __attribute__ ((packed));
324 /*TCP Segmentation Offload header*/
325 struct qeth_hdr_ext_tso {
336 } __attribute__ ((packed));
338 struct qeth_hdr_tso {
339 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
340 struct qeth_hdr_ext_tso ext;
341 } __attribute__ ((packed));
344 /* flags for qeth_hdr.flags */
345 #define QETH_HDR_PASSTHRU 0x10
346 #define QETH_HDR_IPV6 0x80
347 #define QETH_HDR_CAST_MASK 0x07
348 enum qeth_cast_flags {
349 QETH_CAST_UNICAST = 0x06,
350 QETH_CAST_MULTICAST = 0x04,
351 QETH_CAST_BROADCAST = 0x05,
352 QETH_CAST_ANYCAST = 0x07,
353 QETH_CAST_NOCAST = 0x00,
356 enum qeth_layer2_frame_flags {
357 QETH_LAYER2_FLAG_MULTICAST = 0x01,
358 QETH_LAYER2_FLAG_BROADCAST = 0x02,
359 QETH_LAYER2_FLAG_UNICAST = 0x04,
360 QETH_LAYER2_FLAG_VLAN = 0x10,
363 enum qeth_header_ids {
364 QETH_HEADER_TYPE_LAYER3 = 0x01,
365 QETH_HEADER_TYPE_LAYER2 = 0x02,
366 QETH_HEADER_TYPE_L3_TSO = 0x03,
367 QETH_HEADER_TYPE_OSN = 0x04,
368 QETH_HEADER_TYPE_L2_TSO = 0x06,
370 /* flags for qeth_hdr.ext_flags */
371 #define QETH_HDR_EXT_VLAN_FRAME 0x01
372 #define QETH_HDR_EXT_TOKEN_ID 0x02
373 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
374 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
375 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
376 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
377 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
379 enum qeth_qdio_info_states {
380 QETH_QDIO_UNINITIALIZED,
382 QETH_QDIO_ESTABLISHED,
386 struct qeth_buffer_pool_entry {
387 struct list_head list;
388 struct list_head init_list;
389 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
392 struct qeth_qdio_buffer_pool {
393 struct list_head entry_list;
397 struct qeth_qdio_buffer {
398 struct qdio_buffer *buffer;
399 /* the buffer pool entry currently associated to this buffer */
400 struct qeth_buffer_pool_entry *pool_entry;
401 struct sk_buff *rx_skb;
405 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
406 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
407 int next_buf_to_init;
410 enum qeth_qdio_out_buffer_state {
411 /* Owned by driver, in order to be filled. */
413 /* Filled by driver; owned by hardware in order to be sent. */
414 QETH_QDIO_BUF_PRIMED,
415 /* Identified to be pending in TPQ. */
416 QETH_QDIO_BUF_PENDING,
417 /* Found in completion queue. */
419 /* Handled via transfer pending / completion queue. */
420 QETH_QDIO_BUF_HANDLED_DELAYED,
423 struct qeth_qdio_out_buffer {
424 struct qdio_buffer *buffer;
426 int next_element_to_fill;
427 struct sk_buff_head skb_list;
428 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER];
430 struct qeth_qdio_out_q *q;
431 struct qeth_qdio_out_buffer *next_pending;
436 enum qeth_out_q_states {
439 QETH_OUT_Q_LOCKED_FLUSH,
442 #define QETH_CARD_STAT_ADD(_c, _stat, _val) ((_c)->stats._stat += (_val))
443 #define QETH_CARD_STAT_INC(_c, _stat) QETH_CARD_STAT_ADD(_c, _stat, 1)
445 #define QETH_TXQ_STAT_ADD(_q, _stat, _val) ((_q)->stats._stat += (_val))
446 #define QETH_TXQ_STAT_INC(_q, _stat) QETH_TXQ_STAT_ADD(_q, _stat, 1)
448 struct qeth_card_stats {
453 u64 rx_sg_alloc_page;
455 /* rtnl_link_stats64 */
463 struct qeth_out_q_stats {
472 u64 skbs_linearized_fail;
474 u64 packing_mode_switch;
477 /* rtnl_link_stats64 */
484 struct qeth_qdio_out_q {
485 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
486 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
487 struct qdio_outbuf_state *bufstates; /* convenience pointer */
488 struct qeth_out_q_stats stats;
493 struct qeth_card *card;
496 * number of buffers that are currently filled (PRIMED)
497 * -> these buffers are hardware-owned
499 atomic_t used_buffers;
500 /* indicates whether PCI flag must be set (or if one is outstanding) */
501 atomic_t set_pci_flags_count;
504 static inline bool qeth_out_queue_is_full(struct qeth_qdio_out_q *queue)
506 return atomic_read(&queue->used_buffers) >= QDIO_MAX_BUFFERS_PER_Q;
509 struct qeth_qdio_info {
513 struct qeth_qdio_q *in_q;
514 struct qeth_qdio_q *c_q;
515 struct qeth_qdio_buffer_pool in_buf_pool;
516 struct qeth_qdio_buffer_pool init_pool;
521 struct qeth_qdio_out_q *out_qs[QETH_MAX_QUEUES];
522 struct qdio_outbuf_state *out_bufstates;
524 /* priority queueing */
525 int do_prio_queueing;
526 int default_out_queue;
530 * channel state machine
532 enum qeth_channel_states {
541 enum qeth_card_states {
543 CARD_STATE_HARDSETUP,
544 CARD_STATE_SOFTSETUP,
550 enum qeth_prot_versions {
551 QETH_PROT_NONE = 0x0000,
552 QETH_PROT_IPV4 = 0x0004,
553 QETH_PROT_IPV6 = 0x0006,
557 QETH_CQ_DISABLED = 0,
559 QETH_CQ_NOTAVAILABLE = 2,
566 struct list_head entries;
569 struct qeth_channel {
570 struct ccw_device *ccwdev;
571 enum qeth_channel_states state;
572 atomic_t irq_pending;
575 struct qeth_cmd_buffer {
577 refcount_t ref_count;
578 struct qeth_channel *channel;
579 struct qeth_reply *reply;
582 void (*finalize)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
583 void (*callback)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
586 static inline void qeth_get_cmd(struct qeth_cmd_buffer *iob)
588 refcount_inc(&iob->ref_count);
591 static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
593 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
596 static inline struct ccw1 *__ccw_from_cmd(struct qeth_cmd_buffer *iob)
598 return (struct ccw1 *)(iob->data + ALIGN(iob->length, 8));
601 static inline bool qeth_trylock_channel(struct qeth_channel *channel)
603 return atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0;
607 * OSA card related definitions
614 __u32 cm_connection_w;
615 __u32 cm_connection_r;
618 __u32 ulp_connection_w;
619 __u32 ulp_connection_r;
630 struct list_head list;
631 struct completion received;
633 int (*callback)(struct qeth_card *, struct qeth_reply *,
636 unsigned long offset;
642 struct qeth_card_blkt {
645 int inter_packet_jumbo;
648 #define QETH_BROADCAST_WITH_ECHO 0x01
649 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
650 #define QETH_LAYER2_MAC_REGISTERED 0x02
651 struct qeth_card_info {
652 unsigned short unit_addr2;
654 unsigned short chpid;
656 char mcl_level[QETH_MCL_LENGTH + 1];
657 u8 open_when_online:1;
661 enum qeth_card_types type;
662 enum qeth_link_types link_type;
663 int broadcast_capable;
666 struct qeth_card_blkt blkt;
667 enum qeth_ipa_promisc_modes promisc_mode;
668 __u32 diagass_support;
672 enum qeth_discipline_id {
673 QETH_DISCIPLINE_UNDETERMINED = -1,
674 QETH_DISCIPLINE_LAYER3 = 0,
675 QETH_DISCIPLINE_LAYER2 = 1,
678 struct qeth_card_options {
679 struct qeth_routing_info route4;
680 struct qeth_ipa_info ipa4;
681 struct qeth_ipa_info adp; /*Adapter parameters*/
682 struct qeth_routing_info route6;
683 struct qeth_ipa_info ipa6;
684 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
685 struct qeth_vnicc_info vnicc; /* VNICC options */
687 enum qeth_discipline_id layer;
689 enum qeth_ipa_isolation_modes isolation;
690 enum qeth_ipa_isolation_modes prev_isolation;
696 #define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2)
697 #define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3)
700 * thread bits for qeth_card thread masks
703 QETH_RECOVER_THREAD = 1,
706 struct qeth_osn_info {
707 int (*assist_cb)(struct net_device *dev, void *data);
708 int (*data_cb)(struct sk_buff *skb);
711 struct qeth_discipline {
712 const struct device_type *devtype;
713 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done);
714 int (*recover)(void *ptr);
715 int (*setup) (struct ccwgroup_device *);
716 void (*remove) (struct ccwgroup_device *);
717 int (*set_online) (struct ccwgroup_device *);
718 int (*set_offline) (struct ccwgroup_device *);
719 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd);
720 int (*control_event_handler)(struct qeth_card *card,
721 struct qeth_ipa_cmd *cmd);
724 enum qeth_addr_disposition {
725 QETH_DISP_ADDR_DELETE = 0,
726 QETH_DISP_ADDR_DO_NOTHING = 1,
727 QETH_DISP_ADDR_ADD = 2,
733 struct qdio_buffer_element *b_element;
738 struct carrier_info {
744 struct qeth_switch_info {
749 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
752 enum qeth_card_states state;
754 struct ccwgroup_device *gdev;
755 struct qeth_cmd_buffer *read_cmd;
756 struct qeth_channel read;
757 struct qeth_channel write;
758 struct qeth_channel data;
760 struct net_device *dev;
761 struct qeth_card_stats stats;
762 struct qeth_card_info info;
763 struct qeth_token token;
764 struct qeth_seqno seqno;
765 struct qeth_card_options options;
767 struct workqueue_struct *event_wq;
768 struct workqueue_struct *cmd_wq;
769 wait_queue_head_t wait_q;
770 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
771 DECLARE_HASHTABLE(mac_htable, 4);
772 DECLARE_HASHTABLE(ip_htable, 4);
773 struct mutex ip_lock;
774 DECLARE_HASHTABLE(ip_mc_htable, 4);
775 struct work_struct rx_mode_work;
776 struct work_struct kernel_thread_starter;
777 spinlock_t thread_mask_lock;
778 unsigned long thread_start_mask;
779 unsigned long thread_allowed_mask;
780 unsigned long thread_running_mask;
781 struct qeth_ipato ipato;
782 struct list_head cmd_waiter_list;
783 /* QDIO buffer handling */
784 struct qeth_qdio_info qdio;
785 int read_or_write_problem;
786 struct qeth_osn_info osn_info;
787 struct qeth_discipline *discipline;
788 atomic_t force_alloc_skb;
789 struct service_level qeth_service_level;
790 struct qdio_ssqd_desc ssqd;
792 struct mutex conf_mutex;
793 struct mutex discipline_mutex;
794 struct napi_struct napi;
796 struct delayed_work buffer_reclaim_work;
798 struct work_struct close_dev_work;
801 static inline bool qeth_card_hw_is_reachable(struct qeth_card *card)
803 return card->state == CARD_STATE_SOFTSETUP;
806 struct qeth_trap_id {
814 /*some helper functions*/
815 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
817 static inline bool qeth_netdev_is_registered(struct net_device *dev)
819 return dev->netdev_ops != NULL;
822 static inline u16 qeth_iqd_translate_txq(struct net_device *dev, u16 txq)
824 if (txq == QETH_IQD_MCAST_TXQ)
825 return dev->num_tx_queues - 1;
826 if (txq == dev->num_tx_queues - 1)
827 return QETH_IQD_MCAST_TXQ;
831 static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
832 unsigned int elements)
836 for (i = 0; i < elements; i++)
837 memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
838 buf->element[14].sflags = 0;
839 buf->element[15].sflags = 0;
843 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
844 * @start: Start of the address range.
845 * @end: Address after the end of the range.
847 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
848 * the specified address range.
850 static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
852 return PFN_UP(end) - PFN_DOWN(start);
855 static inline int qeth_get_ip_version(struct sk_buff *skb)
857 struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
858 __be16 prot = veth->h_vlan_proto;
860 if (prot == htons(ETH_P_8021Q))
861 prot = veth->h_vlan_encapsulated_proto;
864 case htons(ETH_P_IPV6):
866 case htons(ETH_P_IP):
873 static inline int qeth_get_ether_cast_type(struct sk_buff *skb)
875 u8 *addr = eth_hdr(skb)->h_dest;
877 if (is_multicast_ether_addr(addr))
878 return is_broadcast_ether_addr(addr) ? RTN_BROADCAST :
883 static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb, int ipv)
885 struct dst_entry *dst = skb_dst(skb);
888 rt = (struct rt6_info *) dst;
890 dst = dst_check(dst, (ipv == 6) ? rt6_get_cookie(rt) : 0);
894 static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb,
897 if ((card->dev->features & NETIF_F_RXCSUM) &&
898 (flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) {
899 skb->ip_summed = CHECKSUM_UNNECESSARY;
900 QETH_CARD_STAT_INC(card, rx_skb_csum);
902 skb->ip_summed = CHECKSUM_NONE;
906 static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, int ipv)
908 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
909 if ((ipv == 4 && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
910 (ipv == 6 && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
911 *flags |= QETH_HDR_EXT_UDP;
914 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
915 struct qeth_buffer_pool_entry *entry)
917 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
920 static inline int qeth_is_diagass_supported(struct qeth_card *card,
921 enum qeth_diags_cmds cmd)
923 return card->info.diagass_support & (__u32)cmd;
926 int qeth_send_simple_setassparms_prot(struct qeth_card *card,
927 enum qeth_ipa_funcs ipa_func,
928 u16 cmd_code, u32 *data,
929 enum qeth_prot_versions prot);
931 static inline int qeth_send_simple_setassparms(struct qeth_card *card,
932 enum qeth_ipa_funcs ipa_func,
933 u16 cmd_code, u32 *data)
935 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
936 data, QETH_PROT_IPV4);
939 static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
940 enum qeth_ipa_funcs ipa_func,
941 u16 cmd_code, u32 *data)
943 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
944 data, QETH_PROT_IPV6);
947 int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb);
949 extern struct qeth_discipline qeth_l2_discipline;
950 extern struct qeth_discipline qeth_l3_discipline;
951 extern const struct ethtool_ops qeth_ethtool_ops;
952 extern const struct ethtool_ops qeth_osn_ethtool_ops;
953 extern const struct attribute_group *qeth_generic_attr_groups[];
954 extern const struct attribute_group *qeth_osn_attr_groups[];
955 extern const struct attribute_group qeth_device_attr_group;
956 extern const struct attribute_group qeth_device_blkt_group;
957 extern const struct device_type qeth_generic_devtype;
959 const char *qeth_get_cardname_short(struct qeth_card *);
960 int qeth_realloc_buffer_pool(struct qeth_card *, int);
961 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
962 void qeth_core_free_discipline(struct qeth_card *);
964 /* exports for qeth discipline device drivers */
965 extern struct kmem_cache *qeth_core_header_cache;
966 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
968 struct net_device *qeth_clone_netdev(struct net_device *orig);
969 struct qeth_card *qeth_get_card_by_busid(char *bus_id);
970 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
971 int qeth_threads_running(struct qeth_card *, unsigned long);
972 int qeth_do_run_thread(struct qeth_card *, unsigned long);
973 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
974 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
975 int qeth_core_hardsetup_card(struct qeth_card *card, bool *carrier_ok);
976 void qeth_print_status_message(struct qeth_card *);
977 int qeth_init_qdio_queues(struct qeth_card *);
978 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
980 (struct qeth_card *, struct qeth_reply *, unsigned long),
982 struct qeth_cmd_buffer *qeth_ipa_alloc_cmd(struct qeth_card *card,
983 enum qeth_ipa_cmds cmd_code,
984 enum qeth_prot_versions prot,
985 unsigned int data_length);
986 struct qeth_cmd_buffer *qeth_alloc_cmd(struct qeth_channel *channel,
987 unsigned int length, unsigned int ccws,
989 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
990 enum qeth_ipa_funcs ipa_func,
992 unsigned int data_length,
993 enum qeth_prot_versions prot);
994 struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
995 enum qeth_diags_cmds sub_cmd,
996 unsigned int data_length);
997 void qeth_put_cmd(struct qeth_cmd_buffer *iob);
999 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
1000 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
1001 struct qeth_hdr **);
1002 void qeth_schedule_recovery(struct qeth_card *);
1003 int qeth_poll(struct napi_struct *napi, int budget);
1004 void qeth_clear_ipacmd_list(struct qeth_card *);
1005 int qeth_qdio_clear_card(struct qeth_card *, int);
1006 void qeth_clear_working_pool_list(struct qeth_card *);
1007 void qeth_drain_output_queues(struct qeth_card *card);
1008 void qeth_setadp_promisc_mode(struct qeth_card *);
1009 int qeth_setadpparms_change_macaddr(struct qeth_card *);
1010 void qeth_tx_timeout(struct net_device *);
1011 void qeth_notify_reply(struct qeth_reply *reply, int reason);
1012 void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1014 int qeth_query_switch_attributes(struct qeth_card *card,
1015 struct qeth_switch_info *sw_info);
1016 int qeth_query_card_info(struct qeth_card *card,
1017 struct carrier_info *carrier_info);
1018 unsigned int qeth_count_elements(struct sk_buff *skb, unsigned int data_offset);
1019 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
1020 struct sk_buff *skb, struct qeth_hdr *hdr,
1021 unsigned int offset, unsigned int hd_len,
1022 int elements_needed);
1023 int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1024 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1025 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
1026 int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1027 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1028 void qeth_trace_features(struct qeth_card *);
1029 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1030 int qeth_set_features(struct net_device *, netdev_features_t);
1031 void qeth_enable_hw_features(struct net_device *dev);
1032 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1033 netdev_features_t qeth_features_check(struct sk_buff *skb,
1034 struct net_device *dev,
1035 netdev_features_t features);
1036 void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
1037 u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
1038 u8 cast_type, struct net_device *sb_dev);
1039 int qeth_open(struct net_device *dev);
1040 int qeth_stop(struct net_device *dev);
1042 int qeth_vm_request_mac(struct qeth_card *card);
1043 int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1044 struct qeth_qdio_out_q *queue, int ipv,
1045 void (*fill_header)(struct qeth_qdio_out_q *queue,
1046 struct qeth_hdr *hdr, struct sk_buff *skb,
1047 int ipv, unsigned int data_len));
1049 /* exports for OSN */
1050 int qeth_osn_assist(struct net_device *, void *, int);
1051 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
1052 int (*assist_cb)(struct net_device *, void *),
1053 int (*data_cb)(struct sk_buff *));
1054 void qeth_osn_deregister(struct net_device *);
1056 #endif /* __QETH_CORE_H__ */