mwifiex: set default regulatory domain

Driver gets region code from FW during initialisation. This patch
makes use of it for settting default regulatory domain using
regulatory_hint() API.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c
index 2fe1c33765b8..560871b0e236 100644
--- a/drivers/net/wireless/mwifiex/cfp.c
+++ b/drivers/net/wireless/mwifiex/cfp.c
@@ -71,6 +71,37 @@ u16 region_code_index[MWIFIEX_MAX_REGION_CODE] = { 0x10, 0x20, 0x30,
 
 static u8 supported_rates_n[N_SUPPORTED_RATES] = { 0x02, 0x04, 0 };
 
+struct region_code_mapping {
+        u8 code;
+        u8 region[IEEE80211_COUNTRY_STRING_LEN];
+};
+
+static struct region_code_mapping region_code_mapping_t[] = {
+        { 0x10, "US " }, /* US FCC */
+        { 0x20, "CA " }, /* IC Canada */
+        { 0x30, "EU " }, /* ETSI */
+        { 0x31, "ES " }, /* Spain */
+        { 0x32, "FR " }, /* France */
+        { 0x40, "JP " }, /* Japan */
+        { 0x41, "JP " }, /* Japan */
+        { 0x50, "CN " }, /* China */
+};
+
+/* This function converts integer code to region string */
+u8 *mwifiex_11d_code_2_region(u8 code)
+{
+        u8 i;
+        u8 size = sizeof(region_code_mapping_t)/
+                                sizeof(struct region_code_mapping);
+
+        /* Look for code in mapping table */
+        for (i = 0; i < size; i++)
+                if (region_code_mapping_t[i].code == code)
+                        return region_code_mapping_t[i].region;
+
+        return NULL;
+}
+
 /*
  * This function maps an index in supported rates table into
  * the corresponding data rate.