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 * @tc_offload_cnt: number of active TC offloads, how offloads are counted
76 * is not defined, use as a boolean
77 * @app: backpointer to the app structure
78 * @dl_port: devlink port structure
79 * @eth_id: for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme
80 * @eth_forced: for %NFP_PORT_PHYS_PORT port is forced UP or DOWN, don't change
81 * @eth_port: for %NFP_PORT_PHYS_PORT translated ETH Table port entry
82 * @eth_stats: for %NFP_PORT_PHYS_PORT MAC stats if available
83 * @pf_id: for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT ID of the PCI PF (0-3)
84 * @vf_id: for %NFP_PORT_VF_PORT ID of the PCI VF within @pf_id
85 * @pf_split: for %NFP_PORT_PF_PORT %true if PCI PF has more than one vNIC
86 * @pf_split_id:for %NFP_PORT_PF_PORT ID of PCI PF vNIC (valid if @pf_split)
87 * @vnic: for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT vNIC ctrl memory
88 * @port_list: entry on pf's list of ports
89 */
90 struct nfp_port {
91 struct net_device *netdev;
92 enum nfp_port_type type;
93
94 unsigned long flags;
95 unsigned long tc_offload_cnt;
96
97 struct nfp_app *app;
98
99 struct devlink_port dl_port;
100
101 union {
102 /* NFP_PORT_PHYS_PORT */
103 struct {
104 unsigned int eth_id;
105 bool eth_forced;
106 struct nfp_eth_table_port *eth_port;
107 u8 __iomem *eth_stats;
108 };
109 /* NFP_PORT_PF_PORT, NFP_PORT_VF_PORT */
110 struct {
111 unsigned int pf_id;
112 unsigned int vf_id;
113 bool pf_split;
114 unsigned int pf_split_id;
115 u8 __iomem *vnic;
116 };
117 };
118
119 struct list_head port_list;
120 };
121
122 extern const struct ethtool_ops nfp_port_ethtool_ops;
123 extern const struct switchdev_ops nfp_port_switchdev_ops;
124
125 __printf(2, 3) u8 *nfp_pr_et(u8 *data, const char *fmt, ...);
126
127 int nfp_port_setup_tc(struct net_device *netdev, enum tc_setup_type type,
128 void *type_data);
129
nfp_port_is_vnic(const struct nfp_port * port)130 static inline bool nfp_port_is_vnic(const struct nfp_port *port)
131 {
132 return port->type == NFP_PORT_PF_PORT || port->type == NFP_PORT_VF_PORT;
133 }
134
135 int
136 nfp_port_set_features(struct net_device *netdev, netdev_features_t features);
137
138 struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
139 struct nfp_port *
140 nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id);
141 struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
142 struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
143
144 int
145 nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);
146 int nfp_port_configure(struct net_device *netdev, bool configed);
147
148 struct nfp_port *
149 nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type,
150 struct net_device *netdev);
151 void nfp_port_free(struct nfp_port *port);
152
153 int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
154 struct nfp_port *port, unsigned int id);
155
156 int nfp_net_refresh_eth_port(struct nfp_port *port);
157 void nfp_net_refresh_port_table(struct nfp_port *port);
158 int nfp_net_refresh_port_table_sync(struct nfp_pf *pf);
159
160 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port);
161 void nfp_devlink_port_unregister(struct nfp_port *port);
162
163 /**
164 * Mac stats (0x0000 - 0x0200)
165 * all counters are 64bit.
166 */
167 #define NFP_MAC_STATS_BASE 0x0000
168 #define NFP_MAC_STATS_SIZE 0x0200
169
170 #define NFP_MAC_STATS_RX_IN_OCTETS (NFP_MAC_STATS_BASE + 0x000)
171 /* unused 0x008 */
172 #define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS (NFP_MAC_STATS_BASE + 0x010)
173 #define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS (NFP_MAC_STATS_BASE + 0x018)
174 #define NFP_MAC_STATS_RX_VLAN_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x020)
175 #define NFP_MAC_STATS_RX_IN_ERRORS (NFP_MAC_STATS_BASE + 0x028)
176 #define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x030)
177 #define NFP_MAC_STATS_RX_DROP_EVENTS (NFP_MAC_STATS_BASE + 0x038)
178 #define NFP_MAC_STATS_RX_ALIGNMENT_ERRORS (NFP_MAC_STATS_BASE + 0x040)
179 #define NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x048)
180 #define NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x050)
181 #define NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS (NFP_MAC_STATS_BASE + 0x058)
182 #define NFP_MAC_STATS_RX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x060)
183 #define NFP_MAC_STATS_RX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x068)
184 #define NFP_MAC_STATS_RX_PKTS (NFP_MAC_STATS_BASE + 0x070)
185 #define NFP_MAC_STATS_RX_UNDERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x078)
186 #define NFP_MAC_STATS_RX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x080)
187 #define NFP_MAC_STATS_RX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x088)
188 #define NFP_MAC_STATS_RX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x090)
189 #define NFP_MAC_STATS_RX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x098)
190 #define NFP_MAC_STATS_RX_JABBERS (NFP_MAC_STATS_BASE + 0x0a0)
191 #define NFP_MAC_STATS_RX_FRAGMENTS (NFP_MAC_STATS_BASE + 0x0a8)
192 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x0b0)
193 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x0b8)
194 #define NFP_MAC_STATS_RX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x0c0)
195 #define NFP_MAC_STATS_RX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x0c8)
196 #define NFP_MAC_STATS_RX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x0d0)
197 #define NFP_MAC_STATS_RX_OVERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x0d8)
198 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x0e0)
199 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x0e8)
200 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x0f0)
201 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x0f8)
202 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x100)
203 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x108)
204 #define NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED (NFP_MAC_STATS_BASE + 0x110)
205 #define NFP_MAC_STATS_RX_MAC_HEAD_DROP (NFP_MAC_STATS_BASE + 0x118)
206 /* unused 0x120 */
207 /* unused 0x128 */
208 /* unused 0x130 */
209 #define NFP_MAC_STATS_TX_QUEUE_DROP (NFP_MAC_STATS_BASE + 0x138)
210 #define NFP_MAC_STATS_TX_OUT_OCTETS (NFP_MAC_STATS_BASE + 0x140)
211 /* unused 0x148 */
212 #define NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x150)
213 #define NFP_MAC_STATS_TX_OUT_ERRORS (NFP_MAC_STATS_BASE + 0x158)
214 #define NFP_MAC_STATS_TX_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x160)
215 #define NFP_MAC_STATS_TX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x168)
216 #define NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x170)
217 #define NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x178)
218 #define NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x180)
219 #define NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x188)
220 #define NFP_MAC_STATS_TX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x190)
221 #define NFP_MAC_STATS_TX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x198)
222 #define NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x1a0)
223 #define NFP_MAC_STATS_TX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x1a8)
224 #define NFP_MAC_STATS_TX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x1b0)
225 #define NFP_MAC_STATS_TX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x1b8)
226 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x1c0)
227 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x1c8)
228 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x1d0)
229 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x1d8)
230 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x1e0)
231 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x1e8)
232 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x1f0)
233 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x1f8)
234
235 #endif
236
