From: Prameela Rani Garnepudi <prameela.j0...@gmail.com>
Auto rate frame is sent to firmware when a new station is
connected. Station id and station's ht capabilities are updated
in auto rate command frame.
Signed-off-by: Prameela Rani Garnepudi <prameela.j0...@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.kar...@redpinesignals.com>
---
drivers/net/wireless/rsi/rsi_91x_mgmt.c | 44 +++++++++++++++++++++++++--------
1 file changed, 34 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c
b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
index c5d48cd..8762d13 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
@@ -1152,8 +1152,11 @@ static bool rsi_map_rates(u16 rate, int *offset)
*
* Return: 0 on success, corresponding error code on failure.
*/
-static int rsi_send_auto_rate_request(struct rsi_common *common)
+static int rsi_send_auto_rate_request(struct rsi_common *common,
+ struct ieee80211_sta *sta,
+ u16 sta_id)
{
+ struct ieee80211_vif *vif = common->priv->vifs[0];
struct sk_buff *skb;
struct rsi_auto_rate *auto_rate;
int ii = 0, jj = 0, kk = 0;
@@ -1161,11 +1164,14 @@ static int rsi_send_auto_rate_request(struct rsi_common
*common)
u8 band = hw->conf.chandef.chan->band;
u8 num_supported_rates = 0;
u8 rate_table_offset, rate_offset = 0;
- u32 rate_bitmap = common->bitrate_mask[band];
-
+ u32 rate_bitmap;
u16 *selected_rates, min_rate;
+ bool is_ht = false, is_sgi = false;
u16 frame_len = sizeof(struct rsi_auto_rate);
+ rsi_dbg(MGMT_TX_ZONE,
+ "%s: Sending auto rate request frame\n", __func__);
+
skb = dev_alloc_skb(frame_len);
if (!skb) {
rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
@@ -1193,12 +1199,31 @@ static int rsi_send_auto_rate_request(struct rsi_common
*common)
if (common->channel_width == BW_40MHZ)
auto_rate->desc.desc_dword3.qid_tid = BW_40MHZ;
+ auto_rate->desc.desc_dword3.sta_id = sta_id;
+
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ rate_bitmap = common->bitrate_mask[band];
+ is_ht = common->vif_info[0].is_ht;
+ is_sgi = common->vif_info[0].sgi;
+ } else {
+ rate_bitmap = sta->supp_rates[band];
+ is_ht = sta->ht_cap.ht_supported;
+ if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ||
+ (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40))
+ is_sgi = true;
+ }
if (band == NL80211_BAND_2GHZ) {
- min_rate = RSI_RATE_1;
+ if ((rate_bitmap == 0) && (is_ht))
+ min_rate = RSI_RATE_MCS0;
+ else
+ min_rate = RSI_RATE_1;
rate_table_offset = 0;
} else {
- min_rate = RSI_RATE_6;
+ if ((rate_bitmap == 0) && (is_ht))
+ min_rate = RSI_RATE_MCS0;
+ else
+ min_rate = RSI_RATE_6;
rate_table_offset = 4;
}
@@ -1212,7 +1237,7 @@ static int rsi_send_auto_rate_request(struct rsi_common
*common)
}
num_supported_rates = jj;
- if (common->vif_info[0].is_ht) {
+ if (is_ht) {
for (ii = 0; ii < ARRAY_SIZE(mcs); ii++)
selected_rates[jj++] = mcs[ii];
num_supported_rates += ARRAY_SIZE(mcs);
@@ -1233,11 +1258,10 @@ static int rsi_send_auto_rate_request(struct rsi_common
*common)
}
/* loading HT rates in the bottom half of the auto rate table */
- if (common->vif_info[0].is_ht) {
+ if (is_ht) {
for (ii = rate_offset, kk = ARRAY_SIZE(rsi_mcsrates) - 1;
ii < rate_offset + 2 * ARRAY_SIZE(rsi_mcsrates); ii++) {
- if (common->vif_info[0].sgi ||
- conf_is_ht40(&common->priv->hw->conf))
+ if (is_sgi || conf_is_ht40(&common->priv->hw->conf))
auto_rate->supported_rates[ii++] =
cpu_to_le16(rsi_mcsrates[kk] | BIT(9));
else
@@ -1300,7 +1324,7 @@ void rsi_inform_bss_status(struct rsi_common *common,
qos_enable,
aid, sta_id);
if (common->min_rate == 0xffff)
- rsi_send_auto_rate_request(common);
+ rsi_send_auto_rate_request(common, sta, sta_id);
if (opmode == STA_OPMODE) {
if (!rsi_send_block_unblock_frame(common, false))
common->hw_data_qs_blocked = false;
--
2.7.4
