mwifiex: update BSS parameters in dump_station_info()

This enables user to check beacon interval, DTIM period, short slot
time and short preamble information using "iw dev mlan0 link" command
when station is in connected state.

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

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 00f1005..6fef492 100644 (file)
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -557,6 +557,23 @@ mwifiex_dump_station_info(struct mwifiex_private *priv,
        /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
        sinfo->txrate.legacy = rate.rate * 5;
 
+       if (priv->bss_mode == NL80211_IFTYPE_STATION) {
+               sinfo->filled |= STATION_INFO_BSS_PARAM;
+               sinfo->bss_param.flags = 0;
+               if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
+                                               WLAN_CAPABILITY_SHORT_PREAMBLE)
+                       sinfo->bss_param.flags |=
+                                       BSS_PARAM_FLAGS_SHORT_PREAMBLE;
+               if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
+                                               WLAN_CAPABILITY_SHORT_SLOT_TIME)
+                       sinfo->bss_param.flags |=
+                                       BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
+               sinfo->bss_param.dtim_period =
+                       priv->curr_bss_params.bss_descriptor.dtim_period;
+               sinfo->bss_param.beacon_interval =
+                       priv->curr_bss_params.bss_descriptor.beacon_period;
+       }
+
        return ret;
 }
 

diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 6712ea8..3dc0f72 100644 (file)
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -249,6 +249,7 @@ struct mwifiex_bssdescriptor {
        u32 channel;
        u32 freq;
        u16 beacon_period;
+       u8 dtim_period;
        u8 erp_flags;
        u32 bss_mode;
        u8 supported_rates[MWIFIEX_SUPPORTED_RATES];

diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 98f1ca9..1352085 100644 (file)
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1086,6 +1086,7 @@ mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
        struct ieee_types_vendor_specific *vendor_ie;
        const u8 wpa_oui[4] = { 0x00, 0x50, 0xf2, 0x01 };
        const u8 wmm_oui[4] = { 0x00, 0x50, 0xf2, 0x02 };
+       struct ieee80211_tim_ie *tim_ie;
 
        found_data_rate_ie = false;
        rate_size = 0;
@@ -1258,6 +1259,11 @@ mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
                                        sizeof(struct ieee_types_header) -
                                        bss_entry->beacon_buf);
                        break;
+               case WLAN_EID_TIM:
+                       tim_ie = (void *) (current_ptr +
+                                        sizeof(struct ieee_types_header));
+                       bss_entry->dtim_period = tim_ie->dtim_period;
+                       break;
                default:
                        break;
                }