diff options
| -rw-r--r-- | net/mac80211/debugfs.c | 53 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 10 |
3 files changed, 64 insertions, 0 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index aa6f23e1a457..0d462206eef6 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -150,6 +150,58 @@ static const struct file_operations aqm_ops = { .llseek = default_llseek, }; +static ssize_t force_tx_status_read(struct file *file, + char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + char buf[3]; + int len = 0; + + len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status); + + return simple_read_from_buffer(user_buf, count, ppos, + buf, len); +} + +static ssize_t force_tx_status_write(struct file *file, + const char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + char buf[3]; + size_t len; + + if (count > sizeof(buf)) + return -EINVAL; + + if (copy_from_user(buf, user_buf, count)) + return -EFAULT; + + buf[sizeof(buf) - 1] = '\0'; + len = strlen(buf); + if (len > 0 && buf[len - 1] == '\n') + buf[len - 1] = 0; + + if (buf[0] == '0' && buf[1] == '\0') + local->force_tx_status = 0; + else if (buf[0] == '1' && buf[1] == '\0') + local->force_tx_status = 1; + else + return -EINVAL; + + return count; +} + +static const struct file_operations force_tx_status_ops = { + .write = force_tx_status_write, + .read = force_tx_status_read, + .open = simple_open, + .llseek = default_llseek, +}; + #ifdef CONFIG_PM static ssize_t reset_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -383,6 +435,7 @@ void debugfs_hw_add(struct ieee80211_local *local) DEBUGFS_ADD(hwflags); DEBUGFS_ADD(user_power); DEBUGFS_ADD(power); + DEBUGFS_ADD_MODE(force_tx_status, 0600); if (local->ops->wake_tx_queue) DEBUGFS_ADD_MODE(aqm, 0600); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 32094e2ac0cb..5a0dedd31266 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1384,6 +1384,7 @@ struct ieee80211_local { struct dentry *rcdir; struct dentry *keys; } debugfs; + bool force_tx_status; #endif /* diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 5a89733723e7..9426bcce95e7 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2471,6 +2471,11 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, if (IS_ERR(sta)) sta = NULL; +#ifdef CONFIG_MAC80211_DEBUGFS + if (local->force_tx_status) + info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; +#endif + /* convert Ethernet header to proper 802.11 header (based on * operation mode) */ ethertype = (skb->data[12] << 8) | skb->data[13]; @@ -3473,6 +3478,11 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, (tid_tx ? IEEE80211_TX_CTL_AMPDU : 0); info->control.flags = IEEE80211_TX_CTRL_FAST_XMIT; +#ifdef CONFIG_MAC80211_DEBUGFS + if (local->force_tx_status) + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; +#endif + if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; *ieee80211_get_qos_ctl(hdr) = tid; |