2 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include <linux/module.h>
35 #include <linux/init.h>
36 #include <linux/slab.h>
37 #include <linux/errno.h>
38 #include <linux/netdevice.h>
39 #include <linux/inetdevice.h>
40 #include <linux/rtnetlink.h>
41 #include <linux/if_vlan.h>
43 #include <net/addrconf.h>
45 #include <rdma/ib_smi.h>
46 #include <rdma/ib_user_verbs.h>
47 #include <rdma/ib_addr.h>
49 #include <linux/mlx4/driver.h>
50 #include <linux/mlx4/cmd.h>
51 #include <linux/mlx4/qp.h>
56 #define DRV_NAME MLX4_IB_DRV_NAME
57 #define DRV_VERSION "2.2-1"
58 #define DRV_RELDATE "Feb 2014"
60 #define MLX4_IB_FLOW_MAX_PRIO 0xFFF
61 #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF
62 #define MLX4_IB_CARD_REV_A0 0xA0
64 MODULE_AUTHOR("Roland Dreier");
65 MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver");
66 MODULE_LICENSE("Dual BSD/GPL");
67 MODULE_VERSION(DRV_VERSION
);
69 int mlx4_ib_sm_guid_assign
= 0;
70 module_param_named(sm_guid_assign
, mlx4_ib_sm_guid_assign
, int, 0444);
71 MODULE_PARM_DESC(sm_guid_assign
, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 0)");
73 static const char mlx4_ib_version
[] =
74 DRV_NAME
": Mellanox ConnectX InfiniBand driver v"
75 DRV_VERSION
" (" DRV_RELDATE
")\n";
77 struct update_gid_work
{
78 struct work_struct work
;
79 union ib_gid gids
[128];
80 struct mlx4_ib_dev
*dev
;
84 static void do_slave_init(struct mlx4_ib_dev
*ibdev
, int slave
, int do_init
);
86 static struct workqueue_struct
*wq
;
88 static void init_query_mad(struct ib_smp
*mad
)
90 mad
->base_version
= 1;
91 mad
->mgmt_class
= IB_MGMT_CLASS_SUBN_LID_ROUTED
;
92 mad
->class_version
= 1;
93 mad
->method
= IB_MGMT_METHOD_GET
;
96 static union ib_gid zgid
;
98 static int check_flow_steering_support(struct mlx4_dev
*dev
)
100 int eth_num_ports
= 0;
101 int ib_num_ports
= 0;
103 int dmfs
= dev
->caps
.steering_mode
== MLX4_STEERING_MODE_DEVICE_MANAGED
;
107 mlx4_foreach_port(i
, dev
, MLX4_PORT_TYPE_ETH
)
109 mlx4_foreach_port(i
, dev
, MLX4_PORT_TYPE_IB
)
111 dmfs
&= (!ib_num_ports
||
112 (dev
->caps
.flags2
& MLX4_DEV_CAP_FLAG2_DMFS_IPOIB
)) &&
114 (dev
->caps
.flags2
& MLX4_DEV_CAP_FLAG2_FS_EN
));
115 if (ib_num_ports
&& mlx4_is_mfunc(dev
)) {
116 pr_warn("Device managed flow steering is unavailable for IB port in multifunction env.\n");
123 static int num_ib_ports(struct mlx4_dev
*dev
)
128 mlx4_foreach_port(i
, dev
, MLX4_PORT_TYPE_IB
)
134 static int mlx4_ib_query_device(struct ib_device
*ibdev
,
135 struct ib_device_attr
*props
,
136 struct ib_udata
*uhw
)
138 struct mlx4_ib_dev
*dev
= to_mdev(ibdev
);
139 struct ib_smp
*in_mad
= NULL
;
140 struct ib_smp
*out_mad
= NULL
;
143 struct mlx4_uverbs_ex_query_device cmd
;
144 struct mlx4_uverbs_ex_query_device_resp resp
= {.comp_mask
= 0};
145 struct mlx4_clock_params clock_params
;
148 if (uhw
->inlen
< sizeof(cmd
))
151 err
= ib_copy_from_udata(&cmd
, uhw
, sizeof(cmd
));
162 resp
.response_length
= offsetof(typeof(resp
), response_length
) +
163 sizeof(resp
.response_length
);
164 in_mad
= kzalloc(sizeof *in_mad
, GFP_KERNEL
);
165 out_mad
= kmalloc(sizeof *out_mad
, GFP_KERNEL
);
166 if (!in_mad
|| !out_mad
)
169 init_query_mad(in_mad
);
170 in_mad
->attr_id
= IB_SMP_ATTR_NODE_INFO
;
172 err
= mlx4_MAD_IFC(to_mdev(ibdev
), MLX4_MAD_IFC_IGNORE_KEYS
,
173 1, NULL
, NULL
, in_mad
, out_mad
);
177 memset(props
, 0, sizeof *props
);
179 have_ib_ports
= num_ib_ports(dev
->dev
);
181 props
->fw_ver
= dev
->dev
->caps
.fw_ver
;
182 props
->device_cap_flags
= IB_DEVICE_CHANGE_PHY_PORT
|
183 IB_DEVICE_PORT_ACTIVE_EVENT
|
184 IB_DEVICE_SYS_IMAGE_GUID
|
185 IB_DEVICE_RC_RNR_NAK_GEN
|
186 IB_DEVICE_BLOCK_MULTICAST_LOOPBACK
;
187 if (dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR
)
188 props
->device_cap_flags
|= IB_DEVICE_BAD_PKEY_CNTR
;
189 if (dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR
)
190 props
->device_cap_flags
|= IB_DEVICE_BAD_QKEY_CNTR
;
191 if (dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_APM
&& have_ib_ports
)
192 props
->device_cap_flags
|= IB_DEVICE_AUTO_PATH_MIG
;
193 if (dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_UD_AV_PORT
)
194 props
->device_cap_flags
|= IB_DEVICE_UD_AV_PORT_ENFORCE
;
195 if (dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_IPOIB_CSUM
)
196 props
->device_cap_flags
|= IB_DEVICE_UD_IP_CSUM
;
197 if (dev
->dev
->caps
.max_gso_sz
&&
198 (dev
->dev
->rev_id
!= MLX4_IB_CARD_REV_A0
) &&
199 (dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_BLH
))
200 props
->device_cap_flags
|= IB_DEVICE_UD_TSO
;
201 if (dev
->dev
->caps
.bmme_flags
& MLX4_BMME_FLAG_RESERVED_LKEY
)
202 props
->device_cap_flags
|= IB_DEVICE_LOCAL_DMA_LKEY
;
203 if ((dev
->dev
->caps
.bmme_flags
& MLX4_BMME_FLAG_LOCAL_INV
) &&
204 (dev
->dev
->caps
.bmme_flags
& MLX4_BMME_FLAG_REMOTE_INV
) &&
205 (dev
->dev
->caps
.bmme_flags
& MLX4_BMME_FLAG_FAST_REG_WR
))
206 props
->device_cap_flags
|= IB_DEVICE_MEM_MGT_EXTENSIONS
;
207 if (dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_XRC
)
208 props
->device_cap_flags
|= IB_DEVICE_XRC
;
209 if (dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_MEM_WINDOW
)
210 props
->device_cap_flags
|= IB_DEVICE_MEM_WINDOW
;
211 if (dev
->dev
->caps
.bmme_flags
& MLX4_BMME_FLAG_TYPE_2_WIN
) {
212 if (dev
->dev
->caps
.bmme_flags
& MLX4_BMME_FLAG_WIN_TYPE_2B
)
213 props
->device_cap_flags
|= IB_DEVICE_MEM_WINDOW_TYPE_2B
;
215 props
->device_cap_flags
|= IB_DEVICE_MEM_WINDOW_TYPE_2A
;
216 if (dev
->steering_support
== MLX4_STEERING_MODE_DEVICE_MANAGED
)
217 props
->device_cap_flags
|= IB_DEVICE_MANAGED_FLOW_STEERING
;
220 props
->vendor_id
= be32_to_cpup((__be32
*) (out_mad
->data
+ 36)) &
222 props
->vendor_part_id
= dev
->dev
->persist
->pdev
->device
;
223 props
->hw_ver
= be32_to_cpup((__be32
*) (out_mad
->data
+ 32));
224 memcpy(&props
->sys_image_guid
, out_mad
->data
+ 4, 8);
226 props
->max_mr_size
= ~0ull;
227 props
->page_size_cap
= dev
->dev
->caps
.page_size_cap
;
228 props
->max_qp
= dev
->dev
->quotas
.qp
;
229 props
->max_qp_wr
= dev
->dev
->caps
.max_wqes
- MLX4_IB_SQ_MAX_SPARE
;
230 props
->max_sge
= min(dev
->dev
->caps
.max_sq_sg
,
231 dev
->dev
->caps
.max_rq_sg
);
232 props
->max_cq
= dev
->dev
->quotas
.cq
;
233 props
->max_cqe
= dev
->dev
->caps
.max_cqes
;
234 props
->max_mr
= dev
->dev
->quotas
.mpt
;
235 props
->max_pd
= dev
->dev
->caps
.num_pds
- dev
->dev
->caps
.reserved_pds
;
236 props
->max_qp_rd_atom
= dev
->dev
->caps
.max_qp_dest_rdma
;
237 props
->max_qp_init_rd_atom
= dev
->dev
->caps
.max_qp_init_rdma
;
238 props
->max_res_rd_atom
= props
->max_qp_rd_atom
* props
->max_qp
;
239 props
->max_srq
= dev
->dev
->quotas
.srq
;
240 props
->max_srq_wr
= dev
->dev
->caps
.max_srq_wqes
- 1;
241 props
->max_srq_sge
= dev
->dev
->caps
.max_srq_sge
;
242 props
->max_fast_reg_page_list_len
= MLX4_MAX_FAST_REG_PAGES
;
243 props
->local_ca_ack_delay
= dev
->dev
->caps
.local_ca_ack_delay
;
244 props
->atomic_cap
= dev
->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_ATOMIC
?
245 IB_ATOMIC_HCA
: IB_ATOMIC_NONE
;
246 props
->masked_atomic_cap
= props
->atomic_cap
;
247 props
->max_pkeys
= dev
->dev
->caps
.pkey_table_len
[1];
248 props
->max_mcast_grp
= dev
->dev
->caps
.num_mgms
+ dev
->dev
->caps
.num_amgms
;
249 props
->max_mcast_qp_attach
= dev
->dev
->caps
.num_qp_per_mgm
;
250 props
->max_total_mcast_qp_attach
= props
->max_mcast_qp_attach
*
251 props
->max_mcast_grp
;
252 props
->max_map_per_fmr
= dev
->dev
->caps
.max_fmr_maps
;
253 props
->hca_core_clock
= dev
->dev
->caps
.hca_core_clock
* 1000UL;
254 props
->timestamp_mask
= 0xFFFFFFFFFFFFULL
;
256 err
= mlx4_get_internal_clock_params(dev
->dev
, &clock_params
);
260 if (uhw
->outlen
>= resp
.response_length
+ sizeof(resp
.hca_core_clock_offset
)) {
261 resp
.hca_core_clock_offset
= clock_params
.offset
% PAGE_SIZE
;
262 resp
.response_length
+= sizeof(resp
.hca_core_clock_offset
);
263 resp
.comp_mask
|= QUERY_DEVICE_RESP_MASK_TIMESTAMP
;
267 err
= ib_copy_to_udata(uhw
, &resp
, resp
.response_length
);
278 static enum rdma_link_layer
279 mlx4_ib_port_link_layer(struct ib_device
*device
, u8 port_num
)
281 struct mlx4_dev
*dev
= to_mdev(device
)->dev
;
283 return dev
->caps
.port_mask
[port_num
] == MLX4_PORT_TYPE_IB
?
284 IB_LINK_LAYER_INFINIBAND
: IB_LINK_LAYER_ETHERNET
;
287 static int ib_link_query_port(struct ib_device
*ibdev
, u8 port
,
288 struct ib_port_attr
*props
, int netw_view
)
290 struct ib_smp
*in_mad
= NULL
;
291 struct ib_smp
*out_mad
= NULL
;
292 int ext_active_speed
;
293 int mad_ifc_flags
= MLX4_MAD_IFC_IGNORE_KEYS
;
296 in_mad
= kzalloc(sizeof *in_mad
, GFP_KERNEL
);
297 out_mad
= kmalloc(sizeof *out_mad
, GFP_KERNEL
);
298 if (!in_mad
|| !out_mad
)
301 init_query_mad(in_mad
);
302 in_mad
->attr_id
= IB_SMP_ATTR_PORT_INFO
;
303 in_mad
->attr_mod
= cpu_to_be32(port
);
305 if (mlx4_is_mfunc(to_mdev(ibdev
)->dev
) && netw_view
)
306 mad_ifc_flags
|= MLX4_MAD_IFC_NET_VIEW
;
308 err
= mlx4_MAD_IFC(to_mdev(ibdev
), mad_ifc_flags
, port
, NULL
, NULL
,
314 props
->lid
= be16_to_cpup((__be16
*) (out_mad
->data
+ 16));
315 props
->lmc
= out_mad
->data
[34] & 0x7;
316 props
->sm_lid
= be16_to_cpup((__be16
*) (out_mad
->data
+ 18));
317 props
->sm_sl
= out_mad
->data
[36] & 0xf;
318 props
->state
= out_mad
->data
[32] & 0xf;
319 props
->phys_state
= out_mad
->data
[33] >> 4;
320 props
->port_cap_flags
= be32_to_cpup((__be32
*) (out_mad
->data
+ 20));
322 props
->gid_tbl_len
= out_mad
->data
[50];
324 props
->gid_tbl_len
= to_mdev(ibdev
)->dev
->caps
.gid_table_len
[port
];
325 props
->max_msg_sz
= to_mdev(ibdev
)->dev
->caps
.max_msg_sz
;
326 props
->pkey_tbl_len
= to_mdev(ibdev
)->dev
->caps
.pkey_table_len
[port
];
327 props
->bad_pkey_cntr
= be16_to_cpup((__be16
*) (out_mad
->data
+ 46));
328 props
->qkey_viol_cntr
= be16_to_cpup((__be16
*) (out_mad
->data
+ 48));
329 props
->active_width
= out_mad
->data
[31] & 0xf;
330 props
->active_speed
= out_mad
->data
[35] >> 4;
331 props
->max_mtu
= out_mad
->data
[41] & 0xf;
332 props
->active_mtu
= out_mad
->data
[36] >> 4;
333 props
->subnet_timeout
= out_mad
->data
[51] & 0x1f;
334 props
->max_vl_num
= out_mad
->data
[37] >> 4;
335 props
->init_type_reply
= out_mad
->data
[41] >> 4;
337 /* Check if extended speeds (EDR/FDR/...) are supported */
338 if (props
->port_cap_flags
& IB_PORT_EXTENDED_SPEEDS_SUP
) {
339 ext_active_speed
= out_mad
->data
[62] >> 4;
341 switch (ext_active_speed
) {
343 props
->active_speed
= IB_SPEED_FDR
;
346 props
->active_speed
= IB_SPEED_EDR
;
351 /* If reported active speed is QDR, check if is FDR-10 */
352 if (props
->active_speed
== IB_SPEED_QDR
) {
353 init_query_mad(in_mad
);
354 in_mad
->attr_id
= MLX4_ATTR_EXTENDED_PORT_INFO
;
355 in_mad
->attr_mod
= cpu_to_be32(port
);
357 err
= mlx4_MAD_IFC(to_mdev(ibdev
), mad_ifc_flags
, port
,
358 NULL
, NULL
, in_mad
, out_mad
);
362 /* Checking LinkSpeedActive for FDR-10 */
363 if (out_mad
->data
[15] & 0x1)
364 props
->active_speed
= IB_SPEED_FDR10
;
367 /* Avoid wrong speed value returned by FW if the IB link is down. */
368 if (props
->state
== IB_PORT_DOWN
)
369 props
->active_speed
= IB_SPEED_SDR
;
377 static u8
state_to_phys_state(enum ib_port_state state
)
379 return state
== IB_PORT_ACTIVE
? 5 : 3;
382 static int eth_link_query_port(struct ib_device
*ibdev
, u8 port
,
383 struct ib_port_attr
*props
, int netw_view
)
386 struct mlx4_ib_dev
*mdev
= to_mdev(ibdev
);
387 struct mlx4_ib_iboe
*iboe
= &mdev
->iboe
;
388 struct net_device
*ndev
;
390 struct mlx4_cmd_mailbox
*mailbox
;
392 int is_bonded
= mlx4_is_bonded(mdev
->dev
);
394 mailbox
= mlx4_alloc_cmd_mailbox(mdev
->dev
);
396 return PTR_ERR(mailbox
);
398 err
= mlx4_cmd_box(mdev
->dev
, 0, mailbox
->dma
, port
, 0,
399 MLX4_CMD_QUERY_PORT
, MLX4_CMD_TIME_CLASS_B
,
404 props
->active_width
= (((u8
*)mailbox
->buf
)[5] == 0x40) ?
405 IB_WIDTH_4X
: IB_WIDTH_1X
;
406 props
->active_speed
= IB_SPEED_QDR
;
407 props
->port_cap_flags
= IB_PORT_CM_SUP
| IB_PORT_IP_BASED_GIDS
;
408 props
->gid_tbl_len
= mdev
->dev
->caps
.gid_table_len
[port
];
409 props
->max_msg_sz
= mdev
->dev
->caps
.max_msg_sz
;
410 props
->pkey_tbl_len
= 1;
411 props
->max_mtu
= IB_MTU_4096
;
412 props
->max_vl_num
= 2;
413 props
->state
= IB_PORT_DOWN
;
414 props
->phys_state
= state_to_phys_state(props
->state
);
415 props
->active_mtu
= IB_MTU_256
;
417 rtnl_lock(); /* required to get upper dev */
418 spin_lock_bh(&iboe
->lock
);
419 ndev
= iboe
->netdevs
[port
- 1];
420 if (ndev
&& is_bonded
)
421 ndev
= netdev_master_upper_dev_get(ndev
);
425 tmp
= iboe_get_mtu(ndev
->mtu
);
426 props
->active_mtu
= tmp
? min(props
->max_mtu
, tmp
) : IB_MTU_256
;
428 props
->state
= (netif_running(ndev
) && netif_carrier_ok(ndev
)) ?
429 IB_PORT_ACTIVE
: IB_PORT_DOWN
;
430 props
->phys_state
= state_to_phys_state(props
->state
);
432 spin_unlock_bh(&iboe
->lock
);
436 mlx4_free_cmd_mailbox(mdev
->dev
, mailbox
);
440 int __mlx4_ib_query_port(struct ib_device
*ibdev
, u8 port
,
441 struct ib_port_attr
*props
, int netw_view
)
445 memset(props
, 0, sizeof *props
);
447 err
= mlx4_ib_port_link_layer(ibdev
, port
) == IB_LINK_LAYER_INFINIBAND
?
448 ib_link_query_port(ibdev
, port
, props
, netw_view
) :
449 eth_link_query_port(ibdev
, port
, props
, netw_view
);
454 static int mlx4_ib_query_port(struct ib_device
*ibdev
, u8 port
,
455 struct ib_port_attr
*props
)
457 /* returns host view */
458 return __mlx4_ib_query_port(ibdev
, port
, props
, 0);
461 int __mlx4_ib_query_gid(struct ib_device
*ibdev
, u8 port
, int index
,
462 union ib_gid
*gid
, int netw_view
)
464 struct ib_smp
*in_mad
= NULL
;
465 struct ib_smp
*out_mad
= NULL
;
467 struct mlx4_ib_dev
*dev
= to_mdev(ibdev
);
469 int mad_ifc_flags
= MLX4_MAD_IFC_IGNORE_KEYS
;
471 in_mad
= kzalloc(sizeof *in_mad
, GFP_KERNEL
);
472 out_mad
= kmalloc(sizeof *out_mad
, GFP_KERNEL
);
473 if (!in_mad
|| !out_mad
)
476 init_query_mad(in_mad
);
477 in_mad
->attr_id
= IB_SMP_ATTR_PORT_INFO
;
478 in_mad
->attr_mod
= cpu_to_be32(port
);
480 if (mlx4_is_mfunc(dev
->dev
) && netw_view
)
481 mad_ifc_flags
|= MLX4_MAD_IFC_NET_VIEW
;
483 err
= mlx4_MAD_IFC(dev
, mad_ifc_flags
, port
, NULL
, NULL
, in_mad
, out_mad
);
487 memcpy(gid
->raw
, out_mad
->data
+ 8, 8);
489 if (mlx4_is_mfunc(dev
->dev
) && !netw_view
) {
491 /* For any index > 0, return the null guid */
498 init_query_mad(in_mad
);
499 in_mad
->attr_id
= IB_SMP_ATTR_GUID_INFO
;
500 in_mad
->attr_mod
= cpu_to_be32(index
/ 8);
502 err
= mlx4_MAD_IFC(dev
, mad_ifc_flags
, port
,
503 NULL
, NULL
, in_mad
, out_mad
);
507 memcpy(gid
->raw
+ 8, out_mad
->data
+ (index
% 8) * 8, 8);
511 memset(gid
->raw
+ 8, 0, 8);
517 static int iboe_query_gid(struct ib_device
*ibdev
, u8 port
, int index
,
520 struct mlx4_ib_dev
*dev
= to_mdev(ibdev
);
522 *gid
= dev
->iboe
.gid_table
[port
- 1][index
];
527 static int mlx4_ib_query_gid(struct ib_device
*ibdev
, u8 port
, int index
,
530 if (rdma_port_get_link_layer(ibdev
, port
) == IB_LINK_LAYER_INFINIBAND
)
531 return __mlx4_ib_query_gid(ibdev
, port
, index
, gid
, 0);
533 return iboe_query_gid(ibdev
, port
, index
, gid
);
536 int __mlx4_ib_query_pkey(struct ib_device
*ibdev
, u8 port
, u16 index
,
537 u16
*pkey
, int netw_view
)
539 struct ib_smp
*in_mad
= NULL
;
540 struct ib_smp
*out_mad
= NULL
;
541 int mad_ifc_flags
= MLX4_MAD_IFC_IGNORE_KEYS
;
544 in_mad
= kzalloc(sizeof *in_mad
, GFP_KERNEL
);
545 out_mad
= kmalloc(sizeof *out_mad
, GFP_KERNEL
);
546 if (!in_mad
|| !out_mad
)
549 init_query_mad(in_mad
);
550 in_mad
->attr_id
= IB_SMP_ATTR_PKEY_TABLE
;
551 in_mad
->attr_mod
= cpu_to_be32(index
/ 32);
553 if (mlx4_is_mfunc(to_mdev(ibdev
)->dev
) && netw_view
)
554 mad_ifc_flags
|= MLX4_MAD_IFC_NET_VIEW
;
556 err
= mlx4_MAD_IFC(to_mdev(ibdev
), mad_ifc_flags
, port
, NULL
, NULL
,
561 *pkey
= be16_to_cpu(((__be16
*) out_mad
->data
)[index
% 32]);
569 static int mlx4_ib_query_pkey(struct ib_device
*ibdev
, u8 port
, u16 index
, u16
*pkey
)
571 return __mlx4_ib_query_pkey(ibdev
, port
, index
, pkey
, 0);
574 static int mlx4_ib_modify_device(struct ib_device
*ibdev
, int mask
,
575 struct ib_device_modify
*props
)
577 struct mlx4_cmd_mailbox
*mailbox
;
580 if (mask
& ~IB_DEVICE_MODIFY_NODE_DESC
)
583 if (!(mask
& IB_DEVICE_MODIFY_NODE_DESC
))
586 if (mlx4_is_slave(to_mdev(ibdev
)->dev
))
589 spin_lock_irqsave(&to_mdev(ibdev
)->sm_lock
, flags
);
590 memcpy(ibdev
->node_desc
, props
->node_desc
, 64);
591 spin_unlock_irqrestore(&to_mdev(ibdev
)->sm_lock
, flags
);
594 * If possible, pass node desc to FW, so it can generate
595 * a 144 trap. If cmd fails, just ignore.
597 mailbox
= mlx4_alloc_cmd_mailbox(to_mdev(ibdev
)->dev
);
601 memcpy(mailbox
->buf
, props
->node_desc
, 64);
602 mlx4_cmd(to_mdev(ibdev
)->dev
, mailbox
->dma
, 1, 0,
603 MLX4_CMD_SET_NODE
, MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
605 mlx4_free_cmd_mailbox(to_mdev(ibdev
)->dev
, mailbox
);
610 static int mlx4_ib_SET_PORT(struct mlx4_ib_dev
*dev
, u8 port
, int reset_qkey_viols
,
613 struct mlx4_cmd_mailbox
*mailbox
;
616 mailbox
= mlx4_alloc_cmd_mailbox(dev
->dev
);
618 return PTR_ERR(mailbox
);
620 if (dev
->dev
->flags
& MLX4_FLAG_OLD_PORT_CMDS
) {
621 *(u8
*) mailbox
->buf
= !!reset_qkey_viols
<< 6;
622 ((__be32
*) mailbox
->buf
)[2] = cpu_to_be32(cap_mask
);
624 ((u8
*) mailbox
->buf
)[3] = !!reset_qkey_viols
;
625 ((__be32
*) mailbox
->buf
)[1] = cpu_to_be32(cap_mask
);
628 err
= mlx4_cmd(dev
->dev
, mailbox
->dma
, port
, MLX4_SET_PORT_IB_OPCODE
,
629 MLX4_CMD_SET_PORT
, MLX4_CMD_TIME_CLASS_B
,
632 mlx4_free_cmd_mailbox(dev
->dev
, mailbox
);
636 static int mlx4_ib_modify_port(struct ib_device
*ibdev
, u8 port
, int mask
,
637 struct ib_port_modify
*props
)
639 struct mlx4_ib_dev
*mdev
= to_mdev(ibdev
);
640 u8 is_eth
= mdev
->dev
->caps
.port_type
[port
] == MLX4_PORT_TYPE_ETH
;
641 struct ib_port_attr attr
;
645 /* return OK if this is RoCE. CM calls ib_modify_port() regardless
646 * of whether port link layer is ETH or IB. For ETH ports, qkey
647 * violations and port capabilities are not meaningful.
652 mutex_lock(&mdev
->cap_mask_mutex
);
654 err
= mlx4_ib_query_port(ibdev
, port
, &attr
);
658 cap_mask
= (attr
.port_cap_flags
| props
->set_port_cap_mask
) &
659 ~props
->clr_port_cap_mask
;
661 err
= mlx4_ib_SET_PORT(mdev
, port
,
662 !!(mask
& IB_PORT_RESET_QKEY_CNTR
),
666 mutex_unlock(&to_mdev(ibdev
)->cap_mask_mutex
);
670 static struct ib_ucontext
*mlx4_ib_alloc_ucontext(struct ib_device
*ibdev
,
671 struct ib_udata
*udata
)
673 struct mlx4_ib_dev
*dev
= to_mdev(ibdev
);
674 struct mlx4_ib_ucontext
*context
;
675 struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3
;
676 struct mlx4_ib_alloc_ucontext_resp resp
;
680 return ERR_PTR(-EAGAIN
);
682 if (ibdev
->uverbs_abi_ver
== MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION
) {
683 resp_v3
.qp_tab_size
= dev
->dev
->caps
.num_qps
;
684 resp_v3
.bf_reg_size
= dev
->dev
->caps
.bf_reg_size
;
685 resp_v3
.bf_regs_per_page
= dev
->dev
->caps
.bf_regs_per_page
;
687 resp
.dev_caps
= dev
->dev
->caps
.userspace_caps
;
688 resp
.qp_tab_size
= dev
->dev
->caps
.num_qps
;
689 resp
.bf_reg_size
= dev
->dev
->caps
.bf_reg_size
;
690 resp
.bf_regs_per_page
= dev
->dev
->caps
.bf_regs_per_page
;
691 resp
.cqe_size
= dev
->dev
->caps
.cqe_size
;
694 context
= kmalloc(sizeof *context
, GFP_KERNEL
);
696 return ERR_PTR(-ENOMEM
);
698 err
= mlx4_uar_alloc(to_mdev(ibdev
)->dev
, &context
->uar
);
704 INIT_LIST_HEAD(&context
->db_page_list
);
705 mutex_init(&context
->db_page_mutex
);
707 if (ibdev
->uverbs_abi_ver
== MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION
)
708 err
= ib_copy_to_udata(udata
, &resp_v3
, sizeof(resp_v3
));
710 err
= ib_copy_to_udata(udata
, &resp
, sizeof(resp
));
713 mlx4_uar_free(to_mdev(ibdev
)->dev
, &context
->uar
);
715 return ERR_PTR(-EFAULT
);
718 return &context
->ibucontext
;
721 static int mlx4_ib_dealloc_ucontext(struct ib_ucontext
*ibcontext
)
723 struct mlx4_ib_ucontext
*context
= to_mucontext(ibcontext
);
725 mlx4_uar_free(to_mdev(ibcontext
->device
)->dev
, &context
->uar
);
731 static int mlx4_ib_mmap(struct ib_ucontext
*context
, struct vm_area_struct
*vma
)
733 struct mlx4_ib_dev
*dev
= to_mdev(context
->device
);
735 if (vma
->vm_end
- vma
->vm_start
!= PAGE_SIZE
)
738 if (vma
->vm_pgoff
== 0) {
739 vma
->vm_page_prot
= pgprot_noncached(vma
->vm_page_prot
);
741 if (io_remap_pfn_range(vma
, vma
->vm_start
,
742 to_mucontext(context
)->uar
.pfn
,
743 PAGE_SIZE
, vma
->vm_page_prot
))
745 } else if (vma
->vm_pgoff
== 1 && dev
->dev
->caps
.bf_reg_size
!= 0) {
746 vma
->vm_page_prot
= pgprot_writecombine(vma
->vm_page_prot
);
748 if (io_remap_pfn_range(vma
, vma
->vm_start
,
749 to_mucontext(context
)->uar
.pfn
+
750 dev
->dev
->caps
.num_uars
,
751 PAGE_SIZE
, vma
->vm_page_prot
))
753 } else if (vma
->vm_pgoff
== 3) {
754 struct mlx4_clock_params params
;
755 int ret
= mlx4_get_internal_clock_params(dev
->dev
, ¶ms
);
760 vma
->vm_page_prot
= pgprot_noncached(vma
->vm_page_prot
);
761 if (io_remap_pfn_range(vma
, vma
->vm_start
,
762 (pci_resource_start(dev
->dev
->persist
->pdev
,
766 PAGE_SIZE
, vma
->vm_page_prot
))
775 static struct ib_pd
*mlx4_ib_alloc_pd(struct ib_device
*ibdev
,
776 struct ib_ucontext
*context
,
777 struct ib_udata
*udata
)
779 struct mlx4_ib_pd
*pd
;
782 pd
= kmalloc(sizeof *pd
, GFP_KERNEL
);
784 return ERR_PTR(-ENOMEM
);
786 err
= mlx4_pd_alloc(to_mdev(ibdev
)->dev
, &pd
->pdn
);
793 if (ib_copy_to_udata(udata
, &pd
->pdn
, sizeof (__u32
))) {
794 mlx4_pd_free(to_mdev(ibdev
)->dev
, pd
->pdn
);
796 return ERR_PTR(-EFAULT
);
802 static int mlx4_ib_dealloc_pd(struct ib_pd
*pd
)
804 mlx4_pd_free(to_mdev(pd
->device
)->dev
, to_mpd(pd
)->pdn
);
810 static struct ib_xrcd
*mlx4_ib_alloc_xrcd(struct ib_device
*ibdev
,
811 struct ib_ucontext
*context
,
812 struct ib_udata
*udata
)
814 struct mlx4_ib_xrcd
*xrcd
;
815 struct ib_cq_init_attr cq_attr
= {};
818 if (!(to_mdev(ibdev
)->dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_XRC
))
819 return ERR_PTR(-ENOSYS
);
821 xrcd
= kmalloc(sizeof *xrcd
, GFP_KERNEL
);
823 return ERR_PTR(-ENOMEM
);
825 err
= mlx4_xrcd_alloc(to_mdev(ibdev
)->dev
, &xrcd
->xrcdn
);
829 xrcd
->pd
= ib_alloc_pd(ibdev
);
830 if (IS_ERR(xrcd
->pd
)) {
831 err
= PTR_ERR(xrcd
->pd
);
836 xrcd
->cq
= ib_create_cq(ibdev
, NULL
, NULL
, xrcd
, &cq_attr
);
837 if (IS_ERR(xrcd
->cq
)) {
838 err
= PTR_ERR(xrcd
->cq
);
842 return &xrcd
->ibxrcd
;
845 ib_dealloc_pd(xrcd
->pd
);
847 mlx4_xrcd_free(to_mdev(ibdev
)->dev
, xrcd
->xrcdn
);
853 static int mlx4_ib_dealloc_xrcd(struct ib_xrcd
*xrcd
)
855 ib_destroy_cq(to_mxrcd(xrcd
)->cq
);
856 ib_dealloc_pd(to_mxrcd(xrcd
)->pd
);
857 mlx4_xrcd_free(to_mdev(xrcd
->device
)->dev
, to_mxrcd(xrcd
)->xrcdn
);
863 static int add_gid_entry(struct ib_qp
*ibqp
, union ib_gid
*gid
)
865 struct mlx4_ib_qp
*mqp
= to_mqp(ibqp
);
866 struct mlx4_ib_dev
*mdev
= to_mdev(ibqp
->device
);
867 struct mlx4_ib_gid_entry
*ge
;
869 ge
= kzalloc(sizeof *ge
, GFP_KERNEL
);
874 if (mlx4_ib_add_mc(mdev
, mqp
, gid
)) {
875 ge
->port
= mqp
->port
;
879 mutex_lock(&mqp
->mutex
);
880 list_add_tail(&ge
->list
, &mqp
->gid_list
);
881 mutex_unlock(&mqp
->mutex
);
886 int mlx4_ib_add_mc(struct mlx4_ib_dev
*mdev
, struct mlx4_ib_qp
*mqp
,
889 struct net_device
*ndev
;
895 spin_lock_bh(&mdev
->iboe
.lock
);
896 ndev
= mdev
->iboe
.netdevs
[mqp
->port
- 1];
899 spin_unlock_bh(&mdev
->iboe
.lock
);
909 struct mlx4_ib_steering
{
910 struct list_head list
;
911 struct mlx4_flow_reg_id reg_id
;
915 static int parse_flow_attr(struct mlx4_dev
*dev
,
917 union ib_flow_spec
*ib_spec
,
918 struct _rule_hw
*mlx4_spec
)
920 enum mlx4_net_trans_rule_id type
;
922 switch (ib_spec
->type
) {
923 case IB_FLOW_SPEC_ETH
:
924 type
= MLX4_NET_TRANS_RULE_ID_ETH
;
925 memcpy(mlx4_spec
->eth
.dst_mac
, ib_spec
->eth
.val
.dst_mac
,
927 memcpy(mlx4_spec
->eth
.dst_mac_msk
, ib_spec
->eth
.mask
.dst_mac
,
929 mlx4_spec
->eth
.vlan_tag
= ib_spec
->eth
.val
.vlan_tag
;
930 mlx4_spec
->eth
.vlan_tag_msk
= ib_spec
->eth
.mask
.vlan_tag
;
932 case IB_FLOW_SPEC_IB
:
933 type
= MLX4_NET_TRANS_RULE_ID_IB
;
934 mlx4_spec
->ib
.l3_qpn
=
936 mlx4_spec
->ib
.qpn_mask
=
937 cpu_to_be32(MLX4_IB_FLOW_QPN_MASK
);
941 case IB_FLOW_SPEC_IPV4
:
942 type
= MLX4_NET_TRANS_RULE_ID_IPV4
;
943 mlx4_spec
->ipv4
.src_ip
= ib_spec
->ipv4
.val
.src_ip
;
944 mlx4_spec
->ipv4
.src_ip_msk
= ib_spec
->ipv4
.mask
.src_ip
;
945 mlx4_spec
->ipv4
.dst_ip
= ib_spec
->ipv4
.val
.dst_ip
;
946 mlx4_spec
->ipv4
.dst_ip_msk
= ib_spec
->ipv4
.mask
.dst_ip
;
949 case IB_FLOW_SPEC_TCP
:
950 case IB_FLOW_SPEC_UDP
:
951 type
= ib_spec
->type
== IB_FLOW_SPEC_TCP
?
952 MLX4_NET_TRANS_RULE_ID_TCP
:
953 MLX4_NET_TRANS_RULE_ID_UDP
;
954 mlx4_spec
->tcp_udp
.dst_port
= ib_spec
->tcp_udp
.val
.dst_port
;
955 mlx4_spec
->tcp_udp
.dst_port_msk
= ib_spec
->tcp_udp
.mask
.dst_port
;
956 mlx4_spec
->tcp_udp
.src_port
= ib_spec
->tcp_udp
.val
.src_port
;
957 mlx4_spec
->tcp_udp
.src_port_msk
= ib_spec
->tcp_udp
.mask
.src_port
;
963 if (mlx4_map_sw_to_hw_steering_id(dev
, type
) < 0 ||
964 mlx4_hw_rule_sz(dev
, type
) < 0)
966 mlx4_spec
->id
= cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev
, type
));
967 mlx4_spec
->size
= mlx4_hw_rule_sz(dev
, type
) >> 2;
968 return mlx4_hw_rule_sz(dev
, type
);
971 struct default_rules
{
972 __u32 mandatory_fields
[IB_FLOW_SPEC_SUPPORT_LAYERS
];
973 __u32 mandatory_not_fields
[IB_FLOW_SPEC_SUPPORT_LAYERS
];
974 __u32 rules_create_list
[IB_FLOW_SPEC_SUPPORT_LAYERS
];
977 static const struct default_rules default_table
[] = {
979 .mandatory_fields
= {IB_FLOW_SPEC_IPV4
},
980 .mandatory_not_fields
= {IB_FLOW_SPEC_ETH
},
981 .rules_create_list
= {IB_FLOW_SPEC_IB
},
982 .link_layer
= IB_LINK_LAYER_INFINIBAND
986 static int __mlx4_ib_default_rules_match(struct ib_qp
*qp
,
987 struct ib_flow_attr
*flow_attr
)
991 const struct default_rules
*pdefault_rules
= default_table
;
992 u8 link_layer
= rdma_port_get_link_layer(qp
->device
, flow_attr
->port
);
994 for (i
= 0; i
< ARRAY_SIZE(default_table
); i
++, pdefault_rules
++) {
995 __u32 field_types
[IB_FLOW_SPEC_SUPPORT_LAYERS
];
996 memset(&field_types
, 0, sizeof(field_types
));
998 if (link_layer
!= pdefault_rules
->link_layer
)
1001 ib_flow
= flow_attr
+ 1;
1002 /* we assume the specs are sorted */
1003 for (j
= 0, k
= 0; k
< IB_FLOW_SPEC_SUPPORT_LAYERS
&&
1004 j
< flow_attr
->num_of_specs
; k
++) {
1005 union ib_flow_spec
*current_flow
=
1006 (union ib_flow_spec
*)ib_flow
;
1008 /* same layer but different type */
1009 if (((current_flow
->type
& IB_FLOW_SPEC_LAYER_MASK
) ==
1010 (pdefault_rules
->mandatory_fields
[k
] &
1011 IB_FLOW_SPEC_LAYER_MASK
)) &&
1012 (current_flow
->type
!=
1013 pdefault_rules
->mandatory_fields
[k
]))
1016 /* same layer, try match next one */
1017 if (current_flow
->type
==
1018 pdefault_rules
->mandatory_fields
[k
]) {
1021 ((union ib_flow_spec
*)ib_flow
)->size
;
1025 ib_flow
= flow_attr
+ 1;
1026 for (j
= 0; j
< flow_attr
->num_of_specs
;
1027 j
++, ib_flow
+= ((union ib_flow_spec
*)ib_flow
)->size
)
1028 for (k
= 0; k
< IB_FLOW_SPEC_SUPPORT_LAYERS
; k
++)
1029 /* same layer and same type */
1030 if (((union ib_flow_spec
*)ib_flow
)->type
==
1031 pdefault_rules
->mandatory_not_fields
[k
])
1040 static int __mlx4_ib_create_default_rules(
1041 struct mlx4_ib_dev
*mdev
,
1043 const struct default_rules
*pdefault_rules
,
1044 struct _rule_hw
*mlx4_spec
) {
1048 for (i
= 0; i
< ARRAY_SIZE(pdefault_rules
->rules_create_list
); i
++) {
1050 union ib_flow_spec ib_spec
;
1051 switch (pdefault_rules
->rules_create_list
[i
]) {
1055 case IB_FLOW_SPEC_IB
:
1056 ib_spec
.type
= IB_FLOW_SPEC_IB
;
1057 ib_spec
.size
= sizeof(struct ib_flow_spec_ib
);
1064 /* We must put empty rule, qpn is being ignored */
1065 ret
= parse_flow_attr(mdev
->dev
, 0, &ib_spec
,
1068 pr_info("invalid parsing\n");
1072 mlx4_spec
= (void *)mlx4_spec
+ ret
;
1078 static int __mlx4_ib_create_flow(struct ib_qp
*qp
, struct ib_flow_attr
*flow_attr
,
1080 enum mlx4_net_trans_promisc_mode flow_type
,
1086 struct mlx4_ib_dev
*mdev
= to_mdev(qp
->device
);
1087 struct mlx4_cmd_mailbox
*mailbox
;
1088 struct mlx4_net_trans_rule_hw_ctrl
*ctrl
;
1091 static const u16 __mlx4_domain
[] = {
1092 [IB_FLOW_DOMAIN_USER
] = MLX4_DOMAIN_UVERBS
,
1093 [IB_FLOW_DOMAIN_ETHTOOL
] = MLX4_DOMAIN_ETHTOOL
,
1094 [IB_FLOW_DOMAIN_RFS
] = MLX4_DOMAIN_RFS
,
1095 [IB_FLOW_DOMAIN_NIC
] = MLX4_DOMAIN_NIC
,
1098 if (flow_attr
->priority
> MLX4_IB_FLOW_MAX_PRIO
) {
1099 pr_err("Invalid priority value %d\n", flow_attr
->priority
);
1103 if (domain
>= IB_FLOW_DOMAIN_NUM
) {
1104 pr_err("Invalid domain value %d\n", domain
);
1108 if (mlx4_map_sw_to_hw_steering_mode(mdev
->dev
, flow_type
) < 0)
1111 mailbox
= mlx4_alloc_cmd_mailbox(mdev
->dev
);
1112 if (IS_ERR(mailbox
))
1113 return PTR_ERR(mailbox
);
1114 ctrl
= mailbox
->buf
;
1116 ctrl
->prio
= cpu_to_be16(__mlx4_domain
[domain
] |
1117 flow_attr
->priority
);
1118 ctrl
->type
= mlx4_map_sw_to_hw_steering_mode(mdev
->dev
, flow_type
);
1119 ctrl
->port
= flow_attr
->port
;
1120 ctrl
->qpn
= cpu_to_be32(qp
->qp_num
);
1122 ib_flow
= flow_attr
+ 1;
1123 size
+= sizeof(struct mlx4_net_trans_rule_hw_ctrl
);
1124 /* Add default flows */
1125 default_flow
= __mlx4_ib_default_rules_match(qp
, flow_attr
);
1126 if (default_flow
>= 0) {
1127 ret
= __mlx4_ib_create_default_rules(
1128 mdev
, qp
, default_table
+ default_flow
,
1129 mailbox
->buf
+ size
);
1131 mlx4_free_cmd_mailbox(mdev
->dev
, mailbox
);
1136 for (i
= 0; i
< flow_attr
->num_of_specs
; i
++) {
1137 ret
= parse_flow_attr(mdev
->dev
, qp
->qp_num
, ib_flow
,
1138 mailbox
->buf
+ size
);
1140 mlx4_free_cmd_mailbox(mdev
->dev
, mailbox
);
1143 ib_flow
+= ((union ib_flow_spec
*) ib_flow
)->size
;
1147 ret
= mlx4_cmd_imm(mdev
->dev
, mailbox
->dma
, reg_id
, size
>> 2, 0,
1148 MLX4_QP_FLOW_STEERING_ATTACH
, MLX4_CMD_TIME_CLASS_A
,
1151 pr_err("mcg table is full. Fail to register network rule.\n");
1152 else if (ret
== -ENXIO
)
1153 pr_err("Device managed flow steering is disabled. Fail to register network rule.\n");
1155 pr_err("Invalid argumant. Fail to register network rule.\n");
1157 mlx4_free_cmd_mailbox(mdev
->dev
, mailbox
);
1161 static int __mlx4_ib_destroy_flow(struct mlx4_dev
*dev
, u64 reg_id
)
1164 err
= mlx4_cmd(dev
, reg_id
, 0, 0,
1165 MLX4_QP_FLOW_STEERING_DETACH
, MLX4_CMD_TIME_CLASS_A
,
1168 pr_err("Fail to detach network rule. registration id = 0x%llx\n",
1173 static int mlx4_ib_tunnel_steer_add(struct ib_qp
*qp
, struct ib_flow_attr
*flow_attr
,
1177 union ib_flow_spec
*ib_spec
;
1178 struct mlx4_dev
*dev
= to_mdev(qp
->device
)->dev
;
1181 if (dev
->caps
.tunnel_offload_mode
!= MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
||
1182 dev
->caps
.dmfs_high_steer_mode
== MLX4_STEERING_DMFS_A0_STATIC
)
1183 return 0; /* do nothing */
1185 ib_flow
= flow_attr
+ 1;
1186 ib_spec
= (union ib_flow_spec
*)ib_flow
;
1188 if (ib_spec
->type
!= IB_FLOW_SPEC_ETH
|| flow_attr
->num_of_specs
!= 1)
1189 return 0; /* do nothing */
1191 err
= mlx4_tunnel_steer_add(to_mdev(qp
->device
)->dev
, ib_spec
->eth
.val
.dst_mac
,
1192 flow_attr
->port
, qp
->qp_num
,
1193 MLX4_DOMAIN_UVERBS
| (flow_attr
->priority
& 0xff),
1198 static struct ib_flow
*mlx4_ib_create_flow(struct ib_qp
*qp
,
1199 struct ib_flow_attr
*flow_attr
,
1202 int err
= 0, i
= 0, j
= 0;
1203 struct mlx4_ib_flow
*mflow
;
1204 enum mlx4_net_trans_promisc_mode type
[2];
1205 struct mlx4_dev
*dev
= (to_mdev(qp
->device
))->dev
;
1206 int is_bonded
= mlx4_is_bonded(dev
);
1208 memset(type
, 0, sizeof(type
));
1210 mflow
= kzalloc(sizeof(*mflow
), GFP_KERNEL
);
1216 switch (flow_attr
->type
) {
1217 case IB_FLOW_ATTR_NORMAL
:
1218 type
[0] = MLX4_FS_REGULAR
;
1221 case IB_FLOW_ATTR_ALL_DEFAULT
:
1222 type
[0] = MLX4_FS_ALL_DEFAULT
;
1225 case IB_FLOW_ATTR_MC_DEFAULT
:
1226 type
[0] = MLX4_FS_MC_DEFAULT
;
1229 case IB_FLOW_ATTR_SNIFFER
:
1230 type
[0] = MLX4_FS_UC_SNIFFER
;
1231 type
[1] = MLX4_FS_MC_SNIFFER
;
1239 while (i
< ARRAY_SIZE(type
) && type
[i
]) {
1240 err
= __mlx4_ib_create_flow(qp
, flow_attr
, domain
, type
[i
],
1241 &mflow
->reg_id
[i
].id
);
1243 goto err_create_flow
;
1245 /* Application always sees one port so the mirror rule
1246 * must be on port #2
1248 flow_attr
->port
= 2;
1249 err
= __mlx4_ib_create_flow(qp
, flow_attr
,
1251 &mflow
->reg_id
[j
].mirror
);
1252 flow_attr
->port
= 1;
1254 goto err_create_flow
;
1261 if (i
< ARRAY_SIZE(type
) && flow_attr
->type
== IB_FLOW_ATTR_NORMAL
) {
1262 err
= mlx4_ib_tunnel_steer_add(qp
, flow_attr
,
1263 &mflow
->reg_id
[i
].id
);
1265 goto err_create_flow
;
1268 flow_attr
->port
= 2;
1269 err
= mlx4_ib_tunnel_steer_add(qp
, flow_attr
,
1270 &mflow
->reg_id
[j
].mirror
);
1271 flow_attr
->port
= 1;
1273 goto err_create_flow
;
1276 /* function to create mirror rule */
1280 return &mflow
->ibflow
;
1284 (void)__mlx4_ib_destroy_flow(to_mdev(qp
->device
)->dev
,
1285 mflow
->reg_id
[i
].id
);
1290 (void)__mlx4_ib_destroy_flow(to_mdev(qp
->device
)->dev
,
1291 mflow
->reg_id
[j
].mirror
);
1296 return ERR_PTR(err
);
1299 static int mlx4_ib_destroy_flow(struct ib_flow
*flow_id
)
1303 struct mlx4_ib_dev
*mdev
= to_mdev(flow_id
->qp
->device
);
1304 struct mlx4_ib_flow
*mflow
= to_mflow(flow_id
);
1306 while (i
< ARRAY_SIZE(mflow
->reg_id
) && mflow
->reg_id
[i
].id
) {
1307 err
= __mlx4_ib_destroy_flow(mdev
->dev
, mflow
->reg_id
[i
].id
);
1310 if (mflow
->reg_id
[i
].mirror
) {
1311 err
= __mlx4_ib_destroy_flow(mdev
->dev
,
1312 mflow
->reg_id
[i
].mirror
);
1323 static int mlx4_ib_mcg_attach(struct ib_qp
*ibqp
, union ib_gid
*gid
, u16 lid
)
1326 struct mlx4_ib_dev
*mdev
= to_mdev(ibqp
->device
);
1327 struct mlx4_dev
*dev
= mdev
->dev
;
1328 struct mlx4_ib_qp
*mqp
= to_mqp(ibqp
);
1329 struct mlx4_ib_steering
*ib_steering
= NULL
;
1330 enum mlx4_protocol prot
= MLX4_PROT_IB_IPV6
;
1331 struct mlx4_flow_reg_id reg_id
;
1333 if (mdev
->dev
->caps
.steering_mode
==
1334 MLX4_STEERING_MODE_DEVICE_MANAGED
) {
1335 ib_steering
= kmalloc(sizeof(*ib_steering
), GFP_KERNEL
);
1340 err
= mlx4_multicast_attach(mdev
->dev
, &mqp
->mqp
, gid
->raw
, mqp
->port
,
1342 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK
),
1345 pr_err("multicast attach op failed, err %d\n", err
);
1350 if (mlx4_is_bonded(dev
)) {
1351 err
= mlx4_multicast_attach(mdev
->dev
, &mqp
->mqp
, gid
->raw
,
1352 (mqp
->port
== 1) ? 2 : 1,
1354 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK
),
1355 prot
, ®_id
.mirror
);
1360 err
= add_gid_entry(ibqp
, gid
);
1365 memcpy(ib_steering
->gid
.raw
, gid
->raw
, 16);
1366 ib_steering
->reg_id
= reg_id
;
1367 mutex_lock(&mqp
->mutex
);
1368 list_add(&ib_steering
->list
, &mqp
->steering_rules
);
1369 mutex_unlock(&mqp
->mutex
);
1374 mlx4_multicast_detach(mdev
->dev
, &mqp
->mqp
, gid
->raw
,
1377 mlx4_multicast_detach(mdev
->dev
, &mqp
->mqp
, gid
->raw
,
1378 prot
, reg_id
.mirror
);
1385 static struct mlx4_ib_gid_entry
*find_gid_entry(struct mlx4_ib_qp
*qp
, u8
*raw
)
1387 struct mlx4_ib_gid_entry
*ge
;
1388 struct mlx4_ib_gid_entry
*tmp
;
1389 struct mlx4_ib_gid_entry
*ret
= NULL
;
1391 list_for_each_entry_safe(ge
, tmp
, &qp
->gid_list
, list
) {
1392 if (!memcmp(raw
, ge
->gid
.raw
, 16)) {
1401 static int mlx4_ib_mcg_detach(struct ib_qp
*ibqp
, union ib_gid
*gid
, u16 lid
)
1404 struct mlx4_ib_dev
*mdev
= to_mdev(ibqp
->device
);
1405 struct mlx4_dev
*dev
= mdev
->dev
;
1406 struct mlx4_ib_qp
*mqp
= to_mqp(ibqp
);
1407 struct net_device
*ndev
;
1408 struct mlx4_ib_gid_entry
*ge
;
1409 struct mlx4_flow_reg_id reg_id
= {0, 0};
1410 enum mlx4_protocol prot
= MLX4_PROT_IB_IPV6
;
1412 if (mdev
->dev
->caps
.steering_mode
==
1413 MLX4_STEERING_MODE_DEVICE_MANAGED
) {
1414 struct mlx4_ib_steering
*ib_steering
;
1416 mutex_lock(&mqp
->mutex
);
1417 list_for_each_entry(ib_steering
, &mqp
->steering_rules
, list
) {
1418 if (!memcmp(ib_steering
->gid
.raw
, gid
->raw
, 16)) {
1419 list_del(&ib_steering
->list
);
1423 mutex_unlock(&mqp
->mutex
);
1424 if (&ib_steering
->list
== &mqp
->steering_rules
) {
1425 pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n");
1428 reg_id
= ib_steering
->reg_id
;
1432 err
= mlx4_multicast_detach(mdev
->dev
, &mqp
->mqp
, gid
->raw
,
1437 if (mlx4_is_bonded(dev
)) {
1438 err
= mlx4_multicast_detach(mdev
->dev
, &mqp
->mqp
, gid
->raw
,
1439 prot
, reg_id
.mirror
);
1444 mutex_lock(&mqp
->mutex
);
1445 ge
= find_gid_entry(mqp
, gid
->raw
);
1447 spin_lock_bh(&mdev
->iboe
.lock
);
1448 ndev
= ge
->added
? mdev
->iboe
.netdevs
[ge
->port
- 1] : NULL
;
1451 spin_unlock_bh(&mdev
->iboe
.lock
);
1454 list_del(&ge
->list
);
1457 pr_warn("could not find mgid entry\n");
1459 mutex_unlock(&mqp
->mutex
);
1464 static int init_node_data(struct mlx4_ib_dev
*dev
)
1466 struct ib_smp
*in_mad
= NULL
;
1467 struct ib_smp
*out_mad
= NULL
;
1468 int mad_ifc_flags
= MLX4_MAD_IFC_IGNORE_KEYS
;
1471 in_mad
= kzalloc(sizeof *in_mad
, GFP_KERNEL
);
1472 out_mad
= kmalloc(sizeof *out_mad
, GFP_KERNEL
);
1473 if (!in_mad
|| !out_mad
)
1476 init_query_mad(in_mad
);
1477 in_mad
->attr_id
= IB_SMP_ATTR_NODE_DESC
;
1478 if (mlx4_is_master(dev
->dev
))
1479 mad_ifc_flags
|= MLX4_MAD_IFC_NET_VIEW
;
1481 err
= mlx4_MAD_IFC(dev
, mad_ifc_flags
, 1, NULL
, NULL
, in_mad
, out_mad
);
1485 memcpy(dev
->ib_dev
.node_desc
, out_mad
->data
, 64);
1487 in_mad
->attr_id
= IB_SMP_ATTR_NODE_INFO
;
1489 err
= mlx4_MAD_IFC(dev
, mad_ifc_flags
, 1, NULL
, NULL
, in_mad
, out_mad
);
1493 dev
->dev
->rev_id
= be32_to_cpup((__be32
*) (out_mad
->data
+ 32));
1494 memcpy(&dev
->ib_dev
.node_guid
, out_mad
->data
+ 12, 8);
1502 static ssize_t
show_hca(struct device
*device
, struct device_attribute
*attr
,
1505 struct mlx4_ib_dev
*dev
=
1506 container_of(device
, struct mlx4_ib_dev
, ib_dev
.dev
);
1507 return sprintf(buf
, "MT%d\n", dev
->dev
->persist
->pdev
->device
);
1510 static ssize_t
show_fw_ver(struct device
*device
, struct device_attribute
*attr
,
1513 struct mlx4_ib_dev
*dev
=
1514 container_of(device
, struct mlx4_ib_dev
, ib_dev
.dev
);
1515 return sprintf(buf
, "%d.%d.%d\n", (int) (dev
->dev
->caps
.fw_ver
>> 32),
1516 (int) (dev
->dev
->caps
.fw_ver
>> 16) & 0xffff,
1517 (int) dev
->dev
->caps
.fw_ver
& 0xffff);
1520 static ssize_t
show_rev(struct device
*device
, struct device_attribute
*attr
,
1523 struct mlx4_ib_dev
*dev
=
1524 container_of(device
, struct mlx4_ib_dev
, ib_dev
.dev
);
1525 return sprintf(buf
, "%x\n", dev
->dev
->rev_id
);
1528 static ssize_t
show_board(struct device
*device
, struct device_attribute
*attr
,
1531 struct mlx4_ib_dev
*dev
=
1532 container_of(device
, struct mlx4_ib_dev
, ib_dev
.dev
);
1533 return sprintf(buf
, "%.*s\n", MLX4_BOARD_ID_LEN
,
1534 dev
->dev
->board_id
);
1537 static DEVICE_ATTR(hw_rev
, S_IRUGO
, show_rev
, NULL
);
1538 static DEVICE_ATTR(fw_ver
, S_IRUGO
, show_fw_ver
, NULL
);
1539 static DEVICE_ATTR(hca_type
, S_IRUGO
, show_hca
, NULL
);
1540 static DEVICE_ATTR(board_id
, S_IRUGO
, show_board
, NULL
);
1542 static struct device_attribute
*mlx4_class_attributes
[] = {
1549 static void mlx4_addrconf_ifid_eui48(u8
*eui
, u16 vlan_id
,
1550 struct net_device
*dev
)
1552 memcpy(eui
, dev
->dev_addr
, 3);
1553 memcpy(eui
+ 5, dev
->dev_addr
+ 3, 3);
1554 if (vlan_id
< 0x1000) {
1555 eui
[3] = vlan_id
>> 8;
1556 eui
[4] = vlan_id
& 0xff;
1564 static void update_gids_task(struct work_struct
*work
)
1566 struct update_gid_work
*gw
= container_of(work
, struct update_gid_work
, work
);
1567 struct mlx4_cmd_mailbox
*mailbox
;
1570 struct mlx4_dev
*dev
= gw
->dev
->dev
;
1571 int is_bonded
= mlx4_is_bonded(dev
);
1573 if (!gw
->dev
->ib_active
)
1576 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1577 if (IS_ERR(mailbox
)) {
1578 pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox
));
1582 gids
= mailbox
->buf
;
1583 memcpy(gids
, gw
->gids
, sizeof gw
->gids
);
1585 err
= mlx4_cmd(dev
, mailbox
->dma
, MLX4_SET_PORT_GID_TABLE
<< 8 | gw
->port
,
1586 MLX4_SET_PORT_ETH_OPCODE
, MLX4_CMD_SET_PORT
,
1587 MLX4_CMD_TIME_CLASS_B
, MLX4_CMD_WRAPPED
);
1589 pr_warn("set port command failed\n");
1591 if ((gw
->port
== 1) || !is_bonded
)
1592 mlx4_ib_dispatch_event(gw
->dev
,
1593 is_bonded
? 1 : gw
->port
,
1594 IB_EVENT_GID_CHANGE
);
1596 mlx4_free_cmd_mailbox(dev
, mailbox
);
1600 static void reset_gids_task(struct work_struct
*work
)
1602 struct update_gid_work
*gw
=
1603 container_of(work
, struct update_gid_work
, work
);
1604 struct mlx4_cmd_mailbox
*mailbox
;
1607 struct mlx4_dev
*dev
= gw
->dev
->dev
;
1609 if (!gw
->dev
->ib_active
)
1612 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1613 if (IS_ERR(mailbox
)) {
1614 pr_warn("reset gid table failed\n");
1618 gids
= mailbox
->buf
;
1619 memcpy(gids
, gw
->gids
, sizeof(gw
->gids
));
1621 if (mlx4_ib_port_link_layer(&gw
->dev
->ib_dev
, gw
->port
) ==
1622 IB_LINK_LAYER_ETHERNET
) {
1623 err
= mlx4_cmd(dev
, mailbox
->dma
,
1624 MLX4_SET_PORT_GID_TABLE
<< 8 | gw
->port
,
1625 MLX4_SET_PORT_ETH_OPCODE
, MLX4_CMD_SET_PORT
,
1626 MLX4_CMD_TIME_CLASS_B
,
1629 pr_warn("set port %d command failed\n", gw
->port
);
1632 mlx4_free_cmd_mailbox(dev
, mailbox
);
1637 static int update_gid_table(struct mlx4_ib_dev
*dev
, int port
,
1638 union ib_gid
*gid
, int clear
,
1641 struct update_gid_work
*work
;
1643 int need_update
= 0;
1651 max_gids
= dev
->dev
->caps
.gid_table_len
[port
];
1652 for (i
= 1; i
< max_gids
; ++i
) {
1653 if (!memcmp(&dev
->iboe
.gid_table
[port
- 1][i
], gid
,
1660 dev
->iboe
.gid_table
[port
- 1][found
] =
1669 !memcmp(&dev
->iboe
.gid_table
[port
- 1][i
],
1670 &zgid
, sizeof(*gid
)))
1676 if (found
== -1 && !clear
&& free
>= 0) {
1677 dev
->iboe
.gid_table
[port
- 1][free
] = *gid
;
1684 work
= kzalloc(sizeof(*work
), GFP_ATOMIC
);
1688 memcpy(work
->gids
, dev
->iboe
.gid_table
[port
- 1], sizeof(work
->gids
));
1689 INIT_WORK(&work
->work
, update_gids_task
);
1692 queue_work(wq
, &work
->work
);
1697 static void mlx4_make_default_gid(struct net_device
*dev
, union ib_gid
*gid
)
1699 gid
->global
.subnet_prefix
= cpu_to_be64(0xfe80000000000000LL
);
1700 mlx4_addrconf_ifid_eui48(&gid
->raw
[8], 0xffff, dev
);
1704 static int reset_gid_table(struct mlx4_ib_dev
*dev
, u8 port
)
1706 struct update_gid_work
*work
;
1708 work
= kzalloc(sizeof(*work
), GFP_ATOMIC
);
1712 memset(dev
->iboe
.gid_table
[port
- 1], 0, sizeof(work
->gids
));
1713 memset(work
->gids
, 0, sizeof(work
->gids
));
1714 INIT_WORK(&work
->work
, reset_gids_task
);
1717 queue_work(wq
, &work
->work
);
1721 static int mlx4_ib_addr_event(int event
, struct net_device
*event_netdev
,
1722 struct mlx4_ib_dev
*ibdev
, union ib_gid
*gid
)
1724 struct mlx4_ib_iboe
*iboe
;
1726 struct net_device
*real_dev
= rdma_vlan_dev_real_dev(event_netdev
) ?
1727 rdma_vlan_dev_real_dev(event_netdev
) :
1729 union ib_gid default_gid
;
1731 mlx4_make_default_gid(real_dev
, &default_gid
);
1733 if (!memcmp(gid
, &default_gid
, sizeof(*gid
)))
1736 if (event
!= NETDEV_DOWN
&& event
!= NETDEV_UP
)
1739 if ((real_dev
!= event_netdev
) &&
1740 (event
== NETDEV_DOWN
) &&
1741 rdma_link_local_addr((struct in6_addr
*)gid
))
1744 iboe
= &ibdev
->iboe
;
1745 spin_lock_bh(&iboe
->lock
);
1747 for (port
= 1; port
<= ibdev
->dev
->caps
.num_ports
; ++port
)
1748 if ((netif_is_bond_master(real_dev
) &&
1749 (real_dev
== iboe
->masters
[port
- 1])) ||
1750 (!netif_is_bond_master(real_dev
) &&
1751 (real_dev
== iboe
->netdevs
[port
- 1])))
1752 update_gid_table(ibdev
, port
, gid
,
1753 event
== NETDEV_DOWN
, 0);
1755 spin_unlock_bh(&iboe
->lock
);
1760 static u8
mlx4_ib_get_dev_port(struct net_device
*dev
,
1761 struct mlx4_ib_dev
*ibdev
)
1764 struct mlx4_ib_iboe
*iboe
;
1765 struct net_device
*real_dev
= rdma_vlan_dev_real_dev(dev
) ?
1766 rdma_vlan_dev_real_dev(dev
) : dev
;
1768 iboe
= &ibdev
->iboe
;
1770 for (port
= 1; port
<= ibdev
->dev
->caps
.num_ports
; ++port
)
1771 if ((netif_is_bond_master(real_dev
) &&
1772 (real_dev
== iboe
->masters
[port
- 1])) ||
1773 (!netif_is_bond_master(real_dev
) &&
1774 (real_dev
== iboe
->netdevs
[port
- 1])))
1777 if ((port
== 0) || (port
> ibdev
->dev
->caps
.num_ports
))
1783 static int mlx4_ib_inet_event(struct notifier_block
*this, unsigned long event
,
1786 struct mlx4_ib_dev
*ibdev
;
1787 struct in_ifaddr
*ifa
= ptr
;
1789 struct net_device
*event_netdev
= ifa
->ifa_dev
->dev
;
1791 ipv6_addr_set_v4mapped(ifa
->ifa_address
, (struct in6_addr
*)&gid
);
1793 ibdev
= container_of(this, struct mlx4_ib_dev
, iboe
.nb_inet
);
1795 mlx4_ib_addr_event(event
, event_netdev
, ibdev
, &gid
);
1799 #if IS_ENABLED(CONFIG_IPV6)
1800 static int mlx4_ib_inet6_event(struct notifier_block
*this, unsigned long event
,
1803 struct mlx4_ib_dev
*ibdev
;
1804 struct inet6_ifaddr
*ifa
= ptr
;
1805 union ib_gid
*gid
= (union ib_gid
*)&ifa
->addr
;
1806 struct net_device
*event_netdev
= ifa
->idev
->dev
;
1808 ibdev
= container_of(this, struct mlx4_ib_dev
, iboe
.nb_inet6
);
1810 mlx4_ib_addr_event(event
, event_netdev
, ibdev
, gid
);
1815 #define MLX4_IB_INVALID_MAC ((u64)-1)
1816 static void mlx4_ib_update_qps(struct mlx4_ib_dev
*ibdev
,
1817 struct net_device
*dev
,
1821 u64 release_mac
= MLX4_IB_INVALID_MAC
;
1822 struct mlx4_ib_qp
*qp
;
1824 read_lock(&dev_base_lock
);
1825 new_smac
= mlx4_mac_to_u64(dev
->dev_addr
);
1826 read_unlock(&dev_base_lock
);
1828 atomic64_set(&ibdev
->iboe
.mac
[port
- 1], new_smac
);
1830 /* no need for update QP1 and mac registration in non-SRIOV */
1831 if (!mlx4_is_mfunc(ibdev
->dev
))
1834 mutex_lock(&ibdev
->qp1_proxy_lock
[port
- 1]);
1835 qp
= ibdev
->qp1_proxy
[port
- 1];
1839 struct mlx4_update_qp_params update_params
;
1841 mutex_lock(&qp
->mutex
);
1842 old_smac
= qp
->pri
.smac
;
1843 if (new_smac
== old_smac
)
1846 new_smac_index
= mlx4_register_mac(ibdev
->dev
, port
, new_smac
);
1848 if (new_smac_index
< 0)
1851 update_params
.smac_index
= new_smac_index
;
1852 if (mlx4_update_qp(ibdev
->dev
, qp
->mqp
.qpn
, MLX4_UPDATE_QP_SMAC
,
1854 release_mac
= new_smac
;
1857 /* if old port was zero, no mac was yet registered for this QP */
1858 if (qp
->pri
.smac_port
)
1859 release_mac
= old_smac
;
1860 qp
->pri
.smac
= new_smac
;
1861 qp
->pri
.smac_port
= port
;
1862 qp
->pri
.smac_index
= new_smac_index
;
1866 if (release_mac
!= MLX4_IB_INVALID_MAC
)
1867 mlx4_unregister_mac(ibdev
->dev
, port
, release_mac
);
1869 mutex_unlock(&qp
->mutex
);
1870 mutex_unlock(&ibdev
->qp1_proxy_lock
[port
- 1]);
1873 static void mlx4_ib_get_dev_addr(struct net_device
*dev
,
1874 struct mlx4_ib_dev
*ibdev
, u8 port
)
1876 struct in_device
*in_dev
;
1877 #if IS_ENABLED(CONFIG_IPV6)
1878 struct inet6_dev
*in6_dev
;
1880 struct inet6_ifaddr
*ifp
;
1881 union ib_gid default_gid
;
1886 if ((port
== 0) || (port
> ibdev
->dev
->caps
.num_ports
))
1890 in_dev
= in_dev_get(dev
);
1893 /*ifa->ifa_address;*/
1894 ipv6_addr_set_v4mapped(ifa
->ifa_address
,
1895 (struct in6_addr
*)&gid
);
1896 update_gid_table(ibdev
, port
, &gid
, 0, 0);
1901 #if IS_ENABLED(CONFIG_IPV6)
1902 mlx4_make_default_gid(dev
, &default_gid
);
1904 in6_dev
= in6_dev_get(dev
);
1906 read_lock_bh(&in6_dev
->lock
);
1907 list_for_each_entry(ifp
, &in6_dev
->addr_list
, if_list
) {
1908 pgid
= (union ib_gid
*)&ifp
->addr
;
1909 if (!memcmp(pgid
, &default_gid
, sizeof(*pgid
)))
1911 update_gid_table(ibdev
, port
, pgid
, 0, 0);
1913 read_unlock_bh(&in6_dev
->lock
);
1914 in6_dev_put(in6_dev
);
1919 static void mlx4_ib_set_default_gid(struct mlx4_ib_dev
*ibdev
,
1920 struct net_device
*dev
, u8 port
)
1923 mlx4_make_default_gid(dev
, &gid
);
1924 update_gid_table(ibdev
, port
, &gid
, 0, 1);
1927 static int mlx4_ib_init_gid_table(struct mlx4_ib_dev
*ibdev
)
1929 struct net_device
*dev
;
1930 struct mlx4_ib_iboe
*iboe
= &ibdev
->iboe
;
1934 for (i
= 1; i
<= ibdev
->num_ports
; ++i
) {
1935 if (rdma_port_get_link_layer(&ibdev
->ib_dev
, i
) ==
1936 IB_LINK_LAYER_ETHERNET
) {
1937 err
= reset_gid_table(ibdev
, i
);
1943 read_lock(&dev_base_lock
);
1944 spin_lock_bh(&iboe
->lock
);
1946 for_each_netdev(&init_net
, dev
) {
1947 u8 port
= mlx4_ib_get_dev_port(dev
, ibdev
);
1948 /* port will be non-zero only for ETH ports */
1950 mlx4_ib_set_default_gid(ibdev
, dev
, port
);
1951 mlx4_ib_get_dev_addr(dev
, ibdev
, port
);
1955 spin_unlock_bh(&iboe
->lock
);
1956 read_unlock(&dev_base_lock
);
1961 static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev
*ibdev
,
1962 struct net_device
*dev
,
1963 unsigned long event
)
1966 struct mlx4_ib_iboe
*iboe
;
1967 int update_qps_port
= -1;
1970 iboe
= &ibdev
->iboe
;
1972 spin_lock_bh(&iboe
->lock
);
1973 mlx4_foreach_ib_transport_port(port
, ibdev
->dev
) {
1974 enum ib_port_state port_state
= IB_PORT_NOP
;
1975 struct net_device
*old_master
= iboe
->masters
[port
- 1];
1976 struct net_device
*curr_netdev
;
1977 struct net_device
*curr_master
;
1979 iboe
->netdevs
[port
- 1] =
1980 mlx4_get_protocol_dev(ibdev
->dev
, MLX4_PROT_ETH
, port
);
1981 if (iboe
->netdevs
[port
- 1])
1982 mlx4_ib_set_default_gid(ibdev
,
1983 iboe
->netdevs
[port
- 1], port
);
1984 curr_netdev
= iboe
->netdevs
[port
- 1];
1986 if (iboe
->netdevs
[port
- 1] &&
1987 netif_is_bond_slave(iboe
->netdevs
[port
- 1])) {
1988 iboe
->masters
[port
- 1] = netdev_master_upper_dev_get(
1989 iboe
->netdevs
[port
- 1]);
1991 iboe
->masters
[port
- 1] = NULL
;
1993 curr_master
= iboe
->masters
[port
- 1];
1995 if (dev
== iboe
->netdevs
[port
- 1] &&
1996 (event
== NETDEV_CHANGEADDR
|| event
== NETDEV_REGISTER
||
1997 event
== NETDEV_UP
|| event
== NETDEV_CHANGE
))
1998 update_qps_port
= port
;
2001 port_state
= (netif_running(curr_netdev
) && netif_carrier_ok(curr_netdev
)) ?
2002 IB_PORT_ACTIVE
: IB_PORT_DOWN
;
2003 mlx4_ib_set_default_gid(ibdev
, curr_netdev
, port
);
2005 /* if using bonding/team and a slave port is down, we
2006 * don't want the bond IP based gids in the table since
2007 * flows that select port by gid may get the down port.
2009 if (port_state
== IB_PORT_DOWN
&&
2010 !mlx4_is_bonded(ibdev
->dev
)) {
2011 reset_gid_table(ibdev
, port
);
2012 mlx4_ib_set_default_gid(ibdev
,
2016 /* gids from the upper dev (bond/team)
2017 * should appear in port's gid table
2019 mlx4_ib_get_dev_addr(curr_master
,
2023 /* if bonding is used it is possible that we add it to
2024 * masters only after IP address is assigned to the
2025 * net bonding interface.
2027 if (curr_master
&& (old_master
!= curr_master
)) {
2028 reset_gid_table(ibdev
, port
);
2029 mlx4_ib_set_default_gid(ibdev
,
2031 mlx4_ib_get_dev_addr(curr_master
, ibdev
, port
);
2034 if (!curr_master
&& (old_master
!= curr_master
)) {
2035 reset_gid_table(ibdev
, port
);
2036 mlx4_ib_set_default_gid(ibdev
,
2038 mlx4_ib_get_dev_addr(curr_netdev
, ibdev
, port
);
2041 reset_gid_table(ibdev
, port
);
2045 spin_unlock_bh(&iboe
->lock
);
2047 if (update_qps_port
> 0)
2048 mlx4_ib_update_qps(ibdev
, dev
, update_qps_port
);
2051 static int mlx4_ib_netdev_event(struct notifier_block
*this,
2052 unsigned long event
, void *ptr
)
2054 struct net_device
*dev
= netdev_notifier_info_to_dev(ptr
);
2055 struct mlx4_ib_dev
*ibdev
;
2057 if (!net_eq(dev_net(dev
), &init_net
))
2060 ibdev
= container_of(this, struct mlx4_ib_dev
, iboe
.nb
);
2061 mlx4_ib_scan_netdevs(ibdev
, dev
, event
);
2066 static void init_pkeys(struct mlx4_ib_dev
*ibdev
)
2072 if (mlx4_is_master(ibdev
->dev
)) {
2073 for (slave
= 0; slave
<= ibdev
->dev
->persist
->num_vfs
;
2075 for (port
= 1; port
<= ibdev
->dev
->caps
.num_ports
; ++port
) {
2077 i
< ibdev
->dev
->phys_caps
.pkey_phys_table_len
[port
];
2079 ibdev
->pkeys
.virt2phys_pkey
[slave
][port
- 1][i
] =
2080 /* master has the identity virt2phys pkey mapping */
2081 (slave
== mlx4_master_func_num(ibdev
->dev
) || !i
) ? i
:
2082 ibdev
->dev
->phys_caps
.pkey_phys_table_len
[port
] - 1;
2083 mlx4_sync_pkey_table(ibdev
->dev
, slave
, port
, i
,
2084 ibdev
->pkeys
.virt2phys_pkey
[slave
][port
- 1][i
]);
2088 /* initialize pkey cache */
2089 for (port
= 1; port
<= ibdev
->dev
->caps
.num_ports
; ++port
) {
2091 i
< ibdev
->dev
->phys_caps
.pkey_phys_table_len
[port
];
2093 ibdev
->pkeys
.phys_pkey_cache
[port
-1][i
] =
2099 static void mlx4_ib_alloc_eqs(struct mlx4_dev
*dev
, struct mlx4_ib_dev
*ibdev
)
2101 int i
, j
, eq
= 0, total_eqs
= 0;
2103 ibdev
->eq_table
= kcalloc(dev
->caps
.num_comp_vectors
,
2104 sizeof(ibdev
->eq_table
[0]), GFP_KERNEL
);
2105 if (!ibdev
->eq_table
)
2108 for (i
= 1; i
<= dev
->caps
.num_ports
; i
++) {
2109 for (j
= 0; j
< mlx4_get_eqs_per_port(dev
, i
);
2111 if (i
> 1 && mlx4_is_eq_shared(dev
, total_eqs
))
2113 ibdev
->eq_table
[eq
] = total_eqs
;
2114 if (!mlx4_assign_eq(dev
, i
,
2115 &ibdev
->eq_table
[eq
]))
2118 ibdev
->eq_table
[eq
] = -1;
2122 for (i
= eq
; i
< dev
->caps
.num_comp_vectors
;
2123 ibdev
->eq_table
[i
++] = -1)
2126 /* Advertise the new number of EQs to clients */
2127 ibdev
->ib_dev
.num_comp_vectors
= eq
;
2130 static void mlx4_ib_free_eqs(struct mlx4_dev
*dev
, struct mlx4_ib_dev
*ibdev
)
2133 int total_eqs
= ibdev
->ib_dev
.num_comp_vectors
;
2135 /* no eqs were allocated */
2136 if (!ibdev
->eq_table
)
2139 /* Reset the advertised EQ number */
2140 ibdev
->ib_dev
.num_comp_vectors
= 0;
2142 for (i
= 0; i
< total_eqs
; i
++)
2143 mlx4_release_eq(dev
, ibdev
->eq_table
[i
]);
2145 kfree(ibdev
->eq_table
);
2146 ibdev
->eq_table
= NULL
;
2149 static int mlx4_port_immutable(struct ib_device
*ibdev
, u8 port_num
,
2150 struct ib_port_immutable
*immutable
)
2152 struct ib_port_attr attr
;
2155 err
= mlx4_ib_query_port(ibdev
, port_num
, &attr
);
2159 immutable
->pkey_tbl_len
= attr
.pkey_tbl_len
;
2160 immutable
->gid_tbl_len
= attr
.gid_tbl_len
;
2162 if (mlx4_ib_port_link_layer(ibdev
, port_num
) == IB_LINK_LAYER_INFINIBAND
)
2163 immutable
->core_cap_flags
= RDMA_CORE_PORT_IBA_IB
;
2165 immutable
->core_cap_flags
= RDMA_CORE_PORT_IBA_ROCE
;
2167 immutable
->max_mad_size
= IB_MGMT_MAD_SIZE
;
2172 static void *mlx4_ib_add(struct mlx4_dev
*dev
)
2174 struct mlx4_ib_dev
*ibdev
;
2178 struct mlx4_ib_iboe
*iboe
;
2179 int ib_num_ports
= 0;
2180 int num_req_counters
;
2184 pr_info_once("%s", mlx4_ib_version
);
2187 mlx4_foreach_ib_transport_port(i
, dev
)
2190 /* No point in registering a device with no ports... */
2194 ibdev
= (struct mlx4_ib_dev
*) ib_alloc_device(sizeof *ibdev
);
2196 dev_err(&dev
->persist
->pdev
->dev
,
2197 "Device struct alloc failed\n");
2201 iboe
= &ibdev
->iboe
;
2203 if (mlx4_pd_alloc(dev
, &ibdev
->priv_pdn
))
2206 if (mlx4_uar_alloc(dev
, &ibdev
->priv_uar
))
2209 ibdev
->uar_map
= ioremap((phys_addr_t
) ibdev
->priv_uar
.pfn
<< PAGE_SHIFT
,
2211 if (!ibdev
->uar_map
)
2213 MLX4_INIT_DOORBELL_LOCK(&ibdev
->uar_lock
);
2216 ibdev
->bond_next_port
= 0;
2218 strlcpy(ibdev
->ib_dev
.name
, "mlx4_%d", IB_DEVICE_NAME_MAX
);
2219 ibdev
->ib_dev
.owner
= THIS_MODULE
;
2220 ibdev
->ib_dev
.node_type
= RDMA_NODE_IB_CA
;
2221 ibdev
->ib_dev
.local_dma_lkey
= dev
->caps
.reserved_lkey
;
2222 ibdev
->num_ports
= num_ports
;
2223 ibdev
->ib_dev
.phys_port_cnt
= mlx4_is_bonded(dev
) ?
2224 1 : ibdev
->num_ports
;
2225 ibdev
->ib_dev
.num_comp_vectors
= dev
->caps
.num_comp_vectors
;
2226 ibdev
->ib_dev
.dma_device
= &dev
->persist
->pdev
->dev
;
2228 if (dev
->caps
.userspace_caps
)
2229 ibdev
->ib_dev
.uverbs_abi_ver
= MLX4_IB_UVERBS_ABI_VERSION
;
2231 ibdev
->ib_dev
.uverbs_abi_ver
= MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION
;
2233 ibdev
->ib_dev
.uverbs_cmd_mask
=
2234 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT
) |
2235 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE
) |
2236 (1ull << IB_USER_VERBS_CMD_QUERY_PORT
) |
2237 (1ull << IB_USER_VERBS_CMD_ALLOC_PD
) |
2238 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD
) |
2239 (1ull << IB_USER_VERBS_CMD_REG_MR
) |
2240 (1ull << IB_USER_VERBS_CMD_REREG_MR
) |
2241 (1ull << IB_USER_VERBS_CMD_DEREG_MR
) |
2242 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL
) |
2243 (1ull << IB_USER_VERBS_CMD_CREATE_CQ
) |
2244 (1ull << IB_USER_VERBS_CMD_RESIZE_CQ
) |
2245 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ
) |
2246 (1ull << IB_USER_VERBS_CMD_CREATE_QP
) |
2247 (1ull << IB_USER_VERBS_CMD_MODIFY_QP
) |
2248 (1ull << IB_USER_VERBS_CMD_QUERY_QP
) |
2249 (1ull << IB_USER_VERBS_CMD_DESTROY_QP
) |
2250 (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST
) |
2251 (1ull << IB_USER_VERBS_CMD_DETACH_MCAST
) |
2252 (1ull << IB_USER_VERBS_CMD_CREATE_SRQ
) |
2253 (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ
) |
2254 (1ull << IB_USER_VERBS_CMD_QUERY_SRQ
) |
2255 (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ
) |
2256 (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ
) |
2257 (1ull << IB_USER_VERBS_CMD_OPEN_QP
);
2259 ibdev
->ib_dev
.query_device
= mlx4_ib_query_device
;
2260 ibdev
->ib_dev
.query_port
= mlx4_ib_query_port
;
2261 ibdev
->ib_dev
.get_link_layer
= mlx4_ib_port_link_layer
;
2262 ibdev
->ib_dev
.query_gid
= mlx4_ib_query_gid
;
2263 ibdev
->ib_dev
.query_pkey
= mlx4_ib_query_pkey
;
2264 ibdev
->ib_dev
.modify_device
= mlx4_ib_modify_device
;
2265 ibdev
->ib_dev
.modify_port
= mlx4_ib_modify_port
;
2266 ibdev
->ib_dev
.alloc_ucontext
= mlx4_ib_alloc_ucontext
;
2267 ibdev
->ib_dev
.dealloc_ucontext
= mlx4_ib_dealloc_ucontext
;
2268 ibdev
->ib_dev
.mmap
= mlx4_ib_mmap
;
2269 ibdev
->ib_dev
.alloc_pd
= mlx4_ib_alloc_pd
;
2270 ibdev
->ib_dev
.dealloc_pd
= mlx4_ib_dealloc_pd
;
2271 ibdev
->ib_dev
.create_ah
= mlx4_ib_create_ah
;
2272 ibdev
->ib_dev
.query_ah
= mlx4_ib_query_ah
;
2273 ibdev
->ib_dev
.destroy_ah
= mlx4_ib_destroy_ah
;
2274 ibdev
->ib_dev
.create_srq
= mlx4_ib_create_srq
;
2275 ibdev
->ib_dev
.modify_srq
= mlx4_ib_modify_srq
;
2276 ibdev
->ib_dev
.query_srq
= mlx4_ib_query_srq
;
2277 ibdev
->ib_dev
.destroy_srq
= mlx4_ib_destroy_srq
;
2278 ibdev
->ib_dev
.post_srq_recv
= mlx4_ib_post_srq_recv
;
2279 ibdev
->ib_dev
.create_qp
= mlx4_ib_create_qp
;
2280 ibdev
->ib_dev
.modify_qp
= mlx4_ib_modify_qp
;
2281 ibdev
->ib_dev
.query_qp
= mlx4_ib_query_qp
;
2282 ibdev
->ib_dev
.destroy_qp
= mlx4_ib_destroy_qp
;
2283 ibdev
->ib_dev
.post_send
= mlx4_ib_post_send
;
2284 ibdev
->ib_dev
.post_recv
= mlx4_ib_post_recv
;
2285 ibdev
->ib_dev
.create_cq
= mlx4_ib_create_cq
;
2286 ibdev
->ib_dev
.modify_cq
= mlx4_ib_modify_cq
;
2287 ibdev
->ib_dev
.resize_cq
= mlx4_ib_resize_cq
;
2288 ibdev
->ib_dev
.destroy_cq
= mlx4_ib_destroy_cq
;
2289 ibdev
->ib_dev
.poll_cq
= mlx4_ib_poll_cq
;
2290 ibdev
->ib_dev
.req_notify_cq
= mlx4_ib_arm_cq
;
2291 ibdev
->ib_dev
.get_dma_mr
= mlx4_ib_get_dma_mr
;
2292 ibdev
->ib_dev
.reg_user_mr
= mlx4_ib_reg_user_mr
;
2293 ibdev
->ib_dev
.rereg_user_mr
= mlx4_ib_rereg_user_mr
;
2294 ibdev
->ib_dev
.dereg_mr
= mlx4_ib_dereg_mr
;
2295 ibdev
->ib_dev
.alloc_fast_reg_mr
= mlx4_ib_alloc_fast_reg_mr
;
2296 ibdev
->ib_dev
.alloc_fast_reg_page_list
= mlx4_ib_alloc_fast_reg_page_list
;
2297 ibdev
->ib_dev
.free_fast_reg_page_list
= mlx4_ib_free_fast_reg_page_list
;
2298 ibdev
->ib_dev
.attach_mcast
= mlx4_ib_mcg_attach
;
2299 ibdev
->ib_dev
.detach_mcast
= mlx4_ib_mcg_detach
;
2300 ibdev
->ib_dev
.process_mad
= mlx4_ib_process_mad
;
2301 ibdev
->ib_dev
.get_port_immutable
= mlx4_port_immutable
;
2303 if (!mlx4_is_slave(ibdev
->dev
)) {
2304 ibdev
->ib_dev
.alloc_fmr
= mlx4_ib_fmr_alloc
;
2305 ibdev
->ib_dev
.map_phys_fmr
= mlx4_ib_map_phys_fmr
;
2306 ibdev
->ib_dev
.unmap_fmr
= mlx4_ib_unmap_fmr
;
2307 ibdev
->ib_dev
.dealloc_fmr
= mlx4_ib_fmr_dealloc
;
2310 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_MEM_WINDOW
||
2311 dev
->caps
.bmme_flags
& MLX4_BMME_FLAG_TYPE_2_WIN
) {
2312 ibdev
->ib_dev
.alloc_mw
= mlx4_ib_alloc_mw
;
2313 ibdev
->ib_dev
.bind_mw
= mlx4_ib_bind_mw
;
2314 ibdev
->ib_dev
.dealloc_mw
= mlx4_ib_dealloc_mw
;
2316 ibdev
->ib_dev
.uverbs_cmd_mask
|=
2317 (1ull << IB_USER_VERBS_CMD_ALLOC_MW
) |
2318 (1ull << IB_USER_VERBS_CMD_DEALLOC_MW
);
2321 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_XRC
) {
2322 ibdev
->ib_dev
.alloc_xrcd
= mlx4_ib_alloc_xrcd
;
2323 ibdev
->ib_dev
.dealloc_xrcd
= mlx4_ib_dealloc_xrcd
;
2324 ibdev
->ib_dev
.uverbs_cmd_mask
|=
2325 (1ull << IB_USER_VERBS_CMD_OPEN_XRCD
) |
2326 (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD
);
2329 if (check_flow_steering_support(dev
)) {
2330 ibdev
->steering_support
= MLX4_STEERING_MODE_DEVICE_MANAGED
;
2331 ibdev
->ib_dev
.create_flow
= mlx4_ib_create_flow
;
2332 ibdev
->ib_dev
.destroy_flow
= mlx4_ib_destroy_flow
;
2334 ibdev
->ib_dev
.uverbs_ex_cmd_mask
|=
2335 (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW
) |
2336 (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW
);
2339 ibdev
->ib_dev
.uverbs_ex_cmd_mask
|=
2340 (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE
) |
2341 (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ
);
2343 mlx4_ib_alloc_eqs(dev
, ibdev
);
2345 spin_lock_init(&iboe
->lock
);
2347 if (init_node_data(ibdev
))
2350 num_req_counters
= mlx4_is_bonded(dev
) ? 1 : ibdev
->num_ports
;
2351 for (i
= 0; i
< num_req_counters
; ++i
) {
2352 mutex_init(&ibdev
->qp1_proxy_lock
[i
]);
2354 if (mlx4_ib_port_link_layer(&ibdev
->ib_dev
, i
+ 1) ==
2355 IB_LINK_LAYER_ETHERNET
) {
2356 err
= mlx4_counter_alloc(ibdev
->dev
, &counter_index
);
2357 /* if failed to allocate a new counter, use default */
2360 mlx4_get_default_counter_index(dev
,
2364 } else { /* IB_LINK_LAYER_INFINIBAND use the default counter */
2365 counter_index
= mlx4_get_default_counter_index(dev
,
2368 ibdev
->counters
[i
].index
= counter_index
;
2369 ibdev
->counters
[i
].allocated
= allocated
;
2370 pr_info("counter index %d for port %d allocated %d\n",
2371 counter_index
, i
+ 1, allocated
);
2373 if (mlx4_is_bonded(dev
))
2374 for (i
= 1; i
< ibdev
->num_ports
; ++i
) {
2375 ibdev
->counters
[i
].index
= ibdev
->counters
[0].index
;
2376 ibdev
->counters
[i
].allocated
= 0;
2379 mlx4_foreach_port(i
, dev
, MLX4_PORT_TYPE_IB
)
2382 spin_lock_init(&ibdev
->sm_lock
);
2383 mutex_init(&ibdev
->cap_mask_mutex
);
2384 INIT_LIST_HEAD(&ibdev
->qp_list
);
2385 spin_lock_init(&ibdev
->reset_flow_resource_lock
);
2387 if (ibdev
->steering_support
== MLX4_STEERING_MODE_DEVICE_MANAGED
&&
2389 ibdev
->steer_qpn_count
= MLX4_IB_UC_MAX_NUM_QPS
;
2390 err
= mlx4_qp_reserve_range(dev
, ibdev
->steer_qpn_count
,
2391 MLX4_IB_UC_STEER_QPN_ALIGN
,
2392 &ibdev
->steer_qpn_base
, 0);
2396 ibdev
->ib_uc_qpns_bitmap
=
2397 kmalloc(BITS_TO_LONGS(ibdev
->steer_qpn_count
) *
2400 if (!ibdev
->ib_uc_qpns_bitmap
) {
2401 dev_err(&dev
->persist
->pdev
->dev
,
2402 "bit map alloc failed\n");
2403 goto err_steer_qp_release
;
2406 bitmap_zero(ibdev
->ib_uc_qpns_bitmap
, ibdev
->steer_qpn_count
);
2408 err
= mlx4_FLOW_STEERING_IB_UC_QP_RANGE(
2409 dev
, ibdev
->steer_qpn_base
,
2410 ibdev
->steer_qpn_base
+
2411 ibdev
->steer_qpn_count
- 1);
2413 goto err_steer_free_bitmap
;
2416 for (j
= 1; j
<= ibdev
->dev
->caps
.num_ports
; j
++)
2417 atomic64_set(&iboe
->mac
[j
- 1], ibdev
->dev
->caps
.def_mac
[j
]);
2419 if (ib_register_device(&ibdev
->ib_dev
, NULL
))
2420 goto err_steer_free_bitmap
;
2422 if (mlx4_ib_mad_init(ibdev
))
2425 if (mlx4_ib_init_sriov(ibdev
))
2428 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_IBOE
) {
2429 if (!iboe
->nb
.notifier_call
) {
2430 iboe
->nb
.notifier_call
= mlx4_ib_netdev_event
;
2431 err
= register_netdevice_notifier(&iboe
->nb
);
2433 iboe
->nb
.notifier_call
= NULL
;
2437 if (!iboe
->nb_inet
.notifier_call
) {
2438 iboe
->nb_inet
.notifier_call
= mlx4_ib_inet_event
;
2439 err
= register_inetaddr_notifier(&iboe
->nb_inet
);
2441 iboe
->nb_inet
.notifier_call
= NULL
;
2445 #if IS_ENABLED(CONFIG_IPV6)
2446 if (!iboe
->nb_inet6
.notifier_call
) {
2447 iboe
->nb_inet6
.notifier_call
= mlx4_ib_inet6_event
;
2448 err
= register_inet6addr_notifier(&iboe
->nb_inet6
);
2450 iboe
->nb_inet6
.notifier_call
= NULL
;
2455 if (mlx4_ib_init_gid_table(ibdev
))
2459 for (j
= 0; j
< ARRAY_SIZE(mlx4_class_attributes
); ++j
) {
2460 if (device_create_file(&ibdev
->ib_dev
.dev
,
2461 mlx4_class_attributes
[j
]))
2465 ibdev
->ib_active
= true;
2467 if (mlx4_is_mfunc(ibdev
->dev
))
2470 /* create paravirt contexts for any VFs which are active */
2471 if (mlx4_is_master(ibdev
->dev
)) {
2472 for (j
= 0; j
< MLX4_MFUNC_MAX
; j
++) {
2473 if (j
== mlx4_master_func_num(ibdev
->dev
))
2475 if (mlx4_is_slave_active(ibdev
->dev
, j
))
2476 do_slave_init(ibdev
, j
, 1);
2482 if (ibdev
->iboe
.nb
.notifier_call
) {
2483 if (unregister_netdevice_notifier(&ibdev
->iboe
.nb
))
2484 pr_warn("failure unregistering notifier\n");
2485 ibdev
->iboe
.nb
.notifier_call
= NULL
;
2487 if (ibdev
->iboe
.nb_inet
.notifier_call
) {
2488 if (unregister_inetaddr_notifier(&ibdev
->iboe
.nb_inet
))
2489 pr_warn("failure unregistering notifier\n");
2490 ibdev
->iboe
.nb_inet
.notifier_call
= NULL
;
2492 #if IS_ENABLED(CONFIG_IPV6)
2493 if (ibdev
->iboe
.nb_inet6
.notifier_call
) {
2494 if (unregister_inet6addr_notifier(&ibdev
->iboe
.nb_inet6
))
2495 pr_warn("failure unregistering notifier\n");
2496 ibdev
->iboe
.nb_inet6
.notifier_call
= NULL
;
2499 flush_workqueue(wq
);
2501 mlx4_ib_close_sriov(ibdev
);
2504 mlx4_ib_mad_cleanup(ibdev
);
2507 ib_unregister_device(&ibdev
->ib_dev
);
2509 err_steer_free_bitmap
:
2510 kfree(ibdev
->ib_uc_qpns_bitmap
);
2512 err_steer_qp_release
:
2513 if (ibdev
->steering_support
== MLX4_STEERING_MODE_DEVICE_MANAGED
)
2514 mlx4_qp_release_range(dev
, ibdev
->steer_qpn_base
,
2515 ibdev
->steer_qpn_count
);
2517 for (i
= 0; i
< ibdev
->num_ports
; ++i
) {
2518 if (ibdev
->counters
[i
].index
!= -1 &&
2519 ibdev
->counters
[i
].allocated
)
2520 mlx4_counter_free(ibdev
->dev
,
2521 ibdev
->counters
[i
].index
);
2524 iounmap(ibdev
->uar_map
);
2527 mlx4_uar_free(dev
, &ibdev
->priv_uar
);
2530 mlx4_pd_free(dev
, ibdev
->priv_pdn
);
2533 ib_dealloc_device(&ibdev
->ib_dev
);
2538 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev
*dev
, int count
, int *qpn
)
2542 WARN_ON(!dev
->ib_uc_qpns_bitmap
);
2544 offset
= bitmap_find_free_region(dev
->ib_uc_qpns_bitmap
,
2545 dev
->steer_qpn_count
,
2546 get_count_order(count
));
2550 *qpn
= dev
->steer_qpn_base
+ offset
;
2554 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev
*dev
, u32 qpn
, int count
)
2557 dev
->steering_support
!= MLX4_STEERING_MODE_DEVICE_MANAGED
)
2560 BUG_ON(qpn
< dev
->steer_qpn_base
);
2562 bitmap_release_region(dev
->ib_uc_qpns_bitmap
,
2563 qpn
- dev
->steer_qpn_base
,
2564 get_count_order(count
));
2567 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev
*mdev
, struct mlx4_ib_qp
*mqp
,
2572 struct ib_flow_attr
*flow
= NULL
;
2573 struct ib_flow_spec_ib
*ib_spec
;
2576 flow_size
= sizeof(struct ib_flow_attr
) +
2577 sizeof(struct ib_flow_spec_ib
);
2578 flow
= kzalloc(flow_size
, GFP_KERNEL
);
2581 flow
->port
= mqp
->port
;
2582 flow
->num_of_specs
= 1;
2583 flow
->size
= flow_size
;
2584 ib_spec
= (struct ib_flow_spec_ib
*)(flow
+ 1);
2585 ib_spec
->type
= IB_FLOW_SPEC_IB
;
2586 ib_spec
->size
= sizeof(struct ib_flow_spec_ib
);
2587 /* Add an empty rule for IB L2 */
2588 memset(&ib_spec
->mask
, 0, sizeof(ib_spec
->mask
));
2590 err
= __mlx4_ib_create_flow(&mqp
->ibqp
, flow
,
2595 err
= __mlx4_ib_destroy_flow(mdev
->dev
, mqp
->reg_id
);
2601 static void mlx4_ib_remove(struct mlx4_dev
*dev
, void *ibdev_ptr
)
2603 struct mlx4_ib_dev
*ibdev
= ibdev_ptr
;
2606 ibdev
->ib_active
= false;
2607 flush_workqueue(wq
);
2609 mlx4_ib_close_sriov(ibdev
);
2610 mlx4_ib_mad_cleanup(ibdev
);
2611 ib_unregister_device(&ibdev
->ib_dev
);
2612 if (ibdev
->iboe
.nb
.notifier_call
) {
2613 if (unregister_netdevice_notifier(&ibdev
->iboe
.nb
))
2614 pr_warn("failure unregistering notifier\n");
2615 ibdev
->iboe
.nb
.notifier_call
= NULL
;
2618 if (ibdev
->steering_support
== MLX4_STEERING_MODE_DEVICE_MANAGED
) {
2619 mlx4_qp_release_range(dev
, ibdev
->steer_qpn_base
,
2620 ibdev
->steer_qpn_count
);
2621 kfree(ibdev
->ib_uc_qpns_bitmap
);
2624 if (ibdev
->iboe
.nb_inet
.notifier_call
) {
2625 if (unregister_inetaddr_notifier(&ibdev
->iboe
.nb_inet
))
2626 pr_warn("failure unregistering notifier\n");
2627 ibdev
->iboe
.nb_inet
.notifier_call
= NULL
;
2629 #if IS_ENABLED(CONFIG_IPV6)
2630 if (ibdev
->iboe
.nb_inet6
.notifier_call
) {
2631 if (unregister_inet6addr_notifier(&ibdev
->iboe
.nb_inet6
))
2632 pr_warn("failure unregistering notifier\n");
2633 ibdev
->iboe
.nb_inet6
.notifier_call
= NULL
;
2637 iounmap(ibdev
->uar_map
);
2638 for (p
= 0; p
< ibdev
->num_ports
; ++p
)
2639 if (ibdev
->counters
[p
].index
!= -1 &&
2640 ibdev
->counters
[p
].allocated
)
2641 mlx4_counter_free(ibdev
->dev
, ibdev
->counters
[p
].index
);
2642 mlx4_foreach_port(p
, dev
, MLX4_PORT_TYPE_IB
)
2643 mlx4_CLOSE_PORT(dev
, p
);
2645 mlx4_ib_free_eqs(dev
, ibdev
);
2647 mlx4_uar_free(dev
, &ibdev
->priv_uar
);
2648 mlx4_pd_free(dev
, ibdev
->priv_pdn
);
2649 ib_dealloc_device(&ibdev
->ib_dev
);
2652 static void do_slave_init(struct mlx4_ib_dev
*ibdev
, int slave
, int do_init
)
2654 struct mlx4_ib_demux_work
**dm
= NULL
;
2655 struct mlx4_dev
*dev
= ibdev
->dev
;
2657 unsigned long flags
;
2658 struct mlx4_active_ports actv_ports
;
2660 unsigned int first_port
;
2662 if (!mlx4_is_master(dev
))
2665 actv_ports
= mlx4_get_active_ports(dev
, slave
);
2666 ports
= bitmap_weight(actv_ports
.ports
, dev
->caps
.num_ports
);
2667 first_port
= find_first_bit(actv_ports
.ports
, dev
->caps
.num_ports
);
2669 dm
= kcalloc(ports
, sizeof(*dm
), GFP_ATOMIC
);
2671 pr_err("failed to allocate memory for tunneling qp update\n");
2675 for (i
= 0; i
< ports
; i
++) {
2676 dm
[i
] = kmalloc(sizeof (struct mlx4_ib_demux_work
), GFP_ATOMIC
);
2678 pr_err("failed to allocate memory for tunneling qp update work struct\n");
2679 for (i
= 0; i
< dev
->caps
.num_ports
; i
++) {
2686 /* initialize or tear down tunnel QPs for the slave */
2687 for (i
= 0; i
< ports
; i
++) {
2688 INIT_WORK(&dm
[i
]->work
, mlx4_ib_tunnels_update_work
);
2689 dm
[i
]->port
= first_port
+ i
+ 1;
2690 dm
[i
]->slave
= slave
;
2691 dm
[i
]->do_init
= do_init
;
2693 spin_lock_irqsave(&ibdev
->sriov
.going_down_lock
, flags
);
2694 if (!ibdev
->sriov
.is_going_down
)
2695 queue_work(ibdev
->sriov
.demux
[i
].ud_wq
, &dm
[i
]->work
);
2696 spin_unlock_irqrestore(&ibdev
->sriov
.going_down_lock
, flags
);
2703 static void mlx4_ib_handle_catas_error(struct mlx4_ib_dev
*ibdev
)
2705 struct mlx4_ib_qp
*mqp
;
2706 unsigned long flags_qp
;
2707 unsigned long flags_cq
;
2708 struct mlx4_ib_cq
*send_mcq
, *recv_mcq
;
2709 struct list_head cq_notify_list
;
2710 struct mlx4_cq
*mcq
;
2711 unsigned long flags
;
2713 pr_warn("mlx4_ib_handle_catas_error was started\n");
2714 INIT_LIST_HEAD(&cq_notify_list
);
2716 /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/
2717 spin_lock_irqsave(&ibdev
->reset_flow_resource_lock
, flags
);
2719 list_for_each_entry(mqp
, &ibdev
->qp_list
, qps_list
) {
2720 spin_lock_irqsave(&mqp
->sq
.lock
, flags_qp
);
2721 if (mqp
->sq
.tail
!= mqp
->sq
.head
) {
2722 send_mcq
= to_mcq(mqp
->ibqp
.send_cq
);
2723 spin_lock_irqsave(&send_mcq
->lock
, flags_cq
);
2724 if (send_mcq
->mcq
.comp
&&
2725 mqp
->ibqp
.send_cq
->comp_handler
) {
2726 if (!send_mcq
->mcq
.reset_notify_added
) {
2727 send_mcq
->mcq
.reset_notify_added
= 1;
2728 list_add_tail(&send_mcq
->mcq
.reset_notify
,
2732 spin_unlock_irqrestore(&send_mcq
->lock
, flags_cq
);
2734 spin_unlock_irqrestore(&mqp
->sq
.lock
, flags_qp
);
2735 /* Now, handle the QP's receive queue */
2736 spin_lock_irqsave(&mqp
->rq
.lock
, flags_qp
);
2737 /* no handling is needed for SRQ */
2738 if (!mqp
->ibqp
.srq
) {
2739 if (mqp
->rq
.tail
!= mqp
->rq
.head
) {
2740 recv_mcq
= to_mcq(mqp
->ibqp
.recv_cq
);
2741 spin_lock_irqsave(&recv_mcq
->lock
, flags_cq
);
2742 if (recv_mcq
->mcq
.comp
&&
2743 mqp
->ibqp
.recv_cq
->comp_handler
) {
2744 if (!recv_mcq
->mcq
.reset_notify_added
) {
2745 recv_mcq
->mcq
.reset_notify_added
= 1;
2746 list_add_tail(&recv_mcq
->mcq
.reset_notify
,
2750 spin_unlock_irqrestore(&recv_mcq
->lock
,
2754 spin_unlock_irqrestore(&mqp
->rq
.lock
, flags_qp
);
2757 list_for_each_entry(mcq
, &cq_notify_list
, reset_notify
) {
2760 spin_unlock_irqrestore(&ibdev
->reset_flow_resource_lock
, flags
);
2761 pr_warn("mlx4_ib_handle_catas_error ended\n");
2764 static void handle_bonded_port_state_event(struct work_struct
*work
)
2766 struct ib_event_work
*ew
=
2767 container_of(work
, struct ib_event_work
, work
);
2768 struct mlx4_ib_dev
*ibdev
= ew
->ib_dev
;
2769 enum ib_port_state bonded_port_state
= IB_PORT_NOP
;
2771 struct ib_event ibev
;
2774 spin_lock_bh(&ibdev
->iboe
.lock
);
2775 for (i
= 0; i
< MLX4_MAX_PORTS
; ++i
) {
2776 struct net_device
*curr_netdev
= ibdev
->iboe
.netdevs
[i
];
2777 enum ib_port_state curr_port_state
;
2783 (netif_running(curr_netdev
) &&
2784 netif_carrier_ok(curr_netdev
)) ?
2785 IB_PORT_ACTIVE
: IB_PORT_DOWN
;
2787 bonded_port_state
= (bonded_port_state
!= IB_PORT_ACTIVE
) ?
2788 curr_port_state
: IB_PORT_ACTIVE
;
2790 spin_unlock_bh(&ibdev
->iboe
.lock
);
2792 ibev
.device
= &ibdev
->ib_dev
;
2793 ibev
.element
.port_num
= 1;
2794 ibev
.event
= (bonded_port_state
== IB_PORT_ACTIVE
) ?
2795 IB_EVENT_PORT_ACTIVE
: IB_EVENT_PORT_ERR
;
2797 ib_dispatch_event(&ibev
);
2800 static void mlx4_ib_event(struct mlx4_dev
*dev
, void *ibdev_ptr
,
2801 enum mlx4_dev_event event
, unsigned long param
)
2803 struct ib_event ibev
;
2804 struct mlx4_ib_dev
*ibdev
= to_mdev((struct ib_device
*) ibdev_ptr
);
2805 struct mlx4_eqe
*eqe
= NULL
;
2806 struct ib_event_work
*ew
;
2809 if (mlx4_is_bonded(dev
) &&
2810 ((event
== MLX4_DEV_EVENT_PORT_UP
) ||
2811 (event
== MLX4_DEV_EVENT_PORT_DOWN
))) {
2812 ew
= kmalloc(sizeof(*ew
), GFP_ATOMIC
);
2815 INIT_WORK(&ew
->work
, handle_bonded_port_state_event
);
2817 queue_work(wq
, &ew
->work
);
2821 if (event
== MLX4_DEV_EVENT_PORT_MGMT_CHANGE
)
2822 eqe
= (struct mlx4_eqe
*)param
;
2827 case MLX4_DEV_EVENT_PORT_UP
:
2828 if (p
> ibdev
->num_ports
)
2830 if (mlx4_is_master(dev
) &&
2831 rdma_port_get_link_layer(&ibdev
->ib_dev
, p
) ==
2832 IB_LINK_LAYER_INFINIBAND
) {
2833 mlx4_ib_invalidate_all_guid_record(ibdev
, p
);
2835 ibev
.event
= IB_EVENT_PORT_ACTIVE
;
2838 case MLX4_DEV_EVENT_PORT_DOWN
:
2839 if (p
> ibdev
->num_ports
)
2841 ibev
.event
= IB_EVENT_PORT_ERR
;
2844 case MLX4_DEV_EVENT_CATASTROPHIC_ERROR
:
2845 ibdev
->ib_active
= false;
2846 ibev
.event
= IB_EVENT_DEVICE_FATAL
;
2847 mlx4_ib_handle_catas_error(ibdev
);
2850 case MLX4_DEV_EVENT_PORT_MGMT_CHANGE
:
2851 ew
= kmalloc(sizeof *ew
, GFP_ATOMIC
);
2853 pr_err("failed to allocate memory for events work\n");
2857 INIT_WORK(&ew
->work
, handle_port_mgmt_change_event
);
2858 memcpy(&ew
->ib_eqe
, eqe
, sizeof *eqe
);
2860 /* need to queue only for port owner, which uses GEN_EQE */
2861 if (mlx4_is_master(dev
))
2862 queue_work(wq
, &ew
->work
);
2864 handle_port_mgmt_change_event(&ew
->work
);
2867 case MLX4_DEV_EVENT_SLAVE_INIT
:
2868 /* here, p is the slave id */
2869 do_slave_init(ibdev
, p
, 1);
2870 if (mlx4_is_master(dev
)) {
2873 for (i
= 1; i
<= ibdev
->num_ports
; i
++) {
2874 if (rdma_port_get_link_layer(&ibdev
->ib_dev
, i
)
2875 == IB_LINK_LAYER_INFINIBAND
)
2876 mlx4_ib_slave_alias_guid_event(ibdev
,
2883 case MLX4_DEV_EVENT_SLAVE_SHUTDOWN
:
2884 if (mlx4_is_master(dev
)) {
2887 for (i
= 1; i
<= ibdev
->num_ports
; i
++) {
2888 if (rdma_port_get_link_layer(&ibdev
->ib_dev
, i
)
2889 == IB_LINK_LAYER_INFINIBAND
)
2890 mlx4_ib_slave_alias_guid_event(ibdev
,
2895 /* here, p is the slave id */
2896 do_slave_init(ibdev
, p
, 0);
2903 ibev
.device
= ibdev_ptr
;
2904 ibev
.element
.port_num
= mlx4_is_bonded(ibdev
->dev
) ? 1 : (u8
)p
;
2906 ib_dispatch_event(&ibev
);
2909 static struct mlx4_interface mlx4_ib_interface
= {
2911 .remove
= mlx4_ib_remove
,
2912 .event
= mlx4_ib_event
,
2913 .protocol
= MLX4_PROT_IB_IPV6
,
2914 .flags
= MLX4_INTFF_BONDING
2917 static int __init
mlx4_ib_init(void)
2921 wq
= create_singlethread_workqueue("mlx4_ib");
2925 err
= mlx4_ib_mcg_init();
2929 err
= mlx4_register_interface(&mlx4_ib_interface
);
2936 mlx4_ib_mcg_destroy();
2939 destroy_workqueue(wq
);
2943 static void __exit
mlx4_ib_cleanup(void)
2945 mlx4_unregister_interface(&mlx4_ib_interface
);
2946 mlx4_ib_mcg_destroy();
2947 destroy_workqueue(wq
);
2950 module_init(mlx4_ib_init
);
2951 module_exit(mlx4_ib_cleanup
);