driver_nl80211: Added TX queue parameter configuration

diff --git a/hostapd/driver_nl80211.c b/hostapd/driver_nl80211.c
index 7d1d058..87d5837 100644 (file)
--- a/hostapd/driver_nl80211.c
+++ b/hostapd/driver_nl80211.c
@@ -920,7 +920,48 @@ static int i802_set_regulatory_domain(void *priv, unsigned int rd)
 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
                                    int cw_min, int cw_max, int burst_time)
 {
+#ifdef NL80211_ATTR_WIPHY_TXQ_PARAMS
+       struct i802_driver_data *drv = priv;
+       struct nl_msg *msg;
+       struct nlattr *txq, *params;
+
+       msg = nlmsg_alloc();
+       if (!msg)
+               return -1;
+
+       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+                   0, NL80211_CMD_SET_WIPHY, 0);
+
+       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->iface));
+
+       txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
+       if (!txq)
+               goto nla_put_failure;
+
+       /* We are only sending parameters for a single TXQ at a time */
+       params = nla_nest_start(msg, 1);
+       if (!params)
+               goto nla_put_failure;
+
+       NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, queue);
+       /* Burst time is configured in units of 0.1 msec and TXOP parameter in
+        * 32 usec, so need to convert the value here. */
+       NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
+       NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
+       NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
+       NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
+
+       nla_nest_end(msg, params);
+
+       nla_nest_end(msg, txq);
+
+       if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
+               return 0;
+ nla_put_failure:
+       return -1;
+#else /* NL80211_ATTR_WIPHY_TXQ_PARAMS */
        return -1;
+#endif /* NL80211_ATTR_WIPHY_TXQ_PARAMS */
 }