mwifiex: add 802.11AC support
For STA mode, collect VHT realated IEs from the Beacons or Probe
Responses and append similar VHT related IEs to association
requests.
For AP mode, get VHT related capability information and share it
with cfg80211 at the time of wiphy register. This information is
further used by cfg80211 and hostapd to start an AP with 802.11AC
support.
Currently only 8897 supports 802.11AC.
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Frank Huang <frankh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index e275aec..db4d5ae 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1250,6 +1250,23 @@
sizeof(struct ieee_types_header) -
bss_entry->beacon_buf);
break;
+ case WLAN_EID_VHT_CAPABILITY:
+ bss_entry->disable_11ac = false;
+ bss_entry->bcn_vht_cap =
+ (void *)(current_ptr +
+ sizeof(struct ieee_types_header));
+ bss_entry->vht_cap_offset =
+ (u16)((u8 *)bss_entry->bcn_vht_cap -
+ bss_entry->beacon_buf);
+ break;
+ case WLAN_EID_VHT_OPERATION:
+ bss_entry->bcn_vht_oper =
+ (void *)(current_ptr +
+ sizeof(struct ieee_types_header));
+ bss_entry->vht_info_offset =
+ (u16)((u8 *)bss_entry->bcn_vht_oper -
+ bss_entry->beacon_buf);
+ break;
case WLAN_EID_BSS_COEX_2040:
bss_entry->bcn_bss_co_2040 = current_ptr +
sizeof(struct ieee_types_header);
@@ -1264,6 +1281,14 @@
sizeof(struct ieee_types_header) -
bss_entry->beacon_buf);
break;
+ case WLAN_EID_OPMODE_NOTIF:
+ bss_entry->oper_mode =
+ (void *)(current_ptr +
+ sizeof(struct ieee_types_header));
+ bss_entry->oper_mode_offset =
+ (u16)((u8 *)bss_entry->oper_mode -
+ bss_entry->beacon_buf);
+ break;
default:
break;
}
@@ -1494,6 +1519,17 @@
priv->curr_bss_params.bss_descriptor.ext_cap_offset = 0;
priv->curr_bss_params.bss_descriptor.beacon_buf = NULL;
priv->curr_bss_params.bss_descriptor.beacon_buf_size = 0;
+ priv->curr_bss_params.bss_descriptor.bcn_vht_cap = NULL;
+ priv->curr_bss_params.bss_descriptor.vht_cap_offset = 0;
+ priv->curr_bss_params.bss_descriptor.bcn_vht_oper = NULL;
+ priv->curr_bss_params.bss_descriptor.vht_info_offset = 0;
+ priv->curr_bss_params.bss_descriptor.oper_mode = NULL;
+ priv->curr_bss_params.bss_descriptor.oper_mode_offset = 0;
+
+ /* Disable 11ac by default. Enable it only where there
+ * exist VHT_CAP IE in AP beacon
+ */
+ priv->curr_bss_params.bss_descriptor.disable_11ac = true;
/* Make a copy of current BSSID descriptor */
memcpy(&priv->curr_bss_params.bss_descriptor, bss_desc,
@@ -2028,6 +2064,14 @@
(curr_bss->beacon_buf +
curr_bss->ht_info_offset);
+ if (curr_bss->bcn_vht_cap)
+ curr_bss->bcn_ht_cap = (void *)(curr_bss->beacon_buf +
+ curr_bss->vht_cap_offset);
+
+ if (curr_bss->bcn_vht_oper)
+ curr_bss->bcn_ht_oper = (void *)(curr_bss->beacon_buf +
+ curr_bss->vht_info_offset);
+
if (curr_bss->bcn_bss_co_2040)
curr_bss->bcn_bss_co_2040 =
(curr_bss->beacon_buf + curr_bss->bss_co_2040_offset);
@@ -2035,6 +2079,10 @@
if (curr_bss->bcn_ext_cap)
curr_bss->bcn_ext_cap = curr_bss->beacon_buf +
curr_bss->ext_cap_offset;
+
+ if (curr_bss->oper_mode)
+ curr_bss->oper_mode = (void *)(curr_bss->beacon_buf +
+ curr_bss->oper_mode_offset);
}
/*