nfp_port.h

  1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
  2/* Copyright (C) 2017-2018 Netronome Systems, Inc. */
  3
  4#ifndef _NFP_PORT_H_
  5#define _NFP_PORT_H_
  6
  7#include <net/devlink.h>
  8
  9struct net_device;
 10struct netdev_phys_item_id;
 11struct nfp_app;
 12struct nfp_pf;
 13struct nfp_port;
 14
 15/**
 16 * enum nfp_port_type - type of port NFP can switch traffic to
 17 * @NFP_PORT_INVALID:	port is invalid, %NFP_PORT_PHYS_PORT transitions to this
 18 *			state when port disappears because of FW fault or config
 19 *			change
 20 * @NFP_PORT_PHYS_PORT:	external NIC port
 21 * @NFP_PORT_PF_PORT:	logical port of PCI PF
 22 * @NFP_PORT_VF_PORT:	logical port of PCI VF
 23 */
 24enum nfp_port_type {
 25	NFP_PORT_INVALID,
 26	NFP_PORT_PHYS_PORT,
 27	NFP_PORT_PF_PORT,
 28	NFP_PORT_VF_PORT,
 29};
 30
 31/**
 32 * enum nfp_port_flags - port flags (can be type-specific)
 33 * @NFP_PORT_CHANGED:	port state has changed since last eth table refresh;
 34 *			for NFP_PORT_PHYS_PORT, never set otherwise; must hold
 35 *			rtnl_lock to clear
 36 */
 37enum nfp_port_flags {
 38	NFP_PORT_CHANGED = 0,
 39};
 40
 41enum {
 42	NFP_SPEED_1G,
 43	NFP_SPEED_10G,
 44	NFP_SPEED_25G,
 45	NFP_SPEED_40G,
 46	NFP_SPEED_50G,
 47	NFP_SPEED_100G,
 48	NFP_SUP_SPEED_NUMBER
 49};
 50
 51/**
 52 * struct nfp_port - structure representing NFP port
 53 * @netdev:	backpointer to associated netdev
 54 * @type:	what port type does the entity represent
 55 * @flags:	port flags
 56 * @tc_offload_cnt:	number of active TC offloads, how offloads are counted
 57 *			is not defined, use as a boolean
 58 * @app:	backpointer to the app structure
 59 * @link_cb:	callback when link status changed
 60 * @dl_port:	devlink port structure
 61 * @eth_id:	for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme
 62 * @eth_forced:	for %NFP_PORT_PHYS_PORT port is forced UP or DOWN, don't change
 63 * @eth_port:	for %NFP_PORT_PHYS_PORT translated ETH Table port entry
 64 * @eth_stats:	for %NFP_PORT_PHYS_PORT MAC stats if available
 65 * @speed_bitmap:	for %NFP_PORT_PHYS_PORT supported speed bitmap
 66 * @pf_id:	for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT ID of the PCI PF (0-3)
 67 * @vf_id:	for %NFP_PORT_VF_PORT ID of the PCI VF within @pf_id
 68 * @pf_split:	for %NFP_PORT_PF_PORT %true if PCI PF has more than one vNIC
 69 * @pf_split_id:for %NFP_PORT_PF_PORT ID of PCI PF vNIC (valid if @pf_split)
 70 * @vnic:	for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT vNIC ctrl memory
 71 * @port_list:	entry on pf's list of ports
 72 */
 73struct nfp_port {
 74	struct net_device *netdev;
 75	enum nfp_port_type type;
 76
 77	unsigned long flags;
 78	unsigned long tc_offload_cnt;
 79
 80	struct nfp_app *app;
 81	void (*link_cb)(struct nfp_port *port);
 82
 83	struct devlink_port dl_port;
 84
 85	union {
 86		/* NFP_PORT_PHYS_PORT */
 87		struct {
 88			unsigned int eth_id;
 89			bool eth_forced;
 90			struct nfp_eth_table_port *eth_port;
 91			u8 __iomem *eth_stats;
 92			DECLARE_BITMAP(speed_bitmap, NFP_SUP_SPEED_NUMBER);
 93		};
 94		/* NFP_PORT_PF_PORT, NFP_PORT_VF_PORT */
 95		struct {
 96			unsigned int pf_id;
 97			unsigned int vf_id;
 98			bool pf_split;
 99			unsigned int pf_split_id;
100			u8 __iomem *vnic;
101		};
102	};
103
104	struct list_head port_list;
105};
106
107extern const struct ethtool_ops nfp_port_ethtool_ops;
108
109int nfp_port_setup_tc(struct net_device *netdev, enum tc_setup_type type,
110		      void *type_data);
111
112static inline bool nfp_port_is_vnic(const struct nfp_port *port)
113{
114	return port->type == NFP_PORT_PF_PORT || port->type == NFP_PORT_VF_PORT;
115}
116
117int
118nfp_port_set_features(struct net_device *netdev, netdev_features_t features);
119
120struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
121int nfp_port_get_port_parent_id(struct net_device *netdev,
122				struct netdev_phys_item_id *ppid);
123struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
124struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
125
126int
127nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);
128int nfp_port_configure(struct net_device *netdev, bool configed);
129
130struct nfp_port *
131nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type,
132	       struct net_device *netdev);
133void nfp_port_free(struct nfp_port *port);
134
135int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
136			   struct nfp_port *port, unsigned int id);
137
138int nfp_net_refresh_eth_port(struct nfp_port *port);
139void nfp_net_refresh_port_table(struct nfp_port *port);
140int nfp_net_refresh_port_table_sync(struct nfp_pf *pf);
141
142int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port);
143void nfp_devlink_port_unregister(struct nfp_port *port);
144
145/* Mac stats (0x0000 - 0x0200)
146 * all counters are 64bit.
147 */
148#define NFP_MAC_STATS_BASE                0x0000
149#define NFP_MAC_STATS_SIZE                0x0200
150
151#define NFP_MAC_STATS_RX_IN_OCTETS			(NFP_MAC_STATS_BASE + 0x000)
152							/* unused 0x008 */
153#define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS		(NFP_MAC_STATS_BASE + 0x010)
154#define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS		(NFP_MAC_STATS_BASE + 0x018)
155#define NFP_MAC_STATS_RX_VLAN_RECEIVED_OK		(NFP_MAC_STATS_BASE + 0x020)
156#define NFP_MAC_STATS_RX_IN_ERRORS			(NFP_MAC_STATS_BASE + 0x028)
157#define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS		(NFP_MAC_STATS_BASE + 0x030)
158#define NFP_MAC_STATS_RX_DROP_EVENTS			(NFP_MAC_STATS_BASE + 0x038)
159#define NFP_MAC_STATS_RX_ALIGNMENT_ERRORS		(NFP_MAC_STATS_BASE + 0x040)
160#define NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES		(NFP_MAC_STATS_BASE + 0x048)
161#define NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK		(NFP_MAC_STATS_BASE + 0x050)
162#define NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS	(NFP_MAC_STATS_BASE + 0x058)
163#define NFP_MAC_STATS_RX_UNICAST_PKTS			(NFP_MAC_STATS_BASE + 0x060)
164#define NFP_MAC_STATS_RX_MULTICAST_PKTS			(NFP_MAC_STATS_BASE + 0x068)
165#define NFP_MAC_STATS_RX_PKTS				(NFP_MAC_STATS_BASE + 0x070)
166#define NFP_MAC_STATS_RX_UNDERSIZE_PKTS			(NFP_MAC_STATS_BASE + 0x078)
167#define NFP_MAC_STATS_RX_PKTS_64_OCTETS			(NFP_MAC_STATS_BASE + 0x080)
168#define NFP_MAC_STATS_RX_PKTS_65_TO_127_OCTETS		(NFP_MAC_STATS_BASE + 0x088)
169#define NFP_MAC_STATS_RX_PKTS_512_TO_1023_OCTETS	(NFP_MAC_STATS_BASE + 0x090)
170#define NFP_MAC_STATS_RX_PKTS_1024_TO_1518_OCTETS	(NFP_MAC_STATS_BASE + 0x098)
171#define NFP_MAC_STATS_RX_JABBERS			(NFP_MAC_STATS_BASE + 0x0a0)
172#define NFP_MAC_STATS_RX_FRAGMENTS			(NFP_MAC_STATS_BASE + 0x0a8)
173#define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2		(NFP_MAC_STATS_BASE + 0x0b0)
174#define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3		(NFP_MAC_STATS_BASE + 0x0b8)
175#define NFP_MAC_STATS_RX_PKTS_128_TO_255_OCTETS		(NFP_MAC_STATS_BASE + 0x0c0)
176#define NFP_MAC_STATS_RX_PKTS_256_TO_511_OCTETS		(NFP_MAC_STATS_BASE + 0x0c8)
177#define NFP_MAC_STATS_RX_PKTS_1519_TO_MAX_OCTETS	(NFP_MAC_STATS_BASE + 0x0d0)
178#define NFP_MAC_STATS_RX_OVERSIZE_PKTS			(NFP_MAC_STATS_BASE + 0x0d8)
179#define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0		(NFP_MAC_STATS_BASE + 0x0e0)
180#define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1		(NFP_MAC_STATS_BASE + 0x0e8)
181#define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4		(NFP_MAC_STATS_BASE + 0x0f0)
182#define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5		(NFP_MAC_STATS_BASE + 0x0f8)
183#define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6		(NFP_MAC_STATS_BASE + 0x100)
184#define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7		(NFP_MAC_STATS_BASE + 0x108)
185#define NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED	(NFP_MAC_STATS_BASE + 0x110)
186#define NFP_MAC_STATS_RX_MAC_HEAD_DROP			(NFP_MAC_STATS_BASE + 0x118)
187							/* unused 0x120 */
188							/* unused 0x128 */
189							/* unused 0x130 */
190#define NFP_MAC_STATS_TX_QUEUE_DROP			(NFP_MAC_STATS_BASE + 0x138)
191#define NFP_MAC_STATS_TX_OUT_OCTETS			(NFP_MAC_STATS_BASE + 0x140)
192							/* unused 0x148 */
193#define NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK		(NFP_MAC_STATS_BASE + 0x150)
194#define NFP_MAC_STATS_TX_OUT_ERRORS			(NFP_MAC_STATS_BASE + 0x158)
195#define NFP_MAC_STATS_TX_BROADCAST_PKTS			(NFP_MAC_STATS_BASE + 0x160)
196#define NFP_MAC_STATS_TX_PKTS_64_OCTETS			(NFP_MAC_STATS_BASE + 0x168)
197#define NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS		(NFP_MAC_STATS_BASE + 0x170)
198#define NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS	(NFP_MAC_STATS_BASE + 0x178)
199#define NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES		(NFP_MAC_STATS_BASE + 0x180)
200#define NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK		(NFP_MAC_STATS_BASE + 0x188)
201#define NFP_MAC_STATS_TX_UNICAST_PKTS			(NFP_MAC_STATS_BASE + 0x190)
202#define NFP_MAC_STATS_TX_MULTICAST_PKTS			(NFP_MAC_STATS_BASE + 0x198)
203#define NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS		(NFP_MAC_STATS_BASE + 0x1a0)
204#define NFP_MAC_STATS_TX_PKTS_128_TO_255_OCTETS		(NFP_MAC_STATS_BASE + 0x1a8)
205#define NFP_MAC_STATS_TX_PKTS_1024_TO_1518_OCTETS	(NFP_MAC_STATS_BASE + 0x1b0)
206#define NFP_MAC_STATS_TX_PKTS_1519_TO_MAX_OCTETS	(NFP_MAC_STATS_BASE + 0x1b8)
207#define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS0		(NFP_MAC_STATS_BASE + 0x1c0)
208#define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS1		(NFP_MAC_STATS_BASE + 0x1c8)
209#define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS4		(NFP_MAC_STATS_BASE + 0x1d0)
210#define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS5		(NFP_MAC_STATS_BASE + 0x1d8)
211#define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS2		(NFP_MAC_STATS_BASE + 0x1e0)
212#define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS3		(NFP_MAC_STATS_BASE + 0x1e8)
213#define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS6		(NFP_MAC_STATS_BASE + 0x1f0)
214#define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS7		(NFP_MAC_STATS_BASE + 0x1f8)
215
216#endif