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