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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 | 134 | static int mlx4_ib_query_device(struct ib_device *ibdev, |
2528e33e MB |
135 | struct ib_device_attr *props, |
136 | struct ib_udata *uhw) | |
225c7b1f RD |
137 | { |
138 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
139 | struct ib_smp *in_mad = NULL; | |
140 | struct ib_smp *out_mad = NULL; | |
141 | int err = -ENOMEM; | |
3dec4878 | 142 | int have_ib_ports; |
225c7b1f | 143 | |
2528e33e MB |
144 | if (uhw->inlen || uhw->outlen) |
145 | return -EINVAL; | |
146 | ||
225c7b1f RD |
147 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
148 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
149 | if (!in_mad || !out_mad) | |
150 | goto out; | |
151 | ||
152 | init_query_mad(in_mad); | |
153 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
154 | ||
0a9a0188 JM |
155 | err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS, |
156 | 1, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
157 | if (err) |
158 | goto out; | |
159 | ||
160 | memset(props, 0, sizeof *props); | |
161 | ||
3dec4878 JM |
162 | have_ib_ports = num_ib_ports(dev->dev); |
163 | ||
225c7b1f RD |
164 | props->fw_ver = dev->dev->caps.fw_ver; |
165 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | | |
166 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
167 | IB_DEVICE_SYS_IMAGE_GUID | | |
521e575b RL |
168 | IB_DEVICE_RC_RNR_NAK_GEN | |
169 | IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; | |
225c7b1f RD |
170 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR) |
171 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; | |
172 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR) | |
173 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; | |
3dec4878 | 174 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM && have_ib_ports) |
225c7b1f RD |
175 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
176 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) | |
177 | props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; | |
8ff095ec EC |
178 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) |
179 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
50e2ec91 MS |
180 | if (dev->dev->caps.max_gso_sz && |
181 | (dev->dev->rev_id != MLX4_IB_CARD_REV_A0) && | |
182 | (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH)) | |
b832be1e | 183 | props->device_cap_flags |= IB_DEVICE_UD_TSO; |
95d04f07 RD |
184 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY) |
185 | props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; | |
186 | if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) && | |
187 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) && | |
188 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR)) | |
189 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
0a1405da SH |
190 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) |
191 | props->device_cap_flags |= IB_DEVICE_XRC; | |
b425388d SM |
192 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW) |
193 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW; | |
194 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
195 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B) | |
196 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
197 | else | |
198 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A; | |
0a9b7d59 | 199 | if (dev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) |
f77c0162 | 200 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; |
b425388d | 201 | } |
225c7b1f RD |
202 | |
203 | props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & | |
204 | 0xffffff; | |
872bf2fb | 205 | props->vendor_part_id = dev->dev->persist->pdev->device; |
225c7b1f RD |
206 | props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
207 | memcpy(&props->sys_image_guid, out_mad->data + 4, 8); | |
208 | ||
209 | props->max_mr_size = ~0ull; | |
210 | props->page_size_cap = dev->dev->caps.page_size_cap; | |
5a0d0a61 | 211 | props->max_qp = dev->dev->quotas.qp; |
fc2d0044 | 212 | props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; |
225c7b1f RD |
213 | props->max_sge = min(dev->dev->caps.max_sq_sg, |
214 | dev->dev->caps.max_rq_sg); | |
5a0d0a61 | 215 | props->max_cq = dev->dev->quotas.cq; |
225c7b1f | 216 | props->max_cqe = dev->dev->caps.max_cqes; |
5a0d0a61 | 217 | props->max_mr = dev->dev->quotas.mpt; |
225c7b1f RD |
218 | props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds; |
219 | props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma; | |
220 | props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma; | |
221 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; | |
5a0d0a61 | 222 | props->max_srq = dev->dev->quotas.srq; |
c8681f14 | 223 | props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; |
225c7b1f | 224 | props->max_srq_sge = dev->dev->caps.max_srq_sge; |
5a0fd094 | 225 | props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; |
225c7b1f RD |
226 | props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; |
227 | props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? | |
228 | IB_ATOMIC_HCA : IB_ATOMIC_NONE; | |
47e956b2 | 229 | props->masked_atomic_cap = props->atomic_cap; |
5ae2a7a8 | 230 | props->max_pkeys = dev->dev->caps.pkey_table_len[1]; |
225c7b1f RD |
231 | props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms; |
232 | props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; | |
233 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * | |
234 | props->max_mcast_grp; | |
a5bbe892 | 235 | props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; |
225c7b1f RD |
236 | |
237 | out: | |
238 | kfree(in_mad); | |
239 | kfree(out_mad); | |
240 | ||
241 | return err; | |
242 | } | |
243 | ||
fa417f7b EC |
244 | static enum rdma_link_layer |
245 | mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
225c7b1f | 246 | { |
fa417f7b | 247 | struct mlx4_dev *dev = to_mdev(device)->dev; |
225c7b1f | 248 | |
65dab25d | 249 | return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ? |
fa417f7b EC |
250 | IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; |
251 | } | |
225c7b1f | 252 | |
fa417f7b | 253 | static int ib_link_query_port(struct ib_device *ibdev, u8 port, |
0a9a0188 | 254 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 255 | { |
a9c766bb OG |
256 | struct ib_smp *in_mad = NULL; |
257 | struct ib_smp *out_mad = NULL; | |
a5e12dff | 258 | int ext_active_speed; |
0a9a0188 | 259 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
a9c766bb OG |
260 | int err = -ENOMEM; |
261 | ||
262 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
263 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
264 | if (!in_mad || !out_mad) | |
265 | goto out; | |
266 | ||
267 | init_query_mad(in_mad); | |
268 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
269 | in_mad->attr_mod = cpu_to_be32(port); | |
270 | ||
0a9a0188 JM |
271 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
272 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
273 | ||
274 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
a9c766bb OG |
275 | in_mad, out_mad); |
276 | if (err) | |
277 | goto out; | |
278 | ||
a5e12dff | 279 | |
225c7b1f RD |
280 | props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); |
281 | props->lmc = out_mad->data[34] & 0x7; | |
282 | props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); | |
283 | props->sm_sl = out_mad->data[36] & 0xf; | |
284 | props->state = out_mad->data[32] & 0xf; | |
285 | props->phys_state = out_mad->data[33] >> 4; | |
286 | props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); | |
0a9a0188 JM |
287 | if (netw_view) |
288 | props->gid_tbl_len = out_mad->data[50]; | |
289 | else | |
290 | props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; | |
149983af | 291 | props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; |
5ae2a7a8 | 292 | props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; |
225c7b1f RD |
293 | props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); |
294 | props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); | |
295 | props->active_width = out_mad->data[31] & 0xf; | |
296 | props->active_speed = out_mad->data[35] >> 4; | |
297 | props->max_mtu = out_mad->data[41] & 0xf; | |
298 | props->active_mtu = out_mad->data[36] >> 4; | |
299 | props->subnet_timeout = out_mad->data[51] & 0x1f; | |
300 | props->max_vl_num = out_mad->data[37] >> 4; | |
301 | props->init_type_reply = out_mad->data[41] >> 4; | |
302 | ||
a5e12dff MA |
303 | /* Check if extended speeds (EDR/FDR/...) are supported */ |
304 | if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { | |
305 | ext_active_speed = out_mad->data[62] >> 4; | |
306 | ||
307 | switch (ext_active_speed) { | |
308 | case 1: | |
2e96691c | 309 | props->active_speed = IB_SPEED_FDR; |
a5e12dff MA |
310 | break; |
311 | case 2: | |
2e96691c | 312 | props->active_speed = IB_SPEED_EDR; |
a5e12dff MA |
313 | break; |
314 | } | |
315 | } | |
316 | ||
317 | /* If reported active speed is QDR, check if is FDR-10 */ | |
2e96691c | 318 | if (props->active_speed == IB_SPEED_QDR) { |
8154c07f OG |
319 | init_query_mad(in_mad); |
320 | in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO; | |
321 | in_mad->attr_mod = cpu_to_be32(port); | |
322 | ||
0a9a0188 | 323 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, |
8154c07f OG |
324 | NULL, NULL, in_mad, out_mad); |
325 | if (err) | |
bf6b47de | 326 | goto out; |
8154c07f OG |
327 | |
328 | /* Checking LinkSpeedActive for FDR-10 */ | |
329 | if (out_mad->data[15] & 0x1) | |
330 | props->active_speed = IB_SPEED_FDR10; | |
a5e12dff | 331 | } |
d2ef4068 OG |
332 | |
333 | /* Avoid wrong speed value returned by FW if the IB link is down. */ | |
334 | if (props->state == IB_PORT_DOWN) | |
335 | props->active_speed = IB_SPEED_SDR; | |
336 | ||
a9c766bb OG |
337 | out: |
338 | kfree(in_mad); | |
339 | kfree(out_mad); | |
340 | return err; | |
fa417f7b EC |
341 | } |
342 | ||
343 | static u8 state_to_phys_state(enum ib_port_state state) | |
344 | { | |
345 | return state == IB_PORT_ACTIVE ? 5 : 3; | |
346 | } | |
347 | ||
348 | static int eth_link_query_port(struct ib_device *ibdev, u8 port, | |
0a9a0188 | 349 | struct ib_port_attr *props, int netw_view) |
fa417f7b | 350 | { |
a9c766bb OG |
351 | |
352 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); | |
353 | struct mlx4_ib_iboe *iboe = &mdev->iboe; | |
fa417f7b EC |
354 | struct net_device *ndev; |
355 | enum ib_mtu tmp; | |
a9c766bb OG |
356 | struct mlx4_cmd_mailbox *mailbox; |
357 | int err = 0; | |
a5750090 | 358 | int is_bonded = mlx4_is_bonded(mdev->dev); |
a9c766bb OG |
359 | |
360 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
361 | if (IS_ERR(mailbox)) | |
362 | return PTR_ERR(mailbox); | |
fa417f7b | 363 | |
a9c766bb OG |
364 | err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, |
365 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
366 | MLX4_CMD_WRAPPED); | |
367 | if (err) | |
368 | goto out; | |
369 | ||
370 | props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? | |
371 | IB_WIDTH_4X : IB_WIDTH_1X; | |
2e96691c | 372 | props->active_speed = IB_SPEED_QDR; |
b4a26a27 | 373 | props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS; |
a9c766bb OG |
374 | props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; |
375 | props->max_msg_sz = mdev->dev->caps.max_msg_sz; | |
fa417f7b | 376 | props->pkey_tbl_len = 1; |
bcacb897 | 377 | props->max_mtu = IB_MTU_4096; |
a9c766bb | 378 | props->max_vl_num = 2; |
fa417f7b EC |
379 | props->state = IB_PORT_DOWN; |
380 | props->phys_state = state_to_phys_state(props->state); | |
381 | props->active_mtu = IB_MTU_256; | |
a5750090 MS |
382 | if (is_bonded) |
383 | rtnl_lock(); /* required to get upper dev */ | |
dba3ad2a | 384 | spin_lock_bh(&iboe->lock); |
fa417f7b | 385 | ndev = iboe->netdevs[port - 1]; |
a5750090 MS |
386 | if (ndev && is_bonded) |
387 | ndev = netdev_master_upper_dev_get(ndev); | |
fa417f7b | 388 | if (!ndev) |
a9c766bb | 389 | goto out_unlock; |
fa417f7b EC |
390 | |
391 | tmp = iboe_get_mtu(ndev->mtu); | |
392 | props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; | |
393 | ||
21d60609 | 394 | props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ? |
fa417f7b EC |
395 | IB_PORT_ACTIVE : IB_PORT_DOWN; |
396 | props->phys_state = state_to_phys_state(props->state); | |
a9c766bb | 397 | out_unlock: |
dba3ad2a | 398 | spin_unlock_bh(&iboe->lock); |
a5750090 MS |
399 | if (is_bonded) |
400 | rtnl_unlock(); | |
a9c766bb OG |
401 | out: |
402 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
403 | return err; | |
fa417f7b EC |
404 | } |
405 | ||
0a9a0188 JM |
406 | int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
407 | struct ib_port_attr *props, int netw_view) | |
fa417f7b | 408 | { |
a9c766bb | 409 | int err; |
fa417f7b EC |
410 | |
411 | memset(props, 0, sizeof *props); | |
412 | ||
fa417f7b | 413 | err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? |
0a9a0188 JM |
414 | ib_link_query_port(ibdev, port, props, netw_view) : |
415 | eth_link_query_port(ibdev, port, props, netw_view); | |
225c7b1f RD |
416 | |
417 | return err; | |
418 | } | |
419 | ||
0a9a0188 JM |
420 | static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
421 | struct ib_port_attr *props) | |
422 | { | |
423 | /* returns host view */ | |
424 | return __mlx4_ib_query_port(ibdev, port, props, 0); | |
425 | } | |
426 | ||
a0c64a17 JM |
427 | int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
428 | union ib_gid *gid, int netw_view) | |
225c7b1f RD |
429 | { |
430 | struct ib_smp *in_mad = NULL; | |
431 | struct ib_smp *out_mad = NULL; | |
432 | int err = -ENOMEM; | |
a0c64a17 JM |
433 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
434 | int clear = 0; | |
435 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; | |
225c7b1f RD |
436 | |
437 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
438 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
439 | if (!in_mad || !out_mad) | |
440 | goto out; | |
441 | ||
442 | init_query_mad(in_mad); | |
443 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
444 | in_mad->attr_mod = cpu_to_be32(port); | |
445 | ||
a0c64a17 JM |
446 | if (mlx4_is_mfunc(dev->dev) && netw_view) |
447 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
448 | ||
449 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); | |
225c7b1f RD |
450 | if (err) |
451 | goto out; | |
452 | ||
453 | memcpy(gid->raw, out_mad->data + 8, 8); | |
454 | ||
a0c64a17 JM |
455 | if (mlx4_is_mfunc(dev->dev) && !netw_view) { |
456 | if (index) { | |
457 | /* For any index > 0, return the null guid */ | |
458 | err = 0; | |
459 | clear = 1; | |
460 | goto out; | |
461 | } | |
462 | } | |
463 | ||
225c7b1f RD |
464 | init_query_mad(in_mad); |
465 | in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; | |
466 | in_mad->attr_mod = cpu_to_be32(index / 8); | |
467 | ||
a0c64a17 | 468 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, |
0a9a0188 | 469 | NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
470 | if (err) |
471 | goto out; | |
472 | ||
473 | memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); | |
474 | ||
475 | out: | |
a0c64a17 JM |
476 | if (clear) |
477 | memset(gid->raw + 8, 0, 8); | |
225c7b1f RD |
478 | kfree(in_mad); |
479 | kfree(out_mad); | |
480 | return err; | |
481 | } | |
482 | ||
fa417f7b EC |
483 | static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index, |
484 | union ib_gid *gid) | |
485 | { | |
486 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
487 | ||
488 | *gid = dev->iboe.gid_table[port - 1][index]; | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
493 | static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, | |
494 | union ib_gid *gid) | |
495 | { | |
496 | if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND) | |
a0c64a17 | 497 | return __mlx4_ib_query_gid(ibdev, port, index, gid, 0); |
fa417f7b EC |
498 | else |
499 | return iboe_query_gid(ibdev, port, index, gid); | |
500 | } | |
501 | ||
0a9a0188 JM |
502 | int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
503 | u16 *pkey, int netw_view) | |
225c7b1f RD |
504 | { |
505 | struct ib_smp *in_mad = NULL; | |
506 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 507 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
508 | int err = -ENOMEM; |
509 | ||
510 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
511 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
512 | if (!in_mad || !out_mad) | |
513 | goto out; | |
514 | ||
515 | init_query_mad(in_mad); | |
516 | in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; | |
517 | in_mad->attr_mod = cpu_to_be32(index / 32); | |
518 | ||
0a9a0188 JM |
519 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
520 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
521 | ||
522 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, | |
523 | in_mad, out_mad); | |
225c7b1f RD |
524 | if (err) |
525 | goto out; | |
526 | ||
527 | *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); | |
528 | ||
529 | out: | |
530 | kfree(in_mad); | |
531 | kfree(out_mad); | |
532 | return err; | |
533 | } | |
534 | ||
0a9a0188 JM |
535 | static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) |
536 | { | |
537 | return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0); | |
538 | } | |
539 | ||
225c7b1f RD |
540 | static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, |
541 | struct ib_device_modify *props) | |
542 | { | |
d0d68b86 | 543 | struct mlx4_cmd_mailbox *mailbox; |
df7fba66 | 544 | unsigned long flags; |
d0d68b86 | 545 | |
225c7b1f RD |
546 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) |
547 | return -EOPNOTSUPP; | |
548 | ||
d0d68b86 JM |
549 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) |
550 | return 0; | |
551 | ||
992e8e6e JM |
552 | if (mlx4_is_slave(to_mdev(ibdev)->dev)) |
553 | return -EOPNOTSUPP; | |
554 | ||
df7fba66 | 555 | spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 | 556 | memcpy(ibdev->node_desc, props->node_desc, 64); |
df7fba66 | 557 | spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags); |
d0d68b86 JM |
558 | |
559 | /* | |
560 | * If possible, pass node desc to FW, so it can generate | |
561 | * a 144 trap. If cmd fails, just ignore. | |
562 | */ | |
563 | mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); | |
564 | if (IS_ERR(mailbox)) | |
565 | return 0; | |
566 | ||
d0d68b86 JM |
567 | memcpy(mailbox->buf, props->node_desc, 64); |
568 | mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, | |
992e8e6e | 569 | MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
d0d68b86 JM |
570 | |
571 | mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); | |
225c7b1f RD |
572 | |
573 | return 0; | |
574 | } | |
575 | ||
61565013 JM |
576 | static int mlx4_ib_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, |
577 | u32 cap_mask) | |
225c7b1f RD |
578 | { |
579 | struct mlx4_cmd_mailbox *mailbox; | |
580 | int err; | |
581 | ||
582 | mailbox = mlx4_alloc_cmd_mailbox(dev->dev); | |
583 | if (IS_ERR(mailbox)) | |
584 | return PTR_ERR(mailbox); | |
585 | ||
5ae2a7a8 RD |
586 | if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
587 | *(u8 *) mailbox->buf = !!reset_qkey_viols << 6; | |
588 | ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask); | |
589 | } else { | |
590 | ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols; | |
591 | ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); | |
592 | } | |
225c7b1f | 593 | |
a130b590 IS |
594 | err = mlx4_cmd(dev->dev, mailbox->dma, port, MLX4_SET_PORT_IB_OPCODE, |
595 | MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, | |
596 | MLX4_CMD_WRAPPED); | |
225c7b1f RD |
597 | |
598 | mlx4_free_cmd_mailbox(dev->dev, mailbox); | |
599 | return err; | |
600 | } | |
601 | ||
602 | static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, | |
603 | struct ib_port_modify *props) | |
604 | { | |
61565013 JM |
605 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); |
606 | u8 is_eth = mdev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; | |
225c7b1f RD |
607 | struct ib_port_attr attr; |
608 | u32 cap_mask; | |
609 | int err; | |
610 | ||
61565013 JM |
611 | /* return OK if this is RoCE. CM calls ib_modify_port() regardless |
612 | * of whether port link layer is ETH or IB. For ETH ports, qkey | |
613 | * violations and port capabilities are not meaningful. | |
614 | */ | |
615 | if (is_eth) | |
616 | return 0; | |
617 | ||
618 | mutex_lock(&mdev->cap_mask_mutex); | |
225c7b1f RD |
619 | |
620 | err = mlx4_ib_query_port(ibdev, port, &attr); | |
621 | if (err) | |
622 | goto out; | |
623 | ||
624 | cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & | |
625 | ~props->clr_port_cap_mask; | |
626 | ||
61565013 JM |
627 | err = mlx4_ib_SET_PORT(mdev, port, |
628 | !!(mask & IB_PORT_RESET_QKEY_CNTR), | |
629 | cap_mask); | |
225c7b1f RD |
630 | |
631 | out: | |
632 | mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex); | |
633 | return err; | |
634 | } | |
635 | ||
636 | static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev, | |
637 | struct ib_udata *udata) | |
638 | { | |
639 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
640 | struct mlx4_ib_ucontext *context; | |
08ff3235 | 641 | struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3; |
225c7b1f RD |
642 | struct mlx4_ib_alloc_ucontext_resp resp; |
643 | int err; | |
644 | ||
3b4a8cd5 JM |
645 | if (!dev->ib_active) |
646 | return ERR_PTR(-EAGAIN); | |
647 | ||
08ff3235 OG |
648 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) { |
649 | resp_v3.qp_tab_size = dev->dev->caps.num_qps; | |
650 | resp_v3.bf_reg_size = dev->dev->caps.bf_reg_size; | |
651 | resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
652 | } else { | |
653 | resp.dev_caps = dev->dev->caps.userspace_caps; | |
654 | resp.qp_tab_size = dev->dev->caps.num_qps; | |
655 | resp.bf_reg_size = dev->dev->caps.bf_reg_size; | |
656 | resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
657 | resp.cqe_size = dev->dev->caps.cqe_size; | |
658 | } | |
225c7b1f RD |
659 | |
660 | context = kmalloc(sizeof *context, GFP_KERNEL); | |
661 | if (!context) | |
662 | return ERR_PTR(-ENOMEM); | |
663 | ||
664 | err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar); | |
665 | if (err) { | |
666 | kfree(context); | |
667 | return ERR_PTR(err); | |
668 | } | |
669 | ||
670 | INIT_LIST_HEAD(&context->db_page_list); | |
671 | mutex_init(&context->db_page_mutex); | |
672 | ||
08ff3235 OG |
673 | if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) |
674 | err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3)); | |
675 | else | |
676 | err = ib_copy_to_udata(udata, &resp, sizeof(resp)); | |
677 | ||
225c7b1f RD |
678 | if (err) { |
679 | mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar); | |
680 | kfree(context); | |
681 | return ERR_PTR(-EFAULT); | |
682 | } | |
683 | ||
684 | return &context->ibucontext; | |
685 | } | |
686 | ||
687 | static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
688 | { | |
689 | struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); | |
690 | ||
691 | mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar); | |
692 | kfree(context); | |
693 | ||
694 | return 0; | |
695 | } | |
696 | ||
697 | static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) | |
698 | { | |
699 | struct mlx4_ib_dev *dev = to_mdev(context->device); | |
700 | ||
701 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
702 | return -EINVAL; | |
703 | ||
704 | if (vma->vm_pgoff == 0) { | |
705 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
706 | ||
707 | if (io_remap_pfn_range(vma, vma->vm_start, | |
708 | to_mucontext(context)->uar.pfn, | |
709 | PAGE_SIZE, vma->vm_page_prot)) | |
710 | return -EAGAIN; | |
711 | } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) { | |
e1d60ec6 | 712 | vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); |
225c7b1f RD |
713 | |
714 | if (io_remap_pfn_range(vma, vma->vm_start, | |
715 | to_mucontext(context)->uar.pfn + | |
716 | dev->dev->caps.num_uars, | |
717 | PAGE_SIZE, vma->vm_page_prot)) | |
718 | return -EAGAIN; | |
719 | } else | |
720 | return -EINVAL; | |
721 | ||
722 | return 0; | |
723 | } | |
724 | ||
725 | static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, | |
726 | struct ib_ucontext *context, | |
727 | struct ib_udata *udata) | |
728 | { | |
729 | struct mlx4_ib_pd *pd; | |
730 | int err; | |
731 | ||
732 | pd = kmalloc(sizeof *pd, GFP_KERNEL); | |
733 | if (!pd) | |
734 | return ERR_PTR(-ENOMEM); | |
735 | ||
736 | err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn); | |
737 | if (err) { | |
738 | kfree(pd); | |
739 | return ERR_PTR(err); | |
740 | } | |
741 | ||
742 | if (context) | |
743 | if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) { | |
744 | mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); | |
745 | kfree(pd); | |
746 | return ERR_PTR(-EFAULT); | |
747 | } | |
748 | ||
749 | return &pd->ibpd; | |
750 | } | |
751 | ||
752 | static int mlx4_ib_dealloc_pd(struct ib_pd *pd) | |
753 | { | |
754 | mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn); | |
755 | kfree(pd); | |
756 | ||
757 | return 0; | |
758 | } | |
759 | ||
012a8ff5 SH |
760 | static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev, |
761 | struct ib_ucontext *context, | |
762 | struct ib_udata *udata) | |
763 | { | |
764 | struct mlx4_ib_xrcd *xrcd; | |
8e37210b | 765 | struct ib_cq_init_attr cq_attr = {}; |
012a8ff5 SH |
766 | int err; |
767 | ||
768 | if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)) | |
769 | return ERR_PTR(-ENOSYS); | |
770 | ||
771 | xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL); | |
772 | if (!xrcd) | |
773 | return ERR_PTR(-ENOMEM); | |
774 | ||
775 | err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn); | |
776 | if (err) | |
777 | goto err1; | |
778 | ||
779 | xrcd->pd = ib_alloc_pd(ibdev); | |
780 | if (IS_ERR(xrcd->pd)) { | |
781 | err = PTR_ERR(xrcd->pd); | |
782 | goto err2; | |
783 | } | |
784 | ||
8e37210b MB |
785 | cq_attr.cqe = 1; |
786 | xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, &cq_attr); | |
012a8ff5 SH |
787 | if (IS_ERR(xrcd->cq)) { |
788 | err = PTR_ERR(xrcd->cq); | |
789 | goto err3; | |
790 | } | |
791 | ||
792 | return &xrcd->ibxrcd; | |
793 | ||
794 | err3: | |
795 | ib_dealloc_pd(xrcd->pd); | |
796 | err2: | |
797 | mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn); | |
798 | err1: | |
799 | kfree(xrcd); | |
800 | return ERR_PTR(err); | |
801 | } | |
802 | ||
803 | static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd) | |
804 | { | |
805 | ib_destroy_cq(to_mxrcd(xrcd)->cq); | |
806 | ib_dealloc_pd(to_mxrcd(xrcd)->pd); | |
807 | mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn); | |
808 | kfree(xrcd); | |
809 | ||
810 | return 0; | |
811 | } | |
812 | ||
fa417f7b EC |
813 | static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) |
814 | { | |
815 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
816 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
817 | struct mlx4_ib_gid_entry *ge; | |
818 | ||
819 | ge = kzalloc(sizeof *ge, GFP_KERNEL); | |
820 | if (!ge) | |
821 | return -ENOMEM; | |
822 | ||
823 | ge->gid = *gid; | |
824 | if (mlx4_ib_add_mc(mdev, mqp, gid)) { | |
825 | ge->port = mqp->port; | |
826 | ge->added = 1; | |
827 | } | |
828 | ||
829 | mutex_lock(&mqp->mutex); | |
830 | list_add_tail(&ge->list, &mqp->gid_list); | |
831 | mutex_unlock(&mqp->mutex); | |
832 | ||
833 | return 0; | |
834 | } | |
835 | ||
836 | int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
837 | union ib_gid *gid) | |
838 | { | |
fa417f7b EC |
839 | struct net_device *ndev; |
840 | int ret = 0; | |
841 | ||
842 | if (!mqp->port) | |
843 | return 0; | |
844 | ||
dba3ad2a | 845 | spin_lock_bh(&mdev->iboe.lock); |
fa417f7b EC |
846 | ndev = mdev->iboe.netdevs[mqp->port - 1]; |
847 | if (ndev) | |
848 | dev_hold(ndev); | |
dba3ad2a | 849 | spin_unlock_bh(&mdev->iboe.lock); |
fa417f7b EC |
850 | |
851 | if (ndev) { | |
fa417f7b | 852 | ret = 1; |
fa417f7b EC |
853 | dev_put(ndev); |
854 | } | |
855 | ||
856 | return ret; | |
857 | } | |
858 | ||
0ff1fb65 HHZ |
859 | struct mlx4_ib_steering { |
860 | struct list_head list; | |
146d6e19 | 861 | struct mlx4_flow_reg_id reg_id; |
0ff1fb65 HHZ |
862 | union ib_gid gid; |
863 | }; | |
864 | ||
f77c0162 | 865 | static int parse_flow_attr(struct mlx4_dev *dev, |
a37a1a42 | 866 | u32 qp_num, |
f77c0162 HHZ |
867 | union ib_flow_spec *ib_spec, |
868 | struct _rule_hw *mlx4_spec) | |
869 | { | |
870 | enum mlx4_net_trans_rule_id type; | |
871 | ||
872 | switch (ib_spec->type) { | |
873 | case IB_FLOW_SPEC_ETH: | |
874 | type = MLX4_NET_TRANS_RULE_ID_ETH; | |
875 | memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac, | |
876 | ETH_ALEN); | |
877 | memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac, | |
878 | ETH_ALEN); | |
879 | mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag; | |
880 | mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag; | |
881 | break; | |
a37a1a42 MB |
882 | case IB_FLOW_SPEC_IB: |
883 | type = MLX4_NET_TRANS_RULE_ID_IB; | |
884 | mlx4_spec->ib.l3_qpn = | |
885 | cpu_to_be32(qp_num); | |
886 | mlx4_spec->ib.qpn_mask = | |
887 | cpu_to_be32(MLX4_IB_FLOW_QPN_MASK); | |
888 | break; | |
889 | ||
f77c0162 HHZ |
890 | |
891 | case IB_FLOW_SPEC_IPV4: | |
892 | type = MLX4_NET_TRANS_RULE_ID_IPV4; | |
893 | mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip; | |
894 | mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip; | |
895 | mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip; | |
896 | mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip; | |
897 | break; | |
898 | ||
899 | case IB_FLOW_SPEC_TCP: | |
900 | case IB_FLOW_SPEC_UDP: | |
901 | type = ib_spec->type == IB_FLOW_SPEC_TCP ? | |
902 | MLX4_NET_TRANS_RULE_ID_TCP : | |
903 | MLX4_NET_TRANS_RULE_ID_UDP; | |
904 | mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port; | |
905 | mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port; | |
906 | mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port; | |
907 | mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port; | |
908 | break; | |
909 | ||
910 | default: | |
911 | return -EINVAL; | |
912 | } | |
913 | if (mlx4_map_sw_to_hw_steering_id(dev, type) < 0 || | |
914 | mlx4_hw_rule_sz(dev, type) < 0) | |
915 | return -EINVAL; | |
916 | mlx4_spec->id = cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev, type)); | |
917 | mlx4_spec->size = mlx4_hw_rule_sz(dev, type) >> 2; | |
918 | return mlx4_hw_rule_sz(dev, type); | |
919 | } | |
920 | ||
a37a1a42 MB |
921 | struct default_rules { |
922 | __u32 mandatory_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
923 | __u32 mandatory_not_fields[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
924 | __u32 rules_create_list[IB_FLOW_SPEC_SUPPORT_LAYERS]; | |
925 | __u8 link_layer; | |
926 | }; | |
927 | static const struct default_rules default_table[] = { | |
928 | { | |
929 | .mandatory_fields = {IB_FLOW_SPEC_IPV4}, | |
930 | .mandatory_not_fields = {IB_FLOW_SPEC_ETH}, | |
931 | .rules_create_list = {IB_FLOW_SPEC_IB}, | |
932 | .link_layer = IB_LINK_LAYER_INFINIBAND | |
933 | } | |
934 | }; | |
935 | ||
936 | static int __mlx4_ib_default_rules_match(struct ib_qp *qp, | |
937 | struct ib_flow_attr *flow_attr) | |
938 | { | |
939 | int i, j, k; | |
940 | void *ib_flow; | |
941 | const struct default_rules *pdefault_rules = default_table; | |
942 | u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port); | |
943 | ||
a57f23f6 | 944 | for (i = 0; i < ARRAY_SIZE(default_table); i++, pdefault_rules++) { |
a37a1a42 MB |
945 | __u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS]; |
946 | memset(&field_types, 0, sizeof(field_types)); | |
947 | ||
948 | if (link_layer != pdefault_rules->link_layer) | |
949 | continue; | |
950 | ||
951 | ib_flow = flow_attr + 1; | |
952 | /* we assume the specs are sorted */ | |
953 | for (j = 0, k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS && | |
954 | j < flow_attr->num_of_specs; k++) { | |
955 | union ib_flow_spec *current_flow = | |
956 | (union ib_flow_spec *)ib_flow; | |
957 | ||
958 | /* same layer but different type */ | |
959 | if (((current_flow->type & IB_FLOW_SPEC_LAYER_MASK) == | |
960 | (pdefault_rules->mandatory_fields[k] & | |
961 | IB_FLOW_SPEC_LAYER_MASK)) && | |
962 | (current_flow->type != | |
963 | pdefault_rules->mandatory_fields[k])) | |
964 | goto out; | |
965 | ||
966 | /* same layer, try match next one */ | |
967 | if (current_flow->type == | |
968 | pdefault_rules->mandatory_fields[k]) { | |
969 | j++; | |
970 | ib_flow += | |
971 | ((union ib_flow_spec *)ib_flow)->size; | |
972 | } | |
973 | } | |
974 | ||
975 | ib_flow = flow_attr + 1; | |
976 | for (j = 0; j < flow_attr->num_of_specs; | |
977 | j++, ib_flow += ((union ib_flow_spec *)ib_flow)->size) | |
978 | for (k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS; k++) | |
979 | /* same layer and same type */ | |
980 | if (((union ib_flow_spec *)ib_flow)->type == | |
981 | pdefault_rules->mandatory_not_fields[k]) | |
982 | goto out; | |
983 | ||
984 | return i; | |
985 | } | |
986 | out: | |
987 | return -1; | |
988 | } | |
989 | ||
990 | static int __mlx4_ib_create_default_rules( | |
991 | struct mlx4_ib_dev *mdev, | |
992 | struct ib_qp *qp, | |
993 | const struct default_rules *pdefault_rules, | |
994 | struct _rule_hw *mlx4_spec) { | |
995 | int size = 0; | |
996 | int i; | |
997 | ||
a57f23f6 | 998 | for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) { |
a37a1a42 MB |
999 | int ret; |
1000 | union ib_flow_spec ib_spec; | |
1001 | switch (pdefault_rules->rules_create_list[i]) { | |
1002 | case 0: | |
1003 | /* no rule */ | |
1004 | continue; | |
1005 | case IB_FLOW_SPEC_IB: | |
1006 | ib_spec.type = IB_FLOW_SPEC_IB; | |
1007 | ib_spec.size = sizeof(struct ib_flow_spec_ib); | |
1008 | ||
1009 | break; | |
1010 | default: | |
1011 | /* invalid rule */ | |
1012 | return -EINVAL; | |
1013 | } | |
1014 | /* We must put empty rule, qpn is being ignored */ | |
1015 | ret = parse_flow_attr(mdev->dev, 0, &ib_spec, | |
1016 | mlx4_spec); | |
1017 | if (ret < 0) { | |
1018 | pr_info("invalid parsing\n"); | |
1019 | return -EINVAL; | |
1020 | } | |
1021 | ||
1022 | mlx4_spec = (void *)mlx4_spec + ret; | |
1023 | size += ret; | |
1024 | } | |
1025 | return size; | |
1026 | } | |
1027 | ||
f77c0162 HHZ |
1028 | static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
1029 | int domain, | |
1030 | enum mlx4_net_trans_promisc_mode flow_type, | |
1031 | u64 *reg_id) | |
1032 | { | |
1033 | int ret, i; | |
1034 | int size = 0; | |
1035 | void *ib_flow; | |
1036 | struct mlx4_ib_dev *mdev = to_mdev(qp->device); | |
1037 | struct mlx4_cmd_mailbox *mailbox; | |
1038 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; | |
a37a1a42 | 1039 | int default_flow; |
f77c0162 HHZ |
1040 | |
1041 | static const u16 __mlx4_domain[] = { | |
1042 | [IB_FLOW_DOMAIN_USER] = MLX4_DOMAIN_UVERBS, | |
1043 | [IB_FLOW_DOMAIN_ETHTOOL] = MLX4_DOMAIN_ETHTOOL, | |
1044 | [IB_FLOW_DOMAIN_RFS] = MLX4_DOMAIN_RFS, | |
1045 | [IB_FLOW_DOMAIN_NIC] = MLX4_DOMAIN_NIC, | |
1046 | }; | |
1047 | ||
1048 | if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) { | |
1049 | pr_err("Invalid priority value %d\n", flow_attr->priority); | |
1050 | return -EINVAL; | |
1051 | } | |
1052 | ||
1053 | if (domain >= IB_FLOW_DOMAIN_NUM) { | |
1054 | pr_err("Invalid domain value %d\n", domain); | |
1055 | return -EINVAL; | |
1056 | } | |
1057 | ||
1058 | if (mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0) | |
1059 | return -EINVAL; | |
1060 | ||
1061 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); | |
1062 | if (IS_ERR(mailbox)) | |
1063 | return PTR_ERR(mailbox); | |
f77c0162 HHZ |
1064 | ctrl = mailbox->buf; |
1065 | ||
1066 | ctrl->prio = cpu_to_be16(__mlx4_domain[domain] | | |
1067 | flow_attr->priority); | |
1068 | ctrl->type = mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type); | |
1069 | ctrl->port = flow_attr->port; | |
1070 | ctrl->qpn = cpu_to_be32(qp->qp_num); | |
1071 | ||
1072 | ib_flow = flow_attr + 1; | |
1073 | size += sizeof(struct mlx4_net_trans_rule_hw_ctrl); | |
a37a1a42 MB |
1074 | /* Add default flows */ |
1075 | default_flow = __mlx4_ib_default_rules_match(qp, flow_attr); | |
1076 | if (default_flow >= 0) { | |
1077 | ret = __mlx4_ib_create_default_rules( | |
1078 | mdev, qp, default_table + default_flow, | |
1079 | mailbox->buf + size); | |
1080 | if (ret < 0) { | |
1081 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1082 | return -EINVAL; | |
1083 | } | |
1084 | size += ret; | |
1085 | } | |
f77c0162 | 1086 | for (i = 0; i < flow_attr->num_of_specs; i++) { |
a37a1a42 MB |
1087 | ret = parse_flow_attr(mdev->dev, qp->qp_num, ib_flow, |
1088 | mailbox->buf + size); | |
f77c0162 HHZ |
1089 | if (ret < 0) { |
1090 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1091 | return -EINVAL; | |
1092 | } | |
1093 | ib_flow += ((union ib_flow_spec *) ib_flow)->size; | |
1094 | size += ret; | |
1095 | } | |
1096 | ||
1097 | ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0, | |
1098 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
1099 | MLX4_CMD_NATIVE); | |
1100 | if (ret == -ENOMEM) | |
1101 | pr_err("mcg table is full. Fail to register network rule.\n"); | |
1102 | else if (ret == -ENXIO) | |
1103 | pr_err("Device managed flow steering is disabled. Fail to register network rule.\n"); | |
1104 | else if (ret) | |
1105 | pr_err("Invalid argumant. Fail to register network rule.\n"); | |
1106 | ||
1107 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); | |
1108 | return ret; | |
1109 | } | |
1110 | ||
1111 | static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id) | |
1112 | { | |
1113 | int err; | |
1114 | err = mlx4_cmd(dev, reg_id, 0, 0, | |
1115 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, | |
1116 | MLX4_CMD_NATIVE); | |
1117 | if (err) | |
1118 | pr_err("Fail to detach network rule. registration id = 0x%llx\n", | |
1119 | reg_id); | |
1120 | return err; | |
1121 | } | |
1122 | ||
d2fce8a9 OG |
1123 | static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr, |
1124 | u64 *reg_id) | |
1125 | { | |
1126 | void *ib_flow; | |
1127 | union ib_flow_spec *ib_spec; | |
1128 | struct mlx4_dev *dev = to_mdev(qp->device)->dev; | |
1129 | int err = 0; | |
1130 | ||
5eff6dad OG |
1131 | if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN || |
1132 | dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) | |
d2fce8a9 OG |
1133 | return 0; /* do nothing */ |
1134 | ||
1135 | ib_flow = flow_attr + 1; | |
1136 | ib_spec = (union ib_flow_spec *)ib_flow; | |
1137 | ||
1138 | if (ib_spec->type != IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1) | |
1139 | return 0; /* do nothing */ | |
1140 | ||
1141 | err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac, | |
1142 | flow_attr->port, qp->qp_num, | |
1143 | MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff), | |
1144 | reg_id); | |
1145 | return err; | |
1146 | } | |
1147 | ||
f77c0162 HHZ |
1148 | static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, |
1149 | struct ib_flow_attr *flow_attr, | |
1150 | int domain) | |
1151 | { | |
146d6e19 | 1152 | int err = 0, i = 0, j = 0; |
f77c0162 HHZ |
1153 | struct mlx4_ib_flow *mflow; |
1154 | enum mlx4_net_trans_promisc_mode type[2]; | |
146d6e19 MS |
1155 | struct mlx4_dev *dev = (to_mdev(qp->device))->dev; |
1156 | int is_bonded = mlx4_is_bonded(dev); | |
f77c0162 HHZ |
1157 | |
1158 | memset(type, 0, sizeof(type)); | |
1159 | ||
1160 | mflow = kzalloc(sizeof(*mflow), GFP_KERNEL); | |
1161 | if (!mflow) { | |
1162 | err = -ENOMEM; | |
1163 | goto err_free; | |
1164 | } | |
1165 | ||
1166 | switch (flow_attr->type) { | |
1167 | case IB_FLOW_ATTR_NORMAL: | |
1168 | type[0] = MLX4_FS_REGULAR; | |
1169 | break; | |
1170 | ||
1171 | case IB_FLOW_ATTR_ALL_DEFAULT: | |
1172 | type[0] = MLX4_FS_ALL_DEFAULT; | |
1173 | break; | |
1174 | ||
1175 | case IB_FLOW_ATTR_MC_DEFAULT: | |
1176 | type[0] = MLX4_FS_MC_DEFAULT; | |
1177 | break; | |
1178 | ||
1179 | case IB_FLOW_ATTR_SNIFFER: | |
1180 | type[0] = MLX4_FS_UC_SNIFFER; | |
1181 | type[1] = MLX4_FS_MC_SNIFFER; | |
1182 | break; | |
1183 | ||
1184 | default: | |
1185 | err = -EINVAL; | |
1186 | goto err_free; | |
1187 | } | |
1188 | ||
1189 | while (i < ARRAY_SIZE(type) && type[i]) { | |
1190 | err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i], | |
146d6e19 | 1191 | &mflow->reg_id[i].id); |
f77c0162 | 1192 | if (err) |
571e1b2c | 1193 | goto err_create_flow; |
146d6e19 | 1194 | if (is_bonded) { |
824c25c1 MS |
1195 | /* Application always sees one port so the mirror rule |
1196 | * must be on port #2 | |
1197 | */ | |
146d6e19 MS |
1198 | flow_attr->port = 2; |
1199 | err = __mlx4_ib_create_flow(qp, flow_attr, | |
1200 | domain, type[j], | |
1201 | &mflow->reg_id[j].mirror); | |
1202 | flow_attr->port = 1; | |
1203 | if (err) | |
1204 | goto err_create_flow; | |
1205 | j++; | |
1206 | } | |
1207 | ||
11562568 | 1208 | i++; |
f77c0162 HHZ |
1209 | } |
1210 | ||
d2fce8a9 | 1211 | if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) { |
146d6e19 MS |
1212 | err = mlx4_ib_tunnel_steer_add(qp, flow_attr, |
1213 | &mflow->reg_id[i].id); | |
d2fce8a9 | 1214 | if (err) |
571e1b2c | 1215 | goto err_create_flow; |
11562568 | 1216 | |
146d6e19 MS |
1217 | if (is_bonded) { |
1218 | flow_attr->port = 2; | |
1219 | err = mlx4_ib_tunnel_steer_add(qp, flow_attr, | |
1220 | &mflow->reg_id[j].mirror); | |
1221 | flow_attr->port = 1; | |
1222 | if (err) | |
1223 | goto err_create_flow; | |
1224 | j++; | |
1225 | } | |
1226 | /* function to create mirror rule */ | |
11562568 | 1227 | i++; |
d2fce8a9 OG |
1228 | } |
1229 | ||
f77c0162 HHZ |
1230 | return &mflow->ibflow; |
1231 | ||
571e1b2c OG |
1232 | err_create_flow: |
1233 | while (i) { | |
146d6e19 MS |
1234 | (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev, |
1235 | mflow->reg_id[i].id); | |
571e1b2c OG |
1236 | i--; |
1237 | } | |
146d6e19 MS |
1238 | |
1239 | while (j) { | |
1240 | (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev, | |
1241 | mflow->reg_id[j].mirror); | |
1242 | j--; | |
1243 | } | |
f77c0162 HHZ |
1244 | err_free: |
1245 | kfree(mflow); | |
1246 | return ERR_PTR(err); | |
1247 | } | |
1248 | ||
1249 | static int mlx4_ib_destroy_flow(struct ib_flow *flow_id) | |
1250 | { | |
1251 | int err, ret = 0; | |
1252 | int i = 0; | |
1253 | struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device); | |
1254 | struct mlx4_ib_flow *mflow = to_mflow(flow_id); | |
1255 | ||
146d6e19 MS |
1256 | while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i].id) { |
1257 | err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i].id); | |
f77c0162 HHZ |
1258 | if (err) |
1259 | ret = err; | |
146d6e19 MS |
1260 | if (mflow->reg_id[i].mirror) { |
1261 | err = __mlx4_ib_destroy_flow(mdev->dev, | |
1262 | mflow->reg_id[i].mirror); | |
1263 | if (err) | |
1264 | ret = err; | |
1265 | } | |
f77c0162 HHZ |
1266 | i++; |
1267 | } | |
1268 | ||
1269 | kfree(mflow); | |
1270 | return ret; | |
1271 | } | |
1272 | ||
225c7b1f RD |
1273 | static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
1274 | { | |
fa417f7b EC |
1275 | int err; |
1276 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
146d6e19 | 1277 | struct mlx4_dev *dev = mdev->dev; |
fa417f7b | 1278 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
0ff1fb65 | 1279 | struct mlx4_ib_steering *ib_steering = NULL; |
e9a7faf1 | 1280 | enum mlx4_protocol prot = MLX4_PROT_IB_IPV6; |
146d6e19 | 1281 | struct mlx4_flow_reg_id reg_id; |
0ff1fb65 HHZ |
1282 | |
1283 | if (mdev->dev->caps.steering_mode == | |
1284 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1285 | ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL); | |
1286 | if (!ib_steering) | |
1287 | return -ENOMEM; | |
1288 | } | |
fa417f7b | 1289 | |
0ff1fb65 HHZ |
1290 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port, |
1291 | !!(mqp->flags & | |
1292 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), | |
146d6e19 | 1293 | prot, ®_id.id); |
e9a7faf1 OG |
1294 | if (err) { |
1295 | pr_err("multicast attach op failed, err %d\n", err); | |
0ff1fb65 | 1296 | goto err_malloc; |
e9a7faf1 | 1297 | } |
fa417f7b | 1298 | |
146d6e19 MS |
1299 | reg_id.mirror = 0; |
1300 | if (mlx4_is_bonded(dev)) { | |
824c25c1 MS |
1301 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, |
1302 | (mqp->port == 1) ? 2 : 1, | |
146d6e19 MS |
1303 | !!(mqp->flags & |
1304 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), | |
1305 | prot, ®_id.mirror); | |
1306 | if (err) | |
1307 | goto err_add; | |
1308 | } | |
1309 | ||
fa417f7b EC |
1310 | err = add_gid_entry(ibqp, gid); |
1311 | if (err) | |
1312 | goto err_add; | |
1313 | ||
0ff1fb65 HHZ |
1314 | if (ib_steering) { |
1315 | memcpy(ib_steering->gid.raw, gid->raw, 16); | |
1316 | ib_steering->reg_id = reg_id; | |
1317 | mutex_lock(&mqp->mutex); | |
1318 | list_add(&ib_steering->list, &mqp->steering_rules); | |
1319 | mutex_unlock(&mqp->mutex); | |
1320 | } | |
fa417f7b EC |
1321 | return 0; |
1322 | ||
1323 | err_add: | |
0ff1fb65 | 1324 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
146d6e19 MS |
1325 | prot, reg_id.id); |
1326 | if (reg_id.mirror) | |
1327 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, | |
1328 | prot, reg_id.mirror); | |
0ff1fb65 HHZ |
1329 | err_malloc: |
1330 | kfree(ib_steering); | |
1331 | ||
fa417f7b EC |
1332 | return err; |
1333 | } | |
1334 | ||
1335 | static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) | |
1336 | { | |
1337 | struct mlx4_ib_gid_entry *ge; | |
1338 | struct mlx4_ib_gid_entry *tmp; | |
1339 | struct mlx4_ib_gid_entry *ret = NULL; | |
1340 | ||
1341 | list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { | |
1342 | if (!memcmp(raw, ge->gid.raw, 16)) { | |
1343 | ret = ge; | |
1344 | break; | |
1345 | } | |
1346 | } | |
1347 | ||
1348 | return ret; | |
225c7b1f RD |
1349 | } |
1350 | ||
1351 | static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
1352 | { | |
fa417f7b EC |
1353 | int err; |
1354 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
146d6e19 | 1355 | struct mlx4_dev *dev = mdev->dev; |
fa417f7b | 1356 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
fa417f7b EC |
1357 | struct net_device *ndev; |
1358 | struct mlx4_ib_gid_entry *ge; | |
146d6e19 | 1359 | struct mlx4_flow_reg_id reg_id = {0, 0}; |
e9a7faf1 | 1360 | enum mlx4_protocol prot = MLX4_PROT_IB_IPV6; |
0ff1fb65 HHZ |
1361 | |
1362 | if (mdev->dev->caps.steering_mode == | |
1363 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1364 | struct mlx4_ib_steering *ib_steering; | |
1365 | ||
1366 | mutex_lock(&mqp->mutex); | |
1367 | list_for_each_entry(ib_steering, &mqp->steering_rules, list) { | |
1368 | if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) { | |
1369 | list_del(&ib_steering->list); | |
1370 | break; | |
1371 | } | |
1372 | } | |
1373 | mutex_unlock(&mqp->mutex); | |
1374 | if (&ib_steering->list == &mqp->steering_rules) { | |
1375 | pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n"); | |
1376 | return -EINVAL; | |
1377 | } | |
1378 | reg_id = ib_steering->reg_id; | |
1379 | kfree(ib_steering); | |
1380 | } | |
fa417f7b | 1381 | |
0ff1fb65 | 1382 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
146d6e19 | 1383 | prot, reg_id.id); |
fa417f7b EC |
1384 | if (err) |
1385 | return err; | |
1386 | ||
146d6e19 MS |
1387 | if (mlx4_is_bonded(dev)) { |
1388 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, | |
1389 | prot, reg_id.mirror); | |
1390 | if (err) | |
1391 | return err; | |
1392 | } | |
1393 | ||
fa417f7b EC |
1394 | mutex_lock(&mqp->mutex); |
1395 | ge = find_gid_entry(mqp, gid->raw); | |
1396 | if (ge) { | |
dba3ad2a | 1397 | spin_lock_bh(&mdev->iboe.lock); |
fa417f7b EC |
1398 | ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; |
1399 | if (ndev) | |
1400 | dev_hold(ndev); | |
dba3ad2a | 1401 | spin_unlock_bh(&mdev->iboe.lock); |
d487ee77 | 1402 | if (ndev) |
fa417f7b | 1403 | dev_put(ndev); |
fa417f7b EC |
1404 | list_del(&ge->list); |
1405 | kfree(ge); | |
1406 | } else | |
987c8f8f | 1407 | pr_warn("could not find mgid entry\n"); |
fa417f7b EC |
1408 | |
1409 | mutex_unlock(&mqp->mutex); | |
1410 | ||
1411 | return 0; | |
225c7b1f RD |
1412 | } |
1413 | ||
1414 | static int init_node_data(struct mlx4_ib_dev *dev) | |
1415 | { | |
1416 | struct ib_smp *in_mad = NULL; | |
1417 | struct ib_smp *out_mad = NULL; | |
0a9a0188 | 1418 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
225c7b1f RD |
1419 | int err = -ENOMEM; |
1420 | ||
1421 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
1422 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
1423 | if (!in_mad || !out_mad) | |
1424 | goto out; | |
1425 | ||
1426 | init_query_mad(in_mad); | |
1427 | in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; | |
0a9a0188 JM |
1428 | if (mlx4_is_master(dev->dev)) |
1429 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; | |
225c7b1f | 1430 | |
0a9a0188 | 1431 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
1432 | if (err) |
1433 | goto out; | |
1434 | ||
1435 | memcpy(dev->ib_dev.node_desc, out_mad->data, 64); | |
1436 | ||
1437 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
1438 | ||
0a9a0188 | 1439 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
225c7b1f RD |
1440 | if (err) |
1441 | goto out; | |
1442 | ||
992e8e6e | 1443 | dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
225c7b1f RD |
1444 | memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8); |
1445 | ||
1446 | out: | |
1447 | kfree(in_mad); | |
1448 | kfree(out_mad); | |
1449 | return err; | |
1450 | } | |
1451 | ||
f4e91eb4 TJ |
1452 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, |
1453 | char *buf) | |
cd9281d8 | 1454 | { |
f4e91eb4 TJ |
1455 | struct mlx4_ib_dev *dev = |
1456 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
872bf2fb | 1457 | return sprintf(buf, "MT%d\n", dev->dev->persist->pdev->device); |
cd9281d8 JM |
1458 | } |
1459 | ||
f4e91eb4 TJ |
1460 | static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, |
1461 | char *buf) | |
cd9281d8 | 1462 | { |
f4e91eb4 TJ |
1463 | struct mlx4_ib_dev *dev = |
1464 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1465 | return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32), |
1466 | (int) (dev->dev->caps.fw_ver >> 16) & 0xffff, | |
1467 | (int) dev->dev->caps.fw_ver & 0xffff); | |
1468 | } | |
1469 | ||
f4e91eb4 TJ |
1470 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
1471 | char *buf) | |
cd9281d8 | 1472 | { |
f4e91eb4 TJ |
1473 | struct mlx4_ib_dev *dev = |
1474 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
1475 | return sprintf(buf, "%x\n", dev->dev->rev_id); |
1476 | } | |
1477 | ||
f4e91eb4 TJ |
1478 | static ssize_t show_board(struct device *device, struct device_attribute *attr, |
1479 | char *buf) | |
cd9281d8 | 1480 | { |
f4e91eb4 TJ |
1481 | struct mlx4_ib_dev *dev = |
1482 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
1483 | return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, | |
1484 | dev->dev->board_id); | |
cd9281d8 JM |
1485 | } |
1486 | ||
f4e91eb4 TJ |
1487 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); |
1488 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
1489 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); | |
1490 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
cd9281d8 | 1491 | |
f4e91eb4 TJ |
1492 | static struct device_attribute *mlx4_class_attributes[] = { |
1493 | &dev_attr_hw_rev, | |
1494 | &dev_attr_fw_ver, | |
1495 | &dev_attr_hca_type, | |
1496 | &dev_attr_board_id | |
cd9281d8 JM |
1497 | }; |
1498 | ||
acc4fccf MS |
1499 | static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, |
1500 | struct net_device *dev) | |
1501 | { | |
1502 | memcpy(eui, dev->dev_addr, 3); | |
1503 | memcpy(eui + 5, dev->dev_addr + 3, 3); | |
1504 | if (vlan_id < 0x1000) { | |
1505 | eui[3] = vlan_id >> 8; | |
1506 | eui[4] = vlan_id & 0xff; | |
1507 | } else { | |
1508 | eui[3] = 0xff; | |
1509 | eui[4] = 0xfe; | |
1510 | } | |
1511 | eui[0] ^= 2; | |
1512 | } | |
1513 | ||
fa417f7b EC |
1514 | static void update_gids_task(struct work_struct *work) |
1515 | { | |
1516 | struct update_gid_work *gw = container_of(work, struct update_gid_work, work); | |
1517 | struct mlx4_cmd_mailbox *mailbox; | |
1518 | union ib_gid *gids; | |
1519 | int err; | |
1520 | struct mlx4_dev *dev = gw->dev->dev; | |
a5750090 | 1521 | int is_bonded = mlx4_is_bonded(dev); |
fa417f7b | 1522 | |
4bf9715f MS |
1523 | if (!gw->dev->ib_active) |
1524 | return; | |
1525 | ||
fa417f7b EC |
1526 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1527 | if (IS_ERR(mailbox)) { | |
987c8f8f | 1528 | pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox)); |
fa417f7b EC |
1529 | return; |
1530 | } | |
1531 | ||
1532 | gids = mailbox->buf; | |
1533 | memcpy(gids, gw->gids, sizeof gw->gids); | |
1534 | ||
1535 | err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
a130b590 IS |
1536 | MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, |
1537 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); | |
fa417f7b | 1538 | if (err) |
987c8f8f | 1539 | pr_warn("set port command failed\n"); |
d487ee77 | 1540 | else |
a5750090 MS |
1541 | if ((gw->port == 1) || !is_bonded) |
1542 | mlx4_ib_dispatch_event(gw->dev, | |
1543 | is_bonded ? 1 : gw->port, | |
1544 | IB_EVENT_GID_CHANGE); | |
fa417f7b EC |
1545 | |
1546 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1547 | kfree(gw); | |
1548 | } | |
1549 | ||
d487ee77 | 1550 | static void reset_gids_task(struct work_struct *work) |
fa417f7b | 1551 | { |
d487ee77 MS |
1552 | struct update_gid_work *gw = |
1553 | container_of(work, struct update_gid_work, work); | |
1554 | struct mlx4_cmd_mailbox *mailbox; | |
1555 | union ib_gid *gids; | |
1556 | int err; | |
d487ee77 | 1557 | struct mlx4_dev *dev = gw->dev->dev; |
fa417f7b | 1558 | |
4bf9715f MS |
1559 | if (!gw->dev->ib_active) |
1560 | return; | |
1561 | ||
d487ee77 MS |
1562 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1563 | if (IS_ERR(mailbox)) { | |
1564 | pr_warn("reset gid table failed\n"); | |
1565 | goto free; | |
1566 | } | |
fa417f7b | 1567 | |
d487ee77 MS |
1568 | gids = mailbox->buf; |
1569 | memcpy(gids, gw->gids, sizeof(gw->gids)); | |
1570 | ||
5071456f MS |
1571 | if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) == |
1572 | IB_LINK_LAYER_ETHERNET) { | |
1573 | err = mlx4_cmd(dev, mailbox->dma, | |
1574 | MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
a130b590 | 1575 | MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, |
5071456f MS |
1576 | MLX4_CMD_TIME_CLASS_B, |
1577 | MLX4_CMD_WRAPPED); | |
1578 | if (err) | |
f4f01b54 | 1579 | pr_warn("set port %d command failed\n", gw->port); |
4c3eb3ca EC |
1580 | } |
1581 | ||
d487ee77 MS |
1582 | mlx4_free_cmd_mailbox(dev, mailbox); |
1583 | free: | |
1584 | kfree(gw); | |
1585 | } | |
4c3eb3ca | 1586 | |
d487ee77 | 1587 | static int update_gid_table(struct mlx4_ib_dev *dev, int port, |
acc4fccf MS |
1588 | union ib_gid *gid, int clear, |
1589 | int default_gid) | |
d487ee77 MS |
1590 | { |
1591 | struct update_gid_work *work; | |
1592 | int i; | |
1593 | int need_update = 0; | |
1594 | int free = -1; | |
1595 | int found = -1; | |
1596 | int max_gids; | |
1597 | ||
acc4fccf MS |
1598 | if (default_gid) { |
1599 | free = 0; | |
1600 | } else { | |
1601 | max_gids = dev->dev->caps.gid_table_len[port]; | |
1602 | for (i = 1; i < max_gids; ++i) { | |
1603 | if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, | |
d487ee77 | 1604 | sizeof(*gid))) |
acc4fccf MS |
1605 | found = i; |
1606 | ||
1607 | if (clear) { | |
1608 | if (found >= 0) { | |
1609 | need_update = 1; | |
1610 | dev->iboe.gid_table[port - 1][found] = | |
1611 | zgid; | |
1612 | break; | |
1613 | } | |
1614 | } else { | |
1615 | if (found >= 0) | |
1616 | break; | |
1617 | ||
1618 | if (free < 0 && | |
1619 | !memcmp(&dev->iboe.gid_table[port - 1][i], | |
1620 | &zgid, sizeof(*gid))) | |
1621 | free = i; | |
1622 | } | |
4c3eb3ca | 1623 | } |
fa417f7b | 1624 | } |
4c3eb3ca | 1625 | |
d487ee77 MS |
1626 | if (found == -1 && !clear && free >= 0) { |
1627 | dev->iboe.gid_table[port - 1][free] = *gid; | |
1628 | need_update = 1; | |
1629 | } | |
fa417f7b | 1630 | |
d487ee77 MS |
1631 | if (!need_update) |
1632 | return 0; | |
1633 | ||
1634 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
1635 | if (!work) | |
1636 | return -ENOMEM; | |
1637 | ||
1638 | memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof(work->gids)); | |
1639 | INIT_WORK(&work->work, update_gids_task); | |
1640 | work->port = port; | |
1641 | work->dev = dev; | |
1642 | queue_work(wq, &work->work); | |
fa417f7b EC |
1643 | |
1644 | return 0; | |
d487ee77 | 1645 | } |
4c3eb3ca | 1646 | |
acc4fccf | 1647 | static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid) |
d487ee77 | 1648 | { |
acc4fccf MS |
1649 | gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); |
1650 | mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev); | |
1651 | } | |
1652 | ||
d487ee77 | 1653 | |
5071456f | 1654 | static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port) |
d487ee77 MS |
1655 | { |
1656 | struct update_gid_work *work; | |
d487ee77 MS |
1657 | |
1658 | work = kzalloc(sizeof(*work), GFP_ATOMIC); | |
1659 | if (!work) | |
1660 | return -ENOMEM; | |
5071456f MS |
1661 | |
1662 | memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids)); | |
d487ee77 MS |
1663 | memset(work->gids, 0, sizeof(work->gids)); |
1664 | INIT_WORK(&work->work, reset_gids_task); | |
1665 | work->dev = dev; | |
5071456f | 1666 | work->port = port; |
d487ee77 MS |
1667 | queue_work(wq, &work->work); |
1668 | return 0; | |
fa417f7b EC |
1669 | } |
1670 | ||
d487ee77 MS |
1671 | static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, |
1672 | struct mlx4_ib_dev *ibdev, union ib_gid *gid) | |
fa417f7b | 1673 | { |
d487ee77 MS |
1674 | struct mlx4_ib_iboe *iboe; |
1675 | int port = 0; | |
1676 | struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ? | |
1677 | rdma_vlan_dev_real_dev(event_netdev) : | |
1678 | event_netdev; | |
acc4fccf MS |
1679 | union ib_gid default_gid; |
1680 | ||
1681 | mlx4_make_default_gid(real_dev, &default_gid); | |
1682 | ||
1683 | if (!memcmp(gid, &default_gid, sizeof(*gid))) | |
1684 | return 0; | |
d487ee77 MS |
1685 | |
1686 | if (event != NETDEV_DOWN && event != NETDEV_UP) | |
1687 | return 0; | |
1688 | ||
1689 | if ((real_dev != event_netdev) && | |
1690 | (event == NETDEV_DOWN) && | |
1691 | rdma_link_local_addr((struct in6_addr *)gid)) | |
1692 | return 0; | |
1693 | ||
1694 | iboe = &ibdev->iboe; | |
dba3ad2a | 1695 | spin_lock_bh(&iboe->lock); |
d487ee77 | 1696 | |
82373701 | 1697 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) |
d487ee77 MS |
1698 | if ((netif_is_bond_master(real_dev) && |
1699 | (real_dev == iboe->masters[port - 1])) || | |
1700 | (!netif_is_bond_master(real_dev) && | |
1701 | (real_dev == iboe->netdevs[port - 1]))) | |
1702 | update_gid_table(ibdev, port, gid, | |
acc4fccf | 1703 | event == NETDEV_DOWN, 0); |
d487ee77 | 1704 | |
dba3ad2a | 1705 | spin_unlock_bh(&iboe->lock); |
d487ee77 | 1706 | return 0; |
fa417f7b | 1707 | |
fa417f7b EC |
1708 | } |
1709 | ||
d487ee77 MS |
1710 | static u8 mlx4_ib_get_dev_port(struct net_device *dev, |
1711 | struct mlx4_ib_dev *ibdev) | |
fa417f7b | 1712 | { |
d487ee77 MS |
1713 | u8 port = 0; |
1714 | struct mlx4_ib_iboe *iboe; | |
1715 | struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ? | |
1716 | rdma_vlan_dev_real_dev(dev) : dev; | |
1717 | ||
1718 | iboe = &ibdev->iboe; | |
d487ee77 | 1719 | |
82373701 | 1720 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) |
d487ee77 MS |
1721 | if ((netif_is_bond_master(real_dev) && |
1722 | (real_dev == iboe->masters[port - 1])) || | |
1723 | (!netif_is_bond_master(real_dev) && | |
1724 | (real_dev == iboe->netdevs[port - 1]))) | |
1725 | break; | |
1726 | ||
82373701 | 1727 | if ((port == 0) || (port > ibdev->dev->caps.num_ports)) |
d487ee77 MS |
1728 | return 0; |
1729 | else | |
1730 | return port; | |
fa417f7b EC |
1731 | } |
1732 | ||
d487ee77 MS |
1733 | static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event, |
1734 | void *ptr) | |
fa417f7b | 1735 | { |
d487ee77 MS |
1736 | struct mlx4_ib_dev *ibdev; |
1737 | struct in_ifaddr *ifa = ptr; | |
1738 | union ib_gid gid; | |
1739 | struct net_device *event_netdev = ifa->ifa_dev->dev; | |
1740 | ||
1741 | ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid); | |
1742 | ||
1743 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet); | |
1744 | ||
1745 | mlx4_ib_addr_event(event, event_netdev, ibdev, &gid); | |
1746 | return NOTIFY_DONE; | |
fa417f7b EC |
1747 | } |
1748 | ||
27cdef63 | 1749 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 | 1750 | static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event, |
fa417f7b EC |
1751 | void *ptr) |
1752 | { | |
fa417f7b | 1753 | struct mlx4_ib_dev *ibdev; |
d487ee77 MS |
1754 | struct inet6_ifaddr *ifa = ptr; |
1755 | union ib_gid *gid = (union ib_gid *)&ifa->addr; | |
1756 | struct net_device *event_netdev = ifa->idev->dev; | |
1757 | ||
1758 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet6); | |
1759 | ||
1760 | mlx4_ib_addr_event(event, event_netdev, ibdev, gid); | |
1761 | return NOTIFY_DONE; | |
1762 | } | |
1763 | #endif | |
1764 | ||
9433c188 MB |
1765 | #define MLX4_IB_INVALID_MAC ((u64)-1) |
1766 | static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev, | |
1767 | struct net_device *dev, | |
1768 | int port) | |
1769 | { | |
1770 | u64 new_smac = 0; | |
1771 | u64 release_mac = MLX4_IB_INVALID_MAC; | |
1772 | struct mlx4_ib_qp *qp; | |
1773 | ||
1774 | read_lock(&dev_base_lock); | |
1775 | new_smac = mlx4_mac_to_u64(dev->dev_addr); | |
1776 | read_unlock(&dev_base_lock); | |
1777 | ||
3e0629cb JM |
1778 | atomic64_set(&ibdev->iboe.mac[port - 1], new_smac); |
1779 | ||
d24d9f43 JM |
1780 | /* no need for update QP1 and mac registration in non-SRIOV */ |
1781 | if (!mlx4_is_mfunc(ibdev->dev)) | |
1782 | return; | |
1783 | ||
9433c188 MB |
1784 | mutex_lock(&ibdev->qp1_proxy_lock[port - 1]); |
1785 | qp = ibdev->qp1_proxy[port - 1]; | |
1786 | if (qp) { | |
1787 | int new_smac_index; | |
25476b02 | 1788 | u64 old_smac; |
9433c188 MB |
1789 | struct mlx4_update_qp_params update_params; |
1790 | ||
25476b02 JM |
1791 | mutex_lock(&qp->mutex); |
1792 | old_smac = qp->pri.smac; | |
9433c188 MB |
1793 | if (new_smac == old_smac) |
1794 | goto unlock; | |
1795 | ||
1796 | new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac); | |
1797 | ||
1798 | if (new_smac_index < 0) | |
1799 | goto unlock; | |
1800 | ||
1801 | update_params.smac_index = new_smac_index; | |
09e05c3f | 1802 | if (mlx4_update_qp(ibdev->dev, qp->mqp.qpn, MLX4_UPDATE_QP_SMAC, |
9433c188 MB |
1803 | &update_params)) { |
1804 | release_mac = new_smac; | |
1805 | goto unlock; | |
1806 | } | |
25476b02 JM |
1807 | /* if old port was zero, no mac was yet registered for this QP */ |
1808 | if (qp->pri.smac_port) | |
1809 | release_mac = old_smac; | |
9433c188 | 1810 | qp->pri.smac = new_smac; |
25476b02 | 1811 | qp->pri.smac_port = port; |
9433c188 | 1812 | qp->pri.smac_index = new_smac_index; |
9433c188 MB |
1813 | } |
1814 | ||
1815 | unlock: | |
9433c188 MB |
1816 | if (release_mac != MLX4_IB_INVALID_MAC) |
1817 | mlx4_unregister_mac(ibdev->dev, port, release_mac); | |
25476b02 JM |
1818 | if (qp) |
1819 | mutex_unlock(&qp->mutex); | |
1820 | mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]); | |
9433c188 MB |
1821 | } |
1822 | ||
d487ee77 MS |
1823 | static void mlx4_ib_get_dev_addr(struct net_device *dev, |
1824 | struct mlx4_ib_dev *ibdev, u8 port) | |
1825 | { | |
1826 | struct in_device *in_dev; | |
27cdef63 | 1827 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
1828 | struct inet6_dev *in6_dev; |
1829 | union ib_gid *pgid; | |
1830 | struct inet6_ifaddr *ifp; | |
f5c4834d | 1831 | union ib_gid default_gid; |
d487ee77 MS |
1832 | #endif |
1833 | union ib_gid gid; | |
1834 | ||
1835 | ||
82373701 | 1836 | if ((port == 0) || (port > ibdev->dev->caps.num_ports)) |
d487ee77 MS |
1837 | return; |
1838 | ||
1839 | /* IPv4 gids */ | |
1840 | in_dev = in_dev_get(dev); | |
1841 | if (in_dev) { | |
1842 | for_ifa(in_dev) { | |
1843 | /*ifa->ifa_address;*/ | |
1844 | ipv6_addr_set_v4mapped(ifa->ifa_address, | |
1845 | (struct in6_addr *)&gid); | |
acc4fccf | 1846 | update_gid_table(ibdev, port, &gid, 0, 0); |
d487ee77 MS |
1847 | } |
1848 | endfor_ifa(in_dev); | |
1849 | in_dev_put(in_dev); | |
1850 | } | |
27cdef63 | 1851 | #if IS_ENABLED(CONFIG_IPV6) |
f5c4834d | 1852 | mlx4_make_default_gid(dev, &default_gid); |
d487ee77 MS |
1853 | /* IPv6 gids */ |
1854 | in6_dev = in6_dev_get(dev); | |
1855 | if (in6_dev) { | |
1856 | read_lock_bh(&in6_dev->lock); | |
1857 | list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { | |
1858 | pgid = (union ib_gid *)&ifp->addr; | |
f5c4834d MS |
1859 | if (!memcmp(pgid, &default_gid, sizeof(*pgid))) |
1860 | continue; | |
acc4fccf | 1861 | update_gid_table(ibdev, port, pgid, 0, 0); |
d487ee77 MS |
1862 | } |
1863 | read_unlock_bh(&in6_dev->lock); | |
1864 | in6_dev_put(in6_dev); | |
1865 | } | |
1866 | #endif | |
1867 | } | |
1868 | ||
acc4fccf MS |
1869 | static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev, |
1870 | struct net_device *dev, u8 port) | |
1871 | { | |
1872 | union ib_gid gid; | |
1873 | mlx4_make_default_gid(dev, &gid); | |
1874 | update_gid_table(ibdev, port, &gid, 0, 1); | |
1875 | } | |
1876 | ||
d487ee77 MS |
1877 | static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) |
1878 | { | |
1879 | struct net_device *dev; | |
ddf8bd34 | 1880 | struct mlx4_ib_iboe *iboe = &ibdev->iboe; |
5071456f | 1881 | int i; |
655b2aae | 1882 | int err = 0; |
d487ee77 | 1883 | |
655b2aae MS |
1884 | for (i = 1; i <= ibdev->num_ports; ++i) { |
1885 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) == | |
1886 | IB_LINK_LAYER_ETHERNET) { | |
1887 | err = reset_gid_table(ibdev, i); | |
1888 | if (err) | |
1889 | goto out; | |
1890 | } | |
1891 | } | |
d487ee77 MS |
1892 | |
1893 | read_lock(&dev_base_lock); | |
dba3ad2a | 1894 | spin_lock_bh(&iboe->lock); |
d487ee77 MS |
1895 | |
1896 | for_each_netdev(&init_net, dev) { | |
1897 | u8 port = mlx4_ib_get_dev_port(dev, ibdev); | |
655b2aae MS |
1898 | /* port will be non-zero only for ETH ports */ |
1899 | if (port) { | |
1900 | mlx4_ib_set_default_gid(ibdev, dev, port); | |
d487ee77 | 1901 | mlx4_ib_get_dev_addr(dev, ibdev, port); |
655b2aae | 1902 | } |
d487ee77 MS |
1903 | } |
1904 | ||
dba3ad2a | 1905 | spin_unlock_bh(&iboe->lock); |
d487ee77 | 1906 | read_unlock(&dev_base_lock); |
655b2aae MS |
1907 | out: |
1908 | return err; | |
d487ee77 MS |
1909 | } |
1910 | ||
9433c188 MB |
1911 | static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev, |
1912 | struct net_device *dev, | |
1913 | unsigned long event) | |
1914 | ||
d487ee77 | 1915 | { |
fa417f7b | 1916 | struct mlx4_ib_iboe *iboe; |
9433c188 | 1917 | int update_qps_port = -1; |
fa417f7b EC |
1918 | int port; |
1919 | ||
fa417f7b EC |
1920 | iboe = &ibdev->iboe; |
1921 | ||
dba3ad2a | 1922 | spin_lock_bh(&iboe->lock); |
fa417f7b | 1923 | mlx4_foreach_ib_transport_port(port, ibdev->dev) { |
ad4885d2 | 1924 | enum ib_port_state port_state = IB_PORT_NOP; |
d487ee77 | 1925 | struct net_device *old_master = iboe->masters[port - 1]; |
ad4885d2 | 1926 | struct net_device *curr_netdev; |
d487ee77 | 1927 | struct net_device *curr_master; |
ad4885d2 | 1928 | |
fa417f7b | 1929 | iboe->netdevs[port - 1] = |
0345584e | 1930 | mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); |
acc4fccf MS |
1931 | if (iboe->netdevs[port - 1]) |
1932 | mlx4_ib_set_default_gid(ibdev, | |
1933 | iboe->netdevs[port - 1], port); | |
ad4885d2 | 1934 | curr_netdev = iboe->netdevs[port - 1]; |
d487ee77 MS |
1935 | |
1936 | if (iboe->netdevs[port - 1] && | |
1937 | netif_is_bond_slave(iboe->netdevs[port - 1])) { | |
d487ee77 MS |
1938 | iboe->masters[port - 1] = netdev_master_upper_dev_get( |
1939 | iboe->netdevs[port - 1]); | |
ad4885d2 MS |
1940 | } else { |
1941 | iboe->masters[port - 1] = NULL; | |
fa417f7b | 1942 | } |
d487ee77 | 1943 | curr_master = iboe->masters[port - 1]; |
fa417f7b | 1944 | |
9433c188 MB |
1945 | if (dev == iboe->netdevs[port - 1] && |
1946 | (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER || | |
1947 | event == NETDEV_UP || event == NETDEV_CHANGE)) | |
1948 | update_qps_port = port; | |
1949 | ||
ad4885d2 MS |
1950 | if (curr_netdev) { |
1951 | port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ? | |
1952 | IB_PORT_ACTIVE : IB_PORT_DOWN; | |
1953 | mlx4_ib_set_default_gid(ibdev, curr_netdev, port); | |
bccb84f1 MS |
1954 | if (curr_master) { |
1955 | /* if using bonding/team and a slave port is down, we | |
1956 | * don't want the bond IP based gids in the table since | |
1957 | * flows that select port by gid may get the down port. | |
1958 | */ | |
a5750090 MS |
1959 | if (port_state == IB_PORT_DOWN && |
1960 | !mlx4_is_bonded(ibdev->dev)) { | |
bccb84f1 MS |
1961 | reset_gid_table(ibdev, port); |
1962 | mlx4_ib_set_default_gid(ibdev, | |
1963 | curr_netdev, | |
1964 | port); | |
1965 | } else { | |
1966 | /* gids from the upper dev (bond/team) | |
1967 | * should appear in port's gid table | |
1968 | */ | |
1969 | mlx4_ib_get_dev_addr(curr_master, | |
1970 | ibdev, port); | |
1971 | } | |
e381835c MS |
1972 | } |
1973 | /* if bonding is used it is possible that we add it to | |
1974 | * masters only after IP address is assigned to the | |
1975 | * net bonding interface. | |
1976 | */ | |
1977 | if (curr_master && (old_master != curr_master)) { | |
1978 | reset_gid_table(ibdev, port); | |
1979 | mlx4_ib_set_default_gid(ibdev, | |
1980 | curr_netdev, port); | |
1981 | mlx4_ib_get_dev_addr(curr_master, ibdev, port); | |
1982 | } | |
ad4885d2 | 1983 | |
e381835c MS |
1984 | if (!curr_master && (old_master != curr_master)) { |
1985 | reset_gid_table(ibdev, port); | |
1986 | mlx4_ib_set_default_gid(ibdev, | |
1987 | curr_netdev, port); | |
1988 | mlx4_ib_get_dev_addr(curr_netdev, ibdev, port); | |
1989 | } | |
1990 | } else { | |
ad4885d2 | 1991 | reset_gid_table(ibdev, port); |
ad4885d2 | 1992 | } |
d487ee77 | 1993 | } |
fa417f7b | 1994 | |
dba3ad2a | 1995 | spin_unlock_bh(&iboe->lock); |
9433c188 MB |
1996 | |
1997 | if (update_qps_port > 0) | |
1998 | mlx4_ib_update_qps(ibdev, dev, update_qps_port); | |
d487ee77 MS |
1999 | } |
2000 | ||
2001 | static int mlx4_ib_netdev_event(struct notifier_block *this, | |
2002 | unsigned long event, void *ptr) | |
2003 | { | |
2004 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | |
2005 | struct mlx4_ib_dev *ibdev; | |
2006 | ||
2007 | if (!net_eq(dev_net(dev), &init_net)) | |
2008 | return NOTIFY_DONE; | |
2009 | ||
2010 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); | |
9433c188 | 2011 | mlx4_ib_scan_netdevs(ibdev, dev, event); |
fa417f7b EC |
2012 | |
2013 | return NOTIFY_DONE; | |
2014 | } | |
2015 | ||
54679e14 JM |
2016 | static void init_pkeys(struct mlx4_ib_dev *ibdev) |
2017 | { | |
2018 | int port; | |
2019 | int slave; | |
2020 | int i; | |
2021 | ||
2022 | if (mlx4_is_master(ibdev->dev)) { | |
872bf2fb YH |
2023 | for (slave = 0; slave <= ibdev->dev->persist->num_vfs; |
2024 | ++slave) { | |
54679e14 JM |
2025 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { |
2026 | for (i = 0; | |
2027 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
2028 | ++i) { | |
2029 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] = | |
2030 | /* master has the identity virt2phys pkey mapping */ | |
2031 | (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i : | |
2032 | ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1; | |
2033 | mlx4_sync_pkey_table(ibdev->dev, slave, port, i, | |
2034 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]); | |
2035 | } | |
2036 | } | |
2037 | } | |
2038 | /* initialize pkey cache */ | |
2039 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { | |
2040 | for (i = 0; | |
2041 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; | |
2042 | ++i) | |
2043 | ibdev->pkeys.phys_pkey_cache[port-1][i] = | |
2044 | (i) ? 0 : 0xFFFF; | |
2045 | } | |
2046 | } | |
2047 | } | |
2048 | ||
e605b743 SP |
2049 | static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) |
2050 | { | |
4661bd79 | 2051 | char name[80]; |
e605b743 SP |
2052 | int eq_per_port = 0; |
2053 | int added_eqs = 0; | |
2054 | int total_eqs = 0; | |
2055 | int i, j, eq; | |
2056 | ||
3aac6ff1 SP |
2057 | /* Legacy mode or comp_pool is not large enough */ |
2058 | if (dev->caps.comp_pool == 0 || | |
2059 | dev->caps.num_ports > dev->caps.comp_pool) | |
e605b743 SP |
2060 | return; |
2061 | ||
7ae0e400 | 2062 | eq_per_port = dev->caps.comp_pool / dev->caps.num_ports; |
e605b743 SP |
2063 | |
2064 | /* Init eq table */ | |
2065 | added_eqs = 0; | |
2066 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
2067 | added_eqs += eq_per_port; | |
2068 | ||
2069 | total_eqs = dev->caps.num_comp_vectors + added_eqs; | |
2070 | ||
2071 | ibdev->eq_table = kzalloc(total_eqs * sizeof(int), GFP_KERNEL); | |
2072 | if (!ibdev->eq_table) | |
2073 | return; | |
2074 | ||
2075 | ibdev->eq_added = added_eqs; | |
2076 | ||
2077 | eq = 0; | |
2078 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) { | |
2079 | for (j = 0; j < eq_per_port; j++) { | |
4661bd79 | 2080 | snprintf(name, sizeof(name), "mlx4-ib-%d-%d@%s", |
872bf2fb | 2081 | i, j, dev->persist->pdev->bus->name); |
e605b743 | 2082 | /* Set IRQ for specific name (per ring) */ |
d9236c3f AV |
2083 | if (mlx4_assign_eq(dev, name, NULL, |
2084 | &ibdev->eq_table[eq])) { | |
e605b743 SP |
2085 | /* Use legacy (same as mlx4_en driver) */ |
2086 | pr_warn("Can't allocate EQ %d; reverting to legacy\n", eq); | |
2087 | ibdev->eq_table[eq] = | |
2088 | (eq % dev->caps.num_comp_vectors); | |
2089 | } | |
2090 | eq++; | |
2091 | } | |
2092 | } | |
2093 | ||
2094 | /* Fill the reset of the vector with legacy EQ */ | |
2095 | for (i = 0, eq = added_eqs; i < dev->caps.num_comp_vectors; i++) | |
2096 | ibdev->eq_table[eq++] = i; | |
2097 | ||
2098 | /* Advertise the new number of EQs to clients */ | |
2099 | ibdev->ib_dev.num_comp_vectors = total_eqs; | |
2100 | } | |
2101 | ||
2102 | static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) | |
2103 | { | |
2104 | int i; | |
3aac6ff1 SP |
2105 | |
2106 | /* no additional eqs were added */ | |
2107 | if (!ibdev->eq_table) | |
2108 | return; | |
e605b743 SP |
2109 | |
2110 | /* Reset the advertised EQ number */ | |
2111 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; | |
2112 | ||
2113 | /* Free only the added eqs */ | |
2114 | for (i = 0; i < ibdev->eq_added; i++) { | |
2115 | /* Don't free legacy eqs if used */ | |
2116 | if (ibdev->eq_table[i] <= dev->caps.num_comp_vectors) | |
2117 | continue; | |
2118 | mlx4_release_eq(dev, ibdev->eq_table[i]); | |
2119 | } | |
2120 | ||
e605b743 | 2121 | kfree(ibdev->eq_table); |
e605b743 SP |
2122 | } |
2123 | ||
7738613e IW |
2124 | static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num, |
2125 | struct ib_port_immutable *immutable) | |
2126 | { | |
2127 | struct ib_port_attr attr; | |
2128 | int err; | |
2129 | ||
2130 | err = mlx4_ib_query_port(ibdev, port_num, &attr); | |
2131 | if (err) | |
2132 | return err; | |
2133 | ||
2134 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
2135 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
2136 | ||
f9b22e35 IW |
2137 | if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND) |
2138 | immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB; | |
2139 | else | |
2140 | immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE; | |
2141 | ||
7738613e IW |
2142 | return 0; |
2143 | } | |
2144 | ||
225c7b1f RD |
2145 | static void *mlx4_ib_add(struct mlx4_dev *dev) |
2146 | { | |
2147 | struct mlx4_ib_dev *ibdev; | |
22e7ef9c | 2148 | int num_ports = 0; |
035b1032 | 2149 | int i, j; |
fa417f7b EC |
2150 | int err; |
2151 | struct mlx4_ib_iboe *iboe; | |
4196670b | 2152 | int ib_num_ports = 0; |
a5750090 | 2153 | int num_req_counters; |
225c7b1f | 2154 | |
987c8f8f | 2155 | pr_info_once("%s", mlx4_ib_version); |
68f3948d | 2156 | |
026149cb | 2157 | num_ports = 0; |
fa417f7b | 2158 | mlx4_foreach_ib_transport_port(i, dev) |
22e7ef9c RD |
2159 | num_ports++; |
2160 | ||
2161 | /* No point in registering a device with no ports... */ | |
2162 | if (num_ports == 0) | |
2163 | return NULL; | |
2164 | ||
225c7b1f RD |
2165 | ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev); |
2166 | if (!ibdev) { | |
872bf2fb YH |
2167 | dev_err(&dev->persist->pdev->dev, |
2168 | "Device struct alloc failed\n"); | |
225c7b1f RD |
2169 | return NULL; |
2170 | } | |
2171 | ||
fa417f7b EC |
2172 | iboe = &ibdev->iboe; |
2173 | ||
225c7b1f RD |
2174 | if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) |
2175 | goto err_dealloc; | |
2176 | ||
2177 | if (mlx4_uar_alloc(dev, &ibdev->priv_uar)) | |
2178 | goto err_pd; | |
2179 | ||
4979d18f RD |
2180 | ibdev->uar_map = ioremap((phys_addr_t) ibdev->priv_uar.pfn << PAGE_SHIFT, |
2181 | PAGE_SIZE); | |
225c7b1f RD |
2182 | if (!ibdev->uar_map) |
2183 | goto err_uar; | |
26c6bc7b | 2184 | MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); |
225c7b1f | 2185 | |
225c7b1f | 2186 | ibdev->dev = dev; |
c6215745 | 2187 | ibdev->bond_next_port = 0; |
225c7b1f RD |
2188 | |
2189 | strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX); | |
2190 | ibdev->ib_dev.owner = THIS_MODULE; | |
2191 | ibdev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
95d04f07 | 2192 | ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey; |
22e7ef9c | 2193 | ibdev->num_ports = num_ports; |
a5750090 MS |
2194 | ibdev->ib_dev.phys_port_cnt = mlx4_is_bonded(dev) ? |
2195 | 1 : ibdev->num_ports; | |
b8dd786f | 2196 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; |
872bf2fb | 2197 | ibdev->ib_dev.dma_device = &dev->persist->pdev->dev; |
225c7b1f | 2198 | |
08ff3235 OG |
2199 | if (dev->caps.userspace_caps) |
2200 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION; | |
2201 | else | |
2202 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION; | |
2203 | ||
225c7b1f RD |
2204 | ibdev->ib_dev.uverbs_cmd_mask = |
2205 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
2206 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
2207 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
2208 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
2209 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
2210 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
9376932d | 2211 | (1ull << IB_USER_VERBS_CMD_REREG_MR) | |
225c7b1f RD |
2212 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
2213 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
2214 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
bbf8eed1 | 2215 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | |
225c7b1f RD |
2216 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | |
2217 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
2218 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
6a775e2b | 2219 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
225c7b1f RD |
2220 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | |
2221 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
2222 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
2223 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
2224 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
65541cb7 | 2225 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | |
18abd5ea | 2226 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | |
42849b26 SH |
2227 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | |
2228 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
225c7b1f RD |
2229 | |
2230 | ibdev->ib_dev.query_device = mlx4_ib_query_device; | |
2231 | ibdev->ib_dev.query_port = mlx4_ib_query_port; | |
fa417f7b | 2232 | ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; |
225c7b1f RD |
2233 | ibdev->ib_dev.query_gid = mlx4_ib_query_gid; |
2234 | ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; | |
2235 | ibdev->ib_dev.modify_device = mlx4_ib_modify_device; | |
2236 | ibdev->ib_dev.modify_port = mlx4_ib_modify_port; | |
2237 | ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext; | |
2238 | ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext; | |
2239 | ibdev->ib_dev.mmap = mlx4_ib_mmap; | |
2240 | ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd; | |
2241 | ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd; | |
2242 | ibdev->ib_dev.create_ah = mlx4_ib_create_ah; | |
2243 | ibdev->ib_dev.query_ah = mlx4_ib_query_ah; | |
2244 | ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; | |
2245 | ibdev->ib_dev.create_srq = mlx4_ib_create_srq; | |
2246 | ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; | |
65541cb7 | 2247 | ibdev->ib_dev.query_srq = mlx4_ib_query_srq; |
225c7b1f RD |
2248 | ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; |
2249 | ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; | |
2250 | ibdev->ib_dev.create_qp = mlx4_ib_create_qp; | |
2251 | ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp; | |
6a775e2b | 2252 | ibdev->ib_dev.query_qp = mlx4_ib_query_qp; |
225c7b1f RD |
2253 | ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp; |
2254 | ibdev->ib_dev.post_send = mlx4_ib_post_send; | |
2255 | ibdev->ib_dev.post_recv = mlx4_ib_post_recv; | |
2256 | ibdev->ib_dev.create_cq = mlx4_ib_create_cq; | |
3fdcb97f | 2257 | ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq; |
bbf8eed1 | 2258 | ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq; |
225c7b1f RD |
2259 | ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq; |
2260 | ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq; | |
2261 | ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; | |
2262 | ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; | |
2263 | ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; | |
9376932d | 2264 | ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr; |
225c7b1f | 2265 | ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; |
95d04f07 RD |
2266 | ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; |
2267 | ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; | |
2268 | ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list; | |
225c7b1f RD |
2269 | ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; |
2270 | ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach; | |
2271 | ibdev->ib_dev.process_mad = mlx4_ib_process_mad; | |
7738613e | 2272 | ibdev->ib_dev.get_port_immutable = mlx4_port_immutable; |
225c7b1f | 2273 | |
992e8e6e JM |
2274 | if (!mlx4_is_slave(ibdev->dev)) { |
2275 | ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc; | |
2276 | ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr; | |
2277 | ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; | |
2278 | ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; | |
2279 | } | |
8ad11fb6 | 2280 | |
b425388d SM |
2281 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || |
2282 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { | |
2283 | ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw; | |
2284 | ibdev->ib_dev.bind_mw = mlx4_ib_bind_mw; | |
2285 | ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw; | |
2286 | ||
2287 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2288 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
2289 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
2290 | } | |
2291 | ||
012a8ff5 SH |
2292 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) { |
2293 | ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; | |
2294 | ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; | |
2295 | ibdev->ib_dev.uverbs_cmd_mask |= | |
2296 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
2297 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
2298 | } | |
2299 | ||
f77c0162 | 2300 | if (check_flow_steering_support(dev)) { |
0a9b7d59 | 2301 | ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED; |
f77c0162 HHZ |
2302 | ibdev->ib_dev.create_flow = mlx4_ib_create_flow; |
2303 | ibdev->ib_dev.destroy_flow = mlx4_ib_destroy_flow; | |
2304 | ||
f21519b2 YD |
2305 | ibdev->ib_dev.uverbs_ex_cmd_mask |= |
2306 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
2307 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); | |
f77c0162 HHZ |
2308 | } |
2309 | ||
e605b743 SP |
2310 | mlx4_ib_alloc_eqs(dev, ibdev); |
2311 | ||
fa417f7b EC |
2312 | spin_lock_init(&iboe->lock); |
2313 | ||
225c7b1f RD |
2314 | if (init_node_data(ibdev)) |
2315 | goto err_map; | |
2316 | ||
a5750090 MS |
2317 | num_req_counters = mlx4_is_bonded(dev) ? 1 : ibdev->num_ports; |
2318 | for (i = 0; i < num_req_counters; ++i) { | |
9433c188 | 2319 | mutex_init(&ibdev->qp1_proxy_lock[i]); |
cfcde11c OG |
2320 | if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) == |
2321 | IB_LINK_LAYER_ETHERNET) { | |
2322 | err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]); | |
2323 | if (err) | |
2324 | ibdev->counters[i] = -1; | |
3839d8ac DC |
2325 | } else { |
2326 | ibdev->counters[i] = -1; | |
2327 | } | |
cfcde11c | 2328 | } |
a5750090 MS |
2329 | if (mlx4_is_bonded(dev)) |
2330 | for (i = 1; i < ibdev->num_ports ; ++i) | |
2331 | ibdev->counters[i] = ibdev->counters[0]; | |
2332 | ||
cfcde11c | 2333 | |
4196670b MB |
2334 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) |
2335 | ib_num_ports++; | |
2336 | ||
225c7b1f RD |
2337 | spin_lock_init(&ibdev->sm_lock); |
2338 | mutex_init(&ibdev->cap_mask_mutex); | |
35f05dab YH |
2339 | INIT_LIST_HEAD(&ibdev->qp_list); |
2340 | spin_lock_init(&ibdev->reset_flow_resource_lock); | |
225c7b1f | 2341 | |
4196670b MB |
2342 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED && |
2343 | ib_num_ports) { | |
c1c98501 MB |
2344 | ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; |
2345 | err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, | |
2346 | MLX4_IB_UC_STEER_QPN_ALIGN, | |
ddae0349 | 2347 | &ibdev->steer_qpn_base, 0); |
c1c98501 MB |
2348 | if (err) |
2349 | goto err_counter; | |
2350 | ||
2351 | ibdev->ib_uc_qpns_bitmap = | |
2352 | kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) * | |
2353 | sizeof(long), | |
2354 | GFP_KERNEL); | |
2355 | if (!ibdev->ib_uc_qpns_bitmap) { | |
872bf2fb YH |
2356 | dev_err(&dev->persist->pdev->dev, |
2357 | "bit map alloc failed\n"); | |
c1c98501 MB |
2358 | goto err_steer_qp_release; |
2359 | } | |
2360 | ||
2361 | bitmap_zero(ibdev->ib_uc_qpns_bitmap, ibdev->steer_qpn_count); | |
2362 | ||
2363 | err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE( | |
2364 | dev, ibdev->steer_qpn_base, | |
2365 | ibdev->steer_qpn_base + | |
2366 | ibdev->steer_qpn_count - 1); | |
2367 | if (err) | |
2368 | goto err_steer_free_bitmap; | |
2369 | } | |
2370 | ||
3e0629cb JM |
2371 | for (j = 1; j <= ibdev->dev->caps.num_ports; j++) |
2372 | atomic64_set(&iboe->mac[j - 1], ibdev->dev->caps.def_mac[j]); | |
2373 | ||
9a6edb60 | 2374 | if (ib_register_device(&ibdev->ib_dev, NULL)) |
c1c98501 | 2375 | goto err_steer_free_bitmap; |
225c7b1f RD |
2376 | |
2377 | if (mlx4_ib_mad_init(ibdev)) | |
2378 | goto err_reg; | |
2379 | ||
fc06573d JM |
2380 | if (mlx4_ib_init_sriov(ibdev)) |
2381 | goto err_mad; | |
2382 | ||
d487ee77 MS |
2383 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) { |
2384 | if (!iboe->nb.notifier_call) { | |
2385 | iboe->nb.notifier_call = mlx4_ib_netdev_event; | |
2386 | err = register_netdevice_notifier(&iboe->nb); | |
2387 | if (err) { | |
2388 | iboe->nb.notifier_call = NULL; | |
2389 | goto err_notif; | |
2390 | } | |
2391 | } | |
2392 | if (!iboe->nb_inet.notifier_call) { | |
2393 | iboe->nb_inet.notifier_call = mlx4_ib_inet_event; | |
2394 | err = register_inetaddr_notifier(&iboe->nb_inet); | |
2395 | if (err) { | |
2396 | iboe->nb_inet.notifier_call = NULL; | |
2397 | goto err_notif; | |
2398 | } | |
2399 | } | |
27cdef63 | 2400 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2401 | if (!iboe->nb_inet6.notifier_call) { |
2402 | iboe->nb_inet6.notifier_call = mlx4_ib_inet6_event; | |
2403 | err = register_inet6addr_notifier(&iboe->nb_inet6); | |
2404 | if (err) { | |
2405 | iboe->nb_inet6.notifier_call = NULL; | |
2406 | goto err_notif; | |
2407 | } | |
2408 | } | |
2409 | #endif | |
655b2aae MS |
2410 | if (mlx4_ib_init_gid_table(ibdev)) |
2411 | goto err_notif; | |
fa417f7b EC |
2412 | } |
2413 | ||
035b1032 | 2414 | for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { |
f4e91eb4 | 2415 | if (device_create_file(&ibdev->ib_dev.dev, |
035b1032 | 2416 | mlx4_class_attributes[j])) |
fa417f7b | 2417 | goto err_notif; |
cd9281d8 JM |
2418 | } |
2419 | ||
3b4a8cd5 JM |
2420 | ibdev->ib_active = true; |
2421 | ||
54679e14 JM |
2422 | if (mlx4_is_mfunc(ibdev->dev)) |
2423 | init_pkeys(ibdev); | |
2424 | ||
3806d08c JM |
2425 | /* create paravirt contexts for any VFs which are active */ |
2426 | if (mlx4_is_master(ibdev->dev)) { | |
2427 | for (j = 0; j < MLX4_MFUNC_MAX; j++) { | |
2428 | if (j == mlx4_master_func_num(ibdev->dev)) | |
2429 | continue; | |
2430 | if (mlx4_is_slave_active(ibdev->dev, j)) | |
2431 | do_slave_init(ibdev, j, 1); | |
2432 | } | |
2433 | } | |
225c7b1f RD |
2434 | return ibdev; |
2435 | ||
fa417f7b | 2436 | err_notif: |
d487ee77 MS |
2437 | if (ibdev->iboe.nb.notifier_call) { |
2438 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
2439 | pr_warn("failure unregistering notifier\n"); | |
2440 | ibdev->iboe.nb.notifier_call = NULL; | |
2441 | } | |
2442 | if (ibdev->iboe.nb_inet.notifier_call) { | |
2443 | if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) | |
2444 | pr_warn("failure unregistering notifier\n"); | |
2445 | ibdev->iboe.nb_inet.notifier_call = NULL; | |
2446 | } | |
27cdef63 | 2447 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2448 | if (ibdev->iboe.nb_inet6.notifier_call) { |
2449 | if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) | |
2450 | pr_warn("failure unregistering notifier\n"); | |
2451 | ibdev->iboe.nb_inet6.notifier_call = NULL; | |
2452 | } | |
2453 | #endif | |
fa417f7b EC |
2454 | flush_workqueue(wq); |
2455 | ||
fc06573d JM |
2456 | mlx4_ib_close_sriov(ibdev); |
2457 | ||
2458 | err_mad: | |
2459 | mlx4_ib_mad_cleanup(ibdev); | |
2460 | ||
225c7b1f RD |
2461 | err_reg: |
2462 | ib_unregister_device(&ibdev->ib_dev); | |
2463 | ||
c1c98501 MB |
2464 | err_steer_free_bitmap: |
2465 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2466 | ||
2467 | err_steer_qp_release: | |
2468 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2469 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2470 | ibdev->steer_qpn_count); | |
cfcde11c OG |
2471 | err_counter: |
2472 | for (; i; --i) | |
4af3ce0d RD |
2473 | if (ibdev->counters[i - 1] != -1) |
2474 | mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]); | |
cfcde11c | 2475 | |
225c7b1f RD |
2476 | err_map: |
2477 | iounmap(ibdev->uar_map); | |
2478 | ||
2479 | err_uar: | |
2480 | mlx4_uar_free(dev, &ibdev->priv_uar); | |
2481 | ||
2482 | err_pd: | |
2483 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2484 | ||
2485 | err_dealloc: | |
2486 | ib_dealloc_device(&ibdev->ib_dev); | |
2487 | ||
2488 | return NULL; | |
2489 | } | |
2490 | ||
c1c98501 MB |
2491 | int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn) |
2492 | { | |
2493 | int offset; | |
2494 | ||
2495 | WARN_ON(!dev->ib_uc_qpns_bitmap); | |
2496 | ||
2497 | offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap, | |
2498 | dev->steer_qpn_count, | |
2499 | get_count_order(count)); | |
2500 | if (offset < 0) | |
2501 | return offset; | |
2502 | ||
2503 | *qpn = dev->steer_qpn_base + offset; | |
2504 | return 0; | |
2505 | } | |
2506 | ||
2507 | void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count) | |
2508 | { | |
2509 | if (!qpn || | |
2510 | dev->steering_support != MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2511 | return; | |
2512 | ||
2513 | BUG_ON(qpn < dev->steer_qpn_base); | |
2514 | ||
2515 | bitmap_release_region(dev->ib_uc_qpns_bitmap, | |
2516 | qpn - dev->steer_qpn_base, | |
2517 | get_count_order(count)); | |
2518 | } | |
2519 | ||
2520 | int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
2521 | int is_attach) | |
2522 | { | |
2523 | int err; | |
2524 | size_t flow_size; | |
2525 | struct ib_flow_attr *flow = NULL; | |
2526 | struct ib_flow_spec_ib *ib_spec; | |
2527 | ||
2528 | if (is_attach) { | |
2529 | flow_size = sizeof(struct ib_flow_attr) + | |
2530 | sizeof(struct ib_flow_spec_ib); | |
2531 | flow = kzalloc(flow_size, GFP_KERNEL); | |
2532 | if (!flow) | |
2533 | return -ENOMEM; | |
2534 | flow->port = mqp->port; | |
2535 | flow->num_of_specs = 1; | |
2536 | flow->size = flow_size; | |
2537 | ib_spec = (struct ib_flow_spec_ib *)(flow + 1); | |
2538 | ib_spec->type = IB_FLOW_SPEC_IB; | |
2539 | ib_spec->size = sizeof(struct ib_flow_spec_ib); | |
2540 | /* Add an empty rule for IB L2 */ | |
2541 | memset(&ib_spec->mask, 0, sizeof(ib_spec->mask)); | |
2542 | ||
2543 | err = __mlx4_ib_create_flow(&mqp->ibqp, flow, | |
2544 | IB_FLOW_DOMAIN_NIC, | |
2545 | MLX4_FS_REGULAR, | |
2546 | &mqp->reg_id); | |
2547 | } else { | |
2548 | err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id); | |
2549 | } | |
2550 | kfree(flow); | |
2551 | return err; | |
2552 | } | |
2553 | ||
225c7b1f RD |
2554 | static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) |
2555 | { | |
2556 | struct mlx4_ib_dev *ibdev = ibdev_ptr; | |
2557 | int p; | |
2558 | ||
4bf9715f MS |
2559 | ibdev->ib_active = false; |
2560 | flush_workqueue(wq); | |
2561 | ||
fc06573d | 2562 | mlx4_ib_close_sriov(ibdev); |
a6a47771 YP |
2563 | mlx4_ib_mad_cleanup(ibdev); |
2564 | ib_unregister_device(&ibdev->ib_dev); | |
fa417f7b EC |
2565 | if (ibdev->iboe.nb.notifier_call) { |
2566 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
987c8f8f | 2567 | pr_warn("failure unregistering notifier\n"); |
fa417f7b EC |
2568 | ibdev->iboe.nb.notifier_call = NULL; |
2569 | } | |
c1c98501 MB |
2570 | |
2571 | if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
2572 | mlx4_qp_release_range(dev, ibdev->steer_qpn_base, | |
2573 | ibdev->steer_qpn_count); | |
2574 | kfree(ibdev->ib_uc_qpns_bitmap); | |
2575 | } | |
2576 | ||
d487ee77 MS |
2577 | if (ibdev->iboe.nb_inet.notifier_call) { |
2578 | if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) | |
2579 | pr_warn("failure unregistering notifier\n"); | |
2580 | ibdev->iboe.nb_inet.notifier_call = NULL; | |
2581 | } | |
27cdef63 | 2582 | #if IS_ENABLED(CONFIG_IPV6) |
d487ee77 MS |
2583 | if (ibdev->iboe.nb_inet6.notifier_call) { |
2584 | if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6)) | |
2585 | pr_warn("failure unregistering notifier\n"); | |
2586 | ibdev->iboe.nb_inet6.notifier_call = NULL; | |
2587 | } | |
2588 | #endif | |
fb1b5034 | 2589 | |
fa417f7b | 2590 | iounmap(ibdev->uar_map); |
cfcde11c | 2591 | for (p = 0; p < ibdev->num_ports; ++p) |
4af3ce0d RD |
2592 | if (ibdev->counters[p] != -1) |
2593 | mlx4_counter_free(ibdev->dev, ibdev->counters[p]); | |
fa417f7b | 2594 | mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) |
225c7b1f RD |
2595 | mlx4_CLOSE_PORT(dev, p); |
2596 | ||
e605b743 SP |
2597 | mlx4_ib_free_eqs(dev, ibdev); |
2598 | ||
225c7b1f RD |
2599 | mlx4_uar_free(dev, &ibdev->priv_uar); |
2600 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
2601 | ib_dealloc_device(&ibdev->ib_dev); | |
2602 | } | |
2603 | ||
fc06573d JM |
2604 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) |
2605 | { | |
2606 | struct mlx4_ib_demux_work **dm = NULL; | |
2607 | struct mlx4_dev *dev = ibdev->dev; | |
2608 | int i; | |
2609 | unsigned long flags; | |
449fc488 MB |
2610 | struct mlx4_active_ports actv_ports; |
2611 | unsigned int ports; | |
2612 | unsigned int first_port; | |
fc06573d JM |
2613 | |
2614 | if (!mlx4_is_master(dev)) | |
2615 | return; | |
2616 | ||
449fc488 MB |
2617 | actv_ports = mlx4_get_active_ports(dev, slave); |
2618 | ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports); | |
2619 | first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
2620 | ||
2621 | dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC); | |
fc06573d JM |
2622 | if (!dm) { |
2623 | pr_err("failed to allocate memory for tunneling qp update\n"); | |
2624 | goto out; | |
2625 | } | |
2626 | ||
449fc488 | 2627 | for (i = 0; i < ports; i++) { |
fc06573d JM |
2628 | dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); |
2629 | if (!dm[i]) { | |
2630 | pr_err("failed to allocate memory for tunneling qp update work struct\n"); | |
2631 | for (i = 0; i < dev->caps.num_ports; i++) { | |
2632 | if (dm[i]) | |
2633 | kfree(dm[i]); | |
2634 | } | |
2635 | goto out; | |
2636 | } | |
2637 | } | |
2638 | /* initialize or tear down tunnel QPs for the slave */ | |
449fc488 | 2639 | for (i = 0; i < ports; i++) { |
fc06573d | 2640 | INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); |
449fc488 | 2641 | dm[i]->port = first_port + i + 1; |
fc06573d JM |
2642 | dm[i]->slave = slave; |
2643 | dm[i]->do_init = do_init; | |
2644 | dm[i]->dev = ibdev; | |
2645 | spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); | |
2646 | if (!ibdev->sriov.is_going_down) | |
2647 | queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); | |
2648 | spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); | |
2649 | } | |
2650 | out: | |
c89d1271 | 2651 | kfree(dm); |
fc06573d JM |
2652 | return; |
2653 | } | |
2654 | ||
35f05dab YH |
2655 | static void mlx4_ib_handle_catas_error(struct mlx4_ib_dev *ibdev) |
2656 | { | |
2657 | struct mlx4_ib_qp *mqp; | |
2658 | unsigned long flags_qp; | |
2659 | unsigned long flags_cq; | |
2660 | struct mlx4_ib_cq *send_mcq, *recv_mcq; | |
2661 | struct list_head cq_notify_list; | |
2662 | struct mlx4_cq *mcq; | |
2663 | unsigned long flags; | |
2664 | ||
2665 | pr_warn("mlx4_ib_handle_catas_error was started\n"); | |
2666 | INIT_LIST_HEAD(&cq_notify_list); | |
2667 | ||
2668 | /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ | |
2669 | spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); | |
2670 | ||
2671 | list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { | |
2672 | spin_lock_irqsave(&mqp->sq.lock, flags_qp); | |
2673 | if (mqp->sq.tail != mqp->sq.head) { | |
2674 | send_mcq = to_mcq(mqp->ibqp.send_cq); | |
2675 | spin_lock_irqsave(&send_mcq->lock, flags_cq); | |
2676 | if (send_mcq->mcq.comp && | |
2677 | mqp->ibqp.send_cq->comp_handler) { | |
2678 | if (!send_mcq->mcq.reset_notify_added) { | |
2679 | send_mcq->mcq.reset_notify_added = 1; | |
2680 | list_add_tail(&send_mcq->mcq.reset_notify, | |
2681 | &cq_notify_list); | |
2682 | } | |
2683 | } | |
2684 | spin_unlock_irqrestore(&send_mcq->lock, flags_cq); | |
2685 | } | |
2686 | spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); | |
2687 | /* Now, handle the QP's receive queue */ | |
2688 | spin_lock_irqsave(&mqp->rq.lock, flags_qp); | |
2689 | /* no handling is needed for SRQ */ | |
2690 | if (!mqp->ibqp.srq) { | |
2691 | if (mqp->rq.tail != mqp->rq.head) { | |
2692 | recv_mcq = to_mcq(mqp->ibqp.recv_cq); | |
2693 | spin_lock_irqsave(&recv_mcq->lock, flags_cq); | |
2694 | if (recv_mcq->mcq.comp && | |
2695 | mqp->ibqp.recv_cq->comp_handler) { | |
2696 | if (!recv_mcq->mcq.reset_notify_added) { | |
2697 | recv_mcq->mcq.reset_notify_added = 1; | |
2698 | list_add_tail(&recv_mcq->mcq.reset_notify, | |
2699 | &cq_notify_list); | |
2700 | } | |
2701 | } | |
2702 | spin_unlock_irqrestore(&recv_mcq->lock, | |
2703 | flags_cq); | |
2704 | } | |
2705 | } | |
2706 | spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); | |
2707 | } | |
2708 | ||
2709 | list_for_each_entry(mcq, &cq_notify_list, reset_notify) { | |
2710 | mcq->comp(mcq); | |
2711 | } | |
2712 | spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); | |
2713 | pr_warn("mlx4_ib_handle_catas_error ended\n"); | |
2714 | } | |
2715 | ||
a5750090 MS |
2716 | static void handle_bonded_port_state_event(struct work_struct *work) |
2717 | { | |
2718 | struct ib_event_work *ew = | |
2719 | container_of(work, struct ib_event_work, work); | |
2720 | struct mlx4_ib_dev *ibdev = ew->ib_dev; | |
2721 | enum ib_port_state bonded_port_state = IB_PORT_NOP; | |
2722 | int i; | |
2723 | struct ib_event ibev; | |
2724 | ||
2725 | kfree(ew); | |
2726 | spin_lock_bh(&ibdev->iboe.lock); | |
2727 | for (i = 0; i < MLX4_MAX_PORTS; ++i) { | |
2728 | struct net_device *curr_netdev = ibdev->iboe.netdevs[i]; | |
217e8b16 | 2729 | enum ib_port_state curr_port_state; |
a5750090 | 2730 | |
217e8b16 MS |
2731 | if (!curr_netdev) |
2732 | continue; | |
2733 | ||
2734 | curr_port_state = | |
a5750090 MS |
2735 | (netif_running(curr_netdev) && |
2736 | netif_carrier_ok(curr_netdev)) ? | |
2737 | IB_PORT_ACTIVE : IB_PORT_DOWN; | |
2738 | ||
2739 | bonded_port_state = (bonded_port_state != IB_PORT_ACTIVE) ? | |
2740 | curr_port_state : IB_PORT_ACTIVE; | |
2741 | } | |
2742 | spin_unlock_bh(&ibdev->iboe.lock); | |
2743 | ||
2744 | ibev.device = &ibdev->ib_dev; | |
2745 | ibev.element.port_num = 1; | |
2746 | ibev.event = (bonded_port_state == IB_PORT_ACTIVE) ? | |
2747 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
2748 | ||
2749 | ib_dispatch_event(&ibev); | |
2750 | } | |
2751 | ||
225c7b1f | 2752 | static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, |
00f5ce99 | 2753 | enum mlx4_dev_event event, unsigned long param) |
225c7b1f RD |
2754 | { |
2755 | struct ib_event ibev; | |
7ff93f8b | 2756 | struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); |
00f5ce99 JM |
2757 | struct mlx4_eqe *eqe = NULL; |
2758 | struct ib_event_work *ew; | |
fc06573d | 2759 | int p = 0; |
00f5ce99 | 2760 | |
a5750090 MS |
2761 | if (mlx4_is_bonded(dev) && |
2762 | ((event == MLX4_DEV_EVENT_PORT_UP) || | |
2763 | (event == MLX4_DEV_EVENT_PORT_DOWN))) { | |
2764 | ew = kmalloc(sizeof(*ew), GFP_ATOMIC); | |
2765 | if (!ew) | |
2766 | return; | |
2767 | INIT_WORK(&ew->work, handle_bonded_port_state_event); | |
2768 | ew->ib_dev = ibdev; | |
2769 | queue_work(wq, &ew->work); | |
2770 | return; | |
2771 | } | |
2772 | ||
00f5ce99 JM |
2773 | if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE) |
2774 | eqe = (struct mlx4_eqe *)param; | |
2775 | else | |
fc06573d | 2776 | p = (int) param; |
225c7b1f RD |
2777 | |
2778 | switch (event) { | |
37608eea | 2779 | case MLX4_DEV_EVENT_PORT_UP: |
fc06573d JM |
2780 | if (p > ibdev->num_ports) |
2781 | return; | |
a0c64a17 JM |
2782 | if (mlx4_is_master(dev) && |
2783 | rdma_port_get_link_layer(&ibdev->ib_dev, p) == | |
2784 | IB_LINK_LAYER_INFINIBAND) { | |
2785 | mlx4_ib_invalidate_all_guid_record(ibdev, p); | |
2786 | } | |
37608eea | 2787 | ibev.event = IB_EVENT_PORT_ACTIVE; |
225c7b1f RD |
2788 | break; |
2789 | ||
37608eea | 2790 | case MLX4_DEV_EVENT_PORT_DOWN: |
fc06573d JM |
2791 | if (p > ibdev->num_ports) |
2792 | return; | |
37608eea RD |
2793 | ibev.event = IB_EVENT_PORT_ERR; |
2794 | break; | |
2795 | ||
2796 | case MLX4_DEV_EVENT_CATASTROPHIC_ERROR: | |
3b4a8cd5 | 2797 | ibdev->ib_active = false; |
225c7b1f | 2798 | ibev.event = IB_EVENT_DEVICE_FATAL; |
35f05dab | 2799 | mlx4_ib_handle_catas_error(ibdev); |
225c7b1f RD |
2800 | break; |
2801 | ||
00f5ce99 JM |
2802 | case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: |
2803 | ew = kmalloc(sizeof *ew, GFP_ATOMIC); | |
2804 | if (!ew) { | |
2805 | pr_err("failed to allocate memory for events work\n"); | |
2806 | break; | |
2807 | } | |
2808 | ||
2809 | INIT_WORK(&ew->work, handle_port_mgmt_change_event); | |
2810 | memcpy(&ew->ib_eqe, eqe, sizeof *eqe); | |
2811 | ew->ib_dev = ibdev; | |
992e8e6e JM |
2812 | /* need to queue only for port owner, which uses GEN_EQE */ |
2813 | if (mlx4_is_master(dev)) | |
2814 | queue_work(wq, &ew->work); | |
2815 | else | |
2816 | handle_port_mgmt_change_event(&ew->work); | |
00f5ce99 JM |
2817 | return; |
2818 | ||
fc06573d JM |
2819 | case MLX4_DEV_EVENT_SLAVE_INIT: |
2820 | /* here, p is the slave id */ | |
2821 | do_slave_init(ibdev, p, 1); | |
ee59fa0d YH |
2822 | if (mlx4_is_master(dev)) { |
2823 | int i; | |
2824 | ||
2825 | for (i = 1; i <= ibdev->num_ports; i++) { | |
2826 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) | |
2827 | == IB_LINK_LAYER_INFINIBAND) | |
2828 | mlx4_ib_slave_alias_guid_event(ibdev, | |
2829 | p, i, | |
2830 | 1); | |
2831 | } | |
2832 | } | |
fc06573d JM |
2833 | return; |
2834 | ||
2835 | case MLX4_DEV_EVENT_SLAVE_SHUTDOWN: | |
ee59fa0d YH |
2836 | if (mlx4_is_master(dev)) { |
2837 | int i; | |
2838 | ||
2839 | for (i = 1; i <= ibdev->num_ports; i++) { | |
2840 | if (rdma_port_get_link_layer(&ibdev->ib_dev, i) | |
2841 | == IB_LINK_LAYER_INFINIBAND) | |
2842 | mlx4_ib_slave_alias_guid_event(ibdev, | |
2843 | p, i, | |
2844 | 0); | |
2845 | } | |
2846 | } | |
fc06573d JM |
2847 | /* here, p is the slave id */ |
2848 | do_slave_init(ibdev, p, 0); | |
2849 | return; | |
2850 | ||
225c7b1f RD |
2851 | default: |
2852 | return; | |
2853 | } | |
2854 | ||
2855 | ibev.device = ibdev_ptr; | |
a5750090 | 2856 | ibev.element.port_num = mlx4_is_bonded(ibdev->dev) ? 1 : (u8)p; |
225c7b1f RD |
2857 | |
2858 | ib_dispatch_event(&ibev); | |
2859 | } | |
2860 | ||
2861 | static struct mlx4_interface mlx4_ib_interface = { | |
fa417f7b EC |
2862 | .add = mlx4_ib_add, |
2863 | .remove = mlx4_ib_remove, | |
2864 | .event = mlx4_ib_event, | |
a5750090 MS |
2865 | .protocol = MLX4_PROT_IB_IPV6, |
2866 | .flags = MLX4_INTFF_BONDING | |
225c7b1f RD |
2867 | }; |
2868 | ||
2869 | static int __init mlx4_ib_init(void) | |
2870 | { | |
fa417f7b EC |
2871 | int err; |
2872 | ||
2873 | wq = create_singlethread_workqueue("mlx4_ib"); | |
2874 | if (!wq) | |
2875 | return -ENOMEM; | |
2876 | ||
b9c5d6a6 OD |
2877 | err = mlx4_ib_mcg_init(); |
2878 | if (err) | |
2879 | goto clean_wq; | |
2880 | ||
fa417f7b | 2881 | err = mlx4_register_interface(&mlx4_ib_interface); |
b9c5d6a6 OD |
2882 | if (err) |
2883 | goto clean_mcg; | |
fa417f7b EC |
2884 | |
2885 | return 0; | |
b9c5d6a6 OD |
2886 | |
2887 | clean_mcg: | |
2888 | mlx4_ib_mcg_destroy(); | |
2889 | ||
2890 | clean_wq: | |
2891 | destroy_workqueue(wq); | |
2892 | return err; | |
225c7b1f RD |
2893 | } |
2894 | ||
2895 | static void __exit mlx4_ib_cleanup(void) | |
2896 | { | |
2897 | mlx4_unregister_interface(&mlx4_ib_interface); | |
b9c5d6a6 | 2898 | mlx4_ib_mcg_destroy(); |
fa417f7b | 2899 | destroy_workqueue(wq); |
225c7b1f RD |
2900 | } |
2901 | ||
2902 | module_init(mlx4_ib_init); | |
2903 | module_exit(mlx4_ib_cleanup); |