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 * $FreeBSD$
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 #define MLX5E_MAX_FEC_10X_25X 4
78 #define MLX5E_MAX_FEC_50X 4
79
80 /* IEEE 802.1Qaz standard supported values */
81 #define IEEE_8021QAZ_MAX_TCS 8
82
83 #define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x7
84 #define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa
85 #define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xe
86
87 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE 0x7
88 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
89 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xe
90
91 #define MLX5E_MAX_BUSDMA_RX_SEGS 15
92
93 #ifndef MLX5E_MAX_RX_BYTES
94 #define MLX5E_MAX_RX_BYTES MCLBYTES
95 #endif
96
97 #define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ \
98 MIN(65535, 7 * MLX5E_MAX_RX_BYTES)
99
100 #define MLX5E_DIM_DEFAULT_PROFILE 3
101 #define MLX5E_DIM_MAX_RX_CQ_MODERATION_PKTS_WITH_LRO 16
102 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
103 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3
104 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
105 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
106 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
107 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
108 #define MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ 0x7
109 #define MLX5E_CACHELINE_SIZE CACHE_LINE_SIZE
110 #define MLX5E_HW2SW_MTU(hwmtu) \
111 ((hwmtu) - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN))
112 #define MLX5E_SW2HW_MTU(swmtu) \
113 ((swmtu) + (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN))
114 #define MLX5E_SW2MB_MTU(swmtu) \
115 (MLX5E_SW2HW_MTU(swmtu) + MLX5E_NET_IP_ALIGN)
116 #define MLX5E_MTU_MIN 72 /* Min MTU allowed by the kernel */
117 #define MLX5E_MTU_MAX MIN(ETHERMTU_JUMBO, MJUM16BYTES) /* Max MTU of Ethernet
118 * jumbo frames */
119
120 #define MLX5E_BUDGET_MAX 8192 /* RX and TX */
121 #define MLX5E_RX_BUDGET_MAX 256
122 #define MLX5E_SQ_BF_BUDGET 16
123 #define MLX5E_SQ_TX_QUEUE_SIZE 4096 /* SQ drbr queue size */
124
125 #define MLX5E_MAX_TX_NUM_TC 8 /* units */
126 #define MLX5E_MAX_TX_HEADER 128 /* bytes */
127 #define MLX5E_MAX_TX_PAYLOAD_SIZE 65536 /* bytes */
128 #define MLX5E_MAX_TX_MBUF_SIZE 65536 /* bytes */
129 #define MLX5E_MAX_TX_MBUF_FRAGS \
130 ((MLX5_SEND_WQE_MAX_WQEBBS * MLX5_SEND_WQEBB_NUM_DS) - \
131 (MLX5E_MAX_TX_HEADER / MLX5_SEND_WQE_DS) - \
132 1 /* the maximum value of the DS counter is 0x3F and not 0x40 */) /* units */
133 #define MLX5E_MAX_TX_INLINE \
134 (MLX5E_MAX_TX_HEADER - sizeof(struct mlx5e_tx_wqe) + \
135 sizeof(((struct mlx5e_tx_wqe *)0)->eth.inline_hdr_start)) /* bytes */
136
137 #define MLX5E_100MB (100000)
138 #define MLX5E_1GB (1000000)
139
140 #define MLX5E_ZERO(ptr, field) \
141 memset(&(ptr)->field, 0, \
142 sizeof(*(ptr)) - __offsetof(__typeof(*(ptr)), field))
143
144 MALLOC_DECLARE(M_MLX5EN);
145
146 struct mlx5_core_dev;
147 struct mlx5e_cq;
148
149 typedef void (mlx5e_cq_comp_t)(struct mlx5_core_cq *);
150
151 #define mlx5_en_err(_dev, format, ...) \
152 if_printf(_dev, "ERR: ""%s:%d:(pid %d): " format, \
153 __func__, __LINE__, curthread->td_proc->p_pid, \
154 ##__VA_ARGS__)
155
156 #define mlx5_en_warn(_dev, format, ...) \
157 if_printf(_dev, "WARN: ""%s:%d:(pid %d): " format, \
158 __func__, __LINE__, curthread->td_proc->p_pid, \
159 ##__VA_ARGS__)
160
161 #define mlx5_en_info(_dev, format, ...) \
162 if_printf(_dev, "INFO: ""%s:%d:(pid %d): " format, \
163 __func__, __LINE__, curthread->td_proc->p_pid, \
164 ##__VA_ARGS__)
165
166 #define MLX5E_STATS_COUNT(a, ...) a
167 #define MLX5E_STATS_VAR(a, b, c, ...) b c;
168 #define MLX5E_STATS_DESC(a, b, c, d, e, ...) d, e,
169
170 #define MLX5E_VPORT_STATS(m) \
171 /* HW counters */ \
172 m(+1, u64, rx_packets, "rx_packets", "Received packets") \
173 m(+1, u64, rx_bytes, "rx_bytes", "Received bytes") \
174 m(+1, u64, tx_packets, "tx_packets", "Transmitted packets") \
175 m(+1, u64, tx_bytes, "tx_bytes", "Transmitted bytes") \
176 m(+1, u64, rx_error_packets, "rx_error_packets", "Received error packets") \
177 m(+1, u64, rx_error_bytes, "rx_error_bytes", "Received error bytes") \
178 m(+1, u64, tx_error_packets, "tx_error_packets", "Transmitted error packets") \
179 m(+1, u64, tx_error_bytes, "tx_error_bytes", "Transmitted error bytes") \
180 m(+1, u64, rx_unicast_packets, "rx_unicast_packets", "Received unicast packets") \
181 m(+1, u64, rx_unicast_bytes, "rx_unicast_bytes", "Received unicast bytes") \
182 m(+1, u64, tx_unicast_packets, "tx_unicast_packets", "Transmitted unicast packets") \
183 m(+1, u64, tx_unicast_bytes, "tx_unicast_bytes", "Transmitted unicast bytes") \
184 m(+1, u64, rx_multicast_packets, "rx_multicast_packets", "Received multicast packets") \
185 m(+1, u64, rx_multicast_bytes, "rx_multicast_bytes", "Received multicast bytes") \
186 m(+1, u64, tx_multicast_packets, "tx_multicast_packets", "Transmitted multicast packets") \
187 m(+1, u64, tx_multicast_bytes, "tx_multicast_bytes", "Transmitted multicast bytes") \
188 m(+1, u64, rx_broadcast_packets, "rx_broadcast_packets", "Received broadcast packets") \
189 m(+1, u64, rx_broadcast_bytes, "rx_broadcast_bytes", "Received broadcast bytes") \
190 m(+1, u64, tx_broadcast_packets, "tx_broadcast_packets", "Transmitted broadcast packets") \
191 m(+1, u64, tx_broadcast_bytes, "tx_broadcast_bytes", "Transmitted broadcast bytes") \
192 m(+1, u64, rx_out_of_buffer, "rx_out_of_buffer", "Receive out of buffer, no recv wqes events") \
193 /* SW counters */ \
194 m(+1, u64, tso_packets, "tso_packets", "Transmitted TSO packets") \
195 m(+1, u64, tso_bytes, "tso_bytes", "Transmitted TSO bytes") \
196 m(+1, u64, lro_packets, "lro_packets", "Received LRO packets") \
197 m(+1, u64, lro_bytes, "lro_bytes", "Received LRO bytes") \
198 m(+1, u64, sw_lro_queued, "sw_lro_queued", "Packets queued for SW LRO") \
199 m(+1, u64, sw_lro_flushed, "sw_lro_flushed", "Packets flushed from SW LRO") \
200 m(+1, u64, rx_csum_good, "rx_csum_good", "Received checksum valid packets") \
201 m(+1, u64, rx_csum_none, "rx_csum_none", "Received no checksum packets") \
202 m(+1, u64, tx_csum_offload, "tx_csum_offload", "Transmit checksum offload packets") \
203 m(+1, u64, tx_queue_dropped, "tx_queue_dropped", "Transmit queue dropped") \
204 m(+1, u64, tx_defragged, "tx_defragged", "Transmit queue defragged") \
205 m(+1, u64, rx_wqe_err, "rx_wqe_err", "Receive WQE errors") \
206 m(+1, u64, tx_jumbo_packets, "tx_jumbo_packets", "TX packets greater than 1518 octets") \
207 m(+1, u64, rx_steer_missed_packets, "rx_steer_missed_packets", "RX packets dropped by steering rule(s)")
208
209 #define MLX5E_VPORT_STATS_NUM (0 MLX5E_VPORT_STATS(MLX5E_STATS_COUNT))
210
211 struct mlx5e_vport_stats {
212 struct sysctl_ctx_list ctx;
213 u64 arg [0];
214 MLX5E_VPORT_STATS(MLX5E_STATS_VAR)
215 };
216
217 #define MLX5E_PPORT_IEEE802_3_STATS(m) \
218 m(+1, u64, frames_tx, "frames_tx", "Frames transmitted") \
219 m(+1, u64, frames_rx, "frames_rx", "Frames received") \
220 m(+1, u64, check_seq_err, "check_seq_err", "Sequence errors") \
221 m(+1, u64, alignment_err, "alignment_err", "Alignment errors") \
222 m(+1, u64, octets_tx, "octets_tx", "Bytes transmitted") \
223 m(+1, u64, octets_received, "octets_received", "Bytes received") \
224 m(+1, u64, multicast_xmitted, "multicast_xmitted", "Multicast transmitted") \
225 m(+1, u64, broadcast_xmitted, "broadcast_xmitted", "Broadcast transmitted") \
226 m(+1, u64, multicast_rx, "multicast_rx", "Multicast received") \
227 m(+1, u64, broadcast_rx, "broadcast_rx", "Broadcast received") \
228 m(+1, u64, in_range_len_errors, "in_range_len_errors", "In range length errors") \
229 m(+1, u64, out_of_range_len, "out_of_range_len", "Out of range length errors") \
230 m(+1, u64, too_long_errors, "too_long_errors", "Too long errors") \
231 m(+1, u64, symbol_err, "symbol_err", "Symbol errors") \
232 m(+1, u64, mac_control_tx, "mac_control_tx", "MAC control transmitted") \
233 m(+1, u64, mac_control_rx, "mac_control_rx", "MAC control received") \
234 m(+1, u64, unsupported_op_rx, "unsupported_op_rx", "Unsupported operation received") \
235 m(+1, u64, pause_ctrl_rx, "pause_ctrl_rx", "Pause control received") \
236 m(+1, u64, pause_ctrl_tx, "pause_ctrl_tx", "Pause control transmitted")
237
238 #define MLX5E_PPORT_RFC2819_STATS(m) \
239 m(+1, u64, drop_events, "drop_events", "Dropped events") \
240 m(+1, u64, octets, "octets", "Octets") \
241 m(+1, u64, pkts, "pkts", "Packets") \
242 m(+1, u64, broadcast_pkts, "broadcast_pkts", "Broadcast packets") \
243 m(+1, u64, multicast_pkts, "multicast_pkts", "Multicast packets") \
244 m(+1, u64, crc_align_errors, "crc_align_errors", "CRC alignment errors") \
245 m(+1, u64, undersize_pkts, "undersize_pkts", "Undersized packets") \
246 m(+1, u64, oversize_pkts, "oversize_pkts", "Oversized packets") \
247 m(+1, u64, fragments, "fragments", "Fragments") \
248 m(+1, u64, jabbers, "jabbers", "Jabbers") \
249 m(+1, u64, collisions, "collisions", "Collisions")
250
251 #define MLX5E_PPORT_RFC2819_STATS_DEBUG(m) \
252 m(+1, u64, p64octets, "p64octets", "Bytes") \
253 m(+1, u64, p65to127octets, "p65to127octets", "Bytes") \
254 m(+1, u64, p128to255octets, "p128to255octets", "Bytes") \
255 m(+1, u64, p256to511octets, "p256to511octets", "Bytes") \
256 m(+1, u64, p512to1023octets, "p512to1023octets", "Bytes") \
257 m(+1, u64, p1024to1518octets, "p1024to1518octets", "Bytes") \
258 m(+1, u64, p1519to2047octets, "p1519to2047octets", "Bytes") \
259 m(+1, u64, p2048to4095octets, "p2048to4095octets", "Bytes") \
260 m(+1, u64, p4096to8191octets, "p4096to8191octets", "Bytes") \
261 m(+1, u64, p8192to10239octets, "p8192to10239octets", "Bytes")
262
263 #define MLX5E_PPORT_RFC2863_STATS_DEBUG(m) \
264 m(+1, u64, in_octets, "in_octets", "In octets") \
265 m(+1, u64, in_ucast_pkts, "in_ucast_pkts", "In unicast packets") \
266 m(+1, u64, in_discards, "in_discards", "In discards") \
267 m(+1, u64, in_errors, "in_errors", "In errors") \
268 m(+1, u64, in_unknown_protos, "in_unknown_protos", "In unknown protocols") \
269 m(+1, u64, out_octets, "out_octets", "Out octets") \
270 m(+1, u64, out_ucast_pkts, "out_ucast_pkts", "Out unicast packets") \
271 m(+1, u64, out_discards, "out_discards", "Out discards") \
272 m(+1, u64, out_errors, "out_errors", "Out errors") \
273 m(+1, u64, in_multicast_pkts, "in_multicast_pkts", "In multicast packets") \
274 m(+1, u64, in_broadcast_pkts, "in_broadcast_pkts", "In broadcast packets") \
275 m(+1, u64, out_multicast_pkts, "out_multicast_pkts", "Out multicast packets") \
276 m(+1, u64, out_broadcast_pkts, "out_broadcast_pkts", "Out broadcast packets")
277
278 #define MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG(m) \
279 m(+1, u64, port_transmit_wait, "port_transmit_wait", "Port transmit wait") \
280 m(+1, u64, ecn_marked, "ecn_marked", "ECN marked") \
281 m(+1, u64, no_buffer_discard_mc, "no_buffer_discard_mc", "No buffer discard mc") \
282 m(+1, u64, rx_ebp, "rx_ebp", "RX EBP") \
283 m(+1, u64, tx_ebp, "tx_ebp", "TX EBP") \
284 m(+1, u64, rx_buffer_almost_full, "rx_buffer_almost_full", "RX buffer almost full") \
285 m(+1, u64, rx_buffer_full, "rx_buffer_full", "RX buffer full") \
286 m(+1, u64, rx_icrc_encapsulated, "rx_icrc_encapsulated", "RX ICRC encapsulated") \
287 m(+1, u64, ex_reserved_0, "ex_reserved_0", "Reserved") \
288 m(+1, u64, ex_reserved_1, "ex_reserved_1", "Reserved") \
289 m(+1, u64, tx_stat_p64octets, "tx_stat_p64octets", "Bytes") \
290 m(+1, u64, tx_stat_p65to127octets, "tx_stat_p65to127octets", "Bytes") \
291 m(+1, u64, tx_stat_p128to255octets, "tx_stat_p128to255octets", "Bytes") \
292 m(+1, u64, tx_stat_p256to511octets, "tx_stat_p256to511octets", "Bytes") \
293 m(+1, u64, tx_stat_p512to1023octets, "tx_stat_p512to1023octets", "Bytes") \
294 m(+1, u64, tx_stat_p1024to1518octets, "tx_stat_p1024to1518octets", "Bytes") \
295 m(+1, u64, tx_stat_p1519to2047octets, "tx_stat_p1519to2047octets", "Bytes") \
296 m(+1, u64, tx_stat_p2048to4095octets, "tx_stat_p2048to4095octets", "Bytes") \
297 m(+1, u64, tx_stat_p4096to8191octets, "tx_stat_p4096to8191octets", "Bytes") \
298 m(+1, u64, tx_stat_p8192to10239octets, "tx_stat_p8192to10239octets", "Bytes")
299
300 #define MLX5E_PPORT_STATISTICAL_DEBUG(m) \
301 m(+1, u64, phy_time_since_last_clear, "phy_time_since_last_clear", \
302 "Time since last clear in milliseconds") \
303 m(+1, u64, phy_received_bits, "phy_received_bits", \
304 "Total amount of traffic received in bits before error correction") \
305 m(+1, u64, phy_symbol_errors, "phy_symbol_errors", \
306 "Total number of symbol errors before error correction") \
307 m(+1, u64, phy_corrected_bits, "phy_corrected_bits", \
308 "Total number of corrected bits ") \
309 m(+1, u64, phy_corrected_bits_lane0, "phy_corrected_bits_lane0", \
310 "Total number of corrected bits for lane 0") \
311 m(+1, u64, phy_corrected_bits_lane1, "phy_corrected_bits_lane1", \
312 "Total number of corrected bits for lane 1") \
313 m(+1, u64, phy_corrected_bits_lane2, "phy_corrected_bits_lane2", \
314 "Total number of corrected bits for lane 2") \
315 m(+1, u64, phy_corrected_bits_lane3, "phy_corrected_bits_lane3", \
316 "Total number of corrected bits for lane 3")
317
318 #define MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(m) \
319 m(+1, u64, time_since_last_clear, "time_since_last_clear", \
320 "Time since the last counters clear event (msec)") \
321 m(+1, u64, symbol_errors, "symbol_errors", "Symbol errors") \
322 m(+1, u64, sync_headers_errors, "sync_headers_errors", \
323 "Sync header error counter") \
324 m(+1, u64, bip_errors_lane0, "edpl_bip_errors_lane0", \
325 "Indicates the number of PRBS errors on lane 0") \
326 m(+1, u64, bip_errors_lane1, "edpl_bip_errors_lane1", \
327 "Indicates the number of PRBS errors on lane 1") \
328 m(+1, u64, bip_errors_lane2, "edpl_bip_errors_lane2", \
329 "Indicates the number of PRBS errors on lane 2") \
330 m(+1, u64, bip_errors_lane3, "edpl_bip_errors_lane3", \
331 "Indicates the number of PRBS errors on lane 3") \
332 m(+1, u64, fc_corrected_blocks_lane0, "fc_corrected_blocks_lane0", \
333 "FEC correctable block counter lane 0") \
334 m(+1, u64, fc_corrected_blocks_lane1, "fc_corrected_blocks_lane1", \
335 "FEC correctable block counter lane 1") \
336 m(+1, u64, fc_corrected_blocks_lane2, "fc_corrected_blocks_lane2", \
337 "FEC correctable block counter lane 2") \
338 m(+1, u64, fc_corrected_blocks_lane3, "fc_corrected_blocks_lane3", \
339 "FEC correctable block counter lane 3") \
340 m(+1, u64, rs_corrected_blocks, "rs_corrected_blocks", \
341 "FEC correcable block counter") \
342 m(+1, u64, rs_uncorrectable_blocks, "rs_uncorrectable_blocks", \
343 "FEC uncorrecable block counter") \
344 m(+1, u64, rs_no_errors_blocks, "rs_no_errors_blocks", \
345 "The number of RS-FEC blocks received that had no errors") \
346 m(+1, u64, rs_single_error_blocks, "rs_single_error_blocks", \
347 "The number of corrected RS-FEC blocks received that had" \
348 "exactly 1 error symbol") \
349 m(+1, u64, rs_corrected_symbols_total, "rs_corrected_symbols_total", \
350 "Port FEC corrected symbol counter") \
351 m(+1, u64, rs_corrected_symbols_lane0, "rs_corrected_symbols_lane0", \
352 "FEC corrected symbol counter lane 0") \
353 m(+1, u64, rs_corrected_symbols_lane1, "rs_corrected_symbols_lane1", \
354 "FEC corrected symbol counter lane 1") \
355 m(+1, u64, rs_corrected_symbols_lane2, "rs_corrected_symbols_lane2", \
356 "FEC corrected symbol counter lane 2") \
357 m(+1, u64, rs_corrected_symbols_lane3, "rs_corrected_symbols_lane3", \
358 "FEC corrected symbol counter lane 3")
359
360 /* Per priority statistics for PFC */
361 #define MLX5E_PPORT_PER_PRIO_STATS_SUB(m,n,p) \
362 m(n, p, +1, u64, rx_octets, "rx_octets", "Received octets") \
363 m(n, p, +1, u64, rx_uc_frames, "rx_uc_frames", "Received unicast frames") \
364 m(n, p, +1, u64, rx_mc_frames, "rx_mc_frames", "Received multicast frames") \
365 m(n, p, +1, u64, rx_bc_frames, "rx_bc_frames", "Received broadcast frames") \
366 m(n, p, +1, u64, rx_frames, "rx_frames", "Received frames") \
367 m(n, p, +1, u64, tx_octets, "tx_octets", "Transmitted octets") \
368 m(n, p, +1, u64, tx_uc_frames, "tx_uc_frames", "Transmitted unicast frames") \
369 m(n, p, +1, u64, tx_mc_frames, "tx_mc_frames", "Transmitted multicast frames") \
370 m(n, p, +1, u64, tx_bc_frames, "tx_bc_frames", "Transmitted broadcast frames") \
371 m(n, p, +1, u64, tx_frames, "tx_frames", "Transmitted frames") \
372 m(n, p, +1, u64, rx_pause, "rx_pause", "Received pause frames") \
373 m(n, p, +1, u64, rx_pause_duration, "rx_pause_duration", \
374 "Received pause duration") \
375 m(n, p, +1, u64, tx_pause, "tx_pause", "Transmitted pause frames") \
376 m(n, p, +1, u64, tx_pause_duration, "tx_pause_duration", \
377 "Transmitted pause duration") \
378 m(n, p, +1, u64, rx_pause_transition, "rx_pause_transition", \
379 "Received pause transitions") \
380 m(n, p, +1, u64, rx_discards, "rx_discards", "Discarded received frames") \
381 m(n, p, +1, u64, device_stall_minor_watermark, \
382 "device_stall_minor_watermark", "Device stall minor watermark") \
383 m(n, p, +1, u64, device_stall_critical_watermark, \
384 "device_stall_critical_watermark", "Device stall critical watermark")
385
386 #define MLX5E_PPORT_PER_PRIO_STATS_PREFIX(m,p,c,t,f,s,d) \
387 m(c, t, pri_##p##_##f, "prio" #p "_" s, "Priority " #p " - " d)
388
389 #define MLX5E_PPORT_PER_PRIO_STATS_NUM_PRIO 8
390
391 #define MLX5E_PPORT_PER_PRIO_STATS(m) \
392 MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,0) \
393 MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,1) \
394 MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,2) \
395 MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,3) \
396 MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,4) \
397 MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,5) \
398 MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,6) \
399 MLX5E_PPORT_PER_PRIO_STATS_SUB(MLX5E_PPORT_PER_PRIO_STATS_PREFIX,m,7)
400
401 #define MLX5E_PCIE_PERFORMANCE_COUNTERS_64(m) \
402 m(+1, u64, life_time_counter_high, "life_time_counter", \
403 "Life time counter.", pcie_perf_counters) \
404 m(+1, u64, tx_overflow_buffer_pkt, "tx_overflow_buffer_pkt", \
405 "The number of packets dropped due to lack of PCIe buffers " \
406 "in receive path from NIC port toward the hosts.", \
407 pcie_perf_counters) \
408 m(+1, u64, tx_overflow_buffer_marked_pkt, \
409 "tx_overflow_buffer_marked_pkt", \
410 "The number of packets marked due to lack of PCIe buffers " \
411 "in receive path from NIC port toward the hosts.", \
412 pcie_perf_counters)
413
414 #define MLX5E_PCIE_PERFORMANCE_COUNTERS_32(m) \
415 m(+1, u64, rx_errors, "rx_errors", \
416 "Number of transitions to recovery due to Framing " \
417 "errors and CRC errors.", pcie_perf_counters) \
418 m(+1, u64, tx_errors, "tx_errors", "Number of transitions " \
419 "to recovery due to EIEOS and TS errors.", pcie_perf_counters) \
420 m(+1, u64, l0_to_recovery_eieos, "l0_to_recovery_eieos", "Number of " \
421 "transitions to recovery due to getting EIEOS.", pcie_perf_counters)\
422 m(+1, u64, l0_to_recovery_ts, "l0_to_recovery_ts", "Number of " \
423 "transitions to recovery due to getting TS.", pcie_perf_counters) \
424 m(+1, u64, l0_to_recovery_framing, "l0_to_recovery_framing", "Number "\
425 "of transitions to recovery due to identifying framing " \
426 "errors at gen3/4.", pcie_perf_counters) \
427 m(+1, u64, l0_to_recovery_retrain, "l0_to_recovery_retrain", \
428 "Number of transitions to recovery due to link retrain request " \
429 "from data link.", pcie_perf_counters) \
430 m(+1, u64, crc_error_dllp, "crc_error_dllp", "Number of transitions " \
431 "to recovery due to identifying CRC DLLP errors.", \
432 pcie_perf_counters) \
433 m(+1, u64, crc_error_tlp, "crc_error_tlp", "Number of transitions to "\
434 "recovery due to identifying CRC TLP errors.", pcie_perf_counters) \
435 m(+1, u64, outbound_stalled_reads, "outbound_stalled_reads", \
436 "The percentage of time within the last second that the NIC had " \
437 "outbound non-posted read requests but could not perform the " \
438 "operation due to insufficient non-posted credits.", \
439 pcie_perf_counters) \
440 m(+1, u64, outbound_stalled_writes, "outbound_stalled_writes", \
441 "The percentage of time within the last second that the NIC had " \
442 "outbound posted writes requests but could not perform the " \
443 "operation due to insufficient posted credits.", \
444 pcie_perf_counters) \
445 m(+1, u64, outbound_stalled_reads_events, \
446 "outbound_stalled_reads_events", "The number of events where " \
447 "outbound_stalled_reads was above a threshold.", \
448 pcie_perf_counters) \
449 m(+1, u64, outbound_stalled_writes_events, \
450 "outbound_stalled_writes_events", \
451 "The number of events where outbound_stalled_writes was above " \
452 "a threshold.", pcie_perf_counters)
453
454 #define MLX5E_PCIE_TIMERS_AND_STATES_COUNTERS_32(m) \
455 m(+1, u64, time_to_boot_image_start, "time_to_boot_image_start", \
456 "Time from start until FW boot image starts running in usec.", \
457 pcie_timers_states) \
458 m(+1, u64, time_to_link_image, "time_to_link_image", \
459 "Time from start until FW pci_link image starts running in usec.", \
460 pcie_timers_states) \
461 m(+1, u64, calibration_time, "calibration_time", \
462 "Time it took FW to do calibration in usec.", \
463 pcie_timers_states) \
464 m(+1, u64, time_to_first_perst, "time_to_first_perst", \
465 "Time form start until FW handle first perst. in usec.", \
466 pcie_timers_states) \
467 m(+1, u64, time_to_detect_state, "time_to_detect_state", \
468 "Time from start until first transition to LTSSM.Detect_Q in usec", \
469 pcie_timers_states) \
470 m(+1, u64, time_to_l0, "time_to_l0", \
471 "Time from start until first transition to LTSSM.L0 in usec", \
472 pcie_timers_states) \
473 m(+1, u64, time_to_crs_en, "time_to_crs_en", \
474 "Time from start until crs is enabled in usec", \
475 pcie_timers_states) \
476 m(+1, u64, time_to_plastic_image_start, "time_to_plastic_image_start",\
477 "Time form start until FW plastic image starts running in usec.", \
478 pcie_timers_states) \
479 m(+1, u64, time_to_iron_image_start, "time_to_iron_image_start", \
480 "Time form start until FW iron image starts running in usec.", \
481 pcie_timers_states) \
482 m(+1, u64, perst_handler, "perst_handler", \
483 "Number of persts arrived.", pcie_timers_states) \
484 m(+1, u64, times_in_l1, "times_in_l1", \
485 "Number of times LTSSM entered L1 flow.", pcie_timers_states) \
486 m(+1, u64, times_in_l23, "times_in_l23", \
487 "Number of times LTSSM entered L23 flow.", pcie_timers_states) \
488 m(+1, u64, dl_down, "dl_down", \
489 "Number of moves for DL_active to DL_down.", pcie_timers_states) \
490 m(+1, u64, config_cycle1usec, "config_cycle1usec", \
491 "Number of configuration requests that firmware " \
492 "handled in less than 1 usec.", pcie_timers_states) \
493 m(+1, u64, config_cycle2to7usec, "config_cycle2to7usec", \
494 "Number of configuration requests that firmware " \
495 "handled within 2 to 7 usec.", pcie_timers_states) \
496 m(+1, u64, config_cycle8to15usec, "config_cycle8to15usec", \
497 "Number of configuration requests that firmware " \
498 "handled within 8 to 15 usec.", pcie_timers_states) \
499 m(+1, u64, config_cycle16to63usec, "config_cycle16to63usec", \
500 "Number of configuration requests that firmware " \
501 "handled within 16 to 63 usec.", pcie_timers_states) \
502 m(+1, u64, config_cycle64usec, "config_cycle64usec", \
503 "Number of configuration requests that firmware " \
504 "handled took more than 64 usec.", pcie_timers_states) \
505 m(+1, u64, correctable_err_msg_sent, "correctable_err_msg_sent", \
506 "Number of correctable error messages sent.", pcie_timers_states) \
507 m(+1, u64, non_fatal_err_msg_sent, "non_fatal_err_msg_sent", \
508 "Number of non-Fatal error msg sent.", pcie_timers_states) \
509 m(+1, u64, fatal_err_msg_sent, "fatal_err_msg_sent", \
510 "Number of fatal error msg sent.", pcie_timers_states)
511
512 #define MLX5E_PCIE_LANE_COUNTERS_32(m) \
513 m(+1, u64, error_counter_lane0, "error_counter_lane0", \
514 "Error counter for PCI lane 0", pcie_lanes_counters) \
515 m(+1, u64, error_counter_lane1, "error_counter_lane1", \
516 "Error counter for PCI lane 1", pcie_lanes_counters) \
517 m(+1, u64, error_counter_lane2, "error_counter_lane2", \
518 "Error counter for PCI lane 2", pcie_lanes_counters) \
519 m(+1, u64, error_counter_lane3, "error_counter_lane3", \
520 "Error counter for PCI lane 3", pcie_lanes_counters) \
521 m(+1, u64, error_counter_lane4, "error_counter_lane4", \
522 "Error counter for PCI lane 4", pcie_lanes_counters) \
523 m(+1, u64, error_counter_lane5, "error_counter_lane5", \
524 "Error counter for PCI lane 5", pcie_lanes_counters) \
525 m(+1, u64, error_counter_lane6, "error_counter_lane6", \
526 "Error counter for PCI lane 6", pcie_lanes_counters) \
527 m(+1, u64, error_counter_lane7, "error_counter_lane7", \
528 "Error counter for PCI lane 7", pcie_lanes_counters) \
529 m(+1, u64, error_counter_lane8, "error_counter_lane8", \
530 "Error counter for PCI lane 8", pcie_lanes_counters) \
531 m(+1, u64, error_counter_lane9, "error_counter_lane9", \
532 "Error counter for PCI lane 9", pcie_lanes_counters) \
533 m(+1, u64, error_counter_lane10, "error_counter_lane10", \
534 "Error counter for PCI lane 10", pcie_lanes_counters) \
535 m(+1, u64, error_counter_lane11, "error_counter_lane11", \
536 "Error counter for PCI lane 11", pcie_lanes_counters) \
537 m(+1, u64, error_counter_lane12, "error_counter_lane12", \
538 "Error counter for PCI lane 12", pcie_lanes_counters) \
539 m(+1, u64, error_counter_lane13, "error_counter_lane13", \
540 "Error counter for PCI lane 13", pcie_lanes_counters) \
541 m(+1, u64, error_counter_lane14, "error_counter_lane14", \
542 "Error counter for PCI lane 14", pcie_lanes_counters) \
543 m(+1, u64, error_counter_lane15, "error_counter_lane15", \
544 "Error counter for PCI lane 15", pcie_lanes_counters)
545
546 /*
547 * Make sure to update mlx5e_update_pport_counters()
548 * when adding a new MLX5E_PPORT_STATS block
549 */
550 #define MLX5E_PPORT_STATS(m) \
551 MLX5E_PPORT_PER_PRIO_STATS(m) \
552 MLX5E_PPORT_IEEE802_3_STATS(m) \
553 MLX5E_PPORT_RFC2819_STATS(m)
554
555 #define MLX5E_PORT_STATS_DEBUG(m) \
556 MLX5E_PPORT_RFC2819_STATS_DEBUG(m) \
557 MLX5E_PPORT_RFC2863_STATS_DEBUG(m) \
558 MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(m) \
559 MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG(m) \
560 MLX5E_PPORT_STATISTICAL_DEBUG(m) \
561 MLX5E_PCIE_PERFORMANCE_COUNTERS_64(m) \
562 MLX5E_PCIE_PERFORMANCE_COUNTERS_32(m) \
563 MLX5E_PCIE_TIMERS_AND_STATES_COUNTERS_32(m) \
564 MLX5E_PCIE_LANE_COUNTERS_32(m)
565
566 #define MLX5E_PPORT_IEEE802_3_STATS_NUM \
567 (0 MLX5E_PPORT_IEEE802_3_STATS(MLX5E_STATS_COUNT))
568 #define MLX5E_PPORT_RFC2819_STATS_NUM \
569 (0 MLX5E_PPORT_RFC2819_STATS(MLX5E_STATS_COUNT))
570 #define MLX5E_PPORT_STATS_NUM \
571 (0 MLX5E_PPORT_STATS(MLX5E_STATS_COUNT))
572
573 #define MLX5E_PPORT_PER_PRIO_STATS_NUM \
574 (0 MLX5E_PPORT_PER_PRIO_STATS(MLX5E_STATS_COUNT))
575 #define MLX5E_PPORT_RFC2819_STATS_DEBUG_NUM \
576 (0 MLX5E_PPORT_RFC2819_STATS_DEBUG(MLX5E_STATS_COUNT))
577 #define MLX5E_PPORT_RFC2863_STATS_DEBUG_NUM \
578 (0 MLX5E_PPORT_RFC2863_STATS_DEBUG(MLX5E_STATS_COUNT))
579 #define MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG_NUM \
580 (0 MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG(MLX5E_STATS_COUNT))
581 #define MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG_NUM \
582 (0 MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG(MLX5E_STATS_COUNT))
583 #define MLX5E_PPORT_STATISTICAL_DEBUG_NUM \
584 (0 MLX5E_PPORT_STATISTICAL_DEBUG(MLX5E_STATS_COUNT))
585 #define MLX5E_PORT_STATS_DEBUG_NUM \
586 (0 MLX5E_PORT_STATS_DEBUG(MLX5E_STATS_COUNT))
587
588 struct mlx5e_pport_stats {
589 struct sysctl_ctx_list ctx;
590 u64 arg [0];
591 MLX5E_PPORT_STATS(MLX5E_STATS_VAR)
592 };
593
594 struct mlx5e_port_stats_debug {
595 struct sysctl_ctx_list ctx;
596 u64 arg [0];
597 MLX5E_PORT_STATS_DEBUG(MLX5E_STATS_VAR)
598 };
599
600 #define MLX5E_RQ_STATS(m) \
601 m(+1, u64, packets, "packets", "Received packets") \
602 m(+1, u64, bytes, "bytes", "Received bytes") \
603 m(+1, u64, csum_none, "csum_none", "Received packets") \
604 m(+1, u64, lro_packets, "lro_packets", "Received LRO packets") \
605 m(+1, u64, lro_bytes, "lro_bytes", "Received LRO bytes") \
606 m(+1, u64, sw_lro_queued, "sw_lro_queued", "Packets queued for SW LRO") \
607 m(+1, u64, sw_lro_flushed, "sw_lro_flushed", "Packets flushed from SW LRO") \
608 m(+1, u64, wqe_err, "wqe_err", "Received packets")
609
610 #define MLX5E_RQ_STATS_NUM (0 MLX5E_RQ_STATS(MLX5E_STATS_COUNT))
611
612 struct mlx5e_rq_stats {
613 struct sysctl_ctx_list ctx;
614 u64 arg [0];
615 MLX5E_RQ_STATS(MLX5E_STATS_VAR)
616 };
617
618 #define MLX5E_SQ_STATS(m) \
619 m(+1, u64, packets, "packets", "Transmitted packets") \
620 m(+1, u64, bytes, "bytes", "Transmitted bytes") \
621 m(+1, u64, tso_packets, "tso_packets", "Transmitted packets") \
622 m(+1, u64, tso_bytes, "tso_bytes", "Transmitted bytes") \
623 m(+1, u64, csum_offload_none, "csum_offload_none", "Transmitted packets") \
624 m(+1, u64, defragged, "defragged", "Transmitted packets") \
625 m(+1, u64, dropped, "dropped", "Transmitted packets") \
626 m(+1, u64, enobuf, "enobuf", "Transmitted packets") \
627 m(+1, u64, nop, "nop", "Transmitted packets")
628
629 #define MLX5E_SQ_STATS_NUM (0 MLX5E_SQ_STATS(MLX5E_STATS_COUNT))
630
631 struct mlx5e_sq_stats {
632 struct sysctl_ctx_list ctx;
633 u64 arg [0];
634 MLX5E_SQ_STATS(MLX5E_STATS_VAR)
635 };
636
637 struct mlx5e_stats {
638 struct mlx5e_vport_stats vport;
639 struct mlx5e_pport_stats pport;
640 struct mlx5e_port_stats_debug port_stats_debug;
641 };
642
643 struct mlx5e_rq_param {
644 u32 rqc [MLX5_ST_SZ_DW(rqc)];
645 struct mlx5_wq_param wq;
646 };
647
648 struct mlx5e_sq_param {
649 u32 sqc [MLX5_ST_SZ_DW(sqc)];
650 struct mlx5_wq_param wq;
651 };
652
653 struct mlx5e_cq_param {
654 u32 cqc [MLX5_ST_SZ_DW(cqc)];
655 struct mlx5_wq_param wq;
656 };
657
658 struct mlx5e_params {
659 u8 log_sq_size;
660 u8 log_rq_size;
661 u16 num_channels;
662 u8 default_vlan_prio;
663 u8 num_tc;
664 u8 rx_cq_moderation_mode;
665 u8 tx_cq_moderation_mode;
666 u16 rx_cq_moderation_usec;
667 u16 rx_cq_moderation_pkts;
668 u16 tx_cq_moderation_usec;
669 u16 tx_cq_moderation_pkts;
670 u16 min_rx_wqes;
671 bool hw_lro_en;
672 bool cqe_zipping_en;
673 u32 lro_wqe_sz;
674 u16 rx_hash_log_tbl_sz;
675 u32 tx_pauseframe_control __aligned(4);
676 u32 rx_pauseframe_control __aligned(4);
677 u16 tx_max_inline;
678 u8 tx_min_inline_mode;
679 u8 tx_priority_flow_control;
680 u8 rx_priority_flow_control;
681 u8 channels_rsss;
682 };
683
684 #define MLX5E_PARAMS(m) \
685 m(+1, u64, tx_queue_size_max, "tx_queue_size_max", "Max send queue size") \
686 m(+1, u64, rx_queue_size_max, "rx_queue_size_max", "Max receive queue size") \
687 m(+1, u64, tx_queue_size, "tx_queue_size", "Default send queue size") \
688 m(+1, u64, rx_queue_size, "rx_queue_size", "Default receive queue size") \
689 m(+1, u64, channels, "channels", "Default number of channels") \
690 m(+1, u64, channels_rsss, "channels_rsss", "Default channels receive side scaling stride") \
691 m(+1, u64, coalesce_usecs_max, "coalesce_usecs_max", "Maximum usecs for joining packets") \
692 m(+1, u64, coalesce_pkts_max, "coalesce_pkts_max", "Maximum packets to join") \
693 m(+1, u64, rx_coalesce_usecs, "rx_coalesce_usecs", "Limit in usec for joining rx packets") \
694 m(+1, u64, rx_coalesce_pkts, "rx_coalesce_pkts", "Maximum number of rx packets to join") \
695 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") \
696 m(+1, u64, tx_coalesce_usecs, "tx_coalesce_usecs", "Limit in usec for joining tx packets") \
697 m(+1, u64, tx_coalesce_pkts, "tx_coalesce_pkts", "Maximum number of tx packets to join") \
698 m(+1, u64, tx_coalesce_mode, "tx_coalesce_mode", "0: EQE mode 1: CQE mode") \
699 m(+1, u64, tx_completion_fact, "tx_completion_fact", "1..MAX: Completion event ratio") \
700 m(+1, u64, tx_completion_fact_max, "tx_completion_fact_max", "Maximum completion event ratio") \
701 m(+1, u64, hw_lro, "hw_lro", "set to enable hw_lro") \
702 m(+1, u64, cqe_zipping, "cqe_zipping", "0 : CQE zipping disabled") \
703 m(+1, u64, modify_tx_dma, "modify_tx_dma", "0: Enable TX 1: Disable TX") \
704 m(+1, u64, modify_rx_dma, "modify_rx_dma", "0: Enable RX 1: Disable RX") \
705 m(+1, u64, diag_pci_enable, "diag_pci_enable", "0: Disabled 1: Enabled") \
706 m(+1, u64, diag_general_enable, "diag_general_enable", "0: Disabled 1: Enabled") \
707 m(+1, u64, hw_mtu, "hw_mtu", "Current hardware MTU value") \
708 m(+1, u64, mc_local_lb, "mc_local_lb", "0: Local multicast loopback enabled 1: Disabled") \
709 m(+1, u64, uc_local_lb, "uc_local_lb", "0: Local unicast loopback enabled 1: Disabled")
710
711 #define MLX5E_PARAMS_NUM (0 MLX5E_PARAMS(MLX5E_STATS_COUNT))
712
713 struct mlx5e_params_ethtool {
714 u64 arg [0];
715 MLX5E_PARAMS(MLX5E_STATS_VAR)
716 u64 max_bw_value[IEEE_8021QAZ_MAX_TCS];
717 u8 max_bw_share[IEEE_8021QAZ_MAX_TCS];
718 u8 prio_tc[MLX5E_MAX_PRIORITY];
719 u8 dscp2prio[MLX5_MAX_SUPPORTED_DSCP];
720 u8 trust_state;
721 u8 fec_mask_10x_25x[MLX5E_MAX_FEC_10X_25X];
722 u16 fec_mask_50x[MLX5E_MAX_FEC_50X];
723 u8 fec_avail_10x_25x[MLX5E_MAX_FEC_10X_25X];
724 u16 fec_avail_50x[MLX5E_MAX_FEC_50X];
725 u32 fec_mode_active;
726 s32 hw_val_temp[MLX5_MAX_TEMPERATURE];
727 u32 hw_num_temp;
728 };
729
730 struct mlx5e_cq {
731 /* data path - accessed per cqe */
732 struct mlx5_cqwq wq;
733
734 /* data path - accessed per HW polling */
735 struct mlx5_core_cq mcq;
736
737 /* control */
738 struct mlx5e_priv *priv;
739 struct mlx5_wq_ctrl wq_ctrl;
740 } __aligned(MLX5E_CACHELINE_SIZE);
741
742 struct mlx5e_rq_mbuf {
743 bus_dmamap_t dma_map;
744 caddr_t data;
745 struct mbuf *mbuf;
746 };
747
748 struct mlx5e_rq {
749 /* persistant fields */
750 struct mtx mtx;
751 struct mlx5e_rq_stats stats;
752 struct callout watchdog;
753
754 /* data path */
755 #define mlx5e_rq_zero_start wq
756 struct mlx5_wq_ll wq;
757 bus_dma_tag_t dma_tag;
758 u32 wqe_sz;
759 u32 nsegs;
760 struct mlx5e_rq_mbuf *mbuf;
761 struct ifnet *ifp;
762 struct mlx5e_cq cq;
763 struct lro_ctrl lro;
764 volatile int enabled;
765 int ix;
766
767 /* Dynamic Interrupt Moderation */
768 struct net_dim dim;
769
770 /* control */
771 struct mlx5_wq_ctrl wq_ctrl;
772 u32 rqn;
773 struct mlx5e_channel *channel;
774 } __aligned(MLX5E_CACHELINE_SIZE);
775
776 struct mlx5e_sq_mbuf {
777 bus_dmamap_t dma_map;
778 struct mbuf *mbuf;
779 u32 num_bytes;
780 u32 num_wqebbs;
781 };
782
783 enum {
784 MLX5E_SQ_READY,
785 MLX5E_SQ_FULL
786 };
787
788 struct mlx5e_sq {
789 /* persistant fields */
790 struct mtx lock;
791 struct mtx comp_lock;
792 struct mlx5e_sq_stats stats;
793 struct callout cev_callout;
794
795 /* data path */
796 #define mlx5e_sq_zero_start dma_tag
797 bus_dma_tag_t dma_tag;
798
799 /* dirtied @completion */
800 u16 cc;
801
802 /* dirtied @xmit */
803 u16 pc __aligned(MLX5E_CACHELINE_SIZE);
804 u16 bf_offset;
805 u16 cev_counter; /* completion event counter */
806 u16 cev_factor; /* completion event factor */
807 u16 cev_next_state; /* next completion event state */
808 #define MLX5E_CEV_STATE_INITIAL 0 /* timer not started */
809 #define MLX5E_CEV_STATE_SEND_NOPS 1 /* send NOPs */
810 #define MLX5E_CEV_STATE_HOLD_NOPS 2 /* don't send NOPs yet */
811 u16 running; /* set if SQ is running */
812 union {
813 u32 d32[2];
814 u64 d64;
815 } doorbell;
816
817 struct mlx5e_cq cq;
818
819 /* pointers to per packet info: write@xmit, read@completion */
820 struct mlx5e_sq_mbuf *mbuf;
821
822 /* read only */
823 struct mlx5_wq_cyc wq;
824 struct mlx5_uar uar;
825 struct ifnet *ifp;
826 u32 sqn;
827 u32 bf_buf_size;
828 u32 mkey_be;
829 u16 max_inline;
830 u8 min_inline_mode;
831 u8 min_insert_caps;
832 #define MLX5E_INSERT_VLAN 1
833 #define MLX5E_INSERT_NON_VLAN 2
834
835 /* control path */
836 struct mlx5_wq_ctrl wq_ctrl;
837 struct mlx5e_priv *priv;
838 int tc;
839 } __aligned(MLX5E_CACHELINE_SIZE);
840
841 static inline bool
mlx5e_sq_has_room_for(struct mlx5e_sq * sq,u16 n)842 mlx5e_sq_has_room_for(struct mlx5e_sq *sq, u16 n)
843 {
844 u16 cc = sq->cc;
845 u16 pc = sq->pc;
846
847 return ((sq->wq.sz_m1 & (cc - pc)) >= n || cc == pc);
848 }
849
850 struct mlx5e_channel {
851 struct mlx5e_rq rq;
852 struct mlx5e_sq sq[MLX5E_MAX_TX_NUM_TC];
853 struct ifnet *ifp;
854 struct mlx5e_priv *priv;
855 int ix;
856 } __aligned(MLX5E_CACHELINE_SIZE);
857
858 enum mlx5e_traffic_types {
859 MLX5E_TT_IPV4_TCP,
860 MLX5E_TT_IPV6_TCP,
861 MLX5E_TT_IPV4_UDP,
862 MLX5E_TT_IPV6_UDP,
863 MLX5E_TT_IPV4_IPSEC_AH,
864 MLX5E_TT_IPV6_IPSEC_AH,
865 MLX5E_TT_IPV4_IPSEC_ESP,
866 MLX5E_TT_IPV6_IPSEC_ESP,
867 MLX5E_TT_IPV4,
868 MLX5E_TT_IPV6,
869 MLX5E_TT_ANY,
870 MLX5E_NUM_TT,
871 };
872
873 enum {
874 MLX5E_RQT_SPREADING = 0,
875 MLX5E_RQT_DEFAULT_RQ = 1,
876 MLX5E_NUM_RQT = 2,
877 };
878
879 struct mlx5_flow_rule;
880
881 struct mlx5e_eth_addr_info {
882 u8 addr [ETH_ALEN + 2];
883 u32 tt_vec;
884 /* flow table rule per traffic type */
885 struct mlx5_flow_rule *ft_rule[MLX5E_NUM_TT];
886 };
887
888 #define MLX5E_ETH_ADDR_HASH_SIZE (1 << BITS_PER_BYTE)
889
890 struct mlx5e_eth_addr_hash_node;
891
892 struct mlx5e_eth_addr_hash_head {
893 struct mlx5e_eth_addr_hash_node *lh_first;
894 };
895
896 struct mlx5e_eth_addr_db {
897 struct mlx5e_eth_addr_hash_head if_uc[MLX5E_ETH_ADDR_HASH_SIZE];
898 struct mlx5e_eth_addr_hash_head if_mc[MLX5E_ETH_ADDR_HASH_SIZE];
899 struct mlx5e_eth_addr_info broadcast;
900 struct mlx5e_eth_addr_info allmulti;
901 struct mlx5e_eth_addr_info promisc;
902 bool broadcast_enabled;
903 bool allmulti_enabled;
904 bool promisc_enabled;
905 };
906
907 enum {
908 MLX5E_STATE_ASYNC_EVENTS_ENABLE,
909 MLX5E_STATE_OPENED,
910 };
911
912 enum {
913 MLX5_BW_NO_LIMIT = 0,
914 MLX5_100_MBPS_UNIT = 3,
915 MLX5_GBPS_UNIT = 4,
916 };
917
918 struct mlx5e_vlan_db {
919 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
920 struct mlx5_flow_rule *active_vlans_ft_rule[VLAN_N_VID];
921 struct mlx5_flow_rule *untagged_ft_rule;
922 struct mlx5_flow_rule *any_cvlan_ft_rule;
923 struct mlx5_flow_rule *any_svlan_ft_rule;
924 bool filter_disabled;
925 };
926
927 struct mlx5e_flow_table {
928 int num_groups;
929 struct mlx5_flow_table *t;
930 struct mlx5_flow_group **g;
931 };
932
933 struct mlx5e_flow_tables {
934 struct mlx5_flow_namespace *ns;
935 struct mlx5e_flow_table vlan;
936 struct mlx5e_flow_table main;
937 struct mlx5e_flow_table inner_rss;
938 };
939
940 struct mlx5e_dcbx {
941 u32 cable_len;
942 u32 xoff;
943 };
944
945 struct mlx5e_priv {
946 struct mlx5_core_dev *mdev; /* must be first */
947
948 /* priv data path fields - start */
949 int order_base_2_num_channels;
950 int queue_mapping_channel_mask;
951 int num_tc;
952 int default_vlan_prio;
953 /* priv data path fields - end */
954
955 unsigned long state;
956 int gone;
957 #define PRIV_LOCK(priv) sx_xlock(&(priv)->state_lock)
958 #define PRIV_UNLOCK(priv) sx_xunlock(&(priv)->state_lock)
959 #define PRIV_LOCKED(priv) sx_xlocked(&(priv)->state_lock)
960 #define PRIV_ASSERT_LOCKED(priv) sx_assert(&(priv)->state_lock, SA_XLOCKED)
961 struct sx state_lock; /* Protects Interface state */
962 struct mlx5_uar cq_uar;
963 u32 pdn;
964 u32 tdn;
965 struct mlx5_core_mr mr;
966
967 u32 tisn[MLX5E_MAX_TX_NUM_TC];
968 u32 rqtn;
969 u32 tirn[MLX5E_NUM_TT];
970
971 struct mlx5e_flow_tables fts;
972 struct mlx5e_eth_addr_db eth_addr;
973 struct mlx5e_vlan_db vlan;
974
975 struct mlx5e_params params;
976 struct mlx5e_params_ethtool params_ethtool;
977 union mlx5_core_pci_diagnostics params_pci;
978 union mlx5_core_general_diagnostics params_general;
979 struct mtx async_events_mtx; /* sync hw events */
980 struct work_struct update_stats_work;
981 struct work_struct update_carrier_work;
982 struct work_struct set_rx_mode_work;
983 MLX5_DECLARE_DOORBELL_LOCK(doorbell_lock)
984
985 struct ifnet *ifp;
986 struct sysctl_ctx_list sysctl_ctx;
987 struct sysctl_oid *sysctl_ifnet;
988 struct sysctl_oid *sysctl_hw;
989 int sysctl_debug;
990 struct mlx5e_stats stats;
991 int counter_set_id;
992
993 struct workqueue_struct *wq;
994
995 eventhandler_tag vlan_detach;
996 eventhandler_tag vlan_attach;
997 struct ifmedia media;
998 int media_status_last;
999 int media_active_last;
1000
1001 struct callout watchdog;
1002
1003 struct mlx5e_dcbx dcbx;
1004 bool sw_is_port_buf_owner;
1005
1006 struct mlx5e_channel channel[];
1007 };
1008
1009 #define MLX5E_NET_IP_ALIGN 2
1010
1011 struct mlx5e_tx_wqe {
1012 struct mlx5_wqe_ctrl_seg ctrl;
1013 struct mlx5_wqe_eth_seg eth;
1014 };
1015
1016 struct mlx5e_rx_wqe {
1017 struct mlx5_wqe_srq_next_seg next;
1018 struct mlx5_wqe_data_seg data[];
1019 };
1020
1021 /* the size of the structure above must be power of two */
1022 CTASSERT(powerof2(sizeof(struct mlx5e_rx_wqe)));
1023
1024 struct mlx5e_eeprom {
1025 int lock_bit;
1026 int i2c_addr;
1027 int page_num;
1028 int device_addr;
1029 int module_num;
1030 int len;
1031 int type;
1032 int page_valid;
1033 u32 *data;
1034 };
1035
1036 #define MLX5E_FLD_MAX(typ, fld) ((1ULL << __mlx5_bit_sz(typ, fld)) - 1ULL)
1037
1038 int mlx5e_xmit(struct ifnet *, struct mbuf *);
1039
1040 int mlx5e_open_locked(struct ifnet *);
1041 int mlx5e_close_locked(struct ifnet *);
1042
1043 void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, int event);
1044 void mlx5e_rx_cq_comp(struct mlx5_core_cq *);
1045 void mlx5e_tx_cq_comp(struct mlx5_core_cq *);
1046 struct mlx5_cqe64 *mlx5e_get_cqe(struct mlx5e_cq *cq);
1047
1048 void mlx5e_dim_work(struct work_struct *);
1049 void mlx5e_dim_build_cq_param(struct mlx5e_priv *, struct mlx5e_cq_param *);
1050
1051 int mlx5e_open_flow_table(struct mlx5e_priv *priv);
1052 void mlx5e_close_flow_table(struct mlx5e_priv *priv);
1053 void mlx5e_set_rx_mode_core(struct mlx5e_priv *priv);
1054 void mlx5e_set_rx_mode_work(struct work_struct *work);
1055
1056 void mlx5e_vlan_rx_add_vid(void *, struct ifnet *, u16);
1057 void mlx5e_vlan_rx_kill_vid(void *, struct ifnet *, u16);
1058 void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv);
1059 void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv);
1060 int mlx5e_add_all_vlan_rules(struct mlx5e_priv *priv);
1061 void mlx5e_del_all_vlan_rules(struct mlx5e_priv *priv);
1062
1063 static inline void
mlx5e_tx_notify_hw(struct mlx5e_sq * sq,u32 * wqe,int bf_sz)1064 mlx5e_tx_notify_hw(struct mlx5e_sq *sq, u32 *wqe, int bf_sz)
1065 {
1066 u16 ofst = MLX5_BF_OFFSET + sq->bf_offset;
1067
1068 /* ensure wqe is visible to device before updating doorbell record */
1069 wmb();
1070
1071 *sq->wq.db = cpu_to_be32(sq->pc);
1072
1073 /*
1074 * Ensure the doorbell record is visible to device before ringing
1075 * the doorbell:
1076 */
1077 wmb();
1078
1079 if (bf_sz) {
1080 __iowrite64_copy(sq->uar.bf_map + ofst, wqe, bf_sz);
1081
1082 /* flush the write-combining mapped buffer */
1083 wmb();
1084
1085 } else {
1086 mlx5_write64(wqe, sq->uar.map + ofst,
1087 MLX5_GET_DOORBELL_LOCK(&sq->priv->doorbell_lock));
1088 }
1089
1090 sq->bf_offset ^= sq->bf_buf_size;
1091 }
1092
1093 static inline void
mlx5e_cq_arm(struct mlx5e_cq * cq,spinlock_t * dblock)1094 mlx5e_cq_arm(struct mlx5e_cq *cq, spinlock_t *dblock)
1095 {
1096 struct mlx5_core_cq *mcq;
1097
1098 mcq = &cq->mcq;
1099 mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, dblock, cq->wq.cc);
1100 }
1101
1102 #define mlx5e_dbg(_IGN, _priv, ...) mlx5_core_dbg((_priv)->mdev, __VA_ARGS__)
1103
1104 extern const struct ethtool_ops mlx5e_ethtool_ops;
1105 void mlx5e_create_ethtool(struct mlx5e_priv *);
1106 void mlx5e_create_stats(struct sysctl_ctx_list *,
1107 struct sysctl_oid_list *, const char *,
1108 const char **, unsigned, u64 *);
1109 void mlx5e_send_nop(struct mlx5e_sq *, u32);
1110 void mlx5e_sq_cev_timeout(void *);
1111 int mlx5e_refresh_channel_params(struct mlx5e_priv *);
1112 int mlx5e_open_cq(struct mlx5e_priv *, struct mlx5e_cq_param *,
1113 struct mlx5e_cq *, mlx5e_cq_comp_t *, int eq_ix);
1114 void mlx5e_close_cq(struct mlx5e_cq *);
1115 void mlx5e_free_sq_db(struct mlx5e_sq *);
1116 int mlx5e_alloc_sq_db(struct mlx5e_sq *);
1117 int mlx5e_enable_sq(struct mlx5e_sq *, struct mlx5e_sq_param *, int tis_num);
1118 int mlx5e_modify_sq(struct mlx5e_sq *, int curr_state, int next_state);
1119 void mlx5e_disable_sq(struct mlx5e_sq *);
1120 void mlx5e_drain_sq(struct mlx5e_sq *);
1121 void mlx5e_modify_tx_dma(struct mlx5e_priv *priv, uint8_t value);
1122 void mlx5e_modify_rx_dma(struct mlx5e_priv *priv, uint8_t value);
1123 void mlx5e_resume_sq(struct mlx5e_sq *sq);
1124 void mlx5e_update_sq_inline(struct mlx5e_sq *sq);
1125 void mlx5e_refresh_sq_inline(struct mlx5e_priv *priv);
1126 int mlx5e_update_buf_lossy(struct mlx5e_priv *priv);
1127 int mlx5e_fec_update(struct mlx5e_priv *priv);
1128 int mlx5e_hw_temperature_update(struct mlx5e_priv *priv);
1129
1130 #endif /* _MLX5_EN_H_ */
1131