aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/mlx5/mlx5.h
blob: e6a69b8231bc677b2fe074e97a190de9f5c3fd03 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
/*-
 *   BSD LICENSE
 *
 *   Copyright 2015 6WIND S.A.
 *   Copyright 2015 Mellanox.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of 6WIND S.A. nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef RTE_PMD_MLX5_H_
#define RTE_PMD_MLX5_H_

#include <stddef.h>
#include <stdint.h>
#include <limits.h>
#include <net/if.h>
#include <netinet/in.h>
#include <sys/queue.h>

/* Verbs header. */
/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
#ifdef PEDANTIC
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
#include <infiniband/verbs.h>
#ifdef PEDANTIC
#pragma GCC diagnostic error "-Wpedantic"
#endif

#include <rte_pci.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_spinlock.h>
#include <rte_interrupts.h>
#include <rte_errno.h>
#include <rte_flow.h>

#include "mlx5_utils.h"
#include "mlx5_rxtx.h"
#include "mlx5_autoconf.h"
#include "mlx5_defs.h"

enum {
	PCI_VENDOR_ID_MELLANOX = 0x15b3,
};

enum {
	PCI_DEVICE_ID_MELLANOX_CONNECTX4 = 0x1013,
	PCI_DEVICE_ID_MELLANOX_CONNECTX4VF = 0x1014,
	PCI_DEVICE_ID_MELLANOX_CONNECTX4LX = 0x1015,
	PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF = 0x1016,
	PCI_DEVICE_ID_MELLANOX_CONNECTX5 = 0x1017,
	PCI_DEVICE_ID_MELLANOX_CONNECTX5VF = 0x1018,
	PCI_DEVICE_ID_MELLANOX_CONNECTX5EX = 0x1019,
	PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF = 0x101a,
};

struct mlx5_xstats_ctrl {
	/* Number of device stats. */
	uint16_t stats_n;
	/* Index in the device counters table. */
	uint16_t dev_table_idx[MLX5_MAX_XSTATS];
	uint64_t base[MLX5_MAX_XSTATS];
};

/* Flow list . */
TAILQ_HEAD(mlx5_flows, rte_flow);

struct priv {
	struct rte_eth_dev *dev; /* Ethernet device of master process. */
	struct ibv_context *ctx; /* Verbs context. */
	struct ibv_device_attr_ex device_attr; /* Device properties. */
	struct ibv_pd *pd; /* Protection Domain. */
	char ibdev_path[IBV_SYSFS_PATH_MAX]; /* IB device path for secondary */
	struct ether_addr mac[MLX5_MAX_MAC_ADDRESSES]; /* MAC addresses. */
	uint16_t vlan_filter[MLX5_MAX_VLAN_IDS]; /* VLAN filters table. */
	unsigned int vlan_filter_n; /* Number of configured VLAN filters. */
	/* Device properties. */
	uint16_t mtu; /* Configured MTU. */
	uint8_t port; /* Physical port number. */
	unsigned int hw_csum:1; /* Checksum offload is supported. */
	unsigned int hw_csum_l2tun:1; /* Same for L2 tunnels. */
	unsigned int hw_vlan_strip:1; /* VLAN stripping is supported. */
	unsigned int hw_fcs_strip:1; /* FCS stripping is supported. */
	unsigned int hw_padding:1; /* End alignment padding is supported. */
	unsigned int sriov:1; /* This is a VF or PF with VF devices. */
	unsigned int mps:2; /* Multi-packet send mode (0: disabled). */
	unsigned int mpw_hdr_dseg:1; /* Enable DSEGs in the title WQEBB. */
	unsigned int cqe_comp:1; /* Whether CQE compression is enabled. */
	unsigned int pending_alarm:1; /* An alarm is pending. */
	unsigned int tso:1; /* Whether TSO is supported. */
	unsigned int tunnel_en:1;
	unsigned int isolated:1; /* Whether isolated mode is enabled. */
	unsigned int tx_vec_en:1; /* Whether Tx vector is enabled. */
	unsigned int rx_vec_en:1; /* Whether Rx vector is enabled. */
	unsigned int counter_set_supported:1; /* Counter set is supported. */
	/* Whether Tx offloads for tunneled packets are supported. */
	unsigned int max_tso_payload_sz; /* Maximum TCP payload for TSO. */
	unsigned int txq_inline; /* Maximum packet size for inlining. */
	unsigned int txqs_inline; /* Queue number threshold for inlining. */
	unsigned int inline_max_packet_sz; /* Max packet size for inlining. */
	/* RX/TX queues. */
	unsigned int rxqs_n; /* RX queues array size. */
	unsigned int txqs_n; /* TX queues array size. */
	struct mlx5_rxq_data *(*rxqs)[]; /* RX queues. */
	struct mlx5_txq_data *(*txqs)[]; /* TX queues. */
	unsigned int ind_table_max_size; /* Maximum indirection table size. */
	struct rte_eth_rss_conf rss_conf; /* RSS configuration. */
	struct rte_intr_handle intr_handle; /* Interrupt handler. */
	unsigned int (*reta_idx)[]; /* RETA index table. */
	unsigned int reta_idx_n; /* RETA index size. */
	struct mlx5_hrxq_drop *flow_drop_queue; /* Flow drop queue. */
	struct mlx5_flows flows; /* RTE Flow rules. */
	struct mlx5_flows ctrl_flows; /* Control flow rules. */
	LIST_HEAD(mr, mlx5_mr) mr; /* Memory region. */
	LIST_HEAD(rxq, mlx5_rxq_ctrl) rxqsctrl; /* DPDK Rx queues. */
	LIST_HEAD(rxqibv, mlx5_rxq_ibv) rxqsibv; /* Verbs Rx queues. */
	LIST_HEAD(hrxq, mlx5_hrxq) hrxqs; /* Verbs Hash Rx queues. */
	LIST_HEAD(txq, mlx5_txq_ctrl) txqsctrl; /* DPDK Tx queues. */
	LIST_HEAD(txqibv, mlx5_txq_ibv) txqsibv; /* Verbs Tx queues. */
	/* Verbs Indirection tables. */
	LIST_HEAD(ind_tables, mlx5_ind_table_ibv) ind_tbls;
	uint32_t link_speed_capa; /* Link speed capabilities. */
	struct mlx5_xstats_ctrl xstats_ctrl; /* Extended stats control. */
	rte_spinlock_t lock; /* Lock for control functions. */
	int primary_socket; /* Unix socket for primary process. */
	struct rte_intr_handle intr_handle_socket; /* Interrupt handler. */
};

/**
 * Lock private structure to protect it from concurrent access in the
 * control path.
 *
 * @param priv
 *   Pointer to private structure.
 */
static inline void
priv_lock(struct priv *priv)
{
	rte_spinlock_lock(&priv->lock);
}

/**
 * Unlock private structure.
 *
 * @param priv
 *   Pointer to private structure.
 */
static inline void
priv_unlock(struct priv *priv)
{
	rte_spinlock_unlock(&priv->lock);
}

/* mlx5.c */

int mlx5_getenv_int(const char *);

/* mlx5_ethdev.c */

struct priv *mlx5_get_priv(struct rte_eth_dev *dev);
int mlx5_is_secondary(void);
int priv_get_ifname(const struct priv *, char (*)[IF_NAMESIZE]);
int priv_ifreq(const struct priv *, int req, struct ifreq *);
int priv_is_ib_cntr(const char *);
int priv_get_cntr_sysfs(struct priv *, const char *, uint64_t *);
int priv_get_num_vfs(struct priv *, uint16_t *);
int priv_get_mtu(struct priv *, uint16_t *);
int priv_set_flags(struct priv *, unsigned int, unsigned int);
int mlx5_dev_configure(struct rte_eth_dev *);
void mlx5_dev_infos_get(struct rte_eth_dev *, struct rte_eth_dev_info *);
const uint32_t *mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev);
int mlx5_link_update(struct rte_eth_dev *, int);
int mlx5_dev_set_mtu(struct rte_eth_dev *, uint16_t);
int mlx5_dev_get_flow_ctrl(struct rte_eth_dev *, struct rte_eth_fc_conf *);
int mlx5_dev_set_flow_ctrl(struct rte_eth_dev *, struct rte_eth_fc_conf *);
int mlx5_ibv_device_to_pci_addr(const struct ibv_device *,
				struct rte_pci_addr *);
void mlx5_dev_link_status_handler(void *);
void mlx5_dev_interrupt_handler(void *);
void priv_dev_interrupt_handler_uninstall(struct priv *, struct rte_eth_dev *);
void priv_dev_interrupt_handler_install(struct priv *, struct rte_eth_dev *);
int mlx5_set_link_down(struct rte_eth_dev *dev);
int mlx5_set_link_up(struct rte_eth_dev *dev);
void priv_dev_select_tx_function(struct priv *priv, struct rte_eth_dev *dev);
void priv_dev_select_rx_function(struct priv *priv, struct rte_eth_dev *dev);

/* mlx5_mac.c */

int priv_get_mac(struct priv *, uint8_t (*)[ETHER_ADDR_LEN]);
void mlx5_mac_addr_remove(struct rte_eth_dev *, uint32_t);
int mlx5_mac_addr_add(struct rte_eth_dev *, struct ether_addr *, uint32_t,
		      uint32_t);
void mlx5_mac_addr_set(struct rte_eth_dev *, struct ether_addr *);

/* mlx5_rss.c */

int mlx5_rss_hash_update(struct rte_eth_dev *, struct rte_eth_rss_conf *);
int mlx5_rss_hash_conf_get(struct rte_eth_dev *, struct rte_eth_rss_conf *);
int priv_rss_reta_index_resize(struct priv *, unsigned int);
int mlx5_dev_rss_reta_query(struct rte_eth_dev *,
			    struct rte_eth_rss_reta_entry64 *, uint16_t);
int mlx5_dev_rss_reta_update(struct rte_eth_dev *,
			     struct rte_eth_rss_reta_entry64 *, uint16_t);

/* mlx5_rxmode.c */

void mlx5_promiscuous_enable(struct rte_eth_dev *);
void mlx5_promiscuous_disable(struct rte_eth_dev *);
void mlx5_allmulticast_enable(struct rte_eth_dev *);
void mlx5_allmulticast_disable(struct rte_eth_dev *);

/* mlx5_stats.c */

void priv_xstats_init(struct priv *);
int mlx5_stats_get(struct rte_eth_dev *, struct rte_eth_stats *);
void mlx5_stats_reset(struct rte_eth_dev *);
int mlx5_xstats_get(struct rte_eth_dev *,
		    struct rte_eth_xstat *, unsigned int);
void mlx5_xstats_reset(struct rte_eth_dev *);
int mlx5_xstats_get_names(struct rte_eth_dev *,
			  struct rte_eth_xstat_name *, unsigned int);

/* mlx5_vlan.c */

int mlx5_vlan_filter_set(struct rte_eth_dev *, uint16_t, int);
int mlx5_vlan_offload_set(struct rte_eth_dev *, int);
void mlx5_vlan_strip_queue_set(struct rte_eth_dev *, uint16_t, int);

/* mlx5_trigger.c */

int mlx5_dev_start(struct rte_eth_dev *);
void mlx5_dev_stop(struct rte_eth_dev *);
int priv_dev_traffic_enable(struct priv *, struct rte_eth_dev *);
int priv_dev_traffic_disable(struct priv *, struct rte_eth_dev *);
int priv_dev_traffic_restart(struct priv *, struct rte_eth_dev *);
int mlx5_traffic_restart(struct rte_eth_dev *);

/* mlx5_flow.c */

int mlx5_dev_filter_ctrl(struct rte_eth_dev *, enum rte_filter_type,
			 enum rte_filter_op, void *);
int mlx5_flow_validate(struct rte_eth_dev *, const struct rte_flow_attr *,
		       const struct rte_flow_item [],
		       const struct rte_flow_action [],
		       struct rte_flow_error *);
struct rte_flow *mlx5_flow_create(struct rte_eth_dev *,
				  const struct rte_flow_attr *,
				  const struct rte_flow_item [],
				  const struct rte_flow_action [],
				  struct rte_flow_error *);
int mlx5_flow_destroy(struct rte_eth_dev *, struct rte_flow *,
		      struct rte_flow_error *);
void priv_flow_flush(struct priv *, struct mlx5_flows *);
int mlx5_flow_flush(struct rte_eth_dev *, struct rte_flow_error *);
int mlx5_flow_query(struct rte_eth_dev *, struct rte_flow *,
		    enum rte_flow_action_type, void *,
		    struct rte_flow_error *);
int mlx5_flow_isolate(struct rte_eth_dev *, int, struct rte_flow_error *);
int priv_flow_start(struct priv *, struct mlx5_flows *);
void priv_flow_stop(struct priv *, struct mlx5_flows *);
int priv_flow_verify(struct priv *);
int mlx5_ctrl_flow_vlan(struct rte_eth_dev *, struct rte_flow_item_eth *,
			struct rte_flow_item_eth *, struct rte_flow_item_vlan *,
			struct rte_flow_item_vlan *);
int mlx5_ctrl_flow(struct rte_eth_dev *, struct rte_flow_item_eth *,
		   struct rte_flow_item_eth *);
int priv_flow_create_drop_queue(struct priv *);
void priv_flow_delete_drop_queue(struct priv *);

/* mlx5_socket.c */

int priv_socket_init(struct priv *priv);
int priv_socket_uninit(struct priv *priv);
void priv_socket_handle(struct priv *priv);
int priv_socket_connect(struct priv *priv);

/* mlx5_mr.c */

struct mlx5_mr *priv_mr_new(struct priv *, struct rte_mempool *);
struct mlx5_mr *priv_mr_get(struct priv *, struct rte_mempool *);
int priv_mr_release(struct priv *, struct mlx5_mr *);
int priv_mr_verify(struct priv *);

#endif /* RTE_PMD_MLX5_H_ */