From 63db1a499cee154826d63a7d0eb096fa666ab9fb Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Sun, 21 Dec 2014 12:43:51 +0100 Subject: [PATCH] brcmfmac: follow user-space regulatory domain selection When user-space uses a valid ISO-3166-1 country code for its regulatory domain selection, the driver will try to configure the firmware to use the same. Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Hante Meuleman Signed-off-by: Arend van Spriel Signed-off-by: Kalle Valo --- .../wireless/brcm80211/brcmfmac/cfg80211.c | 25 ++++++++++++++++++- .../wireless/brcm80211/brcmfmac/fwil_types.h | 14 +++++++++++ 2 files changed, 38 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c index 11725518d19a..2471dd58f17f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c @@ -3982,7 +3982,6 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n", settings->ssid, settings->ssid_len, settings->auth_type, settings->inactivity_timeout); - dev_role = ifp->vif->wdev.iftype; mbss = ifp->vif->mbss; @@ -5921,6 +5920,29 @@ int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, vif_event_equals(event, action), timeout); } +static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy, + struct regulatory_request *req) +{ + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); + struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); + struct brcmf_fil_country_le ccreq; + int i; + + brcmf_dbg(TRACE, "enter: initiator=%d, alpha=%c%c\n", req->initiator, + req->alpha2[0], req->alpha2[1]); + + /* ignore non-ISO3166 country codes */ + for (i = 0; i < sizeof(req->alpha2); i++) + if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') { + brcmf_err("not a ISO3166 code\n"); + return; + } + memset(&ccreq, 0, sizeof(ccreq)); + ccreq.rev = cpu_to_le32(-1); + memcpy(ccreq.ccode, req->alpha2, sizeof(req->alpha2)); + brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq)); +} + static void brcmf_free_wiphy(struct wiphy *wiphy) { kfree(wiphy->iface_combinations); @@ -5997,6 +6019,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, goto priv_out; brcmf_dbg(INFO, "Registering custom regulatory\n"); + wiphy->reg_notifier = brcmf_cfg80211_reg_notifier; wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h index 50891c02c4c1..619669bbdb83 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h @@ -112,6 +112,7 @@ #define BRCMF_WOWL_MAXPATTERNS 8 #define BRCMF_WOWL_MAXPATTERNSIZE 128 +#define BRCMF_COUNTRY_BUF_SZ 4 /* join preference types for join_pref iovar */ enum brcmf_join_pref_types { @@ -525,4 +526,17 @@ struct brcmf_mbss_ssid_le { unsigned char SSID[32]; }; +/** + * struct brcmf_fil_country_le - country configuration structure. + * + * @country_abbrev: null-terminated country code used in the country IE. + * @rev: revision specifier for ccode. on set, -1 indicates unspecified. + * @ccode: null-terminated built-in country code. + */ +struct brcmf_fil_country_le { + char country_abbrev[BRCMF_COUNTRY_BUF_SZ]; + __le32 rev; + char ccode[BRCMF_COUNTRY_BUF_SZ]; +}; + #endif /* FWIL_TYPES_H_ */ -- 2.20.1