io/softmac/softmac_dev.c

156 	softmac_upper_t	*sup = buf;
160 	mutex_init(&sup->su_mutex, NULL, MUTEX_DEFAULT, NULL);
161 	cv_init(&sup->su_cv, NULL, CV_DEFAULT, NULL);
162 	mutex_init(&sup->su_disp_mutex, NULL, MUTEX_DEFAULT, NULL);
163 	cv_init(&sup->su_disp_cv, NULL, CV_DEFAULT, NULL);
164 	list_create(&sup->su_req_list, sizeof (softmac_switch_req_t),
173 	softmac_upper_t	*sup = buf;
175 	ASSERT(sup->su_slp == NULL);
176 	ASSERT(sup->su_pending_head == NULL && sup->su_pending_tail == NULL);
177 	ASSERT(!sup->su_dlpi_pending);
178 	ASSERT(!sup->su_active);
179 	ASSERT(!sup->su_closing);
180 	ASSERT(sup->su_tx_flow_mp == NULL);
181 	ASSERT(sup->su_tx_inprocess == 0);
182 	ASSERT(sup->su_mode == SOFTMAC_UNKNOWN);
183 	ASSERT(!sup->su_tx_busy);
184 	ASSERT(!sup->su_bound);
185 	ASSERT(!sup->su_taskq_scheduled);
186 	ASSERT(sup->su_tx_notify_func == NULL);
187 	ASSERT(sup->su_tx_notify_arg == NULL);
188 	ASSERT(list_is_empty(&sup->su_req_list));
190 	list_destroy(&sup->su_req_list);
191 	mutex_destroy(&sup->su_mutex);
192 	cv_destroy(&sup->su_cv);
193 	mutex_destroy(&sup->su_disp_mutex);
194 	cv_destroy(&sup->su_disp_cv);
516 	softmac_upper_t	*sup = NULL;
527 	sup = kmem_cache_alloc(softmac_upper_cachep, KM_NOSLEEP);
528 	if (sup == NULL) {
533 	ASSERT(list_is_empty(&sup->su_req_list));
535 	if ((sup->su_tx_flow_mp = allocb(1, BPRI_HI)) == NULL) {
540 	sup->su_rq = rq;
541 	sup->su_wq = WR(rq);
542 	sup->su_softmac = softmac;
543 	sup->su_mode = SOFTMAC_UNKNOWN;
545 	sup->su_rxinfo.slr_arg = sup;
546 	sup->su_rxinfo.slr_rx = softmac_dedicated_rx;
547 	sup->su_direct_rxinfo.slr_arg = sup;
548 	sup->su_direct_rxinfo.slr_rx = softmac_dedicated_rx;
550 	if ((err = dld_str_open(rq, devp, sup)) != 0) {
551 		freeb(sup->su_tx_flow_mp);
552 		sup->su_tx_flow_mp = NULL;
559 	if (sup != NULL)
560 		kmem_cache_free(softmac_upper_cachep, sup);
568 	softmac_upper_t	*sup = dld_str_private(rq);
569 	softmac_t	*softmac = sup->su_softmac;
575 	ASSERT(sup->su_tx_inprocess == 0);
580 	mutex_enter(&sup->su_disp_mutex);
581 	sup->su_closing = B_TRUE;
582 	while (sup->su_dlpi_pending)
583 		cv_wait(&sup->su_disp_cv, &sup->su_disp_mutex);
584 	mutex_exit(&sup->su_disp_mutex);
586 	softmac_upperstream_close(sup);
588 	if (sup->su_tx_flow_mp != NULL) {
589 		freeb(sup->su_tx_flow_mp);
590 		sup->su_tx_flow_mp = NULL;
593 	if (sup->su_active) {
597 		sup->su_active = B_FALSE;
600 	sup->su_bound = B_FALSE;
601 	sup->su_softmac = NULL;
602 	sup->su_closing = B_FALSE;
604 	kmem_cache_free(softmac_upper_cachep, sup);
613 	softmac_upper_t	*sup = dld_str_private(wq);
621 		softmac_wput_data(sup, mp);
633 			softmac_wput_data(sup, mp);
637 		softmac_wput_nondata(sup, mp);
640 		softmac_wput_nondata(sup, mp);
648 	softmac_upper_t	*sup = dld_str_private(wq);
652 	mutex_enter(&sup->su_mutex);
653 	if (sup->su_mode != SOFTMAC_FASTPATH) {
657 		sup->su_tx_inprocess++;
658 		mutex_exit(&sup->su_mutex);
660 		mutex_enter(&sup->su_mutex);
661 		if (--sup->su_tx_inprocess == 0)
662 			cv_signal(&sup->su_cv);
663 	} else if (sup->su_tx_busy && SOFTMAC_CANPUTNEXT(sup->su_slp->sl_wq)) {
671 		if (sup->su_tx_notify_func != NULL) {
672 			sup->su_tx_inprocess++;
673 			mutex_exit(&sup->su_mutex);
674 			sup->su_tx_notify_func(sup->su_tx_notify_arg,
675 			    (mac_tx_cookie_t)sup);
676 			mutex_enter(&sup->su_mutex);
677 			if (--sup->su_tx_inprocess == 0)
678 				cv_signal(&sup->su_cv);
680 		ASSERT(sup->su_tx_flow_mp == NULL);
681 		VERIFY((sup->su_tx_flow_mp = getq(wq)) != NULL);
682 		sup->su_tx_busy = B_FALSE;
684 	mutex_exit(&sup->su_mutex);