rdma/res-cmid.c

   1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
   2 /*
   3  * res-cmid.c   RDMA tool
   4  * Authors:     Leon Romanovsky <leonro@mellanox.com>
   5  */
   6
   7 #include "res.h"
   8 #include <inttypes.h>
   9
  10 static void print_qp_type(struct rd *rd, uint32_t val)
  11 {
  12         print_color_string(PRINT_ANY, COLOR_NONE, "qp-type", "qp-type %s ",
  13                            qp_types_to_str(val));
  14 }
  15
  16 static const char *cm_id_state_to_str(uint8_t idx)
  17 {
  18         static const char *const cm_id_states_str[] = {
  19                 "IDLE",           "ADDR_QUERY",     "ADDR_RESOLVED",
  20                 "ROUTE_QUERY",    "ROUTE_RESOLVED", "CONNECT",
  21                 "DISCONNECT",     "ADDR_BOUND",     "LISTEN",
  22                 "DEVICE_REMOVAL", "DESTROYING"
  23         };
  24
  25         if (idx < ARRAY_SIZE(cm_id_states_str))
  26                 return cm_id_states_str[idx];
  27         return "UNKNOWN";
  28 }
  29
  30 static const char *cm_id_ps_to_str(uint32_t ps)
  31 {
  32         switch (ps) {
  33         case RDMA_PS_IPOIB:
  34                 return "IPoIB";
  35         case RDMA_PS_IB:
  36                 return "IPoIB";
  37         case RDMA_PS_TCP:
  38                 return "TCP";
  39         case RDMA_PS_UDP:
  40                 return "UDP";
  41         default:
  42                 return "---";
  43         }
  44 }
  45
  46 static void print_cm_id_state(struct rd *rd, uint8_t state)
  47 {
  48         print_color_string(PRINT_ANY, COLOR_NONE, "state", "state %s ",
  49                            cm_id_state_to_str(state));
  50 }
  51
  52 static void print_ps(struct rd *rd, uint32_t ps)
  53 {
  54         print_color_string(PRINT_ANY, COLOR_NONE, "ps", "ps %s ",
  55                            cm_id_ps_to_str(ps));
  56 }
  57
  58 static void print_ipaddr(struct rd *rd, const char *key, char *addrstr,
  59                          uint16_t port)
  60 {
  61         int name_size = INET6_ADDRSTRLEN + strlen(":65535");
  62         char json_name[name_size];
  63
  64         snprintf(json_name, name_size, "%s:%u", addrstr, port);
  65         print_color_string(PRINT_ANY, COLOR_NONE, key, key, json_name);
  66         print_color_string(PRINT_FP, COLOR_NONE, NULL, " %s:", addrstr);
  67         print_color_uint(PRINT_FP, COLOR_NONE, NULL, "%u ", port);
  68 }
  69
  70 static int ss_ntop(struct nlattr *nla_line, char *addr_str, uint16_t *port)
  71 {
  72         struct __kernel_sockaddr_storage *addr;
  73
  74         addr = (struct __kernel_sockaddr_storage *)mnl_attr_get_payload(
  75                 nla_line);
  76         switch (addr->ss_family) {
  77         case AF_INET: {
  78                 struct sockaddr_in *sin = (struct sockaddr_in *)addr;
  79
  80                 if (!inet_ntop(AF_INET, (const void *)&sin->sin_addr, addr_str,
  81                                INET6_ADDRSTRLEN))
  82                         return -EINVAL;
  83                 *port = ntohs(sin->sin_port);
  84                 break;
  85         }
  86         case AF_INET6: {
  87                 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr;
  88
  89                 if (!inet_ntop(AF_INET6, (const void *)&sin6->sin6_addr,
  90                                addr_str, INET6_ADDRSTRLEN))
  91                         return -EINVAL;
  92                 *port = ntohs(sin6->sin6_port);
  93                 break;
  94         }
  95         default:
  96                 return -EINVAL;
  97         }
  98         return 0;
  99 }
 100 static int res_cm_id_line(struct rd *rd, const char *name, int idx,
 101                        struct nlattr **nla_line)
 102 {
 103         char src_addr_str[INET6_ADDRSTRLEN];
 104         char dst_addr_str[INET6_ADDRSTRLEN];
 105         uint16_t src_port, dst_port;
 106         uint32_t port = 0, pid = 0;
 107         uint8_t type = 0, state;
 108         uint32_t lqpn = 0, ps;
 109         uint32_t cm_idn = 0;
 110         char *comm = NULL;
 111
 112         if (!nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
 113             !nla_line[RDMA_NLDEV_ATTR_RES_PS])
 114                 return MNL_CB_ERROR;
 115
 116         if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
 117                 port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
 118
 119         if (port && port != rd->port_idx)
 120                 goto out;
 121
 122         if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
 123                 lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
 124
 125         if (rd_is_filtered_attr(rd, "lqpn", lqpn,
 126                                 nla_line[RDMA_NLDEV_ATTR_RES_LQPN]))
 127                 goto out;
 128
 129         if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
 130                 type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
 131         if (rd_is_string_filtered_attr(rd, "qp-type", qp_types_to_str(type),
 132                                        nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
 133                 goto out;
 134
 135         ps = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PS]);
 136         if (rd_is_string_filtered_attr(rd, "ps", cm_id_ps_to_str(ps),
 137                                        nla_line[RDMA_NLDEV_ATTR_RES_PS]))
 138                 goto out;
 139
 140         state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
 141         if (rd_is_string_filtered_attr(rd, "state", cm_id_state_to_str(state),
 142                                        nla_line[RDMA_NLDEV_ATTR_RES_STATE]))
 143                 goto out;
 144
 145         if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
 146                 if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR],
 147                             src_addr_str, &src_port))
 148                         goto out;
 149         if (rd_is_string_filtered_attr(rd, "src-addr", src_addr_str,
 150                                        nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]))
 151                 goto out;
 152         if (rd_is_filtered_attr(rd, "src-port", src_port,
 153                                 nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]))
 154                 goto out;
 155
 156         if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
 157                 if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR],
 158                             dst_addr_str, &dst_port))
 159                         goto out;
 160         if (rd_is_string_filtered_attr(rd, "dst-addr", dst_addr_str,
 161                                        nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]))
 162                 goto out;
 163         if (rd_is_filtered_attr(rd, "dst-port", dst_port,
 164                                 nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]))
 165                 goto out;
 166
 167         if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
 168                 pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
 169                 comm = get_task_name(pid);
 170         }
 171
 172         if (rd_is_filtered_attr(rd, "pid", pid,
 173                                 nla_line[RDMA_NLDEV_ATTR_RES_PID]))
 174                 goto out;
 175
 176         if (nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN])
 177                 cm_idn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
 178         if (rd_is_filtered_attr(rd, "cm-idn", cm_idn,
 179                                 nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]))
 180                 goto out;
 181
 182         if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) {
 183                 /* discard const from mnl_attr_get_str */
 184                 comm = (char *)mnl_attr_get_str(
 185                         nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
 186         }
 187
 188         open_json_object(NULL);
 189         print_link(rd, idx, name, port, nla_line);
 190         res_print_uint(rd, "cm-idn", cm_idn,
 191                        nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
 192         res_print_uint(rd, "lqpn", lqpn, nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
 193         if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
 194                 print_qp_type(rd, type);
 195         print_cm_id_state(rd, state);
 196         print_ps(rd, ps);
 197         res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
 198         print_comm(rd, comm, nla_line);
 199
 200         if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
 201                 print_ipaddr(rd, "src-addr", src_addr_str, src_port);
 202         if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
 203                 print_ipaddr(rd, "dst-addr", dst_addr_str, dst_port);
 204
 205         print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
 206         newline(rd);
 207
 208 out:    if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
 209                 free(comm);
 210         return MNL_CB_OK;
 211 }
 212
 213 int res_cm_id_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
 214 {
 215         struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
 216         struct rd *rd = data;
 217         const char *name;
 218         int idx;
 219
 220         mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
 221         if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
 222                 return MNL_CB_ERROR;
 223
 224         name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
 225         idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
 226
 227         return res_cm_id_line(rd, name, idx, tb);
 228 }
 229
 230 int res_cm_id_parse_cb(const struct nlmsghdr *nlh, void *data)
 231 {
 232         struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
 233         struct nlattr *nla_table, *nla_entry;
 234         struct rd *rd = data;
 235         int ret = MNL_CB_OK;
 236         const char *name;
 237         int idx;
 238
 239         mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
 240         if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
 241             !tb[RDMA_NLDEV_ATTR_RES_CM_ID])
 242                 return MNL_CB_ERROR;
 243
 244         name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
 245         idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
 246         nla_table = tb[RDMA_NLDEV_ATTR_RES_CM_ID];
 247
 248         mnl_attr_for_each_nested(nla_entry, nla_table) {
 249                 struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
 250
 251                 ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
 252                 if (ret != MNL_CB_OK)
 253                         break;
 254
 255                 ret = res_cm_id_line(rd, name, idx, nla_line);
 256                 if (ret != MNL_CB_OK)
 257                         break;
 258         }
 259         return ret;
 260 }