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.
17 #include <linux/kernel.h>
18 #include <linux/string.h>
19 #include <linux/netdevice.h>
20 #include <brcmu_wifi.h>
21 #include <brcmu_utils.h>
26 #include "fwil_types.h"
27 #include "tracepoint.h"
29 #define BRCMF_DEFAULT_BCN_TIMEOUT 3
30 #define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40
31 #define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40
33 /* boost value for RSSI_DELTA in preferred join selection */
34 #define BRCMF_JOIN_PREF_RSSI_BOOST 8
36 int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
38 s8 eventmask[BRCMF_EVENTING_MASK_LEN];
39 u8 buf[BRCMF_DCMD_SMLEN];
40 struct brcmf_join_pref_params join_pref_params[2];
44 /* retreive mac address */
45 err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr,
46 sizeof(ifp->mac_addr));
48 brcmf_err("Retreiving cur_etheraddr failed, %d\n",
52 memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac));
54 /* query for 'ver' to get version info from firmware */
55 memset(buf, 0, sizeof(buf));
57 err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
59 brcmf_err("Retreiving version information failed, %d\n",
66 /* Print fw version info */
67 brcmf_err("Firmware version = %s\n", buf);
69 /* locate firmware version number for ethtool */
70 ptr = strrchr(buf, ' ') + 1;
71 strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver));
74 err = brcmf_fil_iovar_int_set(ifp, "mpc", 1);
76 brcmf_err("failed setting mpc\n");
81 * Setup timeout if Beacons are lost and roam is off to report
84 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout",
85 BRCMF_DEFAULT_BCN_TIMEOUT);
87 brcmf_err("bcn_timeout error (%d)\n", err);
91 /* Enable/Disable build-in roaming to allowed ext supplicant to take
94 err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
96 brcmf_err("roam_off error (%d)\n", err);
100 /* Setup join_pref to select target by RSSI(with boost on 5GHz) */
101 join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA;
102 join_pref_params[0].len = 2;
103 join_pref_params[0].rssi_gain = BRCMF_JOIN_PREF_RSSI_BOOST;
104 join_pref_params[0].band = WLC_BAND_5G;
105 join_pref_params[1].type = BRCMF_JOIN_PREF_RSSI;
106 join_pref_params[1].len = 2;
107 join_pref_params[1].rssi_gain = 0;
108 join_pref_params[1].band = 0;
109 err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
110 sizeof(join_pref_params));
112 brcmf_err("Set join_pref error (%d)\n", err);
114 /* Setup event_msgs, enable E_IF */
115 err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
116 BRCMF_EVENTING_MASK_LEN);
118 brcmf_err("Get event_msgs error (%d)\n", err);
121 setbit(eventmask, BRCMF_E_IF);
122 err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask,
123 BRCMF_EVENTING_MASK_LEN);
125 brcmf_err("Set event_msgs error (%d)\n", err);
129 /* Setup default scan channel time */
130 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
131 BRCMF_DEFAULT_SCAN_CHANNEL_TIME);
133 brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
138 /* Setup default scan unassoc time */
139 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
140 BRCMF_DEFAULT_SCAN_UNASSOC_TIME);
142 brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
147 /* do bus specific preinit here */
148 err = brcmf_bus_preinit(ifp->drvr->bus_if);
153 #if defined(CONFIG_BRCM_TRACING) || defined(CONFIG_BRCMDBG)
154 void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...)
156 struct va_format vaf = {
163 if (brcmf_msg_level & level)
164 pr_debug("%s %pV", func, &vaf);
165 trace_brcmf_dbg(level, func, &vaf);