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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> | |
51 | ||
52 | #include "mlx4_ib.h" | |
53 | #include "user.h" | |
54 | ||
b1d8eb5a | 55 | #define DRV_NAME MLX4_IB_DRV_NAME |
169a1d85 AV |
56 | #define DRV_VERSION "2.2-1" |
57 | #define DRV_RELDATE "Feb 2014" | |
225c7b1f | 58 | |
f77c0162 | 59 | #define MLX4_IB_FLOW_MAX_PRIO 0xFFF |
a37a1a42 | 60 | #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF |
f77c0162 | 61 | |
225c7b1f RD |
62 | MODULE_AUTHOR("Roland Dreier"); |
63 | MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver"); | |
64 | MODULE_LICENSE("Dual BSD/GPL"); | |
65 | MODULE_VERSION(DRV_VERSION); | |
66 | ||
a0c64a17 JM |
67 | int mlx4_ib_sm_guid_assign = 1; |
68 | module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444); | |
69 | MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 1)"); | |
70 | ||
68f3948d | 71 | static const char mlx4_ib_version[] = |
225c7b1f RD |
72 | DRV_NAME ": Mellanox ConnectX InfiniBand driver v" |
73 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
74 | ||
fa417f7b EC |
75 | struct update_gid_work { |
76 | struct work_struct work; | |
77 | union ib_gid gids[128]; | |
78 | struct mlx4_ib_dev *dev; | |
79 | int port; | |
80 | }; | |
81 | ||
3806d08c JM |
82 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init); |
83 | ||
fa417f7b EC |
84 | static struct workqueue_struct *wq; |
85 | ||
225c7b1f RD |
86 | static void init_query_mad(struct ib_smp *mad) |
87 | { | |
88 | mad->base_version = 1; | |
89 | mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; | |
90 | mad->class_version = 1; | |
91 | mad->method = IB_MGMT_METHOD_GET; | |
92 | } | |
93 | ||
4c3eb3ca EC |
94 | static union ib_gid zgid; |
95 | ||
f77c0162 HHZ |
96 | static int check_flow_steering_support(struct mlx4_dev *dev) |
97 | { | |
0a9b7d59 | 98 | int eth_num_ports = 0; |
f77c0162 | 99 | int ib_num_ports = 0; |
f77c0162 | 100 | |
0a9b7d59 MB |
101 | int dmfs = dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED; |
102 | ||
103 | if (dmfs) { | |
104 | int i; | |
105 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) | |
106 | eth_num_ports++; | |
107 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
108 | ib_num_ports++; | |
109 | dmfs &= (!ib_num_ports || | |
110 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB)) && | |
111 | (!eth_num_ports || | |
112 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN)); | |
113 | if (ib_num_ports && mlx4_is_mfunc(dev)) { | |
114 | pr_warn("Device managed flow steering is unavailable for IB port in multifunction env.\n"); | |
115 | dmfs = 0; | |
f77c0162 | 116 | } |
f77c0162 | 117 | } |
0a9b7d59 | 118 | return dmfs; |
f77c0162 HHZ |
119 | } |
120 | ||
225c7b1f RD |
121 | static int mlx4_ib_query_device(struct ib_device *ibdev, |
122 | struct ib_device_attr *props) | |
123 | { | |
124 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
125 | struct ib_smp *in_mad = NULL; | |
126 | struct ib_smp *out_mad = NULL; | |
127 | int err = -ENOMEM; | |
128 | ||
129 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
130 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
131 | if (!in_mad || !out_mad) | |
132 | goto out; | |
133 | ||
134 | init_query_mad(in_mad); | |
135 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
136 | ||
0a9a0188 JM |
137 | err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS, |
138 | 1, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
139 | if (err) |
140 | goto out; | |
141 | ||
142 | memset(props, 0, sizeof *props); | |
143 | ||
144 | props->fw_ver = dev->dev->caps.fw_ver; | |
145 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | | |
146 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
147 | IB_DEVICE_SYS_IMAGE_GUID | | |
521e575b RL |
148 | IB_DEVICE_RC_RNR_NAK_GEN | |
149 | IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; | |
225c7b1f RD |
150 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR) |
151 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; | |
152 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR) | |
153 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; | |
154 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM) | |
155 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; | |
156 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) | |
157 | props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; | |
8ff095ec EC |
158 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) |
159 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
417608c2 | 160 | if (dev->dev->caps.max_gso_sz && dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH) |
b832be1e | 161 | props->device_cap_flags |= IB_DEVICE_UD_TSO; |
95d04f07 RD |
162 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY) |
163 | props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; | |
164 | if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) && | |
165 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) && | |
166 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR)) | |
167 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
0a1405da SH |
168 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) |
169 | props->device_cap_flags |= IB_DEVICE_XRC; | |
b425388d SM |
170 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW) |
171 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW; | |
172 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
173 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B) | |
174 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
175 | else | |
176 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A; | |
0a9b7d59 | 177 | if (dev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) |
f77c0162 | 178 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; |
b425388d | 179 | } |
225c7b1f RD |
180 | |
181 | props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & | |
182 | 0xffffff; | |
992e8e6e | 183 | props->vendor_part_id = dev->dev->pdev->device; |
225c7b1f RD |
184 | props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
185 | memcpy(&props->sys_image_guid, out_mad->data + 4, 8); | |
186 | ||
187 | props->max_mr_size = ~0ull; | |
188 | props->page_size_cap = dev->dev->caps.page_size_cap; | |
5a0d0a61 | 189 | props->max_qp = dev->dev->quotas.qp; |
fc2d0044 | 190 | props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; |
225c7b1f RD |
191 | props->max_sge = min(dev->dev->caps.max_sq_sg, |
192 | dev->dev->caps.max_rq_sg); | |
5a0d0a61 | 193 | props->max_cq = dev->dev->quotas.cq; |
225c7b1f | 194 | props->max_cqe = dev->dev->caps.max_cqes; |
5a0d0a61 | 195 | props->max_mr = dev->dev->quotas.mpt; |
225c7b1f RD |
196 | props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds; |
197 | props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma; | |
198 | props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma; | |
199 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; | |
5a0d0a61 | 200 | props->max_srq = dev->dev->quotas.srq; |
c8681f14 | 201 | props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; |
225c7b1f | 202 | props->max_srq_sge = dev->dev->caps.max_srq_sge; |
5a0fd094 | 203 | props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; |
225c7b1f RD |
204 | props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; |
205 | props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? | |
206 | IB_ATOMIC_HCA : IB_ATOMIC_NONE; | |
47e956b2 | 207 | props->masked_atomic_cap = props->atomic_cap; |
5ae2a7a8 | 208 | props->max_pkeys = dev->dev->caps.pkey_table_len[1]; |
225c7b1f RD |
209 | props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms; |
210 | props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; | |
211 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * | |
212 | props->max_mcast_grp; | |
a5bbe892 | 213 | props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; |
225c7b1f RD |
214 | |
215 | out: | |
216 | kfree(in_mad); | |
217 | kfree(out_mad); | |
218 | ||
219 | return err; | |
220 | } | |
221 | ||
fa417f7b EC |
222 | static enum rdma_link_layer |
223 | mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
225c7b1f | 224 | { |
fa417f7b | 225 | struct mlx4_dev *dev = to_mdev(device)->dev; |
225c7b1f | 226 | |
65dab25d | 227 | return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ? |
fa417f7b EC |
228 | IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; |
229 | } | |
225c7b1f | 230 | |
fa417f7b | 231 | static int ib_link_query_port(struct ib_device *ibdev, u8 port, |
0a9a0188 | 232 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 233 | { |
a9c766bb OG |
234 | struct ib_smp *in_mad = NULL; |
235 | struct ib_smp *out_mad = NULL; | |
a5e12dff | 236 | int ext_active_speed; |
0a9a0188 | 237 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
a9c766bb OG |
238 | int err = -ENOMEM; |
239 | ||
240 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
241 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
242 | if (!in_mad || !out_mad) | |
243 | goto out; | |
244 | ||
245 | init_query_mad(in_mad); | |
246 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
247 | in_mad->attr_mod = cpu_to_be32(port); | |
248 | ||
0a9a0188 JM |
249 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
250 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
251 | ||
252 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
a9c766bb OG |
253 | in_mad, out_mad); |
254 | if (err) | |
255 | goto out; | |
256 | ||
a5e12dff | 257 | |
225c7b1f RD |
258 | props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); |
259 | props->lmc = out_mad->data[34] & 0x7; | |
260 | props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); | |
261 | props->sm_sl = out_mad->data[36] & 0xf; | |
262 | props->state = out_mad->data[32] & 0xf; | |
263 | props->phys_state = out_mad->data[33] >> 4; | |
264 | props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); | |
0a9a0188 JM |
265 | if (netw_view) |
266 | props->gid_tbl_len = out_mad->data[50]; | |
267 | else | |
268 | props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; | |
149983af | 269 | props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; |
5ae2a7a8 | 270 | props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; |
225c7b1f RD |
271 | props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); |
272 | props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); | |
273 | props->active_width = out_mad->data[31] & 0xf; | |
274 | props->active_speed = out_mad->data[35] >> 4; | |
275 | props->max_mtu = out_mad->data[41] & 0xf; | |
276 | props->active_mtu = out_mad->data[36] >> 4; | |
277 | props->subnet_timeout = out_mad->data[51] & 0x1f; | |
278 | props->max_vl_num = out_mad->data[37] >> 4; | |
279 | props->init_type_reply = out_mad->data[41] >> 4; | |
280 | ||
a5e12dff MA |
281 | /* Check if extended speeds (EDR/FDR/...) are supported */ |
282 | if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { | |
283 | ext_active_speed = out_mad->data[62] >> 4; | |
284 | ||
285 | switch (ext_active_speed) { | |
286 | case 1: | |
2e96691c | 287 | props->active_speed = IB_SPEED_FDR; |
a5e12dff MA |
288 | break; |
289 | case 2: | |
2e96691c | 290 | props->active_speed = IB_SPEED_EDR; |
a5e12dff MA |
291 | break; |
292 | } | |
293 | } | |
294 | ||
295 | /* If reported active speed is QDR, check if is FDR-10 */ | |
2e96691c | 296 | if (props->active_speed == IB_SPEED_QDR) { |
8154c07f OG |
297 | init_query_mad(in_mad); |
298 | in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO; | |
299 | in_mad->attr_mod = cpu_to_be32(port); | |
300 | ||
0a9a0188 | 301 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, |
8154c07f OG |
302 | NULL, NULL, in_mad, out_mad); |
303 | if (err) | |
bf6b47de | 304 | goto out; |
8154c07f OG |
305 | |
306 | /* Checking LinkSpeedActive for FDR-10 */ | |
307 | if (out_mad->data[15] & 0x1) | |
308 | props->active_speed = IB_SPEED_FDR10; | |
a5e12dff | 309 | } |
d2ef4068 OG |
310 | |
311 | /* Avoid wrong speed value returned by FW if the IB link is down. */ | |
312 | if (props->state == IB_PORT_DOWN) | |
313 | props->active_speed = IB_SPEED_SDR; | |
314 | ||
a9c766bb OG |
315 | out: |
316 | kfree(in_mad); | |
317 | kfree(out_mad); | |
318 | return err; | |
fa417f7b EC |
319 | } |
320 | ||
321 | static u8 state_to_phys_state(enum ib_port_state state) | |
322 | { | |
323 | return state == IB_PORT_ACTIVE ? 5 : 3; | |
324 | } | |
325 | ||
326 | static int eth_link_query_port(struct ib_device *ibdev, u8 port, | |
0a9a0188 | 327 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 328 | { |
a9c766bb OG |
329 | |
330 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); | |
331 | struct mlx4_ib_iboe *iboe = &mdev->iboe; | |
fa417f7b EC |
332 | struct net_device *ndev; |
333 | enum ib_mtu tmp; | |
a9c766bb OG |
334 | struct mlx4_cmd_mailbox *mailbox; |
335 | int err = 0; | |
336 | ||
337 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
338 | if (IS_ERR(mailbox)) | |
339 | return PTR_ERR(mailbox); | |
fa417f7b | 340 | |
a9c766bb OG |
341 | err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, |
342 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
343 | MLX4_CMD_WRAPPED); | |
344 | if (err) | |
345 | goto out; | |
346 | ||
347 | props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? | |
348 | IB_WIDTH_4X : IB_WIDTH_1X; | |
2e96691c | 349 | props->active_speed = IB_SPEED_QDR; |
b4a26a27 | 350 | props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS; |
a9c766bb OG |
351 | props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; |
352 | props->max_msg_sz = mdev->dev->caps.max_msg_sz; | |
fa417f7b | 353 | props->pkey_tbl_len = 1; |
bcacb897 | 354 | props->max_mtu = IB_MTU_4096; |
a9c766bb | 355 | props->max_vl_num = 2; |
fa417f7b EC |
356 | props->state = IB_PORT_DOWN; |
357 | props->phys_state = state_to_phys_state(props->state); | |
358 | props->active_mtu = IB_MTU_256; | |
359 | spin_lock(&iboe->lock); | |
360 | ndev = iboe->netdevs[port - 1]; | |
361 | if (!ndev) | |
a9c766bb | 362 | goto out_unlock; |
fa417f7b EC |
363 | |
364 | tmp = iboe_get_mtu(ndev->mtu); | |
365 | props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; | |
366 | ||
21d60609 | 367 | props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ? |
fa417f7b EC |
368 | IB_PORT_ACTIVE : IB_PORT_DOWN; |
369 | props->phys_state = state_to_phys_state(props->state); | |
a9c766bb | 370 | out_unlock: |
fa417f7b | 371 | spin_unlock(&iboe->lock); |
a9c766bb OG |
372 | out: |
373 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
374 | return err; | |
fa417f7b EC |
375 | } |
376 | ||
0a9a0188 JM |
377 | int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
378 | struct ib_port_attr *props, int netw_view) | |
fa417f7b | 379 | { |
a9c766bb | 380 | int err; |
fa417f7b EC |
381 | |
382 | memset(props, 0, sizeof *props); | |
383 | ||
fa417f7b | 384 | err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? |
0a9a0188 JM |
385 | ib_link_query_port(ibdev, port, props, netw_view) : |
386 | eth_link_query_port(ibdev, port, props, netw_view); | |
225c7b1f RD |
387 | |
388 | return err; | |
389 | } | |
390 | ||
0a9a0188 JM |
391 | static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
392 | struct ib_port_attr *props) | |
393 | { | |
394 | /* returns host view */ | |
395 | return __mlx4_ib_query_port(ibdev, port, props, 0); | |
396 | } | |
397 | ||
a0c64a17 JM |
398 | int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
399 | union ib_gid *gid, int netw_view) | |
225c7b1f RD |
400 | { |
401 | struct ib_smp *in_mad = NULL; | |
402 | struct ib_smp *out_mad = NULL; | |
403 | int err = -ENOMEM; | |
a0c64a17 JM |
404 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
405 | int clear = 0; | |
406 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; | |
225c7b1f RD |
407 | |
408 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
409 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
410 | if (!in_mad || !out_mad) | |
411 | goto out; | |
412 | ||
413 | init_query_mad(in_mad); | |
414 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
415 | in_mad->attr_mod = cpu_to_be32(port); | |
416 | ||
a0c64a17 JM |
417 | if (mlx4_is_mfunc(dev->dev) && netw_view) |
418 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
419 | ||
420 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
421 | if (err) |
422 | goto out; | |
423 | ||
424 | memcpy(gid->raw, out_mad->data + 8, 8); | |
425 | ||
a0c64a17 JM |
426 | if (mlx4_is_mfunc(dev->dev) && !netw_view) { |
427 | if (index) { | |
428 | /* For any index > 0, return the null guid */ | |
429 | err = 0; | |
430 | clear = 1; | |
431 | goto out; | |
432 | } | |
433 | } | |
434 | ||
225c7b1f RD |
435 | init_query_mad(in_mad); |
436 | in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; | |
437 | in_mad->attr_mod = cpu_to_be32(index / 8); | |
438 | ||
a0c64a17 | 439 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, |
0a9a0188 | 440 | NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
441 | if (err) |
442 | goto out; | |
443 | ||
444 | memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); | |
445 | ||
446 | out: | |
a0c64a17 JM |
447 | if (clear) |
448 | memset(gid->raw + 8, 0, 8); | |
225c7b1f RD |
449 | kfree(in_mad); |
450 | kfree(out_mad); | |
451 | return err; | |
452 | } | |
453 | ||
fa417f7b EC |
454 | static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index, |
455 | union ib_gid *gid) | |
456 | { | |
457 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
458 | ||
459 | *gid = dev->iboe.gid_table[port - 1][index]; | |
460 | ||
461 | return 0; | |
462 | } | |
463 | ||
464 | static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, | |
465 | union ib_gid *gid) | |
466 | { | |
467 | if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND) | |
a0c64a17 | 468 | return __mlx4_ib_query_gid(ibdev, port, index, gid, 0); |
fa417f7b EC |
469 | else |
470 | return iboe_query_gid(ibdev, port, index, gid); | |
471 | } | |
472 | ||
0a9a0188 JM |
473 | int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
474 | u16 *pkey, int netw_view) | |
225c7b1f RD |
475 | { |
476 | struct ib_smp *in_mad = NULL; | |
477 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 478 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
479 | int err = -ENOMEM; |
480 | ||
481 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
482 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
483 | if (!in_mad || !out_mad) | |
484 | goto out; | |
485 | ||
486 | init_query_mad(in_mad); | |
487 | in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; | |
488 | in_mad->attr_mod = cpu_to_be32(index / 32); | |
489 | ||
0a9a0188 JM |
490 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
491 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
492 | ||
493 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
494 | in_mad, out_mad); | |
225c7b1f RD |
495 | if (err) |
496 | goto out; | |
497 | ||
498 | *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); | |
499 | ||
500 | out: | |
501 | kfree(in_mad); | |
502 | kfree(out_mad); | |
503 | return err; | |
504 | } | |
505 | ||
0a9a0188 JM |
506 | static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) |
507 | { | |
508 | return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0); | |
509 | } | |
510 | ||
225c7b1f RD |
511 | static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, |
512 | struct ib_device_modify *props) | |
513 | { | |
d0d68b86 | 514 | struct mlx4_cmd_mailbox *mailbox; |
df7fba66 | 515 | unsigned long flags; |
d0d68b86 | 516 | |
225c7b1f RD |
517 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) |
518 | return -EOPNOTSUPP; | |
519 | ||
d0d68b86 JM |
520 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) |
521 | return 0; | |
522 | ||
992e8e6e JM |
523 | if (mlx4_is_slave(to_mdev(ibdev)->dev)) |
524 | return -EOPNOTSUPP; | |
525 | ||
df7fba66 | 526 | spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 | 527 | memcpy(ibdev->node_desc, props->node_desc, 64); |
df7fba66 | 528 | spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 JM |
529 | |
530 | /* | |
531 | * If possible, pass node desc to FW, so it can generate | |
532 | * a 144 trap. If cmd fails, just ignore. | |
533 | */ | |
534 | mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); | |
535 | if (IS_ERR(mailbox)) | |
536 | return 0; | |
537 | ||
d0d68b86 JM |
538 | memcpy(mailbox->buf, props->node_desc, 64); |
539 | mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, | |
992e8e6e | 540 | MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
d0d68b86 JM |
541 | |
542 | mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); | |
225c7b1f RD |
543 | |
544 | return 0; | |
545 | } | |
546 | ||
547 | static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, | |
548 | u32 cap_mask) | |
549 | { | |
550 | struct mlx4_cmd_mailbox *mailbox; | |
551 | int err; | |
fa417f7b | 552 | u8 is_eth = dev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; |
225c7b1f RD |
553 | |
554 | mailbox = mlx4_alloc_cmd_mailbox(dev->dev); | |
555 | if (IS_ERR(mailbox)) | |
556 | return PTR_ERR(mailbox); | |
557 | ||
5ae2a7a8 RD |
558 | if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
559 | *(u8 *) mailbox->buf = !!reset_qkey_viols << 6; | |
560 | ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask); | |
561 | } else { | |
562 | ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols; | |
563 | ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); | |
564 | } | |
225c7b1f | 565 | |
fa417f7b | 566 | err = mlx4_cmd(dev->dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT, |
f9baff50 | 567 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); |
225c7b1f RD |
568 | |
569 | mlx4_free_cmd_mailbox(dev->dev, mailbox); | |
570 | return err; | |
571 | } | |
572 | ||
573 | static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, | |
574 | struct ib_port_modify *props) | |
575 | { | |
576 | struct ib_port_attr attr; | |
577 | u32 cap_mask; | |
578 | int err; | |
579 | ||
580 | mutex_lock(&to_mdev(ibdev)->cap_mask_mutex); | |
581 | ||
582 | err = mlx4_ib_query_port(ibdev, port, &attr); | |
583 | if (err) | |
584 | goto out; | |
585 | ||
586 | cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & | |
587 | ~props->clr_port_cap_mask; | |
588 | ||
589 | err = mlx4_SET_PORT(to_mdev(ibdev), port, | |
590 | !!(mask & IB_PORT_RESET_QKEY_CNTR), | |
591 | cap_mask); | |
592 | ||
593 | out: | |
594 | mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex); | |
595 | return err; | |
596 | } | |
597 | ||
598 | static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev, | |
599 | struct ib_udata *udata) | |
600 | { | |
601 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
602 | struct mlx4_ib_ucontext *context; | |
08ff3235 | 603 | struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3; |
225c7b1f RD |
604 | struct mlx4_ib_alloc_ucontext_resp resp; |
605 | int err; | |
606 | ||
3b4a8cd5 JM |
607 | if (!dev->ib_active) |
608 | return ERR_PTR(-EAGAIN); | |
609 | ||
08ff3235 OG |
610 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) { |
611 | resp_v3.qp_tab_size = dev->dev->caps.num_qps; | |
612 | resp_v3.bf_reg_size = dev->dev->caps.bf_reg_size; | |
613 | resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
614 | } else { | |
615 | resp.dev_caps = dev->dev->caps.userspace_caps; | |
616 | resp.qp_tab_size = dev->dev->caps.num_qps; | |
617 | resp.bf_reg_size = dev->dev->caps.bf_reg_size; | |
618 | resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
619 | resp.cqe_size = dev->dev->caps.cqe_size; | |
620 | } | |
225c7b1f RD |
621 | |
622 | context = kmalloc(sizeof *context, GFP_KERNEL); | |
623 | if (!context) | |
624 | return ERR_PTR(-ENOMEM); | |
625 | ||
626 | err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar); | |
627 | if (err) { | |
628 | kfree(context); | |
629 | return ERR_PTR(err); | |
630 | } | |
631 | ||
632 | INIT_LIST_HEAD(&context->db_page_list); | |
633 | mutex_init(&context->db_page_mutex); | |
634 | ||
08ff3235 OG |
635 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) |
636 | err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3)); | |
637 | else | |
638 | err = ib_copy_to_udata(udata, &resp, sizeof(resp)); | |
639 | ||
225c7b1f RD |
640 | if (err) { |
641 | mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar); | |
642 | kfree(context); | |
643 | return ERR_PTR(-EFAULT); | |
644 | } | |
645 | ||
646 | return &context->ibucontext; | |
647 | } | |
648 | ||
649 | static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
650 | { | |
651 | struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); | |
652 | ||
653 | mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar); | |
654 | kfree(context); | |
655 | ||
656 | return 0; | |
657 | } | |
658 | ||
659 | static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) | |
660 | { | |
661 | struct mlx4_ib_dev *dev = to_mdev(context->device); | |
662 | ||
663 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
664 | return -EINVAL; | |
665 | ||
666 | if (vma->vm_pgoff == 0) { | |
667 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
668 | ||
669 | if (io_remap_pfn_range(vma, vma->vm_start, | |
670 | to_mucontext(context)->uar.pfn, | |
671 | PAGE_SIZE, vma->vm_page_prot)) | |
672 | return -EAGAIN; | |
673 | } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) { | |
e1d60ec6 | 674 | vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); |
225c7b1f RD |
675 | |
676 | if (io_remap_pfn_range(vma, vma->vm_start, | |
677 | to_mucontext(context)->uar.pfn + | |
678 | dev->dev->caps.num_uars, | |
679 | PAGE_SIZE, vma->vm_page_prot)) | |
680 | return -EAGAIN; | |
681 | } else | |
682 | return -EINVAL; | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, | |
688 | struct ib_ucontext *context, | |
689 | struct ib_udata *udata) | |
690 | { | |
691 | struct mlx4_ib_pd *pd; | |
692 | int err; | |
693 | ||
694 | pd = kmalloc(sizeof *pd, GFP_KERNEL); | |
695 | if (!pd) | |
696 | return ERR_PTR(-ENOMEM); | |
697 | ||
698 | err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn); | |
699 | if (err) { | |
700 | kfree(pd); | |
701 | return ERR_PTR(err); | |
702 | } | |
703 | ||
704 | if (context) | |
705 | if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) { | |
706 | mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); | |
707 | kfree(pd); | |
708 | return ERR_PTR(-EFAULT); | |
709 | } | |
710 | ||
711 | return &pd->ibpd; | |
712 | } | |
713 | ||
714 | static int mlx4_ib_dealloc_pd(struct ib_pd *pd) | |
715 | { | |
716 | mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn); | |
717 | kfree(pd); | |
718 | ||
719 | return 0; | |
720 | } | |
721 | ||
012a8ff5 SH |
722 | static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev, |
723 | struct ib_ucontext *context, | |
724 | struct ib_udata *udata) | |
725 | { | |
726 | struct mlx4_ib_xrcd *xrcd; | |
727 | int err; | |
728 | ||
729 | if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)) | |
730 | return ERR_PTR(-ENOSYS); | |
731 | ||
732 | xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL); | |
733 | if (!xrcd) | |
734 | return ERR_PTR(-ENOMEM); | |
735 | ||
736 | err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn); | |
737 | if (err) | |
738 | goto err1; | |
739 | ||
740 | xrcd->pd = ib_alloc_pd(ibdev); | |
741 | if (IS_ERR(xrcd->pd)) { | |
742 | err = PTR_ERR(xrcd->pd); | |
743 | goto err2; | |
744 | } | |
745 | ||
746 | xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, 1, 0); | |
747 | if (IS_ERR(xrcd->cq)) { | |
748 | err = PTR_ERR(xrcd->cq); | |
749 | goto err3; | |
750 | } | |
751 | ||
752 | return &xrcd->ibxrcd; | |
753 | ||
754 | err3: | |
755 | ib_dealloc_pd(xrcd->pd); | |
756 | err2: | |
757 | mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn); | |
758 | err1: | |
759 | kfree(xrcd); | |
760 | return ERR_PTR(err); | |
761 | } | |
762 | ||
763 | static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd) | |
764 | { | |
765 | ib_destroy_cq(to_mxrcd(xrcd)->cq); | |
766 | ib_dealloc_pd(to_mxrcd(xrcd)->pd); | |
767 | mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn); | |
768 | kfree(xrcd); | |
769 | ||
770 | return 0; | |
771 | } | |
772 | ||
fa417f7b EC |
773 | static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) |
774 | { | |
775 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
776 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
777 | struct mlx4_ib_gid_entry *ge; | |
778 | ||
779 | ge = kzalloc(sizeof *ge, GFP_KERNEL); | |
780 | if (!ge) | |
781 | return -ENOMEM; | |
782 | ||
783 | ge->gid = *gid; | |
784 | if (mlx4_ib_add_mc(mdev, mqp, gid)) { | |
785 | ge->port = mqp->port; | |
786 | ge->added = 1; | |
787 | } | |
788 | ||
789 | mutex_lock(&mqp->mutex); | |
790 | list_add_tail(&ge->list, &mqp->gid_list); | |
791 | mutex_unlock(&mqp->mutex); | |
792 | ||
793 | return 0; | |
794 | } | |
795 | ||
796 | int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
797 | union ib_gid *gid) | |
798 | { | |
fa417f7b EC |
799 | struct net_device *ndev; |
800 | int ret = 0; | |
801 | ||
802 | if (!mqp->port) | |
803 | return 0; | |
804 | ||
805 | spin_lock(&mdev->iboe.lock); | |
806 | ndev = mdev->iboe.netdevs[mqp->port - 1]; | |
807 | if (ndev) | |
808 | dev_hold(ndev); | |
809 | spin_unlock(&mdev->iboe.lock); | |
810 | ||
811 | if (ndev) { | |
fa417f7b | 812 | ret = 1; |
fa417f7b EC |
813 | dev_put(ndev); |
814 | } | |
815 | ||
816 | return ret; | |
817 | } | |
818 | ||
0ff1fb65 HHZ |
819 | struct mlx4_ib_steering { |
820 | struct list_head list; | |
821 | u64 reg_id; | |
822 | union ib_gid gid; | |
823 | }; | |
824 | ||
f77c0162 | 825 | static int parse_flow_attr(struct mlx4_dev *dev, |
a37a1a42 | 826 | u32 qp_num, |
f77c0162 HHZ |
827 | union ib_flow_spec *ib_spec, |
828 | struct _rule_hw *mlx4_spec) | |
829 | { | |
830 | enum mlx4_net_trans_rule_id type; | |
831 | ||
832 | switch (ib_spec->type) { | |
833 | case IB_FLOW_SPEC_ETH: | |
834 | type = MLX4_NET_TRANS_RULE_ID_ETH; | |
835 | memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac, | |
836 | ETH_ALEN); | |
837 | memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac, | |
838 | ETH_ALEN); | |
839 | mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag; | |
840 | mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag; | |
841 | break; | |
a37a1a42 MB |
842 | case IB_FLOW_SPEC_IB: |
843 | type = MLX4_NET_TRANS_RULE_ID_IB; | |
844 | mlx4_spec->ib.l3_qpn = | |
845 | cpu_to_be32(qp_num); | |
846 | mlx4_spec->ib.qpn_mask = | |
847 | cpu_to_be32(MLX4_IB_FLOW_QPN_MASK); | |
848 | break; | |
849 | ||
f77c0162 HHZ |
850 | |
851 | case IB_FLOW_SPEC_IPV4: | |
852 | type = MLX4_NET_TRANS_RULE_ID_IPV4; | |
853 | mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip; | |
854 | mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip; | |
855 | mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip; | |
856 | mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip; | |
857 | break; | |
858 | ||
859 | case IB_FLOW_SPEC_TCP: | |
860 | case IB_FLOW_SPEC_UDP: | |
861 | type = ib_spec->type == IB_FLOW_SPEC_TCP ? | |
862 | MLX4_NET_TRANS_RULE_ID_TCP : | |
863 | MLX4_NET_TRANS_RULE_ID_UDP; | |
864 | mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port; | |
865 | mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port; | |
866 | mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port; | |
867 | mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port; | |
868 | break; | |
869 | ||
870 | default: | |
871 | return -EINVAL; | |
872 | } | |
873 | if (mlx4_map_sw_to_hw_steering_id(dev, type) < 0 || | |
874 | mlx4_hw_rule_sz(dev, type) < 0) | |
875 | return -EINVAL; | |
876 | mlx4_spec->id = cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev, type)); | |
877 | mlx4_spec->size = mlx4_hw_rule_sz(dev, type) >> 2; | |
878 | return mlx4_hw_rule_sz(dev, type); | |
879 | } | |
880 | ||
a37a1a42 MB |
881 | struct default_rules { |
882 | __u32 mandatory_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
883 | __u32 mandatory_not_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
884 | __u32 rules_create_list[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
885 | __u8 link_layer; | |
886 | }; | |
887 | static const struct default_rules default_table[] = { | |
888 | { | |
889 | .mandatory_fields = {IB_FLOW_SPEC_IPV4}, | |
890 | .mandatory_not_fields = {IB_FLOW_SPEC_ETH}, | |
891 | .rules_create_list = {IB_FLOW_SPEC_IB}, | |
892 | .link_layer = IB_LINK_LAYER_INFINIBAND | |
893 | } | |
894 | }; | |
895 | ||
896 | static int __mlx4_ib_default_rules_match(struct ib_qp *qp, | |
897 | struct ib_flow_attr *flow_attr) | |
898 | { | |
899 | int i, j, k; | |
900 | void *ib_flow; | |
901 | const struct default_rules *pdefault_rules = default_table; | |
902 | u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port); | |
903 | ||
904 | for (i = 0; i < sizeof(default_table)/sizeof(default_table[0]); i++, | |
905 | pdefault_rules++) { | |
906 | __u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
907 | memset(&field_types, 0, sizeof(field_types)); | |
908 | ||
909 | if (link_layer != pdefault_rules->link_layer) | |
910 | continue; | |
911 | ||
912 | ib_flow = flow_attr + 1; | |
913 | /* we assume the specs are sorted */ | |
914 | for (j = 0, k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS && | |
915 | j < flow_attr->num_of_specs; k++) { | |
916 | union ib_flow_spec *current_flow = | |
917 | (union ib_flow_spec *)ib_flow; | |
918 | ||
919 | /* same layer but different type */ | |
920 | if (((current_flow->type & IB_FLOW_SPEC_LAYER_MASK) == | |
921 | (pdefault_rules->mandatory_fields[k] & | |
922 | IB_FLOW_SPEC_LAYER_MASK)) && | |
923 | (current_flow->type != | |
924 | pdefault_rules->mandatory_fields[k])) | |
925 | goto out; | |
926 | ||
927 | /* same layer, try match next one */ | |
928 | if (current_flow->type == | |
929 | pdefault_rules->mandatory_fields[k]) { | |
930 | j++; | |
931 | ib_flow += | |
932 | ((union ib_flow_spec *)ib_flow)->size; | |
933 | } | |
934 | } | |
935 | ||
936 | ib_flow = flow_attr + 1; | |
937 | for (j = 0; j < flow_attr->num_of_specs; | |
938 | j++, ib_flow += ((union ib_flow_spec *)ib_flow)->size) | |
939 | for (k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS; k++) | |
940 | /* same layer and same type */ | |
941 | if (((union ib_flow_spec *)ib_flow)->type == | |
942 | pdefault_rules->mandatory_not_fields[k]) | |
943 | goto out; | |
944 | ||
945 | return i; | |
946 | } | |
947 | out: | |
948 | return -1; | |
949 | } | |
950 | ||
951 | static int __mlx4_ib_create_default_rules( | |
952 | struct mlx4_ib_dev *mdev, | |
953 | struct ib_qp *qp, | |
954 | const struct default_rules *pdefault_rules, | |
955 | struct _rule_hw *mlx4_spec) { | |
956 | int size = 0; | |
957 | int i; | |
958 | ||
959 | for (i = 0; i < sizeof(pdefault_rules->rules_create_list)/ | |
960 | sizeof(pdefault_rules->rules_create_list[0]); i++) { | |
961 | int ret; | |
962 | union ib_flow_spec ib_spec; | |
963 | switch (pdefault_rules->rules_create_list[i]) { | |
964 | case 0: | |
965 | /* no rule */ | |
966 | continue; | |
967 | case IB_FLOW_SPEC_IB: | |
968 | ib_spec.type = IB_FLOW_SPEC_IB; | |
969 | ib_spec.size = sizeof(struct ib_flow_spec_ib); | |
970 | ||
971 | break; | |
972 | default: | |
973 | /* invalid rule */ | |
974 | return -EINVAL; | |
975 | } | |
976 | /* We must put empty rule, qpn is being ignored */ | |
977 | ret = parse_flow_attr(mdev->dev, 0, &ib_spec, | |
978 | mlx4_spec); | |
979 | if (ret < 0) { | |
980 | pr_info("invalid parsing\n"); | |
981 | return -EINVAL; | |
982 | } | |
983 | ||
984 | mlx4_spec = (void *)mlx4_spec + ret; | |
985 | size += ret; | |
986 | } | |
987 | return size; | |
988 | } | |
989 | ||
f77c0162 HHZ |
990 | static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
991 | int domain, | |
992 | enum mlx4_net_trans_promisc_mode flow_type, | |
993 | u64 *reg_id) | |
994 | { | |
995 | int ret, i; | |
996 | int size = 0; | |
997 | void *ib_flow; | |
998 | struct mlx4_ib_dev *mdev = to_mdev(qp->device); | |
999 | struct mlx4_cmd_mailbox *mailbox; | |
1000 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; | |
a37a1a42 | 1001 | int default_flow; |
f77c0162 HHZ |
1002 | |
1003 | static const u16 __mlx4_domain[] = { | |
1004 | [IB_FLOW_DOMAIN_USER] = MLX4_DOMAIN_UVERBS, | |
1005 | [IB_FLOW_DOMAIN_ETHTOOL] = MLX4_DOMAIN_ETHTOOL, | |
1006 | [IB_FLOW_DOMAIN_RFS] = MLX4_DOMAIN_RFS, | |
1007 | [IB_FLOW_DOMAIN_NIC] = MLX4_DOMAIN_NIC, | |
1008 | }; | |
1009 | ||
1010 | if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) { | |
1011 | pr_err("Invalid priority value %d\n", flow_attr->priority); | |
1012 | return -EINVAL; | |
1013 | } | |
1014 | ||
1015 | if (domain >= IB_FLOW_DOMAIN_NUM) { | |
1016 | pr_err("Invalid domain value %d\n", domain); | |
1017 | return -EINVAL; | |
1018 | } | |
1019 | ||
1020 | if (mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0) | |
1021 | return -EINVAL; | |
1022 | ||
1023 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
1024 | if (IS_ERR(mailbox)) | |
1025 | return PTR_ERR(mailbox); | |
f77c0162 HHZ |
1026 | ctrl = mailbox->buf; |
1027 | ||
1028 | ctrl->prio = cpu_to_be16(__mlx4_domain[domain] | | |
1029 | flow_attr->priority); | |
1030 | ctrl->type = mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type); | |
1031 | ctrl->port = flow_attr->port; | |
1032 | ctrl->qpn = cpu_to_be32(qp->qp_num); | |
1033 | ||
1034 | ib_flow = flow_attr + 1; | |
1035 | size += sizeof(struct mlx4_net_trans_rule_hw_ctrl); | |
a37a1a42 MB |
1036 | /* Add default flows */ |
1037 | default_flow = __mlx4_ib_default_rules_match(qp, flow_attr); | |
1038 | if (default_flow >= 0) { | |
1039 | ret = __mlx4_ib_create_default_rules( | |
1040 | mdev, qp, default_table + default_flow, | |
1041 | mailbox->buf + size); | |
1042 | if (ret < 0) { | |
1043 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1044 | return -EINVAL; | |
1045 | } | |
1046 | size += ret; | |
1047 | } | |
f77c0162 | 1048 | for (i = 0; i < flow_attr->num_of_specs; i++) { |
a37a1a42 MB |
1049 | ret = parse_flow_attr(mdev->dev, qp->qp_num, ib_flow, |
1050 | mailbox->buf + size); | |
f77c0162 HHZ |
1051 | if (ret < 0) { |
1052 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1053 | return -EINVAL; | |
1054 | } | |
1055 | ib_flow += ((union ib_flow_spec *) ib_flow)->size; | |
1056 | size += ret; | |
1057 | } | |
1058 | ||
1059 | ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0, | |
1060 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
1061 | MLX4_CMD_NATIVE); | |
1062 | if (ret == -ENOMEM) | |
1063 | pr_err("mcg table is full. Fail to register network rule.\n"); | |
1064 | else if (ret == -ENXIO) | |
1065 | pr_err("Device managed flow steering is disabled. Fail to register network rule.\n"); | |
1066 | else if (ret) | |
1067 | pr_err("Invalid argumant. Fail to register network rule.\n"); | |
1068 | ||
1069 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1070 | return ret; | |
1071 | } | |
1072 | ||
1073 | static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id) | |
1074 | { | |
1075 | int err; | |
1076 | err = mlx4_cmd(dev, reg_id, 0, 0, | |
1077 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, | |
1078 | MLX4_CMD_NATIVE); | |
1079 | if (err) | |
1080 | pr_err("Fail to detach network rule. registration id = 0x%llx\n", | |
1081 | reg_id); | |
1082 | return err; | |
1083 | } | |
1084 | ||
1085 | static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, | |
1086 | struct ib_flow_attr *flow_attr, | |
1087 | int domain) | |
1088 | { | |
1089 | int err = 0, i = 0; | |
1090 | struct mlx4_ib_flow *mflow; | |
1091 | enum mlx4_net_trans_promisc_mode type[2]; | |
1092 | ||
1093 | memset(type, 0, sizeof(type)); | |
1094 | ||
1095 | mflow = kzalloc(sizeof(*mflow), GFP_KERNEL); | |
1096 | if (!mflow) { | |
1097 | err = -ENOMEM; | |
1098 | goto err_free; | |
1099 | } | |
1100 | ||
1101 | switch (flow_attr->type) { | |
1102 | case IB_FLOW_ATTR_NORMAL: | |
1103 | type[0] = MLX4_FS_REGULAR; | |
1104 | break; | |
1105 | ||
1106 | case IB_FLOW_ATTR_ALL_DEFAULT: | |
1107 | type[0] = MLX4_FS_ALL_DEFAULT; | |
1108 | break; | |
1109 | ||
1110 | case IB_FLOW_ATTR_MC_DEFAULT: | |
1111 | type[0] = MLX4_FS_MC_DEFAULT; | |
1112 | break; | |
1113 | ||
1114 | case IB_FLOW_ATTR_SNIFFER: | |
1115 | type[0] = MLX4_FS_UC_SNIFFER; | |
1116 | type[1] = MLX4_FS_MC_SNIFFER; | |
1117 | break; | |
1118 | ||
1119 | default: | |
1120 | err = -EINVAL; | |
1121 | goto err_free; | |
1122 | } | |
1123 | ||
1124 | while (i < ARRAY_SIZE(type) && type[i]) { | |
1125 | err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i], | |
1126 | &mflow->reg_id[i]); | |
1127 | if (err) | |
1128 | goto err_free; | |
1129 | i++; | |
1130 | } | |
1131 | ||
1132 | return &mflow->ibflow; | |
1133 | ||
1134 | err_free: | |
1135 | kfree(mflow); | |
1136 | return ERR_PTR(err); | |
1137 | } | |
1138 | ||
1139 | static int mlx4_ib_destroy_flow(struct ib_flow *flow_id) | |
1140 | { | |
1141 | int err, ret = 0; | |
1142 | int i = 0; | |
1143 | struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device); | |
1144 | struct mlx4_ib_flow *mflow = to_mflow(flow_id); | |
1145 | ||
1146 | while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i]) { | |
1147 | err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i]); | |
1148 | if (err) | |
1149 | ret = err; | |
1150 | i++; | |
1151 | } | |
1152 | ||
1153 | kfree(mflow); | |
1154 | return ret; | |
1155 | } | |
1156 | ||
225c7b1f RD |
1157 | static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
1158 | { | |
fa417f7b EC |
1159 | int err; |
1160 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
1161 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
0ff1fb65 HHZ |
1162 | u64 reg_id; |
1163 | struct mlx4_ib_steering *ib_steering = NULL; | |
d487ee77 MS |
1164 | enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ? |
1165 | MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6; | |
0ff1fb65 HHZ |
1166 | |
1167 | if (mdev->dev->caps.steering_mode == | |
1168 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1169 | ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL); | |
1170 | if (!ib_steering) | |
1171 | return -ENOMEM; | |
1172 | } | |
fa417f7b | 1173 | |
0ff1fb65 HHZ |
1174 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port, |
1175 | !!(mqp->flags & | |
1176 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), | |
d487ee77 | 1177 | prot, ®_id); |
fa417f7b | 1178 | if (err) |
0ff1fb65 | 1179 | goto err_malloc; |
fa417f7b EC |
1180 | |
1181 | err = add_gid_entry(ibqp, gid); | |
1182 | if (err) | |
1183 | goto err_add; | |
1184 | ||
0ff1fb65 HHZ |
1185 | if (ib_steering) { |
1186 | memcpy(ib_steering->gid.raw, gid->raw, 16); | |
1187 | ib_steering->reg_id = reg_id; | |
1188 | mutex_lock(&mqp->mutex); | |
1189 | list_add(&ib_steering->list, &mqp->steering_rules); | |
1190 | mutex_unlock(&mqp->mutex); | |
1191 | } | |
fa417f7b EC |
1192 | return 0; |
1193 | ||
1194 | err_add: | |
0ff1fb65 | 1195 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
d487ee77 | 1196 | prot, reg_id); |
0ff1fb65 HHZ |
1197 | err_malloc: |
1198 | kfree(ib_steering); | |
1199 | ||
fa417f7b EC |
1200 | return err; |
1201 | } | |
1202 | ||
1203 | static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) | |
1204 | { | |
1205 | struct mlx4_ib_gid_entry *ge; | |
1206 | struct mlx4_ib_gid_entry *tmp; | |
1207 | struct mlx4_ib_gid_entry *ret = NULL; | |
1208 | ||
1209 | list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { | |
1210 | if (!memcmp(raw, ge->gid.raw, 16)) { | |
1211 | ret = ge; | |
1212 | break; | |
1213 | } | |
1214 | } | |
1215 | ||
1216 | return ret; | |
225c7b1f RD |
1217 | } |
1218 | ||
1219 | static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
1220 | { | |
fa417f7b EC |
1221 | int err; |
1222 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
1223 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
fa417f7b EC |
1224 | struct net_device *ndev; |
1225 | struct mlx4_ib_gid_entry *ge; | |
0ff1fb65 | 1226 | u64 reg_id = 0; |
d487ee77 MS |
1227 | enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ? |
1228 | MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6; | |
0ff1fb65 HHZ |
1229 | |
1230 | if (mdev->dev->caps.steering_mode == | |
1231 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1232 | struct mlx4_ib_steering *ib_steering; | |
1233 | ||
1234 | mutex_lock(&mqp->mutex); | |
1235 | list_for_each_entry(ib_steering, &mqp->steering_rules, list) { | |
1236 | if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) { | |
1237 | list_del(&ib_steering->list); | |
1238 | break; | |
1239 | } | |
1240 | } | |
1241 | mutex_unlock(&mqp->mutex); | |
1242 | if (&ib_steering->list == &mqp->steering_rules) { | |
1243 | pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n"); | |
1244 | return -EINVAL; | |
1245 | } | |
1246 | reg_id = ib_steering->reg_id; | |
1247 | kfree(ib_steering); | |
1248 | } | |
fa417f7b | 1249 | |
0ff1fb65 | 1250 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
d487ee77 | 1251 | prot, reg_id); |
fa417f7b EC |
1252 | if (err) |
1253 | return err; | |
1254 | ||
1255 | mutex_lock(&mqp->mutex); | |
1256 | ge = find_gid_entry(mqp, gid->raw); | |
1257 | if (ge) { | |
1258 | spin_lock(&mdev->iboe.lock); | |
1259 | ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; | |
1260 | if (ndev) | |
1261 | dev_hold(ndev); | |
1262 | spin_unlock(&mdev->iboe.lock); | |
d487ee77 | 1263 | if (ndev) |
fa417f7b | 1264 | dev_put(ndev); |
fa417f7b EC |
1265 | list_del(&ge->list); |
1266 | kfree(ge); | |
1267 | } else | |
987c8f8f | 1268 | pr_warn("could not find mgid entry\n"); |
fa417f7b EC |
1269 | |
1270 | mutex_unlock(&mqp->mutex); | |
1271 | ||
1272 | return 0; | |
225c7b1f RD |
1273 | } |
1274 | ||
1275 | static int init_node_data(struct mlx4_ib_dev *dev) | |
1276 | { | |
1277 | struct ib_smp *in_mad = NULL; | |
1278 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 1279 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
1280 | int err = -ENOMEM; |
1281 | ||
1282 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
1283 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
1284 | if (!in_mad || !out_mad) | |
1285 | goto out; | |
1286 | ||
1287 | init_query_mad(in_mad); | |
1288 | in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; | |
0a9a0188 JM |
1289 | if (mlx4_is_master(dev->dev)) |
1290 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
225c7b1f | 1291 | |
0a9a0188 | 1292 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
1293 | if (err) |
1294 | goto out; | |
1295 | ||
1296 | memcpy(dev->ib_dev.node_desc, out_mad->data, 64); | |
1297 | ||
1298 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
1299 | ||
0a9a0188 | 1300 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
1301 | if (err) |
1302 | goto out; | |
1303 | ||
992e8e6e | 1304 | dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
225c7b1f RD |
1305 | memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8); |
1306 | ||
1307 | out: | |
1308 | kfree(in_mad); | |
1309 | kfree(out_mad); | |
1310 | return err; | |
1311 | } | |
1312 | ||
f4e91eb4 TJ |
1313 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, |
1314 | char *buf) | |
cd9281d8 | 1315 | { |
f4e91eb4 TJ |
1316 | struct mlx4_ib_dev *dev = |
1317 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1318 | return sprintf(buf, "MT%d\n", dev->dev->pdev->device); |
1319 | } | |
1320 | ||
f4e91eb4 TJ |
1321 | static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, |
1322 | char *buf) | |
cd9281d8 | 1323 | { |
f4e91eb4 TJ |
1324 | struct mlx4_ib_dev *dev = |
1325 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1326 | return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32), |
1327 | (int) (dev->dev->caps.fw_ver >> 16) & 0xffff, | |
1328 | (int) dev->dev->caps.fw_ver & 0xffff); | |
1329 | } | |
1330 | ||
f4e91eb4 TJ |
1331 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
1332 | char *buf) | |
cd9281d8 | 1333 | { |
f4e91eb4 TJ |
1334 | struct mlx4_ib_dev *dev = |
1335 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1336 | return sprintf(buf, "%x\n", dev->dev->rev_id); |
1337 | } | |
1338 | ||
f4e91eb4 TJ |
1339 | static ssize_t show_board(struct device *device, struct device_attribute *attr, |
1340 | char *buf) | |
cd9281d8 | 1341 | { |
f4e91eb4 TJ |
1342 | struct mlx4_ib_dev *dev = |
1343 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
1344 | return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, | |
1345 | dev->dev->board_id); | |
cd9281d8 JM |
1346 | } |
1347 | ||
f4e91eb4 TJ |
1348 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); |
1349 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
1350 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); | |
1351 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
cd9281d8 | 1352 | |
f4e91eb4 TJ |
1353 | static struct device_attribute *mlx4_class_attributes[] = { |
1354 | &dev_attr_hw_rev, | |
1355 | &dev_attr_fw_ver, | |
1356 | &dev_attr_hca_type, | |
1357 | &dev_attr_board_id | |
cd9281d8 JM |
1358 | }; |
1359 | ||
acc4fccf MS |
1360 | static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, |
1361 | struct net_device *dev) | |
1362 | { | |
1363 | memcpy(eui, dev->dev_addr, 3); | |
1364 | memcpy(eui + 5, dev->dev_addr + 3, 3); | |
1365 | if (vlan_id < 0x1000) { | |
1366 | eui[3] = vlan_id >> 8; | |
1367 | eui[4] = vlan_id & 0xff; | |
1368 | } else { | |
1369 | eui[3] = 0xff; | |
1370 | eui[4] = 0xfe; | |
1371 | } | |
1372 | eui[0] ^= 2; | |
1373 | } | |
1374 | ||
fa417f7b EC |
1375 | static void update_gids_task(struct work_struct *work) |
1376 | { | |
1377 | struct update_gid_work *gw = container_of(work, struct update_gid_work, work); | |
1378 | struct mlx4_cmd_mailbox *mailbox; | |
1379 | union ib_gid *gids; | |
1380 | int err; | |
1381 | struct mlx4_dev *dev = gw->dev->dev; | |
fa417f7b EC |
1382 | |
1383 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1384 | if (IS_ERR(mailbox)) { | |
987c8f8f | 1385 | pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox)); |
fa417f7b EC |
1386 | return; |
1387 | } | |
1388 | ||
1389 | gids = mailbox->buf; | |
1390 | memcpy(gids, gw->gids, sizeof gw->gids); | |
1391 | ||
1392 | err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
f9baff50 | 1393 | 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, |
992e8e6e | 1394 | MLX4_CMD_WRAPPED); |
fa417f7b | 1395 | if (err) |
987c8f8f | 1396 | pr_warn("set port command failed\n"); |
d487ee77 | 1397 | else |
00f5ce99 | 1398 | mlx4_ib_dispatch_event(gw->dev, gw->port, IB_EVENT_GID_CHANGE); |
fa417f7b EC |
1399 | |
1400 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1401 | kfree(gw); | |
1402 | } | |
1403 | ||
d487ee77 | 1404 | static void reset_gids_task(struct work_struct *work) |
fa417f7b | 1405 | { |
d487ee77 MS |
1406 | struct update_gid_work *gw = |
1407 | container_of(work, struct update_gid_work, work); | |
1408 | struct mlx4_cmd_mailbox *mailbox; | |
1409 | union ib_gid *gids; | |
1410 | int err; | |
d487ee77 | 1411 | struct mlx4_dev *dev = gw->dev->dev; |
fa417f7b | 1412 | |
d487ee77 MS |
1413 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1414 | if (IS_ERR(mailbox)) { | |
1415 | pr_warn("reset gid table failed\n"); | |
1416 | goto free; | |
1417 | } | |
fa417f7b | 1418 | |
d487ee77 MS |
1419 | gids = mailbox->buf; |
1420 | memcpy(gids, gw->gids, sizeof(gw->gids)); | |
1421 | ||
5071456f MS |
1422 | if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) == |
1423 | IB_LINK_LAYER_ETHERNET) { | |
1424 | err = mlx4_cmd(dev, mailbox->dma, | |
1425 | MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
1426 | 1, MLX4_CMD_SET_PORT, | |
1427 | MLX4_CMD_TIME_CLASS_B, | |
1428 | MLX4_CMD_WRAPPED); | |
1429 | if (err) | |
1430 | pr_warn(KERN_WARNING | |
1431 | "set port %d command failed\n", gw->port); | |
4c3eb3ca EC |
1432 | } |
1433 | ||
d487ee77 MS |
1434 | mlx4_free_cmd_mailbox(dev, mailbox); |
1435 | free: | |
1436 | kfree(gw); | |
1437 | } | |
4c3eb3ca | 1438 | |
d487ee77 | 1439 | static int update_gid_table(struct mlx4_ib_dev *dev, int port, |
acc4fccf MS |
1440 | union ib_gid *gid, int clear, |
1441 | int default_gid) | |
d487ee77 MS |
1442 | { |
1443 | struct update_gid_work *work; | |
1444 | int i; | |
1445 | int need_update = 0; | |
1446 | int free = -1; | |
1447 | int found = -1; | |
1448 | int max_gids; | |
1449 | ||
acc4fccf MS |
1450 | if (default_gid) { |
1451 | free = 0; | |
1452 | } else { | |
1453 | max_gids = dev->dev->caps.gid_table_len[port]; | |
1454 | for (i = 1; i < max_gids; ++i) { | |
1455 | if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, | |
d487ee77 | 1456 | sizeof(*gid))) |
acc4fccf MS |
1457 | found = i; |
1458 | ||
1459 | if (clear) { | |
1460 | if (found >= 0) { | |
1461 | need_update = 1; | |
1462 | dev->iboe.gid_table[port - 1][found] = | |
1463 | zgid; | |
1464 | break; | |
1465 | } | |
1466 | } else { | |
1467 | if (found >= 0) | |
1468 | break; | |
1469 | ||
1470 | if (free < 0 && | |
1471 | !memcmp(&dev->iboe.gid_table[port - 1][i], | |
1472 | &zgid, sizeof(*gid))) | |
1473 | free = i; | |
1474 | } | |
4c3eb3ca | 1475 | } |
fa417f7b | 1476 | } |
4c3eb3ca | 1477 | |
d487ee77 MS |
1478 | if (found == -1 && !clear && free >= 0) { |
1479 | dev->iboe.gid_table[port - 1][free] = *gid; | |
1480 | need_update = 1; | |
1481 | } | |
fa417f7b | 1482 | |
d487ee77 MS |
1483 | if (!need_update) |
1484 | return 0; | |
1485 | ||
1486 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
1487 | if (!work) | |
1488 | return -ENOMEM; | |
1489 | ||
1490 | memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof(work->gids)); | |
1491 | INIT_WORK(&work->work, update_gids_task); | |
1492 | work->port = port; | |
1493 | work->dev = dev; | |
1494 | queue_work(wq, &work->work); | |
fa417f7b EC |
1495 | |
1496 | return 0; | |
d487ee77 | 1497 | } |
4c3eb3ca | 1498 | |
acc4fccf | 1499 | static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid) |
d487ee77 | 1500 | { |
acc4fccf MS |
1501 | gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); |
1502 | mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev); | |
1503 | } | |
1504 | ||
d487ee77 | 1505 | |
5071456f | 1506 | static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port) |
d487ee77 MS |
1507 | { |
1508 | struct update_gid_work *work; | |
d487ee77 MS |
1509 | |
1510 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
1511 | if (!work) | |
1512 | return -ENOMEM; | |
5071456f MS |
1513 | |
1514 | memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids)); | |
d487ee77 MS |
1515 | memset(work->gids, 0, sizeof(work->gids)); |
1516 | INIT_WORK(&work->work, reset_gids_task); | |
1517 | work->dev = dev; | |
5071456f | 1518 | work->port = port; |
d487ee77 MS |
1519 | queue_work(wq, &work->work); |
1520 | return 0; | |
fa417f7b EC |
1521 | } |
1522 | ||
d487ee77 MS |
1523 | static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, |
1524 | struct mlx4_ib_dev *ibdev, union ib_gid *gid) | |
fa417f7b | 1525 | { |
d487ee77 MS |
1526 | struct mlx4_ib_iboe *iboe; |
1527 | int port = 0; | |
1528 | struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ? | |
1529 | rdma_vlan_dev_real_dev(event_netdev) : | |
1530 | event_netdev; | |
acc4fccf MS |
1531 | union ib_gid default_gid; |
1532 | ||
1533 | mlx4_make_default_gid(real_dev, &default_gid); | |
1534 | ||
1535 | if (!memcmp(gid, &default_gid, sizeof(*gid))) | |
1536 | return 0; | |
d487ee77 MS |
1537 | |
1538 | if (event != NETDEV_DOWN && event != NETDEV_UP) | |
1539 | return 0; | |
1540 | ||
1541 | if ((real_dev != event_netdev) && | |
1542 | (event == NETDEV_DOWN) && | |
1543 | rdma_link_local_addr((struct in6_addr *)gid)) | |
1544 | return 0; | |
1545 | ||
1546 | iboe = &ibdev->iboe; | |
1547 | spin_lock(&iboe->lock); | |
1548 | ||
82373701 | 1549 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) |
d487ee77 MS |
1550 | if ((netif_is_bond_master(real_dev) && |
1551 | (real_dev == iboe->masters[port - 1])) || | |
1552 | (!netif_is_bond_master(real_dev) && | |
1553 | (real_dev == iboe->netdevs[port - 1]))) | |
1554 | update_gid_table(ibdev, port, gid, | |
acc4fccf | 1555 | event == NETDEV_DOWN, 0); |
d487ee77 MS |
1556 | |
1557 | spin_unlock(&iboe->lock); | |
1558 | return 0; | |
fa417f7b | 1559 | |
fa417f7b EC |
1560 | } |
1561 | ||
d487ee77 MS |
1562 | static u8 mlx4_ib_get_dev_port(struct net_device *dev, |
1563 | struct mlx4_ib_dev *ibdev) | |
fa417f7b | 1564 | { |
d487ee77 MS |
1565 | u8 port = 0; |
1566 | struct mlx4_ib_iboe *iboe; | |
1567 | struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ? | |
1568 | rdma_vlan_dev_real_dev(dev) : dev; | |
1569 | ||
1570 | iboe = &ibdev->iboe; | |
d487ee77 | 1571 | |
82373701 | 1572 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) |
d487ee77 MS |
1573 | if ((netif_is_bond_master(real_dev) && |
1574 | (real_dev == iboe->masters[port - 1])) || | |
1575 | (!netif_is_bond_master(real_dev) && | |
1576 | (real_dev == iboe->netdevs[port - 1]))) | |
1577 | break; | |
1578 | ||
82373701 | 1579 | if ((port == 0) || (port > ibdev->dev->caps.num_ports)) |
d487ee77 MS |
1580 | return 0; |
1581 | else | |
1582 | return port; | |
fa417f7b EC |
1583 | } |
1584 | ||
d487ee77 MS |
1585 | static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event, |
1586 | void *ptr) | |
fa417f7b | 1587 | { |
d487ee77 MS |
1588 | struct mlx4_ib_dev *ibdev; |
1589 | struct in_ifaddr *ifa = ptr; | |
1590 | union ib_gid gid; | |
1591 | struct net_device *event_netdev = ifa->ifa_dev->dev; | |
1592 | ||
1593 | ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid); | |
1594 | ||
1595 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet); | |
1596 | ||
1597 | mlx4_ib_addr_event(event, event_netdev, ibdev, &gid); | |
1598 | return NOTIFY_DONE; | |
fa417f7b EC |
1599 | } |
1600 | ||
27cdef63 | 1601 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 | 1602 | static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event, |
fa417f7b EC |
1603 | void *ptr) |
1604 | { | |
fa417f7b | 1605 | struct mlx4_ib_dev *ibdev; |
d487ee77 MS |
1606 | struct inet6_ifaddr *ifa = ptr; |
1607 | union ib_gid *gid = (union ib_gid *)&ifa->addr; | |
1608 | struct net_device *event_netdev = ifa->idev->dev; | |
1609 | ||
1610 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet6); | |
1611 | ||
1612 | mlx4_ib_addr_event(event, event_netdev, ibdev, gid); | |
1613 | return NOTIFY_DONE; | |
1614 | } | |
1615 | #endif | |
1616 | ||
1617 | static void mlx4_ib_get_dev_addr(struct net_device *dev, | |
1618 | struct mlx4_ib_dev *ibdev, u8 port) | |
1619 | { | |
1620 | struct in_device *in_dev; | |
27cdef63 | 1621 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
1622 | struct inet6_dev *in6_dev; |
1623 | union ib_gid *pgid; | |
1624 | struct inet6_ifaddr *ifp; | |
1625 | #endif | |
1626 | union ib_gid gid; | |
1627 | ||
1628 | ||
82373701 | 1629 | if ((port == 0) || (port > ibdev->dev->caps.num_ports)) |
d487ee77 MS |
1630 | return; |
1631 | ||
1632 | /* IPv4 gids */ | |
1633 | in_dev = in_dev_get(dev); | |
1634 | if (in_dev) { | |
1635 | for_ifa(in_dev) { | |
1636 | /*ifa->ifa_address;*/ | |
1637 | ipv6_addr_set_v4mapped(ifa->ifa_address, | |
1638 | (struct in6_addr *)&gid); | |
acc4fccf | 1639 | update_gid_table(ibdev, port, &gid, 0, 0); |
d487ee77 MS |
1640 | } |
1641 | endfor_ifa(in_dev); | |
1642 | in_dev_put(in_dev); | |
1643 | } | |
27cdef63 | 1644 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
1645 | /* IPv6 gids */ |
1646 | in6_dev = in6_dev_get(dev); | |
1647 | if (in6_dev) { | |
1648 | read_lock_bh(&in6_dev->lock); | |
1649 | list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { | |
1650 | pgid = (union ib_gid *)&ifp->addr; | |
acc4fccf | 1651 | update_gid_table(ibdev, port, pgid, 0, 0); |
d487ee77 MS |
1652 | } |
1653 | read_unlock_bh(&in6_dev->lock); | |
1654 | in6_dev_put(in6_dev); | |
1655 | } | |
1656 | #endif | |
1657 | } | |
1658 | ||
acc4fccf MS |
1659 | static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev, |
1660 | struct net_device *dev, u8 port) | |
1661 | { | |
1662 | union ib_gid gid; | |
1663 | mlx4_make_default_gid(dev, &gid); | |
1664 | update_gid_table(ibdev, port, &gid, 0, 1); | |
1665 | } | |
1666 | ||
d487ee77 MS |
1667 | static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) |
1668 | { | |
1669 | struct net_device *dev; | |
ddf8bd34 | 1670 | struct mlx4_ib_iboe *iboe = &ibdev->iboe; |
5071456f | 1671 | int i; |
d487ee77 | 1672 | |
5071456f MS |
1673 | for (i = 1; i <= ibdev->num_ports; ++i) |
1674 | if (reset_gid_table(ibdev, i)) | |
1675 | return -1; | |
d487ee77 MS |
1676 | |
1677 | read_lock(&dev_base_lock); | |
ddf8bd34 | 1678 | spin_lock(&iboe->lock); |
d487ee77 MS |
1679 | |
1680 | for_each_netdev(&init_net, dev) { | |
1681 | u8 port = mlx4_ib_get_dev_port(dev, ibdev); | |
1682 | if (port) | |
1683 | mlx4_ib_get_dev_addr(dev, ibdev, port); | |
1684 | } | |
1685 | ||
ddf8bd34 | 1686 | spin_unlock(&iboe->lock); |
d487ee77 MS |
1687 | read_unlock(&dev_base_lock); |
1688 | ||
1689 | return 0; | |
1690 | } | |
1691 | ||
1692 | static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev) | |
1693 | { | |
fa417f7b EC |
1694 | struct mlx4_ib_iboe *iboe; |
1695 | int port; | |
1696 | ||
fa417f7b EC |
1697 | iboe = &ibdev->iboe; |
1698 | ||
1699 | spin_lock(&iboe->lock); | |
1700 | mlx4_foreach_ib_transport_port(port, ibdev->dev) { | |
ad4885d2 | 1701 | enum ib_port_state port_state = IB_PORT_NOP; |
d487ee77 | 1702 | struct net_device *old_master = iboe->masters[port - 1]; |
ad4885d2 | 1703 | struct net_device *curr_netdev; |
d487ee77 | 1704 | struct net_device *curr_master; |
ad4885d2 | 1705 | |
fa417f7b | 1706 | iboe->netdevs[port - 1] = |
0345584e | 1707 | mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); |
acc4fccf MS |
1708 | if (iboe->netdevs[port - 1]) |
1709 | mlx4_ib_set_default_gid(ibdev, | |
1710 | iboe->netdevs[port - 1], port); | |
ad4885d2 | 1711 | curr_netdev = iboe->netdevs[port - 1]; |
d487ee77 MS |
1712 | |
1713 | if (iboe->netdevs[port - 1] && | |
1714 | netif_is_bond_slave(iboe->netdevs[port - 1])) { | |
d487ee77 MS |
1715 | iboe->masters[port - 1] = netdev_master_upper_dev_get( |
1716 | iboe->netdevs[port - 1]); | |
ad4885d2 MS |
1717 | } else { |
1718 | iboe->masters[port - 1] = NULL; | |
fa417f7b | 1719 | } |
d487ee77 | 1720 | curr_master = iboe->masters[port - 1]; |
fa417f7b | 1721 | |
ad4885d2 MS |
1722 | if (curr_netdev) { |
1723 | port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ? | |
1724 | IB_PORT_ACTIVE : IB_PORT_DOWN; | |
1725 | mlx4_ib_set_default_gid(ibdev, curr_netdev, port); | |
1726 | } else { | |
1727 | reset_gid_table(ibdev, port); | |
1728 | } | |
1729 | /* if using bonding/team and a slave port is down, we don't the bond IP | |
1730 | * based gids in the table since flows that select port by gid may get | |
1731 | * the down port. | |
1732 | */ | |
1733 | if (curr_master && (port_state == IB_PORT_DOWN)) { | |
1734 | reset_gid_table(ibdev, port); | |
1735 | mlx4_ib_set_default_gid(ibdev, curr_netdev, port); | |
1736 | } | |
d487ee77 | 1737 | /* if bonding is used it is possible that we add it to masters |
ad4885d2 MS |
1738 | * only after IP address is assigned to the net bonding |
1739 | * interface. | |
1740 | */ | |
1741 | if (curr_master && (old_master != curr_master)) { | |
1742 | reset_gid_table(ibdev, port); | |
1743 | mlx4_ib_set_default_gid(ibdev, curr_netdev, port); | |
d487ee77 | 1744 | mlx4_ib_get_dev_addr(curr_master, ibdev, port); |
ad4885d2 MS |
1745 | } |
1746 | ||
1747 | if (!curr_master && (old_master != curr_master)) { | |
1748 | reset_gid_table(ibdev, port); | |
1749 | mlx4_ib_set_default_gid(ibdev, curr_netdev, port); | |
1750 | mlx4_ib_get_dev_addr(curr_netdev, ibdev, port); | |
1751 | } | |
d487ee77 | 1752 | } |
fa417f7b EC |
1753 | |
1754 | spin_unlock(&iboe->lock); | |
d487ee77 MS |
1755 | } |
1756 | ||
1757 | static int mlx4_ib_netdev_event(struct notifier_block *this, | |
1758 | unsigned long event, void *ptr) | |
1759 | { | |
1760 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | |
1761 | struct mlx4_ib_dev *ibdev; | |
1762 | ||
1763 | if (!net_eq(dev_net(dev), &init_net)) | |
1764 | return NOTIFY_DONE; | |
1765 | ||
1766 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); | |
1767 | mlx4_ib_scan_netdevs(ibdev); | |
fa417f7b EC |
1768 | |
1769 | return NOTIFY_DONE; | |
1770 | } | |
1771 | ||
54679e14 JM |
1772 | static void init_pkeys(struct mlx4_ib_dev *ibdev) |
1773 | { | |
1774 | int port; | |
1775 | int slave; | |
1776 | int i; | |
1777 | ||
1778 | if (mlx4_is_master(ibdev->dev)) { | |
1779 | for (slave = 0; slave <= ibdev->dev->num_vfs; ++slave) { | |
1780 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { | |
1781 | for (i = 0; | |
1782 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
1783 | ++i) { | |
1784 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] = | |
1785 | /* master has the identity virt2phys pkey mapping */ | |
1786 | (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i : | |
1787 | ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1; | |
1788 | mlx4_sync_pkey_table(ibdev->dev, slave, port, i, | |
1789 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]); | |
1790 | } | |
1791 | } | |
1792 | } | |
1793 | /* initialize pkey cache */ | |
1794 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { | |
1795 | for (i = 0; | |
1796 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
1797 | ++i) | |
1798 | ibdev->pkeys.phys_pkey_cache[port-1][i] = | |
1799 | (i) ? 0 : 0xFFFF; | |
1800 | } | |
1801 | } | |
1802 | } | |
1803 | ||
e605b743 SP |
1804 | static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) |
1805 | { | |
1806 | char name[32]; | |
1807 | int eq_per_port = 0; | |
1808 | int added_eqs = 0; | |
1809 | int total_eqs = 0; | |
1810 | int i, j, eq; | |
1811 | ||
3aac6ff1 SP |
1812 | /* Legacy mode or comp_pool is not large enough */ |
1813 | if (dev->caps.comp_pool == 0 || | |
1814 | dev->caps.num_ports > dev->caps.comp_pool) | |
e605b743 SP |
1815 | return; |
1816 | ||
1817 | eq_per_port = rounddown_pow_of_two(dev->caps.comp_pool/ | |
1818 | dev->caps.num_ports); | |
1819 | ||
1820 | /* Init eq table */ | |
1821 | added_eqs = 0; | |
1822 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
1823 | added_eqs += eq_per_port; | |
1824 | ||
1825 | total_eqs = dev->caps.num_comp_vectors + added_eqs; | |
1826 | ||
1827 | ibdev->eq_table = kzalloc(total_eqs * sizeof(int), GFP_KERNEL); | |
1828 | if (!ibdev->eq_table) | |
1829 | return; | |
1830 | ||
1831 | ibdev->eq_added = added_eqs; | |
1832 | ||
1833 | eq = 0; | |
1834 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) { | |
1835 | for (j = 0; j < eq_per_port; j++) { | |
1836 | sprintf(name, "mlx4-ib-%d-%d@%s", | |
1837 | i, j, dev->pdev->bus->name); | |
1838 | /* Set IRQ for specific name (per ring) */ | |
d9236c3f AV |
1839 | if (mlx4_assign_eq(dev, name, NULL, |
1840 | &ibdev->eq_table[eq])) { | |
e605b743 SP |
1841 | /* Use legacy (same as mlx4_en driver) */ |
1842 | pr_warn("Can't allocate EQ %d; reverting to legacy\n", eq); | |
1843 | ibdev->eq_table[eq] = | |
1844 | (eq % dev->caps.num_comp_vectors); | |
1845 | } | |
1846 | eq++; | |
1847 | } | |
1848 | } | |
1849 | ||
1850 | /* Fill the reset of the vector with legacy EQ */ | |
1851 | for (i = 0, eq = added_eqs; i < dev->caps.num_comp_vectors; i++) | |
1852 | ibdev->eq_table[eq++] = i; | |
1853 | ||
1854 | /* Advertise the new number of EQs to clients */ | |
1855 | ibdev->ib_dev.num_comp_vectors = total_eqs; | |
1856 | } | |
1857 | ||
1858 | static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) | |
1859 | { | |
1860 | int i; | |
3aac6ff1 SP |
1861 | |
1862 | /* no additional eqs were added */ | |
1863 | if (!ibdev->eq_table) | |
1864 | return; | |
e605b743 SP |
1865 | |
1866 | /* Reset the advertised EQ number */ | |
1867 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; | |
1868 | ||
1869 | /* Free only the added eqs */ | |
1870 | for (i = 0; i < ibdev->eq_added; i++) { | |
1871 | /* Don't free legacy eqs if used */ | |
1872 | if (ibdev->eq_table[i] <= dev->caps.num_comp_vectors) | |
1873 | continue; | |
1874 | mlx4_release_eq(dev, ibdev->eq_table[i]); | |
1875 | } | |
1876 | ||
e605b743 | 1877 | kfree(ibdev->eq_table); |
e605b743 SP |
1878 | } |
1879 | ||
225c7b1f RD |
1880 | static void *mlx4_ib_add(struct mlx4_dev *dev) |
1881 | { | |
1882 | struct mlx4_ib_dev *ibdev; | |
22e7ef9c | 1883 | int num_ports = 0; |
035b1032 | 1884 | int i, j; |
fa417f7b EC |
1885 | int err; |
1886 | struct mlx4_ib_iboe *iboe; | |
4196670b | 1887 | int ib_num_ports = 0; |
225c7b1f | 1888 | |
987c8f8f | 1889 | pr_info_once("%s", mlx4_ib_version); |
68f3948d | 1890 | |
026149cb | 1891 | num_ports = 0; |
fa417f7b | 1892 | mlx4_foreach_ib_transport_port(i, dev) |
22e7ef9c RD |
1893 | num_ports++; |
1894 | ||
1895 | /* No point in registering a device with no ports... */ | |
1896 | if (num_ports == 0) | |
1897 | return NULL; | |
1898 | ||
225c7b1f RD |
1899 | ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev); |
1900 | if (!ibdev) { | |
1901 | dev_err(&dev->pdev->dev, "Device struct alloc failed\n"); | |
1902 | return NULL; | |
1903 | } | |
1904 | ||
fa417f7b EC |
1905 | iboe = &ibdev->iboe; |
1906 | ||
225c7b1f RD |
1907 | if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) |
1908 | goto err_dealloc; | |
1909 | ||
1910 | if (mlx4_uar_alloc(dev, &ibdev->priv_uar)) | |
1911 | goto err_pd; | |
1912 | ||
4979d18f RD |
1913 | ibdev->uar_map = ioremap((phys_addr_t) ibdev->priv_uar.pfn << PAGE_SHIFT, |
1914 | PAGE_SIZE); | |
225c7b1f RD |
1915 | if (!ibdev->uar_map) |
1916 | goto err_uar; | |
26c6bc7b | 1917 | MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); |
225c7b1f | 1918 | |
225c7b1f RD |
1919 | ibdev->dev = dev; |
1920 | ||
1921 | strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX); | |
1922 | ibdev->ib_dev.owner = THIS_MODULE; | |
1923 | ibdev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
95d04f07 | 1924 | ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey; |
22e7ef9c | 1925 | ibdev->num_ports = num_ports; |
7ff93f8b | 1926 | ibdev->ib_dev.phys_port_cnt = ibdev->num_ports; |
b8dd786f | 1927 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; |
225c7b1f RD |
1928 | ibdev->ib_dev.dma_device = &dev->pdev->dev; |
1929 | ||
08ff3235 OG |
1930 | if (dev->caps.userspace_caps) |
1931 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION; | |
1932 | else | |
1933 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION; | |
1934 | ||
225c7b1f RD |
1935 | ibdev->ib_dev.uverbs_cmd_mask = |
1936 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
1937 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
1938 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
1939 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
1940 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
1941 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
1942 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | | |
1943 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
1944 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
bbf8eed1 | 1945 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | |
225c7b1f RD |
1946 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | |
1947 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
1948 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
6a775e2b | 1949 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
225c7b1f RD |
1950 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | |
1951 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
1952 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
1953 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
1954 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
65541cb7 | 1955 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | |
18abd5ea | 1956 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | |
42849b26 SH |
1957 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | |
1958 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
225c7b1f RD |
1959 | |
1960 | ibdev->ib_dev.query_device = mlx4_ib_query_device; | |
1961 | ibdev->ib_dev.query_port = mlx4_ib_query_port; | |
fa417f7b | 1962 | ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; |
225c7b1f RD |
1963 | ibdev->ib_dev.query_gid = mlx4_ib_query_gid; |
1964 | ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; | |
1965 | ibdev->ib_dev.modify_device = mlx4_ib_modify_device; | |
1966 | ibdev->ib_dev.modify_port = mlx4_ib_modify_port; | |
1967 | ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext; | |
1968 | ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext; | |
1969 | ibdev->ib_dev.mmap = mlx4_ib_mmap; | |
1970 | ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd; | |
1971 | ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd; | |
1972 | ibdev->ib_dev.create_ah = mlx4_ib_create_ah; | |
1973 | ibdev->ib_dev.query_ah = mlx4_ib_query_ah; | |
1974 | ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; | |
1975 | ibdev->ib_dev.create_srq = mlx4_ib_create_srq; | |
1976 | ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; | |
65541cb7 | 1977 | ibdev->ib_dev.query_srq = mlx4_ib_query_srq; |
225c7b1f RD |
1978 | ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; |
1979 | ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; | |
1980 | ibdev->ib_dev.create_qp = mlx4_ib_create_qp; | |
1981 | ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp; | |
6a775e2b | 1982 | ibdev->ib_dev.query_qp = mlx4_ib_query_qp; |
225c7b1f RD |
1983 | ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp; |
1984 | ibdev->ib_dev.post_send = mlx4_ib_post_send; | |
1985 | ibdev->ib_dev.post_recv = mlx4_ib_post_recv; | |
1986 | ibdev->ib_dev.create_cq = mlx4_ib_create_cq; | |
3fdcb97f | 1987 | ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq; |
bbf8eed1 | 1988 | ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq; |
225c7b1f RD |
1989 | ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq; |
1990 | ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq; | |
1991 | ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; | |
1992 | ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; | |
1993 | ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; | |
1994 | ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; | |
95d04f07 RD |
1995 | ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; |
1996 | ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; | |
1997 | ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list; | |
225c7b1f RD |
1998 | ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; |
1999 | ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach; | |
2000 | ibdev->ib_dev.process_mad = mlx4_ib_process_mad; | |
2001 | ||
992e8e6e JM |
2002 | if (!mlx4_is_slave(ibdev->dev)) { |
2003 | ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc; | |
2004 | ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr; | |
2005 | ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; | |
2006 | ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; | |
2007 | } | |
8ad11fb6 | 2008 | |
b425388d SM |
2009 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || |
2010 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
2011 | ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw; | |
2012 | ibdev->ib_dev.bind_mw = mlx4_ib_bind_mw; | |
2013 | ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw; | |
2014 | ||
2015 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2016 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
2017 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
2018 | } | |
2019 | ||
012a8ff5 SH |
2020 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) { |
2021 | ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; | |
2022 | ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; | |
2023 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2024 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
2025 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
2026 | } | |
2027 | ||
f77c0162 | 2028 | if (check_flow_steering_support(dev)) { |
0a9b7d59 | 2029 | ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED; |
f77c0162 HHZ |
2030 | ibdev->ib_dev.create_flow = mlx4_ib_create_flow; |
2031 | ibdev->ib_dev.destroy_flow = mlx4_ib_destroy_flow; | |
2032 | ||
f21519b2 YD |
2033 | ibdev->ib_dev.uverbs_ex_cmd_mask |= |
2034 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
2035 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); | |
f77c0162 HHZ |
2036 | } |
2037 | ||
e605b743 SP |
2038 | mlx4_ib_alloc_eqs(dev, ibdev); |
2039 | ||
fa417f7b EC |
2040 | spin_lock_init(&iboe->lock); |
2041 | ||
225c7b1f RD |
2042 | if (init_node_data(ibdev)) |
2043 | goto err_map; | |
2044 | ||
cfcde11c OG |
2045 | for (i = 0; i < ibdev->num_ports; ++i) { |
2046 | if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) == | |
2047 | IB_LINK_LAYER_ETHERNET) { | |
2048 | err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]); | |
2049 | if (err) | |
2050 | ibdev->counters[i] = -1; | |
2051 | } else | |
2052 | ibdev->counters[i] = -1; | |
2053 | } | |
2054 | ||
4196670b MB |
2055 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) |
2056 | ib_num_ports++; | |
2057 | ||
225c7b1f RD |
2058 | spin_lock_init(&ibdev->sm_lock); |
2059 | mutex_init(&ibdev->cap_mask_mutex); | |
2060 | ||
4196670b MB |
2061 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED && |
2062 | ib_num_ports) { | |
c1c98501 MB |
2063 | ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; |
2064 | err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, | |
2065 | MLX4_IB_UC_STEER_QPN_ALIGN, | |
2066 | &ibdev->steer_qpn_base); | |
2067 | if (err) | |
2068 | goto err_counter; | |
2069 | ||
2070 | ibdev->ib_uc_qpns_bitmap = | |
2071 | kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) * | |
2072 | sizeof(long), | |
2073 | GFP_KERNEL); | |
2074 | if (!ibdev->ib_uc_qpns_bitmap) { | |
2075 | dev_err(&dev->pdev->dev, "bit map alloc failed\n"); | |
2076 | goto err_steer_qp_release; | |
2077 | } | |
2078 | ||
2079 | bitmap_zero(ibdev->ib_uc_qpns_bitmap, ibdev->steer_qpn_count); | |
2080 | ||
2081 | err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE( | |
2082 | dev, ibdev->steer_qpn_base, | |
2083 | ibdev->steer_qpn_base + | |
2084 | ibdev->steer_qpn_count - 1); | |
2085 | if (err) | |
2086 | goto err_steer_free_bitmap; | |
2087 | } | |
2088 | ||
9a6edb60 | 2089 | if (ib_register_device(&ibdev->ib_dev, NULL)) |
c1c98501 | 2090 | goto err_steer_free_bitmap; |
225c7b1f RD |
2091 | |
2092 | if (mlx4_ib_mad_init(ibdev)) | |
2093 | goto err_reg; | |
2094 | ||
fc06573d JM |
2095 | if (mlx4_ib_init_sriov(ibdev)) |
2096 | goto err_mad; | |
2097 | ||
d487ee77 MS |
2098 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) { |
2099 | if (!iboe->nb.notifier_call) { | |
2100 | iboe->nb.notifier_call = mlx4_ib_netdev_event; | |
2101 | err = register_netdevice_notifier(&iboe->nb); | |
2102 | if (err) { | |
2103 | iboe->nb.notifier_call = NULL; | |
2104 | goto err_notif; | |
2105 | } | |
2106 | } | |
2107 | if (!iboe->nb_inet.notifier_call) { | |
2108 | iboe->nb_inet.notifier_call = mlx4_ib_inet_event; | |
2109 | err = register_inetaddr_notifier(&iboe->nb_inet); | |
2110 | if (err) { | |
2111 | iboe->nb_inet.notifier_call = NULL; | |
2112 | goto err_notif; | |
2113 | } | |
2114 | } | |
27cdef63 | 2115 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2116 | if (!iboe->nb_inet6.notifier_call) { |
2117 | iboe->nb_inet6.notifier_call = mlx4_ib_inet6_event; | |
2118 | err = register_inet6addr_notifier(&iboe->nb_inet6); | |
2119 | if (err) { | |
2120 | iboe->nb_inet6.notifier_call = NULL; | |
2121 | goto err_notif; | |
2122 | } | |
2123 | } | |
2124 | #endif | |
ad4885d2 MS |
2125 | for (i = 1 ; i <= ibdev->num_ports ; ++i) |
2126 | reset_gid_table(ibdev, i); | |
4ce5a574 | 2127 | rtnl_lock(); |
d487ee77 | 2128 | mlx4_ib_scan_netdevs(ibdev); |
4ce5a574 | 2129 | rtnl_unlock(); |
d487ee77 | 2130 | mlx4_ib_init_gid_table(ibdev); |
fa417f7b EC |
2131 | } |
2132 | ||
035b1032 | 2133 | for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { |
f4e91eb4 | 2134 | if (device_create_file(&ibdev->ib_dev.dev, |
035b1032 | 2135 | mlx4_class_attributes[j])) |
fa417f7b | 2136 | goto err_notif; |
cd9281d8 JM |
2137 | } |
2138 | ||
3b4a8cd5 JM |
2139 | ibdev->ib_active = true; |
2140 | ||
54679e14 JM |
2141 | if (mlx4_is_mfunc(ibdev->dev)) |
2142 | init_pkeys(ibdev); | |
2143 | ||
3806d08c JM |
2144 | /* create paravirt contexts for any VFs which are active */ |
2145 | if (mlx4_is_master(ibdev->dev)) { | |
2146 | for (j = 0; j < MLX4_MFUNC_MAX; j++) { | |
2147 | if (j == mlx4_master_func_num(ibdev->dev)) | |
2148 | continue; | |
2149 | if (mlx4_is_slave_active(ibdev->dev, j)) | |
2150 | do_slave_init(ibdev, j, 1); | |
2151 | } | |
2152 | } | |
225c7b1f RD |
2153 | return ibdev; |
2154 | ||
fa417f7b | 2155 | err_notif: |
d487ee77 MS |
2156 | if (ibdev->iboe.nb.notifier_call) { |
2157 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
2158 | pr_warn("failure unregistering notifier\n"); | |
2159 | ibdev->iboe.nb.notifier_call = NULL; | |
2160 | } | |
2161 | if (ibdev->iboe.nb_inet.notifier_call) { | |
2162 | if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) | |
2163 | pr_warn("failure unregistering notifier\n"); | |
2164 | ibdev->iboe.nb_inet.notifier_call = NULL; | |
2165 | } | |
27cdef63 | 2166 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2167 | if (ibdev->iboe.nb_inet6.notifier_call) { |
2168 | if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) | |
2169 | pr_warn("failure unregistering notifier\n"); | |
2170 | ibdev->iboe.nb_inet6.notifier_call = NULL; | |
2171 | } | |
2172 | #endif | |
fa417f7b EC |
2173 | flush_workqueue(wq); |
2174 | ||
fc06573d JM |
2175 | mlx4_ib_close_sriov(ibdev); |
2176 | ||
2177 | err_mad: | |
2178 | mlx4_ib_mad_cleanup(ibdev); | |
2179 | ||
225c7b1f RD |
2180 | err_reg: |
2181 | ib_unregister_device(&ibdev->ib_dev); | |
2182 | ||
c1c98501 MB |
2183 | err_steer_free_bitmap: |
2184 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2185 | ||
2186 | err_steer_qp_release: | |
2187 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2188 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2189 | ibdev->steer_qpn_count); | |
cfcde11c OG |
2190 | err_counter: |
2191 | for (; i; --i) | |
4af3ce0d RD |
2192 | if (ibdev->counters[i - 1] != -1) |
2193 | mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]); | |
cfcde11c | 2194 | |
225c7b1f RD |
2195 | err_map: |
2196 | iounmap(ibdev->uar_map); | |
2197 | ||
2198 | err_uar: | |
2199 | mlx4_uar_free(dev, &ibdev->priv_uar); | |
2200 | ||
2201 | err_pd: | |
2202 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2203 | ||
2204 | err_dealloc: | |
2205 | ib_dealloc_device(&ibdev->ib_dev); | |
2206 | ||
2207 | return NULL; | |
2208 | } | |
2209 | ||
c1c98501 MB |
2210 | int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn) |
2211 | { | |
2212 | int offset; | |
2213 | ||
2214 | WARN_ON(!dev->ib_uc_qpns_bitmap); | |
2215 | ||
2216 | offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap, | |
2217 | dev->steer_qpn_count, | |
2218 | get_count_order(count)); | |
2219 | if (offset < 0) | |
2220 | return offset; | |
2221 | ||
2222 | *qpn = dev->steer_qpn_base + offset; | |
2223 | return 0; | |
2224 | } | |
2225 | ||
2226 | void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count) | |
2227 | { | |
2228 | if (!qpn || | |
2229 | dev->steering_support != MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2230 | return; | |
2231 | ||
2232 | BUG_ON(qpn < dev->steer_qpn_base); | |
2233 | ||
2234 | bitmap_release_region(dev->ib_uc_qpns_bitmap, | |
2235 | qpn - dev->steer_qpn_base, | |
2236 | get_count_order(count)); | |
2237 | } | |
2238 | ||
2239 | int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
2240 | int is_attach) | |
2241 | { | |
2242 | int err; | |
2243 | size_t flow_size; | |
2244 | struct ib_flow_attr *flow = NULL; | |
2245 | struct ib_flow_spec_ib *ib_spec; | |
2246 | ||
2247 | if (is_attach) { | |
2248 | flow_size = sizeof(struct ib_flow_attr) + | |
2249 | sizeof(struct ib_flow_spec_ib); | |
2250 | flow = kzalloc(flow_size, GFP_KERNEL); | |
2251 | if (!flow) | |
2252 | return -ENOMEM; | |
2253 | flow->port = mqp->port; | |
2254 | flow->num_of_specs = 1; | |
2255 | flow->size = flow_size; | |
2256 | ib_spec = (struct ib_flow_spec_ib *)(flow + 1); | |
2257 | ib_spec->type = IB_FLOW_SPEC_IB; | |
2258 | ib_spec->size = sizeof(struct ib_flow_spec_ib); | |
2259 | /* Add an empty rule for IB L2 */ | |
2260 | memset(&ib_spec->mask, 0, sizeof(ib_spec->mask)); | |
2261 | ||
2262 | err = __mlx4_ib_create_flow(&mqp->ibqp, flow, | |
2263 | IB_FLOW_DOMAIN_NIC, | |
2264 | MLX4_FS_REGULAR, | |
2265 | &mqp->reg_id); | |
2266 | } else { | |
2267 | err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id); | |
2268 | } | |
2269 | kfree(flow); | |
2270 | return err; | |
2271 | } | |
2272 | ||
225c7b1f RD |
2273 | static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) |
2274 | { | |
2275 | struct mlx4_ib_dev *ibdev = ibdev_ptr; | |
2276 | int p; | |
2277 | ||
fc06573d | 2278 | mlx4_ib_close_sriov(ibdev); |
a6a47771 YP |
2279 | mlx4_ib_mad_cleanup(ibdev); |
2280 | ib_unregister_device(&ibdev->ib_dev); | |
fa417f7b EC |
2281 | if (ibdev->iboe.nb.notifier_call) { |
2282 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
987c8f8f | 2283 | pr_warn("failure unregistering notifier\n"); |
fa417f7b EC |
2284 | ibdev->iboe.nb.notifier_call = NULL; |
2285 | } | |
c1c98501 MB |
2286 | |
2287 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
2288 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2289 | ibdev->steer_qpn_count); | |
2290 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2291 | } | |
2292 | ||
d487ee77 MS |
2293 | if (ibdev->iboe.nb_inet.notifier_call) { |
2294 | if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) | |
2295 | pr_warn("failure unregistering notifier\n"); | |
2296 | ibdev->iboe.nb_inet.notifier_call = NULL; | |
2297 | } | |
27cdef63 | 2298 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2299 | if (ibdev->iboe.nb_inet6.notifier_call) { |
2300 | if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) | |
2301 | pr_warn("failure unregistering notifier\n"); | |
2302 | ibdev->iboe.nb_inet6.notifier_call = NULL; | |
2303 | } | |
2304 | #endif | |
fb1b5034 | 2305 | |
fa417f7b | 2306 | iounmap(ibdev->uar_map); |
cfcde11c | 2307 | for (p = 0; p < ibdev->num_ports; ++p) |
4af3ce0d RD |
2308 | if (ibdev->counters[p] != -1) |
2309 | mlx4_counter_free(ibdev->dev, ibdev->counters[p]); | |
fa417f7b | 2310 | mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) |
225c7b1f RD |
2311 | mlx4_CLOSE_PORT(dev, p); |
2312 | ||
e605b743 SP |
2313 | mlx4_ib_free_eqs(dev, ibdev); |
2314 | ||
225c7b1f RD |
2315 | mlx4_uar_free(dev, &ibdev->priv_uar); |
2316 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2317 | ib_dealloc_device(&ibdev->ib_dev); | |
2318 | } | |
2319 | ||
fc06573d JM |
2320 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) |
2321 | { | |
2322 | struct mlx4_ib_demux_work **dm = NULL; | |
2323 | struct mlx4_dev *dev = ibdev->dev; | |
2324 | int i; | |
2325 | unsigned long flags; | |
2326 | ||
2327 | if (!mlx4_is_master(dev)) | |
2328 | return; | |
2329 | ||
2330 | dm = kcalloc(dev->caps.num_ports, sizeof *dm, GFP_ATOMIC); | |
2331 | if (!dm) { | |
2332 | pr_err("failed to allocate memory for tunneling qp update\n"); | |
2333 | goto out; | |
2334 | } | |
2335 | ||
2336 | for (i = 0; i < dev->caps.num_ports; i++) { | |
2337 | dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); | |
2338 | if (!dm[i]) { | |
2339 | pr_err("failed to allocate memory for tunneling qp update work struct\n"); | |
2340 | for (i = 0; i < dev->caps.num_ports; i++) { | |
2341 | if (dm[i]) | |
2342 | kfree(dm[i]); | |
2343 | } | |
2344 | goto out; | |
2345 | } | |
2346 | } | |
2347 | /* initialize or tear down tunnel QPs for the slave */ | |
2348 | for (i = 0; i < dev->caps.num_ports; i++) { | |
2349 | INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); | |
2350 | dm[i]->port = i + 1; | |
2351 | dm[i]->slave = slave; | |
2352 | dm[i]->do_init = do_init; | |
2353 | dm[i]->dev = ibdev; | |
2354 | spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); | |
2355 | if (!ibdev->sriov.is_going_down) | |
2356 | queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); | |
2357 | spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); | |
2358 | } | |
2359 | out: | |
c89d1271 | 2360 | kfree(dm); |
fc06573d JM |
2361 | return; |
2362 | } | |
2363 | ||
225c7b1f | 2364 | static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, |
00f5ce99 | 2365 | enum mlx4_dev_event event, unsigned long param) |
225c7b1f RD |
2366 | { |
2367 | struct ib_event ibev; | |
7ff93f8b | 2368 | struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); |
00f5ce99 JM |
2369 | struct mlx4_eqe *eqe = NULL; |
2370 | struct ib_event_work *ew; | |
fc06573d | 2371 | int p = 0; |
00f5ce99 JM |
2372 | |
2373 | if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE) | |
2374 | eqe = (struct mlx4_eqe *)param; | |
2375 | else | |
fc06573d | 2376 | p = (int) param; |
225c7b1f RD |
2377 | |
2378 | switch (event) { | |
37608eea | 2379 | case MLX4_DEV_EVENT_PORT_UP: |
fc06573d JM |
2380 | if (p > ibdev->num_ports) |
2381 | return; | |
a0c64a17 JM |
2382 | if (mlx4_is_master(dev) && |
2383 | rdma_port_get_link_layer(&ibdev->ib_dev, p) == | |
2384 | IB_LINK_LAYER_INFINIBAND) { | |
2385 | mlx4_ib_invalidate_all_guid_record(ibdev, p); | |
2386 | } | |
37608eea | 2387 | ibev.event = IB_EVENT_PORT_ACTIVE; |
225c7b1f RD |
2388 | break; |
2389 | ||
37608eea | 2390 | case MLX4_DEV_EVENT_PORT_DOWN: |
fc06573d JM |
2391 | if (p > ibdev->num_ports) |
2392 | return; | |
37608eea RD |
2393 | ibev.event = IB_EVENT_PORT_ERR; |
2394 | break; | |
2395 | ||
2396 | case MLX4_DEV_EVENT_CATASTROPHIC_ERROR: | |
3b4a8cd5 | 2397 | ibdev->ib_active = false; |
225c7b1f RD |
2398 | ibev.event = IB_EVENT_DEVICE_FATAL; |
2399 | break; | |
2400 | ||
00f5ce99 JM |
2401 | case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: |
2402 | ew = kmalloc(sizeof *ew, GFP_ATOMIC); | |
2403 | if (!ew) { | |
2404 | pr_err("failed to allocate memory for events work\n"); | |
2405 | break; | |
2406 | } | |
2407 | ||
2408 | INIT_WORK(&ew->work, handle_port_mgmt_change_event); | |
2409 | memcpy(&ew->ib_eqe, eqe, sizeof *eqe); | |
2410 | ew->ib_dev = ibdev; | |
992e8e6e JM |
2411 | /* need to queue only for port owner, which uses GEN_EQE */ |
2412 | if (mlx4_is_master(dev)) | |
2413 | queue_work(wq, &ew->work); | |
2414 | else | |
2415 | handle_port_mgmt_change_event(&ew->work); | |
00f5ce99 JM |
2416 | return; |
2417 | ||
fc06573d JM |
2418 | case MLX4_DEV_EVENT_SLAVE_INIT: |
2419 | /* here, p is the slave id */ | |
2420 | do_slave_init(ibdev, p, 1); | |
2421 | return; | |
2422 | ||
2423 | case MLX4_DEV_EVENT_SLAVE_SHUTDOWN: | |
2424 | /* here, p is the slave id */ | |
2425 | do_slave_init(ibdev, p, 0); | |
2426 | return; | |
2427 | ||
225c7b1f RD |
2428 | default: |
2429 | return; | |
2430 | } | |
2431 | ||
2432 | ibev.device = ibdev_ptr; | |
fc06573d | 2433 | ibev.element.port_num = (u8) p; |
225c7b1f RD |
2434 | |
2435 | ib_dispatch_event(&ibev); | |
2436 | } | |
2437 | ||
2438 | static struct mlx4_interface mlx4_ib_interface = { | |
fa417f7b EC |
2439 | .add = mlx4_ib_add, |
2440 | .remove = mlx4_ib_remove, | |
2441 | .event = mlx4_ib_event, | |
0345584e | 2442 | .protocol = MLX4_PROT_IB_IPV6 |
225c7b1f RD |
2443 | }; |
2444 | ||
2445 | static int __init mlx4_ib_init(void) | |
2446 | { | |
fa417f7b EC |
2447 | int err; |
2448 | ||
2449 | wq = create_singlethread_workqueue("mlx4_ib"); | |
2450 | if (!wq) | |
2451 | return -ENOMEM; | |
2452 | ||
b9c5d6a6 OD |
2453 | err = mlx4_ib_mcg_init(); |
2454 | if (err) | |
2455 | goto clean_wq; | |
2456 | ||
fa417f7b | 2457 | err = mlx4_register_interface(&mlx4_ib_interface); |
b9c5d6a6 OD |
2458 | if (err) |
2459 | goto clean_mcg; | |
fa417f7b EC |
2460 | |
2461 | return 0; | |
b9c5d6a6 OD |
2462 | |
2463 | clean_mcg: | |
2464 | mlx4_ib_mcg_destroy(); | |
2465 | ||
2466 | clean_wq: | |
2467 | destroy_workqueue(wq); | |
2468 | return err; | |
225c7b1f RD |
2469 | } |
2470 | ||
2471 | static void __exit mlx4_ib_cleanup(void) | |
2472 | { | |
2473 | mlx4_unregister_interface(&mlx4_ib_interface); | |
b9c5d6a6 | 2474 | mlx4_ib_mcg_destroy(); |
fa417f7b | 2475 | destroy_workqueue(wq); |
225c7b1f RD |
2476 | } |
2477 | ||
2478 | module_init(mlx4_ib_init); | |
2479 | module_exit(mlx4_ib_cleanup); |