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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