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authorAvinash Patil <patila@marvell.com>2013-06-10 15:40:07 -0700
committerJohn W. Linville <linville@tuxdriver.com>2013-06-17 14:38:51 -0400
commit3c68ef5b2223e084402a4fedbd4c31774f012f4f (patch)
tree5f6a2aee4425f7053baad63863a889346769c32d /drivers
parent1105a13bb8ad29cf83d46989ee462d196038be87 (diff)
mwifiex: Add module parameter for regdomain
Allow a regulatory domain country code to be specified at boot using a module argument. This overrides the firmware regulatory mode. This patch also enables uAP to operate in 11a mode with hostapd. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Paul Stewart <pstew@chromium.org> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 856aea25052b..ef5fa890a286 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -20,6 +20,9 @@
#include "cfg80211.h"
#include "main.h"
+static char *reg_alpha2;
+module_param(reg_alpha2, charp, 0);
+
static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
{
.max = 2, .types = BIT(NL80211_IFTYPE_STATION),
@@ -2485,6 +2488,17 @@ static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
};
#endif
+static bool mwifiex_is_valid_alpha2(const char *alpha2)
+{
+ if (!alpha2 || strlen(alpha2) != 2)
+ return false;
+
+ if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
+ return true;
+
+ return false;
+}
+
/*
* This function registers the device with CFG802.11 subsystem.
*
@@ -2537,6 +2551,7 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
WIPHY_FLAG_AP_UAPSD |
WIPHY_FLAG_CUSTOM_REGULATORY |
+ WIPHY_FLAG_STRICT_REGULATORY |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
@@ -2574,10 +2589,16 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
wiphy_free(wiphy);
return ret;
}
- country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
- if (country_code)
- dev_info(adapter->dev,
- "ignoring F/W country code %2.2s\n", country_code);
+
+ if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
+ wiphy_info(wiphy, "driver hint alpha2: %2.2s\n", reg_alpha2);
+ regulatory_hint(wiphy, reg_alpha2);
+ } else {
+ country_code = mwifiex_11d_code_2_region(adapter->region_code);
+ if (country_code)
+ wiphy_info(wiphy, "ignoring F/W country code %2.2s\n",
+ country_code);
+ }
adapter->wiphy = wiphy;
return ret;