xref: /linux/drivers/net/vmxnet3/vmxnet3_int.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
1 /*
2  * Linux driver for VMware's vmxnet3 ethernet NIC.
3  *
4  * Copyright (C) 2008-2024, VMware, Inc. All Rights Reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU General Public License as published by the
8  * Free Software Foundation; version 2 of the License and no later version.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13  * NON INFRINGEMENT.  See the GNU General Public License for more
14  * details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * The full GNU General Public License is included in this distribution in
21  * the file called "COPYING".
22  *
23  * Maintained by: pv-drivers@vmware.com
24  *
25  */
26 
27 #ifndef _VMXNET3_INT_H
28 #define _VMXNET3_INT_H
29 
30 #include <linux/bitops.h>
31 #include <linux/ethtool.h>
32 #include <linux/delay.h>
33 #include <linux/netdevice.h>
34 #include <linux/pci.h>
35 #include <linux/compiler.h>
36 #include <linux/slab.h>
37 #include <linux/spinlock.h>
38 #include <linux/ioport.h>
39 #include <linux/highmem.h>
40 #include <linux/timer.h>
41 #include <linux/skbuff.h>
42 #include <linux/interrupt.h>
43 #include <linux/workqueue.h>
44 #include <linux/uaccess.h>
45 #include <asm/dma.h>
46 #include <asm/page.h>
47 
48 #include <linux/tcp.h>
49 #include <linux/udp.h>
50 #include <linux/ip.h>
51 #include <linux/ipv6.h>
52 #include <linux/in.h>
53 #include <linux/etherdevice.h>
54 #include <asm/checksum.h>
55 #include <linux/if_vlan.h>
56 #include <linux/if_arp.h>
57 #include <linux/inetdevice.h>
58 #include <linux/log2.h>
59 #include <linux/bpf.h>
60 #include <net/page_pool/helpers.h>
61 #include <net/xdp.h>
62 
63 #include "vmxnet3_defs.h"
64 
65 #ifdef DEBUG
66 # define VMXNET3_DRIVER_VERSION_REPORT VMXNET3_DRIVER_VERSION_STRING"-NAPI(debug)"
67 #else
68 # define VMXNET3_DRIVER_VERSION_REPORT VMXNET3_DRIVER_VERSION_STRING"-NAPI"
69 #endif
70 
71 
72 /*
73  * Version numbers
74  */
75 #define VMXNET3_DRIVER_VERSION_STRING   "1.9.0.0-k"
76 
77 /* Each byte of this 32-bit integer encodes a version number in
78  * VMXNET3_DRIVER_VERSION_STRING.
79  */
80 #define VMXNET3_DRIVER_VERSION_NUM      0x01090000
81 
82 #if defined(CONFIG_PCI_MSI)
83 	/* RSS only makes sense if MSI-X is supported. */
84 	#define VMXNET3_RSS
85 #endif
86 
87 #define VMXNET3_REV_9		8	/* Vmxnet3 Rev. 9 */
88 #define VMXNET3_REV_8		7	/* Vmxnet3 Rev. 8 */
89 #define VMXNET3_REV_7		6	/* Vmxnet3 Rev. 7 */
90 #define VMXNET3_REV_6		5	/* Vmxnet3 Rev. 6 */
91 #define VMXNET3_REV_5		4	/* Vmxnet3 Rev. 5 */
92 #define VMXNET3_REV_4		3	/* Vmxnet3 Rev. 4 */
93 #define VMXNET3_REV_3		2	/* Vmxnet3 Rev. 3 */
94 #define VMXNET3_REV_2		1	/* Vmxnet3 Rev. 2 */
95 #define VMXNET3_REV_1		0	/* Vmxnet3 Rev. 1 */
96 
97 /*
98  * Capabilities
99  */
100 
101 enum {
102 	VMNET_CAP_SG	        = 0x0001, /* Can do scatter-gather transmits. */
103 	VMNET_CAP_IP4_CSUM      = 0x0002, /* Can checksum only TCP/UDP over
104 					   * IPv4 */
105 	VMNET_CAP_HW_CSUM       = 0x0004, /* Can checksum all packets. */
106 	VMNET_CAP_HIGH_DMA      = 0x0008, /* Can DMA to high memory. */
107 	VMNET_CAP_TOE	        = 0x0010, /* Supports TCP/IP offload. */
108 	VMNET_CAP_TSO	        = 0x0020, /* Supports TCP Segmentation
109 					   * offload */
110 	VMNET_CAP_SW_TSO        = 0x0040, /* Supports SW TCP Segmentation */
111 	VMNET_CAP_VMXNET_APROM  = 0x0080, /* Vmxnet APROM support */
112 	VMNET_CAP_HW_TX_VLAN    = 0x0100, /* Can we do VLAN tagging in HW */
113 	VMNET_CAP_HW_RX_VLAN    = 0x0200, /* Can we do VLAN untagging in HW */
114 	VMNET_CAP_SW_VLAN       = 0x0400, /* VLAN tagging/untagging in SW */
115 	VMNET_CAP_WAKE_PCKT_RCV = 0x0800, /* Can wake on network packet recv? */
116 	VMNET_CAP_ENABLE_INT_INLINE = 0x1000,  /* Enable Interrupt Inline */
117 	VMNET_CAP_ENABLE_HEADER_COPY = 0x2000,  /* copy header for vmkernel */
118 	VMNET_CAP_TX_CHAIN      = 0x4000, /* Guest can use multiple tx entries
119 					  * for a pkt */
120 	VMNET_CAP_RX_CHAIN      = 0x8000, /* pkt can span multiple rx entries */
121 	VMNET_CAP_LPD           = 0x10000, /* large pkt delivery */
122 	VMNET_CAP_BPF           = 0x20000, /* BPF Support in VMXNET Virtual HW*/
123 	VMNET_CAP_SG_SPAN_PAGES = 0x40000, /* Scatter-gather can span multiple*/
124 					   /* pages transmits */
125 	VMNET_CAP_IP6_CSUM      = 0x80000, /* Can do IPv6 csum offload. */
126 	VMNET_CAP_TSO6         = 0x100000, /* TSO seg. offload for IPv6 pkts. */
127 	VMNET_CAP_TSO256k      = 0x200000, /* Can do TSO seg offload for */
128 					   /* pkts up to 256kB. */
129 	VMNET_CAP_UPT          = 0x400000  /* Support UPT */
130 };
131 
132 /*
133  * Maximum devices supported.
134  */
135 #define MAX_ETHERNET_CARDS		10
136 #define MAX_PCI_PASSTHRU_DEVICE		6
137 
138 struct vmxnet3_cmd_ring {
139 	union Vmxnet3_GenericDesc *base;
140 	u32		size;
141 	u32		next2fill;
142 	u32		next2comp;
143 	u8		gen;
144 	u8              isOutOfOrder;
145 	dma_addr_t	basePA;
146 };
147 
148 static inline void
vmxnet3_cmd_ring_adv_next2fill(struct vmxnet3_cmd_ring * ring)149 vmxnet3_cmd_ring_adv_next2fill(struct vmxnet3_cmd_ring *ring)
150 {
151 	ring->next2fill++;
152 	if (unlikely(ring->next2fill == ring->size)) {
153 		ring->next2fill = 0;
154 		VMXNET3_FLIP_RING_GEN(ring->gen);
155 	}
156 }
157 
158 static inline void
vmxnet3_cmd_ring_adv_next2comp(struct vmxnet3_cmd_ring * ring)159 vmxnet3_cmd_ring_adv_next2comp(struct vmxnet3_cmd_ring *ring)
160 {
161 	VMXNET3_INC_RING_IDX_ONLY(ring->next2comp, ring->size);
162 }
163 
164 static inline int
vmxnet3_cmd_ring_desc_avail(struct vmxnet3_cmd_ring * ring)165 vmxnet3_cmd_ring_desc_avail(struct vmxnet3_cmd_ring *ring)
166 {
167 	return (ring->next2comp > ring->next2fill ? 0 : ring->size) +
168 		ring->next2comp - ring->next2fill - 1;
169 }
170 
171 struct vmxnet3_comp_ring {
172 	union Vmxnet3_GenericDesc *base;
173 	u32               size;
174 	u32               next2proc;
175 	u8                gen;
176 	u8                intr_idx;
177 	dma_addr_t           basePA;
178 };
179 
180 static inline void
vmxnet3_comp_ring_adv_next2proc(struct vmxnet3_comp_ring * ring)181 vmxnet3_comp_ring_adv_next2proc(struct vmxnet3_comp_ring *ring)
182 {
183 	ring->next2proc++;
184 	if (unlikely(ring->next2proc == ring->size)) {
185 		ring->next2proc = 0;
186 		VMXNET3_FLIP_RING_GEN(ring->gen);
187 	}
188 }
189 
190 struct vmxnet3_tx_data_ring {
191 	struct Vmxnet3_TxDataDesc *base;
192 	u32              size;
193 	dma_addr_t          basePA;
194 };
195 
196 struct vmxnet3_tx_ts_ring {
197 	struct Vmxnet3_TxTSDesc *base;
198 	dma_addr_t          basePA;
199 };
200 
201 #define VMXNET3_MAP_NONE	0
202 #define VMXNET3_MAP_SINGLE	BIT(0)
203 #define VMXNET3_MAP_PAGE	BIT(1)
204 #define VMXNET3_MAP_XDP		BIT(2)
205 
206 struct vmxnet3_tx_buf_info {
207 	u32      map_type;
208 	u16      len;
209 	u16      sop_idx;
210 	dma_addr_t  dma_addr;
211 	union {
212 		struct sk_buff *skb;
213 		struct xdp_frame *xdpf;
214 	};
215 };
216 
217 struct vmxnet3_tq_driver_stats {
218 	u64 drop_total;     /* # of pkts dropped by the driver, the
219 				* counters below track droppings due to
220 				* different reasons
221 				*/
222 	u64 drop_too_many_frags;
223 	u64 drop_oversized_hdr;
224 	u64 drop_hdr_inspect_err;
225 	u64 drop_tso;
226 
227 	u64 tx_ring_full;
228 	u64 linearized;         /* # of pkts linearized */
229 	u64 copy_skb_header;    /* # of times we have to copy skb header */
230 	u64 oversized_hdr;
231 
232 	u64 xdp_xmit;
233 	u64 xdp_xmit_err;
234 };
235 
236 struct vmxnet3_tx_ctx {
237 	bool   ipv4;
238 	bool   ipv6;
239 	u16 mss;
240 	u32    l4_offset;	/* only valid for pkts requesting tso or csum
241 				 * offloading. For encap offload, it refers to
242 				 * inner L4 offset i.e. it includes outer header
243 				 * encap header and inner eth and ip header size
244 				 */
245 
246 	u32	l4_hdr_size;	/* only valid if mss != 0
247 				 * Refers to inner L4 hdr size for encap
248 				 * offload
249 				 */
250 	u32 copy_size;       /* # of bytes copied into the data ring */
251 	union Vmxnet3_GenericDesc *sop_txd;
252 	union Vmxnet3_GenericDesc *eop_txd;
253 	struct Vmxnet3_TxTSDesc *ts_txd;
254 };
255 
256 struct vmxnet3_tx_queue {
257 	char			name[IFNAMSIZ+8]; /* To identify interrupt */
258 	struct vmxnet3_adapter		*adapter;
259 	spinlock_t                      tx_lock;
260 	struct vmxnet3_cmd_ring         tx_ring;
261 	struct vmxnet3_tx_buf_info      *buf_info;
262 	struct vmxnet3_tx_data_ring     data_ring;
263 	struct vmxnet3_tx_ts_ring       ts_ring;
264 	struct vmxnet3_comp_ring        comp_ring;
265 	struct Vmxnet3_TxQueueCtrl      *shared;
266 	struct vmxnet3_tq_driver_stats  stats;
267 	bool                            stopped;
268 	int                             num_stop;  /* # of times the queue is
269 						    * stopped */
270 	int				qid;
271 	u16				txdata_desc_size;
272 	u16                             tx_ts_desc_size;
273 	u16                             tsPktCount;
274 } ____cacheline_aligned;
275 
276 enum vmxnet3_rx_buf_type {
277 	VMXNET3_RX_BUF_NONE = 0,
278 	VMXNET3_RX_BUF_SKB = 1,
279 	VMXNET3_RX_BUF_PAGE = 2,
280 	VMXNET3_RX_BUF_XDP = 3,
281 };
282 
283 #define VMXNET3_RXD_COMP_PENDING        0
284 #define VMXNET3_RXD_COMP_DONE           1
285 
286 struct vmxnet3_rx_buf_info {
287 	enum vmxnet3_rx_buf_type buf_type;
288 	u16     len;
289 	u8      comp_state;
290 	union {
291 		struct sk_buff *skb;
292 		struct page    *page;
293 	};
294 	dma_addr_t dma_addr;
295 };
296 
297 struct vmxnet3_rx_ctx {
298 	struct sk_buff *skb;
299 	u32 sop_idx;
300 };
301 
302 struct vmxnet3_rq_driver_stats {
303 	u64 drop_total;
304 	u64 drop_err;
305 	u64 drop_fcs;
306 	u64 rx_buf_alloc_failure;
307 
308 	u64 xdp_packets;	/* Total packets processed by XDP. */
309 	u64 xdp_tx;
310 	u64 xdp_redirects;
311 	u64 xdp_drops;
312 	u64 xdp_aborted;
313 };
314 
315 struct vmxnet3_rx_data_ring {
316 	Vmxnet3_RxDataDesc *base;
317 	dma_addr_t basePA;
318 	u16 desc_size;
319 };
320 
321 struct vmxnet3_rx_ts_ring {
322 	struct Vmxnet3_RxTSDesc *base;
323 	dma_addr_t basePA;
324 };
325 
326 struct vmxnet3_rx_queue {
327 	char			name[IFNAMSIZ + 8]; /* To identify interrupt */
328 	struct vmxnet3_adapter	  *adapter;
329 	struct napi_struct        napi;
330 	struct vmxnet3_cmd_ring   rx_ring[2];
331 	struct vmxnet3_rx_data_ring data_ring;
332 	struct vmxnet3_comp_ring  comp_ring;
333 	struct vmxnet3_rx_ts_ring ts_ring;
334 	struct vmxnet3_rx_ctx     rx_ctx;
335 	u32 qid;            /* rqID in RCD for buffer from 1st ring */
336 	u32 qid2;           /* rqID in RCD for buffer from 2nd ring */
337 	u32 dataRingQid;    /* rqID in RCD for buffer from data ring */
338 	struct vmxnet3_rx_buf_info     *buf_info[2];
339 	struct Vmxnet3_RxQueueCtrl            *shared;
340 	struct vmxnet3_rq_driver_stats  stats;
341 	struct page_pool *page_pool;
342 	struct xdp_rxq_info xdp_rxq;
343 	u16                             rx_ts_desc_size;
344 } ____cacheline_aligned;
345 
346 #define VMXNET3_DEVICE_MAX_TX_QUEUES 32
347 #define VMXNET3_DEVICE_MAX_RX_QUEUES 32   /* Keep this value as a power of 2 */
348 
349 #define VMXNET3_DEVICE_DEFAULT_TX_QUEUES 8
350 #define VMXNET3_DEVICE_DEFAULT_RX_QUEUES 8   /* Keep this value as a power of 2 */
351 
352 /* Should be less than UPT1_RSS_MAX_IND_TABLE_SIZE */
353 #define VMXNET3_RSS_IND_TABLE_SIZE (VMXNET3_DEVICE_MAX_RX_QUEUES * 4)
354 
355 #define VMXNET3_LINUX_MAX_MSIX_VECT     (VMXNET3_DEVICE_MAX_TX_QUEUES + \
356 					 VMXNET3_DEVICE_MAX_RX_QUEUES + 1)
357 #define VMXNET3_LINUX_MIN_MSIX_VECT     3 /* 1 for tx, 1 for rx pair and 1 for event */
358 
359 
360 struct vmxnet3_intr {
361 	enum vmxnet3_intr_mask_mode  mask_mode;
362 	enum vmxnet3_intr_type       type;	/* MSI-X, MSI, or INTx? */
363 	u8  num_intrs;			/* # of intr vectors */
364 	u8  event_intr_idx;		/* idx of the intr vector for event */
365 	u8  mod_levels[VMXNET3_LINUX_MAX_MSIX_VECT]; /* moderation level */
366 	char	event_msi_vector_name[IFNAMSIZ+17];
367 #ifdef CONFIG_PCI_MSI
368 	struct msix_entry msix_entries[VMXNET3_LINUX_MAX_MSIX_VECT];
369 #endif
370 };
371 
372 /* Interrupt sharing schemes, share_intr */
373 #define VMXNET3_INTR_BUDDYSHARE 0    /* Corresponding tx,rx queues share irq */
374 #define VMXNET3_INTR_TXSHARE 1	     /* All tx queues share one irq */
375 #define VMXNET3_INTR_DONTSHARE 2     /* each queue has its own irq */
376 
377 
378 #define VMXNET3_STATE_BIT_RESETTING   0
379 #define VMXNET3_STATE_BIT_QUIESCED    1
380 struct vmxnet3_adapter {
381 	struct vmxnet3_tx_queue		tx_queue[VMXNET3_DEVICE_MAX_TX_QUEUES];
382 	struct vmxnet3_rx_queue		rx_queue[VMXNET3_DEVICE_MAX_RX_QUEUES];
383 	unsigned long			active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
384 	struct vmxnet3_intr		intr;
385 	spinlock_t			cmd_lock;
386 	struct Vmxnet3_DriverShared	*shared;
387 	struct Vmxnet3_PMConf		*pm_conf;
388 	struct Vmxnet3_TxQueueDesc	*tqd_start;     /* all tx queue desc */
389 	struct Vmxnet3_RxQueueDesc	*rqd_start;	/* all rx queue desc */
390 	struct net_device		*netdev;
391 	struct pci_dev			*pdev;
392 
393 	u8			__iomem *hw_addr0; /* for BAR 0 */
394 	u8			__iomem *hw_addr1; /* for BAR 1 */
395 	u8                              version;
396 
397 #ifdef VMXNET3_RSS
398 	struct UPT1_RSSConf		*rss_conf;
399 	bool				rss;
400 #endif
401 	u32				num_rx_queues;
402 	u32				num_tx_queues;
403 
404 	/* rx buffer related */
405 	unsigned			skb_buf_size;
406 	int		rx_buf_per_pkt;  /* only apply to the 1st ring */
407 	dma_addr_t			shared_pa;
408 	dma_addr_t queue_desc_pa;
409 	dma_addr_t coal_conf_pa;
410 
411 	/* Wake-on-LAN */
412 	u32     wol;
413 
414 	/* Link speed */
415 	u32     link_speed; /* in mbps */
416 
417 	u64     tx_timeout_count;
418 
419 	/* Ring sizes */
420 	u32 tx_ring_size;
421 	u32 rx_ring_size;
422 	u32 rx_ring2_size;
423 
424 	/* Size of buffer in the data ring */
425 	u16 txdata_desc_size;
426 	u16 rxdata_desc_size;
427 
428 	bool rxdataring_enabled;
429 	bool default_rss_fields;
430 	enum Vmxnet3_RSSField rss_fields;
431 
432 	struct work_struct work;
433 
434 	unsigned long  state;    /* VMXNET3_STATE_BIT_xxx */
435 
436 	int share_intr;
437 
438 	struct Vmxnet3_CoalesceScheme *coal_conf;
439 	bool   default_coal_mode;
440 
441 	dma_addr_t adapter_pa;
442 	dma_addr_t pm_conf_pa;
443 	dma_addr_t rss_conf_pa;
444 	bool   queuesExtEnabled;
445 	struct Vmxnet3_RingBufferSize     ringBufSize;
446 	u32    devcap_supported[8];
447 	u32    ptcap_supported[8];
448 	u32    dev_caps[8];
449 	u16    tx_prod_offset;
450 	u16    rx_prod_offset;
451 	u16    rx_prod2_offset;
452 	struct bpf_prog __rcu *xdp_bpf_prog;
453 	struct Vmxnet3_LatencyConf *latencyConf;
454 	/* Size of buffer in the ts ring */
455 	u16     tx_ts_desc_size;
456 	u16     rx_ts_desc_size;
457 	u32     disabledOffloads;
458 };
459 
460 #define VMXNET3_WRITE_BAR0_REG(adapter, reg, val)  \
461 	writel((val), (adapter)->hw_addr0 + (reg))
462 #define VMXNET3_READ_BAR0_REG(adapter, reg)        \
463 	readl((adapter)->hw_addr0 + (reg))
464 
465 #define VMXNET3_WRITE_BAR1_REG(adapter, reg, val)  \
466 	writel((val), (adapter)->hw_addr1 + (reg))
467 #define VMXNET3_READ_BAR1_REG(adapter, reg)        \
468 	readl((adapter)->hw_addr1 + (reg))
469 
470 #define VMXNET3_WAKE_QUEUE_THRESHOLD(tq)  (5)
471 #define VMXNET3_RX_ALLOC_THRESHOLD(rq, ring_idx, adapter) \
472 	((rq)->rx_ring[ring_idx].size >> 3)
473 
474 #define VMXNET3_GET_ADDR_LO(dma)   ((u32)(dma))
475 #define VMXNET3_GET_ADDR_HI(dma)   ((u32)(((u64)(dma)) >> 32))
476 
477 #define VMXNET3_VERSION_GE_2(adapter) \
478 	(adapter->version >= VMXNET3_REV_2 + 1)
479 #define VMXNET3_VERSION_GE_3(adapter) \
480 	(adapter->version >= VMXNET3_REV_3 + 1)
481 #define VMXNET3_VERSION_GE_4(adapter) \
482 	(adapter->version >= VMXNET3_REV_4 + 1)
483 #define VMXNET3_VERSION_GE_5(adapter) \
484 	(adapter->version >= VMXNET3_REV_5 + 1)
485 #define VMXNET3_VERSION_GE_6(adapter) \
486 	(adapter->version >= VMXNET3_REV_6 + 1)
487 #define VMXNET3_VERSION_GE_7(adapter) \
488 	(adapter->version >= VMXNET3_REV_7 + 1)
489 #define VMXNET3_VERSION_GE_8(adapter) \
490 	(adapter->version >= VMXNET3_REV_8 + 1)
491 #define VMXNET3_VERSION_GE_9(adapter) \
492 	(adapter->version >= VMXNET3_REV_9 + 1)
493 
494 /* must be a multiple of VMXNET3_RING_SIZE_ALIGN */
495 #define VMXNET3_DEF_TX_RING_SIZE    512
496 #define VMXNET3_DEF_RX_RING_SIZE    1024
497 #define VMXNET3_DEF_RX_RING2_SIZE   512
498 
499 #define VMXNET3_DEF_RXDATA_DESC_SIZE 128
500 
501 #define VMXNET3_MAX_ETH_HDR_SIZE    22
502 #define VMXNET3_MAX_SKB_BUF_SIZE    (3*1024)
503 
504 #define VMXNET3_GET_RING_IDX(adapter, rqID)		\
505 	((rqID >= adapter->num_rx_queues &&		\
506 	 rqID < 2 * adapter->num_rx_queues) ? 1 : 0)	\
507 
508 #define VMXNET3_RX_DATA_RING(adapter, rqID)		\
509 	(rqID >= 2 * adapter->num_rx_queues &&		\
510 	rqID < 3 * adapter->num_rx_queues)		\
511 
512 #define VMXNET3_COAL_STATIC_DEFAULT_DEPTH	64
513 
514 #define VMXNET3_COAL_RBC_RATE(usecs) (1000000 / usecs)
515 #define VMXNET3_COAL_RBC_USECS(rbc_rate) (1000000 / rbc_rate)
516 #define VMXNET3_RSS_FIELDS_DEFAULT (VMXNET3_RSS_FIELDS_TCPIP4 | \
517 				    VMXNET3_RSS_FIELDS_TCPIP6)
518 
519 int
520 vmxnet3_quiesce_dev(struct vmxnet3_adapter *adapter);
521 
522 int
523 vmxnet3_activate_dev(struct vmxnet3_adapter *adapter);
524 
525 void
526 vmxnet3_force_close(struct vmxnet3_adapter *adapter);
527 
528 void
529 vmxnet3_reset_dev(struct vmxnet3_adapter *adapter);
530 
531 void
532 vmxnet3_tq_destroy_all(struct vmxnet3_adapter *adapter);
533 
534 void
535 vmxnet3_rq_destroy_all(struct vmxnet3_adapter *adapter);
536 
537 int
538 vmxnet3_rq_create_all(struct vmxnet3_adapter *adapter);
539 
540 void
541 vmxnet3_adjust_rx_ring_size(struct vmxnet3_adapter *adapter);
542 
543 netdev_features_t
544 vmxnet3_fix_features(struct net_device *netdev, netdev_features_t features);
545 
546 netdev_features_t
547 vmxnet3_features_check(struct sk_buff *skb,
548 		       struct net_device *netdev, netdev_features_t features);
549 
550 int
551 vmxnet3_set_features(struct net_device *netdev, netdev_features_t features);
552 
553 int
554 vmxnet3_create_queues(struct vmxnet3_adapter *adapter,
555 		      u32 tx_ring_size, u32 rx_ring_size, u32 rx_ring2_size,
556 		      u16 txdata_desc_size, u16 rxdata_desc_size);
557 
558 void vmxnet3_set_ethtool_ops(struct net_device *netdev);
559 
560 void vmxnet3_get_stats64(struct net_device *dev,
561 			 struct rtnl_link_stats64 *stats);
562 bool vmxnet3_check_ptcapability(u32 cap_supported, u32 cap);
563 
564 extern char vmxnet3_driver_name[];
565 #endif
566