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c27a02cd YP |
1 | /* |
2 | * Copyright (c) 2007 Mellanox Technologies. All rights reserved. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | * | |
32 | */ | |
33 | ||
34 | #ifndef _MLX4_EN_H_ | |
35 | #define _MLX4_EN_H_ | |
36 | ||
f1b553fb | 37 | #include <linux/bitops.h> |
c27a02cd YP |
38 | #include <linux/compiler.h> |
39 | #include <linux/list.h> | |
40 | #include <linux/mutex.h> | |
41 | #include <linux/netdevice.h> | |
f1b553fb | 42 | #include <linux/if_vlan.h> |
564c274c AV |
43 | #ifdef CONFIG_MLX4_EN_DCB |
44 | #include <linux/dcbnl.h> | |
45 | #endif | |
1eb8c695 | 46 | #include <linux/cpu_rmap.h> |
c27a02cd YP |
47 | |
48 | #include <linux/mlx4/device.h> | |
49 | #include <linux/mlx4/qp.h> | |
50 | #include <linux/mlx4/cq.h> | |
51 | #include <linux/mlx4/srq.h> | |
52 | #include <linux/mlx4/doorbell.h> | |
e7c1c2c4 | 53 | #include <linux/mlx4/cmd.h> |
c27a02cd YP |
54 | |
55 | #include "en_port.h" | |
56 | ||
57 | #define DRV_NAME "mlx4_en" | |
6edf91da YP |
58 | #define DRV_VERSION "2.0" |
59 | #define DRV_RELDATE "Dec 2011" | |
c27a02cd | 60 | |
c27a02cd YP |
61 | #define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN) |
62 | ||
c27a02cd YP |
63 | /* |
64 | * Device constants | |
65 | */ | |
66 | ||
67 | ||
68 | #define MLX4_EN_PAGE_SHIFT 12 | |
69 | #define MLX4_EN_PAGE_SIZE (1 << MLX4_EN_PAGE_SHIFT) | |
d317966b AV |
70 | #define DEF_RX_RINGS 16 |
71 | #define MAX_RX_RINGS 128 | |
1fb9876e | 72 | #define MIN_RX_RINGS 4 |
c27a02cd YP |
73 | #define TXBB_SIZE 64 |
74 | #define HEADROOM (2048 / TXBB_SIZE + 1) | |
c27a02cd YP |
75 | #define STAMP_STRIDE 64 |
76 | #define STAMP_DWORDS (STAMP_STRIDE / 4) | |
77 | #define STAMP_SHIFT 31 | |
78 | #define STAMP_VAL 0x7fffffff | |
79 | #define STATS_DELAY (HZ / 4) | |
82067281 | 80 | #define MAX_NUM_OF_FS_RULES 256 |
c27a02cd | 81 | |
1eb8c695 AV |
82 | #define MLX4_EN_FILTER_HASH_SHIFT 4 |
83 | #define MLX4_EN_FILTER_EXPIRY_QUOTA 60 | |
84 | ||
c27a02cd YP |
85 | /* Typical TSO descriptor with 16 gather entries is 352 bytes... */ |
86 | #define MAX_DESC_SIZE 512 | |
87 | #define MAX_DESC_TXBBS (MAX_DESC_SIZE / TXBB_SIZE) | |
88 | ||
89 | /* | |
90 | * OS related constants and tunables | |
91 | */ | |
92 | ||
93 | #define MLX4_EN_WATCHDOG_TIMEOUT (15 * HZ) | |
94 | ||
117980c4 TLSC |
95 | /* Use the maximum between 16384 and a single page */ |
96 | #define MLX4_EN_ALLOC_SIZE PAGE_ALIGN(16384) | |
97 | #define MLX4_EN_ALLOC_ORDER get_order(MLX4_EN_ALLOC_SIZE) | |
c27a02cd | 98 | |
c27a02cd YP |
99 | /* Receive fragment sizes; we use at most 4 fragments (for 9600 byte MTU |
100 | * and 4K allocations) */ | |
101 | enum { | |
102 | FRAG_SZ0 = 512 - NET_IP_ALIGN, | |
103 | FRAG_SZ1 = 1024, | |
104 | FRAG_SZ2 = 4096, | |
105 | FRAG_SZ3 = MLX4_EN_ALLOC_SIZE | |
106 | }; | |
107 | #define MLX4_EN_MAX_RX_FRAGS 4 | |
108 | ||
bd531e36 YP |
109 | /* Maximum ring sizes */ |
110 | #define MLX4_EN_MAX_TX_SIZE 8192 | |
111 | #define MLX4_EN_MAX_RX_SIZE 8192 | |
112 | ||
4cce66cd | 113 | /* Minimum ring size for our page-allocation scheme to work */ |
c27a02cd YP |
114 | #define MLX4_EN_MIN_RX_SIZE (MLX4_EN_ALLOC_SIZE / SMP_CACHE_BYTES) |
115 | #define MLX4_EN_MIN_TX_SIZE (4096 / TXBB_SIZE) | |
116 | ||
f813cad8 | 117 | #define MLX4_EN_SMALL_PKT_SIZE 64 |
bc6a4744 | 118 | #define MLX4_EN_MAX_TX_RING_P_UP 32 |
564c274c | 119 | #define MLX4_EN_NUM_UP 8 |
f813cad8 | 120 | #define MLX4_EN_DEF_TX_RING_SIZE 512 |
c27a02cd | 121 | #define MLX4_EN_DEF_RX_RING_SIZE 1024 |
d317966b AV |
122 | #define MAX_TX_RINGS (MLX4_EN_MAX_TX_RING_P_UP * \ |
123 | MLX4_EN_NUM_UP) | |
c27a02cd | 124 | |
3db36fb2 YP |
125 | /* Target number of packets to coalesce with interrupt moderation */ |
126 | #define MLX4_EN_RX_COAL_TARGET 44 | |
c27a02cd YP |
127 | #define MLX4_EN_RX_COAL_TIME 0x10 |
128 | ||
e22979d9 | 129 | #define MLX4_EN_TX_COAL_PKTS 16 |
ecfd2ce1 | 130 | #define MLX4_EN_TX_COAL_TIME 0x10 |
c27a02cd YP |
131 | |
132 | #define MLX4_EN_RX_RATE_LOW 400000 | |
133 | #define MLX4_EN_RX_COAL_TIME_LOW 0 | |
134 | #define MLX4_EN_RX_RATE_HIGH 450000 | |
135 | #define MLX4_EN_RX_COAL_TIME_HIGH 128 | |
136 | #define MLX4_EN_RX_SIZE_THRESH 1024 | |
137 | #define MLX4_EN_RX_RATE_THRESH (1000000 / MLX4_EN_RX_COAL_TIME_HIGH) | |
138 | #define MLX4_EN_SAMPLE_INTERVAL 0 | |
46afd0fb | 139 | #define MLX4_EN_AVG_PKT_SMALL 256 |
c27a02cd YP |
140 | |
141 | #define MLX4_EN_AUTO_CONF 0xffff | |
142 | ||
143 | #define MLX4_EN_DEF_RX_PAUSE 1 | |
144 | #define MLX4_EN_DEF_TX_PAUSE 1 | |
145 | ||
af901ca1 | 146 | /* Interval between successive polls in the Tx routine when polling is used |
c27a02cd YP |
147 | instead of interrupts (in per-core Tx rings) - should be power of 2 */ |
148 | #define MLX4_EN_TX_POLL_MODER 16 | |
149 | #define MLX4_EN_TX_POLL_TIMEOUT (HZ / 4) | |
150 | ||
151 | #define ETH_LLC_SNAP_SIZE 8 | |
152 | ||
153 | #define SMALL_PACKET_SIZE (256 - NET_IP_ALIGN) | |
154 | #define HEADER_COPY_SIZE (128 - NET_IP_ALIGN) | |
e7c1c2c4 | 155 | #define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN) |
c27a02cd YP |
156 | |
157 | #define MLX4_EN_MIN_MTU 46 | |
158 | #define ETH_BCAST 0xffffffffffffULL | |
159 | ||
e7c1c2c4 YP |
160 | #define MLX4_EN_LOOPBACK_RETRIES 5 |
161 | #define MLX4_EN_LOOPBACK_TIMEOUT 100 | |
162 | ||
c27a02cd YP |
163 | #ifdef MLX4_EN_PERF_STAT |
164 | /* Number of samples to 'average' */ | |
165 | #define AVG_SIZE 128 | |
166 | #define AVG_FACTOR 1024 | |
167 | #define NUM_PERF_STATS NUM_PERF_COUNTERS | |
168 | ||
169 | #define INC_PERF_COUNTER(cnt) (++(cnt)) | |
170 | #define ADD_PERF_COUNTER(cnt, add) ((cnt) += (add)) | |
171 | #define AVG_PERF_COUNTER(cnt, sample) \ | |
172 | ((cnt) = ((cnt) * (AVG_SIZE - 1) + (sample) * AVG_FACTOR) / AVG_SIZE) | |
173 | #define GET_PERF_COUNTER(cnt) (cnt) | |
174 | #define GET_AVG_PERF_COUNTER(cnt) ((cnt) / AVG_FACTOR) | |
175 | ||
176 | #else | |
177 | ||
178 | #define NUM_PERF_STATS 0 | |
179 | #define INC_PERF_COUNTER(cnt) do {} while (0) | |
180 | #define ADD_PERF_COUNTER(cnt, add) do {} while (0) | |
181 | #define AVG_PERF_COUNTER(cnt, sample) do {} while (0) | |
182 | #define GET_PERF_COUNTER(cnt) (0) | |
183 | #define GET_AVG_PERF_COUNTER(cnt) (0) | |
184 | #endif /* MLX4_EN_PERF_STAT */ | |
185 | ||
186 | /* | |
187 | * Configurables | |
188 | */ | |
189 | ||
190 | enum cq_type { | |
191 | RX = 0, | |
192 | TX = 1, | |
193 | }; | |
194 | ||
195 | ||
196 | /* | |
197 | * Useful macros | |
198 | */ | |
199 | #define ROUNDUP_LOG2(x) ilog2(roundup_pow_of_two(x)) | |
200 | #define XNOR(x, y) (!(x) == !(y)) | |
c27a02cd YP |
201 | |
202 | ||
203 | struct mlx4_en_tx_info { | |
204 | struct sk_buff *skb; | |
205 | u32 nr_txbb; | |
5b263f53 | 206 | u32 nr_bytes; |
c27a02cd YP |
207 | u8 linear; |
208 | u8 data_offset; | |
41efea5a | 209 | u8 inl; |
c27a02cd YP |
210 | }; |
211 | ||
212 | ||
213 | #define MLX4_EN_BIT_DESC_OWN 0x80000000 | |
214 | #define CTRL_SIZE sizeof(struct mlx4_wqe_ctrl_seg) | |
215 | #define MLX4_EN_MEMTYPE_PAD 0x100 | |
216 | #define DS_SIZE sizeof(struct mlx4_wqe_data_seg) | |
217 | ||
218 | ||
219 | struct mlx4_en_tx_desc { | |
220 | struct mlx4_wqe_ctrl_seg ctrl; | |
221 | union { | |
222 | struct mlx4_wqe_data_seg data; /* at least one data segment */ | |
223 | struct mlx4_wqe_lso_seg lso; | |
224 | struct mlx4_wqe_inline_seg inl; | |
225 | }; | |
226 | }; | |
227 | ||
228 | #define MLX4_EN_USE_SRQ 0x01000000 | |
229 | ||
725c8999 YP |
230 | #define MLX4_EN_CX3_LOW_ID 0x1000 |
231 | #define MLX4_EN_CX3_HIGH_ID 0x1005 | |
232 | ||
c27a02cd YP |
233 | struct mlx4_en_rx_alloc { |
234 | struct page *page; | |
4cce66cd | 235 | dma_addr_t dma; |
c27a02cd YP |
236 | u16 offset; |
237 | }; | |
238 | ||
239 | struct mlx4_en_tx_ring { | |
240 | struct mlx4_hwq_resources wqres; | |
241 | u32 size ; /* number of TXBBs */ | |
242 | u32 size_mask; | |
243 | u16 stride; | |
244 | u16 cqn; /* index of port CQ associated with this ring */ | |
245 | u32 prod; | |
246 | u32 cons; | |
247 | u32 buf_size; | |
248 | u32 doorbell_qpn; | |
249 | void *buf; | |
250 | u16 poll_cnt; | |
c27a02cd YP |
251 | struct mlx4_en_tx_info *tx_info; |
252 | u8 *bounce_buf; | |
253 | u32 last_nr_txbb; | |
254 | struct mlx4_qp qp; | |
255 | struct mlx4_qp_context context; | |
256 | int qpn; | |
257 | enum mlx4_qp_state qp_state; | |
258 | struct mlx4_srq dummy; | |
259 | unsigned long bytes; | |
260 | unsigned long packets; | |
ad04378c | 261 | unsigned long tx_csum; |
87a5c389 YP |
262 | struct mlx4_bf bf; |
263 | bool bf_enabled; | |
5b263f53 | 264 | struct netdev_queue *tx_queue; |
c27a02cd YP |
265 | }; |
266 | ||
267 | struct mlx4_en_rx_desc { | |
c27a02cd YP |
268 | /* actual number of entries depends on rx ring stride */ |
269 | struct mlx4_wqe_data_seg data[0]; | |
270 | }; | |
271 | ||
272 | struct mlx4_en_rx_ring { | |
c27a02cd YP |
273 | struct mlx4_hwq_resources wqres; |
274 | struct mlx4_en_rx_alloc page_alloc[MLX4_EN_MAX_RX_FRAGS]; | |
c27a02cd YP |
275 | u32 size ; /* number of Rx descs*/ |
276 | u32 actual_size; | |
277 | u32 size_mask; | |
278 | u16 stride; | |
279 | u16 log_stride; | |
280 | u16 cqn; /* index of port CQ associated with this ring */ | |
281 | u32 prod; | |
282 | u32 cons; | |
283 | u32 buf_size; | |
4a5f4dd8 | 284 | u8 fcs_del; |
c27a02cd YP |
285 | void *buf; |
286 | void *rx_info; | |
287 | unsigned long bytes; | |
288 | unsigned long packets; | |
ad04378c YP |
289 | unsigned long csum_ok; |
290 | unsigned long csum_none; | |
c27a02cd YP |
291 | }; |
292 | ||
c27a02cd YP |
293 | struct mlx4_en_cq { |
294 | struct mlx4_cq mcq; | |
295 | struct mlx4_hwq_resources wqres; | |
296 | int ring; | |
297 | spinlock_t lock; | |
298 | struct net_device *dev; | |
299 | struct napi_struct napi; | |
c27a02cd YP |
300 | int size; |
301 | int buf_size; | |
302 | unsigned vector; | |
303 | enum cq_type is_tx; | |
304 | u16 moder_time; | |
305 | u16 moder_cnt; | |
c27a02cd YP |
306 | struct mlx4_cqe *buf; |
307 | #define MLX4_EN_OPCODE_ERROR 0x1e | |
308 | }; | |
309 | ||
310 | struct mlx4_en_port_profile { | |
311 | u32 flags; | |
312 | u32 tx_ring_num; | |
313 | u32 rx_ring_num; | |
314 | u32 tx_ring_size; | |
315 | u32 rx_ring_size; | |
d53b93f2 YP |
316 | u8 rx_pause; |
317 | u8 rx_ppp; | |
318 | u8 tx_pause; | |
319 | u8 tx_ppp; | |
93d3e367 | 320 | int rss_rings; |
c27a02cd YP |
321 | }; |
322 | ||
323 | struct mlx4_en_profile { | |
324 | int rss_xor; | |
0533943c | 325 | int udp_rss; |
c27a02cd YP |
326 | u8 rss_mask; |
327 | u32 active_ports; | |
328 | u32 small_pkt_int; | |
c27a02cd | 329 | u8 no_reset; |
bc6a4744 | 330 | u8 num_tx_rings_p_up; |
c27a02cd YP |
331 | struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1]; |
332 | }; | |
333 | ||
334 | struct mlx4_en_dev { | |
335 | struct mlx4_dev *dev; | |
336 | struct pci_dev *pdev; | |
337 | struct mutex state_lock; | |
338 | struct net_device *pndev[MLX4_MAX_PORTS + 1]; | |
339 | u32 port_cnt; | |
340 | bool device_up; | |
341 | struct mlx4_en_profile profile; | |
342 | u32 LSO_support; | |
343 | struct workqueue_struct *workqueue; | |
344 | struct device *dma_device; | |
345 | void __iomem *uar_map; | |
346 | struct mlx4_uar priv_uar; | |
347 | struct mlx4_mr mr; | |
348 | u32 priv_pdn; | |
349 | spinlock_t uar_lock; | |
d7e1a487 | 350 | u8 mac_removed[MLX4_MAX_PORTS + 1]; |
c27a02cd YP |
351 | }; |
352 | ||
353 | ||
354 | struct mlx4_en_rss_map { | |
c27a02cd | 355 | int base_qpn; |
b6b912e0 YP |
356 | struct mlx4_qp qps[MAX_RX_RINGS]; |
357 | enum mlx4_qp_state state[MAX_RX_RINGS]; | |
c27a02cd YP |
358 | struct mlx4_qp indir_qp; |
359 | enum mlx4_qp_state indir_state; | |
360 | }; | |
361 | ||
e7c1c2c4 YP |
362 | struct mlx4_en_port_state { |
363 | int link_state; | |
364 | int link_speed; | |
365 | int transciver; | |
366 | }; | |
367 | ||
c27a02cd YP |
368 | struct mlx4_en_pkt_stats { |
369 | unsigned long broadcast; | |
370 | unsigned long rx_prio[8]; | |
371 | unsigned long tx_prio[8]; | |
372 | #define NUM_PKT_STATS 17 | |
373 | }; | |
374 | ||
375 | struct mlx4_en_port_stats { | |
c27a02cd YP |
376 | unsigned long tso_packets; |
377 | unsigned long queue_stopped; | |
378 | unsigned long wake_queue; | |
379 | unsigned long tx_timeout; | |
380 | unsigned long rx_alloc_failed; | |
381 | unsigned long rx_chksum_good; | |
382 | unsigned long rx_chksum_none; | |
383 | unsigned long tx_chksum_offload; | |
d61702f1 | 384 | #define NUM_PORT_STATS 8 |
c27a02cd YP |
385 | }; |
386 | ||
387 | struct mlx4_en_perf_stats { | |
388 | u32 tx_poll; | |
389 | u64 tx_pktsz_avg; | |
390 | u32 inflight_avg; | |
391 | u16 tx_coal_avg; | |
392 | u16 rx_coal_avg; | |
393 | u32 napi_quota; | |
394 | #define NUM_PERF_COUNTERS 6 | |
395 | }; | |
396 | ||
6d199937 YP |
397 | enum mlx4_en_mclist_act { |
398 | MCLIST_NONE, | |
399 | MCLIST_REM, | |
400 | MCLIST_ADD, | |
401 | }; | |
402 | ||
403 | struct mlx4_en_mc_list { | |
404 | struct list_head list; | |
405 | enum mlx4_en_mclist_act action; | |
406 | u8 addr[ETH_ALEN]; | |
0ff1fb65 | 407 | u64 reg_id; |
6d199937 YP |
408 | }; |
409 | ||
c27a02cd YP |
410 | struct mlx4_en_frag_info { |
411 | u16 frag_size; | |
412 | u16 frag_prefix_size; | |
413 | u16 frag_stride; | |
414 | u16 frag_align; | |
415 | u16 last_offset; | |
416 | ||
417 | }; | |
418 | ||
564c274c AV |
419 | #ifdef CONFIG_MLX4_EN_DCB |
420 | /* Minimal TC BW - setting to 0 will block traffic */ | |
421 | #define MLX4_EN_BW_MIN 1 | |
422 | #define MLX4_EN_BW_MAX 100 /* Utilize 100% of the line */ | |
423 | ||
424 | #define MLX4_EN_TC_ETS 7 | |
425 | ||
426 | #endif | |
427 | ||
82067281 | 428 | struct ethtool_flow_id { |
0d256c0e | 429 | struct list_head list; |
82067281 HHZ |
430 | struct ethtool_rx_flow_spec flow_spec; |
431 | u64 id; | |
432 | }; | |
433 | ||
79aeaccd YB |
434 | enum { |
435 | MLX4_EN_FLAG_PROMISC = (1 << 0), | |
436 | MLX4_EN_FLAG_MC_PROMISC = (1 << 1), | |
437 | /* whether we need to enable hardware loopback by putting dmac | |
438 | * in Tx WQE | |
439 | */ | |
440 | MLX4_EN_FLAG_ENABLE_HW_LOOPBACK = (1 << 2), | |
441 | /* whether we need to drop packets that hardware loopback-ed */ | |
cc5387f7 YB |
442 | MLX4_EN_FLAG_RX_FILTER_NEEDED = (1 << 3), |
443 | MLX4_EN_FLAG_FORCE_PROMISC = (1 << 4) | |
79aeaccd YB |
444 | }; |
445 | ||
c07cb4b0 YB |
446 | #define MLX4_EN_MAC_HASH_SIZE (1 << BITS_PER_BYTE) |
447 | #define MLX4_EN_MAC_HASH_IDX 5 | |
448 | ||
c27a02cd YP |
449 | struct mlx4_en_priv { |
450 | struct mlx4_en_dev *mdev; | |
451 | struct mlx4_en_port_profile *prof; | |
452 | struct net_device *dev; | |
f1b553fb | 453 | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
c27a02cd YP |
454 | struct net_device_stats stats; |
455 | struct net_device_stats ret_stats; | |
e7c1c2c4 | 456 | struct mlx4_en_port_state port_state; |
c27a02cd | 457 | spinlock_t stats_lock; |
82067281 | 458 | struct ethtool_flow_id ethtool_rules[MAX_NUM_OF_FS_RULES]; |
0d256c0e HHZ |
459 | /* To allow rules removal while port is going down */ |
460 | struct list_head ethtool_list; | |
c27a02cd | 461 | |
6b4d8d9f | 462 | unsigned long last_moder_packets[MAX_RX_RINGS]; |
c27a02cd | 463 | unsigned long last_moder_tx_packets; |
6b4d8d9f | 464 | unsigned long last_moder_bytes[MAX_RX_RINGS]; |
c27a02cd | 465 | unsigned long last_moder_jiffies; |
6b4d8d9f | 466 | int last_moder_time[MAX_RX_RINGS]; |
c27a02cd YP |
467 | u16 rx_usecs; |
468 | u16 rx_frames; | |
469 | u16 tx_usecs; | |
470 | u16 tx_frames; | |
471 | u32 pkt_rate_low; | |
472 | u16 rx_usecs_low; | |
473 | u32 pkt_rate_high; | |
474 | u16 rx_usecs_high; | |
475 | u16 sample_interval; | |
476 | u16 adaptive_rx_coal; | |
477 | u32 msg_enable; | |
e7c1c2c4 YP |
478 | u32 loopback_ok; |
479 | u32 validate_loopback; | |
c27a02cd YP |
480 | |
481 | struct mlx4_hwq_resources res; | |
482 | int link_state; | |
483 | int last_link_state; | |
484 | bool port_up; | |
485 | int port; | |
486 | int registered; | |
487 | int allocated; | |
488 | int stride; | |
6bbb6d99 | 489 | unsigned char prev_mac[ETH_ALEN + 2]; |
c27a02cd YP |
490 | int mac_index; |
491 | unsigned max_mtu; | |
492 | int base_qpn; | |
08ff3235 | 493 | int cqe_factor; |
c27a02cd YP |
494 | |
495 | struct mlx4_en_rss_map rss_map; | |
4ef2a435 | 496 | __be32 ctrl_flags; |
c27a02cd | 497 | u32 flags; |
d317966b | 498 | u8 num_tx_rings_p_up; |
c27a02cd YP |
499 | u32 tx_ring_num; |
500 | u32 rx_ring_num; | |
501 | u32 rx_skb_size; | |
502 | struct mlx4_en_frag_info frag_info[MLX4_EN_MAX_RX_FRAGS]; | |
503 | u16 num_frags; | |
504 | u16 log_rx_info; | |
505 | ||
bc6a4744 | 506 | struct mlx4_en_tx_ring *tx_ring; |
c27a02cd | 507 | struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS]; |
bc6a4744 | 508 | struct mlx4_en_cq *tx_cq; |
c27a02cd | 509 | struct mlx4_en_cq rx_cq[MAX_RX_RINGS]; |
cabdc8ee | 510 | struct mlx4_qp drop_qp; |
0eb74fdd | 511 | struct work_struct rx_mode_task; |
c27a02cd YP |
512 | struct work_struct watchdog_task; |
513 | struct work_struct linkstate_task; | |
514 | struct delayed_work stats_task; | |
515 | struct mlx4_en_perf_stats pstats; | |
516 | struct mlx4_en_pkt_stats pkstats; | |
517 | struct mlx4_en_port_stats port_stats; | |
93ece0c1 | 518 | u64 stats_bitmap; |
6d199937 YP |
519 | struct list_head mc_list; |
520 | struct list_head curr_list; | |
0ff1fb65 | 521 | u64 broadcast_id; |
c27a02cd | 522 | struct mlx4_en_stat_out_mbox hw_stats; |
4c3eb3ca | 523 | int vids[128]; |
14c07b13 | 524 | bool wol; |
ebf8c9aa | 525 | struct device *ddev; |
044ca2a5 | 526 | int base_tx_qpn; |
c07cb4b0 | 527 | struct hlist_head mac_hash[MLX4_EN_MAC_HASH_SIZE]; |
564c274c AV |
528 | |
529 | #ifdef CONFIG_MLX4_EN_DCB | |
530 | struct ieee_ets ets; | |
109d2446 | 531 | u16 maxrate[IEEE_8021QAZ_MAX_TCS]; |
564c274c | 532 | #endif |
1eb8c695 AV |
533 | #ifdef CONFIG_RFS_ACCEL |
534 | spinlock_t filters_lock; | |
535 | int last_filter_id; | |
536 | struct list_head filters; | |
537 | struct hlist_head filter_hash[1 << MLX4_EN_FILTER_HASH_SHIFT]; | |
538 | #endif | |
539 | ||
14c07b13 YP |
540 | }; |
541 | ||
542 | enum mlx4_en_wol { | |
543 | MLX4_EN_WOL_MAGIC = (1ULL << 61), | |
544 | MLX4_EN_WOL_ENABLED = (1ULL << 62), | |
c27a02cd YP |
545 | }; |
546 | ||
16a10ffd | 547 | struct mlx4_mac_entry { |
c07cb4b0 | 548 | struct hlist_node hlist; |
16a10ffd YB |
549 | unsigned char mac[ETH_ALEN + 2]; |
550 | u64 reg_id; | |
c07cb4b0 | 551 | struct rcu_head rcu; |
16a10ffd YB |
552 | }; |
553 | ||
0d9fdaa9 | 554 | #define MLX4_EN_WOL_DO_MODIFY (1ULL << 63) |
c27a02cd | 555 | |
79aeaccd YB |
556 | void mlx4_en_update_loopback_state(struct net_device *dev, |
557 | netdev_features_t features); | |
558 | ||
c27a02cd YP |
559 | void mlx4_en_destroy_netdev(struct net_device *dev); |
560 | int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, | |
561 | struct mlx4_en_port_profile *prof); | |
562 | ||
18cc42a3 | 563 | int mlx4_en_start_port(struct net_device *dev); |
3484aac1 | 564 | void mlx4_en_stop_port(struct net_device *dev, int detach); |
18cc42a3 | 565 | |
fe0af03c | 566 | void mlx4_en_free_resources(struct mlx4_en_priv *priv); |
18cc42a3 YP |
567 | int mlx4_en_alloc_resources(struct mlx4_en_priv *priv); |
568 | ||
c27a02cd YP |
569 | int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, |
570 | int entries, int ring, enum cq_type mode); | |
fe0af03c | 571 | void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); |
76532d0c AG |
572 | int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, |
573 | int cq_idx); | |
c27a02cd YP |
574 | void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); |
575 | int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); | |
576 | int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); | |
577 | ||
c27a02cd | 578 | void mlx4_en_tx_irq(struct mlx4_cq *mcq); |
f813cad8 | 579 | u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb); |
61357325 | 580 | netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev); |
c27a02cd YP |
581 | |
582 | int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring, | |
87a5c389 | 583 | int qpn, u32 size, u16 stride); |
c27a02cd YP |
584 | void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring); |
585 | int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv, | |
586 | struct mlx4_en_tx_ring *ring, | |
0e98b523 | 587 | int cq, int user_prio); |
c27a02cd YP |
588 | void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv, |
589 | struct mlx4_en_tx_ring *ring); | |
590 | ||
591 | int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv, | |
592 | struct mlx4_en_rx_ring *ring, | |
593 | u32 size, u16 stride); | |
594 | void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv, | |
68355f71 TLSC |
595 | struct mlx4_en_rx_ring *ring, |
596 | u32 size, u16 stride); | |
c27a02cd YP |
597 | int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv); |
598 | void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv, | |
599 | struct mlx4_en_rx_ring *ring); | |
600 | int mlx4_en_process_rx_cq(struct net_device *dev, | |
601 | struct mlx4_en_cq *cq, | |
602 | int budget); | |
603 | int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget); | |
604 | void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, | |
0e98b523 AV |
605 | int is_tx, int rss, int qpn, int cqn, int user_prio, |
606 | struct mlx4_qp_context *context); | |
966508f7 | 607 | void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event); |
c27a02cd YP |
608 | int mlx4_en_map_buffer(struct mlx4_buf *buf); |
609 | void mlx4_en_unmap_buffer(struct mlx4_buf *buf); | |
610 | ||
611 | void mlx4_en_calc_rx_buf(struct net_device *dev); | |
c27a02cd YP |
612 | int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv); |
613 | void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv); | |
cabdc8ee HHZ |
614 | int mlx4_en_create_drop_qp(struct mlx4_en_priv *priv); |
615 | void mlx4_en_destroy_drop_qp(struct mlx4_en_priv *priv); | |
c27a02cd | 616 | int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring); |
c27a02cd YP |
617 | void mlx4_en_rx_irq(struct mlx4_cq *mcq); |
618 | ||
619 | int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode); | |
f1b553fb | 620 | int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv); |
c27a02cd YP |
621 | |
622 | int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset); | |
e7c1c2c4 YP |
623 | int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port); |
624 | ||
564c274c AV |
625 | #ifdef CONFIG_MLX4_EN_DCB |
626 | extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_ops; | |
627 | #endif | |
628 | ||
d317966b AV |
629 | int mlx4_en_setup_tc(struct net_device *dev, u8 up); |
630 | ||
1eb8c695 AV |
631 | #ifdef CONFIG_RFS_ACCEL |
632 | void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv, | |
633 | struct mlx4_en_rx_ring *rx_ring); | |
634 | #endif | |
635 | ||
e7c1c2c4 YP |
636 | #define MLX4_EN_NUM_SELF_TEST 5 |
637 | void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf); | |
638 | u64 mlx4_en_mac_to_u64(u8 *addr); | |
c27a02cd YP |
639 | |
640 | /* | |
641 | * Globals | |
642 | */ | |
643 | extern const struct ethtool_ops mlx4_en_ethtool_ops; | |
0a645e80 JP |
644 | |
645 | ||
646 | ||
647 | /* | |
648 | * printk / logging functions | |
649 | */ | |
650 | ||
b9075fa9 | 651 | __printf(3, 4) |
0a645e80 | 652 | int en_print(const char *level, const struct mlx4_en_priv *priv, |
b9075fa9 | 653 | const char *format, ...); |
0a645e80 JP |
654 | |
655 | #define en_dbg(mlevel, priv, format, arg...) \ | |
656 | do { \ | |
657 | if (NETIF_MSG_##mlevel & priv->msg_enable) \ | |
658 | en_print(KERN_DEBUG, priv, format, ##arg); \ | |
659 | } while (0) | |
660 | #define en_warn(priv, format, arg...) \ | |
661 | en_print(KERN_WARNING, priv, format, ##arg) | |
662 | #define en_err(priv, format, arg...) \ | |
663 | en_print(KERN_ERR, priv, format, ##arg) | |
e5cc44b2 YP |
664 | #define en_info(priv, format, arg...) \ |
665 | en_print(KERN_INFO, priv, format, ## arg) | |
0a645e80 JP |
666 | |
667 | #define mlx4_err(mdev, format, arg...) \ | |
668 | pr_err("%s %s: " format, DRV_NAME, \ | |
669 | dev_name(&mdev->pdev->dev), ##arg) | |
670 | #define mlx4_info(mdev, format, arg...) \ | |
671 | pr_info("%s %s: " format, DRV_NAME, \ | |
672 | dev_name(&mdev->pdev->dev), ##arg) | |
673 | #define mlx4_warn(mdev, format, arg...) \ | |
674 | pr_warning("%s %s: " format, DRV_NAME, \ | |
675 | dev_name(&mdev->pdev->dev), ##arg) | |
676 | ||
c27a02cd | 677 | #endif |