en.h revision 347864
1/*-
2 * Copyright (c) 2015-2019 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: stable/11/sys/dev/mlx5/mlx5_en/en.h 347864 2019-05-16 18:16:08Z hselasky $
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#include <linux/ktime.h>
42#include <linux/net_dim.h>
43
44#include <netinet/in_systm.h>
45#include <netinet/in.h>
46#include <netinet/if_ether.h>
47#include <netinet/ip.h>
48#include <netinet/ip6.h>
49#include <netinet/tcp.h>
50#include <netinet/tcp_lro.h>
51#include <netinet/udp.h>
52#include <net/ethernet.h>
53#include <sys/buf_ring.h>
54
55#include "opt_rss.h"
56
57#ifdef	RSS
58#include <net/rss_config.h>
59#include <netinet/in_rss.h>
60#endif
61
62#include <machine/bus.h>
63
64#include <dev/mlx5/driver.h>
65#include <dev/mlx5/qp.h>
66#include <dev/mlx5/cq.h>
67#include <dev/mlx5/port.h>
68#include <dev/mlx5/vport.h>
69#include <dev/mlx5/diagnostics.h>
70
71#include <dev/mlx5/mlx5_core/wq.h>
72#include <dev/mlx5/mlx5_core/transobj.h>
73#include <dev/mlx5/mlx5_core/mlx5_core.h>
74
75#define	MLX5E_MAX_PRIORITY 8
76
77/* IEEE 802.1Qaz standard supported values */
78#define	IEEE_8021QAZ_MAX_TCS	8
79
80#define	MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE                0x7
81#define	MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE                0xa
82#define	MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE                0xe
83
84#define	MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE                0x7
85#define	MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE                0xa
86#define	MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE                0xe
87
88#define	MLX5E_MAX_RX_SEGS 7
89
90#ifndef MLX5E_MAX_RX_BYTES
91#define	MLX5E_MAX_RX_BYTES MCLBYTES
92#endif
93
94#if (MLX5E_MAX_RX_SEGS == 1)
95/* FreeBSD HW LRO is limited by 16KB - the size of max mbuf */
96#define	MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ                 MJUM16BYTES
97#else
98#define	MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ \
99    MIN(65535, MLX5E_MAX_RX_SEGS * MLX5E_MAX_RX_BYTES)
100#endif
101#define	MLX5E_DIM_DEFAULT_PROFILE 3
102#define	MLX5E_DIM_MAX_RX_CQ_MODERATION_PKTS_WITH_LRO	16
103#define	MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC      0x10
104#define	MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE	0x3
105#define	MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS      0x20
106#define	MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC      0x10
107#define	MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS      0x20
108#define	MLX5E_PARAMS_DEFAULT_MIN_RX_WQES                0x80
109#define	MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ         0x7
110#define	MLX5E_CACHELINE_SIZE CACHE_LINE_SIZE
111#define	MLX5E_HW2SW_MTU(hwmtu) \
112    ((hwmtu) - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN))
113#define	MLX5E_SW2HW_MTU(swmtu) \
114    ((swmtu) + (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN))
115#define	MLX5E_SW2MB_MTU(swmtu) \
116    (MLX5E_SW2HW_MTU(swmtu) + MLX5E_NET_IP_ALIGN)
117#define	MLX5E_MTU_MIN		72	/* Min MTU allowed by the kernel */
118#define	MLX5E_MTU_MAX		MIN(ETHERMTU_JUMBO, MJUM16BYTES)	/* Max MTU of Ethernet
119									 * jumbo frames */
120
121#define	MLX5E_BUDGET_MAX	8192	/* RX and TX */
122#define	MLX5E_RX_BUDGET_MAX	256
123#define	MLX5E_SQ_BF_BUDGET	16
124#define	MLX5E_SQ_TX_QUEUE_SIZE	4096	/* SQ drbr queue size */
125
126#define	MLX5E_MAX_TX_NUM_TC	8	/* units */
127#define	MLX5E_MAX_TX_HEADER	128	/* bytes */
128#define	MLX5E_MAX_TX_PAYLOAD_SIZE	65536	/* bytes */
129#define	MLX5E_MAX_TX_MBUF_SIZE	65536	/* bytes */
130#define	MLX5E_MAX_TX_MBUF_FRAGS	\
131    ((MLX5_SEND_WQE_MAX_WQEBBS * MLX5_SEND_WQEBB_NUM_DS) - \
132    (MLX5E_MAX_TX_HEADER / MLX5_SEND_WQE_DS) - \
133    1 /* the maximum value of the DS counter is 0x3F and not 0x40 */)	/* units */
134#define	MLX5E_MAX_TX_INLINE \
135  (MLX5E_MAX_TX_HEADER - sizeof(struct mlx5e_tx_wqe) + \
136  sizeof(((struct mlx5e_tx_wqe *)0)->eth.inline_hdr_start))	/* bytes */
137
138#define	MLX5E_100MB (100000)
139#define	MLX5E_1GB   (1000000)
140
141MALLOC_DECLARE(M_MLX5EN);
142
143struct mlx5_core_dev;
144struct mlx5e_cq;
145
146typedef void (mlx5e_cq_comp_t)(struct mlx5_core_cq *);
147
148#define	MLX5E_STATS_COUNT(a, ...) a
149#define	MLX5E_STATS_VAR(a, b, c, ...) b c;
150#define	MLX5E_STATS_DESC(a, b, c, d, e, ...) d, e,
151
152#define	MLX5E_VPORT_STATS(m)						\
153  /* HW counters */							\
154  m(+1, u64, rx_packets, "rx_packets", "Received packets")		\
155  m(+1, u64, rx_bytes, "rx_bytes", "Received bytes")			\
156  m(+1, u64, tx_packets, "tx_packets", "Transmitted packets")		\
157  m(+1, u64, tx_bytes, "tx_bytes", "Transmitted bytes")			\
158  m(+1, u64, rx_error_packets, "rx_error_packets", "Received error packets") \
159  m(+1, u64, rx_error_bytes, "rx_error_bytes", "Received error bytes")	\
160  m(+1, u64, tx_error_packets, "tx_error_packets", "Transmitted error packets") \
161  m(+1, u64, tx_error_bytes, "tx_error_bytes", "Transmitted error bytes") \
162  m(+1, u64, rx_unicast_packets, "rx_unicast_packets", "Received unicast packets") \
163  m(+1, u64, rx_unicast_bytes, "rx_unicast_bytes", "Received unicast bytes") \
164  m(+1, u64, tx_unicast_packets, "tx_unicast_packets", "Transmitted unicast packets") \
165  m(+1, u64, tx_unicast_bytes, "tx_unicast_bytes", "Transmitted unicast bytes") \
166  m(+1, u64, rx_multicast_packets, "rx_multicast_packets", "Received multicast packets") \
167  m(+1, u64, rx_multicast_bytes, "rx_multicast_bytes", "Received multicast bytes") \
168  m(+1, u64, tx_multicast_packets, "tx_multicast_packets", "Transmitted multicast packets") \
169  m(+1, u64, tx_multicast_bytes, "tx_multicast_bytes", "Transmitted multicast bytes") \
170  m(+1, u64, rx_broadcast_packets, "rx_broadcast_packets", "Received broadcast packets") \
171  m(+1, u64, rx_broadcast_bytes, "rx_broadcast_bytes", "Received broadcast bytes") \
172  m(+1, u64, tx_broadcast_packets, "tx_broadcast_packets", "Transmitted broadcast packets") \
173  m(+1, u64, tx_broadcast_bytes, "tx_broadcast_bytes", "Transmitted broadcast bytes") \
174  m(+1, u64, rx_out_of_buffer, "rx_out_of_buffer", "Receive out of buffer, no recv wqes events") \
175  /* SW counters */							\
176  m(+1, u64, tso_packets, "tso_packets", "Transmitted TSO packets")	\
177  m(+1, u64, tso_bytes, "tso_bytes", "Transmitted TSO bytes")		\
178  m(+1, u64, lro_packets, "lro_packets", "Received LRO packets")		\
179  m(+1, u64, lro_bytes, "lro_bytes", "Received LRO bytes")		\
180  m(+1, u64, sw_lro_queued, "sw_lro_queued", "Packets queued for SW LRO")	\
181  m(+1, u64, sw_lro_flushed, "sw_lro_flushed", "Packets flushed from SW LRO")	\
182  m(+1, u64, rx_csum_good, "rx_csum_good", "Received checksum valid packets") \
183  m(+1, u64, rx_csum_none, "rx_csum_none", "Received no checksum packets") \
184  m(+1, u64, tx_csum_offload, "tx_csum_offload", "Transmit checksum offload packets") \
185  m(+1, u64, tx_queue_dropped, "tx_queue_dropped", "Transmit queue dropped") \
186  m(+1, u64, tx_defragged, "tx_defragged", "Transmit queue defragged") \
187  m(+1, u64, rx_wqe_err, "rx_wqe_err", "Receive WQE errors") \
188  m(+1, u64, tx_jumbo_packets, "tx_jumbo_packets", "TX packets greater than 1518 octets") \
189  m(+1, u64, rx_steer_missed_packets, "rx_steer_missed_packets", "RX packets dropped by steering rule(s)")
190
191#define	MLX5E_VPORT_STATS_NUM (0 MLX5E_VPORT_STATS(MLX5E_STATS_COUNT))
192
193struct mlx5e_vport_stats {
194	struct	sysctl_ctx_list ctx;
195	u64	arg [0];
196	MLX5E_VPORT_STATS(MLX5E_STATS_VAR)
197};
198
199#define	MLX5E_PPORT_IEEE802_3_STATS(m)					\
200  m(+1, u64, frames_tx, "frames_tx", "Frames transmitted")		\
201  m(+1, u64, frames_rx, "frames_rx", "Frames received")			\
202  m(+1, u64, check_seq_err, "check_seq_err", "Sequence errors")		\
203  m(+1, u64, alignment_err, "alignment_err", "Alignment errors")	\
204  m(+1, u64, octets_tx, "octets_tx", "Bytes transmitted")		\
205  m(+1, u64, octets_received, "octets_received", "Bytes received")	\
206  m(+1, u64, multicast_xmitted, "multicast_xmitted", "Multicast transmitted") \
207  m(+1, u64, broadcast_xmitted, "broadcast_xmitted", "Broadcast transmitted") \
208  m(+1, u64, multicast_rx, "multicast_rx", "Multicast received")	\
209  m(+1, u64, broadcast_rx, "broadcast_rx", "Broadcast received")	\
210  m(+1, u64, in_range_len_errors, "in_range_len_errors", "In range length errors") \
211  m(+1, u64, out_of_range_len, "out_of_range_len", "Out of range length errors") \
212  m(+1, u64, too_long_errors, "too_long_errors", "Too long errors")	\
213  m(+1, u64, symbol_err, "symbol_err", "Symbol errors")			\
214  m(+1, u64, mac_control_tx, "mac_control_tx", "MAC control transmitted") \
215  m(+1, u64, mac_control_rx, "mac_control_rx", "MAC control received")	\
216  m(+1, u64, unsupported_op_rx, "unsupported_op_rx", "Unsupported operation received") \
217  m(+1, u64, pause_ctrl_rx, "pause_ctrl_rx", "Pause control received")	\
218  m(+1, u64, pause_ctrl_tx, "pause_ctrl_tx", "Pause control transmitted")
219
220#define	MLX5E_PPORT_RFC2819_STATS(m)					\
221  m(+1, u64, drop_events, "drop_events", "Dropped events")		\
222  m(+1, u64, octets, "octets", "Octets")					\
223  m(+1, u64, pkts, "pkts", "Packets")					\
224  m(+1, u64, broadcast_pkts, "broadcast_pkts", "Broadcast packets")	\
225  m(+1, u64, multicast_pkts, "multicast_pkts", "Multicast packets")	\
226  m(+1, u64, crc_align_errors, "crc_align_errors", "CRC alignment errors") \
227  m(+1, u64, undersize_pkts, "undersize_pkts", "Undersized packets")	\
228  m(+1, u64, oversize_pkts, "oversize_pkts", "Oversized packets")	\
229  m(+1, u64, fragments, "fragments", "Fragments")			\
230  m(+1, u64, jabbers, "jabbers", "Jabbers")				\
231  m(+1, u64, collisions, "collisions", "Collisions")
232
233#define	MLX5E_PPORT_RFC2819_STATS_DEBUG(m)				\
234  m(+1, u64, p64octets, "p64octets", "Bytes")				\
235  m(+1, u64, p65to127octets, "p65to127octets", "Bytes")			\
236  m(+1, u64, p128to255octets, "p128to255octets", "Bytes")		\
237  m(+1, u64, p256to511octets, "p256to511octets", "Bytes")		\
238  m(+1, u64, p512to1023octets, "p512to1023octets", "Bytes")		\
239  m(+1, u64, p1024to1518octets, "p1024to1518octets", "Bytes")		\
240  m(+1, u64, p1519to2047octets, "p1519to2047octets", "Bytes")		\
241  m(+1, u64, p2048to4095octets, "p2048to4095octets", "Bytes")		\
242  m(+1, u64, p4096to8191octets, "p4096to8191octets", "Bytes")		\
243  m(+1, u64, p8192to10239octets, "p8192to10239octets", "Bytes")
244
245#define	MLX5E_PPORT_RFC2863_STATS_DEBUG(m)				\
246  m(+1, u64, in_octets, "in_octets", "In octets")			\
247  m(+1, u64, in_ucast_pkts, "in_ucast_pkts", "In unicast packets")	\
248  m(+1, u64, in_discards, "in_discards", "In discards")			\
249  m(+1, u64, in_errors, "in_errors", "In errors")			\
250  m(+1, u64, in_unknown_protos, "in_unknown_protos", "In unknown protocols") \
251  m(+1, u64, out_octets, "out_octets", "Out octets")			\
252  m(+1, u64, out_ucast_pkts, "out_ucast_pkts", "Out unicast packets")	\
253  m(+1, u64, out_discards, "out_discards", "Out discards")		\
254  m(+1, u64, out_errors, "out_errors", "Out errors")			\
255  m(+1, u64, in_multicast_pkts, "in_multicast_pkts", "In multicast packets") \
256  m(+1, u64, in_broadcast_pkts, "in_broadcast_pkts", "In broadcast packets") \
257  m(+1, u64, out_multicast_pkts, "out_multicast_pkts", "Out multicast packets") \
258  m(+1, u64, out_broadcast_pkts, "out_broadcast_pkts", "Out broadcast packets")
259
260#define	MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG(m)				\
261  m(+1, u64, port_transmit_wait_high, "port_transmit_wait_high", "Port transmit wait high") \
262  m(+1, u64, ecn_marked, "ecn_marked", "ECN marked")			\
263  m(+1, u64, no_buffer_discard_mc, "no_buffer_discard_mc", "No buffer discard mc") \
264  m(+1, u64, rx_ebp, "rx_ebp", "RX EBP")					\
265  m(+1, u64, tx_ebp, "tx_ebp", "TX EBP")					\
266  m(+1, u64, rx_buffer_almost_full, "rx_buffer_almost_full", "RX buffer almost full") \
267  m(+1, u64, rx_buffer_full, "rx_buffer_full", "RX buffer full")	\
268  m(+1, u64, rx_icrc_encapsulated, "rx_icrc_encapsulated", "RX ICRC encapsulated") \
269  m(+1, u64, ex_reserved_0, "ex_reserved_0", "Reserved") \
270  m(+1, u64, ex_reserved_1, "ex_reserved_1", "Reserved") \
271  m(+1, u64, tx_stat_p64octets, "tx_stat_p64octets", "Bytes")			\
272  m(+1, u64, tx_stat_p65to127octets, "tx_stat_p65to127octets", "Bytes")		\
273  m(+1, u64, tx_stat_p128to255octets, "tx_stat_p128to255octets", "Bytes")	\
274  m(+1, u64, tx_stat_p256to511octets, "tx_stat_p256to511octets", "Bytes")	\
275  m(+1, u64, tx_stat_p512to1023octets, "tx_stat_p512to1023octets", "Bytes")	\
276  m(+1, u64, tx_stat_p1024to1518octets, "tx_stat_p1024to1518octets", "Bytes")	\
277  m(+1, u64, tx_stat_p1519to2047octets, "tx_stat_p1519to2047octets", "Bytes")	\
278  m(+1, u64, tx_stat_p2048to4095octets, "tx_stat_p2048to4095octets", "Bytes")	\
279  m(+1, u64, tx_stat_p4096to8191octets, "tx_stat_p4096to8191octets", "Bytes")	\
280  m(+1, u64, tx_stat_p8192to10239octets, "tx_stat_p8192to10239octets", "Bytes")
281
282#define	MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(m)			\
283  m(+1, u64, time_since_last_clear, "time_since_last_clear",		\
284    "Time since the last counters clear event (msec)")			\
285  m(+1, u64, symbol_errors, "symbol_errors", "Symbol errors")		\
286  m(+1, u64, sync_headers_errors, "sync_headers_errors",		\
287    "Sync header error counter")					\
288  m(+1, u64, bip_errors_lane0, "edpl_bip_errors_lane0",			\
289    "Indicates the number of PRBS errors on lane 0")			\
290  m(+1, u64, bip_errors_lane1, "edpl_bip_errors_lane1",			\
291    "Indicates the number of PRBS errors on lane 1")			\
292  m(+1, u64, bip_errors_lane2, "edpl_bip_errors_lane2",			\
293    "Indicates the number of PRBS errors on lane 2")			\
294  m(+1, u64, bip_errors_lane3, "edpl_bip_errors_lane3",			\
295    "Indicates the number of PRBS errors on lane 3")			\
296  m(+1, u64, fc_corrected_blocks_lane0, "fc_corrected_blocks_lane0",	\
297    "FEC correctable block counter lane 0")				\
298  m(+1, u64, fc_corrected_blocks_lane1, "fc_corrected_blocks_lane1",	\
299    "FEC correctable block counter lane 1")				\
300  m(+1, u64, fc_corrected_blocks_lane2, "fc_corrected_blocks_lane2",	\
301    "FEC correctable block counter lane 2")				\
302  m(+1, u64, fc_corrected_blocks_lane3, "fc_corrected_blocks_lane3",	\
303    "FEC correctable block counter lane 3")				\
304  m(+1, u64, rs_corrected_blocks, "rs_corrected_blocks",		\
305    "FEC correcable block counter")					\
306  m(+1, u64, rs_uncorrectable_blocks, "rs_uncorrectable_blocks",	\
307    "FEC uncorrecable block counter")					\
308  m(+1, u64, rs_no_errors_blocks, "rs_no_errors_blocks",		\
309    "The number of RS-FEC blocks received that had no errors")		\
310  m(+1, u64, rs_single_error_blocks, "rs_single_error_blocks",		\
311    "The number of corrected RS-FEC blocks received that had"		\
312    "exactly 1 error symbol")						\
313  m(+1, u64, rs_corrected_symbols_total, "rs_corrected_symbols_total",	\
314    "Port FEC corrected symbol counter")				\
315  m(+1, u64, rs_corrected_symbols_lane0, "rs_corrected_symbols_lane0",	\
316    "FEC corrected symbol counter lane 0")				\
317  m(+1, u64, rs_corrected_symbols_lane1, "rs_corrected_symbols_lane1",	\
318    "FEC corrected symbol counter lane 1")				\
319  m(+1, u64, rs_corrected_symbols_lane2, "rs_corrected_symbols_lane2",	\
320    "FEC corrected symbol counter lane 2")				\
321  m(+1, u64, rs_corrected_symbols_lane3, "rs_corrected_symbols_lane3",	\
322    "FEC corrected symbol counter lane 3")
323
324/* Per priority statistics for PFC */
325#define	MLX5E_PPORT_PER_PRIO_STATS_SUB(m,n,p)			\
326  m(n, p, +1, u64, rx_octets, "rx_octets", "Received octets")		\
327  m(n, p, +1, u64, reserved_0, "reserved_0", "Reserved")		\
328  m(n, p, +1, u64, reserved_1, "reserved_1", "Reserved")		\
329  m(n, p, +1, u64, reserved_2, "reserved_2", "Reserved")		\
330  m(n, p, +1, u64, rx_frames, "rx_frames", "Received frames")		\
331  m(n, p, +1, u64, tx_octets, "tx_octets", "Transmitted octets")	\
332  m(n, p, +1, u64, reserved_3, "reserved_3", "Reserved")		\
333  m(n, p, +1, u64, reserved_4, "reserved_4", "Reserved")		\
334  m(n, p, +1, u64, reserved_5, "reserved_5", "Reserved")		\
335  m(n, p, +1, u64, tx_frames, "tx_frames", "Transmitted frames")	\
336  m(n, p, +1, u64, rx_pause, "rx_pause", "Received pause frames")	\
337  m(n, p, +1, u64, rx_pause_duration, "rx_pause_duration",		\
338	"Received pause duration")					\
339  m(n, p, +1, u64, tx_pause, "tx_pause", "Transmitted pause frames")	\
340  m(n, p, +1, u64, tx_pause_duration, "tx_pause_duration",		\
341	"Transmitted pause duration")					\
342  m(n, p, +1, u64, rx_pause_transition, "rx_pause_transition",		\
343	"Received pause transitions")					\
344  m(n, p, +1, u64, rx_discards, "rx_discards", "Discarded received frames") \
345  m(n, p, +1, u64, device_stall_minor_watermark,			\
346	"device_stall_minor_watermark", "Device stall minor watermark")	\
347  m(n, p, +1, u64, device_stall_critical_watermark,			\
348	"device_stall_critical_watermark", "Device stall critical watermark")
349
350#define	MLX5E_PPORT_PER_PRIO_STATS_PREFIX(m,p,c,t,f,s,d) \
351  m(c, t, pri_##p##_##f, "prio" #p "_" s, "Priority " #p " - " d)
352
353#define	MLX5E_PPORT_PER_PRIO_STATS_NUM_PRIO 8
354
355#define	MLX5E_PPORT_PER_PRIO_STATS(m) \
356  MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,0) \
357  MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,1) \
358  MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,2) \
359  MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,3) \
360  MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,4) \
361  MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,5) \
362  MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,6) \
363  MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,7)
364
365/*
366 * Make sure to update mlx5e_update_pport_counters()
367 * when adding a new MLX5E_PPORT_STATS block
368 */
369#define	MLX5E_PPORT_STATS(m)			\
370  MLX5E_PPORT_PER_PRIO_STATS(m)		\
371  MLX5E_PPORT_IEEE802_3_STATS(m)		\
372  MLX5E_PPORT_RFC2819_STATS(m)
373
374#define	MLX5E_PORT_STATS_DEBUG(m)		\
375  MLX5E_PPORT_RFC2819_STATS_DEBUG(m)		\
376  MLX5E_PPORT_RFC2863_STATS_DEBUG(m)		\
377  MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(m)	\
378  MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG(m)
379
380#define	MLX5E_PPORT_IEEE802_3_STATS_NUM \
381  (0 MLX5E_PPORT_IEEE802_3_STATS(MLX5E_STATS_COUNT))
382#define	MLX5E_PPORT_RFC2819_STATS_NUM \
383  (0 MLX5E_PPORT_RFC2819_STATS(MLX5E_STATS_COUNT))
384#define	MLX5E_PPORT_STATS_NUM \
385  (0 MLX5E_PPORT_STATS(MLX5E_STATS_COUNT))
386
387#define	MLX5E_PPORT_PER_PRIO_STATS_NUM \
388  (0 MLX5E_PPORT_PER_PRIO_STATS(MLX5E_STATS_COUNT))
389#define	MLX5E_PPORT_RFC2819_STATS_DEBUG_NUM \
390  (0 MLX5E_PPORT_RFC2819_STATS_DEBUG(MLX5E_STATS_COUNT))
391#define	MLX5E_PPORT_RFC2863_STATS_DEBUG_NUM \
392  (0 MLX5E_PPORT_RFC2863_STATS_DEBUG(MLX5E_STATS_COUNT))
393#define	MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG_NUM \
394  (0 MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(MLX5E_STATS_COUNT))
395#define	MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG_NUM \
396  (0 MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG(MLX5E_STATS_COUNT))
397#define	MLX5E_PORT_STATS_DEBUG_NUM \
398  (0 MLX5E_PORT_STATS_DEBUG(MLX5E_STATS_COUNT))
399
400struct mlx5e_pport_stats {
401	struct	sysctl_ctx_list ctx;
402	u64	arg [0];
403	MLX5E_PPORT_STATS(MLX5E_STATS_VAR)
404};
405
406struct mlx5e_port_stats_debug {
407	struct	sysctl_ctx_list ctx;
408	u64	arg [0];
409	MLX5E_PORT_STATS_DEBUG(MLX5E_STATS_VAR)
410};
411
412#define	MLX5E_RQ_STATS(m)					\
413  m(+1, u64, packets, "packets", "Received packets")		\
414  m(+1, u64, bytes, "bytes", "Received bytes")			\
415  m(+1, u64, csum_none, "csum_none", "Received packets")		\
416  m(+1, u64, lro_packets, "lro_packets", "Received LRO packets")	\
417  m(+1, u64, lro_bytes, "lro_bytes", "Received LRO bytes")	\
418  m(+1, u64, sw_lro_queued, "sw_lro_queued", "Packets queued for SW LRO")	\
419  m(+1, u64, sw_lro_flushed, "sw_lro_flushed", "Packets flushed from SW LRO")	\
420  m(+1, u64, wqe_err, "wqe_err", "Received packets")
421
422#define	MLX5E_RQ_STATS_NUM (0 MLX5E_RQ_STATS(MLX5E_STATS_COUNT))
423
424struct mlx5e_rq_stats {
425	struct	sysctl_ctx_list ctx;
426	u64	arg [0];
427	MLX5E_RQ_STATS(MLX5E_STATS_VAR)
428};
429
430#define	MLX5E_SQ_STATS(m)						\
431  m(+1, u64, packets, "packets", "Transmitted packets")			\
432  m(+1, u64, bytes, "bytes", "Transmitted bytes")			\
433  m(+1, u64, tso_packets, "tso_packets", "Transmitted packets")		\
434  m(+1, u64, tso_bytes, "tso_bytes", "Transmitted bytes")		\
435  m(+1, u64, csum_offload_none, "csum_offload_none", "Transmitted packets")	\
436  m(+1, u64, defragged, "defragged", "Transmitted packets")		\
437  m(+1, u64, dropped, "dropped", "Transmitted packets")			\
438  m(+1, u64, nop, "nop", "Transmitted packets")
439
440#define	MLX5E_SQ_STATS_NUM (0 MLX5E_SQ_STATS(MLX5E_STATS_COUNT))
441
442struct mlx5e_sq_stats {
443	struct	sysctl_ctx_list ctx;
444	u64	arg [0];
445	MLX5E_SQ_STATS(MLX5E_STATS_VAR)
446};
447
448struct mlx5e_stats {
449	struct mlx5e_vport_stats vport;
450	struct mlx5e_pport_stats pport;
451	struct mlx5e_port_stats_debug port_stats_debug;
452};
453
454struct mlx5e_rq_param {
455	u32	rqc [MLX5_ST_SZ_DW(rqc)];
456	struct mlx5_wq_param wq;
457};
458
459struct mlx5e_sq_param {
460	u32	sqc [MLX5_ST_SZ_DW(sqc)];
461	struct mlx5_wq_param wq;
462};
463
464struct mlx5e_cq_param {
465	u32	cqc [MLX5_ST_SZ_DW(cqc)];
466	struct mlx5_wq_param wq;
467};
468
469struct mlx5e_params {
470	u8	log_sq_size;
471	u8	log_rq_size;
472	u16	num_channels;
473	u8	default_vlan_prio;
474	u8	num_tc;
475	u8	rx_cq_moderation_mode;
476	u8	tx_cq_moderation_mode;
477	u16	rx_cq_moderation_usec;
478	u16	rx_cq_moderation_pkts;
479	u16	tx_cq_moderation_usec;
480	u16	tx_cq_moderation_pkts;
481	u16	min_rx_wqes;
482	bool	hw_lro_en;
483	bool	cqe_zipping_en;
484	u32	lro_wqe_sz;
485	u16	rx_hash_log_tbl_sz;
486	u32	tx_pauseframe_control __aligned(4);
487	u32	rx_pauseframe_control __aligned(4);
488	u16	tx_max_inline;
489	u8	tx_min_inline_mode;
490	u8	tx_priority_flow_control;
491	u8	rx_priority_flow_control;
492	u8	channels_rsss;
493};
494
495#define	MLX5E_PARAMS(m)							\
496  m(+1, u64, tx_queue_size_max, "tx_queue_size_max", "Max send queue size") \
497  m(+1, u64, rx_queue_size_max, "rx_queue_size_max", "Max receive queue size") \
498  m(+1, u64, tx_queue_size, "tx_queue_size", "Default send queue size")	\
499  m(+1, u64, rx_queue_size, "rx_queue_size", "Default receive queue size") \
500  m(+1, u64, channels, "channels", "Default number of channels")		\
501  m(+1, u64, channels_rsss, "channels_rsss", "Default channels receive side scaling stride") \
502  m(+1, u64, coalesce_usecs_max, "coalesce_usecs_max", "Maximum usecs for joining packets") \
503  m(+1, u64, coalesce_pkts_max, "coalesce_pkts_max", "Maximum packets to join") \
504  m(+1, u64, rx_coalesce_usecs, "rx_coalesce_usecs", "Limit in usec for joining rx packets") \
505  m(+1, u64, rx_coalesce_pkts, "rx_coalesce_pkts", "Maximum number of rx packets to join") \
506  m(+1, u64, rx_coalesce_mode, "rx_coalesce_mode", "0: EQE fixed mode 1: CQE fixed mode 2: EQE auto mode 3: CQE auto mode") \
507  m(+1, u64, tx_coalesce_usecs, "tx_coalesce_usecs", "Limit in usec for joining tx packets") \
508  m(+1, u64, tx_coalesce_pkts, "tx_coalesce_pkts", "Maximum number of tx packets to join") \
509  m(+1, u64, tx_coalesce_mode, "tx_coalesce_mode", "0: EQE mode 1: CQE mode") \
510  m(+1, u64, tx_completion_fact, "tx_completion_fact", "1..MAX: Completion event ratio") \
511  m(+1, u64, tx_completion_fact_max, "tx_completion_fact_max", "Maximum completion event ratio") \
512  m(+1, u64, hw_lro, "hw_lro", "set to enable hw_lro") \
513  m(+1, u64, cqe_zipping, "cqe_zipping", "0 : CQE zipping disabled") \
514  m(+1, u64, modify_tx_dma, "modify_tx_dma", "0: Enable TX 1: Disable TX") \
515  m(+1, u64, modify_rx_dma, "modify_rx_dma", "0: Enable RX 1: Disable RX") \
516  m(+1, u64, diag_pci_enable, "diag_pci_enable", "0: Disabled 1: Enabled") \
517  m(+1, u64, diag_general_enable, "diag_general_enable", "0: Disabled 1: Enabled") \
518  m(+1, u64, hw_mtu, "hw_mtu", "Current hardware MTU value") \
519  m(+1, u64, mc_local_lb, "mc_local_lb", "0: Local multicast loopback enabled 1: Disabled") \
520  m(+1, u64, uc_local_lb, "uc_local_lb", "0: Local unicast loopback enabled 1: Disabled")
521
522#define	MLX5E_PARAMS_NUM (0 MLX5E_PARAMS(MLX5E_STATS_COUNT))
523
524struct mlx5e_params_ethtool {
525	u64	arg [0];
526	MLX5E_PARAMS(MLX5E_STATS_VAR)
527	u64	max_bw_value[IEEE_8021QAZ_MAX_TCS];
528	u8	max_bw_share[IEEE_8021QAZ_MAX_TCS];
529	u8	prio_tc[MLX5E_MAX_PRIORITY];
530	u8	dscp2prio[MLX5_MAX_SUPPORTED_DSCP];
531	u8	trust_state;
532};
533
534/* EEPROM Standards for plug in modules */
535#ifndef MLX5E_ETH_MODULE_SFF_8472
536#define	MLX5E_ETH_MODULE_SFF_8472	0x1
537#define	MLX5E_ETH_MODULE_SFF_8472_LEN	128
538#endif
539
540#ifndef MLX5E_ETH_MODULE_SFF_8636
541#define	MLX5E_ETH_MODULE_SFF_8636	0x2
542#define	MLX5E_ETH_MODULE_SFF_8636_LEN	256
543#endif
544
545#ifndef MLX5E_ETH_MODULE_SFF_8436
546#define	MLX5E_ETH_MODULE_SFF_8436	0x3
547#define	MLX5E_ETH_MODULE_SFF_8436_LEN	256
548#endif
549
550/* EEPROM I2C Addresses */
551#define	MLX5E_I2C_ADDR_LOW		0x50
552#define	MLX5E_I2C_ADDR_HIGH		0x51
553
554#define	MLX5E_EEPROM_LOW_PAGE		0x0
555#define	MLX5E_EEPROM_HIGH_PAGE		0x3
556
557#define	MLX5E_EEPROM_HIGH_PAGE_OFFSET	128
558#define	MLX5E_EEPROM_PAGE_LENGTH	256
559
560#define	MLX5E_EEPROM_INFO_BYTES		0x3
561
562struct mlx5e_cq {
563	/* data path - accessed per cqe */
564	struct mlx5_cqwq wq;
565
566	/* data path - accessed per HW polling */
567	struct mlx5_core_cq mcq;
568
569	/* control */
570	struct mlx5e_priv *priv;
571	struct mlx5_wq_ctrl wq_ctrl;
572} __aligned(MLX5E_CACHELINE_SIZE);
573
574struct mlx5e_rq_mbuf {
575	bus_dmamap_t	dma_map;
576	caddr_t		data;
577	struct mbuf	*mbuf;
578};
579
580struct mlx5e_rq {
581	/* data path */
582	struct mlx5_wq_ll wq;
583	struct mtx mtx;
584	bus_dma_tag_t dma_tag;
585	u32	wqe_sz;
586	u32	nsegs;
587	struct mlx5e_rq_mbuf *mbuf;
588	struct ifnet *ifp;
589	struct mlx5e_rq_stats stats;
590	struct mlx5e_cq cq;
591	struct lro_ctrl lro;
592	volatile int enabled;
593	int	ix;
594
595	/* Dynamic Interrupt Moderation */
596	struct net_dim dim;
597
598	/* control */
599	struct mlx5_wq_ctrl wq_ctrl;
600	u32	rqn;
601	struct mlx5e_channel *channel;
602	struct callout watchdog;
603} __aligned(MLX5E_CACHELINE_SIZE);
604
605struct mlx5e_sq_mbuf {
606	bus_dmamap_t dma_map;
607	struct mbuf *mbuf;
608	u32	num_bytes;
609	u32	num_wqebbs;
610};
611
612enum {
613	MLX5E_SQ_READY,
614	MLX5E_SQ_FULL
615};
616
617struct mlx5e_sq {
618	/* data path */
619	struct	mtx lock;
620	bus_dma_tag_t dma_tag;
621	struct	mtx comp_lock;
622
623	/* dirtied @completion */
624	u16	cc;
625
626	/* dirtied @xmit */
627	u16	pc __aligned(MLX5E_CACHELINE_SIZE);
628	u16	bf_offset;
629	u16	cev_counter;		/* completion event counter */
630	u16	cev_factor;		/* completion event factor */
631	u16	cev_next_state;		/* next completion event state */
632#define	MLX5E_CEV_STATE_INITIAL 0	/* timer not started */
633#define	MLX5E_CEV_STATE_SEND_NOPS 1	/* send NOPs */
634#define	MLX5E_CEV_STATE_HOLD_NOPS 2	/* don't send NOPs yet */
635	u16	running;		/* set if SQ is running */
636	struct callout cev_callout;
637	union {
638		u32	d32[2];
639		u64	d64;
640	} doorbell;
641	struct	mlx5e_sq_stats stats;
642
643	struct	mlx5e_cq cq;
644
645	/* pointers to per packet info: write@xmit, read@completion */
646	struct	mlx5e_sq_mbuf *mbuf;
647	struct	buf_ring *br;
648
649	/* read only */
650	struct	mlx5_wq_cyc wq;
651	struct	mlx5_uar uar;
652	struct	ifnet *ifp;
653	u32	sqn;
654	u32	bf_buf_size;
655	u32	mkey_be;
656	u16	max_inline;
657	u8	min_inline_mode;
658	u8	min_insert_caps;
659#define	MLX5E_INSERT_VLAN 1
660#define	MLX5E_INSERT_NON_VLAN 2
661
662	/* control path */
663	struct	mlx5_wq_ctrl wq_ctrl;
664	struct	mlx5e_priv *priv;
665	int	tc;
666} __aligned(MLX5E_CACHELINE_SIZE);
667
668static inline bool
669mlx5e_sq_has_room_for(struct mlx5e_sq *sq, u16 n)
670{
671	u16 cc = sq->cc;
672	u16 pc = sq->pc;
673
674	return ((sq->wq.sz_m1 & (cc - pc)) >= n || cc == pc);
675}
676
677struct mlx5e_channel {
678	/* data path */
679	struct mlx5e_rq rq;
680	struct mlx5e_sq sq[MLX5E_MAX_TX_NUM_TC];
681	struct ifnet *ifp;
682	u32	mkey_be;
683	u8	num_tc;
684
685	/* control */
686	struct mlx5e_priv *priv;
687	int	ix;
688	int	cpu;
689} __aligned(MLX5E_CACHELINE_SIZE);
690
691enum mlx5e_traffic_types {
692	MLX5E_TT_IPV4_TCP,
693	MLX5E_TT_IPV6_TCP,
694	MLX5E_TT_IPV4_UDP,
695	MLX5E_TT_IPV6_UDP,
696	MLX5E_TT_IPV4_IPSEC_AH,
697	MLX5E_TT_IPV6_IPSEC_AH,
698	MLX5E_TT_IPV4_IPSEC_ESP,
699	MLX5E_TT_IPV6_IPSEC_ESP,
700	MLX5E_TT_IPV4,
701	MLX5E_TT_IPV6,
702	MLX5E_TT_ANY,
703	MLX5E_NUM_TT,
704};
705
706enum {
707	MLX5E_RQT_SPREADING = 0,
708	MLX5E_RQT_DEFAULT_RQ = 1,
709	MLX5E_NUM_RQT = 2,
710};
711
712struct mlx5_flow_rule;
713
714struct mlx5e_eth_addr_info {
715	u8	addr [ETH_ALEN + 2];
716	u32	tt_vec;
717	/* flow table rule per traffic type */
718	struct mlx5_flow_rule	*ft_rule[MLX5E_NUM_TT];
719};
720
721#define	MLX5E_ETH_ADDR_HASH_SIZE (1 << BITS_PER_BYTE)
722
723struct mlx5e_eth_addr_hash_node;
724
725struct mlx5e_eth_addr_hash_head {
726	struct mlx5e_eth_addr_hash_node *lh_first;
727};
728
729struct mlx5e_eth_addr_db {
730	struct mlx5e_eth_addr_hash_head if_uc[MLX5E_ETH_ADDR_HASH_SIZE];
731	struct mlx5e_eth_addr_hash_head if_mc[MLX5E_ETH_ADDR_HASH_SIZE];
732	struct mlx5e_eth_addr_info broadcast;
733	struct mlx5e_eth_addr_info allmulti;
734	struct mlx5e_eth_addr_info promisc;
735	bool	broadcast_enabled;
736	bool	allmulti_enabled;
737	bool	promisc_enabled;
738};
739
740enum {
741	MLX5E_STATE_ASYNC_EVENTS_ENABLE,
742	MLX5E_STATE_OPENED,
743};
744
745enum {
746	MLX5_BW_NO_LIMIT   = 0,
747	MLX5_100_MBPS_UNIT = 3,
748	MLX5_GBPS_UNIT     = 4,
749};
750
751struct mlx5e_vlan_db {
752	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
753	struct mlx5_flow_rule	*active_vlans_ft_rule[VLAN_N_VID];
754	struct mlx5_flow_rule	*untagged_ft_rule;
755	struct mlx5_flow_rule	*any_cvlan_ft_rule;
756	struct mlx5_flow_rule	*any_svlan_ft_rule;
757	bool	filter_disabled;
758};
759
760struct mlx5e_flow_table {
761	int num_groups;
762	struct mlx5_flow_table *t;
763	struct mlx5_flow_group **g;
764};
765
766struct mlx5e_flow_tables {
767	struct mlx5_flow_namespace *ns;
768	struct mlx5e_flow_table vlan;
769	struct mlx5e_flow_table main;
770	struct mlx5e_flow_table inner_rss;
771};
772
773struct mlx5e_priv {
774	struct mlx5_core_dev *mdev;     /* must be first */
775
776	/* priv data path fields - start */
777	int	order_base_2_num_channels;
778	int	queue_mapping_channel_mask;
779	int	num_tc;
780	int	default_vlan_prio;
781	/* priv data path fields - end */
782
783	unsigned long state;
784	int	gone;
785#define	PRIV_LOCK(priv) sx_xlock(&(priv)->state_lock)
786#define	PRIV_UNLOCK(priv) sx_xunlock(&(priv)->state_lock)
787#define	PRIV_LOCKED(priv) sx_xlocked(&(priv)->state_lock)
788	struct sx state_lock;		/* Protects Interface state */
789	struct mlx5_uar cq_uar;
790	u32	pdn;
791	u32	tdn;
792	struct mlx5_core_mr mr;
793
794	u32	tisn[MLX5E_MAX_TX_NUM_TC];
795	u32	rqtn;
796	u32	tirn[MLX5E_NUM_TT];
797
798	struct mlx5e_flow_tables fts;
799	struct mlx5e_eth_addr_db eth_addr;
800	struct mlx5e_vlan_db vlan;
801
802	struct mlx5e_params params;
803	struct mlx5e_params_ethtool params_ethtool;
804	union mlx5_core_pci_diagnostics params_pci;
805	union mlx5_core_general_diagnostics params_general;
806	struct mtx async_events_mtx;	/* sync hw events */
807	struct work_struct update_stats_work;
808	struct work_struct update_carrier_work;
809	struct work_struct set_rx_mode_work;
810	MLX5_DECLARE_DOORBELL_LOCK(doorbell_lock)
811
812	struct ifnet *ifp;
813	struct sysctl_ctx_list sysctl_ctx;
814	struct sysctl_oid *sysctl_ifnet;
815	struct sysctl_oid *sysctl_hw;
816	int	sysctl_debug;
817	struct mlx5e_stats stats;
818	int	counter_set_id;
819
820	struct workqueue_struct *wq;
821
822	eventhandler_tag vlan_detach;
823	eventhandler_tag vlan_attach;
824	struct ifmedia media;
825	int	media_status_last;
826	int	media_active_last;
827
828	struct callout watchdog;
829
830	struct mlx5e_channel channel[];
831};
832
833#define	MLX5E_NET_IP_ALIGN 2
834
835struct mlx5e_tx_wqe {
836	struct mlx5_wqe_ctrl_seg ctrl;
837	struct mlx5_wqe_eth_seg eth;
838};
839
840struct mlx5e_rx_wqe {
841	struct mlx5_wqe_srq_next_seg next;
842	struct mlx5_wqe_data_seg data[];
843};
844
845/* the size of the structure above must be power of two */
846CTASSERT(powerof2(sizeof(struct mlx5e_rx_wqe)));
847
848struct mlx5e_eeprom {
849	int	lock_bit;
850	int	i2c_addr;
851	int	page_num;
852	int	device_addr;
853	int	module_num;
854	int	len;
855	int	type;
856	int	page_valid;
857	u32	*data;
858};
859
860#define	MLX5E_FLD_MAX(typ, fld) ((1ULL << __mlx5_bit_sz(typ, fld)) - 1ULL)
861
862int	mlx5e_xmit(struct ifnet *, struct mbuf *);
863
864int	mlx5e_open_locked(struct ifnet *);
865int	mlx5e_close_locked(struct ifnet *);
866
867void	mlx5e_cq_error_event(struct mlx5_core_cq *mcq, int event);
868void	mlx5e_rx_cq_comp(struct mlx5_core_cq *);
869void	mlx5e_tx_cq_comp(struct mlx5_core_cq *);
870struct mlx5_cqe64 *mlx5e_get_cqe(struct mlx5e_cq *cq);
871
872void	mlx5e_dim_work(struct work_struct *);
873void	mlx5e_dim_build_cq_param(struct mlx5e_priv *, struct mlx5e_cq_param *);
874
875int	mlx5e_open_flow_table(struct mlx5e_priv *priv);
876void	mlx5e_close_flow_table(struct mlx5e_priv *priv);
877void	mlx5e_set_rx_mode_core(struct mlx5e_priv *priv);
878void	mlx5e_set_rx_mode_work(struct work_struct *work);
879
880void	mlx5e_vlan_rx_add_vid(void *, struct ifnet *, u16);
881void	mlx5e_vlan_rx_kill_vid(void *, struct ifnet *, u16);
882void	mlx5e_enable_vlan_filter(struct mlx5e_priv *priv);
883void	mlx5e_disable_vlan_filter(struct mlx5e_priv *priv);
884int	mlx5e_add_all_vlan_rules(struct mlx5e_priv *priv);
885void	mlx5e_del_all_vlan_rules(struct mlx5e_priv *priv);
886
887static inline void
888mlx5e_tx_notify_hw(struct mlx5e_sq *sq, u32 *wqe, int bf_sz)
889{
890	u16 ofst = MLX5_BF_OFFSET + sq->bf_offset;
891
892	/* ensure wqe is visible to device before updating doorbell record */
893	wmb();
894
895	*sq->wq.db = cpu_to_be32(sq->pc);
896
897	/*
898	 * Ensure the doorbell record is visible to device before ringing
899	 * the doorbell:
900	 */
901	wmb();
902
903	if (bf_sz) {
904		__iowrite64_copy(sq->uar.bf_map + ofst, wqe, bf_sz);
905
906		/* flush the write-combining mapped buffer */
907		wmb();
908
909	} else {
910		mlx5_write64(wqe, sq->uar.map + ofst,
911		    MLX5_GET_DOORBELL_LOCK(&sq->priv->doorbell_lock));
912	}
913
914	sq->bf_offset ^= sq->bf_buf_size;
915}
916
917static inline void
918mlx5e_cq_arm(struct mlx5e_cq *cq, spinlock_t *dblock)
919{
920	struct mlx5_core_cq *mcq;
921
922	mcq = &cq->mcq;
923	mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, dblock, cq->wq.cc);
924}
925
926extern const struct ethtool_ops mlx5e_ethtool_ops;
927void	mlx5e_create_ethtool(struct mlx5e_priv *);
928void	mlx5e_create_stats(struct sysctl_ctx_list *,
929    struct sysctl_oid_list *, const char *,
930    const char **, unsigned, u64 *);
931void	mlx5e_send_nop(struct mlx5e_sq *, u32);
932void	mlx5e_sq_cev_timeout(void *);
933int	mlx5e_refresh_channel_params(struct mlx5e_priv *);
934int	mlx5e_open_cq(struct mlx5e_priv *, struct mlx5e_cq_param *,
935    struct mlx5e_cq *, mlx5e_cq_comp_t *, int eq_ix);
936void	mlx5e_close_cq(struct mlx5e_cq *);
937void	mlx5e_free_sq_db(struct mlx5e_sq *);
938int	mlx5e_alloc_sq_db(struct mlx5e_sq *);
939int	mlx5e_enable_sq(struct mlx5e_sq *, struct mlx5e_sq_param *, int tis_num);
940int	mlx5e_modify_sq(struct mlx5e_sq *, int curr_state, int next_state);
941void	mlx5e_disable_sq(struct mlx5e_sq *);
942void	mlx5e_drain_sq(struct mlx5e_sq *);
943void	mlx5e_modify_tx_dma(struct mlx5e_priv *priv, uint8_t value);
944void	mlx5e_modify_rx_dma(struct mlx5e_priv *priv, uint8_t value);
945void	mlx5e_resume_sq(struct mlx5e_sq *sq);
946void	mlx5e_update_sq_inline(struct mlx5e_sq *sq);
947void	mlx5e_refresh_sq_inline(struct mlx5e_priv *priv);
948
949#endif					/* _MLX5_EN_H_ */
950