1 /*
2  * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
3  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  */
33 
34 #ifndef __NES_H
35 #define __NES_H
36 
37 #include <linux/netdevice.h>
38 #include <linux/inetdevice.h>
39 #include <linux/spinlock.h>
40 #include <linux/kernel.h>
41 #include <linux/delay.h>
42 #include <linux/pci.h>
43 #include <linux/dma-mapping.h>
44 #include <linux/workqueue.h>
45 #include <linux/slab.h>
46 #include <asm/io.h>
47 #include <linux/crc32c.h>
48 
49 #include <rdma/ib_smi.h>
50 #include <rdma/ib_verbs.h>
51 #include <rdma/ib_pack.h>
52 #include <rdma/rdma_cm.h>
53 #include <rdma/iw_cm.h>
54 
55 #define NES_SEND_FIRST_WRITE
56 
57 #define QUEUE_DISCONNECTS
58 
59 #define DRV_NAME    "iw_nes"
60 #define DRV_VERSION "1.5.0.0"
61 #define PFX         DRV_NAME ": "
62 
63 /*
64  * NetEffect PCI vendor id and NE010 PCI device id.
65  */
66 #ifndef PCI_VENDOR_ID_NETEFFECT	/* not in pci.ids yet */
67 #define PCI_VENDOR_ID_NETEFFECT          0x1678
68 #define PCI_DEVICE_ID_NETEFFECT_NE020    0x0100
69 #define PCI_DEVICE_ID_NETEFFECT_NE020_KR 0x0110
70 #endif
71 
72 #define NE020_REV   4
73 #define NE020_REV1  5
74 
75 #define BAR_0       0
76 #define BAR_1       2
77 
78 #define RX_BUF_SIZE             (1536 + 8)
79 #define NES_REG0_SIZE           (4 * 1024)
80 #define NES_TX_TIMEOUT          (6*HZ)
81 #define NES_FIRST_QPN           64
82 #define NES_SW_CONTEXT_ALIGN    1024
83 
84 #define NES_NIC_MAX_NICS        16
85 #define NES_MAX_ARP_TABLE_SIZE  4096
86 
87 #define NES_NIC_CEQ_SIZE        8
88 /* NICs will be on a separate CQ */
89 #define NES_CCEQ_SIZE ((nesadapter->max_cq / nesadapter->port_count) - 32)
90 
91 #define NES_MAX_PORT_COUNT 4
92 
93 #define MAX_DPC_ITERATIONS               128
94 
95 #define NES_DRV_OPT_ENABLE_MPA_VER_0     0x00000001
96 #define NES_DRV_OPT_DISABLE_MPA_CRC      0x00000002
97 #define NES_DRV_OPT_DISABLE_FIRST_WRITE  0x00000004
98 #define NES_DRV_OPT_DISABLE_INTF         0x00000008
99 #define NES_DRV_OPT_ENABLE_MSI           0x00000010
100 #define NES_DRV_OPT_DUAL_LOGICAL_PORT    0x00000020
101 #define NES_DRV_OPT_SUPRESS_OPTION_BC    0x00000040
102 #define NES_DRV_OPT_NO_INLINE_DATA       0x00000080
103 #define NES_DRV_OPT_DISABLE_INT_MOD      0x00000100
104 #define NES_DRV_OPT_DISABLE_VIRT_WQ      0x00000200
105 #define NES_DRV_OPT_ENABLE_PAU           0x00000400
106 
107 #define NES_AEQ_EVENT_TIMEOUT         2500
108 #define NES_DISCONNECT_EVENT_TIMEOUT  2000
109 
110 /* debug levels */
111 /* must match userspace */
112 #define NES_DBG_HW          0x00000001
113 #define NES_DBG_INIT        0x00000002
114 #define NES_DBG_ISR         0x00000004
115 #define NES_DBG_PHY         0x00000008
116 #define NES_DBG_NETDEV      0x00000010
117 #define NES_DBG_CM          0x00000020
118 #define NES_DBG_CM1         0x00000040
119 #define NES_DBG_NIC_RX      0x00000080
120 #define NES_DBG_NIC_TX      0x00000100
121 #define NES_DBG_CQP         0x00000200
122 #define NES_DBG_MMAP        0x00000400
123 #define NES_DBG_MR          0x00000800
124 #define NES_DBG_PD          0x00001000
125 #define NES_DBG_CQ          0x00002000
126 #define NES_DBG_QP          0x00004000
127 #define NES_DBG_MOD_QP      0x00008000
128 #define NES_DBG_AEQ         0x00010000
129 #define NES_DBG_IW_RX       0x00020000
130 #define NES_DBG_IW_TX       0x00040000
131 #define NES_DBG_SHUTDOWN    0x00080000
132 #define NES_DBG_PAU         0x00100000
133 #define NES_DBG_RSVD1       0x10000000
134 #define NES_DBG_RSVD2       0x20000000
135 #define NES_DBG_RSVD3       0x40000000
136 #define NES_DBG_RSVD4       0x80000000
137 #define NES_DBG_ALL         0xffffffff
138 
139 #ifdef CONFIG_INFINIBAND_NES_DEBUG
140 #define nes_debug(level, fmt, args...) \
141 do { \
142 	if (level & nes_debug_level) \
143 		printk(KERN_ERR PFX "%s[%u]: " fmt, __func__, __LINE__, ##args); \
144 } while (0)
145 
146 #define assert(expr) \
147 do { \
148 	if (!(expr)) { \
149 		printk(KERN_ERR PFX "Assertion failed! %s, %s, %s, line %d\n", \
150 			   #expr, __FILE__, __func__, __LINE__); \
151 	} \
152 } while (0)
153 
154 #define NES_EVENT_TIMEOUT   1200000
155 #else
156 #define nes_debug(level, fmt, args...)
157 #define assert(expr)          do {} while (0)
158 
159 #define NES_EVENT_TIMEOUT   100000
160 #endif
161 
162 #include "nes_hw.h"
163 #include "nes_verbs.h"
164 #include "nes_context.h"
165 #include "nes_user.h"
166 #include "nes_cm.h"
167 #include "nes_mgt.h"
168 
169 extern int max_mtu;
170 #define max_frame_len (max_mtu+ETH_HLEN)
171 extern int interrupt_mod_interval;
172 extern int nes_if_count;
173 extern int mpa_version;
174 extern int disable_mpa_crc;
175 extern unsigned int send_first;
176 extern unsigned int nes_drv_opt;
177 extern unsigned int nes_debug_level;
178 extern unsigned int wqm_quanta;
179 extern struct list_head nes_adapter_list;
180 
181 extern atomic_t cm_connects;
182 extern atomic_t cm_accepts;
183 extern atomic_t cm_disconnects;
184 extern atomic_t cm_closes;
185 extern atomic_t cm_connecteds;
186 extern atomic_t cm_connect_reqs;
187 extern atomic_t cm_rejects;
188 extern atomic_t mod_qp_timouts;
189 extern atomic_t qps_created;
190 extern atomic_t qps_destroyed;
191 extern atomic_t sw_qps_destroyed;
192 extern u32 mh_detected;
193 extern u32 mh_pauses_sent;
194 extern u32 cm_packets_sent;
195 extern u32 cm_packets_bounced;
196 extern u32 cm_packets_created;
197 extern u32 cm_packets_received;
198 extern u32 cm_packets_dropped;
199 extern u32 cm_packets_retrans;
200 extern atomic_t cm_listens_created;
201 extern atomic_t cm_listens_destroyed;
202 extern u32 cm_backlog_drops;
203 extern atomic_t cm_loopbacks;
204 extern atomic_t cm_nodes_created;
205 extern atomic_t cm_nodes_destroyed;
206 extern atomic_t cm_accel_dropped_pkts;
207 extern atomic_t cm_resets_recvd;
208 extern atomic_t pau_qps_created;
209 extern atomic_t pau_qps_destroyed;
210 
211 extern u32 int_mod_timer_init;
212 extern u32 int_mod_cq_depth_256;
213 extern u32 int_mod_cq_depth_128;
214 extern u32 int_mod_cq_depth_32;
215 extern u32 int_mod_cq_depth_24;
216 extern u32 int_mod_cq_depth_16;
217 extern u32 int_mod_cq_depth_4;
218 extern u32 int_mod_cq_depth_1;
219 
220 struct nes_device {
221 	struct nes_adapter	   *nesadapter;
222 	void __iomem           *regs;
223 	void __iomem           *index_reg;
224 	struct pci_dev         *pcidev;
225 	struct net_device      *netdev[NES_NIC_MAX_NICS];
226 	u64                    link_status_interrupts;
227 	struct tasklet_struct  dpc_tasklet;
228 	spinlock_t             indexed_regs_lock;
229 	unsigned long          csr_start;
230 	unsigned long          doorbell_region;
231 	unsigned long          doorbell_start;
232 	unsigned long          mac_tx_errors;
233 	unsigned long          mac_pause_frames_sent;
234 	unsigned long          mac_pause_frames_received;
235 	unsigned long          mac_rx_errors;
236 	unsigned long          mac_rx_crc_errors;
237 	unsigned long          mac_rx_symbol_err_frames;
238 	unsigned long          mac_rx_jabber_frames;
239 	unsigned long          mac_rx_oversized_frames;
240 	unsigned long          mac_rx_short_frames;
241 	unsigned long          port_rx_discards;
242 	unsigned long          port_tx_discards;
243 	unsigned int           mac_index;
244 	unsigned int           nes_stack_start;
245 
246 	/* Control Structures */
247 	void                   *cqp_vbase;
248 	dma_addr_t             cqp_pbase;
249 	u32                    cqp_mem_size;
250 	u8                     ceq_index;
251 	u8                     nic_ceq_index;
252 	struct nes_hw_cqp      cqp;
253 	struct nes_hw_cq       ccq;
254 	struct list_head       cqp_avail_reqs;
255 	struct list_head       cqp_pending_reqs;
256 	struct nes_cqp_request *nes_cqp_requests;
257 
258 	u32                    int_req;
259 	u32                    int_stat;
260 	u32                    timer_int_req;
261 	u32                    timer_only_int_count;
262 	u32                    intf_int_req;
263 	u32                    last_mac_tx_pauses;
264 	u32                    last_used_chunks_tx;
265 	struct list_head       list;
266 
267 	u16                    base_doorbell_index;
268 	u16                    currcq_count;
269 	u16                    deepcq_count;
270 	u8                     iw_status;
271 	u8                     msi_enabled;
272 	u8                     netdev_count;
273 	u8                     napi_isr_ran;
274 	u8                     disable_rx_flow_control;
275 	u8                     disable_tx_flow_control;
276 
277 	struct delayed_work    work;
278 	u8                     link_recheck;
279 };
280 
281 /* Receive skb private area - must fit in skb->cb area */
282 struct nes_rskb_cb {
283 	u64                    busaddr;
284 	u32                    maplen;
285 	u32                    seqnum;
286 	u8                     *data_start;
287 	struct nes_qp          *nesqp;
288 };
289 
get_crc_value(struct nes_v4_quad * nes_quad)290 static inline __le32 get_crc_value(struct nes_v4_quad *nes_quad)
291 {
292 	u32 crc_value;
293 	crc_value = crc32c(~0, (void *)nes_quad, sizeof (struct nes_v4_quad));
294 
295 	/*
296 	 * With commit ef19454b ("[LIB] crc32c: Keep intermediate crc
297 	 * state in cpu order"), behavior of crc32c changes on
298 	 * big-endian platforms.  Our algorithm expects the previous
299 	 * behavior; otherwise we have RDMA connection establishment
300 	 * issue on big-endian.
301 	 */
302 	return cpu_to_le32(crc_value);
303 }
304 
305 static inline void
set_wqe_64bit_value(__le32 * wqe_words,u32 index,u64 value)306 set_wqe_64bit_value(__le32 *wqe_words, u32 index, u64 value)
307 {
308 	wqe_words[index]     = cpu_to_le32((u32) value);
309 	wqe_words[index + 1] = cpu_to_le32(upper_32_bits(value));
310 }
311 
312 static inline void
set_wqe_32bit_value(__le32 * wqe_words,u32 index,u32 value)313 set_wqe_32bit_value(__le32 *wqe_words, u32 index, u32 value)
314 {
315 	wqe_words[index] = cpu_to_le32(value);
316 }
317 
318 static inline void
nes_fill_init_cqp_wqe(struct nes_hw_cqp_wqe * cqp_wqe,struct nes_device * nesdev)319 nes_fill_init_cqp_wqe(struct nes_hw_cqp_wqe *cqp_wqe, struct nes_device *nesdev)
320 {
321 	cqp_wqe->wqe_words[NES_CQP_WQE_COMP_CTX_LOW_IDX]       = 0;
322 	cqp_wqe->wqe_words[NES_CQP_WQE_COMP_CTX_HIGH_IDX]      = 0;
323 	cqp_wqe->wqe_words[NES_CQP_WQE_COMP_SCRATCH_LOW_IDX]   = 0;
324 	cqp_wqe->wqe_words[NES_CQP_WQE_COMP_SCRATCH_HIGH_IDX]  = 0;
325 	cqp_wqe->wqe_words[NES_CQP_STAG_WQE_PBL_BLK_COUNT_IDX] = 0;
326 	cqp_wqe->wqe_words[NES_CQP_STAG_WQE_PBL_LEN_IDX]       = 0;
327 	cqp_wqe->wqe_words[NES_CQP_STAG_WQE_LEN_LOW_IDX]       = 0;
328 	cqp_wqe->wqe_words[NES_CQP_STAG_WQE_PA_LOW_IDX]        = 0;
329 	cqp_wqe->wqe_words[NES_CQP_STAG_WQE_PA_HIGH_IDX]       = 0;
330 }
331 
332 static inline void
nes_fill_init_qp_wqe(struct nes_hw_qp_wqe * wqe,struct nes_qp * nesqp,u32 head)333 nes_fill_init_qp_wqe(struct nes_hw_qp_wqe *wqe, struct nes_qp *nesqp, u32 head)
334 {
335 	u32 value;
336 	value = ((u32)((unsigned long) nesqp)) | head;
337 	set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_COMP_CTX_HIGH_IDX,
338 			(u32)(upper_32_bits((unsigned long)(nesqp))));
339 	set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_COMP_CTX_LOW_IDX, value);
340 }
341 
342 /* Read from memory-mapped device */
nes_read_indexed(struct nes_device * nesdev,u32 reg_index)343 static inline u32 nes_read_indexed(struct nes_device *nesdev, u32 reg_index)
344 {
345 	unsigned long flags;
346 	void __iomem *addr = nesdev->index_reg;
347 	u32 value;
348 
349 	spin_lock_irqsave(&nesdev->indexed_regs_lock, flags);
350 
351 	writel(reg_index, addr);
352 	value = readl((void __iomem *)addr + 4);
353 
354 	spin_unlock_irqrestore(&nesdev->indexed_regs_lock, flags);
355 	return value;
356 }
357 
nes_read32(const void __iomem * addr)358 static inline u32 nes_read32(const void __iomem *addr)
359 {
360 	return readl(addr);
361 }
362 
nes_read16(const void __iomem * addr)363 static inline u16 nes_read16(const void __iomem *addr)
364 {
365 	return readw(addr);
366 }
367 
nes_read8(const void __iomem * addr)368 static inline u8 nes_read8(const void __iomem *addr)
369 {
370 	return readb(addr);
371 }
372 
373 /* Write to memory-mapped device */
nes_write_indexed(struct nes_device * nesdev,u32 reg_index,u32 val)374 static inline void nes_write_indexed(struct nes_device *nesdev, u32 reg_index, u32 val)
375 {
376 	unsigned long flags;
377 	void __iomem *addr = nesdev->index_reg;
378 
379 	spin_lock_irqsave(&nesdev->indexed_regs_lock, flags);
380 
381 	writel(reg_index, addr);
382 	writel(val, (void __iomem *)addr + 4);
383 
384 	spin_unlock_irqrestore(&nesdev->indexed_regs_lock, flags);
385 }
386 
nes_write32(void __iomem * addr,u32 val)387 static inline void nes_write32(void __iomem *addr, u32 val)
388 {
389 	writel(val, addr);
390 }
391 
nes_write16(void __iomem * addr,u16 val)392 static inline void nes_write16(void __iomem *addr, u16 val)
393 {
394 	writew(val, addr);
395 }
396 
nes_write8(void __iomem * addr,u8 val)397 static inline void nes_write8(void __iomem *addr, u8 val)
398 {
399 	writeb(val, addr);
400 }
401 
402 
403 
nes_alloc_resource(struct nes_adapter * nesadapter,unsigned long * resource_array,u32 max_resources,u32 * req_resource_num,u32 * next)404 static inline int nes_alloc_resource(struct nes_adapter *nesadapter,
405 		unsigned long *resource_array, u32 max_resources,
406 		u32 *req_resource_num, u32 *next)
407 {
408 	unsigned long flags;
409 	u32 resource_num;
410 
411 	spin_lock_irqsave(&nesadapter->resource_lock, flags);
412 
413 	resource_num = find_next_zero_bit(resource_array, max_resources, *next);
414 	if (resource_num >= max_resources) {
415 		resource_num = find_first_zero_bit(resource_array, max_resources);
416 		if (resource_num >= max_resources) {
417 			printk(KERN_ERR PFX "%s: No available resourcess.\n", __func__);
418 			spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
419 			return -EMFILE;
420 		}
421 	}
422 	set_bit(resource_num, resource_array);
423 	*next = resource_num+1;
424 	if (*next == max_resources) {
425 		*next = 0;
426 	}
427 	spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
428 	*req_resource_num = resource_num;
429 
430 	return 0;
431 }
432 
nes_is_resource_allocated(struct nes_adapter * nesadapter,unsigned long * resource_array,u32 resource_num)433 static inline int nes_is_resource_allocated(struct nes_adapter *nesadapter,
434 		unsigned long *resource_array, u32 resource_num)
435 {
436 	unsigned long flags;
437 	int bit_is_set;
438 
439 	spin_lock_irqsave(&nesadapter->resource_lock, flags);
440 
441 	bit_is_set = test_bit(resource_num, resource_array);
442 	nes_debug(NES_DBG_HW, "resource_num %u is%s allocated.\n",
443 			resource_num, (bit_is_set ? "": " not"));
444 	spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
445 
446 	return bit_is_set;
447 }
448 
nes_free_resource(struct nes_adapter * nesadapter,unsigned long * resource_array,u32 resource_num)449 static inline void nes_free_resource(struct nes_adapter *nesadapter,
450 		unsigned long *resource_array, u32 resource_num)
451 {
452 	unsigned long flags;
453 
454 	spin_lock_irqsave(&nesadapter->resource_lock, flags);
455 	clear_bit(resource_num, resource_array);
456 	spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
457 }
458 
to_nesvnic(struct ib_device * ibdev)459 static inline struct nes_vnic *to_nesvnic(struct ib_device *ibdev)
460 {
461 	return container_of(ibdev, struct nes_ib_device, ibdev)->nesvnic;
462 }
463 
to_nespd(struct ib_pd * ibpd)464 static inline struct nes_pd *to_nespd(struct ib_pd *ibpd)
465 {
466 	return container_of(ibpd, struct nes_pd, ibpd);
467 }
468 
to_nesucontext(struct ib_ucontext * ibucontext)469 static inline struct nes_ucontext *to_nesucontext(struct ib_ucontext *ibucontext)
470 {
471 	return container_of(ibucontext, struct nes_ucontext, ibucontext);
472 }
473 
to_nesmr(struct ib_mr * ibmr)474 static inline struct nes_mr *to_nesmr(struct ib_mr *ibmr)
475 {
476 	return container_of(ibmr, struct nes_mr, ibmr);
477 }
478 
to_nesmr_from_ibfmr(struct ib_fmr * ibfmr)479 static inline struct nes_mr *to_nesmr_from_ibfmr(struct ib_fmr *ibfmr)
480 {
481 	return container_of(ibfmr, struct nes_mr, ibfmr);
482 }
483 
to_nesmw(struct ib_mw * ibmw)484 static inline struct nes_mr *to_nesmw(struct ib_mw *ibmw)
485 {
486 	return container_of(ibmw, struct nes_mr, ibmw);
487 }
488 
to_nesfmr(struct nes_mr * nesmr)489 static inline struct nes_fmr *to_nesfmr(struct nes_mr *nesmr)
490 {
491 	return container_of(nesmr, struct nes_fmr, nesmr);
492 }
493 
to_nescq(struct ib_cq * ibcq)494 static inline struct nes_cq *to_nescq(struct ib_cq *ibcq)
495 {
496 	return container_of(ibcq, struct nes_cq, ibcq);
497 }
498 
to_nesqp(struct ib_qp * ibqp)499 static inline struct nes_qp *to_nesqp(struct ib_qp *ibqp)
500 {
501 	return container_of(ibqp, struct nes_qp, ibqp);
502 }
503 
504 
505 
506 /* nes.c */
507 void nes_add_ref(struct ib_qp *);
508 void nes_rem_ref(struct ib_qp *);
509 struct ib_qp *nes_get_qp(struct ib_device *, int);
510 
511 
512 /* nes_hw.c */
513 struct nes_adapter *nes_init_adapter(struct nes_device *, u8);
514 void  nes_nic_init_timer_defaults(struct nes_device *, u8);
515 void nes_destroy_adapter(struct nes_adapter *);
516 int nes_init_cqp(struct nes_device *);
517 int nes_init_phy(struct nes_device *);
518 int nes_init_nic_qp(struct nes_device *, struct net_device *);
519 void nes_destroy_nic_qp(struct nes_vnic *);
520 int nes_napi_isr(struct nes_device *);
521 void nes_dpc(unsigned long);
522 void nes_nic_ce_handler(struct nes_device *, struct nes_hw_nic_cq *);
523 void nes_iwarp_ce_handler(struct nes_device *, struct nes_hw_cq *);
524 int nes_destroy_cqp(struct nes_device *);
525 int nes_nic_cm_xmit(struct sk_buff *, struct net_device *);
526 void nes_recheck_link_status(struct work_struct *work);
527 void nes_terminate_timeout(unsigned long context);
528 
529 /* nes_nic.c */
530 struct net_device *nes_netdev_init(struct nes_device *, void __iomem *);
531 void nes_netdev_destroy(struct net_device *);
532 int nes_nic_cm_xmit(struct sk_buff *, struct net_device *);
533 
534 /* nes_cm.c */
535 void *nes_cm_create(struct net_device *);
536 int nes_cm_recv(struct sk_buff *, struct net_device *);
537 void nes_update_arp(unsigned char *, u32, u32, u16, u16);
538 void nes_manage_arp_cache(struct net_device *, unsigned char *, u32, u32);
539 void nes_sock_release(struct nes_qp *, unsigned long *);
540 void flush_wqes(struct nes_device *nesdev, struct nes_qp *, u32, u32);
541 int nes_manage_apbvt(struct nes_vnic *, u32, u32, u32);
542 int nes_cm_disconn(struct nes_qp *);
543 void nes_cm_disconn_worker(void *);
544 
545 /* nes_verbs.c */
546 int nes_hw_modify_qp(struct nes_device *, struct nes_qp *, u32, u32, u32);
547 int nes_modify_qp(struct ib_qp *, struct ib_qp_attr *, int, struct ib_udata *);
548 struct nes_ib_device *nes_init_ofa_device(struct net_device *);
549 void  nes_port_ibevent(struct nes_vnic *nesvnic);
550 void nes_destroy_ofa_device(struct nes_ib_device *);
551 int nes_register_ofa_device(struct nes_ib_device *);
552 
553 /* nes_util.c */
554 int nes_read_eeprom_values(struct nes_device *, struct nes_adapter *);
555 void nes_write_1G_phy_reg(struct nes_device *, u8, u8, u16);
556 void nes_read_1G_phy_reg(struct nes_device *, u8, u8, u16 *);
557 void nes_write_10G_phy_reg(struct nes_device *, u16, u8, u16, u16);
558 void nes_read_10G_phy_reg(struct nes_device *, u8, u8, u16);
559 struct nes_cqp_request *nes_get_cqp_request(struct nes_device *);
560 void nes_free_cqp_request(struct nes_device *nesdev,
561 			  struct nes_cqp_request *cqp_request);
562 void nes_put_cqp_request(struct nes_device *nesdev,
563 			 struct nes_cqp_request *cqp_request);
564 void nes_post_cqp_request(struct nes_device *, struct nes_cqp_request *);
565 int nes_arp_table(struct nes_device *, u32, u8 *, u32);
566 void nes_mh_fix(unsigned long);
567 void nes_clc(unsigned long);
568 void nes_dump_mem(unsigned int, void *, int);
569 u32 nes_crc32(u32, u32, u32, u32, u8 *, u32, u32, u32);
570 
571 #endif	/* __NES_H */
572