Lines Matching refs:tq
103 vmxnet3_tq_stopped(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter) in vmxnet3_tq_stopped() argument
105 return tq->stopped; in vmxnet3_tq_stopped()
110 vmxnet3_tq_start(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter) in vmxnet3_tq_start() argument
112 tq->stopped = false; in vmxnet3_tq_start()
113 netif_start_subqueue(adapter->netdev, tq - adapter->tx_queue); in vmxnet3_tq_start()
118 vmxnet3_tq_wake(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter) in vmxnet3_tq_wake() argument
120 tq->stopped = false; in vmxnet3_tq_wake()
121 netif_wake_subqueue(adapter->netdev, (tq - adapter->tx_queue)); in vmxnet3_tq_wake()
126 vmxnet3_tq_stop(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter) in vmxnet3_tq_stop() argument
128 tq->stopped = true; in vmxnet3_tq_stop()
129 tq->num_stop++; in vmxnet3_tq_stop()
130 netif_stop_subqueue(adapter->netdev, (tq - adapter->tx_queue)); in vmxnet3_tq_stop()
329 vmxnet3_unmap_pkt(u32 eop_idx, struct vmxnet3_tx_queue *tq, in vmxnet3_unmap_pkt() argument
336 BUG_ON(tq->buf_info[eop_idx].sop_idx != tq->tx_ring.next2comp); in vmxnet3_unmap_pkt()
337 BUG_ON(VMXNET3_TXDESC_GET_EOP(&(tq->tx_ring.base[eop_idx].txd)) != 1); in vmxnet3_unmap_pkt()
339 skb = tq->buf_info[eop_idx].skb; in vmxnet3_unmap_pkt()
341 tq->buf_info[eop_idx].skb = NULL; in vmxnet3_unmap_pkt()
343 VMXNET3_INC_RING_IDX_ONLY(eop_idx, tq->tx_ring.size); in vmxnet3_unmap_pkt()
345 while (tq->tx_ring.next2comp != eop_idx) { in vmxnet3_unmap_pkt()
346 vmxnet3_unmap_tx_buf(tq->buf_info + tq->tx_ring.next2comp, in vmxnet3_unmap_pkt()
354 vmxnet3_cmd_ring_adv_next2comp(&tq->tx_ring); in vmxnet3_unmap_pkt()
364 vmxnet3_tq_tx_complete(struct vmxnet3_tx_queue *tq, in vmxnet3_tq_tx_complete() argument
370 gdesc = tq->comp_ring.base + tq->comp_ring.next2proc; in vmxnet3_tq_tx_complete()
371 while (VMXNET3_TCD_GET_GEN(&gdesc->tcd) == tq->comp_ring.gen) { in vmxnet3_tq_tx_complete()
373 &gdesc->tcd), tq, adapter->pdev, in vmxnet3_tq_tx_complete()
376 vmxnet3_comp_ring_adv_next2proc(&tq->comp_ring); in vmxnet3_tq_tx_complete()
377 gdesc = tq->comp_ring.base + tq->comp_ring.next2proc; in vmxnet3_tq_tx_complete()
381 spin_lock(&tq->tx_lock); in vmxnet3_tq_tx_complete()
382 if (unlikely(vmxnet3_tq_stopped(tq, adapter) && in vmxnet3_tq_tx_complete()
383 vmxnet3_cmd_ring_desc_avail(&tq->tx_ring) > in vmxnet3_tq_tx_complete()
384 VMXNET3_WAKE_QUEUE_THRESHOLD(tq) && in vmxnet3_tq_tx_complete()
386 vmxnet3_tq_wake(tq, adapter); in vmxnet3_tq_tx_complete()
388 spin_unlock(&tq->tx_lock); in vmxnet3_tq_tx_complete()
395 vmxnet3_tq_cleanup(struct vmxnet3_tx_queue *tq, in vmxnet3_tq_cleanup() argument
400 while (tq->tx_ring.next2comp != tq->tx_ring.next2fill) { in vmxnet3_tq_cleanup()
403 tbi = tq->buf_info + tq->tx_ring.next2comp; in vmxnet3_tq_cleanup()
410 vmxnet3_cmd_ring_adv_next2comp(&tq->tx_ring); in vmxnet3_tq_cleanup()
414 for (i = 0; i < tq->tx_ring.size; i++) { in vmxnet3_tq_cleanup()
415 BUG_ON(tq->buf_info[i].skb != NULL || in vmxnet3_tq_cleanup()
416 tq->buf_info[i].map_type != VMXNET3_MAP_NONE); in vmxnet3_tq_cleanup()
419 tq->tx_ring.gen = VMXNET3_INIT_GEN; in vmxnet3_tq_cleanup()
420 tq->tx_ring.next2fill = tq->tx_ring.next2comp = 0; in vmxnet3_tq_cleanup()
422 tq->comp_ring.gen = VMXNET3_INIT_GEN; in vmxnet3_tq_cleanup()
423 tq->comp_ring.next2proc = 0; in vmxnet3_tq_cleanup()
428 vmxnet3_tq_destroy(struct vmxnet3_tx_queue *tq, in vmxnet3_tq_destroy() argument
431 if (tq->tx_ring.base) { in vmxnet3_tq_destroy()
432 dma_free_coherent(&adapter->pdev->dev, tq->tx_ring.size * in vmxnet3_tq_destroy()
434 tq->tx_ring.base, tq->tx_ring.basePA); in vmxnet3_tq_destroy()
435 tq->tx_ring.base = NULL; in vmxnet3_tq_destroy()
437 if (tq->data_ring.base) { in vmxnet3_tq_destroy()
438 dma_free_coherent(&adapter->pdev->dev, tq->data_ring.size * in vmxnet3_tq_destroy()
440 tq->data_ring.base, tq->data_ring.basePA); in vmxnet3_tq_destroy()
441 tq->data_ring.base = NULL; in vmxnet3_tq_destroy()
443 if (tq->comp_ring.base) { in vmxnet3_tq_destroy()
444 dma_free_coherent(&adapter->pdev->dev, tq->comp_ring.size * in vmxnet3_tq_destroy()
446 tq->comp_ring.base, tq->comp_ring.basePA); in vmxnet3_tq_destroy()
447 tq->comp_ring.base = NULL; in vmxnet3_tq_destroy()
449 if (tq->buf_info) { in vmxnet3_tq_destroy()
451 tq->tx_ring.size * sizeof(tq->buf_info[0]), in vmxnet3_tq_destroy()
452 tq->buf_info, tq->buf_info_pa); in vmxnet3_tq_destroy()
453 tq->buf_info = NULL; in vmxnet3_tq_destroy()
470 vmxnet3_tq_init(struct vmxnet3_tx_queue *tq, in vmxnet3_tq_init() argument
476 memset(tq->tx_ring.base, 0, tq->tx_ring.size * in vmxnet3_tq_init()
478 tq->tx_ring.next2fill = tq->tx_ring.next2comp = 0; in vmxnet3_tq_init()
479 tq->tx_ring.gen = VMXNET3_INIT_GEN; in vmxnet3_tq_init()
481 memset(tq->data_ring.base, 0, tq->data_ring.size * in vmxnet3_tq_init()
485 memset(tq->comp_ring.base, 0, tq->comp_ring.size * in vmxnet3_tq_init()
487 tq->comp_ring.next2proc = 0; in vmxnet3_tq_init()
488 tq->comp_ring.gen = VMXNET3_INIT_GEN; in vmxnet3_tq_init()
491 memset(tq->buf_info, 0, sizeof(tq->buf_info[0]) * tq->tx_ring.size); in vmxnet3_tq_init()
492 for (i = 0; i < tq->tx_ring.size; i++) in vmxnet3_tq_init()
493 tq->buf_info[i].map_type = VMXNET3_MAP_NONE; in vmxnet3_tq_init()
500 vmxnet3_tq_create(struct vmxnet3_tx_queue *tq, in vmxnet3_tq_create() argument
505 BUG_ON(tq->tx_ring.base || tq->data_ring.base || in vmxnet3_tq_create()
506 tq->comp_ring.base || tq->buf_info); in vmxnet3_tq_create()
508 tq->tx_ring.base = dma_alloc_coherent(&adapter->pdev->dev, in vmxnet3_tq_create()
509 tq->tx_ring.size * sizeof(struct Vmxnet3_TxDesc), in vmxnet3_tq_create()
510 &tq->tx_ring.basePA, GFP_KERNEL); in vmxnet3_tq_create()
511 if (!tq->tx_ring.base) { in vmxnet3_tq_create()
516 tq->data_ring.base = dma_alloc_coherent(&adapter->pdev->dev, in vmxnet3_tq_create()
517 tq->data_ring.size * sizeof(struct Vmxnet3_TxDataDesc), in vmxnet3_tq_create()
518 &tq->data_ring.basePA, GFP_KERNEL); in vmxnet3_tq_create()
519 if (!tq->data_ring.base) { in vmxnet3_tq_create()
524 tq->comp_ring.base = dma_alloc_coherent(&adapter->pdev->dev, in vmxnet3_tq_create()
525 tq->comp_ring.size * sizeof(struct Vmxnet3_TxCompDesc), in vmxnet3_tq_create()
526 &tq->comp_ring.basePA, GFP_KERNEL); in vmxnet3_tq_create()
527 if (!tq->comp_ring.base) { in vmxnet3_tq_create()
532 sz = tq->tx_ring.size * sizeof(tq->buf_info[0]); in vmxnet3_tq_create()
533 tq->buf_info = dma_zalloc_coherent(&adapter->pdev->dev, sz, in vmxnet3_tq_create()
534 &tq->buf_info_pa, GFP_KERNEL); in vmxnet3_tq_create()
535 if (!tq->buf_info) in vmxnet3_tq_create()
541 vmxnet3_tq_destroy(tq, adapter); in vmxnet3_tq_create()
660 struct vmxnet3_tx_queue *tq, struct pci_dev *pdev, in vmxnet3_map_pkt() argument
672 dw2 = (tq->tx_ring.gen ^ 0x1) << VMXNET3_TXD_GEN_SHIFT; in vmxnet3_map_pkt()
674 ctx->sop_txd = tq->tx_ring.base + tq->tx_ring.next2fill; in vmxnet3_map_pkt()
679 ctx->sop_txd->txd.addr = cpu_to_le64(tq->data_ring.basePA + in vmxnet3_map_pkt()
680 tq->tx_ring.next2fill * in vmxnet3_map_pkt()
685 tbi = tq->buf_info + tq->tx_ring.next2fill; in vmxnet3_map_pkt()
690 tq->tx_ring.next2fill, in vmxnet3_map_pkt()
693 vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); in vmxnet3_map_pkt()
696 dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; in vmxnet3_map_pkt()
713 tbi = tq->buf_info + tq->tx_ring.next2fill; in vmxnet3_map_pkt()
721 gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; in vmxnet3_map_pkt()
722 BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); in vmxnet3_map_pkt()
730 tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr), in vmxnet3_map_pkt()
732 vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); in vmxnet3_map_pkt()
733 dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; in vmxnet3_map_pkt()
746 tbi = tq->buf_info + tq->tx_ring.next2fill; in vmxnet3_map_pkt()
761 gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; in vmxnet3_map_pkt()
762 BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); in vmxnet3_map_pkt()
770 tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr), in vmxnet3_map_pkt()
772 vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); in vmxnet3_map_pkt()
773 dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; in vmxnet3_map_pkt()
784 tbi->sop_idx = ctx->sop_txd - tq->tx_ring.base; in vmxnet3_map_pkt()
817 vmxnet3_parse_and_copy_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, in vmxnet3_parse_and_copy_hdr() argument
870 tq->stats.oversized_hdr++; in vmxnet3_parse_and_copy_hdr()
875 tdd = tq->data_ring.base + tq->tx_ring.next2fill; in vmxnet3_parse_and_copy_hdr()
880 ctx->copy_size, tq->tx_ring.next2fill); in vmxnet3_parse_and_copy_hdr()
935 vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, in vmxnet3_tq_xmit() argument
958 tq->stats.drop_tso++; in vmxnet3_tq_xmit()
961 tq->stats.copy_skb_header++; in vmxnet3_tq_xmit()
971 tq->stats.drop_too_many_frags++; in vmxnet3_tq_xmit()
974 tq->stats.linearized++; in vmxnet3_tq_xmit()
981 spin_lock_irqsave(&tq->tx_lock, flags); in vmxnet3_tq_xmit()
983 if (count > vmxnet3_cmd_ring_desc_avail(&tq->tx_ring)) { in vmxnet3_tq_xmit()
984 tq->stats.tx_ring_full++; in vmxnet3_tq_xmit()
988 tq->tx_ring.next2comp, tq->tx_ring.next2fill); in vmxnet3_tq_xmit()
990 vmxnet3_tq_stop(tq, adapter); in vmxnet3_tq_xmit()
991 spin_unlock_irqrestore(&tq->tx_lock, flags); in vmxnet3_tq_xmit()
996 ret = vmxnet3_parse_and_copy_hdr(skb, tq, &ctx, adapter); in vmxnet3_tq_xmit()
1015 tq->stats.drop_hdr_inspect_err++; in vmxnet3_tq_xmit()
1020 vmxnet3_map_pkt(skb, &ctx, tq, adapter->pdev, adapter); in vmxnet3_tq_xmit()
1037 le32_add_cpu(&tq->shared->txNumDeferred, (skb->len - in vmxnet3_tq_xmit()
1049 le32_add_cpu(&tq->shared->txNumDeferred, 1); in vmxnet3_tq_xmit()
1071 tq->tx_ring.base), le64_to_cpu(gdesc->txd.addr), in vmxnet3_tq_xmit()
1074 spin_unlock_irqrestore(&tq->tx_lock, flags); in vmxnet3_tq_xmit()
1076 if (le32_to_cpu(tq->shared->txNumDeferred) >= in vmxnet3_tq_xmit()
1077 le32_to_cpu(tq->shared->txThreshold)) { in vmxnet3_tq_xmit()
1078 tq->shared->txNumDeferred = 0; in vmxnet3_tq_xmit()
1080 VMXNET3_REG_TXPROD + tq->qid * 8, in vmxnet3_tq_xmit()
1081 tq->tx_ring.next2fill); in vmxnet3_tq_xmit()
1087 tq->stats.drop_oversized_hdr++; in vmxnet3_tq_xmit()
1089 spin_unlock_irqrestore(&tq->tx_lock, flags); in vmxnet3_tq_xmit()
1091 tq->stats.drop_total++; in vmxnet3_tq_xmit()
1644 struct vmxnet3_tx_queue *tq = in vmxnet3_poll_rx_only() local
1646 vmxnet3_tq_tx_complete(tq, adapter); in vmxnet3_poll_rx_only()
1669 struct vmxnet3_tx_queue *tq = data; in vmxnet3_msix_tx() local
1670 struct vmxnet3_adapter *adapter = tq->adapter; in vmxnet3_msix_tx()
1673 vmxnet3_disable_intr(adapter, tq->comp_ring.intr_idx); in vmxnet3_msix_tx()
1683 vmxnet3_tq_tx_complete(tq, adapter); in vmxnet3_msix_tx()
1685 vmxnet3_enable_intr(adapter, tq->comp_ring.intr_idx); in vmxnet3_msix_tx()
2173 struct vmxnet3_tx_queue *tq = &adapter->tx_queue[i]; in vmxnet3_setup_driver_shared() local
2176 tqc->txRingBasePA = cpu_to_le64(tq->tx_ring.basePA); in vmxnet3_setup_driver_shared()
2177 tqc->dataRingBasePA = cpu_to_le64(tq->data_ring.basePA); in vmxnet3_setup_driver_shared()
2178 tqc->compRingBasePA = cpu_to_le64(tq->comp_ring.basePA); in vmxnet3_setup_driver_shared()
2179 tqc->ddPA = cpu_to_le64(tq->buf_info_pa); in vmxnet3_setup_driver_shared()
2180 tqc->txRingSize = cpu_to_le32(tq->tx_ring.size); in vmxnet3_setup_driver_shared()
2181 tqc->dataRingSize = cpu_to_le32(tq->data_ring.size); in vmxnet3_setup_driver_shared()
2182 tqc->compRingSize = cpu_to_le32(tq->comp_ring.size); in vmxnet3_setup_driver_shared()
2186 tqc->intrIdx = tq->comp_ring.intr_idx; in vmxnet3_setup_driver_shared()
2540 struct vmxnet3_tx_queue *tq = &adapter->tx_queue[i]; in vmxnet3_create_queues() local
2541 tq->tx_ring.size = tx_ring_size; in vmxnet3_create_queues()
2542 tq->data_ring.size = tx_ring_size; in vmxnet3_create_queues()
2543 tq->comp_ring.size = tx_ring_size; in vmxnet3_create_queues()
2544 tq->shared = &adapter->tqd_start[i].ctrl; in vmxnet3_create_queues()
2545 tq->stopped = true; in vmxnet3_create_queues()
2546 tq->adapter = adapter; in vmxnet3_create_queues()
2547 tq->qid = i; in vmxnet3_create_queues()
2548 err = vmxnet3_tq_create(tq, adapter); in vmxnet3_create_queues()