ath6kl: Configure htcap in fw based on the channel type in AP mode

This patch disables HT in start_ap if the type of the channel on
which the AP mode is going to be operating is non-HT. HT is enabled
with default ht cap setting if the operating channel is going to be
11n.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index b1b1f347a118..efd707e69255 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -2882,6 +2882,43 @@ int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
         return ret;
 }
 
+int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
+                             enum ieee80211_band band,
+                             struct ath6kl_htcap *htcap)
+{
+        struct sk_buff *skb;
+        struct wmi_set_htcap_cmd *cmd;
+
+        skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
+        if (!skb)
+                return -ENOMEM;
+
+        cmd = (struct wmi_set_htcap_cmd *) skb->data;
+
+        /*
+         * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
+         * this will be changed in firmware. If at all there is any change in
+         * band value, the host needs to be fixed.
+         */
+        cmd->band = band;
+        cmd->ht_enable = !!htcap->ht_enable;
+        cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
+        cmd->ht40_supported =
+                !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
+        cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
+        cmd->intolerant_40mhz =
+                !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
+        cmd->max_ampdu_len_exp = htcap->ampdu_factor;
+
+        ath6kl_dbg(ATH6KL_DBG_WMI,
+                   "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
+                   cmd->band, cmd->ht_enable, cmd->ht40_supported,
+                   cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
+                   cmd->max_ampdu_len_exp);
+        return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
+                                   NO_SYNC_WMIFLAG);
+}
+
 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
 {
         struct sk_buff *skb;