diff options
| author | Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de> | 2011-11-18 14:20:44 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-28 14:36:21 -0500 |
| commit | b53be7920bd9bb1bb99fecc2ff537bc79d24082f (patch) | |
| tree | de46261ba26859086fed002694ee4693ad45bd40 | |
| parent | 1d9d9213d526f2f4ef9a3aa198a29a0b1a670fa1 (diff) | |
mac80211: Add NoAck per tid support
This patch contains the processing changes in mac80211.
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>
| -rw-r--r-- | net/mac80211/cfg.c | 11 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 3 | ||||
| -rw-r--r-- | net/mac80211/iface.c | 2 | ||||
| -rw-r--r-- | net/mac80211/wme.c | 7 |
4 files changed, 22 insertions, 1 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 2577c45069e..f947ac6bb67 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -102,6 +102,16 @@ static int ieee80211_change_iface(struct wiphy *wiphy, return 0; } +static int ieee80211_set_noack_map(struct wiphy *wiphy, + struct net_device *dev, + u16 noack_map) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + sdata->noack_map = noack_map; + return 0; +} + static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params) @@ -2698,4 +2708,5 @@ struct cfg80211_ops mac80211_config_ops = { .tdls_mgmt = ieee80211_tdls_mgmt, .probe_client = ieee80211_probe_client, .get_channel = ieee80211_wiphy_get_channel, + .set_noack_map = ieee80211_set_noack_map, }; diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index b1aa2e172d1..7a757a97ba3 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -611,6 +611,9 @@ struct ieee80211_sub_if_data { struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; unsigned int fragment_next; + /* TID bitmap for NoAck policy */ + u16 noack_map; + struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; struct ieee80211_key __rcu *default_unicast_key; struct ieee80211_key __rcu *default_multicast_key; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index b34ca0cbdf6..be1d61e76e9 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -866,6 +866,8 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata, sdata->control_port_protocol = cpu_to_be16(ETH_P_PAE); sdata->control_port_no_encrypt = false; + sdata->noack_map = 0; + /* only monitor differs */ sdata->dev->type = ARPHRD_ETHER; diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 74b3d100844..a98f24ac936 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -139,6 +139,7 @@ void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { struct ieee80211_hdr *hdr = (void *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); /* Fill in the QoS header if there is one. */ if (ieee80211_is_data_qos(hdr->frame_control)) { @@ -150,8 +151,12 @@ void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, /* preserve EOSP bit */ ack_policy = *p & IEEE80211_QOS_CTL_EOSP; - if (is_multicast_ether_addr(hdr->addr1)) + if (is_multicast_ether_addr(hdr->addr1) || + sdata->noack_map & BIT(tid)) { ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK; + info->flags |= IEEE80211_TX_CTL_NO_ACK; + } + /* qos header is 2 bytes */ *p++ = ack_policy | tid; *p = ieee80211_vif_is_mesh(&sdata->vif) ? |