Lines Matching +full:suppress +full:- +full:preamble
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.
193 { .compatible = "fsl,imx25-fec", .data = &fec_imx25_info, },
194 { .compatible = "fsl,imx27-fec", .data = &fec_imx27_info, },
195 { .compatible = "fsl,imx28-fec", .data = &fec_imx28_info, },
196 { .compatible = "fsl,imx6q-fec", .data = &fec_imx6q_info, },
197 { .compatible = "fsl,mvf600-fec", .data = &fec_mvf600_info, },
198 { .compatible = "fsl,imx6sx-fec", .data = &fec_imx6sx_info, },
199 { .compatible = "fsl,imx6ul-fec", .data = &fec_imx6ul_info, },
200 { .compatible = "fsl,imx8mq-fec", .data = &fec_imx8mq_info, },
201 { .compatible = "fsl,imx8qm-fec", .data = &fec_imx8qm_info, },
202 { .compatible = "fsl,s32v234-fec", .data = &fec_s32v234_info, },
214 * if this is non-zero then assume it is the address to get MAC from.
236 #define PKT_MAXBUF_SIZE (round_down(2048 - 64, 64))
310 ((addr >= txq->tso_hdrs_dma) && \
311 (addr < txq->tso_hdrs_dma + txq->bd.ring_size * TSO_HEADER_SIZE))
318 return (bdp >= bd->last) ? bd->base in fec_enet_get_nextdesc()
319 : (struct bufdesc *)(((void *)bdp) + bd->dsize); in fec_enet_get_nextdesc()
325 return (bdp <= bd->base) ? bd->last in fec_enet_get_prevdesc()
326 : (struct bufdesc *)(((void *)bdp) - bd->dsize); in fec_enet_get_prevdesc()
332 return ((const char *)bdp - (const char *)bd->base) >> bd->dsize_log2; in fec_enet_get_bd_index()
339 entries = (((const char *)txq->dirty_tx - in fec_enet_get_free_txdesc_num()
340 (const char *)txq->bd.cur) >> txq->bd.dsize_log2) - 1; in fec_enet_get_free_txdesc_num()
342 return entries >= 0 ? entries : entries + txq->bd.ring_size; in fec_enet_get_free_txdesc_num()
364 txq = fep->tx_queue[0]; in fec_dump()
365 bdp = txq->bd.base; in fec_dump()
370 bdp == txq->bd.cur ? 'S' : ' ', in fec_dump()
371 bdp == txq->dirty_tx ? 'H' : ' ', in fec_dump()
372 fec16_to_cpu(bdp->cbd_sc), in fec_dump()
373 fec32_to_cpu(bdp->cbd_bufaddr), in fec_dump()
374 fec16_to_cpu(bdp->cbd_datlen), in fec_dump()
375 txq->tx_buf[index].buf_p); in fec_dump()
376 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_dump()
378 } while (bdp != txq->bd.base); in fec_dump()
383 * a band-aid with a manual flush in fec_enet_rx_queue.
421 fec_dma_free(dev, this->size, this->vaddr, this->dma_handle); in fec_dmam_release()
438 dr->vaddr = vaddr; in fec_dmam_alloc()
439 dr->dma_handle = *handle; in fec_dmam_alloc()
440 dr->size = size; in fec_dmam_alloc()
447 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; in is_ipv4_pkt()
454 if (skb->ip_summed != CHECKSUM_PARTIAL) in fec_enet_clear_csum()
458 return -1; in fec_enet_clear_csum()
461 ip_hdr(skb)->check = 0; in fec_enet_clear_csum()
462 *(__sum16 *)(skb->head + skb->csum_start + skb->csum_offset) = 0; in fec_enet_clear_csum()
471 struct bpf_prog *xdp_prog = READ_ONCE(fep->xdp_prog); in fec_enet_create_page_pool()
476 .nid = dev_to_node(&fep->pdev->dev), in fec_enet_create_page_pool()
477 .dev = &fep->pdev->dev, in fec_enet_create_page_pool()
484 rxq->page_pool = page_pool_create(&pp_params); in fec_enet_create_page_pool()
485 if (IS_ERR(rxq->page_pool)) { in fec_enet_create_page_pool()
486 err = PTR_ERR(rxq->page_pool); in fec_enet_create_page_pool()
487 rxq->page_pool = NULL; in fec_enet_create_page_pool()
491 err = xdp_rxq_info_reg(&rxq->xdp_rxq, fep->netdev, rxq->id, 0); in fec_enet_create_page_pool()
495 err = xdp_rxq_info_reg_mem_model(&rxq->xdp_rxq, MEM_TYPE_PAGE_POOL, in fec_enet_create_page_pool()
496 rxq->page_pool); in fec_enet_create_page_pool()
503 xdp_rxq_info_unreg(&rxq->xdp_rxq); in fec_enet_create_page_pool()
505 page_pool_destroy(rxq->page_pool); in fec_enet_create_page_pool()
506 rxq->page_pool = NULL; in fec_enet_create_page_pool()
516 struct bufdesc *bdp = txq->bd.cur; in fec_enet_txq_submit_frag_skb()
518 int nr_frags = skb_shinfo(skb)->nr_frags; in fec_enet_txq_submit_frag_skb()
529 this_frag = &skb_shinfo(skb)->frags[frag]; in fec_enet_txq_submit_frag_skb()
530 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
533 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_submit_frag_skb()
536 frag_len = skb_frag_size(&skb_shinfo(skb)->frags[frag]); in fec_enet_txq_submit_frag_skb()
539 if (frag == nr_frags - 1) { in fec_enet_txq_submit_frag_skb()
541 if (fep->bufdesc_ex) { in fec_enet_txq_submit_frag_skb()
543 if (unlikely(skb_shinfo(skb)->tx_flags & in fec_enet_txq_submit_frag_skb()
544 SKBTX_HW_TSTAMP && fep->hwts_tx_en)) in fec_enet_txq_submit_frag_skb()
549 if (fep->bufdesc_ex) { in fec_enet_txq_submit_frag_skb()
550 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_submit_frag_skb()
551 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_submit_frag_skb()
552 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_submit_frag_skb()
555 ebdp->cbd_bdu = 0; in fec_enet_txq_submit_frag_skb()
556 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_submit_frag_skb()
561 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
562 if (((unsigned long) bufaddr) & fep->tx_align || in fec_enet_txq_submit_frag_skb()
563 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_submit_frag_skb()
564 memcpy(txq->tx_bounce[index], bufaddr, frag_len); in fec_enet_txq_submit_frag_skb()
565 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_submit_frag_skb()
567 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_submit_frag_skb()
571 addr = dma_map_single(&fep->pdev->dev, bufaddr, frag_len, in fec_enet_txq_submit_frag_skb()
573 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_submit_frag_skb()
579 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_submit_frag_skb()
580 bdp->cbd_datlen = cpu_to_fec16(frag_len); in fec_enet_txq_submit_frag_skb()
585 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_submit_frag_skb()
590 bdp = txq->bd.cur; in fec_enet_txq_submit_frag_skb()
592 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
593 dma_unmap_single(&fep->pdev->dev, fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_txq_submit_frag_skb()
594 fec16_to_cpu(bdp->cbd_datlen), DMA_TO_DEVICE); in fec_enet_txq_submit_frag_skb()
596 return ERR_PTR(-ENOMEM); in fec_enet_txq_submit_frag_skb()
603 int nr_frags = skb_shinfo(skb)->nr_frags; in fec_enet_txq_submit_skb()
621 /* Protocol checksum off-load for TCP and UDP. */ in fec_enet_txq_submit_skb()
628 bdp = txq->bd.cur; in fec_enet_txq_submit_skb()
630 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_submit_skb()
634 bufaddr = skb->data; in fec_enet_txq_submit_skb()
637 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_skb()
638 if (((unsigned long) bufaddr) & fep->tx_align || in fec_enet_txq_submit_skb()
639 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_submit_skb()
640 memcpy(txq->tx_bounce[index], skb->data, buflen); in fec_enet_txq_submit_skb()
641 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_submit_skb()
643 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_submit_skb()
648 addr = dma_map_single(&fep->pdev->dev, bufaddr, buflen, DMA_TO_DEVICE); in fec_enet_txq_submit_skb()
649 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_submit_skb()
659 dma_unmap_single(&fep->pdev->dev, addr, in fec_enet_txq_submit_skb()
666 if (fep->bufdesc_ex) { in fec_enet_txq_submit_skb()
668 if (unlikely(skb_shinfo(skb)->tx_flags & in fec_enet_txq_submit_skb()
669 SKBTX_HW_TSTAMP && fep->hwts_tx_en)) in fec_enet_txq_submit_skb()
673 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_submit_skb()
674 bdp->cbd_datlen = cpu_to_fec16(buflen); in fec_enet_txq_submit_skb()
676 if (fep->bufdesc_ex) { in fec_enet_txq_submit_skb()
680 if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && in fec_enet_txq_submit_skb()
681 fep->hwts_tx_en)) in fec_enet_txq_submit_skb()
682 skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; in fec_enet_txq_submit_skb()
684 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_submit_skb()
685 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_submit_skb()
687 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_submit_skb()
690 ebdp->cbd_bdu = 0; in fec_enet_txq_submit_skb()
691 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_submit_skb()
694 index = fec_enet_get_bd_index(last_bdp, &txq->bd); in fec_enet_txq_submit_skb()
696 txq->tx_buf[index].buf_p = skb; in fec_enet_txq_submit_skb()
707 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_submit_skb()
710 bdp = fec_enet_get_nextdesc(last_bdp, &txq->bd); in fec_enet_txq_submit_skb()
714 /* Make sure the update to bdp is performed before txq->bd.cur. */ in fec_enet_txq_submit_skb()
716 txq->bd.cur = bdp; in fec_enet_txq_submit_skb()
719 if (!(fep->quirks & FEC_QUIRK_ERR007885) || in fec_enet_txq_submit_skb()
720 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_skb()
721 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_skb()
722 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_skb()
723 !readl(txq->bd.reg_desc_active)) in fec_enet_txq_submit_skb()
724 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_submit_skb()
741 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_put_data_tso()
746 if (((unsigned long) data) & fep->tx_align || in fec_enet_txq_put_data_tso()
747 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_put_data_tso()
748 memcpy(txq->tx_bounce[index], data, size); in fec_enet_txq_put_data_tso()
749 data = txq->tx_bounce[index]; in fec_enet_txq_put_data_tso()
751 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_put_data_tso()
755 addr = dma_map_single(&fep->pdev->dev, data, size, DMA_TO_DEVICE); in fec_enet_txq_put_data_tso()
756 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_put_data_tso()
763 bdp->cbd_datlen = cpu_to_fec16(size); in fec_enet_txq_put_data_tso()
764 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_put_data_tso()
766 if (fep->bufdesc_ex) { in fec_enet_txq_put_data_tso()
767 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_put_data_tso()
768 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_put_data_tso()
769 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_put_data_tso()
771 ebdp->cbd_bdu = 0; in fec_enet_txq_put_data_tso()
772 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_put_data_tso()
780 if (fep->bufdesc_ex) in fec_enet_txq_put_data_tso()
781 ebdp->cbd_esc |= cpu_to_fec32(BD_ENET_TX_INT); in fec_enet_txq_put_data_tso()
784 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_put_data_tso()
802 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_put_hdr_tso()
806 bufaddr = txq->tso_hdrs + index * TSO_HEADER_SIZE; in fec_enet_txq_put_hdr_tso()
807 dmabuf = txq->tso_hdrs_dma + index * TSO_HEADER_SIZE; in fec_enet_txq_put_hdr_tso()
808 if (((unsigned long)bufaddr) & fep->tx_align || in fec_enet_txq_put_hdr_tso()
809 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_put_hdr_tso()
810 memcpy(txq->tx_bounce[index], skb->data, hdr_len); in fec_enet_txq_put_hdr_tso()
811 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_put_hdr_tso()
813 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_put_hdr_tso()
816 dmabuf = dma_map_single(&fep->pdev->dev, bufaddr, in fec_enet_txq_put_hdr_tso()
818 if (dma_mapping_error(&fep->pdev->dev, dmabuf)) { in fec_enet_txq_put_hdr_tso()
826 bdp->cbd_bufaddr = cpu_to_fec32(dmabuf); in fec_enet_txq_put_hdr_tso()
827 bdp->cbd_datlen = cpu_to_fec16(hdr_len); in fec_enet_txq_put_hdr_tso()
829 if (fep->bufdesc_ex) { in fec_enet_txq_put_hdr_tso()
830 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_put_hdr_tso()
831 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_put_hdr_tso()
832 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_put_hdr_tso()
834 ebdp->cbd_bdu = 0; in fec_enet_txq_put_hdr_tso()
835 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_put_hdr_tso()
838 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_put_hdr_tso()
849 struct bufdesc *bdp = txq->bd.cur; in fec_enet_txq_submit_tso()
863 /* Protocol checksum off-load for TCP and UDP. */ in fec_enet_txq_submit_tso()
872 total_len = skb->len - hdr_len; in fec_enet_txq_submit_tso()
876 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_tso()
877 data_left = min_t(int, skb_shinfo(skb)->gso_size, total_len); in fec_enet_txq_submit_tso()
878 total_len -= data_left; in fec_enet_txq_submit_tso()
881 hdr = txq->tso_hdrs + index * TSO_HEADER_SIZE; in fec_enet_txq_submit_tso()
891 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_tso()
892 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_tso()
901 data_left -= size; in fec_enet_txq_submit_tso()
905 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_tso()
909 txq->tx_buf[index].buf_p = skb; in fec_enet_txq_submit_tso()
912 txq->bd.cur = bdp; in fec_enet_txq_submit_tso()
915 if (!(fep->quirks & FEC_QUIRK_ERR007885) || in fec_enet_txq_submit_tso()
916 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
917 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
918 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
919 !readl(txq->bd.reg_desc_active)) in fec_enet_txq_submit_tso()
920 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_submit_tso()
926 tmp_bdp = txq->bd.cur; in fec_enet_txq_submit_tso()
930 if (tmp_bdp->cbd_bufaddr && in fec_enet_txq_submit_tso()
931 !IS_TSO_HEADER(txq, fec32_to_cpu(tmp_bdp->cbd_bufaddr))) in fec_enet_txq_submit_tso()
932 dma_unmap_single(&fep->pdev->dev, in fec_enet_txq_submit_tso()
933 fec32_to_cpu(tmp_bdp->cbd_bufaddr), in fec_enet_txq_submit_tso()
934 fec16_to_cpu(tmp_bdp->cbd_datlen), in fec_enet_txq_submit_tso()
938 tmp_bdp->cbd_sc = 0; in fec_enet_txq_submit_tso()
939 tmp_bdp->cbd_datlen = 0; in fec_enet_txq_submit_tso()
940 tmp_bdp->cbd_bufaddr = 0; in fec_enet_txq_submit_tso()
943 if (fep->bufdesc_ex) { in fec_enet_txq_submit_tso()
945 ebdp->cbd_esc = 0; in fec_enet_txq_submit_tso()
948 tmp_bdp = fec_enet_get_nextdesc(tmp_bdp, &txq->bd); in fec_enet_txq_submit_tso()
967 txq = fep->tx_queue[queue]; in fec_enet_start_xmit()
978 if (entries_free <= txq->tx_stop_threshold) in fec_enet_start_xmit()
995 for (q = 0; q < fep->num_rx_queues; q++) { in fec_enet_bd_init()
997 rxq = fep->rx_queue[q]; in fec_enet_bd_init()
998 bdp = rxq->bd.base; in fec_enet_bd_init()
1000 for (i = 0; i < rxq->bd.ring_size; i++) { in fec_enet_bd_init()
1003 if (bdp->cbd_bufaddr) in fec_enet_bd_init()
1004 bdp->cbd_sc = cpu_to_fec16(BD_ENET_RX_EMPTY); in fec_enet_bd_init()
1006 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_bd_init()
1007 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_bd_init()
1011 bdp = fec_enet_get_prevdesc(bdp, &rxq->bd); in fec_enet_bd_init()
1012 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_bd_init()
1014 rxq->bd.cur = rxq->bd.base; in fec_enet_bd_init()
1017 for (q = 0; q < fep->num_tx_queues; q++) { in fec_enet_bd_init()
1019 txq = fep->tx_queue[q]; in fec_enet_bd_init()
1020 bdp = txq->bd.base; in fec_enet_bd_init()
1021 txq->bd.cur = bdp; in fec_enet_bd_init()
1023 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_bd_init()
1025 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_bd_init()
1026 if (txq->tx_buf[i].type == FEC_TXBUF_T_SKB) { in fec_enet_bd_init()
1027 if (bdp->cbd_bufaddr && in fec_enet_bd_init()
1028 !IS_TSO_HEADER(txq, fec32_to_cpu(bdp->cbd_bufaddr))) in fec_enet_bd_init()
1029 dma_unmap_single(&fep->pdev->dev, in fec_enet_bd_init()
1030 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_bd_init()
1031 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_bd_init()
1033 if (txq->tx_buf[i].buf_p) in fec_enet_bd_init()
1034 dev_kfree_skb_any(txq->tx_buf[i].buf_p); in fec_enet_bd_init()
1035 } else if (txq->tx_buf[i].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_bd_init()
1036 if (bdp->cbd_bufaddr) in fec_enet_bd_init()
1037 dma_unmap_single(&fep->pdev->dev, in fec_enet_bd_init()
1038 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_bd_init()
1039 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_bd_init()
1042 if (txq->tx_buf[i].buf_p) in fec_enet_bd_init()
1043 xdp_return_frame(txq->tx_buf[i].buf_p); in fec_enet_bd_init()
1045 struct page *page = txq->tx_buf[i].buf_p; in fec_enet_bd_init()
1048 page_pool_put_page(pp_page_to_nmdesc(page)->pp, in fec_enet_bd_init()
1053 txq->tx_buf[i].buf_p = NULL; in fec_enet_bd_init()
1055 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_bd_init()
1056 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_bd_init()
1057 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_bd_init()
1061 bdp = fec_enet_get_prevdesc(bdp, &txq->bd); in fec_enet_bd_init()
1062 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_bd_init()
1063 txq->dirty_tx = bdp; in fec_enet_bd_init()
1072 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_active_rxring()
1073 writel(0, fep->rx_queue[i]->bd.reg_desc_active); in fec_enet_active_rxring()
1083 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_enable_ring()
1084 rxq = fep->rx_queue[i]; in fec_enet_enable_ring()
1085 writel(rxq->bd.dma, fep->hwp + FEC_R_DES_START(i)); in fec_enet_enable_ring()
1086 writel(PKT_MAXBUF_SIZE, fep->hwp + FEC_R_BUFF_SIZE(i)); in fec_enet_enable_ring()
1091 fep->hwp + FEC_RCMR(i)); in fec_enet_enable_ring()
1094 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_enable_ring()
1095 txq = fep->tx_queue[i]; in fec_enet_enable_ring()
1096 writel(txq->bd.dma, fep->hwp + FEC_X_DES_START(i)); in fec_enet_enable_ring()
1101 fep->hwp + FEC_DMA_CFG(i)); in fec_enet_enable_ring()
1113 if (!allow_wol || !(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { in fec_ctrl_reset()
1114 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES || in fec_ctrl_reset()
1115 ((fep->quirks & FEC_QUIRK_NO_HARD_RESET) && fep->link)) { in fec_ctrl_reset()
1116 writel(0, fep->hwp + FEC_ECNTRL); in fec_ctrl_reset()
1118 writel(FEC_ECR_RESET, fep->hwp + FEC_ECNTRL); in fec_ctrl_reset()
1122 val = readl(fep->hwp + FEC_ECNTRL); in fec_ctrl_reset()
1124 writel(val, fep->hwp + FEC_ECNTRL); in fec_ctrl_reset()
1132 writel(ndev->dev_addr[3] | (ndev->dev_addr[2] << 8) | in fec_set_hw_mac_addr()
1133 (ndev->dev_addr[1] << 16) | (ndev->dev_addr[0] << 24), in fec_set_hw_mac_addr()
1134 fep->hwp + FEC_ADDR_LOW); in fec_set_hw_mac_addr()
1135 writel((ndev->dev_addr[5] << 16) | (ndev->dev_addr[4] << 24), in fec_set_hw_mac_addr()
1136 fep->hwp + FEC_ADDR_HIGH); in fec_set_hw_mac_addr()
1151 if (fep->bufdesc_ex) in fec_restart()
1157 * enet-mac reset will reset mac address registers too, in fec_restart()
1163 writel((0xffffffff & ~FEC_ENET_MII), fep->hwp + FEC_IEVENT); in fec_restart()
1170 if (fep->full_duplex == DUPLEX_FULL) { in fec_restart()
1172 writel(0x04, fep->hwp + FEC_X_CNTRL); in fec_restart()
1176 writel(0x0, fep->hwp + FEC_X_CNTRL); in fec_restart()
1180 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_restart()
1183 if (fep->quirks & FEC_QUIRK_HAS_RACC) { in fec_restart()
1184 u32 val = readl(fep->hwp + FEC_RACC); in fec_restart()
1188 if (fep->csum_flags & FLAG_RX_CSUM_ENABLED) in fec_restart()
1193 writel(val, fep->hwp + FEC_RACC); in fec_restart()
1194 writel(PKT_MAXBUF_SIZE, fep->hwp + FEC_FTRL); in fec_restart()
1200 * differently on enet-mac. in fec_restart()
1202 if (fep->quirks & FEC_QUIRK_ENET_MAC) { in fec_restart()
1207 if (phy_interface_mode_is_rgmii(fep->phy_interface)) in fec_restart()
1209 else if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) in fec_restart()
1215 if (ndev->phydev) { in fec_restart()
1216 if (ndev->phydev->speed == SPEED_1000) in fec_restart()
1218 else if (ndev->phydev->speed == SPEED_100) in fec_restart()
1225 if (fep->quirks & FEC_QUIRK_USE_GASKET) { in fec_restart()
1228 writel(0, fep->hwp + FEC_MIIGSK_ENR); in fec_restart()
1229 while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4) in fec_restart()
1237 cfgr = (fep->phy_interface == PHY_INTERFACE_MODE_RMII) in fec_restart()
1239 if (ndev->phydev && ndev->phydev->speed == SPEED_10) in fec_restart()
1241 writel(cfgr, fep->hwp + FEC_MIIGSK_CFGR); in fec_restart()
1243 /* re-enable the gasket */ in fec_restart()
1244 writel(2, fep->hwp + FEC_MIIGSK_ENR); in fec_restart()
1251 if ((fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) || in fec_restart()
1252 ((fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) && in fec_restart()
1253 ndev->phydev && ndev->phydev->pause)) { in fec_restart()
1257 writel(FEC_ENET_RSEM_V, fep->hwp + FEC_R_FIFO_RSEM); in fec_restart()
1258 writel(FEC_ENET_RSFL_V, fep->hwp + FEC_R_FIFO_RSFL); in fec_restart()
1259 writel(FEC_ENET_RAEM_V, fep->hwp + FEC_R_FIFO_RAEM); in fec_restart()
1260 writel(FEC_ENET_RAFL_V, fep->hwp + FEC_R_FIFO_RAFL); in fec_restart()
1263 writel(FEC_ENET_OPD_V, fep->hwp + FEC_OPD); in fec_restart()
1269 writel(rcntl, fep->hwp + FEC_R_CNTRL); in fec_restart()
1274 writel(0, fep->hwp + FEC_HASH_TABLE_HIGH); in fec_restart()
1275 writel(0, fep->hwp + FEC_HASH_TABLE_LOW); in fec_restart()
1278 if (fep->quirks & FEC_QUIRK_ENET_MAC) { in fec_restart()
1282 writel(FEC_TXWMRK_STRFWD, fep->hwp + FEC_X_WMRK); in fec_restart()
1285 if (fep->bufdesc_ex) in fec_restart()
1288 if (fep->quirks & FEC_QUIRK_DELAYED_CLKS_SUPPORT && in fec_restart()
1289 fep->rgmii_txc_dly) in fec_restart()
1291 if (fep->quirks & FEC_QUIRK_DELAYED_CLKS_SUPPORT && in fec_restart()
1292 fep->rgmii_rxc_dly) in fec_restart()
1297 writel(0 << 31, fep->hwp + FEC_MIB_CTRLSTAT); in fec_restart()
1301 writel(ecntl, fep->hwp + FEC_ECNTRL); in fec_restart()
1304 if (fep->bufdesc_ex) { in fec_restart()
1310 if (fep->link) in fec_restart()
1311 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_restart()
1313 writel(0, fep->hwp + FEC_IMASK); in fec_restart()
1316 if (fep->quirks & FEC_QUIRK_HAS_COALESCE) in fec_restart()
1327 return imx_scu_get_handle(&fep->ipc_handle); in fec_enet_ipc_handle_init()
1332 struct device_node *np = fep->pdev->dev.of_node; in fec_enet_ipg_stop_set()
1336 if (!np || !fep->ipc_handle) in fec_enet_ipg_stop_set()
1345 imx_sc_misc_set_control(fep->ipc_handle, rsrc_id, IMX_SC_C_IPG_STOP, val); in fec_enet_ipg_stop_set()
1350 struct fec_platform_data *pdata = fep->pdev->dev.platform_data; in fec_enet_stop_mode()
1351 struct fec_stop_mode_gpr *stop_gpr = &fep->stop_gpr; in fec_enet_stop_mode()
1353 if (stop_gpr->gpr) { in fec_enet_stop_mode()
1355 regmap_update_bits(stop_gpr->gpr, stop_gpr->reg, in fec_enet_stop_mode()
1356 BIT(stop_gpr->bit), in fec_enet_stop_mode()
1357 BIT(stop_gpr->bit)); in fec_enet_stop_mode()
1359 regmap_update_bits(stop_gpr->gpr, stop_gpr->reg, in fec_enet_stop_mode()
1360 BIT(stop_gpr->bit), 0); in fec_enet_stop_mode()
1361 } else if (pdata && pdata->sleep_mode_enable) { in fec_enet_stop_mode()
1362 pdata->sleep_mode_enable(enabled); in fec_enet_stop_mode()
1372 writel(0, fep->hwp + FEC_IMASK); in fec_irqs_disable()
1379 writel(0, fep->hwp + FEC_IMASK); in fec_irqs_disable_except_wakeup()
1380 writel(FEC_ENET_WAKEUP, fep->hwp + FEC_IMASK); in fec_irqs_disable_except_wakeup()
1387 u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & FEC_RCR_RMII; in fec_stop()
1391 if (fep->link) { in fec_stop()
1392 writel(1, fep->hwp + FEC_X_CNTRL); /* Graceful transmit stop */ in fec_stop()
1394 if (!(readl(fep->hwp + FEC_IEVENT) & FEC_ENET_GRA)) in fec_stop()
1398 if (fep->bufdesc_ex) in fec_stop()
1402 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_stop()
1403 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_stop()
1406 if (fep->quirks & FEC_QUIRK_ENET_MAC && in fec_stop()
1407 !(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { in fec_stop()
1408 writel(FEC_ECR_ETHEREN, fep->hwp + FEC_ECNTRL); in fec_stop()
1409 writel(rmii_mode, fep->hwp + FEC_R_CNTRL); in fec_stop()
1412 if (fep->bufdesc_ex) { in fec_stop()
1413 val = readl(fep->hwp + FEC_ECNTRL); in fec_stop()
1415 writel(val, fep->hwp + FEC_ECNTRL); in fec_stop()
1429 ndev->stats.tx_errors++; in fec_timeout()
1431 schedule_work(&fep->tx_timeout_work); in fec_timeout()
1438 struct net_device *ndev = fep->netdev; in fec_enet_timeout_work()
1442 napi_disable(&fep->napi); in fec_enet_timeout_work()
1447 napi_enable(&fep->napi); in fec_enet_timeout_work()
1459 spin_lock_irqsave(&fep->tmreg_lock, flags); in fec_enet_hwtstamp()
1460 ns = timecounter_cyc2time(&fep->tc, ts); in fec_enet_hwtstamp()
1461 spin_unlock_irqrestore(&fep->tmreg_lock, flags); in fec_enet_hwtstamp()
1464 hwtstamps->hwtstamp = ns_to_ktime(ns); in fec_enet_hwtstamp()
1484 txq = fep->tx_queue[queue_id]; in fec_enet_tx_queue()
1487 bdp = txq->dirty_tx; in fec_enet_tx_queue()
1490 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_tx_queue()
1492 while (bdp != READ_ONCE(txq->bd.cur)) { in fec_enet_tx_queue()
1495 status = fec16_to_cpu(READ_ONCE(bdp->cbd_sc)); in fec_enet_tx_queue()
1499 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_tx_queue()
1501 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) { in fec_enet_tx_queue()
1502 skb = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1503 if (bdp->cbd_bufaddr && in fec_enet_tx_queue()
1504 !IS_TSO_HEADER(txq, fec32_to_cpu(bdp->cbd_bufaddr))) in fec_enet_tx_queue()
1505 dma_unmap_single(&fep->pdev->dev, in fec_enet_tx_queue()
1506 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_tx_queue()
1507 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_tx_queue()
1509 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_tx_queue()
1521 if (txq->tx_buf[index].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_tx_queue()
1522 xdpf = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1523 if (bdp->cbd_bufaddr) in fec_enet_tx_queue()
1524 dma_unmap_single(&fep->pdev->dev, in fec_enet_tx_queue()
1525 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_tx_queue()
1526 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_tx_queue()
1529 page = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1532 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_tx_queue()
1533 if (unlikely(!txq->tx_buf[index].buf_p)) { in fec_enet_tx_queue()
1534 txq->tx_buf[index].type = FEC_TXBUF_T_SKB; in fec_enet_tx_queue()
1538 frame_len = fec16_to_cpu(bdp->cbd_datlen); in fec_enet_tx_queue()
1545 ndev->stats.tx_errors++; in fec_enet_tx_queue()
1547 ndev->stats.tx_heartbeat_errors++; in fec_enet_tx_queue()
1549 ndev->stats.tx_window_errors++; in fec_enet_tx_queue()
1551 ndev->stats.tx_aborted_errors++; in fec_enet_tx_queue()
1553 ndev->stats.tx_fifo_errors++; in fec_enet_tx_queue()
1555 ndev->stats.tx_carrier_errors++; in fec_enet_tx_queue()
1557 ndev->stats.tx_packets++; in fec_enet_tx_queue()
1559 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) in fec_enet_tx_queue()
1560 ndev->stats.tx_bytes += skb->len; in fec_enet_tx_queue()
1562 ndev->stats.tx_bytes += frame_len; in fec_enet_tx_queue()
1569 ndev->stats.collisions++; in fec_enet_tx_queue()
1571 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) { in fec_enet_tx_queue()
1576 if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS && in fec_enet_tx_queue()
1577 fep->hwts_tx_en) && fep->bufdesc_ex) { in fec_enet_tx_queue()
1581 fec_enet_hwtstamp(fep, fec32_to_cpu(ebdp->ts), &shhwtstamps); in fec_enet_tx_queue()
1587 } else if (txq->tx_buf[index].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_tx_queue()
1591 page_pool_put_page(pp_page_to_nmdesc(page)->pp, page, in fec_enet_tx_queue()
1595 txq->tx_buf[index].buf_p = NULL; in fec_enet_tx_queue()
1597 txq->tx_buf[index].type = FEC_TXBUF_T_SKB; in fec_enet_tx_queue()
1604 txq->dirty_tx = bdp; in fec_enet_tx_queue()
1607 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_tx_queue()
1613 if (entries_free >= txq->tx_wake_threshold) in fec_enet_tx_queue()
1619 if (bdp != txq->bd.cur && in fec_enet_tx_queue()
1620 readl(txq->bd.reg_desc_active) == 0) in fec_enet_tx_queue()
1621 writel(0, txq->bd.reg_desc_active); in fec_enet_tx_queue()
1630 for (i = fep->num_tx_queues - 1; i >= 0; i--) in fec_enet_tx()
1640 new_page = page_pool_dev_alloc_pages(rxq->page_pool); in fec_enet_update_cbd()
1642 return -ENOMEM; in fec_enet_update_cbd()
1644 rxq->rx_skb_info[index].page = new_page; in fec_enet_update_cbd()
1645 rxq->rx_skb_info[index].offset = FEC_ENET_XDP_HEADROOM; in fec_enet_update_cbd()
1647 bdp->cbd_bufaddr = cpu_to_fec32(phys_addr); in fec_enet_update_cbd()
1656 unsigned int sync, len = xdp->data_end - xdp->data; in fec_enet_run_xdp()
1667 sync = xdp->data_end - xdp->data; in fec_enet_run_xdp()
1672 rxq->stats[RX_XDP_PASS]++; in fec_enet_run_xdp()
1677 rxq->stats[RX_XDP_REDIRECT]++; in fec_enet_run_xdp()
1678 err = xdp_do_redirect(fep->netdev, xdp, prog); in fec_enet_run_xdp()
1686 rxq->stats[RX_XDP_TX]++; in fec_enet_run_xdp()
1689 rxq->stats[RX_XDP_TX_ERRORS]++; in fec_enet_run_xdp()
1697 bpf_warn_invalid_xdp_action(fep->netdev, prog, act); in fec_enet_run_xdp()
1704 rxq->stats[RX_XDP_DROP]++; in fec_enet_run_xdp()
1707 page = virt_to_head_page(xdp->data); in fec_enet_run_xdp()
1708 page_pool_put_page(rxq->page_pool, page, sync, true); in fec_enet_run_xdp()
1710 trace_xdp_exception(fep->netdev, prog, act); in fec_enet_run_xdp()
1719 if (ndev->features & NETIF_F_HW_VLAN_CTAG_RX) { in fec_enet_rx_vlan()
1721 const u16 vlan_tag = ntohs(vlan_header->h_vlan_TCI); in fec_enet_rx_vlan()
1725 memmove(skb->data + VLAN_HLEN, skb->data, ETH_ALEN * 2); in fec_enet_rx_vlan()
1750 bool need_swap = fep->quirks & FEC_QUIRK_SWAP_FRAME; in fec_enet_rx_queue()
1751 struct bpf_prog *xdp_prog = READ_ONCE(fep->xdp_prog); in fec_enet_rx_queue()
1764 if (fep->quirks & FEC_QUIRK_HAS_RACC) { in fec_enet_rx_queue()
1777 rxq = fep->rx_queue[queue_id]; in fec_enet_rx_queue()
1782 bdp = rxq->bd.cur; in fec_enet_rx_queue()
1783 xdp_init_buff(&xdp, PAGE_SIZE, &rxq->xdp_rxq); in fec_enet_rx_queue()
1785 while (!((status = fec16_to_cpu(bdp->cbd_sc)) & BD_ENET_RX_EMPTY)) { in fec_enet_rx_queue()
1791 writel(FEC_ENET_RXF_GET(queue_id), fep->hwp + FEC_IEVENT); in fec_enet_rx_queue()
1798 ndev->stats.rx_errors++; in fec_enet_rx_queue()
1801 ndev->stats.rx_fifo_errors++; in fec_enet_rx_queue()
1807 ndev->stats.rx_length_errors++; in fec_enet_rx_queue()
1812 ndev->stats.rx_crc_errors++; in fec_enet_rx_queue()
1815 ndev->stats.rx_frame_errors++; in fec_enet_rx_queue()
1820 ndev->stats.rx_packets++; in fec_enet_rx_queue()
1821 pkt_len = fec16_to_cpu(bdp->cbd_datlen); in fec_enet_rx_queue()
1822 ndev->stats.rx_bytes += pkt_len; in fec_enet_rx_queue()
1824 index = fec_enet_get_bd_index(bdp, &rxq->bd); in fec_enet_rx_queue()
1825 page = rxq->rx_skb_info[index].page; in fec_enet_rx_queue()
1826 cbd_bufaddr = bdp->cbd_bufaddr; in fec_enet_rx_queue()
1828 ndev->stats.rx_dropped++; in fec_enet_rx_queue()
1832 dma_sync_single_for_cpu(&fep->pdev->dev, in fec_enet_rx_queue()
1842 data_start, pkt_len - sub_len, false); in fec_enet_rx_queue()
1855 page_pool_recycle_direct(rxq->page_pool, page); in fec_enet_rx_queue()
1856 ndev->stats.rx_dropped++; in fec_enet_rx_queue()
1863 skb_put(skb, pkt_len - sub_len); in fec_enet_rx_queue()
1875 if (fep->bufdesc_ex) in fec_enet_rx_queue()
1879 if (fep->bufdesc_ex && in fec_enet_rx_queue()
1880 (ebdp->cbd_esc & cpu_to_fec32(BD_ENET_RX_VLAN))) in fec_enet_rx_queue()
1883 skb->protocol = eth_type_trans(skb, ndev); in fec_enet_rx_queue()
1886 if (fep->hwts_rx_en && fep->bufdesc_ex) in fec_enet_rx_queue()
1887 fec_enet_hwtstamp(fep, fec32_to_cpu(ebdp->ts), in fec_enet_rx_queue()
1890 if (fep->bufdesc_ex && in fec_enet_rx_queue()
1891 (fep->csum_flags & FLAG_RX_CSUM_ENABLED)) { in fec_enet_rx_queue()
1892 if (!(ebdp->cbd_esc & cpu_to_fec32(FLAG_RX_CSUM_ERROR))) { in fec_enet_rx_queue()
1894 skb->ip_summed = CHECKSUM_UNNECESSARY; in fec_enet_rx_queue()
1901 napi_gro_receive(&fep->napi, skb); in fec_enet_rx_queue()
1910 if (fep->bufdesc_ex) { in fec_enet_rx_queue()
1913 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_RX_INT); in fec_enet_rx_queue()
1914 ebdp->cbd_prot = 0; in fec_enet_rx_queue()
1915 ebdp->cbd_bdu = 0; in fec_enet_rx_queue()
1921 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_rx_queue()
1924 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_rx_queue()
1930 writel(0, rxq->bd.reg_desc_active); in fec_enet_rx_queue()
1932 rxq->bd.cur = bdp; in fec_enet_rx_queue()
1946 for (i = fep->num_rx_queues - 1; i >= 0; i--) in fec_enet_rx()
1947 done += fec_enet_rx_queue(ndev, i, budget - done); in fec_enet_rx()
1956 int_events = readl(fep->hwp + FEC_IEVENT); in fec_enet_collect_events()
1961 writel(int_events, fep->hwp + FEC_IEVENT); in fec_enet_collect_events()
1973 if (fec_enet_collect_events(fep) && fep->link) { in fec_enet_interrupt()
1976 if (napi_schedule_prep(&fep->napi)) { in fec_enet_interrupt()
1978 writel(0, fep->hwp + FEC_IMASK); in fec_enet_interrupt()
1979 __napi_schedule(&fep->napi); in fec_enet_interrupt()
1988 struct net_device *ndev = napi->dev; in fec_enet_rx_napi()
1993 done += fec_enet_rx(ndev, budget - done); in fec_enet_rx_napi()
1999 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_enet_rx_napi()
2005 /* ------------------------------------------------------------------------- */
2024 struct device_node *np = fep->pdev->dev.of_node; in fec_get_mac()
2029 else if (ret == -EPROBE_DEFER) in fec_get_mac()
2042 struct fec_platform_data *pdata = dev_get_platdata(&fep->pdev->dev); in fec_get_mac()
2045 iap = (unsigned char *)&pdata->mac; in fec_get_mac()
2054 cpu_to_be32(readl(fep->hwp + FEC_ADDR_LOW)); in fec_get_mac()
2056 cpu_to_be16(readl(fep->hwp + FEC_ADDR_HIGH) >> 16); in fec_get_mac()
2065 dev_err(&fep->pdev->dev, "Invalid MAC address: %pM\n", iap); in fec_get_mac()
2067 dev_info(&fep->pdev->dev, "Using random MAC address: %pM\n", in fec_get_mac()
2068 ndev->dev_addr); in fec_get_mac()
2073 eth_hw_addr_gen(ndev, iap, iap == macaddr ? fep->dev_id : 0); in fec_get_mac()
2078 /* ------------------------------------------------------------------------- */
2091 return us * (fep->clk_ref_rate / 1000) / 1000; in fec_enet_us_to_tx_cycle()
2108 writel(sleep_cycle, fep->hwp + FEC_LPI_SLEEP); in fec_enet_eee_mode_set()
2109 writel(wake_cycle, fep->hwp + FEC_LPI_WAKE); in fec_enet_eee_mode_set()
2117 struct phy_device *phy_dev = ndev->phydev; in fec_enet_adjust_link()
2126 fep->link = 0; in fec_enet_adjust_link()
2127 } else if (phy_dev->link) { in fec_enet_adjust_link()
2128 if (!fep->link) { in fec_enet_adjust_link()
2129 fep->link = phy_dev->link; in fec_enet_adjust_link()
2133 if (fep->full_duplex != phy_dev->duplex) { in fec_enet_adjust_link()
2134 fep->full_duplex = phy_dev->duplex; in fec_enet_adjust_link()
2138 if (phy_dev->speed != fep->speed) { in fec_enet_adjust_link()
2139 fep->speed = phy_dev->speed; in fec_enet_adjust_link()
2146 napi_disable(&fep->napi); in fec_enet_adjust_link()
2151 napi_enable(&fep->napi); in fec_enet_adjust_link()
2153 if (fep->quirks & FEC_QUIRK_HAS_EEE) in fec_enet_adjust_link()
2155 phy_dev->eee_cfg.tx_lpi_timer, in fec_enet_adjust_link()
2156 phy_dev->enable_tx_lpi); in fec_enet_adjust_link()
2158 if (fep->link) { in fec_enet_adjust_link()
2160 napi_disable(&fep->napi); in fec_enet_adjust_link()
2164 napi_enable(&fep->napi); in fec_enet_adjust_link()
2165 fep->link = phy_dev->link; in fec_enet_adjust_link()
2179 ret = readl_poll_timeout_atomic(fep->hwp + FEC_IEVENT, ievent, in fec_enet_mdio_wait()
2183 writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT); in fec_enet_mdio_wait()
2190 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_read_c22()
2191 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_read_c22()
2206 FEC_MMFR_TA, fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c22()
2211 netdev_err(fep->netdev, "MDIO read timeout\n"); in fec_enet_mdio_read_c22()
2215 ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); in fec_enet_mdio_read_c22()
2227 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_read_c45()
2228 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_read_c45()
2241 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c45()
2246 netdev_err(fep->netdev, "MDIO address write timeout\n"); in fec_enet_mdio_read_c45()
2255 FEC_MMFR_TA, fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c45()
2260 netdev_err(fep->netdev, "MDIO read timeout\n"); in fec_enet_mdio_read_c45()
2264 ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); in fec_enet_mdio_read_c45()
2276 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_write_c22()
2277 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_write_c22()
2292 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c22()
2297 netdev_err(fep->netdev, "MDIO write timeout\n"); in fec_enet_mdio_write_c22()
2308 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_write_c45()
2309 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_write_c45()
2322 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c45()
2327 netdev_err(fep->netdev, "MDIO address write timeout\n"); in fec_enet_mdio_write_c45()
2335 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c45()
2340 netdev_err(fep->netdev, "MDIO write timeout\n"); in fec_enet_mdio_write_c45()
2352 struct phy_device *phy_dev = ndev->phydev; in fec_enet_phy_reset_after_clk_enable()
2356 } else if (fep->phy_node) { in fec_enet_phy_reset_after_clk_enable()
2364 phy_dev = of_phy_find_device(fep->phy_node); in fec_enet_phy_reset_after_clk_enable()
2366 put_device(&phy_dev->mdio.dev); in fec_enet_phy_reset_after_clk_enable()
2376 ret = clk_prepare_enable(fep->clk_enet_out); in fec_enet_clk_enable()
2380 if (fep->clk_ptp) { in fec_enet_clk_enable()
2381 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2382 ret = clk_prepare_enable(fep->clk_ptp); in fec_enet_clk_enable()
2384 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2387 fep->ptp_clk_on = true; in fec_enet_clk_enable()
2389 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2392 ret = clk_prepare_enable(fep->clk_ref); in fec_enet_clk_enable()
2396 ret = clk_prepare_enable(fep->clk_2x_txclk); in fec_enet_clk_enable()
2402 clk_disable_unprepare(fep->clk_enet_out); in fec_enet_clk_enable()
2403 if (fep->clk_ptp) { in fec_enet_clk_enable()
2404 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2405 clk_disable_unprepare(fep->clk_ptp); in fec_enet_clk_enable()
2406 fep->ptp_clk_on = false; in fec_enet_clk_enable()
2407 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2409 clk_disable_unprepare(fep->clk_ref); in fec_enet_clk_enable()
2410 clk_disable_unprepare(fep->clk_2x_txclk); in fec_enet_clk_enable()
2416 if (fep->clk_ref) in fec_enet_clk_enable()
2417 clk_disable_unprepare(fep->clk_ref); in fec_enet_clk_enable()
2419 if (fep->clk_ptp) { in fec_enet_clk_enable()
2420 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2421 clk_disable_unprepare(fep->clk_ptp); in fec_enet_clk_enable()
2422 fep->ptp_clk_on = false; in fec_enet_clk_enable()
2423 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2426 clk_disable_unprepare(fep->clk_enet_out); in fec_enet_clk_enable()
2437 if (!of_property_read_u32(np, "tx-internal-delay-ps", &rgmii_tx_delay)) { in fec_enet_parse_rgmii_delay()
2439 dev_err(&fep->pdev->dev, "The only allowed RGMII TX delay values are: 0ps, 2000ps"); in fec_enet_parse_rgmii_delay()
2440 return -EINVAL; in fec_enet_parse_rgmii_delay()
2442 fep->rgmii_txc_dly = true; in fec_enet_parse_rgmii_delay()
2447 if (!of_property_read_u32(np, "rx-internal-delay-ps", &rgmii_rx_delay)) { in fec_enet_parse_rgmii_delay()
2449 dev_err(&fep->pdev->dev, "The only allowed RGMII RX delay values are: 0ps, 2000ps"); in fec_enet_parse_rgmii_delay()
2450 return -EINVAL; in fec_enet_parse_rgmii_delay()
2452 fep->rgmii_rxc_dly = true; in fec_enet_parse_rgmii_delay()
2466 int dev_id = fep->dev_id; in fec_enet_mii_probe()
2468 if (fep->phy_node) { in fec_enet_mii_probe()
2469 phy_dev = of_phy_connect(ndev, fep->phy_node, in fec_enet_mii_probe()
2471 fep->phy_interface); in fec_enet_mii_probe()
2474 return -ENODEV; in fec_enet_mii_probe()
2479 if (!mdiobus_is_registered_device(fep->mii_bus, phy_id)) in fec_enet_mii_probe()
2481 if (dev_id--) in fec_enet_mii_probe()
2483 strscpy(mdio_bus_id, fep->mii_bus->id, MII_BUS_ID_SIZE); in fec_enet_mii_probe()
2489 strscpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); in fec_enet_mii_probe()
2496 fep->phy_interface); in fec_enet_mii_probe()
2505 if (fep->quirks & FEC_QUIRK_HAS_GBIT) { in fec_enet_mii_probe()
2516 if (fep->quirks & FEC_QUIRK_HAS_EEE) in fec_enet_mii_probe()
2519 fep->link = 0; in fec_enet_mii_probe()
2520 fep->full_duplex = 0; in fec_enet_mii_probe()
2535 int err = -ENXIO; in fec_enet_mii_init()
2544 * - fec0 supports MII & RMII modes while fec1 only supports RMII in fec_enet_mii_init()
2545 * - fec0 acts as the 1588 time master while fec1 is slave in fec_enet_mii_init()
2546 * - external phys can only be configured by fec0 in fec_enet_mii_init()
2556 if ((fep->quirks & FEC_QUIRK_SINGLE_MDIO) && fep->dev_id > 0) { in fec_enet_mii_init()
2559 fep->mii_bus = fec0_mii_bus; in fec_enet_mii_init()
2563 return -ENOENT; in fec_enet_mii_init()
2567 node = of_get_child_by_name(pdev->dev.of_node, "mdio"); in fec_enet_mii_init()
2569 of_property_read_u32(node, "clock-frequency", &bus_freq); in fec_enet_mii_init()
2571 "suppress-preamble"); in fec_enet_mii_init()
2578 * for ENET-MAC is 'ref_freq / ((MII_SPEED + 1) x 2)'. The i.MX28 in fec_enet_mii_init()
2582 mii_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), bus_freq * 2); in fec_enet_mii_init()
2583 if (fep->quirks & FEC_QUIRK_ENET_MAC) in fec_enet_mii_init()
2584 mii_speed--; in fec_enet_mii_init()
2586 dev_err(&pdev->dev, in fec_enet_mii_init()
2588 clk_get_rate(fep->clk_ipg)); in fec_enet_mii_init()
2589 err = -EINVAL; in fec_enet_mii_init()
2605 holdtime = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), 100000000) - 1; in fec_enet_mii_init()
2607 fep->phy_speed = mii_speed << 1 | holdtime << 8; in fec_enet_mii_init()
2610 fep->phy_speed |= BIT(7); in fec_enet_mii_init()
2612 if (fep->quirks & FEC_QUIRK_CLEAR_SETUP_MII) { in fec_enet_mii_init()
2615 * - writing MSCR: in fec_enet_mii_init()
2616 * - mmfr[31:0]_not_zero & mscr[7:0]_is_zero & in fec_enet_mii_init()
2618 * - writing MMFR: in fec_enet_mii_init()
2619 * - mscr[7:0]_not_zero in fec_enet_mii_init()
2621 writel(0, fep->hwp + FEC_MII_DATA); in fec_enet_mii_init()
2624 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_enet_mii_init()
2627 writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT); in fec_enet_mii_init()
2629 fep->mii_bus = mdiobus_alloc(); in fec_enet_mii_init()
2630 if (fep->mii_bus == NULL) { in fec_enet_mii_init()
2631 err = -ENOMEM; in fec_enet_mii_init()
2635 fep->mii_bus->name = "fec_enet_mii_bus"; in fec_enet_mii_init()
2636 fep->mii_bus->read = fec_enet_mdio_read_c22; in fec_enet_mii_init()
2637 fep->mii_bus->write = fec_enet_mdio_write_c22; in fec_enet_mii_init()
2638 if (fep->quirks & FEC_QUIRK_HAS_MDIO_C45) { in fec_enet_mii_init()
2639 fep->mii_bus->read_c45 = fec_enet_mdio_read_c45; in fec_enet_mii_init()
2640 fep->mii_bus->write_c45 = fec_enet_mdio_write_c45; in fec_enet_mii_init()
2642 snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", in fec_enet_mii_init()
2643 pdev->name, fep->dev_id + 1); in fec_enet_mii_init()
2644 fep->mii_bus->priv = fep; in fec_enet_mii_init()
2645 fep->mii_bus->parent = &pdev->dev; in fec_enet_mii_init()
2647 err = of_mdiobus_register(fep->mii_bus, node); in fec_enet_mii_init()
2654 phydev = mdiobus_get_phy(fep->mii_bus, addr); in fec_enet_mii_init()
2656 phydev->mac_managed_pm = true; in fec_enet_mii_init()
2662 if (fep->quirks & FEC_QUIRK_SINGLE_MDIO) in fec_enet_mii_init()
2663 fec0_mii_bus = fep->mii_bus; in fec_enet_mii_init()
2668 mdiobus_free(fep->mii_bus); in fec_enet_mii_init()
2676 if (--mii_cnt == 0) { in fec_enet_mii_remove()
2677 mdiobus_unregister(fep->mii_bus); in fec_enet_mii_remove()
2678 mdiobus_free(fep->mii_bus); in fec_enet_mii_remove()
2687 strscpy(info->driver, fep->pdev->dev.driver->name, in fec_enet_get_drvinfo()
2688 sizeof(info->driver)); in fec_enet_get_drvinfo()
2689 strscpy(info->bus_info, dev_name(&ndev->dev), sizeof(info->bus_info)); in fec_enet_get_drvinfo()
2698 r = platform_get_resource(fep->pdev, IORESOURCE_MEM, 0); in fec_enet_get_regs_len()
2783 u32 __iomem *theregs = (u32 __iomem *)fep->hwp; in fec_enet_get_regs()
2784 struct device *dev = &fep->pdev->dev; in fec_enet_get_regs()
2810 regs->version = fec_enet_register_version; in fec_enet_get_regs()
2812 memset(buf, 0, regs->len); in fec_enet_get_regs()
2818 !(fep->quirks & FEC_QUIRK_HAS_FRREG)) in fec_enet_get_regs()
2834 if (fep->bufdesc_ex) { in fec_enet_get_ts_info()
2836 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | in fec_enet_get_ts_info()
2840 if (fep->ptp_clock) in fec_enet_get_ts_info()
2841 info->phc_index = ptp_clock_index(fep->ptp_clock); in fec_enet_get_ts_info()
2843 info->tx_types = (1 << HWTSTAMP_TX_OFF) | in fec_enet_get_ts_info()
2846 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | in fec_enet_get_ts_info()
2861 pause->autoneg = (fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) != 0; in fec_enet_get_pauseparam()
2862 pause->tx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) != 0; in fec_enet_get_pauseparam()
2863 pause->rx_pause = pause->tx_pause; in fec_enet_get_pauseparam()
2871 if (!ndev->phydev) in fec_enet_set_pauseparam()
2872 return -ENODEV; in fec_enet_set_pauseparam()
2874 if (pause->tx_pause != pause->rx_pause) { in fec_enet_set_pauseparam()
2877 return -EINVAL; in fec_enet_set_pauseparam()
2880 fep->pause_flag = 0; in fec_enet_set_pauseparam()
2883 fep->pause_flag |= pause->rx_pause ? FEC_PAUSE_FLAG_ENABLE : 0; in fec_enet_set_pauseparam()
2884 fep->pause_flag |= pause->autoneg ? FEC_PAUSE_FLAG_AUTONEG : 0; in fec_enet_set_pauseparam()
2886 phy_set_sym_pause(ndev->phydev, pause->rx_pause, pause->tx_pause, in fec_enet_set_pauseparam()
2887 pause->autoneg); in fec_enet_set_pauseparam()
2889 if (pause->autoneg) { in fec_enet_set_pauseparam()
2892 phy_start_aneg(ndev->phydev); in fec_enet_set_pauseparam()
2895 napi_disable(&fep->napi); in fec_enet_set_pauseparam()
2900 napi_enable(&fep->napi); in fec_enet_set_pauseparam()
2990 fep->ethtool_stats[i] = readl(fep->hwp + fec_stats[i].offset); in fec_enet_update_ethtool_stats()
2999 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_get_xdp_stats()
3000 rxq = fep->rx_queue[i]; in fec_enet_get_xdp_stats()
3003 xdp_stats[j] += rxq->stats[j]; in fec_enet_get_xdp_stats()
3016 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_page_pool_stats()
3017 rxq = fep->rx_queue[i]; in fec_enet_page_pool_stats()
3019 if (!rxq->page_pool) in fec_enet_page_pool_stats()
3022 page_pool_get_stats(rxq->page_pool, &stats); in fec_enet_page_pool_stats()
3037 memcpy(data, fep->ethtool_stats, FEC_STATS_SIZE); in fec_enet_get_ethtool_stats()
3080 return -EOPNOTSUPP; in fec_enet_get_sset_count()
3091 writel(FEC_MIB_CTRLSTAT_DISABLE, fep->hwp + FEC_MIB_CTRLSTAT); in fec_enet_clear_ethtool_stats()
3094 writel(0, fep->hwp + fec_stats[i].offset); in fec_enet_clear_ethtool_stats()
3096 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_clear_ethtool_stats()
3097 rxq = fep->rx_queue[i]; in fec_enet_clear_ethtool_stats()
3099 rxq->stats[j] = 0; in fec_enet_clear_ethtool_stats()
3103 writel(0, fep->hwp + FEC_MIB_CTRLSTAT); in fec_enet_clear_ethtool_stats()
3125 return us * (fep->itr_clk_rate / 64000) / 1000; in fec_enet_us_to_itr_clock()
3135 rx_ictt = fec_enet_us_to_itr_clock(ndev, fep->rx_time_itr); in fec_enet_itr_coal_set()
3136 tx_ictt = fec_enet_us_to_itr_clock(ndev, fep->tx_time_itr); in fec_enet_itr_coal_set()
3138 if (rx_ictt > 0 && fep->rx_pkts_itr > 1) { in fec_enet_itr_coal_set()
3141 rx_itr |= FEC_ITR_ICFT(fep->rx_pkts_itr); in fec_enet_itr_coal_set()
3145 if (tx_ictt > 0 && fep->tx_pkts_itr > 1) { in fec_enet_itr_coal_set()
3148 tx_itr |= FEC_ITR_ICFT(fep->tx_pkts_itr); in fec_enet_itr_coal_set()
3152 writel(tx_itr, fep->hwp + FEC_TXIC0); in fec_enet_itr_coal_set()
3153 writel(rx_itr, fep->hwp + FEC_RXIC0); in fec_enet_itr_coal_set()
3154 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { in fec_enet_itr_coal_set()
3155 writel(tx_itr, fep->hwp + FEC_TXIC1); in fec_enet_itr_coal_set()
3156 writel(rx_itr, fep->hwp + FEC_RXIC1); in fec_enet_itr_coal_set()
3157 writel(tx_itr, fep->hwp + FEC_TXIC2); in fec_enet_itr_coal_set()
3158 writel(rx_itr, fep->hwp + FEC_RXIC2); in fec_enet_itr_coal_set()
3169 if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE)) in fec_enet_get_coalesce()
3170 return -EOPNOTSUPP; in fec_enet_get_coalesce()
3172 ec->rx_coalesce_usecs = fep->rx_time_itr; in fec_enet_get_coalesce()
3173 ec->rx_max_coalesced_frames = fep->rx_pkts_itr; in fec_enet_get_coalesce()
3175 ec->tx_coalesce_usecs = fep->tx_time_itr; in fec_enet_get_coalesce()
3176 ec->tx_max_coalesced_frames = fep->tx_pkts_itr; in fec_enet_get_coalesce()
3187 struct device *dev = &fep->pdev->dev; in fec_enet_set_coalesce()
3190 if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE)) in fec_enet_set_coalesce()
3191 return -EOPNOTSUPP; in fec_enet_set_coalesce()
3193 if (ec->rx_max_coalesced_frames > 255) { in fec_enet_set_coalesce()
3195 return -EINVAL; in fec_enet_set_coalesce()
3198 if (ec->tx_max_coalesced_frames > 255) { in fec_enet_set_coalesce()
3200 return -EINVAL; in fec_enet_set_coalesce()
3203 cycle = fec_enet_us_to_itr_clock(ndev, ec->rx_coalesce_usecs); in fec_enet_set_coalesce()
3206 return -EINVAL; in fec_enet_set_coalesce()
3209 cycle = fec_enet_us_to_itr_clock(ndev, ec->tx_coalesce_usecs); in fec_enet_set_coalesce()
3212 return -EINVAL; in fec_enet_set_coalesce()
3215 fep->rx_time_itr = ec->rx_coalesce_usecs; in fec_enet_set_coalesce()
3216 fep->rx_pkts_itr = ec->rx_max_coalesced_frames; in fec_enet_set_coalesce()
3218 fep->tx_time_itr = ec->tx_coalesce_usecs; in fec_enet_set_coalesce()
3219 fep->tx_pkts_itr = ec->tx_max_coalesced_frames; in fec_enet_set_coalesce()
3231 if (!(fep->quirks & FEC_QUIRK_HAS_EEE)) in fec_enet_get_eee()
3232 return -EOPNOTSUPP; in fec_enet_get_eee()
3235 return -ENETDOWN; in fec_enet_get_eee()
3237 return phy_ethtool_get_eee(ndev->phydev, edata); in fec_enet_get_eee()
3245 if (!(fep->quirks & FEC_QUIRK_HAS_EEE)) in fec_enet_set_eee()
3246 return -EOPNOTSUPP; in fec_enet_set_eee()
3249 return -ENETDOWN; in fec_enet_set_eee()
3251 return phy_ethtool_set_eee(ndev->phydev, edata); in fec_enet_set_eee()
3259 if (fep->wol_flag & FEC_WOL_HAS_MAGIC_PACKET) { in fec_enet_get_wol()
3260 wol->supported = WAKE_MAGIC; in fec_enet_get_wol()
3261 wol->wolopts = fep->wol_flag & FEC_WOL_FLAG_ENABLE ? WAKE_MAGIC : 0; in fec_enet_get_wol()
3263 wol->supported = wol->wolopts = 0; in fec_enet_get_wol()
3272 if (!(fep->wol_flag & FEC_WOL_HAS_MAGIC_PACKET)) in fec_enet_set_wol()
3273 return -EINVAL; in fec_enet_set_wol()
3275 if (wol->wolopts & ~WAKE_MAGIC) in fec_enet_set_wol()
3276 return -EINVAL; in fec_enet_set_wol()
3278 device_set_wakeup_enable(&ndev->dev, wol->wolopts & WAKE_MAGIC); in fec_enet_set_wol()
3279 if (device_may_wakeup(&ndev->dev)) in fec_enet_set_wol()
3280 fep->wol_flag |= FEC_WOL_FLAG_ENABLE; in fec_enet_set_wol()
3282 fep->wol_flag &= (~FEC_WOL_FLAG_ENABLE); in fec_enet_set_wol()
3322 for (q = 0; q < fep->num_rx_queues; q++) { in fec_enet_free_buffers()
3323 rxq = fep->rx_queue[q]; in fec_enet_free_buffers()
3324 for (i = 0; i < rxq->bd.ring_size; i++) in fec_enet_free_buffers()
3325 page_pool_put_full_page(rxq->page_pool, rxq->rx_skb_info[i].page, false); in fec_enet_free_buffers()
3328 rxq->stats[i] = 0; in fec_enet_free_buffers()
3330 if (xdp_rxq_info_is_reg(&rxq->xdp_rxq)) in fec_enet_free_buffers()
3331 xdp_rxq_info_unreg(&rxq->xdp_rxq); in fec_enet_free_buffers()
3332 page_pool_destroy(rxq->page_pool); in fec_enet_free_buffers()
3333 rxq->page_pool = NULL; in fec_enet_free_buffers()
3336 for (q = 0; q < fep->num_tx_queues; q++) { in fec_enet_free_buffers()
3337 txq = fep->tx_queue[q]; in fec_enet_free_buffers()
3338 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_free_buffers()
3339 kfree(txq->tx_bounce[i]); in fec_enet_free_buffers()
3340 txq->tx_bounce[i] = NULL; in fec_enet_free_buffers()
3342 if (!txq->tx_buf[i].buf_p) { in fec_enet_free_buffers()
3343 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_free_buffers()
3347 if (txq->tx_buf[i].type == FEC_TXBUF_T_SKB) { in fec_enet_free_buffers()
3348 dev_kfree_skb(txq->tx_buf[i].buf_p); in fec_enet_free_buffers()
3349 } else if (txq->tx_buf[i].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_free_buffers()
3350 xdp_return_frame(txq->tx_buf[i].buf_p); in fec_enet_free_buffers()
3352 struct page *page = txq->tx_buf[i].buf_p; in fec_enet_free_buffers()
3354 page_pool_put_page(pp_page_to_nmdesc(page)->pp, in fec_enet_free_buffers()
3358 txq->tx_buf[i].buf_p = NULL; in fec_enet_free_buffers()
3359 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_free_buffers()
3370 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_free_queue()
3371 if (fep->tx_queue[i] && fep->tx_queue[i]->tso_hdrs) { in fec_enet_free_queue()
3372 txq = fep->tx_queue[i]; in fec_enet_free_queue()
3373 fec_dma_free(&fep->pdev->dev, in fec_enet_free_queue()
3374 txq->bd.ring_size * TSO_HEADER_SIZE, in fec_enet_free_queue()
3375 txq->tso_hdrs, txq->tso_hdrs_dma); in fec_enet_free_queue()
3378 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_free_queue()
3379 kfree(fep->rx_queue[i]); in fec_enet_free_queue()
3380 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_free_queue()
3381 kfree(fep->tx_queue[i]); in fec_enet_free_queue()
3391 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_alloc_queue()
3394 ret = -ENOMEM; in fec_enet_alloc_queue()
3398 fep->tx_queue[i] = txq; in fec_enet_alloc_queue()
3399 txq->bd.ring_size = TX_RING_SIZE; in fec_enet_alloc_queue()
3400 fep->total_tx_ring_size += fep->tx_queue[i]->bd.ring_size; in fec_enet_alloc_queue()
3402 txq->tx_stop_threshold = FEC_MAX_SKB_DESCS; in fec_enet_alloc_queue()
3403 txq->tx_wake_threshold = FEC_MAX_SKB_DESCS + 2 * MAX_SKB_FRAGS; in fec_enet_alloc_queue()
3405 txq->tso_hdrs = fec_dma_alloc(&fep->pdev->dev, in fec_enet_alloc_queue()
3406 txq->bd.ring_size * TSO_HEADER_SIZE, in fec_enet_alloc_queue()
3407 &txq->tso_hdrs_dma, GFP_KERNEL); in fec_enet_alloc_queue()
3408 if (!txq->tso_hdrs) { in fec_enet_alloc_queue()
3409 ret = -ENOMEM; in fec_enet_alloc_queue()
3414 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_alloc_queue()
3415 fep->rx_queue[i] = kzalloc(sizeof(*fep->rx_queue[i]), in fec_enet_alloc_queue()
3417 if (!fep->rx_queue[i]) { in fec_enet_alloc_queue()
3418 ret = -ENOMEM; in fec_enet_alloc_queue()
3422 fep->rx_queue[i]->bd.ring_size = RX_RING_SIZE; in fec_enet_alloc_queue()
3423 fep->total_rx_ring_size += fep->rx_queue[i]->bd.ring_size; in fec_enet_alloc_queue()
3442 rxq = fep->rx_queue[queue]; in fec_enet_alloc_rxq_buffers()
3443 bdp = rxq->bd.base; in fec_enet_alloc_rxq_buffers()
3445 err = fec_enet_create_page_pool(fep, rxq, rxq->bd.ring_size); in fec_enet_alloc_rxq_buffers()
3451 for (i = 0; i < rxq->bd.ring_size; i++) { in fec_enet_alloc_rxq_buffers()
3452 page = page_pool_dev_alloc_pages(rxq->page_pool); in fec_enet_alloc_rxq_buffers()
3457 bdp->cbd_bufaddr = cpu_to_fec32(phys_addr); in fec_enet_alloc_rxq_buffers()
3459 rxq->rx_skb_info[i].page = page; in fec_enet_alloc_rxq_buffers()
3460 rxq->rx_skb_info[i].offset = FEC_ENET_XDP_HEADROOM; in fec_enet_alloc_rxq_buffers()
3461 bdp->cbd_sc = cpu_to_fec16(BD_ENET_RX_EMPTY); in fec_enet_alloc_rxq_buffers()
3463 if (fep->bufdesc_ex) { in fec_enet_alloc_rxq_buffers()
3465 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_RX_INT); in fec_enet_alloc_rxq_buffers()
3468 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_alloc_rxq_buffers()
3472 bdp = fec_enet_get_prevdesc(bdp, &rxq->bd); in fec_enet_alloc_rxq_buffers()
3473 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_alloc_rxq_buffers()
3478 return -ENOMEM; in fec_enet_alloc_rxq_buffers()
3489 txq = fep->tx_queue[queue]; in fec_enet_alloc_txq_buffers()
3490 bdp = txq->bd.base; in fec_enet_alloc_txq_buffers()
3491 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_alloc_txq_buffers()
3492 txq->tx_bounce[i] = kmalloc(FEC_ENET_TX_FRSIZE, GFP_KERNEL); in fec_enet_alloc_txq_buffers()
3493 if (!txq->tx_bounce[i]) in fec_enet_alloc_txq_buffers()
3496 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_alloc_txq_buffers()
3497 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_alloc_txq_buffers()
3499 if (fep->bufdesc_ex) { in fec_enet_alloc_txq_buffers()
3501 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_TX_INT); in fec_enet_alloc_txq_buffers()
3504 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_alloc_txq_buffers()
3508 bdp = fec_enet_get_prevdesc(bdp, &txq->bd); in fec_enet_alloc_txq_buffers()
3509 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_alloc_txq_buffers()
3515 return -ENOMEM; in fec_enet_alloc_txq_buffers()
3523 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_alloc_buffers()
3525 return -ENOMEM; in fec_enet_alloc_buffers()
3527 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_alloc_buffers()
3529 return -ENOMEM; in fec_enet_alloc_buffers()
3540 ret = pm_runtime_resume_and_get(&fep->pdev->dev); in fec_enet_open()
3544 pinctrl_pm_select_default_state(&fep->pdev->dev); in fec_enet_open()
3555 if (ndev->phydev && ndev->phydev->drv) in fec_enet_open()
3582 if (fep->quirks & FEC_QUIRK_ERR006687) in fec_enet_open()
3585 if (fep->quirks & FEC_QUIRK_HAS_PMQOS) in fec_enet_open()
3586 cpu_latency_qos_add_request(&fep->pm_qos_req, 0); in fec_enet_open()
3588 napi_enable(&fep->napi); in fec_enet_open()
3589 phy_start(ndev->phydev); in fec_enet_open()
3592 device_set_wakeup_enable(&ndev->dev, fep->wol_flag & in fec_enet_open()
3602 pm_runtime_mark_last_busy(&fep->pdev->dev); in fec_enet_open()
3603 pm_runtime_put_autosuspend(&fep->pdev->dev); in fec_enet_open()
3604 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_enet_open()
3613 phy_stop(ndev->phydev); in fec_enet_close()
3616 napi_disable(&fep->napi); in fec_enet_close()
3621 phy_disconnect(ndev->phydev); in fec_enet_close()
3623 if (fep->quirks & FEC_QUIRK_ERR006687) in fec_enet_close()
3629 if (fep->quirks & FEC_QUIRK_HAS_PMQOS) in fec_enet_close()
3630 cpu_latency_qos_remove_request(&fep->pm_qos_req); in fec_enet_close()
3632 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_enet_close()
3633 pm_runtime_mark_last_busy(&fep->pdev->dev); in fec_enet_close()
3634 pm_runtime_put_autosuspend(&fep->pdev->dev); in fec_enet_close()
3661 if (ndev->flags & IFF_PROMISC) { in set_multicast_list()
3662 tmp = readl(fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3664 writel(tmp, fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3668 tmp = readl(fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3670 writel(tmp, fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3672 if (ndev->flags & IFF_ALLMULTI) { in set_multicast_list()
3676 writel(0xffffffff, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); in set_multicast_list()
3677 writel(0xffffffff, fep->hwp + FEC_GRP_HASH_TABLE_LOW); in set_multicast_list()
3685 crc = ether_crc_le(ndev->addr_len, ha->addr); in set_multicast_list()
3690 hash = (crc >> (32 - FEC_HASH_BITS)) & 0x3f; in set_multicast_list()
3693 hash_high |= 1 << (hash - 32); in set_multicast_list()
3698 writel(hash_high, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); in set_multicast_list()
3699 writel(hash_low, fep->hwp + FEC_GRP_HASH_TABLE_LOW); in set_multicast_list()
3709 if (!is_valid_ether_addr(addr->sa_data)) in fec_set_mac_address()
3710 return -EADDRNOTAVAIL; in fec_set_mac_address()
3711 eth_hw_addr_set(ndev, addr->sa_data); in fec_set_mac_address()
3731 netdev_features_t changed = features ^ netdev->features; in fec_enet_set_netdev_features()
3733 netdev->features = features; in fec_enet_set_netdev_features()
3738 fep->csum_flags |= FLAG_RX_CSUM_ENABLED; in fec_enet_set_netdev_features()
3740 fep->csum_flags &= ~FLAG_RX_CSUM_ENABLED; in fec_enet_set_netdev_features()
3748 netdev_features_t changed = features ^ netdev->features; in fec_set_features()
3751 napi_disable(&fep->napi); in fec_set_features()
3758 napi_enable(&fep->napi); in fec_set_features()
3772 if (!(fep->quirks & FEC_QUIRK_HAS_AVB)) in fec_enet_select_queue()
3776 if (eth_type_vlan(skb->protocol)) { in fec_enet_select_queue()
3779 vlan_tag = ntohs(vhdr->h_vlan_TCI); in fec_enet_select_queue()
3782 vlan_tag = skb->vlan_tci; in fec_enet_select_queue()
3796 switch (bpf->command) { in fec_enet_bpf()
3802 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_bpf()
3803 return -EOPNOTSUPP; in fec_enet_bpf()
3805 if (!bpf->prog) in fec_enet_bpf()
3809 napi_disable(&fep->napi); in fec_enet_bpf()
3813 old_prog = xchg(&fep->xdp_prog, bpf->prog); in fec_enet_bpf()
3820 napi_enable(&fep->napi); in fec_enet_bpf()
3824 if (bpf->prog) in fec_enet_bpf()
3830 return -EOPNOTSUPP; in fec_enet_bpf()
3833 return -EOPNOTSUPP; in fec_enet_bpf()
3843 return (index % fep->num_tx_queues); in fec_enet_xdp_get_tx_queue()
3859 netdev_err_once(fep->netdev, "NOT enough BD for SG!\n"); in fec_enet_txq_xmit_frame()
3860 return -EBUSY; in fec_enet_txq_xmit_frame()
3864 bdp = txq->bd.cur; in fec_enet_txq_xmit_frame()
3865 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_xmit_frame()
3868 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_xmit_frame()
3873 dma_addr = dma_map_single(&fep->pdev->dev, xdpf->data, in fec_enet_txq_xmit_frame()
3874 xdpf->len, DMA_TO_DEVICE); in fec_enet_txq_xmit_frame()
3875 if (dma_mapping_error(&fep->pdev->dev, dma_addr)) in fec_enet_txq_xmit_frame()
3876 return -ENOMEM; in fec_enet_txq_xmit_frame()
3878 frame_len = xdpf->len; in fec_enet_txq_xmit_frame()
3879 txq->tx_buf[index].buf_p = xdpf; in fec_enet_txq_xmit_frame()
3880 txq->tx_buf[index].type = FEC_TXBUF_T_XDP_NDO; in fec_enet_txq_xmit_frame()
3885 page = virt_to_page(xdpb->data); in fec_enet_txq_xmit_frame()
3887 (xdpb->data - xdpb->data_hard_start); in fec_enet_txq_xmit_frame()
3888 dma_sync_single_for_device(&fep->pdev->dev, dma_addr, in fec_enet_txq_xmit_frame()
3890 frame_len = xdpb->data_end - xdpb->data; in fec_enet_txq_xmit_frame()
3891 txq->tx_buf[index].buf_p = page; in fec_enet_txq_xmit_frame()
3892 txq->tx_buf[index].type = FEC_TXBUF_T_XDP_TX; in fec_enet_txq_xmit_frame()
3896 if (fep->bufdesc_ex) in fec_enet_txq_xmit_frame()
3899 bdp->cbd_bufaddr = cpu_to_fec32(dma_addr); in fec_enet_txq_xmit_frame()
3900 bdp->cbd_datlen = cpu_to_fec16(frame_len); in fec_enet_txq_xmit_frame()
3902 if (fep->bufdesc_ex) { in fec_enet_txq_xmit_frame()
3905 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_xmit_frame()
3906 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_xmit_frame()
3908 ebdp->cbd_bdu = 0; in fec_enet_txq_xmit_frame()
3909 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_xmit_frame()
3921 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_xmit_frame()
3924 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_xmit_frame()
3926 /* Make sure the update to bdp are performed before txq->bd.cur. */ in fec_enet_txq_xmit_frame()
3929 txq->bd.cur = bdp; in fec_enet_txq_xmit_frame()
3932 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_xmit_frame()
3946 txq = fep->tx_queue[queue]; in fec_enet_xdp_tx_xmit()
3947 nq = netdev_get_tx_queue(fep->netdev, queue); in fec_enet_xdp_tx_xmit()
3974 txq = fep->tx_queue[queue]; in fec_enet_xdp_xmit()
3975 nq = netdev_get_tx_queue(fep->netdev, queue); in fec_enet_xdp_xmit()
3998 return -EINVAL; in fec_hwtstamp_get()
4000 if (!fep->bufdesc_ex) in fec_hwtstamp_get()
4001 return -EOPNOTSUPP; in fec_hwtstamp_get()
4015 return -EINVAL; in fec_hwtstamp_set()
4017 if (!fep->bufdesc_ex) in fec_hwtstamp_set()
4018 return -EOPNOTSUPP; in fec_hwtstamp_set()
4059 unsigned dsize = fep->bufdesc_ex ? sizeof(struct bufdesc_ex) : in fec_enet_init()
4066 fep->rx_align = 0xf; in fec_enet_init()
4067 fep->tx_align = 0xf; in fec_enet_init()
4069 fep->rx_align = 0x3; in fec_enet_init()
4070 fep->tx_align = 0x3; in fec_enet_init()
4072 fep->rx_pkts_itr = FEC_ITR_ICFT_DEFAULT; in fec_enet_init()
4073 fep->tx_pkts_itr = FEC_ITR_ICFT_DEFAULT; in fec_enet_init()
4074 fep->rx_time_itr = FEC_ITR_ICTT_DEFAULT; in fec_enet_init()
4075 fep->tx_time_itr = FEC_ITR_ICTT_DEFAULT; in fec_enet_init()
4078 ret = dma_set_mask_and_coherent(&fep->pdev->dev, DMA_BIT_MASK(32)); in fec_enet_init()
4080 dev_warn(&fep->pdev->dev, "No suitable DMA available\n"); in fec_enet_init()
4088 bd_size = (fep->total_tx_ring_size + fep->total_rx_ring_size) * dsize; in fec_enet_init()
4091 cbd_base = fec_dmam_alloc(&fep->pdev->dev, bd_size, &bd_dma, in fec_enet_init()
4094 ret = -ENOMEM; in fec_enet_init()
4104 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_init()
4105 struct fec_enet_priv_rx_q *rxq = fep->rx_queue[i]; in fec_enet_init()
4106 unsigned size = dsize * rxq->bd.ring_size; in fec_enet_init()
4108 rxq->bd.qid = i; in fec_enet_init()
4109 rxq->bd.base = cbd_base; in fec_enet_init()
4110 rxq->bd.cur = cbd_base; in fec_enet_init()
4111 rxq->bd.dma = bd_dma; in fec_enet_init()
4112 rxq->bd.dsize = dsize; in fec_enet_init()
4113 rxq->bd.dsize_log2 = dsize_log2; in fec_enet_init()
4114 rxq->bd.reg_desc_active = fep->hwp + offset_des_active_rxq[i]; in fec_enet_init()
4117 rxq->bd.last = (struct bufdesc *)(((void *)cbd_base) - dsize); in fec_enet_init()
4120 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_init()
4121 struct fec_enet_priv_tx_q *txq = fep->tx_queue[i]; in fec_enet_init()
4122 unsigned size = dsize * txq->bd.ring_size; in fec_enet_init()
4124 txq->bd.qid = i; in fec_enet_init()
4125 txq->bd.base = cbd_base; in fec_enet_init()
4126 txq->bd.cur = cbd_base; in fec_enet_init()
4127 txq->bd.dma = bd_dma; in fec_enet_init()
4128 txq->bd.dsize = dsize; in fec_enet_init()
4129 txq->bd.dsize_log2 = dsize_log2; in fec_enet_init()
4130 txq->bd.reg_desc_active = fep->hwp + offset_des_active_txq[i]; in fec_enet_init()
4133 txq->bd.last = (struct bufdesc *)(((void *)cbd_base) - dsize); in fec_enet_init()
4138 ndev->watchdog_timeo = TX_TIMEOUT; in fec_enet_init()
4139 ndev->netdev_ops = &fec_netdev_ops; in fec_enet_init()
4140 ndev->ethtool_ops = &fec_enet_ethtool_ops; in fec_enet_init()
4142 writel(FEC_RX_DISABLED_IMASK, fep->hwp + FEC_IMASK); in fec_enet_init()
4143 netif_napi_add(ndev, &fep->napi, fec_enet_rx_napi); in fec_enet_init()
4145 if (fep->quirks & FEC_QUIRK_HAS_VLAN) in fec_enet_init()
4147 ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; in fec_enet_init()
4149 if (fep->quirks & FEC_QUIRK_HAS_CSUM) { in fec_enet_init()
4153 ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM in fec_enet_init()
4155 fep->csum_flags |= FLAG_RX_CSUM_ENABLED; in fec_enet_init()
4158 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { in fec_enet_init()
4159 fep->tx_align = 0; in fec_enet_init()
4160 fep->rx_align = 0x3f; in fec_enet_init()
4163 ndev->hw_features = ndev->features; in fec_enet_init()
4165 if (!(fep->quirks & FEC_QUIRK_SWAP_FRAME)) in fec_enet_init()
4166 ndev->xdp_features = NETDEV_XDP_ACT_BASIC | in fec_enet_init()
4171 if (fep->quirks & FEC_QUIRK_MIB_CLEAR) in fec_enet_init()
4187 netif_napi_del(&fep->napi); in fec_enet_deinit()
4196 struct device_node *np = pdev->dev.of_node; in fec_reset_phy()
4202 err = of_property_read_u32(np, "phy-reset-duration", &msec); in fec_reset_phy()
4207 err = of_property_read_u32(np, "phy-reset-post-delay", &phy_post_delay); in fec_reset_phy()
4210 return -EINVAL; in fec_reset_phy()
4212 phy_reset = devm_gpiod_get_optional(&pdev->dev, "phy-reset", in fec_reset_phy()
4215 return dev_err_probe(&pdev->dev, PTR_ERR(phy_reset), in fec_reset_phy()
4216 "failed to get phy-reset-gpios\n"); in fec_reset_phy()
4253 struct device_node *np = pdev->dev.of_node; in fec_enet_get_queue_num()
4261 of_property_read_u32(np, "fsl,num-tx-queues", num_tx); in fec_enet_get_queue_num()
4263 of_property_read_u32(np, "fsl,num-rx-queues", num_rx); in fec_enet_get_queue_num()
4266 dev_warn(&pdev->dev, "Invalid num_tx(=%d), fall back to 1\n", in fec_enet_get_queue_num()
4273 dev_warn(&pdev->dev, "Invalid num_rx(=%d), fall back to 1\n", in fec_enet_get_queue_num()
4299 if (fep->quirks & FEC_QUIRK_WAKEUP_FROM_INT2) in fec_enet_get_wakeup_irq()
4300 fep->wake_irq = fep->irq[2]; in fec_enet_get_wakeup_irq()
4302 fep->wake_irq = fep->irq[0]; in fec_enet_get_wakeup_irq()
4312 gpr_np = of_parse_phandle(np, "fsl,stop-mode", 0); in fec_enet_init_stop_mode()
4316 ret = of_property_read_u32_array(np, "fsl,stop-mode", out_val, in fec_enet_init_stop_mode()
4319 dev_dbg(&fep->pdev->dev, "no stop mode property\n"); in fec_enet_init_stop_mode()
4323 fep->stop_gpr.gpr = syscon_node_to_regmap(gpr_np); in fec_enet_init_stop_mode()
4324 if (IS_ERR(fep->stop_gpr.gpr)) { in fec_enet_init_stop_mode()
4325 dev_err(&fep->pdev->dev, "could not find gpr regmap\n"); in fec_enet_init_stop_mode()
4326 ret = PTR_ERR(fep->stop_gpr.gpr); in fec_enet_init_stop_mode()
4327 fep->stop_gpr.gpr = NULL; in fec_enet_init_stop_mode()
4331 fep->stop_gpr.reg = out_val[1]; in fec_enet_init_stop_mode()
4332 fep->stop_gpr.bit = out_val[2]; in fec_enet_init_stop_mode()
4349 struct device_node *np = pdev->dev.of_node, *phy_node; in fec_probe()
4362 return -ENOMEM; in fec_probe()
4364 SET_NETDEV_DEV(ndev, &pdev->dev); in fec_probe()
4369 dev_info = device_get_match_data(&pdev->dev); in fec_probe()
4371 dev_info = (const struct fec_devinfo *)pdev->id_entry->driver_data; in fec_probe()
4373 fep->quirks = dev_info->quirks; in fec_probe()
4375 fep->netdev = ndev; in fec_probe()
4376 fep->num_rx_queues = num_rx_qs; in fec_probe()
4377 fep->num_tx_queues = num_tx_qs; in fec_probe()
4381 if (fep->quirks & FEC_QUIRK_HAS_GBIT) in fec_probe()
4382 fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG; in fec_probe()
4386 pinctrl_pm_select_default_state(&pdev->dev); in fec_probe()
4388 fep->hwp = devm_platform_ioremap_resource(pdev, 0); in fec_probe()
4389 if (IS_ERR(fep->hwp)) { in fec_probe()
4390 ret = PTR_ERR(fep->hwp); in fec_probe()
4394 fep->pdev = pdev; in fec_probe()
4395 fep->dev_id = dev_id++; in fec_probe()
4401 !of_property_read_bool(np, "fsl,err006687-workaround-present")) in fec_probe()
4402 fep->quirks |= FEC_QUIRK_ERR006687; in fec_probe()
4408 if (of_property_read_bool(np, "fsl,magic-packet")) in fec_probe()
4409 fep->wol_flag |= FEC_WOL_HAS_MAGIC_PACKET; in fec_probe()
4415 phy_node = of_parse_phandle(np, "phy-handle", 0); in fec_probe()
4419 dev_err(&pdev->dev, in fec_probe()
4420 "broken fixed-link specification\n"); in fec_probe()
4425 fep->phy_node = phy_node; in fec_probe()
4427 ret = of_get_phy_mode(pdev->dev.of_node, &interface); in fec_probe()
4429 pdata = dev_get_platdata(&pdev->dev); in fec_probe()
4431 fep->phy_interface = pdata->phy; in fec_probe()
4433 fep->phy_interface = PHY_INTERFACE_MODE_MII; in fec_probe()
4435 fep->phy_interface = interface; in fec_probe()
4442 fep->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); in fec_probe()
4443 if (IS_ERR(fep->clk_ipg)) { in fec_probe()
4444 ret = PTR_ERR(fep->clk_ipg); in fec_probe()
4448 fep->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); in fec_probe()
4449 if (IS_ERR(fep->clk_ahb)) { in fec_probe()
4450 ret = PTR_ERR(fep->clk_ahb); in fec_probe()
4454 fep->itr_clk_rate = clk_get_rate(fep->clk_ahb); in fec_probe()
4457 fep->clk_enet_out = devm_clk_get_optional(&pdev->dev, "enet_out"); in fec_probe()
4458 if (IS_ERR(fep->clk_enet_out)) { in fec_probe()
4459 ret = PTR_ERR(fep->clk_enet_out); in fec_probe()
4463 fep->ptp_clk_on = false; in fec_probe()
4464 mutex_init(&fep->ptp_clk_mutex); in fec_probe()
4467 fep->clk_ref = devm_clk_get_optional(&pdev->dev, "enet_clk_ref"); in fec_probe()
4468 if (IS_ERR(fep->clk_ref)) { in fec_probe()
4469 ret = PTR_ERR(fep->clk_ref); in fec_probe()
4472 fep->clk_ref_rate = clk_get_rate(fep->clk_ref); in fec_probe()
4475 if (fep->rgmii_txc_dly || fep->rgmii_rxc_dly) { in fec_probe()
4476 fep->clk_2x_txclk = devm_clk_get(&pdev->dev, "enet_2x_txclk"); in fec_probe()
4477 if (IS_ERR(fep->clk_2x_txclk)) in fec_probe()
4478 fep->clk_2x_txclk = NULL; in fec_probe()
4481 fep->bufdesc_ex = fep->quirks & FEC_QUIRK_HAS_BUFDESC_EX; in fec_probe()
4482 fep->clk_ptp = devm_clk_get(&pdev->dev, "ptp"); in fec_probe()
4483 if (IS_ERR(fep->clk_ptp)) { in fec_probe()
4484 fep->clk_ptp = NULL; in fec_probe()
4485 fep->bufdesc_ex = false; in fec_probe()
4492 ret = clk_prepare_enable(fep->clk_ipg); in fec_probe()
4495 ret = clk_prepare_enable(fep->clk_ahb); in fec_probe()
4499 fep->reg_phy = devm_regulator_get_optional(&pdev->dev, "phy"); in fec_probe()
4500 if (!IS_ERR(fep->reg_phy)) { in fec_probe()
4501 ret = regulator_enable(fep->reg_phy); in fec_probe()
4503 dev_err(&pdev->dev, in fec_probe()
4508 if (PTR_ERR(fep->reg_phy) == -EPROBE_DEFER) { in fec_probe()
4509 ret = -EPROBE_DEFER; in fec_probe()
4512 fep->reg_phy = NULL; in fec_probe()
4515 pm_runtime_set_autosuspend_delay(&pdev->dev, FEC_MDIO_PM_TIMEOUT); in fec_probe()
4516 pm_runtime_use_autosuspend(&pdev->dev); in fec_probe()
4517 pm_runtime_get_noresume(&pdev->dev); in fec_probe()
4518 pm_runtime_set_active(&pdev->dev); in fec_probe()
4519 pm_runtime_enable(&pdev->dev); in fec_probe()
4526 if (fep->bufdesc_ex) in fec_probe()
4542 ret = devm_request_irq(&pdev->dev, irq, fec_enet_interrupt, in fec_probe()
4543 0, pdev->name, ndev); in fec_probe()
4547 fep->irq[i] = irq; in fec_probe()
4560 pinctrl_pm_select_sleep_state(&pdev->dev); in fec_probe()
4562 ndev->max_mtu = PKT_MAXBUF_SIZE - ETH_HLEN - ETH_FCS_LEN; in fec_probe()
4568 device_init_wakeup(&ndev->dev, fep->wol_flag & in fec_probe()
4571 if (fep->bufdesc_ex && fep->ptp_clock) in fec_probe()
4572 netdev_info(ndev, "registered PHC device %d\n", fep->dev_id); in fec_probe()
4574 INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work); in fec_probe()
4576 pm_runtime_mark_last_busy(&pdev->dev); in fec_probe()
4577 pm_runtime_put_autosuspend(&pdev->dev); in fec_probe()
4589 pm_runtime_put_noidle(&pdev->dev); in fec_probe()
4590 pm_runtime_disable(&pdev->dev); in fec_probe()
4591 if (fep->reg_phy) in fec_probe()
4592 regulator_disable(fep->reg_phy); in fec_probe()
4594 clk_disable_unprepare(fep->clk_ahb); in fec_probe()
4596 clk_disable_unprepare(fep->clk_ipg); in fec_probe()
4607 dev_id--; in fec_probe()
4619 struct device_node *np = pdev->dev.of_node; in fec_drv_remove()
4622 ret = pm_runtime_get_sync(&pdev->dev); in fec_drv_remove()
4624 dev_err(&pdev->dev, in fec_drv_remove()
4628 cancel_work_sync(&fep->tx_timeout_work); in fec_drv_remove()
4632 if (fep->reg_phy) in fec_drv_remove()
4633 regulator_disable(fep->reg_phy); in fec_drv_remove()
4637 of_node_put(fep->phy_node); in fec_drv_remove()
4643 clk_disable_unprepare(fep->clk_ahb); in fec_drv_remove()
4644 clk_disable_unprepare(fep->clk_ipg); in fec_drv_remove()
4646 pm_runtime_put_noidle(&pdev->dev); in fec_drv_remove()
4647 pm_runtime_disable(&pdev->dev); in fec_drv_remove()
4661 if (fep->wol_flag & FEC_WOL_FLAG_ENABLE) in fec_suspend()
4662 fep->wol_flag |= FEC_WOL_FLAG_SLEEP_ON; in fec_suspend()
4663 phy_stop(ndev->phydev); in fec_suspend()
4664 napi_disable(&fep->napi); in fec_suspend()
4669 if (!(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) { in fec_suspend()
4671 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_suspend()
4674 if (fep->wake_irq > 0) { in fec_suspend()
4675 disable_irq(fep->wake_irq); in fec_suspend()
4676 enable_irq_wake(fep->wake_irq); in fec_suspend()
4683 fep->rpm_active = !pm_runtime_status_suspended(dev); in fec_suspend()
4684 if (fep->rpm_active) { in fec_suspend()
4694 if (fep->reg_phy && !(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) in fec_suspend()
4695 regulator_disable(fep->reg_phy); in fec_suspend()
4700 if (fep->clk_enet_out || fep->reg_phy) in fec_suspend()
4701 fep->link = 0; in fec_suspend()
4713 if (fep->reg_phy && !(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) { in fec_resume()
4714 ret = regulator_enable(fep->reg_phy); in fec_resume()
4721 if (fep->rpm_active) in fec_resume()
4729 if (fep->wol_flag & FEC_WOL_FLAG_ENABLE) { in fec_resume()
4731 if (fep->wake_irq) { in fec_resume()
4732 disable_irq_wake(fep->wake_irq); in fec_resume()
4733 enable_irq(fep->wake_irq); in fec_resume()
4736 val = readl(fep->hwp + FEC_ECNTRL); in fec_resume()
4738 writel(val, fep->hwp + FEC_ECNTRL); in fec_resume()
4739 fep->wol_flag &= ~FEC_WOL_FLAG_SLEEP_ON; in fec_resume()
4741 pinctrl_pm_select_default_state(&fep->pdev->dev); in fec_resume()
4747 napi_enable(&fep->napi); in fec_resume()
4748 phy_init_hw(ndev->phydev); in fec_resume()
4749 phy_start(ndev->phydev); in fec_resume()
4756 if (fep->reg_phy) in fec_resume()
4757 regulator_disable(fep->reg_phy); in fec_resume()
4766 clk_disable_unprepare(fep->clk_ahb); in fec_runtime_suspend()
4767 clk_disable_unprepare(fep->clk_ipg); in fec_runtime_suspend()
4778 ret = clk_prepare_enable(fep->clk_ahb); in fec_runtime_resume()
4781 ret = clk_prepare_enable(fep->clk_ipg); in fec_runtime_resume()
4788 clk_disable_unprepare(fep->clk_ahb); in fec_runtime_resume()