2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
21 #ifndef BRCMFMAC_CORE_H
22 #define BRCMFMAC_CORE_H
24 #include <net/cfg80211.h>
27 #define TOE_TX_CSUM_OL 0x00000001
28 #define TOE_RX_CSUM_OL 0x00000002
30 /* For supporting multiple interfaces */
31 #define BRCMF_MAX_IFS 16
33 /* Small, medium and maximum buffer size for dcmd
35 #define BRCMF_DCMD_SMLEN 256
36 #define BRCMF_DCMD_MEDLEN 1536
37 #define BRCMF_DCMD_MAXLEN 8192
39 /* IOCTL from host to device are limited in lenght. A device can only handle
40 * ethernet frame size. This limitation is to be applied by protocol layer.
42 #define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN)
44 #define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256
46 /* Length of firmware version string stored for
47 * ethtool driver info which uses 32 bytes as well.
49 #define BRCMF_DRIVER_FIRMWARE_VERSION_LEN 32
51 #define NDOL_MAX_ENTRIES 8
54 * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info
56 * @pktslots: dynamic allocated array for ordering AMPDU packets.
57 * @flow_id: AMPDU flow identifier.
58 * @cur_idx: last AMPDU index from firmware.
59 * @exp_idx: expected next AMPDU index.
60 * @max_idx: maximum amount of packets per AMPDU.
61 * @pend_pkts: number of packets currently in @pktslots.
63 struct brcmf_ampdu_rx_reorder {
64 struct sk_buff **pktslots;
72 /* Forward decls for struct brcmf_pub (see below) */
73 struct brcmf_proto; /* device communication protocol info */
74 struct brcmf_fws_info; /* firmware signalling info */
75 struct brcmf_mp_device; /* module paramateres, device specific */
78 * struct brcmf_rev_info
80 * The result field stores the error code of the
81 * revision info request from firmware. For the
82 * other fields see struct brcmf_rev_info_le in
85 struct brcmf_rev_info {
106 /* Common structure for module and instance linkage */
108 /* Linkage ponters */
109 struct brcmf_bus *bus_if;
110 struct brcmf_proto *proto;
111 struct brcmf_cfg80211_info *config;
113 /* Internal brcmf items */
114 uint hdrlen; /* Total BRCMF header length (proto + bus) */
115 uint rxsz; /* Rx buffer size bus module should use */
117 /* Dongle media info */
118 char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN];
119 u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */
121 /* Multicast data packets sent to dongle */
122 unsigned long tx_multicast;
124 struct mac_address addresses[BRCMF_MAX_IFS];
126 struct brcmf_if *iflist[BRCMF_MAX_IFS];
127 s32 if2bss[BRCMF_MAX_IFS];
129 struct mutex proto_block;
130 unsigned char proto_buf[BRCMF_DCMD_MAXLEN];
132 struct brcmf_fweh_info fweh;
134 struct brcmf_fws_info *fws;
136 struct brcmf_ampdu_rx_reorder
137 *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS];
142 struct brcmf_rev_info revinfo;
144 struct dentry *dbgfs_dir;
147 struct notifier_block inetaddr_notifier;
148 struct notifier_block inet6addr_notifier;
149 struct brcmf_mp_device *settings;
152 /* forward declarations */
153 struct brcmf_cfg80211_vif;
154 struct brcmf_fws_mac_descriptor;
157 * enum brcmf_netif_stop_reason - reason for stopping netif queue.
159 * @BRCMF_NETIF_STOP_REASON_FWS_FC:
160 * netif stopped due to firmware signalling flow control.
161 * @BRCMF_NETIF_STOP_REASON_FLOW:
162 * netif stopped due to flowring full.
163 * @BRCMF_NETIF_STOP_REASON_DISCONNECTED:
164 * netif stopped due to not being connected (STA mode).
166 enum brcmf_netif_stop_reason {
167 BRCMF_NETIF_STOP_REASON_FWS_FC = BIT(0),
168 BRCMF_NETIF_STOP_REASON_FLOW = BIT(1),
169 BRCMF_NETIF_STOP_REASON_DISCONNECTED = BIT(2)
173 * struct brcmf_if - interface control information.
175 * @drvr: points to device related information.
176 * @vif: points to cfg80211 specific interface information.
177 * @ndev: associated network device.
178 * @stats: interface specific network statistics.
179 * @setmacaddr_work: worker object for setting mac address.
180 * @multicast_work: worker object for multicast provisioning.
181 * @ndoffload_work: worker object for neighbor discovery offload configuration.
182 * @fws_desc: interface specific firmware-signalling descriptor.
183 * @ifidx: interface index in device firmware.
184 * @bsscfgidx: index of bss associated with this interface.
185 * @mac_addr: assigned mac address.
186 * @netif_stop: bitmap indicates reason why netif queues are stopped.
187 * @netif_stop_lock: spinlock for update netif_stop from multiple sources.
188 * @pend_8021x_cnt: tracks outstanding number of 802.1x frames.
189 * @pend_8021x_wait: used for signalling change in count.
192 struct brcmf_pub *drvr;
193 struct brcmf_cfg80211_vif *vif;
194 struct net_device *ndev;
195 struct net_device_stats stats;
196 struct work_struct setmacaddr_work;
197 struct work_struct multicast_work;
198 struct work_struct ndoffload_work;
199 struct brcmf_fws_mac_descriptor *fws_desc;
202 u8 mac_addr[ETH_ALEN];
204 spinlock_t netif_stop_lock;
205 atomic_t pend_8021x_cnt;
206 wait_queue_head_t pend_8021x_wait;
207 struct in6_addr ipv6_addr_tbl[NDOL_MAX_ENTRIES];
211 struct brcmf_skb_reorder_data {
215 int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp);
217 /* Return pointer to interface name */
218 char *brcmf_ifname(struct brcmf_if *ifp);
219 struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);
220 int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
221 struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
222 bool is_p2pdev, char *name, u8 *mac_addr);
223 void brcmf_remove_interface(struct brcmf_if *ifp);
224 int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr);
225 void brcmf_txflowblock_if(struct brcmf_if *ifp,
226 enum brcmf_netif_stop_reason reason, bool state);
227 void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success);
228 void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb);
229 void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on);
230 int __init brcmf_core_init(void);
231 void __exit brcmf_core_exit(void);
233 #endif /* BRCMFMAC_CORE_H */