blob: 8be6db81646049a741abebe1c4ab982fad7e6011 [file] [log] [blame]
Roland Dreier225c7b12007-05-08 18:00:38 -07001/*
2 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
Jack Morgenstein51a379d2008-07-25 10:32:52 -07003 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
Roland Dreier225c7b12007-05-08 18:00:38 -07004 *
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:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
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.
23 *
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
31 * SOFTWARE.
32 */
33
34#include <linux/module.h>
35#include <linux/init.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090036#include <linux/slab.h>
Roland Dreier225c7b12007-05-08 18:00:38 -070037#include <linux/errno.h>
Eli Cohenfa417f72010-10-24 21:08:52 -070038#include <linux/netdevice.h>
39#include <linux/inetdevice.h>
40#include <linux/rtnetlink.h>
Eli Cohen4c3eb3c2010-08-26 17:19:22 +030041#include <linux/if_vlan.h>
Moni Shouad487ee72013-12-12 18:03:13 +020042#include <net/ipv6.h>
43#include <net/addrconf.h>
Roland Dreier225c7b12007-05-08 18:00:38 -070044
45#include <rdma/ib_smi.h>
46#include <rdma/ib_user_verbs.h>
Eli Cohenfa417f72010-10-24 21:08:52 -070047#include <rdma/ib_addr.h>
Roland Dreier225c7b12007-05-08 18:00:38 -070048
49#include <linux/mlx4/driver.h>
50#include <linux/mlx4/cmd.h>
Matan Barak9433c182014-05-15 15:29:28 +030051#include <linux/mlx4/qp.h>
Roland Dreier225c7b12007-05-08 18:00:38 -070052
53#include "mlx4_ib.h"
54#include "user.h"
55
Jack Morgensteinb1d8eb52012-06-19 11:21:35 +030056#define DRV_NAME MLX4_IB_DRV_NAME
Amir Vadai169a1d82014-02-19 17:47:31 +020057#define DRV_VERSION "2.2-1"
58#define DRV_RELDATE "Feb 2014"
Roland Dreier225c7b12007-05-08 18:00:38 -070059
Hadar Hen Zionf77c0162013-08-14 13:58:31 +030060#define MLX4_IB_FLOW_MAX_PRIO 0xFFF
Matan Baraka37a1a42013-11-07 15:25:16 +020061#define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF
Markus Stockhausen50e2ec92014-08-13 14:07:30 +000062#define MLX4_IB_CARD_REV_A0 0xA0
Hadar Hen Zionf77c0162013-08-14 13:58:31 +030063
Roland Dreier225c7b12007-05-08 18:00:38 -070064MODULE_AUTHOR("Roland Dreier");
65MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver");
66MODULE_LICENSE("Dual BSD/GPL");
67MODULE_VERSION(DRV_VERSION);
68
Yishai Hadas56c1d232015-02-12 09:49:43 +020069int mlx4_ib_sm_guid_assign = 0;
Jack Morgensteina0c64a12012-08-03 08:40:49 +000070module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444);
Yishai Hadas56c1d232015-02-12 09:49:43 +020071MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 0)");
Jack Morgensteina0c64a12012-08-03 08:40:49 +000072
Roland Dreier68f39482008-02-04 20:20:44 -080073static const char mlx4_ib_version[] =
Roland Dreier225c7b12007-05-08 18:00:38 -070074 DRV_NAME ": Mellanox ConnectX InfiniBand driver v"
75 DRV_VERSION " (" DRV_RELDATE ")\n";
76
Eli Cohenfa417f72010-10-24 21:08:52 -070077struct update_gid_work {
78 struct work_struct work;
79 union ib_gid gids[128];
80 struct mlx4_ib_dev *dev;
81 int port;
82};
83
Jack Morgenstein3806d082012-08-03 08:40:58 +000084static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init);
85
Eli Cohenfa417f72010-10-24 21:08:52 -070086static struct workqueue_struct *wq;
87
Roland Dreier225c7b12007-05-08 18:00:38 -070088static void init_query_mad(struct ib_smp *mad)
89{
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;
94}
95
Eli Cohen4c3eb3c2010-08-26 17:19:22 +030096static union ib_gid zgid;
97
Hadar Hen Zionf77c0162013-08-14 13:58:31 +030098static int check_flow_steering_support(struct mlx4_dev *dev)
99{
Matan Barak0a9b7d52013-11-07 15:25:15 +0200100 int eth_num_ports = 0;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300101 int ib_num_ports = 0;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300102
Matan Barak0a9b7d52013-11-07 15:25:15 +0200103 int dmfs = dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300104
Matan Barak0a9b7d52013-11-07 15:25:15 +0200105 if (dmfs) {
106 int i;
107 mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
108 eth_num_ports++;
109 mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
110 ib_num_ports++;
111 dmfs &= (!ib_num_ports ||
112 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB)) &&
113 (!eth_num_ports ||
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");
117 dmfs = 0;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300118 }
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300119 }
Matan Barak0a9b7d52013-11-07 15:25:15 +0200120 return dmfs;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300121}
122
Jack Morgenstein3dec4872014-09-11 14:11:19 +0300123static int num_ib_ports(struct mlx4_dev *dev)
124{
125 int ib_ports = 0;
126 int i;
127
128 mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
129 ib_ports++;
130
131 return ib_ports;
132}
133
Roland Dreier225c7b12007-05-08 18:00:38 -0700134static int mlx4_ib_query_device(struct ib_device *ibdev,
Matan Barak2528e332015-06-11 16:35:25 +0300135 struct ib_device_attr *props,
136 struct ib_udata *uhw)
Roland Dreier225c7b12007-05-08 18:00:38 -0700137{
138 struct mlx4_ib_dev *dev = to_mdev(ibdev);
139 struct ib_smp *in_mad = NULL;
140 struct ib_smp *out_mad = NULL;
141 int err = -ENOMEM;
Jack Morgenstein3dec4872014-09-11 14:11:19 +0300142 int have_ib_ports;
Matan Barak4b664c42015-06-11 16:35:27 +0300143 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;
Roland Dreier225c7b12007-05-08 18:00:38 -0700146
Matan Barak4b664c42015-06-11 16:35:27 +0300147 if (uhw->inlen) {
148 if (uhw->inlen < sizeof(cmd))
149 return -EINVAL;
Matan Barak2528e332015-06-11 16:35:25 +0300150
Matan Barak4b664c42015-06-11 16:35:27 +0300151 err = ib_copy_from_udata(&cmd, uhw, sizeof(cmd));
152 if (err)
153 return err;
154
155 if (cmd.comp_mask)
156 return -EINVAL;
157
158 if (cmd.reserved)
159 return -EINVAL;
160 }
161
162 resp.response_length = offsetof(typeof(resp), response_length) +
163 sizeof(resp.response_length);
Roland Dreier225c7b12007-05-08 18:00:38 -0700164 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
165 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
166 if (!in_mad || !out_mad)
167 goto out;
168
169 init_query_mad(in_mad);
170 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
171
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000172 err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS,
173 1, NULL, NULL, in_mad, out_mad);
Roland Dreier225c7b12007-05-08 18:00:38 -0700174 if (err)
175 goto out;
176
177 memset(props, 0, sizeof *props);
178
Jack Morgenstein3dec4872014-09-11 14:11:19 +0300179 have_ib_ports = num_ib_ports(dev->dev);
180
Roland Dreier225c7b12007-05-08 18:00:38 -0700181 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 |
Ron Livne521e5752008-07-14 23:48:48 -0700185 IB_DEVICE_RC_RNR_NAK_GEN |
186 IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
Roland Dreier225c7b12007-05-08 18:00:38 -0700187 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;
Jack Morgenstein3dec4872014-09-11 14:11:19 +0300191 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM && have_ib_ports)
Roland Dreier225c7b12007-05-08 18:00:38 -0700192 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;
Eli Cohen8ff095e2008-04-16 21:01:10 -0700195 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
196 props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
Markus Stockhausen50e2ec92014-08-13 14:07:30 +0000197 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))
Eli Cohenb832be12008-04-16 21:09:27 -0700200 props->device_cap_flags |= IB_DEVICE_UD_TSO;
Roland Dreier95d04f02008-07-23 08:12:26 -0700201 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;
Sean Hefty0a1405d2011-06-02 11:32:15 -0700207 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)
208 props->device_cap_flags |= IB_DEVICE_XRC;
Shani Michaelib4253882013-02-06 16:19:16 +0000209 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;
214 else
215 props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A;
Matan Barak0a9b7d52013-11-07 15:25:15 +0200216 if (dev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED)
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300217 props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING;
Shani Michaelib4253882013-02-06 16:19:16 +0000218 }
Roland Dreier225c7b12007-05-08 18:00:38 -0700219
220 props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
221 0xffffff;
Yishai Hadas872bf2f2015-01-25 16:59:35 +0200222 props->vendor_part_id = dev->dev->persist->pdev->device;
Roland Dreier225c7b12007-05-08 18:00:38 -0700223 props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32));
224 memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
225
226 props->max_mr_size = ~0ull;
227 props->page_size_cap = dev->dev->caps.page_size_cap;
Jack Morgenstein5a0d0a62013-11-03 10:03:23 +0200228 props->max_qp = dev->dev->quotas.qp;
Sagi Grimbergfc2d0042012-05-24 16:08:08 +0300229 props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE;
Roland Dreier225c7b12007-05-08 18:00:38 -0700230 props->max_sge = min(dev->dev->caps.max_sq_sg,
231 dev->dev->caps.max_rq_sg);
Jack Morgenstein5a0d0a62013-11-03 10:03:23 +0200232 props->max_cq = dev->dev->quotas.cq;
Roland Dreier225c7b12007-05-08 18:00:38 -0700233 props->max_cqe = dev->dev->caps.max_cqes;
Jack Morgenstein5a0d0a62013-11-03 10:03:23 +0200234 props->max_mr = dev->dev->quotas.mpt;
Roland Dreier225c7b12007-05-08 18:00:38 -0700235 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;
Jack Morgenstein5a0d0a62013-11-03 10:03:23 +0200239 props->max_srq = dev->dev->quotas.srq;
Jack Morgensteinc8681f12007-06-21 13:39:10 -0700240 props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1;
Roland Dreier225c7b12007-05-08 18:00:38 -0700241 props->max_srq_sge = dev->dev->caps.max_srq_sge;
Eli Cohen5a0fd092010-10-07 16:24:16 +0200242 props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES;
Roland Dreier225c7b12007-05-08 18:00:38 -0700243 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;
Dotan Barak47e956b2012-07-11 15:39:29 +0000246 props->masked_atomic_cap = props->atomic_cap;
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700247 props->max_pkeys = dev->dev->caps.pkey_table_len[1];
Roland Dreier225c7b12007-05-08 18:00:38 -0700248 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;
Eli Cohena5bbe892012-02-09 18:10:06 +0200252 props->max_map_per_fmr = dev->dev->caps.max_fmr_maps;
Matan Barak4b664c42015-06-11 16:35:27 +0300253 props->hca_core_clock = dev->dev->caps.hca_core_clock * 1000UL;
254 props->timestamp_mask = 0xFFFFFFFFFFFFULL;
Roland Dreier225c7b12007-05-08 18:00:38 -0700255
Matan Barak8a7ff142015-07-01 14:31:02 +0300256 if (!mlx4_is_slave(dev->dev))
257 err = mlx4_get_internal_clock_params(dev->dev, &clock_params);
Matan Barak4b664c42015-06-11 16:35:27 +0300258
259 if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) {
Matan Barak4b664c42015-06-11 16:35:27 +0300260 resp.response_length += sizeof(resp.hca_core_clock_offset);
Matan Barak8a7ff142015-07-01 14:31:02 +0300261 if (!err && !mlx4_is_slave(dev->dev)) {
262 resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP;
263 resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE;
264 }
Matan Barak4b664c42015-06-11 16:35:27 +0300265 }
266
267 if (uhw->outlen) {
268 err = ib_copy_to_udata(uhw, &resp, resp.response_length);
269 if (err)
270 goto out;
271 }
Roland Dreier225c7b12007-05-08 18:00:38 -0700272out:
273 kfree(in_mad);
274 kfree(out_mad);
275
276 return err;
277}
278
Eli Cohenfa417f72010-10-24 21:08:52 -0700279static enum rdma_link_layer
280mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num)
281{
282 struct mlx4_dev *dev = to_mdev(device)->dev;
283
Jack Morgenstein65dab252011-12-13 04:10:41 +0000284 return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ?
Eli Cohenfa417f72010-10-24 21:08:52 -0700285 IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET;
286}
287
288static int ib_link_query_port(struct ib_device *ibdev, u8 port,
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000289 struct ib_port_attr *props, int netw_view)
Eli Cohenfa417f72010-10-24 21:08:52 -0700290{
Or Gerlitza9c766b2012-01-11 19:00:29 +0200291 struct ib_smp *in_mad = NULL;
292 struct ib_smp *out_mad = NULL;
Marcel Apfelbauma5e12df2011-10-03 19:04:20 +0300293 int ext_active_speed;
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000294 int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
Or Gerlitza9c766b2012-01-11 19:00:29 +0200295 int err = -ENOMEM;
296
297 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
298 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
299 if (!in_mad || !out_mad)
300 goto out;
301
302 init_query_mad(in_mad);
303 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
304 in_mad->attr_mod = cpu_to_be32(port);
305
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000306 if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view)
307 mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
308
309 err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL,
Or Gerlitza9c766b2012-01-11 19:00:29 +0200310 in_mad, out_mad);
311 if (err)
312 goto out;
313
Marcel Apfelbauma5e12df2011-10-03 19:04:20 +0300314
Eli Cohenfa417f72010-10-24 21:08:52 -0700315 props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16));
316 props->lmc = out_mad->data[34] & 0x7;
317 props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18));
318 props->sm_sl = out_mad->data[36] & 0xf;
319 props->state = out_mad->data[32] & 0xf;
320 props->phys_state = out_mad->data[33] >> 4;
321 props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20));
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000322 if (netw_view)
323 props->gid_tbl_len = out_mad->data[50];
324 else
325 props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port];
Eli Cohenfa417f72010-10-24 21:08:52 -0700326 props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz;
327 props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port];
328 props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46));
329 props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48));
330 props->active_width = out_mad->data[31] & 0xf;
331 props->active_speed = out_mad->data[35] >> 4;
332 props->max_mtu = out_mad->data[41] & 0xf;
333 props->active_mtu = out_mad->data[36] >> 4;
334 props->subnet_timeout = out_mad->data[51] & 0x1f;
335 props->max_vl_num = out_mad->data[37] >> 4;
336 props->init_type_reply = out_mad->data[41] >> 4;
337
Marcel Apfelbauma5e12df2011-10-03 19:04:20 +0300338 /* Check if extended speeds (EDR/FDR/...) are supported */
339 if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
340 ext_active_speed = out_mad->data[62] >> 4;
341
342 switch (ext_active_speed) {
343 case 1:
Or Gerlitz2e966912012-02-28 18:49:50 +0200344 props->active_speed = IB_SPEED_FDR;
Marcel Apfelbauma5e12df2011-10-03 19:04:20 +0300345 break;
346 case 2:
Or Gerlitz2e966912012-02-28 18:49:50 +0200347 props->active_speed = IB_SPEED_EDR;
Marcel Apfelbauma5e12df2011-10-03 19:04:20 +0300348 break;
349 }
350 }
351
352 /* If reported active speed is QDR, check if is FDR-10 */
Or Gerlitz2e966912012-02-28 18:49:50 +0200353 if (props->active_speed == IB_SPEED_QDR) {
Or Gerlitz8154c072012-03-06 15:50:50 +0200354 init_query_mad(in_mad);
355 in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO;
356 in_mad->attr_mod = cpu_to_be32(port);
Marcel Apfelbauma5e12df2011-10-03 19:04:20 +0300357
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000358 err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port,
Or Gerlitz8154c072012-03-06 15:50:50 +0200359 NULL, NULL, in_mad, out_mad);
360 if (err)
Jesper Juhlbf6b47d2012-04-11 23:43:29 +0200361 goto out;
Marcel Apfelbauma5e12df2011-10-03 19:04:20 +0300362
Or Gerlitz8154c072012-03-06 15:50:50 +0200363 /* Checking LinkSpeedActive for FDR-10 */
364 if (out_mad->data[15] & 0x1)
365 props->active_speed = IB_SPEED_FDR10;
Marcel Apfelbauma5e12df2011-10-03 19:04:20 +0300366 }
Or Gerlitzd2ef4062012-04-02 17:45:20 +0300367
368 /* Avoid wrong speed value returned by FW if the IB link is down. */
369 if (props->state == IB_PORT_DOWN)
370 props->active_speed = IB_SPEED_SDR;
371
Or Gerlitza9c766b2012-01-11 19:00:29 +0200372out:
373 kfree(in_mad);
374 kfree(out_mad);
375 return err;
Eli Cohenfa417f72010-10-24 21:08:52 -0700376}
377
378static u8 state_to_phys_state(enum ib_port_state state)
379{
380 return state == IB_PORT_ACTIVE ? 5 : 3;
381}
382
383static int eth_link_query_port(struct ib_device *ibdev, u8 port,
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000384 struct ib_port_attr *props, int netw_view)
Eli Cohenfa417f72010-10-24 21:08:52 -0700385{
Or Gerlitza9c766b2012-01-11 19:00:29 +0200386
387 struct mlx4_ib_dev *mdev = to_mdev(ibdev);
388 struct mlx4_ib_iboe *iboe = &mdev->iboe;
Eli Cohenfa417f72010-10-24 21:08:52 -0700389 struct net_device *ndev;
390 enum ib_mtu tmp;
Or Gerlitza9c766b2012-01-11 19:00:29 +0200391 struct mlx4_cmd_mailbox *mailbox;
392 int err = 0;
Moni Shouaa5750092015-02-03 16:48:37 +0200393 int is_bonded = mlx4_is_bonded(mdev->dev);
Eli Cohenfa417f72010-10-24 21:08:52 -0700394
Or Gerlitza9c766b2012-01-11 19:00:29 +0200395 mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
396 if (IS_ERR(mailbox))
397 return PTR_ERR(mailbox);
398
399 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
400 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
401 MLX4_CMD_WRAPPED);
402 if (err)
403 goto out;
404
405 props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ?
406 IB_WIDTH_4X : IB_WIDTH_1X;
Or Gerlitz2e966912012-02-28 18:49:50 +0200407 props->active_speed = IB_SPEED_QDR;
Moni Shouab4a26a22014-02-09 11:54:34 +0200408 props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS;
Or Gerlitza9c766b2012-01-11 19:00:29 +0200409 props->gid_tbl_len = mdev->dev->caps.gid_table_len[port];
410 props->max_msg_sz = mdev->dev->caps.max_msg_sz;
Eli Cohenfa417f72010-10-24 21:08:52 -0700411 props->pkey_tbl_len = 1;
Or Gerlitzbcacb892011-10-10 10:53:41 +0200412 props->max_mtu = IB_MTU_4096;
Or Gerlitza9c766b2012-01-11 19:00:29 +0200413 props->max_vl_num = 2;
Eli Cohenfa417f72010-10-24 21:08:52 -0700414 props->state = IB_PORT_DOWN;
415 props->phys_state = state_to_phys_state(props->state);
416 props->active_mtu = IB_MTU_256;
Moni Shouaa5750092015-02-03 16:48:37 +0200417 if (is_bonded)
418 rtnl_lock(); /* required to get upper dev */
Jack Morgensteindba3ad22014-08-21 14:28:41 +0300419 spin_lock_bh(&iboe->lock);
Eli Cohenfa417f72010-10-24 21:08:52 -0700420 ndev = iboe->netdevs[port - 1];
Moni Shouaa5750092015-02-03 16:48:37 +0200421 if (ndev && is_bonded)
422 ndev = netdev_master_upper_dev_get(ndev);
Eli Cohenfa417f72010-10-24 21:08:52 -0700423 if (!ndev)
Or Gerlitza9c766b2012-01-11 19:00:29 +0200424 goto out_unlock;
Eli Cohenfa417f72010-10-24 21:08:52 -0700425
426 tmp = iboe_get_mtu(ndev->mtu);
427 props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256;
428
Eli Cohen21d606092010-11-11 21:05:58 +0000429 props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ?
Eli Cohenfa417f72010-10-24 21:08:52 -0700430 IB_PORT_ACTIVE : IB_PORT_DOWN;
431 props->phys_state = state_to_phys_state(props->state);
Or Gerlitza9c766b2012-01-11 19:00:29 +0200432out_unlock:
Jack Morgensteindba3ad22014-08-21 14:28:41 +0300433 spin_unlock_bh(&iboe->lock);
Moni Shouaa5750092015-02-03 16:48:37 +0200434 if (is_bonded)
435 rtnl_unlock();
Or Gerlitza9c766b2012-01-11 19:00:29 +0200436out:
437 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
438 return err;
Eli Cohenfa417f72010-10-24 21:08:52 -0700439}
440
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000441int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
442 struct ib_port_attr *props, int netw_view)
Roland Dreier225c7b12007-05-08 18:00:38 -0700443{
Or Gerlitza9c766b2012-01-11 19:00:29 +0200444 int err;
Roland Dreier225c7b12007-05-08 18:00:38 -0700445
446 memset(props, 0, sizeof *props);
447
Eli Cohenfa417f72010-10-24 21:08:52 -0700448 err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ?
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000449 ib_link_query_port(ibdev, port, props, netw_view) :
450 eth_link_query_port(ibdev, port, props, netw_view);
Roland Dreier225c7b12007-05-08 18:00:38 -0700451
452 return err;
453}
454
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000455static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
456 struct ib_port_attr *props)
457{
458 /* returns host view */
459 return __mlx4_ib_query_port(ibdev, port, props, 0);
460}
461
Jack Morgensteina0c64a12012-08-03 08:40:49 +0000462int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
463 union ib_gid *gid, int netw_view)
Roland Dreier225c7b12007-05-08 18:00:38 -0700464{
465 struct ib_smp *in_mad = NULL;
466 struct ib_smp *out_mad = NULL;
467 int err = -ENOMEM;
Jack Morgensteina0c64a12012-08-03 08:40:49 +0000468 struct mlx4_ib_dev *dev = to_mdev(ibdev);
469 int clear = 0;
470 int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
Roland Dreier225c7b12007-05-08 18:00:38 -0700471
472 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
473 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
474 if (!in_mad || !out_mad)
475 goto out;
476
477 init_query_mad(in_mad);
478 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
479 in_mad->attr_mod = cpu_to_be32(port);
480
Jack Morgensteina0c64a12012-08-03 08:40:49 +0000481 if (mlx4_is_mfunc(dev->dev) && netw_view)
482 mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
483
484 err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad);
Roland Dreier225c7b12007-05-08 18:00:38 -0700485 if (err)
486 goto out;
487
488 memcpy(gid->raw, out_mad->data + 8, 8);
489
Jack Morgensteina0c64a12012-08-03 08:40:49 +0000490 if (mlx4_is_mfunc(dev->dev) && !netw_view) {
491 if (index) {
492 /* For any index > 0, return the null guid */
493 err = 0;
494 clear = 1;
495 goto out;
496 }
497 }
498
Roland Dreier225c7b12007-05-08 18:00:38 -0700499 init_query_mad(in_mad);
500 in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
501 in_mad->attr_mod = cpu_to_be32(index / 8);
502
Jack Morgensteina0c64a12012-08-03 08:40:49 +0000503 err = mlx4_MAD_IFC(dev, mad_ifc_flags, port,
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000504 NULL, NULL, in_mad, out_mad);
Roland Dreier225c7b12007-05-08 18:00:38 -0700505 if (err)
506 goto out;
507
508 memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
509
510out:
Jack Morgensteina0c64a12012-08-03 08:40:49 +0000511 if (clear)
512 memset(gid->raw + 8, 0, 8);
Roland Dreier225c7b12007-05-08 18:00:38 -0700513 kfree(in_mad);
514 kfree(out_mad);
515 return err;
516}
517
Eli Cohenfa417f72010-10-24 21:08:52 -0700518static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index,
519 union ib_gid *gid)
520{
521 struct mlx4_ib_dev *dev = to_mdev(ibdev);
522
523 *gid = dev->iboe.gid_table[port - 1][index];
524
525 return 0;
526}
527
528static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
529 union ib_gid *gid)
530{
531 if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND)
Jack Morgensteina0c64a12012-08-03 08:40:49 +0000532 return __mlx4_ib_query_gid(ibdev, port, index, gid, 0);
Eli Cohenfa417f72010-10-24 21:08:52 -0700533 else
534 return iboe_query_gid(ibdev, port, index, gid);
535}
536
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000537int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
538 u16 *pkey, int netw_view)
Roland Dreier225c7b12007-05-08 18:00:38 -0700539{
540 struct ib_smp *in_mad = NULL;
541 struct ib_smp *out_mad = NULL;
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000542 int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
Roland Dreier225c7b12007-05-08 18:00:38 -0700543 int err = -ENOMEM;
544
545 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
546 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
547 if (!in_mad || !out_mad)
548 goto out;
549
550 init_query_mad(in_mad);
551 in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
552 in_mad->attr_mod = cpu_to_be32(index / 32);
553
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000554 if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view)
555 mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
556
557 err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL,
558 in_mad, out_mad);
Roland Dreier225c7b12007-05-08 18:00:38 -0700559 if (err)
560 goto out;
561
562 *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]);
563
564out:
565 kfree(in_mad);
566 kfree(out_mad);
567 return err;
568}
569
Jack Morgenstein0a9a0182012-08-03 08:40:45 +0000570static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
571{
572 return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0);
573}
574
Roland Dreier225c7b12007-05-08 18:00:38 -0700575static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
576 struct ib_device_modify *props)
577{
Jack Morgensteind0d68b82010-10-04 12:11:34 +0000578 struct mlx4_cmd_mailbox *mailbox;
Jack Morgensteindf7fba62012-08-03 08:26:45 +0000579 unsigned long flags;
Jack Morgensteind0d68b82010-10-04 12:11:34 +0000580
Roland Dreier225c7b12007-05-08 18:00:38 -0700581 if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
582 return -EOPNOTSUPP;
583
Jack Morgensteind0d68b82010-10-04 12:11:34 +0000584 if (!(mask & IB_DEVICE_MODIFY_NODE_DESC))
585 return 0;
586
Jack Morgenstein992e8e6e2012-08-03 08:40:54 +0000587 if (mlx4_is_slave(to_mdev(ibdev)->dev))
588 return -EOPNOTSUPP;
589
Jack Morgensteindf7fba62012-08-03 08:26:45 +0000590 spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags);
Jack Morgensteind0d68b82010-10-04 12:11:34 +0000591 memcpy(ibdev->node_desc, props->node_desc, 64);
Jack Morgensteindf7fba62012-08-03 08:26:45 +0000592 spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags);
Jack Morgensteind0d68b82010-10-04 12:11:34 +0000593
594 /*
595 * If possible, pass node desc to FW, so it can generate
596 * a 144 trap. If cmd fails, just ignore.
597 */
598 mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev);
599 if (IS_ERR(mailbox))
600 return 0;
601
Jack Morgensteind0d68b82010-10-04 12:11:34 +0000602 memcpy(mailbox->buf, props->node_desc, 64);
603 mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0,
Jack Morgenstein992e8e6e2012-08-03 08:40:54 +0000604 MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
Jack Morgensteind0d68b82010-10-04 12:11:34 +0000605
606 mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox);
Roland Dreier225c7b12007-05-08 18:00:38 -0700607
608 return 0;
609}
610
Jack Morgenstein61565012014-05-29 16:31:01 +0300611static int mlx4_ib_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
612 u32 cap_mask)
Roland Dreier225c7b12007-05-08 18:00:38 -0700613{
614 struct mlx4_cmd_mailbox *mailbox;
615 int err;
616
617 mailbox = mlx4_alloc_cmd_mailbox(dev->dev);
618 if (IS_ERR(mailbox))
619 return PTR_ERR(mailbox);
620
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700621 if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
622 *(u8 *) mailbox->buf = !!reset_qkey_viols << 6;
623 ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask);
624 } else {
625 ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols;
626 ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask);
627 }
Roland Dreier225c7b12007-05-08 18:00:38 -0700628
Ido Shamaya130b592015-04-02 16:31:19 +0300629 err = mlx4_cmd(dev->dev, mailbox->dma, port, MLX4_SET_PORT_IB_OPCODE,
630 MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
631 MLX4_CMD_WRAPPED);
Roland Dreier225c7b12007-05-08 18:00:38 -0700632
633 mlx4_free_cmd_mailbox(dev->dev, mailbox);
634 return err;
635}
636
637static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
638 struct ib_port_modify *props)
639{
Jack Morgenstein61565012014-05-29 16:31:01 +0300640 struct mlx4_ib_dev *mdev = to_mdev(ibdev);
641 u8 is_eth = mdev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
Roland Dreier225c7b12007-05-08 18:00:38 -0700642 struct ib_port_attr attr;
643 u32 cap_mask;
644 int err;
645
Jack Morgenstein61565012014-05-29 16:31:01 +0300646 /* return OK if this is RoCE. CM calls ib_modify_port() regardless
647 * of whether port link layer is ETH or IB. For ETH ports, qkey
648 * violations and port capabilities are not meaningful.
649 */
650 if (is_eth)
651 return 0;
652
653 mutex_lock(&mdev->cap_mask_mutex);
Roland Dreier225c7b12007-05-08 18:00:38 -0700654
655 err = mlx4_ib_query_port(ibdev, port, &attr);
656 if (err)
657 goto out;
658
659 cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
660 ~props->clr_port_cap_mask;
661
Jack Morgenstein61565012014-05-29 16:31:01 +0300662 err = mlx4_ib_SET_PORT(mdev, port,
663 !!(mask & IB_PORT_RESET_QKEY_CNTR),
664 cap_mask);
Roland Dreier225c7b12007-05-08 18:00:38 -0700665
666out:
667 mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);
668 return err;
669}
670
671static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev,
672 struct ib_udata *udata)
673{
674 struct mlx4_ib_dev *dev = to_mdev(ibdev);
675 struct mlx4_ib_ucontext *context;
Or Gerlitz08ff3232012-10-21 14:59:24 +0000676 struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3;
Roland Dreier225c7b12007-05-08 18:00:38 -0700677 struct mlx4_ib_alloc_ucontext_resp resp;
678 int err;
679
Jack Morgenstein3b4a8cd2009-09-05 20:24:50 -0700680 if (!dev->ib_active)
681 return ERR_PTR(-EAGAIN);
682
Or Gerlitz08ff3232012-10-21 14:59:24 +0000683 if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) {
684 resp_v3.qp_tab_size = dev->dev->caps.num_qps;
685 resp_v3.bf_reg_size = dev->dev->caps.bf_reg_size;
686 resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
687 } else {
688 resp.dev_caps = dev->dev->caps.userspace_caps;
689 resp.qp_tab_size = dev->dev->caps.num_qps;
690 resp.bf_reg_size = dev->dev->caps.bf_reg_size;
691 resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
692 resp.cqe_size = dev->dev->caps.cqe_size;
693 }
Roland Dreier225c7b12007-05-08 18:00:38 -0700694
695 context = kmalloc(sizeof *context, GFP_KERNEL);
696 if (!context)
697 return ERR_PTR(-ENOMEM);
698
699 err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar);
700 if (err) {
701 kfree(context);
702 return ERR_PTR(err);
703 }
704
705 INIT_LIST_HEAD(&context->db_page_list);
706 mutex_init(&context->db_page_mutex);
707
Or Gerlitz08ff3232012-10-21 14:59:24 +0000708 if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION)
709 err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3));
710 else
711 err = ib_copy_to_udata(udata, &resp, sizeof(resp));
712
Roland Dreier225c7b12007-05-08 18:00:38 -0700713 if (err) {
714 mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar);
715 kfree(context);
716 return ERR_PTR(-EFAULT);
717 }
718
719 return &context->ibucontext;
720}
721
722static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
723{
724 struct mlx4_ib_ucontext *context = to_mucontext(ibcontext);
725
726 mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar);
727 kfree(context);
728
729 return 0;
730}
731
732static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
733{
734 struct mlx4_ib_dev *dev = to_mdev(context->device);
735
736 if (vma->vm_end - vma->vm_start != PAGE_SIZE)
737 return -EINVAL;
738
739 if (vma->vm_pgoff == 0) {
740 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
741
742 if (io_remap_pfn_range(vma, vma->vm_start,
743 to_mucontext(context)->uar.pfn,
744 PAGE_SIZE, vma->vm_page_prot))
745 return -EAGAIN;
746 } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) {
Roland Dreiere1d60ec2009-03-30 08:31:05 -0700747 vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
Roland Dreier225c7b12007-05-08 18:00:38 -0700748
749 if (io_remap_pfn_range(vma, vma->vm_start,
750 to_mucontext(context)->uar.pfn +
751 dev->dev->caps.num_uars,
752 PAGE_SIZE, vma->vm_page_prot))
753 return -EAGAIN;
Matan Barak52033cf2015-06-11 16:35:26 +0300754 } else if (vma->vm_pgoff == 3) {
755 struct mlx4_clock_params params;
756 int ret = mlx4_get_internal_clock_params(dev->dev, &params);
757
758 if (ret)
759 return ret;
760
761 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
762 if (io_remap_pfn_range(vma, vma->vm_start,
763 (pci_resource_start(dev->dev->persist->pdev,
764 params.bar) +
765 params.offset)
766 >> PAGE_SHIFT,
767 PAGE_SIZE, vma->vm_page_prot))
768 return -EAGAIN;
769 } else {
Roland Dreier225c7b12007-05-08 18:00:38 -0700770 return -EINVAL;
Matan Barak52033cf2015-06-11 16:35:26 +0300771 }
Roland Dreier225c7b12007-05-08 18:00:38 -0700772
773 return 0;
774}
775
776static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev,
777 struct ib_ucontext *context,
778 struct ib_udata *udata)
779{
780 struct mlx4_ib_pd *pd;
781 int err;
782
783 pd = kmalloc(sizeof *pd, GFP_KERNEL);
784 if (!pd)
785 return ERR_PTR(-ENOMEM);
786
787 err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn);
788 if (err) {
789 kfree(pd);
790 return ERR_PTR(err);
791 }
792
793 if (context)
794 if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) {
795 mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn);
796 kfree(pd);
797 return ERR_PTR(-EFAULT);
798 }
799
800 return &pd->ibpd;
801}
802
803static int mlx4_ib_dealloc_pd(struct ib_pd *pd)
804{
805 mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn);
806 kfree(pd);
807
808 return 0;
809}
810
Sean Hefty012a8ff2011-06-02 09:01:33 -0700811static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev,
812 struct ib_ucontext *context,
813 struct ib_udata *udata)
814{
815 struct mlx4_ib_xrcd *xrcd;
Matan Barak8e372102015-06-11 16:35:21 +0300816 struct ib_cq_init_attr cq_attr = {};
Sean Hefty012a8ff2011-06-02 09:01:33 -0700817 int err;
818
819 if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC))
820 return ERR_PTR(-ENOSYS);
821
822 xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL);
823 if (!xrcd)
824 return ERR_PTR(-ENOMEM);
825
826 err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn);
827 if (err)
828 goto err1;
829
830 xrcd->pd = ib_alloc_pd(ibdev);
831 if (IS_ERR(xrcd->pd)) {
832 err = PTR_ERR(xrcd->pd);
833 goto err2;
834 }
835
Matan Barak8e372102015-06-11 16:35:21 +0300836 cq_attr.cqe = 1;
837 xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, &cq_attr);
Sean Hefty012a8ff2011-06-02 09:01:33 -0700838 if (IS_ERR(xrcd->cq)) {
839 err = PTR_ERR(xrcd->cq);
840 goto err3;
841 }
842
843 return &xrcd->ibxrcd;
844
845err3:
846 ib_dealloc_pd(xrcd->pd);
847err2:
848 mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn);
849err1:
850 kfree(xrcd);
851 return ERR_PTR(err);
852}
853
854static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd)
855{
856 ib_destroy_cq(to_mxrcd(xrcd)->cq);
857 ib_dealloc_pd(to_mxrcd(xrcd)->pd);
858 mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn);
859 kfree(xrcd);
860
861 return 0;
862}
863
Eli Cohenfa417f72010-10-24 21:08:52 -0700864static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid)
865{
866 struct mlx4_ib_qp *mqp = to_mqp(ibqp);
867 struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
868 struct mlx4_ib_gid_entry *ge;
869
870 ge = kzalloc(sizeof *ge, GFP_KERNEL);
871 if (!ge)
872 return -ENOMEM;
873
874 ge->gid = *gid;
875 if (mlx4_ib_add_mc(mdev, mqp, gid)) {
876 ge->port = mqp->port;
877 ge->added = 1;
878 }
879
880 mutex_lock(&mqp->mutex);
881 list_add_tail(&ge->list, &mqp->gid_list);
882 mutex_unlock(&mqp->mutex);
883
884 return 0;
885}
886
887int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
888 union ib_gid *gid)
889{
Eli Cohenfa417f72010-10-24 21:08:52 -0700890 struct net_device *ndev;
891 int ret = 0;
892
893 if (!mqp->port)
894 return 0;
895
Jack Morgensteindba3ad22014-08-21 14:28:41 +0300896 spin_lock_bh(&mdev->iboe.lock);
Eli Cohenfa417f72010-10-24 21:08:52 -0700897 ndev = mdev->iboe.netdevs[mqp->port - 1];
898 if (ndev)
899 dev_hold(ndev);
Jack Morgensteindba3ad22014-08-21 14:28:41 +0300900 spin_unlock_bh(&mdev->iboe.lock);
Eli Cohenfa417f72010-10-24 21:08:52 -0700901
902 if (ndev) {
Eli Cohenfa417f72010-10-24 21:08:52 -0700903 ret = 1;
Eli Cohenfa417f72010-10-24 21:08:52 -0700904 dev_put(ndev);
905 }
906
907 return ret;
908}
909
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +0000910struct mlx4_ib_steering {
911 struct list_head list;
Moni Shoua146d6e12015-02-03 16:48:38 +0200912 struct mlx4_flow_reg_id reg_id;
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +0000913 union ib_gid gid;
914};
915
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300916static int parse_flow_attr(struct mlx4_dev *dev,
Matan Baraka37a1a42013-11-07 15:25:16 +0200917 u32 qp_num,
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300918 union ib_flow_spec *ib_spec,
919 struct _rule_hw *mlx4_spec)
920{
921 enum mlx4_net_trans_rule_id type;
922
923 switch (ib_spec->type) {
924 case IB_FLOW_SPEC_ETH:
925 type = MLX4_NET_TRANS_RULE_ID_ETH;
926 memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac,
927 ETH_ALEN);
928 memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac,
929 ETH_ALEN);
930 mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag;
931 mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag;
932 break;
Matan Baraka37a1a42013-11-07 15:25:16 +0200933 case IB_FLOW_SPEC_IB:
934 type = MLX4_NET_TRANS_RULE_ID_IB;
935 mlx4_spec->ib.l3_qpn =
936 cpu_to_be32(qp_num);
937 mlx4_spec->ib.qpn_mask =
938 cpu_to_be32(MLX4_IB_FLOW_QPN_MASK);
939 break;
940
Hadar Hen Zionf77c0162013-08-14 13:58:31 +0300941
942 case IB_FLOW_SPEC_IPV4:
943 type = MLX4_NET_TRANS_RULE_ID_IPV4;
944 mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip;
945 mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip;
946 mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip;
947 mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip;
948 break;
949
950 case IB_FLOW_SPEC_TCP:
951 case IB_FLOW_SPEC_UDP:
952 type = ib_spec->type == IB_FLOW_SPEC_TCP ?
953 MLX4_NET_TRANS_RULE_ID_TCP :
954 MLX4_NET_TRANS_RULE_ID_UDP;
955 mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port;
956 mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port;
957 mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port;
958 mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port;
959 break;
960
961 default:
962 return -EINVAL;
963 }
964 if (mlx4_map_sw_to_hw_steering_id(dev, type) < 0 ||
965 mlx4_hw_rule_sz(dev, type) < 0)
966 return -EINVAL;
967 mlx4_spec->id = cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev, type));
968 mlx4_spec->size = mlx4_hw_rule_sz(dev, type) >> 2;
969 return mlx4_hw_rule_sz(dev, type);
970}
971
Matan Baraka37a1a42013-11-07 15:25:16 +0200972struct default_rules {
973 __u32 mandatory_fields[IB_FLOW_SPEC_SUPPORT_LAYERS];
974 __u32 mandatory_not_fields[IB_FLOW_SPEC_SUPPORT_LAYERS];
975 __u32 rules_create_list[IB_FLOW_SPEC_SUPPORT_LAYERS];
976 __u8 link_layer;
977};
978static const struct default_rules default_table[] = {
979 {
980 .mandatory_fields = {IB_FLOW_SPEC_IPV4},
981 .mandatory_not_fields = {IB_FLOW_SPEC_ETH},
982 .rules_create_list = {IB_FLOW_SPEC_IB},
983 .link_layer = IB_LINK_LAYER_INFINIBAND
984 }
985};
986
987static int __mlx4_ib_default_rules_match(struct ib_qp *qp,
988 struct ib_flow_attr *flow_attr)
989{
990 int i, j, k;
991 void *ib_flow;
992 const struct default_rules *pdefault_rules = default_table;
993 u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port);
994
Fabian Fredericka57f23f2014-08-12 19:20:07 -0400995 for (i = 0; i < ARRAY_SIZE(default_table); i++, pdefault_rules++) {
Matan Baraka37a1a42013-11-07 15:25:16 +0200996 __u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS];
997 memset(&field_types, 0, sizeof(field_types));
998
999 if (link_layer != pdefault_rules->link_layer)
1000 continue;
1001
1002 ib_flow = flow_attr + 1;
1003 /* we assume the specs are sorted */
1004 for (j = 0, k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS &&
1005 j < flow_attr->num_of_specs; k++) {
1006 union ib_flow_spec *current_flow =
1007 (union ib_flow_spec *)ib_flow;
1008
1009 /* same layer but different type */
1010 if (((current_flow->type & IB_FLOW_SPEC_LAYER_MASK) ==
1011 (pdefault_rules->mandatory_fields[k] &
1012 IB_FLOW_SPEC_LAYER_MASK)) &&
1013 (current_flow->type !=
1014 pdefault_rules->mandatory_fields[k]))
1015 goto out;
1016
1017 /* same layer, try match next one */
1018 if (current_flow->type ==
1019 pdefault_rules->mandatory_fields[k]) {
1020 j++;
1021 ib_flow +=
1022 ((union ib_flow_spec *)ib_flow)->size;
1023 }
1024 }
1025
1026 ib_flow = flow_attr + 1;
1027 for (j = 0; j < flow_attr->num_of_specs;
1028 j++, ib_flow += ((union ib_flow_spec *)ib_flow)->size)
1029 for (k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS; k++)
1030 /* same layer and same type */
1031 if (((union ib_flow_spec *)ib_flow)->type ==
1032 pdefault_rules->mandatory_not_fields[k])
1033 goto out;
1034
1035 return i;
1036 }
1037out:
1038 return -1;
1039}
1040
1041static int __mlx4_ib_create_default_rules(
1042 struct mlx4_ib_dev *mdev,
1043 struct ib_qp *qp,
1044 const struct default_rules *pdefault_rules,
1045 struct _rule_hw *mlx4_spec) {
1046 int size = 0;
1047 int i;
1048
Fabian Fredericka57f23f2014-08-12 19:20:07 -04001049 for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) {
Matan Baraka37a1a42013-11-07 15:25:16 +02001050 int ret;
1051 union ib_flow_spec ib_spec;
1052 switch (pdefault_rules->rules_create_list[i]) {
1053 case 0:
1054 /* no rule */
1055 continue;
1056 case IB_FLOW_SPEC_IB:
1057 ib_spec.type = IB_FLOW_SPEC_IB;
1058 ib_spec.size = sizeof(struct ib_flow_spec_ib);
1059
1060 break;
1061 default:
1062 /* invalid rule */
1063 return -EINVAL;
1064 }
1065 /* We must put empty rule, qpn is being ignored */
1066 ret = parse_flow_attr(mdev->dev, 0, &ib_spec,
1067 mlx4_spec);
1068 if (ret < 0) {
1069 pr_info("invalid parsing\n");
1070 return -EINVAL;
1071 }
1072
1073 mlx4_spec = (void *)mlx4_spec + ret;
1074 size += ret;
1075 }
1076 return size;
1077}
1078
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001079static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr,
1080 int domain,
1081 enum mlx4_net_trans_promisc_mode flow_type,
1082 u64 *reg_id)
1083{
1084 int ret, i;
1085 int size = 0;
1086 void *ib_flow;
1087 struct mlx4_ib_dev *mdev = to_mdev(qp->device);
1088 struct mlx4_cmd_mailbox *mailbox;
1089 struct mlx4_net_trans_rule_hw_ctrl *ctrl;
Matan Baraka37a1a42013-11-07 15:25:16 +02001090 int default_flow;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001091
1092 static const u16 __mlx4_domain[] = {
1093 [IB_FLOW_DOMAIN_USER] = MLX4_DOMAIN_UVERBS,
1094 [IB_FLOW_DOMAIN_ETHTOOL] = MLX4_DOMAIN_ETHTOOL,
1095 [IB_FLOW_DOMAIN_RFS] = MLX4_DOMAIN_RFS,
1096 [IB_FLOW_DOMAIN_NIC] = MLX4_DOMAIN_NIC,
1097 };
1098
1099 if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) {
1100 pr_err("Invalid priority value %d\n", flow_attr->priority);
1101 return -EINVAL;
1102 }
1103
1104 if (domain >= IB_FLOW_DOMAIN_NUM) {
1105 pr_err("Invalid domain value %d\n", domain);
1106 return -EINVAL;
1107 }
1108
1109 if (mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0)
1110 return -EINVAL;
1111
1112 mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
1113 if (IS_ERR(mailbox))
1114 return PTR_ERR(mailbox);
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001115 ctrl = mailbox->buf;
1116
1117 ctrl->prio = cpu_to_be16(__mlx4_domain[domain] |
1118 flow_attr->priority);
1119 ctrl->type = mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type);
1120 ctrl->port = flow_attr->port;
1121 ctrl->qpn = cpu_to_be32(qp->qp_num);
1122
1123 ib_flow = flow_attr + 1;
1124 size += sizeof(struct mlx4_net_trans_rule_hw_ctrl);
Matan Baraka37a1a42013-11-07 15:25:16 +02001125 /* Add default flows */
1126 default_flow = __mlx4_ib_default_rules_match(qp, flow_attr);
1127 if (default_flow >= 0) {
1128 ret = __mlx4_ib_create_default_rules(
1129 mdev, qp, default_table + default_flow,
1130 mailbox->buf + size);
1131 if (ret < 0) {
1132 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
1133 return -EINVAL;
1134 }
1135 size += ret;
1136 }
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001137 for (i = 0; i < flow_attr->num_of_specs; i++) {
Matan Baraka37a1a42013-11-07 15:25:16 +02001138 ret = parse_flow_attr(mdev->dev, qp->qp_num, ib_flow,
1139 mailbox->buf + size);
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001140 if (ret < 0) {
1141 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
1142 return -EINVAL;
1143 }
1144 ib_flow += ((union ib_flow_spec *) ib_flow)->size;
1145 size += ret;
1146 }
1147
1148 ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0,
1149 MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
Matan Barak48564132015-05-31 09:30:15 +03001150 MLX4_CMD_WRAPPED);
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001151 if (ret == -ENOMEM)
1152 pr_err("mcg table is full. Fail to register network rule.\n");
1153 else if (ret == -ENXIO)
1154 pr_err("Device managed flow steering is disabled. Fail to register network rule.\n");
1155 else if (ret)
1156 pr_err("Invalid argumant. Fail to register network rule.\n");
1157
1158 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
1159 return ret;
1160}
1161
1162static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id)
1163{
1164 int err;
1165 err = mlx4_cmd(dev, reg_id, 0, 0,
1166 MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
Matan Barak48564132015-05-31 09:30:15 +03001167 MLX4_CMD_WRAPPED);
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001168 if (err)
1169 pr_err("Fail to detach network rule. registration id = 0x%llx\n",
1170 reg_id);
1171 return err;
1172}
1173
Or Gerlitzd2fce8a2014-08-27 16:47:49 +03001174static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr,
1175 u64 *reg_id)
1176{
1177 void *ib_flow;
1178 union ib_flow_spec *ib_spec;
1179 struct mlx4_dev *dev = to_mdev(qp->device)->dev;
1180 int err = 0;
1181
Or Gerlitz5eff6da2015-01-15 15:28:54 +02001182 if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN ||
1183 dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC)
Or Gerlitzd2fce8a2014-08-27 16:47:49 +03001184 return 0; /* do nothing */
1185
1186 ib_flow = flow_attr + 1;
1187 ib_spec = (union ib_flow_spec *)ib_flow;
1188
1189 if (ib_spec->type != IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1)
1190 return 0; /* do nothing */
1191
1192 err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac,
1193 flow_attr->port, qp->qp_num,
1194 MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff),
1195 reg_id);
1196 return err;
1197}
1198
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001199static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
1200 struct ib_flow_attr *flow_attr,
1201 int domain)
1202{
Moni Shoua146d6e12015-02-03 16:48:38 +02001203 int err = 0, i = 0, j = 0;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001204 struct mlx4_ib_flow *mflow;
1205 enum mlx4_net_trans_promisc_mode type[2];
Moni Shoua146d6e12015-02-03 16:48:38 +02001206 struct mlx4_dev *dev = (to_mdev(qp->device))->dev;
1207 int is_bonded = mlx4_is_bonded(dev);
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001208
1209 memset(type, 0, sizeof(type));
1210
1211 mflow = kzalloc(sizeof(*mflow), GFP_KERNEL);
1212 if (!mflow) {
1213 err = -ENOMEM;
1214 goto err_free;
1215 }
1216
1217 switch (flow_attr->type) {
1218 case IB_FLOW_ATTR_NORMAL:
1219 type[0] = MLX4_FS_REGULAR;
1220 break;
1221
1222 case IB_FLOW_ATTR_ALL_DEFAULT:
1223 type[0] = MLX4_FS_ALL_DEFAULT;
1224 break;
1225
1226 case IB_FLOW_ATTR_MC_DEFAULT:
1227 type[0] = MLX4_FS_MC_DEFAULT;
1228 break;
1229
1230 case IB_FLOW_ATTR_SNIFFER:
1231 type[0] = MLX4_FS_UC_SNIFFER;
1232 type[1] = MLX4_FS_MC_SNIFFER;
1233 break;
1234
1235 default:
1236 err = -EINVAL;
1237 goto err_free;
1238 }
1239
1240 while (i < ARRAY_SIZE(type) && type[i]) {
1241 err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i],
Moni Shoua146d6e12015-02-03 16:48:38 +02001242 &mflow->reg_id[i].id);
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001243 if (err)
Or Gerlitz571e1b22014-10-30 15:59:28 +02001244 goto err_create_flow;
Moni Shoua146d6e12015-02-03 16:48:38 +02001245 if (is_bonded) {
Moni Shoua824c25c2015-02-08 11:49:33 +02001246 /* Application always sees one port so the mirror rule
1247 * must be on port #2
1248 */
Moni Shoua146d6e12015-02-03 16:48:38 +02001249 flow_attr->port = 2;
1250 err = __mlx4_ib_create_flow(qp, flow_attr,
1251 domain, type[j],
1252 &mflow->reg_id[j].mirror);
1253 flow_attr->port = 1;
1254 if (err)
1255 goto err_create_flow;
1256 j++;
1257 }
1258
Roland Dreier11562562015-05-29 23:11:27 -07001259 i++;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001260 }
1261
Or Gerlitzd2fce8a2014-08-27 16:47:49 +03001262 if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) {
Moni Shoua146d6e12015-02-03 16:48:38 +02001263 err = mlx4_ib_tunnel_steer_add(qp, flow_attr,
1264 &mflow->reg_id[i].id);
Or Gerlitzd2fce8a2014-08-27 16:47:49 +03001265 if (err)
Or Gerlitz571e1b22014-10-30 15:59:28 +02001266 goto err_create_flow;
Roland Dreier11562562015-05-29 23:11:27 -07001267
Moni Shoua146d6e12015-02-03 16:48:38 +02001268 if (is_bonded) {
1269 flow_attr->port = 2;
1270 err = mlx4_ib_tunnel_steer_add(qp, flow_attr,
1271 &mflow->reg_id[j].mirror);
1272 flow_attr->port = 1;
1273 if (err)
1274 goto err_create_flow;
1275 j++;
1276 }
1277 /* function to create mirror rule */
Roland Dreier11562562015-05-29 23:11:27 -07001278 i++;
Or Gerlitzd2fce8a2014-08-27 16:47:49 +03001279 }
1280
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001281 return &mflow->ibflow;
1282
Or Gerlitz571e1b22014-10-30 15:59:28 +02001283err_create_flow:
1284 while (i) {
Moni Shoua146d6e12015-02-03 16:48:38 +02001285 (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev,
1286 mflow->reg_id[i].id);
Or Gerlitz571e1b22014-10-30 15:59:28 +02001287 i--;
1288 }
Moni Shoua146d6e12015-02-03 16:48:38 +02001289
1290 while (j) {
1291 (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev,
1292 mflow->reg_id[j].mirror);
1293 j--;
1294 }
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001295err_free:
1296 kfree(mflow);
1297 return ERR_PTR(err);
1298}
1299
1300static int mlx4_ib_destroy_flow(struct ib_flow *flow_id)
1301{
1302 int err, ret = 0;
1303 int i = 0;
1304 struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device);
1305 struct mlx4_ib_flow *mflow = to_mflow(flow_id);
1306
Moni Shoua146d6e12015-02-03 16:48:38 +02001307 while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i].id) {
1308 err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i].id);
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001309 if (err)
1310 ret = err;
Moni Shoua146d6e12015-02-03 16:48:38 +02001311 if (mflow->reg_id[i].mirror) {
1312 err = __mlx4_ib_destroy_flow(mdev->dev,
1313 mflow->reg_id[i].mirror);
1314 if (err)
1315 ret = err;
1316 }
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03001317 i++;
1318 }
1319
1320 kfree(mflow);
1321 return ret;
1322}
1323
Roland Dreier225c7b12007-05-08 18:00:38 -07001324static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
1325{
Eli Cohenfa417f72010-10-24 21:08:52 -07001326 int err;
1327 struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
Moni Shoua146d6e12015-02-03 16:48:38 +02001328 struct mlx4_dev *dev = mdev->dev;
Eli Cohenfa417f72010-10-24 21:08:52 -07001329 struct mlx4_ib_qp *mqp = to_mqp(ibqp);
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +00001330 struct mlx4_ib_steering *ib_steering = NULL;
Or Gerlitze9a7faf2014-12-17 16:17:34 +02001331 enum mlx4_protocol prot = MLX4_PROT_IB_IPV6;
Moni Shoua146d6e12015-02-03 16:48:38 +02001332 struct mlx4_flow_reg_id reg_id;
Eli Cohenfa417f72010-10-24 21:08:52 -07001333
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +00001334 if (mdev->dev->caps.steering_mode ==
1335 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1336 ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL);
1337 if (!ib_steering)
1338 return -ENOMEM;
1339 }
1340
1341 err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port,
1342 !!(mqp->flags &
1343 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
Moni Shoua146d6e12015-02-03 16:48:38 +02001344 prot, &reg_id.id);
Or Gerlitze9a7faf2014-12-17 16:17:34 +02001345 if (err) {
1346 pr_err("multicast attach op failed, err %d\n", err);
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +00001347 goto err_malloc;
Or Gerlitze9a7faf2014-12-17 16:17:34 +02001348 }
Eli Cohenfa417f72010-10-24 21:08:52 -07001349
Moni Shoua146d6e12015-02-03 16:48:38 +02001350 reg_id.mirror = 0;
1351 if (mlx4_is_bonded(dev)) {
Moni Shoua824c25c2015-02-08 11:49:33 +02001352 err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw,
1353 (mqp->port == 1) ? 2 : 1,
Moni Shoua146d6e12015-02-03 16:48:38 +02001354 !!(mqp->flags &
1355 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
1356 prot, &reg_id.mirror);
1357 if (err)
1358 goto err_add;
1359 }
1360
Eli Cohenfa417f72010-10-24 21:08:52 -07001361 err = add_gid_entry(ibqp, gid);
1362 if (err)
1363 goto err_add;
1364
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +00001365 if (ib_steering) {
1366 memcpy(ib_steering->gid.raw, gid->raw, 16);
1367 ib_steering->reg_id = reg_id;
1368 mutex_lock(&mqp->mutex);
1369 list_add(&ib_steering->list, &mqp->steering_rules);
1370 mutex_unlock(&mqp->mutex);
1371 }
Eli Cohenfa417f72010-10-24 21:08:52 -07001372 return 0;
1373
1374err_add:
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +00001375 mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
Moni Shoua146d6e12015-02-03 16:48:38 +02001376 prot, reg_id.id);
1377 if (reg_id.mirror)
1378 mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
1379 prot, reg_id.mirror);
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +00001380err_malloc:
1381 kfree(ib_steering);
1382
Eli Cohenfa417f72010-10-24 21:08:52 -07001383 return err;
1384}
1385
1386static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw)
1387{
1388 struct mlx4_ib_gid_entry *ge;
1389 struct mlx4_ib_gid_entry *tmp;
1390 struct mlx4_ib_gid_entry *ret = NULL;
1391
1392 list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) {
1393 if (!memcmp(raw, ge->gid.raw, 16)) {
1394 ret = ge;
1395 break;
1396 }
1397 }
1398
1399 return ret;
Roland Dreier225c7b12007-05-08 18:00:38 -07001400}
1401
1402static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
1403{
Eli Cohenfa417f72010-10-24 21:08:52 -07001404 int err;
1405 struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
Moni Shoua146d6e12015-02-03 16:48:38 +02001406 struct mlx4_dev *dev = mdev->dev;
Eli Cohenfa417f72010-10-24 21:08:52 -07001407 struct mlx4_ib_qp *mqp = to_mqp(ibqp);
Eli Cohenfa417f72010-10-24 21:08:52 -07001408 struct net_device *ndev;
1409 struct mlx4_ib_gid_entry *ge;
Moni Shoua146d6e12015-02-03 16:48:38 +02001410 struct mlx4_flow_reg_id reg_id = {0, 0};
Or Gerlitze9a7faf2014-12-17 16:17:34 +02001411 enum mlx4_protocol prot = MLX4_PROT_IB_IPV6;
Eli Cohenfa417f72010-10-24 21:08:52 -07001412
Hadar Hen Zion0ff1fb62012-07-05 04:03:46 +00001413 if (mdev->dev->caps.steering_mode ==
1414 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1415 struct mlx4_ib_steering *ib_steering;
1416
1417 mutex_lock(&mqp->mutex);
1418 list_for_each_entry(ib_steering, &mqp->steering_rules, list) {
1419 if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) {
1420 list_del(&ib_steering->list);
1421 break;
1422 }
1423 }
1424 mutex_unlock(&mqp->mutex);
1425 if (&ib_steering->list == &mqp->steering_rules) {
1426 pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n");
1427 return -EINVAL;
1428 }
1429 reg_id = ib_steering->reg_id;
1430 kfree(ib_steering);
1431 }
1432
1433 err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
Moni Shoua146d6e12015-02-03 16:48:38 +02001434 prot, reg_id.id);
Eli Cohenfa417f72010-10-24 21:08:52 -07001435 if (err)
1436 return err;
1437
Moni Shoua146d6e12015-02-03 16:48:38 +02001438 if (mlx4_is_bonded(dev)) {
1439 err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
1440 prot, reg_id.mirror);
1441 if (err)
1442 return err;
1443 }
1444
Eli Cohenfa417f72010-10-24 21:08:52 -07001445 mutex_lock(&mqp->mutex);
1446 ge = find_gid_entry(mqp, gid->raw);
1447 if (ge) {
Jack Morgensteindba3ad22014-08-21 14:28:41 +03001448 spin_lock_bh(&mdev->iboe.lock);
Eli Cohenfa417f72010-10-24 21:08:52 -07001449 ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL;
1450 if (ndev)
1451 dev_hold(ndev);
Jack Morgensteindba3ad22014-08-21 14:28:41 +03001452 spin_unlock_bh(&mdev->iboe.lock);
Moni Shouad487ee72013-12-12 18:03:13 +02001453 if (ndev)
Eli Cohenfa417f72010-10-24 21:08:52 -07001454 dev_put(ndev);
Eli Cohenfa417f72010-10-24 21:08:52 -07001455 list_del(&ge->list);
1456 kfree(ge);
1457 } else
Shlomo Pongratz987c8f82012-04-29 17:04:26 +03001458 pr_warn("could not find mgid entry\n");
Eli Cohenfa417f72010-10-24 21:08:52 -07001459
1460 mutex_unlock(&mqp->mutex);
1461
1462 return 0;
Roland Dreier225c7b12007-05-08 18:00:38 -07001463}
1464
1465static int init_node_data(struct mlx4_ib_dev *dev)
1466{
1467 struct ib_smp *in_mad = NULL;
1468 struct ib_smp *out_mad = NULL;
Jack Morgenstein0a9a0182012-08-03 08:40:45 +00001469 int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
Roland Dreier225c7b12007-05-08 18:00:38 -07001470 int err = -ENOMEM;
1471
1472 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
1473 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
1474 if (!in_mad || !out_mad)
1475 goto out;
1476
1477 init_query_mad(in_mad);
1478 in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
Jack Morgenstein0a9a0182012-08-03 08:40:45 +00001479 if (mlx4_is_master(dev->dev))
1480 mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
Roland Dreier225c7b12007-05-08 18:00:38 -07001481
Jack Morgenstein0a9a0182012-08-03 08:40:45 +00001482 err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad);
Roland Dreier225c7b12007-05-08 18:00:38 -07001483 if (err)
1484 goto out;
1485
1486 memcpy(dev->ib_dev.node_desc, out_mad->data, 64);
1487
1488 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
1489
Jack Morgenstein0a9a0182012-08-03 08:40:45 +00001490 err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad);
Roland Dreier225c7b12007-05-08 18:00:38 -07001491 if (err)
1492 goto out;
1493
Jack Morgenstein992e8e6e2012-08-03 08:40:54 +00001494 dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32));
Roland Dreier225c7b12007-05-08 18:00:38 -07001495 memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8);
1496
1497out:
1498 kfree(in_mad);
1499 kfree(out_mad);
1500 return err;
1501}
1502
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001503static ssize_t show_hca(struct device *device, struct device_attribute *attr,
1504 char *buf)
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001505{
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001506 struct mlx4_ib_dev *dev =
1507 container_of(device, struct mlx4_ib_dev, ib_dev.dev);
Yishai Hadas872bf2f2015-01-25 16:59:35 +02001508 return sprintf(buf, "MT%d\n", dev->dev->persist->pdev->device);
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001509}
1510
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001511static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr,
1512 char *buf)
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001513{
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001514 struct mlx4_ib_dev *dev =
1515 container_of(device, struct mlx4_ib_dev, ib_dev.dev);
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001516 return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32),
1517 (int) (dev->dev->caps.fw_ver >> 16) & 0xffff,
1518 (int) dev->dev->caps.fw_ver & 0xffff);
1519}
1520
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001521static ssize_t show_rev(struct device *device, struct device_attribute *attr,
1522 char *buf)
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001523{
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001524 struct mlx4_ib_dev *dev =
1525 container_of(device, struct mlx4_ib_dev, ib_dev.dev);
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001526 return sprintf(buf, "%x\n", dev->dev->rev_id);
1527}
1528
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001529static ssize_t show_board(struct device *device, struct device_attribute *attr,
1530 char *buf)
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001531{
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001532 struct mlx4_ib_dev *dev =
1533 container_of(device, struct mlx4_ib_dev, ib_dev.dev);
1534 return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN,
1535 dev->dev->board_id);
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001536}
1537
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001538static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
1539static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
1540static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
1541static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001542
Tony Jonesf4e91eb2008-02-22 00:13:36 +01001543static struct device_attribute *mlx4_class_attributes[] = {
1544 &dev_attr_hw_rev,
1545 &dev_attr_fw_ver,
1546 &dev_attr_hca_type,
1547 &dev_attr_board_id
Jack Morgensteincd9281d2007-09-18 09:14:18 +02001548};
1549
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001550static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id,
1551 struct net_device *dev)
1552{
1553 memcpy(eui, dev->dev_addr, 3);
1554 memcpy(eui + 5, dev->dev_addr + 3, 3);
1555 if (vlan_id < 0x1000) {
1556 eui[3] = vlan_id >> 8;
1557 eui[4] = vlan_id & 0xff;
1558 } else {
1559 eui[3] = 0xff;
1560 eui[4] = 0xfe;
1561 }
1562 eui[0] ^= 2;
1563}
1564
Eli Cohenfa417f72010-10-24 21:08:52 -07001565static void update_gids_task(struct work_struct *work)
1566{
1567 struct update_gid_work *gw = container_of(work, struct update_gid_work, work);
1568 struct mlx4_cmd_mailbox *mailbox;
1569 union ib_gid *gids;
1570 int err;
1571 struct mlx4_dev *dev = gw->dev->dev;
Moni Shouaa5750092015-02-03 16:48:37 +02001572 int is_bonded = mlx4_is_bonded(dev);
Eli Cohenfa417f72010-10-24 21:08:52 -07001573
Moni Shoua4bf97152014-08-21 14:28:42 +03001574 if (!gw->dev->ib_active)
1575 return;
1576
Eli Cohenfa417f72010-10-24 21:08:52 -07001577 mailbox = mlx4_alloc_cmd_mailbox(dev);
1578 if (IS_ERR(mailbox)) {
Shlomo Pongratz987c8f82012-04-29 17:04:26 +03001579 pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox));
Eli Cohenfa417f72010-10-24 21:08:52 -07001580 return;
1581 }
1582
1583 gids = mailbox->buf;
1584 memcpy(gids, gw->gids, sizeof gw->gids);
1585
1586 err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port,
Ido Shamaya130b592015-04-02 16:31:19 +03001587 MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT,
1588 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
Eli Cohenfa417f72010-10-24 21:08:52 -07001589 if (err)
Shlomo Pongratz987c8f82012-04-29 17:04:26 +03001590 pr_warn("set port command failed\n");
Moni Shouad487ee72013-12-12 18:03:13 +02001591 else
Moni Shouaa5750092015-02-03 16:48:37 +02001592 if ((gw->port == 1) || !is_bonded)
1593 mlx4_ib_dispatch_event(gw->dev,
1594 is_bonded ? 1 : gw->port,
1595 IB_EVENT_GID_CHANGE);
Eli Cohenfa417f72010-10-24 21:08:52 -07001596
1597 mlx4_free_cmd_mailbox(dev, mailbox);
1598 kfree(gw);
1599}
1600
Moni Shouad487ee72013-12-12 18:03:13 +02001601static void reset_gids_task(struct work_struct *work)
Eli Cohenfa417f72010-10-24 21:08:52 -07001602{
Moni Shouad487ee72013-12-12 18:03:13 +02001603 struct update_gid_work *gw =
1604 container_of(work, struct update_gid_work, work);
1605 struct mlx4_cmd_mailbox *mailbox;
1606 union ib_gid *gids;
1607 int err;
Moni Shouad487ee72013-12-12 18:03:13 +02001608 struct mlx4_dev *dev = gw->dev->dev;
Eli Cohenfa417f72010-10-24 21:08:52 -07001609
Moni Shoua4bf97152014-08-21 14:28:42 +03001610 if (!gw->dev->ib_active)
1611 return;
1612
Moni Shouad487ee72013-12-12 18:03:13 +02001613 mailbox = mlx4_alloc_cmd_mailbox(dev);
1614 if (IS_ERR(mailbox)) {
1615 pr_warn("reset gid table failed\n");
1616 goto free;
1617 }
1618
1619 gids = mailbox->buf;
1620 memcpy(gids, gw->gids, sizeof(gw->gids));
1621
Moni Shoua50714562014-02-05 15:13:01 +02001622 if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) ==
1623 IB_LINK_LAYER_ETHERNET) {
1624 err = mlx4_cmd(dev, mailbox->dma,
1625 MLX4_SET_PORT_GID_TABLE << 8 | gw->port,
Ido Shamaya130b592015-04-02 16:31:19 +03001626 MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT,
Moni Shoua50714562014-02-05 15:13:01 +02001627 MLX4_CMD_TIME_CLASS_B,
1628 MLX4_CMD_WRAPPED);
1629 if (err)
Joe Perchesf4f01b52015-05-08 15:58:07 -07001630 pr_warn("set port %d command failed\n", gw->port);
Moni Shouad487ee72013-12-12 18:03:13 +02001631 }
1632
1633 mlx4_free_cmd_mailbox(dev, mailbox);
1634free:
1635 kfree(gw);
1636}
1637
1638static int update_gid_table(struct mlx4_ib_dev *dev, int port,
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001639 union ib_gid *gid, int clear,
1640 int default_gid)
Moni Shouad487ee72013-12-12 18:03:13 +02001641{
1642 struct update_gid_work *work;
1643 int i;
1644 int need_update = 0;
1645 int free = -1;
1646 int found = -1;
1647 int max_gids;
1648
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001649 if (default_gid) {
1650 free = 0;
1651 } else {
1652 max_gids = dev->dev->caps.gid_table_len[port];
1653 for (i = 1; i < max_gids; ++i) {
1654 if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid,
Moni Shouad487ee72013-12-12 18:03:13 +02001655 sizeof(*gid)))
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001656 found = i;
1657
1658 if (clear) {
1659 if (found >= 0) {
1660 need_update = 1;
1661 dev->iboe.gid_table[port - 1][found] =
1662 zgid;
1663 break;
1664 }
1665 } else {
1666 if (found >= 0)
1667 break;
1668
1669 if (free < 0 &&
1670 !memcmp(&dev->iboe.gid_table[port - 1][i],
1671 &zgid, sizeof(*gid)))
1672 free = i;
1673 }
Moni Shouad487ee72013-12-12 18:03:13 +02001674 }
1675 }
1676
1677 if (found == -1 && !clear && free >= 0) {
1678 dev->iboe.gid_table[port - 1][free] = *gid;
1679 need_update = 1;
1680 }
1681
1682 if (!need_update)
1683 return 0;
1684
1685 work = kzalloc(sizeof(*work), GFP_ATOMIC);
Eli Cohenfa417f72010-10-24 21:08:52 -07001686 if (!work)
1687 return -ENOMEM;
1688
Moni Shouad487ee72013-12-12 18:03:13 +02001689 memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof(work->gids));
1690 INIT_WORK(&work->work, update_gids_task);
1691 work->port = port;
1692 work->dev = dev;
1693 queue_work(wq, &work->work);
Eli Cohenfa417f72010-10-24 21:08:52 -07001694
Moni Shouad487ee72013-12-12 18:03:13 +02001695 return 0;
1696}
Eli Cohenfa417f72010-10-24 21:08:52 -07001697
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001698static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid)
1699{
1700 gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL);
1701 mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev);
1702}
1703
1704
Moni Shoua50714562014-02-05 15:13:01 +02001705static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port)
Moni Shouad487ee72013-12-12 18:03:13 +02001706{
1707 struct update_gid_work *work;
Eli Cohen4c3eb3c2010-08-26 17:19:22 +03001708
Moni Shouad487ee72013-12-12 18:03:13 +02001709 work = kzalloc(sizeof(*work), GFP_ATOMIC);
1710 if (!work)
1711 return -ENOMEM;
Moni Shoua50714562014-02-05 15:13:01 +02001712
1713 memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids));
Moni Shouad487ee72013-12-12 18:03:13 +02001714 memset(work->gids, 0, sizeof(work->gids));
1715 INIT_WORK(&work->work, reset_gids_task);
1716 work->dev = dev;
Moni Shoua50714562014-02-05 15:13:01 +02001717 work->port = port;
Moni Shouad487ee72013-12-12 18:03:13 +02001718 queue_work(wq, &work->work);
1719 return 0;
1720}
Eli Cohen4c3eb3c2010-08-26 17:19:22 +03001721
Moni Shouad487ee72013-12-12 18:03:13 +02001722static int mlx4_ib_addr_event(int event, struct net_device *event_netdev,
1723 struct mlx4_ib_dev *ibdev, union ib_gid *gid)
1724{
1725 struct mlx4_ib_iboe *iboe;
1726 int port = 0;
1727 struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ?
1728 rdma_vlan_dev_real_dev(event_netdev) :
1729 event_netdev;
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001730 union ib_gid default_gid;
1731
1732 mlx4_make_default_gid(real_dev, &default_gid);
1733
1734 if (!memcmp(gid, &default_gid, sizeof(*gid)))
1735 return 0;
Moni Shouad487ee72013-12-12 18:03:13 +02001736
1737 if (event != NETDEV_DOWN && event != NETDEV_UP)
1738 return 0;
1739
1740 if ((real_dev != event_netdev) &&
1741 (event == NETDEV_DOWN) &&
1742 rdma_link_local_addr((struct in6_addr *)gid))
1743 return 0;
1744
1745 iboe = &ibdev->iboe;
Jack Morgensteindba3ad22014-08-21 14:28:41 +03001746 spin_lock_bh(&iboe->lock);
Moni Shouad487ee72013-12-12 18:03:13 +02001747
Matan Barak82373702014-03-19 18:11:49 +02001748 for (port = 1; port <= ibdev->dev->caps.num_ports; ++port)
Moni Shouad487ee72013-12-12 18:03:13 +02001749 if ((netif_is_bond_master(real_dev) &&
1750 (real_dev == iboe->masters[port - 1])) ||
1751 (!netif_is_bond_master(real_dev) &&
1752 (real_dev == iboe->netdevs[port - 1])))
1753 update_gid_table(ibdev, port, gid,
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001754 event == NETDEV_DOWN, 0);
Moni Shouad487ee72013-12-12 18:03:13 +02001755
Jack Morgensteindba3ad22014-08-21 14:28:41 +03001756 spin_unlock_bh(&iboe->lock);
Eli Cohenfa417f72010-10-24 21:08:52 -07001757 return 0;
Eli Cohen4c3eb3c2010-08-26 17:19:22 +03001758
Eli Cohenfa417f72010-10-24 21:08:52 -07001759}
1760
Moni Shouad487ee72013-12-12 18:03:13 +02001761static u8 mlx4_ib_get_dev_port(struct net_device *dev,
1762 struct mlx4_ib_dev *ibdev)
Eli Cohenfa417f72010-10-24 21:08:52 -07001763{
Moni Shouad487ee72013-12-12 18:03:13 +02001764 u8 port = 0;
1765 struct mlx4_ib_iboe *iboe;
1766 struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ?
1767 rdma_vlan_dev_real_dev(dev) : dev;
Eli Cohenfa417f72010-10-24 21:08:52 -07001768
Moni Shouad487ee72013-12-12 18:03:13 +02001769 iboe = &ibdev->iboe;
Moni Shouad487ee72013-12-12 18:03:13 +02001770
Matan Barak82373702014-03-19 18:11:49 +02001771 for (port = 1; port <= ibdev->dev->caps.num_ports; ++port)
Moni Shouad487ee72013-12-12 18:03:13 +02001772 if ((netif_is_bond_master(real_dev) &&
1773 (real_dev == iboe->masters[port - 1])) ||
1774 (!netif_is_bond_master(real_dev) &&
1775 (real_dev == iboe->netdevs[port - 1])))
1776 break;
1777
Matan Barak82373702014-03-19 18:11:49 +02001778 if ((port == 0) || (port > ibdev->dev->caps.num_ports))
Moni Shouad487ee72013-12-12 18:03:13 +02001779 return 0;
1780 else
1781 return port;
Eli Cohenfa417f72010-10-24 21:08:52 -07001782}
1783
Moni Shouad487ee72013-12-12 18:03:13 +02001784static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event,
Eli Cohenfa417f72010-10-24 21:08:52 -07001785 void *ptr)
1786{
Moni Shouad487ee72013-12-12 18:03:13 +02001787 struct mlx4_ib_dev *ibdev;
1788 struct in_ifaddr *ifa = ptr;
1789 union ib_gid gid;
1790 struct net_device *event_netdev = ifa->ifa_dev->dev;
1791
1792 ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid);
1793
1794 ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet);
1795
1796 mlx4_ib_addr_event(event, event_netdev, ibdev, &gid);
1797 return NOTIFY_DONE;
1798}
1799
Roland Dreier27cdef62014-01-19 15:18:49 -08001800#if IS_ENABLED(CONFIG_IPV6)
Moni Shouad487ee72013-12-12 18:03:13 +02001801static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event,
1802 void *ptr)
1803{
1804 struct mlx4_ib_dev *ibdev;
1805 struct inet6_ifaddr *ifa = ptr;
1806 union ib_gid *gid = (union ib_gid *)&ifa->addr;
1807 struct net_device *event_netdev = ifa->idev->dev;
1808
1809 ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet6);
1810
1811 mlx4_ib_addr_event(event, event_netdev, ibdev, gid);
1812 return NOTIFY_DONE;
1813}
1814#endif
1815
Matan Barak9433c182014-05-15 15:29:28 +03001816#define MLX4_IB_INVALID_MAC ((u64)-1)
1817static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
1818 struct net_device *dev,
1819 int port)
1820{
1821 u64 new_smac = 0;
1822 u64 release_mac = MLX4_IB_INVALID_MAC;
1823 struct mlx4_ib_qp *qp;
1824
1825 read_lock(&dev_base_lock);
1826 new_smac = mlx4_mac_to_u64(dev->dev_addr);
1827 read_unlock(&dev_base_lock);
1828
Jack Morgenstein3e0629c2014-09-11 14:11:17 +03001829 atomic64_set(&ibdev->iboe.mac[port - 1], new_smac);
1830
Jack Morgensteind24d9f42014-09-11 14:11:18 +03001831 /* no need for update QP1 and mac registration in non-SRIOV */
1832 if (!mlx4_is_mfunc(ibdev->dev))
1833 return;
1834
Matan Barak9433c182014-05-15 15:29:28 +03001835 mutex_lock(&ibdev->qp1_proxy_lock[port - 1]);
1836 qp = ibdev->qp1_proxy[port - 1];
1837 if (qp) {
1838 int new_smac_index;
Jack Morgenstein25476b02014-09-11 14:11:20 +03001839 u64 old_smac;
Matan Barak9433c182014-05-15 15:29:28 +03001840 struct mlx4_update_qp_params update_params;
1841
Jack Morgenstein25476b02014-09-11 14:11:20 +03001842 mutex_lock(&qp->mutex);
1843 old_smac = qp->pri.smac;
Matan Barak9433c182014-05-15 15:29:28 +03001844 if (new_smac == old_smac)
1845 goto unlock;
1846
1847 new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac);
1848
1849 if (new_smac_index < 0)
1850 goto unlock;
1851
1852 update_params.smac_index = new_smac_index;
Matan Barak09e05c32014-09-10 16:41:56 +03001853 if (mlx4_update_qp(ibdev->dev, qp->mqp.qpn, MLX4_UPDATE_QP_SMAC,
Matan Barak9433c182014-05-15 15:29:28 +03001854 &update_params)) {
1855 release_mac = new_smac;
1856 goto unlock;
1857 }
Jack Morgenstein25476b02014-09-11 14:11:20 +03001858 /* if old port was zero, no mac was yet registered for this QP */
1859 if (qp->pri.smac_port)
1860 release_mac = old_smac;
Matan Barak9433c182014-05-15 15:29:28 +03001861 qp->pri.smac = new_smac;
Jack Morgenstein25476b02014-09-11 14:11:20 +03001862 qp->pri.smac_port = port;
Matan Barak9433c182014-05-15 15:29:28 +03001863 qp->pri.smac_index = new_smac_index;
Matan Barak9433c182014-05-15 15:29:28 +03001864 }
1865
1866unlock:
Matan Barak9433c182014-05-15 15:29:28 +03001867 if (release_mac != MLX4_IB_INVALID_MAC)
1868 mlx4_unregister_mac(ibdev->dev, port, release_mac);
Jack Morgenstein25476b02014-09-11 14:11:20 +03001869 if (qp)
1870 mutex_unlock(&qp->mutex);
1871 mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
Matan Barak9433c182014-05-15 15:29:28 +03001872}
1873
Moni Shouad487ee72013-12-12 18:03:13 +02001874static void mlx4_ib_get_dev_addr(struct net_device *dev,
1875 struct mlx4_ib_dev *ibdev, u8 port)
1876{
1877 struct in_device *in_dev;
Roland Dreier27cdef62014-01-19 15:18:49 -08001878#if IS_ENABLED(CONFIG_IPV6)
Moni Shouad487ee72013-12-12 18:03:13 +02001879 struct inet6_dev *in6_dev;
1880 union ib_gid *pgid;
1881 struct inet6_ifaddr *ifp;
Moni Shouaf5c48342014-08-21 14:28:38 +03001882 union ib_gid default_gid;
Moni Shouad487ee72013-12-12 18:03:13 +02001883#endif
1884 union ib_gid gid;
1885
1886
Matan Barak82373702014-03-19 18:11:49 +02001887 if ((port == 0) || (port > ibdev->dev->caps.num_ports))
Moni Shouad487ee72013-12-12 18:03:13 +02001888 return;
1889
1890 /* IPv4 gids */
1891 in_dev = in_dev_get(dev);
1892 if (in_dev) {
1893 for_ifa(in_dev) {
1894 /*ifa->ifa_address;*/
1895 ipv6_addr_set_v4mapped(ifa->ifa_address,
1896 (struct in6_addr *)&gid);
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001897 update_gid_table(ibdev, port, &gid, 0, 0);
Moni Shouad487ee72013-12-12 18:03:13 +02001898 }
1899 endfor_ifa(in_dev);
1900 in_dev_put(in_dev);
1901 }
Roland Dreier27cdef62014-01-19 15:18:49 -08001902#if IS_ENABLED(CONFIG_IPV6)
Moni Shouaf5c48342014-08-21 14:28:38 +03001903 mlx4_make_default_gid(dev, &default_gid);
Moni Shouad487ee72013-12-12 18:03:13 +02001904 /* IPv6 gids */
1905 in6_dev = in6_dev_get(dev);
1906 if (in6_dev) {
1907 read_lock_bh(&in6_dev->lock);
1908 list_for_each_entry(ifp, &in6_dev->addr_list, if_list) {
1909 pgid = (union ib_gid *)&ifp->addr;
Moni Shouaf5c48342014-08-21 14:28:38 +03001910 if (!memcmp(pgid, &default_gid, sizeof(*pgid)))
1911 continue;
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001912 update_gid_table(ibdev, port, pgid, 0, 0);
Moni Shouad487ee72013-12-12 18:03:13 +02001913 }
1914 read_unlock_bh(&in6_dev->lock);
1915 in6_dev_put(in6_dev);
1916 }
1917#endif
1918}
1919
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001920static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev,
1921 struct net_device *dev, u8 port)
1922{
1923 union ib_gid gid;
1924 mlx4_make_default_gid(dev, &gid);
1925 update_gid_table(ibdev, port, &gid, 0, 1);
1926}
1927
Moni Shouad487ee72013-12-12 18:03:13 +02001928static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev)
1929{
1930 struct net_device *dev;
Moni Shouaddf8bd342014-02-05 15:13:00 +02001931 struct mlx4_ib_iboe *iboe = &ibdev->iboe;
Moni Shoua50714562014-02-05 15:13:01 +02001932 int i;
Moni Shoua655b2aa2014-08-21 14:28:39 +03001933 int err = 0;
Moni Shouad487ee72013-12-12 18:03:13 +02001934
Moni Shoua655b2aa2014-08-21 14:28:39 +03001935 for (i = 1; i <= ibdev->num_ports; ++i) {
1936 if (rdma_port_get_link_layer(&ibdev->ib_dev, i) ==
1937 IB_LINK_LAYER_ETHERNET) {
1938 err = reset_gid_table(ibdev, i);
1939 if (err)
1940 goto out;
1941 }
1942 }
Moni Shouad487ee72013-12-12 18:03:13 +02001943
1944 read_lock(&dev_base_lock);
Jack Morgensteindba3ad22014-08-21 14:28:41 +03001945 spin_lock_bh(&iboe->lock);
Moni Shouad487ee72013-12-12 18:03:13 +02001946
1947 for_each_netdev(&init_net, dev) {
1948 u8 port = mlx4_ib_get_dev_port(dev, ibdev);
Moni Shoua655b2aa2014-08-21 14:28:39 +03001949 /* port will be non-zero only for ETH ports */
1950 if (port) {
1951 mlx4_ib_set_default_gid(ibdev, dev, port);
Moni Shouad487ee72013-12-12 18:03:13 +02001952 mlx4_ib_get_dev_addr(dev, ibdev, port);
Moni Shoua655b2aa2014-08-21 14:28:39 +03001953 }
Moni Shouad487ee72013-12-12 18:03:13 +02001954 }
1955
Jack Morgensteindba3ad22014-08-21 14:28:41 +03001956 spin_unlock_bh(&iboe->lock);
Moni Shouad487ee72013-12-12 18:03:13 +02001957 read_unlock(&dev_base_lock);
Moni Shoua655b2aa2014-08-21 14:28:39 +03001958out:
1959 return err;
Moni Shouad487ee72013-12-12 18:03:13 +02001960}
1961
Matan Barak9433c182014-05-15 15:29:28 +03001962static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
1963 struct net_device *dev,
1964 unsigned long event)
1965
Moni Shouad487ee72013-12-12 18:03:13 +02001966{
1967 struct mlx4_ib_iboe *iboe;
Matan Barak9433c182014-05-15 15:29:28 +03001968 int update_qps_port = -1;
Moni Shouad487ee72013-12-12 18:03:13 +02001969 int port;
1970
1971 iboe = &ibdev->iboe;
1972
Jack Morgensteindba3ad22014-08-21 14:28:41 +03001973 spin_lock_bh(&iboe->lock);
Moni Shouad487ee72013-12-12 18:03:13 +02001974 mlx4_foreach_ib_transport_port(port, ibdev->dev) {
Moni Shouaad4885d22014-02-05 15:13:02 +02001975 enum ib_port_state port_state = IB_PORT_NOP;
Moni Shouad487ee72013-12-12 18:03:13 +02001976 struct net_device *old_master = iboe->masters[port - 1];
Moni Shouaad4885d22014-02-05 15:13:02 +02001977 struct net_device *curr_netdev;
Moni Shouad487ee72013-12-12 18:03:13 +02001978 struct net_device *curr_master;
Moni Shouaad4885d22014-02-05 15:13:02 +02001979
Moni Shouad487ee72013-12-12 18:03:13 +02001980 iboe->netdevs[port - 1] =
1981 mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port);
Moni Shouaacc4fcc2014-02-05 15:12:58 +02001982 if (iboe->netdevs[port - 1])
1983 mlx4_ib_set_default_gid(ibdev,
1984 iboe->netdevs[port - 1], port);
Moni Shouaad4885d22014-02-05 15:13:02 +02001985 curr_netdev = iboe->netdevs[port - 1];
Moni Shouad487ee72013-12-12 18:03:13 +02001986
1987 if (iboe->netdevs[port - 1] &&
1988 netif_is_bond_slave(iboe->netdevs[port - 1])) {
Moni Shouad487ee72013-12-12 18:03:13 +02001989 iboe->masters[port - 1] = netdev_master_upper_dev_get(
1990 iboe->netdevs[port - 1]);
Moni Shouaad4885d22014-02-05 15:13:02 +02001991 } else {
1992 iboe->masters[port - 1] = NULL;
Moni Shouad487ee72013-12-12 18:03:13 +02001993 }
1994 curr_master = iboe->masters[port - 1];
1995
Matan Barak9433c182014-05-15 15:29:28 +03001996 if (dev == iboe->netdevs[port - 1] &&
1997 (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER ||
1998 event == NETDEV_UP || event == NETDEV_CHANGE))
1999 update_qps_port = port;
2000
Moni Shouaad4885d22014-02-05 15:13:02 +02002001 if (curr_netdev) {
2002 port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ?
2003 IB_PORT_ACTIVE : IB_PORT_DOWN;
2004 mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
Moni Shouabccb84f2014-08-21 14:28:40 +03002005 if (curr_master) {
2006 /* if using bonding/team and a slave port is down, we
2007 * don't want the bond IP based gids in the table since
2008 * flows that select port by gid may get the down port.
2009 */
Moni Shouaa5750092015-02-03 16:48:37 +02002010 if (port_state == IB_PORT_DOWN &&
2011 !mlx4_is_bonded(ibdev->dev)) {
Moni Shouabccb84f2014-08-21 14:28:40 +03002012 reset_gid_table(ibdev, port);
2013 mlx4_ib_set_default_gid(ibdev,
2014 curr_netdev,
2015 port);
2016 } else {
2017 /* gids from the upper dev (bond/team)
2018 * should appear in port's gid table
2019 */
2020 mlx4_ib_get_dev_addr(curr_master,
2021 ibdev, port);
2022 }
Moni Shouae381835c2014-08-21 14:28:37 +03002023 }
2024 /* if bonding is used it is possible that we add it to
2025 * masters only after IP address is assigned to the
2026 * net bonding interface.
2027 */
2028 if (curr_master && (old_master != curr_master)) {
2029 reset_gid_table(ibdev, port);
2030 mlx4_ib_set_default_gid(ibdev,
2031 curr_netdev, port);
2032 mlx4_ib_get_dev_addr(curr_master, ibdev, port);
2033 }
2034
2035 if (!curr_master && (old_master != curr_master)) {
2036 reset_gid_table(ibdev, port);
2037 mlx4_ib_set_default_gid(ibdev,
2038 curr_netdev, port);
2039 mlx4_ib_get_dev_addr(curr_netdev, ibdev, port);
2040 }
Moni Shouaad4885d22014-02-05 15:13:02 +02002041 } else {
2042 reset_gid_table(ibdev, port);
2043 }
Moni Shouad487ee72013-12-12 18:03:13 +02002044 }
2045
Jack Morgensteindba3ad22014-08-21 14:28:41 +03002046 spin_unlock_bh(&iboe->lock);
Matan Barak9433c182014-05-15 15:29:28 +03002047
2048 if (update_qps_port > 0)
2049 mlx4_ib_update_qps(ibdev, dev, update_qps_port);
Moni Shouad487ee72013-12-12 18:03:13 +02002050}
2051
2052static int mlx4_ib_netdev_event(struct notifier_block *this,
2053 unsigned long event, void *ptr)
2054{
Jiri Pirko351638e2013-05-28 01:30:21 +00002055 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
Eli Cohenfa417f72010-10-24 21:08:52 -07002056 struct mlx4_ib_dev *ibdev;
Eli Cohenfa417f72010-10-24 21:08:52 -07002057
2058 if (!net_eq(dev_net(dev), &init_net))
2059 return NOTIFY_DONE;
2060
2061 ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb);
Matan Barak9433c182014-05-15 15:29:28 +03002062 mlx4_ib_scan_netdevs(ibdev, dev, event);
Eli Cohenfa417f72010-10-24 21:08:52 -07002063
2064 return NOTIFY_DONE;
2065}
2066
Jack Morgenstein54679e12012-08-03 08:40:43 +00002067static void init_pkeys(struct mlx4_ib_dev *ibdev)
2068{
2069 int port;
2070 int slave;
2071 int i;
2072
2073 if (mlx4_is_master(ibdev->dev)) {
Yishai Hadas872bf2f2015-01-25 16:59:35 +02002074 for (slave = 0; slave <= ibdev->dev->persist->num_vfs;
2075 ++slave) {
Jack Morgenstein54679e12012-08-03 08:40:43 +00002076 for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
2077 for (i = 0;
2078 i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
2079 ++i) {
2080 ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] =
2081 /* master has the identity virt2phys pkey mapping */
2082 (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i :
2083 ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1;
2084 mlx4_sync_pkey_table(ibdev->dev, slave, port, i,
2085 ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]);
2086 }
2087 }
2088 }
2089 /* initialize pkey cache */
2090 for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
2091 for (i = 0;
2092 i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
2093 ++i)
2094 ibdev->pkeys.phys_pkey_cache[port-1][i] =
2095 (i) ? 0 : 0xFFFF;
2096 }
2097 }
2098}
2099
Shlomo Pongratze605b742012-04-29 17:04:27 +03002100static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
2101{
Matan Barakc66fa192015-05-31 09:30:16 +03002102 int i, j, eq = 0, total_eqs = 0;
Shlomo Pongratze605b742012-04-29 17:04:27 +03002103
Matan Barakc66fa192015-05-31 09:30:16 +03002104 ibdev->eq_table = kcalloc(dev->caps.num_comp_vectors,
2105 sizeof(ibdev->eq_table[0]), GFP_KERNEL);
Shlomo Pongratze605b742012-04-29 17:04:27 +03002106 if (!ibdev->eq_table)
2107 return;
2108
Matan Barakc66fa192015-05-31 09:30:16 +03002109 for (i = 1; i <= dev->caps.num_ports; i++) {
2110 for (j = 0; j < mlx4_get_eqs_per_port(dev, i);
2111 j++, total_eqs++) {
2112 if (i > 1 && mlx4_is_eq_shared(dev, total_eqs))
2113 continue;
2114 ibdev->eq_table[eq] = total_eqs;
2115 if (!mlx4_assign_eq(dev, i,
2116 &ibdev->eq_table[eq]))
2117 eq++;
2118 else
2119 ibdev->eq_table[eq] = -1;
Shlomo Pongratze605b742012-04-29 17:04:27 +03002120 }
2121 }
2122
Matan Barakc66fa192015-05-31 09:30:16 +03002123 for (i = eq; i < dev->caps.num_comp_vectors;
2124 ibdev->eq_table[i++] = -1)
2125 ;
Shlomo Pongratze605b742012-04-29 17:04:27 +03002126
2127 /* Advertise the new number of EQs to clients */
Matan Barakc66fa192015-05-31 09:30:16 +03002128 ibdev->ib_dev.num_comp_vectors = eq;
Shlomo Pongratze605b742012-04-29 17:04:27 +03002129}
2130
2131static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
2132{
2133 int i;
Matan Barakc66fa192015-05-31 09:30:16 +03002134 int total_eqs = ibdev->ib_dev.num_comp_vectors;
Shlomo Pongratz3aac6ff2012-05-24 16:08:07 +03002135
Matan Barakc66fa192015-05-31 09:30:16 +03002136 /* no eqs were allocated */
Shlomo Pongratz3aac6ff2012-05-24 16:08:07 +03002137 if (!ibdev->eq_table)
2138 return;
Shlomo Pongratze605b742012-04-29 17:04:27 +03002139
2140 /* Reset the advertised EQ number */
Matan Barakc66fa192015-05-31 09:30:16 +03002141 ibdev->ib_dev.num_comp_vectors = 0;
Shlomo Pongratze605b742012-04-29 17:04:27 +03002142
Matan Barakc66fa192015-05-31 09:30:16 +03002143 for (i = 0; i < total_eqs; i++)
Shlomo Pongratze605b742012-04-29 17:04:27 +03002144 mlx4_release_eq(dev, ibdev->eq_table[i]);
Shlomo Pongratze605b742012-04-29 17:04:27 +03002145
Shlomo Pongratze605b742012-04-29 17:04:27 +03002146 kfree(ibdev->eq_table);
Matan Barakc66fa192015-05-31 09:30:16 +03002147 ibdev->eq_table = NULL;
Shlomo Pongratze605b742012-04-29 17:04:27 +03002148}
2149
Ira Weiny77386132015-05-13 20:02:58 -04002150static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num,
2151 struct ib_port_immutable *immutable)
2152{
2153 struct ib_port_attr attr;
2154 int err;
2155
2156 err = mlx4_ib_query_port(ibdev, port_num, &attr);
2157 if (err)
2158 return err;
2159
2160 immutable->pkey_tbl_len = attr.pkey_tbl_len;
2161 immutable->gid_tbl_len = attr.gid_tbl_len;
2162
Ira Weinyf9b22e32015-05-13 20:02:59 -04002163 if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND)
2164 immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
2165 else
2166 immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
2167
Ira Weiny337877a2015-06-06 14:38:29 -04002168 immutable->max_mad_size = IB_MGMT_MAD_SIZE;
2169
Ira Weiny77386132015-05-13 20:02:58 -04002170 return 0;
2171}
2172
Roland Dreier225c7b12007-05-08 18:00:38 -07002173static void *mlx4_ib_add(struct mlx4_dev *dev)
2174{
2175 struct mlx4_ib_dev *ibdev;
Roland Dreier22e7ef92009-01-09 13:22:29 -08002176 int num_ports = 0;
Jack Morgenstein035b1032012-05-10 23:28:09 +03002177 int i, j;
Eli Cohenfa417f72010-10-24 21:08:52 -07002178 int err;
2179 struct mlx4_ib_iboe *iboe;
Matan Barak41966702014-02-02 17:06:47 +02002180 int ib_num_ports = 0;
Moni Shouaa5750092015-02-03 16:48:37 +02002181 int num_req_counters;
Eran Ben Elishac3abb512015-06-15 17:59:03 +03002182 int allocated;
2183 u32 counter_index;
Roland Dreier225c7b12007-05-08 18:00:38 -07002184
Shlomo Pongratz987c8f82012-04-29 17:04:26 +03002185 pr_info_once("%s", mlx4_ib_version);
Roland Dreier68f39482008-02-04 20:20:44 -08002186
Jack Morgenstein026149c2012-08-03 08:40:55 +00002187 num_ports = 0;
Eli Cohenfa417f72010-10-24 21:08:52 -07002188 mlx4_foreach_ib_transport_port(i, dev)
Roland Dreier22e7ef92009-01-09 13:22:29 -08002189 num_ports++;
2190
2191 /* No point in registering a device with no ports... */
2192 if (num_ports == 0)
2193 return NULL;
2194
Roland Dreier225c7b12007-05-08 18:00:38 -07002195 ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev);
2196 if (!ibdev) {
Yishai Hadas872bf2f2015-01-25 16:59:35 +02002197 dev_err(&dev->persist->pdev->dev,
2198 "Device struct alloc failed\n");
Roland Dreier225c7b12007-05-08 18:00:38 -07002199 return NULL;
2200 }
2201
Eli Cohenfa417f72010-10-24 21:08:52 -07002202 iboe = &ibdev->iboe;
2203
Roland Dreier225c7b12007-05-08 18:00:38 -07002204 if (mlx4_pd_alloc(dev, &ibdev->priv_pdn))
2205 goto err_dealloc;
2206
2207 if (mlx4_uar_alloc(dev, &ibdev->priv_uar))
2208 goto err_pd;
2209
Roland Dreier4979d182011-01-12 09:50:36 -08002210 ibdev->uar_map = ioremap((phys_addr_t) ibdev->priv_uar.pfn << PAGE_SHIFT,
2211 PAGE_SIZE);
Roland Dreier225c7b12007-05-08 18:00:38 -07002212 if (!ibdev->uar_map)
2213 goto err_uar;
Jack Morgenstein26c6bc72007-05-13 17:18:23 +03002214 MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock);
Roland Dreier225c7b12007-05-08 18:00:38 -07002215
Roland Dreier225c7b12007-05-08 18:00:38 -07002216 ibdev->dev = dev;
Moni Shouac6215742015-02-03 16:48:39 +02002217 ibdev->bond_next_port = 0;
Roland Dreier225c7b12007-05-08 18:00:38 -07002218
2219 strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX);
2220 ibdev->ib_dev.owner = THIS_MODULE;
2221 ibdev->ib_dev.node_type = RDMA_NODE_IB_CA;
Roland Dreier95d04f02008-07-23 08:12:26 -07002222 ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey;
Roland Dreier22e7ef92009-01-09 13:22:29 -08002223 ibdev->num_ports = num_ports;
Moni Shouaa5750092015-02-03 16:48:37 +02002224 ibdev->ib_dev.phys_port_cnt = mlx4_is_bonded(dev) ?
2225 1 : ibdev->num_ports;
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08002226 ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors;
Yishai Hadas872bf2f2015-01-25 16:59:35 +02002227 ibdev->ib_dev.dma_device = &dev->persist->pdev->dev;
Roland Dreier225c7b12007-05-08 18:00:38 -07002228
Or Gerlitz08ff3232012-10-21 14:59:24 +00002229 if (dev->caps.userspace_caps)
2230 ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION;
2231 else
2232 ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION;
2233
Roland Dreier225c7b12007-05-08 18:00:38 -07002234 ibdev->ib_dev.uverbs_cmd_mask =
2235 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
2236 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
2237 (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
2238 (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
2239 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
2240 (1ull << IB_USER_VERBS_CMD_REG_MR) |
Matan Barak93769322014-07-31 11:01:30 +03002241 (1ull << IB_USER_VERBS_CMD_REREG_MR) |
Roland Dreier225c7b12007-05-08 18:00:38 -07002242 (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
2243 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
2244 (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
Vladimir Sokolovskybbf8eed12008-04-16 21:09:33 -07002245 (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
Roland Dreier225c7b12007-05-08 18:00:38 -07002246 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
2247 (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
2248 (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
Jack Morgenstein6a775e22007-06-21 12:27:47 +03002249 (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
Roland Dreier225c7b12007-05-08 18:00:38 -07002250 (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
2251 (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
2252 (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
2253 (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
2254 (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
Jack Morgenstein65541cb2007-06-21 13:03:11 +03002255 (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
Sean Hefty18abd5e2011-06-02 10:43:26 -07002256 (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
Sean Hefty42849b22011-08-11 13:57:43 -07002257 (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) |
2258 (1ull << IB_USER_VERBS_CMD_OPEN_QP);
Roland Dreier225c7b12007-05-08 18:00:38 -07002259
2260 ibdev->ib_dev.query_device = mlx4_ib_query_device;
2261 ibdev->ib_dev.query_port = mlx4_ib_query_port;
Eli Cohenfa417f72010-10-24 21:08:52 -07002262 ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer;
Roland Dreier225c7b12007-05-08 18:00:38 -07002263 ibdev->ib_dev.query_gid = mlx4_ib_query_gid;
2264 ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey;
2265 ibdev->ib_dev.modify_device = mlx4_ib_modify_device;
2266 ibdev->ib_dev.modify_port = mlx4_ib_modify_port;
2267 ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext;
2268 ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext;
2269 ibdev->ib_dev.mmap = mlx4_ib_mmap;
2270 ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd;
2271 ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd;
2272 ibdev->ib_dev.create_ah = mlx4_ib_create_ah;
2273 ibdev->ib_dev.query_ah = mlx4_ib_query_ah;
2274 ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah;
2275 ibdev->ib_dev.create_srq = mlx4_ib_create_srq;
2276 ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq;
Jack Morgenstein65541cb2007-06-21 13:03:11 +03002277 ibdev->ib_dev.query_srq = mlx4_ib_query_srq;
Roland Dreier225c7b12007-05-08 18:00:38 -07002278 ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq;
2279 ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv;
2280 ibdev->ib_dev.create_qp = mlx4_ib_create_qp;
2281 ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp;
Jack Morgenstein6a775e22007-06-21 12:27:47 +03002282 ibdev->ib_dev.query_qp = mlx4_ib_query_qp;
Roland Dreier225c7b12007-05-08 18:00:38 -07002283 ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp;
2284 ibdev->ib_dev.post_send = mlx4_ib_post_send;
2285 ibdev->ib_dev.post_recv = mlx4_ib_post_recv;
2286 ibdev->ib_dev.create_cq = mlx4_ib_create_cq;
Eli Cohen3fdcb972008-04-16 21:09:33 -07002287 ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq;
Vladimir Sokolovskybbf8eed12008-04-16 21:09:33 -07002288 ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq;
Roland Dreier225c7b12007-05-08 18:00:38 -07002289 ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq;
2290 ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq;
2291 ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq;
2292 ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr;
2293 ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr;
Matan Barak93769322014-07-31 11:01:30 +03002294 ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr;
Roland Dreier225c7b12007-05-08 18:00:38 -07002295 ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr;
Roland Dreier95d04f02008-07-23 08:12:26 -07002296 ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr;
2297 ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list;
2298 ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list;
Roland Dreier225c7b12007-05-08 18:00:38 -07002299 ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;
2300 ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach;
2301 ibdev->ib_dev.process_mad = mlx4_ib_process_mad;
Ira Weiny77386132015-05-13 20:02:58 -04002302 ibdev->ib_dev.get_port_immutable = mlx4_port_immutable;
Roland Dreier225c7b12007-05-08 18:00:38 -07002303
Jack Morgenstein992e8e6e2012-08-03 08:40:54 +00002304 if (!mlx4_is_slave(ibdev->dev)) {
2305 ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc;
2306 ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr;
2307 ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr;
2308 ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc;
2309 }
Jack Morgenstein8ad11fb2007-08-01 12:29:05 +03002310
Shani Michaelib4253882013-02-06 16:19:16 +00002311 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW ||
2312 dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) {
2313 ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw;
2314 ibdev->ib_dev.bind_mw = mlx4_ib_bind_mw;
2315 ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw;
2316
2317 ibdev->ib_dev.uverbs_cmd_mask |=
2318 (1ull << IB_USER_VERBS_CMD_ALLOC_MW) |
2319 (1ull << IB_USER_VERBS_CMD_DEALLOC_MW);
2320 }
2321
Sean Hefty012a8ff2011-06-02 09:01:33 -07002322 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) {
2323 ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd;
2324 ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd;
2325 ibdev->ib_dev.uverbs_cmd_mask |=
2326 (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) |
2327 (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD);
2328 }
2329
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03002330 if (check_flow_steering_support(dev)) {
Matan Barak0a9b7d52013-11-07 15:25:15 +02002331 ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED;
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03002332 ibdev->ib_dev.create_flow = mlx4_ib_create_flow;
2333 ibdev->ib_dev.destroy_flow = mlx4_ib_destroy_flow;
2334
Yann Droneaudf21519b2013-11-06 23:21:49 +01002335 ibdev->ib_dev.uverbs_ex_cmd_mask |=
2336 (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) |
2337 (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW);
Hadar Hen Zionf77c0162013-08-14 13:58:31 +03002338 }
2339
Matan Barak4b664c42015-06-11 16:35:27 +03002340 ibdev->ib_dev.uverbs_ex_cmd_mask |=
2341 (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) |
2342 (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ);
2343
Shlomo Pongratze605b742012-04-29 17:04:27 +03002344 mlx4_ib_alloc_eqs(dev, ibdev);
2345
Eli Cohenfa417f72010-10-24 21:08:52 -07002346 spin_lock_init(&iboe->lock);
2347
Roland Dreier225c7b12007-05-08 18:00:38 -07002348 if (init_node_data(ibdev))
2349 goto err_map;
2350
Moni Shouaa5750092015-02-03 16:48:37 +02002351 num_req_counters = mlx4_is_bonded(dev) ? 1 : ibdev->num_ports;
2352 for (i = 0; i < num_req_counters; ++i) {
Matan Barak9433c182014-05-15 15:29:28 +03002353 mutex_init(&ibdev->qp1_proxy_lock[i]);
Eran Ben Elishac3abb512015-06-15 17:59:03 +03002354 allocated = 0;
Or Gerlitzcfcde112011-06-15 14:49:57 +00002355 if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) ==
2356 IB_LINK_LAYER_ETHERNET) {
Eran Ben Elishac3abb512015-06-15 17:59:03 +03002357 err = mlx4_counter_alloc(ibdev->dev, &counter_index);
2358 /* if failed to allocate a new counter, use default */
Or Gerlitzcfcde112011-06-15 14:49:57 +00002359 if (err)
Eran Ben Elishac3abb512015-06-15 17:59:03 +03002360 counter_index =
2361 mlx4_get_default_counter_index(dev,
2362 i + 1);
2363 else
2364 allocated = 1;
2365 } else { /* IB_LINK_LAYER_INFINIBAND use the default counter */
2366 counter_index = mlx4_get_default_counter_index(dev,
2367 i + 1);
Dan Carpenter3839d8a2014-03-28 11:21:39 +03002368 }
Eran Ben Elishac3abb512015-06-15 17:59:03 +03002369 ibdev->counters[i].index = counter_index;
2370 ibdev->counters[i].allocated = allocated;
2371 pr_info("counter index %d for port %d allocated %d\n",
2372 counter_index, i + 1, allocated);
Or Gerlitzcfcde112011-06-15 14:49:57 +00002373 }
Moni Shouaa5750092015-02-03 16:48:37 +02002374 if (mlx4_is_bonded(dev))
Eran Ben Elishac3abb512015-06-15 17:59:03 +03002375 for (i = 1; i < ibdev->num_ports ; ++i) {
2376 ibdev->counters[i].index = ibdev->counters[0].index;
2377 ibdev->counters[i].allocated = 0;
2378 }
Or Gerlitzcfcde112011-06-15 14:49:57 +00002379
Matan Barak41966702014-02-02 17:06:47 +02002380 mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
2381 ib_num_ports++;
2382
Roland Dreier225c7b12007-05-08 18:00:38 -07002383 spin_lock_init(&ibdev->sm_lock);
2384 mutex_init(&ibdev->cap_mask_mutex);
Yishai Hadas35f05da2015-02-08 11:49:34 +02002385 INIT_LIST_HEAD(&ibdev->qp_list);
2386 spin_lock_init(&ibdev->reset_flow_resource_lock);
Roland Dreier225c7b12007-05-08 18:00:38 -07002387
Matan Barak41966702014-02-02 17:06:47 +02002388 if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED &&
2389 ib_num_ports) {
Matan Barakc1c98502013-11-07 15:25:17 +02002390 ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS;
2391 err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count,
2392 MLX4_IB_UC_STEER_QPN_ALIGN,
Eugenia Emantayevddae0342014-12-11 10:57:54 +02002393 &ibdev->steer_qpn_base, 0);
Matan Barakc1c98502013-11-07 15:25:17 +02002394 if (err)
2395 goto err_counter;
2396
2397 ibdev->ib_uc_qpns_bitmap =
2398 kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) *
2399 sizeof(long),
2400 GFP_KERNEL);
2401 if (!ibdev->ib_uc_qpns_bitmap) {
Yishai Hadas872bf2f2015-01-25 16:59:35 +02002402 dev_err(&dev->persist->pdev->dev,
2403 "bit map alloc failed\n");
Matan Barakc1c98502013-11-07 15:25:17 +02002404 goto err_steer_qp_release;
2405 }
2406
2407 bitmap_zero(ibdev->ib_uc_qpns_bitmap, ibdev->steer_qpn_count);
2408
2409 err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE(
2410 dev, ibdev->steer_qpn_base,
2411 ibdev->steer_qpn_base +
2412 ibdev->steer_qpn_count - 1);
2413 if (err)
2414 goto err_steer_free_bitmap;
2415 }
2416
Jack Morgenstein3e0629c2014-09-11 14:11:17 +03002417 for (j = 1; j <= ibdev->dev->caps.num_ports; j++)
2418 atomic64_set(&iboe->mac[j - 1], ibdev->dev->caps.def_mac[j]);
2419
Ralph Campbell9a6edb62010-05-06 17:03:25 -07002420 if (ib_register_device(&ibdev->ib_dev, NULL))
Matan Barakc1c98502013-11-07 15:25:17 +02002421 goto err_steer_free_bitmap;
Roland Dreier225c7b12007-05-08 18:00:38 -07002422
2423 if (mlx4_ib_mad_init(ibdev))
2424 goto err_reg;
2425
Jack Morgensteinfc065732012-08-03 08:40:42 +00002426 if (mlx4_ib_init_sriov(ibdev))
2427 goto err_mad;
2428
Moni Shouad487ee72013-12-12 18:03:13 +02002429 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) {
2430 if (!iboe->nb.notifier_call) {
2431 iboe->nb.notifier_call = mlx4_ib_netdev_event;
2432 err = register_netdevice_notifier(&iboe->nb);
2433 if (err) {
2434 iboe->nb.notifier_call = NULL;
2435 goto err_notif;
2436 }
2437 }
2438 if (!iboe->nb_inet.notifier_call) {
2439 iboe->nb_inet.notifier_call = mlx4_ib_inet_event;
2440 err = register_inetaddr_notifier(&iboe->nb_inet);
2441 if (err) {
2442 iboe->nb_inet.notifier_call = NULL;
2443 goto err_notif;
2444 }
2445 }
Roland Dreier27cdef62014-01-19 15:18:49 -08002446#if IS_ENABLED(CONFIG_IPV6)
Moni Shouad487ee72013-12-12 18:03:13 +02002447 if (!iboe->nb_inet6.notifier_call) {
2448 iboe->nb_inet6.notifier_call = mlx4_ib_inet6_event;
2449 err = register_inet6addr_notifier(&iboe->nb_inet6);
2450 if (err) {
2451 iboe->nb_inet6.notifier_call = NULL;
2452 goto err_notif;
2453 }
2454 }
2455#endif
Moni Shoua655b2aa2014-08-21 14:28:39 +03002456 if (mlx4_ib_init_gid_table(ibdev))
2457 goto err_notif;
Eli Cohenfa417f72010-10-24 21:08:52 -07002458 }
2459
Jack Morgenstein035b1032012-05-10 23:28:09 +03002460 for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) {
Tony Jonesf4e91eb2008-02-22 00:13:36 +01002461 if (device_create_file(&ibdev->ib_dev.dev,
Jack Morgenstein035b1032012-05-10 23:28:09 +03002462 mlx4_class_attributes[j]))
Eli Cohenfa417f72010-10-24 21:08:52 -07002463 goto err_notif;
Jack Morgensteincd9281d2007-09-18 09:14:18 +02002464 }
2465
Jack Morgenstein3b4a8cd2009-09-05 20:24:50 -07002466 ibdev->ib_active = true;
2467
Jack Morgenstein54679e12012-08-03 08:40:43 +00002468 if (mlx4_is_mfunc(ibdev->dev))
2469 init_pkeys(ibdev);
2470
Jack Morgenstein3806d082012-08-03 08:40:58 +00002471 /* create paravirt contexts for any VFs which are active */
2472 if (mlx4_is_master(ibdev->dev)) {
2473 for (j = 0; j < MLX4_MFUNC_MAX; j++) {
2474 if (j == mlx4_master_func_num(ibdev->dev))
2475 continue;
2476 if (mlx4_is_slave_active(ibdev->dev, j))
2477 do_slave_init(ibdev, j, 1);
2478 }
2479 }
Roland Dreier225c7b12007-05-08 18:00:38 -07002480 return ibdev;
2481
Eli Cohenfa417f72010-10-24 21:08:52 -07002482err_notif:
Moni Shouad487ee72013-12-12 18:03:13 +02002483 if (ibdev->iboe.nb.notifier_call) {
2484 if (unregister_netdevice_notifier(&ibdev->iboe.nb))
2485 pr_warn("failure unregistering notifier\n");
2486 ibdev->iboe.nb.notifier_call = NULL;
2487 }
2488 if (ibdev->iboe.nb_inet.notifier_call) {
2489 if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet))
2490 pr_warn("failure unregistering notifier\n");
2491 ibdev->iboe.nb_inet.notifier_call = NULL;
2492 }
Roland Dreier27cdef62014-01-19 15:18:49 -08002493#if IS_ENABLED(CONFIG_IPV6)
Moni Shouad487ee72013-12-12 18:03:13 +02002494 if (ibdev->iboe.nb_inet6.notifier_call) {
2495 if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6))
2496 pr_warn("failure unregistering notifier\n");
2497 ibdev->iboe.nb_inet6.notifier_call = NULL;
2498 }
2499#endif
Eli Cohenfa417f72010-10-24 21:08:52 -07002500 flush_workqueue(wq);
2501
Jack Morgensteinfc065732012-08-03 08:40:42 +00002502 mlx4_ib_close_sriov(ibdev);
2503
2504err_mad:
2505 mlx4_ib_mad_cleanup(ibdev);
2506
Roland Dreier225c7b12007-05-08 18:00:38 -07002507err_reg:
2508 ib_unregister_device(&ibdev->ib_dev);
2509
Matan Barakc1c98502013-11-07 15:25:17 +02002510err_steer_free_bitmap:
2511 kfree(ibdev->ib_uc_qpns_bitmap);
2512
2513err_steer_qp_release:
2514 if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED)
2515 mlx4_qp_release_range(dev, ibdev->steer_qpn_base,
2516 ibdev->steer_qpn_count);
Or Gerlitzcfcde112011-06-15 14:49:57 +00002517err_counter:
Eran Ben Elishac3abb512015-06-15 17:59:03 +03002518 for (i = 0; i < ibdev->num_ports; ++i) {
2519 if (ibdev->counters[i].index != -1 &&
2520 ibdev->counters[i].allocated)
2521 mlx4_counter_free(ibdev->dev,
2522 ibdev->counters[i].index);
2523 }
Roland Dreier225c7b12007-05-08 18:00:38 -07002524err_map:
2525 iounmap(ibdev->uar_map);
2526
2527err_uar:
2528 mlx4_uar_free(dev, &ibdev->priv_uar);
2529
2530err_pd:
2531 mlx4_pd_free(dev, ibdev->priv_pdn);
2532
2533err_dealloc:
2534 ib_dealloc_device(&ibdev->ib_dev);
2535
2536 return NULL;
2537}
2538
Matan Barakc1c98502013-11-07 15:25:17 +02002539int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn)
2540{
2541 int offset;
2542
2543 WARN_ON(!dev->ib_uc_qpns_bitmap);
2544
2545 offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap,
2546 dev->steer_qpn_count,
2547 get_count_order(count));
2548 if (offset < 0)
2549 return offset;
2550
2551 *qpn = dev->steer_qpn_base + offset;
2552 return 0;
2553}
2554
2555void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count)
2556{
2557 if (!qpn ||
2558 dev->steering_support != MLX4_STEERING_MODE_DEVICE_MANAGED)
2559 return;
2560
2561 BUG_ON(qpn < dev->steer_qpn_base);
2562
2563 bitmap_release_region(dev->ib_uc_qpns_bitmap,
2564 qpn - dev->steer_qpn_base,
2565 get_count_order(count));
2566}
2567
2568int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
2569 int is_attach)
2570{
2571 int err;
2572 size_t flow_size;
2573 struct ib_flow_attr *flow = NULL;
2574 struct ib_flow_spec_ib *ib_spec;
2575
2576 if (is_attach) {
2577 flow_size = sizeof(struct ib_flow_attr) +
2578 sizeof(struct ib_flow_spec_ib);
2579 flow = kzalloc(flow_size, GFP_KERNEL);
2580 if (!flow)
2581 return -ENOMEM;
2582 flow->port = mqp->port;
2583 flow->num_of_specs = 1;
2584 flow->size = flow_size;
2585 ib_spec = (struct ib_flow_spec_ib *)(flow + 1);
2586 ib_spec->type = IB_FLOW_SPEC_IB;
2587 ib_spec->size = sizeof(struct ib_flow_spec_ib);
2588 /* Add an empty rule for IB L2 */
2589 memset(&ib_spec->mask, 0, sizeof(ib_spec->mask));
2590
2591 err = __mlx4_ib_create_flow(&mqp->ibqp, flow,
2592 IB_FLOW_DOMAIN_NIC,
2593 MLX4_FS_REGULAR,
2594 &mqp->reg_id);
2595 } else {
2596 err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id);
2597 }
2598 kfree(flow);
2599 return err;
2600}
2601
Roland Dreier225c7b12007-05-08 18:00:38 -07002602static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
2603{
2604 struct mlx4_ib_dev *ibdev = ibdev_ptr;
2605 int p;
2606
Moni Shoua4bf97152014-08-21 14:28:42 +03002607 ibdev->ib_active = false;
2608 flush_workqueue(wq);
2609
Jack Morgensteinfc065732012-08-03 08:40:42 +00002610 mlx4_ib_close_sriov(ibdev);
Yevgeny Petrilina6a47772009-03-18 19:49:54 -07002611 mlx4_ib_mad_cleanup(ibdev);
2612 ib_unregister_device(&ibdev->ib_dev);
Eli Cohenfa417f72010-10-24 21:08:52 -07002613 if (ibdev->iboe.nb.notifier_call) {
2614 if (unregister_netdevice_notifier(&ibdev->iboe.nb))
Shlomo Pongratz987c8f82012-04-29 17:04:26 +03002615 pr_warn("failure unregistering notifier\n");
Eli Cohenfa417f72010-10-24 21:08:52 -07002616 ibdev->iboe.nb.notifier_call = NULL;
2617 }
Matan Barakc1c98502013-11-07 15:25:17 +02002618
2619 if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) {
2620 mlx4_qp_release_range(dev, ibdev->steer_qpn_base,
2621 ibdev->steer_qpn_count);
2622 kfree(ibdev->ib_uc_qpns_bitmap);
2623 }
2624
Moni Shouad487ee72013-12-12 18:03:13 +02002625 if (ibdev->iboe.nb_inet.notifier_call) {
2626 if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet))
2627 pr_warn("failure unregistering notifier\n");
2628 ibdev->iboe.nb_inet.notifier_call = NULL;
2629 }
Roland Dreier27cdef62014-01-19 15:18:49 -08002630#if IS_ENABLED(CONFIG_IPV6)
Moni Shouad487ee72013-12-12 18:03:13 +02002631 if (ibdev->iboe.nb_inet6.notifier_call) {
2632 if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6))
2633 pr_warn("failure unregistering notifier\n");
2634 ibdev->iboe.nb_inet6.notifier_call = NULL;
2635 }
2636#endif
Roland Dreierfb1b5032014-01-22 23:24:21 -08002637
Eli Cohenfa417f72010-10-24 21:08:52 -07002638 iounmap(ibdev->uar_map);
Or Gerlitzcfcde112011-06-15 14:49:57 +00002639 for (p = 0; p < ibdev->num_ports; ++p)
Eran Ben Elishac3abb512015-06-15 17:59:03 +03002640 if (ibdev->counters[p].index != -1 &&
2641 ibdev->counters[p].allocated)
2642 mlx4_counter_free(ibdev->dev, ibdev->counters[p].index);
Eli Cohenfa417f72010-10-24 21:08:52 -07002643 mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB)
Roland Dreier225c7b12007-05-08 18:00:38 -07002644 mlx4_CLOSE_PORT(dev, p);
2645
Shlomo Pongratze605b742012-04-29 17:04:27 +03002646 mlx4_ib_free_eqs(dev, ibdev);
2647
Roland Dreier225c7b12007-05-08 18:00:38 -07002648 mlx4_uar_free(dev, &ibdev->priv_uar);
2649 mlx4_pd_free(dev, ibdev->priv_pdn);
2650 ib_dealloc_device(&ibdev->ib_dev);
2651}
2652
Jack Morgensteinfc065732012-08-03 08:40:42 +00002653static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init)
2654{
2655 struct mlx4_ib_demux_work **dm = NULL;
2656 struct mlx4_dev *dev = ibdev->dev;
2657 int i;
2658 unsigned long flags;
Matan Barak449fc482014-03-19 18:11:52 +02002659 struct mlx4_active_ports actv_ports;
2660 unsigned int ports;
2661 unsigned int first_port;
Jack Morgensteinfc065732012-08-03 08:40:42 +00002662
2663 if (!mlx4_is_master(dev))
2664 return;
2665
Matan Barak449fc482014-03-19 18:11:52 +02002666 actv_ports = mlx4_get_active_ports(dev, slave);
2667 ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports);
2668 first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
2669
2670 dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC);
Jack Morgensteinfc065732012-08-03 08:40:42 +00002671 if (!dm) {
2672 pr_err("failed to allocate memory for tunneling qp update\n");
Maninder Singha39a98f2015-07-08 09:43:35 +05302673 return;
Jack Morgensteinfc065732012-08-03 08:40:42 +00002674 }
2675
Matan Barak449fc482014-03-19 18:11:52 +02002676 for (i = 0; i < ports; i++) {
Jack Morgensteinfc065732012-08-03 08:40:42 +00002677 dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC);
2678 if (!dm[i]) {
2679 pr_err("failed to allocate memory for tunneling qp update work struct\n");
Maninder Singha39a98f2015-07-08 09:43:35 +05302680 while (--i >= 0)
2681 kfree(dm[i]);
Jack Morgensteinfc065732012-08-03 08:40:42 +00002682 goto out;
2683 }
Jack Morgensteinfc065732012-08-03 08:40:42 +00002684 INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work);
Matan Barak449fc482014-03-19 18:11:52 +02002685 dm[i]->port = first_port + i + 1;
Jack Morgensteinfc065732012-08-03 08:40:42 +00002686 dm[i]->slave = slave;
2687 dm[i]->do_init = do_init;
2688 dm[i]->dev = ibdev;
Doug Ledfordd9a047a2015-07-09 10:21:08 -04002689 }
2690 /* initialize or tear down tunnel QPs for the slave */
2691 spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags);
2692 if (!ibdev->sriov.is_going_down) {
2693 for (i = 0; i < ports; i++)
Jack Morgensteinfc065732012-08-03 08:40:42 +00002694 queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work);
2695 spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags);
Doug Ledfordd9a047a2015-07-09 10:21:08 -04002696 } else {
2697 spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags);
2698 for (i = 0; i < ports; i++)
2699 kfree(dm[i]);
Jack Morgensteinfc065732012-08-03 08:40:42 +00002700 }
2701out:
Syam Sidhardhanc89d1272013-02-24 23:20:05 +00002702 kfree(dm);
Jack Morgensteinfc065732012-08-03 08:40:42 +00002703 return;
2704}
2705
Yishai Hadas35f05da2015-02-08 11:49:34 +02002706static void mlx4_ib_handle_catas_error(struct mlx4_ib_dev *ibdev)
2707{
2708 struct mlx4_ib_qp *mqp;
2709 unsigned long flags_qp;
2710 unsigned long flags_cq;
2711 struct mlx4_ib_cq *send_mcq, *recv_mcq;
2712 struct list_head cq_notify_list;
2713 struct mlx4_cq *mcq;
2714 unsigned long flags;
2715
2716 pr_warn("mlx4_ib_handle_catas_error was started\n");
2717 INIT_LIST_HEAD(&cq_notify_list);
2718
2719 /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/
2720 spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags);
2721
2722 list_for_each_entry(mqp, &ibdev->qp_list, qps_list) {
2723 spin_lock_irqsave(&mqp->sq.lock, flags_qp);
2724 if (mqp->sq.tail != mqp->sq.head) {
2725 send_mcq = to_mcq(mqp->ibqp.send_cq);
2726 spin_lock_irqsave(&send_mcq->lock, flags_cq);
2727 if (send_mcq->mcq.comp &&
2728 mqp->ibqp.send_cq->comp_handler) {
2729 if (!send_mcq->mcq.reset_notify_added) {
2730 send_mcq->mcq.reset_notify_added = 1;
2731 list_add_tail(&send_mcq->mcq.reset_notify,
2732 &cq_notify_list);
2733 }
2734 }
2735 spin_unlock_irqrestore(&send_mcq->lock, flags_cq);
2736 }
2737 spin_unlock_irqrestore(&mqp->sq.lock, flags_qp);
2738 /* Now, handle the QP's receive queue */
2739 spin_lock_irqsave(&mqp->rq.lock, flags_qp);
2740 /* no handling is needed for SRQ */
2741 if (!mqp->ibqp.srq) {
2742 if (mqp->rq.tail != mqp->rq.head) {
2743 recv_mcq = to_mcq(mqp->ibqp.recv_cq);
2744 spin_lock_irqsave(&recv_mcq->lock, flags_cq);
2745 if (recv_mcq->mcq.comp &&
2746 mqp->ibqp.recv_cq->comp_handler) {
2747 if (!recv_mcq->mcq.reset_notify_added) {
2748 recv_mcq->mcq.reset_notify_added = 1;
2749 list_add_tail(&recv_mcq->mcq.reset_notify,
2750 &cq_notify_list);
2751 }
2752 }
2753 spin_unlock_irqrestore(&recv_mcq->lock,
2754 flags_cq);
2755 }
2756 }
2757 spin_unlock_irqrestore(&mqp->rq.lock, flags_qp);
2758 }
2759
2760 list_for_each_entry(mcq, &cq_notify_list, reset_notify) {
2761 mcq->comp(mcq);
2762 }
2763 spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags);
2764 pr_warn("mlx4_ib_handle_catas_error ended\n");
2765}
2766
Moni Shouaa5750092015-02-03 16:48:37 +02002767static void handle_bonded_port_state_event(struct work_struct *work)
2768{
2769 struct ib_event_work *ew =
2770 container_of(work, struct ib_event_work, work);
2771 struct mlx4_ib_dev *ibdev = ew->ib_dev;
2772 enum ib_port_state bonded_port_state = IB_PORT_NOP;
2773 int i;
2774 struct ib_event ibev;
2775
2776 kfree(ew);
2777 spin_lock_bh(&ibdev->iboe.lock);
2778 for (i = 0; i < MLX4_MAX_PORTS; ++i) {
2779 struct net_device *curr_netdev = ibdev->iboe.netdevs[i];
Moni Shoua217e8b12015-03-18 16:51:35 +02002780 enum ib_port_state curr_port_state;
Moni Shouaa5750092015-02-03 16:48:37 +02002781
Moni Shoua217e8b12015-03-18 16:51:35 +02002782 if (!curr_netdev)
2783 continue;
2784
2785 curr_port_state =
Moni Shouaa5750092015-02-03 16:48:37 +02002786 (netif_running(curr_netdev) &&
2787 netif_carrier_ok(curr_netdev)) ?
2788 IB_PORT_ACTIVE : IB_PORT_DOWN;
2789
2790 bonded_port_state = (bonded_port_state != IB_PORT_ACTIVE) ?
2791 curr_port_state : IB_PORT_ACTIVE;
2792 }
2793 spin_unlock_bh(&ibdev->iboe.lock);
2794
2795 ibev.device = &ibdev->ib_dev;
2796 ibev.element.port_num = 1;
2797 ibev.event = (bonded_port_state == IB_PORT_ACTIVE) ?
2798 IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR;
2799
2800 ib_dispatch_event(&ibev);
2801}
2802
Roland Dreier225c7b12007-05-08 18:00:38 -07002803static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
Jack Morgenstein00f5ce92012-06-19 11:21:40 +03002804 enum mlx4_dev_event event, unsigned long param)
Roland Dreier225c7b12007-05-08 18:00:38 -07002805{
2806 struct ib_event ibev;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07002807 struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr);
Jack Morgenstein00f5ce92012-06-19 11:21:40 +03002808 struct mlx4_eqe *eqe = NULL;
2809 struct ib_event_work *ew;
Jack Morgensteinfc065732012-08-03 08:40:42 +00002810 int p = 0;
Jack Morgenstein00f5ce92012-06-19 11:21:40 +03002811
Moni Shouaa5750092015-02-03 16:48:37 +02002812 if (mlx4_is_bonded(dev) &&
2813 ((event == MLX4_DEV_EVENT_PORT_UP) ||
2814 (event == MLX4_DEV_EVENT_PORT_DOWN))) {
2815 ew = kmalloc(sizeof(*ew), GFP_ATOMIC);
2816 if (!ew)
2817 return;
2818 INIT_WORK(&ew->work, handle_bonded_port_state_event);
2819 ew->ib_dev = ibdev;
2820 queue_work(wq, &ew->work);
2821 return;
2822 }
2823
Jack Morgenstein00f5ce92012-06-19 11:21:40 +03002824 if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE)
2825 eqe = (struct mlx4_eqe *)param;
2826 else
Jack Morgensteinfc065732012-08-03 08:40:42 +00002827 p = (int) param;
Roland Dreier225c7b12007-05-08 18:00:38 -07002828
2829 switch (event) {
Roland Dreier37608ee2008-04-16 21:01:08 -07002830 case MLX4_DEV_EVENT_PORT_UP:
Jack Morgensteinfc065732012-08-03 08:40:42 +00002831 if (p > ibdev->num_ports)
2832 return;
Jack Morgensteina0c64a12012-08-03 08:40:49 +00002833 if (mlx4_is_master(dev) &&
2834 rdma_port_get_link_layer(&ibdev->ib_dev, p) ==
2835 IB_LINK_LAYER_INFINIBAND) {
2836 mlx4_ib_invalidate_all_guid_record(ibdev, p);
2837 }
Roland Dreier37608ee2008-04-16 21:01:08 -07002838 ibev.event = IB_EVENT_PORT_ACTIVE;
Roland Dreier225c7b12007-05-08 18:00:38 -07002839 break;
2840
Roland Dreier37608ee2008-04-16 21:01:08 -07002841 case MLX4_DEV_EVENT_PORT_DOWN:
Jack Morgensteinfc065732012-08-03 08:40:42 +00002842 if (p > ibdev->num_ports)
2843 return;
Roland Dreier37608ee2008-04-16 21:01:08 -07002844 ibev.event = IB_EVENT_PORT_ERR;
2845 break;
2846
2847 case MLX4_DEV_EVENT_CATASTROPHIC_ERROR:
Jack Morgenstein3b4a8cd2009-09-05 20:24:50 -07002848 ibdev->ib_active = false;
Roland Dreier225c7b12007-05-08 18:00:38 -07002849 ibev.event = IB_EVENT_DEVICE_FATAL;
Yishai Hadas35f05da2015-02-08 11:49:34 +02002850 mlx4_ib_handle_catas_error(ibdev);
Roland Dreier225c7b12007-05-08 18:00:38 -07002851 break;
2852
Jack Morgenstein00f5ce92012-06-19 11:21:40 +03002853 case MLX4_DEV_EVENT_PORT_MGMT_CHANGE:
2854 ew = kmalloc(sizeof *ew, GFP_ATOMIC);
2855 if (!ew) {
2856 pr_err("failed to allocate memory for events work\n");
2857 break;
2858 }
2859
2860 INIT_WORK(&ew->work, handle_port_mgmt_change_event);
2861 memcpy(&ew->ib_eqe, eqe, sizeof *eqe);
2862 ew->ib_dev = ibdev;
Jack Morgenstein992e8e6e2012-08-03 08:40:54 +00002863 /* need to queue only for port owner, which uses GEN_EQE */
2864 if (mlx4_is_master(dev))
2865 queue_work(wq, &ew->work);
2866 else
2867 handle_port_mgmt_change_event(&ew->work);
Jack Morgenstein00f5ce92012-06-19 11:21:40 +03002868 return;
2869
Jack Morgensteinfc065732012-08-03 08:40:42 +00002870 case MLX4_DEV_EVENT_SLAVE_INIT:
2871 /* here, p is the slave id */
2872 do_slave_init(ibdev, p, 1);
Yishai Hadasee59fa02015-03-03 17:28:49 +02002873 if (mlx4_is_master(dev)) {
2874 int i;
2875
2876 for (i = 1; i <= ibdev->num_ports; i++) {
2877 if (rdma_port_get_link_layer(&ibdev->ib_dev, i)
2878 == IB_LINK_LAYER_INFINIBAND)
2879 mlx4_ib_slave_alias_guid_event(ibdev,
2880 p, i,
2881 1);
2882 }
2883 }
Jack Morgensteinfc065732012-08-03 08:40:42 +00002884 return;
2885
2886 case MLX4_DEV_EVENT_SLAVE_SHUTDOWN:
Yishai Hadasee59fa02015-03-03 17:28:49 +02002887 if (mlx4_is_master(dev)) {
2888 int i;
2889
2890 for (i = 1; i <= ibdev->num_ports; i++) {
2891 if (rdma_port_get_link_layer(&ibdev->ib_dev, i)
2892 == IB_LINK_LAYER_INFINIBAND)
2893 mlx4_ib_slave_alias_guid_event(ibdev,
2894 p, i,
2895 0);
2896 }
2897 }
Jack Morgensteinfc065732012-08-03 08:40:42 +00002898 /* here, p is the slave id */
2899 do_slave_init(ibdev, p, 0);
2900 return;
2901
Roland Dreier225c7b12007-05-08 18:00:38 -07002902 default:
2903 return;
2904 }
2905
2906 ibev.device = ibdev_ptr;
Moni Shouaa5750092015-02-03 16:48:37 +02002907 ibev.element.port_num = mlx4_is_bonded(ibdev->dev) ? 1 : (u8)p;
Roland Dreier225c7b12007-05-08 18:00:38 -07002908
2909 ib_dispatch_event(&ibev);
2910}
2911
2912static struct mlx4_interface mlx4_ib_interface = {
Eli Cohenfa417f72010-10-24 21:08:52 -07002913 .add = mlx4_ib_add,
2914 .remove = mlx4_ib_remove,
2915 .event = mlx4_ib_event,
Moni Shouaa5750092015-02-03 16:48:37 +02002916 .protocol = MLX4_PROT_IB_IPV6,
2917 .flags = MLX4_INTFF_BONDING
Roland Dreier225c7b12007-05-08 18:00:38 -07002918};
2919
2920static int __init mlx4_ib_init(void)
2921{
Eli Cohenfa417f72010-10-24 21:08:52 -07002922 int err;
2923
2924 wq = create_singlethread_workqueue("mlx4_ib");
2925 if (!wq)
2926 return -ENOMEM;
2927
Oren Duerb9c5d6a2012-08-03 08:40:46 +00002928 err = mlx4_ib_mcg_init();
2929 if (err)
2930 goto clean_wq;
2931
Eli Cohenfa417f72010-10-24 21:08:52 -07002932 err = mlx4_register_interface(&mlx4_ib_interface);
Oren Duerb9c5d6a2012-08-03 08:40:46 +00002933 if (err)
2934 goto clean_mcg;
Eli Cohenfa417f72010-10-24 21:08:52 -07002935
2936 return 0;
Oren Duerb9c5d6a2012-08-03 08:40:46 +00002937
2938clean_mcg:
2939 mlx4_ib_mcg_destroy();
2940
2941clean_wq:
2942 destroy_workqueue(wq);
2943 return err;
Roland Dreier225c7b12007-05-08 18:00:38 -07002944}
2945
2946static void __exit mlx4_ib_cleanup(void)
2947{
2948 mlx4_unregister_interface(&mlx4_ib_interface);
Oren Duerb9c5d6a2012-08-03 08:40:46 +00002949 mlx4_ib_mcg_destroy();
Eli Cohenfa417f72010-10-24 21:08:52 -07002950 destroy_workqueue(wq);
Roland Dreier225c7b12007-05-08 18:00:38 -07002951}
2952
2953module_init(mlx4_ib_init);
2954module_exit(mlx4_ib_cleanup);