1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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> |
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 | |
20 | struct 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 | |
28 | struct 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 | |
38 | struct rocker; |
39 | |
40 | struct 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 | |
52 | struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev, |
53 | struct rocker *rocker); |
54 | |
55 | struct rocker_world_ops; |
56 | |
57 | struct 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 | |
75 | typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port, |
76 | struct rocker_desc_info *desc_info, |
77 | void *priv); |
78 | |
79 | typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port, |
80 | const struct rocker_desc_info *desc_info, |
81 | void *priv); |
82 | |
83 | int 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 | |
87 | int rocker_port_set_learning(struct rocker_port *rocker_port, |
88 | bool learning); |
89 | |
90 | struct 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 | int (*port_attr_bridge_flags_support_get)(const struct rocker_port * |
108 | rocker_port, |
109 | unsigned long * |
110 | p_brport_flags); |
111 | int (*port_attr_bridge_ageing_time_set)(struct rocker_port *rocker_port, |
112 | u32 ageing_time); |
113 | int (*port_obj_vlan_add)(struct rocker_port *rocker_port, |
114 | const struct switchdev_obj_port_vlan *vlan); |
115 | int (*port_obj_vlan_del)(struct rocker_port *rocker_port, |
116 | const struct switchdev_obj_port_vlan *vlan); |
117 | int (*port_obj_fdb_add)(struct rocker_port *rocker_port, |
118 | u16 vid, const unsigned char *addr); |
119 | int (*port_obj_fdb_del)(struct rocker_port *rocker_port, |
120 | u16 vid, const unsigned char *addr); |
121 | int (*port_master_linked)(struct rocker_port *rocker_port, |
122 | struct net_device *master, |
123 | struct netlink_ext_ack *extack); |
124 | int (*port_master_unlinked)(struct rocker_port *rocker_port, |
125 | struct net_device *master); |
126 | int (*port_neigh_update)(struct rocker_port *rocker_port, |
127 | struct neighbour *n); |
128 | int (*port_neigh_destroy)(struct rocker_port *rocker_port, |
129 | struct neighbour *n); |
130 | int (*port_ev_mac_vlan_seen)(struct rocker_port *rocker_port, |
131 | const unsigned char *addr, |
132 | __be16 vlan_id); |
133 | int (*fib4_add)(struct rocker *rocker, |
134 | const struct fib_entry_notifier_info *fen_info); |
135 | int (*fib4_del)(struct rocker *rocker, |
136 | const struct fib_entry_notifier_info *fen_info); |
137 | void (*fib4_abort)(struct rocker *rocker); |
138 | }; |
139 | |
140 | extern struct rocker_world_ops rocker_ofdpa_ops; |
141 | |
142 | #endif |
143 | |