netronome/nfp/nfp_net.h

1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
2 /* Copyright (C) 2015-2018 Netronome Systems, Inc. */
21 #include <linux/io-64-nonatomic-hi-lo.h>
32 		if (__nn->dp.netdev)					\
33 			netdev_printk(lvl, __nn->dp.netdev, fmt, ## args); \
35 			dev_printk(lvl, __nn->dp.dev, "ctrl: " fmt, ## args); \
48 			if (__dp->netdev)				\
49 				netdev_warn(__dp->netdev, fmt, ## args); \
51 				dev_warn(__dp->dev, fmt, ## args);	\
118 #define D_IDX(ring, idx)	((idx) & ((ring)->cnt - 1))
126 		__d->dma_addr_lo = cpu_to_le32(lower_32_bits(__addr));	\
127 		__d->dma_addr_hi = upper_32_bits(__addr) & 0xff;	\
135 		__d->dma_addr_hi = cpu_to_le16(upper_32_bits(__addr));	\
136 		__d->dma_addr_lo = cpu_to_le32(lower_32_bits(__addr));	\
140  * struct nfp_net_tx_ring - TX ring structure
144  * @qcp_q:      Pointer to base of the QCP TX queue
253 #define NFP_NET_META_FIELD_MASK GENMASK(NFP_NET_META_FIELD_SIZE - 1, 0)
281  * struct nfp_net_rx_buf - software RX buffer descriptor
291  * struct nfp_net_xsk_rx_buf - software RX XSK buffer descriptor
301  * struct nfp_net_rx_ring - RX ring structure
308  * @qcp_fl:     Pointer to base of the QCP freelist queue
312  * @xdp_rxq:    RX-ring info avail for XDP
339  * struct nfp_net_r_vector - Per ring interrupt vector configuration
341  * @napi:           NAPI structure for this ring vec
349  * @irq_entry:      MSI-X table entry (use for talking to the device)
460 	return fw_ver->extend == extend &&  in nfp_net_fw_ver_eq()
461 	       fw_ver->class == class &&  in nfp_net_fw_ver_eq()
462 	       fw_ver->major == major &&  in nfp_net_fw_ver_eq()
463 	       fw_ver->minor == minor;  in nfp_net_fw_ver_eq()
472  * struct nfp_net_dp - NFP network device datapath data structure
485  * @tx_rings:		Array of pre-allocated TX ring structures
486  * @rx_rings:		Array of pre-allocated RX ring structures
547  * struct nfp_net - NFP network device structure
566  * @r_vecs:             Pre-allocated array of ring vectors
567  * @irq_entries:        Pre-allocated array of MSI-X entries
617  * @vnic_no_name:	For non-port PF vNIC make ndo_get_phys_port_name return
618  *			-EOPNOTSUPP to keep backwards compatibility (set by app)
782 	return readb(nn->dp.ctrl_bar + off);  in nn_readb()
787 	writeb(val, nn->dp.ctrl_bar + off);  in nn_writeb()
792 	return readw(nn->dp.ctrl_bar + off);  in nn_readw()
797 	writew(val, nn->dp.ctrl_bar + off);  in nn_writew()
802 	return readl(nn->dp.ctrl_bar + off);  in nn_readl()
807 	writel(val, nn->dp.ctrl_bar + off);  in nn_writel()
812 	return readq(nn->dp.ctrl_bar + off);  in nn_readq()
817 	writeq(val, nn->dp.ctrl_bar + off);  in nn_writeq()
844 /* nfp_qcp_ptr - Read or Write Pointer of a queue */
851  * nfp_qcp_rd_ptr_add() - Add the value to the read pointer of a queue
853  * @q:   Base address for queue structure
862  * nfp_qcp_wr_ptr_add() - Add the value to the write pointer of a queue
864  * @q:   Base address for queue structure
891  * nfp_qcp_rd_ptr_read() - Read the current read pointer value for a queue
892  * @q:  Base address for queue structure
902  * nfp_qcp_wr_ptr_read() - Read the current write pointer value for a queue
903  * @q:  Base address for queue structure
916 	WARN_ON_ONCE(!nn->dp.netdev && nn->port);  in nfp_net_is_data_vnic()
917 	return !!nn->dp.netdev;  in nfp_net_is_data_vnic()
922 	return nn->dp.ctrl & NFP_NET_CFG_CTRL_ENABLE;  in nfp_net_running()
927 	return nn->dp.netdev ? nn->dp.netdev->name : "ctrl";  in nfp_net_name()
931 	__acquires(&nn->r_vecs[0].lock)  in nfp_ctrl_lock()
933 	spin_lock_bh(&nn->r_vecs[0].lock);  in nfp_ctrl_lock()
937 	__releases(&nn->r_vecs[0].lock)  in nfp_ctrl_unlock()
939 	spin_unlock_bh(&nn->r_vecs[0].lock);  in nfp_ctrl_unlock()
944 	down(&nn->bar_lock);  in nn_ctrl_bar_lock()
949 	return !down_trylock(&nn->bar_lock);  in nn_ctrl_bar_trylock()
954 	up(&nn->bar_lock);  in nn_ctrl_bar_unlock()
965 	return netdev->netdev_ops == &nfp_nfd3_netdev_ops ||  in nfp_netdev_is_nfp_net()
966 	       netdev->netdev_ops == &nfp_nfdk_netdev_ops;  in nfp_netdev_is_nfp_net()
971 	if (param >= ((1 << 16) - 1))  in nfp_net_coalesce_para_check()
972 		return -EINVAL;  in nfp_net_coalesce_para_check()