| /* |
| * Common function shared by Linux WEXT, cfg80211 and p2p drivers |
| * |
| * $Copyright Open Broadcom Corporation$ |
| * |
| * $Id: wldev_common.c 504503 2014-09-24 11:28:56Z $ |
| */ |
| |
| #include <osl.h> |
| #include <linux/kernel.h> |
| #include <linux/kthread.h> |
| #include <linux/netdevice.h> |
| |
| #include <wldev_common.h> |
| #include <bcmutils.h> |
| #include <dhd_config.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) |
| |
| #define WLDEV_ERROR(args) \ |
| do { \ |
| printk(KERN_ERR "WLDEV-ERROR) %s : ", __func__); \ |
| printk args; \ |
| } while (0) |
| |
| 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, struct mutex* buf_sync) |
| { |
| s32 ret = 0; |
| if (buf_sync) { |
| mutex_lock(buf_sync); |
| } |
| wldev_mkiovar(iovar_name, param, paramlen, buf, buflen); |
| ret = wldev_ioctl(dev, WLC_GET_VAR, buf, buflen, FALSE); |
| if (buf_sync) |
| mutex_unlock(buf_sync); |
| return ret; |
| } |
| |
| |
| s32 wldev_iovar_setbuf( |
| struct net_device *dev, s8 *iovar_name, |
| void *param, s32 paramlen, void *buf, s32 buflen, struct mutex* buf_sync) |
| { |
| s32 ret = 0; |
| s32 iovar_len; |
| if (buf_sync) { |
| mutex_lock(buf_sync); |
| } |
| iovar_len = wldev_mkiovar(iovar_name, param, paramlen, buf, buflen); |
| if (iovar_len > 0) |
| ret = wldev_ioctl(dev, WLC_SET_VAR, buf, iovar_len, TRUE); |
| else |
| ret = BCME_BUFTOOSHORT; |
| |
| if (buf_sync) |
| mutex_unlock(buf_sync); |
| 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), NULL); |
| } |
| |
| |
| 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), NULL); |
| 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) |
| { |
| WLDEV_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, struct mutex* buf_sync) |
| { |
| s32 ret = 0; |
| if (buf_sync) { |
| mutex_lock(buf_sync); |
| } |
| |
| wldev_mkiovar_bsscfg(iovar_name, param, paramlen, buf, buflen, bsscfg_idx); |
| ret = wldev_ioctl(dev, WLC_GET_VAR, buf, buflen, FALSE); |
| if (buf_sync) { |
| mutex_unlock(buf_sync); |
| } |
| 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, struct mutex* buf_sync) |
| { |
| s32 ret = 0; |
| s32 iovar_len; |
| if (buf_sync) { |
| mutex_lock(buf_sync); |
| } |
| iovar_len = wldev_mkiovar_bsscfg(iovar_name, param, paramlen, buf, buflen, bsscfg_idx); |
| if (iovar_len > 0) |
| ret = wldev_ioctl(dev, WLC_SET_VAR, buf, iovar_len, TRUE); |
| else { |
| ret = BCME_BUFTOOSHORT; |
| } |
| |
| if (buf_sync) { |
| mutex_unlock(buf_sync); |
| } |
| 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, NULL); |
| } |
| |
| |
| 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, NULL); |
| 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), true); |
| if (!error) |
| dhd_bus_band_set(dev, band); |
| } |
| return error; |
| } |
| |
| int wldev_set_country( |
| struct net_device *dev, char *country_code, bool notify, bool user_enforced) |
| { |
| int error = -1; |
| wl_country_t cspec = {{0}, 0, {0}}; |
| scb_val_t scbval; |
| char smbuf[WLC_IOCTL_SMLEN]; |
| |
| if (!country_code) |
| return error; |
| |
| bzero(&scbval, sizeof(scb_val_t)); |
| error = wldev_iovar_getbuf(dev, "country", NULL, 0, &cspec, sizeof(cspec), NULL); |
| if (error < 0) { |
| WLDEV_ERROR(("%s: get country failed = %d\n", __FUNCTION__, error)); |
| return error; |
| } |
| |
| if ((error < 0) || |
| (strncmp(country_code, cspec.country_abbrev, WLC_CNTRY_BUF_SZ) != 0)) { |
| |
| if (user_enforced) { |
| bzero(&scbval, sizeof(scb_val_t)); |
| error = wldev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true); |
| if (error < 0) { |
| WLDEV_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); |
| error = dhd_conf_get_country_from_config(dhd_get_pub(dev), &cspec);
|
| if (error)
|
| dhd_get_customized_country_code(dev, (char *)&cspec.country_abbrev, &cspec);
|
| error = wldev_iovar_setbuf(dev, "country", &cspec, sizeof(cspec), |
| smbuf, sizeof(smbuf), NULL); |
| if (error < 0) { |
| WLDEV_ERROR(("%s: set country for %s as %s rev %d failed\n", |
| __FUNCTION__, country_code, cspec.ccode, cspec.rev)); |
| return error; |
| } |
| dhd_conf_fix_country(dhd_get_pub(dev)); |
| dhd_conf_get_country(dhd_get_pub(dev), &cspec); |
| dhd_bus_country_set(dev, &cspec, notify); |
| printf("%s: set country for %s as %s rev %d\n", |
| __FUNCTION__, country_code, cspec.ccode, cspec.rev); |
| } |
| return 0; |
| } |