diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/wldev_common.c')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/wldev_common.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/wldev_common.c b/drivers/net/wireless/bcmdhd/wldev_common.c new file mode 100644 index 000000000000..bb3eaea90d0f --- /dev/null +++ b/drivers/net/wireless/bcmdhd/wldev_common.c @@ -0,0 +1,341 @@ +/* + * Common function shared by Linux WEXT, cfg80211 and p2p drivers + * + * Copyright (C) 1999-2011, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * $Id: wldev_common.c,v 1.1.4.1.2.14 2011-02-09 01:40:07 $ + */ + +#include <linux/module.h> +#include <linux/netdevice.h> + +#include <wldev_common.h> +#include <bcmutils.h> +#include <dhd_dbg.h> + +#define htod32(i) i +#define htod16(i) i +#define dtoh32(i) i +#define dtoh16(i) i +#define htodchanspec(i) i +#define dtohchanspec(i) i +extern int dhd_ioctl_entry_local(struct net_device *net, wl_ioctl_t *ioc, int cmd); + +s32 wldev_ioctl( + struct net_device *dev, u32 cmd, void *arg, u32 len, u32 set) +{ + s32 ret = 0; + struct wl_ioctl ioc; + + memset(&ioc, 0, sizeof(ioc)); + ioc.cmd = cmd; + ioc.buf = arg; + ioc.len = len; + ioc.set = set; + + ret = dhd_ioctl_entry_local(dev, &ioc, cmd); + return ret; +} + +/* Format a iovar buffer, not bsscfg indexed. The bsscfg index will be + * taken care of in dhd_ioctl_entry. Internal use only, not exposed to + * wl_iw, wl_cfg80211 and wl_cfgp2p + */ +static s32 wldev_mkiovar( + s8 *iovar_name, s8 *param, s32 paramlen, + s8 *iovar_buf, u32 buflen) +{ + s32 iolen = 0; + + iolen = bcm_mkiovar(iovar_name, param, paramlen, iovar_buf, buflen); + return iolen; +} + +s32 wldev_iovar_getbuf( + struct net_device *dev, s8 *iovar_name, + void *param, s32 paramlen, void *buf, s32 buflen) +{ + s32 ret = 0; + s32 iovar_len = 0; + + iovar_len = wldev_mkiovar(iovar_name, param, paramlen, buf, buflen); + ret = wldev_ioctl(dev, WLC_GET_VAR, buf, buflen, FALSE); + return ret; +} + + +s32 wldev_iovar_setbuf( + struct net_device *dev, s8 *iovar_name, + void *param, s32 paramlen, void *buf, s32 buflen) +{ + s32 ret = 0; + s32 iovar_len; + + iovar_len = wldev_mkiovar(iovar_name, param, paramlen, buf, buflen); + ret = wldev_ioctl(dev, WLC_SET_VAR, buf, iovar_len, TRUE); + return ret; +} + +s32 wldev_iovar_setint( + struct net_device *dev, s8 *iovar, s32 val) +{ + s8 iovar_buf[WLC_IOCTL_SMLEN]; + + val = htod32(val); + memset(iovar_buf, 0, sizeof(iovar_buf)); + return wldev_iovar_setbuf(dev, iovar, &val, sizeof(val), iovar_buf, + sizeof(iovar_buf)); +} + + +s32 wldev_iovar_getint( + struct net_device *dev, s8 *iovar, s32 *pval) +{ + s8 iovar_buf[WLC_IOCTL_SMLEN]; + s32 err; + + memset(iovar_buf, 0, sizeof(iovar_buf)); + err = wldev_iovar_getbuf(dev, iovar, pval, sizeof(*pval), iovar_buf, + sizeof(iovar_buf)); + if (err == 0) + { + memcpy(pval, iovar_buf, sizeof(*pval)); + *pval = dtoh32(*pval); + } + return err; +} + +/** Format a bsscfg indexed iovar buffer. The bsscfg index will be + * taken care of in dhd_ioctl_entry. Internal use only, not exposed to + * wl_iw, wl_cfg80211 and wl_cfgp2p + */ +s32 wldev_mkiovar_bsscfg( + const s8 *iovar_name, s8 *param, s32 paramlen, + s8 *iovar_buf, s32 buflen, s32 bssidx) +{ + const s8 *prefix = "bsscfg:"; + s8 *p; + u32 prefixlen; + u32 namelen; + u32 iolen; + + if (bssidx == 0) { + return wldev_mkiovar((s8*)iovar_name, (s8 *)param, paramlen, + (s8 *) iovar_buf, buflen); + } + + prefixlen = (u32) strlen(prefix); /* lengh of bsscfg prefix */ + namelen = (u32) strlen(iovar_name) + 1; /* lengh of iovar name + null */ + iolen = prefixlen + namelen + sizeof(u32) + paramlen; + + if (buflen < 0 || iolen > (u32)buflen) + { + DHD_ERROR(("%s: buffer is too short\n", __FUNCTION__)); + return BCME_BUFTOOSHORT; + } + + p = (s8 *)iovar_buf; + + /* copy prefix, no null */ + memcpy(p, prefix, prefixlen); + p += prefixlen; + + /* copy iovar name including null */ + memcpy(p, iovar_name, namelen); + p += namelen; + + /* bss config index as first param */ + bssidx = htod32(bssidx); + memcpy(p, &bssidx, sizeof(u32)); + p += sizeof(u32); + + /* parameter buffer follows */ + if (paramlen) + memcpy(p, param, paramlen); + + return iolen; + +} + +s32 wldev_iovar_getbuf_bsscfg( + struct net_device *dev, s8 *iovar_name, + void *param, s32 paramlen, void *buf, s32 buflen, s32 bsscfg_idx) +{ + s32 ret = 0; + s32 iovar_len = 0; + + iovar_len = wldev_mkiovar_bsscfg(iovar_name, param, paramlen, buf, buflen, bsscfg_idx); + ret = wldev_ioctl(dev, WLC_GET_VAR, buf, buflen, FALSE); + return ret; + +} + +s32 wldev_iovar_setbuf_bsscfg( + struct net_device *dev, s8 *iovar_name, + void *param, s32 paramlen, void *buf, s32 buflen, s32 bsscfg_idx) +{ + s32 ret = 0; + s32 iovar_len; + + iovar_len = wldev_mkiovar_bsscfg(iovar_name, param, paramlen, buf, buflen, bsscfg_idx); + ret = wldev_ioctl(dev, WLC_SET_VAR, buf, iovar_len, TRUE); + return ret; +} + +s32 wldev_iovar_setint_bsscfg( + struct net_device *dev, s8 *iovar, s32 val, s32 bssidx) +{ + s8 iovar_buf[WLC_IOCTL_SMLEN]; + + val = htod32(val); + memset(iovar_buf, 0, sizeof(iovar_buf)); + return wldev_iovar_setbuf_bsscfg(dev, iovar, &val, sizeof(val), iovar_buf, + sizeof(iovar_buf), bssidx); +} + + +s32 wldev_iovar_getint_bsscfg( + struct net_device *dev, s8 *iovar, s32 *pval, s32 bssidx) +{ + s8 iovar_buf[WLC_IOCTL_SMLEN]; + s32 err; + + memset(iovar_buf, 0, sizeof(iovar_buf)); + err = wldev_iovar_getbuf_bsscfg(dev, iovar, pval, sizeof(*pval), iovar_buf, + sizeof(iovar_buf), bssidx); + if (err == 0) + { + memcpy(pval, iovar_buf, sizeof(*pval)); + *pval = dtoh32(*pval); + } + return err; +} + +int wldev_get_link_speed( + struct net_device *dev, int *plink_speed) +{ + int error; + + if (!plink_speed) + return -ENOMEM; + error = wldev_ioctl(dev, WLC_GET_RATE, plink_speed, sizeof(int), 0); + if (unlikely(error)) + return error; + + /* Convert internal 500Kbps to Kbps */ + *plink_speed *= 500; + return error; +} + +int wldev_get_rssi( + struct net_device *dev, int *prssi) +{ + scb_val_t scb_val; + int error; + + if (!prssi) + return -ENOMEM; + bzero(&scb_val, sizeof(scb_val_t)); + + error = wldev_ioctl(dev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t), 0); + if (unlikely(error)) + return error; + + *prssi = dtoh32(scb_val.val); + return error; +} + +int wldev_get_ssid( + struct net_device *dev, wlc_ssid_t *pssid) +{ + int error; + + if (!pssid) + return -ENOMEM; + error = wldev_ioctl(dev, WLC_GET_SSID, pssid, sizeof(wlc_ssid_t), 0); + if (unlikely(error)) + return error; + pssid->SSID_len = dtoh32(pssid->SSID_len); + return error; +} + +int wldev_get_band( + struct net_device *dev, uint *pband) +{ + int error; + + error = wldev_ioctl(dev, WLC_GET_BAND, pband, sizeof(uint), 0); + return error; +} + +int wldev_set_band( + struct net_device *dev, uint band) +{ + int error = -1; + + if ((band == WLC_BAND_AUTO) || (band == WLC_BAND_5G) || (band == WLC_BAND_2G)) { + error = wldev_ioctl(dev, WLC_SET_BAND, &band, sizeof(band), 1); + } + return error; +} + +int wldev_set_country( + struct net_device *dev, char *country_code) +{ + int error = -1; + wl_country_t cspec = {{0}, 0, {0}}; + scb_val_t scbval; + char smbuf[WLC_IOCTL_SMLEN]; + + if (!country_code) + return error; + + error = wldev_iovar_getbuf(dev, "country", &cspec, sizeof(cspec), + smbuf, sizeof(smbuf)); + if (error < 0) + DHD_ERROR(("%s: get country failed = %d\n", __FUNCTION__, error)); + + if ((error < 0) || + (strncmp(country_code, smbuf, WLC_CNTRY_BUF_SZ) != 0)) { + bzero(&scbval, sizeof(scb_val_t)); + error = wldev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), 1); + if (error < 0) { + DHD_ERROR(("%s: set country failed due to Disassoc error %d\n", + __FUNCTION__, error)); + return error; + } + } + cspec.rev = -1; + memcpy(cspec.country_abbrev, country_code, WLC_CNTRY_BUF_SZ); + memcpy(cspec.ccode, country_code, WLC_CNTRY_BUF_SZ); + get_customized_country_code((char *)&cspec.country_abbrev, &cspec); + error = wldev_iovar_setbuf(dev, "country", &cspec, sizeof(cspec), + smbuf, sizeof(smbuf)); + if (error < 0) { + DHD_ERROR(("%s: set country for %s as %s rev %d failed\n", + __FUNCTION__, country_code, cspec.ccode, cspec.rev)); + return error; + } + dhd_bus_country_set(dev, &cspec); + DHD_INFO(("%s: set country for %s as %s rev %d\n", + __FUNCTION__, country_code, cspec.ccode, cspec.rev)); + return 0; +} |