Lines Matching refs:scq
115 #define scq_virt_to_bus(scq, p) \ argument
116 (scq->dma + ((unsigned long)(p) - (unsigned long)(scq)->org))
126 static void free_scq(ns_dev *card, scq_info * scq, struct atm_vcc *vcc);
133 static int push_scqe(ns_dev * card, vc_map * vc, scq_info * scq, ns_scqe * tbd,
136 static void drain_scq(ns_dev * card, scq_info * scq, int pos);
245 free_scq(card, card->scd2vc[j]->scq, card->scd2vc[j]->tx_vcc); in nicstar_remove_one()
861 scq_info *scq; in get_scq() local
867 scq = kmalloc(sizeof(*scq), GFP_KERNEL); in get_scq()
868 if (!scq) in get_scq()
870 scq->org = dma_alloc_coherent(&card->pcidev->dev, in get_scq()
871 2 * size, &scq->dma, GFP_KERNEL); in get_scq()
872 if (!scq->org) { in get_scq()
873 kfree(scq); in get_scq()
876 scq->skb = kmalloc_array(size / NS_SCQE_SIZE, in get_scq()
877 sizeof(*scq->skb), in get_scq()
879 if (!scq->skb) { in get_scq()
881 2 * size, scq->org, scq->dma); in get_scq()
882 kfree(scq); in get_scq()
885 scq->num_entries = size / NS_SCQE_SIZE; in get_scq()
886 scq->base = PTR_ALIGN(scq->org, size); in get_scq()
887 scq->next = scq->base; in get_scq()
888 scq->last = scq->base + (scq->num_entries - 1); in get_scq()
889 scq->tail = scq->last; in get_scq()
890 scq->scd = scd; in get_scq()
891 scq->num_entries = size / NS_SCQE_SIZE; in get_scq()
892 scq->tbd_count = 0; in get_scq()
893 init_waitqueue_head(&scq->scqfull_waitq); in get_scq()
894 scq->full = 0; in get_scq()
895 spin_lock_init(&scq->lock); in get_scq()
897 for (i = 0; i < scq->num_entries; i++) in get_scq()
898 scq->skb[i] = NULL; in get_scq()
900 return scq; in get_scq()
904 static void free_scq(ns_dev *card, scq_info *scq, struct atm_vcc *vcc) in free_scq() argument
908 if (scq->num_entries == VBR_SCQ_NUM_ENTRIES) in free_scq()
909 for (i = 0; i < scq->num_entries; i++) { in free_scq()
910 if (scq->skb[i] != NULL) { in free_scq()
911 vcc = ATM_SKB(scq->skb[i])->vcc; in free_scq()
913 vcc->pop(vcc, scq->skb[i]); in free_scq()
915 dev_kfree_skb_any(scq->skb[i]); in free_scq()
922 for (i = 0; i < scq->num_entries; i++) in free_scq()
923 dev_kfree_skb_any(scq->skb[i]); in free_scq()
925 for (i = 0; i < scq->num_entries; i++) { in free_scq()
926 if (scq->skb[i] != NULL) { in free_scq()
928 vcc->pop(vcc, scq->skb[i]); in free_scq()
930 dev_kfree_skb_any(scq->skb[i]); in free_scq()
934 kfree(scq->skb); in free_scq()
936 2 * (scq->num_entries == VBR_SCQ_NUM_ENTRIES ? in free_scq()
938 scq->org, scq->dma); in free_scq()
939 kfree(scq); in free_scq()
1275 scq_info *scq; in ns_open() local
1357 scq = get_scq(card, CBR_SCQSIZE, vc->cbr_scd); in ns_open()
1358 if (scq == NULL) { in ns_open()
1367 vc->scq = scq; in ns_open()
1368 u32d[0] = scq_virt_to_bus(scq, scq->base); in ns_open()
1377 vc->scq = card->scq0; in ns_open()
1469 scq_info *scq; in ns_close() local
1471 scq = vc->scq; in ns_close()
1474 spin_lock_irqsave(&scq->lock, flags); in ns_close()
1475 scqep = scq->next; in ns_close()
1476 if (scqep == scq->base) in ns_close()
1477 scqep = scq->last; in ns_close()
1480 if (scqep == scq->tail) { in ns_close()
1481 spin_unlock_irqrestore(&scq->lock, flags); in ns_close()
1486 if (!ns_scqe_is_tsr(scqep) && scq->tail != scq->next) { in ns_close()
1494 scqi = scq->next - scq->base; in ns_close()
1498 *scq->next = tsr; in ns_close()
1500 scq->skb[index] = NULL; in ns_close()
1501 if (scq->next == scq->last) in ns_close()
1502 scq->next = scq->base; in ns_close()
1504 scq->next++; in ns_close()
1505 data = scq_virt_to_bus(scq, scq->next); in ns_close()
1506 ns_write_sram(card, scq->scd, &data, 1); in ns_close()
1508 spin_unlock_irqrestore(&scq->lock, flags); in ns_close()
1524 free_scq(card, vc->scq, vcc); in ns_close()
1530 scq_info *scq = card->scq0; in ns_close() local
1532 spin_lock_irqsave(&scq->lock, flags); in ns_close()
1534 for (i = 0; i < scq->num_entries; i++) { in ns_close()
1535 if (scq->skb[i] && ATM_SKB(scq->skb[i])->vcc == vcc) { in ns_close()
1536 ATM_SKB(scq->skb[i])->vcc = NULL; in ns_close()
1537 atm_return(vcc, scq->skb[i]->truesize); in ns_close()
1543 spin_unlock_irqrestore(&scq->lock, flags); in ns_close()
1629 scq_info *scq; in ns_send() local
1702 scq = ((vc_map *) vcc->dev_data)->scq; in ns_send()
1706 scq = card->scq0; in ns_send()
1709 if (push_scqe(card, vc, scq, &scqe, skb) != 0) { in ns_send()
1721 static int push_scqe(ns_dev * card, vc_map * vc, scq_info * scq, ns_scqe * tbd, in push_scqe() argument
1731 spin_lock_irqsave(&scq->lock, flags); in push_scqe()
1732 while (scq->tail == scq->next) { in push_scqe()
1734 spin_unlock_irqrestore(&scq->lock, flags); in push_scqe()
1739 scq->full = 1; in push_scqe()
1740 wait_event_interruptible_lock_irq_timeout(scq->scqfull_waitq, in push_scqe()
1741 scq->tail != scq->next, in push_scqe()
1742 scq->lock, in push_scqe()
1745 if (scq->full) { in push_scqe()
1746 spin_unlock_irqrestore(&scq->lock, flags); in push_scqe()
1752 *scq->next = *tbd; in push_scqe()
1753 index = (int)(scq->next - scq->base); in push_scqe()
1754 scq->skb[index] = skb; in push_scqe()
1760 scq->next); in push_scqe()
1761 if (scq->next == scq->last) in push_scqe()
1762 scq->next = scq->base; in push_scqe()
1764 scq->next++; in push_scqe()
1767 if (scq->num_entries == VBR_SCQ_NUM_ENTRIES) { in push_scqe()
1768 scq->tbd_count++; in push_scqe()
1774 || scq->tbd_count >= MAX_TBD_PER_SCQ) { in push_scqe()
1777 while (scq->tail == scq->next) { in push_scqe()
1779 data = scq_virt_to_bus(scq, scq->next); in push_scqe()
1780 ns_write_sram(card, scq->scd, &data, 1); in push_scqe()
1781 spin_unlock_irqrestore(&scq->lock, flags); in push_scqe()
1787 scq->full = 1; in push_scqe()
1790 wait_event_interruptible_lock_irq_timeout(scq->scqfull_waitq, in push_scqe()
1791 scq->tail != scq->next, in push_scqe()
1792 scq->lock, in push_scqe()
1796 if (!scq->full) { in push_scqe()
1802 scqi = scq->next - scq->base; in push_scqe()
1807 *scq->next = tsr; in push_scqe()
1809 scq->skb[index] = NULL; in push_scqe()
1814 le32_to_cpu(tsr.word_4), scq->next); in push_scqe()
1815 if (scq->next == scq->last) in push_scqe()
1816 scq->next = scq->base; in push_scqe()
1818 scq->next++; in push_scqe()
1820 scq->tbd_count = 0; in push_scqe()
1825 data = scq_virt_to_bus(scq, scq->next); in push_scqe()
1826 ns_write_sram(card, scq->scd, &data, 1); in push_scqe()
1828 spin_unlock_irqrestore(&scq->lock, flags); in push_scqe()
1836 scq_info *scq; in process_tsq() local
1869 scq = card->scq0; in process_tsq()
1878 scq = card->scd2vc[scdi]->scq; in process_tsq()
1880 drain_scq(card, scq, ns_tsi_getscqpos(card->tsq.next)); in process_tsq()
1881 scq->full = 0; in process_tsq()
1882 wake_up_interruptible(&(scq->scqfull_waitq)); in process_tsq()
1908 static void drain_scq(ns_dev * card, scq_info * scq, int pos) in drain_scq() argument
1916 card->index, scq, pos); in drain_scq()
1917 if (pos >= scq->num_entries) { in drain_scq()
1922 spin_lock_irqsave(&scq->lock, flags); in drain_scq()
1923 i = (int)(scq->tail - scq->base); in drain_scq()
1924 if (++i == scq->num_entries) in drain_scq()
1927 skb = scq->skb[i]; in drain_scq()
1941 scq->skb[i] = NULL; in drain_scq()
1943 if (++i == scq->num_entries) in drain_scq()
1946 scq->tail = scq->base + pos; in drain_scq()
1947 spin_unlock_irqrestore(&scq->lock, flags); in drain_scq()