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5b435de0 AS |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | /**************** | |
18 | * Common types * | |
19 | */ | |
20 | ||
21 | #ifndef _BRCMF_H_ | |
22 | #define _BRCMF_H_ | |
23 | ||
5c36b99a AS |
24 | #include "fweh.h" |
25 | ||
5b435de0 AS |
26 | #define TOE_TX_CSUM_OL 0x00000001 |
27 | #define TOE_RX_CSUM_OL 0x00000002 | |
28 | ||
5b435de0 AS |
29 | /* For supporting multiple interfaces */ |
30 | #define BRCMF_MAX_IFS 16 | |
5b435de0 | 31 | |
5b435de0 AS |
32 | #define DOT11_MAX_DEFAULT_KEYS 4 |
33 | ||
81f5dcb8 HM |
34 | /* Small, medium and maximum buffer size for dcmd |
35 | */ | |
36 | #define BRCMF_DCMD_SMLEN 256 | |
37 | #define BRCMF_DCMD_MEDLEN 1536 | |
38 | #define BRCMF_DCMD_MAXLEN 8192 | |
39 | ||
d4533992 HM |
40 | /* IOCTL from host to device are limited in lenght. A device can only handle |
41 | * ethernet frame size. This limitation is to be applied by protocol layer. | |
42 | */ | |
43 | #define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) | |
44 | ||
87edd891 AS |
45 | #define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256 |
46 | ||
55685b8f AS |
47 | /* Length of firmware version string stored for |
48 | * ethtool driver info which uses 32 bytes as well. | |
49 | */ | |
50 | #define BRCMF_DRIVER_FIRMWARE_VERSION_LEN 32 | |
51 | ||
5b435de0 AS |
52 | /* Bus independent dongle command */ |
53 | struct brcmf_dcmd { | |
54 | uint cmd; /* common dongle cmd definition */ | |
55 | void *buf; /* pointer to user buffer */ | |
56 | uint len; /* length of user buffer */ | |
57 | u8 set; /* get or set request (optional) */ | |
58 | uint used; /* bytes read or written (optional) */ | |
59 | uint needed; /* bytes needed (optional) */ | |
60 | }; | |
61 | ||
87edd891 AS |
62 | /** |
63 | * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info | |
64 | * | |
65 | * @pktslots: dynamic allocated array for ordering AMPDU packets. | |
66 | * @flow_id: AMPDU flow identifier. | |
67 | * @cur_idx: last AMPDU index from firmware. | |
68 | * @exp_idx: expected next AMPDU index. | |
69 | * @max_idx: maximum amount of packets per AMPDU. | |
70 | * @pend_pkts: number of packets currently in @pktslots. | |
71 | */ | |
72 | struct brcmf_ampdu_rx_reorder { | |
73 | struct sk_buff **pktslots; | |
74 | u8 flow_id; | |
75 | u8 cur_idx; | |
76 | u8 exp_idx; | |
77 | u8 max_idx; | |
78 | u8 pend_pkts; | |
79 | }; | |
80 | ||
5b435de0 | 81 | /* Forward decls for struct brcmf_pub (see below) */ |
5b435de0 | 82 | struct brcmf_proto; /* device communication protocol info */ |
5b435de0 | 83 | struct brcmf_cfg80211_dev; /* cfg80211 device info */ |
349e7104 | 84 | struct brcmf_fws_info; /* firmware signalling info */ |
5b435de0 AS |
85 | |
86 | /* Common structure for module and instance linkage */ | |
87 | struct brcmf_pub { | |
88 | /* Linkage ponters */ | |
8d169aa0 | 89 | struct brcmf_bus *bus_if; |
85b84133 | 90 | struct brcmf_proto *proto; |
27a68fe3 | 91 | struct brcmf_cfg80211_info *config; |
5b435de0 AS |
92 | |
93 | /* Internal brcmf items */ | |
5b435de0 | 94 | uint hdrlen; /* Total BRCMF header length (proto + bus) */ |
5b435de0 AS |
95 | uint rxsz; /* Rx buffer size bus module should use */ |
96 | u8 wme_dp; /* wme discard priority */ | |
97 | ||
98 | /* Dongle media info */ | |
55685b8f | 99 | char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN]; |
5b435de0 | 100 | u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */ |
5b435de0 | 101 | |
5b435de0 AS |
102 | /* Multicast data packets sent to dongle */ |
103 | unsigned long tx_multicast; | |
5b435de0 | 104 | |
d08b6a37 FL |
105 | struct brcmf_if *iflist[BRCMF_MAX_IFS]; |
106 | ||
107 | struct mutex proto_block; | |
81f5dcb8 | 108 | unsigned char proto_buf[BRCMF_DCMD_MAXLEN]; |
d08b6a37 | 109 | |
5c36b99a | 110 | struct brcmf_fweh_info fweh; |
349e7104 | 111 | |
349e7104 | 112 | struct brcmf_fws_info *fws; |
87edd891 AS |
113 | |
114 | struct brcmf_ampdu_rx_reorder | |
115 | *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS]; | |
d319a7cf AS |
116 | #ifdef DEBUG |
117 | struct dentry *dbgfs_dir; | |
118 | #endif | |
5b435de0 AS |
119 | }; |
120 | ||
bb8c8063 | 121 | /* forward declarations */ |
3eacf866 | 122 | struct brcmf_cfg80211_vif; |
bb8c8063 | 123 | struct brcmf_fws_mac_descriptor; |
3eacf866 | 124 | |
29e04ae3 AS |
125 | /** |
126 | * enum brcmf_netif_stop_reason - reason for stopping netif queue. | |
127 | * | |
128 | * @BRCMF_NETIF_STOP_REASON_FWS_FC: | |
129 | * netif stopped due to firmware signalling flow control. | |
130 | * @BRCMF_NETIF_STOP_REASON_BLOCK_BUS: | |
131 | * netif stopped due to bus blocking. | |
132 | */ | |
133 | enum brcmf_netif_stop_reason { | |
134 | BRCMF_NETIF_STOP_REASON_FWS_FC = 1, | |
135 | BRCMF_NETIF_STOP_REASON_BLOCK_BUS = 2 | |
136 | }; | |
137 | ||
1d4fd8d7 AS |
138 | /** |
139 | * struct brcmf_if - interface control information. | |
140 | * | |
141 | * @drvr: points to device related information. | |
3eacf866 | 142 | * @vif: points to cfg80211 specific interface information. |
1d4fd8d7 AS |
143 | * @ndev: associated network device. |
144 | * @stats: interface specific network statistics. | |
bb8c8063 AS |
145 | * @setmacaddr_work: worker object for setting mac address. |
146 | * @multicast_work: worker object for multicast provisioning. | |
147 | * @fws_desc: interface specific firmware-signalling descriptor. | |
2880b868 | 148 | * @ifidx: interface index in device firmware. |
1d4fd8d7 AS |
149 | * @bssidx: index of bss associated with this interface. |
150 | * @mac_addr: assigned mac address. | |
29e04ae3 | 151 | * @netif_stop: bitmap indicates reason why netif queues are stopped. |
df50f756 | 152 | * @netif_stop_lock: spinlock for update netif_stop from multiple sources. |
10ef7321 HM |
153 | * @pend_8021x_cnt: tracks outstanding number of 802.1x frames. |
154 | * @pend_8021x_wait: used for signalling change in count. | |
1d4fd8d7 AS |
155 | */ |
156 | struct brcmf_if { | |
157 | struct brcmf_pub *drvr; | |
3eacf866 | 158 | struct brcmf_cfg80211_vif *vif; |
1d4fd8d7 AS |
159 | struct net_device *ndev; |
160 | struct net_device_stats stats; | |
bdf5ff51 AS |
161 | struct work_struct setmacaddr_work; |
162 | struct work_struct multicast_work; | |
bb8c8063 | 163 | struct brcmf_fws_mac_descriptor *fws_desc; |
2880b868 | 164 | int ifidx; |
1d4fd8d7 AS |
165 | s32 bssidx; |
166 | u8 mac_addr[ETH_ALEN]; | |
29e04ae3 | 167 | u8 netif_stop; |
df50f756 | 168 | spinlock_t netif_stop_lock; |
10ef7321 HM |
169 | atomic_t pend_8021x_cnt; |
170 | wait_queue_head_t pend_8021x_wait; | |
5b435de0 AS |
171 | }; |
172 | ||
87edd891 AS |
173 | struct brcmf_skb_reorder_data { |
174 | u8 *reorder; | |
175 | }; | |
1d4fd8d7 | 176 | |
9bd91f3c | 177 | int brcmf_netdev_wait_pend8021x(struct net_device *ndev); |
5b435de0 | 178 | |
5b435de0 | 179 | /* Return pointer to interface name */ |
9bd91f3c | 180 | char *brcmf_ifname(struct brcmf_pub *drvr, int idx); |
5b435de0 | 181 | |
9bd91f3c JP |
182 | int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked); |
183 | struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, | |
184 | char *name, u8 *mac_addr); | |
185 | void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx); | |
29e04ae3 AS |
186 | void brcmf_txflowblock_if(struct brcmf_if *ifp, |
187 | enum brcmf_netif_stop_reason reason, bool state); | |
9bd91f3c JP |
188 | u32 brcmf_get_chip_info(struct brcmf_if *ifp); |
189 | void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, | |
190 | bool success); | |
5b435de0 | 191 | |
f931868d HM |
192 | /* Sets dongle media info (drv_version, mac address). */ |
193 | int brcmf_c_preinit_dcmds(struct brcmf_if *ifp); | |
194 | ||
5b435de0 | 195 | #endif /* _BRCMF_H_ */ |