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225c7b1f RD |
1 | /* |
2 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. | |
51a379d0 | 3 | * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. |
225c7b1f RD |
4 | * |
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> | |
5a0e3ad6 | 36 | #include <linux/slab.h> |
225c7b1f | 37 | #include <linux/errno.h> |
fa417f7b EC |
38 | #include <linux/netdevice.h> |
39 | #include <linux/inetdevice.h> | |
40 | #include <linux/rtnetlink.h> | |
4c3eb3ca | 41 | #include <linux/if_vlan.h> |
d487ee77 MS |
42 | #include <net/ipv6.h> |
43 | #include <net/addrconf.h> | |
225c7b1f RD |
44 | |
45 | #include <rdma/ib_smi.h> | |
46 | #include <rdma/ib_user_verbs.h> | |
fa417f7b | 47 | #include <rdma/ib_addr.h> |
225c7b1f RD |
48 | |
49 | #include <linux/mlx4/driver.h> | |
50 | #include <linux/mlx4/cmd.h> | |
9433c188 | 51 | #include <linux/mlx4/qp.h> |
225c7b1f RD |
52 | |
53 | #include "mlx4_ib.h" | |
54 | #include "user.h" | |
55 | ||
b1d8eb5a | 56 | #define DRV_NAME MLX4_IB_DRV_NAME |
169a1d85 AV |
57 | #define DRV_VERSION "2.2-1" |
58 | #define DRV_RELDATE "Feb 2014" | |
225c7b1f | 59 | |
f77c0162 | 60 | #define MLX4_IB_FLOW_MAX_PRIO 0xFFF |
a37a1a42 | 61 | #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF |
50e2ec91 | 62 | #define MLX4_IB_CARD_REV_A0 0xA0 |
f77c0162 | 63 | |
225c7b1f RD |
64 | MODULE_AUTHOR("Roland Dreier"); |
65 | MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver"); | |
66 | MODULE_LICENSE("Dual BSD/GPL"); | |
67 | MODULE_VERSION(DRV_VERSION); | |
68 | ||
a0c64a17 JM |
69 | int mlx4_ib_sm_guid_assign = 1; |
70 | module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444); | |
71 | MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 1)"); | |
72 | ||
68f3948d | 73 | static const char mlx4_ib_version[] = |
225c7b1f RD |
74 | DRV_NAME ": Mellanox ConnectX InfiniBand driver v" |
75 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
76 | ||
fa417f7b EC |
77 | struct 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 | ||
3806d08c JM |
84 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init); |
85 | ||
fa417f7b EC |
86 | static struct workqueue_struct *wq; |
87 | ||
225c7b1f RD |
88 | static 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 | ||
4c3eb3ca EC |
96 | static union ib_gid zgid; |
97 | ||
f77c0162 HHZ |
98 | static int check_flow_steering_support(struct mlx4_dev *dev) |
99 | { | |
0a9b7d59 | 100 | int eth_num_ports = 0; |
f77c0162 | 101 | int ib_num_ports = 0; |
f77c0162 | 102 | |
0a9b7d59 MB |
103 | int dmfs = dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED; |
104 | ||
105 | 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; | |
f77c0162 | 118 | } |
f77c0162 | 119 | } |
0a9b7d59 | 120 | return dmfs; |
f77c0162 HHZ |
121 | } |
122 | ||
3dec4878 JM |
123 | static 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 | ||
225c7b1f RD |
134 | static int mlx4_ib_query_device(struct ib_device *ibdev, |
135 | struct ib_device_attr *props) | |
136 | { | |
137 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
138 | struct ib_smp *in_mad = NULL; | |
139 | struct ib_smp *out_mad = NULL; | |
140 | int err = -ENOMEM; | |
3dec4878 | 141 | int have_ib_ports; |
225c7b1f RD |
142 | |
143 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
144 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
145 | if (!in_mad || !out_mad) | |
146 | goto out; | |
147 | ||
148 | init_query_mad(in_mad); | |
149 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
150 | ||
0a9a0188 JM |
151 | err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS, |
152 | 1, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
153 | if (err) |
154 | goto out; | |
155 | ||
156 | memset(props, 0, sizeof *props); | |
157 | ||
3dec4878 JM |
158 | have_ib_ports = num_ib_ports(dev->dev); |
159 | ||
225c7b1f RD |
160 | props->fw_ver = dev->dev->caps.fw_ver; |
161 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | | |
162 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
163 | IB_DEVICE_SYS_IMAGE_GUID | | |
521e575b RL |
164 | IB_DEVICE_RC_RNR_NAK_GEN | |
165 | IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; | |
225c7b1f RD |
166 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR) |
167 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; | |
168 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR) | |
169 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; | |
3dec4878 | 170 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM && have_ib_ports) |
225c7b1f RD |
171 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
172 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) | |
173 | props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; | |
8ff095ec EC |
174 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) |
175 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
50e2ec91 MS |
176 | if (dev->dev->caps.max_gso_sz && |
177 | (dev->dev->rev_id != MLX4_IB_CARD_REV_A0) && | |
178 | (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH)) | |
b832be1e | 179 | props->device_cap_flags |= IB_DEVICE_UD_TSO; |
95d04f07 RD |
180 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY) |
181 | props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; | |
182 | if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) && | |
183 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) && | |
184 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR)) | |
185 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
0a1405da SH |
186 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) |
187 | props->device_cap_flags |= IB_DEVICE_XRC; | |
b425388d SM |
188 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW) |
189 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW; | |
190 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
191 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B) | |
192 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
193 | else | |
194 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A; | |
0a9b7d59 | 195 | if (dev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) |
f77c0162 | 196 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; |
b425388d | 197 | } |
225c7b1f RD |
198 | |
199 | props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & | |
200 | 0xffffff; | |
992e8e6e | 201 | props->vendor_part_id = dev->dev->pdev->device; |
225c7b1f RD |
202 | props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
203 | memcpy(&props->sys_image_guid, out_mad->data + 4, 8); | |
204 | ||
205 | props->max_mr_size = ~0ull; | |
206 | props->page_size_cap = dev->dev->caps.page_size_cap; | |
5a0d0a61 | 207 | props->max_qp = dev->dev->quotas.qp; |
fc2d0044 | 208 | props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; |
225c7b1f RD |
209 | props->max_sge = min(dev->dev->caps.max_sq_sg, |
210 | dev->dev->caps.max_rq_sg); | |
5a0d0a61 | 211 | props->max_cq = dev->dev->quotas.cq; |
225c7b1f | 212 | props->max_cqe = dev->dev->caps.max_cqes; |
5a0d0a61 | 213 | props->max_mr = dev->dev->quotas.mpt; |
225c7b1f RD |
214 | props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds; |
215 | props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma; | |
216 | props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma; | |
217 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; | |
5a0d0a61 | 218 | props->max_srq = dev->dev->quotas.srq; |
c8681f14 | 219 | props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; |
225c7b1f | 220 | props->max_srq_sge = dev->dev->caps.max_srq_sge; |
5a0fd094 | 221 | props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; |
225c7b1f RD |
222 | props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; |
223 | props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? | |
224 | IB_ATOMIC_HCA : IB_ATOMIC_NONE; | |
47e956b2 | 225 | props->masked_atomic_cap = props->atomic_cap; |
5ae2a7a8 | 226 | props->max_pkeys = dev->dev->caps.pkey_table_len[1]; |
225c7b1f RD |
227 | props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms; |
228 | props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; | |
229 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * | |
230 | props->max_mcast_grp; | |
a5bbe892 | 231 | props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; |
225c7b1f RD |
232 | |
233 | out: | |
234 | kfree(in_mad); | |
235 | kfree(out_mad); | |
236 | ||
237 | return err; | |
238 | } | |
239 | ||
fa417f7b EC |
240 | static enum rdma_link_layer |
241 | mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
225c7b1f | 242 | { |
fa417f7b | 243 | struct mlx4_dev *dev = to_mdev(device)->dev; |
225c7b1f | 244 | |
65dab25d | 245 | return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ? |
fa417f7b EC |
246 | IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; |
247 | } | |
225c7b1f | 248 | |
fa417f7b | 249 | static int ib_link_query_port(struct ib_device *ibdev, u8 port, |
0a9a0188 | 250 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 251 | { |
a9c766bb OG |
252 | struct ib_smp *in_mad = NULL; |
253 | struct ib_smp *out_mad = NULL; | |
a5e12dff | 254 | int ext_active_speed; |
0a9a0188 | 255 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
a9c766bb OG |
256 | int err = -ENOMEM; |
257 | ||
258 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
259 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
260 | if (!in_mad || !out_mad) | |
261 | goto out; | |
262 | ||
263 | init_query_mad(in_mad); | |
264 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
265 | in_mad->attr_mod = cpu_to_be32(port); | |
266 | ||
0a9a0188 JM |
267 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
268 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
269 | ||
270 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
a9c766bb OG |
271 | in_mad, out_mad); |
272 | if (err) | |
273 | goto out; | |
274 | ||
a5e12dff | 275 | |
225c7b1f RD |
276 | props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); |
277 | props->lmc = out_mad->data[34] & 0x7; | |
278 | props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); | |
279 | props->sm_sl = out_mad->data[36] & 0xf; | |
280 | props->state = out_mad->data[32] & 0xf; | |
281 | props->phys_state = out_mad->data[33] >> 4; | |
282 | props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); | |
0a9a0188 JM |
283 | if (netw_view) |
284 | props->gid_tbl_len = out_mad->data[50]; | |
285 | else | |
286 | props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; | |
149983af | 287 | props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; |
5ae2a7a8 | 288 | props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; |
225c7b1f RD |
289 | props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); |
290 | props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); | |
291 | props->active_width = out_mad->data[31] & 0xf; | |
292 | props->active_speed = out_mad->data[35] >> 4; | |
293 | props->max_mtu = out_mad->data[41] & 0xf; | |
294 | props->active_mtu = out_mad->data[36] >> 4; | |
295 | props->subnet_timeout = out_mad->data[51] & 0x1f; | |
296 | props->max_vl_num = out_mad->data[37] >> 4; | |
297 | props->init_type_reply = out_mad->data[41] >> 4; | |
298 | ||
a5e12dff MA |
299 | /* Check if extended speeds (EDR/FDR/...) are supported */ |
300 | if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { | |
301 | ext_active_speed = out_mad->data[62] >> 4; | |
302 | ||
303 | switch (ext_active_speed) { | |
304 | case 1: | |
2e96691c | 305 | props->active_speed = IB_SPEED_FDR; |
a5e12dff MA |
306 | break; |
307 | case 2: | |
2e96691c | 308 | props->active_speed = IB_SPEED_EDR; |
a5e12dff MA |
309 | break; |
310 | } | |
311 | } | |
312 | ||
313 | /* If reported active speed is QDR, check if is FDR-10 */ | |
2e96691c | 314 | if (props->active_speed == IB_SPEED_QDR) { |
8154c07f OG |
315 | init_query_mad(in_mad); |
316 | in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO; | |
317 | in_mad->attr_mod = cpu_to_be32(port); | |
318 | ||
0a9a0188 | 319 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, |
8154c07f OG |
320 | NULL, NULL, in_mad, out_mad); |
321 | if (err) | |
bf6b47de | 322 | goto out; |
8154c07f OG |
323 | |
324 | /* Checking LinkSpeedActive for FDR-10 */ | |
325 | if (out_mad->data[15] & 0x1) | |
326 | props->active_speed = IB_SPEED_FDR10; | |
a5e12dff | 327 | } |
d2ef4068 OG |
328 | |
329 | /* Avoid wrong speed value returned by FW if the IB link is down. */ | |
330 | if (props->state == IB_PORT_DOWN) | |
331 | props->active_speed = IB_SPEED_SDR; | |
332 | ||
a9c766bb OG |
333 | out: |
334 | kfree(in_mad); | |
335 | kfree(out_mad); | |
336 | return err; | |
fa417f7b EC |
337 | } |
338 | ||
339 | static u8 state_to_phys_state(enum ib_port_state state) | |
340 | { | |
341 | return state == IB_PORT_ACTIVE ? 5 : 3; | |
342 | } | |
343 | ||
344 | static int eth_link_query_port(struct ib_device *ibdev, u8 port, | |
0a9a0188 | 345 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 346 | { |
a9c766bb OG |
347 | |
348 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); | |
349 | struct mlx4_ib_iboe *iboe = &mdev->iboe; | |
fa417f7b EC |
350 | struct net_device *ndev; |
351 | enum ib_mtu tmp; | |
a9c766bb OG |
352 | struct mlx4_cmd_mailbox *mailbox; |
353 | int err = 0; | |
354 | ||
355 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
356 | if (IS_ERR(mailbox)) | |
357 | return PTR_ERR(mailbox); | |
fa417f7b | 358 | |
a9c766bb OG |
359 | err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, |
360 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
361 | MLX4_CMD_WRAPPED); | |
362 | if (err) | |
363 | goto out; | |
364 | ||
365 | props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? | |
366 | IB_WIDTH_4X : IB_WIDTH_1X; | |
2e96691c | 367 | props->active_speed = IB_SPEED_QDR; |
b4a26a27 | 368 | props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS; |
a9c766bb OG |
369 | props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; |
370 | props->max_msg_sz = mdev->dev->caps.max_msg_sz; | |
fa417f7b | 371 | props->pkey_tbl_len = 1; |
bcacb897 | 372 | props->max_mtu = IB_MTU_4096; |
a9c766bb | 373 | props->max_vl_num = 2; |
fa417f7b EC |
374 | props->state = IB_PORT_DOWN; |
375 | props->phys_state = state_to_phys_state(props->state); | |
376 | props->active_mtu = IB_MTU_256; | |
dba3ad2a | 377 | spin_lock_bh(&iboe->lock); |
fa417f7b EC |
378 | ndev = iboe->netdevs[port - 1]; |
379 | if (!ndev) | |
a9c766bb | 380 | goto out_unlock; |
fa417f7b EC |
381 | |
382 | tmp = iboe_get_mtu(ndev->mtu); | |
383 | props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; | |
384 | ||
21d60609 | 385 | props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ? |
fa417f7b EC |
386 | IB_PORT_ACTIVE : IB_PORT_DOWN; |
387 | props->phys_state = state_to_phys_state(props->state); | |
a9c766bb | 388 | out_unlock: |
dba3ad2a | 389 | spin_unlock_bh(&iboe->lock); |
a9c766bb OG |
390 | out: |
391 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
392 | return err; | |
fa417f7b EC |
393 | } |
394 | ||
0a9a0188 JM |
395 | int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
396 | struct ib_port_attr *props, int netw_view) | |
fa417f7b | 397 | { |
a9c766bb | 398 | int err; |
fa417f7b EC |
399 | |
400 | memset(props, 0, sizeof *props); | |
401 | ||
fa417f7b | 402 | err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? |
0a9a0188 JM |
403 | ib_link_query_port(ibdev, port, props, netw_view) : |
404 | eth_link_query_port(ibdev, port, props, netw_view); | |
225c7b1f RD |
405 | |
406 | return err; | |
407 | } | |
408 | ||
0a9a0188 JM |
409 | static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
410 | struct ib_port_attr *props) | |
411 | { | |
412 | /* returns host view */ | |
413 | return __mlx4_ib_query_port(ibdev, port, props, 0); | |
414 | } | |
415 | ||
a0c64a17 JM |
416 | int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
417 | union ib_gid *gid, int netw_view) | |
225c7b1f RD |
418 | { |
419 | struct ib_smp *in_mad = NULL; | |
420 | struct ib_smp *out_mad = NULL; | |
421 | int err = -ENOMEM; | |
a0c64a17 JM |
422 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
423 | int clear = 0; | |
424 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; | |
225c7b1f RD |
425 | |
426 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
427 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
428 | if (!in_mad || !out_mad) | |
429 | goto out; | |
430 | ||
431 | init_query_mad(in_mad); | |
432 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
433 | in_mad->attr_mod = cpu_to_be32(port); | |
434 | ||
a0c64a17 JM |
435 | if (mlx4_is_mfunc(dev->dev) && netw_view) |
436 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
437 | ||
438 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
439 | if (err) |
440 | goto out; | |
441 | ||
442 | memcpy(gid->raw, out_mad->data + 8, 8); | |
443 | ||
a0c64a17 JM |
444 | if (mlx4_is_mfunc(dev->dev) && !netw_view) { |
445 | if (index) { | |
446 | /* For any index > 0, return the null guid */ | |
447 | err = 0; | |
448 | clear = 1; | |
449 | goto out; | |
450 | } | |
451 | } | |
452 | ||
225c7b1f RD |
453 | init_query_mad(in_mad); |
454 | in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; | |
455 | in_mad->attr_mod = cpu_to_be32(index / 8); | |
456 | ||
a0c64a17 | 457 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, |
0a9a0188 | 458 | NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
459 | if (err) |
460 | goto out; | |
461 | ||
462 | memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); | |
463 | ||
464 | out: | |
a0c64a17 JM |
465 | if (clear) |
466 | memset(gid->raw + 8, 0, 8); | |
225c7b1f RD |
467 | kfree(in_mad); |
468 | kfree(out_mad); | |
469 | return err; | |
470 | } | |
471 | ||
fa417f7b EC |
472 | static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index, |
473 | union ib_gid *gid) | |
474 | { | |
475 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
476 | ||
477 | *gid = dev->iboe.gid_table[port - 1][index]; | |
478 | ||
479 | return 0; | |
480 | } | |
481 | ||
482 | static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, | |
483 | union ib_gid *gid) | |
484 | { | |
485 | if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND) | |
a0c64a17 | 486 | return __mlx4_ib_query_gid(ibdev, port, index, gid, 0); |
fa417f7b EC |
487 | else |
488 | return iboe_query_gid(ibdev, port, index, gid); | |
489 | } | |
490 | ||
0a9a0188 JM |
491 | int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
492 | u16 *pkey, int netw_view) | |
225c7b1f RD |
493 | { |
494 | struct ib_smp *in_mad = NULL; | |
495 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 496 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
497 | int err = -ENOMEM; |
498 | ||
499 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
500 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
501 | if (!in_mad || !out_mad) | |
502 | goto out; | |
503 | ||
504 | init_query_mad(in_mad); | |
505 | in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; | |
506 | in_mad->attr_mod = cpu_to_be32(index / 32); | |
507 | ||
0a9a0188 JM |
508 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
509 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
510 | ||
511 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
512 | in_mad, out_mad); | |
225c7b1f RD |
513 | if (err) |
514 | goto out; | |
515 | ||
516 | *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); | |
517 | ||
518 | out: | |
519 | kfree(in_mad); | |
520 | kfree(out_mad); | |
521 | return err; | |
522 | } | |
523 | ||
0a9a0188 JM |
524 | static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) |
525 | { | |
526 | return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0); | |
527 | } | |
528 | ||
225c7b1f RD |
529 | static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, |
530 | struct ib_device_modify *props) | |
531 | { | |
d0d68b86 | 532 | struct mlx4_cmd_mailbox *mailbox; |
df7fba66 | 533 | unsigned long flags; |
d0d68b86 | 534 | |
225c7b1f RD |
535 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) |
536 | return -EOPNOTSUPP; | |
537 | ||
d0d68b86 JM |
538 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) |
539 | return 0; | |
540 | ||
992e8e6e JM |
541 | if (mlx4_is_slave(to_mdev(ibdev)->dev)) |
542 | return -EOPNOTSUPP; | |
543 | ||
df7fba66 | 544 | spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 | 545 | memcpy(ibdev->node_desc, props->node_desc, 64); |
df7fba66 | 546 | spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 JM |
547 | |
548 | /* | |
549 | * If possible, pass node desc to FW, so it can generate | |
550 | * a 144 trap. If cmd fails, just ignore. | |
551 | */ | |
552 | mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); | |
553 | if (IS_ERR(mailbox)) | |
554 | return 0; | |
555 | ||
d0d68b86 JM |
556 | memcpy(mailbox->buf, props->node_desc, 64); |
557 | mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, | |
992e8e6e | 558 | MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
d0d68b86 JM |
559 | |
560 | mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); | |
225c7b1f RD |
561 | |
562 | return 0; | |
563 | } | |
564 | ||
61565013 JM |
565 | static int mlx4_ib_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, |
566 | u32 cap_mask) | |
225c7b1f RD |
567 | { |
568 | struct mlx4_cmd_mailbox *mailbox; | |
569 | int err; | |
570 | ||
571 | mailbox = mlx4_alloc_cmd_mailbox(dev->dev); | |
572 | if (IS_ERR(mailbox)) | |
573 | return PTR_ERR(mailbox); | |
574 | ||
5ae2a7a8 RD |
575 | if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
576 | *(u8 *) mailbox->buf = !!reset_qkey_viols << 6; | |
577 | ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask); | |
578 | } else { | |
579 | ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols; | |
580 | ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); | |
581 | } | |
225c7b1f | 582 | |
61565013 JM |
583 | err = mlx4_cmd(dev->dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT, |
584 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); | |
225c7b1f RD |
585 | |
586 | mlx4_free_cmd_mailbox(dev->dev, mailbox); | |
587 | return err; | |
588 | } | |
589 | ||
590 | static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, | |
591 | struct ib_port_modify *props) | |
592 | { | |
61565013 JM |
593 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); |
594 | u8 is_eth = mdev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; | |
225c7b1f RD |
595 | struct ib_port_attr attr; |
596 | u32 cap_mask; | |
597 | int err; | |
598 | ||
61565013 JM |
599 | /* return OK if this is RoCE. CM calls ib_modify_port() regardless |
600 | * of whether port link layer is ETH or IB. For ETH ports, qkey | |
601 | * violations and port capabilities are not meaningful. | |
602 | */ | |
603 | if (is_eth) | |
604 | return 0; | |
605 | ||
606 | mutex_lock(&mdev->cap_mask_mutex); | |
225c7b1f RD |
607 | |
608 | err = mlx4_ib_query_port(ibdev, port, &attr); | |
609 | if (err) | |
610 | goto out; | |
611 | ||
612 | cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & | |
613 | ~props->clr_port_cap_mask; | |
614 | ||
61565013 JM |
615 | err = mlx4_ib_SET_PORT(mdev, port, |
616 | !!(mask & IB_PORT_RESET_QKEY_CNTR), | |
617 | cap_mask); | |
225c7b1f RD |
618 | |
619 | out: | |
620 | mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex); | |
621 | return err; | |
622 | } | |
623 | ||
624 | static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev, | |
625 | struct ib_udata *udata) | |
626 | { | |
627 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
628 | struct mlx4_ib_ucontext *context; | |
08ff3235 | 629 | struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3; |
225c7b1f RD |
630 | struct mlx4_ib_alloc_ucontext_resp resp; |
631 | int err; | |
632 | ||
3b4a8cd5 JM |
633 | if (!dev->ib_active) |
634 | return ERR_PTR(-EAGAIN); | |
635 | ||
08ff3235 OG |
636 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) { |
637 | resp_v3.qp_tab_size = dev->dev->caps.num_qps; | |
638 | resp_v3.bf_reg_size = dev->dev->caps.bf_reg_size; | |
639 | resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
640 | } else { | |
641 | resp.dev_caps = dev->dev->caps.userspace_caps; | |
642 | resp.qp_tab_size = dev->dev->caps.num_qps; | |
643 | resp.bf_reg_size = dev->dev->caps.bf_reg_size; | |
644 | resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
645 | resp.cqe_size = dev->dev->caps.cqe_size; | |
646 | } | |
225c7b1f RD |
647 | |
648 | context = kmalloc(sizeof *context, GFP_KERNEL); | |
649 | if (!context) | |
650 | return ERR_PTR(-ENOMEM); | |
651 | ||
652 | err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar); | |
653 | if (err) { | |
654 | kfree(context); | |
655 | return ERR_PTR(err); | |
656 | } | |
657 | ||
658 | INIT_LIST_HEAD(&context->db_page_list); | |
659 | mutex_init(&context->db_page_mutex); | |
660 | ||
08ff3235 OG |
661 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) |
662 | err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3)); | |
663 | else | |
664 | err = ib_copy_to_udata(udata, &resp, sizeof(resp)); | |
665 | ||
225c7b1f RD |
666 | if (err) { |
667 | mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar); | |
668 | kfree(context); | |
669 | return ERR_PTR(-EFAULT); | |
670 | } | |
671 | ||
672 | return &context->ibucontext; | |
673 | } | |
674 | ||
675 | static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
676 | { | |
677 | struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); | |
678 | ||
679 | mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar); | |
680 | kfree(context); | |
681 | ||
682 | return 0; | |
683 | } | |
684 | ||
685 | static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) | |
686 | { | |
687 | struct mlx4_ib_dev *dev = to_mdev(context->device); | |
688 | ||
689 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
690 | return -EINVAL; | |
691 | ||
692 | if (vma->vm_pgoff == 0) { | |
693 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
694 | ||
695 | if (io_remap_pfn_range(vma, vma->vm_start, | |
696 | to_mucontext(context)->uar.pfn, | |
697 | PAGE_SIZE, vma->vm_page_prot)) | |
698 | return -EAGAIN; | |
699 | } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) { | |
e1d60ec6 | 700 | vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); |
225c7b1f RD |
701 | |
702 | if (io_remap_pfn_range(vma, vma->vm_start, | |
703 | to_mucontext(context)->uar.pfn + | |
704 | dev->dev->caps.num_uars, | |
705 | PAGE_SIZE, vma->vm_page_prot)) | |
706 | return -EAGAIN; | |
707 | } else | |
708 | return -EINVAL; | |
709 | ||
710 | return 0; | |
711 | } | |
712 | ||
713 | static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, | |
714 | struct ib_ucontext *context, | |
715 | struct ib_udata *udata) | |
716 | { | |
717 | struct mlx4_ib_pd *pd; | |
718 | int err; | |
719 | ||
720 | pd = kmalloc(sizeof *pd, GFP_KERNEL); | |
721 | if (!pd) | |
722 | return ERR_PTR(-ENOMEM); | |
723 | ||
724 | err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn); | |
725 | if (err) { | |
726 | kfree(pd); | |
727 | return ERR_PTR(err); | |
728 | } | |
729 | ||
730 | if (context) | |
731 | if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) { | |
732 | mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); | |
733 | kfree(pd); | |
734 | return ERR_PTR(-EFAULT); | |
735 | } | |
736 | ||
737 | return &pd->ibpd; | |
738 | } | |
739 | ||
740 | static int mlx4_ib_dealloc_pd(struct ib_pd *pd) | |
741 | { | |
742 | mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn); | |
743 | kfree(pd); | |
744 | ||
745 | return 0; | |
746 | } | |
747 | ||
012a8ff5 SH |
748 | static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev, |
749 | struct ib_ucontext *context, | |
750 | struct ib_udata *udata) | |
751 | { | |
752 | struct mlx4_ib_xrcd *xrcd; | |
753 | int err; | |
754 | ||
755 | if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)) | |
756 | return ERR_PTR(-ENOSYS); | |
757 | ||
758 | xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL); | |
759 | if (!xrcd) | |
760 | return ERR_PTR(-ENOMEM); | |
761 | ||
762 | err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn); | |
763 | if (err) | |
764 | goto err1; | |
765 | ||
766 | xrcd->pd = ib_alloc_pd(ibdev); | |
767 | if (IS_ERR(xrcd->pd)) { | |
768 | err = PTR_ERR(xrcd->pd); | |
769 | goto err2; | |
770 | } | |
771 | ||
772 | xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, 1, 0); | |
773 | if (IS_ERR(xrcd->cq)) { | |
774 | err = PTR_ERR(xrcd->cq); | |
775 | goto err3; | |
776 | } | |
777 | ||
778 | return &xrcd->ibxrcd; | |
779 | ||
780 | err3: | |
781 | ib_dealloc_pd(xrcd->pd); | |
782 | err2: | |
783 | mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn); | |
784 | err1: | |
785 | kfree(xrcd); | |
786 | return ERR_PTR(err); | |
787 | } | |
788 | ||
789 | static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd) | |
790 | { | |
791 | ib_destroy_cq(to_mxrcd(xrcd)->cq); | |
792 | ib_dealloc_pd(to_mxrcd(xrcd)->pd); | |
793 | mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn); | |
794 | kfree(xrcd); | |
795 | ||
796 | return 0; | |
797 | } | |
798 | ||
fa417f7b EC |
799 | static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) |
800 | { | |
801 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
802 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
803 | struct mlx4_ib_gid_entry *ge; | |
804 | ||
805 | ge = kzalloc(sizeof *ge, GFP_KERNEL); | |
806 | if (!ge) | |
807 | return -ENOMEM; | |
808 | ||
809 | ge->gid = *gid; | |
810 | if (mlx4_ib_add_mc(mdev, mqp, gid)) { | |
811 | ge->port = mqp->port; | |
812 | ge->added = 1; | |
813 | } | |
814 | ||
815 | mutex_lock(&mqp->mutex); | |
816 | list_add_tail(&ge->list, &mqp->gid_list); | |
817 | mutex_unlock(&mqp->mutex); | |
818 | ||
819 | return 0; | |
820 | } | |
821 | ||
822 | int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
823 | union ib_gid *gid) | |
824 | { | |
fa417f7b EC |
825 | struct net_device *ndev; |
826 | int ret = 0; | |
827 | ||
828 | if (!mqp->port) | |
829 | return 0; | |
830 | ||
dba3ad2a | 831 | spin_lock_bh(&mdev->iboe.lock); |
fa417f7b EC |
832 | ndev = mdev->iboe.netdevs[mqp->port - 1]; |
833 | if (ndev) | |
834 | dev_hold(ndev); | |
dba3ad2a | 835 | spin_unlock_bh(&mdev->iboe.lock); |
fa417f7b EC |
836 | |
837 | if (ndev) { | |
fa417f7b | 838 | ret = 1; |
fa417f7b EC |
839 | dev_put(ndev); |
840 | } | |
841 | ||
842 | return ret; | |
843 | } | |
844 | ||
0ff1fb65 HHZ |
845 | struct mlx4_ib_steering { |
846 | struct list_head list; | |
847 | u64 reg_id; | |
848 | union ib_gid gid; | |
849 | }; | |
850 | ||
f77c0162 | 851 | static int parse_flow_attr(struct mlx4_dev *dev, |
a37a1a42 | 852 | u32 qp_num, |
f77c0162 HHZ |
853 | union ib_flow_spec *ib_spec, |
854 | struct _rule_hw *mlx4_spec) | |
855 | { | |
856 | enum mlx4_net_trans_rule_id type; | |
857 | ||
858 | switch (ib_spec->type) { | |
859 | case IB_FLOW_SPEC_ETH: | |
860 | type = MLX4_NET_TRANS_RULE_ID_ETH; | |
861 | memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac, | |
862 | ETH_ALEN); | |
863 | memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac, | |
864 | ETH_ALEN); | |
865 | mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag; | |
866 | mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag; | |
867 | break; | |
a37a1a42 MB |
868 | case IB_FLOW_SPEC_IB: |
869 | type = MLX4_NET_TRANS_RULE_ID_IB; | |
870 | mlx4_spec->ib.l3_qpn = | |
871 | cpu_to_be32(qp_num); | |
872 | mlx4_spec->ib.qpn_mask = | |
873 | cpu_to_be32(MLX4_IB_FLOW_QPN_MASK); | |
874 | break; | |
875 | ||
f77c0162 HHZ |
876 | |
877 | case IB_FLOW_SPEC_IPV4: | |
878 | type = MLX4_NET_TRANS_RULE_ID_IPV4; | |
879 | mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip; | |
880 | mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip; | |
881 | mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip; | |
882 | mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip; | |
883 | break; | |
884 | ||
885 | case IB_FLOW_SPEC_TCP: | |
886 | case IB_FLOW_SPEC_UDP: | |
887 | type = ib_spec->type == IB_FLOW_SPEC_TCP ? | |
888 | MLX4_NET_TRANS_RULE_ID_TCP : | |
889 | MLX4_NET_TRANS_RULE_ID_UDP; | |
890 | mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port; | |
891 | mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port; | |
892 | mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port; | |
893 | mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port; | |
894 | break; | |
895 | ||
896 | default: | |
897 | return -EINVAL; | |
898 | } | |
899 | if (mlx4_map_sw_to_hw_steering_id(dev, type) < 0 || | |
900 | mlx4_hw_rule_sz(dev, type) < 0) | |
901 | return -EINVAL; | |
902 | mlx4_spec->id = cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev, type)); | |
903 | mlx4_spec->size = mlx4_hw_rule_sz(dev, type) >> 2; | |
904 | return mlx4_hw_rule_sz(dev, type); | |
905 | } | |
906 | ||
a37a1a42 MB |
907 | struct default_rules { |
908 | __u32 mandatory_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
909 | __u32 mandatory_not_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
910 | __u32 rules_create_list[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
911 | __u8 link_layer; | |
912 | }; | |
913 | static const struct default_rules default_table[] = { | |
914 | { | |
915 | .mandatory_fields = {IB_FLOW_SPEC_IPV4}, | |
916 | .mandatory_not_fields = {IB_FLOW_SPEC_ETH}, | |
917 | .rules_create_list = {IB_FLOW_SPEC_IB}, | |
918 | .link_layer = IB_LINK_LAYER_INFINIBAND | |
919 | } | |
920 | }; | |
921 | ||
922 | static int __mlx4_ib_default_rules_match(struct ib_qp *qp, | |
923 | struct ib_flow_attr *flow_attr) | |
924 | { | |
925 | int i, j, k; | |
926 | void *ib_flow; | |
927 | const struct default_rules *pdefault_rules = default_table; | |
928 | u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port); | |
929 | ||
a57f23f6 | 930 | for (i = 0; i < ARRAY_SIZE(default_table); i++, pdefault_rules++) { |
a37a1a42 MB |
931 | __u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS]; |
932 | memset(&field_types, 0, sizeof(field_types)); | |
933 | ||
934 | if (link_layer != pdefault_rules->link_layer) | |
935 | continue; | |
936 | ||
937 | ib_flow = flow_attr + 1; | |
938 | /* we assume the specs are sorted */ | |
939 | for (j = 0, k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS && | |
940 | j < flow_attr->num_of_specs; k++) { | |
941 | union ib_flow_spec *current_flow = | |
942 | (union ib_flow_spec *)ib_flow; | |
943 | ||
944 | /* same layer but different type */ | |
945 | if (((current_flow->type & IB_FLOW_SPEC_LAYER_MASK) == | |
946 | (pdefault_rules->mandatory_fields[k] & | |
947 | IB_FLOW_SPEC_LAYER_MASK)) && | |
948 | (current_flow->type != | |
949 | pdefault_rules->mandatory_fields[k])) | |
950 | goto out; | |
951 | ||
952 | /* same layer, try match next one */ | |
953 | if (current_flow->type == | |
954 | pdefault_rules->mandatory_fields[k]) { | |
955 | j++; | |
956 | ib_flow += | |
957 | ((union ib_flow_spec *)ib_flow)->size; | |
958 | } | |
959 | } | |
960 | ||
961 | ib_flow = flow_attr + 1; | |
962 | for (j = 0; j < flow_attr->num_of_specs; | |
963 | j++, ib_flow += ((union ib_flow_spec *)ib_flow)->size) | |
964 | for (k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS; k++) | |
965 | /* same layer and same type */ | |
966 | if (((union ib_flow_spec *)ib_flow)->type == | |
967 | pdefault_rules->mandatory_not_fields[k]) | |
968 | goto out; | |
969 | ||
970 | return i; | |
971 | } | |
972 | out: | |
973 | return -1; | |
974 | } | |
975 | ||
976 | static int __mlx4_ib_create_default_rules( | |
977 | struct mlx4_ib_dev *mdev, | |
978 | struct ib_qp *qp, | |
979 | const struct default_rules *pdefault_rules, | |
980 | struct _rule_hw *mlx4_spec) { | |
981 | int size = 0; | |
982 | int i; | |
983 | ||
a57f23f6 | 984 | for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) { |
a37a1a42 MB |
985 | int ret; |
986 | union ib_flow_spec ib_spec; | |
987 | switch (pdefault_rules->rules_create_list[i]) { | |
988 | case 0: | |
989 | /* no rule */ | |
990 | continue; | |
991 | case IB_FLOW_SPEC_IB: | |
992 | ib_spec.type = IB_FLOW_SPEC_IB; | |
993 | ib_spec.size = sizeof(struct ib_flow_spec_ib); | |
994 | ||
995 | break; | |
996 | default: | |
997 | /* invalid rule */ | |
998 | return -EINVAL; | |
999 | } | |
1000 | /* We must put empty rule, qpn is being ignored */ | |
1001 | ret = parse_flow_attr(mdev->dev, 0, &ib_spec, | |
1002 | mlx4_spec); | |
1003 | if (ret < 0) { | |
1004 | pr_info("invalid parsing\n"); | |
1005 | return -EINVAL; | |
1006 | } | |
1007 | ||
1008 | mlx4_spec = (void *)mlx4_spec + ret; | |
1009 | size += ret; | |
1010 | } | |
1011 | return size; | |
1012 | } | |
1013 | ||
f77c0162 HHZ |
1014 | static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
1015 | int domain, | |
1016 | enum mlx4_net_trans_promisc_mode flow_type, | |
1017 | u64 *reg_id) | |
1018 | { | |
1019 | int ret, i; | |
1020 | int size = 0; | |
1021 | void *ib_flow; | |
1022 | struct mlx4_ib_dev *mdev = to_mdev(qp->device); | |
1023 | struct mlx4_cmd_mailbox *mailbox; | |
1024 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; | |
a37a1a42 | 1025 | int default_flow; |
f77c0162 HHZ |
1026 | |
1027 | static const u16 __mlx4_domain[] = { | |
1028 | [IB_FLOW_DOMAIN_USER] = MLX4_DOMAIN_UVERBS, | |
1029 | [IB_FLOW_DOMAIN_ETHTOOL] = MLX4_DOMAIN_ETHTOOL, | |
1030 | [IB_FLOW_DOMAIN_RFS] = MLX4_DOMAIN_RFS, | |
1031 | [IB_FLOW_DOMAIN_NIC] = MLX4_DOMAIN_NIC, | |
1032 | }; | |
1033 | ||
1034 | if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) { | |
1035 | pr_err("Invalid priority value %d\n", flow_attr->priority); | |
1036 | return -EINVAL; | |
1037 | } | |
1038 | ||
1039 | if (domain >= IB_FLOW_DOMAIN_NUM) { | |
1040 | pr_err("Invalid domain value %d\n", domain); | |
1041 | return -EINVAL; | |
1042 | } | |
1043 | ||
1044 | if (mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0) | |
1045 | return -EINVAL; | |
1046 | ||
1047 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
1048 | if (IS_ERR(mailbox)) | |
1049 | return PTR_ERR(mailbox); | |
f77c0162 HHZ |
1050 | ctrl = mailbox->buf; |
1051 | ||
1052 | ctrl->prio = cpu_to_be16(__mlx4_domain[domain] | | |
1053 | flow_attr->priority); | |
1054 | ctrl->type = mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type); | |
1055 | ctrl->port = flow_attr->port; | |
1056 | ctrl->qpn = cpu_to_be32(qp->qp_num); | |
1057 | ||
1058 | ib_flow = flow_attr + 1; | |
1059 | size += sizeof(struct mlx4_net_trans_rule_hw_ctrl); | |
a37a1a42 MB |
1060 | /* Add default flows */ |
1061 | default_flow = __mlx4_ib_default_rules_match(qp, flow_attr); | |
1062 | if (default_flow >= 0) { | |
1063 | ret = __mlx4_ib_create_default_rules( | |
1064 | mdev, qp, default_table + default_flow, | |
1065 | mailbox->buf + size); | |
1066 | if (ret < 0) { | |
1067 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1068 | return -EINVAL; | |
1069 | } | |
1070 | size += ret; | |
1071 | } | |
f77c0162 | 1072 | for (i = 0; i < flow_attr->num_of_specs; i++) { |
a37a1a42 MB |
1073 | ret = parse_flow_attr(mdev->dev, qp->qp_num, ib_flow, |
1074 | mailbox->buf + size); | |
f77c0162 HHZ |
1075 | if (ret < 0) { |
1076 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1077 | return -EINVAL; | |
1078 | } | |
1079 | ib_flow += ((union ib_flow_spec *) ib_flow)->size; | |
1080 | size += ret; | |
1081 | } | |
1082 | ||
1083 | ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0, | |
1084 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
1085 | MLX4_CMD_NATIVE); | |
1086 | if (ret == -ENOMEM) | |
1087 | pr_err("mcg table is full. Fail to register network rule.\n"); | |
1088 | else if (ret == -ENXIO) | |
1089 | pr_err("Device managed flow steering is disabled. Fail to register network rule.\n"); | |
1090 | else if (ret) | |
1091 | pr_err("Invalid argumant. Fail to register network rule.\n"); | |
1092 | ||
1093 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1094 | return ret; | |
1095 | } | |
1096 | ||
1097 | static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id) | |
1098 | { | |
1099 | int err; | |
1100 | err = mlx4_cmd(dev, reg_id, 0, 0, | |
1101 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, | |
1102 | MLX4_CMD_NATIVE); | |
1103 | if (err) | |
1104 | pr_err("Fail to detach network rule. registration id = 0x%llx\n", | |
1105 | reg_id); | |
1106 | return err; | |
1107 | } | |
1108 | ||
d2fce8a9 OG |
1109 | static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
1110 | u64 *reg_id) | |
1111 | { | |
1112 | void *ib_flow; | |
1113 | union ib_flow_spec *ib_spec; | |
1114 | struct mlx4_dev *dev = to_mdev(qp->device)->dev; | |
1115 | int err = 0; | |
1116 | ||
1117 | if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) | |
1118 | return 0; /* do nothing */ | |
1119 | ||
1120 | ib_flow = flow_attr + 1; | |
1121 | ib_spec = (union ib_flow_spec *)ib_flow; | |
1122 | ||
1123 | if (ib_spec->type != IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1) | |
1124 | return 0; /* do nothing */ | |
1125 | ||
1126 | err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac, | |
1127 | flow_attr->port, qp->qp_num, | |
1128 | MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff), | |
1129 | reg_id); | |
1130 | return err; | |
1131 | } | |
1132 | ||
f77c0162 HHZ |
1133 | static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, |
1134 | struct ib_flow_attr *flow_attr, | |
1135 | int domain) | |
1136 | { | |
1137 | int err = 0, i = 0; | |
1138 | struct mlx4_ib_flow *mflow; | |
1139 | enum mlx4_net_trans_promisc_mode type[2]; | |
1140 | ||
1141 | memset(type, 0, sizeof(type)); | |
1142 | ||
1143 | mflow = kzalloc(sizeof(*mflow), GFP_KERNEL); | |
1144 | if (!mflow) { | |
1145 | err = -ENOMEM; | |
1146 | goto err_free; | |
1147 | } | |
1148 | ||
1149 | switch (flow_attr->type) { | |
1150 | case IB_FLOW_ATTR_NORMAL: | |
1151 | type[0] = MLX4_FS_REGULAR; | |
1152 | break; | |
1153 | ||
1154 | case IB_FLOW_ATTR_ALL_DEFAULT: | |
1155 | type[0] = MLX4_FS_ALL_DEFAULT; | |
1156 | break; | |
1157 | ||
1158 | case IB_FLOW_ATTR_MC_DEFAULT: | |
1159 | type[0] = MLX4_FS_MC_DEFAULT; | |
1160 | break; | |
1161 | ||
1162 | case IB_FLOW_ATTR_SNIFFER: | |
1163 | type[0] = MLX4_FS_UC_SNIFFER; | |
1164 | type[1] = MLX4_FS_MC_SNIFFER; | |
1165 | break; | |
1166 | ||
1167 | default: | |
1168 | err = -EINVAL; | |
1169 | goto err_free; | |
1170 | } | |
1171 | ||
1172 | while (i < ARRAY_SIZE(type) && type[i]) { | |
1173 | err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i], | |
1174 | &mflow->reg_id[i]); | |
1175 | if (err) | |
1176 | goto err_free; | |
1177 | i++; | |
1178 | } | |
1179 | ||
d2fce8a9 OG |
1180 | if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) { |
1181 | err = mlx4_ib_tunnel_steer_add(qp, flow_attr, &mflow->reg_id[i]); | |
1182 | if (err) | |
1183 | goto err_free; | |
1184 | } | |
1185 | ||
f77c0162 HHZ |
1186 | return &mflow->ibflow; |
1187 | ||
1188 | err_free: | |
1189 | kfree(mflow); | |
1190 | return ERR_PTR(err); | |
1191 | } | |
1192 | ||
1193 | static int mlx4_ib_destroy_flow(struct ib_flow *flow_id) | |
1194 | { | |
1195 | int err, ret = 0; | |
1196 | int i = 0; | |
1197 | struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device); | |
1198 | struct mlx4_ib_flow *mflow = to_mflow(flow_id); | |
1199 | ||
1200 | while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i]) { | |
1201 | err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i]); | |
1202 | if (err) | |
1203 | ret = err; | |
1204 | i++; | |
1205 | } | |
1206 | ||
1207 | kfree(mflow); | |
1208 | return ret; | |
1209 | } | |
1210 | ||
225c7b1f RD |
1211 | static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
1212 | { | |
fa417f7b EC |
1213 | int err; |
1214 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
1215 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
0ff1fb65 HHZ |
1216 | u64 reg_id; |
1217 | struct mlx4_ib_steering *ib_steering = NULL; | |
d487ee77 MS |
1218 | enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ? |
1219 | MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6; | |
0ff1fb65 HHZ |
1220 | |
1221 | if (mdev->dev->caps.steering_mode == | |
1222 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1223 | ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL); | |
1224 | if (!ib_steering) | |
1225 | return -ENOMEM; | |
1226 | } | |
fa417f7b | 1227 | |
0ff1fb65 HHZ |
1228 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port, |
1229 | !!(mqp->flags & | |
1230 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), | |
d487ee77 | 1231 | prot, ®_id); |
fa417f7b | 1232 | if (err) |
0ff1fb65 | 1233 | goto err_malloc; |
fa417f7b EC |
1234 | |
1235 | err = add_gid_entry(ibqp, gid); | |
1236 | if (err) | |
1237 | goto err_add; | |
1238 | ||
0ff1fb65 HHZ |
1239 | if (ib_steering) { |
1240 | memcpy(ib_steering->gid.raw, gid->raw, 16); | |
1241 | ib_steering->reg_id = reg_id; | |
1242 | mutex_lock(&mqp->mutex); | |
1243 | list_add(&ib_steering->list, &mqp->steering_rules); | |
1244 | mutex_unlock(&mqp->mutex); | |
1245 | } | |
fa417f7b EC |
1246 | return 0; |
1247 | ||
1248 | err_add: | |
0ff1fb65 | 1249 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
d487ee77 | 1250 | prot, reg_id); |
0ff1fb65 HHZ |
1251 | err_malloc: |
1252 | kfree(ib_steering); | |
1253 | ||
fa417f7b EC |
1254 | return err; |
1255 | } | |
1256 | ||
1257 | static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) | |
1258 | { | |
1259 | struct mlx4_ib_gid_entry *ge; | |
1260 | struct mlx4_ib_gid_entry *tmp; | |
1261 | struct mlx4_ib_gid_entry *ret = NULL; | |
1262 | ||
1263 | list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { | |
1264 | if (!memcmp(raw, ge->gid.raw, 16)) { | |
1265 | ret = ge; | |
1266 | break; | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | return ret; | |
225c7b1f RD |
1271 | } |
1272 | ||
1273 | static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
1274 | { | |
fa417f7b EC |
1275 | int err; |
1276 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
1277 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
fa417f7b EC |
1278 | struct net_device *ndev; |
1279 | struct mlx4_ib_gid_entry *ge; | |
0ff1fb65 | 1280 | u64 reg_id = 0; |
d487ee77 MS |
1281 | enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ? |
1282 | MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6; | |
0ff1fb65 HHZ |
1283 | |
1284 | if (mdev->dev->caps.steering_mode == | |
1285 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1286 | struct mlx4_ib_steering *ib_steering; | |
1287 | ||
1288 | mutex_lock(&mqp->mutex); | |
1289 | list_for_each_entry(ib_steering, &mqp->steering_rules, list) { | |
1290 | if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) { | |
1291 | list_del(&ib_steering->list); | |
1292 | break; | |
1293 | } | |
1294 | } | |
1295 | mutex_unlock(&mqp->mutex); | |
1296 | if (&ib_steering->list == &mqp->steering_rules) { | |
1297 | pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n"); | |
1298 | return -EINVAL; | |
1299 | } | |
1300 | reg_id = ib_steering->reg_id; | |
1301 | kfree(ib_steering); | |
1302 | } | |
fa417f7b | 1303 | |
0ff1fb65 | 1304 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
d487ee77 | 1305 | prot, reg_id); |
fa417f7b EC |
1306 | if (err) |
1307 | return err; | |
1308 | ||
1309 | mutex_lock(&mqp->mutex); | |
1310 | ge = find_gid_entry(mqp, gid->raw); | |
1311 | if (ge) { | |
dba3ad2a | 1312 | spin_lock_bh(&mdev->iboe.lock); |
fa417f7b EC |
1313 | ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; |
1314 | if (ndev) | |
1315 | dev_hold(ndev); | |
dba3ad2a | 1316 | spin_unlock_bh(&mdev->iboe.lock); |
d487ee77 | 1317 | if (ndev) |
fa417f7b | 1318 | dev_put(ndev); |
fa417f7b EC |
1319 | list_del(&ge->list); |
1320 | kfree(ge); | |
1321 | } else | |
987c8f8f | 1322 | pr_warn("could not find mgid entry\n"); |
fa417f7b EC |
1323 | |
1324 | mutex_unlock(&mqp->mutex); | |
1325 | ||
1326 | return 0; | |
225c7b1f RD |
1327 | } |
1328 | ||
1329 | static int init_node_data(struct mlx4_ib_dev *dev) | |
1330 | { | |
1331 | struct ib_smp *in_mad = NULL; | |
1332 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 1333 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
1334 | int err = -ENOMEM; |
1335 | ||
1336 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
1337 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
1338 | if (!in_mad || !out_mad) | |
1339 | goto out; | |
1340 | ||
1341 | init_query_mad(in_mad); | |
1342 | in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; | |
0a9a0188 JM |
1343 | if (mlx4_is_master(dev->dev)) |
1344 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
225c7b1f | 1345 | |
0a9a0188 | 1346 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
1347 | if (err) |
1348 | goto out; | |
1349 | ||
1350 | memcpy(dev->ib_dev.node_desc, out_mad->data, 64); | |
1351 | ||
1352 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
1353 | ||
0a9a0188 | 1354 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
1355 | if (err) |
1356 | goto out; | |
1357 | ||
992e8e6e | 1358 | dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
225c7b1f RD |
1359 | memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8); |
1360 | ||
1361 | out: | |
1362 | kfree(in_mad); | |
1363 | kfree(out_mad); | |
1364 | return err; | |
1365 | } | |
1366 | ||
f4e91eb4 TJ |
1367 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, |
1368 | char *buf) | |
cd9281d8 | 1369 | { |
f4e91eb4 TJ |
1370 | struct mlx4_ib_dev *dev = |
1371 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1372 | return sprintf(buf, "MT%d\n", dev->dev->pdev->device); |
1373 | } | |
1374 | ||
f4e91eb4 TJ |
1375 | static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, |
1376 | char *buf) | |
cd9281d8 | 1377 | { |
f4e91eb4 TJ |
1378 | struct mlx4_ib_dev *dev = |
1379 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1380 | return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32), |
1381 | (int) (dev->dev->caps.fw_ver >> 16) & 0xffff, | |
1382 | (int) dev->dev->caps.fw_ver & 0xffff); | |
1383 | } | |
1384 | ||
f4e91eb4 TJ |
1385 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
1386 | char *buf) | |
cd9281d8 | 1387 | { |
f4e91eb4 TJ |
1388 | struct mlx4_ib_dev *dev = |
1389 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1390 | return sprintf(buf, "%x\n", dev->dev->rev_id); |
1391 | } | |
1392 | ||
f4e91eb4 TJ |
1393 | static ssize_t show_board(struct device *device, struct device_attribute *attr, |
1394 | char *buf) | |
cd9281d8 | 1395 | { |
f4e91eb4 TJ |
1396 | struct mlx4_ib_dev *dev = |
1397 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
1398 | return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, | |
1399 | dev->dev->board_id); | |
cd9281d8 JM |
1400 | } |
1401 | ||
f4e91eb4 TJ |
1402 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); |
1403 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
1404 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); | |
1405 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
cd9281d8 | 1406 | |
f4e91eb4 TJ |
1407 | static struct device_attribute *mlx4_class_attributes[] = { |
1408 | &dev_attr_hw_rev, | |
1409 | &dev_attr_fw_ver, | |
1410 | &dev_attr_hca_type, | |
1411 | &dev_attr_board_id | |
cd9281d8 JM |
1412 | }; |
1413 | ||
acc4fccf MS |
1414 | static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, |
1415 | struct net_device *dev) | |
1416 | { | |
1417 | memcpy(eui, dev->dev_addr, 3); | |
1418 | memcpy(eui + 5, dev->dev_addr + 3, 3); | |
1419 | if (vlan_id < 0x1000) { | |
1420 | eui[3] = vlan_id >> 8; | |
1421 | eui[4] = vlan_id & 0xff; | |
1422 | } else { | |
1423 | eui[3] = 0xff; | |
1424 | eui[4] = 0xfe; | |
1425 | } | |
1426 | eui[0] ^= 2; | |
1427 | } | |
1428 | ||
fa417f7b EC |
1429 | static void update_gids_task(struct work_struct *work) |
1430 | { | |
1431 | struct update_gid_work *gw = container_of(work, struct update_gid_work, work); | |
1432 | struct mlx4_cmd_mailbox *mailbox; | |
1433 | union ib_gid *gids; | |
1434 | int err; | |
1435 | struct mlx4_dev *dev = gw->dev->dev; | |
fa417f7b | 1436 | |
4bf9715f MS |
1437 | if (!gw->dev->ib_active) |
1438 | return; | |
1439 | ||
fa417f7b EC |
1440 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1441 | if (IS_ERR(mailbox)) { | |
987c8f8f | 1442 | pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox)); |
fa417f7b EC |
1443 | return; |
1444 | } | |
1445 | ||
1446 | gids = mailbox->buf; | |
1447 | memcpy(gids, gw->gids, sizeof gw->gids); | |
1448 | ||
1449 | err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
f9baff50 | 1450 | 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, |
992e8e6e | 1451 | MLX4_CMD_WRAPPED); |
fa417f7b | 1452 | if (err) |
987c8f8f | 1453 | pr_warn("set port command failed\n"); |
d487ee77 | 1454 | else |
00f5ce99 | 1455 | mlx4_ib_dispatch_event(gw->dev, gw->port, IB_EVENT_GID_CHANGE); |
fa417f7b EC |
1456 | |
1457 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1458 | kfree(gw); | |
1459 | } | |
1460 | ||
d487ee77 | 1461 | static void reset_gids_task(struct work_struct *work) |
fa417f7b | 1462 | { |
d487ee77 MS |
1463 | struct update_gid_work *gw = |
1464 | container_of(work, struct update_gid_work, work); | |
1465 | struct mlx4_cmd_mailbox *mailbox; | |
1466 | union ib_gid *gids; | |
1467 | int err; | |
d487ee77 | 1468 | struct mlx4_dev *dev = gw->dev->dev; |
fa417f7b | 1469 | |
4bf9715f MS |
1470 | if (!gw->dev->ib_active) |
1471 | return; | |
1472 | ||
d487ee77 MS |
1473 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1474 | if (IS_ERR(mailbox)) { | |
1475 | pr_warn("reset gid table failed\n"); | |
1476 | goto free; | |
1477 | } | |
fa417f7b | 1478 | |
d487ee77 MS |
1479 | gids = mailbox->buf; |
1480 | memcpy(gids, gw->gids, sizeof(gw->gids)); | |
1481 | ||
5071456f MS |
1482 | if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) == |
1483 | IB_LINK_LAYER_ETHERNET) { | |
1484 | err = mlx4_cmd(dev, mailbox->dma, | |
1485 | MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
1486 | 1, MLX4_CMD_SET_PORT, | |
1487 | MLX4_CMD_TIME_CLASS_B, | |
1488 | MLX4_CMD_WRAPPED); | |
1489 | if (err) | |
1490 | pr_warn(KERN_WARNING | |
1491 | "set port %d command failed\n", gw->port); | |
4c3eb3ca EC |
1492 | } |
1493 | ||
d487ee77 MS |
1494 | mlx4_free_cmd_mailbox(dev, mailbox); |
1495 | free: | |
1496 | kfree(gw); | |
1497 | } | |
4c3eb3ca | 1498 | |
d487ee77 | 1499 | static int update_gid_table(struct mlx4_ib_dev *dev, int port, |
acc4fccf MS |
1500 | union ib_gid *gid, int clear, |
1501 | int default_gid) | |
d487ee77 MS |
1502 | { |
1503 | struct update_gid_work *work; | |
1504 | int i; | |
1505 | int need_update = 0; | |
1506 | int free = -1; | |
1507 | int found = -1; | |
1508 | int max_gids; | |
1509 | ||
acc4fccf MS |
1510 | if (default_gid) { |
1511 | free = 0; | |
1512 | } else { | |
1513 | max_gids = dev->dev->caps.gid_table_len[port]; | |
1514 | for (i = 1; i < max_gids; ++i) { | |
1515 | if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, | |
d487ee77 | 1516 | sizeof(*gid))) |
acc4fccf MS |
1517 | found = i; |
1518 | ||
1519 | if (clear) { | |
1520 | if (found >= 0) { | |
1521 | need_update = 1; | |
1522 | dev->iboe.gid_table[port - 1][found] = | |
1523 | zgid; | |
1524 | break; | |
1525 | } | |
1526 | } else { | |
1527 | if (found >= 0) | |
1528 | break; | |
1529 | ||
1530 | if (free < 0 && | |
1531 | !memcmp(&dev->iboe.gid_table[port - 1][i], | |
1532 | &zgid, sizeof(*gid))) | |
1533 | free = i; | |
1534 | } | |
4c3eb3ca | 1535 | } |
fa417f7b | 1536 | } |
4c3eb3ca | 1537 | |
d487ee77 MS |
1538 | if (found == -1 && !clear && free >= 0) { |
1539 | dev->iboe.gid_table[port - 1][free] = *gid; | |
1540 | need_update = 1; | |
1541 | } | |
fa417f7b | 1542 | |
d487ee77 MS |
1543 | if (!need_update) |
1544 | return 0; | |
1545 | ||
1546 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
1547 | if (!work) | |
1548 | return -ENOMEM; | |
1549 | ||
1550 | memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof(work->gids)); | |
1551 | INIT_WORK(&work->work, update_gids_task); | |
1552 | work->port = port; | |
1553 | work->dev = dev; | |
1554 | queue_work(wq, &work->work); | |
fa417f7b EC |
1555 | |
1556 | return 0; | |
d487ee77 | 1557 | } |
4c3eb3ca | 1558 | |
acc4fccf | 1559 | static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid) |
d487ee77 | 1560 | { |
acc4fccf MS |
1561 | gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); |
1562 | mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev); | |
1563 | } | |
1564 | ||
d487ee77 | 1565 | |
5071456f | 1566 | static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port) |
d487ee77 MS |
1567 | { |
1568 | struct update_gid_work *work; | |
d487ee77 MS |
1569 | |
1570 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
1571 | if (!work) | |
1572 | return -ENOMEM; | |
5071456f MS |
1573 | |
1574 | memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids)); | |
d487ee77 MS |
1575 | memset(work->gids, 0, sizeof(work->gids)); |
1576 | INIT_WORK(&work->work, reset_gids_task); | |
1577 | work->dev = dev; | |
5071456f | 1578 | work->port = port; |
d487ee77 MS |
1579 | queue_work(wq, &work->work); |
1580 | return 0; | |
fa417f7b EC |
1581 | } |
1582 | ||
d487ee77 MS |
1583 | static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, |
1584 | struct mlx4_ib_dev *ibdev, union ib_gid *gid) | |
fa417f7b | 1585 | { |
d487ee77 MS |
1586 | struct mlx4_ib_iboe *iboe; |
1587 | int port = 0; | |
1588 | struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ? | |
1589 | rdma_vlan_dev_real_dev(event_netdev) : | |
1590 | event_netdev; | |
acc4fccf MS |
1591 | union ib_gid default_gid; |
1592 | ||
1593 | mlx4_make_default_gid(real_dev, &default_gid); | |
1594 | ||
1595 | if (!memcmp(gid, &default_gid, sizeof(*gid))) | |
1596 | return 0; | |
d487ee77 MS |
1597 | |
1598 | if (event != NETDEV_DOWN && event != NETDEV_UP) | |
1599 | return 0; | |
1600 | ||
1601 | if ((real_dev != event_netdev) && | |
1602 | (event == NETDEV_DOWN) && | |
1603 | rdma_link_local_addr((struct in6_addr *)gid)) | |
1604 | return 0; | |
1605 | ||
1606 | iboe = &ibdev->iboe; | |
dba3ad2a | 1607 | spin_lock_bh(&iboe->lock); |
d487ee77 | 1608 | |
82373701 | 1609 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) |
d487ee77 MS |
1610 | if ((netif_is_bond_master(real_dev) && |
1611 | (real_dev == iboe->masters[port - 1])) || | |
1612 | (!netif_is_bond_master(real_dev) && | |
1613 | (real_dev == iboe->netdevs[port - 1]))) | |
1614 | update_gid_table(ibdev, port, gid, | |
acc4fccf | 1615 | event == NETDEV_DOWN, 0); |
d487ee77 | 1616 | |
dba3ad2a | 1617 | spin_unlock_bh(&iboe->lock); |
d487ee77 | 1618 | return 0; |
fa417f7b | 1619 | |
fa417f7b EC |
1620 | } |
1621 | ||
d487ee77 MS |
1622 | static u8 mlx4_ib_get_dev_port(struct net_device *dev, |
1623 | struct mlx4_ib_dev *ibdev) | |
fa417f7b | 1624 | { |
d487ee77 MS |
1625 | u8 port = 0; |
1626 | struct mlx4_ib_iboe *iboe; | |
1627 | struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ? | |
1628 | rdma_vlan_dev_real_dev(dev) : dev; | |
1629 | ||
1630 | iboe = &ibdev->iboe; | |
d487ee77 | 1631 | |
82373701 | 1632 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) |
d487ee77 MS |
1633 | if ((netif_is_bond_master(real_dev) && |
1634 | (real_dev == iboe->masters[port - 1])) || | |
1635 | (!netif_is_bond_master(real_dev) && | |
1636 | (real_dev == iboe->netdevs[port - 1]))) | |
1637 | break; | |
1638 | ||
82373701 | 1639 | if ((port == 0) || (port > ibdev->dev->caps.num_ports)) |
d487ee77 MS |
1640 | return 0; |
1641 | else | |
1642 | return port; | |
fa417f7b EC |
1643 | } |
1644 | ||
d487ee77 MS |
1645 | static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event, |
1646 | void *ptr) | |
fa417f7b | 1647 | { |
d487ee77 MS |
1648 | struct mlx4_ib_dev *ibdev; |
1649 | struct in_ifaddr *ifa = ptr; | |
1650 | union ib_gid gid; | |
1651 | struct net_device *event_netdev = ifa->ifa_dev->dev; | |
1652 | ||
1653 | ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid); | |
1654 | ||
1655 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet); | |
1656 | ||
1657 | mlx4_ib_addr_event(event, event_netdev, ibdev, &gid); | |
1658 | return NOTIFY_DONE; | |
fa417f7b EC |
1659 | } |
1660 | ||
27cdef63 | 1661 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 | 1662 | static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event, |
fa417f7b EC |
1663 | void *ptr) |
1664 | { | |
fa417f7b | 1665 | struct mlx4_ib_dev *ibdev; |
d487ee77 MS |
1666 | struct inet6_ifaddr *ifa = ptr; |
1667 | union ib_gid *gid = (union ib_gid *)&ifa->addr; | |
1668 | struct net_device *event_netdev = ifa->idev->dev; | |
1669 | ||
1670 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet6); | |
1671 | ||
1672 | mlx4_ib_addr_event(event, event_netdev, ibdev, gid); | |
1673 | return NOTIFY_DONE; | |
1674 | } | |
1675 | #endif | |
1676 | ||
9433c188 MB |
1677 | #define MLX4_IB_INVALID_MAC ((u64)-1) |
1678 | static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev, | |
1679 | struct net_device *dev, | |
1680 | int port) | |
1681 | { | |
1682 | u64 new_smac = 0; | |
1683 | u64 release_mac = MLX4_IB_INVALID_MAC; | |
1684 | struct mlx4_ib_qp *qp; | |
1685 | ||
1686 | read_lock(&dev_base_lock); | |
1687 | new_smac = mlx4_mac_to_u64(dev->dev_addr); | |
1688 | read_unlock(&dev_base_lock); | |
1689 | ||
3e0629cb JM |
1690 | atomic64_set(&ibdev->iboe.mac[port - 1], new_smac); |
1691 | ||
d24d9f43 JM |
1692 | /* no need for update QP1 and mac registration in non-SRIOV */ |
1693 | if (!mlx4_is_mfunc(ibdev->dev)) | |
1694 | return; | |
1695 | ||
9433c188 MB |
1696 | mutex_lock(&ibdev->qp1_proxy_lock[port - 1]); |
1697 | qp = ibdev->qp1_proxy[port - 1]; | |
1698 | if (qp) { | |
1699 | int new_smac_index; | |
25476b02 | 1700 | u64 old_smac; |
9433c188 MB |
1701 | struct mlx4_update_qp_params update_params; |
1702 | ||
25476b02 JM |
1703 | mutex_lock(&qp->mutex); |
1704 | old_smac = qp->pri.smac; | |
9433c188 MB |
1705 | if (new_smac == old_smac) |
1706 | goto unlock; | |
1707 | ||
1708 | new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac); | |
1709 | ||
1710 | if (new_smac_index < 0) | |
1711 | goto unlock; | |
1712 | ||
1713 | update_params.smac_index = new_smac_index; | |
09e05c3f | 1714 | if (mlx4_update_qp(ibdev->dev, qp->mqp.qpn, MLX4_UPDATE_QP_SMAC, |
9433c188 MB |
1715 | &update_params)) { |
1716 | release_mac = new_smac; | |
1717 | goto unlock; | |
1718 | } | |
25476b02 JM |
1719 | /* if old port was zero, no mac was yet registered for this QP */ |
1720 | if (qp->pri.smac_port) | |
1721 | release_mac = old_smac; | |
9433c188 | 1722 | qp->pri.smac = new_smac; |
25476b02 | 1723 | qp->pri.smac_port = port; |
9433c188 | 1724 | qp->pri.smac_index = new_smac_index; |
9433c188 MB |
1725 | } |
1726 | ||
1727 | unlock: | |
9433c188 MB |
1728 | if (release_mac != MLX4_IB_INVALID_MAC) |
1729 | mlx4_unregister_mac(ibdev->dev, port, release_mac); | |
25476b02 JM |
1730 | if (qp) |
1731 | mutex_unlock(&qp->mutex); | |
1732 | mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]); | |
9433c188 MB |
1733 | } |
1734 | ||
d487ee77 MS |
1735 | static void mlx4_ib_get_dev_addr(struct net_device *dev, |
1736 | struct mlx4_ib_dev *ibdev, u8 port) | |
1737 | { | |
1738 | struct in_device *in_dev; | |
27cdef63 | 1739 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
1740 | struct inet6_dev *in6_dev; |
1741 | union ib_gid *pgid; | |
1742 | struct inet6_ifaddr *ifp; | |
f5c4834d | 1743 | union ib_gid default_gid; |
d487ee77 MS |
1744 | #endif |
1745 | union ib_gid gid; | |
1746 | ||
1747 | ||
82373701 | 1748 | if ((port == 0) || (port > ibdev->dev->caps.num_ports)) |
d487ee77 MS |
1749 | return; |
1750 | ||
1751 | /* IPv4 gids */ | |
1752 | in_dev = in_dev_get(dev); | |
1753 | if (in_dev) { | |
1754 | for_ifa(in_dev) { | |
1755 | /*ifa->ifa_address;*/ | |
1756 | ipv6_addr_set_v4mapped(ifa->ifa_address, | |
1757 | (struct in6_addr *)&gid); | |
acc4fccf | 1758 | update_gid_table(ibdev, port, &gid, 0, 0); |
d487ee77 MS |
1759 | } |
1760 | endfor_ifa(in_dev); | |
1761 | in_dev_put(in_dev); | |
1762 | } | |
27cdef63 | 1763 | #if IS_ENABLED(CONFIG_IPV6) |
f5c4834d | 1764 | mlx4_make_default_gid(dev, &default_gid); |
d487ee77 MS |
1765 | /* IPv6 gids */ |
1766 | in6_dev = in6_dev_get(dev); | |
1767 | if (in6_dev) { | |
1768 | read_lock_bh(&in6_dev->lock); | |
1769 | list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { | |
1770 | pgid = (union ib_gid *)&ifp->addr; | |
f5c4834d MS |
1771 | if (!memcmp(pgid, &default_gid, sizeof(*pgid))) |
1772 | continue; | |
acc4fccf | 1773 | update_gid_table(ibdev, port, pgid, 0, 0); |
d487ee77 MS |
1774 | } |
1775 | read_unlock_bh(&in6_dev->lock); | |
1776 | in6_dev_put(in6_dev); | |
1777 | } | |
1778 | #endif | |
1779 | } | |
1780 | ||
acc4fccf MS |
1781 | static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev, |
1782 | struct net_device *dev, u8 port) | |
1783 | { | |
1784 | union ib_gid gid; | |
1785 | mlx4_make_default_gid(dev, &gid); | |
1786 | update_gid_table(ibdev, port, &gid, 0, 1); | |
1787 | } | |
1788 | ||
d487ee77 MS |
1789 | static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) |
1790 | { | |
1791 | struct net_device *dev; | |
ddf8bd34 | 1792 | struct mlx4_ib_iboe *iboe = &ibdev->iboe; |
5071456f | 1793 | int i; |
655b2aae | 1794 | int err = 0; |
d487ee77 | 1795 | |
655b2aae MS |
1796 | for (i = 1; i <= ibdev->num_ports; ++i) { |
1797 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) == | |
1798 | IB_LINK_LAYER_ETHERNET) { | |
1799 | err = reset_gid_table(ibdev, i); | |
1800 | if (err) | |
1801 | goto out; | |
1802 | } | |
1803 | } | |
d487ee77 MS |
1804 | |
1805 | read_lock(&dev_base_lock); | |
dba3ad2a | 1806 | spin_lock_bh(&iboe->lock); |
d487ee77 MS |
1807 | |
1808 | for_each_netdev(&init_net, dev) { | |
1809 | u8 port = mlx4_ib_get_dev_port(dev, ibdev); | |
655b2aae MS |
1810 | /* port will be non-zero only for ETH ports */ |
1811 | if (port) { | |
1812 | mlx4_ib_set_default_gid(ibdev, dev, port); | |
d487ee77 | 1813 | mlx4_ib_get_dev_addr(dev, ibdev, port); |
655b2aae | 1814 | } |
d487ee77 MS |
1815 | } |
1816 | ||
dba3ad2a | 1817 | spin_unlock_bh(&iboe->lock); |
d487ee77 | 1818 | read_unlock(&dev_base_lock); |
655b2aae MS |
1819 | out: |
1820 | return err; | |
d487ee77 MS |
1821 | } |
1822 | ||
9433c188 MB |
1823 | static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev, |
1824 | struct net_device *dev, | |
1825 | unsigned long event) | |
1826 | ||
d487ee77 | 1827 | { |
fa417f7b | 1828 | struct mlx4_ib_iboe *iboe; |
9433c188 | 1829 | int update_qps_port = -1; |
fa417f7b EC |
1830 | int port; |
1831 | ||
fa417f7b EC |
1832 | iboe = &ibdev->iboe; |
1833 | ||
dba3ad2a | 1834 | spin_lock_bh(&iboe->lock); |
fa417f7b | 1835 | mlx4_foreach_ib_transport_port(port, ibdev->dev) { |
ad4885d2 | 1836 | enum ib_port_state port_state = IB_PORT_NOP; |
d487ee77 | 1837 | struct net_device *old_master = iboe->masters[port - 1]; |
ad4885d2 | 1838 | struct net_device *curr_netdev; |
d487ee77 | 1839 | struct net_device *curr_master; |
ad4885d2 | 1840 | |
fa417f7b | 1841 | iboe->netdevs[port - 1] = |
0345584e | 1842 | mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); |
acc4fccf MS |
1843 | if (iboe->netdevs[port - 1]) |
1844 | mlx4_ib_set_default_gid(ibdev, | |
1845 | iboe->netdevs[port - 1], port); | |
ad4885d2 | 1846 | curr_netdev = iboe->netdevs[port - 1]; |
d487ee77 MS |
1847 | |
1848 | if (iboe->netdevs[port - 1] && | |
1849 | netif_is_bond_slave(iboe->netdevs[port - 1])) { | |
d487ee77 MS |
1850 | iboe->masters[port - 1] = netdev_master_upper_dev_get( |
1851 | iboe->netdevs[port - 1]); | |
ad4885d2 MS |
1852 | } else { |
1853 | iboe->masters[port - 1] = NULL; | |
fa417f7b | 1854 | } |
d487ee77 | 1855 | curr_master = iboe->masters[port - 1]; |
fa417f7b | 1856 | |
9433c188 MB |
1857 | if (dev == iboe->netdevs[port - 1] && |
1858 | (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER || | |
1859 | event == NETDEV_UP || event == NETDEV_CHANGE)) | |
1860 | update_qps_port = port; | |
1861 | ||
ad4885d2 MS |
1862 | if (curr_netdev) { |
1863 | port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ? | |
1864 | IB_PORT_ACTIVE : IB_PORT_DOWN; | |
1865 | mlx4_ib_set_default_gid(ibdev, curr_netdev, port); | |
bccb84f1 MS |
1866 | if (curr_master) { |
1867 | /* if using bonding/team and a slave port is down, we | |
1868 | * don't want the bond IP based gids in the table since | |
1869 | * flows that select port by gid may get the down port. | |
1870 | */ | |
1871 | if (port_state == IB_PORT_DOWN) { | |
1872 | reset_gid_table(ibdev, port); | |
1873 | mlx4_ib_set_default_gid(ibdev, | |
1874 | curr_netdev, | |
1875 | port); | |
1876 | } else { | |
1877 | /* gids from the upper dev (bond/team) | |
1878 | * should appear in port's gid table | |
1879 | */ | |
1880 | mlx4_ib_get_dev_addr(curr_master, | |
1881 | ibdev, port); | |
1882 | } | |
e381835c MS |
1883 | } |
1884 | /* if bonding is used it is possible that we add it to | |
1885 | * masters only after IP address is assigned to the | |
1886 | * net bonding interface. | |
1887 | */ | |
1888 | if (curr_master && (old_master != curr_master)) { | |
1889 | reset_gid_table(ibdev, port); | |
1890 | mlx4_ib_set_default_gid(ibdev, | |
1891 | curr_netdev, port); | |
1892 | mlx4_ib_get_dev_addr(curr_master, ibdev, port); | |
1893 | } | |
ad4885d2 | 1894 | |
e381835c MS |
1895 | if (!curr_master && (old_master != curr_master)) { |
1896 | reset_gid_table(ibdev, port); | |
1897 | mlx4_ib_set_default_gid(ibdev, | |
1898 | curr_netdev, port); | |
1899 | mlx4_ib_get_dev_addr(curr_netdev, ibdev, port); | |
1900 | } | |
1901 | } else { | |
ad4885d2 | 1902 | reset_gid_table(ibdev, port); |
ad4885d2 | 1903 | } |
d487ee77 | 1904 | } |
fa417f7b | 1905 | |
dba3ad2a | 1906 | spin_unlock_bh(&iboe->lock); |
9433c188 MB |
1907 | |
1908 | if (update_qps_port > 0) | |
1909 | mlx4_ib_update_qps(ibdev, dev, update_qps_port); | |
d487ee77 MS |
1910 | } |
1911 | ||
1912 | static int mlx4_ib_netdev_event(struct notifier_block *this, | |
1913 | unsigned long event, void *ptr) | |
1914 | { | |
1915 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | |
1916 | struct mlx4_ib_dev *ibdev; | |
1917 | ||
1918 | if (!net_eq(dev_net(dev), &init_net)) | |
1919 | return NOTIFY_DONE; | |
1920 | ||
1921 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); | |
9433c188 | 1922 | mlx4_ib_scan_netdevs(ibdev, dev, event); |
fa417f7b EC |
1923 | |
1924 | return NOTIFY_DONE; | |
1925 | } | |
1926 | ||
54679e14 JM |
1927 | static void init_pkeys(struct mlx4_ib_dev *ibdev) |
1928 | { | |
1929 | int port; | |
1930 | int slave; | |
1931 | int i; | |
1932 | ||
1933 | if (mlx4_is_master(ibdev->dev)) { | |
1934 | for (slave = 0; slave <= ibdev->dev->num_vfs; ++slave) { | |
1935 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { | |
1936 | for (i = 0; | |
1937 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
1938 | ++i) { | |
1939 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] = | |
1940 | /* master has the identity virt2phys pkey mapping */ | |
1941 | (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i : | |
1942 | ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1; | |
1943 | mlx4_sync_pkey_table(ibdev->dev, slave, port, i, | |
1944 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]); | |
1945 | } | |
1946 | } | |
1947 | } | |
1948 | /* initialize pkey cache */ | |
1949 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { | |
1950 | for (i = 0; | |
1951 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
1952 | ++i) | |
1953 | ibdev->pkeys.phys_pkey_cache[port-1][i] = | |
1954 | (i) ? 0 : 0xFFFF; | |
1955 | } | |
1956 | } | |
1957 | } | |
1958 | ||
e605b743 SP |
1959 | static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) |
1960 | { | |
4661bd79 | 1961 | char name[80]; |
e605b743 SP |
1962 | int eq_per_port = 0; |
1963 | int added_eqs = 0; | |
1964 | int total_eqs = 0; | |
1965 | int i, j, eq; | |
1966 | ||
3aac6ff1 SP |
1967 | /* Legacy mode or comp_pool is not large enough */ |
1968 | if (dev->caps.comp_pool == 0 || | |
1969 | dev->caps.num_ports > dev->caps.comp_pool) | |
e605b743 SP |
1970 | return; |
1971 | ||
1972 | eq_per_port = rounddown_pow_of_two(dev->caps.comp_pool/ | |
1973 | dev->caps.num_ports); | |
1974 | ||
1975 | /* Init eq table */ | |
1976 | added_eqs = 0; | |
1977 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
1978 | added_eqs += eq_per_port; | |
1979 | ||
1980 | total_eqs = dev->caps.num_comp_vectors + added_eqs; | |
1981 | ||
1982 | ibdev->eq_table = kzalloc(total_eqs * sizeof(int), GFP_KERNEL); | |
1983 | if (!ibdev->eq_table) | |
1984 | return; | |
1985 | ||
1986 | ibdev->eq_added = added_eqs; | |
1987 | ||
1988 | eq = 0; | |
1989 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) { | |
1990 | for (j = 0; j < eq_per_port; j++) { | |
4661bd79 DC |
1991 | snprintf(name, sizeof(name), "mlx4-ib-%d-%d@%s", |
1992 | i, j, dev->pdev->bus->name); | |
e605b743 | 1993 | /* Set IRQ for specific name (per ring) */ |
d9236c3f AV |
1994 | if (mlx4_assign_eq(dev, name, NULL, |
1995 | &ibdev->eq_table[eq])) { | |
e605b743 SP |
1996 | /* Use legacy (same as mlx4_en driver) */ |
1997 | pr_warn("Can't allocate EQ %d; reverting to legacy\n", eq); | |
1998 | ibdev->eq_table[eq] = | |
1999 | (eq % dev->caps.num_comp_vectors); | |
2000 | } | |
2001 | eq++; | |
2002 | } | |
2003 | } | |
2004 | ||
2005 | /* Fill the reset of the vector with legacy EQ */ | |
2006 | for (i = 0, eq = added_eqs; i < dev->caps.num_comp_vectors; i++) | |
2007 | ibdev->eq_table[eq++] = i; | |
2008 | ||
2009 | /* Advertise the new number of EQs to clients */ | |
2010 | ibdev->ib_dev.num_comp_vectors = total_eqs; | |
2011 | } | |
2012 | ||
2013 | static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) | |
2014 | { | |
2015 | int i; | |
3aac6ff1 SP |
2016 | |
2017 | /* no additional eqs were added */ | |
2018 | if (!ibdev->eq_table) | |
2019 | return; | |
e605b743 SP |
2020 | |
2021 | /* Reset the advertised EQ number */ | |
2022 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; | |
2023 | ||
2024 | /* Free only the added eqs */ | |
2025 | for (i = 0; i < ibdev->eq_added; i++) { | |
2026 | /* Don't free legacy eqs if used */ | |
2027 | if (ibdev->eq_table[i] <= dev->caps.num_comp_vectors) | |
2028 | continue; | |
2029 | mlx4_release_eq(dev, ibdev->eq_table[i]); | |
2030 | } | |
2031 | ||
e605b743 | 2032 | kfree(ibdev->eq_table); |
e605b743 SP |
2033 | } |
2034 | ||
225c7b1f RD |
2035 | static void *mlx4_ib_add(struct mlx4_dev *dev) |
2036 | { | |
2037 | struct mlx4_ib_dev *ibdev; | |
22e7ef9c | 2038 | int num_ports = 0; |
035b1032 | 2039 | int i, j; |
fa417f7b EC |
2040 | int err; |
2041 | struct mlx4_ib_iboe *iboe; | |
4196670b | 2042 | int ib_num_ports = 0; |
225c7b1f | 2043 | |
987c8f8f | 2044 | pr_info_once("%s", mlx4_ib_version); |
68f3948d | 2045 | |
026149cb | 2046 | num_ports = 0; |
fa417f7b | 2047 | mlx4_foreach_ib_transport_port(i, dev) |
22e7ef9c RD |
2048 | num_ports++; |
2049 | ||
2050 | /* No point in registering a device with no ports... */ | |
2051 | if (num_ports == 0) | |
2052 | return NULL; | |
2053 | ||
225c7b1f RD |
2054 | ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev); |
2055 | if (!ibdev) { | |
2056 | dev_err(&dev->pdev->dev, "Device struct alloc failed\n"); | |
2057 | return NULL; | |
2058 | } | |
2059 | ||
fa417f7b EC |
2060 | iboe = &ibdev->iboe; |
2061 | ||
225c7b1f RD |
2062 | if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) |
2063 | goto err_dealloc; | |
2064 | ||
2065 | if (mlx4_uar_alloc(dev, &ibdev->priv_uar)) | |
2066 | goto err_pd; | |
2067 | ||
4979d18f RD |
2068 | ibdev->uar_map = ioremap((phys_addr_t) ibdev->priv_uar.pfn << PAGE_SHIFT, |
2069 | PAGE_SIZE); | |
225c7b1f RD |
2070 | if (!ibdev->uar_map) |
2071 | goto err_uar; | |
26c6bc7b | 2072 | MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); |
225c7b1f | 2073 | |
225c7b1f RD |
2074 | ibdev->dev = dev; |
2075 | ||
2076 | strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX); | |
2077 | ibdev->ib_dev.owner = THIS_MODULE; | |
2078 | ibdev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
95d04f07 | 2079 | ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey; |
22e7ef9c | 2080 | ibdev->num_ports = num_ports; |
7ff93f8b | 2081 | ibdev->ib_dev.phys_port_cnt = ibdev->num_ports; |
b8dd786f | 2082 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; |
225c7b1f RD |
2083 | ibdev->ib_dev.dma_device = &dev->pdev->dev; |
2084 | ||
08ff3235 OG |
2085 | if (dev->caps.userspace_caps) |
2086 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION; | |
2087 | else | |
2088 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION; | |
2089 | ||
225c7b1f RD |
2090 | ibdev->ib_dev.uverbs_cmd_mask = |
2091 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
2092 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
2093 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
2094 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
2095 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
2096 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
9376932d | 2097 | (1ull << IB_USER_VERBS_CMD_REREG_MR) | |
225c7b1f RD |
2098 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
2099 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
2100 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
bbf8eed1 | 2101 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | |
225c7b1f RD |
2102 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | |
2103 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
2104 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
6a775e2b | 2105 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
225c7b1f RD |
2106 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | |
2107 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
2108 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
2109 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
2110 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
65541cb7 | 2111 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | |
18abd5ea | 2112 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | |
42849b26 SH |
2113 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | |
2114 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
225c7b1f RD |
2115 | |
2116 | ibdev->ib_dev.query_device = mlx4_ib_query_device; | |
2117 | ibdev->ib_dev.query_port = mlx4_ib_query_port; | |
fa417f7b | 2118 | ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; |
225c7b1f RD |
2119 | ibdev->ib_dev.query_gid = mlx4_ib_query_gid; |
2120 | ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; | |
2121 | ibdev->ib_dev.modify_device = mlx4_ib_modify_device; | |
2122 | ibdev->ib_dev.modify_port = mlx4_ib_modify_port; | |
2123 | ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext; | |
2124 | ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext; | |
2125 | ibdev->ib_dev.mmap = mlx4_ib_mmap; | |
2126 | ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd; | |
2127 | ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd; | |
2128 | ibdev->ib_dev.create_ah = mlx4_ib_create_ah; | |
2129 | ibdev->ib_dev.query_ah = mlx4_ib_query_ah; | |
2130 | ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; | |
2131 | ibdev->ib_dev.create_srq = mlx4_ib_create_srq; | |
2132 | ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; | |
65541cb7 | 2133 | ibdev->ib_dev.query_srq = mlx4_ib_query_srq; |
225c7b1f RD |
2134 | ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; |
2135 | ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; | |
2136 | ibdev->ib_dev.create_qp = mlx4_ib_create_qp; | |
2137 | ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp; | |
6a775e2b | 2138 | ibdev->ib_dev.query_qp = mlx4_ib_query_qp; |
225c7b1f RD |
2139 | ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp; |
2140 | ibdev->ib_dev.post_send = mlx4_ib_post_send; | |
2141 | ibdev->ib_dev.post_recv = mlx4_ib_post_recv; | |
2142 | ibdev->ib_dev.create_cq = mlx4_ib_create_cq; | |
3fdcb97f | 2143 | ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq; |
bbf8eed1 | 2144 | ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq; |
225c7b1f RD |
2145 | ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq; |
2146 | ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq; | |
2147 | ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; | |
2148 | ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; | |
2149 | ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; | |
9376932d | 2150 | ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr; |
225c7b1f | 2151 | ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; |
95d04f07 RD |
2152 | ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; |
2153 | ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; | |
2154 | ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list; | |
225c7b1f RD |
2155 | ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; |
2156 | ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach; | |
2157 | ibdev->ib_dev.process_mad = mlx4_ib_process_mad; | |
2158 | ||
992e8e6e JM |
2159 | if (!mlx4_is_slave(ibdev->dev)) { |
2160 | ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc; | |
2161 | ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr; | |
2162 | ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; | |
2163 | ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; | |
2164 | } | |
8ad11fb6 | 2165 | |
b425388d SM |
2166 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || |
2167 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
2168 | ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw; | |
2169 | ibdev->ib_dev.bind_mw = mlx4_ib_bind_mw; | |
2170 | ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw; | |
2171 | ||
2172 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2173 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
2174 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
2175 | } | |
2176 | ||
012a8ff5 SH |
2177 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) { |
2178 | ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; | |
2179 | ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; | |
2180 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2181 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
2182 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
2183 | } | |
2184 | ||
f77c0162 | 2185 | if (check_flow_steering_support(dev)) { |
0a9b7d59 | 2186 | ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED; |
f77c0162 HHZ |
2187 | ibdev->ib_dev.create_flow = mlx4_ib_create_flow; |
2188 | ibdev->ib_dev.destroy_flow = mlx4_ib_destroy_flow; | |
2189 | ||
f21519b2 YD |
2190 | ibdev->ib_dev.uverbs_ex_cmd_mask |= |
2191 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
2192 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); | |
f77c0162 HHZ |
2193 | } |
2194 | ||
e605b743 SP |
2195 | mlx4_ib_alloc_eqs(dev, ibdev); |
2196 | ||
fa417f7b EC |
2197 | spin_lock_init(&iboe->lock); |
2198 | ||
225c7b1f RD |
2199 | if (init_node_data(ibdev)) |
2200 | goto err_map; | |
2201 | ||
cfcde11c | 2202 | for (i = 0; i < ibdev->num_ports; ++i) { |
9433c188 | 2203 | mutex_init(&ibdev->qp1_proxy_lock[i]); |
cfcde11c OG |
2204 | if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) == |
2205 | IB_LINK_LAYER_ETHERNET) { | |
2206 | err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]); | |
2207 | if (err) | |
2208 | ibdev->counters[i] = -1; | |
3839d8ac DC |
2209 | } else { |
2210 | ibdev->counters[i] = -1; | |
2211 | } | |
cfcde11c OG |
2212 | } |
2213 | ||
4196670b MB |
2214 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) |
2215 | ib_num_ports++; | |
2216 | ||
225c7b1f RD |
2217 | spin_lock_init(&ibdev->sm_lock); |
2218 | mutex_init(&ibdev->cap_mask_mutex); | |
2219 | ||
4196670b MB |
2220 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED && |
2221 | ib_num_ports) { | |
c1c98501 MB |
2222 | ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; |
2223 | err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, | |
2224 | MLX4_IB_UC_STEER_QPN_ALIGN, | |
2225 | &ibdev->steer_qpn_base); | |
2226 | if (err) | |
2227 | goto err_counter; | |
2228 | ||
2229 | ibdev->ib_uc_qpns_bitmap = | |
2230 | kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) * | |
2231 | sizeof(long), | |
2232 | GFP_KERNEL); | |
2233 | if (!ibdev->ib_uc_qpns_bitmap) { | |
2234 | dev_err(&dev->pdev->dev, "bit map alloc failed\n"); | |
2235 | goto err_steer_qp_release; | |
2236 | } | |
2237 | ||
2238 | bitmap_zero(ibdev->ib_uc_qpns_bitmap, ibdev->steer_qpn_count); | |
2239 | ||
2240 | err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE( | |
2241 | dev, ibdev->steer_qpn_base, | |
2242 | ibdev->steer_qpn_base + | |
2243 | ibdev->steer_qpn_count - 1); | |
2244 | if (err) | |
2245 | goto err_steer_free_bitmap; | |
2246 | } | |
2247 | ||
3e0629cb JM |
2248 | for (j = 1; j <= ibdev->dev->caps.num_ports; j++) |
2249 | atomic64_set(&iboe->mac[j - 1], ibdev->dev->caps.def_mac[j]); | |
2250 | ||
9a6edb60 | 2251 | if (ib_register_device(&ibdev->ib_dev, NULL)) |
c1c98501 | 2252 | goto err_steer_free_bitmap; |
225c7b1f RD |
2253 | |
2254 | if (mlx4_ib_mad_init(ibdev)) | |
2255 | goto err_reg; | |
2256 | ||
fc06573d JM |
2257 | if (mlx4_ib_init_sriov(ibdev)) |
2258 | goto err_mad; | |
2259 | ||
d487ee77 MS |
2260 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) { |
2261 | if (!iboe->nb.notifier_call) { | |
2262 | iboe->nb.notifier_call = mlx4_ib_netdev_event; | |
2263 | err = register_netdevice_notifier(&iboe->nb); | |
2264 | if (err) { | |
2265 | iboe->nb.notifier_call = NULL; | |
2266 | goto err_notif; | |
2267 | } | |
2268 | } | |
2269 | if (!iboe->nb_inet.notifier_call) { | |
2270 | iboe->nb_inet.notifier_call = mlx4_ib_inet_event; | |
2271 | err = register_inetaddr_notifier(&iboe->nb_inet); | |
2272 | if (err) { | |
2273 | iboe->nb_inet.notifier_call = NULL; | |
2274 | goto err_notif; | |
2275 | } | |
2276 | } | |
27cdef63 | 2277 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2278 | if (!iboe->nb_inet6.notifier_call) { |
2279 | iboe->nb_inet6.notifier_call = mlx4_ib_inet6_event; | |
2280 | err = register_inet6addr_notifier(&iboe->nb_inet6); | |
2281 | if (err) { | |
2282 | iboe->nb_inet6.notifier_call = NULL; | |
2283 | goto err_notif; | |
2284 | } | |
2285 | } | |
2286 | #endif | |
655b2aae MS |
2287 | if (mlx4_ib_init_gid_table(ibdev)) |
2288 | goto err_notif; | |
fa417f7b EC |
2289 | } |
2290 | ||
035b1032 | 2291 | for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { |
f4e91eb4 | 2292 | if (device_create_file(&ibdev->ib_dev.dev, |
035b1032 | 2293 | mlx4_class_attributes[j])) |
fa417f7b | 2294 | goto err_notif; |
cd9281d8 JM |
2295 | } |
2296 | ||
3b4a8cd5 JM |
2297 | ibdev->ib_active = true; |
2298 | ||
54679e14 JM |
2299 | if (mlx4_is_mfunc(ibdev->dev)) |
2300 | init_pkeys(ibdev); | |
2301 | ||
3806d08c JM |
2302 | /* create paravirt contexts for any VFs which are active */ |
2303 | if (mlx4_is_master(ibdev->dev)) { | |
2304 | for (j = 0; j < MLX4_MFUNC_MAX; j++) { | |
2305 | if (j == mlx4_master_func_num(ibdev->dev)) | |
2306 | continue; | |
2307 | if (mlx4_is_slave_active(ibdev->dev, j)) | |
2308 | do_slave_init(ibdev, j, 1); | |
2309 | } | |
2310 | } | |
225c7b1f RD |
2311 | return ibdev; |
2312 | ||
fa417f7b | 2313 | err_notif: |
d487ee77 MS |
2314 | if (ibdev->iboe.nb.notifier_call) { |
2315 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
2316 | pr_warn("failure unregistering notifier\n"); | |
2317 | ibdev->iboe.nb.notifier_call = NULL; | |
2318 | } | |
2319 | if (ibdev->iboe.nb_inet.notifier_call) { | |
2320 | if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) | |
2321 | pr_warn("failure unregistering notifier\n"); | |
2322 | ibdev->iboe.nb_inet.notifier_call = NULL; | |
2323 | } | |
27cdef63 | 2324 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2325 | if (ibdev->iboe.nb_inet6.notifier_call) { |
2326 | if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) | |
2327 | pr_warn("failure unregistering notifier\n"); | |
2328 | ibdev->iboe.nb_inet6.notifier_call = NULL; | |
2329 | } | |
2330 | #endif | |
fa417f7b EC |
2331 | flush_workqueue(wq); |
2332 | ||
fc06573d JM |
2333 | mlx4_ib_close_sriov(ibdev); |
2334 | ||
2335 | err_mad: | |
2336 | mlx4_ib_mad_cleanup(ibdev); | |
2337 | ||
225c7b1f RD |
2338 | err_reg: |
2339 | ib_unregister_device(&ibdev->ib_dev); | |
2340 | ||
c1c98501 MB |
2341 | err_steer_free_bitmap: |
2342 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2343 | ||
2344 | err_steer_qp_release: | |
2345 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2346 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2347 | ibdev->steer_qpn_count); | |
cfcde11c OG |
2348 | err_counter: |
2349 | for (; i; --i) | |
4af3ce0d RD |
2350 | if (ibdev->counters[i - 1] != -1) |
2351 | mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]); | |
cfcde11c | 2352 | |
225c7b1f RD |
2353 | err_map: |
2354 | iounmap(ibdev->uar_map); | |
2355 | ||
2356 | err_uar: | |
2357 | mlx4_uar_free(dev, &ibdev->priv_uar); | |
2358 | ||
2359 | err_pd: | |
2360 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2361 | ||
2362 | err_dealloc: | |
2363 | ib_dealloc_device(&ibdev->ib_dev); | |
2364 | ||
2365 | return NULL; | |
2366 | } | |
2367 | ||
c1c98501 MB |
2368 | int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn) |
2369 | { | |
2370 | int offset; | |
2371 | ||
2372 | WARN_ON(!dev->ib_uc_qpns_bitmap); | |
2373 | ||
2374 | offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap, | |
2375 | dev->steer_qpn_count, | |
2376 | get_count_order(count)); | |
2377 | if (offset < 0) | |
2378 | return offset; | |
2379 | ||
2380 | *qpn = dev->steer_qpn_base + offset; | |
2381 | return 0; | |
2382 | } | |
2383 | ||
2384 | void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count) | |
2385 | { | |
2386 | if (!qpn || | |
2387 | dev->steering_support != MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2388 | return; | |
2389 | ||
2390 | BUG_ON(qpn < dev->steer_qpn_base); | |
2391 | ||
2392 | bitmap_release_region(dev->ib_uc_qpns_bitmap, | |
2393 | qpn - dev->steer_qpn_base, | |
2394 | get_count_order(count)); | |
2395 | } | |
2396 | ||
2397 | int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
2398 | int is_attach) | |
2399 | { | |
2400 | int err; | |
2401 | size_t flow_size; | |
2402 | struct ib_flow_attr *flow = NULL; | |
2403 | struct ib_flow_spec_ib *ib_spec; | |
2404 | ||
2405 | if (is_attach) { | |
2406 | flow_size = sizeof(struct ib_flow_attr) + | |
2407 | sizeof(struct ib_flow_spec_ib); | |
2408 | flow = kzalloc(flow_size, GFP_KERNEL); | |
2409 | if (!flow) | |
2410 | return -ENOMEM; | |
2411 | flow->port = mqp->port; | |
2412 | flow->num_of_specs = 1; | |
2413 | flow->size = flow_size; | |
2414 | ib_spec = (struct ib_flow_spec_ib *)(flow + 1); | |
2415 | ib_spec->type = IB_FLOW_SPEC_IB; | |
2416 | ib_spec->size = sizeof(struct ib_flow_spec_ib); | |
2417 | /* Add an empty rule for IB L2 */ | |
2418 | memset(&ib_spec->mask, 0, sizeof(ib_spec->mask)); | |
2419 | ||
2420 | err = __mlx4_ib_create_flow(&mqp->ibqp, flow, | |
2421 | IB_FLOW_DOMAIN_NIC, | |
2422 | MLX4_FS_REGULAR, | |
2423 | &mqp->reg_id); | |
2424 | } else { | |
2425 | err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id); | |
2426 | } | |
2427 | kfree(flow); | |
2428 | return err; | |
2429 | } | |
2430 | ||
225c7b1f RD |
2431 | static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) |
2432 | { | |
2433 | struct mlx4_ib_dev *ibdev = ibdev_ptr; | |
2434 | int p; | |
2435 | ||
4bf9715f MS |
2436 | ibdev->ib_active = false; |
2437 | flush_workqueue(wq); | |
2438 | ||
fc06573d | 2439 | mlx4_ib_close_sriov(ibdev); |
a6a47771 YP |
2440 | mlx4_ib_mad_cleanup(ibdev); |
2441 | ib_unregister_device(&ibdev->ib_dev); | |
fa417f7b EC |
2442 | if (ibdev->iboe.nb.notifier_call) { |
2443 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
987c8f8f | 2444 | pr_warn("failure unregistering notifier\n"); |
fa417f7b EC |
2445 | ibdev->iboe.nb.notifier_call = NULL; |
2446 | } | |
c1c98501 MB |
2447 | |
2448 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
2449 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2450 | ibdev->steer_qpn_count); | |
2451 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2452 | } | |
2453 | ||
d487ee77 MS |
2454 | if (ibdev->iboe.nb_inet.notifier_call) { |
2455 | if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) | |
2456 | pr_warn("failure unregistering notifier\n"); | |
2457 | ibdev->iboe.nb_inet.notifier_call = NULL; | |
2458 | } | |
27cdef63 | 2459 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2460 | if (ibdev->iboe.nb_inet6.notifier_call) { |
2461 | if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) | |
2462 | pr_warn("failure unregistering notifier\n"); | |
2463 | ibdev->iboe.nb_inet6.notifier_call = NULL; | |
2464 | } | |
2465 | #endif | |
fb1b5034 | 2466 | |
fa417f7b | 2467 | iounmap(ibdev->uar_map); |
cfcde11c | 2468 | for (p = 0; p < ibdev->num_ports; ++p) |
4af3ce0d RD |
2469 | if (ibdev->counters[p] != -1) |
2470 | mlx4_counter_free(ibdev->dev, ibdev->counters[p]); | |
fa417f7b | 2471 | mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) |
225c7b1f RD |
2472 | mlx4_CLOSE_PORT(dev, p); |
2473 | ||
e605b743 SP |
2474 | mlx4_ib_free_eqs(dev, ibdev); |
2475 | ||
225c7b1f RD |
2476 | mlx4_uar_free(dev, &ibdev->priv_uar); |
2477 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2478 | ib_dealloc_device(&ibdev->ib_dev); | |
2479 | } | |
2480 | ||
fc06573d JM |
2481 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) |
2482 | { | |
2483 | struct mlx4_ib_demux_work **dm = NULL; | |
2484 | struct mlx4_dev *dev = ibdev->dev; | |
2485 | int i; | |
2486 | unsigned long flags; | |
449fc488 MB |
2487 | struct mlx4_active_ports actv_ports; |
2488 | unsigned int ports; | |
2489 | unsigned int first_port; | |
fc06573d JM |
2490 | |
2491 | if (!mlx4_is_master(dev)) | |
2492 | return; | |
2493 | ||
449fc488 MB |
2494 | actv_ports = mlx4_get_active_ports(dev, slave); |
2495 | ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports); | |
2496 | first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
2497 | ||
2498 | dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC); | |
fc06573d JM |
2499 | if (!dm) { |
2500 | pr_err("failed to allocate memory for tunneling qp update\n"); | |
2501 | goto out; | |
2502 | } | |
2503 | ||
449fc488 | 2504 | for (i = 0; i < ports; i++) { |
fc06573d JM |
2505 | dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); |
2506 | if (!dm[i]) { | |
2507 | pr_err("failed to allocate memory for tunneling qp update work struct\n"); | |
2508 | for (i = 0; i < dev->caps.num_ports; i++) { | |
2509 | if (dm[i]) | |
2510 | kfree(dm[i]); | |
2511 | } | |
2512 | goto out; | |
2513 | } | |
2514 | } | |
2515 | /* initialize or tear down tunnel QPs for the slave */ | |
449fc488 | 2516 | for (i = 0; i < ports; i++) { |
fc06573d | 2517 | INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); |
449fc488 | 2518 | dm[i]->port = first_port + i + 1; |
fc06573d JM |
2519 | dm[i]->slave = slave; |
2520 | dm[i]->do_init = do_init; | |
2521 | dm[i]->dev = ibdev; | |
2522 | spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); | |
2523 | if (!ibdev->sriov.is_going_down) | |
2524 | queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); | |
2525 | spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); | |
2526 | } | |
2527 | out: | |
c89d1271 | 2528 | kfree(dm); |
fc06573d JM |
2529 | return; |
2530 | } | |
2531 | ||
225c7b1f | 2532 | static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, |
00f5ce99 | 2533 | enum mlx4_dev_event event, unsigned long param) |
225c7b1f RD |
2534 | { |
2535 | struct ib_event ibev; | |
7ff93f8b | 2536 | struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); |
00f5ce99 JM |
2537 | struct mlx4_eqe *eqe = NULL; |
2538 | struct ib_event_work *ew; | |
fc06573d | 2539 | int p = 0; |
00f5ce99 JM |
2540 | |
2541 | if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE) | |
2542 | eqe = (struct mlx4_eqe *)param; | |
2543 | else | |
fc06573d | 2544 | p = (int) param; |
225c7b1f RD |
2545 | |
2546 | switch (event) { | |
37608eea | 2547 | case MLX4_DEV_EVENT_PORT_UP: |
fc06573d JM |
2548 | if (p > ibdev->num_ports) |
2549 | return; | |
a0c64a17 JM |
2550 | if (mlx4_is_master(dev) && |
2551 | rdma_port_get_link_layer(&ibdev->ib_dev, p) == | |
2552 | IB_LINK_LAYER_INFINIBAND) { | |
2553 | mlx4_ib_invalidate_all_guid_record(ibdev, p); | |
2554 | } | |
37608eea | 2555 | ibev.event = IB_EVENT_PORT_ACTIVE; |
225c7b1f RD |
2556 | break; |
2557 | ||
37608eea | 2558 | case MLX4_DEV_EVENT_PORT_DOWN: |
fc06573d JM |
2559 | if (p > ibdev->num_ports) |
2560 | return; | |
37608eea RD |
2561 | ibev.event = IB_EVENT_PORT_ERR; |
2562 | break; | |
2563 | ||
2564 | case MLX4_DEV_EVENT_CATASTROPHIC_ERROR: | |
3b4a8cd5 | 2565 | ibdev->ib_active = false; |
225c7b1f RD |
2566 | ibev.event = IB_EVENT_DEVICE_FATAL; |
2567 | break; | |
2568 | ||
00f5ce99 JM |
2569 | case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: |
2570 | ew = kmalloc(sizeof *ew, GFP_ATOMIC); | |
2571 | if (!ew) { | |
2572 | pr_err("failed to allocate memory for events work\n"); | |
2573 | break; | |
2574 | } | |
2575 | ||
2576 | INIT_WORK(&ew->work, handle_port_mgmt_change_event); | |
2577 | memcpy(&ew->ib_eqe, eqe, sizeof *eqe); | |
2578 | ew->ib_dev = ibdev; | |
992e8e6e JM |
2579 | /* need to queue only for port owner, which uses GEN_EQE */ |
2580 | if (mlx4_is_master(dev)) | |
2581 | queue_work(wq, &ew->work); | |
2582 | else | |
2583 | handle_port_mgmt_change_event(&ew->work); | |
00f5ce99 JM |
2584 | return; |
2585 | ||
fc06573d JM |
2586 | case MLX4_DEV_EVENT_SLAVE_INIT: |
2587 | /* here, p is the slave id */ | |
2588 | do_slave_init(ibdev, p, 1); | |
2589 | return; | |
2590 | ||
2591 | case MLX4_DEV_EVENT_SLAVE_SHUTDOWN: | |
2592 | /* here, p is the slave id */ | |
2593 | do_slave_init(ibdev, p, 0); | |
2594 | return; | |
2595 | ||
225c7b1f RD |
2596 | default: |
2597 | return; | |
2598 | } | |
2599 | ||
2600 | ibev.device = ibdev_ptr; | |
fc06573d | 2601 | ibev.element.port_num = (u8) p; |
225c7b1f RD |
2602 | |
2603 | ib_dispatch_event(&ibev); | |
2604 | } | |
2605 | ||
2606 | static struct mlx4_interface mlx4_ib_interface = { | |
fa417f7b EC |
2607 | .add = mlx4_ib_add, |
2608 | .remove = mlx4_ib_remove, | |
2609 | .event = mlx4_ib_event, | |
0345584e | 2610 | .protocol = MLX4_PROT_IB_IPV6 |
225c7b1f RD |
2611 | }; |
2612 | ||
2613 | static int __init mlx4_ib_init(void) | |
2614 | { | |
fa417f7b EC |
2615 | int err; |
2616 | ||
2617 | wq = create_singlethread_workqueue("mlx4_ib"); | |
2618 | if (!wq) | |
2619 | return -ENOMEM; | |
2620 | ||
b9c5d6a6 OD |
2621 | err = mlx4_ib_mcg_init(); |
2622 | if (err) | |
2623 | goto clean_wq; | |
2624 | ||
fa417f7b | 2625 | err = mlx4_register_interface(&mlx4_ib_interface); |
b9c5d6a6 OD |
2626 | if (err) |
2627 | goto clean_mcg; | |
fa417f7b EC |
2628 | |
2629 | return 0; | |
b9c5d6a6 OD |
2630 | |
2631 | clean_mcg: | |
2632 | mlx4_ib_mcg_destroy(); | |
2633 | ||
2634 | clean_wq: | |
2635 | destroy_workqueue(wq); | |
2636 | return err; | |
225c7b1f RD |
2637 | } |
2638 | ||
2639 | static void __exit mlx4_ib_cleanup(void) | |
2640 | { | |
2641 | mlx4_unregister_interface(&mlx4_ib_interface); | |
b9c5d6a6 | 2642 | mlx4_ib_mcg_destroy(); |
fa417f7b | 2643 | destroy_workqueue(wq); |
225c7b1f RD |
2644 | } |
2645 | ||
2646 | module_init(mlx4_ib_init); | |
2647 | module_exit(mlx4_ib_cleanup); |