1 /*
2 * Copyright (C) 2017 Netronome Systems, Inc.
3 *
4 * This software is dual licensed under the GNU General License Version 2,
5 * June 1991 as shown in the file COPYING in the top-level directory of this
6 * source tree or the BSD 2-Clause License provided below. You have the
7 * option to license this software under the complete terms of either license.
8 *
9 * The BSD 2-Clause License:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34 #ifndef _NFP_PORT_H_
35 #define _NFP_PORT_H_
36
37 #include <net/devlink.h>
38
39 struct net_device;
40 struct nfp_app;
41 struct nfp_pf;
42 struct nfp_port;
43
44 /**
45 * enum nfp_port_type - type of port NFP can switch traffic to
46 * @NFP_PORT_INVALID: port is invalid, %NFP_PORT_PHYS_PORT transitions to this
47 * state when port disappears because of FW fault or config
48 * change
49 * @NFP_PORT_PHYS_PORT: external NIC port
50 * @NFP_PORT_PF_PORT: logical port of PCI PF
51 * @NFP_PORT_VF_PORT: logical port of PCI VF
52 */
53 enum nfp_port_type {
54 NFP_PORT_INVALID,
55 NFP_PORT_PHYS_PORT,
56 NFP_PORT_PF_PORT,
57 NFP_PORT_VF_PORT,
58 };
59
60 /**
61 * enum nfp_port_flags - port flags (can be type-specific)
62 * @NFP_PORT_CHANGED: port state has changed since last eth table refresh;
63 * for NFP_PORT_PHYS_PORT, never set otherwise; must hold
64 * rtnl_lock to clear
65 */
66 enum nfp_port_flags {
67 NFP_PORT_CHANGED = 0,
68 };
69
70 /**
71 * struct nfp_port - structure representing NFP port
72 * @netdev: backpointer to associated netdev
73 * @type: what port type does the entity represent
74 * @flags: port flags
75 * @app: backpointer to the app structure
76 * @dl_port: devlink port structure
77 * @eth_id: for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme
78 * @eth_port: for %NFP_PORT_PHYS_PORT translated ETH Table port entry
79 * @eth_stats: for %NFP_PORT_PHYS_PORT MAC stats if available
80 * @pf_id: for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT ID of the PCI PF (0-3)
81 * @vf_id: for %NFP_PORT_VF_PORT ID of the PCI VF within @pf_id
82 * @vnic: for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT vNIC ctrl memory
83 * @port_list: entry on pf's list of ports
84 */
85 struct nfp_port {
86 struct net_device *netdev;
87 enum nfp_port_type type;
88
89 unsigned long flags;
90
91 struct nfp_app *app;
92
93 struct devlink_port dl_port;
94
95 union {
96 /* NFP_PORT_PHYS_PORT */
97 struct {
98 unsigned int eth_id;
99 struct nfp_eth_table_port *eth_port;
100 u8 __iomem *eth_stats;
101 };
102 /* NFP_PORT_PF_PORT, NFP_PORT_VF_PORT */
103 struct {
104 unsigned int pf_id;
105 unsigned int vf_id;
106 u8 __iomem *vnic;
107 };
108 };
109
110 struct list_head port_list;
111 };
112
113 extern const struct ethtool_ops nfp_port_ethtool_ops;
114 extern const struct switchdev_ops nfp_port_switchdev_ops;
115
116 int nfp_port_setup_tc(struct net_device *netdev, enum tc_setup_type type,
117 void *type_data);
118
nfp_port_is_vnic(const struct nfp_port * port)119 static inline bool nfp_port_is_vnic(const struct nfp_port *port)
120 {
121 return port->type == NFP_PORT_PF_PORT || port->type == NFP_PORT_VF_PORT;
122 }
123
124 struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
125 struct nfp_port *
126 nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id);
127 struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
128 struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
129
130 int
131 nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);
132 int nfp_port_configure(struct net_device *netdev, bool configed);
133
134 struct nfp_port *
135 nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type,
136 struct net_device *netdev);
137 void nfp_port_free(struct nfp_port *port);
138
139 int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
140 struct nfp_port *port, unsigned int id);
141
142 int nfp_net_refresh_eth_port(struct nfp_port *port);
143 void nfp_net_refresh_port_table(struct nfp_port *port);
144 int nfp_net_refresh_port_table_sync(struct nfp_pf *pf);
145
146 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port);
147 void nfp_devlink_port_unregister(struct nfp_port *port);
148
149 /**
150 * Mac stats (0x0000 - 0x0200)
151 * all counters are 64bit.
152 */
153 #define NFP_MAC_STATS_BASE 0x0000
154 #define NFP_MAC_STATS_SIZE 0x0200
155
156 #define NFP_MAC_STATS_RX_IN_OCTETS (NFP_MAC_STATS_BASE + 0x000)
157 /* unused 0x008 */
158 #define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS (NFP_MAC_STATS_BASE + 0x010)
159 #define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS (NFP_MAC_STATS_BASE + 0x018)
160 #define NFP_MAC_STATS_RX_VLAN_REVEIVE_OK (NFP_MAC_STATS_BASE + 0x020)
161 #define NFP_MAC_STATS_RX_IN_ERRORS (NFP_MAC_STATS_BASE + 0x028)
162 #define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x030)
163 #define NFP_MAC_STATS_RX_DROP_EVENTS (NFP_MAC_STATS_BASE + 0x038)
164 #define NFP_MAC_STATS_RX_ALIGNMENT_ERRORS (NFP_MAC_STATS_BASE + 0x040)
165 #define NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x048)
166 #define NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x050)
167 #define NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS (NFP_MAC_STATS_BASE + 0x058)
168 #define NFP_MAC_STATS_RX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x060)
169 #define NFP_MAC_STATS_RX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x068)
170 #define NFP_MAC_STATS_RX_PKTS (NFP_MAC_STATS_BASE + 0x070)
171 #define NFP_MAC_STATS_RX_UNDERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x078)
172 #define NFP_MAC_STATS_RX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x080)
173 #define NFP_MAC_STATS_RX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x088)
174 #define NFP_MAC_STATS_RX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x090)
175 #define NFP_MAC_STATS_RX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x098)
176 #define NFP_MAC_STATS_RX_JABBERS (NFP_MAC_STATS_BASE + 0x0a0)
177 #define NFP_MAC_STATS_RX_FRAGMENTS (NFP_MAC_STATS_BASE + 0x0a8)
178 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x0b0)
179 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x0b8)
180 #define NFP_MAC_STATS_RX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x0c0)
181 #define NFP_MAC_STATS_RX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x0c8)
182 #define NFP_MAC_STATS_RX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x0d0)
183 #define NFP_MAC_STATS_RX_OVERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x0d8)
184 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x0e0)
185 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x0e8)
186 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x0f0)
187 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x0f8)
188 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x100)
189 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x108)
190 #define NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED (NFP_MAC_STATS_BASE + 0x110)
191 #define NFP_MAC_STATS_RX_MAC_HEAD_DROP (NFP_MAC_STATS_BASE + 0x118)
192 /* unused 0x120 */
193 /* unused 0x128 */
194 /* unused 0x130 */
195 #define NFP_MAC_STATS_TX_QUEUE_DROP (NFP_MAC_STATS_BASE + 0x138)
196 #define NFP_MAC_STATS_TX_OUT_OCTETS (NFP_MAC_STATS_BASE + 0x140)
197 /* unused 0x148 */
198 #define NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x150)
199 #define NFP_MAC_STATS_TX_OUT_ERRORS (NFP_MAC_STATS_BASE + 0x158)
200 #define NFP_MAC_STATS_TX_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x160)
201 #define NFP_MAC_STATS_TX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x168)
202 #define NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x170)
203 #define NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x178)
204 #define NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x180)
205 #define NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x188)
206 #define NFP_MAC_STATS_TX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x190)
207 #define NFP_MAC_STATS_TX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x198)
208 #define NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x1a0)
209 #define NFP_MAC_STATS_TX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x1a8)
210 #define NFP_MAC_STATS_TX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x1b0)
211 #define NFP_MAC_STATS_TX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x1b8)
212 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x1c0)
213 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x1c8)
214 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x1d0)
215 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x1d8)
216 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x1e0)
217 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x1e8)
218 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x1f0)
219 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x1f8)
220
221 #endif
222