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// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* res-cmid.c RDMA tool
* Authors: Leon Romanovsky <leonro@mellanox.com>
*/
#include "res.h"
#include <inttypes.h>
static const char *cm_id_state_to_str(uint8_t idx)
{
static const char *const cm_id_states_str[] = {
"IDLE", "ADDR_QUERY", "ADDR_RESOLVED",
"ROUTE_QUERY", "ROUTE_RESOLVED", "CONNECT",
"DISCONNECT", "ADDR_BOUND", "LISTEN",
"DEVICE_REMOVAL", "DESTROYING"
};
if (idx < ARRAY_SIZE(cm_id_states_str))
return cm_id_states_str[idx];
return "UNKNOWN";
}
static const char *cm_id_ps_to_str(uint32_t ps)
{
switch (ps) {
case RDMA_PS_IPOIB:
return "IPoIB";
case RDMA_PS_IB:
return "IPoIB";
case RDMA_PS_TCP:
return "TCP";
case RDMA_PS_UDP:
return "UDP";
default:
return "---";
}
}
static void print_cm_id_state(uint8_t state)
{
print_string(PRINT_ANY, "state", "state %s ", cm_id_state_to_str(state));
}
static void print_ps(uint32_t ps)
{
print_string(PRINT_ANY, "ps", "ps %s ", cm_id_ps_to_str(ps));
}
static void print_ipaddr(const char *key, char *addrstr, uint16_t port)
{
int name_size = INET6_ADDRSTRLEN + strlen(":65535");
char json_name[name_size];
snprintf(json_name, name_size, "%s:%u", addrstr, port);
print_string(PRINT_ANY, key, key, json_name);
print_string(PRINT_FP, NULL, " %s:", addrstr);
print_uint(PRINT_FP, NULL, "%u ", port);
}
static int ss_ntop(struct nlattr *nla_line, char *addr_str, uint16_t *port)
{
struct __kernel_sockaddr_storage *addr;
addr = (struct __kernel_sockaddr_storage *)mnl_attr_get_payload(
nla_line);
switch (addr->ss_family) {
case AF_INET: {
struct sockaddr_in *sin = (struct sockaddr_in *)addr;
if (!inet_ntop(AF_INET, (const void *)&sin->sin_addr, addr_str,
INET6_ADDRSTRLEN))
return -EINVAL;
*port = ntohs(sin->sin_port);
break;
}
case AF_INET6: {
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr;
if (!inet_ntop(AF_INET6, (const void *)&sin6->sin6_addr,
addr_str, INET6_ADDRSTRLEN))
return -EINVAL;
*port = ntohs(sin6->sin6_port);
break;
}
default:
return -EINVAL;
}
return 0;
}
static int res_cm_id_line(struct rd *rd, const char *name, int idx,
struct nlattr **nla_line)
{
char src_addr_str[INET6_ADDRSTRLEN];
char dst_addr_str[INET6_ADDRSTRLEN];
uint16_t src_port, dst_port;
uint32_t port = 0, pid = 0;
uint8_t type = 0, state;
uint32_t lqpn = 0, ps;
uint32_t cm_idn = 0;
char *comm = NULL;
SPRINT_BUF(b);
if (!nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
!nla_line[RDMA_NLDEV_ATTR_RES_PS])
return MNL_CB_ERROR;
if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
if (port && port != rd->port_idx)
goto out;
if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
if (rd_is_filtered_attr(rd, "lqpn", lqpn,
nla_line[RDMA_NLDEV_ATTR_RES_LQPN]))
goto out;
if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
if (rd_is_string_filtered_attr(rd, "qp-type", qp_types_to_str(type),
nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
goto out;
ps = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PS]);
if (rd_is_string_filtered_attr(rd, "ps", cm_id_ps_to_str(ps),
nla_line[RDMA_NLDEV_ATTR_RES_PS]))
goto out;
state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
if (rd_is_string_filtered_attr(rd, "state", cm_id_state_to_str(state),
nla_line[RDMA_NLDEV_ATTR_RES_STATE]))
goto out;
if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR],
src_addr_str, &src_port))
goto out;
if (rd_is_string_filtered_attr(rd, "src-addr", src_addr_str,
nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]))
goto out;
if (rd_is_filtered_attr(rd, "src-port", src_port,
nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]))
goto out;
if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR],
dst_addr_str, &dst_port))
goto out;
if (rd_is_string_filtered_attr(rd, "dst-addr", dst_addr_str,
nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]))
goto out;
if (rd_is_filtered_attr(rd, "dst-port", dst_port,
nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]))
goto out;
if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
if (!get_task_name(pid, b, sizeof(b)))
comm = b;
} else if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) {
/* discard const from mnl_attr_get_str */
comm = (char *)mnl_attr_get_str(
nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
}
if (rd_is_filtered_attr(rd, "pid", pid,
nla_line[RDMA_NLDEV_ATTR_RES_PID]))
goto out;
if (nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN])
cm_idn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
if (rd_is_filtered_attr(rd, "cm-idn", cm_idn,
nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]))
goto out;
open_json_object(NULL);
print_link(idx, name, port, nla_line);
res_print_u32("cm-idn", cm_idn, nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
res_print_u32("lqpn", lqpn, nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
print_qp_type(type);
print_cm_id_state(state);
print_ps(ps);
res_print_u32("pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
print_comm(comm, nla_line);
if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
print_ipaddr("src-addr", src_addr_str, src_port);
if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
print_ipaddr("dst-addr", dst_addr_str, dst_port);
print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
close_json_object();
newline();
out:
return MNL_CB_OK;
}
int res_cm_id_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
{
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
struct rd *rd = data;
const char *name;
int idx;
mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
return MNL_CB_ERROR;
name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
return res_cm_id_line(rd, name, idx, tb);
}
int res_cm_id_parse_cb(const struct nlmsghdr *nlh, void *data)
{
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
struct nlattr *nla_table, *nla_entry;
struct rd *rd = data;
int ret = MNL_CB_OK;
const char *name;
int idx;
mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
!tb[RDMA_NLDEV_ATTR_RES_CM_ID])
return MNL_CB_ERROR;
name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
nla_table = tb[RDMA_NLDEV_ATTR_RES_CM_ID];
mnl_attr_for_each_nested(nla_entry, nla_table) {
struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
if (ret != MNL_CB_OK)
break;
ret = res_cm_id_line(rd, name, idx, nla_line);
if (ret != MNL_CB_OK)
break;
}
return ret;
}
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