Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 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 | |
Jiri Pirko | f1b553f | 2011-07-20 04:54:22 +0000 | [diff] [blame] | 37 | #include <linux/bitops.h> |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 38 | #include <linux/compiler.h> |
| 39 | #include <linux/list.h> |
| 40 | #include <linux/mutex.h> |
| 41 | #include <linux/netdevice.h> |
Jiri Pirko | f1b553f | 2011-07-20 04:54:22 +0000 | [diff] [blame] | 42 | #include <linux/if_vlan.h> |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 43 | |
| 44 | #include <linux/mlx4/device.h> |
| 45 | #include <linux/mlx4/qp.h> |
| 46 | #include <linux/mlx4/cq.h> |
| 47 | #include <linux/mlx4/srq.h> |
| 48 | #include <linux/mlx4/doorbell.h> |
Yevgeny Petrilin | e7c1c2c4 | 2010-08-24 03:46:18 +0000 | [diff] [blame] | 49 | #include <linux/mlx4/cmd.h> |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 50 | |
| 51 | #include "en_port.h" |
| 52 | |
| 53 | #define DRV_NAME "mlx4_en" |
Yevgeny Petrilin | 6edf91d | 2011-12-13 04:19:34 +0000 | [diff] [blame] | 54 | #define DRV_VERSION "2.0" |
| 55 | #define DRV_RELDATE "Dec 2011" |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 56 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 57 | #define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN) |
| 58 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 59 | /* |
| 60 | * Device constants |
| 61 | */ |
| 62 | |
| 63 | |
| 64 | #define MLX4_EN_PAGE_SHIFT 12 |
| 65 | #define MLX4_EN_PAGE_SIZE (1 << MLX4_EN_PAGE_SHIFT) |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 66 | #define MAX_RX_RINGS 16 |
Yevgeny Petrilin | 1fb9876 | 2011-03-22 22:37:52 +0000 | [diff] [blame] | 67 | #define MIN_RX_RINGS 4 |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 68 | #define TXBB_SIZE 64 |
| 69 | #define HEADROOM (2048 / TXBB_SIZE + 1) |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 70 | #define STAMP_STRIDE 64 |
| 71 | #define STAMP_DWORDS (STAMP_STRIDE / 4) |
| 72 | #define STAMP_SHIFT 31 |
| 73 | #define STAMP_VAL 0x7fffffff |
| 74 | #define STATS_DELAY (HZ / 4) |
| 75 | |
| 76 | /* Typical TSO descriptor with 16 gather entries is 352 bytes... */ |
| 77 | #define MAX_DESC_SIZE 512 |
| 78 | #define MAX_DESC_TXBBS (MAX_DESC_SIZE / TXBB_SIZE) |
| 79 | |
| 80 | /* |
| 81 | * OS related constants and tunables |
| 82 | */ |
| 83 | |
| 84 | #define MLX4_EN_WATCHDOG_TIMEOUT (15 * HZ) |
| 85 | |
| 86 | #define MLX4_EN_ALLOC_ORDER 2 |
| 87 | #define MLX4_EN_ALLOC_SIZE (PAGE_SIZE << MLX4_EN_ALLOC_ORDER) |
| 88 | |
| 89 | #define MLX4_EN_MAX_LRO_DESCRIPTORS 32 |
| 90 | |
| 91 | /* Receive fragment sizes; we use at most 4 fragments (for 9600 byte MTU |
| 92 | * and 4K allocations) */ |
| 93 | enum { |
| 94 | FRAG_SZ0 = 512 - NET_IP_ALIGN, |
| 95 | FRAG_SZ1 = 1024, |
| 96 | FRAG_SZ2 = 4096, |
| 97 | FRAG_SZ3 = MLX4_EN_ALLOC_SIZE |
| 98 | }; |
| 99 | #define MLX4_EN_MAX_RX_FRAGS 4 |
| 100 | |
Yevgeny Petrilin | bd531e3 | 2009-01-08 10:57:37 -0800 | [diff] [blame] | 101 | /* Maximum ring sizes */ |
| 102 | #define MLX4_EN_MAX_TX_SIZE 8192 |
| 103 | #define MLX4_EN_MAX_RX_SIZE 8192 |
| 104 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 105 | /* Minimum ring size for our page-allocation sceme to work */ |
| 106 | #define MLX4_EN_MIN_RX_SIZE (MLX4_EN_ALLOC_SIZE / SMP_CACHE_BYTES) |
| 107 | #define MLX4_EN_MIN_TX_SIZE (4096 / TXBB_SIZE) |
| 108 | |
Yevgeny Petrilin | f813cad | 2009-06-01 23:24:07 +0000 | [diff] [blame] | 109 | #define MLX4_EN_SMALL_PKT_SIZE 64 |
| 110 | #define MLX4_EN_NUM_TX_RINGS 8 |
| 111 | #define MLX4_EN_NUM_PPP_RINGS 8 |
Yevgeny Petrilin | a0b4e6e | 2010-08-24 03:45:54 +0000 | [diff] [blame] | 112 | #define MAX_TX_RINGS (MLX4_EN_NUM_TX_RINGS + MLX4_EN_NUM_PPP_RINGS) |
Yevgeny Petrilin | f813cad | 2009-06-01 23:24:07 +0000 | [diff] [blame] | 113 | #define MLX4_EN_DEF_TX_RING_SIZE 512 |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 114 | #define MLX4_EN_DEF_RX_RING_SIZE 1024 |
| 115 | |
Yevgeny Petrilin | 3db36fb | 2009-06-01 23:23:13 +0000 | [diff] [blame] | 116 | /* Target number of packets to coalesce with interrupt moderation */ |
| 117 | #define MLX4_EN_RX_COAL_TARGET 44 |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 118 | #define MLX4_EN_RX_COAL_TIME 0x10 |
| 119 | |
| 120 | #define MLX4_EN_TX_COAL_PKTS 5 |
| 121 | #define MLX4_EN_TX_COAL_TIME 0x80 |
| 122 | |
| 123 | #define MLX4_EN_RX_RATE_LOW 400000 |
| 124 | #define MLX4_EN_RX_COAL_TIME_LOW 0 |
| 125 | #define MLX4_EN_RX_RATE_HIGH 450000 |
| 126 | #define MLX4_EN_RX_COAL_TIME_HIGH 128 |
| 127 | #define MLX4_EN_RX_SIZE_THRESH 1024 |
| 128 | #define MLX4_EN_RX_RATE_THRESH (1000000 / MLX4_EN_RX_COAL_TIME_HIGH) |
| 129 | #define MLX4_EN_SAMPLE_INTERVAL 0 |
Yevgeny Petrilin | 46afd0f | 2011-03-22 22:37:36 +0000 | [diff] [blame] | 130 | #define MLX4_EN_AVG_PKT_SMALL 256 |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 131 | |
| 132 | #define MLX4_EN_AUTO_CONF 0xffff |
| 133 | |
| 134 | #define MLX4_EN_DEF_RX_PAUSE 1 |
| 135 | #define MLX4_EN_DEF_TX_PAUSE 1 |
| 136 | |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 137 | /* Interval between successive polls in the Tx routine when polling is used |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 138 | instead of interrupts (in per-core Tx rings) - should be power of 2 */ |
| 139 | #define MLX4_EN_TX_POLL_MODER 16 |
| 140 | #define MLX4_EN_TX_POLL_TIMEOUT (HZ / 4) |
| 141 | |
| 142 | #define ETH_LLC_SNAP_SIZE 8 |
| 143 | |
| 144 | #define SMALL_PACKET_SIZE (256 - NET_IP_ALIGN) |
| 145 | #define HEADER_COPY_SIZE (128 - NET_IP_ALIGN) |
Yevgeny Petrilin | e7c1c2c4 | 2010-08-24 03:46:18 +0000 | [diff] [blame] | 146 | #define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN) |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 147 | |
| 148 | #define MLX4_EN_MIN_MTU 46 |
| 149 | #define ETH_BCAST 0xffffffffffffULL |
| 150 | |
Yevgeny Petrilin | e7c1c2c4 | 2010-08-24 03:46:18 +0000 | [diff] [blame] | 151 | #define MLX4_EN_LOOPBACK_RETRIES 5 |
| 152 | #define MLX4_EN_LOOPBACK_TIMEOUT 100 |
| 153 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 154 | #ifdef MLX4_EN_PERF_STAT |
| 155 | /* Number of samples to 'average' */ |
| 156 | #define AVG_SIZE 128 |
| 157 | #define AVG_FACTOR 1024 |
| 158 | #define NUM_PERF_STATS NUM_PERF_COUNTERS |
| 159 | |
| 160 | #define INC_PERF_COUNTER(cnt) (++(cnt)) |
| 161 | #define ADD_PERF_COUNTER(cnt, add) ((cnt) += (add)) |
| 162 | #define AVG_PERF_COUNTER(cnt, sample) \ |
| 163 | ((cnt) = ((cnt) * (AVG_SIZE - 1) + (sample) * AVG_FACTOR) / AVG_SIZE) |
| 164 | #define GET_PERF_COUNTER(cnt) (cnt) |
| 165 | #define GET_AVG_PERF_COUNTER(cnt) ((cnt) / AVG_FACTOR) |
| 166 | |
| 167 | #else |
| 168 | |
| 169 | #define NUM_PERF_STATS 0 |
| 170 | #define INC_PERF_COUNTER(cnt) do {} while (0) |
| 171 | #define ADD_PERF_COUNTER(cnt, add) do {} while (0) |
| 172 | #define AVG_PERF_COUNTER(cnt, sample) do {} while (0) |
| 173 | #define GET_PERF_COUNTER(cnt) (0) |
| 174 | #define GET_AVG_PERF_COUNTER(cnt) (0) |
| 175 | #endif /* MLX4_EN_PERF_STAT */ |
| 176 | |
| 177 | /* |
| 178 | * Configurables |
| 179 | */ |
| 180 | |
| 181 | enum cq_type { |
| 182 | RX = 0, |
| 183 | TX = 1, |
| 184 | }; |
| 185 | |
| 186 | |
| 187 | /* |
| 188 | * Useful macros |
| 189 | */ |
| 190 | #define ROUNDUP_LOG2(x) ilog2(roundup_pow_of_two(x)) |
| 191 | #define XNOR(x, y) (!(x) == !(y)) |
| 192 | #define ILLEGAL_MAC(addr) (addr == 0xffffffffffffULL || addr == 0x0) |
| 193 | |
| 194 | |
| 195 | struct mlx4_en_tx_info { |
| 196 | struct sk_buff *skb; |
| 197 | u32 nr_txbb; |
| 198 | u8 linear; |
| 199 | u8 data_offset; |
Yevgeny Petrilin | 41efea5 | 2009-01-08 10:57:15 -0800 | [diff] [blame] | 200 | u8 inl; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 201 | }; |
| 202 | |
| 203 | |
| 204 | #define MLX4_EN_BIT_DESC_OWN 0x80000000 |
| 205 | #define CTRL_SIZE sizeof(struct mlx4_wqe_ctrl_seg) |
| 206 | #define MLX4_EN_MEMTYPE_PAD 0x100 |
| 207 | #define DS_SIZE sizeof(struct mlx4_wqe_data_seg) |
| 208 | |
| 209 | |
| 210 | struct mlx4_en_tx_desc { |
| 211 | struct mlx4_wqe_ctrl_seg ctrl; |
| 212 | union { |
| 213 | struct mlx4_wqe_data_seg data; /* at least one data segment */ |
| 214 | struct mlx4_wqe_lso_seg lso; |
| 215 | struct mlx4_wqe_inline_seg inl; |
| 216 | }; |
| 217 | }; |
| 218 | |
| 219 | #define MLX4_EN_USE_SRQ 0x01000000 |
| 220 | |
Yevgeny Petrilin | 725c899 | 2011-03-22 22:38:07 +0000 | [diff] [blame] | 221 | #define MLX4_EN_CX3_LOW_ID 0x1000 |
| 222 | #define MLX4_EN_CX3_HIGH_ID 0x1005 |
| 223 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 224 | struct mlx4_en_rx_alloc { |
| 225 | struct page *page; |
| 226 | u16 offset; |
| 227 | }; |
| 228 | |
| 229 | struct mlx4_en_tx_ring { |
| 230 | struct mlx4_hwq_resources wqres; |
| 231 | u32 size ; /* number of TXBBs */ |
| 232 | u32 size_mask; |
| 233 | u16 stride; |
| 234 | u16 cqn; /* index of port CQ associated with this ring */ |
| 235 | u32 prod; |
| 236 | u32 cons; |
| 237 | u32 buf_size; |
| 238 | u32 doorbell_qpn; |
| 239 | void *buf; |
| 240 | u16 poll_cnt; |
| 241 | int blocked; |
| 242 | struct mlx4_en_tx_info *tx_info; |
| 243 | u8 *bounce_buf; |
| 244 | u32 last_nr_txbb; |
| 245 | struct mlx4_qp qp; |
| 246 | struct mlx4_qp_context context; |
| 247 | int qpn; |
| 248 | enum mlx4_qp_state qp_state; |
| 249 | struct mlx4_srq dummy; |
| 250 | unsigned long bytes; |
| 251 | unsigned long packets; |
Yevgeny Petrilin | ad04378 | 2011-10-18 01:50:56 +0000 | [diff] [blame] | 252 | unsigned long tx_csum; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 253 | spinlock_t comp_lock; |
Yevgeny Petrilin | 87a5c38 | 2011-03-22 22:38:52 +0000 | [diff] [blame] | 254 | struct mlx4_bf bf; |
| 255 | bool bf_enabled; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 256 | }; |
| 257 | |
| 258 | struct mlx4_en_rx_desc { |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 259 | /* actual number of entries depends on rx ring stride */ |
| 260 | struct mlx4_wqe_data_seg data[0]; |
| 261 | }; |
| 262 | |
| 263 | struct mlx4_en_rx_ring { |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 264 | struct mlx4_hwq_resources wqres; |
| 265 | struct mlx4_en_rx_alloc page_alloc[MLX4_EN_MAX_RX_FRAGS]; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 266 | u32 size ; /* number of Rx descs*/ |
| 267 | u32 actual_size; |
| 268 | u32 size_mask; |
| 269 | u16 stride; |
| 270 | u16 log_stride; |
| 271 | u16 cqn; /* index of port CQ associated with this ring */ |
| 272 | u32 prod; |
| 273 | u32 cons; |
| 274 | u32 buf_size; |
Yevgeny Petrilin | 4a5f4dd | 2011-11-14 14:25:36 -0500 | [diff] [blame] | 275 | u8 fcs_del; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 276 | void *buf; |
| 277 | void *rx_info; |
| 278 | unsigned long bytes; |
| 279 | unsigned long packets; |
Yevgeny Petrilin | ad04378 | 2011-10-18 01:50:56 +0000 | [diff] [blame] | 280 | unsigned long csum_ok; |
| 281 | unsigned long csum_none; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 282 | }; |
| 283 | |
| 284 | |
| 285 | static inline int mlx4_en_can_lro(__be16 status) |
| 286 | { |
| 287 | return (status & cpu_to_be16(MLX4_CQE_STATUS_IPV4 | |
| 288 | MLX4_CQE_STATUS_IPV4F | |
| 289 | MLX4_CQE_STATUS_IPV6 | |
| 290 | MLX4_CQE_STATUS_IPV4OPT | |
| 291 | MLX4_CQE_STATUS_TCP | |
| 292 | MLX4_CQE_STATUS_UDP | |
| 293 | MLX4_CQE_STATUS_IPOK)) == |
| 294 | cpu_to_be16(MLX4_CQE_STATUS_IPV4 | |
| 295 | MLX4_CQE_STATUS_IPOK | |
| 296 | MLX4_CQE_STATUS_TCP); |
| 297 | } |
| 298 | |
| 299 | struct mlx4_en_cq { |
| 300 | struct mlx4_cq mcq; |
| 301 | struct mlx4_hwq_resources wqres; |
| 302 | int ring; |
| 303 | spinlock_t lock; |
| 304 | struct net_device *dev; |
| 305 | struct napi_struct napi; |
| 306 | /* Per-core Tx cq processing support */ |
| 307 | struct timer_list timer; |
| 308 | int size; |
| 309 | int buf_size; |
| 310 | unsigned vector; |
| 311 | enum cq_type is_tx; |
| 312 | u16 moder_time; |
| 313 | u16 moder_cnt; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 314 | struct mlx4_cqe *buf; |
| 315 | #define MLX4_EN_OPCODE_ERROR 0x1e |
| 316 | }; |
| 317 | |
| 318 | struct mlx4_en_port_profile { |
| 319 | u32 flags; |
| 320 | u32 tx_ring_num; |
| 321 | u32 rx_ring_num; |
| 322 | u32 tx_ring_size; |
| 323 | u32 rx_ring_size; |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 324 | u8 rx_pause; |
| 325 | u8 rx_ppp; |
| 326 | u8 tx_pause; |
| 327 | u8 tx_ppp; |
Yevgeny Petrilin | 93d3e36 | 2012-01-17 22:54:55 +0000 | [diff] [blame] | 328 | int rss_rings; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 329 | }; |
| 330 | |
| 331 | struct mlx4_en_profile { |
| 332 | int rss_xor; |
Yevgeny Petrilin | 0533943 | 2010-08-24 03:46:42 +0000 | [diff] [blame] | 333 | int udp_rss; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 334 | u8 rss_mask; |
| 335 | u32 active_ports; |
| 336 | u32 small_pkt_int; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 337 | u8 no_reset; |
| 338 | struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1]; |
| 339 | }; |
| 340 | |
| 341 | struct mlx4_en_dev { |
| 342 | struct mlx4_dev *dev; |
| 343 | struct pci_dev *pdev; |
| 344 | struct mutex state_lock; |
| 345 | struct net_device *pndev[MLX4_MAX_PORTS + 1]; |
| 346 | u32 port_cnt; |
| 347 | bool device_up; |
| 348 | struct mlx4_en_profile profile; |
| 349 | u32 LSO_support; |
| 350 | struct workqueue_struct *workqueue; |
| 351 | struct device *dma_device; |
| 352 | void __iomem *uar_map; |
| 353 | struct mlx4_uar priv_uar; |
| 354 | struct mlx4_mr mr; |
| 355 | u32 priv_pdn; |
| 356 | spinlock_t uar_lock; |
Yevgeny Petrilin | d7e1a48 | 2010-08-24 03:46:38 +0000 | [diff] [blame] | 357 | u8 mac_removed[MLX4_MAX_PORTS + 1]; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 358 | }; |
| 359 | |
| 360 | |
| 361 | struct mlx4_en_rss_map { |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 362 | int base_qpn; |
Yevgeny Petrilin | b6b912e | 2009-08-06 19:27:51 -0700 | [diff] [blame] | 363 | struct mlx4_qp qps[MAX_RX_RINGS]; |
| 364 | enum mlx4_qp_state state[MAX_RX_RINGS]; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 365 | struct mlx4_qp indir_qp; |
| 366 | enum mlx4_qp_state indir_state; |
| 367 | }; |
| 368 | |
Yevgeny Petrilin | e7c1c2c4 | 2010-08-24 03:46:18 +0000 | [diff] [blame] | 369 | struct mlx4_en_port_state { |
| 370 | int link_state; |
| 371 | int link_speed; |
| 372 | int transciver; |
| 373 | }; |
| 374 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 375 | struct mlx4_en_pkt_stats { |
| 376 | unsigned long broadcast; |
| 377 | unsigned long rx_prio[8]; |
| 378 | unsigned long tx_prio[8]; |
| 379 | #define NUM_PKT_STATS 17 |
| 380 | }; |
| 381 | |
| 382 | struct mlx4_en_port_stats { |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 383 | unsigned long tso_packets; |
| 384 | unsigned long queue_stopped; |
| 385 | unsigned long wake_queue; |
| 386 | unsigned long tx_timeout; |
| 387 | unsigned long rx_alloc_failed; |
| 388 | unsigned long rx_chksum_good; |
| 389 | unsigned long rx_chksum_none; |
| 390 | unsigned long tx_chksum_offload; |
Yevgeny Petrilin | d61702f | 2010-09-05 22:20:24 +0000 | [diff] [blame] | 391 | #define NUM_PORT_STATS 8 |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 392 | }; |
| 393 | |
| 394 | struct mlx4_en_perf_stats { |
| 395 | u32 tx_poll; |
| 396 | u64 tx_pktsz_avg; |
| 397 | u32 inflight_avg; |
| 398 | u16 tx_coal_avg; |
| 399 | u16 rx_coal_avg; |
| 400 | u32 napi_quota; |
| 401 | #define NUM_PERF_COUNTERS 6 |
| 402 | }; |
| 403 | |
| 404 | struct mlx4_en_frag_info { |
| 405 | u16 frag_size; |
| 406 | u16 frag_prefix_size; |
| 407 | u16 frag_stride; |
| 408 | u16 frag_align; |
| 409 | u16 last_offset; |
| 410 | |
| 411 | }; |
| 412 | |
| 413 | struct mlx4_en_priv { |
| 414 | struct mlx4_en_dev *mdev; |
| 415 | struct mlx4_en_port_profile *prof; |
| 416 | struct net_device *dev; |
Jiri Pirko | f1b553f | 2011-07-20 04:54:22 +0000 | [diff] [blame] | 417 | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 418 | struct net_device_stats stats; |
| 419 | struct net_device_stats ret_stats; |
Yevgeny Petrilin | e7c1c2c4 | 2010-08-24 03:46:18 +0000 | [diff] [blame] | 420 | struct mlx4_en_port_state port_state; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 421 | spinlock_t stats_lock; |
| 422 | |
Alexander Guller | 6b4d8d9 | 2011-10-09 05:38:23 +0000 | [diff] [blame] | 423 | unsigned long last_moder_packets[MAX_RX_RINGS]; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 424 | unsigned long last_moder_tx_packets; |
Alexander Guller | 6b4d8d9 | 2011-10-09 05:38:23 +0000 | [diff] [blame] | 425 | unsigned long last_moder_bytes[MAX_RX_RINGS]; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 426 | unsigned long last_moder_jiffies; |
Alexander Guller | 6b4d8d9 | 2011-10-09 05:38:23 +0000 | [diff] [blame] | 427 | int last_moder_time[MAX_RX_RINGS]; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 428 | u16 rx_usecs; |
| 429 | u16 rx_frames; |
| 430 | u16 tx_usecs; |
| 431 | u16 tx_frames; |
| 432 | u32 pkt_rate_low; |
| 433 | u16 rx_usecs_low; |
| 434 | u32 pkt_rate_high; |
| 435 | u16 rx_usecs_high; |
| 436 | u16 sample_interval; |
| 437 | u16 adaptive_rx_coal; |
| 438 | u32 msg_enable; |
Yevgeny Petrilin | e7c1c2c4 | 2010-08-24 03:46:18 +0000 | [diff] [blame] | 439 | u32 loopback_ok; |
| 440 | u32 validate_loopback; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 441 | |
| 442 | struct mlx4_hwq_resources res; |
| 443 | int link_state; |
| 444 | int last_link_state; |
| 445 | bool port_up; |
| 446 | int port; |
| 447 | int registered; |
| 448 | int allocated; |
| 449 | int stride; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 450 | u64 mac; |
| 451 | int mac_index; |
| 452 | unsigned max_mtu; |
| 453 | int base_qpn; |
| 454 | |
| 455 | struct mlx4_en_rss_map rss_map; |
Or Gerlitz | 4ef2a43 | 2012-03-06 04:03:41 +0000 | [diff] [blame] | 456 | __be32 ctrl_flags; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 457 | u32 flags; |
| 458 | #define MLX4_EN_FLAG_PROMISC 0x1 |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 459 | #define MLX4_EN_FLAG_MC_PROMISC 0x2 |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 460 | u32 tx_ring_num; |
| 461 | u32 rx_ring_num; |
| 462 | u32 rx_skb_size; |
| 463 | struct mlx4_en_frag_info frag_info[MLX4_EN_MAX_RX_FRAGS]; |
| 464 | u16 num_frags; |
| 465 | u16 log_rx_info; |
| 466 | |
| 467 | struct mlx4_en_tx_ring tx_ring[MAX_TX_RINGS]; |
| 468 | struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS]; |
| 469 | struct mlx4_en_cq tx_cq[MAX_TX_RINGS]; |
| 470 | struct mlx4_en_cq rx_cq[MAX_RX_RINGS]; |
| 471 | struct work_struct mcast_task; |
| 472 | struct work_struct mac_task; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 473 | struct work_struct watchdog_task; |
| 474 | struct work_struct linkstate_task; |
| 475 | struct delayed_work stats_task; |
| 476 | struct mlx4_en_perf_stats pstats; |
| 477 | struct mlx4_en_pkt_stats pkstats; |
| 478 | struct mlx4_en_port_stats port_stats; |
Eugenia Emantayev | 93ece0c | 2012-01-19 09:45:05 +0000 | [diff] [blame] | 479 | u64 stats_bitmap; |
Jiri Pirko | ff6e216 | 2010-03-01 05:09:14 +0000 | [diff] [blame] | 480 | char *mc_addrs; |
| 481 | int mc_addrs_cnt; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 482 | struct mlx4_en_stat_out_mbox hw_stats; |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 483 | int vids[128]; |
Yevgeny Petrilin | 14c07b1 | 2011-03-22 22:37:59 +0000 | [diff] [blame] | 484 | bool wol; |
Yevgeny Petrilin | ebf8c9a | 2012-03-06 04:03:34 +0000 | [diff] [blame] | 485 | struct device *ddev; |
Yevgeny Petrilin | 14c07b1 | 2011-03-22 22:37:59 +0000 | [diff] [blame] | 486 | }; |
| 487 | |
| 488 | enum mlx4_en_wol { |
| 489 | MLX4_EN_WOL_MAGIC = (1ULL << 61), |
| 490 | MLX4_EN_WOL_ENABLED = (1ULL << 62), |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 491 | }; |
| 492 | |
Or Gerlitz | 0d9fdaa | 2011-11-26 19:55:06 +0000 | [diff] [blame] | 493 | #define MLX4_EN_WOL_DO_MODIFY (1ULL << 63) |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 494 | |
| 495 | void mlx4_en_destroy_netdev(struct net_device *dev); |
| 496 | int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, |
| 497 | struct mlx4_en_port_profile *prof); |
| 498 | |
Yevgeny Petrilin | 18cc42a | 2008-12-29 18:39:20 -0800 | [diff] [blame] | 499 | int mlx4_en_start_port(struct net_device *dev); |
| 500 | void mlx4_en_stop_port(struct net_device *dev); |
| 501 | |
Alexander Guller | fe0af03 | 2011-10-09 05:26:46 +0000 | [diff] [blame] | 502 | void mlx4_en_free_resources(struct mlx4_en_priv *priv); |
Yevgeny Petrilin | 18cc42a | 2008-12-29 18:39:20 -0800 | [diff] [blame] | 503 | int mlx4_en_alloc_resources(struct mlx4_en_priv *priv); |
| 504 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 505 | int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, |
| 506 | int entries, int ring, enum cq_type mode); |
Alexander Guller | fe0af03 | 2011-10-09 05:26:46 +0000 | [diff] [blame] | 507 | void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); |
Alexander Guller | 76532d0 | 2011-10-09 05:26:31 +0000 | [diff] [blame] | 508 | int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, |
| 509 | int cq_idx); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 510 | void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); |
| 511 | int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); |
| 512 | int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); |
| 513 | |
| 514 | void mlx4_en_poll_tx_cq(unsigned long data); |
| 515 | void mlx4_en_tx_irq(struct mlx4_cq *mcq); |
Yevgeny Petrilin | f813cad | 2009-06-01 23:24:07 +0000 | [diff] [blame] | 516 | u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb); |
Stephen Hemminger | 61357325 | 2009-08-31 19:50:58 +0000 | [diff] [blame] | 517 | netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 518 | |
| 519 | int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring, |
Yevgeny Petrilin | 87a5c38 | 2011-03-22 22:38:52 +0000 | [diff] [blame] | 520 | int qpn, u32 size, u16 stride); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 521 | void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring); |
| 522 | int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv, |
| 523 | struct mlx4_en_tx_ring *ring, |
Yevgeny Petrilin | 9f519f6 | 2009-08-06 19:28:18 -0700 | [diff] [blame] | 524 | int cq); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 525 | void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv, |
| 526 | struct mlx4_en_tx_ring *ring); |
| 527 | |
| 528 | int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv, |
| 529 | struct mlx4_en_rx_ring *ring, |
| 530 | u32 size, u16 stride); |
| 531 | void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv, |
Thadeu Lima de Souza Cascardo | 68355f7 | 2012-02-06 08:39:49 +0000 | [diff] [blame] | 532 | struct mlx4_en_rx_ring *ring, |
| 533 | u32 size, u16 stride); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 534 | int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv); |
| 535 | void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv, |
| 536 | struct mlx4_en_rx_ring *ring); |
| 537 | int mlx4_en_process_rx_cq(struct net_device *dev, |
| 538 | struct mlx4_en_cq *cq, |
| 539 | int budget); |
| 540 | int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget); |
| 541 | void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, |
Yevgeny Petrilin | 9f519f6 | 2009-08-06 19:28:18 -0700 | [diff] [blame] | 542 | int is_tx, int rss, int qpn, int cqn, |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 543 | struct mlx4_qp_context *context); |
Yevgeny Petrilin | 966508f | 2009-04-20 04:30:03 +0000 | [diff] [blame] | 544 | void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 545 | int mlx4_en_map_buffer(struct mlx4_buf *buf); |
| 546 | void mlx4_en_unmap_buffer(struct mlx4_buf *buf); |
| 547 | |
| 548 | void mlx4_en_calc_rx_buf(struct net_device *dev); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 549 | int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv); |
| 550 | void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv); |
| 551 | int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 552 | void mlx4_en_rx_irq(struct mlx4_cq *mcq); |
| 553 | |
| 554 | int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode); |
Jiri Pirko | f1b553f | 2011-07-20 04:54:22 +0000 | [diff] [blame] | 555 | int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 556 | |
| 557 | int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset); |
Yevgeny Petrilin | e7c1c2c4 | 2010-08-24 03:46:18 +0000 | [diff] [blame] | 558 | int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port); |
| 559 | |
| 560 | #define MLX4_EN_NUM_SELF_TEST 5 |
| 561 | void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf); |
| 562 | u64 mlx4_en_mac_to_u64(u8 *addr); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 563 | |
| 564 | /* |
| 565 | * Globals |
| 566 | */ |
| 567 | extern const struct ethtool_ops mlx4_en_ethtool_ops; |
Joe Perches | 0a645e8 | 2010-07-10 07:22:46 +0000 | [diff] [blame] | 568 | |
| 569 | |
| 570 | |
| 571 | /* |
| 572 | * printk / logging functions |
| 573 | */ |
| 574 | |
Joe Perches | b9075fa | 2011-10-31 17:11:33 -0700 | [diff] [blame] | 575 | __printf(3, 4) |
Joe Perches | 0a645e8 | 2010-07-10 07:22:46 +0000 | [diff] [blame] | 576 | int en_print(const char *level, const struct mlx4_en_priv *priv, |
Joe Perches | b9075fa | 2011-10-31 17:11:33 -0700 | [diff] [blame] | 577 | const char *format, ...); |
Joe Perches | 0a645e8 | 2010-07-10 07:22:46 +0000 | [diff] [blame] | 578 | |
| 579 | #define en_dbg(mlevel, priv, format, arg...) \ |
| 580 | do { \ |
| 581 | if (NETIF_MSG_##mlevel & priv->msg_enable) \ |
| 582 | en_print(KERN_DEBUG, priv, format, ##arg); \ |
| 583 | } while (0) |
| 584 | #define en_warn(priv, format, arg...) \ |
| 585 | en_print(KERN_WARNING, priv, format, ##arg) |
| 586 | #define en_err(priv, format, arg...) \ |
| 587 | en_print(KERN_ERR, priv, format, ##arg) |
Yevgeny Petrilin | e5cc44b | 2010-08-24 03:46:01 +0000 | [diff] [blame] | 588 | #define en_info(priv, format, arg...) \ |
| 589 | en_print(KERN_INFO, priv, format, ## arg) |
Joe Perches | 0a645e8 | 2010-07-10 07:22:46 +0000 | [diff] [blame] | 590 | |
| 591 | #define mlx4_err(mdev, format, arg...) \ |
| 592 | pr_err("%s %s: " format, DRV_NAME, \ |
| 593 | dev_name(&mdev->pdev->dev), ##arg) |
| 594 | #define mlx4_info(mdev, format, arg...) \ |
| 595 | pr_info("%s %s: " format, DRV_NAME, \ |
| 596 | dev_name(&mdev->pdev->dev), ##arg) |
| 597 | #define mlx4_warn(mdev, format, arg...) \ |
| 598 | pr_warning("%s %s: " format, DRV_NAME, \ |
| 599 | dev_name(&mdev->pdev->dev), ##arg) |
| 600 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 601 | #endif |