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225c7b1f RD |
1 | /* |
2 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. | |
51a379d0 | 3 | * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. |
225c7b1f RD |
4 | * |
5 | * This software is available to you under a choice of one of two | |
6 | * licenses. You may choose to be licensed under the terms of the GNU | |
7 | * General Public License (GPL) Version 2, available from the file | |
8 | * COPYING in the main directory of this source tree, or the | |
9 | * OpenIB.org BSD license below: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * - Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | ||
34 | #include <linux/module.h> | |
35 | #include <linux/init.h> | |
5a0e3ad6 | 36 | #include <linux/slab.h> |
225c7b1f | 37 | #include <linux/errno.h> |
fa417f7b EC |
38 | #include <linux/netdevice.h> |
39 | #include <linux/inetdevice.h> | |
40 | #include <linux/rtnetlink.h> | |
4c3eb3ca | 41 | #include <linux/if_vlan.h> |
d487ee77 MS |
42 | #include <net/ipv6.h> |
43 | #include <net/addrconf.h> | |
225c7b1f RD |
44 | |
45 | #include <rdma/ib_smi.h> | |
46 | #include <rdma/ib_user_verbs.h> | |
fa417f7b | 47 | #include <rdma/ib_addr.h> |
225c7b1f RD |
48 | |
49 | #include <linux/mlx4/driver.h> | |
50 | #include <linux/mlx4/cmd.h> | |
9433c188 | 51 | #include <linux/mlx4/qp.h> |
225c7b1f RD |
52 | |
53 | #include "mlx4_ib.h" | |
54 | #include "user.h" | |
55 | ||
b1d8eb5a | 56 | #define DRV_NAME MLX4_IB_DRV_NAME |
169a1d85 AV |
57 | #define DRV_VERSION "2.2-1" |
58 | #define DRV_RELDATE "Feb 2014" | |
225c7b1f | 59 | |
f77c0162 | 60 | #define MLX4_IB_FLOW_MAX_PRIO 0xFFF |
a37a1a42 | 61 | #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF |
50e2ec91 | 62 | #define MLX4_IB_CARD_REV_A0 0xA0 |
f77c0162 | 63 | |
225c7b1f RD |
64 | MODULE_AUTHOR("Roland Dreier"); |
65 | MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver"); | |
66 | MODULE_LICENSE("Dual BSD/GPL"); | |
67 | MODULE_VERSION(DRV_VERSION); | |
68 | ||
56c1d233 | 69 | int mlx4_ib_sm_guid_assign = 0; |
a0c64a17 | 70 | module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444); |
56c1d233 | 71 | MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 0)"); |
a0c64a17 | 72 | |
68f3948d | 73 | static const char mlx4_ib_version[] = |
225c7b1f RD |
74 | DRV_NAME ": Mellanox ConnectX InfiniBand driver v" |
75 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
76 | ||
fa417f7b EC |
77 | struct update_gid_work { |
78 | struct work_struct work; | |
79 | union ib_gid gids[128]; | |
80 | struct mlx4_ib_dev *dev; | |
81 | int port; | |
82 | }; | |
83 | ||
3806d08c JM |
84 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init); |
85 | ||
fa417f7b EC |
86 | static struct workqueue_struct *wq; |
87 | ||
225c7b1f RD |
88 | static void init_query_mad(struct ib_smp *mad) |
89 | { | |
90 | mad->base_version = 1; | |
91 | mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; | |
92 | mad->class_version = 1; | |
93 | mad->method = IB_MGMT_METHOD_GET; | |
94 | } | |
95 | ||
4c3eb3ca EC |
96 | static union ib_gid zgid; |
97 | ||
f77c0162 HHZ |
98 | static int check_flow_steering_support(struct mlx4_dev *dev) |
99 | { | |
0a9b7d59 | 100 | int eth_num_ports = 0; |
f77c0162 | 101 | int ib_num_ports = 0; |
f77c0162 | 102 | |
0a9b7d59 MB |
103 | int dmfs = dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED; |
104 | ||
105 | if (dmfs) { | |
106 | int i; | |
107 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) | |
108 | eth_num_ports++; | |
109 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
110 | ib_num_ports++; | |
111 | dmfs &= (!ib_num_ports || | |
112 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB)) && | |
113 | (!eth_num_ports || | |
114 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN)); | |
115 | if (ib_num_ports && mlx4_is_mfunc(dev)) { | |
116 | pr_warn("Device managed flow steering is unavailable for IB port in multifunction env.\n"); | |
117 | dmfs = 0; | |
f77c0162 | 118 | } |
f77c0162 | 119 | } |
0a9b7d59 | 120 | return dmfs; |
f77c0162 HHZ |
121 | } |
122 | ||
3dec4878 JM |
123 | static int num_ib_ports(struct mlx4_dev *dev) |
124 | { | |
125 | int ib_ports = 0; | |
126 | int i; | |
127 | ||
128 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
129 | ib_ports++; | |
130 | ||
131 | return ib_ports; | |
132 | } | |
133 | ||
225c7b1f RD |
134 | static int mlx4_ib_query_device(struct ib_device *ibdev, |
135 | struct ib_device_attr *props) | |
136 | { | |
137 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
138 | struct ib_smp *in_mad = NULL; | |
139 | struct ib_smp *out_mad = NULL; | |
140 | int err = -ENOMEM; | |
3dec4878 | 141 | int have_ib_ports; |
225c7b1f RD |
142 | |
143 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
144 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
145 | if (!in_mad || !out_mad) | |
146 | goto out; | |
147 | ||
148 | init_query_mad(in_mad); | |
149 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
150 | ||
0a9a0188 JM |
151 | err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS, |
152 | 1, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
153 | if (err) |
154 | goto out; | |
155 | ||
156 | memset(props, 0, sizeof *props); | |
157 | ||
3dec4878 JM |
158 | have_ib_ports = num_ib_ports(dev->dev); |
159 | ||
225c7b1f RD |
160 | props->fw_ver = dev->dev->caps.fw_ver; |
161 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | | |
162 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
163 | IB_DEVICE_SYS_IMAGE_GUID | | |
521e575b RL |
164 | IB_DEVICE_RC_RNR_NAK_GEN | |
165 | IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; | |
225c7b1f RD |
166 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR) |
167 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; | |
168 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR) | |
169 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; | |
3dec4878 | 170 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM && have_ib_ports) |
225c7b1f RD |
171 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
172 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) | |
173 | props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; | |
8ff095ec EC |
174 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) |
175 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
50e2ec91 MS |
176 | if (dev->dev->caps.max_gso_sz && |
177 | (dev->dev->rev_id != MLX4_IB_CARD_REV_A0) && | |
178 | (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH)) | |
b832be1e | 179 | props->device_cap_flags |= IB_DEVICE_UD_TSO; |
95d04f07 RD |
180 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY) |
181 | props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; | |
182 | if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) && | |
183 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) && | |
184 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR)) | |
185 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
0a1405da SH |
186 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) |
187 | props->device_cap_flags |= IB_DEVICE_XRC; | |
b425388d SM |
188 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW) |
189 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW; | |
190 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
191 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B) | |
192 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
193 | else | |
194 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A; | |
0a9b7d59 | 195 | if (dev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) |
f77c0162 | 196 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; |
b425388d | 197 | } |
225c7b1f RD |
198 | |
199 | props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & | |
200 | 0xffffff; | |
872bf2fb | 201 | props->vendor_part_id = dev->dev->persist->pdev->device; |
225c7b1f RD |
202 | props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
203 | memcpy(&props->sys_image_guid, out_mad->data + 4, 8); | |
204 | ||
205 | props->max_mr_size = ~0ull; | |
206 | props->page_size_cap = dev->dev->caps.page_size_cap; | |
5a0d0a61 | 207 | props->max_qp = dev->dev->quotas.qp; |
fc2d0044 | 208 | props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; |
225c7b1f RD |
209 | props->max_sge = min(dev->dev->caps.max_sq_sg, |
210 | dev->dev->caps.max_rq_sg); | |
5a0d0a61 | 211 | props->max_cq = dev->dev->quotas.cq; |
225c7b1f | 212 | props->max_cqe = dev->dev->caps.max_cqes; |
5a0d0a61 | 213 | props->max_mr = dev->dev->quotas.mpt; |
225c7b1f RD |
214 | props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds; |
215 | props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma; | |
216 | props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma; | |
217 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; | |
5a0d0a61 | 218 | props->max_srq = dev->dev->quotas.srq; |
c8681f14 | 219 | props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; |
225c7b1f | 220 | props->max_srq_sge = dev->dev->caps.max_srq_sge; |
5a0fd094 | 221 | props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; |
225c7b1f RD |
222 | props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; |
223 | props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? | |
224 | IB_ATOMIC_HCA : IB_ATOMIC_NONE; | |
47e956b2 | 225 | props->masked_atomic_cap = props->atomic_cap; |
5ae2a7a8 | 226 | props->max_pkeys = dev->dev->caps.pkey_table_len[1]; |
225c7b1f RD |
227 | props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms; |
228 | props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; | |
229 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * | |
230 | props->max_mcast_grp; | |
a5bbe892 | 231 | props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; |
225c7b1f RD |
232 | |
233 | out: | |
234 | kfree(in_mad); | |
235 | kfree(out_mad); | |
236 | ||
237 | return err; | |
238 | } | |
239 | ||
fa417f7b EC |
240 | static enum rdma_link_layer |
241 | mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
225c7b1f | 242 | { |
fa417f7b | 243 | struct mlx4_dev *dev = to_mdev(device)->dev; |
225c7b1f | 244 | |
65dab25d | 245 | return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ? |
fa417f7b EC |
246 | IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; |
247 | } | |
225c7b1f | 248 | |
fa417f7b | 249 | static int ib_link_query_port(struct ib_device *ibdev, u8 port, |
0a9a0188 | 250 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 251 | { |
a9c766bb OG |
252 | struct ib_smp *in_mad = NULL; |
253 | struct ib_smp *out_mad = NULL; | |
a5e12dff | 254 | int ext_active_speed; |
0a9a0188 | 255 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
a9c766bb OG |
256 | int err = -ENOMEM; |
257 | ||
258 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
259 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
260 | if (!in_mad || !out_mad) | |
261 | goto out; | |
262 | ||
263 | init_query_mad(in_mad); | |
264 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
265 | in_mad->attr_mod = cpu_to_be32(port); | |
266 | ||
0a9a0188 JM |
267 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
268 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
269 | ||
270 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
a9c766bb OG |
271 | in_mad, out_mad); |
272 | if (err) | |
273 | goto out; | |
274 | ||
a5e12dff | 275 | |
225c7b1f RD |
276 | props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); |
277 | props->lmc = out_mad->data[34] & 0x7; | |
278 | props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); | |
279 | props->sm_sl = out_mad->data[36] & 0xf; | |
280 | props->state = out_mad->data[32] & 0xf; | |
281 | props->phys_state = out_mad->data[33] >> 4; | |
282 | props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); | |
0a9a0188 JM |
283 | if (netw_view) |
284 | props->gid_tbl_len = out_mad->data[50]; | |
285 | else | |
286 | props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; | |
149983af | 287 | props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; |
5ae2a7a8 | 288 | props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; |
225c7b1f RD |
289 | props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); |
290 | props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); | |
291 | props->active_width = out_mad->data[31] & 0xf; | |
292 | props->active_speed = out_mad->data[35] >> 4; | |
293 | props->max_mtu = out_mad->data[41] & 0xf; | |
294 | props->active_mtu = out_mad->data[36] >> 4; | |
295 | props->subnet_timeout = out_mad->data[51] & 0x1f; | |
296 | props->max_vl_num = out_mad->data[37] >> 4; | |
297 | props->init_type_reply = out_mad->data[41] >> 4; | |
298 | ||
a5e12dff MA |
299 | /* Check if extended speeds (EDR/FDR/...) are supported */ |
300 | if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { | |
301 | ext_active_speed = out_mad->data[62] >> 4; | |
302 | ||
303 | switch (ext_active_speed) { | |
304 | case 1: | |
2e96691c | 305 | props->active_speed = IB_SPEED_FDR; |
a5e12dff MA |
306 | break; |
307 | case 2: | |
2e96691c | 308 | props->active_speed = IB_SPEED_EDR; |
a5e12dff MA |
309 | break; |
310 | } | |
311 | } | |
312 | ||
313 | /* If reported active speed is QDR, check if is FDR-10 */ | |
2e96691c | 314 | if (props->active_speed == IB_SPEED_QDR) { |
8154c07f OG |
315 | init_query_mad(in_mad); |
316 | in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO; | |
317 | in_mad->attr_mod = cpu_to_be32(port); | |
318 | ||
0a9a0188 | 319 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, |
8154c07f OG |
320 | NULL, NULL, in_mad, out_mad); |
321 | if (err) | |
bf6b47de | 322 | goto out; |
8154c07f OG |
323 | |
324 | /* Checking LinkSpeedActive for FDR-10 */ | |
325 | if (out_mad->data[15] & 0x1) | |
326 | props->active_speed = IB_SPEED_FDR10; | |
a5e12dff | 327 | } |
d2ef4068 OG |
328 | |
329 | /* Avoid wrong speed value returned by FW if the IB link is down. */ | |
330 | if (props->state == IB_PORT_DOWN) | |
331 | props->active_speed = IB_SPEED_SDR; | |
332 | ||
a9c766bb OG |
333 | out: |
334 | kfree(in_mad); | |
335 | kfree(out_mad); | |
336 | return err; | |
fa417f7b EC |
337 | } |
338 | ||
339 | static u8 state_to_phys_state(enum ib_port_state state) | |
340 | { | |
341 | return state == IB_PORT_ACTIVE ? 5 : 3; | |
342 | } | |
343 | ||
344 | static int eth_link_query_port(struct ib_device *ibdev, u8 port, | |
0a9a0188 | 345 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 346 | { |
a9c766bb OG |
347 | |
348 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); | |
349 | struct mlx4_ib_iboe *iboe = &mdev->iboe; | |
fa417f7b EC |
350 | struct net_device *ndev; |
351 | enum ib_mtu tmp; | |
a9c766bb OG |
352 | struct mlx4_cmd_mailbox *mailbox; |
353 | int err = 0; | |
a5750090 | 354 | int is_bonded = mlx4_is_bonded(mdev->dev); |
a9c766bb OG |
355 | |
356 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
357 | if (IS_ERR(mailbox)) | |
358 | return PTR_ERR(mailbox); | |
fa417f7b | 359 | |
a9c766bb OG |
360 | err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, |
361 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
362 | MLX4_CMD_WRAPPED); | |
363 | if (err) | |
364 | goto out; | |
365 | ||
366 | props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? | |
367 | IB_WIDTH_4X : IB_WIDTH_1X; | |
2e96691c | 368 | props->active_speed = IB_SPEED_QDR; |
b4a26a27 | 369 | props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS; |
a9c766bb OG |
370 | props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; |
371 | props->max_msg_sz = mdev->dev->caps.max_msg_sz; | |
fa417f7b | 372 | props->pkey_tbl_len = 1; |
bcacb897 | 373 | props->max_mtu = IB_MTU_4096; |
a9c766bb | 374 | props->max_vl_num = 2; |
fa417f7b EC |
375 | props->state = IB_PORT_DOWN; |
376 | props->phys_state = state_to_phys_state(props->state); | |
377 | props->active_mtu = IB_MTU_256; | |
a5750090 MS |
378 | if (is_bonded) |
379 | rtnl_lock(); /* required to get upper dev */ | |
dba3ad2a | 380 | spin_lock_bh(&iboe->lock); |
fa417f7b | 381 | ndev = iboe->netdevs[port - 1]; |
a5750090 MS |
382 | if (ndev && is_bonded) |
383 | ndev = netdev_master_upper_dev_get(ndev); | |
fa417f7b | 384 | if (!ndev) |
a9c766bb | 385 | goto out_unlock; |
fa417f7b EC |
386 | |
387 | tmp = iboe_get_mtu(ndev->mtu); | |
388 | props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; | |
389 | ||
21d60609 | 390 | props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ? |
fa417f7b EC |
391 | IB_PORT_ACTIVE : IB_PORT_DOWN; |
392 | props->phys_state = state_to_phys_state(props->state); | |
a9c766bb | 393 | out_unlock: |
dba3ad2a | 394 | spin_unlock_bh(&iboe->lock); |
a5750090 MS |
395 | if (is_bonded) |
396 | rtnl_unlock(); | |
a9c766bb OG |
397 | out: |
398 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
399 | return err; | |
fa417f7b EC |
400 | } |
401 | ||
0a9a0188 JM |
402 | int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
403 | struct ib_port_attr *props, int netw_view) | |
fa417f7b | 404 | { |
a9c766bb | 405 | int err; |
fa417f7b EC |
406 | |
407 | memset(props, 0, sizeof *props); | |
408 | ||
fa417f7b | 409 | err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? |
0a9a0188 JM |
410 | ib_link_query_port(ibdev, port, props, netw_view) : |
411 | eth_link_query_port(ibdev, port, props, netw_view); | |
225c7b1f RD |
412 | |
413 | return err; | |
414 | } | |
415 | ||
0a9a0188 JM |
416 | static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
417 | struct ib_port_attr *props) | |
418 | { | |
419 | /* returns host view */ | |
420 | return __mlx4_ib_query_port(ibdev, port, props, 0); | |
421 | } | |
422 | ||
a0c64a17 JM |
423 | int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
424 | union ib_gid *gid, int netw_view) | |
225c7b1f RD |
425 | { |
426 | struct ib_smp *in_mad = NULL; | |
427 | struct ib_smp *out_mad = NULL; | |
428 | int err = -ENOMEM; | |
a0c64a17 JM |
429 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
430 | int clear = 0; | |
431 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; | |
225c7b1f RD |
432 | |
433 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
434 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
435 | if (!in_mad || !out_mad) | |
436 | goto out; | |
437 | ||
438 | init_query_mad(in_mad); | |
439 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
440 | in_mad->attr_mod = cpu_to_be32(port); | |
441 | ||
a0c64a17 JM |
442 | if (mlx4_is_mfunc(dev->dev) && netw_view) |
443 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
444 | ||
445 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
446 | if (err) |
447 | goto out; | |
448 | ||
449 | memcpy(gid->raw, out_mad->data + 8, 8); | |
450 | ||
a0c64a17 JM |
451 | if (mlx4_is_mfunc(dev->dev) && !netw_view) { |
452 | if (index) { | |
453 | /* For any index > 0, return the null guid */ | |
454 | err = 0; | |
455 | clear = 1; | |
456 | goto out; | |
457 | } | |
458 | } | |
459 | ||
225c7b1f RD |
460 | init_query_mad(in_mad); |
461 | in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; | |
462 | in_mad->attr_mod = cpu_to_be32(index / 8); | |
463 | ||
a0c64a17 | 464 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, |
0a9a0188 | 465 | NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
466 | if (err) |
467 | goto out; | |
468 | ||
469 | memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); | |
470 | ||
471 | out: | |
a0c64a17 JM |
472 | if (clear) |
473 | memset(gid->raw + 8, 0, 8); | |
225c7b1f RD |
474 | kfree(in_mad); |
475 | kfree(out_mad); | |
476 | return err; | |
477 | } | |
478 | ||
fa417f7b EC |
479 | static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index, |
480 | union ib_gid *gid) | |
481 | { | |
482 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
483 | ||
484 | *gid = dev->iboe.gid_table[port - 1][index]; | |
485 | ||
486 | return 0; | |
487 | } | |
488 | ||
489 | static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, | |
490 | union ib_gid *gid) | |
491 | { | |
492 | if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND) | |
a0c64a17 | 493 | return __mlx4_ib_query_gid(ibdev, port, index, gid, 0); |
fa417f7b EC |
494 | else |
495 | return iboe_query_gid(ibdev, port, index, gid); | |
496 | } | |
497 | ||
0a9a0188 JM |
498 | int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
499 | u16 *pkey, int netw_view) | |
225c7b1f RD |
500 | { |
501 | struct ib_smp *in_mad = NULL; | |
502 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 503 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
504 | int err = -ENOMEM; |
505 | ||
506 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
507 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
508 | if (!in_mad || !out_mad) | |
509 | goto out; | |
510 | ||
511 | init_query_mad(in_mad); | |
512 | in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; | |
513 | in_mad->attr_mod = cpu_to_be32(index / 32); | |
514 | ||
0a9a0188 JM |
515 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
516 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
517 | ||
518 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
519 | in_mad, out_mad); | |
225c7b1f RD |
520 | if (err) |
521 | goto out; | |
522 | ||
523 | *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); | |
524 | ||
525 | out: | |
526 | kfree(in_mad); | |
527 | kfree(out_mad); | |
528 | return err; | |
529 | } | |
530 | ||
0a9a0188 JM |
531 | static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) |
532 | { | |
533 | return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0); | |
534 | } | |
535 | ||
225c7b1f RD |
536 | static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, |
537 | struct ib_device_modify *props) | |
538 | { | |
d0d68b86 | 539 | struct mlx4_cmd_mailbox *mailbox; |
df7fba66 | 540 | unsigned long flags; |
d0d68b86 | 541 | |
225c7b1f RD |
542 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) |
543 | return -EOPNOTSUPP; | |
544 | ||
d0d68b86 JM |
545 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) |
546 | return 0; | |
547 | ||
992e8e6e JM |
548 | if (mlx4_is_slave(to_mdev(ibdev)->dev)) |
549 | return -EOPNOTSUPP; | |
550 | ||
df7fba66 | 551 | spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 | 552 | memcpy(ibdev->node_desc, props->node_desc, 64); |
df7fba66 | 553 | spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 JM |
554 | |
555 | /* | |
556 | * If possible, pass node desc to FW, so it can generate | |
557 | * a 144 trap. If cmd fails, just ignore. | |
558 | */ | |
559 | mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); | |
560 | if (IS_ERR(mailbox)) | |
561 | return 0; | |
562 | ||
d0d68b86 JM |
563 | memcpy(mailbox->buf, props->node_desc, 64); |
564 | mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, | |
992e8e6e | 565 | MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
d0d68b86 JM |
566 | |
567 | mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); | |
225c7b1f RD |
568 | |
569 | return 0; | |
570 | } | |
571 | ||
61565013 JM |
572 | static int mlx4_ib_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, |
573 | u32 cap_mask) | |
225c7b1f RD |
574 | { |
575 | struct mlx4_cmd_mailbox *mailbox; | |
576 | int err; | |
577 | ||
578 | mailbox = mlx4_alloc_cmd_mailbox(dev->dev); | |
579 | if (IS_ERR(mailbox)) | |
580 | return PTR_ERR(mailbox); | |
581 | ||
5ae2a7a8 RD |
582 | if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
583 | *(u8 *) mailbox->buf = !!reset_qkey_viols << 6; | |
584 | ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask); | |
585 | } else { | |
586 | ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols; | |
587 | ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); | |
588 | } | |
225c7b1f | 589 | |
a130b590 IS |
590 | err = mlx4_cmd(dev->dev, mailbox->dma, port, MLX4_SET_PORT_IB_OPCODE, |
591 | MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, | |
592 | MLX4_CMD_WRAPPED); | |
225c7b1f RD |
593 | |
594 | mlx4_free_cmd_mailbox(dev->dev, mailbox); | |
595 | return err; | |
596 | } | |
597 | ||
598 | static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, | |
599 | struct ib_port_modify *props) | |
600 | { | |
61565013 JM |
601 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); |
602 | u8 is_eth = mdev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; | |
225c7b1f RD |
603 | struct ib_port_attr attr; |
604 | u32 cap_mask; | |
605 | int err; | |
606 | ||
61565013 JM |
607 | /* return OK if this is RoCE. CM calls ib_modify_port() regardless |
608 | * of whether port link layer is ETH or IB. For ETH ports, qkey | |
609 | * violations and port capabilities are not meaningful. | |
610 | */ | |
611 | if (is_eth) | |
612 | return 0; | |
613 | ||
614 | mutex_lock(&mdev->cap_mask_mutex); | |
225c7b1f RD |
615 | |
616 | err = mlx4_ib_query_port(ibdev, port, &attr); | |
617 | if (err) | |
618 | goto out; | |
619 | ||
620 | cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & | |
621 | ~props->clr_port_cap_mask; | |
622 | ||
61565013 JM |
623 | err = mlx4_ib_SET_PORT(mdev, port, |
624 | !!(mask & IB_PORT_RESET_QKEY_CNTR), | |
625 | cap_mask); | |
225c7b1f RD |
626 | |
627 | out: | |
628 | mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex); | |
629 | return err; | |
630 | } | |
631 | ||
632 | static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev, | |
633 | struct ib_udata *udata) | |
634 | { | |
635 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
636 | struct mlx4_ib_ucontext *context; | |
08ff3235 | 637 | struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3; |
225c7b1f RD |
638 | struct mlx4_ib_alloc_ucontext_resp resp; |
639 | int err; | |
640 | ||
3b4a8cd5 JM |
641 | if (!dev->ib_active) |
642 | return ERR_PTR(-EAGAIN); | |
643 | ||
08ff3235 OG |
644 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) { |
645 | resp_v3.qp_tab_size = dev->dev->caps.num_qps; | |
646 | resp_v3.bf_reg_size = dev->dev->caps.bf_reg_size; | |
647 | resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
648 | } else { | |
649 | resp.dev_caps = dev->dev->caps.userspace_caps; | |
650 | resp.qp_tab_size = dev->dev->caps.num_qps; | |
651 | resp.bf_reg_size = dev->dev->caps.bf_reg_size; | |
652 | resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
653 | resp.cqe_size = dev->dev->caps.cqe_size; | |
654 | } | |
225c7b1f RD |
655 | |
656 | context = kmalloc(sizeof *context, GFP_KERNEL); | |
657 | if (!context) | |
658 | return ERR_PTR(-ENOMEM); | |
659 | ||
660 | err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar); | |
661 | if (err) { | |
662 | kfree(context); | |
663 | return ERR_PTR(err); | |
664 | } | |
665 | ||
666 | INIT_LIST_HEAD(&context->db_page_list); | |
667 | mutex_init(&context->db_page_mutex); | |
668 | ||
08ff3235 OG |
669 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) |
670 | err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3)); | |
671 | else | |
672 | err = ib_copy_to_udata(udata, &resp, sizeof(resp)); | |
673 | ||
225c7b1f RD |
674 | if (err) { |
675 | mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar); | |
676 | kfree(context); | |
677 | return ERR_PTR(-EFAULT); | |
678 | } | |
679 | ||
680 | return &context->ibucontext; | |
681 | } | |
682 | ||
683 | static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
684 | { | |
685 | struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); | |
686 | ||
687 | mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar); | |
688 | kfree(context); | |
689 | ||
690 | return 0; | |
691 | } | |
692 | ||
693 | static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) | |
694 | { | |
695 | struct mlx4_ib_dev *dev = to_mdev(context->device); | |
696 | ||
697 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
698 | return -EINVAL; | |
699 | ||
700 | if (vma->vm_pgoff == 0) { | |
701 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
702 | ||
703 | if (io_remap_pfn_range(vma, vma->vm_start, | |
704 | to_mucontext(context)->uar.pfn, | |
705 | PAGE_SIZE, vma->vm_page_prot)) | |
706 | return -EAGAIN; | |
707 | } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) { | |
e1d60ec6 | 708 | vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); |
225c7b1f RD |
709 | |
710 | if (io_remap_pfn_range(vma, vma->vm_start, | |
711 | to_mucontext(context)->uar.pfn + | |
712 | dev->dev->caps.num_uars, | |
713 | PAGE_SIZE, vma->vm_page_prot)) | |
714 | return -EAGAIN; | |
715 | } else | |
716 | return -EINVAL; | |
717 | ||
718 | return 0; | |
719 | } | |
720 | ||
721 | static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, | |
722 | struct ib_ucontext *context, | |
723 | struct ib_udata *udata) | |
724 | { | |
725 | struct mlx4_ib_pd *pd; | |
726 | int err; | |
727 | ||
728 | pd = kmalloc(sizeof *pd, GFP_KERNEL); | |
729 | if (!pd) | |
730 | return ERR_PTR(-ENOMEM); | |
731 | ||
732 | err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn); | |
733 | if (err) { | |
734 | kfree(pd); | |
735 | return ERR_PTR(err); | |
736 | } | |
737 | ||
738 | if (context) | |
739 | if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) { | |
740 | mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); | |
741 | kfree(pd); | |
742 | return ERR_PTR(-EFAULT); | |
743 | } | |
744 | ||
745 | return &pd->ibpd; | |
746 | } | |
747 | ||
748 | static int mlx4_ib_dealloc_pd(struct ib_pd *pd) | |
749 | { | |
750 | mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn); | |
751 | kfree(pd); | |
752 | ||
753 | return 0; | |
754 | } | |
755 | ||
012a8ff5 SH |
756 | static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev, |
757 | struct ib_ucontext *context, | |
758 | struct ib_udata *udata) | |
759 | { | |
760 | struct mlx4_ib_xrcd *xrcd; | |
761 | int err; | |
762 | ||
763 | if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)) | |
764 | return ERR_PTR(-ENOSYS); | |
765 | ||
766 | xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL); | |
767 | if (!xrcd) | |
768 | return ERR_PTR(-ENOMEM); | |
769 | ||
770 | err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn); | |
771 | if (err) | |
772 | goto err1; | |
773 | ||
774 | xrcd->pd = ib_alloc_pd(ibdev); | |
775 | if (IS_ERR(xrcd->pd)) { | |
776 | err = PTR_ERR(xrcd->pd); | |
777 | goto err2; | |
778 | } | |
779 | ||
780 | xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, 1, 0); | |
781 | if (IS_ERR(xrcd->cq)) { | |
782 | err = PTR_ERR(xrcd->cq); | |
783 | goto err3; | |
784 | } | |
785 | ||
786 | return &xrcd->ibxrcd; | |
787 | ||
788 | err3: | |
789 | ib_dealloc_pd(xrcd->pd); | |
790 | err2: | |
791 | mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn); | |
792 | err1: | |
793 | kfree(xrcd); | |
794 | return ERR_PTR(err); | |
795 | } | |
796 | ||
797 | static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd) | |
798 | { | |
799 | ib_destroy_cq(to_mxrcd(xrcd)->cq); | |
800 | ib_dealloc_pd(to_mxrcd(xrcd)->pd); | |
801 | mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn); | |
802 | kfree(xrcd); | |
803 | ||
804 | return 0; | |
805 | } | |
806 | ||
fa417f7b EC |
807 | static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) |
808 | { | |
809 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
810 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
811 | struct mlx4_ib_gid_entry *ge; | |
812 | ||
813 | ge = kzalloc(sizeof *ge, GFP_KERNEL); | |
814 | if (!ge) | |
815 | return -ENOMEM; | |
816 | ||
817 | ge->gid = *gid; | |
818 | if (mlx4_ib_add_mc(mdev, mqp, gid)) { | |
819 | ge->port = mqp->port; | |
820 | ge->added = 1; | |
821 | } | |
822 | ||
823 | mutex_lock(&mqp->mutex); | |
824 | list_add_tail(&ge->list, &mqp->gid_list); | |
825 | mutex_unlock(&mqp->mutex); | |
826 | ||
827 | return 0; | |
828 | } | |
829 | ||
830 | int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
831 | union ib_gid *gid) | |
832 | { | |
fa417f7b EC |
833 | struct net_device *ndev; |
834 | int ret = 0; | |
835 | ||
836 | if (!mqp->port) | |
837 | return 0; | |
838 | ||
dba3ad2a | 839 | spin_lock_bh(&mdev->iboe.lock); |
fa417f7b EC |
840 | ndev = mdev->iboe.netdevs[mqp->port - 1]; |
841 | if (ndev) | |
842 | dev_hold(ndev); | |
dba3ad2a | 843 | spin_unlock_bh(&mdev->iboe.lock); |
fa417f7b EC |
844 | |
845 | if (ndev) { | |
fa417f7b | 846 | ret = 1; |
fa417f7b EC |
847 | dev_put(ndev); |
848 | } | |
849 | ||
850 | return ret; | |
851 | } | |
852 | ||
0ff1fb65 HHZ |
853 | struct mlx4_ib_steering { |
854 | struct list_head list; | |
146d6e19 | 855 | struct mlx4_flow_reg_id reg_id; |
0ff1fb65 HHZ |
856 | union ib_gid gid; |
857 | }; | |
858 | ||
f77c0162 | 859 | static int parse_flow_attr(struct mlx4_dev *dev, |
a37a1a42 | 860 | u32 qp_num, |
f77c0162 HHZ |
861 | union ib_flow_spec *ib_spec, |
862 | struct _rule_hw *mlx4_spec) | |
863 | { | |
864 | enum mlx4_net_trans_rule_id type; | |
865 | ||
866 | switch (ib_spec->type) { | |
867 | case IB_FLOW_SPEC_ETH: | |
868 | type = MLX4_NET_TRANS_RULE_ID_ETH; | |
869 | memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac, | |
870 | ETH_ALEN); | |
871 | memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac, | |
872 | ETH_ALEN); | |
873 | mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag; | |
874 | mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag; | |
875 | break; | |
a37a1a42 MB |
876 | case IB_FLOW_SPEC_IB: |
877 | type = MLX4_NET_TRANS_RULE_ID_IB; | |
878 | mlx4_spec->ib.l3_qpn = | |
879 | cpu_to_be32(qp_num); | |
880 | mlx4_spec->ib.qpn_mask = | |
881 | cpu_to_be32(MLX4_IB_FLOW_QPN_MASK); | |
882 | break; | |
883 | ||
f77c0162 HHZ |
884 | |
885 | case IB_FLOW_SPEC_IPV4: | |
886 | type = MLX4_NET_TRANS_RULE_ID_IPV4; | |
887 | mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip; | |
888 | mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip; | |
889 | mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip; | |
890 | mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip; | |
891 | break; | |
892 | ||
893 | case IB_FLOW_SPEC_TCP: | |
894 | case IB_FLOW_SPEC_UDP: | |
895 | type = ib_spec->type == IB_FLOW_SPEC_TCP ? | |
896 | MLX4_NET_TRANS_RULE_ID_TCP : | |
897 | MLX4_NET_TRANS_RULE_ID_UDP; | |
898 | mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port; | |
899 | mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port; | |
900 | mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port; | |
901 | mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port; | |
902 | break; | |
903 | ||
904 | default: | |
905 | return -EINVAL; | |
906 | } | |
907 | if (mlx4_map_sw_to_hw_steering_id(dev, type) < 0 || | |
908 | mlx4_hw_rule_sz(dev, type) < 0) | |
909 | return -EINVAL; | |
910 | mlx4_spec->id = cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev, type)); | |
911 | mlx4_spec->size = mlx4_hw_rule_sz(dev, type) >> 2; | |
912 | return mlx4_hw_rule_sz(dev, type); | |
913 | } | |
914 | ||
a37a1a42 MB |
915 | struct default_rules { |
916 | __u32 mandatory_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
917 | __u32 mandatory_not_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
918 | __u32 rules_create_list[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
919 | __u8 link_layer; | |
920 | }; | |
921 | static const struct default_rules default_table[] = { | |
922 | { | |
923 | .mandatory_fields = {IB_FLOW_SPEC_IPV4}, | |
924 | .mandatory_not_fields = {IB_FLOW_SPEC_ETH}, | |
925 | .rules_create_list = {IB_FLOW_SPEC_IB}, | |
926 | .link_layer = IB_LINK_LAYER_INFINIBAND | |
927 | } | |
928 | }; | |
929 | ||
930 | static int __mlx4_ib_default_rules_match(struct ib_qp *qp, | |
931 | struct ib_flow_attr *flow_attr) | |
932 | { | |
933 | int i, j, k; | |
934 | void *ib_flow; | |
935 | const struct default_rules *pdefault_rules = default_table; | |
936 | u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port); | |
937 | ||
a57f23f6 | 938 | for (i = 0; i < ARRAY_SIZE(default_table); i++, pdefault_rules++) { |
a37a1a42 MB |
939 | __u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS]; |
940 | memset(&field_types, 0, sizeof(field_types)); | |
941 | ||
942 | if (link_layer != pdefault_rules->link_layer) | |
943 | continue; | |
944 | ||
945 | ib_flow = flow_attr + 1; | |
946 | /* we assume the specs are sorted */ | |
947 | for (j = 0, k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS && | |
948 | j < flow_attr->num_of_specs; k++) { | |
949 | union ib_flow_spec *current_flow = | |
950 | (union ib_flow_spec *)ib_flow; | |
951 | ||
952 | /* same layer but different type */ | |
953 | if (((current_flow->type & IB_FLOW_SPEC_LAYER_MASK) == | |
954 | (pdefault_rules->mandatory_fields[k] & | |
955 | IB_FLOW_SPEC_LAYER_MASK)) && | |
956 | (current_flow->type != | |
957 | pdefault_rules->mandatory_fields[k])) | |
958 | goto out; | |
959 | ||
960 | /* same layer, try match next one */ | |
961 | if (current_flow->type == | |
962 | pdefault_rules->mandatory_fields[k]) { | |
963 | j++; | |
964 | ib_flow += | |
965 | ((union ib_flow_spec *)ib_flow)->size; | |
966 | } | |
967 | } | |
968 | ||
969 | ib_flow = flow_attr + 1; | |
970 | for (j = 0; j < flow_attr->num_of_specs; | |
971 | j++, ib_flow += ((union ib_flow_spec *)ib_flow)->size) | |
972 | for (k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS; k++) | |
973 | /* same layer and same type */ | |
974 | if (((union ib_flow_spec *)ib_flow)->type == | |
975 | pdefault_rules->mandatory_not_fields[k]) | |
976 | goto out; | |
977 | ||
978 | return i; | |
979 | } | |
980 | out: | |
981 | return -1; | |
982 | } | |
983 | ||
984 | static int __mlx4_ib_create_default_rules( | |
985 | struct mlx4_ib_dev *mdev, | |
986 | struct ib_qp *qp, | |
987 | const struct default_rules *pdefault_rules, | |
988 | struct _rule_hw *mlx4_spec) { | |
989 | int size = 0; | |
990 | int i; | |
991 | ||
a57f23f6 | 992 | for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) { |
a37a1a42 MB |
993 | int ret; |
994 | union ib_flow_spec ib_spec; | |
995 | switch (pdefault_rules->rules_create_list[i]) { | |
996 | case 0: | |
997 | /* no rule */ | |
998 | continue; | |
999 | case IB_FLOW_SPEC_IB: | |
1000 | ib_spec.type = IB_FLOW_SPEC_IB; | |
1001 | ib_spec.size = sizeof(struct ib_flow_spec_ib); | |
1002 | ||
1003 | break; | |
1004 | default: | |
1005 | /* invalid rule */ | |
1006 | return -EINVAL; | |
1007 | } | |
1008 | /* We must put empty rule, qpn is being ignored */ | |
1009 | ret = parse_flow_attr(mdev->dev, 0, &ib_spec, | |
1010 | mlx4_spec); | |
1011 | if (ret < 0) { | |
1012 | pr_info("invalid parsing\n"); | |
1013 | return -EINVAL; | |
1014 | } | |
1015 | ||
1016 | mlx4_spec = (void *)mlx4_spec + ret; | |
1017 | size += ret; | |
1018 | } | |
1019 | return size; | |
1020 | } | |
1021 | ||
f77c0162 HHZ |
1022 | static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
1023 | int domain, | |
1024 | enum mlx4_net_trans_promisc_mode flow_type, | |
1025 | u64 *reg_id) | |
1026 | { | |
1027 | int ret, i; | |
1028 | int size = 0; | |
1029 | void *ib_flow; | |
1030 | struct mlx4_ib_dev *mdev = to_mdev(qp->device); | |
1031 | struct mlx4_cmd_mailbox *mailbox; | |
1032 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; | |
a37a1a42 | 1033 | int default_flow; |
f77c0162 HHZ |
1034 | |
1035 | static const u16 __mlx4_domain[] = { | |
1036 | [IB_FLOW_DOMAIN_USER] = MLX4_DOMAIN_UVERBS, | |
1037 | [IB_FLOW_DOMAIN_ETHTOOL] = MLX4_DOMAIN_ETHTOOL, | |
1038 | [IB_FLOW_DOMAIN_RFS] = MLX4_DOMAIN_RFS, | |
1039 | [IB_FLOW_DOMAIN_NIC] = MLX4_DOMAIN_NIC, | |
1040 | }; | |
1041 | ||
1042 | if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) { | |
1043 | pr_err("Invalid priority value %d\n", flow_attr->priority); | |
1044 | return -EINVAL; | |
1045 | } | |
1046 | ||
1047 | if (domain >= IB_FLOW_DOMAIN_NUM) { | |
1048 | pr_err("Invalid domain value %d\n", domain); | |
1049 | return -EINVAL; | |
1050 | } | |
1051 | ||
1052 | if (mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0) | |
1053 | return -EINVAL; | |
1054 | ||
1055 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
1056 | if (IS_ERR(mailbox)) | |
1057 | return PTR_ERR(mailbox); | |
f77c0162 HHZ |
1058 | ctrl = mailbox->buf; |
1059 | ||
1060 | ctrl->prio = cpu_to_be16(__mlx4_domain[domain] | | |
1061 | flow_attr->priority); | |
1062 | ctrl->type = mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type); | |
1063 | ctrl->port = flow_attr->port; | |
1064 | ctrl->qpn = cpu_to_be32(qp->qp_num); | |
1065 | ||
1066 | ib_flow = flow_attr + 1; | |
1067 | size += sizeof(struct mlx4_net_trans_rule_hw_ctrl); | |
a37a1a42 MB |
1068 | /* Add default flows */ |
1069 | default_flow = __mlx4_ib_default_rules_match(qp, flow_attr); | |
1070 | if (default_flow >= 0) { | |
1071 | ret = __mlx4_ib_create_default_rules( | |
1072 | mdev, qp, default_table + default_flow, | |
1073 | mailbox->buf + size); | |
1074 | if (ret < 0) { | |
1075 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1076 | return -EINVAL; | |
1077 | } | |
1078 | size += ret; | |
1079 | } | |
f77c0162 | 1080 | for (i = 0; i < flow_attr->num_of_specs; i++) { |
a37a1a42 MB |
1081 | ret = parse_flow_attr(mdev->dev, qp->qp_num, ib_flow, |
1082 | mailbox->buf + size); | |
f77c0162 HHZ |
1083 | if (ret < 0) { |
1084 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1085 | return -EINVAL; | |
1086 | } | |
1087 | ib_flow += ((union ib_flow_spec *) ib_flow)->size; | |
1088 | size += ret; | |
1089 | } | |
1090 | ||
1091 | ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0, | |
1092 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
1093 | MLX4_CMD_NATIVE); | |
1094 | if (ret == -ENOMEM) | |
1095 | pr_err("mcg table is full. Fail to register network rule.\n"); | |
1096 | else if (ret == -ENXIO) | |
1097 | pr_err("Device managed flow steering is disabled. Fail to register network rule.\n"); | |
1098 | else if (ret) | |
1099 | pr_err("Invalid argumant. Fail to register network rule.\n"); | |
1100 | ||
1101 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1102 | return ret; | |
1103 | } | |
1104 | ||
1105 | static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id) | |
1106 | { | |
1107 | int err; | |
1108 | err = mlx4_cmd(dev, reg_id, 0, 0, | |
1109 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, | |
1110 | MLX4_CMD_NATIVE); | |
1111 | if (err) | |
1112 | pr_err("Fail to detach network rule. registration id = 0x%llx\n", | |
1113 | reg_id); | |
1114 | return err; | |
1115 | } | |
1116 | ||
d2fce8a9 OG |
1117 | static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
1118 | u64 *reg_id) | |
1119 | { | |
1120 | void *ib_flow; | |
1121 | union ib_flow_spec *ib_spec; | |
1122 | struct mlx4_dev *dev = to_mdev(qp->device)->dev; | |
1123 | int err = 0; | |
1124 | ||
5eff6dad OG |
1125 | if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN || |
1126 | dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) | |
d2fce8a9 OG |
1127 | return 0; /* do nothing */ |
1128 | ||
1129 | ib_flow = flow_attr + 1; | |
1130 | ib_spec = (union ib_flow_spec *)ib_flow; | |
1131 | ||
1132 | if (ib_spec->type != IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1) | |
1133 | return 0; /* do nothing */ | |
1134 | ||
1135 | err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac, | |
1136 | flow_attr->port, qp->qp_num, | |
1137 | MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff), | |
1138 | reg_id); | |
1139 | return err; | |
1140 | } | |
1141 | ||
f77c0162 HHZ |
1142 | static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, |
1143 | struct ib_flow_attr *flow_attr, | |
1144 | int domain) | |
1145 | { | |
146d6e19 | 1146 | int err = 0, i = 0, j = 0; |
f77c0162 HHZ |
1147 | struct mlx4_ib_flow *mflow; |
1148 | enum mlx4_net_trans_promisc_mode type[2]; | |
146d6e19 MS |
1149 | struct mlx4_dev *dev = (to_mdev(qp->device))->dev; |
1150 | int is_bonded = mlx4_is_bonded(dev); | |
f77c0162 HHZ |
1151 | |
1152 | memset(type, 0, sizeof(type)); | |
1153 | ||
1154 | mflow = kzalloc(sizeof(*mflow), GFP_KERNEL); | |
1155 | if (!mflow) { | |
1156 | err = -ENOMEM; | |
1157 | goto err_free; | |
1158 | } | |
1159 | ||
1160 | switch (flow_attr->type) { | |
1161 | case IB_FLOW_ATTR_NORMAL: | |
1162 | type[0] = MLX4_FS_REGULAR; | |
1163 | break; | |
1164 | ||
1165 | case IB_FLOW_ATTR_ALL_DEFAULT: | |
1166 | type[0] = MLX4_FS_ALL_DEFAULT; | |
1167 | break; | |
1168 | ||
1169 | case IB_FLOW_ATTR_MC_DEFAULT: | |
1170 | type[0] = MLX4_FS_MC_DEFAULT; | |
1171 | break; | |
1172 | ||
1173 | case IB_FLOW_ATTR_SNIFFER: | |
1174 | type[0] = MLX4_FS_UC_SNIFFER; | |
1175 | type[1] = MLX4_FS_MC_SNIFFER; | |
1176 | break; | |
1177 | ||
1178 | default: | |
1179 | err = -EINVAL; | |
1180 | goto err_free; | |
1181 | } | |
1182 | ||
1183 | while (i < ARRAY_SIZE(type) && type[i]) { | |
1184 | err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i], | |
146d6e19 | 1185 | &mflow->reg_id[i].id); |
f77c0162 | 1186 | if (err) |
571e1b2c | 1187 | goto err_create_flow; |
146d6e19 | 1188 | if (is_bonded) { |
824c25c1 MS |
1189 | /* Application always sees one port so the mirror rule |
1190 | * must be on port #2 | |
1191 | */ | |
146d6e19 MS |
1192 | flow_attr->port = 2; |
1193 | err = __mlx4_ib_create_flow(qp, flow_attr, | |
1194 | domain, type[j], | |
1195 | &mflow->reg_id[j].mirror); | |
1196 | flow_attr->port = 1; | |
1197 | if (err) | |
1198 | goto err_create_flow; | |
1199 | j++; | |
1200 | } | |
1201 | ||
11562568 | 1202 | i++; |
f77c0162 HHZ |
1203 | } |
1204 | ||
d2fce8a9 | 1205 | if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) { |
146d6e19 MS |
1206 | err = mlx4_ib_tunnel_steer_add(qp, flow_attr, |
1207 | &mflow->reg_id[i].id); | |
d2fce8a9 | 1208 | if (err) |
571e1b2c | 1209 | goto err_create_flow; |
11562568 | 1210 | |
146d6e19 MS |
1211 | if (is_bonded) { |
1212 | flow_attr->port = 2; | |
1213 | err = mlx4_ib_tunnel_steer_add(qp, flow_attr, | |
1214 | &mflow->reg_id[j].mirror); | |
1215 | flow_attr->port = 1; | |
1216 | if (err) | |
1217 | goto err_create_flow; | |
1218 | j++; | |
1219 | } | |
1220 | /* function to create mirror rule */ | |
11562568 | 1221 | i++; |
d2fce8a9 OG |
1222 | } |
1223 | ||
f77c0162 HHZ |
1224 | return &mflow->ibflow; |
1225 | ||
571e1b2c OG |
1226 | err_create_flow: |
1227 | while (i) { | |
146d6e19 MS |
1228 | (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev, |
1229 | mflow->reg_id[i].id); | |
571e1b2c OG |
1230 | i--; |
1231 | } | |
146d6e19 MS |
1232 | |
1233 | while (j) { | |
1234 | (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev, | |
1235 | mflow->reg_id[j].mirror); | |
1236 | j--; | |
1237 | } | |
f77c0162 HHZ |
1238 | err_free: |
1239 | kfree(mflow); | |
1240 | return ERR_PTR(err); | |
1241 | } | |
1242 | ||
1243 | static int mlx4_ib_destroy_flow(struct ib_flow *flow_id) | |
1244 | { | |
1245 | int err, ret = 0; | |
1246 | int i = 0; | |
1247 | struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device); | |
1248 | struct mlx4_ib_flow *mflow = to_mflow(flow_id); | |
1249 | ||
146d6e19 MS |
1250 | while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i].id) { |
1251 | err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i].id); | |
f77c0162 HHZ |
1252 | if (err) |
1253 | ret = err; | |
146d6e19 MS |
1254 | if (mflow->reg_id[i].mirror) { |
1255 | err = __mlx4_ib_destroy_flow(mdev->dev, | |
1256 | mflow->reg_id[i].mirror); | |
1257 | if (err) | |
1258 | ret = err; | |
1259 | } | |
f77c0162 HHZ |
1260 | i++; |
1261 | } | |
1262 | ||
1263 | kfree(mflow); | |
1264 | return ret; | |
1265 | } | |
1266 | ||
225c7b1f RD |
1267 | static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
1268 | { | |
fa417f7b EC |
1269 | int err; |
1270 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
146d6e19 | 1271 | struct mlx4_dev *dev = mdev->dev; |
fa417f7b | 1272 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
0ff1fb65 | 1273 | struct mlx4_ib_steering *ib_steering = NULL; |
e9a7faf1 | 1274 | enum mlx4_protocol prot = MLX4_PROT_IB_IPV6; |
146d6e19 | 1275 | struct mlx4_flow_reg_id reg_id; |
0ff1fb65 HHZ |
1276 | |
1277 | if (mdev->dev->caps.steering_mode == | |
1278 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1279 | ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL); | |
1280 | if (!ib_steering) | |
1281 | return -ENOMEM; | |
1282 | } | |
fa417f7b | 1283 | |
0ff1fb65 HHZ |
1284 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port, |
1285 | !!(mqp->flags & | |
1286 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), | |
146d6e19 | 1287 | prot, ®_id.id); |
e9a7faf1 OG |
1288 | if (err) { |
1289 | pr_err("multicast attach op failed, err %d\n", err); | |
0ff1fb65 | 1290 | goto err_malloc; |
e9a7faf1 | 1291 | } |
fa417f7b | 1292 | |
146d6e19 MS |
1293 | reg_id.mirror = 0; |
1294 | if (mlx4_is_bonded(dev)) { | |
824c25c1 MS |
1295 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, |
1296 | (mqp->port == 1) ? 2 : 1, | |
146d6e19 MS |
1297 | !!(mqp->flags & |
1298 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), | |
1299 | prot, ®_id.mirror); | |
1300 | if (err) | |
1301 | goto err_add; | |
1302 | } | |
1303 | ||
fa417f7b EC |
1304 | err = add_gid_entry(ibqp, gid); |
1305 | if (err) | |
1306 | goto err_add; | |
1307 | ||
0ff1fb65 HHZ |
1308 | if (ib_steering) { |
1309 | memcpy(ib_steering->gid.raw, gid->raw, 16); | |
1310 | ib_steering->reg_id = reg_id; | |
1311 | mutex_lock(&mqp->mutex); | |
1312 | list_add(&ib_steering->list, &mqp->steering_rules); | |
1313 | mutex_unlock(&mqp->mutex); | |
1314 | } | |
fa417f7b EC |
1315 | return 0; |
1316 | ||
1317 | err_add: | |
0ff1fb65 | 1318 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
146d6e19 MS |
1319 | prot, reg_id.id); |
1320 | if (reg_id.mirror) | |
1321 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, | |
1322 | prot, reg_id.mirror); | |
0ff1fb65 HHZ |
1323 | err_malloc: |
1324 | kfree(ib_steering); | |
1325 | ||
fa417f7b EC |
1326 | return err; |
1327 | } | |
1328 | ||
1329 | static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) | |
1330 | { | |
1331 | struct mlx4_ib_gid_entry *ge; | |
1332 | struct mlx4_ib_gid_entry *tmp; | |
1333 | struct mlx4_ib_gid_entry *ret = NULL; | |
1334 | ||
1335 | list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { | |
1336 | if (!memcmp(raw, ge->gid.raw, 16)) { | |
1337 | ret = ge; | |
1338 | break; | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | return ret; | |
225c7b1f RD |
1343 | } |
1344 | ||
1345 | static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
1346 | { | |
fa417f7b EC |
1347 | int err; |
1348 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
146d6e19 | 1349 | struct mlx4_dev *dev = mdev->dev; |
fa417f7b | 1350 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
fa417f7b EC |
1351 | struct net_device *ndev; |
1352 | struct mlx4_ib_gid_entry *ge; | |
146d6e19 | 1353 | struct mlx4_flow_reg_id reg_id = {0, 0}; |
e9a7faf1 | 1354 | enum mlx4_protocol prot = MLX4_PROT_IB_IPV6; |
0ff1fb65 HHZ |
1355 | |
1356 | if (mdev->dev->caps.steering_mode == | |
1357 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1358 | struct mlx4_ib_steering *ib_steering; | |
1359 | ||
1360 | mutex_lock(&mqp->mutex); | |
1361 | list_for_each_entry(ib_steering, &mqp->steering_rules, list) { | |
1362 | if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) { | |
1363 | list_del(&ib_steering->list); | |
1364 | break; | |
1365 | } | |
1366 | } | |
1367 | mutex_unlock(&mqp->mutex); | |
1368 | if (&ib_steering->list == &mqp->steering_rules) { | |
1369 | pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n"); | |
1370 | return -EINVAL; | |
1371 | } | |
1372 | reg_id = ib_steering->reg_id; | |
1373 | kfree(ib_steering); | |
1374 | } | |
fa417f7b | 1375 | |
0ff1fb65 | 1376 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
146d6e19 | 1377 | prot, reg_id.id); |
fa417f7b EC |
1378 | if (err) |
1379 | return err; | |
1380 | ||
146d6e19 MS |
1381 | if (mlx4_is_bonded(dev)) { |
1382 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, | |
1383 | prot, reg_id.mirror); | |
1384 | if (err) | |
1385 | return err; | |
1386 | } | |
1387 | ||
fa417f7b EC |
1388 | mutex_lock(&mqp->mutex); |
1389 | ge = find_gid_entry(mqp, gid->raw); | |
1390 | if (ge) { | |
dba3ad2a | 1391 | spin_lock_bh(&mdev->iboe.lock); |
fa417f7b EC |
1392 | ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; |
1393 | if (ndev) | |
1394 | dev_hold(ndev); | |
dba3ad2a | 1395 | spin_unlock_bh(&mdev->iboe.lock); |
d487ee77 | 1396 | if (ndev) |
fa417f7b | 1397 | dev_put(ndev); |
fa417f7b EC |
1398 | list_del(&ge->list); |
1399 | kfree(ge); | |
1400 | } else | |
987c8f8f | 1401 | pr_warn("could not find mgid entry\n"); |
fa417f7b EC |
1402 | |
1403 | mutex_unlock(&mqp->mutex); | |
1404 | ||
1405 | return 0; | |
225c7b1f RD |
1406 | } |
1407 | ||
1408 | static int init_node_data(struct mlx4_ib_dev *dev) | |
1409 | { | |
1410 | struct ib_smp *in_mad = NULL; | |
1411 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 1412 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
1413 | int err = -ENOMEM; |
1414 | ||
1415 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
1416 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
1417 | if (!in_mad || !out_mad) | |
1418 | goto out; | |
1419 | ||
1420 | init_query_mad(in_mad); | |
1421 | in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; | |
0a9a0188 JM |
1422 | if (mlx4_is_master(dev->dev)) |
1423 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
225c7b1f | 1424 | |
0a9a0188 | 1425 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
1426 | if (err) |
1427 | goto out; | |
1428 | ||
1429 | memcpy(dev->ib_dev.node_desc, out_mad->data, 64); | |
1430 | ||
1431 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
1432 | ||
0a9a0188 | 1433 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
1434 | if (err) |
1435 | goto out; | |
1436 | ||
992e8e6e | 1437 | dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
225c7b1f RD |
1438 | memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8); |
1439 | ||
1440 | out: | |
1441 | kfree(in_mad); | |
1442 | kfree(out_mad); | |
1443 | return err; | |
1444 | } | |
1445 | ||
f4e91eb4 TJ |
1446 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, |
1447 | char *buf) | |
cd9281d8 | 1448 | { |
f4e91eb4 TJ |
1449 | struct mlx4_ib_dev *dev = |
1450 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
872bf2fb | 1451 | return sprintf(buf, "MT%d\n", dev->dev->persist->pdev->device); |
cd9281d8 JM |
1452 | } |
1453 | ||
f4e91eb4 TJ |
1454 | static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, |
1455 | char *buf) | |
cd9281d8 | 1456 | { |
f4e91eb4 TJ |
1457 | struct mlx4_ib_dev *dev = |
1458 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1459 | return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32), |
1460 | (int) (dev->dev->caps.fw_ver >> 16) & 0xffff, | |
1461 | (int) dev->dev->caps.fw_ver & 0xffff); | |
1462 | } | |
1463 | ||
f4e91eb4 TJ |
1464 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
1465 | char *buf) | |
cd9281d8 | 1466 | { |
f4e91eb4 TJ |
1467 | struct mlx4_ib_dev *dev = |
1468 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1469 | return sprintf(buf, "%x\n", dev->dev->rev_id); |
1470 | } | |
1471 | ||
f4e91eb4 TJ |
1472 | static ssize_t show_board(struct device *device, struct device_attribute *attr, |
1473 | char *buf) | |
cd9281d8 | 1474 | { |
f4e91eb4 TJ |
1475 | struct mlx4_ib_dev *dev = |
1476 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
1477 | return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, | |
1478 | dev->dev->board_id); | |
cd9281d8 JM |
1479 | } |
1480 | ||
f4e91eb4 TJ |
1481 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); |
1482 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
1483 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); | |
1484 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
cd9281d8 | 1485 | |
f4e91eb4 TJ |
1486 | static struct device_attribute *mlx4_class_attributes[] = { |
1487 | &dev_attr_hw_rev, | |
1488 | &dev_attr_fw_ver, | |
1489 | &dev_attr_hca_type, | |
1490 | &dev_attr_board_id | |
cd9281d8 JM |
1491 | }; |
1492 | ||
acc4fccf MS |
1493 | static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, |
1494 | struct net_device *dev) | |
1495 | { | |
1496 | memcpy(eui, dev->dev_addr, 3); | |
1497 | memcpy(eui + 5, dev->dev_addr + 3, 3); | |
1498 | if (vlan_id < 0x1000) { | |
1499 | eui[3] = vlan_id >> 8; | |
1500 | eui[4] = vlan_id & 0xff; | |
1501 | } else { | |
1502 | eui[3] = 0xff; | |
1503 | eui[4] = 0xfe; | |
1504 | } | |
1505 | eui[0] ^= 2; | |
1506 | } | |
1507 | ||
fa417f7b EC |
1508 | static void update_gids_task(struct work_struct *work) |
1509 | { | |
1510 | struct update_gid_work *gw = container_of(work, struct update_gid_work, work); | |
1511 | struct mlx4_cmd_mailbox *mailbox; | |
1512 | union ib_gid *gids; | |
1513 | int err; | |
1514 | struct mlx4_dev *dev = gw->dev->dev; | |
a5750090 | 1515 | int is_bonded = mlx4_is_bonded(dev); |
fa417f7b | 1516 | |
4bf9715f MS |
1517 | if (!gw->dev->ib_active) |
1518 | return; | |
1519 | ||
fa417f7b EC |
1520 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1521 | if (IS_ERR(mailbox)) { | |
987c8f8f | 1522 | pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox)); |
fa417f7b EC |
1523 | return; |
1524 | } | |
1525 | ||
1526 | gids = mailbox->buf; | |
1527 | memcpy(gids, gw->gids, sizeof gw->gids); | |
1528 | ||
1529 | err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
a130b590 IS |
1530 | MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, |
1531 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); | |
fa417f7b | 1532 | if (err) |
987c8f8f | 1533 | pr_warn("set port command failed\n"); |
d487ee77 | 1534 | else |
a5750090 MS |
1535 | if ((gw->port == 1) || !is_bonded) |
1536 | mlx4_ib_dispatch_event(gw->dev, | |
1537 | is_bonded ? 1 : gw->port, | |
1538 | IB_EVENT_GID_CHANGE); | |
fa417f7b EC |
1539 | |
1540 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1541 | kfree(gw); | |
1542 | } | |
1543 | ||
d487ee77 | 1544 | static void reset_gids_task(struct work_struct *work) |
fa417f7b | 1545 | { |
d487ee77 MS |
1546 | struct update_gid_work *gw = |
1547 | container_of(work, struct update_gid_work, work); | |
1548 | struct mlx4_cmd_mailbox *mailbox; | |
1549 | union ib_gid *gids; | |
1550 | int err; | |
d487ee77 | 1551 | struct mlx4_dev *dev = gw->dev->dev; |
fa417f7b | 1552 | |
4bf9715f MS |
1553 | if (!gw->dev->ib_active) |
1554 | return; | |
1555 | ||
d487ee77 MS |
1556 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1557 | if (IS_ERR(mailbox)) { | |
1558 | pr_warn("reset gid table failed\n"); | |
1559 | goto free; | |
1560 | } | |
fa417f7b | 1561 | |
d487ee77 MS |
1562 | gids = mailbox->buf; |
1563 | memcpy(gids, gw->gids, sizeof(gw->gids)); | |
1564 | ||
5071456f MS |
1565 | if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) == |
1566 | IB_LINK_LAYER_ETHERNET) { | |
1567 | err = mlx4_cmd(dev, mailbox->dma, | |
1568 | MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
a130b590 | 1569 | MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, |
5071456f MS |
1570 | MLX4_CMD_TIME_CLASS_B, |
1571 | MLX4_CMD_WRAPPED); | |
1572 | if (err) | |
f4f01b54 | 1573 | pr_warn("set port %d command failed\n", gw->port); |
4c3eb3ca EC |
1574 | } |
1575 | ||
d487ee77 MS |
1576 | mlx4_free_cmd_mailbox(dev, mailbox); |
1577 | free: | |
1578 | kfree(gw); | |
1579 | } | |
4c3eb3ca | 1580 | |
d487ee77 | 1581 | static int update_gid_table(struct mlx4_ib_dev *dev, int port, |
acc4fccf MS |
1582 | union ib_gid *gid, int clear, |
1583 | int default_gid) | |
d487ee77 MS |
1584 | { |
1585 | struct update_gid_work *work; | |
1586 | int i; | |
1587 | int need_update = 0; | |
1588 | int free = -1; | |
1589 | int found = -1; | |
1590 | int max_gids; | |
1591 | ||
acc4fccf MS |
1592 | if (default_gid) { |
1593 | free = 0; | |
1594 | } else { | |
1595 | max_gids = dev->dev->caps.gid_table_len[port]; | |
1596 | for (i = 1; i < max_gids; ++i) { | |
1597 | if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, | |
d487ee77 | 1598 | sizeof(*gid))) |
acc4fccf MS |
1599 | found = i; |
1600 | ||
1601 | if (clear) { | |
1602 | if (found >= 0) { | |
1603 | need_update = 1; | |
1604 | dev->iboe.gid_table[port - 1][found] = | |
1605 | zgid; | |
1606 | break; | |
1607 | } | |
1608 | } else { | |
1609 | if (found >= 0) | |
1610 | break; | |
1611 | ||
1612 | if (free < 0 && | |
1613 | !memcmp(&dev->iboe.gid_table[port - 1][i], | |
1614 | &zgid, sizeof(*gid))) | |
1615 | free = i; | |
1616 | } | |
4c3eb3ca | 1617 | } |
fa417f7b | 1618 | } |
4c3eb3ca | 1619 | |
d487ee77 MS |
1620 | if (found == -1 && !clear && free >= 0) { |
1621 | dev->iboe.gid_table[port - 1][free] = *gid; | |
1622 | need_update = 1; | |
1623 | } | |
fa417f7b | 1624 | |
d487ee77 MS |
1625 | if (!need_update) |
1626 | return 0; | |
1627 | ||
1628 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
1629 | if (!work) | |
1630 | return -ENOMEM; | |
1631 | ||
1632 | memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof(work->gids)); | |
1633 | INIT_WORK(&work->work, update_gids_task); | |
1634 | work->port = port; | |
1635 | work->dev = dev; | |
1636 | queue_work(wq, &work->work); | |
fa417f7b EC |
1637 | |
1638 | return 0; | |
d487ee77 | 1639 | } |
4c3eb3ca | 1640 | |
acc4fccf | 1641 | static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid) |
d487ee77 | 1642 | { |
acc4fccf MS |
1643 | gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); |
1644 | mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev); | |
1645 | } | |
1646 | ||
d487ee77 | 1647 | |
5071456f | 1648 | static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port) |
d487ee77 MS |
1649 | { |
1650 | struct update_gid_work *work; | |
d487ee77 MS |
1651 | |
1652 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
1653 | if (!work) | |
1654 | return -ENOMEM; | |
5071456f MS |
1655 | |
1656 | memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids)); | |
d487ee77 MS |
1657 | memset(work->gids, 0, sizeof(work->gids)); |
1658 | INIT_WORK(&work->work, reset_gids_task); | |
1659 | work->dev = dev; | |
5071456f | 1660 | work->port = port; |
d487ee77 MS |
1661 | queue_work(wq, &work->work); |
1662 | return 0; | |
fa417f7b EC |
1663 | } |
1664 | ||
d487ee77 MS |
1665 | static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, |
1666 | struct mlx4_ib_dev *ibdev, union ib_gid *gid) | |
fa417f7b | 1667 | { |
d487ee77 MS |
1668 | struct mlx4_ib_iboe *iboe; |
1669 | int port = 0; | |
1670 | struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ? | |
1671 | rdma_vlan_dev_real_dev(event_netdev) : | |
1672 | event_netdev; | |
acc4fccf MS |
1673 | union ib_gid default_gid; |
1674 | ||
1675 | mlx4_make_default_gid(real_dev, &default_gid); | |
1676 | ||
1677 | if (!memcmp(gid, &default_gid, sizeof(*gid))) | |
1678 | return 0; | |
d487ee77 MS |
1679 | |
1680 | if (event != NETDEV_DOWN && event != NETDEV_UP) | |
1681 | return 0; | |
1682 | ||
1683 | if ((real_dev != event_netdev) && | |
1684 | (event == NETDEV_DOWN) && | |
1685 | rdma_link_local_addr((struct in6_addr *)gid)) | |
1686 | return 0; | |
1687 | ||
1688 | iboe = &ibdev->iboe; | |
dba3ad2a | 1689 | spin_lock_bh(&iboe->lock); |
d487ee77 | 1690 | |
82373701 | 1691 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) |
d487ee77 MS |
1692 | if ((netif_is_bond_master(real_dev) && |
1693 | (real_dev == iboe->masters[port - 1])) || | |
1694 | (!netif_is_bond_master(real_dev) && | |
1695 | (real_dev == iboe->netdevs[port - 1]))) | |
1696 | update_gid_table(ibdev, port, gid, | |
acc4fccf | 1697 | event == NETDEV_DOWN, 0); |
d487ee77 | 1698 | |
dba3ad2a | 1699 | spin_unlock_bh(&iboe->lock); |
d487ee77 | 1700 | return 0; |
fa417f7b | 1701 | |
fa417f7b EC |
1702 | } |
1703 | ||
d487ee77 MS |
1704 | static u8 mlx4_ib_get_dev_port(struct net_device *dev, |
1705 | struct mlx4_ib_dev *ibdev) | |
fa417f7b | 1706 | { |
d487ee77 MS |
1707 | u8 port = 0; |
1708 | struct mlx4_ib_iboe *iboe; | |
1709 | struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ? | |
1710 | rdma_vlan_dev_real_dev(dev) : dev; | |
1711 | ||
1712 | iboe = &ibdev->iboe; | |
d487ee77 | 1713 | |
82373701 | 1714 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) |
d487ee77 MS |
1715 | if ((netif_is_bond_master(real_dev) && |
1716 | (real_dev == iboe->masters[port - 1])) || | |
1717 | (!netif_is_bond_master(real_dev) && | |
1718 | (real_dev == iboe->netdevs[port - 1]))) | |
1719 | break; | |
1720 | ||
82373701 | 1721 | if ((port == 0) || (port > ibdev->dev->caps.num_ports)) |
d487ee77 MS |
1722 | return 0; |
1723 | else | |
1724 | return port; | |
fa417f7b EC |
1725 | } |
1726 | ||
d487ee77 MS |
1727 | static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event, |
1728 | void *ptr) | |
fa417f7b | 1729 | { |
d487ee77 MS |
1730 | struct mlx4_ib_dev *ibdev; |
1731 | struct in_ifaddr *ifa = ptr; | |
1732 | union ib_gid gid; | |
1733 | struct net_device *event_netdev = ifa->ifa_dev->dev; | |
1734 | ||
1735 | ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid); | |
1736 | ||
1737 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet); | |
1738 | ||
1739 | mlx4_ib_addr_event(event, event_netdev, ibdev, &gid); | |
1740 | return NOTIFY_DONE; | |
fa417f7b EC |
1741 | } |
1742 | ||
27cdef63 | 1743 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 | 1744 | static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event, |
fa417f7b EC |
1745 | void *ptr) |
1746 | { | |
fa417f7b | 1747 | struct mlx4_ib_dev *ibdev; |
d487ee77 MS |
1748 | struct inet6_ifaddr *ifa = ptr; |
1749 | union ib_gid *gid = (union ib_gid *)&ifa->addr; | |
1750 | struct net_device *event_netdev = ifa->idev->dev; | |
1751 | ||
1752 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet6); | |
1753 | ||
1754 | mlx4_ib_addr_event(event, event_netdev, ibdev, gid); | |
1755 | return NOTIFY_DONE; | |
1756 | } | |
1757 | #endif | |
1758 | ||
9433c188 MB |
1759 | #define MLX4_IB_INVALID_MAC ((u64)-1) |
1760 | static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev, | |
1761 | struct net_device *dev, | |
1762 | int port) | |
1763 | { | |
1764 | u64 new_smac = 0; | |
1765 | u64 release_mac = MLX4_IB_INVALID_MAC; | |
1766 | struct mlx4_ib_qp *qp; | |
1767 | ||
1768 | read_lock(&dev_base_lock); | |
1769 | new_smac = mlx4_mac_to_u64(dev->dev_addr); | |
1770 | read_unlock(&dev_base_lock); | |
1771 | ||
3e0629cb JM |
1772 | atomic64_set(&ibdev->iboe.mac[port - 1], new_smac); |
1773 | ||
d24d9f43 JM |
1774 | /* no need for update QP1 and mac registration in non-SRIOV */ |
1775 | if (!mlx4_is_mfunc(ibdev->dev)) | |
1776 | return; | |
1777 | ||
9433c188 MB |
1778 | mutex_lock(&ibdev->qp1_proxy_lock[port - 1]); |
1779 | qp = ibdev->qp1_proxy[port - 1]; | |
1780 | if (qp) { | |
1781 | int new_smac_index; | |
25476b02 | 1782 | u64 old_smac; |
9433c188 MB |
1783 | struct mlx4_update_qp_params update_params; |
1784 | ||
25476b02 JM |
1785 | mutex_lock(&qp->mutex); |
1786 | old_smac = qp->pri.smac; | |
9433c188 MB |
1787 | if (new_smac == old_smac) |
1788 | goto unlock; | |
1789 | ||
1790 | new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac); | |
1791 | ||
1792 | if (new_smac_index < 0) | |
1793 | goto unlock; | |
1794 | ||
1795 | update_params.smac_index = new_smac_index; | |
09e05c3f | 1796 | if (mlx4_update_qp(ibdev->dev, qp->mqp.qpn, MLX4_UPDATE_QP_SMAC, |
9433c188 MB |
1797 | &update_params)) { |
1798 | release_mac = new_smac; | |
1799 | goto unlock; | |
1800 | } | |
25476b02 JM |
1801 | /* if old port was zero, no mac was yet registered for this QP */ |
1802 | if (qp->pri.smac_port) | |
1803 | release_mac = old_smac; | |
9433c188 | 1804 | qp->pri.smac = new_smac; |
25476b02 | 1805 | qp->pri.smac_port = port; |
9433c188 | 1806 | qp->pri.smac_index = new_smac_index; |
9433c188 MB |
1807 | } |
1808 | ||
1809 | unlock: | |
9433c188 MB |
1810 | if (release_mac != MLX4_IB_INVALID_MAC) |
1811 | mlx4_unregister_mac(ibdev->dev, port, release_mac); | |
25476b02 JM |
1812 | if (qp) |
1813 | mutex_unlock(&qp->mutex); | |
1814 | mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]); | |
9433c188 MB |
1815 | } |
1816 | ||
d487ee77 MS |
1817 | static void mlx4_ib_get_dev_addr(struct net_device *dev, |
1818 | struct mlx4_ib_dev *ibdev, u8 port) | |
1819 | { | |
1820 | struct in_device *in_dev; | |
27cdef63 | 1821 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
1822 | struct inet6_dev *in6_dev; |
1823 | union ib_gid *pgid; | |
1824 | struct inet6_ifaddr *ifp; | |
f5c4834d | 1825 | union ib_gid default_gid; |
d487ee77 MS |
1826 | #endif |
1827 | union ib_gid gid; | |
1828 | ||
1829 | ||
82373701 | 1830 | if ((port == 0) || (port > ibdev->dev->caps.num_ports)) |
d487ee77 MS |
1831 | return; |
1832 | ||
1833 | /* IPv4 gids */ | |
1834 | in_dev = in_dev_get(dev); | |
1835 | if (in_dev) { | |
1836 | for_ifa(in_dev) { | |
1837 | /*ifa->ifa_address;*/ | |
1838 | ipv6_addr_set_v4mapped(ifa->ifa_address, | |
1839 | (struct in6_addr *)&gid); | |
acc4fccf | 1840 | update_gid_table(ibdev, port, &gid, 0, 0); |
d487ee77 MS |
1841 | } |
1842 | endfor_ifa(in_dev); | |
1843 | in_dev_put(in_dev); | |
1844 | } | |
27cdef63 | 1845 | #if IS_ENABLED(CONFIG_IPV6) |
f5c4834d | 1846 | mlx4_make_default_gid(dev, &default_gid); |
d487ee77 MS |
1847 | /* IPv6 gids */ |
1848 | in6_dev = in6_dev_get(dev); | |
1849 | if (in6_dev) { | |
1850 | read_lock_bh(&in6_dev->lock); | |
1851 | list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { | |
1852 | pgid = (union ib_gid *)&ifp->addr; | |
f5c4834d MS |
1853 | if (!memcmp(pgid, &default_gid, sizeof(*pgid))) |
1854 | continue; | |
acc4fccf | 1855 | update_gid_table(ibdev, port, pgid, 0, 0); |
d487ee77 MS |
1856 | } |
1857 | read_unlock_bh(&in6_dev->lock); | |
1858 | in6_dev_put(in6_dev); | |
1859 | } | |
1860 | #endif | |
1861 | } | |
1862 | ||
acc4fccf MS |
1863 | static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev, |
1864 | struct net_device *dev, u8 port) | |
1865 | { | |
1866 | union ib_gid gid; | |
1867 | mlx4_make_default_gid(dev, &gid); | |
1868 | update_gid_table(ibdev, port, &gid, 0, 1); | |
1869 | } | |
1870 | ||
d487ee77 MS |
1871 | static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) |
1872 | { | |
1873 | struct net_device *dev; | |
ddf8bd34 | 1874 | struct mlx4_ib_iboe *iboe = &ibdev->iboe; |
5071456f | 1875 | int i; |
655b2aae | 1876 | int err = 0; |
d487ee77 | 1877 | |
655b2aae MS |
1878 | for (i = 1; i <= ibdev->num_ports; ++i) { |
1879 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) == | |
1880 | IB_LINK_LAYER_ETHERNET) { | |
1881 | err = reset_gid_table(ibdev, i); | |
1882 | if (err) | |
1883 | goto out; | |
1884 | } | |
1885 | } | |
d487ee77 MS |
1886 | |
1887 | read_lock(&dev_base_lock); | |
dba3ad2a | 1888 | spin_lock_bh(&iboe->lock); |
d487ee77 MS |
1889 | |
1890 | for_each_netdev(&init_net, dev) { | |
1891 | u8 port = mlx4_ib_get_dev_port(dev, ibdev); | |
655b2aae MS |
1892 | /* port will be non-zero only for ETH ports */ |
1893 | if (port) { | |
1894 | mlx4_ib_set_default_gid(ibdev, dev, port); | |
d487ee77 | 1895 | mlx4_ib_get_dev_addr(dev, ibdev, port); |
655b2aae | 1896 | } |
d487ee77 MS |
1897 | } |
1898 | ||
dba3ad2a | 1899 | spin_unlock_bh(&iboe->lock); |
d487ee77 | 1900 | read_unlock(&dev_base_lock); |
655b2aae MS |
1901 | out: |
1902 | return err; | |
d487ee77 MS |
1903 | } |
1904 | ||
9433c188 MB |
1905 | static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev, |
1906 | struct net_device *dev, | |
1907 | unsigned long event) | |
1908 | ||
d487ee77 | 1909 | { |
fa417f7b | 1910 | struct mlx4_ib_iboe *iboe; |
9433c188 | 1911 | int update_qps_port = -1; |
fa417f7b EC |
1912 | int port; |
1913 | ||
fa417f7b EC |
1914 | iboe = &ibdev->iboe; |
1915 | ||
dba3ad2a | 1916 | spin_lock_bh(&iboe->lock); |
fa417f7b | 1917 | mlx4_foreach_ib_transport_port(port, ibdev->dev) { |
ad4885d2 | 1918 | enum ib_port_state port_state = IB_PORT_NOP; |
d487ee77 | 1919 | struct net_device *old_master = iboe->masters[port - 1]; |
ad4885d2 | 1920 | struct net_device *curr_netdev; |
d487ee77 | 1921 | struct net_device *curr_master; |
ad4885d2 | 1922 | |
fa417f7b | 1923 | iboe->netdevs[port - 1] = |
0345584e | 1924 | mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); |
acc4fccf MS |
1925 | if (iboe->netdevs[port - 1]) |
1926 | mlx4_ib_set_default_gid(ibdev, | |
1927 | iboe->netdevs[port - 1], port); | |
ad4885d2 | 1928 | curr_netdev = iboe->netdevs[port - 1]; |
d487ee77 MS |
1929 | |
1930 | if (iboe->netdevs[port - 1] && | |
1931 | netif_is_bond_slave(iboe->netdevs[port - 1])) { | |
d487ee77 MS |
1932 | iboe->masters[port - 1] = netdev_master_upper_dev_get( |
1933 | iboe->netdevs[port - 1]); | |
ad4885d2 MS |
1934 | } else { |
1935 | iboe->masters[port - 1] = NULL; | |
fa417f7b | 1936 | } |
d487ee77 | 1937 | curr_master = iboe->masters[port - 1]; |
fa417f7b | 1938 | |
9433c188 MB |
1939 | if (dev == iboe->netdevs[port - 1] && |
1940 | (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER || | |
1941 | event == NETDEV_UP || event == NETDEV_CHANGE)) | |
1942 | update_qps_port = port; | |
1943 | ||
ad4885d2 MS |
1944 | if (curr_netdev) { |
1945 | port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ? | |
1946 | IB_PORT_ACTIVE : IB_PORT_DOWN; | |
1947 | mlx4_ib_set_default_gid(ibdev, curr_netdev, port); | |
bccb84f1 MS |
1948 | if (curr_master) { |
1949 | /* if using bonding/team and a slave port is down, we | |
1950 | * don't want the bond IP based gids in the table since | |
1951 | * flows that select port by gid may get the down port. | |
1952 | */ | |
a5750090 MS |
1953 | if (port_state == IB_PORT_DOWN && |
1954 | !mlx4_is_bonded(ibdev->dev)) { | |
bccb84f1 MS |
1955 | reset_gid_table(ibdev, port); |
1956 | mlx4_ib_set_default_gid(ibdev, | |
1957 | curr_netdev, | |
1958 | port); | |
1959 | } else { | |
1960 | /* gids from the upper dev (bond/team) | |
1961 | * should appear in port's gid table | |
1962 | */ | |
1963 | mlx4_ib_get_dev_addr(curr_master, | |
1964 | ibdev, port); | |
1965 | } | |
e381835c MS |
1966 | } |
1967 | /* if bonding is used it is possible that we add it to | |
1968 | * masters only after IP address is assigned to the | |
1969 | * net bonding interface. | |
1970 | */ | |
1971 | if (curr_master && (old_master != curr_master)) { | |
1972 | reset_gid_table(ibdev, port); | |
1973 | mlx4_ib_set_default_gid(ibdev, | |
1974 | curr_netdev, port); | |
1975 | mlx4_ib_get_dev_addr(curr_master, ibdev, port); | |
1976 | } | |
ad4885d2 | 1977 | |
e381835c MS |
1978 | if (!curr_master && (old_master != curr_master)) { |
1979 | reset_gid_table(ibdev, port); | |
1980 | mlx4_ib_set_default_gid(ibdev, | |
1981 | curr_netdev, port); | |
1982 | mlx4_ib_get_dev_addr(curr_netdev, ibdev, port); | |
1983 | } | |
1984 | } else { | |
ad4885d2 | 1985 | reset_gid_table(ibdev, port); |
ad4885d2 | 1986 | } |
d487ee77 | 1987 | } |
fa417f7b | 1988 | |
dba3ad2a | 1989 | spin_unlock_bh(&iboe->lock); |
9433c188 MB |
1990 | |
1991 | if (update_qps_port > 0) | |
1992 | mlx4_ib_update_qps(ibdev, dev, update_qps_port); | |
d487ee77 MS |
1993 | } |
1994 | ||
1995 | static int mlx4_ib_netdev_event(struct notifier_block *this, | |
1996 | unsigned long event, void *ptr) | |
1997 | { | |
1998 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | |
1999 | struct mlx4_ib_dev *ibdev; | |
2000 | ||
2001 | if (!net_eq(dev_net(dev), &init_net)) | |
2002 | return NOTIFY_DONE; | |
2003 | ||
2004 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); | |
9433c188 | 2005 | mlx4_ib_scan_netdevs(ibdev, dev, event); |
fa417f7b EC |
2006 | |
2007 | return NOTIFY_DONE; | |
2008 | } | |
2009 | ||
54679e14 JM |
2010 | static void init_pkeys(struct mlx4_ib_dev *ibdev) |
2011 | { | |
2012 | int port; | |
2013 | int slave; | |
2014 | int i; | |
2015 | ||
2016 | if (mlx4_is_master(ibdev->dev)) { | |
872bf2fb YH |
2017 | for (slave = 0; slave <= ibdev->dev->persist->num_vfs; |
2018 | ++slave) { | |
54679e14 JM |
2019 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { |
2020 | for (i = 0; | |
2021 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
2022 | ++i) { | |
2023 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] = | |
2024 | /* master has the identity virt2phys pkey mapping */ | |
2025 | (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i : | |
2026 | ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1; | |
2027 | mlx4_sync_pkey_table(ibdev->dev, slave, port, i, | |
2028 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]); | |
2029 | } | |
2030 | } | |
2031 | } | |
2032 | /* initialize pkey cache */ | |
2033 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { | |
2034 | for (i = 0; | |
2035 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
2036 | ++i) | |
2037 | ibdev->pkeys.phys_pkey_cache[port-1][i] = | |
2038 | (i) ? 0 : 0xFFFF; | |
2039 | } | |
2040 | } | |
2041 | } | |
2042 | ||
e605b743 SP |
2043 | static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) |
2044 | { | |
4661bd79 | 2045 | char name[80]; |
e605b743 SP |
2046 | int eq_per_port = 0; |
2047 | int added_eqs = 0; | |
2048 | int total_eqs = 0; | |
2049 | int i, j, eq; | |
2050 | ||
3aac6ff1 SP |
2051 | /* Legacy mode or comp_pool is not large enough */ |
2052 | if (dev->caps.comp_pool == 0 || | |
2053 | dev->caps.num_ports > dev->caps.comp_pool) | |
e605b743 SP |
2054 | return; |
2055 | ||
7ae0e400 | 2056 | eq_per_port = dev->caps.comp_pool / dev->caps.num_ports; |
e605b743 SP |
2057 | |
2058 | /* Init eq table */ | |
2059 | added_eqs = 0; | |
2060 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
2061 | added_eqs += eq_per_port; | |
2062 | ||
2063 | total_eqs = dev->caps.num_comp_vectors + added_eqs; | |
2064 | ||
2065 | ibdev->eq_table = kzalloc(total_eqs * sizeof(int), GFP_KERNEL); | |
2066 | if (!ibdev->eq_table) | |
2067 | return; | |
2068 | ||
2069 | ibdev->eq_added = added_eqs; | |
2070 | ||
2071 | eq = 0; | |
2072 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) { | |
2073 | for (j = 0; j < eq_per_port; j++) { | |
4661bd79 | 2074 | snprintf(name, sizeof(name), "mlx4-ib-%d-%d@%s", |
872bf2fb | 2075 | i, j, dev->persist->pdev->bus->name); |
e605b743 | 2076 | /* Set IRQ for specific name (per ring) */ |
d9236c3f AV |
2077 | if (mlx4_assign_eq(dev, name, NULL, |
2078 | &ibdev->eq_table[eq])) { | |
e605b743 SP |
2079 | /* Use legacy (same as mlx4_en driver) */ |
2080 | pr_warn("Can't allocate EQ %d; reverting to legacy\n", eq); | |
2081 | ibdev->eq_table[eq] = | |
2082 | (eq % dev->caps.num_comp_vectors); | |
2083 | } | |
2084 | eq++; | |
2085 | } | |
2086 | } | |
2087 | ||
2088 | /* Fill the reset of the vector with legacy EQ */ | |
2089 | for (i = 0, eq = added_eqs; i < dev->caps.num_comp_vectors; i++) | |
2090 | ibdev->eq_table[eq++] = i; | |
2091 | ||
2092 | /* Advertise the new number of EQs to clients */ | |
2093 | ibdev->ib_dev.num_comp_vectors = total_eqs; | |
2094 | } | |
2095 | ||
2096 | static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) | |
2097 | { | |
2098 | int i; | |
3aac6ff1 SP |
2099 | |
2100 | /* no additional eqs were added */ | |
2101 | if (!ibdev->eq_table) | |
2102 | return; | |
e605b743 SP |
2103 | |
2104 | /* Reset the advertised EQ number */ | |
2105 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; | |
2106 | ||
2107 | /* Free only the added eqs */ | |
2108 | for (i = 0; i < ibdev->eq_added; i++) { | |
2109 | /* Don't free legacy eqs if used */ | |
2110 | if (ibdev->eq_table[i] <= dev->caps.num_comp_vectors) | |
2111 | continue; | |
2112 | mlx4_release_eq(dev, ibdev->eq_table[i]); | |
2113 | } | |
2114 | ||
e605b743 | 2115 | kfree(ibdev->eq_table); |
e605b743 SP |
2116 | } |
2117 | ||
7738613e IW |
2118 | static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num, |
2119 | struct ib_port_immutable *immutable) | |
2120 | { | |
2121 | struct ib_port_attr attr; | |
2122 | int err; | |
2123 | ||
2124 | err = mlx4_ib_query_port(ibdev, port_num, &attr); | |
2125 | if (err) | |
2126 | return err; | |
2127 | ||
2128 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
2129 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
2130 | ||
f9b22e35 IW |
2131 | if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND) |
2132 | immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB; | |
2133 | else | |
2134 | immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE; | |
2135 | ||
7738613e IW |
2136 | return 0; |
2137 | } | |
2138 | ||
225c7b1f RD |
2139 | static void *mlx4_ib_add(struct mlx4_dev *dev) |
2140 | { | |
2141 | struct mlx4_ib_dev *ibdev; | |
22e7ef9c | 2142 | int num_ports = 0; |
035b1032 | 2143 | int i, j; |
fa417f7b EC |
2144 | int err; |
2145 | struct mlx4_ib_iboe *iboe; | |
4196670b | 2146 | int ib_num_ports = 0; |
a5750090 | 2147 | int num_req_counters; |
225c7b1f | 2148 | |
987c8f8f | 2149 | pr_info_once("%s", mlx4_ib_version); |
68f3948d | 2150 | |
026149cb | 2151 | num_ports = 0; |
fa417f7b | 2152 | mlx4_foreach_ib_transport_port(i, dev) |
22e7ef9c RD |
2153 | num_ports++; |
2154 | ||
2155 | /* No point in registering a device with no ports... */ | |
2156 | if (num_ports == 0) | |
2157 | return NULL; | |
2158 | ||
225c7b1f RD |
2159 | ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev); |
2160 | if (!ibdev) { | |
872bf2fb YH |
2161 | dev_err(&dev->persist->pdev->dev, |
2162 | "Device struct alloc failed\n"); | |
225c7b1f RD |
2163 | return NULL; |
2164 | } | |
2165 | ||
fa417f7b EC |
2166 | iboe = &ibdev->iboe; |
2167 | ||
225c7b1f RD |
2168 | if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) |
2169 | goto err_dealloc; | |
2170 | ||
2171 | if (mlx4_uar_alloc(dev, &ibdev->priv_uar)) | |
2172 | goto err_pd; | |
2173 | ||
4979d18f RD |
2174 | ibdev->uar_map = ioremap((phys_addr_t) ibdev->priv_uar.pfn << PAGE_SHIFT, |
2175 | PAGE_SIZE); | |
225c7b1f RD |
2176 | if (!ibdev->uar_map) |
2177 | goto err_uar; | |
26c6bc7b | 2178 | MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); |
225c7b1f | 2179 | |
225c7b1f | 2180 | ibdev->dev = dev; |
c6215745 | 2181 | ibdev->bond_next_port = 0; |
225c7b1f RD |
2182 | |
2183 | strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX); | |
2184 | ibdev->ib_dev.owner = THIS_MODULE; | |
2185 | ibdev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
95d04f07 | 2186 | ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey; |
22e7ef9c | 2187 | ibdev->num_ports = num_ports; |
a5750090 MS |
2188 | ibdev->ib_dev.phys_port_cnt = mlx4_is_bonded(dev) ? |
2189 | 1 : ibdev->num_ports; | |
b8dd786f | 2190 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; |
872bf2fb | 2191 | ibdev->ib_dev.dma_device = &dev->persist->pdev->dev; |
225c7b1f | 2192 | |
08ff3235 OG |
2193 | if (dev->caps.userspace_caps) |
2194 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION; | |
2195 | else | |
2196 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION; | |
2197 | ||
225c7b1f RD |
2198 | ibdev->ib_dev.uverbs_cmd_mask = |
2199 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
2200 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
2201 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
2202 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
2203 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
2204 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
9376932d | 2205 | (1ull << IB_USER_VERBS_CMD_REREG_MR) | |
225c7b1f RD |
2206 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
2207 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
2208 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
bbf8eed1 | 2209 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | |
225c7b1f RD |
2210 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | |
2211 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
2212 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
6a775e2b | 2213 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
225c7b1f RD |
2214 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | |
2215 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
2216 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
2217 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
2218 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
65541cb7 | 2219 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | |
18abd5ea | 2220 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | |
42849b26 SH |
2221 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | |
2222 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
225c7b1f RD |
2223 | |
2224 | ibdev->ib_dev.query_device = mlx4_ib_query_device; | |
2225 | ibdev->ib_dev.query_port = mlx4_ib_query_port; | |
fa417f7b | 2226 | ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; |
225c7b1f RD |
2227 | ibdev->ib_dev.query_gid = mlx4_ib_query_gid; |
2228 | ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; | |
2229 | ibdev->ib_dev.modify_device = mlx4_ib_modify_device; | |
2230 | ibdev->ib_dev.modify_port = mlx4_ib_modify_port; | |
2231 | ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext; | |
2232 | ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext; | |
2233 | ibdev->ib_dev.mmap = mlx4_ib_mmap; | |
2234 | ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd; | |
2235 | ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd; | |
2236 | ibdev->ib_dev.create_ah = mlx4_ib_create_ah; | |
2237 | ibdev->ib_dev.query_ah = mlx4_ib_query_ah; | |
2238 | ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; | |
2239 | ibdev->ib_dev.create_srq = mlx4_ib_create_srq; | |
2240 | ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; | |
65541cb7 | 2241 | ibdev->ib_dev.query_srq = mlx4_ib_query_srq; |
225c7b1f RD |
2242 | ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; |
2243 | ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; | |
2244 | ibdev->ib_dev.create_qp = mlx4_ib_create_qp; | |
2245 | ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp; | |
6a775e2b | 2246 | ibdev->ib_dev.query_qp = mlx4_ib_query_qp; |
225c7b1f RD |
2247 | ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp; |
2248 | ibdev->ib_dev.post_send = mlx4_ib_post_send; | |
2249 | ibdev->ib_dev.post_recv = mlx4_ib_post_recv; | |
2250 | ibdev->ib_dev.create_cq = mlx4_ib_create_cq; | |
3fdcb97f | 2251 | ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq; |
bbf8eed1 | 2252 | ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq; |
225c7b1f RD |
2253 | ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq; |
2254 | ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq; | |
2255 | ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; | |
2256 | ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; | |
2257 | ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; | |
9376932d | 2258 | ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr; |
225c7b1f | 2259 | ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; |
95d04f07 RD |
2260 | ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; |
2261 | ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; | |
2262 | ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list; | |
225c7b1f RD |
2263 | ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; |
2264 | ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach; | |
2265 | ibdev->ib_dev.process_mad = mlx4_ib_process_mad; | |
7738613e | 2266 | ibdev->ib_dev.get_port_immutable = mlx4_port_immutable; |
225c7b1f | 2267 | |
992e8e6e JM |
2268 | if (!mlx4_is_slave(ibdev->dev)) { |
2269 | ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc; | |
2270 | ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr; | |
2271 | ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; | |
2272 | ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; | |
2273 | } | |
8ad11fb6 | 2274 | |
b425388d SM |
2275 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || |
2276 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
2277 | ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw; | |
2278 | ibdev->ib_dev.bind_mw = mlx4_ib_bind_mw; | |
2279 | ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw; | |
2280 | ||
2281 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2282 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
2283 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
2284 | } | |
2285 | ||
012a8ff5 SH |
2286 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) { |
2287 | ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; | |
2288 | ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; | |
2289 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2290 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
2291 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
2292 | } | |
2293 | ||
f77c0162 | 2294 | if (check_flow_steering_support(dev)) { |
0a9b7d59 | 2295 | ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED; |
f77c0162 HHZ |
2296 | ibdev->ib_dev.create_flow = mlx4_ib_create_flow; |
2297 | ibdev->ib_dev.destroy_flow = mlx4_ib_destroy_flow; | |
2298 | ||
f21519b2 YD |
2299 | ibdev->ib_dev.uverbs_ex_cmd_mask |= |
2300 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
2301 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); | |
f77c0162 HHZ |
2302 | } |
2303 | ||
e605b743 SP |
2304 | mlx4_ib_alloc_eqs(dev, ibdev); |
2305 | ||
fa417f7b EC |
2306 | spin_lock_init(&iboe->lock); |
2307 | ||
225c7b1f RD |
2308 | if (init_node_data(ibdev)) |
2309 | goto err_map; | |
2310 | ||
a5750090 MS |
2311 | num_req_counters = mlx4_is_bonded(dev) ? 1 : ibdev->num_ports; |
2312 | for (i = 0; i < num_req_counters; ++i) { | |
9433c188 | 2313 | mutex_init(&ibdev->qp1_proxy_lock[i]); |
cfcde11c OG |
2314 | if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) == |
2315 | IB_LINK_LAYER_ETHERNET) { | |
2316 | err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]); | |
2317 | if (err) | |
2318 | ibdev->counters[i] = -1; | |
3839d8ac DC |
2319 | } else { |
2320 | ibdev->counters[i] = -1; | |
2321 | } | |
cfcde11c | 2322 | } |
a5750090 MS |
2323 | if (mlx4_is_bonded(dev)) |
2324 | for (i = 1; i < ibdev->num_ports ; ++i) | |
2325 | ibdev->counters[i] = ibdev->counters[0]; | |
2326 | ||
cfcde11c | 2327 | |
4196670b MB |
2328 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) |
2329 | ib_num_ports++; | |
2330 | ||
225c7b1f RD |
2331 | spin_lock_init(&ibdev->sm_lock); |
2332 | mutex_init(&ibdev->cap_mask_mutex); | |
35f05dab YH |
2333 | INIT_LIST_HEAD(&ibdev->qp_list); |
2334 | spin_lock_init(&ibdev->reset_flow_resource_lock); | |
225c7b1f | 2335 | |
4196670b MB |
2336 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED && |
2337 | ib_num_ports) { | |
c1c98501 MB |
2338 | ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; |
2339 | err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, | |
2340 | MLX4_IB_UC_STEER_QPN_ALIGN, | |
ddae0349 | 2341 | &ibdev->steer_qpn_base, 0); |
c1c98501 MB |
2342 | if (err) |
2343 | goto err_counter; | |
2344 | ||
2345 | ibdev->ib_uc_qpns_bitmap = | |
2346 | kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) * | |
2347 | sizeof(long), | |
2348 | GFP_KERNEL); | |
2349 | if (!ibdev->ib_uc_qpns_bitmap) { | |
872bf2fb YH |
2350 | dev_err(&dev->persist->pdev->dev, |
2351 | "bit map alloc failed\n"); | |
c1c98501 MB |
2352 | goto err_steer_qp_release; |
2353 | } | |
2354 | ||
2355 | bitmap_zero(ibdev->ib_uc_qpns_bitmap, ibdev->steer_qpn_count); | |
2356 | ||
2357 | err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE( | |
2358 | dev, ibdev->steer_qpn_base, | |
2359 | ibdev->steer_qpn_base + | |
2360 | ibdev->steer_qpn_count - 1); | |
2361 | if (err) | |
2362 | goto err_steer_free_bitmap; | |
2363 | } | |
2364 | ||
3e0629cb JM |
2365 | for (j = 1; j <= ibdev->dev->caps.num_ports; j++) |
2366 | atomic64_set(&iboe->mac[j - 1], ibdev->dev->caps.def_mac[j]); | |
2367 | ||
9a6edb60 | 2368 | if (ib_register_device(&ibdev->ib_dev, NULL)) |
c1c98501 | 2369 | goto err_steer_free_bitmap; |
225c7b1f RD |
2370 | |
2371 | if (mlx4_ib_mad_init(ibdev)) | |
2372 | goto err_reg; | |
2373 | ||
fc06573d JM |
2374 | if (mlx4_ib_init_sriov(ibdev)) |
2375 | goto err_mad; | |
2376 | ||
d487ee77 MS |
2377 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) { |
2378 | if (!iboe->nb.notifier_call) { | |
2379 | iboe->nb.notifier_call = mlx4_ib_netdev_event; | |
2380 | err = register_netdevice_notifier(&iboe->nb); | |
2381 | if (err) { | |
2382 | iboe->nb.notifier_call = NULL; | |
2383 | goto err_notif; | |
2384 | } | |
2385 | } | |
2386 | if (!iboe->nb_inet.notifier_call) { | |
2387 | iboe->nb_inet.notifier_call = mlx4_ib_inet_event; | |
2388 | err = register_inetaddr_notifier(&iboe->nb_inet); | |
2389 | if (err) { | |
2390 | iboe->nb_inet.notifier_call = NULL; | |
2391 | goto err_notif; | |
2392 | } | |
2393 | } | |
27cdef63 | 2394 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2395 | if (!iboe->nb_inet6.notifier_call) { |
2396 | iboe->nb_inet6.notifier_call = mlx4_ib_inet6_event; | |
2397 | err = register_inet6addr_notifier(&iboe->nb_inet6); | |
2398 | if (err) { | |
2399 | iboe->nb_inet6.notifier_call = NULL; | |
2400 | goto err_notif; | |
2401 | } | |
2402 | } | |
2403 | #endif | |
655b2aae MS |
2404 | if (mlx4_ib_init_gid_table(ibdev)) |
2405 | goto err_notif; | |
fa417f7b EC |
2406 | } |
2407 | ||
035b1032 | 2408 | for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { |
f4e91eb4 | 2409 | if (device_create_file(&ibdev->ib_dev.dev, |
035b1032 | 2410 | mlx4_class_attributes[j])) |
fa417f7b | 2411 | goto err_notif; |
cd9281d8 JM |
2412 | } |
2413 | ||
3b4a8cd5 JM |
2414 | ibdev->ib_active = true; |
2415 | ||
54679e14 JM |
2416 | if (mlx4_is_mfunc(ibdev->dev)) |
2417 | init_pkeys(ibdev); | |
2418 | ||
3806d08c JM |
2419 | /* create paravirt contexts for any VFs which are active */ |
2420 | if (mlx4_is_master(ibdev->dev)) { | |
2421 | for (j = 0; j < MLX4_MFUNC_MAX; j++) { | |
2422 | if (j == mlx4_master_func_num(ibdev->dev)) | |
2423 | continue; | |
2424 | if (mlx4_is_slave_active(ibdev->dev, j)) | |
2425 | do_slave_init(ibdev, j, 1); | |
2426 | } | |
2427 | } | |
225c7b1f RD |
2428 | return ibdev; |
2429 | ||
fa417f7b | 2430 | err_notif: |
d487ee77 MS |
2431 | if (ibdev->iboe.nb.notifier_call) { |
2432 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
2433 | pr_warn("failure unregistering notifier\n"); | |
2434 | ibdev->iboe.nb.notifier_call = NULL; | |
2435 | } | |
2436 | if (ibdev->iboe.nb_inet.notifier_call) { | |
2437 | if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) | |
2438 | pr_warn("failure unregistering notifier\n"); | |
2439 | ibdev->iboe.nb_inet.notifier_call = NULL; | |
2440 | } | |
27cdef63 | 2441 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2442 | if (ibdev->iboe.nb_inet6.notifier_call) { |
2443 | if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) | |
2444 | pr_warn("failure unregistering notifier\n"); | |
2445 | ibdev->iboe.nb_inet6.notifier_call = NULL; | |
2446 | } | |
2447 | #endif | |
fa417f7b EC |
2448 | flush_workqueue(wq); |
2449 | ||
fc06573d JM |
2450 | mlx4_ib_close_sriov(ibdev); |
2451 | ||
2452 | err_mad: | |
2453 | mlx4_ib_mad_cleanup(ibdev); | |
2454 | ||
225c7b1f RD |
2455 | err_reg: |
2456 | ib_unregister_device(&ibdev->ib_dev); | |
2457 | ||
c1c98501 MB |
2458 | err_steer_free_bitmap: |
2459 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2460 | ||
2461 | err_steer_qp_release: | |
2462 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2463 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2464 | ibdev->steer_qpn_count); | |
cfcde11c OG |
2465 | err_counter: |
2466 | for (; i; --i) | |
4af3ce0d RD |
2467 | if (ibdev->counters[i - 1] != -1) |
2468 | mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]); | |
cfcde11c | 2469 | |
225c7b1f RD |
2470 | err_map: |
2471 | iounmap(ibdev->uar_map); | |
2472 | ||
2473 | err_uar: | |
2474 | mlx4_uar_free(dev, &ibdev->priv_uar); | |
2475 | ||
2476 | err_pd: | |
2477 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2478 | ||
2479 | err_dealloc: | |
2480 | ib_dealloc_device(&ibdev->ib_dev); | |
2481 | ||
2482 | return NULL; | |
2483 | } | |
2484 | ||
c1c98501 MB |
2485 | int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn) |
2486 | { | |
2487 | int offset; | |
2488 | ||
2489 | WARN_ON(!dev->ib_uc_qpns_bitmap); | |
2490 | ||
2491 | offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap, | |
2492 | dev->steer_qpn_count, | |
2493 | get_count_order(count)); | |
2494 | if (offset < 0) | |
2495 | return offset; | |
2496 | ||
2497 | *qpn = dev->steer_qpn_base + offset; | |
2498 | return 0; | |
2499 | } | |
2500 | ||
2501 | void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count) | |
2502 | { | |
2503 | if (!qpn || | |
2504 | dev->steering_support != MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2505 | return; | |
2506 | ||
2507 | BUG_ON(qpn < dev->steer_qpn_base); | |
2508 | ||
2509 | bitmap_release_region(dev->ib_uc_qpns_bitmap, | |
2510 | qpn - dev->steer_qpn_base, | |
2511 | get_count_order(count)); | |
2512 | } | |
2513 | ||
2514 | int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
2515 | int is_attach) | |
2516 | { | |
2517 | int err; | |
2518 | size_t flow_size; | |
2519 | struct ib_flow_attr *flow = NULL; | |
2520 | struct ib_flow_spec_ib *ib_spec; | |
2521 | ||
2522 | if (is_attach) { | |
2523 | flow_size = sizeof(struct ib_flow_attr) + | |
2524 | sizeof(struct ib_flow_spec_ib); | |
2525 | flow = kzalloc(flow_size, GFP_KERNEL); | |
2526 | if (!flow) | |
2527 | return -ENOMEM; | |
2528 | flow->port = mqp->port; | |
2529 | flow->num_of_specs = 1; | |
2530 | flow->size = flow_size; | |
2531 | ib_spec = (struct ib_flow_spec_ib *)(flow + 1); | |
2532 | ib_spec->type = IB_FLOW_SPEC_IB; | |
2533 | ib_spec->size = sizeof(struct ib_flow_spec_ib); | |
2534 | /* Add an empty rule for IB L2 */ | |
2535 | memset(&ib_spec->mask, 0, sizeof(ib_spec->mask)); | |
2536 | ||
2537 | err = __mlx4_ib_create_flow(&mqp->ibqp, flow, | |
2538 | IB_FLOW_DOMAIN_NIC, | |
2539 | MLX4_FS_REGULAR, | |
2540 | &mqp->reg_id); | |
2541 | } else { | |
2542 | err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id); | |
2543 | } | |
2544 | kfree(flow); | |
2545 | return err; | |
2546 | } | |
2547 | ||
225c7b1f RD |
2548 | static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) |
2549 | { | |
2550 | struct mlx4_ib_dev *ibdev = ibdev_ptr; | |
2551 | int p; | |
2552 | ||
4bf9715f MS |
2553 | ibdev->ib_active = false; |
2554 | flush_workqueue(wq); | |
2555 | ||
fc06573d | 2556 | mlx4_ib_close_sriov(ibdev); |
a6a47771 YP |
2557 | mlx4_ib_mad_cleanup(ibdev); |
2558 | ib_unregister_device(&ibdev->ib_dev); | |
fa417f7b EC |
2559 | if (ibdev->iboe.nb.notifier_call) { |
2560 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
987c8f8f | 2561 | pr_warn("failure unregistering notifier\n"); |
fa417f7b EC |
2562 | ibdev->iboe.nb.notifier_call = NULL; |
2563 | } | |
c1c98501 MB |
2564 | |
2565 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
2566 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2567 | ibdev->steer_qpn_count); | |
2568 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2569 | } | |
2570 | ||
d487ee77 MS |
2571 | if (ibdev->iboe.nb_inet.notifier_call) { |
2572 | if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) | |
2573 | pr_warn("failure unregistering notifier\n"); | |
2574 | ibdev->iboe.nb_inet.notifier_call = NULL; | |
2575 | } | |
27cdef63 | 2576 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2577 | if (ibdev->iboe.nb_inet6.notifier_call) { |
2578 | if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) | |
2579 | pr_warn("failure unregistering notifier\n"); | |
2580 | ibdev->iboe.nb_inet6.notifier_call = NULL; | |
2581 | } | |
2582 | #endif | |
fb1b5034 | 2583 | |
fa417f7b | 2584 | iounmap(ibdev->uar_map); |
cfcde11c | 2585 | for (p = 0; p < ibdev->num_ports; ++p) |
4af3ce0d RD |
2586 | if (ibdev->counters[p] != -1) |
2587 | mlx4_counter_free(ibdev->dev, ibdev->counters[p]); | |
fa417f7b | 2588 | mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) |
225c7b1f RD |
2589 | mlx4_CLOSE_PORT(dev, p); |
2590 | ||
e605b743 SP |
2591 | mlx4_ib_free_eqs(dev, ibdev); |
2592 | ||
225c7b1f RD |
2593 | mlx4_uar_free(dev, &ibdev->priv_uar); |
2594 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2595 | ib_dealloc_device(&ibdev->ib_dev); | |
2596 | } | |
2597 | ||
fc06573d JM |
2598 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) |
2599 | { | |
2600 | struct mlx4_ib_demux_work **dm = NULL; | |
2601 | struct mlx4_dev *dev = ibdev->dev; | |
2602 | int i; | |
2603 | unsigned long flags; | |
449fc488 MB |
2604 | struct mlx4_active_ports actv_ports; |
2605 | unsigned int ports; | |
2606 | unsigned int first_port; | |
fc06573d JM |
2607 | |
2608 | if (!mlx4_is_master(dev)) | |
2609 | return; | |
2610 | ||
449fc488 MB |
2611 | actv_ports = mlx4_get_active_ports(dev, slave); |
2612 | ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports); | |
2613 | first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
2614 | ||
2615 | dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC); | |
fc06573d JM |
2616 | if (!dm) { |
2617 | pr_err("failed to allocate memory for tunneling qp update\n"); | |
2618 | goto out; | |
2619 | } | |
2620 | ||
449fc488 | 2621 | for (i = 0; i < ports; i++) { |
fc06573d JM |
2622 | dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); |
2623 | if (!dm[i]) { | |
2624 | pr_err("failed to allocate memory for tunneling qp update work struct\n"); | |
2625 | for (i = 0; i < dev->caps.num_ports; i++) { | |
2626 | if (dm[i]) | |
2627 | kfree(dm[i]); | |
2628 | } | |
2629 | goto out; | |
2630 | } | |
2631 | } | |
2632 | /* initialize or tear down tunnel QPs for the slave */ | |
449fc488 | 2633 | for (i = 0; i < ports; i++) { |
fc06573d | 2634 | INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); |
449fc488 | 2635 | dm[i]->port = first_port + i + 1; |
fc06573d JM |
2636 | dm[i]->slave = slave; |
2637 | dm[i]->do_init = do_init; | |
2638 | dm[i]->dev = ibdev; | |
2639 | spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); | |
2640 | if (!ibdev->sriov.is_going_down) | |
2641 | queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); | |
2642 | spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); | |
2643 | } | |
2644 | out: | |
c89d1271 | 2645 | kfree(dm); |
fc06573d JM |
2646 | return; |
2647 | } | |
2648 | ||
35f05dab YH |
2649 | static void mlx4_ib_handle_catas_error(struct mlx4_ib_dev *ibdev) |
2650 | { | |
2651 | struct mlx4_ib_qp *mqp; | |
2652 | unsigned long flags_qp; | |
2653 | unsigned long flags_cq; | |
2654 | struct mlx4_ib_cq *send_mcq, *recv_mcq; | |
2655 | struct list_head cq_notify_list; | |
2656 | struct mlx4_cq *mcq; | |
2657 | unsigned long flags; | |
2658 | ||
2659 | pr_warn("mlx4_ib_handle_catas_error was started\n"); | |
2660 | INIT_LIST_HEAD(&cq_notify_list); | |
2661 | ||
2662 | /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ | |
2663 | spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); | |
2664 | ||
2665 | list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { | |
2666 | spin_lock_irqsave(&mqp->sq.lock, flags_qp); | |
2667 | if (mqp->sq.tail != mqp->sq.head) { | |
2668 | send_mcq = to_mcq(mqp->ibqp.send_cq); | |
2669 | spin_lock_irqsave(&send_mcq->lock, flags_cq); | |
2670 | if (send_mcq->mcq.comp && | |
2671 | mqp->ibqp.send_cq->comp_handler) { | |
2672 | if (!send_mcq->mcq.reset_notify_added) { | |
2673 | send_mcq->mcq.reset_notify_added = 1; | |
2674 | list_add_tail(&send_mcq->mcq.reset_notify, | |
2675 | &cq_notify_list); | |
2676 | } | |
2677 | } | |
2678 | spin_unlock_irqrestore(&send_mcq->lock, flags_cq); | |
2679 | } | |
2680 | spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); | |
2681 | /* Now, handle the QP's receive queue */ | |
2682 | spin_lock_irqsave(&mqp->rq.lock, flags_qp); | |
2683 | /* no handling is needed for SRQ */ | |
2684 | if (!mqp->ibqp.srq) { | |
2685 | if (mqp->rq.tail != mqp->rq.head) { | |
2686 | recv_mcq = to_mcq(mqp->ibqp.recv_cq); | |
2687 | spin_lock_irqsave(&recv_mcq->lock, flags_cq); | |
2688 | if (recv_mcq->mcq.comp && | |
2689 | mqp->ibqp.recv_cq->comp_handler) { | |
2690 | if (!recv_mcq->mcq.reset_notify_added) { | |
2691 | recv_mcq->mcq.reset_notify_added = 1; | |
2692 | list_add_tail(&recv_mcq->mcq.reset_notify, | |
2693 | &cq_notify_list); | |
2694 | } | |
2695 | } | |
2696 | spin_unlock_irqrestore(&recv_mcq->lock, | |
2697 | flags_cq); | |
2698 | } | |
2699 | } | |
2700 | spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); | |
2701 | } | |
2702 | ||
2703 | list_for_each_entry(mcq, &cq_notify_list, reset_notify) { | |
2704 | mcq->comp(mcq); | |
2705 | } | |
2706 | spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); | |
2707 | pr_warn("mlx4_ib_handle_catas_error ended\n"); | |
2708 | } | |
2709 | ||
a5750090 MS |
2710 | static void handle_bonded_port_state_event(struct work_struct *work) |
2711 | { | |
2712 | struct ib_event_work *ew = | |
2713 | container_of(work, struct ib_event_work, work); | |
2714 | struct mlx4_ib_dev *ibdev = ew->ib_dev; | |
2715 | enum ib_port_state bonded_port_state = IB_PORT_NOP; | |
2716 | int i; | |
2717 | struct ib_event ibev; | |
2718 | ||
2719 | kfree(ew); | |
2720 | spin_lock_bh(&ibdev->iboe.lock); | |
2721 | for (i = 0; i < MLX4_MAX_PORTS; ++i) { | |
2722 | struct net_device *curr_netdev = ibdev->iboe.netdevs[i]; | |
217e8b16 | 2723 | enum ib_port_state curr_port_state; |
a5750090 | 2724 | |
217e8b16 MS |
2725 | if (!curr_netdev) |
2726 | continue; | |
2727 | ||
2728 | curr_port_state = | |
a5750090 MS |
2729 | (netif_running(curr_netdev) && |
2730 | netif_carrier_ok(curr_netdev)) ? | |
2731 | IB_PORT_ACTIVE : IB_PORT_DOWN; | |
2732 | ||
2733 | bonded_port_state = (bonded_port_state != IB_PORT_ACTIVE) ? | |
2734 | curr_port_state : IB_PORT_ACTIVE; | |
2735 | } | |
2736 | spin_unlock_bh(&ibdev->iboe.lock); | |
2737 | ||
2738 | ibev.device = &ibdev->ib_dev; | |
2739 | ibev.element.port_num = 1; | |
2740 | ibev.event = (bonded_port_state == IB_PORT_ACTIVE) ? | |
2741 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
2742 | ||
2743 | ib_dispatch_event(&ibev); | |
2744 | } | |
2745 | ||
225c7b1f | 2746 | static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, |
00f5ce99 | 2747 | enum mlx4_dev_event event, unsigned long param) |
225c7b1f RD |
2748 | { |
2749 | struct ib_event ibev; | |
7ff93f8b | 2750 | struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); |
00f5ce99 JM |
2751 | struct mlx4_eqe *eqe = NULL; |
2752 | struct ib_event_work *ew; | |
fc06573d | 2753 | int p = 0; |
00f5ce99 | 2754 | |
a5750090 MS |
2755 | if (mlx4_is_bonded(dev) && |
2756 | ((event == MLX4_DEV_EVENT_PORT_UP) || | |
2757 | (event == MLX4_DEV_EVENT_PORT_DOWN))) { | |
2758 | ew = kmalloc(sizeof(*ew), GFP_ATOMIC); | |
2759 | if (!ew) | |
2760 | return; | |
2761 | INIT_WORK(&ew->work, handle_bonded_port_state_event); | |
2762 | ew->ib_dev = ibdev; | |
2763 | queue_work(wq, &ew->work); | |
2764 | return; | |
2765 | } | |
2766 | ||
00f5ce99 JM |
2767 | if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE) |
2768 | eqe = (struct mlx4_eqe *)param; | |
2769 | else | |
fc06573d | 2770 | p = (int) param; |
225c7b1f RD |
2771 | |
2772 | switch (event) { | |
37608eea | 2773 | case MLX4_DEV_EVENT_PORT_UP: |
fc06573d JM |
2774 | if (p > ibdev->num_ports) |
2775 | return; | |
a0c64a17 JM |
2776 | if (mlx4_is_master(dev) && |
2777 | rdma_port_get_link_layer(&ibdev->ib_dev, p) == | |
2778 | IB_LINK_LAYER_INFINIBAND) { | |
2779 | mlx4_ib_invalidate_all_guid_record(ibdev, p); | |
2780 | } | |
37608eea | 2781 | ibev.event = IB_EVENT_PORT_ACTIVE; |
225c7b1f RD |
2782 | break; |
2783 | ||
37608eea | 2784 | case MLX4_DEV_EVENT_PORT_DOWN: |
fc06573d JM |
2785 | if (p > ibdev->num_ports) |
2786 | return; | |
37608eea RD |
2787 | ibev.event = IB_EVENT_PORT_ERR; |
2788 | break; | |
2789 | ||
2790 | case MLX4_DEV_EVENT_CATASTROPHIC_ERROR: | |
3b4a8cd5 | 2791 | ibdev->ib_active = false; |
225c7b1f | 2792 | ibev.event = IB_EVENT_DEVICE_FATAL; |
35f05dab | 2793 | mlx4_ib_handle_catas_error(ibdev); |
225c7b1f RD |
2794 | break; |
2795 | ||
00f5ce99 JM |
2796 | case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: |
2797 | ew = kmalloc(sizeof *ew, GFP_ATOMIC); | |
2798 | if (!ew) { | |
2799 | pr_err("failed to allocate memory for events work\n"); | |
2800 | break; | |
2801 | } | |
2802 | ||
2803 | INIT_WORK(&ew->work, handle_port_mgmt_change_event); | |
2804 | memcpy(&ew->ib_eqe, eqe, sizeof *eqe); | |
2805 | ew->ib_dev = ibdev; | |
992e8e6e JM |
2806 | /* need to queue only for port owner, which uses GEN_EQE */ |
2807 | if (mlx4_is_master(dev)) | |
2808 | queue_work(wq, &ew->work); | |
2809 | else | |
2810 | handle_port_mgmt_change_event(&ew->work); | |
00f5ce99 JM |
2811 | return; |
2812 | ||
fc06573d JM |
2813 | case MLX4_DEV_EVENT_SLAVE_INIT: |
2814 | /* here, p is the slave id */ | |
2815 | do_slave_init(ibdev, p, 1); | |
ee59fa0d YH |
2816 | if (mlx4_is_master(dev)) { |
2817 | int i; | |
2818 | ||
2819 | for (i = 1; i <= ibdev->num_ports; i++) { | |
2820 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) | |
2821 | == IB_LINK_LAYER_INFINIBAND) | |
2822 | mlx4_ib_slave_alias_guid_event(ibdev, | |
2823 | p, i, | |
2824 | 1); | |
2825 | } | |
2826 | } | |
fc06573d JM |
2827 | return; |
2828 | ||
2829 | case MLX4_DEV_EVENT_SLAVE_SHUTDOWN: | |
ee59fa0d YH |
2830 | if (mlx4_is_master(dev)) { |
2831 | int i; | |
2832 | ||
2833 | for (i = 1; i <= ibdev->num_ports; i++) { | |
2834 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) | |
2835 | == IB_LINK_LAYER_INFINIBAND) | |
2836 | mlx4_ib_slave_alias_guid_event(ibdev, | |
2837 | p, i, | |
2838 | 0); | |
2839 | } | |
2840 | } | |
fc06573d JM |
2841 | /* here, p is the slave id */ |
2842 | do_slave_init(ibdev, p, 0); | |
2843 | return; | |
2844 | ||
225c7b1f RD |
2845 | default: |
2846 | return; | |
2847 | } | |
2848 | ||
2849 | ibev.device = ibdev_ptr; | |
a5750090 | 2850 | ibev.element.port_num = mlx4_is_bonded(ibdev->dev) ? 1 : (u8)p; |
225c7b1f RD |
2851 | |
2852 | ib_dispatch_event(&ibev); | |
2853 | } | |
2854 | ||
2855 | static struct mlx4_interface mlx4_ib_interface = { | |
fa417f7b EC |
2856 | .add = mlx4_ib_add, |
2857 | .remove = mlx4_ib_remove, | |
2858 | .event = mlx4_ib_event, | |
a5750090 MS |
2859 | .protocol = MLX4_PROT_IB_IPV6, |
2860 | .flags = MLX4_INTFF_BONDING | |
225c7b1f RD |
2861 | }; |
2862 | ||
2863 | static int __init mlx4_ib_init(void) | |
2864 | { | |
fa417f7b EC |
2865 | int err; |
2866 | ||
2867 | wq = create_singlethread_workqueue("mlx4_ib"); | |
2868 | if (!wq) | |
2869 | return -ENOMEM; | |
2870 | ||
b9c5d6a6 OD |
2871 | err = mlx4_ib_mcg_init(); |
2872 | if (err) | |
2873 | goto clean_wq; | |
2874 | ||
fa417f7b | 2875 | err = mlx4_register_interface(&mlx4_ib_interface); |
b9c5d6a6 OD |
2876 | if (err) |
2877 | goto clean_mcg; | |
fa417f7b EC |
2878 | |
2879 | return 0; | |
b9c5d6a6 OD |
2880 | |
2881 | clean_mcg: | |
2882 | mlx4_ib_mcg_destroy(); | |
2883 | ||
2884 | clean_wq: | |
2885 | destroy_workqueue(wq); | |
2886 | return err; | |
225c7b1f RD |
2887 | } |
2888 | ||
2889 | static void __exit mlx4_ib_cleanup(void) | |
2890 | { | |
2891 | mlx4_unregister_interface(&mlx4_ib_interface); | |
b9c5d6a6 | 2892 | mlx4_ib_mcg_destroy(); |
fa417f7b | 2893 | destroy_workqueue(wq); |
225c7b1f RD |
2894 | } |
2895 | ||
2896 | module_init(mlx4_ib_init); | |
2897 | module_exit(mlx4_ib_cleanup); |