1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2010 Broadcom Corporation
*/
/****************
* Common types *
*/
#ifndef BRCMFMAC_CORE_H
#define BRCMFMAC_CORE_H
#include <net/cfg80211.h>
#include "fweh.h"
#if IS_MODULE(CONFIG_BRCMFMAC)
#define BRCMF_EXPORT_SYMBOL_GPL(__sym) EXPORT_SYMBOL_NS_GPL(__sym, "BRCMFMAC")
#else
#define BRCMF_EXPORT_SYMBOL_GPL(__sym)
#endif
#define TOE_TX_CSUM_OL 0x00000001
#define TOE_RX_CSUM_OL 0x00000002
/* For supporting multiple interfaces */
#define BRCMF_MAX_IFS 16
/* Small, medium and maximum buffer size for dcmd
*/
#define BRCMF_DCMD_SMLEN 256
#define BRCMF_DCMD_MEDLEN 1536
#define BRCMF_DCMD_MAXLEN 8192
/* IOCTL from host to device are limited in length. A device can only handle
* ethernet frame size. This limitation is to be applied by protocol layer.
*/
#define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN)
#define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256
/* Length of firmware version string stored for
* ethtool driver info which uses 32 bytes as well.
*/
#define BRCMF_DRIVER_FIRMWARE_VERSION_LEN 32
#define NDOL_MAX_ENTRIES 8
/**
* struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info
*
* @flow_id: AMPDU flow identifier.
* @cur_idx: last AMPDU index from firmware.
* @exp_idx: expected next AMPDU index.
* @max_idx: maximum amount of packets per AMPDU.
* @pend_pkts: number of packets currently in @pktslots.
* @pktslots: array for ordering AMPDU packets.
*/
struct brcmf_ampdu_rx_reorder {
u8 flow_id;
u8 cur_idx;
u8 exp_idx;
u8 max_idx;
u8 pend_pkts;
struct sk_buff *pktslots[];
};
/* Forward decls for struct brcmf_pub (see below) */
struct brcmf_proto; /* device communication protocol info */
struct brcmf_fws_info; /* firmware signalling info */
struct brcmf_mp_device; /* module paramateres, device specific */
/*
* struct brcmf_rev_info
*
* The result field stores the error code of the
* revision info request from firmware. For the
* other fields see struct brcmf_rev_info_le in
* fwil_types.h
*/
struct brcmf_rev_info {
int result;
u32 vendorid;
u32 deviceid;
u32 radiorev;
u32 corerev;
u32 boardid;
u32 boardvendor;
u32 boardrev;
u32 driverrev;
u32 ucoderev;
u32 bus;
char chipname[12];
u32 phytype;
u32 phyrev;
u32 anarev;
u32 chippkg;
u32 nvramrev;
};
/* Common structure for module and instance linkage */
struct brcmf_pub {
/* Linkage ponters */
struct brcmf_bus *bus_if;
struct brcmf_proto *proto;
struct wiphy *wiphy;
struct cfg80211_ops *ops;
struct brcmf_cfg80211_info *config;
/* Internal brcmf items */
uint hdrlen; /* Total BRCMF header length (proto + bus) */
/* Dongle media info */
char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN];
u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */
struct mac_address addresses[BRCMF_MAX_IFS];
struct brcmf_if *iflist[BRCMF_MAX_IFS];
s32 if2bss[BRCMF_MAX_IFS];
struct brcmf_if *mon_if;
struct mutex proto_block;
unsigned char proto_buf[BRCMF_DCMD_MAXLEN];
struct brcmf_fweh_info *fweh;
struct brcmf_ampdu_rx_reorder
*reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS];
u32 feat_flags;
u32 chip_quirks;
struct brcmf_rev_info revinfo;
#ifdef DEBUG
struct dentry *dbgfs_dir;
#endif
struct notifier_block inetaddr_notifier;
struct notifier_block inet6addr_notifier;
struct brcmf_mp_device *settings;
struct work_struct bus_reset;
u8 clmver[BRCMF_DCMD_SMLEN];
u8 sta_mac_idx;
const struct brcmf_fwvid_ops *vops;
void *vdata;
};
/* forward declarations */
struct brcmf_cfg80211_vif;
struct brcmf_fws_mac_descriptor;
/**
* enum brcmf_netif_stop_reason - reason for stopping netif queue.
*
* @BRCMF_NETIF_STOP_REASON_FWS_FC:
* netif stopped due to firmware signalling flow control.
* @BRCMF_NETIF_STOP_REASON_FLOW:
* netif stopped due to flowring full.
* @BRCMF_NETIF_STOP_REASON_DISCONNECTED:
* netif stopped due to not being connected (STA mode).
*/
enum brcmf_netif_stop_reason {
BRCMF_NETIF_STOP_REASON_FWS_FC = BIT(0),
BRCMF_NETIF_STOP_REASON_FLOW = BIT(1),
BRCMF_NETIF_STOP_REASON_DISCONNECTED = BIT(2)
};
/**
* struct brcmf_if - interface control information.
*
* @drvr: points to device related information.
* @vif: points to cfg80211 specific interface information.
* @ndev: associated network device.
* @multicast_work: worker object for multicast provisioning.
* @ndoffload_work: worker object for neighbor discovery offload configuration.
* @fws_desc: interface specific firmware-signalling descriptor.
* @ifidx: interface index in device firmware.
* @bsscfgidx: index of bss associated with this interface.
* @mac_addr: assigned mac address.
* @netif_stop: bitmap indicates reason why netif queues are stopped.
* @netif_stop_lock: spinlock for update netif_stop from multiple sources.
* @pend_8021x_cnt: tracks outstanding number of 802.1x frames.
* @pend_8021x_wait: used for signalling change in count.
* @fwil_fwerr: flag indicating fwil layer should return firmware error codes.
*/
struct brcmf_if {
struct brcmf_pub *drvr;
struct brcmf_cfg80211_vif *vif;
struct net_device *ndev;
struct work_struct multicast_work;
struct work_struct ndoffload_work;
struct brcmf_fws_mac_descriptor *fws_desc;
int ifidx;
s32 bsscfgidx;
u8 mac_addr[ETH_ALEN];
u8 netif_stop;
spinlock_t netif_stop_lock;
atomic_t pend_8021x_cnt;
wait_queue_head_t pend_8021x_wait;
struct in6_addr ipv6_addr_tbl[NDOL_MAX_ENTRIES];
u8 ipv6addr_idx;
bool fwil_fwerr;
};
int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp);
/* Return pointer to interface name */
char *brcmf_ifname(struct brcmf_if *ifp);
struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);
void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable);
int brcmf_net_attach(struct brcmf_if *ifp, bool locked);
struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
bool is_p2pdev, const char *name, u8 *mac_addr);
void brcmf_remove_interface(struct brcmf_if *ifp, bool locked);
void brcmf_txflowblock_if(struct brcmf_if *ifp,
enum brcmf_netif_stop_reason reason, bool state);
void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success);
void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb);
void brcmf_netif_mon_rx(struct brcmf_if *ifp, struct sk_buff *skb);
void brcmf_net_detach(struct net_device *ndev, bool locked);
int brcmf_net_mon_attach(struct brcmf_if *ifp);
void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on);
int __init brcmf_core_init(void);
void __exit brcmf_core_exit(void);
#endif /* BRCMFMAC_CORE_H */
|
