2 * Copyright (c) 2012 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.
17 /* FWIL is the Firmware Interface Layer. In this module the support functions
18 * are located to set and get variables to and from the firmware.
21 #include <linux/kernel.h>
22 #include <linux/netdevice.h>
24 #include <brcmu_utils.h>
25 #include <brcmu_wifi.h>
33 brcmf_fil_cmd_data(struct brcmf_if
*ifp
, u32 cmd
, void *data
, u32 len
, bool set
)
35 struct brcmf_pub
*drvr
= ifp
->drvr
;
38 if (drvr
->bus_if
->state
== BRCMF_BUS_DOWN
) {
39 brcmf_dbg(ERROR
, "bus is down. we have nothing to do.\n");
44 len
= min_t(uint
, len
, BRCMF_DCMD_MAXLEN
);
46 err
= brcmf_proto_cdc_set_dcmd(drvr
, ifp
->idx
, cmd
, data
, len
);
48 err
= brcmf_proto_cdc_query_dcmd(drvr
, ifp
->idx
, cmd
, data
,
54 brcmf_dbg(ERROR
, "Failed err=%d\n", err
);
60 brcmf_fil_cmd_data_set(struct net_device
*ndev
, u32 cmd
, void *data
, u32 len
)
62 struct brcmf_if
*ifp
= netdev_priv(ndev
);
65 mutex_lock(&ifp
->drvr
->proto_block
);
67 brcmf_dbg(FIL
, "cmd=%d, len=%d\n", cmd
, len
);
68 brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data
, len
, "data");
70 err
= brcmf_fil_cmd_data(ifp
, cmd
, data
, len
, true);
71 mutex_unlock(&ifp
->drvr
->proto_block
);
77 brcmf_fil_cmd_data_get(struct net_device
*ndev
, u32 cmd
, void *data
, u32 len
)
79 struct brcmf_if
*ifp
= netdev_priv(ndev
);
82 mutex_lock(&ifp
->drvr
->proto_block
);
83 err
= brcmf_fil_cmd_data(ifp
, cmd
, data
, len
, false);
85 brcmf_dbg(FIL
, "cmd=%d, len=%d\n", cmd
, len
);
86 brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data
, len
, "data");
88 mutex_unlock(&ifp
->drvr
->proto_block
);
95 brcmf_fil_cmd_int_set(struct net_device
*ndev
, u32 cmd
, u32 data
)
97 struct brcmf_if
*ifp
= netdev_priv(ndev
);
99 __le32 data_le
= cpu_to_le32(data
);
101 mutex_lock(&ifp
->drvr
->proto_block
);
102 err
= brcmf_fil_cmd_data(ifp
, cmd
, &data_le
, sizeof(data_le
), true);
103 mutex_unlock(&ifp
->drvr
->proto_block
);
109 brcmf_fil_cmd_int_get(struct net_device
*ndev
, u32 cmd
, u32
*data
)
111 struct brcmf_if
*ifp
= netdev_priv(ndev
);
113 __le32 data_le
= cpu_to_le32(*data
);
115 mutex_lock(&ifp
->drvr
->proto_block
);
116 err
= brcmf_fil_cmd_data(ifp
, cmd
, &data_le
, sizeof(data_le
), false);
117 mutex_unlock(&ifp
->drvr
->proto_block
);
118 *data
= le32_to_cpu(data_le
);
124 brcmf_create_iovar(char *name
, char *data
, u32 datalen
, char *buf
, u32 buflen
)
128 len
= strlen(name
) + 1;
130 if ((len
+ datalen
) > buflen
)
133 memcpy(buf
, name
, len
);
135 /* append data onto the end of the name string */
137 memcpy(&buf
[len
], data
, datalen
);
139 return len
+ datalen
;
144 brcmf_fil_iovar_data_set(struct net_device
*ndev
, char *name
, void *data
,
147 struct brcmf_if
*ifp
= netdev_priv(ndev
);
148 struct brcmf_pub
*drvr
= ifp
->drvr
;
152 mutex_lock(&drvr
->proto_block
);
154 brcmf_dbg(FIL
, "name=%s, len=%d\n", name
, len
);
155 brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data
, len
, "data");
157 buflen
= brcmf_create_iovar(name
, data
, len
, drvr
->proto_buf
,
158 sizeof(drvr
->proto_buf
));
160 err
= brcmf_fil_cmd_data(ifp
, BRCMF_C_SET_VAR
, drvr
->proto_buf
,
164 brcmf_dbg(ERROR
, "Creating iovar failed\n");
167 mutex_unlock(&drvr
->proto_block
);
172 brcmf_fil_iovar_data_get(struct net_device
*ndev
, char *name
, void *data
,
175 struct brcmf_if
*ifp
= netdev_priv(ndev
);
176 struct brcmf_pub
*drvr
= ifp
->drvr
;
180 mutex_lock(&drvr
->proto_block
);
182 buflen
= brcmf_create_iovar(name
, data
, len
, drvr
->proto_buf
,
183 sizeof(drvr
->proto_buf
));
185 err
= brcmf_fil_cmd_data(ifp
, BRCMF_C_GET_VAR
, drvr
->proto_buf
,
188 memcpy(data
, drvr
->proto_buf
, len
);
191 brcmf_dbg(ERROR
, "Creating iovar failed\n");
194 brcmf_dbg(FIL
, "name=%s, len=%d\n", name
, len
);
195 brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data
, len
, "data");
197 mutex_unlock(&drvr
->proto_block
);
202 brcmf_fil_iovar_int_set(struct net_device
*ndev
, char *name
, u32 data
)
204 __le32 data_le
= cpu_to_le32(data
);
206 return brcmf_fil_iovar_data_set(ndev
, name
, &data_le
, sizeof(data_le
));
210 brcmf_fil_iovar_int_get(struct net_device
*ndev
, char *name
, u32
*data
)
212 __le32 data_le
= cpu_to_le32(*data
);
215 err
= brcmf_fil_iovar_data_get(ndev
, name
, &data_le
, sizeof(data_le
));
217 *data
= le32_to_cpu(data_le
);
222 brcmf_create_bsscfg(s32 bssidx
, char *name
, char *data
, u32 datalen
, char *buf
,
225 const s8
*prefix
= "bsscfg:";
233 return brcmf_create_iovar(name
, data
, datalen
, buf
, buflen
);
235 prefixlen
= strlen(prefix
);
236 namelen
= strlen(name
) + 1; /* lengh of iovar name + null */
237 iolen
= prefixlen
+ namelen
+ sizeof(bssidx_le
) + datalen
;
239 if (buflen
< iolen
) {
240 brcmf_dbg(ERROR
, "buffer is too short\n");
246 /* copy prefix, no null */
247 memcpy(p
, prefix
, prefixlen
);
250 /* copy iovar name including null */
251 memcpy(p
, name
, namelen
);
254 /* bss config index as first data */
255 bssidx_le
= cpu_to_le32(bssidx
);
256 memcpy(p
, &bssidx_le
, sizeof(bssidx_le
));
257 p
+= sizeof(bssidx_le
);
259 /* parameter buffer follows */
261 memcpy(p
, data
, datalen
);
267 brcmf_fil_bsscfg_data_set(struct net_device
*ndev
, char *name
,
270 struct brcmf_if
*ifp
= netdev_priv(ndev
);
271 struct brcmf_pub
*drvr
= ifp
->drvr
;
275 mutex_lock(&drvr
->proto_block
);
277 brcmf_dbg(FIL
, "bssidx=%d, name=%s, len=%d\n", ifp
->bssidx
, name
, len
);
278 brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data
, len
, "data");
280 buflen
= brcmf_create_bsscfg(ifp
->bssidx
, name
, data
, len
,
281 drvr
->proto_buf
, sizeof(drvr
->proto_buf
));
283 err
= brcmf_fil_cmd_data(ifp
, BRCMF_C_SET_VAR
, drvr
->proto_buf
,
287 brcmf_dbg(ERROR
, "Creating bsscfg failed\n");
290 mutex_unlock(&drvr
->proto_block
);
295 brcmf_fil_bsscfg_data_get(struct net_device
*ndev
, char *name
,
298 struct brcmf_if
*ifp
= netdev_priv(ndev
);
299 struct brcmf_pub
*drvr
= ifp
->drvr
;
303 mutex_lock(&drvr
->proto_block
);
305 buflen
= brcmf_create_bsscfg(ifp
->bssidx
, name
, NULL
, len
,
306 drvr
->proto_buf
, sizeof(drvr
->proto_buf
));
308 err
= brcmf_fil_cmd_data(ifp
, BRCMF_C_GET_VAR
, drvr
->proto_buf
,
311 memcpy(data
, drvr
->proto_buf
, len
);
314 brcmf_dbg(ERROR
, "Creating bsscfg failed\n");
316 brcmf_dbg(FIL
, "bssidx=%d, name=%s, len=%d\n", ifp
->bssidx
, name
, len
);
317 brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data
, len
, "data");
319 mutex_unlock(&drvr
->proto_block
);
325 brcmf_fil_bsscfg_int_set(struct net_device
*ndev
, char *name
, u32 data
)
327 __le32 data_le
= cpu_to_le32(data
);
329 return brcmf_fil_bsscfg_data_set(ndev
, name
, &data_le
,
334 brcmf_fil_bsscfg_int_get(struct net_device
*ndev
, char *name
, u32
*data
)
336 __le32 data_le
= cpu_to_le32(*data
);
339 err
= brcmf_fil_bsscfg_data_get(ndev
, name
, &data_le
,
342 *data
= le32_to_cpu(data_le
);
This page took 0.044411 seconds and 5 git commands to generate.