+#define MAX_UPDATE_PARAMS 7
+
+int iscsi_session_update_params(struct iscsi_conn *conn, node_rec_t *rec)
+{
+ struct iscsi_session *session = conn->session;
+ int i, rc;
+ struct connparam {
+ int param;
+ int type;
+ void *value;
+ int conn_only;
+ } conntbl[MAX_UPDATE_PARAMS] = {
+ {
+ .param = ISCSI_PARAM_SESS_RECOVERY_TMO,
+ .value = &rec->session.timeo.replacement_timeout,
+ .type = ISCSI_INT,
+ .conn_only = 0,
+ }, {
+ .param = ISCSI_PARAM_FAST_ABORT,
+ .value = &rec->session.iscsi.FastAbort,
+ .type = ISCSI_INT,
+ .conn_only = 0,
+ }, {
+ .param = ISCSI_PARAM_ABORT_TMO,
+ .value = &rec->session.err_timeo.abort_timeout,
+ .type = ISCSI_INT,
+ .conn_only = 0,
+ }, {
+ .param = ISCSI_PARAM_LU_RESET_TMO,
+ .value = &rec->session.err_timeo.lu_reset_timeout,
+ .type = ISCSI_INT,
+ .conn_only = 0,
+ }, {
+ .param = ISCSI_PARAM_TGT_RESET_TMO,
+ .value = &rec->session.err_timeo.tgt_reset_timeout,
+ .type = ISCSI_INT,
+ .conn_only = 0,
+ }, {
+ .param = ISCSI_PARAM_PING_TMO,
+ .value = &rec->conn[conn->id].timeo.noop_out_timeout,
+ .type = ISCSI_INT,
+ .conn_only = 1,
+ }, {
+ .param = ISCSI_PARAM_RECV_TMO,
+ .value = &rec->conn[conn->id].timeo.noop_out_interval,
+ .type = ISCSI_INT,
+ .conn_only = 1,
+ },
+ };
+
+ for (i = 0; i < MAX_UPDATE_PARAMS; i++) {
+ if (conntbl[i].type == ISCSI_INT) {
+ if (*((int *)conntbl[i].value) == NO_UPDATE)
+ continue;
+ }
+
+ if (!(session->param_mask & (1ULL << conntbl[i].param)))
+ continue;
+
+ rc = ipc->set_param(session->t->handle, session->id,
+ conn->id, conntbl[i].param, conntbl[i].value,
+ conntbl[i].type);
+ if (rc && rc != -ENOSYS) {
+ log_error("can't set operational parameter %d for "
+ "connection %d:%d, retcode %d (%d)",
+ conntbl[i].param, session->id, conn->id,
+ rc, errno);
+ return -EPERM;
+ }
+
+ if (rc == -ENOSYS) {
+ switch (conntbl[i].param) {
+ case ISCSI_PARAM_PING_TMO:
+ /*
+ * older kernels may not support nops
+ * in kernel
+ */
+ conn->userspace_nop = 1;
+ break;
+ }
+ }
+ print_param_value(conntbl[i].param, conntbl[i].value,
+ conntbl[i].type);
+ }
+
+ return 0;
+}
+
