wireless: Add NoAck per tid support

This patch contains the configuration changes in nl80211/cfg80211.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a1cabde7cb5f..6026c29c338d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -204,6 +204,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
         [NL80211_ATTR_HT_CAPABILITY_MASK] = {
                 .len = NL80211_HT_CAPABILITY_LEN
         },
+        [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
 };
 
 /* policy for the key attributes */
@@ -904,6 +905,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
         if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
                 CMD(sched_scan_start, START_SCHED_SCAN);
         CMD(probe_client, PROBE_CLIENT);
+        CMD(set_noack_map, SET_NOACK_MAP);
         if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
                 i++;
                 NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS);
@@ -1759,6 +1761,23 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
         return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
 }
 
+static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
+{
+        struct cfg80211_registered_device *rdev = info->user_ptr[0];
+        struct net_device *dev = info->user_ptr[1];
+        u16 noack_map;
+
+        if (!info->attrs[NL80211_ATTR_NOACK_MAP])
+                return -EINVAL;
+
+        if (!rdev->ops->set_noack_map)
+                return -EOPNOTSUPP;
+
+        noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
+
+        return rdev->ops->set_noack_map(&rdev->wiphy, dev, noack_map);
+}
+
 struct get_key_cookie {
         struct sk_buff *msg;
         int error;
@@ -6604,6 +6623,15 @@ static struct genl_ops nl80211_ops[] = {
                 .internal_flags = NL80211_FLAG_NEED_WIPHY |
                                   NL80211_FLAG_NEED_RTNL,
         },
+        {
+                .cmd = NL80211_CMD_SET_NOACK_MAP,
+                .doit = nl80211_set_noack_map,
+                .policy = nl80211_policy,
+                .flags = GENL_ADMIN_PERM,
+                .internal_flags = NL80211_FLAG_NEED_NETDEV |
+                                  NL80211_FLAG_NEED_RTNL,
+        },
+
 };
 
 static struct genl_multicast_group nl80211_mlme_mcgrp = {