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review.trustedfirmware.org / hafnium / third_party / linux.git / b4b6d4a02fa8aa8187d426b508fb7f3b69df0dcc / . / drivers / net / ethernet / rocker / rocker.h
blob: 748fb12260a629d15c7018f73aa16c356eef0da6 [file] [log] [blame]
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame^]1/*
2 * drivers/net/ethernet/rocker/rocker.h - Rocker switch device driver
3 * Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com>
4 * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#ifndef _ROCKER_H
13#define _ROCKER_H
14
15#include <linux/kernel.h>
16#include <linux/types.h>
17#include <linux/netdevice.h>
18#include <linux/notifier.h>
19#include <net/neighbour.h>
20#include <net/switchdev.h>
21
22#include "rocker_hw.h"
23
24struct rocker_desc_info {
25 char *data; /* mapped */
26 size_t data_size;
27 size_t tlv_size;
28 struct rocker_desc *desc;
29 dma_addr_t mapaddr;
30};
31
32struct rocker_dma_ring_info {
33 size_t size;
34 u32 head;
35 u32 tail;
36 struct rocker_desc *desc; /* mapped */
37 dma_addr_t mapaddr;
38 struct rocker_desc_info *desc_info;
39 unsigned int type;
40};
41
42struct rocker;
43
44struct rocker_port {
45 struct net_device *dev;
46 struct rocker *rocker;
47 void *wpriv;
48 unsigned int port_number;
49 u32 pport;
50 struct napi_struct napi_tx;
51 struct napi_struct napi_rx;
52 struct rocker_dma_ring_info tx_ring;
53 struct rocker_dma_ring_info rx_ring;
54};
55
56struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev,
57 struct rocker *rocker);
58
59struct rocker_world_ops;
60
61struct rocker {
62 struct pci_dev *pdev;
63 u8 __iomem *hw_addr;
64 struct msix_entry *msix_entries;
65 unsigned int port_count;
66 struct rocker_port **ports;
67 struct {
68 u64 id;
69 } hw;
70 spinlock_t cmd_ring_lock; /* for cmd ring accesses */
71 struct rocker_dma_ring_info cmd_ring;
72 struct rocker_dma_ring_info event_ring;
73 struct notifier_block fib_nb;
74 struct rocker_world_ops *wops;
75 struct workqueue_struct *rocker_owq;
76 void *wpriv;
77};
78
79typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port,
80 struct rocker_desc_info *desc_info,
81 void *priv);
82
83typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port,
84 const struct rocker_desc_info *desc_info,
85 void *priv);
86
87int rocker_cmd_exec(struct rocker_port *rocker_port, bool nowait,
88 rocker_cmd_prep_cb_t prepare, void *prepare_priv,
89 rocker_cmd_proc_cb_t process, void *process_priv);
90
91int rocker_port_set_learning(struct rocker_port *rocker_port,
92 bool learning);
93
94struct rocker_world_ops {
95 const char *kind;
96 size_t priv_size;
97 size_t port_priv_size;
98 u8 mode;
99 int (*init)(struct rocker *rocker);
100 void (*fini)(struct rocker *rocker);
101 int (*port_pre_init)(struct rocker_port *rocker_port);
102 int (*port_init)(struct rocker_port *rocker_port);
103 void (*port_fini)(struct rocker_port *rocker_port);
104 void (*port_post_fini)(struct rocker_port *rocker_port);
105 int (*port_open)(struct rocker_port *rocker_port);
106 void (*port_stop)(struct rocker_port *rocker_port);
107 int (*port_attr_stp_state_set)(struct rocker_port *rocker_port,
108 u8 state);
109 int (*port_attr_bridge_flags_set)(struct rocker_port *rocker_port,
110 unsigned long brport_flags,
111 struct switchdev_trans *trans);
112 int (*port_attr_bridge_flags_get)(const struct rocker_port *rocker_port,
113 unsigned long *p_brport_flags);
114 int (*port_attr_bridge_flags_support_get)(const struct rocker_port *
115 rocker_port,
116 unsigned long *
117 p_brport_flags);
118 int (*port_attr_bridge_ageing_time_set)(struct rocker_port *rocker_port,
119 u32 ageing_time,
120 struct switchdev_trans *trans);
121 int (*port_obj_vlan_add)(struct rocker_port *rocker_port,
122 const struct switchdev_obj_port_vlan *vlan);
123 int (*port_obj_vlan_del)(struct rocker_port *rocker_port,
124 const struct switchdev_obj_port_vlan *vlan);
125 int (*port_obj_fdb_add)(struct rocker_port *rocker_port,
126 u16 vid, const unsigned char *addr);
127 int (*port_obj_fdb_del)(struct rocker_port *rocker_port,
128 u16 vid, const unsigned char *addr);
129 int (*port_master_linked)(struct rocker_port *rocker_port,
130 struct net_device *master);
131 int (*port_master_unlinked)(struct rocker_port *rocker_port,
132 struct net_device *master);
133 int (*port_neigh_update)(struct rocker_port *rocker_port,
134 struct neighbour *n);
135 int (*port_neigh_destroy)(struct rocker_port *rocker_port,
136 struct neighbour *n);
137 int (*port_ev_mac_vlan_seen)(struct rocker_port *rocker_port,
138 const unsigned char *addr,
139 __be16 vlan_id);
140 int (*fib4_add)(struct rocker *rocker,
141 const struct fib_entry_notifier_info *fen_info);
142 int (*fib4_del)(struct rocker *rocker,
143 const struct fib_entry_notifier_info *fen_info);
144 void (*fib4_abort)(struct rocker *rocker);
145};
146
147extern struct rocker_world_ops rocker_ofdpa_ops;
148
149#endif