When the driver gets beacon info containing a country IE from user-space
upon .start_ap() callback, it will enable regulatory 802.11d support.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Reviewed-by: Hante Meuleman <meuleman@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
---
drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c | 26 ++++++++++++++++++++++
drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h | 1 +
drivers/net/wireless/brcm80211/brcmfmac/fwil.h | 2 ++
3 files changed, 29 insertions(+)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
index c896fe2..1783c03 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
@@ -3966,6 +3966,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
struct brcmf_if *ifp = netdev_priv(ndev);
const struct brcmf_tlv *ssid_ie;
+ const struct brcmf_tlv *country_ie;
struct brcmf_ssid_le ssid_le;
s32 err = -EPERM;
const struct brcmf_tlv *rsn_ie;
@@ -3975,6 +3976,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
struct brcmf_fil_bss_enable_le bss_enable;
u16 chanspec;
bool mbss;
+ int is_11d;
brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
settings->chandef.chan->hw_value,
@@ -3986,6 +3988,13 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
dev_role = ifp->vif->wdev.iftype;
mbss = ifp->vif->mbss;
+ /* store current 11d setting */
+ brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d);
+ country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
+ settings->beacon.tail_len,
+ WLAN_EID_COUNTRY);
+ is_11d = country_ie ? 1 : 0;
+
memset(&ssid_le, 0, sizeof(ssid_le));
if (settings->ssid == NULL || settings->ssid_len == 0) {
ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
@@ -4051,6 +4060,14 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
goto exit;
}
+ if (is_11d != ifp->vif->is_11d) {
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
+ is_11d);
+ if (err < 0) {
+ brcmf_err("Regulatory Set Error, %d\n", err);
+ goto exit;
+ }
+ }
if (settings->beacon_interval) {
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
settings->beacon_interval);
@@ -4083,6 +4100,10 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
brcmf_err("SET INFRA error %d\n", err);
goto exit;
}
+ } else if (WARN_ON(is_11d != ifp->vif->is_11d)) {
+ /* Multiple-BSS should use same 11d configuration */
+ err = -EINVAL;
+ goto exit;
}
if (dev_role == NL80211_IFTYPE_AP) {
if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
@@ -4178,6 +4199,11 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
brcmf_err("setting INFRA mode failed %d\n", err);
if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
brcmf_fil_iovar_int_set(ifp, "mbss", 0);
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
+ ifp->vif->is_11d);
+ if (err < 0)
+ brcmf_err("restoring REGULATORY setting failed %d\n",
+ err);
/* Bring device back up so it can be used again */
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
if (err < 0)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h
index a5242af..d9e6d01 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h
@@ -200,6 +200,7 @@ struct brcmf_cfg80211_vif {
struct list_head list;
u16 mgmt_rx_reg;
bool mbss;
+ int is_11d;
};
/* association inform */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil.h
index 3ede91d..37345e7 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fwil.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil.h
@@ -43,6 +43,8 @@
#define BRCMF_C_SET_RADIO 38
#define BRCMF_C_GET_PHYTYPE 39
#define BRCMF_C_SET_KEY 45
+#define BRCMF_C_GET_REGULATORY 46
+#define BRCMF_C_SET_REGULATORY 47
#define BRCMF_C_SET_PASSIVE_SCAN 49
#define BRCMF_C_SCAN 50
#define BRCMF_C_SCAN_RESULTS 51
--
1.9.1
--
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