2012-10-10 11:25:41

by Mahesh Palivela

[permalink] [raw]
Subject: [PATCH] mac80211: Rename VHT cap struct

From: Mahesh Palivela <[email protected]>

Renamed struct ieee80211_vht_capabilities to ieee80211_vht_cap
And renamed member vht_capabilities_info to vht_cap_info

Signed-off-by: Mahesh Palivela <[email protected]>
---
include/linux/ieee80211.h | 45 +++++++++++++++++++++++++++++++--------------
net/mac80211/main.c | 2 +-
net/mac80211/mlme.c | 4 ++--
net/mac80211/util.c | 4 ++--
4 files changed, 36 insertions(+), 19 deletions(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 2385119..8c803f0 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1107,20 +1107,6 @@ struct ieee80211_ht_operation {
#define WLAN_HT_SMPS_CONTROL_STATIC 1
#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3

-#define VHT_MCS_SUPPORTED_SET_SIZE 8
-
-struct ieee80211_vht_capabilities {
- __le32 vht_capabilities_info;
- u8 vht_supported_mcs_set[VHT_MCS_SUPPORTED_SET_SIZE];
-} __packed;
-
-struct ieee80211_vht_operation {
- u8 vht_op_info_chwidth;
- u8 vht_op_info_chan_center_freq_seg1_idx;
- u8 vht_op_info_chan_center_freq_seg2_idx;
- __le16 vht_basic_mcs_set;
-} __packed;
-
/**
* struct ieee80211_vht_mcs_info - VHT MCS information
* @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
@@ -1141,6 +1127,37 @@ struct ieee80211_vht_mcs_info {
__le16 tx_highest;
} __packed;

+/**
+ * struct ieee80211_vht_cap - VHT capabilities
+ *
+ * This structure is the "VHT capabilities element" as
+ * described in 802.11ac D3.0 8.4.2.160
+ * @vht_cap_info: VHT capability info
+ * @supp_mcs: VHT MCS supported rates
+ */
+struct ieee80211_vht_cap {
+ __le32 vht_cap_info;
+ struct ieee80211_vht_mcs_info supp_mcs;
+} __packed;
+
+/**
+ * struct ieee80211_vht_operation - VHT operation IE
+ *
+ * This structure is the "VHT operation element" as
+ * described in 802.11ac D3.0 8.4.2.161
+ * @chan_width: Operating channel width
+ * @center_freq_seg1_idx: center freq segment 1 index
+ * @center_freq_seg2_idx: center freq segment 2 index
+ * @basic_mcs_set: VHT Basic MCS rate set
+ */
+struct ieee80211_vht_operation {
+ u8 chan_width;
+ u8 center_freq_seg1_idx;
+ u8 center_freq_seg2_idx;
+ __le16 basic_mcs_set;
+} __packed;
+
+
#define IEEE80211_VHT_MCS_ZERO_TO_SEVEN_SUPPORT 0
#define IEEE80211_VHT_MCS_ZERO_TO_EIGHT_SUPPORT 1
#define IEEE80211_VHT_MCS_ZERO_TO_NINE_SUPPORT 2
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 473b755..620f427 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -876,7 +876,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)

if (supp_vht)
local->scan_ies_len +=
- 2 + sizeof(struct ieee80211_vht_capabilities);
+ 2 + sizeof(struct ieee80211_vht_cap);

if (!local->ops->hw_scan) {
/* For hw_scan, driver needs to set these up. */
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 8cefc18..80615c6 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -353,7 +353,7 @@ static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata,
cap = vht_cap.cap;

/* reserve and fill IE */
- pos = skb_put(skb, sizeof(struct ieee80211_vht_capabilities) + 2);
+ pos = skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
ieee80211_ie_build_vht_cap(pos, &vht_cap, cap);
}

@@ -412,7 +412,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
4 + /* power capability */
2 + 2 * sband->n_channels + /* supported channels */
2 + sizeof(struct ieee80211_ht_cap) + /* HT */
- 2 + sizeof(struct ieee80211_vht_capabilities) + /* VHT */
+ 2 + sizeof(struct ieee80211_vht_cap) + /* VHT */
assoc_data->ie_len + /* extra IEs */
9, /* WMM */
GFP_KERNEL);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 3b35356..ea94f6a 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1772,8 +1772,8 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
__le32 tmp;

*pos++ = WLAN_EID_VHT_CAPABILITY;
- *pos++ = sizeof(struct ieee80211_vht_capabilities);
- memset(pos, 0, sizeof(struct ieee80211_vht_capabilities));
+ *pos++ = sizeof(struct ieee80211_vht_cap);
+ memset(pos, 0, sizeof(struct ieee80211_vht_cap));

/* capability flags */
tmp = cpu_to_le32(cap);