diff options
| -rw-r--r-- | net/mac80211/debugfs.c | 38 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 5 | ||||
| -rw-r--r-- | net/mac80211/wme.c | 2 |
4 files changed, 44 insertions, 2 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index ac793201b70..e7682fe1c59 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -135,6 +135,42 @@ static const struct file_operations reset_ops = { .open = mac80211_open_file_generic, }; +static ssize_t noack_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + int res; + char buf[10]; + + res = scnprintf(buf, sizeof(buf), "%d\n", local->wifi_wme_noack_test); + + return simple_read_from_buffer(user_buf, count, ppos, buf, res); +} + +static ssize_t noack_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + char buf[10]; + size_t len; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + + local->wifi_wme_noack_test = !!simple_strtoul(buf, NULL, 0); + + return count; +} + +static const struct file_operations noack_ops = { + .read = noack_read, + .write = noack_write, + .open = mac80211_open_file_generic +}; + /* statistics stuff */ #define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \ @@ -275,6 +311,7 @@ void debugfs_hw_add(struct ieee80211_local *local) DEBUGFS_ADD(wep_iv); DEBUGFS_ADD(tsf); DEBUGFS_ADD_MODE(reset, 0200); + DEBUGFS_ADD(noack); statsd = debugfs_create_dir("statistics", phyd); local->debugfs.statistics = statsd; @@ -330,6 +367,7 @@ void debugfs_hw_del(struct ieee80211_local *local) DEBUGFS_DEL(wep_iv); DEBUGFS_DEL(tsf); DEBUGFS_DEL(reset); + DEBUGFS_DEL(noack); DEBUGFS_STATS_DEL(transmitted_fragment_count); DEBUGFS_STATS_DEL(multicast_transmitted_frame_count); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 56a49ef446c..9d1514727f6 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -766,6 +766,7 @@ struct ieee80211_local { struct dentry *wep_iv; struct dentry *tsf; struct dentry *reset; + struct dentry *noack; struct dentry *statistics; struct local_debugfsdentries_statsdentries { struct dentry *transmitted_fragment_count; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 5f9a8d7af83..8f68bf9746d 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1087,7 +1087,10 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx, info->flags |= IEEE80211_TX_CTL_NO_ACK; } else { tx->flags |= IEEE80211_TX_UNICAST; - info->flags &= ~IEEE80211_TX_CTL_NO_ACK; + if (unlikely(local->wifi_wme_noack_test)) + info->flags |= IEEE80211_TX_CTL_NO_ACK; + else + info->flags &= ~IEEE80211_TX_CTL_NO_ACK; } if (tx->flags & IEEE80211_TX_FRAGMENTED) { diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 0b8ad1f4ecd..45b74f38b86 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -133,7 +133,7 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb) u8 *p = ieee80211_get_qos_ctl(hdr); u8 ack_policy = 0; tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; - if (local->wifi_wme_noack_test) + if (unlikely(local->wifi_wme_noack_test)) ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK << QOS_CONTROL_ACK_POLICY_SHIFT; /* qos header is 2 bytes, second reserved */ |