xref: /freebsd/sys/dev/mlx5/mlx5_en/en.h (revision 780fb4a2)
1 /*-
2  * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #ifndef _MLX5_EN_H_
29 #define	_MLX5_EN_H_
30 
31 #include <linux/kmod.h>
32 #include <linux/page.h>
33 #include <linux/slab.h>
34 #include <linux/if_vlan.h>
35 #include <linux/if_ether.h>
36 #include <linux/vmalloc.h>
37 #include <linux/moduleparam.h>
38 #include <linux/delay.h>
39 #include <linux/netdevice.h>
40 #include <linux/etherdevice.h>
41 
42 #include <netinet/in_systm.h>
43 #include <netinet/in.h>
44 #include <netinet/if_ether.h>
45 #include <netinet/ip.h>
46 #include <netinet/ip6.h>
47 #include <netinet/tcp.h>
48 #include <netinet/tcp_lro.h>
49 #include <netinet/udp.h>
50 #include <net/ethernet.h>
51 #include <sys/buf_ring.h>
52 #include <sys/kthread.h>
53 
54 #include "opt_rss.h"
55 
56 #ifdef	RSS
57 #include <net/rss_config.h>
58 #include <netinet/in_rss.h>
59 #endif
60 
61 #include <machine/bus.h>
62 
63 #include <dev/mlx5/driver.h>
64 #include <dev/mlx5/qp.h>
65 #include <dev/mlx5/cq.h>
66 #include <dev/mlx5/port.h>
67 #include <dev/mlx5/vport.h>
68 #include <dev/mlx5/diagnostics.h>
69 
70 #include <dev/mlx5/mlx5_core/wq.h>
71 #include <dev/mlx5/mlx5_core/transobj.h>
72 #include <dev/mlx5/mlx5_core/mlx5_core.h>
73 
74 #define	IEEE_8021QAZ_MAX_TCS	8
75 
76 #define	MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE                0x7
77 #define	MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE                0xa
78 #define	MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE                0xe
79 
80 #define	MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE                0x7
81 #define	MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE                0xa
82 #define	MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE                0xe
83 
84 /* freeBSD HW LRO is limited by 16KB - the size of max mbuf */
85 #define	MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ                 MJUM16BYTES
86 #define	MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC      0x10
87 #define	MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE	0x3
88 #define	MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS      0x20
89 #define	MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC      0x10
90 #define	MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS      0x20
91 #define	MLX5E_PARAMS_DEFAULT_MIN_RX_WQES                0x80
92 #define	MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ         0x7
93 #define	MLX5E_CACHELINE_SIZE CACHE_LINE_SIZE
94 #define	MLX5E_HW2SW_MTU(hwmtu) \
95     ((hwmtu) - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN))
96 #define	MLX5E_SW2HW_MTU(swmtu) \
97     ((swmtu) + (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN))
98 #define	MLX5E_SW2MB_MTU(swmtu) \
99     (MLX5E_SW2HW_MTU(swmtu) + MLX5E_NET_IP_ALIGN)
100 #define	MLX5E_MTU_MIN		72	/* Min MTU allowed by the kernel */
101 #define	MLX5E_MTU_MAX		MIN(ETHERMTU_JUMBO, MJUM16BYTES)	/* Max MTU of Ethernet
102 									 * jumbo frames */
103 
104 #define	MLX5E_BUDGET_MAX	8192	/* RX and TX */
105 #define	MLX5E_RX_BUDGET_MAX	256
106 #define	MLX5E_SQ_BF_BUDGET	16
107 #define	MLX5E_SQ_TX_QUEUE_SIZE	4096	/* SQ drbr queue size */
108 
109 #define	MLX5E_MAX_TX_NUM_TC	8	/* units */
110 #define	MLX5E_MAX_TX_HEADER	128	/* bytes */
111 #define	MLX5E_MAX_TX_PAYLOAD_SIZE	65536	/* bytes */
112 #define	MLX5E_MAX_TX_MBUF_SIZE	65536	/* bytes */
113 #define	MLX5E_MAX_TX_MBUF_FRAGS	\
114     ((MLX5_SEND_WQE_MAX_WQEBBS * MLX5_SEND_WQEBB_NUM_DS) - \
115     (MLX5E_MAX_TX_HEADER / MLX5_SEND_WQE_DS))	/* units */
116 #define	MLX5E_MAX_TX_INLINE \
117   (MLX5E_MAX_TX_HEADER - sizeof(struct mlx5e_tx_wqe) + \
118   sizeof(((struct mlx5e_tx_wqe *)0)->eth.inline_hdr_start))	/* bytes */
119 
120 #define	MLX5E_100MB (100000)
121 #define	MLX5E_1GB   (1000000)
122 
123 MALLOC_DECLARE(M_MLX5EN);
124 
125 struct mlx5_core_dev;
126 struct mlx5e_cq;
127 
128 typedef void (mlx5e_cq_comp_t)(struct mlx5_core_cq *);
129 
130 #define	MLX5E_STATS_COUNT(a,b,c,d) a
131 #define	MLX5E_STATS_VAR(a,b,c,d) b;
132 #define	MLX5E_STATS_DESC(a,b,c,d) c, d,
133 
134 #define	MLX5E_VPORT_STATS(m)						\
135   /* HW counters */							\
136   m(+1, u64 rx_packets, "rx_packets", "Received packets")		\
137   m(+1, u64 rx_bytes, "rx_bytes", "Received bytes")			\
138   m(+1, u64 tx_packets, "tx_packets", "Transmitted packets")		\
139   m(+1, u64 tx_bytes, "tx_bytes", "Transmitted bytes")			\
140   m(+1, u64 rx_error_packets, "rx_error_packets", "Received error packets") \
141   m(+1, u64 rx_error_bytes, "rx_error_bytes", "Received error bytes")	\
142   m(+1, u64 tx_error_packets, "tx_error_packets", "Transmitted error packets") \
143   m(+1, u64 tx_error_bytes, "tx_error_bytes", "Transmitted error bytes") \
144   m(+1, u64 rx_unicast_packets, "rx_unicast_packets", "Received unicast packets") \
145   m(+1, u64 rx_unicast_bytes, "rx_unicast_bytes", "Received unicast bytes") \
146   m(+1, u64 tx_unicast_packets, "tx_unicast_packets", "Transmitted unicast packets") \
147   m(+1, u64 tx_unicast_bytes, "tx_unicast_bytes", "Transmitted unicast bytes") \
148   m(+1, u64 rx_multicast_packets, "rx_multicast_packets", "Received multicast packets") \
149   m(+1, u64 rx_multicast_bytes, "rx_multicast_bytes", "Received multicast bytes") \
150   m(+1, u64 tx_multicast_packets, "tx_multicast_packets", "Transmitted multicast packets") \
151   m(+1, u64 tx_multicast_bytes, "tx_multicast_bytes", "Transmitted multicast bytes") \
152   m(+1, u64 rx_broadcast_packets, "rx_broadcast_packets", "Received broadcast packets") \
153   m(+1, u64 rx_broadcast_bytes, "rx_broadcast_bytes", "Received broadcast bytes") \
154   m(+1, u64 tx_broadcast_packets, "tx_broadcast_packets", "Transmitted broadcast packets") \
155   m(+1, u64 tx_broadcast_bytes, "tx_broadcast_bytes", "Transmitted broadcast bytes") \
156   m(+1, u64 rx_out_of_buffer, "rx_out_of_buffer", "Receive out of buffer, no recv wqes events") \
157   /* SW counters */							\
158   m(+1, u64 tso_packets, "tso_packets", "Transmitted TSO packets")	\
159   m(+1, u64 tso_bytes, "tso_bytes", "Transmitted TSO bytes")		\
160   m(+1, u64 lro_packets, "lro_packets", "Received LRO packets")		\
161   m(+1, u64 lro_bytes, "lro_bytes", "Received LRO bytes")		\
162   m(+1, u64 sw_lro_queued, "sw_lro_queued", "Packets queued for SW LRO")	\
163   m(+1, u64 sw_lro_flushed, "sw_lro_flushed", "Packets flushed from SW LRO")	\
164   m(+1, u64 rx_csum_good, "rx_csum_good", "Received checksum valid packets") \
165   m(+1, u64 rx_csum_none, "rx_csum_none", "Received no checksum packets") \
166   m(+1, u64 tx_csum_offload, "tx_csum_offload", "Transmit checksum offload packets") \
167   m(+1, u64 tx_queue_dropped, "tx_queue_dropped", "Transmit queue dropped") \
168   m(+1, u64 tx_defragged, "tx_defragged", "Transmit queue defragged") \
169   m(+1, u64 rx_wqe_err, "rx_wqe_err", "Receive WQE errors")
170 
171 #define	MLX5E_VPORT_STATS_NUM (0 MLX5E_VPORT_STATS(MLX5E_STATS_COUNT))
172 
173 struct mlx5e_vport_stats {
174 	struct	sysctl_ctx_list ctx;
175 	u64	arg [0];
176 	MLX5E_VPORT_STATS(MLX5E_STATS_VAR)
177 	u32	rx_out_of_buffer_prev;
178 };
179 
180 #define	MLX5E_PPORT_IEEE802_3_STATS(m)					\
181   m(+1, u64 frames_tx, "frames_tx", "Frames transmitted")		\
182   m(+1, u64 frames_rx, "frames_rx", "Frames received")			\
183   m(+1, u64 check_seq_err, "check_seq_err", "Sequence errors")		\
184   m(+1, u64 alignment_err, "alignment_err", "Alignment errors")	\
185   m(+1, u64 octets_tx, "octets_tx", "Bytes transmitted")		\
186   m(+1, u64 octets_received, "octets_received", "Bytes received")	\
187   m(+1, u64 multicast_xmitted, "multicast_xmitted", "Multicast transmitted") \
188   m(+1, u64 broadcast_xmitted, "broadcast_xmitted", "Broadcast transmitted") \
189   m(+1, u64 multicast_rx, "multicast_rx", "Multicast received")	\
190   m(+1, u64 broadcast_rx, "broadcast_rx", "Broadcast received")	\
191   m(+1, u64 in_range_len_errors, "in_range_len_errors", "In range length errors") \
192   m(+1, u64 out_of_range_len, "out_of_range_len", "Out of range length errors") \
193   m(+1, u64 too_long_errors, "too_long_errors", "Too long errors")	\
194   m(+1, u64 symbol_err, "symbol_err", "Symbol errors")			\
195   m(+1, u64 mac_control_tx, "mac_control_tx", "MAC control transmitted") \
196   m(+1, u64 mac_control_rx, "mac_control_rx", "MAC control received")	\
197   m(+1, u64 unsupported_op_rx, "unsupported_op_rx", "Unsupported operation received") \
198   m(+1, u64 pause_ctrl_rx, "pause_ctrl_rx", "Pause control received")	\
199   m(+1, u64 pause_ctrl_tx, "pause_ctrl_tx", "Pause control transmitted")
200 
201 #define	MLX5E_PPORT_RFC2819_STATS(m)					\
202   m(+1, u64 drop_events, "drop_events", "Dropped events")		\
203   m(+1, u64 octets, "octets", "Octets")					\
204   m(+1, u64 pkts, "pkts", "Packets")					\
205   m(+1, u64 broadcast_pkts, "broadcast_pkts", "Broadcast packets")	\
206   m(+1, u64 multicast_pkts, "multicast_pkts", "Multicast packets")	\
207   m(+1, u64 crc_align_errors, "crc_align_errors", "CRC alignment errors") \
208   m(+1, u64 undersize_pkts, "undersize_pkts", "Undersized packets")	\
209   m(+1, u64 oversize_pkts, "oversize_pkts", "Oversized packets")	\
210   m(+1, u64 fragments, "fragments", "Fragments")			\
211   m(+1, u64 jabbers, "jabbers", "Jabbers")				\
212   m(+1, u64 collisions, "collisions", "Collisions")
213 
214 #define	MLX5E_PPORT_RFC2819_STATS_DEBUG(m)				\
215   m(+1, u64 p64octets, "p64octets", "Bytes")				\
216   m(+1, u64 p65to127octets, "p65to127octets", "Bytes")			\
217   m(+1, u64 p128to255octets, "p128to255octets", "Bytes")		\
218   m(+1, u64 p256to511octets, "p256to511octets", "Bytes")		\
219   m(+1, u64 p512to1023octets, "p512to1023octets", "Bytes")		\
220   m(+1, u64 p1024to1518octets, "p1024to1518octets", "Bytes")		\
221   m(+1, u64 p1519to2047octets, "p1519to2047octets", "Bytes")		\
222   m(+1, u64 p2048to4095octets, "p2048to4095octets", "Bytes")		\
223   m(+1, u64 p4096to8191octets, "p4096to8191octets", "Bytes")		\
224   m(+1, u64 p8192to10239octets, "p8192to10239octets", "Bytes")
225 
226 #define	MLX5E_PPORT_RFC2863_STATS_DEBUG(m)				\
227   m(+1, u64 in_octets, "in_octets", "In octets")			\
228   m(+1, u64 in_ucast_pkts, "in_ucast_pkts", "In unicast packets")	\
229   m(+1, u64 in_discards, "in_discards", "In discards")			\
230   m(+1, u64 in_errors, "in_errors", "In errors")			\
231   m(+1, u64 in_unknown_protos, "in_unknown_protos", "In unknown protocols") \
232   m(+1, u64 out_octets, "out_octets", "Out octets")			\
233   m(+1, u64 out_ucast_pkts, "out_ucast_pkts", "Out unicast packets")	\
234   m(+1, u64 out_discards, "out_discards", "Out discards")		\
235   m(+1, u64 out_errors, "out_errors", "Out errors")			\
236   m(+1, u64 in_multicast_pkts, "in_multicast_pkts", "In multicast packets") \
237   m(+1, u64 in_broadcast_pkts, "in_broadcast_pkts", "In broadcast packets") \
238   m(+1, u64 out_multicast_pkts, "out_multicast_pkts", "Out multicast packets") \
239   m(+1, u64 out_broadcast_pkts, "out_broadcast_pkts", "Out broadcast packets")
240 
241 #define	MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(m)                                    		\
242   m(+1, u64 time_since_last_clear, "time_since_last_clear",				\
243 			"Time since the last counters clear event (msec)")		\
244   m(+1, u64 symbol_errors, "symbol_errors", "Symbol errors")				\
245   m(+1, u64 sync_headers_errors, "sync_headers_errors", "Sync header error counter")	\
246   m(+1, u64 bip_errors_lane0, "edpl_bip_errors_lane0",					\
247 			"Indicates the number of PRBS errors on lane 0")		\
248   m(+1, u64 bip_errors_lane1, "edpl_bip_errors_lane1",					\
249 			"Indicates the number of PRBS errors on lane 1")		\
250   m(+1, u64 bip_errors_lane2, "edpl_bip_errors_lane2",					\
251 			"Indicates the number of PRBS errors on lane 2")		\
252   m(+1, u64 bip_errors_lane3, "edpl_bip_errors_lane3",					\
253 			"Indicates the number of PRBS errors on lane 3")		\
254   m(+1, u64 fc_corrected_blocks_lane0, "fc_corrected_blocks_lane0",			\
255 			"FEC correctable block counter lane 0")				\
256   m(+1, u64 fc_corrected_blocks_lane1, "fc_corrected_blocks_lane1",			\
257 			"FEC correctable block counter lane 1")				\
258   m(+1, u64 fc_corrected_blocks_lane2, "fc_corrected_blocks_lane2",			\
259 			"FEC correctable block counter lane 2")				\
260   m(+1, u64 fc_corrected_blocks_lane3, "fc_corrected_blocks_lane3",			\
261 			"FEC correctable block counter lane 3")				\
262   m(+1, u64 rs_corrected_blocks, "rs_corrected_blocks",					\
263 			"FEC correcable block counter")					\
264   m(+1, u64 rs_uncorrectable_blocks, "rs_uncorrectable_blocks",				\
265 			"FEC uncorrecable block counter")				\
266   m(+1, u64 rs_no_errors_blocks, "rs_no_errors_blocks",					\
267 			"The number of RS-FEC blocks received that had no errors")	\
268   m(+1, u64 rs_single_error_blocks, "rs_single_error_blocks",				\
269 			"The number of corrected RS-FEC blocks received that had"	\
270 			"exactly 1 error symbol")					\
271   m(+1, u64 rs_corrected_symbols_total, "rs_corrected_symbols_total",			\
272 			"Port FEC corrected symbol counter")				\
273   m(+1, u64 rs_corrected_symbols_lane0, "rs_corrected_symbols_lane0",			\
274 			"FEC corrected symbol counter lane 0")				\
275   m(+1, u64 rs_corrected_symbols_lane1, "rs_corrected_symbols_lane1",			\
276 			"FEC corrected symbol counter lane 1")				\
277   m(+1, u64 rs_corrected_symbols_lane2, "rs_corrected_symbols_lane2",			\
278 			"FEC corrected symbol counter lane 2")				\
279   m(+1, u64 rs_corrected_symbols_lane3, "rs_corrected_symbols_lane3",			\
280 			"FEC corrected symbol counter lane 3")
281 
282 /* Per priority statistics for PFC */
283 #define	MLX5E_PPORT_PER_PRIO_STATS_SUB(m,n,p)			\
284   m(n, p, +1, u64, rx_octets, "rx_octets", "Received octets")		\
285   m(n, p, +1, u64, reserved_0, "reserved_0", "Reserved")		\
286   m(n, p, +1, u64, reserved_1, "reserved_1", "Reserved")		\
287   m(n, p, +1, u64, reserved_2, "reserved_2", "Reserved")		\
288   m(n, p, +1, u64, rx_frames, "rx_frames", "Received frames")		\
289   m(n, p, +1, u64, tx_octets, "tx_octets", "Transmitted octets")	\
290   m(n, p, +1, u64, reserved_3, "reserved_3", "Reserved")		\
291   m(n, p, +1, u64, reserved_4, "reserved_4", "Reserved")		\
292   m(n, p, +1, u64, reserved_5, "reserved_5", "Reserved")		\
293   m(n, p, +1, u64, tx_frames, "tx_frames", "Transmitted frames")	\
294   m(n, p, +1, u64, rx_pause, "rx_pause", "Received pause frames")	\
295   m(n, p, +1, u64, rx_pause_duration, "rx_pause_duration",		\
296 	"Received pause duration")					\
297   m(n, p, +1, u64, tx_pause, "tx_pause", "Transmitted pause frames")	\
298   m(n, p, +1, u64, tx_pause_duration, "tx_pause_duration",		\
299 	"Transmitted pause duration")					\
300   m(n, p, +1, u64, rx_pause_transition, "rx_pause_transition",		\
301 	"Received pause transitions")					\
302   m(n, p, +1, u64, rx_discards, "rx_discards", "Discarded received frames") \
303   m(n, p, +1, u64, device_stall_minor_watermark,			\
304 	"device_stall_minor_watermark", "Device stall minor watermark")	\
305   m(n, p, +1, u64, device_stall_critical_watermark,			\
306 	"device_stall_critical_watermark", "Device stall critical watermark")
307 
308 #define	MLX5E_PPORT_PER_PRIO_STATS_PREFIX(m,p,c,t,f,s,d) \
309   m(c, t pri_##p##_##f, "prio" #p "_" s, "Priority " #p " - " d)
310 
311 #define	MLX5E_PPORT_PER_PRIO_STATS_NUM_PRIO 8
312 
313 #define	MLX5E_PPORT_PER_PRIO_STATS(m) \
314   MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,0) \
315   MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,1) \
316   MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,2) \
317   MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,3) \
318   MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,4) \
319   MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,5) \
320   MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,6) \
321   MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,7)
322 
323 /*
324  * Make sure to update mlx5e_update_pport_counters()
325  * when adding a new MLX5E_PPORT_STATS block
326  */
327 #define	MLX5E_PPORT_STATS(m)			\
328   MLX5E_PPORT_PER_PRIO_STATS(m)		\
329   MLX5E_PPORT_IEEE802_3_STATS(m)		\
330   MLX5E_PPORT_RFC2819_STATS(m)
331 
332 #define	MLX5E_PORT_STATS_DEBUG(m)		\
333   MLX5E_PPORT_RFC2819_STATS_DEBUG(m)		\
334   MLX5E_PPORT_RFC2863_STATS_DEBUG(m)		\
335   MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(m)
336 
337 #define	MLX5E_PPORT_IEEE802_3_STATS_NUM \
338   (0 MLX5E_PPORT_IEEE802_3_STATS(MLX5E_STATS_COUNT))
339 #define	MLX5E_PPORT_RFC2819_STATS_NUM \
340   (0 MLX5E_PPORT_RFC2819_STATS(MLX5E_STATS_COUNT))
341 #define	MLX5E_PPORT_STATS_NUM \
342   (0 MLX5E_PPORT_STATS(MLX5E_STATS_COUNT))
343 
344 #define	MLX5E_PPORT_PER_PRIO_STATS_NUM \
345   (0 MLX5E_PPORT_PER_PRIO_STATS(MLX5E_STATS_COUNT))
346 #define	MLX5E_PPORT_RFC2819_STATS_DEBUG_NUM \
347   (0 MLX5E_PPORT_RFC2819_STATS_DEBUG(MLX5E_STATS_COUNT))
348 #define	MLX5E_PPORT_RFC2863_STATS_DEBUG_NUM \
349   (0 MLX5E_PPORT_RFC2863_STATS_DEBUG(MLX5E_STATS_COUNT))
350 #define	MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG_NUM \
351   (0 MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(MLX5E_STATS_COUNT))
352 #define	MLX5E_PORT_STATS_DEBUG_NUM \
353   (0 MLX5E_PORT_STATS_DEBUG(MLX5E_STATS_COUNT))
354 
355 struct mlx5e_pport_stats {
356 	struct	sysctl_ctx_list ctx;
357 	u64	arg [0];
358 	MLX5E_PPORT_STATS(MLX5E_STATS_VAR)
359 };
360 
361 struct mlx5e_port_stats_debug {
362 	struct	sysctl_ctx_list ctx;
363 	u64	arg [0];
364 	MLX5E_PORT_STATS_DEBUG(MLX5E_STATS_VAR)
365 };
366 
367 #define	MLX5E_RQ_STATS(m)					\
368   m(+1, u64 packets, "packets", "Received packets")		\
369   m(+1, u64 csum_none, "csum_none", "Received packets")		\
370   m(+1, u64 lro_packets, "lro_packets", "Received packets")	\
371   m(+1, u64 lro_bytes, "lro_bytes", "Received packets")		\
372   m(+1, u64 sw_lro_queued, "sw_lro_queued", "Packets queued for SW LRO")	\
373   m(+1, u64 sw_lro_flushed, "sw_lro_flushed", "Packets flushed from SW LRO")	\
374   m(+1, u64 wqe_err, "wqe_err", "Received packets")
375 
376 #define	MLX5E_RQ_STATS_NUM (0 MLX5E_RQ_STATS(MLX5E_STATS_COUNT))
377 
378 struct mlx5e_rq_stats {
379 	struct	sysctl_ctx_list ctx;
380 	u64	arg [0];
381 	MLX5E_RQ_STATS(MLX5E_STATS_VAR)
382 };
383 
384 #define	MLX5E_SQ_STATS(m)						\
385   m(+1, u64 packets, "packets", "Transmitted packets")			\
386   m(+1, u64 tso_packets, "tso_packets", "Transmitted packets")		\
387   m(+1, u64 tso_bytes, "tso_bytes", "Transmitted bytes")		\
388   m(+1, u64 csum_offload_none, "csum_offload_none", "Transmitted packets")	\
389   m(+1, u64 defragged, "defragged", "Transmitted packets")		\
390   m(+1, u64 dropped, "dropped", "Transmitted packets")			\
391   m(+1, u64 nop, "nop", "Transmitted packets")
392 
393 #define	MLX5E_SQ_STATS_NUM (0 MLX5E_SQ_STATS(MLX5E_STATS_COUNT))
394 
395 struct mlx5e_sq_stats {
396 	struct	sysctl_ctx_list ctx;
397 	u64	arg [0];
398 	MLX5E_SQ_STATS(MLX5E_STATS_VAR)
399 };
400 
401 struct mlx5e_stats {
402 	struct mlx5e_vport_stats vport;
403 	struct mlx5e_pport_stats pport;
404 	struct mlx5e_port_stats_debug port_stats_debug;
405 };
406 
407 struct mlx5e_rq_param {
408 	u32	rqc [MLX5_ST_SZ_DW(rqc)];
409 	struct mlx5_wq_param wq;
410 };
411 
412 struct mlx5e_sq_param {
413 	u32	sqc [MLX5_ST_SZ_DW(sqc)];
414 	struct mlx5_wq_param wq;
415 };
416 
417 struct mlx5e_cq_param {
418 	u32	cqc [MLX5_ST_SZ_DW(cqc)];
419 	struct mlx5_wq_param wq;
420 };
421 
422 struct mlx5e_params {
423 	u8	log_sq_size;
424 	u8	log_rq_size;
425 	u16	num_channels;
426 	u8	default_vlan_prio;
427 	u8	num_tc;
428 	u8	rx_cq_moderation_mode;
429 	u8	tx_cq_moderation_mode;
430 	u16	rx_cq_moderation_usec;
431 	u16	rx_cq_moderation_pkts;
432 	u16	tx_cq_moderation_usec;
433 	u16	tx_cq_moderation_pkts;
434 	u16	min_rx_wqes;
435 	bool	hw_lro_en;
436 	bool	cqe_zipping_en;
437 	u32	lro_wqe_sz;
438 	u16	rx_hash_log_tbl_sz;
439 	u32	tx_pauseframe_control __aligned(4);
440 	u32	rx_pauseframe_control __aligned(4);
441 	u32	tx_priority_flow_control __aligned(4);
442 	u32	rx_priority_flow_control __aligned(4);
443 };
444 
445 #define	MLX5E_PARAMS(m)							\
446   m(+1, u64 tx_queue_size_max, "tx_queue_size_max", "Max send queue size") \
447   m(+1, u64 rx_queue_size_max, "rx_queue_size_max", "Max receive queue size") \
448   m(+1, u64 tx_queue_size, "tx_queue_size", "Default send queue size")	\
449   m(+1, u64 rx_queue_size, "rx_queue_size", "Default receive queue size") \
450   m(+1, u64 channels, "channels", "Default number of channels")		\
451   m(+1, u64 coalesce_usecs_max, "coalesce_usecs_max", "Maximum usecs for joining packets") \
452   m(+1, u64 coalesce_pkts_max, "coalesce_pkts_max", "Maximum packets to join") \
453   m(+1, u64 rx_coalesce_usecs, "rx_coalesce_usecs", "Limit in usec for joining rx packets") \
454   m(+1, u64 rx_coalesce_pkts, "rx_coalesce_pkts", "Maximum number of rx packets to join") \
455   m(+1, u64 rx_coalesce_mode, "rx_coalesce_mode", "0: EQE mode 1: CQE mode") \
456   m(+1, u64 tx_coalesce_usecs, "tx_coalesce_usecs", "Limit in usec for joining tx packets") \
457   m(+1, u64 tx_coalesce_pkts, "tx_coalesce_pkts", "Maximum number of tx packets to join") \
458   m(+1, u64 tx_coalesce_mode, "tx_coalesce_mode", "0: EQE mode 1: CQE mode") \
459   m(+1, u64 tx_bufring_disable, "tx_bufring_disable", "0: Enable bufring 1: Disable bufring") \
460   m(+1, u64 tx_completion_fact, "tx_completion_fact", "1..MAX: Completion event ratio") \
461   m(+1, u64 tx_completion_fact_max, "tx_completion_fact_max", "Maximum completion event ratio") \
462   m(+1, u64 hw_lro, "hw_lro", "set to enable hw_lro") \
463   m(+1, u64 cqe_zipping, "cqe_zipping", "0 : CQE zipping disabled") \
464   m(+1, u64 modify_tx_dma, "modify_tx_dma", "0: Enable TX 1: Disable TX") \
465   m(+1, u64 modify_rx_dma, "modify_rx_dma", "0: Enable RX 1: Disable RX") \
466   m(+1, u64 diag_pci_enable, "diag_pci_enable", "0: Disabled 1: Enabled") \
467   m(+1, u64 diag_general_enable, "diag_general_enable", "0: Disabled 1: Enabled") \
468   m(+1, u64 hw_mtu, "hw_mtu", "Current hardware MTU value") \
469   m(+1, u64 mc_local_lb, "mc_local_lb", "0: Local multicast loopback enabled 1: Disabled") \
470   m(+1, u64 uc_local_lb, "uc_local_lb", "0: Local unicast loopback enabled 1: Disabled")
471 
472 
473 #define	MLX5E_PARAMS_NUM (0 MLX5E_PARAMS(MLX5E_STATS_COUNT))
474 
475 struct mlx5e_params_ethtool {
476 	u64	arg [0];
477 	MLX5E_PARAMS(MLX5E_STATS_VAR)
478 	u64	max_bw_value[IEEE_8021QAZ_MAX_TCS];
479 	u8	prio_tc[IEEE_8021QAZ_MAX_TCS];
480 };
481 
482 /* EEPROM Standards for plug in modules */
483 #ifndef MLX5E_ETH_MODULE_SFF_8472
484 #define	MLX5E_ETH_MODULE_SFF_8472	0x1
485 #define	MLX5E_ETH_MODULE_SFF_8472_LEN	128
486 #endif
487 
488 #ifndef MLX5E_ETH_MODULE_SFF_8636
489 #define	MLX5E_ETH_MODULE_SFF_8636	0x2
490 #define	MLX5E_ETH_MODULE_SFF_8636_LEN	256
491 #endif
492 
493 #ifndef MLX5E_ETH_MODULE_SFF_8436
494 #define	MLX5E_ETH_MODULE_SFF_8436	0x3
495 #define	MLX5E_ETH_MODULE_SFF_8436_LEN	256
496 #endif
497 
498 /* EEPROM I2C Addresses */
499 #define	MLX5E_I2C_ADDR_LOW		0x50
500 #define	MLX5E_I2C_ADDR_HIGH		0x51
501 
502 #define	MLX5E_EEPROM_LOW_PAGE		0x0
503 #define	MLX5E_EEPROM_HIGH_PAGE		0x3
504 
505 #define	MLX5E_EEPROM_HIGH_PAGE_OFFSET	128
506 #define	MLX5E_EEPROM_PAGE_LENGTH	256
507 
508 #define	MLX5E_EEPROM_INFO_BYTES		0x3
509 
510 struct mlx5e_cq {
511 	/* data path - accessed per cqe */
512 	struct mlx5_cqwq wq;
513 
514 	/* data path - accessed per HW polling */
515 	struct mlx5_core_cq mcq;
516 
517 	/* control */
518 	struct mlx5e_priv *priv;
519 	struct mlx5_wq_ctrl wq_ctrl;
520 } __aligned(MLX5E_CACHELINE_SIZE);
521 
522 struct mlx5e_rq_mbuf {
523 	bus_dmamap_t	dma_map;
524 	caddr_t		data;
525 	struct mbuf	*mbuf;
526 };
527 
528 struct mlx5e_rq {
529 	/* data path */
530 	struct mlx5_wq_ll wq;
531 	struct mtx mtx;
532 	bus_dma_tag_t dma_tag;
533 	u32	wqe_sz;
534 	struct mlx5e_rq_mbuf *mbuf;
535 	struct ifnet *ifp;
536 	struct mlx5e_rq_stats stats;
537 	struct mlx5e_cq cq;
538 	struct lro_ctrl lro;
539 	volatile int enabled;
540 	int	ix;
541 
542 	/* control */
543 	struct mlx5_wq_ctrl wq_ctrl;
544 	u32	rqn;
545 	struct mlx5e_channel *channel;
546 	struct callout watchdog;
547 } __aligned(MLX5E_CACHELINE_SIZE);
548 
549 struct mlx5e_sq_mbuf {
550 	bus_dmamap_t dma_map;
551 	struct mbuf *mbuf;
552 	u32	num_bytes;
553 	u32	num_wqebbs;
554 };
555 
556 enum {
557 	MLX5E_SQ_READY,
558 	MLX5E_SQ_FULL
559 };
560 
561 struct mlx5e_sq {
562 	/* data path */
563 	struct	mtx lock;
564 	bus_dma_tag_t dma_tag;
565 	struct	mtx comp_lock;
566 
567 	/* dirtied @completion */
568 	u16	cc;
569 
570 	/* dirtied @xmit */
571 	u16	pc __aligned(MLX5E_CACHELINE_SIZE);
572 	u16	bf_offset;
573 	u16	cev_counter;		/* completion event counter */
574 	u16	cev_factor;		/* completion event factor */
575 	u16	cev_next_state;		/* next completion event state */
576 #define	MLX5E_CEV_STATE_INITIAL 0	/* timer not started */
577 #define	MLX5E_CEV_STATE_SEND_NOPS 1	/* send NOPs */
578 #define	MLX5E_CEV_STATE_HOLD_NOPS 2	/* don't send NOPs yet */
579 	u16	stopped;		/* set if SQ is stopped */
580 	struct callout cev_callout;
581 	union {
582 		u32	d32[2];
583 		u64	d64;
584 	} doorbell;
585 	struct	mlx5e_sq_stats stats;
586 
587 	struct	mlx5e_cq cq;
588 	struct	task sq_task;
589 	struct	taskqueue *sq_tq;
590 
591 	/* pointers to per packet info: write@xmit, read@completion */
592 	struct	mlx5e_sq_mbuf *mbuf;
593 	struct	buf_ring *br;
594 
595 	/* read only */
596 	struct	mlx5_wq_cyc wq;
597 	struct	mlx5_uar uar;
598 	struct	ifnet *ifp;
599 	u32	sqn;
600 	u32	bf_buf_size;
601 	u32	mkey_be;
602 
603 	/* control path */
604 	struct	mlx5_wq_ctrl wq_ctrl;
605 	struct	mlx5e_priv *priv;
606 	int	tc;
607 	unsigned int queue_state;
608 } __aligned(MLX5E_CACHELINE_SIZE);
609 
610 static inline bool
611 mlx5e_sq_has_room_for(struct mlx5e_sq *sq, u16 n)
612 {
613 	u16 cc = sq->cc;
614 	u16 pc = sq->pc;
615 
616 	return ((sq->wq.sz_m1 & (cc - pc)) >= n || cc == pc);
617 }
618 
619 struct mlx5e_channel {
620 	/* data path */
621 	struct mlx5e_rq rq;
622 	struct mlx5e_sq sq[MLX5E_MAX_TX_NUM_TC];
623 	struct ifnet *ifp;
624 	u32	mkey_be;
625 	u8	num_tc;
626 
627 	/* control */
628 	struct mlx5e_priv *priv;
629 	int	ix;
630 	int	cpu;
631 } __aligned(MLX5E_CACHELINE_SIZE);
632 
633 enum mlx5e_traffic_types {
634 	MLX5E_TT_IPV4_TCP,
635 	MLX5E_TT_IPV6_TCP,
636 	MLX5E_TT_IPV4_UDP,
637 	MLX5E_TT_IPV6_UDP,
638 	MLX5E_TT_IPV4_IPSEC_AH,
639 	MLX5E_TT_IPV6_IPSEC_AH,
640 	MLX5E_TT_IPV4_IPSEC_ESP,
641 	MLX5E_TT_IPV6_IPSEC_ESP,
642 	MLX5E_TT_IPV4,
643 	MLX5E_TT_IPV6,
644 	MLX5E_TT_ANY,
645 	MLX5E_NUM_TT,
646 };
647 
648 enum {
649 	MLX5E_RQT_SPREADING = 0,
650 	MLX5E_RQT_DEFAULT_RQ = 1,
651 	MLX5E_NUM_RQT = 2,
652 };
653 
654 struct mlx5_flow_rule;
655 
656 struct mlx5e_eth_addr_info {
657 	u8	addr [ETH_ALEN + 2];
658 	u32	tt_vec;
659 	/* flow table rule per traffic type */
660 	struct mlx5_flow_rule	*ft_rule[MLX5E_NUM_TT];
661 };
662 
663 #define	MLX5E_ETH_ADDR_HASH_SIZE (1 << BITS_PER_BYTE)
664 
665 struct mlx5e_eth_addr_hash_node;
666 
667 struct mlx5e_eth_addr_hash_head {
668 	struct mlx5e_eth_addr_hash_node *lh_first;
669 };
670 
671 struct mlx5e_eth_addr_db {
672 	struct mlx5e_eth_addr_hash_head if_uc[MLX5E_ETH_ADDR_HASH_SIZE];
673 	struct mlx5e_eth_addr_hash_head if_mc[MLX5E_ETH_ADDR_HASH_SIZE];
674 	struct mlx5e_eth_addr_info broadcast;
675 	struct mlx5e_eth_addr_info allmulti;
676 	struct mlx5e_eth_addr_info promisc;
677 	bool	broadcast_enabled;
678 	bool	allmulti_enabled;
679 	bool	promisc_enabled;
680 };
681 
682 enum {
683 	MLX5E_STATE_ASYNC_EVENTS_ENABLE,
684 	MLX5E_STATE_OPENED,
685 };
686 
687 enum {
688 	MLX5_BW_NO_LIMIT   = 0,
689 	MLX5_100_MBPS_UNIT = 3,
690 	MLX5_GBPS_UNIT     = 4,
691 };
692 
693 struct mlx5e_vlan_db {
694 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
695 	struct mlx5_flow_rule	*active_vlans_ft_rule[VLAN_N_VID];
696 	struct mlx5_flow_rule	*untagged_ft_rule;
697 	struct mlx5_flow_rule	*any_cvlan_ft_rule;
698 	struct mlx5_flow_rule	*any_svlan_ft_rule;
699 	bool	filter_disabled;
700 };
701 
702 struct mlx5e_flow_table {
703 	int num_groups;
704 	struct mlx5_flow_table *t;
705 	struct mlx5_flow_group **g;
706 };
707 
708 struct mlx5e_flow_tables {
709 	struct mlx5_flow_namespace *ns;
710 	struct mlx5e_flow_table vlan;
711 	struct mlx5e_flow_table main;
712 	struct mlx5e_flow_table inner_rss;
713 };
714 
715 #ifdef RATELIMIT
716 #include "en_rl.h"
717 #endif
718 
719 #define	MLX5E_TSTMP_PREC 10
720 
721 struct mlx5e_clbr_point {
722 	uint64_t base_curr;
723 	uint64_t base_prev;
724 	uint64_t clbr_hw_prev;
725 	uint64_t clbr_hw_curr;
726 	u_int clbr_gen;
727 };
728 
729 struct mlx5e_priv {
730 	struct mlx5_core_dev *mdev;     /* must be first */
731 
732 	/* priv data path fields - start */
733 	int	order_base_2_num_channels;
734 	int	queue_mapping_channel_mask;
735 	int	num_tc;
736 	int	default_vlan_prio;
737 	/* priv data path fields - end */
738 
739 	unsigned long state;
740 	int	gone;
741 #define	PRIV_LOCK(priv) sx_xlock(&(priv)->state_lock)
742 #define	PRIV_UNLOCK(priv) sx_xunlock(&(priv)->state_lock)
743 #define	PRIV_LOCKED(priv) sx_xlocked(&(priv)->state_lock)
744 	struct sx state_lock;		/* Protects Interface state */
745 	struct mlx5_uar cq_uar;
746 	u32	pdn;
747 	u32	tdn;
748 	struct mlx5_core_mr mr;
749 
750 	struct mlx5e_channel *volatile *channel;
751 	u32	tisn[MLX5E_MAX_TX_NUM_TC];
752 	u32	rqtn;
753 	u32	tirn[MLX5E_NUM_TT];
754 
755 	struct mlx5e_flow_tables fts;
756 	struct mlx5e_eth_addr_db eth_addr;
757 	struct mlx5e_vlan_db vlan;
758 
759 	struct mlx5e_params params;
760 	struct mlx5e_params_ethtool params_ethtool;
761 	union mlx5_core_pci_diagnostics params_pci;
762 	union mlx5_core_general_diagnostics params_general;
763 	struct mtx async_events_mtx;	/* sync hw events */
764 	struct work_struct update_stats_work;
765 	struct work_struct update_carrier_work;
766 	struct work_struct set_rx_mode_work;
767 	MLX5_DECLARE_DOORBELL_LOCK(doorbell_lock)
768 
769 	struct ifnet *ifp;
770 	struct sysctl_ctx_list sysctl_ctx;
771 	struct sysctl_oid *sysctl_ifnet;
772 	struct sysctl_oid *sysctl_hw;
773 	int	sysctl_debug;
774 	struct mlx5e_stats stats;
775 	int	counter_set_id;
776 
777 	struct workqueue_struct *wq;
778 
779 	eventhandler_tag vlan_detach;
780 	eventhandler_tag vlan_attach;
781 	struct ifmedia media;
782 	int	media_status_last;
783 	int	media_active_last;
784 
785 	struct callout watchdog;
786 #ifdef RATELIMIT
787 	struct mlx5e_rl_priv_data rl;
788 #endif
789 
790 	struct callout tstmp_clbr;
791 	int	clbr_done;
792 	int	clbr_curr;
793 	struct mlx5e_clbr_point clbr_points[2];
794 	u_int	clbr_gen;
795 };
796 
797 #define	MLX5E_NET_IP_ALIGN 2
798 
799 struct mlx5e_tx_wqe {
800 	struct mlx5_wqe_ctrl_seg ctrl;
801 	struct mlx5_wqe_eth_seg eth;
802 };
803 
804 struct mlx5e_rx_wqe {
805 	struct mlx5_wqe_srq_next_seg next;
806 	struct mlx5_wqe_data_seg data;
807 };
808 
809 struct mlx5e_eeprom {
810 	int	lock_bit;
811 	int	i2c_addr;
812 	int	page_num;
813 	int	device_addr;
814 	int	module_num;
815 	int	len;
816 	int	type;
817 	int	page_valid;
818 	u32	*data;
819 };
820 
821 /*
822  * This structure contains rate limit extension to the IEEE 802.1Qaz ETS
823  * managed object.
824  * Values are 64 bits long and specified in Kbps to enable usage over both
825  * slow and very fast networks.
826  *
827  * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class
828  */
829 struct ieee_maxrate {
830 	__u64	tc_maxrate[IEEE_8021QAZ_MAX_TCS];
831 };
832 
833 
834 #define	MLX5E_FLD_MAX(typ, fld) ((1ULL << __mlx5_bit_sz(typ, fld)) - 1ULL)
835 
836 int	mlx5e_xmit(struct ifnet *, struct mbuf *);
837 
838 int	mlx5e_open_locked(struct ifnet *);
839 int	mlx5e_close_locked(struct ifnet *);
840 
841 void	mlx5e_cq_error_event(struct mlx5_core_cq *mcq, int event);
842 void	mlx5e_rx_cq_comp(struct mlx5_core_cq *);
843 void	mlx5e_tx_cq_comp(struct mlx5_core_cq *);
844 struct mlx5_cqe64 *mlx5e_get_cqe(struct mlx5e_cq *cq);
845 void	mlx5e_tx_que(void *context, int pending);
846 
847 int	mlx5e_open_flow_table(struct mlx5e_priv *priv);
848 void	mlx5e_close_flow_table(struct mlx5e_priv *priv);
849 void	mlx5e_set_rx_mode_core(struct mlx5e_priv *priv);
850 void	mlx5e_set_rx_mode_work(struct work_struct *work);
851 
852 void	mlx5e_vlan_rx_add_vid(void *, struct ifnet *, u16);
853 void	mlx5e_vlan_rx_kill_vid(void *, struct ifnet *, u16);
854 void	mlx5e_enable_vlan_filter(struct mlx5e_priv *priv);
855 void	mlx5e_disable_vlan_filter(struct mlx5e_priv *priv);
856 int	mlx5e_add_all_vlan_rules(struct mlx5e_priv *priv);
857 void	mlx5e_del_all_vlan_rules(struct mlx5e_priv *priv);
858 
859 static inline void
860 mlx5e_tx_notify_hw(struct mlx5e_sq *sq, u32 *wqe, int bf_sz)
861 {
862 	u16 ofst = MLX5_BF_OFFSET + sq->bf_offset;
863 
864 	/* ensure wqe is visible to device before updating doorbell record */
865 	wmb();
866 
867 	*sq->wq.db = cpu_to_be32(sq->pc);
868 
869 	/*
870 	 * Ensure the doorbell record is visible to device before ringing
871 	 * the doorbell:
872 	 */
873 	wmb();
874 
875 	if (bf_sz) {
876 		__iowrite64_copy(sq->uar.bf_map + ofst, wqe, bf_sz);
877 
878 		/* flush the write-combining mapped buffer */
879 		wmb();
880 
881 	} else {
882 		mlx5_write64(wqe, sq->uar.map + ofst,
883 		    MLX5_GET_DOORBELL_LOCK(&sq->priv->doorbell_lock));
884 	}
885 
886 	sq->bf_offset ^= sq->bf_buf_size;
887 }
888 
889 static inline void
890 mlx5e_cq_arm(struct mlx5e_cq *cq, spinlock_t *dblock)
891 {
892 	struct mlx5_core_cq *mcq;
893 
894 	mcq = &cq->mcq;
895 	mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, dblock, cq->wq.cc);
896 }
897 
898 extern const struct ethtool_ops mlx5e_ethtool_ops;
899 void	mlx5e_create_ethtool(struct mlx5e_priv *);
900 void	mlx5e_create_stats(struct sysctl_ctx_list *,
901     struct sysctl_oid_list *, const char *,
902     const char **, unsigned, u64 *);
903 void	mlx5e_send_nop(struct mlx5e_sq *, u32);
904 void	mlx5e_sq_cev_timeout(void *);
905 int	mlx5e_refresh_channel_params(struct mlx5e_priv *);
906 int	mlx5e_open_cq(struct mlx5e_priv *, struct mlx5e_cq_param *,
907     struct mlx5e_cq *, mlx5e_cq_comp_t *, int eq_ix);
908 void	mlx5e_close_cq(struct mlx5e_cq *);
909 void	mlx5e_free_sq_db(struct mlx5e_sq *);
910 int	mlx5e_alloc_sq_db(struct mlx5e_sq *);
911 int	mlx5e_enable_sq(struct mlx5e_sq *, struct mlx5e_sq_param *, int tis_num);
912 int	mlx5e_modify_sq(struct mlx5e_sq *, int curr_state, int next_state);
913 void	mlx5e_disable_sq(struct mlx5e_sq *);
914 void	mlx5e_drain_sq(struct mlx5e_sq *);
915 void	mlx5e_modify_tx_dma(struct mlx5e_priv *priv, uint8_t value);
916 void	mlx5e_modify_rx_dma(struct mlx5e_priv *priv, uint8_t value);
917 void	mlx5e_resume_sq(struct mlx5e_sq *sq);
918 
919 #endif					/* _MLX5_EN_H_ */
920