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 /**
42 * struct nfp_port - structure representing NFP port
43 * @netdev: backpointer to associated netdev
44 * @type: what port type does the entity represent
45 * @flags: port flags
46 * @tc_offload_cnt: number of active TC offloads, how offloads are counted
47 * is not defined, use as a boolean
48 * @app: backpointer to the app structure
49 * @dl_port: devlink port structure
50 * @eth_id: for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme
51 * @eth_forced: for %NFP_PORT_PHYS_PORT port is forced UP or DOWN, don't change
52 * @eth_port: for %NFP_PORT_PHYS_PORT translated ETH Table port entry
53 * @eth_stats: for %NFP_PORT_PHYS_PORT MAC stats if available
54 * @pf_id: for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT ID of the PCI PF (0-3)
55 * @vf_id: for %NFP_PORT_VF_PORT ID of the PCI VF within @pf_id
56 * @pf_split: for %NFP_PORT_PF_PORT %true if PCI PF has more than one vNIC
57 * @pf_split_id:for %NFP_PORT_PF_PORT ID of PCI PF vNIC (valid if @pf_split)
58 * @vnic: for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT vNIC ctrl memory
59 * @port_list: entry on pf's list of ports
60 */
61 struct nfp_port {
62 struct net_device *netdev;
63 enum nfp_port_type type;
64
65 unsigned long flags;
66 unsigned long tc_offload_cnt;
67
68 struct nfp_app *app;
69
70 struct devlink_port dl_port;
71
72 union {
73 /* NFP_PORT_PHYS_PORT */
74 struct {
75 unsigned int eth_id;
76 bool eth_forced;
77 struct nfp_eth_table_port *eth_port;
78 u8 __iomem *eth_stats;
79 };
80 /* NFP_PORT_PF_PORT, NFP_PORT_VF_PORT */
81 struct {
82 unsigned int pf_id;
83 unsigned int vf_id;
84 bool pf_split;
85 unsigned int pf_split_id;
86 u8 __iomem *vnic;
87 };
88 };
89
90 struct list_head port_list;
91 };
92
93 extern const struct ethtool_ops nfp_port_ethtool_ops;
94
95 int nfp_port_setup_tc(struct net_device *netdev, enum tc_setup_type type,
96 void *type_data);
97
nfp_port_is_vnic(const struct nfp_port * port)98 static inline bool nfp_port_is_vnic(const struct nfp_port *port)
99 {
100 return port->type == NFP_PORT_PF_PORT || port->type == NFP_PORT_VF_PORT;
101 }
102
103 int
104 nfp_port_set_features(struct net_device *netdev, netdev_features_t features);
105
106 struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
107 int nfp_port_get_port_parent_id(struct net_device *netdev,
108 struct netdev_phys_item_id *ppid);
109 struct nfp_port *
110 nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id);
111 struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
112 struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
113
114 int
115 nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);
116 int nfp_port_configure(struct net_device *netdev, bool configed);
117
118 struct nfp_port *
119 nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type,
120 struct net_device *netdev);
121 void nfp_port_free(struct nfp_port *port);
122
123 int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
124 struct nfp_port *port, unsigned int id);
125
126 int nfp_net_refresh_eth_port(struct nfp_port *port);
127 void nfp_net_refresh_port_table(struct nfp_port *port);
128 int nfp_net_refresh_port_table_sync(struct nfp_pf *pf);
129
130 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port);
131 void nfp_devlink_port_unregister(struct nfp_port *port);
132 void nfp_devlink_port_type_eth_set(struct nfp_port *port);
133 void nfp_devlink_port_type_clear(struct nfp_port *port);
134
135 /**
136 * Mac stats (0x0000 - 0x0200)
137 * all counters are 64bit.
138 */
139 #define NFP_MAC_STATS_BASE 0x0000
140 #define NFP_MAC_STATS_SIZE 0x0200
141
142 #define NFP_MAC_STATS_RX_IN_OCTETS (NFP_MAC_STATS_BASE + 0x000)
143 /* unused 0x008 */
144 #define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS (NFP_MAC_STATS_BASE + 0x010)
145 #define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS (NFP_MAC_STATS_BASE + 0x018)
146 #define NFP_MAC_STATS_RX_VLAN_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x020)
147 #define NFP_MAC_STATS_RX_IN_ERRORS (NFP_MAC_STATS_BASE + 0x028)
148 #define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x030)
149 #define NFP_MAC_STATS_RX_DROP_EVENTS (NFP_MAC_STATS_BASE + 0x038)
150 #define NFP_MAC_STATS_RX_ALIGNMENT_ERRORS (NFP_MAC_STATS_BASE + 0x040)
151 #define NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x048)
152 #define NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x050)
153 #define NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS (NFP_MAC_STATS_BASE + 0x058)
154 #define NFP_MAC_STATS_RX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x060)
155 #define NFP_MAC_STATS_RX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x068)
156 #define NFP_MAC_STATS_RX_PKTS (NFP_MAC_STATS_BASE + 0x070)
157 #define NFP_MAC_STATS_RX_UNDERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x078)
158 #define NFP_MAC_STATS_RX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x080)
159 #define NFP_MAC_STATS_RX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x088)
160 #define NFP_MAC_STATS_RX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x090)
161 #define NFP_MAC_STATS_RX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x098)
162 #define NFP_MAC_STATS_RX_JABBERS (NFP_MAC_STATS_BASE + 0x0a0)
163 #define NFP_MAC_STATS_RX_FRAGMENTS (NFP_MAC_STATS_BASE + 0x0a8)
164 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x0b0)
165 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x0b8)
166 #define NFP_MAC_STATS_RX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x0c0)
167 #define NFP_MAC_STATS_RX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x0c8)
168 #define NFP_MAC_STATS_RX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x0d0)
169 #define NFP_MAC_STATS_RX_OVERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x0d8)
170 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x0e0)
171 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x0e8)
172 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x0f0)
173 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x0f8)
174 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x100)
175 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x108)
176 #define NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED (NFP_MAC_STATS_BASE + 0x110)
177 #define NFP_MAC_STATS_RX_MAC_HEAD_DROP (NFP_MAC_STATS_BASE + 0x118)
178 /* unused 0x120 */
179 /* unused 0x128 */
180 /* unused 0x130 */
181 #define NFP_MAC_STATS_TX_QUEUE_DROP (NFP_MAC_STATS_BASE + 0x138)
182 #define NFP_MAC_STATS_TX_OUT_OCTETS (NFP_MAC_STATS_BASE + 0x140)
183 /* unused 0x148 */
184 #define NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x150)
185 #define NFP_MAC_STATS_TX_OUT_ERRORS (NFP_MAC_STATS_BASE + 0x158)
186 #define NFP_MAC_STATS_TX_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x160)
187 #define NFP_MAC_STATS_TX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x168)
188 #define NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x170)
189 #define NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x178)
190 #define NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x180)
191 #define NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x188)
192 #define NFP_MAC_STATS_TX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x190)
193 #define NFP_MAC_STATS_TX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x198)
194 #define NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x1a0)
195 #define NFP_MAC_STATS_TX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x1a8)
196 #define NFP_MAC_STATS_TX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x1b0)
197 #define NFP_MAC_STATS_TX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x1b8)
198 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x1c0)
199 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x1c8)
200 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x1d0)
201 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x1d8)
202 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x1e0)
203 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x1e8)
204 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x1f0)
205 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x1f8)
206
207 #endif
208