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
9 struct net_device;
10 struct netdev_phys_item_id;
11 struct nfp_app;
12 struct nfp_pf;
13 struct 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 */
24 enum 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 */
37 enum nfp_port_flags {
38 NFP_PORT_CHANGED = 0,
39 };
40
41 enum {
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 */
73 struct 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
107 extern const struct ethtool_ops nfp_port_ethtool_ops;
108
109 int nfp_port_setup_tc(struct net_device *netdev, enum tc_setup_type type,
110 void *type_data);
111
nfp_port_is_vnic(const struct nfp_port * port)112 static 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
117 int
118 nfp_port_set_features(struct net_device *netdev, netdev_features_t features);
119
120 struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
121 int nfp_port_get_port_parent_id(struct net_device *netdev,
122 struct netdev_phys_item_id *ppid);
123 struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
124 struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
125
126 int
127 nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);
128 int nfp_port_configure(struct net_device *netdev, bool configed);
129
130 struct nfp_port *
131 nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type,
132 struct net_device *netdev);
133 void nfp_port_free(struct nfp_port *port);
134
135 int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
136 struct nfp_port *port, unsigned int id);
137
138 int nfp_net_refresh_eth_port(struct nfp_port *port);
139 void nfp_net_refresh_port_table(struct nfp_port *port);
140 int nfp_net_refresh_port_table_sync(struct nfp_pf *pf);
141
142 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port);
143 void nfp_devlink_port_unregister(struct nfp_port *port);
144 void nfp_devlink_port_type_eth_set(struct nfp_port *port);
145 void nfp_devlink_port_type_clear(struct nfp_port *port);
146
147 /* Mac stats (0x0000 - 0x0200)
148 * all counters are 64bit.
149 */
150 #define NFP_MAC_STATS_BASE 0x0000
151 #define NFP_MAC_STATS_SIZE 0x0200
152
153 #define NFP_MAC_STATS_RX_IN_OCTETS (NFP_MAC_STATS_BASE + 0x000)
154 /* unused 0x008 */
155 #define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS (NFP_MAC_STATS_BASE + 0x010)
156 #define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS (NFP_MAC_STATS_BASE + 0x018)
157 #define NFP_MAC_STATS_RX_VLAN_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x020)
158 #define NFP_MAC_STATS_RX_IN_ERRORS (NFP_MAC_STATS_BASE + 0x028)
159 #define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x030)
160 #define NFP_MAC_STATS_RX_DROP_EVENTS (NFP_MAC_STATS_BASE + 0x038)
161 #define NFP_MAC_STATS_RX_ALIGNMENT_ERRORS (NFP_MAC_STATS_BASE + 0x040)
162 #define NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x048)
163 #define NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x050)
164 #define NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS (NFP_MAC_STATS_BASE + 0x058)
165 #define NFP_MAC_STATS_RX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x060)
166 #define NFP_MAC_STATS_RX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x068)
167 #define NFP_MAC_STATS_RX_PKTS (NFP_MAC_STATS_BASE + 0x070)
168 #define NFP_MAC_STATS_RX_UNDERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x078)
169 #define NFP_MAC_STATS_RX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x080)
170 #define NFP_MAC_STATS_RX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x088)
171 #define NFP_MAC_STATS_RX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x090)
172 #define NFP_MAC_STATS_RX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x098)
173 #define NFP_MAC_STATS_RX_JABBERS (NFP_MAC_STATS_BASE + 0x0a0)
174 #define NFP_MAC_STATS_RX_FRAGMENTS (NFP_MAC_STATS_BASE + 0x0a8)
175 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x0b0)
176 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x0b8)
177 #define NFP_MAC_STATS_RX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x0c0)
178 #define NFP_MAC_STATS_RX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x0c8)
179 #define NFP_MAC_STATS_RX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x0d0)
180 #define NFP_MAC_STATS_RX_OVERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x0d8)
181 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x0e0)
182 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x0e8)
183 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x0f0)
184 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x0f8)
185 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x100)
186 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x108)
187 #define NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED (NFP_MAC_STATS_BASE + 0x110)
188 #define NFP_MAC_STATS_RX_MAC_HEAD_DROP (NFP_MAC_STATS_BASE + 0x118)
189 /* unused 0x120 */
190 /* unused 0x128 */
191 /* unused 0x130 */
192 #define NFP_MAC_STATS_TX_QUEUE_DROP (NFP_MAC_STATS_BASE + 0x138)
193 #define NFP_MAC_STATS_TX_OUT_OCTETS (NFP_MAC_STATS_BASE + 0x140)
194 /* unused 0x148 */
195 #define NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x150)
196 #define NFP_MAC_STATS_TX_OUT_ERRORS (NFP_MAC_STATS_BASE + 0x158)
197 #define NFP_MAC_STATS_TX_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x160)
198 #define NFP_MAC_STATS_TX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x168)
199 #define NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x170)
200 #define NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x178)
201 #define NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x180)
202 #define NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x188)
203 #define NFP_MAC_STATS_TX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x190)
204 #define NFP_MAC_STATS_TX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x198)
205 #define NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x1a0)
206 #define NFP_MAC_STATS_TX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x1a8)
207 #define NFP_MAC_STATS_TX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x1b0)
208 #define NFP_MAC_STATS_TX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x1b8)
209 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x1c0)
210 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x1c8)
211 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x1d0)
212 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x1d8)
213 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x1e0)
214 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x1e8)
215 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x1f0)
216 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x1f8)
217
218 #endif
219