mwifiex: handle extended supported rates IE for AP

During start_ap handler, some rates come as extended supported
rates IE - part of beacon tail IE. This patch adds support for
parsing them and adding to bss_rates TLV for bss_start command
to firmware.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c
index d95a2d558fc..8dd72240f16 100644
--- a/drivers/net/wireless/mwifiex/uap_cmd.c
+++ b/drivers/net/wireless/mwifiex/uap_cmd.c
@@ -188,10 +188,19 @@ mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
         int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
         const u8 *var_pos = params->beacon.head + var_offset;
         int len = params->beacon.head_len - var_offset;
+        u8 rate_len = 0;
 
         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
-        if (rate_ie)
+        if (rate_ie) {
                 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
+                rate_len = rate_ie->len;
+        }
+
+        rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
+                                           params->beacon.tail,
+                                           params->beacon.tail_len);
+        if (rate_ie)
+                memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 
         return;
 }