tcp_misc.c (4ba231ce) tcp_misc.c (6e91bba0)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

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627 break;
628 }
629 }
630 mutex_exit(&tcps->tcps_listener_conf_lock);
631 return (ratio);
632}
633
634/*
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

--- 618 unchanged lines hidden (view full) ---

627 break;
628 }
629 }
630 mutex_exit(&tcps->tcps_listener_conf_lock);
631 return (ratio);
632}
633
634/*
635 * Ndd param helper routine to return the current list of listener limit
636 * configuration.
637 */
638/* ARGSUSED */
639int
640tcp_listener_conf_get(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
641{
642 tcp_stack_t *tcps = Q_TO_TCP(q)->tcp_tcps;
643 tcp_listener_t *tl;
644
645 mutex_enter(&tcps->tcps_listener_conf_lock);
646 for (tl = list_head(&tcps->tcps_listener_conf); tl != NULL;
647 tl = list_next(&tcps->tcps_listener_conf, tl)) {
648 (void) mi_mpprintf(mp, "%d:%d ", tl->tl_port, tl->tl_ratio);
649 }
650 mutex_exit(&tcps->tcps_listener_conf_lock);
651 return (0);
652}
653
654/*
655 * Ndd param helper routine to add a new listener limit configuration.
656 */
657/* ARGSUSED */
658int
659tcp_listener_conf_add(queue_t *q, mblk_t *mp, char *value, caddr_t cp,
660 cred_t *cr)
661{
662 tcp_listener_t *new_tl;
663 tcp_listener_t *tl;
664 long lport;
665 long ratio;
666 char *colon;
667 tcp_stack_t *tcps = Q_TO_TCP(q)->tcp_tcps;
668
669 if (ddi_strtol(value, &colon, 10, &lport) != 0 || lport <= 0 ||
670 lport > USHRT_MAX || *colon != ':') {
671 return (EINVAL);
672 }
673 if (ddi_strtol(colon + 1, NULL, 10, &ratio) != 0 || ratio <= 0)
674 return (EINVAL);
675
676 mutex_enter(&tcps->tcps_listener_conf_lock);
677 for (tl = list_head(&tcps->tcps_listener_conf); tl != NULL;
678 tl = list_next(&tcps->tcps_listener_conf, tl)) {
679 /* There is an existing entry, so update its ratio value. */
680 if (tl->tl_port == lport) {
681 tl->tl_ratio = ratio;
682 mutex_exit(&tcps->tcps_listener_conf_lock);
683 return (0);
684 }
685 }
686
687 if ((new_tl = kmem_alloc(sizeof (tcp_listener_t), KM_NOSLEEP)) ==
688 NULL) {
689 mutex_exit(&tcps->tcps_listener_conf_lock);
690 return (ENOMEM);
691 }
692
693 new_tl->tl_port = lport;
694 new_tl->tl_ratio = ratio;
695 list_insert_tail(&tcps->tcps_listener_conf, new_tl);
696 mutex_exit(&tcps->tcps_listener_conf_lock);
697 return (0);
698}
699
700/*
701 * Ndd param helper routine to remove a listener limit configuration.
702 */
703/* ARGSUSED */
704int
705tcp_listener_conf_del(queue_t *q, mblk_t *mp, char *value, caddr_t cp,
706 cred_t *cr)
707{
708 tcp_listener_t *tl;
709 long lport;
710 tcp_stack_t *tcps = Q_TO_TCP(q)->tcp_tcps;
711
712 if (ddi_strtol(value, NULL, 10, &lport) != 0 || lport <= 0 ||
713 lport > USHRT_MAX) {
714 return (EINVAL);
715 }
716 mutex_enter(&tcps->tcps_listener_conf_lock);
717 for (tl = list_head(&tcps->tcps_listener_conf); tl != NULL;
718 tl = list_next(&tcps->tcps_listener_conf, tl)) {
719 if (tl->tl_port == lport) {
720 list_remove(&tcps->tcps_listener_conf, tl);
721 mutex_exit(&tcps->tcps_listener_conf_lock);
722 kmem_free(tl, sizeof (tcp_listener_t));
723 return (0);
724 }
725 }
726 mutex_exit(&tcps->tcps_listener_conf_lock);
727 return (ESRCH);
728}
729
730/*
731 * To remove all listener limit configuration in a tcp_stack_t.
732 */
733void
734tcp_listener_conf_cleanup(tcp_stack_t *tcps)
735{
736 tcp_listener_t *tl;
737
738 mutex_enter(&tcps->tcps_listener_conf_lock);

--- 164 unchanged lines hidden --- 		635 * To remove all listener limit configuration in a tcp_stack_t.
636 */
637void
638tcp_listener_conf_cleanup(tcp_stack_t *tcps)
639{
640 tcp_listener_t *tl;
641
642 mutex_enter(&tcps->tcps_listener_conf_lock);

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