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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 | ||
122d3d04 HM |
21 | #ifndef BRCMFMAC_CORE_H |
22 | #define BRCMFMAC_CORE_H | |
5b435de0 | 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 | ||
87edd891 AS |
52 | /** |
53 | * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info | |
54 | * | |
55 | * @pktslots: dynamic allocated array for ordering AMPDU packets. | |
56 | * @flow_id: AMPDU flow identifier. | |
57 | * @cur_idx: last AMPDU index from firmware. | |
58 | * @exp_idx: expected next AMPDU index. | |
59 | * @max_idx: maximum amount of packets per AMPDU. | |
60 | * @pend_pkts: number of packets currently in @pktslots. | |
61 | */ | |
62 | struct brcmf_ampdu_rx_reorder { | |
63 | struct sk_buff **pktslots; | |
64 | u8 flow_id; | |
65 | u8 cur_idx; | |
66 | u8 exp_idx; | |
67 | u8 max_idx; | |
68 | u8 pend_pkts; | |
69 | }; | |
70 | ||
5b435de0 | 71 | /* Forward decls for struct brcmf_pub (see below) */ |
5b435de0 | 72 | struct brcmf_proto; /* device communication protocol info */ |
5b435de0 | 73 | struct brcmf_cfg80211_dev; /* cfg80211 device info */ |
349e7104 | 74 | struct brcmf_fws_info; /* firmware signalling info */ |
5b435de0 AS |
75 | |
76 | /* Common structure for module and instance linkage */ | |
77 | struct brcmf_pub { | |
78 | /* Linkage ponters */ | |
8d169aa0 | 79 | struct brcmf_bus *bus_if; |
85b84133 | 80 | struct brcmf_proto *proto; |
27a68fe3 | 81 | struct brcmf_cfg80211_info *config; |
5b435de0 AS |
82 | |
83 | /* Internal brcmf items */ | |
5b435de0 | 84 | uint hdrlen; /* Total BRCMF header length (proto + bus) */ |
5b435de0 | 85 | uint rxsz; /* Rx buffer size bus module should use */ |
5b435de0 AS |
86 | |
87 | /* Dongle media info */ | |
55685b8f | 88 | char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN]; |
5b435de0 | 89 | u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */ |
5b435de0 | 90 | |
5b435de0 AS |
91 | /* Multicast data packets sent to dongle */ |
92 | unsigned long tx_multicast; | |
5b435de0 | 93 | |
d08b6a37 FL |
94 | struct brcmf_if *iflist[BRCMF_MAX_IFS]; |
95 | ||
96 | struct mutex proto_block; | |
81f5dcb8 | 97 | unsigned char proto_buf[BRCMF_DCMD_MAXLEN]; |
d08b6a37 | 98 | |
5c36b99a | 99 | struct brcmf_fweh_info fweh; |
349e7104 | 100 | |
349e7104 | 101 | struct brcmf_fws_info *fws; |
87edd891 AS |
102 | |
103 | struct brcmf_ampdu_rx_reorder | |
104 | *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS]; | |
c08437b4 AS |
105 | |
106 | u32 feat_flags; | |
107 | u32 chip_quirks; | |
108 | ||
d319a7cf AS |
109 | #ifdef DEBUG |
110 | struct dentry *dbgfs_dir; | |
111 | #endif | |
5b435de0 AS |
112 | }; |
113 | ||
bb8c8063 | 114 | /* forward declarations */ |
3eacf866 | 115 | struct brcmf_cfg80211_vif; |
bb8c8063 | 116 | struct brcmf_fws_mac_descriptor; |
3eacf866 | 117 | |
29e04ae3 AS |
118 | /** |
119 | * enum brcmf_netif_stop_reason - reason for stopping netif queue. | |
120 | * | |
121 | * @BRCMF_NETIF_STOP_REASON_FWS_FC: | |
122 | * netif stopped due to firmware signalling flow control. | |
17ca5c71 HM |
123 | * @BRCMF_NETIF_STOP_REASON_FLOW: |
124 | * netif stopped due to flowring full. | |
29e04ae3 AS |
125 | */ |
126 | enum brcmf_netif_stop_reason { | |
127 | BRCMF_NETIF_STOP_REASON_FWS_FC = 1, | |
17ca5c71 | 128 | BRCMF_NETIF_STOP_REASON_FLOW = 2 |
29e04ae3 AS |
129 | }; |
130 | ||
1d4fd8d7 AS |
131 | /** |
132 | * struct brcmf_if - interface control information. | |
133 | * | |
134 | * @drvr: points to device related information. | |
3eacf866 | 135 | * @vif: points to cfg80211 specific interface information. |
1d4fd8d7 AS |
136 | * @ndev: associated network device. |
137 | * @stats: interface specific network statistics. | |
bb8c8063 AS |
138 | * @setmacaddr_work: worker object for setting mac address. |
139 | * @multicast_work: worker object for multicast provisioning. | |
140 | * @fws_desc: interface specific firmware-signalling descriptor. | |
2880b868 | 141 | * @ifidx: interface index in device firmware. |
1d4fd8d7 AS |
142 | * @bssidx: index of bss associated with this interface. |
143 | * @mac_addr: assigned mac address. | |
29e04ae3 | 144 | * @netif_stop: bitmap indicates reason why netif queues are stopped. |
df50f756 | 145 | * @netif_stop_lock: spinlock for update netif_stop from multiple sources. |
10ef7321 HM |
146 | * @pend_8021x_cnt: tracks outstanding number of 802.1x frames. |
147 | * @pend_8021x_wait: used for signalling change in count. | |
1d4fd8d7 AS |
148 | */ |
149 | struct brcmf_if { | |
150 | struct brcmf_pub *drvr; | |
3eacf866 | 151 | struct brcmf_cfg80211_vif *vif; |
1d4fd8d7 AS |
152 | struct net_device *ndev; |
153 | struct net_device_stats stats; | |
bdf5ff51 AS |
154 | struct work_struct setmacaddr_work; |
155 | struct work_struct multicast_work; | |
bb8c8063 | 156 | struct brcmf_fws_mac_descriptor *fws_desc; |
2880b868 | 157 | int ifidx; |
1d4fd8d7 AS |
158 | s32 bssidx; |
159 | u8 mac_addr[ETH_ALEN]; | |
29e04ae3 | 160 | u8 netif_stop; |
df50f756 | 161 | spinlock_t netif_stop_lock; |
10ef7321 HM |
162 | atomic_t pend_8021x_cnt; |
163 | wait_queue_head_t pend_8021x_wait; | |
5b435de0 AS |
164 | }; |
165 | ||
87edd891 AS |
166 | struct brcmf_skb_reorder_data { |
167 | u8 *reorder; | |
168 | }; | |
1d4fd8d7 | 169 | |
9bd91f3c | 170 | int brcmf_netdev_wait_pend8021x(struct net_device *ndev); |
5b435de0 | 171 | |
5b435de0 | 172 | /* Return pointer to interface name */ |
9bd91f3c | 173 | char *brcmf_ifname(struct brcmf_pub *drvr, int idx); |
5b435de0 | 174 | |
9bd91f3c JP |
175 | int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked); |
176 | struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, | |
177 | char *name, u8 *mac_addr); | |
a44aa400 HM |
178 | void brcmf_remove_interface(struct brcmf_pub *drvr, u32 bssidx); |
179 | int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr); | |
29e04ae3 AS |
180 | void brcmf_txflowblock_if(struct brcmf_if *ifp, |
181 | enum brcmf_netif_stop_reason reason, bool state); | |
53e30ea4 | 182 | void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx, |
9bd91f3c | 183 | bool success); |
9374a2b5 | 184 | void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb); |
5b435de0 | 185 | |
f931868d HM |
186 | /* Sets dongle media info (drv_version, mac address). */ |
187 | int brcmf_c_preinit_dcmds(struct brcmf_if *ifp); | |
188 | ||
122d3d04 | 189 | #endif /* BRCMFMAC_CORE_H */ |