16c80b41aSLeon Romanovsky /* 26c80b41aSLeon Romanovsky * Copyright (c) 2017 Mellanox Technologies. All rights reserved. 36c80b41aSLeon Romanovsky * 46c80b41aSLeon Romanovsky * Redistribution and use in source and binary forms, with or without 56c80b41aSLeon Romanovsky * modification, are permitted provided that the following conditions are met: 66c80b41aSLeon Romanovsky * 76c80b41aSLeon Romanovsky * 1. Redistributions of source code must retain the above copyright 86c80b41aSLeon Romanovsky * notice, this list of conditions and the following disclaimer. 96c80b41aSLeon Romanovsky * 2. Redistributions in binary form must reproduce the above copyright 106c80b41aSLeon Romanovsky * notice, this list of conditions and the following disclaimer in the 116c80b41aSLeon Romanovsky * documentation and/or other materials provided with the distribution. 126c80b41aSLeon Romanovsky * 3. Neither the names of the copyright holders nor the names of its 136c80b41aSLeon Romanovsky * contributors may be used to endorse or promote products derived from 146c80b41aSLeon Romanovsky * this software without specific prior written permission. 156c80b41aSLeon Romanovsky * 166c80b41aSLeon Romanovsky * Alternatively, this software may be distributed under the terms of the 176c80b41aSLeon Romanovsky * GNU General Public License ("GPL") version 2 as published by the Free 186c80b41aSLeon Romanovsky * Software Foundation. 196c80b41aSLeon Romanovsky * 206c80b41aSLeon Romanovsky * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 216c80b41aSLeon Romanovsky * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 226c80b41aSLeon Romanovsky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 236c80b41aSLeon Romanovsky * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 246c80b41aSLeon Romanovsky * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 256c80b41aSLeon Romanovsky * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 266c80b41aSLeon Romanovsky * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 276c80b41aSLeon Romanovsky * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 286c80b41aSLeon Romanovsky * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 296c80b41aSLeon Romanovsky * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 306c80b41aSLeon Romanovsky * POSSIBILITY OF SUCH DAMAGE. 316c80b41aSLeon Romanovsky */ 326c80b41aSLeon Romanovsky 33e3bf14bdSJason Gunthorpe #include <linux/module.h> 34b4c598a6SLeon Romanovsky #include <net/netlink.h> 356c80b41aSLeon Romanovsky #include <rdma/rdma_netlink.h> 366c80b41aSLeon Romanovsky 376c80b41aSLeon Romanovsky #include "core_priv.h" 386c80b41aSLeon Romanovsky 39b4c598a6SLeon Romanovsky static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { 40b4c598a6SLeon Romanovsky [RDMA_NLDEV_ATTR_DEV_INDEX] = { .type = NLA_U32 }, 41b4c598a6SLeon Romanovsky [RDMA_NLDEV_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING, 42b4c598a6SLeon Romanovsky .len = IB_DEVICE_NAME_MAX - 1}, 43b4c598a6SLeon Romanovsky [RDMA_NLDEV_ATTR_PORT_INDEX] = { .type = NLA_U32 }, 448621a7e3SLeon Romanovsky [RDMA_NLDEV_ATTR_FW_VERSION] = { .type = NLA_NUL_STRING, 458621a7e3SLeon Romanovsky .len = IB_FW_VERSION_NAME_MAX - 1}, 461aaff896SLeon Romanovsky [RDMA_NLDEV_ATTR_NODE_GUID] = { .type = NLA_U64 }, 471aaff896SLeon Romanovsky [RDMA_NLDEV_ATTR_SYS_IMAGE_GUID] = { .type = NLA_U64 }, 4812026fbbSLeon Romanovsky [RDMA_NLDEV_ATTR_SUBNET_PREFIX] = { .type = NLA_U64 }, 4980a06dd3SLeon Romanovsky [RDMA_NLDEV_ATTR_LID] = { .type = NLA_U32 }, 5080a06dd3SLeon Romanovsky [RDMA_NLDEV_ATTR_SM_LID] = { .type = NLA_U32 }, 5134840feaSLeon Romanovsky [RDMA_NLDEV_ATTR_LMC] = { .type = NLA_U8 }, 525654e49dSLeon Romanovsky [RDMA_NLDEV_ATTR_PORT_STATE] = { .type = NLA_U8 }, 535654e49dSLeon Romanovsky [RDMA_NLDEV_ATTR_PORT_PHYS_STATE] = { .type = NLA_U8 }, 541bb77b8cSLeon Romanovsky [RDMA_NLDEV_ATTR_DEV_NODE_TYPE] = { .type = NLA_U8 }, 55b4c598a6SLeon Romanovsky }; 56b4c598a6SLeon Romanovsky 57b4c598a6SLeon Romanovsky static int fill_dev_info(struct sk_buff *msg, struct ib_device *device) 58b4c598a6SLeon Romanovsky { 598621a7e3SLeon Romanovsky char fw[IB_FW_VERSION_NAME_MAX]; 608621a7e3SLeon Romanovsky 61b4c598a6SLeon Romanovsky if (nla_put_u32(msg, RDMA_NLDEV_ATTR_DEV_INDEX, device->index)) 62b4c598a6SLeon Romanovsky return -EMSGSIZE; 63b4c598a6SLeon Romanovsky if (nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_NAME, device->name)) 64b4c598a6SLeon Romanovsky return -EMSGSIZE; 65b4c598a6SLeon Romanovsky if (nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, rdma_end_port(device))) 66b4c598a6SLeon Romanovsky return -EMSGSIZE; 67ac505253SLeon Romanovsky 68ac505253SLeon Romanovsky BUILD_BUG_ON(sizeof(device->attrs.device_cap_flags) != sizeof(u64)); 69ac505253SLeon Romanovsky if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_CAP_FLAGS, 70ac505253SLeon Romanovsky device->attrs.device_cap_flags, 0)) 71ac505253SLeon Romanovsky return -EMSGSIZE; 72ac505253SLeon Romanovsky 738621a7e3SLeon Romanovsky ib_get_device_fw_str(device, fw); 748621a7e3SLeon Romanovsky /* Device without FW has strlen(fw) */ 758621a7e3SLeon Romanovsky if (strlen(fw) && nla_put_string(msg, RDMA_NLDEV_ATTR_FW_VERSION, fw)) 768621a7e3SLeon Romanovsky return -EMSGSIZE; 778621a7e3SLeon Romanovsky 781aaff896SLeon Romanovsky if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_NODE_GUID, 791aaff896SLeon Romanovsky be64_to_cpu(device->node_guid), 0)) 801aaff896SLeon Romanovsky return -EMSGSIZE; 811aaff896SLeon Romanovsky if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_SYS_IMAGE_GUID, 821aaff896SLeon Romanovsky be64_to_cpu(device->attrs.sys_image_guid), 0)) 831aaff896SLeon Romanovsky return -EMSGSIZE; 841bb77b8cSLeon Romanovsky if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_NODE_TYPE, device->node_type)) 851bb77b8cSLeon Romanovsky return -EMSGSIZE; 86b4c598a6SLeon Romanovsky return 0; 87b4c598a6SLeon Romanovsky } 88b4c598a6SLeon Romanovsky 897d02f605SLeon Romanovsky static int fill_port_info(struct sk_buff *msg, 907d02f605SLeon Romanovsky struct ib_device *device, u32 port) 917d02f605SLeon Romanovsky { 92ac505253SLeon Romanovsky struct ib_port_attr attr; 93ac505253SLeon Romanovsky int ret; 94ac505253SLeon Romanovsky 957d02f605SLeon Romanovsky if (nla_put_u32(msg, RDMA_NLDEV_ATTR_DEV_INDEX, device->index)) 967d02f605SLeon Romanovsky return -EMSGSIZE; 977d02f605SLeon Romanovsky if (nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_NAME, device->name)) 987d02f605SLeon Romanovsky return -EMSGSIZE; 997d02f605SLeon Romanovsky if (nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port)) 1007d02f605SLeon Romanovsky return -EMSGSIZE; 101ac505253SLeon Romanovsky 102ac505253SLeon Romanovsky ret = ib_query_port(device, port, &attr); 103ac505253SLeon Romanovsky if (ret) 104ac505253SLeon Romanovsky return ret; 105ac505253SLeon Romanovsky 106ac505253SLeon Romanovsky BUILD_BUG_ON(sizeof(attr.port_cap_flags) > sizeof(u64)); 107ac505253SLeon Romanovsky if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_CAP_FLAGS, 108ac505253SLeon Romanovsky (u64)attr.port_cap_flags, 0)) 109ac505253SLeon Romanovsky return -EMSGSIZE; 11012026fbbSLeon Romanovsky if (rdma_protocol_ib(device, port) && 11112026fbbSLeon Romanovsky nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_SUBNET_PREFIX, 11212026fbbSLeon Romanovsky attr.subnet_prefix, 0)) 11312026fbbSLeon Romanovsky return -EMSGSIZE; 11480a06dd3SLeon Romanovsky if (rdma_protocol_ib(device, port)) { 11580a06dd3SLeon Romanovsky if (nla_put_u32(msg, RDMA_NLDEV_ATTR_LID, attr.lid)) 11680a06dd3SLeon Romanovsky return -EMSGSIZE; 11780a06dd3SLeon Romanovsky if (nla_put_u32(msg, RDMA_NLDEV_ATTR_SM_LID, attr.sm_lid)) 11880a06dd3SLeon Romanovsky return -EMSGSIZE; 11934840feaSLeon Romanovsky if (nla_put_u8(msg, RDMA_NLDEV_ATTR_LMC, attr.lmc)) 12034840feaSLeon Romanovsky return -EMSGSIZE; 12180a06dd3SLeon Romanovsky } 1225654e49dSLeon Romanovsky if (nla_put_u8(msg, RDMA_NLDEV_ATTR_PORT_STATE, attr.state)) 1235654e49dSLeon Romanovsky return -EMSGSIZE; 1245654e49dSLeon Romanovsky if (nla_put_u8(msg, RDMA_NLDEV_ATTR_PORT_PHYS_STATE, attr.phys_state)) 1255654e49dSLeon Romanovsky return -EMSGSIZE; 1267d02f605SLeon Romanovsky return 0; 1277d02f605SLeon Romanovsky } 1287d02f605SLeon Romanovsky 129e5c9469eSLeon Romanovsky static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, 130e5c9469eSLeon Romanovsky struct netlink_ext_ack *extack) 131e5c9469eSLeon Romanovsky { 132e5c9469eSLeon Romanovsky struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; 133e5c9469eSLeon Romanovsky struct ib_device *device; 134e5c9469eSLeon Romanovsky struct sk_buff *msg; 135e5c9469eSLeon Romanovsky u32 index; 136e5c9469eSLeon Romanovsky int err; 137e5c9469eSLeon Romanovsky 138e5c9469eSLeon Romanovsky err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, 139e5c9469eSLeon Romanovsky nldev_policy, extack); 140e5c9469eSLeon Romanovsky if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) 141e5c9469eSLeon Romanovsky return -EINVAL; 142e5c9469eSLeon Romanovsky 143e5c9469eSLeon Romanovsky index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); 144e5c9469eSLeon Romanovsky 145e5c9469eSLeon Romanovsky device = __ib_device_get_by_index(index); 146e5c9469eSLeon Romanovsky if (!device) 147e5c9469eSLeon Romanovsky return -EINVAL; 148e5c9469eSLeon Romanovsky 149e5c9469eSLeon Romanovsky msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 150e5c9469eSLeon Romanovsky if (!msg) 151e5c9469eSLeon Romanovsky return -ENOMEM; 152e5c9469eSLeon Romanovsky 153e5c9469eSLeon Romanovsky nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, 154e5c9469eSLeon Romanovsky RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET), 155e5c9469eSLeon Romanovsky 0, 0); 156e5c9469eSLeon Romanovsky 157e5c9469eSLeon Romanovsky err = fill_dev_info(msg, device); 158e5c9469eSLeon Romanovsky if (err) { 159e5c9469eSLeon Romanovsky nlmsg_free(msg); 160e5c9469eSLeon Romanovsky return err; 161e5c9469eSLeon Romanovsky } 162e5c9469eSLeon Romanovsky 163e5c9469eSLeon Romanovsky nlmsg_end(msg, nlh); 164e5c9469eSLeon Romanovsky 165e5c9469eSLeon Romanovsky return rdma_nl_unicast(msg, NETLINK_CB(skb).portid); 166e5c9469eSLeon Romanovsky } 167e5c9469eSLeon Romanovsky 168b4c598a6SLeon Romanovsky static int _nldev_get_dumpit(struct ib_device *device, 169b4c598a6SLeon Romanovsky struct sk_buff *skb, 170b4c598a6SLeon Romanovsky struct netlink_callback *cb, 171b4c598a6SLeon Romanovsky unsigned int idx) 172b4c598a6SLeon Romanovsky { 173b4c598a6SLeon Romanovsky int start = cb->args[0]; 174b4c598a6SLeon Romanovsky struct nlmsghdr *nlh; 175b4c598a6SLeon Romanovsky 176b4c598a6SLeon Romanovsky if (idx < start) 177b4c598a6SLeon Romanovsky return 0; 178b4c598a6SLeon Romanovsky 179b4c598a6SLeon Romanovsky nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, 180b4c598a6SLeon Romanovsky RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET), 181b4c598a6SLeon Romanovsky 0, NLM_F_MULTI); 182b4c598a6SLeon Romanovsky 183b4c598a6SLeon Romanovsky if (fill_dev_info(skb, device)) { 184b4c598a6SLeon Romanovsky nlmsg_cancel(skb, nlh); 185b4c598a6SLeon Romanovsky goto out; 186b4c598a6SLeon Romanovsky } 187b4c598a6SLeon Romanovsky 188b4c598a6SLeon Romanovsky nlmsg_end(skb, nlh); 189b4c598a6SLeon Romanovsky 190b4c598a6SLeon Romanovsky idx++; 191b4c598a6SLeon Romanovsky 192b4c598a6SLeon Romanovsky out: cb->args[0] = idx; 193b4c598a6SLeon Romanovsky return skb->len; 194b4c598a6SLeon Romanovsky } 195b4c598a6SLeon Romanovsky 196b4c598a6SLeon Romanovsky static int nldev_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb) 197b4c598a6SLeon Romanovsky { 198b4c598a6SLeon Romanovsky /* 199b4c598a6SLeon Romanovsky * There is no need to take lock, because 200b4c598a6SLeon Romanovsky * we are relying on ib_core's lists_rwsem 201b4c598a6SLeon Romanovsky */ 202b4c598a6SLeon Romanovsky return ib_enum_all_devs(_nldev_get_dumpit, skb, cb); 203b4c598a6SLeon Romanovsky } 204b4c598a6SLeon Romanovsky 205c3f66f7bSLeon Romanovsky static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, 206c3f66f7bSLeon Romanovsky struct netlink_ext_ack *extack) 207c3f66f7bSLeon Romanovsky { 208c3f66f7bSLeon Romanovsky struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; 209c3f66f7bSLeon Romanovsky struct ib_device *device; 210c3f66f7bSLeon Romanovsky struct sk_buff *msg; 211c3f66f7bSLeon Romanovsky u32 index; 212c3f66f7bSLeon Romanovsky u32 port; 213c3f66f7bSLeon Romanovsky int err; 214c3f66f7bSLeon Romanovsky 215c3f66f7bSLeon Romanovsky err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, 216c3f66f7bSLeon Romanovsky nldev_policy, extack); 217287683d0SLeon Romanovsky if (err || 218287683d0SLeon Romanovsky !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || 219287683d0SLeon Romanovsky !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) 220c3f66f7bSLeon Romanovsky return -EINVAL; 221c3f66f7bSLeon Romanovsky 222c3f66f7bSLeon Romanovsky index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); 223c3f66f7bSLeon Romanovsky device = __ib_device_get_by_index(index); 224c3f66f7bSLeon Romanovsky if (!device) 225c3f66f7bSLeon Romanovsky return -EINVAL; 226c3f66f7bSLeon Romanovsky 227c3f66f7bSLeon Romanovsky port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); 228c3f66f7bSLeon Romanovsky if (!rdma_is_port_valid(device, port)) 229c3f66f7bSLeon Romanovsky return -EINVAL; 230c3f66f7bSLeon Romanovsky 231c3f66f7bSLeon Romanovsky msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 232c3f66f7bSLeon Romanovsky if (!msg) 233c3f66f7bSLeon Romanovsky return -ENOMEM; 234c3f66f7bSLeon Romanovsky 235c3f66f7bSLeon Romanovsky nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, 236c3f66f7bSLeon Romanovsky RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET), 237c3f66f7bSLeon Romanovsky 0, 0); 238c3f66f7bSLeon Romanovsky 239c3f66f7bSLeon Romanovsky err = fill_port_info(msg, device, port); 240c3f66f7bSLeon Romanovsky if (err) { 241c3f66f7bSLeon Romanovsky nlmsg_free(msg); 242c3f66f7bSLeon Romanovsky return err; 243c3f66f7bSLeon Romanovsky } 244c3f66f7bSLeon Romanovsky 245c3f66f7bSLeon Romanovsky nlmsg_end(msg, nlh); 246c3f66f7bSLeon Romanovsky 247c3f66f7bSLeon Romanovsky return rdma_nl_unicast(msg, NETLINK_CB(skb).portid); 248c3f66f7bSLeon Romanovsky } 249c3f66f7bSLeon Romanovsky 2507d02f605SLeon Romanovsky static int nldev_port_get_dumpit(struct sk_buff *skb, 2517d02f605SLeon Romanovsky struct netlink_callback *cb) 2527d02f605SLeon Romanovsky { 2537d02f605SLeon Romanovsky struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; 2547d02f605SLeon Romanovsky struct ib_device *device; 2557d02f605SLeon Romanovsky int start = cb->args[0]; 2567d02f605SLeon Romanovsky struct nlmsghdr *nlh; 2577d02f605SLeon Romanovsky u32 idx = 0; 2587d02f605SLeon Romanovsky u32 ifindex; 2597d02f605SLeon Romanovsky int err; 2607d02f605SLeon Romanovsky u32 p; 2617d02f605SLeon Romanovsky 2627d02f605SLeon Romanovsky err = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, 2637d02f605SLeon Romanovsky nldev_policy, NULL); 2647d02f605SLeon Romanovsky if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) 2657d02f605SLeon Romanovsky return -EINVAL; 2667d02f605SLeon Romanovsky 2677d02f605SLeon Romanovsky ifindex = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); 2687d02f605SLeon Romanovsky device = __ib_device_get_by_index(ifindex); 2697d02f605SLeon Romanovsky if (!device) 2707d02f605SLeon Romanovsky return -EINVAL; 2717d02f605SLeon Romanovsky 2727d02f605SLeon Romanovsky for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) { 2737d02f605SLeon Romanovsky /* 2747d02f605SLeon Romanovsky * The dumpit function returns all information from specific 2757d02f605SLeon Romanovsky * index. This specific index is taken from the netlink 2767d02f605SLeon Romanovsky * messages request sent by user and it is available 2777d02f605SLeon Romanovsky * in cb->args[0]. 2787d02f605SLeon Romanovsky * 2797d02f605SLeon Romanovsky * Usually, the user doesn't fill this field and it causes 2807d02f605SLeon Romanovsky * to return everything. 2817d02f605SLeon Romanovsky * 2827d02f605SLeon Romanovsky */ 2837d02f605SLeon Romanovsky if (idx < start) { 2847d02f605SLeon Romanovsky idx++; 2857d02f605SLeon Romanovsky continue; 2867d02f605SLeon Romanovsky } 2877d02f605SLeon Romanovsky 2887d02f605SLeon Romanovsky nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, 2897d02f605SLeon Romanovsky cb->nlh->nlmsg_seq, 2907d02f605SLeon Romanovsky RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, 2917d02f605SLeon Romanovsky RDMA_NLDEV_CMD_PORT_GET), 2927d02f605SLeon Romanovsky 0, NLM_F_MULTI); 2937d02f605SLeon Romanovsky 2947d02f605SLeon Romanovsky if (fill_port_info(skb, device, p)) { 2957d02f605SLeon Romanovsky nlmsg_cancel(skb, nlh); 2967d02f605SLeon Romanovsky goto out; 2977d02f605SLeon Romanovsky } 2987d02f605SLeon Romanovsky idx++; 2997d02f605SLeon Romanovsky nlmsg_end(skb, nlh); 3007d02f605SLeon Romanovsky } 3017d02f605SLeon Romanovsky 3027d02f605SLeon Romanovsky out: cb->args[0] = idx; 3037d02f605SLeon Romanovsky return skb->len; 3047d02f605SLeon Romanovsky } 3057d02f605SLeon Romanovsky 306b4c598a6SLeon Romanovsky static const struct rdma_nl_cbs nldev_cb_table[] = { 307b4c598a6SLeon Romanovsky [RDMA_NLDEV_CMD_GET] = { 308e5c9469eSLeon Romanovsky .doit = nldev_get_doit, 309b4c598a6SLeon Romanovsky .dump = nldev_get_dumpit, 310b4c598a6SLeon Romanovsky }, 3117d02f605SLeon Romanovsky [RDMA_NLDEV_CMD_PORT_GET] = { 312c3f66f7bSLeon Romanovsky .doit = nldev_port_get_doit, 3137d02f605SLeon Romanovsky .dump = nldev_port_get_dumpit, 3147d02f605SLeon Romanovsky }, 315b4c598a6SLeon Romanovsky }; 316b4c598a6SLeon Romanovsky 3176c80b41aSLeon Romanovsky void __init nldev_init(void) 3186c80b41aSLeon Romanovsky { 319b4c598a6SLeon Romanovsky rdma_nl_register(RDMA_NL_NLDEV, nldev_cb_table); 3206c80b41aSLeon Romanovsky } 3216c80b41aSLeon Romanovsky 3226c80b41aSLeon Romanovsky void __exit nldev_exit(void) 3236c80b41aSLeon Romanovsky { 3246c80b41aSLeon Romanovsky rdma_nl_unregister(RDMA_NL_NLDEV); 3256c80b41aSLeon Romanovsky } 326e3bf14bdSJason Gunthorpe 327e3bf14bdSJason Gunthorpe MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_NLDEV, 5); 328