1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2017-2019 NXP */
8 #include <linux/dma-mapping.h>
21 #define ENETC_MAX_MTU		(ENETC_MAC_MAXFRM_SIZE - \
64 #define ENETC_SKB_CB(skb) ((struct enetc_skb_cb *)((skb)->cb))
82 	(SKB_WITH_OVERHEAD(ENETC_RXB_TRUESIZE) - ENETC_RXB_PAD)
84 	(SKB_WITH_OVERHEAD(ENETC_RXB_TRUESIZE) - XDP_PACKET_HEADROOM)
187 	if (unlikely(++*i == bdr->bd_count))  in enetc_bdr_idx_inc()
193 	if (bdr->next_to_clean > bdr->next_to_use)  in enetc_bd_unused()
194 		return bdr->next_to_clean - bdr->next_to_use - 1;  in enetc_bd_unused()
196 	return bdr->bd_count + bdr->next_to_clean - bdr->next_to_use - 1;  in enetc_bd_unused()
201 	if (bdr->next_to_clean > bdr->next_to_alloc)  in enetc_swbd_unused()
202 		return bdr->next_to_clean - bdr->next_to_alloc - 1;  in enetc_swbd_unused()
204 	return bdr->bd_count + bdr->next_to_clean - bdr->next_to_alloc - 1;  in enetc_swbd_unused()
229 	if (rx_ring->ext_en)  in enetc_rxbd()
232 	return &(((union enetc_rx_bd *)rx_ring->bd_base)[hw_idx]);  in enetc_rxbd()
243 	if (rx_ring->ext_en)  in enetc_rxbd_next()
246 	if (unlikely(++new_index == rx_ring->bd_count)) {  in enetc_rxbd_next()
247 		new_rxbd = rx_ring->bd_base;  in enetc_rxbd_next()
287 	u16 revision;  member
298  * for VSI. For VSI-specific hooks, the format is ‘vf_*()’.
308 	struct enetc_hw hw;  member
323 	u16 revision;  member
337 	return si->pdev->revision == ENETC_REV1;  in is_enetc_rev1()
347 	return !!(si->hw.port);  in enetc_si_is_pf()
352 	switch (pf_pdev->devfn) {  in enetc_pf_to_port()
362 		return -1;  in enetc_pf_to_port()
368 	return si->hw_features & ENETC_SI_F_PPM;  in enetc_is_pseudo_mac()
428 	/* activated when int coalescing time is set to a non-0 value */
440 	struct device *dev; /* dma-mapping device */
492 /* VF-PF set primary MAC address message format */
550 int enetc_setup_cbdr(struct device *dev, struct enetc_hw *hw, int bd_count,
572 	struct enetc_cbdr *ring = &si->cbd_ring;  in enetc_cbd_alloc_data_mem()
576 	data = dma_alloc_coherent(ring->dma_dev,  in enetc_cbd_alloc_data_mem()
580 		dev_err(ring->dma_dev, "CBD alloc data memory failed!\n");  in enetc_cbd_alloc_data_mem()
587 	cbd->addr[0] = cpu_to_le32(lower_32_bits(dma_align));  in enetc_cbd_alloc_data_mem()
588 	cbd->addr[1] = cpu_to_le32(upper_32_bits(dma_align));  in enetc_cbd_alloc_data_mem()
589 	cbd->length = cpu_to_le16(size);  in enetc_cbd_alloc_data_mem()
597 	struct enetc_cbdr *ring = &si->cbd_ring;  in enetc_cbd_free_data_mem()
599 	dma_free_coherent(ring->dma_dev, size + ENETC_CBD_DATA_MEM_ALIGN,  in enetc_cbd_free_data_mem()
603 void enetc_reset_ptcmsdur(struct enetc_hw *hw);
604 void enetc_set_ptcmsdur(struct enetc_hw *hw, u32 *queue_max_sdu);
629 	struct enetc_hw *hw = &priv->si->hw;  in enetc_get_max_cap()  local
632 	reg = enetc_port_rd(hw, ENETC_PSIDCAPR);  in enetc_get_max_cap()
633 	priv->psfp_cap.max_streamid = reg & ENETC_PSIDCAPR_MSK;  in enetc_get_max_cap()
635 	reg = enetc_port_rd(hw, ENETC_PSFCAPR);  in enetc_get_max_cap()
636 	priv->psfp_cap.max_psfp_filter = reg & ENETC_PSFCAPR_MSK;  in enetc_get_max_cap()
638 	reg = enetc_port_rd(hw, ENETC_PSGCAPR);  in enetc_get_max_cap()
639 	priv->psfp_cap.max_psfp_gate = (reg & ENETC_PSGCAPR_SGIT_MSK);  in enetc_get_max_cap()
640 	priv->psfp_cap.max_psfp_gatelist = (reg & ENETC_PSGCAPR_GCL_MSK) >> 16;  in enetc_get_max_cap()
642 	reg = enetc_port_rd(hw, ENETC_PFMCAPR);  in enetc_get_max_cap()
643 	priv->psfp_cap.max_psfp_meter = reg & ENETC_PFMCAPR_MSK;  in enetc_get_max_cap()
648 	struct enetc_hw *hw = &priv->si->hw;  in enetc_psfp_enable()  local
657 	enetc_wr(hw, ENETC_PPSFPMR, enetc_rd(hw, ENETC_PPSFPMR) |  in enetc_psfp_enable()
666 	struct enetc_hw *hw = &priv->si->hw;  in enetc_psfp_disable()  local
673 	enetc_wr(hw, ENETC_PPSFPMR, enetc_rd(hw, ENETC_PPSFPMR) &  in enetc_psfp_disable()
677 	memset(&priv->psfp_cap, 0, sizeof(struct psfp_cap));  in enetc_psfp_disable()
683 #define enetc_qos_query_caps(ndev, type_data) -EOPNOTSUPP
684 #define enetc_setup_tc_taprio(ndev, type_data) -EOPNOTSUPP
686 #define enetc_setup_tc_cbs(ndev, type_data) -EOPNOTSUPP
687 #define enetc_setup_tc_txtime(ndev, type_data) -EOPNOTSUPP
688 #define enetc_setup_tc_psfp(ndev, type_data) -EOPNOTSUPP
692 	memset(&((p)->psfp_cap), 0, sizeof(struct psfp_cap))