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review.trustedfirmware.org / hafnium / third_party / linux.git / 0f672f6c0b52b7b0700b0915c72b540721af4465 / . / drivers / net / ethernet / rocker / rocker.h
blob: 6fad25321dc5d73466e0889cc00411e30276bdde [file] [log] [blame]
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame^]1/* SPDX-License-Identifier: GPL-2.0-or-later */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]2/*
3 * drivers/net/ethernet/rocker/rocker.h - Rocker switch device driver
4 * Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com>
5 * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]6 */
7
8#ifndef _ROCKER_H
9#define _ROCKER_H
10
11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/netdevice.h>
14#include <linux/notifier.h>
15#include <net/neighbour.h>
16#include <net/switchdev.h>
17
18#include "rocker_hw.h"
19
20struct rocker_desc_info {
21 char *data; /* mapped */
22 size_t data_size;
23 size_t tlv_size;
24 struct rocker_desc *desc;
25 dma_addr_t mapaddr;
26};
27
28struct rocker_dma_ring_info {
29 size_t size;
30 u32 head;
31 u32 tail;
32 struct rocker_desc *desc; /* mapped */
33 dma_addr_t mapaddr;
34 struct rocker_desc_info *desc_info;
35 unsigned int type;
36};
37
38struct rocker;
39
40struct rocker_port {
41 struct net_device *dev;
42 struct rocker *rocker;
43 void *wpriv;
44 unsigned int port_number;
45 u32 pport;
46 struct napi_struct napi_tx;
47 struct napi_struct napi_rx;
48 struct rocker_dma_ring_info tx_ring;
49 struct rocker_dma_ring_info rx_ring;
50};
51
52struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev,
53 struct rocker *rocker);
54
55struct rocker_world_ops;
56
57struct rocker {
58 struct pci_dev *pdev;
59 u8 __iomem *hw_addr;
60 struct msix_entry *msix_entries;
61 unsigned int port_count;
62 struct rocker_port **ports;
63 struct {
64 u64 id;
65 } hw;
66 spinlock_t cmd_ring_lock; /* for cmd ring accesses */
67 struct rocker_dma_ring_info cmd_ring;
68 struct rocker_dma_ring_info event_ring;
69 struct notifier_block fib_nb;
70 struct rocker_world_ops *wops;
71 struct workqueue_struct *rocker_owq;
72 void *wpriv;
73};
74
75typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port,
76 struct rocker_desc_info *desc_info,
77 void *priv);
78
79typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port,
80 const struct rocker_desc_info *desc_info,
81 void *priv);
82
83int rocker_cmd_exec(struct rocker_port *rocker_port, bool nowait,
84 rocker_cmd_prep_cb_t prepare, void *prepare_priv,
85 rocker_cmd_proc_cb_t process, void *process_priv);
86
87int rocker_port_set_learning(struct rocker_port *rocker_port,
88 bool learning);
89
90struct rocker_world_ops {
91 const char *kind;
92 size_t priv_size;
93 size_t port_priv_size;
94 u8 mode;
95 int (*init)(struct rocker *rocker);
96 void (*fini)(struct rocker *rocker);
97 int (*port_pre_init)(struct rocker_port *rocker_port);
98 int (*port_init)(struct rocker_port *rocker_port);
99 void (*port_fini)(struct rocker_port *rocker_port);
100 void (*port_post_fini)(struct rocker_port *rocker_port);
101 int (*port_open)(struct rocker_port *rocker_port);
102 void (*port_stop)(struct rocker_port *rocker_port);
103 int (*port_attr_stp_state_set)(struct rocker_port *rocker_port,
104 u8 state);
105 int (*port_attr_bridge_flags_set)(struct rocker_port *rocker_port,
106 unsigned long brport_flags,
107 struct switchdev_trans *trans);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]108 int (*port_attr_bridge_flags_support_get)(const struct rocker_port *
109 rocker_port,
110 unsigned long *
111 p_brport_flags);
112 int (*port_attr_bridge_ageing_time_set)(struct rocker_port *rocker_port,
113 u32 ageing_time,
114 struct switchdev_trans *trans);
115 int (*port_obj_vlan_add)(struct rocker_port *rocker_port,
116 const struct switchdev_obj_port_vlan *vlan);
117 int (*port_obj_vlan_del)(struct rocker_port *rocker_port,
118 const struct switchdev_obj_port_vlan *vlan);
119 int (*port_obj_fdb_add)(struct rocker_port *rocker_port,
120 u16 vid, const unsigned char *addr);
121 int (*port_obj_fdb_del)(struct rocker_port *rocker_port,
122 u16 vid, const unsigned char *addr);
123 int (*port_master_linked)(struct rocker_port *rocker_port,
124 struct net_device *master);
125 int (*port_master_unlinked)(struct rocker_port *rocker_port,
126 struct net_device *master);
127 int (*port_neigh_update)(struct rocker_port *rocker_port,
128 struct neighbour *n);
129 int (*port_neigh_destroy)(struct rocker_port *rocker_port,
130 struct neighbour *n);
131 int (*port_ev_mac_vlan_seen)(struct rocker_port *rocker_port,
132 const unsigned char *addr,
133 __be16 vlan_id);
134 int (*fib4_add)(struct rocker *rocker,
135 const struct fib_entry_notifier_info *fen_info);
136 int (*fib4_del)(struct rocker *rocker,
137 const struct fib_entry_notifier_info *fen_info);
138 void (*fib4_abort)(struct rocker *rocker);
139};
140
141extern struct rocker_world_ops rocker_ofdpa_ops;
142
143#endif