On 1/2/18 2:37 AM, Leon Romanovsky wrote:
> + mnl_attr_for_each_nested(nla_entry, nla_table) {
> + struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
> + uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn;
> + uint8_t type, state, path_mig_state = 0;
> + uint32_t port = 0, pid = 0;
> + bool ignore_value = false;
> + char port_name[32];
> + const char *comm;
> + int err;
> +
> + err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
> + if (err != MNL_CB_OK)
> + return -EINVAL;
> +
> + if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN] ||
> + !nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] ||
> + !nla_line[RDMA_NLDEV_ATTR_RES_TYPE] ||
> + !nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
> + !nla_line[RDMA_NLDEV_ATTR_RES_PID_COMM]) {
> + return -EINVAL;
> + }
> +
> + if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
> + port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
> +
> + if (port != rd->port_idx)
> + continue;
> +
> + if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
> + snprintf(port_name, 32, "%s/%u", name, port);
> + else
> + snprintf(port_name, 32, "%s/-", name);
> +
> + lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
> + if (rd_check_is_filtered(rd, "lqpn", lqpn, false))
> + continue;
> +
> + if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
> + rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]);
> + else
> + ignore_value = true;
> +
> + if (rd_check_is_filtered(rd, "rqpn", rqpn, ignore_value))
> + continue;
> +
> + if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
> + rq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]);
> +
> + sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
> + if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
> + path_mig_state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]);
> + type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
> + state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
> +
> + if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
> + pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
> +
> + if (rd_check_is_filtered(rd, "pid", pid, false))
> + continue;
> +
> + comm = mnl_attr_get_str(nla_line[RDMA_NLDEV_ATTR_RES_PID_COMM]);
> +
> + if (rd->json_output) {
> + jsonw_start_array(rd->jw);
> + jsonw_uint_field(rd->jw, "ifindex", idx);
> + if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
> + jsonw_uint_field(rd->jw, "port", port);
> + jsonw_string_field(rd->jw, "ifname", port_name);
> + jsonw_uint_field(rd->jw, "lqpn", lqpn);
> + if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
> + jsonw_uint_field(rd->jw, "rqpn", rqpn);
> + if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
> + jsonw_uint_field(rd->jw, "rq-psn", rq_psn);
> + if (nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN])
> + jsonw_uint_field(rd->jw, "sq-psn", sq_psn);
> + if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
> + jsonw_string_field(rd->jw, "path-mig-state",
> + path_mig_to_str(path_mig_state));
> +
> + jsonw_string_field(rd->jw, "type", qp_types_to_str(type));
> + jsonw_string_field(rd->jw, "state", qp_states_to_str(state));
> + if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
> + jsonw_uint_field(rd->jw, "pid", pid);
> + jsonw_string_field(rd->jw, "comm", comm);
> + jsonw_end_array(rd->jw);
Some newlines separating common fields goes a long way to make that
readable.
> + } else {
> + pr_out("%-10s", port_name);
> + for (cidx = 0; cidx < ARRAY_SIZE(c); cidx++)
> + if (show_column(rd, &c[cidx])) {
> + if (!strcmpx(c[cidx].filter_name, "lqpn"))
> + pr_out("%-11u", lqpn);
> + if (!strcmpx(c[cidx].filter_name, "rqpn")) {
> + if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
> + pr_out("%-11u", rqpn);
> + else
> + pr_out("%-11s", "---");
> + }
> + if (!strcmpx(c[cidx].filter_name, "type"))
> + pr_out("%-6s", qp_types_to_str(type));
> + if (!strcmpx(c[cidx].filter_name, "state"))
> + pr_out("%-7s", qp_states_to_str(state));
> + if (!strcmpx(c[cidx].filter_name, "rq-psn")) {
> + if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
> + pr_out("%-11d", rq_psn);
> + else
> + pr_out("%-11s", "---");
> + }
> + if (!strcmpx(c[cidx].filter_name, "sq-psn"))
> + pr_out("%-11d", sq_psn);
> + if (!strcmpx(c[cidx].filter_name, "path-mig")) {
> + if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
> + pr_out("%-16s", path_mig_to_str(path_mig_state));
> + else
> + pr_out("%-16s", "---");
> + }
> + if (!strcmpx(c[cidx].filter_name, "pid"))
> + pr_out("%-11d", pid);
> + if (!strcmpx(c[cidx].filter_name, "comm")) {
> + if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
> + pr_out("%-16s ", comm);
> + } else {
> + char tmp[18];
> +
> + snprintf(tmp, sizeof(tmp), "[%s]", comm);
> + pr_out("%-16s", tmp);
> + }
> + }
same with this block. Can each be put into helpers to decrease the
indentation and then some newlines to put some whitespace on all the
strcmp's?
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