Lines Matching +full:prog +full:- +full:gpios
1 // SPDX-License-Identifier: GPL-2.0+
17 * Copyright (c) 2001-2005 Greg Ungerer (gerg@snapgear.com)
20 * Copyright (c) 2004-2006 Macq Electronique SA.
22 * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
194 { .compatible = "fsl,imx25-fec", .data = &fec_imx25_info, },
195 { .compatible = "fsl,imx27-fec", .data = &fec_imx27_info, },
196 { .compatible = "fsl,imx28-fec", .data = &fec_imx28_info, },
197 { .compatible = "fsl,imx6q-fec", .data = &fec_imx6q_info, },
198 { .compatible = "fsl,mvf600-fec", .data = &fec_mvf600_info, },
199 { .compatible = "fsl,imx6sx-fec", .data = &fec_imx6x_info, },
200 { .compatible = "fsl,imx6ul-fec", .data = &fec_imx6ul_info, },
201 { .compatible = "fsl,imx8mq-fec", .data = &fec_imx8mq_info, },
202 { .compatible = "fsl,imx8qm-fec", .data = &fec_imx8qm_info, },
203 { .compatible = "fsl,s32v234-fec", .data = &fec_s32v234_info, },
215 * if this is non-zero then assume it is the address to get MAC from.
237 #define PKT_MAXBUF_SIZE (round_down(2048 - 64, 64))
308 ((addr >= txq->tso_hdrs_dma) && \
309 (addr < txq->tso_hdrs_dma + txq->bd.ring_size * TSO_HEADER_SIZE))
316 return (bdp >= bd->last) ? bd->base in fec_enet_get_nextdesc()
317 : (struct bufdesc *)(((void *)bdp) + bd->dsize); in fec_enet_get_nextdesc()
323 return (bdp <= bd->base) ? bd->last in fec_enet_get_prevdesc()
324 : (struct bufdesc *)(((void *)bdp) - bd->dsize); in fec_enet_get_prevdesc()
330 return ((const char *)bdp - (const char *)bd->base) >> bd->dsize_log2; in fec_enet_get_bd_index()
337 entries = (((const char *)txq->dirty_tx - in fec_enet_get_free_txdesc_num()
338 (const char *)txq->bd.cur) >> txq->bd.dsize_log2) - 1; in fec_enet_get_free_txdesc_num()
340 return entries >= 0 ? entries : entries + txq->bd.ring_size; in fec_enet_get_free_txdesc_num()
362 txq = fep->tx_queue[0]; in fec_dump()
363 bdp = txq->bd.base; in fec_dump()
368 bdp == txq->bd.cur ? 'S' : ' ', in fec_dump()
369 bdp == txq->dirty_tx ? 'H' : ' ', in fec_dump()
370 fec16_to_cpu(bdp->cbd_sc), in fec_dump()
371 fec32_to_cpu(bdp->cbd_bufaddr), in fec_dump()
372 fec16_to_cpu(bdp->cbd_datlen), in fec_dump()
373 txq->tx_buf[index].buf_p); in fec_dump()
374 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_dump()
376 } while (bdp != txq->bd.base); in fec_dump()
381 * a band-aid with a manual flush in fec_enet_rx_queue.
419 fec_dma_free(dev, this->size, this->vaddr, this->dma_handle); in fec_dmam_release()
436 dr->vaddr = vaddr; in fec_dmam_alloc()
437 dr->dma_handle = *handle; in fec_dmam_alloc()
438 dr->size = size; in fec_dmam_alloc()
445 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; in is_ipv4_pkt()
452 if (skb->ip_summed != CHECKSUM_PARTIAL) in fec_enet_clear_csum()
456 return -1; in fec_enet_clear_csum()
459 ip_hdr(skb)->check = 0; in fec_enet_clear_csum()
460 *(__sum16 *)(skb->head + skb->csum_start + skb->csum_offset) = 0; in fec_enet_clear_csum()
469 struct bpf_prog *xdp_prog = READ_ONCE(fep->xdp_prog); in fec_enet_create_page_pool()
474 .nid = dev_to_node(&fep->pdev->dev), in fec_enet_create_page_pool()
475 .dev = &fep->pdev->dev, in fec_enet_create_page_pool()
482 rxq->page_pool = page_pool_create(&pp_params); in fec_enet_create_page_pool()
483 if (IS_ERR(rxq->page_pool)) { in fec_enet_create_page_pool()
484 err = PTR_ERR(rxq->page_pool); in fec_enet_create_page_pool()
485 rxq->page_pool = NULL; in fec_enet_create_page_pool()
489 err = xdp_rxq_info_reg(&rxq->xdp_rxq, fep->netdev, rxq->id, 0); in fec_enet_create_page_pool()
493 err = xdp_rxq_info_reg_mem_model(&rxq->xdp_rxq, MEM_TYPE_PAGE_POOL, in fec_enet_create_page_pool()
494 rxq->page_pool); in fec_enet_create_page_pool()
501 xdp_rxq_info_unreg(&rxq->xdp_rxq); in fec_enet_create_page_pool()
503 page_pool_destroy(rxq->page_pool); in fec_enet_create_page_pool()
504 rxq->page_pool = NULL; in fec_enet_create_page_pool()
514 struct bufdesc *bdp = txq->bd.cur; in fec_enet_txq_submit_frag_skb()
516 int nr_frags = skb_shinfo(skb)->nr_frags; in fec_enet_txq_submit_frag_skb()
527 this_frag = &skb_shinfo(skb)->frags[frag]; in fec_enet_txq_submit_frag_skb()
528 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
531 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_submit_frag_skb()
534 frag_len = skb_frag_size(&skb_shinfo(skb)->frags[frag]); in fec_enet_txq_submit_frag_skb()
537 if (frag == nr_frags - 1) { in fec_enet_txq_submit_frag_skb()
539 if (fep->bufdesc_ex) { in fec_enet_txq_submit_frag_skb()
541 if (unlikely(skb_shinfo(skb)->tx_flags & in fec_enet_txq_submit_frag_skb()
542 SKBTX_HW_TSTAMP && fep->hwts_tx_en)) in fec_enet_txq_submit_frag_skb()
547 if (fep->bufdesc_ex) { in fec_enet_txq_submit_frag_skb()
548 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_submit_frag_skb()
549 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_submit_frag_skb()
550 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_submit_frag_skb()
553 ebdp->cbd_bdu = 0; in fec_enet_txq_submit_frag_skb()
554 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_submit_frag_skb()
559 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
560 if (((unsigned long) bufaddr) & fep->tx_align || in fec_enet_txq_submit_frag_skb()
561 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_submit_frag_skb()
562 memcpy(txq->tx_bounce[index], bufaddr, frag_len); in fec_enet_txq_submit_frag_skb()
563 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_submit_frag_skb()
565 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_submit_frag_skb()
569 addr = dma_map_single(&fep->pdev->dev, bufaddr, frag_len, in fec_enet_txq_submit_frag_skb()
571 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_submit_frag_skb()
577 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_submit_frag_skb()
578 bdp->cbd_datlen = cpu_to_fec16(frag_len); in fec_enet_txq_submit_frag_skb()
583 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_submit_frag_skb()
588 bdp = txq->bd.cur; in fec_enet_txq_submit_frag_skb()
590 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
591 dma_unmap_single(&fep->pdev->dev, fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_txq_submit_frag_skb()
592 fec16_to_cpu(bdp->cbd_datlen), DMA_TO_DEVICE); in fec_enet_txq_submit_frag_skb()
594 return ERR_PTR(-ENOMEM); in fec_enet_txq_submit_frag_skb()
601 int nr_frags = skb_shinfo(skb)->nr_frags; in fec_enet_txq_submit_skb()
619 /* Protocol checksum off-load for TCP and UDP. */ in fec_enet_txq_submit_skb()
626 bdp = txq->bd.cur; in fec_enet_txq_submit_skb()
628 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_submit_skb()
632 bufaddr = skb->data; in fec_enet_txq_submit_skb()
635 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_skb()
636 if (((unsigned long) bufaddr) & fep->tx_align || in fec_enet_txq_submit_skb()
637 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_submit_skb()
638 memcpy(txq->tx_bounce[index], skb->data, buflen); in fec_enet_txq_submit_skb()
639 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_submit_skb()
641 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_submit_skb()
646 addr = dma_map_single(&fep->pdev->dev, bufaddr, buflen, DMA_TO_DEVICE); in fec_enet_txq_submit_skb()
647 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_submit_skb()
657 dma_unmap_single(&fep->pdev->dev, addr, in fec_enet_txq_submit_skb()
664 if (fep->bufdesc_ex) { in fec_enet_txq_submit_skb()
666 if (unlikely(skb_shinfo(skb)->tx_flags & in fec_enet_txq_submit_skb()
667 SKBTX_HW_TSTAMP && fep->hwts_tx_en)) in fec_enet_txq_submit_skb()
671 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_submit_skb()
672 bdp->cbd_datlen = cpu_to_fec16(buflen); in fec_enet_txq_submit_skb()
674 if (fep->bufdesc_ex) { in fec_enet_txq_submit_skb()
678 if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && in fec_enet_txq_submit_skb()
679 fep->hwts_tx_en)) in fec_enet_txq_submit_skb()
680 skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; in fec_enet_txq_submit_skb()
682 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_submit_skb()
683 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_submit_skb()
685 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_submit_skb()
688 ebdp->cbd_bdu = 0; in fec_enet_txq_submit_skb()
689 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_submit_skb()
692 index = fec_enet_get_bd_index(last_bdp, &txq->bd); in fec_enet_txq_submit_skb()
694 txq->tx_buf[index].buf_p = skb; in fec_enet_txq_submit_skb()
705 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_submit_skb()
708 bdp = fec_enet_get_nextdesc(last_bdp, &txq->bd); in fec_enet_txq_submit_skb()
712 /* Make sure the update to bdp is performed before txq->bd.cur. */ in fec_enet_txq_submit_skb()
714 txq->bd.cur = bdp; in fec_enet_txq_submit_skb()
717 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_submit_skb()
734 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_put_data_tso()
739 if (((unsigned long) data) & fep->tx_align || in fec_enet_txq_put_data_tso()
740 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_put_data_tso()
741 memcpy(txq->tx_bounce[index], data, size); in fec_enet_txq_put_data_tso()
742 data = txq->tx_bounce[index]; in fec_enet_txq_put_data_tso()
744 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_put_data_tso()
748 addr = dma_map_single(&fep->pdev->dev, data, size, DMA_TO_DEVICE); in fec_enet_txq_put_data_tso()
749 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_put_data_tso()
756 bdp->cbd_datlen = cpu_to_fec16(size); in fec_enet_txq_put_data_tso()
757 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_put_data_tso()
759 if (fep->bufdesc_ex) { in fec_enet_txq_put_data_tso()
760 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_put_data_tso()
761 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_put_data_tso()
762 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_put_data_tso()
764 ebdp->cbd_bdu = 0; in fec_enet_txq_put_data_tso()
765 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_put_data_tso()
773 if (fep->bufdesc_ex) in fec_enet_txq_put_data_tso()
774 ebdp->cbd_esc |= cpu_to_fec32(BD_ENET_TX_INT); in fec_enet_txq_put_data_tso()
777 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_put_data_tso()
795 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_put_hdr_tso()
799 bufaddr = txq->tso_hdrs + index * TSO_HEADER_SIZE; in fec_enet_txq_put_hdr_tso()
800 dmabuf = txq->tso_hdrs_dma + index * TSO_HEADER_SIZE; in fec_enet_txq_put_hdr_tso()
801 if (((unsigned long)bufaddr) & fep->tx_align || in fec_enet_txq_put_hdr_tso()
802 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_put_hdr_tso()
803 memcpy(txq->tx_bounce[index], skb->data, hdr_len); in fec_enet_txq_put_hdr_tso()
804 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_put_hdr_tso()
806 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_put_hdr_tso()
809 dmabuf = dma_map_single(&fep->pdev->dev, bufaddr, in fec_enet_txq_put_hdr_tso()
811 if (dma_mapping_error(&fep->pdev->dev, dmabuf)) { in fec_enet_txq_put_hdr_tso()
819 bdp->cbd_bufaddr = cpu_to_fec32(dmabuf); in fec_enet_txq_put_hdr_tso()
820 bdp->cbd_datlen = cpu_to_fec16(hdr_len); in fec_enet_txq_put_hdr_tso()
822 if (fep->bufdesc_ex) { in fec_enet_txq_put_hdr_tso()
823 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_put_hdr_tso()
824 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_put_hdr_tso()
825 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_put_hdr_tso()
827 ebdp->cbd_bdu = 0; in fec_enet_txq_put_hdr_tso()
828 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_put_hdr_tso()
831 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_put_hdr_tso()
842 struct bufdesc *bdp = txq->bd.cur; in fec_enet_txq_submit_tso()
856 /* Protocol checksum off-load for TCP and UDP. */ in fec_enet_txq_submit_tso()
865 total_len = skb->len - hdr_len; in fec_enet_txq_submit_tso()
869 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_tso()
870 data_left = min_t(int, skb_shinfo(skb)->gso_size, total_len); in fec_enet_txq_submit_tso()
871 total_len -= data_left; in fec_enet_txq_submit_tso()
874 hdr = txq->tso_hdrs + index * TSO_HEADER_SIZE; in fec_enet_txq_submit_tso()
884 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_tso()
885 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_tso()
894 data_left -= size; in fec_enet_txq_submit_tso()
898 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_tso()
902 txq->tx_buf[index].buf_p = skb; in fec_enet_txq_submit_tso()
905 txq->bd.cur = bdp; in fec_enet_txq_submit_tso()
908 if (!(fep->quirks & FEC_QUIRK_ERR007885) || in fec_enet_txq_submit_tso()
909 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
910 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
911 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
912 !readl(txq->bd.reg_desc_active)) in fec_enet_txq_submit_tso()
913 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_submit_tso()
919 tmp_bdp = txq->bd.cur; in fec_enet_txq_submit_tso()
923 if (tmp_bdp->cbd_bufaddr && in fec_enet_txq_submit_tso()
924 !IS_TSO_HEADER(txq, fec32_to_cpu(tmp_bdp->cbd_bufaddr))) in fec_enet_txq_submit_tso()
925 dma_unmap_single(&fep->pdev->dev, in fec_enet_txq_submit_tso()
926 fec32_to_cpu(tmp_bdp->cbd_bufaddr), in fec_enet_txq_submit_tso()
927 fec16_to_cpu(tmp_bdp->cbd_datlen), in fec_enet_txq_submit_tso()
931 tmp_bdp->cbd_sc = 0; in fec_enet_txq_submit_tso()
932 tmp_bdp->cbd_datlen = 0; in fec_enet_txq_submit_tso()
933 tmp_bdp->cbd_bufaddr = 0; in fec_enet_txq_submit_tso()
936 if (fep->bufdesc_ex) { in fec_enet_txq_submit_tso()
938 ebdp->cbd_esc = 0; in fec_enet_txq_submit_tso()
941 tmp_bdp = fec_enet_get_nextdesc(tmp_bdp, &txq->bd); in fec_enet_txq_submit_tso()
960 txq = fep->tx_queue[queue]; in fec_enet_start_xmit()
971 if (entries_free <= txq->tx_stop_threshold) in fec_enet_start_xmit()
988 for (q = 0; q < fep->num_rx_queues; q++) { in fec_enet_bd_init()
990 rxq = fep->rx_queue[q]; in fec_enet_bd_init()
991 bdp = rxq->bd.base; in fec_enet_bd_init()
993 for (i = 0; i < rxq->bd.ring_size; i++) { in fec_enet_bd_init()
996 if (bdp->cbd_bufaddr) in fec_enet_bd_init()
997 bdp->cbd_sc = cpu_to_fec16(BD_ENET_RX_EMPTY); in fec_enet_bd_init()
999 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_bd_init()
1000 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_bd_init()
1004 bdp = fec_enet_get_prevdesc(bdp, &rxq->bd); in fec_enet_bd_init()
1005 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_bd_init()
1007 rxq->bd.cur = rxq->bd.base; in fec_enet_bd_init()
1010 for (q = 0; q < fep->num_tx_queues; q++) { in fec_enet_bd_init()
1012 txq = fep->tx_queue[q]; in fec_enet_bd_init()
1013 bdp = txq->bd.base; in fec_enet_bd_init()
1014 txq->bd.cur = bdp; in fec_enet_bd_init()
1016 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_bd_init()
1018 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_bd_init()
1019 if (txq->tx_buf[i].type == FEC_TXBUF_T_SKB) { in fec_enet_bd_init()
1020 if (bdp->cbd_bufaddr && in fec_enet_bd_init()
1021 !IS_TSO_HEADER(txq, fec32_to_cpu(bdp->cbd_bufaddr))) in fec_enet_bd_init()
1022 dma_unmap_single(&fep->pdev->dev, in fec_enet_bd_init()
1023 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_bd_init()
1024 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_bd_init()
1026 if (txq->tx_buf[i].buf_p) in fec_enet_bd_init()
1027 dev_kfree_skb_any(txq->tx_buf[i].buf_p); in fec_enet_bd_init()
1028 } else if (txq->tx_buf[i].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_bd_init()
1029 if (bdp->cbd_bufaddr) in fec_enet_bd_init()
1030 dma_unmap_single(&fep->pdev->dev, in fec_enet_bd_init()
1031 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_bd_init()
1032 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_bd_init()
1035 if (txq->tx_buf[i].buf_p) in fec_enet_bd_init()
1036 xdp_return_frame(txq->tx_buf[i].buf_p); in fec_enet_bd_init()
1038 struct page *page = txq->tx_buf[i].buf_p; in fec_enet_bd_init()
1041 page_pool_put_page(page->pp, page, 0, false); in fec_enet_bd_init()
1044 txq->tx_buf[i].buf_p = NULL; in fec_enet_bd_init()
1046 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_bd_init()
1047 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_bd_init()
1048 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_bd_init()
1052 bdp = fec_enet_get_prevdesc(bdp, &txq->bd); in fec_enet_bd_init()
1053 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_bd_init()
1054 txq->dirty_tx = bdp; in fec_enet_bd_init()
1063 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_active_rxring()
1064 writel(0, fep->rx_queue[i]->bd.reg_desc_active); in fec_enet_active_rxring()
1074 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_enable_ring()
1075 rxq = fep->rx_queue[i]; in fec_enet_enable_ring()
1076 writel(rxq->bd.dma, fep->hwp + FEC_R_DES_START(i)); in fec_enet_enable_ring()
1077 writel(PKT_MAXBUF_SIZE, fep->hwp + FEC_R_BUFF_SIZE(i)); in fec_enet_enable_ring()
1082 fep->hwp + FEC_RCMR(i)); in fec_enet_enable_ring()
1085 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_enable_ring()
1086 txq = fep->tx_queue[i]; in fec_enet_enable_ring()
1087 writel(txq->bd.dma, fep->hwp + FEC_X_DES_START(i)); in fec_enet_enable_ring()
1092 fep->hwp + FEC_DMA_CFG(i)); in fec_enet_enable_ring()
1109 if (fep->bufdesc_ex) in fec_restart()
1116 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES || in fec_restart()
1117 ((fep->quirks & FEC_QUIRK_NO_HARD_RESET) && fep->link)) { in fec_restart()
1118 writel(0, fep->hwp + FEC_ECNTRL); in fec_restart()
1120 writel(1, fep->hwp + FEC_ECNTRL); in fec_restart()
1125 * enet-mac reset will reset mac address registers too, in fec_restart()
1128 memcpy(&temp_mac, ndev->dev_addr, ETH_ALEN); in fec_restart()
1130 fep->hwp + FEC_ADDR_LOW); in fec_restart()
1132 fep->hwp + FEC_ADDR_HIGH); in fec_restart()
1135 writel((0xffffffff & ~FEC_ENET_MII), fep->hwp + FEC_IEVENT); in fec_restart()
1142 if (fep->full_duplex == DUPLEX_FULL) { in fec_restart()
1144 writel(0x04, fep->hwp + FEC_X_CNTRL); in fec_restart()
1148 writel(0x0, fep->hwp + FEC_X_CNTRL); in fec_restart()
1152 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_restart()
1155 if (fep->quirks & FEC_QUIRK_HAS_RACC) { in fec_restart()
1156 u32 val = readl(fep->hwp + FEC_RACC); in fec_restart()
1160 if (fep->csum_flags & FLAG_RX_CSUM_ENABLED) in fec_restart()
1165 writel(val, fep->hwp + FEC_RACC); in fec_restart()
1166 writel(PKT_MAXBUF_SIZE, fep->hwp + FEC_FTRL); in fec_restart()
1172 * differently on enet-mac. in fec_restart()
1174 if (fep->quirks & FEC_QUIRK_ENET_MAC) { in fec_restart()
1179 if (fep->phy_interface == PHY_INTERFACE_MODE_RGMII || in fec_restart()
1180 fep->phy_interface == PHY_INTERFACE_MODE_RGMII_ID || in fec_restart()
1181 fep->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID || in fec_restart()
1182 fep->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) in fec_restart()
1184 else if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) in fec_restart()
1190 if (ndev->phydev) { in fec_restart()
1191 if (ndev->phydev->speed == SPEED_1000) in fec_restart()
1193 else if (ndev->phydev->speed == SPEED_100) in fec_restart()
1200 if (fep->quirks & FEC_QUIRK_USE_GASKET) { in fec_restart()
1203 writel(0, fep->hwp + FEC_MIIGSK_ENR); in fec_restart()
1204 while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4) in fec_restart()
1212 cfgr = (fep->phy_interface == PHY_INTERFACE_MODE_RMII) in fec_restart()
1214 if (ndev->phydev && ndev->phydev->speed == SPEED_10) in fec_restart()
1216 writel(cfgr, fep->hwp + FEC_MIIGSK_CFGR); in fec_restart()
1218 /* re-enable the gasket */ in fec_restart()
1219 writel(2, fep->hwp + FEC_MIIGSK_ENR); in fec_restart()
1226 if ((fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) || in fec_restart()
1227 ((fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) && in fec_restart()
1228 ndev->phydev && ndev->phydev->pause)) { in fec_restart()
1232 writel(FEC_ENET_RSEM_V, fep->hwp + FEC_R_FIFO_RSEM); in fec_restart()
1233 writel(FEC_ENET_RSFL_V, fep->hwp + FEC_R_FIFO_RSFL); in fec_restart()
1234 writel(FEC_ENET_RAEM_V, fep->hwp + FEC_R_FIFO_RAEM); in fec_restart()
1235 writel(FEC_ENET_RAFL_V, fep->hwp + FEC_R_FIFO_RAFL); in fec_restart()
1238 writel(FEC_ENET_OPD_V, fep->hwp + FEC_OPD); in fec_restart()
1244 writel(rcntl, fep->hwp + FEC_R_CNTRL); in fec_restart()
1249 writel(0, fep->hwp + FEC_HASH_TABLE_HIGH); in fec_restart()
1250 writel(0, fep->hwp + FEC_HASH_TABLE_LOW); in fec_restart()
1253 if (fep->quirks & FEC_QUIRK_ENET_MAC) { in fec_restart()
1257 writel(FEC_TXWMRK_STRFWD, fep->hwp + FEC_X_WMRK); in fec_restart()
1260 if (fep->bufdesc_ex) in fec_restart()
1263 if (fep->quirks & FEC_QUIRK_DELAYED_CLKS_SUPPORT && in fec_restart()
1264 fep->rgmii_txc_dly) in fec_restart()
1266 if (fep->quirks & FEC_QUIRK_DELAYED_CLKS_SUPPORT && in fec_restart()
1267 fep->rgmii_rxc_dly) in fec_restart()
1272 writel(0 << 31, fep->hwp + FEC_MIB_CTRLSTAT); in fec_restart()
1276 writel(ecntl, fep->hwp + FEC_ECNTRL); in fec_restart()
1279 if (fep->bufdesc_ex) { in fec_restart()
1285 if (fep->link) in fec_restart()
1286 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_restart()
1288 writel(0, fep->hwp + FEC_IMASK); in fec_restart()
1291 if (fep->quirks & FEC_QUIRK_HAS_COALESCE) in fec_restart()
1302 return imx_scu_get_handle(&fep->ipc_handle); in fec_enet_ipc_handle_init()
1307 struct device_node *np = fep->pdev->dev.of_node; in fec_enet_ipg_stop_set()
1311 if (!np || !fep->ipc_handle) in fec_enet_ipg_stop_set()
1320 imx_sc_misc_set_control(fep->ipc_handle, rsrc_id, IMX_SC_C_IPG_STOP, val); in fec_enet_ipg_stop_set()
1325 struct fec_platform_data *pdata = fep->pdev->dev.platform_data; in fec_enet_stop_mode()
1326 struct fec_stop_mode_gpr *stop_gpr = &fep->stop_gpr; in fec_enet_stop_mode()
1328 if (stop_gpr->gpr) { in fec_enet_stop_mode()
1330 regmap_update_bits(stop_gpr->gpr, stop_gpr->reg, in fec_enet_stop_mode()
1331 BIT(stop_gpr->bit), in fec_enet_stop_mode()
1332 BIT(stop_gpr->bit)); in fec_enet_stop_mode()
1334 regmap_update_bits(stop_gpr->gpr, stop_gpr->reg, in fec_enet_stop_mode()
1335 BIT(stop_gpr->bit), 0); in fec_enet_stop_mode()
1336 } else if (pdata && pdata->sleep_mode_enable) { in fec_enet_stop_mode()
1337 pdata->sleep_mode_enable(enabled); in fec_enet_stop_mode()
1347 writel(0, fep->hwp + FEC_IMASK); in fec_irqs_disable()
1354 writel(0, fep->hwp + FEC_IMASK); in fec_irqs_disable_except_wakeup()
1355 writel(FEC_ENET_WAKEUP, fep->hwp + FEC_IMASK); in fec_irqs_disable_except_wakeup()
1362 u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & FEC_RCR_RMII; in fec_stop()
1366 if (fep->link) { in fec_stop()
1367 writel(1, fep->hwp + FEC_X_CNTRL); /* Graceful transmit stop */ in fec_stop()
1369 if (!(readl(fep->hwp + FEC_IEVENT) & FEC_ENET_GRA)) in fec_stop()
1373 if (fep->bufdesc_ex) in fec_stop()
1380 if (!(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { in fec_stop()
1381 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { in fec_stop()
1382 writel(0, fep->hwp + FEC_ECNTRL); in fec_stop()
1384 writel(FEC_ECR_RESET, fep->hwp + FEC_ECNTRL); in fec_stop()
1388 val = readl(fep->hwp + FEC_ECNTRL); in fec_stop()
1390 writel(val, fep->hwp + FEC_ECNTRL); in fec_stop()
1392 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_stop()
1393 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_stop()
1396 if (fep->quirks & FEC_QUIRK_ENET_MAC && in fec_stop()
1397 !(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { in fec_stop()
1398 writel(FEC_ECR_ETHEREN, fep->hwp + FEC_ECNTRL); in fec_stop()
1399 writel(rmii_mode, fep->hwp + FEC_R_CNTRL); in fec_stop()
1402 if (fep->bufdesc_ex) { in fec_stop()
1403 val = readl(fep->hwp + FEC_ECNTRL); in fec_stop()
1405 writel(val, fep->hwp + FEC_ECNTRL); in fec_stop()
1419 ndev->stats.tx_errors++; in fec_timeout()
1421 schedule_work(&fep->tx_timeout_work); in fec_timeout()
1428 struct net_device *ndev = fep->netdev; in fec_enet_timeout_work()
1432 napi_disable(&fep->napi); in fec_enet_timeout_work()
1437 napi_enable(&fep->napi); in fec_enet_timeout_work()
1449 spin_lock_irqsave(&fep->tmreg_lock, flags); in fec_enet_hwtstamp()
1450 ns = timecounter_cyc2time(&fep->tc, ts); in fec_enet_hwtstamp()
1451 spin_unlock_irqrestore(&fep->tmreg_lock, flags); in fec_enet_hwtstamp()
1454 hwtstamps->hwtstamp = ns_to_ktime(ns); in fec_enet_hwtstamp()
1474 txq = fep->tx_queue[queue_id]; in fec_enet_tx_queue()
1477 bdp = txq->dirty_tx; in fec_enet_tx_queue()
1480 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_tx_queue()
1482 while (bdp != READ_ONCE(txq->bd.cur)) { in fec_enet_tx_queue()
1485 status = fec16_to_cpu(READ_ONCE(bdp->cbd_sc)); in fec_enet_tx_queue()
1489 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_tx_queue()
1491 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) { in fec_enet_tx_queue()
1492 skb = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1493 if (bdp->cbd_bufaddr && in fec_enet_tx_queue()
1494 !IS_TSO_HEADER(txq, fec32_to_cpu(bdp->cbd_bufaddr))) in fec_enet_tx_queue()
1495 dma_unmap_single(&fep->pdev->dev, in fec_enet_tx_queue()
1496 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_tx_queue()
1497 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_tx_queue()
1499 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_tx_queue()
1511 if (txq->tx_buf[index].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_tx_queue()
1512 xdpf = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1513 if (bdp->cbd_bufaddr) in fec_enet_tx_queue()
1514 dma_unmap_single(&fep->pdev->dev, in fec_enet_tx_queue()
1515 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_tx_queue()
1516 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_tx_queue()
1519 page = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1522 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_tx_queue()
1523 if (unlikely(!txq->tx_buf[index].buf_p)) { in fec_enet_tx_queue()
1524 txq->tx_buf[index].type = FEC_TXBUF_T_SKB; in fec_enet_tx_queue()
1528 frame_len = fec16_to_cpu(bdp->cbd_datlen); in fec_enet_tx_queue()
1535 ndev->stats.tx_errors++; in fec_enet_tx_queue()
1537 ndev->stats.tx_heartbeat_errors++; in fec_enet_tx_queue()
1539 ndev->stats.tx_window_errors++; in fec_enet_tx_queue()
1541 ndev->stats.tx_aborted_errors++; in fec_enet_tx_queue()
1543 ndev->stats.tx_fifo_errors++; in fec_enet_tx_queue()
1545 ndev->stats.tx_carrier_errors++; in fec_enet_tx_queue()
1547 ndev->stats.tx_packets++; in fec_enet_tx_queue()
1549 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) in fec_enet_tx_queue()
1550 ndev->stats.tx_bytes += skb->len; in fec_enet_tx_queue()
1552 ndev->stats.tx_bytes += frame_len; in fec_enet_tx_queue()
1559 ndev->stats.collisions++; in fec_enet_tx_queue()
1561 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) { in fec_enet_tx_queue()
1566 if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS && in fec_enet_tx_queue()
1567 fep->hwts_tx_en) && fep->bufdesc_ex) { in fec_enet_tx_queue()
1571 fec_enet_hwtstamp(fep, fec32_to_cpu(ebdp->ts), &shhwtstamps); in fec_enet_tx_queue()
1577 } else if (txq->tx_buf[index].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_tx_queue()
1581 page_pool_put_page(page->pp, page, 0, true); in fec_enet_tx_queue()
1584 txq->tx_buf[index].buf_p = NULL; in fec_enet_tx_queue()
1586 txq->tx_buf[index].type = FEC_TXBUF_T_SKB; in fec_enet_tx_queue()
1593 txq->dirty_tx = bdp; in fec_enet_tx_queue()
1596 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_tx_queue()
1602 if (entries_free >= txq->tx_wake_threshold) in fec_enet_tx_queue()
1608 if (bdp != txq->bd.cur && in fec_enet_tx_queue()
1609 readl(txq->bd.reg_desc_active) == 0) in fec_enet_tx_queue()
1610 writel(0, txq->bd.reg_desc_active); in fec_enet_tx_queue()
1619 for (i = fep->num_tx_queues - 1; i >= 0; i--) in fec_enet_tx()
1629 new_page = page_pool_dev_alloc_pages(rxq->page_pool); in fec_enet_update_cbd()
1631 return -ENOMEM; in fec_enet_update_cbd()
1633 rxq->rx_skb_info[index].page = new_page; in fec_enet_update_cbd()
1634 rxq->rx_skb_info[index].offset = FEC_ENET_XDP_HEADROOM; in fec_enet_update_cbd()
1636 bdp->cbd_bufaddr = cpu_to_fec32(phys_addr); in fec_enet_update_cbd()
1642 fec_enet_run_xdp(struct fec_enet_private *fep, struct bpf_prog *prog, in fec_enet_run_xdp() argument
1645 unsigned int sync, len = xdp->data_end - xdp->data; in fec_enet_run_xdp()
1651 act = bpf_prog_run_xdp(prog, xdp); in fec_enet_run_xdp()
1656 sync = xdp->data_end - xdp->data; in fec_enet_run_xdp()
1661 rxq->stats[RX_XDP_PASS]++; in fec_enet_run_xdp()
1666 rxq->stats[RX_XDP_REDIRECT]++; in fec_enet_run_xdp()
1667 err = xdp_do_redirect(fep->netdev, xdp, prog); in fec_enet_run_xdp()
1675 rxq->stats[RX_XDP_TX]++; in fec_enet_run_xdp()
1678 rxq->stats[RX_XDP_TX_ERRORS]++; in fec_enet_run_xdp()
1686 bpf_warn_invalid_xdp_action(fep->netdev, prog, act); in fec_enet_run_xdp()
1693 rxq->stats[RX_XDP_DROP]++; in fec_enet_run_xdp()
1696 page = virt_to_head_page(xdp->data); in fec_enet_run_xdp()
1697 page_pool_put_page(rxq->page_pool, page, sync, true); in fec_enet_run_xdp()
1699 trace_xdp_exception(fep->netdev, prog, act); in fec_enet_run_xdp()
1726 bool need_swap = fep->quirks & FEC_QUIRK_SWAP_FRAME; in fec_enet_rx_queue()
1727 struct bpf_prog *xdp_prog = READ_ONCE(fep->xdp_prog); in fec_enet_rx_queue()
1740 if (fep->quirks & FEC_QUIRK_HAS_RACC) { in fec_enet_rx_queue()
1753 rxq = fep->rx_queue[queue_id]; in fec_enet_rx_queue()
1758 bdp = rxq->bd.cur; in fec_enet_rx_queue()
1759 xdp_init_buff(&xdp, PAGE_SIZE, &rxq->xdp_rxq); in fec_enet_rx_queue()
1761 while (!((status = fec16_to_cpu(bdp->cbd_sc)) & BD_ENET_RX_EMPTY)) { in fec_enet_rx_queue()
1767 writel(FEC_ENET_RXF_GET(queue_id), fep->hwp + FEC_IEVENT); in fec_enet_rx_queue()
1774 ndev->stats.rx_errors++; in fec_enet_rx_queue()
1777 ndev->stats.rx_fifo_errors++; in fec_enet_rx_queue()
1783 ndev->stats.rx_length_errors++; in fec_enet_rx_queue()
1788 ndev->stats.rx_crc_errors++; in fec_enet_rx_queue()
1791 ndev->stats.rx_frame_errors++; in fec_enet_rx_queue()
1796 ndev->stats.rx_packets++; in fec_enet_rx_queue()
1797 pkt_len = fec16_to_cpu(bdp->cbd_datlen); in fec_enet_rx_queue()
1798 ndev->stats.rx_bytes += pkt_len; in fec_enet_rx_queue()
1800 index = fec_enet_get_bd_index(bdp, &rxq->bd); in fec_enet_rx_queue()
1801 page = rxq->rx_skb_info[index].page; in fec_enet_rx_queue()
1802 cbd_bufaddr = bdp->cbd_bufaddr; in fec_enet_rx_queue()
1804 ndev->stats.rx_dropped++; in fec_enet_rx_queue()
1808 dma_sync_single_for_cpu(&fep->pdev->dev, in fec_enet_rx_queue()
1818 data_start, pkt_len - sub_len, false); in fec_enet_rx_queue()
1831 page_pool_recycle_direct(rxq->page_pool, page); in fec_enet_rx_queue()
1832 ndev->stats.rx_dropped++; in fec_enet_rx_queue()
1839 skb_put(skb, pkt_len - sub_len); in fec_enet_rx_queue()
1846 data = skb->data; in fec_enet_rx_queue()
1850 if (fep->bufdesc_ex) in fec_enet_rx_queue()
1855 if ((ndev->features & NETIF_F_HW_VLAN_CTAG_RX) && in fec_enet_rx_queue()
1856 fep->bufdesc_ex && in fec_enet_rx_queue()
1857 (ebdp->cbd_esc & cpu_to_fec32(BD_ENET_RX_VLAN))) { in fec_enet_rx_queue()
1861 vlan_tag = ntohs(vlan_header->h_vlan_TCI); in fec_enet_rx_queue()
1865 memmove(skb->data + VLAN_HLEN, data, ETH_ALEN * 2); in fec_enet_rx_queue()
1869 skb->protocol = eth_type_trans(skb, ndev); in fec_enet_rx_queue()
1872 if (fep->hwts_rx_en && fep->bufdesc_ex) in fec_enet_rx_queue()
1873 fec_enet_hwtstamp(fep, fec32_to_cpu(ebdp->ts), in fec_enet_rx_queue()
1876 if (fep->bufdesc_ex && in fec_enet_rx_queue()
1877 (fep->csum_flags & FLAG_RX_CSUM_ENABLED)) { in fec_enet_rx_queue()
1878 if (!(ebdp->cbd_esc & cpu_to_fec32(FLAG_RX_CSUM_ERROR))) { in fec_enet_rx_queue()
1880 skb->ip_summed = CHECKSUM_UNNECESSARY; in fec_enet_rx_queue()
1893 napi_gro_receive(&fep->napi, skb); in fec_enet_rx_queue()
1902 if (fep->bufdesc_ex) { in fec_enet_rx_queue()
1905 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_RX_INT); in fec_enet_rx_queue()
1906 ebdp->cbd_prot = 0; in fec_enet_rx_queue()
1907 ebdp->cbd_bdu = 0; in fec_enet_rx_queue()
1913 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_rx_queue()
1916 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_rx_queue()
1922 writel(0, rxq->bd.reg_desc_active); in fec_enet_rx_queue()
1924 rxq->bd.cur = bdp; in fec_enet_rx_queue()
1938 for (i = fep->num_rx_queues - 1; i >= 0; i--) in fec_enet_rx()
1939 done += fec_enet_rx_queue(ndev, budget - done, i); in fec_enet_rx()
1948 int_events = readl(fep->hwp + FEC_IEVENT); in fec_enet_collect_events()
1953 writel(int_events, fep->hwp + FEC_IEVENT); in fec_enet_collect_events()
1965 if (fec_enet_collect_events(fep) && fep->link) { in fec_enet_interrupt()
1968 if (napi_schedule_prep(&fep->napi)) { in fec_enet_interrupt()
1970 writel(0, fep->hwp + FEC_IMASK); in fec_enet_interrupt()
1971 __napi_schedule(&fep->napi); in fec_enet_interrupt()
1980 struct net_device *ndev = napi->dev; in fec_enet_rx_napi()
1985 done += fec_enet_rx(ndev, budget - done); in fec_enet_rx_napi()
1991 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_enet_rx_napi()
1997 /* ------------------------------------------------------------------------- */
2016 struct device_node *np = fep->pdev->dev.of_node; in fec_get_mac()
2021 else if (ret == -EPROBE_DEFER) in fec_get_mac()
2034 struct fec_platform_data *pdata = dev_get_platdata(&fep->pdev->dev); in fec_get_mac()
2037 iap = (unsigned char *)&pdata->mac; in fec_get_mac()
2046 cpu_to_be32(readl(fep->hwp + FEC_ADDR_LOW)); in fec_get_mac()
2048 cpu_to_be16(readl(fep->hwp + FEC_ADDR_HIGH) >> 16); in fec_get_mac()
2057 dev_err(&fep->pdev->dev, "Invalid MAC address: %pM\n", iap); in fec_get_mac()
2059 dev_info(&fep->pdev->dev, "Using random MAC address: %pM\n", in fec_get_mac()
2060 ndev->dev_addr); in fec_get_mac()
2065 eth_hw_addr_gen(ndev, iap, iap == macaddr ? fep->dev_id : 0); in fec_get_mac()
2070 /* ------------------------------------------------------------------------- */
2083 return us * (fep->clk_ref_rate / 1000) / 1000; in fec_enet_us_to_tx_cycle()
2100 writel(sleep_cycle, fep->hwp + FEC_LPI_SLEEP); in fec_enet_eee_mode_set()
2101 writel(wake_cycle, fep->hwp + FEC_LPI_WAKE); in fec_enet_eee_mode_set()
2109 struct phy_device *phy_dev = ndev->phydev; in fec_enet_adjust_link()
2118 fep->link = 0; in fec_enet_adjust_link()
2119 } else if (phy_dev->link) { in fec_enet_adjust_link()
2120 if (!fep->link) { in fec_enet_adjust_link()
2121 fep->link = phy_dev->link; in fec_enet_adjust_link()
2125 if (fep->full_duplex != phy_dev->duplex) { in fec_enet_adjust_link()
2126 fep->full_duplex = phy_dev->duplex; in fec_enet_adjust_link()
2130 if (phy_dev->speed != fep->speed) { in fec_enet_adjust_link()
2131 fep->speed = phy_dev->speed; in fec_enet_adjust_link()
2138 napi_disable(&fep->napi); in fec_enet_adjust_link()
2143 napi_enable(&fep->napi); in fec_enet_adjust_link()
2145 if (fep->quirks & FEC_QUIRK_HAS_EEE) in fec_enet_adjust_link()
2147 phy_dev->eee_cfg.tx_lpi_timer, in fec_enet_adjust_link()
2148 phy_dev->enable_tx_lpi); in fec_enet_adjust_link()
2150 if (fep->link) { in fec_enet_adjust_link()
2152 napi_disable(&fep->napi); in fec_enet_adjust_link()
2156 napi_enable(&fep->napi); in fec_enet_adjust_link()
2157 fep->link = phy_dev->link; in fec_enet_adjust_link()
2171 ret = readl_poll_timeout_atomic(fep->hwp + FEC_IEVENT, ievent, in fec_enet_mdio_wait()
2175 writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT); in fec_enet_mdio_wait()
2182 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_read_c22()
2183 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_read_c22()
2198 FEC_MMFR_TA, fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c22()
2203 netdev_err(fep->netdev, "MDIO read timeout\n"); in fec_enet_mdio_read_c22()
2207 ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); in fec_enet_mdio_read_c22()
2219 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_read_c45()
2220 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_read_c45()
2233 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c45()
2238 netdev_err(fep->netdev, "MDIO address write timeout\n"); in fec_enet_mdio_read_c45()
2247 FEC_MMFR_TA, fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c45()
2252 netdev_err(fep->netdev, "MDIO read timeout\n"); in fec_enet_mdio_read_c45()
2256 ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); in fec_enet_mdio_read_c45()
2268 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_write_c22()
2269 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_write_c22()
2284 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c22()
2289 netdev_err(fep->netdev, "MDIO write timeout\n"); in fec_enet_mdio_write_c22()
2300 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_write_c45()
2301 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_write_c45()
2314 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c45()
2319 netdev_err(fep->netdev, "MDIO address write timeout\n"); in fec_enet_mdio_write_c45()
2327 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c45()
2332 netdev_err(fep->netdev, "MDIO write timeout\n"); in fec_enet_mdio_write_c45()
2344 struct phy_device *phy_dev = ndev->phydev; in fec_enet_phy_reset_after_clk_enable()
2348 } else if (fep->phy_node) { in fec_enet_phy_reset_after_clk_enable()
2356 phy_dev = of_phy_find_device(fep->phy_node); in fec_enet_phy_reset_after_clk_enable()
2358 put_device(&phy_dev->mdio.dev); in fec_enet_phy_reset_after_clk_enable()
2368 ret = clk_prepare_enable(fep->clk_enet_out); in fec_enet_clk_enable()
2372 if (fep->clk_ptp) { in fec_enet_clk_enable()
2373 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2374 ret = clk_prepare_enable(fep->clk_ptp); in fec_enet_clk_enable()
2376 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2379 fep->ptp_clk_on = true; in fec_enet_clk_enable()
2381 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2384 ret = clk_prepare_enable(fep->clk_ref); in fec_enet_clk_enable()
2388 ret = clk_prepare_enable(fep->clk_2x_txclk); in fec_enet_clk_enable()
2394 clk_disable_unprepare(fep->clk_enet_out); in fec_enet_clk_enable()
2395 if (fep->clk_ptp) { in fec_enet_clk_enable()
2396 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2397 clk_disable_unprepare(fep->clk_ptp); in fec_enet_clk_enable()
2398 fep->ptp_clk_on = false; in fec_enet_clk_enable()
2399 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2401 clk_disable_unprepare(fep->clk_ref); in fec_enet_clk_enable()
2402 clk_disable_unprepare(fep->clk_2x_txclk); in fec_enet_clk_enable()
2408 if (fep->clk_ref) in fec_enet_clk_enable()
2409 clk_disable_unprepare(fep->clk_ref); in fec_enet_clk_enable()
2411 if (fep->clk_ptp) { in fec_enet_clk_enable()
2412 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2413 clk_disable_unprepare(fep->clk_ptp); in fec_enet_clk_enable()
2414 fep->ptp_clk_on = false; in fec_enet_clk_enable()
2415 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2418 clk_disable_unprepare(fep->clk_enet_out); in fec_enet_clk_enable()
2429 if (!of_property_read_u32(np, "tx-internal-delay-ps", &rgmii_tx_delay)) { in fec_enet_parse_rgmii_delay()
2431 dev_err(&fep->pdev->dev, "The only allowed RGMII TX delay values are: 0ps, 2000ps"); in fec_enet_parse_rgmii_delay()
2432 return -EINVAL; in fec_enet_parse_rgmii_delay()
2434 fep->rgmii_txc_dly = true; in fec_enet_parse_rgmii_delay()
2439 if (!of_property_read_u32(np, "rx-internal-delay-ps", &rgmii_rx_delay)) { in fec_enet_parse_rgmii_delay()
2441 dev_err(&fep->pdev->dev, "The only allowed RGMII RX delay values are: 0ps, 2000ps"); in fec_enet_parse_rgmii_delay()
2442 return -EINVAL; in fec_enet_parse_rgmii_delay()
2444 fep->rgmii_rxc_dly = true; in fec_enet_parse_rgmii_delay()
2458 int dev_id = fep->dev_id; in fec_enet_mii_probe()
2460 if (fep->phy_node) { in fec_enet_mii_probe()
2461 phy_dev = of_phy_connect(ndev, fep->phy_node, in fec_enet_mii_probe()
2463 fep->phy_interface); in fec_enet_mii_probe()
2466 return -ENODEV; in fec_enet_mii_probe()
2471 if (!mdiobus_is_registered_device(fep->mii_bus, phy_id)) in fec_enet_mii_probe()
2473 if (dev_id--) in fec_enet_mii_probe()
2475 strscpy(mdio_bus_id, fep->mii_bus->id, MII_BUS_ID_SIZE); in fec_enet_mii_probe()
2481 strscpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); in fec_enet_mii_probe()
2488 fep->phy_interface); in fec_enet_mii_probe()
2497 if (fep->quirks & FEC_QUIRK_HAS_GBIT) { in fec_enet_mii_probe()
2508 if (fep->quirks & FEC_QUIRK_HAS_EEE) in fec_enet_mii_probe()
2511 fep->link = 0; in fec_enet_mii_probe()
2512 fep->full_duplex = 0; in fec_enet_mii_probe()
2527 int err = -ENXIO; in fec_enet_mii_init()
2536 * - fec0 supports MII & RMII modes while fec1 only supports RMII in fec_enet_mii_init()
2537 * - fec0 acts as the 1588 time master while fec1 is slave in fec_enet_mii_init()
2538 * - external phys can only be configured by fec0 in fec_enet_mii_init()
2548 if ((fep->quirks & FEC_QUIRK_SINGLE_MDIO) && fep->dev_id > 0) { in fec_enet_mii_init()
2551 fep->mii_bus = fec0_mii_bus; in fec_enet_mii_init()
2555 return -ENOENT; in fec_enet_mii_init()
2559 node = of_get_child_by_name(pdev->dev.of_node, "mdio"); in fec_enet_mii_init()
2561 of_property_read_u32(node, "clock-frequency", &bus_freq); in fec_enet_mii_init()
2563 "suppress-preamble"); in fec_enet_mii_init()
2570 * for ENET-MAC is 'ref_freq / ((MII_SPEED + 1) x 2)'. The i.MX28 in fec_enet_mii_init()
2574 mii_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), bus_freq * 2); in fec_enet_mii_init()
2575 if (fep->quirks & FEC_QUIRK_ENET_MAC) in fec_enet_mii_init()
2576 mii_speed--; in fec_enet_mii_init()
2578 dev_err(&pdev->dev, in fec_enet_mii_init()
2580 clk_get_rate(fep->clk_ipg)); in fec_enet_mii_init()
2581 err = -EINVAL; in fec_enet_mii_init()
2597 holdtime = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), 100000000) - 1; in fec_enet_mii_init()
2599 fep->phy_speed = mii_speed << 1 | holdtime << 8; in fec_enet_mii_init()
2602 fep->phy_speed |= BIT(7); in fec_enet_mii_init()
2604 if (fep->quirks & FEC_QUIRK_CLEAR_SETUP_MII) { in fec_enet_mii_init()
2607 * - writing MSCR: in fec_enet_mii_init()
2608 * - mmfr[31:0]_not_zero & mscr[7:0]_is_zero & in fec_enet_mii_init()
2610 * - writing MMFR: in fec_enet_mii_init()
2611 * - mscr[7:0]_not_zero in fec_enet_mii_init()
2613 writel(0, fep->hwp + FEC_MII_DATA); in fec_enet_mii_init()
2616 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_enet_mii_init()
2619 writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT); in fec_enet_mii_init()
2621 fep->mii_bus = mdiobus_alloc(); in fec_enet_mii_init()
2622 if (fep->mii_bus == NULL) { in fec_enet_mii_init()
2623 err = -ENOMEM; in fec_enet_mii_init()
2627 fep->mii_bus->name = "fec_enet_mii_bus"; in fec_enet_mii_init()
2628 fep->mii_bus->read = fec_enet_mdio_read_c22; in fec_enet_mii_init()
2629 fep->mii_bus->write = fec_enet_mdio_write_c22; in fec_enet_mii_init()
2630 if (fep->quirks & FEC_QUIRK_HAS_MDIO_C45) { in fec_enet_mii_init()
2631 fep->mii_bus->read_c45 = fec_enet_mdio_read_c45; in fec_enet_mii_init()
2632 fep->mii_bus->write_c45 = fec_enet_mdio_write_c45; in fec_enet_mii_init()
2634 snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", in fec_enet_mii_init()
2635 pdev->name, fep->dev_id + 1); in fec_enet_mii_init()
2636 fep->mii_bus->priv = fep; in fec_enet_mii_init()
2637 fep->mii_bus->parent = &pdev->dev; in fec_enet_mii_init()
2639 err = of_mdiobus_register(fep->mii_bus, node); in fec_enet_mii_init()
2646 phydev = mdiobus_get_phy(fep->mii_bus, addr); in fec_enet_mii_init()
2648 phydev->mac_managed_pm = true; in fec_enet_mii_init()
2654 if (fep->quirks & FEC_QUIRK_SINGLE_MDIO) in fec_enet_mii_init()
2655 fec0_mii_bus = fep->mii_bus; in fec_enet_mii_init()
2660 mdiobus_free(fep->mii_bus); in fec_enet_mii_init()
2668 if (--mii_cnt == 0) { in fec_enet_mii_remove()
2669 mdiobus_unregister(fep->mii_bus); in fec_enet_mii_remove()
2670 mdiobus_free(fep->mii_bus); in fec_enet_mii_remove()
2679 strscpy(info->driver, fep->pdev->dev.driver->name, in fec_enet_get_drvinfo()
2680 sizeof(info->driver)); in fec_enet_get_drvinfo()
2681 strscpy(info->bus_info, dev_name(&ndev->dev), sizeof(info->bus_info)); in fec_enet_get_drvinfo()
2690 r = platform_get_resource(fep->pdev, IORESOURCE_MEM, 0); in fec_enet_get_regs_len()
2775 u32 __iomem *theregs = (u32 __iomem *)fep->hwp; in fec_enet_get_regs()
2776 struct device *dev = &fep->pdev->dev; in fec_enet_get_regs()
2802 regs->version = fec_enet_register_version; in fec_enet_get_regs()
2804 memset(buf, 0, regs->len); in fec_enet_get_regs()
2810 !(fep->quirks & FEC_QUIRK_HAS_FRREG)) in fec_enet_get_regs()
2826 if (fep->bufdesc_ex) { in fec_enet_get_ts_info()
2828 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | in fec_enet_get_ts_info()
2832 if (fep->ptp_clock) in fec_enet_get_ts_info()
2833 info->phc_index = ptp_clock_index(fep->ptp_clock); in fec_enet_get_ts_info()
2835 info->tx_types = (1 << HWTSTAMP_TX_OFF) | in fec_enet_get_ts_info()
2838 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | in fec_enet_get_ts_info()
2853 pause->autoneg = (fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) != 0; in fec_enet_get_pauseparam()
2854 pause->tx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) != 0; in fec_enet_get_pauseparam()
2855 pause->rx_pause = pause->tx_pause; in fec_enet_get_pauseparam()
2863 if (!ndev->phydev) in fec_enet_set_pauseparam()
2864 return -ENODEV; in fec_enet_set_pauseparam()
2866 if (pause->tx_pause != pause->rx_pause) { in fec_enet_set_pauseparam()
2869 return -EINVAL; in fec_enet_set_pauseparam()
2872 fep->pause_flag = 0; in fec_enet_set_pauseparam()
2875 fep->pause_flag |= pause->rx_pause ? FEC_PAUSE_FLAG_ENABLE : 0; in fec_enet_set_pauseparam()
2876 fep->pause_flag |= pause->autoneg ? FEC_PAUSE_FLAG_AUTONEG : 0; in fec_enet_set_pauseparam()
2878 phy_set_sym_pause(ndev->phydev, pause->rx_pause, pause->tx_pause, in fec_enet_set_pauseparam()
2879 pause->autoneg); in fec_enet_set_pauseparam()
2881 if (pause->autoneg) { in fec_enet_set_pauseparam()
2884 phy_start_aneg(ndev->phydev); in fec_enet_set_pauseparam()
2887 napi_disable(&fep->napi); in fec_enet_set_pauseparam()
2892 napi_enable(&fep->napi); in fec_enet_set_pauseparam()
2982 fep->ethtool_stats[i] = readl(fep->hwp + fec_stats[i].offset); in fec_enet_update_ethtool_stats()
2991 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_get_xdp_stats()
2992 rxq = fep->rx_queue[i]; in fec_enet_get_xdp_stats()
2995 xdp_stats[j] += rxq->stats[j]; in fec_enet_get_xdp_stats()
3008 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_page_pool_stats()
3009 rxq = fep->rx_queue[i]; in fec_enet_page_pool_stats()
3011 if (!rxq->page_pool) in fec_enet_page_pool_stats()
3014 page_pool_get_stats(rxq->page_pool, &stats); in fec_enet_page_pool_stats()
3029 memcpy(data, fep->ethtool_stats, FEC_STATS_SIZE); in fec_enet_get_ethtool_stats()
3072 return -EOPNOTSUPP; in fec_enet_get_sset_count()
3083 writel(FEC_MIB_CTRLSTAT_DISABLE, fep->hwp + FEC_MIB_CTRLSTAT); in fec_enet_clear_ethtool_stats()
3086 writel(0, fep->hwp + fec_stats[i].offset); in fec_enet_clear_ethtool_stats()
3088 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_clear_ethtool_stats()
3089 rxq = fep->rx_queue[i]; in fec_enet_clear_ethtool_stats()
3091 rxq->stats[j] = 0; in fec_enet_clear_ethtool_stats()
3095 writel(0, fep->hwp + FEC_MIB_CTRLSTAT); in fec_enet_clear_ethtool_stats()
3117 return us * (fep->itr_clk_rate / 64000) / 1000; in fec_enet_us_to_itr_clock()
3127 if (!fep->rx_time_itr || !fep->rx_pkts_itr || in fec_enet_itr_coal_set()
3128 !fep->tx_time_itr || !fep->tx_pkts_itr) in fec_enet_itr_coal_set()
3138 rx_itr |= FEC_ITR_ICFT(fep->rx_pkts_itr); in fec_enet_itr_coal_set()
3139 rx_itr |= FEC_ITR_ICTT(fec_enet_us_to_itr_clock(ndev, fep->rx_time_itr)); in fec_enet_itr_coal_set()
3140 tx_itr |= FEC_ITR_ICFT(fep->tx_pkts_itr); in fec_enet_itr_coal_set()
3141 tx_itr |= FEC_ITR_ICTT(fec_enet_us_to_itr_clock(ndev, fep->tx_time_itr)); in fec_enet_itr_coal_set()
3146 writel(tx_itr, fep->hwp + FEC_TXIC0); in fec_enet_itr_coal_set()
3147 writel(rx_itr, fep->hwp + FEC_RXIC0); in fec_enet_itr_coal_set()
3148 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { in fec_enet_itr_coal_set()
3149 writel(tx_itr, fep->hwp + FEC_TXIC1); in fec_enet_itr_coal_set()
3150 writel(rx_itr, fep->hwp + FEC_RXIC1); in fec_enet_itr_coal_set()
3151 writel(tx_itr, fep->hwp + FEC_TXIC2); in fec_enet_itr_coal_set()
3152 writel(rx_itr, fep->hwp + FEC_RXIC2); in fec_enet_itr_coal_set()
3163 if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE)) in fec_enet_get_coalesce()
3164 return -EOPNOTSUPP; in fec_enet_get_coalesce()
3166 ec->rx_coalesce_usecs = fep->rx_time_itr; in fec_enet_get_coalesce()
3167 ec->rx_max_coalesced_frames = fep->rx_pkts_itr; in fec_enet_get_coalesce()
3169 ec->tx_coalesce_usecs = fep->tx_time_itr; in fec_enet_get_coalesce()
3170 ec->tx_max_coalesced_frames = fep->tx_pkts_itr; in fec_enet_get_coalesce()
3181 struct device *dev = &fep->pdev->dev; in fec_enet_set_coalesce()
3184 if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE)) in fec_enet_set_coalesce()
3185 return -EOPNOTSUPP; in fec_enet_set_coalesce()
3187 if (ec->rx_max_coalesced_frames > 255) { in fec_enet_set_coalesce()
3189 return -EINVAL; in fec_enet_set_coalesce()
3192 if (ec->tx_max_coalesced_frames > 255) { in fec_enet_set_coalesce()
3194 return -EINVAL; in fec_enet_set_coalesce()
3197 cycle = fec_enet_us_to_itr_clock(ndev, ec->rx_coalesce_usecs); in fec_enet_set_coalesce()
3200 return -EINVAL; in fec_enet_set_coalesce()
3203 cycle = fec_enet_us_to_itr_clock(ndev, ec->tx_coalesce_usecs); in fec_enet_set_coalesce()
3206 return -EINVAL; in fec_enet_set_coalesce()
3209 fep->rx_time_itr = ec->rx_coalesce_usecs; in fec_enet_set_coalesce()
3210 fep->rx_pkts_itr = ec->rx_max_coalesced_frames; in fec_enet_set_coalesce()
3212 fep->tx_time_itr = ec->tx_coalesce_usecs; in fec_enet_set_coalesce()
3213 fep->tx_pkts_itr = ec->tx_max_coalesced_frames; in fec_enet_set_coalesce()
3225 if (!(fep->quirks & FEC_QUIRK_HAS_EEE)) in fec_enet_get_eee()
3226 return -EOPNOTSUPP; in fec_enet_get_eee()
3229 return -ENETDOWN; in fec_enet_get_eee()
3231 return phy_ethtool_get_eee(ndev->phydev, edata); in fec_enet_get_eee()
3239 if (!(fep->quirks & FEC_QUIRK_HAS_EEE)) in fec_enet_set_eee()
3240 return -EOPNOTSUPP; in fec_enet_set_eee()
3243 return -ENETDOWN; in fec_enet_set_eee()
3245 return phy_ethtool_set_eee(ndev->phydev, edata); in fec_enet_set_eee()
3253 if (fep->wol_flag & FEC_WOL_HAS_MAGIC_PACKET) { in fec_enet_get_wol()
3254 wol->supported = WAKE_MAGIC; in fec_enet_get_wol()
3255 wol->wolopts = fep->wol_flag & FEC_WOL_FLAG_ENABLE ? WAKE_MAGIC : 0; in fec_enet_get_wol()
3257 wol->supported = wol->wolopts = 0; in fec_enet_get_wol()
3266 if (!(fep->wol_flag & FEC_WOL_HAS_MAGIC_PACKET)) in fec_enet_set_wol()
3267 return -EINVAL; in fec_enet_set_wol()
3269 if (wol->wolopts & ~WAKE_MAGIC) in fec_enet_set_wol()
3270 return -EINVAL; in fec_enet_set_wol()
3272 device_set_wakeup_enable(&ndev->dev, wol->wolopts & WAKE_MAGIC); in fec_enet_set_wol()
3273 if (device_may_wakeup(&ndev->dev)) in fec_enet_set_wol()
3274 fep->wol_flag |= FEC_WOL_FLAG_ENABLE; in fec_enet_set_wol()
3276 fep->wol_flag &= (~FEC_WOL_FLAG_ENABLE); in fec_enet_set_wol()
3316 for (q = 0; q < fep->num_rx_queues; q++) { in fec_enet_free_buffers()
3317 rxq = fep->rx_queue[q]; in fec_enet_free_buffers()
3318 for (i = 0; i < rxq->bd.ring_size; i++) in fec_enet_free_buffers()
3319 page_pool_put_full_page(rxq->page_pool, rxq->rx_skb_info[i].page, false); in fec_enet_free_buffers()
3322 rxq->stats[i] = 0; in fec_enet_free_buffers()
3324 if (xdp_rxq_info_is_reg(&rxq->xdp_rxq)) in fec_enet_free_buffers()
3325 xdp_rxq_info_unreg(&rxq->xdp_rxq); in fec_enet_free_buffers()
3326 page_pool_destroy(rxq->page_pool); in fec_enet_free_buffers()
3327 rxq->page_pool = NULL; in fec_enet_free_buffers()
3330 for (q = 0; q < fep->num_tx_queues; q++) { in fec_enet_free_buffers()
3331 txq = fep->tx_queue[q]; in fec_enet_free_buffers()
3332 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_free_buffers()
3333 kfree(txq->tx_bounce[i]); in fec_enet_free_buffers()
3334 txq->tx_bounce[i] = NULL; in fec_enet_free_buffers()
3336 if (!txq->tx_buf[i].buf_p) { in fec_enet_free_buffers()
3337 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_free_buffers()
3341 if (txq->tx_buf[i].type == FEC_TXBUF_T_SKB) { in fec_enet_free_buffers()
3342 dev_kfree_skb(txq->tx_buf[i].buf_p); in fec_enet_free_buffers()
3343 } else if (txq->tx_buf[i].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_free_buffers()
3344 xdp_return_frame(txq->tx_buf[i].buf_p); in fec_enet_free_buffers()
3346 struct page *page = txq->tx_buf[i].buf_p; in fec_enet_free_buffers()
3348 page_pool_put_page(page->pp, page, 0, false); in fec_enet_free_buffers()
3351 txq->tx_buf[i].buf_p = NULL; in fec_enet_free_buffers()
3352 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_free_buffers()
3363 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_free_queue()
3364 if (fep->tx_queue[i] && fep->tx_queue[i]->tso_hdrs) { in fec_enet_free_queue()
3365 txq = fep->tx_queue[i]; in fec_enet_free_queue()
3366 fec_dma_free(&fep->pdev->dev, in fec_enet_free_queue()
3367 txq->bd.ring_size * TSO_HEADER_SIZE, in fec_enet_free_queue()
3368 txq->tso_hdrs, txq->tso_hdrs_dma); in fec_enet_free_queue()
3371 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_free_queue()
3372 kfree(fep->rx_queue[i]); in fec_enet_free_queue()
3373 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_free_queue()
3374 kfree(fep->tx_queue[i]); in fec_enet_free_queue()
3384 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_alloc_queue()
3387 ret = -ENOMEM; in fec_enet_alloc_queue()
3391 fep->tx_queue[i] = txq; in fec_enet_alloc_queue()
3392 txq->bd.ring_size = TX_RING_SIZE; in fec_enet_alloc_queue()
3393 fep->total_tx_ring_size += fep->tx_queue[i]->bd.ring_size; in fec_enet_alloc_queue()
3395 txq->tx_stop_threshold = FEC_MAX_SKB_DESCS; in fec_enet_alloc_queue()
3396 txq->tx_wake_threshold = FEC_MAX_SKB_DESCS + 2 * MAX_SKB_FRAGS; in fec_enet_alloc_queue()
3398 txq->tso_hdrs = fec_dma_alloc(&fep->pdev->dev, in fec_enet_alloc_queue()
3399 txq->bd.ring_size * TSO_HEADER_SIZE, in fec_enet_alloc_queue()
3400 &txq->tso_hdrs_dma, GFP_KERNEL); in fec_enet_alloc_queue()
3401 if (!txq->tso_hdrs) { in fec_enet_alloc_queue()
3402 ret = -ENOMEM; in fec_enet_alloc_queue()
3407 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_alloc_queue()
3408 fep->rx_queue[i] = kzalloc(sizeof(*fep->rx_queue[i]), in fec_enet_alloc_queue()
3410 if (!fep->rx_queue[i]) { in fec_enet_alloc_queue()
3411 ret = -ENOMEM; in fec_enet_alloc_queue()
3415 fep->rx_queue[i]->bd.ring_size = RX_RING_SIZE; in fec_enet_alloc_queue()
3416 fep->total_rx_ring_size += fep->rx_queue[i]->bd.ring_size; in fec_enet_alloc_queue()
3435 rxq = fep->rx_queue[queue]; in fec_enet_alloc_rxq_buffers()
3436 bdp = rxq->bd.base; in fec_enet_alloc_rxq_buffers()
3438 err = fec_enet_create_page_pool(fep, rxq, rxq->bd.ring_size); in fec_enet_alloc_rxq_buffers()
3444 for (i = 0; i < rxq->bd.ring_size; i++) { in fec_enet_alloc_rxq_buffers()
3445 page = page_pool_dev_alloc_pages(rxq->page_pool); in fec_enet_alloc_rxq_buffers()
3450 bdp->cbd_bufaddr = cpu_to_fec32(phys_addr); in fec_enet_alloc_rxq_buffers()
3452 rxq->rx_skb_info[i].page = page; in fec_enet_alloc_rxq_buffers()
3453 rxq->rx_skb_info[i].offset = FEC_ENET_XDP_HEADROOM; in fec_enet_alloc_rxq_buffers()
3454 bdp->cbd_sc = cpu_to_fec16(BD_ENET_RX_EMPTY); in fec_enet_alloc_rxq_buffers()
3456 if (fep->bufdesc_ex) { in fec_enet_alloc_rxq_buffers()
3458 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_RX_INT); in fec_enet_alloc_rxq_buffers()
3461 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_alloc_rxq_buffers()
3465 bdp = fec_enet_get_prevdesc(bdp, &rxq->bd); in fec_enet_alloc_rxq_buffers()
3466 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_alloc_rxq_buffers()
3471 return -ENOMEM; in fec_enet_alloc_rxq_buffers()
3482 txq = fep->tx_queue[queue]; in fec_enet_alloc_txq_buffers()
3483 bdp = txq->bd.base; in fec_enet_alloc_txq_buffers()
3484 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_alloc_txq_buffers()
3485 txq->tx_bounce[i] = kmalloc(FEC_ENET_TX_FRSIZE, GFP_KERNEL); in fec_enet_alloc_txq_buffers()
3486 if (!txq->tx_bounce[i]) in fec_enet_alloc_txq_buffers()
3489 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_alloc_txq_buffers()
3490 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_alloc_txq_buffers()
3492 if (fep->bufdesc_ex) { in fec_enet_alloc_txq_buffers()
3494 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_TX_INT); in fec_enet_alloc_txq_buffers()
3497 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_alloc_txq_buffers()
3501 bdp = fec_enet_get_prevdesc(bdp, &txq->bd); in fec_enet_alloc_txq_buffers()
3502 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_alloc_txq_buffers()
3508 return -ENOMEM; in fec_enet_alloc_txq_buffers()
3516 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_alloc_buffers()
3518 return -ENOMEM; in fec_enet_alloc_buffers()
3520 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_alloc_buffers()
3522 return -ENOMEM; in fec_enet_alloc_buffers()
3533 ret = pm_runtime_resume_and_get(&fep->pdev->dev); in fec_enet_open()
3537 pinctrl_pm_select_default_state(&fep->pdev->dev); in fec_enet_open()
3548 if (ndev->phydev && ndev->phydev->drv) in fec_enet_open()
3575 if (fep->quirks & FEC_QUIRK_ERR006687) in fec_enet_open()
3578 if (fep->quirks & FEC_QUIRK_HAS_PMQOS) in fec_enet_open()
3579 cpu_latency_qos_add_request(&fep->pm_qos_req, 0); in fec_enet_open()
3581 napi_enable(&fep->napi); in fec_enet_open()
3582 phy_start(ndev->phydev); in fec_enet_open()
3585 device_set_wakeup_enable(&ndev->dev, fep->wol_flag & in fec_enet_open()
3595 pm_runtime_mark_last_busy(&fep->pdev->dev); in fec_enet_open()
3596 pm_runtime_put_autosuspend(&fep->pdev->dev); in fec_enet_open()
3597 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_enet_open()
3606 phy_stop(ndev->phydev); in fec_enet_close()
3609 napi_disable(&fep->napi); in fec_enet_close()
3614 phy_disconnect(ndev->phydev); in fec_enet_close()
3616 if (fep->quirks & FEC_QUIRK_ERR006687) in fec_enet_close()
3622 if (fep->quirks & FEC_QUIRK_HAS_PMQOS) in fec_enet_close()
3623 cpu_latency_qos_remove_request(&fep->pm_qos_req); in fec_enet_close()
3625 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_enet_close()
3626 pm_runtime_mark_last_busy(&fep->pdev->dev); in fec_enet_close()
3627 pm_runtime_put_autosuspend(&fep->pdev->dev); in fec_enet_close()
3654 if (ndev->flags & IFF_PROMISC) { in set_multicast_list()
3655 tmp = readl(fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3657 writel(tmp, fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3661 tmp = readl(fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3663 writel(tmp, fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3665 if (ndev->flags & IFF_ALLMULTI) { in set_multicast_list()
3669 writel(0xffffffff, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); in set_multicast_list()
3670 writel(0xffffffff, fep->hwp + FEC_GRP_HASH_TABLE_LOW); in set_multicast_list()
3678 crc = ether_crc_le(ndev->addr_len, ha->addr); in set_multicast_list()
3683 hash = (crc >> (32 - FEC_HASH_BITS)) & 0x3f; in set_multicast_list()
3686 hash_high |= 1 << (hash - 32); in set_multicast_list()
3691 writel(hash_high, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); in set_multicast_list()
3692 writel(hash_low, fep->hwp + FEC_GRP_HASH_TABLE_LOW); in set_multicast_list()
3703 if (!is_valid_ether_addr(addr->sa_data)) in fec_set_mac_address()
3704 return -EADDRNOTAVAIL; in fec_set_mac_address()
3705 eth_hw_addr_set(ndev, addr->sa_data); in fec_set_mac_address()
3716 writel(ndev->dev_addr[3] | (ndev->dev_addr[2] << 8) | in fec_set_mac_address()
3717 (ndev->dev_addr[1] << 16) | (ndev->dev_addr[0] << 24), in fec_set_mac_address()
3718 fep->hwp + FEC_ADDR_LOW); in fec_set_mac_address()
3719 writel((ndev->dev_addr[5] << 16) | (ndev->dev_addr[4] << 24), in fec_set_mac_address()
3720 fep->hwp + FEC_ADDR_HIGH); in fec_set_mac_address()
3728 netdev_features_t changed = features ^ netdev->features; in fec_enet_set_netdev_features()
3730 netdev->features = features; in fec_enet_set_netdev_features()
3735 fep->csum_flags |= FLAG_RX_CSUM_ENABLED; in fec_enet_set_netdev_features()
3737 fep->csum_flags &= ~FLAG_RX_CSUM_ENABLED; in fec_enet_set_netdev_features()
3745 netdev_features_t changed = features ^ netdev->features; in fec_set_features()
3748 napi_disable(&fep->napi); in fec_set_features()
3755 napi_enable(&fep->napi); in fec_set_features()
3769 if (!(fep->quirks & FEC_QUIRK_HAS_AVB)) in fec_enet_select_queue()
3773 if (eth_type_vlan(skb->protocol)) { in fec_enet_select_queue()
3776 vlan_tag = ntohs(vhdr->h_vlan_TCI); in fec_enet_select_queue()
3779 vlan_tag = skb->vlan_tci; in fec_enet_select_queue()
3793 switch (bpf->command) { in fec_enet_bpf()
3799 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_bpf()
3800 return -EOPNOTSUPP; in fec_enet_bpf()
3802 if (!bpf->prog) in fec_enet_bpf()
3806 napi_disable(&fep->napi); in fec_enet_bpf()
3810 old_prog = xchg(&fep->xdp_prog, bpf->prog); in fec_enet_bpf()
3817 napi_enable(&fep->napi); in fec_enet_bpf()
3821 if (bpf->prog) in fec_enet_bpf()
3827 return -EOPNOTSUPP; in fec_enet_bpf()
3830 return -EOPNOTSUPP; in fec_enet_bpf()
3840 return (index % fep->num_tx_queues); in fec_enet_xdp_get_tx_queue()
3856 netdev_err_once(fep->netdev, "NOT enough BD for SG!\n"); in fec_enet_txq_xmit_frame()
3857 return -EBUSY; in fec_enet_txq_xmit_frame()
3861 bdp = txq->bd.cur; in fec_enet_txq_xmit_frame()
3862 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_xmit_frame()
3865 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_xmit_frame()
3870 dma_addr = dma_map_single(&fep->pdev->dev, xdpf->data, in fec_enet_txq_xmit_frame()
3871 xdpf->len, DMA_TO_DEVICE); in fec_enet_txq_xmit_frame()
3872 if (dma_mapping_error(&fep->pdev->dev, dma_addr)) in fec_enet_txq_xmit_frame()
3873 return -ENOMEM; in fec_enet_txq_xmit_frame()
3875 frame_len = xdpf->len; in fec_enet_txq_xmit_frame()
3876 txq->tx_buf[index].buf_p = xdpf; in fec_enet_txq_xmit_frame()
3877 txq->tx_buf[index].type = FEC_TXBUF_T_XDP_NDO; in fec_enet_txq_xmit_frame()
3882 page = virt_to_page(xdpb->data); in fec_enet_txq_xmit_frame()
3884 (xdpb->data - xdpb->data_hard_start); in fec_enet_txq_xmit_frame()
3885 dma_sync_single_for_device(&fep->pdev->dev, dma_addr, in fec_enet_txq_xmit_frame()
3887 frame_len = xdpb->data_end - xdpb->data; in fec_enet_txq_xmit_frame()
3888 txq->tx_buf[index].buf_p = page; in fec_enet_txq_xmit_frame()
3889 txq->tx_buf[index].type = FEC_TXBUF_T_XDP_TX; in fec_enet_txq_xmit_frame()
3893 if (fep->bufdesc_ex) in fec_enet_txq_xmit_frame()
3896 bdp->cbd_bufaddr = cpu_to_fec32(dma_addr); in fec_enet_txq_xmit_frame()
3897 bdp->cbd_datlen = cpu_to_fec16(frame_len); in fec_enet_txq_xmit_frame()
3899 if (fep->bufdesc_ex) { in fec_enet_txq_xmit_frame()
3902 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_xmit_frame()
3903 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_xmit_frame()
3905 ebdp->cbd_bdu = 0; in fec_enet_txq_xmit_frame()
3906 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_xmit_frame()
3918 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_xmit_frame()
3921 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_xmit_frame()
3923 /* Make sure the update to bdp are performed before txq->bd.cur. */ in fec_enet_txq_xmit_frame()
3926 txq->bd.cur = bdp; in fec_enet_txq_xmit_frame()
3929 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_xmit_frame()
3943 txq = fep->tx_queue[queue]; in fec_enet_xdp_tx_xmit()
3944 nq = netdev_get_tx_queue(fep->netdev, queue); in fec_enet_xdp_tx_xmit()
3971 txq = fep->tx_queue[queue]; in fec_enet_xdp_xmit()
3972 nq = netdev_get_tx_queue(fep->netdev, queue); in fec_enet_xdp_xmit()
3995 return -EINVAL; in fec_hwtstamp_get()
3997 if (!fep->bufdesc_ex) in fec_hwtstamp_get()
3998 return -EOPNOTSUPP; in fec_hwtstamp_get()
4012 return -EINVAL; in fec_hwtstamp_set()
4014 if (!fep->bufdesc_ex) in fec_hwtstamp_set()
4015 return -EOPNOTSUPP; in fec_hwtstamp_set()
4056 unsigned dsize = fep->bufdesc_ex ? sizeof(struct bufdesc_ex) : in fec_enet_init()
4063 fep->rx_align = 0xf; in fec_enet_init()
4064 fep->tx_align = 0xf; in fec_enet_init()
4066 fep->rx_align = 0x3; in fec_enet_init()
4067 fep->tx_align = 0x3; in fec_enet_init()
4069 fep->rx_pkts_itr = FEC_ITR_ICFT_DEFAULT; in fec_enet_init()
4070 fep->tx_pkts_itr = FEC_ITR_ICFT_DEFAULT; in fec_enet_init()
4071 fep->rx_time_itr = FEC_ITR_ICTT_DEFAULT; in fec_enet_init()
4072 fep->tx_time_itr = FEC_ITR_ICTT_DEFAULT; in fec_enet_init()
4075 ret = dma_set_mask_and_coherent(&fep->pdev->dev, DMA_BIT_MASK(32)); in fec_enet_init()
4077 dev_warn(&fep->pdev->dev, "No suitable DMA available\n"); in fec_enet_init()
4085 bd_size = (fep->total_tx_ring_size + fep->total_rx_ring_size) * dsize; in fec_enet_init()
4088 cbd_base = fec_dmam_alloc(&fep->pdev->dev, bd_size, &bd_dma, in fec_enet_init()
4091 ret = -ENOMEM; in fec_enet_init()
4101 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_init()
4102 struct fec_enet_priv_rx_q *rxq = fep->rx_queue[i]; in fec_enet_init()
4103 unsigned size = dsize * rxq->bd.ring_size; in fec_enet_init()
4105 rxq->bd.qid = i; in fec_enet_init()
4106 rxq->bd.base = cbd_base; in fec_enet_init()
4107 rxq->bd.cur = cbd_base; in fec_enet_init()
4108 rxq->bd.dma = bd_dma; in fec_enet_init()
4109 rxq->bd.dsize = dsize; in fec_enet_init()
4110 rxq->bd.dsize_log2 = dsize_log2; in fec_enet_init()
4111 rxq->bd.reg_desc_active = fep->hwp + offset_des_active_rxq[i]; in fec_enet_init()
4114 rxq->bd.last = (struct bufdesc *)(((void *)cbd_base) - dsize); in fec_enet_init()
4117 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_init()
4118 struct fec_enet_priv_tx_q *txq = fep->tx_queue[i]; in fec_enet_init()
4119 unsigned size = dsize * txq->bd.ring_size; in fec_enet_init()
4121 txq->bd.qid = i; in fec_enet_init()
4122 txq->bd.base = cbd_base; in fec_enet_init()
4123 txq->bd.cur = cbd_base; in fec_enet_init()
4124 txq->bd.dma = bd_dma; in fec_enet_init()
4125 txq->bd.dsize = dsize; in fec_enet_init()
4126 txq->bd.dsize_log2 = dsize_log2; in fec_enet_init()
4127 txq->bd.reg_desc_active = fep->hwp + offset_des_active_txq[i]; in fec_enet_init()
4130 txq->bd.last = (struct bufdesc *)(((void *)cbd_base) - dsize); in fec_enet_init()
4135 ndev->watchdog_timeo = TX_TIMEOUT; in fec_enet_init()
4136 ndev->netdev_ops = &fec_netdev_ops; in fec_enet_init()
4137 ndev->ethtool_ops = &fec_enet_ethtool_ops; in fec_enet_init()
4139 writel(FEC_RX_DISABLED_IMASK, fep->hwp + FEC_IMASK); in fec_enet_init()
4140 netif_napi_add(ndev, &fep->napi, fec_enet_rx_napi); in fec_enet_init()
4142 if (fep->quirks & FEC_QUIRK_HAS_VLAN) in fec_enet_init()
4144 ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; in fec_enet_init()
4146 if (fep->quirks & FEC_QUIRK_HAS_CSUM) { in fec_enet_init()
4150 ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM in fec_enet_init()
4152 fep->csum_flags |= FLAG_RX_CSUM_ENABLED; in fec_enet_init()
4155 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { in fec_enet_init()
4156 fep->tx_align = 0; in fec_enet_init()
4157 fep->rx_align = 0x3f; in fec_enet_init()
4160 ndev->hw_features = ndev->features; in fec_enet_init()
4162 if (!(fep->quirks & FEC_QUIRK_SWAP_FRAME)) in fec_enet_init()
4163 ndev->xdp_features = NETDEV_XDP_ACT_BASIC | in fec_enet_init()
4168 if (fep->quirks & FEC_QUIRK_MIB_CLEAR) in fec_enet_init()
4184 netif_napi_del(&fep->napi); in fec_enet_deinit()
4193 struct device_node *np = pdev->dev.of_node; in fec_reset_phy()
4199 err = of_property_read_u32(np, "phy-reset-duration", &msec); in fec_reset_phy()
4204 err = of_property_read_u32(np, "phy-reset-post-delay", &phy_post_delay); in fec_reset_phy()
4207 return -EINVAL; in fec_reset_phy()
4209 phy_reset = devm_gpiod_get_optional(&pdev->dev, "phy-reset", in fec_reset_phy()
4212 return dev_err_probe(&pdev->dev, PTR_ERR(phy_reset), in fec_reset_phy()
4213 "failed to get phy-reset-gpios\n"); in fec_reset_phy()
4250 struct device_node *np = pdev->dev.of_node; in fec_enet_get_queue_num()
4258 of_property_read_u32(np, "fsl,num-tx-queues", num_tx); in fec_enet_get_queue_num()
4260 of_property_read_u32(np, "fsl,num-rx-queues", num_rx); in fec_enet_get_queue_num()
4263 dev_warn(&pdev->dev, "Invalid num_tx(=%d), fall back to 1\n", in fec_enet_get_queue_num()
4270 dev_warn(&pdev->dev, "Invalid num_rx(=%d), fall back to 1\n", in fec_enet_get_queue_num()
4296 if (fep->quirks & FEC_QUIRK_WAKEUP_FROM_INT2) in fec_enet_get_wakeup_irq()
4297 fep->wake_irq = fep->irq[2]; in fec_enet_get_wakeup_irq()
4299 fep->wake_irq = fep->irq[0]; in fec_enet_get_wakeup_irq()
4309 gpr_np = of_parse_phandle(np, "fsl,stop-mode", 0); in fec_enet_init_stop_mode()
4313 ret = of_property_read_u32_array(np, "fsl,stop-mode", out_val, in fec_enet_init_stop_mode()
4316 dev_dbg(&fep->pdev->dev, "no stop mode property\n"); in fec_enet_init_stop_mode()
4320 fep->stop_gpr.gpr = syscon_node_to_regmap(gpr_np); in fec_enet_init_stop_mode()
4321 if (IS_ERR(fep->stop_gpr.gpr)) { in fec_enet_init_stop_mode()
4322 dev_err(&fep->pdev->dev, "could not find gpr regmap\n"); in fec_enet_init_stop_mode()
4323 ret = PTR_ERR(fep->stop_gpr.gpr); in fec_enet_init_stop_mode()
4324 fep->stop_gpr.gpr = NULL; in fec_enet_init_stop_mode()
4328 fep->stop_gpr.reg = out_val[1]; in fec_enet_init_stop_mode()
4329 fep->stop_gpr.bit = out_val[2]; in fec_enet_init_stop_mode()
4346 struct device_node *np = pdev->dev.of_node, *phy_node; in fec_probe()
4359 return -ENOMEM; in fec_probe()
4361 SET_NETDEV_DEV(ndev, &pdev->dev); in fec_probe()
4366 dev_info = device_get_match_data(&pdev->dev); in fec_probe()
4368 dev_info = (const struct fec_devinfo *)pdev->id_entry->driver_data; in fec_probe()
4370 fep->quirks = dev_info->quirks; in fec_probe()
4372 fep->netdev = ndev; in fec_probe()
4373 fep->num_rx_queues = num_rx_qs; in fec_probe()
4374 fep->num_tx_queues = num_tx_qs; in fec_probe()
4378 if (fep->quirks & FEC_QUIRK_HAS_GBIT) in fec_probe()
4379 fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG; in fec_probe()
4383 pinctrl_pm_select_default_state(&pdev->dev); in fec_probe()
4385 fep->hwp = devm_platform_ioremap_resource(pdev, 0); in fec_probe()
4386 if (IS_ERR(fep->hwp)) { in fec_probe()
4387 ret = PTR_ERR(fep->hwp); in fec_probe()
4391 fep->pdev = pdev; in fec_probe()
4392 fep->dev_id = dev_id++; in fec_probe()
4398 !of_property_read_bool(np, "fsl,err006687-workaround-present")) in fec_probe()
4399 fep->quirks |= FEC_QUIRK_ERR006687; in fec_probe()
4405 if (of_property_read_bool(np, "fsl,magic-packet")) in fec_probe()
4406 fep->wol_flag |= FEC_WOL_HAS_MAGIC_PACKET; in fec_probe()
4412 phy_node = of_parse_phandle(np, "phy-handle", 0); in fec_probe()
4416 dev_err(&pdev->dev, in fec_probe()
4417 "broken fixed-link specification\n"); in fec_probe()
4422 fep->phy_node = phy_node; in fec_probe()
4424 ret = of_get_phy_mode(pdev->dev.of_node, &interface); in fec_probe()
4426 pdata = dev_get_platdata(&pdev->dev); in fec_probe()
4428 fep->phy_interface = pdata->phy; in fec_probe()
4430 fep->phy_interface = PHY_INTERFACE_MODE_MII; in fec_probe()
4432 fep->phy_interface = interface; in fec_probe()
4439 fep->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); in fec_probe()
4440 if (IS_ERR(fep->clk_ipg)) { in fec_probe()
4441 ret = PTR_ERR(fep->clk_ipg); in fec_probe()
4445 fep->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); in fec_probe()
4446 if (IS_ERR(fep->clk_ahb)) { in fec_probe()
4447 ret = PTR_ERR(fep->clk_ahb); in fec_probe()
4451 fep->itr_clk_rate = clk_get_rate(fep->clk_ahb); in fec_probe()
4454 fep->clk_enet_out = devm_clk_get_optional(&pdev->dev, "enet_out"); in fec_probe()
4455 if (IS_ERR(fep->clk_enet_out)) { in fec_probe()
4456 ret = PTR_ERR(fep->clk_enet_out); in fec_probe()
4460 fep->ptp_clk_on = false; in fec_probe()
4461 mutex_init(&fep->ptp_clk_mutex); in fec_probe()
4464 fep->clk_ref = devm_clk_get_optional(&pdev->dev, "enet_clk_ref"); in fec_probe()
4465 if (IS_ERR(fep->clk_ref)) { in fec_probe()
4466 ret = PTR_ERR(fep->clk_ref); in fec_probe()
4469 fep->clk_ref_rate = clk_get_rate(fep->clk_ref); in fec_probe()
4472 if (fep->rgmii_txc_dly || fep->rgmii_rxc_dly) { in fec_probe()
4473 fep->clk_2x_txclk = devm_clk_get(&pdev->dev, "enet_2x_txclk"); in fec_probe()
4474 if (IS_ERR(fep->clk_2x_txclk)) in fec_probe()
4475 fep->clk_2x_txclk = NULL; in fec_probe()
4478 fep->bufdesc_ex = fep->quirks & FEC_QUIRK_HAS_BUFDESC_EX; in fec_probe()
4479 fep->clk_ptp = devm_clk_get(&pdev->dev, "ptp"); in fec_probe()
4480 if (IS_ERR(fep->clk_ptp)) { in fec_probe()
4481 fep->clk_ptp = NULL; in fec_probe()
4482 fep->bufdesc_ex = false; in fec_probe()
4489 ret = clk_prepare_enable(fep->clk_ipg); in fec_probe()
4492 ret = clk_prepare_enable(fep->clk_ahb); in fec_probe()
4496 fep->reg_phy = devm_regulator_get_optional(&pdev->dev, "phy"); in fec_probe()
4497 if (!IS_ERR(fep->reg_phy)) { in fec_probe()
4498 ret = regulator_enable(fep->reg_phy); in fec_probe()
4500 dev_err(&pdev->dev, in fec_probe()
4505 if (PTR_ERR(fep->reg_phy) == -EPROBE_DEFER) { in fec_probe()
4506 ret = -EPROBE_DEFER; in fec_probe()
4509 fep->reg_phy = NULL; in fec_probe()
4512 pm_runtime_set_autosuspend_delay(&pdev->dev, FEC_MDIO_PM_TIMEOUT); in fec_probe()
4513 pm_runtime_use_autosuspend(&pdev->dev); in fec_probe()
4514 pm_runtime_get_noresume(&pdev->dev); in fec_probe()
4515 pm_runtime_set_active(&pdev->dev); in fec_probe()
4516 pm_runtime_enable(&pdev->dev); in fec_probe()
4523 if (fep->bufdesc_ex) in fec_probe()
4539 ret = devm_request_irq(&pdev->dev, irq, fec_enet_interrupt, in fec_probe()
4540 0, pdev->name, ndev); in fec_probe()
4544 fep->irq[i] = irq; in fec_probe()
4557 pinctrl_pm_select_sleep_state(&pdev->dev); in fec_probe()
4559 ndev->max_mtu = PKT_MAXBUF_SIZE - ETH_HLEN - ETH_FCS_LEN; in fec_probe()
4565 device_init_wakeup(&ndev->dev, fep->wol_flag & in fec_probe()
4568 if (fep->bufdesc_ex && fep->ptp_clock) in fec_probe()
4569 netdev_info(ndev, "registered PHC device %d\n", fep->dev_id); in fec_probe()
4571 INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work); in fec_probe()
4573 pm_runtime_mark_last_busy(&pdev->dev); in fec_probe()
4574 pm_runtime_put_autosuspend(&pdev->dev); in fec_probe()
4586 pm_runtime_put_noidle(&pdev->dev); in fec_probe()
4587 pm_runtime_disable(&pdev->dev); in fec_probe()
4588 if (fep->reg_phy) in fec_probe()
4589 regulator_disable(fep->reg_phy); in fec_probe()
4591 clk_disable_unprepare(fep->clk_ahb); in fec_probe()
4593 clk_disable_unprepare(fep->clk_ipg); in fec_probe()
4604 dev_id--; in fec_probe()
4616 struct device_node *np = pdev->dev.of_node; in fec_drv_remove()
4619 ret = pm_runtime_get_sync(&pdev->dev); in fec_drv_remove()
4621 dev_err(&pdev->dev, in fec_drv_remove()
4625 cancel_work_sync(&fep->tx_timeout_work); in fec_drv_remove()
4629 if (fep->reg_phy) in fec_drv_remove()
4630 regulator_disable(fep->reg_phy); in fec_drv_remove()
4634 of_node_put(fep->phy_node); in fec_drv_remove()
4640 clk_disable_unprepare(fep->clk_ahb); in fec_drv_remove()
4641 clk_disable_unprepare(fep->clk_ipg); in fec_drv_remove()
4643 pm_runtime_put_noidle(&pdev->dev); in fec_drv_remove()
4644 pm_runtime_disable(&pdev->dev); in fec_drv_remove()
4658 if (fep->wol_flag & FEC_WOL_FLAG_ENABLE) in fec_suspend()
4659 fep->wol_flag |= FEC_WOL_FLAG_SLEEP_ON; in fec_suspend()
4660 phy_stop(ndev->phydev); in fec_suspend()
4661 napi_disable(&fep->napi); in fec_suspend()
4666 if (!(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) { in fec_suspend()
4668 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_suspend()
4671 if (fep->wake_irq > 0) { in fec_suspend()
4672 disable_irq(fep->wake_irq); in fec_suspend()
4673 enable_irq_wake(fep->wake_irq); in fec_suspend()
4680 fep->rpm_active = !pm_runtime_status_suspended(dev); in fec_suspend()
4681 if (fep->rpm_active) { in fec_suspend()
4691 if (fep->reg_phy && !(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) in fec_suspend()
4692 regulator_disable(fep->reg_phy); in fec_suspend()
4697 if (fep->clk_enet_out || fep->reg_phy) in fec_suspend()
4698 fep->link = 0; in fec_suspend()
4710 if (fep->reg_phy && !(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) { in fec_resume()
4711 ret = regulator_enable(fep->reg_phy); in fec_resume()
4718 if (fep->rpm_active) in fec_resume()
4726 if (fep->wol_flag & FEC_WOL_FLAG_ENABLE) { in fec_resume()
4728 if (fep->wake_irq) { in fec_resume()
4729 disable_irq_wake(fep->wake_irq); in fec_resume()
4730 enable_irq(fep->wake_irq); in fec_resume()
4733 val = readl(fep->hwp + FEC_ECNTRL); in fec_resume()
4735 writel(val, fep->hwp + FEC_ECNTRL); in fec_resume()
4736 fep->wol_flag &= ~FEC_WOL_FLAG_SLEEP_ON; in fec_resume()
4738 pinctrl_pm_select_default_state(&fep->pdev->dev); in fec_resume()
4744 napi_enable(&fep->napi); in fec_resume()
4745 phy_init_hw(ndev->phydev); in fec_resume()
4746 phy_start(ndev->phydev); in fec_resume()
4753 if (fep->reg_phy) in fec_resume()
4754 regulator_disable(fep->reg_phy); in fec_resume()
4763 clk_disable_unprepare(fep->clk_ahb); in fec_runtime_suspend()
4764 clk_disable_unprepare(fep->clk_ipg); in fec_runtime_suspend()
4775 ret = clk_prepare_enable(fep->clk_ahb); in fec_runtime_resume()
4778 ret = clk_prepare_enable(fep->clk_ipg); in fec_runtime_resume()
4785 clk_disable_unprepare(fep->clk_ahb); in fec_runtime_resume()