1 // SPDX-License-Identifier: GPL-2.0
3  * Texas Instruments Ethernet Switch Driver
41 #include "cpsw.h"
52 MODULE_PARM_DESC(debug_level, "cpsw debug level (NETIF_MSG bits)");
56 MODULE_PARM_DESC(ale_ageout, "cpsw ale ageout interval (seconds)");
69 		struct cpsw_common *cpsw = (priv)->cpsw;		\
71 		if (cpsw->data.dual_emac)				\
72 			(func)((cpsw)->slaves + priv->emac_port, ##arg);\
74 			for (n = cpsw->data.slaves,			\
75 					slave = cpsw->slaves;		\
76 					n; n--)				\
80 static int cpsw_slave_index_priv(struct cpsw_common *cpsw,  in cpsw_slave_index_priv()  argument
83 	return cpsw->data.dual_emac ? priv->emac_port : cpsw->data.active_slave;  in cpsw_slave_index_priv()
96 	struct cpsw_common *cpsw = ndev_to_cpsw(ndev);  in cpsw_set_promiscious()  local
97 	struct cpsw_ale *ale = cpsw->ale;  in cpsw_set_promiscious()
100 	if (cpsw->data.dual_emac) {  in cpsw_set_promiscious()
107 		for (i = 0; i < cpsw->data.slaves; i++)  in cpsw_set_promiscious()
108 			if (cpsw->slaves[i].ndev->flags & IFF_PROMISC)  in cpsw_set_promiscious()
113 …dev_err(&ndev->dev, "promiscuity not disabled as the other interface is still in promiscuity mode\…  in cpsw_set_promiscious()
120 			dev_dbg(&ndev->dev, "promiscuity enabled\n");  in cpsw_set_promiscious()
124 			dev_dbg(&ndev->dev, "promiscuity disabled\n");  in cpsw_set_promiscious()
131 			for (i = 0; i <= cpsw->data.slaves; i++) {  in cpsw_set_promiscious()
148 			cpsw_ale_flush_multicast(ale, ALE_ALL_PORTS, -1);  in cpsw_set_promiscious()
149 			__hw_addr_ref_unsync_dev(&ndev->mc, ndev, NULL);  in cpsw_set_promiscious()
153 			dev_dbg(&ndev->dev, "promiscuity enabled\n");  in cpsw_set_promiscious()
159 			for (i = 0; i <= cpsw->data.slaves; i++) {  in cpsw_set_promiscious()
165 			dev_dbg(&ndev->dev, "promiscuity disabled\n");  in cpsw_set_promiscious()
171  * cpsw_set_mc - adds multicast entry to the table if it's not added or deletes
182 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_set_mc()  local
186 		if (cpsw->data.dual_emac)  in cpsw_set_mc()
187 			vid = cpsw->slaves[priv->emac_port].port_vlan;  in cpsw_set_mc()
192 	mask = cpsw->data.dual_emac ? ALE_PORT_HOST : ALE_ALL_PORTS;  in cpsw_set_mc()
196 		ret = cpsw_ale_add_mcast(cpsw->ale, addr, mask, flags, vid, 0);  in cpsw_set_mc()
198 		ret = cpsw_ale_del_mcast(cpsw->ale, addr, 0, flags, vid);  in cpsw_set_mc()
209 	if (!vdev || !(vdev->flags & IFF_UP))  in cpsw_update_vlan_mc()
214 		if (ether_addr_equal(ha->addr, sync_ctx->addr)) {  in cpsw_update_vlan_mc()
215 			found = ha->sync_cnt;  in cpsw_update_vlan_mc()
221 		sync_ctx->consumed++;  in cpsw_update_vlan_mc()
223 	if (sync_ctx->flush) {  in cpsw_update_vlan_mc()
225 			cpsw_set_mc(sync_ctx->ndev, sync_ctx->addr, vid, 0);  in cpsw_update_vlan_mc()
230 		ret = cpsw_set_mc(sync_ctx->ndev, sync_ctx->addr, vid, 1);  in cpsw_update_vlan_mc()
247 		ret = cpsw_set_mc(ndev, addr, -1, 1);  in cpsw_add_mc_addr()
263 		cpsw_set_mc(ndev, addr, -1, 0);  in cpsw_del_mc_addr()
274 	if (!vdev || !(vdev->flags & IFF_UP))  in cpsw_purge_vlan_mc()
279 		if (ether_addr_equal(ha->addr, sync_ctx->addr)) {  in cpsw_purge_vlan_mc()
280 			found = ha->sync_cnt;  in cpsw_purge_vlan_mc()
288 	sync_ctx->consumed++;  in cpsw_purge_vlan_mc()
289 	cpsw_set_mc(sync_ctx->ndev, sync_ctx->addr, vid, 0);  in cpsw_purge_vlan_mc()
303 		cpsw_set_mc(ndev, addr, -1, 0);  in cpsw_purge_all_mc()
311 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_ndo_set_rx_mode()  local
312 	int slave_port = -1;  in cpsw_ndo_set_rx_mode()
314 	if (cpsw->data.dual_emac)  in cpsw_ndo_set_rx_mode()
315 		slave_port = priv->emac_port + 1;  in cpsw_ndo_set_rx_mode()
317 	if (ndev->flags & IFF_PROMISC) {  in cpsw_ndo_set_rx_mode()
320 		cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI, slave_port);  in cpsw_ndo_set_rx_mode()
328 	cpsw_ale_set_allmulti(cpsw->ale,  in cpsw_ndo_set_rx_mode()
329 			      ndev->flags & IFF_ALLMULTI, slave_port);  in cpsw_ndo_set_rx_mode()
332 	__hw_addr_ref_sync_dev(&ndev->mc, ndev, cpsw_add_mc_addr,  in cpsw_ndo_set_rx_mode()
349 	struct cpsw_common	*cpsw = ndev_to_cpsw(xmeta->ndev);  in cpsw_rx_handler()  local
350 	int			pkt_size = cpsw->rx_packet_max;  in cpsw_rx_handler()
351 	int			ret = 0, port, ch = xmeta->ch;  in cpsw_rx_handler()
353 	struct net_device	*ndev = xmeta->ndev;  in cpsw_rx_handler()
360 	if (cpsw->data.dual_emac && status >= 0) {  in cpsw_rx_handler()
363 			ndev = cpsw->slaves[--port].ndev;  in cpsw_rx_handler()
367 	pool = cpsw->page_pool[ch];  in cpsw_rx_handler()
370 		if (cpsw->data.dual_emac && cpsw->usage_count &&  in cpsw_rx_handler()
390 		ndev->stats.rx_dropped++;  in cpsw_rx_handler()
394 	if (priv->xdp_prog) {  in cpsw_rx_handler()
398 			xdp.data_end = xdp.data + len -  in cpsw_rx_handler()
408 		xdp.rxq = &priv->xdp_rxq[ch];  in cpsw_rx_handler()
411 		port = priv->emac_port + cpsw->data.dual_emac;  in cpsw_rx_handler()
417 		len = xdp.data_end - xdp.data;  in cpsw_rx_handler()
418 		headroom = xdp.data - xdp.data_hard_start;  in cpsw_rx_handler()
427 		ndev->stats.rx_dropped++;  in cpsw_rx_handler()
434 	skb->dev = ndev;  in cpsw_rx_handler()
437 	if (priv->rx_ts_enabled)  in cpsw_rx_handler()
438 		cpts_rx_timestamp(cpsw->cpts, skb);  in cpsw_rx_handler()
439 	skb->protocol = eth_type_trans(skb, ndev);  in cpsw_rx_handler()
445 	ndev->stats.rx_bytes += len;  in cpsw_rx_handler()
446 	ndev->stats.rx_packets++;  in cpsw_rx_handler()
450 	xmeta->ndev = ndev;  in cpsw_rx_handler()
451 	xmeta->ch = ch;  in cpsw_rx_handler()
454 	ret = cpdma_chan_submit_mapped(cpsw->rxv[ch].ch, new_page, dma,  in cpsw_rx_handler()
457 		WARN_ON(ret == -ENOMEM);  in cpsw_rx_handler()
465 	struct phy_device	*phy = slave->phy;  in _cpsw_adjust_link()
468 	struct cpsw_common *cpsw = priv->cpsw;  in _cpsw_adjust_link()  local
473 	slave_port = cpsw_get_slave_port(slave->slave_num);  in _cpsw_adjust_link()
475 	if (phy->link) {  in _cpsw_adjust_link()
478 		if (phy->speed == 1000)  in _cpsw_adjust_link()
480 		if (phy->duplex)  in _cpsw_adjust_link()
484 		if (phy->speed == 100)  in _cpsw_adjust_link()
487 		else if ((phy->speed == 10) && phy_interface_is_rgmii(phy))  in _cpsw_adjust_link()
490 		if (priv->rx_pause)  in _cpsw_adjust_link()
493 		if (priv->tx_pause)  in _cpsw_adjust_link()
496 		if (mac_control != slave->mac_control)  in _cpsw_adjust_link()
497 			cpsw_sl_ctl_set(slave->mac_sl, mac_control);  in _cpsw_adjust_link()
500 		cpsw_ale_control_set(cpsw->ale, slave_port,  in _cpsw_adjust_link()
505 		if (priv->shp_cfg_speed &&  in _cpsw_adjust_link()
506 		    priv->shp_cfg_speed != slave->phy->speed &&  in _cpsw_adjust_link()
508 			dev_warn(priv->dev,  in _cpsw_adjust_link()
513 		cpsw_ale_control_set(cpsw->ale, slave_port,  in _cpsw_adjust_link()
516 		cpsw_sl_wait_for_idle(slave->mac_sl, 100);  in _cpsw_adjust_link()
518 		cpsw_sl_ctl_reset(slave->mac_sl);  in _cpsw_adjust_link()
521 	if (mac_control != slave->mac_control)  in _cpsw_adjust_link()
524 	slave->mac_control = mac_control;  in _cpsw_adjust_link()
530 	struct cpsw_common	*cpsw = priv->cpsw;  in cpsw_adjust_link()  local
536 		if (cpsw_need_resplit(cpsw))  in cpsw_adjust_link()
537 			cpsw_split_res(cpsw);  in cpsw_adjust_link()
552 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_add_dual_emac_def_ale_entries()  local
555 	if (cpsw->version == CPSW_VERSION_1)  in cpsw_add_dual_emac_def_ale_entries()
556 		slave_write(slave, slave->port_vlan, CPSW1_PORT_VLAN);  in cpsw_add_dual_emac_def_ale_entries()
558 		slave_write(slave, slave->port_vlan, CPSW2_PORT_VLAN);  in cpsw_add_dual_emac_def_ale_entries()
559 	cpsw_ale_add_vlan(cpsw->ale, slave->port_vlan, port_mask,  in cpsw_add_dual_emac_def_ale_entries()
561 	cpsw_ale_add_mcast(cpsw->ale, priv->ndev->broadcast,  in cpsw_add_dual_emac_def_ale_entries()
562 			   ALE_PORT_HOST, ALE_VLAN, slave->port_vlan, 0);  in cpsw_add_dual_emac_def_ale_entries()
563 	cpsw_ale_add_ucast(cpsw->ale, priv->mac_addr,  in cpsw_add_dual_emac_def_ale_entries()
565 			   ALE_SECURE, slave->port_vlan);  in cpsw_add_dual_emac_def_ale_entries()
566 	cpsw_ale_control_set(cpsw->ale, slave_port,  in cpsw_add_dual_emac_def_ale_entries()
574 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_slave_open()  local
576 	cpsw_sl_reset(slave->mac_sl, 100);  in cpsw_slave_open()
577 	cpsw_sl_ctl_reset(slave->mac_sl);  in cpsw_slave_open()
580 	cpsw_sl_reg_write(slave->mac_sl, CPSW_SL_RX_PRI_MAP,  in cpsw_slave_open()
583 	switch (cpsw->version) {  in cpsw_slave_open()
607 	cpsw_sl_reg_write(slave->mac_sl, CPSW_SL_RX_MAXLEN,  in cpsw_slave_open()
608 			  cpsw->rx_packet_max);  in cpsw_slave_open()
611 	slave->mac_control = 0;	/* no link yet */  in cpsw_slave_open()
613 	slave_port = cpsw_get_slave_port(slave->slave_num);  in cpsw_slave_open()
615 	if (cpsw->data.dual_emac)  in cpsw_slave_open()
618 		cpsw_ale_add_mcast(cpsw->ale, priv->ndev->broadcast,  in cpsw_slave_open()
621 	if (slave->data->phy_node) {  in cpsw_slave_open()
622 		phy = of_phy_connect(priv->ndev, slave->data->phy_node,  in cpsw_slave_open()
623 				 &cpsw_adjust_link, 0, slave->data->phy_if);  in cpsw_slave_open()
625 			dev_err(priv->dev, "phy \"%pOF\" not found on slave %d\n",  in cpsw_slave_open()
626 				slave->data->phy_node,  in cpsw_slave_open()
627 				slave->slave_num);  in cpsw_slave_open()
631 		phy = phy_connect(priv->ndev, slave->data->phy_id,  in cpsw_slave_open()
632 				 &cpsw_adjust_link, slave->data->phy_if);  in cpsw_slave_open()
634 			dev_err(priv->dev,  in cpsw_slave_open()
636 				slave->data->phy_id, slave->slave_num,  in cpsw_slave_open()
642 	slave->phy = phy;  in cpsw_slave_open()
644 	phy_attached_info(slave->phy);  in cpsw_slave_open()
646 	phy_start(slave->phy);  in cpsw_slave_open()
649 	if (!IS_ERR(slave->data->ifphy))  in cpsw_slave_open()
650 		phy_set_mode_ext(slave->data->ifphy, PHY_MODE_ETHERNET,  in cpsw_slave_open()
651 				 slave->data->phy_if);  in cpsw_slave_open()
653 		cpsw_phy_sel(cpsw->dev, slave->phy->interface,  in cpsw_slave_open()
654 			     slave->slave_num);  in cpsw_slave_open()
659 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_add_default_vlan()  local
660 	const int vlan = cpsw->data.default_vlan;  in cpsw_add_default_vlan()
665 	reg = (cpsw->version == CPSW_VERSION_1) ? CPSW1_PORT_VLAN :  in cpsw_add_default_vlan()
668 	writel(vlan, &cpsw->host_port_regs->port_vlan);  in cpsw_add_default_vlan()
670 	for (i = 0; i < cpsw->data.slaves; i++)  in cpsw_add_default_vlan()
671 		slave_write(cpsw->slaves + i, vlan, reg);  in cpsw_add_default_vlan()
673 	if (priv->ndev->flags & IFF_ALLMULTI)  in cpsw_add_default_vlan()
678 	cpsw_ale_add_vlan(cpsw->ale, vlan, ALE_ALL_PORTS,  in cpsw_add_default_vlan()
687 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_init_host_port()  local
690 	soft_reset("cpsw", &cpsw->regs->soft_reset);  in cpsw_init_host_port()
691 	cpsw_ale_start(cpsw->ale);  in cpsw_init_host_port()
693 	/* switch to vlan unaware mode */  in cpsw_init_host_port()
694 	cpsw_ale_control_set(cpsw->ale, HOST_PORT_NUM, ALE_VLAN_AWARE,  in cpsw_init_host_port()
696 	control_reg = readl(&cpsw->regs->control);  in cpsw_init_host_port()
698 	writel(control_reg, &cpsw->regs->control);  in cpsw_init_host_port()
699 	fifo_mode = (cpsw->data.dual_emac) ? CPSW_FIFO_DUAL_MAC_MODE :  in cpsw_init_host_port()
701 	writel(fifo_mode, &cpsw->host_port_regs->tx_in_ctl);  in cpsw_init_host_port()
705 		       &cpsw->host_port_regs->cpdma_tx_pri_map);  in cpsw_init_host_port()
706 	writel_relaxed(0, &cpsw->host_port_regs->cpdma_rx_chan_map);  in cpsw_init_host_port()
708 	cpsw_ale_control_set(cpsw->ale, HOST_PORT_NUM,  in cpsw_init_host_port()
711 	if (!cpsw->data.dual_emac) {  in cpsw_init_host_port()
712 		cpsw_ale_add_ucast(cpsw->ale, priv->mac_addr, HOST_PORT_NUM,  in cpsw_init_host_port()
714 		cpsw_ale_add_mcast(cpsw->ale, priv->ndev->broadcast,  in cpsw_init_host_port()
719 static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_common *cpsw)  in cpsw_slave_stop()  argument
723 	slave_port = cpsw_get_slave_port(slave->slave_num);  in cpsw_slave_stop()
725 	if (!slave->phy)  in cpsw_slave_stop()
727 	phy_stop(slave->phy);  in cpsw_slave_stop()
728 	phy_disconnect(slave->phy);  in cpsw_slave_stop()
729 	slave->phy = NULL;  in cpsw_slave_stop()
730 	cpsw_ale_control_set(cpsw->ale, slave_port,  in cpsw_slave_stop()
732 	cpsw_sl_reset(slave->mac_sl, 100);  in cpsw_slave_stop()
733 	cpsw_sl_ctl_reset(slave->mac_sl);  in cpsw_slave_stop()
743 	cpsw_ndo_vlan_rx_add_vid(priv->ndev, 0, vid);  in cpsw_restore_vlans()
751 	vlan_for_each(priv->ndev, cpsw_restore_vlans, priv);  in cpsw_restore()
763 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_ndo_open()  local
767 	ret = pm_runtime_get_sync(cpsw->dev);  in cpsw_ndo_open()
769 		pm_runtime_put_noidle(cpsw->dev);  in cpsw_ndo_open()
776 	ret = netif_set_real_num_tx_queues(ndev, cpsw->tx_ch_num);  in cpsw_ndo_open()
778 		dev_err(priv->dev, "cannot set real number of tx queues\n");  in cpsw_ndo_open()
782 	ret = netif_set_real_num_rx_queues(ndev, cpsw->rx_ch_num);  in cpsw_ndo_open()
784 		dev_err(priv->dev, "cannot set real number of rx queues\n");  in cpsw_ndo_open()
788 	reg = cpsw->version;  in cpsw_ndo_open()
790 	dev_info(priv->dev, "initializing cpsw version %d.%d (%d)\n",  in cpsw_ndo_open()
795 	if (!cpsw->usage_count)  in cpsw_ndo_open()
800 	if (!cpsw->data.dual_emac)  in cpsw_ndo_open()
803 		cpsw_ale_add_vlan(cpsw->ale, cpsw->data.default_vlan,  in cpsw_ndo_open()
807 	if (!cpsw->usage_count) {  in cpsw_ndo_open()
809 		writel_relaxed(0, &cpsw->regs->ptype);  in cpsw_ndo_open()
812 		writel_relaxed(0x7, &cpsw->regs->stat_port_en);  in cpsw_ndo_open()
815 		writel(0x7, &cpsw->regs->flow_control);  in cpsw_ndo_open()
817 		napi_enable(&cpsw->napi_rx);  in cpsw_ndo_open()
818 		napi_enable(&cpsw->napi_tx);  in cpsw_ndo_open()
820 		if (cpsw->tx_irq_disabled) {  in cpsw_ndo_open()
821 			cpsw->tx_irq_disabled = false;  in cpsw_ndo_open()
822 			enable_irq(cpsw->irqs_table[1]);  in cpsw_ndo_open()
825 		if (cpsw->rx_irq_disabled) {  in cpsw_ndo_open()
826 			cpsw->rx_irq_disabled = false;  in cpsw_ndo_open()
827 			enable_irq(cpsw->irqs_table[0]);  in cpsw_ndo_open()
833 		ret = cpsw_create_xdp_rxqs(cpsw);  in cpsw_ndo_open()
841 		if (cpsw->cpts) {  in cpsw_ndo_open()
842 			if (cpts_register(cpsw->cpts))  in cpsw_ndo_open()
843 				dev_err(priv->dev, "error registering cpts device\n");  in cpsw_ndo_open()
845 				writel(0x10, &cpsw->wr_regs->misc_en);  in cpsw_ndo_open()
852 	if (cpsw->coal_intvl != 0) {  in cpsw_ndo_open()
855 		coal.rx_coalesce_usecs = cpsw->coal_intvl;  in cpsw_ndo_open()
859 	cpdma_ctlr_start(cpsw->dma);  in cpsw_ndo_open()
860 	cpsw_intr_enable(cpsw);  in cpsw_ndo_open()
861 	cpsw->usage_count++;  in cpsw_ndo_open()
866 	if (!cpsw->usage_count) {  in cpsw_ndo_open()
867 		cpdma_ctlr_stop(cpsw->dma);  in cpsw_ndo_open()
868 		cpsw_destroy_xdp_rxqs(cpsw);  in cpsw_ndo_open()
871 	for_each_slave(priv, cpsw_slave_stop, cpsw);  in cpsw_ndo_open()
872 	pm_runtime_put_sync(cpsw->dev);  in cpsw_ndo_open()
873 	netif_carrier_off(priv->ndev);  in cpsw_ndo_open()
880 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_ndo_stop()  local
882 	cpsw_info(priv, ifdown, "shutting down cpsw device\n");  in cpsw_ndo_stop()
883 	__hw_addr_ref_unsync_dev(&ndev->mc, ndev, cpsw_purge_all_mc);  in cpsw_ndo_stop()
884 	netif_tx_stop_all_queues(priv->ndev);  in cpsw_ndo_stop()
885 	netif_carrier_off(priv->ndev);  in cpsw_ndo_stop()
887 	if (cpsw->usage_count <= 1) {  in cpsw_ndo_stop()
888 		napi_disable(&cpsw->napi_rx);  in cpsw_ndo_stop()
889 		napi_disable(&cpsw->napi_tx);  in cpsw_ndo_stop()
890 		cpts_unregister(cpsw->cpts);  in cpsw_ndo_stop()
891 		cpsw_intr_disable(cpsw);  in cpsw_ndo_stop()
892 		cpdma_ctlr_stop(cpsw->dma);  in cpsw_ndo_stop()
893 		cpsw_ale_stop(cpsw->ale);  in cpsw_ndo_stop()
894 		cpsw_destroy_xdp_rxqs(cpsw);  in cpsw_ndo_stop()
896 	for_each_slave(priv, cpsw_slave_stop, cpsw);  in cpsw_ndo_stop()
898 	if (cpsw_need_resplit(cpsw))  in cpsw_ndo_stop()
899 		cpsw_split_res(cpsw);  in cpsw_ndo_stop()
901 	cpsw->usage_count--;  in cpsw_ndo_stop()
902 	pm_runtime_put_sync(cpsw->dev);  in cpsw_ndo_stop()
910 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_ndo_start_xmit()  local
911 	struct cpts *cpts = cpsw->cpts;  in cpsw_ndo_start_xmit()
918 		ndev->stats.tx_dropped++;  in cpsw_ndo_start_xmit()
922 	if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP &&  in cpsw_ndo_start_xmit()
923 	    priv->tx_ts_enabled && cpts_can_timestamp(cpts, skb))  in cpsw_ndo_start_xmit()
924 		skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;  in cpsw_ndo_start_xmit()
927 	if (q_idx >= cpsw->tx_ch_num)  in cpsw_ndo_start_xmit()
928 		q_idx = q_idx % cpsw->tx_ch_num;  in cpsw_ndo_start_xmit()
930 	txch = cpsw->txv[q_idx].ch;  in cpsw_ndo_start_xmit()
933 	ret = cpdma_chan_submit(txch, skb, skb->data, skb->len,  in cpsw_ndo_start_xmit()
934 				priv->emac_port + cpsw->data.dual_emac);  in cpsw_ndo_start_xmit()
955 	ndev->stats.tx_dropped++;  in cpsw_ndo_start_xmit()
971 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_ndo_set_mac_address()  local
976 	if (!is_valid_ether_addr(addr->sa_data))  in cpsw_ndo_set_mac_address()
977 		return -EADDRNOTAVAIL;  in cpsw_ndo_set_mac_address()
979 	ret = pm_runtime_get_sync(cpsw->dev);  in cpsw_ndo_set_mac_address()
981 		pm_runtime_put_noidle(cpsw->dev);  in cpsw_ndo_set_mac_address()
985 	if (cpsw->data.dual_emac) {  in cpsw_ndo_set_mac_address()
986 		vid = cpsw->slaves[priv->emac_port].port_vlan;  in cpsw_ndo_set_mac_address()
990 	cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr, HOST_PORT_NUM,  in cpsw_ndo_set_mac_address()
992 	cpsw_ale_add_ucast(cpsw->ale, addr->sa_data, HOST_PORT_NUM,  in cpsw_ndo_set_mac_address()
995 	memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);  in cpsw_ndo_set_mac_address()
996 	memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN);  in cpsw_ndo_set_mac_address()
999 	pm_runtime_put(cpsw->dev);  in cpsw_ndo_set_mac_address()
1011 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_add_vlan_ale_entry()  local
1013 	if (cpsw->data.dual_emac) {  in cpsw_add_vlan_ale_entry()
1014 		port_mask = (1 << (priv->emac_port + 1)) | ALE_PORT_HOST;  in cpsw_add_vlan_ale_entry()
1017 		if (priv->ndev->flags & IFF_ALLMULTI)  in cpsw_add_vlan_ale_entry()
1023 		if (priv->ndev->flags & IFF_ALLMULTI)  in cpsw_add_vlan_ale_entry()
1029 	ret = cpsw_ale_add_vlan(cpsw->ale, vid, port_mask, 0, port_mask,  in cpsw_add_vlan_ale_entry()
1034 	ret = cpsw_ale_add_ucast(cpsw->ale, priv->mac_addr,  in cpsw_add_vlan_ale_entry()
1039 	ret = cpsw_ale_add_mcast(cpsw->ale, priv->ndev->broadcast,  in cpsw_add_vlan_ale_entry()
1046 	cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr,  in cpsw_add_vlan_ale_entry()
1049 	cpsw_ale_del_vlan(cpsw->ale, vid, 0);  in cpsw_add_vlan_ale_entry()
1057 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_ndo_vlan_rx_add_vid()  local
1060 	if (vid == cpsw->data.default_vlan)  in cpsw_ndo_vlan_rx_add_vid()
1063 	ret = pm_runtime_get_sync(cpsw->dev);  in cpsw_ndo_vlan_rx_add_vid()
1065 		pm_runtime_put_noidle(cpsw->dev);  in cpsw_ndo_vlan_rx_add_vid()
1069 	if (cpsw->data.dual_emac) {  in cpsw_ndo_vlan_rx_add_vid()
1076 		for (i = 0; i < cpsw->data.slaves; i++) {  in cpsw_ndo_vlan_rx_add_vid()
1077 			if (vid == cpsw->slaves[i].port_vlan) {  in cpsw_ndo_vlan_rx_add_vid()
1078 				ret = -EINVAL;  in cpsw_ndo_vlan_rx_add_vid()
1084 	dev_info(priv->dev, "Adding vlanid %d to vlan filter\n", vid);  in cpsw_ndo_vlan_rx_add_vid()
1087 	pm_runtime_put(cpsw->dev);  in cpsw_ndo_vlan_rx_add_vid()
1095 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_ndo_vlan_rx_kill_vid()  local
1098 	if (vid == cpsw->data.default_vlan)  in cpsw_ndo_vlan_rx_kill_vid()
1101 	ret = pm_runtime_get_sync(cpsw->dev);  in cpsw_ndo_vlan_rx_kill_vid()
1103 		pm_runtime_put_noidle(cpsw->dev);  in cpsw_ndo_vlan_rx_kill_vid()
1107 	if (cpsw->data.dual_emac) {  in cpsw_ndo_vlan_rx_kill_vid()
1110 		for (i = 0; i < cpsw->data.slaves; i++) {  in cpsw_ndo_vlan_rx_kill_vid()
1111 			if (vid == cpsw->slaves[i].port_vlan)  in cpsw_ndo_vlan_rx_kill_vid()
1116 	dev_info(priv->dev, "removing vlanid %d from vlan filter\n", vid);  in cpsw_ndo_vlan_rx_kill_vid()
1117 	ret = cpsw_ale_del_vlan(cpsw->ale, vid, 0);  in cpsw_ndo_vlan_rx_kill_vid()
1118 	ret |= cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr,  in cpsw_ndo_vlan_rx_kill_vid()
1120 	ret |= cpsw_ale_del_mcast(cpsw->ale, priv->ndev->broadcast,  in cpsw_ndo_vlan_rx_kill_vid()
1122 	ret |= cpsw_ale_flush_multicast(cpsw->ale, ALE_PORT_HOST, vid);  in cpsw_ndo_vlan_rx_kill_vid()
1124 	pm_runtime_put(cpsw->dev);  in cpsw_ndo_vlan_rx_kill_vid()
1132 	struct cpsw_common *cpsw = priv->cpsw;  in cpsw_ndo_xdp_xmit()  local
1137 		return -EINVAL;  in cpsw_ndo_xdp_xmit()
1141 		if (xdpf->len < CPSW_MIN_PACKET_SIZE) {  in cpsw_ndo_xdp_xmit()
1147 		port = priv->emac_port + cpsw->data.dual_emac;  in cpsw_ndo_xdp_xmit()
1152 	return n - drops;  in cpsw_ndo_xdp_xmit()
1158 	struct cpsw_common *cpsw = ndev_to_cpsw(ndev);  in cpsw_ndo_poll_controller()  local
1160 	cpsw_intr_disable(cpsw);  in cpsw_ndo_poll_controller()
1161 	cpsw_rx_interrupt(cpsw->irqs_table[0], cpsw);  in cpsw_ndo_poll_controller()
1162 	cpsw_tx_interrupt(cpsw->irqs_table[1], cpsw);  in cpsw_ndo_poll_controller()
1163 	cpsw_intr_enable(cpsw);  in cpsw_ndo_poll_controller()
1190 	struct cpsw_common *cpsw = ndev_to_cpsw(ndev);  in cpsw_get_drvinfo()  local
1191 	struct platform_device	*pdev = to_platform_device(cpsw->dev);  in cpsw_get_drvinfo()
1193 	strlcpy(info->driver, "cpsw", sizeof(info->driver));  in cpsw_get_drvinfo()
1194 	strlcpy(info->version, "1.0", sizeof(info->version));  in cpsw_get_drvinfo()
1195 	strlcpy(info->bus_info, pdev->name, sizeof(info->bus_info));  in cpsw_get_drvinfo()
1204 	priv->rx_pause = pause->rx_pause ? true : false;  in cpsw_set_pauseparam()
1205 	priv->tx_pause = pause->tx_pause ? true : false;  in cpsw_set_pauseparam()
1251 	struct device_node *node = pdev->dev.of_node;  in cpsw_probe_dt()
1257 		return -EINVAL;  in cpsw_probe_dt()
1260 		dev_err(&pdev->dev, "Missing slaves property in the DT.\n");  in cpsw_probe_dt()
1261 		return -EINVAL;  in cpsw_probe_dt()
1263 	data->slaves = prop;  in cpsw_probe_dt()
1266 		dev_err(&pdev->dev, "Missing active_slave property in the DT.\n");  in cpsw_probe_dt()
1267 		return -EINVAL;  in cpsw_probe_dt()
1269 	data->active_slave = prop;  in cpsw_probe_dt()
1271 	data->slave_data = devm_kcalloc(&pdev->dev,  in cpsw_probe_dt()
1272 					data->slaves,  in cpsw_probe_dt()
1275 	if (!data->slave_data)  in cpsw_probe_dt()
1276 		return -ENOMEM;  in cpsw_probe_dt()
1279 		dev_err(&pdev->dev, "Missing cpdma_channels property in the DT.\n");  in cpsw_probe_dt()
1280 		return -EINVAL;  in cpsw_probe_dt()
1282 	data->channels = prop;  in cpsw_probe_dt()
1285 		dev_err(&pdev->dev, "Missing bd_ram_size property in the DT.\n");  in cpsw_probe_dt()
1286 		return -EINVAL;  in cpsw_probe_dt()
1288 	data->bd_ram_size = prop;  in cpsw_probe_dt()
1291 		dev_err(&pdev->dev, "Missing mac_control property in the DT.\n");  in cpsw_probe_dt()
1292 		return -EINVAL;  in cpsw_probe_dt()
1294 	data->mac_control = prop;  in cpsw_probe_dt()
1297 		data->dual_emac = true;  in cpsw_probe_dt()
1302 	ret = of_platform_populate(node, NULL, NULL, &pdev->dev);  in cpsw_probe_dt()
1305 		dev_warn(&pdev->dev, "Doesn't have any child node\n");  in cpsw_probe_dt()
1308 		struct cpsw_slave_data *slave_data = data->slave_data + i;  in cpsw_probe_dt()
1317 		slave_data->ifphy = devm_of_phy_get(&pdev->dev, slave_node,  in cpsw_probe_dt()
1320 		    IS_ERR(slave_data->ifphy)) {  in cpsw_probe_dt()
1321 			ret = PTR_ERR(slave_data->ifphy);  in cpsw_probe_dt()
1322 			dev_err(&pdev->dev,  in cpsw_probe_dt()
1327 		slave_data->slave_node = slave_node;  in cpsw_probe_dt()
1328 		slave_data->phy_node = of_parse_phandle(slave_node,  in cpsw_probe_dt()
1329 							"phy-handle", 0);  in cpsw_probe_dt()
1331 		if (slave_data->phy_node) {  in cpsw_probe_dt()
1332 			dev_dbg(&pdev->dev,  in cpsw_probe_dt()
1333 				"slave[%d] using phy-handle=\"%pOF\"\n",  in cpsw_probe_dt()
1334 				i, slave_data->phy_node);  in cpsw_probe_dt()
1341 				if (ret != -EPROBE_DEFER)  in cpsw_probe_dt()
1342 					dev_err(&pdev->dev, "failed to register fixed-link phy: %d\n", ret);  in cpsw_probe_dt()
1345 			slave_data->phy_node = of_node_get(slave_node);  in cpsw_probe_dt()
1352 				dev_err(&pdev->dev, "Invalid slave[%d] phy_id property\n", i);  in cpsw_probe_dt()
1360 				dev_err(&pdev->dev, "Missing mdio platform device\n");  in cpsw_probe_dt()
1361 				ret = -EINVAL;  in cpsw_probe_dt()
1364 			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),  in cpsw_probe_dt()
1365 				 PHY_ID_FMT, mdio->name, phyid);  in cpsw_probe_dt()
1366 			put_device(&mdio->dev);  in cpsw_probe_dt()
1368 			dev_err(&pdev->dev,  in cpsw_probe_dt()
1369 				"No slave[%d] phy_id, phy-handle, or fixed-link property\n",  in cpsw_probe_dt()
1373 		ret = of_get_phy_mode(slave_node, &slave_data->phy_if);  in cpsw_probe_dt()
1375 			dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n",  in cpsw_probe_dt()
1383 			ether_addr_copy(slave_data->mac_addr, mac_addr);  in cpsw_probe_dt()
1385 			ret = ti_cm_get_macid(&pdev->dev, i,  in cpsw_probe_dt()
1386 					      slave_data->mac_addr);  in cpsw_probe_dt()
1390 		if (data->dual_emac) {  in cpsw_probe_dt()
1393 				dev_err(&pdev->dev, "Missing dual_emac_res_vlan in DT.\n");  in cpsw_probe_dt()
1394 				slave_data->dual_emac_res_vlan = i+1;  in cpsw_probe_dt()
1395 				dev_err(&pdev->dev, "Using %d as Reserved VLAN for %d slave\n",  in cpsw_probe_dt()
1396 					slave_data->dual_emac_res_vlan, i);  in cpsw_probe_dt()
1398 				slave_data->dual_emac_res_vlan = prop;  in cpsw_probe_dt()
1403 		if (i == data->slaves) {  in cpsw_probe_dt()
1418 	struct cpsw_common *cpsw = platform_get_drvdata(pdev);  in cpsw_remove_dt()  local
1419 	struct cpsw_platform_data *data = &cpsw->data;  in cpsw_remove_dt()
1420 	struct device_node *node = pdev->dev.of_node;  in cpsw_remove_dt()
1425 		struct cpsw_slave_data *slave_data = &data->slave_data[i];  in cpsw_remove_dt()
1433 		of_node_put(slave_data->phy_node);  in cpsw_remove_dt()
1436 		if (i == data->slaves) {  in cpsw_remove_dt()
1442 	of_platform_depopulate(&pdev->dev);  in cpsw_remove_dt()
1447 	struct cpsw_common		*cpsw = priv->cpsw;  in cpsw_probe_dual_emac()  local
1448 	struct cpsw_platform_data	*data = &cpsw->data;  in cpsw_probe_dual_emac()
1453 	ndev = devm_alloc_etherdev_mqs(cpsw->dev, sizeof(struct cpsw_priv),  in cpsw_probe_dual_emac()
1456 		dev_err(cpsw->dev, "cpsw: error allocating net_device\n");  in cpsw_probe_dual_emac()
1457 		return -ENOMEM;  in cpsw_probe_dual_emac()
1461 	priv_sl2->cpsw = cpsw;  in cpsw_probe_dual_emac()
1462 	priv_sl2->ndev = ndev;  in cpsw_probe_dual_emac()
1463 	priv_sl2->dev  = &ndev->dev;  in cpsw_probe_dual_emac()
1464 	priv_sl2->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG);  in cpsw_probe_dual_emac()
1466 	if (is_valid_ether_addr(data->slave_data[1].mac_addr)) {  in cpsw_probe_dual_emac()
1467 		memcpy(priv_sl2->mac_addr, data->slave_data[1].mac_addr,  in cpsw_probe_dual_emac()
1469 		dev_info(cpsw->dev, "cpsw: Detected MACID = %pM\n",  in cpsw_probe_dual_emac()
1470 			 priv_sl2->mac_addr);  in cpsw_probe_dual_emac()
1472 		eth_random_addr(priv_sl2->mac_addr);  in cpsw_probe_dual_emac()
1473 		dev_info(cpsw->dev, "cpsw: Random MACID = %pM\n",  in cpsw_probe_dual_emac()
1474 			 priv_sl2->mac_addr);  in cpsw_probe_dual_emac()
1476 	memcpy(ndev->dev_addr, priv_sl2->mac_addr, ETH_ALEN);  in cpsw_probe_dual_emac()
1478 	priv_sl2->emac_port = 1;  in cpsw_probe_dual_emac()
1479 	cpsw->slaves[1].ndev = ndev;  in cpsw_probe_dual_emac()
1480 	ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_RX;  in cpsw_probe_dual_emac()
1482 	ndev->netdev_ops = &cpsw_netdev_ops;  in cpsw_probe_dual_emac()
1483 	ndev->ethtool_ops = &cpsw_ethtool_ops;  in cpsw_probe_dual_emac()
1486 	SET_NETDEV_DEV(ndev, cpsw->dev);  in cpsw_probe_dual_emac()
1487 	ndev->dev.of_node = cpsw->slaves[1].data->slave_node;  in cpsw_probe_dual_emac()
1490 		dev_err(cpsw->dev, "cpsw: error registering net device\n");  in cpsw_probe_dual_emac()
1496 	{ .compatible = "ti,cpsw"},
1497 	{ .compatible = "ti,am335x-cpsw"},
1498 	{ .compatible = "ti,am4372-cpsw"},
1499 	{ .compatible = "ti,dra7-cpsw"},
1511 	struct device			*dev = &pdev->dev;  in cpsw_probe()
1520 	struct cpsw_common		*cpsw;  in cpsw_probe()  local
1524 	cpsw = devm_kzalloc(dev, sizeof(struct cpsw_common), GFP_KERNEL);  in cpsw_probe()
1525 	if (!cpsw)  in cpsw_probe()
1526 		return -ENOMEM;  in cpsw_probe()
1528 	platform_set_drvdata(pdev, cpsw);  in cpsw_probe()
1531 	cpsw->dev = dev;  in cpsw_probe()
1546 	cpsw->bus_freq_mhz = clk_get_rate(clk) / 1000000;  in cpsw_probe()
1552 	cpsw->regs = ss_regs;  in cpsw_probe()
1554 	cpsw->wr_regs = devm_platform_ioremap_resource(pdev, 1);  in cpsw_probe()
1555 	if (IS_ERR(cpsw->wr_regs))  in cpsw_probe()
1556 		return PTR_ERR(cpsw->wr_regs);  in cpsw_probe()
1562 	cpsw->irqs_table[0] = irq;  in cpsw_probe()
1568 	cpsw->irqs_table[1] = irq;  in cpsw_probe()
1574 	cpsw->misc_irq = irq;  in cpsw_probe()
1590 	ret = cpsw_probe_dt(&cpsw->data, pdev);  in cpsw_probe()
1596 		cpsw->quirk_irq = true;  in cpsw_probe()
1598 	data = &cpsw->data;  in cpsw_probe()
1599 	cpsw->slaves = devm_kcalloc(dev,  in cpsw_probe()
1600 				    data->slaves, sizeof(struct cpsw_slave),  in cpsw_probe()
1602 	if (!cpsw->slaves) {  in cpsw_probe()
1603 		ret = -ENOMEM;  in cpsw_probe()
1607 	cpsw->rx_packet_max = max(rx_packet_max, CPSW_MAX_PACKET_SIZE);  in cpsw_probe()
1608 	cpsw->descs_pool_size = descs_pool_size;  in cpsw_probe()
1610 	ret = cpsw_init_common(cpsw, ss_regs, ale_ageout,  in cpsw_probe()
1611 			       ss_res->start + CPSW2_BD_OFFSET,  in cpsw_probe()
1616 	ch = cpsw->quirk_irq ? 0 : 7;  in cpsw_probe()
1617 	cpsw->txv[0].ch = cpdma_chan_create(cpsw->dma, ch, cpsw_tx_handler, 0);  in cpsw_probe()
1618 	if (IS_ERR(cpsw->txv[0].ch)) {  in cpsw_probe()
1620 		ret = PTR_ERR(cpsw->txv[0].ch);  in cpsw_probe()
1624 	cpsw->rxv[0].ch = cpdma_chan_create(cpsw->dma, 0, cpsw_rx_handler, 1);  in cpsw_probe()
1625 	if (IS_ERR(cpsw->rxv[0].ch)) {  in cpsw_probe()
1627 		ret = PTR_ERR(cpsw->rxv[0].ch);  in cpsw_probe()
1630 	cpsw_split_res(cpsw);  in cpsw_probe()
1637 		ret = -ENOMEM;  in cpsw_probe()
1642 	priv->cpsw = cpsw;  in cpsw_probe()
1643 	priv->ndev = ndev;  in cpsw_probe()
1644 	priv->dev  = dev;  in cpsw_probe()
1645 	priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG);  in cpsw_probe()
1646 	priv->emac_port = 0;  in cpsw_probe()
1648 	if (is_valid_ether_addr(data->slave_data[0].mac_addr)) {  in cpsw_probe()
1649 		memcpy(priv->mac_addr, data->slave_data[0].mac_addr, ETH_ALEN);  in cpsw_probe()
1650 		dev_info(dev, "Detected MACID = %pM\n", priv->mac_addr);  in cpsw_probe()
1652 		eth_random_addr(priv->mac_addr);  in cpsw_probe()
1653 		dev_info(dev, "Random MACID = %pM\n", priv->mac_addr);  in cpsw_probe()
1656 	memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN);  in cpsw_probe()
1658 	cpsw->slaves[0].ndev = ndev;  in cpsw_probe()
1660 	ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_RX;  in cpsw_probe()
1662 	ndev->netdev_ops = &cpsw_netdev_ops;  in cpsw_probe()
1663 	ndev->ethtool_ops = &cpsw_ethtool_ops;  in cpsw_probe()
1664 	netif_napi_add(ndev, &cpsw->napi_rx,  in cpsw_probe()
1665 		       cpsw->quirk_irq ? cpsw_rx_poll : cpsw_rx_mq_poll,  in cpsw_probe()
1667 	netif_tx_napi_add(ndev, &cpsw->napi_tx,  in cpsw_probe()
1668 			  cpsw->quirk_irq ? cpsw_tx_poll : cpsw_tx_mq_poll,  in cpsw_probe()
1673 	ndev->dev.of_node = cpsw->slaves[0].data->slave_node;  in cpsw_probe()
1677 		ret = -ENODEV;  in cpsw_probe()
1681 	if (cpsw->data.dual_emac) {  in cpsw_probe()
1696 	ret = devm_request_irq(dev, cpsw->irqs_table[0], cpsw_rx_interrupt,  in cpsw_probe()
1697 			       0, dev_name(dev), cpsw);  in cpsw_probe()
1704 	ret = devm_request_irq(dev, cpsw->irqs_table[1], cpsw_tx_interrupt,  in cpsw_probe()
1705 			       0, dev_name(&pdev->dev), cpsw);  in cpsw_probe()
1711 	if (!cpsw->cpts)  in cpsw_probe()
1714 	ret = devm_request_irq(&pdev->dev, cpsw->misc_irq, cpsw_misc_interrupt,  in cpsw_probe()
1715 			       0, dev_name(&pdev->dev), cpsw);  in cpsw_probe()
1722 	cpts_set_irqpoll(cpsw->cpts, false);  in cpsw_probe()
1727 		    &ss_res->start, cpsw->irqs_table[0], descs_pool_size);  in cpsw_probe()
1729 	pm_runtime_put(&pdev->dev);  in cpsw_probe()
1736 	cpts_release(cpsw->cpts);  in cpsw_probe()
1737 	cpdma_ctlr_destroy(cpsw->dma);  in cpsw_probe()
1740 	pm_runtime_put_sync(&pdev->dev);  in cpsw_probe()
1742 	pm_runtime_disable(&pdev->dev);  in cpsw_probe()
1748 	struct cpsw_common *cpsw = platform_get_drvdata(pdev);  in cpsw_remove()  local
1751 	ret = pm_runtime_get_sync(&pdev->dev);  in cpsw_remove()
1753 		pm_runtime_put_noidle(&pdev->dev);  in cpsw_remove()
1757 	for (i = 0; i < cpsw->data.slaves; i++)  in cpsw_remove()
1758 		if (cpsw->slaves[i].ndev)  in cpsw_remove()
1759 			unregister_netdev(cpsw->slaves[i].ndev);  in cpsw_remove()
1761 	cpts_release(cpsw->cpts);  in cpsw_remove()
1762 	cpdma_ctlr_destroy(cpsw->dma);  in cpsw_remove()
1764 	pm_runtime_put_sync(&pdev->dev);  in cpsw_remove()
1765 	pm_runtime_disable(&pdev->dev);  in cpsw_remove()
1772 	struct cpsw_common *cpsw = dev_get_drvdata(dev);  in cpsw_suspend()  local
1777 	for (i = 0; i < cpsw->data.slaves; i++)  in cpsw_suspend()
1778 		if (cpsw->slaves[i].ndev)  in cpsw_suspend()
1779 			if (netif_running(cpsw->slaves[i].ndev))  in cpsw_suspend()
1780 				cpsw_ndo_stop(cpsw->slaves[i].ndev);  in cpsw_suspend()
1792 	struct cpsw_common *cpsw = dev_get_drvdata(dev);  in cpsw_resume()  local
1801 	for (i = 0; i < cpsw->data.slaves; i++)  in cpsw_resume()
1802 		if (cpsw->slaves[i].ndev)  in cpsw_resume()
1803 			if (netif_running(cpsw->slaves[i].ndev))  in cpsw_resume()
1804 				cpsw_ndo_open(cpsw->slaves[i].ndev);  in cpsw_resume()
1816 		.name	 = "cpsw",
1829 MODULE_DESCRIPTION("TI CPSW Ethernet driver");